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TESTB070 Release 2023-10-21
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 c5 2.e4 cb4

  • 3.Bb2 e5

  • 3.c4 bc3

  • 3.c4 Nc6

  • 3.c4 e5-/+

  • 3.Bc4 e6

  • 3.Nf3 d5

  • 3.Nf3 d6

  • 3.Nf3 Nf6

    (...)

    3.a3 b5 4.ab4+= Bb7 5.Bb5 Be4 6.Nf3 e6 7.Nc3 Bb7 8.0-0 Nf6 9.Rb1 Be7 10.d4 Qc7 11.Bd2 0-0 12.Bd3 Nc6 13.Ne2 Bd6 14.Ng3 Ng4 15.c3 f5+= 16.Qc2 Ne7 17.c4 Ng6 18.d5 ed5 19.c5 Bg3 20.hg3 N6e5 21.Bf4 d6 22.Bf5+/- Nf3 23.gf3 Ne5 24.Bh7 Kh8 25.Kg2 d4 26.Be4 d3?? 27.Rh1 Kg8 28.Qb3 Rf7 29.cd6 Qb6 30.Be5 Be4 31.Rh8! (31.Rh8 Kh8 32.Qf7 Qf2 33.Kf2 Rg8 34.fe4 Rd8 35.Qg7) 1–0. Capablanca,Jose – Schrader,Edward F, St Louis sim, 1912.

    3.Bb2 a6 4.a3 ba3 5.Na3 e6 6.Nf3 d6 7.d4 d5 8.Bd3 de4 9.Be4 Nf6 10.Bd3 Nbd7 11.0-0 Be7 12.Re1 0-0 13.c4 b6 14.Ne5 Bb7 15.Re3 g6 16.Rh3 Ne5 17.de5 Ne4 18.Qe2 Nc5 19.Bc2 Qc7 20.Nb1 f5 21.ef6 Bf6 22.Bf6 Rf6 23.Nd2 Raf8 24.Rf1 e5 25.Ne4 Ne4 26.Be4 Be4 27.Qe4 Rf4 28.Qd5 Kg7 29.Ra3 Rd4 (worse is 29...Rc4 30.Ra6 Rd8 31.Qe6-/+; 29...Qc4?! 30.Qe5 Kg8 31.f3-/+) 30.Qe6 Rf6 (30...Qc4?! 31.Qe5 Kg8 32.Ra6=; 30...Rc4?! 31.Ra6 Rf2 32.Rd1-+ (worse is 32.Kf2 Rf4 33.Ke3 Qc3 34.Ke2 Re4 35.Kd1 Rd4 36.Ke2 Rd2 37.Ke1 Qe3)) 31.Qh3 Rc4 32.Ra6 Rf2! 33.Kf2 (33.Rf2 Rc1 Mate attack; 33.Kf2) 33...Qc5 34.Qe3 (34.Ke2 Re4 35.Kd2 Qb4 36.Qc3 Rd4 37.Kc2 Rc4 38.Ra7 Kh6-+) 34...Rc2 35.Kf3 Qc6 (35...Qc6 36.Qe4 Rc3 37.Ke2 Qe4 38.Kd2 Qe3 39.Kd1 Rc1) 0–1. Bender,Klaus – Betker,Joerg, Germany ch–23 prel–3, 1991. (=1.e4 c5 2.b4 cb4+=)

    3.Bb5 a6 4.Ba4 b5 5.Bb3 Bb7 6.f3 e6 7.d4 d5 8.Nd2 (better is 8.e5!?-/+) 8...de4-+ 9.fe4 (9.Ne4 Be4 10.fe4 Qh4 11.Kf1 Qe4-+) 9...Qd4 10.Bb2?? (10.Rb1-+) 10...Qb2 11.Rb1 Qd4 (11...Qc3 12.Ne2 Qe3 13.Rf1-+) 12.Ngf3 Qe3 13.Qe2 Qe2 14.Ke2 Bc5 15.Rbd1 (15.Rbc1 Nf6 16.e5 Ng4-+) 15...Nf6 16.e5 Ng4 17.Rhe1 a5 (better is 17...Ne3 18.Rb1 Ng2 19.Rec1-+) 18.g3 (18.Ng5 Nf2 19.Rf1 Nd1 20.Kd1 a4 21.Nf7 ab3 22.Nb3 0-0 23.Nc5 Bd5-+) 18...a4 19.Be6 fe6 20.Ng5 Bd5 21.Nde4 Be7 22.Nd6 Bd6 23.ed6 h6 24.h3 (24.Rd5 ed5 25.Kf3 Kd7-+) 24...hg5 25.hg4 Ba2 0–1. May,R – Rihm,Frank, GER theme, 1994. (=1.e4 c5 2.b4 cb4+=)

    3.c3 a5 4.cb4 ab4 5.Bb2 (5.Qb3 e6=+) 5...d6 (5...d5 6.e5=+) 6.Bc4 e6 7.Qb3 (7.Qf3 Nc6=+) 7...Nf6 8.Bb5 Nc6 9.Qb4 Bd7 10.Qc4 Rc8 11.Nc3 Be7 12.Qa4 0-0 13.Nge2 (13.Nf3 Ra8 14.Qc4 d5 15.ed5 Nb4=) 13...e5 (13...Ne5 14.0-0=+) 14.0-0 Ra8 15.Qc2 (better 15.Qc4!?=+) 15...Nd4-/+ 16.Qd3 Qb6?? (better 16...Nb5 17.Nb5 Ne4 18.Qe4 Bb5-+) 17.Rab1?? (better 17.Nd4 ed4 18.Bd7 dc3 19.Qc3+/-) 17…Bb5-+ (17...Bb5 18.Nb5 Qb5 (18...Nb5?! 19.Bc3-/+) 19.Qb5 Nb5-+) 0-1. jaddwarrior - shm19cs, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.c3)

    3.c3 bc3 (= 3.c4 bc3).

    3.c3 e5 4.Nf3 Nc6 5.d4 bc3 6.Nc3 ed4 7.Nd4 Bc5 8.Be3 Nd4 9.Bd4 Bd4 10.Qd4 Qf6 11.e5 Qd8 12.Bb5 (12.Nb5 Ne7 13.Nd6 Kf8 14.Qc4 Qa5 15.Kd1 Qd5 16.Qd5 Nd5 17.Bc4+-) 12...a6 13.Bc4 Ne7 14.Rd1 0-0 15.e6 fe6 16.Be6 Kh8 17.h4?? (better is 17.Bd7 Qc7 18.Ba4+=) 17…Nc6-+ (17...Nc6 18.Qd6 de6 19.Qd8 Rd8 20.Rd8 Nd8-+) 0–1. Grebely,Jozsef – Konnyu,Janos (2070), Miskolc U14, 1999. (=1.e4 c5 2.b4 cb4 3.c3 e5)

    3.c3 g6 4.Nf3 Bg7 5.Bc4 Nf6 6.Qb3 0-0 7.Ng5 e6 8.Qb4 Nc6 9.Qb3 Na5 10.Qa4 Nc4 11.Qc4 d5 12.Qa4 Bd7 13.Qc2 Bc6 14.e5 Nd7 15.d4 Rc8 16.0-0 Nb6 17.Qd3 Qd7 18.Qh3 h5 19.g4 Rfe8 20.gh5 gh5 21.Qh5 f6?? (better is 21...Nc4+/-) 22.Qh7+- Kf8 23.Ba3 Re7 24.Be7 (better is 24.ef6 Ke8 25.fe7 Qe7 26.Qg6 Kd7 27.Be7+-) 24...Qe7 25.Nf3 Ke8 26.Kh1+- Bf8 27.Qh4 Kd7? 28.Rg1 f5 29.Qh5 Kc7 30.Nbd2 Kb8 31.Nb3 Bb5 32.Rg3 Rc3 33.Rag1 Rc8 34.Ng5 Na4 35.Nf7?? Be8-+ 36.Qd1 Bf7 37.Na5 Nb6 38.Rb3 Be8 39.Qd2 Qh7 40.Qd3 Ba4 41.Rb2 Qh4 42.Rgb1 Qg5 43.Rb6 Rc1 44.Rc1 Qc1 45.Kg2 ab6 46.Nb3 Qf4 47.Qc3 Bc6 48.Qh3 Qg5 49.Kf1 Bb5 50.Ke1 Bh6 51.Qc3 Qg1 0–1. Kalliwoda,Theresa – Grewenig,Jan, GER–ch U10 Willingen, 2005. (=1.e4 c5 2.b4 cb4 3.c3 g6)

    3.c4 e6 4.d4 d5 5.Nd2 Nc6 6.Ngf3 Nf6 7.Bd3 dc4 8.Nc4 1–0. Barry – Kershaw,Merv, corr, 1977. (=1.e4 c5 2.b4 cb4 3.c4 e6)

    3.Bc4 e5 4.a3 Nf6 5.Qf3 (5.Qe2 Nc6 6.Nf3 Be7=+) 5...Be7 6.Bb2 (6.ab4 Nc6 7.Nc3 Nb4-/+) 6...Nc6 7.ab4 Nb4 8.Bb3 (8.Na3 d6 9.Qe2 Qb6-/+) 8...0-0 (8...d6 9.Nc3-/+) 9.Be5-/+ d6 (9...d5 10.Nc3 Ng4 11.Bg3 de4 12.Ne4=+) 10.Bc3 Nc6 (10...Bg4 11.Qf4 a5 12.Nf3=+) 11.Ne2=+ Bg4 12.Qd3 Ne5 13.Be5 (13.Qe3 Bd7 14.h3 Qc7=) 13...de5-/+ 14.Qd8 Rfd8 15.h3 (15.Nbc3!?-/+) 15...Be2-+ 16.Ke2 Ne4 17.g4 (17.Rd1 a5-/+) 17...Bh4 (17...a5 18.d3 Nc5 19.Nc3-+) 18.Rf1 (18.d3 Nc5 19.Nc3 a6-/+) 18...b5 (18...a6!? 19.Ra4 Nc5 20.Rb4-+) 19.d3-/+ Ng5 20.Nc3 a6 21.Rad1? (21.f4!? ef4 22.Rf4-/+) 21...Nh3 (21...Rac8 22.Nd5 Ne6 23.Ke3-+) 22.f3 (better 22.Rh1 Nf4 23.Kf3-+) 22...Nf4 23.Kd2 Bg5 (better 23...Rac8-+) 24.Kc1? (24.Ne4 Be7 25.Ke3-+) 24...Nd5 25.Kb2 Ne3 26.Ne4 Be7 (better 26...Bf4 27.Rh1 Nd1 28.Rd1-+) 27.c4 (27.Ra1 Nf1 28.Rf1 Ra7-+) 27...bc4 (better 27...Nf1!? 28.Rf1 Rd3 29.c5-+) 28.Bc4 a5 29.g5 (29.Rc1 Rab8 30.Kc3 Bb4 31.Kb3 Bd2 32.Ka2 Bc1 33.Rc1 Rb4-+) 29...Nf1 (29...Rab8!? 30.Kc3-+) 30.Rf1 g6 (better 30...Rab8 31.Kc3-+) 31.Nf6 (31.f4 ef4 32.Rf4 Rab8 33.Ka2-+) 31...Bf6 32.gf6 Rd6 33.f4 (33.Re1 Re8-+) 33…Rf6 0-1. Gazpacho – Mrfrankthetank, ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.Bc4)

    3.d4 (--> 2.d4 cb4 3.e4).

    3.Be2 e5 4.Nf3 Nf6 (4...Nc6 5.Bb2=+) 5.0-0 (5.Ne5 Ne4 6.0-0 Nc6=+) 5...Nc6-/+ 6.a3 (6.Bb2 d6-/+) 6...Ne4 7.Bb2 ba3 8.Na3 (8.Be5 Ne5 9.Ne5 Be7-/+) 8...Bc5 9.d3? (better 9.Bb5!?-/+) 9...Nf2-+ 10.Rf2 Bf2 11.Kf2 Qb6 12.Kf1? (better 12.d4 Qb2 13.Nb5-+) 12...Qb2 13.Nc4 Qb4 14.Qc1 (14.Nfe5 Ne5 15.Ne5 Qf4 16.Nf3 0-0-+) 14...0-0 (14...Qe7 15.c3-+) 15.c3 (15.Nce5 Ne5 16.Ne5 Re8-+) 15...Qe7 16.Qe3 b5 17.Nce5 Re8 18.d4 (18.Qe4 Bb7 19.d4 Ne5 20.Qe5 a6-+) 18...f6 19.Bb5 fe5 (19...Ne5?! 20.de5 Rb8 21.Bd3-+) 20.Bc4 (20.Bc6 dc6 21.Ne5 c5-+) 20...Kh8 21.Qd3 (21.d5 e4 22.dc6 ef3 23.Qe7 Re7 24.cd7 fg2 25.Kg2 Bb7 26.Kg3 Rd7 27.Bf1-+) 21…e4 (21...e4 22.Qd2 ef3 23.gf3 Qf6-+) 0–1. shm19cs (1680) – juliangon (2705), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4)

    3.Nf3 Qa5 4.c4 e5 5.Bb2 Nc6 6.d4 ed4 7.Nbd2 Bc5 8.Nb3 Increasing the pressure on the isolated pawn on d4 8...Qb6 9.Nc5 (worse 9.Nbd4 Nf6-/+) 9...Qc5 10.Nd4 Nd4 (10...Nge7 11.Nc6 Qc6 12.Qd4=) 11.Bd4+= Qg5 12.a3 ba3 13.Ra3 Ne7 (13...Nf6!?+=) 14.Rg3+/- (14.Ra7? Ra7 15.Ba7 Qa5 16.Qd2 Qa7-+; 14.Ba7?! b6 15.Qa1 Bb7=) 14...Qa5 15.Bc3 Qb6 16.Be2 f6 (better 16...Rg8!?+/-) 17.Rg7+- Ng6 18.Qc1 1-0. Bazza3 (2160) - JustifiedByFaith (1725), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3)

    3.Nf3 e5 4.Ne5 Nc6 5.Nf3 d5 6.e5 Bg4 7.d4 Bf3 8.gf3 Nge7 9.Be3 Nf5 10.Bh3?? (10.Qd3 g6 11.c3=+) 10...g6 (better 10...Ne3 11.fe3 Qh4 12.Kd2 Qh3-+) 11.Bf5= gf5 12.Qd3 Qd7 13.Nd2 Rg8 14.Nb3 b6 15.c4? (better 15.Kd2!?=) 15...bc3-/+ 16.a3 Rc8 17.Rd1? (better 17.Qc2-/+) 17...Ba3-+ 18.Ke2 (18.Na1 Nb4 19.Qb1-+) 18…Nb4 0-1. agnivo (2445) - Zeppski88 (2455), Rated Blitz game, lichess.org, 2021. (=1.e4 c5 2.b4 cb4 3.Nf3)

    3.Nf3 f6 4.Bb2 e5 5.d4+/- Nc6 6.d5 (6.Nbd2 d6+/-) 6...Nce7 (6...Na5 7.Ne5 Nh6 8.Nc4+=) 7.Nbd2 d6 8.Nb3 (8.Bd3 Ng6+=) 8...Nh6 (8...f5 9.Ng5 Nf6 10.Bb5 Bd7 11.Bd7 Qd7 12.f3=) 9.Bd3 (9.Qd2 f5 10.Bb5 Bd7 11.Qb4 a5=) 9...Ng6 10.Qd2 Bg4 1-0. TommyBoyTDB - sinjoor1, ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3)

    3.Nf3 g6 4.Bb2 Nf6 5.e5 Nd5 6.e6 Nf6 7.ef7 Kf7 8.Ne5 Ke8 (8...Kg7 9.Bc4=+) 9.Bc4= d5 10.Bb3 Bg7 11.Qf3 (11.c3 Qd6 12.cb4 Qb4=+) 11...Nc6 12.0-0 Rf8 13.a3? (better 13.Ba4 Bd7 14.Nd7 Qd7 15.Qb3-/+) 13...Ne4 14.Nc6 bc6 (14...Rf3?! 15.Nd8 Bb2 16.gf3 Ba1 17.fe4 Kd8 18.Bd5=+) 15.Bg7 Rf3 16.gf3 Ng5 17.f4 Nh3 18.Kh1 Nf4 19.Be5 Bh3 20.Rg1 Bg2! 21.Rg2 Ng2 22.Kg2 Qd7 23.Bg3 (23.ab4 Qg4 24.Kf1 Qb4-+) 23...Qf5 (23...ba3 24.Ra3 Qf5 25.d3-+) 24.ab4 Qe4 25.Kg1 Qe1 (25...Qb4!? 26.Ra4 Qb6 27.Be5-+) 26.Kg2-/+ a6 27.b5 cb5 28.Bd5 Rc8 (28...Rd8 29.Bc6 Kf7 30.c3-+) 29.Be6?? (better 29.c3 Rd8 30.Bc6 Kf7 31.Bf4-/+) 29…Qe6-+ 0-1. Blitzstream_twitch (2450) - Dominated (2515), Rated Bullet game, lichess.org, 2014. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Nf3)

    3.h3 Nc6 4.d4 d5 5.ed5 Qd5 6.Nf3 e5 7.Ne5 (better 7.de5!? Qd1 8.Kd1=+) 7...Nd4-+ 8.Nd3 Qc6 9.Kd2 Bf5 10.Bb2 Rd8 11.c3? (11.a3-+) 11...Ne6 12.Qf3 (12.g4 Bg6 (worse 12...Qh1 13.gf5 Nf4 14.cb4-+) 13.Rg1 Nc5-+) 12...Be4 13.Qe3 Bc5 14.Qg3 Bd6 15.Kc2 (15.Qg4 Be5 16.Ke1 Bd3 17.Bd3 bc3 18.Bc1 Rd3 19.Qe2-+) 15...Bg3 16.fg3 Qb5 17.Be2 Rd3 18.Bd3 Qd3 19.Kb3 Nd4 20.Kb4 Qb5 21.Ka3 Nc2 0-1. 13_1971 – juliangon, ChessWorld.net, 2022. (=1.e4 c5 2.b4 cb4)

    3.a3 Qb6

    4.ab4 Qb4 5.Nc3 Nc6 6.Ba3 Qb6 7.Nf3 e6 8.Bf8 Kf8 9.d4 Nf6 10.Bc4?? (better is 10.e5 Nd5 11.Nb5+=) 10...Qb4-+ 11.0-0?? (better is 11.Qd2 Qc4 12.Ra4-/+) 11...Qc3 12.Ra4 Ne4 13.h3 (13.d5 Ne7 14.d6 Nf5 15.Be6 Nfd6-+ (worse is 15...Ned6 16.Bf5 Nf5 17.Rf4-+)) 13...d5 14.Bb3 (14.Bd3 Nb4-+) 14...Bd7 (14...b5 15.Ra1-+) 15.Ra1 (15.Re1 Na5 16.Re3 Qc7-+) 15...Ke7 (15...g6 16.Ba4-+) 16.Ba4 (16.Re1 b5-+) 16...f6 (16...a6 17.Bc6 Bc6 18.Re1-+) 17.Re1 Rhd8 (17...Kf7 18.Qb1 Nd6 19.Re3-+) 18.Re3 Qc4 19.Bb3 Qb5 (19...Qb4 20.c4 dc4 21.Bc4 Qc4 22.Re4-+) 20.Ba4 (20.Qc1 Rac8-+) 20...Qb6 21.Rb1 Qc7 22.Qc1 (22.c4 Kf8-+) 22...a6 (22...Na5 23.Bd7 Rd7 24.Qe1-+) 23.Qa3 (23.c4 Na5 24.Bd7 Kd7-+) 23...Kf7 24.Bb3 (24.c4 b5 25.cd5 ed5-+) 24...b5 25.Kh1 (25.c4 bc4 26.Bc4 Nd4 27.Nd4 Qc4-+) 25...Nf2 26.Kg1 Qg3 (26...Ne4 27.c4 bc4 28.Bc2-+) 27.h4?? (better is 27.Ne5! fe5 28.Rg3-/+) 27...Nh3 (27...Kg8 28.Qc1 Ng4 29.Qe1-+) 28.Kh1 Qf4 29.Rd3 (29.Bd5 ed5 30.Rf1-+) 29...Nf2 30.Kg1 Nd3 31.cd3 Nd4 32.Nd4 Qd4 (32...Qd4 33.Kh2 Qh4 34.Kg1 Qd4 35.Kh1 b4-+) 0–1. Todev,Simeon – Kosturkov,Krasimir (1765), Sofia BUL, 2014.

    4.ab4= Qb4 5.Nc3 g6 6.Ra4 Qb6 7.Nd5 Qc6?? 8.Rc4 Qe6 9.Nc7 (9.Nc7 Kd8 10.Ne6 fe6 11.d4+-; 9.Rc8) 1–0. Ruhmke,Stephan (2235) – Neumann,Frank (1650), RSL – Einzelliga–Qualif., 2008.

    4.d4 Nf6 5.e5 Nd5 6.Nf3 Nc3 7.Nc3+= bc3 8.Bc4 (8.Qd3 Qc7+=) 8...e6= 9.0-0 (9.Qd3 Qa5=) 9...Nc6 (9...Qa5 10.Qe1=) 10.d5+= Na5 (10...Ne7 11.d6 Nc6 12.Re1+=) 11.Ba2 Bc5 (11...d6 12.Qd3+=) 12.Ng5 h6 (12...Qc7 13.Ne4 0-0 14.Qd3+- (worse 14.Nc5 Qc5 15.Qg4 f5+-)) 13.Ne4+- Bd4?? (better 13...Qc7+-) 14.Rb1+- Qb1 15.Bb1 Be5 16.Ba2 b6 (16...0-0 17.Qd3+-) 17.f4 Bb8 18.Rf3 Bb7 (18...0-0 19.Rg3 (worse 19.Nc3 Nb7+-) 19...f5 20.Qd4+-) 19.Qd4 0-0 (19...Rg8+-) 20.Rg3 e5 21.Nf6 (better 21.fe5 Kh8 22.Bh6 f6 23.Bg7 Kg8 24.Bf6 Kf7 25.Qb4 d6 26.Qd6 Bd6 27.Nd6) 21...Kh8 22.fe5 gf6 (22...Bd6 23.Bh6 gh6 24.Qd3 Bc5 25.Kh1 Bd5 26.Qh7) 23.Qg4 (23.Qg4 fe5 24.Qg7; 23.Qf4 fe5 24.Qh6) 1–0. Leonco – Amur, internet corr, 2018.

    4.d4 Nf6 5.e5 Nd5 6.Nf3 d6!?=+.

    4.d4 Nf6 5.e5 Nd5 6.Nf3 h6 7.ab4+= Qb4 (7...Nb4 8.c3 Nd5 9.c4+=) 8.Bd2+- Qb6 (8...Qb2!? 9.Ra4 Na6+-) 9.c4+- Nb4?? (better 9...Nc7 10.Ba5 Qa6+-) 10.c5 Qg6 (10...Qd8 11.Bb4 e6 12.Bc3+-) 11.Bb4 Nc6 (11...e6 12.Nc3+-) 12.Bc3 d6 (12...d5 13.ed6! ed6 14.Bb5 Qe4 15.Kf1+-) 13.Bb5 Bd7 (13...d5 14.0-0+-) 14.0-0 Bh3 (14...d5 15.Bd3 Qh5 16.Qb3+-) 15.Nh4 Qg5 (15...Qg4 16.d5 Qd1 17.Rd1+-) 16.d5 a6 (16...Bd7 17.Nf3 Qf5 18.dc6 bc6+-) 17.dc6 ab5 18.Ra8 Bc8 19.Rc8 1–0. Barcarola (1700) – gihk9, internet free game, 2018. (=1.b4 c5 2.e4 cb4 3.a3 Qb6)

    3.a3 g6

    4.Bb2 Nf6 5.ab4 d6 (5...Qb6 6.Bf6 Qf6 7.c3=) 6.c4 (6.Bb5 Nc6+=) 6...Bg7= 7.Qf3 (7.Nf3 0-0=) 7...0-0 (7...Nc6 8.b5 Ne5 9.Qe2=) 8.d4 Qc7 (8...e5 9.de5 de5 10.Nd2= (worse 10.Be5 Bg4 11.Qb3 Re8 12.Bf6 Qf6-/+)) 9.Bd3 b6 (9...e5 10.Nc3=) 10.h3 (10.e5 Bb7 11.d5 de5=+) 10...Bb7 11.Nd2 (11.Ra4 a5=) 11...Nbd7 (11...Nc6 12.b5 Nb4 13.Bb1=) 12.Qe2 (12.b5 e5 13.Ne2 ed4 14.Bd4 Nc5 15.Bf6 Bf6 16.Qf6 Nd3 17.Kf1 Ne5=) 12...a5= 13.ba5 ba5 14.Ngf3 Rfb8 15.0-0 Nh5 (15...e5 16.Rfb1=) 16.Qe3+= a4 17.Bc3 (17.Rfb1 e5+=) 17...a3 (17...e5 18.Ra3=) 18.g4 (18.Ra2 d5 19.ed5 Nf4+=) 18...Nhf6= 19.e5 (19.g5 Nh5=) 19...Ne8 (19...de5 20.de5 Nd5 21.cd5 Qc3 22.Rfc1-/+) 20.Ne4 (20.e6 Nf8 21.ef7 Kf7 22.Ra2+-) 20...de5-/+ 21.d5 f6 (21...Nb6 22.Rfd1-/+) 22.Bb4 (22.Rfc1 Bf8=+) 22...Bd5 (22...f5 23.Neg5 Bd5 24.cd5 Rb4 25.gf5 e4 26.Be4 Qc3=+) 23.Be7 (23.Ba3 Bf7 (worse 23...Bc4 24.Rfc1 Nb6 25.Nfd2+=) 24.Be7 Nb6-/+ (24...Bc4 25.Ra8 Ra8 26.Rc1+-)) 23...Bf7 (better 23...Nb6 24.Ba3 Nc4-+) 24.h4? White intends g5 (better 24.Ra3 Nb6 25.Ra8 Ra8 26.Rc1-/+) 24...a2 (24...f5 25.gf5 gf5 26.Ba3 fe4 27.Be4-+) 25.g5?! (25.c5-+) 25...f5 (25...Bc4 26.Rfc1 Ra4 27.gf6+-) 26.Nf6 (26.Rfc1 fe4 27.Be4 Ra4-+) 26...Nef6 (26...Bf6!? 27.Bf6 e4 28.Bc3 ed3 29.Qd4-+) 27.gf6 Nf6 28.Bf6 (28.Qe5 Nd5 29.Qc7 Nc7 30.Bd6 Ba1 31.Ra1-+) 28...Bf6 29.Be2 e4 30.Nd4 Qe5 (better 30...Qc5 31.Nb5 Qb4 32.Qc1-+) 31.Nc6 (31.Rfd1 Rd8 32.Nc2 Rd1 33.Rd1 Qb2-+) 31...Qa1 32.Ra1 Rb1 33.Kg2 Ra1 34.Qb3 (34.Nb4 Rg1! 35.Kg1 a1Q 36.Kg2-+) 34...Rb1 35.Qg3 a1Q 36.h5 Rg1 (36...Rg1 37.Kh3 Rg3 38.Kg3 Qg1 39.Kh3 Qh1 40.Kg3 Ra3 41.f3 Bh4 42.Kf4 Qh2) 0–1. Hilbert,Stephan J – Ramos,Francis, FICGS, 2015. (=1.e4 c5 2.b4 cb4 3.a3 g6)

    4.ab4 Bg7 5.c3 Nf6 6.e5 Nd5 7.d4 0-0 8.Bc4 e6 (8...Nb6 9.Bb3=) 9.Bd5 (9.b5 Nb6 10.Bd3 d5+=) 9...ed5= 10.Qb3 (10.Bf4 d6 11.ed6 Re8 12.Ne2 Bg4=) 10...d6=+ 11.Nf3 (11.Qd5 de5 12.Qd8 Rd8 13.de5 Be5=+) 11...de5 12.Ne5 Be6 (12...f6 13.Nd3 Re8 14.Be3=) 13.0-0= Nd7 14.f4 (14.Nd7 Qd7 15.Bf4 Rfe8=) 14...a6 (14...Ne5 15.fe5 Qb6 16.Bf4=) 15.Nd2= Ne5 (15...Qc7 16.Ra5=) 16.fe5 (worse 16.de5 Qc7=+) 16...Rc8 (16...f6 17.ef6 Rf6 18.Nf3=) 17.Nf3 (17.b5 ab5 18.Ba3 Re8=) 17...Qc7 18.Bb2 (18.Bd2 f6=) 18...f6 19.ef6 (19.Rfe1 Qb6=) 19...Rf6 20.Ng5 (20.Rae1 Rcf8=) 20...Qd7 (20...Qd6 21.Ne6 Qe6 22.Rfe1=) 21.Rae1 (21.Ne6 Qe6 22.Rfe1 Qc6=) 21...Rcf8 (21...Rf1 22.Rf1 Bf5 23.Re1=+) 22.Rf3 (22.Rf6 Rf6 23.Nf3 Qd6=) 22...h6 (22...Bg4 23.Rf6 Bf6 24.Nf3-/+) 23.Ne6= Re6 24.Rfe3?? (better 24.Rf8!? Bf8 25.Qd1=) 24...Re3 (better 24...Qf7 25.Qc2 Re3-+) 25.Re3-/+ Kh7 (better 25...Qf5!? 26.Rf3 Qb1 27.Kf2 Re8-/+) 26.Qd1= h5 (26...Bf6 27.Rf3=) 27.Qe1 (27.Bc1 Qc7=) 27...Rf7 28.Bc1 Bh6 (28...Qg4 29.h3 Qd7 30.Re8=) 29.Re5 Bg7 (29...Bf8 30.Bg5=) 30.Re6 Bh6 (30...Qb5 31.Bg5=) 31.Bh6+- Kh6 32.Re8 (32.Qe5 Qd8+-) 32...Qc7 33.Qe3 Kh7 (33...Kg7 34.h3+=) 34.Qe5 (34.h3 Kg7+=) 34...Qe5 35.Re5 (35.de5 Rc7=) 35...Rd7 (35...Rc7 36.Rd5 Rc3 37.Rd7 Kh6 38.Rb7+=) 36.Kf2+= Kg7 37.Ke3 Kf6 (37...Kf7 38.Kd3+=) 38.h4 (38.Kd3 Rd6+=) 38...b5 (38...Re7!? 39.Re7 Ke7=) 39.Kf4+= Rd6 (39...Rd8 40.g4 hg4 41.Kg4+=) 40.g4 hg4 41.Kg4 Rd8 42.h5 (42.Rg5 Kf7+=) 42...gh5 43.Rh5 Rc8 (43...Kg6 44.Rf5+=) 44.Rh6 Ke7 45.Rh3 (45.Kf4 Rc3 46.Ke5 Rc4+=) 45...Kd6= 46.Kf4 Rf8 47.Ke3 Rf6 48.Rh8 (48.Rh7 Re6 49.Kd3 Kc6=) 48...Kc6 (48...Re6 49.Kf3=) 49.Rd8 Re6 50.Kd3 (50.Kf4 Re4 51.Kf5 Re3=) 50...Rd6 (50...Rh6 51.Rf8=) 51.Re8 (51.Rf8 Kb6=) 51...Rd7 (51...Kc7 52.Re7 Kb6 53.Re5=) 52.Ke3 Kb7 53.Re6 Rc7 54.Kd2 (54.Kd3 Rh7=) 54...Rd7 (54...Rh7 55.Rd6 Rh2 56.Kd3 Rh3 57.Kc2=) 55.Kd3 (55.Rh6 Rg7=) 55...Rd8 (55...Rh7 56.Rd6 Rh3 57.Kd2 Rh2 58.Kd1=) 56.Re7 (56.Rh6 Rg8=) 56...Kb6 57.Ke2 (57.Ke3 Rc8 58.Kd2 Rg8=) 57...Rd6 58.Kf3 (58.Re5 Kc6=) 58...a5 (58...Rc6 59.Re3=) 59.ba5 Ka5 60.Rc7 (60.Kf4 Rc6=) 60...Kb6 61.Rc5 (better 61.Rc8=) 61...Rc6?? (better 61...Re6=) 62.Rc6+- (62.Rd5?! Rc3 63.Ke4 b4=) 62...Kc6 63.Kf4 Kd6 64.Kf5 Kd7 65.Ke5 1–0. Fusari,Paolo (1905) – Carboni,Giancarlo (1900), 7th Florence op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 g6)

    3.Bb2 a5

    4.Bc4 a4 5.Nf3 a3 6.Bd4 Nc6 7.Be3 Ra5 8.d4 b5 9.Bb3 Nf6 10.e5 Ne4 11.d5 Nb8 12.Qd4 Nc3 13.Nc3 bc3 14.0-0 Qc7 (14...e6 15.Bg5 Qc7 16.d6+/-) 15.Ng5 (15.d6 Qb7 16.Qc3 Nc6+-) 15...d6? (15...e6 16.Ne4 b4 17.de6 de6 18.Nd6 Bd6 19.ed6+/-) 16.e6 (better is 16.ed6!? ed6 17.Rae1+-) 16...fe6+= 17.de6 Na6?? (better is 17...Bb7+=) 18.Qf4 Nc5 19.Bc5 Qc5 20.Rad1 h6 21.Nf7 g5 22.Nd6! ed6 23.Qf7 Kd8 24.Rd5 Qc7 25.Qf6 Qe7?? 26.Qh8 Be6 27.Rd3 Bb3 28.cb3 b4 29.Rfd1 (29.Rfd1 c2 A) 30.Rd6?! Kc7 31.Rd7 Kc8 (31...Qd7? 32.Rd7 Kd7 33.Qh7 Be7 34.Qc2+-) 32.Rd8 Kb7 33.R1d7 Kc6 34.Rd6 Kc7 (< 34...Qd6 35.Rd6 Bd6 36.Qc8 Kb6 37.Qc2+-) 35.R6d7 Kc6 36.Rd6 Kb7 (< 36...Qd6 37.Rd6 Bd6 38.Qc8 Kb6 39.Qc2+-) 37.R6d7 Kc6=; B) 30.Rc1+/-) 1–0. poulmorphy (1725) – chess69man, kurnik, 2011.

    4.Nf3 a4 5.a3 ba3 6.Na3 e6 7.Bd3 Nf6 8.0-0 Nc6 9.Bb5 Nb4 10.c3 Nc6 11.d4 Ne4 12.Qd3 f5 13.Nd2 Nd2 14.Qd2 Bd6 15.d5 ed5 16.Rfe1 Ne7 17.Qd5 Qb6 18.Bc4 Rf8 19.Rab1 Kd8 20.Nb5 Nd5 21.Bd5 Qc5 22.c4 a3 23.Bd4 Qd4 24.Nd4 a2 25.Ra1 b5 26.c5 Be7 27.Nb5 Bc5 28.Ra2 Ra2 29.Ba2 Ba6 30.Bc4 Bb5 31.Bb5 d5 32.Rd1 d4 33.g3 Kc7 34.Bd3 g6 35.Kg2 Kd6 36.Ra1 Rb8 37.Ra6 Rb6 38.Ra8 h5 39.Rg8 Kd5 40.Rd8 Ke6 41.Re8 Kf6 42.h3 Rb3 43.Bc4 Rc3 44.Be2 d3 45.Bf3 d2 46.Rd8 Rc2 47.g4 hg4 48.hg4 fg4 49.Bg4 Bb4 50.Be2 Rc1 51.Kf3 Rc3 52.Ke4 g5 53.Rd2 Rc4 54.Rd4 Rd4 55.Kd4 Kf5 56.Kd3 Bc5 57.f3 Kf4 58.Kc4 Bb6 59.Kd3 Ba7 60.Bd1 Bb6 61.Be2 Ba5 62.Bd1 Bb6 63.Be2 ½–½. afro01 – alf5656 (1670), playok.com, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2)

    3.Bb5 Nc6

    4.Bb2 d6 5.f4 a6 6.Bc6 bc6 7.d4 Nf6 8.Nd2 e6 9.e5 (9.Nh3 d5-/+) 9...Nd5-+ 10.Qf3 de5 11.fe5 a5 12.Ne2 Be7 13.0-0 0-0 14.c4 bc3! 15.Nc3 (15.Bc3 Ba6 Combination; 15.Nc3 Ba6 Combination) 15...Ba6 16.Rfe1 (16.Rf2!?-/+) 16...Nb4-+ 17.Rac1?? (better is 17.Nb3-+) 17...Nd3 18.Qc6 (18.Nb3 Nb2 19.Rc2-+) 18...Qd4 19.Kh1 (19.Re3 Qe3 20.Kh1 Nf2 21.Kg1 Nd1 22.Kh1 Qe1 23.Nf1 Qf1) 19...Nf2 20.Kg1 Nh3 21.Kh1 Qg1! 22.Rg1 Nf2 0–1. May,R – Ramsauer,Martin, GER theme, 1994. (=1.e4 c5 2.b4 cb4+=)

    4.Bc4 Nf6 5.Qh5?? Nh5-+ 6.f4 (6.Nf3 Qc7 7.0-0 Ne5 8.Ne5 Qe5-+) 6...Nf4 7.g3 Ng6 8.Nh3 d6 9.Rf1 f6 10.g4 Bg4 11.Nf4 Nf4 12.Rf4 Bd7 13.Bd5 Rb8 14.e5 Ne5 15.d4 Ng6 16.Rf3 Bc6 17.Rf5 Bd5 18.Rd5 Rc8 19.Kd1 Qc7 20.c3 bc3 21.Rf5 c2 22.Ke1 Qb6 23.Nc3 Rc3 24.Kd2 Qd4 25.Ke1 Qd1 26.Kf2-+ Rd3 28.Kf1 Qd1 29.Rd1?? cd1Q 30.Kf2 Qc2 31.Kg1 Qb2 32.a4 Rd1 33.Rf1 Nh4 34.Rd1 Qg2 0–1. Reinders,Johanneke – Van Nies,Pauline, Hengelo U12 op, 1998. (=1.e4 c5 2.b4 cb4+=)

    3.c3 Nc6

    4.cb4 Nb4 5.Qb3 e6 6.a3 Nc6 7.Nf3 Qb6 8.Bc4 Qb3 9.Bb3 Nf6 10.Nc3 Bc5 11.0-0 Ke7 12.Ng5 b6 13.Bb2 Ba6 14.Rfe1 h6 15.e5 hg5 16.ef6 gf6 17.Nd5 Kd6 18.Nf6 Kc7 19.Re4 d5 20.Ra4 Be2 21.Rc1 a5 22.Bc3 Bd3 23.Re1 d4 24.Bb2 b5 25.Nd7 Kd7 26.Bc4 Bc4 27.Rc1 Rab8 28.d3 ba4 29.Rc4 Rb2 30.Rc5 Rb1 31.Rc1 Rc1 0–1. Fafner 2 – Gambiet, World Microcomputer chess, 1980. (=1.e4 c5 2.b4 cb4)

    4.c4 e5 5.Nf3 Nf6 6.d3 Bc5 7.Bg5 Qb6 8.Qe2 Nd4 9.Qd1 b3 10.a4 Nc2 11.Kd2 Na1 12.Ne5 Bd4 13.Nc3 Be5 14.Qa1 Qf2 15.Be2 Qg2 16.Bf6 Bf4 17.Ke1 Qh1 18.Bf1 gf6 19.h3 d6 20.Nd5 Bg3 21.Kd2 Be5 22.d4 Qh2 23.Kc3 Bd4 24.Kd4 Qe5 25.Ke3 Qa1 26.Nc7 Ke7 27.Bd3 Qc1 28.Kd4 Qa1 29.Ke3 Qc1 30.Kd4 Qb2 31.Ke3 Qc1 ½–½. Fafner 2 – Rook 4. 0, World Microcomputer chess, 1980. (=1.e4 c5 2.b4 cb4)

    4.Nf3 bc3 5.Nc3 e5 6.Bc4 h6 7.d4 ed4 8.Nd4= Nf6 9.Nc6 bc6 10.e5? Ng8?? 11.0-0 Bc5 12.Ne4+/- Be7? 13.Nd6 Bd6+/- 14.Qd6 Qe7 15.Re1 Qd6 16.ed6 Kf8 17.Re4 Nf6 18.Re7+/- g5?? 19.Rf7+- Ke8 20.Rf6 a5 21.Bf7 Kd8 22.Be3 Ba6+- 23.Bb6 Kc8 24.Ba5 h5 25.Bc7 h4 26.Bb3 Bd3 27.Rf3 Be4 28.Re3 Bf5 29.Re5 Rf8 30.a4 Bd3 31.Rg5 Kb7 32.Rh5 Rf4 33.Re5 Raf8 34.f3 h3 35.Bd1 hg2 36.Re3 Bf1 37.Rb3 Ka7 38.Rab1 Rh4 39.Rb7 Ka8 40.a5 Rg8 41.Rb8 Rb8 42.Rb8 Ka7 43.Rd8 Rh7 44.Bb6 Kb7 45.f4 Rg7 46.f5 Rf7 47.Bh5 Rf5 48.Rd7 Kc8 49.Bg4 Kd7 50.Bf5 Kd6 1–0. hypermode (2270) – burrango (1970), net–chess.com, 2010.

    3.c3 d5

    4.cb4 de4-/+ 5.h3 (5.d4 e5 6.de5 Bb4 7.Nd2 Nc6-+) 5...e5-+ 6.Bc4 (6.Bb2 Bd6-+) 6...Qg5 (better 6...Nc6 7.b5 Na5-+) 7.a3?? (better 7.Rh2-/+) 7...Qg2-+ 8.Bf7 (8.Qh5 Kd8 9.Qf7-+) 8...Kf7 9.Qb3 (9.Qh5 g6 10.Qe5 Bg7-+) 9...Be6 10.Qg3 (10.Qe3 Qh1 11.f3 Nc6-+) 10...Qh1 11.d3 (11.Bb2 Nc6 12.Nc3 Nf6-+) 11...Nc6 12.Bb2 Rd8 13.Nd2 Rd3 14.Qg5 Be7 15.0-0-0 Bg5 (15...Bg5 16.b5 Bd2 17.Kb1 e3-+) 0–1. valla – juliangon (2690), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.c3 d5)

    4.d3 de4 5.cb4 Bf5 6.d4 (6.de4 Qd1 7.Kd1 Be4-/+) 6...Nc6 7.Bb5 Bd7 8.Bc6 Bc6 9.Ne2 e5! 10.0-0 (10.de5 Qe7) 10...ed4 11.Nd4 Bb4 12.Nc6 Qd1 (12...bc6?! 13.Qa4 Qb6 14.a3-/+) 13.Rd1 bc6 14.Rd4 Bc5 15.Re4 Ne7 16.Na3 0-0 17.Nc4 Rad8 18.Ba3 Ba3 19.Na3 Rd7 20.Rae1 Rfd8 21.g3 Re8 22.Nc4 f6 (better is 22...Kf8!?-/+) 23.Na5= c5 24.Nc6? (better is 24.Nb3!?=) 24...Kf7-/+ 25.h4 Rc7 26.Na5 Rcc8 (better is 26...f5!? 27.R4e3 Rd8-/+) 27.Rc4 Nf5 28.Re8 Ke8 29.Nb3 Nd6 30.Rc5 Rc5 31.Nc5 a5 32.Kg2 Kf7 33.Kh3 f5 34.g4 g6 35.f3 Kf6 36.Nd7 Kg7 37.Ne5 Kh6 38.a4 f4 (better is 38...Kg7!?=) 39.g5+/- Kg7 40.Nd7 Kf7 41.Nf6 h6 ½–½. Kalliwoda,Theresa – Schnorr,Christian, GER–ch U10 Willingen, 2005. (=1.e4 c5 2.b4 cb4 3.c3 d5)

    4.e5 bc3 5.dc3 Nc6 6.Nf3 e6 7.Ba3 Ba3 8.Na3 a6 9.Bd3 Qa5 10.Qb3 Qc7 11.0-0 Ne5 12.Ne5 Qe5 13.Rfe1 Qc7 14.Re3? (better is 14.Qd5! Nf6 15.Qd4-/+) 14...Nf6-+ 15.Qb4 Qe7 16.Qb3 0-0 17.Nc2 Qc5 18.Nd4 Ng4 19.Re2 (better is 19.Rh3 h6 20.Be2-+) 19...e5 20.Nc2 (20.h3 ed4 21.hg4 dc3 22.Re5-+) 20...e4 21.Be4 de4 22.Nd4 Nf6 23.Rae1 b5 24.h3 Bb7 25.a4 Bd5 26.Qb4 Qb4 27.cb4 ba4 28.Ra1 Bc4 29.Rc2 Bb5 30.Rc5 Rab8 31.Nf5 g6 32.Nd6 Bd7 33.Ra5 Rb6 34.Rd1 Bb5 35.Nb5 ab5 36.Rc1 Kg7 37.Rc5 Rfb8 38.Re5 Re8 39.Reb5 Rb5 40.Rb5 Ra8 41.Rc5 a3 42.Rc1 a2 43.Ra1 Nd5 44.b5 Nc3 45.Kf1 Rb8 46.Ke1 Rb5 47.Kd2 Rb1 (47...Rb1 48.Ra2 Na2-+) 0–1. Parkinson,Adam (1650) – Davies,Peter L (1925), BCF–chT4, 2006. (=1.e4 c5 2.b4 cb4 3.c3 d5)

    3.c3 e6

    4.Qb3 Nf6 5.d3 Nc6 6.Nf3 a5 7.Nbd2 a4 8.Qc2 bc3 9.Nc4? (better 9.Qc3 Bb4 10.Qc2-+) 9...d5 10.Nce5 Ne5 11.Ne5 Bd6 12.Qc3 (12.Nf3 Qc7-+) 12...d4! 13.Qd4 Qa5 14.Bd2 Be5 15.Ba5 (15.Qc4 Qd8 16.Qb5 Nd7-+) 15...Bd4 16.Bb4 (16.Rc1-+) 16...Ba1 17.Be2 Bd4 18.a3 (18.f4 e5 19.fe5 Be5-+) 18...e5 19.0-0 (19.Kd2 Be6 20.Bc3 Bc3 21.Kc3 Rc8 22.Kd2 Bb3-+) 19...Be6 20.h3 Kd7 21.Kh2 Rhc8 22.f4 ef4 23.Kh1 Rc2 24.Re1 Bf2 25.Bd1 Be1 26.Bc2 Bb4 27.e5 Nh5 (27...Nh5 28.g4 fg3 29.Kg2 Bd5 30.Kg1 Bc5 31.Kf1 g2 32.Ke2 g1Q 33.e6 fe6 34.d4 Ng3 35.Kd2 Qf2 36.Kd1 Ba3 37.Ba4 Ra4 38.h4 Rd4) 0–1. angel027 (1830) – marekt (2550), ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.c3 e6)

    4.cb4 Bb4 5.Ba3 Nc6 6.Bb4 Nb4 7.Nc3 a6 8.d4 d5 9.e5 Ne7 10.Nf3 Bd7 11.g4 Rc8 12.Qd2 Qa5 13.Rc1 0-0 14.Be2 f6 15.0-0 fe5 16.Ne5 Be8 17.Qb2 b5 18.h4 Nbc6 19.Nd1 Nd4! 20.Rc8 (20.Qd4 Qa4 Double attack) 20...Ne2 (20...Nc8 21.Qd4 Qa2 22.Bd3+=) 21.Qe2 Nc8 22.Nc6 Bc6 23.Qe6 Kh8 24.Qc6 Qa2 25.Qe6 b4 26.h5 h6 27.Ne3 Rd8 28.Nf5 Qb2 (28...Qd2 29.Qg6 Qg5 30.Qg5 hg5 31.Rb1-+) 29.g5 (29.Qa6 Qd2 30.Qb7 Qg5 31.Qb4 d4+=) 29...hg5 30.h6 Rg8?? (better is 30...g6 31.Ne3 Rg8-/+) 31.hg7 Rg7 32.Ng7 Kg7 33.Qc8 Qe2? 34.Rc1 Qb5?? 35.Rc7 (35.Rc7 Kf6 36.Qh8 Ke6 37.Qh3 Kd6 38.Qg3 Ke6 39.Qe3 Kf6 40.Re7 Qd7 41.Qe5 Kg6 42.Rd7 Kh5 43.Qf5 b3 44.Rh7) 1–0. Branson,James (1745) – Couradin,Jean Marie (1780), Montigny le Bretonneux–B 7th, 2008. (=1.e4 c5 2.b4 cb4 3.c3 e6)

    4.cb4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.Bc4 Nb6 8.Bb3 Nc6 9.Qg4 Kf8 10.Ne2 Be7 11.0-0 Na5 12.Nbc3 Nb3 13.ab3= f5 14.Qg3 a6 15.Na4 Nd5 16.Rfc1 b6 17.Nf4 Nf4 18.Qf4 b5 19.Nc5 Bc5 20.Rc5 Bb7 21.Rac1 Rc8 22.Rc8 Bc8 23.Qb4 Kf7 24.Qd6 Re8 25.Qb8 Kg6 26.b4 h6 27.Bd4 Rg8 28.Bb6 Qe8 29.Bc5 Kh7 30.Bd6 h5 31.Qb6 Qd8 32.Qd8 Rd8+= 33.Rc7 Re8 34.f4 h4 35.Kf2 Kh6 36.Kf3 Kh5 37.Bc5 g5 38.Be3 gf4 39.Bf4 h3 40.gh3 Kh4 41.Kg2 Rg8 42.Bg3 Kg5 43.h4 Kg4 44.h3 Kh5 45.Kf3 f4? 46.Bf2 Kg6 47.Bc5 Rh8 48.Kg4+- f3 49.h5! Rh5 50.Rc8 Re5 1–0. Pusch,Hermann – Wallhof,Dieter, Bochum SG, 1978.

    4.d4 bc3 5.Nc3 d5 6.ed5 ed5 7.Bb5 Nc6 8.Nf3 Bb4 9.Qe2 (9.Qb3 Qa5 10.Bd2 a6 11.Bc6 bc6=) 9...Nge7-/+ 10.Bd2 (10.Qb2 0-0 11.0-0 Qb6-/+) 10...0-0 11.0-0 Bg4 12.a3 (better 12.Qd3-+) 12...Nd4! 13.Qe5 (13.Nd4 Bc3 Double attack (13...Be2 Pinning; 13...Be2 Deflection; 13...Bc3 Decoy)) 13...Nf3 14.gf3 Bd6 15.Qg5 Bf3 16.Bd3 Ng6 17.Qf5 Qh4 18.h3 Bf4 19.Ne4 (19.Nb5-+) 19...de4 20.Bf4 Nf4 21.Kh2 ed3 22.Rab1 Rae8 23.Rb4 Re2 24.Rf4 (24.Qf4 Rf2 25.Kg1 Rg2 26.Kh1 Qh3 27.Qh2 Qh2) 24...Rf2 25.Kg1 (25.Rf2 Qf2) 25…Qg3 0-1. JPKN3 – marekt, ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.c3)

    4.d4 bc3 5.Nc3=+ d6 6.Bb5 Bd7 7.d5? Qa5?? 8.Bd7 Nd7 9.Qd2 ed5 10.Nd5= Qd2 11.Bd2 0-0-0 12.Rc1= Kb8 13.Nf3 Ndf6 14.0-0 Nd5 15.ed5= Be7 16.Ng5 Bg5=+ 17.Bg5 f6 18.Bf4 Ne7 19.Rcd1 Rhe8 20.Rfe1 g5 21.Bc1 Nd5 22.Re8 Re8 23.h3? Nc3-+ 24.Rf1 Na2 25.Bb2 Nb4 26.Bf6 h6 27.Rd1 d5 28.Bc3 a5 29.Bb4-/+ ab4 30.Rd5 b3 31.Rd2 b5 32.Rb2 Re4 33.Rb3=+ b4 34.f3 Rd4 35.Kf1 Kb7 36.Ke2=+ Kc6 37.Ke3 Kd5 38.g3=+ Kc4?? 39.f4 gf4 40.gf4 Rd5 41.Rb1-/+ b3 0–1. supercyclone (2080) – hcabrera (2065), net–chess.com, 2008.

    3.c4 d6

    4.d4 Nf6 5.Bd3 Nc6 6.Ne2 e6 7.0-0 Be7 8.Nd2 0-0 9.Nf3 e5 10.Bb2 Bg4 11.de5 Bf3 12.ef6 Bf6 13.Bf6 Be2 14.Bd8 Bd1 15.Bc7 (worse is 15.Rad1 Rfd8 16.Rb1 Rac8+=) 15...Bg4 16.Bd6 Rfe8 17.f4 b6 18.h3 Rad8 19.e5 (worse is 19.hg4 Rd6 20.Rfd1 Red8-/+) 19...Bh5 20.g4 (20.c5!? bc5 21.Bb5+-) 20...Bg6+= 21.f5 Ne5 22.Be5 (22.fg6 Rd6 23.gf7 Nf7 24.Bh7 Kh7 25.Rf7 a5-/+) 22...Rd3 23.Bf4 (worse is 23.fg6 Re5 24.Rf7 Ra5-/+) 23...Bf5 24.gf5 Rh3 25.Rfe1 Rc8 26.Bd6 Rf3 27.Bb4 Rf5 28.Re4 Rg5 29.Kf2 f5 30.Rd4 Rg4 31.Rg4 fg4 32.Rc1 h5 33.c5 Kf7?? (better is 33...Rc6=) 34.cb6+- Rc1 35.b7 Rc2 36.Ke3 a5 37.b8Q ab4 38.Qb4 Rc1 39.Kf4 Kg8 40.Kg5 g3 41.Qb3 Kh7 42.Qg3 Rc5 43.Kh4 g6 44.Qe3 Ra5 45.Qb3 Kh6 46.a4 g5 47.Kg3 Ra6 48.Qb5 Rf6 49.a5 h4 50.Kg2 Rd6 51.Qb6! Rg6 52.Qg6! Kg6 53.a6 g4 54.a7 Kg5 55.a8Q Kf4 56.Qf8 (56.Qf8 Ke4 57.Qe7 Kf4 58.Qh4+-) 1–0. Leeners,Henk JM – Hannesson,Gunnar, EU/M/GT/224 corr, 1984. (=1.e4 c5 2.b4 cb4 3.c4 d6)

    4.d4 Nf6 5.Bd3 Nc6 6.Ne2 g6 7.a3 Bd7 8.Bd2 ba3 9.Na3 Bg7 10.0-0 0-0 11.Qb3 b6 12.Bc3 Re8 13.Qb2 e5 14.d5 Na5 15.Nb5 Bb5 16.cb5 Nd7 17.Qa3 Nc5 18.Bc2 Ncb7 19.Qb4 Rc8 20.h3 Qd7 21.Qb1 Rc5 22.Bd3 Rec8 23.Qb4 (23.Bb4 R5c7+=) 23...R5c7 24.Rac1 Nc5 25.Bc2 Ncb7 26.Bd3 Bh6 27.Rcd1 Qe7 28.Ra1 Rc3 29.Nc3 (29.Qc3 Rc3 Combination; 29.Nc3 Bd2 Decoy) 29...Bd2 30.Ra3 Nc5 (30...Qc7!? 31.Qa4 Nc5+= (worse is 31...Bc3 32.Rc1+=)) 31.Qb1+/- Nab3 32.Ne2 Nd4 33.Nd4 ed4 34.Qb2 Bc3 35.Qc2 Re8 36.Rd1 h5 37.Qe2 Kg7 38.Qf3 Bb4 39.Ra2 Bc3 40.Bc2 Rf8 (40...Ne4 41.Be4 Qe4 42.Qe4 Re4 43.Ra7+/-) 41.Qf4 Re8 42.g3 ½–½. marekt – Snoopy85, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.c4 d6)

    3.Bc4 Nc6

    4.Bb2 Qc7 5.Nf3 e6 6.0-0 Nge7 7.d4 Na5 8.Bd3 Nc4 9.Bc4 Qc4 10.Ne5 Qc7 11.Nd2 d6 12.Nd3 g6 13.f4 Bg7 14.Nf3 Qb6 15.Kh1 Bd7 16.Qd2 a5 17.c4 bc3 18.Bc3 (18.Bc3 0-0 Combination; 18.Qc3 Bb5 Decoy) 18...Qa6 19.a4 0-0 20.Rab1 Rfc8 21.Nf2 b6 22.Qb2 Rab8 23.Rfc1 Rb7 24.Qa3 Rbc7 25.Qd6 Bf8 (worse is 25...Rc3 26.Rc3 Rc3 27.Qd7+=; 25...Ba4 26.Kg1 Bf8 27.Rb6-+) 26.Nd1?? (better is 26.Rb6 Qe2 27.Re1-+) 26...Qf1 27.Ng1 Nd5 28.Qe5 Nc3 (better is 28...f6 29.Nb2 fe5 30.Rf1 Nc3 31.fe5 Nb1 32.Rb1 Rc1 33.Rc1 Rc1-+) 29.Nc3-/+ Qd3 30.Nge2 Bg7 31.Qd6 Qa6 0–1. Scheuer,Thorsten – Lahmers, Bexbach op, 1996. (=1.e4 c5 2.b4 cb4 3.Bc4 Nc6)

    4.Bb2 e6 5.Nf3 Be7?? 6.Bg7+- Bf6 7.Bh8 Bh8 8.d4 d6 9.Bb5 Nge7 10.0-0 Bd7 11.c3 Qb6 12.Bc6 Nc6+/- 13.e5 0-0-0? 14.Re1 Qa5 15.Nbd2 bc3? 16.Nc4 Qd5 17.Nd6 Kc7 18.Nf7 Rf8 19.Nh8 Rh8 20.Qd3 h6 21.Re4 Rg8 22.Rae1 Qa2 23.Qc3 Qd5 24.Qe3 Be8 25.Qh6 Bf7 26.Rf4 Nd8 27.Ng5 Kb8 28.g3 Qd7 29.Re3 b5 30.Ref3 Bg6 31.Rf8 Rf8 32.Rf8 Bf5 33.Nf7 (33.Nf7 Qf7 34.Rf7 Nf7 35.Qf8 Kc7 36.Qf7 Kc6 37.Qa7+-) 1–0. gstevenson (2235) – rpatru (2165), net–chess.com, 2009.

    4.d4 d6 5.Be3 Nf6 6.f3 g6 (6...d5!? 7.ed5 Nd5 8.Bf2-+) 7.Ne2 Bg7 8.a3 Qc7 9.Nd2 0-0 10.ab4 Nb4 11.c3 d5 12.Rc1 (12.Qa4 a5 13.Bf4 Qd7 14.cb4 dc4+=) 12...Nc2 13.Qc2 dc4 14.g4 (better is 14.Qa4!?=) 14...b5-/+ 15.h4 a5 16.h5 e6 17.Nf1 Ba6 18.Neg3 b4 19.g5 Ne8 20.e5 b3 21.Qh2 Bh8 22.Ne4 Bb7 23.Nfd2 Be4 24.Ne4 Qe7 25.Ke2 (better is 25.Qe2=) 25...a4-+ 26.Rcg1 a3 (better is 26...Ra6 27.Nf6 Nf6 28.gf6 Bf6 29.ef6 Qd6+- (29...Qf6 30.hg6 h5 31.Qh5 Rfa8 32.g7 Qh6 33.Qh6 f5 34.Qf6 a3 35.Rh8)) 27.Nf6+/- Bf6 28.gf6 Nf6 29.ef6 Qd7 30.Qf4 Kh8 (30...Ra7 31.Qh6 Qd4 32.Qg7) 31.Qh6 Rg8 32.Qh7! Kh7 (32...Kh7 33.hg6 Mate attack) 33.hg6 1–0. De Mayolas,Flavio – Bernier,Alejandro, Ushuaia Mayor Campeonato, 2004. (=1.e4 c5 2.b4 cb4 3.Bc4 Nc6)

    4.d4 d6 5.Qh5 g6 6.Qb5 (6.Qf3 Nf6 (worse 6...Nd4 7.Qf7 Kd7 8.Bb2+=) 7.Bb2 Bg7-/+) 6...Qd7 (6...Bd7 7.Bb2 Bg7 8.Bb3-/+) 7.Bb2 Bg7 8.Nf3 Nh6 9.Nbd2 0-0 10.0-0 (10.Rb1 a6 11.Qb6 Qd8 12.Qd8 Nd8=+) 10...Qc7=+ 11.Bd3 Bd7 12.Qc4 a5 13.d5? (better 13.Rfb1=+) 13...Bb2-+ 14.dc6 (14.Rad1-+) 14...Ba1 (14...bc6 15.Qb3 Ba1 16.Ra1-+) 15.Ra1? (better 15.cd7 Qc4 16.Nc4-+) 15...bc6 16.h3 Be6 17.Ng5 (17.Qd4-+) 17...Bc4 18.Bc4 d5! 19.ed5 cd5 20.Bd3 Qe5 21.Ndf3 Qa1 (21...Qa1 22.Kh2 a4-+) 0-1. KMiroslav - Spirc55, ChessWorld.net, 2022. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Qf3 e6 5.Ne2 Ne5-/+ 6.Qb3 Nf6 7.0-0 Ne4-+ 8.Bb5 Qb6 9.Qa4 Nc6 10.Bc6 bc6 11.d3?? Nc5 12.Qb3 Nb3 13.cb3 d5 14.d4 Ba6 15.Bb2 (15.Bb2 Be2 16.Re1-+). zeca (1645) – marcosramospg, net–chess.com, 2010.

    3.Bc4 Qc7

    4.Bb3 Qe5 5.c3 Qe4 6.Ne2 Qg2 7.Rg1 Qc6 (better is 7...Qh2!? 8.d4 bc3-+) 8.cb4 Nf6 9.Bb2 g6 10.Na3 b5?? (better is 10...Qd6-+) 11.Rc1= Qb7 12.Nb5 Nc6 13.a4 (better is 13.Nd6! ed6 14.Bf6+-) 13...Bg7-/+ 14.Ba3 0-0 15.Ned4 Nd4 16.Nd4 Qe4 17.Ne2 d5 18.d3 Qh4 19.Rh1 Bg4 20.b5 Bf3 21.Rf1 Ng4 (21...Qh2?! 22.d4-+) 22.h3 (22.Rc7 Nf2! 23.Rf2-+) 22...Ne3 23.Qd2 Nf1 24.Kf1 Qh3 (24...Qh3 25.Ke1 Qh1 26.Ng1 Qg1) 0–1. Sikula,Frantisek (1785) – Konstacky,Matej (2005), CZE–ch U14 Czechia, 2004. (=1.e4 c5 2.b4 cb4 3.Bc4 Qc7)

    4.d3 b5 5.Bb5?? (better 5.Bb3-/+) 5...Bb7 (better 5...Qe5 6.Nc3 Qc3 (worse 6...bc3 7.Rb1-+) 7.Bd2 Qc5-+) 6.Bc4 (6.Nf3 Nf6+=) 6...Qe5 (better 6...d5 7.Bb5 Nd7-/+) 7.Qf3?? (better 7.c3 e6 8.Nf3+=) 7...Nf6 (better 7...d5 8.Bb5 Kd8-+) 8.d4?? (better 8.c3 d5 9.Bf4-/+) 8...Qd4-+ 9.c3 (9.Qb3 Ne4 10.Bf7 Kd8-+) 9...Qc4 10.Nd2 (10.Ne2 Be4 11.Nd2 Bf3 12.Nc4 Be2 13.Ke2 bc3-+) 10...Qc3 11.Qc3 (11.Rb1 Ne4 12.Ne2 Qf3 13.Nf3 e6-+) 11...bc3 12.Nb3 (12.Nc4 Nc6 13.f3 Nb4-+) 12...Be4 13.f3 Bd3 (13...Bg6 14.Ne2 Nd5 15.Ba3-+) 14.Ne2 Be2 15.Ke2 e6 0-1. raymac - sinjoor1, ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Qe2 b5 5.Bd3 Qe5 6.c3 e6 (6...a6 7.Nf3 Qc7 8.Bb2=+) 7.Nf3= Qh5 8.Bb2 (8.cb4 Bb4 9.Bb5 Bb7=) 8...Nf6 (8...bc3 9.dc3 Bb7 10.Nbd2=+) 9.0-0 (9.cb4 Bb4 10.Bb5 Bb7 11.Bf6 gf6=) 9...Bb7 (9...a6 10.cb4 Bb4 11.Rc1=) 10.cb4 Bb4 11.Bc2 (better 11.Rc1!?=) 11...a6 12.Rc1 Be7 13.Nc3 0-0 14.Qe3 Nc6 15.Ne2 Ng4 16.Qf4 e5 17.Ng3 Qh2! (17...ef4?! 18.Nh5 Nb4 A) worse 19.Ng7 Nc2 20.Rc2 Be4-+; B) worse 19.Bg7 Rfc8 20.Bd1 Rc1 (worse 20...Be4 21.Rc8 Rc8 22.Nd4+=) 21.Rc1 Be4-/+ (worse 21...Na2 22.Ra1+=); C) 19.Bb1=+) 18.Nh2 ef4 19.Nf5 Bf6 20.Bf6 Nf6 21.Nd6 Rab8 22.f3 (22.Nf3!?-/+) 22...Ba8 (22...Ne8 23.Nb7 Rb7 24.Ng4-+) 23.Bb3 Ne8 24.Nf5 g6 25.Nh6 Kg7 26.Nf7 (26.N6g4 f5 27.Nf2 a5-+) 26...Rf7 27.Bf7 Kf7 28.d4 (28.Rab1 Nf6-+) 28...Ke7 (28...d5 29.Rd1-+) 29.Rd1 Nd6 30.Ng4 h5 31.Nf2 Nc4 32.a3 (32.d5 N6e5-+) 32...g5 33.e5 (33.Rd3 Ne3-+) 33...Ne3 34.Rd3 Nc2 35.Rad1 N6d4 (better 35...b4!? 36.ab4 Rb4 37.Nh3-+) 36.Rd4 Nd4 (36...Na3? 37.Rd7 Ke6 38.R1d6 Kf5 39.Rf6 Ke5 40.Ra6+-) 37.Rd4 Rc8 38.Nh3 (38.Rd6 Rc6-+) 38...Rc1 (38...Rc4 39.Rd6 g4 40.Ng5-+) 39.Kh2? (better 39.Kf2-+) 39...Rc4 40.Rd6 g4 41.Ng5 g3 (better 41...Rc1 42.fg4 Rc2 43.Ra6 Rg2 44.Kh1 Rg4 45.Ra8 Rg5-+) 42.Kh3 Rc1 (42...Rc5 43.Rf6 Re5 44.Nh7-+) 43.Kh4 Rh1 44.Nh3 Rh2 45.Kg5? (better 45.Rh6 Bd5 46.Rh5-+) 45...Rh3! (45...Rg2?! 46.Kf4 Bc6 47.Rg6-+) 46.gh3 (46.Kf4 Rh4 47.Kg3 Ra4-+) 46...Bf3 47.Kf5 0–1. Baran,Peter (2060) – Chrz,Pavel (2125), CZE–ChT2B, 2010. (=1.e4 c5 2.b4 cb4 3.Bc4 Qc7)

    3.Bc4 Nf6

    4.d3 e6 5.Bd2 d5 6.ed5 ed5 7.Bb3 a5 8.Nf3? (better 8.c3-/+) 8...a4-+ 9.0-0 ab3 10.cb3. 19larry – juliangon, ChessWorld.net, 2022. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.e5 d5 5.Bb5 Bd7 6.Bd7 Nfd7 7.e6 fe6 8.d4 (8.Nf3 e5-+) 8...e5-+ 9.de5 Ne5 10.Nf3 Nf3 11.Qf3 Nc6 12.Bb2 Qd7 13.0-0 e5 14.Re1 0-0-0 15.Be5 Re8 16.Nd2? (16.Qg3 Qf5 17.Bc3 Re1 18.Be1-+) 16...Ne5 17.Qb3 (17.Qe3 b6 18.Qg5 Bd6-+) 17...Bc5 18.Rad1 (18.Rf1 Ng4 19.Qd3 Ref8-+) 18…Ng4 (18...Ng4 19.Re8 Re8-+) 0-1. raymac – marekt, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.e5 d5 5.Bb5 Bd7 6.Be2 Ng8 7.a3 ba3 8.Na3 e6 9.Nb5 Bb5 10.Bb5 Nc6 11.Qg4 a6 12.Qa4 Rc8 (12...ab5 13.Qa8 Qa8 14.Ra8 Ke7 15.Nf3+-) 13.Be2 Qd7 14.Rb1 (better is 14.Nf3!?-/+) 14...Ne5-+ 15.Qd7 Nd7 16.Rb7 Rc2 17.Bb2 Rc8 (better is 17...f6!?-+) 18.Ba6+= Nc5 (better is 18...Rb8!?+=) 19.Bb5+= Kd8 20.Ra7?? (better is 20.Rf7 Ne7 21.Be5+=) 20...Rb8-+ 21.Ba3 Nf6 22.Ne2? (22.d4 Nb3 23.Nf3 Rb5 24.Ra8 Kc7 25.Rf8 Rf8 26.Bf8 Nd4 27.Nd4 Rb1 28.Ke2 Rh1 29.Bg7-+) 22...Rb5-+ 23.Nc3 Rb8 24.Rf7 Nd3 25.Ke2 Nf4 (worse is 25...Ba3 26.Kd3 Rg8 27.Ra1-+) 26.Kf3 Ba3 27.Kf4 Be7 0–1. Bach,Mat (2300) – Ochsner,B (2165), Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.e5!? d5 5.Be2 -/+.

    4.Nf3 Ne4 5.Bb2 e6 6.0-0 Nf6 7.d4 d6 8.d5-/+ e5 9.Nbd2 Be7-+ 10.Ng5 0-0 11.f4 Ng4 12.Ne6? Qb6 13.Kh1 Ne3 14.Qh5 g6 15.Qh3 fe6 16.Rf3 ed5 17.Qh6 dc4 18.Rg3 Ng4 19.Rg4 Bg4 20.Nc4 Qf2 21.h3 Qf4 (21...Qf4 22.Qf4 Rf4 23.Ne5 Bf5-+) 0–1. Malia,J (2500) – Gallego,Victoriano (2355), Sevilla op, 1999.

    3.d3 Nc6

    4.g3 Qa5 5.Nd2-/+ Qc5 6.Nb3=+ Qc3 7.Bd2= Qf6 8.Nf3 Ne5 9.Be2 e6 10.0-0+/- Nf3 11.Bf3 e5 12.c3 bc3 13.Bc3 Ne7 14.d4 Nc6 15.de5+- Ne5 16.Bh5 g6? 17.f4 (17.f4 Bg7 18.Be2 (< 18.fe5 Qg5 19.Bg4 0-0+-) 18...Qb6 19.Bd4+-) 1–0. Anonymous – shiblock, internet, 2011.

    4.g3 Nf6 5.Nf3 d5 6.Nbd2 g6 7.Bb2 Bg7 8.Bg2 0-0 9.ed5 Nd5 10.Bg7 Kg7 11.0-0 Bg4 12.Qc1 Nc3 13.Re1 a5 14.Nc4 Bf3-+ 15.Bf3 Nd4 16.Bb7?? Nce2 17.Kg2 Nc1 18.Ba8 Qa8 19.Kg1 Nce2 20.Kf1 Qh1# 0–1. burrango (1970) – pierred (2750), net–chess.com, 2009.

    3.d3 d5

    4.e5 Nc6 5.Bb2 Bf5 6.Nf3 e6 7.g3 Bc5 8.Bg2 Nge7 9.0-0 0-0 10.Nbd2 a5 11.d4 Bb6 12.h3 a4 13.a3 Qc7 14.Re1 Ba5 15.Re2 Rfc8 16.Rc1 ba3 17.Ba3 Nb4 18.Ne1 Na2 19.Bd6 Qd7 20.g4 Nc3 21.gf5 Nf5 22.Nf1 Nd1 23.Rd1 Nd6 24.ed6 a3 25.Nd3 Bc3 26.Nc1 a2 27.Na2 Ra2 28.Ne3 Qd6 29.Ng4 Qb6 30.Rf1 Bd4 31.Ne3 Be3 32.fe3 Rcc2 33.Rff2 Re2 34.Re2 Re2 35.Kf1 Qe3 36.h4 Qf2# 0–1. bigblockchevynigger – michaelbuss, 2005. (=1.e4 c5 2.b4 cb4 3.d3)

    4.Nf3 de4 5.de4 Qd1 6.Kd1 Nc6 7.Bc4 Bg4 8.h3 Bf3 9.gf3 0-0-0 10.Bd2 e6 11.Rg1 Bc5 12.Rg2 Bd4 13.c3 bc3 14.Kc2 cd2 15.Nc3 Bc3 16.Rb1 Be5 17.Bd3 d1Q 18.Rd1 Nb4 19.Kb3 Rd3 20.Rd3 Nd3 21.a3 Ne7 22.h4 Rd8 23.a4 Nc6 24.Kc4 Na5 25.Kb5 Bc7 26.Rg7 a6# 0–1. pieeater – Bazza3, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.d3)

    3.d3 e5

    4.Nd2 b5 (4...Nc6!?-/+) 5.Ngf3= Nc6 6.Nb3 (6.Bb2 Qe7=+) 6...d6 (6...Nf6 7.Be2-/+) 7.Be2 (7.d4 a6=) 7...a5 (7...Nf6 8.0-0-/+) 8.Nbd2 (8.d4 Rb8=) 8...Bb7 (8...d5 9.d4 de4 10.Ne5-/+) 9.0-0 (9.d4 Na7=) 9...Nf6 (9...d5 10.ed5 Qd5 11.Re1-/+) 10.h3 (10.d4 Qb6 11.d5 Nd4=) 10...Be7 (10...d5 11.ed5 Qd5 12.Ne4-/+) 11.Bb2 (11.d4 0-0=+) 11...0-0 12.c4 (12.Re1 Qb6-/+) 12...bc3! 13.Bc3 b4 14.Bb2 a4 15.a3 (15.Rb1 Re8-/+) 15...b3-+ 16.Nb1 (16.Qb1 Rb8-+) 16...Qb6 17.Nc3 (17.Nbd2 Rfc8-+) 17...Nd4 (17...Rfd8!? 18.Nh4-+) 18.Nd4 ed4 19.Nd5 (19.Nb1 d5 20.e5 Nd7-+) 19...Nd5 20.ed5 Bd5 21.Bf3 Bf3 22.Qf3 Bf6 23.Rac1 Rac8 24.Qe2 Rfe8 25.Qd2 Qb5 26.Rc8 Rc8 27.Rc1 (27.Re1 h6 28.Qd1 Rc2-+) 27...Qb7 (27...Rc1!? 28.Bc1 Qc5 29.Bb2-+) 28.Rc8 Qc8 29.f3 Qa6 (29...Qe6 30.Kh1-+) 30.Kf2 Kf8 (30...Qc6 31.Kf1-+) 31.g4. Tony _ R – jaddwarrior, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.d3)

    4.Nf3 Nc6 5.Bd2 (5.Bb2 d5-/+) 5...Nf6-/+ 6.c3 d5 7.cb4 de4 8.de4 Ne4 (8...Nb4?! 9.Ne5 Qa5 10.Nc4=) 9.Nc3 (better 9.a3!?-/+) 9...Nd2-+ 10.Nd2 (10.Qd2 Bb4 11.Qd8 Nd8-+) 10...Bb4 11.Qb3 (11.Rc1-+) 11...Nd4 12.Qb2 Qa5 13.Rc1 Ba3 14.Bb5 (14.Qa1 Bc1 15.Qc1-+) 14...Kf8 15.Qb1 Bc1 16.Qc1 Nb5 17.Ndb1 (17.Nb5 Qb5 18.a4 Qd3-+) 17...Be6 18.0-0 (18.a4 Nc3 19.Qc3 Qc3 20.Nc3 Ke7-+) 18...Rc8 19.a4 (19.Qb2 Nc3 20.Nc3 Rc3 21.Qb7 g6-+) 19...Nc3 20.Nc3 0-1. shm19cs – marekt, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.d3)

    3.Qf3 Nc6

    4.Bc4 Ne5-/+ 5.Qe3?? Nc4-+ 6.Qd4 b5 7.d3 Nb6 8.Bh6 Nh6 9.Nf3 Bb7 10.h3 a5 11.0-0 d5 12.Ne5 e6 13.Nd2 Nd7 14.Nd7 Qd7 15.Nf3 1–0. zeca (1795) – wwidener (1800), net–chess.com, 2009.

    4.Bc4 Ne5-/+ 5.Qf4?? Nc4-+ 6.d3 Na3! 7.Kd1 Nf6 8.Ba3 ba3 9.Nf3 e6 10.Nc3 Qb6 11.Rf1 Bb4 12.Nb1 0-0 13.c3 Bd6 14.e5 Qb2 15.Na3 Qa1 16.Ke2 Qb2 17.Ke3 Qa3 18.ed6 Nd5 19.Kd4 Nf4 20.g3 Nd5 21.Ne5 Qc3 22.Ke4-+ b6 23.f3 Bb7 24.h4 Nb4 25.Kf4 Nd3 26.Ke3 Ne5 27.Kf4 Rac8 28.Re1 Qf3 29.Kg5 h6# (29...f6) 0–1. zeca (1795) – rthurc (2250), net–chess.com, 2009.

    3.Nf3 e6

    4.Bb2 Nc6 5.Be2 Nh6 6.h3 Bc5 7.Bg7= Rg8 8.Bh6 Rg2? 9.Rf1?? Qf6= 10.c3 bc3 11.Nc3 Qh6-/+ 12.h4 Nd4 13.Ne5 Qh4-+ 14.Na4?? Bb4 15.Bf3 Rh2 16.a3 Ba5 17.Ng4 Rh3 18.Ne5?? Qf4 19.Bg2 Rh2 20.Nd3-+ Rg2 21.Nf4+- d5 22.Ng2 de4 23.Nh4 e5 24.Rg1 b5 25.Nc3 a6 26.Rc1 b4 27.ab4 Bb4 28.Ne4 Be7 29.Rg8 Kd7 30.Qg4 f5 31.Nf5 Nf5 32.Qf5# 1–0. gstevenson (2235) – zeca (1795), net–chess.com, 2009.

    4.Bb2 Nf6 5.e5 Nd5 6.Bc4 Nb6 7.Be2 Be7 8.c4 bc3 9.Nc3 Nc6 10.0-0 0-0 11.d4 d5-/+ 12.ed6 Qd6 13.Qd2 Nd5 14.Ne4 Qf4 15.Qc2 f5 16.Nc5 Ncb4 17.Qb3 b6 18.Nd3 Nd3 19.Qd3 Bb7 20.Bc1 Qd6 21.a4 Nf4 22.Bf4 Qf4 23.Qb5 Bd6 24.Qd7? Bf3 25.g3 Rf6 26.Bf3-/+ Qf3 27.Qd6 f4 28.Rae1 Re8 29.Qd7 Qa8 30.d5 Rd8-+ 31.Qe7 ed5 32.Re6 Re6 33.Qe6 Kh8 34.Qe5 fg3 35.fg3 Rf8 36.Rc1 Re8 37.Qf4 Rf8 38.Qe5-/+ Re8 39.Qf4 Rf8?? 40.Qe5-/+ Qe8 41.Qd6? Qe3-+ 42.Kg2 Qf3 43.Kh3 h6 44.Rc7?? Qf5 45.Kg2 Qf1# 0–1. Evans,JS – Romilly,PJ, Staffordshire op, 1975.

    4.Bc4 d5 5.ed5=+ ed5 6.Bb5 Bd7 7.Qe2 Be7 8.Bd7 Nd7 9.0-0=+ Ngf6 10.Bb2 0-0-/+ 11.a3 Re8 12.ab4 Bb4 13.Qb5 a5 14.Qb7?? Rb8 15.Qa6?? Bd2 16.Bf6+- Nf6 17.Nbd2 Ra8 18.Qd3 a4 19.h3 Re7 20.Rfb1 Rea7 21.Nd4 Qd7 22.N2f3 g6 23.Ne5 Qe8 24.Nec6 Ra6 25.Re1 Qd7 26.Re7 Qd6 27.Qa3 Qa3?? 28.Ra3+- Kf8 29.Rb7 Ne4 30.Ne5 R6a7 31.Ra7 Ra7 32.Nec6 Ra8 33.Kf1 1–0. gbsrao (2185) – macedon (2020), net–chess.com, 2007.

    4.e5 Nc6 5.Bb5 a6 6.Bc6 bc6 7.0-0 a5 8.a3 Ba6 9.d3 Bc5 10.Be3 Be3 11.fe3 ba3 12.Na3 Rb8 13.Ng5?? Qg5-+ 14.Qf3 Qe5 15.Qf7 Kd8 16.Rab1 Nh6 17.Rb8 Bc8 18.Qf4+- Qf4 19.ef4 Rf8 20.Nc4 a4 21.g3 d5 22.Ne5 Rf7? 23.Nf7 Nf7 24.Ra1 Kd7 25.Ra4 e5 26.Ra7 Ke6 27.Rc8 Nd6 28.Rc6 ef4 29.Rg7 h6 30.Rg6 Ke5 31.Rcd6 fg3 32.hg3 h5 33.Rge6 Kf5 34.Kf2 Kg4 35.Rd5 h4 36.Re4 Kh3 37.Rh4# 1–0. mberlin (2190) – zeca (1795), net–chess.com, 2009.

    3.f4 d5

    4.ed5 Qd5 5.c4?? (better is 5.Bb2-/+) 5...Qd4-+ 6.Qa4 (6.Nc3 bc3 7.dc3 Qd1 8.Kd1 Bf5-+) 6...Nc6 7.Qb3 Qa1 8.Bd3 Qf6 9.Ne2 Bg4 10.0-0 (10.Bb2 Qd6-+) 10...Rd8 11.Bb2 (11.h3 Nd4 12.Qd1 Ne2 13.Be2 Be2 14.Qe2 Qd4 15.Kh2 Nf6-+) 11...Rd3! 12.Qd3 Qb2 13.Qb3 (13.h3 Be2 14.Qe2 Qa2 15.g3-+) 13...Qb3 14.ab3 Be2 15.Re1 Bd3 16.Kf2 Nd4 17.Ke3 Nc2 18.Kd3 Ne1 19.Ke2 Ng2 20.Kf3 Nh4 21.Kg4 Ng6 22.f5 Ne5 (22...Ne5 23.Kf4 Nd3 24.Ke4 Nc5 25.Kd5 e6 26.fe6 fe6 27.Ke5 Kd7-+) 0–1. May,R – Haas,Bernd, TT/4302 corr BdF, 1994. (=1.e4 c5 2.b4 cb4+=)

    4.e5 Bf5 5.Nf3 Nc6 6.Bb2 e6 7.Bb5 Rc8 (7...a6 8.Be2-/+) 8.d3 (8.a3 Qb6 9.Nd4 ba3-+) 8...Bg4 9.0-0?? (better 9.Bd4-/+) 9...Qb6-+ 10.Kh1 Qb5 11.Nbd2 Nh6 12.Qe1 Nf5 13.Nh4 (13.Nb3 Be7-+) 13...Ncd4 14.Nf5 Nf5 (14...Bf5?! 15.Bd4 Rc2 16.Ba7 Qd3 17.Nb3-+; 14...ef5?! 15.Bd4 Rc2 16.Qe3-/+) 15.h3 (15.a4 Qd7 16.Qb1 Bc5-+) 15...Be2! 16.Rf2 (16.Qe2 Deflection from g3 16...Ng3 A double attack) 16...Rc2 17.Qe2 (17.Re2 Qd3 18.Kh2 Rb2 19.Rc1-+) 17…Ng3 (17...Ng3 18.Kh2 Ne2-+) 0–1. arvek (1840) – juliangon (2585), ChessWorld.net, 2013.

    4.e5 Bf5 5.Nf3 Nc6 6.d4 e6 7.Be2 Qb6 8.0-0 Nh6 9.h3 Be4 10.Be3 Nf5 11.Bf2 Bf3 12.Bf3 Nfd4 13.Bg4 Qc5 14.Nd2 Qc2 15.Nb3 Qd1 16.Rad1 Nb5 17.f5 h5 18.fe6 hg4 19.Rd3 fe6 20.hg4 Nc3 21.Re1 Na2 22.Bc5 Nc3 23.Rf1 Ne4 24.Bf8 Rf8 25.Rdf3 Ke7 White resigned 0–1. arvek (1810) – Bazza3 (2305), ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.f4 d5)

    4.e5 Nh6 5.Nf3 Nc6 6.d4 Bf5 7.Be2 e6 8.0-0 Be7 9.h3 Be4 10.Nbd2 (10.g4 0-0-/+) 10...Bf3 (10...Nf5!? 11.Nb3-+) 11.Nf3-/+ Nf5 12.g4 Ng3 13.Rf2 h5 14.Kg2 (14.g5!?-/+) 14...Ne4 15.Rf1 hg4 16.hg4 Qb6 (16...Nc3 17.Qd3-+) 17.Bb2 0-0-0 18.Qd3 f5 (18...Na5 19.a3 Nc4 20.Bc1-+) 19.gf5-/+ ef5 20.Rh1? (better 20.Qb5 Qc7 21.a3-+) 20...Na5 21.a3?? (21.Rh8 Rh8 22.Rg1-+) 21...Qg6 22.Ng5 Bg5 (22...Bg5 23.Bg4 Be7-+) 0-1. Blitzstream_twitch (2430) - kesarev (2395), Rated Blitz game, 2014. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.f4)

    (–––)

    3.a3 ba3

    4.Ra3 Nf6 5.Nc3 Nc6 6.Nf3 e5 7.Bb2? Ba3-+ 8.Ba3 d6 9.Bc4 0-0 10.0-0 Bg4 11.h3 Bh3?? 12.gh3=+ Qd7 13.Kg2 Nh5 14.Ne2 d5 15.Bf8 dc4 16.Ba3 Qd8 17.c3?? Qd7 18.Rg1 Qe6 19.Ng3 Nf4-/+ 20.Kf1 Qh3 21.Ke1 Rd8 22.Bc1? Nd3 23.Ke2-/+ Nf2?? 24.Kf2+- h5?? 25.Nf5 h4 26.Rh1 Qg4 27.Rh4 Qg6 28.Ba3 Rd3 29.Qh1 Rf3 30.Kf3 Qf6 31.Rh8# 1–0. Pemp_Slider – interloper, ChessWorld.net, 2010.

    4.Ba3 b6 5.Bc4 Bb7 6.Nf3 e6 7.Bf8 Kf8 8.Nc3 d5 9.ed5 ed5 10.Be2 Nf6 11.0-0 Nc6 12.Ra4 a6 13.Nd4 b5 14.Nc6 Bc6 15.Rd4 Qb6 16.Rf4 d4 17.Qb1?? (better is 17.Nb1-/+) 17...dc3-+ 18.Rf6 gf6 19.Qb4 Ke8 20.Re1 cd2 21.Qd2 Kf8 (better is 21...Ra7 22.Bb5 Re7 23.Re7 Ke7 24.Qe2 Kd8 25.Qd3 Kc7 26.Qg3 Kb7-+) 22.Qd6 ½–½. Augstein,Joerg – Roehl,Rainer (2195), Torgelow op–A, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    4.Ba3 b6 5.d4 Bb7 6.Bd3 g6 7.Ne2 Bg7 8.c3 Nf6 9.Ng3 0-0 10.h4 h5 11.e5 Ng4 12.f3 Nh6 13.Ne4 Re8 14.Nbd2 Nc6 15.Ng5 Ne5 16.de5= Be5 17.Qc2 Kg7 18.Bb2 Qc7 19.c4 f6 20.Nge4 d5 21.Nf2 b5 22.Rb1 dc4 23.Bg6+= Red8? 24.Bh5+/- f5 25.Bc3 Rd5 26.f4+- Bc3 27.Qc3 Kh7 28.Nf3 Qf4+= 29.Ng5 Kg8= 30.0-0 a6?? 31.Ne6?? Qe5-/+ 32.Qe1 Qg3 33.Bf3 Re5-/+ 34.Bb7 Re1-+ 35.Rbe1 Rb8 36.Bd5 Kh8 37.Bf3 Qh4 38.Rd1 c3 39.Rd8?? Kh7 -+. Kovacs,L – Gosztolya,Ferenc (2200), Sarospatak op, 1996.

    4.Ba3 Qc7 5.d4 Nc6 6.d5 Na5 7.Nd2 d6 8.f4 a6 9.Ngf3 b5 10.e5 Bg4 11.ed6 ed6 12.Be2 Bf3 13.Bf3 Qb6 14.Qe2= Be7 15.Bb4 Nc4 16.Nc4+= bc4 17.Qc4 Nf6 18.Qc6 Qc6 19.dc6 0-0 20.0-0-0 a5 21.Ba3 d5?? 22.Be7+- Rfe8 23.Rhe1 Rac8 24.Bf6 gf6 25.Re8 Re8 26.Rd5 a4 27.c7 a3 28.Rd8 (28.Rd8 Rf8 29.c4+-) 1–0. gastronomy (1635) – joule, kurnik, 2011.

    4.Ba3 e5 5.Bf8 Kf8 6.Bc4 Nf6 7.Nc3 d6 8.Nge2 Nc6 9.0-0 Be6 10.Be6 fe6 11.Ng3 Qe8 (11...Kf7 12.Qb1+=) 12.f4 ef4 13.Rf4 e5 (better is 13...Ke7!?=) 14.Rf2+= Kg8 15.Qe2 (15.Qb1!?+=) 15...Nd4= 16.Qc4 Qe6 17.Nd5 Nd5 18.ed5 Qg6? (better is 18...Qg4 19.Nf5 h5 20.Nd6 Rh6+/-) 19.c3+- Nc2 (19...b5 20.Qc7 h6 21.cd4 ed4+-) 20.Rb1 (better is 20.Ra7! Re8 21.Nf5+- (worse is 21.Rb7 h6 22.Nf5 Na3+-)) 20...Na3-+ 21.Qf1 (21.Qa4 Qb1 22.Rf1 Qb6 23.Kh1-+) 21...Nb1 (better is 21...Qb1 22.Nf5 Qf1 23.Kf1 Kf7-+) 22.d3?? (better is 22.Nf5 Qe8 23.Qb1-/+) 22...Nc3 23.Rf3 h6 24.Nf5 Re8 (better is 24...Kh7 25.Ng7 Nd5 26.Nf5-+) 25.Ne7 (25.d4 ed4 26.Rg3-+) 25...Re7 26.Rf8 Kh7 27.Rh8 Kh8 28.Qf8 Kh7 29.Qe7 Qf5 30.Qd6 (30.h4 Ne2 31.Kh2 Qf2 32.Qd7 Qg1 33.Kh3 Nf4 34.Kg4 Qg2 35.Kf5 Qg6) 30...Ne2 31.Kh1 Qf1 0–1. Wieczorek,Bruno – Szalek,Marcin, Poland–ch U10 Kolobrzeg, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    4.Ba3 e5 5.Bf8 Kf8 6.Bc4 Nf6 7.d3 d6 8.Ne2 Nc6 9.0-0 h5 10.Nd2 Rh6 11.c3 h4 12.Qb3 Na5 13.Qb4 Nc6 14.Qb3 Na5 15.Qa3 (15.Qb4 A) worse is 15...Nc4 16.Nc4 (worse is 16.Qc4 h3-/+) 16...h3 17.g3+=; B) 15...b6+=) 15...Nc4 (15...b6!?+=) 16.Nc4+= Kg8 17.Qd6 Qd6 18.Nd6 Nh5 (18...a6!? 19.Rfb1 Nd7+=) 19.Nc8 Rc8 20.Ra7 Rb6 21.Ra2 Nf4 22.Nf4 ef4 23.Rc1?? (better is 23.Ra3+/-) 23...Rc3!-/+ 24.Ra8 (24.Rc3 Rb1 Mate attack) 24...Kh7 25.Re1 Rd3 26.Ra5 Rb4 27.h3 b5 28.Ra2 Rd7 29.f3 Rb3 30.Kf2 b4 31.Rc1 Ra3 32.Rb2 b3 33.Rc3 Rb7 34.Ke1 g6 35.Rd3 Kg7 36.Kd2 Ra2 37.Kc3 Kh6 (37...Rb8 38.Rdd2+=) 38.Rdd2 Ra3 39.Rd4 Kg5 40.Rb4 Rc7 41.Kd3 Rd7 42.Kc3 Rd1 43.R4b3 Rb3 44.Kb3 f5 45.ef5 Kf5 ½–½. Serra Pages,Jordi (2105) – Cortes Mamblona,Josep Manuel, Catalunya–ch U18, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 e5)

    4.Ba3 e5 5.Bf8 Kf8 6.Nf3 Nc6 7.Bc4 d6 8.c3 Qf6 9.h3 Be6 10.Be6 Qe6 11.0-0 h6 12.d4 Nce7 13.de5+/- Nc8 14.Na3 a6? 15.Nb5!+- Qd7 16.ed6 Nf6 17.c4 Nb6? 18.Nc7+- Rd8 19.c5 Nc4 20.e5 Ne8 21.Qc2 b5 22.Na6 Rc8 23.Qe4 Qe6 24.Rfe1 g5 25.Nd4 Qd7 26.c6 Qd8 27.d7 Ra8 28.Nb5 1–0. Delmar,Eugene – Mieses,Jacques, Cambridge Springs, 1904.

    4.Na3 a6 5.Bb2 d6 6.Nf3 e5 7.Bc4 Nc6 8.0-0 Be7 9.c3 (9.d4!?=) 9...Nf6-/+ 10.Re1 0-0 11.d4 ed4 12.cd4 Re8 (12...d5 13.ed5 Nd5 14.Bd5 Qd5 15.Nc2-/+) 13.Ba2 White prepares the advance e5 (13.Ng5 Rf8=) 13...Bf8 (13...d5 14.ed5 Nb4 15.d6 Qd6 16.Nc2 Na2 17.Ba3-/+) 14.Bb1 (14.Qb3 d5 (14...Ne4?? 15.Qf7 Kh8 16.Qg8; 14...Re4?? 15.Qf7 Kh8 16.Re4+-) 15.e5 Na5=+) 14...b5 (14...Bg4 15.d5 Ne5 16.Bd4-/+) 15.Qc1 (15.d5 Na5=+) 15...Bb7 16.e5 de5 17.de5 Ng4 18.Qf4 Nce5 (better 18...Nh6=+) 19.Ne5+/- (worse 19.Be5 Bf3 20.Ba2 Ne5 (20...Re5?? 21.Qf7 Kh8 22.Qg8) 21.Re5 Qf6 22.Qf6 gf6 23.Re8 Re8 24.Nb5 ab5 25.gf3 Re2-/+) 19...Ne5 20.Be5 (20.Re5?? Qd1 21.Re1 Re1) 20...Bd6? (better 20...f6!? 21.Bc3 Re1 22.Be1 Qe8+=) 21.Bh7!+- Kh7 22.Bd6 Re1 23.Re1 g5?? (23...Qf6 24.Qf6 gf6+-) 24.Qf5 (24.Qf7 Kh8 25.Be5 Qf6 26.Bf6) 24...Kg8 (24...Kh8 25.Re8! Qe8 26.Be5 Qe5 27.Qe5 Kh7 28.Qf6+-) 25.Be7 (25.Re6 Kg7 26.Re7 Qe7 27.Be7 Rc8 28.Qg5 Kh8 29.Bf6 Kh7 30.Qg7) 25...Qd2 26.Rf1 Re8 27.Bg5 Qb2 (27...Qd5 28.Qg4 Re4 29.Bf4 Kf8 30.Bh6 Ke7+-) 28.Bf6 Qd2 (28...Qf6 29.Qf6 Re6+-) 29.Qg4 Kf8 (29...Qg5 30.Qg5 Kh7 31.Qg7) 30.Qg7 1-0. Mukhina,Jana (2065) - Aghayeva,Gulsanam, Djerba Women Online, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 a6)

    4.Na3 b6 5.Nf3 Bb7 6.Bd3 Na6 7.e5 Nc7 8.0-0 g6 9.Nc4 Bg7 10.Bb2 Nh6 11.h4 (11.Qe2 0-0+=) 11...Ne6 12.Ng5 d5 13.Ne6 fe6 14.Na3 a6 15.f4 Nf5 16.g4 (better is 16.h5-/+) 16...d4?? (better is 16...Nh4 17.Bd4 g5-+) 17.gf5+/- Qd5 18.Qg4 gf5?? (better is 18...ef5 19.Qh3 Qc5+/-) 19.Qg7+- 0-0-0 (19...Qh1 20.Kf2 Qh4 21.Ke2+-) 20.Kf2 Rhg8 21.Qe7 b5 22.Ke1 Rg2 23.Qb4 Rh2 24.Nb5! ab5 25.Qb5 Qb5 26.Bb5 Rh4 27.Ba6 d3 28.Bd3 h5 29.Ba6 Rg4 30.Bb7 Kb7 31.Rf2 h4 32.Ke2 h3 33.Rh1 Rg3 34.Bc3 Kc6 35.Rf3 Rg2 36.Kf1 Rb8 37.Rhh3 Rg4 38.Ke2 Rb1 39.Rf2 Rc1 40.Kd3 Rg7 41.Bd4 Kd5 42.Be3 1–0. Zajarnyi,Anatolyi (2355) – Berechet,Otiliu (2375), Bucharest Candidatilor, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    4.d4 a2 5.Ra2 e6 6.Ba3 Ba3 7.Na3 Nf6 8.Bd3 Nc6 9.Nf3 Nb4 10.Ra1 Nd3 11.Qd3 0-0 12.Nb5 Qb6 13.e5 Ne8 14.0-0 d5 15.Ng5 g6 16.Qh3 h5 17.Qd3 Bd7 18.Rab1 (18.Na3 Rc8=) 18...Qd8 19.h4 a6 20.Nc3 b5 21.Ne2 Ng7 22.Nf4 Nf5 23.f3 Nh4 24.Ngh3 Nf5 25.g4 hg4 26.fg4 Ng7 27.Rf2 Qh4 28.Rg2 Kh7 (better is 28...Rfc8!?-+) 29.Nf2-/+ Qg5 30.Qh3 Qh6?? (30...Kg8 31.Rh2 f5 32.Qh7 Kf7=) 31.Qh6 Kh6 32.Rh2 Kg5 33.Rh7?? (better is 33.N4h3 Kh6 34.Nf4 Kg5 35.N4h3 Kh6 36.Nf4=) 33...Kf4-+ 34.Rg7 a5 35.Rf1 a4 36.Rf7 Rf7 37.Nd3 Kg4 38.Rf7 a3 39.Nb4 a2 40.Na2 Ra2 41.Rd7 Kg3 42.Kf1 Rc2 43.Rb7 Rb2 44.Ke1 Kf3 45.Kd1 g5 46.Kc1 Rb4 47.Kc2 g4 48.Kc3 Rc4 49.Kd3 g3 50.Rb5 g2 51.Rb1 Kf2 52.Rb2 Kg3 53.Rg2 Kg2 54.Ke3 Kg3 55.Kd3 Kf4 (55...Kf4 56.Kd2 Rd4 57.Kc1 Ke3 58.Kc2 Rb4 59.Kc3 Rb6 60.Kc2 d4 61.Kd1 Rc6 62.Ke1 Rc1) 0–1. Verseef,Yvar – Ducarmon,Renzo, NED–ch U12 Rijswijk, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    4.d4 Qa5 5.Bd2 Qa4 6.Nf3 a2 (6...e6!?=) 7.Nc3+= Qa3?? (better is 7...Qa5+=) 8.Nb5+- (worse is 8.Ra2 Qd6 9.Nb5 Qb6+-; 8.Na2?! Qd6+=) 8...Qb2 9.Bc3 Qa1 10.Qa1 Na6 11.e5 e6 (11...d5 12.ed6 ed6 13.Qa2+-) 12.Qa2 Ne7 (12...f6+-) 13.Nd6 Kd8 14.Ng5 Ng6 (14...Rg8 15.Ngf7 Kc7 16.Ba6+-) 15.Ngf7 Kc7 16.Qc4 Kb8 (16...Kb6 17.Ba5! Ka5 18.Qb5) 17.Qc8 1–0. Fritz 11 – headchoper, 2014.

    4.d4 a6 5.Ba3 (worse 5.Ra3 e5 6.Rb3 ed4-/+) 5...b5 (5...Nf6 6.e5 Ne4 7.f3+=) 6.Bd3 Bb7 7.f4 (7.Nf3 e6=) 7...d6 (7...Qc7 8.Nf3 Qf4 9.0-0=+) 8.Nf3= g6 9.0-0 (9.c4 Bh6 10.g3 Nf6=) 9...Bg7 (9...Bh6 10.c4 Bf4 11.cb5=+) 10.Nbd2 (10.Nc3 Nc6 11.Ne2 Qb6=+) 10...Nc6 11.c3 Nf6 12.Qe1 White prepares the advance e5 12...0-0 13.Qh4 Re8 (13...Qb6!?=+) 14.e5= Nh5 15.Be4 (15.Ne4 b4 16.Bb4 Nb4 17.cb4 Rb8=) 15...f5 (15...Qb6!?=+) 16.Bf5= e6 (16...gf5? 17.Qh5 Qd7 18.d5+-) 17.Be4 de5 18.fe5 (18.Qd8 Nd8 19.fe5 Bd5+=) 18...Qh4 19.Nh4 Bh6 20.Nb3 (better 20.Nhf3=) 20...Rac8 (better 20...Nd4!? 21.Bb7 Nb3 22.Ba8 Ra8=) 21.Nc5+- Be3 22.Kh1 Re7 (22...Ba8 A) 23.Na6?! Nd4 24.Ba8 A1) worse 24...Ra8 25.Nc7 (25.cd4?! Ra6 26.Bc5 Ra1 27.Ra1 Nf4=+) 25...Nb3 26.Ne8 Re8 27.Ra2+-; A2) 24...Nc2+=; B) 23.g4 Nf4 24.Nd7+- (24.Na6?! b4 25.cb4 Bd4=+)) 23.Bc1 (better 23.Na6 b4 24.Nb4 Nb4 25.Bb4+-) 23...Bd4?? (better 23...Bc1 24.Rfc1 Nf4+-) 24.cd4 Nd4 (24...Ng7 25.Bg5 Rec7 26.Rfc1+-) 25.Nb7 Ne2 (25...Nb3 26.Bg5 Na1 27.Be7+-) 26.Bg5 Rd7 (26...Rec7 27.Nd6 Rb8 28.Ra6 Nhg3 29.hg3 Ng3 30.Kg1 Nf1 31.Kf1+-) 27.Bf3 (27.Nd6 Rb8+-) 27...Nhg3 (27...Nd4 28.Nd6 Nf3 29.Nf3+-) 28.hg3 Ng3 29.Kh2 Nf1 30.Rf1 Kg7 (30...Rd4 31.Nd6 Rf8 32.Be7+-) 31.Ra1 (better 31.Bf6 Kf7 32.Nd6 Rd6 33.ed6 Kf6 34.Bb7 Ke5 35.Bc8 Kd6 36.Ba6 b4+-) 31...h6 (31...b4 32.Ra6 b3 33.Re6+-) 32.Bf6 Kf7 33.Ra6 Rb7 34.Bb7 Rc4 35.Nf3 (35.Nf3 g5 36.Bc6+-) 1–0. Kutsanyan,Andranik (2230) – Otamendi Munoz,Gilberto (1835), World Youth Open U18, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 a6)

    4.d4 b6 5.Bd3 Bb7 6.f4 Nf6 7.Qe2 d5 8.e5 Ne4 9.Nf3 e6 10.0-0 Nc6 11.c3 Rc8 12.Ng5 Qd7 13.Ba3 Ba3 14.Ra3 h6 15.Ne4 de4 16.Bb5 0-0 17.Ra7 Qc7 18.Rb7 Qb7 19.Ba6 (19.Qe4?! Qd7=) 19...Qa7 20.Bc8 Rc8 21.Qe4 Ne7 22.Qd3 Qa5 23.Rf3 Qa1 24.h3 Ra8 25.Kh2 Ra2 26.Nd2 Qe1 27.Ne4 Ra1 28.Nd6 h5 29.Qe4 Qg1 30.Kg3 Ra2 31.Kh4? (better is 31.Rd3+=) 31...Rg2-+ (31...Qg2 32.f5 (32.Kh5? Nf5 33.Nf5 ef5-+) 32...ef5 33.Nf5 Ng6 34.Kh5-+) 32.Qa8 (32.f5-+) 32...Kh7 33.Qe4 (33.Qh8 Kh8 34.Nf7 Kh7 35.Ng5 Kg6 36.f5 Nf5 37.Rf5 Qe1 38.Rf2 Qf2) 33...Nf5! 34.Nf5 (34.Nf5 Rg4 Mate attack) 34...Rg4!! 35.Kh5 g6 0–1. Meleshko,Vladimir (2135) – Firman,Nazar (2495), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    4.d4 e5 5.Ba3 Ba3 6.Na3 Nc6 7.Nb5 ed4 8.Nf3 =+.

    4.d4 e5 5.Ba3 Ba3 6.Na3 Nf6 7.Nb5= 0-0 8.de5 Ne4 9.Qd5 Nf6? 10.ef6+/- Re8 11.Be2 Qf6 12.Rd1 Na6 13.Nd6 Re6 14.Qd4 Qg6 15.Rd3 Nb4? 16.Qb4 Qg2 17.Qa5 Re2 18.Ke2 b6 19.Qd5 Bb7 20.Qb7 Re8 21.Re3 (21.Re3 Re3 22.Ke3 Qg5 23.Kd3 Qg6 24.Ne4+-) 1–0. Spielmann,Rudolf – Colle,Edgar, Baden–Baden, 1925. Same as the game below. Which is correct?

    4.d4 e5 5.Ba3 Ba3 6.Na3 Nf6 7.Nb5 0-0 (7...d6 8.de5 de5 9.Qd8 Kd8 10.Na7+=) 8.de5 (8.Ra7?? Ra7 9.Na7 Qa5 10.c3 Qc3 (worse is 10...Qa7 11.f3-+) 11.Ke2 Ne4-+; 8.Na7 ed4 9.e5 Re8 10.Qd4 Nc6 11.Nc6 dc6 12.Qd8 Ra1 (12...Rd8?? 13.Ra8 Nd7 14.Nf3+-) 13.Qd1 Re5 14.Be2 Rd1 15.Kd1 Bf5-+) 8...Ne4 9.Qd5 (9.Ra7?? Ra7 10.Bd3 Ra4-+; 9.Na7?? Qb6 10.Qf3 Qb4 11.c3 Nc3-+) 9...Nf6? (better is 9...Ng5!?=) 10.ef6+/- Re8 11.Be2 Qf6 12.Rd1 (12.Ra7 Ra7 13.Na7 Qa1 14.Qd1 Qa7-/+) 12...Na6 13.Nd6 Re6 14.Qd4 (14.Nb7? Nb4 15.Qf3 Qf3 16.Nf3 Nc2 17.Kf1 Bb7 18.Rd7 Rb8-+; 14.Nc8?! Rc8 15.Qd7 Qc3 16.Qd2 Qc6+/-) 14...Qg6 15.Rd3 Nb4? (15...b6 16.Nh3 Nc5=) 16.Qb4 Qg2 17.Qa5 (17.Nc8 Rc8 18.Qd4 Qh1-+) 17...Re2 (17...h6 18.Qd5 Qd5 19.Rd5 b6+-) 18.Ke2 b6 19.Qd5 Bb7 (19...Qd5 20.Rd5 Kf8+-) 20.Qb7 (better is 20.Qf7 Kh8 21.Rg3 Rg8+-) 20...Re8 21.Re3 (21.Re3 Re3 22.Ke3 Qb7 23.Nb7+-) 1–0. Rubinstein,Akiba – Nimzowitsch,Aaron, Bad Kissingen, 1928. (=1.e4 c5 2.b4 cb4 3.a3 ba3) Same as the game above. Which is correct?

    4.d4 e5 5.c3 ed4-/+ 6.cd4 Bb4 7.Nd2 Qe7 8.Qc2 Nc6-+ 9.Ngf3 d5 10.Bb5 Kf8 11.0-0 de4-/+ 12.Bc6 bc6 13.Ne5 Bb7 14.Nc6 Rc8-/+ 15.Nb4 Rc2 16.Nc2 Ke8 17.Ra3 Nf6 18.Ra7=+ Qc7 19.Ne3 Kd7 20.Nb3= Rb8 21.Nc5 Ke8 22.Nc4 Nd7? 23.Rb7+- Rb7 24.Nb7 Ke7 25.Ba3 Kf6 26.Nbd6 Kg6 27.Ne3 Qc3 28.Bc5 Nf6 29.Ndc4 Nd7 30.Nd6 Nc5?? 31.dc5+- Qc5 32.Ne4 Qe5 33.Ng3 h5 34.h4 Qf4 35.Ngf5 Kh7 36.Rd1 g6 37.g3 Qa4 38.Nd4 Kg7 39.Nf3 Qb5 40.Ng5 Qc6 41.Rd4 f6 42.Rc4 Qb6 43.Nd5?? Qb1= 44.Kh2 fg5-/+ 45.hg5 Qa2 46.Rc7 Kf8 47.Rc8 ½–½. Gurkin,A (2155) – Al Sulaiti,G (2135), 19th Czech Infinity Open, 2008.

    4.d4 Nf6 5.e5 Ne4 6.Qe2 a2 7.Qe4 ab1Q 8.Rb1 e6 9.Nf3 Nc6 10.Bd2 d5 11.ed6 Bd6 12.Bd3 f5 13.Qe3 0-0 14.0-0 a5 15.c4 b6 16.Be2 Nb4 17.Rfc1 Be7 18.Ra1 Nc6 19.Bc3 Nb4 20.Bd1 Rf6 21.Ne5 Bb7 22.Bf3 Bf3 23.Nf3 Qc7 24.Qe2 Qb7 25.Bd2 Qe4 26.Qf1 f4 27.Re1 ½–½. Ziebarth,Susanne (1810) – Schlaeger,Michael (2270), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    4.Nf3 e5 5.Ne5= Qh4 6.Qf3 Bb4?? 7.Qf7+- Kd8 8.Qg7 Bd2 9.Bd2 Qe4 10.Be2 Qc2 11.Nf7 Kc7 12.Qe5 Kb6 13.Ba5 Kc6 14.Qd6# 1–0. Bazza3 – interloper, ChessWorld.net, 2010.

    4.Nf3 e6 5.Na3 a6 6.Bb2 d6 7.Be2 h6 8.0-0= Nc6 9.Nc4 b5 10.Ne3 e5 11.Bb5+/- Bb7 12.Ba4 Nf6 13.d4 Ne4 14.d5 Qd7 15.Nc4 Qc7 16.Nfe5 de5 17.dc6 Bc8 18.Be5 Qe7 19.c7 Bd7 20.Rb1 Rc8 21.Rb8 Qc5 22.Qd7# 1–0. Bazza3 – Pemp_Slider, ChessWorld.net, 2010.

    4.Nf3 e6 5.d4 d5 6.ed5 Qd5 7.Nc3 Qa5 8.Bd2 Bb4 9.Nb5= Bd2 10.Nd2 Nc6 11.Ra3 Qd8 12.Nc4 Nf6 13.Nbd6 Kf8 14.Bd3 g6 15.0-0 Kg7 16.Qf3 Nd4-/+ 17.Qf4 Nf5 18.Bf5+= ef5 19.Rd1 b6 20.Qf3 Be6 21.Nf5 Bf5 22.Rd8 Rhd8 23.h3 Bc2-/+ 24.Nb6? Be4-+ (24...Be4 25.Qb3 ab6 26.Ra8 Ra8 27.Qb6 h5-+) 0–1. gbsr (1950) – gregorgysi (2030), net–chess.com, 2009.

    4.Ra3 e5-/+

    5.Ra4 -/+.

    5.d4? Ba3-+ 6.Ba3 Nc6 7.Bc4 Qa5 8.Qd2 Qd2 9.Kd2 Nd4 10.Nf3 Nf3 11.gf3 a6 12.Rg1 b5 13.Bd5-/+ Rb8 14.Rg7 Ne7 15.Ba2? b4-+ 16.Bb2 f6 17.Bb3 Kf8?? 18.Rf7=+ Ke8 19.Rf6 Nc6?? 20.f4?? Rf8 21.fe5 Rf6 22.ef6 Bb7 23.Bd5 Na5-/+ 24.Be5 Rc8 25.Bf4? Bd5-+ 26.ed5 Kf7 27.Kd3 Kf6 28.Nd2 Kf5 29.Bg3? h5 30.Nf3?? Kg4 31.Ne5 Kh3 32.Nd7 Rc3 33.Kd4 Rc2 34.d6 h4 35.Be5 Nc6 36.Kd3 Rf2 37.Bg7 Rf7 (37...Rf7 38.Ne5 Rg7 39.Nc6 Rd7 40.Nb4 Rd6 41.Ke4 Kh2-+) 0–1. crisuskeer (1740) – flaviolucas (2120), net–chess.com, 2008.

    5.Re3 Bc5 6.Rg3 Qb6-+ 7.Rg7?? Bf2 8.Ke2 Bg1 9.Ba3 Qf2 10.Kd3 Qd4 (10...Qd4 11.Ke2 Qe4) 0–1. Pemp_Slider – Bazza3, ChessWorld.net, 2010.

    5.Nf3 Nc6 6.Bc4? (better 6.Ra4-/+) 6...Ba3-+ 7.Ba3 d6 8.c3 (8.Nc3 a6-+) 8...Nh6 (8...Nf6 9.d3-+) 9.d4 0-0 (9...a6!? 10.Qd3-+) 10.de5-/+ de5 (10...Re8 11.Bd6 Bg4 12.Bb5-+) 11.Bf8 Qd1 (11...Kf8?! 12.Qd8 Nd8 13.Ne5=; 11...Qf8?! 12.0-0-/+) 12.Kd1 Kf8 0–1. Araujo,Rafael Moreira (2195) – Dias,Anderson Tatsch (2205), Campo Mourao BRA, Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ra3 e5)

    4.Ra3 e6

    5.Nc3 Nc6 6.Nf3 a6 7.Ra1 d5 8.ed5 ed5 9.d4 (9.Bd3 Nf6-/+) 9...Nf6 10.Bd3 Bb4 11.Bd2 Qe7 12.Ne2 (12.Qe2 Qe2 13.Ne2 Bg4-/+) 12...0-0 (12...Bd2!? 13.Qd2 Bg4 14.Kd1-+) 13.0-0-/+ Bd2 14.Qd2 Ne4 (14...Bg4 15.Qf4-/+) 15.Qe3 Re8 16.c4 (better 16.Rfe1!?-/+) 16...dc4-+ 17.Bc4 Nd6 18.Qe7 Re7 19.Bd3 Bf5 (19...Bg4 20.Rfb1-+) 20.Nf4 (20.Bf5 Nf5 21.Rfe1 Rae8-+) 20...Bd3 (20...Be4 21.Be4 Re4 22.d5-+) 21.Nd3-/+ Rd8 22.d5 Nb8 23.h4 h6 24.Nf4 Nd7 25.Rfc1 Nf6 26.Rab1 Re4 27.g3 Ree8 28.Rc7 Rd7 29.Rd7 Nd7 30.Nd4 Nf6 31.Rb6 Rd8 32.f3? (better 32.Nf3-+) 32...g5 33.hg5 hg5 34.Nd3 Nd5 35.Rb3 (35.Rb1 a5-+) 35...Ne3 36.Ne5 Ndc4 37.Nc4 Nc4 38.Nf5 b5 39.Rb1 (39.Kf2 Rd2 40.Ke1 Rg2-+) 39...Rd2 40.Re1 (40.Kf1 Kf8 41.g4 Kg8-+) 40...Kf8 (40...a5 41.f4-+) 41.g4 b4 42.Re4 (42.Re7 Kg8 43.Rb7 a5-+) 42...Rc2 43.Rd4 (43.Nd4 Rc1 44.Kf2-+) 43...Ke8 (better 43...Kg8 44.Rd8 Kh7-+) 44.Rc4-/+ Rc4 (better 44...b3 45.Re4 Kd8-+) 45.Nd6= Kd7 46.Nc4 Kc6 47.Kf2 Kc5 48.Nd2 Kd4 49.Ke2 Kc3 50.Kd1 Kd3 (50...b3 51.Ne4 Kb2 52.Kd2-/+) 51.Ne4= b3 (51...Ke3 52.Ng5 f6 53.Ne4 Kf3 54.Nf6=) 52.Kc1 (52.Ng5 b2 53.Ke1 Ke3 54.Kf1 b1Q 55.Kg2 Qb2 56.Kg1 f6 57.Nh3 Kf3 58.Nf4 Qc1 59.Kh2 Qf4 60.Kh1 Qg4 61.Kh2 Qg2) 52...a5?? (better 52...Ke3=) 53.Ng5+- a4 54.Kb2 Kc4 55.Ne4 (better 55.Nf7 Kb4 56.Nd6 a3 57.Ka1+-) 55...Kb4 56.Nd2 (better 56.Kb1 a3 57.f4+/-) 56...a3= 57.Kb1 Kc3 58.Nb3 Kb3 59.f4 Kc4 60.f5 Kd5 61.g5 Ke5 62.g6 fg6 63.fg6 Kf6 64.g7 Kg7 65.Ka2 ½-½. Rothuis,V (2345) - Grachev,B (2610), Katara Bullet Final, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ra3)

    5.Rg3 Nc6 6.d4 d5 7.e5 f6 (7...Qb6 8.Be3-/+) 8.ef6 (8.Qh5!? Kd7 9.Nf3+=) 8...Nf6-/+ 9.Bd3 (9.Ne2 Ne4 10.Re3 Bd6-/+) 9...Qb6 (9...Nd4!? 10.Bb2 Nc6 11.Nf3-+) 10.c3-/+ g6 (10...e5 11.de5 Ne5 12.Qe2-/+) 11.Ne2 Bg7 12.Ba3 Bd7 (12...e5 13.de5 Nh5 14.Re3-/+) 13.0-0 0-0-0 (13...e5 14.de5 Ne5 15.Re1-/+) 14.c4 (14.Bc5 Qa5=) 14...dc4 (14...Nd4 15.Nd4 Qd4 16.Qc2-/+) 15.Bc5 (better is 15.Bc4!? e5 16.Rb3=) 15...Qc7-/+ 16.Bc4 e5 (16...Ne4 17.Re3 Nc5 18.dc5-/+) 17.d5 (better is 17.Na3!? Nd4 18.Ba7=) 17...Na5-/+ 18.Rc3?? (better is 18.Ba2 Ne4 19.Be7 Ng3 20.Ng3+=) 18...b6 (better is 18...Ne4 19.Rc2 Nc5-+ (19...Qc5 20.Ba2+/-)) 19.Be7?? (better is 19.Ba6 Kb8 20.Bb4+/-) 19...Nc4-+ 20.Bd8 Rd8 21.Qb3 b5-+ 22.Nd2 Nd5 23.Rc2 Ndb6 24.Rfc1 Be6 25.Qb5 Kb8 26.Nc4-/+ Bc4 27.Qb4? Qd6-+ 28.h3 Qb4 0–1. Bernardo,Jose – Zhu,Josh, Dos Hermanas Internet qual–B, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    4.Ba3 a6

    5.Bc4 d6 6.Nf3 Bg4 7.Bf7!+/- Kf7 8.Ng5 Ke8 9.Qg4 Qd7 10.Qf3 Nf6 11.Qb3 d5 12.e5 Ne4 13.e6 Qb5 14.Ne4 de4 15.Nc3 (15.Qb5!? ab5 16.Kd1 b4+/-) 15...Qb3+/- 16.cb3 Nc6 17.Nd5 Kd8 (17...Rc8!? 18.Rc1 h5+/-) 18.Bc5+- Rc8 19.Bb6 Ke8 20.Nc7 Rc7 21.Bc7 g6 22.0-0 Bg7 23.Rae1 Bh6 (23...Rf8 24.Re4 Rf5 25.Rc1+-) 24.Re4 Bd2 (24...Rf8 25.Rd1 Rf5 26.d4+-) 25.Rd1 (25.Rd1 Ba5 26.Ba5 Na5 27.Rb4+-) 1–0. Guerra Arrocha,Daniel (1845) – Quevedo Sarmiento,Jacinto, Las Palmas ESP, 6th Montalvo Mem, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.d4 g6 6.c4 Bg7 7.e5 (7.Nf3 Nc6 8.Bb2 d6=+) 7...Qc7 (7...d6 8.ed6 Nc6 9.Nf3 Nd4 10.Nd4 Qa5 11.Qd2 Qe5 12.Be2 Qd4 13.Ra2-/+) 8.f4 Nc6 (better 8...d6 9.Nc3 Be6=+) 9.d5?? (better 9.Nf3=) 9...Ne5!-+ 10.Bb2 (10.fe5 Qe5 Double attack) 10...Nd3! 11.Bd3 (11.Qd3 Bb2 Discovered attack; 11.Bd3 Bb2 Discovered attack) 11...Bb2 12.Ra2 Bg7 13.Ne2 d6 14.0-0 White plans f5 14...Bg4 15.h3 Be2 (15...Bd7 16.Qb3-+) 16.Re2 h5 17.f5 g5 18.Re4 (18.Nd2 g4-+) 18...Nf6 19.Re2 Nd7 20.Rfe1 (20.Nd2 g4-+) 20...Be5 (20...Ne5 21.Re4-+) 21.Nd2 g4 22.Ne4 f6 (22...gh3 23.gh3 Nc5 24.Nc5 Qc5 25.Kh1-+) 23.Qc1 (23.h4 Nc5-/+) 23...Kf7 (23...gh3 24.gh3 Nc5 25.Nc5 Qc5 26.Kh1-+) 24.Rc2 (24.h4 Nc5 25.Nc5 Qc5 26.Kf1 Kg7-+) 24...b6 25.Qe3 Rag8 26.h4 a5 (26...Nc5 27.Ra2-/+) 27.Rb1 Nc5 28.g3 (28.Rb5 Ra8-/+) 28...a4 (28...Ne4 29.Be4 Qc5 30.Qc5 bc5 31.Kf2-+) 29.Ra2 (29.Kg2 Ra8-/+) 29...Ra8 (29...Ne4!? 30.Qe4 Bg3 31.Ra4-+) 30.Kg2-/+ Ra5 31.Be2 Nb3 32.Nc3? (32.Bd3 Kg7-/+) 32...Qc5 (32...Bc3 33.Qc3 Rd5 34.Bd3-+) 33.Qc5 (33.Qd3 Bc3 34.Qc3 Qd4 35.Qd4 Nd4 36.Rb6 Nf5-+) 33...Nc5 (worse 33...bc5 34.Nb5 Nd4 35.Nd4 Bd4 36.Ra3-+; worse 33...Rc5 34.Na4 Nd4 35.Nc5 bc5 36.Bd3+/-; 33...dc5?! 34.Nb5-+) 34.Nb5 Ne4 35.Ra3 Rc8 36.Rb4 Nc5 (36...Bg3!? 37.Re3-+) 37.Bd1 Rca8 (37...Ra6!?-+) 38.Nc7-/+ Na6 (38...Rb8!? 39.Bc2 Kg8-/+) 39.Na6 R5a6 40.Rba4 Ra4 (40...Ra5 41.Bb3=+) 41.Ra4 (41.Ba4 Bb2 42.Ra2 Bd4=) 41...Rc8=+ 42.Bb3 (42.Rb4 Bc3 43.Ra4 Rc5=+) 42...Bc3 (42...b5 43.Rb4 bc4 44.Rc4=+) 43.Ra7 Ba5 44.Rb7 (44.Ra6!?=) 44...Ra8-/+ 45.Ba4 Be1 46.Bd7 (better 46.Bb3!? Ra1 47.Rb6-/+) 46...Ra2-+ 47.Kf1 Bg3 48.Be6 (48.Rb6 Bh4 49.Rb8 Kg7-+) 48...Kf8 49.Rb8 Kg7 50.Rb7 (50.Rb6 Bh4 51.Rb7 Bg3 52.Re7 Kh6-+) 50...Bh4 51.Re7 Kh6 52.Bf7 (52.Re8 Rf2 53.Kg1 Rc2-+) 52...Bg3 53.Bg6 (53.Re4 Kg5 54.Re8-+) 53...h4 54.Re3 (54.Rh7 Kg5 55.Bh5-+) 54...Be5 (better 54...h3 55.Re8 Ra1 56.Ke2 Re1 57.Kd2 Re8 58.Be8 Bf4 59.Kc3-+) 55.Re1 (55.Re4 Kg5 56.Re2 Re2 57.Ke2 h3-+) 55...Kg5 (55...h3 56.Re2 Re2 57.Ke2-+) 56.Kg1 h3 (56...h3 57.Bf7 g3 58.Be6 Bd4 59.Kh1 Rh2) 0-1. Danielsson,S (1725) - Jonsson,Stefan G, Icelandic Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3)

    5.Nf3 e6 6.Bf8 Kf8 7.d4 d5 8.e5 Ne7 9.Bd3 Nbc6 10.c3 g6 11.h4 h5 12.0-0 Rb8 13.Qd2 Kg7 14.Ng5 b5 15.Qf4 Nf5 16.Bf5 gf5 17.Nd2 a5 18.Rfd1 b4 19.c4 (19.Rdc1!?+=) 19...Ne7 20.Qg3 Kf8 (20...Ng6 21.f4+=) 21.cd5 Qd5 22.Rac1 (22.Nb3 Rb5+=) 22...a4 23.Nc4 Bd7 24.Nd6 Be8 25.Rc5 (25.Rc7 Bc6+=) 25...Qa8 (better is 25...Qa2=) 26.Ne6?? (better is 26.Rc7!?+=) 26...fe6+= 27.Qg5 Bf7?? (27...Rh7 28.Rc7 Rg7 29.Qf6 Kg8=) 28.Rc7+- Re8 29.Nf7 Rg8 30.Qh6 Rg7 31.Ng5 Kg8 32.Qe6 Kh8 33.d5 b3 34.Qh6 Kg8 35.d6 b2 36.Qe6 Kh8 37.de7 a3 38.Qa2 Ree7 39.Re7 Re7 40.Ne6 Rb7? 41.Kh2 Qb8 42.Rd8 Qd8+= 43.Nd8 b1Q 44.Qa3 Qb4 (44...Qb4 45.Qb4 Rb4+=) 0–1. Kamenik,Martin (2065) – Bazilevitch,Jurij (2075), Decin op–A, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    4.Ba3 Nc6

    5.Bb5 a6 6.Bd3 d5 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 Nf6 -/+.

    5.c3 d6 6.d4+= Nf6 7.Bd3 e6 8.Nf3 Be7 9.Qe2 0-0 10.h4 (10.–0 e5+=) 10...Re8 11.e5 de5 12.de5 Nd5 13.Be7 (13.Bh7 Kf8 14.h5+=) 13...Re7-/+ (worse is 13...Nde7 14.Qe4 Ng6 15.h5=) 14.Qe4 g6 (14...f5!? 15.ef6 Nf6-/+) 15.h5+= Rd7 (15...f5 16.Qh4 Rd7 17.hg6 Qh4 18.Rh4 (worse is 18.Nh4 Ne5 19.Bb5 Rc7-+) 18...hg6 19.Bb5+=) 16.Qg4 (16.hg6 fg6 17.Bc4 Qc7=) 16...Nde7 (better is 16...Nf6!? 17.ef6 Rd3-/+) 17.Bc2= Nf5 18.0-0 (18.Nbd2 Qc7 19.Qf4 Nce7=) 18...b5 19.Bb3 (19.Na3 Rb8+=) 19...Qe7 20.Re1 Bb7 21.Nbd2 Rc8 22.Ne4 Kg7 23.Qg5 (better is 23.hg6!? hg6 24.Bc2+=) 23...Qg5-/+ 24.Nfg5 Re7 (24...Ne5 25.Be6 fe6 26.Ne6 Kh6 27.N4c5-/+) 25.hg6 (25.Nd6 Nd6 26.ed6 Rd7 27.Nf7 A) worse is 27...Kf7 28.Be6 Ke8 29.Bg4 Kd8 30.Re6+= (worse is 30.Bd7 Kd7 31.Rad1 Rf8-/+); B) 27...Rf7 28.Be6 gh5+=) 25...hg6 (25...Kg6 26.f4 h5 27.Nd6 Nd6 28.ed6-/+) 26.g4+= Nh6 27.f3 Rd8 28.Kf2? a5 29.Bc2? Ne5 30.Ra5-/+ Be4 31.Ne4 Rb8 32.Nd6= Nc4 33.Rb5 Rb5 34.Nb5 Rb7 35.Nd4 e5 36.Ne2 Rb2 37.Bd3 Nd6 38.Rb1 Rb1 39.Bb1 Nc4 40.Bd3 Nb2= 41.Ke3 Na4 42.c4 Nc5 43.Kd2 f5= 44.gf5 gf5 45.Kc3 Nd3 46.Kd3 Kf7 47.c5 Ke7 48.Kc4 Ke6 49.c6 Nf7 ½–½. Garcia,Shaina Grace – Sebastian,Mhage Gerriahlou, San Antonio PHI, Ch Girls U10, 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6)

    5.c3 Nf6!? 6.Qa4 d5 -/+.

    5.c3 Nf6 6.Qe2 -/+.

    5.c3 Nf6 6.f3 d5 7.ed5 Nd5 8.Qb3 -/+.

    5.c3 Nf6 6.f3 g6 7.d4 d5 8.Qa4 (8.Qb3 de4 9.fe4 Ne4-/+) 8...de4 9.Nd2 ef3 10.Ngf3 Bg7 11.Bc4 0-0 12.Ne5? (better is 12.0-0-+) 12...Ne5 13.Be2 (13.de5 Ng4 14.Bc5-+) 13...Nc6 14.h4 (14.Bf3 Nd5 15.Qb3 Nc3 16.Qc3 Bd4-+) 14...Bg4 15.Rb1 (15.Bf3 Bf3 16.Nf3 Nd5-+) 15...Qc7 16.Nc4 (16.Nf1 Ne4 17.Bb2 Qf4 18.Bg4 Qf2 19.Kd1 Qg2-+) 16...Rfe8 (better is 16...Qg3 17.Kd1 Be2 18.Ke2 Qg2 19.Kd1 Qh1 20.Kc2 Qe4 21.Kc1 Bh6 22.Kb2-+) 17.Qb5 (17.Bg4 Qg3 18.Kd1 Qg4 19.Kc1 Bh6 20.Kb2-+) 17...Qg3 18.Kd1 Qg2 (better is 18...Qd3! 19.Nd2 Be2 20.Ke1 Qb5 21.Rb5 Bb5 22.Kf2-+) 19.Re1 Ne4 20.Qb7 Nc3 21.Kc1 Nb1 (21...Ne2 22.Re2 Qe2 23.Nd2 Qd1 24.Kb2 Bd4 25.Ka2 Qd2 26.Qb2 Be6 27.Ka1 Bb2 28.Bb2 Qa5 29.Ba3 Qa3) 22.Kb1 Rab8 23.Qb8 Rb8 24.Ka2 Bd4 25.Be7 Be2 26.Ka3 Bc4 27.Re4 Qb2 28.Ka4 Bb5# (28...Qb3) 0–1. Szymczak,Grazyna – Rusak,Jan, 400 lat miasta Poland, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.c3 ba3 5.Ba3 Nf6)

    5.c3 g6 6.d4+= Bg7 7.f4 (7.Bc4 d6+=) 7...d6 8.Nf3 Qc7 9.Bc4 Bg4 (better is 9...Nf6!? 10.e5 Nh5+=) 10.Bf7+= Kf8 11.Ba2 Nf6 (11...Bf3 12.gf3 Ke8 13.f5+=) 12.Qb3 Nd8 13.e5 Be6 14.Qb4 (worse is 14.ef6 Bb3 15.fg7 Kg7 16.Bb3 Rf8=) 14...Nc6? (better is 14...Ne4+=) 15.Qb5+- (15.ef6 Nb4 16.fg7 Kg7 17.cb4 Ba2 18.Ra2 e6+=) 15...Ba2 16.ef6 (16.Ra2?! a6 17.Qb3 Ne8+/-) 16...Bb1 17.fg7 (17.Qb1 Bf6 18.0-0 Kg7+=) 17...Kg7 18.Rb1 Nd4 (18...Nd8 19.Qd3+-) 19.cd4 (19.Nd4?! Qc3 20.Ke2 Qa3 21.Qb7 Qa2 22.Kf3 Rhe8+-) 19...Qc3 20.Ke2 Qa3 (20...a5 21.Qb7 Kf6+-) 21.Qb7 (better is 21.Ra1 Qc3 22.Rhc1 Qa1 23.Ra1+-) 21...Qa2 22.Nd2 Qe6 23.Qe4 Qg4 24.Kf2 e5 (24...Rhf8 25.g3 Kf6 26.Qb7+-) 25.de5 Rae8 (25...Rhf8 26.Nf3 d5 27.Rb7 Kh8 28.Qd4 Rf4 29.Qd5+-) 26.Nf3 Rhf8 27.g3 Rf5 1–0. Audisio,Cristobal – Gaitan,Sebastian, Rubinstein Memorial op, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6)

    5.Nc3 d5 6.Nd5 e6 7.Bf8 Kf8 ½–½. Hunt,Peter – Schwierz,Kevin, Canarias en Red prel 5th blitz, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6)

    5.Nc3 Nf6 6.Bc4 a6 7.Nf3 d6 (7...b5 8.Bd5+=) 8.Bb2 Bg4 9.Qe2 (9.0-0 Nd4+=) 9...e6-/+ 10.Qe3 Be7 11.d4 (11.Bb3!?-/+) 11...d5 (11...Bf3 12.Qf3 b5 13.Bd3-+) 12.Be2 (12.ed5!? ed5 13.Bd3 0-0-+) 12...de4-+ 13.Ne4 Ne4 14.Qe4 Bf5 15.Qe3 (15.Qf4 Nb4 16.Bd1 Bc2-+) 15...Nb4 16.0-0? (16.Bd1-+) 16...Nc2 (16...Bc2?! 17.Ba3 Rc8 18.Qd2-/+) 17.Qe5 Na1 18.Ra1 0-0 19.Qg3 (19.Qe3 Qb6 20.Bc1 Rfd8-+) 19…Bd6 (19...Bd6 20.Qh4 Rc8 21.Qd8 Rfd8-+) 0–1. Mainar,G – Braga,Fernando (2455), Zaragoza op, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6)

    5.Nc3 Nf6 6.d4 d6 7.Nf3 Bg4 8.Be2 g6 9.e5 de5-/+ 10.d5 Bf3 11.Bf3 Nd4 12.0-0 Bg7 13.Re1 Nf3 14.Qf3=+ Nd7 15.Rab1 b6 16.d6 ed6 17.Bd6= Rc8 18.Rbd1 Qf6 19.Qg3 Qf5 20.f4 f6 21.Nb5 Kd8? 22.Na7 Rc4 23.Qf3 e4 24.Qb3 Qe6 25.Rd4!! f5 26.Qc4 (26.Qc4 Qc4 27.Rc4+-; 26.Rc4?! Qd6 27.Rc8 Ke7 28.Nc6 Kf6 29.Rh8 Bh8 30.Qb2 Kf7 31.Nd8 Ke7 32.Qh8 Qc7+-) 1–0. Forman,M2 (1910) – Hampel,R (1835), Ricany CZE, Open, 2011.

    5.Nc3 g6 6.d4 Bg7 7.Qd2 Nf6 8.Nf3 0-0 9.h4 d6 10.Bd3 Bg4 11.Qf4 Bh5 12.Qe3 Re8 13.Ng5? a6 14.Bb2 b5 15.f4? Ng4-+ 16.Qg3 Nd4 17.Ne2? Ne2 18.Ke2 Bb2 19.Rab1 Bg7 20.Kd2 Qa5 21.Kc1 Qa3 22.Kd2 Qc3 23.Ke2 Rac8 0–1. inznorek (1710) – halmagean1 (1725), kurnik, 2011.

    5.Bc4 a6 6.Qh5 g6 7.Qf3 Ne5 8.Qc3 Bg7 9.Ra2 Qb6 =+.

    5.Bc4 d6 6.d4 g6 (6...b5 7.Bd3 Nd4 8.Nf3 Nf3 9.Qf3-/+) 7.c3 (7.Nc3 Nf6 8.Nge2 a6-/+) 7...Bg7 8.Nf3 Nf6 9.Nbd2 0-0 10.h4 (10.0-0 a6+=) 10...h6 (10...d5 11.Bd3 Re8-/+) 11.Nh2? (better is 11.0-0!?+=) 11...d5-+ 12.Be2 (12.ed5 Nd5 13.Qf3 Be6-+) 12...Ne4 (12...de4 13.Ng4 Nd5 14.Bb2 Bg4 15.Bg4-+) 13.Ne4 de4 14.g4 (14.Ng4 b5! 15.h5 b4 16.Bb4 Nb4 17.cb4 Qb6-+) 14...b6 (14...Qd5 15.Nf1 e3 16.Bf3-+) 15.f4 (15.h5 Qd5-+) 15...ef3! 16.Bf3 (16.Bf3 Qc7 Combination; 16.Nf3 Bg4 Deflection) 16...Bb7 17.Be4 (17.0-0 Qc7-+) 17...Qc7 18.Qf3 (18.Kf2 Rad8 19.Nf3 Nd4 20.Bb7 Nc6-+ (20...Qb7?! 21.cd4 Rfe8 22.Qe2=)) 18...Na5 (better is 18...Bd4 19.cd4 Nd4-+) 19.Bb7 Qb7 (19...Nb7 20.0-0-+) 20.Kf2 (20.Qb7 Nb7 21.Nf3 f5-+) 20...Qf3 21.Nf3 Rfe8 22.Rhe1 e6 23.Nd2 Bf8 24.Bb2 Be7 25.Rh1 Rec8 26.Ra4 Nb7 27.Ke3 Nd6 28.Kd3 f5 29.g5? hg5 30.hg5 Bg5 31.Nf3 Bf4 32.Raa1 Nc4 33.Bc1 Bc1 34.Rac1 b5 35.Rcg1 Kg7 36.Ng5 e5?? 37.Rh7+- Kg8 38.Rgh1 e4 39.Ke2 Nd6?? 40.R1h6 Kf8 41.Ne6 Ke8+- 42.Rg6 Nf7 43.Ng7 Kf8 44.Nf5 Rd8 45.Rf6 Ke8 46.Rhf7 a5 47.Re7 1–0. Szurkos,Andras (1740) – Greibrokk,Ingrid Andrea (1630), First Saturday FM–B March, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 ba3 4.Ba3= Nc6)

    5.Bc4 d6 6.Nf3 e6 7.0-0 Nf6 8.Re1 Be7 9.Nc3 0-0 10.Qe2 a6 11.Bb2 b5 (better is 11...Bd7!?-/+) 12.Bb5= Bb7 (better is 12...Rb8!? 13.Bc6 Rb2=) 13.Ba6+/- Ba6 14.Ra6 Ra6 15.Qa6 Nb4 16.Qb7 (better is 16.Qa4 Qb6 17.Nb5 Nc2 18.Bf6 gf6 19.Rc1+/-) 16...Nc2?? (better is 16...Qb8 17.Qb8 Rb8+=) 17.Rc1+- d5 18.Rc2 de4 19.Ne4 Ne4 20.Qe4 1–0. Wall,William Dale – Cougar, corr, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6)

    5.Bc4 d6 6.Nf3 Nf6 7.Nc3 g6 =.

    5.Bc4 Nf6 6.Nc3 a6 7.Nf3 d6 (7...b5 8.Bd5=+) 8.h3 (8.0-0 Bd7=) 8...e6=+ 9.0-0 (9.Bd3 b5 10.Rb1 Be7-/+) 9...b5 10.Bb3 (10.e5 Nd7 11.Bb3 de5 12.Bf8 Kf8 13.Nb5 Nc5-/+) 10...Be7 (10...Bb7!? 11.d4 Rc8=+) 11.d4= 0-0 12.e5 (12.d5 ed5 13.Nd5 Ne4=) 12...de5=+ 13.Be7 Ne7 (13...Qe7 14.de5 Nd7 15.Nb5 Nde5 16.Ne5 Ne5 17.Nd6=+) 14.de5= (worse 14.Ne5 Bb7-/+) 14...Nfd5 (14...Nd7!? 15.Nb5 Bb7=) 15.Nb5+- Qb6 (15...Rb8 16.Nd6+-) 16.Nd6 Bd7 (16...Rb8 17.Bd5 Nd5 18.c4+-) 17.Qd2 (17.c4 Nf4 18.g3+-) 17...Rfb8? (17...Qb4 18.Qb4 Nb4 19.Rfd1+=) 18.Rfb1 (18.Rab1 Qc5 19.c4 Nb6+-) 18...Qc5? (18...Qb4!? 19.Bd5 Qb1 20.Rb1 Rb1 21.Kh2 ed5+-) 19.c4+- Nb6 (19...Nb4 20.Ng5 Ng6 21.Ndf7 Ne5 22.Ne5 Qe5 23.Re1+-) 20.Qf4 (20.Ra5 Qc7+-) 20...Rf8 (20...Ng6 21.Qf7 Kh8 22.Ba4 Ne5 23.Qe7 Nf3 24.gf3 Na4 25.Rb8 Rb8 26.Ra4+-) 21.Ne4 (better 21.Bc2 Nf5 22.Ng5+- (worse 22.Nf5 ef5 23.Bf5 Bf5 24.Qf5 Nc4+-)) 21...Kh8?? (21...Qc7 22.Qg5 Bc6 23.Nf6 Kh8 24.c5+=) 22.Qg3 (better 22.Nc5 Ng6 23.Qe3+-) 22...Qc7+- 23.c5 Nbd5 24.Re1 (24.Nd4 a5+-) 24...Bc6 (24...f5 25.ef6 Qg3 26.fg3 gf6 27.Nd6+-) 25.Bc2 (25.Nd4!?+-) 25...Nb4+= 26.Bb1 a5 27.Neg5 (27.Qg4 Be4 28.Qe4+= (worse 28.Re4 Rad8=)) 27...Bf3? (better 27...h6 28.Ne4 Rab8=) 28.gf3?? (better 28.Nh7 Bh5 29.Qh4+-) 28…Nbd5 ½–½. Valencia,Carlos Antonio (1885) – Ramirez,Jorge Alonso (1990), IRT Championship Municipal de Mayores A, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6)

    5.Bc4 Nf6 6.d3 g6 7.Ne2 Bg7 8.Bb2 Qc7 9.0-0?? (better is 9.Nbc3+=) 9…Ng4-+ (9...Ng4 10.Ng3 Bb2-+) 0–1. Baldino – Moore, Dayton, 1980. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6)

    5.Bc5 Nf6 6.Nc3 e5 7.Be3 d5 8.ed5 Nd5 9.Nd5 Qd5 -/+.

    5.d4 Qb6 6.c3 Nf6 7.Bd3 Qa5 8.Nf3 Qc7 9.e5 Nd5 10.0-0 h6 11.Be4 Nf4 12.Qc2 Na5 13.Nbd2 Nc4 14.Nc4 Qc4 15.Rfe1 g5 16.g3 Rg8?? 17.gf4+- gf4 18.Kh1 Qe6 19.Bf5 Qc6 20.Qe4 Qc3 21.Rec1 Qb3 22.d5 e6 23.de6 Ba3?? 24.ef7 Kf7+= 25.Rcb1 Qc3 26.Qd5 Kg7?? 27.Qe4 Kf7 28.Rd1 Qc6?? 29.Rd5 Be7?? 30.Rad1 b6?? 31.Bd7 Bd7-/+ 32.Rd7?? Qe4-+ 33.e6 Kf6 34.R7d3 Rad8 35.Re1 Qd3 36.Nh4 Qd5 37.f3 Rc8 38.Ng2 Rc2 39.Nf4 Qf3 40.Ng2 Qg2# 0–1. duraczina (1765) – joule (1630), kurnik, 2011.

    5.d4 e6 6.c3 Ba3=+ 7.Na3 Nge7 8.f4 d5 9.e5 Ng6 10.Bd3? Nf4-+ 11.Nf3 Nd3 12.Qd3 h6 13.Nb5 0-0 14.0-0 Bd7 15.Nd6 b6 16.g3 Na5 17.g4 Qc7 18.g5 Nc4 19.gh6 Nd6 20.hg7 Nf5 21.gf8Q Rf8 22.Ng5 Qc4?? 23.Qh3+- Rc8 24.Qh7 Kf8 25.Qf7 1–0. gregorius43 – vesennia, kurnik, 2011.

    5.d4 Nf6 6.Nd2 Nd4-/+ 7.e5 Qa5-+ 8.ef6 Qe5 9.Ne2 Nc2! 10.Qc2 Qa1 11.Bc1 Qf6 12.Nc3 Qc6 13.Bd3 g6 14.0-0 Bg7 15.Bb2 0-0 16.Qb3 Qb6 17.Qb6 ab6 18.Nc4 b5 19.Nb6 Ra6 20.Ncd5 Bb2 21.Ne7 Kg7 22.Nec8 Bd4 23.Bb5 Ra2 24.Bd7 Rd8 25.Rb1 Rf2 26.Kh1 Ra2 27.g3 Bc5 28.Rb5 Rc2 29.g4 Be3 30.Rd5 Bf4 31.h4 Rh2 32.Kg1 Rh4 33.Kg2 Bc7 34.Rc5 Bb8 35.Kf3 Rh3 36.Ke4 f6 37.Rd5 Rb3 38.Kd4 Rb1 39.Kc5 Bh2 40.Rd3 Kf8 41.Kc4 Bg1 42.Bf5 Rd3 43.Bd3 Rc1 44.Kb5 Bd4 45.Be4 Rg1 46.Bb7 Rg4 47.Bf3 Rf4 48.Bd1 Rf1 49.Be2 Re1 50.Bd3 f5 51.Nd7 Ke8 52.Nb8 Be5 53.Nc6 h5 54.N8e7 h4 55.Bc4 h3 56.Ng6 h2 57.Bd5 Re4! 58.Nge5 h1Q 59.Be4 fe4 60.Kc4 Qc1 61.Kd5 e3 62.Nd4 Qf1 63.Ndf3 e2 64.Kd6 Qd1 65.Ke6 Kd8 66.Kf5 Kc7 67.Ke4 e1Q 68.Ne1 Qe1 69.Kd5 Qd1 70.Ke4 Kd6 71.Nc4 Kc5 72.Ne3 Qd4 73.Kf3 Qe5 74.Nf1 Qf5 75.Ke2 Kd4 76.Ng3 Qd3 77.Kf2 Qe3 78.Kg2 Ke5 79.Kh2 Kf4 80.Kh1 Qf3 81.Kg1 Qg3 82.Kh1 Qg4 83.Kh2 Kf3 84.Kh1 Qg2# 0–1. NN – NN, 2008.

    5.d4 g6 6.c3 Bg7 7.Bc4 Nf6 8.Qe2 0-0 9.Nf3 d5 10.Bd3? de4-+ 11.Be4 Ne4 12.Qe4 Bf5 13.Qe3 Re8 14.0-0 e5 15.d5 e4 16.Nd4 Nd4 17.cd4 Qd5 18.Rd1 Rad8 19.Nc3 Qc4 20.Ne2? b5 21.Rac1 Qa4 22.Bc5 b4 23.Ra1 Qc2 24.Rdc1 Qd3 25.Ra7 Qe3 26.fe3 Bf8 27.Bf8 Kf8 28.Rcc7+= Be6 29.Nf4 Bb3 30.d5 Rc8?? 31.Rf7 Kg8 32.Rg7 Kh8 33.Rh7 Kg8 34.Rag7 Kf8 35.Ng6 1–0. inznorek (1720) – worobi (1730), kurnik, 2011.

    5.d4 g6 6.c4 Bg7 7.Nc3 Nd4 8.Rc1 Qa5 9.Bb2 d6 10.Nf3 Bg4 11.Qd3 Nf3 12.gf3 Be6 0–1. chessleon (2005) – rogeliovargas (2180), net–chess.com, 2010.

    5.d4 g6 6.Bc4 Bg7 7.Nf3 a6 8.Bb2 b5 9.Bb5= Qb6 10.Bc6 dc6 11.Bc3 Bg4 12.Nbd2 Rd8? 13.Ba5+- Bf3 14.Bb6 Bd1+/- 15.Bd8 Kd8 16.Rd1+- e6 17.c3 Ne7 18.0-0 Kd7 +-. onoudidnt (2010) – flaviolucas (2120), net–chess.com, 2008.

    5.Nf3 e6 6.Bf8= Kf8 7.Nc3 Nge7 8.Be2 f6 9.0-0= Kf7 10.d4 d5 11.e5 Rf8 12.ef6= gf6 13.Bd3 Ng6 14.Nh4 f5 15.Nf3 Bd7 16.Na4 b6 17.Qd2 Kg7 18.c4? dc4 19.Bc4=+ Qf6 20.d5 Nce5 21.Ne5 Ne5 22.de6 Be6 23.Be6 Qe6 24.Rfe1 Qf6 25.Qd5 Rae8 26.Rac1 Re7 27.Nc3 Rfe8 28.Qd2 Nc4 29.Re7=+ Re7 30.Qd3 Qe6 31.Nd5 Qe1!-+ 32.Re1 Re1 33.Qf1 Rf1 34.Kf1 a5 35.Ke2 a4 36.Kd3 a3 37.Nb4 Ne5 38.Ke2? Kf6 39.f4 Nc6! 40.Na2 h5 41.Kd3 b5 42.Kc3 b4! 43.Kc4 h4 44.Nc1 Ke6 45.Kc5 Ne7 46.Kb4-/+ a2! 47.Na2 Nd5 48.Kc5 Nf4 49.g3 hg3 50.hg3 Ne2 51.Nb4 Ng3 52.Nd3 Ne2 ½–½. Ball,E – Wisckol,R, USA–ch amat North, 1994.

    5.Nf3 Nf6 6.Nc3 d5 7.ed5 Nd5 8.Nd5 Qd5 9.c4 Qe4 10.Be2 e5 11.Bf8 Kf8 12.0-0 ½–½. Mikhalchishin,A (2520) – Polajzer,D (2425), It Podlehnik SLO, 2001.

    5.Nf3 Nf6 6.Bd3 d6 7.0-0 Bg4 8.h3 Bf3 9.Qf3 g6 10.Bb2 Bg7 11.e5 (better is 11.Bc4!?+=) 11...de5-/+ 12.Re1 0-0 13.Nc3 a6 14.Ne2 e4! 15.Be4 Ne4 16.Bg7 Kg7 17.Qe4 Qd2 0–1. Bulajic,Svetlana (1960) – Stupavski,Zdenko (2375), Novi Sad Sept op, 2007. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 ba3 5.Ba3 Nf6)

    5.Nf3 Nf6 6.e5 Nd5 7.Bc4 Nb6 8.Bb5 a6 9.Bd3 g6 10.Nc3 Bg7 11.Rb1 Rb8 12.Qe2 0-0 13.0-0 Na8 14.Rfe1 b5 15.Qe4 Qa5 16.Bb2 Nc7 17.Qh4 Bb7 18.Ne4 Ne6 19.Nf6 ef6 20.ef6 Bh8 21.Re6 (21.Re6 fe6 22.Ng5+-) 1–0. Guelker,Lorenz (2225) – Zur,Jan (1815), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    5.Nf3 Nf6 6.e5 Nd5 7.Bc4 e6 8.0-0 d6 9.d4 de5 10.Bf8 Kf8 11.Ne5 Ne5 12.de5 Ke7 (12...Qd7 13.Ra3+=) 13.Qg4 (13.Qd2 f6+/-) 13...g6 (13...Kf8 14.Rd1+/-) 14.Rd1 (14.Bd5 ed5 15.Qb4 Ke8+/-) 14...h6? (14...Kf8 15.Bd5 ed5 16.Qf4+/-) 15.Qf3 (15.Bd5 ed5 16.Qb4 Ke8 17.Ra5+/-) 15...Qc7?? (better is 15...Kf8+/-) 16.Rd5+- ed5 (16...Rd8 17.Qf6 Ke8 18.Bb5 Bd7 19.Rd7 Rd7 20.Nd2+-) 17.Qf6 Kd7 (17...Ke8 18.Qh8 Ke7 19.Bd5 Be6 20.Qf6 Ke8 21.Be6 Rd8+-) 18.Bb5 Qc6 19.Bc6 bc6 20.Qh8 (20.Qh8 Rb8 21.Qf8+-) 1–0. Acs,Gabor (2185) – Virag,Attila Aba, Zuzmara op Josvafo, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6)

    5.Nf3 Nf6 6.e5 Ng4 7.d4 d5 8.Be2 Bf5 9.Nh4 Nh6 10.0-0 Be4 11.f3 Bg6 12.f4 e6 13.Bf8 Kf8 (13...Kf8 14.Nf3 Be4+=) 0–1. Vetterlein,David – Rennert,Ralf (1890), DESC T0062 email, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 ba3 5.Ba3 Nf6)

    5.Nf3 g6 6.Bb2 Nf6 7.e5 Nh5 8.e6 Nf6 9.ef7 Kf7 10.Ng5 Kg7 11.Bc4 (better is 11.Qe2+=) 11...Ne5?? (better is 11...d5 12.Be2 e5-/+) 12.Be5+- e6 1–0. Pavlov,Nikolay (2035) – Vechkanov,Valery (1985), Borisoglebsk Bocharov Memorial 9th, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6)

    5.Nf3 g6 6.Bc4 Bg7 7.Nc3 d6 8.0-0 Nf6 9.Qe2 Bg4 10.Rab1 0-0 11.Rb7=+ Na5 12.Rb5 Nc4 13.Qc4=+ Bf3 14.gf3 Qd7 15.Rfb1= Qh3 16.Qf1 Qf3-/+ 17.Qg2 Qg2 18.Kg2=+ Rfc8 19.Rb7 Bf8 20.f3 a6 21.Kf2 Rc6 22.Ke2 Rac8 23.Kd3 R8c7 24.Rb8 Nd7 25.Ra8 e6 26.Ke2 Kg7 27.f4 f6 28.Bb4 Rb7 29.Bd6= Rb1 30.Bf8 Nf8 31.Nb1 Rc2 32.Ra6 Rc1 33.Ra7 Kh6 34.Nc3+= Rh1 35.Rf7+- Rh2 36.Kd3 1–0. yourmove (2795) – fhupp (2365), net–chess.com, 2008.

    5.d4 d5

    6.Nc3 Nf6 7.e5 Nd7 8.Qd2 Nb6 9.Bd3 Nc4 10.Bc4 dc4 11.f4 Qd4-+ 12.Qd4 Nd4 13.0-0-0 Ne6 14.Nd5 g6 15.g4 Bh6 16.Be7? Nf4 17.g5 Nd5 18.Rd5 Ke7 19.gh6 b6 20.Ne2 Bb7 21.Nc3 Bd5 22.Nd5 Kd7 23.Rd1 Kc6 24.Ne7 Kc7 25.Nd5 Kb7 26.Ne3 Rad8 27.Rf1 Rd7 28.Nc4 Kc7 29.Nd6 f5 30.Rd1 a6 31.Rd3 Kc6 32.Ra3 a5 33.Rc3 Kd5 34.Nc4 Rb8 35.Rd3 Ke6 36.Rb3 a4 37.Re3 b5 38.Nb2 Rd5 39.Nd3 g5 40.Rg3 Rc8 41.Kb1 Rg8 42.Nf4 gf4 43.Rg8 Rd1 44.Kb2 f3 45.Rg6 hg6 46.h7 Rd8 (46...Rd8 47.c4 f2 48.Kc2 f1Q 49.Kb2 b4 50.Kc2 Qe2 51.Kb1 Rd1) 0–1. Klekowski,Maciej (2290) – Karwowski,Kacper (1795), III MTSz Gora Sw. Anny Poland, 2010.

    6.ed5 Qd5 7.Nc3 Qd4-/+ 8.Nd5 Qd1?? (8...Qe5 9.Ne2 e6 10.Bf8 ed5-+ (10...Qd5?? 11.Bg7 Qd1 12.Rd1+-)) 9.Rd1+- Kd8 10.Nf6?? (better is 10.Nb6! Kc7 11.Na8 Kb8 12.Bb5+-) 10...Kc7-/+ 11.Ne8 Kb6?? (better is 11...Kb8-+) 12.Rb1+- Ka5 (12...Nb4 13.Rb4 Kc6 14.Bb5 Kd5 15.Nc7 Ke5 16.Nf3 Kf6 17.Ne8 Kg6 18.Bd3 f5 19.Ne5 Kh5 20.Be2 Kh6 21.Rh4 Kg5 22.g3 h5 23.f4 Kh6 24.Rh5) 13.Bc5 (13.Bc5 Be6 14.Ra1 Ba2 15.Ra2) 1–0. Wilkes – unknown, Australia, 1957. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d5)

    6.ed5 Qd5 7.Nf3 e6 8.Bf8= Kf8 9.c4 Qe4 10.Be2 Nge7 11.Nc3 Qf4 12.0-0 h5 ½–½. Foglia,Maurizio (2160) – Rotoni,Matteo (2165), Ancona Adriatico op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d5)

    6.ed5 Qd5 7.Nf3 Bg4 8.Be2 Nf6 (8...Bf3 9.Bf3 Qe6 10.Be2-/+) 9.0-0+= Bf3 10.Bf3 Qd4?? (better is 10...Qd7=) 11.Bc6+- (11.Bc6 bc6 12.Qd4+-) 1–0. Augstein,Joerg (1835) – Schubert,Jens (1630), Mecklenburg VP LL1, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d5)

    6.e5 e6 7.Nf3 Ba3 8.Na3 Nh6 9.Bd3 0-0 10.Nb5 f6 11.0-0 fe5 12.de5 a5 13.Qe2 Nf7.

    6.e5 e6 7.Bf8= Kf8 8.Nf3 Nge7 9.Nc3 Bd7 10.Nb5 Nc8 11.Qd2 Rb8 12.c3 a6 13.Na3 b5 14.Bd3 Na5 15.Qf4 h6 16.Bg6 Be8 17.0-0 Kg8 18.Bd3 Nc4 19.Nc2 Nb2 20.Be2 Rb6 21.h4 Na4 22.Bd3 Rc6 23.Ne3 Nc3 24.g4 Ne4! 25.Be4 de4 26.Qe4 Ne7 27.Rfc1 Rb6 28.Rc5 Bc6 29.Qf4? Ng6 30.Qg3 Bf3 31.Qf3 Qd4 32.Rac1 Ne5 33.Rc8 Kh7 34.Qa8 Rc8 35.Rc8 Kg6 36.h5 Kf6 37.Rg8 Rc6 38.Qf8 Rc1 39.Kh2 Qf4 40.Kh3 Rh1 41.Kg2 Qf3 0–1. Somyk,Marcin (1880) – Brzezinski,Mateusz (1955), Mistrzostwa Polski Juniorow Poland, 2010.

    6.e5 g6 7.c3 Bg7 8.Nf3 Nh6 9.Bd3 0-0 10.0-0 f6 11.ef6 Bf6 12.Nbd2 Re8 13.Qc2 (13.Qb3 Na5 14.Qa2 Bf5=+) 13...e5 (13...Bf5!?-/+) 14.de5= Ne5 15.Ne5 Be5 16.Nf3 Bg7 17.Nd4 Ng4 18.h3 Ne5 19.Bb5 Bd7 20.Bd7 (20.Be2!?-/+) 20...Qd7 (20...Nd7?! 21.Qb3 Nb6 22.Bc5=) 21.Rfd1 Nc4 22.Bc1 a5 23.Qb3 (23.Qd3 a4-+) 23...Bd4 24.cd4 b5 25.Bf4 b4 26.Re1 Qb5 27.Re8 Re8 28.Be3 Ra8 29.Rb1 (29.Bh6 a4 30.Qf3 b3-+) 29...a4 30.Qb4 Qb4 31.Rb4 a3 32.Rb1 a2 33.Ra1 Ra4 (33...Ra4 34.Bc1 Na5-+) 0–1. Lopez Rodriguez,E (1800) – Paasikangas,J (2230), 2nd Guimaraes Chess Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d5)

    6.e5 g6 7.c3 Nh6 8.Bd3 Bg7 9.h4 Qd7 10.Nh3 0-0 11.h5=+ Re8 12.Bc1 Qg4 13.Be2 Qd7 14.Ng5 f6 15.e6 Qd6 16.Nh7 Qe6 17.hg6+= Nf5 18.g4 Nd6 19.Qd3 Ne4 20.Qh3 f5= 21.g5 Rd8 22.Ba3 Bd7 23.Nf6+= Nf6 24.gf6 Qf6 25.Qh7 Kf8 26.Bc1 Be8 27.Bh5 e5=+ 28.Ba3 Ne7 29.Rh3 ed4-/+ 30.cd4 Qd4 31.Re3 Rd7 32.Ra2 Rc8 33.Rae2 Rcc7 34.Kf1 f4 35.Re6 b5 36.Bb2= Qd1 37.Kg2 f3 38.Bf3= Qd3?? 39.Bg7# (39.Qg7) 1–0. Torum,Arild – Olsen,Age, TCh–NOR Qualifier, 2002.

    6.e5 g6 7.f4 h5 8.Nf3 Bg4 9.c3 Bh6 10.h3 Bc8 11.Qd2 Na5 12.Bb5 Bd7 13.Qe2 ½–½. Freyberg,Dominic (2150) – Schulz,Joern (2290), Stare Mesto op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d5)

    6.e5 Bf5

    7.c3 e6 8.Bf8 Kf8 9.Na3 a6 10.Bd3 Bd3 11.Qd3 Nge7 12.Ne2 h5 13.0-0 g6 (13...h4 14.Rfb1 b5 15.Nf4+=) 14.Rfb1 b5 15.Nc2 Kg7 16.h3 (16.Nb4 Nb4 17.cb4 Nc6=) 16...Nf5 17.Ne3 Nce7 18.Nc1 Ne3 19.fe3 Nf5 20.e4 de4 21.Qe4 Rc8 (21...Qg5!?-/+) 22.Ne2 (22.Ra6? Rc3 23.Nb3 Re3-+) 22...Qb6 23.Ra3 h4 24.Kh2 Rhd8 25.Rba1 Ra8 26.Qf3 a5 27.Rb1 Rab8 28.Rab3 b4 29.cb4 ab4 30.Qf4 Qb5 (30...Nd4 31.Rb4 Qc7 32.Qf6 Kg8 33.Nd4 Rb4 34.Rb4 Rd4 35.Rd4+-) 31.R1b2 Qc4 32.Qg5 Rd4 (32...Rd7-/+) 33.Rc3 (33.Nd4 Nd4 34.Qf6 Kg8=) 33...Qd5 (better is 33...Qe2! 34.Qf6 Kh6 35.Re2 bc3 36.Qf7 Rdd8-/+) 34.Qf6= Kg8 35.Rc7 Rf8 36.Rbc2?? Ne3?? 37.Nd4= Nc2 38.Nc2+/- b3? 39.Ne3+- Qd3 40.Rc4 (40.Rc4 Qd8 41.Ng4+-) 1–0. Frink,Ferenc (2255) – Juhasz,Bela (2175), HUN–chT2 Erkel, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d5 6.e5 Bf5)

    7.Bc5 a6-/+ 8.Nf3 b6 9.Ba3 Nh6 10.Be2 g6 11.0-0 Bg7 12.Ng5 f6.

    7.Bc5 e6 8.Bf8 Kf8 9.Nf3 Nge7 10.Be2 h5 11.Nc3 a5 12.0-0 Rh6.

    7.Nf3 Qa5!? 8.Qd2 Qd2 9.Kd2 Be4-/+ 10.Bb5 Nh6 11.Ng5 Bg2 12.Rg1 Be4.

    7.Nf3 e6 8.Bf8=+ Kf8 9.Bd3 Bd3 10.Qd3 g6 11.0-0 Nge7 12.Nc3 Kg7 13.Rfb1 Qd7 14.Nb5 Rhb8 15.Qd2 a6 16.Nc3 b5 17.Ne2 Nc8 18.Rb3 Nb6 19.Ng5 h6-/+ 20.Rh3 Rh8 21.Nf3 Nc4 22.Qc1 Qa7 23.Qf4 Qe7 24.Qg3 a5 25.Nf4 Kf8 26.c3 Ke8 27.Nd3 Kd7 28.Rh4 Kc7 29.Rf4 b4 30.Rf6 b3 31.Qf4=+ Rhf8 32.Nd2?? g5-+ (32...g5 33.Qg4 Nd2 34.Rh6 a4-+) 0–1. Moraru,M (2325) – Prunescu,C (2275), ch–ROM, Baile Tusnad ROM, 2005.

    7.Nf3 Nh6 8.Nc3 g6 9.Bd3 Bg7 10.Qb1 Qd7 11.Qb5 Be6 12.0-0 0-0.

    5.d4 d6

    6.Bb2 b6 7.Bb5 Bd7 8.Bc6 (8.Nf3 Nf6 9.Qe2 Nb8=) 8...Bc6+= 9.d5 Bb5 10.Nd2 Qc7 11.Ne2 e6 (better is 11...Nf6!?+=) 12.de6+= fe6 13.Nc3 (better is 13.Nd4!? Bc4 14.Qh5 Ke7 15.Ra4+=) 13...Bc6+= 14.Nc4 (14.Nb5! Qf7 15.Qe2+=) 14...Nf6-/+ 15.f3 Be7 16.0-0 0-0 17.Qe1 (17.Qd3 Rfc8-/+) 17...Rfc8 (17...Be4 18.Nd2 Bf5 19.g4-+) 18.Ne3 b5 19.Ne2 d5 (19...a5 20.Nf4 Bd7 21.Nd3-+) 20.ed5 Nd5 21.Nd4 Ne3 (21...Bc5 22.Ng4 Qd6 23.Kh1-/+) 22.Qe3 Bd7 23.Ne6 Bc5 (23...Qc2 24.Bd4 Qg6 25.Ra6+= (25.Ng7? Bf8-+)) 24.Qc5 (24.Nc5 Qc5 25.Bd4 A) 25...Qc2? 26.Qe7 (26.Ra7?! Ra7 27.Ba7 Re8=; 26.Ba7?! Re8 27.Qd4 Be6=) 26...Qg6 27.Qd7+-; B) 25...Qf5=) 24...Qc5+= 25.Nc5 Rc5 26.Rfe1 Rc2 27.Rab1 (better is 27.Bd4!? Kf7 28.Ra7 Ra7 29.Ba7+=) 27...Re8-+ 28.Red1 (28.Bd4 a5-+) 28...Bf5 (28...Ree2 29.Rd7 Rg2 30.Kf1 Rb2 31.Rb2 Rb2 32.Ra7 Rh2 33.Ke1-+) 29.Rd5 (better is 29.g4 Ree2 30.gf5 Rg2 31.Kf1 Rb2 32.Rb2 Rb2 33.Ra1-+) 29...Ree2 30.Rf5 Rg2 31.Kf1 Rh2 32.Kg1?? Rb2 33.Rb5 Rb1 34.Rb1 Ra2 35.Rb7 h6 36.Rc7 a5 37.Rd7 a4 38.Rd4 a3 39.Ra4 Kf7 0–1. Ostmark,Soeren – Erickson,John, CServe email, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.Bb2 Qb6!? 7.Bc3 Nf6 +=.

    6.Bb5?? Bd7 7.Nf3?? Nf6 8.c4 Ne4-/+ 0–1. chessleon (2005) – rpatru (2180), net–chess.com, 2010.

    6.c3 Bd7 7.Bd3 Nf6 8.Ne2 g6 9.Ng3 Bg7 10.Nd2 0-0 11.0-0 a6 12.f4 b5 13.h3 b4 (13...Qc7!?-/+) 14.Bb4= Nb4 15.cb4 Qb6 16.Nf3 e5 17.fe5 de5 18.Kh1 (18.Qd2 ed4 19.Ra5 Bc6+=) 18...ed4-/+ 19.Qd2 Ne8 20.Rfe1 Nc7 21.Rad1 Rab8 22.Rb1 Nb5 23.Ne2 Rfd8 24.e5 (24.Ra1 Be6-/+) 24...Bc6-+ 25.e6 (better is 25.Neg1-+) 25...fe6 26.Ng5 e5 0–1. Koentges,Markus (1825) – Meinert,Thomas (1880), Niederrhein–ch, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.c3 e6 7.Bd3 Nf6 8.Ne2 Be7 9.0-0 0-0 10.Nd2 a6 11.f4 Ng4 12.Rf3 Bh4 (12...b5!?+=) 13.h3 Nh6 14.Nc4 (14.e5 Be7=) 14...d5 15.Ne5 (worse is 15.Bf8 dc4 16.Bg7 cd3 17.Bh6 de2 18.Qe2 Qf6-/+) 15...Ne5 (15...Be7!?=) 16.fe5+= Be7 17.Qb3 (17.Be7 Qe7 18.ed5 ed5+=) 17...Ba3= 18.Ra3 de4 19.Be4 Qh4 20.Qb1 (20.Bb7?? Rb8 21.Qc2 Bb7-+ (21...Rb7?! 22.Ra6 Rc7 23.Ra8-+)) 20...Qe7 (20...Nf5 21.Nf4= (21.Bb7? Bb7 22.Qb7 Qe1 23.Rf1 Qe2-+)) 21.Rb3 Rb8 (21...Nf5!?+=) 22.Bh7+/- Kh8 23.Rb6 g6 24.Bg6 fg6 25.Qg6 Qg7 26.Nf4 Bd7 27.Rg3 Rg8 28.Qh5 Qh7 29.Ng6 Rg6 30.Rg6 Nf5? (better is 30...Be8 31.Rbe6 Bg6 32.Rg6 Nf7+-) 31.Qg5 Rg8 1–0. Frink,Ferenc (2235) – Ruszin,Rita (1925), Salgotarjan op, 2004. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.c3 Nf6 7.Bd3 g6 8.Ne2 Bg7 9.0-0 0-0 10.Nd2 Qc7 11.h3 e5 (11...a6!?+=) 12.d5 Ne7 13.Qb3 Nd7 (better is 13...Ne8!?+=) 14.Nc4+/- Nc5 15.Bc5 Qc5 16.Ra5 (16.Nb6 Rb8 17.Ra7 f5+/-) 16...Qc7+= 17.Rfa1 (17.Qb4!?+=) 17...a6= 18.Nb6 Rb8 19.c4 Bd7 20.Rc1 Nc8 (better is 20...Bh6!? 21.Rb1 Bd2+=) 21.Nd7+= Qd7 22.c5 (better is 22.Ra6! f5 23.Ra5+=) 22...Ne7 23.Qb6 Nc8 24.Qb4 (24.Qb3!?=) 24...dc5+= 25.Rac5 Nd6 26.Rc7 Qd8 27.Qa4 Qf6 28.Qb4 Rfd8 29.Nc3 Qf4 30.Na4 (30.Ne2 Qh4+=) 30...b5 31.Nb2 f5 32.R1c6 Bf8 33.Qb3 fe4 34.Bf1 a5 35.g3 Qf3 36.Rc3 Qf6 37.Nd1 a4 38.Qa2 b4 39.R3c6 b3 40.Qa4 b2 41.Nb2 Rb2 42.Qa7 Ra8 43.Qe3 Raa2 44.f4 ef4 45.gf4 Qh4 46.Rd6 Bd6 47.Rc8 Bf8 48.d6 Re2! 49.Qb6 Kg7 50.Qc6 Kh6 51.Be2 Re2 52.Kh1 Qf2 (52...Qf2 53.Rf8 Qg2; 52...Qe1) 0–1. Darwisch,Mohamed (1780) – Koke,Christoph (1635), Muensterland Verbandsklasse–B, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.c3 Nf6 7.Bd3 g6 8.f4 Bg7 9.Nf3 Bg4 10.0-0 0-0 11.Nbd2 Nd7 12.h3 Bf3 13.Nf3 a6 14.e5 de5 15.fe5 Re8 16.Ng5 Nde5 17.de5 Ne5 18.Be4 Qb6 19.Kh1 h6 20.Nf3 Nc4 21.Qe2 Na3 22.Ra3 Qd6 23.Qa2 Rab8 24.Nh4 e6= 25.c4 Qd4+= 26.Re1 f5 27.Nf3 Qb2 28.Bd3 Qa2-/+ 29.Ra2 e5 30.Bb1 e4 31.Ng1 Red8 32.Ne2 Rd7 33.Nf4 Kh7 34.g4 Be5 35.Nd5 b5 36.gf5 gf5 37.Ne3 Rbd8 38.Ra6 bc4? 39.Nf5+- Rd1 40.Rh6 Kg8 41.Rg6 Kf7 42.Rgg1 R8d2 43.Nh6 Ke6 44.Ng4 Re1 45.Re1 Rd4 46.Be4 Kd6 47.Kg2 c3 48.h4 Rd2?? 49.Kf3+- Bd4 50.h5 Kc5 51.h6 Kb4 52.h7 c2 53.Bc2! Rc2 54.Re4 (54.Re4 Rc3 55.Kf4+-) 1–0. Martinez,Jorge A (2195) – Gelvez Chaparro,Jorge E (1695), Bucaramanga COL, IRT Departamental, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.c3 Nf6 7.Bd3 g6 8.f4 Bh6 9.Ne2 0-0 10.0-0 a6 11.h3 Re8 12.Kh1 (12.Nd2 Qc7=+) 12...b5 13.Nd2 Bb7 14.Qe1 Rc8 15.Nf3 White prepares e5 15...Na5 16.Qh4 Bg7 17.e5 Bf3 18.Rf3 Nd5 19.f5 de5 20.de5 Be5 21.fg6 hg6 22.Rf7 Kf7 23.Qh7 Bg7?? (better 23...Ke6 24.Qg6 Kd7 25.Qf5 e6 26.Qe5 Qc7=+) 24.Bg6+- Kf6 25.Rf1 Ke5 26.Qh5 Ke6 1–0. Riha,Vojtech (2170) – Pospech,R (1970), TCh–CZE, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.c3 g6 7.Bd3 Bg7 8.Ne2 Nf6 9.0-0 0-0 10.Nd2 b6 11.Qe1 Bb7 12.f4 Re8 13.f5 Na5 14.Qh4 Rc8 15.fg6 hg6 16.Bb4 Nc6 17.Ba3 a6 18.Nf4 (18.c4 Nd4 19.Nd4 Ne4+=) 18...b5 (better is 18...e5 19.d5 ef4 20.dc6 Rc6-/+) 19.g4? (better is 19.Ne2+=) 19...e5-+ 20.Nh3? (20.g5 Nh7 21.Nh3 ed4 22.Rf7-+) 20...Nh7 (better is 20...ed4 21.g5 Nh5-+ (21...dc3?! 22.gf6 Bf6 23.Rf6-/+)) 21.Qf2 Re7 (better is 21...Qd7!? 22.d5 Qg4 23.Qg3 Qg3 24.hg3 Nb8-+) 22.d5= Nb8 23.c4 Qd7 (23...Bh6 24.cb5 ab5 25.Nb1=) 24.Qe2 Bh6 25.cb5 Bd2 26.ba6 (26.Qd2!? Qg4 27.Qg2 Qg2 28.Kg2=) 26...Ba6+= 27.Ba6 Na6 28.Qd2 Qg4 29.Qg2 Qg2 30.Kg2 Nc5 31.Rfc1 Rec7 32.Bc5 Rc5 33.Rc5 Rc5 34.Ra6 Rc2 35.Kg3 Nf6 36.Nf2 Kf8 37.Kf3 Ke7 38.Ra7 Nd7 39.h4 f5-/+ 40.Nd3? fe4-+ 41.Ke4 Rc4 42.Ke3 Rh4 43.Rb7 Rd4 44.Nb4 Rh4 45.Nc6?? Ke8-+ 46.Ra7 Nb6 47.Re7 Kf8 48.Re6 Nd5 49.Kf3 Rf4 50.Kg3 Rf6 (50...Rf6 51.Rf6 Nf6-+) 0–1. Barry Bertomeu – Valero Perez, Valencia–ch Provincial, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d6 5.d4 Nc6)

    6.Bc4 e6 7.Nf3 Nf6 8.Bd3 Be7 9.0-0 d5 (9...0-0 10.Qd2+=) 10.e5= Nd7 11.Nc3 a6 12.Be7 Qe7 13.Nb5 0-0 14.c3 Rb8 15.Nd6 f6 16.Qc2 (better is 16.Nc8!? Rfc8 17.ef6 Qf6 18.Re1+=) 16...fe5-/+ 17.Nc8 Rbc8 18.Bh7 Kh8 19.Ne5 Nde5 20.de5 Ne5 21.f4 (21.Bd3 Qc7 22.Rac1 Ng4-+) 21...Qc5 22.Kh1 Qc3 23.Qd1 (23.Qe2 Kh7 24.fe5 Kg8-+) 23...Kh7 24.Qh5 Kg8 25.fe5 Qd3 (25...Rf5 26.Qd1 Rf1 27.Qf1 Qe5 28.Re1-+) 26.Rf3 (26.Rfe1 Rf5 27.Qh4 Rcf8-+) 26...Rf3 27.gf3 (27.Qf3 Qf3 28.gf3 Kf7-+) 27...Rf8 28.Kg2 Rf5 29.Qg4 Qe2 (29...Qe2 30.Kh1 Qe5-+) 0–1. Ducay,Miroslav (2015) – Koval,Michal (2070), SVK–chT2D, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d6 5.d4 Nc6)

    6.Bc4 Nf6-/+ 7.Nc3 a6 (7...Ne4 8.Bf7 Kf7 9.Ne4-/+) 8.Nge2 b5 9.Bd3 Qc7 10.Bb2 Bb7 11.0-0 e6 12.Nb1 (12.d5 Ne5+=) 12...Be7 13.c3 0-0 14.Nd2 Na5 15.Qc2 Nc4 16.Rfd1 Rac8 17.f3? (better is 17.Bc4 bc4 18.Ba3-/+) 17...Ne3-+ (17...Nb2?! 18.Qb2 d5 19.e5-/+) 18.Qb3 Nd1 19.Rd1 e5 (19...d5 20.Ba3-+) 20.Rc1 (20.c4 bc4 21.Bc4 Rb8-+) 20...Qb8 (20...d5 21.ed5 Bd5 22.c4 bc4 23.Bc4 Bc4 24.Rc4-+) 21.d5 (21.c4 bc4 22.Bc4 d5 23.ed5 Bd5 24.de5 Rc4 25.Rc4 Qb3 26.Nb3 Bc4 27.ef6 Bf6 (27...Be2?! 28.fe7 Re8 29.Ba3-/+; 27...Bb3?! 28.fe7 Re8 29.Ba3-/+) 28.Bf6 Be2-+) 21...Nd7 22.c4 Nc5 23.Qa3 (23.Qc2-+) 23...b4! 24.Qa5 Nd3 25.Rc2 Qa7 26.Kh1 Qf2 27.Ng1 Nf4 (27...Nf4 28.Nf1 Qc2-+) 0–1. Romera Dura,Marta – Montoliu Daroca,Inma, Catalunya–ch (Women), 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.d5 Ne5 7.Bb2 Nf6 8.f4 Ng6 9.e5 de5 10.fe5 Ne4 (better is 10...Nd7 11.Nf3 e6 12.de6 fe6-/+) 11.Qd4+/- f5 12.Bd3 (12.e6 Qc7 13.Bd3+/- (worse is 13.Ra7 Ra7 14.Qa7 Qc2 15.Bb5 Kd8+=)) 12...e6 13.Be4 (13.d6 Bd7=) 13...Qh4 14.g3 Qe4 15.Qe4 fe4 16.d6 h5 (16...a5 17.Nd2 e3 18.Nf1=) 17.h4 Rg8 18.Nd2 Bd7 19.Nc4 (worse is 19.Ne4 Bc6 20.Nf2 Bh1 21.Nh1 b6+=) 19...Rc8 20.Ne3 a6 21.Nh3 (21.Bd4 Ne5 22.Be5 Rc5=) 21...Nh8 (21...Rc5!?+=) 22.Nf4 g6 23.0-0 (23.g4!?=) 23...Nf7 24.Ra5 Bh6 ½–½. Evans,Craig (1950) – Tzimkas,Elias, South Wales Winter op, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.d5 Ne5 7.Nf3 Nf3 8.gf3 (8.Qf3!? Nf6 9.Bb5 Bd7 10.Bd7 Qd7 11.0-0+=) 8...Nf6 9.Bb2 e5 10.Bb5 Bd7 11.Qd3 a6 12.Bd7 Nd7 13.Nd2 Nc5 14.Qe3 b5 15.f4 f6 16.0-0 Qd7 17.fe5 de5 18.Kh1 Na4 19.Ba3 Ba3 20.Qa3 Rc8 21.c4 Nc5 22.cb5 ab5 (22...Qb5!? 23.Rfc1 0-0+=) 23.Rfc1+= Na4 24.Rc8 Qc8 25.Rc1 (25.Qb4 Qd7 26.Rb1 Kf7 27.Qb5 Rd8+=) 25...Qd7= 26.Rc6 Kf7 27.Qc1 Qg4 28.Rc7 Kg6 29.f3 Qg5 30.Qe1 Nb2 31.h4 Nd3 32.hg5 Ne1 33.gf6 gf6 34.Rc1 Nd3 35.Rc3 Nf2 36.Kg2-/+ Nd1 37.Rb3 Ra8 38.Kg3 Ra2 39.Nf1 Rb2 40.Rd3+= Nf2 41.d6 Nd3 42.d7 Rg2 43.Kh4 (43.Kh4 Ne1 44.d8Q Nf3 45.Kh3+/-) 1–0. De Pierrefeu,Thibault (2190) – Ryan,Martin (1955), FRA–chT2, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.Nf3 Bg4 7.Bd3 Nd4?? 8.Nd4+/- Bd1 9.Bb5 Qd7 10.Bd7 Kd7 11.Kd1 e5 12.Nf3 Nf6+/- 13.Nbd2 d5? 14.Bf8 Rhf8 15.Ne5 Ke6 16.Nd3+- Ne4 17.Ne4 de4 18.Nc5 Ke5? 19.Nd7 Kd4 20.Nf8 Rf8 21.Ra7 Rb8 +-. onoudidnt (1985) – flgs (2145), net–chess.com, 2008.

    6.f4 e6 7.Nf3 Nf6 8.Bd3 Be7 9.0-0 0-0 10.Kh1 b6 11.Nbd2 Bb7 12.h3? (better is 12.c4+=) 12...Nh5-+ 13.g4 (13.Qe1 Nf4 14.Qe3 Nd3 15.Qd3-+) 13...Nf4 14.Nc4 (14.Kh2 Qc7-+) 14...b5 15.Ne3 a6 16.c4 Nd3 (16...Qb6 17.Rb1-+) 17.Qd3 ½–½. Wierum,Colin (1945) – Hurink,Maarten (1870), Niedersachsen–ch U18, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    6.f4 Nf6 7.Qd3 (7.d5 Qa5 8.c3 Nd8+=) 7...Qa5 8.c3 g6 (8...d5 9.ed5 Nd5 10.g3-/+) 9.Nf3 Bg7 10.Nbd2 (10.d5 Nd8+=) 10...0-0 11.Be2 Bg4 12.0-0 Qh5 13.Rfb1 Bf3 (13...b6 14.h3 Bd7 15.Qe3=) 14.Nf3 (better is 14.Bf3 Qh6 15.Rb7 Qf4 16.e5 Ne5 17.de5 Qe5 18.Bb2+-) 14...d5? (better is 14...Qg4 15.d5 Nd8=) 15.e5+- (15.Rb7?! de4 16.Qd2 Qh6= (worse is 16...ef3 17.Bf3 Qh6 18.Bc6+/-)) 15...Ne4 (15...Ne8 16.Rb7 Qg4 17.Qb5+-) 16.Ng5 (16.Rb7?! Qf5+/-) 16...Qh6 17.Ne4 de4 18.Qe4 Rfe8 (18...f5 19.Qd5 Kh8 20.Rb7+-) 19.Rb7 Rac8 (19...Rec8 20.Be7 Ne7 21.Re7+-) 20.Bb5 f5 (20...g5 21.Bc5 gf4 22.Ra6+-) 21.Qd5 e6 22.Qf3 Na5 (22...Qh5 23.Bc6 Qf3 24.Bf3 (24.gf3?! Rc6 25.Bc5 a6+-) 24...Rc3 25.Bb4+-) 23.Ra7 Nb3 (23...Red8 24.Be7 Rd5 25.R1a5+-) 24.Rd1 (better is 24.Be8 Kh8 25.Ra8 Nd2+-) 24...Red8 25.Bd7 Qh5 26.Be6 Kh8 27.Qh5 gh5 28.Bc8 Rc8 29.Bb4 Bf8 30.Bf8 Rf8 31.Ra3 1–0. Deatherage Newsom,Blaine – Sir_Roach, November, 2000. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 Nc6 5.d4 d6)

    5.Nf3 d6

    6.Bb5 a6 7.Bc4 Nf6-/+ (7...b5 8.Bb3 (8.Bd5 Bb7 9.0-0 e6 10.Bc6 Bc6 11.d3; 8.Be2 Nf6 9.d3 e6 10.Bb2 Be7 11.0-0) 8...Nf6 9.0-0 Bg4 10.h3 Bh5 11.Bb2) 8.Nc3 b5 9.Bd5 Nd5 10.Nd5 (10.ed5 b4 11.dc6 bc3+=) 10...e6-/+ 11.Ne3 Be7 12.d4 (12.0-0 Bf6 13.Rb1 a5-/+) 12...Qa5 Black prepares b4 13.Qd2 Qd2 14.Kd2 0-0 (14...b4 15.Bb2 Rg8 16.Ra4+=) 15.Rhd1 (15.Rhb1 Bf6 16.Bb2 Bb7+=) 15...Re8 16.Ke2 (16.d5 ed5 17.ed5 Na7-/+) 16...b4 (16...a5 17.d5 ed5 18.Nd5-+) 17.d5 ed5 18.ed5 ba3 (18...Bf6!? 19.dc6 A) 19...ba3?! 20.Ra3 Be6 21.Ra5= (worse is 21.Rd6 Be7 22.Re6 Ba3 23.Re8 Re8-/+); B) 19...Ba1 20.Bb4 Bf6-/+) 19.dc6= Be6 (19...Ra7 20.Nd4= (worse is 20.Ra3 Rc7-/+)) 20.Ra3 Rec8 21.Nd4 Rc7 22.Ra4 d5 23.Ke1 Bc5= 24.c4 Bd4?? 25.Rd4+- dc4 26.Ra6 Re8 27.Kd2 g6 28.Nc4 Bc4 29.Rc4 Re6 30.h4 h5 31.Rb6 Kg7 1–0. Zapata,Enrique – Butler,Jim, California op, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.Bb5 Bd7 7.0-0 Nf6 8.Re1 g6 9.d4 Qa5 10.Bc4 Bg7 (10...Bg4 11.c3 Bf3 12.Qf3 Nd4 13.Qd1+=) 11.Nbd2 0-0 12.Bd6 Qc3? (better is 12...Qh5 13.Bg3 b5+=) 13.Ra3 Qb2 14.Rb3 Qa2 (better is 14...Qb3 15.Nb3 ed6+-) 15.Rb7 Qa5 16.Bc5 (better is 16.e5!? Ng4 17.Rd7 ed6 18.Rd6+-) 16...Rfb8 17.Rb8 Rb8 18.Nb3 Qc7 19.d5 (better is 19.Ng5!? Nd8 20.e5+-) 19...Na5+/- 20.d6 (20.d6 Qc8 21.Na5 Qc5 22.de7 Qe7 23.e5+/-) 1–0. Mose,Greg – Mech,R, East Lansing–ch MI op–B, 1991. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.Bb5 Nf6 A) 7.Qe2 A1) 7...Bd7 8.Nc3 (8.0-0 a6 9.Bc6 Bc6 10.Nc3 e6 11.Nd4; 8.Bb2 e6 9.Nc3 a6 10.Bc6 Bc6 11.0-0; 8.Bc4 a6 9.Bb2 b5 10.Bb3 e6 11.Nc3) 8...a6 9.Bc6 Bc6 10.0-0 e6 11.Rfb1; A2) 7...Qb6 8.Nc3 a6 9.Ba4 Bg4 10.h3 Bd7 11.Nd5; A3) 7...a6 8.Bb2 e6 9.e5 Nd5 10.0-0 Bd7 11.Bc4; A4) 7...Bg4 8.Bb2 e5 9.d4 ed4 10.Bd4 Nd7 11.c3; B) 7.Nc3 a6 8.Bb2 (8.Bc1 Bg4 9.Be2 b5 10.Nd5 Nd5 11.ed5) 8...Qb6 9.e5 de5 10.Ne5 Rb8 11.Bc6.

    6.Bb5 g6 7.0-0 Bg7 8.d4 Bd7 9.Re1 a6 10.Bc6 Bc6 11.Nbd2 Nh6 12.d5= Bd7 13.e5 de5 14.Ne5 0-0 15.c4 Re8 16.h3 Nf5 17.Ndf3 b6 18.Rb1 Nd6 19.Qb3 Bf5 20.Nc6 Qc7 21.Rbc1 Bf8 22.Bb2 Bd7 23.Nce5 Bh6= 24.Rc2 Rac8 25.Ba1 Bf4 26.Nd7 Qd7 27.Nd4 Bg5 28.Nc6 b5 29.c5 Nc4 30.Qf3 Bd2 31.Re2 Bg5 32.h4 Bh4=+ 33.Re1? Bg5?? 34.Rce2= e6 35.Qc3+= f6 36.Re6+/- Re6 37.Re6 Rc6 38.Rc6 Qd5 39.Rc8 Kf7 40.Qh3+- (40.Qh3 Qd1 41.Kh2+-) 1–0. Ruhmke,Stephan – Owens,Steve (1985), WS/H/171 ICCF, 2009.

    6.Bc4 e6 7.0-0 Be7 8.d4 Nf6 9.Nc3 d5 10.Be7 Ne7 11.Bd3 0-0 12.e5 Nd7 13.Bh7 (better is 13.Nb5!? Nc6 14.Qe2=) 13...Kh7-/+ 14.Ng5 Kg6?? (14...Kh6 15.Qg4 Ng6=) 15.Qg4+= Kh6?? (better is 15...f5 16.Qg3 f4+/-) 16.Ne2 (16.Qh4 Kg6 17.Qh7 Kg5 18.f4 Kg4 19.Qh3) 16...Ne5 17.de5 (17.Qh4 Kg6 18.de5+-) 17...f5 (17...Nf5 18.Ra3 Kg6 19.Nf4 Kh6 20.Qh5) 18.Qh4 Kg6 19.Nf4 1–0. Zuazua Iglesias,Fernando – Quiros Cueto,Pelayo (1925), Asturias–chT Gr–B, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.Bc4 e6 7.0-0 Nf6 8.Re1 Be7 9.d4 0-0 10.Nc3 a6 11.Rb1 (11.d5!? ed5 12.Nd5 Nd5 13.Bd5+=) 11...b5-/+ 12.Bd3 Qc7 13.Qd2 Rb8 (13...Bb7 14.Nd1-/+) 14.Ne2 Bb7 15.c3 Na5 16.Nf4 Nc4 17.Bc4 Qc4 18.e5 (18.Rb4 Qc7 19.d5 e5-/+) 18...Ne8 (18...Ne4!? 19.Qe3 Qc3 20.Qc3 Nc3 21.Rbc1-+) 19.ed6 Bd6 20.Bd6 Nd6 21.Ne5 Qc7 22.d5 (22.Rb3 Rbe8-/+) 22...ed5 (22...Rbd8!? 23.Ra1-+) 23.Nd5-/+ Bd5 24.Qd5 Rbd8 25.Nc6 Rde8 ½–½. Tymms,JDM – Dunn,John, BCCA/C1/Tr16 (ENG), 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.Bc4 g6 7.0-0 Bg7 8.Nc3 Nf6 9.Rb1 0-0 10.Bb2 Bg4 11.Be2 e6 12.Re1 a6 13.h3 Bf3 14.Bf3 Nd4 15.Na4 Nf3 16.Qf3 b5 17.Nc3 Nd7 18.Nd1 Ne5 19.Qe2 Nd7 (19...Qh4!?-/+) 20.Bg7 (20.Qf3 Qg5 21.Bg7 Kg7 22.Ne3-/+) 20...Kg7-/+ 21.d3 Nb6 (21...Qf6 22.Ne3-/+) 22.Qd2 (22.c4 Na4+=) 22...Qc7 (22...d5 23.ed5 Nd5 24.c4-/+) 23.Ne3 (23.c4 Rfc8 24.cb5 a5=) 23...f5 (23...d5 24.Ng4 Kh8 25.Nf6+=) 24.ef5+= ef5 25.Re2 (25.c4 Qd7= (worse is 25...bc4 26.Qb2 c3 27.Qb6 Qb6 28.Rb6+/-)) 25...Rf7 (25...f4 26.Ng4 f3+=) 26.c4= Qc5 (26...bc4 27.Qb2 Kg8 28.Qb6 Qb6 29.Rb6 cd3 30.Rd2+-) 27.Qb2 Kg8 28.cb5 ab5 29.Qb5 Ra1?? (better is 29...Nd7 30.Qb3 Rb8=) 30.Qe8+- (30.Qe8 Kg7 31.Ra1+-) 1–0. Drewitz,Friedel – Waibl,Matthias, Merano Gold Cup, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.d4 Nf6 7.c3 e6 8.Bd3 Be7 9.0-0 0-0 10.Nbd2 h6 11.Qe2= a6 (11...Qc7 12.Rfb1=) 12.Rfb1 Qc7 (12...e5 13.d5 Nb8 14.Bb4=) 13.c4 (13.e5 de5 14.de5 Nd5=+) 13...Rb8 (13...e5 14.Bb2=+) 14.h3 (14.e5 de5 15.Be7 Ne7 16.de5 Nd7=+) 14...Bd7 (14...e5!?=) 15.d5+= Nd8 16.e5 Ne8 17.c5 (17.Nd4 Bc8+=) 17...dc5= 18.d6 Nd6 19.ed6 Bd6 20.Nc4 (20.Ne4 Bc6 21.Nd6 Bf3 22.Qe3+-) 20...b5? (better 20...Be7!?=) 21.Nd6+- Qd6 22.Ne5 (22.Qe5 Qd3 23.Qb8 b4+-) 22...b4? (better 22...Bc6+=) 23.Rd1+- (23.Ba6?! Nc6 (23...ba3? 24.Rb8 Qb8 25.Nd7+-) 24.Bb2 Rfd8+=; 23.Nd7?! Qd7 24.Rd1 Qa7+=) 23...Bb5 24.Bb5 Qb6? (24...Qc7 25.Ba6 ba3+-) 25.Bd3 ba3 26.Nd7 (26.Ra3?! Qb2 27.Qb2 Rb2+-) 26...Qb2 27.Nb8 Qb8 28.Ra3 Nc6 (28...Qf4 29.Ra6 Qf6 30.Qe4+-) 29.Qe4 (29.Qe4 Rc8 30.Qh7 Kf8 31.Qh8 Ke7 32.Qg7+-; worse 29.Ba6 Nd4 30.Qh5 Rd8+-; worse 29.Ra6 Nd4 30.Qe4 g6+-) 1–0. Rusan,Paul_Cristian – Veron,Andrei_Stefan, 9th Arad Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.d4 Nf6 7.Nbd2 g6 8.Bc4 Bg7 9.0-0 0-0 10.c3 a6 11.Bb2 d5 12.ed5 Nd5 13.Qb3 e6 14.Qa2 Rb8 15.Ba3 Re8 16.Ne4 b5 17.Bb3 b4 18.Bb2 (18.Ba4!? Bd7 19.Bb4 Ndb4 20.cb4 Nd4 21.Nd4 Ba4 22.Qd2-/+) 18...bc3-+ 19.Nc3 Ndb4 20.Qa3 Nd4 (20...Nd3 21.Rfd1 Nb2 22.Qb2-+) 21.Nd4 Qd4 22.Rad1 (22.Na4 Qg4-+) 22...Qh4 23.Rd2 (23.Ba4 Rf8-+) 23...Bb7 24.g3 Qh3 25.f3 Nc6 (25...Qh6!? 26.Re2-+) 26.Ne4 Ne5 27.Ba4 Nc4 28.Qa1?? (28.Be8 Na3 29.Bf7 Kh8 30.Ba3-+) 28...Be4 29.Bg7 Nd2 30.Rd1 Nf3 31.Kf2 Qh2 32.Ke3 Qg3 33.Be8 Ng5 34.Kd4-+ Rd8 35.Kc4 Qc7 36.Kb3 Rb8 37.Ka3 Qa5 38.Ba4 Qb4 (38...Qb4 39.Ka2 Qa4) 0–1. Bernadskij,Vitalij – Dubensky,Marko, Evpatoria U18 4th, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 Nc6)

    6.d4 Nf6 7.Bd3 e5 8.d5+= Nb8 9.0-0 Bg4 (9...Be7 10.Nc3+=) 10.Nbd2 (10.h3!? Bc8 11.Nc3+/-) 10...Be7+= 11.Nc4 0-0 12.Ne3 (12.h3 Bf3 13.Qf3 Qc7+=) 12...Nbd7= 13.h3 Bf3 14.Qf3 (worse is 14.gf3 g6+=) 14...g6 15.g4 (15.Rfb1 Qc7=) 15...Ne8 16.Kh1 Bg5 17.Rfb1 Rb8 (17...Qc7 18.Ra2=) 18.Bb4 a6 19.Nc4 Qc7 20.Ba5 (20.Kg2!?=) 20...b6+= 21.Bb4 (21.Bd2 Bd2 22.Nd2 a5+=) 21...a5-/+ 22.Ba3 b5 23.Na5 Qa5 24.Bd6 Qa1 25.Ra1 Nd6 26.Ra6 Rb6 27.Bb5 Ra6 28.Ba6+= Nc5 29.Qa3+= Nde4 30.f3 Na6 31.fe4+/- Nc7 32.Qd6 Nb5 33.Qe5 Bd8? 34.c4+- Bc7 35.Qe7 Bd8 36.Qd7 Nd4 37.c5+- Bh4 38.Qa4 Ne2? 39.c6 Bg3 40.Qc4 Nf4 41.c7 Rc8 42.e5 Kg7 43.d6 Ne6 44.Qa6 Rc7 45.dc7 Nc7 46.Qf6 Kf8 47.Qd6 (47.Qd6 Ke8 48.Qc7+-) 1–0. Rubes,Jan (2095) – Seidl,Stepan (2185), Prague CZE, European Ch Boys U18, 2012. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 ba3 5.Ba3 d6)

    6.d4 Bg4 7.c3 Qa5 8.Qb3 Qc7 9.Nbd2 Nf6 10.Bd3 g6 11.0-0 Bg7 12.h3 Bd7 13.e5 de5 14.Ne5 Ne5 15.de5 Nh5 (15...Qe5 16.Rfe1 Qf4 17.Be7 Qd2 18.Qb7+-) 16.Nf3 Nf4 17.Qb4 Bh3?? (better is 17...Nd5 18.Qb3 Be6 (worse is 18...Nc3 19.Rfc1+-) 19.Bb5 Kf8+=) 18.Qf4 (18.gh3?! Nd3 19.Qb5 Qd7 20.Qd7 Kd7+/-) 18...Qc3?? (better is 18...Bd7+-) 19.Bb5 (19.Bb5 Kf8 20.Rfc1 Qa1 21.Ra1+-; 19.gh3?! Qd3 20.Rfd1 Qb3+-) 1–0. Van Riemsdijk (1800) – Eugenio, Sao Paulo CXSP–ch U20, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 Nc6)

    6.d4 Bg4 7.d5 Ne5 8.Ne5 Qa5 9.Qd2 Qd2 10.Nd2 de5 11.Bc5 a6 12.Bb5 Bd7 (12...ab5 13.Ra8) 13.Bd7 Kd7 14.Nc4 Ke8 15.Ne5 Nf6 16.f3 Nd7 17.Nd7 Kd7 18.e5 (18.Kd2!? e6 19.Bf8 Rhf8 20.c4+=) 18...e6 19.d6 Rc8 20.Ra5 Rc6 21.Bf2 g6 (21...f6!? 22.Kd2 fe5+=) 22.0-0 Bg7 23.Bd4 Rb8 (23...Rd6!? 24.ed6 Bd4 25.Kh1 Kc6+= (25...Kd6? 26.Rd1+-)) 24.c3+= Bf8 25.Rb1 b5 (25...Bh6!?+/-) 26.Rba1+- Ra8 (26...f6 27.Ra6 fe5 28.Be5 Bd6 29.Rc6 Be5+-) 27.Rb5! ab5 28.Ra8 Bh6 (28...Bd6 29.ed6 Rd6 30.Ra7 Ke8 31.Bf6+-) 29.Ra7 Ke8 30.Rb7 (30.Re7 Kf8+-) 30...Bg5 (30...Bd2 31.Re7 Kd8 32.Rf7+-) 31.Rb5 h5 32.Kf2 Bh6 (32...h4 33.Rb8 Kd7 34.Rb7 Ke8 35.g3+-) 33.Rb8 Kd7 34.Rb7 Ke8 (34...Kd8 35.Bb6 Kc8 36.d7 Kb7 37.d8Q Rb6 38.Qe7 Ka6 39.Qf7+-) 35.Bb6 (35.Bb6 Rb6 36.Rb6+-) 1–0. Muzychuk,Mariya (2165) – Khaniuchenko,Marina, UKR–ch U14 Girls, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    6.d4 g6 7.h4 (7.Nbd2 Bg7 8.Bb2 Bg4+=) 7...Bg4 8.c3 Bg7 9.Nbd2 (9.Bc4 e6-/+) 9...Nf6-/+ 10.Qb3 Qb6 (10...Qc7 11.d5 Bf3 12.gf3-/+) 11.Qa2 (11.Qb6!? ab6 12.Bc4=) 11...Bf3 12.gf3 Nh5 13.Nc4 Qc7 14.Bc1 0-0 15.Rb1 Kh8 (15...Rfc8 16.Rg1-/+) 16.Bh3 (16.Rg1 Rfb8-/+) 16...b6 (16...Nf6 17.h5 Nh5 18.Qa4-/+) 17.Bg4+= Nf6 18.Ne3 (18.h5 Ng4 19.fg4 Na5 20.Na5 Qc3 21.Ke2 ba5+=) 18...h5 19.Bh3 Na5 (19...e6 20.Qc4 Rfc8 21.Ba3-/+) 20.Bd2 Bh6 (20...a6 21.Bf1-/+) 21.Rc1 Kh7 22.c4 Nb7 23.Nf5 Ng8 24.Nh6+= Nh6 25.Bh6 Kh6-/+ 26.Qd2 Kh7 27.f4 e5 28.fe5 de5 29.d5 Nc5 30.Qe2 Qe7 31.Bf5 Kg7 32.Rc3 Rh8 33.Rg3 Rh6 34.Qe3 Qf6 35.Rhg1 Kh7 36.Rg5 gf5 37.Rf5 Qe7 38.Qf3 f6-+ 39.Rh5 Nd3! 40.Kd1 Nf4 41.Rh6 Kh6 42.Qg3? Rc8 43.Qc3 Qc5 0–1. Capablanca,Jose Raul – Black,Roy Turnbull, New York, 1911. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nc6)

    6.Bc4 Nf6

    7.0-0 Bg4 8.Nc3 e5 9.h3 Bf3 10.Qf3= Be7 11.Rab1 a6 12.Rb7 Nd4 13.Qg3 Nc2? 14.Qg7+- Rg8 15.Qf7# (15.Bf7) 1–0. yourmove (2795) – oracleinshadows (1700), net–chess.com, 2008.

    7.Nc3 Bd7 8.0-0 e6 9.Qe2 Be7 10.Nb5 =. yourmove (2795) – vittorioilgrande (1955), net–chess.com, 2008.

    7.Nc3 e6 8.0-0 Be7 9.d4 0-0 10.d5 Na5 (10...ed5 11.ed5 Na5 12.Bd3+=) 11.Bd3 (11.Be2 b6=) 11...ed5 12.ed5 Bg4 13.Bb4 b6 14.Nb5 Nd7 15.Re1 (worse is 15.Bd6 Bd6 16.Nd6 Ne5-+; 15.Nd6? Ne5 16.Ra5 Bf3 (16...Bd6?! 17.Bd6 Qd6 18.Ra4-/+) 17.gf3 ba5-+ (17...Bd6?! 18.Bd6 Qd6 19.Ra1-/+)) 15...Ne5 16.Ba5 (16.Be2 Bf3 17.Bf3 Qd7 18.Ba5 Qb5+=) 16...Bf3+= 17.Bb6 Qb6 18.gf3 Bh4 19.Re3 f5 20.Nc3?? (better is 20.Kg2-/+) 20...Bf2!-+ (20...Nd3?! 21.Rd3 Qf2 22.Kh1-+) 21.Kf2 f4 22.Na4 (22.Kg2 fe3 23.Be4 Qb4-+) 22...Qe3 23.Kg2 Nd3 24.Qd3 Qd3 25.cd3 Rac8 26.Ra2 Rf5 27.Rd2 Rd5 28.Nb2 Rd4 29.Kh3 a5 30.Nd1 a4 31.Ra2 Ra8 32.Kg4 Rb4 33.Ra1 Kf7 34.h4 Kg6 35.d4 Rd4 36.Nf2 h5 37.Kh3 Kf5 38.Kg2 Ke5 0–1. Kotsuba,Aleksander – Khomyakov,Vladimir (2340), UKR–chT Alushta, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 ba3 5.Ba3 d6)

    7.Nc3 g6 8.0-0 Bg7 9.d4 0-0 10.Ng5 h6-/+ 11.Nf7 Rf7 12.Bf7 Kf7 13.Qd3 Kg8 14.f4 Qb6 15.Ne2 Bg4 16.c3 Be2 17.Qe2 Rf8 18.e5 Nh5 19.Qg4 de5-/+ 20.Bc5 Qc7 21.Qe6 Kh8 22.fe5 Rf1 23.Rf1=+ Ne5 24.Be7 Qd7 25.Qd7 Nd7 26.Bb4 Kg8 27.Re1 Bf8 28.Bf8 Kf8 29.Kf2 Nf4 30.Re3 Nd5 31.Rf3 Ke7 32.Ke2 b5-+ 33.Kd3 N7b6 34.g3 a5 35.Rf2 a4 36.Re2 Kd7 37.h4 a3 38.Re1 Nc4 39.Kc2 Nde3 40.Kb3 Nf5 41.Rg1 ½–½. Thrana,Svein Arne – Rathan,Raksha, Svein Johannessen Mem, Oslo NOR, 2008.

    7.Nc3 g6 8.d4? Bg4 (8...Qa5 9.Qd2 Bh6 10.Qd3 Ne4 11.Bb2-+) 9.Be2 (9.Bb2 Bg7-/+) 9...Bg7 (9...Qa5!? 10.Bb2 Qb4 11.Ra3 Bf3 12.Bf3 Nd4 13.Ra2-+) 10.0-0 0-0 (10...Nd7 11.e5 de5 12.d5 Bf3 13.Bf3-/+) 11.h3 Bf3 12.Bf3 Nd7 13.Ne2 Nb6 14.Qd3 Qc7 15.c3 Rfd8 16.h4 e5 17.d5 Ne7 18.g4 (18.Rfb1!?+=) 18...Nc4-/+ 19.Bc1 b5 20.h5 Nc8 (20...a5 21.g5-/+) 21.Bg5 Re8 22.Kg2 (22.Rfb1 Qd7-/+) 22...N8b6 23.Rh1 Nd7 24.hg6 hg6 (24...fg6 25.Rh2-/+) 25.Bh6 (25.Qb1!? Reb8 26.Kf1-/+) 25...Bh6-+ 26.Rh6 Kg7 27.Rah1 Rh8 28.g5 (28.Rh8 Rh8 29.Rh8 Kh8-/+) 28...Rh6 (28...Qd8!? 29.Rh8 Qg5 30.Ng3 Rh8 31.Rh8 Kh8 32.Be2-+) 29.gh6-/+ Kh7 30.Bg4 Nc5 31.Qf3 Qe7 32.Ng3 Rf8 (32...a5 33.Qe2-+) 33.Qe2 Qg5 34.Qf3 Nd2 35.Qe2 Nde4! 36.Ne4 Ne4 37.Qe4 f5 38.f4?? Qg4 (38...Qg4 39.Kf1 fe4 40.Rh3 Qf4 41.Kg2 Qf1 42.Kh2 Rf2 43.Kg3 Qg2 44.Kh4 Rf4#; 38...fe4? 39.fg5 a5 40.Ra1+-) 0–1. Garcia Lopez,FJ (1860) – Alcaide Garcia,M (1885), Malaga–chT Preferente, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 Nc6 5.Nf3 d6)

    7.d3 e6 8.0-0 Be7 9.Nc3 a6 10.Ne2 0-0 11.Ng3 d5 12.Be7 Qe7 13.ed5 ed5 14.Re1 Qc5 15.Bb3 Bg4 16.h3 Bf3 17.Qf3 Nd4 18.Qd1 Rfe8 19.Ne2 Ne2 20.Re2 Qc3 21.Qe1 Qe1 22.Rae1 Re2 23.Re2 Kf8 24.g4 a5 25.g5 Nh5 26.Bd5 Nf4 27.Re5 Nd5 28.Rd5 a4 29.Rb5 a3 30.Rb1 a2 31.Ra1 Ke7 32.g6 hg6-+ 33.Kf1 Kd6 34.Ke2 Kc5 35.c3 b5 36.Kd2 b4 37.h4 bc3 38.Kc3 Ra3 39.Kb2 Kb4 40.Kc2 f6 41.f3 g5 42.hg5 fg5 43.Kb2 Rb3 44.Ka2 Ra3 (44...Ra3 45.Kb2 Ra1-+; 44...Rd3?! 45.Rf1-+) 0–1. Siemms,Ross – Keller,Dieter, Wch U20 qual–A, 1953. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 Nc6)

    4.Ba3 d5

    5.e5 Nc6 6.d4 Bf5 7.c3 e6 8.Bf8 Kf8 9.g4 Be4 10.f3 Qh4 11.Ke2 Bg6 12.Bg2 f6 13.Qa4? (better is 13.ef6!? Nf6 14.Nh3-/+) 13...fe5-+ 14.de5 Ne5 15.Qf4 Qf6 16.Qb4 Ne7 17.h4 N5c6 18.Qa3 h6 (18...d4 19.Kf2-+) 19.h5 Bf7 20.Nh3 g5 (20...e5 21.Nd2-+) 21.Rd1 (21.hg6 Bg6 22.Qb2 Ke8-+) 21...Kg7 22.Kf2 Ne5 23.Qa4 (23.Kg1 b6-+) 23...Rhc8 24.Kg3 Nc4 25.f4 (25.Re1 e5-+) 25...Rc6 (better is 25...gf4 26.Nf4 Ne3 27.Qb3-+) 26.Qb5 Rb6 27.Qd7 (27.Qc5 gf4 28.Nf4 Nf5 29.gf5 Qg5 30.Kh2 Qf4 31.Kg1 ef5 32.Qd4 Qd4 33.Rd4-+) 27...Be8 28.Qc7 Rc8 29.fg5 hg5 30.Rf1 Rc7 31.Rf6 Kf6 32.Na3 Na3 33.Ra3 Ra6 34.Rb3 Rac6 35.c4 Rc4 36.Rf3 Ke5 37.Ng5 Rc3 38.h6 Ng6 39.h7 Rf3 40.Bf3 Nh8 41.Bd1 Bg6 0–1. Branson,James (1815) – Boussaha,Bilal (1990), Montigny le Bretonneux Noel op, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d5)

    5.e5 e6 6.Bf8= Kf8 7.d4 Nc6 8.Nf3 Nge7 9.Be2 a6 10.0-0 b5 (10...Kg8 11.Qd2=) 11.Ra3 (better is 11.Bb5!? Qb6 12.Nc3+/-) 11...Bb7 12.h4 (12.Nbd2 Nf5 13.Nb3 b4=) 12...Na5 13.Ng5 h6 14.Nh3 Nc4 15.Rf3 Nf5 16.Nf4 (16.h5 a5-/+) 16...Kg8 17.g3 b4 (17...a5 18.Nc3 b4 19.Na4-+) 18.Kg2? (18.c3 a5-/+) 18...a5 (18...Qb6 19.c3 bc3 20.Rc3 Qd4 21.Qd4 Nd4 22.Bc4 dc4 23.f3-+) 19.Rh1 (19.c3 Qb6-+) 19...a4 20.Kg1? (20.c3-+) 20...a3 21.g4 (21.Na3 ba3 22.Kg2 Qc7-+) 21...Nh4 (better is 21...a2 22.gf5 a1Q 23.fe6 fe6 24.Ng6-+) 22.Rfh3 (22.Nd2 Nd2 23.Rfh3-+) 22...a2 23.Rh4 a1Q (23...ab1R?! 24.Qb1 g5 25.Qb4-+; 23...ab1Q?! 24.Qb1 g5 25.Qb4-+) 24.Bd3 (24.Ng2 Na3 25.Kh2 Nb1-+) 24...Na3 (better is 24...Nb2 25.Qe1-+) 25.Kg2 (25.c3 Ba6 26.Bc2 Qb2 27.Na3 ba3-+) 25...Qb1 26.Qf3 Qh1! 27.Rh1 Ba6 28.Nh5 Bd3 29.cd3 b3 30.Rh3 b2 31.g5 b1Q 32.Nf6 Kf8 33.gh6 gf6 34.h7 fe5 35.Rh6 Qg5 (35...Qg5 36.Qg3 Qh6 37.Qg8 Ke7 38.Qf8 Kf8 39.f4 Qhh1 40.Kf2 Qbe1) 0–1. Batista,Miguel Angel – Rohrbaugh,Tommy P, Internet Section, 2004. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d5)

    5.ed5 Qd5

    6.Nc3 Qd8 7.d4 g6 8.Bc4 Nf6 9.Nf3 Bg7 10.Qe2 Nc6 11.Ne5?? Ne5 12.de5=+ Ng4 13.f4 Qa5?? 14.Qd2?? 0-0?? 15.0-0?? Qc7 16.Bb3 Rd8 17.Qe1?? Bf5 18.Nd5+= Rd5 19.Bd5 Qc2? 20.Be7 Re8 21.Bd6 h5? 22.h3+- Nh6 23.Ra7 Bd3 24.Rf2 Qc8 25.Bb7 Qe6 26.Qc3 Qd6 27.ed6 Bc3 28.d7 Rd8 29.Ra3 Bd4 30.Rd3 Rd7 31.Rd4 ½–½. giveaway (2400) – mic (2200), net–chess.com, 2008.

    6.Nc3 Qe5 7.Qe2 Qe2 8.Be2 Nc6 =.

    6.Nc3 Qe5 7.Be2 Bg4 8.d4 Be2 9.Nge2 Qf5 10.0-0 Nf6 11.d5 Na6 12.Re1 Rd8 13.Nd4 Qc8 14.Qe2 Rd7 15.d6 e6 (15...Qc3?? 16.de7 Be7 17.Be7+-) 16.Ne6 fe6 17.Qe6 Kd8 18.Nd5 Qc4? (better is 18...Rd6 19.Bd6 Qe6 20.Re6 Kd7 21.Bf8 Ke6 22.Bg7 Rg8 23.Nf4 Kf7 24.Bf6 Kf6 25.Nd5 Ke6+/-) 19.Bb2+- Kc8 (19...Bd6 20.Bf6 gf6 21.Qf6 Kc8 22.Qh8 Rd8+-) 20.Ne7 (20.Ne7 Be7 21.Qc4 Nc7 22.Ra7 Rd6 23.Ra8 Kd7 24.Rh8+-) 1–0. Janev,P (2045) – Konstantinov,Alek1 (1855), Varna BUL, 6th Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d5)

    6.Nc3 Qe5 7.Be2 Qg5 +=.

    6.Nf3 Nc6 ½–½. Bogut,Z (2435) – Saric,Iv (2465), 4th ch–Mediterranean, 2007.

    6.Nf3 Nf6 7.d4 Bg4 8.Nbd2 Nc6 9.Be2 Nd4-+ 10.Nd4 Qd4 11.Bg4 Ng4 12.0-0 Nh2! 13.Kh2 Rd8 14.Qf3 Qh4 15.Kg1-/+ Rd2 16.Qb7 (16.Qb7 f6 17.Qb5 Kf7 18.Bc1=). giveaway (2370) – wizardofoz (2400), net–chess.com, 2008.

    4.Ba3 d6

    5.Nc3 Nf6 6.Bb5 Bd7 7.Qe2 Nc6 8.Nf3 a6 9.Bc4 Bg4 10.e5 (10.h3 Bf3 11.Qf3 e6=+) 10...Bf3-/+ 11.Bf7? (better 11.Qf3 Nd4 12.Qb7 Nc2 13.Ke2 Nd4 14.Kf1-/+) 11...Kf7-+ 12.e6 Ke8 13.Qf3 Nd4 14.Qb7 Ne6 (14...Qb8 15.Qb8 Rb8 16.Kd1 Ne6 17.Re1-+) 15.Ne4 Qc8 16.Nf6 ef6 (16...gf6 17.Qd5-+) 17.Qe4 d5! 18.Qd5 Ba3 19.Ra3 Ra7 (19...Kf7 20.Rc3 Qd8 21.Qa2-+) 20.Re3 Re7 21.0-0 Kf7 22.f4 Qc5 (22...Qc2?! 23.f5 Rhe8 24.Rfe1= (worse 24.Re6 Re6 25.fe6 Re6-/+)) 23.Qb3 g6 24.c3 Rd8 25.d4 Qd5 26.Qb6 Kg8 27.Qa6 (27.Rf2 Rd6 28.Qb8 Kg7-+) 27...Nf4! 28.Ref3 (28.Rf4 Qd6 Double attack (28...Re3 Discovered attack; 28...Qd6 Decoy)) 28...Ne2 29.Kh1 f5 30.Re1?? (30.Qf6 Rde8 31.Qg5-+) 30...Ng3! 31.hg3 (31.Rg3 Re1 Mate attack; 31.hg3 Re1 Discovered attack) 31...Re1 32.Kh2 (32.Rf1 Re3 33.Qa1-+) 32...Ra8 33.Qf6 (33.Qb6 Re2 34.Kh3-+) 33...Rf8 (33...Ra2 34.g4 Qf3 35.Qd8 Kg7 36.Qd7 Kh6 37.g5 Kg5 38.Qd8 Kh5 39.Qh4 Kh4 40.c4 Qg2) 34.Qg5 Re2 35.Kh1 (35.Kh3 Qa2 36.Rf1 Rg2-+) 35...Ra8 36.Qc1 (36.Qf4 Ra1 37.Kh2 Raa2 38.Qb8 Kg7 39.Qc7 Kf6-+) 36...Raa2 (36...Rg2 37.Qd1 Raa2 38.Qf1 Rgf2 39.Qh3 Ra1 40.Qf1 Raf1) 37.c4 (37.Qg1 Qe4 38.c4-+) 37...Qd4 38.g4 Ra1 (38...Ra1 39.Kh2 Rc1 40.gf5 Qg1 41.Kg3 Qg2 42.Kh4 Rc4 43.Rf4 Rf4; 38...Rg2 39.Re3 Rh2 40.Kg1 Qg4 41.Rg3 Qg3 42.Kf1 Rh1) 0–1. Jaafar,Nasser – Muheim,Sebastien (2035), St Chely d'Aubrac op 9th, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.Nc3 g6 6.Rb1 Bg7 7.d4 Nc6 8.Bb5 Bd7 9.Bc6 Bc6 10.Nge2 b6 11.0-0 Nf6 12.d5 Bb7 13.f4 0-0 14.h3 Rc8 15.e5 (15.Qd3!?-/+) 15...de5-+ 16.d6 ed6 17.fe5 Ne4 18.Nb5 Be5 19.Na7 Nc3 20.Nc3 Rc3 21.Nb5 Qg5 22.Qg4 (22.Rf2 Rh3 23.Rb3 Bh2 24.Kf1 Rb3 25.cb3 Qb5 26.Qe2 Qb3 27.Bb4 Qb4 28.g3 Qb1 29.Qe1 Ba6 30.Re2 Be2 31.Ke2 Re8 32.Kd2 Qe1 33.Kd3 Re3 34.Kc4 Qa5 35.Kd4 Qc5) 22...Qe3 23.Kh1 Rc2 24.Rg1 (24.Rbe1 Rg2 25.Re3 Rg4 26.Rff3 Rg3 27.Bd6 Bd6 28.Nd6 Bf3 29.Rf3 Rf3-+) 24…h5 (24...h5 25.Bc5 bc5 26.Rb3 Qb3 27.Qg3 Qg3 28.Nd6 Qh3) 0–1. Sebastian Enesco,Alex (1730) – Almagro Llamas,Pablo (2440), San Sebastian de los Reyes ESP, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.Nc3 g6 6.Nf3 Bg7 7.Bc4 Qc7 8.Bb5=+ Nc6 9.Nd5 Qd8 10.0-0 Bd7 11.Qe2? Nf6 12.d4? Rc8 0–1. marcosramospg – rogeliovargas (2190), net–chess.com, 2010.

    5.Nc3 g6 6.f4 a6 7.Nf3 Bg7 8.e5 de5 9.fe5 Nc6 10.d4 Nh6 11.Bc4 0-0 12.Nd5 (12.Bd5 Nf5 13.Bc1 Qc7-/+) 12...Be6-/+ 13.Ne3 Ng4 14.Ng4 Bc4 15.Ne3 Bd5 16.Nd5 Qd5 17.0-0 b5 18.Qd2 Rfd8 19.Bc5 (better 19.Rad1!?-/+) 19...Ne5! 20.c3?? (20.de5 Qc5 Double attack (20...Qd2 Pinning; 20...Qc5 Deflection; 20...Qc5 Decoy; 20...Qc5 Overloading); 20.Ne5 Qc5 Decoy) 20...Nf3 21.Rf3 Qc5! 22.Qf2 (22.dc5 Rd2 Pinning (22...Rd2 Deflection; 22...Rd2 Clearance)) 22...Qd5 (22...Rd4 23.Re1 Rd5 24.Qc5 Rc5 25.Re7-+) 23.Rf1 (23.Rb1 e5-+) 23...Rf8 (better 23...b4!? 24.Kh1 bc3 25.Qe2-+) 24.Rh3 Rac8 25.Qh4 h5 26.Qe7 (26.Qe1 e5 27.de5 Qe5-+) 26...Rc3! 27.Rc3 Bd4 28.Re3 Qc5 29.Qc5 (29.Kh1 Be3 30.Qd7 a5-+) 29...Bc5 30.Kf2 Re8 0–1. Augstein,Joerg – Ksieski,Zbigniew (2410), Tierpark op 2nd, 1998. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.Nc3 g6 6.h4 h5 7.Nh3 Bh3 (7...Bg7 8.Bb2-/+) 8.Rh3=+ Bg7 9.Rb1 Nf6 (9...Qc8 10.Nd5 Nc6 11.Rhb3=) 10.Rb7= Nbd7 11.Bb5 (11.Nb5 0-0=) 11...0-0 12.Nd5 Nd5 13.Rd7 Qa5 14.Rb3 Rab8 15.Qb1 (15.c4 a6 16.cd5 Rb5 17.Rb5 ab5=+) 15...Nf4 (15...Nf6 16.Re7 Rb5 17.Rb5 Qa3 18.Rbb7=+) 16.Bf1 (16.g3!? Ne6 A) worse 17.Re7 Nd4 18.c4 a6 19.Bd6 ab5 20.Bb8 Rb8-+ (20...Nb3?! 21.Qb3 Rb8 22.cb5 Qa1 23.Ke2=); B) 17.Bd3 Rb3 18.Qb3=) 16...Rb3=+ 17.Qb3 Ne6 (17...Qe5!? 18.Kd1 Qe4=+) 18.c3= (worse 18.Re7 Nd4 19.Qd3 Qa3 20.Qa3 Nc2 21.Kd1 Na3 22.Ra7 Bb2-+) 18...Bf6 19.g3 Nc5 20.Bc5 Qc5 (20...dc5 21.Bc4 Kg7 22.Ke2+/-) 21.Bd3 (21.Qb4!? Qb4 22.cb4+=) 21...a5= 22.Rb7 Ra8 (22...e6 23.Qa4=) 23.Qa4 (23.Bc4!? Rf8 24.d4+=) 23...Kg7 24.Rb5 Qc6 (24...Qc7 25.Kf1=) 25.Bc2 (better 25.e5!? de5 26.Be4+/-) 25...Qc7= 26.Ke2 Qc6? (26...Kg8 27.Kf1=) 27.Kd1 (27.Ra5 Qa4 28.Ra4+/- (28.Ba4?? Ra5 29.Bc6 e6-+)) 27...Qc7= 28.Kc1 (28.Bb3 e6=) 28...Qa7=+ 29.d4 Qc7 (29...e5 30.Qb3 Rf8 31.Qa4=) 30.Kd2 e5 31.Bd3 Qd7 (31...Qa7=) 32.Rb4 (better 32.Bc4!?+=) 32...Qg4-/+ 33.Rb7 (33.Rb1!?-/+) 33...Qf3 34.Qc4 (34.Qa2!? Qf2 35.Be2-+) 34...Qf2-+ 35.Kd1 Rf8 36.Rd7 (36.Ra7-+) 36...ed4 37.cd4 Bd4 38.Rd6 Be5 39.Rd7 Qg3 40.Qd5 Qf3 41.Kd2 Qf2 42.Kd1 Qg1 43.Ke2 Qg4 44.Kf2 (44.Kf1 Bg3 45.Qd4 Kh7-+) 44...Bg3 45.Ke3 Qf4 46.Kd4 (46.Ke2 Qf2 47.Kd1 Rb8-+) 46...Bf2 (better 46...Rc8 47.Rf7 Qf7 48.Qf7 Kf7 49.Bc4 Ke7-+) 47.Kc3 Qc1 48.Kb3 Rb8 49.Rb7 (49.Bb5 a4! 50.Ka2 Qc2 51.Ka1 Qc3 52.Kb1 Kh8 53.Rd8 Rd8 54.Qd8 Kg7-+) 49...Rb7 (49...a4 50.Ka2 Qd2 51.Ka3 Qc3 52.Ka2 Rb7 53.Qb7 Qd3 54.Qb8-+) 50.Qb7 Qc5 (50...Qd1 51.Kc3-+) 51.Qa6 (51.Qb5 Qb5 52.Bb5 Bh4-+) 51...Qb4 52.Kc2 Bh4 53.Bc4 (53.Qb5 Qe1-+) 53...Bf6 54.Bd5 Qc3 55.Kd1 Qd4 56.Kc2 Qc5 57.Kd3 h4 58.Qb7 Qe7 (58...Qc3 59.Ke2-+) 59.Qa6 (59.Qe7 Be7 60.e5 a4-+) 59...Be5 60.Qa5 h3 61.Qe1 h2 62.Ke3 0-1. Savchenko,B (2580) - Dubov,Daniil (2695), Moscow RUS, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nc3)

    5.Bc4 e6 6.Nf3 Be7 7.0-0 Nf6 8.Nc3 0-0 9.Qe2 Nc6 10.d4 Re8 11.e5 de5 12.de5 Nd5 13.Ne4 Ba3 14.Ra3 Qc7 15.Nd6 (15.Bb5 Rd8 16.c4 Nf4=+) 15...Rd8=+ 16.Ng5? (better 16.Nb5 Qe7 17.Rfa1=+) 16...Ne5!-+ 17.Qe5 Qd6 (17...Rd6 18.Bd5 Qc5 19.Qf4=) 18.Qe4 (18.Qd6 Rd6 19.Rd1 h6-+) 18...Nf6 (18...Qa3 19.Qh7 Kf8 20.Qh8 Ke7 21.Qg7-+) 19.Qf3 (19.Qe3 Qb4 20.Rd3 Bd7-+) 19...Qc5 20.Rd3 Rd3 21.Qd3 Bd7 22.Nf3 (22.Ne4 Ne4 23.Qe4 Bc6-+) 22...Rc8 23.Bb3 Bb5 (23...Bb5 24.c4 Bc4 25.Bc4 Qc4-+) 0–1. Rodl,Martin – Steinhauser,Antonin (1910), CZE–ch U16 Volyne, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.d3 Nf6 6.Nf3 g6 7.Be2 Bg7 8.0-0 (8.Bb2 0-0=+) 8...0-0 (better 8...Ne4!? 9.Ra2 Nf6-+) 9.Bb2 Bg4 10.Nc3 Nc6 11.Qd2 a6 12.Rfb1 b5 13.Nd5 Bf3 14.Bf6 ef6 (14...Be2 15.Bg7 Kg7 16.Qe2-/+) 15.Bf3=+ Nd4 (15...f5 16.c3 Ne5 17.Be2 fe4 18.de4=+) 16.Bd1= f5 (16...Re8 17.c3 Nc6 18.Bb3=) 17.Ra2 (better 17.c3!? Nc6 18.ef5+=) 17...fe4=+ 18.de4 Re8 19.Bf3 (19.f3 Ne6=+) 19...Nf3 20.gf3 Qh4 21.Qf4 (21.Nc7 Be5 22.Kf1=) 21...Qf4-/+ 22.Nf4 Rec8 23.Nd5 Rc5 24.Ra5 Bc3 (better 24...Rc2!? 25.Rbb5 Bd4-+ (25...ab5?! 26.Ra8 Bf8 27.Rb8=)) 25.Nc3=+ Rc3 26.Rbb5 ab5 27.Ra8 Kg7 28.Rb8 Rc5 29.Rb6 d5 30.ed5 (30.c3 f5 31.e5 f4=+) 30...Rd5-/+ 31.Rc6 h5 32.Kg2 Rd2 33.Rb6 Rd5 34.Rc6 Kf8 35.h4 Ke7 36.c4 bc4 37.Rc4 Re5 38.Ra4 Kf6 39.Rb4 Kf5 40.Ra4 f6 41.Rb4 (41.Kg3 Rc5=+) 41...Rd5 42.Kg3 Ke5 (42...g5 43.Ra4-/+) 43.Re4=+ Kf5 44.Rf4 (44.Rb4 g5-/+) 44...Ke5 45.Re4 Kd6 46.Re3 Re5 47.Rd3 Ke6 48.Rd4 g5 (48...Ra5 49.Re4 Kf5 50.Rf4 Ke5 51.Re4 Kd6 52.Rf4=+) 49.f4 gf4 (49...gh4!? 50.Kh4 Ra5=+) 50.Rf4 Rf5 51.Re4 Re5 (51...Kf7 52.Rb4=) 52.Ra4 (52.Kf4!? Kd5 53.Re5 fe5 54.Kg5=) 52...Kf5= 53.Rf4 Kg6 54.Ra4 Rf5 55.Rb4 Re5 56.Ra4 Rd5 57.Rb4 Rd3 58.Kg2 Kf5 59.Ra4 Rc3 60.Rb4 Ra3 61.Rc4 Rd3 62.Rb4 Rd5 63.Rc4 Re5 64.Rb4 Re4 65.Re4?? (better 65.Rb5 Kg6 66.Kg3=) 65...Ke4-+ 66.Kg3 f5 67.Kg2 Kf4 (67...Kf4-+) 0-1. Hirneise,J (2285) - Jovanovic,Zo CRO (2515), Titled Arena Apr 3rd, 2021. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d3 d6 5.Ba3)

    5.d4 Qa5 6.c3 (6.Nd2 Qc3=) 6...e6 (6...Nf6 7.Nd2 Bd7 8.Qc2=) 7.Bd3 a6 8.Ne2 b5 9.0-0 Nf6 (9...Nc6 10.Qc1=) 10.f4 (10.e5!? Ng8 11.Nd2+/-) 10...Ng4 (10...Nc6 11.Nd2 Qd8 12.Qc2=) 11.Rf3 (11.Qe1 Bb7+=) 11...Qb6 12.h3 Nf6 13.e5 Nd5 14.Be4 de5 (14...Qc6 15.Qb3 Nd7 16.Nd2=) 15.Bf8+= Kf8 16.fe5 g6?? (16...Nd7!? 17.Bd5 ed5+/-) 17.Nf4 (better is 17.c4 bc4 18.Nd2+-) 17...Kg7 18.Nd5 (18.Bd5 ed5 19.Nd5 Qb7+/-) 18...Qc6?? (better is 18...ed5 19.Bd5 Ra7+/-) 19.Nf6 (better is 19.Rf7! Kf7 20.Qf3 Kg7 21.Qf6 Kh6 22.Qh8 Qd7+-) 19...Qc7 (19...Qb6 20.Ba8 Nd7 21.Rf2 Nf6 22.ef6 Kg8 23.Qc1+-) 20.Ba8 Nd7 21.Qf1 (21.Qd2 Qd8+-) 21...Rf8 22.Nd7 (22.Qc1 h6 23.Qf4 Qd8 24.Nd7 Qd7+-) 22...Bd7 23.Nd2 (better is 23.Ra6 b4 24.cb4+-) 23...Ra8 (23...Qa7 24.Be4 Kg8+-) 24.Rf7 Kg8 25.Qf6 (25.Qf6 Qe5 26.de5 Bc6 27.Qg7) 1–0. Garcia Alvarez,JB – Fuente Gutierrez,JR, Asturias–ch Primera A, 2001. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Ba3)

    5.d4 a6 6.Bd3 g6 7.c3 Bg7 8.f4 Nf6 9.Nf3 Bg4 (9...Nc6 10.0-0=+) 10.h3 Bf3 (10...Bc8!?=+) 11.Qf3= (worse 11.gf3 0-0-+) 11...Nc6 12.e5 de5 13.fe5 Nd5? (13...Nd7 14.Be4=) 14.Be4 (14.Bc4 e6 15.0-0 Qd7+-) 14...e6? (better 14...Nc7+=) 15.0-0+- Qd7 16.Nd2 Nd8?? (better 16...f5 17.ef6 Nf6+-) 17.Nc4 Bf8 18.Bd5 Qd5 (18...ed5 19.e6! Qe6 20.Rae1 Ba3 21.Na3+-) 19.Qf6 Rg8 20.Bf8 Rf8 21.Nb6 Qc6 22.Na8 b5 (22...Qc8 23.Nb6 Qc3 24.d5 Qc5 25.Kh1 Qb6 26.Rac1+-) 23.Qf3 (23.Ra6 Qa6 24.Nc7 Kd7 25.Na6 Nc6 26.d5 b4 27.dc6 Kc6 28.Qe7 Rc8 29.Qc5 Kb7 30.Rf7 Rc7 31.Rc7 Ka6 32.Ra7) 23...Kd7 (23...Ke7 24.Qc6 Nc6 25.Ra6+-) 24.Qc6 (24.Qc6 Nc6 25.Ra6+-) 1–0. Lessard,Claude (1870) – Chabot,Michelin, Quebec Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 a6)

    5.d4 a6 6.Nf3 e6 7.Bd3 g6 8.0-0 Bg7 (8...Nc6 9.d5 Ne5 10.Ne5 de5 11.c4 Ba3 12.Qa4 Bd7 13.Qa3+/-) 9.c3 (9.Nbd2!? Bf8+-) 9...Nf6 (9...Nc6 10.Nbd2 b5 11.d5+/-) 10.e5 (10.Nbd2!?+/-) 10...de5+= 11.Ne5 Nfd7 (11...b5!?+/-) 12.f4 Bf8 13.Bf8 Kf8 14.Qf3 (14.Nd2!?+/-) 14...Kg7 15.Nd2 Rf8 (15...Qc7 16.Ra3+/-) 16.Qg3 (16.Ndc4 f6 17.Ng4 Nc6+=) 16...f5 17.Ndf3 (17.Ndc4 b5 18.Na5 Ne5 19.fe5 Nd7=) 17...Ne5+= 18.Ne5 Nd7 19.h4 (better is 19.Qe3!?+=) 19...Ne5+= 20.fe5 Bd7 21.Rf4 Rc8 22.Be2 Be8 23.Qf3 (23.h5 g5+=) 23...Bc6-/+ 24.Qg3 Be4 25.Qh3 (25.h5!?-/+) 25...Qb6-+ 26.Qe3 Qb2 27.Rc1 a5 (27...b5!? 28.h5-/+) 28.Rf2-/+ Qb3 29.Bd1 (29.h5 a4-/+) 29...Qd5 30.h5 b5 31.hg6 (31.Bf3 b4-+) 31...hg6-+ 32.Qg5 (32.Bf3 b4-+) 32...Qd8 33.Qg3 (33.Qd8 Rfd8 (worse is 33...Rcd8 34.Rb2-/+) 34.Ra2 b4 35.Ra5 Rc3 36.Rc3 bc3-+) 33...Rh8 34.Bb3 Kf7 (34...Qe7 35.Bc2 Bd5 36.Bd3-+) 35.Be6 (better is 35.Rf4 Bd5 36.Bd5 Qd5 37.Rb1-+) 35...Ke6 36.Qg6 Kd7?? (36...Kd5 37.Ra2 Kc4 38.Qe6 Qd5 39.Qd5 Bd5 40.Ra5 Rcg8-+) 37.Qd6= Ke8 38.Qg6 Kd7 ½–½. Martinez,Laura Natalia (1690) – Velasquez,Angie Gabriela (1755), Mosquera COL, Open (w), 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.d4 Nc6 6.c3 Nf6 7.Bd3 e6 8.Nf3 Be7 9.Nbd2 0-0 10.Qe2 a6 11.e5 de5 12.Ne5 Ne5 13.Qe5 Ba3 14.Ra3 b5 15.Ne4 Bb7 16.Nf6 Qf6 17.Qf6 gf6 18.0-0 Rac8 19.Re1 Rc7 20.h3 Rfc8 21.Re3 Kg7 22.Rg3 Kh8 23.Be2 f5 24.Bf3 Bf3 25.Rf3 Rc6 26.g4 fg4 27.hg4 Kg7 28.Kg2 R8c7 29.Kg3 Kf8 30.Re3 Ke7 31.f4 Kd6 32.Kf3 f6 33.Ke4 Rg7 34.Rd3? Rg4-+ 35.d5 f5 36.Kf3 ed5 37.Ra1 Kc5 38.Rad1 Rd6 39.Rd4 a5 40.Ra1 a4 41.Rb1 Rg8 42.Rdb4 Rb8 43.Ra4 ba4 44.Rb8 Ra6 45.Rc8 Kd6 46.Rd8 Kc5 47.Rc8 Kd6 48.Ke3?? a3-+ 49.Rd8 Kc7 50.Rh8 a2 51.Rh7 (51.Rh7 Kc6 52.Rh1-+) 1–0. inznorek (1700) – gerulica (1620), kurnik, 2011.

    5.d4 Nc6 6.Nf3 Bd7 7.c3 e6 8.Bd3 Be7 9.Nbd2 Nf6 10.Qe2 0-0 11.h3 a6 12.g4 b5 13.g5 Ne8 14.h4 Qb6 15.Rb1 Na5 16.h5 Qc7 17.Bb2 Bc6 18.Rg1 f5 19.gf6 Nf6 20.Ng5= Bd7 21.Ba3 h6-/+ 22.e5 de5?? 23.Be7+- hg5 24.Bf8 Rf8 25.Rg5 ed4 (25...ed4 26.cd4 Qf4+-) 0–1. inznorek (1705) – bvulle (1715), kurnik, 2011.

    5.d4 Bd7 6.Nf3 Nf6 7.Bd3 g6 8.c3 Bg7 9.Nbd2 0-0 10.Qe2 a6 11.Bb2 Nc6 12.h4 Nh5 13.Bc4 b5 14.Bb3 e5 15.Ng5? ed4-+ 16.g4?! dc3 17.gh5 cb2 18.Rb1 Nd4 19.Qd3 Nb3 20.Qb3 a5 21.hg6 hg6 22.Ndf3 a4 23.Qa3 Qa5 24.Kf1 Qc3 25.Qc3 Bc3 26.h5 a3 27.hg6 fg6 28.Rh7 a2 29.Rd1 b1Q (29...b1Q 30.Kg2 Qd1-+) 0–1. inznorek (1625) – predator65, kurnik, 2011.

    5.Nf3 Nc6 6.d4 g6 7.Nbd2 Bg7 8.Bb2 Nf6 9.d5 Nb8 10.Bc4 0-0 11.0-0 Bg4 12.Re1 Nbd7 13.h3 Bf3 14.Nf3 Rc8 15.Bd3 a6 16.c4 Nc5 17.Bc2 Nfd7 18.Bg7 Kg7 19.Rb1 Re8 20.e5 de5 21.Ne5 Ne5 22.Re5 e6 23.Qd2 Qd6 24.Qe1 Nd7 25.Re2 Rc4 26.Bb3 Rd4 27.de6 fe6 28.Re6 Re6 29.Be6 Nc5 30.Bg4 b5 31.Rb4 Rd3 32.Rb1-/+ h5 33.Be2 Rd4 34.Bf1 Rd5 35.Rc1 Qe5 36.Qb4 Nd3 37.Bd3 Rd3 38.g3 Rd4 39.Rc7 Qc7-+ 40.Qd4 Kh7 41.Qb4 Qe5 42.Kg2 Qd5 ½–½. Meissen,Frank (2495) – Scherer,Rolf (2505), RSS7E top–23, 2008.

    5.Nf3 Nc6 6.d4 g6 7.Nbd2 Bg7 8.Bb2 Bg4 =+.

    5.Nf3 Nc6 6.d4 g6 7.h4 Bg4 8.c3 Bg7 9.Nbd2 Nf6-/+ 10.Qb3 Qb6 11.Qa2 Bf3 12.gf3 Nh5 13.Nc4 Qc7 14.Bc1 0-0 15.Rb1 Kh8 16.Bh3 b6 17.Bg4=+ Nf6 18.Ne3 h5 19.Bh3 Na5 20.Bd2 Bh6 21.Rc1 Kh7 22.c4 Nb7 23.Nf5 Ng8 24.Nh6=+ Nh6 25.Bh6 Kh6-/+ 26.Qd2 Kh7 27.f4 e5 28.fe5 de5 29.d5 Nc5 30.Qe2 Qe7 31.Bf5 Kg7 32.Rc3 Rh8 33.Rg3 Rh6 34.Qe3 Qf6 35.Rhg1 Kh7 36.Rg5 gf5 37.Rf5 Qe7 38.Qf3 f6-+ 39.Rh5 Nd3! 40.Kd1 Nf4 41.Rh6 Kh6 42.Qg3? Rc8 43.Qc3 Qc5 0–1. Capablanca,Jose Raul – Black,Roy Turnbull, New York, 1911.

    5.Nf3 e5 6.Bc4 Bg4 7.c3 Nf6 8.Qb3 Qc7 9.Ng5 Bh5 10.f3 h6 11.Nh3 Nc6 12.0-0 0-0-0 (12...a6!? 13.Bd5 Na5-/+) 13.Qc2 Bg6 14.d3 (14.Qa2!?=) 14...d5=+ 15.Bb3 de4 16.fe4 Qb6 17.Kh1 Ng4 18.Nd2 (18.Bc1 Ne3 19.Be3 Qe3=+) 18...Na5 (18...Ne3 19.Nc4 Nc2 20.Nb6 Kc7 21.Nd5 Rd5 22.ed5 Na1 (22...Na3?! 23.dc6 bc6 24.d4=; 22...Ba3 23.Bc2 Bb2 24.dc6+-) 23.Ra1 Ba3 24.Ra3 Ne7-/+) 19.Rfb1= Qc7 20.Qa2 (better 20.Bf8!? Rhf8 21.Re1=+) 20...Rd3 21.Bf8 Nb3 (21...Rf8 22.Kg1 A) 22...Qc3?? 23.Rc1 Nc6 24.Rc3 Rc3 25.Be6 fe6 26.Qe6 Kc7 27.Qg6+- (27.Qg4?! Rf6+-); B) 22...Nb3?! 23.Nb3 Be4 24.Qa7-+; C) 22...Rfd8-+) 22.Nb3 Rf8 23.Qa7 (better 23.Qe2 Rh3 24.Qg4 Qd7 25.Qe2=) 23...Rc3?? (23...Be4!? 24.Nf2 Nf2 25.Qf2 b6=+) 24.Qa8 (better 24.Rc1 Rd8 25.Qa8 Kd7 26.Rc3 Ra8 27.Rc7 Kc7 28.Ra8 Be4 29.Re8+=) 24...Qb8=+ 25.Qa3 Rd8 26.Qb4 Rc7 (26...Rh3 27.Qc4 Kd7 28.Nc5 Ke7 29.gh3=+) 27.Rd1 Rg8 28.Ra3?? (28.Rdc1 Rc6 29.Na5+-) 28...Rc6?? (better 28...Ne3 29.Rd2 Nc2 30.Rc2 Rc2-+) 29.Na5+- Qc7 (29...Rc7 30.Rad3 Qa7+-) 30.Nc6 bc6 31.Qa4 (31.Qa4 Qb7 32.Rb3 Qb3 33.Qb3+-; 31.Ra8 Qb8 32.Qb8) 1–0. Schwager,P – Seiter,G, EU–ch I17 corr, 1958. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 e5)

    5.Nf3 Bg4 6.Be2 (6.h3 Bh5+=) 6...Nc6= 7.0-0 Nf6 8.Nc3 g6 9.d4 a6 (9...Bf3 10.Bf3 Bg7 11.Rb1=) 10.d5 Bf3 11.Bf3 (11.gf3!? Nb8 12.f4=) 11...Ne5=+ 12.Be2 Bg7 13.Kh1 (13.f4!? Ned7 14.Qd3=+) 13...Rc8=+ 14.Bb2 Nc4 15.Bc4 Rc4 16.f3 (16.Qd3!? Qc7 17.Nd1=+) 16...0-0 17.Ne2 Qc7 18.c3 (18.Ra3 Rc8-+ (18...Rc2?! 19.Bc3 Qc5 20.Rb3=+)) 18...Nd7-+ 19.Ra3 a5 20.Qd2 b5 21.Rfa1 Ra8 22.Rc1 Rc8 23.h3 Nc5 24.Nd4? (24.Qe3 Bf6-+) 24...Qb6 (better 24...Ne4 25.fe4 Bd4 26.Rca1-+) 25.Nc6 Rc6 26.dc6 Qc6 27.Qd5 (27.Ra5?? Nb3 28.Qg5 Na5 29.Qe7 Qc8-+) 27...Qd5 28.ed5 Nd3 (28...a4!? 29.Kg1-+) 29.Rb1-/+ Nb2 30.Rb2 Bc3 (30...b4!? 31.Ra5 Bc3-/+) 31.Rb5=+ Bb4 (31...Kg7 32.Ra2=+) 32.Re3= Rc7 33.Re2 Ra7 34.Rb8 (34.Re4 Kg7=) 34...Kg7=+ 35.g4 f6 (35...Bc5 36.Re8=+) 36.h4 Bc5 37.Re8 Kf7 38.Rh8 Kg7 39.Rb8 (better 39.Re8!? Kf7 40.Rh8=) 39...a4-/+ 40.Re8 (40.Kg2!?-/+) 40...Kf7-+ 41.Rh8 Kg7 42.Re8 ½–½. Jensen,Dan Bronnum – Madhy,Nezar, Politiken Cup, Copenhagen DEN, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 Bg4)

    5.Nf3 g6 6.Bb2 Nf6 7.e5 de5 8.Ne5 Bg7 9.Bc4 e6 10.0-0 0-0 11.d4 Nbd7 12.Nf3 Nb6 13.Bb3 (13.Bd3 Nbd5=+) 13...Nbd5 (13...a5 14.c4 a4 15.Ba2-/+) 14.Ba3 (14.c4 Ne7=) 14...Re8=+ 15.c4 Nb6 (better 15...Ne7!?=+) 16.Nc3+= Qc7 (16...a6!?+=) 17.Nb5+- Qd8 18.Nd6 Rf8 19.Nc8 Rc8 (19...Nc8 20.Bf8 Bf8 21.Qe2+-) 20.Bf8+- Qf8? (better 20...Kf8!? 21.c5 Nbd5 22.Ra7 Nc3+-) 21.c5 Nbd5 22.Ra7 b6 (22...Ra8 23.Rb7 Qc8 24.Bd5 Nd5 25.Qb3+-) 23.Bd5 (23.cb6!? Nb6 24.Ng5 Nbd7 25.Ne6 Qd6+-) 23...Nd5 24.cb6 Nb6 25.Qb3 (25.Ng5 Qd8 26.Nf7 Qd5+-) 25...Nd5 26.h3 h6 (26...Nf4 27.Re1 Ra8 28.Ra8 Qa8 29.Rb1+-) 27.Rfa1 Nf4 (27...Nb4 28.Qb2+-) 28.Qe3 g5 29.Kh2 Nd5 30.Qa3 (30.Qe2 Nc3 31.Qd3 Qb4+-) 30...Qd8 (30...Qa3 31.R1a3 Rc4 32.R3a4+-) 31.Ra8 Nb6 (31...Qc7 32.g3 Bf8 33.Rc8 Qc8 34.Qb2+-) 32.Rc8 Qc8 33.Qa7 Nd5 34.Qa8 (34.Rb1 Qc7 35.Qc7 Nc7 36.Rb8 Bf8+-) 34...Qa8 35.Ra8 Kh7 36.g3 Kg6 37.Ra4 h5 38.Nd2 (better 38.Ne5 Be5 39.de5+-) 38...Nb6+- 39.Rb4 Nd5 40.Rc4 Nb6 41.Rc2 Bd4 42.Nf3 Ba1 43.h4 g4 44.Ng5 Be5 45.Kg2 Nd5 46.Rc8 Bf6 47.Rg8 Bg7 48.Kf1 Nf6 49.Ra8 Nh7 50.Ra5 Ng5 51.Rg5 (51.hg5?! Bc3 52.Rb5 Bd2=) 51...Kh6 52.Ke2 Bf6 53.Ra5 Bc3 54.Ra7 Kg6 55.Ke3 e5 56.Ke4 Bd4 57.Ra2 f6 58.Rd2 Ba7 59.Kd3 Bd4 60.Ke2 Kf5 61.Rc2 e4? (better 61...Ke6+-) 62.Rc8 Ba7 63.Ra8 Bb6 64.Rb8 Ba7 (64...Bc7 65.Rc8 Bb6 66.Rc4+-) 65.Rb7 Bd4 66.Rb5 Be5 67.Ke3 Kg6 68.Ke4 Bc7 69.Kd5 Be5 70.Ke6 Bd4 71.Rf5 Bc3 72.Rf4 Be5 73.Rc4 Ba1 74.Ke7 Be5 75.Re4 Ba1 76.Kf8 Bb2 77.Kg8 (77.Ra4!? Be5+-) 77...Ba3 78.Rc4 Bd6 79.Rc6 Be5 (79...Bb4 80.Rc2+-) 80.Rc5 (80.Kf8 Bb2+-) 80...Bd4 (80...Bd6 81.Rc8+-) 81.Rc2 Be5 82.Rd2 (82.Kf8 Bb8+-) 82...Bc3 83.Rd7?? (better 83.Re2+-) 83...Be1= 84.Rg7 Kf5 85.Kh7 Bf2 86.Kh6 Ke4 (86...Bg3? 87.Kh5 Be1 88.Rg4+-) 87.Kh5 f5 88.Re7 (88.Re7 Kf3 89.Re5 Bg3 90.Rf5 Bf4 91.Rf6=) 1–0. Dzera,Evgeniy (2160) – Guseva,Antonina, 7th Rating Tournament Konakovo, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.Nf3 g6 6.d4 (6.Bb2 Nf6=) 6...Bg7=+ 7.Nbd2 Nc6 8.Bb2 Nh6 9.h3 (9.Be2 0-0=+) 9...e5 (better 9...d5!?=+) 10.Nc4+= 0-0 11.d5 (11.de5 de5 12.Qd8 Rd8 (worse 12...Nd8 13.Ba3+=) 13.Nfe5 Ne5 14.Ne5 Re8=+) 11...Ne7=+ 12.Ba3 f5 13.Nd6 Rf6 14.Nc4 (14.Nc8 Nc8 15.Bd3= (15.Ne5 Qa5 16.Ke2 fe4-/+)) 14...fe4=+ 15.Ng5 (better 15.d6 Nef5 16.Qd5 Nf7 17.Ng5=) 15...b5 (better 15...Nd5 16.Ne4 Rc6=+) 16.d6+- (16.Ne4?! bc4 17.Nf6 Bf6 18.Bc4 Kg7=+; 16.Ne5 A) 16...Nd5?! A1) 17.Ne4? Re6 18.Bb2 Be5 (18...Re5?! 19.Be5 Be5 20.Bb5-+) 19.Be5 Re5-+; A2) 17.Be7 Qe7 18.Qd5 Kh8 19.Qa8 Qe5 20.Rd1 Qc3 21.Rd2=+; B) 16...Rf5 17.d6 Qa5 (17...Rg5 18.de7 Qa5 19.Ke2+-; 17...Be5?! 18.de7 Bc3 19.Ke2-/+; 17...Re5 18.de7 Qe8 19.Qd8=+) 18.Qd2 Qd2 19.Kd2 B1) 19...Rf2 20.Ke1 Rf1 B11) worse 21.Kf1 Nef5 (21...Be5 22.de7 Bb7 23.Bb2+-) 22.Bb2 Nd6-/+; B12) 21.Rf1+=; B2) 19...Re5 20.de7 Rd5 21.Bd3 Bh3 22.Rh3 Ba1 23.Ne4 Ng4=) 16...Nef5? (better 16...Nc6 17.Qd5 Kh8 18.Qc6 Bd7+-) 17.Qd5+- Kh8 18.Qa8 bc4 19.Ne4 (19.Bc4?! Qa5 20.Kd1 Nd6+=) 19...Qa5 20.c3 (20.Kd1 Nd6 21.Nf6 Bf6 22.Bc4 Qd8 23.Bd6 Bg4 24.hg4 Qa8+-) 20...Rf8 (20...Nd6 21.f3 Ne4 22.Qc8 Bf8-/+) 21.f3?? (better 21.Bc4 Nd4 22.Qd5 Nc2 23.Ke2 Qd5 24.Bd5 Na1 25.Ra1+-) 21...Nd6 22.Bd6 (22.Bb2 Qb6 23.Bc1 (23.Qa7? Qb2 24.Qa2 Qa2 25.Ra2 Nhf5-+) 23...Ne4 24.Qe4+= (24.fe4?? Qf2 25.Kd1 Bg4 26.hg4 Ra8 27.Bc4 Qg2-+)) 22...Qa1= 23.Kf2 Rd8 24.Be7 (24.Bc7 Qb2 25.Kg1 Rf8 26.Qa7 Be6+=) 24...Qb2 (24...Rg8 A) 25.Bc4? Qb2 (25...Qh1 26.Bg8 Ng8 27.Qc8+-) 26.Be2 Qe2 27.Ke2 Ba6 28.Kf2 Ra8-+; B) 25.Qd5=+) 25.Be2 Qb6 (25...Re8 26.Qc6 Rg8 27.Qc4+=) 26.Bc5 Be6 (26...Bh3!? 27.Bb6 Ra8+-) 27.Qa7+= Qa7 28.Ba7 Nf5 (28...Nf7 29.Bc5+=) 29.Rb1+- Bf8 (29...h6 30.Rb6 Bf7 31.Rb4+-) 30.Rb5 Bd5 (30...Bg7 31.Bc5+-) 31.Bb6 Bc6 32.Re5 (32.Bd8 Bb5 33.g4 Nh6+-) 32...Rb8 33.Bc5 Bg7 34.Re6 Bd5 35.Ra6 Be5 36.g4 Be4 37.fe4 (37.gf5?! Bf5 38.Bb4 Bd3=) 37...Ng3 38.Bd4 Rf8? (better 38...Bd4!? 39.Kg3 Rb3+-) 39.Ke3+- Bd4 40.cd4 (40.cd4 Rc8 41.Bd1+-) 1–0. Szily,Jozsef – Kettner,E, Budapest Szikra, 1956. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.f4 Nc6 6.Nf3 (6.Nc3 Nf6=+) 6...Nf6-/+ 7.e5 de5 (7...Nh5 8.g3-/+) 8.fe5=+ Nd5 9.Bc4 Bg4 10.0-0 (10.h3 Be6 11.Bb3 Qc7-/+) 10...a6 (10...Ne5 11.Ne5 Qb6 12.Bc5 Qc5 13.d4 Qc4 14.Ng4-/+ (14.Nc4? Bd1 15.Rd1 e6-+)) 11.Qe1 (11.Qe2 e6 12.c3 Nb6=+) 11...b5 (11...Bf3 12.Rf3 Nd4=+) 12.Qe4=+ Bf3?? (better 12...Be6 13.Bb3 h6=) 13.Qf3+- Qb6 14.Kh1 Ne5 (14...Nc7 15.Bf7 (15.Qf7?! Kd8 16.Qf8 Rf8 17.Rf8 Ne8+=) 15...Kd8 16.Bd5+-) 15.Qd5 Rc8 16.Qe5 Rc4 17.Qd5 f6 18.c3 h5 (18...Qc6 19.Qh5 g6 20.Qe2+-) 19.Bb4 (19.Qa8 Kf7+-) 19...Qc6 20.Qc6 (better 20.Qf5+-) 20...Rc6+- 21.Re1 Kf7 22.Na3 (22.d4 e6 23.Nd2 Bb4 24.cb4 Rd8+=) 22...e5+= 23.Nc2 Bb4 (23...Bd6!?+=) 24.Nb4+- Rd6 25.d3 (25.Na6!? Rd2 26.Nc7+-) 25...Rc8 26.Rec1 Rcd8 (26...Ra8 27.Ra5+-) 27.Kg1 Ke6 (27...g5 28.c4 bc4 29.dc4+- (worse 29.Rc4 Rb6+=)) 28.Ra5 (28.Na6 Rc8 29.Nb4 g5+-) 28...Kf5 29.Kf2 (29.Na6?! Ra8 30.Rf1 Kg6+-) 29...e4 (29...h4 30.Ke3+- (30.Na6?! Ra8+=)) 30.d4 Rc8 (30...Ra8 31.Ke3+-) 31.Ke3 (worse 31.Na6 Rd4 32.Rb5 Kg6 33.cd4 Rc1+-) 31...Rc4 (31...Ra8 32.Rf1 Ke6 33.Ke4+-) 32.Na6 Rdd4 (32...Kg6 33.Ke4 Rdd4 34.cd4 Rc1 35.Rb5 Rc2+-) 33.Rf1 (33.Rf1 Kg6 34.cd4+-) 1–0. Augstein,Joerg (1825) – Balz,Christian, Ueckermuende op 6th, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.f4 e5-/+.

    5.f4 e6 6.e5 (6.Nc3 Ne7=+) 6...Be7 (better 6...de5!? 7.Bf8 Kf8-+) 7.Qg4=+ g6 8.Nf3 h5 (8...Nc6 9.Bb5=+) 9.Qh3= de5 10.Bb2 (10.fe5 Bd7 11.Be7 Ne7 12.Nc3=) 10...ef4 (10...Nc6!?=+) 11.Bh8+= e5 12.g4 Bg4 13.Qg2 e4 14.Bb5 (14.Be2 Qd5 15.0-0 Bf3 16.Bf3 ef3 17.Rf3 Qf5-/+) 14...Kf8 (14...Nc6 15.Be2-/+) 15.Be2 ef3 (15...Qd5 16.0-0=+) 16.Bf3=+ Nc6 17.Ra4 (17.Bg4 Bf6 18.Bf3 Bh8=+) 17...Bf5 (17...Nb4 18.0-0 Qd7 19.Bb7-+) 18.0-0? (better 18.d3!?=+) 18...Bc2-+ 19.Rf4 (19.Ra2 Qb6 20.d4 Bd3-+ (20...Bb1?! 21.Rb2 Bb4 22.Rfb1=+)) 19...Qb6 20.Kh1 (20.d4 Bb1 21.Be4 Be4 22.Rf7 Ke8 23.Qe4 Kd7-+) 20...Bb1 21.Rf7 (21.Be4 Be4 22.Rf7 Ke8 23.Qe4 Qb5-+) 21...Ke8 (21...Kf7 22.Bc6 Nf6 23.Qd5 Kf8 24.Bf6 Qc6 25.Be7 Ke7 26.Re1 Kf8 27.Qc6 bc6 28.Rb1-+) 22.Bh5 (better 22.Be4 Be4 23.Qe4-+) 22...Nd8?? (22...Nh6 23.Bg6 Bg6 (23...Nf7?! 24.Bf7 Kd7 25.Qd5 Kc7 26.Be5 Ne5 27.Qe5 Kd8 28.Rc1=+) 24.Qg6 Nf7 25.Qg8 Kd7 26.Qa8 Qb3-+) 23.Rg7= gh5 24.Rg8 Kd7 25.Qd5 Qd6 26.Qd6 Bd6 (26...Kd6!? 27.Rb1 Rc8+=) 27.Rb1+- b6 (27...a5 28.Rb7! Nb7 29.Ra8+-) 28.Bf6 (28.Rg7 Be7 29.Rh7 Nf7+-) 28...Rc8 29.Rg7 Ke6 30.Bc3 Rc7 31.Re1 (31.Rg6!? Kd7 32.Rh6+-) 31...Kd5 (31...Kf5!?+=) 32.Rg5+- (32.Rg5 Kc6 33.Rh5+-) 1–0. De Geus,G – Van Oene,E, Alkmaar op–B, 1982. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.f4 Nf6 6.Nc3 e6 7.Nf3 Be7 (7...Nc6 8.e5 de5 9.Bf8 Rf8 10.fe5=+) 8.e5= de5 (8...Nd5 9.Nb5 0-0 10.Bd6 Bd6 11.Nd6 Nf4 12.g3=) 9.fe5 Nd5 10.Ne4 (10.Be7 Ke7 11.Ne4 f6=) 10...0-0=+ 11.Bc4 (11.Be7 Qe7 12.c4 Nf4=) 11...Nc6 12.0-0 (12.Be7 Nde7 13.d4 Nf5=) 12...b5! 13.Be7 (13.Bb5 Qb6 Double attack (13...Qb6 Decoy)) 13...Nde7=+ 14.Bd3 Ne5! 15.Ne5 Qd4 16.Kh1 (16.Nf2 Qe5 17.Qf3 Bd7-/+) 16...Qe5-+ 17.Qf3 (17.Ra5 Bd7-+) 17...Bd7 18.Qh3 (18.Qf2 a5-+) 18...f5 19.Ng5 h6 20.Rae1 (20.Nf3 Qd6-+) 20...Qd6 21.Nf3 Ng6 22.g4 (22.Be2-+) 22...Nf4 23.Qg3 fg4 24.Ng1 (24.Ne5 Nd3 25.Rf8 Rf8 (25...Kf8? 26.Ng6 Kg8 27.Qd6 Ne1 28.Qd7+-; 25...Qf8?! 26.Qd3 Be8 27.Qe2-+) 26.Qd3 Qd3 27.Nd3 a5-+) 24...e5 25.Be4 Rac8 26.h3 (26.Rf2 a5-+) 26...Qd2 27.Rd1 (27.hg4 Rc3 28.Nf3 Qd6-+) 27...Qb4 28.c4 (28.Qe3 Qc4 29.hg4 Bg4-+) 28...Qc4 29.Rf4 (29.Rde1 Bc6 30.Bc6 Qc6 31.Kh2 Qd5-+) 29…ef4 (29...ef4 30.Qd3 Qd3 31.Rd3 Rc7-+) 0–1. Goldsmith,Alan D (2225) – Sveshnikov,Evgeny (2480), World Senior, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.f4 Nf6 6.Nc3 g6 7.Nf3 Bg7 8.d4 0-0 9.Bd3 Bg4 10.0-0 (10.Ne2 Bf3 11.gf3 d5-/+) 10...Nh5 (10...Nc6!? 11.Ne2 Rb8=+) 11.Ne2=+ Nc6 12.c3 Rc8 (12...Qc7 13.Rb1=+) 13.Qe1 (13.h3 Bf3 14.Rf3 d5=) 13...Nf6 (13...a6 14.Qh4 Qd7 15.f5 gf5 16.ef5=) 14.Rb1 (14.Qh4 Qb6=) 14...b6 15.e5 (15.h3 Bf3 16.Rf3 Na5=+) 15...de5 16.fe5 Nd5 17.Qf2 (17.Qh4 Qd7=+) 17...Na5 (17...Bf3 18.gf3 Na5-+) 18.Ng5? (18.Qh4 h5=+) 18...Bh6?? (18...Be2 19.Be2 (worse 19.Qe2 Nc3 20.Qg4 h5-+) 19...Nc3 20.Rb2 Ne2 21.Re2-+) 19.Bc1?? (better 19.Nf7 Be3 20.Nd8 Rf2 21.Rf2 Be2 22.Be2 Nc3 23.Ba6 Rd8 24.Re1 (24.Be7? Re8 25.Re1 Bf2 26.Kf2 Re7-+) 24...Bf2 25.Kf2 Rd4 26.Be7-/+) 19...Bg5 (19...Be2 20.Be2 Nc3 21.Nf3 Bc1 22.Rbc1-+) 20.Bg5 Be2 (20...Nc3?! 21.Nc3 Rc3 22.Be4=+) 21.Be2 Nc3 22.Rbe1 (22.Ba6 Nb1 23.Rb1 Rc3-+) 22...Ne4 23.Qe3 Ng5 24.Qg5 Qd4 25.Kh1 f6 26.ef6 ef6 27.Qg3 Rc3 28.Bf3 Kg7 (28...Rf7 29.Re8 Kg7 30.Qb8-+) 29.Rd1? (better 29.Re7 Rf7 30.Rf7 Kf7 31.Qb8-+) 29...Rd3-+ 30.h4 Rd1 31.Rd1 Qe5 32.Qh3 h5 33.Bd5? (33.Rd7 Rf7 34.Rf7 Kf7 35.Qd7 Kf8 36.Qd8 Kg7 37.g3-+) 33...Rd8 34.Bf3 (34.Qf3-+) 34...Rd1 35.Bd1 Qe1 36.Kh2 Qd1 0–1. Grawe,Herbert – Werner,Patrick, Dortmund ABC Serie A–23, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.f4 g6 6.Bb2 (6.Nf3 Bg7 7.d4 Nf6=+) 6...e5 (6...Nf6 7.Nh3=+) 7.Nf3 Bg7 8.Bb5 Bd7 9.Qe2 Ne7 10.fe5 de5 11.Be5 Be5 12.Ne5 0-0 13.Nd7 (13.Bc4 Be6 14.c3 Nbc6=) 13...Nd7= 14.0-0 Ne5 15.Kh1 a6 Black threatens to win material: a6xb5 16.Ba4 Qd4 17.c3 Qd3 18.Qd3 Nd3 19.Bc2 White threatens to win material: Bc2xd3 19...Rad8 20.Na3 Nc6 21.Nc4 Rfe8 22.Rf3 Nce5 23.Ne5 Ne5 24.Rf2 Nd3 25.Re2 Nf4 Black threatens to win material: Nf4xe2 26.Rf2 Nd3 27.Re2 Nf4 Twofold repetition 28.Rf2 Nd3 29.Bd3 Rd3 30.Re2 Red8 31.Kg1 Rd2 32.Kf1 R8d3 Black threatens to win material: Rd3xc3 (32...R2d7 33.Kf2-/+) 33.Rb1 (33.Rd2 Rd2 34.Rb1 Rd7=+) 33...Re2 (33...Rd1 34.Re1 Rb1 35.Rb1-/+) 34.Ke2=+ Rc3 35.Rb7 Rc2 36.Kf3 a5 37.Ra7 White threatens to win material: Ra7xa5 37...Ra2 38.e5 a4 39.h3 h5 40.Kg3 a3 41.Kf4 Rg2 42.Ra3 Rf2 43.Kg5 (43.Ke3!? Rb2 44.Ra8 Kg7 45.Ra7=) 43...Kg7-/+ 44.Re3 Rf1 45.Kh4 Rg1 46.Rg3?? (better 46.Rc3=+ had to be tried to avoid defeat) 46...Rg3-+ 47.Kg3 g5 48.Kf3 Kh6 49.Ke3 Kg6 50.Ke4 h4 (50...h4 51.Ke3 Kf5-+) 0–1. Ljubic,Juro (2250) – Lalic,Kristijan, Bosnjaci op 7th, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    5.Bc4 Nf6

    6.Nc3 g6 7.Rb1 Bg7=+ 8.Nge2 (8.Nf3 Nc6=+) 8...0-0 9.d3 (9.0-0 Nc6-/+) 9...Nc6 10.0-0 a6 11.Bb2 (11.Bd5 Qc7-/+) 11...b5 12.Bb3 Bd7 (12...e6 13.Qd2-+) 13.Nd5-/+ Nd5 (13...e6 14.Nf6 Bf6 15.Bf6 Qf6 16.d4-/+) 14.Bg7 Kg7 15.Bd5 e6 16.Ba2 (16.Bc6 Bc6 17.Qc1 Qb6-/+) 16...Qc7 (16...Qa5 17.Bb3-/+) 17.Qd2 Rac8 18.c3 Ne7 19.c4 e5 20.Rfc1 Qa7 21.Ng3 h6 22.Rb2 Rc7 23.Rcb1 Rfc8 24.h3 Rb8 (24...Ng8 25.Bb3-/+) 25.Kh2 (25.Ne2 Bc6=+) 25...Rcb7-/+ 26.Qc3 (better 26.f4!?-/+) 26...Qc5-+ Black plans b4 27.Bb3 b4 28.Qd2 a5 29.Ra1 Nc6 30.Ba4 Nd4 31.Bd7 (31.Ne2 Ne2 32.Qe2 b3-+) 31...Rd7 32.Nf1 (32.Ne2 Ne2 33.Qe2 b3-+) 32...Ra7 33.Ne3 (33.Ra4-+) 33...a4 34.Nd5 (34.Ng4 g5 35.Rbb1 a3-+) 34…Nb3 (34...Nb3 35.Rb3 ab3-+) 0–1. Goncharov,Vladislav (2310) – Piskunov,Dmitry, Maikop op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Bc4 Nf6)

    6.Nc3 g6 7.Bb2 Bg7 8.Nd5 0-0 9.Nf6 ef6 10.f4 (10.Bd5 Nc6=+) 10...Re8 11.d3 (better 11.Bd5!?-/+) 11...d5-+ 12.Bb5 Bd7 (12...de4?! 13.Be8 Qe8 14.Qe2=+) 13.Bd7 Nd7 14.Qf3 (14.Ne2 de4 15.f5 Nc5-+) 14...Nc5 15.0-0-0 (15.Qf2 Qc7-+) 15...de4 16.de4 Qc7 17.Re1 Rad8 18.Kb1 (18.Re3 Rc8 19.Rc3 Qd7-+) 18...Qa5 (18...Rd2!? 19.Qc3 Rg2 20.Ne2-+) 19.Nh3 Na4 20.Nf2? (20.Re3 Nb2 21.Kb2 Rd6-+) 20...Re6 (better 20...Qb6!? 21.Qb3 Qb3 22.cb3 Nb2 23.Kc2-+) 21.Re3 Nb2 22.Kb2 Rb6 23.Rb3 Rd2 24.Ra1 (24.Nd1 Rb3 25.Qb3-+) 24...Qc5 25.Qc3 Rb3 (better 25...Qf2 26.Ra4 Rc6 27.Rc4 Qf4 28.g3-+) 26.Kb3 Qb6 27.Ka2 (27.Qb4 Qe6 28.Qc4 Qc4 29.Kc4 Rc2 30.Kd4 f5 31.e5 Rf2-+) 27...Qf2 28.Qc8 (28.Kb3 Re2 29.Qc4 Qb6 30.Qb4 Qe3 31.Qc3 Qe4 32.Rd1 Qe6 33.Kb2-+) 28...Bf8 29.Kb2 (29.Rc1 Rd6 30.Qb7 Qd2-+) 29...Qd4 (29...Qb6 30.Ka2 Rd4 31.Qc4 Rc4 32.g4 Rc2) 30.Qc3 Qc3 (better 30...Qb6!? 31.Qb3 Bb4 32.Ka2-+) 31.Kc3 Rg2 32.Ra7 b6 33.Ra8 Kg7 34.Kd3 Rh2 35.Rb8 (35.e5 Rh3 36.Kc4 Bc5-+) 35...Bc5 36.Rb7 Rh3 37.Kc4 Re3 (37...Rh4 38.Kd3-+) 38.Kd5 h5 39.e5 fe5 40.fe5 h4 41.c4 Rd3 (better 41...h3 42.e6 Rf3 43.Ra7-+) 42.Kc6 (42.Ke4 h3 43.Ra7-+) 42...h3 43.e6 Rd6 (43...Rd6 44.Kb5 Re6-+) 0–1. Piotrowski,Arkadiusz (1955) – Wozniak,Bartosz (1735), XIII Konik Morski Rewal – Open B Poland, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Bc4 Nf6)

    6.Nc3 g6 7.f4 Nc6 8.Nf3 Bg4 (8...Bg7 9.Ra2=+) 9.e5 de5 10.fe5 Bf3 11.Qf3 Ne5 12.Bb5 Ned7 (12...Nc6 13.Bc5 Bg7 14.Ra7 Ra7 15.Ba7=+) 13.0-0 (better 13.Qb7!? Qb8 14.Qf3 Qe5 15.Kd1=) 13...a6-/+ 14.Bc4? (14.Bd7 Qd7 15.Rae1 0-0-0-/+) 14...b5 (better 14...Ne5!? 15.Qf4 Nc4 16.Qc4 Rc8-/+) 15.Bd5 Rb8 16.Ne4 Bg7 (16...Qb6 17.Kh1 Bg7 18.Rae1-/+) 17.Bf7 (17.Nd6 ed6 18.Rae1 Ne5 19.Re5 Kf8 20.Re3+=) 17...Kf7-+ 18.Nd6 Kf8 (18...ed6 19.Qd5 Ke8 20.Rfe1 Qe7 21.Qd6 Qe1 22.Re1 Kd8 23.Bb4+-) 19.Qd5 Qb6 (19...ed6?? 20.Qd6 Kf7 21.Qd5 Ke8 22.Qe6 Qe7 23.Qe7) 20.d4? (20.Kh1 ed6 21.Bd6 Ke8 22.Qe6 Kd8 23.Ra6-+) 20...ed6 21.Rae1 (21.Bd6 Ke8 22.Qe6 Kd8 23.Qe7 Kc8 24.Bb8-+) 21...b4 22.Qe6 (22.Bb2 Re8 23.Re6 a5-+) 22...Qd4 (22...ba3?! 23.Qe7 Kg8 24.Qe6 Kf8 25.Qe7 Kg8 26.Qe6 Kf8=) 23.Kh1 (23.Rf2 Nc5 24.Qe7 Kg8 25.c3 Qf2 26.Kf2 ba3 27.Qc7 Nfe4 28.Kg1-+) 23...a5 (better 23...Nc5 24.Qe7 Kg8-+) 24.Qd7?? (24.Qe7!? Kg8 25.Qe6 Kf8 26.Qe7 Kg8 27.Qe6 Kf8=) 24...Qd5 (24...h6 25.Bb2 Qb2-+) 25.Re7?? (25.Bb2 Kg8 26.Re7=) 25...Rg8 (better 25...Qc4 26.Rf4 ba3 27.Qd6 Qc6 28.Re8 Ke8 29.Qc6 Nd7-+) 26.Re6 (26.Bb2 Qc4 27.Ree1 Qf1 28.Rf1 Ra8 29.Bf6 Rh8 30.Qg7 Ke8 31.Qe7) 26…Qd4 1–0. Lopez Rebert,P (2080) – Castro,Julian, XV PRO AM Open, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Bc4 Nf6)

    6.Nc3 g6 7.f4 Qc7 8.Qe2= Bg4 9.Nf3 Nc6 10.Bb3 (10.Nb5!? Qb8 11.Bb2=) 10...a6 11.Qc4 Be6 (11...e6!?=+) 12.Nd5= Qd8 13.Ba4 Bd7 14.Bb2 (14.Nf6 ef6 15.Qd5 Qb6=) 14...Bg7 15.Ng5? (better 15.Nf6!? Bf6 16.Bf6 ef6 17.Nd4=+) 15...0-0-/+ 16.Bb3 (16.Bc6!? bc6 17.Nf6 ef6 18.Nf3-/+) 16...b5-+ 17.Qe2 (better 17.Qd3 Nd5 18.Bg7 Nf4 19.Qc3-+) 17...Nd5 18.Bg7 Nf4 (18...Kg7?! 19.ed5 Nd4 20.Qf2-/+) 19.Qf2 Ng2! (worse 19...Kg7 20.Qf4 f6 21.Nf3-+) 20.Kd1 (20.Qg2 Kg7 Zwischenzug) 20...Kg7 21.Qg2 Ne5 22.Rf1 (22.h3 e6-+) 22...Bg4 (22...h6 23.Nh3-+) 23.Kc1 e6 24.h4 h5 (24...Qb6 25.Qg1 Qc6 26.Kb2-+) 25.Qf2 (25.d4 Nc6 26.c3 Rc8-+) 25...Qe7 26.d4 Nc4 (26...f6 27.Ne6 Be6 28.Be6 Qe6 29.de5 Qe5 30.Ra3-+) 27.Bc4 bc4 28.Ra5 (28.e5 de5 29.de5 Bf5-+) 28...f6 29.Nf3 Qc7 (29...Qb7 30.Qe3-+) 30.Ra3 c3 (30...Rab8 31.Qe3-+) 31.Nh2 (31.Re1 d5 32.ed5 Qf4 (worse 32...ed5 33.Re3-+) 33.Qe3 Qf3 34.Qf3 Bf3 35.de6 f5-+) 31...Rab8 (31...Rac8 32.Ng4 hg4 33.Qg2-+) 32.Ng4 hg4 33.Qg3 (33.Qe3 Rbc8-+) 33...Qb6 (33...Qb7!? 34.Rb3 Qe4 35.Rc3-+) 34.Rb3 Qd4 35.Rd1 (35.Qc3 Qc3 36.Rc3 Rfc8-+) 35...Qe4 36.Rc3 Rbc8 (36...d5 37.Re1 Qf5 38.Rc7 Kg8 39.Re2-+) 37.Rd6 Rc3 38.Qc3 Qf4 39.Rd2 (39.Qd2 Qf1 40.Qd1-+) 39...g3 (better 39...Rd8 40.h5 gh5-+) 40.Qd3 (40.Qd4 Qf1 41.Rd1-+) 40...g2 41.Qd7 (41.Qg3 Qg3 42.Rd7 Kh8 43.Kd2 g1Q 44.Rh7 Kh7 45.c4 Q3e3 46.Kc2 Qgc1) 41…Rf7 (41...Rf7 42.Qd4 Qd4 43.Rd4 g1Q 44.Kd2 Qd4 45.Ke2 Qe4 46.Kf2 Qc2 47.Kf3 Rd7 48.Kg3 Rd3 49.Kf4 Qc4) 0–1. Bona,Juraj (1930) – Skreno,Vladimir (2140), SVK, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Bc4 Nf6)

    6.Nc3 g6 7.h3 Bg7 8.Nf3 0-0 9.d3 a6 10.0-0 b5 11.Bd5? Ra7 12.Ne2? Qb6?? 13.c3 Bb7 14.Rb1? Bd5 15.ed5 Nd5 16.Qb3 e6 17.c4 Nc7 18.Bb2 e5 19.Ba3 Rd8 20.c5? dc5 21.Bb2 e4! 22.de4 c4 23.Qb4 Nc6 24.Qe1 b4 25.Bg7 Kg7 26.e5? a5 27.g4 Nd5 28.Qd2 Rad7 29.Ng5 Ne5 30.Nd4 h6 31.Nge6 fe6 32.g5 Qd4 33.gh6?? Kh7-+ 34.Qe2 Nc3 35.Qe3 Rf7 36.Rbe1 Nf3 37.Kg2 Ne1 38.Re1 Qe3 39.Re3 Rf2! 40.Kf2 Nd1 41.Ke2 Ne3 42.Ke3 Rd3 (42...Rd3 43.Ke2 b3 44.Kf1 b2 45.Ke2 b1Q 46.h4 Qc2 47.Ke1 Rd1; 42...c3 43.Kf3 c2 44.Ke3 c1Q 45.Kf3 Rd3 46.Kg4 Kh6 47.h4 Qc4) 0–1. Witt,Monika (1605) – Thoma,Theo (2100), remoteschach.de, 2006.

    6.Nf3 Ne4 7.Qe2 d5 -/+.

    6.Nf3 Bg4 7.Bf7? (better 7.Nc3=+) 7...Kf7-+ 8.Ng5 (8.e5 Bf3 9.Qf3 de5 10.Qb7 Qd5 11.Qd5 Nd5-+) 8...Ke8 9.Qg4 (9.Qg4 Ng4 10.Nc3-+). Pasztor,Lorant – Simon,Laszlo, Hidasnemeti–ch, 1994. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Bc4 Nf6)

    5.d4 Nf6

    6.Nc3 Nbd7 7.Nf3 Qa5 8.Qd2 a6 9.Bd3 g6 10.0-0 Qc7 11.Rfe1 e5 12.Nd5 Nd5 13.ed5 f6 14.de5 de5 15.Bf8 Kf8 (better is 15...Rf8!? 16.Bb5 Kf7=) 16.Qh6+/- Kg8 17.d6 Qc5 18.Nd2 b5 19.Be4 Ra7 (19...Rb8 20.Nb3 Qc4+-) 20.Nb3 Qc4 21.Na5 (better is 21.Qe3 f5 22.Bf3 Rc7 23.dc7 Qc7 24.Bd5 Kg7+-) 21...Qc5 22.Nc6 Nf8 23.Na7 Qa7 24.Bd5 (24.Red1 Qd7+-) 24...Be6 25.Be6 Ne6 26.Qh3 Kf7 27.Qb3 (27.Red1 Qb6+-) 27...Rd8+/- 28.Red1 Qb6 29.Qd5 Rd7 30.Ra3 (30.c3 Qc5+/-) 30...b4 (30...Qc5!? 31.Qd3 Nf4 32.Qb3 Qc4 33.Qc4 bc4+/-) 31.Rh3 h5 32.Rh4 Qc5 33.Qc5 Nc5 34.Rb4 Ke6 35.Rb6 a5 36.c4 Na4 37.Ra6 Nb2+= 38.Rc1 Rd6 39.Rd6 Kd6 40.Rc2 Na4 41.Ra2 Nb6 42.c5 Kc5 43.Ra5 Kd4 44.h4 e4 45.Ra7 Ke5 46.Kf1 Nd5 47.Ra5 Kd4 48.g3 Ke5 49.Ke2 Kd4 50.Ra8 Ke5 51.Rg8 Kf5 52.Re8 Nc7 53.Rd8 Ke5 54.Rg8 Kf5 55.Ke3 Ne6 56.Ra8+- g5 57.Ra5 Kg4 58.Ke4 gh4 59.gh4 Ng7 60.Ra6 Ne8 61.Re6 f5 62.Ke5 Nc7 63.Rc6 Nb5 64.Rc4 Kh3 65.Rb4 Nc7 66.Kf5 Nd5 67.Rd4 Ne7 68.Kg5 Nc6 69.Rd3 Kg2 70.f4 1–0. Farkas,Gabor (2325) – Indjic,Stefan (2035), EU–chT U18 Subotica, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6)

    6.Nc3 g6 7.e5 de5 8.Bb5 Nfd7 9.de5 Qc7 10.Qd3 (10.Qd4!? Nc6 11.Bc6 Qc6 12.Nf3+=) 10...Qe5-/+ 11.Nge2 Nc6 12.Rd1 (12.Bb2 Nb4 13.Qd1 Qc5-/+) 12...a6 13.f4 Qf5 14.Nd5 Qd3 15.Rd3 (15.Bd3 Ra7-/+) 15...Rb8 (15...Ra7 16.Bb2 Rg8 17.Ba4-+) 16.Bb2 (better is 16.Nc7 Kd8 17.Na6 ba6 18.Bc6-/+) 16...f6?? (better is 16...Rg8 17.Bc4 e6 18.Nc7 Ke7-+) 17.Nc7= Kd8 18.Ne6 Ke8 19.Nc7 Kd8 20.Ne6 Ke8 21.Bc4 b5 22.Bb3 (22.Nc7 Kd8 23.Ne6 Ke8 24.Nc7 Kd8 25.Ne6 Ke8=) 22...h5 (22...Rb7!?-/+) 23.0-0 Bh6 24.N2d4 (24.Nc7 Kd8 25.Ne6 Ke8 26.Nc7 Kf8 27.Ne6 Ke8=) 24...Rb6 (24...Nd4 25.Bd4 b4=) 25.Nc7= Kf8 26.Nde6 Kg8 27.Nc5 Kh7 28.Nd7 Rb7 29.Na6 Rd7-/+ 30.Rd7 Bd7 31.Nc5 Bf5 32.Ne6 Na5 33.Re1+= Nb3 34.cb3 Rc8 35.Nd4 Rc7 36.Nf5 gf5 37.g3 Kg7 38.Ba3 Kf7 39.Rc1 Rc1 40.Bc1 e5 41.Kf2 Ke6 42.Ke3 Kd5 43.Ba3-/+ h4! 44.Be7 Ke6 45.Bc5 h3 46.Bb4 Kf7 47.Bd6 e4 48.Kd4 Bf8 49.Bc7 Bb4 50.g4 Kg6 51.gf5 Kf5 52.Bd8 Bd2 (52...Kf4 53.Kd5 Bc3 54.Kc6-+) 0–1. Sanchez Martin,Marc – Mitjavila,Badia Josep, Sant Boi op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6)

    6.Nd2 Nc6 7.c3 g6 8.f4 (8.Ngf3 a6=) 8...Bg7 (8...Bh6 9.g3+=) 9.Bc4 (9.d5!? Nb8 10.Qb3+=) 9...0-0-/+ 10.Ngf3 Re8 (10...d5 11.Bd3+=) 11.e5 de5 12.fe5 (12.Qb3 ed4 13.Bf7 Kh8 14.Be8 dc3 (14...Ne8?? 15.Ng5 Nd6 16.Bd6+-) 15.Bc6 cd2 16.Nd2 bc6=) 12...Nd5+= 13.Bd5 (13.Ng5 e6 14.h4 h6-/+) 13...Qd5-/+ 14.0-0 f6 (14...Bf5!?-/+) 15.c4 Qd8 16.d5 Ne5 17.Ne5 fe5 18.Ne4 h6 (18...Rf8 19.Rf8 Bf8 20.c5+=) 19.Qe2 b6 (19...Rf8 20.Rfe1+=) 20.Rf2 (20.d6 Be6=) 20...Qc7 21.d6 ed6 22.Nd6 Be6 23.Ne8 Re8 24.Rc1 Rc8 25.c5 Qb7 26.cb6 Rc1 27.Bc1 ab6 28.Bb2 Qc7 29.Qc2 ½–½. Klimchuk,Andriy – Pinchuk,Boris, Sdysor op–U16, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6)

    6.Bd3 e6 7.c3 Be7 8.Ne2 0-0 9.0-0 e5 10.h3 Re8 11.Nd2 Bf8 12.f4 b6 13.Qc2 Bb7 14.g4 h6 15.Rf3 ed4 16.cd4 Qc8 17.Qb1 Ba6 18.Ng3 Qc3?? (better is 18...Bd3 19.Rd3 d5+=) 19.Ba6+- Qd4 20.Rf2 Qc3 21.Bd3 Nbd7 22.Bb2 Qc7 23.Bb5 d5 24.Bf6 Nf6 25.Be8 Bc5 26.Bf7! Qf7 (26...Qf7 27.Qf1 Combination; 26...Kf7 27.e5 Passed pawn) 27.Kg2 (27.Qf1!? a6+-) 27...Bf2+/- 28.Kf2 Ne4 29.Nde4 Qf4 30.Kg2 de4 31.Qe4 Qd2 32.Qe2 Qd5 33.Kh2 Qd6 34.Rd1 Qf4 35.Rf1 Qd6 36.Kg2 Rd8 37.Nf5 Qd2 38.Rf2 Qe2 39.Re2 Rd7 40.Re7 Re7 41.Ne7 Kf7 42.Nc8 b5 43.Nd6 Ke6 44.Nb5 a5 45.Kf3 Kd5 46.Na3 Kd4 47.h4 g5 48.hg5 hg5 49.Nb5 Kd3 50.Nd6 a4 51.Nb5 Kc4 52.Na3 Kb3 53.Nb1 Kc2 54.Na3 Kb3 55.Nb5 Kc4 56.Na3 ½–½. Frink,Ferenc (2250) – Zambor,Norbert (2300), SVK–chT1E, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6)

    6.Bd3 e6 7.Nf3= Be7 8.Nc3 0-0 9.h4 a6 10.e5=+ Qc7 11.Nb1 de5 12.de5 Ba3 13.Ra3 Nd5 14.Bh7? Kh7-+ 15.Ng5 Kh6 16.Qe2 Nc6 17.Qd2 Qe5 18.Kf1 Qf4 19.Qd3 Qc1 20.Ke2 Nf4 21.Kf3 Ne5 22.Ke4 f5 23.Ke5 Nd3 24.Rd3 Qh1 (24...Qh1 25.Nd2 Qe1 26.Kf4 e5 27.Kg3 Qh1-+) 0–1. Solovyev,M (2060) – Sadykov,Ra (2140), 6th ch–PriFO Men, 2008.

    6.Bd3 e6 7.Nf3 Be7 8.Nbd2 0-0 9.0-0 Nc6 10.d5 (10.c4 Nd7=) 10...ed5+= 11.ed5 (11.c4 de4 12.Ne4 Kh8+=) 11...Nd5 12.Nc4 Nf6 (12...Be6 13.Bb2-/+) 13.Re1 Be6 (13...h6 14.Nd6 Bd6 15.Bd6=) 14.Nd6 Bd6 (14...Qc7 15.Nb5 Qd7 16.Be7 Qe7 17.Qd2=) 15.Bd6= Re8 16.Rb1 (16.Ba3!?=) 16…Nd5+= 0–1. Burmistrov,Andrey – Miroshnichenko,Pavel, RUS–ch U10 Serpukhov, 2001. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Ba3 Nf6)

    6.Bd3 Nc6

    7.Bb2 Qb6 8.Bc3 -/+.

    7.Bb2 e5 8.c3 (8.Ne2 Be7+=) 8...Be7 (8...Qb6 9.Qd2 Bg4 10.Nf3 Bf3 11.gf3-/+) 9.Ne2 0-0 10.0-0 Qb6 (10...d5 11.Nd2-/+) 11.Qc1 (11.Nd2 Na5+=) 11...d5 (11...ed4 12.Nd4 Ne5 13.Bc2-/+) 12.ed5 Nd5 13.Nd2 ed4 14.Nc4 Qc7 15.cd4 (15.Nd4 Nd4 16.cd4 Be6-/+) 15...Be6 16.Kh1 (16.Ne3 Bd6 17.Ng3 Rfd8-/+) 16...Rac8 (16...Ncb4 17.Be4-+) 17.Qb1 (17.Ne3-/+) 17...f5 (17...g6 18.Ne3-+) 18.Rc1 (18.Ne3 g6-/+) 18...Qb8 (better is 18...Bg5!? 19.Ba3 Bc1 20.Bf8 Kf8 21.Qc1 Ndb4-/+) 19.Ne3+= Ne3 (19...Rcd8 20.Nd5 Bd5 21.Nc3+=) 20.fe3 Nb4 21.Rc8 (21.Nf4 Rc1 22.Bc1 Nd3 23.Ne6 Nf2 (23...Nc1? 24.Nf8 Bf8 25.Qc1+-) 24.Kg1 Ng4=) 21...Qc8 (worse is 21...Bc8 22.Bc4 Kh8 23.Bc3=; worse is 21...Rc8 22.Bf5 Bf5 23.Qf5+=) 22.Nf4 (22.Ra7 Nd3 23.Qd3 Bc4-/+) 22...Nd3-/+ 23.Qd3 Bc4 24.Qd2 White intends d5 24...a6 25.Rc1 (25.d5 b5-/+) 25...b5 26.d5 Bd6 27.Ne6 Rf7 28.Qd4 (28.Rd1 Qd7-/+) 28...Qd7 29.Ra1 Qa7 (better is 29...Bb4-/+) 30.Qd2 (better is 30.Qh4 Qe7 31.Qd4=) 30...Qa8 0–1. Larsen,Martin Halsvik (2035) – Manolov,Ivan (2225), Sunny Beach BUL, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.c3 Qc7 8.f4 g6 9.Nf3 Bg7 10.e5 de5 11.fe5 Nd5 12.Qd2 0-0 13.0-0 Re8 14.c4 Nb6 15.Nc3 Bg4 16.Nb5 Qd7 17.Bc5 Nc8 18.Be4 (better is 18.Qf4!?=) 18...Bf3-/+ 19.Bf3 Ne5! 20.Qf4 (20.de5 Qe6 Double attack) 20...Nf3 (20...Nc4? 21.Qf7 Kh8 22.Qc4+-) 21.Rf3? (21.Qf3 e5-/+) 21...f6 (better is 21...e5!? 22.Qd2 a6-+) 22.Qc7 (22.Na7?? b6 23.Rfa3 bc5 (23...Na7?! 24.Bb6 e5 25.de5-/+; worse is 23...Ra7 24.Ra7 Na7 25.Bb6-+) 24.Nc8 Ra3 25.Ra3 Rc8-+) 22...Rd8 23.Re3 a6 24.Be7? (better is 24.Qd7 Rd7 25.d5-+) 24...ab5 25.Qd8 Qd8 26.Ra8 Qd7 27.Bc5 Bf8 28.cb5 Kg7 29.Bf8 Kf8 30.d5 Kf7 31.Rc3 Ne7 0–1. Slanec,Jan (1910) – Janda,Pavel (2075), Jirasek Memorial op–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.c3 e6 8.Ne2 Be7 9.0-0 0-0 10.h3 b6 11.Nd2 Bb7 12.f4 Rc8 13.Qb1 h6 14.Nf3 Na5 15.g4 Nc4 16.Bc1 a5 17.Ng3 Nd7 18.Ra2 Rc7 19.Kh2 Bh4 20.Rg2 Bg3 21.Rg3 Nf6 22.g5 hg5 23.Ng5 e5 24.Qa2 Qc8?? (better is 24...ef4 25.Rf4 d5+=) 25.fe5+- Nh5 26.Rgf3 de5? (better is 26...d5+-) 27.Nf7! Rff7 28.Rf7 b5 29.Qf2 Nf6? 30.Bc4 bc4 31.Rf6 gf6 32.Qf6 Rg7 33.Bh6 (33.Bh6 Qc7 34.Qe6 Kh7 35.Bg7 Qg7 36.Rf5 Qg2 37.Kg2 Be4 38.Kg3 Bf5 39.Qf5 Kg7 40.de5 Kg8 41.e6 Kg7 42.e7 a4 43.e8Q a3 44.Qef8) 1–0. Frink,Ferenc (2200) – Kormos,Lajos (2085), HUN–chT2 Erkel, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.c3 e6 8.Ne2 Be7 9.0-0 b6 10.Nd2 e5 11.h3 0-0=+ 12.f4 Bb7 13.Qb1 Qc7 14.g4 h6 15.Nf3 Rfe8 16.f5? d5-+ 17.ed5 Nd5 18.Bc1 ed4 19.cd4 Bf6 20.Ra3 Nd4! 21.Ned4 Qg3 22.Kh1 Qh3 23.Nh2 Ne3 24.Be4 Be4 25.Qe4-+ Re4 26.Be3 Re3 (26...Re3 27.Re3 Qe3-+) 0–1. Frink,Ferenc (2255) – Kubin,P (2055), Tatry Open Tatranske Zruby SVK, 2006.

    7.c3 e6 8.Nf3 Be7 9.0-0 0-0 10.Nbd2 e5 11.h3 d5 12.de5 Ne5 13.Ne5 Ba3 14.Ra3 Qe7 15.Qa4 (15.Rb3 Qe5 16.Nf3 Qh5+=) 15...Qe5 16.f4 Qh5 (better is 16...Qe7!? 17.e5 Nd7=) 17.e5+/- Nd7 18.Qd4 Nb6 19.f5 Bd7 20.Kh2 f6 (better is 20...Rfe8!?+=) 21.e6+/- Bc6 22.Nf3 Qe8 23.Qf4 Qe7 24.Rfa1 a6 25.Nd4 Qc5 26.Rb3 Nc8 27.Qc7 Qd6 28.Qd6 Nd6 29.Nc6 bc6 30.Rb6 Rfc8 31.Raa6 Ra6 32.Ra6 h5 33.g4 h4 34.Kg2+/- Nb7 35.Ra7 Nc5 36.Be2 Rb8 37.g5! fg5 38.Bh5 Ne4? 39.Bg6 Nf6 40.Rc7 Rb2?? 41.Kf3 g4 42.hg4 Rb8 43.g5 Ne4 44.Kg4 h3 45.Kh3 Ng5 46.Kg4 Ne4 47.Kf4 Nf6 48.Rc6 Kf8 49.Rc7 Kg8 50.e7 d4 51.c4 d3 52.Ke3 Ne8 53.Rd7 d2 54.Kd2 Rb6 55.Be8 (55.Be8 Kh7 56.Bg6 Rg6 57.fg6 Kh6 58.e8Q Kg5 59.Rd5 Kh6 60.Qe7 Kg6 61.Rg5 Kh6 62.Qg7#; 55.Rd8 Rb2 56.Kc3 Rc2 57.Kc2 Kh8 58.Re8) 1–0. Dimitrov,Pavel (2320) – Angelov,Zvetomir (2105), Bastia FRA, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.c3 e6 8.Nf3 Be7 9.0-0 0-0 10.Qe2 e5 11.d5 Nb8 12.Bc1 Bg4 13.h3 Bh5 14.Be3 b6 15.Nbd2 a5 16.g4 Bg6 17.Nh2 Nbd7 18.g5 Nh5 19.Qg4 Nf4! 20.Bf4 ef4 21.Nhf3 Ne5 22.Ne5 de5 23.h4 Qc8 24.Qe2? (better is 24.Qc8 Rfc8 25.Rfc1-/+) 24...Qh3-+ (24...Qc3?! 25.Rfc1 Qb4 26.Nc4+=) 25.Qf3 Qh4 26.Be2 Qg5 (26...Bg5?! 27.Rfb1-+) 27.Kh2 a4 28.Rg1 Qh4 29.Kg2 Bc5 30.Rh1 Qg5 31.Kf1 Rfb8 32.Bb5 Ra5 33.Bc6 a3 34.Ke2 Qe7 35.Rag1 b5 36.Nb3 Ra4 37.d6 Qd6 (worse is 37...Bd6 38.Rg6 fg6 39.Bd5 Kf8 40.Rh7-+) 38.Bd5 Ba7 39.Qg4 Qf6 40.Qd7 (40.Qf3 b4 41.Rc1 bc3 42.Rc3 Qa6 43.Kd2 a2-+) 40...Be4 41.Be4 Re4 42.Kf3 Ra4 43.Rd1 h6 44.Nd2 Qb6 45.Ne4 Qb7 46.Qb7 Rb7 47.Rd8 Kh7 48.Ng5 Kg6 49.Ne4 Rb8 50.Rd6 Kh7 51.Rd7 a2 52.Rhd1 a1Q (52...a1Q 53.Ra1 Ra1-+) 0–1. Bar Or,Ornan (1995) – Havlik,Jan (2235), Cesky Krumlov op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Nd2 Nb4?? 8.Bb4+- ½–½. Lehmann,Harald – Graul,Mario, DESC, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Nd2 Nd4 8.Bb2 Nc6 -/+.

    7.Ne2 e6 8.0-0 Be7 9.Nd2 0-0 10.c4 e5 11.d5 Nb8 12.h3 Nbd7 13.Kh1 b6 14.f4 ef4 15.Nf4 Nc5 16.Bc5 bc5 (worse is 16...dc5 17.e5 Nd7 18.d6+/-) 17.Nf3 Nd7 18.Ra2 g6 19.g4 Ne5 20.Ne5 de5 21.Ng2 a5 22.Qa1 Bf6 23.Rf3 Bg7 24.Qf1 h6 25.Bc2 Ra6 26.Ba4 f5 27.gf5 gf5 28.Qf2? fe4-+ 29.Rf8 Qf8 30.Qf8 Kf8 31.Bb5 Ra7 32.Kh2 Ke7 33.Ne3 Bd7 34.Bd7 Kd7 35.Nf5 Bf8 36.Ng3 e3 37.Kg2 a4 38.Kf3 Kc7 39.Ke3 Kb6 40.Nf5 Ka5+= 41.Kd3 Rb7 42.d6? Rf7?? 43.Ke4= Rf5 44.Kf5 Bd6 45.Ke6 Bf8? 46.Rf2+- Kb4 47.Rf8 Kc4 48.Ke5 a3 49.Ra8 Kb3 50.Kd5 c4 51.Ra3 Ka3 52.Kc4 Ka4 ½–½. Butler,Kevin – O'Donovan,Richard, Leinster–ch, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Ne2 g6 8.0-0 Bg7 9.c3 0-0 10.Nd2 a6 11.f4 b5 12.Qb1 Rb8 13.e5 de5 14.fe5 Nd5 15.Nf3 Nc3 16.Nc3 b4 17.Be4 Nd4 18.Nd5 (18.Bb4? Nf3 19.Rf3 Qd4 20.Kh1 Rb4-+) 18...Nf3 19.Rf3 Bg4 (better is 19...Bb7!? 20.Ne7 Qe7-+) 20.Bb4+= Bf3 21.Bf3 a5 22.Ne7 Kh8 23.Nc6 Qb6 24.Kf1 ab4 25.Nb8 Rb8 26.Qb3 Be5 27.Re1 f6 28.Bd5 (28.g3 Qa6 29.Kg2 Qa3-+) 28...Rd8 29.Rd1? (29.h3-+) 29...Bh2 30.Ke2 Re8 31.Kf3 (31.Kd2 Qd4 32.Kc1 Qa1 33.Kc2 Rc8 34.Bc4 Qa8-+) 31...Bg1 (31...Qd6 32.Kf2 Qf4 33.Qf3 Bg3 34.Kf1 Qh4-+) 32.Rd3 (32.Rg1 Qg1 33.Qd3-+) 32...Qf2 33.Kg4 h5 34.Kh3 Qf5 (34...Qf5 35.Kg3 Qg4) 0–1. Frink,Ferenc (2225) – Csiszar,Csaba (2385), Zalakaros op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Ne2 g6 8.0-0 Bg7 9.Nd2 0-0 10.Rb1 Qc7 11.c3 (11.h3 Re8=) 11...a6 12.f4 (12.Qc2 Re8=) 12...Na5 (12...b5 13.Qc2+=) 13.Qe1 b5 14.Qh4 Bb7 15.Rf3 Nc4 16.Bc4 bc4 17.Rh3 h6 18.Re3 Rab8 19.Rf1 Qa5 (19...a5 20.Kh1-/+) 20.Bc1 (20.Ra1 Qd8+=) 20...Rbc8 (20...Qb5 21.h3+=) 21.g4 e5 22.fe5= g5 23.Qg3 de5 24.d5 Qc5 25.h3 Rcd8 26.Kh2 Ne8 27.Nb1 Nd6 28.Ba3 Qb6 29.Nd2 Qc7 30.Qf2 Rfe8 31.Bd6 Rd6+= 32.Ng3 Rf6 33.Rf3 Rf4 34.Nh5 Rf3? 35.Qf3+- Rf8? 36.Ng7 Kg7 37.Qf6 Kh7 38.Rf5 Qc5 39.h4?? Qe3= 40.Nf1 Qe2 41.Kh3 Qd3? 42.Ng3+- gh4 43.Qh4?? Bc8+/- 44.Rh5 Qe3= 45.Qf6?? Bg4!-+ 46.Kh2 Bh5 47.Nh5 Qe2 48.Kh3 Qh5 (48...Qh5 49.Qh4 Qf3 50.Qg3 Qe4 51.Qg2 Qd3 52.Kh2 Rg8 53.Qg8 Kg8 54.Kg2 Qd5 55.Kf1 Qd2 56.Kg1 Qe2 57.Kh1 f5 58.Kg1 f4 59.Kh1 f3 60.Kg1 Qg2) 0–1. Valera,Jesus – Arruebarrena,Rafael, VEN–ch Expertos y Maestros, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Nf3 Bg4 8.Bb2 Qb6 9.Bc3 e6 10.0-0 Bf3 11.Qf3 Nd4 12.Bd4 Qd4 13.Nd2 Be7 14.Bb5 Nd7 15.Nb3 Qb6 (better is 15...Qe5!? 16.Ra5 Qf6+=) 16.Bd7= Kd7 17.Qf7 Raf8 18.Qg7 Kd8 19.Nd4 Rfg8? (better is 19...Bf6 20.Ne6 Ke8+=) 20.Ne6+- Kd7 21.Qf7 Rf8 (21...a6+-) 22.Nf8 Rf8 23.Qh7 Qd4 24.Rab1 b6 25.Rbd1 Qc5 1–0. Sharapova,Anzama – Klyuchik,Yuliya, RUS–ch U10 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Ba3 Nf6 6.Bd3 Nc6)

    7.Nf3 Bg4 8.c3 e6 9.Nbd2 Be7 10.0-0 0-0 11.Qb1 Bf3 12.Nf3 Qb6 13.Qb6 ab6 14.c4 Nd7 15.Rfb1+= Rfc8 16.Kf1 g5 17.h3+= h6 18.Ke2 Kg7 19.d5 Na5 20.de6 fe6= 21.Bb4 Nc6 22.Bd2 Ra1 23.Ra1 Bf6 24.Rb1 Nd4 25.Nd4 Bd4 26.g3 Ra8 27.Rb3 Kf6=+ 28.f4 gf4 29.gf4 Rg8 30.Kf3 Nc5 31.Ra3 Rg1 32.Bb4 Rh1 33.Kg2 Rd1 34.Bc5 bc5-/+ 35.Rb3 Rg1 36.Kf3 h5 37.Rb7 h4 38.Rd7 Rg3 39.Ke2 Rh3 40.Rd6=+ Re3 41.Kd2 Rg3 42.e5 Ke7 43.f5 Rg2 44.Ke1 ef5 45.Bf5 Rg5 46.Re6 Kf7 47.Bh3 Be5 48.Kf1 Kg7 49.Ke2 Bf6 50.Re4 Kf7 51.Bg4 Rg7 52.Bh5 Kg8 53.Bg4 Ra7 54.Kf3 Kg7 55.Bf5 Kh6 56.Kg4 Ra3 57.Re6 Rg3 58.Kf4 Kg7 59.Rc6 Bg5 60.Ke5 Re3 61.Be4 Be7 ½–½. Mestrovic,Zvonimir – Matulovic,Milan, JUG–23ch Cateske Toplice, 1968.

    7.Nf3 Bg4 8.d5 Bf3 9.gf3 Ne5 +=.

    7.c3 g6

    8.Ne2 Bg7 9.0-0 0-0 10.h3 a6 11.Nd2 b5 12.f4 Bb7 13.Qb1 Re8 14.Nf3 Na5 15.g4 Rc8 16.Ra2 Nc4 17.Bc1 Qb6 18.Kh2 d5 19.e5 Ne4 20.f5 Kh8 21.Be4 de4 22.Ng5 Bd5?? (better is 22...f6 23.Nf7 Kg8-/+) 23.Nf4+= Qb7 24.Nd5 Qd5 25.Ra6 e3 26.fg6 Be5? (better is 26...fg6!? 27.Qe4 Qe4 28.Ne4 b4 29.cb4 Red8=) 27.Kg1+/- Bf6?? (better is 27...fg6 28.Nf7 Kg7 29.de5 Ne5 30.Ne5 Qe5-/+) 28.g7! Kg7 29.Qh7 Kf8 30.Rff6 ef6 31.Qh8 Ke7+- 32.Ra7 Kd6 33.Qf6 Re6 34.Qf7 Nb6 35.Ba3 Kc6 36.Qb7 1–0. Frink,Ferenc (2195) – Galovic,Stefan (2165), SVK–chT1E, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    8.f4 Bg7 9.Nf3 0-0 10.0-0 a6 11.Nbd2 b5 12.d5 Na5 13.Bb4 Nc4 14.Bc4= bc4 15.Ba5 Qe8 16.Re1 Bg4 17.Nc4 Qb5 18.Ncd2 Rfc8 19.h3= Qc5 20.Kh1 Bd7 21.Nd4 Nh5 22.Qf3 Bh6 23.Ne2 Bg7 24.g4 Nf6 25.Bb4 Qc7 26.Ba5 Qc5 27.c4 Ne8 28.Ra2 e6 29.Ng3 Rab8 30.f5 Nc7 31.Rf1+= Rf8 32.Bc3 Bc3-/+ 33.Qc3 ed5 34.ed5 Nd5 35.Qc1 Nf6 36.g5 Bc6 37.Kh2 Nh5 38.Nh5 gh5 39.Nf3 Rb3 40.Qf4-/+ Bf3 41.Rf3 Rf3 42.Qf3 Qc4 43.Rf2 Qd4 44.Re2 Rb8 45.f6 h4 46.Kg2 Kh8 47.Qe4-/+ Qe4 48.Re4 Rg8 49.Kf3 h6 50.gh6 Rg6-+ 51.Rf4 Rg3 52.Kf2 Rh3 53.Rd4 a5 54.Ra4 Kh7 55.Ra5 Rd3 56.Rh5 h3 57.Ke2 Rg3 58.Rh4 Rg6 59.Rh3 Rf6 60.Ke3 Rh6 61.Rf3 Kg7 62.Ke4 Kf8 63.Ra3 Ke7 64.Ra8 Rh4 65.Kf5 Rh5 66.Ke4 Re5 67.Kd4 f5 68.Rh8 Kd7 69.Rg8 Ra5 70.Rh8 Re5 71.Rg8 Re8 72.Rg6 Re1 73.Rf6 Rf1 74.Kd5 Rd1 75.Kc4 Rc1 76.Kd5 Rc5 77.Kd4 Ke7 78.Rh6 Re5 79.Rh8 f4 80.Rh4-/+ Ke6 81.Rf4 Ra5 82.Re4 Kd7 83.Re1 ½–½. Nanu,C (2415) – Orso,M (2400), Caissa IM, Miercurea Ciuc ROM, 2001.

    8.f4 Bg7 9.Nf3 0-0 10.0-0 d5 11.ed5 Nd5 12.Qd2 Qc7 13.Ne5 f6 (13...Rd8!?=+) 14.Nc6= bc6 15.c4 Nb6 16.Nc3 White plans d5 (16.Qe3 Re8=) 16...Be6 (16...Rd8!?=+) 17.Rfe1= Qd7 (17...Bc4? 18.Bc4 Nc4 19.Qa2+-; worse 17...Nc4 18.Qe2 Na3 19.Qe6 Kh8 20.Ra3 Qf4 21.Ne2+- (21.Qe7?! Qd4 22.Qe3 f5 23.Qd4 Bd4 24.Kf1 a5=)) 18.d5 cd5 19.cd5 Bf7 (19...Bd5!? 20.Re7 Qd8=) 20.Re7 Qd8 21.d6 (21.Re4 f5 22.Re5 A) worse 22...Bd5 A1) 23.Nd5? Be5 (23...Nd5? 24.Bc4 Be5 25.Bd5 Kg7 26.Bf8 Qf8 27.fe5 Qc5 28.Kh1+-) 24.Ne7 Kg7-+; A2) 23.Rd5 Nd5 24.Bc4+-; B) 22...Be5 23.fe5 Nd5 24.Bf8 Qb6 25.Kh1 Qd4=+ (worse 25...Kf8 26.Be4 fe4 27.Nd5+=)) 21...Rc8 (21...f5 22.Ree1=) 22.Ba6 (22.Nb5 Nc4 23.Bc4 Rc4+-) 22...Nc4+= 23.Bc4 Rc4 24.Rae1 (better 24.f5+=) 24...Qa5? (24...f5 25.Ne2+=) 25.Bb2?? (better 25.Rf7 Qc3 26.Qc3 Rc3 27.Rf8 Bf8 28.d7+-) 25...f5 26.Nd1?? (26.d7 A) worse 26...Rc3 27.Re8 (27.Bc3?? Bc3 28.Qc1 Be1 29.Re1 Rd8-+) 27...Qc5 28.Kh1+-; B) 26...Bf6 27.Qd6 Be7 (27...Bc3 28.Re8 Be8 29.de8Q Qc5 30.Qc5 Rc5 31.Qe6 Rf7 32.Rd1+-) 28.Re7 Rd8=) 26...Qb6 (better 26...Qd2 27.R7e2 Qf4 28.Bg7 Kg7-+) 27.Qf2 (27.Qe3 Qd6 28.Bg7 Kg7 29.Qe5 Qe5 30.fe5 Re4 31.Re4 fe4+=) 27...Rd4 (27...Qd6 28.Bg7 Kg7 29.Qa7 Rf4 30.Nf2=+) 28.Ba3 (28.Bd4 Bd4 29.R7e3=+) 28...Rd8=+ 29.Ne3 Rd3 (better 29...Ra4 30.Rf7 Ra3=+) 30.Bc1? (better 30.Nc2=) 30...R3d6 31.Nf1 0–1. Martinez,Jorge Alexander – Zapata,Alonso, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 Nc6)

    8.f4 Bh6 9.Bc1 0-0 10.Nf3 d5 11.e5 Ne4 12.0-0 f5 13.Ng5 e6 14.h4 Bg7 15.Ba3 Re8 16.Nf3 b6 17.Qc2 a5 18.Bb5 Bd7 19.Qb3 Na7 20.Bd7 Qd7 21.c4 dc4 22.Qc4 b5 23.Qd3 b4 24.Bb2 Nc6 25.Nbd2 Nd2 26.Qd2 a4 27.Rfb1 Red8 28.Ra2 a3 29.Ba1 Bf8 30.Qc2 Na5 31.Nd2 Rac8 32.Qd3 Qd5 33.Rc2 Bc5! (33...Bc5 34.Kh1 Rb8-+) 0–1. Starczewska,Dominika (1870) – Wisniowska,Klaudia (1960), Final Mistrzostw Polski Juniorek Poland, 2010.

    8.f4 Bh6 9.Bc1 0-0 10.Nf3 d5 11.e5 Ne4 12.0-0 f6 13.ef6 ef6 14.Qb3 Rf7 15.Re1 Bg4 16.Nfd2 f5 17.Nf1 Rc8 18.Ne3 Bf4 19.Ng4 Qh4 (19...Qh4 20.Rf1 Bc1 21.Be4 A) 21...fe4?! 22.Rf7 Kf7 23.Qd5 (23.Qb7? Ne7 24.Nf2 e3-+) 23...Kf8 24.Qe4=+; B) worse 21...Qg4 22.Bd5 Rcc7 23.Rc1 Nd4 24.Bf7 (24.cd4? Qd4 25.Kf1 Rc1 26.Ke2 Qa1 27.Bf7 Kg7-+) 24...Rf7 25.cd4 Qd4 26.Kh1 Qa1 27.Rc7+-; C) 21...de4 22.Rc1 fg4-+; 19...fg4 20.Bf4 Nf2 21.Kf2 Qh4 22.Ke2 Re7 23.Be5 Ne5 24.Be4-/+) 0–1. Beukenhorst,E (1945) – Bosboom,M (2395), 34th Geraardsbergen Open (2), 2018. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 Nf6 5.Bd3 ba3 6.Ba3 Nc6)

    6.Bd3 g6

    7.c3 Bg7 8.Nf3 0-0 9.0-0 Nc6 10.Nbd2 b6 11.Qe2 Bb7 12.Rfe1 Qc7 13.h3 Nh5 14.Qe3 Rac8 15.Rac1 e5 16.Bc4 Na5 17.Ba2 Rfe8 18.de5 Be5 19.Ne5 de5 20.Qh6 Nf4 (20...Kh8!?+=) 21.Nf3= Ne6 22.Rcd1 Rcd8 23.Rd8 Rd8= 24.Be6 fe6 25.Ng5 Bc8 26.Re3 Qg7 27.Qh4 h6 28.Rf3 hg5 29.Qg5 Nc6 30.Rf6 Kh7 31.Qh4 Kg8 32.Qg5 Kh7 33.Qh4 Kg8 34.Qg5 Kh7 35.Qh4 Kg8 36.Qg5 Kh7 37.Qh4 Kg8 38.Qg5 Kh7 39.Qh4 Kg8 40.Qg5 Kh7 41.Qh4 Kg8 42.Qg5 Kh7 43.Qh4 Kg8 44.Qg5 Kh7 45.Qh4 Kg8 46.Qg5 Kh7 47.Qh4 Kg8 48.Qg5 Kh7 49.Qh4 Kg8 50.Qg5 Kh7 51.Qh4 Kg8 52.Qg5 Kh7 53.Qh4 Kg8 54.Qg5 Kh7 55.h4 Rg8?? 56.Bc1?? Rf8-+ 57.Rf8 Qf8 58.h5 Qg7 59.Qh4 Kg8 60.Bg5 gh5 61.Qh5 Bd7 62.Bh6 Qf7 63.Qg4 Kh7 64.Qh4 Be8 65.g4 Kg8 66.Bg5 Qh7 67.Bh6 Qe4 68.Qg5 Qg6 69.Qh4 e4 70.Bf4 e5 71.Bg5 Bd7 72.Kg2 Kg7 73.Kg3 a5 74.Be3 b5 75.g5 Qe6 76.Qh5 b4 77.cb4 ab4 78.Bd2 b3 79.Bc3 Nd4 80.f4 ef3 81.Kf2 Qh3 82.Qh3 Bh3 83.Ke3 Kg6 84.Bb2 Kg5 85.Kf2 Kg4 86.Bc1 e4 87.Bb2 Nf5 88.Bc1 b2! 89.Bb2 e3 90.Ke1 f2 91.Kd1 f1Q 92.Kc2 Qc4 93.Kb1 Bf1 94.Be5 Qb3 95.Ka1 Bd3 96.Bb2 Qa4 (96...Qa4 97.Ba3 Qa3) 0–1. Dimitrov,Pavel (2320) – Djuric,Stefan (2445), Bastia FRA, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6)

    7.Ne2 Bg7 8.0-0 0-0 9.c3 Nc6 10.Qb3 Na5 (10...Qc7 11.Nd2=+) 11.Qc2 Bd7 (11...Qc7 12.Nd2=+) 12.d5 (12.f4 Qc7=+) 12...Qc7 (12...b5 13.Nd2-/+) 13.Nd2 (13.Qa2 b6-/+) 13...b5 14.e5 (14.Rfb1 a6-/+) 14...Nd5 15.Be4 Be6 16.Qd3 (16.ed6 ed6 17.Bd6 Qd6 18.Ra5 a6-+) 16...de5-+ 17.Qb5 (17.Bd5? Rad8 18.Be7 Rd5-+ (18...Bd5?! 19.Bd8 Rd8 20.Qb5=; worse 18...Qe7 19.Ra5 Rd5 20.Qc2-+)) 17...Rab8 (17...Rad8 18.Bc1 Nc6 19.Rd1-+) 18.Qa4 (18.Qc5 Rfd8-+) 18...Nf6 (worse 18...Nc3 19.Nc3 Qc3 20.Be7-/+) 19.Ng3 (19.Bf3 Rfd8 20.Bc1 Nb3 21.Nb3 Bb3-+ (21...Rb3?! 22.Re1-+)) 19...Nb3 (19...Qc3 20.Be7 Qd2 21.Bf8 Kf8 22.Qa5 Qa5 23.Ra5=; 19...Ne4?! 20.Nge4 Nb3 21.Rab1 Nd2 22.Nd2 Rb1 23.Nb1-+) 20.Rad1 (20.Nb3 Bb3 (20...Rb3?! 21.Bb4-/+) 21.Qc6 Qc6 22.Bc6 Rfc8-+) 20...h5 (20...Rfd8 21.Nf3 Bd7 22.Qa6 Ne4 23.Ne4-+) 21.h4 (21.Rfe1 Nd2 22.Rd2 Qc3-+) 21...Qc3 22.Nf3 Nc5 (22...Qc7 23.Bd3-+) 23.Bc5 Qc5 24.Rc1 (24.Qa1 Bc4 25.Rc1 Rfd8-+) 24...Qb4 25.Bc2 (25.Qb4 Rb4 26.Rfe1 Ne4 27.Re4 Re4 28.Ne4 Rc8 29.Rc8 Bc8-+) 25...Qa4 26.Ba4 Rb4 27.Bc2 (27.Bc6 Rc8 28.Ne5 Rh4-+) 27...Ng4 (27...Rd8 28.Ne5 Rh4 29.Rfd1-+) 28.Ng5 (28.Be4 Bh6 29.Rc7 Bf4-+) 28...Bc4 29.Rfd1 (29.Rfe1 a5-+) 29...Nf6 (29...Bh6 30.f3 f6 31.Bg6-+) 30.Ra1 (30.Nf3 Bd5 31.Ne5 e6-+) 30...Rb7 (30...Ra8 31.Ra5-+) 31.Ra5 a6 (31...Rc8 32.Re5 Rb2 33.Be4-+) 32.Rc1 (32.Rc5 Bb5-+) 32...Bb5 (32...Rb4 33.Re5 Nd5 34.Re4-+) 33.Rb1 (33.Ba4 Rfb8-+) 33...Rc7 (33...Rbb8 34.Rd1-+) 34.Ba4 Rb8 (34...Bc4 35.Nf3 Ng4 36.Nd2-+) 35.f3? (better 35.Bb5 ab5 36.Rab5 Rb5 37.Rb5-+) 35...Rcb7 36.Re1 (36.Bb5 ab5 37.Rb3 e6-+) 36...Nd5 (36...Bc4 37.Rc5 Rb4 38.Bc6-+) 37.Bb3 (37.Bb5 ab5 38.N3e4 Rd7-+) 37...e6 38.N5e4 (38.N3e4 Rb6-+) 38...Rc7 (38...Bh6 39.Kf2-+) 39.Nd6 (39.Ba4 Bh6-+) 39...Bf8 (better 39...Bf6 40.Kh2-+) 40.Nde4 (40.Nge4 Bc6 41.Ba4-+) 40...Bb4 41.Rb5 (41.Rea1 Ba5 42.Ra5 Nf4-+) 41...Rb5 (41...Be1?! 42.Rb8 Kg7 43.Kh2=) 42.Rb1 (42.Ra1 Be7 43.Nd2 Bh4-+) 42...Bc5 (42...Be7 43.Nf1-+) 43.Kh2 (43.Kf1 Bd4 44.Ne2 Ne3 45.Kf2 Rcb7 46.Nd4 ed4-+) 43...Rcb7 (better 43...Be7 44.Nd2-+) 44.Bd5 ed5 (better 44...Rb1 45.Bb7 Bg1 46.Kh3 Rb7 47.Nf6 Kf8 48.Nge4-+) 45.Nf6 (45.Rb5 Rb5 (45...ab5?! 46.Nc5 Rc7 47.Nd3-+) 46.Nf6 Kf8 47.Nd5 a5-+) 45...Kg7 46.Ne8 0–1. Miciak,Maros (2055) – Demeter,Peter (2255), 1. League East, 2010. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Ba3 Nf6 6.Bd3 g6)

    7.Ne2 Bg7 8.c3 0-0 9.0-0 a6 10.f4 b5 11.Nd2 Bb7 12.h3 Qb6-/+ 13.Kh2 Nbd7 14.g4 Rac8 15.Bb4 Rfe8 16.Ng3=+ e5 17.g5 ed4 18.gf6 Bf6 19.c4? bc4-+ 20.Nc4 Qb4 21.Rb1 Qc3?? 22.Ne2?? Qd3!-+ 23.Qd3 Be4 24.Qb3 Bb1 25.Nd4 Bd4 26.Rb1 d5 27.Ne5 Ne5 28.fe5 Be5 29.Kg2 Rb8 30.Qd1? Rb1 31.Qb1 d4 32.Qb7 Re6 33.Qd5 Kg7 34.Kf2 Bf6 35.Qc4 a5 36.Kf3 Re3 37.Kg4 h5 38.Kf4 g5 (38...g5 39.Kf5 Re5) 0–1. Frink,F (2255) – Hujbert,F (2015), Open, Balatonlelle HUN, 2004.

    7.Ne2 Bg7 8.Nd2 0-0 9.0-0 Nc6 10.c3 Qc7 11.h3 (11.d5 Ne5 12.Bb1 a5-/+) 11...Re8 (11...a5 12.c4+=) 12.f4 (12.Bc1 a5+=) 12...d5 (better is 12...Nb8!?-/+) 13.e5 Nd7 14.f5 e6 (14...Bh6 15.fg6 hg6 16.Nf4 Bf4 17.Rf4+=) 15.f6 (15.Bd6 Qd8 16.c4=) 15...Bh6= 16.Nf3 (16.Bd6 Be3 17.Kh1 Qd8+=) 16...b6 (16...Ndb8 17.Bc1 Bc1 18.Qc1 (18.Nc1 b6=; worse is 18.Rc1 Bd7+=) 18...Nd4 19.cd4 (19.Nfd4?! Qc5+-) 19...Qc1 20.Rfc1+- (20.Nc1?! a5+/-)) 17.Bd6 Qd8 18.g4? (18.Bb5 Be3 19.Kh1 Bb7=) 18...Bf8 (18...Nf6 19.Bb5 Qd7=) 19.Bf8 (19.Bb5 Bb7 20.Bc6 Bc6 21.Bf8 Rf8+/- (21...Nf8 22.Qc1 Nd7 23.Qh6 Qf6 24.ef6 Nf6 25.Ng5 Re7 26.Rf6 Rd7 27.Qh7 Kf8 28.Rf7 Ke8 29.Qg8; 21...Kf8?? 22.Qd2 Re7 23.Qh6 Ke8 24.fe7 Qe7 25.Ng5+-)) 19...Rf8 (better is 19...Nf8!? 20.Bb5 Qd7+=) 20.Qd2 Nf6 21.ef6 Qf6? 22.Ne5+- Qd8 23.Nc6 Qc7 24.Ne5 f6 25.Nf3 e5 26.de5 fe5= 27.Nh4 Bb7 28.Qg5 Qc6 29.Nf5 Qc5?? 30.Kh2 e4 31.Ne7 Kh8 32.Qe5 Rf6 33.Qf6 1–0. Cuberli,Emiliano – Rubin,Uriel, Magistralito Najdorf U14, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6)

    7.Ne2 Bg7 8.Nd2 0-0 9.0-0 Nc6 10.c3 Re8 11.f4 e5 (11...a6!?+=) 12.fe5 de5 13.d5 Nb8 14.Ng3 Bg4 15.Qe1 Bc8 16.Nc4 Bf8 17.Bf8 Kf8 18.Qf2 Kg7? (better is 18...Nbd7 19.Nd6 Re7+/-) 19.Nb6!+- (19.Ra7?! Ra7 20.Qa7 Na6+/-) 19...ab6 20.Ra8 Na6?? 21.Rc8! Qc8 22.Qf6 (22.Qf6 Kg8 23.Qf7 Kh8 24.Qf6 Kg8 25.d6+-) 1–0. Gagnon,Mark – Taylor,Robert V, LERA Class–ch, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 g6)

    7.Ne2 Bg7 8.Nd2 a5 9.Nb1 -/+.

    7.Nf3 Bg7 8.0-0 0-0 9.c3 Nc6 10.Re1 Re8 11.Nbd2 Nd7 12.Nf1 Nb6 13.Ne3 e6 14.g4 e5 15.d5 Ne7 16.c4 f5 17.gf5 gf5 18.ef5 (worse is 18.Nf5 Nf5 19.ef5 e4 20.Be4 Ba1 21.Qa1 Nc4-/+) 18...e4 19.Be4 Ba1 20.Qa1 Ng6? (20...Rf8+/-) 21.Ng4?? (better is 21.fg6!? Re4 22.gh7 Kh7 23.Qb1 Qg8 24.Ng2+-) 21...Ne5 22.Kh1?? (better is 22.Nfe5 de5 23.Kh1+- (23.Ne5?! Nd7 24.Nd7 Bd7+/-)) 22...Ng4-+ 23.Rg1 (23.Qd4 Qf6 24.Qf6 Nf6 25.Rg1 Kf7 26.Ng5 Ke7 27.Bd3 Bf5 28.Bf5 Nc4 29.Bc1 Nd5 30.Nh7-+) 23...Re4 24.Nd2 Bf5 25.f3 Qg5 26.Ne4 Be4 27.Qf1 (27.Rg3 Bf3! 28.Rf3 Nc4 29.Rg3-+) 27...Rf8 28.Rg3 Rf3! 29.Rf3 Ne5 (29...Ne5 30.Bc1 Bf3 31.Qf3 Qc1 32.Kg2 Nf3 33.Kf3 Qc4 34.h3 Nd5 35.Kf2 Qd3 36.Kg2 Qe3 37.Kf1 Nf4 38.h4 Qf3 39.Ke1 Qe2#; 29...Qf4 30.Qe2 Bf3 31.Kg1 Be2 32.Bd6 Qf1) 0–1. Ciechocinski,S – Przybek,Marek, Poland–chT Mikolajki, 1991. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 g6)

    7.Nf3 Bg7 8.0-0 0-0 9.Re1 Nbd7 10.c4 Re8 11.Nc3 a6 12.Rb1 b6 13.Qc2 Nh5 14.Nd5 e6 15.Ne3 Qc7 16.Ng4 e5 17.de5 Ne5 18.Nfe5 de5 19.Ne3 Be6 20.Nd5 Bd5 21.ed5 Bf8 22.Bf8 Kf8 23.Be4 Qc5 24.Red1 Rac8 25.d6 Red8 26.Bb7+/- Qc4 27.Qc4?? Rc4-/+ 28.Ba6 Rc6 29.d7 Nf6 30.Bb5 Rc5 31.Kf1 Nd5 32.Rdc1 Nc3 33.Rb3 Rb5 34.Rcc3 Rb3 35.Rb3 Rd7 36.Rb6 Ke7 37.Ke2 Rd6 38.Rb5 Ke6 39.g3 f5 40.Rb7 Rd7 41.Rb6 Kd5 42.Rb5 Kd4 43.Rb1 Ra7 44.Rd1 Kc5 ½–½. Kanai,A – Smith,Robert W, Haifa ol (Men), 1976.

    7.Nf3 Bg7 8.c3 0-0 9.0-0 Nc6 10.Nbd2 b6 11.h3 Bb7 12.Re1 Rc8 13.Qe2 Qc7 14.Rac1 Qb8 15.Bc4 Na5 16.Ba2 Rc7 17.e5 de5 18.Ne5 Nd5 19.Ne4 (19.Bd5 Bd5 20.c4 Be5 21.Qe5 Nc4 22.Nc4 Bc4=) 19...Qe8 20.Ng5 (20.c4 Nf4 21.Qe3 Be5 22.de5 Qa4 23.Qf4 Qa3-/+) 20...h6 21.Ngf3 Qa4 22.Qb2 Rfc8 23.c4 (23.Kh2!?-/+) 23...Nf4 (23...Nc4?! 24.Nc4 Rc4 25.Rc4 Rc4 26.Bc4 Qc4 27.Be7+=) 24.Re3 Bf3 25.Rf3 Be5 26.de5 Nc4 27.Rc4? (27.Bc4 Rc4 28.Rc4 Rc4-+) 27...Rc4 (better is 27...Qd1 28.Kh2 Ne2-+ (28...Rc4?! 29.Bc4 Rc4 30.Qb5-/+)) 28.Bc4 Rc4 29.Kh2 Qd1?? (better is 29...Rc2 30.Qb1 Qe4-+) 30.Qb5= Qa4 31.Qa4 Ra4-+ 32.Be7 Rc4 33.Ra3 a5-+ 34.Rb3 Nd5 35.Bd6 Rc6 36.Rd3 Nf4 37.Rb3 f5 38.Be7 Kf7 39.Bd6 Nd5 40.g4 Nc3 41.Kg2 b5 42.Kf3 Ke6 43.Ke3 a4 44.Ra3 b4! 45.Bb4 Nd5 46.Kd4 Nb4 47.Ra4 Nc2 48.Kd3 Ke5 49.f4 Ke6 50.Kd2 Kd5 51.Kd3 Ne1 52.Ke2 Re6 53.Kf2 Nd3 54.Kf3 Nc5 55.Ra8 Nb3 56.Rd8 Kc4 57.Rh8 Nd4 58.Kf2 Kd3 59.Rh6 Ke4 60.gf5 gf5 61.Rh8 Ra6 62.h4 Kf4 63.h5 Ra2 64.Ke1 Rh2 65.h6 Nf3 66.Kf1 Ng5 67.Kg1 Rh5 68.Kg2 Nf7 69.Ra8 Rh6 70.Ra4 Kg5 71.Kg3 Rd6 72.Rb4 Rd3 73.Kf2 Nd6 74.Ke2 Ra3 75.Rd4 Ne4 76.Rd8 Kf4 77.Rh8 Ra2 78.Ke1 Kf3 79.Rh3 Ng3 80.Rh8 f4 81.Rb8 Kg2 82.Rf8 f3 83.Rf7 f2 84.Kd1 f1Q 85.Rf1 Nf1 86.Ke1 Kf3 87.Kd1 Ke3 88.Kc1 Kd3 89.Kb1 Rc2 90.Ka1 Kc3 91.Kb1 Kb3 92.Ka1 Rc1 0–1. Dimitrov,Pavel (2330) – Can,Emre (2520), Skopje MKD, 4th Karpos Open, 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 g6)

    7.Nf3 Bg7 8.h3 0-0 9.0-0 Nc6 10.c3 a6 11.Re1 b5 12.Nbd2 Bb7 13.Rb1 Qc7 14.c4 Nd7 15.e5 Nb6 16.ed6 ed6 17.Ne4 b4 (worse is 17...bc4 18.Bd6 Qd8 19.Bc2+/-; worse is 17...Nc4 18.Bc4 Nd4 19.Bb3 Be4 20.Re4 Nb3 21.Qb3+=; 17...Bd4 18.Bd6 Qc8 19.cb5 ab5 20.Bf8 Qf8 21.Bb5+-) 18.Bb4 Nb4 (18...Nd4? 19.Nd4 Bd4 20.Bd6+- (20.Nd6?! a5 21.Ba3 Bc6+/-)) 19.Rb4 a5 20.Rb1 d5 (worse is 20...Nc4 21.Rb7 Qb7 22.Bc4+=) 21.cd5 Bd5 22.Qd2 a4 23.Ne5 Nd7 24.Nc3 Bb7 (worse is 24...Be5 25.Nd5 (25.de5?! Bc6=) 25...Qd6 26.Be4+/- (26.de5?! Qd5 27.Qe2 Nc5=)) 25.Nb5 Qd8 26.Nf7 (26.f4!?=) 26...Rf7+= 27.Bc4 Nf6 28.Bf7 Kf7 29.Nd6 Qd6 30.Rb7 Kg8 31.Qb2 Bf8 32.Re5 a3 33.Qa2 Kh8 34.Rf7 Qd4-+ 35.Qe6 Ng8 36.Rd7?? a2 37.Rd4?? a1Q 38.Kh2 Qd4 (38...Qd4 39.Re2 Nf6-+) 0–1. Dimitrov,Pavel (2325) – Kozhuharov,Spas (2460), Plovdiv BUL, 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d6 5.d4 Nf6 6.Bd3 g6)

    5.d4 g6

    6.c3 Qc7 7.Bd3 Bg7 8.Ne2 Nh6 9.0-0 0-0 10.Nd2 Kh8 11.f4 f5 12.e5 Rd8 13.Nc4 b6 14.h3 Bb7 15.Ne3 Ng8 16.Qc2 Nd7 17.g4 fg4 18.hg4 de5 19.fe5 Rf8 20.g5 Ne5 21.de5 Qe5 (21...Be5?! 22.Be4=) 22.Ng2 Bg2 23.Kg2 Qg5 24.Kh1 Qh4 25.Kg2 Be5 26.Bf5 (26.Ng3 Qg3 27.Kh1-+) 26...Qh2 27.Kf3 Rf5 (better is 27...Qh3! 28.Kf2 Rf5 29.Qf5 Qf5 30.Ke3 Qg5 31.Ke4-+) 28.Ke3 Qh3 (28...Qh3 29.Kd2 Rd8 30.Kc1 Qe3 31.Kb2 Rf1 32.Rf1 Rd2-+) 0–1. Frink,Ferenc (2200) – Simon,Laszlo, HUN–chT2 Erkel, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.c3 Nf6 7.Bd3 a6 8.Nd2 b5 9.Ngf3 Bg7 10.0-0 Bg4 11.h3 Bf3 12.Nf3 Nc6 13.d5 Nb8 14.Bb4 0-0 15.Bb5 Nbd7 (better is 15...Ne4!? 16.Qd3 Nc5=) 16.Bc6+/- Ra7 17.Ba5 Qc8 18.Re1 Nc5? (better is 18...Nb8!? 19.Ba4 Nbd7+=) 19.Bb6+- Rc7 20.e5 Rc6 21.dc6 (21.ef6?! Rb6 22.fg7 Re8=) 21...Qc6 (21...Nfe4 22.Bc5 Nc5+-) 22.ef6 Bf6 23.Bc5 Qc5 24.Re3 a5 25.Nd4 Rc8 26.Qa4 e5 27.Nb3 Qb6 28.Na5 d5 29.Rd1 Ra8 (29...d4 30.cd4 ed4 31.Re8 Re8 32.Qe8 Kg7 33.Nc6+-) 30.Rd5 Bd8 (30...Qb1 31.Kh2 Qb8 32.Qc6+-) 31.Qe8 Kg7 32.Rd7 (32.Rd7 Qb1 33.Kh2+-) 1–0. b4_player – andrea, internet, 2013. (=1.b4 c5 2.e4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Bc4 Bg7 7.c3 e6 8.Nf3 Ne7 9.0-0 0-0 10.Nbd2 Re8 11.Bd3 b6 (better is 11...d5!?=) 12.Nc4+/- d5 13.Nd6 Bd7 14.Ne8 Qe8 15.ed5 Nd5 16.Qd2 Nc6 17.Rfe1 Qb8 18.Bf1 Qc7 19.c4 Nf6 20.Ne5 Rd8 21.Qc3 (21.Qe3 Bc8 22.Nc6 Qc6+/-) 21...Bc8 (21...Be8!? 22.Rad1 Ne4+=) 22.Rad1 Bb7 23.Nc6 Qc6 24.f3 Rc8 25.Qe3 Ba6 26.d5 ed5 27.cd5 Nd5 28.Qe4 Bf1 29.Rd5 Bb5 30.Rc1 Bc3 31.Bb2?? (31.Rb5!? Qb5 32.Rc3 Rc3 33.Qa8 Kg7 34.Qf8 Kf6 35.Qd6 Kg7 36.Qd4 f6 37.Qc3+/-) 31...Bb2?? (better is 31...f5 32.Qe3 Qd5 (32...Bb2?? 33.Rc6 Bc6 34.Rd2+-) 33.Bc3 Qc5 34.Qc5 Rc5-+ (worse is 34...bc5 35.Bd4-/+)) 32.Rc6+= Bc6 33.Qc2 Bd5?? 34.Qc8+/- Kg7 35.Qd7 Be6 36.Qa7 Bd4 37.Kf1 h5 38.Qa4 Be5 39.g3 Bf6 40.Qb4 Kh7 41.Qb6 Kg7 42.Kg2 Kh7 43.Qc5 Kg7 44.h3 Bf5 45.Qd5 Be6 46.Qc5 Bf5 47.g4 hg4 48.fg4 Be4 49.Kh2 g5 50.h4! Kg6 51.h5 Kh7 52.Qf2 Be5 53.Kg1 f5 54.Qa7 Bg7 55.Qe7 Bd3 56.h6 (56.h6 Kh6 57.Qd6 Kh7 58.Qd3+-) 1–0. Perez,Maximiliano (2145) – Franco,Gaston (2000), Villa Martelli Pro Am op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Bc4 Bg7 7.Nf3 Nf6 8.Nbd2 0-0 9.0-0 Nc6 10.c3 Bg4 11.h3 Bf3 12.Qf3 Rc8 13.Qe3 Qc7 14.Ba2 b5 15.f4 a5 16.e5 de5 17.fe5 Nd7 18.Rf7 Rf7 19.e6 Nb6 (better is 19...Nde5!? 20.ef7 Nf7=) 20.ef7+= Kf8? (better is 20...Kh8+=) 21.Ne4 b4?? (21...h6+-) 22.Ng5 (22.Ng5 e5 23.Ne6 Ke7 24.Nc7 Rc7 25.de5+-) 1–0. Farkas,Gabor (2240) – Kiss,Kinga (2045), HUN–chT, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Bc4 Bg7 7.Nf3 Bg4 8.c3 Nf6 9.Nbd2 0-0 10.h3 Bf3 11.Qf3 Nc6 12.0-0 Rc8 13.Rfb1 Bh6 14.Bc1 b6 15.g4 (15.Bb5 Qc7=) 15...Bd2 16.Bd2 Nd4 17.Bf7 (17.cd4 Rc4 18.Ra7 d5+=) 17...Rf7-/+ (worse is 17...Kf7 18.cd4 Kg7 19.Ra7+=) 18.cd4 Rc2 (18...d5 19.ed5 (19.Ra7? Ne4 20.Qe3 Rf2-+) 19...Nd5 20.Qe4-/+) 19.Bh6 (19.Qd3 Rc7=) 19...Nd7 (19...d5!? 20.Qb3 Rc7=) 20.Qb3= Rc7 21.d5 (21.Rc1 Rc1 22.Rc1 Nf8+=) 21...Ne5 (21...Qc8 22.Kg2+=) 22.Qb2 (22.f4 Qc8 23.fe5 Rc3-+) 22...Qc8 (22...Rf3 23.Ra3 Rf6 24.Qd4-/+) 23.Rc1 Nd3?? (better is 23...Nc4 24.Qb3 a6+=) 24.Rc7+- Qc7 (24...Nb2?? 25.Rc8 Rf8 26.Rf8) 25.Qb5 Qb8 (25...Qc8 26.Qd3 e5 27.de6 Qe6+-) 26.Qd3 (26.Qd3 g5 27.Rc1+-) 1–0. Adamczyk,Wieslaw – Janicki,Mateusz, Poznan Poland, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Nd2 Bg7 7.Ngf3 Nc6 8.c3 Nf6 9.Bc4 Qc7 10.Qb3 0-0 11.Ng5 e5 (11...Bh6!? 12.h4 Kg7-/+) 12.Bf7= Rf7 (better is 12...Kh8!? 13.d5 Nd8=) 13.Bd6+/- Qd6 14.Qf7 (worse is 14.Nf7 Qe6 15.Qe6 Be6 16.Ne5 Ne5 17.de5 Nh5+=) 14...Kh8 15.Qb7 Bb7 16.Nf7 Kg8 17.Nd6 ed4 18.Nb7 (better is 18.cd4!? Nd4 19.Ra4 Nc2 20.Kd1+=) 18...dc3= 19.Nf3 Ne4 20.0-0 Rb8 21.Na5? (better is 21.Ra4+=) 21...Na5-+ 22.Ra5 c2 23.Ra2 Bb2 24.Rb2 (24.Ra4 Nc3 25.Ra7-+) 24...Rb2 25.Nd4 Nd2 26.Re1 Nb3 27.Nb3 Rb3 0–1. Freyberg,Dominic – Scharfenberg,Michael, GER–chT U20 Erfurt, 1998. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Bd3 Bg7 7.c3 Nc6 8.Ne2 Nf6 9.0-0 0-0 10.h3 b6 11.Nd2 Bb7 12.f4 Na5 (12...Qc7 13.Qb3+=) 13.Qb1 (13.Bb4 Qc7=) 13...a6 14.Nf3 (14.d5 Re8+=) 14...d5 15.e5 Ne4 16.Ra2 Rc8 17.Ng5 (17.f5 gf5 18.Nh4 Nc4 19.Nf5 Re8=) 17...Nc3-/+ 18.Nc3 Rc3 19.f5 h6 (19...Bh6 20.Bc1 Rb3 21.Qc2-/+) 20.fg6 (better is 20.f6!? ef6 21.Bf8 Bf8 22.Nf7 Kf7 23.Rf6 (23.Bg6?! Kg8+=) 23...Kg8 24.Ba6+/- (24.Rg6?! Bg7=)) 20...hg5-/+ 21.gf7 Rf7?? (21...Kh8 22.Qd1 Rc6+-) 22.Bh7+- (22.Bh7 Kh8 23.Rf7+-) 1–0. Frink,Ferenc (2135) – Rigo,Ja (2285), Zalakaros HUN, National Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Bd3 Bg7 7.Ne2 Nf6 8.0-0 0-0 (8...Bd7 9.Qd2+=) 9.Nd2 (9.h3 Bh6+=) 9...Nc6 (9...a5 10.Qb1+=) 10.d5 (10.h3 Ne8 11.Nf3 Rb8+=) 10...Ne5 11.Nf4 (11.Bb2!?+=) 11...Nd3 (better is 11...Bg4 12.f3 Nd3 13.Nd3 Nd5 14.ed5 Ba1 15.Qa1 Bf5-/+) 12.cd3? (12.Nd3 a5-/+) 12...Ng4?? (better is 12...Nh5 13.Nh5 Ba1 (13...gh5?! 14.Ra2=) 14.Qa1 gh5-+) 13.Nc4?? Ba1-+ 14.Qa1 b5 15.Nd2 a5 16.Qd4 Qc7 17.Bb4 f6 18.e5 de5 19.Qe5 Qe5 20.Be7 Bf5 21.Bf6 Qf6 22.Nf3 g5 23.Nh5 Ra6 24.Ng3 Bd3 25.Rd1 Be2! 26.Rd2 Bf3 27.gf3-+ a4 28.d6 Rd8 (28...Rd8 29.fg4 Rad6-+) 0–1. Yu,Sally – Soltysik,Adelaide, AUS–ch U12 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Bd3 Bg7 7.Ne2 Nf6 8.c3 0-0 9.Nd2 Nc6 (9...a5 10.h4+=) 10.f4 (10.h3 Nh5+=) 10...d5 (10...Bg4 11.h3 Be2 12.Qe2-/+) 11.e5 (11.Qb1 Bh6-/+) 11...Ng4 12.Nf1 Nh6 13.Ne3 Ng4 14.Nc2 Nh6 15.h3 Bf5 (15...Nf5 16.g4 Nh4 17.0-0+=) 16.g4 Bd3 (16...Bc8 17.f5=) 17.Qd3 Qd7 (17...Qc8 18.f5 Rd8 19.e6=) 18.Ne3 (18.f5!?=) 18...Rfc8 19.f5 e6 20.f6 Bf8 21.h4 (21.Bf8 Rf8 22.Nc2+/-) 21...Ba3-/+ 22.Ra3 Kf8 23.h5+/- Ng8 24.Nf4 b5?? 25.hg6+- fg6 26.Ra2 b4 27.Rah2 h6 28.Rh6 Ne5 29.de5 Rc3 30.Ng6 Ke8 31.Rh8! Mate threat 31...Rd3 32.Rg8 Kf7 33.Rg7 (33.Rg7 Ke8 34.Rh8) 1–0. Frink,Ferenc (2240) – Dobos,Jozsef (2310), Salgotarjan Balazs Memorial op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.Nf3 Bg7 7.Bc4 Nc6 8.0-0 Nf6 9.Nbd2 0-0 10.Bb2 d5 11.ed5 Nd5 12.Re1 e6 13.Ne4 Nb6 14.Bb5 Bd7 15.Nc5 Qc7 16.Ra2 a6 17.Bc6 Bc6 (17...bc6?! 18.Ra6 Ra6 19.Na6+=; 17...Qc6?! 18.Qd3+=) 18.Qd3 Bd5 19.Ra3 (19.Raa1!?-+) 19...Nc4 20.Rb3 Ne5?? (better is 20...Bf3 21.gf3 b5-+) 21.Ne5+/- Bb3 22.cb3 Rfd8 23.Qe4 Rd5 24.Ncd3 Qc2 25.Nf7 Re8 26.Rc1 Qb3 27.Ng5? (better is 27.Qe3 Rf8 28.Ng5 Rg5 29.Qg5 Qd3 30.Qe3 Qe3 31.fe3-/+) 27...Bf6?? (27...Rg5 28.Qe3 Rf5 29.Bc3-+) 28.Rc3?? Qd1-+ 29.Ne1 Bg5 30.Kf1 Bd2 31.Rc8 Qe1 32.Qe1+= Be1 33.Re8 Kf7 34.Rc8 Rb5 35.Rc2 Bb4 36.f4 a5 37.Rc1? a4 38.Rb1?? Bc3!! (38...Bc3 39.Ra1 Rb2 40.Ra4 b5 41.Ra7 Kf6 42.Rh7 Bd4-+) 0–1. Chen,Rick – Liu,Michael, California State–ch, 2003. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Ba3 g6)

    6.Nf3 Bg7 7.Bd3 Nf6 8.h3 0-0 9.0-0 Nc6 10.c3 Nd7 11.Nbd2 a6 12.Re1 b5 13.e5 (13.Qe2 Qc7+=) 13...de5-/+ 14.d5 Nb6 15.dc6 Qd3 16.Be7 Re8 17.Ne5 Qf5 (17...Be5!? 18.Re5 Qc3-/+) 18.Ng4 (18.Ndf3 Na4 19.Ra4 ba4+= (worse is 19...Re7 20.Qd8 Bf8 21.Rae4+/-)) 18...Be6 19.Re5 (19.Bf6 Qf4 20.Bg7 Kg7+=) 19...Qf4 (19...Be5?! 20.Nh6 Kg7 21.Nf5 Bf5 22.Nf3 Bc3 23.Bc5+=) 20.Bg5 Bg4 (20...Be5? 21.Bf4 Bf4 22.Nf6 Kf8 23.Ne8 Ke8 24.Nb3+-) 21.Re8 Re8 22.Bf4 (22.Qg4!? Qg4 23.hg4-/+) 22...Bd1-+ 23.Rd1 Nd5 (23...Bc3 24.c7 Nc8 25.Ne4 Re4 26.Rd8 Kg7 27.Rc8+-) 24.Bd6 Nc3 (24...Bc3?! 25.Nb1 Re1 26.Re1 Be1 27.c7+=) 25.Rf1 a5 26.Nb3 (26.c7!?-+) 26...a4 27.Na5 Nd5 (better is 27...Bd4!? 28.Bb4 Ne4-+) 28.Rd1-/+ Nc3 29.Rd3 Ne2 30.Kh2 Nd4 31.c7-/+ Ne6 32.Nc6 Bf6 33.Be7 Bb2 34.Bd8= Nc7 35.Bc7 a3 36.Nb4 Re4 37.Na2 Re2 38.Kg3 Kg7? 39.Kf3 Re1 40.Bd6+- Ra1 41.Ra3 Kf6 42.Ra6 Kg7 43.Nb4 Rd1 44.Ke2 Rg1 45.Nd3 Bf6 46.g3 g5 47.Bf8! Kf8 48.Rf6 Rh1 49.Rf5 h6 50.Rb5 Rh3 51.Rb7 f6 52.Nc5 Rh1 53.Ne6 Ke8 54.Ng7 Kf8 55.g4 1–0. Dimitrov,Pavel (2310) – Debashis,Das (2480), Golden Sands BUL, 2nd Grand Europe Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.f4 Bg7 7.Nf3 Nc6 8.c3 Nh6 9.Bc4 Qc7 10.Qe2 0-0 11.0-0 Bd7 12.h3 Rac8 (12...Rfc8 13.Bd3-/+) 13.Bd3=+ Rfe8 (13...a6 14.Re1=+) 14.g4 Kh8 15.g5 Ng8 16.Kg2 h5 (better 16...a6!?=+) 17.f5+= e6? (better 17...e5+=) 18.fg6+- fg6 19.Nh4 Threatening mate: Nxg6 19...Nge7 20.Ng6! Ng6 (20...Kg8 21.Qh5 b5+-) 21.Qh5 A double attack 21...Kg8 22.Qg6 Rf8 (22...Ne7 23.Qf7 Kh8 24.Rf4+-) 23.e5 Rf1 24.Bd6 (better 24.Kf1 Rf8 25.Ke1 Rf5 26.Bd6 Ne5 27.Be5 Re5 28.de5 Qe5 29.Kd1 Qg3+-) 24...Ne7 (24...Qd6 25.ed6 Rf7+-) 25.Qh7 (25.Bc7 Ng6 26.Bf1 Rc7 27.Ra7 Bc6 28.Kg1 Bf8=; 25.Kf1?! Ng6 26.Bc7 Nf4+=) 25...Kf8 26.Bc7 Rf7 (26...Rb1 27.Rb1 Rc7 28.Rf1 Nf5 29.d5 Be5 30.Bf5 ef5 31.Rf5 Bf5 32.Qf5 Ke8 33.g6+-) 27.Bd6 (better 27.g6 Bc6 28.Kg1 Rf3+-) 27...Bc6 (27...Be5 28.Qh6 Bg7+-) 28.Kg1 Be5 29.Qh6 Bg7 30.Qe6 (30.Qe6 Be8 31.Qc8+-) 1–0. Tuma,Ji (2270) – Steiner,Juraj (1950), 17th Prague Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.f4 Bg7 7.Nf3 e6 8.Bd3 Ne7 9.c3 0-0 10.Nbd2 Nbc6 11.e5 de5 12.fe5 Re8 13.Ne4 b6 14.0-0 Nd5 15.Qd2 Bb7 16.Nd6 Bc8? (better is 16...Re7!?+/-) 17.Bb5 Bd7 18.Ne8 Qe8 19.Bc6 Bc6 20.c4 Nc7 21.Bd6 Qd8 22.Ng5 Bh6 23.h4 Be8? (23...Ne8!? 24.Qf2 Nd6 25.ed6 f5 26.Ne6 Qd6+/-) 24.Qf2 Bg5 25.hg5 b5 26.c5 (26.Qf6!? Qd7 27.Qf3 bc4+-) 26...Nd5 27.Ra3 (27.Qh4!? h5 28.Kf2+-) 27...Qg5+/- 28.c6 a5 29.c7 a4 30.Rf3 f5? 31.ef6+- Kf7 32.Bf4 Qg4 33.Rh3 h5 34.Be5 Bd7 35.Qd2 Rh8 36.Qd3 h4+/- 37.Rc1 Bc8? 38.Re1?? Bd7 39.Re4 Qg5 40.Kh2 Bc6 41.c8Q Rc8+= 42.Reh4 Nf6 43.Qf1 Qg2 44.Qg2 Bg2 45.Kg2 Rc2 46.Kf1 (46.Kf1 Nh5 47.Ra3+/-) 1–0. Karasz,Sandor – Toth,Jozsef (2065), HUN–chT2 Breyer, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.f4 Bh6 7.Qf3 Nf6 8.Bd3 0-0 9.h3 d5 10.e5 Ne4 11.Ne2 f6 12.Be4 de4 13.Qe4 fe5 14.0-0 (better is 14.fe5!? Nc6 15.c4=) 14...ef4-/+ 15.Nbc3 Nc6 16.d5 Bf5 17.Qa4 f3! 18.Rf3 (18.Rf3 Ne5; 18.gf3 Bh3) 18...Ne5 19.Rff1 Be3 20.Kh1 Rc8 21.Qh4 g5 (better is 21...Rf7!?-/+) 22.Qg3= Nc4 23.Rf3 Na3 24.Ra3 (worse is 24.Re3 Nc2 25.Ra7 Ne3 26.Qg5 Bg6 27.Qe3 Qc7-/+) 24...Bc5 25.Qg5 Bg6 26.Rb3 Rf3 27.gf3 Qd7 28.Qg4 Qg4 29.hg4 (worse is 29.fg4 b6-/+) 29...b6 30.Rb2 Bd6 31.Nb5 Be5 32.Ra2 (better is 32.c3!? a5 33.Nbd4=) 32...a5-/+ 33.Ned4 Rc5 34.c4 Rc4 35.Nc6 Bf6 36.Re2? (better is 36.Nc7-/+) 36...Rc1-+ 37.Kg2 Bd3 (37...Bd3 38.Re6 Bb5 39.Ne7 Be7 40.Re7 Rd1-+) 0–1. Gietl,Thomas (2300) – Ginsburg,Gennadij (2485), Boeblingen op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    6.c3 Bg7

    7.Bd3 Nf6 8.Ne2 0-0 9.0-0 Nc6 10.Nd2 h5 (10...Rb8 11.c4+=) 11.h3 Bh6 (11...a5 12.Ra2+=) 12.f4 (12.Bc1 a6+=) 12...Kg7 (12...a6 13.f5=) 13.Nf3 Rh8 (13...d5 14.e5 Ne8 15.Qb1=) 14.Qc2 e5 (14...Nd7 15.d5 Na5 16.c4+=) 15.fe5 de5 16.d5 Bh3?? 17.gh3+- Qc8? 18.Kg2 Ng4 19.hg4 Be3 20.Nh2 hg4 21.Rh1 Qd8 22.Ng4 Qg5 23.Kf3 f5 24.ef5 gf5 25.Bf5 e4 26.Qe4 Rae8 27.Be6 Ref8 28.Bf8 Rf8 29.Kg3 (29.Kg3 Bf2 30.Kg2+-) 1–0. Frink,Ferenc (2240) – Chladny,Roman (2165), SVK–chT1E, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6)

    7.f4 Nf6 8.Bd3 0-0 9.Nf3 Re8 10.0-0 d5 11.e5 Ne4 12.Qe1 (12.Qb3 Nc6=+) 12...f5 (12...Bf5 13.Ng5 Ng5 14.Bf5 gf5 15.fg5=+) 13.ef6 (13.c4!?=) 13...ef6-/+ 14.Qd1 Nc6 15.Qb3 Kh8 (15...Na5 16.Qa2-/+) 16.Nbd2 (16.Re1 Bh6 17.Bc1 Qd6-/+) 16...b6 (16...Bf5 17.Rfd1-/+) 17.Rfe1 Na5 18.Qc2 Nd2 (18...f5 19.Nb3 Nc4 20.Ne5-/+) 19.Nd2 Bb7 (19...f5!?=+) 20.f5= g5 21.Re6 Bc8 (21...Qd7 22.Rae1+=) 22.Rd6 Qc7 23.Rd5 Bb7 24.Rd6 Rac8 25.c4 Bf8 26.Rf6 (26.Re6 Qf4 27.Bb2 Re6 28.fe6 Qe3 29.Kh1=+) 26...Ba3-+ 27.Qc3 Qg7 28.Re6 (28.Rb6 ab6 29.Ra3-+) 28...Re6 29.fe6 (29.Ra3 Rd6 30.d5 Qc3 31.Rc3 Bd5 32.g3-+) 29...Bc5! 30.Kh1 (30.dc5 Rc6 Double attack (30...Qc3 Pinning; 30...Qc3 Deflection; 30...Rc6 Decoy)) 30...Bd4 31.Qc2 Ba1 32.Bf5 (32.Qd1 Bc3 33.Nf1 Rc6-+) 32...Qc3 33.Qb1 (33.Bh7 Rc4 34.e7 Bc6 35.Qc3 Rc3-+) 33...Re8 (33...Bg2!? 34.Kg2 Qd2 35.Kh1-+) 34.Nf1 (34.Qf1 Bb2 35.Qf2 Ba3-+) 34...Qb2 35.Qb2 Bb2 36.Ne3 Bd4 37.Nd5 Nc4 38.Nc7 Re7 39.Nb5 Bf6 (39...Be5 40.Na7 Ne3 41.Bh3-+) 40.Na7 Ne3 41.Bd3 Bg2 (41...Re6 42.Kg1 Ng4 43.Kf1 Bd4 44.Be2 Ba6 45.Nb5 Bb5 46.Ke1 Re2 47.Kd1 Be3 48.h3 Nf2) 42.Kg1 Ra7 43.Kf2 Bd4 44.Be4 Be4 (44...Ra2 45.Bc2 Rc2 46.Kg3 Be5) 45.Ke1 (45.h4 Ra2 46.Kg1 Be5 47.hg5 Bh2) 0–1. Martinez,Jorge Alexander – Ruiz C,Joshua D, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.d4 g6 6.c3 Bg7)

    5.Nf3 e6

    6.Nc3 a6 7.e5 (7.Bd3 Nc6+=) 7...d5 (7...Nc6!?=) 8.Bf8+= Kf8 9.Nb5 (9.Bd3 Nc6+=) 9...Nc6+= 10.Nd6?? (better 10.Bd3+=) 10...Ne5!-/+ 11.Ne5 Qd6 12.Nf3 e5 13.Be2 Nf6 14.0-0 Bd7 (14...d4!? 15.Bc4 e4 16.Ng5-+) 15.d4-/+ e4 16.Ne5 b5 17.f3 Ke7 18.fe4 de4 19.c4 Rhd8 20.c5 Qd5 21.Rc1? (better 21.Qd2-/+) 21...Be8-+ 22.c6 (22.Nf3 a5 (22...ef3?! 23.Bf3 Qd7 24.Ba8 Ra8 25.Qd3-+) 23.Qe1 Ra6-+) 22...Qd4 23.Qd4 Rd4 24.c7 (24.Ng4 Nd5 25.Kf2 Kd6-+) 24...Rc8 25.Rf6 (25.Bg4 Ng4 26.Ng4 f6-+) 25...gf6 26.Bg4 Rd7 (26...fe5 27.Bc8 Rc4 28.Rc4 bc4 29.Ba6=) 27.Nc6 (27.Nd7 Bd7 28.Bh5 a5-+) 27...Kd6 28.Bd7 Bd7 (28...Kd7?! 29.Nb8 Kd6 30.Na6-+) 29.Nd8 (29.Nb4 Rc7 30.Rd1 Ke6 31.Na6 Rc4-+) 29...Be6 30.Nb7 (30.Rc6 Ke5 31.Rc5 Bd5 32.Nc6 Kd6 33.Rd5 Kc6-+) 30...Ke7 31.Kf2 (31.Rc2 b4 32.Na5 b3-+) 31...Bc4 (better 31...Bd5 32.Nd8 Kd6 33.Ra1 Rc7 34.Ra6 Kc5 35.Ke3-+) 32.Nc5 Rc7 33.Na6 (33.Ne4 a5-+) 33...Ra7 34.Nb4 Ra3 35.Rb1 (35.Rd1 Ke6-+) 35...Kd6 36.Rb2 (36.Kg1-+) 36...e3 37.Kf3 e2 38.Kf2 Ra1 39.Nc2 (39.Re2 Be2 40.Ke2-+) 39…Rf1 (39...Rf1 40.Ke3 Kc5-+) 0–1. Orube Bona,A (1730) – Darrigues,A (1995), 33rd Open, Donostia ESP, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6)

    6.Nc3 Be7 7.d4 Nh6 8.Bb5 Bd7 9.0-0 Bb5 10.Nb5 0-0 11.Bb4 (11.d5 a6 12.Bc1 Qd7=+) 11...a6 12.d5 e5 13.Qd3 f5 14.Ne5 (14.c4 Nd7 15.Nc3 Qc7=+) 14...de5-/+ (14...ab5 15.Ra8 de5 16.d6+-) 15.d6 Bf6 (15...ab5?? 16.de7 Qe7 17.Be7+-) 16.Nc7 Nc6 17.Bc5 (17.Na8 Qa8 18.Rfb1 Nf7-/+) 17...fe4 18.Qd5 Kh8 19.Na8 Qa8 20.d7 Rg8 21.Rfd1 a5 22.Bb6 (22.Qe4 Rd8 23.Be3 Ng8=) 22...a4 (22...Bd8 23.Bc5=+) 23.Ra3 (23.Qe4!? Qa6 24.Be3=) 23...Qa6=+ 24.Bc7 (24.Be3!? Be7 25.Raa1-/+) 24...Qe2-/+ 25.Rg3? (better 25.Qd2 Qc4 26.Qd5 Qc2 27.Ra2-/+) 25...Nd4 26.Rf1 Qc2 27.d8Q Ne2 (27...Rd8?! 28.Bd8 Ne2 29.Kh1 Ng3 30.hg3-+) 28.Kh1 Bd8 (28...Rd8?! 29.Bd8 Ng3 30.hg3-+) 29.Bd8 Ng3 30.fg3 (30.hg3 Qd3 31.Rd1 Qd5 32.Rd5 a3-+) 30...Qd3 31.Qd3 ed3 32.Ba5 e4 33.Bd2 a3 34.Ra1 Ra8 35.Ra2 Nf5 36.g4 (36.Bb4 e3 37.Ra1 d2-+) 36...e3 37.gf5 (37.Bc3-+) 37...ed2 38.Rd2 a2 (38...a2 39.g4 a1Q 40.Kg2 Qe1 41.h3 Qd2 42.Kg3 Qe3 43.Kh4 d2 44.f6 Qf2 45.Kh5 Ra5 46.g5 d1Q) 0-1. Aflalo,S (2155) - Abergel,T (2460), Mahfoud Boudiba Mem Inv, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 d6)

    6.Nc3 Nf6 7.Bb5 Bd7 8.0-0+=.

    6.d4 Be7 7.Bd3 Nf6 8.0-0 0-0 9.c4 b6 (9...Nc6 10.e5 de5 11.de5=+) 10.Qe2 (better 10.e5 Ne8 11.Be4+-) 10...Bb7=+ 11.Nc3 a6 12.Rfd1 Re8 13.e5 de5 14.de5 Nfd7 15.Ne4 Ba3 16.Ra3 Ra7 (better 16...Qe7!? 17.Nd6 Rf8=) 17.Nd6+- Bf3 18.Qf3 Rf8?? (18...Ne5 19.Bh7! Kh7 20.Qh5 Kg8 21.Ne8 Rd7 22.Rd7 Qd7 23.Ng7 Qd2=+) 19.Bh7+- Kh8 20.Qh5 Nf6 21.ef6 Qf6 (21...Re8 22.Be4 Kg8 23.Qh7 Kf8 24.Qg7) 22.Bg6 (22.Bg6 Kg8 23.Qh7) 1–0. Rocha,Sergio (2285) – Watanabe,Akira, Wch U20 Mamaia, 1991. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 d6)

    6.d4 Nf6 7.Bd3 Be7 8.c3 0-0 9.0-0 a6 10.Nbd2 b5 (10...Nc6 11.Nc4=) 11.Qc2+= Bb7 12.Rfe1 Nbd7 13.c4 bc4 14.Nc4 Rc8 15.Nfd2 (15.Rab1 Be4 16.Re4 Ne4 17.Be4 d5 18.Be7 Qe7 19.Bh7 Kh8-/+) 15...d5= 16.ed5 Ba3 17.de6 (17.Ra3? ed5 18.Qb2 dc4 19.Nc4 Rb8-+) 17...fe6 18.Ra3 Nb6 19.Qb1 (19.Qb2 Ng4 20.Bh7 Kh7 21.Nb6 Rf2=) 19...Nc4 20.Nc4 Bd5 21.Ne5 Rb8 22.Qc2 Qd6 23.Qa4 (23.Qc5 Qb6+/-) 23...Rb6 24.Qa5 (24.Ba6? Ra8 25.Rc1 g6-+ (25...Rba6?! 26.Qa6 Qf8 27.Qa8 Ba8 28.Ra7-/+)) 24...Rfb8 25.h3 (25.Ba6? Ra8 26.Rea1 Ne4-+) 25...Ba8? (better 25...Nh5+=) 26.Nc4+- Qd4 27.Nb6 Rb6 28.Ba6 Nd5?? (better 28...Ne4 29.Rf3 Bd5+-) 29.Rc1 h6 (29...Kf7 30.Rf3 Ke7 31.Bc4+-) 30.Rd3 (better 30.Rc8 Kf7 31.Ra8+-) 30...Qb4 31.Qb4 Nb4 32.Rc8 Kh7 33.Ra8 Nd3 (33...Na6 34.Rd7 e5+-) 34.Bd3 g6 35.Ra7 Kg8 1-0. Bubuz (2625) - Daddylonglegs (1865), Rated Blitz game, lichess.org, 2015. (=1.e4 B50: Sicilian: 2...d6, Miscellaneous 1...c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 e6)

    5.Nf3 Nf6

    6.c3 Nc6 (6...g6 7.Bb5 Bd7 8.c4-/+) 7.Qc2 g6 (7...d5 8.e5 Nh5 9.Bb5=+) 8.Bc4 (8.d4 Bg7=+) 8...Bg7 (8...a6 9.0-0-/+) 9.d4 (9.0-0 a6-/+) 9...0-0 (9...Rb8 10.d5 Na5 11.Be2=+) 10.0-0 d5 (10...Rb8 11.d5 Ne5 12.Ne5 de5 13.Bd3=+) 11.ed5 Nd5 12.Qa2 (12.Re1 Bf5 13.Qb2 Nc7-/+) 12...Nb6 (12...Be6 13.Ng5 Qd7 14.Re1=+) 13.Bd3 (13.Bb3 Bf6-/+) 13...Be6 (13...a5-/+) 14.Qe2 (14.Qb2 Qd5-/+) 14...Re8 (14...Nd5-+) 15.Ng5? (better 15.Nbd2!?-/+) 15...Bd5-+ 16.f4? (16.Nd2 e5 17.Qg4 ed4 18.cd4 Nd4-+) 16...e5! 17.de5 (17.de5 f6 Double attack (17...f6 Decoy); 17.fe5 f6 Double attack (17...Qg5 Discovered attack; 17...Qg5 Deflection; 17...f6 Decoy)) 17...Ne5! 18.Ne4 (18.fe5 Re5 Double attack (18...Qg5 Deflection; 18...f6 Decoy; 18...Qg5 Overloading)) 18...Nd3 19.Qd3 0–1. Jaen,Miguel – Contreras,H (2320), Abel Cardona Open, Cali COL (4), 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 Nf6)

    6.Nc3 a6 7.Be2 e5 8.0-0 Be7 9.d4 ed4 10.Nd5 Nd5 11.ed5 0-0 12.Nd4 Nd7 13.Re1 Nc5 14.Bb4 Bf6 15.Bb5 Bd7 16.Bd7 Qd7 (worse 16...Nd7 17.Bd6 Re8 18.Re8 Qe8 19.Rb1=) 17.c3 Rfe8 18.Qf3 Re1 19.Re1 a5 20.Bc5 dc5 21.Nb3 Re8 22.Re8 Qe8 23.g3 Qe1 24.Kg2 Qc3 (24...Bc3?! 25.d6+=) 25.d6? (better 25.Qc3!? Bc3 26.Nc5-+) 25...Qf3-+ 26.Kf3 b6 27.Ke4 c4 28.Nc1 b5 29.Kd5 c3 30.Kc5 b4 0–1. Lindsey,Craig – Wozniak,Zbigniew (1770), Swiss–506.3.06, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 Nc6 7.d4 d5 8.ed5 Nd5 9.Nd5 Qd5 10.Be2=+.

    6.Nc3 Nc6 7.d4 e6 8.Bd3 a6 9.0-0 Be7 10.Qe2 (10.e5 de5 11.de5 Nd7 12.Be7 Qe7=) 10...0-0=+ 11.Rfd1 Qc7 (11...Nh5=+) 12.h3 (12.e5 Ne8 13.Ne4 Bd7=) 12...g6 (12...Nd4!? 13.Nd4 Qc3-/+) 13.Bb2 (13.e5 Ne8 14.Qe1 f6=) 13...Nh5 (13...d5 14.Nb5 Qb8 15.Nc3=+) 14.Qe3 Re8 (14...Nb4 15.Rdb1=+) 15.d5= Nb4? (better 15...Na5!?=) 16.Nb5!+- ab5 (16...Qb8!? 17.Qd4 Bf6 18.Qb4 ab5 19.Ra8 Qa8 20.Bf6 Nf6 21.Qd6 Qa6+-) 17.Ra8+- Nd3 18.Qd3 e5 (18...Nf4 19.Qb5 Rf8 20.c4+-) 19.Qb5 Rf8 20.Qb3 f5 21.Ne5! fe4 (21...de5 22.d6 Double attack (22.Qc3 Decoy; 22.d6 Passed pawn)) 22.Ra4 (22.Re1!? Qc5 23.Ng4 Bg4 24.Rf8 Kf8 25.hg4 Nf6 26.Bf6 Bf6 27.Re4 b5+-) 22…Bh4+- (22...Bh4 23.g3 Bf6 24.Re4 Bf5+-) 0–1. Alves,Gabriel Felipe (1605) – Caetano,R W Da Cost (1780), FENAJ – Championship Brasileiro Infanto, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 Nc6 7.d4 e6 8.Bd3 Be7 9.0-0 0-0 10.Qe2 Bd7 11.Rab1 Qc8 12.Nb5 Qb8 13.c4 a6 14.Nc3 Re8 15.Bc2 (15.e5 de5 16.Be7 A) worse 16...Ne7 17.de5 (worse 17.Qe5 Bc6-/+; worse 17.Ne5 Bc6=+) 17...Nh5 18.Ng5+-; B) 16...Re7 17.de5 Ng4=) 15...Qc7 16.Na4 Rab8 (16...b5!? 17.e5 de5 18.Be7 Re7 (18...ba4?! 19.Bf6 gf6 20.de5 Ne5 21.Ne5 fe5 22.Qg4 Kh8 23.Qh4=) 19.de5 Ne5 (19...ba4?! 20.ef6 gf6 21.Qe4=) 20.Ne5 ba4-/+) 17.Nb6= h6 (17...e5!? 18.d5 Na7=) 18.Qd3+= e5 19.Nd5 (worse 19.Nd7 Nd7 20.d5 Na5=+) 19...Qd8? (19...Nd5 20.ed5 e4 21.Qe4 f5=) 20.Ne7+- Ne7 21.Bd6 (21.de5?! de5 22.Bd6 Rc8 23.Be5 Bc6+=) 21...Bc6 22.Be5 Be4 23.Qe2 Bf3 24.Qf3 (worse 24.gf3 Nc6 25.Qe3 Nd7-/+) 24...Nc6 25.Bb8 Qb8 26.Rfd1 Qd6 27.c5 (worse 27.Rb7 Nd4 28.Qd3 Ne2 29.Kh1 Qc5+-) 27...Qe7 28.g3 Nb4?? (28...Rd8 29.Qf4+-) 29.Bb3 (better 29.Rb4 b5 30.Ra1+-) 29...Rd8 (29...a5 30.Rbc1+-) 30.Re1 Qc7 31.Rbd1 (better 31.Bf7 Qf7 32.Rb4+-) 31...b5 32.cb6! Qb6 33.d5 Rd6 34.Re3 Qb5 35.Rc3 Qb7 36.Qf5 g6 37.Qf4 Nbd5? (37...Qb6 38.Qh6 Qf2 39.Kf2 Ng4 40.Ke2 Nh6+-) 38.Qd6 (38.Qh6 Re6 39.Bd5 Nd5+-) 38...Nc3 39.Qf6 Nd1 40.Qg6 (40.Bd1?! Qb5+-) 40...Kf8 41.Qh6 Ke7 42.Qg5 Kf8 43.Qd8 Kg7 44.Qd4 f6 45.Qg4 Kh6 1–0. Hartnack,Robert – Cas, CIS Casual email, 1992. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3 d6 5.Nc3 Nf6 6.Ba3 Nc6)

    6.Nc3 Nc6 7.d4 e6 8.d5 Ne5=+.

    6.Nc3 g6 7.Rb1 Bg7 8.Bc4 0-0 9.0-0 Nc6 10.Re1 a6 11.Nd5 Nd7 12.c3 b5 13.Ba2 e6 14.Ne3 Nc5 15.Bc5 (better 15.Qc2!?=+) 15...dc5-+ 16.d4 (16.Qe2-+) 16...cd4 17.cd4 Nd4 18.Nd4 (18.e5 Nf3 19.Qf3 Ra7-+) 18...Qd4 (18...Bd4?! 19.Bd5 ed5 20.Qd4 de4 21.Nd5-+) 19.Qf3 (19.Qd4 Bd4 20.Red1 Bg7-+) 19...Bb7 20.Nc2 (20.Nc4 Rad8 21.h3 Bc6-+) 20...Qc3 21.Qe2 Rac8 22.Nb4 (22.Na1 Rfd8 23.Nb3 Qc2-+) 22...Rfd8 23.h3 (23.Rb3 Qd2 24.Rbb1 Bf8 25.Na6 Ba6-+) 23...Rd2 24.Qg4 Qd4 25.Rf1 (25.Red1 Qf2 26.Kh1 Ra2 27.Na2 Qa2-+) 25...h5 26.Qf4 (26.Qg5 Rc5 27.Bd5 ed5 (27...Rd5?! 28.ed5 Bf6 29.Qe3-+) 28.Qd8 Bf8 29.Nd5 Bd5 30.ed5 Rd5-+) 26...Qe4 (26...Bf8!? 27.Nd5 ed5 28.Bb3-+) 27.Qe4 Be4 28.Rbc1 (28.Rbe1 Bf5 29.Bb1 a5 30.Bf5 gf5-+) 28...Rc1 29.Rc1 a5 (29...a5 30.Bb1 Bb1 31.Rb1 ab4 32.Rb4 Rb2 33.Rb2 Bb2-+) 0–1. Alsulaymi,Abdullah M (1830) – Teterev,V (2485), World Blitz, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 g6 7.Bb5 Bd7 8.Qe2 (8.Bd7 Nbd7 9.Qb1 b6=+) 8...Nc6 9.e5 (9.Bb2 Bg7=+) 9...de5 10.Ne5 Ne5 11.Qe5 Bg7 12.0-0 Bb5 13.Rfe1 0-0 14.Be7 Ng4 (14...Qd2 15.Bf8 Re8 16.Be7-/+) 15.Qb5=+ Qd2 16.Ne4 Qh6 (16...Qc2 17.Rac1 Qb2 18.Qb2 Bb2 19.Rb1=) 17.h3=+ Ba1 18.Ra1 (18.Bf8 A) 18...Kf8 19.hg4 f5 20.Qc5 (20.Ra1?! fe4 21.Qb7 Rd8+-) 20...Kg7 21.Nd6+- (21.Ra1 fe4 22.g5 Qh4+-; 21.gf5 gf5 22.Nd6 Qf6+-); B) 18...Qf8 19.Ra1 Qe7=+) 18...Qf4 (18...Rfe8!? 19.Qb7 Qf4 20.hg4 Rab8 21.Qb8 Rb8-+) 19.hg4 Qe4 20.Bf8 Rf8 21.Ra7 Qc2 22.f3 Qc1 23.Kf2 (23.Kh2 Qc7 24.Kh3 Rb8=+) 23...Qd2 (23...Rd8 24.Qe5 Qc6 25.Qe7 Qb6 26.Kg3-/+) 24.Kg3 Qe1 (24...Qd6 25.Kh3-/+) 25.Kh3=+ h6 (25...Qh1 26.Kg3=+) 26.Qb7= Qh1 (26...Qe5 27.Qe7 Qe7 28.Re7=) 27.Kg3 g5 28.Kf2 h5 29.gh5 Qh5 30.Ra8 (30.Qe4 Rd8=) 30...Qh4 31.Kg1 (31.Ke2 Qg3 32.Rf8 Kf8 33.Qb4 Kg7 34.Qb2 Kg6=) 31...Qe1 32.Kh2 Qe5 33.Kh1 (33.g3 Ra8 34.Qa8 Kg7=) 33...Ra8 34.Qa8 Kh7 (34...Kg7 35.Qc6=+) 35.Qc8 (35.g4 Kg7=) 35...Kg6 (35...f5 36.g4=+) 36.Qc6 (better 36.Qg8 Qg7 37.Qe8=) 36...Kh5?? (better 36...Kf5=) 37.g4+- Kh4 38.Qh6 Kg3 39.Qh2 Kf3 40.Qe5 1–0. Mantyniemi,Jaakko – Salmi,Pertti, FIN–chT, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 g6 7.Bc4 Bg7 8.0-0 0-0 9.d4 Nfd7 10.Re1 (10.Qd2 Nb6 11.Be2 Bg4=) 10...a6 (10...Nb6 11.Be2=+) 11.e5 (11.Bb2 Nc6=) 11...Qc7 (11...de5 12.Nd5 Nc6 13.Ne5 A) worse 13...Nce5 A1) 14.Ne7?! Kh8 15.Bd5 Qc7 16.de5 Ne5= (worse 16...Be5 17.Rb1 Bh2 18.Kh1+-); A2) 14.de5 Ne5 15.Be7+- (worse 15.Ne7 Kh8 16.Bd5 Qc7=+); B) 13...Be5?! 14.de5 Nb6 15.Bb3=+; C) 13...Nde5 14.de5 C1) 14...Be5? 15.Re5 e6 16.Ne7 (16.Bf8?! ed5 17.Rd5 Qf8+-) 16...Ne7 17.Qd8 Rd8 18.Be7+-; C2) 14...Be6=+) 12.Qd3= de5?? (12...Nb6 13.Bb3 Nc6 14.ed6 ed6 15.Rad1=) 13.de5 (better 13.Nd5 Qd8 14.Be7+-) 13...Ne5?? (13...Nb6 14.Nd5 Nd5 (worse 14...Qc4 15.Nb6 Qd3 16.cd3+-) 15.Bd5 Bg4=+) 14.Ne5+- Be5?? (14...Be6 15.Nd5 Bd5 16.Qd5 e6+-) 15.Nd5 Qd7 (15...Rd8 16.Nc7 Rd3 17.cd3 Ba1 18.Na8 Bf6+-) 16.Re5 Nc6 17.Re7 Ne7 18.Nf6 Kg7 19.Nd7 Bd7 20.Qd7 (better 20.Qd4 f6 21.Qd7 Rfe8 22.Re1 Rf8 23.Re7 Rf7 24.Rf7 Kh6 25.Qh3 Kg5 26.Bc1) 20...Rfc8 21.Bf7 (21.Bb2 Kf8 22.Re1 Rc7 23.Qc7 Re8 24.Qe5 Rd8 25.Qe7 Kg8 26.Qd8) 21...Kf7 22.Qe7 Kg8 23.Bb2 (23.Bb2 Rc7 24.Qc7 Kf8 25.Re1 Rd8 26.Qg7) 1–0. Lang,Gusztav Jr – Solyomvari,Roxanne (1985), Szombathely op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 g6 7.Bc4 Bg7 8.0-0 0-0 Black is behind in development. 9.d4 (9.e5 Ne8=) 9...Bg4 10.Qd3 Nc6 White has a very active position 11.Rfb1 (11.Rab1!?= is worth looking at) 11...Bf3=+ 12.gf3 White has the pair of bishops 12...Nh5 13.Ne2 (13.Rb7? fails to 13...Nf4 14.Qd2 Qc8 15.Qf4 Qb7-/+) 13...e5 Black threatens to win material: e5xd4. (13...Qc7!?=+ must definitely be considered) 14.Rb7 Nd4 (14...Na5 15.Rb4=) 15.Bc1 (15.Nd4 Nf4 16.Qf1 ed4-/+) 15...a5 (15...Ne2 16.Qe2 a5 17.c3=) 16.Rab1 (16.Nd4 ed4 17.Bd2 Qh4=) 16...Rc8 (16...Ne2 17.Qe2 Nf4 18.Bf4 ef4 19.Bd5=+) 17.Kg2 White king safety dropped (17.Nd4 ed4 18.Qb3 Rc7=) 17...Qf6 (17...Ne2!? is worthy of consideration 18.Qe2 Nf4 19.Bf4 ef4=+) 18.Nd4= ed4 19.R1b5 Nf4 20.Bf4 Qf4 21.Ra5 Opposite coloured bishops appeared. 21...Be5 22.Raa7?? (better 22.Qb3= the only rescuing move) 22...d5-+ 23.Bd5 Rc3 24.Bf7?? shortens the misery for White (24.Rf7 Rf7 25.Bf7 Kh8 26.h4-+) 24...Kh8 (24...Rf7 25.Rf7 Qh2 26.Kf1 Qh1 27.Ke2=+) 25.Qd1 (25.h3 desperation 25...Rd3 26.cd3-+) 25...Qh2 26.Kf1 Qh1 27.Ke2 Qf3 28.Ke1 Qh1 29.Ke2 (29.Kd2 hardly improves anything 29...Bf4 30.Ke2 Qe4 31.Kf1 Qh1 32.Ke2 Qf3 33.Kf1 Qd1 34.Kg2 Rh3 35.Kh3 Qf3 36.Kh4 Qh5) 29...Qf3 (29...Qe4 30.Kf1 Rh3 31.Qg4 Qg4 32.f3 Qf3 33.Ke1 Rh1 34.Kd2 Qd1) 30.Ke1-+ Qh1 Twofold repetition 31.Ke2 Qf3 Draw by threefold repetition (31...Qe4 32.Kf1 Rh3 33.f3 Rf3 34.Qf3 Qf3 35.Kg1 Bg3 36.Rb1 Qf2 37.Kh1 Qh2) 32.Ke1-+ Qe4 (better 32...Re3 keeps an even firmer grip 33.Kd2 Qf2 34.Kc1 Re1-+) 33.Kf1 (33.Qe2 the last chance for counterplay 33...Qh1 34.Qf1-+) 33...Rh3 34.f3 Rf3 35.Qf3 Qf3 36.Ke1 (36.Kg1 doesn't improve anything 36...Bg3 37.Rb6 Qf2 38.Kh1 Qf1) 36...Bg3 37.Kd2 0–1. Frink,Ferenc (2180) – Forgacs,Jozsef (2345), Alfoeld Cup op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 g6 7.Bc4 Bg7 8.0-0 0-0 9.e5 de5 10.Ne5 Qc7 11.Re1+= Nc6 12.Nb5 (12.Nc6 Qc6 13.Bb5 Qb6 14.Be7 Ng4+=) 12...Qb6= 13.Rb1 (better 13.d4 Ne5 14.Bc5=+) 13...a6?? (better 13...Ne5 14.Re5 Ng4-/+) 14.Nd6+- Qb1? (better 14...Qa5 15.Nc6 bc6+-) 15.Qb1 Ne5 16.Re5 ed6 17.Bd6 Ng4 (17...b5 18.Bf8 Bf8 19.Bb3+-) 18.Bf8 (better 18.Re2 Rd8 19.Bf7 Kh8+-) 18...Be5 19.Bc5 (better 19.Ba3!? Bh2 20.Kh1 Be5+-) 19...Bh2 20.Kh1 Bc7? (better 20...Bf4+-) 21.Qb3 Nh6 (21...Kg7 22.Bf7 Bd7+-) 22.Qe3 (22.Qe3 Bd7 23.Qh6+-) 1–0. Hogrel,Nicolas (2000) – Roblette,Yves, Ligue–ch Evry, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 d6 5.Nf3 Nf6)

    6.Nc3 g6 7.d4 Bg7 8.Bd3 0-0 9.0-0 Nc6 10.Bb2 Bd7 11.d5 Nb8 (11...Nb4 12.Nb5-/+) 12.Re1 a6 13.Rb1 Bc8 14.Bc4 Nbd7 15.Ra1 Ng4 16.h3? (16.Nd4 Nge5 17.Be2 Nb6-/+) 16...Nde5?? (better 16...Nf2 17.Qb1 Qb6-+) 17.Ne5 Ne5 18.Bb3 b5 19.f4 Nd7 20.Qc1 Nc5 21.Nb5? (better 21.Nd1-/+) 21...Nb3-+ 22.cb3 Qb6 23.Kh1 Qb5 24.Bg7 Kg7 25.Qc3 Kg8 26.h4 Bg4 27.Qg3 Bd7 28.h5 Rab8 29.hg6 fg6 30.Re3 Rf6 31.f5 Rbf8 32.Qh4 (32.Rf3 R8f7 33.Ra2 Rg7-+) 32...R8f7 (32...gf5 33.e5 de5 34.Re5-+) 33.Rh3 (33.Rg3-+) 33...Rg7 34.Rc1 (34.Rf3 gf5 35.Re1 Rfg6-+) 34...gf5 35.Rg3 Rfg6 36.Rg6 hg6 37.Kg1 Qb3 38.Qf2 (38.Re1 Rh7 39.Qg5 Qb6 40.Qe3 Qe3 41.Re3 Kf7-+) 38...Rh7 (better 38...fe4 39.Rf1-+) 39.Qa7 (39.Rf1 Bb5 40.Rc1 Qd3 (40...fe4?? 41.Rc8 Be8 42.Re8 Kg7 43.Qf8) 41.ef5 gf5 42.Rc8 Kf7-+) 39...Kf7 (39...Qg3 40.Rb1 Bb5 41.ef5-+) 40.Re1 (40.ef5 Qg3 41.Rb1 Rh2 42.fg6 Kg6-+) 40...Qb5 (40...Qg3 41.Re3 Qh2 42.Kf2 Qh4 43.Ke2 Bb5 44.Kf3 Qg4 45.Kf2 Qf4 46.Ke1 Rh1 47.Kd2 Qf2 48.Re2 Qe2 49.Kc3 Rc1 50.Kb4 Qe1 51.Ka3 Qc3 52.Ka2 Bc4) 41.Qf2 Qc5 (41...Ke8 42.Qe3-+) 42.Re3 (42.Qc5 dc5 43.ef5 gf5-+) 42...Qc1 43.Re1 Qh6 44.Kf1 (44.Qg3-+) 44...Bb5 45.Re2 (45.Qe2 Qe3 46.g4 Qf3 47.Kg1 Rh1) 45...Qh1 (45...Qc1 46.Qe1 Rh1 47.Kf2 Qf4) 46.Qg1-+ Be2 47.Kf2 Qg1 48.Kg1 fe4 49.Kf2 Bd3 50.Ke3 0–1. Damen,Jip – Yue,Tim, NED–ch U12 Rijswijk, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Ba3 Nf6)

    4.Ba3 e6

    5.Bb2 Qb6 6.Qc1 (6.Ba3+=) 6...Bc5 (6...Nf6 7.Nc3-/+) 7.Nh3 (7.Bg7!? Bf2 8.Kd1=) 7...Nf6+= 8.Bd3 d6 9.Nc3 Nbd7 10.Na4 Qc7 11.c3 (better is 11.0-0!?+=) 11...a6-/+ 12.0-0 Ba7 13.Ba3 (13.c4!?-/+) 13...b5-+ 14.Nb2 Bb7 15.c4 bc4 (better is 15...Qb6!? 16.Qc3 Rc8-+) 16.Nc4-/+ Nc5 17.Bb1 (better is 17.Bc5!? Bc5 18.Qc2-/+) 17...0-0-+ (17...Nce4? 18.Nd6 Qd6 19.Bd6 Nd6 20.Qc7+-) 18.d3 Rfc8 19.Qg5 (19.Ne3-+) 19...Nce4! 20.de4 Qc4 21.Bb2 (21.Rd1 h6 22.Qg3 Ne4 23.Be4 Qe4-+ (23...Be4?! 24.Bd6 f6 25.Bf4-+)) 21...e5 22.Qh4 (22.Qf5 Qe2 23.Ba3 Be4 24.Be4 Qe4 25.Qf3-+) 22...Bd4 (better is 22...h6-+) 23.Ba2 Qc2 (23...Bb2 24.Bc4 Rc4 25.Rab1 Re4 26.Qg5+=) 24.Bd4 ed4 25.Ng5 Rf8 (25...Rc7 26.Bf7 Rf7-+) 26.Rfc1= Qb2 (26...Qe2 27.Nf7 Bd5 28.Bd5 Nd5 29.Re1=) 27.Qf4 (27.Rcb1 Qc3 28.Nf7 Bd5 29.Bd5 Nd5 30.Nd6 Nf4+=) 27...Rac8 (27...d5!? 28.Rcb1 Qc3=) 28.Rcb1+= Qc3 29.Nf7 Be4? (29...Nd5 30.Qg5 Nb4+=) 30.Nd6+- Bd5 31.Nc8 Ba2 (31...Rc8?? 32.Rc1 Qc1 33.Rc1 Rc1 34.Qc1 Ba2 35.Qc8 Kf7 36.Qa6+-) 32.Ne7 (32.Ra2?! Rc8 33.Ra6 d3+-) 32...Kf7 33.Ra2 (33.Rc1!? Qb2 34.Nf5 Kg6+-) 33...Re8 34.g4 (34.Rd2 Re7 35.Qd4 Qc7+-) 34...Re7 35.Ra6 Re1? (better is 35...Qc8 36.Rd6 Qg4 37.Qg4 Ng4 38.Rd4 h5+-) 36.Re1 Qe1 37.Kg2 d3 (37...Qe7 38.Rd6 h6 39.Qd4 Qb7 40.f3+-) 38.Rd6 (better is 38.Ra7 Kf8 39.Qd6 Kg8 40.Re7 Qe7 41.Qe7+-) 38...Qe2 (38...Qe4 39.Qe4 Ne4 40.Rd3+-) 39.g5 Qe4 40.Qe4 (better is 40.Kg3 Qf4 41.Kf4 Ng8+-) 40...Ne4 41.Rd3 Ng5 42.f3 Ne6 43.Kg3 Kf6 44.Ra3 Nd4 45.Ra6 Kf7 (45...Kf5 46.Ra7 Ne6 47.h4+-) 46.Kf4 Ne6 47.Ke5 Ng5 48.Kf4 (48.Ra3 Kg6+-) 48...Ne6 49.Kg4 Kf6 50.h4 g6 (50...Ke7 51.Kf5 Nd4 52.Ke4+-) 51.f4 h5 (51...h6 52.Kf3 Ke7 53.Ra5+-) 52.Kf3 Kf5 (52...Kf7 53.Ra5+-) 53.Ra5 Kf6 54.Ke4 Ng7 (54...Nd8+-) 55.Ra6 Kf7 (55...Ne6 56.Kd5 Kf5 57.Re6 Kf4 58.Rg6 Kf3 59.Rh6 Kf2 60.Ke4 Ke2 61.Rh5 Kd2 62.Rg5 Kc3 63.h5 Kc4 64.h6 Kb3 65.h7 Kc4 66.h8Q Kb4 67.Qb8 Kc3 68.Rg2 Kc4 69.Rc2) 56.Ke5 Nf5 57.Rf6 Kg7 58.Rf5 gf5 59.Kf5 (59.Kf5 Kf7 60.Kg5+-) 1–0. Atamer,T (1935) – Hatipoglu,M (1805), Turkish Cup, 2015. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 e6)

    5.Bf8 Kf8

    6.d4 Qc7 7.Bd3 d6 8.f4 Bd7 9.Nf3 Ne7 10.0-0 b5 11.Qd2 a5 12.Nc3 Qb7 13.Nb5!+/- Bb5 14.Rfb1 Nbc6 15.Rb5 Qa7 16.c3 f6 17.Rab1 Nd8 18.e5 d5 19.ef6 gf6 20.f5! ef5 21.Qh6 Ke8 22.Qf6 Rf8 23.Qe5 Ndc6 24.Qe2 Qd7 25.Rb7 Qd6 26.R1b6 Kd8 27.Ne5 a4 28.Re7! Ke7 29.Rc6 Qd8 30.Qb2 Rf6 31.Qb7 Ke8 32.Re6! Kf8 33.Rf6 Kg8 34.Bf5 Qf6 35.Qh7 Kf8 36.Nd7 (36.Nd7 Ke8 37.Nf6 Kf8 38.Qg8 Ke7 39.Nd5 Kd6 40.Qe6) 1–0. Curnock,A – Mackenzie,Arthur John, London, 1904.

    6.d4 d6 7.Bd3 Ne7 8.Ne2 e5 9.c3 g6 10.Nd2 Kg7 11.f4 f5 12.0-0 (12.fe5 de5 13.0-0 Nbc6=) 12...Rf8 (12...fe4 13.Ne4 d5 14.fe5 de4 15.Be4-/+) 13.Qb1 (13.fe5 de5 14.ef5 gf5=) 13...Qc7 (13...fe4!? 14.Ne4 d5-/+) 14.ef5 Nf5 15.Nc4 (15.fe5 de5 16.Ne4 Nd7=) 15...Nc6 (better is 15...e4!? 16.Nb6 Qb6 (16...ab6?! 17.Ra8 ed3 18.Qd3-/+) 17.Qb6 ab6 18.Ra8 ed3-+) 16.fe5 de5 17.Nb6 Rb8 18.Nc8 Qc8 19.d5 (19.de5!? Ne5 20.Bf5 Rf5 21.Rf5 Qf5 22.Qf5 gf5 23.Ra7=) 19...Nce7+= 20.Be4? (better is 20.c4!? Qc5 21.Kh1+=) 20...Qc5-+ 21.Kh1 Nd6 (21...Nd5 22.Rd1 Nfe3 23.Bd5 Nd5 24.Qa2 Nc3 25.Nc3 Qc3 26.Qa7-+) 22.Rd1-/+ Nef5 23.Bf3 (23.Bf5!? Rf5 24.Ng3-/+) 23...Rbe8-+ 24.Be4? (better is 24.Re1-+) 24...Ne3 25.Ng3 (25.Qd3 Nd1 26.Rd1 b5-+) 25...Nd1 26.Qd1 Rf4 (26...Qc3!? 27.Ra4-+) 27.Qd3 a6 28.h3 Rc8 29.Qb1 Qc4 30.Bf3 Rf6 31.Bg4 Rc5 32.Be6 Rb5 33.Qc1 Qf4 34.Qa3 Qg3 35.Qd6 Rf2 36.Qe7 Kh6 37.Rg1 Rb1! (37...Rb1 38.Qf8 Rf8 39.Rb1 b5-+) 0–1. Kovacs,Lajos M (2290) – Benedek,Zoltan (2120), Cseppko op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 e6 5.Bf8 Kf8)

    6.Nf3 d5 7.Nc3 de4 8.Ne4 Nf6 9.Bd3 Ne4 10.Be4 Nc6 11.0-0+= f6 12.Qe2 e5 13.Qe3 Nd4 14.Rfb1+/- Nf3 15.Qf3 Rb8 16.Qc3+- b6? 17.Ra7 g6?? 18.Qb4 Ke8 19.Bc6 Bd7 20.Qd6 Kf7 21.Rd7 Qd7 22.Qd7 (22.Qd7 Kf8 23.Bd5 Rb7 24.Qb7 Ke8 25.Ra1 Kd8 26.Ra8) 1–0. pierre – ihyj, internet, 2009.

    6.Nf3 Ne7 7.d4 d5 8.e5 a5 9.Bd3 b6 Black has a new protected passed pawn: a5 10.Nc3 Bd7 (10...Ba6 11.Ng5 Nec6 12.Nh3-/+ (12.Nh7?? Taking that pawn is naive 12...Kg8-+)) 11.0-0 Black has a cramped position (11.Qc1 Qc7 12.Ne2 Qa7+=) 11...Nbc6 12.Nb5 0–1. Payares,Daniel – Cabrera,Javier, VEN–chT Barquisimeto, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 e6 5.Bf8 Kf8)

    6.Nf3 Ne7 7.d4 d5 8.e5 Qc7 9.Bd3 Nbc6 10.0-0 Nb4 Attacks the backward pawn on c2 11.c3 Nd3 12.Qd3 Bd7 13.Rc1 b5 14.Na3 a6 15.Nd2 f5 16.ef6 gf6 17.Nb3 Ng6 18.Nc5 Kf7 19.Qe3 Rhg8 20.Re1 Nh4 21.g3 Nf5 22.Qe2 Rge8 23.Qh5 Kg8 24.g4 Ng7 25.Qh6 e5 26.Qf6 Bg4 27.Re5 Re5 28.Qe5 Qf7 29.Qg3 Qf5 30.Nb5 Rf8? 31.Nd6+- Qh5 32.Ra6 Bh3 33.Ra1 h6 34.Re1?? Rf3-+ 35.Nf5 Rg3 36.Ng3 Qf3 (36...Qf3 37.Re8 Ne8 38.c4 Qg2) 0–1. Burnham,Frank D (1785) – Millward,Richard, London ENG, 3rd Classic Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 e6 5.Bf8 Kf8)

    4.Ba3 Nf6

    5.Nc3 Nc6 6.Bc4!? =.

    5.Nc3 Nc6 6.d4 e5 7.de5 Ba3=+ 8.ef6? Bb4-+ 9.Qd3 Qf6 10.Nf3?? Bc3 (10...Bc3 11.Kd1 Ba1-+) 0–1. grashleigh (2180) – flgs (2150), net–chess.com, 2008.

    5.Nc3 Nc6 6.f4 d5-/+ 7.e5 d4 8.Nb5 Nd5 (8...a6 9.ef6 ab5 10.Bb5 gf6 11.Nf3+=) 9.Qf3+= Ndb4 (better is 9...e6!?+=) 10.Bb4+= Nb4 11.Ra7 Ra7 12.Na7 Nc2 13.Kf2 d3 14.Nc8 Qc8 15.Bd3 Nd4 (better is 15...Qc5!? 16.Kf1 Nb4+=) 16.Qe4 Qc5 (16...Nc6 17.Nf3+/-) 17.Ne2 (17.Nf3 Nf3 18.Kf3 Qc6+-) 17...Nc6 18.Kf3 g6 19.Rb1 Bg7 20.Rb7 0-0 21.Rb5 Qa3 22.Qc4 (22.Qe3 Rc8+-) 22...e6 (22...Rc8 23.Kg3+/-) 23.Rb3 (23.Qc6?! Qd3 24.Kf2 Qd2=) 23...Qa8 (23...Qa2 24.Bb1 (24.Qc6 Qb3 25.Nc3 Rd8-/+) 24...Na5 25.Ba2 Nc4 26.Rd3+-) 24.Be4 Na5? (24...Rc8 25.Rc3 Be5 26.fe5 Ne5 27.Kg3 Nc4 28.Ba8 Ra8 29.Rc4 Kg7+-) 25.Qb5 (25.Ba8 Nc4 26.Rc3 Nd2 27.Ke3 Nf1 28.Kf2 Nh2+=) 25...Qd8 26.Ra3 Qh4 (26...Qd2 27.Qa5 Qa5 28.Ra5+-) 27.Ra5 g5 (27...Qh2 28.Qd7+-) 28.Ra8 (better is 28.h3!? Qh5 29.Kf2 Qh4 30.Kf1 gf4+-) 28...Ra8 29.Ba8 Bh6 30.fg5 Bg5 31.Qd3 Qh2 32.Qd4 h5 33.Bc6 Kg7 34.d3 Kh6 35.Ng1 h4 36.Nh3 Qg3 37.Ke2 Be7 38.Qf4 Bg5 39.Qg3 hg3 40.Ng5 Kg5 41.Kf3 1–0. Sergeev,Albert (2305) – Shamne,Anton (2175), Novokuznetsk RUS, City Ch, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 ba3 4.Ba3= Nf6)

    5.Nc3 d5 6.ed5 Nd5 7.Bc4 Nb6 8.Bb3 Nc6 9.Nf3 g6 10.Ng5 e6 11.Bf8? Qg5-+ 12.Bd6 Qg2 13.Rf1 Nd4 14.f3? e5! 15.Be5 Bh3 (15...Bh3 16.Qe2 Ne2-+ (16...Qf1 17.Qf1 Bf1 18.Bd4+-); 15...Nb3?! 16.cb3 0-0 17.Qe2-/+) 0–1. Hughes,Peter – Lunny,Eltin, IECG, 2004.

    5.e5 Nd5 6.d4 Nc7 7.Bd3 d5 8.Ne2 Nc6 9.c3 Bg4 10.f3 Bh5 11.0-0 Bg6 12.h3 e6 13.Bf8 Rf8 14.f4 f5 (14...Bd3 15.Qd3 Qh4 16.Na3+=) 15.Nd2 Kf7 16.Nf3 Kg8 17.Ra2 b5 18.Qe1 Bh5 19.Kh2 a5 20.Rb2 b4 21.g4? (better is 21.Bc2-/+) 21...fg4-+ 22.hg4 Bg4 23.Bh7? (23.cb4 Nb4 24.Bb1-+) 23...Kh7 24.Ng5 Kg6 (better is 24...Kg8 25.Qh4 Bf5-+) 25.Qg3-/+ Rh8 26.Kg1 Qf8 27.f5?? (better is 27.Qg4 Qf5 28.Qg2+=) 27...ef5-+ (27...Kg5?? 28.Qf4 Kh4 29.Ng3 Nd4 30.Rh2) 28.Nf4 Kg5 29.Qe3 Rh5! 30.Rg2?? Qh8 31.Nh5+= Kh5?? 32.Rf5 Kg6+- 33.Qg5 Kh7 34.Rh2 Kg8 35.Rh8 Kh8 36.Qg4 Kg8 37.Rg5 Ne7 38.Rg7 Kf8 39.Qg5 Nc8 40.Qf6 Ke8 41.Qf7 (41.Qf7 Kd8 42.Qd7) 1–0. Frink,Ferenc (2095) – Dourerassou,Jonathan (2485), Warszawa Poland, Euro Rapid Ch, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    5.e5 Nd5 6.Qf3 e6 7.Be2 Ba3 8.Na3 Qa5 =.

    5.e5 Nd5 6.Nf3 Nc6 7.c4 Nb6 (7...Nf4 8.Qb3+=) 8.d4 d6 9.Nc3 (better is 9.ed6 ed6 10.d5=) 9...e6?? (9...Bg4 10.ed6 ed6 11.Ra2-/+) 10.Be2?? (10.ed6 Bd6 11.c5 Bf8 12.cb6 Ba3 13.Ra3 Qb6+/-) 10...Be7?? (better is 10...de5 11.de5 Qd1 12.Kd1 a6-/+) 11.ed6+/- Bd6 (11...Bf6 12.h3+/-) 12.c5 Be7 13.cb6 Ba3 14.Ra3 Qb6 15.0-0 0-0 16.Bd3 (better is 16.Qd3+-) 16...Nd4?? (better is 16...h6+/-) 17.Nd4+- Qd4 (17...Rd8 18.Nf3 a6+-) 18.Bh7! (18.Bh7 Kh7 19.Qd4+-) 1–0. Labat,Christian (1870) – Dubos,Jean Luc, St Quentin op 5th, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.e5 Ng8 6.Qe2 =. 2

    4.Ba3 g6

    5.Bb2 Nf6 6.e5 Qb6 7.Bc3 Ne4 8.Qf3 Nc3 9.Nc3 Bg7 10.Rb1 Qe6 11.d4 0-0 12.Nd5 Na6?? (better is 12...Nc6 13.Ne2 d6-/+) 13.Ba6 (better is 13.Bc4!?+-) 13...Qa6+= 14.Ne7 Kh8 15.Qd5 d6 16.Nc8 Rac8 17.Qb7 (17.Rb7 Qa1 (17...Rc2 18.Rb1 Rfc8 19.Qb5 Rc1 20.Ke2 Qa2 21.Rb2 R1c2 22.Rc2 Qc2 23.Ke1-+) 18.Kd2 Qc3 19.Ke2 Qc2 20.Ke1 Qc1 21.Ke2 Rc2 22.Kf3 Rc3 23.Ke2 Qc2 24.Ke1 Rd3 25.Qf3 Qc1 26.Ke2 Qd1#; 17.ed6 Rfe8 18.Qe5 Be5 19.de5 Re5 20.Kd1 Qf1 21.Kd2 Qf2 22.Ne2 Qe2 23.Kc1 Rc2) 17...Qa5 18.Kf1 de5 19.d5 Rc7 20.Qb3 Qc5 21.Rd1 Qc2 22.Qf3 Rd7 23.h4 e4 24.Qe2 Qe2 25.Ne2 a5 26.Rh3 Rfd8 27.Rb3 a4 28.Rb6 a3 29.Ra6 Bf8 30.Nc3 f5 31.d6 Bd6 32.Nb5 Bf8 33.Rd7 Rd7 34.Ra8 Kg8 35.Na3 Rd1 36.Ke2 Ra1 0–1. Andrews,J Garth – Cork,D (1840), London Chess Classic FIDE Open, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 g6)

    5.Bb2 Nf6 6.Nf3 Bg7 7.Bc4 0-0 8.Nc3? (8.Qe2 d6+=) 8...d6 (8...Ne4 9.Ne4 Bb2 10.Ra2-+) 9.0-0 (9.Qe2 e6+=) 9...e5 (better is 9...Ne4!? 10.Na4 Bb2 11.Nb2 d5-+) 10.h3 Be6 11.Be6 fe6 12.d4 ed4 13.Nd4 Qd7 14.Ndb5 (14.Qd3!?-/+) 14...Ne4!-+ 15.Ne4 Bb2 (15...Qb5?! 16.Bg7 Kg7 17.Nd6=) 16.Nbd6 (16.Ra7!? Ra7 17.Na7 Be5-/+) 16...Ba1-+ 17.Qa1 Nc6 18.Rd1 Qc7?? (18...Qe7 19.c4-+) 19.Qa2?? (better is 19.Nf6 Rf6 20.Qf6=) 19...Nd4?? 20.c3?? Ne2?? 21.Qe2+- b6 22.Ng5 Qc3?? 23.Ne6 (worse is 23.Qe6 Kh8 24.Nde4 Rae8 25.Nc3 Re6 26.Ne6 Re8+-) 0–1. Arveuf,Rene (1640) – Roussel,Yannis, Fouesnant op, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Ba3 g6)

    5.d4 d5 6.e5 Nc6 7.Nf3 Bf5 8.Bd3 Nh6 9.0-0 Bg7 10.Nc3 0-0 11.Rb1 Qd7. letitbe (2425) – diggitus (2425), net–chess.com, 2008.

    5.d4 Bg7 6.c3 d6 7.Bc4 Nf6 8.Nf3 Ne4-/+ 9.0-0 0-0 10.Re1 Nf6 11.h3 Nc6 12.Nbd2 Qc7 13.Bb3 b5 14.Rc1 Bb7 15.c4 b4 16.Bb2 Nd7 17.Ba4 Nc5! 18.Ne4? Nd4 19.Nd4 Be4 20.Bc2 Bb7 21.Ba1 e5 22.Nb5 Qc6 23.f3 Rfd8 24.Be4 Ne4 25.fe4 a6 0–1. Hughes,Peter J (1815) – Palladino,Mario, WS/O/192 ICCF, 2008.

    5.d4 Bg7 6.c3 d6 7.Bd3 Nc6 (7...a5 8.f4+=) 8.Ne2 (8.Bc1 e5 9.de5 Ne5+=) 8...Nf6 (8...Qa5 9.Nd2 Qc7 10.h4+=) 9.0-0 (9.Bc1 a5+=) 9...0-0 (9...a5 10.d5 Ne5 11.f4 Qb6 12.Kh1-/+) 10.Nd2 (10.f3 Rb8-/+) 10...a6 11.h3 b5 12.f4 (12.Bc1 Bd7-/+) 12...Nd7 (12...Bb7 13.Qb1+=) 13.Qb3 (13.f5 Qb6 14.Ra2 a5-/+) 13...Rb8 (13...Nb6-/+) 14.e5? (better is 14.f5+=) 14...de5-+ 15.d5 (better is 15.fe5 Nde5! Deflection: d4 16.Be4-/+) 15...Na5 16.Qa2 (16.Qc2 Nb6 17.f5 Nd5 18.fg6 hg6-+) 16...ef4 (16...Nb6 17.Bb4 Nb7 18.Qa6 Qd5 19.Qb5-+) 17.Ne4 (17.Qc2 Ra8-+) 17...Ne5 18.d6 ed6 19.Bd6 Nd3 20.Qa5 Qa5! 21.Ra5 Bf5! 22.Bf8 Bf8-/+ 23.Nf6 Kg7 24.Nd5 Bc5 25.Kh2 Bc8 26.Nef4 Nf4 27.Nf4 Bb6 28.Ra2 a5 29.Rd2 a4 30.Nd5 Ba5 31.Nb4 Bb4 32.cb4 Be6 33.Rf3 Rc8 34.Rb2 Rc1 35.Ra3 Bc4 36.Kg3 f5 37.Kf4 Kf6 38.Ke3 g5 39.Kd4 Bb3 40.Rab3 ab3 41.Rb3 Rc4 42.Kd5 h5 43.Ra3 Rb4 44.Ra6+= Ke7 45.Ra7 Kd8 46.Rg7 g4 47.Rg5 gh3 48.gh3 Rh4 49.Kd6+= Ke8 50.Rf5 b4 51.Rf3 Rc4 52.Rf5 h4 53.Rb5= Kf7 54.Kd5 Rc3 55.Rb4 Rh3 ½–½. Frink,Ferenc (2240) – Kotel,Tamas (2100), HUN–chT2 Erkel, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 g6)

    5.d4 Bg7 6.c3 d6 7.f4 Nf6 8.Nd2 0-0 9.Ngf3 Bg4 10.Bd3 Nbd7 11.0-0 Qc7 12.Qc2 Rfc8-/+ 13.Rfc1 Bf3 14.Nf3=+ e6 15.Rab1 d5 16.e5= Nh5 17.g3 Bf8 18.Bf8= Nf8 19.Qb3 b6 20.Ba6 Rd8 21.Nd2 Qe7 22.c4 dc4 23.Rc4 Ng7 24.Ne4 Nf5 25.Qc3 h5 26.Rc7 (26.Rc7 Nd7 27.Qb2+-) 1–0. Bazant – Paroulek,Vit, Bratislava–B, 1925.

    5.d4 Bg7 6.c3 Nf6 7.e5 Nd5 8.Bc4 Nb6 9.Bb3 0-0 10.Nf3 d6 11.ed6 ed6 12.0-0 Bg4 (12...Re8 13.Re1 Re1 14.Qe1=+) 13.Nbd2 Nc6 (13...Re8 14.Re1 d5 15.Qc2=+) 14.h3 Bf5 15.g4 Bd3 16.Re1 Na5 (16...Bh6 17.Ne4 Be4 18.Re4=+) 17.Bc2 (better 17.Bd6!? Nb3 18.Nb3 (worse 18.Bf8 Na1 19.Be7 Qc7 20.Qa1 Nd5-/+) 18...Qd6 19.Qd3=) 17...Bc2-/+ 18.Qc2 Nac4 19.Bb4 (19.Nc4 Nc4 20.Nd2 Na3 21.Ra3 Re8 22.Re8 Qe8-/+) 19...a5 20.Ba3 Na3 (20...Qd7 21.Qb3 Rfc8 22.Reb1-/+) 21.Ra3 Re8 22.Ne4 (22.Re8!? Qe8 23.c4-/+) 22...Nc4 23.Raa1 b5 24.Nfd2 Qc7 (24...a4 25.Nc4 bc4 26.Re2-+) 25.Nc4-/+ bc4 (worse 25...Qc4 26.Nd6 Re1 27.Re1=) 26.Ra4?? (better 26.Qa4 Reb8 27.Ra2-/+) 26...d5-+ 27.f3 (27.Re3 de4 28.Re4 Qc6 29.Re8 Re8-+) 27...de4 28.fe4 (28.Re4 Re4 29.Qe4 Qg3 30.Kf1 Rb8-+) 28...Qg3 29.Kf1 Qh3 30.Ke2 (30.Kg1 Qg4 31.Qg2 Re4 32.Re4 Qd1 33.Qf1 Qa4-+) 30...Qg4 31.Kd2 (31.Kf1 Qh3 32.Qg2 Qc3 33.d5-+) 31…Bh6 (31...Bh6 32.Re3 Re4 33.Qe4 Qe4 34.Rc4 Be3 35.Ke1 Re8 36.Rc8 Bf4 37.Kf2 Qe2 38.Kg1 Be3 39.Kh1 Qf1 40.Kh2 Bf4) 0-1. Alves,Tiago Marques - Badelka,Olga (2425), 1st FIDE World Uni BlitzC, 2021. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 g6)

    5.Nf3 Nf6 6.e5 Nd5 7.c4 (7.Bc4 Nb6 8.Bb5 Bg7 9.0-0 0-0 10.d4 f6 11.c3 fe5 12.Ne5+=) 7...Nf4 8.Bc5 Nc6 9.Be3 Ne6 10.d4 Bg7 11.d5 Ne5 12.de6 +=.

    5.Nf3 Bg7

    6.d4 Nc6 7.c3 d5 8.ed5 Qd5 9.Nbd2 Nf6 10.Bc4 Qd7 11.0-0 0-0 12.Re1 =.

    6.d4 d5 7.ed5 Qd5 8.Be2 Nc6 9.Bb2 Bf5 10.c4 Qd7 11.Qd2 Nf6 12.d5 +=.

    6.d4 d6 7.Nbd2 (7.Bc4 Nf6 8.Qd3 Nbd7 9.0-0 0-0 10.Bb4 Nb6 11.Ba5 d5 12.Bd5+=; 7.Bd3 Nf6 8.0-0 0-0 9.Nbd2 Qc7 10.c4 Nc6 11.Qe2 Nd7 12.Qe3+=; 7.Be2 Nf6 8.Nbd2 0-0 9.0-0 Nc6 10.d5 Nb8 11.Re1 Nbd7 12.Bb2+=; 7.Bc1 Nf6 8.Bd3 0-0 9.0-0 Nc6 10.Nbd2 d5 11.e5 Nh5 12.Nb3+=) 7...Nf6 8.Bd3 0-0 9.0-0 Qc7 10.Re1 Nc6 11.d5 Ne5 12.Ne5 +=.

    6.d4 Nf6 7.Nc3 0-0 8.Bc4 (8.e5 Ne8 9.h4 d6 10.h5 Nc6 11.hg6 hg6 12.Bb5+= –0.56) 8...a6 (8...Qa5 9.Qd2 Bh6 10.Qd3 d5 11.Bd5 Nd5 12.ed5-+ –1.44) 9.0-0 d6 10.Rb1 (10.Nd5 Nbd7 11.Nf6 Nf6 12.e5+= –0.56) 10...Qc7 (10...Nc6 11.d5 b5 12.Bd3-/+ –0.87) 11.Qd3 (11.Nd5 Nd5 12.Bd5+= –0.66) 11...Rd8 (11...b5 12.Bd5-/+ –0.91) 12.Rfd1 (12.Nd5+= –0.53) 12...e6 13.Bc1 b5 14.Bb3 Bb7 15.Bg5 Rc8 16.e5 de5 17.de5 Nfd7 (17...Qc3?! 18.Qc3 Rc3 19.Rd8 Bf8 20.Bf6-/+) 18.Ne4 Ne5 19.Ne5 Qe5 20.Nd6 Qg5 21.Nb7 Nc6 22.Nd6 Rd8 (22...Rc7!? 23.c4 Rb8 24.cb5 ab5 25.Ba2-+) 23.Qe4 Qc5 24.Nf7+= Rf8?? 25.Qe6+- Nd4?? 26.Rd4 Qd4?? 27.Nh6 Kh8 28.Qg8!! Rg8 29.Nf7 1–0. Bednarczyk,Katarzyna – Gora,Antonina, Klementowice Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 g6)

    6.d4 Nf6 7.Nc3 Qa5 8.Bb2 Qb4 9.e5 Qb2 10.Na4 Qb4 11.c3 Qa5 12.ef6 -/+.

    6.d4 Nf6 7.Nc3 Nc6 8.Bc4 (8.e5 Ng4= 9.Bc4 0-0 10.0-0 a6 11.Ne4 b6 12.Bd5= –0.03) 8...a6 (8...Qa5!? 9.Qd2 Bh6-/+ 10.Qd3 Nb4 11.Qd1 Ne4 12.0-0-/+ –1.12) 9.0-0 (9.e5 Nh5 10.Nd5 d6 11.ed6 ed6 12.0-0+= –0.31) 9...b5 (9...d6 10.d5 Na7 11.Bd3 b5 12.Bb4+= –0.56) 10.Bd5 Nd5 (10...0-0 11.Ne5 Bb7 12.Bc5+= –0.69) 11.Nd5 (11.ed5 Nb8 12.Bb4+= –0.31) 11...d6 12.Re1 Bg4 13.c3 Na5 14.Ne3 Bc8 15.Qe2 Bb7 16.Ng5 h6 17.Bb4 Nb3 (17...hg5?! 18.Ba5 Qd7 19.Nd5 Bd5 20.ed5+=) 18.Qa2 hg5 19.Qb3 Be4 20.Rad1? (better is 20.Nd5 Bd5 21.Qd5+=) 20...d5?? (better is 20...a5 21.Ba3 Bc6-+) 21.f3 Qc7 22.h3 Bf3 23.gf3 Qg3?? 24.Ng2+- e6?? 25.Qd5 Ra7 26.Re6! fe6 27.Qe6 Kd8 28.Ba5 Rc7 29.Re1 g4 30.Qe7 Kc8+/- 31.Qe6 Kb8 32.Qg6?? Rb7= 33.d5?? Qh3?? 34.Re8= Re8 35.Qe8 Ka7 36.Qe3 Ka8 37.Qe8 Ka7 38.Qe3 Ka8 39.Qe8 ½–½. Bednarczyk,Katarzyna – Gora,Joanna, Klementowice Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Ba3 g6)

    6.d4 Nf6 7.e5 Ne4 8.Bd3 d5 9.c4 Nc6 10.0-0 Bg4 11.Bb2 0-0 12.Ra4 -/+.

    4.Na3 Nc6

    5.Bb2 d5 6.ed5 Qd5 7.Nb5 Qd8 8.Qf3 Be6 (8...f6 9.Bd3 Qd7 10.Qg3=) 9.Qg3 (better 9.Qf4 Kd7 10.Na7 Ra7 11.Ra7=) 9...Rc8?? (better 9...Kd7=) 10.Bg7+- Nb4 11.Na3 (11.Bh8?! Nc2 12.Kd1 Na1 13.Ba1 Qa5+-) 11...Nc2 12.Nc2 Rc2 13.Bb5 Bd7 14.Bd3 (14.Bh8?! Bb5 15.Nf3 Nh6+/-) 14...Rc6 15.Bh8 Nf6 16.Ne2 (16.Ra7 Rc1 17.Ke2 Bc6 18.Bf6 ef6 19.Qe3 Be7+-) 16...Re6 (16...a6 17.Bf6 Rf6 18.Bh7+-) 17.0-0 (17.Ra7 Bc6 18.Bf6 Rf6 19.Bh7 e6+-) 17...Bc6 (17...a6 18.Nf4 Rd6 19.Bf6 Rf6 20.Nh5+-) 18.Nf4 Rd6 19.Rfe1 (19.Ra7 Nd5 20.Nh5 Nc7+-) 19...e6 (19...a6 20.Qh4 Nd5 21.Nd5 Bd5 22.Be4+- (worse 22.Bh7 Rh6 23.Qa4 Qd7+-)) 20.Bc4 (20.Ra7 Nh5 21.Nh5 Rd3+-) 20...Be7 (20...Ne4 21.Qg8 Qh4 22.Re4 Be4 23.Bg7+-) 21.Ra7 (better 21.Be6 fe6 22.Bf6 Bf6 23.Ne6 Re6 24.Qg8 Kd7 25.Qe6 Kc7 26.Qf7 Kb8+-) 21...Rd2 (21...Kd7 22.Qg7 Qg8 23.Qg8 Ng8+-) 22.Bf6 Bf6 23.Ra8! (23.Ra8 Qa8 24.Qg8 Ke7 25.Qa8+-) 1-0. Fedoseev,Vl3 (2670) - Siva,Mahadevan (2345), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2)

    5.Bb2 e5 6.Nf3 Bc5 7.Nc4 (7.Ne5 Qf6 8.d4 Bb4 9.Ke2=) 7...d5 (better is 7...d6-/+) 8.ed5= Qd5 9.Nce5 Ne5 10.Ne5 Qe4 11.Qe2 Nf6 (11...Qc2? 12.Nd3 Kf8 A) 13.Nc5 Qb2 (13...Qc5?? 14.Ba3 Qa3 15.Ra3+-) 14.Rd1 Bf5-/+; B) 13.Rc1 Bf2 14.Qf2+-) 12.Qe4 Ne4 13.Bb5 Kf8 14.0-0 Be6 (14...Nd2? 15.Rfd1 Bb4 16.Ra4+-) 15.d3 Nd6 16.Nd7 Bd7 17.Bd7 a5 (17...Rd8 18.Bg4=) 18.Rfe1 f6? (18...Rd8 19.Re5 Bb6+/- (worse is 19...Rd7 20.Rc5 f6 21.Rca5+/-)) 19.d4+/- Bb6 20.Ba3 Bc7 21.Re6 Rd8 22.Ba4 (22.Rd6 Bd6 23.Bd6 Kf7-/+) 22...Kf7 23.Rae1 (better is 23.Bb3!? a4 24.Bd6 Bd6 25.Ra4+-) 23...b5 24.Bd6 (24.Bb3 Kg6+=) 24...Bd6= 25.Bb5 Bb4 26.c3 Bc3 27.Re7 Kg6 28.Bd3 Kg5 29.R1e3+= f5 30.h4 Kh6= 31.Bf5 Bd4 32.R3e6 g6 33.g4 Rdf8 34.Rd7 Bf6 35.g5+/- Bg5 36.hg5 Kg5 37.Be4 Rf4 38.Rd5 Kh4 39.Ra5 Rhf8 40.Ra7 R8f7 41.Ree7 Re7 42.Re7 Kg5 43.f3 Rh4 44.Kg2 Kf6 45.Ra7 Rh5 46.Kg3 Rg5 47.Kf4 Rh5 48.Ra6 Kf7 49.Rb6 Ke7 50.Kg4 Kf7 51.f4 Rh2 52.Kg3 Rh5 53.Bf3 Rf5 54.Be4 Rh5 55.Ra6 Rc5 56.Ra7 Kg8 57.Re7 Ra5 58.Kg4 Rc5 59.Rd7 Ra5 60.Bd5 Kf8 61.Be6 Ra6 62.f5?? gf5 63.Kf5 Ra1 64.Rh7 Rf1 65.Ke5 Re1 66.Kf6 Rf1 67.Bf5 Rg1 68.Rd7 Re1 69.Rd4 Re2 70.Rd1 Re3 71.Rd5 Re1 72.Rd3 Re2 73.Rd4 Re1 74.Bd3 Re3?? 75.Be4 (75.Be4 Rf3 76.Bf3 Kg8 77.Be4 Kf8 78.Rd8) 1–0. Badmatsyrenov,Alexander (2215) – Bukharov,Alexander, RUS SFO–ch Russia, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.Bb2 ba3 5.Na3 e5)

    5.Bb2 e6 6.d4 d5-/+ 7.e5 Bd7 8.Nf3 a6 9.c4 Bb4-/+ 10.Nd2 dc4 11.Nac4 b5 12.Ne3=+ Bc8 13.Bb5= Bb7 14.Ba4 Nge7 15.0-0 0-0 16.Nc2 Rb8 17.Nb4= Nb4 18.Qg4 a5 19.Ne4 Nf5?? 20.Nf6+- Kh8 21.Nd7 Rg8 22.Nb8 Qb8 23.Ra3 Ne7 24.Bc1 Qa8 25.Bd1 Nf5 26.Bf3 Nc2 27.Bb7+- Qb7 28.Ra5 Ncd4 29.Rd1 Rc8 30.Be3 Nc6 31.Rc5 h6 32.Rdc1 Nce7 33.Qc4 Rd8 34.Rc7 Qb2 35.Qc3 Qb5 36.g4 Nd5 37.Qc2?? Nde3?? 38.fe3+/- Ne3 39.Qc5?? Qe2-+ 40.Qc6 Rd5 41.Rc8 Kh7 (41...Kh7 42.Qc2 Nc2 43.R8c2 Rd1 44.Rd1 Qd1 45.Kf2 Qc2 46.Kg3 Qd3 47.Kg2 Qe2 48.Kg3 Qe5 49.Kg2 Qe2 50.Kg1 Qg4 51.Kf2 f5 52.h3 Qd4 53.Ke2 f4 54.h4 Qe3 55.Kd1 f3 56.Kc2 f2 57.h5 f1Q 58.Kb2 Qfe2 59.Kb1 Qg1) 0–1. Bressanelli,Roberto (2140) – Genocchio,Daniele (2175), Verona op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 e6)

    5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6 8.Nf3 e6 9.Nb5 Be7 10.Nd6 Kf8 11.c5 Nd5 12.Be2 f6 13.0-0 fe5 14.Ne5 Ne5 15.Be5 Nf6 16.d4 Ne8 17.f4 Nd6 18.cd6 (18.Bd6?! Bd6 19.cd6 Qb6+=) 18...Bf6 19.Qd3 g6 20.Qc3 (better is 20.f5!? Ke8 21.fe6 Be5 22.ed7 Qd7 23.de5+-) 20...Kg7+= 21.g4 h6 22.Bf3 a6 23.Rfb1 Rf8 24.d5 Be5 25.fe5 Qg5 26.de6 de6 27.h3 Qf4 28.Kg2 Rf7 29.Rb4 Qg5 30.Rb6 Bd7 31.Rb7 Raf8 32.Rf1 (worse is 32.Ra6 Rf3 33.Rd7 Kg8=) 32...Kg8 33.Qd4 (33.Rc7!?+/-) 33...Bb5 34.Rf2 Rf3 35.Rf3 Rf3 36.Kf3?? (better is 36.Rb5 Rf8 37.Rb2+/-) 36...Bc6-+ 37.Kg3 Bb7 38.d7 Qd8 39.Qd6 Kf7 40.h4 Bd5 41.Qa6 Qd7 42.Qf1 Kg8 43.Qf6 Qf7 44.g5 hg5 45.hg5 Qf6 46.gf6 Kh7 47.Kg4 Kh6 48.Kh4 g5 49.Kg4 Kg6 50.Kg3 (50.f7 Bf3! 51.Kg3 Kf7-+) 50...Bc6 51.Kh3 Be8 0–1. Klingenberg,Dietrich (1670) – Pekruhl,Denny, Greifswald op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.c3 e5 6.Bc4 Nf6 7.d3 d5 8.ed5 Nd5 9.Qb3 Nce7 10.Nf3 g6 11.Ne5 Bg7 12.d4 0-0 13.0-0 a6 14.Re1 Rb8 15.Ba6 Nc3 16.Bc4 (16.Qc3?! ba6 17.Bg5 Nd5+=) 16...Ncd5 17.Nc2 b5 18.Ba3 Be6 19.Be7?? (better is 19.Bd5 Bd5 20.Qb2=) 19...bc4-+ 20.Qc4 Ne7 21.Qe2 Rb2 22.Qd1? (22.Reb1 Rb1 23.Rb1-+) 22...Bb3 23.Rc1 Nf5 (23...Bh6 24.Nd3 Bc1 25.Nb2 Bb2 26.Qb1 Bc2 27.Qb2-+) 24.g4 (24.f4 Re8 25.Re4 Qd5-+) 24...Rc2 25.Rc2 (25.gf5 Qg5 26.Kf1 Rf2 27.Kf2 Bd1 28.Rcd1 Qf5 29.Nf3 Rd8-+) 25...Bc2 (better is 25...Nd4 26.Nc6 Bc2 27.Nd8 Bd1 28.Rd1 Rd8 29.Kg2-+) 26.Qc2 Nd4 27.Qd1 Qd5 (27...Qd5 28.f4 Rd8-+) 0–1. Szyndler,Stanislaw – Puczylowski,Marcin (1955), Poland–Tch, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.Bc4 e6 6.Bb2 d6 7.d4 Nf6 8.Qe2 Qb6 (better is 8...Ne4!? 9.Qe4 d5-/+) 9.Nb5+= Na5 10.Bc3 Nc4 11.Qc4 Kd7 12.d5 Ne4 13.Bd4 Nc5 14.de6 fe6 15.Nf3 a6 16.Nc3 Qc6 17.Rd1 Kc7 18.0-0 b5 19.Qe2 Bb7 20.Na2 a5 (20...Qe4 21.Qd2 Qf5 22.Bc5 Qc5 23.Ng5-+) 21.Rb1 b4 22.Bc5 Qc5 23.Qe6? (better is 23.Rfd1 Bd5 24.Rb2-+) 23...Bd5 24.Qg4 (24.Ng5 Qc4 25.Qf5 Qa2-+) 24...Ba2 25.Nd4 Be7 26.Qg7 Qe5 (26...Qe5 27.Qe5 de5-+) 0–1. Paldan,G – Baze,Lineas, Detroit ch–MI op, 1992. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.Bc4 Nf6 6.d3 e6 7.f4 Bb4 8.Bd2 0-0 9.c3? (9.Bb4 Nb4 10.c3 Nc6+=) 9...d5 (9...Ba3 10.Ra3 d5 11.Bb5 de4 12.d4-+) 10.e5? (better is 10.cb4 dc4 11.e5-/+) 10...Ba3-+ (10...dc4?! 11.cb4 Nd5 12.Nc4 Ndb4 13.Bb4 Nb4 14.Nd6-/+) 11.ef6 Qf6 12.Bd5?? (12.Ra3 dc4 13.dc4-+) 12...ed5 13.Ra3 Re8 14.Kf2 Ne5 15.g3 Nd3 16.Kg2 Qb6 17.Qf3 Bf5 18.Ra4 Be4 19.Re4 de4 20.Qe2 e3 21.Qd3 Rad8 22.Be3 Re3 23.Qc2 Qc6 24.Kf2 Rc3 25.Qc3 Qc3 26.Ne2 Qc5 27.Ke1 Re8 28.Rf1 Qc1 29.Kf2-+ Qe3 30.Kg2 Qe2 31.Kg1 Qe3 32.Kg2 Rd8 33.Kh3 h5 34.Kg2 Rd2 35.Kh1 Qe2 (35...Qe2 36.Rf2 Qf2 37.h3 Qe1; 35...Qe4 36.Rf3 Qf3 37.Kg1 Qd1) 0–1. Nasikan,Nikolai – Shcherbenko,Alexandr (2035), Sakharov Memorial op 4th, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.Bc4 Nf6 6.Qe2 e5 7.Nf3 Be7 8.0-0=+ 0-0 9.Bb2 d6 10.Nb5 Bg4 11.h3 Bh5 12.g4 Bg6 13.d3 Ne8 14.Qe3 a6 15.Nc3 Rc8 16.Nd5 Nc7 17.Nb6 Rb8 18.g5 Ne6-/+ 19.h4 Bh5 20.Nd5 Kh8 21.Nh2 Ned4 22.Qd2 f5 23.c3 Nf3-+ 24.Nf3 Bf3 25.Rae1? f4 26.Kh2 Bg5 27.d4 Bh4 28.de5 Qg5 29.Rg1 Qh5 30.Nf4 Rf4! 31.Rg3 Bg3 32.Kg3 Qg4 (32...Qg4 33.Kh2 Qg2#; 32...Qh4) 0–1. Nasikan,Nikolai – Vorobiov,Ivan, 6th Kurass Memorial, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.d4 e5 6.d5 (6.de5 Qa5 (worse is 6...Ne5 7.Nb5=) 7.Bd2 Qe5+=) 6...Bb4 7.Bd2 Ba3 (7...Bd2!? 8.Qd2 Nd4+=) 8.Ra3= Nb8 (8...Nce7 9.Bd3=) 9.Qa1+= d6 10.Ra7 Ra7 11.Qa7 Nd7 12.Bb5 (12.Nf3 Ngf6 13.Bd3 Nc5+=) 12...Ngf6= 13.f3 0-0 14.Ne2 Nc5 15.Bg5 (15.0-0 Bd7 16.Nc3 Qe7+=) 15...h6 16.Bh4 (16.Be3 Bd7 17.Nc3 Na6 18.Ba6 Qa5+=) 16...Bd7= 17.Bd7 Ncd7 18.0-0 (worse is 18.Qb7 Qa5 19.Kf2 g5 20.Bg5 hg5-/+) 18...Qc7 19.Bf6 Nf6 20.Ng3 g6 21.Rb1 Rb8 (21...Qc2 22.Rb7 Qd1 23.Kf2 Qc2 24.Ne2+=) 22.Nf1 Nd7 23.Ne3 Kf8 24.Rb4 Ke7 (24...Kg7 25.Qa1+=) 25.Nc4 (25.Rb3 Kf6+=) 25...Qc5 26.Qc5 Nc5 27.Rb5 (27.Rb6 Ra8=) 27...f6 28.h4 (28.Na5 Kd7=) 28...h5 (28...Rc8 29.g4=) 29.Kf2 Ra8 30.Na5 Ra7 31.Ke2 f5 32.ef5 gf5 33.Kd2 f4 34.Nc4 Ra8 35.Ne5+= Rg8 36.Nd3 Rg2 37.Kc3 b6 38.Nc5 bc5= 39.Rb7 Kf6 40.Kd3 Rf2 41.Rh7 Rf3 42.Ke4 Rc3 43.Rh6 Kg7 44.Rh5 Rc4 45.Kf3 Kg6 46.Rg5 Kf6 47.Rh5 Rc2 48.Kf4 Rf2 49.Ke4 Kg6 50.Rg5 Kh6 51.Ke3 Rf1 52.Ke4 Rf2 53.Ke3 Rf8 54.Ke4 Rf1 55.Ke3 Re1 56.Kd3 Rd1 57.Ke3 Rh1 58.Rf5 Kg6 59.Rg5 Kf6 60.Rh5 Rd1 61.Ke2 Rg1 62.Kf2 Rg8 63.Ke3 Rg1 64.Kf2 Ra1 65.Ke3 Ra3 66.Ke4 Ra4 67.Ke3 Rd4 68.Rh6 Ke7 69.Rh7 Kd8 70.Rh8 Kc7+= 71.h5 Rd5 72.h6 Rh5 73.h7 Kb7 74.Rd8 Rh7 75.Rd6 Kc7 76.Rg6 ½–½. Day,Lawrence A – Biyiasas,Peter, CAN–ch Calgary, 1975. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.d4 Nf6 6.e5 Nd5 7.Bd2 e6 8.Nb5=+ a6 (8...d6!? 9.c4 Nc7=) 9.Nf3+= Qb6 (better 9...f6!?+=) 10.c4+- Ndb4 11.Be2 Be7? (11...Rb8 12.Nd6 Bd6 13.ed6+-) 12.Be3+- White intends d5 12...Qd8 (12...Nd8 13.Qd2 a5 14.d5+-) 13.d5 ed5 (13...Rb8 14.Nd6 (14.dc6?! ab5 15.cd7 Qd7=) 14...Bd6 15.ed6+- (15.dc6 Be7=+)) 14.cd5 Nb8 (14...0-0 15.d6 Ne5 16.Ne5 Bf6+-) 15.d6 Bf8 (15...ab5 16.Ra8 N8c6 17.de7 Ne7 18.0-0+-) 16.Nc7 Qc7 17.dc7 N8c6 18.0-0 Be7 (18...a5 19.Nd4 Ne5 20.Re1+-) 19.Bg5 Bg5 (19...Bf8 20.Qb3 Bc5 21.Rfc1+-) 20.Ng5 Ne5 (20...0-0 21.Bc4 Ne5+-) 21.Qd6 Nbc6 22.Rfe1 f6 23.Bh5 g6 24.Qf6 Rf8 (24...Ne7 25.Re5 gh5 26.Qh8) 25.Re5 Ne5 26.Qe5 1–0. Janek – Veyrath, internet, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.d4 g6 6.c3 Bg7 7.Be3 e5?? (better 7...Nf6 8.Qf3 d5 9.ed5 Qa5=+) 8.d5+/- Nce7 (8...Na5 9.Nb5 b6 10.Qb1+/-) 9.Nb5 d6 10.Na7 Bd7 (10...Bh6 11.Nc8 Rc8 12.Bh6 Nh6 13.Qd2+/-) 11.Nb5 Bb5 12.Bb5 Kf8 13.Ra8 Qa8 14.Ne2 f5 15.f3 f4 (15...Bh6 16.Bb6+/-) 16.Bf2 Nf6 17.0-0 g5 18.Qb3 h5 Black plans g4 19.Qb4 Qd8 20.c4 (20.Bd3!? g4+-) 20...g4+/- 21.c5 dc5 22.Bc5 gf3 23.gf3 (23.Rf3 b6 24.Bf2 Rh6+-) 23...Bh6 (better 23...Rh6!?+/-) 24.Kh1+- Kf7 25.Bc4 Kf8? (25...Ng6+-) 26.Qb7 (26.Ra1 b5 27.Ra7 Nd7 28.Qb5 Nc5 29.Qc5 Bg7+-) 26...Nd7 27.Ba3 (better 27.Bd6 Kf7 28.Bb5+-) 27...Rg8 (27...Ke8 28.Bb5 Bg5 29.Rc1+-) 28.Qa6 (better 28.Bb5 Rg6 29.Bd7 Rb6+-) 28...Rg6 (28...Bg5+-) 29.Be7 (29.Be7 Ke7 30.Qg6+-) 1-0. Joly,F (1955) - Ciarletta,Ulysse, ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4)

    5.Nf3 a6 6.Nb5 A) 6...Qb6 A1) 7.d4 Nf6 8.e5 Ne4 9.Qe2 Na7 10.Qe4 Nb5 11.Bc4 e6 12.Qd3 Bb4; A2) 7.Be2 e5 (7...Nf6 8.e5 Ne4 9.d4 d5 10.ed6 ed6 11.0-0 Rb8 12.Qd3 d5; 7...Rb8 8.Nc3 Nf6 9.0-0 e6 10.e5 Nd5 11.Nd5 ed5 12.d4 Bb4; 7...d6 8.0-0 Nf6 9.Nc3 Bd7 10.d4 Nb4 11.Be3 g6 12.Qb1 Rc8) 8.0-0 Nf6 9.d4 Ne4 10.Bd3 d5 11.Ne5 Be7 12.Nc6 bc6; A3) 7.Nc3 Nf6 (7...e6 8.Bc4 Nf6 9.0-0 Bb4 10.Qe2 Nd4 11.Nd4 Qd4 12.Bb2 0-0) 8.Bc4 e6 9.0-0 Bb4 10.Qe2 0-0 11.Bb2 Ng4 12.h3 Nge5; A4) 7.e5 Nh6 (7...f6 8.d4 Rb8 9.Nc3 e6 10.Be3 Bb4 11.Qd3 Qc7 12.Qc4 b5) 8.Be2 f6 9.0-0 Rb8 10.Na3 Qc7 11.Bb2 Ne5 12.Ne5 fe5; B) 6...Rb8 B1) 7.Nbd4 Nd4 (7...Nf6 8.e5 Ne4 9.Bd3 Nd4 10.Nd4 Nc5 11.Bb2 Qb6 12.Bc3 Nd3; 7...Qb6 8.Nc6 bc6 9.e5 Nh6 10.Bc4 Nf5 11.0-0 e6 12.d4 Be7) 8.Nd4 e5 9.Nf3 Nf6 10.Bd3 Bc5 11.0-0 0-0 12.Qe2 d6; B2) 7.Nc3 Nf6 (7...e6 8.Bd3 Nf6 9.0-0 b5 10.Bb2 Qc7 11.Re1 b4 12.Ne2 a5; 7...e5 8.Bd3 Nf6 9.Bb2 Bd6 10.0-0 0-0 11.Nd5 b5 12.Qe2 Bb7; 7...b5 8.d4 b4 9.Nd5 e6 10.Bf4 d6 11.Ne3 Nf6 12.Ba6 Ne4) 8.Bd3 d5 9.0-0 d4 10.Ne2 e5 11.h3 Bc5 12.Bb2 0-0; C) 6...d6 7.Nc3 (7.Be2 Nf6 8.Nc3 g6 9.0-0 Bg7 10.d4 0-0 11.Bg5 Bd7 12.h3 h6) 7...Nf6 (7...f5 8.Bd3 fe4 9.Ne4 Nf6 10.0-0 Ne4 11.Be4 d5 12.Bd3 Qb6) 8.Be2 g6 9.0-0 Bg7 10.d4 0-0 11.Bf4 d5 12.e5 Ne4.

    5.Nf3 a6 6.d4 Qc7 A) 7.d5 Na5 (7...Ne5 8.Bb2 Nf3 9.Qf3 d6 10.Nb5 Qb8 11.Nd4 Nf6 12.Bd3 g6) 8.Qd4 e6 9.de6 de6 10.Nc4 Nc4 11.Bc4 Nf6 12.Be3 Be7; B) 7.Nb5 Qb8 8.Nc3 b5 9.Bd3 e6 10.0-0 Nge7 11.Ne2 Ng6 12.Bg5 h6.

    5.Nf3 a6 6.d4 d6 7.d5 (7.Nc4 Nf6 8.d5 Nb8 9.Qd4 Nbd7 10.Bd2 Qc7 11.Bd3 Qc5 12.c3 g6) 7...Na5 8.Nc4 Nc4 9.Bc4 Nf6 10.Qd4 e5 11.de6 Be6 12.0-0 Rc8.

    5.Nf3 a6 6.d4 e6 7.Bd3 (7.d5 Bb4 8.Bd2 Bd2 9.Qd2 Qf6 10.c3 Ne5 11.Be2 ed5 12.Nb5 de4) 7...Be7 (7...Bb4 8.Bd2 Nf6 9.0-0 0-0 10.c3 Be7 11.e5 Nd5 12.Qb1 f5) 8.0-0 Nf6 9.e5 Nd5 10.c4 Ndb4 11.Be4 0-0 (better is 11...d5!? 12.ed6 Qd6=; 11...f5 12.ef6 gf6) 12.d5+/- ed5 (12...f5+/-) 13.cd5 (worse is 13.Bd5 A) 13...Nd5?! 14.cd5 (worse is 14.Qd5 Nb4 15.Qd2 d5-/+) 14...Ba3 15.Ba3=; B) 13...d6 14.ed6 Qd6-/+ (14...Nd5?! 15.cd5 Bf6 16.dc6 Ba1 17.Be3=)) 13...Na7 (better is 13...f5!? 14.Bc2 Ne5 15.Ne5 Bf6+/-) 14.d6+- Bh4 15.g3 (15.Nh4?! Qh4 16.f4 Nac6+=) 15...Bg3 16.hg3 f6 (16...f5 17.Qb3 Kh8 18.Qb4 a5+-) 17.Qb3 Kh8 18.Qb4 Nc6 19.Qb2 f5 20.Bg5 Qe8 21.Bd5 Qh5 22.Kg2 h6 23.Rh1 Qg6 24.e6! h5 (24...de6 25.Rh6) 25.e7 Re8 26.Qe2 b6 27.Ne5 Ne5 (27...Nd8 28.Ng6 Kh7 29.Qh5) 28.Qh5 (28.Qh5 Qh6 29.Qe8 Kh7 30.Rh6 gh6 31.Qg8) 1–0. usingprogram – pauladan1, internet, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.Nf3 a6 6.d4 Nf6 7.d5 Na5 8.e5 Ne4 9.Qd4 Qc7 10.Nc4 Nc4 11.Bc4 b5 12.Bb5 Qc3.

    5.Nf3 a6 6.e5 d6 A) 7.ed6 Nf6 (7...ed6 8.Bb2 Be6 9.Bd3 Qb6 10.Rb1 Qc5 11.0-0 Nf6 12.c4 Be7) 8.Nc4 ed6 9.Bd3 d5 10.Qe2 Be7 11.Nce5 0-0 12.0-0 Re8; B) 7.Bb2 de5 (7...Ne5 8.Ne5 de5 9.Be5 Be6 10.Be2 f6 11.Bc3 Nh6 12.0-0 Rc8) 8.Ne5 Ne5 9.Be5 Qd5 10.Qe2 Bf5 11.Nc4 Qe6 12.Bf4 Nf6.

    5.Nf3 e6 6.Bb2 d5 7.ed5 ed5 8.Be2 Nf6 9.0-0 Be7 10.Re1 0-0 11.c4 Bf5 12.Qb3 Qd7 13.cd5 Nd5 14.Bb5 a6 15.Ne5 Qd6 16.Ba4 b5 17.Qf3 Be6 (17...ba4?! 18.Qf5 Ne5 19.Be5= (worse is 19.Qe5 Qe5 20.Be5 Rac8-/+)) 18.Nc6 Qc6 (18...ba4? 19.Qd5 Bd5 20.Ne7 Qe7 21.Re7+-) 19.Bb3 Rfc8 20.Nc2 Qd6 (better is 20...Qd7!?-/+) 21.Nd4= (21.Nd4 Nc7 22.Nf5 Bf5 23.Qf5=) 1–0. Leoni,Alessandro (2045) – Moscoso,Fernando (1710), IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Nf3 e6)

    5.Nf3 Nf6 6.e5 Nd5 7.d4 e6 8.Bd2 Bb4 9.Nb5 Be7 10.Bc4 Nb6 11.Be2 0-0 12.0-0 a6 13.c4? (better is 13.Nd6+=) 13...ab5-+ 14.Ra8 Na8 15.cb5 Nb4 16.Bb4 Bb4 17.Qa4 Qa5?? (better is 17...Ba5 18.b6 Qb6-+) 18.Ra1+= Qa4 19.Ra4 Nc7 20.Rb4 b6 21.Bc4 Bb7 22.Ne1 Ra8 23.Rb1 Ra4 24.Rc1 Ra8 25.f3 Kf8 26.Kf2 Ke7 27.Nc2 Nd5 28.Ne3 Nf4 29.Kg3 g5 30.h4 h6 31.hg5 hg5 32.Ng4 Rc8= 33.Ne3 Ne2 34.Be2 Rc1 35.Nc4 Rc2 36.Kf2 f6 37.ef6 Kf6 38.Ne5 Ke7-/+ 39.g4 Bd5-+ 40.Ke3 d6 41.Nd3 Bc4 42.Bf1 Rc3 43.Kd2 Bd3 44.Bd3 Rc8 45.Ke3 e5 46.Ke4 Rc3 47.d5 Kf6 48.Bf1 Rb3 49.Bd3 Rb4 50.Ke3 Rf4 51.Bf5?? Rf5 52.gf5 Kf5 53.Kf2 e4 54.Ke3 ef3 55.Kf3 Ke5 56.Kg4 Kd5 57.Kg5 Kc5 58.Kf4 Kb5 59.Ke3 Kc4 60.Kd2 b5 (60...b5 61.Kc2 b4-+) 0–1. Repas,B – Pulsipher,D, Flint–ch MI S, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.Nf3 Nf6 6.e5 Ne4 7.Nb5 =+.

    5.f4? e5 6.Nf3 ef4 7.Bc4 Bc5 (7...Nf6 8.0-0 Ne4 9.Nb5-/+) 8.c3 Nge7 9.d4+= Bb6 10.Bf4 Bc7?? 11.Bc7+- Qc7 12.Nb5 Qf4 13.0-0 a6? 14.Bf7! Kd8 15.Qb3 Qe3? 16.Kh1 Qd3 17.Bc4 Qe4 18.Nd6 Qg6 19.Qb6 1–0. Buchele,Andreas (1950) – Reindl,Arno, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    5.f4? Nf6 6.e5 Ne4 7.Nb5 -/+.

    5.Bb2 d6

    6.Bc4 e6 7.Qe2 Nf6 8.Nb5 Be7 9.Nf3 0-0 10.0-0 d5 11.ed5 ed5 12.Bb3 Bg4 13.Qd3 a6 14.Nbd4 Bf3 15.Qf3 Nd4 16.Bd4 Ne4 17.Qe3 Bf6 18.Bb6 Qd7 (better is 18...Qd6!? 19.Ra5 Nd2 20.Qd2 Qb6 21.Rd5 a5-/+) 19.Ra5= Ng5 20.Rd5 Qe6 (20...Qc6!?=) 21.Qe6 fe6 22.Rd7 Rf7 23.Rf7 Kf7 24.Re1 a5 25.f4 Ra6 26.fg5 Rb6 27.gf6 Kf6 28.d4 Rd6 29.Re5 a4 30.Ba4 Rd4 31.Ra5 e5 32.c3 Rc4 33.Bb3 Rc3 34.Rb5 e4 35.Kf2 Rd3 36.Ke2 Rc3 37.Rb7 Ke5 38.Rb5 Kd6 39.Bd1 Ra3 40.Bb3 Ra1 41.Rd5 Ke7 42.Re5 Kf6 43.Re4 1–0. Luong Phuong Hanh – Nguyen Phu Ngoc,Thien, VIE–ch U17 Girls, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 d6)

    6.Bc4 e6 7.Nf3 Be7?? 8.Bg7+- Bf6 9.Bh8 Bh8 10.Rb1 (10.c3 d5 11.ed5 ed5 12.Qe2 Be6+-) 10...a6 11.c3 b5 12.Bb3 Bb7 13.0-0 Nf6 14.Re1 Qe7 15.Nc2 (15.Ra1 Qc7+-) 15...Na5+/- 16.e5 Nd7 (16...Ng4 17.ed6 Qd6 18.h3 Nb3 19.Rb3+/-) 17.ed6 Qd6 18.Ncd4 (18.Ba2 Qd3 19.Ncd4 Nc5+-) 18...0-0-0 (18...Nb3 19.Qb3 Ne5 20.Qd1+/-) 19.Qc2 (19.Bc2 Nc4+-) 19...Kb8 (19...Nc5 20.Ba2+-) 20.Ra1 (20.Qh7 Nb3 21.Rb3 Bd4 22.cd4 Bd5+-) 20...Rg8? (better is 20...Nb3!? 21.Qb3 Ne5+/-) 21.Qh7+- Qf8? (21...Nf6 22.Qc2 Ng4 23.Ra5 Bd4 24.cd4 Bf3+=) 22.Ra5 Bd4 23.Nd4 (23.cd4?! Bf3 24.g3 Rh8+-) 23...Bg2 24.f3 Bf3 25.Kf2 Bb7 (25...Rh8 26.Qc2 Bb7 27.Ke2+-) 26.Qh4 Qd6 27.Rg1 Rg1 28.Kg1 Ne5?! (28...Qb6 29.Ra2 e5 30.Bf7 ed4 31.cd4 Qf6 32.Qf6 Nf6+-) 29.Qg3 Ka8 (29...Kc8 30.Kf1+-) 30.Qg8 (better is 30.Nb5!? Qb6 31.Kf1 Nc6 32.Nc7 Ka7+-) 30...Ka7 (30...Qb8 31.Qg7 Qd6+-) 31.Nb5 (31.Nb5 Kb6 32.Nd6+-) 1–0. Gutmann,Manfred – Wuehl,Martin, Ladenburg AT, 1992. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 d6)

    6.Bc4 e6 7.Nf3 Nf6 8.Bf6 Qf6 =+.

    6.Bc4 Nf6 7.Qe2 e6 8.Nf3 Be7 9.d4 (better 9.0-0!?=+) 9...d5-/+ 10.Bd3 (10.ed5 ed5 11.Bb5 0-0-/+) 10...de4 (10...Qb6!? 11.c3 de4-+ (11...Ne4?! 12.Nc4 Qc7 13.Be4=+)) 11.Be4-/+ 0-0 12.0-0 Ne4 13.Qe4 Qd5 14.Qe2 Ba3 (14...Bd7!?=+) 15.Ba3 Re8 16.c4 (better 16.Bc5!?=) 16...Nd4-/+ 17.Nd4 (17.cd5? Ne2 18.Kh1 ed5-+) 17...Qd4 18.Rfd1 Qf6 19.Bb2 e5 20.Ra5 Bf5 21.Re5 Re5 22.Be5 Qe7 23.Qb2 Re8 24.h3 (24.Bg7?? Qe1 25.Re1 Re1) 24...f6 (24...Qe5?? 25.Qe5 Be6 26.Qc7+-) 25.Bg3 Qe4 26.c5 a6 27.Kh2 h6 28.Rd6 Re7 29.Rd8 Kh7 30.Bd6 Rd7 31.Rb8 Qd5 32.Qa3 Qe4 33.f3 (33.Qb2!?=) 33...Qd5=+ 34.Ra8 Bd3 35.Qb4 b6 36.Rb8 (36.Qb6 Qa8 Discovered attack; 36.cb6 Qd6 Double attack (36...Qa8 Discovered attack; 36...Qd6 Deflection; 36...Qd6 Decoy)) 36...bc5 37.Bc5 a5! 38.Qb6?? (38.Qa5 Qe5 Double attack) 38...Qe5-+ 39.Kh1 (39.Kg1 Be2 40.Rd8 Rd8 41.Qd8 Qc5 42.Kh2 Qc2-+) 39...Rd5 40.Rc8 (40.Bf2 Rb5 41.Rh8 Kh8 42.Qd8 Kh7 43.Qd3 Qf5 44.Qc3-+) 40...Bf5 41.Rc7 (41.Rc6 Qg3 42.Rd6 Bh3 43.Qb1 Bf5-+) 41...Qg3 42.Bg1 (42.Bd4 Bh3! 43.Qb1 (worse 43.gh3 Qf3 44.Kh2 Qf4 45.Kh1 Qf1 46.Kh2 Rg5 47.Qb2 Qf4 48.Kh1 Qf3 49.Kh2 Qg3 50.Kh1 Qh3 51.Qh2 Qf3 52.Qg2 Qg2) 43...Bf5 44.Qb6 Qh4 45.Kg1 Rd4 46.Rc1-+) 42…Rd1 (42...Rd1 43.Qa7 a4 44.Rg7 Qg7 45.Qa4 Bh3 46.Qc2 Kg8-+) 0–1. Zhang,Hongji (1750) – Peng,Hongchi (2320), 1st Longtou Cup, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 d6)

    6.Bc4 Nf6 7.Bf6 ef6 8.Ne2 =+.

    6.d4 Nf6 7.Bd3 e5 8.d5 Nb4 9.c4 Bd7 10.Nc2 Na6 11.h3 Nc5 12.Qe2 Be7 13.Nf3 Nh5 14.Bc1 Nb3 (14...Nd3?! 15.Qd3 0-0 16.Qe2-/+) 15.Rb1 Nc1 16.Rc1 Nf4 17.Qf1 Qa5 18.Nd2?? (better is 18.Kd1-+) 18…Bg5 (18...Bg5 19.g3 Ng2 20.Ke2 Qd2 (20...Bd2?! 21.Ra1 Ba4 22.Ra4 Qa4 23.Kd2=) 21.Kf3 Qc1 22.Qc1 Bc1 23.Rc1 Bh3-+) 0–1. Kenyon,Michael – Ver Nooy,Stan, IECG Cat–T email, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 d6)

    6.d4 Nf6 7.Bd3 e6 8.Nf3 a6 9.0-0 Be7 10.c4 0-0 11.Qd2 h6 12.Rfe1 Ng4 13.h3 Nf6 14.e5 de5=+ 15.Bc3? ed4-+ 16.Nd4 Nd4 17.Bd4 Ba3 18.Ra3 Bd7 19.Bc2 Bc6-/+ 20.Rg3 Kh8 21.Re5 a5 22.Qh6!! gh6 23.Rh5 Qd4 24.Rh6 Nh7 25.Rh7# 1–0. robdery – mariusch (1900), net–chess.com, 2009.

    6.Nf3 Bd7 7.Be2 e6 8.0-0 Nf6 9.d3 Be7 10.Qd2 b6 11.Nc4 Qc7 ½–½. Peneva,P – Chac,E, EU–ch U10 Girls, 1994. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 d6)

    6.Nf3 e6 7.Bc4 h6 8.0-0 e5 9.d4 ed4 10.Nd4 Nf6 11.Nab5 Be7 (11...Ne5 12.Bb3=) 12.Qe2 (better is 12.Nc6!? bc6 13.Bf6 gf6 14.Na7+-) 12...0-0 13.Nc6 bc6 14.Nd4 (14.Ra7 Bg4 (14...cb5?! 15.Bf7 Kf7 16.Ra8+=) 15.Bf6 Be2 16.Be7 Qb6 (16...Bc4?! 17.Bd8 Rad8 18.Nd4-/+) 17.Be2 cb5-+ (17...Ra7?! 18.Na7 Ra8 19.Bd6-+)) 14...Qc7 15.Ra2 (better is 15.Nc6!? Qc6 16.Bf6 Bf6 17.Bd5=) 15...Bd7 16.Rfa1 a5 17.Bc3 a4 18.Ra4 Ra4 19.Ra4 Qb8 20.Nb3 c5 21.Ra1 Bc6 22.f3 d5 23.ed5 Bd5 24.Bd5 (better is 24.Qe7!? Bc4 25.Bf6 (25.Qc5?! Rc8 26.Qe5 Bb3 27.cb3 Qb3=) 25...gf6 26.Nc5+/-) 24...Nd5= 25.Be5 Bd6 26.Bd6 Qd6 27.Qc4 Rc8 28.Ra6 Ne3 29.Qe2 (29.Rd6 Nc4 30.Rd7 Ne3=) 29...Qd1 30.Qd1 Nd1 31.Rd6 Ne3 32.c3 f5 33.Kf2 c4 34.Nd4 Nd1 35.Kg3 Nc3 36.Nf5 Rc7 37.Rd4?? (better is 37.Rd8 Kf7 38.Kf2+=) 37...Ne2-+ 38.Kf2 Nd4 39.Nd4 c3 40.Nc2 Rd7 41.Nb4 c2! (41...c2 42.Nc2 Rd2 43.Kg3 Rc2-+) 0–1. Krieg,Peter – Kreher,Peter, Blankenburger op–B, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Bb2 d6)

    5.d4 d5

    6.e5 e6 7.c3 f6 8.Bd3 fe5 9.Qh5 Kd7 10.de5 Qa5 11.Ne2= Nge7 12.0-0 g6 13.Qh4 Bg7 14.f4 Nf5 15.Qh3 h5 16.c4 dc4 17.Bf5 gf5 18.Nc4 Qa1=+ 19.Qd3 Ke8 20.Nd6 Kf8-/+ 21.Nc8 Kg8 22.Qd7 Kh7 23.Nd6 Qa2 24.Ng3+= Rad8 25.Qf7 Rdf8 26.Qb7 Nd8 27.Qe7 Qd5 28.Nh5+/- Qc5?? 29.Kh1+- Rhg8 30.Ng7 Rg7 31.Qf8 Nf7?? 32.Qc8 Qd5 33.Qb7 Qd3 34.Qf3 Qa6 35.Ne8 Rg6 36.Rd1 Qc4 37.Nd6 (37.Nd6 Qc7 38.Be3+-) 1–0. Reinke,Markus (2290) – Ziegler,Ari (2315), NRW–Liga I, 1995.

    6.e5 e6 7.c3 f6 8.Bd3 f5 9.Nb5 a6 10.h4 Rb8=+ 11.Bg5 Qd7 12.Na3 b5 13.Nc2 a5 14.g4 b4 15.gf5 ef5 16.Rh3 Qf7 17.Qe2 Be6 18.Bb5=+ Qb7 19.Ra5= b3 20.Nb4+= Bb4 21.cb4 Kf7 22.Bc6 Qb4 23.Bd2 Qa5!-/+ 24.Ba5 b2 25.Qb2 Rb2-+ 26.Nf3 h6 27.Nd2? Ne7 28.Rc3 Rc8 29.Bc7 Nc6 30.Rc6 Rb7 0–1. Goverde,R – Wortel,Marten (2280), NED U20 op Hengelo, 1999.

    6.e5 e6 7.Nf3 Bb4 8.Bd2= a6 9.Bb4+= Nb4 10.c3 Nc6 11.Bd3 Bd7 12.0-0 b5 13.Nc2 Nge7 14.Nd2 Ng6 15.f4 0-0 16.Qh5 Qh4?? 17.Bg6+- (17.Bg6 Qh5 18.Bh5+-) 1–0. Goverde,R – Brouwers,G, NED U20 op Hengelo, 1999.

    6.e5 e6 7.Nf3 Nge7 8.Bd3 Nf5 (8...Ng6 9.Nb5 a6 10.0-0=) 9.Bf5 (9.Nb5 a6 10.Bg5 Qb6=) 9...ef5 10.0-0 Be7 11.Nb5 0-0 12.Ba3 Be6 13.Be7 Qe7 14.Nd6 f6 15.Qe1 (15.Qe2!?=) 15...fe5-/+ 16.de5 a6 (16...Rfd8!?-/+) 17.c3 (17.Rb1 Rab8+=) 17...Rfd8 (17...f4 18.Qe2=) 18.Nd4 Nd4 19.cd4 b5 (19...Rd6 20.ed6 Qd6 21.Qa5=) 20.Qb4+= f4 21.Ra3 g5 (21...Rdc8 22.Rfa1+=) 22.Rc1 (22.Rfa1 Qc7+-) 22...Rac8 (22...Rdc8 23.Rc5 Rc5 24.Qc5+=) 23.Rac3 (23.Rca1!? Rc4 24.Qd2+=) 23...Rc4= 24.Qa5 (24.Rc4 bc4 25.Qb6=) 24...Rd4 (better 24...Rd6 25.ed6 Qd6=+) 25.Rc7+- Qf8 26.Qa6 f3? (better 26...Rd2+=) 27.Nb5+- Bc8 28.Qb6 (28.Qc6 Rg4 29.g3 Re4+-) 28...Rc4 29.Nd6 (29.Qe3!? Qf4 30.Qf4 gf4 31.R1c4 dc4 32.Nc3= (32.gf3?? Bh3 33.Nc3 Ra8-+)) 29...Rc1+= 30.Rc1 Be6 31.gf3 Rb8 32.Qe3 (32.Qc7 Rb3+=) 32...Qf4+= 33.Rd1 Qe3 34.fe3 Rb3 (34...Rb2 35.f4 Bh3 36.Ne8+=) 35.Kf2 (35.f4 Bg4 36.Ra1 gf4 37.ef4 Rf3+-) 35...Rb2 36.Kg3 h5 (36...Rb3 37.e4 de4 38.Ne4 Rb5 39.Ng5 Re5 40.Rd8 Kg7+-) 37.h4 gh4 (37...Rb3 38.Re1 g4 39.f4+-) 38.Kh4+- Rb3 (38...Rf2 39.f4 Bg4 40.Rd5+-) 39.Re1 d4 40.f4?? (better 40.ed4 Rf3 41.Kh5+-) 40...Re3= 41.Re3?? (better 41.Rd1 Kg7 42.f5 Re5 43.fe6 Re6 44.Rd4=) 41...de3-+ 42.Kg3 h4! (42...h4 43.Kf3 h3-+) 0–1. Schmitz,Karl_Heinz – Schicktanz,Florian (1675), Dortmund Germany, Sparkassen Open–B, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5)

    6.e5 g6 7.c3 Bg7 8.Bd3 Nh6 9.Ne2 0-0 10.0-0 Bg4 11.f3 Bf5 12.Bf5 Nf5 (12...gf5?! 13.Bg5 Kh8 14.Qd3=) 13.g4 Nh6 14.Ng3 f6 15.f4 fe5 16.de5 e6 17.h3 a6 18.Nc2 Rc8 19.Nd4 Nd4 20.cd4 Qh4 21.Kg2 Rc3 22.Rf3 Rfc8 (22...Rfc8 23.Bd2 R3c6-/+) 0–1. Niebergall,G – Porubszky Angyalosine,MA (2175), St Ingbert op, 1991. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 ba3 6.Na3 g6)

    6.e5 g6 7.Nf3 Bg7 (7...Nh6 8.c4 Be6 9.Bf4=+) 8.Be2 (8.Bf4 Bg4=+) 8...Nh6 9.c4 0-0 (9...Be6 10.c5=+) 10.0-0 (10.cd5 Qa5 11.Kf1 Qd5=) 10...Bg4 (10...Be6=+) 11.Nc2 (better 11.Bb2!?=+) 11...dc4-/+ 12.Bc4 (12.Bh6 Bh6 13.Bc4 Rc8-/+) 12...Bf3 (12...Nf5 13.Be3-/+) 13.gf3 (13.Qf3!? Nd4 14.Nd4 Qd4 15.Ra4 Qe5 16.Qb7-/+) 13...Nf5-+ 14.Be3 e6 (14...Rc8 15.Bd3-/+) 15.Rb1 (15.Bd3 a5-+) 15...Qh4 (15...Qe7 16.f4 Rfc8 17.Ba2-/+) 16.f4 (16.Rb7? Na5 17.Ba6 Nb7 18.Bb7 Rab8-+) 16...Qh3 (16...b6 17.Bd3-/+) 17.Qe2 (17.Be2 b6-/+ (worse 17...Ne3 18.fe3 Rfb8 19.e4=+)) 17...Rad8 (better 17...Rfd8!? 18.Rfd1 Rac8-+) 18.Rfd1-/+ (18.Rb7? Ncd4 19.Nd4 Nd4 20.Bd4 Rd4-+) 18...Nh4 (18...Rc8 19.d5 (19.Rb7?? Na5-+) 19...Ne5 20.fe5 Be5 21.f4 (21.de6?? Qh2 22.Kf1 Qh1; 21.Rb7 Qh2 22.Kf1 Qh1) 21...Rc4 22.Qc4 (22.fe5?? Rg4 23.Kf2 Rg2 24.Ke1 Re2 25.Ke2 Rc8-+) 22...Ne3 23.Ne3 Qe3 24.Kg2 ed5 25.Rd5 Bf4 26.Rb3=+) 19.Ne1=+ b6 20.Rd3 (20.d5 ed5 21.Bd5 Ne7=+) 20...Qf5-/+ 21.Rbd1 (21.Rb5-/+) 21...Na5 (better 21...Nb4!? 22.Ra3 a5-/+) 22.Ba2= Bh6 (22...Rd7 23.d5 ed5 24.Bd5=) 23.d5 ed5 24.Rd5 (better 24.Bd5!? Bf4 25.Bf4 Qf4 26.e6 Qg5 27.Rg3=+) 24...Rd5-/+ 25.Rd5 Qe4?? (better 25...Bf4 26.e6 Qe6-/+) 26.f3= Qb4 (26...Qa4 27.Bf2 Nf5 28.e6+=) 27.Nd3 (27.Bf2 Nf5+=) 27...Qa4 (27...Qe7 28.Bf2=) 28.e6 (better 28.Bf2!? Nf5 29.e6+=) 28...fe6=+ 29.Ra5? (better 29.Rd6 Kh8 30.Ne5=+ (worse 30.Re6 Bg7-/+)) 29...Qa5-+ (29...ba5?! 30.Nc5 Qa3 31.Ne6-/+) 30.Be6 (30.Bf2 Nf5 31.Be6 Kh8-+) 30...Kh8 31.Bd4 (31.Kf2 Bg7-+) 31...Bg7 32.Bg7 Kg7 33.Qb2 (33.Kf2 Qa1 34.Bg4 Qd4 35.Kf1 h5-+) 33...Kh6 34.Kf2 Qh5 (34...g5 35.Bc4-+) 35.Bg4? (35.Ne5 Rf4 36.Ng4 Rg4 37.fg4 Qc5 38.Ke2-+) 35...Qd5 36.Qa3 (36.Qe5 Qa2 (36...Qd3?! 37.Qg5 Kg7 38.Qe5 Kg8 39.Qe6 Rf7 40.Qe8 Kg7 41.Qe5 Rf6 42.Qe7 Kh6 43.Qf6 Qc2 44.Kg3 Nf5 45.Bf5 Qf5 46.Qh4 Qh5 47.Qe7=+) 37.Nb2 Nf5-+) 36...Rf7 (better 36...Qd4 37.Kf1 Rd8 38.Ne1 Qc4 39.Kf2 Qf4 40.Kf1-+) 37.Kg3 (37.Ke3 Ng2 38.Kf2 Nf4 39.Nf4 Qd4 40.Ke2 Qf4-+) 37...Nf5 38.Kh3 (38.Bf5 gf5 39.Qc3 a5-+) 38...Kg7 (better 38...Qc4 39.Bf5 Rf5 40.Kg3-+) 39.Ne5 Rc7 40.Bf5 gf5 41.Qa1 (41.Qb2 Kh6 42.Qb1 Qe6-+) 41...Kg8 (41...Qd6 42.Qb1-+) 42.Qa4 (42.Qb1 Qe6 43.Qd1 Kg7-+) 42...Qd6 43.Kg3 (43.Qe8 Kg7-+) 43...Kf8 (better 43...Rg7 44.Ng4 Qe6-+) 44.Kf2 (44.h4 a5 45.Kh3 Qd2 46.Qa3 Kg7-+) 44...Qd5 (44...Qd2 45.Kg3 Rg7 46.Ng4 Qe1 47.Kg2 Qe2 48.Kg1 fg4 49.Qb4 Kg8 50.Qb3 Kh8 51.Qd5 gf3 52.Qg5 Qe1) 45.Kg3 (45.Ke2-+) 45...Rg7 46.Kh3 Qd6 47.Nd7 (47.Qc6 Qc6 48.Nc6-+) 47…Rd7 (47...Rd7 48.Qc2 Qh6 49.Kg2 Qf4-+) 0–1. Baldvinsson,Loftur (1970) – Perelshteyn,E (2505), Reykjavik Open (1), 2017. (=1.e4 c5 2.b4?? cb4-/+ 3.d4 d5 4.e5 Nc6 5.a3 ba3 6.Na3 g6)

    6.ed5 Qd5

    7.Bb2 e6 8.Nf3 Nf6 9.Nb5 Qd8 10.Ne5 a6 11.Nc6 bc6 12.Nc3 Be7 13.Bc4 0-0 14.0-0 Nd5 15.Ne4 a5 16.f4? (better is 16.Ba3-/+) 16...Ne3-+ 17.Qd3 Nf1 18.Rf1 Qb6 19.Ba1 Ba6 20.Ba6 Ra6 21.f5 ef5 22.Rf5 Ra7 23.c4 Rb8 24.Rf1 Rd7 25.Qf3 Rf8 26.c5 Qc7 27.Qg4 Rd5 28.Rf6 (28.Nc3 Rg5 29.Qf3 Qd7-+) 28...Kh8 (better is 28...Qb8 29.Rf1 f5-+) 29.Rf1 Qd7 30.Qf3 f5 31.Qf2 Qd8 32.Nd2 Bc5! 33.Nf3 Bb4 34.Ne5 Qd6 35.Qh4 Qf6 36.Qf2 Qd6 37.Qc2?? Qh6 38.h3 Qe6 39.Nc6 Rc8 40.Rc1 h6 41.Qa4 Qe3 42.Kh2 Bd6 43.Ne5 Qf4 44.g3 Qf2 45.Kh1 Rc1 (45...Rc1 46.Qd1 Rd1) 0–1. Nasikan,Nikolai – Kornienko,Olga, Kiev Independence Cup–B 6th, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.ed5 Qd5)

    7.Nb5 Qd7 8.d5+/- Ne5 (8...Nb4!? 9.Ra7 Ra7 10.Na7 Kd8+=) 9.Bf4 (worse is 9.Na7 Qg4+=) 9...f6 10.Be5 (worse is 10.Ra7 Ra7 11.Na7 Qf5 12.Bb5 Bd7+/-) 10...fe5 11.Qh5 Kd8 12.Qe5 (12.Ra7?! Ra7 13.Na7 Qd5 14.Nc8 Nf6=) 12...a6 13.Nf3 e6? (better is 13...Qf5 14.Qc7 Ke8+-) 14.de6 Qe6 15.0-0-0 Ke7 16.Qg5 (16.Qc7 Kf6 17.Qf4 Qf5 18.Qd4 Kg6 19.Nh4 Kh5 20.Be2 Qg4 21.Qe5 Kh6 22.Bg4 Bg4+-) 16...Qf6 17.Qc5 Kf7 18.Ne5 Ke6 (18...Qe5 19.Qe5 ab5+-) 19.Nd4# 1–0. Romashov,Anton – Tokarchuk,Nikolay, UKR–ch sf U14, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    7.Nb5 Kd8 8.c4 Qe4 9.Be3 a6 10.Nf3 Qg4?? (better is 10...Nb4 11.Na3 Bg4=) 11.d5+- Nb4 (11...Bd7 12.h3 Qf5 13.dc6 bc6+-) 12.Bb6 Kd7 13.Nc7 (13.Ne5 Ke8 14.Nc7 Kd8 15.Nf7 Kd7 16.Qg4 e6 17.Qe6) 13...Rb8 (13...Qe4 14.Qe2 Nc2 15.Kd2 Qe2 16.Be2 f6+-) 14.Qa4 (14.Ne5 Kd8 15.Nf7 Kd7 16.Qg4 e6 17.Qe6) 14...Kd6 (14...Nc6 15.dc6 Kd8 16.Ne6 Ke8 17.c7 Bd7 18.cb8Q) 15.c5 1–0. Tsaknis,Vasilios – Sabris,Ioannis, GRE–ch U12 Kallithea, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5)

    7.Nb5 Kd8 8.Bf4 Bd7 9.Nf3 Qe4 10.Be3 Nb4 11.Rc1 Nd5 12.Qd2 Ne3 13.fe3 f6 14.Bd3 Qe6 15.0-0 Nh6 16.c4 Ng4 17.e4 g6 18.d5 Qa6 19.Rb1 Qb6 20.Kh1 Bh6 21.Qe2 Qe3 22.Qc2 Qc5 23.h3 Ne3 24.Qf2 b6 (better is 24...Bb5 25.Rb5 Qa3-+) 25.Rfe1= Rc8 26.Na7 Nc4 27.Qc5 Rc5 28.Bc4 Rc4 29.Rb6 Bf4 30.Reb1 Re8 31.R6b4 ½–½. Boettcher,Ulrich (2020) – Pohlers,Juergen (2140), Bad Woerishofen op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5)

    7.Nb5 Qd8? 8.Bf4 (better is 8.d5 Nb4 9.Bf4+-) 8...e5+= 9.de5 Bb4 (9...Bf5!?+=) 10.c3+/- Ba5 (10...Qd1 11.Kd1 Bc3 12.Nc3+-) 11.Bc4 (11.Nd6 Kf8 12.Qc2 Nge7+/-) 11...Qe7? (11...Qd1 12.Rd1 Kf8 13.Ne2+=) 12.Ne2 (12.Nf3 Kf8 13.Qd3 Bb6+-) 12...Bg4 (12...Kf8 13.e6! Be6 14.Bd6 Bc4 15.Be7 Nge7 16.Qa4 Be2 17.Ke2+-) 13.e6 (better is 13.Nd6 Kf8 14.f3+-) 13...fe6+/- 14.f3 e5 15.Nd6 (15.fg4 ef4 16.Bg8 Rd8+/-) 15...Kf8 16.fg4?? (16.Be3 Bh3 17.0-0+/-) 16...ef4+/- 17.Bg8?? (17.Qd2 Rd8 18.Rd1+=) 17...Bc3-+ (17...Rg8 18.0-0 g5 19.Nf4 Qe3 20.Kh1 gf4 21.Qd5+-) 18.Kf1 Ba1 19.Nf5 Qf6 (19...Qe5 20.Bb3 Re8 21.Qd3-+) 20.Ba2 (20.Bd5 g6 21.g5 Qe5 22.Bc6 bc6-+ (22...Qf5 23.Qa1 Kf7 24.Qa2 Ke7 25.Qa3 Kd8 26.Qd6 Kc8 27.Kf2=; 22...gf5 23.Bf3-/+)) 20...g6 21.g5 Rd8 22.Qc1 Qf5 23.Qa1 Qe5 24.Qb1 Re8 25.Bc4 Rd8 26.h4?? a6 27.Rh3 b5 28.Bd3 Kg7 29.Qc1 Nb4 30.Bb1 Nd5 31.Ra3 Ne3 32.Kf2 Rd1 (32...Rd1 33.Qd1 Nd1 34.Kf1 Re8-+) 0–1. Chulivska,Vita (2055) – Sluzhbina,Anastasiya, UKR–ch U14 Girls, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    7.Nb5 Qe4 8.Qe2 Qe2 9.Be2 +/-.

    6.e5 Bf5

    7.c3 a6 8.Bd3 Bd3 9.Qd3 e6 10.Ne2 Nge7 11.0-0 b5 12.f4 h5 13.Qh3 b4 (13...Nf5 14.Ng3 Ng3 15.Qg3-/+) 14.cb4+= Nf5 15.Nc2 Qb6 16.Rd1 Rh6 17.Kh1 (17.Ba3 h4= (worse is 17...Bb4 18.Bb4 Nb4 19.Rdb1+/-)) 17...h4 18.Qb3 (18.Bd2 Qb7= (18...Ncd4? 19.Ned4 Nd4 20.Be3+-; 18...Nb4? 19.Bb4 Bb4 20.Rdb1+-; worse is 18...Bb4 19.Rdb1+-; 18...Nfd4? 19.Be3+-)) 18...Rb8 (18...Bb4 19.Bd2 Bc5 20.Qa4+=) 19.Ne3 (19.Bd2!?=) 19...Qb4-/+ 20.Qd3 Qb3 (20...Ne3!? 21.Be3 Qb5-/+) 21.Qa6= Nd8 (21...Ne3?? 22.Qc6 Kd8 23.Ra7+-) 22.Rd3 Qb5 23.Qb5 Rb5 24.Rc3 (better is 24.Nf5!? ef5 25.Nc3+/-) 24...Ne3= 25.Re3 f5 26.ef6 Rf6 (26...gf6 27.f5 Combination; 26...Rf6 27.Nc3 Combination) 27.Nc3 Rb3?? (better is 27...Rb7 28.g3 Kd7=) 28.Nd5+- Re3 29.Nf6 (29.Nf6 gf6 30.Be3+-; 29.Ne3 Rf4 30.Bb2 Re4+=) 1–0. Lukac,Roman (2115) – Bednar,Jan (2140), SVK–chT1W, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.e5 Nc6 6.d4 Bf5)

    7.c3 a6 8.Ne2 e6 9.Nc2 f6 10.f4 Nh6 11.Ng3 fe5 12.fe5 Qh4 13.Bh6 gh6 (13...Bc2!? 14.Qc2 Qh6+= (worse is 14...gh6 15.Qb2 Rb8 16.Be2+=)) 14.Ne3 Bg6 15.Bb5 Rc8 16.Be2 Rc7 17.0-0 Bg7 (17...Qg5 18.Qd2=) 18.Nh5 Rf8 19.Ng7 Rg7 20.Rf8 Kf8 21.Bf3 Qg5 22.Qe2 h5 23.Rf1 Rf7 24.Nd1 Ne7 25.Nf2 Nf5 26.Nh3 Qe3 27.Qe3 Ne3 28.Re1 Nc2 29.Rc1 Rc7 30.Ng5 (30.Bh5!? Rc3 31.Bg6 hg6 32.Nf4-/+) 30...Nd4! 31.Rf1? Nf3-+ 32.Rf3 Ke7 33.Rf6 Rc6 34.Nf3 Rc3 35.Nd4 Bf7 36.Rh6 Bg6 0–1. Illig,Ursula (1750) – Prestel,Oliver (2185), Bad Woerishofen op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.e5 Nc6 6.d4 Bf5)

    7.c3 e6 8.Nf3 Be7 9.Be2 a6 10.0-0 b5 11.Nc2 Be4 12.Nd2 Bg6 13.Ba3 Bg5 14.Bc5 Bf4 15.Nb4 Nb4 16.cb4 Qd7 17.Nb3 Ne7 18.Ra5 0-0 19.Qa1 Qb7 20.Bd6 Rfc8 21.Nc5 Rc5 22.Bc5 (worse is 22.dc5 Nc6+=) 22...Nc6 23.Ra3 Bc2 24.Qb2 Ba4 25.Rfa1 Qc7 26.Bd3 Rc8 27.g3 Bg5 28.f4 Bd8 29.Rc3 a5 30.ba5 Qa5 31.Rca3 Rb8 32.Qc1 Rc8 33.Qb1 h5 34.Bb5! Qb5 35.Ra4 Qe2 36.Qe1 Qd3 37.R4a3 Qc2 38.R1a2 Qc4 39.Qf1 Rb8 40.Ra8 Qb3 41.Rb8 Qb8 42.f5 ef5 43.Qf5 g6 44.Qd3 Kg7 45.Ra6 Qb7 46.Qf1 Bg5 47.h4 Bd8 48.e6! f5 49.Qe2 Qc7 50.Rc6! Qg3 51.Kf1 Qh3 52.Qg2 Qd3 53.Kg1 Bh4 54.Rc7 Kh8 55.e7 Qd1 56.Kh2 Be7 57.Re7 Qg4 58.Qg4 hg4 59.Bd6 Kg8 60.Rd7 Kh8 61.Kg3 (61.Kg3 Kg8 62.Kf4+-) 1–0. Fournier,Frederic (2215) – Bruscato,Rodrigo (1990), LIAPE A–006 email, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 Bf5)

    7.c3 e6 8.Nf3 Nge7 9.Be2 Ng6 10.0-0 Be7 11.Ne1 h5 12.Nac2 (12.Bh5 Ba3 Decoy) 12...Bc2 (12...a5!?=+) 13.Nc2+= h4 (13...a5 14.Bh5 a4 15.Be2+=) 14.f4 0-0 (14...h3 15.g3+=) 15.f5 ef5 16.Rf5 Rc8 (16...a5 17.Bf3+=) 17.Bd3 (17.Bf3 h3 18.g3 Nge5 19.de5 g6+=) 17...Qb6 18.Kh1 (18.Rf2 Nge5 19.Bf5 Rcd8=) 18...h3= 19.Ne3 (19.gh3 Na5 20.Bd2 Nc4 21.Bc4 dc4+=) 19...hg2 (19...Nb4 20.cb4 Qd4 21.Ra3 Bb4 22.Rb3=) 20.Ng2 Nd8 (20...Bd8 21.Rb1 Qa5 22.Bd2+/-) 21.Bd2+= f6?? (better 21...Ne6+=) 22.Rb1+- Qe6 (22...Qc6 23.Qh5 Nf7 24.Qg6+-) 23.Qh5 fe5 (23...Rc6 24.Ne3 Ba3+-) 24.Qg6! e4 (24...Qg6 25.Rf8 Double attack (25.Rf8 Decoy)) 25.Rf8 Bf8 26.Qe6 Ne6 27.Be2 b6 28.Bg4 Re8 (28...Rc6 29.Bd1 Rd6 30.Ne3+-) 29.Be6 (better 29.Ra1 a5 30.Rb1+-) 29...Re6 30.Ne3 Bd6? (better 30...Rd6+-) 31.Nd5 Rg6 (31...Bf8 32.Bf4+-) 32.Re1 Rg4 (32...Re6 33.Ra1 Bb8 34.Kg2+-) 33.Ne3 (33.c4 Rh4 34.Re2 Rh3+-) 33...Rh4 34.Re2 (34.Nf1 Kf7+-) 34...g6 (34...Rh5 35.Nf1 a5 36.Kg2+-) 35.Be1 (35.Nd5 Kf7 36.Bg5 Rh8+-) 35...Rh5 36.Kg2 (36.Nc4 Bc7+-) 36...Kf7?? (better 36...Rh2 37.Kf1 Kf7+/-) 37.Bg3+- Ke6 (37...Rg5 38.Nc4 Bc7 39.Nd2 Bg3 40.hg3+-) 38.c4 Bg3 (38...b5 39.d5 Ke7 40.cb5+-) 39.hg3 (39.Kg3 b5 40.cb5 Rb5+-) 39...g5 (39...b5 40.Nd5 Kd6 41.Nf6+-) 40.Ra2 (40.Ra2 Rh7 41.Nd5+-) 1-0. Kanakaris,G (2400) - Arpita,Mukherjee (2205), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5)

    7.Bd3 Bd3 8.Qd3 e6 9.Nf3 f6 10.0-0+= fe5 11.de5 Bc5 (11...Qd7 12.Nb5 Nb4 13.Qe2 Nc2 14.Ra7 (worse 14.Qc2 Qb5 15.Ng5 Qd7+=) 14...Ra7 15.Na7+=) 12.Nb5+- a6 (12...Qd7 13.Ba3 Ba3 14.Qa3+- (worse 14.Na3 Nge7-/+)) 13.Bg5 (better 13.Ba3+-) 13...Nge7+= 14.Nbd4 (better 14.Be3!? Bb4 15.c3 ab5 16.cb4 Ra1 17.Ra1=) 14...Bd4-/+ 15.Nd4 Nd4 (15...Ne5? 16.Qg3 Nc4 17.Ne6+-) 16.Qd4 Nc6 17.Qh4 Qc7 18.Qg4 Qf7 (18...Qe5?! 19.Rfe1 h5 20.Re5 hg4 21.Re6 Kf7 22.Rd6=) 19.f4 Nd4 (19...0-0 20.c3-/+) 20.f5 (20.c3!? Nf5 21.Qh3-/+) 20...Nf5-/+ 21.Qa4 Qd7 22.Qd7 Kd7 23.g4 h6 24.Bd2 Nd4 (24...Ne7 25.Rf7 Rhf8 26.Raf1 Rf7 27.Rf7-/+) 25.Rf7 Kc6 26.Be3 (26.Ra4 Nc2 27.Ra2-/+) 26...Nb5-/+ (26...Nc2? 27.Rc1 d4 28.Rc2 Kd5 29.Rd7 Ke4 30.Bd4+-) 27.Rg7 (27.Ra4!? Rhg8-/+) 27...Rag8-+ 28.Bh6 Rg7 29.Bg7 Rg8 30.Bf6 Rg4 31.Kf2 Rc4 32.h4 Rc2 33.Kg3 Nd4 34.Kg4 Nf5 (better 34...Rg2 35.Kf4 Ne2 36.Kf3 Rh2-+) 35.Kh5? (better 35.Rh1 d4 36.h5-+) 35...d4 36.Kg6 d3 (better 36...Kd5-+) 37.Rd1 Rg2 (37...Rc3 38.h5-+) 38.Kf7 d2 39.Bg5 Re2 (better 39...Rf2!? 40.Kg6 Kd5 41.Bd2 Nh4 42.Kh5 Ke5 43.Kh4 Re2-/+) 40.Ke6=+ Nd4 41.Kf6 (41.Kf7!? Rf2 42.Ke8=+) 41...Nf3 42.e6 Ng5 (better 42...Re1 43.Rd2 Nd2 44.Bd2 Re2-/+) 43.hg5?? (better 43.Kg5 Kd6 44.Kf4=+) 43...Kd6-+ 44.e7 (44.g6 Rf2 45.Kg7-+) 44...Rf2 45.Kg7 Ke7 46.g6 b5 47.Kg8 Rg2 48.g7 Kf6 49.Rf1 (49.Kf8 Rg7 50.Rd2-+) 49...Ke5 50.Rb1 (50.Kf7 Ke4 51.g8Q Rg8 52.Kg8 Kd3-+) 50...Kd4 51.Kf7 Kc3 52.Ra1 Kb2 53.Ra6 (53.Rh1-+) 53…d1Q (53...d1Q 54.g8N Qd5 55.Re6 Re2 56.Kg7 Qe6 57.Nf6 Rg2 58.Kf8 Rg5 59.Nd5 Rg8) 0–1. Roche Peris,Eduard (1795) – Martin Vilanova,Jordi (1915), 18th Obert Internacional Sant Marti Gro, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 Bf5)

    7.Nf3 e6 8.c3 Be7 9.Be2 a6 10.0-0 h5 11.Nc2 g5 12.Ne3 Bg6 13.Qb3 Qd7 14.Ba3 g4 15.Ne1 Ba3 16.Ra3 Nge7 17.Nd3 0-0 18.Nc5 Qc8 19.Qb6 Ra7 20.f3 gf3 21.Rf3 Kg7 22.Bd3 Qd8 23.Qb2 Qc8 24.Bg6 Ng6 25.Qf2 b6 26.Nd3 Nce7 27.Qg3 h4 28.Qg5 b5 29.Ng4 Ng8 30.Nf4 Qd8 (30...Kh7 31.Ng6 fg6 32.Qh4 Kg7+-) 31.Nh5 (31.Nh5 Kh7 32.Nhf6 Kg7 33.Qh5+-) 1–0. Dahl,Pierre – Istomin,Sergei (1810), IECG, 2002. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 ba3 6.Na3 Bf5)

    7.g4 Bg6 8.h4 h5 9.e6 fe6 10.Bd3 Bd3 11.Qd3 hg4 12.Qg6 Kd7 13.Ne2 Nf6 14.c3 Qe8 15.Qd3 Ne4 16.Ng3 Nd6 17.Qe2 Qf7 18.Qg4 g6 19.Bf4 Bh6 20.Bh6 Rh6 21.Rh2 (21.Nc2 Rf8 22.Qe2 Qf3 23.Qf3 Rf3-+) 21...Rah8 22.Ke2 Qf6 23.Rah1 Kc7 24.f4 Kb8 25.Nc2 Nb5 26.Kd3 Na5 27.Ne1? (better is 27.Ne3-+) 27...Rc8 28.Ne2 Rc3! 29.Nc3 Qd4 30.Ke2 Nc3 (worse is 30...Qc3 31.Rh3 Nd4 32.Kf1 Qc4 33.Nd3-+) 31.Kf3 Nc4 0–1. Mordiglia – Quirini,Luciano, ITA corr, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 ba3 6.Na3 Bf5)

    5.d4 d6

    6.c3 Nc6 7.Na3 Nf6 8.Bd3 g6 9.Be3 Bg7 10.f3 0-0 11.h4 h5 (11...Bd7 12.Ne2-/+) 12.Qd2 a6 13.Ne2 Rb8 14.Bh6 b5 15.Bg7 Kg7 16.d5 Ne5 17.Nd4 Bd7 18.Nac2 a5 19.Be2 Qc7 20.Ne3 Rfc8 21.Rc1 (21.Kf2 a4 22.Rhb1-+) 21...b4 22.c4 b3 23.Nef5?? (23.Qb2-+) 23...gf5 24.Qg5 (24.Rb1 a4 25.0-0 fe4-+) 24...Kh7 25.g4 (25.Nf5 Bf5 26.Qf5 Kh8 27.Qg5-+) 25...Rg8 26.Qf4 fg4 27.fg4 (27.Nf5 Bf5 28.Qf5 Kh8 29.fg4 b2-+) 27...Rg4 (27...Rg4 28.Qf2 Re4-+) 0–1. Winter,Kevin (1800) – Horton,Jamie A (2045), 2nd 4NCL Congress, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d6)

    6.c3 g6 7.Bd3 Bg7 8.Bd2 Nf6 9.Nf3 0-0 10.h4 (10.0-0 d5 11.ed5 Nd5+=) 10...h5 11.d5 Ne5 12.Ne5 de5 13.Qc2 (13.0-0 e6 14.c4 Ng4+=) 13...Bd7 (13...e6!? 14.de6 Be6-/+) 14.0-0+= e6 15.c4 Rc8 (15...ed5 16.cd5 Ng4 17.g3+=) 16.Qb3= b6 17.Bb4 (17.Rfd1 a5=) 17...Re8+= 18.Bd2 ed5 19.cd5 Bf8 20.Bg5 Be7 21.Nc4 Qc7? (better is 21...b5!? 22.Ne5 Ne4 23.Be7 Qe7 24.Nd7 Qd7 25.Bb5 Qb7=) 22.d6!+- Bd6 23.Bf6 Be6 24.Rfc1 Qd7 25.Qb1 Bc5 (25...Bb8 26.Na3 Rf8 27.Ba6 Rc1 28.Qc1+-) 26.Ne5 Qb7 (26...Qd4 27.Kh1 Bd6+-) 27.Ba6 (27.Ba6 Qa8 28.Bc8 Rc8 29.Qd3+-) 1–0. Valverde,Mario (2055) – Fares,Rodolpho, CiF, 2008. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 Nc6)

    6.c3 g6 7.Bd3 Bg7 8.Bd2 Nf6 (8...a6 9.Nb1+=) 9.f4 (9.h3 Bd7+=) 9...0-0 (9...a6 10.Nb1+=) 10.Nf3 (10.Qf3 Bh6-/+) 10...Bd7 (10...Bg4 11.Rb1+=) 11.0-0 (11.Qb1 Rb8+=) 11...e6 (11...Qc8 12.Qb1+=) 12.Qb1 b6 13.e5 Ne8 14.Nc4 d5 15.Ne3 f5 (15...Ne7 16.Bc1=) 16.ef6 (16.c4 Nc7=) 16...Nf6 17.Rf2 (17.Bc1 Ne7=) 17...Rc8 (17...Qc7 18.Rf1+=) 18.Ne5 (18.Bc1 Qc7+=) 18...Rc7 (18...a5 19.Nf3+=) 19.Qa2 (19.Nf3 Bh6 20.g3 Kh8+=) 19...Ne7 (19...Nh5 20.Nd1+=) 20.g4 (20.Nd1 Bc8+=) 20...Nc8 (20...Ne8 21.Nd7 Rd7 22.Bc1-/+) 21.g5 Nh5-/+ 22.N3g4 Ne7 23.Re1 Nf5 24.Nd7 Qd7 25.Qb3 Nh4 26.Ne5 Qc8 27.Qd1 Be5 28.Re5 Ng7 29.Qa4 0–1. Matseyko,Ekaterina (2130) – Shevchenko,Tanya, UKR–ch U18 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    6.c3 g6 7.Bd3 Bg7 8.h4 Nf6-/+ 9.Ne2 Bd7 10.Bg5 a6 11.Qc1 h5 (11...b5 12.Qd2-/+) 12.0-0+= 0-0 13.Nc2 b5 14.Bh6 Ng4 15.Bg7 Kg7 16.f3 Nf6 17.Ne3 Qb6 18.f4 Rac8 19.e5 de5 (19...Ng4 20.Nd5 Qb7 21.ed6 ed6 22.f5 Nd4 23.f6 Kh7 24.Nd4 Qd5 25.Ra6-/+) 20.fe5= Ng4 21.Nd5 Qb7 22.Be4 Be6 23.Ndf4 Bc4 24.Nh5 Kh7 (24...Kh8 25.Nhf4 Be2 26.Bc6 Qc6 27.Ne2=) 25.Qg5+= Nh6? (25...Nge5 26.de5 f5 27.ef6 Qa7 28.Kh1 Ne5 29.Qe5 e6+-) 26.Nhf4+- Rg8 27.h5 Nf5 (27...Rg7 28.hg6 Kg8 29.Qh6 e6+-) 28.hg6 fg6 29.Bf5 gf5 (29...Ne5 30.Qh4 Kg7 31.Nh5 Kh8 32.Nf6 Kg7 33.Qh7 Kf6 34.Bc8 Nf3 35.Rf3 Qf3 36.Ra6 e6 37.gf3 Rg7 38.Qh4 Kf7 39.Qd8 g5 40.Ra7 Kg6 41.Qe8 Kh7 42.Qh5 Kg8 43.Be6 Rf7 44.Qf7 Kh8 45.Qf6) 30.Qf5 Kg7 (30...Rg6 31.Qg6 Kh8 32.Kf2 Be2 33.Rh1 Bh5 34.Rh5) 31.Qg6 (31.Qg6 Kh8 32.Qh6) 1–0. Husarik,Branko (2105) – Zakoucka,Adela (1970), CZE–chT2c, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6 5.Na3 Nc6 6.c3 g6)

    6.c3 g6 7.d5 Na5 +=.

    6.c3 g6 7.f4 Bg7 8.Nf3 Nh6 9.Bc4 (9.Bd3 0-0=) 9...0-0 10.0-0 Bg4 (10...a6 11.Bd3+=) 11.Qe1 (11.h3 Bd7=) 11...Bf3 (11...e6 12.Bd3=) 12.Rf3= Nd4 (12...e6 13.Bd3=) 13.cd4 Bd4 14.Be3 Ba1 15.Qa1 Ng4 16.Bd4 e5 17.fe5 Ne5 18.Be5 (18.Rf1 Qa5+=) 18...de5= 19.Qe5 Rc8 20.h3 (20.Kf2 Qb6 21.Ke2 Qg1=) 20...a6 21.Bd5 (21.Qb2 b5 22.Bd5 Qc7+=) 21...Rc1+= 22.Kf2 b5 (22...Qb6 23.Kg3 Qc7 24.Qc7 Rc7 25.Nc4=) 23.Rf6 b4 (23...Rd1!?=) 24.Nc4+/- b3 (24...Qd7 25.Kg3 Rc3 26.Kh2+-) 25.Nd6 Rc2? (25...Rc7 26.Kg3 Qb8 27.Kh4+/-) 26.Ke3 (better is 26.Kg3!? Rc7 27.Bb3+-) 26...Rc7 27.h4 (27.Bb3!? Qb8 28.Qb2 Qb6 29.Kf4+/-) 27...Re7+/- 28.Qg3?? (better is 28.Qb2 Qa5 29.Kf4+=) 28...b2-+ 29.Rg6 (29.Ba2 b1Q! 30.Bb1 Qb6 31.Kf3 Qb1 32.Kg4 h5 33.Kh3 Qh1 34.Qh2 Qh2 35.Kh2-+) 29...hg6 (better is 29...Kh8 30.Ke2 hg6 31.Qc3 Kh7 32.Qb2 Qd6-+) 30.Qg6 Kh8 31.Qh6 1–0. Capron,Daniel (2100) – Ballester,Regis (1830), Montdidier FRA, CNCF Ch, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6)

    6.d5 Nb8 7.Nb5 Na6 (7...Nf6!?=) 8.Be3+= Nf6 9.Na7 Bd7 10.Ba6 (10.f3 Nc5 11.e5 Qb6 12.ef6 Ra7 13.Ra7 Qa7 14.fg7 Bg7=) 10...ba6= 11.f3 (11.Ra6 Ne4 12.f3=) 11...g6 (better is 11...a5!?=) 12.Ra6+/- Bg7 13.Ne2 0-0 14.Qd3 Bc8 (14...Qb8 15.Nc3+/-) 15.Nc8 Qc8 (15...Ra6 16.Qa6 Qc8 17.Qc8 Rc8 18.Kd2+/-) 16.Ra8 Qa8 17.0-0 Nd7 18.Qb5 Ne5 19.Rb1 h5 (19...Rc8 20.Qb7+/-) 20.Nd4 (20.f4 Ng4 21.Bd4 Qa2+/-) 20...Rc8 (20...Qa2 21.Rb3+-) 21.Qb7 Qb7 22.Rb7 Bf6 23.Kf2 Rc3 24.Rb3 Rc4 25.Ke2 Ra4 26.Nc6 (26.Rb7 Ra2+/-) 26...Ra2 (26...Nc6 27.dc6 Rc4 28.Rb6+/-) 27.Ne5 (27.Nb4 Ra4+-) 27...Be5+/- 28.f4 (28.Kd2 Bh2 29.Rb7 e6+=) 28...Rc2+= 29.Kd3 Rb2 30.Rb2 Bb2 31.Bd4 Bc1 32.g3+/- h4 33.Be3 hg3 34.hg3 Bb2 35.Bd4 Ba3 36.Kc3 ½–½. Zajarnyi,Anatolyi – Nevednichy,Vladislav (2495), Chisinau op, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6)

    6.d5 Nb8 7.f4 Nf6 8.Qd4 Qb6 9.Qc4 Bd7 10.e5? (10.Nb5 Kd8=) 10...Ng4 11.Nb5 Qb5 (better is 11...Qf2 12.Kd1 Na6-/+) 12.Qb5+= Bb5 13.Bb5 Kd8 14.h3 Nh6 15.Be3 Nd7 16.Ba7 e6 17.Nf3 de5 18.Ke2 e4 19.Ne5 Ra7 20.Ra7 Ne5 21.fe5 ed5 22.Rb7 Nf5 23.Ra1 Kc8 24.Rba7 (better is 24.Rf7 Nd4 25.Kd1+-) 24...Bc5?? (better is 24...Nd4 25.Kd2 Nb5 26.Rf7 Bb4 27.Kd1 Ba3-/+) 25.Bd7 (25.Bd7 Kb8 26.Ra8 Kc7 27.Bf5 (27.Rh8?! Kd7 28.Ra5 Nd4 29.Kd1 Ne6+-) 27...Ra8 28.Ra8+-) 1–0. Zajarnyi,Anatolyi (2355) – Negureanu,Dan (2265), Bucharest TICC, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    6.d5 Ne5 7.f4 Nd7 8.Nf3 =+.

    6.Be3 g6 7.Bd3 (7.d5!? Nb8 8.Nb5+=) 7...Bg7=+ 8.c3 Nf6 9.f3 0-0 10.Ne2 a6 11.0-0 Bd7 12.Kh1 b5 13.d5 Ne5 14.Nc2 e6 15.de6 Be6 16.Ncd4 Bc4 17.Bc4 Nc4 18.Bg1 Qc7 19.Qc2 d5 20.ed5 Nd5 21.Rfd1? (better 21.Rfe1-+) 21...Nde3 22.Qe4 Nd1 23.Rd1 Rfe8 24.Qd5 Rad8 25.Qc6 (25.Qg5 Re2! 26.Ra1-+) 25...Qc6 26.Nc6 Rd1 (26...Rd1 27.Nf4 Bh6-+; 26...Re2?! 27.Rd8 Bf8 28.Nb8-/+) 0-1. Joly,F (1955) - Morais,Ma (2060), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6)

    6.Nf3 a6 7.Bc4 e6 8.0-0 b5 (8...Nf6 9.Bd3+=) 9.Nb5= ab5 10.Ra8 bc4 11.Re1 (11.Qe2 c3=) 11...Qc7 12.d5 Na7?? (better is 12...Nd8=) 13.Be3+- Nb5 14.Bb6 Qb7 (14...Qb6 15.Rc8 Double attack) 15.Qa1 e5? (better is 15...Nf6 16.Qa5 Nc3+/-) 16.Qa4 Qd7? (16...Ke7 17.Qa5 f5 18.Rb1+-) 17.Nd2 (better is 17.Rb1!? Ne7 18.Rb5 f5+-) 17...c3 18.Nc4 Nf6 (18...Ke7 19.Rb1 Kf6 20.Qb5+-) 19.Na3 (19.Qa6 Ke7 20.Rc8 Ne8 21.Bd8 Qd8 22.Rd8 Kd8 23.Qb5 Ke7+-) 19...Na3 (19...Be7+-) 20.Rc8 Ke7 21.Rc7 Nc2 (21...Qc7 22.Bc7 Ne8 23.Bb6 Nc2 24.Qc2+-) 22.Rd7 (better is 22.Qa8 Nh5 23.Qc8 Kf6 24.Qd7 g6+-) 22...Nd7 23.Qc2 Nb6 24.Qc3 Nd7 25.Ra1 h5 26.Ra7 g5 27.Qc6 Rh7 28.Rd7 Kf6+- 29.Qc3 g4 30.f4 Rg7 31.fe5 de5 32.Qc6 Kg5 33.d6 h4 34.Rd8 Bd6 35.Rd6 h3 36.Qc1 Kh5 37.Qh6 1–0. Gruenwald,Max – Binner,Jule, Oberhof GER, Ch U25 B, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6)

    6.Nf3 g6 7.d5 Bg7 8.Rb1 Ne5 9.Bb5 Bd7 10.Bd7 Qd7 11.0-0 Nf3 12.Qf3 Nf6 13.Nb5 0-0 14.Be3 a6 15.Nd4 Ng4 16.Rb6 Ne3 17.Qe3 Rfc8 18.c3 Qc7 19.Rb3 Bd4 20.Qd4 b5 21.Rfb1 Qa7 22.Qd3 Rc4 23.h4 Qc5 24.g4? (24.Ra1 e6-/+) 24...Rc8 25.Ra1 Qb6 26.Rba3 Qc5 27.Kg2 (better is 27.Rb3!?=) 27...Rc3 28.Rc3 Qc3 29.Qc3 Rc3 30.Ra6 b4 31.Ra8 Kg7 32.Rb8 b3 33.Rb7 Kf6 34.f4 e5 35.g5 Kg7 36.fe5 de5 37.d6 Rd3 38.d7 Rd2 39.Kg3 b2 40.Rb2 Rd7 41.Rb6 Rd3 42.Kg2 Re3 43.Rb4 h6 44.Ra4 Rb3 ½–½. Truksa,Vaclav (1755) – Novy,Vaclav (1815), Most op–A, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6)

    6.c3 Nf6

    7.Bd3 e6 8.Ne2 Be7 9.0-0 0-0 10.f4 e5 11.h3 ed4 12.cd4 Nb4 13.Bb1 d5 14.e5 Ne4 15.Qb3 b6 ½–½. Pram,Imre (2080) – Dibusz,Ferenc (2180), HUN–chT2 Breyer, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6)

    7.Bd3 g6 8.Ne2 Bg7 9.0-0 0-0 10.Nc2 b6 11.f4 Bb7 12.Ne3 Na5 13.Ng3 Qd7 14.Ba3 Rfc8 15.Rc1 Rc7 16.h4 (16.f5 g5+=) 16...Rac8 17.Bb2 Bh6 18.Qe2 Nb3 19.Rc2 a5 20.d5 Nc5 21.Bb5 Qd8 22.c4 Bg7 23.e5 Nfe4 24.Ne4 Ne4 25.Qf3 Nc5 26.f5 (26.Qg3!?+=) 26...de5-/+ 27.fg6 fg6 28.Ng4 (28.Qf7 Kh8 29.Ng4-+) 28...e6-+ 29.Be5 Be5 30.Ne5 ed5 31.Ng4 Qf8?? 32.Nf6 Kh8 33.cd5 Rf7 34.Re2 Bd5?? 35.Qd5+/- Rf6 36.Qd4 Kg7?? 37.Ref2 Ne6?? 38.Qf6 Qf6 39.Rf6 Nd4 40.Rb6 Nb5 41.Rb5 Rc4 42.Rb7 Kh6 43.Rff7 Kh5 44.Rh7 Kg4 45.Rbc7 Rb4 46.Rc5 Rb6 47.Ra5 Kg3 48.Rg5 Kf4 49.Rf7 Ke4 50.Rg7 Kf4 51.R5g6 Rb1 52.Kh2 Kf5 53.h5 Rb4 54.Rf7 Ke5 55.Re7 Kf5 56.g4! Kf4 57.Rf7 Ke5 58.Rf2 Rb8 59.h6 Rh8 60.g5 Ke4 61.Rg7 Ke3 62.Rf6 Ke4 63.h7 Ke5 64.Rf2 Ke4 65.g6 Ke3 66.Rgf7 Rd8 67.g7 Rd4 68.R7f3 Ke4 69.Rf4 Ke5 70.Rd4 Ke6 71.g8Q Ke7 72.Qf8 Ke6 73.Qe8# (73.Qd6) 1–0. Ziegler,Alexander – Schwerteck,Florian, Wuerttemberg–ch U20, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.d4 Nc6 6.c3 Nf6)

    7.Bd3 g6 8.Ne2 Bg7 9.0-0 0-0 10.Bg5 a6 11.Qd2 b5 12.Nb5 (12.Rfb1 Bg4+=) 12...Na5-/+ 13.Na3 Nb3 14.Qe3 Na1 15.Ra1 Bb7 16.h3 (16.Nc4 a5-/+) 16...Qc7 17.f4 (17.Nc2 Rfb8-/+) 17...d5 18.Bf6 Bf6 19.e5 Bg7 20.f5 Bc8 (20...gf5 21.Bf5 e6 22.Bd3-/+) 21.g4 (21.Qf3 gf5 22.Qd5 Bb7-/+) 21...Rb8 (21...Bb7 22.Ra2-+) 22.Rf1 (22.Qf3 Bb7-/+) 22...Rd8 (22...gf5 23.gf5 Rd8 24.c4-+) 23.Nc2 (23.e6 Rf8-+) 23...e6 (23...gf5 24.gf5 Kh8 25.Nb4-/+) 24.f6 Bf8 25.h4 (25.Ra1 Rb2-/+) 25...Bd7 (25...Rb2 26.Ra1-+) 26.Ba6 Bb5 27.Bb5 Rb5 28.h5 Rb2 (28...Qc4 29.hg6 hg6 30.Ne1-/+) 29.hg6 fg6 (29...hg6?! 30.Ne1-/+) 30.Ne1 (30.f7 Kg7 31.Nb4 Bb4 32.cb4 Qe7+= (32...Rb4?? 33.Qg5 Rb1 34.Qf6 Kf8 35.Rb1+-)) 30...Rb1 (30...Rdb8 31.g5+=) 31.Qd3 Rdb8 32.Nf4 Qf7 33.g5 Ra1 34.Qh3 Rb6 35.Qd3 Rbb1 36.Qe3 Ba3 37.Nd5 Bc1 38.Qe2 Bg5 39.Ne7 Kh8 40.Qc4? Re1?? 41.Re1 Re1-+ 42.Kf2 Bh4 43.Kg2 Bf6! 44.ef6 Qf6 (44...Qf6 45.Qc8 Kg7 46.Qg8 Kh6 47.Qg6 hg6 48.Ng8 Kg5 49.Nf6 Kf6-+) 0–1. Frese,Heiko – Gasparian,Tigran (2260), Pyramiden Franken Cup, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6 6.c3 Nf6)

    7.Bd3 g6 8.f4 Bg7 9.Nf3 0-0 10.0-0 b6 11.Nc2 (11.e5 Nd5=+) 11...Bb7 (11...d5 12.e5 Ng4 13.Nb4 Nb4 14.cb4=+) 12.e5 Nd5 13.c4 Ndb4 (13...Nc7 14.d5 Nb8 15.Qe2=+) 14.d5 Nd3 (14...Nc2 15.dc6 (worse 15.Qc2 Nb4 16.Qb3 Nd3 17.Qd3 de5 18.Ne5 Qc7-/+) 15...Na1 16.cb7=) 15.dc6+= Bc6 (worse 15...Nc1 16.cb7 Rb8 17.Qc1 Rb7 18.Ncd4+-) 16.Qd3 Bf3 (16...de5 17.Qd8 Rfd8 18.Ne5=) 17.Qf3+= (17.Rf3?! de5 18.fe5 Be5=) 17...de5 18.fe5 Be5 19.Rb1 Qc7 20.Ne3 (better 20.Bh6!?+=) 20...Bh2=+ 21.Kh1 Be5 (21...Bd6 22.Bb2=+) 22.Nd5 (22.Ng4 f6 23.Ne5 Qe5= (worse 23...fe5 24.Qd5 e6 25.Qe6 Rf7 26.Ba3+-)) 22...Qc4 23.Rb4 (23.Ne7 Kh8 24.Bg5 f6=) 23...Qc5=+ 24.Be3 (24.Ba3 Rad8 25.Rd1 Qc2=) 24...Qd6-/+ 25.Rh4 (25.Rd1 f6-/+) 25...Rad8 26.Nf4 (26.Rd1 Rd7-/+) 26...Qf6 27.Qh3 (27.Rh3 Bf4 28.Bf4 e5-/+) 27...Rd3! 28.Rg4 (28.Nd3 Qf1 Pinning (28...Qf1 Deflection)) 28...h5! 29.Rg3 (29.Nh5 Qf1 Mate attack; 29.Qh5 Re3 Deflection) 29...Bf4 (29...Rfd8 30.Rgf3 Re3 31.Re3 Qf4 32.Rfe1-+) 30.Rf4 Rd1 31.Kh2 Qa1?? (better 31...Qe5 32.Ra4 Rfd8-+) 32.Rg6+= fg6 33.Qe6 Kh7 34.Qe7 (34.Rf8 Rh1 35.Kg3 h4 36.Kg4 Qa4 37.Rf4 Qd1 38.Rf3 Qa4 39.Bf4+-) 34...Qg7= 35.Qf8 Qf8 36.Rf8 Kg7 37.Ra8 Rd7 38.Kg3 (38.Bf4 Kf6=) 38...Kf6 39.Kf4 g5 (39...Ke6 40.Ke4=) 40.Kf3 (40.Ke4 Re7 41.Kd3 Rd7 42.Ke2 Rh7=) 40...g4 41.Kf4 Rc7 (41...Rf7 42.Rg8=) 42.Rf8 Kg6 43.Bd4 Rc4 44.Ke4 h4? (better 44...Rc2 45.g3 Re2 46.Kf4 Rd2 47.Rf6 Kg7+=) 45.Rg8+- Kh5?? (45...Kf7 46.Rg4 Rc2+-) 46.Kf5 (46.Kf5 Rc6 47.Be3 Rc5 48.Bc5 Kh6 49.Bd4 h3 50.Rh8) 1–0. Fernandez,Ernesto (2225) – Juarez Hernandez,Eduardo (2175), La Habana CUB, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6 6.c3 Nf6)

    7.Bd3 g6 8.f4 Bg7 9.Nf3 d5 10.e5 Ne4 11.Qc2 Bf5-/+ 12.Ng5 Qa5 13.Be4=+ de4 14.Be3 b6?? 15.Nh3?? Bh3-/+ 16.gh3 Qd5 17.0-0 0-0 18.c4=+ Qd7 19.d5 Qh3 20.Qe2 Nd8 21.Nb5= a6 22.Ra3 Qd7 23.Nc3 f5 24.Na4+= Qc7 25.Nb6 Rb8 26.e6?? Ne6! ½–½. Tatlow,Stephen – Chirukandath Manoj,Arjun, ch–GBR Torquay ENG, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d6 6.c3 Nf6)

    7.d5 Ne5 8.Bb5 Bd7 9.f4 +=.

    7.d5 Ne5 8.Bg5 +=.

    5.d4 e6

    6.c3 Nc6 7.Na3 a6 8.d5 Na5 9.Qa4 b5 10.Bb5 Ba3 (10...ab5 11.Nb5 f6 12.de6+=) 11.Ra3 ab5 12.Qb5 Nf6 13.f3 0-0 14.d6 Ne4! 15.fe4 Qh4 16.Kd1 Ba6 17.Qg5 Qf2 18.c4 (18.Qf4 Qg2 19.Qf3 Be2 20.Qe2 Qh1 21.Qf2-+) 18...Qf1 19.Kc2 Qc4 20.Rc3 Qa4 (worse is 20...Qe4 21.Kd1 Rac8 22.Bb2 Qa4 23.Ke1-+) 21.Kd2 Qd4 22.Kc2 Nb3!! 23.Bb2 Rfc8 24.Nf3 Qe4 (24...Qe4 25.Kb3 Bc4 26.Kb4 Rcb8 27.Kc5 Rb5; 24...Qd3 25.Kb3 Bc4 26.Kb4 Qd6 27.Qc5 Qc5) 0–1. Korostenski,Frank (2040) – Dibley,Shane (2285), IECG, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 e6)

    6.c3 Nc6 7.Na3 a6 8.Bf4 d5 9.Nb5 ab5? 10.Ra8+- b4 (10...Nf6 11.Bb5 de4 12.Ne2 Be7 13.0-0 0-0 14.Qb1 Qd5 15.f3 e5 16.fe4 Qe4) 11.ed5 ed5 12.Bb5 Nge7 (12...Nf6 13.Qa4 Qd7 14.Bc6 bc6 15.Qa6 Kd8 16.Nf3 Qe6) 13.Qa4 (13.Ne2 f6 14.0-0 Kf7 15.cb4 Ng6 16.Bc6 bc6) 13...Qd7 (13...bc3 14.Ne2 f6 15.0-0 g5 16.Be3 Bg7) 14.Nf3 (14.Ne2 Nf5 15.c4 Nfe7 16.0-0 f5) 14...Ng6 (14...Qg4 15.Bg3 Qe4 16.Kd2 bc3) 15.Bc6 bc6 16.Qa6 Nf4?? (better is 16...Kd8 17.Bg3 f5 18.Qb6 Ke8+-) 17.Rc8 (17.Qc8?! Qc8 18.Rc8 Kd7=) 17...Ke7 18.Ne5 (18.cb4?! f6 19.Rb8 Qe6 20.Kd2 Kf7+-) 18...Ng2 19.Kf1 Qh3 (19...Ne3 20.Ke2 Qf5 21.Qa7 Kf6 22.Qf7 Kg5 23.fe3 g6 24.Qf5 Kf5 25.Rf1 Ke6 26.cb4 Bd6 27.Rh8 Be5 28.Re8 Kd7 29.Re5 Kc7 30.Re7 Kb6+-) 20.Qb7 Kf6 21.Qf7 Kg5 22.Rg1 1–0. Mycroft,R (2140) – Dossett,C (1960), Open, Blackpool ENG, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 e6)

    6.c3 d5 7.Nb5 Bd6 8.Qg4 g6 9.e5 Bb8 10.Bd3 a6 11.Nh3 Na5 12.Bg5 Qb6 13.Na3 Bd7 (13...Qb2 14.0-0 Nb3-/+ (14...Qc3 15.Rfc1 Qd3 16.Rc8 Kd7 17.Rd8 Kc7 18.Qf4+-)) 14.0-0 Ba7 15.Qh4 Nc6 16.Nf4 Nge7 17.Bf6 Rf8 18.Nc2 h6 19.Qh6 Ng8 20.Qg7 Nge7 21.Qh7 0-0-0? (better is 21...Qc7+/-) 22.Rfb1+- Qc7 23.Ra6! Kb8 (23...ba6 24.Ba6) 24.Qh4 Rfe8 25.Ra3 Bc8 26.Bb5 Rd7 27.Qg3 b6 28.Nd3 Bb7 29.Ncb4 Rc8 (29...Qc8+-) 30.Be7 Ne7 31.Bd7 Qd7 32.Rba1 1–0. Grekh,Andrey (2330) – Pasko,Alexander (2330), UKR–ch U16 Ordzhonikidze, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    6.c3 d5 7.e5 Nge7 8.Nf3 Nf5 9.Nb5 h5 10.Bd3 Be7 11.Ba3 0-0 12.Be7 =.

    6.c3 d6 7.Bd3 Nf6 8.Ne2 Qc7 9.0-0 a6 10.f4 Be7 11.e5 Nd5 12.Nb5 Qb8 13.ed6 Bd6 14.Nd6 Qd6 15.Qd2 b5 16.Bb5 Bb7 (16...ab5 17.Ra8) 17.Bd3 a5 18.Ng3 a4 19.Ne4 Qe7 20.Ba3 Qd7 21.Nd6 Kd8 22.Rab1 (22.f5 ef5 23.c4 Na5 24.Bf5 Nc4 25.Nc4 Qe8+-) 22...Ba6 23.f5 (better is 23.Ba6 Ra6 24.Rb7+-) 23...Bd3+/- 24.Qd3 Ncb4 (24...Ra7+-) 25.Nf7! (25.cb4 Qd6 26.b5 Qb6+-; 25.Bb4 Nb4 26.Qg3 f6 27.Rb4 Rg8+-; 25.Rb4?! Qd6 26.Ra4 Qc6 27.Ra8 Qa8+-) 25...Qf7 26.Bb4 (26.Rb4?! Nb4 27.Bb4 Re8+=) 26...Nb4 27.Rb4 Rc8 (27...ef5 28.Rf5 Qe6+-) 28.Ra4 ef5 29.Rf5 Qe6 30.Re5 Qc6 31.Ra6 Qc4 (31...Qd7 32.Qb1 Rf8 33.Qb6 Qc7 34.Rd5 Ke8 35.Qe6 Qe7 36.Qc8 Kf7 37.Rf5 Kg8 38.Rf8 Qf8 39.Qe6 Kh8+-) 32.Rd6 Kc7 33.Qc4 Kd6 34.Qd5 Kc7 35.Re7 Kb6 36.Re6 (36.Rb7 Ka6 37.Qb5) 36...Ka7 (36...Kc7 37.Qc5 Kb7 38.Rb6 Ka8 39.Qa5) 37.Qd7 Kb8 38.Rb6 (38.Rb6 Ka8 39.Qa4) 1–0. Gallegos,Paul (2095) – Ozkan,Charlie (1990), Dos Hermanas Internet qual–B, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.c3 Nc6 6.d4 d6)

    6.Nf3 Qa5 7.Bd2 Bb4 8.Nc4 Bd2 9.Nfd2 Qc3 10.Nd6 Ke7? (better is 10...Kf8 11.Nb5 Qb4+=) 11.Nb5+- (11.Nc8 Rc8 12.Bd3 Qd4-/+) 11...Qb2 12.Rb1 Qa2 13.Bc4?? (better is 13.Nc4 d5 14.ed5 ed5 15.Nc3 Qc4 16.Bc4 dc4 17.d5+-) 13...Qa5+= 14.0-0 a6 15.Ra1 Qd8 16.d5 Na7 17.d6 Kf8 18.Nc7 Rb8 19.e5 Nc6 20.f4 f5 21.Rb1 Nh6 22.Qh5 Ng4 23.Qh3 b5 24.Be2 h5 25.Qd3 g5 26.h3 Nh6 27.Bh5 gf4 28.Nf3 Bb7 29.Qd2 Ng8 30.Be8 Rc8 31.Qf4 Rc7 32.Bg6 Rc8 33.Bf5 ef5 34.Qf5 Kg7 35.Qg4 Kh6 36.Qf4 Kg6 37.Qg4 Kh6 38.h4?? Rh7-+ 39.Qf4 Kg6 40.g4?? Rf7 41.Qe4 Kg7?? 42.Ng5= Qb6 43.Kh2 Rf2 44.Kg3 Nd8?? 45.Qh7+- Kf8 46.Rf2 Qf2 47.Kf2 (47.Kf2 Rc2 48.Ke3 Rc3 49.Kd2+-) 1–0. Szyndler,Stanislaw – Gnatowski,Kamil, Poland–Tch, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    6.Nf3 Bb4 7.Bd2 Bd2 8.Qd2 Nf6 9.Nb5 0-0 (worse is 9...Ne4 10.Qf4 0-0 11.Qe4+/-) 10.Bd3 (10.e5 Ne8=) 10...d5 (10...d6 11.0-0=) 11.e5= Ne4 12.Qe3 (12.Be4 de4 13.Ng5 b6=) 12...f5 13.0-0 (13.ef6 Nf6 14.Ne5 a6=) 13...a6+= 14.Be4 (14.Rfb1 Rb8 15.Na3 b5-/+) 14...de4 (14...fe4!? 15.Nd2 Qb6-/+) 15.Nd2+= ab5 (better is 15...Nb4!? 16.Qc3 Nd5=) 16.Ra8+= Qd4 17.Qd4 Nd4 18.Rb1 Bd7 (18...Kf7 19.Kf1 Rd8 20.c3+/-) 19.Rf8+/- Kf8 20.Ne4 Bc6 (20...Nc2 21.Nc5 Ke7 22.Nd7 Kd7 23.Rd1 Ke7 24.Rc1+/-) 21.Nd6 Ne2 (21...g5!?+/-) 22.Kf1+- Nc3 23.Rb3 Ne4 24.Ne4 fe4 (24...Be4 25.Rb5 Bd5 26.Kg1+-) 25.Ke2 Kf7 26.Ke3 g5 27.Kd4 Kg6 28.g4 h5 29.h3 h4 30.Re3 Kf7 31.Re4 1–0. Rewitz,Poul (2325) – Kristensen,Henrik Lunden, DEN–chT9596, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    6.c3 Nf6

    7.Qc2 d6 8.Bd3 Bd7 9.Nf3 Be7 10.0-0 a6 11.e5 de5 12.de5 +=.

    7.Bd3 Qa5 8.Bd2= Ba3 9.Qb3 0-0 (9...d5 10.Ra3 Qc7 11.e5+=) 10.Ra3+= Qc7 11.Nf3 (11.e5 Nd5+=) 11...d5 12.e5 Ne4 13.Be4 de4 14.Ng5 Na5 15.Qc2 h6 16.Ne4 Nc4 17.Ra2 (17.Rb3 b5=) 17...Nd2 (17...b5!?=) 18.Qd2+= Bd7 19.0-0 Bc6 20.Nd6 f6 21.f4 (21.Qe2 fe5 22.de5 a5+=) 21...fe5= 22.fe5 Rf1 23.Kf1 Rf8 24.Kg1 a6 (24...a5 25.c4 a4 26.h3=) 25.c4+= Qd8 26.Rb2 (26.h3 h5+=) 26...Qe7 27.Qe3 Kh8 28.h3 Rb8 (28...b5 29.cb5 Bb5 30.Rb1+=) 29.Rd2 (29.Rf2 Rf8 30.Rf8 Qf8+/-) 29...Rd8 (29...b5 30.d5 Ba8 31.cb5 ab5 32.de6 Qe6 33.Qa7+=) 30.Qf4 (30.Rf2!? Rf8 31.Rf8 Qf8 32.Qd2+/-) 30...Rf8+= 31.Qg3 Qc7 32.Rf2 (32.Qa3 Kg8+=) 32...Rf2= 33.Qf2 Kg8 34.Qf4 Qe7 35.Kh2 b5 36.cb5 ab5 ½–½. Souza E Silva,F Welli (1985) – Dantas,Francisco (2005), Fortaleza BRA, 2014. (=1.e4 c5 2.b4?? cb4-/+ 3.a3 ba3 4.Na3 Nc6 5.d4 e6)

    7.Bd3 b6 8.e5 Nd5 9.Bd2 Bb7 10.f4 Na5 11.Nf3 Rc8 12.0-0 a6 13.Ng5 (13.c4 Nb4 14.Qb1 Qe7=) 13...g6 (better is 13...Nc3!? 14.Qe1 Nd5 15.Ba5 ba5-/+) 14.Ne4 f5 15.ef6 Nf6 16.Ng5 Be7 17.Qc2 0-0 18.Bg6 hg6 (better is 18...Ba3 19.Bh7 Kh8 20.Ra3 Nc4-+) 19.Qg6= Kh8 20.f5 Bd6?? (20...Qe8 21.Qh6 Kg8 22.fe6 Be4 23.ed7 Qd7 24.Ne4 Ne4 25.Qg6 Kh8 26.Rf8 Rf8 27.Qe4 Nb3 28.Qe5 Kh7 29.Qh5 Kg8 30.Qg6 Kh8+-) 21.fe6+- Qe7?? (21...Be4 22.Ne4 Ne4 23.Qh5 Kg8+-) 22.Nf7 Rf7 23.ef7 (23.Qf7?! Qf7 24.ef7 Kg7+=) 23...Nh7 (23...Be4 24.Qf6 Qf6 25.Rf6 Be7 26.Rb6 Ba3 27.Ra3 Nc4+-) 24.Bh6 Be5 25.de5 Qe5 26.Rae1 (26.Rae1 Rd8 27.Re5 Bg2 28.Bg7) 1–0. Capron,Daniel (2105) – Baudry,Alain (1710), St Chely d'Aubrac op 4th, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 e6)

    7.Bd3 d5!? 8.ed5 ed5+= (8...Qd5?! 9.Nf3+=).

    7.Bd3 d5 8.e5 Ne4 9.Nb5+= (9.Be4 de4 10.Ne2 b6 11.Ng3 Bb7 12.0-0+=) 9...Bd7 10.Ba3 Ba3 11.Ra3 a6 12.Be4 +=.

    7.Bd3 Be7 8.Nf3 d6 9.0-0 e5 10.h3 0-0 11.Be3 b6 12.d5 Na5 13.Nd2 Nd7 14.Kh2 Bg5 15.Bg5 Qg5 16.g3 Nc5 17.Be2 Qh6 18.Rh1 f5 (18...Bh3?! 19.Kg1+=) 19.ef5 Bf5 20.Nac4? (20.Kg2 a6-+) 20...Nc4 (20...Qh3 21.Kg1 Qh1 22.Kh1 Nc4 23.Bc4+-) 21.Nc4 b5 (21...Qh3 22.Kg1 Qh1 23.Kh1+/-) 22.Ne3 Bd7 (22...Qh3 23.Kg1 Qh1 24.Kh1+-) 23.Qe1 Ne4 (23...Qh3 24.Kg1 Qh1 25.Kh1+-) 24.Nd1 Rf7 (24...Qh3 25.Kg1 Qf5 26.Bd3+/-) 25.Bh5 Qh5 26.Qe4 Qh3 27.Kg1 Qf5 28.Qf5 Bf5 29.Ne3 Bd3 30.Rh4 a5 31.Rd1 e4 32.f4 Rc8 33.Ra1 a4 34.Ra3 Rfc7 35.Nf5 Rc3 36.Rc3 (36.Ne7 Kf7 37.Nc8 Ra3 38.Nd6 Ke7 39.Nf5 Kf6-+) 36...Rc3 37.Rg4 g6 (37...g6 38.Ne7 Kg7 39.Ng6 hg6-+) 0–1. Gietl,Thomas (2305) – Prusikin,Michael (2340), Postbauer op U18 3rd, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 Nc6)

    7.Bd3 h6 8.f4 (8.Ne2 d5 9.e5 Nd7+= 10.Nb5 a6 11.0-0 Nb6 12.Na3+=; 8.Nb5 d6 9.Nf3 a6 10.Bf4 Nh5 11.Be3 Bd7 12.Na3=) 8...d6 (8...d5 9.e5 Ne4 10.Be4 (10.Ne2 Qh4 11.g3 Qd8 12.Qc2+=) 10...de4 11.Ne2+= Be7 12.Ng3+=) 9.Nf3 a6 (9...d5 10.e5 Ne4 11.Nb5 (11.Be4 de4 12.Nd2=) 11...a6 12.Be4+=) 10.0-0 Be7 11.e5 de5 (11...Nd5 12.Qe1+= (12.Bd2=)) 12.fe5 Nd5 13.Bd2 0-0 (13...Rb8 14.Nc2=) 14.Qe1 f5 15.Qg3 Kh8 16.Nb5 Nc7 (16...Rb8 17.Nd6=) 17.Nd6 Ne8 (better is 17...b5=) 18.Bh6 (better is 18.Nc8!? Rc8 19.Rfb1=) 18...gh6-/+ (18...Bd6?! 19.Bg5 Be7 20.Be7 Qe7 21.Nh4=) 19.Qg6 Bd6 (19...Ng7!?+=) 20.Qh6= Kg8 21.Qg6 Ng7?? (better is 21...Kh8 22.Qh6 Kg8 23.Qg6 Kh8 24.Qh6=) 22.Ng5+- Rf7?? (better is 22...Qg5 23.Qg5 Be7+-) 23.Qf7 Kh8 24.Qg6 Kg8 25.Qh7 Kf8 26.Qh8 Ke7 27.Qg7 (27.Qg7 Ke8 28.Qf7) 1–0. Sineux,Sandra – Lafortune,Guillaume, 6th St Quentin Open, Elancourt FRA, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.c3 Nc6 6.d4 Nf6)

    7.d5 Ne5 8.Nb5 Bc5 9.Ba3 Ba3 10.Ra3 ed5 11.f4 Neg4 12.e5 =.

    7.e5 Nd5 8.c4 Nc7+= 9.c5 b6 10.Nc4 bc5 11.Nd6 Bd6 12.ed6 +=.

    7.e5 Ne4 8.Ne2 Qh4 9.g3 Qh5 10.Qd3 Nc5 11.dc5 Ne5 12.Qe4 =.

    7.Bg5 d5 8.e5 h6 9.Bh4 g5 10.ef6 gh4 11.Nb5 Bd7 12.Qf3 -/+.

    5.Nf3 d6

    6.d4 Nf6 7.d5 Ne5 8.Bb5 Bd7 9.Ne5 de5 10.Qf3 =+.

    6.d4 Nf6 7.d5!? Ne5 8.Ne5 de5 9.Bb5 Bd7 10.Qd3 Qa5 11.Ke2 =.

    6.d4 Nf6 7.e5 de5-/+ 8.de5 Qd1 9.Kd1 Ng4 10.Nb5 (10.Ke1 e6 11.Nb5 Kd8+=) 10...Nf2 (10...Rb8 11.Ke1+=) 11.Ke1+= Nh1 12.Nc7 Kd8 13.Na8 e6 14.Bg5 Be7 15.Be7 Ke7 (15...Ne7?! 16.Bc4=) 16.Bb5 Nb4 (16...Bd7 17.Bc6 Bc6 (17...Ra8? 18.Bb7 Rd8 19.Ke2+-) 18.Ra7 g5+=) 17.Ra7+= Nd5? (17...Nc2!? 18.Ke2 g5+=) 18.Bc6 (18.c4!? Nc3 19.Nb6+-) 18...Rd8 19.Bd5 (19.Bb7? Rd7 20.Bd5 Ra7-+ (20...ed5?? 21.Nb6+-)) 19...ed5 (19...Rd5 20.Nb6 Rc5 21.Nc8 Rc8 22.Rb7 Kf8 23.Rb2+-) 20.Nb6 f6 21.Kf1 (21.Nd4!? Kf7 22.Nc8 Rc8 23.e6 Ke8 24.Rb7+-) 21...fe5+= 22.Ne5 Rf8 23.Kg1 (23.Nf3 Bg4+/-) 23...Be6 (23...Kd6!? 24.Nf3 Bg4+=) 24.Nf3+/- g5 25.Ng5 (worse is 25.Kh1 g4 26.Ng1 Kd6+=) 25...Nf2 26.Nh7 (26.Rb7!? Kd6 27.Rh7+-) 26...Rf5+/- 27.Rb7 Kd6 28.Na4 Ng4 29.Rb8 Ke7 30.h3+= Ne3 31.g4 Re5 32.Rb7 Kd6 33.Nf6 Nc2+= 34.Ne8 Kc6 35.Rb6 Kd7 36.Nc5 Ke8? 37.Re6+- Re6 38.Ne6 Kf7 39.Nf4 d4 40.Kf2 Kf6 41.Kf3 Ke5 42.Nd3 Kd5 43.g5 Ne3 44.h4 Nf5 45.h5 Ke6 46.Kf4 Nd6 47.g6 Kf6 48.Nc5 Ne8 49.Ne4 Kg7 50.Kg5 d3 51.h6 Kg8 52.Kf5 Kf8 53.Ke6 Nc7 54.Kd7 Nd5= 55.g7 Kf7 56.Ng5 Kg8 57.Nf3 Nf6 58.Ke6 ½–½. Vekemans,Denis (1960) – Sgircea,Silvia Raluca (2205), Avoine FRA, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 ba3 4.Na3= Nc6 5.Nf3 d6)

    6.Bc4 Nf6

    7.d3 e6 8.0-0 -/+.

    7.d3 g6 8.Bb2 Bg7 9.0-0 ½–½. Mablouke,Ulrich (1785) – Rivolo,Jean_Guillaume, Saint Denis RUF, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Nf3 d6)

    7.Qe2 Bg4 8.Bb2 e6 9.Ba2 (9.0-0 Be7-/+) 9...Be7 (9...d5 10.h3 Bf3 11.gf3 Ba3 12.Ba3 de4 13.fe4-+) 10.0-0 0-0 11.d4 (11.h3 Bh5-/+) 11...d5-+ 12.ed5 ed5 13.Rfd1 (13.Qd3 Qb6 14.Rfb1 Nb4-+) 13...Re8-+ 14.Qd3 Nb4 (14...Qb6 15.Rdb1-+) 15.Qb3 a5 16.c4? (better 16.Rdc1-+) 16...a4 17.Qc3 Ne4 18.Qe3 Bg5 19.Ng5 Ng5 (19...Qg5?! 20.Re1 Na2 21.Qg5 Ng5 22.Re8 Re8 23.h4 dc4 24.Ra2-+) 20.Qd2 Bd1 (20...Na2?! 21.Re1 Re1 22.Qe1 dc4 23.Ra2-+) 21.Qb4 (21.Qd1 Na2 22.Ra2 dc4 23.Ra1-+) 21...Nf3 22.gf3 Qg5 (22...Qg5 23.Kf1 Bf3 24.Qf8 Kf8 25.cd5 Qg2) 0–1. Mirada,L (1860) – Amoroso,Juan Pablo (2010), XXIV ProAm Copa Clarin Op (7), 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Nf3 d6)

    7.Qe2 Bg4 8.c3 e6 9.Rb1 Rb8 10.0-0 Be7 11.d4 (11.d3 d5 12.Bb5 a6-/+) 11...d5 12.ed5 Nd5 13.Bd5 Qd5 (13...ed5?! 14.Bf4 Rc8 15.Rb7 Bf3 16.gf3=+) 14.Rb5 Bf3 15.gf3 Qd7 16.Rh5 0-0 17.Kh1 g6 18.Rg1 Kh8 19.Rh6 Bf6 20.Nc4 Bg7 21.Rh4 b5 22.Ne5 Ne5 23.de5 Rfd8 24.Qe4 (24.Be3 Qc7 25.Bd4 a5-+) 24...Qd3 (24...Qc7 25.Be3-+) 25.Be3 Qe4 26.Re4 a5 27.Ra1 Rd5 (27...Ra8 28.f4 Rdc8 29.Kg2-+) 28.f4 (28.Ra5 Be5 (28...Re5?! 29.Re5 Be5 30.c4=) 29.Re5 Re5-/+) 28...b4 (28...Ra8 29.c4 bc4 30.Rc4-+) 29.cb4 (29.c4!? Rd3 30.Ra5 b3-/+) 29...ab4-+ 30.Rb4 Rb4 31.Ra8 Bf8! 32.Rf8 Kg7 33.Ra8 h6 34.h4 Rdb5 35.Rc8 Rb8 36.Rc6 (36.Rc3 Rb2-+) 36...g5! 37.hg5 (37.fg5 Rh4 Pinning (37...Rh4 Deflection); 37.hg5 hg5 Combination) 37...hg5 38.Kg2 gf4 39.Bc5 Rb3 40.Be7 (40.Bd6 Rg8-+) 40...Kg6 41.Bd6 Rg8 42.Rc7 (42.Kf1-+) 42...Kf5 43.Kf1 (43.Kh2 Rh8 44.Kg2 f3 45.Kg3 Rg8 46.Kh3 Rb1 47.Rf7 Ke4 48.Rf4 Kf4 49.Kh4 Rh8) 43...f3 44.Rf7 (44.Bb4 Rb4 45.Ke1 Rd4 46.Rf7 Ke4 47.Rf3 Kf3 48.Kf1 Rd1) 44...Ke4 45.Ke1 Rb2 (45...Rb2 46.Rg7 Rg7 47.Kd1 Rg1) 0–1. Yche,M (1920) – Gely,Yann (2160), 33rd Avoine Open, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.a3 ba3 5.Na3 d6)

    7.Ng5 e6 8.Qe2 Be7 9.Bb2 0-0 10.0-0 d5 11.Bb3 de4 12.Nc4 Nd4 13.Qe3 Nb3 14.Qb3 h6 15.Nh3 b6 16.Rfd1 Bb7 17.d3 Bd5 18.de4 Ne4 19.Nf4 Bc5 20.Nd3? (20.Nd5 Bf2 21.Kf1 ed5 22.Nd2 Nd2 23.Rd2-+) 20...Qh4 21.g3 (21.Nc5 Qf2 22.Kh1 Qc5-+) 21...Ng3 (better is 21...Qh3 22.Ne3 Be3 23.fe3 Bb3 24.cb3-+) 22.Nc5 Ne2 (22...Qc4 23.Qg3 f6 24.Nd7+/-; 22...Bc4?! 23.hg3 Qg4 24.Rd4 Qd4 25.Bd4 Bb3 26.Nb3-+; worse is 22...bc5 23.Qg3 Qg3 24.hg3 Bc4 25.Ra5-+) 23.Kf1 Bc4 0–1. Krieg,Peter (1710) – Miersch,Marco (2175), Rostock PSV op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Nf3 d6)

    6.d4 Bg4

    7.Bb2 Qa5 A) 8.c3 A1) 8...Nf6 9.Qb3 (9.Nb5 Qb6 10.h3 Bh5 11.Qb3 Rb8 12.Nd2 Bg6 13.f3 e6 14.c4=; 9.Nc4 Qh5 10.d5 Ne5 11.Nce5 de5 12.Qa4 Kd8 13.Be2 Nd7 14.0-0=; 9.d5 Ne5 10.Bb5 Nfd7 11.Ne5 Bd1 12.Bd7 Kd8 13.Nf7 Kd7 14.Nh8+=) 9...Qc7 10.Nd2 e6 11.f3 Bh5 12.Nb5 Qb8 13.d5 ed5 14.ed5=; A2) 8...Bf3 9.gf3 e6 10.d5 ed5 11.Qd5 Qd8 12.Bc4 Qd7 13.Bc1 Nf6 14.Qd1+=; A3) 8...a6 9.Nc4 (9.Be2 Nf6 10.d5 Bf3 11.Bf3 Ne5 12.0-0 Qc7 13.Be2 Ned7 14.Qa4=; 9.d5 Ne5 10.Nc4 Bf3 11.Ra5 Bd1 12.Nb6 Rb8 13.Kd1 Nf6 14.f3=) 9...Qh5 10.d5 Ne5 11.Nce5 de5 12.Qb3 Qg6 13.Qa4 Bd7 14.Qd7+/-; A4) 8...e6 9.d5 ed5 10.ed5 Ne5 11.Nc4 Qc7 12.Nce5 de5 13.Qa4 Bd7 14.Bb5+=; B) 8.Qd2 B1) 8...Qh5 9.Nb5 (9.d5 Bf3 10.dc6 bc6 11.gf3 Qf3 12.Rg1 Qe4 13.Be2 Nf6 14.Nc4=; 9.Be2 Nf6 10.d5 Ne5 11.Nb5 Rc8 12.Na7 Rd8 13.Ne5 de5 14.f3+/-; 9.Qe3 Bf3 10.gf3 e6 11.d5 Ne5 12.Nb5 Rc8 13.Nd4 a6 14.Qb3+=) 9...Kd7 10.Ng1 d5 11.f3 Be6 12.ed5 Bd5 13.c4 Nf6 14.Qf4+-; B2) 8...Qd2 9.Nd2 a6 10.Ndc4 Nf6 11.d5 Na7 12.f3 Bh5 13.Nb6 Rb8 14.Nac4=; B3) 8...a6 9.Nc4 (9.d5 Qd2 10.Nd2 Ne5 11.Rb1 b5 12.c4 Nc4 13.Ndc4 bc4 14.Nc4=; 9.Qa5 Na5 10.Nb1 Bf3 11.gf3 Nc6 12.d5 Ne5 13.f4 Nd7 14.Rg1+=; 9.Be2 Nf6 10.Qa5 Na5 11.h3 Bd7 12.Bc3 Nc6 13.d5 Nd8 14.Bd3=) 9...Qh5 10.Be2 Nf6 11.d5 Nd8 12.Nb6 Rb8 13.Qc3 Nd7 14.Qc7+-; B4) 8...Bf3 9.Qa5 Na5 10.gf3 a6 11.d5 Kd7 12.Bd4 Kc7 13.Bc3 b6 14.Ba5=.

    7.Bb2 d5 A) 8.h3 A1) 8...de4 9.hg4 ef3 10.Qf3 e6 11.Bb5 Qd5 12.c4 Qf3 13.gf3 a6 14.Ba4-/+; A2) 8...Qa5 9.c3 (9.Qd2 Qb6 10.c4 Bf3 11.ed5 e6 12.c5 Qd8 13.dc6 Bc6 14.Nc4+=) 9...Bf3 10.Qf3 de4 11.Qe4 Nf6 12.Qe3 Nd5 13.Qd2 e6 14.Bd3+=; A3) 8...Bf3 9.Qf3 de4 10.Qe4 Nf6 11.Qe3 e6 12.Bd3 Nd5 13.Qd2 Bb4 14.c3-/+; B) 8.ed5 B1) 8...Qd5 9.Be2 (9.Nb5 Bf3 10.Nc7 Kd8 11.Nd5 Bd1 12.Kd1 e6 13.Nb6 Rb8 14.Nc4+=) 9...e6 10.0-0 Nf6 11.c4 Qd8 12.Qb3 Qd7 13.Rfd1 Na5 14.Qc3+=; B2) 8...Qa5 9.Qd2 (9.c3 Qd5 10.Be2 e6 11.Nb5 Qd8 12.0-0 Nf6 13.c4 a6 14.Qa4+=) 9...Qd5 10.Be2 e6 11.Nb5 Kd8 12.c4 Qf5 13.Bc3 Bf3 14.Bf3=.

    7.Bb2 e6 A) 8.d5 ed5 9.ed5 (9.Qd5 Nf6 10.Qg5 Qe7 11.Bd3 Bf3 12.gf3 Nd7 13.Qg3 f5 14.Kd1+=) 9...Qe7 10.Be2 Bf3 11.gf3 Ne5 12.f4 Ng6 13.Qd2 Nf6 14.0-0+=; B) 8.h3 Bf3 (8...Qa5 9.Qd2 Bf3 10.Qa5 Na5 11.gf3 Nc6 12.c4 d5 13.cd5 ed5 14.Nb5+=) 9.Qf3 d5 10.Qb3 Qd7 11.ed5 Qd5 12.Nc4 b5 13.Ne3 Qb3 14.cb3+=; C) 8.Bb5 C1) 8...d5 9.Qd3 (9.ed5 Qd5 10.Be2 Nf6 11.Nb5 Qd8 12.0-0 a6 13.Na3 Bb4 14.c4-/+; 9.h3 Bf3 10.Qf3 Nf6 11.ed5 Qd5 12.Qd5 Nd5 13.Kd2 a6 14.Bd3-/+; 9.e5 Qb6 10.Bc3 a6 11.Ba4 Bb4 12.Qd2 Ba3 13.Ba5 Qb2 14.Bc3-/+) 9...Nf6 10.Ne5 Qa5 11.c3 Qc7 12.ed5 ed5 13.0-0 Be6 14.Nc2+=; C2) 8...Qb6 9.Qe2 (9.Qd3 a6 10.Bc6 bc6 11.Nc4 Qb7 12.Ba3 c5 13.dc5 dc5 14.Nfe5+=; 9.0-0 a6 10.Bc6 bc6 11.Rb1 d5 12.Qd3 de4 13.Qe4 Nf6 14.Qf4-/+; 9.h3 Bf3 10.Qf3 a6 11.Bc6 bc6 12.Rb1 Qa5 13.Bc3 Qa4 14.Rb7-/+) 9...a6 10.Nc4 Qb5 11.Nd6 Bd6 12.Qb5 ab5 13.Ra8 Nd8 14.Ne5=; C3) 8...a6 9.Be2 (9.h3 Bf3 10.Bc6 bc6 11.Qf3 d5 12.0-0 Nf6 13.e5 Ne4 14.Qd3-/+) 9...d5 10.ed5 ed5 11.0-0 Nf6 12.Re1 Be7 13.Ne5 Bf5 14.Nc6+=; D) 8.Be2 D1) 8...Nge7 9.c4 (9.h3 Bh5 10.c4 Qa5 11.Nd2 Be2 12.Qe2 Qb6 13.Nb5 Ng6 14.0-0=; 9.0-0 d5 10.Bd3 de4 11.Be4 Nd5 12.h3 Bh5 13.c4 Nf6 14.Bd3+=) 9...d5 10.ed5 ed5 11.0-0 dc4 12.Bc4 Be6 13.Re1 Bc4 14.Nc4=; D2) 8...Qa5 9.Nd2 (9.c3 d5 10.ed5 Qd5 11.Nb5 Qd8 12.0-0 Nf6 13.c4 a6 14.Qa4+=) 9...Be2 10.Qe2 d5 11.Nb5 Qd8 12.ed5 Nb4 13.0-0 Nd5 14.c4+=; D3) 8...d5 9.ed5 ed5 10.0-0 Nf6 11.Ne5 Ne5 12.de5 Be2 13.Qe2 Ne4 14.c4=; D4) 8...Nf6 9.d5 Bf3 10.Bf3 Ne5 11.0-0 Qb6 12.Rb1 Qc5 13.Nb5 a6 14.Bd4=.

    7.Bb2 Nf6 8.Bd3 (8.d5 Nb8 (8...Qa5 9.Qd2 Ne4 10.Qa5 Na5 11.Ng1 e5 12.f3 Nf6 13.fg4 a6 14.Nb1+/-) 9.Bf6 (9.Bb5 Nbd7 10.Nc4 a6 11.Bf6 gf6 12.Ne3 Bh5 13.Bd7 Qd7 14.h3+=; 9.h3 Bh5 10.Bf6 gf6 11.Bb5 Nd7 12.Nc4 Bg7 13.Bd7 Kd7 14.Nfe5=; 9.Bd3 e5 10.de6 fe6 11.Nb5 Nc6 12.h3 Bf3 13.Qf3 Be7 14.Qg3+=) 9...gf6 10.Bb5 Nd7 11.Nc4 Bg7 12.h3 Bf3 13.Qf3 f5 14.Bd7=) 8...Bf3 (8...d5 9.ed5 (9.e5 Ne4 10.0-0 e6 11.c3 Bf3 12.gf3 Ng5 13.Bc1 Ba3 14.Ra3-/+) 9...Qa5 10.c3 Qd5 11.Nb5 Bf3 12.Nc7 Kd8 13.Nd5 Bd1 14.Nf6=; 8...e6 9.0-0 (9.h3 Bf3 10.Qf3 Qa5 11.Kd1 Qb4 12.Rb1 Nd4 13.Qe3 e5 14.Bd4+=) 9...d5 10.ed5 Qd5 11.c4 Qh5 12.Be2 Be7 13.h3 Bf3 14.Bf3=; 8...Qa5 9.c3 (9.Qd2 Qh5 10.Nb5 Bf3 11.Nc7 Kd8 12.Na8 Bg2 13.d5 Ne4 14.Qe3-+) 9...Bf3 10.gf3 d5 11.Qb3 Qb6 12.Qb6 ab6 13.Kd2 e6 14.Nb5=; 8...a6 9.0-0 (9.Nc4 d5 10.ed5 Bf3 11.Qf3 Qd5 12.Qd5 Nd5 13.Ne3 e6 14.Kd2+=; 9.h3 Qa5 10.Qd2 Bf3 11.gf3 Qd2 12.Kd2 d5 13.c4 Na5 14.Kc3+=; 9.d5 Ne5 10.Be5 de5 11.0-0 Rc8 12.h3 Bh5 13.Qe2 Qc7 14.Nc4+=) 9...d5 10.ed5 Qd5 11.c4 Qh5 12.Be2 e6 13.Qb3 Nb4 14.Bc3+/-) 9.Qf3 (worse is 9.gf3 d5-/+ (9...e6 10.c4 Qa5 11.Qd2 Qb6 12.Nb5 a6 13.d5 Ne5 14.Be2-/+) 10.e5 Nd7 11.f4 e6 12.Bc3 g6 13.Qf3 a6 14.Qe3-/+) 9...Qa5 (9...d5 10.e5 Qa5 11.c3 Ne4 12.Nc4 Qc7 13.Be4 de4 14.Qe4+=) 10.c3 (better is 10.Kd1!?= a6 11.Nc4 Qc7 12.d5 Ne5 13.Ne5 de5 14.Qf5=) 10...Nd4-/+ 11.Qe3 Nc6 (11...Nb3 12.Bb5 Kd8 13.Rd1 e6 14.0-0-/+) 12.0-0 (12.Nb5 Qd8 13.Na7 Ng4 14.Qg3+= (14.Nc6 Ra1 15.Ba1 Ne3 16.Nd8 Ng2 17.Kf1 Nf4 18.Nb7 Nd3+=)) 12...g6 (12...Qc5 13.Qe2-/+ (13.Qe1 a6 14.Qb1-/+ –1.28) 13...e6 14.Nb5-/+) 13.Rac1?? (better is 13.Nb5 Qd8 14.Na7 Ra7 15.Ra7=) 13...Bg7 14.Rfe1 Ng4 15.Qf3? (better is 15.Qg3 Nge5 16.Be2-+) 15...Nce5 16.Qe2 0-0 17.h3? (better is 17.Nc4 Qc5 18.Ba3-+) 17...Nf2! 18.Kf2 Nd3 19.Qd3 Qb6 20.Kf1 Qb2 21.Nb1 Qb6 22.Qe3 Qe3 23.Re3 Bh6 24.Kf2 Be3 25.Ke3 f5 26.ef5 Rf5 27.Rc2 Rc8 28.Rb2 b6 29.Ra2 a5 30.Rb2 b5 0–1. Sulkowski,Dawid – Konefal,Przemyslaw, Chelm Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    7.d5 Nb8 =.

    7.d5 Bf3 8.Qf3+= Ne5 9.Bb5 Nd7 10.e5 (10.Nc4 Ngf6 11.Be3+=) 10...e6? (better is 10...de5 11.Nc4 Qc7+=) 11.de6+- fe6 12.Qb7 Rc8 13.Nc4 (13.Qa7?! de5 14.0-0 Ngf6+-) 13...Rc7 14.Qf3 (better is 14.Qa6 Rc5 15.Be3 (15.Nd6?! Bd6 16.ed6 Rc2+-) 15...Rb5 16.Qb5+-) 14...d5+/- 15.Nd6 Bd6 16.ed6 Rc5 (better is 16...Rc2 17.Kd1 Rc5+-) 17.Qe2+- Kf7 18.Ra7 Ngf6 19.Be3 Rc8 (19...Qb6 20.Bc5 Qc5 21.Bd7 Qa7 22.Be6 Kf8+-) 20.Bg5 Kg6 (20...Qb6 21.Bd7 Qb1 22.Qd1 Qb4 23.Qd2 Qe4 24.Be3 Nd7 25.Rd7 Kg6+-) 21.Bf6 Nf6 22.Bd3 Ne4 23.Be4 de4 (23...Kf6 24.Qg4 Ke5+-) 24.Qg4 Kh6 (24...Qg5 25.Rg7!! Kg7 26.Qg5 Kf7 27.Qe7 Kg6 28.Qe6 Kg7 29.Qe5 Kg6+-) 25.Qg7 Kh5 26.g4 (26.h4 Qa5 27.Ra5 e5 28.Re5) 26...Kh4 27.Qh6 Kg4 28.Rg1 Kf5 29.Qh5 (29.Qh5 Kf4 30.Rg4 Kf3 31.Qh3) 1–0. Todorova,K (1830) – Ivanova,Si (1870), 60th ch–BUL w Final, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6)

    7.Be3 e6 8.d5 ed5 9.ed5 Qa5 10.Qd2 Bf3 11.gf3 Qd2 12.Kd2 =.

    7.Be3 Nf6 8.d5= Ne5 9.Bb5 Nfd7?? 10.Ne5+- de5 11.Qg4 a6 12.Bd7 Qd7 13.Qd7 Kd7 14.0-0 Rc8 15.c4 e6 16.de6 Ke6 17.Rfb1 Ba3 18.Ra3 Rc7 19.Rab3 Rc4 20.Rb7 Rhc8 21.Ra7 R8c6 22.Ra1 Re4 23.R7a6 Rec4 24.Rc6 Rc6 25.Re1 f6 26.g3 Kf7 27.f4 ef4 28.Bf4 f5 29.Re5 g6 30.Bg5 Rc7 31.Kg2 Rd7 32.Kf3 Rb7 33.h4 Rb3 34.Kg2 Rb2 35.Kh3 Rb7 36.Rc5 Rd7 37.Rc8 Rb7 38.Rh8 Kg7 39.Rc8 h5?? 40.Rc6 Rd7 41.Bf6 Kf7 42.Bg5 Kg7 43.Bf6 ½–½. Lobo,Patricia – Silva,Ceu (2015), POR–ch (Women), 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Nf3 d6 6.d4 Bg4)

    5.Nf3 e5

    6.Bb2 Bc5 7.Ne5 Ne5 8.Be5 Nf6 9.Qf3 d6 10.Bf6 Qf6 11.Qf6 gf6 12.Nb5 0-0.

    6.Bb2 d6+= A) 7.Bc4 Nf6 (7...Be7 8.0-0 Nf6 9.Qe2 0-0 10.Bc3 a6 11.Bb3 Na5 12.Nc4 Nb3) 8.Ng5 Ne4 9.Nf7 Qb6 10.0-0 Qb2 11.Nh8 d5 12.Bd5 Nf6; B) 7.Bd3 Be7 (7...Nf6 8.0-0 Be7 9.Qe2 0-0 10.Bc3 a6 11.Nc4 b5 12.Ne3 b4) 8.0-0 Nf6 9.Qe2 0-0 10.Bc3 a6 11.Rfb1 Qc7 12.Nb5 Qb8; C) 7.h3 Nf6 (7...Be7 8.Bc4 Nf6 9.Qe2 a6 10.0-0 0-0 11.d4 Qb6 12.Bb3 Nd4; 7...Bd7 8.Bd3 Nf6 9.0-0 Be7 10.Bc3 0-0 11.Qb1 Rb8 12.Re1 Nh5) 8.Bd3 Be7 9.0-0 0-0 10.Qe2 Bd7 11.Nb5 a6 12.Nc3 Nb4; D) 7.Bb5 Bd7 (7...Nf6 8.0-0 Be7 9.Bc6 bc6 10.Qe2 0-0 11.Rfb1 Qc7 12.d4 ed4; 7...Qb6 8.d4 a6 9.Bc6 Qc6 10.0-0 Nf6 11.Re1 Bg4 12.de5 Ne4) 8.0-0 Nf6 9.d4 ed4 10.Nd4 Be7 11.Nc6 bc6 12.Bd3 a5.

    6.Bb2 Nf6 A) 7.Bd3 Bc5 (7...d6 8.0-0 Be7 9.Nc4 0-0 10.Qe2 a5 11.h3 Be6 12.Ne3 a4; 7...Ba3 8.Ra3 d6 9.0-0 0-0 10.Qe2 a5 11.Rb1 Qb6 12.Rb3 Qc7) 8.Ne5 Ne5 9.Be5 0-0 10.0-0 Re8 11.Bf6 Qf6 12.Nb5 Re5; B) 7.Ne5 Qe7 (7...Ne5 8.Be5 Bc5 9.Qf3 d6 10.Bb5 Kf8 11.Bc3 d5 12.ed5 Qd5) 8.Nac4 Ne5 9.Be5 Qe6 10.f3 d5 11.Bf6 gf6 12.Ne3 de4.

    6.Bb5 A) 6...Nf6 7.0-0 (7.Nc4 Bc5 8.0-0 0-0 9.Qe2 d5 10.ed5 Qd5 11.Bc6 bc6 12.Nce5 Re8; 7.Qe2 Bc5 8.Nc4 0-0 9.Ba3 Ba3 10.Ra3 Nb4 11.d3 Qe7 12.c3 a6) 7...Bc5 8.Nc4 0-0 9.Qe2 d5 10.ed5 Qd5 11.Bc6 bc6 12.Nce5 Re8; B) 6...Bc5 7.Nc4 (7.Qe2 Nf6 8.Nc4 0-0 9.0-0 d5 10.ed5 Qd5 11.Bc6 bc6 12.Nce5 Re8; 7.0-0 Nf6 8.Nc4 0-0 9.Ba3 Ne4 10.Bc6 dc6 11.Qe2 Qd5 12.Nce5 f6; 7.Bb2 Nf6 8.Qe2 0-0 9.0-0 d6 10.Bc6 bc6 11.Nc4 Be6 12.d4 ed4) 7...Nf6 8.Qe2 0-0 9.0-0 d5 10.ed5 Qd5 11.Bc6 bc6 12.Nce5 Bg4.

    6.Nc4 Bc5 7.Ba3 (7.Qe2 Nf6 8.Nce5 0-0 9.Bb2 Ne5 10.Ne5 d6 11.Nd3 Bb6 12.f3 Re8) 7...Qe7 8.Bc5 Qc5 9.Nfe5 b5 10.Nc6 dc6 11.d4 Qb4 12.Qd2 Qd2.

    6.Nc4 Qc7 7.d4+= (7.Bb2 d6 (7...Nf6 8.Nce5 Ne4 9.Bd3 f5 10.Nc6 bc6 11.Qe2 Be7 12.Bg7 Rg8) 8.d4 Nf6 9.Bd3 Bg4 10.de5 de5 11.0-0 0-0-0 12.h3 Bh5; 7.Bd3 d6 (7...Be7 8.0-0 Nf6 9.Bb2 d6 10.Ne3 0-0 11.Bc3 Be6 12.Qe2 a5; 7...Nf6 8.Qe2 Bc5 9.Ba3 Ba3 10.Na3 d6 11.Nb5 Qe7 12.0-0 0-0) 8.0-0 Nf6 9.Bb2 Be7 10.Bc3 0-0 11.Qe2 b5 12.Na5 a6; 7.Qe2 Nb4 (7...Nf6 8.Bb2 d6 9.Qd3 Be7 10.Ba3 0-0 11.Bd6 Bd6 12.Qd6 Qd6; 7...Bc5 8.Qd3 Nf6 9.Ba3 Ba3 10.Qa3 Ne4 11.Bd3 d5 12.Be4 dc4) 8.Ne3 Nc2 9.Nc2 Qc2 10.Ne5 Nf6 11.f3 Bc5 12.Qb5 Bd4) 7...d6 (7...Nf6 8.de5 (8.d5 Nb4 9.d6 Qc6 10.Bd3 Bd6 11.0-0 0-0 12.Nd6 Qd6) 8...Ne4 9.Ba3+= Nb4 10.Bd3 Be7 11.0-0 0-0 12.Re1 Nc3; 7...ed4 8.Nd4 a6 9.Nc6 Qc6 10.Qd4 Nf6 11.Bd3 Qc5 12.Qc5 Bc5; 7...Nd4 8.Nd4 ed4 9.Qd4 Nf6 10.Be3 b5 11.e5 bc4 12.ef6 gf6) 8.d5= Nb8 9.Bd3 (9.Na3 Na6 10.Nb5 Qb6 11.Nc3 Nf6 12.Bb5 Bd7) 9...Nf6 (9...Nd7 10.Bd2 Ngf6 11.Qe2 Be7 12.0-0 0-0) 10.0-0 (10.Na3 Nbd7= (10...Na6 11.0-0 Be7 12.Nb5 Qb6) 11.0-0 Nc5 12.Nb5 Qb6) 10...Be7 (10...Ne4 11.Nb6 (11.Re1 Nc3 12.Qd2 Nd5) 11...Qb6 12.Be4-/+ Nd7) 11.Be3= Nbd7 12.Qe2 (12.Ra7? Ra7 13.Ba7 b5 14.Nce5 de5-+ (14...Qa7?! 15.Nc6 Qc5 16.Qe2-/+); 12.Na3 Nc5) 12...Nc5 (12...0-0=) 13.Rfb1 Nfe4 14.Be4 Ne4 15.Rb4 (15.Rb3 Qb8+=) 15...Qb8 16.Bd4 (16.Na5!? f5 17.Nc6+=) 16...Bf5-/+ (16...ed4?! 17.Qe4 d3 18.cd3=) 17.g4 (17.Ne3 A) 17...ed4?? 18.Nf5 g6 19.Ne7+- (19.Qe4?! gf5 20.Qf5 Qc7+/-); B) 17...Bg6 18.Qb5 Kf8-+) 17...Bg6-+ 18.Nce5 de5 19.Be5 Qd8 20.Re4 Be4 21.Qe4 0-0 22.Rb1 b6 23.d6 Bd6 24.Rd1 Re8 25.Qc6 Be5 (worse is 25...Re5 26.Rd6 Re7 27.Rd8 Rd8 28.Kg2+/-) 26.Rd8 Rad8 (26...Red8? 27.Ne5 a5 28.Qb7+-) 27.Ne5 Re5 28.Qb7 Ra5 29.Qc7 Rd1 30.Kg2 h5 31.h3 Rdd5 32.c4 Re5 33.Qd8 Kh7 34.Qd3 g6 35.f4 Re6 36.Qd7 Kg7 37.Qd4 Kf8 38.f5 (38.Qd8 Re8 39.Qd4 Kg8-+) 38...gf5 39.Qh8 Ke7 40.gh5 f4 ½–½. Kuna,Heiko (2360) – Pischner,Rainer (2350), RSS7E pro–110, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.Nf3 e5)

    6.Nc4 d6 7.d4 ed4 8.Nd4+= Nf6 9.Nc6 bc6 10.Bd3 d5 11.ed5 cd5 12.Qe2 Be6.

    6.Nc4 Nf6 A) 7.Bd3 Bc5 (7...d6 8.Bb2 Be7 9.0-0 Qc7 10.Qb1 0-0 11.Bc3 Bg4 12.Qb5 Bf3) 8.0-0 d6 9.Ba3 Ba3 10.Ra3 b5 11.Ne3 b4 12.Ra1 0-0; B) 7.Bb2 Ne4 (7...Bc5 8.Bd3 d6 9.0-0 0-0 10.Ne3 h6 11.c3 Be6 12.h3 a5) 8.Nfe5 d5 9.Qh5 Qf6 10.Nd3 Qf5 11.Qf5 Bf5 12.Ne3 Be6; C) 7.Nce5 Ne4 8.Bd3 Ne5 9.Be4 d5 10.Ne5 de4 11.Qe2 Qd5 12.Bb2 Be7.

    4.Na3 d5

    5.e5 Nc6 6.d4 Bf5 7.c3 a6 8.Ne2 e6 9.Nc2 f6 10.f4 Nh6 11.Ng3 fe5 12.fe5 Qh4 13.Bh6 gh6 (13...Bc2!? 14.Qc2 Qh6+= (worse is 14...gh6 15.Qb2 Rb8 16.Be2+=)) 14.Ne3 Bg6 15.Bb5 Rc8 16.Be2 Rc7 17.0-0 Bg7 (17...Qg5 18.Qd2=) 18.Nh5 Rf8 19.Ng7 Rg7 20.Rf8 Kf8 21.Bf3 Qg5 22.Qe2 h5 23.Rf1 Rf7 24.Nd1 Ne7 25.Nf2 Nf5 26.Nh3 Qe3 27.Qe3 Ne3 28.Re1 Nc2 29.Rc1 Rc7 30.Ng5 Nd4! 31.Rf1? Nf3-+ 32.Rf3 Ke7 33.Rf6 Rc6 34.Nf3 Rc3 35.Nd4 Bf7 36.Rh6 Bg6 0–1. Illig,Ursula (1750) – Prestel,Oliver (2185), Bad Woerishofen op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.e5 Bf5 6.d4 e6 7.c3 Nc6 8.Nf3 Rc8 9.Bg5 f6 10.ef6 gf6 11.Bf4 Bd6 12.Bd6 Qd6 13.Nh4 Bg6 14.Nb5 Qb8 15.Ng6 hg6 16.Qg4 Kf7 17.c4 Nh6 18.Qd1? (better is 18.Qg3 Nf5 19.Qb8 Rb8 20.0-0-0-/+) 18...a6-+ 19.Nc3 (19.Na3 Nf5 20.Nc2 Qf4-+) 19...Nf5 20.cd5 ed5 21.Bd3 Rce8 22.Kf1 Rh2 23.Rg1 Qf4 24.Bf5 Qf5 (24...gf5?! 25.Nd5 Qd4 26.Ne3-+) 25.Rb1 (25.Qb1 Qc8 26.Qb3 Rh5-+) 25...b5 26.Ra1 (26.Rb2-+) 26...Nb4 27.Ne2 (27.Qf3 what else? 27...Qf3 28.gf3-+) 27…Nc2 (27...Nc2 28.Ra3 Na3-+) 0–1. Tholfsen,Erling – Santasiere,Anthony Edward, New York Dimock, 1926. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5)

    5.ed5 Qd5

    6.Bb2 Nc6 7.Nb5 Qd8 8.Qf3 e5 9.Bc4 Nf6 10.Qb3 Bc5 11.Bf7= Kf8 12.Nf3 Qe7 13.Bc4+= Nd4 14.Nbd4+/- ed4 15.Kf1 Bg4 16.Re1 Qc7 17.Nd4 Rd8 18.Ba3 Ba3 19.Qa3 Qd6 20.Qd6 Rd6 21.c3 a6 22.f3 Bd7 23.Kf2 g6 24.g4 h6 25.Re2 b5 26.Bb3 Rh7 27.Rhe1 a5 28.Re5 a4 29.Bc2 Rf7 30.Kg3 Kg7 31.Nb5 Rd2 32.Ba4 Nd5 33.Bb3+- Nf4 34.Bf7 g5 35.Rg1 Bb5 36.Rb5 Ne2 37.Kf2 Ng1 38.Kg1 Kf7 39.Rb6 Kg7 40.c4 Rc2 41.Rc6 Kh7 42.c5 Kg7 43.h3 Kh7 44.Rc8 Kg7 45.c6 Kf7 46.Kf1 1–0. Spielmann,Rudolf – Saemisch,Fritz, Karlsbad, 1923.

    6.Bb2 Nc6 7.Nb5 Qd8 8.Qf3 f6 9.d4 (9.Bd3 Qd7=) 9...a6 (9...e5!?+=) 10.Qg3= e5 11.de5 Nb4 12.ef6 Nc2 13.Ke2 Nf6 14.Nc7 Kf7 15.Qb3 Nd5 16.Nd5 (16.Na8!? Na1 17.Ba1=) 16...Na1+/- 17.Ba1 Qe8 18.Kd2 Qd7? (better is 18...Qd8+/-) 19.Bd3+- Qe6? (19...Qc6 20.Nf3 Qh6 21.Ke2 Bd6 22.Nc7 Ke7 23.Na8 Re8+-) 20.Nh3 Bb4 21.Kd1 1–0. Neumann,Ulrich – Albrecht,Fabrice (1740), IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Bb2 Nf6 7.Nb5+= Qd8? (better is 7...Kd8 8.Na7 Bg4+=) 8.Be5+- (8.Na7?! Bf5+=; 8.Ra7?! Ra7 9.Na7 Bd7=) 8...Na6? (better is 8...Nd5 9.c4 Nd7+-) 9.Ra6! ba6 10.Nc7 Kd7 11.Na8 Ne8 (11...Qa5 12.f4+-) 12.Qg4 e6 13.Qd4 Nd6 14.Qa7 Bb7 15.Bd6 (better is 15.Nb6!? Kc6 16.Na4 Qa5+-) 15...Qa8 16.Qa8 Ba8 17.Bf8 Rf8 18.f3 (18.Ba6 Bg2 19.Bb7 Bb7-/+) 18...a5 19.Bc4 Rb8 20.Kf2 Rb1 21.g3 (21.c3!? a4 22.Bd3 Rc1 23.Bb5 Bc6 24.Ba4 Ba4=) 21...a4+/- 22.Kg2 (better is 22.h4!?+/-) 22...a3= 23.Ne2?? (23.Ba2!? Rc1 24.Bb3=) 23...Bf3?? (better is 23...Rh1 24.Kh1 Bf3 25.Kg1 Be2-+) 24.Kf3+= Rh1 25.h4 Ra1 26.Ke3 a2 27.Kd3 Kd6 28.Bb3 f6 29.Nc3 Rg1 30.Ne4 Ke5 31.Ba2 f5 32.Ng5 Rg3 33.Ke2 f4 34.Ne6 Rg2 35.Ke1 f3 36.Ng5 Re2? 37.Kd1?? Rf2?? 38.Bc4+- h6 39.Ke1 Rg2 40.Nf3 Kf4 41.Be2 g5 42.hg5 hg5 43.Kf1 Rg3 44.Kf2 Rh3 45.Kg2 Rg3 46.Kf2 Rh3 47.Kg2 Rg3 48.Kf2?? g4?? 49.Nd4 Rh3 50.Kg2 Rh6 51.Bf1 Rf6 52.Ne2 ½–½. Beck,Johannes – Hoffmann,Lukas (1785), GER–chT U16 Burg Stargard, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nb5 Qe5 7.Be2 Qa1 8.Nc7 Kd8 9.Na8 Nc6 10.d4 Qd4-+ 11.Bd3? (11.Bd2 Nf6 12.Nf3 Qd6-+) 11...Bg4 (better is 11...Qe5 12.Be3 Qb8-+) 12.f3 Bd7 13.Ne2 Qc5 14.Bf4 e5 15.Bf5 (15.Bg3 Kc8 16.Be4 Nf6 17.Bc6 Bc6-+ (17...Qc6?! 18.Be5 Nd5 19.Qa1-+)) 15...Nf6 16.Bg5 Bd6 17.Ng3 Kc8 18.Bf6 gf6 (better is 18...Qb4 19.Kf1 gf6-+) 19.Bd7? (19.Ne4 Qa5 20.c3 Bf5 21.Nb6 ab6 22.Nd6 Kc7 23.Nf5 Qc3 24.Kf2-+) 19...Kd7 20.Ne4 Qe3 21.Kf1 Qd4 (21...Ra8 22.Qd6 Kc8 23.Nf6+=) 22.Qb1 Qc4 (better is 22...Qb4!? 23.Qa2 Ra8 24.Qf7 Be7 25.Kf2 Qd4 26.Kg3-+) 23.Kf2 Bc5 24.Kg3 Kc8 25.Rd1 (25.Nc5 Qc5 26.Qb3 Kb8-+) 25...Rg8 26.Kh4 (26.Kh3 Qe6 27.g4 Be7-+) 26...Be7 27.Rd7 Kd7 28.Qb7 Ke6 29.Nc7 Kf5 30.Nb5 Qe6 31.Kh5 Rg2 (31...Rg2 32.Nd4 ed4-+) 0–1. Oganesian,Andranik – Cherkasov,Vladimir (2075), Obninsk op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nb5 Qe5 7.Be2 Qa1 8.Nc7 Kd8 9.Na8 Nc6 10.Nf3 Bf5 11.Ng5 Nh6 12.0-0 Kc8 (12...Qe5 13.d4 A) 13...Nd4? 14.Nf3 Qd6 15.Nd4+- (worse is 15.Qd4 Qd4 16.Nd4 e5 17.Nf5 Nf5+/-); B) 13...Qb8+=) 13.c3? (13.d3!?-/+) 13...Qa2 14.d4 f6 (14...Kb8 15.d5 Na5 16.Bd3 Bd3 17.Qd3-+) 15.Nf3 (15.d5 Nd8 (worse is 15...fg5 16.dc6 bc6 17.Bf3=) 16.Ne6 Ne6 (worse is 16...Be6 17.de6 Qe6 18.Bh6 gh6 19.Bg4=) 17.de6 Be6 (17...Qe6 18.Qa4 Kb8 19.Bf4 Ka8 20.Bf3 Nf7 21.Rb1 Nd8 22.Qe8 Qc6 23.Bc6 Bc8 24.Bb7 Bb7 25.Qd8 Bc8 26.Qc8) 18.Bh6 gh6+=) 15...Kb8-/+ 16.d5 Nd8 (16...Ka8 17.dc6 bc6 18.Bh6 gh6 19.Qd8 Kb7 20.Nd4+-) 17.Nb6 ab6 18.Bf4 Kc8 19.Bb5 Nhf7 20.Nd4 g6 (20...Qd5!? 21.Qa4 Nd6 22.Bd6 ed6 23.Rd1-+) 21.Re1 (21.Nf5 gf5 22.Qd3 Bh6+=) 21...Nd6 (better is 21...Qd5!? 22.c4 Qc5-/+) 22.Bd6= ed6 23.Re8? (23.Nf5 gf5 24.Qd3 Kb8+=) 23...Bg7?? (better is 23...Bd7 24.Re1 Bb5 25.Nb5 Qc4-+) 24.Re7 Bf8 25.Re8 Bg7?? 26.Nf5 gf5-/+ 27.Re7 Bh6 28.Qh5 Qb1 29.Bf1-/+ Bd2 30.Qh4 Qb3 31.Qf6 Rg8 32.Qd6 Qc3 33.Qd7 Kb8 34.Qd6 Ka8?? 35.Qb6?? Qa5 36.Qb2 Bc3 37.Qc2 f4 38.Qh7 Qd5-/+ 39.Rc7 Be5 40.Qc2?? Bc7-+ 41.Qc7 Ne6 42.Qf7 Rf8 43.Qe7 Rc8 44.h3 Kb8 45.Qf7 Rf8 46.Qe7 Rd8 47.Qf7 Rd7 48.Qg8 Kc7 49.Qg6 Nd4 50.Qf6 Qe4 51.Qf8 b6 52.Qa3 f3 53.Qc3 Kb7 54.Qb2 fg2 55.Bg2 Rg7 56.f3 Qe1 57.Kh2 Qg3 58.Kh1-+ Nf3 59.Bf3 Qf3 60.Kh2 Qg3 61.Kh1 Qg1 0–1. Arca,L – Simeoni,Matteo (2035), Palocco tt, 1998. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Nc6 7.Nb5 Qd8 8.Bb2 (8.d4 Bf5 9.Bf4 Rc8 10.Na7 Na7 11.Ra7 Qb6+=) 8...Nf6 9.Be2 Bf5 10.0-0 e6 11.Ne5 a5 12.Bf3 Ra6 (12...Ne5 13.Be5 Rc8 14.Bb7 Rc2= (worse 14...Bc2 15.Qf3 Bd3 16.Bc8 Bb5 17.Be6+-)) 13.Nc6+= bc6 14.Nd4 Be4 15.Qe2 (15.Qe2 Rb6 16.Be4 Ne4 17.Qe4 Rb2 18.Nc6+-) 1–0. juliangon (2635) – craig4000 (2045), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Nc6 7.c4 Qd8 8.Be2 (8.d4 e5 9.d5 Bb4 10.Bd2 Bd2 11.Qd2 e4+=) 8...Nf6 (8...e5 9.Qc2-/+) 9.d4+= e6 10.0-0 Be7 11.Nb5 0-0 12.Bf4 Ne8 (12...a6!?+=) 13.d5= ed5 14.cd5 Na5 15.Qa4 (15.d6 Bf6 16.Ra3 Nc6=) 15...b6+= 16.d6 Bd6 (better is 16...Bf6 17.Rac1 Bd7=) 17.Qd4?? (17.Nd6 Nd6 18.Rfd1+/-) 17...Qe7?? (better is 17...Nc6 18.Qe4 Bf4 19.Qf4 Qf6-+) 18.Nd6+- Nd6? (better is 18...Nb3 19.Qd5 Na1 20.Qa8 Nd6 21.Ra1 Ba6+/-) 19.Bd6 Qe2 (19...Qd7 20.Bf8 Qd4 21.Nd4 Kf8 22.Rfc1+-) 20.Bf8 Kf8 21.Rfe1 Ke8 1–0. Januszkiewicz,Wojciech (1725) – Maruszczak,J (1820), Lazy Poland, 6th Guzinskiego Mem, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Nc6 7.Bc4 Qe4 8.Be2 Qg6 9.0-0 Nf6 (9...Bh3 10.Ne1+=) 10.Nb5= Kd8 11.d4 Bf5? (11...Bh3 12.Ng5 Bf5 13.d5+=) 12.Ne5?? (better is 12.d5 Bc2 13.dc6 Bd1 14.cb7+-) 12...Ne5 13.de5 Kc8?? (better is 13...Nd7 14.Nd4 Be4+/-) 14.Na7 (worse is 14.ef6 a6 15.Qd4 Be4+-) 14...Ra7 15.Ra7 Bc2 (15...Nd7 16.e6! fe6 17.Rb7 e5+-) 16.Ra8 Kc7 17.Qd8 Kc6 18.Rc8 1–0. Nagel – Roach, Cleveland, 1973. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Nc6 7.d4 Nf6 8.c4 (8.Nb5 Kd8=) 8...Qd8 (8...Qe4 9.Qe2 Bg4 10.Qe4 Ne4 11.d5=+) 9.d5= Nb8 10.Nb5 e6?? (better 10...Na6=) 11.d6+- (11.Ra7? Ra7 12.Na7 Qa5 13.Nd2 Qa7-+) 1–0. juliangon (2705) – bobby fissure (2130), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Bd7 7.Bc4 Qe4 8.Kf1 e6 9.d3 Qf5 10.Bb2 Nf6 11.Nd4 Qf4 12.g3 Qc7 13.Qf3 Nc6 14.Ndb5=+ Qd8 15.Qf4 Rc8 16.g4 h6 17.h4 a6-+ 18.Nd6 Bd6 19.Qd6 Na5 20.Rg1 Bc6 21.Qe5 Qc7 22.Qc7 Rc7 23.g5 hg5 24.hg5 Nh5 25.g6 Nc4 26.Nc4 f6-/+ 27.Nb6 Bf3-+ 28.c4 Nf4 29.Re1 Rc6 30.Na4 Nd3 31.Re3 Nb2 32.Nb2 Rb6 33.Nd3 Rb1 34.Ne1 Bc6 35.Re6 Kd7 36.Re3 Rh4 37.Rc3 Re4 38.Re3 Rc4 39.Ke2 Rd4 0–1. Stock,Ulrich – Luckow,Rolf, GER op Germany, 1993.

    6.Nf3 Bd7 7.d4 e6 8.c3 (8.Bd3 Bb4 9.Bd2 Bd2 10.Qd2 Nf6+=) 8...Bd6 (8...Bc6 9.Nc4 b5 10.Ne3+=) 9.Nc4 Bc7 10.Be2 (10.Nfe5 Qe4 11.Be3 Nf6=) 10...Bc6 (10...Nf6 11.Nce5+=) 11.0-0 Ne7 12.Ne3 Qd7 13.Qc2 f6 (13...Ng6 14.c4 Nf4 15.d5 ed5 16.cd5 Nd5 17.Rd1 Ne3 18.Be3+=) 14.Ba3 Kf7 (14...b5 15.Rfb1+=) 15.c4 Bf3 16.Bf3 Nbc6 (16...Qd4? 17.Bb7 Nbc6 18.Ba8 Ra8 19.Be7 Ne7 20.Qh7+-) 17.d5 ed5 18.Bd5 Nd5 19.cd5 Nd4 20.Qa2 Bb6 (20...Bf4 21.Rfd1 Nb5 22.d6 Qe6 23.Qd2+=) 21.Rfe1 (21.Nc4 Rhd8 (21...Qd5?? 22.Nd6 Kg6 23.Qd5+-) 22.Nb6 ab6 23.d6 Ne6=) 21...Rhe8 22.d6 Qe6?? 23.Qb1?? g6 24.Qd3 Qb3 25.Qb3 Nb3 26.Rab1 Na5 27.Nd5 Nc6 28.Kf1 Re5 29.Rbd1 Bd8 30.f4+= Re1 31.Re1 a5-/+ 32.d7 a4 33.Re8+= Ra5 34.Rf8?? Kg7?? 35.Nb4= Nb4? 36.Rd8 Nc6+= 37.Rc8 Rd5 38.Rc7 Kh6?? 39.Rb7 (39.Rb7 Nd8 40.Rc7+/-) 1–0. Lauche,Christoph – Pirs,M (2245), 12th Sueder Summer, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Bg4 7.Nb5 Qc5 8.d4 Qb6? 9.Bf4+- Na6 10.Ra6! ba6 (10...Qa6 11.Nc7 Double attack (11.Nc7 Decoy); 10...ba6 11.Nc7 Double attack) 11.Nc7 Kd7? (better 11...Kd8 12.Na8 Qb7+-) 12.Na8+- Qe6 13.Be2 (better 13.Ne5!? Qe5 14.Be5 Bd1 15.Kd1 e6 16.Ba6 Ne7 17.Bb5 Nc6+-) 13...Qe4 (13...Bf3 14.gf3 Qc6+-) 14.Ne5 (14.Ne5 Kd8 15.Nf7 Kd7 16.Qd3 Qf4 17.Ne5 Kd8 18.Qa3 Qe5 19.de5+-) 1–0. marekt (2425) – bobby fissure (2230), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Bg4 7.Nb5 Qc5 8.d4 Qc8 9.h3 (9.Bf4 e5 10.Be5 Bb4 11.Ke2 Na6+=) 9...Bd7 (9...Bf3!? 10.Qf3 A) 10...Qc2?? 11.Qb7 (11.Na7 Ra7 12.Bb5 Nc6 13.Ra7 Qc1 14.Qd1 Qd1 15.Kd1 Kd7 16.Rb7 Kd6+-) 11...e6 12.Nc7 Kd8 13.Bg5 (worse 13.Na8 Qc3 14.Ke2 Qa1 15.Qb8 Ke7 16.Qc7 Kf6 17.Qe5 Ke7 18.Qc5 Ke8 19.Nc7 Kd7 20.Qf8 Qc1 21.Qf7 Ne7 22.Qe6 Kc7 23.Qe7 Kb6+-) 13...Nf6 14.Rc1 Bb4 15.Qb4 Qe4 16.Kd1+-; B) 10...Nd7+=) 10.Na7+- Qd8 11.Ne5 Nc6 12.Nd7 Qd7 (12...Ra7 13.Ra7 Na7 14.Nf8 Kf8 15.c3+-) 13.Bb5 Qe6? (better 13...e6 14.Nc6 Ra1+-) 14.Be3 Nf6 (14...Rd8 15.c4 Nf6+-) 15.Nc6 Ra1 16.Qa1 bc6 17.Qa8 Kd7 18.Ba6 (better 18.Qb7 Kd8 19.Ba6 Qe3 20.fe3 e6 21.Qc8 Ke7 22.Qc7 Nd7+-) 18...Qe4 19.Qc8 Kd6 20.0-0 Nd5 (20...Nd7 21.c4 g5 22.c5 Ke6+-) 21.c4 Nf6 22.c5 (22.c5 Kd5 23.Rc1 Qg4 24.hg4 e6 25.Qc7 Ng4 26.Bc4 Ke4 27.Qf4) 1–0. juliangon (2695) – bobby fissure (2240), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Bg4 7.Nb5 Bf3 8.Nc7 Kd8 9.Nd5 Bd1 10.Nb6 Bc2 (10...ab6? 11.Ra8 Kc7 12.Kd1+-) 11.Na8 Nc6 12.Nb6 Nf6 (worse is 12...ab6 13.Ra8 Kd7 14.Rf8+=) 13.Bb2? (better is 13.Nc4-/+) 13...ab6-+ 14.Bc4 e6 15.Ra8 (15.d3 Na5 16.Kd2 Nc4 17.dc4 Bf5 18.Ra8 Kc7 19.Be5 Kc6 20.Rc8 Kd7 21.Rc7 Ke8-/+) 15...Kc7 16.Ba3 Nd7 17.0-0 Ndb8 18.Bb2 Bc5 19.d3 (19.Rc1 Bf5 20.Bg7-+) 19...Rd8 20.Bg7 Bd3 21.Bd3 Rd3 22.Ra4 Bd4 23.Bh6 (23.Bd4 Nd4 24.Rfa1 e5-+) 23...b5 24.Ra2 Na6 25.Be3 Nab4 26.Ra8 Nd5 27.Bd4 Nd4 28.Rf8 f5 29.Rf7 Kb6 30.Rh7 Ne2 (30...b4 31.Rh8-+) 31.Kh1 Ndc3 32.h4 Rd1 (better is 32...b4!? 33.Re7 Rd6 34.g4-+) 33.Rd1 Nd1 34.h5? (34.f3 b4 35.Re7-+) 34...Nf2 35.Kh2 Ng4 36.Kh3 b4 37.Rd7 b3 (better is 37...Nf6 38.Rd2 Nh5 39.Kh4-+) 38.Rd2 Nf4 39.Kh4 Kb5 (39...Nf6!? 40.h6 Kc5 41.Rb2-+) 40.Kg5 Nd5 41.h6 Nh6! 42.Kh6 Kb4 43.Re2 Ka3 44.Re6 b2 45.Re1 Ka2 46.Re5 (46.Kg5 Ne3!! 47.g3-+) 46...b1Q 47.Rd5 Qh1 (47...Qh1 48.Kg5 Qg2 49.Kf4 Qd5-+) 0–1. Pomaro,Stefano (1915) – Salzano,Guido (2055), Ravenna op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d5 5.ed5 Qd5)

    6.Nf3 Bg4 7.Nb5 Bf3 8.Qf3 Qf3 9.gf3 Kd7 10.Na7 Nc6 =+.

    6.Nf3 Bg4 7.Bc4 Qe4-/+ 8.Kf1 a6 9.d3 Bf3 10.gf3 Qh4 11.Nb5 Kd7 12.c3 e6 13.Qa4 Qh3 14.Ke2 Nc6 15.Nd4 Qh5 16.Nc6 bc6 17.Rb1 Qe5 18.Be3 Bd6 19.Rb7 Bc7 20.d4 Qd6=+ 21.d5 ed5 22.Bd5= Ne7 23.Bf7 Kc8?? 24.Qg4 Kb7 25.Rb1 Bb6 26.Rb6 Kc7 27.Bf4 Qf4 28.Qf4 Kb6 29.Qb4 Kc7 30.Qe7 (30.Qe7 Kb6 31.Qe3 Kb7 32.Qe5+-) 1–0. Pinkus,A – Santasiere,Anthony, Dimock Theme, 1926.

    4.Na3 d6

    5.Bb2 e5 6.Nb5 =+.

    5.Bb2 e5 6.d4 Nf6 7.Bd3 (7.Nf3 Ne4 8.Bb5 Nc6=) 7...Nc6 (7...ed4 8.Ne2 d5 9.ed5 Bb4 10.Kf1+=) 8.Ne2 Be7 9.0-0 0-0 10.c4 Re8 11.d5 Nb4 12.Nc2 Nd3 13.Qd3 Nd7 14.Ba3 b6 15.Ne3 Nc5 (15...g6 16.Nc3-/+) 16.Bc5+= bc5 17.Rfb1 Bg5 18.Ng3 (18.Nc3 a5+=) 18...g6 19.Ra3 a5 20.Rba1 (20.Ne2 Re7-/+) 20...Re7 21.Nd1 Rb7 22.Nc3 Bd7 (22...Rb4 23.Nb5-/+) 23.Nb5-/+ Bb5 24.cb5 Qc7 25.Qc4 (25.Ra4!?-/+) 25...Bd2-+ 26.f4? (better is 26.Nf1 Bb4 27.Rg3-/+) 26...ef4 27.Ne2 Rab8 28.Rd1 (28.Rb1-+) 28...Be3 29.Kh1 (29.Re3 fe3 30.Nc3 Qe7-+) 29...Rb5 30.Nc3 Rb4 31.Qa6 Bd4 0–1. Shabanaj,Saimir (2170) – Damljanovic,Branko (2570), Cetinje MNT, Batricevic Mem, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Bb2 e6 6.Bc4 Nf6 (6...d5 7.ed5 ed5 8.Bb5 Nc6 9.Nf3+=) 7.Qf3 (7.Bf6 gf6 8.Nf3 Nd7+=) 7...Nc6-/+ 8.Ne2 Be7 9.0-0 0-0 10.Bb3 Rb8 (10...e5 11.Qd3-/+) 11.d4 (11.Rfe1 b5+=) 11...d5-/+ 12.e5 Ne4 13.Qe3 f5 (13...Bg5 14.f4 Be7 15.c4+=) 14.f3+= Ng5 15.h4 (15.c4!? Na5 16.Rfc1+=) 15...Nf7-/+ 16.g3 b5 17.Nf4 Qb6 18.Nd3 (18.Rfe1 a5-+) 18...a5 19.g4? (better is 19.c3-+) 19...fg4 (19...a4 20.gf5 ab3 21.cb3 Bh4 22.fe6 Be6 23.Nc5-+) 20.fg4 (20.c3 b4 21.cb4 Nb4-+ (21...Bh4?! 22.b5-+)) 20...a4 21.Ba2 b4 (21...Bh4?! 22.c3-+) 22.Nb1 (22.Nc5 Qd8 23.Nb1 a3-+) 22...a3 (worse is 22...Bh4 23.Nc5 Bg5 24.Qf2-+) 23.Bc1 (23.Ba3 ba3 24.Nd2 Qd4 25.Qd4 Nd4-+) 23...Nd4 24.Rf2 (24.Na3 ba3 25.Rb1 Ne2 26.Kg2 Qe3 27.Be3 Rb1 28.Rb1 Nc3-+) 24...Bh4 25.Na3 Bf2 26.Nf2 ba3 27.Rb1 (27.c3 Nc2 28.Qb6 Rb6-+) 27...Qb1 28.Bb1 Rb1 0–1. Sickenberger,Manfred – Wilde,M, Unterfranken–ch, 1987. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Bb2 e6 6.Nf3 Nf6 7.Bb5 Bd7 (7...Nc6 8.e5 de5 9.Ne5+=) 8.Qe2 (8.Bf6 gf6 9.Bd7 Qd7=) 8...Be7+= 9.0-0 0-0 10.h3 (10.Rfb1 Nc6+=) 10...a6 (10...Nc6 11.d4-/+) 11.Bd3 (11.Bd7 Nbd7 12.c4 d5-/+) 11...Qc7 (11...Nc6 12.Nc4-/+) 12.e5+= de5 13.Be5 Qc8 (13...Qc5 14.Ng5 g6 15.Rfe1+=) 14.Nc4 Qd8 15.Rfb1 (15.Na5 Bc6=) 15...b5 16.Ne3 (better is 16.Bf6!? Bf6 17.Nce5=) 16...Nc6-/+ 17.Bh2 (17.Bf4 Nb4-/+) 17...Nb4 18.Ne5 Nd3 19.Qd3 Qc8 20.Ra2 Bc6 21.Nc6 Qc6 22.Qe2 Bd6 23.Bd6 Qd6 ½–½. Kagan,M (2230) – Jovanovic,Peter, Doeberl Cup Canberra AUS, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Bb2 e6 6.Nf3 Nf6 7.c3 Nbd7 8.Qc2 Be7 9.d4 0-0 10.Bd3 e5 11.Nc4 Qc7 12.Ne3 Re8 13.0-0 b6 14.Qb3 Nf8 15.Rfd1 Be6 16.c4 ed4 17.Bd4 N8d7 18.Nd5 Nd5 19.cd5 Bg4 20.Rac1 Nc5 21.Qc3 Bf3 22.gf3 Qd7 23.Bb1 (23.Rb1 Nd3 24.Qd3 Bg5-/+) 23...Qh3 24.Kh1 Bg5 25.Rg1 Bf4 (25...Na4 26.Qd3 Bc1 27.Bg7-/+) 26.Rg2 (26.Rg7!? Kf8 27.Rg3 Bg3 28.fg3-/+) 26...Rac8 27.Bg7 Ne4 28.Qc8 Rc8 29.Rc8 Qc8 30.Be4? (30.fe4 f6 31.Bh6 Bg5 32.Bg5 fg5 33.Rg5 Kh8-+) 30...Qc1 (better is 30...f5!? 31.Be5 Kf7 32.Bf4 fe4 33.fe4-+) 31.Rg1 Qg1! 32.Kg1 Kg7 33.h3 h6 34.Kf1 Kf6 35.Ke2 Ke5 36.Kd3 f5 0–1. Sanchez Bernandino (2040) – Exposito Amaro (2130), Sant Boi op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.c3 Nf6 6.Qc2 g6 7.Nf3 Nc6 8.d4 Bg7 9.Bd3 0-0 10.0-0 Bg4 11.Rb1 Bf3 12.gf3 b6 13.Re1 Rc8 14.Qa4 Na5 15.Bd2 Nd7 16.Ba6 Ra8 17.Bb5 Nb8 18.Be3 a6 19.Bf1 b5 20.Nb5 (20.Qc2!?-/+) 20...ab5-+ 21.Rb5 Nd7 22.Reb1 Nc6 23.Qc4 Rc8 24.Qd5 Nf6 25.Qa2 Rb8 26.c4 Nd7 27.e5? (27.Qd2-+) 27...de5 28.d5 Nd4 29.Bd4 Rb5 30.Rb5 ed4 31.c5 Be5 32.f4 Bf4 33.Bg2 (33.h3 Nf6 34.Bc4 Ne4-+) 33...d3 34.Bf3 Qc7 0–1. Olsen,Michael RW (1965) – Pedersen,Hans Dahl (2185), Koege DEN, Xtracon Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6)

    5.c3 Nf6 6.Nf3 g6 7.Bd3 (7.Bb5 Nc6=+) 7...Bg7 8.0-0 0-0 9.Bc2 b6 10.d4 Bb7 11.Re1 Nc6 12.Bb2 Rc8 13.Rc1 (13.c4 a6=+) 13...a6 14.c4 White intends d5 14...Nd7 15.Qd2 e5 16.d5 Na5 17.Qe2 Bh6 18.Rb1 Qc7 19.Bd3 Nc5 20.Bc3 Ba8 21.Bd2 Bd2 22.Nd2 Rb8 23.Bc2 Bb7 24.Qe3 Kg7 25.f4 f6 26.Nf3 (26.Rf1 Ra8=+) 26...Bc8 27.h3 (27.f5 Nd7 28.Qd3 Ra8-/+) 27...Qe7 (27...Nd7 28.Nd2-/+) 28.f5=+ Bd7 29.g4 (29.Rb2 Qd8=+) 29...g5 30.Kg2 h6 31.h4 Rh8 32.Rb4 Rb7 33.Rh1 Be8 34.Nb1 (34.Kf2 Qc7=+) 34...Bf7 35.Nbd2 Rbb8 36.Rhb1 (36.Kf1 Be8=+) 36...Nd7 (36...Qc7!?-/+) 37.Ba4= Nc5 38.Bd1 (38.Bc2!?=) 38...Qd8 39.h5 Kf8 (39...Qc7 40.Ba4-/+) 40.Ne1 Kg7 41.Nd3 (41.Nef3!?=) 41...Qc7=+ 42.Ne1 Nd7 (42...Rhc8 43.Be2=+) 43.Be2 (43.Ba4!?=) 43...Rhc8 44.Nd3 Nc5 45.Nf2 Nd7 46.Nf3 (46.Nd3 Nb7=+) 46...Nc5 47.Nh3 (47.Nd2!?=) 47...Kf8 48.Nhg5?? (better 48.Nd2=+) 48...hg5 49.Ng5 (49.Nd2-+) 49...fg5 50.Qg5 Qd7 (50...Ne4 51.Qe3 Nf6 52.Qh6 Ke7 53.g5-+) 51.Qh6 Ke8?? (51...Kg8 52.f6 Be8 53.Qg5 Kh7 54.Rb6 Rb6 55.Rb6-+) 52.Bf3 (52.Qh8 Bg8 53.Qg8 Ke7 54.f6 Kf6 55.Rf1 Qf5 56.Rf5 Ke7 57.Rf7) 52...Kd8-+ 53.Rb6 Kc7 (better 53...Rb6 54.Rb6 Nc4-+) 54.Rb8 Rb8 55.Rb8 Kb8 56.Qf8 Kc7 (56...Be8 57.h6 Nc4 58.Qg8-+) 57.g5? (better 57.h6!? Be8 58.Qg8+=) 57...Nc4 (57...Bh5 58.Bh5 Ne4 59.g6-+) 58.g6 Be8 (better 58...Bd5 59.ed5 Ne3 60.Kf2 Nf5-/+) 59.g7 Bf7 (59...Ne3 60.Kf2 Ne4 61.Be4 Ng4 62.Kf3 Nh6=) 60.h6+- Ne3 61.Kf2 (better 61.Kg1 Ne4 62.Be4+-) 61...Nf5?? (61...Ng4 62.Bg4 Ne4 63.Ke1 Bd5 64.h7=) 62.ef5 (better 62.h7 Nd3 63.Kf1 Ng7 64.h8Q+-) 62...Qf5= 63.g8Q Ne4?? (better 63...Qc2 64.Kg3 Bg8 65.Qg8 Ne4 66.Be4 Qe4+-) 64.Ke3 (better 64.Kg1 Bg8 65.Qf5+-) 64...Qf4 65.Ke2 (65.Kd3 Qd2 66.Ke4 Qd4 67.Kf5 Qf4) 65...Nc3 (65...Qd2 66.Kf1 Qf2) 66.Kf2 (66.Kd3 Qf3 67.Kc2 Qd1 68.Kc3 Qd4 69.Kc2 Qc4 70.Kb1 Bg8 71.Qe7 Kb8 72.Qd6 Qc7 73.Qf8 Qc8 74.Qd6 Ka7 75.Qe5 Bh7 76.Ka2 Qc4 77.Ka3 Qc5 78.Kb3 Qc2 79.Ka3 Qc1 80.Qb2 Qc5 81.Qb4 Qe3 82.Kb2-/+) 66...Ne4 (better 66...Bg8!? 67.Qe7 Kb6 68.Qd6 Kb5 69.Qc6 Kb4 70.Qd6 Kc4-+) 67.Kg2 (67.Ke2 Qd2 68.Kf1 Qf2) 67...Qd2-/+ (67...Bg8 68.Qf4 ef4 69.Be4=) 68.Kh3 Ng5?? (better 68...Bg8 69.Be4 Qe3 (69...Bd5? 70.h7 Qe3 71.Bf3+-) 70.Bf3 e4 71.Qe7 Kb6 72.Qe4 Qh6 73.Kg4 Qg7 74.Kf4 Qf6 75.Kg4 Qc3-/+) 69.Qg5!+- Qf4 (69...Qg5 70.Qg7 Double attack (70.Qf7 Decoy)) 70.Qf4 (70.Qgd8 Kb7 71.Qfe7) 70...Be6 (70...Be8 71.Qc4 Kb7 72.Qe7 Bd7 73.Qd7 Kb6 74.Qdc7) 71.Bg4 (71.de6 ef4 72.Qa8 Kb6 73.Qc6 Ka5 74.Qc3 Kb5 75.e7 a5 76.e8Q Kb6 77.Qec6 Ka7 78.Qb7) 71...Bg4 (71...ef4 72.de6 Kc6 73.Qc8 Kb6 74.e7 Ka5 75.Qc3 Kb6 76.e8Q Kb7 77.Qcc6 Ka7 78.Qc7) 72.Qg4 (72.Qg4 e4 73.Qgc8 Kb6 74.Qd6 Kb5 75.Qca6) 1-0. Trimitzios,Petros (2350) - Kozionov,Kirill (2470), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.c3 d6 5.Na3)

    5.c3 g6 6.d4 Bg7 7.Bc4 Nf6 8.Qc2 0-0 9.Ne2 a6 10.0-0 b5 11.Nb5 Bb7 12.e5 de5 13.de5 ab5 14.ef6 (14.Ra8 Ba8 15.ef6 Bf6 16.Rd1-/+ (16.Bb5?? Qd5 17.Nf4 Qb5-+)) 14...Ra1-+ (14...bc4?! 15.Ra8 Ba8 16.fg7 Kg7 17.Rd1+=) 15.fg7 Kg7 (better is 15...Re8 16.Bd3 e5-+) 16.Bb5? (16.Ba2 Be4 17.Qb2 Ra2 18.Qa2 e5-/+) 16...Qa5 (16...Qd5 17.Nf4 Qb5 18.c4 Rc1 19.Qc1-+ (19.cb5?? Rc2 20.Re1 e5-+)) 17.Nf4? (better is 17.c4 Kg8 18.Nd4-/+) 17...Qb5-+ 18.c4 Rc1! 19.Rc1 (19.Qc1 Qa6 Combination; 19.Rc1 Qe5 Combination) 19...Qc6 20.Qc3 Qf6 21.Qg3 Kh8 22.h4 e5 23.Nd3 Nd7 24.c5 (24.f4 e4 25.Ne5 Ne5 26.fe5 Qe7-+) 24...Rc8 25.Qg4 Qf5 26.Qg3 Be4 27.Nb2 Qf4 (better is 27...Rc5 28.Rc5 Nc5 29.Nc4-+) 28.Qf4 ef4 29.f3 Bb7 30.Nd3 h6 31.Nf4 Rc5 32.Re1 Ne5 33.Rb1 Bf3! 34.gf3 Nf3 35.Kf2 Nh4 36.Rb7 Rf5 37.Kg3 g5 38.Nh5 Rf3 39.Kh2 Kh7 40.Ng3 Rf2 41.Kh3 Kg6 42.Rb6 f6 43.Rb7 h5 44.Ne4 Re2 45.Rb4 Nf5 46.Nf6 Re3 47.Kg2 Kf6 0–1. Carrasco Fernandez,M (2040) – Bermejo Martinez,J (2120), Valencia ONCE op 9th, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6)

    5.c4 Nf6 6.Nh3? (6.d3!?+=) 6...e5 (6...Bh3 7.gh3 Ne4 8.Qf3-/+) 7.Rg1 (7.d3!?-/+) 7…Ng8 0–1. Fasoli,Stefano – Gerundino,Nicola, ITA/K–M4 corr, 1987. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6)

    5.Bc4 Nc6 6.Nf3 Nf6 7.d3 g6 8.Ng5 e6 9.0-0 Bg7 10.Bb2 0-0 11.Kh1 h6 12.Nf3 a6 13.Nd4 Nd4 14.Bd4 e5 15.Bb2 b5 16.Bb3 Be6 17.Be6 fe6 18.f4 ef4 19.Rf4 Nd7 20.Rf8 Qf8 (20...Bf8?! 21.Qg4 Qe8 22.Nb5+=) 21.Bg7 Kg7 (21...Qg7?! 22.Nb5 Qe5 23.c4+=) 22.c3 Qf2 (better is 22...Rc8!? 23.c4 bc4 24.Nc4 d5 25.ed5 ed5+=) 23.Nb5= Nc5 24.Nd6 Rd8 25.e5 Rf8 26.h3 (26.d4 Nb3 27.Ne4 Qf4+/-) 26...Qb2? (better is 26...Qg3!? 27.Ne4 Ne4 28.de4 Qc3 29.Ra6 Qe5 30.Ra7 Kg8=) 27.d4+/- Nd3 28.Qa4 (28.Ne4 Nf4 29.Qf1 Ng2+/-) 28...Nf4 29.Ra2 Qc1 30.Kh2+- Qe3 31.Qd7 Kg8 32.Ne8 Rf7?? 33.Nf6 Kg7 34.Qc8 Rf6 35.ef6 Kf6 36.Qf8 Kg5 37.Qe7 Kf5 38.Ra5 Nd5 39.Rd5! (39.Rd5 ed5 40.Qe3+-) 1–0. Ferrandi,Bernard (2005) – Vanschamelhout,Julien (1670), Calvi Balagne op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Bc4 e6 6.Bb2 Nf6 7.Qe2 Be7 8.Nb5 Nc6 9.Nf3 0-0 10.d4 Ne4! 11.Qe4 d5 12.Qg4 dc4 13.d5 Bf6 14.dc6 Bb2 15.cb7 Bb7 16.Ra2 c3 17.0-0 (17.Nbd4 a5 18.Ra4 Qd7-+) 17...a5 (17...Qd5 18.Ra5-+) 18.Ra4 (18.Nfd4 a4 19.Rb1 Bd5 20.Rab2 cb2 21.Rb2 f5-+) 18...Ba6 19.Qh5 Qb6 20.Rh4 h6 21.Nbd4 Bf1 22.Ne5 (22.Kf1 Rfd8-+) 22...Ba6 (better is 22...Bb5 23.Ng4 e5 24.Nb5-+) 23.Rg4 (23.Nd7 Qd8 24.Nf8 Qf8-+) 23...Bc1 (23...Ba3!? 24.h3 Qb2 25.Qh6 Qc1 26.Qc1 Bc1 27.Nb3-+) 24.h4 Rad8 25.Ndc6 (25.Nec6 Rd4! 26.Nd4 f5-+) 25...Rd1 26.Kh2 Qf2 27.Nf3 Qc2 (better is 27...Ba3!? 28.Nce5 Bd6 29.Qh6 Be5 30.Ne5 Qg1 31.Kh3 Qh1 32.Kg3 Qe1 33.Kh3 Qe5 34.Qf4 Qf4 35.Rf4-+) 28.Ne7 Kh8 29.Qe5 f6 30.Qe6 Bd3 31.h5 (31.Qd6 Re8 32.Qd7 Rb8-+) 31...Ba3 32.Nh4 Be7 33.Qe7 Rg8 34.Qf7 Qb1 35.Qe6 Rh1 (better is 35...Qb8 36.Rg3 c2 37.Qc6-+) 36.Kg3 Qe1 (36...Qe1 37.Qe1 Re1-+) 0–1. Roumeliotis,Angelos (1800) – Kiriazis,Dimitrios (1900), Ambelokipi op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Nc4 Nc6 6.d3 Nf6 7.Be3 Be6 8.Nd2 g6 9.d4 d5 10.Bd3 de4 11.Ne4 Ne4 (11...Nd4? 12.Nf6 ef6 13.Bd4+-) 12.Be4 Bd5 13.Qf3 Be4 14.Qe4 Bg7 15.Nf3 0-0 16.0-0 Qd7 (16...f5 17.Qe6 Kh8 18.c3+=) 17.d5= Nd8 18.Ra7 Ra7 19.Ba7 e6 20.Rd1 ed5 21.Rd5 Qc6 22.h3 Ne6 23.c4 b6 24.Qb1 Qc4 25.Rb5 Ra8 26.Bb6?? (better is 26.Rb6 Ra7 27.Re6 Qe6 28.Qb8 Bf8 29.Qa7=) 26...Ra1-+ 27.Qa1 Ba1 (27...Qb5?! 28.Qa8 Bf8 29.Be3=) 28.Ra5 Bg7 29.Ra8 Bf8 30.Be3 Qc6 31.Rb8 Qd6 32.Ra8 Qd5 33.Rc8 Kg7 34.Rc1 Bc5 35.Bc5 Nc5 36.Ra1 Ne4 37.Re1 Ng5 38.Ng5 Qg5 39.Ra1 Qe5 40.Rc1 h5 41.g3 Qe4 42.Rf1 h4 43.g4 Qf3 44.Kh2 g5 45.Rg1 Qf2 46.Rg2 Qe1 47.Rg1 Qe5 48.Kh1 Kg6 49.Rg2 Qf4 50.Rg1 f5 51.gf5 Kf5 52.Rg4 Qg4! 53.hg4 Kg4 54.Kg2 h3 55.Kh2 Kf3 56.Kh3 g4 57.Kh2 Kf2 58.Kh1 Kg3 59.Kg1 Kh3 60.Kh1 g3 (60...g3 61.Kg1 g2-+) 0–1. Kalchev,Vasiliy – Severinov,Denis, UKR–ch sf U12, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6)

    5.d4 Nd7 6.Nf3 e6 7.Bd3 Ngf6 8.0-0 Be7 9.Qe2 0-0 10.Bb2 a6 11.c4 b6 (better is 11...d5+=) 12.e5+/- de5 13.de5 Ne8?? (better is 13...Bb7 14.ef6 Bf6 15.Bf6 Qf6+/-) 14.Qe4+- g6 (14...f5 15.Qa8 Nc7 16.Qc6+-) 15.Qa8 Nc5 16.Ne1 Qc7 17.Qf3 f6 18.Qe2 Bb7 19.Nac2 Nd3 20.Nd3 Qc4 21.Ne3 Qb5 22.Nf4 Qc6 23.Qc4 Ng7 24.Qc6 Bc6 25.Rfd1 fe5 26.Be5 Bb5 27.g3 Rc8 28.Bg7 Kg7 29.Ne6 Kf7 30.Nf4 Bc5 31.Rdc1 Re8 32.Ned5 g5 33.Nc7 gf4 34.Ne8 fg3? 35.hg3 Ke8 36.Re1 Kf7 37.Rad1 Kf6 38.Re4 Kf5 39.Rh4 Kg6 40.Re1 Bd7 41.Kg2 a5 42.Reh1 a4 43.Rh7 Bb5 44.R1h6 Kf5 45.Kf3 a3 46.Rh5 Ke6 47.Rc5! bc5 48.Ra7 Kd5 49.Ra3 Kd4 50.Ra1 Bd3 51.g4 c4 52.g5 Kc3 53.Ke3 Kb2 54.Re1 Bg6 55.f4 c3 56.Kd4 c2 57.Ke5 c1Q 58.Rc1 Kc1 59.f5 Bf7 60.g6 (60.g6 Bb3 61.f6+-) 1–0. Fantini,Daniela – Baccarin Viaro,Natalia, Pan American–ch, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Nf3 a6 6.Bb2 Nc6 7.Nc4 b5 (7...Nf6 8.Bf6 gf6 9.d4=+) 8.Ne3= Bb7 9.d4 Nf6 10.d5 Na5 (10...Ne5!? 11.c4 Nc4 12.Bc4 bc4 13.Bf6 gf6 14.Nc4 Bc8=) 11.Bf6 gf6 12.Qd2 Nc4 13.Nc4 bc4 14.Bc4 Qc8 15.Bb3 Bg7 16.Ba4 (16.Ra4 Qg4 17.Qe2 0-0+= (17...Qg2? 18.Rg1 Qh3 19.Rg7+-)) 16...Kf8= 17.Rb1 f5 18.0-0 fe4 19.Ng5 Bh6 (19...Bc3 20.Qd1 Qf5 21.Nf7 Qf7 22.Rb7 Rg8+=) 20.Ne6?? (better 20.Rb7 Bg5 21.Qg5 Qb7 22.Bc6+-) 20...Qe6-/+ 21.de6 (21.Qc3 Bg7 22.de6 Bc3 23.Rb7 fe6-/+) 21...Bd2 22.Rb7 fe6 23.Rd1 Bc3 24.Bc6 Be5 25.Be4 d5 26.f4 Bf4 (26...Bd6!? 27.Bd3 a5-/+ (27...Bf4?! 28.Rf1 e5 29.g3=)) 27.Rf1=+ de4 28.Rf4 Ke8 29.Re4 Rf8 30.Re6 Looking at e7 30...Rf7 31.Re2 (31.Reb6 Kd8=) 31...a5=+ 32.c4 a4 33.Rbb2 (33.Reb2 Rd8 34.Rb8 Rf4 35.Rd8 Kd8=) 33...a3 34.Ra2 Rf6 35.Re3 Rfa6 36.Rh3 h6 37.Rg3 (37.Rd3 e5=+) 37...Kf7 (37...Kd7 38.Rh3-/+) 38.Kf2 Kf6 39.Rc3 Ke5 40.Ke3 Kd6 41.Kd4 (41.c5 Kc6=+) 41...Kc6 (41...e5!? 42.Ke4 Kc5-/+) 42.Re3= Rd8 (42...Kd7 43.g4=+) 43.Kc3 Rd7 (43...Ra7!?=) 44.Re6+- Kb7 (44...Rd6!? 45.Re7 Ra8+-) 45.Ra6 Ka6 46.Ra3 Kb6 47.Ra2 Kc5? (better 47...Rd1+-) 48.Ra5+- Kb6 49.Re5 (49.Rh5 e5+-) 49...Kc7 (49...Rd1 50.Re7 Rc1 51.Kd3 Rd1 52.Ke2+-) 50.c5 (50.Re6!? h5+-) 50...Kc6 51.Kc4 Rd2 52.Re7 (52.Re6 Kd7 53.Rh6 Rg2 54.c6 Kc7+-) 52...Rc2 53.Kd4 Rg2? (better 53...Rd2 54.Ke3 Rg2 55.Re6 Kc5 56.Rh6 Kd5+-) 54.Re6 Kb5 55.Rb6 (55.Rh6?! Rg4 56.Ke5 Rc4+-) 55...Ka5 56.Rh6 Kb5 57.c6 Rg4 58.Kd5 Kb6 59.h4 Kc7 (59...Rg1 60.Kd6+-) 60.Rh7 Kc8 61.c7 Rg6 62.h5 Rg8 (62...Ra6+-) 63.Kd6 Re8 (63...Rf8 64.Re7 Rh8 65.Re6+-) 64.Rf7 (64.Rd7 Rh8 65.Rd8 Rd8 66.cd8R Kb7 67.h6 Kb6 68.Rb8 Ka6 69.h7 Ka7 70.h8Q Ka6 71.Qa1) 64...Rh8 65.Rf6 (better 65.Re7 Kb7 66.Kd7 Rc8+-) 65...Rh7 (65...Kb7 66.h6 Rh7+-) 66.Rf8 (66.Rf8 Kb7 67.c8Q Kb6 68.Qc5 Ka6 69.Ra8 Kb7 70.Qc6) 1–0. Simacek,V (1865) – Zametzer,Marcus, 7th Arber Open, 2018.

    5.Nf3 Nc6 6.Bb2 Nf6 7.e5 de5 (7...Ng4 8.Nc4-/+) 8.Ne5=+ e6 9.Nc6 bc6 10.Nc4 Be7 11.Qf3 Qd5 (11...Bb7 12.Rb1 Qd7 13.Bf6 gf6 14.Bd3=+) 12.Qf4 c5 13.Be2 Bb7 (13...Qg2?? 14.Bf3 Qg6 15.Ba8+-) 14.Bf3 Qd7 15.Bf6 gf6 (15...Bf6? 16.Bb7 0-0 17.Ba8 Ba1 18.Bf3+-) 16.Ra3 (16.0-0!? Bf3 17.Qf3+=) 16...Bf3=+ 17.Rf3 (17.Qf3 Qd5=+) 17...Qd4-/+ 18.Qc7 Qa1 (18...Rd8!? 19.Rc3 Qe4 20.Ne3 Qa4-/+) 19.Ke2=+ Qa6 (19...Qa4 20.Rd3 0-0 21.Qe7 Qc4 22.Ra1=) 20.d3 (20.Rc3=) 20...e5 (better 20...Qc8!? 21.Qg3 Kd7=) 21.Rb1 Rc8 (better 21...Rg8!? 22.Kf1 Rg6+/-) 22.Rf6!+- Rc7 (22...Qf6 23.Qc8 Double attack (23.Qc8 Deflection; 23.Qc8 Overloading); 22...Bf6 23.Nd6 Deflection) 23.Ra6 0-0 24.Ne5 Re8 25.Nc4 Bf8 26.Kf1 Ree7 27.g3 Rb7 28.Rba1 Red7 (28...Bg7 29.R1a2+/-) 29.R1a2 Bg7 30.Kg2 Rbc7 (30...Bd4 31.h3+-) 31.Nd6 Bd4 32.Nb5 Rb7 33.Ra7 Ra7 34.Ra7 Rd8 35.Rc7 Kf8 36.Kf3 Rb8 (36...Kg7 37.h3+-) 37.Nd4 cd4 38.Rc4 Rd8 39.h4 Kg7 40.Ke4 Re8 41.Kd4 Re2 42.f3 Rg2 43.Rc5 Rg3 (43...Kf8 44.g4 Rf2+-) 44.Rg5 Rg5 45.hg5 Kg6 (45...f6 46.gf6 Kf6+-) 46.f4 Kf5 47.Ke3 (better 47.c4 Kf4 48.c5 Kf5+-) 47...f6 48.gf6 Kf6 49.Kf3 Ke6 50.c4 Kd6 51.d4 1-0. Fedoseev,Vl3 (2670) - Titus,Andrew (2155), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3)

    5.Nf3 Nc6 6.Bc4 Bg4 7.Bf7!+/- Kf7 8.Ng5 Ke8 9.Qg4 Nf6 10.Qd1 (10.Qe6 Qc8 11.Qf7 Kd7+/-) 10...h6 11.Nh3 Ne4? (better is 11...e6 12.d3 d5 13.ed5 Bb4 14.Bd2 Bd2 15.Qd2 ed5=) 12.Qh5+- Kd7 13.Qf5 e6 14.Qe4 e5 15.c3 Qf6 16.0-0 g5 17.Bb2 Bg7 18.Nc2 Rhe8 19.Qa4 Kc7 20.d4 Rad8? (20...Qf7 21.Ne3+-) 21.Nb4 Nb4 22.Qb4 (22.cb4!? a6 23.b5 ab5 24.Qb5 Rd7+-) 22...Kb8 23.f3 Bf8 (23...d5 24.Rfb1+-) 24.d5 Rc8 25.Nf2 Qf7 26.Rfd1 Rc7 27.Ne4 Qg6 28.Ba3 Rd8 29.Qa5 b6 30.Rdb1 Rb7 31.Qb5 Qf7 32.c4 Rdd7 33.Qa4 Ka8 34.Bc1 Qg7 35.Be3 Kb8 36.Bb6 ab6 37.Qa8 Kc7 38.Ra7 Ra7+- 39.Qa7 Kd8 40.Qb6 Ke8 41.Qc6 Be7 42.Rb8 Bd8 43.Nd6 Kf8 44.Qc5 Kg8 45.Qb4 e4 46.Ne4 Qd4 47.Kf1 Qd3 48.Kf2 Qd4 49.Ke2 Kh7 50.Rb7 Rc7 51.d6 Rb7 52.Qb7 Kg6 53.c5 Qc4 54.Ke3 Bf6 55.Kd2 Qd4 56.Kc2 Qc4 57.Kb1?? Qd3?? 58.Ka2+- Qc4 59.Ka3 Qc1 60.Ka4 Qc4 61.Qb4 Qc2 62.Kb5 Qd3 63.Qc4 Qb1 64.Kc6 Qb8 65.d7 Qa8 66.Kb5 Qb7 ½–½. Feicht,Roland – Wieser,Florian, Augsburg Afro op, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nc6)

    5.Nf3 e6 6.Bb2 Nf6 7.Bb5 Nbd7 8.Nc4 (8.Bf6 gf6 9.0-0 a6 10.Bd7 Bd7+=) 8...Be7 (better is 8...Ne4!? 9.d3 Nec5-/+) 9.Bf6= gf6 10.Nd4 0-0 11.Ra3 Kh8 12.Qh5 Rg8 13.Qf7 Qf8 14.Qf8 (14.Qe6 Nb6 15.Nb6 Be6 16.Na8 Qa8 (16...Rg2?! 17.Ra7 Qb8 18.Ra4+=) 17.Ne6 Qc8-/+ (17...Rg2?! 18.Rc3+=)) 14...Nf8 15.Nb6 d5 16.Ra4 (worse is 16.Na8 Ba3 17.ed5 e5+=) 16...Rb8 17.Nc8 (worse is 17.Ra7 Bc5 18.Nc8 Rc8+=; worse is 17.ed5 ab6 18.Ne6 Ne6 19.de6 Rg5-/+) 17...Rc8 18.ed5 ed5 19.Nf5 Ng6 (19...Rc2!? 20.Ne7 Rg7+=) 20.Kd1 Bc5 21.d4 Bb6 22.h4 a6 23.Be2 Rc7 24.Bf3 Rgc8 25.h5 (better is 25.Ra2+/-) 25...Nf4?? (25...Rc2 26.hg6 Rc1 27.Kd2 R8c2 28.Ke3 Rc3 29.Kf4 Rf3 30.Kf3 Rh1 31.g7 Kg8+-) 26.Rh4+- Rc2 27.Rf4 ½–½. Planinec,Albin – Parma,Bruno, Novi Sad, 1965. (=1.Nf3 c5 2.b4 cb4 3.a3 ba3 4.e4 d6 5.Na3 e6)

    5.Nf3 e6 6.d4 Nf6 7.Bd3 Be7 8.0-0 Nbd7 9.Bf4 Nf8 (9...Nh5 10.Bd2+=) 10.e5 Nd5 11.Bg3 Ng6 (11...Nc7!? 12.ed6 Bd6 13.Bb5 Bd7 14.Bd7 Qd7=) 12.Nb5 de5 13.Ne5 (13.c4 Ndf4+=) 13...0-0 14.c4 Nb4 15.Nc7 (15.Ra7 Ra7 16.Na7 A) 16...Qd4? 17.Nc8 Nd3 18.Qd3 Qd3 19.Ne7 (worse is 19.Nd3 Rc8 20.Rb1 h5+=) 19...Ne7 20.Nd3+-; B) 16...Ne5 17.Be5 Bd7=) 15...Rb8 (15...Qc7? 16.Ng6 Qd8 17.Nf8 Qf8 18.Qd2+/-) 16.Ra7 (16.Bg6 hg6 17.Ra7 Qc7 18.Ng6+=) 16...Nd3 (better is 16...Ne5!? 17.Be5 Nc6+=) 17.Ng6 (17.Qd3 Ne5 18.Be5 Bf6 19.Bf6 Qf6+=) 17...hg6 (better is 17...fg6 18.Qd3 Bc5+/-) 18.Nb5 (better is 18.Qd3 Bd6 19.Bd6 Qd6 20.Nb5+/-) 18...Bd7+= 19.Qd3 Bb5 20.cb5 Bd6 21.Ra2 Bg3 22.hg3 Qd5 23.Rd2 Ra8 24.Re1 Rfd8 25.Re5 Qd6 26.Qe4 Qb6 ½–½. Vavruska,Antonin (2155) – Lacko,Jan (2180), MOR–chT, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.f4 Nf6-/+ 6.d3 g6 7.Bd2 (7.Nf3 Nc6-/+) 7...Bg7 8.Rb1 e5 (8...0-0 9.Nf3-/+) 9.Qf3 (9.fe5 de5 10.Nf3 Nfd7+=) 9...Nc6 10.Nh3 (10.fe5 Ne5 11.Qf4 Qe7-/+) 10...0-0 (10...d5 11.Nf2-+) 11.c3-+ d5 12.Nf2 ef4 13.Qf4 Re8 14.Be2 Qe7 15.Nb5 de4 16.de4 Ne4 17.Ne4 Qe4 18.Qe4 Re4 19.Kf2 Bf5 (19...Be5 20.Bf3 Rc4 21.Rhe1-+) 20.Bf3 (20.Nd6 Re2! 21.Ke2 Bb1 22.Rb1 b6-+) 20...Re5 (20...Re7 21.Rbd1-+) 21.Rb2 Rd8 22.Bf4 (22.Bc6 bc6 23.Na7 Re6-+) 22...Rc5 (22...Re7 23.Nd6 Bc3 24.Rb7 Bd4 25.Kg3-/+) 23.Be3-/+ Rc4 24.Na7 Na7 25.Ba7 Rc3 (25...Bc3 26.Rb5 Rd2 27.Kg3-+) 26.Ra2 Ra8 (26...b5 27.Bb6 Rb8 28.Ba7-+) 27.Rd1 Be6 (27...Rc7 28.Re2-+) 28.Ra5 (better is 28.Bb7 Re8 29.Bd5-/+) 28...Bf5 29.Bd4?? Rc2 (29...Rc2 30.Kg3 Ra5 31.Bg7 Kg7 32.Bb7 Ra3 33.Bf3 g5-+) 0–1. Tatlow,Stephen – Mutton,J (2210), ch–GBR Torquay ENG, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    5.Bb2 Nc6

    6.d4 Nf6 7.Bd3 Qa5 8.Kf1 e5 9.Nc4 Qc7 10.d5 Nb4 11.f3 Be7 12.Ne2 0-0 13.Ba3 Nd3 14.Qd3 Rd8 15.Kf2 Nd7 16.Ne3 Nc5 17.Qd2 Bh4 18.g3 Bg5 0–1. Zimmerman,J – Ggat, Compuserve thematic, 1994. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    6.d4 Nf6 7.Bd3 e6 8.Nf3=+ Be7 9.0-0 0-0 10.c4 b6 11.Qe2 Bb7 12.Rfd1 Re8 13.e5= Nd7 14.Nb5 Qb8 15.Qe4 Nf8 16.ed6 Bd6 17.Nd6 Qd6 18.Ba3 Qd8 19.Bf8 Kf8 20.Qh7+= Qf6 21.Be4 Qh6 22.Qh6 gh6 23.Ne5 Nd8 24.Bb7 Nb7+= 25.Ra3 f6 26.Ng4 Ke7 27.Re1 Nd6 28.c5 bc5? 29.dc5+/- Nb5 30.Rf3 f5? 31.Rf5+- a5 32.Rf6 Ra6 33.Rh6 a4 34.Rd1 Rf8 35.Ne5 Rf5 36.Rd7 Ke8 37.Rb7 (37.Rb7 Rd6 38.Rh8 Rf8 39.cd6 Nd6 40.Rb8 Ke7 41.Rhf8+-; 37.Rh8 Rf8 38.Rhh7 Rf6 39.Rb7 Ra8 40.Rbe7 Kd8 41.Nc6 Kc8 42.Re8) 1–0. Marshall,Frank James – Saemisch,Friedrich, it, Baden–Baden, 1925. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6) Same as the game below. Which is correct?

    6.d4 Nf6 7.Bd3 e6 8.Nf3 Be7 9.0-0 0-0 10.c4 b6 11.Qe2 Bb7 12.Rfd1 Re8 13.e5 Nd7 14.Nb5 Qb8 15.Qe4 Nf8 16.ed6 Bd6 17.Nd6 Qd6 18.Ba3 Qd8 19.Bf8 Kf8 20.Qh7 Qf6 21.Be4 Qh6 22.Qh6 gh6 23.Ne5 Nd8 24.Bb7 Nb7 25.Ra3 f6 26.Ng4 Ke7 27.Re1 Nd6 28.c5 bc5 29.dc5 Nb5 30.Rf3 f5 31.Rf5 a5 32.Rf6 Ra6 33.Rh6 a4 34.Rd1 Rf8 35.Ne5 Rf5 36.Rd7 Ke8 37.Rb7 0–1. Chigorin,M – Tarrasch,S, Nuremberg, 1896. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6) Same as the game above. Which is correct?

    6.d4 Nf6 7.d5 Ne5 8.f4 Qa5 9.c3 Ned7 =+.

    6.Nf3 Bg4 7.Be2 e5 8.0-0 Be7 (better is 8...Nf6!?+=) 9.Ne5+= Be2 10.Nc6 bc6 11.Qe2 Nf6 12.d4 0-0 13.e5 de5 14.de5 Ba3 15.Ra3 Re8 16.Rg3 g6 17.Rd1 Qe7 18.Qa6 Rad8 19.Rd8 Rd8 20.h3 Ne4 21.Re3 (better is 21.Rd3 Rb8 22.Rb3 Rb3 23.cb3=) 21...Rd1 22.Kh2 Nf2 (22...Nf2 23.Qc8 Qd8 24.Qd8 Rd8+=) 0–1. Salihbegovic – Marceli, playchess.de, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bb2 Nc6)

    6.Nf3 Bg4 7.h3 Bd7 8.d4 Nf6 9.d5 Qa5 10.Nd2 Ne5 11.Nac4 Qc7 12.Ne5 (12.Ne5 de5 13.Nf3 Ne4 14.Be5=+). battousai (2745) – ruter (2580), net–chess.com, 2009.

    5.Bb2 Nd7

    6.Nb5 a6 7.Nf3 Ngf6 8.Nc3 (8.Qe2 e6+=) 8...g6 (8...b5 9.Nb5 Ne4 10.Nc3 Nc3 11.Bc3+=) 9.d4 Bg7 10.Bd3 0-0 11.0-0 e5 12.Nb5 (12.Re1 ed4 13.Nb5 Ne5+=) 12...Qb6+= 13.Bc3 (better is 13.Qe1 Rb8 14.Nc3+=) 13...Rb8?? (better is 13...Ne4 14.Be4 Qb5+=) 14.Ba5+- Qc6 (14...Qa5 15.Ra5 ab5+-) 15.Na7 (15.Na7 Qe4 16.Be4 Ne4 17.Bc7+-) 1–0. trkn – guest80, ICC, 2004.

    6.Bc4 Ngf6 7.d3 g6 8.g4 Bg7 9.g5 (9.Nb5 Nb6 10.g5 Nh5 (10...Nc4 11.gf6 Nb2 12.fg7+-) 11.Bg7 Ng7 12.Na7 Nc4 13.dc4 0-0-/+) 9...Nh5 (9...Qa5 10.Ke2 Qg5 11.Nb5-/+) 10.d4 (10.Bg7 Ng7 11.d4 Nb6=+) 10...0-0-/+ 11.Ne2 Nb6 12.Bb3 Bg4 13.Qd2? (better 13.Qd3!?-/+) 13...Bf3-+ 14.Rg1 Be4 15.Ng3 Ng3 16.hg3 Rc8 (16...a5 17.c4-+) 17.Qe2 Bf5 18.Rh1 d5 (18...e5 19.g4 ed4 20.gf5-+) 19.g4 Be6 (19...Bd7 20.f4-+) 20.f4 Qd7 21.Qh2 Rfd8 22.Qh7 Kf8 23.Rd1 (better 23.f5 gf5 24.g6 fg4 25.gf7 Bf7 26.Nb1-+) 23...Bg4 24.Rd2 Qf5 25.Rdh2 (25.Rf2 Nc4 26.Bc4 dc4-+ (26...Rc4?! 27.Nc4 dc4 28.Kf1-+)) 25...Qe4 26.Kd2 Bh5 (26...Qf4 27.Ke1 Qg5 28.Kf1-+) 27.Rh5 (27.Rh4 Qf3-+) 27...gh5 (better 27...Qf4 28.Kd1 Qf3 29.Ke1 gh5 30.Qh5 Qh5 31.Rh5 Nc4 32.Bc4 dc4-+ (32...Rc4?! 33.Nc4 dc4 34.c3-+)) 28.Qe4 de4 29.Rh5? (29.Ke3-+) 29...Bd4 30.Bd4 Rd4 31.Ke3 Rd6 (better 31...Rb4!? 32.Rh7 e6 33.f5-+) 32.Nb5 Rc3?? (better 32...Rd7 33.Ke4 Rc5 34.Na7 Nc4-+) 33.Nc3+- Kg7 34.Ne4 Rc6 35.f5 f6 (35...Nd7+-) 36.g6 Nc4 37.Bc4 (better 37.Kd4!? e5 38.fe6 Kg6 39.Bc4 Kh5+-) 37...Rc4 38.Rh7 Kg8 (38...Kf8 39.Kd3 Rc6+-) 39.Re7 Rc6 40.c3 (better 40.Rb7 a5+-) 40...a5 (40...a6 41.Rb7 a5 42.c4 a4 43.Ng3 Rd6 44.Nh5 Kf8 45.g7 Kg8 46.Rb8 Rd8 47.Rd8 Kf7 48.g8Q Ke7 49.Qe8) 41.Rb7 Ra6 (41...a4 42.Rf7 a3 43.Nf6 Rf6 44.Rf6 a2 45.Ra6 Kf8 46.f6 Ke8 47.f7 Ke7 48.Ra7 Kf8 49.Ra8 Ke7 50.f8Q Kd7 51.Ra7 Ke6 52.Ke4 a1Q 53.Qe7) 42.c4 (42.Nf2 Rc6 43.Ng4 Rc3 44.Kd4 Rd3 45.Kd3 Kh8 46.Nh6 a4 47.Rh7) 42...a4 43.Rb2 (43.Nf2 Ra8 44.Ng4 Re8 45.Kf4 Re7 46.Re7 Kf8 47.Rd7 Kg8 48.Nf6 Kf8 49.g7) 43...a3 (43...Kg7 44.c5 a3 45.Rb7 Kg8 46.Ng3 Ra5 47.Nh5 Ra8 48.Nf6 Kf8 49.g7) 44.Ra2 (44.Rb8 Kg7 45.Ng3 Kh6 46.Nh5 Rb6 47.Rh8 Kg5 48.g7 Rb2 49.g8Q Kf5 50.Ng3 Ke5 51.Qd5) 44...Kg7 45.c5 Kh6 (45...Kf8 46.Nd6+-) 46.c6! Rc6 (46...Rc6 47.Ra3 Deflection) 47.Ra3 Rc1 (47...Rc7 48.Nf6 Kg5 49.Nd5+-) 48.Nf6 (48.Ra7 Re1 49.Kf4 Re4 50.Ke4 Kg5 51.g7 Kh5 52.g8Q Kh4 53.Rh7) 48...Re1 (48...Kg7 49.Nh5 Kh6 50.Ra8+-) 49.Kf2 (better 49.Kf4 Rf1 50.Rf3 Rf3 51.Kf3+-) 49...Re5 (49...Rb1+-) 50.Ng4 Kg5 51.Ne5 Kf5 52.Rf3 Ke4 53.g7 Kd4 54.g8Q Ke4 (54...Ke5 55.Qg5 Kd4 56.Rf4 Kc3 57.Qc5 Kb3 58.Rb4 Ka2 59.Qa5) 55.Qd5! Kd5 56.Nd3 Ke4 57.Ke2 Kd4 58.Re3 Kc3 59.Nf2 Kd4 60.Nh1 Kc4 61.Kf3 Kd4 62.Kf4 Kd5 63.Kf5 Kd4 64.Kf4 Kd5 65.Re4 Kc5 66.Kf5 Kd5 67.Ng3 Kd6 68.Re5 Kc6 69.Ke4 Kd6 70.Kd4 Kc6 71.Rh5 (71.Nf5 Kb7 72.Kc5 Kc7 73.Re7 Kc8 74.Kc6 Kb8 75.Re8 Ka7 76.Rg8 Ka6 77.Ra8) 71...Kd6 72.Rh6 Ke7 73.Kd5 Kf7 (73...Kd7 74.Rh7 Kc8 75.Nf5 Kd8 76.Kd6 Ke8 77.Nh6 Kf8 78.Rf7 Ke8 79.Rg7 Kd8 80.Rg8) 74.Ra6 (74.Nf5 Ke8 75.Rd6 Kf7 76.Rc6 Ke8 77.Ke6 Kd8 78.Ne7 Ke8 79.Rc8) 74...Ke7 (74...Kg7 75.Nf5 Kg8 76.Ke6 Kh7 77.Kf7 Kh8 78.Rh6) 75.Rb6 (75.Nf5 Kf7 76.Re6 Kg8 77.Rf6 Kh7 78.Ke6 Kg8 79.Rg6 Kf8 80.Nh6 Ke8 81.Rg8) 75...Kf7 (75...Kd7 76.Nf5 Kc7 77.Rc6 Kb7 78.Nd6 Ka7 79.Kc5 Kb8 80.Kb6 Ka8 81.Rc8) 76.Ke5 Kg7 (76...Ke7 77.Rb7 Ke8 78.Ke6 Kd8 79.Ne4 Kc8 80.Nd6 Kd8 81.Rd7) 77.Kf5 (77.Nf5 Kf8 78.Kf6 Ke8 79.Rd6 Kf8 80.Rd8) 77...Kf7 78.Rb7 Ke8 (78...Kf8 79.Ke6 Kg8 80.Nh5 Kh8 81.Kf7 Kh7 82.Rb5 Kh6 83.Nf4 Kh7 84.Rh5) 79.Ke6 Kd8 80.Rh7 (80.Ne4 Kc8 81.Nd6 Kd8 82.Rd7) 80...Kc8 81.Kd6 (81.Kd6 Kb8 82.Kc6 Ka8 83.Kb6 Kb8 84.Rh8) 1-0. Mukhina,Jana (2065) - Valdes,Le (2400), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bb2)

    6.d4 Ngf6 7.Bd3 g6 8.Nf3 Bg7 9.0-0 0-0 10.Nb5 a6 11.Qd2 Nb6 12.e5 de5 13.de5 Nfd5 14.Nbd4 Bg4 15.Rae1 Bf3 16.Nf3 Rc8 17.Re4 e6 (17...Nd7 18.Rd1+=) 18.Rh4 (18.Ba3!?+=) 18...Nd7 19.c4 Ne7 20.Qe3 Qc7 21.Re1 Nc6 22.Ba3 Nde5 23.Bf8 Rf8 (23...Nd3 24.Bg7 (worse is 24.Qd3 Bf8 25.Ra1 Bg7+=) 24...Ne1 25.Bf6 Nf3 26.gf3+-) 24.Ng5? (24.Ne5 Ne5 25.Be2 Rd8+=) 24...Nd3 (better is 24...Qd8 25.Rh3 Nd3 (25...Qd3?! 26.Qd3 Nd3 27.Rd3+=) 26.Ne6 Qa5 27.Nf8 Qe1 (worse is 27...Ne1 28.Nh7 Qe5 29.Ng5-+; 27...Bf8?! 28.Rd1 Nde5 29.Rh4-/+) 28.Qe1 Ne1 29.Nh7 Ne5-+) 25.Qd3-/+ Ne5 (25...Qa5!? 26.Nf3 Ne5-/+) 26.Qh3+= h5 (26...Nc4?? 27.Rc4 Rc8 28.Rc7 Rc7 29.Qh7 Kf8 30.Qh4+-) 27.Rf4? (better is 27.Rhe4!?+=) 27...Nd3!-+ 28.Rf7 Rf7 29.Qd3 Qa5 30.Qe3 Bd4 (30...Bd4 31.Qe6 Bf2 32.Kh1 Qe1 (32...Be1?? 33.Qf7 Kh8 34.Qf8) 33.Qe1 Be1 34.Nf7 Kf7-+) 0–1. Hornstein,Norman M – Zerkowitz,G, corr, 1956. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    6.Nf3 Ngf6 7.e5 de5 8.Bc4 e4 9.Ng5 e6 10.Qe2 Nb6 11.Bb3 Be7 12.0-0 0-0 13.Ne4 Bd7 14.Ng3 a6 15.Rfe1 Re8 16.c4 Bc6 17.Rac1 Na4 18.Ba4 Ba4 19.Rc3 b5! 20.Rf3 (20.cb5 ab5 Passed pawn) 20...b4-+ 21.Nb1 Bc6 22.Rf4 a5 23.Nh5 Nh5 24.Qh5 Rf8 25.Re3 Bg5 26.Rh3 (better is 26.Rg4!? f6 27.f4-+) 26...h6-+ 27.Rg4 e5 (27...f6!? 28.Qg6 Qe8 29.Rg5 hg5 30.Qh7 Kf7 31.Qh5 Ke7 32.Qh7-+) 28.Be5 Bd7 29.f4 Bg4 30.Qg4 f5 31.Qg3 Bf6 32.Rh6? (32.Qg6 Be5 33.Qe6 Rf7 34.Qe5-+) 32...Be5 33.Qg6 (33.fe5 Qd4 34.Kf1 Qc4 35.Kf2 Qd4 36.Ke2 Qe4 37.Kf2 Qb1+=) 33...Bd4 (better is 33...Qd4 34.Kh1 Qd3 35.Qh7 Kf7 36.Qg6 Ke7 37.Qe6 Kd8 38.Qd5 Qd5 39.cd5 gh6 40.fe5-+) 34.Kf1 Rf6 35.Qh7 Kf7 36.Rh5 Qc7 (36...Qc7 37.Qg6 Kg6-+) 0–1. Schulz,Hans Juergen (1985) – Putzbach,Gerd (2170), Hamburg Seniors op, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.a3 ba3 5.Na3 Nd7)

    5.Bb2 Nf6

    6.Bb5 Nc6 7.d3 a6 8.Bc6 bc6. Simoes,Guilherme – van Deursen,Peter, ICCF EM/J50/P071 ICCF Email, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bb2 Nf6)

    6.Bc4 Nc6 7.Qe2 e5 8.Nf3 Be7 9.0-0 0-0 10.Rfb1 Bg4 11.h3 Bh5 12.d3 a6 13.g4 Bg6 14.Nh4 b5 15.Bb3 Qb6 16.Ng6 hg6 17.c3 Nh7 18.Kg2 Bg5 19.Nc2 Nf6 20.Ne3 Na5 21.Nd5 Nd5 22.Bd5 Nc6 23.Ra2 Ra7 24.Rba1 Ne7 25.Bb3 a5 26.d4 a4 27.Bc2 Bf6 (27...Rc8 28.Rb1 ed4 29.Ba1+=) 28.Bc1 (28.c4 bc4 29.de5 Be5 30.Be5 de5 31.Qc4 g5 32.Ba4 Ng6+=) 28...ed4 29.g5 Be5 30.f4 b4 (30...Rc8 31.Rb1 Rc3+= (worse is 31...dc3 32.Rb5 Qd8 33.Be3+/-)) 31.fe5+/- b3 32.ed6 ba2 (32...Nc6 33.Ra4 bc2 34.cd4 Ra4 35.Ra4+/-) 33.de7 Re7 34.Ra2 (34.Ba4 Qb1 35.Qa2 Qe4 36.Kg3 Qe1 37.Kg4 Qg1 38.Kf3 Rc8-+) 34...dc3 35.Be3 Qb8 ½–½. Siats,Norbert – Schneider,H.A, TT/4303 corr BdF, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    6.Bc4 Nc6 7.Qe2 g6 8.Nf3 Bg7 9.d4 0-0 10.0-0 d5 11.ed5 Nd5 12.Bd5 Qd5 13.c4 Qd8 14.d5= Bb2 15.Qb2 Na5 16.Rfe1 b6 17.Qd2 f6 18.Nd4 Rf7 19.Rad1 Ba6 20.Ne6+= Qc8 21.Qb4 Nb7 22.Re3 Qd7 23.Rde1 Rc8 24.Nd4 Qd6 25.Qa4 Nc5 26.Qd1 Rd8 27.Qe2 e5 28.de6 Re7 29.Nac2 f5 30.h4 Bb7 31.h5 Qf4 32.hg6= hg6 33.Rg3 Kg7 34.Qd1 Rh8 35.Ne3 Be4 36.Qa1 Kf8?? 37.Ndf5+- Reh7 38.Qf6 Ke8 39.Ng7 Rg7 40.Qf4 Rgh7 1–0. Klaman,Konstantin – Dubinin,Peter Vasilievich, URS–ch sf, 1946. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bb2 Nf6)

    6.Bc4 Nc6 7.Qe2 g6 8.Nf3 Bg7 9.d4 0-0 10.0-0 d5 11.ed5 Nd5 12.Qe4 Nf6 13.Qh4 e6 14.Nb5 a6 15.Bd3 Rb8 16.Na3 Nd5 17.Qg3 Qc7 18.Qh4 (18.c4!? Qg3 19.fg3-/+) 18...Qf4-/+ 19.Qg3 Qg3 20.hg3 Rd8 21.Rfd1 b5 22.Rab1 Nb6 23.c3 Bb7 24.Nc2 e5 25.Be4 f5 26.Bc6 Bc6 27.Nb4 Bb7 28.Ng5 (28.Ne5 Be5 29.de5 a5-+) 28...Re8 29.Nc2 (29.d5 a5 30.Nc6 Ra8-+) 29...Rbc8 30.Ba1 (30.Nb4-+) 30...h6 31.Nf3 Be4 (31...Be4 32.Rbc1 Bc2 33.Rc2 ed4-+) 0–1. Deambrosi,Ricardo – Patrici,Norberto Eugenio, LADAC XI ch–ARG f, 1987. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    6.Bd3 e5 7.Nf3 Be7 8.0-0 0-0 9.Bc3 Nbd7 10.Bb4 a5 11.Nb5 Qb6 12.Qe2 Nc5 13.Bc5 Qc5 (13...dc5?! 14.Ne5 a4 15.Bc4=) 14.Rfb1 Bd7 15.Nc3 Qc7 16.h3 h6 17.Na4 Ba4 18.Ra4 Nd7 19.c3 Nc5 20.Ra2 Nd3 21.Qd3 Rfc8 22.Rab2 Rab8 23.Rb6 a4 24.Qc2 a3 25.Qa2 d5 26.Qd5 Rd8 27.Qb3 1–0. Bascetta,Biagio (1735) – Szoller,Terez (1655), SB–2011–0-00131, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bb2 Nf6)

    6.e5 de5 7.Be5 Nc6 8.Nf3 e6 9.Nc4 Bc5 10.Bb2 Ne4 11.Ne3 0-0 12.Bd3 f5 13.0-0 Nd4 14.Ra4 Nf3 15.Qf3 Ng5 (15...Nd2!? 16.Qg3 Rf7-/+) 16.Qg3+= Rf7 17.h4 Ne4 18.Be4 fe4 19.Ng4 Qd2 20.Re4 Qc2 (20...Bd6 21.Be5 Be5 22.Ne5 Rf8+= (22...Qc2 23.Rc4 Qf5 24.Nf7 Qf7 25.Rc7+-)) 21.Nh6 Kf8 22.Bg7 Ke8 (22...Rg7 23.Rf4 Double attack (23.Rf4 Decoy)) 23.Nf7 Qe4 24.Nd6 (24.Nd6 Bd6 25.Qd6+/-) 1–0. Yurtseven,M (2145) – Okus,M (1965), Konya TUR, Team Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

    6.Bf6 ef6 7.Qf3 g6 8.Ne2 Bg7 9.Nc3 0-0 10.Nab5 Nc6 11.Qg3 f5 12.Ra3 (12.Bd3 fe4 13.Be4 Re8-/+) 12...Be5 13.f4 Bf6 14.Kd1 a6 15.Nd5 Bh4 16.Qc3 fe4 17.g3 Bg4 18.Kc1 (18.Be2 Be2 19.Ke2 Be7-+) 18...Be7 19.Nd4 Rc8 20.Bc4 (better is 20.Bg2-+) 20...Ne5! 21.fe5 de5 22.Ne7 (22.Ra1 ed4 23.Qd4-+) 22...Qe7 23.Rb3 ed4 (23...ed4 24.Qd4 Rfd8-+) 0–1. Lynn,William – Barlow,Matthew (2200), North Island–ch, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bb2 Nf6)

    5.Bc4 Nf6

    6.Bb2 Nc6 7.Qe2 e6 8.Nf3 Be7 9.0-0 0-0 10.Nb5 Ne8 (10...d5 11.Bd3-/+) 11.Qe3 Will a7 fall? 11...a6 12.Nbd4 Bd7 13.Nc6 Bc6 (worse is 13...bc6 14.Ba6 Nf6 15.Rfb1+=) 14.Nd4 Bd7 15.f4 Rc8 (15...b5 16.Bd3+=) 16.Bb3 Qc7 17.Kh1 (17.e5 de5 18.fe5 Bc5=) 17...Bf6 18.Rae1 e5 19.fe5 de5 20.Nf5 Nd6 (better is 20...Bf5 21.Rf5 b5+=) 21.Nd6+/- Qd6 22.Ba3 Qc6 23.Bd5 Qc2 24.Rf6 (24.Bf8?! Rf8 25.Rc1 Qb2+=) 24...gf6 (24...Qc7+-) 25.Qg3 Kh8 (25...Bg4 26.Qg4 Kh8 27.Be7 Qc6 28.Bc6 Rc6 29.Bf8 Rc2 30.Qg7) 26.Be7 (26.Be7 Qc6 27.Bc6 Rc6 28.Bf8 Bg4 29.Qg4 Rc2 30.Qg7#; 26.Bf8?! Rf8 27.Qh4 Qd2 28.Qf6 Kg8+=) 1–0. Spielmann,Rudolf – Gebhardt,U, Munich, 1926. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.Bb2 e6 7.Qe2 Be7 8.Nf3 Nc6 9.0-0 0-0 10.Nb5 a6 11.Nbd4 Nd4 12.Bd4 d5 13.ed5 Nd5 14.Rfb1 Bf6 15.Be5 Be5 16.Qe5 Qf6 17.Qe4 Rd8 18.Ra3 Qg6 19.Qh4 Nf6 20.Bd3 Qh5 21.Qg3 Qc5 22.Rc3 Qd6 23.Qh4 b5 (23...Rd7-/+) 24.Rb4?? (better is 24.Bh7 Nh7 25.Rd3 Qd3 26.cd3=) 24...Bb7-+ 25.Rf4 e5?? (25...Bf3 26.Rf3 Qd4 27.Qd4 Rd4 28.Ra3-+) 26.Rf6-/+ Qf6?? 27.Bh7?? Kf8-+ 28.Rc7 g6 29.Rb7 e4 1–0. Bungo,Gregory – Johnson,Kyle, US Masters op, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.Bb2 Bg4 7.f3 Bd7 8.Ne2 e6 9.0-0 Bc6 (9...Nc6 10.d4-/+) 10.Bc3 (10.Bf6 Qf6 11.Nb5 Qd8+=) 10...Be7 11.Nd4 0-0 (11...d5 12.ed5 Bd5 13.Bb5 Nc6 14.Nc6 bc6 15.Be2-/+) 12.Qe2 (better is 12.Be6!? fe6 13.Ne6+=) 12...d5-/+ 13.Nc6 Nc6 14.Bd3 White intends e5 14...Bc5 15.Kh1 a6 16.e5 Nd7 17.f4 b5 18.Nb1 b4 19.Bb2 a5 20.f5 Nd4 21.Bd4 Bd4 22.f6?? (better is 22.c3!? bc3 23.dc3 Be5 24.Bb5-/+) 22...g6 (better is 22...Ba1 23.fg7 Kg7 (23...Be5?! 24.gf8R Kf8 25.Bb5-/+) 24.Qg4 Kh8-+) 23.c3 Be5 24.Bb5 Bc7 25.Qf2 h6 26.Qh4 Kh7 27.cb4 Be5 28.Ra5+= Ra5 29.ba5 Bf6 30.Qb4 Be7 31.Qc3 Nc5 32.a6 Qb6-+ 33.Be2 Ne4 34.Qf3 Ng5 35.Qd3-/+ Qa7 36.Nc3 Ne4 37.Ne4+= de4 38.Qe4 Qd7 39.Bd3 f5 40.Qc4 Rc8 41.Qb3 Bf6 42.Bc4+= Qa7 43.Rb1 Re8 44.Qa2 Qf2+/- 45.a7 Ra8= 46.Rb7 Bg7?? 47.Qa1+- e5 48.Qe5 (48.Qe5 Qe1 49.Qe1 Re8 50.Qe8 h5 51.Qg8 Kh6 52.h4 g5 53.Qg7) 1–0. Waechter,Thomas (1770) – Bendzulla,Jan, JBLN Ost, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.d3 g6 7.Bb2 Bg7 8.Nf3 Qa5 9.Nd2 Qg5 10.Nb5 Qg2 11.Rf1 Kd8 12.Na7 (worse is 12.Bf7 Nc6-/+ (12...Qh2?! 13.Na7 Rf8 14.Bc4=)) 12...Na6 13.Nc8 Kc8 (13...Rc8 14.Bf7 Qh2 15.Bd4=) 14.Bf7+= Rf8 15.Be6 Kc7 16.Nc4 (16.Nf3 Nh5 17.Nd4 Bd4 18.Bd4 Nf4=) 16...Nc5= 17.Ne3 Qh2 18.Nd5 (18.Bf6!? Bf6 19.Nd5 Kb8 20.Ra8 Ka8 21.Nf6 Rf6 22.Qa1 Kb8 23.Bg8+=) 18...Nd5+= 19.Bg7 Ne3 20.fe3? (20.Ra8 Nd1 21.Bf8-+) 20...Qg3-+ 21.Kd2 Ra1 22.Ba1 (22.Qa1 Qg2 23.Kc3 Qf1 24.Qf1 Rf1 25.Bg8-+) 22...Qg2 (22...Ne6?! 23.Rf8 Nf8 24.Qf1-/+) 23.Qe2 Qe2 (better is 23...Qf1 24.Qf1 Rf1-+) 24.Ke2-/+ Rf1 25.Kf1 Ne6 26.Kg2 Kd7 27.Kf3 Ke8 28.Kg3 Kf7 29.Bc3 g5-+ 30.Kf3 h5 31.Kg3 Kg6 32.Kf3 g4 33.Kg3 Kg5 34.e5 de5 35.Be5 h4 36.Kg2 Kf5 37.Bc3 Ng5 38.Bb4 e6 39.e4 Kg6 40.Bc3 Kh5 41.Be1 Nf3 42.Bc3 Kg5 43.Bb2 Ne1 44.Kf2 Nc2 45.d4 g3 46.Kg1 Ne1 47.d5 ed5 48.ed5 Kf5 49.Bc3 Nd3 50.Kg2 Nf4 51.Kh1 Nd5 52.Be1 Kg4 53.Kg1 h3 54.Kh1 Kf3 55.Kg1 Ne3 56.Kh1 Ng4 0–1. Waechter,Thomas (1770) – Hippe,Franziska (1670), JBLN Ost, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.d4 Nc6 7.Bb2 (7.d5 Ne5 8.Bb5 Bd7+=) 7...e6 (7...Ne4 8.Nb5-+) 8.Qe2 (8.d5 Ne5 9.Bb5 Bd7 10.Bd7 Ned7+=) 8...Be7 (8...Ne4 9.Qe4 d5 10.Qd3 dc4 11.Nc4-/+) 9.Nb5 (9.d5!? Ne5 10.Bb5 Bd7 11.Bd7 Ned7 12.de6 Qa5 13.Kd1 fe6 14.Nb5-/+) 9...d5 10.Bd3 de4 11.Be4 Ne4 (11...a6 12.Bc3-+) 12.Qe4 0-0 13.Nf3 a6 14.Na3 Qd5 15.Qe2 b6 16.0-0 Bb7 17.c4 Qh5 18.Rfd1 Rfe8 19.Qe3 (19.Bc3-+) 19...Rac8 (better is 19...Na5!? 20.Nd2 Rec8-+) 20.d5-/+ Ba3 (better is 20...ed5 21.Rd5 Qg6 22.Qb6 Rb8-/+) 21.dc6+= Rc6 (21...Bc6 22.Ra3 Bf3 23.gf3+=) 22.Ra3+/- Rc4 (22...Rc5 23.Rd7 Bc6 24.Ra7 Rc4 25.Qb6+/-) 23.Qb6 Qb5 24.Qb5 ab5 25.h3 (25.Ne5 Rc2 26.Rb3 f6+/-) 25...Bd5 (25...b4 26.Rb3 Bd5 27.Nd2+/-) 26.Rc3 ½–½. Lutz,Klaus Juergen – Weiss,Matthias, Hessen–ch qual–C, 1988. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.d4 Ne4 7.Bf7 Kf7 8.Qh5 g6 9.Qd5 Kg7 10.Qe4 e5 -/+.

    6.Qe2 Nc6 7.Nf3 +=.

    6.Qe2 g6 7.Bb2 Bg7 8.Nf3 0-0 9.0-0 Nbd7 10.d4 (10.Rfb1 b6+=) 10...Nb6 11.Bb3 Nh5 (11...d5 12.ed5 Nbd5 13.Rfe1+=) 12.Qe3 Nf6 13.c4 (13.Qe2 d5 14.ed5 Nbd5+=) 13...Bd7 14.Nc2 (14.Rfe1 Qc8+=) 14...a5 15.c5 a4 16.Ba2 Ng4 17.Qa3 Nc8 (17...Qc7 18.Rfb1+=) 18.h3 Nh6 19.Ne3 Kh8 (19...dc5 20.dc5 Bb2 21.Qb2=) 20.Qb4 Ra7 21.Nc4 (21.Rfc1 Kg8=) 21...f5+= 22.e5 d5 23.Nb6 (23.Na3 e6=) 23...Nb6+= 24.cb6 Ra6 25.Ba3 (25.Bd5? Rb6 26.Qa3 Bb5-+) 25...e6 26.Rab1 Nf7 (26...Rg8 27.Qb2+=) 27.Qc3 Re8 28.Bc5 (28.Qc7 Qc7 29.bc7 Bc6-/+) 28...Qa8 (28...Ng5 29.Nd2-/+) 29.Ne1 (29.Rfc1 Bh6 30.Rc2 Rc8+=) 29...Rc8 30.Nd3 Ra5 31.Rfe1 Rb5 (31...Bb5 32.Nf4 Nd8 33.Qg3+=) 32.Rb5= Bb5 33.Nf4 Bd7 34.Nd5 ed5 35.e6 Be8 36.ef7= Bf7 37.Re7 Bg8 38.Rc7 Re8 39.Re7 Rd8 40.Qe1 Bf6 41.Re3 Rc8 42.Qb4 Qa6= 43.Bd6 Rc1 44.Kh2 Qf1 45.Be5?? Be5-+ 46.de5 Qf2 47.Qd4 Be6 48.Rd3 Qd4 49.Rd4 Rc6 50.Ra4 Rb6 51.Ra5 Ra6 52.Ra6 ba6 53.Kg3 Kg7 54.Kf4 h6 55.Ke3 d4! (55...d4 56.Kd4 Ba2-+) 0–1. Podgorny,Jiri – Ujtelky,Maximilian, CSR–ch Prague, 1953. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.Nf3 Ne4 7.d3 Qa5 8.Kf1 -/+.

    6.Nf3 e6 7.0-0 (7.Qe2 Nc6+=) 7...Be7 (7...Ne4!? 8.d3 Nf6-/+) 8.Re1+= 0-0 9.d4 d5 10.ed5 Nd5 11.Bd3 Nc6 12.c4 Nb6 13.Nc2 Nb4 14.Nb4 Bb4 15.Bh7 Kh7 16.Ng5 Kg6 17.Re5 (17.Qg4!? f5 18.Qg3 Be1 19.Ne6 Kf7 20.Nd8 Rd8 21.Qb3+=) 17...Bd6 (better is 17...f5!? 18.Re6 Rf6 19.Rf6 Qf6-/+) 18.Ne6+= Be5 19.Qg4? (better is 19.Qd3!? f5 20.Nd8 Rd8 21.Bb2+=) 19...Kh7-+ 20.Qh5 Kg8 21.Nd8 Bh2?? (better is 21...Bd4 22.Ba3 Rd8-+) 22.Kh2 Rd8 23.Bg5 (better is 23.Qh4 Re8 24.d5+-) 23...f6?? (23...Rd4 24.Be3 Rd6+-) 24.Bf6!+- gf6 (24...Rf8 25.Be7 Rf7+-) 25.Qg6 Kf8 26.Qf6 Ke8 27.Re1 (27.Re1 Be6 28.Qe6 Kf8 29.Qf6 Kg8 30.Re7 Nc4 31.Qg7) 1–0. Zielinski,Wojciech (1900) – Kanarkiewicz,Michal (1800), Wiosna Poland, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    6.h3 Ne4!? 7.Bf7 Kf7 8.Qh5 g6 9.Qd5 Kg7 10.Qe4 e5 -/+.

    6.h3 g6 7.Bb2 Bg7 8.Nf3 a6 (8...0-0 9.Qe2+=) 9.0-0 0-0 10.Qe2 Nc6 11.d4 (11.Qd3 b6-/+) 11...b5-/+ 12.Bb3 Bb7 13.Rfd1 (13.d5 Na5-/+) 13...Na5 14.e5 (better is 14.d5-/+) 14...Nb3 (better is 14...Nd5-/+) 15.ef6= Bf3 16.gf3 Nd4 17.Bd4 (worse is 17.Rd4 Bf6 18.Rb4 Bb2 19.Rb2 e6+=) 17...Bf6 (17...ef6 18.Qd3=) 18.Bf6 ef6 19.Qd2 Qc8 20.Qh6 (better is 20.Qd6!? Qh3 21.Qf6+=) 20...b4-/+ 21.Nb1 Qc2 22.Nd2 (22.Rd6? Qb2 23.Rda6 Ra6 24.Ra6 Qb1 25.Kg2 Qd3-+) 22...d5 23.Nf1 Rfd8 24.Ne3 Qc5 (24...Qc3 25.Rab1 a5 26.Nd5 Qf3 27.Rd3 Qd5 28.Rd5 Rd5 29.Kf1+=) 25.Rac1 (25.Ra5 Qb6+= (worse is 25...Qa5 26.Nf5 gf5 27.Kh1 Qc5 28.Rg1 Kh8 29.Qf6)) 25...Qf8 26.Qf4 Qd6 27.Qd4 (27.Qd6 Rd6 28.Nd5 Rad8 29.Nf6 Kf8 30.Rd6 Rd6 31.Nh7 Kg7=) 27...a5+= 28.Rc5 (28.Nd5!? Kg7 29.Qh4+=) 28...Qe5-/+ 29.Qd2 (29.Qg4 h5 30.Qh4 Qg5 31.Qg3 a4-+) 29...Qg5 30.Kf1 Qh5 31.Kg2+= Qg5 32.Kf1 Qh4 33.Kg2 d4 34.Ng4 Kg7 35.Qf4 d3 36.Qc4 h5-+ 37.Rc7 Rf8 38.Ne3 Qc4 39.Rc4 Rfd8 40.Nf1 b3 41.Rc3 a4 42.Nd2 Rac8 43.Rdc1 Rc3 44.Rc3 b2 45.Ra3 Rc8 46.Rd3 Rc2 47.Nb1 Rc1 48.Na3 b1Q 49.Nb1 Rb1 50.Rd4 Ra1 51.f4 h4 52.Kf3 a3 53.Ra4 f5 54.Ra7 a2 55.Kg2 Kh6 56.Ra8 f6 57.Ra6 Kh5 58.Ra8 g5 59.f3 g4 60.fg4 fg4 61.Ra5 f5! 62.Rf5 Kg6 63.Ra5 g3 64.Rg5 Kf6 65.Ra5 Re1 66.Ra2 Kf5 67.Rb2 Kf4 68.Rb4 Re4 69.Rb2 Rd4 70.Ra2 Ke3 71.Ra3 Ke2 72.Ra2 Rd2 73.Rd2? Kd2 74.Kg1 ½–½. Perrottey – Mendivil,Ismael, Leipzig olm fin–C, 1960. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Bc4 Nf6)

    5.d4 e6

    6.Nb5 A) 6...Na6 A1) 7.Nf3 Nf6 (7...d5 8.e5 Bd7 9.Ba3 Qb6 10.Bf8 Kf8 11.Nd6 Nc7 12.Rb1 Qa5+=; 7...Be7 8.e5 de5 9.de5 Bd7 10.Be3 Nc7 11.Nd6 Bd6 12.ed6 Nd5+=; 7...Bd7 8.Bf4 Qb6 9.Rb1 Qa5 10.Qd2 Qd2 11.Nd2 d5 12.Nd6 Bd6=) 8.Bd3 Be7 9.0-0 0-0 10.c4 Bd7 11.e5 de5 12.de5 Ne8=; A2) 7.Bd3 Bd7 (7...Be7 8.Nf3 Nf6 9.0-0 0-0 10.c4 Bd7 11.e5 de5 12.de5 Ne8=; 7...d5 8.ed5 ed5 9.Bf4 Qf6 10.Qf3 Qc6 11.Ra6 ba6 12.Nc7 Kd8+=; 7...Nf6 8.Nf3 Be7 9.0-0 0-0 10.c4 Bd7 11.e5 de5 12.de5 Ne8=) 8.Nf3 Nb4 9.Be2 a6 10.Nc3 d5 11.e5 Qc7 12.Bd2 Be7+=; A3) 7.Nc3 Qc7 (7...Nb4 8.d5 Bd7 9.Ba3 Qa5 10.Nge2 Qb6 11.Qb1 Na6 12.Qb6 ab6=; 7...Nc7 8.Bd3 Nf6 9.Nf3 Be7 10.0-0 0-0 11.e5 Nfd5 12.Nd5 Nd5+=) 8.Qd2 Nf6 9.Bb5 Bd7 10.Ba6 ba6 11.Nge2 Bb5 12.d5 Bc4+=; A4) 7.e5 de5 8.de5 b6 9.Qf3 Nb4 10.Bd3 Nd3 11.cd3 Bb4 12.Bd2 Bd2+/-; B) 6...Nf6 B1) 7.Bd3 Nc6 (7...Na6 8.Nf3 Be7 9.0-0 0-0 10.c4 Bd7 11.e5 de5 12.de5 Ne8=; 7...Qb6 8.e5 de5 9.de5 Nd5 10.c4 Nb4 11.Be4 Qc5 12.Bg5 Bd7=; 7...a6 8.Nf3 Nc6 9.Bf4 b6 10.c4 Be7 11.0-0 0-0 12.e5 de5+=) 8.Nf3 Be7 9.0-0 0-0 10.c4 a6 11.Bg5 e5 12.d5 Nb4+=; B2) 7.e5 de5 8.de5 Qd1 9.Kd1 Ng4 10.Nh3 Kd7 11.Ra7 Ra7 12.Na7 Ne5+=; B3) 7.Bg5 Qb6 (7...Na6 8.Bd3 Qd7 9.Qf3 Rg8 10.g3 h6 11.Bf6 gf6 12.Qf6 Rg5=; 7...a6 8.Nf3 Be7 9.Bd3 0-0 10.e5 Ne8 11.Be7 Qe7 12.Qe2 de5+=; 7...Bd7 8.d5 Qc8 9.Qd4 Na6 10.Nf3 Be7 11.de6 fe6 12.Ra2 0-0=) 8.Bf6 gf6 9.Nf3 Bd7 10.Qd3 Rg8 11.Rg1 Na6 12.c3 Bc6+=; C) 6...Qb6 C1) 7.Bd3 Bd7 (7...Nf6 8.e5 de5 9.de5 Nd5 10.c4 Nb4 11.Be4 Qc5 12.Bg5 Bd7=) 8.d5 Na6 9.de6 fe6 10.Be3 Nc5 11.Qh5 Ke7 12.Bc5 dc5+=; C2) 7.Be3 Na6 (7...Nd7 8.e5 d5 9.Bd2 a5 10.Ra4 f6 11.ef6 Ngf6 12.Bf4 e5=; 7...a6 8.d5 Qd8 9.e5 f6 10.ed6 Bd6 11.Qg4 Kf8 12.de6 Nc6+=; 7...a5 8.d5 Qd8 9.de6 Be6 10.Bf4 Nc6 11.Ra4 Ne5 12.Rd4 Nc6+=) 8.d5 Nc5 9.de6 Be6 10.Nc3 Qb4 11.Qd4 Qd4 12.Bd4 Ne7+=; D) 6...a6 D1) 7.Bd3 Nc6 (7...b6 8.c4 Bb7 9.Nc3 Nf6 10.Nf3 d5 11.ed5 ed5 12.0-0 dc4+=; 7...Bd7 8.Bg5 f6 9.Be3 Nc6 10.Nc3 Nb4 11.d5 Ne7 12.de6 Be6=; 7...Be7 8.Nf3 Nc6 9.0-0 Bd7 10.Nc3 Nf6 11.e5 de5 12.de5 Nd5+=) 8.Nf3 Bd7 9.Nc3 Nb4 10.Be2 d5 11.e5 Qc7 12.Bd2 Be7+=; D2) 7.e5 Nc6 (7...de5 8.de5 Bd7 9.Nf3 Bb5 10.Qd8 Kd8 11.Bb5 Bc5 12.Ke2 Nc6+=; 7...d5 8.Bg5 Qd7 9.Bd3 b6 10.Na3 Nc6 11.Nf3 f6 12.Be3 fe5+=; 7...h6 8.Nf3 de5 9.de5 Bd7 10.Be3 Nc6 11.Nd6 Bd6 12.Qd6 Nge7+=) 8.ed6 Bd6 9.Nd6 Qd6 10.Nf3 b5 11.c3 Bb7 12.Bd3 Nge7+=; D3) 7.Bf4 Nf6 (7...b6 8.e5 d5 9.Bd3 Nc6 10.Nf3 Bd7 11.Na3 Nb4 12.Be2 Rc8+=; 7...Nc6 8.Nf3 Rb8 9.Nc3 Qc7 10.Be2 b5 11.0-0 Nf6 12.Qd3 b4+=; 7...Be7 8.Bd3 Nf6 9.Nf3 b6 10.e5 de5 11.Be5 Nd5 12.c4 f6=) 8.Bd3 b6 9.c4 Bb7 10.Nc3 d5 11.cd5 ed5 12.e5 Ne4+=; D4) 7.Nf3 b6 (7...Nf6 8.e5 de5 9.de5 Nfd7 10.Nd6 Bd6 11.Qd6 Qe7 12.Qe7 Ke7 13.Ba3+=; 7...Bd7 8.Bg5 f6 9.Bf4 e5 10.Be3 Bg4 11.de5 de5 12.Qd8 Kd8=; 7...Be7 8.e5 de5 9.de5 Bd7 10.Nd6 Bd6 11.ed6 Nf6 12.Bd3 Bc6+=) 8.c4 Nf6 9.Bd3 Bb7 10.Nc3 d5 11.ed5 ed5 12.0-0 dc4+=.

    6.c3 Nf6 7.Bd3 Be7 8.Ne2 Nc6 9.0-0 a6 10.f4 Bd7 (10...0-0 11.e5 Nd5 12.Bd2+=) 11.Ng3 (11.e5 Nd5=) 11...Qc7 (11...0-0 12.Nc4=) 12.Bd2 Rc8 (12...0-0!?=) 13.e5+= Nd5 14.Ne4 b5 (14...0-0 15.Nc4 de5 16.fe5+=) 15.Nc2 Qb6? (15...0-0 16.Ra6 de5 17.fe5+=) 16.Kh1 (16.ed6 Bd8+-) 16...Na5 (16...de5!? 17.fe5 f5 18.ef6 Nf6 19.Nf6 Bf6 20.Qh5 Kd8+/-) 17.ed6+/- Nb3? (better is 17...f5 18.de7 fe4 19.Be4 Ne7+/-) 18.de7+- Na1 19.Na1 (better is 19.Qa1!? Ne7 20.Qa3 Nf5+-) 19...Ne7 20.Nc5 Bc6 21.Nc2 Ng6 (21...0-0 22.Ne3+-) 22.Qe2 Nh4 23.Be4 (better is 23.Rf2!? 0-0 24.Nb4 Ra8+-) 23...Be4 24.Qe4 Qc6 25.Nb4 (25.Qe2!? a5+-) 25...Qe4+/- 26.Ne4 a5 27.Nd6 Ke7 28.Nc8+- Rc8 29.Nd3 Nf5 30.Ra1 a4 31.Nc5 Nd6 32.Kg1 Nc4 33.Bc1 f6 34.Ba3 Na3 35.Ra3 e5 36.fe5 fe5 37.Kf2 ed4 38.cd4 Kd6 39.Ke3 Kd5 40.Kd3 Rf8 41.Ne4 Rf4? 42.Nc3 Kc6 43.Ra2 h6 44.Re2 a3 45.Re6 Kb7 46.Nb5 a2 47.Re1 Rf2 48.g3 Rh2 49.Ra1 Rg2 50.Nd6 Kc6 51.Ne4 Kd5? 52.Nc3 Kd6 53.Ne2 Rf2 54.Ra2 Rf3 55.Ke4 Rf2 56.Ke3 Rh2 57.Ra7 g5 58.Ra6 Ke7 59.d5 h5 60.Rg6 h4 61.Rg5 hg3 62.Ng3 Kd6 63.Ne4 Kd7 64.Rg7 Kd8 65.d6 (65.d6 Rh6 66.Nc5 Rg6 67.Rg6 Ke8 68.Rf6 Kd8 69.Rf8) 1–0. Garcia Alvarez – Garcia Hevia, Asturias–ch Oviedo, 2004. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 e6)

    6.Bd2 A) 6...d5 A1) 7.Nb5 Na6 (7...a5 8.e5 Nc6 9.Nf3 a4 10.c4 a3 11.c5 b6 12.Nd6 Bd6+=; 7...de4 8.Bf4 Bb4 9.c3 Ba5 10.Ra5 Qa5 11.Nc7 Kd7 12.Qc1 Nc6+/- 1.22; 7...Nc6 8.ed5 ed5 9.Bf4 Kd7 10.Qg4 Ke7 11.Qe2 Kd7 12.g3 f5+/- 1.03) 8.e5 Bd7 9.Nd6 Bd6 10.ed6 Nf6 11.Ba6 ba6 12.Ba5 Qc8+=; A2) 7.e5 Ne7 (7...Nc6 8.Nf3 a6 9.Bd3 Qb6 10.c3 Ra7 11.0-0 Qc7 12.Qc2 b5=; 7...Bd7 8.Bd3 Nc6 9.Nf3 Qb6 10.Rb1 Qd8 11.Ra1 Nge7 12.Nb5 Ng6+=; 7...a6 8.Nf3 Nc6 9.Bd3 Qb6 10.c3 Bd7 11.0-0 Rc8 12.Qc2 Qd8=) 8.Nf3 Nbc6 9.Bd3 Ng6 10.h4 Qb6 11.h5 Nf4 12.Bf4 Ba3+=; B) 6...Be7 B1) 7.Nf3 Bd7 (7...d5 8.e5 Nc6 9.Bd3 Qb6 10.Nb5 Nb4 11.Bb4 Bb4 12.c3 Be7=; 7...Nf6 8.Bd3 0-0 9.0-0 d5 10.e5 Ne4 11.Be3 Nc6 12.c4 f5+=; 7...b6 8.Bb5 Bd7 9.0-0 Nf6 10.Re1 0-0 11.Bd3 Nc6 12.c4 a6+=) 8.Nb5 a6 9.Bb4 Bb5 10.Bb5 Nc6 11.Bc6 bc6 12.Ba5 Qd7+=; B2) 7.Nb5 Nf6 (7...a6 8.Qg4 Bf8 9.Qg3 Nf6 10.Bd3 Nc6 11.Nf3 Rb8 12.Na3 b5+=; 7...a5 8.Qg4 Bf8 9.Ra4 Nf6 10.Qh4 Bd7 11.Bg5 Be7 12.e5 de5+=; 7...Na6 8.Nf3 Nf6 9.Nd6 Bd6 10.e5 Nc7 11.ed6 Qd6 12.Bd3 0-0+=) 8.Bd3 Nc6 9.Nf3 0-0 10.c4 a6 11.0-0 d5 12.e5 Ne4+=; B3) 7.Bb5 Bd7 (7...Nd7 8.Nc4 d5 9.Ne5 Kf8 10.Bd7 Bd7 11.ed5 ed5 12.Ngf3 Bf5+=) 8.Nf3 Nf6 9.Bd3 0-0 10.0-0 d5 11.ed5 ed5 12.Re1 Nc6+=; B4) 7.Bd3 Nc6 (7...Nf6 8.Nf3 Nc6 9.0-0 d5 10.e5 Ne4 11.Be3 Bd7 12.c4 Na5=; 7...b6 8.Qf3 Bb7 9.Ne2 Nf6 10.0-0 d5 11.e5 Ne4 12.Be3 0-0+=; 7...d5 8.Nb5 a5 9.e5 Nc6 10.Ra4 Nb4 11.Bb4 Bb4 12.c3 Be7=) 8.Nf3 Nf6 9.0-0 d5 10.e5 Ne4 11.Bf4 Bb4 12.Nb1 f6+=; C) 6...Nf6 C1) 7.Qe2 Bd7 (7...Nc6 8.d5 Ne5 9.f4 Ng6 10.de6 fe6 11.Nf3 d5 12.ed5 Nd5-/+; 7...Be7 8.Nf3 Nc6 9.Qe3 d5 10.e5 Ne4 11.Bd3 Nd2 12.Qd2 Bd7-/+; 7...b6 8.Nb5 a6 9.e5 de5 10.de5 Nd5 11.c4 Nb4 12.Bc3 N8c6-/+) 8.Nf3 Be7 9.e5 de5 10.de5 Nd5 11.Nb5 Qb6 12.Nfd4 0-0-/+; C2) 7.Bd3 Nc6 (7...d5 8.e5 Ne4 9.Nf3 Nc6 10.0-0 Be7 11.Be3 Bd7 12.c4 Na5=; 7...b6 8.Nf3 Bb7 9.Qe2 Be7 10.0-0 0-0 11.c4 d5 12.cd5 ed5+=; 7...Be7 8.Nf3 0-0 9.0-0 d5 10.e5 Ne4 11.Be3 Nc6 12.c4 f5+=) 8.Nf3 Be7 9.0-0 d5 10.e5 Ne4 11.Bf4 Bb4 12.Nb1 f6+=; D) 6...Nc6 D1) 7.Nf3 Nf6 (7...d5 8.e5 Nge7 9.Bd3 Ng6 10.h4 Qb6 11.h5 Nf4 12.Bf4 Ba3+=; 7...a6 8.Bd3 Nf6 9.0-0 Be7 10.c4 0-0 11.Qb1 e5 12.d5 Nb8+=; 7...Be7 8.d5 ed5 9.ed5 Ne5 10.Bb5 Kf8 11.0-0 Bf6 12.Ra2 a6=) 8.Bd3 Be7 9.0-0 d5 10.e5 Ne4 11.Nb5 0-0 12.Bf4 a6+=; D2) 7.d5 Nb8 (7...Ne5 8.Bb5 Bd7 9.Nf3 ed5 10.ed5 Nf6 11.0-0 Nd5 12.Re1 f6+=; 7...ed5 8.ed5 Nd4 9.Bc3 Qe7 10.Ne2 Nf5 11.Nb5 a6 12.h3 b6+=; 7...Nce7 8.Bb5 Bd7 9.de6 fe6 10.Nf3 Nf6 11.Qe2 Nc6 12.Nc4 a6+=) 8.Nf3 Nf6 9.Bb5 Bd7 10.de6 fe6 11.Bd3 Nc6 12.Nb5 Be7+=.

    6.Bd3 Nc6 A) 7.Ne2 Nf6 (7...Be7 8.0-0 Nf6 9.c4 0-0 10.Nb5 a6 11.Be3 Bd7 12.Nbc3 Ng4+=; 7...d5 8.ed5 ed5 9.Nb5 Bb4 10.c3 Bd6 11.Nd6 Qd6 12.Bf4 Qf6=; 7...Bd7 8.Rb1 d5 9.ed5 ed5 10.c3 b6 11.0-0 Nf6 12.Nf4 Be7+=) 8.0-0 Be7 9.c4 0-0 10.Nb5 a6 11.Bg5 e5 12.d5 Nb4+=; B) 7.Nb5 Be7 (7...Nf6 8.Nf3 Be7 9.0-0 0-0 10.c4 a6 11.Bg5 e5 12.d5 Nb4+=; 7...a6 8.Nf3 Bd7 9.Nc3 Nb4 10.Be2 Qc7 11.Bd2 Nf6 12.0-0 Rc8+=; 7...Bd7 8.Ba3 Qb8 9.Nf3 a6 10.Nc3 Qc7 11.Qd2 g6 12.0-0 Bh6+=) 8.d5 ed5 9.ed5 Nb4 10.Na7 Bd7 11.Bc4 Bf5 12.Bb3 Nf6+=; C) 7.Nf3 Nf6 (7...Be7 8.0-0 Nf6 9.Bf4 0-0 10.Nb5 a6 11.c4 b6 12.e5 de5+=; 7...d5 8.e5 Nb4 9.Be2 Bd7 10.0-0 Be7 11.Bd2 a5 12.Qb1 b6=; 7...Nb4 8.Bb5 Bd7 9.0-0 d5 10.Bd7 Qd7 11.Ne5 Qd8 12.ed5 Nd5=) 8.0-0 Be7 9.c4 0-0 10.Nb5 a6 11.Bf4 b6 12.e5 de5+=.

    6.Bd3 d5 7.e5 (7.ed5 Bb4 (7...Qd5 8.Nf3 Bb4 9.Bd2 Bd2 10.Qd2 Nc6 11.Nb5 Kd8 12.Qf4 Qd7+/-) 8.Bd2 Bd2 9.Qd2 ed5 10.Nb5 Nc6 11.Qf4 Qe7 12.Ne2 Kd8=) 7...Bb4 (7...Bd7 8.Nf3 Nc6 9.0-0 Be7 10.Bd2 a5 11.c3 a4 12.Qc2 Na5=; 7...b6 8.Nf3 Ba6 9.Nb5 Qd7 10.Qe2 Bb4 11.Bd2 Bd2 12.Nd2 Bb5=; 7...Nc6 8.Nf3 Be7 9.Nb5 a6 10.0-0 Rb8 11.Nc3 Nb4 12.Be2 Qc7+=; 7...Na6 8.Nf3 Nb4 9.Be2 Be7 10.0-0 Bd7 11.Bd2 a5 12.Qb1 b6=) 8.Bd2 Bd2 (8...Be7 9.Qg4 g6 10.Nf3 Nc6 11.0-0 f5 12.Qh3 a6=) 9.Qd2 Ne7 (9...Bd7 10.Nf3 Ne7 11.0-0 0-0 12.Rfb1 b6=) 10.Ne2 (10.Nb5 0-0 11.Ra7 Ra7 12.Na7 Bd7=) 10...0-0 11.0-0 Nec6 (11...b6 12.c4 Nbc6=) 12.c3 (12.Nb5 b6=) 12...f6 (12...b6+=) 13.f4 Nd7 14.Kh1 Nb6 15.Nb5 Bd7 16.Nd6 Rb8 17.Qc2 Ne7 (better is 17...h6=) 18.Bh7 Kh8 19.Rf3 (19.Qd3 Ng8 20.Bg6 Nh6+-) 19...g5? (better is 19...Nec8!?+=) 20.Rh3 (20.Ra7?! g4 21.Rg3 f5=) 20...Kg7 21.fg5 f5? (better is 21...fe5 22.de5 Nc4 23.Nc4 dc4+-) 22.Nf4 (22.Ra7?! Rh8 23.g6 Ng6 24.Bg6 Rh3 25.gh3 Kg6 26.Nf4 Kh7+-) 22...Nbc8 23.Nc8 Rc8 24.Qf2 Rh8 25.Qh4 Kf8 26.Qh6 Kf7 27.Qf6 Ke8 1–0. Shevchenko,Kirill – Petriashvili,Nikoloz, EYCC Boys U8, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 e6)

    6.Bd3 Be7 A) 7.Nb5 Nc6 (7...a6 8.Nf3 Nc6 9.0-0 Bd7 10.Nc3 Nf6 11.e5 de5 12.de5 Nd5+=; 7...Na6 8.Nf3 Nf6 9.0-0 0-0 10.c4 Bd7 11.e5 de5 12.de5 Ne8=) 8.d5 ed5 9.ed5 Nb4 10.Na7 Bd7 11.Ne2 Qb8 12.Be3 Bf6-/+; B) 7.Be3 Nf6 (7...d5 8.e5 b6 9.Qg4 Bf8 10.Nf3 Ba6 11.Nb5 h5 12.Qg3 h4=; 7...Nc6 8.Nf3 Nf6 9.0-0 0-0 10.c4 Ng4 11.Bd2 d5 12.cd5 ed5+=; 7...b6 8.Qf3 Nc6 9.Ne2 Nb4 10.Bb5 Bd7 11.Bd7 Qd7 12.c3 Nc6+=) 8.Nf3 b6 9.0-0 0-0 10.c4 Bb7 11.Qb1 Nbd7 12.Nb5 a6+=; C) 7.Nf3 Nc6 (7...Nf6 8.0-0 Nc6 9.c4 0-0 10.Nb5 a6 11.Bf4 b6 12.e5 de5+=; 7...Bd7 8.0-0 Nf6 9.e5 Nd5 10.Nb5 Bb5 11.Bb5 Nc6 12.c4 Nc7+=) 8.0-0 Nf6 9.c4 0-0 10.Nb5 a6 11.Bg5 e5 12.d5 Nb4+=; D) 7.Qe2 b6 (7...Nc6 8.Nf3 Nf6 9.0-0 0-0 10.Nb5 a6 11.e5 de5 12.de5 Nd5=; 7...d5 8.ed5 Bb4 9.Bd2 Bd2 10.Qd2 ed5 11.Nb5 Nc6 12.Qf4 Qe7=; 7...Nf6 8.Nf3 Nc6 9.0-0 0-0 10.Nb5 a6 11.e5 Ne8 12.ed6 Nd6=) 8.Nf3 Nf6 9.0-0 Nc6 10.Bf4 Bb7 11.Rfb1 0-0 12.c4 e5+=.

    6.Bd3 Nf6 A) 7.Nf3 Nc6 (7...Be7 8.0-0 0-0 9.Bf4 Nc6 10.Nb5 a6 11.c4 b6 12.e5 de5+=; 7...d5 8.e5 Ne4 9.0-0 Nc6 10.Qe2 Bb4 11.Nb5 Nc3 12.Qe3 Qb6+=) 8.0-0 Be7 9.Nb5 0-0 10.c4 a6 11.Bg5 e5 12.d5 Nb4+=; B) 7.Ne2 Nc6 (7...Be7 8.0-0 0-0 9.c4 Nc6 10.Nb5 a6 11.Be3 Bd7 12.Nbc3 Nb4+=) 8.0-0 Be7 9.c4 0-0 10.Nb5 a6 11.Be3 Nb4 12.Nbc3 d5-/+; C) 7.Qe2 e5 (7...Be7 8.Nf3 0-0 9.0-0 Nc6 10.Nb5 a6 11.e5 de5 12.de5 Nd5=; 7...d5 8.e5 Nfd7 9.Nf3 Be7 10.Nb5 a6 11.0-0 Nb6 12.Nc3 Qc7+=; 7...Nc6 8.Nf3 Be7 9.0-0 0-0 10.Nb5 a6 11.e5 Ne8 12.ed6 Nd6=) 8.Nf3 Bg4 9.d5 Be7 10.0-0 0-0 11.h3 Bh5 12.Rb1 b6+=; D) 7.Nb5 Nc6 (7...Bd7 8.Na7 Na6 9.Nb5 Qb6 10.Rb1 d5 11.e5 Bb4 12.Bd2 Bb5=; 7...Qb6 8.e5 de5 9.de5 Nd5 10.c4 Nb4 11.Be4 Qc5 12.Bg5 Bd7=; 7...Na6 8.Nf3 Be7 9.0-0 0-0 10.c4 Bd7 11.e5 de5 12.de5 Ne8=) 8.Nf3 a6 9.Bf4 b6 10.c4 Bb7 11.Nc3 d5 12.ed5 ed5+=.

    6.Nf3 d5 A) 7.e5 Ne7 (7...b6 8.Bb5 Bd7 9.Bd3 Bb4 10.Bd2 Bd2 11.Qd2 Ne7 12.0-0 0-0=; 7...Nc6 8.Bd3 Be7 9.0-0 Nb4 10.Be2 Bd7 11.Bd2 a5 12.Qb1 b6=; 7...Bd7 8.Bd3 Nc6 9.0-0 Nb4 10.Be2 Be7 11.Bd2 a5 12.Qb1 b6=) 8.Bd3 Nec6 9.Nb5 Na6 10.c3 Nc7 11.Bg5 Qd7 12.Nc7 Qc7 13.0-0=; B) 7.ed5 ed5 8.Bb5 Bd7 9.0-0 Bd6 10.c4 Ne7 11.c5 Bc7 12.Bd3 0-0 =.

    6.Nf3 Bd7 A) 7.Nb5 Nf6 (7...a6 8.Bg5 f6 9.Bf4 e5 10.Be3 Bg4 11.Be2 d5 12.ed5 Nd7=; 7...Na6 8.Bf4 Qb6 9.Rb1 Qa5 10.Qd2 Qd2 11.Nd2 d5 12.ed5 ed5=; 7...Qb6 8.d5 Na6 9.de6 fe6 10.Rb1 Nf6 11.Be3 Nc5 12.e5 de5=) 8.e5 de5 9.de5 Nd5 10.Bc4 Qb6 11.Qd4 Bb4 12.Bd2 Bd2+=; B) 7.Bd3 Nc6 (7...Be7 8.0-0 Nf6 9.e5 Nd5 10.Nb5 Bb5 11.Bb5 Nc6 12.c4 Nc7+=; 7...Nf6 8.0-0 Be7 9.e5 Nd5 10.Nb5 Bb5 11.Bb5 Nc6 12.c4 Nc7+=; 7...d5 8.ed5 Bb4 9.Bd2 Qe7 10.Nb5 ed5 11.Ne5 Bd2 12.Qd2 Bb5+=) 8.0-0 Nf6 9.e5 de5 10.de5 Nd5 11.c4 Ndb4 12.Be4 Bc5+=.

    6.Nf3 Nf6 A) 7.Bg5 Nc6 (7...d5 8.e5 h6 9.Bd2 Ne4 10.Bb5 Nc6 11.0-0 a6 12.Bd3 Nd2+=; 7...Be7 8.Bd3 0-0 9.0-0 Nc6 10.Nb5 a6 11.c3 h6 12.Bf4 b6+=; 7...Nbd7 8.Bd3 h6 9.Be3 d5 10.e5 Ne4 11.0-0 b6 12.c4 Bb7=) 8.Bd3 Be7 9.0-0 0-0 10.Nb5 a6 11.Re1 b6 12.e5 de5+=; B) 7.Bb5 Bd7 (7...Nbd7 8.Bd3 d5 9.e5 Ne4 10.0-0 b6 11.Nb5 a6 12.Ng5 Bb7=) 8.Bd3 d5 9.e5 Ne4 10.0-0 Bc6 11.Qe1 a5 12.Nb5 Bb4+=; C) 7.Bd3 d5 (7...Be7 8.0-0 0-0 9.Bf4 Nc6 10.Nb5 a6 11.c4 b6 12.e5 de5+=; 7...Nc6 8.0-0 Be7 9.Nb5 0-0 10.c4 a6 11.Bf4 b6 12.e5 de5+=) 8.e5 Ne4 9.0-0 Nc6 10.Qe2 Bb4 11.Nb5 Nc3 12.Qe3 Qb6+=.

    6.Nf3 g6 7.Bd3 Nc6 8.h3 +=.

    6.Nf3 g6 7.Bd3 Bg7 8.0-0 (8.Nb5 Nc6 9.Qe2 Nge7+/-) 8...Ne7 (8...Nc6 9.Ra2+=) 9.Re1 (better is 9.Nb5 0-0 10.Bf4+=) 9...Qc7? (9...Nbc6 10.c3=) 10.Bb2?? (better is 10.Nb5 Qd8 11.Ba3+-) 10...Nd7?? (better is 10...Bd7=) 11.Nb5+- Qb6 12.Ba3 Nb8 (12...0-0 13.Bd6 Re8+-) 13.Nd6 Kd7 (13...Kd8 14.Nf7 Ke8 15.Nh8+-) 14.Bc5 (14.Ne5 Kc7 15.Nb5 Kd8+-) 14...Qc7 (14...Qd6 15.Bd6 Kd6 16.Ng5+-) 15.Nf7 (better is 15.Ne5 Kd8 16.Nef7 Kd7 17.Bb5 Nec6+-) 15...Rf8 16.N7e5 Be5 17.Ne5 Kd8 18.Ra7 Ra7 19.Ba7 Nbc6 20.Nc6 Nc6 21.Bc5 Ne7 22.Qb1 Qf4 23.Qb6 Ke8 24.Bb5 Bd7 25.Bd7 Kd7 26.Qb7 Qc7 27.Qc7 Kc7 28.Be7 Re8 29.Bf6 h5 30.Be5 Kc6 31.Ra1 Kb7 32.Kf1 Ra8 33.Ra8 Ka8 34.Ke2 Kb7 35.Kf3 Kc6 36.Kf4 Kd7 37.Kg5 Ke7 38.Kg6 h4 39.Bf6 Kd6 40.Bh4 Kd7 1–0. Afonso,Sara Cerqueira – Ferreira,Sara Cristina, Lisbon–ch U12 Girls, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 e6 5.Na3 d6)

    6.Bf4 Nf6+= 7.Bd3 Nbd7 (7...Nc6!? 8.Ne2 e5+=) 8.Nb5 e5 9.de5 (9.Bd2!? ed4 10.Ra7 Ra7 11.Na7=) 9...de5+= 10.Bg3 a6 (10...Qb6 11.Qb1+=) 11.Nf3+= Rb8 12.Nc3?? (better is 12.0-0 ab5 13.Bb5+=) 12...Bb4-+ 13.0-0 Bc3 14.Ra3 Bb4 (14...Qc7!? 15.Rb3-+) 15.Rb3 Qe7 16.Ne5 Ne5 17.Be5 Qe5 18.Rb4 0-0 19.Qd2 (19.Qa1 Qe7 20.Rd4 Be6-+) 19...Rd8 20.Re1 (20.Qe3 Ng4 21.Qg3 b5-+) 20...b5 (20...Ng4 21.g3-+) 21.f4 (21.Qe3 Ng4 22.Qg3 Qc5-+) 21...Qc5 22.Kh1 a5 (22...Ng4!? 23.h3 Rb6 24.Re2-+) 23.Rbb1 b4 24.h3 (24.e5 Nd5-+) 24...Bb7 25.Rbd1 Ne4! (25...Ne4 26.Qc1 Nf2 27.Kh2 Qc6-+) 0–1. Verseef,Yvar (1650) – Tuerlinckx,Ben (1685), Enschede op–D U14, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 e6)

    6.Nf3 Be7

    7.Bb2 Nf6 8.Bd3 0-0 9.0-0 b6 10.e5 de5 11.de5 Nd5 12.c4 Nb4 13.Be4 N4c6 14.Nb5 Bb7 15.Qd8 Bd8? (better is 15...Rd8 16.Nc7 Nd7 17.Na8 Ra8+=) 16.Nd6+- Ba6 17.Bc6 Nc6 18.Ra6 Bc7 19.c5! Bd6? (19...bc5 20.Rc6 Double attack) 20.ed6 (better is 20.cd6!? Nb4 21.Ra3 a5+-) 20...Nb8 21.Ra2 bc5 22.Ba3 Nd7 23.Rc1 Rfc8 24.Rac2 Rab8 25.g3 (worse is 25.Bc5 Rc5 26.Rc5 Nc5+=) 25...Rb6 26.Nd4 Rd6 27.Bc5 Nc5 28.Rc5 Rcd8 (better is 28...Rc5!? 29.Rc5 h6 30.Rc8 Kh7+/-) 29.Nc6+- Rf8 30.Na7 h6 31.Rc8 Rc8 32.Rc8 Kh7 33.Kg2 Kg6 34.Nc6 Kf5 35.h3 g5 36.Nb4 h5 37.Nc2 g4 38.Ne3 Kg5 39.Rc5 f5 40.Rc8 Kg6 41.Rh8 Rd7 42.h4 Rh7 43.Rh7 Kh7 44.f3 Kg6 45.Nc4 Kf6 46.Kf2 e5? 47.Ke3 f4?? 48.gf4 ef4 49.Kf4 gf3 50.Kf3 Kf5 51.Ne3 Ke5 52.Ng2 Kf6 53.Ke4 Kg6 54.Nf4 Kh6 55.Kf5 Kg7 56.Kg5 Kh7 57.Ne6 Kg8 58.Kh5 Kh7 59.Kg5 Kg8 60.Kg6 Kh8 61.Kh6 Kg8+- 62.Ng5 Kh8 63.Nf7 Kg8+- 64.Kg6 Kf8 65.h5 Kg8 66.h6 1–0. Koehler,Inken – Lai Hop,Long, Oberhof GER, Ch U12 (b), 2012. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 e6)

    7.Bb5 Bd7 (7...Nd7 8.0-0 Ngf6 9.Bd3 0-0 10.Nb5 a6 11.c4 b6 12.Bf4 e5+=; 7...Nc6 8.0-0 a6 9.Bd3 Nf6 10.c4 0-0 11.Nc2 Qc7 12.Qe2 e5+=) 8.0-0 Nf6 9.Bd3 Nc6 10.c4 Nb4 11.Bg5 0-0 12.e5 de5 +=.

    7.Nb5 a6 (7...a5 8.e5 Nc6 9.ed6 Bd6 10.Nd6 Qd6 11.Ba3 Qf4 12.Bd3 Nge7=; 7...Na6 8.e5 de5 9.de5 Bd7 10.Be3 Nc7 11.Nd6 Bd6 12.ed6 Nd5+=) 8.e5 de5 9.de5 Bd7 10.Nd6 Bd6 11.ed6 Nf6 12.Bd3 Bc6 +=.

    7.Bd3 Nf6 (7...Nc6 8.0-0 Nf6 9.Bf4 0-0 10.Nb5 a6 11.c4 b6 12.e5 de5+=; 7...Bd7 8.0-0 Nf6 9.e5 Nd5 10.Nb5 Bb5 11.Bb5 Nc6 12.c4 Nc7+=; 7...b6 8.Nb5 a6 9.e5 Bb7 10.ed6 Bd6 11.Nd6 Qd6 12.0-0 Nf6+=) 8.0-0 0-0 9.c4 Nc6 10.Nb5 a6 11.Bf4 b6 12.e5 de5 +=.

    7.Be3 Nc6 (7...d5 8.e5 Nc6 9.Bd3 Nb4 10.Be2 Qc7 11.0-0 Bd7 12.Qd2 Rc8=; 7...Nf6 8.Bd3 b6 9.0-0 0-0 10.c4 Bb7 11.Qb1 Ng4 12.Bd2 Nd7+=; 7...Bd7 8.Nb5 Nf6 9.Bd3 Bc6 10.Nd2 a6 11.c4 ab5 12.Ra8 bc4+=) 8.Bb5 a6 9.Nb1 Bd7 10.Bd3 Nf6 11.0-0 Nb4 12.Re1 0-0 -/+.

    5.d4 Nf6

    6.Bb5 Nc6 7.Qd3 a6 8.Bc6 bc6 9.Nf3 g6 10.0-0 Bg7 11.Bd2 0-0 12.Nc4 d5 13.ed5 cd5 (13...Qd5? 14.Nb6 Qd6 15.Na8+-; 13...Nd5?! 14.Nce5+=) 14.Ne3 a5 15.Qa3 a4 16.Rab1 Ng4 17.Ng4 Bg4 18.Ne5 Be5 19.de5 Qc7 20.h3 Bf5 (20...Qc2 21.Rb2 Qf5 22.hg4 Qe5 23.Re1+/-) 21.Rb4 Qd7 (21...Bc2?! 22.Rc1+=) 22.Rc1 Rfc8 23.c3 Rcb8 24.Bh6 Bd3 25.e6 Qe6 26.Rb8 Rb8 27.Qa4 f6 28.Qd4 Bb5 29.Rb1 Kf7 30.Be3 Rb7 31.Qh4 Kg7 32.Bh6 Kg8 33.Qd4 Qd6 34.Bc1 Kg7 35.f4 Bc6 36.Rb7 Bb7 37.Be3 Qc6 38.Qc5 Qe6 39.Kf2 d4 40.Qd4+= Qc6 41.g4 Qf3 42.Ke1 Ba6 43.c4 Bc4! 44.Kd2 Be6 45.g5 Qg2 46.Bf2 Bh3 47.gf6 ef6 48.Qa7 Kh6 49.Qc5 Bf5 50.Ke1 Qe4 51.Be3 Kh5 52.Qd4 Qh1 53.Kd2 Qf1 54.Bf2 Kg4 55.Qe3 Be4! 56.Qg3 Kf5 57.Qe3 Qg2 58.Ke1 Kg4 59.Bg1 h5 60.Bf2 Qh1 61.Kd2 h4 0–1. Kirwald,Franz (2385) – Raap,Christian (2375), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    6.Bb5 Nbd7 7.Qd3 (7.f3 a6 8.Nb1 Rb8 9.Bd7 Qd7 10.Ne2 b5 11.Bg5 d5 12.Nd2+=; 7.Qe2 a6 8.Bd3 e5 9.Nf3 Be7 10.0-0 0-0 11.c4 ed4 12.Nd4+=; 7.Qf3 e5 8.d5 a6 9.Nb1 Rb8 10.Be2 b5 11.Nd2 Be7 12.Nb3-/+) 7...a6 8.Nc4 ab5 9.Nd6 ed6 10.Ra8 Nb6 11.Qb5 Nfd7 12.Ra2 +=.

    6.Bd3 e6 7.c3 Nc6 8.Qd2 a6 9.f4 Na5 10.Rb1 b5 11.c4? (better is 11.Qc2!?-/+) 11...bc4 12.Nc4 Nc4 13.Bc4 d5 (better is 13...Ne4!? 14.Qc2 Qa5 15.Kf1 Qc3 16.Qc3 Nc3-+) 14.ed5-/+ Nd5 15.Nf3 Nc3?? (better is 15...Bd6-/+) 16.Qd3?? (better is 16.Qc3 Be7 17.0-0+-) 16...Nb1-+ 17.Qb1 Be7 18.0-0 Qc7 19.Bd3 h6 20.Qa2 0-0 21.Qe2 Bb7 22.Ne5 Qd6 23.Be3 Bd5 24.Qh5 Rab8 25.f5 ef5 26.Qf5 g6 27.Qg4 h5 28.Qf4 Rb2 29.Rf2 Rf2 30.Qf2 a5 31.g4 h4 32.g5 Kg7 33.Bf4 Qe6 34.Bb5 Bd6 35.Bd7 Qe7 36.Qh4 Rh8 37.Qe1 Bb4 38.Qf2 Rf8 39.Qh4? Rh8 40.Qf2 Rf8 41.Qh4 ½–½. Smith,Mat (2005) – Auvray,H (1810), Avoine FRA, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    6.Bd3 e6 7.Ne2 Be7 8.0-0 0-0 9.f4 Nc6 10.c3 a6 11.Ng3 b5 12.Nb5 Bb7 13.Na3 e5 (13...Qc7 14.Qc2 Kh8 15.Rb1+=) 14.fe5 de5 15.d5 Nb8 16.Nh5 Nbd7 17.Nc4 Qc7 18.d6 (18.Nf6!? Nf6 19.Qf3+=) 18...Bd6= 19.Nd6 (19.Nf6!? Nf6 20.Rf6 gf6 21.Bh6=) 19...Qd6-/+ 20.Nf6 Nf6 21.Ba3 Qb6 22.Kh1 Rfd8 23.Qe2 Qc6 24.Be7 Rd3 25.Qd3 Ne4 26.Qf3 (26.Rf3!?-/+) 26...Qc3?? (better is 26...f6 27.Rfb1 Rc8-/+) 27.Qf7 (27.Qf7 Kh8 28.Qf8 Rf8 29.Rf8) 1–0. Gallegos,Paul (2095) – Smith,Neil, Dos Hermanas Internet qual–C, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    6.Bd3 e6 7.Ne2 Be7 8.0-0 0-0 9.f4 d5 10.e5 Ne4 11.Ng3 (11.Nb5 Qb6=+) 11...f5 (11...Ng3 12.hg3 Nc6 13.Nb5-/+) 12.ef6 Nf6 13.f5 Nc6 14.fe6 Be6 (14...Nd4 15.Bg5 Ne6 16.Be3-+) 15.c3 Kh8 16.Qe1 Qd7 17.Nf5 Ne4 18.Ne7 Rf1 19.Qf1 Qe7 20.Nb5 a6 21.Be4 de4 (21...Rf8 22.Qe1 ab5 23.Bd3=+) 22.Ba3 Qd7 23.Nd6 h6 (23...b5 24.Ne4 Bd5 25.Nc5=) 24.Ne4 b6 25.Re1 Bd5 26.Nd6 b5 27.Bc5 Kg8 28.h3 Rf8 29.Qd3 Qd8 (29...Rd8!?=) 30.Qg3+/- Qg5 (30...Qd7 31.Ra1+/-) 31.Qg5 hg5 32.Ne4 (32.Ra1!?+/-) 32...Ra8+= 33.Ng5 a5 34.Rb1 b4 35.cb4 ab4 36.Nf3 (36.g4!?+=) 36...b3 37.Ne5 (37.Kf2 Ra2 38.Kg3 Kf7=) 37...Ne5=+ 38.de5 Ra2 39.g4 Rg2 40.Kf1 Rh2 41.Bf2 Rh1 42.Bg1 Rh3 43.Rd1 Be6 44.g5 Kf7 45.Kg2 Rc3 46.Bd4 Rc4 47.Rd2 Kg6 48.Kf3 Kg5 49.Ke4 Kh4 50.Kf3 Kh5 51.Rh2 Kg6 52.Ke4 Rc1 53.Rg2 Kf7 54.Rf2 Kg8 55.Rg2 Rf1 56.Ke3 Kf7 57.Rf2 (57.Kd3!?-/+) 57...Rf2-+ 58.Kf2 Kg6 59.Kg3 Kf5 60.Kf3 g5 61.Bb2 g4 62.Ke3 Kg5 63.Bd4 Kh4 64.Kf2 Kh3 65.Ke3 (65.Kg1-+) 65...g3 66.Kf4 (66.Kd3-+) 66…g2 0-1. Kumala,A (2185) - Malakhatko,V (2455), 3rd Irena Warakomska Mem, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3)

    6.Bd3 e6 7.Ne2 Be7 8.0-0 0-0 9.Ng3 h6 10.c3 e5 11.f4 Nc6 12.Nc2 Qb6 13.Kh1 (13.Be3 ed4 14.Bd4 Nd4 15.Nd4 Bd7+=) 13...Bg4-/+ 14.Qe1 a6 (14...ed4 15.Nd4 Nd4 16.Be3+=) 15.fe5= de5 16.d5 Nb8 17.h3 Bd7 18.Ne3 Bc5 19.Nc4 Qd8 20.Ne5 Re8 21.Bf4 Qe7 (21...b5 22.c4 Bc8 23.Nf3=) 22.Qd2 (22.Nd7 Nbd7 23.Nf5+/-) 22...Bd6? (22...b5 23.c4 bc4 24.Nc4+/-) 23.Nc4 Bf4 24.Qf4+- b5 25.Nd6 Rf8 26.e5 Ne8 27.Ne8 Re8 28.e6! fe6 29.Qe4 g5?? 30.Nh5 (30.Nh5 g4 31.Qg6 Kh8 32.Rf7 Qf7 33.Qf7 ed5 34.Qg7) 1–0. Shivananda,B (2385) – Patil,Pr2 (2090), ch–Commonwealth, Delhi IND, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    6.Bd3 e6 7.Nf3 Be7 8.0-0 0-0 9.Be3 Nbd7 10.Nb5 a6 11.Bf4 Nb6 12.e5?? (better is 12.Nd6 Bd6 13.Bd6 Qd6 14.e5=) 12...de5-+ (12...ab5?! 13.Ra8 Na8 14.ef6 Bf6 15.Qe1+=) 13.Be5 ab5 14.Ra8 Na8 15.Bb5 Nc7 16.Bd3 Ncd5 17.c4 Nb4 18.Be2 Nc6 19.Bf4 b6 20.h3 Bb7 21.Be3 Ne4 22.Qb3 Qc7 23.Rd1 Na5 24.Qd3 Rd8 25.Rb1 Nc5! 26.Qc2 Be4 27.Qb2 Bb1 28.dc5 Bd3 29.cb6 Qb8 30.Bd3 Rd3 31.Qe2 Rb3 32.g4 Qb7 33.Kg2 Nc6 34.Kg3 Bd6 35.Kh4 h6 36.c5 Be7 37.Kg3 Bf6 38.h4 Ne5 39.Qd1 Ra3 40.g5 Qe4 41.Nd2 Qg6 42.b7 Nc6 43.h5 Be5 44.Kg2 Qf5 45.Nc4 Qe4 46.Qf3 Qc4 47.Qc6 Qg4 (47...Qg4 48.Kh1 Ra1 49.Bc1 Rc1) 0–1. Repas,B – Davis,M, Lansing–ch MI op–B, 1993. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    6.Bd3 Bg4 7.Nf3 (7.f3 Bd7 8.Ne2 Nc6 9.0-0 e5 10.Bb2 d5 11.Kh1 de4 12.fe4-/+) 7...e6 8.0-0 Nc6 9.Be3 d5 10.e5 Ne4 11.c4 Bb4 12.Nc2 +=.

    6.f3 g6 7.Nb5 Na6 8.c4 Bg7 9.e5 de5 10.de5 Qd1 (10...Nd7 11.f4 f6 12.Nf3-/+) 11.Kd1+= Nd7 12.Ba3?? (better is 12.Ra6 ba6 13.Nc7 Kd8 14.Na8=) 12...Be5-+ 13.Ra2 Nc7 14.Nh3 Nb5 15.cb5 Bd6 (15...Nb6!? 16.Ng5-+) 16.Bd6 ed6 17.Ng5 Nc5 18.b6 a6 19.Bb5 Ke7 20.Bc4 Be6 21.Re1 Kd7 22.Be6 fe6 23.Rd2 Raf8 24.Re5 Ke7 25.Re3 h6 26.Ne4 Ne4 27.Re4 Kd7 28.h4 Rf5 29.Rc4-/+ Rc8 30.Rd6 Kd6 31.Rc8 Rd5 32.Ke2 Rb5 33.Rh8 Rb2 34.Kf1 a5 35.Rh6? a4 36.Rg6 a3 37.Rg8 a2 38.Ra8 Rb1 39.Kf2 a1Q 40.Ra1 Ra1 41.h5 Ke5 42.g4 Kf6 43.f4 Rb1 44.g5 Kg7 45.Ke3 Rb6 46.Ke4 Rb5 47.Kf3 Rf5 0–1. Oganesian,Andranik – Gorlanov,Vladislav (2155), Obninsk op, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    6.Bb5 Bd7

    7.Qd3 e6 8.Nf3 d5 9.ed5 Nd5 10.0-0 Bd6 11.c4 Nf6 12.c5 +=.

    7.Bd3 e5 8.d5 Na6 9.Bg5 Nc5 10.Nc4 b5 11.Bf6 gf6 12.Ne3 +=.

    7.Qe2 a6 8.Bd3 Nc6 9.c3 g6 10.f3 Bg7 11.g4 Qc7 12.Bd2 Rc8 13.h4 Na5 14.Rb1 b5 15.h5 Nc4 (better is 15...e5!?-/+) 16.Nc4+= bc4 17.Bc2 e6 18.Nh3 d5 (worse is 18...gh5 19.g5+/-) 19.Bf4 Qa5 20.Qd2 Ng8 (better is 20...de4 21.h6 Bf8 22.fe4 Ng4+=) 21.h6 Bf8 22.0-0 Be7 (better is 22...Ne7!?+/-) 23.Ra1+- Qb5? (23...Qb6 24.ed5 ed5 25.Rfe1+-) 24.Rfb1 Qc6 25.ed5 ed5 26.Qe3 (better is 26.Ba4 Qf6 27.Bd7 Kd7 28.Rb7 Kd8 29.Ra7+-) 26...f6?? (26...Kd8+-) 27.Ba4 Qa8 (27...Qa4 28.Ra4 Ba4+-) 28.Bd7 Kd7 29.Rb6 g5 (29...Rc6 30.Rb8 Qb8 31.Bb8 Bd8+-) 30.Qe6 Kd8 1–0. Armanda,I (2325) – Deur,Z (2115), 5th Split Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    7.Qe2 e6 8.Bd3 d5 9.e5 Ne4 10.Be4 de4 11.c3 Bc6 12.Nh3 +=.

    7.f3 e6 8.Ne2 d5 9.Bd7 Nbd7 10.e5 Ng8 11.0-0 Qb6 12.Bf4 +=.

    6.Bd3 Nc6

    7.Bb2 Qa5 8.c3 Qg5 9.g3 Bg4 (9...Qa5 10.Nb5 Qb6 11.Qb3+=) 10.Qb3 Rb8 11.Nb5 a6 12.f4 Qg6 13.Nc7 Kd7 14.Qb6 Rc8 (worse is 14...Ne4 15.d5 Ne5 16.fe5 de5 17.Qa5+-) 15.f5 Qg5 16.Bc1 Qh5 17.Na6 ba6 18.d5 Nb8 19.Ra6 e6?? (19...Ke8 20.Ra8 Nfd7+-) 20.Bb5 Nc6 21.Ra7 Ke8 22.Bc6 (22.Bc6 Nd7 23.Bd7 Ke7 24.Be6 Ke8 25.Qb5 Rc6 26.Qc6 Kd8 27.Qd7) 1–0. Buchele,Andreas (1650) – Gheng,Simona (1985), Filseck op 2nd, 1998. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Nb5 a6 8.Ne2 Bg4 9.f3 Bd7 10.Nbc3 Nb4 11.e5 Nd3 12.Qd3 +=.

    7.c3 e6 8.Qe2 Be7 9.f4 (9.Nf3 0-0=) 9...0-0 (9...Qa5 10.Bd2=+) 10.Nf3=+ Bd7 11.0-0 Rc8 (11...Na5 12.Bb2=) 12.Bd2 a6 13.Nc2 Qc7 (13...d5 14.ed5 ed5 15.Ne3=) 14.e5+= de5 (14...Ne8 15.c4 de5 16.fe5+=) 15.fe5 Nd5 16.Qe4 g6 17.Rac1 (17.Ne3 Ne3 18.Qe3 f6 19.ef6 Bf6+=) 17...Qb8 (better 17...Na5!? 18.Nb4 Nb3 19.Nd5 ed5 20.Qd5 Be6-/+) 18.Ne3 Ne3 19.Be3 Rfd8 (better 19...f5!? 20.ef6 Rf6= (worse 20...Bf6 21.Bf4 e5 22.Ne5 Be5 23.de5+=)) 20.Ng5+- Bg5?? (better 20...Be8+-) 21.Bg5+- Re8 (21...Ne5 22.de5 Qc7+-) 22.Qh4 Ne7 (22...Re7 23.Bf6 Rc7 24.Rf3 Qf8 25.Rh3 h5 26.Qh5 gh5 27.Rg3 Qg7 28.Rg7 Kf8 29.Rh7 Nd4 30.Rh8) 23.Be7 (23.Be7 Re7 24.Bg6 fg6 25.Qe7+-; 23.Rf7 h5 24.Bg6 Bc6 25.Qh5 Ng6 26.Qh7) 1–0. Preuss,F (1970) – Ji,Jiahao Eric, Xtracon Chess Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.d5 Ne5 8.Nf3 Nd3 9.cd3 g6 10.0-0 Bg7 11.Be3 0-0 12.h3 Nd7 13.Ra2 Nc5 14.Qb1 a6 15.Nc4 b5 16.Na5 Na4 17.Nc6 Qd7 18.Rc2 Bb7 19.Rfc1 Rfc8 20.Bg5 Bc6 21.dc6 Qc7 22.d4 Nb6 23.d5 Nc4 24.Qa2 Rcb8 25.Nd2 Nd2 26.Bd2 a5 27.Rb1 b4 28.Qa4 Bd4 29.Rb3 Ra7 30.Rc4 Qb6 31.Be3 Be3 32.Re3 Rc7 33.Rb3 Qb5 34.Qb5 Rb5 35.Kf1 e6 36.Rd4 ed5 (36...f5 37.f3-/+) 37.ed5 Kf8 38.Ke2 Re7 39.Kd3 (39.Kd2 Re5 40.Rbd3 b3-+) 39...Ke8 (better 39...Re5!? 40.Rb2 Rbd5-+ (40...Red5?! 41.Rc2 Rdc5 42.Rd6-+)) 40.f4-/+ Kd8 41.Kd2 Kc7 42.Rdd3? (better 42.g4-/+) 42...Re4 43.g3 a4 44.Rb1 b3 45.Kc3 (45.Rb2-+) 45...Rc5 46.Kd2 Rc2 47.Kd1 Ree2 48.Rd4 Rg2 49.Re4 Rg1 50.Re1 Re1 (50...Rcg2 51.g4-+) 51.Ke1 Rh2 (51...Rh2 52.f5 Rh1 53.Kd2 Rb1-+) 0-1. Shirazi,K (2355) - Oussedik,Mahfoud (2400), Mahfoud Boudiba Mem Inv, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3)

    7.d5 Ne5 8.Nf3 Nd3 9.Qd3 g6 10.0-0 Bg7 11.Nb5 Nd5 12.Ra7 +=.

    7.Ne2 e6 8.0-0 Be7 9.c4 0-0 10.Nb5 a6 11.Bg5 e5 12.d5 +=.

    7.Ne2 g6 8.c3 Bg7 9.0-0 0-0 10.f4 d5 11.e5 Ne4 12.Be4 de4 13.Ng3 f6 (13...Qd5 14.Nc2 Qb3 15.Ra3 Qb5 16.Ne3 Rd8 17.Ne4 Na5) 14.Ne4 (14.ef6 ef6 15.Ne4 Qd5 16.Re1 Bf5 17.Qf3 Nb4) 14...fe5 15.Qb3 Kh8 16.de5 Bf5 17.Ng5 (17.Ng3 Na5= (17...Bd3 18.Rd1 g5 19.Qb7 gf4 20.Bf4 Qb6 21.Qb6 ab6=)) 17...Qd3 (17...Qb6+=) 18.Nb5 Be5 (better is 18...Ne5 19.Nd4 Nc4 20.Nf5 Rf5 21.Qb7 Re8=) 19.Rf3+- (19.fe5? Qf1 20.Kf1 Be6 21.Kg1 Bb3-+) 19...Qe2 20.Ra2 (20.fe5?? Be6 21.Be3 Bb3-+) 20...Qe1 21.Rf1 Qc1 22.Rc1 Bf4 23.Re1 Bg5 24.Nc7 Rad8 25.Qb7 Ne5 (better is 25...Be3 26.Kh1 Rf6+/-) 26.Re5?? (better is 26.Qa7 Nd3 27.Rf1+-) 26...Rd1-/+ 27.Kf2 Bd3?? (better is 27...Be6 28.Ke2 Bg4 29.Qf3 Bf3 (29...Rf3? 30.Rg5 Rc3 31.Rg4+-) 30.gf3 Rh1 31.Ra7 Rh2 32.Kf1 h6-+) 28.Qf3?? Rf1-+ 29.Kg3 R1f3 30.gf3 Bf4 31.Kg2 Be5 (31...Be5 32.Ra7 Bc4-+) 0–1. Lipecki,Alexander (2135) – Salem,Aylem (2535), Caleta ENG, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Ne2 g6 8.c3 Bg7 9.0-0 0-0 10.f4 e5 11.Nc2 Qb6 (11...ed4 12.cd4 Re8 13.Nc3+=) 12.Ba3 ed4 13.cd4 Re8 14.e5 de5 15.fe5 (15.Rb1 Qd8 16.fe5 Nd5=) 15...Nd5 (15...Ne5!? 16.Rb1 Qb1 17.Qb1 Nd3+=) 16.Rb1 Qd8 17.Bc4 b6 18.Nf4 Nf4 19.Rf4 Be6 20.d5 Bf5 (20...Ne5 21.de6 Qd1 22.Rd1 fe6+=) 21.dc6+/- Be5 22.Rf2 (better is 22.Rf5!? gf5 23.Qh5+/-) 22...Bh2= 23.Kh2 Qh4 24.Kg1 Qc4 25.Qf3 Rac8 26.Qg3? (26.Rc1 Qc6 27.Qf4-/+) 26...Bc2-+ 27.Rc1 Qd3 (better is 27...Qb3!? 28.Rf3 Qd5-+) 28.Qf4-/+ Bb3 (28...Qa3?! 29.Qf7 Kh8 30.Qf6 Kg8 31.Qf7 Kh8 32.Qf6 Kg8 33.Qf7=) 29.Qf6 Re2 (29...Qd8 30.Qc3 Re7+-) 30.Re2= Qe2 31.Bb2 Qe3 32.Kh1 Qh6 33.Kg1 Qe3 34.Kh1 Qh6 ½–½. Schmidrathner,Christian – Klocker,Benedikt (2145), AUT–ch U18 Imst, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.Nf3 Bg4 8.d5 Ne5 9.Ne5 de5 10.f3 Bd7 11.Qd2 e6 12.Qc3 +=.

    7.Nf3 g6 8.0-0 Bg7 9.c3 Bg4 10.Nc2 0-0 (10...d5 11.Ne3 de4 12.Ng4 ed3 13.Nf6 Bf6 14.Bh6=+) 11.h3 (11.Ne3 Bd7=) 11...Bf3 (11...Bd7 12.Bg5=+) 12.Qf3= Qd7 13.Bg5 a6 14.Rfe1 Ne8 15.Reb1 Nf6 16.Ne3 White fights for the Initiative 16...b5 17.Nd5 Qd8 18.Ra3 Nd5 19.ed5 Nd4 20.cd4 Bd4 21.Ra2 f6? (better 21...Qd7+-) 22.Bh6+- Re8 (22...Kh8 23.Bf8 Qf8 24.Qg4+-) 23.Qg4 (23.Qg4 Bf2 24.Rf2+-) 1–0. juliangon (2680) – The dreamer (2370), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    7.c3 e5

    8.d5 Na5 9.Nc4 (9.Qa4 Bd7 10.Qb4 b6=) 9...Nc4+= 10.Qa4 Bd7 11.Qc4 Be7 12.Ne2 0-0 13.0-0 b5 14.Qb3 Qc7 15.Be3 Rfb8 16.f3 a5 17.Rfb1 Qc8 18.Qc2 Bd8 19.Kh1 h6 20.Bg1 Rb7 21.Qd2 Qb8 22.Bf2 Ne8 23.Ra2 Bb6 24.Bb6 Rb6 25.Rba1 a4 26.Rb1 Nc7 27.f4 Na6 28.fe5 de5 29.Raa1 Qd6 30.Qe3 Rab8 31.Qg3 f6 32.Qe1 Qc5 33.Nc1 Nc7 34.Na2 Ne8 35.Rb2 Nd6 36.Rab1 R6b7 37.h3 Re8 38.Qf1 f5! 39.ef5 e4 40.Be2 Nf5 41.Qe1 Nd6 42.Rb4 e3 43.c4 Reb8 44.Qh4 Bf5-+ 45.Rc1 bc4 46.Ra4 Rb1 47.Rb1 Bb1 48.Nc3 Bd3 49.Bg4 Kh7 50.Qg3 Qb6 51.Qe5 Rf8 52.Be6 e2! 53.Ne2 Rf1 54.Kh2 Be2 55.Qe2 Qg1 56.Kg3 Re1 57.Qc2 g6 58.Ra3 Ne4 59.Kh4 Qd4 60.Rf3 Nd2 61.Kg3 Qe5 62.Kf2 Rf1 0–1. Kravtsiv,Martyn (2295) – Zubov,Alexander (2510), UKR–ch sf Alushta, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    8.Ne2 ed4 9.cd4 d5 (9...Bd7 10.0-0+=) 10.e5+= Bb4 (10...Ne4 11.0-0 a6 12.Nc2=) 11.Bd2= Bd2 (11...Ba3 12.ef6 Bf8 13.fg7 Bg7 14.0-0=) 12.Qd2 Ne4 13.Be4 de4 14.0-0 (14.Nc4!? 0-0 15.Nd6=) 14...Ne5+= 15.Qf4 Ng6 16.Qe4 Ne7 17.Nb5 a6 18.Rfc1 0-0 19.Nc7 Rb8 20.Ng3 (20.Qe5 Bg4 21.f3 Bf5+=) 20...Qd6 21.Rab1 b5-/+ 22.Qe5 Qe5-+ 23.de5 Bb7 24.e6 Rbc8 25.Rc5 Rfd8 26.h4 fe6 27.Ne6 Rd6 28.Re1 Re6!-+ 29.Re6 Rc5 30.Re7 Bc8 31.Ne4 Kf8 32.Ra7 Rc1 33.Kh2 b4 34.Nd2 Rc3 35.Ra8-/+ Ke7 36.Rb8 a5-+ 37.Ra8 Rd3 38.Nc4 Be6-+ 39.Na5 Ra3 40.Rb8 Ra5 41.Rb4 Kf6 42.Kg3 Ra6 43.f3 Bd5 44.Kh3 Ke5 45.Kg3 Rc6 46.Ra4 h6 47.Rg4 g6 48.Kf2 Bb3 49.Kg3 Bc2 50.Rb4 Bd3 51.Rb8 Rc2 52.Re8 Kf6 53.Re1 Kf5 54.Rd1 Be2 55.Re1 Rd2 56.Kf2 Bc4 57.Kg3 Bd3 58.Rc1 Ke5 59.Re1 Kd4 60.Re6 Bf1 61.Rd6 Kc3 62.Rd2 Kd2 63.h5 Bd3 64.hg6 Bg6 65.Kf4 Be8 66.Kf5 Ke3 67.Kf6 Kf4?? 68.g4= ½–½. Oleksienko,M (2205) – Areshchenko,A (2470), UKR Summer Youth Games, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    8.Ne2 Be7 9.0-0 0-0 10.d5 Nb8 11.Nc4 Qc7 12.Be3 Na6 13.f3 Nc5 14.Qc2 Bd7 15.Rfb1 Rfc8 16.Na5 b6 17.Nb3 Ba4 (17...Nd3 18.Qd3 a5 19.Rb2-/+) 18.Bc4 (better is 18.Bc5!? Bb3 19.Rb3 Qc5 20.Kh1+=) 18...b5-+ 19.Qa2 (better is 19.Bb5 Bb5 20.Nc5 Be2 21.Rb7-+) 19...Nce4 (19...bc4?! 20.Nc5 Be8 21.Na6=) 20.Bb5 Bb5 21.fe4 Bd3 22.Rc1 (22.Na5 Bd8 (22...Be4?! 23.Rb7 Qb7 24.Nb7 Bd5 25.Qa6-+; 22...Bb1?! 23.Qb1 Ng4 24.Qd3-+) 23.Rb7 Qa5-+) 22...Ng4 (better is 22...Qc4!? 23.Ng3 Ne4 24.Na5 Qa2 25.Ra2 Ng3 26.hg3-+) 23.Qd2 Be4 24.c4 a5! 25.Nc3 (25.Ra5 Ra5 Combination; 25.Na5 Bg2 Decoy) 25...Ne3 26.Qe3 Bg6 27.Nb5 Qd8 28.Rc3 a4 29.Nd2 f5 30.Nf3 f4 31.Qf2 Rc5 32.Nd2 Qf8 (better is 32...Bf6!? 33.Raa3 Qb8-+) 33.Rca3 e4 34.Qe2 Bf6 35.R1a2 e3 36.Nb3 Bb1?? 37.Nc5-/+ dc5 38.Ra4 Ba2 39.Qa2?? Ra4 40.Qa4 e2 41.Kf2 Qe8 42.Qa5 Bh4 43.g3 fg3 (43...fg3 44.hg3 Bg3 45.Kg3 e1Q 46.Qe1 Qe1 47.Kf4 g6-+) 0–1. Moeldner,Juergen (2230) – Schluchter,Steffen (2140), Oberliga Sued W, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    8.Ne2 Be7 9.0-0 0-0 10.f4 a6 11.Nc2 Na5 12.Ne3 b5 13.fe5 de5 14.Nf5 Bf5 15.Rf5 ed4 16.Nd4 Rc8 17.Bb2 g6 18.Rf3 Nd7 19.Rg3 Bf6 20.Kh1 Bg7 21.Ra2 Nc4 22.Qa1 (22.Bc1 Nc5 23.Bg5 Qd7-+) 22...Nb2-+ 23.Qb2 Nc5 24.Bc2 Re8 25.Re3 Qd6 26.Ra1 Rcd8 27.Nf3 Ne6 28.Bb3 Qc5 29.Qe2 (29.Rae1 Bh6 30.R3e2 Nf4-+) 29...Bh6 (better is 29...Nf4 30.Qf2 Nd3-+) 30.Rd3-/+ Nf4 31.Rd8 Rd8 32.Qa2 Qc3 33.Bf7 Kh8 34.Qa6? Bg7 35.Rf1 Qd3 36.Rg1 Qe4 37.Qb5+= ½–½. Hrabinska,Myroslava (2280) – Nill,Jessica (2265), Dresden Infineon YM (Women), 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 Nf6 6.Bd3 Nc6)

    8.Ne2 Be7 9.0-0 0-0 10.f4 Bg4 11.Nc2 Rc8 12.h3 Be2 13.Qe2 b6 (13...a6 14.Bb2-/+) 14.Bb2 Qc7 (14...a5 15.Kh1+=) 15.Ne3 Rfe8 (better is 15...ef4!? 16.Rf4 Kh8+=) 16.Bb5 (16.Nd5 Nd5 17.ed5 Na5 18.fe5 g6+/-) 16...Red8 (16...Ne4? 17.Nd5 Nc3 18.Bc3+-) 17.g4 (17.Bc6!? Qc6 18.fe5 (worse is 18.de5 de5 19.fe5 Ne4 20.Ra7 Qe6+=) 18...de5 19.Ra7+=) 17...ed4 (17...Ne4? 18.Nd5 Ng3 19.Qe1+-) 18.cd4 Nb4 (18...Ne4 19.Nd5 Ng3 20.Qe1+-) 19.Qf3 (19.Rfc1 Qb7 20.d5 Rc1 (20...Ne4?? 21.Nf5 Rc1 22.Rc1+-) 21.Rc1 a5= (21...Ne4 22.Nf5 Bf6 23.Qe4 Bb2 24.Re1+-)) 19...d5+= 20.e5 (20.Rfc1!? Qb7 21.Rc8 Rc8 22.ed5+=) 20...Ne4-/+ 21.Rfc1 Qb7 22.Ba3 a5 23.Rab1?? (better is 23.Qf1-/+) 23...Nd2-+ 24.Qe2 Nb1 25.Rb1 Rc3 26.Bb2 Rc7 27.Ba3 Qc8 28.Qg2 Nc2 29.Be7 Ne3 (29...Re7 30.Qc2 (worse is 30.Nc2 Qc3=) 30...Rc7 31.Qd2=) 30.Qe2 (30.Qd2 Re7 31.Qe3 Rc7-+) 30...Re7 (better is 30...Rc1 31.Rc1 Qc1 32.Kf2 Nd1 33.Kg3 Rc8-+) 31.Qe3 Rc7 32.Bd3 Rc6 33.f5 a4 34.f6 gf6?? 35.Bf5= Qc7 36.Qh6 fe5 37.Bh7 Kh8 38.Bg6 Kg8 39.Bh7 ½–½. Hrabinska,Myroslava (2115) – Ushenina,Anna (2295), UKR Summer Youth Games, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 Nf6 6.Bd3 Nc6)

    7.c3 g6

    8.Ne2 Bg7 9.0-0 0-0 10.f4 d5 11.e5 Ne4 12.Be4 de4 13.Ng3 f6 14.Be3 b6 (14...f5!?-/+) 15.Ne4 (15.Qb3 Kh8 16.Ne4 Bb7=) 15...Na5 16.c4 (16.Qc2 Bb7=) 16...Bb7 17.Nd2 (17.Qc2 Qd7=) 17...Qd7 18.Qe2 Rac8 (18...fe5 19.fe5 Rf1 20.Rf1=+) 19.Rac1 (19.Rab1 fe5 20.fe5 Rf1 21.Rf1 e6=+) 19…Ba6 ½–½. Pijpers,Arthur (2460) – De Ruiter,Danny (2310), Tata Steel Tienkamp, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    8.Ne2 Bg7 9.0-0 0-0 10.f4 d5 11.e5 Ng4 12.Qb3+=.

    8.Ne2 Bg7 9.0-0 0-0 10.f4 Ne8 11.Kh1 (11.Qb3 Na5 12.Qa4 b6+=) 11...Nc7 12.Qe1 (12.f5 d5+=) 12...a6 (12...f5 13.e5+=) 13.f5 b5 14.Nc2 Bd7 (14...gf5 15.ef5 Kh8 16.Bg5=) 15.Qh4 Ne8 (15...d5 16.Nb4 e6 17.f6=) 16.Rf3 (16.fg6 hg6 17.Bg5 Nf6=) 16...e6 (16...Nf6 17.Bg5+=) 17.Qg3 e5 18.Be3 (18.fg6 fg6 19.Rf8 Bf8=) 18...Bf6 (18...Nf6 19.Bg5+=) 19.Raf1 (19.Nb4 Nb4 20.cb4 ed4=) 19...Ng7 20.Bh6 Qe7 21.Qf2 (21.Ne3 Qd8 22.fg6 fg6 23.d5+-) 21...gf5-/+ 22.Rg3 f4?? (better is 22...Kh8-/+) 23.Nf4!+/- ef4 24.Qf4 Nd8? (better is 24...Ne5 25.Qf6 Qf6 26.Rf6 Ng6 27.Rd6 Be6+-) 25.e5 (25.e5 Be5 26.de5 Qe5 27.Rg7 Kh8 28.Qh4+-) 1–0. Grabinsky,V (2360) – Lyubimtsev,A (2145), 300 Years St Petersburg RUS, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    8.Ne2 Bg7 9.f4 0-0 10.0-0 a6 11.f5 Rb8 12.Nc2 b5 13.Qe1 Qb6 14.Kh1 a5 15.Be3 Qc7 16.Qh4 b4 17.cb4 ab4 18.Bh6 b3 19.Ne3 b2 20.Rab1 Rb3 21.Bc4 Re3 (better is 21...Rb7!?+=) 22.Be3+/- Nb4 23.Bb3 Nd3 24.fg6 hg6 25.Qg5 Qb6 26.Ba2 Qa6 27.Bb3 (better is 27.Nc3!?=) 27...Nc1-/+ 28.Rb2 Nb3 29.Rfb1 (29.Bg1-+) 29...Ne4 30.Qe7 Nbd2! 31.Bd2 (31.Rd2 Nd2 Combination; 31.Bd2 Qe2) 31...Qe2 32.Bg5 Qd3 33.Bh4 Be6 (33...Qd4?! 34.Rb4 Nf2 35.Kg1 Nh3 36.Kh1-+) 34.Bg3 (34.Re1-+) 34...Ng3 (34...Bf6!? 35.Qf6 Nf6 36.Bd6-+) 35.hg3 Qg3 (worse is 35...Qd4 36.Rb8-+) 36.Rb8 (36.Rb5-+) 36...Rb8 37.Rb8 Kh7 38.Rb5 (38.Rb4 Bh6 39.d5 Bd5 40.Qe4-+) 38...Qe1 39.Kh2 Bd4 (39...Bd4 40.Qe6 Bg1 41.Kh3 Qe6 42.Kh4 Bf2 43.g3 d5 44.Rd5 Qd5 45.Kh3 Qh1 46.Kg4 Qh5 47.Kf4 Qf5) 0–1. Zajarnyi,Anatolyi (2260) – Onischuk,Vladimir (2410), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    8.Ne2 Bg7 9.Ng3 0-0 10.h4 e5 11.d5 Ne7 12.h5 Bg4 13.f3 Bd7 (worse is 13...Nh5 14.Nh5 Bh5 15.g4 Bg4 16.fg4 Nd5 17.ed5+/-) 14.hg6 fg6 15.Bg5 a6 16.Qd2 Rf7 17.0-0 Rc8 18.Rfb1 Qc7 19.c4 Be8 20.Qb2 Rb8 21.Nc2 Nd7 22.Nb4 Rc8 23.Bf1 Nc5 24.Be3 b5 (24...Ra8!?+=) 25.cb5= ab5 26.Rc1 (26.Na6 Na6 27.Ra6 Rb8=) 26...Qb7 27.Ne2 Na4 28.Qa3 Rc1 29.Rc1 Nc8 (29...Bd7 30.Na2 Nc5 31.Nec3=) 30.Nc3 Rc7 (30...Nc3 31.Qc3 Ne7 32.Nc6 Nc6 33.dc6+/-) 31.Kh2 (better is 31.Nb5!? Rc1 32.Qc1 Bb5 33.Bb5+=) 31...Nc3 32.Rc3 Rc3 33.Qc3 Nb6 (33...Bf6!?=) 34.Nc6+= Na4 35.Qb3 Kf8 36.Bb5 Nc5+/- 37.Qc4 Qb6 38.Bg5 Nb7 39.Be7 Kf7 40.Ba6 Nc5 41.Qb4?? Qa6 42.Qb8?? Bc6-+ ½–½. Lukac,Roman (2135) – Sabik,Robert (2050), SVK–ch op–A Banska Stiavnica, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    8.Nf3 Bg7 9.0-0 0-0 10.Nd2 (10.Re1 a6=+) 10...a6 11.f4 b5 12.e5 (12.Qf3 Bg4 13.Qg3 Qd7=+) 12...de5 13.fe5 Nd5 14.Ne4?? (better 14.Qf3-/+) 14...Nc3!-+ 15.Qf3 (15.Nc3 Qd4 Double attack (15...Qd4 Decoy)) 15...Qd4 16.Kh1 (16.Nf2 Ne5 17.Qa8 Nd3 18.Qf3-+) 16...Ne5 17.Nf6 Bf6 18.Qa8 Nd3 19.Bh6 (19.Qf3 Nd1! 20.Ra2 Bg4-+) 19...Ne2 (19...Ne4 20.h3 Be5 21.Qe4 Qe4 22.Ra2 Bh3 23.Bf8 Kf8 24.Rd2-+) 20.Rad1 (20.Qf3 Bg4 21.Qe3 Qe3 22.Be3 Ba1 23.Ra1-+) 20…Qg1! (20...Qg1 21.Rg1 Nf2) 0–1. Wille,Luc – Krijgelmans,Johan, Ghent, 1975. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    8.f4 e5 9.d5+= Ne7 10.fe5 de5 11.Nf3 Bg4 (11...Bg7!? 12.0-0 0-0+=) 12.Bb5+/- Bd7 13.Ne5 (13.Bd7 Nd7 14.Nb5 Qb6+-) 13...Bb5 14.Nb5 a6?? (better is 14...Bg7 15.Qe2 0-0+=) 15.d6+- ab5 (15...Nc6 16.Nc7 Qc7 17.dc7 Ne5+-) 16.Ra8 Qa8 17.d7 (17.de7 Be7 18.0-0 0-0-/+) 17...Kd8 18.Nf7 Kc7 19.d8Q (19.Qd6) 19...Qd8 20.Qd8 (20.Qd8 Kc6 21.Qd6#; 20.Nh8?! Qd1 (20...Ne4? 21.Qf3 Nc5 22.0-0+-) 21.Kd1 Bg7+=) 1–0. Simet,Martin (1920) – Pribyl,Viktor, Pilsen CZE, Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    8.f4 Bh6 9.Ne2 A) 9...a6 10.0-0 (10.Nc2 0-0 11.0-0 Qb6 12.Ne3 Bd7 13.e5 de5 14.Nc4 Qc7 15.fe5; 10.Bd2 0-0 11.0-0 Bg4 12.Nc4 b5 13.Ne3 Bh5 14.Qe1 d5 15.Ng3; 10.d5 Na5 11.0-0 Qc7 12.Bd2 0-0 13.Nd4 Bd7 14.Qb1 Qc5 15.Qb4; 10.e5 Nd5 11.0-0 0-0 12.Qb3 Be6 13.ed6 Na5 14.de7 Nb3 15.ed8Q; 10.f5 Bc1 11.Qc1 b5 12.0-0 Bd7 13.Nc2 0-0 14.Qg5 Qb6 15.Ne3; 10.Qc2 0-0 11.0-0 Bg7 12.f5 Bd7 13.Nc4 b5 14.Ne3 e6 15.fe6; 10.Nc4 d5 11.ed5 Nd5 12.0-0 b5 13.Ne5 Bb7 14.Qb3 0-0 15.c4) 10...0-0 11.Nc2 Bd7 12.Ne3 Ng4 13.Ng4 Bg4 14.f5 Bc1 15.Qc1; B) 9...Bg4 10.d5 (10.Nc4 d5 11.ed5 Nd5 12.Qb3 Qd7 13.0-0 0-0 14.h3 Be2 15.Be2; 10.0-0 0-0 11.Nc4 d5 12.ed5 Nd5 13.Qb3 b5 14.Ne5 Ne5 15.fe5; 10.h3 Bd7 11.e5 de5 12.fe5 Bc1 13.Rc1 Nh5 14.0-0 0-0 15.Rb1) 10...Na5 11.Nb5 Bd7 12.Rb1 0-0 13.0-0 a6 14.Nbd4 b5 15.f5; C) 9...Bd7 10.e5 (10.0-0 0-0 11.e5 Nd5 12.Be4 Nc7 13.d5 Na5 14.Nd4 Bg7 15.Qe2; 10.Rb1 b6 11.Bd2 0-0 12.0-0 Rb8 13.e5 Nh5 14.Qc2 d5 15.Qa2; 10.Bd2 0-0 11.0-0 Bg7 12.e5 Nh5 13.Nc4 de5 14.fe5 Be6 15.Rb1; 10.d5 Na5 11.0-0 0-0 12.Nd4 Qb6 13.Bd2 Qc5 14.Qb1 a6 15.Qb4) 10...de5 11.fe5 Bc1 12.Qc1 Nd5 13.0-0 0-0 14.Be4 Be6 15.Rb1; D) 9...0-0 10.0-0 Bd7 11.Bd2 Na5 12.c4 Nc6 13.e5 de5 14.fe5 Ng4 15.Nc2.

    8.f4 Bg7

    9.Bd2 d5 (9...0-0 10.Nf3 d5 11.ed5 Nd5 12.0-0 a6 13.Nc4 b5 14.Nce5 Qb6 15.Nc6) 10.ed5 Qd5 11.Nf3 Bf5 12.Bf5 Qf5 13.0-0 0-0 14.Nc4 b5 15.Nfe5.

    9.d5 Na5 10.Qa4 (10.Nf3 0-0 11.Rb1 Bd7 12.0-0 Qc7 13.Nb5 Bb5 14.Rb5 a6 15.Rb2; 10.Rb1 Bd7 11.Ne2 Qc8 12.Nb5 a6 13.Nbd4 0-0 14.0-0 b5 15.f5; 10.Ne2 0-0 11.Nb5 Bd7 12.Nbd4 Qc7 13.0-0 b6 14.f5 Nc4 15.Nf4) 10...Bd7 11.Qb4 b6 12.Nf3 Nb7 13.0-0 Nc5 14.Qb1 0-0 15.Nd4.

    9.e5 Nd5 10.Bd2 0-0 11.h4? Qd7 12.h5-/+ Qg4 13.Qg4=+ Bg4 14.h6 Bh8 15.Nh3 de5 16.fe5 f6 17.Bc4 Be6 18.0-0 Rac8 19.Rae1= Nd8 20.ef6 ef6 21.Re6 Rc4 22.Rd6 Ra4 23.Nb5 Nb6=+ 24.Bc1 Nc8 25.Rd7= Re8 26.Nc7 Rf8?? 27.Nd5 Ra1 28.Nhf4+- Nf7 29.Ne6 Re8+= 30.Rc7 Nfd6 31.Bf4?? Rf1-+ 32.Kf1 Re6 33.Bd6 Nd6 34.c4? Kf8 35.c5-/+ Nf7 36.Rb7 f5 37.Nc7-+ Rc6?? 38.d5+/- Rc7 39.Rc7 Bd4 40.d6+- Nh6?? 41.Rc8 Kg7 42.c6 Nf7 43.Rc7 (43.Rc7 Be5 44.Rf7 Kf7 45.c7+-) 1–0. Rewitz,Poul (2305) – Skou,N (2090), Copenhagen DEN, Politiken Cup, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6)

    9.Nf3 0-0 10.0-0 a6 11.Bd2 d5 12.ed5 Nd5 13.Nc4 b5 14.Nce5 Qb6 15.Nc6.

    9.Nf3 0-0 10.0-0 a6 11.h3 Rb8 12.Nc4 d5 13.ed5 Nd5 14.Bd2 Bf5 15.Bf5 gf5 16.Nce5 Qc7 17.Qe1 e6 18.g4 fg4 19.hg4 f6 20.Nd3 Rbe8 21.Qh4 Na5 22.Nc5 Nc4 23.Rae1 Nd2 24.Nd2 Nf4 25.Nde4 e5 26.Ng3 Qc6 27.Qh2 Nd5 28.Nf5 Nc3 29.Qc2 Nd5 30.Qb3 Rf7 31.Ne4 Bf8 32.g5 ed4 33.gf6 Nc3?? (better is 33...Ne3 34.Re3 de3-+) 34.Ng5 (34.Ned6 Qd5 35.Re8 Rf6 36.Ne7 Kg7 37.Nd5 Rg6 38.Kf2 Bd6 39.Qb7 Kh6 40.Rh1 Kg5 41.Qh7 Bg3 42.Kg3 Kf5 43.Kh4 Nd5 44.Qd7 Re6 45.Qe6 Kf4 46.Rf1) 34...Qd7?? (34...Qf6 35.Nf7 Qg6 36.Ng5 Kh8 37.Re8 Qg5 38.Kf2 Ne4 39.Re4 Qf5 40.Qf3 Qf3 41.Kf3 h5+-) 35.Ne7 Ree7 36.fe7 Qg4 37.Kh2 Qh5 38.Nh3 Be7 39.Re7 1–0. Rewitz,Poul (2295) – Rasmussen,Karsten (2420), 50th Team Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6)

    9.Nf3 0-0 10.Bd2 d5 11.ed5 Nd5 12.0-0 a6 13.Nc4 b5 14.Nce5 Qb6 15.Nc6.

    9.Nf3 a6 10.0-0 (10.Bd2 d5 11.ed5 Nd5 12.0-0 0-0 13.Nc4 b5 14.Nce5 Qb6 15.Nc6; 10.Qc2 0-0 11.0-0 Rb8 12.Nc4 Nh5 13.Be3 b5 14.Ncd2 Nf6 15.f5; 10.e5 Nd5 11.0-0 0-0 12.Qb3 Be6 13.Qb7 Na5 14.Qb2 Rb8 15.Qc2; 10.Qb3 Na5 11.Qb2 0-0 12.0-0 Qc7 13.c4 Nd7 14.Qa2 Nc6 15.Nc2; 10.Qd2 0-0 11.0-0 d5 12.ed5 Nd5 13.Bb2 Bh6 14.g3 Bh3 15.Rfe1; 10.d5 Na5 11.Nd4 Bg4 12.Qd2 0-0 13.Nac2 Bd7 14.0-0 Qb6 15.Ne3) 10...0-0 11.Nc4 d5 12.ed5 Nd5 13.Qb3 b5 14.Nce5 Ne5 15.fe5.

    9.Nf3 d5 10.ed5 Nd5+= 11.Bd2 0-0 12.0-0 Bh6 13.Ne5 Ne5 14.fe5 Bg4 15.Qe1.

    9.Nf3 d5 10.e5 Ne4 11.Be4 de4 12.Ng5 =.

    9.Nf3 Bd7 10.0-0 (10.Bd2 0-0 11.0-0 Bg4 12.Nc4 d5 13.ed5 Nd5 14.Nce5 Ne5 15.fe5; 10.e5 Nd5 11.0-0 0-0 12.Qb3 Nb6 13.Qb2 Be6 14.Ng5 de5 15.fe5; 10.Qc2 0-0 11.0-0 d5 12.e5 Ne4 13.Nc4 Bf5 14.Ne3 Qd7 15.Ba3) 10...0-0 11.Bd2 Bg4 12.h3 Bd7 13.Qb1 Rb8 14.f5 Nh5 15.Rf2.

    9.Nf3 Bg4 10.h3 Bf3 11.Qf3 a6 12.0-0 0-0 13.Nc2 (13.Rb1 Nd7=) 13...Qc7 14.e5 de5 (14...Nd7 15.Be4+=) 15.fe5 Nd7 16.Ne3 (16.Be4 f5 17.Bd5 Kh8+=) 16...Nb6 (better is 16...Nce5!? 17.de5 Ne5=) 17.Nf5 Nd8 18.Ng7 Kg7 19.Bb2 (19.Rb1!?+/-) 19...Nc4 (19...Ne6 20.Rab1+=) 20.Bc1 Nb6 21.Bc2 (21.Be3!?+/-) 21...Rc8= 22.Bd2 Qd7 (22...Nc4 23.Be1=) 23.Be4 (23.Rae1 a5+=) 23...Nc4 24.Bc1 f5 25.g4 e6 (25...f4 26.Rf2=) 26.Ra2 (better is 26.Rf2=) 26...Nf7?? (better is 26...Re8!? 27.Bc2 Nc6=) 27.gf5 (27.Bb7 Rb8 28.Ba6 Nb6+/-) 27...gf5? (better is 27...ef5 28.Bb7 Rc7 29.Ba6 Qe6+/-) 28.Bb7+- Rb8 29.Ba6 Nb6 30.Rg2 Kh8 31.Kh2 Rg8 (31...Qd5 32.Qf2 Rg8 33.Rfg1 Rg2 34.Qg2 Qg2 35.Rg2+-) 32.Rfg1 Nd5 33.Bc4 Ne7 ½–½. Alba Lineros,Emilio – Hernandez Lopez,Daniel (2050), ESP–ch U16 Oropesa del Mar, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 Nc6 7.c3 g6 8.f4 Bg7)

    6.Bd3 e5

    7.c3 Nc6 8.Ne2 d5 9.ed5 Nd5 10.c4 Ndb4 11.d5 Nd3 12.Qd3 Bb4 13.Bd2 Bd2 (13...0-0!?-/+) 14.Qd2= Na5 15.Qb4 b6 16.Nb5 Nb7 17.0-0 a5 18.Qa3 Bd7 19.Nec3 Nc5 (19...f6!?=) 20.Nd6+= Kf8 21.f4 ef4 22.Rf4 f6 23.Nce4 Ne4 24.Re4 Kg8 25.Rae1 h5 26.Re7 Rh7 27.c5 bc5 28.Nb7 Qc7 (28...Qc8 29.Nc5 Bf5+-) 29.Nc5+- Rd8 30.Ne6?? (better is 30.d6 Qd6 31.Qa2 Kh8 32.Nd7+-) 30...Qb6+= 31.Kh1 Be6 32.R7e6 (worse is 32.R1e6 Qb5 33.h3 Qd5+=) 32...Qb5 33.d6 g6 (better is 33...Rh6!?=) 34.Rf6+/- Rg7 35.h3 a4 36.Qg3 Kh7 37.Re7 Rd7?? (37...Qb1 38.Kh2 Rb8+-) 38.Qg6 (38.Qg6 Kg8 39.Qg7) 1–0. Zajarnyi,Anatolyi (2395) – Fuks,Sergey (2235), Lviv, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.c3 Nc6 8.Ne2 Be7 9.0-0 0-0 10.f4 Bg4 11.Nc2 ed4 12.cd4 (12.Ncd4 A) 12...Qc7 13.Qc2 d5 (13...a5 14.Be3 Nd4 15.Bd4 Nd7 16.h3 Be6 17.Ng3 Bf6 18.Ne2 Rfe8; 13...Nd4 14.Nd4 a5 15.f5 Rfc8 16.c4 Bh5 17.h3 Nd7 18.g4 d5; 13...Bd7 14.Rf3 a5 15.Nb5 Qc8 16.Ned4 Nd4 17.Nd4 h6 18.Ba3 Bg4) 14.e5 Ne4 15.Be4 de4 16.Qe4 Rfd8 17.Nc6 Qc6 18.Qc6 bc6; B) 12...Nd4 13.cd4 Qb6 14.h3 Bd7 15.Bd2 Rfc8 16.e5 Nd5 17.Rb1 Qc6 18.Qb3 Nb6; C) 12...d5 13.e5 Ne4 (13...Nd4 14.cd4 Ne4 15.Qb3 Qd7 16.Bb5 Qe6 17.Bd3 a5 18.Be3 Rfc8; 13...Bc5 14.Be3 Ne4 15.Qb3 Qb6 16.Qd5 Nc3 17.Nc3 Bd4 18.Bd4 Nd4) 14.Nc6 bc6 15.Qc2 Be2 16.Qe2 Bc5 17.Kh1 f5 18.Ra6 Qc7; D) 12...a5 D1) 13.Qc2 Bd7 (13...Qc7 14.Be3 Rfc8 15.h3 Bd7 16.Nb5 Qd8 17.Qb3 Be6 18.c4 Nb4) 14.Rf3 Nd4 15.Nd4 Qc7 16.Ba3 Rfe8 17.Rb1 a4 18.c4 h5; D2) 13.Nc6 bc6 14.Qc2 c5 15.e5 de5 16.fe5 Nd5 17.Bh7 Kh8 18.Be4 c4) 12...d5 13.e5 Ne4 14.f5 (14.h3 Be2 15.Be2 a5 16.Bf3 f5 17.Ne3 Ra6 18.Qb3 Nd4) 14...Qd7 15.f6 gf6 16.Be4 de4 17.ef6 Bd6 (17...Bc5 18.Qd2 Kh8) 18.Bh6 Rfe8 (18...Rfc8+=) 19.Qd2 e3 20.Ne3 Bb4 21.Qc1 Rac8 22.Nc2 Bf5 (22...Be2?? 23.Qg5 Kh8 24.Qg7) 23.Nb4 Nb4 24.Qg5 (24.Qd2!? Rc2 25.Qb4 Rce2 26.Rf2 (26.Ra7 Rg2 27.Kh1 Be4 28.d5 Qh3 29.Qf8 Rf8 30.Bf4 Rh2 31.Kg1 Rg2) 26...Rf2 27.Kf2=) 24...Bg6= 25.Bf8?? (better is 25.Qd2=) 25...Re2-+ (25...Rf8?? 26.Qh6 Qd4 27.Nd4 Rfe8 28.Qg7; 25...Kf8?? 26.Qh6 Kg8 27.Qg7) 26.Bc5 Qd5 27.Qg4 Rce8 28.Bb4 (28.Ra7 h5 29.Qf3 Rc2 30.Qd5 Nd5-+) 28...R2e4 (better is 28...h5 29.Qf3 Qd4 30.Kh1 Qb4-+) 29.Qd1 Rd4 (29...Qd4?! 30.Qd4 Rd4 31.Bc5=) 30.Qa4 b5 31.Qa3 Re2 32.Qg3 h5 33.Rae1 Re1 (33...Rg2! 34.Qg2 Rg4 35.Qg4 hg4 36.Rf4-+) 34.Be1-/+ Rg4 35.Qb8 Kh7 36.Bg3 h4 37.Qc8?? (better is 37.Qe5 Qe4 38.Qe4 Be4 39.Rf4 Rf4 40.Bf4-+) 37...Qd4 (37...hg3?! 38.Qg4 gh2 39.Kh2+=) 38.Bf2 Qe4 39.Bg3 hg3 40.h3 Rf4 (40...Rf4 41.Qc3 Rf1 42.Kf1 Qf4 43.Ke2 Qf2 44.Kd1 Qg2-+) 0–1. Khaetsky,Roman (2375) – Cyborowski,Lukasz (2515), Krakow Poland, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 Nf6 6.Bd3 e5)

    7.c3 Nc6 8.Ne2 Be7 9.0-0 0-0 10.h3 d5 11.ed5 Nd5 12.c4 Ndb4 13.d5 Nd3 14.Qd3 Nb4 15.Qd2 (15.Qf3 Re8+=) 15...Na6 (15...Bf5!?-/+) 16.Bb2 f6 17.Rfd1 Bb4 18.Qe3 Bc5 19.Qf3 Bd7 20.Nc3 f5 (20...Qc8 21.Qe2+=) 21.Nab5 (21.Ncb5 e4 22.Qg3 Rf7+=) 21...e4 (21...Qh4 22.Na4 Qc4 23.Nc5 Qc5 24.Na3-/+) 22.Qf4 (22.Qe2 Qb8+=) 22...Nb4+= 23.Na4 (23.Ba3!?+=) 23...Be7-/+ 24.Nc7 Rc8 25.d6 (better is 25.Qg3!? Bf6 26.Bf6 Qf6 27.d6+=) 25...Bg5-/+ 26.Qg3 (26.Qe5 Rf7 27.Ne6 Be6 28.Qe6 Nd3+=) 26...Nd3 (better is 27.h4 Bf6 28.Bf6 Rf6 29.Nc3-/+) 27...f4-+ (27...ed3 28.Nc5 Bf6 29.Nb7 Bb2 30.Nd8 Ba1 31.Nb7=) 28.Qh2 ed3 29.Nc5 Rc7 30.dc7 Qc7 31.Nd3 Qc4 32.Ne5 Qb4 (32...Qb4 33.Nd7 Qb2-+) 0–1. Singer,Krystian (2145) – Klimaszewski,Mariusz, Poland–ch U18 Bartkowa, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.c3 Nc6 8.Ne2 Be7 9.0-0 Bg4 10.f3 (10.d5 Na5=) 10...Bh5 (10...Bd7 11.d5 Na5 12.Be3+=) 11.Nc2 (11.d5 Nb8=) 11...0-0 12.Ne3 Bg6 13.Ba3 (13.d5 Nb8+=) 13...Re8 (13...ed4 14.cd4 Re8 15.Bc4=) 14.Qb3 (14.d5 Qb6 15.Bc1 Nb8+=) 14...Qc7 (14...d5 15.Qb7 Ba3 16.Ra3+=) 15.Rab1 d5 16.Be7 Re7 (worse is 16...Qe7 17.Nd5 Nd5 18.Qd5=; 16...Ne7?! 17.Qb7 Qb7 18.Rb7 de4 19.fe4 ed4 20.Rf6 de3 21.Rf3+=) 17.f4? (17.Nd5!? Nd5 18.Qd5+=) 17...ed4 (better is 17...de4 18.Bb5 ed4 19.cd4 Qd6 20.Bc6 bc6-+) 18.f5? (better is 18.Nd5 Nd5 19.Qd5-+) 18...de4-+ (18...de3?! 19.fg6 Ne5 20.gh7 Kh8 21.Bc2 Ne4 22.Be4 de4 23.Qb4-+) 19.fg6 hg6 20.Rf6 de3 21.Rc6 Qc6 22.Bc4 Rd8 23.Nd4 Qc5 24.Rf1 e2! 25.Be2 Rc7 26.Qa2? Qc3 27.Ne6 Qe3 28.Kh1 fe6 29.Qe6 Kh7 30.Rf3 Rc1 31.Bf1 ef3 (31...ef3 32.Qh3 Kg8 33.Qf3 Rf8 34.h3 Rf1 35.Qf1 Rf1 36.Kh2 Qf4 37.g3 Qd2) 0–1. Goverde,R – Muhren,Bianca, NED U20 op Hengelo, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.d5 Nbd7+= 8.Be3 Be7 9.Qd2 (9.Nb5 a6+=) 9...Ng4-/+ 10.Nc4 Ne3 11.Ne3 0-0 12.Nf3 Nc5 13.0-0? (better is 13.Ra5!?-/+) 13...f5!-+ 14.Ne1? (14.Nf5 Bf5 Combination; 14.ef5 e4 Combination) 14...fe4 15.Be2 a6 16.Bg4 Bg5 17.Bc8 Rc8 18.Qe2 Be3 19.Qe3 Rc7 20.Ra3 Rcf7 21.Rc3 (21.c4 a5-+) 21...Qb6 22.Qh3 (22.Qe2-+) 22...Qd8 (better is 22...Rf2! 23.Rf2 Rf2 24.Qe3-+ (24.Kf2?? Nd3 25.Kg3 Qf2 26.Kg4 Qf4 27.Kh5 g6#)) 23.Qe3 b6 (23...Qa5 24.Ra3 Qb4 25.Qc3 Qc3 26.Rc3-+) 24.Qd2 (24.Rc5 bc5 (24...dc5?! 25.Qe4 Rf4 26.Qe5-+) 25.Qe4 Qa5-+) 24...b5 25.Rh3 a5 26.g3 (26.Rc3 b4 27.Re3 Qb6-+) 26...b4 (26...a4!? 27.g4-+) 27.Ng2 Rf3 28.Nh4 e3 (28...e3 29.Nf3 ed2 (29...Rf3?! 30.Qd1 ef2 31.Rf2 Rf2 32.Kf2-+) 30.Nd2 Qa8-+) 0–1. Shabanaj,Saimir (2170) – Vukcevic,Nemanja (2075), Cetinje MNT, Batricevic Mem, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.d5 Be7 8.Nb5 a6 9.Nf3 0-0 10.0-0 Nbd7 11.Be3 Ng4 12.Bd2 -/+.

    7.d5 Be7 8.Ne2 0-0 9.0-0 Nbd7 10.Nb5 a6 11.Bd2 Nc5 12.Nbc3 Bd7 13.f4 Nd3 14.cd3 b5 15.h3 Qb6 16.Kh2 Rfc8 17.f5 (17.Qb3 a5-+) 17...a5-+ 18.g4 Ne8 19.g5 a4 20.f6 gf6 21.gf6 Nf6 22.Bg5? (22.Rf3 Kh8 23.Be3-+) 22…Ng4! (22...Ng4 23.hg4 Bg5-+) 0–1. Fasoli,Stefano – Gerundino,Nicola, ITA–chT4 corr, 1987. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.Ne2 d5 8.ed5 ed4 9.0-0 Bc5 10.Nd4 Bd4 11.Bb5 Nc6 12.Qd4 +=.

    7.Ne2 Be7 8.0-0 Nbd7 9.c3 b6 10.Bb2 Bb7 11.Ng3 ed4 12.cd4 0-0 13.Nb5 a6 14.Nc3 g6 15.Qb3 b5 16.Nd1 Re8 17.Ne3 Bf8 18.f3 Bg7 19.Rfc1 Qb6 20.Bb1 Bh6 21.Ngf1 Re7 22.Rc2 a5 23.Kh1 b4 24.Rc1 d5 25.e5 Ne8 26.Re1 Nc7 27.Rc1 Re6 28.Re1 Bc6 29.Ng3 a4 30.Qd3 a3 31.Bc1 Bb5 32.Qd1 Be3 33.Be3 Bc4 34.Bd3 Qb5 35.Bc4 dc4 (35...Qc4 36.Rc1 Qb5 37.Rc7=) 36.Ne4 b3 0–1. Knorr,Bernd – Schneider,HA, GER theme, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.Nf3 Nc6 8.d5 (8.Bb2 A) 8...ed4 9.0-0 (9.Nd4 Be7 10.0-0 0-0 11.Nc4 Nd4 12.Bd4 Be6 13.Ne3) 9...Be7 10.Nd4 0-0 11.Nc4 Nd4 12.Bd4 Be6 13.Ne3; B) 8...Qa5 9.Qd2 (9.Kf1 ed4 10.Nd4 Bd7 11.Nc6 Qb6 12.Na7 Ng4 13.Qe1) 9...Qd2 10.Kd2 Ng4 11.Nb5 Kd7 12.Ke2 ed4 13.Nfd4; C) 8...Be7 9.0-0 (9.de5 Ne5 10.Ne5 de5 11.Nc4 Bb4 12.Kf1 0-0 13.Ne5) 9...ed4 10.Nd4 0-0 11.Nab5 Bd7 12.Nf5 Bf5 13.ef5; 8.Nb5 A) 8...a6 9.d5 (9.c3 Bd7 10.Na3 ed4 11.cd4 d5 12.e5 Bb4 13.Bd2) 9...Nb4 10.0-0 Be7 11.Qd2 Nd3 12.Qd3 Bd7 13.Nc3; B) 8...Be7 9.Bd2 (9.c3 0-0 10.d5 Na5 11.Qa4 b6 12.0-0 a6 13.Na3) 9...ed4 10.Nfd4 Nd4 11.Nd4 Qb6 12.c3 0-0 13.0-0; C) 8...Bd7 9.Be3 (9.Ba3 Ne4 10.0-0 f5 11.d5 Na5 12.Qe2 Bb5 13.Bb5) 9...a6 10.Nc3 Be7 11.Qb1 Qc7 12.0-0 0-0 13.Nd5; 8.0-0 A) 8...Bg4 9.Bb2 (9.de5 de5 10.Nc4 Bc5 11.h3 Bf3 12.Qf3 0-0 13.Qg3) 9...Nd4 10.Bd4 ed4 11.Bb5 Bd7 12.Bd7 Qd7 13.Nc4; B) 8...ed4 9.Nb5 (9.Bb2 Be7 10.Nd4 0-0 11.Nc4 Nd4 12.Bd4 Be6 13.Ne3) 9...Be7 10.Nbd4 Ne5 11.Bf4 0-0 12.Qe2 Qc7 13.Nb5; C) 8...Be7 9.de5 (9.Bb2 ed4 10.Nd4 0-0 11.Nc4 Nd4 12.Bd4 Be6 13.Ne3) 9...de5 10.Nc4 0-0 11.Bb2 Be6 12.Nfe5 Ne5 13.Ne5) 8...Nb4 (8...Na5 9.Bd2 (9.0-0 Be7 10.Qe1 0-0 11.h3 b6 12.Be3 Bd7 13.Qb4) 9...Be7 10.Nb5 b6 11.0-0 0-0 12.Ba5 ba5 13.Qd2; 8...Nd4 9.Nd4 (9.h3 Nf3 10.Qf3 Be7 11.0-0 0-0 12.Nc4 Bd7 13.Ba3) 9...ed4 10.0-0 Bd7 11.Qe2 Ng4 12.Rb1 Qc8 13.e5) 9.Nc4 (9.0-0 Be7= (9...Nd3 10.Qd3 Be7 11.Nc4 Bg4 12.Be3 Qb8 13.Rfb1) 10.Bb5 Bd7 11.Bd2 a5 12.Qe2 0-0 13.Rfb1; 9.Bb2 Be7 10.Bc3 Nd3 11.Qd3 0-0 12.0-0 Bd7 13.Rab1) 9...Qc7 (9...b5 10.Na5 (10.Na3 Nd3 11.Qd3 Qa5 12.Bd2 Qa4 13.Ke2) 10...Bd7 (10...Qd7 11.0-0 Be7 12.c4 Nd3 13.Qd3) 11.Bd2 (11.0-0 Be7 12.Bd2 Nd3 13.cd3) 11...Nd3 12.cd3= Rc8 13.0-0) 10.Be3= (10.Rb1 Nd3 11.Qd3 Bd7 12.0-0 b5 13.Ne3) 10...Na6 (10...Ne4 11.Nb6 Rb8 12.Ra7 Bf5 13.0-0) 11.0-0 Ne4 12.Be4 (12.Nb6 ab6 13.Be4) 12...Qc4 13.Bd3 (13.Nd2 Qc7 14.f4 Nc5=) 13...Qc7+= (13...Qd5? 14.Ba6 Qd1 15.Bb5 (15.Rad1? ba6 16.c4 f6-+) 15...Ke7 16.Rfd1+-) 14.Bb5 Bd7 15.c4 Bb5 (15...Nc5 16.Qb1 b6 17.Bc5 bc5 18.Bd7 Qd7 19.Ra3+=) 16.cb5= Nc5 17.b6 Qb6 18.Rb1 Qc7 19.Bc5 dc5 (19...Qc5?? 20.Qa4 (20.Rb7?! Be7=) 20...b5 21.Rb5 Qb5 22.Qb5 Ke7 23.Qb7 Kf6 24.Qa8+-) 20.Qa4 Qd7 21.Qd7 Kd7 22.Rb7 Kd6 23.Rf7 e4 (worse is 23...Kd5 24.Rd1 Kc4 25.Ne5 Kc3 26.Rfd7+/-) 24.Ng5 h6 25.Ne4 Kd5 26.Re1 a5 27.Rf5 Kc6 28.Rc1 a4 29.Nc5 a3 30.Re5 Kd6 31.Re3 Ra7 32.Rd3= Ke7 33.Ra1 Kf7 34.Nd7 a2 35.h3 Kg6 36.Rd2 Bb4 37.Raa2 Ra2 38.Ra2 Rd8 39.Ne5 Kf5 40.Nc4 Bc3 41.Ne3 Ke5 42.g4 Ke4 43.Kg2 Rd2 44.Rd2 Bd2 45.Nf5 Bc3 46.Ng3 Kd3 47.h4 Bb2 48.h5 Kd4 49.Kf3 Ke5 50.Nf5 Kf6 51.Kg3 Ke6 52.f4 Kd5 53.Kf3 Bc3 54.Ne3 Ke6 55.Ke4 Bb2 56.Nd5 Bc1 57.Nc7 Kf6 58.Ne8 Kf7 59.Nd6 Ke6 60.Nf5 Kf6 61.Nh4 Ke6 62.Nf3 Bb2 63.g5 hg5 64.fg5 Bf6?? 65.gf6+- Kf6 66.Kf4 g6 67.h6 g5 68.Ng5 Kg6 69.h7 Kg7 70.Kf5 ½–½. Kuna,Heiko (2420) – Fleury,Flavio (2285), RSX – 4–Jahreszeiten: Sommer, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    7.Nf3 ed4 A) 8.Nb5 A1) 8...Nc6 9.Nbd4 (9.0-0 Be7 10.Nfd4 Nd4 11.Nd4 0-0 12.Bd2 Be6 13.Qe2) 9...Nd4 10.Nd4 Be7 11.0-0 0-0 12.Bd2 Be6 13.Qe2; A2) 8...Nbd7 9.Na7 (9.0-0 Nc5 10.Nfd4 Be7 11.Ra7 Ra7 12.Na7 Bd7 13.f3) 9...d5 10.ed5 Bb4 11.Bd2 Bd2 12.Qd2 Qb6 13.Qa5; A3) 8...Be7 9.Na7 (9.Nbd4 0-0 10.0-0 Nbd7 11.Re1 a5 12.Nf5 a4 13.Ba3) 9...Bg4 10.Bb2 0-0 11.0-0 Nbd7 12.Bd4 Ne5 13.Re1; B) 8.Nd4 B1) 8...Nc6 9.Nc6 (9.Nab5 d5 10.ed5 Nd4 11.Nd4 Bb4 12.Bd2 Nd5 13.0-0) 9...bc6 10.0-0 Be6 11.Bf4 Be7 12.Re1 0-0 13.Nc4; B2) 8...d5 9.e5 (9.ed5 Bb4 10.Bd2 Qe7 11.Qe2 Nd5 12.Bb4 Qe2 13.Be2) 9...Ne4 10.0-0 Nc6 11.Nc6 bc6 12.Be3 Bb4 13.Qf3; B3) 8...Be7 9.0-0 (9.Be3 0-0 10.0-0 Nc6 11.Nc6 bc6 12.Nc4 d5 13.ed5) 9...0-0 10.Nab5 Nc6 11.Bf4 Bd7 12.Re1 Nd4 13.Nd4; C) 8.Bd2 C1) 8...Nc6 9.0-0 (9.Nb5 Bg4 10.Ra4 d5 11.ed5 Nd5 12.Nbd4 Qe7 13.Kf1) 9...Be7 10.Nb5 Bg4 11.Ra4 0-0 12.Nbd4 Ne5 13.Qa1; C2) 8...d5 9.ed5 (9.e5 Ne4 10.Nd4 Bc5 11.Nab5 0-0 12.0-0 Nc6 13.Be4) 9...Bc5 10.Qe2 Qe7 11.Bc4 Nbd7 12.Qe7 Be7 13.Bf4; C3) 8...Bg4 9.h3 (9.0-0 Nc6 10.Rb1 Qe7 11.h3 Bh5 12.Re1 0-0-0 13.Nc4) 9...Bf3 10.Qf3 Nc6 11.0-0 Be7 12.Rfb1 Qd7 13.Nc4; D) 8.0-0 D1) 8...Nc6 9.Nb5 (9.Bb2 Be7 10.Nd4 0-0 11.Nc4 Nd4 12.Bd4 Be6 13.Ne3) 9...Be7 10.Nfd4 Nd4 11.Nd4 0-0 12.Bd2 Ng4 13.Be2; D2) 8...Be7 9.Nd4 (9.Nb5 Nc6 10.Nfd4 Nd4 11.Nd4 0-0 12.Bf4 Be6 13.Re1) 9...0-0 10.Be3 Nc6 11.Nc6 bc6 12.Nc4 Be6 13.e5; D3) 8...Bg4 9.Bb2 (9.Nb5 Nc6 10.Bb2 Qb6 11.h3 Bf3 12.Qf3 Be7 13.Ra4) 9...Nc6 10.Nb5 Qb6 11.Bd4 Nd4 12.Nbd4 0-0-0 13.Qd2.

    7.Nf3+= d5 8.ed5 e4 9.Qe2 Qd5 10.Bc4 Bb4 11.Bd2 Bd2 12.Qd2 +=.

    7.Nf3 Nbd7 A) 8.0-0 A1) 8...ed4 9.Nb5 (9.Nd4 Be7 10.Nab5 Nc5 11.Ra7 Ra7 12.Na7 Bd7 13.f3) 9...Nc5 10.e5 de5 11.Ne5 Be7 12.Nd4 0-0 13.Bc4; A2) 8...a6 9.Be3 (9.Nc4 b5 10.Na5 Qc7 11.Bb2 Be7 12.c4 b4 13.c5) 9...ed4 10.Nd4 Nc5 11.Nc4 Nfe4 12.Be4 Ne4 13.f3; A3) 8...Be7 9.Nc4 (9.Bd2 0-0 10.Nb5 a6 11.Qe2 ed4 12.Nbd4 Ne5 13.Rfb1) 9...ed4 10.Nd4 0-0 11.Bf4 d5 12.ed5 Nd5 13.Qf3; B) 8.Nc4 B1) 8...ed4 9.Nd4 (9.0-0 Be7 10.Nd4 0-0 11.Qe2 Nc5 12.Re1 Bg4 13.Qd2) 9...Ne5 10.0-0 Be7 11.Bb2 0-0 12.Ne5 de5 13.Nf3; B2) 8...b5 9.Na5 (9.Ne3 Bb7 10.Bb5 Ne4 11.de5 a6 12.Ba4 Nc3 13.Bd7) 9...Qb6 10.0-0 Be7 11.Qe2 Ba6 12.c4 Rb8 13.Be3; B3) 8...Be7 9.0-0 (9.Bg5 0-0 10.0-0 b5 11.Ne3 Bb7 12.Nf5 a6 13.Re1) 9...ed4 10.Nd4 0-0 11.Bb2 Nc5 12.Re1 Re8 13.h3; C) 8.Qe2 C1) 8...Be7 9.Nb5 (9.c3 d5 10.ed5 e4 11.Be4 Ne4 12.Qe4 Nf6 13.Qb1) 9...ed4 10.Bf4 Nc5 11.Nfd4 0-0 12.0-0 a6 13.h3; C2) 8...a6 9.0-0 (9.Bd2 Be7 10.0-0 0-0 11.Rfd1 ed4 12.Nb5 Nc5 13.Nbd4) 9...Be7 10.c3 0-0 11.Bg5 h6 12.Bd2 Re8 13.Nc4; C3) 8...ed4 9.Nd4 (9.0-0 Be7 10.Nb5 Ne5 11.Nbd4 0-0 12.Bf4 a5 13.h3) 9...Be7 10.0-0 0-0 11.Bd2 Ne5 12.Nc4 Nd3 13.Qd3; D) 8.Nb5 D1) 8...a6 9.0-0 (9.Bb2 Be7 10.0-0 0-0 11.Re1 ed4 12.Nbd4 g6 13.h3) 9...Be7 10.Bb2 0-0 11.Re1 ed4 12.Nbd4 g6 13.h3; D2) 8...Qb6 9.Be3 (9.0-0 Be7 10.Bd2 0-0 11.Ba5 Qc6 12.Bb4 Re8 13.Na7) 9...ed4 10.Bd4 Nc5 11.0-0 Be7 12.e5 de5 13.Ne5; D3) 8...ed4 9.Na7 (9.0-0 Nc5 10.Nfd4 a5 11.Bf4 Be7 12.e5 de5 13.Be5) 9...d5 10.ed5 Bb4 11.Bd2 Bd2 12.Qd2 Qb6 13.Qa5.

    7.Nf3 Bg4 A) 8.0-0 A1) 8...ed4 9.h3 (9.Nb5 Nc6 10.Bb2 Qb6 11.h3 Bf3 12.Qf3 Be7 13.Ra4) 9...Bf3 10.Qf3 Nc6 11.Nc4 Be7 12.Bf4 0-0 13.Rfb1; A2) 8...Nbd7 9.Bb2 (9.h3 Bf3 10.Qf3 ed4 11.Bb2 Ne5 12.Qe2 Nd3 13.cd3) 9...ed4 10.Bd4 Ne5 11.Bb5 Bd7 12.Be5 de5 13.Ne5; A3) 8...Nc6 9.d5 (9.Bb2 Nd4 10.Bd4 ed4 11.Bb5 Bd7 12.Bd7 Qd7 13.Nc4) 9...Nd4 10.Rb1 b6 11.Be2 Ne2 12.Qe2 Be7 13.h3; B) 8.h3 B1) 8...Bh5 9.d5 (9.Nb5 a6 10.g4 Nc6 11.gh5 ab5 12.Ra8 Qa8 13.0-0) 9...Nbd7 10.0-0 Be7 11.Be3 0-0 12.Rb1 Qc8 13.Qe2; B2) 8...Bf3 9.Qf3 (9.gf3 ed4 10.Bb5 Nc6 11.Qd4 Qd7 12.Bc6 Qc6 13.0-0) 9...Nc6 10.d5 Nd4 11.Qd1 Rc8 12.Bd2 Nd7 13.c3; C) 8.Nb5 C1) 8...Nbd7 9.Ba3 (9.0-0 a6 10.Nc3 Rc8 11.Bd2 Be7 12.Nd5 Nd5 13.ed5) 9...Ne4 10.0-0 d5 11.c4 a6 12.Bf8 Kf8 13.cd5; C2) 8...Nc6 9.d5 (9.c3 a6 10.Qa4 Bf3 11.gf3 Nd7 12.Bg5 f6 13.Be3) 9...Nb4 10.0-0 a6 11.Nc3 Be7 12.h3 Bd7 13.Be3; C3) 8...a6 9.d5 (9.Nc3 ed4 10.Nd5 Be7 11.0-0 Nc6 12.Rb1 b5 13.Be2) 9...Nbd7 10.Nc3 Rc8 11.Bd2 Nc5 12.0-0 Be7 13.h3; D) 8.Bb2 D1) 8...d5 9.de5 (9.h3 Qb6 10.hg4 Qb2 11.Nb5 de4 12.Rb1 Qa2 13.de5) 9...Ne4 10.0-0 Nc6 11.Qe2 Bf3 12.gf3 Ba3 13.Ra3; D2) 8...ed4 9.0-0 (9.h3 Bf3 10.Qf3 Nc6 11.Nb5 Be7 12.0-0 Qb6 13.Ra4) 9...Nc6 10.Nb5 Be7 11.Nbd4 Nd4 12.Bd4 0-0 13.h3; D3) 8...Nc6 9.d5 (9.0-0 Nd4 10.Bd4 ed4 11.Bb5 Bd7 12.Bd7 Qd7 13.Nc4) 9...Nb4 10.0-0 Nd3 11.Qd3 Be7 12.Nc4 0-0 13.h3.

    7.Bg5 ed4 8.Bf6 Qf6 9.Nb5 Qe7 10.Ne2 Nc6 11.0-0 Bg4 12.f3 +=.

    7.c3 Be7

    8.d5 h6 -/+.

    8.Ne2 0-0 9.0-0 b6 10.f4 Bb7 11.Ng3 Nbd7 12.fe5 de5 13.Nc4 b5 14.Na5 Qc7 15.Nf5 Rfe8 16.Qf3 Bf8 17.Ba3 (17.Nb7 Qb7 18.Bg5 Qc6=) 17...Rab8 (17...ed4!? 18.Bf8 Kf8 (worse is 18...Nf8 19.Nb7 Qb7 20.Ng7 Kg7 21.Qf6 Kg8 22.cd4+/-) 19.Nb7 Qb7 20.cd4 Ne4=) 18.Bf8= Rf8 (18...Nf8? 19.Ng7! (worse is 19.Nb7 Rb7 20.Ng7 Kg7 21.Qf6 Kg8+/-) 19...Kg7 20.Qf6 Kg8 21.Qg5 Ng6 22.Bb5+/- (worse is 22.Nb7 Rb7 23.Rac1 ed4 24.cd4 Qd6+=)) 19.d5 g6 (19...Qc3 20.Rfc1 Qb4+=) 20.Ne7+/- Kg7 21.Nac6 (21.Nec6 Ra8+/-) 21...Rbe8 (21...Ra8!?=) 22.Ra7+/- Re7 23.Ne7 Qb8 (23...Qc5 24.Qf2 Qc3 25.Rb7 (25.Bb5 Ne4 26.Qe2 Qc5 27.Kh1 Qa7 28.Qe4 f5+=) 25...Qd3 26.Qf3 Qd4 27.Kh1+-) 24.Rfa1 (24.Qf2 Ng4 25.Qa2 Nc5+-) 24...Nc5 25.Nc6 (better is 25.Bb5 Nce4 26.Bd3+-) 25...Bc6+= 26.dc6 Qb6 27.Kh1 Nd3 28.Qd3 Ng4 29.Qe2 Nf2= 30.Kg1 Ne4 31.Kf1 Qc6 32.R1a6 Qd5 33.Rb6 Nc3-+ 34.Qe3 Qd1 35.Kf2 Qc2 36.Kg3 Ne4 37.Kh3 Nf2 38.Kh4? g5 39.Qg5+- Qg6 40.Rg6 hg6 41.Qe5 (41.Qe5 Kh7 42.Qc5+-) 1–0. Zajarnyi,Anatolyi (2395) – Rouillon,Ludovic (2130), Lviv, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5 7.c3 Be7)

    8.Nf3 0-0 +=.

    8.Nf3 Nbd7 9.0-0 0-0 10.Nc4 Qc7 11.Ba3 Ne4 (better is 11...a6!?=) 12.de5+/- Ne5 (12...Ndc5 13.Be4 Ne4 14.ed6 Qc4 15.de7+/-) 13.Nce5 (13.Nfe5 Nc5 14.Nf3 Be6+-) 13...Nc3 (13...Nf2 14.Rf2 (14.Kf2?! de5 15.Be7 Qe7+=) 14...de5 15.Be7 Qe7 16.Qb3+/-) 14.Qc2 de5 15.Be7 e4?? (better is 15...Qe7 16.Qc3 f6+/-) 16.Bf8+- Kf8 (16...ef3 17.Rfc1 Ne2 18.Be2 Qc2 19.Rc2 fe2+-) 17.Be4 (17.Be4 Bd7 18.Rfe1+-) 1–0. Kalisch,Tom – Urban,Szilveszter (2095), Melbourne Rating, 2001. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 Nf6 6.Bd3 e5 7.c3 Be7)

    8.f4? ed4 9.Bb5 Bd7 10.Qd4 Bb5 11.Nb5 -+.

    8.f4? Nbd7 9.Nf3 ef4 (9...d5!? 10.fe5 Ne4+=) 10.Bf4= Nb6 11.0-0 0-0 12.Bc2 (12.Nb5 Nh5 13.Be3 a6=) 12...Bg4 (12...d5 13.e5 Ne4 14.c4 Ba3 15.cd5+=) 13.h3 Bh5 14.g4 (14.c4!?+=) 14...Bg6-/+ 15.Nd2 Rc8 (15...d5 16.e5 Ne4 17.Ne4 de4 18.Qe2-/+) 16.Qf3 d5 17.e5 Ne8 18.Bg6 hg6 (18...fg6 19.Qd3-/+) 19.Qd3 Nc7 20.c4 Ba3 21.Ra3 dc4 22.Nc4 Nc4 23.Qc4 Ne6 24.Qd3 Nd4 (24...Nf4?! 25.Rf4 a5 26.Ra1+=) 25.Bg5 (25.Ra7!? Rc3 26.Qe4-+) 25...Qg5 26.Qd4 a6 27.Qd5 Qe7 28.Rb3 b5 29.Ra1 Rfd8 30.Qe4 Qc5 31.Kh1 (31.Kf1 Rd4 32.Qe3 Qd5-+) 31...Rd2 32.Rg3 Rcd8 33.Rf1 (33.Re3 Qc8-+) 33...Rd1 (33...Qd5 34.Qd5 R8d5 35.Rgf3-+) 34.Rgf3 Qc1 35.Qc2?? (35.Kg1 Rf1 36.Rf1 Qc5 37.Kg2-+) 35...R8d2 (35...Qc2 36.Rg3 Rf1 37.Rg1 Rg1 38.Kg1 Rd1) 36.Rd1 (better is 36.Qc1 Rc1 37.Rc1+-) 36...Rd1-+ 37.Kh2 Rd2 (37...Rd2 38.Qd2 Qd2 39.Kg3 Qe1 40.Kh2 b4-+; 37...Qc2 38.Kg3 Rg1 39.Kf4 Qd2 40.Re3 Re1 41.Ke4 Re3 42.Kf4 Rd3 43.Ke4 Qe3) 0–1. Kavuza,Vitaly – Pavlov,Sergey1, UKR–ch sf U14, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    8.f4? ef4 9.Bf4 0-0 (9...a6 10.Ne2-/+) 10.Nf3 (10.Ne2 a5-/+) 10...d5 11.e5 Ne8 12.0-0 Be6 (better is 12...Nc7!?+=) 13.Qb1+= h6 14.Qb7 Nd7 15.Nb5 (15.Nc2 Rc8 16.Bd2 a5+=) 15...a5 16.Na7 ½–½. Romashov,Anton – Buts,Bogdan, UKR–ch sf U16, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5 7.c3 Be7)

    7.Nf3 Be7

    8.0-0 0-0 9.Nc4 (9.de5 de5 10.Nc4 Nc6 11.Bb2 Be6 12.Nce5 Qb6 13.Nc6) 9...ed4 10.Nd4 Nbd7 11.Bb2 Nc5 12.Re1 Re8 13.Bc3.

    8.0-0 Nc6 9.Nb5 0-0 10.d5 Nb4 11.Na7 Bd7 12.Bd2 Nd3 13.cd3.

    8.0-0 Nc6 9.d5 Nb4 10.Bb5 Bd7 11.Qe2 0-0 12.Bc4 Na6 (12...a5 13.Bb5-/+) 13.Ne1 (better is 13.Ba6!? ba6 14.Qd3=) 13...Nc5-/+ 14.f3 a6 15.Qf2 b5 16.Be2 Nh5 17.Nd3 Nd3 18.cd3 f5 19.Nc2 Bg5 20.Be3 (better is 20.Nb4!?-+) 20...Bh4 21.g3 f4 22.gh4 fe3 23.Ne3 Nf4 24.Kh1 Qb6 (worse is 24...Ne2 25.Qe2 Qh4 26.d4-+) 25.Bd1 (25.Nc2 Qc5 26.Ra2 Qf2 27.Rf2 a5-+) 25...Qd4 26.Bc2 (26.Ra3 b4 27.Ra5 Nd3-+) 26...Bh3 (26...Nd3?! 27.Bd3 Qd3 28.Rad1-+) 27.Rg1 (27.Qd2 Bf1 28.Rf1 Rac8-+) 27...Bg2!! 28.Rg2 Ng2 29.Kg2 Qa1 30.Nf5 Rf5! 31.ef5 Qd4 32.Qg3 Qf4 0–1. Dorn,Max – Simagin,Vladimir, AUT–URS m Vienna, 1953. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 e5)

    8.0-0 Nc6 9.de5 de5 10.Nc4 0-0 11.Bb2 Bg4 12.Nce5 Ne5 13.Be5.

    8.0-0 ed4 9.Nd4 (9.Nb5 Nc6 10.Nbd4 Nd4 11.Nd4 0-0 12.Bd2 Be6 13.Qe2) 9...0-0 10.Be3 Nc6 11.Nc6 bc6 12.Nc4 d5 13.ed5.

    8.Bb2 A) 8...Nc6 9.de5 (9.0-0 ed4 10.Nb5 0-0 11.Nbd4 Qb6 12.Nc6 Qc6 13.e5) 9...Ne5 10.Ne5 de5 11.Nc4 Bb4 12.Kf1 0-0 13.Ne5; B) 8...ed4 9.0-0 (9.Nd4 Nc6 10.0-0 0-0 11.Nc4 Nd4 12.Bd4 Be6 13.Ne3) 9...Nc6 10.Nb5 0-0 11.Nbd4 Bd7 12.Nf5 Bf5 13.ef5; C) 8...0-0 9.de5 (9.0-0 d5 10.de5 Ne4 11.Qe2 Nc6 12.Be4 de4 13.Qe4) 9...de5 10.0-0 Bg4 11.Nc4 Nc6 12.Nce5 Ne5 13.Be5.

    8.Nb5 A) 8...Nc6 9.Bd2 (9.0-0 0-0 10.Bd2 ed4 11.Nbd4 Ne5 12.Nf5 Bf5 13.ef5) 9...ed4 10.Nbd4 Ne5 11.0-0 0-0 12.Qe2 a5 13.Bb5; B) 8...ed4 9.Nbd4 (9.0-0 0-0 10.Nfd4 Nc6 11.Nc6 bc6 12.Nd4 c5 13.Nc6) 9...Nbd7 10.Bf4 Nc5 11.0-0 0-0 12.Re1 a5 13.c4; C) 8...0-0 9.0-0 (9.Na7 Bg4 10.0-0 Nc6 11.Nc6 bc6 12.Ra8 Qa8 13.de5) 9...ed4 10.Nfd4 Nc6 11.Nc6 bc6 12.Nd4 Qc7 13.Bd2.

    8.de5 de5 9.Nc4 (9.0-0 0-0 10.Nc4 Nc6 11.Bb2 Bg4 12.Nce5 Ne5 13.Be5) 9...0-0 10.0-0 Nc6 11.Bb2 Bg4 12.Nce5 Ne5 13.Be5.

    6.Bd3 g6

    7.Nb5 a6= 8.c4 Nc6 9.Ne2 Bg4 10.f3 Bd7 11.Nbc3 Bg7 12.Qb3 +=.

    7.Nb5 Na6 8.Bg5 Bg4 9.Ne2 h6 10.Bf6 ef6 11.h3 Bd7 12.0-0 =.

    7.c3 Bg7 8.Ne2 0-0 9.Ng3 Bd7 10.h4 Qc7 11.Bd2 h5 12.Rc1 a6 13.Bg5 Nc6 14.Bf6 Bf6 15.f4 Bg4 16.Qc2 Rac8 17.e5? (17.Ra1 b5 18.e5 de5 19.fe5 Be5 20.de5 Nb4-+ (20...Ne5?! 21.Ne2-+)) 17...de5 (17...Nd4 18.Qb2 de5 19.Ne4-+) 18.fe5?? (18.de5 Bg7 19.Ne4 Rfd8-+) 18...Bg7 (better is 18...Nd4 19.Qf2 Qe5 20.Ne4 Nb3-+) 19.0-0 e6 (better is 19...Ne5 20.Be4 Bh6 21.de5 Bc1 22.Rc1 Qc5 23.Kh1 Qa3 24.Bg6 b5 25.Bh5 Bh5 26.Nh5 Rc5-+) 20.Ne4+= Qe7 21.Nf6?? (21.Qb2 Bf5 22.Nc4 Qh4+=) 21...Kh8 (better is 21...Bf6 22.ef6 Qa3-+) 22.Nc4= (22.Ng4 Qa3 23.Ra1 Qe7-+) 22...Nd4 23.cd4 b5 24.Qd2 bc4 25.Bc4 Rfd8 26.Qf4 Bf5 27.Ba6 Rc1 28.Rc1 ½–½. Krustev,G (2005) – Petrov,Martin (1855), MGU–12 Open, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 Nf6 6.Bd3 g6)

    7.c4 Nc6 8.Nf3 Bg7 9.0-0 0-0 10.h3 Nb4 11.Re1 a5 12.Nb5 +=.

    7.f4 d5 8.ed5 Nd5 9.Nb5 +=.

    7.f4 Bg4 8.Nf3 d5 (8...Bg7 9.h3 Bd7 10.e5+=) 9.e5 Ne4 10.0-0 Nc6 11.Be3 e6 (11...Qd7 12.Qb1+=) 12.Qb1 (12.c4 Bb4+=) 12...Bb4 13.Be4 de4 14.Ng5 0-0 (14...Bf5 15.Nb5 0-0 16.c3+=) 15.Ne4+= Be7 16.Nf2 (16.Qb7 Nd4 17.Rf2 Rb8+=) 16...Be2= 17.Re1 Ba6 18.c3 Na5 (18...Qd5 19.Ne4=) 19.Ne4+= Nc4 (19...Qd5 20.Nb5 Qb5 21.Qb5 Bb5 22.Ra5=) 20.Nc4+/- Bc4 21.Qb7 Rb8 (better is 21...Bd5!? 22.Qb1 Qc7+/-) 22.Qa7+- Bd5 23.Nc5 Rb2 24.Bf2 Bc5 (24...Rc2 25.Rec1 Rc1 26.Rc1 Bc5 27.dc5+-) 25.dc5 (25.Qc5!? Rc2+-) 25...Rf2+/- 26.Kf2 Qh4 27.Kg1 Qg4 28.Ra2! Ba2 29.Qa2 Qf4 30.Qf2 Qa4 31.Qd4 Qc6 32.Qd6 Rc8= 33.Qc6 Rc6 34.Re3 Rc5 35.Kf2 Kg7 36.Ke2 f6 37.ef6 Kf6 38.Kd3 e5 39.Re4 Rd5 40.Ke3 h5 41.Rc4 Kf5 42.Rc8 Rb5 43.Rf8 Ke6 44.Re8 Kf5 45.Rf8 Ke6 46.Rd8 Ra5 47.Re8 ½–½. Gietl,Thomas (2340) – Teslia,Vladimir, Bechhofen opJ, 1998. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 Nf6 6.Bd3 g6)

    7.h3 Bg7 8.Nf3 0-0 9.c4 e5 10.Nb5 ed4 11.Na7 (11.Ra7?? Ra7 12.Na7 Qa5 13.Qd2 Qa7-+) 11...Bd7 (11...Qe8!? 12.Bf4 Ne4=+) 12.0-0= (worse 12.Nd4 Qb6 13.Nc8 Rc8 14.Ra8 Qd4-+) 12...Re8 13.Re1 Na6 14.Nb5 Bb5 15.cb5 Nc5 e4 seems the pivot of the position 16.Ra8 Qa8 17.Bb2 Nfe4 (worse 17...Nd3 18.Qd3 b6 19.Bd4 Re4 20.Rc1=) 18.Be4 Re4 19.Re4 Ne4 20.Bd4 Qa2 21.Kh2 (21.b6!?-/+) 21...Qd5-+ (21...Nf2?! 22.Bf2 Qf2 23.Qd6-/+) 22.Kg1?? (better 22.Qa4 Bd4 23.Qd4 Qd4 24.Nd4 Nf2 25.Kg3 Ne4 26.Kf3-+) 22…Nc3 (22...Nc3 23.Qd2 Bd4 24.Nd4 Qd4 25.Qd4 Ne2 26.Kf1 Nd4-+; 22...Qb5?! 23.Bg7 Kg7 24.Qd4 Nf6 25.Qd6-/+) 0-1. Shirazi,K (2355) - Grandelius,N (2650), Euro Online +2300 Day, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3)

    7.Ne2 Bg7

    8.0-0 Nc6 9.c3 0-0 10.f4 d5 11.e5 Ne4 (11...Ne8 12.Ng3+=) 12.Be4= de4 13.d5 (13.Ng3 f5=) 13...Na5 14.c4 Qc7 15.Be3 b6 16.c5 (16.Qc2 Ba6+=) 16...bc5-/+ 17.Nb5 Qb6 18.Qa4 (18.Rb1+=) 18...Nb7 (better is 18...Bd7 19.Nec3 Nb7-/+) 19.Na7+= Qb2 20.Ra2 Qb4 21.Qb4 (21.Qc2 Qb6 22.Nc6 Ra2 23.Ne7 Kh8 24.Qa2 f6 25.Nc8 Rc8+-) 21...cb4+= 22.Rb1 f6 23.e6 Nd6 24.Rb4 ½–½. Hamann,Carsten – Schneider,Volker, GER Army–ch Montabaur, 1994. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

    8.Nb5 Nc6 9.0-0 0-0 10.c4 a6 11.Bg5 b6 12.Qb1 +=.

    8.c3 0-0 9.0-0 b6 10.f4 Bb7 11.e5 Ne4 12.Qc2 f5 13.ef6 Nf6 14.f5 gf5 15.Bf5 Bc8 16.Nf4 Kh8 17.Ne6 Be6 18.Be6 Nbd7 19.Rf3 Qc7 20.Rh3 Rfd8 (20...Qb7 21.Bg5 Ne4 22.Be7+=) 21.Bg5 (21.Bd5 Nf8 22.Ba8 Ra8+/-) 21...Nf8 22.Rf1 (22.Bf6!? Bf6 23.Qe4+/-) 22...d5 (22...Ne6 23.Bf6 Ng5 24.Bg5 Bd4 25.Kh1 e6 26.Bd8 Rd8+-) 23.Bf5+= Kg8 (23...Qd6 24.Nb5 Qc6 25.Bh7 a6 26.Bf6 Bf6+-) 24.Bf6+/- Bf6 25.Bh7 Kf7 26.Bg6! Kg7 (26...Ng6 27.Rh7) 27.Nb5 Qb8 (27...Qb7+-) 28.Bh5 a6 29.Qf5 Qc8 30.Qf3 (better is 30.Qd3 Qh3 31.Qh3 (31.gh3?! ab5 32.Qb5 Rd6+-) 31...ab5 32.Qg4 Kh8 33.Bf7+-) 30...ab5?? (30...Nh7 31.Qd3 Rg8+-) 31.Qg3 Kh8 (31...Ng6 32.Qg6 Kh8 33.Bg4 Bh4 34.Rh4) 32.Bf7 Qh3 (32...Nh7 33.Rh7! Kh7 34.Qg6 Kh8 35.Qh6) 33.Qg8 (33.gh3?! Nh7 34.Rf4 b4 35.cb4 Ng5+/-) 1–0. Zajarnyi,Anatolyi (2260) – Zhornik,Nikolay (2375), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 Nf6 6.Bd3 g6 7.Ne2 Bg7)

    8.c3 0-0 9.h4 e5 10.Bg5 Re8 11.Qd2 d5 12.f3 ed4 13.cd4 de4 14.fe4 h6 15.Bh6 Ne4 16.Be4 Re4 17.Bg7 Kg7 18.Nb5 Bg4 (18...Rh4!? 19.Rf1-+) 19.Nbc3-/+ Re8 20.Qf4 Be2 21.Ne2 Nc6 22.Rf1? (22.Rd1 Qe7 23.Qf3 Rad8-+) 22...Qe7 (better is 22...Nd4!? 23.Ra2 Qd5-+) 23.Rf2-/+ Nb4 24.Kd2 (24.Rd1 Nd5 25.Qg5 Qg5 26.hg5 Nc3-+) 24...Rac8 (better is 24...Nd5 25.Qe5 Qe5 26.de5 Re5 27.Nd4-+) 25.Nc3? (better is 25.Qf3-+) 25...Rc3! 26.Qf7 Qf7 27.Rf7 Kf7 28.Kc3 Nd5 29.Kc4 Nb6 30.Kb5 Nc8 31.d5 Rd8 32.Kc5 b6 33.Kd4 Ne7 34.Ra7 Rd5 35.Ke4 Rb5 36.g4 Ke6 37.Ra8 Rb4 38.Kf3 Kf7 39.Ra7 Kf6 40.g5 Ke6 41.Rb7 Nf5 42.Rg7 Nh4 43.Kg3 Kf5 0–1. Peter,Herbert (1875) – Kondrak,Christof (2035), Regionalliga SO, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Ne2 Bg7)

    8.0-0 0-0

    9.c3 a6 A) 10.Re1 A1) 10...Nc6 11.Nc2 (11.Bg5 Bg4 12.f3 Bd7 13.Qb3 b5 14.c4 b4 15.Nc2 a5 16.Ra4-/+; 11.Qb3 b5 12.c4 b4 13.Nc2 a5 14.Bb2 Qe8 15.Ra4 Nd7 16.Ra2-/+; 11.Bd2 Bg4 12.h3 Bd7 13.Qb3 Qc7 14.c4 b6 15.Be3 Rfb8 16.Reb1+=) 11...Bd7 12.Bg5 b5 13.Nb4 Nb4 14.cb4 a5 15.ba5 Ra5 16.Qb3+=; A2) 10...b5 11.c4 (11.f3 Bb7 12.c4 b4 13.Qb3 Nc6 14.Nc2 a5 15.Ra4 Nd7 16.Be3-/+; 11.Be3 Bb7 12.Ng3 Qc7 13.c4 b4 14.Nc2 a5 15.Qf3 Nbd7 16.Rab1-/+; 11.Ng3 Bb7 12.Qf3 Qc7 13.Bb2 Nc6 14.c4 b4 15.Nc2 Nd7 16.Be2-/+) 11...b4 12.Nc2 Nc6 13.Bb2 a5 14.d5 Na7 15.Qb1 Nd7 16.Bg7+=; A3) 10...Nbd7 11.Ng3 (11.c4 b6 12.Be3 e5 13.Ng3 ed4 14.Bd4 Re8 15.Nc2 Nc5 16.Ne3+=; 11.Bd2 b5 12.Qb1 Rb8 13.Nc2 Bb7 14.Ne3 Qc7 15.Ng3 Rfc8 16.Qd1+=; 11.Nb5 d5 12.e5 Ng4 13.Qb3 Nge5 14.de5 Nc5 15.Qd1 Nd3 16.Qd3+=) 11...Qc7 12.c4 Nb6 13.Qb3 Nfd7 14.e5 e6 15.ed6 Qd6 16.Nc2+=; A4) 10...b6 11.Bg5 (11.Qb3 Bb7 12.Nc4 Nbd7 13.Ng3 Qc7 14.Be3 d5 15.Nd2 de4 16.Nde4-/+; 11.Nf4 e5 12.Ne2 Re8 13.Qb3 d5 14.Bg5 ed4 15.Nd4 Nbd7 16.Qc2-/+; 11.Nc2 Qc7 12.c4 Nc6 13.Bg5 h6 14.Be3 e5 15.Nc3 Ng4 16.Nd5+=) 11...Nc6 12.Qd2 b5 13.Nc2 Na5 14.Qe3 Qc7 15.Nf4 Bb7 16.e5+=; B) 10.Qb3 B1) 10...Nbd7 11.f4 (11.c4 e5 12.Re1 ed4 13.Bg5 Nc5 14.Qb1 h6 15.Bh4 Re8 16.f3-/+; 11.Bg5 b5 12.Ng3 Bb7 13.Rfb1 h6 14.Be3 Ng4 15.c4 Ne3 16.fe3+=; 11.Ng3 b5 12.Bf4 Bb7 13.c4 Qb6 14.Rfb1 Ng4 15.Be2 Nf2 16.Kf2+=) 11...b5 12.e5 Ne8 13.Be4 Rb8 14.Nc2 a5 15.Qa3 de5 16.fe5=; B2) 10...Nc6 11.c4 (11.Bg5 b5 12.c4 b4 13.Nc2 Bg4 14.Nb4 Qb6 15.Rfb1 Rfb8 16.e5-/+; 11.Be3 b5 12.c4 Na5 13.Qa2 bc4 14.Nc4 Nc4 15.Bc4 Bb7 16.f3-/+; 11.Re1 b5 12.c4 b4 13.Nc2 a5 14.Bb2 Rb8 15.Ne3 Ng4 16.Nc2+=) 11...b6 12.Rb1 Rb8 13.Nc2 Qc7 14.Be3 Ng4 15.Bd2 Rd8 16.Rfc1+=; B3) 10...e5 11.Be3 (11.Bg5 h6 12.Be3 Ng4 13.Bd2 Qh4 14.h3 Nf6 15.f3 Rd8 16.Nc4=; 11.Nc2 Nbd7 12.Ng3 b5 13.f4 Bb7 14.fe5 de5 15.Ba3 Re8 16.Rad1+=; 11.Rd1 Nc6 12.d5 Ne7 13.Be3 b5 14.h3 Ne8 15.c4 bc4 16.Nc4+=) 11...Ng4 12.Bd2 Nc6 13.h3 Nf6 14.d5 Na5 15.Qb4 Qc7 16.Nc2=; B4) 10...b6 11.Bg5 (11.Be3 Nbd7 12.Rfb1 Qc7 13.Ng3 Bb7 14.Nc4 Rfb8 15.Ra3 d5 16.Nb6-/+; 11.Re1 Nbd7 12.Ng3 Bb7 13.Nc2 Qc7 14.c4 Rfc8 15.Bb2 e5 16.Reb1+=; 11.c4 Bb7 12.Nc3 e5 13.de5 de5 14.Be3 Nbd7 15.Nd5 Bd5 16.cd5+=) 11...Bb7 12.f3 Nbd7 13.Nc4 Bc8 14.Rfb1 b5 15.Nd2 Rb8 16.Be3+=; C) 10.Be3 C1) 10...Nc6 11.f3 (11.Nc2 d5 12.e5 Ng4 13.Nf4 Ne3 14.Ne3 e6 15.Ng4 f6 16.ef6+=; 11.h3 d5 12.e5 Ne8 13.c4 Nb4 14.Bb1 f6 15.Qb3 a5 16.ef6+=; 11.Qb3 b5 12.c4 Na5 13.Qa2 bc4 14.Nc4 Nc4 15.Bc4 Bb7 16.f3-/+) 11...Bd7 12.Nc2 b5 13.Nb4 a5 14.Nc6 Bc6 15.d5 Bd7 16.Nd4+=; C2) 10...b6 11.Qb3 (11.c4 Nc6 12.Nc2 Ng4 13.Bd2 Qc7 14.f3 Nf6 15.Qe1 Nd7 16.f4+=; 11.Qb1 Bb7 12.Nc4 b5 13.Na5 Bc8 14.c4 bc4 15.Nc4 Nbd7 16.Na5=; 11.f3 Nbd7 12.Nc2 Bb7 13.c4 Qc7 14.Qe1 e5 15.Qd2 Rfc8 16.Rfb1+=) 11...d5 12.e5 Ng4 13.Bf4 f6 14.ef6 Nf6 15.Nb5 Nc6 16.Nc7+=; C3) 10...d5 11.ed5 (11.e5 Ng4 12.Nf4 Nc6 13.Bc1 f6 14.e6 f5 15.Qf3 Nf6 16.Nb1+=; 11.f3 Nc6 12.e5 Ne8 13.c4 dc4 14.Nc4 Be6 15.Qb1 b5 16.Nd2+=; 11.Ng3 Nc6 12.Re1 e5 13.Nc2 de4 14.Ne4 Nd5 15.Ra3 Ne3 16.fe3-/+) 11...Nd5 12.Qb3 Nc6 13.Be4 Nf6 14.Bf3 e5 15.Bc6 bc6 16.de5+=; C4) 10...b5 11.d5 (11.f3 Bb7 12.c4 b4 13.Qb3 Nc6 14.Nf4 Nd7 15.Ne2 a5 16.Nc2-/+; 11.Ng3 Bb7 12.c4 b4 13.Qb3 Nc6 14.f3 Qc7 15.Nc2 a5 16.Ra4+=; 11.Nf4 e5 12.Ne2 ed4 13.Nd4 d5 14.Bg5 de4 15.Be4 Ra7 16.Re1+=) 11...Bb7 12.Rb1 Ng4 13.Bd4 Qa5 14.Nc2 Qc7 15.f3 Ne5 16.f4+=; D) 10.Bg5 D1) 10...d5 11.e5 (11.Ng3 Nc6 12.Qf3 Bg4 13.Qf4 Be6 14.f3 de4 15.Bf6 Bf6 16.Be4-/+; 11.Bf6 Bf6 12.Qb3 de4 13.Be4 Ra7 14.Rfe1 Qc7 15.Nb5 Qb6 16.Qa4+=; 11.f3 Nc6 12.Nf4 de4 13.fe4 Nd4 14.cd4 Qd4 15.Kh1 Ne4 16.Be4+=) 11...Ng4 12.h3 f6 13.Bh4 Nh6 14.ef6 ef6 15.Qb3 Rf7 16.Bg3+=; D2) 10...Nc6 11.Nc2 (11.Re1 Bg4 12.f3 Bd7 13.Nc2 b5 14.Nb4 Nb4 15.cb4 a5 16.ba5+=; 11.Qb3 b5 12.c4 b4 13.Nc2 Bg4 14.Nb4 Qb6 15.Rfb1 Rfb8 16.e5-/+; 11.Nf4 Bg4 12.f3 Bd7 13.Qd2 b5 14.Nd5 Nd5 15.ed5 Na5 16.Rfb1+=) 11...d5 12.Ng3 e5 13.Re1 h6 14.ed5 Qd5 15.Bf6 Bf6 16.Be4=; D3) 10...Nbd7 11.f3 (11.c4 b6 12.Nb5 Bb7 13.Nbc3 h6 14.Be3 Ng4 15.Bc1 e5 16.d5+=; 11.Ng3 b6 12.Qf3 Qc7 13.c4 Bb7 14.Rfb1 h6 15.Be3 e5 16.d5+=; 11.Qc2 b6 12.c4 Bb7 13.Rfb1 Qc7 14.Be3 e5 15.f3 ed4 16.Bd4+=) 11...b6 12.Nc2 Qc7 13.Nb4 a5 14.c4 e6 15.Nc2 Bb7 16.Nc3=; D4) 10...b6 11.Ng3 (11.Nf4 Bb7 12.Re1 b5 13.Qf3 Qc7 14.Ne2 Nbd7 15.Nc2 h6 16.Bf6-/+; 11.Re1 Nbd7 12.Ng3 Qc7 13.Nb5 Qc6 14.d5 Qb7 15.Nd4 Ne5 16.f4+=; 11.Qb3 Bb7 12.f3 Nbd7 13.Rfb1 Qc7 14.Qc4 Bc6 15.Qb3 h6 16.Be3+=) 11...Nc6 12.Re1 Bg4 13.Qd2 b5 14.Nc2 Na5 15.Ra3 Be6 16.Nb4+=.

    9.c3 b6 A) 10.Qb3 A1) 10...Be6 11.Qb1 (11.Qb2 a6 12.Nf4 Bc8 13.e5 de5 14.de5 Ng4 15.Be4 Ra7 16.Nb5-/+; 11.c4 Nc6 12.Nc2 Bg4 13.Re1 e5 14.Bb2 Qc7 15.f3 Bc8 16.Red1+=; 11.Qc2 a6 12.Re1 Nbd7 13.Nf4 b5 14.Qb2 Qc7 15.Ne6 fe6 16.Qb3+=) 11...a6 12.Be3 Ng4 13.Bf4 h6 14.Re1 Bd7 15.h3 Nf6 16.Be3=; A2) 10...Bb7 11.Qc2 (11.f3 Nbd7 12.Be3 a6 13.Ng3 Qc7 14.Nc2 b5 15.c4 bc4 16.Bc4+=; 11.Qb1 Nc6 12.Re1 a6 13.Nc2 Qc7 14.c4 Rfc8 15.Be3 Na5 16.Na3+=; 11.Ng3 Nc6 12.Nc2 Qc7 13.Bd2 Na5 14.Qa2 Rfc8 15.Ne3 Nc6 16.Qb2+=) 11...Nc6 12.f4 Rc8 13.Qb2 d5 14.e5 Ne4 15.f5 gf5 16.Rf5+=; A3) 10...Nbd7 11.Be3 (11.Re1 Bb7 12.Ng3 a6 13.Nc2 Qc7 14.c4 Rfc8 15.Bb2 e5 16.Reb1+=; 11.Ng3 Bb7 12.Re1 a6 13.Nc2 Qc7 14.c4 Rfc8 15.Bb2 e5 16.Reb1+=; 11.Nc4 a6 12.Ne3 Bb7 13.Ng3 b5 14.f4 Qc7 15.e5 Ne8 16.Bd2+=) 11...Bb7 12.Ng3 d5 13.e5 Ng4 14.Bf4 a6 15.Qd1 Nge5 16.de5+=; A4) 10...a6 11.Re1 (11.Bg5 Bb7 12.f3 Nbd7 13.Rfb1 Qc7 14.Qc4 Bc6 15.Qb3 h6 16.Be3+=; 11.Be3 d5 12.f3 Nc6 13.Nf4 de4 14.Be4 Ne4 15.fe4 b5 16.Nd3+=; 11.c4 Bb7 12.f3 Qc7 13.Be3 Nbd7 14.Nc2 e6 15.Nf4 Rfc8 16.Ra2+=) 11...Nc6 12.Bg5 Be6 13.Qc2 Bd7 14.Qb3 Qc7 15.Nc2 Na5 16.Qa3+=; B) 10.Nf4 B1) 10...a6 11.e5 (11.Re1 e5 12.Ne2 Re8 13.Qb3 d5 14.Bg5 ed4 15.Nd4 Nbd7 16.Qc2-/+; 11.Qb3 Bb7 12.f3 b5 13.Be3 d5 14.e5 Ne8 15.Rab1 Nc7 16.c4-/+; 11.Qc2 Nbd7 12.Rd1 e5 13.Ne2 Re8 14.Nb5 Bf8 15.c4 ed4 16.Ned4+=) 11...de5 12.de5 Ng4 13.e6 Be6 14.Qf3 Bc3 15.Rb1 Ne5 16.Qa8+=; B2) 10...Nc6 11.Nc4 (11.Nd5 Nd5 12.ed5 Na5 13.Bg5 h6 14.Bh4 Re8 15.Qf3 a6 16.Rfe1+=; 11.Re1 e5 12.Qa4 Bd7 13.de5 Ne5 14.Bb5 a6 15.Bd7 Qd7 16.Qd4-/+; 11.Qa4 Bd7 12.Bb5 Qc7 13.Nd5 Nd5 14.ed5 Nb8 15.Bd7 Qd7 16.Nb5+=) 11...e5 12.Nd5 Nd5 13.ed5 Ne7 14.de5 de5 15.d6 Nf5 16.Be4+=; B3) 10...Bb7 11.Qe1 (11.f3 Nbd7 12.c4 a6 13.Nc2 e5 14.Nh3 ed4 15.Bb2 Ne5 16.Bd4+=; 11.Qf3 e5 12.de5 de5 13.Ne2 Nfd7 14.Be3 f5 15.Bc4 Kh8 16.Bd5+=; 11.d5 Nbd7 12.Be3 Nc5 13.Qc2 Nd3 14.Qd3 e6 15.Rfe1 Re8 16.Bd2-/+) 11...a6 12.f3 Qc7 13.Ne2 Nc6 14.c4 Rfc8 15.Be3 e6 16.Nc2+=; B4) 10...e5 11.Ne2 d5 12.Bg5 h6 13.de5 hg5 14.ef6 Bf6 15.Nd4 Bb7 16.Re1+=; C) 10.Re1 C1) 10...Nc6 11.Nc4 (11.Qb3 a6 12.c4 e5 13.d5 Na5 14.Qb1 Nb7 15.Bg5 Nc5 16.Nb5-/+; 11.Nc2 a6 12.Ne3 Bb7 13.Ng3 b5 14.Qf3 Qc7 15.Bb2 Rfc8 16.Ra3+=; 11.Qa4 Bb7 12.Nc2 Qc7 13.Ne3 a6 14.Nd5 Nd5 15.ed5 Na5 16.Qa2+=) 11...a6 12.Ne3 Ra7 13.Qb3 b5 14.Nd5 e6 15.Nf6 Qf6 16.Be3+=; C2) 10...Bb7 11.Bg5 (11.f3 Nc6 12.Qb3 a6 13.Be3 b5 14.c4 b4 15.Nf4 Bh6 16.Nc2+=; 11.Qc2 a6 12.Bf4 Nc6 13.Reb1 e5 14.Bg5 h6 15.Bf6 Bf6 16.d5+=; 11.Ng3 Nc6 12.Qf3 a6 13.Be3 Qc7 14.Reb1 b5 15.c4 Nd7 16.cb5+=) 11...Ne4 12.Be4 Be4 13.Ng3 d5 14.Qe2 Nc6 15.Ne4 de4 16.Qe4+=; C3) 10...Qd7 11.Nc4 (11.Ng3 Bb7 12.Qf3 Rc8 13.Bd2 Nc6 14.Bg5 h6 15.Bf6 Bf6 16.Nc2+=; 11.Qc2 Bb7 12.Nc4 Rc8 13.e5 Ne8 14.ed6 Nd6 15.Nd6 Qd6 16.Bf4+=; 11.Nf4 e5 12.Ne2 Bb7 13.d5 Na6 14.Ng3 Nc5 15.Bg5 Nd3 16.Qd3+=) 11...Qc7 12.Qb3 Bb7 13.e5 de5 14.Ne5 Nc6 15.Bf4 Ne5 16.Be5+=; C4) 10...a6 11.Bg5 (11.Qb3 Bb7 12.Nc4 Nbd7 13.Ng3 Qc7 14.Be3 d5 15.Nd2 de4 16.Nde4-/+; 11.Nc2 Qc7 12.c4 Nc6 13.Bg5 h6 14.Be3 e5 15.Nc3 Ng4 16.Nd5+=; 11.Ng3 Bd7 12.Qd2 Qc7 13.Nb5 Qb7 14.Na3 Rc8 15.c4 Nc6 16.Bb2+=) 11...Bb7 12.Ng3 Qc7 13.c4 e5 14.Qf3 Nbd7 15.d5 h6 16.Be3+=; D) 10.Bg5 D1) 10...a6 11.Ng3 (11.Nf4 Bb7 12.Re1 b5 13.Qf3 Qc7 14.Ne2 Nbd7 15.Nc2 h6 16.Bf6-/+; 11.Re1 Bb7 12.Ng3 Qc7 13.c4 Nc6 14.Nc2 Na5 15.Ra4 Rfc8 16.Qf3+=; 11.Qb3 Bb7 12.f3 Nbd7 13.Nc2 Qc7 14.Rfb1 Rfc8 15.c4 e5 16.Be3+=) 11...Nc6 12.Re1 Bg4 13.Qd2 b5 14.Nc2 Na5 15.Ra3 Be6 16.Nb4+=; D2) 10...h6 11.Bf4 (11.Be3 d5 12.f3 Nc6 13.Qd2 Na5 14.Rfb1 de4 15.fe4 Ng4 16.e5+=; 11.Bf6 Bf6 12.Qd2 Bg7 13.Rfb1 a6 14.Qb2 Nd7 15.Nf4 b5 16.c4+=; 11.Bh4 Nbd7 12.Re1 a6 13.Qd2 Bb7 14.Qe3 Qc7 15.Reb1 Rfc8 16.Rb4+=) 11...d5 12.e5 Nh5 13.Be3 Nc6 14.h3 f5 15.ef6 Nf6 16.Bg6=; D3) 10...Nc6 11.Nc4 (11.Nf4 Bg4 12.Qb3 e5 13.Nd5 Be6 14.Nb5 ed4 15.cd4 Bd5 16.ed5+=; 11.Qa4 Bd7 12.Qb3 a6 13.Rfb1 b5 14.c4 Ng4 15.Qb2 b4 16.Nc2+=; 11.Ng3 a6 12.Nc2 Qc7 13.Ne3 e6 14.Qf3 Nd7 15.Bf4 Bb7 16.Qe2+=) 11...h6 12.Bf6 Bf6 13.Qb3 Bd7 14.Nf4 e5 15.Ng6 fg6 16.Nb6=; D4) 10...Nbd7 11.Re1 (11.c4 a6 12.Re1 h6 13.Be3 e5 14.Ng3 ed4 15.Bd4 Re8 16.Nc2+=; 11.Ng3 a6 12.Qf3 Qc7 13.c4 Bb7 14.Rfb1 h6 15.Be3 e5 16.d5+=; 11.Qd2 a6 12.Qf4 Bb7 13.Qf3 d5 14.e5 Ne4 15.Be4 de4 16.Qh3+=) 11...h6 12.Bd2 a6 13.Ng3 Qc7 14.Qf3 Bb7 15.Reb1 e5 16.d5+=.

    9.c3 d5 A) 10.ed5 Nd5 11.Qb3 (11.Nb5 Nc6 12.Be4 Be6 13.Re1 a6 14.Na3 b5 15.Qd3 Qd7 16.Nf4-/+; 11.Be4 Nf6 12.Bf3 Nc6 13.Re1 Bg4 14.Nf4 Qd7 15.Bg4 Qg4 16.Qb3+=; 11.Nc4 b5 12.Ne3 Bb7 13.Qb3 a6 14.Re1 Qd7 15.Be4 Rd8 16.Ng3-/+) 11...Nc6 12.Nc2 Qd7 13.Rd1 Rd8 14.Ne3 e6 15.Nd5 Qd5 16.Bc4+=; B) 10.f3 B1) 10...Nc6 11.Nb5 (11.e5 Ne8 12.c4 Nb4 13.cd5 Nd3 14.Qd3 Qd5 15.Nf4 Qd8 16.Qc4-/+; 11.Bg5 e5 12.Bb5 Qb6 13.Rb1 ed4 14.cd4 h6 15.Bf6 Bf6 16.Nc2+=; 11.Bf4 de4 12.fe4 e5 13.de5 Ng4 14.Nc4 g5 15.Bg3 b5 16.Nd6-+) 11...e5 12.ed5 Nd5 13.Be4 Be6 14.c4 Nf4 15.d5 f5 16.Bf4+=; B2) 10...a5 11.Nb5 (11.Bf4 Bd7 12.Qb3 Bc6 13.Ng3 Na6 14.Nb5 de4 15.fe4 Nc5 16.Qb1+=; 11.Qa4 Nbd7 12.Qb5 b6 13.Qa4 de4 14.Be4 Ne4 15.fe4 Nf6 16.e5-/+; 11.Bg5 Nbd7 12.e5 Ne8 13.Qb3 Nc7 14.Nb5 Ne6 15.Bh4 Nb6 16.f4+=) 11...Nc6 12.Bf4 Qd7 13.Qa4 e5 14.de5 Nh5 15.Rfd1 de4 16.Be4=; B3) 10...b6 11.Bf4 (11.Nb5 Nc6 12.Bf4 Bb7 13.Qd2 Ne8 14.ed5 Qd5 15.Rfb1 Qd7 16.Qe3+=; 11.Bg5 Bb7 12.Nf4 Nbd7 13.e5 Ne8 14.e6 Ndf6 15.ef7 Rf7 16.Ne6+=; 11.Qb3 Nc6 12.Bg5 Na5 13.Qb2 Bb7 14.Nf4 h6 15.Bf6 Bf6 16.Nd5+=) 11...Bd7 12.e5 Ne8 13.c4 Be6 14.Qd2 Nc6 15.Rfc1 Qd7 16.c5=; B4) 10...a6 11.Qb3 (11.Bg5 Nc6 12.Nf4 de4 13.fe4 Nd4 14.cd4 Qd4 15.Kh1 Ne4 16.Be4+=; 11.Nc2 Nc6 12.Bf4 Re8 13.e5 Nd7 14.Ne3 f6 15.Nd5 fe5 16.de5+=; 11.Bf4 Nc6 12.Nb5 de4 13.fe4 Bg4 14.Na3 e5 15.Be5 Ne5 16.de5-/+) 11...Nc6 12.Bg5 Na5 13.Qa2 de4 14.fe4 Be6 15.Qb2 b5 16.Nf4+=; C) 10.Ng3 C1) 10...e5 11.de5 (11.Bg5 Nc6 12.f4 ed4 13.e5 dc3 14.Bf6 Bf6 15.ef6 Qf6 16.Nc2+=; 11.Nb5 de4 12.Ne4 ed4 13.Bg5 dc3 14.Bf6 Bf6 15.Nf6 Qf6 16.Nc7+=; 11.Be3 Nc6 12.Nc2 Re8 13.Re1 de4 14.Ne4 Nd5 15.Bc4 Ne3 16.fe3-/+) 11...Ne4 12.Ne4 de4 13.Be4 Be5 14.Nb5 Bh2 15.Kh2 Qh4 16.Kg1 Qe4+-; C2) 10...de4 11.Ne4 Ne4 12.Be4 e5 13.Be3 ed4 14.Bd4 Nc6 15.Bc6 bc6 16.Qa4+=; C3) 10...Ne4 11.Ne4 de4 12.Be4 e5 13.Be3 ed4 14.Bd4 Nc6 15.Bc6 bc6 16.Qa4+=; C4) 10...Nc6 11.Re1 (11.e5 Ne8 12.f4 e6 13.Nb5 a6 14.Na3 f6 15.Qg4 Qb6 16.Qe2-/+; 11.Bg5 e5 12.Nb5 de4 13.Be4 ed4 14.cd4 a6 15.d5 Bg4 16.Bf6-/+; 11.Nb5 a6 12.e5 Ne8 13.Re1 Bd7 14.Na3 Nc7 15.Nc2 f6 16.ef6+=) 11...e5 12.Bg5 de4 13.Ne4 ed4 14.Bb5 Bf5 15.Bc6 bc6 16.cd4+=; D) 10.e5 D1) 10...Nfd7 11.Nf4 (11.Be3 Nc6 12.Nf4 Nb6 13.Qf3 e6 14.Rfe1 f6 15.ef6 Qf6 16.Qg3-/+; 11.c4 a5 12.Bd2 dc4 13.Nc4 Nc6 14.Qc2 Nd4 15.Nd4 Ne5 16.Ne5=; 11.Re1 Nc6 12.Nf4 Nb6 13.Nc2 a5 14.Ne3 a4 15.Qf3 Ra5 16.Ba3=) 11...Nb6 12.Qf3 Nc6 13.Re1 Qd7 14.Nc2 Qg4 15.Qg4 Bg4 16.Ne3=; D2) 10...Nh5 11.f3 (11.h3 Bh8 12.Bh6 Re8 13.c4 Be6 14.c5 b6 15.cb6 ab6 16.Nb5=; 11.Nb5 Nc6 12.h3 a6 13.g4 Bh8 14.gh5 Bh3 15.Re1 ab5 16.Ra8=; 11.Rb1 b6 12.h3 Bh8 13.Bh6 Ng7 14.Nf4 Nc6 15.Nc2 e6 16.Qg4=) 11...Bh8 12.Bh6 Ng7 13.Nf4 Nc6 14.Nb5 Be6 15.Ne6 fe6 16.Na3=; D3) 10...Ne8 11.Nf4 (11.Nb5 a6 12.Nf4 Nc6 13.Re1 Rb8 14.Na3 Nc7 15.Nc2 b5 16.Nb4+=; 11.Rb1 f6 12.e6 Be6 13.Rb7 Bc8 14.Rb3 e5 15.c4 e4 16.Bc2+=; 11.Qb3 Nc6 12.Nc2 Nc7 13.Ne3 f6 14.ef6 Bf6 15.Nf4 e6 16.Ng4+=) 11...Nc7 12.Re1 Nc6 13.Qf3 f6 14.ef6 Rf6 15.Nb5 Nb5 16.Bb5=.

    9.c3 Nbd7 10.Qd2 A) 10...b6 11.c4 (11.Qf4 a6 12.Nc2 Bb7 13.Ne3 b5 14.Qf3 Qc7 15.Bd2 Rfc8 16.Rfc1+=; 11.Re1 a6 12.c4 Bb7 13.Qe3 e5 14.Bb2 ed4 15.Bd4 Nc5 16.f3+=; 11.Qe3 a6 12.Qf3 Bb7 13.Be3 b5 14.Rfb1 d5 15.e5 Ne4 16.Qh3+=) 11...a6 12.Ng3 Bb7 13.Nc2 Qc7 14.Bb2 Rfc8 15.Rfb1 Nf8 16.Qe2+=; B) 10...Nb6 11.Re1 (11.Qg5 d5 12.e5 Ne8 13.Re1 f6 14.ef6 Bf6 15.Qe3 Nd6 16.Nf4+=; 11.Rd1 Be6 12.c4 Qc8 13.Qb4 Bd7 14.Be3 Ng4 15.Bg5 f5 16.f3+=; 11.Ng3 Bg4 12.h3 Bd7 13.Nb5 a6 14.Na3 Qc7 15.c4 Rfc8 16.Rb1+=) 11...Re8 12.Qg5 d5 13.e5 Nfd7 14.Qg3 a5 15.Bf4 Nf8 16.Reb1=; C) 10...Re8 11.Ng3 (11.f4 a6 12.f5 gf5 13.Rf5 e5 14.Qg5 Nf8 15.Rf1 ed4 16.Nd4+=; 11.Qe3 a5 12.Qf3 Nb6 13.Bg5 d5 14.e5 Bg4 15.Qe3 Nfd7 16.f3=; 11.c4 e5 12.Nb5 ed4 13.Na7 Ne4 14.Be4 Re4 15.Nc6 bc6 16.Ra8+=) 11...e5 12.Nb5 Qb6 13.Qa2 a6 14.Be3 ed4 15.cd4 Rb8 16.Nc3=; D) 10...a6 11.Ng3 (11.Qe3 b6 12.Qf3 Bb7 13.Be3 b5 14.Rfb1 d5 15.e5 Ne4 16.Qh3+=; 11.c4 b6 12.Re1 Bb7 13.Qe3 e5 14.Bb2 ed4 15.Bd4 Nc5 16.f3-/+; 11.Qf4 b6 12.Qf3 Bb7 13.Be3 b5 14.Rfb1 d5 15.e5 Ne4 16.Qh3+=) 11...b6 12.Nc2 Qc7 13.Ne3 Bb7 14.c4 Rfb8 15.Bb2 e6 16.Rfb1+=.

    9.c3 Nbd7 10.Re1 A) 10...b6 11.Ng3 (11.Bd2 a6 12.Ng3 Bb7 13.Qf3 Qc7 14.Reb1 e5 15.d5 Rfc8 16.Be2+=; 11.c4 a6 12.Be3 e5 13.Ng3 ed4 14.Bd4 Re8 15.Nc2 Nc5 16.Nb4+=; 11.Qd2 a6 12.c4 Bb7 13.Qe3 e5 14.d5 Nc5 15.Bc2 Bc8 16.Nc3-/+) 11...a6 12.Qf3 Bb7 13.Be3 Rc8 14.Rec1 Qc7 15.Nb1 b5 16.c4+=; B) 10...a5 11.Qd2 (11.Nb5 Nb6 12.Ng3 Bg4 13.Qd2 a4 14.Ba3 Be6 15.Qe2 Bd7 16.Qb2+=; 11.Ng3 a4 12.Qf3 Nb6 13.h3 Bd7 14.Bf4 Qc7 15.c4 Qc6 16.Be3=; 11.Qc2 Nb6 12.Nb5 a4 13.c4 Be6 14.Nf4 Bd7 15.Ra3 Bb5 16.cb5+=) 11...Nb6 12.Qb2 d5 13.e5 Nfd7 14.Nf4 Qc7 15.Be3 a4 16.e6=; C) 10...Nb6 11.Qb3 (11.c4 Bd7 12.Qd2 Qc8 13.Qg5 Be6 14.Qb5 Qc7 15.Bd2 Bd7 16.Qg5=; 11.Qd2 Bd7 12.Qb2 h6 13.Nb5 a6 14.Na3 Qc7 15.Rb1 Nc8 16.Bf4+=; 11.Bf4 d5 12.f3 Bd7 13.Be5 Bh6 14.Nc2 Ba4 15.Bf6 ef6 16.Qb1+=) 11...Bg4 12.c4 a5 13.Rb1 Nfd7 14.Be3 Qc7 15.f3 Be6 16.Qb5=; D) 10...a6 11.Ng3 (11.c4 b6 12.Be3 e5 13.Ng3 ed4 14.Bd4 Re8 15.Nc2 Nc5 16.Nb4+=; 11.Bd2 b5 12.Qb1 Rb8 13.Nc2 Bb7 14.Ne3 Qc7 15.Ng3 Rfc8 16.Rc1+=; 11.Nb5 d5 12.e5 Ng4 13.Qb3 Nge5 14.de5 Nc5 15.Qd1 Nd3 16.Qd3+=) 11...Qc7 12.c4 b6 13.Be3 Bb7 14.Qf3 e5 15.d5 Rfc8 16.Be2+=.

    9.c3 Nbd7 10.Be3 A) 10...Nb6 11.f3 (11.Qd2 d5 12.Ng3 Ng4 13.Rfe1 de4 14.Ne4 e5 15.Bg5 f6 16.Bh4=; 11.Qb3 d5 12.f3 Be6 13.Nf4 Bd7 14.e5 Ba4 15.Qb2 Nfd7 16.c4=; 11.Re1 d5 12.e5 Ng4 13.Bf4 a5 14.Ng3 a4 15.h3 Nh6 16.Nh5=) 11...a5 12.Qb3 a4 13.Qb2 Nbd7 14.Rfb1 e5 15.d5 Nc5 16.Bc5=; B) 10...d5 11.e5 (11.f3 a5 12.e5 Ne8 13.Nf4 a4 14.Qb1 Nc7 15.Rc1 f6 16.e6+=; 11.ed5 Nd5 12.Nb5 a6 13.c4 Ne3 14.fe3 Nf6 15.Qb3 Bg4 16.Nbc3+=; 11.Ng3 e5 12.Re1 de4 13.Ne4 Ne4 14.Be4 Nf6 15.Bg5 ed4 16.cd4+=) 11...Ng4 12.Bf4 Nb6 13.Qc1 f6 14.ef6 Nf6 15.Nb5 Bg4 16.f3=; C) 10...b6 11.Re1 (11.c4 a6 12.Re1 e5 13.Nb5 ed4 14.Bd4 Nc5 15.Nbc3 Ng4 16.Bc2+=; 11.Qb3 a6 12.Rfb1 Qc7 13.Ng3 Bb7 14.Nc4 Rfb8 15.Ra3 d5 16.Nb6-/+; 11.Ng3 a6 12.Qf3 Bb7 13.Rfb1 Qc7 14.c4 e5 15.d5 Rfc8 16.Nc2+=) 11...d5 12.e5 Ng4 13.Bf4 Nb8 14.Qd2 f6 15.e6 f5 16.Nb5=; D) 10...a6 11.c4 (11.Ng3 b6 12.Qf3 Bb7 13.Rfb1 Qc7 14.c4 e5 15.d5 Rfc8 16.Nc2+=; 11.Qd2 b6 12.c4 Bb7 13.f3 Qc7 14.Nc2 Rfc8 15.Rfb1 e6 16.Qe1+=; 11.Bd2 b5 12.Ng3 Bb7 13.c4 Qb6 14.cb5 Qd4 15.Be3 Qe5 16.f4-/+) 11...b6 12.Nb5 Rb8 13.Nbc3 b5 14.cb5 ab5 15.Nb5 Ne4 16.Be4+=.

    9.c3 Nbd7 10.f4 Nb6 (10...d5 11.e5 (11.ed5 Nd5 12.Qb3 N7b6 13.Nc4 Be6 14.Nb6 Qb6 15.Qb6 Nb6 16.Kf2-/+) 11...Ne4 12.Be4 de4 13.Qc2 f5 14.Qb3 Kh8 15.Nc4 Re8 16.Be3=; 10...a5 11.f5 (11.Ng3 a4 12.f5 Nb6 13.Qf3 gf5 14.Nf5 Bf5 15.ef5 d5 16.Bf4=; 11.e5 Nd5 12.Nb5 N7b6 13.Qe1 Nc7 14.ed6 ed6 15.Nc7 Qc7 16.f5+=; 11.Nb5 Nb6 12.e5 Nfd5 13.ed6 ed6 14.f5 Re8 15.fg6 fg6 16.Nf4+=) 11...gf5 12.Rf5 Nb6 13.Rf1 Qc7 14.Be3 a4 15.Nb5 Qd8 16.Qb1=; 10...b6 11.e5 (11.Nb5 a6 12.e5 Nd5 13.c4 Nb4 14.Be4 Rb8 15.Nbc3 f5 16.Bf3=; 11.f5 Bb7 12.fg6 fg6 13.Qb3 Kh8 14.Qe6 a6 15.Nf4 Qe8 16.Nc2+=; 11.Ng3 Bb7 12.f5 a6 13.Qb3 b5 14.fg6 hg6 15.Nc2 Qc7 16.Bd2+=) 11...Ne8 12.Be4 Rb8 13.Nb5 Bb7 14.Bb7 Rb7 15.Na7 Qa8 16.Qa4+/-) 11.Ng3 (11.Qe1 d5 12.e5 Ne8 13.Ng3 e6 14.Nc2 f6 15.Qe3 Rf7 16.Ba3+=; 11.e5 Nfd5 12.Qe1 Bg4 13.h3 Bd7 14.c4 Nc7 15.Qg3 Re8 16.Be3=; 11.c4 Re8 12.e5 Ng4 13.Nb5 a6 14.Nbc3 Qc7 15.Nd5 Nd5 16.cd5+=) 11...e5 (11...Bg4 12.Qd2 Qc8 13.f5 gf5 14.Nf5 Bf5 15.Rf5 d5 16.ed5=) 12.f5 (12.fe5 de5 13.d5 Bd7 14.Bg5 h6 15.Bd2 Qe7 16.Qe1+=) 12...Nfd7 (12...ed4 13.cd4 Nh5 14.Ne2 gf5 15.ef5 Re8 16.Nc2+=) 13.Be3 d5 14.Qb3 Qh4 (14...de4 15.Ne4 gf5 16.Rf5+=) 15.Be2 (worse is 15.ed5 ed4 16.Rf4 Qg5-/+; 15.fg6 hg6 16.Bf2=) 15...de4 (15...ed4 16.cd4+=) 16.Nb5 ed4 17.cd4 Qe7 18.Ra7 Ra7 19.Na7 Qd6 20.fg6 hg6 (20...Qg6? 21.Bh5 (21.Nc8?! Rc8 22.Bh5 Qc6+/-) 21...Qd6 22.Nc8 (22.Bf7?! Kh8 23.Ne4 Qe7 24.Nc8 Nc8+-) 22...Nc8 23.Rf7+-) 21.Nc8 Nc8 22.Ne4 Qb6 23.Qd5 Nf6 24.Nf6 Bf6 25.Bc4 Ne7 26.Qc5 Qc5 27.dc5 Nf5 28.Bf2 Bd4 29.Rb1 Rc8 30.Rb7 Rc5 31.Bf7 Kg7 32.Bd4 Nd4 33.h3 Kf6 34.Kh2 Rc2 35.Be8 g5 36.Bh5 Ne2 37.Rf7 Ke6 38.Rf2 Nd4 39.Rf1 Rd2 40.Bg6 Ne2? 41.Rf2+- g4 42.Bf5 (42.Bf5 Ke5 43.Bg4+-) 1–0. Bonafede,A (2280) – Nyzhnyk,I (2535), Unive Open Hoogeveen NED, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Ne2 Bg7)

    9.c3 Nbd7 10.Bf4 A) 10...a6 11.Nb5 (11.c4 b6 12.Re1 e5 13.Bg5 h6 14.Bd2 ed4 15.Nd4 Nc5 16.Bc3-/+; 11.Qc2 b6 12.Rfb1 Bb7 13.Nc4 Qc7 14.f3 e5 15.Bg3 Rfe8 16.Ne3+=; 11.Re1 b5 12.Nb5 Bb7 13.Nd6 ed6 14.Bd6 Re8 15.Ng3 Re6 16.Bf4+=) 11...Nb6 12.Na3 d5 13.f3 Be6 14.Qd2 Qc8 15.Rfb1 Nc4 16.Nc4+=; B) 10...Re8 11.Bg5 (11.Bg3 Nb6 12.Qd2 e5 13.Rfe1 Nh5 14.Bb5 Ng3 15.Ng3 Re7 16.Nc2+=; 11.Re1 a6 12.Nb5 Nb6 13.Na3 e5 14.Bg5 h6 15.Bh4 d5 16.ed5-/+; 11.Nb5 a6 12.Re1 Nb6 13.Na3 e5 14.Bg5 h6 15.Bh4 d5 16.ed5-/+) 11...Nb6 12.Qb3 d5 13.e5 Ne4 14.Be3 h6 15.Qc2 Bd7 16.c4+=; C) 10...Nb6 11.f3 (11.Re1 d5 12.f3 Bd7 13.Be5 Bh6 14.Nc2 Ba4 15.Bf6 ef6 16.Qb1+=; 11.Ng3 Re8 12.Nc4 e5 13.Nb6 Qb6 14.Be3 Qb2 15.Qe1 ed4 16.cd4+=; 11.Qc2 d5 12.Nb5 de4 13.Be4 Ne4 14.Qe4 Bf5 15.Qb7 Bd3 16.Na7+=) 11...a5 12.Qd2 a4 13.Rfb1 Qc7 14.Qe3 Bd7 15.c4 Nh5 16.Bg5=; D) 10...b6 11.Re1 (11.Qd2 a6 12.Rfb1 Qc7 13.Qe3 e5 14.Bg3 Bb7 15.Rb4 d5 16.de5-/+; 11.Nc4 a6 12.Ne3 Qc7 13.Qc2 Bb7 14.Rfd1 e5 15.Bg3 Rfc8 16.Qb1-/+; 11.Qc2 Bb7 12.Rfd1 a6 13.Nc4 d5 14.Nd2 de4 15.Ne4 Nd5 16.Bg3+=) 11...Bb7 12.f3 a6 13.Nc4 d5 14.Nd2 de4 15.fe4 b5 16.e5+=.

    9.c3 e5 10.f4 ed4 11.cd4 Nc6 12.Kh1 (12.Nb5 a6 13.e5 Ne8+=) 12...Bg4 13.Nc2 Re8 14.e5 Nd5 15.Qe1 Qb6 16.Ba3 Be2 17.Qe2 Nd4 18.Nd4 Qd4 19.Bd6 Nf4 20.Rf4 (better is 20.Qe4!? Qd3 21.Qf4-/+) 20...Qf4 21.Rf1 Be5 22.Rf4 Bf4 23.Qf2? (better is 23.Bf4 Re2 24.Be2-+) 23...Bd6 24.g3 Re7 25.Bc4 Be5 26.Qc5 Bf6 27.Qd6 Kg7 28.Kg2 Rc8 29.Qd5 h5 30.h3 Rec7 31.Bb3 Rd8 32.Qa5 b6 33.Qb4 Rc3 34.h4 Rd2 35.Kh3 Be5 (35...Be5 36.Qc3 Bc3-+) 0–1. Stroeher,Wolfgang – Kupreichik,Viktor D (2560), Passau op 1st, 1993. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 Nf6 6.Bd3 g6 7.Ne2 Bg7)

    9.c4 e5 (9...Nc6 10.Qb3+=) 10.d5 (10.Nb5!?=) 10...Na6+= 11.f3 Nc5 12.Be3 b6 13.Nb5 a6 14.Nc1 Rb8 15.Nc3 Ne8 16.N1a2 f5 17.Nb4 Bb7 (worse is 17...Nd3 18.Nc6 Qc7 19.Nb8+/-) 18.Nc6 Bc6 19.dc6 Qc8 (worse is 19...Nd3 20.Qd3 fe4 21.fe4 Rf1 22.Qf1+=) 20.Nd5 Kh8 21.Bc5 bc5 22.Qa4 Nc7 23.Qa5 Ne6 24.Qa6 Nd4 (24...Qd8!?+=) 25.c7+/- Rb7 26.Rfb1 (26.Qd6 Re8+/-) 26...Rc7 (26...Rb1 27.Bb1 Qd7+-) 27.Nc7+/- Qc7 28.Rb7 Qd8 29.Kh1 Qh4? (better is 29...Qf6!?+/-) 30.Qd6+- Qf2 (30...Qf4 31.Rb8 fe4 32.fe4 Rb8 33.Qb8 Qf8+-) 31.Rb8 (31.Rb8 Ne6 32.Rba8+- (32.Qe6?! Rb8 33.Qd6 Rg8=)) 1–0. Grafl,F (2425) – Fidalgo Fernandez,L (2115), 4NCL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    9.f3 Nc6 10.Be3 (10.Bb5 a6 11.Bd3 Nd4 12.Nd4 Nd5-/+) 10...Nb4 (10...a6 11.c3+=) 11.c4 (11.Bb5 a5+=) 11...a5 12.Nc2 Nd3 13.Qd3 e6 (13...Qc7 14.Ra3+=) 14.Na3 d5 15.cd5 ed5 16.e5 Ne8 17.Rfc1 (17.Nb5 f6 18.ef6 Qf6= (worse is 18...Rf6 19.Bg5+/-)) 17...f6+= 18.f4 (18.Bf4 Rf7+=) 18...Nc7 (18...Rf7!?-/+) 19.Nb5 Ne8 20.Qb3 Rf7 21.Nec3 Be6 22.Na4 Bf8 23.Bd2 Bd7 24.Ra2 (24.Kh1 Bc6-/+) 24...Bc6 25.Nc5 fe5 26.fe5 Qh4 27.Be3 Bh6?? 28.Bh6= Qh6 29.Rd1 Ng7 30.Nd6= Re7 31.Rf2 Ne6? 32.Nce4?? de4-+ 33.Rf6?? a4 34.Qa2 Bd7 35.Nf5!+- Qh5 36.Ne7 Kh8 37.Rdf1 Ra6?? 38.d5 Qe5 39.de6 Be6 40.Qa3 e3 41.Ng6! hg6 42.Qf8 Bg8 43.Qh6 (43.Qh6 Bh7 44.Rf8) 1–0. Joerg,Harald (2235) – Wolfsteiner,Helmut (2330), Landesliga Sued, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6)

    9.f3 Nbd7 10.Be3= e5 (10...b6 11.c4+=) 11.d5 (11.Nb5!?=) 11...Nc5+= 12.Qd2 Ne8 13.Rfb1 f5 14.Nc4 Nc7 15.Bc5 dc5 16.d6 Ne8 (16...Na6 17.Na5 Nb4 18.Bc4 Kh8 19.c3=) 17.Nb6+= ab6 18.Ra8 Nd6 19.Qc3 fe4 (19...Qc7 20.Bc4 Kh8 21.Bd5+=) 20.Be4 Ne4 21.fe4 (21.Qc4 Kh8 22.Qe4 Qd6+=) 21...Qf6 22.Ng3 Qf2 23.Kh1 h5 24.Qc4 (24.h3 Qd4 25.Qb3 Kh7 26.Qb6 h4+=) 24...Qf7 (24...Kh7!? 25.Rf1 Qf1 26.Qf1 Rf1 27.Nf1 Bd7=) 25.Qf7+= Kf7 26.Rf1 (26.Rb6 Bf6+=) 26...Bf6 27.Ne2 Ke6 (27...Rd8!?+=) 28.Nc3+- (28.Nc3 Rd8 29.Nd5+-) 1–0. Joerg,Harald (2345) – Molineus,Stefan (2210), Oberliga Bayern9596, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Ne2 Bg7+= 8.0-0 0-0)

    9.f4 Nc6 10.c3 a6 11.Bd2 b5 (11...d5 12.e5 Ne4 13.Be4 de4 14.Nc2=) 12.Nb5= Qb6 (12...Bb7 13.Na3=) 13.Kh1 (13.Na3 Rb8=) 13...Bb7 14.Na3 Qc7 (14...Na5 15.Ng3+=) 15.Nc4 d5 16.e5 (better is 16.ed5!? Nd5 17.Ng3+=) 16...dc4= 17.ef6 Bf6 18.Bc4 Nd4 19.Bf7 Rf7 20.Nd4 Rd8 21.Ne6? (better is 21.Qe2 Qd6 22.Rfe1=) 21...Qc6!-+ 22.Qe2 Rd2! 23.Qd2 (23.Qd2 Qd5) 23...Qe6 24.Rac1 (24.Qb2 Bc6-+) 24...Rf8 (24...Qc4 25.Kg1-+) 25.c4 Rc8 26.f5? (better is 26.Rfe1 Qc6 27.Rc2-+) 26...gf5 27.c5 Bg7 (better is 27...Be4 28.Rfd1-+) 28.Qg5 (28.Rb1 Be4 29.Rb6 Qc4-+) 28...Be4 29.Rf2 (29.Rfd1 Qg6 30.Qd2 Be5-+) 29...Qf6 (29...a5 30.h3-+) 30.Qf6 (30.Qe3 a5-+) 30...Bf6 31.Ra2 Rc6 32.Ra4 (32.h3 Bd4-+) 32...Be5 (32...Bb2 33.Rd1 Rc5 34.Kg1-+) 33.Rb4 (33.Kg1 Bb2 34.Re1 e5-+) 33...Rh6 34.Ra4 Bh2 (34...Bh2 35.Re4 fe4-+) 0–1. Juranic,Bojan – Paljusaj,Edmond (2220), CRO–chT U18 Pula, 2000. (=1.e4 c5 2.b4 cb4= 3.d4 d6 4.a3 ba3 5.Na3 Nf6 6.Bd3 g6 7.Ne2 Bg7 8.0-0 0-0)

    9.f4 Nc6 10.c3 b6 11.Nc2 Bb7 12.Ne3 Na5 13.e5 de5 14.fe5 Nd5 15.Nd5 Qd5 16.Nf4 Qb3 (16...Qc6 17.Qc2+=) 17.Qe1= Nc4 18.Rb1 Qa2 19.Rf2 Qa6 20.e6 f5 21.Rfb2 Bc6 22.d5 Be8 23.d6 ed6 24.Nd5 b5 25.Bc4 bc4 26.e7 Rf7 27.Nc7 Qc6 28.Na8 Qa8 29.Rb8 Qc6 30.Re8! Qe8 31.Rb8! Qb8 (31...Qb8 32.e8Q) 32.e8Q Qe8 33.Qe8 Rf8 34.Qe6 Kh8 35.Qd6 Re8 36.Qb4 (36.Qc6 Rd8+-) 36...h6 (36...Bf8 37.Qb2 h5+-) 37.Kf2 Re4 38.Qb8 Kh7 39.Qa7 Kg8 40.Qa8 Kf7 (40...Kh7 41.Qb7 Kg8 42.Qd5 Kh8 43.Qf7+-) 41.Qd5 Ke8 (41...Ke7 42.Ba3 Kf6+-) 42.Qg8 (42.Qg8 Kd7 43.Qg7 Re7 44.Qg6+-) 1–0. Hamann,Carsten – Seipel,Juergen, Schleswig Holstein–ch qual, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Ne2 Bg7 8.0-0 0-0)

    9.c3 Nc6

    10.Qb3 A) 10...a6 11.c4 (11.Bg5 b5 12.c4 b4 13.Nc2 Bg4 14.Nb4 Qb6 15.Rfb1 Rfb8 16.e5-/+; 11.Be3 b5 12.c4 Na5 13.Qa2 bc4 14.Nc4 Nc4 15.Bc4 Bb7 16.f3-/+; 11.Re1 b5 12.c4 b4 13.Nc2 a5 14.Bb2 Qe8 15.Qa4 Bd7 16.Qb3-/+) 11...b6 12.Rb1 Rb8 13.Ra1 Qd7 14.f4 h6 15.Nc2 Qc7 16.e5+=; B) 10...Na5 11.Qb2 (11.Qa4 Bd7 12.Qb4 b6 13.Re1 Nc6 14.Qb3 a6 15.Nc2 b5 16.Be3+=; 11.Qb1 a6 12.c4 b6 13.Be3 Ng4 14.Bg5 Nc6 15.Nc2 h6 16.Bd2+=; 11.Qa2 b6 12.Re1 a6 13.Nc2 Re8 14.Bg5 Bb7 15.Ng3 Qc7 16.Bd2+=) 11...a6 12.c4 Nc6 13.Be3 a5 14.Nc2 Nd7 15.Qb5 e5 16.d5=; C) 10...a5 11.Nc4 (11.Nc2 Qc7 12.Ra4 Bd7 13.Na3 Na7 14.Rc4 Qb8 15.Qb6 Nc8 16.Qc7+=; 11.Nb5 d5 12.ed5 Nd5 13.Rd1 Be6 14.Qb1 a4 15.Nf4 Bg4 16.Re1+=; 11.Re1 a4 12.Qc2 d5 13.ed5 Nd5 14.Nb5 Qa5 15.Qa2 Rd8 16.Bc4+=) 11...d5 12.ed5 Nd5 13.Rd1 Bg4 14.Bd2 Qc7 15.Ne3 Ne3 16.Be3+=; D) 10...d5 11.f3 (11.ed5 Qd5 12.Bc4 Qd8 13.Qb5 a6 14.Qg5 Na5 15.Ba2 b5 16.Re1-/+; 11.e5 Ne8 12.Nc2 Nc7 13.Ne3 f6 14.ef6 Bf6 15.Nf4 e6 16.Ng4+=) 11...e5 12.Nc2 b6 13.Bg5 Be6 14.Qb5 Qd7 15.Bf6 Bf6 16.f4+=.

    10.Nc2 A) 10...a6 11.Bg5 (11.Ne3 Bd7 12.f4 b5 13.d5 Na5 14.Qc2 Nb7 15.Nd4 Qc7 16.f5-/+; 11.c4 Qc7 12.Be3 e5 13.d5 Na5 14.Na3 b6 15.Qb1 Nd7 16.Ra2+=; 11.Qe1 Bd7 12.Ng3 Qc7 13.c4 a5 14.f4 Ng4 15.Qc3 Qb6 16.Ne2+=) 11...d5 12.Ng3 e5 13.Re1 h6 14.ed5 Qd5 15.Bf6 Bf6 16.Be4=; B) 10...Bd7 11.Bf4 (11.Ng3 a6 12.c4 Qc7 13.Re1 Rfc8 14.Bg5 a5 15.Qd2 a4 16.Ra3-/+; 11.Ne3 a6 12.f4 b5 13.d5 Na5 14.Qc2 Nb7 15.Nd4 Qc7 16.f5-/+; 11.Bg5 a6 12.Qb1 b5 13.Nb4 Nb4 14.cb4 h6 15.Bf4 Qb6 16.Rc1+=) 11...a5 12.Ne3 b5 13.Bb5 Ne4 14.Qa4 Nb8 15.f3 Nf6 16.Nc4+=; C) 10...a5 11.Ng3 (11.Re1 Qc7 12.Ne3 Bd7 13.Nf4 e6 14.Ba3 b5 15.e5 de5 16.Bf8+=; 11.Ne3 d5 12.ed5 Nd5 13.Be4 Nf6 14.Bf3 Bd7 15.c4 Qc7 16.Bb2+=; 11.Bg5 d5 12.Ng3 e5 13.Nb4 de4 14.Nc6 bc6 15.Ne4 ed4 16.Qf3+=) 11...d5 12.Bg5 e5 13.Nb4 de4 14.Nc6 bc6 15.Ne4 ed4 16.Qf3+=; D) 10...d5 11.e5 (11.ed5 Nd5 12.Ne3 e5 13.Ba3 Re8 14.Qb3 Be6 15.Nd5 Bd5 16.c4-/+; 11.f3 e5 12.Bg5 h6 13.Bf6 Bf6 14.Bb5 Bg7 15.Ne3 de4 16.Bc6-/+) 11...Ne8 12.Nf4 Nc7 13.Ne3 f6 14.ef6 Bf6 15.Qb3 e6 16.Ng4+=.

    10.Re1 A) 10...d5 11.e5 (11.ed5 Nd5 12.Be4 Be6 13.Qc2 Nf6 14.Bd3 Qd7 15.Nf4 Bg4 16.f3+=) 11...Ne8 12.Nf4 Nc7 13.Qf3 f6 14.ef6 Rf6 15.Nb5 Nb5 16.Bb5=; B) 10...b6 11.Qb3 (11.Nc2 a6 12.Ne3 Bb7 13.Ng3 b5 14.Bb2 Na5 15.Ra3 Qc7 16.Qf3+=; 11.Nc4 a6 12.Ne3 Bb7 13.Ng3 b5 14.Qf3 Qc7 15.Bb2 Rfc8 16.Ra3+=; 11.Qa4 Bb7 12.Nc2 Qc7 13.Ne3 a6 14.Nd5 Nd5 15.ed5 Na5 16.Qa2+=) 11...a6 12.Bg5 Be6 13.Qc2 Bd7 14.Qb3 Qc7 15.Nc2 Na5 16.Qa3+=; C) 10...Re8 11.Nc2 (11.Ng3 d5 12.e5 Nd7 13.Qf3 Nb6 14.Nc2 Qd7 15.Ba3 Qg4 16.Qg4+=; 11.Qb3 a6 12.Bg5 b5 13.c4 Ng4 14.Qb2 b4 15.Nc2 a5 16.Reb1+=; 11.Qc2 b6 12.Qa4 Bd7 13.Qb3 a6 14.Nc2 b5 15.Ne3 Qc7 16.c4+=) 11...Bd7 12.Bg5 a6 13.c4 Qc7 14.Nc3 Qc8 15.Na4 Qd8 16.c5=; D) 10...a6 11.Nc2 (11.Bg5 Bg4 12.f3 Bd7 13.Qb3 b5 14.c4 b4 15.Nc2 a5 16.Ra4-/+; 11.Qb3 b5 12.c4 b4 13.Nc2 a5 14.Bb2 Qe8 15.Ra4 Nd7 16.Ra2-/+; 11.Bd2 Bg4 12.h3 Bd7 13.Qb3 Qc7 14.c4 b6 15.Reb1 Rfb8 16.Nc2+=) 11...Bd7 12.c4 b5 13.cb5 ab5 14.Rb1 Rb8 15.Bg5 Qa5 16.Bd2+=.

    10.f4 d5 11.e5 Ne4 12.Be4 de4 13.Ng3 Qd5 14.Nc2 Qb3 15.Ra3 Qb5 16.Ne3 Na5 17.f5 Nc4 18.Nc4 Qc4 19.f6 ef6 20.ef6 Bh8 21.Ne4 Qd5 22.Nc5 b6 23.Nd3 Re8 24.c4?? (24.Nb4!? Qe4 25.Qc2=) 24...Qd6 (better is 24...Qd4!? 25.Rf2 Bg4-+ (25...Bf6 26.Bb2+/-)) 25.Ne5 Bf6 26.Qf3 Bf5 27.Bb2 Bg7 28.g4 (28.Re3!?-/+) 28...Be5-+ 29.de5 Qc5 30.Kg2 Be6 31.Rc1 Rad8 32.Kg3 Rd2 33.Bc3? (33.Ba1 b5-+) 33...Rd7 (33...Bg4 34.Kg4 Rf2-+ (34...Qa3?! 35.Bd2 h5 36.Kg3 h4 37.Kg2 Qf3 38.Kf3=)) 34.Bb2 Red8 35.Re3 Rd2 36.Ba3 Qd4 37.h3 h6 38.Bd6 Rd6 39.ed6 Qd6 40.Kh4 g5 41.Kh5 Bg4! 42.Kg4 Rd4 43.Qe4 Qe6 44.Kf3 Qh3 45.Kf2 Qh2 46.Kf3 Re4 47.Ke4 h5 48.c5 Qf4 49.Kd3 Qf5 50.Kd4 Qd7 51.Kc4 bc5 52.Rec3 h4 53.Kc5 h3 54.Rg3 0–1. Shivananda,B (2380) – Babujian,L (2485), Mumbai IND, 6th Mayors Cup, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Ne2 Bg7 8.0-0 0-0)

    10.Nf4 A) 10...d5 11.ed5 (11.e5 Nd7 12.Qf3 Nb6 13.Nb5 a6 14.Na3 f6 15.e6 Ne5 16.Qe3+=; 11.Nd5 Nd5 12.ed5 Qd5 13.Bc4 Qf5 14.Qe2 Rd8 15.Nb5 a6 16.Bd3+=) 11...Nd5 12.Nd5 Qd5 13.Nc4 Be6 14.Bf4 Qd7 15.Ne3 Rfd8 16.Be4=; B) 10...Bg4 11.Qc2 (11.f3 Bc8 12.Nc4 e5 13.Ne2 ed4 14.cd4 d5 15.Ne3 de4 16.fe4-/+; 11.Qd2 e5 12.f3 Bc8 13.Nd5 Nd5 14.ed5 Ne7 15.c4 Qb6 16.Bb2-/+; 11.Ne2 a6 12.h3 Bd7 13.Qb3 b5 14.c4 b4 15.Nc2 a5 16.Bb2-/+) 11...e5 12.d5 ef4 13.dc6 bc6 14.Bf4 d5 15.f3 Be6 16.Be5-/+; C) 10...a5 11.Qa4 (11.Nd5 Nd5 12.ed5 Nb8 13.Nb5 Nd7 14.Qf3 a4 15.Ra3 Nf6 16.h3=; 11.Rb1 e5 12.d5 ef4 13.dc6 bc6 14.Bf4 d5 15.Qa4 de4 16.Bc4-+; 11.Re1 e5 12.d5 ef4 13.dc6 bc6 14.Bf4 Ng4 15.Qd2 Qf6 16.Rec1-/+) 11...e5 12.d5 Na7 13.Ne2 Bd7 14.Qb3 Qc7 15.Be3 b5 16.Ba7=; D) 10...e5 11.d5 ef4 12.dc6 bc6 13.Bf4 d5 14.f3 de4 15.fe4 Nh5 16.Be3-/+.

    7.Nf3 Bg7

    8.e5 de5-/+ 9.de5 Nd5 (9...Ng4 10.Bb2-/+) 10.Bb5 (10.Bc4 Qa5 11.Bd2 Qc5=+) 10...Nc6-/+ 11.c4 Ndb4 12.Qd8 Kd8 13.0-0 Be6 (13...Bf5 14.Bb2-+) 14.Ng5 Be5 15.Ne6 fe6 16.Rb1 Kc7 17.Be3 Rhd8 18.c5 (18.Rb3-+) 18...Bd4 (better 18...Nd5!?-+) 19.Bc6-/+ Nc6 20.Nb5 Kc8 21.Nd4 Nd4 (worse 21...Rd4 22.Bd4 Nd4 23.Rb4+=) 22.Rfd1 (22.Bd4 Rd4 23.Rfe1 Rd7-/+) 22...e5-+ 23.Bg5 Rd7 24.f4 (24.Re1-+) 24...ef4 25.Be7 Ne2 26.Kf2 Re7 27.Re1 Kc7 28.Re2 Re2 29.Ke2 a5 30.Kf3 (30.Kd3 a4-+) 30...a4 31.Kf4 a3 32.Ke5 a2 (32...Kc6!? 33.Kd4 Ra4 34.Kc3 Kc5 35.Re1-+) 33.Ra1 Kc6 (better 33...Re8 34.Kd5 Re2-+) 34.Kf6? (34.Kd4-+) 34...Kc5 35.Kg7 b5 36.Kh7 (36.Rc1 Kd4 37.Rd1 Kc3 38.Kh7-+) 36…b4 0-1. Shirazi,K (2345) - Quparadze,G (2460), Titled Tuesday 1st Dec, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3)

    8.0-0 0-0

    9.Nb5 a6 10.Nc3 Nc6 11.h3 Bd7 12.e5 Ne8 13.Re1 de5 14.de5 Nc7 15.Bd2 Be6 16.Qe2 Nd5 17.Ne4 (17.Na4!?+=) 17...Ne5-/+ 18.Ne5 Be5 19.Ng5 (19.Rab1-/+) 19...Bg7 (better is 19...Ba1 20.Ne6 fe6 21.Qe6 Kg7 22.Ra1 Rf6-+) 20.Ne6+= fe6 21.Qe6 Kh8 22.Rad1 Rc8 (22...Bd4!? 23.Re2 Qd6 24.Qd6 ed6=) 23.Be4= Nc7 24.Qg4 Nb5 25.h4 (25.Be3 Qa5 26.Qe6 Nc3-/+) 25...Qb6 26.Be3 Qc7 27.h5 Nd6 28.hg6 Ne4 29.Qe4 Qc2 30.Bd4 (better is 30.Qb7!? Qg6 31.Qe7=) 30...Qe4-/+ (30...hg6?? 31.Qh4 Kg8 32.Bg7 Qd1 33.Rd1 Kg7 34.Rd7 (worse is 34.Qe7 Rf7 35.Qe5 Kg8+-) 34...Rc1 35.Kh2+-) 31.Bg7 Kg7 32.Re4 Rc7 33.gh7 Kh7 34.Rd5 Kg7 35.Ree5 Rc1 36.Kh2 Rf2 37.Re7 Rf7 38.Re6 Rcc7 39.Rg5 Kf8 40.Rd5 Rfe7 41.Rb6 Ke8 42.Rg6 Rh7 43.Kg1 Rhg7 44.Rdd6 Rg6 45.Rg6 Rf7 46.g4 Kd7 47.Kg2 a5 48.Rb6 Kc7 49.Rb5 b6 50.Kg3 Kc6 51.Rb1 a4 52.g5 b5 53.Rc1 Kd5 54.Rd1 Kc4 55.Rc1 Kb4 56.Rb1 Ka5 57.Kg4 b4 58.g6 Rc7 59.Kf5 b3 60.Kf6 Kb4 61.g7 Rg7!! 62.Kg7 a3 63.Kf6 a2 64.Ra1 Ka3 65.Re1 b2 66.Re3 Kb4 (66...Kb4 67.Re4 Kc3 68.Re3 Kd4-+) 0–1. Libersan,Mattieu (1935) – Groleau,Gilles (2055), Gatineau Outaouais, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

    9.Re1 Nc6 +=.

    9.Qe2 Nc6 10.c3 a6 11.Nc2 e5 12.Bg5 h6 13.Bh4 Re8 14.d5 Nb8 15.Rfb1 Nbd7 16.Ne3 Qc7 17.Bc2 Nc5 (worse is 17...Qc3 18.Nc4 g5 19.Ra3 Qa3 20.Na3 gh4 21.Nh4+/-) 18.Nd2 Bd7 19.Qf3 Nh7 20.h3 b5 21.c4 Reb8 22.Nb3 b4 23.Na5 Rb6 24.Nf1 (24.Nb3 Na4-/+) 24...Ng5 (24...f5 25.Nb3-+) 25.Qe3 Bf6 26.Bg3 Nh7 27.f3 (27.Qh6?? Bg5 28.Qg5 Ng5-+) 27...Nb7 28.Bf2 Bd8 29.Bb3 Na5 30.Ra5 Rbb8 31.Rba1 Qb7 32.R5a2 a5 33.h4 (33.Qh6?? Bg5 34.Qg5 Ng5-+) 33...Kg7 34.h5 Nf6 35.hg6 fg6 36.Qc1 Bb6 37.c5 Bc5 38.Bc5 Rc8 (38...dc5?! 39.Qc5 Qa7 40.Qa7 Ra7 41.Ra5 Ra5 42.Ra5+=) 39.Ra5 Rc5 (worse is 39...dc5 40.Ra8 Ra8 41.Qc5+/-) 40.Qc5 dc5 41.Ra8 c4 42.Bc4 b3 (42...b3 43.R1a6 b2+=) 0–1. Scheer,Walter (2220) – Faber,Hans_Alban (2460), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

    9.Be3 Nc6 10.d5 Nb4 11.Nc4 Na6 12.Qb1 +=.

    9.Bf4 Nc6 10.c3 (10.Rb1 Bg4 11.d5 Nd4 12.Rb7 Nf3 13.gf3 Bc8+=) 10...Re8 (better is 10...d5 11.e5 Nh5-/+) 11.e5? (better is 11.d5 Na5 12.Qe2+=) 11...Nd5-+ 12.Qd2 (better is 12.Bg3 de5 13.de5 Nc3 14.Qc2-/+) 12...Nf4 13.Qf4 de5 14.Qg3 ed4 15.Nb5 (15.cd4 Nd4 (worse is 15...Bd4 16.Nd4 Nd4 17.Nb5-+) 16.Nd4 Bd4-+) 15...e5 (15...dc3 16.Be4 Bd7 17.Nc7-+) 16.Ng5 (16.cd4 a6-+) 16...a6 (16...Bh6 17.h4-+) 17.Ne4 (17.cd4 Bh6 18.Ne4 Bf5-+ (18...ab5?! 19.Ra8 Bf4 20.Rc8 Qc8 21.Nf6 Kf8 22.Qh4+=; 18...Nd4?! 19.Nd4 ed4 20.Nd6-+)) 17...Bf8 (better is 17...f5 18.Ng5 Bh6 19.Bc4 Kg7 20.Nf7-+) 18.Qf3? (18.Nc7 Qc7 19.Nf6 Kh8 20.Qh4-+) 18...Bf5 (18...ab5?! 19.Ra8 Kg7 20.Bb5+=) 19.Ng5 0–1. Sineux,Sandra – Grinenwald,Pierre, 7th St Quentin Open, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Nf3 Bg7)

    9.h3 Nbd7 10.Be3 e5 11.Nb5 a6 (11...d5!? 12.de5 Ne4=) 12.Nd6+= Ne8 13.Bg5 f6 14.Bc4 (14.Ne8 Re8 15.Be3 ed4 16.Bd4 Qc7+=) 14...Kh8= 15.de5? (better is 15.Ne8 Re8 16.Bd2 ed4 17.Ba5+=) 15...Nd6-+ (worse is 15...fg5 16.Nf7 Rf7 17.Bf7-/+) 16.Qd6 Ne5 (16...fg5 17.Rad1 Rf3 18.gf3 Qf8-/+) 17.Qe5+= fg5 18.Qa5 Qa5 19.Ra5 g4 20.Ng5 Bc3 21.Ra3 Bb4 22.Rb3 Be7 23.Nf7 (23.Ne6!? b5 24.Bd5 Be6 25.Be6 gh3 26.Rh3+=) 23...Kg7-/+ 24.Ne5 gh3 25.gh3 Bf6 (25...a5 26.Rd3 Rf4 27.Re1-/+) 26.f4 Re8 27.Bd5 Rb8 28.c4 Be6 (28...Be5 29.fe5 Re5 30.Rf7 Kh6 31.c5=) 29.c5 (29.Rfb1 Be5 30.fe5 Bc8+=) 29...Be5= 30.fe5 Bd5 31.ed5 Re5 32.Rd1 Rd8 33.Rb7 Kh6 34.d6 Rc5 35.d7 Rg5 36.Kh2 Re5 37.Rc7 Re7 38.Kg3 a5 39.h4 a4 40.Rd3 a3! 41.Ra3 Red7 42.Raa7 ½–½. Wempe,Juergen (2110) – Bartels,Holger (2095), Bad Zwischenahn op 1st, 2004. (=1.e4 c5 2.b4 cb4 3.d4 Nf6 4.Bd3 d6 5.a3 ba3 6.Na3 g6)

    7.f4 Bg7

    8.Ne2 0-0 9.0-0 Nc6 10.c3 a6 11.e5 Nd5 12.Qb3 Nc7 13.ed6 ed6 14.f5 d5 15.Nc2 Re8 16.Ng3 b5 17.Bf4 Ra7 18.Rae1 Re1 19.Re1 Na5 20.Qb1 g5 21.Bc1 h6 22.Ba3 Ne8 (better is 22...Bf8!?=) 23.Bc5+= Rb7 24.Nb4 Rd7?? (better is 24...Nf6+=) 25.Bb6!!+- (25.Bb6 Nc7 26.Ba5+-) 1–0. Zajarnyi,Anatolyi (2355) – Ionescu,Doru Alexandru (2270), Bucharest Dreptatea, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

    8.Nf3 Nc6 9.0-0 d5 10.e5 Ne4 11.Be3 Bf5 12.Ng5 +=.

    8.Nf3 0-0

    9.0-0 Nc6 (9...d5 10.ed5 Nd5 11.Qe1 Nc6 12.c3+=) 10.c3 (10.c4 Bg4 11.Be3 Nd7 12.Nc2+=) 10...Bg4 (10...d5 11.ed5 Nd5 12.Qe1+=) 11.h3 Bf3 (11...Bc8 12.e5+= (12.d5 Na5 13.Be3+=)) 12.Qf3= Qa5 13.Bb2 a6 (13...Qb6 14.Nc4 Qc7 15.e5=) 14.e5 de5 (14...Ne8 15.Be4=) 15.fe5 Nd7 16.Nc4 (16.Be4 Qc7=) 16...Qd8 (16...Qc7 17.Be4=) 17.Rae1 (17.Be4 Qc7=) 17...Nb6 (17...Rc8 18.Be4=) 18.Ba3 (18.Rb1 Rc8 19.Nb6 Qb6=) 18...Qc7 (18...Nd4!? 19.Qb7 Nc4 20.Bc4 Nf5=) 19.Nb6= Qb6 20.Re3 (better is 20.Be4!? Ne5 21.Qf2=) 20...Qb3-/+ 21.Bc5 Bh6 (worse is 21...Qc3 22.Bg6 Qd2 23.Bf7 Kh8 24.Re2+/-) 22.Re2 (22.Be4 Be3 23.Qe3 f5 24.ef6 Rf6+=) 22...Qc3 23.Qe4 (23.Rc2 Qb3 24.Rcf2 Rad8-/+) 23...Bg7 (23...Ne5!? 24.Qe5 Qd3-+) 24.Rc2 Qa5 25.Kh1 (25.Qe3 Qd8 26.Rb2 Qd7-/+) 25...Rac8-/+ 26.Rb1 b5 27.h4 (27.Rbb2 Qd8-/+) 27...Qc7 (27...Qd8 28.Ra1 Nb8 29.h5-/+) 28.h5 (28.Ra1 Qb7-/+) 28...Qd7-+ 29.Ra1 (29.Rc3 Rcd8 30.Rd1 f5-/+) 29...Rfd8 (29...Nd4 30.Qd4 Qd4 31.Bd4-+) 30.hg6 (30.Bb6 Nb4-+) 30...hg6-+ (30...fg6 31.Ra6 Ne5 32.Ra7-/+) 31.Bb6 Nb4 32.Rd2 Rf8 33.Bc5 Nd3 34.Rd3 Qe6 35.Rda3 Ra8 36.Qb7 Rfb8 37.Qe7 Qe7 38.Be7 Rb6 39.g3 Bf8 40.Bf8 Kf8 41.Kg2 b4 42.Rb3 a5 43.Ra4 Rb5 44.Kf3 Ke7 45.Ke4 Ke6 46.g4 Ra7 47.g5-/+ Ra8 48.Ra1 a4 49.Rf3-/+ b3 50.Raf1 Rf8 51.Rf6= Ke7 52.Ra6 b2 53.Ra7 ½–½. Grabinsky,V (2260) – Kovalenko,O, ch–UKR, Alushta UKR, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 Nf6 6.Bd3 g6)

    9.0-0 Bg4 10.h3 Bf3 11.Qf3 Nc6 12.c3 Rc8 13.Bd2 a6 14.e5 de5 15.fe5 Nd5 16.Nc2 (16.Nc4!?+=) 16...Na5+= Attacking the backward pawn on c3 17.Ra3 e6 18.Qe2 b5 19.Rfa1 Nc4 20.Bc4 Rc4 21.Ne3 Ne3 22.Qe3 b4 23.Ra6 bc3 24.Bc3 Qc8 ½–½. Stoyanov,Valeri (1970) – Mitrev,E (2140), 30th Teteven Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

    9.c3 Nc6 10.0-0 Bg4 11.e5 Ne8 12.Rb1 b6 13.Nc4 de5 14.fe5 Nc7 15.Ne3 Bc8 16.Ng5 Bb7 17.Bc4 Can f7 get defended? 17...e6 18.Qg4 Na5 19.Bd3 Nd5?? (better 19...f5 20.ef6 Rf6=) 20.Bg6!+- fg6 (20...fg6 21.Rf8 Double attack; 20...hg6 21.Qh4 Combination) 21.Qe6 Kh8 22.Rf8 Qf8 23.Nf7 (worse 23.Nd5 Re8 24.Qh3 Qg8+-) 23...Kg8 24.Nd6 Kh8 25.Nd5 Bd5 26.Qd5 h6 27.Qe4 Kh7 28.Bh6! Bh6 (28...Bh6 29.Rf1 Combination; 28...Kh6 29.Qh4 Mate attack) 29.Rf1 Qd8 30.Nf7 Qe8 (30...Qg8 31.Qh4 Qg7 32.Nh6 g5+-) 31.Qh4 (31.Qh4 Kg8 32.Nh6 Kg7 33.Qf6 Kh7 34.Nf7 Qe7 35.Qe7 Kg7 36.Nd8 Kh6 37.Qh4 Kg7 38.Rf7 Kg8 39.Qh7) 1–0. marekt (2560) – bobby fissure (2225), ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.f4 Bg7)

    9.c4 Nc6 10.0-0 Bg4 11.Be3 Nb4 12.Bb1 +=.

    9.e5 de5 (9...Nd5 10.Nb5-/+) 10.fe5=+ Nd5 11.Bd2 Nc6 12.c3 f6 13.ef6 ef6 (13...Bf6 14.0-0 e5 15.Nb5=+) 14.0-0=+ Kh8 (14...a5 15.Re1=) 15.Nc2 (15.Re1 f5=) 15...Nb6 16.Qe1 Ne7 (16...Kg8 17.c4=) 17.Ne3+= Nbd5 18.Nd5 Nd5 19.Nh4 (19.c4!? Re8 20.Qf2+=) 19...f5= 20.Qg3 (20.Nf3 Re8 21.Qg3 Bd7=) 20...Qf6 (20...a5 21.Qf2=+) 21.Bg5 (21.Qf2!?=) 21...Qc6-/+ 22.Rac1 Bd7 23.Nf3 (23.Kh1 Rae8-/+ (23...Nc3?! 24.Bd2 Ne4 25.Qh3=)) 23...Rae8 (23...Nc3?! 24.Qe1 Rac8 25.Bd2=) 24.Qh4 Nf6 (24...a5!?-/+) 25.Ne5=+ Re5 26.de5 Ng4 27.Be2 Ne5 28.Bh6 (28.Qb4 Re8=+) 28...Qc5-/+ 29.Kh1 Bh6 30.Qh6 ½–½. Munoz,Farid (2130) – Guerrero Sierra,Juan Carlos (2275), Torneo IRT Internacional Feria de las F, 2016.

    5.d4 g6

    6.Bb2 Bg7 7.Nf3 Nf6 8.Bd3 0-0 9.0-0 Nc6 10.Qd2 b6 11.c4 Bb7 12.Bc3 Nd7 13.Rfb1 h6 14.Nc2 e6 15.Ne3 Kh7 16.h4 e5 17.Nc2 (better is 17.d5!? Nd4 18.Bd4 ed4 19.Nc2+=) 17...ed4-+ 18.Ncd4 Nd4 19.Bd4 Bd4 20.Nd4 Qh4 21.Nb5 Nc5 22.f3 a6 23.Nd6 Rfd8 24.e5 (24.Nb7!? Rd3 25.Qe2-/+) 24...Qd4 25.Kf1 Rd6 (25...Kg8!? 26.Ra3 Qe5 27.Nb7 Nb7 28.Qh6 Nc5 29.Bg6 fg6 30.Qg6 Qg7 31.Rb6 Rd1 32.Kf2 Rd4-/+) 26.ed6+= Qd3 (26...Qd6 27.Ra3 Re8-/+ (27...Nd3?! 28.Rd3 Qe6 29.c5=)) 27.Qd3= Nd3 28.Rb6 Bc8 29.Rd1 Nc5 (better is 29...Ne5!? 30.c5 Be6+=) 30.Rc6+= Nd7 31.Rc7 a5 32.Kf2 Kg7 33.c5 Kf6 34.c6+= Ke6 35.cd7 Bd7 36.Rc3 a4 37.Re3 Kf6 38.Re7 Be6 39.Rc7 Rd8 40.Ra7+/- Bb3 41.Rd3 h5 42.Rc7 Ke5 43.Re7 Kf6 44.Ree3 Rd7 45.Ke1 g5 46.Kd2 Be6 47.Rd4 Ra7 48.Ra3 Bd7 49.Kc1 Ra5 50.Kb2 Re5 51.Rd2 h4 52.Rc3 Ke6 53.Rcd3 f5 54.Ka3 f4 55.Rd4 Re3 56.R4d3 Bb5 57.Re3 fe3 58.d7 Bd7 59.Re2 Kf5 60.Re3 Bb5 61.Re7 Bf1-/+ 62.Ka4? Bg2-+ 63.Rf7 Ke5 64.Rg7 Kf5 65.Rf7 Ke5 66.Rg7 Kf6 67.Rg8 h3 68.Rh8 Ke5 69.Rh5-/+ Kf4 70.Kb4 Kf5 71.Kc3 Kf4 72.Kd2 Kf3 ½–½. Molina Morena,Antonio (2195) – Durban Piera,Joan (2190), Badalona op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.Bb2 Bg7 7.Nf3 Nh6 8.Be2 0-0 9.0-0 Nc6 10.h3 f5 11.Bc4 e6 12.e5 d5 (12...de5 13.Ne5 Ne5 14.de5+=) 13.Ba2 (13.Be2 g5=) 13...a6 (13...b5 14.c3+=) 14.Ne1 (14.c4 b5 15.cd5 ed5+=) 14...b5-/+ 15.Nb1 g5 16.Bc1 f4 17.c3 Nf5 (17...a5 18.Nd3-/+) 18.Nd2 (18.Ba3 Rf7+=) 18...a5 19.Bb1 (19.Nef3 h5-/+) 19...b4 20.Bf5 Rf5 (20...ef5?! 21.Nc2 bc3 22.Nb1+=) 21.Bb2 (21.Nd3 bc3 22.Nf3 Qb6-+) 21...Ba6 22.Nb3 (22.Nef3 Bf1 23.Qf1 bc3 24.Bc3 a4-+) 22...Bf1 23.Kf1 Bf8 24.Ra4 (24.cb4 ab4 25.Ra8 Qa8-+) 24...Qb6 25.Ra1 (25.Kg1 Qb5 26.Nd2 Rb8-+) 25...a4 26.Nd3 Qb5 27.Kg1 Qc4 (better is 27...Ra7 28.Nbc5 a3 29.Bc1 Bc5 30.Nc5 Ne5 31.Qe1 bc3 32.Ra3 Ra3 33.Ba3-+) 28.cb4 Nb4 29.Ndc5 Nc2?? (better is 29...f3 30.gf3 h6-+) 30.Nd2= Qb4 (better is 30...Ne3!? 31.fe3 Qb5 32.Ra4 Ra4 33.Na4 fe3-+) 31.Qc2+/- Bc5 32.dc5 a3 33.c6 Rff8 34.c7?? Qb2-+ (34...Qb2 35.Qd1 Rfc8-+; 34...ab2 35.Ra8 Ra8 36.c8Q Rc8 37.Qc8 Kf7 38.Qd7 Qe7 39.Qb5+/-) 0–1. Polanco,Brayan Arley (1850) – Hernandez,Cristian Andres (2130), Cali COL, Ch U18 (b), 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.Bb5 Nd7 7.Nf3 Bg7 8.0-0 a6 9.Bc4 e6 (9...Nb6 10.Bd3=) 10.Bf4 Ngf6 11.Bd6 (11.Re1 Nb6=) 11...Ne4+= 12.Bb4 a5 (12...b6 13.Bd3 Ndf6 14.Nc4+=) 13.Nb5= ab4 14.Ra8 Nb6 15.Rc8 Qc8 16.Bd3 Qc6 17.Na7 Nc3 18.Nc6 Nd1 19.Nb4 Nc3 20.Ra1 0-0 21.Ra3 Rc8 22.Na2 Ncd5 23.g3 Nc4 24.Rb3 Nd6 25.Kg2 Rc7 26.Nc1 ½–½. Kuna,Heiko (2420) – Heinrich,Olaf (2330), RSXT – NDS–Meisterschaft, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.c3 Bg7 7.Bd3 Nd7 8.Bg5 Ngf6 9.Qd2 0-0 10.f3 Nb6 11.Ne2 Be6 12.0-0 Rc8 13.Rfb1 d5 14.Nf4 Bd7 15.Ne2 Bc6 16.e5 Ne8 17.Be3 Nc7 18.Bh6 Qd7 19.Bg7 Kg7 20.Qe3 Rfd8 21.f4 e6 22.g4 Kh8 23.Qh3 Qe7 24.Kf2 f5 25.ef6 Qf6 26.g5 Qf7 27.Qg3 Rf8 28.Kg1 Ne8 29.Nc2 Nd6 30.Ne3 (30.Ra7 Nbc4=) 30...Nf5 (30...Ra8 31.Ng4+=) 31.Qh3 (31.Nf5!? ef5 32.Ra7=) 31...Ne3+= 32.Qe3 Ra8 33.Rf1 Nc4 34.Qc1 (34.Bc4!? dc4 35.Qe5 Kg8 36.Ng3+=) 34...Bb5-/+ 35.Kg2 a6 36.Kg3 Rac8 37.Ng1? (better is 37.Kg2-+) 37...Nd6 38.Rf3 Bd3 39.Rd3 Qf5 40.Qe3 Ne4 41.Kg2 Qf4 42.Nh3 Qe3 43.Re3 Rc3 44.Rc3 Nc3 45.Rc1 Nb5 46.Rd1 Kg7 47.Kg3 Nc3 48.Re1 Ne4 49.Kg4 b5 50.Nf4 Kf7 51.Rc1 Re8 52.Nd3 a5 53.Ne5 Kg8 54.Rc7 a4 55.Nf7 Rf8 56.Nh6 Kh8 57.Ra7?? Nd6-+ 58.h4 Nf5 59.Nf7 Kg8 60.Ne5 Nd4 61.h5 gh5 62.Kh5 Nf5 63.Ng4 Ng7 64.Kh6 Nf5 65.Kh5 Ng7 66.Kh6 ½–½. Coulon,Maxcellend (2020) – Saatdjian,Stephane (1860), FRA–chT2 East, 2008. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 g6)

    6.c3 Bg7 7.Nf3 Nf6 8.Bd3 0-0 9.0-0 Bg4 (9...Nc6 10.Bg5+=) 10.Nc2 (10.h3 Bd7=) 10...Qc7 11.Bd2 Nc6 12.Ne3 White intends d5 12...Bf3 13.Qf3 e5 14.d5 Na5 15.Ra3 b6 16.Rfa1 a6 17.c4 Nb7 18.Ng4 Ng4 19.Qg4 Nc5 20.Bb1 a5 21.Rf3? (better is 21.Bc2=) 21...a4-+ 22.Ra2 (22.Qh3!? f5!-/+) 22...Nb3 23.Bg5 Qc4 24.h4? (24.Rg3-+) 24...f5! 25.Qh3 (25.ef5 Qg4 Pinning (25...Qg4 Deflection)) 25...Nd4 26.Rg3 (26.Rfa3 Qb4 27.Bd3 Qe1 28.Bf1 Qe4 29.Qe3-+) 26...Ne2 27.Kh2 Ng3 28.fg3 (28.Qg3 Qb4 29.Bc2 fe4 30.Qe3-+) 28...Qb3 29.Rc2 (29.ef5 Qb1 30.f6 Qa2 31.fg7 Rf7-+) 29...Qb1 30.Rc7 Qe4 (30...Qe4 31.h5 Rf7-+) 0–1. Dekar,L (2085) – Bengherabi,K (2170), ch–ALG, 2015. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 g6)

    6.c3 Bg7 7.f4 e6 8.Nf3 Ne7 9.Bd3 0-0 10.0-0 Nbc6 11.Qe1 b6 12.Nb5 d5 13.e5 Na5 14.Rb1 Ba6 15.g4 (15.Ba3 Bb5 16.Rb5 Rc8+=) 15...Qd7 16.Ba3 Rfc8 17.Qh4 Re8?? (better is 17...Nc4 18.Be7 Bb5+=) 18.Ng5+/- h6 19.Nf7! Nf5? (19...Kf7 20.Nd6 Double attack) 20.gf5+- Qf7 21.Nd6 Bd3 22.Nf7 Kf7 23.f6 Bh8? 24.Qh6 g5 25.fg5 Nc4 26.Ra1 Be4 27.h4 Rg8 28.Qh5 Bg6 29.Qe2 Rac8 30.Kh2 1–0. Kuespert,Helmut (2125) – Dehmel,Stefanie (1760), Nuremberg–ch op, 2004. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.a3 ba3 5.Na3 g6)

    6.Be3 Bg7 7.Qd2 Nf6 8.f3 0-0 9.Bd3 Nbd7 10.Ne2 e5 11.d5 (11.Nb5 ed4 12.Bd4 d5=) 11...Nc5 (11...Nd5 12.Bg5 f6-/+) 12.g4? (better is 12.0-0+=) 12...Nd5!-+ (12...Nd3?! 13.Qd3 b6 14.Nc4+=) 13.Bg5 (13.ed5 e4 Combination) 13...Nd3 14.cd3 Ne7 15.h4 f6 16.Be3 d5 17.Qb2 Rf7 18.Nb5 d4 19.Bd2 Qb6 20.Rb1 Be6 21.Qa1 Qd8 22.Kf2 (22.h5 g5-+) 22...Nc6 23.Rh2 Bf8 24.Ng3 a6 25.Na3 b5 26.Rbh1 (26.h5 g5-+) 26...Qb6 27.g5 fg5 28.h5 Bg7 (better is 28...gh5 29.Nh5 g4 30.f4 ef4 31.Nf4-+) 29.hg6 hg6 30.Bg5 Raf8 31.Ke2 b4 (31...Rf3 32.Nf5 gf5 33.Kf3 fe4 34.Kg3 ed3 35.Qd1-+) 32.Nc2 b3 33.Na3 b2 34.Qg1 Qb3 (worse is 34...Rf3 35.Nf5 Qb3 36.Qb1 gf5 37.Kf3 fe4 38.Kg3 Qa3 39.Rb2-+) 35.Nf5 Bf5 (35...Qa3 36.Be7 Ne7 37.Ne7 Re7 38.Qg6 Qd3 39.Kd3 Rf3 40.Ke2 Re3 41.Kd2+/-) 36.Rh8 (36.ef5 Nb4 37.Qb1 Qa3-+) 36...Bh8 37.Qh2 Rg7 38.ef5 Kf7 (38...Qa3 39.fg6 Qd3 40.Kd3 b1Q 41.Rb1 Rg6 42.Qa2 Kh7 43.Rb7 Rg7 44.Qh2 Kg8 45.Qa2 Kh7 46.Qh2 Kg8 47.Qa2 Kh7=) 39.Qh3 Ke8 40.fg6 Ne7 (40...Ne7 41.Be7 Ke7-+; 40...Rg6?? 41.Qc8 Nd8 42.Qd8 Kf7 43.Qe7 Kg8 44.Qh7) 0–1. Sean,Winshand Cuhendi (2190) – Olay,Edgar Reggie (2355), Penang MAS, 4th Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.Nf3 Bg7 7.c3 Nd7 8.Bc4 h6 (8...Nb6!?=) 9.Qb3+= e6 10.Nb5 Nb6 ½–½. Segers,Hans (2055) – Van der Hoeven,Gerben (1960), Leiden NED, 7th LCT Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.Nf3 Bg7 7.c3 Nf6 8.Bd3 0-0 9.0-0 Nc6 10.Bf4 (10.Re1 a6+=) 10...Nh5 (10...d5!? 11.e5 Nh5+=) 11.Be3= e5 12.d5 Nb8 13.Nc4 Na6 14.Na5 (14.Re1 Nf4=) 14...Nc5+= 15.Bc5 dc5 16.Qb3 Nf4 17.Bc4 Qf6 18.Ne1 Qg5 19.Ra2 b6 20.Nc6 Bd7 21.Na7 Bh3 22.g3 Bf1 23.Kf1 Nh5 24.Qb6 Nf6 25.Qb1 Rfb8 26.Qd3? (better is 26.Qc2+=) 26...Qg4-+ 27.Nc6 (27.h3 Qh3 28.Kg1 Qg4-+) 27...Ra2 28.Ba2 Rb2 29.Bc4 Qh3 30.Kg1 Ng4 31.Nf3 Rf2 32.d6 Qg2 0–1. Bungo,Gregory – Anderson,Renard (2270), US Masters op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.Nf3 Bg7 7.Bd3 Nf6 8.0-0 0-0 9.Bd2 a6 10.Nc4 Nbd7 11.Qe2 e5 (11...Qc7!?+=) 12.Nd6+= ed4 13.Bb4 1–0. Nuesgen,Felix Dr – Fortin,Michel (1815), Canada–Germany (BdF) server, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.f4 Bg7 7.c3 Nf6 8.Bd3 a6 9.Nf3 Nc6 10.0-0 0-0 11.Qe1 Bd7 12.Qh4 e6 13.Ng5 h6 14.Nh3? (14.Nf3 b5+=) 14...Nh5 (better is 14...Nd4!? 15.cd4 Ne4-+) 15.Qf2+= e5 16.d5 Bh3 (16...Na5!? 17.Be2 Nf6-/+) 17.dc6+= Bc8 18.cb7 Bb7 (18...Nf4?? 19.ba8Q (19.bc8B?! Nd3 20.Qc2 Nc1=; 19.bc8Q?! Qc8 20.Bc4 Kh7+-) 19...Nd3 20.Qfa7+-) 19.fe5 Be5 (better is 19...de5!? 20.Qc2 Nf4 21.Bf4 ef4-/+) 20.Bh6+= Bg7 (20...Ng7 21.Rab1 Qe7 22.Rb3+=) 21.Bg7+/- Kg7 (21...Ng7 22.Nc4 d5 23.ed5 Qd5+/-) 22.c4 (better is 22.Rab1!? Rb8 23.Rb6+/-) 22...Qe7 23.Rfe1 (23.Rab1 Kg8+=) 23...Qe5= 24.Nc2 Nf4 25.Qg3 (25.Ra3 Rfe8 26.Rf1 g5+=) 25...Nd3 (25...Rh8 26.Rab1 Nd3 27.Qd3 Qh2 28.Kf2 Qf4 29.Kg1-/+) 26.Qd3+= Rfe8 27.Qb3 (27.Nd4 Be4 28.Qc3 Kg8+=) 27...Be4-/+ 28.Ne3 Rh8 29.g3?? Rh2!-+ (29...Rh2 30.Ra2 Qg3 31.Ng2 Rg2 32.Kf1 Rg1 33.Ke2 Qe1) 0–1. Gelmut,Anna – Velichko,Tatiana (1875), Saratov RUS, Students Ch (w), 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6 5.Na3 g6)

    6.h4 Nf6+= 7.h5 (7.Bb5 Bd7 8.Qf3 Nc6+=) 7...Ne4-/+ 8.Bd3 (8.hg6 fg6 9.Nb5 e5-/+) 8...d5 (8...Qa5!? 9.Kf1 Bf5 10.Qf3-/+) 9.hg6 fg6 10.c4 (10.Nb5 Bd7-/+) 10...Bg7 11.cd5 (11.Nb5 Bf5-/+) 11...Nf6 (11...Qa5!? 12.Kf1 Qd5 13.Ne2-+) 12.Ne2 (12.Qa4 Bd7 13.Qb4 Bf5 14.Bf5 gf5 15.Qb7 Qd5 16.Qc8 Kf7-/+) 12...0-0 13.Nf4 Bf5 (13...a6!?+=) 14.Bf5= gf5 15.Qb3 Qb6 16.Qd3 (16.Nb5!? a6 17.d6 Rf7 18.Ne6+=) 16...Ne4= 17.Ne6 (17.Nb5 Nd7 18.Ne6 Rf7=) 17...Rf6 (17...Qa5 18.Kf1 Rf7 19.Nc2=) 18.Nc4= Qb4 19.Bd2 Nd2 20.Nd2 Nd7 21.Rh5 Nf8 (better is 21...Bh6!? 22.f4 Nb6 23.Rf5 Nd5 24.Rf6 ef6+=) 22.Rb1+/- (22.Rf5 Ne6 23.Rf6 Qd4-/+; 22.Ng7?! Kg7 23.Rb1 Qd6 24.Rb7 Rc8+/-) 22...Qd6 23.Ng7 Kg7 24.Rf5 (24.Rb7 Rc8 25.Nf3 Rc1 26.Kd2 Ra1+=) 24...Rf5 25.Qf5 Ng6 (25...b6 26.Ne4 Qg6 27.Qe5 Kg8 28.Rb3+/-) 26.Ne4 (26.Rb7 Qa6 27.Rb1 Rf8+/-) 26...Qa6 (26...Qf4 27.Qf4 Nf4 28.Rb7+/-) 27.Ng5 Qf6 28.Ne6+- Kf7 29.Qh5 Qh4 30.Qf5 Qf6 31.Qe4 Rb8 32.Rb3+- Kg8 33.Rf3 Qh4 34.Qf5 Qh6 35.Ke2 Rc8 36.Kd3 Kh8?? 37.Ng5 Rf8 38.Nf7 Rf7 39.Qf7 Qc1 40.Qe8 Kg7 41.Qf7 Kh8 42.g3 Qd1 43.Ke4 Qc2 44.Rd3 a5 45.d6! ed6 46.Qf6 Kg8 47.Qd6 Qf2 48.Qd8 Kg7+/- 49.Qc7 Kh6 50.Qa5 Qe2 51.Re3 Qc2 52.Kf3 Qd1 53.Kg2 Qd4 54.Qe1 Qd5 55.Kh2 b5 56.Re2 Qc5 57.Qd2+- Kg7 58.Re1 Qh5 59.Kg2+- Qf5 60.Qd4 Kh6?? 61.Re2 Qc8 62.Ra2 Qc6+/- 63.Kh2 Qe6 64.Qd2+- Kg7 65.Ra7 Kg8 66.Qa2 Qa2 67.Ra2 Kg7 68.Rb2 Nf8 69.Rb5 Ne6 70.Kh3 Nf8 71.Kg4 Ng6 72.Kg5 h6 73.Kh5 Nf8 1–0. Shirazi,K (2415) – Nijs,N (2225), Open A Le Touquet FRA, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.h4 h5 7.Bc4 Bg7 8.c3 Nf6 9.f3 0-0 10.Ne2 d5 11.ed5 Nd5 12.Qb3 Nb6 13.Bd3 Nc6 14.g4 (14.Bg5 Be6 15.Qb2 Qd7-/+) 14...Qd5 (better is 14...hg4!? 15.fg4 Bg4-+) 15.Qd5+= Nd5 16.gh5 Bf5 (16...Nc3!? 17.Nc3 Nd4+=) 17.Bf5= gf5 18.Rg1 Kh7 19.Rb1 (19.Kd2 a6=) 19...b6 (19...Nc3 20.Rg7 Kg7 21.Nc3 Nd4 22.Bf4 Nf3 23.Kf2=) 20.Bd2 Bf6 21.Rh1 Rg8 22.Kf2 Rac8 23.Nf4 Nf4 24.Bf4 e5 25.de5 (25.Bg5!? Bg5 26.hg5 ed4 27.cd4 Nd4 28.Rb4+=) 25...Ne5-/+ 26.Be5 Be5 27.c4 Bd4 28.Ke2 Rg2 29.Kd3 Rd8 30.Nb5 Be5 31.Ke3 Rdd2 32.Rhe1 a6 33.Na7 Bg3 0–1. Vogiatzis,Dimitrios (2060) – Eppinger,Georg (2260), Nuremberg LGA Cup 4th, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    6.Bd3 Bg7

    7.c3 Nc6 8.Ne2 Nf6 9.0-0 0-0 10.f4 d5 11.e5 Ne4 12.Be4 de4 13.Ng3 f5 14.d5 Ne5 (14...Qb6!? 15.Rf2 Rd8+=) 15.fe5= Be5 16.Qb3 (16.Ne2 e6 17.Nc4 Bh2 18.Kh2 Qc7 19.d6 Qc4=) 16...Qb6 17.Qb6 ab6 18.Ne2 Rd8 19.Bf4 Rd5 20.Nc4 (20.Be5!? Re5 21.Nc4 Ra1 22.Ra1+=) 20...Ra1= 21.Ra1 Bf4 22.Nf4 Rc5 23.Nb6 e5 (23...Rc3? 24.Nfd5 Rc2 25.Ne7 Kf7 26.Nec8+-) 24.Ra8 ef4 25.Rc8 Rc8 26.Nc8 Kf7 27.Nd6 Ke6 28.Nb7 Kd5 29.Kf2 Kc4 30.Ke2 Kc3 31.Nd6 (31.Nc5!?=) 31...Kd4+= 32.Nf7 Kd5 33.Ng5 (better is 33.Kf2!?=) 33...h6-/+ 34.Nf7 Ke6 35.Nd8 Kf6 36.Nc6 g5 37.Kf2 h5 38.Ke2 h4 39.Nb4 g4 40.Nd5 Ke5 41.Ne7 Kf6 42.Nd5 Ke5 43.Ne7 f3 44.gf3 ef3 45.Kf2 Ke4 46.Ng8 g3! 47.hg3 hg3 48.Kg3 Ke3 49.Ne7?? f4-+ 50.Kh2 f2 51.Nf5 Kd2 (51...Kd2 52.Kh3 f1Q 53.Kg4 f3-+) 0–1. Matseyko,Ekaterina (2210) – Le Goff,Damien (2115), St Lorrain op U18, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6 5.Na3 g6)

    7.c3 Bd7 8.Ne2 Nf6 9.0-0 Nc6 10.f4 a6 11.Ng3 b5 12.Nc2 Qc8 (12...0-0 13.f5=+) 13.Bd2 (13.c4 Bg4 14.Qd2 b4=) 13...Rb8 (13...0-0 14.Qc1=+) 14.Qe2 White prepares the advance e5 (14.e5 Bg4 15.Qb1 Nd5=) 14...Nd8 (14...0-0!?=+) 15.Nb4= Ra8 (15...Rb6 16.f5=) 16.e5+= de5 17.fe5 Ng4 (17...Ng8 18.Ra3 h5 19.Rfa1+-) 18.h3 (18.e6 Be6 19.Na6 0-0 20.Bb5 Nb7+-) 18...Nh6 19.Nd5 Ra7 20.Bg5 (20.Nf6 Kf8+-) 20...Ng8 (20...Ne6!? 21.Ne7 Qc3=) 21.Ne4+- Kf8 (21...Qb8 22.Nc5 Ne6 23.Ne6 Be6 24.Nb4+-) 22.Qf3 (22.Nc5!? Bc6 23.Nb4+-) 22...Bc6+- 23.c4 Qa8 (23...h6 24.Bd2 bc4 25.Bc4 Bb7+-) 24.Rac1 (better 24.Nc5!? f6 25.Ra5+-) 24...h6= 25.Bh4 (25.Be3 Bd5 26.cd5 Qd5+-) 25...g5 (25...Bd5 26.cd5 Qd5+=) 26.Bg3+- bc4 27.Nb6 Qb7 28.Nc4 Bd5 (28...Qd7 29.Qf2 Ke8 30.Nc3+-) 29.Ne3 Ra8 (29...Bc6 30.Nf5+-) 30.Kh1 (30.Nd5 Qd5 31.Qf2 Qa5+-) 30...h5 (better 30...Bc6!?+-) 31.Nd5 g4 32.Qf2 (32.Qe2 Qd5 33.Nc5 gh3+-) 32...Qd5 33.Bc4?? (better 33.Nc5 h4 34.Bh4 Rh4 35.Qh4 Qd4 36.Be4+- (worse 36.Ba6 Nh6+-)) 33...Qe4= 34.Bf7 Nf6 35.ef6 Bf6 The isolani on d4 becomes a target (35...Kf7 36.fe7 Kg6 37.ed8Q Rhd8 38.Qf7 Kh7 39.Rf5+-) 36.Rce1 Qb7 (36...Qe1 37.Qe1 Nf7+- (37...Kf7? 38.Be5 Nc6 39.Qh4 Ne5 40.de5+-)) 37.Bg6+- Qb6 38.Bh4 (38.Be4 Ra7+-) 38...Kg7 39.Be4 (better 39.Bf6!? Qf6 40.Qe3 Qg6 41.Qe7 Nf7 42.Re6 Qe6 43.Qe6+-) 39...Ra7+= 40.Bf6 Qf6? (better 40...ef6 41.Qf5 Rh6=) 41.Qb2+- Qh6 42.d5 Kg8 43.d6! e6? (43...ed6 44.Qb6 Double attack (44.Qb6 Decoy); 43...Qd6) 44.Rf6 Rf7 (44...Qg7 45.Rg6 Qg6 46.Bg6+-) 45.Rh6 Rh6 46.Qe5 Rhf6 (46...Rff6 47.Qa5 Nf7 48.d7+-) 47.Qh5 gh3 48.gh3 Rg7 (48...Rf1 49.Rf1 Rf1 50.Kg2+-) 49.Rg1 (49.Rg1 Rg1 50.Kg1+-) 1–0. Ridolfo,Enrico (1850) – Vonhoff,Nils (2010), 6th Arco Christmas Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6 6.Bd3 Bg7)

    7.c3 Nf6 8.Ne2 0-0 9.0-0 Nc6 10.f4 e5 (10...d5!? 11.e5 Ng4+=) 11.fe5= de5 12.d5 Ne7 (12...Na5 13.Qa4=) 13.Bg5 Ne8 14.c4 b6 15.Rc1 (15.Qb3 Bg4=) 15...Nd6+= 16.Kh1 (16.c5 bc5 17.Rc5 f5+=) 16...h6 17.Be3 f5 18.ef5 (18.Nc3 fe4 19.Ne4 Nef5+=) 18...Nef5 (18...e4 19.Bb1 Nef5 20.Qb3 Ne3 21.Qe3-+) 19.Bf5-/+ Nf5 20.Bd2 Qh4 21.Qb3 Bd7 22.Nb5 Kh7 23.Rf3 e4 (23...Rfc8!?-/+) 24.Rf4+= Qg5 25.Bc3? (better is 25.g4!? e3 26.gf5 ed2 27.Rg1+=) 25...Nh4 (25...Ne3 26.g3 Qh5 27.Bd4 Rf4 28.Nf4 Qf3 29.Kg1 Bb5 30.Be3-+) 26.g3 Nf5 (better is 26...Qh5 27.Bg7 Qe2-+) 27.Bg7= Ng7 28.Rcf1 Rf4+= 29.Rf4 Re8 30.Nd6+= Re5? 31.Nf7+- Qe7 32.Ne5 Qe5 33.Qe3 Bf5 34.g4 Bd7 35.Re4 Qf6 36.Rf4 Qg5 37.Qf3 b5 38.cb5 Bb5 39.Nd4 Bc4 40.Ne6 Qd5 41.Ng7?? Qf3-+ 42.Rf3 Bd5 43.Kg2 Bf3 44.Kf3 Kg7 45.Ke4 Kf6 46.Kd5 Kg5 47.Kc5 Kg4 48.Kb5 Kh3 49.Ka6 Kh2 50.Ka7 g5 51.Kb6 g4 52.Kc5 g3 53.Kd4 g2 54.Ke4 0–1. Kelder,Hendrek – Georgiev,Ki (2645), Puhajarve EST, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 d6 5.d4 g6)

    7.c3 Nf6 8.f4 0-0 9.Nf3 Nbd7 (9...d5 10.ed5 Nd5 11.Qb3+=) 10.0-0 Nb6 11.h3 Ne8 12.f5 d5 13.fg6 fg6 14.e5 Bf5 15.Ra2 (15.c4 Bd3 16.Qd3 dc4 17.Nc4 Nd5+=) 15...Nc7 16.Raf2 Bd3 17.Qd3 Qd7 18.h4 Qg4 19.c4 dc4 20.Nc4 Qe6 (20...Nbd5 21.Ne3 Ne3 22.Qe3+=) 21.Ne3 (21.Nb6!? Qb6 22.Qc4 e6 23.Rb2=) 21...h6 22.Qe4 (22.Ba3 a5=) 22...Nbd5 23.Ng4 Qf5 24.Qf5 gf5 25.Nh6 Kh7 26.Nf5 (better is 26.Nf7! Kg6 27.N3g5=) 26...Rf5-/+ 27.Ng5 Rg5! 28.Bg5 (28.Bg5 Ne6 Decoy; 28.hg5 Ne6 Decoy) 28...Ne6 29.Bc1 a5 30.g4 a4 31.Rd1 (31.g5 Kg6 32.Rh2 Kh5-+) 31...a3 (31...b5 32.Rd3-+) 32.Rf3 a2 33.Bb2 Ra4 34.Ra1 (better is 34.Kf2-+) 34...Nd4 35.Bd4 Rd4 36.Ra2 Rg4 37.Rg2 Rg2 38.Kg2 Be5 39.Rb3 b6 40.Kf3 Bf6 41.Kg4 Bd4 42.Kf5 Nf6 43.Ke6 Bc5 44.Rb6?? Bb6 45.Ke7 Kg6 46.Ke6 Ng4 47.Kd5 Bf2 48.h5 Kh5 49.Ke4 Kg5 50.Kd5 Kf5 51.Kd6 Nf6 52.Kc6 Ke5 53.Kb5 Kd5 54.Kb4 Ne4 55.Kb5 Nd2 56.Ka6 Kc6 57.Ka5 Bd4 58.Kb4 Kb6 59.Ka4 Bc3 60.Ka3 Kb5 61.Ka2 Kc4 62.Ka3 Ne4 63.Ka4 Nc5 64.Ka3 Kd3 65.Ka2 Kc2 66.Ka3 Bd2 67.Ka2 Bb4 68.Ka1 Nd3 69.Ka2 Nc1 70.Ka1 Bc3 0–1. Meleshko,Vladimir – Punin,Andrey, UKR–ch sf U14, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    7.Ne2 Nc6 8.c3 Nf6 9.0-0 0-0 10.Kh1 Rb8 11.f4 a6 12.Nc2 b5 13.Rb1 Bb7 14.Ng3 Rc8 (14...Na5 15.Ne3-/+) 15.Qe1 (15.c4!? bc4 16.Rb7+=) 15...Na5-/+ 16.e5 Nd5 17.Ne4 Nc4 18.Qh4 de5 19.f5 (19.fe5 Ne5! 20.Bb5 ab5 21.de5 Nc3 22.Nc3 Rc3 23.Ne3-+) 19...Nf6 20.fg6 fg6 21.Bg5 Ne4 22.Be4 Be4 23.Qe4 Qd6 24.Qh4 Rf1 25.Rf1 Rf8 26.Re1 Rf7 27.h3 a5 28.Qe4 h6 29.Bh4 (29.Be3 ed4 30.Bd4 e5-+) 29...Qe6 (better is 29...ed4 30.Be7 Qe7 31.Qe7 Re7 32.Re7-+) 30.Qb7 Nd6 31.Qa8 Rf8 32.Qa5 Nf5 33.Bf2 Qb3 34.Ne3 Nd6 35.Bg1 ed4 36.cd4 Ne4 37.Qb6-/+ Kh7 38.Ng4 Ng3 39.Kh2 Nf1 40.Kh1-/+ Ng3 41.Kh2 Nf5 42.Qc7 Qc4 43.Qa7 Qc3 44.Re7 Qg3 45.Kh1 Ne7 46.Qe7 Rf1 47.d5 h5 48.Nh2 Rd1?? 49.Nf3-/+ Rd5 50.Bd4 Rd4 51.Ng5 Kh6 52.Nf7= Kh7 53.Ng5 Kh6 54.Nf7 Kh7 ½–½. Shivananda,B (2385) – Adhiban,B (2510), ch–Commonwealth, Delhi IND, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    7.Ne2 Nc6 8.c3 Nf6 9.0-0 0-0 10.Nc2 e5 11.f4 Bg4 12.fe5 de5 13.d5 Ne7 14.Ne3 Be2 15.Qe2 Ne8 16.c4 b6 17.c5 bc5 18.Ba3 Nd6 19.Bc5 a5 20.Rab1 Nec8 21.Nc4 Qc7 22.Be3 Nc4 23.Bc4 Nd6 24.Bd3 f5 25.Rfc1 Qd7 26.Bc5 Rac8 27.Rb6 fe4 (27...Ne4 28.Be4 fe4 29.Qd2-/+) 28.Ba6+= Rc7 29.Rc6 (better is 29.Qd2!? Nc8 30.Rb5=) 29...Rc6-+ 30.dc6 Qc6 31.Qa2 Kh8 32.Be2 Bh6 (32...Bh6 33.Rc2 Rc8-+) 0–1. Lauche,Christoph (1875) – Hort,V (2450), Oberhausen GER, Easter Open, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 g6)

    5.Nf3 Nf6

    6.Bb5 Nc6 7.d3 g6 8.Nc4 Bg7 9.Be3 Bd7 10.Bc6 bc6 11.Bd4 0-0 12.e5 de5 13.Be5 Bg4 14.Ne3 Bf3 15.Qf3 Nd5 16.Bg7 Kg7 17.0-0 a5 18.Ra4 Ne3 19.fe3 Qc7 20.Qf4 (better is 20.d4!?=) 20...Qf4-/+ 21.Rff4 Rfb8 22.Rfc4 Ra6 23.Kf2 Rb5 24.d4 Kf6 25.e4 Ke6 26.h3 Rab6 27.c3 Kd7 28.Kf3 f6 29.Kf4 e5 30.Ke3 Kd6 31.Kd3 Kc7 32.Ke3 ed4 33.Kd4 Rg5 34.g4 Rb1 35.Rc5 Rc5 36.Kc5 Rb5 37.Kd4 Kb6 38.Kc4 Rb2 39.Ra3 Rh2 40.Rb3 Kc7 41.Ra3 Rh3 42.Ra5 Kb6 43.Ra8 Rg3 44.Rb8 Kc7 45.Rh8 Kd6 46.Rh7 Rg4 47.Kd3 Rg3 48.Kd4? (48.Kd2 c5-+) 48...c5-+ 49.Kc4 Re3 50.Rh4 g5 51.Rh6 (51.Rg4-+) 51...Re4 52.Kb5 Rf4 53.Rh8 Rf1 54.Rd8 Ke5 55.Kc5 g4 56.Rd5 Ke4 57.Rd4 Kf3 58.Rd5 g3 59.Rf5 Ke2 (59...Ke2 60.Rh5 g2-+) 0–1. Pittag,Andreas (1705) – Niemers,Johannes (2025), Duisburg Grossenbaum op, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.Bb5 Bd7 7.Qe2 a6 8.Bc4 e6 9.0-0 Be7 10.d4 0-0 11.Bd3 Bc6 12.Bf4 b5 13.c3 Qc8 14.Ng5 h6 15.Nh3 Nbd7 16.e5 de5 17.de5 Nh7 18.Qh5 Rd8 (better is 18...Nc5!? 19.Bh7 Kh7-+) 19.Bh6 gh6 20.Qh6? (better is 20.Bh7 Kg7 21.Rfe1-/+) 20...Ndf8-+ 21.Rad1? (21.Qe3 Qc7-+) 21...f5 (better is 21...Qb7!? 22.Nc2 Bg2 23.Nd4 Bf1 24.Bf1-+) 22.ef6 Bf6 23.Rfe1 Bg7?? (23...Bc3 24.Bh7 Nh7 25.Rd8 Qd8 26.Qe6 Kh8 27.Rc1-+) 24.Qh4?? (better is 24.Bh7 Kh8 25.Qh5+-) 24...Qb7?? (24...Bc3 25.Qg4 Kh8 26.Bh7 Nh7-+ (26...Kh7?? 27.Ng5 Kh6 28.Rd8 Qd8 29.Nf7 Kh7 30.Nd8 Rd8 31.Re3+-)) 25.Bh7+- Nh7 26.Rd8 Rd8 27.Qd8 Bf8?! 28.Ng5 Qg7 29.h4 Ng5+/- 30.Qg5 Qg5 31.hg5 Ba3 32.Re6 Bb7 33.Rb6 Bd5 34.Ra6 Bb2 35.Rd6 Bc4 36.Rg6 Kf7 37.Rf6 Kg7 38.Rf3 Kg6 39.Rg3 Ba3 40.Re3 Kg5 41.Kh2 Bd6 42.g3 Bc7 43.Kg2 Ba5 44.Kh3 Bf1 45.Kh2 Bc4 46.f4 Kf5 47.Re5 Kf6 48.Re3 Kf5 49.Kh3 Bf1 50.Kh4 Bd8 51.Kh5 Bc4 52.Re5+/- Kf6 53.g4 Ba5 54.g5 Kg7 55.Re7 Kf8 56.Re3 Bb6 57.Rh3 Kg7 58.Kg4 Be2 59.Kf5 Bf1 60.Rf3 Be2 61.Rh3 Bf1 62.Rh1 Bd3 63.Ke5 Bc7 64.Kd4 Bc4 65.f5 Bb6 66.Ke4 Ba5 67.Rh3 Bf1 68.Rg3 Bc7 69.Rg1 Bc4 70.Ra1 Bb6 71.Ra6 Bf2 72.Rc6 Bg3 73.Rb6?? Be1+= 74.Rb7 Kf8 75.f6 Bc3 76.g6?? Bf6-/+ 77.Rf7?? Bf7-+ (77...Bf7 78.gf7 b4-+) 0–1. Menz,Fernando – Edel,Jochen, Hassloch op–B, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.Bb5 Bd7 7.Qe2 Bb5 8.Nb5 Nc6 9.0-0 a6 10.Nc3 e6 11.e5 de5 12.Ne5 Ne5 13.Qe5 Bd6 14.Qg5 0-0 15.Bb2 h6 16.Qh4 Be7 17.Qg3 Qd6 (17...Qd2?! 18.Ne4 Nh5 19.Nd2 Ng3 20.hg3=) 18.Qf3 (18.Qe3 b5-/+) 18...b5 (better is 18...Qd2!? 19.Ne4 Ne4 20.Qe4 Qd5-+) 19.Nb5-/+ Qb6 (19...Qd2!? 20.Nd4 Nd5-/+) 20.Ba3 Ba3 (worse is 20...ab5 21.Be7 Ra1 22.Ra1+/-) 21.Na3 Rac8 22.d3 Rfd8 23.Nc4 Qc6 24.Qg3 Ne4 25.Qe5 Nd6 26.Ne3 Nb5 27.h3 Nd4 28.Qa5 Ra8 (28...Nc2? 29.Rfc1+-) 29.Rab1 Rdb8 (29...Nc2? 30.Rfc1+-) 30.Qe5 Nb5 (30...Rb1!? 31.Rb1 Qc3+= (31...Nc2? 32.Rc1+-)) 31.c4= Qd6?? (better is 31...Nc7=) 32.Qa1?? Nd4+= 33.Qa2 Rc8 34.Rb7 Rcb8 35.Rfb1 Rb7 36.Rb7 a5 37.Qa4 Qc5 1–0. Fischer,Manfred1 (1775) – Vogelgesang,Marc, Frankfurt–ch, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.Bb5 Bd7 7.Qe2 e5 8.d4 Nc6 9.0-0 (9.d5 Nb8=) 9...Be7 (9...ed4 10.Re1+=) 10.Bc6 (10.d5!? Nb8 11.Qd3=) 10...Bc6-/+ (worse is 10...bc6 11.de5 de5 12.Ne5+=) 11.de5 de5 12.Rd1 Qb8 13.Bb2 Nd7 (worse is 13...Ne4 14.Ne5 Nf6 15.Nc6 bc6 16.Bf6 gf6 17.Nc4+/-) 14.Nc4 f6 15.Ba3 Nc5 16.Na5 (16.Nd4 Bd7= (16...Be4? 17.Bc5 Bc5 18.Qe4+-)) 16...Qc7+= 17.Nc6 Qc6 (worse is 17...bc6 18.Bc5 Bc5 19.Qc4+=) 18.Ne5? (better is 18.Rd5 b6 19.Nh4+=) 18...fe5-+ 19.Qh5 g6 (19...Qg6!? 20.Qe5 Qf6-+ (20...Qe4?? 21.Qg7 Rf8 22.Re1+-)) 20.Qe5-/+ Rf8 21.Rd5 b6 22.Rad1 Qf6 23.Qg3 Qf4 24.Re5 (24.Qf4 Rf4 25.f3 Rf7-+) 24...Qg3 25.hg3 Rd8 (25...Rd8 26.Red5 Rc8-+) 0–1. Engel,Gunnar – Kupfernagel,Michael, Mecklenburg VP LL, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.Bb5 Nbd7 7.Bd7 Nd7+= (7...Kd7?! 8.Qe2=).

    6.c3 Nc6 7.Qc2 g6 8.d4 Bg7 9.Be2 0-0 10.0-0 Bd7 11.Bb2 Rc8 12.Bc4 a6 13.Ba2 Nb4! 14.Bf7 (14.cb4 Rc2) 14...Rf7-+ 15.Qb3 Nd3 16.Ng5 e6! 17.Nf7 (17.Ne6 Ne4) 17...Kf7 (17...Nb2?? 18.Nd8 Rd8 19.Qb2 Ne4 20.Rfe1+-) 18.f3 Nh5 19.Bc1 Nc1 20.Rac1 Qc7 21.f4 Bh6 22.Rf3 Kg7 (22...Nf4?! 23.g3=) 23.g3 e5 24.Rcf1 (24.Rb1 Bg4 25.Rd3 ef4 26.c4-+) 24...Bg4 25.R3f2 Bh3 26.Rb1 ef4 27.Qd5? (27.gf4 Bf4 28.Qb7 Qb7 29.Rb7 Kh6 30.Rf3-+) 27...b5 (worse is 27...fg3 28.hg3 Qc3 29.Qd6-+) 28.Qa2 (28.Rc2 Qe7 29.e5 de5-+) 28...fg3 (28...Qc3!? 29.g4 Qc1 30.Rf1 Qe3 31.Qf2 Bf1 32.Qe3 fe3 33.Kf1-+) 29.Rf3 Bg4 (29...Bg4 30.Rbf1 Bf3 31.Rf3 gh2 32.Kh2 Qe7-+) 0–1. Barbaro,Michele – Falcone,Giancarlo, ITA–chT3 corr, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.c3 g6 7.Bd3 Bg7 8.Bc2 0-0 9.0-0 Nc6 10.d4 Bg4 11.h3 Bf3 12.Qf3 a6 13.e5 (13.Rd1 Qc7+=) 13...Ne8 (13...de5!? 14.de5 Nd5-+) 14.ed6 Nd6 15.Rb1 Rc8 16.Bd2 (16.Rd1 b5-/+) 16...b5 17.Bb3 (17.Rfd1 b4! 18.Ba4 Nd4 (18...ba3?! 19.Bc6 Qc7 20.d5=) 19.cd4 ba3-/+) 17...Na5 (17...e5 18.d5 e4 19.Qe3-+) 18.Ba2 Nac4 19.Bc4 Nc4 (worse is 19...Rc4 20.Nc4 Nc4 21.Bf4+=) 20.Nc4 Rc4 21.Rfe1 (better is 21.Qb7!? Qd6 22.Ra1+=) 21...e5!-+ 22.Qb7 ed4 23.cd4 Qd4 24.Be3 Qf6 25.Ra1 Qc6 (25...Qc6 26.Qa6 Ba1 27.Qa1 Re8-+; 25...Qa1?! 26.Ra1 Ba1 27.Qa6-/+) 0–1. Palacios de la Prida,E – Saborido Carre,R, ESP–ch, 1964. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.d3 Nc6 7.Bd2 e6 8.c3 Be7 9.Qc2 0-0 10.d4 d5 11.e5 Ne4 12.Bd3 f5 13.ef6 Nf6 14.Ne5 Ba3 15.Ra3 (15.Nc6!? bc6 16.Ra3-/+) 15...Qd6-+ 16.Nc6 Qa3 (16...bc6?! 17.Qa2+=; 16...Qc6?! 17.0-0+=) 17.Ne5 Qe7 18.0-0 a6 19.Bg5 Qc7 20.f3 b5 21.Rc1 Bb7 22.Qf2 h6 23.Bf4 g5 24.Bg3 Qg7 25.Qe2 Nd7 26.Ng4 Rae8 (26...Rfe8!?-/+) 27.Bd6+= Rf7 28.Qc2 h5 29.Ne5 Rf6 30.Bg6 Rc8 (30...Ne5!? 31.Be8 Nc4-/+) 31.Bh5= Rh6 32.Bf7 Kh8 33.Nd7 (33.Ng6!? Rg6 34.Bg6=) 33...Qf7+= 34.Be5 Kg8 35.Nc5 Qe7 36.Rf1 (36.Qd2!? Rc5 37.dc5 Qc5 38.Bd4=) 36...Rc5-/+ 37.dc5 Qc5 38.Bd4 Qd6 39.g3 e5 40.Be3 Rg6 41.Qf5 Qf6 42.Qd7 Qf7 43.Qd8 Kg7 (43...Qf8!? 44.Qc7 Qg7 45.Qb8 Kh7-/+) 44.Bg5+= Rc6 ½–½. Vozak,Jaromir (1910) – Beranek,Ondrej (1895), CZE–ch Juniors op–A, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    6.Bd3 Nc6 7.Rb1 (7.0-0 e5-/+) 7...e6 (7...e5 8.0-0-/+) 8.0-0 Be7 9.Re1 0-0 10.h3 (10.Bb5 a6 11.Bc6 bc6-/+) 10...b6 11.Bb5 Ne5 (11...Bb7 12.c4-/+) 12.d4+= Nf3 13.Qf3 Bb7 14.Bd3 Qc8 15.Rb3 (15.c4 Re8+=) 15...Nd7 (15...d5 16.e5 Ne4 17.Qg4-/+) 16.Qg3 Rd8 (16...Kh8 17.Nb5 Qb8 18.Ba3+=) 17.Bb2 (17.Bh6 Bf6 18.Nb5 Nf8=) 17...Ba6 (17...d5 18.e5+=) 18.Nb5 (18.Rc3 Qb7=) 18...Bb5+= 19.Rb5 a6 20.Rb3 b5 21.Rc3 Qb8 22.Rb3 Qc7 23.d5 (23.Ra1 Bf6+=) 23...Bf6-/+ 24.de6 fe6 25.Bf6 Nf6 26.e5 de5 27.Re5 Nd7 (better is 27...Rd5 28.Re6 Qg3 29.fg3 Nd7+=) 28.Bh7+= Kh8 (28...Kh7 29.Rh5 Double attack) 29.Rh5 Qg3 30.Bf5 (30.fg3? Nf6 31.Bg6 Nh5 32.Bh5 Rac8-+) 30...Kg8 31.Be6 (31.Rg3? ef5 32.Rf5 Nb6-+) 31...Kf8 32.Rg3 Nf6 33.Rh8 Ke7 34.Rd8 Rd8 35.Bb3 Ne8 36.Re3+/- Kd7 37.c4 Rb8 38.cb5 ab5 39.Kf1 Rb7 40.Ke2 Nd6 41.Kd3 Kc6 42.Re5 Rd7 43.Bd5 Kb6 44.Kc3 Rc7 45.Kb4 Rc2 46.f4 Rf2 47.g3 Rh2 48.h4 1–0. Morcom,H (2020) – Bareham,D (2150), 29th Guernsey Open, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Nf3 Nf6)

    6.Bd3 g6 7.0-0 Bg7 8.Bb2 0-0 9.Re1 Nc6 10.h3 (10.Bc4 Bg4=+) 10...Bd7-/+ 11.Rb1 b6 (11...Qc7 12.Nb5 Qc8 13.e5 de5 14.Ne5-/+) 12.Nc4 White intends e5 (12.Ba6 Bc8 13.Bc8 Qc8 14.Bf6 Bf6=+) 12...Rc8 (12...Be6 13.Ng5-/+) 13.e5=+ de5 14.Nce5 Ne5 15.Ne5 Bf5 (15...Ba4!?-/+) 16.Bf5= gf5 17.d4 (17.c4 e6=) 17...e6=+ 18.Qe2 Nd5 (18...Ne4 19.Ra1 a5 20.f3-/+) 19.c4 (19.Ra1 a5 20.c4 Nf4=+) 19...Nf4 20.Qf1 Ng6 (20...Qc7 21.d5=+) 21.Qe2 (21.Ra1 Qc7=+) 21...Ne5 (21...Be5 22.de5 Nf4 23.Qf3 Rc4 24.Rbc1-/+) 22.de5 Qc7 (22...Qh4 23.Ra1 a5 24.Ra4-/+) 23.Rbc1 (23.Ba3 Rfd8 24.Rbc1 Rd4=+) 23...Qc5 24.Ra1 Qc4 25.Ra7 (25.Qc4 Rc4 26.Ra7 Rc2=+) 25...Qe2-/+ 26.Re2 Rfd8 27.Re3 (better 27.Rb7!? Rc6 28.Kh2-/+) 27...Rd1-+ 28.Kh2 Rd2 29.Rb3?? (better 29.Ba3 f4 30.Rc3-+) 25…Rb2! (29...Rb2 30.Rb2 Be5 31.f4 Bb2-+) 0–1. Eydsteinsson,Silas – Thybo,Jesper Sondergaard, RunavAAk Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Nf3 Nf6)

    6.Bd3 g6 7.Bb2 Bg7 8.0-0 0-0 9.h3 (9.Nc4 Nc6+=) 9...Nbd7 10.e5 (10.Nc4 Nc5-/+) 10...de5-/+ 11.Ne5 Ne5 (11...Nc5 12.Nac4-/+) 12.Be5+= Bd7 13.Re1 Bc6 14.Qe2 (14.Bb5 Qd5 15.Bc6 Qc6+=) 14...Qd5 15.Qf1 (15.f3 Rfd8+=) 15...Rfd8 (15...a5 16.Nc4 Qd8 17.Bb2-/+) 16.Nc4+= b6 17.Bc3 (17.Bb2 Qd7+=) 17...e6 18.Ne5 Bb7 19.Bc4 Qd6 (19...Qc5 20.d4 Rd4 21.Bd4 Qd4 22.Rad1+=) 20.Nf7= Kf7 21.Re6 Qe6 22.Be6 Ke6 23.Re1 Kf7 24.Qe2 Re8 25.Qc4 Nd5 26.Re8 Re8 27.Qa4?? (27.Bg7 Kg7 28.Qa4 Re7 29.Qa7 Kf7=) 27...Re7?? (better is 27...Nc3 28.dc3 Re4 29.Qa2 Re6-+) 28.Qa7?? b5 29.Bg7= Kg7 30.Qd4 Kf7 31.c3 h5 32.d3 Rc7 33.c4 bc4 34.dc4 Nf6 35.Qf4 Re7 36.Kh2 Re4 37.Qc7 Re7 38.Qb6 Be4 39.f3 Bf5 40.Qd4 Be6 41.g4 hg4 42.hg4 Rc7 43.c5 Nd5 44.Kg3+= Ne7?? 45.Qf4+- Nf5 46.gf5 Rc5 47.fe6 Ke6 48.Qe3 Kd5 1–0. Kulkarni,Rakesh (2220) – Kunte,Abhijit (2480), Pune IND, Maharashtra Team Ch, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 ba3 4.Na3 d6 5.Nf3 Nf6)

    6.e5 de5-/+

    7.Bb5 Nc6!? 8.Bb2 e4 -/+.

    7.Bb5 Nc6 8.Ne5 -/+.

    7.Bb5 Bd7 8.Ne5+= a6 9.Be2 Bc6 10.Nc6 Nc6 11.0-0 e6 12.Bb2 Be7 13.c4 0-0 14.Nc2 Qb6 15.Rb1 Qc7 16.Nd4 Rfd8 17.Nc6 bc6 18.d3 a5 19.Qa4 Nd7 20.Rfd1 g6 21.d4 Nb6 22.Qa2 a4 23.g3 a3 24.Ba1 c5 25.Bf3 Ra6 26.Qe2 a2 27.Rbc1 Nd7 28.d5 Qa7 29.Bg4 Nf8 30.Re1 Rb8 31.Qc2 Rbb6 32.Bh3 Ra3 33.de6 (33.Qe2!?+=) 33...Ne6-/+ (worse is 33...fe6 34.Rcd1+=) 34.Be6 fe6 (worse is 34...Re6 35.Re6 fe6 36.Qb2+=) 35.Rcd1 Bf8 36.Qe4 Raa6 37.Qe5 Qg7 38.Qe3 Qc7 39.Qc3 e5 40.Re5 Rb1 41.Ree1 Ra1 42.Ra1 (42.Qa1?? Bg7 43.Qc1 a1Q 44.Qa1 Ra1 45.Ra1 Ba1 46.Ra1 Qe5-+) 42...Bg7 43.Qd2 Ba1 44.Ra1 Qa7 45.Qd5 Kh8 ½–½. Kirwald,Franz (2385) – Faber,Hans_Alban (2460), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.Nf3 Nf6 6.e5 de5)

    7.Ne5? Qd4 8.Bb5 Nc6 9.Bb2 Qb2 10.c3 -+.

    7.Ne5? Qd4 8.Bb5 Nc6 9.Bb2 Qe4 10.Kf1 +=.

    7.Ne5? Qd4 8.Bb5 Nbd7 (8...Nc6!? 9.Nc6 Qa1 10.Ne5 Bd7 11.Nd7 Nd7 12.0-0-/+.

    7.Ne5? Qd4 8.Bb5 Nbd7 9.Nd7-/+ Bd7 10.Bd7 Qd7 (10...Nd7 11.c3 Qe4 12.Kf1-/+) 11.d4 g6 (11...e6 12.0-0-/+) 12.0-0 Bg7 13.c3 0-0 14.Nc4 (14.Qd3 Rfc8-/+) 14...b5 (14...Qc7 15.Qb3-/+) 15.Ne5 Qd5 16.Ba3 Rfe8 17.Qe2 e6 18.Rab1 (18.Bb4 a6-/+) 18...a6 (18...Ne4 19.Rfc1 a6-/+) 19.c4 (19.Rfe1!?-/+) 19...bc4 20.Nc4 Qd4 21.Rb7 (21.Nd6 Red8-+) 21...Qe4 22.Qe4 Ne4 23.f3 (23.Rd1 Reb8 24.Rbd7 Nc3-+) 23...Nc3 (23...Bd4!? 24.Kh1 Nf2 25.Kg1 Nd3 26.Kh1-+) 24.Nd6 Reb8 25.Rd7 Nb5 26.Nb5 ab5 27.Bb4 Rd8 28.Rb7 (28.Rfd1 Rd7 29.Rd7 Be5-+) 28...Rab8 29.Rc7 Rd5 (29...Bd4 30.Kh1-+) 30.Rb1 (30.Rfc1 Be5 31.R7c6 Kg7-+) 30...h5 (30...Bd4 31.Kh1-+) 31.Kf2 (31.Bc3 Bc3 32.Rc3 b4-+) 31...Rbd8 (31...Bd4 32.Ke2-+) 32.g3 Rd3 (32...Be5 33.Rc2-+) 33.Rb7 (33.Ke2 R3d7 34.Rd7 Rd7-+) 33...R8d5 (33...Ra8 34.Kg2-+) 34.Kg2 (34.Ke2 Bh6-+) 34...Rf5 35.f4 Rfd5 (35...Kh7 36.Kf2-+) 36.Kh3 (36.Be1 e5-+) 36...Re3 (36...h4 37.Rc1 Rh5 38.Kg2 h3 39.Kf2 Bd4 40.Ke2 Re3 41.Kf1-+) 37.Rb8 (37.Be7 Re2 38.R7b5 Rdd2-+) 37...Kh7 38.Rb7 Rf5 39.Bd6 Re2 (better 39...Rd3!? 40.Bb8 Rdd5-+) 40.R1b5-/+ Rb5 41.Rb5 Rc2 (41...Kh6 42.Be7 f6 43.Rb7-/+) 42.Bc5 (42.Rb7 Rd2 43.Ba3 Rd3-/+) 42...Bf6 43.Be3 Kg7 44.Rb7 Re2 45.Bc5. Trost,Edvin (2180) - Cramling,Pia (2455), Titled Tuesday, 2020. (=1.Nf3 c5 2.e4 d6 3.b4 cb4 4.a3 ba3 5.Na3)

    7.Ne5? Qd5?? 8.Bb5?? (better is 8.Qe2!? Bd7 9.c4+=) 8...Nbd7 (8...Nc6 9.Bc6 bc6 10.Nf3-/+) 9.Nd7 Bd7 (9...Nd7?! 10.0-0=) 10.Rb1?? (better is 10.Bd7 Nd7 11.0-0-/+) 10...Bb5 11.Nb5 Qe5?? (better is 11...Qg2 12.Rf1 Rd8 (12...Qh2?! 13.Qf3 Qb8 14.Nc3-/+) 13.Nc7 Kd7-+) 12.Qe2+= Qe2 13.Ke2 Kd7 14.Bb2 Nd5 15.Rhc1 f6 16.d4 a6 17.Na3 b5 18.c4 Nf4 19.Kd2? b4 20.Nc2 a5 21.Ra1 e6 22.g3 Nh3 23.Ke2 h5 24.Ra4 Bd6 25.c5? Bc7-/+ 26.Rca1 Rab8 27.Ne3 Rb5 28.Nc4 Ra8 29.Bc1 Kc6 30.Bd2 Kd5 31.Nd6?? Bd6-+ 32.cd6 Kd6?? 33.Bb4+= Kd5 34.Bc3 Ng5 35.Kd3 Ne4 36.Be1 Rb3 37.Kc2 Rab8 38.Ra5= R8b5 39.Rb5 Rb5 40.f3 Nd6 41.Bc3 Nc4 42.Ra7 Ne3 43.Kd3+= Nf5 44.g4 Nh4 45.Rg7+= Nf3 46.gh5 Nh2 47.h6+- Rb8 48.Rg2 Nf3+= 49.Rf2 Ng5 50.Rf6+/- Rh8 51.Rg6 Nf7 52.Bd2 e5 53.Rg4 Nh6= 54.Rh4 ed4?? 55.Bh6+- Ke6 56.Re4 Kf5 57.Bg7 Rh3 58.Kd4 Rg3 59.Re5 Kg6 60.Bf8 1–0. Siegel,Rainer – Sprandl,Manfred, Dotzheim op 1st, 2002. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.a3 ba3 5.Na3 Nf6)

    7.Ne5? g6?? 8.Bc4? (8.Nb5 a6 9.Bc4 e6=) 8...e6 (better is 8...Qd4 9.Bb2 Qb2 10.Nf7 Bg7-/+) 9.Bb2 Be7 10.Ng4 (10.0-0 0-0=) 10...h5 (10...0-0 11.Nh6 Kg7 12.Ng4+=) 11.Ne5 Nbd7 12.Qe2 0-0 13.0-0 Nh7?? (better is 13...Ne5 14.Be5 Bd7=) 14.Ng6+- fg6?? (14...Ba3 15.Ra3 Re8+-) 15.Qe6 (15.Qe6 Rf7 16.Qf7) 1–0. Griess,E – Schirrer,A, Nice, 1938. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3 5.Na3 Nf6)

    4.Na3 e5

    5.Bb2 Nc6 6.Bc4 Nf6-/+ 7.Nb5 Bc5 8.Nf3 d6 9.0-0 0-0 10.Bc1 Ne4-+ 11.d4 ed4 12.Bh6?? gh6 13.Qd3 Bf5 14.Nbd4 Bg6 15.Ne6 fe6 16.Be6 Kh8 17.Bf5 Bf5 18.Qb3 Bg4 19.Qb2 Qf6 20.Qb7 Bf3 21.gf3 Rg8 22.Kh1 Qf3# 0–1. interloper – Bazza3, ChessWorld.net, 2010.

    5.Bb2 Nc6 6.Nf3 Qc7 7.Bc4 (7.Nb5 Qb8=) 7...Be7 8.Nb5 Qb8 9.d4 a6 10.Nc3 ed4 11.Nd4 Nf6 12.Nf5 0-0?? (12...b5 A) worse is 13.Ng7 Kf8 14.Bb3 Qe5+= (worse is 14...Kg7 15.Nd5+/-); B) 13.Bd5 Bf8 14.Ne2=) 13.0-0?? (13.Nd5 Bb4 14.Nb4 Nb4+-) 13...Bb4?? (better is 13...d6 14.Nd5 Bf5 15.Bf6 Bf6 16.Nf6 gf6 17.ef5 Ne5+=) 14.Nd5+- Nd5 (14...Ne8 15.Qg4 Ne5+-) 15.Qg4 (15.Qd5?! Qf4 16.Bg7 Ne7 17.Ne7 Kg7 18.Qd4 f6 19.Nf5 Kh8+-; 15.ed5 Qf4 16.Bd3 Ne7+-) 15...Bc3 (15...Qe5 16.Be5 Ne5 17.Qg7) 16.Bc3 (16.Bc3 Qh2 17.Kh2 Nc3 18.Qg7) 1–0. Klingenberg,Dietrich (1670) – Frish,Vladislav, Greifswald op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e5)

    5.Bb2 Nc6 6.Nf3 d6 7.Bc4 Be7 8.0-0 Nf6 9.d4 ed4 10.Nd4 Nd4 (10...Ne4 11.Nc6 bc6 12.Re1+=) 11.Qd4= 0-0 12.Nb5 a6 13.Nc3 Ng4 14.Nd5 Bf6 15.Nf6 Qf6 16.Qb6? (better is 16.Bd5!?=) 16...Qf4-/+ 17.g3 Qh6 (better is 17...Qe4!? 18.Bd3 Qd5-/+) 18.h4+= Ne5 19.Bd5 Bh3 (better is 19...Nd7!? 20.Qc7 Nc5=) 20.Be5+= de5 21.Qh6 gh6 22.Rfb1 Rac8 (22...Bc8!?+=) 23.c4+/- Bd7 (23...b5!? 24.cb5 ab5 25.Rb5 Rfd8+/-) 24.Rb7+- Bc6 25.Rb6 (25.Re7!? Bd5 26.cd5 f5 27.Ra6 fe4+-) 25...Bd5 26.cd5 f5 27.ef5 Rf5 28.Rba6 e4 29.d6 Rd5 30.Ra8 (30.R1a4 Re8+-) 30...Ra8 31.Ra8 Kg7 32.Ra7 Kf8 33.Ra6 Kf7 34.Kf1 Ke6 35.d7! Kd7 36.Rh6 Ra5 37.Rh7 Ke6 38.Rh6 Kf7 (38...Kd7 39.Ke2+-) 39.Ke2 1–0. Krieg,Peter (1655) – Nikanorov,Dimitri, SMSN op Germany, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e5)

    5.Bb2 d6 6.Bc4 Nf6 7.Qe2 Be7 8.Nf3 0-0 9.0-0 Nc6 10.Rfb1 a6 11.Bc3 Bg4 12.Rb7= Rc8 13.h3 Bf3 14.Qf3 Nd7 15.Bd5 Nc5 16.Rbb1 Nb8 17.Nc4 Bg5 18.Rb6 Be7 19.Ba5 Qd7 20.Rbb1 Bd8 21.Bb4 Ne6? 22.Bd6 Rc4 23.Bf8 Rc8 24.Rb7 Nd4 25.Qf7 Qf7 26.Rf7 Kh8 27.Bg7 Kg8 28.Rc7 Ne6 29.Be6 1–0. usingprogram – tarikatsky, internet, 2011.

    5.Bb5 Nf6 6.Nf3 a6 7.Ne5?? ab5-+ 8.d4 Ne4 9.Nf7 Kf7 10.Qf3 Nf6 11.Bg5 Ba3 12.0-0 d5 13.Rae1 Re8 14.Bf6 Re1 15.Bd8+- Ke8 16.Re1 Kd8 17.Qd5 Bd7 18.Qg8 Kc7 19.Qg7 Ra4 20.d5 h5 21.Qc3 Kb6 22.Qf6 Ka7 23.d6 Rc4 24.Qe5 h4 25.Qe3 Bc5 26.Ra1 Na6 27.Qe7 Bc6+/- 28.Qe6 Rc2= 29.d7?? Rf2-+ 30.Qc6?? Rf1. interloper – Pemp_Slider, ChessWorld.net, 2010.

    5.Bc4 Bc5 6.Qh5 Nh6?? 7.d4?? Bd4-/+ 8.Bh6 Qf6 9.Bg5?? Qf2-+ 10.Kd1 0-0 11.Nh3?? Qg2 12.Rg1 Qe4 13.Bd3=+ Qd5?? 14.Qh7# 1–0. rthurc (2250) – wwidener (1800), net–chess.com, 2009.

    5.Bc4 Nf6 6.Bb2 Ba3 7.Ba3 (7.Ra3 d6+=) 7...d6 (7...Ne4 8.Qh5 Qf6-/+) 8.d4? (8.Qe2 a6+=) 8...0-0 (better is 8...Ne4!? 9.Ne2 Qa5 10.c3 Qc7 11.Qa4 Bd7-/+) 9.de5+= Qa5 10.Qd2?? (better is 10.Kf1 Ne4 11.Nf3-/+) 10...Qd2 (better is 10...Qe5 11.c3 Qe4 (11...Ne4?! 12.Nf3 Qa5 13.Qe3 Qc3 14.Qc3 Nc3 15.Bd6 Re8 16.Ne5-+) 12.Be2 Qg2-+) 11.Kd2+= Ne4 12.Ke3 Bf5 13.Bd5 Nc6? 14.Be4+- Be4 15.Ke4 Rac8? 16.Bd6 f6 17.f4 Rfd8 18.Rd1 fe5 19.Nf3 ef4 20.Kf4 Re8 21.Nd4 0-1. Salas,Zarkis - Nessi,Tomas, Pan American-ch U10, 200-1. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.d4 Ba3 6.Ra3= Nc6 7.Nf3 d6 8.Bb5 Bd7 9.de5 de5=+ 10.0-0 a6 11.Bc6 Bc6 12.Ne5 Qd1 13.Rd1 Be4? 14.Re3+- f5 15.f3 Nf6 16.fe4 Ne4 17.Ba3 Rc8? 18.Rd7 Nc5 19.Rg7 f4 20.Re1 Kf8 21.Rb7 Kg8 22.Bc5 Rc5 23.Ng4 (23.Ng4 Kf8 24.Nh6 Rf5 25.Rb8 Kg7 26.Nf5 Kg6 27.Rh8 Kf5 28.Rh7 Kg5 29.Ra7 Kf5 30.h3 f3 31.gf3 Kf4 32.Kf2 Kf5 33.Ra6 Kf4 34.h4 Kf5 35.c4 Kf4 36.Rf6) 1–0. De Baere,David – Haase,Peter, IECC, 1997.

    5.Nf3 d6 6.d4 Nc6 7.de5 (7.d5!? Nb8 8.Bd3=) 7...de5+= 8.Qd8 Kd8 9.Bb2 f6 10.Be2 Bb4 11.c3 Bc5 12.Nb5 Bd7 13.0-0 a5 14.Rfd1 Nge7 15.Nd2 a4 16.Nc4 Nc8 (better is 16...Ng6+=) 17.Bg4 h5?? (better is 17...Nb8 18.Rd7! Nd7+-) 18.Rd7+- Ke8 19.Nc7 Kf8 20.Bf5 N8e7 (20...g6 21.Bg6 N8e7 22.Na8 Ng6 23.Nab6+-) 21.Na8 b5 (21...g6 22.Bh3 g5 23.Nc7+-) 22.Nc7 bc4 23.Ne6 Kg8 24.Nc5 Nf5 25.ef5 h4 (25...Kh7 26.Ne6 Rb8 27.Bc1+-) 26.Ra4 (26.Ra4 Kh7 27.Ne6+-) 1–0. Graessl,Bodo – Schneider,HA, GER theme, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e5)

    5.Nf3 Nc6

    6.Bb2 Bc5 7.Nc4 (better is 7.Ne5!? Bf2 8.Kf2 Qb6 9.Kg3 Qb2 10.Nac4=) 7...d6-/+ 8.d4 ed4 9.Nd4 Nf6 (9...Qh4 10.Ne3 Nf6-/+ (10...Qe4?! 11.Nc6 Qc6 12.Bg7 Bb4 13.Ke2+=)) 10.Nc6+= bc6 11.e5 (11.Bd4!? Ne4 12.Bc5 dc5 13.Qd8 Kd8 14.Nb6+=) 11...Ne4-/+ 12.Nd6 Nd6 (12...Bd6?! 13.ed6 0-0 14.Qd4=) 13.ed6 0-0 (13...Bd6?! 14.Bg7 Rg8 15.Qd4+=) 14.Be2 Qb6 (14...Bd6?! 15.Qd4 Qf6 16.Qf6 gf6 17.Bf6=) 15.Rb1 Bf2 (15...Qb4!? 16.c3 Qh4-/+) 16.Kf1+= Bh4 17.Bd4 (17.Qd4 Qd4 18.Bd4 Rd8-/+) 17...Qa5 18.Bf3 (better is 18.c4-/+) 18...Re8 (better is 18...Rd8 19.Ra1 Qf5-/+) 19.g3= (19.Bc6 Bg4 20.Qc1 Qa6 21.Bb5 Be2 22.Be2 Re2-+ (22...Qe2?! 23.Kg1-/+)) 19...Qa6 20.Kg2 Bg5 21.h4 Bd8 22.Re1 Rf8 (22...Re1 23.Qe1 Be6 24.Qe4=) 23.d7 Bd7 24.Bc5 Be6 25.Bf8 Kf8 26.Qd6 Be7 27.Rb8 Rb8 28.Qb8 Bc8?? (better is 28...Qc8 29.Rb1 Qd8+/-) 29.Bg4 Qb7 30.Qc8 Qc8 31.Bc8 1–0. Fantini,Daniela (2035) – Nejanky,Maisa (2070), ARG–chT (Women), 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e5)

    6.Bb2 d6 7.d4 ed4 8.Nd4 Nf6 9.Bd3 Be7 White has a very active position 10.Nab5 a6 11.Nc6 bc6 12.Nd4 White threatens to win material: Nd4xc6 12...Qc7 13.Qe2 0-0 14.0-0 White castles and improves king safety 14...c5 Black threatens to win material: c5xd4 15.Nb3 Black has a cramped position 15...Bg4 Black threatens to win material: Bg4xe2 16.f3 White threatens to win material: f3xg4 16...Be6 17.c4 (17.Ra6? is nothing because of 17...c4 18.Ra8 Ra8-+; 17.Ba6?! is the less attractive alternative 17...c4 18.Nd4 c3=+) 17...Rab8 Black threatens to win material: Rb8xb3 18.Ra3 Rb6 19.Bc3 Qb8 20.Nd2 Nd7 21.f4 f6 Secures e5 22.Rfa1 Bd8 (22...Qb7 23.Nf1+=) 23.g3 Qc8 24.Nb3 (24.Nf1!?+= looks like a viable alternative) 24...Nb8= Black has a cramped position 25.Na5 Nc6 26.Nc6 Qc6 27.Qa2 a5 (27...Bc8 28.Re1=) 28.Kf2 (28.Ra5!? is worthy of consideration 28...Bc7 29.Qe2+=) 28...Ra6 Black prepares the advance a4 29.Bc2 a4 (29...Bc7 30.Re1=+) 30.Ke3 Bd7 (30...Qe8 31.Ra4 Ra4 32.Qa4=) 31.f5 White has a new backward pawn: e4 (31.Ba4 Ra4 32.Ra4 Re8+-) 31...Qc8 (better 31...Qb7 32.Ba4 Ra4 33.Ra4 Re8=+) 32.Bb2?? there were better ways to keep up the pressure (32.Ba4 Ra4 33.Ra4 Bc6+-) 32...Ba5?? hands over the advantage to the opponent (better 32...Qb7-/+) 33.Rd3?? gives the opponent counterplay (better 33.Ba4 had to be tried to avoid defeat 33...Ba4 34.Ra4=) 33...Bb4 (33...Re8 and Black can already relax 34.Rad1 Bf5 35.Rd6-+) 34.g4 (34.Kf2 Qb7 35.Qb1 Rb6-+) 34...a3! Decoy: a3 35.Bc1 (35.Ba3 Qc7 Decoy) 35...Qc7 36.Bb3 (36.Kf3 Bc6-+) 36...Qa5 (36...Bc6 makes it even easier for Black 37.Kf3-+) 37.Rb1 Re8 38.Kf3 Bc6 39.Re3 Bc3 40.Bc2 Bd4 41.Re2 (41.Qa3 Be3 42.Qa5 Ra5 43.Be3-+) 41...Qc3 42.Kg2 Ba4 43.h3 (43.Bf4-+) 43...Bc2 44.Rc2 Qd3 45.Re2 (45.Bf4 cannot change what is in store for ? 45...Qe4 46.Kg3 Qd3 47.Kg2 h5 48.gh5 Qe4 49.Kg3 Qf5-+) 45...Bb2 (better 45...Ra4!? keeps an even firmer grip 46.e5 de5 47.Rd2 Qe4 48.Kh2-+) 46.Re3 (46.Rbb2 is one last hope 46...ab2 47.Qb2 Qc4 48.Kf3-+) 46…Qc2 (46...Qc2 47.Kh1 Re4-+) 0–1. Novikov,Roman (1990) – Safin,Robert (2095), 40th Nezhmetdinov Mem, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e5 5.Nf3 Nc6)

    6.Bc4 Bc5 7.0-0 Nf6 8.Qe2 0-0 9.c3 a6 10.Nc2 Ba7 11.Ne3 Ne4 12.Nf5?? d5-+ 13.N3h4 Nf2 14.Bb3 Nd3 15.Kh1 Nc1 16.Rac1 g6 17.Qg4 Kh8 18.Rf3 Ne7 0–1. Lopez de Lerma Ruiz,Jesus – Sidenko,Anatoly (2180), IECG, 2000.

    6.Bc4 Bc5 7.Bb2 Qb6 8.0-0? d6?? 9.Rb1=+ Qa5 10.Nb5 Be6 11.Bc3 Qd8 12.Be6 fe6 13.Ba1 a6 14.Nc3 b5-/+ 15.d3 Nh6 16.Nd2 0-0-+ 17.Qh5 Qf6 18.Nf3 Nd4 19.Nd4 Bd4 20.Qe2 Qh4 21.Nd1 Rac8 22.c3=+ Ba7 23.Qa2 Rc6?? 24.Qe6= Kh8 25.Qd7 Ng4-/+ 26.h3 Nf2 27.Nf2 Bf2 28.Kh1 Rb6 29.Rb2= h6 30.Qg4 Rf6?? 31.Rff2!+/- Qf2?? 32.Rf2+- Rf2 33.Qd1 Rb8+/- 34.Kg1 Rbf8 35.h4 a5 36.Qc1 Ra2 37.Bb2+- b4 38.cb4 ab4 39.Qc2 Rfa8 40.Qb3 R8a4 41.Kf2 Kh7 42.h5 Ra8? 43.g4?? R8a3= 44.Qc2 b3-/+ 45.Qb1?? Rb2!-+ (45...Rb2 46.Qb2 Ra2-+) 0–1. Smaraglay,Botond – Vamos,Viktor, EU–ch U10 Szombathely, 1993.

    6.Bc4 Be7 7.0-0 Nf6 8.d4 d6 9.Bb2 ed4 10.Nb5 0-0 11.Qe2 Bg4 12.Nbd4 Ne5 13.Bb3 Nfd7 14.h3 Nf3 15.Nf3 Bh5 16.Rfe1 Bf6 17.e5? (better is 17.Bf6 Qf6 18.g4-/+) 17...Ne5-+ 18.Be5 Be5 19.Rab1 Bf3 (19...Bc3!? 20.Red1 Qf6 21.Bd5-+) 20.Qf3 b6 21.Bd5 Rc8 22.c4 Rc5 23.Re3 Ra5 24.Qf5 g6 25.Qg4 Kg7 26.f4?? (better is 26.Rbe1!?-/+) 26...f5 (better is 26...Bd4 27.Rbe1 Re8-+) 27.Qf3 (27.Qd1 Bf4 28.Rf3-+) 27...Bf6?? (better is 27...Bd4 28.Rbb3 Re8-+) 28.Rd3 Ra1 29.Ra1 Ba1 30.Kh2 Bf6 31.Be6 Re8 32.Bd5 Re1 33.c5? dc5-+ 34.Be6 Bd4 35.Qb7 Kh6 36.Qf7 Bg1 37.Kh1 Qd3 38.Qf8 Kh5 39.g4 Kh4 (39...Kh4 40.Qf6 Kh3 41.Qh4 Kh4 42.Bf5 Qf3) 0–1. Schaffranietz,Horst (1890) – Priborsky,Jan (2285), Oberliga Bayern, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e5)

    6.Bc4 Nf6 7.Ng5 d5 8.ed5 Nd5 9.Nf7 Kf7-/+ 10.Qf3 Ke6 11.Nb5 Ncb4 12.c3 Bd7 13.cb4 Bb5 14.Bb5 Bb4 15.0-0 a6 16.Bc4+/- b5? 17.Qg4+- Kf7 18.Bd5 Qd5 19.Qb4 Rhd8 20.Bb2 Qd2 21.Qd2 Rd2 22.Be5 Rd5 23.Bc3 Rd3 24.Ba5 Rc8 25.g3 h5 26.h4 Rc6 27.Rfc1 Rcd6? 28.Rc7 Rd7 29.Rac1 g6 30.Rd7 Rd7 31.Rc6 Ra7 32.Rb6 Ra8 33.Kg2 Kg7 34.f3 Kh7 35.g4 hg4 36.fg4 Kg7 37.Kg3 Kh7 38.Rb7 Kg8 39.Kf4 Re8 40.Rb6 Kf7 41.Ra6 1–0. Coates,Stephen (1925) – Fischer,Heinz (1970), IECG, 2003.

    4.Na3 e6

    5.Bb2 Nc6 6.Nf3 d5 7.e5 (7.ed5 ed5 8.Bb5 a6 9.Bc6 bc6+=) 7...f6 (7...Bc5 8.d4 Be7 9.Bd3+=) 8.ef6 (8.Be2 d4+=) 8...Nf6-/+ 9.d4 (9.Be2 Be7-/+) 9...Qb6 10.Qc1 (10.Nb5 a6 11.Qb1 Rb8-/+) 10...Ne4 (10...Bb4 11.c3 Be7 12.Bd3-/+) 11.Bd3 Be7 (11...e5 12.0-0-/+) 12.0-0+= 0-0 13.c4 (13.Rb1 Nd6+=) 13...Rf3-/+ 14.c5 (better is 14.gf3 Ng5 15.c5+=) 14...Qc7 (14...Bg5 A) 15.cb6? Bc1 16.Be4 Bb2 (16...de4?! 17.Rfc1 Rb3 18.Nc4+=) 17.Bf3 Ba1 18.Ra1 ab6-+; B) 15.Qb1 Qb2 16.Qb2 Rd3 17.Nb5-+) 15.Be4 (15.gf3!? Bg5 16.Qc2=) 15...Rf7 (15...Ra3 16.Bh7 Kh7 17.Ra3-/+) 16.Bb1 (16.Bd3 Qf4 17.Nb5 Qc1 18.Rfc1 Bd7+=) 16...Bd7 17.Nb5 Qf4 18.Qc2 (18.Bd3 a6 19.Qb1 Qh4-/+) 18...g6 (18...Qh4 19.Ra3 g6 20.Rh3-/+) 19.g3 (19.Qd1 Qb8-/+) 19...Qg4 (better is 19...Qb8-/+) 20.Qd2? (better is 20.f4-/+) 20...Ne5!-+ 21.de5 Bb5 22.Bd3 Bd3 23.Qd3 Bc5 24.Qb5 Qc4 25.Qa5 Rf2! 26.Rf2 Rf8 27.Raf1 Qc2 28.Ba3 Rf2 (28...Rf2 29.Qd8 Rf8 30.Bc5 Qc5 31.Kg2 Rd8-+) 0–1. Geist,M (2215) – Simutowe,A (2470), 29th World Open, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Bb2 d5 6.ed5 ed5 (worse is 6...Qd5 7.Nb5 Qc5 8.Bd4+=) 7.Nf3 Nf6 8.Bb5 Nc6 9.Qe2 Be7 10.Ne5 Qc7 11.0-0 Be6 12.Rfe1 0-0 13.Bc6 bc6 14.Nf7 Rf7 (better is 14...Ne4!? 15.d3 Bc5 (15...Kf7?! 16.de4 Bc5 17.ed5 Bd5 18.Be5=; 15...Bf7?! 16.de4 Bc5 17.ed5-+) 16.de4 Rf7-+ (16...Kf7?! 17.ed5 Bd5 18.Be5=)) 15.Qe6+= Ne4 16.Be5 Qc8 17.Qc8 Rc8 18.Re2 Bc5 19.d4 Bb4 20.f3 Nc3 21.Re3 c5 22.Kf1 Rb7 23.dc5 Rc5 24.Bd6 Rc8 25.Be5 Kf7 26.Rd3 Rb6 27.Nb1 Nb1 28.Rb1 Rc2 29.Rbd1 Bd6 30.Bd6 Rd6 31.Rd5 Rd5 32.Rd5 ½–½. Vojta,Tomas (2225) – Munk,Petr, CZE–chTV, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Bb2 d6 6.Nb5+= Bd7? (6...Nc6 7.Nf3=) 7.e5 (7.Nd6!? Bd6 8.Bg7+-) 7...d5 (7...de5 8.Be5 Bb5 9.Bb5 Nc6 10.Nf3+=) 8.Nd6 (better 8.Qg4!? Bb5 9.Bb5 Nc6 10.Nf3+=) 8...Bd6= 9.ed6 Nf6 10.Bd3 Nc6 11.Nf3 Qb8 12.Ba3 e5 13.Bb5 e4 14.Bc6 Bc6 15.Nd4 Bd7 16.0-0 0-0 17.c3 Rd8 (17...a5 18.Qb3=+) 18.Qb3 b6 19.Rfc1 Rc8 20.c4 (better 20.Rcb1!?=) 20...Rc4 21.Rc4 dc4 22.Qc4 Qc8 23.Qb3 Qb7 24.Qg3 (better 24.Nb5!? Bb5 25.Qb5=+) 24...Qd5-+ 25.Bb2 Ne8 26.Rc1 Qd6 (26...Nd6? 27.Nc6 Nf5 28.Ne7 Kf8 29.Nd5 Ng3 30.fg3+-) 27.Qd6 Nd6 28.Rc7 Be8 29.Ne2? (better 29.Ba3 Nb5 30.Nb5 Bb5 31.f3 ef3 32.d4-+) 29…a5 ½–½. Popovic,Martin (1925) – Zdrazil,Patrik, MSR Deti a Mladeze CH08, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6 8.f4 Bc5 9.Nf3 Nc6 10.Nb5 0-0 11.d4 Bb4 12.Kf2 a6 13.Nc3 d5 14.c5 Nd7 15.Bd3 f6 16.Qc2 (better is 16.Na2-/+) 16...fe5-+ 17.Bh7 Kh8 18.Ne2 e4 19.Ng5?? (19.Be4 de4 20.Qe4-+) 19...Qg5 20.h4 Qh5 21.Be4 de4 22.Qe4 Nf6 23.Qd3 Ng4 24.Kg1 Qf5 (24...e5!? 25.Ng3 Qh6 26.fe5-+) 25.Qf3 e5! 26.fe5 (26.de5 Bc5; 26.fe5 Qf3) 26...Qf3 27.gf3 Rf3 28.h5 (28.Rf1 Rd3 29.Ba1-+) 28...Rf2 29.h6 (29.Bc3 Re2 30.Bb4 Nb4-+) 29...Re2 30.hg7 Kg7 31.Rb1 Bf5 32.Rf1 Be4 33.Rh4 (33.Rh7 Kh7 34.Rf7 Kg8 35.Rf3 Bf3 36.Bc3 Bc3 37.d5 Re1) 33...Rg2 34.Kh1 Rh2 (34...Rg3 35.Rf3 Bf3) 35.Kg1 Rh4 (35...Rh4 36.Rf7 Kf7 37.e6 Ke7 38.Kf1 Rh1 39.Ke2 Re1) 0–1. Nasikan,Nikolai – Pochvirny,Nikolay, Stepichev Memorial, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Bb2 Nf6 6.Qf3 Be7 7.d4 d5-/+ 8.e5 Ne4 9.Bd3 Qa5 10.c3 f5 11.Be4 de4 12.Qh5=+ g6 13.Qh6 Kf7 14.Nh3 Qd8 15.Nc4 Bf8 16.Qg5= Be7 17.Qh6 Bf8 18.Qd2 b5=+ 19.Ne3 Bb7 20.0-0 Bd5 21.Rfc1 Bh6=+ 22.Ba3 Nc6 23.Qe2 a6 24.Bd6 Na5-/+ 25.Nd5 ed5 26.f4 Nb3?? 27.Qa2= Nc1 28.Qd5 Kg7 29.Rc1 Ra7 30.e6 Re8 31.c4 Qc8 32.Be5=+ Kf8 33.Bd6 Kg7 34.Bc5?? Rc7 35.cb5 Re6 36.Qc4 ab5 37.Bf8 Kf8 38.Qc7 Qc7 39.Rc7 Rb6 40.Kf2 b4 41.Rc2 Ke7 42.Ke3 Kd6 43.Ng1 b3 44.Rb2 Kd5 45.Ne2 Kc4 46.g4 Bg7 47.gf5 gf5 48.Rb1 b2 49.h4 Rb3 50.Kd2 Bd4 51.Kc2 Rb5 52.h5 Bf6 53.h6 Rb3 54.Ng1 Rg3 55.Rf1 Bd4 56.Ne2 Rg2 (56...Rg2 57.Re1 Bc3 58.Kb1 Be1 59.Kb2 Re2 60.Kc1 Bc3 61.Kd1 Kd3 62.Kc1 Re1) 0–1. Selva,Antonio – Perez,Carrilero V, Alicante op, 1997.

    5.Nb5 a6 6.d4 b6 7.Bd3 Bb7 8.Nc3 Nc6 9.Nf3 Nb4 10.0-0 Rc8 11.Bb2 Nf6 12.d5 Nd3 13.Qd3 Qc7 14.Qe3 h6 15.de6 de6-+ 16.e5 Bc5 17.Qe2 Nd5 18.Ne4 Nf4 19.Qe1-+ Qc6 20.Nfd2 0-0 21.Ba3 Qd5 22.Bc5 bc5 23.Ra3 Qe5 24.f3 Rfd8 25.g3 Nh3 26.Kg2 Ng5 27.Nc4 Qc7 28.Ng5 hg5 29.h3 Rd4 30.Ne5 Rcd8 31.Rf2 f6 32.Ng4 e5 33.Kh2 c4 34.Ne3 Qc5 35.Ra5 Qb6 36.Qc3 Kh8 37.Ra4 Qe6 38.Rb4 Bc8 39.g4 e4 40.Nc4?? ef3 41.Rf3 a5! 42.Ra4 Bb7 43.Qe3 Qc6 44.Na5 Qf3 (44...Qf3 45.Qf3 Bf3 46.Rd4 Rd4-+) 0–1. Lutz,Klaus Juergen (2325) – Filipenko,Alexander V (2435), Biel op, 1993.

    5.Nb5 Nc6 6.d4 d5 7.ed5 ed5 8.Bf4 Bb4 (better is 8...Kd7!?=) 9.c3+/- Ba5 10.Bd3 (10.Ra5 Qa5 11.Nc7 Kf8 12.Na8 Qc3 13.Bd2 Qd4+/-) 10...Nge7 (10...Kf8 11.Qd2+=) 11.Nf3 (better is 11.Ra5 Qa5 12.Nc7 Kf8 13.Na8 Qc3 14.Kf1 Nd4 15.Ne2 Ne2 16.Be2+=) 11...0-0-/+ 12.Bh7?? (better is 12.Qd2-/+) 12...Kh7-+ 13.Ng5 Kg8 14.Nd6 (14.Qd3 Bf5 15.Qd2-+) 14...Bc3 15.Kf1 f6 16.h4 fg5 17.hg5 Rf4 18.Qh5 Qd6 19.Qe8 Rf8 20.Rh8 Kh8 21.Qf8 Kh7 22.Qe8 Qg6 (22...Qg6 23.Qg6 Kg6-+) 0–1. Smith,Mahlon – Castaldo,Arcangelo, LERA Thanksgiving, 1992. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Nb5 Nc6 6.d4 d6 7.d5 ed5 8.ed5 Ne5 9.Na7 (9.Ra7? Ra7 10.Na7 Qa5 11.c3 Qa7 12.Bb5 Bd7 13.Bd7 Nd7-+) 9...Bd7 10.Be3 Ne7 (better is 10...Nf6=) 11.Nb5+/- Nd5 (better is 11...Bb5!? 12.Bb5 Nd7 13.Ra8 Qa8+/-) 12.Ra8+- Qa8 13.Qd5 Qa1 14.Qd1 (14.Qd1 Qa5 15.Bd2+-) 1–0. Schaffranietz,Horst (1865) – Koch,Enrico (2050), Regionalliga SW, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.c3 Nc6 6.d4 (6.Nf3 A) 6...Be7 7.d4 d5 8.e5 a6 9.Bd3 Ra7 10.0-0 b5 11.Bf4 Bd7 12.Nc2=; B) 6...d5 7.e5 (7.ed5 ed5 8.Bb5 a6 9.Nc2 Bd6 10.0-0 Nge7 11.Re1 0-0 12.Bd3-/+) 7...Nge7 8.d4 Nf5 9.Nb5 h5 10.Bg5 Qd7 11.Bd3 a6 12.0-0=; C) 6...Nge7 7.d4 (7.Nb5 d5 8.Ba3 Ng6 9.Bf8 Kf8 10.ed5 ed5 11.Be2 Bg4 12.0-0+=; 7.d3 d5 8.Nb5 f6 9.Be3 a6 10.Be2 b6 11.c4 Bb7 12.Nbd4+=) 7...d5 8.Bd3 Ng6 9.Bg5 Be7 10.Be7 Qe7 11.0-0 0-0 12.Re1+=; D) 6...Nf6 7.e5 Nd5 8.c4 Ndb4 9.d4 d6 10.Nb5 de5 11.de5 Bc5 12.Qd8+=) 6...Nf6 (6...d5 7.e5 Nge7 8.Nf3 Nf5 9.Nb5 h5 10.Bd3 Be7 11.Ba3 0-0 12.Be7=) 7.Bd3 (7.e5 Nd5 (7...Ne4 8.Ne2 Qh4 9.g3 Qh5 10.Qd3 Nc5 11.dc5 Ne5 12.Qe4=) 8.c4 Nc7+= 9.c5 b6 10.Nc4 bc5 11.Nd6 Bd6 12.ed6+=; 7.d5 Ne5 8.Nb5 Bc5 9.Ba3 Ba3 10.Ra3 ed5 11.f4 Neg4 12.e5=; 7.Bg5 d5 8.e5 h6 9.Bh4 g5 10.ef6 gh4 11.Nb5 Bd7 12.Qf3-/+; 7.Qc2 d6 8.Bd3 Bd7 9.Nf3 Be7 10.0-0 a6 11.e5 de5 12.de5+=) 7...h6 (7...d5 8.e5 Ne4 9.Nb5+= (9.Be4 de4 10.Ne2 b6 11.Ng3 Bb7 12.0-0+=) 9...Bd7 10.Ba3 Ba3 11.Ra3 a6 12.Be4+=) 8.f4 (8.Ne2 d5 9.e5 Nd7+= 10.Nb5 a6 11.0-0 Nb6 12.Na3+=; 8.Nb5 d6 9.Nf3 a6 10.Bf4 Nh5 11.Be3 Bd7 12.Na3=) 8...d6 (8...d5 9.e5 Ne4 10.Be4 (10.Ne2 Qh4 11.g3 Qd8 12.Qc2+=) 10...de4 11.Ne2+= Be7 12.Ng3+=) 9.Nf3 a6 (9...d5 10.e5 Ne4 11.Nb5 (11.Be4 de4 12.Nd2=) 11...a6 12.Be4+=) 10.0-0 Be7 11.e5 de5 (11...Nd5 12.Qe1+= (12.Bd2=)) 12.fe5 Nd5 13.Bd2 0-0 (13...Rb8 14.Nc2=) 14.Qe1 f5 15.Qg3 Kh8 16.Nb5 Nc7 (16...Rb8 17.Nd6=) 17.Nd6 Ne8 (better is 17...b5=) 18.Bh6 (better is 18.Nc8!? Rc8 19.Rfb1=) 18...gh6-/+ (18...Bd6?! 19.Bg5 Be7 20.Be7 Qe7 21.Nh4=) 19.Qg6 Bd6 (19...Ng7!?+=) 20.Qh6= Kg8 21.Qg6 Ng7?? (better is 21...Kh8 22.Qh6 Kg8 23.Qg6 Kh8 24.Qh6=) 22.Ng5+- Rf7?? 23.Qf7 Kh8 24.Qg6 Kg8 25.Qh7 Kf8 26.Qh8 Ke7 27.Qg7 (27.Qg7 Ke8 28.Qf7) 1–0. Sineux,Sandra – Lafortune,Guillaume, 6th St Quentin Open, Elancourt FRA, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.c3 d5 6.ed5 ed5 7.Nf3 Nc6 8.Bb5 a6 9.Be2 Nf6 10.0-0 Be7 11.Nc2 0-0 12.Re1 -/+.

    5.c3 d5 6.e5 A) 6...Bd7 7.d4 (7.Nf3 Nc6 8.d4 Nge7 9.Bd3 Nf5 10.0-0 Be7 11.Qb3 Na5 12.Qa2+=) 7...Qc8 8.Bd2 Nc6 9.Bd3 Nge7 10.Nf3 Nf5 11.0-0 Be7 12.Bg5+=; B) 6...Ne7 7.d4 (7.Nf3 Nbc6 8.d4 Ng6 9.Bb5 a6 10.Bd3 Be7 11.Be3 Bd7 12.Nc2-/+; 7.Be2 Nec6 8.Nf3 Be7 9.d4 0-0 10.Bd3 b6 11.Qc2 h6 12.0-0+=; 7.Nb5 Nec6 8.d4 a6 9.Bg5 Qd7 10.Bd3 b6 11.Nf3 h6 12.Bf4+=; 7.Qb3 Nbc6 8.Nf3 Ng6 9.d4 f6 10.Bd3 fe5 11.Bg6 hg6 12.Ne5+=) 7...Nbc6 8.Nf3 Ng6 9.Nb5 Be7 10.Ba3 0-0 11.Be7 Qe7 12.Bd3+=; C) 6...Nc6 7.Nf3 (7.d4 Nge7 8.Nf3 Nf5 9.Nb5 h5 10.Bd3 a6 11.0-0 Bd7 12.Bf5=) 7...Nge7 8.d4 Nf5 9.Nb5 h5 10.Bd3 Bd7 11.Ba3 Nce7 12.Qb3=; D) 6...a6 7.Nf3 Ne7 8.d4 Nec6 9.Bd3 Be7 10.Qc2 h6 11.Be3 Ra7 12.0-0+=.

    5.c3 Nf6 6.e5 Nd5 7.Nf3 Bc5 8.Nc4 0-0 9.d4 Be7 (9...Nc3? 10.Qb3 Be7 11.Qc3+-) 10.Bd2 b5 11.Na5 b4 12.c4 Nc3 13.Qc2 Nc6 14.Nb3 (14.Nc6!? dc6 15.Bd3+=) 14...a5= 15.Bd3 g6 16.h4 a4 17.Nc5? (better is 17.Nc1 Qa5 18.Bc3 bc3 19.Na2+=) 17...Nd4!-+ 18.Nd4 Bc5 19.Nf3 Qb6 (better is 19...Bb7 20.Bc3 bc3-+) 20.Bh6?? (better is 20.Bc3 bc3 21.Rb1-/+) 20...Re8 21.h5 (21.Bd2 Bf2 22.Kf1 Bd4-+) 21...b3 22.Qc3 Bf2 23.Kf1 Qe3?? 24.Be3+- Be3 25.hg6 fg6 26.Bg6! hg6 27.Qe3 Bb7 28.Qh6 Re7 29.Qh8 Kf7 30.Rh7 1–0. Gallegos,Paul (2095) – Schuh,Astor Jose, Dos Hermanas Internet qual–B, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.c3 g6 6.d4 Bg7 7.Bf4 d6 (7...Nf6 8.Nb5 0-0+/-) 8.Nc4+/- Bf6? (better is 8...Bf8!? 9.Qb3 g5 10.Qb5 Nc6 11.Bg5 Be7 12.Be7 Nge7+/-) 9.Qb3 (9.Nd6!? Kf8 10.Nf3 Be7+-) 9...Be7 10.Nb6! ab6 (10...ab6 11.Ra8 Pinning (11.Ra8 Deflection); 10...Qb6 11.Qb6 Combination) 11.Ra8 Qc7? (11...Nc6+-) 12.Bb5 Kf8 (12...Nd7 13.e5 d5+-) 13.Ra1 (better is 13.Qc4 Qc4 14.Bc4+-) 13...Kg7 14.Ne2 Bd7 15.Bd7 Nd7 16.Ra8 h5 17.0-0 h4 18.h3 Rh5 19.Rb1 Ngf6 20.f3 Rh7 21.Bg5 Rh5 22.Bf6 Kf6 23.Nf4 Rh7 24.Rg8 Rh6 25.Ra8 Rh7 26.Ra2 Bf8 27.d5 e5 28.Nd3 Bh6 29.Re2 Rh8+/- 30.Nb2 Qc5 31.Kf1+- b5 32.Nd1 Ra8+/- 33.Ra2 Ra2 34.Qa2+- Nb6 35.Qb3?? Nc4-+ 36.Qb5?? Nd2 37.Ke2 Qg1 38.Kd3 Nb1 39.Qb1 Qg2 40.Qc2 Qf3 41.Kc4 Qh3 42.Qf2 Bf4 (42...Bf4 43.Qe2 Qg3-+) 0–1. Truksa,Vaclav (1670) – Kravec,Patrik (1910), Prague CZE, European Ch Boys U14, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.d4 Qa5 6.Bd2 Bb4 7.Bd3 Bd2 8.Qd2+= Qd2 9.Kd2 d6? (better 9...a6!?+=) 10.Nc4+- Ke7?? (better 10...Nc6 11.Nd6 Ke7+-) 11.Nb6!! ab6 (11...Nf6 12.Na8 Bd7 13.Ra7+-) 12.Ra8 1–0. Janek – tinhho, internet, 2017.

    5.d4 b6 6.Bd3 Bb7 7.Ne2 Nf6 8.f3 a6 9.0-0 d5 10.e5 Nfd7 11.f4 g6 12.c4 Be7 13.cd5 Bd5 14.Nc3 Bb7 15.Ne4? (15.Nc4 Qc7 16.Qb3 b5+=) 15...b5 (better is 15...Ne5 16.Be2 Nec6-+) 16.Nc2+= Nc6 17.Ba3 b4 18.Bb2 Nb6 19.Kh1 Nd5 20.Nc5 Bc5 21.dc5 b3 (21...Qe7 22.Nd4-/+) 22.Nd4 Ne3 23.Nc6?? (better is 23.Qb3 Nd4 24.Qb7=) 23...Bc6-+ (23...Nd1 24.Nd8 Nb2 25.Nb7 Nd3 26.Rf3+/-) 24.Qb3 Nf1 (24...Rb8 25.Bb5 Bb5 26.Rf2-+) 25.Rf1? (better is 25.Bf1 0-0 26.Bc3-/+ (26.Ba6?? Ra6 27.Qc2 Qh4-+)) 25...Rb8-+ 26.Qc2 Rb2! (26...Rb2 27.Qb2 Qd3 28.Qb8 Ke7 29.Qd6 Qd6 30.cd6 Kd7-+) 0–1. Kelder,Hendrek – Karpov,Ana (2615), Puhajarve EST, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 e6)

    5.d4 d6 6.Nf3 g6 (6...Nf6 7.Bg5=) 7.Bd3 Bg7 (7...Nc6 8.h3+=) 8.0-0 (8.Nb5 Nc6 9.Qe2 Nge7+/-) 8...Ne7 (8...Nc6 9.Ra2+=) 9.Re1 (better is 9.Nb5 0-0 10.Bf4+=) 9...Qc7? (9...Nbc6 10.c3=) 10.Bb2?? (better is 10.Nb5 Qd8 11.Ba3+-) 10...Nd7?? (better is 10...Bd7=) 11.Nb5+- Qb6 12.Ba3 Nb8 (12...0-0 13.Bd6 Re8+-) 13.Nd6 Kd7 (13...Kd8 14.Nf7 Ke8 15.Nh8+-) 14.Bc5 (14.Ne5 Kc7 15.Nb5 Kd8+-) 14...Qc7 15.Nf7 Rf8 16.N7e5 Be5 17.Ne5 Kd8 18.Ra7 Ra7 19.Ba7 Nbc6 20.Nc6 Nc6 21.Bc5 Ne7 22.Qb1 Qf4 23.Qb6 Ke8 24.Bb5 Bd7 25.Bd7 Kd7 26.Qb7 Qc7 27.Qc7 Kc7 28.Be7 Re8 29.Bf6 h5 30.Be5 Kc6 31.Ra1 Kb7 32.Kf1 Ra8 33.Ra8 Ka8 34.Ke2 Kb7 35.Kf3 Kc6 36.Kf4 Kd7 37.Kg5 Ke7 38.Kg6 h4 39.Bf6 Kd6 40.Bh4 Kd7 1–0. Afonso,Sara Cerqueira – Ferreira,Sara Cristina, Lisbon–ch U12 Girls, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 e6 5.Na3)

    5.d4 Ne7 6.Bd3 d5 7.e5 Ng6 8.Ne2 Be7 9.0-0 0-0 10.f4 Bd7 11.g4 Nc6 12.f5 ef5 13.gf5 Nge5 14.de5 Ne5 15.Bb2 Nd3 16.Qd3 Bf6 17.Nd4 Bd4 18.Qd4+/- Bc6?? 19.Qg7 1–0. steffanovo (1710) – vesennia, kurnik, 2011.

    5.e5 Nc6 6.Nf3 Nh6 =.

    5.Nf3 Ba3 6.Ba3 Ne7 (6...Nf6 7.e5 Nd5 (7...Ne4 8.Bd3 d5 9.Qe2 Nd7 10.Be4 de4 11.Qe4 f5 12.Qe2 Kf7; 7...Ng4 8.h3 Nh6 9.Bd3 Nc6 10.0-0 Nf5 11.Bf5 ef5 12.Bd6 b6) 8.c4 Ne7 9.Bd3 Nbc6 10.Bd6 b6 11.0-0 Bb7 12.h3 Nc8) 7.Bd3 (7.Bd6 Qb6 (7...b6 8.Bc4 0-0 9.0-0 Bb7 10.Bd3 Nbc6 11.c4 f5 12.ef5 Rf6; 7...0-0 8.Bd3 b6 9.e5 h6 10.0-0 Bb7 11.Nh4 Nbc6 12.Qg4 a5; 7...Nbc6 8.Bd3 b6 9.e5 Bb7 10.0-0 Nf5 11.Bf5 ef5 12.Qe2 Ne7) 8.Be5 0-0 9.Bd4 Qc7 10.Ba7 Na6 11.Bd4 d6 12.Bb5 Bd7) 7...0-0 (7...d6 8.Nd4 a6 9.Qh5 Nbc6 10.Nf3 0-0 11.e5 Nf5 12.Bf5 ef5; 7...b6 8.Bd6 Nbc6 9.c4 Bb7 10.0-0 Nc8 11.Bf4 Nb4 12.Bb1 0-0) 8.Bd6 Nbc6 9.0-0 h6 (9...b6 10.c4 Bb7 11.Qb3 f5 12.ef5 Rf5) 10.c4 Re8 (10...b6 11.Qb3 Re8 12.h3 Ng6) 11.c5 (11.Qb3 Ng6 12.c5 Qf6) 11...Ng6 (11...Nb4 12.Bc4 Nec6) 12.e5 (12.Qe2 e5) 12...b6 (12...Nce7+/-) 13.cb6 Qb6 14.Qc2 Bb7? (better is 14...Nce7+=) 15.Rab1+- (15.Bg6?! fg6 16.Rfb1 Nd4 17.Nd4 Qd4+/-) 15...Qd8 (15...Nce5 16.Rb6 Nf3 17.gf3 ab6 18.Bg6 fg6+-) 16.Rb7 Nce7 17.Rfb1 Rc8 18.Bc7 Rc7 19.Qc7 Qa8 (19...Qc7 20.Rc7 a5+-) 20.Rb8 Rb8 21.Rb8 Qb8 22.Qb8 Kh7 23.Qe8 1–0. usingprogram – pauladan1, internet, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Nf3 a6 6.d4 (6.Bd3 d6=) 6...d6 (6...Nf6 7.Nb5=) 7.Bd3 Be7 8.0-0 Nf6 9.Re1 (9.c3 Nc6=) 9...Nbd7 (9...Nc6 10.Re2=) 10.e5+= de5 11.de5 Nd5 12.Bd2 0-0 (12...Nc5 13.Nd4=) 13.Qe2 (13.c4 Nc7=) 13...Nc5 14.Bc4 Nd7 (14...b5 15.Bd5 Qd5 16.Red1+=) 15.Red1 b6 16.Bd5 ed5 17.Nd4 (17.c4 Bb7=) 17...Bb7 (17...Bc5 18.Bf4+=) 18.c3 (18.Nf5 Rc8+=) 18...Nc5 19.f4 (19.Nac2 Qd7+=) 19...Ne4 20.Nac2 (20.Be1 Rc8-/+) 20...Rc8 (20...a5 21.Ne3-/+) 21.Qg4 Nd2 22.Rd2 Rc3 23.Nf5 g6 24.Nfd4 Qc7 25.Qe2 Bc5 26.Kh1 Bd4 27.Nd4 Rc1 28.Rd1 Ra1 29.Ra1 Qc5 30.Qd2 Rc8 31.f5 Qc3-+ 32.Qc3 Rc3 33.Re1 b5 34.e6 fe6 35.fe6-/+ Kf8 36.Rf1? Ke8-+ 37.Kg1 b4 38.Rf7 Rd3 39.Nf3? Bc8-+ 40.Rf4 b3 41.Nd4 Rd1 (41...Rd1 42.Kf2 b2-+) 0–1. Lasberg,Ralf – Mueller,Siegfried, Dortmund2, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Nf3 Nc6 6.d4 d5 (6...Nf6 7.Bd3 Bb4 8.Bd2+= d5 9.Bb4 Nb4 10.ed5 ed5 11.0-0 0-0 12.Re1; 6...Bb4 7.Bd2 Nf6 8.Bd3 0-0 9.e5 Nd5 10.0-0 Bd2 11.Qd2 f6 12.Nc4) 7.e5= (7.ed5 Bb4 8.Bd2 Bd2 9.Qd2 ed5 10.Bb5 Qe7 11.Qe2 Bd7 12.0-0) 7...a6 (7...Bb4 8.Bd2 Nge7 9.Bd3= Nf5 10.c3 Be7 11.0-0 h5 12.Nc2) 8.Bd3 (8.c3 Nge7 9.Bd3 Ng6 10.h4 Rb8 11.h5 Nge7 12.Nc2) 8...Rb8 (8...Bb4 9.Bd2 Nge7 10.0-0= (10.c3 Ba5 11.Qc2 g6 12.0-0) 10...0-0 11.c3 Ba5 12.c4) 9.0-0 Nge7 (9...b5 10.c3 Nge7 11.Nc2 Bb7 12.Qe2) 10.c4 dc4 (10...Nb4 11.h3= Nd3 12.Qd3) 11.Nc4+= Nd5 12.Ng5 (better is 12.Be4!?+=; 12.Bg5+=) 12...b5+= 13.Qh5 (13.Qf3 f6 14.ef6 Qf6-/+ (14...bc4?? 15.fg7 Qg5 16.gh8Q+-)) 13...g6-/+ 14.Qf3 Qd7 15.Nd6 Bd6 16.ed6 h6 (16...0-0 17.Qh3 f6 18.Ne4-/+) 17.Qh3 Qd6 18.Ne4 Qc7 19.Qh4 f5 (19...Bb7 20.Be3+=) 20.Nf6= Nf6 21.Qf6 Rg8 22.d5 (22.Bh6 Qe7 23.Qe7 Ke7+=) 22...Nb4+= 23.Qd4 Nd5 24.Bh6 Qc3 25.Qc3 Nc3 26.Bf4 Rb6 27.Rfc1 Rc6 28.Be5 b4 29.Bc3 bc3 30.Ra3 Rg7 31.Rac3 Rc3 32.Rc3 Kd8 33.Ra3 Ra7 34.f4 a5 35.Kf2 Bd7 36.Ke3 Ke7 37.Kd4 Kd6 38.h3 a4 39.Bc2 Ra5 40.g4 e5 41.fe5 Re5 42.gf5 gf5 43.h4 Rd5 44.Ke3 Ke5 45.h5 Rd4 46.Ke2 Rh4 47.Bd1 Bb5 48.Ke1 Kd5 49.Kf2 Kc5 50.Kg3+= Rd4 51.Bc2 f4-/+ 52.Kf3? Bc6-+ 53.Kg4 f3 54.Kg3 f2! 55.Ra1 Bb5 56.Kf2 Rd2 57.Kg3 Rc2 58.h6 Kb4 59.h7 Rc8 60.Rb1 Ka5 61.Kf4 Rh8 62.Rh1 a3 63.Ke3 a2 64.Ra1 Bc4 65.Kd4 Kb4 66.Rc1 Bb3 0–1. Muzychuk,Anna (2380) – Kosteniuk,Alexandra (2505), 36th Olympiad w, Calvia ESP, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Nf3 d5 6.ed5 ed5 7.Bb5 Nc6 8.0-0 Bd6 9.Bb2 f6 10.c4 a6 11.cd5 ab5 12.dc6 b4 13.cb7 Bb7 14.Nc4 Ne7 15.Nd4 (15.Qe2 Bf4=) 15...Ra1 (15...Bh2!? 16.Kh2 Qc7 17.Kg1 Ra1 18.Qa1 Qc4+=) 16.Qh5= g6 17.Qb5 Kf7? (better is 17...Bc6! 18.Nc6 Rf1 19.Kf1 Nc6 20.Qc6 Ke7=) 18.Ra1+- (18.Ba1?! Bd5 19.Qa6 Bb8+=; 18.Nd6?! Qd6 19.Ra1 Qd5=) 18...Bd5 19.Ra6 (19.Nd6?! Qd6 20.Ra6 Qe5=) 19...Be5 20.Ne5 fe5 21.Nf3 Bf3 22.Qe5 Nc6?? (22...Rg8 23.Rd6 Qc8 24.Rf6 Ke8 25.Rf3+- (worse is 25.gf3 Qb7+-)) 23.Qg7 (better is 23.Qf4 Kg8 24.gf3+-) 23...Ke6 24.gf3 Qg5 25.Kh1 Rc8 26.Qb7 (26.Qb7 Qd8 27.Rc6 Rc6 28.Qc6 Qd6 29.Qc8 Kd5 30.Qg8 Kc6 31.Qh7+-; 26.Qh7?! Qf5+=) 1–0. Perez Reclusa,Jesus Miguel – Skripchenko,Almira (2440), Pamplona op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Nf3 d5 6.ed5 ed5 7.Bb5 Bd7 8.0-0 Nf6 9.Re1 Be7 10.Qe2 Nc6 11.Bb2 Kf8 12.c4 a6 13.Nc2 ab5 14.Ra8 Qa8 15.cb5 Qd8 16.bc6 bc6 17.Ne5 c5 18.Ba3 Be8 19.Nd4 Qc7 20.Nf5 (20.Nf5 Ne4 21.Ne7 Ke7 22.d4+-) 1–0. Velandia,Norberto – Santos,German, COL–ch Bogota, 1975. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.Nf3 d5 6.e5 Bd7 7.c3 Bc6 8.d4 Nd7 9.Bd3 a6 10.0-0 b5 11.Nc2 Nb6 12.Ng5 g6 13.Qf3 Qd7 14.Qh3 h5 15.f4 Nh6 16.f5 gf5-/+ 17.Qh5 Bg7 18.Qf3 Nc4 19.h3 Bb7 20.Qg3 Bf8 21.Be2 Be7 22.h4 0-0-0 23.Bf4 Rhg8 24.Rfd1 Qc7 25.Qh3 Qb6 26.Ne3 Rg6 27.Kf1 Rg7 28.Ra2 Ng8 29.Bd3 f6?? 30.Ne6!+- fe5 31.Ng7 ef4 32.Nef5 Kb8 33.Re2 Bc8 34.Qf3 Bd6 35.Ne6 Re8 36.Bc4 dc4 37.Rde1 Nf6 38.Nd6 Qd6 39.Nc5 Re2 40.Re2 Nd5 41.Kg1 a5 42.Re5 Ne7 43.Re6 Qd8 44.Qf4 Ka7 45.Qe4 Nd5 46.Re8 Nc3 47.Qh7 (47.Qh7 Qd7 48.Nd7 Ne2 49.Re2 a4 50.Re8 Kb7 51.Nb8 Bd7 52.Qd7 Kb6 53.Re5 b4 54.Rb5) 1–0. Shivananda,B (2395) – Yashas,D (2190), 2nd Chennai Open, Chennai IND, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    5.d4 Bb4

    6.Bd2 Ba3 7.Ra3 Ne7 8.g4 (8.Nf3!?=) 8...Nbc6 9.Nf3 d6 10.h4 e5 (10...f5 11.ef5 ef5 12.g5-/+) 11.d5+= Nb8 ½–½. Vogiatzis,Dimitrios (2010) – Feist,Reiner (1955), Mittelfranken–ch, 1994. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    6.Bd2 Bd2 7.Qd2 d5 8.e5 Ne7 9.Bd3 0-0 10.Nf3 h6 11.c3 (11.Nb5 Nbc6+=) 11...Bd7 12.Nc2 Nbc6 13.Ne3 Qc7 14.0-0 f6 (14...a5 15.Rfb1+=) 15.ef6= Rf6 16.Ng4 Rf4 (16...Rff8 17.Rfc1+=) 17.Nge5 Raf8 18.Bc2 (18.h3 Be8=) 18...Be8 (18...a6 19.Qd3 Re4 20.Qd2=) 19.Qd3 R8f6?? (better is 19...g6=) 20.Qh7+- Kf8 21.Qh8 Ng8 22.Rae1 Rf3 (22...Rf3 23.Nf3 Bg6 24.Bg6 Rg6+-). Munoz,Farid (2185) – Zabala,Fidel (2000), Medellin COL, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6)

    6.Bd2 Bd2 7.Qd2 d6 8.Bd3 Nc6 9.Nf3 Nge7 10.0-0 Ng6 11.Nb5 0-0 12.d5 Nce5 13.Ne5 de5 14.d6 a6 15.Nc7 Rb8 16.Bc4 Bd7 17.g3 Bc6 18.Rfe1 Qd7 19.Rad1 Rfd8 20.h4 b5 21.Bb3 Bb7 22.Qc3 h5 23.Qf3 Qc6? 24.Ne6+- Rd6 25.Rd6 Qd6 26.Ng5 Rf8 27.Bf7 (27.Bf7 Rf7 28.Qf7 Kh8 29.Qe8 Nf8 30.Nf7 Kg8 31.Nd6 Bc6 32.Qf7 Kh7 33.Nf5 Ne6 34.Ne7 Nf4 35.Qg8 Kh6 36.Qh8) 1–0. Sjugirov,Sanan (2260) – Pedashenko,Anatoly, RUS–ch U16 Dagomys, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 ba3 5.Na3 Bb4)

    6.Bd2 Bd2 7.Qd2 Ne7 8.Bd3 d6=+ 9.f4 0-0 10.Nf3 Nbc6 11.e5 de5 12.fe5 b6 (worse 12...Nd4 13.Nd4 f6 14.Nc4+-) 13.c3 Bb7 14.Nc4 Qc7 15.0-0 b5 (15...f6!?=) 16.Nd6+= a6 17.Ng5 (worse 17.Nb7 Qb7 18.Qf4 Ng6=) 17...h6 (better 17...Nf5!?+=) 18.Ngf7 Na5? (better 18...Nf5 19.Bf5 ef5 20.Rf5 Ne7+-) 19.Nh6! gh6 20.Qh6 (20.Nb7 Qb7 21.Qh6 Nec6 22.Qe6 Rf7 23.Bh7 Kf8 24.Qd6 Ke8+-) 20...Rf1 (20...Nf5 21.Qe6 Kh8 22.Rf5 Rf5 23.Bf5 Bd5 24.Qd5 Rf8+-) 21.Rf1 Nf5 (21...Ng6 22.Qg6 Qg7 23.Qe6 Kh8 24.Nf7 Kg8 25.Nd8 Kh8 26.Qe8 Qg8 27.Qh5 Kg7 28.Ne6 Qe6 29.Qh7) 22.Qe6 (22.Qe6 Kh7 23.Bf5 Kg7 24.Qg6 Kf8 25.Be6 Bf3 26.Rf3 Ke7 27.Qf6) 1–0. Schulz,Lukas (2020) – Laustsen,Karl_Johan (1880), Oberfraenkische Einzelmeisterschaft, 2015. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 ba3 5.Na3 Bb4)

    6.Bd2= Bd2 7.Qd2 Nf6 8.Nb5 0-0 9.Bd3 d5 10.e5 Ne8 11.f4 Bd7=+ 12.Nf3 f5 13.0-0 Bb5=+ 14.Bb5 Nc6 15.Bc6= bc6 16.Ra6 Qc8 17.Rfa1 Qb7 18.Qc3 Rf7 19.Qc6+= Qc6 20.Rc6 Re7 21.Raa6 Nc7 22.Ra5 h6 23.h4 g6 24.Kf2 Kf7 25.Nd2 Rd7 26.Nb3+/- Re7 27.Ke3 Kg7 28.Kd3 Kf7 29.Nc5 Ne8 30.Raa6 Ng7 31.c4 dc4 32.Kc4 Nh5? 33.g3 Ng3? 34.d5?? ed5+= 35.Kd5 Nh5= 36.e6 Kf6? 37.Nd7+/- Kg7 38.Ke5 Rae8 39.Nc5 Rc8?? 40.Kd6 Rce8= 1–0. Biro,Sandor (2285) – Ebner,Hubert, HUN–ch op Eger, 1987. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 Bb4)

    5.d4 d5

    6.Nb5 a5 7.ed5 ed5 +=.

    6.e5 a6 7.Bd3 Nc6 8.c3 (8.Nf3 Bd7=) 8...g6 (8...Nge7 9.Nh3=) 9.Nh3 (9.Nf3 Na7+=) 9...Bg7 (9...f6!?=) 10.Nb5+= Bf8 11.0-0 Bd7 (11...Rb8 12.Nd6 Bd6 13.ed6 Qd6=) 12.Na3 (12.Nd6!? Bd6 13.ed6+=) 12...Nge7 (12...Na5!?=) 13.Bg5 Bg7 14.Qd2 h6 15.Bf4 b5 16.Nc2 Na5 17.Nb4? (better is 17.Rfb1=) 17...Nb3-/+ 18.Qc2 (18.Qb2!? Na1 19.Be2-+) 18...Na1-+ 19.Ra1 a5 20.Na2 0-0 21.Qd2 Kh7 (21...g5 22.Bg3 Re8 23.f4-/+) 22.g4 (22.Nc1 a4-+) 22...Qc7 (22...b4 23.Nc1-+) 23.Kg2 (23.Be3 f5 24.f3 Qb7-+) 23...Rfb8 24.Qe2?! (24.Rc1-+) 24...b4 25.cb4 ab4 26.Rb1 Qa5 (better is 26...Nc6 27.Be3 Qb7 28.g5 Ne5 29.Nc1-+) 27.Nc1 Bb5 28.Bb5 (28.Be3 Kh8-+) 28...Qb5 (28...Rb5?! 29.Nb3 Qa6 30.Ng1-+) 29.Qf3 Rc8 30.Bh6-/+ Kh6 31.Qf7?? Qe8-+ 32.Qf4 Kh7 33.Ng5 Kg8 34.Nd3 Qf8 35.Qg3 Bh6 36.Ne6 Qf7 37.Ndc5 Rc5! 38.Nc5 Ra2?? 39.Rb3?? Qf4 40.Qf4 Bf4 41.h4? Bd2-/+ 42.Nd3? Ra3-+ 43.Nc5 Rb3 44.Nb3+= Bc3 45.f4?? Nc6-+ 46.f5 gf5 47.gf5 Nd4 48.Nc5 Nf5 49.h5 Be5 50.Kf3 Nd4 51.Ke3 Kh7 52.Kd2 Kh6 53.Nd3 Bd6 54.Kc1 Kh5 55.Kb2 Kg4 56.Ne1 0–1. Boulier,Rene (2065) – Rinie,Jean Jacques, Saint Affrique op, 2001. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 ba3 5.Na3 d5 6.e5 a6)

    6.e5 Bb4 7.Bd2 Bd2 8.Qd2 Bd7 9.Nf3 Ne7 10.Bd3 0-0 11.0-0 a6 12.Rfb1 Bc6 13.Qg5 h6 14.Qh5 Nd7 15.Qh3 Re8 16.g4 Ng6 17.Qg3 Ndf8 18.h4 Nh7 19.Kg2 b5 20.c3 Qe7 21.Kh3 Bd7 22.Nd2 Rec8 23.Rb3 b4 (23...Ngf8 24.Kg2-/+) 24.Bg6 fg6 25.cb4 Ba4 26.Rb2 Rab8 27.Rab1 Qc7 28.Nb3 Rb4 29.Nc5 Rb2 30.Rb2 Qc6 31.Qd3 Nf8 32.Rb4 (32.Qa6? Qa6 33.Na6 Rc3 34.Kg2 Ra3-+) 32...Bb5 33.Nb5 ab5 34.Qb5 Qb5 (better is 34...Qc7!?+=) 35.Rb5+/- Rc7 36.Rb8 Re7 37.Kg3 Kf7 38.Nb7 Rc7 39.f3 Kg8 40.Nc5 Re7 41.Kf2 g5 42.hg5 hg5 43.Kg3 ½–½. Kovacic,Peter (2155) – Susnik,Matej (2235), Tomo Zupan op, 1997. (=1.e4 c5 2.b4 cb4+= 3.d4 e6 4.a3 d5 5.e5 ba3 6.Na3 Bb4)

    6.e5 Ne7 7.c3 (7.Nf3 Nec6+=) 7...Nd7 (7...Nec6 8.Nf3+=) 8.f4 (8.Bd3 Nc6+=) 8...h5 (8...Nf5 9.Nf3-/+) 9.Bd3 (9.Nb5 Nc6=) 9...g6 (9...Nf5 10.Nf3+=) 10.Ne2 (10.Nb5 Nc6=) 10...h4 (10...Nf5 11.0-0=) 11.Bd2 (11.Nb5 Nc6=) 11...Nf5+= 12.Nb5 (12.0-0 b6+=) 12...a6 13.0-0 Nb6 14.Na3 Bd7 (better is 14...Qc7+=) 15.c4? (better is 15.Qb3!? Ba4 16.Qb2+=) 15...Ba3-+ 16.Bf5 gf5 (16...dc4?! 17.Be4 Ba4 18.Qb1=) 17.c5? Nc4 0–1. Stupfler,R – Botto,S, ARG–chB Buenos Aires, 1976. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 d5 6.e5 Ne7)

    6.e5 Nc6

    7.c3 Ba3 8.Ba3 Nge7 9.f4 0-0 10.Bd3 Re8 11.Nf3 Na5 12.Bh7+/- Kf8 13.Bd3 Nc4 14.Bc4 dc4 15.Ng5 g6 16.Nh7 Kg7 17.Nf6 Rh8 18.Qf3 (better is 18.Be7!? Qe7 19.Qf3+-) 18...Nd5+= 19.Nd5 Qd5 20.Be7 Qf3 21.gf3 Rh3 22.Kf2 Bd7 23.Kg2 Rh5 24.Rhb1 Bc6 25.Kg3 a6 26.Rb6 Rc8 27.Rd1 a5 28.Ra1 a4 29.Ra3 Ra8 30.Rb1 b5 31.Rb2 Ra7 32.Bc5 Ra8 33.Be7 Ra7 34.Bd6 Ra8 35.Rd2?? Rah8-+ 36.Rg2 Rh3 37.Kf2 Rf3 38.Ke2 Rf4 39.Rf2 Rf2 40.Kf2 Rh2 41.Kg3 Rg2 42.Kh3 Rc2 43.Be7 g5! 44.Bg5 Kg6 45.Bf6 Kf5 46.Kg3 Ke4 47.Kh4 Kf4 48.Bg5 Ke4 49.Kh5?? Kd3 50.Kh6 Rc3 51.Ra1 Kd4 52.Bf6 Be4 53.Kg7 Bg6 54.Rg1 a3 55.Rg6 fg6 56.Kf7 a2 57.Ke6 a1Q 58.Kf7 Rf3 59.Kg6 Rf6! 60.ef6 Qf1 61.f7 Qf7! 62.Kf7 c3 63.Ke6 c2 64.Kd6 b4 65.Kc6 b3 66.Kb5 b2 67.Ka4 b1Q 68.Ka3 c1Q 69.Ka4 Qc6 70.Ka3 Qa8 0–1. Stone,Jim – Gaviria Velazquez,Gustavo (2065), Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 d5 6.e5 Nc6)

    7.c3 Qa5 8.Bd2 Ba3 9.Qb3 Bd7 0–1. Hunstock,Joachim – Ratajczyk,H, Poznan–ch2 corr, 1990. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 ba3 6.c3 Nc6 7.Na3 Qa5)

    7.Nf3 a6 8.Bd3 Bb4 9.Bd2 Bd2 10.Qd2 Nge7 11.c3 Ng6 12.Nb5 0-0 13.0-0? (13.Bg6 fg6 14.Nd6 Ne7=) 13...f6 (13...Na5 14.Nd6 Nb3 15.Qe3 Na1 16.Ra1-/+) 14.Rfe1 (14.Bg6 hg6 15.Qe3 Bd7=) 14...fe5 (14...Na5!? 15.Bg6 hg6-/+ (15...ab5?! 16.Bc2=)) 15.de5 Rb8 (15...Nf4 16.Bc2+=) 16.Nbd4 Nd4 17.Nd4 Qe8 18.Qc2 Qf7 19.Re3 Rd8 20.Rg3 Nf8 21.Re1 g6 ½–½. Schettki,Martin – Lerch,Maximilian, Ruhrgebiet–ch U17, 1998. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 e6)

    7.Nf3 Bb4 8.Bd2= a6 9.Bb4+= Nb4 10.c3 Nc6 11.Bd3 (11.Nb5 f6+=) 11...Bd7 (11...Nge7 12.Nb5 0-0 13.Qb1=) 12.0-0 (12.Qb1 Nge7=) 12...b5 13.Nc2 Nge7 14.Nd2 (14.Nb4 Qb6+=) 14...Ng6 (14...0-0 15.Qh5 Ng6 16.Nb4+=) 15.f4 (15.Nb3 Nf4=) 15...0-0 16.Qh5 (16.Nb3 a5=) 16...Qh4?? (better is 16...Qc7+=) 17.Bg6+- (17.Bg6 Qh5 18.Bh5+-) 1–0. Goverde,R – Brouwers,G, NED U20 op Hengelo, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 e6)

    7.Nf3 Bb4 8.Bd2 Bd2 9.Qd2 Nge7 10.Nb5 0-0 11.Bd3 a6 12.0-0 Bd7 13.Nd6 Qc7 14.g4?? (14.Rfb1 b5=) 14...Nc8?? (better 14...f6 15.Rfb1 fe5 16.de5 Rf3 17.Rb7 Qd8-+) 15.Ng5 (15.Bh7 Kh8 16.Ng5 Nd6+-) 15...Nd6 (15...h6 16.Nh7 Nd6 17.Nf8 Rf8 18.ed6 Qd6 19.Be2-/+) 16.ed6?? (16.Bh7 Kh8 17.Qe3+- (worse 17.ed6 Qd6 18.Qe3 e5-/+)) 16...Qd6-/+ 17.Nh7 Rfe8 (better 17...Nd4 18.Qe3 Rfd8-+) 18.Qg5?? (18.Nf6 gf6 19.Qh6+-) 18...Qe7 (better 18...e5 19.f3 Nd4-+) 19.Qh5 g6?? (better 19...Nd4 20.f4 Bb5-+) 20.Qh6+- Nd4 21.Ng5?? (better 21.g5 Nf3 22.Kh1 Ng5 23.Ng5+=) 21...Qg5!-+ 22.Qg5 Nf3 23.Kg2 Ng5 24.h4 Ne4 25.f3 (25.Rh1 Kg7-+) 25...Nc5 26.Be2 (26.Ra5 b6 27.Ra3 b5-+) 26...b5 (26...a5 27.f4-+) 27.Kg3 (27.Rh1 a5-+) 27...Rec8 (27...a5 28.Rfb1 b4 29.h5-+) 28.h5 (28.Rh1 a5-+) 28...gh5 29.gh5 Kh7 30.Kh4 (30.Rg1 Rg8 31.Kf4 f6-+) 30...Rg8 31.f4 (31.Rg1 Rg1 32.Rg1 a5-+) 31...Rg2 32.Bf3 Rc2 33.f5 (33.Rac1 Rc4 34.Be2 Rc1 35.Rc1-+) 33...Rg8 34.Rg1 Rh2 0–1. Girdziusas,Kestutis – Gurevicius,Arunas (1680), LTU Championship, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 e6)

    7.Nf3 Bb4 8.Bd2 Bd2 9.Qd2 Nge7 10.Bd3 Ng6 11.h4 h5 12.c3 f5 (12...Nce7!?+=) 13.Nb5+/- Qe7 (13...0-0!?+/-) 14.Nd6+- Kd8 (14...Kf8 15.Ng5+-) 15.g3 Nf8? (15...Kc7 16.0-0+-) 16.Ng5 (better is 16.0-0 a6+-) 16...Rg8 (16...Kc7 17.Be2+-) 17.0-0 (17.c4 dc4 18.Bc4 Kc7+-) 17...g6 (17...Nd7 18.Qe2+-) 18.Rfb1 (better is 18.c4!? a5+-) 18...Rg7 19.Bb5 Nh7 20.f4 (better is 20.Nh7 Rh7 21.c4 dc4 22.Rc1+-) 20...Ng5+/- 21.fg5 Qc7 22.c4 Bd7 23.cd5+- ed5 24.Ba4 Rb8 25.Rb2 a6 26.Bb3 Be6 27.Kh2 Rd7 28.Qe3 Ke7 29.Rc1 Qb6 30.Rd2 Kf8 31.Ba4 Rc7 32.Rdc2 Qb4 33.Bb3 Re7= 34.Rd1 Rd7 35.Rc5 Ne7 36.Rdc1 b6 37.R5c3 a5 38.Qd2 Kg7 39.Ra1 Rc7!?+= 40.Rac1 Rc3-/+ 41.Qc3 Qc3 42.Rc3 b5 43.Rc7 Kf8 44.Nb7 a4 45.Ba2 Rc8 46.Nc5+= Bf7 47.Rc8 Nc8 48.e6? Be8-+ 49.Bd5 b4 50.Ba2?! Ke7 51.Kg1 Nd6 52.d5 Ne4 53.Nd3?? b3 54.Bb1 Nc3 0–1. Kalisch,Tom – Lojanica,Milenko, Melbourne Rating, 2001. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 ba3 5.Na3 d5 6.e5 Nc6)

    7.Nf3 Bb4 8.Bd2= Bd2!? 9.Qd2 Nh6 =.

    7.Nf3 Bb4 8.Bd2 Bd2 9.Nd2 Nd4 10.c3 Nc6 -/+.

    7.Nf3 Bd7 8.c3 Rc8 9.Bd3 a6 10.0-0 Nge7 11.c4 (11.Bd2 Na5=) 11...Nb4= 12.Be2 dc4 13.Nc4 Ned5 14.Bg5 Nc3 15.Qd2 Ne4 16.Qf4 (worse 16.Bd8 Nd2 17.Nfd2 Kd8-/+) 16...Ng5?? (better 16...Nc3 17.Qd2 Ne4=) 17.Ng5+- f5 18.ef6! Qc7 (18...Qf6 19.Nd6 Double attack; 18...gf6 19.Bh5 Mate attack) 19.fg7 Qf4 20.gh8Q (20.gh8R?! Qg5 21.Nd6 Ke7 22.Nc8 Bc8 23.Rh7 Kd6+-) 20...Rc4 21.Bc4 Qg5 22.Qe5 (better 22.Qh7!? b5 23.Bb3 Qh6+-) 22...Qe5 23.de5 Bc5 24.Rfc1 Bd4 25.Rab1 a5 26.g3 (26.Re1 Bc5+-) 26...b5 (26...Be5 27.Re1 Bc3 28.Re4+-) 27.Rd1 (27.Be2!? h6+-) 27...Be5 28.Rd7! bc4? (28...Kd7 29.Bb5 Combination) 29.Ra7 (29.Rh7?! c3 30.Rh4 c2+-) 29...Nc6 (29...c3 30.Ra5 c2 31.Rc1+-) 30.Ra6 (better 30.Rh7!? c3 31.Rb5 Bd6+-) 30...Kd7 31.Rb7 Bc7 32.Kf1 c3 33.Ke1 e5 (33...Nb4 34.Ra5 Kc6 35.Rc7 (35.Rb4?! Ba5 36.Rc4 Kd5+-) 35...Kc7 36.Rc5 Kd7 37.Rc3+-) 34.Rb3 Nb4 (34...c2 35.Kd2 Nd4 36.Rd3+-) 35.Ra7 (better 35.Rh6 c2 36.Rh7 Kd6 37.Kd2+-) 35...Nd3 (35...Nc6 36.Ra8 c2+-) 36.Kf1 Nb4 37.Rc3 Nd5 (37...Nc6 38.Ra6 Nb4+-) 38.Rd3 1–0. Demir,M (1805) – Asikoglu,Engin Can, Turkish Cup, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 e6)

    7.c3 a6

    8.Bd3 Qa5 9.Bb2 Qc7 10.Nf3 f6 11.ef6 gf6 12.0-0.

    8.Bd3 Qa5 9.Bd2 Qb6 10.Nf3 Bd7 11.0-0 Rc8 12.Ng5.

    8.Bd3 Qa5 9.Bd2 Qc7 10.Nf3 Be7 11.0-0 b6 12.Qc2.

    8.Bd3 Qc7 9.Ne2 (9.Nb5 Qb8 10.Na3 b5 11.Nf3 Bb7 12.Qc2) 9...f6 (9...Ra7 10.0-0 f6 11.Be3 b6 12.ef6) 10.ef6 Nf6 (10...gf6 11.0-0 e5 12.Nb5) 11.Bf4 Qd8 (11...e5 12.de5 Ne5 13.Nb5=) 12.Nb5= Kf7 13.Ng3 (13.0-0 Be7=) 13...Bd7 14.Bc7 (14.Nd6 Bd6 15.Bd6 b5=) 14...Qe7 (14...Qe8 15.Nd6 Bd6 16.Bd6+=) 15.0-0= Kg8 16.Bf4 (16.Bb6 Qf7=) 16...Ne8 (16...Qd8 17.Na3=) 17.Re1 Qf7 18.Nc7?? (better is 18.Qd2=) 18...Rc8-+ 19.Ne6 Be6 20.Re6 Qf4 21.Bf5 g6 22.Qb3 Rd8 23.Qb7+= gf5 24.Qc6 Ng7 25.Re5 h5 26.Nf5+/- Qe5?? 27.de5+- 1–0. Jurkovic,Hrvoje (2370) – Gomboc,Miha (2115), Oberwart op, 1999. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 ba3 5.c3 d5 6.e5 Nc6 7.Na3 a6)

    8.Bd3 Bd7 9.f4 (9.Nf3 Nge7+= 10.0-0 b5 11.Bb5 Ne5 12.Ne5) 9...Nh6 (9...Qh4 10.g3 Qd8 11.Nf3 Be7 12.0-0) 10.Nf3 Be7 11.Ng5 (11.0-0 b5 12.Nc2) 11...Bg5 (11...Nf5 12.0-0-/+) 12.fg5= Nf5 13.h4 (13.0-0 Nce7=) 13...Qc7 (better is 13...Qc8 14.Qc2 b5+=) 14.g4?? (14.Bf5 ef5 15.Nb5 Qb6 16.Nd6 Kf8=) 14...Nfd4?? (better is 14...Ne5 15.de5 Qc3 16.Kf2 Qa1 17.gf5 Qe5-+) 15.cd4+= Nd4 16.Bf4 Qc3 17.Kf2 0-0 18.Nc2 Nc2 19.Bc2 Rfc8 20.Rc1 Qb2 21.Re1 Ba4+= 22.Re2 Bc2 23.Rec2 Rc2 24.Qc2 Qc2 25.Rc2 b5 26.Rc7 a5 27.Ke2 a4+= 28.Rb7 a3 29.Be3 h5 30.gh5= g6 31.hg6+= fg6 32.Ra7 Rc8 33.Ra3 Rc4 34.Ra8 Kf7 35.Ra7 Kf8 36.h5! gh5 37.g6 Rc8 38.Bh6 Kg8 39.Rg7 Kh8 40.Rf7 b4 41.g7 Kh7+- 1–0. Leandro,J (2110) – Ruiz Blaiz,Sebastian, LXVII ch–CRC, 2003. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 ba3 6.c3 Nc6 7.Na3 a6)

    8.Bd3 Nge7 9.Nf3 (9.Nb5 Ng6 10.Bg5 Qg5 11.Nc7 Kd8 12.Na8) 9...Nf5 10.Bg5 Qd7 11.Nb5 Rb8 12.g4.

    8.Nf3 Ra7 9.Bd3 b5 10.0-0 Be7 11.Qc2 h6 12.Be3.

    8.Nf3 b6 9.Bd3 f6 10.ef6 gf6 11.Bf4 Bd6 12.Bd6.

    8.Nf3 Qc7 9.Nb5 (9.Qc2 Ra7 10.Bd3 h6 11.0-0 Be7 12.Be3) 9...Qb8 10.Na3 b5 11.Bd3 Bb7 12.Qc2.

    8.Nf3 Bd7 9.Bd3 b5 10.0-0 Be7 11.Nc2 Na5 12.Ne3.

    8.Nf3 Bd7 9.Bd3 b5 10.Nc2 Be7 11.0-0 Na5 12.Ne3.

    8.Nf3 Be7 9.Bd3 Bd7 10.0-0 b5 11.Nc2 Ra7 12.Ba3.

    8.Nf3 Nge7 9.Nb5 Ng6 10.Bg5 Qd7 11.Bd3 Rb8 12.Na3.

    8.Nf3 Nge7 9.Bd3 Nf5 10.Bg5 Qd7 11.Nb5 Rb8 12.g4.

    8.Nf3 Nge7 9.Bd3 Ng6 10.h4 Qa5 11.Qb3 Nge7 12.Qb1.

    8.Nf3 f6 9.Nc2 Qc7 10.Bf4 fe5 11.de5 Nf6 12.c4.

    8.Nf3 f6 9.Bd3 fe5 10.de5 Qa5 11.Qb3 Bc5 12.0-0.

    8.Nf3 f6 9.Bd3 fe5 10.de5 Qa5 11.Qc2 d4 12.Be4.

    7.c3 Be7

    8.Nf3 Qa5 9.Qb3 f6 10.Nc2 Qd8 11.Bb5 Bd7 12.0-0.

    8.Nf3 a6 9.Bd3 b6 10.Be3 Bb7 11.0-0 Qc7 12.Qc2.

    8.Nf3 a6 9.Bd3 Bd7 10.0-0 b5 11.Nc2 Na5 12.Ne3.

    8.Nf3 a6 9.Be3 Ra7 10.Bd3 Qb6 11.Qc2 f5 12.0-0.

    8.Nf3 a6 9.Be3 b6 10.Bd3 Bb7 11.0-0 Qc7 12.Qc2.

    8.Nf3 b6 9.Bd3 a6 10.0-0 Bb7 11.Be3 b5 12.Qc2.

    8.Nf3 b6 9.Bd3 Bb7 10.0-0 a6 11.Nc2 Qc7 12.Bd2.

    8.Nf3 b6 9.Be3 Bb7 10.Bd3 a6 11.0-0 b5 12.Nd2.

    8.Nf3 b6 9.Bf4 a6 10.Bd3 Ra7 11.0-0 Bb7 12.Nc2.

    8.Nf3 Bd7 9.Bd3 a6 10.0-0 b5 11.Be3 b4 12.cb4.

    8.Nf3 Bd7 9.Bd3 f6 10.0-0 a6 11.Re1 fe5 12.Ne5.

    8.Nf3 f6 9.Nb5 (9.Be3 b6 10.Bd3 Bd7 11.Nb5 a6 12.Nd6) 9...a6 10.Bf4 g5 11.ef6 gf4 12.fe7.

    8.Qg4 Qa5 9.Ne2 Bf8 10.Nc2 Qc7 11.Na3 Qb6 12.Nf4.

    8.Qg4 g5 9.Qd1 Bd7 10.Nf3 Rc8 11.Nb5 a6 12.Nd6.

    8.Qg4 g5 9.Qd1 Bd7 10.Nf3 g4 11.Nd2 Qa5 12.Ndb1.

    8.Qg4 g6 9.Bd3 f6 10.Qh3 Kf7 11.Nf3 fe5 12.de5.

    7.c3 Nge7

    8.Nb5 Ng6 9.Bd3 Bd7 10.Ba3 Ba3 11.Ra3 0-0 12.Bg6.

    8.Nb5 Ng6 9.Bd3 Bd7 10.Ba3 Ba3 11.Ra3 0-0 12.Nh3.

    8.Nb5 Ng6 9.Nf3 Be7 10.Ba3 Ba3 11.Ra3 0-0 12.Qd2.

    8.Nb5 Ng6 9.Bg5 Qd7 10.Bd3 a6 11.Nf3 Rb8 12.Na3.

    8.Bg5 Qb6 9.Bd3 Nf5 10.Nb5 Bd7 11.Qe2 a6 12.g4.

    8.Bg5 Qd7 9.Bd3 (9.Qh5 Nf5 10.Bd3 h6 11.g4 g6 12.Qh3; 9.Nb5 Ng6 10.Bd3 a6 11.Nf3 Rb8 12.Na3) 9...h6 10.Qh5 Rg8 11.Bd2 Nf5 12.Nf3.

    8.Nf3 Ng6

    9.Bb5 a6 10.Nc2 Bd7 11.Bd3 Qc7 12.0-0.

    9.Bb5 Be7 10.0-0 0-0 11.Bd3 b6 12.Qe2.

    9.Nb5 Be7 10.Ba3 Ba3 11.Ra3 0-0 12.Qd2.

    9.Nb5 Be7 10.Ba3 Ba3 11.Ra3 0-0 12.Bd3.

    9.h4 Qa5 10.h5 Nge7 11.Bg5 Qb6 12.Nb5.

    7.c3 f6

    8.Bd3 fe5 9.Qh5 Kd7 10.de5 Qa5 11.Ne2= Nge7 12.0-0 g6 13.Qh4 Bg7 (worse is 13...Ne5 14.Qf6 Nd3 15.Qh8 Nc1 16.Rfc1+/-) 14.f4 Nf5 (14...Qc5 15.Kh1=) 15.Qh3 (15.Qf2 Bf8 16.Nc2 Qc7=) 15...h5 (15...Bf8 16.Nc2 Qb6 17.Kh1=) 16.c4 (16.Be3 Ne3 17.Qe3 g5+=) 16...dc4 17.Bf5 gf5 18.Nc4 (18.Be3!?=) 18...Qa1+= 19.Qd3 (19.Ba3 Qa2 20.Qd3 Ke8+=) 19...Ke8 20.Nd6 (20.Ba3 Qf1 21.Kf1 Bf8=) 20...Kf8-/+ 21.Nc8 Kg8 22.Qd7 Kh7 23.Nd6 Qa2 (23...Nd4 24.Ng3 Rhg8 25.Nh5=) 24.Ng3+= Rad8 (24...Rhg8 25.Qb7 Qc2 26.Qf7+=) 25.Qf7 (25.Qb7 Nb8+=) 25...Rdf8 26.Qb7 Nd8 27.Qe7 Qd5 (27...Nc6!? 28.Qc7 Qa6 29.Nh5 Qb6 30.Qb6 ab6+/-) 28.Nh5+/- (worse is 28.Qa7 Nc6 29.Qe3 h4=) 28...Qc5?? (better is 28...Rhg8 29.Ne8 Re8 30.Nf6 Kh8 31.Nd5 Re7 32.Ne7 Re8+-) 29.Kh1+- Rhg8 30.Ng7 Rg7 31.Qf8 Nf7?? (better is 31...Qd5 32.Ne4 Qe4=) 32.Qc8 (32.Be3! Qc2 33.Rg1 Nd6 34.Qd6 Qe4+-) 32...Qd5 33.Qb7 Qd3 34.Qf3 Qa6 35.Ne8 Rg6 36.Rd1 Qc4 37.Nd6 (37.Nd6 Qc7 38.Be3+-) 1–0. Reinke,Markus (2290) – Ziegler,Ari (2315), NRW–Liga I, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 e6)

    8.Bd3 fe5 9.Qh5 Kd7 10.de5 Nge7 11.Nf3 (worse is 11.Bh7 g6 12.Qh3 Nf5-+) 11...g6 12.Qg5 Nf5 13.0-0 (13.Nb5 Qg5 14.Bg5 Bg7-/+) 13...Be7 (13...Qg5 14.Bg5 Be7 15.Be7 Nfe7 16.Nb5+=) 14.Qg4 Qa5 15.Bb2 Qb6 16.Bc1 Rf8 17.Rb1 Qa5 18.Nb5 a6 19.Bb2 Nh4 (worse is 19...ab5 20.Ra1+=) 20.Nfd4 (20.Nh4? Ne5 (20...ab5 21.Ra1 Ne5 22.Qg3 Nd3 23.Ra5 Bh4 24.Qh4 Ra5 25.Qh7 Kc6 26.Qe7+/-) 21.Qg3 Nd3 (21...ab5? 22.Qe5 Bf6 23.Qf4+-) 22.Qd3 Qb5-/+ (22...ab5?! 23.Ra1 Bh4 24.Ra5 Ra5 25.Qd4+=; 22...Bh4?! 23.Nd4-/+)) 20...Nd4 21.Nd4 Nf5 22.Nf5 gf5 23.Qh5 Rh8 24.c4 dc4 (24...Qd2 25.Qf3 Qg5 26.cd5+/-) 25.Bf5 Kc7 26.Qf7 Qc5 27.Bh7 (27.Be6? Rf8 28.Qh7 Be6-+) 27...Rf8 28.Qg7 Kb8 29.Be4 Rf4 30.Bf3 Qc7 31.Qg3 Rf5 32.Be4 Rg5 33.Qe3 Bd7 34.Ba3 Bb5 35.Bd6! Bd6 36.Qg5 Be5 37.f4 Bd4 38.Kh1 Ka7 39.Rb5 ab5 40.Qb5 ½–½. Haas,Bernd – Andre,Karl, GER theme, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 ba3 6.Na3 e6)

    8.Bd3 f5 9.Nb5 (9.Nf3 Be7=) 9...a6 10.h4 (10.Nf3 Bd7 11.Nd6 Bd6 12.ed6 Nf6+=) 10...Rb8+= 11.Bg5 Qd7 12.Na3 b5 13.Nc2 a5 14.g4 b4 15.gf5 ef5 16.Rh3 (16.Ne3 Qf7+=) 16...Qf7 17.Qe2 (17.Ne2-/+) 17...Be6 (better is 17...f4!? 18.e6 Qe6 19.Bf4 A) 19...bc3?? 20.Re3 Rb7 21.Re6 Be6 A1) 22.Qe6?! Re7 23.Qe7 Ke7+- (23...Be7?? 24.Bb5 Kd7 25.Ra5+-); A2) 22.Nf3+-; B) 19...Qe2 20.Ke2 Bh3 21.Bb8 Bg4 (21...Nb8 22.Nh3 b3 23.Ne3+/-) 22.f3 Bd7 (22...Nb8?! 23.fg4 b3 24.Ne3+=) 23.cb4 ab4-/+) 18.Bb5+= Qb7 (18...Qc7 19.cb4 ab4 20.Ra6=) 19.Ra5= b3 (19...h6 20.Ba4 Kf7 21.Ra6+=) 20.Nb4+= Bb4 21.cb4 Kf7 22.Bc6 Qb4 23.Bd2 (23.Qd2 Qd2 24.Kd2+-) 23...Qa5!-/+ 24.Ba5 b2 25.Qb2 (25.Qh5!? g6 26.Qd1-+) 25...Rb2-+ 26.Nf3 h6 27.Nd2? (better is 27.Bc3 Ra2 28.Nd2-+) 27...Ne7 28.Rc3 (28.Bc3 Rd2 (28...Nc6?! 29.Bb2 f4 30.Rb3=) 29.Kd2 Nc6-+) 28...Rc8 (28...Nc6?! 29.Rc6 g5 30.hg5 hg5 31.Rc7 Ke8 32.Bc3 Rh1 33.Ke2-+) 29.Bc7 Nc6 30.Rc6 Rb7 0–1. Goverde,R – Wortel,Marten (2280), NED U20 op Hengelo, 1999. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nc6 5.d4 d5 6.e5 e6)

    8.Nf3+= Qa5 9.Qb3 fe5 10.de5 Bc5 11.Ra2 Nge7 12.Nb5.

    8.Nf3+= Qa5 9.Qd2 fe5 10.de5 Nh6 11.Qb2 Nf7 12.Nb5.

    8.Nf3+= Qa5 9.Qd2 fe5 10.de5 Nh6 11.Bb5 Nf7 12.Nd4.

    8.Nf3+= a6 9.Bd3 fe5 10.de5 Qa5 11.Qb3 Bc5 12.0-0.

    8.Nf3+= Bd7 9.Nb5 fe5 10.de5 a6 11.Nbd4 Qc7 12.Bf4.

    8.Nf3+= Bd7 9.Nb5 fe5 10.de5 a6 11.Nbd4 Qc7 12.Bf4.

    8.Nf3+= fe5 9.de5 Bc5 10.Nb5 Nge7 11.Ba3 Ba3 12.Ra3.

    5.d4 Nf6

    6.Bd3 Nc6 7.Nf3 Be7 8.0-0 0-0 9.c3 b6 (9...d5 10.e5 Ne4 11.Qe1=+) 10.Bc2 (10.e5 Nd5=+) 10...d6 11.Re1 e5 12.Nc4 Qc7 13.Qd3 (13.Ne3 Na5=+) 13...Bb7 (13...ed4 14.Bg5 dc3 15.Bf6-/+) 14.Ne3 White plans d5 14...Rfe8 (14...Na5 15.Nf5 Rfc8 16.Ra2=+) 15.Nd5= Qd8 16.Ba4 Qb8 (better 16...ed4!? 17.cd4 a6=) 17.Nf6+- (17.Ne7?! Re7 18.Bg5 Qc7+=) 17...Bf6 18.d5 Qc7 (18...Na5!? 19.Be8 Qe8+-) 19.dc6 Bc6 20.Bc6 Qc6 21.Bd2 a5 22.Reb1 Rad8 (22...Bd8 23.c4+-) 23.Be3 Rb8 24.c4 Rec8 25.Nd2 Rc7?! (25...Be7 26.Rb5+-) 26.Rb5 (better 26.Ra5! Rcb7 27.Rab5 Bd8+-) 26...Rcb7 27.Qd5 Qc7 (27...Qd5 28.cd5 Bd8 29.Nc4+-) 28.Rab1 (28.Ra4 Ra7+-) 28...Bd8 29.Nb3 (better 29.Nf3+-) 29...Ra8? (29...Ra7+-) 30.Na5! Rbb8 (30...Ra5 31.Bb6 Double attack (31.Bb6 Decoy); 30...ba5 31.Rb7 Pinning (31.Rb7 Deflection)) 31.Bb6 Qd7 32.Bd8 Qd8 1–0. Korman,Roman (1775) – Gryga,Yaryna, Lviv Winter Cup, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 Nf6)

    6.Bd3 d5 7.ed5 Nd5 8.Nb5 =+.

    6.Bd3 Bb4

    7.Bd2 Ba3 8.Ra3 d6 +=.

    7.Bd2= Qa5 8.Nc4 Bd2 9.Nd2 Qg5 10.Ngf3+= Qf4 11.e5 Nd5 12.Ne4 0-0 13.Nfg5 f6?? 14.ef6 gf6 15.Nh7!+/- Kh7?? 16.Nf6+- (16.Nf6 Kg7 17.Nh5 Kh8 18.Nf4 Nf4 19.Bf1+-) 1–0. Gorbunova,Anna – Sapojnikov,Evgeny, 7th Stage Russian Cup, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 Nf6 6.Bd3 Bb4)

    7.Bd2 Bd2 8.Qd2 Nc6 9.c3 0-0 10.f4 d5 11.e5 Ne4 12.Be4 de4 13.Ne2 f5 14.0-0 Rb8 15.Rfb1 Kh8 16.Nc4 b6 17.Nd6 Bb7 18.Ng3 Qe7 19.c4 g5 20.d5 e3 21.Qe3 gf4 22.Qf4 ed5 23.Re1 (worse is 23.Nb7 Rb7 24.cd5 Qe5+=) 23...dc4 24.e6 Qf6 25.Rad1 (worse is 25.Nc4 Rfe8=; 25.Nb7?! Rb7 26.Qc4 Ne7=) 25...b5 26.Nh5 (26.Rd5!? Qc3 27.Rc1+/-) 26...Qg6 27.Nf7 Kg8 28.Nh6 Kh8 29.e7 Rfe8 (29...Rg8 30.Ng8 Rg8 31.Qf2+-) 30.Ng3 (30.Rd6 Qh5 31.Rc6 Qg6 32.Rg6 hg6 33.Re6 Ba6 34.Nf7 Kg8 35.Qh6 Re7 36.Qh8 Kf7 37.Rf6) 30...Ne7 31.Re7! Qb6? 32.Rd4+- Re7 33.Qb8 Kg7 34.Ngf5 Kf6 35.Qf8 (35.Qf8 Kg6 36.Ne7 Kh5 37.g4 Kg5 38.Qf4 Kh4 39.Nhf5 Kh3 40.Qg3) 1–0. Ingvaldsen,Jonas A (1875) – Kirkebo,Carl Peter (2060), NOR–chT east, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.d4 Nf6 6.Bd3 Bb4)

    7.Bd2= Bd2 8.Qd2 d6 9.e5 de5 10.de5 =+.

    7.Bd2 Bd2 8.Qd2 d6 9.f4 0-0 10.Nf3 Nc6 11.c3 e5 12.fe5 (12.de5 de5 Combination; 12.fe5 de5 Combination) 12...de5 13.d5 Ne7 14.Ne5 Ned5 15.0-0 Nb6 16.Rad1 Qe7 17.Nac4 Nc4 18.Nc4 Be6 (worse is 18...Ne4 19.Qe3 f5 20.Nd6+=) 19.Qg5 h6 20.Qe3 Bc4 21.Bc4 Qe4 (worse is 21...Ne4 22.Rf4 Rae8 23.Re1+/-) 22.Qe4 Ne4 23.Rd7 Nc5 24.Rdf7 Rf7 25.Rf7 Kh7 26.Rc7 (better is 26.Bd5!? Re8 27.Rc7+=) 26...b6-/+ 27.Bd5 Rd8 28.c4 a5 29.Ra7 Kg6 30.Kf1 Rd7 31.Ra8 Kf6 32.Ke1 Ke5 33.Kd2 b5 34.Kc3 b4-+ 35.Kc2 b3 36.Kb2 a4 37.Bc6?? Rd2 38.Ka3 Ra2 39.Kb4 b2 40.Kc5 b1Q 41.Re8 Kf6 (41...Kf6 42.Bd5 Qg1 43.Kc6 Rg2-+) 0–1. Martin Martinez – Canteli Martinez, Asturias–chT Preferente, 1998. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 ba3 5.Na3 Nf6 6.Bd3 Bb4)

    7.Kf1 0-0 8.Bb2? (8.e5 Nd5+=) 8...Nc6 (8...d5 9.e5 Ne8 10.c3-/+) 9.c4 (9.c3 Be7 10.Qc2-/+) 9...d5 10.cd5 ed5 11.e5 Ne4 12.f3? (12.Be4 de4 13.d5 Na5-/+) 12...Ng5?? (better is 12...Nd2 13.Ke2 Qb6-+) 13.h4 Ne6 14.Qc2? (14.Nc2!?-/+) 14...h6 (14...Ned4!? 15.Bd4 Nd4 16.Bh7 Kh8 17.Qd3-+) 15.Ne2 a6 (better is 15...Qb6 16.Rb1 Qa5-+ (16...Ncd4?! 17.Nd4 Nd4 18.Bd4 Qd4 19.Nb5+=; 16...Ned4?! 17.Nd4 Nd4 18.Bd4 Qd4 19.Nb5+=)) 16.f4? (16.Qb1 Re8-/+) 16...f6 (better is 16...Qb6 17.Rc1-+) 17.Kg1?? (better is 17.g3-+) 17...fe5 18.fe5 Bd7 19.g3?? Qb6 20.Rd1 Ne5 21.Bh7 Kh8 22.Kg2 Ng4 23.Qb1 Rf2 24.Kh3 Re2 25.Kg4 Nd4 (25...Nd4 26.Kh5 Re5 27.Qf5 Rf5 28.Kg4 Re5 29.Kf4 Qf6 30.Bf5 Qf5; 25...h5 26.Kf3 Nd4 27.Rd4 Bg4 28.Rg4 Qf2) 0–1. Kamenov,Valentin – Dimitrov,Encho, Mizia op, 2002. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 Nf6 5.Bd3 ba3 6.Na3 Bb4)

    7.Kf1 d5 8.e5 Nfd7 9.Qg4 +=.

    4.Na3 Nf6

    5.d3 d6 6.Nf3=+ g6 (6...e5 7.Be2=+) 7.Nc4 (7.c3 Bg7=+) 7...Bg7 8.Be3 Na6 9.Be2 0-0 (9...d5 10.ed5 Nd5 11.d4=+) 10.0-0 d5 (10...Qc7 11.Qb1=+) 11.Ncd2 (11.ed5 Nd5 12.d4 Bf5=+) 11...de4-/+ 12.de4 (12.Ne4 Nd5 13.d4 f5-/+) 12...Ng4 13.Bf4 (13.Ra3 Ne3 14.Re3 Nc5-/+) 13...Ba1-+ 14.Qa1 Nf6 (14...Nc5 15.h3 Nf6 16.Rd1-+) 15.Bh6 (15.Ba6 ba6 16.c4 Qd7-/+) 15...Re8 16.Ne5 (16.Bb5 Bd7 17.Ba6 ba6-/+) 16...Nc7 (16...Nc5 17.Bb5 Bd7 18.Nd7 Ncd7 19.e5=+) 17.Ndf3 (17.Rd1 Qd6-/+) 17...Ne6 (17...Be6 18.Rb1 Qc8 19.Bd3-+) 18.Bc4 (18.Bb5!?-/+) 18...Qc7 (18...Ne4?? 19.Nf7 Nf6 20.Nd8 Rd8 21.Ng5+-) 19.Qa2 (better 19.Ng5 Ng5 20.Bg5-/+) 19...b5?? (19...Ne4 20.Nf7 Kf7 21.Re1=+) 20.Bb3?? (20.Bb5 Bd7 21.Bd7 Nd7 22.Nf7 Ndc5+=) 20...Qb6?? (better 20...Ne4 21.Nf7 Kf7-+) 21.Nf7= Kf7 22.Be6 (22.Ng5 Kg8 23.Be6 Be6 24.Ne6 Qc6=) 22...Be6 23.Ng5 Kg8 24.Ne6 Kh8 (24...Qc6 25.Nc7 Qc4 26.Qc4 bc4 27.Ra1=) 25.Bg7+= Kg8 26.Bh6 (26.Bf6 ef6 27.Nc7 Kg7 28.Na8 Ra8=) 26...Qc6 27.Nc5 (better 27.Nc7! Qc4 28.Qc4 bc4 29.Ra1=) 27...e6-+ 28.Qb2 Qc5 29.Qf6 Qe7 (29...Qc7 30.Qb2-+) 30.Qe5 b4 (30...a6 31.Rd1-+) 31.Rb1 (31.c3 a5 32.cb4 ab4-+) 31...a5 32.Bd2 (32.c3 bc3 33.Qc3-+) 32...Qg7 33.Qb5 (33.Qg7 Kg7 34.c3 Red8-+) 33...Red8 (33...Qd4 34.Qe2-+) 34.Bc1?? (34.Be3-+) 34…Rd1 (34...Rd1 35.Qf1 Rf1 36.Kf1 Qc7-+) 0–1. Joensen,Ingi W (1710) – Hojgaard,Brandur (1790), Runavik Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nf6)

    5.e5 Nd5

    6.c4 Nb4 7.Nf3 e6 (7...N8c6 8.Nc2+=) 8.Nb5 Qb6 (8...N8c6 9.Bb2=) 9.Ba3 (9.d4 Be7 10.Bd2+-) 9...a6 10.Bb4 Bb4 11.Qb3 (11.Rb1 Nc6 12.c5 Qa5= (worse is 12...Qc5 13.Nc7 Kd8 14.Na8+/-)) 11...Nc6+= 12.Nd6 Ke7 13.Rb1 (13.Qb2 f6 14.Ne4 f5-/+) 13...a5 14.Qd3 Qc5 (14...a4 15.Ne4 a3 16.c5+=) 15.Qe4 (15.Ne4 Qa7=) 15...a4 (15...f6 16.ef6 gf6-/+ (worse is 16...Kd6 17.Qf4 e5 18.fg7 ef4 19.gh8Q+=)) 16.Qf4+/- f6 (16...f5 17.g4 Ne5 18.Nc8 Rhc8 19.Ne5 a3=) 17.Qg3?? (17.Ne4 Bd2 18.Kd2 Qa5 19.Kd1 fe5+-) 17...g6?? (better is 17...Kf8 18.Ne4 Qe7-/+) 18.ef6 (better is 18.Ne4!? Qa5 19.ef6 Kf8 20.c5+-) 18...Kf8+/- 19.Rb4 Qb4 20.Bd3 Qb2?? 21.Qf4 h6+= 22.Nh4 Qe5 23.Qe5?? Ne5= 24.Bb1 g5 25.d4 gh4 26.de5 a3 27.Ba2 b6 28.0-0 Ba6 29.Rb1 Rb8 30.Rb4 Rg8-/+ 31.c5 b5 32.h3? h5?? 33.Rh4= b4 34.Rh5 b3 35.Bb3 Rb3 36.Rh7 Rb1?? 37.Kh2+- Bb7?? 38.Rf7# 1–0. Al_Khulaifi,Ghada (1645) – Asanga,Nsisong, 40th Women Olympiad, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    6.c4 Nc7 7.d4 d6 8.Nf3 =+.

    6.c4 Nc7 7.d4 d6 8.f4 e6 9.Be2 de5 10.fe5 Bb4 11.Bd2 Ba3 12.Ra3 Qd4 13.Nf3 Qc5 14.Ra5 Qe7 15.Bg5 Qb4 16.Bd2 Qb2 17.Ra1 Nc6 18.Rb1 Qa3 19.Rb3 Qc5 20.Be3 Qa5 21.Bd2 Qa4 22.Qb1 b6 23.0-0 Bb7 24.Qb2 Ne7 25.Bb4 Nf5 26.g4 Nh6 27.Nd4 Qd7 28.Bd6 Ng8 29.c5 Ne7 30.cb6 ab6 31.Rb6 Bc8 32.Rc1 Ned5 33.Rbc6 Qd8 34.Rc7 Nc7 35.Rc7 Qc7 36.Bc7 0-0 1–0. Pinasco,Damian (1980) – Deschamp,Guy (2245), IECG, 2000.

    6.c4 Nc7 7.d4 e6 8.Nf3= Bb4 9.Bd2 Bd2 10.Qd2 d5 11.c5 Nd7 12.Nb5 Nb5 13.Bb5 0-0 14.0-0 f6 15.Rfe1 fe5 16.Ne5 Ne5 17.Re5 Bd7 18.Bd3 Qf6 19.Rae1 Rf7 20.R1e3 Raf8 21.Rf3 Qd8 22.Rf7 Rf7 23.Qe2 Qf6 24.g3 Qf3=+ 25.Qd2 Qf6 26.f4= g6 27.Qa5 a6 28.h4 Bc6 29.Kf2 Qe7 30.Qe1 Bd7 31.h5 g5= 32.f5 Qf8 33.Kg1= ef5 34.Rd5 Re7 35.Re5+/- Re5 36.Qe5 Qe8?? 37.Qe8 Be8+/- 38.Bf5 Bh5 39.Bc8 Bf3= 40.Be6 Kf8 41.Kf2 g4 42.Ke3 Ke7 43.Bc4 Kf6 44.Kf4 a5 45.Bd3 h6 46.Bc4 a4 47.Bb5 a3 48.Bc4 h5 49.Ba2 Bc6 50.Bc4 Be8 51.d5 Ba4 52.Ba2 Bc2 53.Ke3 Ke5 54.Kd2 Be4 55.d6 Bf5 56.Ke3 Bd7 57.Bb3 Be6 0–1. Gorla,Luciano – Frauenfelder,Rudolf, SWZ–ch Graechen, 1999.

    6.c4 Nc7 7.Nf3 d6 8.ed6 Qd6 9.Be2 Nc6 10.0-0 e5 11.Re1 Be7 12.Nb5=+ Qd8 13.Bb2 f6 14.d4 ed4 15.Nfd4+= Nd4 16.Nc7 Qc7 17.Qd4 0-0=+ 18.Bf3 Bc5 19.Bd5 Kh8=+ 20.Qh4 Bf5 21.g4 Qf4 22.h3 g5-+ 23.Bc1 Qd4 24.Be3 Qe3 25.fe3= gh4 26.gf5 Rab8 27.Rab1 b6 28.Kf2 a5 29.Ra1 Rfe8 Re7=+ 31.Re2 Rg7-/+ 32.Kf4 Rg3-+ 33.Rd1 Rd8 34.Rde1 a4 35.e4 Bd6 36.e5 Be5 37.Re5 fe5 38.Re5 a3 39.f6 a2 40.f7 Rf8 41.Re1 Kg7 42.Ra1 Ra3 43.Kf5 Rc8 44.Ke6 Rc7-+ 45.Rf1 Kf8 46.Kd6 Rca7 47.Re1 Rf7 48.Ra1?? Rf2 49.Ke6 Rh3 50.c5 bc5 51.Kd6 Rd3 52.Kc5 Rc2 53.Kd6 Rcd2 54.Rf1 Kg7 55.Rf7 Kg6 56.Ke6 Rd5 (56...Rd5 57.Rf1 Rd1 58.Rg1 Rg1 59.Kd5 Rg5 60.Kc4 a1Q 61.Kd3 Qd1 62.Kc3 Rc5 63.Kb4 Qd4 64.Kb3 Rb5 65.Kc2 Rb2 66.Kc1 Qd2) 0–1. Winkler,Daniel – Suter,Stephan (2055), Weihnachts op–A, 1997.

    6.Bc4 Nb6 7.Qe2 Nc4 8.Nc4 Nc6 9.Nf3 g6 (9...a5 10.0-0 d6 11.ed6+=) 10.Nd6 (10.Nd6 ed6 11.ed6 Be7 12.Ba3+= (worse 12.de7 Qe7 13.Bb2 Qe2 14.Ke2 0-0=+)) 1–0. juliangon (2645) – DarkKnightsPawn (2205), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nf6 5.e5 Nd5)

    6.Bc4 e6 7.Bd5 ed5 8.Nb5 Bc5 9.d4 Bb4 10.c3 Be7 (10...Bf8 11.Qb3 (11.Ra7?! Ra7 12.Na7 Qa5 13.Nc8 Qc3 14.Bd2 Qc8=) 11...a6 12.Nf3+/-) 11.Ba3 (better 11.Bg5 Qb6 12.Qb3+-) 11...0-0? (11...Ba3 12.Ra3 (worse 12.Na3 d6=+) 12...0-0 13.Nf3+= (worse 13.Ra7 Ra7 14.Na7 Qa5 15.Nc8 Qc3 16.Qd2 Qc8-/+)) 12.Nf3?? (better 12.Be7 Qe7 A) worse 13.Ra7 Ra7 14.Na7 d6=+; B) 13.Na7?! Qg5 14.Ne2 B1) worse 14...Qg2 15.Rg1 Qh3 16.Nc8 Ra1 17.Ne7 (17.Qa1?! Rc8 18.Qa2 Qf3=) 17...Kh8 18.Qa1+/-; B2) 14...d6+=; C) 13.Nc7+/-) 12...Ba3+= 13.Ra3 (worse 13.Na3 d6-/+) 13...d6 14.Nd6 Bg4 (14...b6 15.0-0+=) 15.h3+/- Be6 16.Nb7 Qc7 17.Nc5 Nd7 18.Ne6 fe6 19.0-0 a5 20.Ng5 Ra6?? (better 20...Rfe8+/-) 21.Qd3+- Rf5 (21...Rfa8 22.Qh7 Kf8 23.Qh8 Ke7 24.Qg7 Kd8 25.Qg8 Ke7 26.Qf7 Kd8 27.Ne6 Re6 28.Qe6+-) 22.Qa6 Rg5 23.Qe6 Kf8 24.Qd5 (24.c4!? dc4 25.Rf3 Nf6 26.ef6 Rg6+-) 24...Rg6 25.Qa5 Nb6 26.f4 Qb7 27.Rf2 h5 (27...Qe4 28.f5 Rg2 29.Rg2 Qe3 30.Kf1 Qf3 31.Ke1 Qe4 32.Re2 Qh1 33.Kd2 Nc4 34.Kc2 Na5 35.Ra5 Qh3 36.e6+-) 28.Rb3 Kg8 (28...Qd5 29.Rb5 Qd8 30.f5+-) 29.f5 Rc6 30.d5 Rh6 31.d6 (31.d6 Qc8 32.Qb6+-) 1-0. Shirazi,K (2355) - Guliev,L (2270), Euro Online +2300 Day, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nf6)

    6.d4 e6 7.Bd2 Nc6 8.c3 (8.Nb5 Nb6=) 8...Be7 (8...d6 9.Nf3-/+) 9.Nf3 0-0 10.h4 (10.Bd3!?+=) 10...d6-/+ 11.Bd3 de5 12.Bh7? (better is 12.de5 f6 13.Qc2-/+) 12...Kh7-+ 13.Ng5 (13.de5 Rh8 14.h5-+) 13...Kg8 14.Nc4 (14.Nc2 ed4 15.Nd4 Nd4 16.cd4 a5-+) 14...ed4 15.cd4 Nd4 16.Ne3 (16.Ba5 Bb4 17.Bb4 Nb4-+) 16...Ne3 17.fe3 Nf5 18.e4 (18.Qh5 Nh6-+) 18...Nh6 (better is 18...Ng3!? 19.Rh3 Bg5 20.hg5 Ne4 21.Ra4 Ng5 22.Rh1-+) 19.e5 Qb6 20.Ne4 (20.Rb1 Qd4 21.Qe2 Nf5-+) 20...Bb4 (better is 20...Nf5 21.Qf3 Nh4-+) 21.Rh3 (21.Qe2-+) 21...Qg1 (21...Bd2!? 22.Nd2 Qg1 23.Nf1 Qg2 24.Rh2 Qe4 25.Qe2 Qe2 26.Re2-+) 22.Ke2 Qg2 23.Nf2 Bd2 (23...Ng4!? 24.Qf1 Qf2 25.Qf2 Nf2 26.Bb4 Nh3 27.Bf8 Kf8 28.Kf3-+) 24.Qd2 b6 (24...Ng4 25.Rf3 Bd7 26.Qb4-+) 25.Raa3 a5 26.Rhg3 Ba6 27.Kd1 Qf1 28.Kc2 Rac8 29.Kb2 Qb5 30.Rab3 Qe5 31.Ka2 Nf5 32.Rg5 Bc4 33.Ng4 Bb3 34.Kb3 Qb5 35.Ka3 Qb4! 36.Qb4 ab4 37.Kb4 f6 38.Rg6 Kf7 39.h5 Rh8 0–1. Anchondo,Francisco – Al Ghamdi,Ahmed, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nf6)

    6.Nf3 Nc6 7.d4 g6 (7...d6 8.c4 Nb6 9.ed6 ed6 10.Be2=+) 8.c4= Nc7 9.d5 Nb4 10.h4 d6?? (better 10...Bg7=) 11.Qa4+- Bd7 (11...Nc6 12.dc6 bc6 13.Qc6 Bd7 14.Qe4+-) 12.Qb4 b5 (12...Bg7 13.Bb2 Na6 14.Qb7 Qa5 15.Ke2+-) 13.Bb2 (worse 13.cb5 Bg7+-) 13...Na6 (13...Rg8 14.Nb5 Bb5 15.cb5+-) 14.Qd2 Bg7 (14...Rg8 15.Nb5 Bb5 16.cb5+-) 15.e6 Bb2 16.ed7 Qd7 (16...Kd7 17.Qb2 Qa5 18.Nd2+-) 17.Qb2 Rb8 (17...0-0 18.cb5 Nc7+-) 18.Qh8 1–0. juliangon (2730) – TommyBoyTDB, ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 Nf6 5.e5 Nd5)

    4.Na3 g6

    5.Bb2= f6 6.d4 Qa5 7.c3 Nc6 (7...e6 8.Nb5 Qb6 9.e5=) 8.Nf3 Bg7 (8...Qd8 9.d5 Ne5 10.Ne5 fe5 11.Bd3=) 9.Nc4 (9.Nb5 Qb6+=) 9...Qc7= 10.Bd3 d6 11.Ba3 (11.d5 Nb8=) 11...Bg4 (11...Nh6 12.Ne3=) 12.0-0 Nh6 13.h3 Bd7 14.d5 Ne5 15.Nfe5 fe5 16.Ne3 Qc3 17.f4?? ef4 18.Rf4 Qa1 19.Qa1 Ba1 20.g4 Bd4 21.Kf2 0-0-0 22.Ke2 Be3 23.Ke3 Rhf8 24.Rf8 Rf8 25.Kd4 Nf7 26.Bc1 Ne5 27.Bb1 Rf2 28.g5 Bb5 29.h4 Rf1 0-1. burrango (1970) - rthurc (2250), net-chess.com, 2009.

    5.Bb2 f6 6.d4 Bg7 7.h4 (7.Nb5 a6=) 7...h5 (7...Nc6 8.d5 Na5 9.h5=) 8.e5 (8.Qd3 Bh6=) 8...f5 (8...Qa5!? 9.c3 fe5=) 9.Nh3 Nh6 (9...Qa5 10.c3 Qb6 11.Nb5+=) 10.Nf4+= Kf7 (10...Ng4 11.Nb5 Na6 12.Qf3+/-) 11.Qf3 (11.Bc4 e6 12.Nb5 Bf8+/-) 11...Nc6 (11...Bf8 12.Nb5+/-) 12.Qg3 (12.Nb5 a6+/-) 12...Ng4 13.f3 Qa5 14.c3 Nd4 15.fg4 (better 15.Nc4 Nc2 16.Kd2+-) 15...Qe5= 16.Kd1? (better 16.Kf2!? Ne6 17.Ng6 Qg3 18.Kg3 f4 19.Nf4=) 16...Ne6-+ 17.Bc4 hg4?? (better 17...d5!? 18.gf5 Nf4 19.fg6 Kg8-+) 18.Re1 (18.Qf2 Qd6 19.Kc2 Ke8 20.Ng6 Rh5=) 18...Qd6=+ 19.Kc2 Bh6 (19...Bf6 20.Qe3 Bh4 21.Nb5=) 20.Rf1 (better 20.Bc1 Ke8 21.Nb5=) 20...Kg7?? (better 20...Bf4 21.Rf4 Ke8 22.Be6 de6=) 21.Be6+- de6 22.c4 Kh7 23.Bh8 Bd7?? (better 23...Bf4 24.Rf4 Kh8+-) 24.Bc3 Ba4 25.Kc1 (25.Kb1 Rc8 26.Bb2 Bc6+-) 25...Rd8?? (25...e5 26.Be5 Qe5+=) 26.Qe3+- a6 27.g3 b5 28.Qe5 (better 28.Re1 b4 29.Nb1 Bd7+-) 28...Qc6 29.Ra2 Rd3 (29...bc4 30.Rd2 Rg8+-) 30.Qh8 1-0. Sharikov,Al (2200) - Mitrabha,G (2445), PNWCC Opening Bl Sicilian, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 g6)

    5.Bb2 Nf6 6.e5 Nd5 7.e6 f6 8.ed7 Bd7 (worse 8...Kd7 9.Qf3 Nb6 10.Bb5 Nc6 11.Ne2=) 9.Nf3 Bg7 10.Bc4 Bc6 11.0-0 0-0 12.Qe2 e5 13.Nb5 Na6 14.Nc3 Nac7 15.Nd5 Bd5 16.d4 e4 17.Nd2 f5 18.Bd5 Nd5 19.c4 Nf4 20.Qe3 Nd3 21.Ba3?? (better 21.Bc3-/+) 21...Bd4-+ (21...Qd4?! 22.Qd4 Bd4 23.Bf8 Ba1 24.Ra1 Kf8 25.Kf1-+) 22.Qh6 Rf7 23.Rab1 (23.Ra2 Qb6 24.Rb1 Bf2 25.Kf1 Qe3 26.Qe3 Be3-+) 23...Rc8 (23...Bf2 24.Rf2 Qd4 25.Rbf1 Nf2 26.Nf3 ef3 27.Rf2-+) 24.h4 (24.Nb3 b6-+) 24...Bg7 (24...Bf2!? 25.Rf2 Qd4 26.Rbf1 Nf2 27.Bb2 Nh3 28.Kh2 Qb2 29.Kh3-+) 25.Qe3 b6 26.h5 (26.Qg3 Be5 27.Qg5 Qg5 28.hg5 Bf4-+) 26...Qd4 (26...Bd4 27.Qe2 Nf4 28.Qd1-+) 27.Qh3 (27.hg6 hg6 28.Qg5-+) 27...Nf4 28.Qe3 Qe3 29.fe3 Ne2 (29...Nd3!? 30.Rfd1-+) 30.Kf2 Nc3 31.Rbc1 Rd8 32.Nb3 f4 33.hg6 (33.ef4 Rd3 34.g3 g5-+) 33...hg6 (33...fe3 34.Kg3 Rf1 35.Rf1 e2 36.gh7 Kh7 37.Rh1 Kg6-+) 34.Bb2 (34.ef4 Rd3 35.Rce1 Rf4 36.Kg1 Rf1 37.Kf1-+) 34...fe3 35.Ke3 (35.Kg3 Ne2 36.Kg4 Nc1 37.Rc1 Bb2 38.Re1-+) 35...Bh6 (35...Rd3) 36.Rf4 Bf4 37.Kf2 Bc1 (37...Bc1 38.Kg3 Rd3 39.Kh4 Bg5 40.Kg5 Rg3 41.Kh4 Ne2 42.Bc1 Rh7 43.Bh6 Rh6; 37...Bh2 38.Ke3 Rd3) 0-1. Mukhina,Jana (2065) - Petrukhina,I (2215), Djerba Women Online, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 g6)

    5.Bb2 Nf6 6.Qf3 Bg7 7.e5 Ng8 8.Bc4 Nh6 9.Rb1 0-0 10.Ne2 Nc6 11.d4 a6 12.Bc1 Nf5 13.c3 b5 14.Bd3 e6 (14...d5 15.ed6 Qd6 16.Be4-/+) 15.Qh3 (15.c4!?=+) 15...d6 16.f4 Qh4 17.Qh4 Nh4 18.0-0 d5 19.Nc2 Na5 20.Nb4 Nc4 21.g4 Bd7 (21...f5 22.g5 h6=) 22.Kf2=+ h6 (22...Rfc8!?=+) 23.Kg3+= g5 24.fg5 hg5 25.Bg5 Ng6 26.h4 Rfb8 27.h5 Nh8?? (better 27...Nge5 28.de5 Be5 29.Kf3 a5+=) 28.Bf6?? (better 28.h6 Bh6 29.Bh6+-) 28...a5 (better 28...Nd2!?=+) 29.Nc2 (better 29.Bg7!? Kg7 30.h6 Kf8 31.Bc4 bc4 32.Na2+=) 29…Nd2=+ 0-1. Inventar,Alexandre - Dumas,Charles (2280), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 g6)

    5.c3 Bg7 6.d4 e6 7.Nf3 Ne7 8.Bf4 (8.Nb5 0-0+=) 8...d5= 9.Bb5 (9.Nb5 0-0 10.e5 Bd7=) 9...Bd7 10.Ne5 (better 10.Bd3!?=) 10...de4-/+ 11.Nd7 (11.0-0 Nd5 12.Bd2 0-0-+) 11...Nd7 12.Qa4 (12.Qb1!? a6 13.Be2-+) 12...Nd5-+ 13.Bd2 (13.Be5 f6 14.Bg3 a6-+) 13...a6 14.Nc4 (14.Be2 0-0-+) 14...0-0 15.Bd7 b5 16.Bb5 (16.Qc2 Qd7 (16...bc4?! 17.Bc6 Rb8 18.Ra6-+) 17.Ne5 Qc7 18.Qe4 Nc3-+) 16...ab5 17.Qa8 Qa8 (17...bc4 18.Qd8 Rd8 19.Ra4+-) 18.Ra8 Ra8 19.Ne3 (19.Nb2-+) 19…Ne3 (19...Ne3 20.Ke2 Nc4-+) 0–1. Skulkin,Nikolay – Hafijtullin,Gazimbek (1770), Petrosian Memorial Open Dimitrovgr, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.d4 Bg7 6.Nf3 Nc6 7.c3 Nf6 8.Bd3 d6 9.h3 e5 (9...0-0!?+=) 10.d5= Ne7 11.0-0 (11.Nc4 Ned5 12.ed5 e4=) 11...a6 12.Be3 0-0 13.Nc4 Rb8 (13...b5 14.Nb6 Rb8 15.Nc8 Qc8 16.Qb3=) 14.Qb3 (better is 14.Bb6 Qd7 15.Qb3 Ned5 16.ed5+/-) 14...b5= 15.Na5 Nd7 16.Nc6 (better is 16.Rfd1!?+=) 16...Nc6-+ 17.dc6 Nc5 18.Bc5 dc5 19.Qd5 (better is 19.Bc4-/+) 19...c4?? (19...Qe7 20.Be2-+) 20.Be2?? (better is 20.Qd8 Rd8 21.c7+-) 20...Be6?? (better is 20...Qc7-+) 21.Qd8+= Rbd8 22.Rfd1?? Rc8?? 23.Ra6+/- Rfd8 24.Ng5 Rc7?? 25.Rd8+- Bf8 26.Raa8 Rc6 27.Rf8 Kg7 28.Ne6 fe6 29.Rg8 Kh6 30.Rab8 Rc5 31.Bg4 Kg5 32.Be6 Kf4 33.Bd5 h5 34.Rbf8 Kg5 35.g3 Kh6 36.Rf7 b4 37.h4 g5 38.hg5 1–0. Donoso Solzona,Francisco – Malik,Brian Richard, Internet Section, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.Na3 g6)

    4.d4 d5

    5.ed5 Nf6 6.Nf3 Nd5 7.c4 Nc7 8.Be2 e6 9.0-0 b5 10.cb5 Bb7 11.Na3 Nd7 12.Bd2 Nb6 13.Nc2 Ncd5 14.Ne5 Bd6 15.f4 g6 16.Ne1 Nf6 17.N1f3 Ne4 18.Ba5 f6 19.Nc6 Bc6 20.bc6 Bf4 21.Qb3 Qd5 22.Qa3 (22.Rfb1 Qb3 23.Rb3 Nd5+=) 22...Bc7 (better is 22...Qc6!? 23.Bb6 Qb6-/+) 23.Rab1 Qd6 (23...Qc6?? 24.Bb5 Qb5 25.Rb5+-) 24.Bb4 Qf4 (24...Qc6 25.Rfc1 Qd7+=) 25.Ne5= Qh4 26.g3?? (better is 26.Be1 Qh6 27.Qf3=) 26...Ng3-+ 27.hg3 Qd4 28.Kg2 Be5 (worse is 28...fe5 29.Rbd1 Qe4 30.Bf3-/+) 29.Qa6 Qe3?? (better is 29...Nd5 30.Qb7 Rd8-+) 30.Rf3-/+ Qe4?? 31.Bd3 Qd5 32.Qb7 Bd6 33.Bd6 Qd6 34.Rb6 0-0 35.Rb5 Rac8? 36.Ra5 Rc7+= 37.Qb5 Rff7 38.Ra6 f5 39.Be2 Kg7 40.Rd3 Qe7 41.Qb8 Qc5 42.Qb2 Kh6 43.Rd1 e5 44.Bb5 f4 45.Ra3 a6 46.Ba4 e4 47.Rh1 Kg5 48.gf4 Rf4 49.Rg3 Kf5 50.Rc1 Qa5?? 51.Bb3 Qb5?? 52.Rd1 e3 53.Bc2 Ke6 54.Re3 Kf7 55.Bb3 Rc4 56.Rf1 (56.Rf1 Qf5 57.Bc4 Kf8 58.Qh8) 1–0. Hamann,Carsten (2170) – Koelsch,Maximilian (2095), Schleswig Holstein–ch M, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.ed5 Qd5

    6.Na3 Nc6 7.Nb5 Qd8 (better is 7...Kd8!?+=) 8.d5+/- Nb4 (8...Nb8 9.Bf4 e5 10.Be5 f6 11.Nc7 Kf7+-) 9.Bf4+- (9.Ra7?! Ra7 10.Na7 Bd7=) 9...Nd5 10.Qd5! Qd5 11.Nc7 Kd8 12.Nd5 e6 (12...e5 13.Be5 Ne7 14.Nb6+-) 13.Nc7 (13.Bc7 Ke8 14.Nb6 Bb4 15.Kd1 Bc3 16.Bb5 Bd7 17.Bd7 Ke7 18.Na8 Ba1+-) 13...Rb8 (13...Bb4 14.Kd1 Rb8 15.Ne6 Be6 16.Bb8+-) 14.Ne6! Ke7 (14...Be6 15.0-0-0 Double attack (15.Bb8 Discovered attack); 14...fe6 15.Bb8 Discovered attack (15.0-0-0 Deflection)) 15.Bb8 (worse is 15.Nf8 Ra8+-) 15...Be6 16.Ba7 Nf6 17.Bc5 Kd7 18.Bb5 Kc7 19.Ra8 Bc5 20.Rh8 Ne4 21.Ne2 Bf2 22.Kd1 Be3 23.Rf1 Nf2 (23...Nd2 24.Re1 Ne4 25.c4+-) 24.Rf2! Bf2 25.Rh7 g6 (25...g5 26.Be8 Kd6 27.Bf7+-) 26.Ba4 (better is 26.Be8!? Kd8 27.Bf7 Bf5+-) 26...Kd6 27.Bb3 (27.Nf4!? b6+-) 27...Bb3 28.cb3 Ke7 29.Rh3 1–0. Kolos,Taras – Teslovich,Viacheslav, 1st Memorial Petro Zadoretsky, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    6.Na3 Nc6 7.Nb5 Qd8 8.Bf4 e5+/- 9.de5 Be6 10.Nf3 a6 11.Qd8 (11.Nd6!? Bd6 12.ed6+/-) 11...Rd8+= 12.Nc7 Kd7 13.Ne6 Bb4 14.Ke2 Ke6 15.Ng5 (15.g3!? f5 16.Ng5 Ke7 17.Bg2 Nd4 18.Kf1+=) 15...Ke7= 16.Kf3 (better is 16.Nf3!?=) 16...h6-/+ 17.Ne4 g5 18.Bg3 (18.c3 f5 19.Ng5 Bc3 20.Rc1 Ne5 21.Be5 Be5 22.Re1 hg5 23.Re5 Kf6 24.Re3-+) 18...f5-/+ 19.ef6 Nf6 20.Nf6 Kf6 21.Bd3?? (better is 21.Bc7 Nd4 22.Kg3-/+) 21...Nd4-+ 22.Kg4 h5 23.Kh3 g4 24.Kh4 Nf5 25.Bf5 Kf5 26.Bc7 Be7 (26...Be7 27.Kg3 h4) 0–1. Janzekovic,Klemen (1860) – Nikolic,Stanko (1880), Ptuj SLO, Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    6.Na3 Bd7 7.Nf3 e6 8.Bd3 Bb4 9.Bd2 Bd2 10.Qd2 Nf6 11.Nc4 Na6 12.Ne3 Qd6 13.Ba6 ba6 14.0-0 0-0 15.c4 Rfd8 16.Rfb1 Rab8 17.h3 (17.Rb8 Rb8 18.Qa5 Ne4=) 17...h6 (better 17...Rb1!? 18.Rb1 Bc6=+) 18.Rb8= Rb8 19.Ne5 Bc8 20.c5 Qc7 21.c6 (21.N3c4 Nd7+=) 21...Rb5= 22.Qc2 Nd5 23.Nd5 Rd5 24.Qc4 The isolani on a6 becomes a target 24...Qb6 25.Rc1 (25.Rd1!?=) 25...Rd4-/+ (worse 25...Qd4 26.Qd4 Rd4 27.c7+=) 26.Qc5? (26.Qc3 Rd5-/+) 26...Qc5 (better 26...Rd1! 27.Kh2 Rc1 28.Qc1 Qf2 29.Nd7-+) 27.Rc5-/+ Kf8 28.c7 (better 28.Rc1!?-/+) 28...Rd5 29.Rd5 ed5 30.Nc6 Ke8 31.Na7?? (better 31.Nb4-+) 31...Kd7 32.Kf1 Kc7 0-1. Hrabinska,Myroslava (2235) - Trichkov,V (2315), Euro Online U2300 Day, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

    6.Na3 Qd8 7.Nb5 Bd7 8.Nf3 (8.Na7? Qb6-+; 8.Ra7? Ra7 9.Na7 Qa5 10.c3 Qa7-+) 8...Nf6 9.Ne5 (9.Ra7? Ra7 10.Na7 Qa5 11.c3 Qa7-+) 9...e6 10.Qf3 (10.Ra7? Ra7 11.Na7 Qa5 12.c3 Qa7-+; worse is 10.Nd7 A) worse is 10...Nfd7 11.Bf4 (worse is 11.Na7 Bb4 12.Bd2 Bd2 13.Kd2 e5+=; 11.Ra7? Ra7 12.Na7 Qa5 13.c3 Qa7-+) 11...Na6 12.Qf3+/-; B) 10...Qd7?! 11.Bd3+=; C) 10...Nbd7 11.Qf3 Qc8+=) 10...Nc6 11.Bf4 Rc8 12.Nc4 Bb4 (12...Nb4 13.Nbd6 Bd6 14.Nd6 Ke7 15.Nc8 Bc8+/-) 13.c3+/- 0-0 14.cb4 Nb4 15.Nba3 Nc6 16.Qd1 Nb4? (16...Nd5 17.Bd6 Re8 18.Bd3+/-) 17.f3 (better is 17.Bd6!? Nbd5 18.Bf8 Qf8+-) 17...Nfd5 18.Be5 Nc3 19.Qd2 f6 (19...Nbd5 20.Nd6 Rb8 21.Rc1+-) 20.Bg3 e5? (20...Nbd5 21.Nd6 Rc7 22.Ne4+-) 21.de5 (21.Qc3 Qe7 22.Qb3 ed4 23.Kd2 Be6+-) 21...Qe7 (21...Ncd5 22.Rb1 Qe7 23.Nd6+-) 22.Bd3 (better is 22.Qc3!? b5+-) 22...b5 23.Nd6 (better is 23.Qc3 Nd3 24.Qd3 bc4 25.Nc4 Qb4 26.Nd2+-) 23...Rcd8?? (better is 23...Rc5 24.Nc2 Nd3 25.Qd3 fe5 26.Ra7 Rd5 27.Qc3 Qd6+-) 24.0-0 fe5 1–0. Grabinsky,Vladimir (2315) – Malakhatko,Vadim (2565), Calvi Balagne op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    6.Na3 Nf6 7.Nb5 Qd8 8.Bc4 (8.Ra7? Ra7 9.Na7 Qa5 10.c3 Qa7-+; 8.Na7?! Bf5 9.Bb5 Nbd7=) 8...Bd7 9.Qf3 (9.Na7? Qb6 10.Nf3 Ra7 11.Ra7 Qa7-+) 9...Bc6 10.d5 Bb5 (worse is 10...Nd5 11.Bd5 e6 12.Bc6 Nc6 13.Bf4+/-; worse is 10...Bd5 11.Bd5 Nd5 12.Qd5 Qd5 13.Nc7 Kd7 14.Nd5+/-) 11.Bb5 Nbd7 12.Ne2 a6 13.Ba4 Qa5 14.Bd2 Qd5 15.Bd7 Kd7 16.Qh3 Qe6 17.Qd3 Ke8 18.0-0-0 Qe4 19.Ba5 Qd3 20.Rd3 e6 21.Rhd1 Be7 22.Rb3 b5 23.Rc3 Nd5 24.Rc6 Bf6 25.Ng3 Bd8 26.Be1 Kd7 27.Rc3 Ba5 28.Rf3 Be1 29.Rf7? (29.Re1 Rhf8 30.Rd1-+) 29...Ke8 30.Rg7 Bc3 31.Rb7 b4 32.Ne4 Be5 33.Nc5 Rd8 34.Re1-/+ Bc7 35.Ne6 Kd7 36.Nd8 Rd8 37.Ra7 a5 38.Re5 Kc6 39.Re6 Kb5 40.Rb7 Ka4 41.c4? Bf4-+ 42.Kc2 0–1. Meleshko,Vladimir (2110) – Zhornik,Nikolay (2250), UKR–ch U20 qual, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    6.Nc3 Qd8 7.Ba3 Nf6 8.Nf3 g6 (8...Bg4 9.Bb5 Nbd7 10.h3=+) 9.Bc4 (9.Bb5 Bd7 10.0-0 Qc7=) 9...Bg7 (9...Qa5 10.Bb2 Qb4 11.Bb3=+) 10.Qe2 Nc6 11.0-0 Bg4 12.Bf7?? (better 12.Rfd1=+) 12...Kf7-+ 13.Ng5 Ke8 14.f3 (14.Qc4 Rf8 15.Rae1-+) 14...Qd4 (14...Nd4?! 15.Qc4 Bf5 16.Qf7 Kd7 17.Qg7 Bc2 18.Rf2-/+) 15.Kh1 Qc3 16.fg4 Qe5 17.Qd2 (17.Qe5 Ne5 18.Ne6-+) 17...Rd8 (17...Bh6 18.h4 Ne4 19.Ne4 Bd2 20.Nd2-+) 18.Qc1 (18.Qd8 Nd8 19.Rfe1 Ne4 20.Ne4 Qa1 21.Ra1 Ba1-+) 18...Ng4 19.Nf3 Qa1 20.Qf4 (20.Qa1 Ba1 21.Ra1-+) 20…Qf1 (20...Qf1 21.Ng1 Qg1 22.Kg1 Rd1 23.Qf1 Bd4 24.Kh1 Rf1) 0-1. Williams,Si1 (2460) - Mekhitarian,K (2550), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

    4.d4 d6

    5.Ra3 Nf6 6.Nc3 e6 7.d5 Be7 +=.

    5.Ra3 Nf6 6.Bc4 e6 7.Qe2 (7.Re3 d5 8.ed5 Nd5 9.Bd5 Qd5-/+) 7...Qb6 (better is 7...d5 8.Bb5 Bd7-+) 8.Nc3+= a6 9.d5 e5 10.Nf3 Be7 11.0-0 0-0 12.Be3 Qd8 13.Rb1 Nbd7 14.h3 b6 15.Ba6 Nc5 16.Bc5 bc5 17.Rba1 Nh5 18.Bc8 Ra3 19.Ra3 Qc8 20.Kh2 f5 21.Qa6 fe4 22.Qc8 Rc8 23.Ne4 Nf6 24.Nf6 Bf6 25.Nd2 Rc7 26.Ra6 Rd7 27.Ne4 Be7 28.Kg3 Kf7 29.Kf3 g6 30.g4 Kg7 31.Ke3 Kf7 32.Kd3 Ke8 33.Kc4 Kd8 34.g5 Kc7 35.Ra7 Kc8 36.Rd7 Kd7 37.Nf6 Bf6 38.gf6 e4 39.Kb5 g5 40.f7 Ke7 41.Kc6 h5 42.f8Q Kf8 43.Kd6 g4 44.hg4 hg4 45.Kc7 g3 46.d6 (46.fg3 e3 47.d6 e2+-) 46...g2 (better is 46...gf2!? 47.d7 Kg7+=) 47.d7+/- g1Q 48.d8Q Kf7 49.Qd5 Ke8? (better is 49...Kf6+/-) 50.Qh5 (50.Qh5 Ke7 51.Qc5 Ke6 52.Qd6 Kf7 53.Qf4 Kg8 54.Qe4 Qf2 55.c4+-) 1–0. Dragojevic,Miodrag (2160) – Filipovic,Tomislav (2005), Zagreb op–B, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Ra3 Nf6 6.f3 Nc6 (6...e6 7.d5-/+) 7.Be3 (7.d5 Ne5+=) 7...Qc7 (7...d5 8.e5 Nd7 9.Ra1-/+) 8.Nc3 (8.d5 Na5=) 8...a6 (8...d5 9.ed5 e6 10.Nb5-/+) 9.Qb1 (9.d5 Ne5+=) 9...e6 10.d5 ed5 11.ed5 Qe7 12.Kd2 Ne5 13.Bb5 Bd7 14.Bd7? (14.Bd3 Nd3 15.Qb7 Qd8 16.cd3 Rb8 17.Qa6 Rb2 18.Kd1 Be7=) 14...Nfd7 (14...Qd7!? 15.Rb3 Nc4 16.Ke2 Qe7-+) 15.Ra4-/+ Rc8 (better is 15...Rb8 16.Kd1 Rc8+=) 16.Qb3? (better is 16.Qb7 Nc4 17.Rc4 Rc4 18.Qa6=) 16...b5-+ 17.Rd4 f5 (17...Nc4 18.Rc4 Rc4 19.Nge2-+) 18.Rf4 (18.Kd1-+) 18...Nc4 19.Rc4 Rc4 (19...bc4?! 20.Qb7 Qd8 21.Nge2-/+) 20.Nh3 (20.Nge2 Ne5 21.Re1 Kf7-+) 20...Ne5 (20...g6 21.Nf4 Bh6 22.Nce2-+) 21.Nb5?! (21.Re1 Qb7 22.Bf4-+) 21...ab5 22.Qb5 Qd7 23.Qb3 Rc8 24.Re1 Be7 25.Bg5 Bg5 26.Ng5 0-0 27.f4 Nc4 28.Kc1 Qa7 29.Kd1 Qd4 (29...Qd4 30.Ke2 Rfe8 31.Ne6 Qd5-+) 0–1. Greven,Ron (1790) – Wiegers,Kasper (1740), Dieren NED, Dutch Open–B, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6)

    5.Na3 e6 6.Bd3 d5 7.e5 Bb4 8.Bd2 Bd2 9.Qd2 Ne7 10.Ne2 0-0 11.0-0 Nec6 12.c3 f6 13.f4 Nd7 14.Kh1 Nb6 15.Nb5 Bd7 16.Nd6 Rb8 17.Qc2 Ne7 18.Bh7 Kh8 19.Rf3 g5? 20.Rh3 Kg7 21.fg5 f5? 22.Nf4 Nbc8 23.Nc8 Rc8 24.Qf2 Rh8 25.Qh4 Kf8 26.Qh6 Kf7 27.Qf6 Ke8 1–0. Shevchenko,Kirill – Petriashvili,Nikoloz, EYCC Boys U8, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Na3 Nf6 6.Bd3 Nc6 7.c3 e5 8.Ne2 Be7 9.0-0 0-0 10.f4 Bg4 11.Nc2 Rc8 12.h3 Be2 13.Qe2 b6 (13...a6 14.Bb2-/+) 14.Bb2 Qc7 (14...a5 15.Kh1+=) 15.Ne3 Rfe8 (better is 15...ef4!? 16.Rf4 Kh8+=) 16.Bb5 (16.Nd5 Nd5 17.ed5 Na5 18.fe5 g6+/-) 16...Red8 (16...Ne4? is no good 17.Nd5 Nc3 18.Bc3+-) 17.g4 (17.Bc6!? Qc6 18.fe5 (worse is 18.de5 de5 19.fe5 Ne4 20.Ra7 Qe6+=) 18...de5 19.Ra7+=) 17...ed4 (17...Ne4? 18.Nd5 Ng3 19.Qe1+-) 18.cd4 Nb4 (18...Ne4 19.Nd5 Ng3 20.Qe1+-) 19.Qf3 (19.Rfc1 Qb7 20.d5 Rc1 (20...Ne4?? 21.Nf5 Rc1 22.Rc1+-) 21.Rc1 a5= (21...Ne4 22.Nf5 Bf6 23.Qe4 Bb2 24.Re1+-)) 19...d5+= 20.e5 (20.Rfc1!? Qb7 21.Rc8 Rc8 22.ed5+=) 20...Ne4-/+ 21.Rfc1 Qb7 22.Ba3 a5 23.Rab1?? Nd2-+ 24.Qe2 Nb1 25.Rb1 Rc3 26.Bb2 Rc7 27.Ba3 Qc8 28.Qg2 Nc2 29.Be7 Ne3 30.Qe2 Re7 31.Qe3 Rc7 32.Bd3 Rc6 33.f5 a4 34.f6 gf6?? 35.Bf5= Qc7 36.Qh6 fe5 37.Bh7 Kh8 38.Bg6 Kg8 39.Bh7 ½–½. Hrabinska,Myroslava (2115) – Ushenina,Anna (2295), UKR Summer Youth Games, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Na3 Nf6 6.Bd3 e5 7.c3 Nc6 8.Ne2 Be7 9.0-0 0-0 10.f4 Bg4 11.Nc2 ed4 12.cd4 d5 13.e5 Ne4 14.f5 Qd7 15.f6 gf6 16.Be4 de4 17.ef6 Bd6 18.Bh6 Rfe8 19.Qd2=+ e3 20.Ne3 Bb4=+ 21.Qc1 Rac8 22.Nc2 Bf5 23.Nb4+= Nb4 24.Qg5 Bg6= 25.Bf8?? Re2-+ 26.Bc5 Qd5 27.Qg4 Rce8 28.Bb4 R2e4 29.Qd1 Rd4 30.Qa4 b5 31.Qa3 Re2 32.Qg3 h5-+ 33.Rae1 Re1 34.Be1-/+ Rg4 35.Qb8 Kh7 36.Bg3 h4 37.Qc8?? Qd4 38.Bf2 Qe4 39.Bg3 hg3 40.h3 Rf4 (40...Rf4 41.Qc3 Rf1 42.Kf1 Qf4 43.Ke2 Qf2 44.Kd1 Qg2-+) 0–1. Khaetsky,Roman (2375) – Cyborowski,Lukasz (2515), Cracovia, 2009.

    5.Na3 Nf6 6.Bd3 g6 7.c3 Bg7 8.Ne2 0-0 9.Ng3 Bd7 10.h4 Qc7 11.Bd2 h5 12.Rc1 a6 13.Bg5 Nc6 14.Bf6 Bf6 15.f4 Bg4 16.Qc2 Rac8 17.e5? (17.Ra1 b5 18.e5 de5 19.fe5 Be5 20.de5 Nb4-+ (20...Ne5?! 21.Ne2-+)) 17...de5 (17...Nd4 18.Qb2 de5 19.Ne4-+) 18.fe5?? (18.de5 Bg7 19.Ne4 Rfd8-+) 18...Bg7 (better is 18...Nd4 19.Qf2 Qe5 20.Ne4 Nb3-+) 19.0-0 e6 (better is 19...Ne5 20.Be4 Bh6 21.de5 Bc1 22.Rc1 Qc5 23.Kh1 Qa3 24.Bg6 b5 25.Bh5 Bh5 26.Nh5 Rc5-+) 20.Ne4+= Qe7 21.Nf6?? (21.Qb2 Bf5 22.Nc4 Qh4+=) 21...Kh8 (better is 21...Bf6 22.ef6 Qa3-+) 22.Nc4= (22.Ng4 Qa3 23.Ra1 Qe7-+) 22...Nd4 23.cd4 b5 24.Qd2 bc4 25.Bc4 Rfd8 26.Qf4 Bf5 27.Ba6 Rc1 28.Rc1 ½–½. Krustev,G (2005) – Petrov,Martin (1855), MGU–12 Open, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Na3 Nf6 6.Bd3 g6 7.f4 Bg7 8.Nf3 0-0 9.0-0 Nc6 10.c3 Bg4 11.h3 Bf3 12.Qf3= Qa5 13.Bb2 a6 14.e5 de5 15.fe5 Nd7 16.Nc4 Qd8 17.Rae1 Nb6 18.Ba3 Qc7 19.Nb6= Qb6 20.Re3 Qb3-/+ 21.Bc5 Bh6 22.Re2 Qc3 23.Qe4 Bg7 24.Rc2 Qa5 25.Kh1 Rac8-/+ 26.Rb1 b5 27.h4 Qc7 28.h5 Qd7-+ 29.Ra1 Rfd8 30.hg6 hg6-+ 31.Bb6 Nb4 32.Rd2 Rf8 33.Bc5 Nd3 34.Rd3 Qe6 35.Rda3 Ra8 36.Qb7 Rfb8 37.Qe7 Qe7 38.Be7 Rb6 39.g3 Bf8 40.Bf8 Kf8 41.Kg2 b4 42.Rb3 a5 43.Ra4 Rb5 44.Kf3 Ke7 45.Ke4 Ke6 46.g4 Ra7 47.g5-/+ Ra8 48.Ra1 a4 49.Rf3-/+ b3 50.Raf1 Rf8 51.Rf6= Ke7 52.Ra6 b2 53.Ra7 ½–½. Grabinsky,V (2260) – Kovalenko,O, ch–UKR, Alushta UKR, 2002.

    5.c3 e6 6.Bd3 Nc6 7.Nf3 Nf6 8.Na3 Be7 9.0-0 0-0 10.Qc2 h6 11.Re1 (11.Bf4 a5=) 11...a6 12.Bb2 Bd7 13.Nc4 Rc8 (13...b5 14.Ne3=) 14.Qd2 d5 15.ed5 ed5 16.Nce5 Ne5 17.Ne5 Bd6 18.Ba3 (18.h3 Ne4 19.Be4 de4 20.Re4 Bf5=) 18...Ba3 19.Ra3 Ng4 20.Nd7 (20.Qf4!? Ne5 21.de5=+ (21.Qe5?? Re8-+)) 20...Qd7-/+ 21.Qf4 Nf6 (21...Rfe8 22.Raa1 Nf6 23.Bf5-/+) 22.Bf5 Qc7 23.Qf3 (23.Re5 Nd7 24.Bd7 Qd7-/+) 23...Rfe8 24.Re8 Re8 25.g3 Qb6 26.Ra2 Qb3 27.Rd2 (27.Ra1 Ne4 28.Be4 de4-/+) 27...Qa3 (27...a5 28.Bc2 Qa3 29.Kg2-+) 28.Rd1 b5 29.Qd3 (29.Kg2 Qd6-/+) 29...Qa2 (29...Re7 30.Qd2-/+) 30.Kf1 Qa4 (30...Ne4 31.Be4 de4 32.Qe3-/+) 31.Rb1 (31.Kg2 h5-/+) 31...Qc4 (31...Kf8 32.Qc2 Qc2 33.Bc2-/+) 32.Ra1 (32.Qc4 dc4 33.Ra1 Nd5-/+) 32...Ra8 (32...Qc6 33.Qd2-/+) 33.Ke2 (33.Qc4 dc4 34.Bh3 a5-/+) 33...g6 (33...Qc6 34.Qd2-+) 34.Qc4-/+ dc4 35.Bh3 (35.Bc2 a5-/+) 35...Re8 36.Kf3 (36.Kf1 Ne4 37.Rc1 Nd2 38.Kg1 Kg7-+) 36...Nd5 37.Ra3 f5 38.Ra6 Kf7 39.Ra3 Re1 40.Ra7 (40.Bg2 g5 41.h3 Rg1 42.Ra7 Ke8-+) 40...Kf6 41.Ra6 Kg5 42.Ra3?? (42.Kg2 Nc3 43.f4 Kh5-+) 42...Rc1 (better 42...b4 43.Ra5 bc3-+) 43.Ke2 (43.Bg2 Rc2-+ (43...Nc3?! 44.h4 Kf6 45.Ra6 Kf7 46.Ra7 Kf8 47.Ra8 Ke7 48.Ra7 Ke6 49.Ra6 Kd5 50.Rg6-/+)) 43...Rc3 44.Rc3 (better 44.Ra6 Rc2 45.Kf1-+) 44...Nc3 45.Ke3 Nd5 46.Kd2 Kf6 47.Bf1 (47.Bg2 Ke6-+) 47...Ke6 48.h3?! (48.Be2 Nf6 49.f3 Nd5-+) 48...g5 (48...Nf6 49.f3-+) 49.Be2 (49.Kc2 Nf6 50.Bg2 b4-+) 49...f4 (49...Nf6 50.f3-+) 50.g4? (better 50.Kc2-+) 50...Kd6 51.Bf1 (51.Kc2-+) 51...f3 52.Kc2 (52.h4 gh4 53.Bh3 Nf4-+) 52...Nf4 53.Kd2 Kd5 54.Ke3 b4 55.Kd2 (55.Bc4 Kc4 56.d5 Nd5 57.Kf3 b3 58.Kg2 Nf4 59.Kf3 b2 60.Ke3 b1Q 61.Kd2 Qd3 62.Kc1 Kc3 63.h4 Qc2) 55...Kd4 56.Kc2 (56.Kc1 Nd3 57.Kb1 b3 58.h4 gh4 59.g5 hg5 60.Bd3 Kd3 61.Kb2 h3 62.Ka3 h2 63.Kb2 c3 64.Kb3 c2 65.Ka3 c1Q 66.Kb4 h1Q 67.Kb5 Qc4 68.Kb6 Qh7 69.Ka5 Qhc7) 56...b3 57.Kb2 Nd3 58.Bd3 Kd3 59.Kc1 (59.h4 gh4 60.g5 hg5 61.Ka3 h3 62.Kb4 b2 63.Kc5 b1Q 64.Kc6 h2 65.Kd7 Qb6 66.Ke7 h1Q 67.Kd7 Qe1 68.Kc8 Qee6) 59...c3 60.h4 (60.Kb1 Kd2 61.h4 gh4 62.Ka1 h3 63.Kb1 h2 64.g5 h1Q) 60...gh4 61.g5 (61.Kb1 h3 62.Kc1 h2 63.g5 h1Q) 61...hg5 (61...h3 62.g6 h2 63.g7 h1Q) 62.Kb1 c2 (62...h3 63.Ka1 h2 64.Kb1 h1Q) 63.Kb2 (63.Kc1 b2! 64.Kb2 h3 65.Kc1 h2 66.Kb2 h1Q 67.Kb3 Qb1 68.Ka4 c1Q 69.Ka5 Qa3) 63...Kd2 (63...h3 64.Kb3 c1Q 65.Kb4 Qc4 66.Ka5 h2 67.Kb6 h1Q 68.Kb7 Qb1 69.Ka7 Qca2) 64.Kb3 c1Q 65.Ka2 (65.Kb4 Qc3 66.Kb5 h3 67.Ka6 h2 68.Kb7 h1R 69.Ka6 Rb1 70.Ka7 Qa5) 65...Qc5 66.Kb3 (66.Kb2 Qb6 67.Ka3 Kc3 68.Ka4 Qb4) 66...Qb5 67.Ka3 (67.Ka2 Kc3 68.Ka3 Qb3) 67...Kc3 68.Ka2 Qb2 0–1. Fizerova,Lucie – Wagner,Margarethe (1635), Bad Blankenburg GER, EUR Team Championship, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.c3 Nf6 6.Bd3 Nc6 7.Ne2 e5 (7...e6 8.0-0+=) 8.0-0 (8.d5 Ne7=) 8...Be7 (8...d5 9.ed5 Qd5 10.Na3+=) 9.Na3 (9.d5 Nb8+=) 9...0-0 10.f4 (10.d5 Na5+=) 10...Bg4 (10...ed4 11.Nd4 d5 12.e5-/+) 11.Be3 (11.d5 Qb6 12.Kh1 Na5+=) 11...Nh5 (better is 11...ed4!? 12.Bd4 d5-/+) 12.Qb3= Na5 13.Qa2 b6 14.Nc4 ef4 15.Nf4 Nf4 16.Bf4 Rc8 (16...Qc8!?+=) 17.Na5+= ba5 18.Qd2 Be6 19.Rfb1 Bc4 (19...f5 20.Ba6 Rc6 21.Bb7=) 20.e5 (20.Bc4!? Rc4 21.Rb7+=) 20...de5= 21.Be5 Bg5 22.Qc2 Bd3 23.Qd3 Re8 24.Qf5 (24.Re1 Rc6=) 24...g6 (24...f6!? 25.Rb7 Bh6+=) 25.Qh3= Qe7 (25...Qd5 26.Rf1=) 26.Qf3 f6 27.Ra5 fe5 28.Re5 Qf7 29.Qf7 Kf7 30.Rg5 Rc3 31.Ra5 Rc7 32.d5 Rd8 33.Rf1 Kg7 34.Rfa1 a6 35.h3 Rd6 36.Kf2 Rcd7 37.Rd1 Kf6 38.Kf3 Ke5 39.Re1 Kf6 40.Rf1 Rd5 41.Ke4 ½–½. Bortnyk,Olexandr (2470) – Ma,Zhonghan (2410), Al–Ain UAE, World Ch Boys U18, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6)

    5.c3 Nf6 6.Bd3 e5 7.Na3 Be7 8.f4 (8.Nf3 0-0=) 8...d5-/+ 9.fe5 Ne4 10.Ne2 Bh4 11.g3 Bg5 (better 11...Be7!?=+) 12.Be4+= de4 (12...Bc1 13.Nb5 Bb2 14.Nd6 Ke7 15.0-0+=) 13.Bg5 Qg5 14.Nb5 Qe7 15.Nd6 (15.Na7?! Bg4=) 15...Kd8 16.0-0 Rf8 17.Nf4 Nc6? (better 17...Na6+-) 18.Nd5+- (18.Ne4?! Rb8+-) 18...Qe6 19.Nb6!! White prepares d5 19...Rb8 (19...ab6 20.Qb1 Double attack (20.Ra8 Pinning; 20.Ra8 Deflection; 20.Qb1 Decoy)) 20.d5 (20.Nbc8 Rc8 21.d5 Qe5 22.dc6 Qc5 23.Kg2 Qc6 24.Ra7 e3 25.Kg1 Kc7 26.Rb7 Qb7 27.Nb7 Rcd8 28.Nd8 f5 29.Rf4 Rf7 30.Rc4 Kb8 31.Qb3 Ka8 32.Ra4 Ra7 33.Qb7) 20...Qg4 21.dc6 (21.Ndc8?! Qd1 22.Rad1 ab6 23.dc6 Kc8+=) 21...Qd1 22.Rfd1 (22.Rad1?! ab6 23.cb7 Be6 24.Nf7 Ke7+-) 22...ab6 23.Nb5 (23.Nb5 Ke7 24.c7+-; 23.Ne4?! Kc7 24.cb7 Bb7+=; 23.cb7?! Bd7+-) 1–0. Bortnik,Alexandr (2315) – Tari,Aryan (2060), ARCTIC Chess CHALLENGE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.c3 Nf6 6.Bd3 e5 7.Ne2 Be7 8.0-0 0-0 9.Na3 Nc6 10.f4 Bg4 11.Nc2 Qc7 12.h3=+ Be2 13.Qe2 Rfe8 14.Bd2 Bd8 15.Rae1 Rc8 16.g4 Qe7 17.g5=+ Nd7 18.fe5 de5 19.Bc4 Rf8 20.Rf7 Rf7-/+ 21.Rf1 Nd4 22.cd4 Rc4 23.Qc4 ed4 24.Nd4 Bb6 25.Be3 Bd4 26.Bd4 Qg5-/+ 27.Kh2 Qe7 28.Ba7 Nf8 29.Bb8 Qe6-/+ 30.Qe6 Ne6 31.Rb1 Kf8 32.Rb6 Nd8 33.e5 Ke8 34.Kg3 Re7 35.h4 Re6 36.Bd6 Kd7 37.h5 Kc8 38.Kg4 g6 39.hg6 hg6 40.Rb5 Nf7 41.Rc5 Kd8 42.Rc7 Nd6 43.ed6 b6 44.Rc6 Re4 45.Kg5 Rb4 46.Rc7 Rb5 47.Kf6 Rb1 48.Ke6 Re1 49.Kd5 b5 50.Rb7 Rd1 51.Ke6 Re1 52.Kd5 Rd1 53.Ke6 Re1 ½–½. Zherebukh,Y (2180) – Plischki,S (2365), Open Olomouc CZE (6), 2005.

    5.c3 Nf6 6.Bd3 e5 7.Ne2 Be7 8.0-0 Nc6 9.Na3 0-0 10.f4 Bg4 11.Nc2 ed4 12.cd4 d5 13.e5 Ne4 14.Qe1 Qb6 15.Be3 Nb4 16.Nb4 Bb4 17.Qh4 Be2 18.Be2 Bd2 19.Qh3 Rac8 (better is 19...Qb3!? 20.Rf3 Qc2-/+) 20.Rfb1+= Be3 21.Qe3 Rc3 22.Bd3 Rb3 23.Rb3 Qb3 24.Rb1 Qc3 25.Rb7 a5 26.Rb1 Rc8 27.Re1 f5 28.ef6 Nf6 29.g4 a4 (29...Ng4 30.Qe6 Kf8 31.Bh7 Qd4 32.Kh1 Nf2 33.Kg2+-) 30.Qe6 Kh8 31.Re2? (better is 31.g5!? Ne4 32.Re2 Qd4 33.Kg2+=) 31...Qd4 32.Kg2 Rf8 33.g5?? (33.Qd6 Ra8 34.Bf5-+) 33...Qd3 (better is 33...Nh5 34.Rf2 Nf4 35.Rf4 Qf4-+) 34.gf6 Qg6 35.Kf3 Qf6 36.Qf6 gf6 37.Rd2 a3 38.Rd5 Ra8 39.Rd1 a2 40.Ra1 Kg7 41.Ke4 Kg6 42.Rg1 Kh5 43.Ra1 Kg4 44.h3 Kh3 45.Kf5 Ra6 0–1. Chulivska,Vita (2175) – Ajrapetjan,Yuriy (2405), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.c3 Nf6 6.Bd3 e6 7.Ne2 Be7 8.0-0 0-0 9.Na3 e5 10.d5 Nbd7 11.f3 Nc5 12.Bc2 b5 13.Be3 Rb8 14.Qd2 Qc7 15.Kh1 Ne8 16.Rfb1 a6 17.c4 Bd7 18.Rb2 bc4 19.Rb8 Qb8 20.Bc5 dc5 21.Rb1 Qc7 22.Nc4 Bb5 23.Ne3 Nd6 24.Nf5 Nf5 25.ef5 Rd8 26.Be4 Bc4 27.Nc3 Rb8 28.Qc2 Bg5 (28...Rb1 29.Qb1 Qa5 30.f6 gf6 31.Qe1-+) 29.g3? (29.Qa4 Bb5 30.Nb5 ab5 31.Rb5 Be7=) 29...Be3 (29...Rb1 30.Nb1 Bf1 31.Na3-/+) 30.Nd1? (better is 30.Qa4 Bb5 31.Nb5 ab5 32.Rb5=) 30...Rb1-+ 31.Qb1 Bd4 32.Nb2 Bb5 33.g4 c4 34.Qc2 Qa5 35.Qc1?! Qb4 36.f6 Qb2 37.Qg5 Qa1 38.Kg2 Qg1 39.Kh3 Qf1 40.Kh4 Bf2 (40...Bf2 41.Kh5 Qh3 42.Qh4 Qh4) 0–1. Vetoshko,Volodymyr – Chernobaev,Leonid (2020), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.c3 Nf6 6.Bd3 g6 7.Ne2 Bg7 8.0-0 0-0 9.Na3 Nc6 10.h3 e5 (10...Bd7 11.Bd2=+) 11.f4 (11.d5 Na5=+) 11...ed4 12.cd4 Re8 (12...Nb4!? 13.e5 Nfd5=+) 13.e5= Nd5 14.Kh1 (14.Nb5!? de5 15.fe5=) 14...de5-/+ 15.fe5 Qh4 (15...f6 16.ef6 Bf6 17.Nc4-/+) 16.Nf4 (16.Nb5 Bh3 17.Qe1 Qe1 18.Re1 Bg4-/+) 16...Be6 (16...Rd8 17.Bc4 Be6 18.Ne6 fe6 19.Nb5=+) 17.Ne6 (17.Nb5!?=) 17...fe6-/+ (17...Re6?! 18.Nb5 Rd8 19.Qf3=) 18.Nb5 (better 18.Bb2-/+) 18...Nd4?? (better 18...Ne5 19.Be4 Nc6 20.Bd5 ed5-/+) 19.Ra4= Be5 20.Nd4 Qg3 (20...Nc3 21.Qc2 Rac8 22.Rc4 Bd4 23.Qc3 Qh3 24.gh3 Bc3 25.Re4+=) 21.Nf3+= Nc3 22.Qb3 Na4 23.Qa4 Rf8 24.Ne5 (better 24.Kg1+=) 24...Rf1-/+ (24...Qe5?! 25.Bf4 Qg7 26.Qe4+=) 25.Bf1 Qe5 26.Bf4? (26.Bh6 g5 27.Qb5 Qb5 28.Bb5-+) 26...Qf5?? (better 26...Qe1 27.Kg1 Rf8-+) 27.Bc4= Rd8 28.Bg3 (28.Bc7 Rd2=) 28...Kf7 (28...Qe4 29.Qa2 Re8 30.Kh2=) 29.Qa7 Qe4 30.Qc5 (30.Qf2 Kg8 31.Ba2 Rd3=) 30...Rd7 (30...Rd1 31.Kh2 Qd4 32.Qc7 Kf6=) 31.Bb5 (31.Qf2 Kg8 32.Qa2 Rd1 33.Kh2 Qd4=) 31...Qd4 (31...Rd1!? 32.Kh2 Qd4 33.Qc7 Kf6=) 32.Qc8+= Re7 33.Kh2 (33.Qb8 e5+=) 33...Kg7 34.Qb8 e5 35.Qc8 e4 36.Bc4 (36.Qb8 Qf6+=) 36...Qf6 37.Qf8?? (better 37.Qg8 Kh6 38.Qd8+=) 37…Qf8 0–1. Oberholzer,Francois (2030) – Van Rensburg,Ryan Pierre (2235), PSS Prestige Rapid, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Nd2 g6 6.Ngf3 Bg7 7.h3 Nc6 8.c3 Nf6 9.d5 Nb8 10.Ra3 0-0 11.c4 Nbd7 12.Bb2 Nc5 13.e5 Nfd7 14.Qa1 Ne5 15.Ne5 Be5 16.Be5 de5 17.Qe5 Qd6 18.Qd6 ed6 19.f3 Bd7 20.Kf2 a6 21.Be2=+ b5 22.Rb1 Rab8 23.Ra5 b4 24.Ne4? Bf5-+ 25.Ke3 Rfe8 26.Bd3 Be4 27.fe4 f5 28.Rb2 fe4 29.Be2 b3 30.Kd4 e3 31.Rb1 Re4 32.Kc3 Rf4 33.Bf3 b2! 34.Ra3 Kg7 0–1. Shirazi,K (2420) – Oleksienko,M (2540), 23rd Open, Cappelle la Grande FRA, 2007.

    5.Bd3 Nc6 6.Ne2 Nf6 7.c3 e5 8.0-0 Be7 9.Na3 0-0 10.f4 Bg4 11.Nc2 d5 12.fe5 Ne4 13.Qe1 Be2 14.Be2 f5 15.Rb1 Qd7 16.c4 Kh8 17.Bb2 Bg5 18.Rd1 Ne7 19.cd5 Nd5 20.Bd3 Rac8 21.Be4= fe4 22.Qe4 Qe6 23.Ba3 Rfd8 24.Bb2 Qg6 25.Qg6 hg6 26.Bc1 Bc1 27.Rc1 b5 28.Na3 a6 29.Kf2 Kg8 30.Ke2+= Ne7 31.Rc8+/- Nc8 32.Kd3 Ne7 33.Ke4 Nd5 34.Rc1 b4 35.Nb1 Kf7 36.Rc5 Ne7+/- 37.d5 Rc8 38.Rc8+- Nc8 39.Kd4 b3+/- 40.Kc5 Ke8 41.Nc3 b2 42.Nb1 Kd7 43.d6 g5+= 44.h3 Ke6= 45.Kc6 Na7 46.Kb6 Nb5 47.Ka6 Nd4 48.Kb6 Ke5 49.Kc5 Ne6= 50.Kc6 Nd8 51.Kc7 Nf7 52.d7 Kf4 53.Kc6?? Kf5?? 54.Kc7 Kf4 55.Kc6 g4?? 56.hg4? Kg4 57.Kd5= Kf5 58.Kd4 Kg4 59.Kd5 Nd8 60.Ke5 g5 61.Kf6 Nc6 62.g3 ½–½. Grekh,A (2290) – Shalimov,V UKR (2455), TCh–UKR Alushta UKR (5), 2005.

    5.Bd3 e5 6.c3 Nc6 7.Ne2 Nf6 8.0-0 Be7 9.f4 0-0 10.Na3 Bg4 11.Nc2 d5 12.fe5 Ne4 13.Qe1 Be2 14.Be2 Bh4 15.g3=+ Bg5 16.Bd3 Bc1 17.Rc1 f5 (17...Ng5 18.Qe3=+) 18.Ne3 (18.c4 a5=) 18...g6 (18...Qd7 19.c4 dc4 20.Bc4 Kh8 21.Rd1=) 19.Rb1 Qd7 20.Rb5 Attacks the isolani on d5 20...Ne7 21.Qb1 (21.c4 a6 22.Rb6 dc4 23.Bc4 Kh8=+) 21...b6 (21...Nd2 22.Rb7 Qe6 23.Qb4=) 22.Be4 (22.Qb2!?=) 22...fe4=+ 23.Rf6 Kg7 (23...Rac8 24.Rd6 Qh3 25.Rf6=+) 24.Rd6=+ Now all is on d5 24...Qh3 (24...Qc8 25.Qe1=+) 25.Nd5= Nd5 26.Rbd5 (26.Rdd5?? e3 27.Rb2 Rf2 28.Rd7 Qd7 29.Rf2 ef2 30.Kf2 Rf8 31.Kg1 Rf3-+) 26...Rf3 27.Rf6 (27.Rd7 Kh6 28.Rd8 Rd8 29.Rd8 Rc3=+) 27...Rf8 (27...Rc3!? 28.Qf1 Qf1 29.Kf1 Rc2=) 28.Rdd6 e3 29.Rf8 Rf8 30.Qb5?? (30.Rf6 Rf6 31.ef6 Kf6 32.Qb4-/+) 30...Qh5 (better 30...a6 31.Qe2 Rf2 32.Qf2 ef2 33.Kf2 Qh2 34.Kf3 Qh1 35.Kf4 Qc1 36.Ke4 Qc3 37.Rb6 Qg3-+) 31.Rf6 Rf6?? (31...Qd1 32.Kg2 Rd8 33.Qc6=) 32.ef6-/+ Kf6 33.Qc6 Kg5 34.h4 (34.Qb5 Kh6 35.Qh5 Kh5-+) 34...Kg4 (34...Kh6 35.Qf6 Qg4 36.Kg2-/+) 35.Qe4-/+ Kg3 36.Qe3 Kh4 (36...Kh4 37.Qe1 Kg5 38.Qe7 Kf4 39.Qa7 Qg4 40.Kf2 Qf3 41.Kg1 Qc3 42.Qb6 Qg3 43.Kh1 Qh3 44.Kg1 Ke4-+) 0–1. Gurkin,Anton (2155) – Jumabayev,Rinat (2440), CH of Kazakhstan, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Bd3 e5 6.c3 Nf6 7.f4 Nc6 (7...ed4!? 8.Ba3 dc3 9.Nc3 Be7-/+) 8.d5=+ Nb8 9.Nf3 Bg4 (9...Nbd7 10.Na3 Nc5 11.0-0=+) 10.fe5 (10.0-0 Nbd7=) 10...Bf3 11.Qf3 de5 12.Na3 Nbd7 13.0-0 Bc5 14.Kh1 0-0 15.Nc4 Rc8 (15...Qc7 16.Bg5=+) 16.Qg3 Qc7 17.Bh6 Ne8 18.Rad1 Kh8 19.Bc1 a6 20.Be2 b5 21.Nd2 Nd6 22.Bg4 Rce8 23.Rde1 Bb6 24.Bd7 Qd7 25.Ba3 f6 26.Nf3 Rc8 27.Nh4 (27.Bd6 Qd6 28.Ra1 a5-/+) 27...Bc5 28.Bc1 a5 29.Nf5 Nf5 30.Rf5 Bd6 31.Ref1 Rc4 32.Rh5 Qf7 (32...Kg8 33.Rh4-+) 33.Rh4-/+ Rc7 34.Qh3 g6 35.Bh6 Rd8 36.g4 (better 36.Qd3 Rc4 37.Qb1-/+) 36...g5?? (better 36...a4-/+) 37.Bg5+= fg5 (37...Be7!? 38.Bf6 Bf6+-) 38.Rf7+- Rf7 39.Rh6 Bc5 40.Rc6 Ba7 41.Qg3?? (41.Qd3 Rdf8 42.Kg2+=) 41...Rf1-+ 42.Kg2 Rg1 43.Kf3 (43.Kh3 Rg3 44.Kg3 a4-+) 43...Rg3 (43...Rf8 44.Ke2 Rg3 45.hg3-+) 44.hg3 b4 45.cb4 ab4 46.Rc7 Bb8 47.Rb7 Bd6 48.Ke2 Rb8 49.Rf7 (49.Rb8 Bb8 50.Kd3-+) 49...b3 50.Rf1 b2 51.Rb1 Bc5 (51...Ba3!? 52.Kd3-+) 52.Kd3 Kg7 (52...Ba3 53.Kc3-+) 53.Kc4 (53.Kc2 Bd4-+) 53...Bd4 54.d6 Kf7 55.Kd5 Rb5 56.Kc4 Rc5 (56...Rc5 57.Kb3 Ke6-+) 0–1. Bortnik,Alexandr (2315) – Shvayger,Yuliya (2190), Kiev Cup–Independence Cup, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Bd3 Nf6 6.c3 Nc6 7.Ne2 g6 8.0-0 Bg7 9.Na3 0-0 10.Ng3 e5 11.d5 Ne7 12.c4 Ne8 13.Nb5 a6 14.Nc3 f5 15.Ba3 f4 16.Nge2 f3 17.Nc1 fg2 18.Re1 b6 19.Rb1 g5 20.Qb3 Ng6 21.Be2 Nf4 22.Nd1 g4 23.Qb6 Qh4 (23...Ne2?! 24.Ne2 Qd7 25.Kg2+=) 24.Qe3 Rf6 25.Qg3 Qg5 26.Nd3? (better is 26.Na2-+) 26...Ne2 27.Re2 Rf3 28.Qg2 Rd3 29.Re3 Re3 30.Ne3 h5 31.c5 dc5 32.Bc5 Bd7 33.Rb7 Rc8 34.Ba3 Nf6 35.Qf1 Bb5 36.Qb1 Rc3 37.Bb4 Re3 38.fe3 Qe3 39.Kh1 Bd3 (39...Bd3 40.Qd3 Qd3-+) 0–1. Vetoshko,Volodymyr (1840) – Yuffa,Daniil (2035), EU–ch U10, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Bd3 Nf6 6.c3 e5 7.Ne2 Be7 8.0-0 Nc6 9.f4 0-0 10.Na3 Bg4 11.fe5 de5 12.d5 Nb8 (12...Na5 13.Be3-/+) 13.Nc4 (13.h3 Bh5=) 13...Bc5 (13...Nbd7 14.h3 Bh5 15.Qc2=) 14.Kh1= Nbd7 15.Bg5 (15.Ne3 Bh5=) 15...h6=+ 16.Bf6 (16.Bh4 b5 17.Na5 Qb6=+) 16...Nf6 (worse 16...gf6 17.h3 f5 18.ef5+=) 17.Qe1 (17.Ne5 Qc7 18.Nf3 Bd7=+) 17...Be2 (17...Re8 18.Ng3-/+) 18.Qe2= (worse 18.Be2 Ne4 19.Bf3 Ng5 20.Qe5 b5-/+) 18...Qe7 19.Rf5 (19.Qe1 Ne8=) 19...Nd7 (19...g6 20.Rf3=+) 20.Bc2 (20.Qg4 g6=) 20...Bd6 (20...a6 21.Na5 b5 22.Nc6=) 21.Ne3 a5 (21...Bc5 22.Nc4=) 22.Rf3 (22.Rff1 Rfd8+=) 22...g6= 23.Rh3 Kg7 24.Qg4 (24.Qd2 Rh8=) 24...Kh7 25.Nf5 (25.Rf1 Nf6 26.Qf3 Ng8=) 25...gf5 26.Qf5 Kg7 27.Qg4 Qg5?? (better 27...Kh7 28.Qf5 Kg7 29.Qg4 Kh7 30.Qf5=) 28.Qd7+- Rfd8 (28...Qe7 29.Rg3 Kh8+-) 29.Qb7 Rab8 (29...Qe7 30.Qb6+-) 30.Qa7 Qd2 (30...Kh8 31.Rg3 (31.Qa5?! Rg8 32.Rg1 Rb2+-) 31...Qf6 32.Rf3+- (32.Qa5?! Qf2 33.Bd3 Rg8+-; 32.Ra5? Ra8 33.Qg1 Ra5-+)) 31.Rf1 (31.Rg3 Kh8 32.Qf7 Rg8 33.Qf6 Kh7 34.Qd6 Qc2 35.Qe7 Kh8 36.Qe5 Kh7+-) 31...Rf8? (31...Kh8 32.Rg3 Rg8+- (32...Qc2?? 33.Qf7 Rg8 34.Qf6 Kh7 35.Qd6+-)) 32.Qd7 Rbd8 (32...Ba3+-) 33.Qf5 f6 (33...Qc2?? 34.Rg3 Kh8 35.Qf6 Kh7 36.Qg7) 34.Rg3 Kh8 35.Qg6 Rd7 36.Ba4 (better 36.h3 Qc2 37.Kh2+-) 36...Rh7 37.h3 (37.Bb3!? Qe2 38.Qf5 Qa6+-) 37...Bc5 38.d6 (better 38.Rd1 Qa2 39.Bb5+-) 38...Qe2?? (better 38...Qd6 39.Bb3 Qb8+-) 39.Rd1 (better 39.Rb1 Qf2 40.d7+-) 39...Qc4 (39...Be3+-) 40.d7 Rd7 41.Qh6 (better 41.Bd7 Qf7 42.Qf5+-) 41...Rh7-+ 42.Qg6 (42.Qd2 Qa4 43.Qd5 Rg7-+) 42...Qa4 43.Rf1 (43.Rgd3 Be7-+) 43...Qb5 44.Rgf3 (44.Qf5 a4 45.Ra1 a3-+) 44...Be7 (44...Qe2 45.Qg3 Qe4 46.Kh2-+) 45.R1f2 (45.Qf5 a4-+) 45...a4 46.Rg3 (46.Kh2-+) 46...Bc5 47.Rd2 (47.Rgf3 Bf2 48.Rf2-+) 47…Qf1 (47...Qf1 48.Kh2 Qg1) 0–1. Oberholzer,Francois (2030) – Shaposhnikov,Evgeny (2555), PRO League Eastern, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.Bd3 Nf6 6.Ne2 Nc6 7.c3 e5 8.Na3 Be7 9.0-0 0-0 10.Nc2 d5 11.f3 Be6 12.Kh1 a6 13.Ng3 b5 14.Bb2 Qb6 15.Qe2 ed4 16.cd4=+ Na5 17.e5= Nd7 18.Nf5 Bf5 19.Bf5 Nb8 20.Ne3+/- Rd8 21.Nd5! Qb7?? 22.Ne7+- Qe7 23.Ra5 Nc6 24.Raa1 Nd4 25.Bd4 Rd4 26.e6 Qg5 27.ef7 Kf7 28.Qe6 Kf8 29.Bh7 Rd2 30.Rg1 (30.Rg1 Qd5 31.Qd5 Rd5 32.Be4+-) 1–0. Hrabinska,M (2285) – Kalinina,Marianna, 3rd UKR Games Women, Evpatoria UKR, 2007.

    5.Bd3 Nf6 6.Ne2 Nbd7 7.0-0= e5 8.c3 Be7 9.Na3 0-0 10.f4 a6 11.Kh1 Qc7 12.Nc2 Re8 13.Ne3 Bf8 14.fe5 de5 15.Qb3 b5 16.Ng3 Bb7 17.d5 Rac8 18.Bd2 g6 19.Qd1=+ Bh6 20.Qf3 Bf4 21.Ne2 Nc5 22.Bc2 Nh5 23.g4 Nf6=+ 24.Be1 Red8 25.Bh4=+ Rd6 26.Rad1?? a5?? 27.g5?? Nh5 28.Ng4 b4 29.cb4 ab4 30.Ng3 1–0. Gurkin,A (2155) – Piskun,A (2020), 19th Czech Infinity Open, 2008.

    5.Bd3 Nf6 6.f4 e5! 7.fe5 (7.de5 Qa5 Double attack (7...Qa5 Decoy); 7.fe5 Qa5 Double attack (7...Qa5 Decoy)) 7...de5-+ 8.c3 (8.de5 Ne4! 9.Nf3 Bb4 10.Ke2 f5-+) 8...ed4 9.cd4 Bb4 10.Bd2? (better 10.Kf1-+) 10...Qd4 11.Bb4 Qa1 (11...Qb4?! 12.Qd2 Nc6 13.Ra3-+) 12.Ba3 Qe5 13.Qa4 Bd7 14.Qb3 Ne4 15.Ne2 (15.Nf3 Nc5 16.Ne5 Nb3-+) 15...Nc5 (15...Qa5!? 16.Nec3 Nc3 17.Nc3-+) 16.Qb4 (16.Bc5 Qc5 17.Qb7-+) 16…Nd3 (16...Nd3 17.Kd2 Nb4 18.Bb4 Qb2 19.Ke3 Qb4-+) 0-1. Hrabinska,Myroslava (2235) - Mammadzada,G (2440), Women's Speed Chess Q1, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

    5.Bd3 g6 6.c3 Bg7 7.Ba3 Nc6 8.Ne2 Nf6 9.0-0 0-0 10.Nd2 Re8 11.f4 d5 12.e5 Nd7 13.f5 Nb6 14.Ng3 e6 15.fg6+/- fg6 16.Nh5! Ne7 17.Ng7 Kg7 18.Bc1 Bd7 19.Nf3 Qc7 20.Qd2 Ng8 21.Ng5 Rf8 22.Ba3 Rf1 23.Rf1 Nh6 24.Be7 Re8? 25.Bf6+- Kg8 26.Nh7! Nf5 27.Bf5 ef5 28.Qh6 Be6 29.Qg6 (29.Qg6 Qg7 30.Qg7) 1–0. Starczewska,Dominika (1905) – Nowak,Kamil (1635), Rewal Poland, Open–B, 2011.

    5.Bd3 g6 6.Ne2 Bg7 7.0-0 Nc6 8.c3 Nf6 9.Na3 0-0 10.Ng3 e5 11.d5 Na5 12.h3 Nd7 13.Bd2 Nc5 14.Bc2 b6 15.c4 Nab7 16.Nb5 a6 17.f4? (17.Be3 f5 18.ef5 Bd7-/+) 17...Nd7 (17...Bh3 18.Nc3 ef4 19.gh3 fg3 20.Kg2-+) 18.Na3? (18.f5 Nf6+=) 18...Qh4 (better is 18...ef4!? 19.Bf4 Ba1 20.Qa1 f6-+) 19.Be1-/+ Qe7 20.f5 b5 1–0. Sean,Winshand Cuhendi (2195) – Shabanov,Nurlan (2140), Porto Carras GRE, World School Ch U17b, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6)

    5.f4 e6 6.Bd3 Nf6 7.Nf3=+ Be7 8.0-0 0-0 9.c3 d5 10.e5 Ne4 11.g4 g6 12.g5 Nc6 13.h4 Qc7 14.Be4 de4-/+ 15.Nfd2 e3 16.Ne4 Na5 17.Ba3 Nc4 18.Be7 Qe7 19.Nf6 Kg7 20.Qb3 Qc7 21.h5 b6 22.Ra4 Na5 23.Qc2 Bb7 24.Qh2= Rh8 25.h6 Kf8 26.Qb2 Bc6 27.Ra1+= Rc8 28.Na3 Be8 29.c4 Qe7 30.Rac1 Nb7 31.Rfe1+/- Bc6 32.Re3 Bd7 33.Nb1 Na5 34.Rec3 Nc6 35.R3c2 Qd8? 36.Nd2 1–0. Macicek,Jak (2060) – Diviak,Ra (1935), 17th Pobeskydi Radegast Cup, Frydek Mistek, 2006.

    5.f4 g6 6.Bd3 Bg7 7.c3 Nf6 8.Nf3 0-0 9.0-0 Nc6 10.Na3 Bd7 11.Qe1 (11.Bd2 Rb8=+) 11...Rc8 (11...d5 12.e5 Ng4 13.Bd2=+) 12.Bd2 a6 (12...d5 13.e5 Ne4 14.Be4 de4 15.Qe4=) 13.Qh4 (13.e5 Ng4=) 13...Na5 (13...b5=) 14.Rab1 (14.e5!? Ne8 15.Rfb1 de5 16.fe5= (worse 16.Ne5 Be6-/+)) 14...b5-/+ 15.Ng5 (15.Rb2 h6-/+) 15...h6 16.Nf3 d5 17.Ne5?? (better 17.ed5 Bf5 18.Bf5 gf5 19.Qe1-/+) 17...de4-+ 18.Bc2 e3! 19.Be1 (19.Be3 Nc4 Double attack (19...Rc3 Deflection; 19...Nc4 Decoy)) 19...Nd5 20.f5 (20.Qg3 Nc3 21.Qe3 Nb1 22.Bb1 Nc6-+) 20...Bf5 (20...Nc3?! 21.fg6 fg6 22.Rf8 Qf8 23.Bc3 (23.Nd7?? Ne2 24.Kh1 Qf1) 23...Qf2 24.Qf2 ef2 25.Kf2 Rc3 26.Nd7 Bd4 27.Ke2 Re3 28.Kd1 Ra3 29.Bg6-+) 21.Bf5 gf5 22.Qh3 (22.c4 Nc4 23.Nac4 bc4 24.Rf5-+) 22...Nc3 23.Qf5 (23.Qe3 Nb1 24.Nb1 Nc4-+) 23...e2 (better 23...Nb1!? 24.Nb1 e2 25.Rf4-+) 24.Rf4 Nb1 25.Nf7 (25.Qb1 Nc6 26.Nc6 Rc6 27.Qd3-+) 25...Qb6 26.Qd5 (26.Nb1 Rc1 27.Kf2 e5-+) 26...e6 27.Qd7 Rc1 (27...Rc1 28.Kf2 Rc7-+) 0–1. Trkulja,Zoran (2175) – Lipp,Alfred (2055), Offene Wiener Landesmeisterschaft, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.f4 g6 6.Nf3 Bg4 7.c3 Bh6 8.Na3 Nf6=+ 9.Bd3 0-0 10.0-0 Nbd7 11.Qe1 e5 12.Nc4 Bf3 13.Rf3 ed4=+ 14.cd4 d5 15.ed5 Nd5 16.f5 Bg7 17.Bb2 Qe7 18.Qf2 b5 19.Nd2 N7f6 20.h3 b4 21.g4 g5-/+ 22.Nc4 Nf4 23.Ne5 N6d5 24.Re1 Qd6 25.h4 h6 26.Bb1 a5-+ 27.Rc1 Rac8 28.Nc4 Qa6 29.Qc2? Rfe8 30.Kf2 Re2 (30...Re2 31.Qe2 Ne2 32.Ke2 Nb6-+) 0–1. Martell,J – Vassar,R, USA op, 1972.

    5.f4 g6 6.Nf3 Bg7 7.Na3 Nh6 8.Bd3 0-0 9.0-0 Nc6 10.c3 d5 11.e5 Bf5-/+ 12.Bf5 Nf5 13.g4 Nh6 14.Ng5 Qd7 15.f5 gf5-+ 16.gf5 Nf5 17.Qg4 e6 18.Rf3 f6 19.Nh7? Kh7 20.Rh3 Bh6 21.Bh6 Nh6 22.Rh6 Kh6 23.Kh1 Qh7 24.Re1 Qf5 25.Qh4 Qh5 26.Qf4 Qg5 27.Qf3 fe5 28.Qh3 Qh5 29.Qe6 Kh7 30.Rg1 Rf7 31.Nb5 Qf3 32.Rg2 Qf1 33.Rg1 Qg1! (33...Qg1 34.Kg1 Rg8 35.Qg6 Rg6 36.Kh1 Rf1) 0–1. Gietl,Thomas (2340) – Kaeser,Udo (2275), GER Cup qf Walldorf, 1998.

    5.f4 g6 6.Nf3 Bg7 7.c3 d5 8.e5 h5 9.Bd3 Nh6 10.Na3 0-0 11.Nh4 Bd7 12.f5 Qc8 13.0-0 Qc3 (worse is 13...Nf5 14.Nf5 Bf5 15.Bf5 gf5 16.Bg5 Qc3 17.Be7 Qe3 18.Kh1=) 14.Nc2 Nf5 15.Bf5 Bf5 16.Nf5 gf5 17.Ra3 Qc6 18.Rf5 Rc8 19.Rf2 Na6 20.Qh5 Qg6 21.Qd1 Rc6 22.Rg3 Qh7 23.Rh3 Qg6 24.Rg3 Qh7 25.Rh3 ½–½. Vetoshko,Volodymyr (1840) – Lots,Stepan (2330), UKR–ch sf U20, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.f4 g6 6.Nf3 Bg7 7.Bd3 e6 8.0-0 Ne7 9.Ba3 0-0 10.c3 Qc7 11.e5 de5 12.fe5 Nbc6 13.Nbd2 Nd5? (better is 13...f6!? 14.ef6 Rf6+=) 14.Bf8+- Bf8 15.Ne4 (better is 15.Qb3!?+-) 15...Ne3+= 16.Nf6 Kh8 17.Qe1 Nf1 18.Qh4 h6 19.Rf1 Bd7 (better is 19...Ne7 20.Ne8 Qd7+/- (20...Qc3 21.Qf6 Kg8 22.Ng5 Qd4 23.Kh1 Qa4 24.Qf7 Kh8 25.Qh7)) 20.Ng5 (20.Nd7?! Qd7 21.Qf4 a5+=) 20...Be8 (20...Ne5 21.de5 Bc8+-) 21.Ne8 Re8 22.Rf7 (22.Nf7 Qf7 23.Rf7 Bg7 24.Bg6 Nd8 25.Rd7 Nc6 26.Rg7 Kg7 27.Qf6 Kg8 28.Qf7 Kh8 29.Qh7) 22...Qd8 (22...Qe7 23.Re7 Re7+-) 23.Rf8! (23.Rf8 Kg7 24.Rf7 Kh8 25.Qh6 Kg8 26.Qg7) 1–0. Macicek,Jakub (2030) – Jankovec,Ivan (2195), CZE–chT2f, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    5.f4 g6 6.Nf3 Bg7 7.h3 Nc6 8.Nc3 Nf6 9.e5 de5 10.fe5 Nd5 11.Nd5 Qd5 12.c4 Qa5 13.Bd2 Qb6 14.c5 (better 14.Ra3!? 0-0 15.Qb3 Qb3 16.Rb3=+) 14...Qb2-+ 15.Rb1 (15.Kf2 Bf5 (15...Nd4?! 16.Qa4 Bd7 17.Qd4=) 16.Bc4 Nd4-/+) 15...Bf5 16.Rb2 ab2 17.Bh6 b1Q (17...b1Q 18.Qb1 Bb1 19.Bg7 Rg8-+; 17...Bh6?! 18.Bd3 Bd3 19.Qd3-/+) 0-1. Savchenko,B (2565) - Yeletsky,Ivan (2435), 23rd Voronezh Master Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

    5.Nf3 Nf6

    6.Nc3 g6 7.Ba3 Bg7 8.Bc4 0-0 9.e5 de5-/+ 10.de5 Ng4 11.Qd8 Rd8 12.Rb1? Ne5-+ 13.Ne5 Be5 14.Nd5 e6 15.Ne7 Kg7 16.0-0 a6 17.c3 b5 18.Bd3 Bc3 19.Rbc1 Rd3 20.Nc8 Nd7 21.Ne7 b4 (21...b4 22.Bb4 Bb4-+) 0–1. cjack (2165) – mippus (2115), net–chess.com, 2008.

    6.Nc3 g6 7.Bd3 Bg7 8.0-0 0-0 9.Ba3 Bg4 10.h3 Bf3 11.Qf3 Nc6 12.Qe2? Nd4-+ 13.Qe3 Nd7 14.Bb2 Ne6 15.Ra7 Ra7 16.Qa7 Qb6 17.Qa1 Rd8 0–1. Chkhaidze,Mariana – Horvath,Reka, EU–ch U12 Girls, 1997.

    6.Bd3 e6 7.0-0 Be7 8.Ba3 0-0 9.e5 Ne8 10.Nc3 d5 11.h4 f5 12.Nb5 Ba3 13.Na3 Nc7 14.c4 Bd7 15.Qb3 Bc6 16.Rfc1 Nd7 17.Ng5 Qe7 18.Nb5 Bb5 19.cb5+= Nb6 20.Rc7 Qc7 21.Ne6 Qe7 22.Nf8 Qf8 23.Ra3 Qf7 24.Qa2 Nc8 25.Qc2 Ne7 26.Qc7 Ng6 27.Rc3 Rf8 28.g3 1–0. Oreshko,Mariya (1690) – Nominerdene,Davaademberel (1770), Caldas Novas BRA, World Ch U12 (g), 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    6.Bd3 e6 7.0-0 Be7 8.Na3 0-0 9.h3 Nbd7 10.Bf4 b6 11.Nb5 e5 12.de5 de5 13.Ne5 Ne5 14.Be5 Bb7 15.Qe2 a6 16.Nc7 Rc8 17.Na6 Bd6 18.Bd6 Qd6 19.e5 Qd5 20.f4 Rfe8 21.Kh2 Ne4 22.Rfe1 Nc3 23.Qf2 Red8 24.Rg1 Qd4 25.Qh4 Be4 26.Qg4 Bd3 27.cd3 Qd3 28.e6 Re8 29.ef7 Kf7 30.Nb4 Qe4?? (better is 30...Qd6=) 31.Ra7+- Re7 32.Re7 (worse is 32.Qc8 Ra7 33.Qc3 Qf4 34.g3 Qf6 35.Qc4 Kg6+-) 32...Ke7 33.Qc8 (33.Qg7?! Kd8 34.Qf6 Kd7+-) 33...Qf4 34.Kh1 Qb4 35.Re1 (35.Re1 Ne4 36.Qb7 Kf6 37.Qe4 (worse is 37.Re4 Qd6 38.Re1 g6+-) 37...Qe4 38.Re4+-) 1–0. Gietl,Thomas (2305) – Goetz,Gerhard, Postbauer op U18 3rd, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    6.Bd3 g6 7.0-0 Bg7 8.Ba3 0-0 9.Nbd2 Nfd7 10.Re1 Nc6 11.c3 b6 12.h4 h5 13.Qb3 Na5 14.Qa2 Nf6 15.Ng5 Nh7 16.Ndf3 Bh6 (16...Ng5!? 17.Ng5 Bb7=+) 17.e5= Bg5 18.hg5 e6 (18...Be6!? 19.d5 Bg4=) 19.ed6 (19.Bd6 Re8+/-) 19...Ng5 20.Ng5 Qg5 21.Re5 Qf6 22.d7 Bd7 23.Bf8 Rf8 24.Rae1 Rc8 25.Qa3 Bc6 26.R1e3 Bd5 27.Rg3 h4 28.Rg4 Nc4 (28...h3 29.Reg5 A) 29...hg2 30.Bg6 fg6 31.Rg6 Qg6 32.Rg6 Kf7 33.Rh6+- (33.Rg2?! Bg2 34.Kg2 Nc6+/-); B) 29...Nc4 30.Qa7 Ra8+=) 29.Bc4+/- Bc4 30.Qa7 Bd3 31.Qa1 Bf5 32.Rf4 Qg5 33.Rf3 Qh6 34.Qe1 Bg4 35.Qe3 Qh8 (35...Qe3!? 36.Rfe3 Bf5+/-) 36.Rf4+- Bf5 37.d5 Rc5 38.Ra4 (38.Rb4!? Rd5 39.Rd5 ed5 40.Qb6 Qc3 41.Qd8 Kg7 42.Rh4 Qc1 43.Kh2 Qc8 44.Qd5 Qb8 45.g3 g5+-) 38...Qf6+/- 39.Qh6 Rc8 (39...Rd5?? 40.Rd5 ed5 41.Ra8 Bc8 42.Rc8 Qd8 43.Rd8) 40.Re3 ed5 41.Rh4 Qg7 42.Qf4 Qf6 43.Qg3 (43.Re5 Qg7+-) 43...Ra8 44.Rd4 Be6 45.Rd1 Rc8 46.Rf3 Qg7 47.Rb1 d4 48.Rb6 Qh6 49.Rb1 Bd5 50.Qg4 Qf8 51.Rd3 Be6 52.Qd4 Bf5 53.Rbd1 Bd3 54.Rd3 Rb8 55.Rh3 Qg7 56.Qg7 Kg7 57.Re3 Rb2 58.g3 Rc2 59.Rd3 Kf6 60.Kg2 Ke5 61.Kf3 g5 62.Ke3 g4 63.f3 gf3 64.Kf3 f5 65.Re3 Kf6 66.Kf4 Rf2 67.Rf3 Rc2 68.Rd3 Rc1 69.Rd6 Ke7 70.Rc6 Rf1 71.Ke3 Re1 72.Kf2 Rc1 73.c4 Rc3 74.Kg2 Kf7 75.c5 (75.Kh2!?+/-) 75...Ke7= 76.Rc7 Ke6 77.c6 Kd6 78.Rd7 Ke6 79.Rc7 Kd6 ½-½. Broz,Petr (1990) - Pulpan,J (2410), Ceske Budejovice Open, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

    6.Bd3 g6 7.0-0 Bg7 8.Na3 0-0 9.Bb2 (9.Bd2 Nh5=) 9...Bg4 10.h3 Bf3 11.Qf3 (worse is 11.gf3 Nh5 12.c3 e5-+) 11...Nfd7 12.e5 (12.c3!?=) 12...Nc6+= 13.ed6 ed6 14.Rab1 (14.c3 Nf6=) 14...d5 (14...Nd4!? 15.Qd5 Qf6+=) 15.Qd5+= Nb6 16.Qd8 Rad8 17.c3 Rfe8 18.Rfe1 Nc8 (18...a6!?+=) 19.Re8+/- Re8 20.Kf1 Nd6 21.Nb5 Nb5 22.Bb5 a6 23.Be2 Rc8 24.Bg4 f5 25.Bf3 Nd8 26.Re1 Bf6 27.Bd5 Nf7 28.Bb7 (28.Re2 Rc7+/-) 28...Rb8 29.Ba3 Rb7?? (better is 29...Bd4 30.cd4 Rb7 31.Re8 Kg7+/-) 30.Re8 Kg7 31.Bf8 (31.Bf8 Kg8 32.Bh6) 1–0. Ketola,Ville (2110) – Nikolakaros,Kimon (1625), Naantali FIN, Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

    6.Bd3 g6 7.0-0 Bg7 8.Qe2 0-0 9.Rd1 Nc6 10.Bb5 (10.c3 Bg4+=) 10...Qb6 11.e5 (11.Na3 Bg4 12.c3 a6+=) 11...de5-/+ 12.de5 Ng4 13.Na3? (better is 13.Bc6!? Qc6 14.Na3+=) 13...Nce5-+ 14.Ne5 (better is 14.Rb1-+) 14...Be5 (14...Ne5?! 15.Be3 Qe6 16.Nc4-+) 15.h3 (15.Rb1 Bh2 16.Kf1 Qf6-+) 15...Ba1 (15...Qf2 16.Qf2 Nf2 17.Kf2 Ba1 18.Bg5-+) 16.hg4 Bg7 17.Be3 Qa5 18.Nb1 (18.Rd3 Be6-+) 18...Qb4 (18...Bg4!? 19.Qg4 Qb5 20.Qd7-+) 19.f3 (19.Bc4 a6-+) 19...a6 20.Bd2 (20.Bc4 Qa5-+) 20...Qd4 (better is 20...Qb5 21.Qb5 ab5-+) 21.Be3 Qb4 22.Bc4?? (22.Bd2 Qb5 23.Qb5 ab5 24.Bb4-+) 22...b5 (better is 22...e6!? 23.g5-+) 23.Bd5 Bb7?? (better is 23...Rb8 24.Ba7 Bb7-+) 24.Bb7-/+ Rad8 25.Ba6 Qc4 26.Qc4-/+ Rd1 27.Qf1 Rf1 28.Kf1 Ra8 29.Bb5 Ra1 30.c4 Rb1 31.Kf2 Be5 32.f4 Bd6 33.Bd7 Rb7 34.Ba4 Rc7 35.Bb3 Bc5 36.Bc5 Rc5 37.Ke3 Kf8 38.Kd4-/+ Rc7 39.c5 Ke8 40.Kd5 Rb7 41.Ba4 Kd8 42.c6? Rb4 43.Bd1 Rf4 44.Kc5 Kc7 45.Bf3 Ra4 46.Bd1 Ra1 47.Bf3 Ra5 48.Kb4 Re5 49.Kc4 h5 50.Kd4 Rg5 51.gh5 gh5 52.Ke3 h4 53.Kf4 Rg3 54.Ke3 h3 55.Kf2 hg2 56.Bg2 Rg2! 57.Kg2 Kc6 58.Kf3 Kd5 59.Kf4 Kd4 60.Kf3 e5 61.Ke2 Ke4 62.Kf2 Kd3 63.Ke1 Ke3 64.Kf1 Kd2 65.Kf2 e4 (65...e4 66.Kg2 f5-+) 0–1. Hind,Faraj – Liiv,Kristiina, Al–Ain UAE, World Ch Girls U10, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6 5.Nf3 Nf6)

    6.Bd3 g6 7.Bg5 Bg7=+ 8.Qd2 0-0 9.Ra3 Qe8 10.Nc3 a6 11.Bf6= ef6 12.Qf4 f5 13.0-0 fe4 14.Be4 Nc6 15.Re1 Qd8 16.Nb5 d5 17.Bd5 ab5 18.Ra8-/+ Qd5 19.c3 b4 20.c4 Qc4 21.Qc7 Be6 22.Qb7 Nd4 23.Ra4 Nf3 24.gf3 Qc3 25.Re3 Qc1 26.Kg2 b3 27.f4 b2 28.Rb4 Ba2 29.Reb3 Bb3 30.Rb3 Qf4 31.Rb4 Qg5 32.Kf3 Qh5 33.Kg2 Be5 34.f4 Bg7 35.Qe4 Qg4 36.Kf2 Qd1 37.f5 Qd2 38.Kf3 Qd1 39.Kg3?? Qg1 40.Kh3 Qf1 41.Kg3 Qf5 42.Qb7 h5 43.h4 Rc8 44.Re4 Rc3 45.Re3 Re3 (45...Re3 46.Qf3 Qf3 47.Kh2 Be5 48.Kg1 b1Q) 0–1. Caldon,D – Voon,Min, Doeberl Cup Canberra, 1994.

    4.d4 e6

    5.Ba3 Ba3 6.Ra3 Ne7 7.Nf3 d5 8.e5 (8.Nc3 0-0+=) 8...h6 9.Bd3 Bd7 10.Nc3 a6 11.Qb1 Qc7 12.Qb4 (12.0-0 0-0=) 12...Nec6 (12...a5 13.Qc5 Na6 14.Ba6 (worse is 14.Qa5 b6 15.Qa6 Ra6 16.Ba6 0-0-+) 14...Qc5 15.dc5 Ra6 16.Kd2+=) 13.Qb1 (13.Qc5 b6 14.Qd6 Qd6 15.ed6 Na7=) 13...Ra7 (better is 13...Na5+=) 14.Na4?? (better is 14.0-0=) 14...Qa5-+ 15.Nd2 (15.c3 b5 16.Qb3 ba4 17.Ra4 Qc7-+) 15...b5 0–1. Grove,Michael (2080) – Snorek,Milan (2105), Brno CZE, 5th Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.Ba3 Ba3 6.Na3 d5 7.e5 Bd7 8.Nb5 Bb5 9.Bb5 Nc6 10.Bc6 bc6 11.Qg4 g6 12.Nf3 Ne7 13.0-0 0-0 14.c4 a5 15.Rfc1 Qd7 16.Qh3 Kg7 17.Qh4 Rfb8 18.c5 a4 19.Qf6 Kg8 20.Ra3 Rb3 21.Rca1 Ra3 22.Ra3 Nf5 23.g4 Ng7 24.Qg5 Qb7 25.Kg2 Qb4 26.Ra1 Ne8 27.Qh4 Qb7 28.Ra3 Qd7 29.Ng5 f6 30.ef6 Nf6 31.Rf3 Rf8 32.Rf6 Rf6 33.Nh7 Rf7 34.Nf6 Rf6 35.Qf6 Kh7 36.g5 ½–½. Osthus,Reinhard – Dietrich,Udo (2155), DESC, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.Bd2 d5 6.e5 Nc6 7.Na3 Nd4 8.Nb5 Nc6 9.Nf3 Bc5 10.Bg5 f6 11.ef6 gf6 12.Bd2 Nge7 13.Be2 0-0 14.Ra4 e5 15.Nh4 Be6 16.Bh6 Rf7 17.Bh5 Ng6! 18.Ng6 hg6 19.Bg6 Rd7 20.Rg4? Kh8?? 21.Rh4+= Kg8 22.0-0 e4 23.Qh5 Ne5 24.Bg7 Ng6=+ 25.Qh7 Kf7 26.Bh6 Ke8 27.Qg6 Bf7 28.Qf5 Bf8 29.Bf8+/- Kf8 30.Rh8 Bg8 31.Nd4 Ke7 32.Qh3 Qb6 33.Nf5 Ke6 34.Nh6 Kd6 35.Rg8 Rg8 36.Ng8 Kc7 37.Qc3 (37.Qc3 Kd8 38.Nf6+- (< 38.Qf6 Qf6 39.Nf6 Rd6+-)) 1–0. jamesjj (2205) – gregorgysi (2220), net–chess.com, 2009.

    5.e5 d5 6.f4 f5 7.Na3 Bb4 8.Kf2 Nh6 9.Qh5 Kf8 10.Nb5 Ng4 11.Kf3 g6 12.Qg5 Be7 (better is 12...Qg5!? 13.fg5 Nc6+=) 13.Ba3+/- Nc6 14.h3 h5 15.hg4?? (better is 15.g3 Nh6 16.Ne2=) 15...hg4-+ 16.Kg3 Rh1 17.Qf6 Kg8 (17...Ke8!? 18.Be7 Qe7 19.Nd6 Kd7 20.Qe7 Ke7 21.Ne2-+) 18.Qg6 Kh8 19.Kf2 Bh4 (better is 19...Ba3!? 20.Ra3 Qh4 21.Rg3 Qh7 22.Qh7 Rh7-+) 20.Ke3-/+ Ne5 (20...Ne7 21.Qh6 Kg8+=) 21.de5= Qb6 (21...Rg1 22.Nd6 Qb6 23.Kd3 Qa6 24.Kd2 Qa5 25.Ke2 Qa6 26.c4 Qd6 27.ed6+-) 22.Kd2 Bf2 (22...Qg1 23.Bf8 Be1 24.Kd1+-) 23.Bd3 Bd7 (23...Qe3 24.Kc3 Qf4 (24...Bg1?? 25.Be7 Qc5 26.Bc5+-; 24...Rg1 25.Rg1 Bd7 26.Rh1 Qh3 27.gh3 Bh4 28.hg4 Rc8 29.Kd4 Rc4 30.Bc4 dc4 31.Rh4) 25.Qf6 Kg8+/-) 24.Nf3?? (24.Be7 Qe3 25.Kc3+-) 24...Ra1 (24...Be3 25.Kc3 Rc8 26.Kb2 Ra1+=) 25.Be7?? (better is 25.Qh6 Kg8 26.Qg6 Kh8 27.Qh6 Kg8 28.Qg6 Kh8=) 25...Be1! 26.Ne1 Qf2 27.Kc3 Qe1 28.Kd4 Ra4 29.c4 Rc4! 30.Bc4 Qe4 31.Kc3 dc4 32.Kd2 Qf4 33.Kd1 ½–½. Bird – Macdonnell, London, 1882. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.Nf3 d5 6.e5 Bd7 (6...a2 7.Ra2 Nc6 8.Be2=+) 7.c3 (7.Ba3 Ne7=+) 7...Qc7 8.Bd3 Ne7 (8...f6 9.0-0=+) 9.0-0 (9.Ba3 Ng6=) 9...Ng6=+ 10.Ng5 Be7 (10...Nc6 11.Qh5 Bc8 12.Nh7+=) 11.f4 (11.Qh5!? Bg5 12.Bg5=) 11...Qb6 12.Qe2 (12.Na3 Nc6=+) 12...Nc6-/+ 13.Kh1 (13.Qf2!?-/+) 13...Na5 14.Ba3 Nf4 15.Rf4 Bg5 16.Rf7 (16.Rf1 h5 17.Bc5=) 16...Kf7-+ 17.Qh5 g6 (better 17...Kg8!? 18.Qg5 Bb5-+) 18.Qg5-/+ Qd8 19.Qh6 Nc4 (19...Nc6!?=+) 20.Bc4= dc4 21.Nd2 Bc6 22.Rf1 Ke8?? (22...Kg8 23.Nc4 b5+-) 23.Qg7+- Bg2 24.Kg2 Qg5 25.Kh1 (25.Kh1 Rg8 26.Qg8 Kd7 27.Qf7 Kd8 28.Qf8 Kc7 29.Qd6 Kc8 30.Rf8 Qd8 31.Qd8) 1–0. Zhou,Jianchao (2205) – Kessler,Michaela (2010), ch–AUT Linz AUT, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 e6)

    5.Nf3 d5 6.e5 Ne7 7.Bd3 Ng6 8.0-0 Be7 9.Na3 (9.Ba3 Nf4=) 9...0-0=+ 10.h4 (10.Nb5!?=+) 10...Nh4-/+ 11.Nh4 Bh4 12.g3 Be7 13.Bh7?? (better 13.Qh5 g6 14.Qh6-/+) 13...Kh7-+ 14.Qh5 Kg8 15.Kg2 f6 16.Rh1 fe5 17.de5 Rf5 (17...Nc6 18.Qh7 Kf7 19.Qh5 g6 20.Qh7 Ke8 21.Qg6 Kd7 22.Rh6-+) 18.Qh7? (18.Qh8 Kf7 19.f4 Qh8 20.Rh8-+) 18...Kf7 19.Rh6 Qg8 20.Qg6 Kf8 21.Rh7 (21.Nb5 Na6 (21...Re5 22.Nc7 Bd7 23.Rh7-/+) 22.Ra6 ba6-+) 21...Bd7 (21...Bc5 22.f3 Re5 23.Rg7 Re2 24.Kf1 Qg7 25.Bh6 Rf2 26.Ke1 Qh6 27.Qh6 Ke7 28.Qg7 Kd8 29.Nb5-+) 22.Bh6 (22.Rg7 Qg7 23.Bh6 Qh6 24.Qh6 Ke8 25.f4-+) 22...Rf7 (22...gh6?! 23.Qh6 Ke8 24.Rh8 Qh8 25.Qh8 Rf8 26.Qh6-+) 23.Rh1 (23.Bf4 Be8 24.Qh5 Rf4 25.Qh3-+) 23...Ba3 (better 23...Be8 24.f3 Nc6-+ (24...Ba3?! 25.Bg7 Rg7 26.Qf6 Rf7 27.Rf7 Bf7 28.Qd8 Be8 29.Qf6 Bf7 30.Qd8 Kg7 31.Qf6 Kf8=; 24...gh6?! 25.Qh6 Rg7 26.Rh8-+)) 24.Bg7=+ Rg7 25.Qf6 Rf7?? (better 25...Ke8 26.Rg7 Qf8 27.Qg6 Kd8=) 26.Rf7+- Ke8 27.Rhh7 a5 (27...Qf7 28.Qf7 Kd8 29.Qg8 Kc7 30.Qe6 Bc5+-) 28.Re7! (28.Re7 Kd8 29.Rd7 Ke8 30.Rd8) 1-0. Leentjens,G (1865) - Muenk,Johannes (1695), 23rd HZ Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

    4.d4 g6

    5.Ra3 Bg7 6.Bc4 Qb6 7.Ne2 d6 8.0-0 Nc6 9.Be3= Qd8 10.f4 Nf6 11.f5 d5 12.ed5 Nd5 13.fg6 hg6 14.Bf2 Be6 15.Bb3 b5 16.Ra6 Qc7 17.h3 Rd8 18.c4 Ndb4 19.cb5 Bb3 20.Qb3 Na6 21.Bg3 e5 22.bc6 0-0 23.d5 Qa5 24.Nbc3 Nc7 25.Rd1 Rfe8 26.Kh2 Qc5 27.Ne4 Qb5 28.Qb5 Nb5 29.d6 f5 30.Bh4 Rc8 31.d7 fe4 32.de8Q Re8 33.Bd8 a6 34.c7+/- Na7? 35.Nc3 e3+/- 36.Nd5 e4 37.Ne3 a5 38.Rb1 Bd4 39.Rb7 Nc8 40.Nc2 Ba7? 41.Rb8+- Nd6 42.Ra8 Bb6 43.c8Q Nc8 44.Bb6 a4 45.Bc5 1–0. Fernandez,Dani (2365) – Swathi,G (2330), Sydney International Open, Parramatta A, 2009.

    5.c3 Bg7 6.Bd3 d6 7.f4 Nf6 8.Ne2 0-0 9.0-0 b6 (9...Nc6!?-/+) 10.e5= Ne8 (10...de5 11.fe5 Nd5 12.Be4= (worse 12.Na3 Nc3 13.Nc3 Qd4 14.Rf2 Qc3-/+; worse 12.Ra3 Nc6=)) 11.Qb3 (11.Na3 Nc6=) 11...Bb7 (11...Be6 12.Qa3 Nc6 13.Nd2=+) 12.Ba3 (12.Na3 Nc6 13.Qb1 Nc7=+) 12...Nc6-/+ 13.e6 (13.Nd2 de5 14.fe5 Ne5-+) 13...f5 14.Nd2 Na5 (14...Qc8 15.Qa2-/+) 15.Qa2-/+ Nc7 16.c4 (16.Nf3!?-/+) 16...Ne6-+ 17.Bb2 (17.c5 d5 18.Nf3 bc5 19.Bc5 Nc5 20.dc5 Ba1 21.Ra1 Nc6-+) 17...Nc6 18.Nf3 (18.c5 d5 19.Rab1 Nb4-+) 18...Nb4 19.Qb3 Nd3 (19...a5 20.Rac1-+) 20.Qd3 Nc5! 21.dc5 (21.Qa3 Ne4 22.d5 Bb2 23.Qb2-+) 21...Bb2 22.Rad1 (22.Ra2 Bf6-+) 22...Bf3 23.Rf3 (23.Qf3 bc5 24.Nc3 Qa5-+) 23...bc5 24.h4 (24.Nc3 Qa5 25.Qc2 Rab8-+) 24...Qe8 (24...a5 25.Qd2 Bf6 26.h5-+) 25.h5 (25.Nc3 Rb8-+) 25...a5 26.Kf2 (26.Qd2 Bg7-+) 26...a4 27.hg6 (27.Nc3 a3 28.Qe2 Qf7 29.hg6 hg6-+) 27...hg6 28.Rh1 (28.Nc3 a3 29.Rh1 Qf7-+) 28...a3 29.Nc3 Qf7 30.Rfh3 (30.Rg3-+) 30...Qf6 31.Qd5 (31.g4 Bc3 32.Qc3 Qc3 33.Rc3 Rfb8-+) 31...e6 32.Rh8 (32.Qd2 Qd4 33.Qd4 cd4-+) 32...Qh8 33.Qe6 Kg7 34.Rh8 (34.Qe7 Rf7 35.Rh8 A) 35...Kh8?! 36.Qf7 Bc3 37.Qb7-/+ (37.Qg6?? a2 38.Qh5 Kg8 39.Qf5 Bd4 40.Kg3 Ra3 41.Kg4 Ra7-+); B) 35...Rh8-+) 34...Kh8 (34...Rh8?! 35.Qe7 Kh6 36.Qh4 Kg7 37.Qe7 Kg8 38.Qe6 Kg7 39.Qe7=; 34...Bc3?! 35.Rg8 Rg8 36.Qe7 Kh6 37.Qh4 Kg7 38.Qe7 Kh6 39.Qh4 Kg7 40.Qe7=) 35.Na2 Bd4 36.Kg3 (36.Kf1 Kg7-+) 36...Rae8 37.Qd6 (37.Qd7 Re3 38.Kh2 Rfe8-+) 37...Re3 38.Kh2 Kg7 39.Qd7 Rf7 40.Qd6 (40.Qa4 Kf6 41.Qa6 Re6 42.Qa3 Rh7 43.Kg3 Re3 44.Qe3 Be3-+) 40...Re1 41.Qb8 (41.Qa6 Rfe7 42.Qa3 Bg1 43.Kh3 R1e3 44.g3 Ra3 45.Nc1 Re1 46.Nd3 Re2 47.Nf2 Rf2 48.Kh4 Kf6 49.g4 Rh2) 41...Rfe7 42.Qb6 Bg1 43.Kh3 R1e3 44.g3 (44.Kh4 Bf2 45.g3 Rg3 46.Qd8 Rg4 47.Kh3 Re3 48.Kh2 Bg1 49.Kh1 Rh3) 44…Re2 (44...Re2 45.Qg6 Kg6 46.g4 R7e3 47.Kh4 Bf2) 0–1. Asaria,Danial (2020) – Aoshima,Mirai (2280), 26. North American Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 g6)

    5.c3 Bg7 6.f4 d6 7.Na3 Nf6 8.Bd3 e5 9.Nc4 ed4 10.Ba3 0-0 11.Nd6= dc3 12.Nc8 Qc8 13.Bf8 Kf8 14.Rc1 Qc5 15.Qf3 Nc6 16.e5 Nd4 17.Qb7+= Re8 18.Nf3 Nc6 19.Be2= Ne4 20.Rf1 c2 21.Nd2 Qc3 22.Qd7 Rd8 (22...Rd8 23.Rf3 Qb2 (23...Qd2?! 24.Qd2 Nd2 25.Rd3 Rd3 26.Bd3-/+; 23...Nd2?? 24.Qd8 Nd8 25.Rc3+-) 24.Qd8 Nd8-+) 0–1. Petyko,Zoltan – Nikolaev,Sergej (2345), Spring op Budapest, 1990.

    5.Nf3 Bg7 6.c3 Nf6 7.Bd3 0-0 8.0-0 d6 9.Ba3 Nc6 10.Re1 b6 11.Nbd2 Bb7 12.Nf1 Rc8 13.Rc1 Re8 14.Ne3 Na5 15.Nd2 d5 16.e5= Ne4 17.Nb1 f5 18.f3 Ng5 19.h4 Ne6-/+ 20.Nf5? gf5-+ 21.Bf5 Rc6 22.Qd3 Nf8 23.e6 Bc8 24.h5 Be6 25.Be6 Re6 26.Re6 Ne6 27.Qf5 Nf8 28.Re1 e6 29.Qg4 Qf6 30.Bc1 h6 31.Na3 a6 32.Bf4 Nc6 33.Nc2 b5 34.Ne3 b4 35.Nd5 ed5 36.Re8 bc3 37.Be5 Ne5 38.de5 Qb6 39.Kh2 c2?? 40.Re7=+ Ng6 41.Rg7?? Kg7-+ 42.e6?? Qb8 43.g3 Qe8 44.Qd4 Kg8 45.Qb2 Qc8 46.Qf6 Qe8 47.e7?? c1Q-+ 48.Qe6 Kg7 49.hg6 Qd2 50.Kh3 0–1. Kuncar,P (2115) – Cedikova,K (2260), 2nd Highlands Open A, 2005.

    5.Nf3 Bg7 6.Bc4 d6 (6...b5 7.Bd5 Nc6 8.Na3 b4 9.Nc4 Nf6 10.0-0 Bb7 11.Bg5 0-0 12.Bf6 Bf6 13.e5) 7.0-0 Nf6 8.e5 (8.Nc3 Nc6 9.Ra3 0-0 10.Be3 Ne4 11.Ne4 d5 12.Bd3 de4 13.Be4; 8.Re1 0-0 9.Nc3 Bg4 10.Ra3 Nc6 11.Be2 d5 12.ed5 Nd5 13.Nd5) 8...de5 9.Ne5 (9.de5 Qd1 10.Rd1 Ng4 11.Bf4 Nc6 12.Bb5 0-0 13.Bc6) 9...0-0 10.Ba3 (10.Ra3 Nc6 11.Nc6 bc6 12.Nc3 Nd5 13.Re1) 10...Nc6 11.Nc6 bc6 12.Re1 Re8 (12...Nd5 13.Bc5) 13.Bc5 (13.Nc3+=) 13...a5 (13...Nd7!? 14.Qf3 e6 15.Qc6 Bb7 (15...Nc5?! 16.Qa8 Bd4 17.Ra7=) 16.Qb7 Nc5-/+) 14.Qf3+= Bb7?? (better is 14...Nd5+=) 15.Qb3+- Ba6? (better is 15...Nd7 16.Bf7 Kh8+-) 16.Bf7 Kh8 17.Be8 Ne8 18.c3 (18.Re7 Bf8 19.Re1 Bc5 20.dc5 Nf6+-) 18...Bf6 19.Qa3 Bd3 20.Be7 Be7 21.Qe7 Qe7 22.Re7 a4 23.Na3 Nd6 24.Re6 Rd8 25.f3 Kg7 26.Re7 Kh6 27.Rc7 Bb5 28.h4 Re8 29.g4 g5 30.hg5 Kg5 31.Kf2 Kf4 32.Nb5 cb5 33.Rd7 Re6 34.Rb1 Rh6 35.Rd6! Rd6 36.Rb5 Rf6 37.Ra5 h5 38.Rh5 a3 39.Ra5 a2 40.Ra2 Rh6 41.Kg2 1–0. Oreshko,Mariya (1690) – Priyamvada,Karamcheti (1780), Caldas Novas BRA, World Ch U12 (g), 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    4.Nf3 Nc6

    5.Ba3 e5 6.Bf8 Kf8 7.Bb5 Nge7 8.Nc3 d6 9.Bc4 Ng6 10.0-0 h6 11.Nd5 Be6 12.g3 Kg8=+ 13.Qe2 Kh7 14.Kg2 Rc8 15.Rfb1 Na5 16.d3 Rc5 17.Ba2 Qd7 18.Ne3 Rhc8 19.Be6 fe6 20.Ra3 Rf8 21.c3 b6 22.d4 Rc7 23.h4 ed4 ½–½. Guelker,Lorenz (2225) – Stuempfig,Horst (2380), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    5.Bc4 Nf6 6.Nc3 e6 7.0-0 d5 8.ed5 ed5 9.Bb3 Be7 10.Ba3 Ba3 11.Ra3 0-0 12.d4 Bg4 13.h3 Bf3 14.Qf3 Nd4 15.Qd3 Nb3 16.Rb3 b6 17.Rd1 Re8 18.Nd5 Nd5 19.Qd5 Re1 20.Re1 Qd5 21.Rbe3 g6 22.Re5 Qc6 23.R1e2 a5 24.R5e4 a4 White resigned 0–1. mckenna215 (1925) – bulent_2010 (2675), ChessWorld.net, 2015.

    5.d4 d5 6.ed5 Qd5 7.c4 Qd8 8.d5 Nb8 9.Ba3 Nf6 10.Nc3 g6 11.d6 (11.Qa4!? Nbd7 12.Ra2=) 11...ed6-/+ 12.Nb5 d5 13.Qe2 Be6 14.cd5 Ba3 15.Ra3 Nd5 16.Nbd4 Qe7 17.Ne6 fe6 18.Qe4?? (18.Rb3 0-0-+) 18...Nc6 (better is 18...Qa3 19.Bb5 Nc6 20.0-0-+) 19.Bc4?? (19.Rb3 0-0-+) 19...0-0 (19...Qa3 20.Qe6 Nde7 21.Qf7 Kd7 22.0-0-+) 20.0-0?? (20.Rb3 Rf4 21.Qe2 Rc4 22.Qc4 Na5-+) 20...a6 (better is 20...Rf4 21.Qe2 Rc4 (21...Qa3?! 22.Qe6 Kh8 23.Bd5-+) 22.Ra7 Ra7 23.Qc4 Qb4-+) 21.Rfa1 Rad8 22.Ne5 (better is 22.Rb3-+) 22...Nf4?? (22...Rf4 23.Nc6 Re4 24.Ne7 Ne7 25.Rc3-+) 23.Bf1?? (23.Nc6 bc6 24.Ra6 Qf6=) 23...Qg5?? (better is 23...Qh4 24.Kh1 Ne5 25.Qe5 Qf2-+) 24.Kh1?? Qf5 1–0. Procop,Egor (2060) – Lopatik,Nikita (1980), Budva MNE, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

    5.d4 e6 6.Bd3 a2 7.Ra2 Nf6 8.0-0 Be7 9.Nc3 Nb4 10.Ra1 Nd3 11.Qd3 d6 12.Ba3 0-0 13.Rfe1 b6 14.e5 de5 15.Be7 Qe7 16.de5 Ne8 17.Ne4 f6 18.ef6 Nf6 19.Nd6 Rd8=+ 20.Nf5 Qc7 21.N5d4 Qc5 22.c3 a5 23.Qc2 Rd5 24.Ne6 Be6 25.Re6 b5 26.Re3 a4 27.h3 Re8 28.Re8 Ne8 29.Rb1 Nd6 30.Qe2 h6 31.Qe6 Kh7 32.Re1 1–0. Stuempfig,Horst (2380) – Zur,Jan (1815), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    5.d4 g6 6.Ra3 e6 7.d5? Ba3-/+ 8.Ba3 Nce7 9.Nbd2 f6 10.Nc4-/+ ed5 11.ed5 Kf8 12.Qd2 Kg7 13.Nd6 Nh6 14.Bd3 Nef5 15.Ne4 d6-+ 16.h3 Nf7 17.g4 Re8 18.Bb2 N5h6 19.g5 Ng8 20.Kd1 Kf8 21.gf6 Re4 22.Be4=+ Nf6 23.Bd3 Nh5 24.Rg1 Qe7 25.Qc3 Bh3 26.Ng5 Ng5 27.Qh8 Kf7 28.Qa8 Nf3 29.Qh8 Ng1 30.Qh7 Ke8 31.Bg6 Kd8 32.Qg8+/- Kc7 33.Bh5 Qh4 34.Qg7 Kb8 35.Qg6 Kc7 36.Qg7 Kb8 37.Qf8 Kc7= 38.Qf7 Bd7 39.Kc1 Qc4 40.Qe7 Qf1 41.Bd1 Qf2 42.Bf6 Qf4 43.Kb1 Qb4 ½–½. Trubetskoi,Roland (2340) – Geissler,Walter (2315), WS/MN/021 ICCF, 2007.

    5.d4 g6 6.Bc4 Bg7 (6...b5 7.d5 bc4 8.dc6-/+) 7.c3 (7.Ra3 Na5 8.Bf1 d5 9.Bb5 Nc6 10.ed5 Qd5=) 7...Nh6 (7...Na5 8.Ba2+=) 8.h3 (8.Na3 b6=) 8...0-0 (8...Na5 9.Bd3=) 9.Be3 Kh8 10.Qd2 (10.Ra3 f5 11.Ng5 fe4=) 10...Ng8 (10...Na5 11.Ba2 Qb6 12.Na3+=) 11.Na3 d6 12.0-0 (12.Ng5 e6+=) 12...Nf6 (12...Na5 13.Qa2 Nf6 14.Bf7 Ne4 15.Nb1=) 13.Bd3 (13.Ng5 d5 14.Bd5 Nd5 15.ed5 Qd5+=) 13...d5 (13...Bd7 14.Rfb1 Qc8 15.Qb2+=) 14.e5 Ng8 (14...Ne8 15.Qb2=) 15.Nh2 (15.Nc2 Na5 16.Ra4 f6+=) 15...f6 16.f4 (16.ef6 Bf6 17.Nc2 a5+=) 16...Bf5 (16...a5 17.Rab1=) 17.Bf5= gf5 18.Nf3 (18.Rf3 Na5 19.Ra2 a6=) 18...Na5 19.Qd3 (19.Rfb1 a6+=) 19...e6 20.Rfb1 (20.Nd2 Rf7+=) 20...Rf7 (20...b6 21.Rb2=) 21.Bf2 Ne7 22.Kh1 Ng6 23.g3 a6 24.c4 dc4 25.Nc4 Nc4 26.Qc4 Nf8 27.Rd1 Rc7 28.Qb3 Rd7 29.Be1 b5 30.Bb4 Rd5 31.Rdc1 fe5 32.fe5 Bh6 33.Rc6= Qd7 34.Raa6 Ra6 35.Ra6 Qb7 36.Bf8!? Bf8 37.Re6 Rd4 38.Rf6 Bg7 39.Rf5+/- Qe4 40.Rf4 Qd5 41.Qd5 Rd5 42.e6 Rd8 43.Rb4 Rb8 44.e7 Bf6 45.Rb5 Re8 46.Rf5 Kg7 47.g4 Re7 48.Kg2 Rb7 49.Rc5 Be7 50.Rc6 Bf6 51.g5 Bb2 52.h4 Ba1 53.Kg3 Bb2 54.h5 Ra7 55.Nd2 Be5 56.Kg4 Bb2 57.Ne4 Ba1 58.Nc5 Kf7 59.Ne4 Ra4? 60.Kf4+/- Bb2 61.Rc7 Ke6 62.Rh7+- Be5 63.Kf3 Ra3 64.Ke2 Kf5= 65.Nd2 Kg5 66.Nf3 Kf6 67.Rb7 Ra2 68.Kf1 Ra1 69.Kg2 Ra2 70.Kh3 Ra3 ½–½. Vavruska,Antonin (2155) – Kubos,Rostislav (2175), MOR–chT, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.d4 g6 6.d5 Na5 =.

    4.Nf3 d6

    5.Na3 e6 6.Bb2 Nf6 7.Bb5 Nbd7 8.Nc4 Be7 9.Bf6= gf6 10.Nd4 0-0 11.Ra3 Kh8 12.Qh5 Rg8 13.Qf7 Qf8 14.Qf8 Nf8 15.Nb6 d5 16.Ra4 Rb8 17.Nc8 Rc8 18.ed5 ed5 19.Nf5 Ng6 20.Kd1 Bc5 21.d4 Bb6 22.h4 a6 23.Be2 Rc7 24.Bf3 Rgc8 25.h5 Nf4?? 26.Rh4+- Rc2 27.Rf4 ½–½. Planinec,Albin – Parma,Bruno, Novi Sad, 1965.

    5.Nc3 Nf6 6.Ba3 Nc6 7.d4 e6 8.Bd3 Be7 9.0-0 0-0 10.Qe2 Bd7 11.Rab1 (11.e5 de5 12.Be7 Qe7 13.de5 Nd5=) 11...Qc8+= 12.Nb5 Qb8 13.c4 a6 14.Nc3 Re8 15.Bc2 (15.e5 de5 16.Be7 A) worse is 16...Ne7 17.de5 (worse is 17.Qe5 Bc6-/+; worse is 17.Ne5 Bc6+=) 17...Nh5 18.Ng5+/-; B) 16...Re7 17.de5 Ng4=) 15...Qc7 16.Na4 Rab8 (16...b5!? 17.e5 de5 18.Be7 Re7 (worse is 18...ba4 19.Bf6 gf6 20.de5 Ne5 21.Ne5 fe5 22.Qg4 Kh8 23.Qh4=) 19.de5 Ne5 (19...ba4?! 20.ef6 gf6 21.Qe4=) 20.Ne5 ba4-/+) 17.Nb6= h6 18.Qd3 e5 (18...g6 19.e5 de5 20.de5+/-) 19.Nd5+/- (worse is 19.Nd7 Nd7 20.d5 Na5+=) 19...Qd8? (19...Nd5 20.ed5 e4 21.Qe4 f5=) 20.Ne7+- Ne7 21.Bd6 Bc6 22.Be5 Be4 23.Qe2 Bf3 24.Qf3 (worse is 24.gf3 Nc6 25.Qe3 Nd7-/+) 24...Nc6 25.Bb8 Qb8 26.Rfd1 Qd6 27.c5 (27.Rb7?! Nd4 28.Qd3 Ne2 29.Kh1 Qc6+-) 27...Qe7 28.g3 Nb4?? (28...Rd8 29.Qf4+-) 29.Bb3 (better is 29.Rb4 b5 30.Ra1+-) 29...Rd8 (29...a5 30.Ra1 Qc7 31.Qf5+-) 30.Re1 Qc7 31.Rbd1 b5 32.cb6! Qb6 33.d5 Rd6 34.Re3 Qb5 35.Rc3 Qb7 36.Qf5 g6 37.Qf4 Nbd5? 38.Qd6 Nc3 39.Qf6 Nd1 40.Qg6 Kf8 41.Qh6 Ke7 42.Qg5 Kf8 43.Qd8 Kg7 44.Qd4 f6 45.Qg4 Kh6 46.Qd1 1–0. Hartnack – Castaldo Arcanselo, corr, 1992. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.d4 e6 6.Bd3 Nc6 7.0-0 Be7 8.d5 Ne5 9.Ne5 de5 10.Na3 ed5 11.ed5 f5 (11...Nf6 12.Re1=+) 12.Bb5 (12.Nb5 e4 13.d6 Bf6 14.Nc7 Kf8+-) 12...Kf8 (better 12...Bd7!?=) 13.Nc4+- e4 (13...a6 14.Ne5 Nf6+-) 14.d6 (better 14.Be3!? Bd6 15.Ba7+- (15.Ra7?! Ra7 16.Ba7 Nf6+-; worse 15.Nd6 Qd6 16.Ba7 Kf7+-)) 14...Bf6= 15.d7 (better 15.Ra4 Be6 16.Be3=) 15...Ba1?? (15...Bd7 16.Ba3 Ne7 17.Qd7 Qd7 18.Bd7 Ba1 19.Ra1 g6+-) 16.Ba3+- Ne7 (16...Kf7 17.Qa1 Bd7 18.Ne5 Kf6 19.Nd7 Kg6 20.Ne5 Kf6 21.Nc6 Kg6 22.Nd8 Rd8+-) 17.Be7 (17.dc8B?! Qd1 18.Rd1 Rc8 19.Ra1 a6+=; 17.dc8R Qc8 18.Qa1 Qe6+-) 17...Ke7 (17...Qe7 18.d8Q Qd8 19.Qd8 Kf7 20.Qh8 Bc3 21.Qe8 Kf6 22.Qd8 Ke6 23.Be8 f4 24.Qd6 Kf5 25.Ne3 Kg5 26.h4 Kh4 27.Qf4 Bg4 28.Qg4) 18.Qd6 (18.dc8N?! Rc8 19.Qa1 Kf8+-; 18.dc8Q Rc8 19.Qa1 Kf8+-) 18...Kf7 19.Ra1 (19.Ne5 Be5 20.Bc4) 19...g6? (19...Rf8 20.Ne5 Kg8 21.Bc4 Rf7 22.Bf7 Kh8 23.Ng6 hg6 24.Qg3 Qg5 25.Qg5 Bd7 26.Qh4) 20.Qe5 (20.dc8R?! Rc8 (20...Qc8?? 21.Ne5 Kg7 22.Qe7 Kh6 23.Ra3+-) 21.Qe5 Qf6 22.Nd6 Kg7 23.Qf6 Kf6 24.Nc8 Rc8 25.Ra7 Rc2 26.Rb7 Rc1 27.Bf1 f4+-) 20...g5 (20...Bd7 21.Nd6 Kf8 22.Nb7 Qe8 23.Qh8 Ke7 24.Qh7 Qf7 25.Qf7 Kf7 26.Bd7 Ke7+-) 21.Nd6 Kg6 22.Qf5 (22.Qf5 Kh6 23.Qe6 Qf6 24.Qf6 Kh5 25.Be2 g4 26.Ra5 b5 27.Rb5) 1–0. Krasnokutskaya,Sofiya (1905) – Ischenko,Iryna (1700), Ukraine Chess Championship G16, 2016.

    5.d4 Nf6 6.Nc3 e6 7.Bd3 Be7 8.0-0 Nc6 9.Ba3 0-0 10.Qe2 e5 11.d5 Na5 12.Nd2 (12.Bb4 b6=) 12...b6+= 13.Ra2 Bd7 14.Rfa1 Qb8 (14...Nb7 15.Ba6 Qb8 16.Qf3+=) 15.h3 Rc8 16.Nd1 Ne8 (16...Nb7 17.Ba6 Rc7 18.Bb5+=) 17.Ne3 Bg5 18.Rf1 Nb7 19.Nf3 Be3 20.Qe3 Nc5 21.Nh2 Nd3 22.cd3 a5 23.f4 b5 24.fe5 de5 25.Raf2 f6 26.Bb2 (26.Bc5 Nd6-/+) 26...a4-+ 27.Qg3 a3 (better is 27...Qb6!? 28.d4 Nd6-/+) 28.Be5+= Qb6 (28...Qe5?? 29.Qe5 Rcb8 30.Qe7+-) 29.Kh1 b4 30.Nf3 (better is 30.Ng4 Bg4 31.Qg4-/+) 30...b3-+ (30...fe5 31.Ne5 Nd6 32.Nd7+=) 31.Bd4 Qb8 32.e5 (32.Kh2 b2 33.Bb2 ab2-+) 32...b2 33.Kh2 Rc1 34.Nd2 (34.ef6 Nf6! 35.Be5 Rf1 36.Rf1 a2 37.Bb8 b1Q 38.Rb1 ab1Q-+) 34...Rf1 35.Rf1 a2 36.ef6 Nf6! 37.d6 Ng4 38.hg4+/- a1Q?? 39.Qe5+- Qf8 40.Rf8 Kf8 1–0. Hug,Werner (2435) – Baramidze,David (2590), Biel MTO op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.d4 Nf6 6.Nc3 g6 7.Ba3 Bg7 8.Bd3 Nbd7 9.0-0 0-0 10.e5 Ne8 11.Re1 de5?? 12.Ne5?? Ne5=+ 13.de5 a6 14.Qf3 Be6 15.Qb7+/- Rc8? 16.Be7+- Rc7 17.Bd8 Rb7 18.Ba6 Rb8? 19.Be7 1–0. gbsr (1885) – gregorgysi (2105), net–chess.com, 2009.

    4.Nf3 g6

    5.Na3 b6 +=.

    5.Na3 d6 6.d4 Bg7 7.Bd3 Nf6 8.0-0 0-0 9.c3 Bg4 10.Be3 Nc6 11.c4 (11.h3 Bd7=) 11...a6 (11...Nb4 12.Bb1+=) 12.Nc2 (12.h3 Bd7=) 12...Rc8 13.h3 Bf3 14.gf3 (14.Qf3!? Qc7 15.Rfb1=) 14...Nh5 15.f4 e5 16.fe5 de5 17.d5 Nd4 18.Nd4 ed4 19.Bd2 Qh4 20.Qg4 Bf6 (better is 20...Qg4!? 21.hg4 Nf6=) 21.f4 (21.Rfb1 Rb8+/-) 21...Rfe8 (21...Qg3!? 22.Qg3 Ng3+/-) 22.e5+- Be7 (22...Qg4 23.hg4 Nf4 24.Bf4 Be5 25.Be5 Re5 26.Rf4+-) 23.Kg2 (23.d6 Qg3 24.Qg3 Ng3+-) 23...Ng7 (23...f5 24.Qh4 Bh4 25.Rfb1+/-) 24.Qh4 (24.d6!? Qg4 25.hg4 Rc6+-) 24...Bh4+/- 25.Rfb1 Rb8 26.Rb3 Rec8 (26...Nh5!?+/-) 27.Rab1+- Rc7 28.d6 (28.Rb6 Nf5+-) 28...Rd7+/- 29.c5 Ne6?? (better is 29...Rc8+/-) 30.c6!+- 1–0. Humeau,Cyril (2200) – Ferreira,Antonio Viriato (1870), Bastia CC Winter op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.Bc4 Bg7 6.Ra3 Nc6 7.0-0 (7.d4 f5 8.e5 d6=) 7...d6 (7...Nf6 8.e5 Nh5 9.d4=+) 8.d4 Nf6 9.Qe2 Bg4 10.Bb2 (10.c3 e6=+) 10...0-0 11.Nbd2 d5 12.ed5 Nd5 13.h3 Be6 14.Ba2 (14.Bd5 Bd5 15.c4 Bf3 16.Nf3 Qb6=+ (worse 16...Bd4 17.Nd4 Nd4 18.Qe5+/-)) 14...Nc7 (14...Bd4!? 15.Nd4 Nf4-/+) 15.c4=+ Nb4 (15...Bf5 16.Bb1=+) 16.Bb1= a5 17.Ne4 (17.Bc3 Qd6=) 17...Bf5=+ 18.g4 (18.Nc5 Bb1 19.Rb1 b6=+) 18...Be4 (18...Bc8 19.Nc5-/+) 19.Be4=+ Ne6 20.Qe3 (20.Bb7!? Rb8 21.Be4=) 20...Qc7-/+ 21.Rc1 Rad8 (21...Rfd8 22.g5-/+) 22.Ba1 b6 23.d5 (23.g5 Rd6=+) 23...Nc5 24.Bg7 Kg7 25.Bb1 (25.Rd1!?-/+) 25...e6-+ 26.Qc3 (26.de6 Rfe8-+) 26...Kg8 27.Qe3 (27.de6 Ne6 28.Qe5-+) 27...ed5 28.Qh6 (28.cd5 Nd5 29.Qe2 Nf4-+) 28...d4 (28...dc4 29.Kg2 Ne6 30.Ng5 Ng5 31.Qg5-+) 29.Nh4 (29.Ng5 f6 30.Ne4 Ne6-+) 29...d3 30.Nf5 (30.Rd1 Nc2 31.Bc2 dc2-+) 30...Ne6 (30...gf5?! 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5 Kh8 34.Qf6 Kg8 35.Qg5=) 31.Ne3 Qf4 32.Qf4 Nf4 33.Kh2 Rc8 (33...Rfe8 34.Rd1-+) 34.Rd1 Rfd8 35.g5 (35.Kg3 Rd4-+) 35...Rd4 36.Rd2 Ne6 37.Nd5 Rcc4 38.Nb6 (38.Nb4 Rb4 39.Rad3 Rd3 (worse 39...Rb1 40.Rd4 Nd4 41.Rd4-+) 40.Bd3 Rd4-+) 38…Rc6 0-1. Hug,Werner (2450) - Anand,Viswanathan (2785), Zurich Champions Rapid, 2009. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 ba3 4.Nf3)

    5.Bc4 Bg7 6.Ra3 d6 7.h4 (7.d4 Nf6 8.Nbd2 0-0=+) 7...Nf6-/+ 8.Ng5 e6 9.h5 (9.Bb2 0-0-/+) 9...h6 10.Nf7 (better 10.Nf3!? Nh5 11.d4-/+) 10...Kf7-+ 11.hg6 Ke8 (11...Kg6 12.Rg3 Kf7 13.Nc3-+) 12.Bb2 Nc6 13.f4 White plans e5 13...Qe7 14.e5 (14.Qe2-+) 14...de5 15.fe5 (15.Be5 Ne5 16.fe5 Nd7-+) 15...Nd5 (15...Nd7 16.Bb5-+) 16.Rf3 (16.Qe2 Qg5 17.d4 Nf4-+) 16...Be5 17.Be5 Ne5 18.Bb5 Bd7 19.Bd7 Kd7 20.Rb3 b6 21.d4 Ng6 22.c4 Nc7 23.0-0 Raf8 24.Rg3 Rf1 25.Kf1 Rf8 26.Kg1 Nf4 27.Nc3 Kc8 28.Ne4 Qd7 29.Kh2 Rd8 (better 29...e5 30.d5-+) 30.Qf3 Qf7 (30...Ng2!? 31.Qg2 Qd4 32.Rg4-+) 31.Rg4 Qh5 32.Kg3? (32.Kg1 Rd4 33.Qf4 Ne8-+) 32...Ng6 (better 32...e5 33.Nf6 Qh1 34.de5 Nh5 35.Nh5 Qh5 36.Re4 Qg5 37.Kh2-+) 33.Nf6 Qf5 34.Qf5 ef5 35.Rg6 Rd4 36.c5 (36.Rh6 Rc4 37.Nh5 Nd5-+) 36...bc5 37.Rh6 c4 38.Rh8 (38.Rh5 f4 39.Kf3 Ne6-+) 38...Kb7 39.Kf2 (39.Rh5 f4 40.Kf3-+) 39...c3 40.Rh1 a5 (40...Rd2!? 41.Ke3 Rg2 42.Kf4 Rf2 43.Ke3-+) 41.Rc1 Nb5 42.Ke3 Rd6 43.Nh5 Kc6 (43...Rg6 44.Nf4 Rg4 45.Ra1-+) 44.Ng3 Kc5 (44...Rd5 45.Ne2 Rc5 46.Kd3-+) 45.Nf5 Rg6 46.Kf3 (46.Ra1-+) 46...Nd4 47.Nd4 Kd4 48.g4 Kd3 49.Rd1 Kc4 (better 49...Kc2 50.Rd8 Rb6-+) 50.Ra1 (50.Rd8-+) 50...c2 51.Kf4 (51.Ke3 Kc3 52.Kf4 Kb2-+) 51...Kb3 52.Kf5 Rg8 53.g5 Kb2 54.Ra5 (54.Rg1-+) 54...c1Q 55.g6 Qc2 (55...Rf8 56.Ke6 Qc6 57.Ke5 Qf6 58.Kd5 Rd8 59.Ke4 Rd4 60.Ke3 Qf4 61.Ke2 Rd2 62.Ke1 Qf2) 56.Kf4 Qd2 57.Kf3 (57.Ke4 Qb4 58.Kf3 Rf8 59.Ke3 Qf4 60.Kd3 Rd8 61.Rd5 Rd5 62.Ke2 Rd2 63.Ke1 Qf2) 0-1. Shirazi,K (2350) - Moussard,J (2575), Clichy Rapid, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3)

    5.Bc4 Bg7 6.c3 Nc6 7.0-0 d6 8.Qb3 Nh6 9.d4 0-0 10.Qa3 Kh8 11.Qa2 f5 12.Ng5 fe4 13.Be6 Qe8 14.Bc8 (14.Re1 b5=) 14...Rc8 (14...Qc8 15.Re1+=) 15.Ne6 Qf7 (better is 15...Rf5!? 16.d5 Nd8 17.Ng7 Kg7 18.Bh6 Kh6 19.Qd2 g5+=) 16.Nf8+/- Rf8 17.Qf7 Rf7 (better is 17...Nf7!? 18.d5 Nb4+/-) 18.d5+- Ne5 19.Ra7 Nd3 20.Nd2?? (better is 20.Rb7 Nf5 21.Be3+-) 20...e3= 21.fe3 (21.Rb7? e2 (21...ed2?! 22.Rb8 Rf8 23.Rf8 Bf8 24.Bd2=; 21...ef2?! 22.Kh1-/+; 21...Nc1?! 22.fe3 Ne2 23.Kh1 Rf1 24.Nf1-/+) 22.Rb1 Ng4 23.Rb8 Rf8 24.Rf8 Bf8-+) 21...Rf1 22.Kf1 ½–½. Suhail,Abdurahim (2240) – Suhail,T, President's Cup, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3 g6)

    5.d4 Bg7 6.Ra3 d6 7.Bc4 Nf6 8.Nbd2 0-0 9.0-0 d5 10.ed5 Nd5 11.Ne4 Nc6 12.c3 h6 13.Re1 e6 14.Nc5 b6 15.Nd3 Bb7 16.Nf4 Na5 17.Bf1 Qc7 18.Nd5 Bd5 19.Ne5 Nc4 20.Bc4 Bc4 21.Bf4 Qc8 22.Qd2 Kh7 23.Ng4 h5 24.Ne5 Bd5 25.Re3 Qb7 26.Rg3 Be4 (26...Rfc8 27.Qd3-/+) 27.Nc4 Rad8 28.Nd6 (28.Qe2!? Bd5 29.Ne3+=) 28...Qe7-/+ 29.Nb5 Rd7 30.Ra1 Bc6 31.Qe2 a5 32.Bg5 Bf6 33.Bc1 (33.Bf6!? Qf6 34.Na3+=) 33...Rc8 34.Ba3 Qd8 35.Rb1 Rd5 (35...e5!? 36.Bb2-+ (worse is 36.de5 Be5 37.Re3 Bf4-+)) 36.Na7-/+ Rc7 37.Nc6 Rc6 38.Qf3 (38.Bb2 Qc7-/+) 38...Rc7 (38...e5 39.Bb2-+) 39.Qe4 Rg5 (39...h4 40.Rf3-/+) 40.Rf3 Rf5 41.Rf5 ef5 42.Qe2? (better is 42.Qe3+=) 42...Rc3-+ 43.Qb2?? (better is 43.Bb2 Rc7 44.Qd2-+) 43...Qd4 44.g3 Rd3 (44...Rd3 45.Qd4 Bd4-+ (45...Rd4?! 46.Rb6 Kg7 47.Bb2 Rd1 48.Kg2 Bb2 49.Rb2-+)) 0–1. Klimov,Valery (1920) – Koroljkov,Evgeny (2110), Novosibirsk April op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    5.Be2 d6!? -/+.

    5.Be2 Bg7 6.Ra3 d6 7.0-0 (7.d4 a6+=) 7...Nf6 (7...Bd7 8.c3+=) 8.Bb2 (8.d3 b5-/+) 8...0-0 (8...a5 9.Ba1-/+) 9.d3 (9.Bf6 ef6 10.d4 a5-/+) 9...Nc6 (9...b5 10.Rb3 a6 11.c4+=) 10.Nc3 (10.h3 Qb6 11.Rb3 Qc7-/+) 10...a6 (10...Bg4 11.Nd2 Bd7 12.Rb3-/+) 11.Qa1 (11.h3 e5-/+) 11...e5 (11...Be6 12.Ng5-/+) 12.h3 (12.Bc1 Nd4 13.Qb1 Qc7-/+) 12...Rb8 13.Bc1 b5 14.Rb3 (14.Nd1 d5 15.Ne5 Ne5 16.Qe5 Bb7-/+) 14...Be6 (14...b4 15.Na4-/+) 15.Rb1 Qc8 16.Bd2 b4 (16...Nh5 17.Ng5 Nf4 18.Ne6 Ne6 19.Bg4+=) 17.Nd1 (17.Na4 Bh3 18.gh3 Qh3-/+) 17...d5 (17...a5 18.Be3-/+) 18.Ne5 (better is 18.Be3!?-/+) 18...Ne5-+ 19.Bb4 (19.Qe5 Ne4 20.Qf4 Qc2 21.Bb4 Qe2 (21...Qb1?! 22.Bf8 Ng3 23.Qg3 Rf8 24.Ne3-/+) 22.de4 Qe4 23.Qe4 de4-+) 19...Rb4! (19...Qc2?! 20.Rb2 Qc6 21.Bf8 Rf8 22.Ne3-/+) 20.Rb4 (20.Rb4 Qc5) 20...Nc6 21.Ra4 Ne4 22.Qc1 (22.c3 Nc5 23.Ra3 d4-+) 22...Nc5 23.Ra3 (23.Ra2 Nd4 24.Re1 Bh3-+) 23...Nd4 24.Nc3 Ncb3 25.Qd1 (25.cb3 Qc3!! Decoy: c3 26.Ra2 (26.Qc3?? Ne2 27.Kh1 Bc3-+) 26...Qb3 27.Qb1-+) 25...Qc3 26.cb3 Qb2 (26...Qb2 27.Ra6 Ne2 28.Kh1 Rb8-+) 0–1. Malezkey,Vladimir (2045) – Mikhel,Vladislav (2280), RUS–ch sf Novosibirsk, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

    3.a3 Qa5

    4.Bb2 ba3 5.Ba3 Qe5 (5...e6!?=) 6.Nc3+= Nf6 (6...Nc6!?+=) 7.Nf3+- Qc7 (7...Qh5 8.e5 Ng4 9.d4+-) 8.e5 Ng4 9.Qe2 (better 9.Nd5!? Qd8 10.Nd4+-) 9...Nc6+= e5 draws heavy fire 10.Nd5 Qb8 11.d4 e6 12.Bf8 Kf8 13.Nc3 d6 14.h3 Nd4? (better 14...Nh6+=) 15.Nd4+- Ne5 16.Qe3 a6 17.Be2 Qc7 (17...Ng6 18.Nf3+-) 18.0-0 Bd7 19.Rfb1 (19.Ne4 Kg8 20.Ra3 d5+-) 19...Rc8 20.Ne4 d5 (20...Nc6 21.Bh5 Be8 22.c3+-) 21.Ng5 (better 21.Qa3!? Kg8 22.Nd6 Rb8+-) 21...h6 22.Ngf3 Nc4? (better 22...f6+-) 23.Bc4 Qc4 (23...dc4 24.Qe4 Rb8 25.Ra3+-) 24.Ne5 (better 24.Rb7 Rc7 25.Rb8 Bc8 26.Ne5+-) 24...Qc7 25.Qf4 (25.Rb3 Kg8+-) 25...Bc6 (25...f6 26.Nd7 Qd7+-) 26.Ne6 (26.Ne6 Kg8 27.Nc7 Rc7 28.Nc6 Rc6 29.Rb7+-) 1–0. Martinez,Julian (2275) – Valdeblanquez,Jeiner Jair (1930), IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

    4.Bb2 Qa4 5.c3 Qd1-/+ 6.Kd1 ba3 7.Na3=+ a6 8.Nf3 b5 9.d4 Bb7-/+ 10.Bd3 Nf6 11.Ke2 Nh5 12.c4 b4 13.Nc2 b3 14.Nb4? e6-+ 15.d5? ed5 16.cd5?? a5 17.Bb5 Nf4 18.Kf1 Bb4 19.Bg7 Rg8 20.Be5 Ng2 21.Rg1 Rf8 22.Rg2-/+ f6 23.Bd6?? Bd6-+ 24.Rg7 Bb4 25.Rh7 Ba6 26.Ba6 Ra6 27.Nd4 Bc3 28.Rd1 Rf7 29.Rh8= Rf8 30.Rf8?? Kf8-+ 31.Nb3 a4 32.Nc5 Ra7 33.Rd3 Be5 34.h4 d6 35.Ne6 Ke8 36.f4=+ Bb2 37.Rd2 Bc1 38.Ra2?? Nd7-/+ 39.h5 Nb6 40.h6 Kf7?? 41.h7 Ra8 42.Rh2 Rh8-+ 43.Kf2 Kg6?? 44.f5 Kf7-/+ 45.Kf3 a3 46.Kg4?? Nc4 47.Nf4 Ne3 48.Kf3 Nf1 49.Ra2?? Nd2 50.Kg4 Rh7 51.Nd3 Nb3 52.Nc1-/+ Nc1 53.Ra3 Rg7 54.Kf3 Rg1 55.Ra7 Kf8 56.Rd7 Rf1 57.Ke3 Ke8 58.Rd6= Ke7 59.Rc6 Nb3 60.Ra6? Nc5 61.Ra7 Kd6 62.Kd4?? Nb3 (62...Nb3 63.Kc4 Nd2 64.Kd3 Ne4 65.Ke4 Re1 66.Kd4 Rd1 67.Ke3 Ke5=) 0–1. burrango (1970) – zeca (1795), net–chess.com, 2010.

    4.Bb2 d6 5.ab4? Qb4-+ 6.Ba3 Qe4 7.Ne2 Nf6 8.Nbc3 Qg6 9.g3 Bd7 10.Bg2 Bc6 11.0-0 e6 12.Bc6 Nc6 13.Rb1 b6 14.Nf4 Qf5 15.Qf3 Rc8 16.Kg2 Be7 17.Rb5 Qc2 18.Rc1-/+ Qd2 19.Nb1 Qa2 20.Rc6= 0-0 21.Bd6 Bd6 22.Rd6= Rc1 23.Qb3?? Qa6?? 24.Nd3 Rc7 25.Rd4 Nd5 26.Nf4 Nf6 27.Nd2 Rfc8 28.Rc4 Rc4 29.Nc4 Ne4 30.f3 Nc5 31.Qb1 Na4 32.Qb4 Nc3=+ 33.Nd6 Rd8?? 34.Re5?? Na2 35.Qe4+= Nc3 36.Qb7?? Qa2?? 37.Kh3+- Rf8 38.Qc6 Qa1? 39.Qc4?? Nd1+/- 40.Re2 Nb2? 41.Qd4+- Qf1 42.Kg4 e5?? 43.Qe5+- Na4 44.Nh5 (44.Nh5 f5 45.Nf5 Qa1 46.Qa1 Rf6 47.Nf6 gf6 48.Qf6 h5 49.Kh5 a5 50.Qg7) 1–0. rthurc (2250) – gstevenson (2235), net–chess.com, 2009.

    4.Bb2 e6 5.ab4 Qb4-/+ 6.Bc3 Qb6 7.d4 Bb4 8.Nf3 Bc3 9.Nc3= Qb4 10.Qd2+= Nc6 11.Nb5 Qd2 12.Kd2+/- Kd8 13.Nd6 Nh6= 14.d5 Ke7 15.Nc8+/- Rhc8 16.dc6 dc6 17.h3 f6 18.Ke3 Nf7 19.Bd3+- a5 20.Rhb1 b5+/- 21.Rb2 e5+- 22.Rba2 a4+= 23.c4 Nd6 24.cb5 cb5= 25.Rb1 Rc3 26.Kd2 Rc5 27.Ne1 b4?? 28.Rab2?? b3 =+. giveaway (2400) – lopesq (2340), net–chess.com, 2008.

    4.c3 bc3 5.Nc3 Nc6 6.Nf3 Nf6 7.Nb5? (7.Rb1 a6=+) 7...a6 (7...Ne4!? 8.Bb2 d5-+) 8.Nc3-/+ e6 (8...e5 9.Qb3 Bc5 10.Bc4-/+) 9.Bb2 Be7 (9...d5 10.e5 Nd7 11.d4-/+) 10.Bd3 0-0 (10...d5 11.e5 Ng4 12.Qa4 Qa4 13.Na4-/+) 11.0-0 b5 (11...d5 12.e5 Nd7 13.Ne2-/+) 12.e5 Ng4 13.Ne4 Qc7 Pawn e5, live or die! (better 13...Bb7=+) 14.Nd6? (14.Qc2 f5 15.ef6 gf6=+) 14...Bd6 (14...Nge5!? 15.Ne5 Qd6 16.Be4-+) 15.ed6-/+ Qd6 16.Bh7 Kh8 (16...Kh7 17.Ng5 Kg8 18.Qg4-/+) 17.h3 (17.Be4 Bb7 18.h3 Nh6=+) 17...Nf6 (17...Kh7 18.Ng5 Kg8 19.Qg4-/+) 18.Bb1 Qe7 (18...Qf4=+) 19.g4 (19.Qc2 g6+=) 19...e5 (better 19...Nd5!?-/+) 20.Re1= d6 21.d4 (21.Qc2 Qd7 22.g5 Qh3 23.Qc6 Bd7-+) 21...e4 (21...Bb7!?=) 22.d5+= Ne5 23.Ne5 de5 24.Bc1 (24.d6!? Qe6 25.g5 Qh3 26.Re3 (26.gf6 gf6 27.Re3 Rg8 28.Rg3 Rg3 29.fg3 Qg3 30.Kf1 Bh3 31.Ke2 Bg4 32.Kd2 Qf4 33.Kc2 Bd1 34.Kd1 Qf1 35.Kd2 Qf2 36.Kc3 Qd4 37.Kc2 Rc8 38.Bc3 Rc3 39.Kb2 Qd2 40.Bc2 Qc2; 26.Be5 Bg4 27.Ba2 Bf3 28.Qf3 ef3 29.Bf6 Qg2) 26...Qg4 27.Qg4 Ng4 28.Rh3 Kg8 29.Be4+=) 24...Qd6 Attacks the isolani on d5 (24...Bb7 25.Bg5=+ (worse 25.Be4 Ne4 26.Re4 Rfd8-/+)) 25.g5= Qd5 (25...Nd7 26.Bd2 Qg6 (26...Qd5?? 27.Be4 Qe4 28.Re4+-) 27.Re4 f5 28.Rh4 Kg8=) 26.gf6 (26.Qe2 Qc4 27.Qc4 bc4 28.gf6 gf6 29.Re4 Kg7 30.Rc4 Bh3+-) 26...Qd1+- 27.fg7 (27.fg7 Kg7 28.Rd1 Bh3 29.Be4+-) 1–0. Fusari,Paolo (1905) – Nicosia,Federico (1800), 7th Florence op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

    4.d4 e5 5.d5 f5 6.Bd2 (6.ef5 Nf6+=) 6...Nf6-/+ 7.Bd3 (better is 7.ef5!? Qd5 8.Qe2-/+) 7...fe4-+ (worse is 7...Ne4 8.Be4 fe4 9.Qh5 Kd8 10.Qe5+=) 8.Be4? (better is 8.Bc4-+) 8...Ne4 9.Qh5 Kd8 10.Qe5 Bd6 11.Qe4 Re8 12.Bg5 Be7 13.Be7 Re7 14.Qe7 Ke7 15.d6 Kd6 16.Ne2 Qe5 17.c3 b6 18.ab4 Bb7 19.Nd2 Ba6 20.Ra6 Kc7 21.Ra2? Nc6 22.Nf3-/+ Qe6 23.Rd2 a5 24.b5 Ne5 25.Nfd4 Qh6 26.Nf5 Qg5 27.Ne3-/+ Qg6 28.c4 Qb1 29.Rd1 Qb4 30.Kf1 Kb7 31.f4 Rf8 32.g3 Nc4-+ 33.Rd7 Kb8 34.Kf2?? Ne3 35.Ke3 Re8 36.Kf2 Qb5 37.Rd2 Qc5 38.Nd4 Kb7 39.Rhd1 Rd8 40.Ke1 a4 41.Ne6 Qe3 (41...Qe3 42.Kf1 Rd2 (42...Qe6?! 43.Rd8 Kc7 44.R8d4-+) 43.Rd2 Qd2-+) 0–1. Henrio,Patrice (1690) – Nemety,Laszlo (2150), Pays de Loire–chT, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 Qa5)

    4.Nf3 e6 5.d4 Nf6 6.e5 Ne4=+ 7.Bd3 ba3 8.Nbd2 Nc3 9.Nc4 Nd1 10.Na5 Nb2 11.Be2 b6 12.Nb3 Ba6 13.Nfd2 Be2 14.Ke2 d5 15.ed6 Bd6 16.Ra2 Nc6 17.Bb2 ab2 18.Rb2 Bb4 19.Kd3 Bd2 20.Nd2-/+ 0-0-0 21.c3 e5 22.Nf3 ed4 23.cd4 Rd5 24.Rc1 Kb7 25.Rc4 Rhd8 26.Rbc2 R8d6 27.Ke4 f5 28.Ke3 b5 29.Rc5 Nd4 30.Nd4-/+ Rd4 31.Rb5= Ka6 32.Rf5 R4d5 33.Ra2 Kb6 34.Rb2 Kc6 35.Rc2 Kb6 36.Rb2 Kc6 37.Rc2 Kb5 38.Rd5 Rd5 39.Rc7 Rg5 40.Ra7 Rg2 41.Rf7 Kc6 42.Kf3 Rg6 43.Ke2 Kd5 44.Rf3 Rh6 45.h3 g5 46.Kf1 Ke4 47.Kg2 ½–½. De Wit,William – Bertholee,Rob (2355), Haarlem op (2), 1996.

    4.Bb2 Nc6

    5.Bc4 Nf6 6.Qe2 e6 7.e5 Nd5 8.Nh3 h6 9.0-0 Bc5 10.Qg4 Bf8 11.Qe2 ba3 12.Na3 Qb6 (12...Qb4 13.Rfb1 Nc7 14.Bc3=) 13.Rfb1 Qc5 14.Nb5 Kd8 (14...Nb6 15.Nc7 Kd8 16.Na8 Nc4 17.d4+/-) 15.Ba3 Ndb4 16.Rb4! Nb4 (16...Qe5!? 17.Rbb1 Qe2 18.Be2 d5+/-) 17.c3+- (17.c3 Qb6 18.Bb4 (18.cb4?! a6 19.Nc3 Qd4+/-) 18...Bb4 19.cb4+-) 1–0. Neumann,Ulrich – Cherner,Lyle, IECG, 2000. (=1.e4 c5 2.b4 cb4+= 3.a3 Qa5 4.Bb2 Nc6)

    5.e5 Qb6 A) 6.Bc4 f6 (6...ba3 7.Bc3 e6 8.Nf3 d5 9.ed6 Nf6 10.Na3 Bd6 11.Bf6 gf6+=) 7.Nf3 ba3 8.ef6 Nf6 9.Bf6 gf6 10.Na3 e6 11.0-0 d5-/+; B) 6.Nf3 d5 (6...d6 7.ed6 ed6 8.Bc4 Nge7 9.Bb3 Be6 10.0-0 ba3 11.Na3 a5=) 7.ed6 ed6 8.Bc4 Nge7 9.0-0 ba3 10.Ba3 d5 11.Bb3 Be6=.

    5.e5 d5 6.Nf3 Nh6 (6...Bg4 7.h3 Bf3 8.Qf3 e6 9.Be2 d4 10.Qf4 Rd8 11.ab4 Qb4-/+) 7.Be2 Bf5 8.Nd4 e6 9.Bb5 Qc7 10.Nf5 Nf5 11.0-0 ba3 -/+.

    5.e5 d6 A) 6.f4 de5 (6...Bf5 7.ed6 ed6 8.Nf3 Nge7 9.Bc4 d5 10.Bb3 Ng6 11.0-0 Qb6-/+) 7.fe5 Bf5 8.Nf3 e6 9.Be2 Nge7 10.ab4 Qb4 11.Bc3 Qb6-/+; B) 6.ed6 e5 7.ab4 Qb4 8.Nc3 Qd6 9.Nf3 Nf6 10.Nb5 Qe7 11.Bc4 Bg4+=.

    5.Nf3 d5 6.ed5 Qd5 7.ab4 Nb4 8.Be2 Bf5 9.Nc3 Qc5 10.d3 Nf6 11.0-0 e6 +=.

    5.Nf3 d6 A) 6.d4 d5 (6...Nf6 7.d5 Ne5 8.Nbd2 ba3 9.Ra3 Qc5 10.Ne5 de5 11.Rb3 Qc7=) 7.ed5 Qd5 8.ab4 Qe4 9.Qe2 Qe2 10.Be2 Nb4 11.Na3 Bf5+=; B) 6.c4 e5 (6...bc3 7.Nc3 Nf6 8.Rc1 d5 9.ed5 Nd5 10.Nd5 Qd5 11.Bc4 Qe4+=) 7.ab4 Qb4 8.Ba3 Qb6 9.Nc3 Nf6 10.Be2 Nd4 11.Nd4 Qd4+=; C) 6.Bc4 Nf6 (6...e6 7.Qe2 Nf6 8.ab4 Qb4 9.Bc3 Qb6 10.d4 Qc7 11.0-0 Be7=) 7.Qe2 Bg4 8.Bb5 a6 9.ab4 Qb4 10.Bf6 gf6 11.Nc3 Qc5=.

    5.Nf3 e5 6.Bc4 Nf6 (6...Qc7 7.Qe2 Be7 8.ab4 Bb4 9.Nc3 Bc3 10.Bc3 Nf6 11.0-0 d6+=) 7.Ng5 Nd8 8.Qe2 d6 9.f4 Bg4 10.Qd3 ef4 11.Bf6 gf6 +=.

    5.Nf3 Nf6 6.Bd3 e6 7.0-0 ba3 8.Na3 Bc5 9.Nc4 Qd8 10.e5 Nd5 11.Ba3 Ndb4 12.Be4 0-0 13.d4 Be7 14.c3 Nd5 15.Be7 Qe7 16.Bd5 ed5 17.Nb6 Rb8 18.Nd5 Qe6 19.Ne3 d5 20.c4! Ne7 21.cd5 Nd5 22.Ra7 b5 23.Ng5 Qc6 24.Qh5 h6 25.Rf7 Be6 26.Qg6 Rf7+/- 27.Nf7 Nf4 28.Nh6+- Kh8 1–0. Feduk,Ir (1805) – Ivanenko,O2 (2065), ch–UKR g18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

    5.Nf3 Nf6 6.Bd3 e6 7.0-0 Qh5 8.h3 (8.e5 Nd5 9.Be4 Nf4 10.h3 f5 11.ef6 gf6+= –0.63) 8...a6 (8...d6 9.Re1 Be7 10.ab4 Nb4 11.Be2 Ne4+= –0.66) 9.Qe2 (9.e5 Nd5 10.Be4 b5 11.Re1 ba3+= –0.34) 9...Be7 (9...d6 10.ab4 Nb4 11.Bb5 Bd7+= –0.47) 10.ab4 (10.e5 Nd5 11.Be4 0-0+= –0.44) 10...Nb4 11.Na3 (11.Bf6 Bf6+= –0.47) 11...Nd3 12.Qd3 d5 13.ed5 Qd5 14.Qd5 Nd5 15.Bg7 Rg8 16.Be5 f6 17.Bg3 e5 18.Rfe1 Kf7 19.Nc4 b5 20.Na5 Nb4 21.Rec1 Bf5 22.c4 Nd3 23.Rc3 Bb4 24.Rb3 Rac8 25.cb5 ab5 26.Nb7 Ra8 27.Rab1 Ra4 28.Ne1? Ne1-+ 29.Re1? Rb8 30.Be5 Rb7 31.Rf3 fe5 32.Rf5 Kg6 33.Rfe5 Bd2 34.Rb1 b4 35.Rd5 Bc3 36.Rc5 Ra1 37.Ra1 Ba1 38.Rc1 Bf6 39.Kf1 b3 40.Ke2 b2 41.Rb1 Ra7 (41...Ra7 42.Kd2 Kf5-+) 0–1. Feduk,Iv (1940) – Ivanenko,O2 (2065), ch–UKR g18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

    4.Bb2 Nf6

    5.e5 Nd5 6.Bc4 Nc6 7.Nf3 Nb6 8.Bb3 Na4 9.Ba4 Qa4 10.0-0 e6 11.ab4 Qb4 12.Ba3 Qa5 13.Qe2 b6 14.c4 Ba3 15.Na3 Qc5 16.Nb5 0-0 17.Nd6 f6 18.Qe4 f5 (better is 18...fe5!? 19.Ng5 g6+=) 19.Qf4+= Nd8 20.Rfc1 Nf7 21.d4 Qc6 22.d5 Qc5 (worse is 22...ed5 23.Nd4 (worse is 23.Nc8 Rfc8 24.Nd4 Qc5-/+) 23...g5 24.Qd2+/-) 23.Nd4 Nd6 24.ed6 Rf6 25.de6 de6 26.Qf3 Rb8 27.Nc6 Bb7 28.Ne7 Kf8 29.Qa3 Qa3 30.Ra3 e5 31.Ra7 g6 32.Rd1 Ke8 33.h4 Kd7 34.Rb1 Rd6 35.c5 bc5 (better is 35...Re6!? 36.c6 A) 36...Ke7?? 37.Rb7 (37.cb7? Kd7-+) 37...Kf6 38.Rb8 Rc6 39.R1b6 Rb6 40.Rb6 Kg7 41.Rb7 Kh6 42.Rf7+-; B) 36...Rc6 37.Nc6 Kc6 38.Rc1 Kd6=) 36.Rab7+= Rb7 37.Rb7 Kd8 38.Ng8 c4 39.Rb5 Kd7 40.Rc5 Rd4 41.Re5 Kd6 42.Re8 Kc5 43.Rc8 Kb4 44.Ne7 Rd1 45.Kh2 c3 46.Nc6 Ka4 47.Na5 Ka5 ½–½. Lockwood,Austin (2190) – Eldridge,Mark (2260), British Championship, 2009. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

    5.e5 Nd5 6.Nf3 e6 7.ab4 Qc7 (7...Qb4!? 8.Ba3 Qe4 9.Be2 Nc6 10.Bf8 Rf8=+) 8.Na3 (8.b5 a5+=) 8...Nb4= 9.c3 N4a6 10.Nb5 Qd8 11.Ba3 Ba3 12.Ra3 0-0 13.Nd6 Nc6 (13...Nc7 14.Qb1+=) 14.d4 (14.Ba6 ba6 15.d4 Rb8+=) 14...Qc7 (14...Nc7!?=) 15.Bd3+= h6 (15...f6 16.Qc2 fe5 17.Nb5= (17.de5?! Ne5 18.Bh7 Kh8 19.Ne5 Qd6=)) 16.Bb1 (16.Qe2 Ncb4+-) 16...Ne7 (16...f6 17.Qc2 f5 18.0-0+-) 17.Qd3 g6 18.g4 (18.Qd2 Kh7+-) 18...Qc6 (18...Qb6 19.c4+=) 19.h4 (19.Qe3 Qb6 20.Bd3 Kg7+-) 19...Kg7 (19...f6!? 20.Qe4 Qb6+=) 20.h5+- Nc7 (20...f5 21.hg6 fg4 22.Qd2+-) 21.Rh3 (21.hg6 fg6 22.Qd2 Ng8+- (22...Rf3?? 23.Qh6 Kg8 24.Qh8)) 21...Ne8 (21...Ned5 22.Qd2 Qb6+-) 22.Ne8 Re8 23.Qd2 Rh8 (23...Qb6 24.Bd3 Rh8+-) 24.hg6 (24.g5!? Qb6 25.Bd3 hg5 26.Qg5+-) 24...fg6+= 25.Nh4 d5 (25...g5!? 26.Nf3 a5+-) 26.Qf4 (26.Ng6 Ng6 27.Bg6 Qc7+-) 26...Rf8+- 27.Qd2 g5 (27...Qb6!? 28.Ra1 g5+-) 28.Qd3 Nf5 29.gf5 (29.Ng2 Rh8+-) 29...ef5 30.Rg3 Qe8 (30...Qb6+-) 31.Qf3 (31.f4 Qh5 32.Nf3 g4+-) 31...Qf7 (31...Kh8!? 32.Bf5 Bf5 33.Nf5 Qg6+=) 32.Ba2 (32.Rg1 Be6+-) 32...Be6 33.Ra5 (33.Rg1 g4 34.Ra5 Qc7+-) 33...Kh8 (33...Kh7 34.Bd5 (34.Rd5?! gh4 35.Rh3 Rae8=) 34...Bd5 35.Rd5 gh4 36.Rh3+-) 34.Ng2 f4 35.Nf4 (35.Rh3 Bh3 36.Qh3 Qg6+-) 35...gf4 (35...Qf4 36.Qf4 Rf4 (36...gf4? 37.Rg6 b6 38.Ra3+-) 37.Bd5 Bd5 38.Rd5 Kg7+=) 36.Rg1+- b6 (36...Qc7 37.Rc5 Qh7 A) 38.Bd5? Bd5 39.Qh5 Qb1 40.Qd1 Qe4 41.Kd2 Rg8-+; B) 38.Rd5? B1) 38...Bd5?! 39.Bd5 (worse 39.Qd5 Qc2 40.Qd6 Qc3 41.Kf1 Qc6 42.Qc6 bc6-+) 39...Qb1 40.Qd1=; B2) 38...Qc2-+; C) 38.Kd2+-) 37.Bd5 Bd5 (37...Rae8 38.Be6 Re6 39.Ra6+-) 38.Rd5+- Qf5 (better 38...Rae8+-) 39.Kd2 Rg8 (39...Rad8 40.Rd8 Rd8 41.Qc6+-) 40.Rh1 (40.Rd6 Rg1 41.Qa8 Rg8 42.Rh6 Kg7+-) 40...Rg6 (40...Qe6 41.c4 Rad8+-) 41.Rd6 Rag8 (41...Rf8 42.Rh6 Rh6 43.Rh6 Kg7+-) 42.Rh6 Rh6 43.Rh6 Kg7 44.Rf6 (better 44.Rh4 Qe6 45.Qb7 Kf8 46.Qb8 Kg7 47.Qa7 Qf7 48.Rh7 Kh7 49.Qf7 Rg7 50.Qh5 Kg8 51.e6+-) 44...Qg5 45.Qf4 Qf4 46.Rf4 a5 (46...Rd8+-) 47.Rg4 Kf7 48.Rg8 Kg8 49.c4 Kf7 50.d5 (50.d5 Kf8 51.f4+-) 1–0. Strater,Heinz (2090) – Kain,Friedrich (1940), 9th International Schach–Open Neumarkt, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Qa5 4.Bb2 Nf6)

    5.e5 Nd5 6.Nf3 e6 7.Bc4 Nc6 8.0-0 Be7 9.ab4 Qb4 10.Bb3 Nb6 11.d4 a5 12.Qd3 Nd5 13.c4 Nf4 14.Qe3 Ng6 15.Na3 Qb6 16.c5 Qd8 17.Nc4 0-0 18.Ba4 Nb4 19.Nb6 Ra6 20.Nd2 Bg5 21.f4 Nf4 22.Ne4 Bh6 23.Rf4 Rb6 24.cb6 Nd5 25.Nf6 Qf6 26.ef6 Ne3 27.fg7 Rd8 28.Rf3 Nc4 29.Bc3 d5 30.Bb5 Nd6 31.Bd3 Bg7 32.Ra5 Bd7 33.Rh3 f5 34.Kf1 Rc8 35.Rc5 Rc5 36.dc5 Bc3 37.cd6 Be5 38.g4 Bd6 39.gf5= e5 40.Bc2 e4 41.Bb3 Bb5 42.Ke1 Bc6 43.Rh6 Bb4 44.Kf1 Kg7 45.Re6 d4 46.h4 e3 47.f6 Kf8 48.Bc4 Be8 49.Re5 Bf7 50.Bf7 Kf7 51.Rd5 Ke6 52.Rd4 Bc5 53.f7! Ke7 54.f8Q! Kf8 55.Rd8 Ke7 56.Rb8 Kd6 57.Rb7 h5 58.Rb8 Kc6 59.b7 Ba7 60.Rh8 Kb7 61.Rh7 Kb6 62.Rh5 Kc6 63.Re5 1–0. Shirazi,K (2420) – Stanojoski,Z (2525), XXIV Open, Cappelle La Grande FRA, 2008.

    4.Nf3 Nc6

    5.Bb2 =+.

    5.d4 e6 6.d5 ba3 7.Bd2= Nb4 8.Na3 Nf6 9.c3 Ne4 10.cb4 Bb4 11.Nb5+/- Qb6 12.Qc2 Nd2 13.Nd2+/- 0-0 14.Bd3 d6 15.Rb1 Qc5 16.Nc7 Rb8 17.Bh7 Kh8 18.Bd3 Bd7 19.Ke2 ed5+= 20.Qc5 dc5 21.Nd5 Rfe8 22.Ne3 Re7 23.Rhd1 Ba4 24.Nb3 a5 25.Kf1 Rbe8 26.Bc2 g6 27.g3 Bc6 28.Nd5 Bb5 29.Kg1 Re2 30.Na1 Bc6 31.Bd3 Rd2 32.Rd2 Bd2 33.Nb6 Bc3 34.Nc2 a4 35.Bb5 ½–½. Meissen,Frank (2495) – Ruhmke,Stephan (2235), RSXT – BerlinMasters, 2008.

    5.Be2 Nf6 6.d3 e5 7.0-0 d5 8.ed5 Nd5 9.Bb2 Qc7 10.Re1 Bd6 11.d4 e4 12.Bc4 Nf6 13.Nbd2 0-0 14.Ne4 Ne4 15.Re4 Bf5 16.Re3 Na5 17.Bb3 Nb3 18.cb3 Bf4 19.Re1 Bc2 20.Qe2 Bb3 21.ab4 Bd5 22.h3 a6 23.Nh4 Qd7 24.Qd3 Rfe8 25.Qf5 Qd6 26.Bc3 Rac8 27.Re8 Re8 28.Re1 Re1 29.Be1 g6 30.Qc8 Kg7 31.Qc3 Qe7 32.Nf3 Bf3 33.gf3 Qe2 34.d5 f6 35.Kg2 Kf7 36.Qd4 Qe5 37.Qd1 Qg5 38.Kf1 Qh4 39.Kg2 Bd6 40.Qc1 Qf4 41.Qc8 Qg5 42.Qg4 Bc7 43.Qg5 fg5 44.Bc3 Bf4 45.Bd4 Ke7 46.Bc5 Bd6 47.Kf1 Bc5 48.bc5=+ Kf6 49.Ke2 Ke5 50.d6 Ke6 51.Kd3 b6 52.Kc4 bc5 53.Kc5 Kd7 (53...Kd7 54.Kd5 a5-+) 0–1. Pinasco,Damian (2035) – Raffaele,Enzo (2235), IECG, 2001.

    3.a3 b3

    4.cb3 b6 5.d4 Bb7 6.d5 Nf6 7.Nc3 d6 8.Nf3 g6 9.Bb2 Bg7 10.Rc1 (10.Bb5!? Nbd7 11.Nd4+/-) 10...Ne4= 11.Bb5 Nd7 12.Qd3 Nc3 13.Bc3 Bc3 14.Rc3 0-0 15.0-0 Nf6 16.Bc6 Rb8 17.Rfc1 Nd7 (17...e6 18.de6 fe6 19.Nd4=) 18.Bb7 Rb7 19.Rc8?? (better is 19.Qa6 Qa8 20.Qb5=) 19...Qc8-+ 20.Rc8 Rc8 21.h3 Rbc7 0–1. Fossati Acosta,Rafael (1865) – Arza Garcia,Marc (1815), Catalunya–chB, 1996. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.cb3= g6 5.Nc3 Bg7 6.Nf3 e6 7.d4+/- Ne7 8.Be3 a6 9.Bd3 Qc7 10.Rc1 0-0? 11.Nb5+- Qd8 12.Nc7 Ra7 13.d5 Ra8?? 14.Na8 Qa5 15.Qd2 Qa3 16.Bc5 (16.Bc5 Qb3 17.Be7+-) 1–0. yourmove (2795) – kpadfield (2130), net–chess.com, 2008.

    4.c3 Qb6 5.Bb2 Qg6 (5...Nf6!? 6.e5 Ne4+=) 6.d3= (worse is 6.Qb3 Qe4 7.Ne2 d5+=) 6...Nc6 7.Nf3 d6 8.Qb3 Nf6 9.Nbd2 e6 10.g3 h5 ½–½. Nanu,Ciprian (2505) – Manolache,Marius (2440), Padron op 5th, 2004. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.c3 d5 5.e5 Qb6 6.Bb2 Bf5 7.d4 Bc2 8.Qd2 e6 9.Bd3 Bd3 10.Qd3 Nc6 11.Ne2 Na5 12.Nd2 Rc8 13.0-0 Nc4 14.Nc4 dc4 15.Qh3 Rd8 16.f4 Ne7 17.Rf3 Qc6 18.Ng3 g6 19.Re1 b5 20.Ne4 Nd5 21.Nf6 Nf6 22.ef6 Rd5 23.f5 gf5 24.Rf5 Rf5 25.Qf5 Kd7 26.Qg4 h5 27.Qe2 Qd5 28.Qf2 Bd6 29.Bc1 Rg8 30.Re2 a5 31.Qe1 Rg6 32.Rf2 h4 33.Bb2 h3 34.g3 Rf6 35.Qf1 Rf2 36.Qf2 Qf5 37.Qf5 ef5 38.Kf2 b4 (38...b4 39.ab4 ab4 40.cb4 Bb4-+) 0–1. Spasov,Ivailo (1810) – Neichev,Ivan, Sofia BUL, 2012. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.c4 e6 5.Qb3 Nc6 6.Nf3 Bc5 7.Bb2 e5 8.Ne5 Nd4 (8...Nf6 9.Qg3 0-0 10.Nd3=) 9.Qg3+/- Nc2? (better 9...Qb6!? 10.Ra2 Nc2 11.Ke2 Nd4 12.Ke1 Nc2 13.Kd1 Nd4+=) 10.Kd1+- Na1 11.Qg7 Qf6 12.Ng4 (better 12.Nd3 Qg7 13.Bg7+-) 12...Qg7+/- 13.Bg7 Nb3 14.Bh8 d6 (14...d5!? 15.Ne3 de4+/-) 15.Be2 Bg4 16.Bg4 f6 17.Be6 (better 17.f4!? Kf7 18.Bh5 Ke6+-) 17...Ke7 18.Bg8?? (better 18.Bd5 Nh6 19.Bg7+-) 18...Rg8-/+ 19.Bf6 Kf6 20.Nc3? (better 20.g3 Ke5 21.Kc2 Nd4 22.Kd3-/+) 20...Rg2-+ 21.Nd5 Ke5 22.f4 (22.Rf1 Bf2 (22...Ba3?! 23.Kc2 Nd2 24.Kd2 Ke4 25.h4-+) 23.Kc2 Nd4 24.Kc3 Rh2-+ (worse 24...Ke4 25.Nf6 Kf5 26.Nh7-+)) 22...Kd4 23.f5 (23.Kc2 Kc4 (23...Nd2?! 24.Rd1-+) 24.Rd1 Rh2-+) 23...Rd2 24.Ke1 Ke4 (worse 24...Kc4 25.f6 Bf2 26.Kf1-+; 24...Ba3 25.f6 Kd3 26.h4 Re2 27.Kd1=+) 25.f6 (25.h4 Bf2 26.Kf1-+) 25...Rf2 (25...Bf2 26.Kf1 Kf3 27.Nc3 Rc2 28.Nd5 Nd2) 26.Rf1-+ Rf1 (26...Rh2 27.f7 Rc2 28.Rf4 Kd3 29.Rf3 Kc4 30.Ne3 Be3 31.Re3+=) 27.Kf1 Bd4 (27...Ba3?? 28.f7 Nd2 29.Ke2 Nc4 30.Nc3 Kd4 31.Nb5 Kc5 32.Na7+-) 28.f7 Bg7 29.Nf6 Kd3 30.Nh7 Kc4 (30...Nd2 31.Ke1-+) 31.f8Q Bf8 32.Nf8 d5 33.h4 d4 34.Ke2 d3 35.Kd1 Nd4 36.h5 Nf5 37.Ng6?? (better 37.Kd2-/+) 37...Kc3-+ 38.Ne5 (38.Nf4 Ne3 39.Ke1 d2 40.Ke2 d1Q 41.Ke3 Qc1 42.Ke4 Qa3 43.Kf5-+) 38...d2 (better 38...Ne3 39.Ke1 d2 40.Ke2 d1Q 41.Ke3 Qd4 42.Kf3 Qe5 43.Kg4-+) 39.Nf3?? (better 39.Ng4-+) 39...Ne3 40.Ke2 d1Q 41.Ke3 Qh1 42.Kf4 Qh5 43.a4 (43.Ne5 Qh2 44.Kf5 Kb3-+) 43...Kb4 (43...Qa5 44.Kg3-+) 44.a5 Ka5 45.Ne5 (45.Ng5 b5 46.Nf3 b4-+) 45...b5 46.Ke3 (46.Nf3-+) 46...Qe5 47.Kd3 Kb4 48.Kc2 (48.Kd2 Qe4 49.Kc1 Kc3 50.Kd1 a5 51.Kc1 Qc2) 48...Qc3 (48...Qe2 49.Kb1 Kc3 50.Kc1 Qc2) 49.Kb1 (49.Kd1 Qe3 50.Kc2 Qe2 51.Kb1 Kc3 52.Kc1 Qc2) 49...Qd2 50.Ka1 Kb3 51.Kb1 Qb2 (51...Qe1) 0-1. Mukhina,Jana (2065) - Juhasz,Ba (2220), Women's Speed Chess Q2, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.Bc4 b5?? 5.Bb3 (better 5.Bf7!? Kf7 6.Qh5 g6 7.Qd5 e6 8.Qa8+=) 5...Bb7+= 6.Nc3 a6 (6...Nf6 7.Nf3 Ne4 8.Ne4 (8.Nb5?! e6=) 8...Be4 9.Ng5+-) 7.Nf3 e6 8.0-0 Nf6 (8...Qc7 9.Re1+=) 9.Re1 (9.e5 Ne4 10.Ne4 Be4+=) 9...d6 10.d4 Nbd7 11.e5 (11.d5 Nc5+=) 11...de5 12.de5 Qc7 (12...Ng4 13.Bf4=+) 13.Bb2= Ng4 The pressure on e5 grows 14.Ne4 (14.h3 Nh6= (worse 14...Nge5 15.Ne5 Ne5 16.Nd5 Bd5 17.Be5+-)) 14...Be4 (better 14...Nge5!? 15.Ne5 Ne5-/+) 15.Re4+= h5 16.h3 Nh6 17.Ng5 (17.a4 b4+=) 17...Nc5 18.Re1 (18.Rh4 Rd8 19.Qf3 Qe7 20.Qc6 Qd7 21.Qd7 Rd7 22.Rh5 Be7=) 18...Nf5 (18...Rd8 19.Qf3=) 19.Qf3 Rc8 20.Rad1 g6 (20...Be7 21.Ne4=) 21.Ne4+= Ne4 22.Re4 Be7 (22...Bc5 23.c4+=) 23.c4 0-0 (23...Qa5 24.cb5 ab5 25.a4+=) 24.Rc1 (24.cb5 ab5 25.a4 ba4 26.Ra4 Rb8+=) 24...Qa5+= The isolani on a3 becomes a target 25.Ra1 (25.cb5 Rc1 26.Bc1 ab5=) 25...bc4 (25...Rfd8 26.Bc3 Qc7 27.Ra2=) 26.Bc4 (26.Rc4 Rc4 27.Bc4 Rb8+=) 26...Rc6 27.Qe2 (27.Rb1 Rb8 28.Bb3 A) 28...Ba3 29.Ra4 Qd2 30.Ba3+- (30.Qc6?! Rb3 31.Ra3 Rb2+-); B) 28...Rcb6=+) 27...Qb6 28.Bd3 (better 28.Kf1!?=) 28...Ng3-/+ 29.Qe3?? (better 29.Qe1 Qb2 30.fg3-/+) 29...Ne4-+ (29...Qb2?! 30.Rb1 Nf5 31.Rb2 Ne3 32.Re3 Ba3 33.Ra2=+) 30.Be4 (30.Bd4 Bc5 31.Rb1 Bd4 32.Rb6 Be3 33.Rc6 Nf2 34.Ba6 Nh3 35.Kf1-+) 30...Rd8 (better 30...Qb2 31.Rb1 Qa2-+) 31.Qe2 (better 31.Bc6!? Qb2 32.Rf1=+) 31...Rc7 32.Rb1 (32.Bc1 Qa5 33.Bf4 Ba3-+) 32...Qa5 (32...Qb3 33.Qe1 (33.Qa6? Rd2 34.Qa5 Rb2 35.Qc7 Rb1 36.Bb1 Qb1 37.Kh2 Ba3-+) 33...Ba3 34.Ba3 Qa3 35.Bb7-+) 33.Bc1 (33.Bd3 Rcd7 (33...Ba3?! 34.Ra1 Rc3 35.Bc4=+) 34.Ba6 Rd2-+) 33...Qa4 (33...Qe5 34.Bb2 Qf4 35.Bd3-+) 34.Bb2 Rcd7 (34...Ba3 35.Ra1 Qc4 36.Qc4 Rc4 37.Ra3 Re4 38.Ra6 Rd1 39.Kh2-+) 35.Bc2 Qa5 36.Qf3 (36.Bc1 Rd5 37.Bf4 Qa3-+) 36...Rc8 (36...Rb8 37.Qe4-+) 37.Be4 Bf8 (better 37...Rb8 38.Bc3 Rb1 39.Bb1 Qa3-+) 38.Bc1?? (better 38.Bc6 Rdc7 39.Be4-+) 38...Qe1-+ 39.Kh2 Rc1 40.Rb8 (40.Rc1 Qc1 41.Bc6 Rc7-+) 40...Qg1 (40...h4 41.Qf7 Kf7 42.Rf8 Kf8 43.Bg6 Qg1) 41.Kg3-+ Qe1 (41...Rc4 42.Qf6 Rc3 43.f3-+) 42.Qf6?? (42.Kh2 h4 43.Qf7 Kf7 44.Rf8 Kf8 45.Bg6 Qg1) 42...Qc3 (42...Rd4 43.Qe7 h4 44.Qh4 Re4 45.Qh6 Qc3 46.Kh2 Qe5 47.g3 Qb8 48.Qc1-+) 43.f3 (43.Kh4 Rd4 44.Rb7 Re4 45.g4 Rg4 46.hg4 Rh1 47.Kg5 Qd2 48.Qf4 Bh6 49.Kf6 Qf4 50.Ke7 Bg5 51.Ke8 Qa4 52.Rd7 Rd1 53.gh5 Qd7) 43...Qa3 (43...Qe1!? 44.Kf4 Rd4 45.Rf8 Kf8 46.Qh8 Ke7 47.Qf6 Ke8 48.Qh8 Kd7 49.Qf6-+) 44.Kf4 (44.Kh2 Qc5 45.Bg6 Qg1 46.Kg3 Qe1 (46...fg6?? 47.Qf8 Kh7 48.Qh8) 47.Kh2 Qh1 48.Kg3 h4 49.Kh4 Rc4 50.f4 Rf4 51.Qf4 Qg2=) 44...Qe7 (44...Rd2!? 45.g4 Re2 46.Kg3-+) 45.Rf8 (45.Qe7 Re7 46.Ra8-+) 45...Qf8 (45...Qf8 46.Kg3 Qb4-+) 0–1. Chaves,JA Torre (2030) – Oliveira,F Ventura (2055), Rio de Janeiro BRA, Estadual Ch, 2014. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.Bc4 d5!? 5.Bd5 Nf6 6.Bb3 Ne4 +=.

    4.d4 Qc7 5.c4 (5.cb3 d5 6.Nd2 de4 7.Ne4 Bf5+=) 5...e6 (5...e5 6.Nd2=) 6.Qb3+= a6 (6...e5 7.de5 Qe5 8.Nc3+=) 7.g3 (7.Nf3 d5 8.ed5 ed5+-) 7...d6 8.Qa4 (8.Nf3 Nf6 9.Nc3 Be7+=) 8...Nd7 (8...b5 9.Qb3 Nc6=) 9.Qb4 (better 9.Nd2!?=) 9...d5-/+ 10.c5 (10.Qb2 de4 11.Nd2 Ngf6-/+) 10...b6 11.Bf4 bc5 12.dc5 (12.Bc7 cb4 13.e5 b3-/+) 12...Qc5 (12...e5 13.Bd2 Bc5 14.Qa5 Qa5 15.Ba5 de4 16.Nc3-+) 13.Qb2 (13.Qc5!? Bc5 14.Nc3-/+) 13...Ngf6 14.Bg2 (better 14.Be3 Qa5 15.Bd2-+) 14...Rb8?? (better 14...Ne4 15.Be4 de4-+) 15.Bb8+- Qa5 (15...Nb8 16.Qb8 Qc1 17.Ke2 Qc4 18.Kd1 Qd4 19.Ke1 Qa1 20.Qc8 Ke7 21.Qb7 Ke8 22.ed5 Nd5 23.Bd5 ed5+-) 16.Nc3?? (better 16.Nd2 Ne4 17.Be4 de4 18.Ne2+-) 16...Nb8 (better 16...d4 17.Bf4 Nc5= (worse 17...Qc3 18.Qc3 dc3 19.Ne2+-)) 17.0-0-0?? (better 17.Nge2 Nc6 18.0-0+=) 17...Ba3-+ 18.Qa3 Qa3 19.Kc2 Qc5 (better 19...Nc6 20.Nge2 Nb4 21.Kd2-+) 20.Rb1 (20.ed5 ed5 21.Nge2 Bf5 22.Kb2 0-0 23.Bd5 Nd5 24.Rd5 Qb4 25.Ka1 Qa3 26.Na2 Qf3 27.Rf5 Qh1 28.Nec1 Nd7-+) 20...Qf2 21.Nge2 Qg2 (better 21...Nfd7 22.ed5 Qg2 23.Kd2-+) 22.Rhc1 (22.Rb8 0-0 23.Rg1 Qf2-+) 22...Nbd7 23.Kd2 Ne4 (better 23...d4 24.Kd1-+) 24.Ne4 0–1. Ionita,George_Calin – Iurcu,Marius, Campionatul National Individual Pentru, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.cb3 Nc6

    5.Bb2 d5 6.ed5 Qd5 7.Nc3 Qe5 8.Qe2 Qe2 9.Be2 (worse is 9.Ke2 Nd4 10.Kd1 Nb3 11.Bb5 Kd8-/+) 9...Bd7 10.Nf3 Nf6 11.0-0 a6 12.Na4 e6 13.Nb6 Rd8 14.d4 Nd5 15.Nd5 ed5 16.Ne5 Ne5 17.de5 Bc5 18.Rac1 Bb6 19.Kh1 (19.Rfd1 Be6=) 19...0-0 20.f4 Bf5 21.Bf3 Rd7 22.Rcd1 (22.g4!? Be4 23.Rcd1 Bf3 24.Rf3+=) 22...d4+= 23.Rd2 d3 24.Re1 Rc8 25.g4 Be6 26.f5 Bb3 27.e6 fe6 28.fe6 Re7 (28...Rd5 29.Bc1 Ba5-+) 29.Rd3+= Ba5? (better is 29...Bc4!? 30.Rd6 Bc5+=) 30.Re5+- (30.Rb3?! Be1 31.Bb7 Rb8=) 30...Bc4 31.Rd7 Bd8 32.Bd5 (32.Bd4 Bb5 33.Bd5 Bc6+-) 32...Bb5? (32...Rd7 33.ed7 Bd5 34.Rd5+=) 33.Rg5 (33.Rb7!? g6 34.a4 Ba4 35.Ba3 Rb7 36.e7 (36.Bb7?! Rc7 37.Rc5 Rb7+=) 36...Kh8 37.e8Q (37.ed8Q?! Rd8 38.Bb7 Bb5+-; 37.ed8R?! Rd8 38.Bb7 Bb5+-) 37...Be8 38.Re8 Kg7 39.Bb7+-) 33...g6+/- 34.Bf6 Rc1 35.Kg2+/- Bf1?? 36.Kf3+- (36.Kf3 Rc8 37.Be7 Be7 38.Re7+-) 1–0. BatTESTI,Marc Andria (1890) – Stubbe,Damien (1780), Bastiais Master 1st, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Nc3 d6 6.Bb2 Nf6= 7.Nf3 (7.Rc1 g6=) 7...e6 (7...g6 8.Bc4=) 8.d4+= Be7 9.Bd3 0-0 10.Qe2 (10.0-0 Bd7+=) 10...h6 (10...Bd7 11.0-0+=) 11.0-0+- Bd7 (11...Qb6 12.b4+-) 12.Rfe1 (12.Rac1 e5 13.Nd5 Nd5 14.ed5 Nd4 15.Nd4 ed4 16.Bd4 Bg5+=) 12...Rc8 (12...e5 13.Nd5 Bg4 14.de5 Ne5 15.Be5 de5 16.h3 Bf3 17.Qf3 Nd5 18.ed5=) 13.Rad1 (13.b4 Qb6+-) 13...a6 (13...Qb6 14.b4+=) 14.b4 (14.e5 Nd5 15.Nd5 ed5+-) 14...b5 (14...e5 15.Nd5 Bg4 16.de5 Ne5 17.Be5 de5 18.Ba6 Nd5 19.Rd5+=) 15.Qd2 (15.e5 Nd5 16.Nd5 ed5+-) 15...Rb8 (15...Qb6 16.e5 Nd5 17.Nd5 ed5 18.Bb1+-) 16.Qf4 (16.e5 Nd5+-) 16...Nd4 (16...Nh5 17.Qc1 Rc8 18.Qd2+-) 17.Nd4 e5 18.Qe3 (18.Qg3 ed4 19.Nd5 Nd5 20.ed5 Bh4+=) 18...Ng4 19.Qe2 ed4 20.Nd5 Be6 (20...Bf6 21.Rc1+=) 21.Bd4 Ne5 22.f4 (22.Bc2 Rc8+=) 22...Nd3 (22...Bd5 23.ed5 Nd3 24.Qd3=) 23.Rd3 (23.Ne7 Qe7 24.Qd3 f6+=) 23...Bh4 (23...Bd5 24.Rg3 g6 25.ed5+=) 24.g3 (24.Bf2 Bf2 25.Qf2 Rc8+=) 24...Bd5 25.ed5 (25.gh4 Bc4 26.Qg4 f6=) 25...Bf6 26.Qb2 (better 26.Bf6 Qf6 27.Qd2=) 26...Qb6? (better 26...Re8 27.Rc1 Bd4 28.Qd4 Qd7=) 27.Bb6+- Bb2 28.Bc7 Rbc8 (28...Rfe8 29.Re8 Re8 30.Bd6+-) 29.Bd6 Rfe8 (29...Rfd8 30.Bc5 Rd7+-) 30.Re8 Re8 31.Bc5 Rd8 (31...f5 32.d6 Bf6 33.d7+-) 32.d6 Rd7 33.Re3 (33.Rd2 Bc3 34.Rc2 Ba1+-) 33...Kf8 (33...f5 34.Re2 Ba3 35.Ra2+-) 34.Kg2 (better 34.Re7 Re7 35.d7 (worse 35.de7 Ke8-+) 35...Bd4 36.Kg2 Bc5 37.d8Q Re8 38.Qa5+-) 34...Bc1 (34...f5 35.Re7 Rd8+-) 35.Re2 (35.Re7!? Rd6 36.Bd6 Kg8+-) 35...Ba3 (35...g5 36.Re7 Rd8+-) 36.Ra2 (better 36.Re7 Rd8 37.d7 Rd7 38.Rd7 Kg8 39.Ra7+-) 36...Bc1 37.Ra6 f5 (37...g5 38.Kf3+-) 38.Rb6 g5 39.fg5 (39.Kf3!? Bb2+-) 39...hg5 40.Rb5 f4? (40...Kf7+-) 41.Rb8 Kf7 42.b5 (42.Kf3 Bd2+-) 42...Be3 (42...g4 43.b6 f3 44.Kf1+-) 43.Be3 fe3 44.Kf3 e2 (44...Ke6 45.Ke3 Kd6 46.Rg8+-) 45.Ke2 Rd6 (45...Ke6 46.Rb6 g4 47.Ke3+-) 46.b6 Rh6 (46...Kg7 47.h4 Re6 48.Kd3 gh4 49.gh4 Rh6+-) 47.b7 Rh2 48.Kf3 Rb2 49.Rh8 Rb3 50.Kg2 (50.Kg4 Rb4 51.Kh5 Ke6+-) 50...Rb2 (50...Ke6 51.Re8 Kf6 52.Rf8 Ke6 53.b8Q Rb8 54.Rb8+-) 51.Kh3 Rb7 52.Rh7 (52.Rh7 Ke6 53.Rb7+-) 1–0. Nesterenko,Kyrylo – Lopez Rayo,Santiago (1630), World Cadets Championship U8, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nc6)

    5.Nc3 g6 6.d4 Bg7 7.Nf3 d6 8.h3 e6 (8...Nf6 9.Bd3+=) 9.Be3 Nge7 10.Be2 h6 (10...d5 11.e5+=) 11.Rc1 0-0 (11...d5 12.Bd3+=) 12.Qd2+- Na5 (12...g5 13.0-0+-) 13.Rb1 (13.Bh6 Nb3 14.Qe3 Nc1 15.Qc1 Bd7-/+) 13...Kh7 14.b4 Nac6 15.Rc1 (15.0-0 a6+-) 15...f5 16.ef5 (16.0-0!?+-) 16...Nf5+= Increasing the pressure on the isolated pawn on d4 17.0-0 d5 (17...e5 18.de5 de5 19.Bd3+=) 18.Rfd1 Bd7 19.Bf1 (19.Bd3 A) 19...Bd4? 20.Bf5 (20.Nd4?! Ncd4 21.Bd4 Nd4 22.Bg6 Kg6 23.Qd4 Qf6+=) 20...Be3 21.Bg6 (21.Qe3?! Rf5 22.b5 Na5=) 21...Kg6 22.Qe3+- (22.fe3?! Qf6+-); B) worse 19...Nfd4 20.Nd4 Bd4 21.Bg6 Kg6 22.Qc2 Kg7 23.Rd4 Nd4 24.Bd4 Rf6 25.Rd1+=; C) 19...a6+=) 19...Qe7 (19...Ne3 20.Qe3 a5 21.b5 Rf3 22.Qf3 Nd4 23.Qe3=) 20.Ne2 a6 21.Nf4 Rac8 22.Bd3 Be8 23.Re1 Bf7 (23...Kg8 24.h4+=) 24.Rc5+- Qf6 (24...Qd6 25.Rec1+-) 25.Bf5 (25.Rec1!?+-) 25...ef5+= 26.Nd5?? (better 26.h4+=) 26…Bd5-+ (26...Bd5 27.Rd5 f4-+) 0–1. Doroodian,Mahyar (1975) – Firouzja,Alireza (2515), 1st Aftab Cup Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nc6)

    5.Bc4 Nf6 6.Nc3 e6 7.Nf3 Be7 (7...d5 8.ed5 ed5 9.Bb5=) 8.d4 Na5 (8...d5!? 9.ed5 ed5=) 9.Bd3 d5 10.e5 Nd7 11.Bc2 0-0 12.Qd3 g6 13.g4 Kg7 14.h4 Rh8 15.h5 Nf8 16.Ne2 b6 17.Nf4 Bb7 18.hg6 hg6 19.Rh8 Kh8 20.g5 Kg7 21.Bb2 Bg5 22.Nh3 Be7 23.0-0-0 Rc8 24.Rh1 Qc7 25.Nhg5?? (better is 25.Kd1=) 25...Ba6-+ 26.Qd1 Qd8 27.Qd2?? (better is 27.Nh3 Nb3 28.Kb1-+) 27...Nb3 28.Kd1 Nd2 29.Kd2 Bg5 30.Ng5 Qg5 31.Kd1 Qg4 32.Kc1 Qf4 33.Kb1-+ Qf2 (33...Qf2 34.Ba4 Bf1-+) 0–1. Hind,Faraj – Abbasova,Sadagat, Al–Ain UAE, World Ch Girls U10, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 b3)

    5.d4 d5 6.e5 Bf5 7.Nf3 Qa5 8.Bd2 Qb6 9.Be3 e6 10.Nc3 Rc8 11.Be2 (11.Nh4 Be4 12.Be2 Qa5=) 11...Nh6 (11...Na5 12.b4 Rc3 13.ba5=+) 12.0-0 Ng4 13.Na4 Qd8 (13...Ne3 14.Nb6 Nd1 15.Nc8=) 14.Bg5 f6 15.ef6 gf6 16.Bh4 Bg7 (16...Bd6 17.Nc5 Qe7 18.Re1=) 17.Nc5 b6 18.Nd3 0-0 19.Nf4 Qd6 20.Nh5 (20.Bg3 Qd7 21.Ba6+=) 20...Bh8 (better 20...Bc2! 21.Qd2 Bh6=+) 21.h3 (better 21.Bg3 e5 22.Nh4+-) 21...Nd4? (21...Nh6 22.Qd2 Bg7+=) 22.hg4?? (better 22.Qd4 e5 23.Qb4 (23.hg4?! ed4 24.gf5 Qe7+/-) 23...Qb4 24.ab4+-) 22...Ne2= 23.Qe2 Bg4 24.Ng3 e5 25.Rfd1 (25.Qa6 Bf3 26.gf3 f5+=) 25...Qe6 (25...f5 26.Qf1=) 26.Qd2 Bf3 27.gf3 d4 28.Qh6 Rc7 (28...Bg7 29.Qh5 Qb3 30.Nf5=) 29.Kg2 (29.Nh5!? Qf5 30.Kh2=) 29...Bg7 30.Qh5 f5 (30...Qb3 31.Nf5=+) 31.Rg1 Kh8 32.Bg5 1-0. Grabinsky,V (2215) - Kalinina,L (2130), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.d4 d5 6.e5 Bf5 7.Nf3 e6 8.b4 Nge7 9.Be2 Nc8 (9...Rc8 10.0-0=) 10.0-0 Be7 11.Be3 Nb6 12.Bd3 (12.Nbd2 0-0=) 12...Bd3 13.Qd3 0-0 (13...Nc4 14.Nfd2 b5 15.Nc3=) 14.Nbd2+= Rc8 15.Rac1 f6 16.ef6 Bf6 17.Rfe1 a6 18.Nb3 Nc4 19.Nc5 Qe7 20.Bf4 Nd8 21.Nd2 Nd6 (21...Bh4 22.g3 (worse 22.Nc4 Rf4 23.Nb6 Bf2 24.Kh1 Rc5 25.dc5 Be1 26.Re1 Qf6-/+) 22...b5 23.Nc4 bc4 24.Qe3+=) 22.Bd6+= Qd6 23.Ndb3 Rc7 24.g3 Re7 25.f4 Qb6 26.Kg2 Rfe8 27.Re2 Nc6 The isolani on d4 becomes a target 28.Rce1 Na7 29.f5 ef5? (better 29...Nb5!? 30.Re6 Re6 31.Re6 Re6 32.fe6 Na3+-) 30.Re7+- Re7 31.Re7 Be7 32.Qf5 Nc6? (32...Bc5 33.Qd5 Kf8 34.Nc5 Qc6 35.Qc6 Nc6+-) 33.Qe6 Kh8 34.Na5 (34.Qd5?! h6+-) 34...h6 35.Qg6 (better 35.Ncb7 Qd4 36.Nc6 (36.Qc6?! Qe4 37.Kf2 Qf5 38.Ke3 Qe4 39.Kd2 Bg5 40.Kc3 Qe3 41.Kb2 Bf6 42.Ka2 Qd3+-) 36...Qd2 37.Kh3+-) 35...Bc5 (35...Qb5 A) 36.Nab7?? Qe2 37.Kh3 A1) 37...Nd4?! 38.Qd3 (38.Qa6 Qh5 39.Kg2 Qf3 40.Kh3 Ne2 41.Qa8 Kh7 42.Qh8 Kh8 43.Nd6 Nf4) 38...Qf2 39.Nd7-+ (39.Qa6 Nf3 40.Kg4 Ng1 41.Qd3 g6 42.Qc3 d4 43.Qd4 Qd4 44.Ne4 Qe4); A2) 37...Qf1 38.Kg4 Nd4-+; B) 36.Ncb7 Qe2 37.Kh3 Nd4 38.Qe8 Kh7-+; C) 36.Qe8 Kh7 37.Kf2= (37.Ncb7 Qe2 38.Kh3 Qf1 39.Kg4 g5 40.Qf7 Qf7 41.h4 Nd4 42.Nd6 h5 43.Kh3 Qf1 44.Kh2 Nf3; 37.Nab7 Qe2 38.Kg1 Nd4 39.Qh5 Qh5 40.Nd3 Qd1 41.Ne1 Qe1 42.Kg2 Qe2 43.Kh3 Qf1 44.Kg4 Qf5)) 36.dc5 Qc7 (36...Qb5 37.Qe8 Kh7 38.Kf2=) 37.Qd6 (37.Nc6!? bc6 38.Qe8 Kh7 39.Qa8+-) 37...Qd6+= 38.cd6 Nd8 39.Nb3 Kg8 40.Nc5 Kf7 41.a4 Kf6 (41...b6 42.Na6 Ke6 43.Nc7 Kd6 44.Ne8 Ke5 45.Ng7=) 42.a5+- Nc6 (42...g5 43.h3+-) 43.Nb7+= Ke6 (43...Nb4?? 44.d7 Nc6 45.d8Q Nd8 46.Nd8+-) 44.Nc5 Kd6 45.Na6 Nd4 (45...d4!?+=) 46.Kf2 Kc6 47.Ke3 (47.Nc5 h5+-) 47...Nf5? (better 47...Ne6!?+=) 48.Kd3+- h5 (48...g5 49.g4 Nh4 50.Nc5+-) 49.Nc5 g5 Black intends h4 50.a6 Kb6 51.b5! g4? (51...Kb5 52.a7 Passed pawn) 52.Na4 Ka7 53.Nc3 h4 54.gh4 Nh4 55.Nd5 Nf5 (55...Nf3 56.Kc4 Ne5 57.Kb4 Nf7+-) 56.Kc4 g3 57.hg3 Ng3 (57...Ng7 58.Kb4 Ne6+-) 58.Kc5 White prepares the advance b6 58...Ne4 59.Kc6 Ng5 (59...Nd2 60.b6 Ka6 61.b7 Nb3 62.b8Q Na5 63.Kc5 Nb7 64.Kb4 Nd6 65.Qb6) 60.b6 (60.b6 Ka6 61.b7 Ka7 62.Kc7 Ne6 63.Kc8 Ka6 64.b8Q Ka5 65.Qb6 Ka4 66.Qb4) 1–0. bulent_2010 (2760) – mizuzul (2255), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nc6)

    5.d4 d6 6.Nf3 Bg4 7.d5+/- Ne5?? (better is 7...Nb8+/-) 8.Ne5+- Qa5 (8...de5 9.Qg4 Qb6 10.Nc3+-) 9.b4 (better is 9.Bd2 Bd1 10.Ba5 a6 11.Nf7 Kf7 12.Kd1 g6+-) 9...Bd1 10.ba5 de5 11.Kd1 a6 12.Ra2 Rd8 13.Rb2 e6 (13...Rd7 14.Rc2+-) 14.Rb7 ed5 15.Ba6 Nf6 (15...de4 16.Ke2 Bc5+-) 16.Bb5 Nd7 17.ed5 Bc5 18.Be3 Be3 19.fe3 Ke7 20.Ke2 e4 21.d6! Ke6 22.Rd1 Ne5 23.Re7 Kf6 24.Rf1 Nf3 25.gf3 Rd6 26.Re4 Rc8 27.Rd1 Rc2 28.Rd2 Rcd2 29.Nd2 Kg5 30.a6 f5 31.Rd4 Re6 32.a7 f4 33.Rf4 Kh6 34.a8Q g5 35.Qf8 Kh5 36.Be8 Rg6 37.Rg4 h6 38.h4 gh4 39.Bg6# 1–0. Howell,Jason (1955) – Pachta,Mickey (1615), Southwest op U2000, 1999. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Nf3 d6 6.d4 g6 7.Bb2 Bg7 8.Be2 Bg4 9.Nbd2 e5 (9...Nh6 10.0-0+=) 10.de5 de5 11.0-0 Nge7 12.Qe1 (12.Nc4 Bf3 13.Bf3 0-0+=) 12...0-0+= 13.Rd1 Qc7 14.h3 Bf3 (14...Be6 15.Bc4=) 15.Nf3+= (worse is 15.gf3 Nd4-/+) 15...Rfd8 16.Bc4 (16.Qc3 Qb6+=) 16...Na5 17.Rd8 (17.Bd5 Nd5 18.ed5 f6=) 17...Rd8= 18.Bf7 Kf7 19.Ng5 Kg8 20.Ne6 Qb6 21.Ng7? (better is 21.Nd8!? Qd8 22.Qe2=) 21...Kg7-/+ 22.Be5 Kg8 23.Qc1 Qe6 24.f4 Rc8 25.Qb2 Qb3 26.Qf2 Nc4 27.Bf6 Kf7 28.Be7 Ke7 29.Qh4 Ke8 30.Qh7-/+ Qb6 31.Kh1 Ne3 32.Re1 Rc2 33.f5 Ng2 34.Qg8+- Ke7 35.Qg7 Ke8 36.f6 Qe6 37.Qh8 Kd7 38.Rd1 Kc6 39.e5?? Qe5?? 40.Qc8+- Qc7 41.Qe6 Kb5 42.Qb3 Ka6 43.Qa4 Qa5 44.Qc2 (44.Qc2 Ne3 45.Qe2 Qb5 46.Rd6 b6 47.Qb5 Kb5 48.f7+-) 1–0. Harayssi,Zaki (1980) – Gulsoy,Mustafa Alpago, World Amateur Chess Championship, 2011. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Nf3 d6 6.Be2 Nf6= 7.Nc3 Bg4 8.0-0 g6 (8...d5!? 9.ed5 Nd5=) 9.d4+/- Bg7 10.Be3 0-0 11.Rc1 e6 12.Nd2 Be2 13.Qe2 Re8 14.f3 e5 (14...Rc8 15.Qf2+=) 15.de5 (15.d5 Nd4 16.Qd3 Qa5+/-) 15...de5+= 16.Nc4 Nd4 17.Qb2 b5 18.Ne5 Re5 19.Rcd1 Nf3 20.Rf3 Qe8 (20...Qb8 21.Bd4 Re6 22.Nd5+/-) 21.Bd4 Nd7 (21...Re6!? 22.Rdf1 b4 23.ab4 Qe7+-) 22.Nd5+- Rc8 23.Rdf1 (23.Rf2 Nc5 24.Be5 Be5+-) 23...f5+/- 24.ef5 Rd5 25.Bg7 Rf5 26.Bh8 Qe7 27.Rf5 gf5 28.h3 (28.Bd4 a6+/-) 28...Rf8+= 29.Bd4 a6 (29...Nc5 30.b4 Ne4 31.Qb3 Qf7 32.Qe3+=) 30.Qc3 (30.Qc1 Qd6 31.Qg5 Qg6+/-) 30...Qe6 (30...Qd6 31.b4+=) 31.Re1 Qg6?? (better is 31...Qd6+/-) 32.Re7+- Nf6 33.Re6 Kg7 34.Ra6 1–0. Krylov,Mikhail – Lysyj,Igor (2225), RUS–ch U14 Togliatti, 2000. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.cb3 d5

    5.Nc3 de4 6.Ne4 Nd7 7.Nf3 Ngf6 8.Nf6 Nf6 9.Bb2 a6 10.Bf6 gf6 11.d4 Qd5 12.g3 Qe4 13.Qe2 Bf5 14.Qe4 Be4 15.Bg2 0-0-0 16.0-0 e6 17.Rfd1 Bh6 18.Ne1 Bg2 19.Kg2 Rd5 20.Rd3 Rhd8 21.Rad1 Bf8 22.a4 Bg7 23.f4 Kb8 24.Kf3 Bf8 25.Ke2 Rc8 26.Ng2 ½–½. Kravtsiv,Martyn (2450) – Pavlov,Sergey (2000), Kiev Sport Union–ch, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5)

    5.ed5 Qd5 6.Nc3 Qd6 7.Bc4 Nf6 8.Bb2 a6 9.b4 b5 10.Bb3 Bb7 11.Nf3 e6 12.0-0 Ng4 13.Re1 Qb6 (better is 13...Bf3!? 14.Qf3 Qh2 15.Kf1 Qh4+=) 14.d4+/- Nc6 15.h3 Nf6 16.Be6 fe6 17.Re6 Be7 18.d5 0-0-0 19.Qb3 Bd6 20.dc6 Bc6 21.Rc1 Kb7 22.Ne5 Bd7? (22...Be5 23.Re5 Rd2 24.Re7 Ka8 25.Nd1+-) 23.Nd7 (23.Rf6 gf6 24.Nd5 fe5 25.Nb6 Bc6+-) 23...Rd7 24.Ne4 Ne4 25.Qd5 Kb8 26.Qe4 (26.Re4?? Bh2 27.Kh2 Rd5 28.Bg7 Rg8-+) 26...Rf8 27.Re8 Re8 28.Qe8 Rd8 29.Qe4 g6 30.Rc6 Qb7 31.Be5 Be5 32.Qe5 Ka8 33.Rc7 (33.Qc5 Qa7 34.Rb6 Rd1 35.Kh2 Qd7 36.Ra6 Kb8 37.Rb6 Ka8 38.Qf8 Qd8 39.Qf3 Qd5+-) 33...Qb6 34.Qe7 (better is 34.Rh7!? Qd4 35.Qc7 Qd1 36.Kh2 Qd6 37.Qd6 Rd6 38.h4+-) 34...Rd1+/- 35.Kh2 Qd6 (better is 35...Kb8!? 36.Rc5 Qd6 37.Re5 Rd2+-) 36.Qd6+- Rd6 37.Rh7 Rd3 38.Rg7 Ra3 39.Rg6 Ra4 40.Kg3 Kb7 41.Rg4 a5 42.Rg7 Kc6 43.ba5 Ra5 44.f4 b4 45.Re7 b3 46.Re1 b2 47.Rb1 Rb5 48.Kg4 Kd6 49.f5 Ke7? 50.Kg5+- Kf7 51.g4 Kg7 52.h4 Rb4 53.h5 Rb6 54.Kf4 Rb5? 55.g5 Kf7 56.h6 Rb4 57.Kg3 Kf8 58.g6 Kg8 59.h7 Kh8 60.f6 Rg4= ½–½. Manhardt,Thomas – Bonstingl,Georg, AUT–ch U18 Austria, 1993. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5)

    5.ed5 Qd5 6.Nc3 Qd8 7.d4 g6 8.Bf4 Bg7 Attacks the isolani on d4 9.Nb5 Na6 10.Nf3 Nf6 11.Bc4 Nd5 12.Qd2 0-0 13.Bh6 Nac7 14.Nc7 Nc7 15.h4 Bg4 (15...b5 16.Be2+=) 16.Bg7+- Kg7 17.Ne5 h5 (17...Be6 18.h5 Rh8 19.Be6 Ne6 20.d5+-) 18.Ng4 hg4 19.h5 Qd6 20.hg6 Qg6 21.Bd3 (21.Qf4 Rac8+-) 21...f5 22.0-0-0 (22.Rc1 Nd5+-) 22...Nd5 23.Rhe1 e6 24.Bc4 Rad8 25.Re5 Nc7 26.Rde1 White prepares d5 26...Rf6 27.Qa5 Rd7 28.Qa7 Qh6 29.Kc2 Qf4 30.d5 (30.R1e2 Qd4 31.Qd4 Rd4 32.Be6 Ne6 33.Re6 Re6 34.Re6 Kf7+-) 30...Nd5+= 31.Bd5 ed5 32.Re7 (32.Kd3 d4 33.Re7 Rf7+-) 32...Rf7= 33.Rf7 Rf7 34.Qe3 (34.Kd3!?+=) 34...Rc7 35.Kb2 Qe3 36.Re3 Kf6 37.Rc3 Rh7 38.f4 gf3 39.Rf3 Ke5 40.Kc3 Ke4 0–1. Salim,Djaffer (1735) – Seraoui,Mohcen (2120), Championnat National Individuel Toutes, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5)

    5.ed5 Qd5 6.Nc3 Qe6 7.Be2 Nf6 8.Nf3 Nc6 9.d4 Nd5 10.Bd2 Qd6 11.0-0 e6 12.Re1 Be7 13.Nd5 Qd5 14.Bc3 Bf6 15.Qc2 0-0 16.Bc4 Qh5 17.Ne5 Be5 18.de5+/- b6 19.Re3 h6 20.Rh3 Qg5 21.Qe2 Bb7 22.Rg3 Qh4 23.Rg4 Qe7 24.Bd2 Kh8 25.Bh6 gh6 26.Qe3 f5 27.Rg6 Rg8 28.Rh6 Kg7 29.Rf6 Kh8 30.Qh3 Qh7 31.Rh6 Rg7 32.Rd1 Rag8 33.Rh7 Rh7 34.Qe3 Ne7 35.f3 Nd5 36.Bd5 Bd5 37.Rc1 Rh3 38.g3 Rh4 39.Rc8! Rc8 40.gh4 Kh7 41.Kf2 Rc2 42.Kg3 Rb2 43.Kf4 Rb3+/- 44.Qg1 Rf3 45.Kg5 Kg7?! 46.Kh5 Kf8 47.Qc1 Rf2 48.Qc8 Ke7 49.Qc7 Kf8 50.Kg6 Rg2 51.Kf6 Kg8 52.Qf7 Kh8 53.h5?? f4 54.h6 f3 55.Ke7 Rg8 56.Qf6 Kh7 57.Kf7 f2 58.Qf2 Rg5 59.Ke7 Kh6 60.Kd6 Kh5? 61.Qf7 Kg4 62.Qa7 b5 63.Qh7 Rh5 64.Qg6 Rg5 65.h3! Kh4 66.Qf6 Kh5 67.Qh8 Kg6 68.h4 Rh5 69.Qf6 Kh7 70.Qf4 Ba2 71.Qe4 Rf5 72.Qc2 Bc4 73.a4 Kh6 74.ab5 Bb5 75.Ke6 (75.Ke6 Rf1 76.Ke7+-) 1–0. Toshev,Yury – Filipov,Filip, BUL–ch Sofia, 1948.

    5.e5 Bf5 6.Nf3 e6 7.d4 Ne7 8.Nc3 Nec6 9.Be2 Be7 10.0-0 0-0 11.Be3 Nd7 12.Bd3 Bd3 13.Qd3 Na5 14.Nd2 Rc8 15.Rfc1 a6 16.b4 Nc4 17.Nc4 Rc4 18.Na4 b5 19.Nc5 Bc5 20.bc5 Nb8 21.a4 Nc6 22.ab5 ab5 23.Qb3 Qb8 24.Rab1 Rc1 25.Rc1= b4 26.f4 Qb5 27.Ra1 Rb8 28.f5 Na5 29.Qd1= ef5 30.Qf3 b3 31.Bc1? b2-+ 32.Bb2 Qb2 33.Ra5 Qd4 34.Kf1 Rb1 35.Ke2 Qd1 (35...Qd1 36.Ke3 Qc1 37.Kd4 Qc4 38.Ke3 f4 39.Qf4 Rb3 40.Kf2 Qf4 41.Ke1 Qc1 42.Ke2 Qc2 43.Ke1 Rb1) 0–1. Matseyko,K (2300) – Efremova,Y (2085), 3rd UKR Games Women (2), 2007.

    5.ed5 Nf6

    6.Bb2 Nd5 7.Nc3 Nc6 8.Qf3 Nc7 9.Bc4 Be6 10.Ne4 Bc4 11.bc4 e5 12.Ne2 Be7 13.Qg3+= 0-0 14.Be5 Ne5 15.Qe5 f5 16.N4c3 Bf6 17.Qg3 Ne6 18.0-0 Qd2= 19.Ra2 Qg5 20.Qf3 Rf7 21.Rd1 Re8 22.Rad2 Nc5 23.Rd5 Re5 24.Ng3 Rfe7 25.h3 f4 26.Nge4!+/- Ne4 27.Ne4 Qg6 28.Rd8 Re8 29.Nf6 Qf6 30.Re8 Re8 31.Qb7 Qc3 32.Qd5 Kh8+/- 33.Qe4! Rg8 34.Rd3 Qc1 35.Kh2 h6 36.Qd4 Re8 37.Qd7 Rg8+/- 38.Qf7 Qc2 39.Rf3 g5 40.h4 Qe4 41.c5 Rg7 42.Qf6 Kh7 43.Qd6 Qf5 44.Qd3 Qd3 45.Rd3 Rc7 46.hg5 hg5 47.Rd5 Kg6 48.Kh3 Kh5 49.g3 fg3 50.Kg3 Rb7 51.Rd3 Rc7 52.Rc3 Rc6 53.Rc4 Kg6 54.Kg4 Kf6 55.Rc3 Kg6 56.f4 gf4 57.Kf4 Kf6 58.Ke4 Ke6 59.Kd4 Kd7 60.Rh3 Rg6 61.Kd5 Rg5 62.Kc4 Kc6 63.Rh6 Kb7 64.Rd6 Rg1 65.Rd4 Kc6+/- 66.Rd6 Kb7 67.a4 Rc1 68.Kb4 Rb1 69.Ka5 Rc1 70.Rd7 Kc8 71.Ra7 Rc5 72.Kb6 Kb8 73.Rg7 Rc8 74.a5 Rf8 75.Rg6 Re8 76.a6 Rf8 77.Rh6 Rg8 78.Re6 Rh8 79.Rf6 Rg8 80.Rf5 Rg6+= 81.Kb5 Ka7 82.Re5 Rb6= ½–½. Yakivchik,M (2310) – Dolzhikova,K (2230), TCh–UKR Alushta UKR, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

    6.Bb2 Nd5 7.Qf3 A) 7...e6 8.Bc4 (8.Nc3 Nc6 9.Nd5 ed5 10.Ne2 Qg5 11.Rc1) 8...Nb6 9.Bd3 Bd7 10.Be4 Bc6 11.d3; B) 7...Nb6 8.Bb5 (8.Qg3 Nc6 9.Bb5 Qd5 10.Bc6 Qc6 11.Ne2) 8...Bd7 9.Nc3 Nc6 10.Ne4 a6 11.Ng5; C) 7...Nc6 8.Bb5 (8.Bc4 Nf6 9.Qe3 Bf5 10.Bf6 gf6 11.Nf3) 8...a6 9.Bc6 bc6 10.Ne2 Rb8 11.Be5.

    6.Bb2 Nd5 7.Nf3 Nc6 8.Bc4 Bg4 9.0-0 e6 10.h3 Bh5 11.Re1 Be7 12.g4 Bg6 13.Bg7 Rg8 14.Bh6 Bb1 15.Rb1 (15.Qb1!? Rg6 16.g5+=) 15...Rg6 16.Be3 h5 17.Bb5 Qd6 (17...Ba3 18.Ne5 Ne3 19.Re3+/- (19.fe3?! Qc7 20.d4 hg4=); 17...Ne3?! 18.Re3 Bd6 19.Bc6 bc6 20.g5=) 18.g5 Ne3 19.de3 Qa3 20.h4 Bf6 21.Bc6 bc6 22.Qc2 Rc8 23.Qe4 Qc5 24.Red1 Qf5 (24...a5!?+=) 25.Qf5+/- ef5 26.Kf1 Bd8 (26...Bg7 27.Rbc1+/-) 27.Nd4+- Bc7 28.Nf5 Rb8 29.f4 Rb4 30.Rd4 Rd4 31.Nd4 (worse is 31.ed4 Bf4 32.Ra1 f6 33.Re1 Kf7+/-) 31...c5 32.Nb5 Bb8 33.Rc1 Rc6 34.Nd4! Rc8 (34...cd4 35.Rc4) 35.Nf5 Kd7 36.Ng7 (36.Rd1 Kc7+-) 36...Bd6 (better is 36...Kc6+-) 37.Rd1 Kc6 38.Nh5 Rh8 39.Ng3 a5 40.h5 Rb8 41.Nf5 Bf8 42.h6 1–0. Muzychuk,Anna (2375) – Tairova,Elena (2240), EU–ch U14 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

    6.Bb5 Bd7 7.Bc4 g6 8.Bb2 Bg7 9.Nc3 0-0 10.a4 Bg4 11.f3 Bc8 12.Nge2 b6 13.b4 Bb7 14.Qb3 a5 15.b5 Nbd7 16.d4 Rc8 17.Ba3 Ne8 18.0-0 Nd6 19.Bd3 Nf6 20.Kh1 Rc7 21.Ne4 Nd5 22.Nd6 ed6 23.Be4 Ne7 24.Rad1 Re8 25.d5 Nf5 26.Qd3 Bc8 27.Rc1 Rc1 28.Rc1 Bd7 29.Qb3 Qg5 30.Rc7 Qd2 31.Ng1? Ne3-+ 32.Rc2 Nc2 33.Bc2 Re1 (33...Re1 34.Bc5 Bd4 35.Qb1 Bh3 36.gh3 Bg1 37.Bd6 Bc5 38.Qe1 Qe1 39.Kg2 Qg1) 0–1. Kravtsiv,M (2445) – Kuzubov,Y (2555), 75th ch–UKR m (2), 2006.

    6.Bb5 Bd7 7.Bc4 g6 8.Nc3 Bg7 9.Nge2 0-0 10.0-0 Na6 11.d4 Nc7 12.Bf4 Bf513.Bc7 Qc7 14.Ng3 Ng4 15.Nce4 Qf4 16.Qf3 Qf3= 17.gf3 Be4 18.Ne4 Nf6 19.d6+= e6 20.Rad1 Rfd8 21.d5 Ne4 22.fe4+= e5 23.Be2 Bf8= ½–½. Kravtsiv,M (2460) – Ipatov,A (2285), ch–UKR U20 Lviv UKR (6), 2007.

    6.Bb5 Bd7 7.Bd7 Qd7 8.Nf3 Nd5 9.0-0 Nc6 10.Nc3 0-0-0 11.Bb2 Nf4 12.d4 Qg4 13.g3 h5 14.Kh1 Nd5 15.Rc1 Kb8 16.Re1 f6 (16...e6 17.Ne5 Ne5 18.de5=) 17.b4 (17.Nd5 Rd5 18.Qe2 g5+=) 17...Nc3 18.Rc3 e5 (worse is 18...Nd4 19.Rd3 e5 20.Bd4 ed4 21.Nd4 Qd1 22.Rdd1+/-) 19.Rce3 ed4 20.Re4 Qf5 21.Nd4 Nd4 22.Rd4 Rc8 23.Rd5 Qf2 24.Bc1 g5 25.Re8 Be7?? (25...Qb6 26.Be3 Qc6 27.Ba7 Ka7 28.Rc8 Qc8 29.Qd4 Kb8+-) 26.Rh8?? (better is 26.Re7 Rc2 27.Rd2 Rd2 28.Bd2+-) 26...Rh8+= 27.Rd7 h4 28.Re7 hg3 29.Rb7 Kb7 30.Qd5 Kc7 31.Qf7 Kd8 32.Qd5-+ Ke7 33.Qb7 Kf8 34.Qc8 Kg7 35.Qd7 Kg6 36.Qd3-+ Qf5 37.Qg3 Qf1 38.Qg1 Qf3 39.Qg2 Qd1 40.Qg1 Rd8 41.Be3 Qf3 (41...Qf3 42.Qg2 Qe3 43.Qc2 f5-+) 0–1. Strater,Heinz (2005) – Kaspret,Guido (2295), Neumarkt am Wallersee AUT, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 b3 4.cb3= d5 5.ed5 Nf6)

    6.Bb5 Nbd7 7.Nc3 a6 8.Bd7 Qd7 9.Qf3 b5 10.Nge2 Bb7 11.Nf4 Rd8 (11...g5 12.Nd3 g4 13.Qg3 Bd5 14.Nd5 Qd5 15.Bb2=) 12.0-0 Nd5 13.Ncd5 Bd5 14.Qg3 f6 (14...Qf5 15.b4=) 15.Bb2 Bf7 16.d4 g6 17.h4 (17.Nd3 Qc8 (17...Bb3?? 18.Nc5 Qd5 19.Nb3+-) 18.Nc5 Rd6+/-) 17...Bg7 (17...Qd6 18.Qc3 Bg7 19.Nd3=) 18.h5 (18.Rfe1 f5=) 18...g5 (18...Bh6 19.Rae1=) 19.h6 (better is 19.Nd3!? f5 A) 20.Qg5?! Rg8 (20...Bd4? 21.Bd4 Qd4 22.Rfe1+-) 21.Qe3 Bd4 22.Bd4 Qd5=; B) 20.Rfe1+=) 19...Bh6 (better is 19...gf4 20.hg7 Rg8 21.Qf4 Rg7+=) 20.Qh2?? (better is 20.Nd3 g4 21.Nc5=) 20...gf4-+ 21.Qh6 Qg4 22.f3-/+ Qg5 23.Qg5 fg5 24.Rfe1 Bb3-+ 25.Rac1 Bc4 26.a4 Kf7 27.ab5 ab5 28.Ba3 e6 29.Bb4 h6 30.Ra1 Ra8 31.Kf2 Ra4 32.Ra4 ba4 33.Ra1 Ra8 34.g3 fg3 35.Kg3 Kg6 36.f4 Bb3 37.fg5 hg5 38.Kg4 Rh8 39.Bc5 Rh4 40.Kg3 Kf5 41.Re1 Rg4 42.Kh3 Re4 43.Rf1 Rf4 44.Re1 Rf3 45.Kg2 Bd5 46.Kg1 a3 47.Be7 a2 (47...a2 48.Ra1 Rh3-+) 0–1. Zhdanov,Vladimir – Abrashkin,Boris (2370), Samara–ch, 2001. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

    6.Bb5 Nbd7 7.Nc3 a6 8.Be2 =.

    6.Bb5 Nbd7 7.Nc3 g6 8.Bb2 Bg7 9.Qc2 0-0= 10.Nge2 Nb6 11.Ng3 Nbd5 12.h4 Nf4-/+ 13.Nce2 Ng2-+ 14.Kf1 Qb6 15.Bc4 Ng4 16.Ne4 Bf5 17.Bg7 Be4 18.Bd4 Qc6 19.Qc3 N2e3!! 20.de3 Bh1 21.Nf4 b5 22.Be2 Nh2 23.Kg1-/+ Nf3 24.Kh1 Nd4 25.Qc6 Nc6 26.Bb5 Ne5 27.Rg1 Rab8 28.Ba4 Rfd8 29.h5 Kg7 30.b4 Rd2 31.hg6 hg6 0–1. Berger,C (2080) – Andrianov,N (2435), Foxwoods Open (2), 2001.

    6.Bb5 Nbd7 7.Nc3 g6 8.Bb2 Bg7 9.d6 0-0 10.Nf3 (10.de7 Qe7 11.Nge2 Rd8+=) 10...ed6 11.0-0 a6 12.Be2 b5 13.b4 Bb7 14.a4 ba4 15.Na4 Re8 16.Ra3 Nd5 17.Bg7 Kg7 18.Bc4 Qf6 19.Bd5 Bd5 20.Re3 Bf3 21.Rf3 Qd4 22.Qa1 Qa1 23.Ra1 Rab8 24.Rf4 Ne5 25.h3 Nd3 Attacking the isolated pawn on b4 26.Rd4 Nb4 27.Rd6 Red8 28.Rd8 Rd8 29.Nc5 Exerts pressure on the isolated pawn 29...Rd2 30.Na6 (30.Ra4 Rc2 31.Na6 Nd3=+) 30...Nd3-/+ 31.Rf1 Rc2 32.g3 f5 33.Kg2 f4 34.Kf3 g5 35.h4 gh4 36.gf4 Rc4 37.Rh1 (37.Rb1 h3-/+) 37...h3 (37...Rf4!? 38.Ke3 Nf2 39.Rg1 Kf6 40.Kf4 Nh3 41.Kg4 Ng1 42.Kh4 Kg6-/+) 38.Rh3=+ Rf4 39.Ke3 Ra4 40.Rg3 Kf7 41.Kd3 ½–½. Bonafede,Alessandro – Mogranzini,Roberto, 3rd Spoleto Italy, Team Championship, 2011. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

    6.Nc3 g6 7.Bb2 Bg7 8.Bc4 0-0 9.Nge2 Nbd7 10.Nf4 Nb6 11.Qf3 Bg4 12.Qg3 Bf5 13.0-0 Nc4 14.bc4 Qb6 15.Na4 Qa5 16.Nc3 Qb6 17.Na4 Qa5 18.Nc3 Qb6 19.Na4 Qa5 20.Nc3 Ne4 21.Ne4+= Bb2 22.Rae1 Be4 23.Re4+= Qa3 24.Re3 Qd6 25.Rfe1 Rfe8 26.Nd3 Qg3= 27.hg3 Bf6 28.d6 e6 29.Rf3 Bg7 30.c5 Red8 31.Ne5 Be5 32.Re5 b6 33.d4+= Rac8 34.Kf1 Rc6 35.Ke2 bc5 36.dc5+/- Rb8 37.Ra3 a6 38.Kd3 Kf8 39.Kc4 Ke8+= 40.g4 Kd7 41.Rf3+/- Ke8 42.g5 Rb2 43.g4 Rc2+= 44.Kd4 Rd2 45.Ke3 Rc2 46.d7+= Kd7 47.Rf7 Ke8 48.Rh7 R2c5 49.Rc5 Rc5 50.f4 Kf8 51.Ra7 e5? 52.f5+- Rc4 53.Ra8 Kf7 54.Ra6 Rg4 55.Rf6 Kg7 56.Rg6 Kf7 57.Rf6 Kg7 58.Ra6 Rg5 59.Ke4 Rg2 60.Ke5 Re2 61.Kd5 Kf7 ½–½. Zherebukh,Y (2155) – Kruglyakov,P (2215), TCh–UKR Alushta UKR (9), 2005.

    6.Nf3 Nd5 7.Bb5 Bd7 8.Bd7 Qd7 9.0-0 Nc6 10.d4 e6 11.Be3 Be7 12.Qd3 0-0 13.Nbd2 Rfd8 14.Rfd1 Rac8 15.b4 Nb6 (15...a5 16.ba5 Na5 17.Ne4+=) 16.Nb3 Qd5 17.Nc5 Bc5 18.bc5 Nd7 19.Rab1 (better is 19.Qb5!?=) 19...Nc5!-/+ 20.Qb5 b6 0–1. Verellen,Jef (1790) – Jansen,Ru (2165), 27th Geraadsbergen Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

    6.Nf3 Nd5 7.Nc3 Nc3 8.dc3 Qd1 9.Kd1 Nc6 10.Be3 Bf5 11.Kc1 0-0-0 12.Kb2 e5 13.Ng5 Rd7 14.Bc4 Nd8 15.Rad1 (worse 15.Ba7 b5 16.Bb5 Ra7-/+) 15...f6 16.Rd7 Bd7 17.Ne4 b6 18.Rd1 Nb7 19.b4 Kc7 20.f4 (20.Bd5 Nd6+=) 20...Nd6 21.Bd3 Bc6 22.Nd6 Bd6 23.g3 h5 24.h4 Bf3 25.Rd2 Rd8 26.Bg6 Bg4 27.c4 ef4 28.gf4 (28.Bf4?? Bf4 29.Rg2 Be5 30.Kc2 Bd1 31.Kc1 Bf3-+) 28...Be7 29.Rd8 Bd8 30.Kc3 f5 31.Bf2 Bf6 32.Kc2 Kd6 33.Bf7 Bf3 34.Be8 Kc7 35.Ba4 Be4 36.Kc1 a5 37.Bc2 (37.ba5 ba5 38.Be8 Bf3=) 37...ab4 38.ab4 Be7 39.b5 Bc2 40.Kc2 Bc5 (better 40...Bd6 41.Bg3 Bc5=) 41.Bc5+- bc5 42.Kc3 Kb6 43.Kb3 Ka5 44.Ka3 Kb6 45.Ka4 g6 46.Kb3 Kb7 47.Ka3 Ka7 48.Kb2 Kb7 49.Kc2 Ka7 50.Kd3 Kb7 51.Ke3 Ka7 52.Kd3 Kb7 53.Ke3 Ka7 54.Kd3 ½-½. Golubka,P (2495) - Isajevsky,A (2400), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    6.Nc3 Nd5

    7.Bb2 Nc6 8.Bc4 Be6 (8...e6 9.Nf3 Be7 10.0-0 Nb6 11.Bb5 0-0) 9.Nf3 Nf4 10.0-0 Bc4 11.bc4 Qd3.

    7.Bb2 Nc6 8.Nd5 Qd5 9.Qf3 Be6 10.Bc4 Qd6 11.Rd1 Rd8.

    7.Bb2 Nc6 8.Nf3 e6 9.Nd5 Qd5 10.Bc4 Qe4 11.Be2 Be7 12.0-0 0-0 13.Re1 Qg6 14.d4 Bf6 15.Bd3 Qh5 16.Re4 Rd8 The pressure on the isolated pawn grows 17.Qe2 (17.Ne5 Qd1 18.Rd1 Rb8+=) 17...Bd7 18.Rd1 Be8 19.Rf4 Ne7 20.g4 Qh6 21.Bc1 Nd5 22.Rf6 (better 22.g5!? Bg5 23.Rh4 Bc1 24.Bh7 Kf8 25.Rh6 Bh6 26.Qe1=) 22...Qf6-/+ 23.Bg5 Nf4?? (23...Nc3 24.Qe4 Ne4 25.Be4 Qg5 26.Ng5 h6-+) 24.Qe3 (better 24.Qf1 Bc6 25.Bf6 gf6 26.Ne1+-) 24...Nh3-+ 25.Kg2 Ng5 26.Ng5 h6 27.Nf3 Bc6 28.Be4 Be4 29.Qe4 Rd5 30.h4 (30.Rc1 Qe7 31.Qf4 Rad8-+) 30...Rad8 31.Rd3 g6 32.Rc3 h5 33.gh5 Rh5 (33...gh5 34.Rc7-+) 34.Qb7-/+ Qf4 (34...a5 35.Kf1-/+) 35.Rc4 (better 35.Qa7!? Qe4 36.Qe7=+) 35...Qg4 36.Kf1 Rhd5 37.Ne5?? (37.Rc3 a5-/+) 37...Qf5 (better 37...Qh3 38.Ke2 Re5 39.Kd2 Qh4-+) 38.Rc3? (better 38.Nc6 Rb5 39.Qc7 Qb1 40.Kg2 Qe4 41.f3 Qe2 42.Kg3-/+) 38...Rd4-+ 39.Rf3 (39.Qc7 R8d5 40.Nf3 Re4-+) 39…Rf4 (39...Rf4 40.Rf4 Qf4-+) 0-1. Shirazi,K (2355) - Shkapenko,P (2420), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    7.Bb2 Nf4 8.Qf3 e5 9.Bb5 Nd7 10.Nge2 Ne6 11.Qd5 a6.

    7.Bb2 Bf5 8.Nf3 (8.Bb5 Nc6 9.Nf3 Nf4 10.0-0 Nd3 11.Bd3 Bd3; 8.Bc4 Nc3 9.dc3 Nc6 10.Ne2 e6 11.Ng3 Bg6; 8.Nd5 Qd5 9.Nf3 Nc6 10.Rc1 e5 11.Bc4 Qe4) 8...Nc6 (8...Nf4 9.d4 e6 10.Bb5 Nc6 11.Ne5 Rc8) 9.Nd5 Qd5 10.Rc1 e5 11.Bc4 Qe4.

    7.Bc4 Nc3 8.dc3 Qd1 9.Kd1 Nc6 10.Ke2 Bd7 11.Be3 (11.Bd3 Rc8 12.Bd2 e5=) 11...Na5=+ 12.Bd5 e6 13.Bf3 Nb3 14.Rb1 Na5 15.a4 (better 15.Bd4!?-/+) 15...Ba4-+ 16.Nh3 Be7 (16...a6 17.Rb6 Bb5 18.Rb5 ab5 19.Ra1-+) 17.Nf4 Bb3 18.Rhc1 Ba2 19.Ra1 Bc4 20.Ke1 Bd8 21.Rcb1 0-0 22.Bb7 Nb7 23.Rb7 a5 24.Bc5 (24.Ra4 Rc8-/+) 24...Re8 25.f3 (25.Ra4 Ba6 26.Rb3 Rc8-/+) 25...Bf6-+ 26.Kd2 (26.Ne2 a4-+) 26...Red8 (26...Bg5 27.Be3 Red8 28.Kc2-+) 27.Kc2 a4 28.Ba3 (28.Be3 Bb3 29.Kb2 Rab8 30.Rb8 Rb8-+) 28…Bb3 (28...Bb3 29.Rb3 ab3 30.Kb3 Rdb8 31.Kc2 Rb5-+) 0-1. Cioara,A (2415) - Artemiev,V (2715), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    7.Qf3 Nc3 8.Qc3 (8.dc3 Nc6+= (8...Nd7 9.Be3 Qa5 10.b4 Qc7 11.Rc1 g6) 9.Bc4 e6 10.Bf4 Bd7 11.Qg3 Rc8; 8.Bc4 e6 9.dc3 Bd6 10.Bf4 0-0 11.Rd1 e5) 8...e6 (8...Nc6 9.Nf3= Bf5 10.Ne5 Qd5 11.Nc6 Qc6) 9.Bb2 Nd7 (9...Bd7 10.Nf3= Bc6 11.Ne5 a6; 9...Nc6 10.Nf3 f6 11.Bc4 Bd6) 10.Nf3+= Qf6 (10...Nf6 11.Ne5+= a6) 11.Qc2 (11.Rc1 Qc3) 11...Qg6 (better is 11...Qh6+=) 12.Bd3 (better is 12.Qg6 hg6 13.Rc1+=) 12...Qg2-/+ 13.Ke2 Bc5 14.Raf1 (better is 14.Rhf1-/+) 14...b6?? (better is 14...Bf2 15.Ne1 Be1 16.Ke1 e5-/+) 15.Rhg1+/- Qh3 16.Rg7 Rf8 17.Rfg1 Bb7? 18.Be4+- Be4 19.Qe4 Rd8 20.R7g5?? e5 21.R1g4 Qh6?? 22.Ne5+- Qe6 23.Nf7! (23.Nf7 Qe7 24.Qe7 Be7 25.Nd8 Bg5 26.Ne6+- (26.Rg5?! Kd8 27.Rg7 Re8 28.Kd3 Re7+-); 23.Qh7?! Nf6 24.Qf5 Ng4 25.Qe6 fe6 26.Ng4 Bd4 27.Bd4 Rd4+=) 1–0. Zherebukh,Y (2155) – Averjanov,A (2380), TCh–UKR Alushta UKR, 2005.

    7.Qf3 Nf6 8.Bb5 Nbd7 9.d4 g6 (9...a6 10.Bc4=) 10.Qe2 (10.Nge2 a6 11.Bd3 Bg7+=) 10...Bg7 11.Nf3 0-0 12.0-0 a6 13.Bd3 Nb6 14.h3 Be6 15.b4 Rc8 16.Bd2 Bc4 17.Rac1 Bd3 18.Qd3 Nc4 19.Na4 b5 20.Nc5 e5 (20...Nd5 21.Rc2=) 21.de5+= Qd3 22.Nd3 Nd7 23.Bf4 Na3 24.Rfe1 Nc4 25.e6 fe6 26.Re6 Ndb6 27.Be3 Ne3 (27...Nd5 28.Ra6 Nde3 29.fe3=) 28.Rc8= (worse 28.Re3 Rc1 29.Nc1 Nd5=+) 28...Rc8 29.Rb6 Nc2 30.Ra6 Rd8 31.Nc5 (31.Rc6+=) 31...Nb4 (better 31...Rb8!?=) 32.Rb6+/- Bf8 33.Rb5 Rd1 34.Kh2 Bd6 35.g3 Bc5 36.Rc5 Nd3 37.Rc8 Kg7 38.Rc7 Kg8 39.Kg2 Ne1 (39...h6 40.g4+/-) 40.Ne1 Re1 41.g4 g5 42.Rc5 h6 43.h4! gh4 44.Rh5 Kg7 45.Rh4 Kg6 46.Rh5 Ra1 47.Rb5 Ra4 48.Kg3 Rc4 49.Rb6 Kg7 50.f4 Rc3 51.Kh4 Rc1 52.f5 Rh1 53.Kg3 Rf1 (53...h5 54.Rg6 Kf7 55.g5+/-) 54.Rb7+- Kg8 55.Ra7 h5 56.Kh4 hg4 57.Kg4 Rb1 58.Kg5 Rb6 59.f6 Rb1 60.Kg6 Rg1 61.Kf5 Rf1 62.Kg6 Rg1 63.Kf5 Rf1 64.Ke4 ½-½. Riha,Vojtech (2305) - Stinka,Jakub (2260), ch-CZE Junior, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    7.Qf3 Nf6 8.Bc4 Nc6 9.Nge2 Bg4 10.Qe3 e6 11.0-0 Be7 12.Bb2 0-0 13.Nf4 (13.Rfe1 Bf5 14.h3 Rc8=) 13...Na5 (better 13...Bf5=+) 14.Ne4 (better 14.d3!?=) 14...Ne4-/+ 15.Qe4 Nc4 16.bc4 Qd2 17.Bc1 Qd7 18.Bb2 Bf5 19.Qf3 Rfd8 20.Qg3 Bf8 21.Rfe1 Rac8 22.Nh5 (22.Rac1 Qd6-+) 22...Bg6 23.Bf6? (better 23.Nf4-+) 23...Bh5 24.Bd8 Qd8 25.Re4 (25.Qh3 Bg6-+) 25...Bg6 26.Rg4 (26.Ree1 Rc4 27.Rad1 Qa5-+) 26...h5 (26...Bf5 27.Rf4-+) 27.Rg5 Rc4 28.Re1 (28.Rg6 fg6 29.Rf1 Rg4-+) 28...Qf6 (28...Qd2 29.Qe3 Qe3 30.fe3-+ (30.Re3?? Rc1 31.Re1 Re1)) 29.h4 (29.Rb5 Rc3 30.Qb8 Ra3-+) 29...Rc2 30.Re3 (30.Rf1 b6-+) 30...Rc1 (30...Bd6 31.Rge5-+) 31.Kh2 Qa1 (31...Qd4 32.f4-+) 32.Qb8 (32.Qf4 Be7 33.Kg3 Bg5 34.Qg5 Rc4-+) 32...Rh1 33.Kg3 Qg1 (33...Qd4!? 34.Kf3 Bf5 35.Re2-+) 34.Kf3 (34.Qc8 Qh2 35.Kf3 Qh4 36.Rg6 Rf1 37.Rg7 Kg7 38.Qc3 Kg8-+) 34...Rh4 (34...Bf5 35.Rf5 Qd1 36.Re2 Qd3 37.Re3 Qf5 38.Qf4 Qf4 39.Kf4 Rh4 40.Kf3-+) 35.Rg6 (35.Qd8 Rc4 36.Rg6 fg6 37.Qd7-+) 35...fg6 36.Re6 Qd1 37.Re2 (37.Ke3 Qb3 38.Ke2 Qe6 39.Qe5 Qe5 40.Kd3 Qd5 41.Kc3 Rc4 42.Kb3 Qd3 43.Kb2 Qa3 44.Kb1 Rc1) 37...Qd5 38.Kg3 (38.Ke3 Qb3 39.Kd2 Rd4 40.Ke1 Rd1) 38…Rg4 (38...Rg4 39.Kh2 Qg2) 0-1. Hajek,Ji3 (2040) - Michalik,P (2570), Vera Menchik Mem Rapid, 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    7.Nf3 Nc6 8.Nd5 Qd5 9.d4 Bg4 10.Bc4 Qe4 11.Be3 e6.

    5.e5 Nc6

    6.Bb2 a6 A) 7.b4 d4 (7...Bf5 8.Nf3 e6 9.b5 ab5 10.Bb5 Bc5; 7...Nh6 8.Nf3 Bg4 9.h3 Bf3 10.Qf3 e6) 8.b5 Ne5 9.Qa4 Nd7 10.Bd4 e5; B) 7.d4 Bf5 8.Nf3 Rc8 9.Bd3 Nh6 10.0-0 e6; C) 7.Nf3 d4 8.Bc4 b5 9.Be2 d3 10.Bf1 Bf5.

    6.Bb2 d4 7.Nf3 (7.Bb5 Qd5 8.Bc6 bc6 9.Nf3 Qe4 10.Qe2 Qe2) 7...a6 8.Bc4 b5 9.Be2 d3 10.Bf1 Bf5.

    6.Bb2 Bf5 7.Nf3 (7.Ne2 d4 8.Ng3 Bg6 9.Bb5 Qd5 10.Bc6 bc6) 7...e6 (7...a6 8.Nh4 Bd7 9.Be2 d4 10.0-0 Be6) 8.Bb5 Qb6 (8...Nge7 9.Nd4 Bg6 10.Nc3 a6) 9.Nc3 (9.Ba4 Bc5 (9...Bd3 10.Bd4 Qa6) 10.d4 Be7=) 9...Nge7 (9...d4 10.Bc6 Qc6 11.Nd4 Qg2 12.Qf3 Qf3 13.Nf3=) 10.Qe2 (10.0-0 d4 11.Bc6 Nc6=+ (< 11...bc6 12.Na4 Qb5 13.Bd4+/-)) 10...a6=+ 11.Ba4 Ng6 12.0-0 Rc8 13.d4 Be7 14.Qe3= 0-0 15.b4 Rc7 16.Rfc1= Qa7 17.Bc2 Bc2 18.Rc2 Rfc8 19.Rac1 b5 20.Qd3 Bb4 21.Nb5 ab5 22.ab4 Qb6 23.Bc3= Nce7 24.Bb2 Rc2=+ 25.Rc2 Rc4 26.Nd2 Rb4-/+ 27.h4 h5 28.Qf3 Qa6 29.Ba3? Rd4-+ 30.g3? b4 31.Bb2 Rd3 32.Qd1 b3 33.Rc3 Ne5 34.Rd3 Nd3 35.Qb3 Nb2 36.Qb2 Qe2 37.Qc3 Nf5 38.Nf3 f6 39.Kg2 Kh7 40.Qc5 Qe4 41.Qa7 0–1. Yakivchik–Hrabinska,Myroslava (2310) – Zubarev,Alexander1 (2510), TCh–UKR Alushta UKR, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

    6.Bb2 Bf5 7.Nf3 e6 8.Nc3 a6 9.Rc1 Rc8 10.d4 Na5 11.Be2 Ne7 12.0-0 Ng6 13.g3 Be7 14.Nd2 Bh3 15.Re1 Bg5 16.Na4 0-0 17.Rc8 Qc8 18.Bc3 Nc6 19.Nc5 Be7 20.b4 a5 21.Qb3 b6 22.Na4 Qc7 23.Rc1?? (better is 23.b5 Nd8 24.Bd3=) 23...Nd4!-+ 24.Qd1 (24.Bd4 Qc1) 24...Ne2 (24...Qe5?! 25.Bd3 Bf5 26.Bf1 ab4 27.ab4-/+) 25.Qe2 ab4 26.ab4 Bb4! 27.Bb2 Qa7 28.Ra1 Qb8 29.Nb3 b5 30.Nac5 Bc5 31.Nc5 Rc8 32.Bd4 Ne7 33.g4 h5! 34.f3 Nc6 35.Qe3 Nd4 36.Nd7 Qc7 37.Nf6 gf6 38.ef6 Qc2 39.Ra2 Nf3! (39...Nf3 40.Qf3 Qa2 41.Qh3 Qa7 42.Qe3 Qe3 43.Kf1 Rc1 44.Kg2 Rg1) 0–1. Hrabinska,Myroslava (2250) – Aksionova,Tatiana (2235), Evpatoria tt U20 Girls, 2006. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

    6.d4 Qb6 7.Bb2 Bf5 8.Bd3 Bd3 (8...Nd4?? 9.Bd4 Qg6 10.Bf5 Qf5 11.Nc3+-) 9.Qd3 e6 10.Ne2 Nh6 11.0-0 Be7 12.b4 0-0 13.Nbc3 Qd8 14.Rac1 Qd7 15.Nd1 Rfb8 16.Ne3 b5 17.Rc3 a6 18.Rfc1 Rc8 19.Qc2 Na7 20.Rc7 Qd8 21.Nf4 g6 22.Nd3 Kf8 23.Rc8 (23.g4 Rc7 24.Qc7 Qc7 25.Rc7 Bd8+-) 23...Rc8+= 24.Nc5 Bc5 25.dc5 Nc6 26.Qd2 (26.f4 Qh4 27.g3 Qh5+=) 26...Qg5 (26...d4 27.Nc2 Nf5 28.Qf4=) 27.Qe2 Rd8 28.g3 Qe7 (28...d4 29.f4 Qe7 30.Nd1=) 29.Rd1 Rb8 (29...Nf5 30.Ng4 Qc7 31.Nf6+=) 30.Qf3 a5 31.Bc1 Ng8 (31...Ne5? 32.Qf4 Qg5 33.Qg5 Nf3 34.Kg2 Ng5 35.Nd5 ed5 36.Bg5+-; worse 31...ab4 32.Nd5 ed5 33.Bh6 Kg8 34.ab4 (34.Qd5? Rd8 35.Qf3 Rd1 36.Qd1 ba3-+) 34...Nb4 35.Kg2+-) 32.Ng4 (better 32.Nc2!?+=) 32...h5=+ 33.Nf6 Ne5 34.Nh7 Kg7 35.Qf4? (better 35.Qc3!? f6 36.Ng5 ab4 37.ab4-/+) 35...Nc6-/+ (worse 35...Kh7 36.Qe5 Rc8 37.ba5 Rc5 38.Bb2+=) 36.Ng5 f6 (better 36...Nf6-/+) 37.Qc7= fg5 (better 37...Qc7!? 38.Ne6 Kf7 39.Nc7 ab4=) 38.Qc6+- g4 39.Bf4 Rb7 40.ba5 (better 40.Be5 Kf7 41.Rd5 (41.ba5?! Qd7 42.Qd7 Rd7+-) 41...ed5 42.Qd5 Ke8 43.Qg8 Qf8 44.Qe6 Re7 45.Qc8 (45.Qg6?! Qf7 46.Qc6 Rd7+-) 45...Kf7 46.Qf8 Kf8 47.Bd6 ab4 48.ab4+-) 40...Nf6?? (better 40...Qd7 41.Qd6 Ra7+-) 41.a6+- Rd7 42.Qb5 Ne4 (42...Qf7+-) 43.c6 Ra7 44.Bb8 (44.Bb8 Kh6 45.Ba7 Qa7 46.Qb2+-) 1–0. Riha,Vojtech (2215) – Bulockin,Martin (2095), ch–CZE Junior (10), 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

    6.d4 Qb6 7.Bb2 Bf5 8.Nf3 e6 9.Nc3 Nge7 10.b4 Ng6 11.Na4 Qc7 12.b5 Na5 13.Rc1 Nc4 14.Bc4 dc4 15.d5 (15.0-0!?=) 15...ed5 16.Nc3 (16.Qd5 Nf4 17.Qc4 Ng2 18.Ke2=) 16...Rd8-+ 17.Nd5 Qc5 18.0-0? (better 18.b6 Qa5 19.Bc3 Qd5 20.Qd5 Rd5 21.ba7-+) 18...Rd5 19.Qa4 Qb5 20.Qa7 (20.Qc4 Qb2 21.Qd5 Nf4-+ (21...Ba3?! 22.Rc7 0-0 23.Rb7-/+)) 20...Qc5 (better 20...Bc5 21.Qb8 Rd8 22.Qd8 Kd8-+) 21.Qb8 Rd8 22.Qb7 Be7 23.Bd4 Qd5 (better 23...Rd4!? 24.Nd4 Qd4 25.Rfd1-+) 24.Rfd1?? (better 24.Qd5 Rd5 25.Rc4-+) 24…Qb7 0-1. Grabinsky,V (2215) - Peycheva,Gergana (2255), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    6.d4 Qb6 7.Bb2 Bf5 8.Nf3 e6 9.Nbd2 Be7 10.Be2 Nh6.

    6.d4 Qb6 7.Bb2 Nh6 8.Nc3 Bg4 (8...Qd4? 9.Nd5 Qd1 10.Rd1+-; worse is 8...Nd4 9.Na4 Qb3 10.Bd4 Qd1 11.Rd1+-) 9.f3 Be6 10.Na4 Qd8 11.Rc1 Nf5 12.Kf2 h5 13.Rc5 (13.Nc5!?+/-) 13...h4 (13...Bd7!? 14.Ne2 e6+=) 14.Nh3= Bd7 15.Rd5 (15.Be2!?+=) 15...e6-/+ 16.Rb5 (better is 16.Rd7 Qd7 17.d5 ed5 18.Qb1-/+) 16...a6?? (better is 16...Ncd4 17.Rb7 Ba4 18.ba4 Bc5-+) 17.Rb7= Na5?? (better is 17...Ncd4 18.b4 Bc6=) 18.Rd7!+- Kd7 19.b4 Nc6 20.d5 Ke8 21.b5?? Na7?? 22.b6+- Nb5 23.d6 f6 24.f4 fe5 25.fe5 Nfd6 26.ed6 Bd6 27.Bg7 Rf8 28.Bf8 Bg3 29.hg3 Qf6 30.Nf4 Rd8 31.Qh5 Kf8 32.Qc5 Kg8 33.Rh4 Rd2 34.Be2 Re2 35.Ke2 Nd4 36.Kd1 (36.Kd1 Nf5 37.Qc8 Kf7 38.Rh7 Ng7 39.Rg7 Kg7 40.Nh5 Kg6 41.Nf6 e5 42.b7 e4 43.Qg8 Kf6 44.b8Q e3 45.Qd6 Kf5 46.Qgg6) 1–0. Ayza Leon,David (2300) – Perez Pastora,Evarist (2245), Barcelona ESP, 3rd Barri Gotic Open, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 b3 4.cb3= d5)

    6.d4 Qb6 7.Ne2 Bg4 (7...Bf5 8.Nbc3 e6 9.Be3 Rc8 10.Ng3 Bg6) 8.Nbc3 e6 9.f3 Bf5 10.Be3 Ne5.

    6.d4 Bf5 7.Bb2 e6 8.Bd3 Nh6 9.Ne2 Be7 10.h3 Qb6 11.g4 Bd3 12.Qd3 f6 13.ef6 Bf6 14.0-0 Nf7 15.Kg2 0-0 16.f4 Nd6 17.Nd2 a5 18.Rac1 Qa6 (18...a4 19.Qe3 Rae8 20.Qd3-/+) 19.Qe3 (19.Qa6!? Ra6 20.Rc5=) 19...Rae8+= 20.a4 (20.Ng3!?+=) 20...Nf5!-/+ 21.Qf2 (21.gf5 ef5 Combination) 21...Qd3 22.gf5 Qd2 23.Ng3 Qf2 (23...Qb4!?-+) 24.Rf2-/+ Bh4 25.fe6 Re6 26.f5 Bg3 27.Kg3 Re3 28.Rf3 Rf3 29.Kf3 Rf5 30.Kg3 Kf7 31.Rc5 Ke6 32.Rb5 Rf7 33.Bc3 g5 34.Ba5 Nd4-+ 35.Rb6 Kf5 36.Bd2 h5 37.b4? h4 38.Kf2 Ke4 39.Kg2 Kd3 40.Bc1 Ne2 41.Bb2 d4 42.a5 Nf4 43.Kh2 Nd5 44.Rd6 Rf2 45.Kg1 Rb2 46.Rd5 Kc4 47.Rd7 Rb4 0–1. Forster,Richard (2445) – Bauer,Christian (2620), SUI–chT Switzerland, 2008. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

    6.d4 Bf5 7.Nf3 e6 8.Bd3 Nge7 9.Be2 h6 10.0-0 Rc8 11.Nc3 a6 12.Na4 Ng6 13.Be3 Be7 14.Qd2 0-0 15.b4 Bg4 16.Rfc1 Bf3 17.Bf3 Nh4 18.Bg4 Nf5 19.Bf5 ef5 20.Nc5 Bc5 21.Rc5 (worse 21.dc5 d4 (21...Ne5?! 22.Rd1=) 22.Bh6 gh6 23.Qh6 Ne5-/+) 21...Qd7 22.Rac1 Ne7 23.Qc2 Rc5 24.bc5 Nc6 25.Qc3 Qc7 26.Bd2 (26.Qd3 f6 27.e6 f4+/-) 26...Re8 (26...Rb8 27.Qd3+=) 27.Qd3 (27.Rb1 Qe7+/-) 27...Qd7 28.Rb1 Re7 29.h4 (29.Rb6 Qe6+/-) 29...Qe6+= 30.g3 (30.Rb6 Qg6+=) 30...Rd7 31.Kh2 Qg6 32.f3 Qe6 33.Rg1 h5 (33...Re7 34.Re1=) 34.Bc3 Rc7 35.Qe2 Ne7 36.Ba5 Rd7 37.Rb1 (37.Bb6 Nc6 38.Rd1 Ne7+=) 37...f4= 38.g4 (38.Qf2 Qf5 39.Rb2 fg3 40.Qg3 Qd3-/+) 38...hg4 (38...Nc6 39.Bc3 f6 40.Re1 hg4 41.ef6 g3 42.Kg2 Qe2 43.Re2 gf6 44.Kh3-/+) 39.fg4= Qg6 (39...Nc6!? 40.Bc3 f6=+) 40.Rf1+= Qe4 41.Qf2 (41.Qd2 f3 42.Kg3 Nc6+/-) 41...Nc6 (41...Qd3 42.Qf4 Nc6 43.Bb4 Nd4 44.Kg2-/+) 42.Bc3+= b6 43.cb6 Rb7 44.Qb2 (44.Qf4 Qf4 45.Rf4 Rb6 46.Rf2+=) 44...f3 (better 44...Qe3=+) 45.Kg3+/- Qe2 (45...f2 46.Rf2 Qe3 47.Rf3 Qg1 48.Qg2+/-) 46.Rf2 (46.Qe2!? fe2 47.Rb1 e1Q 48.Be1 (48.Re1?! Rb6 49.Rc1 Rb3+=) 48...Nd4 49.Bf2+-) 46...Qd1+/- 47.Rf3 Qg1 48.Kf4 (better 48.Qg2!? Qb1 49.Rf2 Qd3 50.Qf3+=) 48...Nd8= 49.Qf2 Ne6 50.Ke3 Qg4 (50...Qc1 51.Qd2 Qa3=) 51.Rg3 (51.Kd2 Qh5=) 51...Qe4 (51...Qh4!? 52.Kd2 Qh6 53.Qe3 Qh2 54.Kd3 Rb6-+) 52.Kd2=+ Rb6 53.Qg1? (better 53.Rf3=+) 53...Rb1-+ (53...Qh4?! 54.a4-/+) 54.Qe3?? (54.Qf2 Qh1 55.Rf3-+) 54...Qh1 (54...Qh4?! 55.Kc2 Qh1 56.Qd2-+) 55.Kd3 (55.Qf2 Qc1 56.Kd3 Nf4 57.Qf4 Qf4 58.Kc2-+) 55...Qf1 56.Qe2 Nf4 (56...Nf4 57.Ke3 Qe2 58.Kf4 Rf1 59.Kg5 Qe4 60.Rf3 Qf3 61.e6 Rg1) 0-1. Vorobev,A (2165) - Yezhel,Valiantsin (2225), Minsk BLR, 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    6.d4 Bf5 7.Nf3 e6 8.Bd3 Nge7 9.Bg5 Qb6 10.Be7 Ne7 11.0-0 Rc8 12.Qe2 (12.b4!?=) 12...Qb3=+ 13.Bb5 Nc6 14.Nbd2 (14.Rc1 a6 15.Bc6 Rc6 (worse 15...bc6 16.Qa6 Rc7 17.Qa8 Kd7 18.Nc3+=) 16.Rc6 bc6 17.Qa6 Qd1 18.Qf1 Qf1 19.Kf1 Kd7=) 14...Qb2 15.Nh4 (better 15.Bd3 Bg4 16.Qe3=+) 15...Be7 (better 15...Qd4 16.Nf5 ef5-/+) 16.Nf5+= ef5 17.Rab1 (better 17.Qd3!? 0-0 18.Nb3=) 17...Qd4-/+ 18.Nf3 Qe4 19.Qd2 0-0 20.Bd3 Qg4 21.h3 Qh5 22.Rb7 Ba3 23.Qa2 Bc5 24.Qd5 Nb4 25.Qb3 Nd3 26.Qd3 Qg6 27.Rd7 Qe6 28.Rd1 h6 29.Qe2 a5 30.Nh4 (30.Qb5 Qb6 31.Qb6 Bb6-/+) 30...a4 31.Qh5 (31.R7d5!?-/+) 31...Qe5-+ 32.Nf5 Qf6 (32...Qf4 33.Ne7 Be7 34.Re7-+) 33.R7d6 0-1. Vorobev,A (2165) - Zarubitski,Viachaslau (2425), Minsk BLR, 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    6.d4 Bf5 7.Nf3 e6 8.Be2 Nge7 9.Nbd2 Ng6=+ 10.Nf1 (10.g3 Be7=+) 10...Qa5 11.Bd2 Qb6 12.Be3 (12.Ng3 Bg4 (12...Nd4?? 13.Nd4 Bc5 14.Be3+-) 13.Be3 Ba3=+) 12...Ba3!-/+ 13.Ng3 (13.Ra3 Qb4 Double attack (13...Qb4 Decoy)) 13...Bb4 14.Kf1 Bg4 (14...Nge7 15.Nh4-/+) 15.h4 Nge7 (15...h5 16.Ng5 Be2 17.Ne2-/+) 16.h5 h6 17.Rh4 Bf5 18.Bd3 (18.Rf4 0-0-/+) 18...Bd3 19.Qd3 Na5 (19...0-0!?-/+) 20.Rg4=+ Kf8 21.Nh4 (21.Kg1!?=) 21...Qa6-/+ 22.Qa6 ba6 23.Rb1 (23.Nf3 Nec6-/+) 23...Rc8 24.Ne2 Nac6 (24...Kg8 25.Nf4-/+) 25.Rf4 (25.Ra1 Ba5=+) 25...Ke8 26.g4 (26.Rg4 Rg8=+) 26...a5 (26...Na5 27.Kg2-/+) 27.Rf3 (27.Kg2 Rf8-/+) 27...a6=+ 28.Rg3 (28.Ng2 Na7-/+) 28...Na7-/+ 29.f4 Nb5 30.f5 Nc3 (30...Kd7 31.Rb2-/+) 31.Rc1 (31.Nc3 Rc3 32.Rf3 Nc6-/+) 31...Ne4 32.Rc8 Nc8 33.Rf3 Nb6 (33...Rf8 34.fe6 fe6 35.Nf4-/+) 34.fe6 (34.Nf4 Ng5 35.Rf2 Rg8=+) 34...fe6 35.Ng6 Rg8 36.Nef4 (36.Kg2 Na8=+) 36...Kd7 (36...a4 37.ba4 Ng5 38.Rf2=) 37.Nd3= Be7 (37...Ke8 38.Ndf4=) 38.Nc5+= Nc5 (38...Bc5 39.dc5 Nc8 40.Ke2+=) 39.dc5 Nc8 40.Rf7 (40.Ke2 Kc6 41.Ne7 Ne7+=) 40...Ke8= 41.Rf2 (worse 41.Ne7 Ne7 (41...Kf7 42.Ng8 Kg8 43.c6+-) 42.Rf2 Nc6-/+) 41...Na7 42.c6 (better 42.Ke2=) 42...Nb5?? (better 42...d4 43.Bd4 Nc6=) 43.Ne7+- Ke7 44.Bc5 Ke8 45.Bb6 (45.Rf3!?+-) 45...Ke7+= 46.Ba5 (46.Ke2 Nc3 47.Kd3 Ne4+=) 46...Nd4 47.Bb4 Ke8? (better 47...Kd8!?+=) 48.c7+- Kd7 49.Rf7 Kc8 50.Bf8 g6?? (better 50...Rh8 51.b4 Nc6+-) 51.g5+- hg5 (51...Nf5 52.gh6 Nh6 53.Bh6 gh5+-) 52.h6 Nf5 (52...Rh8 53.Bd6 Nf5 54.h7+-) 53.h7 Rh8 54.Bd6 Nh6 (54...Nd6?? 55.ed6 Kb7 56.Rg7+-) 55.Rf6 (better 55.Rg7 d4 56.Bb4+-) 55...Kd7 (55...Kb7 56.Re6 Rh7 57.Re8 Rc7 58.Bc7 Kc7 59.Re6+-) 56.Rg6+- Rh7 57.Rg5 (better 57.Re6! Rh8 58.Rf6+-) 57...Rh8= 58.Rg7 Kc8 59.Re7 (59.b4 Nf5 60.Rf7 Kb7= (60...Nd6 61.ed6 Kb7 62.Rd7+-)) 59...Nf5 60.Re6 d4?? (better 60...Kd7 61.Rg6 Nd6 62.Rd6 Kc7 63.Rd5 Rh3=) 61.Rf6 (61.Ke2 Kb7+-) 61...Ng3 (61...Ng7 62.Ke2 Re8 63.Rf7+-) 62.Kg2 Rg8? (62...Ne4 63.Rf4 Nc3 (63...Nd6?? 64.ed6 d3 65.Kf3+-) 64.Rd4 Nb5+-) 63.Kf3 d3 (63...Nh5 64.Rf5 Ng3 65.Rf7+-) 64.Ke3 Nh5 (64...d2 65.Kd2 Ne4 66.Ke3 Nf6 67.ef6+-) 65.Rh6 Ng7 (65...d2 66.Kd2 Nf4 67.Ke3 Nd5 68.Kd4 Nc7 69.Bc7 Kc7 70.Ra6+-) 66.Kd3 Ne8 (66...Re8 67.Ke4 Ne6 68.Kd5 Nc7 69.Bc7 Kc7 70.Ra6+-) 67.Rh7 Ng7 (67...Kb7 68.Ke4+-) 68.Kc4 Ne6 (68...Nf5 69.Kd5 Ne3 70.Kc6+-) 69.Kd5 Nf4 (69...Re8 70.Rf7 a5+-) 70.Kc6 Ne6 (70...Ne2 71.b4 Nc3 72.Kb6 Nd5 73.Ka6 Nb4 74.Bb4+-) 71.Kb6 (71.Rh4 a5 72.b4 ab4 73.Rb4 Nd4 74.Kd5 Kd7 75.Rd4 Ra8 76.e6 Kc8 77.Rb4 Ra5 78.Kc4 Ra4 79.Ra4 Kb7 80.Kc5 Kc8 81.Ra8 Kb7 82.c8Q) 71...Nd4 (71...a5+-) 72.b4 Ne6 (72...Nc2 73.Ka6 Nb4 74.Bb4 Rg7+-) 73.Ka6 Ng7 74.b5 (74.b5 Kd7 75.b6 Ke6 76.b7 Kf7 77.c8Q Kg6 78.Qg8 Kf5 79.Rg7 Ke4 80.Rg3 Kd4 81.Qg4 Kd5 82.b8Q Kc6 83.Qb5) 1–0. Kryvoruchko,Vita (2205) – Naboka,Sergey (2240), Yuri Privalov IM, 2015. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

    6.Nf3 Bg4 7.Bb2 e6 8.Be2 Rc8 9.0-0 Qb6 10.b4 Nh6 11.h3 (11.Qa4 Nf5=+) 11...Bf3=+ 12.Bf3 Nf5 (12...a5!?=+) 13.Bg4 Nfd4 14.Re1 (14.Nc3 A) 14...Ne5? 15.Na4 Qa6 16.Bd4 Ng4 17.hg4+- (17.Qg4?! Qa4 18.Rfe1 Qa6=); B) 14...a6=) 14...g6 (14...a5 15.Nc3=+) 15.Kh2 (better 15.Nc3 Rd8 16.Rc1+=) 15...h5-/+ 16.Be2 Ne5 17.Nc3 Bd6 (17...Ne2 18.Qe2 Nc4 19.Ra2-/+) 18.Kh1 0-0?? (better 18...a6=+) 19.Bh5?? (better 19.Na4 Qd8 20.Bd4+-) 19...Nd3-+ (19...gh5 20.Na4 Nd3 21.Nb6 Nf2 22.Kg1 Nd1 23.Nc8 Nb2 24.Nd6-/+) 20.Qb1 (20.Na4 A) 20...gh5?! A1) worse 21.Nb6 Nf2 22.Kg1 Nd1 23.Nc8 Nb2 (worse 23...Rc8 24.Bd4 Rc4 25.Be5 Be5 26.Re5+/-) 24.Nd6 Nc2-/+; A2) 21.Qh5 Nf2 22.Kg1 Nh3 23.Kh1 Nf2 24.Kg1 Nh3 25.Kh1 Nf2 26.Kg1 Nh3=; B) 20...Nf2 21.Kg1 Nd1 (21...gh5?! 22.Qh5 Nh3 23.Kh1 Nf2 24.Kg1 Nh3 25.Kh1 Nf2 26.Kg1 Nh3=) 22.Nb6 Nb2 (22...gh5?! 23.Nc8 Nb2 24.Nd6-/+) 23.Nc8 Rc8-+) 20...Nf2 (20...gh5 21.Qd3 Rc4 22.Qe3+-; 20...Ne1 21.Bg6 a6 22.Bh7 Kg7 23.Qe1 Kh7 24.Qe3-+) 21.Kg1 gh5 (21...Nb3 22.Re3 Nd2 23.Qe1-+) 22.Re3 (22.Kf2 Nb3 23.Ke2 Na1 24.Ba1-+) 22...Nf5 (better 22...Rc3 23.Bc3 Ne4-+) 23.Nd5= Qd8 (23...Nh3!? 24.gh3 Qb5 (24...ed5? 25.Qf5 Bc5 26.bc5 Qg6 27.Qg6 fg6 28.Re6+-) 25.Nf6 Kg7 26.Nd7 Kh6 27.Nf8 Rf8=+) 24.Nf6+= Kh8 25.Nh5 (25.Kf2 Bc7 26.Rd3 Bg3 27.Ke2 Bd6+-) 25...Kh7 (better 25...f6!? 26.Rf3 Bc7 27.Rf2 Bb6=) 26.Nf6+/- Kg6 27.Rg3?? (better 27.g4 Be7 28.gf5 (28.Kf2?! Qd2 29.Re2 Qf4 30.Kg1 Bf6 31.gf5 Kh5=+) 28...Kh6 29.Ng4 (29.fe6 Bf6 30.e7 Rg8 31.Kf1 Qd6-+) 29...Ng4 30.hg4+/-) 27…Bg3-+ 0-1. Hrabinska,M (2235) - Perelygin,Igor (2300), Titled Tuesday 2nd June, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    6.Nf3 Bg4 7.Bb5 Qc7 8.0-0 (8.Bb2 e6=) 8...Bf3= 9.Qf3 Qe5 10.d4 Qd4 11.Be3?? (11.Rd1 Qe4 (11...Qa1 12.Qd5 f5 13.Qd7 Kf7 14.Bc4 Kg6 15.Rd3 Nd4 16.Rg3 Kf6 17.Bg5 Kg6 18.Be3 Kf6 19.Bd4 Qd4 20.Qe6) 12.Qg3 0-0-0=) 11...Qe4 (better 11...Qa1 12.Qd5 Qf6-+) 12.Qg3 (12.Qe4 de4 13.Rc1 0-0-0=) 12...Rc8 (12...Qe6 13.Nc3 a6 14.Bc6 bc6 15.Rfe1=) 13.Nc3= Qg6 14.Qh3 (14.Nd5 Qg3 15.fg3 e6=) 14...Qe6=+ 15.Qf3 a6 16.Ba4?? (16.Bc6!? bc6 17.Rac1=+) 16...Nf6 (better 16...b5!? 17.Nb5 ab5 18.Bb5 Qd7-+) 17.Bb6 (17.Bc6 Rc6 18.Bd4-/+) 17...d4 (17...Qd6!?-/+) 18.Rfe1 (18.Ne2 Qd5 19.Nd4 Qf3 20.gf3 Nd5 21.Nc6 bc6=+) 18...Qg4=+ 19.Qg4 Ng4 20.Nd5 e6 21.Nb4 (21.Re4 Nh6-/+) 21...Bb4 22.ab4 0-0 23.Bc6 Rc6 (23...bc6?! 24.h3 Nf6 25.Bd4=+) 24.Bd4 Rfc8 (24...Rd8 25.Bc5-/+) 25.h3 Nf6 26.b5 ab5 27.Ra5 Rc1 (27...b6 28.Rb5 Nd5 29.Kh2-/+) 28.Kf1 (28.Rc1 Rc1 29.Kh2 Kf8=+) 28...Re1 29.Ke1 h6 (29...Nd5!?-/+) 30.Rb5=+ Rc7 31.f3 (31.Bf6!? gf6 32.g4=+) 31...Nd5-/+ 32.Kd2 (32.Ra5 f6-/+) 32...Kh7 (32...Rd7!? 33.Kc2-+) 33.g3-/+ Kg6 34.Kd3 Ne7 35.g4 Rd7 36.Ke4 (36.Kc4 f6-/+) 36...Nc6 (better 36...f5!? 37.Ke3 Nd5 38.Kf2 Nf4-+) 37.Bc3 Ne7 38.h4 (better 38.Bd4!?=) 38...f5 39.Ke5 (39.gf5 Nf5 40.Rb6 Kf7=+) 39...Kf7 40.h5 (40.gf5 Nf5 41.Rb4-/+) 40...fg4 (better 40...g5!? 41.gf5 ef5-+) 41.fg4=+ Rd5 42.Rd5 Nd5 43.Bd2 Nf6 44.Kf4 g6 45.hg6 Kg6 46.Ke5 Ng4 47.Ke6 h5 48.Kd6?? (better 48.Be1=+) 48...h4-+ 49.Be1 (49.Ke6-+) 49...h3 50.Bg3 Nf6 ½–½. Hilbert,Stephan_Joerg (1835) – Kuehn,Peter (1960), World Senior Teams +50, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

    6.Nf3 Bg4 7.Bb5 Rc8 8.h3 Bh5 9.0-0 e6 10.Bb2 a6.

    6.Nf3 Bg4 7.Bb5 e6 8.h3 Bf3 9.Bc6 bc6 10.Qf3=+.

    6.Nf3 Bg4 7.Bb5 e6 8.h3 Bf3 9.gf3 Nge7-/+.

    6.Nf3 Bg4 7.Bb5 e6 8.h3 Bf3 9.Qf3 Nge7 10.Bb2 a6.

    4.cb3 d6

    5.Bb5 A) 5...Nc6 A1) 6.Nf3 d5 7.Ne5 Qb6 8.Nc3 de4 9.d4 a6; A2) 6.Bb2 Nf6 7.Nc3 a6 8.Bc6 bc6 9.Nge2 Rb8; A3) 6.Bc6 bc6 7.d4 Nf6 8.Qc2 e5 9.Bb2 ed4; A4) 6.Qc2 Bd7 7.Nf3 Rc8 8.Nc3 a6 9.Bc6 Bc6; A5) 6.Nc3 a6 7.Bc6 bc6 8.Nf3 Bg4 9.d4 e6; B) 5...Bd7 B1) 6.Bc4 Nf6 7.Nc3 Bc6 8.Qf3 e6 9.d4 d5; B2) 6.Bd7 Nd7 7.Nc3 Ngf6 8.d4 e6 9.Nge2 Rc8.

    5.Nc3 A) 5...Nc6 6.d4 Nf6 7.d5 Ne5 8.Be3 Bd7 9.Nf3 Rc8; B) 5...Nf6+= 6.d4 d5 7.e5 Ne4 8.Ne4 de4 9.Bc4 Nc6.

    5.Bc4 A) 5...e6 6.Nc3 Ne7 7.Nf3 d5 8.ed5 Nd5 9.Bd5 ed5; B) 5...Nf6 6.Nc3 Nc6 7.d4 Ne4 8.Bf7 Kf7 9.Ne4 Qa5.

    5.d4 Nf6 6.Nc3 g6 =.

    5.d4 Nf6 6.Nd2 e5 7.Bb2 Nc6 8.Bb5 ed4 9.Ne2 Bd7 10.0-0 Be7 11.f4 (11.Nd4!? 0-0 12.Bd3+=) 11...0-0= 12.h3 Qb6 13.Nc4?? (13.Bc6 d3 (worse is 13...Qc6 14.Nd4 Qa6 15.Qf3+=) 14.Nd4 Bc6+=) 13...Qd8 (better is 13...Qb5 14.Nd4 Nd4 15.Qd4 d5-+) 14.e5 de5 15.fe5 (15.Bc6 Bc6 16.fe5 Ne4 17.Nd4 Bc5=) 15...Nd5 (better is 15...Ne5!? 16.Ba6 Nc4 17.Bc4 Be6-/+) 16.Nd4= (16.Bd4? Nd4 17.Nd4 Nc3-+) 16...Nd4 17.Bd4?? (17.Bd7 Ne2 18.Qe2 Qd7=) 17...Bg5?? (better is 17...Bb5 18.Qg4 Bc4 19.bc4 Nc7-+) 18.Nd6 (18.Bd7 Qd7 19.Qf3 Be7+=) 18...Be3 19.Be3 (better is 19.Kh1!? Bb5 20.Nb5=) 19...Ne3-/+ 20.Qf3 Nf1 21.Qe4?? f5 ½–½. Juziak,Peter (2120) – Hansch,Stephan (1790), Dortmund op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    5.d4 Nf6 6.Bd3 Nc6 7.Bb2 e5 (7...Bg4 8.Ne2=) 8.Ne2 (8.d5 Ne7=) 8...Be7 (8...d5!? 9.ed5 Nd5 10.de5 Be6+=) 9.d5+/- White gains space 9...Nb8 10.Nbc3 Bg4 11.h3 Bh5 12.Qd2 (12.0-0 h6+=) 12...Nfd7 (12...Nbd7 13.Qe3=) 13.b4 (13.Ng3 Nf6+=) 13...a5 14.0-0 0-0 15.Nb5 Na6 16.Ng3 Bg6 17.Nf5 (17.Qc3 ab4 18.ab4 h6=) 17...Bf5= 18.ef5 Nf6 19.Be2 Qd7 20.g4 (20.ba5 Instead of 20...Nc5+=) 20...h6 21.Rfc1 (21.ba5 Weaker is 21...Nc5+=) 21...Nh7 22.Rc2 (22.ba5 Less advisable is 22...Bg5 23.Qe1 Bc1 24.Qc1 Rfc8-/+) 22...Bg5 23.Qe1 Nf6 24.Rd1 Rfc8 25.Rc8 Rc8 26.Bc3 Ne4 27.ba5?? Bh4-+ 28.Kg2 Bf2 29.Qf1 Nc3 30.Nc3 Rc3 31.Kf2 Qa4 32.Rd3 Rd3 33.Bd3 Nc5 34.Bc4 Qa3 35.Qe1 Qh3 36.Qb4 Qg4 37.Qb5 Qf5 38.Ke2 Qg4 39.Ke1 Qg3 40.Ke2 Qg2 41.Ke3 f5 42.Qe8 Kh7 43.Be2 f4 44.Kd2 f3 (44...f3 45.Qb5 Ne4 46.Ke3 Qf2 47.Ke4 fe2 48.Qe2 Qe2 49.Kf5 Qa2 50.Ke6 e4 51.Ke7 Qd5 52.Ke8 e3 53.Kd7 e2 54.Kc8 e1Q 55.Kc7 Qea5 56.Kb8 Qg8 57.Kb7 Qga8) 0–1. Casas Novas,Rui (2000) – Pereira,Edgar (2035), Jogos de Lisbon 4th, 2001. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    5.d4 Nf6 6.Bd3 Nc6 7.Ne2 e6 8.0-0 Be7 9.Nbc3 0-0 10.f3 Bd7 11.Be3 Rc8 12.Qd2 Re8 (12...d5 13.e5 Ne8 14.Qc2+=) 13.b4 a6 14.h3 (14.Rac1 Rf8+=) 14...Bf8 (14...Qc7 15.Rac1+=) 15.f4 White prepares the advance e5 15...h5 (15...Be7 16.Rac1+=) 16.e5 Nd5 17.Nd5 ed5 18.Qe1 Be7 (18...h4 19.Qf2+-) 19.Qf2+- f5 (better 19...a5!? 20.b5 Na7+-) 20.Qf3+- Be6 21.Qh5 Rf8 22.Qg6 Qd7 23.g4 de5? (better 23...Bh4+-) 24.fe5 Bd8 (24...Rc7 25.gf5 Bf7 26.Qg3+-) 25.gf5 Bf7 26.Qg4 (better 26.e6!? Qe8 27.ef7 Rf7+-) 26...Kh8 (26...Be8 27.Rae1+-) 27.e6 (27.e6 Qe8 28.Nf4+-) 1–0. Martinez,Jorge Alexander (2150) – Bravo,Juan Eduardo (1720), Semifinal, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    5.d4 g6 6.Be3 Bg7 7.Nc3 Nf6 8.h3 0-0 9.Nf3 b6 10.Bd3 Bb7 11.0-0 Nbd7 12.Rc1 Rc8 13.Re1 Rc7 14.b4 Qa8 15.Bd2 Rfc8 16.Qb3 h6 17.Rcd1 a6 18.Nh4 e6 19.f4 (19.Rc1 d5 20.e5 Ne4=) 19...d5 (better is 19...Nh5!? 20.Nf3 Nf4-/+) 20.e5= Ne4 21.Ne2 b5 22.g4 Qa7 23.f5? (better is 23.Be3!? Nb6 24.f5=) 23...Ne5 (23...Nd2 24.Rd2 ef5 25.gf5 Ne5 26.fg6-+) 24.fg6 (24.Be4 de4 25.fe6 Nf3 26.Nf3 ef3-+) 24...Nc4 (24...Nd2 25.Rd2 Bf6 26.gf7 Rf7 27.Bg6-+) 25.Bf4 Rd7 (25...Bd4 26.Kh2 Bf2 27.Be4 Be1 28.Re1-+) 26.gf7 Rf7 27.Be4 de4 28.Qg3 Nb2 29.Rd2 Nd3 30.Rf1? (better is 30.Rd3!? ed3 31.Qd3-+) 30...e5-+ 31.Be3 Rf1 32.Kf1 ed4 33.Qd6? de3 34.Qe6 Kh8 35.Ng6 Kh7 36.Qf5 Re8 37.Ne5 Kh8 38.Nf7 Kg8 39.Nh6 Kh8 40.Nf7= Kg8 41.Nh6 Kh8 42.Nf7 ½–½. Morkisz,Bogdan (2125) – Chlost,Marlena (2130), Polanica Zdroj op–A Poland, 2006. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    5.d4 g6 6.Bf4 =.

    5.Nf3 d5 6.ed5 Nf6 7.Bc4 a6 8.Nc3 b5 9.Bd3 Bb7.

    5.Nf3 d5 6.e5 Nc6 7.Be2 d4 8.Bc4 a6 9.0-0 b5.

    5.Nf3 Nf6 6.Nc3+= Nc6 7.d4 Bd7 8.Be2 Rc8 9.0-0 e5.

    5.Nf3 Nf6 6.Nc3+= d5 7.ed5 Nd5 8.Nd5 Qd5 9.Bc4 Qe4.

    5.Nf3 Nf6 6.Nc3 g6 7.d4 Bg7 8.Bb5 (8.Bd3 Nc6+=) 8...Bd7 9.Qd3 (9.0-0 0-0 10.Bd7 Nbd7+=) 9...0-0 10.0-0 (10.Bd7 Nbd7 11.0-0 Rc8+=) 10...a6 (10...Nc6 11.b4=) 11.Bd7+= Nbd7 12.Be3 (12.Bg5 Re8+=) 12...Rc8 13.Rfc1 (13.a4 Nb8=) 13...Ng4 (13...e5 14.d5=) 14.Nd5 (14.Bg5 Bf6+=) 14...Rc1 15.Rc1 Nb6 16.Nb6 Qb6 (16...Ne3 17.Nc8 Ng4 18.Qc3+=) 17.h3 (17.Bg5 Nf6+=) 17...Ne3 18.Qe3 e6 19.b4 (19.g3 Bf6+=) 19...a5= 20.Qc3 (20.Qd2 Ra8=) 20...Ra8 (20...ab4 21.Qb4 Qb4 22.ab4=) 21.ba5 (21.Qc7!? Bd4 22.Nd4 Qd4 23.Qb7+=) 21...Qa5= 22.Qa5 Ra5 23.Rc8 Bf8 24.Rb8 Ra7 25.a4 Kg7 26.d5 (26.Kf1 d5 27.ed5 ed5=) 26...Be7 (26...ed5 27.ed5 Ra4 28.Rb7=) 27.de6 (27.g4 ed5 28.ed5 h6=) 27...fe6 28.Nd4 (28.a5 h5=) 28...Kf6 29.f3 (29.a5 d5=+) 29...d5=+ 30.Nb3 (30.Nb5 Ra4 31.ed5 ed5=+) 30...Ra4 (30...de4 31.fe4 Ra4 32.Rb7 Re4 33.Kf2-/+) 31.Rb7 de4 32.fe4 (32.Nd2 Ra1 33.Kf2 Ra2-/+) 32...Re4 33.Kf2 Rf4 (33...Rb4 34.Rb4 Bb4 35.Nc1-/+) 34.Ke3 e5 (34...Rb4 35.Rb4 Bb4 36.Ke4-/+) 35.Rb6 (35.Nd2 Rb4 36.Rb4 Bb4=+) 35...Kf5 (35...Kf7 36.Rc6-/+) 36.Rb7 (36.g4 Kg5 37.Re6 Rf7-/+) 36...Ke6 37.Rb6 Kd5 (37...Kf7!?-/+) 38.Rb5=+ Kd6 39.Nd2 Rd4 (39...Ra4 40.Ne4 Ke6 41.Rb6 Kf7 42.Nd6 Kg7 43.Rb7=+) 40.Ne4= Ke6 41.Rb6 Bd6 42.Nd6 (42.g4 h6=) 42...Rd6=+ 43.Rb7 (43.Rb4 Rd1=+) 43...Rd7 (43...h5 44.Rb8=+) 44.Rb8 (44.Rb3 Ra7=+) 44...Rf7 (44...Ra7 45.Kf3=+) 45.Rb2 (45.Rc8 h5=+) 45...Rf1 (45...Rc7 46.Ra2=+) 46.Rb6= Kd5 (46...Kf5 47.Rb7 Re1 48.Kf2=) 47.Rb5 Kd6 48.Rb7 Ra1 49.Rh7 Ra3 50.Ke4 Ra4 51.Ke3 Ra3 52.Ke4 Ra4 53.Ke3 Ra3 54.Ke4 ½–½. Nesterenko,Kyrylo – Kuhn,Clement, World Cadets Championship U8, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    5.Nf3 Nf6 6.e5 de5=+ 7.Ne5 Qd4 (better 7...Nbd7 8.Nf3 e5=+) 8.Nf7?? (better 8.Bb5 Nbd7 9.Bb2=+) 8...Kf7-+ 9.Bc4 e6 10.Nc3 Qe5 11.Qe2 Qe2 12.Ne2 Nc6 13.Bb2 Bd6 14.0-0 Ne5 15.Rac1 Nc4 16.Rc4 Rd8 17.Re1 Bd7 18.Nd4 Rac8 19.d3 b5 20.Rcc1 Rc1 21.Rc1 a6 22.Nf3 Rc8 23.Rc8 Bc8 24.Ne5 Be5 (24...Ke7 25.b4-+) 25.Be5 Nd7 26.d4 (26.Bd4 e5 27.Be3 Nf8-+) 26...Ne5 27.de5 Kg6 28.f4 (28.f3 Kf5 29.Kf2 Ke5-+) 28...Kf5 29.g3 g5 30.fg5 Kg5 31.Kf2 Kf5 32.Kf3 (32.Ke3 Ke5 33.Kd3 Bd7-+) 32...Bb7 33.Ke3 Ke5 34.g4 (34.Kd3 Be4 35.Ke3 Bf5-+) 34...a5 35.b4 (35.Kd3 Bd5 36.b4 ab4 37.ab4 Kf4-+) 35...ab4 36.ab4 Be4 37.h3 (37.g5 Kd5 38.h4 e5-+) 37...h6 38.h4 Bd5 39.h5 (39.g5 hg5 40.hg5 Be4-+) 39...Bc6 (better 39...Bb7-+) 40.g5 (40.Ke2-+) 40...hg5 41.h6 Be4 42.Kf2 (42.h7 Bh7 43.Ke2 Bf5 44.Kd1 g4 45.Ke2 Kf4 46.Kf2 g3 47.Kf1 Bd3 48.Kg2 Bh7 49.Kf1 Kf3 50.Ke1 g2 51.Kd2 g1Q 52.Kc3 Qc1 53.Kb3 e5 54.Ka2 Bg8) 42...Kf4 43.Ke2 (43.Kf1 g4 44.h7 Bh7 45.Kf2 Bd3 46.Ke1 Ke3 47.Kd1 g3 48.Kc1 g2 49.Kb2 g1Q 50.Kb3 Qc1 51.Ka2 Bc4) 43...g4 44.Kf2 (44.h7 Bh7 45.Kf2 g3 46.Kg2 Be4 47.Kf1 Ke3 48.Kg1 g2 49.Kh2 Kf2 50.Kh3 g1Q 51.Kh4 Qg6 52.Kh3 Qg3) 44...g3 45.Kg1 (45.Ke2 Bh7 46.Kf1 Kf3 47.Ke1 g2 48.Kd2 g1Q 49.Kc3 Qc1 50.Kb3 e5 51.Ka2 Bg8) 45...Kf3 46.Kf1 (46.h7 Bh7 47.Kf1 e5 48.Ke1 g2 49.Kd1 g1Q 50.Kd2 Qb1 51.Kc3 Qc2) 46...g2 47.Kg1 Bh7 (47...Bh7 48.Kh2 Kf2 49.Kh3 g1Q 50.Kh4 Kf3 51.Kh5 Qg4) 0–1. Biyachuev,Minkail – Trushnikov,Viacheslav (1755), 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    5.Nf3 Nc6

    6.Bc4 e6 7.0-0+= Nf6 8.d4 (8.Nc3 d5 9.ed5 Nd5+= (9...ed5+=)) 8...d5 (8...Ne4 9.d5 ed5= (9...Qf6 10.Ra2=)) 9.e5 (better is 9.ed5!? Nd5 10.Bg5+=) 9...dc4=+ 10.ef6 Qf6 (10...cb3 11.fg7 Bg7 12.Bb2=+) 11.Bg5 Qf5 12.Nc3 Be7 13.Be7+= Ne7 14.bc4 0-0 15.Rb1 b6 16.Rb5 Qf4= 17.Ne2 Qc7 18.Qd3 Bb7 19.Rh5 g6 20.Ng5 Qc6 21.Nf4 e5 22.de5 Rad8-/+ 23.Qh3? gh5 24.Qh5 h6 25.e6 hg5?? 26.Qg5= Ng6 27.f3?? Qc5 28.Qc5 bc5 29.Ng6 fg6 30.e7 Rd3 31.ef8Q Kf8 32.Rb1 Bc6 33.Rb8-/+ Ke7 34.Rg8? Be8 35.h4 Ra3 36.Kf2 Rc3 37.g4 a5 38.Rh8 a4 39.h5 gh5 40.gh5 Rc4 41.Kg3 a3 42.Rh6 a2 (42...a2 43.Ra6 Ra4 44.Ra4 Ba4-+) 0–1. Pomaro,S (1880) – Novikovas,A (1900), Open Panevezys LTU, 2008.

    6.Bc4 Nf6 7.Nc3= Ne4 8.Ne4 d5 9.Bd3 de4.

    6.d4 d5 7.ed5 Qd5 8.Nc3 Qa5 9.Bd2 Bg4.

    6.d4 Bd7 7.d5 Ne5 8.Ne5 de5 9.Bb2 Nf6.

    6.d4 Nf6 7.d5 Ne5+= 8.Nc3 a6 9.Be2 e6.

    6.d4 Bg4 7.Be2 Nf6 8.Qd3 g6 9.0-0 Bg7 10.Bb2 0-0 11.Nbd2 d5 12.e5 Nd7 13.Ng5 Be2 14.Qe2 e6 15.h4 h6 16.Ngf3 Rc8 17.Rac1 Qb6 18.Qd3 Ne7 19.b4 Rc1 20.Rc1 Rc8 21.Nb3 Rc1 22.Bc1 Qc7 23.b5 Nb6 24.Nc5 Nc4 25.Qc3 Nf5 26.g4 Ne7 27.Ne1? (27.Qb4 Bf8=) 27...b6 (better is 27...Be5!? 28.de5 Qc5 29.Bh6 Qa3-+) 28.Na6 Qc8 29.Nd3 Qe8 30.a4 Qd8 31.Ndb4 Nc8 32.g5 h5 33.Nc6 Qd7 34.Ba3 Bf8 35.Bf8 Kf8 36.Qb4 Kg7 37.Kf1 Kg8 38.Ke2 Kg7 39.Kd3 Kg8 40.a5 ba5 41.Na5 N8b6 (41...Na3!=) 42.Nc6+= Kg7 (42...Nc8 43.Ke2+=) 43.Nc5 (43.Qe7 Qe7 44.Ne7 Na3+/-) 43...Qc7 44.Ke2 Kg8 45.Qb3 Kg7 46.Qf3 Nd7 47.Nd7 Qd7 48.Qf6 Kh7 49.Ne7 (49.Qd8!? Qd8 50.Nd8+=) 49...Qe8= 50.Nc6 Qd7 ½–½. Beier,Klaus – Richtmann,Peter, Bayern–chB Uttenreuth, 1996. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

    4.cb3 e5

    5.Bb2 Nc6 6.Nf3 Qc7 7.Nc3 Nf6 8.Rc1 Bc5 (better 8...d6!?+/-) 9.Nd5+- Qd6 (9...Nd5 10.ed5 (10.Rc5?! Nf6+=) 10...Qb6 11.dc6 Bf2 12.Ke2 dc6 13.Be5+-) 10.Rc5! Qc5 11.Nc7 Ke7 (11...Kd8 12.Na8 Ne4 13.d4 ed4 14.Bd3+- (14.Bd4? Nd4 15.Qd4 Qc1 16.Ke2 Qc2 17.Ke3 Nf2-+; worse 14.Nd4 Qa5 15.b4 Nb4-/+)) 12.Na8 Ne4 13.d4 Qa5 14.b4 Nb4 15.ab4 Qb4 16.Nd2 d5 (16...Qb2 17.Ne4 d5+/-) 17.Ba1 (17.Qc1 Qd2 18.Qd2 Nd2 19.Kd2+- (19.de5?! Nf1 20.Rf1 Bd7 21.Ba3 Kd8=)) 17...Nd2 (17...Qa5 18.Nc7+/- (18.de5 Nd2 19.Bc3 Qc3 20.Qd2 Qa1 21.Qd1 Qe5 22.Be2 Bf5-+)) 18.Qd2+- Qb1 19.Qd1 Qb4 20.Ke2 Bd7 21.Nc7 (21.de5?! Qe4 22.Kd2 Ba4=) 21...Qc4 22.Qd3 (22.Ke3 Qc7 23.de5 Qc6+-) 22...Qc7+/- 23.f3 (better 23.de5!? Qc1 24.Bc3+/-) 23...e4 (23...Qc1 24.Bc3 Rc8 25.Bb4 Ke6 26.Kf2-/+) 24.Qc3 (24.fe4 Qc1 25.Bc3 Bg4 26.Kf2 Qf4 27.Kg1 de4 28.Bb4 Kf6=+) 24...Qd6 (24...Qc3!? 25.Bc3 f5=+) 25.Kf2 Rc8 26.Qb3 a5 27.Be2 (27.Qb7 Rc2 28.Kg1 ef3 29.Bb5 fg2 30.Qd7 Qd7 31.Bd7 Kd7 32.h4 gh1R 33.Kh1 Rc1 34.Kg2 Ra1 35.Kf2 a4 36.Kg2 a3 37.Kh2 a2 38.Kg3 Rg1 39.Kf4 a1Q 40.Kf3 Qf1 41.Ke3 Rg3 42.Kd2 Qf2 43.Kd1 Rg1) 27...a4 (27...b5 28.Qe3 (28.Bb5? Bb5 29.Re1 Bc4-+) 28...f5 29.Qg5 Kf8 30.fe4 fe4 31.Rb1=+) 28.Qa2 (28.Qb7 ef3 29.gf3 Rc2+=) 28...Qh6 (28...b5 29.Rb1 b4 30.Qd2=) 29.Qa3 (29.Rb1!? e3 30.Kg1+=) 29...Ke8= 30.Qe3 (30.fe4 Qf6 31.Qf3 de4 32.Qf6 gf6+=) 30...Qf6 (better 30...Qe3!? 31.Ke3 f5-/+) 31.Rc1 Bc6 (31...Rc1 32.Qc1 b5 33.Kg1=) 32.Kg1 Kd7? (better 32...Qh6 33.f4 Kf8+=) 33.fe4+- Re8 34.e5 Qf5 (34...Qh6 35.Qc3+-) 35.h3 (35.Rf1 Qg6+-) 35...h5 (35...Kd8 36.Rf1 Qe6 37.Qg5 f6 38.Qg7 fe5 39.Bh5+-) 36.Rf1 Qg6 37.Bc3 (better 37.Bd3 Qh6 38.Rf7 Re7 39.Bf5 Ke8 40.Qh6 gh6+-) 37...a3 (37...f6 38.Bd3 Qg5 39.Qf2 fe5 40.de5+-) 38.Bb4 (38.Bd3!? Qh6 39.Rf7 Kc8+-) 38...a2 39.Bd3 Qh6 40.Qh6 (better 40.Qf3 Kd8 41.Ba5 Kc8 42.Qf7 Kb8 43.Bc7 Ka7+-) 40...gh6 41.Rf7 (41.Bd6 Rg8+-) 41...Kc8 (41...Ke6 42.Rf6 Kd7 43.Bc3+-) 42.Rf1 Kc7 43.Ra1 Ra8 44.Kf2 (44.Bd6 Kd8+-) 44...Ra4 (44...Bd7+-) 45.Bc3 (better 45.Bd6 Kd8 46.e6+-) 45...Ra3+/- 46.Ke2 Rc3 47.Ra2 Kd7 48.Rc2 (48.Ra8 Rb3+-) 48...Ra3 49.Ke3 (49.g3 Ke6+/-) 49...Ke6 (49...Bb5 50.Rd2=) 50.Ke2 Rb3 (50...Kd7 51.g3+/-) 51.Bg6 (51.Kd2 Bb5 52.Bb5 Rb5+/-) 51...Bb5 (better 51...Rg3 52.Bh5 Rg2 53.Kd3 Rg3 54.Kd2 Kf5=) 52.Kf2 (52.Ke1 Bd3 53.Bd3 Rd3+=) 52...Bc4 (better 52...Bd3!? 53.Bd3 Rd3-/+) 53.Rd2+= h4 54.Bh5 Rc3 55.Bg4 Ke7 56.Rb2 b5 57.Rb1 (better 57.Bf5=) 57...b4?? (57...Rc2 58.Kg1=) 58.Ra1?? (58.Rb4!? Rc1+-) 58...b3 (58...Rc2 59.Ke3 Ba2= (worse 59...Rg2 60.Ra7 Kd8 61.e6 Rg4 62.hg4+/-)) 59.Ra7+/- Kd8?? (better 59...Kf8 60.e6 Bb5+-) 60.Ra8 (better 60.e6 Rc2 61.Ke3 Re2 62.Be2 Be2 63.Ke2+-) 60...Kc7-/+ 61.Rc8? (better 61.Ra7 Kb6 62.Ra8 Rc2 63.Ke3-/+) 61...Kb7-+ 62.e6 Rc2 63.Kf3 (63.Ke3 b2 (63...Rg2 64.e7 Bb5 65.Rc3 Rg3 66.Bf3+/-) 64.e7 Bb5 65.Rc2 b1Q-+) 63...b2 64.e7 b1Q (better 64...Bb5 65.Rc2 b1Q-+) 65.Kf4 (65.Rb8 Kb8 66.e8Q Ka7 67.Qe7 Qb7 68.Qc5 Ka6 69.Qa3 Kb5 70.Ke3-+) 65...Qf1 (65...Rf2 66.Ke5 Qe1 67.Kd6 Rf6 68.Kd7 Bb5 69.Rc6 Bc6 70.Kd8 Qa5) 66.Ke5-+ Qe1 (66...Re2 67.Be2 Qe2 68.Kd6 Kc8 69.g3 hg3 70.Kc5 Qe7 71.Kc6 Qc7) 67.Kd6 Rf2 (better 67...Qg3 68.Ke6 Qe3 69.Kd6 Qf4 70.Ke6 Qe4 71.Kd6 Qg6 72.Ke5 Rc3 73.Rc4 dc4 74.Bc8 Kb6 75.Bd7 Re3 76.Kd5 Qg2 77.Kd6 Qe4 78.e8Q Qd4) 68.Kc5?? (better 68.Rc7 Kb6 69.Rc6 Ka5 70.Be6 Qb4 71.Rc5 Bb5 72.Bd7 Qc5 73.dc5 ( 73.Kc5?? Bd7 74.Kd6 Be8-+) 73...Bd7 74.Kd7-+) 68...Rf6 (68...Qe7) 69.Rc7 (69.Be6 Qa5 70.Kd6 Qb6 71.Kd7 Qe6 72.Kd8 Qc8) 69...Kc7 70.e8Q (70.e8N Qe8 71.Kb4 Qe1 72.Ka3 Qc3 73.Ka4 Ra6) 70…Qa5 (70...Qa5 71.Qb5 Qb5) 0-1. Kanakaris,G (2400) - Buksa,N (2415), Titled Arena Apr 3rd, 2021. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Bb2 Nc6 6.Nf3 d6 7.Bb5 Nf6 8.d4 Qa5 9.Nc3 Ne4 10.Qd3 Nc3 11.Bc3 Bf5 12.Qc4 (worse 12.de5 Bd3 13.Bc6 bc6 14.Ba5 Be4=+) 12...Qc7 13.d5 (13.de5 Be6 14.Qe2 a6 15.ed6 Bd6=) 13...a6 14.Ba4 b5 15.Bb5 (15.Qc6? Qc6 16.dc6 ba4-+) 15...ab5 16.Qb5 Bd7 17.dc6 Bc6 18.Qe2 Qb7 19.b4 Be7 20.Qe3 Qa6 21.Bb2 0-0 22.Rd1 Rfc8 23.Rd2 Bb5 24.Ng1 h6 25.Nh3 Bd8 26.Qe4 Bb6 27.f3 Rc4 28.Qb1 Qa7 29.Qd1 (29.Rd6 Bf2! 30.Kd1 Ba4 31.Qc2 Bc2 32.Kc1 Bd3 33.Bc3 Qa3 34.Kd1 Qb3 35.Kd2 Qc2) 29...Rac8 30.a4 (30.Rd6?? Bf2!! 31.Nf2 Re4 32.Qe2 Re2 33.Kd1 Qa4) 30...Ba4 31.Qa1 (31.Qb1-+) 31...Rc2 32.Qd1 Rb2! (32...Rb2 33.Qa1 Bf2 34.Nf2 Qe3 35.Kf1 Rd2 36.Qe1 Bb5 37.Nd3 Bd3 38.Qe2 Rc1) 0-1. nordlicht (1995) - marekt (2045), gameknot.com, 2014.

    5.Bc4 Nf6= 6.d4 ed4 7.Nf3 Qa5 8.Bd2+= Qb6 9.0-0 Be7 10.Bg5 Nc6 11.e5 Ne4 12.Be7 Ne7 13.Qd3 Nc5? 14.Qd4+/- 0-0 15.Nc3 Nf5 16.Qf4 d6 17.b4+- Na6 18.Rad1 de5 19.Ne5 Be6 20.Nd7 Bd7 21.Rd7 g6? 22.g4 Ng7?? 23.Nd5 (23.Nd5 Nc5 24.Nb6+-) 1–0. Gurkin,A (2155) – Minko,V (1800), Open Olomouc CZE (1), 2008.

    5.d4 ed4 6.Qd4 Nc6 +=.

    5.Nf3 Nc6 6.Bc4 Be7 7.Bb2 d6 8.d4 ed4 9.Nd4 Nf6 10.0-0 0-0 11.Nf5 (better 11.Nc3!?+=) 11...Bf5= 12.ef5 d5 13.Bd3 Bd6 14.f4 (14.Re1!?=) 14...Re8=+ 15.Nd2 Bc5 16.Kh1 Bd4 17.Rb1 (17.Bd4 Nd4 18.Nf3 Nf3 19.Rf3 Qb6-/+) 17...Bb2 18.Rb2 Re3 19.Nf3 Qa5 20.a4 Rae8 (20...Qb4 21.g3-/+) 21.Bb5 Qc3 22.Rb1 a6 23.Bc6 bc6 24.Ne5 Qc5 (24...c5!?-/+) 25.b4= Qd6 (25...Qb6=) 26.Rc1?? (26.Nc4 Qd7 27.Ne3 Re3+-) 26...Rc8?? (better 26...Qb4 27.Rc6 Qe4=+) 27.Nc4!+- Qe7 (27...dc4 28.Qd6 Pinning (28.Qd6 Deflection)) 28.Ne3 Qe3 29.b5! ab5 (29...ab5 30.ab5 Combination; 29...cb5 30.Rc8 Pinning (30.Rc8 Deflection)) 30.ab5 c5 31.b6 Rb8 32.Qa4 (better 32.Qe1 Qe1 33.Rfe1 (33.Rce1?! Rb6 34.Rb1 Rb1 35.Rb1 Kf8+=) 33...Rb6 34.Rc5+-) 32...h5?? (better 32...Ne4 33.Qa2 c4+-) 33.Qa7+- Re8 (33...Qe8 34.Rc5 d4 35.Rfc1+-) 34.b7 Ne4 (34...Nd7 35.Qa5 Qd3+-) 35.Rc2 (better 35.Rb1 Nf2 36.Rf2 Qf2 37.Qa8 Ra8 38.ba8Q Kh7 39.Qd5+-) 35...Nf2+- 36.Rcf2 Qf2 37.Qa1 (37.Rf2?? Re1 38.Rf1 Rf1) 37...Qe2 38.Rb1 Rb8 39.Qa7 Qe8 40.Qc5 Qd7 41.h3 (better 41.Qa7!? Qc7 42.h3+-) 41...Rb7= 42.Ra1 (42.Rd1 Qf5 43.Qd5 Qd5 44.Rd5 g6=) 42...Rb8 (42...Qf5!? 43.Ra8 Kh7-/+) 43.Rd1 Exerts pressure on the isolated pawn 43...Rd8 44.g4 (44.Qa5 d4=+) 44...h4 45.Kg2 (45.Qf2 d4 46.Qh4 d3=) 45...Qe8 (45...d4 46.Qb4-/+) 46.Qd4 (better 46.Kf2!?=) 46...Qe2-/+ 47.Kg1 Kh7 (47...Ra8 48.Qd3 Qe7 49.Kf1-/+) 48.g5 Rc8 49.Qd5?? (49.Qd3 Qe8 50.Qd4= (50.Qd5?? Qe3 51.Kh1 Qh3 52.Kg1 Rc2 53.g6 Kh6-+)) 49...Rc2-+ 50.g6 Kh6 (50...Kh6 51.Qd2 Rd2 52.Rd2 Qe1 53.Kg2 Qd2 54.Kf3 Qd3 55.Kf2 f6 56.Ke1 Qh3 57.Kd2 Qg2 58.Ke3 h3 59.Kd4 h2 60.Kc5 h1Q 61.Kc4 Qc6 62.Kb4 Qhf3 63.Ka5 Qfc3) 0–1. Alsulaymi,Abdullah M (1830) – Danielyan,Vahe (2220), World Rapid, 2018. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 e5)

    4.cb3 e6

    5.d4 d5 6.e5 Ne7 7.Nc3 Nbc6 8.Nf3 a6 9.Bg5 h6 10.Bh4 (10.Be3 Nf5=) 10...Qb6 11.Na4 Qa7 12.Nc5 (better 12.Be7!? Be7 13.b4=) 12...Nf5=+ 13.b4 b6 (13...a5!? 14.Rb1 ab4 15.ab4 Qb6-/+) 14.Nb3= Bd7 15.Rc1 Rc8 16.Be2 Nh4 17.Nh4 Be7 18.Nf3 0-0 19.0-0 a5 20.b5 Nd8 21.a4 f5 22.Re1 Nf7 23.h3 Bb4 24.Nfd2 Rc1 25.Qc1 Rc8 26.Qb2 Bc3 27.Qb1 Ng5 28.Rc1 Qb8 29.Rc2 Bd2 30.Nd2 Rc2 31.Qc2 Qc8 32.Qc8 Bc8 33.Kh2 Ne4 34.Ne4 de4 35.Kg3 Kf7 36.Kf4 g5 37.Ke3 Bb7 38.Bh5 Ke7 39.f4 Bd5 40.Bd1 Bc4 41.g3 Kf7 42.h4 Kg6 43.Kd2 Bf1 (43...g4 44.Ke3=) 44.Ke3 (44.fg5 hg5 45.h5 Kf7+/-) 44...Bh3 (44...gh4 45.gh4 Bc4 46.h5 Kf7 47.Kf2=) 45.Kd2 Bg2 (45...Bf1 46.fg5 hg5 47.h5 Kf7 48.d5+-) 46.Ke3 Bh1?? (46...Bh3 47.fg5 hg5 48.Bb3 gh4 49.gh4+/-) 47.Kd2?? (better 47.fg5 hg5 48.h5 Kf7 49.d5 ed5 50.h6 d4 51.Kd4+-) 47...gh4 48.gh4 Bf3?? (better 48...h5=) 49.Ke3 (49.Bf3 ef3 50.Ke3+-) 49...Bd1-+ 50.Kd2 Ba4 51.Kc3 Bb5 (51...Bb5 52.Kc2 e3-+) 0-1. Inventar,Alexandre - Lebrun,Elias (1880), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Nf3 d5 6.ed5 ed5 7.Bb5 Nc6 8.0-0 Bd6 9.Bb2 Nf6 10.Re1 Be6 11.Nd4 0-0 12.Bc6 bc6 13.Nc6 Qb6 14.Bf6 gf6 15.Nb4 a5 16.Nc2 d4 17.d3 Qb3 18.Nd4 Qd1 19.Rd1 Bg4 (19...Be5 20.Ne6 fe6 21.Ra2=) 20.Nf3+= Bf3 21.gf3 Rad8 22.Ra2 Kh8 23.Nc3 Rg8 24.Kh1 Rg5 25.Ne4 Rf5 26.d4 Rf3 27.Nd6 Rd6 28.d5 Rf5 29.Rad2 Rf3 30.a4 Rf4 ½–½. Shirazi,Kamran G (2440) – Riff,Vincent (2290), FRA–ch Accession, 2008. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Nf3 d5 6.e5 Nc6 7.d4 f6 8.ef6 (8.Bd3 Qa5 9.Bd2 Qb6+=) 8...Nf6 9.Bd3 Bd6 10.0-0 0-0 11.Nc3 Bd7 12.Ne2 (12.Nb5 Be7=) 12...Rc8 13.Bg5 h6 (13...e5 14.de5 Ne5 15.Ned4=+) 14.Bh4 (14.Bf4 Be8 15.Bb5 Bh5 16.Bc6 Bf3 17.Bb7 Rc7 18.gf3 Rb7=) 14...Be8 15.Bg3 (better 15.Qd2!?=) 15...Bh5-/+ 16.Bd6 (16.Qd2 Bf3 17.gf3 Qe7-/+) 16...Qd6 17.Ng3 Bf3 18.Qf3 Nd4 19.Qd1 Rc3 20.b4 (20.Bh7 Kh7 21.Qd4 Qc5 22.Qc5 Rc5-/+) 20...Rfc8 (20...Qf4 21.Ne2 Ne2 22.Be2-+) 21.Re1 Qf4 22.h3 (22.Be4 Nc2 (22...de4?! 23.Qd4 Rc2 24.Rad1=+) 23.Bc2 Rc2-+) 22...e5 23.Bg6 Rg3 (23...Qg5 24.Bb1-+) 24.fg3 Qg3 25.Qd3 Qg5 (25...Qd3 26.Bd3 e4 27.Bf1-+) 26.Ra2-/+ Ne6 (better 26...Rc4 27.Kh2 e4-+) 27.Qf5+= Rc6 (27...Qf5 28.Bf5 Kf7 29.Re5 Rc1 30.Kf2+=) 28.Qg5+/- (worse 28.Re5 Rc1 29.Kf2 Ng4 30.Qg4 Qe5-/+) 28...hg5 (28...Ng5 29.Re5 Re6 30.Rae2 Re5 31.Re5+/-) 29.Re5 Nf4 30.Rg5 d4 31.Rf2 (31.Bf5 Kf8+-) 31...d3? (better 31...Ng6!? 32.Rg6 Kh7+=) 32.Rf4+- d2 33.Rd4 Rc1 34.Kh2 d1Q 35.Rd1 Rd1 36.Rc5 Kf8 37.Rc7 Rd7 38.Rd7 Nd7 39.Be4 b6 40.g4 Ne5 41.Kg3 (41.a4 Nc4+/-) 41...g5 (41...b5 42.Bd5 g5 43.Ba2+/-) 42.h4 (42.b5 Nc4+-) 42...gh4+/- 43.Kh4 Nc4 (43...b5 44.Kg5+-) 44.a4+- a5 45.ba5 ba5 46.Bc6 Ne5 47.Bb5 Kg7 48.Kg3 (48.Kg5 Ng6+-) 48...Kf6+/- 49.Kf4 Nf7 50.Ke4 (50.Bc6 Ng5+/-) 50...Kg5 51.Kd5 (51.Kd4 Kg4 52.Kc5=) 51...Kg4+= 52.Kc6 Kf4?? (better 52...Ng5=) 53.Kb6+- Ke5 54.Ka5 Kd6 (54...Nd6 55.Kb6 Nc8 56.Kb7 Nd6 57.Kc6+-) 55.Kb6 Ke7 56.a5 Kd8 (56...Nd6 57.a6 Kd8 58.Bd3+-) 57.a6 Nd6 58.Bd3 Nc8 59.Kb7 Nd6 60.Kb8 Nc8 61.Bf5 Ne7 62.Be4 (better 62.Be6 Nc6 63.Kb7 Ke7 64.Kc6 Ke6+-) 62...Nc8 63.Bb7 Nb6 64.Ka7 (better 64.Bc6 Nc8 65.Bd5+-) 64...Kc7= 65.Be4 Nc8 66.Ka8 Nb6 67.Ka7 Nd7 68.Bb7 Nb6 69.Be4 ½-½. Haub,TM (2425) - Jobava,Ba (2600), Tetraktys Concept Mgmt Bl, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 b3)

    5.Nf3 d6 6.Nc3 Be7 7.Bb5 Bd7 8.Bd7 Nd7 9.0-0 Ngf6 10.Qe2 0-0 11.d4 a6 12.h3 Rc8 13.Bd2 b5 14.Rad1 Nb6 15.g4 (15.Rc1!?=) 15...d5+= 16.e5 Nfd7 17.Nb1 Qc7 18.Rc1 Qb7 19.g5 Rc1 20.Rc1 Rc8 21.h4 Rc1 22.Bc1 Qc6 23.Be3 a5 24.Qd2 a4 25.b4 Nc4 26.Qc1 Ndb6 27.Ne1 Qe8 ½–½. Karpenko,Alexander (1930) – Sterliagova,Tatiana (2350), Perm op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 b3) (aka “Kichigin,Viktor (1930) – Kushka,Alena (1845), Perm op, 2007”. Fake?)

    4.cb3 Nf6

    5.Nc3 d6 6.d4 e6 7.Nf3 Be7 8.Bb5 Bd7 9.Bd3 Nc6 10.0-0 e5 (10...Rc8 11.Bb2+=) 11.d5+- Nb8 12.h3 0-0 13.Qe2 Be8 14.Be3 Nbd7 15.b4 Nh5 16.g3 (16.Rac1 Nf4 17.Bf4 ef4+-) 16...g6 17.Bh6 Ng7 18.g4 f6 19.a4 (19.Rfc1 a5+-) 19...Rf7 20.a5 Nf8 (20...f5 21.gf5 gf5 22.Rfc1+=) 21.Be3 (21.a6 b6+-) 21...f5 22.b5?? (better 22.gf5 gf5 23.Kh2+-) 22...fg4-/+ 23.hg4 g5?? (23...Qc8 24.Kh1=+) 24.b6?? (24.Nd2 Ng6+=) 24...a6?? (24...Qc8 25.Ng5 Bg5 26.Bg5 Qc3 27.Rfc1=+) 25.Qd1?? (better 25.Rac1+=) 25...Qc8-/+ 26.Ng5 Bg5 (worse 26...Qc3 27.Nf7 Kf7 28.Qd2 Qd2 29.Bd2+-) 27.Bg5 Qc3 28.Qe2 Ng6 (28...Bb5 29.Bb5 ab5 30.Qe3-+) 29.Rfc1 Qd4 (29...Qb4 30.Bd2 Qb2 31.Rcb1=+) 30.Be3=+ Nf4 31.Bf4? (better 31.Bd4 Ne2 32.Be2 ed4 33.g5-/+) 31...ef4 0–1. Martinez,Jorge Alexander – Escobar Forero,Alder, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nf6)

    5.e5 Nd5 6.Nc3 Nc3 7.dc3 Qc7 8.Bd2 Qe5 9.Be2 e6 10.Nf3 Qc7 11.0-0 Be7 12.c4 0-0 13.Bc3 d6 14.Nd4 a6 15.Bd3 Nd7 16.f4 Bf6 17.Qh5 g6 18.Qg4? (better is 18.Qf3-/+) 18...Qb6-+ 19.f5 Ne5 20.Qe2 Nd3 21.Qd3 e5 (21...ef5?! 22.Rae1-/+; 21...gf5?! 22.Kh1 Be5 23.Rae1-/+) 22.fg6 fg6 (22...ed4?! 23.gh7 Kg7 24.Qg3 Kh8 25.Rf6 dc3 26.Kh1-/+) 23.Kh1 ed4 24.Bb4? (24.Rf6 Rf6 25.Bd4-+) 24...Bf5 25.Rf5 gf5 26.Qf5 Bg7 27.Qe6 Kh8 28.Bd6 Rf6 (28...Rf6 29.Qg4 Qd6-+) 0–1. Kelder,Hendrek – Kulaots,K (2565), Puhajarve EST, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 b3)

    5.e5 Nd5 6.Bc4 Nb6= 7.Nc3 Nc4 8.bc4 Qc7 (8...d6 9.ed6 Qd6 10.Nf3=) 9.Qe2+= Nc6 10.Nf3 g6 (10...Qa5 11.Bb2+=) 11.Nd5 Qb8 12.d4 Bg7 13.0-0 0-0 14.Bg5 Re8 15.Bf4 e6 16.Nc3 f5 (16...f6 17.Qe3 fe5 18.Ne5 Ne5 19.Be5+-) 17.Nb5 b6 (17...Bf8 18.Rfc1+-) 18.Nd6 Rf8 19.Rfc1 Ba6 20.a4 Na5 21.Rc3 (21.Qe3 Nb7+-) 21...Qc7 (21...Nb7 22.Nb5+-) 22.Qd2 Nb7 (22...Nc4? 23.Qa2+-) 23.Nb5 Qc8 24.Bg5 Rf7 25.Bh6 Bb5 (25...Bh8 26.Qb2+-) 26.ab5 Qf8 (26...Bh6 27.Qh6 d6 28.Qf4+-) 27.Bg7 Rg7 28.Qe3 Qb4 29.Qc1 Qe7 30.Ra6 d6 31.Rca3 de5 (31...Qd8 32.Qe3+-) 32.Ne5 Na5 33.c5 Qc7 (33...Rc8 34.Qc2+-) 34.Rc3 Rc8 35.Nc6! Nc6 36.cb6 (36.bc6 Qc6 37.Qe3 e5 38.de5 Rd7=+) 36...Qb7 (36...Qb8 37.Rc6 Re8+-) 37.Rc6 Rc6 38.Qc6 Qc6 (38...Qb8 39.d5 Rb7+-) 39.bc6 ab6 40.Ra8 (40.Ra8 Kf7 41.c7+-) 1–0. marekt (2515) – mizuzul (2065), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nf6)

    4.Nc3 bc2=+

    5.Qc2 Nc6 6.Nf3 e6 7.d4 d5 8.Bb5 a6 9.Ba4 Nge7 10.0-0 b5 11.Bb3 Na5-/+ 12.Ba2 Bb7 13.e5 Nf5 14.Qd3 Be7 15.Ne2 Nc4 16.Bb1 h5 17.Kh1 Kd7 18.Nd2 Qb6 19.Nb3 a5 20.Qc3 g6 21.Bf5 gf5 22.Nf4 h4 23.Nd3 b4 24.Qc2=+ h3 25.ab4 hg2-+ 26.Kg2 Rag8 27.Kh1 Bb4 28.Nbc5 Kc8 29.Bf4 Rh4 30.Qc1 Bc6 31.Rg1 Rg1-/+ 32.Kg1 Bc5 33.Nc5 Qb2 34.Qb2-/+ Nb2 35.Be3 Nc4 36.Nd3 Kc7 37.Kg2 Rh8 38.Bg5-/+ a4 39.Be7 Nd2 40.Nc5 Rg8-+ 41.Kh3 Nf3 42.Bd6 Kb6-+ 43.Rb1 Ka7 44.Na4 Ba4 45.Ra1 Rg4 46.Ra4 Kb7 (46...Kb7 47.Rb4 Kc6 48.Rb6 Kb6 49.Bc5 Kc6 50.Bd6 Ng5) 0–1. Simonsen,O (2210) – Bjarnason,S (2285), Jonsson Mem Open (2), 2001.

    5.Qc2 Nc6 6.Nf3 e6 7.d4 d5 8.Bd3 Nf6 9.0-0 de4 10.Ne4 Nd5 11.Rd1 Bd7 12.Nc5 Rc8 13.Nd7 Qd7 14.Qd2 Bd6 15.Qg5 0-0 16.Bh7?? Kh7-+ 17.Qh5 Kg8 18.Ng5 Nf6 19.Qh4 Ne7 0–1. Coates,Stephen (1925) – Wurschner,Miroslav (2255), IECG, 2003.

    5.Qc2 e5 6.Nf3 Nc6 7.Bc4 Bc5 8.Bb2 Nf6 9.Na4.

    5.Qc2 e6 6.Nf3 Nc6 7.d4 d5 8.Bb5 Nge7 9.0-0.

    4.c4 Qb6

    5.Bb2 d6 6.d4= Nf6 7.Nc3 e5 8.c5 Qa5 9.Qb3 Nc6 10.d5 Nd4-/+ 11.Bb5 Bd7 12.Bd7 Nd7 13.Qd1 Nc5 14.f3? Rc8 15.Nge2 Ne2 16.Qe2 Na4 17.Rc1-/+ Be7 18.Qb5 Qb5-/+ 19.Nb5 Rc1 20.Bc1 a6 21.Na7 Kd7 22.Be3 Ra8 0–1. Scharl,Walter (2005) – Tudosa,Daniel (2005), Regionalliga SW9798, 1997.

    5.Nc3 e5 (better 5...Nc6!? 6.Bb2 Nf6=) 6.Rb1+= Bc5 7.Rb3 Qd8 (7...Bf2? 8.Ke2 Qc5 9.Rb5 Bg1 10.Rc5 Bc5 11.Nd5+-) 8.Nf3 d6 9.d4 ed4 10.Nd4 Nc6 11.Be3 Nge7 12.Be2 Nd4 13.Bd4 Nc6 14.Bc5 (worse 14.Bg7 Rg8 15.Bh6 Rg2=+) 14...dc5 15.Qd8 Kd8 16.Nd5 Nd4 17.Rg3 g6 18.Kd2 h5 19.Bd3 (19.Rb1 b6+=) 19...h4 20.Re3 Be6 21.Kc3 b6 22.e5 b5 23.Rb1 a6 24.a4 (24.Be4 Ra7+=) 24...Rc8 (24...ba4? 25.Nb6 Rc8 26.Na4+-) 25.ab5 ab5 26.Be4 b4 27.Rb4 cb4 28.Kd4 Rb8 29.Bc2 (29.Rb3 Bd5 30.cd5 Kd7+=) 29...g5= 30.Rb3 The isolani on b4 becomes a target 30...Kd7 31.Nb4 (31.Rb2 Rhc8=) 31...Rhc8 Attacks the isolani on c4 32.Nd5 Rb3 33.Bb3 Rb8 34.Ba4 Kd8 35.Bc2 ½–½. Marekt – Goldentweety, internet, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.c4 Nc6

    5.Bb2 d6 6.Qb3+= Nf6 7.d3 e6 (7...Nd7 8.Nf3=) 8.Nf3= g6 9.Be2 Bg7 10.0-0 0-0 11.Nbd2 Nh5 12.Bg7 Ng7 (12...Kg7!? 13.g3 e5=) 13.d4+= b6 14.Rfd1 (14.Rfc1 e5 15.de5 de5+=) 14...Qc7 (14...e5 15.de5 de5 16.Qb5=) 15.Rac1 e5 16.c5 Nd4 (16...ed4? 17.cb6 Qb7 18.Qd5+-) 17.Nd4 ed4 18.Qd5 (better is 18.cd6 Qd6 19.Nc4+=) 18...dc5-/+ 19.Qa8? (19.Qd4 cd4 20.Rc7 Ne6-/+) 19...Bb7 (19...Be6!? 20.Qf8 Kf8 21.g3-+) 20.Qa7-/+ Ra8 21.Qa8 Ba8 22.Rb1 Ne6 23.f3 (better is 23.Rb2-/+) 23...Qf4?? (better is 23...Bc6 24.Bc4 d3-+) 24.Nc4= Qg5 25.Bf1 Bc6 26.Rb6 Ba4 27.Rd2 h5 28.Kh1 h4-/+ 29.Rbb2 Nf4 30.Nb6 Bc6 31.a4 d3 32.a5 c4 33.Nc4-/+ Qc5 34.g3 hg3 35.hg3= Qh5 36.Kg1 Qc5 37.Kh1 Qh5 38.Kg1 Qc5 ½–½. Schultz_Pedersen,Jesper (2235) – Jacobsen,Fredrik Beer (2010), Helsingor DEN, Politiken Cup, 2014. (=1.e4 c5 2.b4?? cb4-/+ 3.a3 b3)

    5.Bb2 Nf6 6.Bd3 d6 7.Nf3+=.

    5.Qb3 Nd4 6.Qd3 e5 =.

    5.d4 Qb6 6.Bb2 e5 7.d5? (better is 7.de5!? Bc5 8.Qd2+=) 7...Bc5-/+ 8.Qd2 Nd4 9.Bd3 Qg6 10.f3 d6 11.Nc3 f5 12.0-0-0? (better is 12.Na4!?-/+) 12...Nf6 13.Re1 0-0 14.Na4 fe4 (14...b6!? 15.Ne2 Ne2 16.Qe2 fe4 17.fe4-+) 15.Nc5 ed3 16.Bd4 ed4 17.Nb3 Bd7 18.Kb2 Rac8 19.Rc1 b5 20.cb5 Rc1 21.Nc1 Bb5 22.Nh3 Nd5 23.Nb3 Rb8 24.Ka1 Bc4 (24...Ne3 25.Nd4 Nc2 26.Nc2 dc2 27.Qb4 Qf6 28.Ka2-+) 25.Na5 Ne3 26.Nf4 (26.Nc4 Nc4 27.Qa2 d5-+) 26...Qf7 (26...Qe8 27.Nd3 Qa4 28.Nc4 Nc2 29.Qc2 Qc2 30.Ncb2-+) 27.Nd3 (27.Rb1 Rb1 28.Kb1-+) 27...Bd3 28.Qd3 Qd5 (28...Ng2?! 29.Nc6 Re8 30.Nd4-+) 29.Qd2 Rb5 30.Rc1 Ra5 31.Rc8 Kf7 32.Rc7 Kf6 33.Kb2 (33.Qd3 Ng2 34.f4 Ne3-+) 33...Rb5 34.Ka1 (34.Kc1-+) 34...Ra5 35.Kb2 Rc5 36.Rc5 Qc5 37.Qd3 Qc3! 38.Qc3 dc3 39.Kc3 Ng2 40.Kd4 Ke6 0–1. Solovyev,Mikhail (2030) – Maksimov,Sergei Alexandrovic (2230), Tatarstan–ch op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Nf3 e5 6.Bb2 Nf6 7.d3 (7.Qb3 Bc5 8.Bd3 d6=) 7...d6 (7...Qb6 8.Nc3=+) 8.Be2 Be7 (8...Nh5 9.Bc1=) 9.0-0 0-0 10.Qb3 Bg4 11.Qc2 Rc8 12.Nc3 Bf3 13.Bf3 Nd4 14.Qd1 a6 15.Bg4 Rc7 16.Ne2 (16.Nd5 Nd5 17.cd5 b5+=) 16...Ng4= 17.Nd4 Nh6 (17...Nh2 18.Kh2 ed4 19.Bd4=) 18.Ne2 b5 (18...f5 19.Nc3+=) 19.Bc3 (19.cb5 ab5 20.Nc3 Rb7+=) 19...Qd7= (worse 19...bc4 20.Ba5+-) 20.Ba5 Rcc8 21.Rc1 (21.cb5 Qb5 22.Bb4 f5+=) 21...f5 22.cb5 ab5 (22...Rc1 23.Qb3 d5 24.Rc1 Qb5 25.Qb5 ab5 26.ed5 Ba3 27.Rb1=) 23.Qb3+= Kh8 24.Nc3 The isolani on b5 becomes a target (24.Rc8 Rc8 25.Nc3 Ra8+=) 24...Ng4 (24...Bg5!? 25.Rc2 Ng4=) 25.Qb5+/- Qb5 (25...Qe6 26.Rb1+/-) 26.Nb5 Rc1 27.Rc1 fe4 28.de4 Nf2 29.Rf1?? (better 29.Rc7 Bg5 30.Nd6 Ne4 A) 31.Ne4? Be3 32.Nf2 Bf2 (32...Rf2?! 33.h3=+) 33.Kh1 Be1-+; B) 31.Rf7 Be3 32.Kf1 Rf7 33.Nf7 Kg8 34.Ne5+/-) 29...Ne4-/+ 30.Rf8 Bf8 31.Bb6 (31.Bc7!?=+) 31...d5-/+ 32.a4 Bc5 33.Bc5 Nc5 34.a5 Kg8 (better 34...Na6!?-/+) 35.Nc7= d4 36.a6 Na6 37.Na6 Kf7 38.Kf2 Ke6 39.Kf3 Kd5 40.Nc7 Kc4 41.Ke4 d3 42.Nd5 (worse 42.Ke5 d2 43.Nd5 Kd3 44.Nf4 Ke3 45.Nd5 Kf2-+) 42...d2 43.Ne3 Kc3 44.Kf3 (better 44.h4!?+/-) 44...Kd3=+ 45.Nd1 e4 46.Kf2 g5 (46...h6=) 47.Ne3 (better 47.g4+=) 47...Kc3?? (47...g4 48.g3=) 48.Nd1 (better 48.Ke2!?+-) 48...Kd3+= 49.Ne3 (49.g4 Kc2 50.Ke2 e3+-) 49...h5 (49...g4 50.Nd1 g3 51.hg3 h5 52.Nb2 Kc2+-) 50.h3 g4? (50...h4 51.Nd1 Kc2+-) 51.Nd1?? (better 51.hg4 hg4 52.g3+-) 51...gh3 (better 51...g3 52.Kg3 Ke2 53.Nc3 Kf1=) 52.gh3+/- Kd4 53.Ke2 e3 (53...Ke5!?+/-) 54.Ne3 Ke4 55.Nd1 (55.Kd2?! Kf3=) 55...Kf4 56.Kd2?? (better 56.Kf2+-) 56...Kg3= 57.Ke2 Kh3 58.Nf2 Kg2 59.Ke3 h4 60.Ke2 h3 61.Nh3 ½-½. Molchanov,Alexe (2400) - Sergienko,S (2335), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    4.c4 e5

    5.Bb2 Nc6 6.Nf3 Bc5 7.Qb3 d6=+ 8.Nc3 Nf6 9.Bd3 a6 10.h3 Nh5 11.Nd5 0-0 12.g4 Nf6=+ 13.Ne3 Be6 14.Qc2 Rc8 15.Bc3 Be3 16.fe3 Na5 17.Rb1 Bc4 18.g5 Nd7 19.Ba5=+ Qa5 20.Bc4 d5?? 21.ed5+- b5 22.Qf5 Rc4 23.Qd7 Qa3 24.Ne5 (24.Ne5 Rc1 25.Ke2+-) 1–0. Shirazi,K (2420) – Lonnoy,R (1980), 4th Open Proville FRA (7), 2007.

    5.Bb2 Qh4 6.Qe2 d6 7.Nf3 Qf4 8.d4 Bg4 9.Nbd2.

    5.Qb3 Bc5 6.Qg3 Qf6 7.Bb2 Nc6 8.Nc3 Nge7 9.Nf3.

    5.Qb3 Nc6 6.Nc3 Nd4 7.Qd1 Bc5 8.Nf3 d6 9.Be2.

    5.Qb3 Nc6 6.Nf3 Bc5 7.d3 Qb6 8.Qb6 Bb6 9.Be3 Be3 10.fe3 d6 11.Nc3 Nf6 12.Be2 0-0 13.h3 b6 14.Rf1 Na5 15.Rb1 Bd7 16.Nh4 Rac8 17.Kd2 Rc5 18.Nf5 Bf5 19.Rf5 Rd8 20.Rff1 h6 21.a4 Nb7 22.Rb5 Ne8 (22...Rc7!?=) 23.Nd5+/- Kf8 24.Bh5 f6 25.Bg4 Kf7 26.Bh5 Kf8 27.Bg6 Na5 28.Rfb1 Nc6 29.Kc3 Ne7 30.Ne7 Ke7 31.a5 Rb5 (worse is 31...ba5 32.Rc5 dc5 33.Rb5+/-) 32.Rb5 ba5 (better is 32...Nc7!? 33.Rb3 ba5+=) 33.Bf5+/- a4?? (better is 33...Kf8+/-) 34.Rb7+- Kf8 35.Be6 (35.Ra7?! Kg8+-) 1–0. Hamann,Carsten (2215) – Hengst,Egbert, Schleswig Holstein–ch M, 2007. (=1.e4 c5 2.b4 cb4 3.a3 b3)

    5.Qb3 Nf6 6.Nc3 (6.Qg3 Nc6 7.d3 Bc5 8.Nf3 d6 9.Be2) 6...Bc5 7.Be2 Nc6 8.Nf3 0-0 9.0-0.

    5.Nf3 Nc6 6.Bb2 Qa5 7.Bd3 Bc5 8.Nc3 Nge7 9.Qb3 a6 10.Nd5 d6 11.Ne3 0-0 12.0-0 Rb8 13.Rad1 b5=+ 14.cb5 ab5 15.Be2 Qb6 16.d4 Nd4=+ 17.Nd4 ed4 18.Nd5 Nd5 19.ed5 Bf5 20.Qf3 Bg6 21.Bd3=+ Rfe8 22.h4 Re5-/+ 23.Rd2 Rbe8 24.Rfd1 Be4 25.Be4 Re4 26.Rd3 Rh4-+ 27.g3 Rhe4 28.Kg2 R8e5 29.Rh1 Qb7 30.Bc1 Qd5 31.Bf4 Rf5 0–1. Capron,Daniel (2135) – Milanovic,Di (2075), 3rd Open St Chely d'Aubrac FRA, 2003.

    3.a3 Nc6

    4.d4 d5 5.ed5 Qd5 6.Nf3 Bg4 7.Be2 e6 8.0-0 Nf6 9.c4 bc3! 10.Nc3 Qd8 11.Rb1 Rb8 12.Qa4 Qa5 (12...Bd6 13.Bg5 0-0 14.Nb5+=) 13.Bb5 (better is 13.Rb7! Qa4 14.Rb8 (14.Na4?? Rb7 15.Re1 Rb8-+) 14...Nb8 15.Na4=) 13...Qa4-/+ (13...Qc3? 14.Bc6 Qc6 15.Qc6 bc6 16.Rb8 Kd7 17.Rb7 Kc8 18.Rf7+-) 14.Ba4 Nd7 (14...Bf3!? 15.gf3 Kd7-/+) 15.Bf4+= Rc8 (15...Rd8 16.Rb7 Bf3 17.gf3 Nd4+-) 16.Rb7+= Bf3 17.gf3 g5 (better is 17...Nb6!? 18.Bb5 Kd8+/-) 18.Bc7+/- Nd4 19.Rd1 Bc5? (19...Bg7 20.Ne4 Ra8+-) 20.Ne4 Nf3 21.Kg2 Nh4 22.Kf1 (22.Kf1 0-0 23.Bd7 Rc7 24.Rc7+-) 1–0. Kopkan,Pavel (1905) – Balka,Ludvik (1840), Brno Duras BVK op–A, 2006. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    4.d4 e6 5.ab4 Bb4 (5...Qh4 6.Qd3 Nb4 7.Qe2+=) 6.c3= Ba5 (6...Bd6 7.Nh3=) 7.Nf3 (better is 7.d5 Nce7 8.Nf3=) 7...d6?? (7...d5 8.e5+=) 8.Qa4?? (better is 8.d5 Bd7 9.dc6 Bc6 10.Nd4+/-) 8...Bd7 (8...d5=) 9.Bb5 (9.d5!? ed5 10.ed5+=) 9...Bc7 (9...Bb6 10.Bg5 Qc7 11.Nfd2+=) 10.d5 ed5 11.ed5 Ne5 12.Ne5 de5 13.0-0 a6 14.Bd7 Qd7 15.Qb3 Bd6 (15...b5 16.Na3 Rb8 17.Nb1-/+) 16.Na3 (16.c4 Nf6=) 16...Nf6 (16...Bc5+=) 17.Nb5 (17.Nc4 Bc5 18.Be3 Be3 19.Ne3+=) 17...0-0?? (better is 17...Bc5 18.c4 0-0-/+) 18.Nd6+= Qd6 19.Ba3 Qd5 20.Qd5 Nd5 21.Bf8 Kf8 22.c4 Nf6 23.Rfe1 Nd7 24.Rad1 Ke7 25.f4 f6 26.Rb1 b6 27.f5 Rc8 28.Rec1 a5 29.Rb5 Rc6 30.Rd5 Rd6 31.Rcd1 Rd5 32.Rd5 Nc5 33.Kf1 a4 34.Ke1 a3 35.Rd2 Ne4 36.Ra2 Nd6 37.Ra3 Nf5 38.Ra6 Nd6 39.Rb6 Nc4 40.Rb7 Kf8 41.Ke2 Nd6 42.Rd7 Nf5 43.g4 Ne7 44.Ke3 Kf7 45.Kd3 Ke6 46.Ra7 g6 47.Kc4 f5 48.g5 f4 49.Kd3 Nc6 50.Rh7 Kf5 51.h4 Nd4 52.Rh8 Kg4 53.h5= Kg5 54.h6 Nf5 55.h7 Kh6 56.Ke4 Kg7 57.Ra8 Kh7 58.Ke5 f3 59.Kf4 f2 60.Ra1 Kh6 61.Rh1 Kg7 62.Rf1 Kf6 63.Rf2 Nh6 64.Rg2 g5 65.Rg5 Nf7 66.Rg8 Ke7 67.Rg6 Nd6 68.Ke5 Nf7 69.Kd5 Nd8 70.Rh6 Nf7 71.Re6 Kf8 72.Rg6 Ke7 73.Kc5 Kf8 74.Kb6 Ke7 75.Kc7 Ke8 76.Re6 Kf8 77.Kd7 Kg7 78.Ke7 Nh6 79.Rf6 Ng8 ½–½. Hummel,Thomas (1725) – Grasser,Stefan (1605), Nuremberg Zabo op 3rd, 2001.

    4.d4 Nf6 5.d5= Ne5 6.f4 Ng6 7.e5 Ne4 8.Qd4 (better is 8.Qe2 f5 9.ef6+= (worse is 9.ab4 e6-/+)) 8...Nc3? (8...f5 9.ef6 (worse is 9.Qb4 e6 10.d6 Qh4 11.g3 Ng3-/+) 9...Nf6 10.ab4=) 9.ab4 (better is 9.Nc3 bc3 10.f5 (10.Qc3?! d6=) 10...Ne5 11.Qe5+-) 9...Nb1+= 10.Rb1 e6 11.d6 Nh4 12.c4 Nf5 13.Qf2 f6 14.Nf3 b6 15.g4 Nh6 16.h3 Bb7 17.Bg2 fe5 18.fe5 Nf7 19.0-0 Rc8?? (19...Qb8+-) 20.Ng5 Ne5 21.Bb7 Rc4 22.Nf7 Nd3 23.Qf3 Qf6 24.Qd3 Qd4 25.Qd4 Rd4 26.Nh8 Bd6 27.Bb2 Rb4 28.Bg7 Bc5 29.Kg2 Rc4 30.Rbc1 (30.Rbc1 Rc1 31.Rc1+-) 1–0. Lukas,Norbert (2140) – Funda,Danny, Gelsenkirchen–ch, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    4.ab4 a6

    5.b5 Nb8 6.d4 d5 7.ed5 Nf6 8.Nf3 +-.

    5.b5 Nb8 6.d4 d6 7.Nf3+- e6 8.Bd3 Be7 9.0-0 a5 10.e5 (10.c4 Nf6+-) 10...de5 11.de5 (11.Ne5?! Qd4 12.Nc4 Qa1+=) 11...Nd7 12.Qe2 Nc5 13.Rd1 Qc7 14.Na3 (14.Nc3 Nh6+-) 14...Nd3 (14...Bd7!?+-) 15.Qd3 (15.cd3?! Bd7+/-; 15.Rd3?! Bd7+/-) 15...Bc5? (15...Nh6 16.Nc4 0-0 17.b6+-) 16.b6 (16.Nc4 f6+-) 16...Qb6 (16...Bb6 17.Nc4 Bc5 18.Ba3+-) 17.Rb1 Qc7 (17...Bf2 18.Kf1 Ne7 19.Rb6 Bb6 20.Qb5 Nc6 21.Qb6+-) 18.Nb5 Qe7 19.Nd6 Kf8 20.Qb5 (20.Ba3 Ba3 21.Qa3 b5 22.Rb5 Bd7+-) 20...Bd6? (20...Bb4+-) 21.ed6 (21.Rd6?! g6+-) 21...Qd7 22.Ne5 Qb5 23.Rb5 Nf6 (23...f6 24.Ba3 Ke8 25.d7 Bd7 26.Nd7+- (26.Rd7?! fe5 27.Rbb7 Rd8 28.Rd8 Kd8+-)) 24.d7 Nd7 25.Nd7 (25.Rd7?! Bd7 26.Nd7 Ke7 27.Rb7 Rhd8 28.Nb6 Ke8=) 25...Ke7 (25...Bd7 26.Rd7 b6 27.Rb6 h5+-) 26.Ba3 Ke8 27.Nb6 Rb8 (27...f6 28.Na8 Kf7+-) 28.Rc5 1–0. Ayza Leon,David (2195) – Baktache,Mohamed Ali (2050), Benidorm ESP, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 a6)

    5.b5 Nb8 6.d4 e6 7.Bd3 d5 8.e5 Qb6 9.Nf3 Bd7 10.Qe2 Ne7 11.Bd2 Qd8 12.h4 a5 13.Nc3 Nc8 14.Na4 b6 15.Ng5 Be7 16.Qf3 Bg5 17.hg5 g6? (17...Ne7!?+/-) 18.Qf6 Qf6 19.gf6 h5 20.g4 h4 21.Bg5 h3 22.Rh2 Kd8 23.Ke2 Kc7 24.Kf3 Na7 25.Rb1 Na6 26.c3 Nb4 27.cb4 Bb5 28.ba5 Bd3 29.ab6 Kc6 30.Rc1 (30.ba7 Bb1 31.Kg3 Ra7+=) 30...Kb5 31.ba7 Ka4 32.Kg3 Kb5 33.Rc7 Rhf8 (33...Kb6 34.Rf7 Bf1 35.Rh1+-) 34.Bh6 (34.Rh3?! Kb6 35.Re7 Ra7+-) 34...Rfc8 35.Rf7 Kb6 (35...Kc4 36.Re7 Bf1 37.f7+-) 36.Rh3 Rc3 37.Be3 Ra7 (37...Ra3 38.Rhh7 Rc3 39.Rb7 Ka6 40.Rb8 Ra7 41.Ra7 Ka7 42.Rg8+-) 38.Ra7 Ka7 39.Rh7 Kb6 40.f7 Rc8 41.Bh6 g5 42.Rg7 Rf8 43.Bg5 1–0. Wege,Jochen – Haase,Wolfgang, Hessen qual, 1991. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

    5.b5 Ne5 6.d4 Ng6 7.f4 e6 8.c3 d6 9.Nf3 Bd7 10.ba6 ba6 11.Ra6 Ra6 12.Ba6 Qb6 13.Bd3 Be7 14.Be3 Qc7 15.0-0 Nf6 16.Qc2 (16.f5 ef5 17.ef5 Nd5+-) 16...Ng4 17.Bd2 Nf6 18.Bc1 0-0 19.Nbd2 (19.f5 ef5 20.ef5 Nh8+/-) 19...Bc6 (19...Nf4 20.Ng5 e5 21.Ngf3=) 20.Ba3 (20.Ng5!?+/-) 20...Nf4= 21.Nc4?? (better is 21.e5 de5 22.Be7 Qe7 A) worse is 23.de5 Ng4+= (worse is 23...Nd3 24.Qd3 Qc5 25.Qd4=); B) 23.Ne5 Nd3 24.Qd3=) 21...Nd3-+ 22.Qd3 Bb5 23.Nfd2 Rc8 (better is 23...d5!? 24.ed5 Ba3 25.de6 Bd6 26.ef7 Rf7-+) 24.e5-/+ Ne8 (better is 24...Bc4 25.Nc4 Qc4 26.Qc4 Rc4 27.ef6 Bf6 28.Bd6 Rc3-/+) 25.Qf3= f6 26.ed6 Bd6 27.Nd6 Nd6 28.Bd6 Qd6 29.Rb1 Bc6 30.Qe3 Qd5 31.Nf3 Qe4 32.Qe4 Be4 33.Rc1 Bd5 34.Kf2 Kf7 35.Nd2 Ra8 36.c4 Bc6 37.Kg3 Ra2 38.Nf3 h6 39.Rb1 Rc2 40.c5 Rc3 41.Rb6 Bd5 42.Kg4 g6 43.Ra6 h5 44.Kg3 g5 45.Kf2 Kg6 46.Ra1 Kf5 47.Re1 Rc2 48.Re2? Rc4?? 49.Rd2-/+ Kf4 50.Ne1 Be4 51.Nd3 Bd3-/+ 52.Rd3 Ke4 53.Re3 Kd5 54.Rd3 f5 55.Kf3 e5 56.de5 Ke5 57.Rd6 Rc5 58.Rg6 Rc3 59.Kf2 g4 60.Rh6-/+ Rc2 61.Kg1 Kf4 62.Rh5 g3 63.hg3 Kg4 64.Rh4 Kg3 65.Rh3 Kg4 66.Rf3 f4 67.Rf2 Rc1 68.Rf1 ½–½. Marchena Hurtado,Javier – Fraile Rojo,Juan, Alfaro op, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

    5.c3 e6 6.Nf3 d6 7.d4 Nf6 8.b5 Nb8 9.ba6 Na6 10.Bb5 Bd7 11.Bd7 Qd7 12.e5 de5 13.Ne5 Qc7 14.0-0 Bd6 15.Ba3 (15.Qa4 Nd7 16.Bf4 Ke7=) 15...Ba3 (15...Be5!? 16.de5 Qe5=+) 16.Na3 (16.Qa4 Kf8 17.Qa3 Kg8+/-) 16...0-0 (16...Qc3 17.Qa4 Ke7 18.Rfc1+/-) 17.Nb5 Qb6 18.Qe2 Rac8 (18...Rfd8 19.Qc4+=) 19.c4 (19.Rfb1+/-) 19...Rfd8 (better 19...Nc7!? 20.Nc7 Qc7+=) 20.c5 Qb5?? (better 20...Nc5 21.dc5 Qc5+/-) 21.Qb5 Rc7 (21...Rb8 22.Rfb1 Nd5 23.Qb3+-) 22.c6 Rd5 (22...Nb8 23.cb7 g6+-) 23.Ra6 ba6 (23...Rb5?? 24.Ra8 Rc8 25.Rc8 Ne8 26.Re8) 24.Qb8 Rd8 (24...Rc8 25.Qc8 Rd8 26.Qd8 Ne8 27.Qe8) 25.Qd8 (25.Qd8 Ne8 26.Qe8) 1-0. Mukhina,Jana (2065) - Natoli,Alessia, Djerba Women Online, 2020. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4)

    5.d4 e6 6.c3 d5 7.e5 f6 8.b5 Nce7 9.Nf3 fe5 (9...Qc7!?+=) 10.Ne5+- Nf6 (10...Ng6 11.Ng6 hg6 12.ba6 ba6 13.Bb5 Kf7 14.Qf3 Nf6 15.Bf4+-) 11.Bd3 (11.ba6 ba6 12.Bg5 Rg8 13.Bb5 Bd7 14.Bf6 ab5 15.Qh5 g6 16.Qh7 Rg7 17.Bg7 Qc8 18.Ra8 Qa8 19.Bf8 Kd8 20.Qe7 Kc7 21.Qd7 Kb6 22.Qe6 Ka7 23.Bc5 Kb8 24.Qe8 Kb7 25.Qc6 Kb8 26.Nd7) 11...g6 12.Qe2 (12.ba6 ba6 13.Qf3 Nf5+-) 12...a5+- 13.Nd2 Bg7 14.Ba3 (14.0-0 0-0+-) 14...0-0 15.0-0 Re8 ½–½. Winter,Kevin (1825) – Iannello,Antonio (1930), 5th Terre Degli Elimi Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 a6)

    4.ab4 Nb4

    5.Ba3 Qa5 6.c3 Nc6=+ 7.Nf3 d6 8.Bd3 Nf6=+ 9.0-0 Bg4 10.h3 Bf3 11.Qf3 Ne5 12.Qe3 Nd3 13.Qd3 Qe5 14.Re1 g6 15.Qc2 Bg7 16.d4 Qa5 17.Bb2 Qc7=+ 18.Nd2 Nd7 19.Nf3 0-0 20.c4 Rfc8 21.Rac1 Qb6 22.Ba1 Rc6 23.d5 Rcc8 24.Kh1 Qc5 25.Bg7=+ Kg7 26.Qe2 Qb6 27.Nd2 Rc7 28.f4 Rac8 29.Rc3 Qd4 30.Rec1 a6 31.Nb3 Qa7 32.g4 b5 33.Qb2 Kg8 34.cb5 Rc3 35.Rc3 Rc3 36.Qc3 ab5 37.Kg2 Nc5 38.Nc5-/+ Qc5 39.Qc5?? dc5-+ 40.Kf3 b4 41.Ke3 c4 42.Kd4 b3 43.Kc3 Kf8 44.h4 Ke8 45.h5 Kd7 46.e5 f6 47.f5 gf5 48.gf5 fe5 0–1. alaamattar (2160) – rpatru (2180), net–chess.com, 2010.

    5.Ba3 Qb6 6.c3 Nc6 7.d4 d6 8.Nd2 Nf6 9.Rb1 Qa5 10.Bb4 Qc7 11.Bb5 Bd7 12.Ngf3 g6 0–1. chessleon (2005) – alaamattar (2160), net–chess.com, 2010.

    5.Ba3 e5 6.c3 Nc6 7.d4 Ba3 8.Na3 d6 9.d5 Nce7 10.Nf3 Nf6 11.Qb3 0-0-/+ 12.Be2? Ne4-+ 13.Bd3 Nc5 14.Qc2 Nd3 (14...Nd3 15.Qd3 Qa5-+) 0–1. chessleon (2005) – ditto (2035), net–chess.com, 2010.

    5.Na3 e5 6.Nf3 Nc6 7.c3 Nf6-/+ 8.Qc2 a6 9.Be2 Be7 10.0-0 0-0 11.Bb2 (11.d4 d6+=) 11...d6 12.d4 ed4 13.Nd4 Bd7 14.f3 (14.c4 Qc7+=) 14...Rc8 (14...d5 15.Nc6 Bc6 16.e5-/+) 15.Qd1 (15.Qb3 d5 16.ed5 Nd4 17.cd4 Bf5-/+) 15...Ne5 (15...d5 16.Bd3-+) 16.Kh1 (16.c4 Qb6 17.Qd2 Rfe8-/+) 16...Qe8 (16...d5 17.ed5 Nd5 18.Qb3-/+) 17.Qe1 (17.c4 Be6+=) 17...Ng6 (17...d5 18.ed5 Nd5 19.Qd2-/+) 18.Bc1 (18.Nc4+=) 18...Ne5 (18...d5 19.ed5 Nd5 20.Bc4-/+) 19.Nac2 (19.Bb2 d5-/+) 19...Ng6 20.Bd2 (20.Na3 d5-/+) 20...Ne5 (20...d5 21.Qb1 Rc7 22.Ne3 de4 23.fe4-/+) 21.Ne3 (21.Bc1 Be6-/+) 21...Nc6 22.Ndf5 Ne5 23.f4 Ng6+= 24.Bd3 Bc6 25.Nd1 Qd7 26.Nf2 Rfe8 27.Nd4 Bf8 28.Nc6 Qc6 29.c4 Qd7 30.Qb1 Ng4 31.Nh3 Qc6 32.Ng5 Be7 33.Nf3 Bf6 34.Ra2 Nh4 35.h3 Nf3 36.gf3 Nh6 37.f5 Bd4 38.Qc1 Qc5 39.Bh6 gh6 40.Qh6 Qe5 41.Rg2 Kh8= 42.Rc1 ½–½. Aufmwasser,Guenter (1775) – Boensch,Detlef, Seefeld op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    5.Na3 e5 6.Nf3 Nc6 7.Bc4 Be7 8.0-0 Nf6 9.Bb2 d6 10.d4 ed4 11.Nd4 0-0 12.Re1 Ne5 ½–½. Detko,Jan (2120) – Janco,Darius (2075), SVK–chT2B, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.Ra4 a5 +=.

    5.Ra4 e5 6.Nf3 Qc7 7.Nc3 Nf6 8.Ba3 Nc6 9.Qa1 d6 10.Nd5 Nd5 11.ed5 Ne7 12.Ne5 de5 13.d6 Qd7 14.de7 Qa4?? (better is 14...Be7 15.Qe5 Qe6 16.Bb5 Kf8=) 15.ef8Q+- Rf8 16.Qe5 Kd8 17.Qe7 1–0. Barahona Torrijos (2010) – Gonzalo Gonzalez (1875), Collado Villalba op, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.Ra4 e5 6.Nf3 Nf6 7.c3 Nc6 8.Bb5 Be7 9.d4 ed4 10.cd4 d5 11.ed5 Nd5 12.Ne5 0-0 13.Nc6 bc6 14.Bc6 Rb8 15.Bd2 (15.Ra1!?-/+) 15...Bf5-+ 16.Ra1 Nb4 17.Bb4 Bb4 (worse is 17...Rb4 18.0-0-+) 18.Kf1 Qd6 19.d5 (19.Bf3 Rfe8 20.Be2-+) 19...Qe5 (19...Qf6 20.Ra2 Bc5 21.Bb7 Rb7 22.Nc3 Qc3 23.h4-+) 20.Ra7?? (better is 20.Ra2-+) 20...Qb2 (20...Bd3 21.Kg1 Bc5 22.h3 Rb1 23.Qb1 Bb1 24.Re7 Be7 25.Bb5 Qe1 26.Bf1 Bc5 27.Kh2 Bd6 28.Kg1 Bd3 29.f4 Qe3 30.Kh2 Qf4 31.g3 Qg3) 21.d6 Bc5 (21...Bc5 22.Nd2 Bd3 23.Ke1 Ba7-+) 0–1. Barahona Torrijos,Angel (1885) – Sotoca Aguado,Jose (1975), Madrid ESP, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

    5.Ra4 e5 6.Nf3 Nf6 7.Nc3 Bc5 8.Ba3 Qe7 9.Bb4 Bb4 10.Nb5 0-0 11.Na7 (11.Nc7 Rb8-/+) 11...Ne4 (better is 11...Qc5 12.Qb1 Bd2 (12...Ra7?! 13.Qb4 Qb4 14.Rb4+=) 13.Nd2 Ng4 (13...Ra7?! 14.Ra7 Qa7 15.Bd3-/+) 14.Nc8 Ra4-+) 12.c3? (better is 12.Qb1 Ra7 13.Qb4 Qb4 14.Rb4-+) 12...Nf2?? (better is 12...Qc5 13.Qa1 Nc3 (13...Qf2?! 14.Kd1-+) 14.Rb4 Qb4 15.dc3 Qc5-+) 13.Kf2?? (better is 13.Nc8 Nd1 14.Ne7 Be7 15.Ra8 Ra8 16.Kd1+=) 13...Bc5-/+ 14.d4 Ra7 15.dc5+= Qc5 16.Kg3 Ra4 17.Qa4 d5 18.Qb4 Qc7 19.Kf2 e4 20.Nd4 Qf4 21.Ke1 Qc1 22.Kf2 Qd2 23.Ne2+= Bf5 24.Qd4 Qa2 25.Ke3 Be6 26.Ng3 f5 27.Nh5 f4 28.Nf4 g5 29.Ne2 Qa1?? 30.Qe5+- d4 31.Qd4?? Rf1+/- 32.Rf1 Qf1 33.Qe4 Qf7 34.Qe5 h6 35.Nd4 Bc8 36.Nb5 Qe6 37.Kd4 Qb6 38.Kc4 Be6 39.Kb4 Qc6 40.Qc7 Qg2-/+ 41.Qd8 Kg7 42.Qe7 Bf7 43.Qe5 Kg8 44.Nd6 Qb2 45.Kc5 Qa3 46.Kb6 Qa6 47.Kc7 Qc6 48.Kb8 b5 49.Qe7 Qb6 50.Kc8 Qc6 51.Kb8 ½–½. Barahona Torrijos,Angel (1885) – Villanueva Ortega,Ruben (1610), Madrid ESP, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

    5.Ra4 e6 6.Ba3 Qb6 7.c3 Nc6 8.Bf8 Kf8 9.Na3 Nf6 10.Nf3 d5 11.ed5 ed5 12.Nd4 (12.Be2!?+=) 12...Bg4 13.f3 Bd7 14.Be2 g6 15.0-0 Kg7 16.Kh1 Rhe8 17.Nac2 a6 18.Ne3 Rad8 19.Qe1 Ne7 20.Rb4 Qc7 21.Qh4 Qc8 (21...b5 22.Rb2+=) 22.Bd3 (22.Rb6 Bc6=) 22...Nfg8 23.f4 Nh6 24.f5 Bf5 25.Bf5 Nef5 26.Ndf5 Nf5 27.Nf5 gf5 28.Qg5 Kf8 29.Qh6+/- Kg8 30.Rh4 Qe6 31.Qh7 Kf8 32.Rhf4 Qg6 33.Qh3 Re6 34.Rf5 Rd7 35.Qh8 Qg8 36.Qh5 Qg6 37.Qh8 Qg8 38.Qh5 Qg6 39.Qh4 Re4 40.Qh8 Qg8 41.Qh5 Qg7 42.g3 Rde7 43.Rg5 R4e5 44.Rf7! Rf7 45.Re5 Qf6 46.Qe2 Qc6 47.d4 a5 48.g4 a4+/- 49.g5 a3 50.Re6?? a2-+ (50...a2 51.Rc6 a1Q 52.Kg2 bc6-+) 0–1. Dos Santos,B (2015) – Bil,A (2100), Zonal, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.Ra4 e6 6.Ba3 Nc6 7.Bf8 Kf8 8.Nf3 a6 9.d4 Rb8 10.d5 ed5 11.ed5 b5 12.Ra3 Nce7 13.Be2 d6 14.0-0 Nf6 15.Re1 Ned5 16.c4 Nf4 17.cb5 ab5 18.Nd4 b4 19.Ra4 Bd7 20.Ra6 Rb6 21.Ra7 Qb8 22.Ra5 d5 23.Nd2 g6 24.N2b3 Kg7 25.Bf3 Rc8 26.Qa1 Rc3 0–1. Skorna,Ullrich (2195) – Mauro,Lucio (2225), CFriend AC–2005–Q–00006 email, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.c3 Na6 6.d4 e6 7.Bd3 Nc7 8.f4 d5 9.e5 Ne7 10.Ne2 Bd7 11.0-0 g6 12.Qb3 Bc6 13.Nd2 Nf5 14.Nf3 Be7 15.Ba3 0-0 16.Rfb1 Ba3 17.Qa3 Qe7 18.Qc1 Nh4 19.Nd2 a6 20.Qc2 Nf5 21.Bf5 ef5 22.Qa2 Ne6 23.Nf1 Rfd8 24.Ne3 Rac8 25.Rb2 f6 26.g3 fe5 27.fe5 Qg5 28.Ng2 Bb5 29.Qb3 Be2 30.Re2 f4 31.Rf1 fg3 32.hg3 Qg3 33.Qb7 Ng5 34.Re3 Nh3 35.Kh1 Nf2 36.Kg1 Nh3 37.Kh1 Nf2 ½–½. Leeners,Henk JM – Hanssen,Frans WG, NED–Cup corr, 1995. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.c3 e5?? 6.cb4+- Bb4 7.Ba3 Ba5 8.Bc4 Nf6 9.Nf3 d6 10.0-0 Ne4 11.d4 Bb6 12.de5 0-0 13.ed6 Bd7 14.Qd5 Bc6 15.Qd3 Ng5? 16.Bd5 Bd5 17.Qd5 Ne6 18.d7 Nc7 19.Qd3 Ne6 20.Bf8 Nf8 21.Rd1 Ne6 22.Nc3 Nf4 23.Qe4 Ne6 24.Nd5 Bc5 25.Ne5 Bd6 26.Qf5 Be5 27.Qe5 Nc5 28.Ra3 Nd7 29.Qg3 Nc5 30.Rf3 Ne6 31.Nf6 Kh8 32.Rd8 Rd8 33.Rd3 Rc8 34.Rc3 Rd8 35.Rc1 gf6 36.f3 b5 37.Ra1 Nd4 38.Ra7 Ne2=+ 39.Kf2 Ng3 40.Kg3 Rd4 41.Rf7+= Kg8 42.Rf6 b4 43.Rb6 Kg7 44.Kf2 Rc4 45.g4 1–0. rpatru (2180) – ditto (2035), net–chess.com, 2010.

    5.Nc3 b6 6.Ba3 e6 7.Rb1 Nc2 8.Qc2 Ba3 9.Nb5 Bc5 10.d4 a6 11.dc5 ab5 12.Bb5 bc5 13.Ne2 Qc7 14.0-0 Nf6 15.f4 Bb7 16.Nc3 c4 17.Rbe1 0-0-+ 18.f5 Ng4 19.fe6?? Qh2# 0–1. rogeliovargas (2180) – pcmvr (2840), net–chess.com, 2010.

    5.Nc3 d6 6.Bc4 Nf6 7.Ba3 Nc6 8.Nge2 g6 9.0-0 Bg7 10.h3 0-0 11.d3 a6 12.Bb2 Bd7 13.Nd5 Nd5 14.Bg7 Kg7 15.ed5 Ne5 (15...Na5 16.Re1-/+) 16.Bb3+= g5 17.f4 gf4 18.Nf4 Ng6 19.Nh5 Kh8 20.Qd2 f6 21.Rae1 Rg8 22.Re4 Bh3! 23.Rf3 Bg2! 24.Qg2 Nh4 25.Rh4 Qb6 26.d4 Rg2 27.Kg2 Rg8 28.Kf2 Qa5 29.Ng3 Qd2 30.Ne2 Qg5 31.Rfh3+= Rg7 32.Bc4 Kg8 33.Bd3 Qd5 34.Bh7+= Kf8 35.Be4 Qb5 36.Nf4+/- Qc4?? 37.Rh8+- Rg8 38.Ng6 Kg7 39.R3h7# 1–0. Bach,Matthias (2270) – Rasmussen,Lars (1955), Helsingor DEN, Politiken Cup, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.Nc3 e5 6.Ba3 Nf6 7.Nf3 Bc5 8.Na4 Ne4?? (better is 8...Be7+=) 9.Nc5+- Nc5 10.Bb4 Ne4? (better is 10...Qb6 11.Ba5 Qe6+-) 11.Qe2 d5 (11...f5 12.d3 Qb6 13.c3+- (13.de4?! Qb4 14.Nd2 Qc3+-)) 12.d3 (better is 12.Qb5 Bd7 13.Qd5 Ng5 14.Ng5 Qg5 15.Qb7 Rd8+-) 12...Nd6 (12...Qb6 13.c3 Nf6+-) 13.Qe5 Be6 14.d4 Kd7 15.Qd6 Kc8 16.Qd8 Rd8 17.Ba3 b6 18.Ba6 Kc7 19.Ne5 1–0. Utrera,Ludovic (1735) – Bigonnet,Jean Michel (1755), Aveugle rap blindfold 3th rapid, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.Nc3 e6 6.Ba3 a5 7.Nf3 d5 8.ed5 ed5 9.Bb5= Bd7 10.Bb4 Bb5? 11.Bf8+- Bc6?? 12.Bg7 Qe7 13.Qe2 Qe2 14.Ne2 (14.Ne2 f6 15.Bh8+-) 1–0. rogeliovargas (2180) – chessleon (2005), net–chess.com, 2010.

    5.c4 e6 6.Nc3 b6 7.d4 g6 8.Nf3 Bg7 (better is 8...Bb7!?=) 9.Nb5+/- Nc6 (9...d5 10.Qa4 a5 11.Nc7 Ke7 12.Na8 de4 13.Ne5 Qd4 14.Qb4 ab4 15.Nc6 Kd6 16.Nd4 Bd4 17.Ra7+-) 10.Nd6 (better is 10.Bf4!? e5 11.Ne5+-) 10...Kf8+/- 11.e5 Nh6 (11...f6 12.Ba3 (12.Nc8?! Rc8 13.Be2 fe5=) 12...Nge7 13.Ng5+/-) 12.Ng5 (12.Bd3!?+/-) 12...f6 13.Qf3 f5 (13...Nf5 14.Ne6 de6 15.Nf5 ef5 16.Qc6 Bd7 17.Qd6 Kf7 18.Qd5 Be6 19.Qd8 Rhd8+= (19...Rad8? 20.Ra7 Rd7 21.Rd7 Bd7 22.f4+-)) 14.Ne6!+- de6 15.Qc6 Bd7 16.Qb7 Nf7 17.Ra7 Ra7 18.Qa7 Nd6 19.Ba3 (19.ed6?! Bd4 20.Be3 Be3 21.fe3 Bc6+=) 19...Kf7 20.Bd6 (20.ed6?! Bd4 21.Bd3 Qc8=) 20...Bf8 21.Bc7?? (better is 21.Bd3+-) 21...Bb4-/+ 22.Ke2 Qh4 23.f3?? (23.Qb7 Qg4 24.Qf3 Qd4 25.Qd3 Qb2 26.Kf3 Bc6 27.Kg3 f4 28.Kh3 Qf2 29.Bb6 Qb6 30.c5 Qc5 31.Qc4 Qe3 32.g3-+) 23...Qd4 (23...Qe1 24.Kd3 Qd2) 24.Bb6 Qd2# 0–1. Zelinsky,A (2090) – Samosyuk,Volodymyr, 1st Evgen Zaveriukha Mem, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    5.Bc4 Qc7 6.Bb3 Nf6 7.Ba3 e6 8.d3 d5 9.Nd2 de4 10.de4 Bc5 11.Ngf3 0-0 12.c3?? Nd3-+ 13.Ke2 Nf2 14.Qc2 Nh1 15.Rh1 Ba3 16.g3 Bc5 17.Rd1 Ng4 18.Rf1 Bd7 19.Qd3 Rad8 20.Qc4 a6 21.Bc2 Bb5 22.Bb3 Bc4 23.Bc4 b5 24.Bd3 Be3 25.Nb1 Rd3! 26.Kd3 Qc4 (26...Qc4 27.Kc2 Qa2 28.Kd1 Qb1 29.Ke2 Qc2 30.Ke1 Rd8 31.c4 Rd1) 0–1. ditto (2035) – pierred (2755), net–chess.com, 2010.

    5.Bc4 Qc7 6.Bb3 Nf6 7.Nc3 Ne4 8.Ne4 Qe5 9.d3?? Qa1-+ 10.Nf3 d5 11.Ned2 a5 12.0-0 b5 13.Re1 e6 14.Ng5 Be7 15.Qf3 Bg5 16.Bd5 Ra6 17.Nb3 Qc3 18.Rd1 Bc1 19.Rc1 ed5 20.Qe2 Re6 21.Qh5 Re1 22.Re1 Qe1 0–1. rogeliovargas (2180) – pierred (2755), net–chess.com, 2010.

    5.Bc4 Qc7 6.d3 b5 7.Bb3 a5 8.Qf3 Nf6-/+ 9.Bd2 e6 10.Ne2 a4 11.Ba2?? Nc2-+ 12.Kf1 Na1 13.Nbc3 Nb3 14.Bg5 b4 15.Nb5 Qe5 16.Bf6 Nd2 17.Ke1 Nf3 18.gf3 gf6 19.Bc4 Qa1 20.Kd2 Qh1 21.Nc7 Kd8 22.Na8 Qf3 23.Nd4 Qf2 24.Ne2 Bh6 25.Kd1 b3 26.h3 Qf1# 0–1. ditto (2035) – pcmvr (2840), net–chess.com, 2010.

    5.Bc4 Qc7 6.Nf3?? Qc4-+ 7.d3 Nc2 8.Ke2? Qc5 9.Ba3 Na3 10.Na3 Nf6 11.Nc4 g6 12.Qd2 Ne4! 13.Qe1 Bg7 14.Ra5 Nc3 15.Kf1 Qc7 16.Ng5 0-0 17.Qc3 Bc3 18.Ra2 d5 19.Ne3 Bf6 20.Nf3 Qc1 21.Ne1 Bc3 22.N3c2 d4 23.Ra5 Ba5 24.g3 Bh3 25.Ke2 Bg2! 26.Rg1 Qd2 0–1. ditto (2035) – rogeliovargas (2180), net–chess.com, 2010.

    5.Bc4 e6 6.d3 d5 7.ed5 ed5 8.Nf3?? dc4-+ 9.Qe2 Be7 10.Bb2 Be6 11.Bg7 cd3 12.cd3 Nd3 13.Kf1 Bc4 14.Nfd2 (14.Nfd2 Rc8 15.Nc4-+). ditto (2035) – chessleon (2005), net–chess.com, 2010.

    5.Bd3 Nd3-/+ 6.cd3 d5 7.e5 Bf5 8.Nf3 Bd3 9.Bb2 e6 10.Nc3 Ne7 11.Qa4 Nc6 12.Qf4? Be7 13.Nd4 0-0 14.Qg3 Bg6 15.0-0?? Nd4 16.Nd1 Ne2 17.Kh1 Ng3 18.fg3 a6 19.d4 Qb6 20.Bc3 Bd3 21.Rf4 Bb4 22.Bb2 Qc7 23.Rc1 Qe7 24.Nf2 Bc4 25.Rb1 a5 26.Bc1 f6 27.Ng4 fe5 28.Ne5 Ba6 29.Be3 Bc3 30.Rg4 Kh8 31.Bc1 Rf2 32.Be3-+ Re2 33.Bf4 Bd4 34.Bg5 Qa3 35.Rd4 Rc8 36.h4 Qg3 37.Rg4 Re1 38.Re1 Qe1 39.Kh2 Qe5 40.Bf4 Qe2 41.Kh3 Rc3 42.Bg3 Bd3 43.Rf4 Be4 44.Rf2 Qe3 45.Rf8# 1–0. ditto (2035) – rpatru (2180), net–chess.com, 2010.

    5.d4 a6 6.c3 Nc6 7.Na3 e6 8.Bf4 d6 9.Nf3 Be7 10.d5 ed5 11.ed5 Na7 12.Nc4 Nf6 13.Be3 0-0 14.Nb6= Rb8 15.Bd3 Bg4 16.Qc2 Nb5 17.c4 Nc7 18.h3 Bf3-/+ 19.gf3 Nce8 20.h4 Qc7 21.h5 h6 22.Kd2 Nd7 23.Rhg1?? Nb6-+ 24.Bh6 Kh8 25.Be3 Bf6 26.Rab1 Qd8?? 27.Bb6 Qe7 28.Rbe1 Bg5 29.Be3 Be3+= 30.fe3 Qf6 31.Qc3 Qf3?? 32.Ref1 Qh3+/- 33.h6! Qh2 34.Kc1 Rg8?? 35.Rh1+- Qe5 36.hg7 Kg7 37.Rh7 (37.Rh7 Kf8 38.Rff7) 1–0. gregorgysi (2245) – lopesqwf (2100), net–chess.com, 2010.

    5.d4 a6 6.c3 Nc6 7.Na3 g6 8.Nf3 Bg7 9.Bd3 b5 10.Nb5 Bb7 11.Na3 Nf6 12.d5 Na5 13.Qa4 0-0? (better is 13...Ne4!? 14.Be4 Bc3 15.Bd2 Ba1 16.Ba5 Qb8+=) 14.Nc2 Ne4 15.Be4 (15.Qe4?! Bc3 16.Bd2 Ba1 17.Na1 Rc8+=) 15...Bc3 16.Bd2 Ba1 17.Ba5 (17.Qa1?! Nb3 18.Qa3 Nd2 19.Nd2 Qb8=; 17.Na1?! Qc7 18.Qa5 Qa5 19.Ba5 f5+-; worse is 17.Qa5 Qa5 18.Ba5 Bg7-/+) 17...Bg7?? (17...Qe8 18.Qa1 f5+-) 18.Bd8 Rad8 19.d6! (19.d6 Bc6 20.Bc6 dc6 21.de7+-) 1–0. b4_player – manne, casual, 2013.

    5.d4 Nc6 6.d5 Nb8 7.c4 b6 8.Nc3 d6 9.Nf3 g6 10.Bf4 (10.Qa4 Bd7 11.Qb3 Bg7+=) 10...Bg7= 11.e5 (11.Nd4 Nf6=) 11...Nd7 (11...Bg4 12.Be2 Nd7 13.0-0 Bf3 14.Bf3 Ne5 15.Qa4 Qd7 16.Be2 Nf3 17.gf3 Bc3 18.c5 Qa4 19.Ra4 bc5 20.Rc1-+) 12.Qa4 Kf8 (12...de5 13.Be5 Be5 14.Ne5 Qc7+=) 13.Ne4?? (better 13.Qc6 de5 14.Be3=) 13...Ne5-/+ 14.Ra3 (14.Ne5 Be5 15.Be5 de5-+) 14...Nf3 (14...Nf6 15.Nf6 Bf6 16.Ne5 Be5 17.Bh6 Bg7 18.Be3-+) 15.Rf3 Nf6 16.Nf6 Bf6 (16...ef6?! 17.Qa3=) 17.Bh6 Bg7 (17...Kg8 18.Be2-+) 18.Qa1 (18.Bg7 Kg7 19.Qa1 f6-/+) 18...f6 (18...Rg8 19.Bg7 Rg7 20.Bd3-/+) 19.Bd2 Bd7 (19...e5 20.de6 Be6 21.Bd3-/+) 20.h4 (20.Bd3 f5 21.Bc3 Bf6-/+) 20...h5 (20...f5 21.Bh6 Rg8 22.Bg7 Rg7 23.Bd3-/+) 21.Bd3 f5 (21...Kf7 22.0-0=+) 22.Qa3 (22.Bc3 Bf6-/+) 22...Bf6 (22...Kf7 23.0-0-/+) 23.Bg5 (23.Bc3 Qc7-/+) 23...Kg7 (23...Qc7 24.0-0-/+) 24.Re3 (24.Bf6 ef6 25.Qd6 Re8 26.Kd2 Qe7 27.Qe7 Re7=) 24...Re8 (24...Qc7 25.0-0 Rhe8 26.Rfe1-/+) 25.Bf6 Kf6 26.Qc3 (26.0-0!?-/+) 26...Kf7-+ 27.g4 (27.Qa3 Qc7-+) 27...e5 (27...hg4!? 28.h5 Rh8 29.hg6 Kg6 30.Rg1-+) 28.de6 (28.gh5 gh5 29.Be2 Rh8-/+) 28...Re6 29.gf5 (29.gh5 gh5 30.Kd2 Qh8-/+) 29...Re3 (29...gf5 30.Kd2 Qh8 31.Be2-/+) 30.fe3 gf5 (worse 30...Bf5 31.Bf5 gf5 32.Qd3=) 31.Qd4 Bc6 (31...Rc8!?-/+) 32.Rg1 (32.Rf1 Qh8 33.Qd6 Qc3 34.Ke2 Qb2 35.Kd1 Ba4 36.Ke1 Qc3 37.Ke2 Qb2 38.Kf3 Qf6 39.Qc7 Qe7=) 32...Qf6 (32...Qh8 33.Bf5 Qd4 34.ed4=+) 33.Bf5 Qd4 (33...Qf5 34.Qg7 Ke8 35.Qh8 Ke7 36.Rg7 Ke6 37.Qh6 Qf6 38.Rg6+-) 34.ed4 Bf3?? (34...Kf6 35.Bd3=) 35.Kf2?? (better 35.Rf1 Re8 36.Kd2+-) 35...Kf6 (35...Bg4 36.Bg4 hg4 37.Rg4=) 36.Kf3 Kf5 37.Rg5 Kf6 38.Ke4 a5 (38...Rh8 39.Rf5 Ke6 40.Rg5=) 39.Rh5 a4 40.Rf5 Kg6 (40...Ke7 41.Rf2=) 41.Rf2 Ra5 (41...Kh5 42.Ra2=) 42.Kd3 (42.Ra2 a3=) 42...d5 43.h5 Kg5 44.Ra2 Kh5 45.Kc3 dc4 46.Kc4 Rg5 47.d5 b5 (47...Kg6 48.Ra4 b5 49.Kb5 Rd5 50.Ka6=) 48.Kc5 Kg6 (48...b4 49.Ra4 b3 50.Rb4=) 49.Kc6 Kf7? (49...Rg1 50.d6 Kf7 51.Rf2 Ke6 52.Re2 Kf7 53.d7 Rc1 54.Kb5=) 50.Re2?? (50.Rf2 Ke8 51.d6+-) 50...b4 (50...a3 51.Kb5 Rd5 52.Kb4=) 51.d6 (51.Rf2 Ke8=) 51...Rg3 52.Re7 Kf6 53.Re4 Rc3 54.Kb5 Rd3 ½–½. Gajda,Rostislav – Bambusek,Vladislav (1660), Valasska Bystrice Open, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.d4 Nc6 6.d5 Ne5 7.Qd4 Qc7 8.f4 Ng6 9.e5 (9.Qc3 Qb8=) 9...d6 (9...Qc2 10.Na3 Qc7 11.Nb5+-) 10.Nf3 a6 (10...de5 11.fe5 Qc2 12.Bb5 Bd7 13.Bd7 Kd7 14.e6 Ke8 15.0-0 fe6 16.de6+=) 11.Bb5= Bd7 12.Bd7 Qd7 13.Ng5 (13.ed6 ed6 (worse 13...Qd6 14.f5+-) 14.0-0 Be7=+) 13...Qf5 (better 13...Qg4!? 14.e6 fe6 (14...Qg2?? 15.Qa4 b5 16.Qb5 ab5 17.Ra8) 15.Qa4 b5 16.Qb5 ab5 17.Ra8 Kd7 18.Ne6 Qe6 19.de6 Ke6+-) 14.Nf7= Qf7?? (better 14...Qc2 15.Na3 Qg2=) 15.e6+- Qf6 (15...Nf6 16.Qa4 Kd8 17.Qa5 Kc8 18.ef7 Kd7+-) 16.Qa4 b5 17.Qb5!! (17.Qb5 ab5 18.Ra8) 1–0. Barahona Torrijos,A (1865) – Moreno Sanchez,G (1620), 21st Torneo San Viator, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.d4 Nc6 6.d5 Ne5 7.Qd4 d6 8.f4 Nd7 9.Ra7 Ra7 10.Qa7 Qc7 11.Qa4 Ngf6 12.Be3 g6 13.Ne2 Bg7 14.Nec3 0-0 15.Nb5 Nc5 16.Qb4 Na6 17.Qd2 Ne4=+ 18.Nc7 Nd2 19.Ba6 Nb1 20.Bd3 Bd7 21.Nb5 Nc3 22.Nc3 Bc3 23.Kf2 b5 24.Kf3 Ra8 25.Rb1 b4 26.g4 Ra2 27.h3 Bc8 28.f5 Bb7 29.Be4 Ra3 30.Kf2 Ra5 31.Rd1 e6! 32.fe6 fe6 33.Bb6 Ra2 34.Ke3 ed5 35.Bd3 Ra3 36.Rb1 Ra1 37.Ra1 Ba1 38.Bc7 Be5 39.Ba5 Bc3 40.Bc7 Kf7 41.Bd6 Ke6 42.Bf8 Kf6 43.Kf4 Be5 44.Kf3=+ d4 45.Kf2 Kg5 46.Be7= Bf6 47.h4!+/- Kh4 48.Bf6 Kg4 49.Bd4 Bd5 50.Be2 Kf4 51.Bd1 h5 52.Bc5 h4 53.Bb4 g5 54.Be7 1–0. Klings,P (2150) – Schmidlechner,A (2195), 27th Liechtenstein Open, Triesen LIE, 2009.

    5.d4 Nc6 6.Nf3 d6 7.Bb5 Bd7+= 8.0-0 g6 9.c3 (9.d5 Bg7 10.Ra3 Ne5 11.Bd7 Qd7 (worse 11...Kd7 12.Ne5 Be5 13.Be3+-) 12.Ne5 Be5=) 9...Bg7 10.Nbd2 (10.Qb3 Nf6=+) 10...Nh6 (10...Nf6!?=+) 11.h3 0-0 12.Re1 Qc8 (12...Qc7 13.Bd3=) 13.Qb3 (13.Bd3 b6=) 13...Nd8 (13...Qc7 14.Nc4=) 14.Bf1 Be6 (14...Qc7 15.g4 Kh8 16.g5=) 15.Qa3 (15.d5!? Qc3 16.Qc3 Bc3 17.Ra3+-) 15...f6+= 16.Bb2 Nhf7 17.d5 Bd7 18.Nc4 Qc7 19.Qa5 Qa5 20.Ra5 Rb8?? (better 20...b5 21.Nb6 Nb7 22.Nd7 Na5 23.Nf8 Kf8 24.Bb5 Rb8=) 21.Ra7+- Ne5 22.Nfe5 de5? (better 22...fe5 23.Nb6 Be8+-) 23.Nb6 Be8 24.Ba3 Rf7 25.Bc4 Bf8 (25...f5 26.Bc5 Bf8 27.Rea1+-) 26.Bb4 Rg7 (26...f5 27.ef5 Rf6 28.d6 Kg7+-) 27.Rea1 e6 (27...Nf7 28.d6! e6 29.d7+-) 28.Ra8 Ra8 29.Ra8 (29.Na8?! Bb4 30.cb4 ed5 31.ed5 Kf8+=) 29...Bb4 30.cb4 ed5 31.Bd5 (better 31.ed5!? Rc7 32.Rd8 Kf7+-) 31...Kf8 32.Rd8 Rc7 33.Rc8 (better 33.Rb8 Ke7 34.Bb7 Rc1 35.Kh2 f5+-) 33...Re7 (33...Rc8 34.Nc8 b5 35.Na7+-) 34.Rb8 (34.Bc4!? g5+-) 34...Rc7 (34...Kg7 35.Bb7 Bb5 36.Nd5+-) 35.Rb7 (35.Bc4 Rc6 36.Rb7 Rd6+-) 35...Rc1 (35...Rb7 36.Bb7 Bb5 37.Bd5+-) 36.Kh2 Rb1 (36...h5 37.Nd7 Bd7 38.Rd7+-) 37.Nc4 Ba4 (37...Ra1 38.b5 Bb5 39.Rf7 Ke8 40.Nd6 Kd8 41.Nb5+-) 38.Nd6 Bb3 (38...Be8 39.Rb8 f5 40.Re8 Kg7 41.ef5 Rb4 42.g4 g5 43.Re7 Kh8 44.f6 h6 45.Nf7 Kg8 46.Ng5 Kf8 47.Nh7) 39.Bb3 Rb3 40.b5 1–0. Bilek,Roman (1880) – Plasek,Zdenek (2065), Open Letni Praha – B, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.d4 e5 6.c3 Nc6 7.d5 Na5 8.Nf3 b6 (8...Bd6!?=) 9.Ne5+= Qe7 10.f4 f6?? (better is 10...Nf6 11.Nd2 Qd8+=) 11.Ba3+- d6 12.Bb5 Kd8 13.Bd6! (13.Bd6 Qd6 14.Nf7 Kc7 15.Nd6 (15.Nh8?! Qf4 16.Qc2 Bc5+/-) 15...Bd6 16.Qf3+-) 1–0. Raudenbush,William J – Wijnand,Peter, corr, 1978. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

    5.d4 e5 6.c3 Nc6 7.d5 Nb8 8.d6 (8.Nf3 Nf6 9.Ne5 d6 10.Bb5 Nbd7+=) 8...Qb6 (better is 8...Nf6!? 9.Ra4 Qb6=) 9.Na3+/- Qd6 (9...Bd6?? 10.Nc4 Qc6 11.Nd6 Ke7 12.Nf3+-) 10.Qd6 Bd6 11.Nb5 Ke7 12.Nd6 (worse is 12.Ra7 Ra7 13.Na7 Nf6-/+; worse is 12.Na7 Na6 13.Nb5 Nf6+=) 12...Kd6 13.Ba3 Kc7 (13...Ke6!? 14.0-0-0 Nf6 15.Bc4 d5+/-) 14.Bf8+/- h5 15.Bg7 Rh7 16.Be5 d6 17.Bf4 Nc6 18.Bc4 (18.Nf3 Nf6 19.Nd4 Nd4 20.cd4 Ne4 21.Rc1 Kd8 22.f3+-) 18...Nf6 19.f3 (19.Bd3 Rg7 20.Nf3 a5=) 19...Be6 20.Be6 fe6 21.h4 (21.Ne2 Rg7=) 21...Rf7 (21...a5 22.Ne2+=) 22.Nh3= Re8 (22...a5 23.Kd2=) 23.Be3 Kb8 24.Nf4 (24.Ng5 Rg7=) 24...d5 25.e5 Nd7 26.Nd3 (26.Nh5 Nde5 27.Nf4 Nc4=) 26...b6 27.Ke2 Kb7 28.Bd4 Rg8 29.Rag1 Rfg7 30.g4 hg4 31.fg4 Rg4 32.Rg4 Rg4 33.h5 Nf8 34.Rf1 Nd7 35.Rf7 Kc7 (better is 35...Kc8!?=) 36.h6+/- Rh4 37.h7 Nd8 38.Rg7 Kc8 (38...Kc6 39.Nb4 Kc7 40.Bf2+/-) 39.Nf4!+- Nf8 (39...Rf4 40.h8Q Combination) 40.Rg8 (40.Ra7?! Rh7 41.Ra8 Kc7 42.Bb6 Kb6 43.Rd8 Nd7=) 40...Rh7 (40...Nh7?? 41.Ne6 Kd7 42.Nd8 (42.Rd8?! Ke6 43.Ra8 Ng5=) 42...Rh2 43.Kf3 Rh3 44.Kf4+-) 41.Rf8 Kd7 42.Nd3 (42.Rf6 Rg7+-) 42...Nc6 43.Nb4 (43.Rf6 Rh2 44.Ke1 Ra2+-) 43...Ne7 (43...Rh2 44.Kf3 Nd8 45.Rg8+/-) 44.Rb8 (44.Rb8 Kc7 45.Ra8+/-) 1–0. Mustafin,Andrey (1915) – Nizamov,Bulat (2090), Batumi GEO, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.d4 Nf6 6.c3 Nc6 7.e5 Nd5 8.Bc4 e6 9.Nf3 Be7 10.0-0 d6 11.Bd5 ed5 12.Na3 Bg4 13.ed6 Qd6 14.Nb5 Qb8 15.h3 Bh5 16.Re1 0-0 17.g4 Bg6 18.Re7? (better 18.Ne5!? Ne5 19.Re5-/+) 18...Ne7-+ 19.Ne5 Qc8 (19...Rd8 20.Bf4 Qc8 21.Qb3-+) 20.Qb3 (20.Ba3 Qd8 21.Qb3-+) 20...a6 21.Nd6 Qc7 22.Ba3 b5 23.Bc5 (23.f4 Rfd8 24.f5 Rd6 25.Bd6 Qd6 26.Qb5 A) 26...ab5?? 27.Ra8 Nc8 28.Rc8 Qf8 29.Rf8 Kf8 30.fg6 (30.Ng6?! hg6 31.fg6 fg6+-) 30...hg6 31.Nc6+-; B) 26...Bf5 27.gf5 Qh6-+ (27...ab5 28.Ra8 Nc8 29.Rc8 Qf8 30.Rf8 Kf8 31.Nc6+-; 27...Nf5?! 28.Qb7 Rf8 29.Qa6-/+)) 23...Rfd8 24.Qa3 Nc6?? (24...f6 25.Ng6 Ng6 26.Nb5-+) 25.f4? (better 25.Nb5 ab5 26.Qa8 Ra8 27.Ra8 Nb8 28.Nd7=+) 25...f6-+ 26.Nf3?! (26.Ng6 hg6 27.Re1 Na5-+) 26...Bd3 (26...b4 27.cb4 Rd6 28.f5-+) 27.Re1 Rd7 (27...Na5!? 28.Nd2-+) 28.Re3 (28.Qa6 Rad8 (28...Ra6?? 29.Re8; 28...Rd6?? 29.Qa8 Rd8 30.Re8 Kf7 31.Rd8 Nd8 32.Qd5 Ne6 33.f5 Qg3 34.Kh1 Qh3 35.Nh2 Be4 36.Qe4 Nc5 37.Qd5 Kf8 38.Qc5 Kf7 39.d5+-) 29.Nb5 Qf4-+) 28...Bc4 (28...Bg6!? 29.Nh4-+) 29.Qa6 Rad8 (29...Ra6?? 30.Re8; 29...Rd6? 30.Qa8 Rd8 31.Re8 Kf7 32.Rf8 Ke6 33.f5 Kd7 34.Rf7 Ke8 35.Rc7 Ra8 36.Rc6+-) 30.Qa3? (better 30.Ne8 Qf4 31.Kf2-+) 30...Rd6 31.Bd6 Qd6 (31...Rd6 32.Qa8 Rd8 33.Re8 Kf7 34.Rd8 Nd8 35.Nd2-+) 32.Qc1 (32.Qd6 Rd6 33.h4 Kf7-+) 32...Kf7 (32...Rf8 33.Re1-+) 33.Qe1 (33.Nh4 Qc7-+) 33...Rd7 (33...Qf4 34.Nd2-+) 34.Kg2 (34.Qf2 Kf8 35.f5 Ra7-+) 34...Re7 (34...Qf4!? 35.Qd2 Qh6 36.Kg3-+) 35.f5 Re3 36.Qe3 Qe7 (36...b4 37.cb4 Nb4 38.Ne1-+) 37.Qf4 (37.Qe7 Ke7 38.Kf2 b4 39.cb4 Nb4-+) 37...Be2 38.Nd2 Bd3 (better 38...b4 39.cb4 Nb4 40.Kg1-+) 39.g5 (39.Qf3 Be4 40.Ne4 Qe4 41.Kf2 Qf3 42.Kf3-+) 39...fg5 40.Qf3 Be4 41.Ne4 Qe4 (worse 41...de4 42.Qe2-+) 0–1. Winter,Kevin (1825) – Volkers,Annemarie (2015), 5th Terre Degli Elimi Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.d4 Nf6 6.e5 Nfd5 7.c3 Nc6 8.f4 e6 9.Nf3 d6 10.c4 Nc7 11.d5 ed5 12.cd5 Ne7 13.Nc3 Ng6 14.Qa4 Bd7 15.Qe4 de5 16.fe5 Bc5 17.h4 0-0 (17...a5 18.h5 Bb4 19.Bd2=) 18.h5= Ne7 (better is 18...Ne5!? 19.Ne5 Re8+=) 19.d6 Nf5 (19...Bc6 20.dc7 Qc7 21.Qf4+/-) 20.dc7 Qc7 21.Bd3 Bd4 (better is 21...Rfd8+-) 22.Nd5 Bc3 (22...Qc5 23.Nd4 Qd4 24.Qd4 Nd4 25.Ne7 Kh8 26.h6+-) 23.Bd2 (better is 23.Kf2 Qd8 24.Nc3 Qb6 25.Ke1+-) 23...Bd2 24.Nd2 Qd8 25.Ne3 (better is 25.g4 Be6 26.Ne7 (26.gf5 Bd5 27.Qg4 Bh1+/-) 26...Qe7 27.gf5+-) 25...g6 26.Qf4 (26.Nf5 Bf5 27.Qb7 Bd3-/+ (27...Qd3?! 28.Qf3-+)) 26...Ne3 27.Qe3 Re8 28.hg6 (28.Ra7?! Ra7 29.Qa7 Re5 30.Kf2 Bc8+=) 28...fg6 29.Nf3 Qc7 30.Kf2 (30.Ra7 Ra7 31.Qa7 Qc1 32.Kf2 Qh1 33.Bc4 Kf8 34.Qc5 Re7+/-) 30...Bg4 31.Rac1 Qe7 32.Bc4 Kh8 33.e6! Kg8 34.Qe5 Rf8 35.Bd3+- Rf6? 36.Rc7 Qd8 37.Rhh7 Qd3 38.Rcg7 (38.Rcg7 Kf8 39.Qf6 Ke8 40.Qe7) 1–0. Chernyshov,K (2510) – Blecha,Mir (2220), Pardubice CZE, Czech Open Rapid, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

    5.d4 Nf6 6.e5 Nfd5 7.c4 Nb6 8.Qb3 a5 9.Nf3 e6 (9...d5!? 10.c5 Nc4=) 10.Nc3+= Be7 11.Be2 0-0 12.0-0 Qc7 (12...f6 13.Rd1=) 13.Nb5 (13.Bd2 f6+=) 13...Qc6= 14.Be3 d6? (better 14...a4 15.Qc3 Na6=) 15.ed6+/- Bd6 (15...Bd8 16.Ne5 Qe8 17.Bd2+/-) 16.c5+- (16.Nd6?! Qd6 17.Bd2 Qc7+/-) 16...Be7 17.Ne5 Qe4 (17...Qd5 18.Qc3 Qd8 19.cb6+-) 18.cb6 Nd5 (18...Qc2 19.Qc4 Bd8 20.Nc7 Bc7 21.bc7+-) 19.Bd3 Qh4 20.Nc7 a4 (20...Nc7 21.bc7 Bd6 22.Rfc1+-) 21.Qb5 (better 21.Ra4 Ra4 22.Qa4+-) 21...Ne3 (21...Nc7 22.bc7 Bd6+-) 22.fe3 Rb8 23.Rf7! Rf7 24.Nf7 Kf7 (24...Bf8 25.Rf1 g6+-) 25.Rf1 Kg8 (25...Qf2 26.Rf2 Kg8 27.Qe8 Bf8 28.Rf8) 26.Qe8 Bf8 27.Rf8 (27.Qf8?!=) 1-0. marekt – pipesharp, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4)

    5.d4 Nf6 6.e5 Nfd5 7.c4 Nc7 8.Nf3 e6 9.Nc3 d6 10.Qa4+= Nc6 11.d5 ed5 12.cd5 Nd5 13.Nd5 Bd7? 14.Bg5+- Ne7? 15.Bb5 Qc8 16.Bd7 Qd7 17.Nc7 Kd8 18.Na8 Qa4 19.Ra4 h6 20.Be7 Be7 21.Ra7 d5 22.Rb7 Bc5 23.Rb8 Kd7 24.Rh8 Ke6 25.Nc7 Kf5 26.Nd5 Ba3 27.Ke2 Bb2 28.Rd1 Ke6 29.Ne3 Ba3 30.Re8 (30.Re8 Be7 31.Rd6) 1–0. pierred (2755) – ditto (2035), net–chess.com, 2010.

    5.Nf3 Qc7 6.c3 Nc6 7.Ba3 Nf6-/+ 8.Bd3 g6 9.0-0 Bg7 10.Bc2 0-0 11.d4 Re8 12.Nbd2 d5 13.e5 Nh5 14.Re1 e6 15.Nf1 a5 16.Ne3 b5= 17.g4 Nf4-/+ 18.h4 Bb7 19.Rb1 b4 20.cb4 ab4 21.Bb4 Ra2 22.Bb3? Nh3-+ 23.Kg2 Rf2?? 24.Kh3+= Nb4 25.Re2?? Rf3-+ 26.Kg2 Rf4 27.Ba4 Rc8 28.Rb4-/+ Be5! 29.Rb7?? Qb7-+ 30.de5 d4 31.Kh2 de3 32.Re3 Rf2 (32...Rf2 33.Kg1 Qg2) 0–1. alaamattar (2160) – rogeliovargas (2180), net–chess.com, 2010.

    5.Nf3 d5 6.ed5 Nf6 7.d4 Qd5=+ 8.Be2 e6 9.0-0 Be7 10.c4 Qd8 11.Nc3 0-0 12.Bf4 Bd7 13.Re1 a6 14.Ne5 b5 15.Bf3 Rc8 16.c5 Be8 17.Ne2 Nfd5 18.Bd2 Bf6 19.Ng4 Bg5 20.Bd5 ½–½. Dressel,Robert (2335) – Gall,Cordula (2250), RSS4D adv–6 remoteschach.de, 2006.

    5.Nf3 e6 6.Bb5 Nc6 7.0-0 Nf6 8.d3 d5 9.ed5 Nd5 10.c4 Nc7 11.Bc6 bc6 12.Qa4 Bd7 (12...Qd3?? 13.Rd1 Qd1 14.Qd1+-) 13.Nc3 Be7 14.Qa5 0-0 15.Ba3 Ba3 16.Ra3 f6 17.d4 Re8 18.Ne4 Bc8 19.Rfa1 a6 20.Qc5 Bd7 21.Rb3 Rb8 22.Qa3 Rb3 23.Qb3 Qb8 24.Qc2 e5 25.de5 fe5 26.Neg5 g6 27.Qc3 Exerts pressure on the isolated pawn 27...Ne6? (better is 27...Qd8!? 28.Ne5 Qf6=) 28.Ne4+/- (28.Ne5 Nd4 29.Qd4 Qe5 30.Qe5 Re5+/-) 28...Nf4 (28...Rf8!?+/-) 29.Qd2+- Bf5 30.Nf6 Kg7 31.Ne8 Qe8 32.Ra6 Qe6?? (32...Qb8+-) 33.Ra7 Kh6 34.Qd8 (34.Qd8 Qd7 35.Rd7 Bd7 36.Qf8 Kh5 37.Qf6+-) 1–0. Afromeev,Vladimir (2405) – Mitrofanov,Alexander (2290), Tula Efremenkov Memorial, 2000. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    5.Nf3 e6 6.Nc3 Nf6 7.Bc4 Qb6 8.0-0 Bc5 9.d4= Be7 10.Bg5 Nc6 11.d5 Nd8 12.de6 Ne6 13.e5 Ng8 14.Be7 Ne7 15.Qd2 Nf5 16.Nd5 Qc5+= 17.Bb3 0-0 18.Ng5 Ng5= 19.Qg5 Nd4 20.Nf6+= Kh8 21.Nh5 Nb3?? 22.Qg7# 1–0. rogeliovargas (2180) – ditto (2035), net–chess.com, 2010.

    5.Nf3 e6 6.Nc3 g6 7.Ba3 Nc6 8.Bb5 Bg7 9.Rb1 Nge7 10.0-0 0-0 11.Re1 Re8 12.d4 Qa5 13.Bb2 a6 14.Bd3 Qc7 15.e5 d6 16.Bc1? de5-+ 17.de5 Ne5 18.Ne4 Nd3 19.Qd3 Rd8 20.Qe3 Nf5 21.Qa3 Bd7 22.Nc5?? Bc6 23.Bg5 Rd5 24.Rb7?? Bb7-+ 25.Qb4 Rc5 26.Rc1 Bf3 27.gf3 Rc2 28.Rc2 Qc2 29.Qb7 Qd1 30.Kg2 Qd5 31.Qb6 a5 32.Bc1 a4 33.Ba3 Nh4 34.Kg3 Qf3 35.Kh4 Bf6# 0–1. ditto (2035) – alaamattar (2160), net–chess.com, 2010.

    5.Nf3 e6 6.d4 d5 7.Ne5 Nf6 (7...de4 8.Bb5 Ke7 9.c3 Nd3 10.Nd3 ed3 11.Ba3 Kf6 12.Qf3 Kg6 13.Qg3 Kh6 14.Bc1 d2 15.Bd2 g5 16.h4+-) 8.Bg5 Qb6 9.Nc3 (9.ed5 Qd4 10.Bb5 Nd7 11.Nd7 Bd7 12.Bd7 (12.Qd4? Nc2 13.Kd2 Nd4 14.Bd7 Kd7-+) 12...Kd7 13.de6 (13.Qd4? Nc2 14.Kd2 Nd4-+) 13...Ke6 14.Qe2 (14.Qd4? Nc2 15.Kd1 Nd4-+) 14...Qe5 15.Qe5 Ke5 16.Ra5 Kd6 17.Kd2-/+) 9...Ne4 (better is 9...Qd4! 10.Bb5 Ke7 11.Qd4 Nc2 12.Kd1 Nd4-+) 10.Bb5+= Nc6 11.Ra6 Bb4 12.0-0 Qa6 (12...Ng5? 13.Rb6 ab6 14.Nd5 ed5 15.Nc6+-; 12...Nc3?! 13.Qf3 Qc7 14.Rc6 bc6 15.Bc6 Kf8 16.Ba8=) 13.Ba6 Nc3 (13...Ng5?! 14.Na2 Be7 15.Bb5=; 13...ba6?? A) 14.Nc6 Bc3 (worse is 14...Nc3 15.Qg4 Bf8 16.Ne5+=) 15.Be3 Bd7+=; B) 14.Ne4 Ne5 15.de5+-; 13...Bc3?! 14.Bb5-/+) 14.Qg4 h5 (worse is 14...ba6 15.Nc6 h5 16.Qf3+=) 15.Qh4 Ne5 16.de5 Ne4 (16...ba6?? 17.Qb4 Ne2 18.Kh1+-) 17.Bd3 Ng5 18.Qb4 a6 19.Ra1 f6 20.Bg6 Nf7 21.ef6 gf6 22.f4 Rh6? (better is 22...Rg8 23.Bh5 Rh8+/-) 23.f5!+- e5? (23...ef5 24.Re1) 24.Qd2 Rh8 (24...Rg6 25.fg6 Nd8 26.Qd5 Be6+-) 25.Qd5 Rf8 (25...Rh7 26.Bh7 Kf8 27.Bg6+-) 26.Rd1 (26.Rd1 Bf5 27.Qb7 Rc8 28.Bf5 Rc7 29.Qb8 Nd8 30.Qc7 Ne6 31.Qd7) 1–0. Rothuis,Vincent (2320) – Schipper,Rijk (2140), Groningen Compact op–A, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    5.Ba3 Nc6

    6.Nc3 Nf6 7.d4 d6 8.Nf3 Bg4 9.Be2 g6 10.e5 de5-/+ 11.d5 Bf3 12.Bf3 Nd4 13.0-0 Bg7 14.Re1 Nf3 15.Qf3-/+ Nd7 16.Rab1 b6-/+ 17.d6 ed6 18.Bd6+= Rc8 19.Rbd1 Qf6 20.Qg3 Qf5 21.f4 f6 22.Nb5= Kd8?? 23.Na7?? Rc4 24.Qf3 e4 25.Qb3 Qe6 ½–½. Martinec,K (1970) – Vrecion,Jiri (1770), Ricany Open A, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    6.Nc3 Nf6 7.d4 d6 8.Nf3 Bg4 9.Be2 g6 10.e5 de5-/+ 11.d5 Bf3 12.Bf3 Nd4 13.0-0 Bg7 14.Re1 Nf3 15.Qf3-/+ Nd7 16.Rab1 b6 17.d6 ed6 18.Bd6+= Rc8 19.Rbd1 Qf6 20.Qg3 Qf5 21.f4 f6 22.Nb5= Kd8?? 23.Na7?? Rc4 24.Qf3 e4 25.Qb3 Qe6 26.Rd4!! f5 27.Qc4 (27.Qc4 Qc4 28.Rc4+-; 27.Rc4 Qd6 28.Rc8 Ke7 29.Nc6 Kf6 30.Rh8 Bh8 31.Qb2 Kf7 32.Nd8 Ke7 33.Qh8 Qc5 34.Kh1 Qc8+-) 1–0. Forman,M2 (1910) – Hampel,R (1835), Ricany Open A, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    6.d4 d5 7.e5 Bf5 8.Nf3 g6 9.Nh4 (9.c4!?+=) 9...Qa5-/+ 10.Nd2 Bh6 (better is 10...Qc3!? 11.Nf5 gf5-/+) 11.Nf5+= gf5 12.Bb2 Qd2 13.Qd2 Bd2 14.Kd2 f6 (14...e6 15.c4+=) 15.e6= Nh6 16.c4 dc4 17.Bc4 0-0 18.Rhd1 Rfd8 19.Ke2 Kg7 20.Ra3 Rac8 21.Rg3 Kh8 22.f4 Nb4 23.Bb3 Nd5 24.Bd5 Rd5 25.Rc3 Rdd8 (25...Rc3 26.Bc3 b6 27.Ra1=) 26.Rdc1 Rc3 27.Rc3 Rd6 28.d5 Rd5 29.Rc7 Ng8 30.Rb7 Ra5 31.Bd4 a6 32.h3 Kg7 33.Rc7 Ra2 34.Kf3 a5 35.Bc5 Rc2 36.Bd6 Rc7 37.Bc7 a4 38.Ba5 a3 39.Bc3 (39.Ke3!?+=) 39...Kf8+= 40.Ke3 Ke8 41.Kd4 Kd8 42.Kc5 h5 43.Kb4 a2 44.Kb3 Kc7 45.Ka2 Kd6 46.Kb3 Ke6 47.Kc4 Nh6 48.Kd4 Kf7 49.Kd5 Ng8 50.Kd4 e6 51.Bb4 Ne7 52.Be7 (better is 52.Bd2!?-/+) 52...Ke7-+ 53.Ke3 Kd6 54.g3 (54.Kd2 Kd5 55.Kd3 h4-+) 54...Kd5 55.Kd3 e5 56.h4 Kc5 (56...Kc5 57.Ke2 Kd4 58.fe5 fe5-+) 0–1. Sanchez Martin,Marc – Marsal,Valles Marc (2085), Sant Boi op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    6.d4 d6 7.d5 Ne5 8.f4 Nd7 9.Nf3 Ngf6 10.Nc3 a6 11.e5 de5 12.fe5 Ng4 13.Qd4 Nh6? (better is 13...Qc7 14.Bb2 h5= (14...Nge5? 15.Ne5 Qe5 16.Qe5 Ne5 17.Nb5+-)) 14.e6+- fe6 15.de6 Nb6 16.Bc5 Nf5?? (better is 16...Be6 17.Bb6 Qd4 18.Nd4 Bg4+-) 17.Qd8 Kd8 18.Bb6 Ke8 19.Bb5! ab5 20.Ra8 Nd6 21.0-0 g6 (21...Rg8 22.Rd1 b4 23.Rc8 Nc8 24.Rd8) 22.Rd1 Bg7 23.Rc8! Nc8 (23...Nc8 24.Rd8# Mate attack) 24.Rd8# 1–0. Tsydypov,Zhamsaran (2325) – Zhuk,Valeriy (1890), Ulan–Ude RUS, Open, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    6.Nf3 d6 7.Nc3 g6 =.

    6.Nf3 d6 7.Bc4 Nf6= 8.Nc3 e6 (8...g6 9.Ng5 Ne5 10.Bb5 Nc6 11.Bc4=) 9.0-0+= Be7 10.d4 d5 11.Be7 Ne7 12.Bb5 (12.e5 dc4 13.ef6 gf6 14.Qe2=) 12...Nd7 (better is 12...Bd7!? 13.Bd7 Qd7=) 13.ed5+/- ed5 14.Re1 0-0 15.Qe2 Nc6 (15...Ng6 16.Nd5 Nb6 17.Nb6 Qb6 18.h3+/-) 16.Nd5 Nf6 17.Bc6 bc6? (better is 17...Nd5 18.Bd5 Qd5+/-) 18.Ne7 Kh8 19.Nc6 Qc7 20.Qe7 Qe7 21.Re7 Nd5 (21...a5 22.Nfe5+-) 22.Rea7 Ra7 23.Ra7 Bf5 (23...Nc3 24.Ng5 Be6 25.f3+-) 24.c4 Nf4 25.h3 (25.Nfe5!? Be4 26.f3 Bc6 27.Nc6 Rc8+-) 25...Be4 26.Nce5 (26.d5!? Bf3 27.gf3 Nh3 28.Kh2 Nf4+-) 26...f6 27.Nd7 Rf7 28.Rc7?? (better is 28.d5 g6 29.Nd4+-) 28...h6?? (better is 28...g5 29.Rc8 Kg7+/-) 29.Rc8+- Kh7 30.Nf8 Kh8 31.Ng6 (31.Ng6 Kh7 32.Nf4+-) 1–0. Szurkos,Andras (1785) – Onur,Semih, First Saturday FM–B July, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 Nc6 4.ab4+= Nb4 5.Ba3 Nc6)

    6.Nf3 d6 7.Bc4 Nf6 8.Qe2 Bg4 9.c3 g6 10.h3 Bf3 11.Qf3 Bg7 12.0-0 0-0 13.d4 Rc8 14.Qe2 Na5 15.Bd3 Nh5 16.Bc1 Nb3 17.Ra4 Nc1 18.Rc1 Nf4 19.Qf3 Nd3 20.Qd3 a6 21.Nd2 Qd7 22.Rb4 Bh6 23.Rcb1 b5 24.Nf3 Qc6 25.Ra1 Qc3 26.Qc3 Rc3 27.Ra6 Bf4 28.Ra1 Rfc8 29.g3? (29.Kf1 Rb8 30.Ra5 e6=) 29...Bg3 (better is 29...Rf3!? 30.gf4 Rf4-+) 30.Kg2-/+ Bf4 31.Rb5 ½–½. Arnetta,Maria Teresa (2010) – Chiarion,Elisa (1895), ITA–ch (Women), 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ba3 Nc6)

    6.Nf3 d6 7.d4 Bg4 8.d5 Bf3 9.Qf3 Qa5 10.Nd2 Ne5 11.Qb3 Qc7 12.Rb1 Rb8 13.Qa4 Nd7 14.Qa7 Ngf6 15.Ba6 Ne4 (15...ba6 16.Qc7) 16.Rb7 Rb7 17.Bb7 Nd2 18.Kd2 g6 19.Qa8 Qb8 20.Qb8 Nb8 21.c4 Bh6 22.Kd3 0-0 23.Re1 Bg5 24.f4 Bf4 25.Re7 Bh2 26.c5 dc5 27.Bc5 Rd8 28.Bb6 Rf8 29.Bc6 Bd6 30.Ra7 h5 31.Kc4 g5 32.Bc5 Bc5 33.Kc5 h4 34.Kb6 g4 35.Kc7 f5 36.Ra8 (36.Bb7 f4 37.d6+/-) 36...Nc6= 37.Rf8 Kf8 38.dc6 h3 39.gh3 gh3 40.Kd6 h2 41.c7 ½–½. Ambrus,Endre (2260) – Partac,Elena (2080), Deva tt, 1998. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.Ba3 Nc6)

    6.Nf3 Nf6 7.e5 Nd5 8.Bc4 Qa5 (8...Nb6 9.Bd3=) 9.0-0+= e6 10.Bf8 (10.Qe2!? a6 11.Bd5 ed5 12.Qe3+-) 10...Qa1=+ 11.Ba3 (11.Bd6 b6 12.Bd5 ed5=+) 11...Nd4 (11...b6!?-/+) 12.Ng5 (12.c3 Nf3 13.Qf3 Ne7+=) 12...h6 (12...b5!? 13.Bd5 ed5=) 13.Ne4+= Nf5 14.c3 b5 15.g4 (15.Bb5 Nc7 Decoy) 15...b4 16.gf5 (16.Bb4 Nb4 Combination; 16.cb4 Qe5 Pinning (16...Qe5 Deflection)) 16...ba3= 17.Qb3? (17.Nd6 Ke7 18.Qa4+=) 17...Qb2?? (better 17...a2 18.Nd6 Ke7 19.fe6 fe6 (19...ab1R?? 20.Rb1 Qb1 21.Qb1 de6 22.Bd5 ed5 23.Qb5+-; worse 19...de6 20.Nc8 Kf8 21.Nd6+-) 20.Nf5 Kf8 21.Bd5 ed5 22.Qb4 d6 23.Qd6 Kg8 24.Ne7 Kf7 25.Qg6 Ke7 26.Qg7 Ke6 27.Qg6 Kd7 28.Qd6 Ke8 29.Qg6 Kd8 30.Qf6 Kc7 31.Qd6 Kb7 32.Qb4 Kc6 33.Qd6 Kb7 34.Qb4 Ka6 35.Qd6 Kb7=) 18.Bd5= ed5?? (18...Rb8 19.Nd6 Ke7+-) 19.Nd6+- (19.Qd5?? 0-0 20.Na3 Bb7 21.Qd7 Be4-+) 19...Ke7 20.Qd5 a2 21.f6! (21.Qf7 Kd8 22.Na3 A) 22...Qa3 23.f6 Ba6 A1) 24.fg7?? Kc7 25.gh8Q a1Q (25...Rh8?! 26.Ra1 Qb2 27.Ra2 Qb1 28.Kg2 Qf1 29.Kg3 Rg8 30.Kh4=) 26.Qd7 Kd7 27.Qg7 Ke6 28.Qg6 Ke5 29.d4 Kd5 30.c4 Bc4 31.Nc4 Kc4 32.Qf7 Kd3-+; A2) 24.Qe7 Kc7 25.Nb5 Bb5 26.Qa3 Bf1 27.fg7+- (27.Kf1?! gf6 28.Qd6 Kc8 29.Qa6 Kc7+-); B) 22...a1Q 23.Ra1 Qa1 24.Kg2 Qa3-+) 21...gf6 22.ef6 (22.Qf7 Kd8 23.Na3 A) 23...Qa3?? 24.Qf6 Kc7 25.Nb5 Kb7 26.Na3 (26.Qh8 Qa6 27.Nd6 Kc7 28.Ne8 Kb8-+) 26...Rg8 27.Kh1+-; B) 23...fe5 24.Nab5 Qb5 25.Qf6 Kc7 26.Nb5 Kb7 27.Qh8+-; C) 23...Ba6-+) 22...Kd8 23.Nf7 (23.Qa8 Kc7 24.Na3 Rg8 25.Kh1 a6 26.Qa7 Bb7 27.Nb7 Qb7 28.Qb7 Kb7+-) 23...Kc7 24.Qe5 Kb6 25.Qd4 Ka6 26.Qc4 Kb6 27.Qd4 Ka6 28.Qa4 Kb6 29.Qd4 ½–½. Ganichev,Aleksei (1915) – Polischuk,Sergiy, Myrgorod Ukraine, Open, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.Ba3 Nc6)

    6.Nf3 Nf6 7.e5 Ne4 +=.

    6.f4 d6 7.Nf3 g6 8.Bb2 Nf6 9.e5 de5 10.fe5 Qb6 11.Bc3 (better is 11.Bc1!? Nd5 12.d4+=) 11...Ne4-+ 12.d4 Nc3 13.Nc3 Qb4 14.Qd2 (better is 14.Qd3 Bf5 15.Qc4-+) 14...Bg7?? (better is 14...Bh6! 15.Qd3 Bf5-+) 15.Rb1 Qa5 16.Rb5 Qa1 (16...Qd8 17.Bc4+=) 17.Nd1 0-0 18.Bc4 Rd8 19.c3 Qa4 20.Qe2 a6+= 21.Rb2 Qa5 22.0-0= b5 23.Ra2 Qb6 24.Bb5 Na5 25.Bd3 Nb3 26.Ne3 a5 27.Ng5 Rf8 28.Bc4 e6 29.Nf7! Rf7? 30.Rf7 Kf7 31.Qf3 Bf6 32.Qa8 Bb7 33.Qb8 Bg5 34.Rf2 Ke7 35.Qf8 Kd7 36.Rf7 Kc6 37.Qd6 1–0. Augstein,Joerg – Beisser,Jacob, Tierpark op 2nd, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6 4.ab4 Nb4)

    5.Ba3 e6

    6.g3 Nc6 7.Bf8 Kf8 8.f4 Nf6 9.d3 Qb6 10.Ne2? (better is 10.c3!?-/+) 10...Ng4-+ 11.d4 Qb2?? (better is 11...Ne3!? 12.Qd2 Qb2 13.Qe3 Qa1 14.Qa3 Qa3 15.Na3 Ke7-+) 12.Na3 (12.Ra3!?+=) 12...Ne3 13.Qc1 Qc1 14.Nc1 (14.Rc1 d5 15.e5 b6-/+) 14...Nf1 15.Rf1 b6 16.Nc4 Bb7 17.Nd6 Rb8 18.Nd3 Ke7 19.e5 Na5 20.Rf2 f6 21.g4 Ba8 22.Ke2 fe5 23.fe5 Rhf8 24.Raf1 Rf2 25.Rf2 Rf8 26.h4 Bd5 27.Nb4 Nc4 28.Nd5 ed5 29.Nf5 Kd8 30.Rf1 g6 31.Ng3 Rf1 32.Nf1 d6 33.ed6 Kd7 34.Kd3 Kd6 35.Nh2 a5 0–1. Montero,Walter (2060) – Alvarez Castillo,Hector (2245), Torre Blanca–ch, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.Ba3 e6)

    6.c3 Nc6

    7.Bf8 Kf8 8.d4 d5 9.e5 f6 10.f4 fe5 11.fe5 Qh4 12.Kd2? Nd4!-+ 13.cd4? Qd4 (13...Qd4 14.Bd3 Qa1 15.Qf3 Ke7-+) 0–1. chessleon (2005) – pcmvr (2840), net–chess.com, 2010.

    7.Bf8 Kf8 8.d4 d5 9.e5 f6 10.ef6 gf6 11.Nf3 Nge7 12.Bd3 e5 0–1. chessleon (2005) – pierred (2755), net–chess.com, 2010.

    7.Bf8 Kf8 8.Nf3 d5 9.Qc2 de4 10.Qe4 Nf6 11.Qa4 g6 12.Bb5 Bd7 13.0-0 Kg7 14.d4 a6 15.Be2 e5 16.Qc2 Re8 17.Na3 ed4 18.Nd4 Qc7 19.Bf3 Ne5 20.Rab1? Nf3-+ 21.gf3 Re5 22.Ne2? Bh3 23.Ng3 Qc6 24.Qd3 Rd8! (24...Rd8 25.Nc4 Rd3 26.Ne5 Qd5-+) 0–1. alaamattar (2160) – pierred (2755), net–chess.com, 2010.

    7.Bf8 Kf8 8.Nf3 d5 9.e5 f6 10.d4 fe5 11.Ne5 Ne5 12.de5 Qg5 13.Qf3 Ke7 14.Qe3 Qe3-+ 15.fe3 Nh6 16.Nd2 Ng4 17.Nf3 Ne3 18.Nd4 Rf8 19.Nf3?? Nc2 20.Kd2 Na1 (20...Na1 21.Nd4 Rf2 22.Be2 Rg2-+) 0–1. alaamattar (2160) – pcmvr (2840), net–chess.com, 2010.

    7.Bf8 Kf8 8.Nf3 d6 9.d4 Nf6 10.Nbd2 g6 11.Qa4 Kg7 12.Bb5 Bd7 13.Rb1 a6 14.Bd3 b5 15.Qa3 Qc7 16.0-0 Rhc8 17.Rfc1 d5 18.e5 Ng8 19.Nb3 f6 20.Re1 fe5 21.Ne5 Ne5 22.Re5 Qc3 23.Re3 Qc6 24.Nc5 Kh8 25.Rbe1 Re8 26.Qb2 Nh6 27.Qe2 Nf5 28.Rh3 e5 29.Nd7 Qd7 30.de5 Ne7 31.Qe3 Qe6 32.Qh6 Qg8 33.Ree3 Qg7 34.Qg5 Rac8 35.Ref3 Rc6 36.Rh6? Ng8-+ 37.Rh4 Re5 38.Rh7 Kh7 39.Rh3 Nh6 40.Rh6 Qh6 41.Qe5 Rc1 42.Bf1 Rd1 43.Qe7 Qg7 44.Qg5 Ra1 0–1. Stekkelpach,Peter (1775) – Sandor,Tamas (1980), Nyiregyhaza op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

    5.Ra4 Nc6

    6.Bb2 e6 7.Nf3 Nge7 8.Nc3 a6 9.e5 Ng6 10.Ne4 b5 11.Ra1 Bb7 12.Nd6 (12.Qe2 Nb4 13.d3 Qc7-/+) 12...Bd6 13.ed6 0-0 14.h4 f6 15.c4 (15.d4!?-/+) 15...bc4-+ 16.Bc4 Nce5 17.Be2 (17.Ne5 Ne5 18.Bf1 Qb6-+) 17...Nf4 (17...Bf3 18.gf3 Qb6 19.Be5 fe5 20.Bd3-+) 18.d4 (18.Be5 fe5 (18...Ne2?! 19.Qe2 Bf3 20.Qf3 fe5 21.Qe3-/+) 19.Rg1 e4-+ (19...Ne2?! 20.Qe2 Rf4 21.d3-+)) 18...Nf3 19.Bf3 Qb6 20.Ba3 Bf3 21.Qf3 Qa5 22.Kf1 Qb5 23.Kg1 Ne2 24.Kh2 Nd4 25.Qe4 Qe5 26.Qe5 fe5 27.Ra2 Nb5 28.Kg3 (28.Re1 Rf4 29.Kh3 Ra4-+ (29...Na3?! 30.Ra3 Rd4 31.Re5-+)) 28...Rac8 (better 28...Nc3!? 29.Rb2 Ne4 30.Kh2 Nf2 31.Rhb1-+) 29.Re1 Rc4 30.Re5 Ra4 (30...Na3?! 31.Ra3 Rc6 32.Rd3-/+) 31.Re3 Rc8 (31...Na3?! 32.Rea3 Ra3 33.Ra3=+) 32.Rd3 (32.f3 Nd6! (32...Na3?! 33.Raa3 Ra3 34.Ra3-/+; 32...Ra3?! 33.Raa3 Na3 34.Ra3-/+) 33.Rd3 Nc4-+) 32...Rc3 (32...Ra3?! 33.Rda3 Na3 34.Ra3-/+) 33.Rc3 Nc3 34.Ra1 Nb5 (34...Ne4!? 35.Kh2-+) 35.Bb2 Ra1 36.Ba1 Nd6 37.Kf4 Nb5 (37...Nc4 38.Ke4-+) 38.Ke4 Kf7 39.Kd3 d5 40.Kc2 (40.f4 a5-+) 40...Nd6 41.Kb3 0–1. Rubery,M (2250) – Cawdery,D (2255), Masters Challenge, Johannesburg RSA, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    6.Nc3 Qc7 A) 7.Bc4 Nf6 (7...e6 8.Nf3 a6 9.Bb3 Nf6 10.Qe2 Na5 11.e5 Nb3 12.cb3 b5 13.Rh4) 8.Nf3 (8.d3 a6 9.Nf3 Rb8 10.Nd5 Nd5 11.Bd5 b5 12.Ra1 e6 13.Bc6) 8...e6 9.Qe2 Be7 10.e5 Ng4 11.Be6 de6 12.Rg4 0-0 13.0-0; B) 7.Be2 B1) 7...e6 8.Nb5 (8.Nf3 Nf6 9.0-0 a6 10.d4 Bb4 11.Nb5 Qb8 12.e5 ab5 13.Ra8; 8.h3 Nf6 9.Nf3 a6 10.Ba3 Ba3 11.Ra3 0-0 12.0-0 Rb8 13.d4; 8.Nh3 Nf6 9.0-0 Be7 10.d4 0-0 11.e5 Ne8 12.Nf4 a6 13.Qd2) 8...Qb8 9.Nf3 Nf6 10.Bb2 a6 11.e5 Nd5 12.Nd6 Bd6 13.ed6; B2) 7...Nf6 8.Nf3 (8.Ba3 g6 9.Nd5 Nd5 10.ed5 b5 11.Bb5 Qe5 12.Qe2 Qa1 13.Qd1; 8.Nh3 e6 9.0-0 Qb6 10.d3 Be7 11.Be3 Qb2 12.Qa1 Qa1 13.Rfa1; 8.h3 e6 9.Nf3 Be7 10.0-0 0-0 11.Nb5 Qb8 12.Bb2 a6 13.Qa1) 8...e6 9.0-0 a6 10.d4 Bb4 11.Nb5 Qb8 12.e5 ab5 13.Ra8; C) 7.Nf3 Nf6 8.Be2 (8.Bb2 Qb6 9.Bb5 e5 10.Qe2 Bd6 11.Nd5 Nd5 12.ed5 0-0 13.0-0) 8...e6 9.0-0 a6 10.d4 Bb4 11.Nb5 Qb8 12.e5 ab5 13.Ra8.

    6.Nc3 d6 7.Nf3 Nf6 8.h3 (8.d4 Bd7=+) 8...Bd7 (8...d5 9.ed5 Nd5 10.Bb2=+) 9.Be2 (9.d4 e6=+) 9...e5-/+ 10.0-0 (10.Ra1 Be7-/+) 10...Be7 (10...Nd4 11.Ra2-/+) 11.Ng5 (11.Ra1 Qc7-/+) 11...h6 (11...0-0 12.Ra1-/+) 12.Nf3 0-0 (better 12...Nd4 13.Ra1 Nf3 14.Bf3 0-0-/+) 13.d4? (better 13.Ra1!?-/+) 13...Nd4-+ 14.Rb4 (14.Ra1 Qc7 15.Bd2 Nf3 16.Bf3 b5-+) 14...Ne2 (better 14...d5 15.Rb7 Bc6 16.Re7 Qe7 17.Nd4 ed4 18.Nd5 Nd5 19.ed5 Bd5 20.Bb2-+) 15.Ne2?! (15.Qe2 Qa5 16.Rb3-+) 15...Qc7 16.Re1 (16.Ba3 Rfc8-+) 16...d5 17.Rb3 (17.Rb2 de4 18.Nd2 Bc5-+) 17...de4 18.Rc3 (18.Nd2 Rfd8 19.Ng3 Be6-+) 18...Qd6 (18...Bc6!? 19.Nd2 Rfd8 20.Re3-+) 19.Nd2 Rfc8 (19...Qa6!? 20.Rb3-+) 20.Ba3 Qe6 21.Rc8 (21.Be7 Qe7 22.Re3 Nd5 23.Re4 f5-+) 21...Rc8 22.Be7 Qe7 23.Qa1 (23.Ng3 Ba4 24.Nde4 Ne4-+) 23...Rc2 24.Rd1 (24.Qd1 Qc5 25.Ng3-+) 24...Qb4 25.Ne4 (25.Qa7 Rd2 26.Rd2 Qd2-+) 25...Qe4 (25...Ne4 26.Rd7 Re2 27.Rd8 Kh7 28.Rd1-+) 26.Ng3 Qf4 27.Qa7 Rc1 (27...Bc6!? 28.Re1-+) 28.Rc1 Qc1 29.Kh2 Qc8 (29...Qb2 30.Nh1-+) 30.Qe3 (30.Qa1 Qc5-+) 30...Qc7 31.Ne2 (31.Qa7 Be6-+) 31...b5 32.f4 (32.Qa3 Bc6-+) 32...ef4 33.Nf4 (33.Qf4 Qf4 34.Nf4-+) 33...Nd5 34.Qa3 Nf4 35.Qa8 Kh7 36.Qe4 g6 37.Kh1 Nh3! 38.Qe7 (38.gh3 Bf5 Double attack (38...Bf5 Decoy)) 38...Ng5 (38...Qc1 39.Kh2 Qf4 40.Kh1 Nf2 41.Kg1 Ng4 42.Qe1 Bc6 43.g3 Qd4 44.Kf1 Nh2 45.Ke2 Bf3) 39.Qb4 Qc4 40.Qe7 Be6 (40...Qf1 41.Kh2 Bc6 42.Kg3 Qg2 43.Kf4 Qf2 44.Ke5 Ne4 45.Qf7 Qf7 46.Kd4 Qf2 47.Kd3 Qd2) 41.Qf6 Qh4 42.Kg1 Nh3! (42...Nh3 43.Kh1 Nf2 44.Kg1 Qf6 45.Kh2 Ng4 46.Kh3 Qf2 47.g3 Qh2) 0–1. Eryigit,Cengiz – Ipek,Yunus Enes (1635), Turkish Championship Club, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    6.Nc3 e5 A) 7.Bb5 Bd6 (7...Nf6 8.Nf3 Bd6 9.0-0 0-0 10.Bb2 a6 11.d4 ed4 12.Nd4 Rb8 13.Be2) 8.Nf3 (8.h3 Nf6 9.Nf3 0-0 10.0-0 a6 11.d4 ed4 12.Bc6 dc3 13.Qd6; 8.Bb2 Nd4 9.Bd3 Qb6 10.Qb1 Nf6 11.Nge2 Ne6 12.0-0 Nc5 13.Rc4; 8.g3 Nf6 9.Nf3 0-0 10.0-0 a5 11.Rc4 Bb4 12.Bb2 Qb6 13.Ba4; 8.h4 Nf6 9.Nf3 0-0 10.0-0 b6 11.Bb2 Bb7 12.Qe2 Qe7 13.Bc4) 8...Nf6 9.0-0 0-0 10.h3 a6 11.d4 ed4 12.Bc6 Bc5 13.Bb7; B) 7.Nf3=+ B1) 7...Nf6 8.Bb5 (8.Bc4 Bc5 9.0-0 0-0 10.Ba3 Ba3 11.Ra3 d6 12.h3 Be6 13.Qe2) 8...Bd6 9.0-0 0-0 10.h3 b6 11.d4 Nd4 12.Nd4 ed4 13.Qd4; B2) 7...Bc5 8.Ne5 Ne5 9.d4 Bd6 10.Nb5 Qb6 11.de5 Be5 12.Be3 Qf6 13.Bc4.

    6.Nc3 e6 7.Nf3 d6 8.Bb5 Bd7 9.0-0 g6 (9...a6 10.Bc6 Bc6 11.Ra1-/+) 10.d4 Bg7 11.Be3 Nge7 12.Qd2 0-0 13.Bh6 a6 14.Bc6 Nc6 15.Bg7 Kg7 16.d5 (16.Ra2 Na5=+) 16...Ne7 (16...Ne5 17.Ra3-/+) 17.Rd4 (17.Rb4 ed5 18.Rd1 de4 19.Ne4 b5 20.Nd6 Be6=) 17...e5-/+ 18.Rd3 b5 19.Rb1 Nc8 20.Na2 (20.Qe2 f5-/+) 20...Nb6 21.Qa5 f5 22.Nd2 fe4 23.Re3? (better 23.Ne4 Nc4 24.Qe1-+) 23...Nd5 24.Qd8 Rfd8 25.Re4 (25.Ree1 Rdc8 26.Rb2 Nb6 27.Ne4 d5-+) 25...Bf5 26.Ree1 Bc2 27.Rbc1 Bf5 28.g3 (28.Ne4 Be4 29.Re4 a5-+) 28...Rac8 29.Nb3 Rc1 30.Rc1 Rc8 (30...a5 31.Rd1 Be6 32.Rb1-+) 31.Rd1 Be6 32.Na5 (32.Rd2 g5-+) 32...Kf7 (32...Rc2 33.Ra1-+) 33.Nb7 Ke7 34.Rb1 (34.Rd2 g5-+) 34...Nc3 (34...Rc2 35.Ra1-+) 35.Nc3 Rc3 36.h4 (36.Na5 g5-+) 36...Bd5 37.Na5 (37.Nd6 Kd6 38.Kf1 a5-+) 37...Ra3 38.Rc1 Ra5 39.Kh2 (39.Kf1 Bc4 40.Kg2 d5-+) 39...b4 40.Rc7 (40.g4 b3 41.Rb1 Ra2-+) 40...Ke6 41.Rh7 b3 42.Rh6 b2 (42...b2 43.Rg6 Ke7 44.Rg5 b1Q 45.Rg7 Kf6 46.Rf7 Kf7 47.Kh3 Qh1 48.Kg4 Kg6 49.h5 Qh5) 0-1. Eryigit,Cengiz - Yildiz,Eyup Ensar, TCh-TUR Club, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    6.Nc3 Nf6 7.d4 e6 (7...d5 8.e5 Nd7 9.Nf3 Nb6 10.Ra1 g6 11.Bb5 Bg7 12.0-0 0-0 13.Ba3) 8.d5 (8.e5 Nd5 9.Nd5 ed5=+ 10.Nf3 Rb8 11.Bb5 Be7 12.0-0 0-0 13.Ba3) 8...ed5 (8...Bb4 9.Bd2 ed5 10.ed5 Qe7 11.Qe2 Bc3 12.Bc3 Qe2 13.Ne2) 9.ed5 Qe7 (9...Bb4!? 10.Bd2 Qe7 11.Qe2 Bc3 12.Bc3 A) worse 12...Nd5 13.Re4 (worse 13.Bg7 Qe2 14.Ne2 Rg8=+) 13...Nc3 14.Re7 Ne7 15.Qe5+-; B) 12...Qe2 13.Ne2 Nd5 14.Bg7 Rg8=+) 10.Be2= Ne5 (10...Nb4 11.Nb5 (11.d6 Qd6 12.Qd6 Bd6 13.Nb5) 11...Kd8+- (11...Nbd5 12.c4 Nb6 13.Nc7) 12.d6 Qe4 13.c4) 11.f4 (11.Nb5!? d6 12.Na7+- (12.Ra7?! Ra7 13.Na7 Bf5=) 12...Qd8 13.Nc6) 11...Ng6+= 12.Nb5 d6 13.Ba3 (worse 13.Ra7 Ra7 14.Na7 Bf5=+; 13.Rc4+-) 13...Qd8 14.Rc4 Nd5?? (better 14...Rb8 15.Nc7 Ke7+-) 15.Qd5+- Be6 16.Qb7 (16.Nd6?! Bd6 17.Qd6 Qd6 18.Bd6 Bc4 19.Bc4 Kd7=) 16...Bc4 (16...Rb8 17.Nc7 Kd7 18.Qc6 Ke7+-) 17.Nc7 (17.Nc7 Ke7 18.Na8 (18.Qa8?! Qc7 19.Bc4 Qc4 20.Qa7 Kd8=; worse 18.Bc4 Qc8 19.Qe4 Kd8 20.Na8 f5+-) 18...Qd7 19.Qd7 Kd7 20.Bc4+-) 1–0. Briscoe,C (2165) – Wells,Daniel, Open, Coventry ENG, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    6.Nc3 Nf6 7.Nf3 e6 (7...d6 8.Bc4 a6 9.Ng5 Ne5 10.Bb5 Bd7 11.Bd7 Qd7 12.f4 Ng6 13.f5) 8.Bb5 (8.e5 Nd5 9.Nd5 ed5 10.Bb5 Qb6 11.Qe2 Bc5 12.0-0 0-0 13.Ba3; 8.Bd3 Bb4 9.0-0 a5 10.e5 Ng4 11.Qe2 0-0 12.Na2 d5 13.c3) 8...Be7 9.0-0 0-0 10.e5 Nd5 11.Nd5 ed5 12.Bb2 Qb6 13.Qe2.

    6.Nc3 g6 7.Nf3 Bg7 8.Bb2 d6 9.Bb5 Bd7 10.0-0 Nf6 11.Qa1 a6 12.Ra3 (12.Nd5 0-0 13.Nf6 Bf6 14.Bf6 ef6=+) 12...0-0 13.Bc6 Bc6 14.Re1 Nd7 (14...Qd7 15.Nd4-/+) 15.d4 (15.Nd5 e5=+) 15...Nb6 (15...e6 16.d5 Bc3 17.Bc3 ed5 18.ed5 Bd5 19.Qd1 Bf3 20.Qf3-/+) 16.d5=+ Bd7 17.Rb3 (17.Na4 Bb2 18.Nb2=+) 17...Qc7 (17...Nc4!? 18.Rb7 Bg4-/+) 18.Ne2= Bb2 19.Qb2 (worse 19.Rb2 Nc4 20.Ra2 e5-/+) 19...Bb5 (19...Na4 20.Rb7 Qc8 21.Qb1=+) 20.Ned4 Nc4 21.Nb5 ab5 22.Qc3 (22.Qc1 e5=) 22...Qa5 (22...Qc5 23.Rd1=) 23.Nd4 Qc3 24.Rc3 Ra3 25.Ra3 (25.Rb3 Rfa8=) 25...Na3=+ 26.Ra1 b4 27.c3 Rc8 28.cb4 Rc4 29.Nb3 (29.f3 Rd4 30.Ra3 Rb4-/+) 29...Nc2 30.Nd2 (30.Ra8 Kg7 31.f3 Rb4-/+) 30...Rb4 (better 30...Rd4!? 31.Rd1 f5 (31...Rb4?! 32.f3-/+) 32.ef5 gf5-+ (32...Rb4?! 33.fg6 hg6 34.Nf3=)) 31.Ra8-/+ Kg7 32.Kf1 Nd4 33.f3 (33.f4 b5-/+) 33...b5 34.Kf2 Rb2 35.Ke3 Nb3 36.Nb3 Rb3 37.Kf2 (37.Kf4 b4-/+) 37...b4 38.f4 Rb2 39.Kg3 (39.Kf3 b3-/+) 39...Rd2 (39...b3 40.Rb8-/+) 40.Rb8 (40.Ra7 Kf6 41.Rb7 Rb2-/+) 40...Rd3 (40...Rd4 41.Kf3 f5 42.ef5 gf5 43.h3-/+) 41.Kf2 b3 42.Kf1 (42.Ke2 Rc3-/+) 42...Rd4 43.Rb3 Re4 44.g3 Rd4 45.Rb5 Rd2 46.h3 Kf6 47.Kg1 (47.Ke1!? Rh2 48.h4 e6-+) 47...h5 48.Ra5 (48.Kf1 h4! 49.gh4 Rd4-+) 48...Rc2 (48...h4 49.g4-+) 49.Ra3 (better 49.Ra4-+) 49...Rd2 50.Ra5 e6 (50...h4!? 51.gh4 Rd4 52.Kg2-+) 51.de6 fe6 52.Ra8 d5 (52...e5 53.fe5 de5 54.Kf1-+) 53.Rf8-/+ Kg7 54.Rd8 (54.Re8 Kf7 55.Rh8 d4-/+) 54...d4 (54...h4 55.gh4 Rd4 56.h5-+) 55.g4 (55.Kf1 Kf7-/+) 55...hg4-+ 56.hg4 Kf6 (56...g5 57.fg5 e5 58.Kf1-+) 57.Rf8 (57.Kf1 g5 58.f5 ef5 59.Rf8 Kg6 60.Rg8 Kf7 61.Rg5 fg4 62.Rg4 Ke6-/+) 57...Ke7 58.Rg8 Kf7 59.Rd8 g5! 60.fg5 e5 61.Kf1 e4 (61...d3 62.Rd6 e4 63.g6 Kg7 64.Ke1 Re2 65.Kd1-+) 62.Ke1-/+ e3 63.Rd6 d3 (better 63...Kg7!? 64.Re6 Ra2-/+) 64.g6= Kg7 65.g5 Re2 66.Kd1 Rd2 67.Ke1 Re2 ½–½. Langer,Christian (2140) – Kwapinski,Leszek (1930), Werther Schloss op–B, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    6.d4 d5 7.ed5 Qd5 8.Nc3 Qd6 9.Nb5 Qb8 10.d5 Bd7 (10...Ne5!? 11.Bf4 g5 12.Bg5 a6+=) 11.dc6+- Bc6 (11...bc6 12.Nc3+-) 12.Bf4 (12.Nf3 e5 13.Qe2 f6+-) 12...e5+- 13.Be3 (13.Bg3 a6 14.Qa1 f6+-) 13...a6 14.Qa1 Nf6 15.Nf3 Nd7 16.Bc4 Be7 17.Ra2 0-0 18.Nc3 Bb5? (better 18...Bf3 19.gf3 Bb4=) 19.0-0?? (19.Nb5 Rc8 20.Bd3 ab5 21.Ra8 Qa8 22.Qa8 Ra8+-) 19...e4?? (19...Bc4 20.Rd1 Rd8 21.Ra4-+) 20.Ng5?? (better 20.Bb5 Nf6 21.Ne4 Ne4 22.Qd4+-) 20...Ne5?? (better 20...Bc4 21.Nge4 Nf6-+) 21.Bb3?? (better 21.Be2 Be2 22.Ne2+-) 21...Ng4-/+ 22.g3 Ne5?? (22...Ne3 23.fe3 Bf1 24.Nf7-/+) 23.Nd5?? (better 23.Nb5 Bg5 24.Nd4+-) 23...Qd8?? (better 23...Bg5 24.f4 Bf1 25.Kf1 Ng4 26.fg5 Qd8-/+) 24.Qe5+- Bd6 (24...Bf6 25.Qf5 Bg5 26.Bg5 Qd7 27.Qd7 Bd7+-) 25.Qe4 (25.Qe4 g6 26.Qd4 Bf1 27.Nf6 Kh8 28.Nfh7 Be5 29.Qe5 f6 30.Nf6 Rf6 31.Nf7 Kg7 32.Nd8 Rd8 33.Qe7 Rf7 34.Qf7 Kh8 35.Bd4 Rd4 36.Qg8) 1–0. Barahona Torrijos,A (1900) – Mateos Cordero,F, 18th Torneo San Viator, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    6.d4 d5 7.ed5= Qd5 8.Nc3 Qd8 9.d5 Ne5 10.Qd4+= Ng6 11.Bb5 Bd7 12.Bd7 Qd7+= 13.Ra7 Rb8 14.Nf3+/- e6 15.0-0 Nf6 16.Re1+/- Bd6 17.de6 fe6 18.Nb5! Be7 19.Qd7 Nd7 20.Nc7 Kf7 21.Ne6 Rhc8 22.Ra2 h6 23.g3 Bf6 24.Ned4 Nb6 25.Nf5 Rd8 26.h4 Rd5 27.Ne3 Rc5 28.Rd1 Rbc8 29.Ra7 R8c7 30.Ba3+- R5c6 31.Rb1 Nf8 32.Kg2 Ne6 33.h5 Nd8+/- 34.Ne1 Bc3 35.Nd3 Nc4 36.Nd5 Bd4 37.Nc7 Ba7 38.Nb5 Na3 39.Na3 Bd4 40.Rb4 Bf6 41.Nc4 Ke8 42.Ne3+- Kf7 43.f4 Rc3 44.Kf3 Rc7 45.Rc4 Rc6 46.g4 Ne6 47.Rc6 bc6 48.Ke4 Nd8 49.Nc4 Ke6 50.Nc5 Ke7 51.Kf5 Bd4 52.Ne4 Kf7 53.c3 Bf6? 54.Ncd6 Ke7 55.Nc8 Kf7 56.Nf6 gf6 57.Nd6 Ke7 58.Ne4 Ne6 59.Nf6 Nf4 60.Ng8 Kf8 61.Kf4 Kg8 62.Ke5 Kf7 63.Kf5 c5 64.c4 Kg7 65.Ke6 Kg8 66.Kf6 (66.Kf6 Kf8 67.Kg6+-) 1–0. Johansson,Th1 (2210) – Galligan,Brian, ch–EU Cork IRL, 2005.

    6.d4 d5 7.ed5= Qd5 8.Nc3 Qd8 9.d5 Ne5 10.Qd4+= Ng6 11.Bb5 Bd7 12.Bd7 Qd7+= 13.Ra7 Rb8 14.Nf3+/- e6 15.Ne5 Ne5 16.Qe5 Rc8 17.0-0 f6 18.Qh5+- g6 19.de6 Qe6 20.Qb5 Qc6 21.Re1 Be7 22.Qc6 Rc6 23.Nd5 Kf8? 24.Ra8 Kf7 25.Ne7 Rc2 26.Ba3 Ra2 27.Ng8 Rg8 28.Re7# 1–0. Johansson,Th1 (2210) – Murphy,Dara, ch–EU Cork IRL, 2005.

    6.d4 d5 7.ed5 Qd5 8.Nc3 Qd8 9.d5 Ne5 10.Bf4 Ng6 11.Bg3 e5 12.Qa1 a6 13.Nf3 Bd6 14.Ne4 f6 15.h4 Bf5 16.Bb5 Kf7 17.Bd3 N8e7 18.h5 Nf4 19.Bf4 ef4 20.h6 Re8 21.Nfg5 (better is 21.Kd1!?=) 21...Kg8+= 22.Ne6 Qb6 (better is 22...Be6 23.Nd6 Qd6 24.de6 Qe6 25.Re4 Qc6-/+) 23.Nf6 gf6 24.Qf6 Qb1 25.Kd2 Bb4 26.Rb4 (better is 26.Ke2 Bd3 27.Kd3+-) 26...Qb4+= 27.Kc1 Qa3 28.Kd2 Qb4 29.Kc1 Qa3 30.Kd1 Qa1 1–0. Carballo Noya,Miguel – O'Donnell,M (2270), Edinburgh Congress, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    6.d4 d6 7.d5 Ne5 8.f4 Nd7 9.Be3 Nc5 10.Bc5 dc5 11.e5 Bd7 12.Re4 Qa5 13.Nd2 ½–½. Benend,Andreas (2210) – Wuest,Hans Heiner, Verbandsliga Nord Baden, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    6.d4 e6 7.d5 Nce7 8.Nc3 Ng6? (better is 8...ed5 9.Nb5 d6=) 9.d6+- a6? (better is 9...f6+-) 10.Nb5! f6 (10...ab5 11.Ra8) 11.Nc7 Kf7 12.Na8 b5 13.Ra2 1–0. Barahona Torrijos (1940) – Bartolome Chicharro (1805), Madrid San Viator, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    6.Nf3 d6 7.Bb2 Nf6 8.Bb5 Bd7 9.0-0 a6 10.Be2 e5 11.c3 b5 12.Ra1 Ne4 13.d4 Be7 14.Re1 Nf6 15.Bd3 ed4 16.Nd4 Nd4 17.cd4 0-0 18.Qf3 d5 19.Nd2 Bb4 20.Re2? (20.Qd1-+) 20…Bg4 (20...Bg4 21.Qf4 Be2 22.Be2 Re8-+) 0–1. Colijn,Erik Jan (1755) – Smith,Thijmen (1680), NED–ch U17 Venlo, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

    5.c3 Nc6

    6.d4 e5 7.d5 Na5 8.Qa4 (8.Nf3 Bd6=) 8...b6+= 9.Nf3 Bd6 10.Ba3 Qc7 11.Bd6 Qd6 12.Na3 a6 13.Qb4 Qb4 (13...Qf6!?=) 14.cb4+/- Nb3 15.Rb1 Nd4 16.Ne5 Nf6 17.f3 (17.Rd1 Nb5 18.Bb5 ab5 19.Nb5 0-0+-) 17...0-0 (17...b5!?+/-) 18.Rd1 Nf5 1–0. Marchlewicz,Kamil (2045) – Jurkiewicz,Krzysztof2 (2185), Rubinstein Memorial op–B Poland, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6)

    6.d4 e5 7.f4 ed4-/+ 8.cd4 d5 9.e5 Bb4 10.Kf2 Nh6 11.h3 Qb6 12.Nf3 Nf5 13.Be3 f6 14.g4 Ne3 15.Ke3 fe5 16.fe5 0-0 17.Na3 (17.Bg2 Be6 18.Qd3 Na5-+) 17...Bd7 18.Nc2? (18.Rb1 Rae8 19.Rb4 Nb4 20.Bg2-+) 18...Ne5 19.Ne5 Qh6 (19...Qh6 20.g5 Qg5 21.Ke2 Bb5 22.Nc4 Bc4 23.Qd3 Qd2) 0–1. Frink,Ferenc (2250) – Mrva,Martin (2485), SVK–chT1E, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

    6.d4 g6 7.Bd3 Bg7 8.Ne2 d6 9.0-0 Nf6 10.h3 0-0 11.Nd2 Qc7 12.f4 a6 13.Ra2 Bd7 14.Nf3 Na7 (14...b5 15.e5 Nd5 16.Bd2-/+) 15.g4 (better is 15.e5 Ne8 16.Qb3+=) 15...Ng4 (better is 15...Be6 16.d5 Bc8+=) 16.hg4+= Bg4 17.Qe1 Qd7 18.Qg3 Bh3 (18...f5 19.e5+=) 19.Rf2+/- Qg4 20.Rh2 Qg3 21.Ng3 Bg4 22.Kf2 Bf3 23.Kf3 e5 (23...Rfc8!? 24.Bd2 Nc6+=) 24.fe5+/- de5 25.d5 Rad8 26.Be3 Nc8 27.c4 Rfe8 (27...f5!? 28.ef5 Nd6+/-) 28.Rag2 f6 29.Rh1 Rd7 30.Ne2 Bf8 31.Rb1 Be7 (31...Rc7 32.Nc3+/-) 32.Nc3 Rc7 33.Na4 White plans c5 33...Kf7 (33...Rd8!?+/-) 34.Rgb2+- Nd6 (34...b5 35.cb5 ab5 36.Bb5 Rd8+-) 35.c5 Nc8 (35...Ne4 36.Be4 (36.Ke4?! f5 37.Kf3 e4 38.Be4 fe4 39.Kg2 Rd7+-) 36...f5 37.Rb7 fe4 38.Ke4 Rb7 39.Rb7+-) 36.Rb7 (36.Rb7 Rb7 37.Rb7+-) 1–0. Frink,F (2250) – Smehlik,J (1925), Tatry Open Tatranske Zruby SVK, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

    6.d4 g6 7.Bd3 Bg7 8.Ne2 Nf6 9.0-0 0-0 10.f4 d6 11.f5 e6 12.Bg5 Qc7 13.Na3 ef5 14.ef5 Ne7 15.fg6 fg6 16.Nb5 Qb6 17.Bf4 Nf5 18.Bf5 Bf5 19.Nd6 Be6 20.Rb1 Qc6 21.Be5 (21.Nb7 Ne4 22.Na5 Qd5=) 21...b6 (21...Ng4!? 22.Bg7 Kg7 23.Nb7 Ne3-/+) 22.Nf4+= Bc4 23.Rf3 Nd5 24.Ne6 Ne3? (better is 24...Be5 25.de5 Ne3 26.Rf8 Rf8=) 25.Re3+- (25.Rf8? Bf8 26.d5 Bd5-+ (26...Nd1?! 27.dc6 Nc3 28.Bc3 Bd6 29.Rd1 Bh2 30.Kh2 Be6 31.c7-/+)) 25...Rf1? (better is 25...Be6 26.Bg7 Qd6 27.Bf8 Rf8+-) 26.Qf1 Bf1 27.Rf1 Be5 28.de5 Qd5 29.Ng5 a5 30.Ngf7 Qc5 31.Rfe1 a4 32.e6 a3?? 33.Ne4 Qe7 34.Nd2 a2+/- 35.Nb3 Qc7 36.Na1 b5 37.Ng5 Kg7?? 38.e7+- Qa7 39.Kh1 Re8 40.Ne6 Kg8 41.Nd4 Qc5 42.Ndc2 Qc4 43.h3 Kg7 44.Nb4 h5 45.R1e2 Kh6 46.Ra2 Qf1-+ 47.Kh2 Qf4 48.g3 Qe3 49.Nd5 Qe5 50.Rd2 h4 51.Nb3 Qg3 52.Kh1 Qh3 53.Kg1 Qg4 (53...Qg4 54.Kf1 Qc4 55.Kf2 Qb3-+) 0–1. Boettcher,Ulrich (2020) – Hanisch,Pavel (2140), Bad Woerishofen op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

    6.d4 g6 7.d5 Na5 8.Qa4 b6 9.Bf4 Nf6 10.Na3 Bg7 11.Nb5 0-0 12.Bc7 Qe8 13.Bb6? (better is 13.Bf4 d6 14.Nc7 Qa4 15.Ra4-/+) 13...ab6-+ 14.Nc7 Qd8 15.Na8 Ne4! 16.Bd3?? (16.Qe4 Bc3 Double attack) 16...Bc3 17.Ke2 Nc5 (worse is 17...Ba1 18.Be4 Ba6 19.Kd1-+) 18.Qa2 Ba1 (18...Ba1 19.Qa1 Nd3 20.Kd3 Ba6 21.Ke4 f5 22.Ke3 Qa8-+) 0–1. Strik,Aart – Spaan,Martijn, Haarlem ACCOM op, 1990. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6)

    6.d4 d5

    7.Bb5 de4 8.d5+/- Qb6 9.Qa4 Bd7 10.Be3 Qc7 11.dc6 bc6 12.Qe4 Nf6 13.Qf3 e5 14.Nd2 Bd6 15.h3 0-0 16.Bc4 c5 17.Ne2 Kh8 18.Ra6 Rae8 19.g4 Bc8 20.Rc6 Qe7 21.g5 Ng8 22.Bd5 (22.Ne4 Bc7 23.Bc5 Qd7+-) 22...f5? (better is 22...Bd7 23.Ra6 Bb5+-) 23.gf6! Nf6 (23...Qf6 24.Ne4 Double attack (24.Ne4 Decoy); 23...Rf6 24.Ne4 Double attack (24.Ne4 Decoy); 23...gf6 24.Ne4 Double attack (24.Ne4 Decoy); 23...Nf6 24.Ne4 Double attack (24.Ne4 Decoy)) 24.Bg5 Qd7 25.Nc4 (25.Bf6 Rf6 26.Qg4 Qc6 27.Bc6 Bg4 28.Be8 Rh6+=) 25...e4 (25...Nd5 26.Qd5 Bb7 27.Rd6 Qc8+= (worse is 27...Bd5 28.Rd7 Bh1 29.Be3+/-)) 26.Qg2+/- Bc7? (better is 26...Nd5 27.Rd6 Qb7+=) 27.Bf6+- gf6 28.Rg1 (28.Be4 Re4 29.Qe4 Bb7-/+) 28...Bb7 29.Rc5 Rd8 30.Nd4 Bd5 31.Rd5 Qf7 32.Rd8 Rd8 33.Ne6?? (better is 33.Nd2+-) 33...Rb8?? (better is 33...Rd7 34.Qe4 Re7=) 34.Qg7+- (34.Qg7 Qg7 35.Rg7+- (35.Ng7? Rb1 36.Ke2 Rg1-+); 34.Qe4?! Re8 35.Ne3 Re6=) 1–0. Schaffranietz,Horst – Graf,Stefan, Regionalliga SW, 2000. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

    7.Bb5 de4 8.d5 Qd7 9.dc6 bc6 10.Qd7 Bd7 11.Ba6 +/-.

    7.Bb5 Be6 8.c4 de4 (8...dc4? fails to 9.d5 Bd7 10.dc6 bc6 11.Bc4+-) 9.d5 White threatens to win material: d5xc6 9...Bd7 10.dc6 White has a mate threat 10...bc6 White wins a piece. . 11.Ba4 (11.Ba6 Qc7+=) 11...Nf6 (11...e5 12.Bc2 Bb4 13.Bd2=) 12.Ne2 Qc7 (12...e6 13.Bc2+/-) 13.0-0 Black's piece can't move: f8 (13.Qc2 e6+=) 13...Ng4 Black has a mate threat 14.Bf4 White threatens to win material: Bf4xc7 (14.Ng3!? must be considered 14...Rb8 15.Nc3+=) 14...e5= Black threatens to win material: e5xf4 15.Bg3 f5 16.h3 White threatens to win material: h3xg4 16...Nh6 17.Nec3 (17.Qd2 Be7=) 17...Be7 (better is 17...Rb8!?= should not be overlooked) 18.Nd5+/- Qd6 19.Ne7 Qe7 20.f4 (20.Qb3!? f4 21.Bh2+/-) 20...ef4 21.Bf4 White wins a piece 21...Nf7 22.Qd4 White threatens to win material: Qd4xg7 22...0-0 23.c5 Rfd8 24.Bd6 (24.Bc7 Re8+=) 24...Nd6 (24...Qe8 25.Ra3 Be6 26.Nd2+=) 25.cd6 White wins a piece (25.Qd6?! Qd6 26.cd6 Rab8=) 25...Qg5 (25...Qe6 26.Na3+/-) 26.Bb3 (26.Nd2 Qf6 27.Qf6 gf6+-) 26...Kh8 27.Nc3 (27.Ra5 Qh6+/-) 27...Rab8 (27...Qg3!?= is interesting) 28.Bc2+/- Re8? (28...c5!? 29.Qc5 Rbc8+/-) 29.Ne2 (better is 29.Ra7!? keeps an even firmer grip 29...Rbd8+-) 29...c5 (29...a6 30.Ra6 c5+-) 30.Qc3 (30.Qc5 a5 31.Ba4 Rec8+-) 30...Bb5 (30...Rb6 31.Ba4 (31.Qc5 Rc8 32.Qd5 Rc2 33.Ra7 Rb8+=) 31...Rd6 32.Bd7 Rd7 33.Qc5+/-) 31.Rf2 (31.Ra7 Be2 32.Rf5 Qh6+-) 31...Be2? (better is 31...a6!?+= would keep Black in the game) 32.Re2+/- Rbd8 (better is 32...Red8!?+/-) 33.Qc5+- Qf6 34.Rd1 Re6 35.d7 Re7? (35...a6 36.Be4! a brilliant end 36...fe4 37.Rf1+-) 36.Qc7 (36.Qa7 might be the shorter path 36...Re6+-) 36...Rf7 (36...Re6+-) 37.Bb3 Rff8 38.Qd6 (38.Qa7 and White can already relax 38...Ra8 39.Qd4 Qd4 40.Rd4 g6+-) 38...Qg5 39.Qe5 (39.Qc5 makes it even easier for White 39...Qf6+-) 39...Qf6 (39...h6 40.Rd6 Kh7 41.h4 Qc1 42.Rd1+-) 40.Qf6 Rf6 (40...gf6?? 41.Be6 f4 42.Re4+-) 41.Rc2 (41.Rc2 g6 42.Rc8+-) 1–0. Zala,Gyula (2175) – Toth,Mate Jozsef (2130), HUN–chT2 Erkel, 2003. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

    7.Nd2 e5 8.de5 de4 9.Qe2 +=.

    7.Nd2 e6 8.Bb5 Bd7 9.Ngf3 Be7 10.0-0 de4 11.Ne4 Nf6 12.Re1 Ne4 13.Re4 0-0 14.Qb3 (14.Bd3 a6+=) 14...Re8 (14...Qb6 15.Qa4+=) 15.Bd2 (15.Bd3 b6+=) 15...a6 16.Bd3 b5 17.Rae1 (17.c4 bc4 18.Bc4 Qb8+=) 17...Bf6 18.Bb1 (18.Qb2 Ne7-/+) 18...Na5-/+ 19.Qc2 g6 20.Bf4 (20.Ne5!?-/+) 20...Bc6-+ 21.R4e3 Nc4 22.Rd3 Na3 23.Qb3 Nb1 24.Qb1 Rc8 (24...Qd5 25.Be5 Be7 26.Qc1-/+) 25.Ne5 Qd5 26.Nc6 Rc6 27.Be5 Be5 (27...Be7 28.Qb2-/+) 28.Re5 (28.de5 Qc4-/+) 28...Qd6 29.Kh1 Rec8 30.Ree3 (30.Qe1 b4!-+) 30...b4! 31.Qb3 (31.Qb4 Qb4 Combination; 31.cb4 Rc1 Double attack (31...Rc4 Decoy)) 31...bc3 32.Rc3 (32.Qc2-+) 32...Qd4 33.Red3 (33.g3 Rc3 34.Qb7 Qd5 35.Qd5 ed5-+) 33...Qc3 34.Qc3 (34.h3 Qe1 35.Kh2 Qf2 36.Qb4-+) 34...Rc3 35.Rc3 Rc3 36.h3 a5 37.Kh2 a4 38.f3 a3 39.Kg3 (39.Kh1 a2 40.Kh2 a1Q 41.h4 Rc1 42.f4 Rh1 43.Kg3 Qf1 44.h5 Qd3 45.Kg4 gh5 46.Kg5 Qg6) 39...a2 40.h4 (40.Kg4 a1Q 41.Kg3 Qe1 42.Kg4 h5 43.Kg5 Rc5 44.Kh6 Qe3 45.f4 Qf4) 40...a1Q 41.h5 (41.Kh2 Rc4 42.f4 Qe1 43.g3 Rc3 44.h5 Qg3 45.Kh1 Rc1) 41...g5 42.h6 (42.Kh2 Rc2 43.h6 Qf1 44.Kg3 Qg2) 42...f5 (42...Qe1 43.Kh2 Qh4 44.Kg1 Rc1) 43.Kh3 (43.Kf2 Rc2 44.Kg3 Qf1 45.f4 Qg2) 43...Qh1 44.Kg3 Qh4 0–1. Rocha de Moura,RK – Casarin,LMP (1855), Bairro BRA, Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

    7.Nd2 e6 8.Ngf3 Nf6 9.e5 Nd7 10.Bd3 a5 11.0-0 b6 12.Re1 Ba6 13.Bc2 Be7 14.Nf1 h5 15.Kh1 Na7 16.Ng1 Qc7 17.Re3 Bg5 18.Rg3 Bc1 19.Qc1 g6 20.Qg5 Qd8 21.Qf4 Qe7 22.Nd2 Rc8 23.Nh3 Rc7 24.Ng5 Nf8 25.Qe3 Rg8 26.Ndf3 Kd8 27.Nd2 Kc8 28.Rf3 Rg7 29.h4 Kb7 (29...Kd8!?=) 30.Bd3+= Bd3 31.Qd3 Nh7 32.Nh7 Rh7 33.g3 Nc6 34.c4 Nb4 35.Qb3 Rh8 (35...Kc8!?=) 36.c5+= Ra8 37.cb6 Rc2 38.Rc3 (38.Nf1 Rc6+=) 38...Rc3 (38...Rd2 39.Rc7 Qc7 40.bc7 Rd3+-) 39.Qc3+/- Kb6 40.Nb3 Nc6 (40...Ra7 41.Kg1+/-) 41.Nc5 (better is 41.Rb1!? Nb4 42.Na5 Ra5 43.Rb4 (43.Qb4?! Qb4 44.Rb4 Rb5=) 43...Rb5 44.Ra4 Rb1 45.Kg2+-) 41...Kc7+/- 42.Rb1 Ra7 43.Qb3 (43.Na4 Ra6+=) 43...Nb4 (43...Nd4?? 44.Qb6 Kc8 45.Qb8) 44.Qa4 Kd8 45.Qb5 (45.Rc1 g5 46.Qb5+-) 45...Qc7= 46.Rc1 Ke7 47.Nb3 Qd7 48.Qc5 Ke8 49.Qb6 Qb7 50.Qd6 Ra6 51.Rc7 (51.Na5!? Rd6 52.Nb7=) 51...Rd6+= 52.Rb7 Rd7 53.Rb5 (53.Na5 Rb7 54.Nb7 Nc2-/+) 53...Ra7 (better is 53...Nc6!? 54.Rc5 Rb7 55.Na5 Rb1 56.Kg2 Nd4-/+) 54.Ra5 Ra5 55.Na5 Nc2 56.Nb3 Kd7 57.Kg2 Kc6 58.f4 Kb5 59.Kf3? (better is 59.Kf2!?+=) 59...Kc4 60.Nd2 Kd4 (60...Kc3!? 61.Ke2-+) 61.Ke2 Kc3 62.Nb1 Kc4 63.Nd2 Kc3 64.Nb1 Kb2 65.Nd2 Nd4 (65...Nd4 66.Kd3 Kc1-+) 0–1. Plaszczynska,A – Brustman,Agnieszka (1935), Poland–chT Porabka, 1986. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

    7.e5 f6 8.Bd3+= g6 9.f4 (9.Nf3 Bg4+= 10.Bf4 Bh6 11.Bg3 fe5 12.de5 Bg7; 9.Bf4 Bh6 10.Bh6 Nh6 11.ef6 ef6 12.Nf3 0-0) 9...Nh6 (9...Bg7 10.Nf3 Nh6 11.Qb3 0-0 12.0-0 Na5; 9...Kf7 10.h4 Bh6 11.h5 Kg7 12.Qf3 Bf5; 9...Bh6 10.Nf3 Bg4 11.0-0 Qb6 12.Kh1 Qc7; 9...Qc7 10.Qb3 Nd4 11.Qd5 Nc6 12.e6 Qd6; 9...a6 10.Nf3 Bg4 11.0-0 b5 12.Qe1 Qc8) 10.Nf3 Bg7 11.0-0 (11.Qb3 0-0 12.0-0 Na5) 11...0-0 12.h3 (12.Qb3 a6+= (12...Ng4+=)) 12...Bf5-/+ 13.Na3 Bd3 14.Qd3 e6 15.g4 (15.ef6 Qf6 16.Nb5 a6-/+) 15...f5 (15...a6 16.Nc2-/+) 16.g5 Nf7 17.h4 (17.c4 dc4 18.Nc4 Qd5-/+) 17...a6 18.Ra2 (18.Nc2 Qc7-/+) 18...h5 (18...Qc7 19.h5-+) 19.gh6 Bh6 20.Rg2 Kh7 21.Ng5 Bg5 22.fg5 b5 23.h5 Rh8 (23...Qb6 24.Qe3-/+) 24.Nc2 (24.Kf2 b4 25.cb4 Qb6 26.hg6 Kg6+=) 24...Kg7 (24...Qb6 25.Rgf2 Qc7 26.Qg3-/+) 25.hg6 Kg6 Increasing the pressure on the isolated pawn on g5 26.Ne3 (better is 26.Kf2+=) 26...Rh3?? (better is 26...Kg7+=) 27.Rf5!+- Kg7 (27...ef5 28.Qf5 Double attack) 28.Rf6 Ne7 29.Nf5!! (29.Nf5 Nf5 30.Qh3+-) 1–0. Turta,V (2225) – Podgursky,S (2215), A.Lutikov Memorial, 2008. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

    7.e5 f6 8.Bd3 g6 9.h4 fe5 10.h5 e4 11.hg6 Nf6 (worse is 11...ed3 12.Rh7 Bg7 13.Rg7=) 12.Bb5 Bf5 13.gh7 Rh7 (13...Nh7?? 14.Qh5 Kd7 15.Qf5 e6 16.Rh7 Be7 17.Qf7+-; 13...Bh7 14.Ra6 Qd7 15.Qa4=) 14.Rh7 Bh7 15.Bg5 Qd6 16.Nd2 Qh2 17.Ne2 Qg2 18.Bf6 ef6 19.Qb3 e3! 20.fe3 (20.fe3 Bd6 Combination) 20...Bd6 21.Bc6 bc6 22.Qb7 ½–½. Noire,Eric (2190) – Horak,Jiri (2270), IECG, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

    7.e5 f6 8.f4 Bf5-/+ 9.Nd2 e6 10.g4 fe5 (10...Bg6 11.Qb3 Qd7 12.Ngf3-/+) 11.h4 (11.gf5 Qh4 12.Ke2 Qh5 13.Ke1 Qh4 14.Ke2 Qf4=) 11...Be7 (11...ed4!? 12.gf5 dc3 13.Qh5 g6 14.fg6 cd2 15.Bd2 Kd7-/+) 12.gf5= Bh4 13.Ke2 ed4 14.Ndf3 Bf6 15.fe6 dc3 16.Qd3 Qd6 17.Bh3 Nge7 18.Ba3 (better is 18.Rb1!?-/+) 18...Qf4-+ 19.Kf2 (better is 19.Be7 Ne7 20.Qb5 Kf8 21.Ra4-+) 19...Bd4 20.Kg2 Ng6 (better is 20...Qe4!? 21.Qf1-+) 21.Bf5 Nge5 22.Ne5 Qf2 (22...Qe5?! 23.Nf3 Qe3 24.Qc2+=; 22...Ne5 23.Qb5 Kd8 24.Qd5 Kc8 25.Rh5 (25.Rh7 Qg5 26.Kh1 Rh7 27.Bh7 Qh5 28.Kg2 Qg4 29.Kh1 Qh4 30.Kg2 Qh7 31.Qd4 Qg6 32.Kf2 Qf5 33.Ke1 Qe6 34.Qc3 Kd7+=) 25...Qd2 26.Kh1+-; 22...Be5?! 23.Rh7 Rh7 24.Bg6 Kd8 25.Qd5 Bd6 26.Bh7+=) 23.Kh3 Be5 (23...Ne5 24.Qb5 Nc6 25.Qd5-+) 24.Ne2 d4 (24...g6 25.Be4 0-0-0 26.Bf3-+) 25.Rad1 (25.Nc3 Qe3 26.Qe3 de3-+) 25...Rd8 (better is 25...Bf6-+) 26.e7? (26.Bc1 Rf8 27.Rdf1 Rf5 28.Rf2 Rf2 29.Qh7 Ke7 (29...Re2 30.Qg6 Ke7 31.Ba3 Nb4 32.Bb4 Rd6 33.Qf7 Kd8 34.Ba5 b6 35.e7 Kc8 36.e8Q Rd8 37.Qc6 Kb8 38.Qfb7) 30.Bg5 Ke6 31.Bd8 Re2 (31...Nd8?! 32.Qh4 Re2 33.Qg4 Kd6 34.Qe2+=) 32.Qg6 Kd5 33.Qf7 Kc5 34.Be7 Ne7 35.Qe7 Kc4 36.Qb7 Re3 37.Kg4 c2=) 26...Rb8 (26...Ne7 27.Qb5 Nc6-+) 27.Rhf1?? (27.Nc3 g6 28.Bg4-/+) 27...Qh2 28.Kg4 h5 (better is 28...Qg2 29.Kh5 g6 30.Kh6 gf5-+) 29.Kf3 Bf6 (29...Ne7 30.Qb5 Kf7 31.Qc4 Ke8 32.Qe6+-) 30.Bg6 Kd7 31.Qf5 Kc7 32.Nf4 Ne5 (32...Ne7 33.Qc5 Nc6 34.Qd6 Kb6 35.Bc5 Kb5 36.Bd3 Ka4 37.Ra1 Kb3 38.Rfb1 Qb2 39.Ra3) 33.Ke4 Qc2 34.Rd3 Qb3?? (better is 34...Nd3 35.Bd6 Kb6 36.Nd3 Qg2 37.Rf3 Qe2 38.Kd5 Rbc8-+) 35.Nd5 Kc6 36.Qe6 Kb5 37.Nc3! dc3 38.Qb3 Kc6 (38...Ka6 39.Qa4 Kb6 40.Rb1 Kc7 41.Bd6 Kc8 42.Rc3 Nc4 43.Rc4) 39.Qd5 (39.Rc3 Nc4 40.Rc4 Kd7 41.Qh3) 39...Kc7 (39...Kb6 40.Rb1 Kc7 41.Qd6 Kc8 42.Rc3 Nc4 43.Rc4) 40.Qd6 Kc8 41.Bf5 (41.Bf5 Nd7 42.Qd7#; 41.Rc3 Nc4 42.Rc4) 1–0. Wege,Jochen (2240) – Becker,R, Kassel op, 1994. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

    7.Bb5 e6

    8.ed5 Qd5 9.Bf1 e5 10.Be3 ed4 11.cd4 (11.Ne2 Nf6 12.Nd4 Bc5-/+) 11...Bb4-+ 12.Ke2 (12.Nd2-+) 12...Nf6 13.Nf3 0-0 14.g3 (14.h3 Re8 15.Nbd2 Nd4 16.Nd4 Qd4-+) 14...Bf5 (14...Be6!? 15.Nbd2 Ne4 16.Ne4 Qb5 17.Qd3-+) 15.Bg2 (15.Nbd2 Bg4 16.Bg2 Qb5 17.Ke1-+) 15…Qb5 (15...Qb5 16.Qd3 Qd3; 15...Qc4 16.Qd3 Qd3) 0–1. bobby fissure (2165) – marekt (2575), ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6)

    8.e5 Qc7 9.Nf3 +=.

    8.e5 Nge7 9.Bd3 Ng6 10.f4 Be7 11.Nf3 0-0 12.0-0 Rb8 13.Ra2 b5 14.g4 f5 15.gf5 ef5 16.Rg2 Qe8 17.Kh1 Be6 18.Rfg1 b4 19.h4 Nh4?? (19...Rf7!?-/+) 20.Rg7 (20.Nh4 Bd8 21.Nf3 Rf7+/-) 20...Kh8 21.Nh4 Bh4?? (better is 21...bc3 22.Nf5! Rf5 23.Bf5 Bf5 24.Nc3 Bg6 25.R7g6 hg6 26.Nd5 Qf7 27.Ne7 Ne7+/-) 22.Qf3 (22.Rh7! Kh7 23.Qg4 Bg5 24.Qg5 Qg6 25.Qg6 Kh8 26.Qg7) 22...Ne7?? (22...Rf7 23.Rf7 Qf7-/+ (worse is 23...Bf7 24.Bf5 Qe7 25.Bb2+=)) 23.Qh3+/- Ng6 24.Ra7 Be7 25.Ra6 (better is 25.cb4!? Rg8 26.b5+-) 25...Qf7+= 26.Qh6 Rg8 27.Rg2 Bf8 28.Qh5 bc3 29.Nc3 Rb3 30.Bd2 Ne7 (better is 30...Bb4!? 31.Re6 Qe6 32.Bf5 Qa6-/+) 31.Qf7+/- Bf7 32.Ra8 Rg2? (better is 32...Be6!?+=) 33.Rf8+- (33.Kg2?! Kg7 34.Kf2 h5+=) 33...Kg7 34.Rf7 Kf7 35.Kg2 Rb2 36.Nb1 Nc6 37.Bf5 Nd4 38.Bh7 Nb3 39.Kh3 Nd2 (39...Rd2? 40.Nd2 Nd2 41.Kg3+-) 40.Nc3?? (better is 40.Nd2 Rd2 41.Kg4+=) 40...Rb3-+ 0–1. Zala,Gyula (2250) – Nilsson,Nils Specht (2235), Budapest Spring op, 1993. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6)

    8.e5 Bd7

    9.Bd3 a6 10.Nh3 g6 11.Ng5 Bg7 12.h4 f5 13.ef6 Qf6 (worse is 13...Nf6 14.h5 Ne7 15.h6=) 14.h5 e5 15.0-0? (better is 15.hg6!? hg6 16.Rh8 Bh8 17.de5 Ne5 18.Be2-/+) 15...Nge7 16.de5 Ne5 (16...Qe5?! 17.hg6 hg6 18.Bg6 Kf8 19.Qf3 Bf5 20.Bf4=) 17.Be2 h6 (17...0-0 18.hg6 Qg6 19.Nf3-+) 18.Nf3-/+ 0-0 (18...Nc4 19.Bc4 dc4 20.Ba3 gh5 21.Re1=) 19.Ne5 Qe5 20.Ba3 Bc6 21.Bf3 Qf6 22.Be7 Qe7 ½–½. Strejc,Josef (2135) – Mezera,Lukas, CZE–chTJ, 2000. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.Bb5 e6 8.e5 Bd7)

    9.Bd3 b5 10.Ne2 b4 11.0-0 f5 12.c4 Nge7 13.Be3 dc4 14.Bc4 Na5 15.Bd3 Nd5 16.Nf4 Nf4 17.Bf4 Be7 18.d5 ed5 19.e6 Bc6 20.Bf5 0-0 21.Qh5 Rf5 22.Qf5 Nc4 23.Re1 a5 24.Nd2 Qf8 25.Qg4 Qf6 26.Nc4 dc4 27.Bg3 c3 28.Qc4 Be8 29.Qd5 Rd8 30.Qa5 c2 31.Qa2 Bg6 32.Qb3 Qd4 33.Be5 Qd2 34.Bc7 (better is 34.h3!?+/-) 34...Rc8= 35.g3 h6 (35...Rc7 36.Ra8 Rc8 37.Rc8 Qd8 38.Rd8 Be8 39.Re8 Bf8 40.e7 Kh8 41.ef8Q) 1–0. Zala,Gyula (2145) – Steiger,Bela (2235), HUN–chT2 Erkel, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

    9.Bd3 Qc7 10.Ba3 +=.

    9.Bd3 Rc8 10.Nh3 Be7 11.Qg4 g6 12.0-0 f6 13.ef6 Bf6 14.Qe2 Kf7 15.Nf4 Attacking the backward pawn on e6 15...Nge7 16.Qf3 e5 17.Nd5 Nd5 18.Qd5 Be6 19.Qf3 ed4 20.Bg5 dc3 21.Nc3 Kg7 22.Bf6 Qf6 23.Qf6 Kf6 24.Ne4 Kg7 25.Nc5 Bd5 26.Nb7 Nb4 27.Be4? (better is 27.Be2!? Rc2 28.Bd1+=) 27...Be4-+ 28.Nd6 Bd3 29.Ra7 Kf6 30.Nc8 Bf1 (30...Rc8?! 31.Rd1-/+) 31.Kf1 Rc8 32.Rh7 Rc2 33.Rd7 Nc6 34.Rd6 Kf5 35.g4 Kg5 36.h4 Kg4 37.Rg6 Kh4 38.Re6 Kh3 39.Re3 Kg4 40.Re8 Nd4 41.Rg8 Kf4 42.Rf8 Nf5 43.Kg2 ½–½. Strejc,Josef (2130) – Cernousek,Lukas (2180), CZE–ch U18 Czechia, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.Bb5 e6 8.e5 Bd7)

    9.Bd3 f5 10.g4 (10.Nf3 a6=) 10...Nge7+= 11.Nh3 Ng6 (11...Qc7 12.gf5 Nf5 13.Nf4+=) 12.Ng5 (12.gf5 ef5 13.Qh5+=) 12...Be7 (better is 12...Nh4!?+=) 13.Ne6= Be6 14.gf5 Bf7 (14...Nge5 15.de5 (worse is 15.fe6 Nd3 16.Qd3 0-0+=) 15...Bg8 16.e6+=) 15.fg6+/- hg6 16.Qc2 (16.Nd2 g5+/-) 16...Bg5 (16...g5 17.Ba3+=) 17.Nd2+/- Rc8 18.Qb1 (18.Nf3 Bc1 19.Qc1 a6+/-) 18...Qe7 (18...Rh3 19.Nb3 (worse is 19.Bg6 Rc3 20.Bf7 Kf7=) 19...Rc7 20.Ba3+/-) 19.Bg6 Rh6?? (19...Rc7 20.Qf5 Bg6 21.Qg6 Kd8 22.Nb3 Bc1 23.Nc1+/-) 20.Bf7 (better is 20.Qf5 Ra8 21.Bf7 Qf7 22.Qg5+-) 20...Qf7+/- 21.Qd3 b6 22.Nf1 Bc1 23.Rc1 Rh4 24.Rd1 (24.Ra1 Re4 25.Ne3 Rc7+/-) 24...Na5 25.Ng3 (25.Nd2 Nc4+=) 25...Rf4+= 26.0-0 (better is 26.Qb5 Kd8 27.Ne2+=) 26...Rf3? (better is 26...Nc4+=) 27.e6!+- Qf6 (27...Qe6 28.Qe2 Double attack (28.Qf3 Deflection; 28.Qe2 Decoy)) 28.Qb5 Kf8 29.Rde1 (29.Qd5 Rfc3 30.Rfe1+-) 29...Rc7 (29...Nc6 30.Qd5 Ne7+-) 30.Qd5 Rfc3? (30...Ke7 31.Re5 g6+-) 31.Qd6 (better is 31.Re3 Ke8 32.e7 Re7 33.Rc3+-) 31...Qe7 (better is 31...Ke8!?+/-) 32.Qe7 Ke7?? (32...Re7 33.Nf5 Rd3+-) 33.Nf5 Kf6 (33...Kd8 34.d5+-) 34.e7 Rc8 (34...Re7 35.Ne7 (35.Re7?! Kf5 36.Rd1 Nc4+-) 35...Rc4 36.Nd5 Kg6 37.Re4+-) 35.Nd6 1–0. Gietl,Thomas (2205) – Reis,Gerhard (2180), Landesliga Nord, 1996. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6 8.e5 Bd7)

    9.Bd3 g6 10.Nh3 b5 11.0-0 Na5 12.f4 Nc4 13.g4 Qh4 14.Qf3 h5 15.g5 Qg4 16.Qg4 hg4 17.Nf2 Ne7 18.Ng4 Bg7 19.Nf6 Bf6 20.ef6 Nc8 21.Bc4 bc4 22.Ra6 Bb5 23.Ra5 Bc6 24.Ba3 Rb8 25.Bb4 Rb5 26.Ra2 a5 (better is 26...Rh4!?=) 27.Ba5+/- Nd6 28.Nd2 Ne4 29.Nf3 0-0 (better is 29...Rb3!?+=) 30.Ne5+- Rc8 31.Bb4 Be8 32.Ra7 Nd2 33.Rf2 Nb3?? (better is 33...Rb4 34.cb4 c3+/-) 34.Ng6! fg6 (34...fg6 35.Rg7 Mate attack) 35.Rg7 Kh8 36.Rf3 (36.Rf3 Rb4 37.Rh3) 1–0. Soukup,Jiri (2250) – Havranek,Miroslav (2210), CZE–chT2b, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.Bb5 e6)

    9.Bd3 g6 10.Nh3 b5 11.0-0 h5 12.Nf4 Nge7 13.Na3 a6 14.Nc2 Na5 15.Ba3 Nc4 16.Bd6 Nb2 (16...Nd6!? 17.ed6 Nf5-/+) 17.Qe2 Nd3 18.Nd3 Nf5 19.Bf8 Kf8 20.Nc5 a5 21.f3 h4 22.Qf2 Bc6 23.f4 Kg7 24.Rfb1 Qe7 25.Ne1 b4 (better is 25...Qc7!?=) 26.cb4+= ab4 27.Ra8 Ra8 28.Ned3 Bb5 29.Nb4 Bc4 30.Qb2 Rc8 31.Nc2 Rc5 32.dc5 Qc5 33.Kh1 Bd3 34.Rc1?? (better is 34.Nb4 Bb1 35.Qb1-+) 34...Qf2 35.Qc3 h3 (35...h3 36.Rg1 hg2 37.Rg2 Qf1 38.Rg1 Be4 39.Qf3 Bf3; 35...Qf4?! 36.Re1 Be4 37.Ne3-+) 0–1. Soukup,Jiri (2185) – Vagner,Tomas (2235), CZE–chT2b, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

    9.Bd3 Nge7

    10.Ra2 Qc7 A) 11.Na3 Ng6 (11...Nf5 12.Nf3 Qb6 13.0-0 Be7 14.Rb2 Qc7 15.Nb5 Qd8 16.Bf5 ef5; 11...Nc8 12.Nf3 Be7 13.0-0 a6 14.Nb5 Qd8 15.Bf4 h6 16.Nd6 Nd6; 11...Na5 12.Ne2 Nf5 13.0-0 Ba3 14.Ba3 Nc4 15.Nf4 Bb5 16.Bb4 g6) 12.Nf3 Be7 13.0-0 0-0 14.Bg5 Rfc8 15.Qd2 f6 16.ef6 gf6; B) 11.Nf3 a6 (11...Ng6 12.Ba3 Nf4 13.Bf8 Rf8 14.0-0 f6 15.Re1 fe5 16.Ne5 Ne5; 11...Nf5 12.Ba3 Ba3 13.Na3 Nce7 14.Qc2 a6 15.0-0 Rc8 16.Nb1 Qc6; 11...Na5 12.Ng5 Nf5 13.Bf4 h6 14.Nf7 Kf7 15.Bf5 Kg8 16.Bd3 Be7) 12.0-0 Na7 13.Ba3 Bb5 14.Bd6 Qc6 15.Na3 Nf5 16.Bf8 Rf8; C) 11.Nh3 f6 (11...Ng6 12.0-0 Be7 13.Bg5 0-0 14.Qh5 b5 15.Na3 Qa5 16.Bd2 Ba3; 11...Rc8 12.0-0 Nf5 13.Bf5 ef5 14.Nf4 Be6 15.Ba3 Ba3 16.Na3 a6; 11...a6 12.Ba3 Ng6 13.Bf8 Nf8 14.Qf3 Na7 15.Qg4 Ng6 16.Ng5 Bb5) 12.ef6 gf6 13.0-0 e5 14.Qh5 Kd8 15.de5 fe5 16.Ng5 Kc8; D) 11.Ba3 Ng6 (11...Nf5 12.Bf8 Rf8 13.Nf3 b6 14.0-0 Nce7 15.Qb3 Rg8 16.Ra6 Bc8; 11...b6 12.Nf3 Ng6 13.Bf8 Rf8 14.0-0 f6 15.Re1 Kf7 16.Na3 Na5; 11...f6 12.Bd6 Qc8 13.ef6 gf6 14.Qh5 Kd8 15.Qf7 f5 16.Nf3 h6) 12.Bf8 Rf8 13.Nh3 a5 14.Qh5 Rh8 15.0-0 Nce7 16.Qf3 Rf8.

    10.Ra2 Rc8 A) 11.Nd2 Ng6 (11...b6 12.Ngf3 Nf5 13.0-0 Na5 14.Bb2 Be7 15.Qc2 Qc7 16.Rc1 0-0; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Ne2 f6 15.ef6 gf6 16.Ng3 Qd6; 11...Nf5 12.Ngf3 Qc7 13.Ba3 Ba3 14.Ra3 0-0 15.0-0 f6 16.Re1 fe5) 12.Ne2 f6 13.ef6 gf6 14.Qb3 Qc7 15.Nf3 Bd6 16.0-0 Na5; B) 11.Na3 Ng6 (11...Nf5 12.Ne2 a6 13.0-0 Qc7 14.Bf4 Nfe7 15.Bg5 Ng6 16.Qb3 b5; 11...Qb6 12.Nf3 Nf5 13.0-0 Be7 14.Rb2 Qa5 15.Rb5 Qc7 16.Bf5 a6; 11...a6 12.Nf3 Nf5 13.0-0 Be7 14.Bf5 ef5 15.Nb1 Na5 16.Bg5 Bg5) 12.Nf3 Be7 13.0-0 a6 14.Qb3 Na5 15.Qb2 Ba4 16.Be3 b5; C) 11.Ne2 Ng6 (11...f6 12.ef6 gf6 13.Nf4 Qb6 14.Qh5 Kd8 15.Rb2 Qc7 16.Qf7 f5; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Nd2 f6 15.ef6 gf6 16.Ng3 Qd6; 11...Nf5 12.Nf4 g6 13.0-0 Qh4 14.Na3 h6 15.Nc2 a6 16.Ne3 Rc7) 12.Nd2 f6 13.ef6 gf6 14.Nf3 Qc7 15.Qb3 Rg8 16.Ba3 Bh6; D) 11.Nf3 Qc7 (11...Nf5 12.0-0 Qc7 13.Ba3 Ba3 14.Na3 a6 15.Bf5 ef5 16.c4 Be6; 11...Ng6 12.0-0 Be7 13.Be3 0-0 14.Nbd2 Qc7 15.Bg5 a6 16.Be7 Nce7; 11...a6 12.0-0 Ng6 13.Be3 Be7 14.Qb3 Rc7 15.Nbd2 0-0 16.Qb6 Nb8) 12.Ba3 Ng6 13.0-0 Ba3 14.Na3 a6 15.Bg6 hg6 16.c4 g5.

    10.Ra2 Nf5 A) 11.Nh3 Rc8 (11...Be7 12.Nf4 Nh4 13.0-0 Ng6 14.Qh5 Nf4 15.Bf4 a5 16.Qg4 Bf8; 11...a5 12.0-0 Qc7 13.Qf3 Nce7 14.Ba3 Qc6 15.Qh5 g6 16.Qf3 h6; 11...Qc7 12.0-0 Rc8 13.Bf5 ef5 14.Nf4 Be6 15.Ba3 Ba3 16.Na3 a6) 12.Nf4 Nfe7 13.0-0 Ng6 14.Qh5 Qh4 15.Qh4 Nh4 16.Nd2 Be7; B) 11.Nf3 Qc7 (11...Be7 12.Ba3 0-0 13.Qb3 Qc7 14.0-0 Rfc8 15.Nbd2 Na5 16.Qb1 Ba3; 11...b6 12.0-0 Be7 13.Ba3 0-0 14.Nbd2 Ba3 15.Ra3 Qe7 16.Qb3 Nh4; 11...Nh4 12.0-0 Nf3 13.Qf3 Qh4 14.Bf4 a6 15.Nd2 Ra7 16.Rb1 h6) 12.0-0 Be7 13.Ba3 0-0 14.Qc2 Kh8 15.Bf5 ef5 16.Be7 Ne7; C) 11.Nd2 b5 (11...Be7 12.Ne2 Qc7 13.0-0 0-0 14.Nf4 Bg5 15.Nb3 Bf4 16.Bf4 Nce7; 11...Qg5 12.g3 Qd8 13.Ngf3 Rc8 14.0-0 Be7 15.Ba3 b6 16.Qb3 Na5; 11...a5 12.Ngf3 b5 13.0-0 b4 14.Bf5 ef5 15.c4 Nb8 16.Re1 dc4) 12.Bb5 Ne5 13.Ba6 Ng6 14.Ngf3 Qc7 15.c4 dc4 16.Nc4 Bc6; D) 11.Ne2 Be7 (11...Qc7 12.0-0 Be7 13.Nf4 g6 14.Ba3 Bg5 15.Nh3 Bd8 16.Nd2 a6; 11...Rc8 12.0-0 Qc7 13.Bf5 ef5 14.Nf4 Be6 15.Ba3 Ba3 16.Na3 a6; 11...a6 12.0-0 b5 13.Re1 Be7 14.Nf4 0-0 15.Bf5 ef5 16.Nd5 Be6) 12.Nf4 Nh4 13.0-0 Ng6 14.Qh5 Nf4 15.Bf4 a5 16.Qg4 Bf8.

    10.Ra2 Ng6 A) 11.Ne2 Be7 (11...f6 12.Nf4 Nf4 13.Bf4 Qc7 14.Qh5 Kd8 15.Bg3 Be8 16.Qg4 Qf7; 11...Qc7 12.Nd2 f6 13.Qc2 Nge7 14.f4 a5 15.Ba3 fe5 16.fe5 Nf5; 11...Rc8 12.Nd2 f6 13.ef6 gf6 14.Qb3 Qc7 15.Nf3 Bd6 16.0-0 Na5) 12.Ba3 0-0 13.Qb3 b6 14.Bg6 fg6 15.Be7 Qe7 16.Nd2 Qh4; B) 11.Qh5 Qh4 (11...Rc8 12.Ne2 Qh4 13.Qh4 Nh4 14.0-0 Be7 15.Nd2 0-0 16.Ba3 Ba3; 11...Qc7 12.Ne2 Be7 13.Ba3 0-0 14.Be7 Nce7 15.Nd2 a6 16.0-0 b5; 11...a5 12.Nf3 Qc7 13.0-0 Nce7 14.Bg5 h6 15.Bd2 Bc6 16.Na3 Qd7) 12.Qf3 a5 13.Ne2 a4 14.Na3 Qd8 15.0-0 Be7 16.Bd2 0-0; C) 11.Nf3 Be7 (11...Rc8 12.0-0 Be7 13.Be3 0-0 14.Nbd2 Qc7 15.Qc2 Ra8 16.Rb1 a6; 11...Qc7 12.0-0 Be7 13.Bg6 hg6 14.Ba3 a6 15.Nbd2 g5 16.h3 g4; 11...a6 12.0-0 Be7 13.Ba3 Nf4 14.Bc2 f6 15.Be7 Qe7 16.g3 Ng6) 12.0-0 0-0 13.Qb3 Na5 14.Qc2 Nc4 15.Na3 Nb6 16.Re1 Qc7; D) 11.Nh3 Be7 (11...Qc7 12.0-0 Be7 13.Bg5 0-0 14.Qh5 Rfc8 15.Nd2 a5 16.Be7 Nce7; 11...Rc8 12.0-0 Be7 13.Ba3 0-0 14.Qh5 a5 15.Nf4 b5 16.Ng6 fg6; 11...a5 12.Bg5 Qc7 13.0-0 h6 14.Bd2 Nce7 15.Na3 Nf5 16.Nb5 Qc6) 12.Ba3 0-0 13.Be7 Nce7 14.Qh5 a5 15.0-0 Qc7 16.Ra3 b5.

    10.Nd2 a6 A) 11.Nh3 Ng6 (11...b5 12.Ba3 a5 13.Bd6 b4 14.cb4 Nb4 15.Bb4 ab4 16.Ra8 Qa8; 11...Na7 12.Qf3 Nb5 13.Nb3 Qc7 14.Bd2 Nf5 15.0-0 g6 16.Rfc1 Na3; 11...Ra7 12.Ba3 b5 13.Bc5 Ra8 14.0-0 Ng6 15.Bf8 Nf8 16.Nb3 Qc8) 12.Qh5 Qc7 13.Rb1 Nce7 14.Rb3 Ba4 15.Ra3 b5 16.Bb2 Nc8; B) 11.Ne2 Na7 (11...Ng6 12.0-0 b5 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...f6 12.ef6 gf6 13.Nf4 Qc8 14.Qh5 Kd8 15.Qf7 f5 16.0-0 e5; 11...b5 12.Ba3 Ng6 13.Bf8 Rf8 14.Nf3 f6 15.h4 fe5 16.Bg6 hg6) 12.0-0 Bb5 13.c4 dc4 14.Nc4 Nec6 15.Be3 Nb4 16.Nb2 Nd3; C) 11.Qb3 b5 (11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Ngf3 Ng6 15.0-0 Nf4 16.Qc2 f6; 11...Qc8 12.Ngf3 Ng6 13.Bg6 hg6 14.Ba3 b5 15.Bf8 Kf8 16.Qa3 Kg8; 11...Na5 12.Qc2 Ng6 13.Ne2 b5 14.0-0 Nc4 15.Bc4 bc4 16.Ba3 Ba3) 12.Ngf3 Ng6 13.Bg6 hg6 14.Ba3 Ba3 15.Ra3 g5 16.g4 Rh3; D) 11.Ba3 Na7 (11...Ng6 12.Bf8 Rf8 13.Qb1 b5 14.Ngf3 Nf4 15.0-0 f6 16.Re1 fe5; 11...b5 12.Ngf3 a5 13.Bc5 b4 14.cb4 Nb4 15.Bb4 ab4 16.Ra8 Qa8; 11...Ra7 12.Ngf3 b5 13.Bc5 Ra8 14.0-0 Qc8 15.Re1 Ng6 16.Bf8 Nf8) 12.c4 dc4 13.Nc4 Nb5 14.Nf3 Bc6 15.Nd6 Nd6 16.Bd6 Bd5.

    10.Nd2 b5 A) 11.Ne2 a5 (11...Ng6 12.0-0 a6 13.Nf3 Be7 14.Ba3 0-0 15.Be7 Nce7 16.Qd2 Qc7; 11...b4 12.Nf3 a5 13.Bd2 Ng6 14.h4 bc3 15.Nc3 Nb4 16.Be2 Rc8; 11...a6 12.0-0 Ng6 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7) 12.0-0 b4 13.cb4 Nb4 14.Bb1 Bb5 15.Nf3 Nec6 16.Re1 Be7; B) 11.Nb3 Nc8 (11...b4 12.Nc5 Qc7 13.Na6 Qb6 14.Rb1 Qa5 15.Nb4 Nd4 16.cd4 Nc6; 11...Ng6 12.Bb5 Nce5 13.Ba6 Nc4 14.Bc4 dc4 15.Na5 Qc7 16.Nf3 Bd6; 11...Nf5 12.Nf3 a5 13.Bg5 f6 14.ef6 gf6 15.Bd2 a4 16.Nc5 Bc5) 12.Nf3 a5 13.Ng5 Qc7 14.Nh7 Be7 15.Qc2 b4 16.Nd2 bc3; C) 11.Ndf3 b4 (11...Na5 12.Nd2 Ng6 13.Ne2 Nc4 14.Nc4 bc4 15.Bg6 hg6 16.Ba3 Ba3; 11...Ng6 12.Ne2 Be7 13.Ba3 b4 14.cb4 Nb4 15.0-0 a5 16.Qd2 0-0; 11...a6 12.Ne2 Ra7 13.Ba3 Na5 14.Ng5 Ng6 15.Bf8 Nf8 16.Nf3 Nc4) 12.Ne2 a5 13.cb4 Nb4 14.Bb1 Nec6 15.Nc3 Be7 16.0-0 0-0; D) 11.Ngf3 b4 (11...Ng6 12.0-0 a5 13.Nb1 Be7 14.Be3 0-0 15.Re1 Qc7 16.Ng5 b4; 11...Nf5 12.Qb3 a5 13.Bf5 a4 14.Qa2 ef5 15.Qd5 b4 16.Qc4 Rc8; 11...a6 12.0-0 Ng6 13.Nb3 a5 14.Ba3 b4 15.cb4 ab4 16.Bc1 Ra1) 12.cb4 Nb4 13.Be2 Nec6 14.0-0 Be7 15.Nb3 0-0 16.Qd2 a5.

    10.Nd2 Qc7 11.Ba3 Ng6 (11...Nf5 12.Bf8 Rf8 13.Ngf3 a6 14.Qb3 Nce7 15.g4 Nh6 16.Rg1 a5; 11...f6 12.Bd6 Qc8 13.ef6 gf6 14.Qh5 Kd8 15.Qf7 f5 16.Ngf3 Be8; 11...Qb6 12.Ngf3 Ng6 13.Bf8 Rf8 14.0-0 Qc7 15.c4 Nf4 16.Qb1 a5) 12.Bf8 Rf8 13.Ne2 f6 14.f4 a5 15.h4 f5 16.h5 Nge7.

    10.Nd2 Ng6 A) 11.Nh3 a6 (11...Be7 12.Ba3 Ba3 13.Ra3 Qe7 14.Qa1 0-0 15.0-0 Qh4 16.Rb1 Rab8; 11...Qc7 12.0-0 a6 13.Qb3 f6 14.f4 f5 15.Ba3 Ba3 16.Qa3 Ra7; 11...Rc8 12.0-0 Be7 13.Ba3 Ba3 14.Ra3 b6 15.Ra6 Qe7 16.Qe2 Qh4) 12.0-0 b5 13.Qh5 b4 14.Ng5 bc3 15.Ndf3 Nce7 16.Ra6 Ra6; B) 11.Ndf3 a5 (11...Qc7 12.Ne2 Be7 13.Ba3 b6 14.Be7 Nce7 15.0-0 0-0 16.Qb3 a5; 11...b6 12.Ne2 Be7 13.Ba3 0-0 14.Be7 Nce7 15.0-0 a5 16.Qc2 Qc7; 11...Be7 12.Ne2 0-0 13.0-0 b5 14.Ba3 b4 15.cb4 Nb4 16.Bg6 fg6) 12.Ne2 Be7 13.Ba3 0-0 14.Bg6 fg6 15.Be7 Qe7 16.0-0 g5; C) 11.Qf3 a6 (11...a5 12.Ne2 b5 13.0-0 b4 14.cb4 Nb4 15.Bb1 Qh4 16.Bb2 Be7; 11...b5 12.Ne2 b4 13.cb4 Nb4 14.Bb1 a5 15.0-0 Qh4 16.Qe3 Bb5; 11...Be7 12.Ne2 a5 13.Ba3 Bg5 14.Qg3 a4 15.Nf3 Be7 16.0-0 0-0) 12.Ne2 b5 13.0-0 Ra7 14.Qg3 Qh4 15.Qh4 Nh4 16.Re1 Be7; D) 11.Ne2 a6 (11...b5 12.0-0 a6 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...f6 12.ef6 gf6 13.Nf3 Rg8 14.0-0 Bd6 15.Ba3 Bc7 16.Re1 a6; 11...Be7 12.Ba3 Ba3 13.Ra3 Qg5 14.0-0 0-0 15.f4 Qh5 16.Qb3 b6) 12.0-0 b5 13.Nf3 Be7 14.Ba3 0-0 15.Be7 Nce7 16.Qd2 Qc7.

    10.Ne2 Qc7 A) 11.Na3 Na5 (11...Nf5 12.0-0 a6 13.Nf4 Nce7 14.Bd2 Rc8 15.Nc2 Ng6 16.Qg4 Nh6; 11...Ng6 12.0-0 Be7 13.Nb5 Qb6 14.Rb1 Qa5 15.Nd6 Bd6 16.ed6 Rb8; 11...Qc8 12.0-0 a6 13.c4 dc4 14.Nc4 Nd5 15.Be4 Ncb4 16.Nd2 Bc6) 12.Nb5 Bb5 13.Bb5 Nec6 14.Qa4 b6 15.Bd3 a6 16.Nf4 b5; B) 11.0-0 a6 (11...Ng6 12.Na3 Be7 13.Nb5 Qb6 14.Rb1 Qa5 15.Nd6 Bd6 16.ed6 Bc8; 11...Nf5 12.Ba3 Nce7 13.Nd2 b5 14.Nb3 f6 15.Nc5 fe5 16.de5 Ng6; 11...Rc8 12.Ba3 Qd8 13.Nd2 b6 14.Ba6 Ra8 15.Bd6 Bc8 16.Bd3 Bb7) 12.Ba3 f6 13.Bd6 Qb6 14.Nd2 fe5 15.de5 Nc8 16.Rb1 Qa7; C) 11.Nf4 Na5 (11...Ng6 12.Ng6 hg6 13.Ba3 Ba3 14.Ra3 g5 15.Nd2 f6 16.Qg4 fe5; 11...Rc8 12.Ba3 Ng6 13.Ng6 hg6 14.Bf8 Rf8 15.Nd2 Rh8 16.0-0 Na5; 11...a6 12.Ba3 Ng6 13.Ng6 hg6 14.Bf8 Rf8 15.Nd2 Rh8 16.0-0 g5) 12.Qc2 b6 13.Na3 a6 14.Bd2 Nec6 15.0-0 h6 16.Rfb1 Be7; D) 11.Ba3 a6 (11...f6 12.Bd6 Qc8 13.Na3 a6 14.c4 Qd8 15.Nf4 f5 16.Nc2 dc4; 11...Qc8 12.Nd2 f6 13.Nf4 Kd8 14.Nf3 Na5 15.Qc2 Nc4 16.Bc4 Qc4; 11...Ng6 12.Bf8 Rf8 13.Na3 Nce7 14.0-0 f6 15.f4 b6 16.c4 a6) 12.Bd6 Qc8 13.Nd2 b5 14.0-0 Ng6 15.Bf8 Nf8 16.Nf4 Ng6.

    10.Ne2 Rc8 A) 11.Nd2 f6 (11...Ng6 12.0-0 Be7 13.Ba3 Ba3 14.Ra3 0-0 15.c4 Qh4 16.f4 Rfd8; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.0-0 f6 15.Nf3 a6 16.ef6 gf6; 11...b6 12.Ba3 a5 13.0-0 Ng6 14.Bf8 Nf8 15.Qb3 a4 16.Qb2 Ra8) 12.ef6 gf6 13.Nf4 Qc7 14.Nh5 Ng8 15.Ng3 Nd4 16.cd4 Qc3; B) 11.Ba3 b6 (11...Ng6 12.Bf8 Nf8 13.0-0 Qh4 14.Na3 a6 15.Qb3 Rb8 16.f4 f6; 11...a6 12.0-0 Ng6 13.Bf8 Nf8 14.Qb3 Qc7 15.Nd2 f6 16.ef6 gf6; 11...Ra8 12.0-0 Qc8 13.Nd2 f6 14.ef6 gf6 15.c4 Qc7 16.Qb3 Bh6) 12.Bd6 Ng6 13.Bf8 Rf8 14.Na3 Na5 15.Nb5 Bb5 16.Bb5 Ke7; C) 11.Na3 Ng6 (11...a6 12.0-0 Qc7 13.Re1 Ng6 14.Bg5 h6 15.Be3 b5 16.Nc2 a5; 11...Nf5 12.Bf5 ef5 13.Qb3 f6 14.Qd5 fe5 15.de5 Qa5 16.Qa5 Na5; 11...Qb6 12.Rb1 Qa5 13.0-0 Nd8 14.Ra1 Ng6 15.Qb3 a6 16.Nc2 Qc7) 12.Qb3 Na5 13.Qb2 Rc6 14.Nc2 b6 15.0-0 Qh4 16.f4 Ne7; D) 11.0-0 a6 (11...Qc7 12.Ba3 f6 13.Bd6 Qb6 14.Nd2 fe5 15.de5 Na5 16.Qc2 Nf5; 11...Ng6 12.Ba3 Be7 13.Be7 Qe7 14.Na3 0-0 15.Nb5 Ra8 16.Bg6 hg6; 11...h6 12.Nd2 Ra8 13.Ba3 b5 14.Bd6 Na5 15.Nf4 Nb7 16.Qg4 g6) 12.Ba3 Ra8 13.Bd6 Ng6 14.Bf8 Nf8 15.Nd2 b5 16.Nb3 Qc8.

    10.Ne2 f6 A) 11.Nf4 f5 (11...Kf7 12.Qh5 Kg8 13.ef6 gf6 14.Qf3 f5 15.g4 Qc8 16.gf5 ef5; 11...Qc8 12.ef6 gf6 13.Qh5 Kd8 14.Qf7 Nb4 15.Qf6 Nd3 16.Nd3 Rg8) 12.Be3 Qc7 13.Na3 Na5 14.Nb5 Bb5 15.Bb5 Kf7 16.Qa4 Nec6; B) 11.f4 a6 (11...Rc8 12.0-0 Qb6 13.Nd2 Ng6 14.ef6 gf6 15.f5 ef5 16.Rb1 Qc7; 11...Ng6 12.0-0 a6 13.ef6 Qf6 14.Qb3 Ra7 15.f5 ef5 16.Qd5 Nge7; 11...Qb6 12.Nd2 Qc7 13.Ba3 Ng6 14.Qc2 Nce7 15.c4 Nf5 16.Bf5 ef5) 12.0-0 Qb6 13.ef6 gf6 14.Ba3 e5 15.fe5 fe5 16.Bc5 Qc7; C) 11.Bf4 fe5 (11...Ng6 12.ef6 Nf4 13.f7 Kf7 14.Nf4 Bd6 15.Qg4 Kg8 16.Nh5 Qe7) 12.de5 g6 13.Nd2 Bg7 14.Nf3 Qc7 15.Qb3 b6 16.0-0 Ne5; D) 11.ef6 gf6 12.Nf4 Qc8 13.Qh5 Kd8 14.Qf7 f5 15.0-0 Rg8 16.Re1 Bh6.

    10.Ne2 Ng6 A) 11.Nd2 f6 (11...a6 12.0-0 b5 13.Nf3 Be7 14.Ba3 0-0 15.Qd2 f5 16.Nf4 Nf4; 11...b5 12.0-0 a6 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...Be7 12.Ba3 Ba3 13.Ra3 Qg5 14.0-0 0-0 15.f4 Qh5 16.Qb3 b6) 12.ef6 gf6 13.Nf3 Rg8 14.0-0 Bd6 15.Ba3 Bc7 16.Re1 a6; B) 11.Qb3 Qc7 (11...b5 12.0-0 a6 13.Ba3 Nge7 14.Nd2 f6 15.f4 f5 16.Bd6 Na5; 11...b6 12.0-0 Be7 13.f4 Na5 14.Qa2 0-0 15.f5 Nh4 16.fe6 Be6; 11...Na5 12.Qa2 b6 13.0-0 Qc7 14.Nd2 a6 15.f4 Qc6 16.Ba3 Ba3) 12.Nd2 f6 13.ef6 gf6 14.Ba3 Bh6 15.Nf3 Rg8 16.0-0 Na5; C) 11.Na3 Rc8 (11...b6 12.Be3 Be7 13.0-0 0-0 14.Nf4 Nf4 15.Bf4 a6 16.Qh5 g6; 11...a6 12.0-0 Be7 13.Nc2 0-0 14.Bg6 fg6 15.Ba3 b5 16.Qd3 Ba3; 11...Be7 12.Qb3 Na5 13.Qa2 0-0 14.Nc2 Nc6 15.0-0 a6 16.f4 b5) 12.Qb3 Na5 13.Qb2 Rc6 14.Nc2 a6 15.0-0 Rb6 16.Nb4 Nc4; D) 11.0-0 Qh4 (11...a6 12.Nd2 b5 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...b5 12.Ba3 Ba3 13.Ra3 a6 14.Nd2 0-0 15.Qc2 f5 16.Rfa1 Qb6; 11...Be7 12.Ba3 0-0 13.Be7 Qe7 14.Nd2 Qg5 15.f4 Qg4 16.Qb3 b6) 12.Nd2 a6 13.Nf3 Qd8 14.Bg5 f6 15.ef6 gf6 16.Be3 Rg8.

    10.Nf3 Qb6 A) 11.Ba3 Ng6 (11...f6 12.0-0 fe5 13.de5 g5 14.Re1 g4 15.Ng5 h5 16.Nh7 Bg7; 11...a6 12.0-0 Ng6 13.Bf8 Nf8 14.Nbd2 Ng6 15.Qc2 Nf4 16.Rfb1 Qa7; 11...Rc8 12.0-0 Ng6 13.Bf8 Nf8 14.Na3 Na5 15.Qc2 Ng6 16.Rfb1 Qc7) 12.Bf8 Nf8 13.Nbd2 Ng6 14.Rb1 Qc7 15.Bg6 hg6 16.c4 g5; B) 11.Ng5 Nf5 12.0-0 Be7 13.Qh5 g6 14.Qg4 Na5 15.Ba3 Nb3 16.Ra2 Bb5; C) 11.0-0 f6 (11...Nf5 12.Bf5 ef5 13.Ba3 Ne7 14.Bc5 Qb5 15.Na3 Qc6 16.Rb1 Nc8; 11...Na5 12.Na3 Nf5 13.Re1 Qb3 14.Qd2 Rc8 15.Nb1 Qb6 16.Qa2 Nc6; 11...Ng6 12.Ng5 Be7 13.Qg4 Nge5 14.de5 Ne5 15.Qf4 Nd3 16.Qf7 Kd8 17.Be3) 12.Ba3 fe5 13.de5 g5 14.Re1 g4 15.Ng5 h5 16.Nh7 Bg7; D) 11.Na3 Rc8 (11...Nf5 12.0-0 Na5 13.Re1 Qb3 14.Qd2 Rc8 15.Nb1 Qb6 16.Qa2 Nc6; 11...Ng6 12.0-0 Be7 13.Rb1 Qc7 14.Nb5 Qa5 15.Nd6 Bd6 16.ed6 Bc8; 11...Na5 12.0-0 Nf5 13.Re1 Qb3 14.Qd2 Rc8 15.Nb1 Nc4 16.Bc4 Rc4) 12.0-0 Nf5 13.Rb1 Qa5 14.Rb5 Qc7 15.Bf5 a6 16.Be6 Be6.

    10.Nf3 Qc7 A) 11.0-0 Na5 (11...a6 12.Ba3 Ng6 13.Bf8 Rf8 14.Na3 Na5 15.Ng5 Nf4 16.Nh7 Rh8; 11...Nf5 12.Ba3 Nce7 13.Bc1 Nc8 14.Qb3 Qb6 15.Nbd2 Qb3 16.Nb3 Be7; 11...Ng6 12.Na3 Be7 13.Nb5 Qb6 14.Rb1 Qa5 15.Nd6 Bd6 16.ed6 Bc8) 12.Qc2 b5 13.Bg5 h6 14.Bf4 Nc4 15.Nbd2 a5 16.Rfb1 a4; B) 11.Ng5 Nf5 (11...g6 12.0-0 Nf5 13.Nf3 h6 14.Ba3 Bg7 15.Nbd2 Rc8 16.Bf5 gf5; 11...Ng6 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 a5 16.Rfb1 Rfc8) 12.g4 Nh4 13.Nh7 Be7 14.Rg1 Ne5 15.de5 Qe5 16.Kf1 Qh2; C) 11.Qc2 f6 (11...Ng6 12.Bg5 Be7 13.Be7 Nce7 14.0-0 0-0 15.Nbd2 Rfc8 16.Rfc1 Bc6; 11...a6 12.Ba3 Ng6 13.Bf8 Rf8 14.0-0 Nce7 15.Nbd2 f6 16.Rfe1 b5; 11...h6 12.Na3 Na5 13.0-0 a6 14.Bf4 b5 15.Rfb1 Rc8 16.Rc1 Nec6) 12.ef6 gf6 13.Na3 Kd8 14.0-0 Ng6 15.Be3 Nf4 16.Rfb1 Nd3; D) 11.Ba3 Ng6 (11...Qb6 12.0-0 f6 13.Nbd2 fe5 14.de5 Nf5 15.Bf5 Ba3 16.Bh7 Rh7; 11...f6 12.Bd6 Qb6 13.Nbd2 fe5 14.Ne5 Ne5 15.Be5 Rc8 16.Rb1 Qa5; 11...Nf5 12.Bf8 Rf8 13.0-0 f6 14.Bf5 ef5 15.Re1 Be6 16.c4 fe5) 12.Bf8 Rf8 13.0-0 f6 14.Re1 Nce7 15.Qb3 a5 16.Na3 Nf4.

    10.Nf3 Rc8 A) 11.0-0 Ng6 (11...a6 12.Ng5 g6 13.Qf3 Nf5 14.Bf5 ef5 15.Qd5 Be6 16.Qf3 Bd5; 11...h6 12.Ba3 b6 13.Bd6 Ra8 14.Nbd2 a5 15.Re1 Na7 16.Qe2 Nac8; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Na3 Na5 15.Nb5 Bb5 16.Bb5 Nd7) 12.Ba3 Ba3 13.Na3 a6 14.Qd2 Nh4 15.Nh4 Qh4 16.Rfb1 Rc7; B) 11.Na3 a6 (11...Qa5 12.Bd2 Qb6 13.Rb1 Qa5 14.Nb5 Ng6 15.Ra1 Qb6 16.Qb1 Nb4; 11...Qb6 12.0-0 Nf5 13.Rb1 Qa5 14.Rb5 Qc7 15.Bf5 a6 16.Be6 Be6; 11...Nf5 12.0-0 Be7 13.Bf5 ef5 14.Qb3 Na5 15.Qd5 Bc6 16.Qd8 Rd8) 12.0-0 Qc7 13.Bd2 Nf5 14.Re1 Be7 15.Bg5 0-0 16.Qd2 Rfe8; C) 11.Qb3 Na5 (11...b6 12.0-0 Ng6 13.Be3 Be7 14.Rc1 Na5 15.Qb2 0-0 16.Nbd2 Bc6; 11...Qc7 12.Ba3 Ng6 13.Bf8 Rf8 14.0-0 Nf4 15.Qc2 Rh8 16.Qd2 Nd3; 11...Rb8 12.Ba3 Ra8 13.0-0 Na5 14.Qb2 b6 15.Nbd2 f6 16.Qc2 Nac6) 12.Qb2 Nec6 13.Nbd2 Qc7 14.0-0 Ne7 15.Be2 a6 16.Qa2 Nec6; D) 11.Ba3 a6 (11...b6 12.0-0 Ng6 13.Ba6 Rb8 14.Bf8 Rf8 15.Bd3 Rc8 16.Na3 Na5; 11...Qb6 12.0-0 f6 13.Nbd2 fe5 14.de5 Nf5 15.Bf5 Ba3 16.Bh7 Rh7; 11...Ra8 12.0-0 a6 13.Nbd2 b5 14.Bd6 Ng6 15.Bf8 Rf8 16.Nb3 Qc8) 12.0-0 Ng6 13.Bf8 Nf8 14.Qb3 Qc7 15.Rc1 Ng6 16.Nbd2 Nf4.

    10.Nf3 Ng6 A) 11.Na3 Be7 (11...a6 12.0-0 Be7 13.Nc2 0-0 14.Bg6 fg6 15.Ba3 Ba3 16.Ra3 Na5; 11...b6 12.Ng5 Qc8 13.0-0 Be7 14.Qh5 Nd8 15.Bd2 Bg5 16.Qg5 Nc6; 11...Qb6 12.0-0 Be7 13.Rb1 Qc7 14.Nb5 Qa5 15.Rb3 a6 16.Nd6 Bd6) 12.0-0 a6 13.Rb1 b5 14.Nc2 Qc7 15.Bg6 hg6 16.Ba3 Ba3; B) 11.0-0 Be7 (11...a6 12.Bg5 f6 13.Be3 fe5 14.Bg6 hg6 15.de5 Qc7 16.Qc2 Ne5; 11...b5 12.Ng5 Be7 13.Qh5 Bg5 14.Bg5 Nce7 15.Bg6 fg6 16.Qh4 a5; 11...Rc8 12.Be3 Be7 13.Qb3 Qc7 14.Nbd2 f6 15.ef6 gf6 16.Rfb1 b6) 12.Qb3 Qc7 13.Na3 0-0 14.Nb5 Qb6 15.Rb1 a6 16.Nd6 Qb3; C) 11.Ba3 Ba3 (11...Be7 12.Be7 Qe7 13.Bg6 hg6 14.Na3 Na5 15.Nd2 b6 16.Qf3 g5; 11...Qa5 12.Qd2 Rc8 13.0-0 Be7 14.Rc1 Qb6 15.Be7 Nge7 16.Na3 a6; 11...Nf4 12.Bf8 Rf8 13.0-0 f6 14.Bh7 fe5 15.de5 Qc7 16.g3 Rh8) 12.Na3 Nf4 13.0-0 0-0 14.Qd2 Nd3 15.Qd3 f6 16.Rfe1 a5; D) 11.Ng5 Rc8 (11...Qc7 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 Rfc8 16.Bg6 hg6; 11...Nh4 12.Qh5 Ng2 13.Kf1 g6 14.Qf3 Qe7 15.Qg2 Bg7 16.Ke1 Nb4; 11...Qc8 12.Qf3 Nge5 13.de5 Ne5 14.Qe2 Nd3 15.Qd3 Qc4 16.Qg3 h6) 12.0-0 Qb6 13.Qf3 Nd8 14.Ba3 Ba3 15.Ra3 0-0 16.Qh5 h6.

    10.Nh3 a6 A) 11.0-0 b5 (11...Ng6 12.Ng5 Qb6 13.Qh5 Nd8 14.Ra2 Bb5 15.Rb2 Qc6 16.Rb5 ab5; 11...Ra7 12.Ba3 b5 13.Bc5 Ra8 14.Nd2 Ng6 15.Bf8 Nf8 16.Nb3 Qc8; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Ng5 Ng6 15.Qf3 0-0 16.Nd2 h6) 12.Qf3 h6 13.Nd2 b4 14.Bb2 a5 15.Rfc1 a4 16.cb4 Nb4; B) 11.Qf3 Qc8 (11...h6 12.0-0 b5 13.Nd2 b4 14.Bb2 a5 15.Rfc1 a4 16.cb4 Nb4; 11...Bc8 12.0-0 h6 13.Nd2 b6 14.Ba3 a5 15.Bb5 Bd7 16.Rfb1 Nc8; 11...Ng8 12.Ng5 f5 13.ef6 Qf6 14.Qe2 g6 15.Nf3 Bd6 16.Bg5 Qf7) 12.0-0 h6 13.Ba3 Na7 14.Nf4 Bb5 15.Bc5 Nf5 16.Bf5 Bc5; C) 11.Nd2 Ng6 (11...b5 12.0-0 Ng6 13.Qh5 b4 14.Ng5 bc3 15.Ndf3 Nce7 16.Ra6 Ra6; 11...Na7 12.Qh5 Qc7 13.Nb1 Bb5 14.Ng5 g6 15.Qf3 Nec6 16.Qf6 Rg8; 11...Qc7 12.Ba3 Na7 13.c4 dc4 14.Nc4 Nb5 15.Bc5 Nd5 16.Bf8 Kf8) 12.Qh5 Qc7 13.Rb1 Nce7 14.Rb3 Ba4 15.Ra3 Qc6 16.Bb2 Bb5; D) 11.Ng5 Nf5 12.0-0 Be7 13.Nh3 Na7 14.Bf5 ef5 15.Ba3 Bh4 16.Nf4 Be6.

    10.Nh3 Qc7 A) 11.Ba3 Rc8 (11...a6 12.Bd6 Qd8 13.0-0 Ng6 14.Bf8 Nf8 15.Qh5 Qe7 16.Nd2 Ra7; 11...Ng6 12.Bf8 Nf8 13.Qf3 Ng6 14.Bg6 hg6 15.Nd2 Rh5 16.0-0 b6; 11...Qb6 12.0-0 Ng6 13.Bf8 Nf8 14.Ng5 Qd8 15.Qh5 Qe7 16.Nd2 a5) 12.Bd6 Qd8 13.0-0 Ng6 14.Bf8 Nf8 15.Qg4 Ng6 16.Ng5 Nce5; B) 11.Ng5 Nf5 (11...g6 12.0-0 Nf5 13.Nf3 Be7 14.Ba3 0-0 15.Bf5 ef5 16.Qb3 Be6; 11...Ng6 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 a5 16.Rfb1 Rfc8) 12.g4 Nh4 13.Nh7 Be7 14.Rg1 Ne5 15.de5 Qe5 16.Kf1 Qh2; C) 11.Nd2 b5 (11...Ng6 12.0-0 Be7 13.Ba3 b5 14.Qh5 b4 15.Bb4 Nb4 16.cb4 Qc3; 11...Ne5 12.de5 Qc3 13.Ra3 Qe5 14.Be2 Nf5 15.Nf3 Qe4 16.Nhg5 Qb4; 11...Na5 12.Qc2 f6 13.ef6 gf6 14.Nf4 Qf4 15.Ra5 Qc7 16.Nb3 Rg8) 12.Ba3 b4 13.Bb4 Nb4 14.cb4 Qc3 15.Ba6 Qb4 16.Ng1 Qd4; D) 11.0-0 Rc8 (11...Na5 12.Ng5 Nf5 13.Bf4 h6 14.Nf7 Kf7 15.Bf5 Bb5 16.Re1 Nc4; 11...Nf5 12.Nd2 Nce7 13.Qb3 a5 14.Ba3 Rc8 15.Rfc1 f6 16.Nf3 a4; 11...Ng6 12.Ng5 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 a5 16.Rfb1 Rfc8) 12.Qf3 h6 13.Ba3 Qa5 14.Rd1 b5 15.Bb2 Qb6 16.Nd2 b4.

    10.Nh3 Rc8 A) 11.Nd2 b6 (11...Ng6 12.0-0 Be7 13.Ba3 Ba3 14.Ra3 Rc7 15.Qe2 Qh4 16.Rfa1 0-0; 11...Na5 12.Nb3 Nb3 13.Qb3 a5 14.Bd2 Qc7 15.Ng5 a4 16.Qd1 Nf5; 11...Qb6 12.Ba3 Ng6 13.Bf8 Nf8 14.Ra3 Ng6 15.0-0 0-0 16.Qa1 Qd8) 12.0-0 Ng6 13.Ba3 Ba3 14.Ra3 Qe7 15.Ra6 Qh4 16.Nf3 Qg4; B) 11.Nf4 a6 (11...Qc7 12.Ba3 Ng6 13.Ng6 hg6 14.Bf8 Kf8 15.Nd2 Kg8 16.Qf3 Na5; 11...Qb6 12.0-0 Ng6 13.Ng6 hg6 14.Ba3 Ba3 15.Ra3 Qd8 16.Nd2 Qg5; 11...Ng6 12.Ng6 hg6 13.Nd2 Na5 14.Nb1 Qb6 15.Ba3 Ba3 16.Ra3 Bb5) 12.0-0 Ng6 13.Qh5 Qh4 14.Qh4 Nh4 15.Nh5 Na7 16.Bg5 Nf5; C) 11.0-0 Ng6 (11...Qc7 12.Qf3 h6 13.Ba3 Qa5 14.Nf4 b5 15.Ne2 b4 16.cb4 Nb4; 11...a6 12.Ng5 g6 13.Qf3 Nf5 14.Bf5 ef5 15.Qd5 Be6 16.Qf3 Bd5; 11...Qb6 12.Qf3 h6 13.Ba3 Ra8 14.Nd2 Qd8 15.Rfb1 Qc8 16.Nb3 b6) 12.Bg5 Qb6 13.Nd2 Na5 14.Qc2 Bb4 15.Nb1 Nf8 16.Rc1 h6; D) 11.Ng5 Nf5 12.g4 Nh4 13.Nh7 Be7 14.g5 g6 15.Nf6 Bf6 16.gf6 Qc7.

    10.Nh3 Ng6 A) 11.Bg5 Be7 (11...Qc7 12.0-0 a6 13.Nd2 Ra7 14.Qg4 b5 15.Qh5 Nce7 16.Rfc1 h6; 11...Qb6 12.0-0 Rc8 13.Nd2 Na5 14.Qc2 Bb4 15.Nb1 Nf8 16.Rc1 h6; 11...Qc8 12.0-0 a5 13.Nd2 a4 14.Ra2 Nce7 15.Qc2 Nf5 16.Rb1 h6) 12.Be7 Qe7 13.Nd2 Qh4 14.Nf3 Qg4 15.0-0 0-0 16.Qb3 b6; B) 11.0-0 Qc7 (11...Be7 12.Ba3 b6 13.Be7 Qe7 14.Nd2 Qh4 15.Nf3 Qg4 16.Ba6 Na5; 11...b6 12.Ng5 Na5 13.Qf3 Qe7 14.Qh5 Nb3 15.Ba3 Qd8 16.Ra2 Ba3; 11...a5 12.Bg5 Qc8 13.Nd2 a4 14.Qc2 b5 15.Rfc1 Nce7 16.Rcb1 Nf5) 12.Ba3 Be7 13.Be7 Nce7 14.Qh5 0-0 15.Rc1 b5 16.Ra6 f6; C) 11.Nd2 a6 (11...Qc7 12.0-0 Be7 13.Ba3 0-0 14.Qh5 a5 15.Be7 Nce7 16.c4 b5; 11...Be7 12.Ba3 Ba3 13.Ra3 Qc7 14.0-0 a5 15.Qh5 b5 16.Rb1 Rb8; 11...a5 12.0-0 Qc7 13.Ba3 Ba3 14.Ra3 0-0 15.Qh5 a4 16.Nf3 Nce7) 12.Qh5 Qc7 13.Rb1 Nce7 14.Rb3 Ba4 15.Ra3 Qc6 16.Bb2 Bb5; D) 11.Ng5 Be7 (11...Qc7 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 Rfc8 16.Be3 a5; 11...Rc8 12.0-0 Qb6 13.Qf3 Nd8 14.Ba3 Ba3 15.Ra3 0-0 16.Qg4 Nc6; 11...Nh4 12.Qh5 Ng2 13.Kf1 g6 14.Qf3 Qe7 15.Qg2 Bg7 16.Ke1 Nb4) 12.Qh5 Bg5 13.Bg5 Qc7 14.0-0 0-0 15.Nd2 Rfc8 16.Be3 a6.

    10.Ra2 g6

    11.Nd2 b5 (11...Bh6 12.Ndf3 Bg7 13.Ne2 0-0 14.0-0 a6 15.Bg5 Qc7 16.Qd2 Nf5; 11...Nf5 12.Ngf3 f6 13.ef6 Qf6 14.Qb3 b6 15.Ba6 Nd6 16.Ba3 Kf7; 11...Bg7 12.Ngf3 0-0 13.0-0 f6 14.ef6 Bf6 15.Re1 Qc7 16.Qe2 Nf5) 12.Ngf3 b4 13.c4 a5 14.0-0 Bg7 15.Nb3 0-0 16.Nc5 f6.

    11.Ne2 Bg7 (11...Nf5 12.0-0 Rc8 13.Nd2 Bg7 14.Qb3 Rc7 15.Ba3 b6 16.Bf5 Na5; 11...Qc7 12.0-0 Nf5 13.Na3 Be7 14.Ng3 Qb6 15.Nf5 gf5 16.Be3 Rg8; 11...h6 12.0-0 Nf5 13.Nd2 Qc7 14.Ba3 Ba3 15.Ra3 f6 16.ef6 0-0) 12.Qb3 b6 13.Bg5 h6 14.Bh4 0-0 15.Nd2 Qc7 16.0-0 Nf5.

    11.Nf3 Bg7 (11...Qc7 12.Ba3 Bh6 13.0-0 0-0 14.Bd6 Qc8 15.Nbd2 Bf4 16.c4 f6) 12.Qb3 b6 13.Bg5 h6 14.Bh4 0-0 15.0-0 a5 16.Ra4 Qc7.

    11.Bg5 Bg7 (11...Qc7 12.Bf6 Rg8 13.Nf3 Nf5 14.Nbd2 b6 15.0-0 h6 16.Re1 g5; 11...h6 12.Bf6 Rh7 13.Nf3 Qc7 14.0-0 a6 15.Nbd2 Ng8 16.Bh4 Rg7; 11...Rg8 12.Nf3 Bg7 13.Qb3 b6 14.0-0 h6 15.Be3 Nf5 16.Nbd2 f6) 12.Nf3 h6 13.Be3 Nf5 14.0-0 f6 15.Re1 fe5 16.Ne5 Ne5.

    11.Nh3 Bg7 (11...h6 12.0-0 Bg7 13.Nf4 Qc7 14.Na3 Na5 15.Qc2 a6 16.Nb1 Nc4; 11...Nf5 12.Bg5 Be7 13.Be7 Qe7 14.Qb3 b6 15.Nd2 0-0 16.Bf5 gf5; 11...Rc8 12.Bg5 Bg7 13.Qf3 0-0 14.0-0 Ra8 15.Qf4 Qc7 16.Bh6 Nf5) 12.0-0 (12.Qf3 0-0 13.Bg5 h6 14.Bf6 Bf6 15.Qf6 Nf5 16.Qd8 Rfd8) 12...0-0 13.g4 (13.Re1 a5 14.Bg5 h6 15.Bf4 b5 16.Qd2 Kh7) 13...f5 (13...f6 14.ef6 Rf6 15.Bf4 Rf7 16.Re1 a6) 14.g5 (14.Ba3 fg4 15.Qg4 Re8 16.Nd2 Nf5) 14...a6 (14...b5 15.Be3 a5 16.Nf4 b4) 15.Na3 (15.Qf3 b5 16.Ba3 Qa5) 15...b5 (15...Qa5 16.Bd2 Qc7) 16.Nc2 (16.Be3 Qc7) 16...Qc7 (16...Na5) 17.Ba3 Rfe8 18.Bd6 Qb7 19.Nf4 Kf7 20.Be2 Rh8 21.Nd3 Rhd8 22.Qd2 Nc8 23.Ba3 Bf8 24.Nc5 Bc5 25.Bc5 Nb6 26.Rb1 Ne7 27.Qf4 Rh8 28.Ne3 Ng8 29.Ng4 Bc6 30.h4 Nd7 31.Bb4 Re8 32.h5 Qc8 (32...gh5 33.Nf6 (33.Nf6)) 33.Ne3 Ne7 34.h6 Bb7 35.Bf3 Nb6 36.Nd1 Nc4 37.Nb2 Nb2 38.Rbb2 Qc6 39.Rc2 Nc8 40.c4 bc4 41.Ra5 Na7 42.Bc5 Qc7 43.Qd2 (43.Raa2 Nb5) 43...Nb5 (43...Nc6 44.Ra1 Ne5 45.de5 Qc5 46.Rb1) 44.Rca2 Ra8 45.Bd1 Rhc8 46.f4 Qc6 47.Qb4 Qd7 48.Ra1 Qc6 49.R5a2 (49.R1a2 Kg8) 49...Qd7 50.Qa5 (50.Ra5 Kg8) 50...Qc6 51.Ba4 (51.Qb4 Kg8) 51...Qd7 52.Rb2 (52.Bd1 Kg8) 52...c3 (52...Bc6) 53.Qc3 Nc3 54.Bd7 Rc7 55.Ba4 Na4 56.Ra4 Bc6 57.Ra1 Rb7 58.Bb6 (58.Rb7 Bb7 59.Rb1) 58...Ke8 59.Kf2 ½–½. Zala,Gyula (2000) – Johansen,Arild (2075), FSFMA Oct Budapest HUN, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6 8.e5 Bd7)

    10.Ra2 Ng6

    11.Ne2 Be7 (11...f6 12.Nf4 Nf4 13.Bf4 Qc7 14.Qh5 Kd8 15.Bg3 Be8 16.Qg4 Qf7; 11...Qc7 12.Nd2 f6 13.Qc2 Nge7 14.f4 a5 15.Ba3 fe5 16.fe5 Nf5; 11...Rc8 12.Nd2 f6 13.ef6 gf6 14.Qb3 Qc7 15.Nf3 Bd6 16.0-0 Na5) 12.Ba3 0-0 13.Qb3 b6 14.Bg6 fg6 15.Be7 Qe7 16.Nd2 Qh4.

    11.Nf3 Be7 (11...Rc8 12.0-0 Be7 13.Be3 0-0 14.Nbd2 Qc7 15.Qc2 Ra8 16.Rb1 a6; 11...Qc7 12.0-0 Be7 13.Bg6 hg6 14.Ba3 a6 15.Nbd2 g5 16.h3 g4; 11...a6 12.0-0 Be7 13.Ba3 Nf4 14.Bc2 f6 15.Be7 Qe7 16.g3 Ng6) 12.0-0 0-0 13.Qb3 Na5 14.Qc2 Nc4 15.Na3 Nb6 16.Re1 Qc7.

    11.g3 Be7 (11...Qc7 12.h4-/+) 12.Nf3 (12.h4 Nf8=+) 12...0-0 13.h4 f5 (13...h6 14.Nbd2-/+) 14.Ng5 (14.ef6!? gf6 15.h5=+) 14...h6-/+ 15.Nh3 Be8 (15...b5 16.h5 Nh8 17.g4=+) 16.h5=+ Nh8 17.Nf4 Qd7 (17...Bf7 18.g4 Qd7 19.Ba3=+) 18.g4 Bg5 (18...Bf7 19.Ba3=) 19.gf5= ef5 20.Qf3 Bf7 21.Re2 Be6 22.Qg2 (better 22.Ne6 Qe6 23.Bg5 hg5 24.Kd1=) 22...Ne7?? (better 22...Bf4 23.Bf4 Kh7=+) 23.Ne6+- Qe6 24.f4 (24.Bg5?! hg5 25.Qg5 Nf7+-) 24...Nf7 (better 24...Bf4 25.Bf4 Rf7+-) 25.fg5 Ng5 (25...hg5 26.Bg5 Ng5 27.Qg5+-) 26.Bg5 hg5 27.Qg5 f4 (27...Qh6 28.Rg2 (28.Qe7?! Qc1 29.Kf2 Qh1+-) 28...Qg5 29.Rg5+-) 28.h6 g6 29.Rf2 f3 30.Rg1 Kh7 31.Rg3 1–0. Zala,Gyula (2020) – Gruz,Janos (1950), First Saturday Szeptember FM, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6 8.e5 Bd7 9.Bd3 Nge7)

    11.Nh3 Be7 (11...Qc7 12.0-0 Be7 13.Bg5 0-0 14.Qh5 Rfc8 15.Nd2 a5 16.Be7 Nce7; 11...Rc8 12.0-0 Be7 13.Ba3 0-0 14.Qh5 a5 15.Nf4 b5 16.Ng6 fg6; 11...a5 12.Bg5 Qc7 13.0-0 h6 14.Bd2 Nce7 15.Na3 Nf5 16.Nb5 Qc6) 12.Ba3 0-0 13.Be7 Nce7 14.Qh5 a5 15.0-0 Qc7 16.Ra3 b5.

    11.Qh5 Qh4 (11...Rc8 12.Ne2 Qh4 13.Qh4 Nh4 14.0-0 Be7 15.Nd2 0-0 16.Ba3 Ba3; 11...Qc7 12.Ne2 Be7 13.Ba3 0-0 14.Be7 Nce7 15.Nd2 a6 16.0-0 b5; 11...a5 12.Nf3 Qc7 13.0-0 Nce7 14.Bg5 h6 15.Bd2 Bc6 16.Na3 Qd7) 12.Qf3 a5 13.Ne2 a4 14.Na3 Qd8 15.0-0 Be7 16.Bd2 0-0.

    7.ed5 Qd5

    8.Na3 Qa5 9.Bb2 e6 10.Nf3 Nf6 11.Bd3 Be7 12.0-0 Qb6 13.Bc1 0-0 14.Qe2 Rd8 15.Bg5 h6 16.Bf6 Bf6 17.Qe4 Qc7 18.Qh7 Kf8 19.Rfe1 a6 20.Nc4 Ne7 21.Nce5 b6 (better 21...Nd5!? 22.c4 Nf4=) 22.Qh8 Ng8 23.Bg6 (23.Bh7 Ke7 24.Be4 Bb7 25.Bb7 Qb7=) 23...fg6 24.Ng6 Kf7 25.Nfe5 Be5 26.Ne5 Kf6 27.Qh7 Ra7 (27...Qc3 28.Qg6 Ke7 29.Rec1 Qc1 30.Rc1 Kd6 31.Nc4 Kc7 32.Qf7 Rd7 33.Na5 Kb8 34.Qf4 e5 35.Qe5 Ka7 36.Rc7 Rc7 37.Qc7 Bb7 38.Qb7) 28.Rad1 Ne7 29.Rd3 Nd5?? Attacking the backward pawn on c3 (better 29...Nf5=) 30.Rf3+- Ke7 31.Qg7 Kd6 32.Nf7 Qf7 33.Rf7 Rf7 34.Qf7 b5 35.f4 Kc6 36.Re5 Rd6 37.Qa7 Bb7 38.Rh5 Kc7 (38...e5 39.de5 Rg6 40.f5+-) 39.Rh6 Nb6 40.Rh7 (better 40.f5 Rd7+-) 40...Rd7 41.Rd7 Nd7 42.h4 Nb6 43.h5 Nc8 44.Qc5 Kd7 45.h6 Be4 46.g4 Bg6 (46...Bh7 47.Qa3 Nd6 48.Qa6+-) 47.f5 ef5 48.gf5 Bh7 49.f6 Ke6 50.Qe5 Kf7 51.Qc7 Kf6 52.Qh7 Nd6 53.Qg7 Ke6 54.h7 (54.h7 Nf5 55.Qe5 Kd7 56.h8Q Ne7 57.Qhb8 b4 58.Qed6) 1–0. juliangon (2590) – David Lonsdale (2430), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Na3 Qa5 9.Bb2 Nf6 10.Nb5 Qb6 11.Qb3 Rb8 (11...Nd7 12.c4 a6 13.c5+=) 12.Nf3 Bg4 13.c4 (13.Nd2 Na5 14.Qa2 a6=) 13...e6 14.c5 Qd8 15.Na7 Be7 16.Ne5 0-0 17.Qc4 Na7 18.Ra7 (worse 18.Ng4 Nc6 (18...Ng4?! 19.Ra7 b5 20.Qe2=) 19.Ne3 b6-/+) 18...Bf5 19.Be2 Nd5 20.0-0 Nf4 21.Re1 f6 22.Nf3 Qc7 (22...b6 23.Bc1 Nd5 24.Nh4+-) 23.Bf1 b5 (23...Ra8 24.Ra8 Ra8 25.Nh4+-) 24.Qa2 (24.Rc7 bc4 25.Bc1 Nd5+-) 24...Rb7 25.Ra6 (25.Rb7 Qb7 26.Qb3 Bg4+-) 25...Bg4+= 26.Bc1 Nd5 27.Bd2 Qd8 (27...Qc8!?+=) 28.h3+- (28.Ree6?! Be6 29.Re6 Kh8+-) 28...Bh5 (28...Bf3 29.Rae6 Rf7 30.gf3 Kf8+-) 29.Ba5+- (29.Ree6?! Bf7 30.Bd3 Nc7+-) 29...Nc7 30.Bb5! Rb5 (30...Rb5 31.Bc7 Combination; 30...Nb5 31.Rb6 Double attack (31.Bd8 Pinning; 31.Bd8 Deflection; 31.Rb6 Decoy)) 31.Bc7 Qc7 32.Qe6 Bf7 33.Qe7 Rb7 34.Qc7 Rc7 35.Rd6 1–0. juliangon (2670) – marekt (2520), ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Na3 Qa5 9.Nc2 Qc3-+ 10.Bd2 Qb3 11.Rb1 Qd5 12.Nf3 Nf6 13.Ne3 Qe4 14.Bb5 a6 15.Bc6 Qc6 16.Rc1 Qd6 17.0-0 Be6 18.Re1 h6 19.Qc2 Bd5 20.Nd5 Nd5 21.Qb3 e6 22.Qb7= Rb8 23.Rc8 Rc8 24.Qc8 Qd8 25.Qa6 Bd6 26.Ba5 Qb8 27.Qc6 Kf8 28.Ne5 Kg8 29.h3 Be5 30.de5 Kh7 31.Qc2 g6 32.Bd2 Rc8 33.Qe4 Qb2 34.Be3 Qb4 35.Qb4 Nb4 36.f4 Rc2 37.g3 Nd5 38.Kf1 Kg7 39.Re2 Re2 ½–½. Ott,Peter (2280) – Molzahn,Norbert (2305), BdF MS–026 remoteschach.de, 2006.

    8.Na3 Qa5 9.Bd2 Nf6 10.Nf3 Bg4 11.Be2 e6 12.Qb1 Qc7 13.Bf4 Qc8 14.0-0 Be7 15.Qb3 0-0 16.Nc4 Rd8 17.Ne3 Bh5 18.Rfe1 Bg6 19.Nh4 Be4 20.Nf3 a6 21.Nd2 b5 22.Ne4 Ne4 23.Qc2 Nc3 24.Qc3 Bb4 25.Qb2 Be1 26.d5 Bf2!-+ 27.Kf2 ed5 28.Bf3 Ne7 29.Be5 f6 30.Bf6 gf6 31.Qf6 Ra7 32.Ng4 h6! 33.Nh6 Kh7 34.Nf7 Rf8 35.Qh4 Kg8 36.Nh6= ½–½. Warzecha,Helmut (2265) – Scheidel,Marius (2320), RSS7E high–26, 2006.

    8.Na3 a6 9.Nb5 Qd8 10.Bf4 e5 11.de5 Be6 12.Qd8 Rd8 13.Nc7 Ke7 14.Ne6 Ke6 15.Bc4 Kf5 16.Bg3 Ne5 17.Be5 Ke5 18.Bf7 ½–½. Burchard,Ingar – Lunde,Sigmund (1860), Xtracon Chess Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Na3 Bd7 9.Nf3 Rc8 10.Bc4 Qe4 11.Be3 e6 12.0-0 Ba3 13.Ra3 Nge7 14.Bd3 Qg4 15.Qb1 b6 16.c4 Nf5 17.d5+= Nfd4 18.Bd4+- Nd4 19.Ne5 Ne2?? 20.Be2 Qe2 21.Nd7 Rc7 22.de6 fe6 23.Qb5 Ke7 24.Re3 Qc4 25.Qg5 (25.Qg5 Kd7 26.Qg7 Kc8 27.Qh8 Kb7 28.Qf6+-) 1–0. Kochetkova,Julia (2320) – Rybenko,Kseniya (2235), 8. ch–Euro women, 2007.

    8.Na3 e6 9.Nb5= Bd6 10.Qg4+/- Nce7 11.Qg7 Ng6 12.Bd3 Be5? 13.Nc7!+- Bc7 14.Bg6 fg6 15.Qh8 e5 16.Qh7 Bf5? 17.Qc7 Qg2 18.Ra5 Qe4 19.Ne2 Qh1 20.Kd2 Qc6 21.Re5 Be6 22.Qc6 (22.Qc6 bc6 23.Re6 Kd7 24.Rg6+-) 1–0. Zajarni,A (2405) – Morchat,Miroslaw (2225), Polanica Zdroj op (4), 1997.

    8.Na3 Bf5 9.Nb5 Rc8 10.Na7 Na7 11.Ra7 e5 12.Nf3 ed4 13.Nd4 Bd7 14.Nb5 (14.Qe2 Kd8 15.Be3 Rc3+=) 14...Qd1 15.Kd1 Bc6 16.Bd3 (16.Be3!?+=) 16...Bc5 (worse 16...Bg2 17.Re1 Kd8 18.Bf5+-) 17.Re1 Ne7 18.Ba3 Ba3 19.Ra3 Rd8 20.Nd4 Kd7 21.Ra7 Rhe8 22.Kc2 (22.Bc4 Nd5 23.Re8 Ke8+=) 22...Kc7 23.Rb1 Rb8 (23...Bd5 A) worse 24.Bh7 g6-/+ (24...Bg2 25.f3+-); B) 24.f3+=) 24.f3 (24.Bh7 g6 (24...Bg2?! 25.Rg1 Rh8 26.Rg2 Rh7 27.f3=) 25.f3 Rh8-+) 24...Nd5 (24...h6!?+=) 25.Nc6+- Kc6 26.Bb5 Kb6 27.Rb7 (27.Rb7 Kb7 28.Be8 Kc7 29.Rb8 Kb8 30.g3+-) 1–0. Carlsen,Magnus (2835) – Inarkiev,E (2685), World Blitz, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Na3 Bf5 9.Nc4 Rd8 10.Ne3 Qd7 11.Nf3 (better 11.d5!? Nb8 12.Qa4 Qa4 13.Ra4+-) 11...a6 12.Ba3 (12.Nf5 Qf5 13.Bd3 Qc8=) 12...e6 13.Bf8 Kf8 14.Be2 Nf6 15.0-0 Nd5 16.Qc1 (worse 16.Nf5 Nc3 (worse 16...ef5 17.Qd2+=) 17.Qc2 Ne2 18.Qe2 ef5-/+) 16...Nf4 17.Qa3 Qe7 18.Qb2 Be4 19.Rfe1 (19.Rfd1 Kg8=+) 19...Bd3 (better 19...Bf3!? 20.Bf3 Nd3-/+) 20.Bf1= Bf1 21.Rf1 (21.Kf1? Nd3 22.Qb6 Ne1 23.Ne1 Rc8-+) 21...f6 22.Rfb1 Rd7 23.g3 Ng6 24.Re1 Qd8 25.h4 h5 (25...Kf7 26.h5 Nge7 27.h6=+) 26.c4 Kf7 27.d5 (27.c5 Nge7=) 27...ed5 28.cd5 Nce5 29.Ne5 Ne5 30.Red1 g6 31.Ra4 Re8 32.Kg2 Kg7 33.Rf4 Qe7 (33...b5 34.Rfd4-/+) 34.Qb6 Rd6 35.Qb4 Rc8 (35...b5 36.Re4 Qd7 37.Rd2-/+) 36.Re4=+ Qd7 37.Qb2 (37.f4 Nf7=) 37...b5-/+ 38.Qe2 (38.Re5 fe5 39.f4 Qe7 40.fe5 Rdd8-/+) 38...a5 39.f4 Nf7 40.f5 Re8 (better 40...Ne5!?=+) 41.Re8+= Qe8 42.fg6 Qe4 Attacking the isolated pawn on d5 43.Kh2 (better 43.Kf2 Kg6 44.Qb5=) 43...Kg6-+ 44.Rf1 Ne5 (better 44...Rd5 45.Rf4 Qe6-+) 45.Rf4 ½–½. Linusson,L (1960) – Cramling Bellon,Anna (2150), Tylosand SWE (2), 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Na3 Bf5 9.Nf3 Rc8 10.Be2 e6 11.Nc4 Qd8 12.Qb3 Qd7 13.g3 Bd6 14.Nd6 Qd6 15.Qb7 Nge7 16.0-0 Rb8 17.Qa6 Rb6 18.Qa4 0-0 19.Nd2 Qd7 20.Ba3 Rb7 21.Bc5 Rb2= 22.Bf3 Rd2=+ 23.Be7 Nd4 24.cd4 Qe7 25.d5 Bh3 26.Rfd1 Qf6 27.Qb3 ed5 28.Rd2 Qa1 29.Rd1 Qf6 30.Qd5 a5 31.Be4 Qe6 32.Qd3 g6 33.Bd5=+ Qe5 34.Qb5 Qc3 35.Rb1 Rc8 36.Rd1 Kg7 37.Qb1 a4 38.Qa2 Rd8-+ 39.Rb1 Qd3?? 40.Qa1-/+ f6 41.Bc6 a3 42.Bg2 Bg2-+ 43.Kg2 Qe4 44.Kg1 Rd2 45.Rf1 a2 46.Qc3 Qd4 47.Qc7 Kh6 48.Qc1 g5 49.Qa3 Rf2!! 50.Qf8 Kh5 51.Qe8 Kg4 52.h3 Kg3 53.Qb8 Rf4 54.Kh1 Qe4 (54...Qe4 55.Rf3 Qf3 56.Kg1 Qd1) 0–1. Wagner,Steven (2125) – Liu,Elliot (2255), WYb18 Kemer TUR (8), 2007.

    8.Na3 Bf5 9.Nf3 e6 10.Nb5 Qd8 11.Bf4+= Rc8 12.Na7 Na7 13.Ra7 Be7 14.Qa4 Kf8+= 15.Ne5 g5 16.Bd2 Kg7 17.Be2 Bf6 18.Nd7 Be4+/- 19.Nf6 Qf6 20.0-0 Qg6 21.c4 Nf6 22.f3 Bd3= 23.Qd1 Rc4 24.Rb7 Rd4 25.Bc3 Rd5 26.Bd3 Qd3 27.Qa1 e5 28.Re7 Re8 29.Re8 Qe3 30.Kh1 Ne8 31.Re1 Qc5 32.Be5 f6 33.Bb2 Qb5 34.Re7 Kg6 35.h3 Rd2 36.Qb1 Qf5= 37.Qf5 Kf5 38.Bc3 Rd3 39.Be1 Nd6 40.Rh7 Rd1 41.Re7 Nc4 42.Kh2 Rd3 43.Kg3 Ne5 44.Kf2 Ra3 45.Ke2 Ra2 46.Bd2 Kg6 47.Rc7 Kf5 48.Re7 Kg6 49.Rc7 Kf5 50.Rc5 Ke6 51.Ra5?? Rd2!-+ 52.Kd2 Nc4 53.Kc3 Na5 54.Kd4 Nc6 55.Ke3 Ke5 56.h4 gh4 57.g4 Ne7 58.f4 Ke6 59.Kf3 f5 60.gf5 Kf5 61.Kg2 Kf4 62.Kh3 Nf5 63.Kh2 Kg4 64.Kg2 h3 65.Kh2 Nd6 66.Kh1 Kg3 67.Kg1 Ne4 (67...Ne4 68.Kf1 h2 69.Ke2 h1Q 70.Ke3 Qf3 71.Kd4 Kf4 72.Kc4 Qc3 73.Kd5 Qc8 74.Kd4 Qc5 75.Kd3 Qc3 76.Ke2 Qe3 77.Kd1 Qd2) 0–1. Lamotho,Jean – Caiafas,Theophilus, Dubai ol (Men) (7), 1986.

    8.Be2 e5 9.Bf3 e4 10.Qe2 Bf5 (10...f5 11.Qe3-/+) 11.g3? (better is 11.Nd2!? Nf6 12.Be4 Ne4 13.f3+=) 11...Be7 12.Bg2 Nf6 13.Nh3 Qd7 (13...Bg4!? 14.Qb2 Na5-+) 14.Ng5-/+ Pawn e4, live or die! 14...0-0 15.Ne4 Be4 16.Be4 Nd4! (worse is 16...Ne4 17.Qe4 Rfe8 18.0-0+=) 17.Bh7? (17.cd4 Qd4 Double attack) 17...Nh7 18.cd4 Bb4 19.Kf1 Qc6 (19...Qd4?! 20.Qb2 Qe4 21.Kg1-+) 20.f3 Qc1 21.Kg2 Qc6 22.h4 Rfe8 23.Qb2 Qc4 24.Rc1 (24.Ra2-+) 24...Re2 25.Kh1 (25.Kg1 Qe6 26.Qe2 Qe2-+) 25...Qd3 26.Ra3 Ba3 27.Qa3 Qf5 28.g4 Qf4 (28...Qf4 29.Rc8 Rc8 30.Qf8 Kf8 31.d5 Rc1) 0–1. Larsanov,Turpal – Shakhmurzova,Fatima (1965), Sochi RUS, Doroshkevich Mem, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Be2 Qg2 9.Bf3 Qg6 10.Ne2 -/+.

    8.Nf3 e5 9.Nbd2 e4 (better is 9...ed4!? 10.Bc4 Qd6 11.cd4 Nd4 12.Nd4 Qd4 13.Qa4 Kd8 14.Qa5 b6 15.Qd5 Qd5 16.Bd5 Rb8 17.Ra7 Nf6 18.Bf7 b5+=) 10.Bc4+= Qh5 11.Ne4 Be7 12.Qe2 (12.Qe2 Kf8 13.Ng3+/-) 1–0. Meijer,Wilmar M (1935) – Rosello,Joe (1800), CL3–2000..10, 2000. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 e5 9.Bd3 ed4 10.0-0 Nf6 11.Re1 Be6 12.Nd4 Bc5 (12...Nd4 13.cd4 Kd8 14.Ra4+=) 13.Ne6= fe6 14.Qe2 0-0 15.Bc4 (worse is 15.Qe6 Qe6 16.Re6 Ng4-/+) 15...Qd6 16.Qe6 Qe6 17.Be6 Kh8 18.Ba3 Ba3 19.Na3 a6 20.Nc4 Rad8 21.Reb1 (21.f4 Rfe8=) 21...Rfe8+= 22.Bf5 Re7 23.g3 g6 24.Bh3 Ne4 25.Ra3 Rd3 26.Rc1 Nc5 27.Bf1 Rd8 28.Bg2 Ne5 29.Ne3 Rd2 30.Nd5 Ned3 31.Rf1 Ree2-/+ 32.Ra5 b5 33.Nb4+= Nf2 34.Na6 Ncd3 35.Rb5 Kg7 36.Rb7 Kh6 37.h4 ½–½. Thorfinnsson,Bj (2410) – Paci,A (2150), 27th ECC Rogaska Slatina SLO, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 e5 9.Be3 ed4 10.cd4 Bb4 11.Nbd2 Nf6 12.Be2 Bd2 (12...0-0!?+= should not be overlooked) 13.Qd2= White has the pair of bishops 13...0-0 14.0-0 White castles and improves king safety 14...Ne4 Black threatens to win material: Ne4xd2 15.Qb2 a5 16.Rfc1 Nb4 A classical outpost 17.Bc4 White threatens to win material: Bc4xd5 (17.Ne5 b6=) 17...Qf5 18.Ne5 Be6 19.Be6 (19.Be2 h5=) 19...Qe6 20.Rc7 (20.Qb1 f5+=) 20...b5 21.Rd1? (21.Qb1 Nd5 22.Rc6 Nd6-/+) 21...Nd5 (21...Rac8!? 22.Rdc1 Rc7 23.Rc7-+) 22.Rc6 Nd6 23.Qe2? (better is 23.Bd2-/+) 23...Rfc8 24.Rdc1?! not the greatest defence (24.Rc8 Rc8 25.Re1 a4-+) 24...b4 (24...a4 makes it even easier for Black 25.Rc8 Rc8 26.Re1-+) 25.R1c5 (25.Qf3 a4 26.Rd6 Rc1 27.Bc1 Qd6 28.Qf7 Kh8-+) 25...Nc3 (better is 25...Rc6!? and Black can already relax 26.Nc6 Ne3 27.fe3-+) 26.Qf3 (26.Qc2-/+) 26...Nce4-+ 27.Rc8 Rc8 28.Ra5 b3 29.Nd3?? White crumbles in face of a dire situation (better is 29.Qe2 f6 30.Nd3-+) 29...Qc4 30.Qe2 (30.Bf4 doesn't change the outcome of the game 30...Qd4 31.h4 b2 32.Nb2 Qb2-+) 30...b2! Deflection: d3 31.Nb2 (31.Nb2 Qe2 Deflection Pinning; 31.Qb2 Qc3 Decoy Double attack (31...Qd3 Deflection)) 31...Qe2 (31...Qe2 32.h4 Qe1 33.Kh2 Qa5-+) 0–1. Rost van Tonningen,Otto (2045) – Beckel,Friedrich (1955), EU–chT Seniors, 2001. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 e6 9.Bd3 Nf6 10.0-0 Be7 11.Na3 0-0 12.Bf4 Bd7 13.Nc4 Qh5 14.Be2 Qf5 15.Bg3 Nd5 16.Qd2 Rfd8 17.Ne3 Qg6 18.Rab1 b6 19.c4 (19.Bd3 Qh5+=) 19...Ne3 (19...Bb4!? 20.Qb2 Nc3-/+) 20.fe3+= Bf6 21.Bd3 Qh5 (21...Qg4 22.Qc2 h6 23.Qf2=) 22.Rb5 Qg4 (better is 22...g5=) 23.Bf2?? (better is 23.Bc7!? Nd4 24.Nd4 Bb5 25.h3+=) 23...Nd4 (23...e5!? 24.de5 Be7+=) 24.ed4 Bb5 25.cb5 Rac8 26.Qe3 Rd5 27.h3 Qh5 28.Rc1 Rcd8 29.Rc7 R5d7 30.Rd7 Rd7 31.Qe4 g6 32.Qc6 Qd5 33.Be4 Qd6 34.Ne5 Be5 35.de5 Qd1 36.Kh2 h6 37.Bh4 g5 38.Bg3 Kg7 39.Bc2 (39.Bf3 Qd2+=) 39...Qd4 (39...Qd5 40.Bb1 Qc6 41.bc6+=) 40.Qf3 (40.Bb1!?+=) 40...Rc7= 41.Be4 Rc1 42.h4 Rc4 (better is 42...Qg1!? 43.Kh3 Rf1+=) 43.Qf6+/- Kg8 44.Bg6 Exerts pressure on the backward pawn 44...fg6 (44...Rc7 45.Bh5 gh4 46.Bh4+/-) 45.Qg6 Kf8 46.Qh6 Ke7 47.Qg5 Kd7 48.Qg7 Kc8 49.Qg8 Kb7 50.Qe6 a5 51.Qf7 Rc7 52.Qf3 Ka7 53.e6 Rh7 54.Kh3 Qc4 55.Qf6 (55.Qc6!? Qc6 56.bc6+=) 55...Qb5= 56.Qf8 Qd3 57.Kh2 (57.Qb8 Ka6 58.Qc8 Kb5 59.Qe8 Kc5 60.Qc8 Kb4=) 57...Qe4+= 58.Qc8 Qb7 59.Qd8 Qe4 60.Qd6 (60.Qc8 Qa8 (60...Rh4?! 61.Bh4 Qh4 62.Kg1=) 61.Qc4 Qe8-/+) 60...Ka6 61.Bf2 Rh4 ½–½. Hoogendoorn,Joost (2280) – Meulders,Richard (2275), KGSRL Masters 2nd, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 e6 9.Bd3 Nf6 10.0-0 Be7 11.c4 Qd7 12.Be3 0-0 13.Nc3 Rd8 14.Qb1 h6 15.Rd1 b6 16.d5 ed5 17.Nd5 Nd5 18.cd5 Na5 19.Ne5 Qc7 20.Bh7 Kf8 21.Nf7 Kf7 22.Qg6 Kf8 23.Bh6 Qe5?? Exerts pressure on the isolated pawn (23...Qc3 24.Ra4 Bd6+-) 24.Ra4+- (24.Ra4 Bf6 25.Rf4+-) 1–0. Wansink – Wolfl,Stefan, EU/M corr ICCF, 1997. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 e6 9.Bd3 Nf6 10.0-0 Be7 11.Re1 0-0 12.Bg5 Qd6 13.Na3 Bd7 14.Qb1 h6 15.Bf6 Bf6 16.Qb7 Rfb8 17.Qa6 Rb6 18.Nc4 Ra6 19.Nd6 Ra1 20.Ra1 Rb8 21.Nd2 Bd8 22.N2c4 Kf8 23.Ne4 a5 24.Nc5 Be8 25.Be4 Ke7 26.f4 Na7 27.f5 Nb5 28.fe6 Nc3 29.ef7 Kf7 30.Bd3 (worse is 30.Na5 Bf6 31.Kh1 Bd4 32.Rf1 Ke7+=) 30...Bf6 31.Ne5 Be5 32.de5 Ra8 33.Rc1 ½–½. Vlasveld,W Martin (2425) – Bochev,Krasimir (2495), W–Cup10 sf11 corr, 1998. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 Nf6 9.Nbd2 b5 10.c4 Qd7 11.Bb2 bc4 12.Bc4 e6 13.0-0 Nd5 14.Ne5 Ne5 15.de5 Be7 16.Qg4 0-0 17.Ne4 Qd8 18.Rfd1 Rb8 19.Bc1 Qc7 20.Nd6 h5 21.Qd4 Qb6 22.Qd3 (22.Ra7 Bd6 23.ed6 Nc3 24.Qb6 Rb6+/-) 22...Bb7 (22...Bd6 23.ed6 Rd8 24.Bd5 Rd6 25.Qe2 Rd5 26.Rd5 ed5 27.Qe8 Kh7 28.Qf7+=) 23.Nb7+= Qb7 24.Bd5 Qd5 25.Qe2 (worse is 25.Ra7 Qd3 26.Rd3 Rfd8 27.Rd8 Rd8-/+) 25...Qb5 26.Qh5 a5 27.Re1 Bb4 28.Re3 f5 29.Rb1 Rfd8 30.Rh3 (30.Ba3 Qe8 31.Qe8 Re8=) 30...Qe5+= 31.Bg5 (31.Be3 Bd6 32.Rc1 f4 33.Qh7 Kf7-/+) 31...Bd2 32.Rf1 Bg5 33.Qg5 Rd4 34.Qh5 a4 35.Re3 Re4 36.Rh3 Rg4 37.Re3 Qd5 38.g3 Rgb4 39.Qg6 Re4 40.Ra3 Qd6 41.Rfa1 Qd2 42.Qh5 Re1 43.Kg2 Ra1 44.Ra1 Qc3 45.Qd1 a3 46.Qd6 Qa1 47.Qb8 Kh7 48.Qe8 Qf6 49.Qh5 Kg8 50.Qe8 Qf8 51.Qe6 Qf7 52.Qa6 Qd5 53.f3 a2 (better is 53...Qd2 54.Kf1 Qd1 55.Kf2 Qc2 56.Ke3 a2-+) 54.h4 Kf8 55.h5 Ke7 56.Qa7 Kf6 57.Qa3 Kf7 58.Qa7 Kg8 59.Qa6 Kh7 60.Qg6 Kh8 61.Qa6? (better is 61.Qe8 Qg8 62.Qe5-+) 61...Qd2 62.Kh3 Qc2 63.h6? (63.f4 Qb1 64.Qa8 Kh7 65.Qc6-+) 63...Qb1 64.hg7 Kg7 65.Qa7 Kg6 66.Qa6 Kg5 (better is 66...Kh5 67.g4 Kg5 68.f4 Kf4 69.Qd6 Ke4 70.Qe6 Kf3 71.Qd5 Qe4 72.Qa2 Qg4 73.Kh2 Qh4 74.Kg1 Qe1 75.Kh2 Qf2 76.Qf2 Kf2-+) 67.f4= Kh5 ½–½. Haas,Bernhard (2225) – Kreutzberg,Steffen (2335), RSX6D – B20 – Sizil., 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 Nf6 9.Be2 e5 (9...Bg4 10.c4 Qd7 11.d5 Bf3 12.Bf3+=) 10.de5= Qd1 11.Bd1 Nd5 12.0-0 Bf5 13.Ba4 (better is 13.Bb3!? Be6 14.Bc2=) 13...Bb1-/+ 14.Rb1 Nc3 15.Bc6 bc6 16.Rb7 a5 17.Nd4 (17.Re1!? Bb4 18.e6-/+) 17...c5-/+ 18.Nf3 (18.Nf5 Ne2 19.Kh1 Nc1 20.Rc1-/+) 18...c4 (18...Ne2 19.Kh1 a4 20.Ng5-+) 19.Rc7 (19.Re1 Bb4-/+) 19...Bb4 (19...a4!?-/+) 20.Rc4+= 0-0 21.g3 Rfc8 22.Rc8 Rc8 23.Bb2 Ne4 24.Rd1 h5 25.Rd7 Rc2 26.Rd8 Kh7 27.Bd4 a4 28.Rd7 Kg8 29.Rd8 Bf8 30.Ra8 a3 31.Kg2 Rc4 (31...a2!?-/+) 32.h4 g6 33.Be3 Kg7 34.Ng5 ½–½. pcmvr (2840) – pierred (2755), net–chess.com, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Nf3 Bg4 9.Be2 e6 10.0-0 Nf6 11.Na3 Be7 12.Nc2 Qb3 13.Bd2 Bf5 14.Ne3 Qd1 15.Rfd1 Be4 16.Ne1 0-0 17.f3 Bg6 18.Nd3 h6 19.f4 Rfd8 20.g4 Nd5 21.Nd5 Rd5 22.Nf2 Ra5 23.Bf3 Ra1 24.Ra1 a5 25.Be4 Be4 26.Ne4 b5 27.Rb1 a4 28.Nc5 (better is 28.Rb5!? a3 29.Rb1-+) 28...b4! 29.cb4 Nd4 30.Kf2 a3 31.Bc3 a2 32.Rd1 Nc2 33.Ke2 a1Q 34.Ba1 Ra1 35.Ra1 Na1 36.Kd3 Bc5 37.bc5 Kf8 38.Kc3 Ke7 39.Kb2 Kd7 40.Ka1 Kc6 41.Kb2 Kc5 42.Kc3 g5 43.Kd3 gf4 44.Ke4 e5! 45.h4 (45.Ke5 f3 Passed pawn) 45...f6 46.h5 Kc4 47.Kf5 f3 48.Kf6 f2 49.Kg7 f1Q 50.Kh6 Qf6 (50...Qf6 51.Kh7 e4 52.Kg8 e3 53.g5 Qg5 54.Kf8 e2 55.Ke8 e1Q 56.Kd7 Qee7 57.Kc6 Qgf6) 0–1. Ermenkov,Evgenij (2475) – Subervi,Jonathan (2230), Santo Domingo op, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Nf3 Bg4 9.Be2 Nf6 10.c4 Qd7 11.d5 Bf3 12.gf3 Ne5 13.f4 Ng6 14.Nc3 Nh4 15.h3 e6 16.c5 Qc7 (16...Bc5? 17.Bb5 Qb5 18.Nb5 Nd5 19.Rg1+-; 16...ed5?? 17.Bb5 Bc5 18.Bd7 Nd7 19.Nd5+-) 17.Bb5 Nd7 18.0-0 0-0-0 (18...Ng6 19.de6 fe6+=) 19.c6+= (19.Ra7 Kb8 (worse is 19...Qc5 20.Be3 Qc3 21.de6+/-) 20.Qa4 Qc5+-) 19...Nc5 20.Ra7 Kb8 21.Ra2 Be7 22.Be3 Qd6 23.Qa1 Kc7? (23...Nf3 24.Kh1 Na6 25.Ra6 ba6 26.Ba7 Ka8 27.Qa6 Rd7 28.Bc5 Kb8 29.Qb6 Kc8 30.Bd6 Bd6 31.cd7) 24.Ra7 (24.Be2 Bf6 25.Nb5 Kb6+-) 24...Nf3?? (better is 24...Rb8 25.Rd1 e5+-) 25.Kh1 Rb8 26.Qa5 (26.Qa5 Kc8 27.Bc5+-) 1–0. Meijer,Wilmar M – Bass,Stanley, corr, 2000. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Nf3 Bg4 9.Be2 Nf6 10.c4 Qd8 11.d5 Nb4?? (better is 11...Bf3 12.Bf3 Ne5=) 12.Qa4+- Qd7 13.Qb4 e6 14.Qa4 Qa4 15.Ra4 ed5 16.cd5 Bd6 17.0-0 0-0 18.Bg5 Bf3 19.Bf3 b5 20.Ra6 Rfd8 21.Nc3 b4 22.Bf6 gf6 23.Ne4 Be5 24.Nf6 Bf6 25.Rf6 a5 26.Rb6 Rdb8 27.Rb8 Rb8 28.d6 Kf8 29.Bc6 Rb6 (29...b3+-) 30.d7 (30.d7 Rc6 31.d8Q Kg7 32.Qa5+-) 1–0. Meijer,Wilmar M – Grudny,Diego, corr, 2001. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    7.e5 e6

    8.Ba3 Ba3 9.Na3 Bd7 10.Bd3. rpatru (2180) – chessleon (2005), net–chess.com, 2010.

    8.Ba3 Ba3 9.Na3 Nge7 10.Bd3 Ng6 11.Nb5 0-0 12.Qh5 f5 13.Nh3 Qh4 14.Qh4 Nh4 15.Nf4 Bd7 16.g3 Nf3 17.Ke2 Ng5 18.f3 Nf7?? (better is 18...a6 19.Nd6 b5+=) 19.Nc7+- Rac8 20.Nfe6 Be6 21.Ne6 Rfe8 22.Bf5 b6 23.Kd2 Na5 24.Kd3 Nc6 25.Rhe1 Rb8? (25...a5+-) 26.Nc7 Red8 27.Be6 Kf8 (27...a5 28.Nd5 Kf8 29.f4+-) 28.Bd5 (28.Nd5?! Ng5 29.Nf4 Nf3+-) 28...Rd5 29.Nd5 Rd8 30.c4 Ng5 31.h4 (better is 31.e6 Re8 32.e7 Kf7 33.Re3+-) 31...Nh3 (31...Nf3 32.Re4 Nfd4 33.Rd4 Nd4 34.Kd4+-) 32.Re4 (32.Re2 Na5+-) 32...Na5 (32...Nf2 33.Ke3 Ne4 34.Ke4+-) 33.f4 (33.Re2 Rc8+-) 33...g6 (33...Nf2 34.Ke3 Ne4 35.Ke4 Nc4 36.Nc7 (36.Ra7?! Nd2 37.Kd3 Rd5+-) 36...Nd2 37.Kd3+-) 34.h5! gh5 (34...Nf2 35.Ke3 Ne4 36.Ke4 Nc4 37.Nf6+-) 35.f5 (35.Re2 h4 36.Rh2 Nf2 37.Rf2 hg3+-) 35...Ng5?? (35...Nf2 36.Ke3 Ne4 37.Ke4 Nc4+-) 36.e6 Ne4 (36...Nc6 37.Re3 Re8 38.Rae1+-) 37.e7 Ke8 1–0. Messina,Roberta (1855) – Proietti,Tosca, ITA–chT (Women), 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    8.Ba3 Ba3 9.Na3 Nh6 10.Bd3 0-0 11.Qc2 f6 12.Bh7 Kh8 13.f4 fe5 14.de5? (14.fe5 Ng4 15.Nf3 Rf3 16.gf3 Qh4 17.Kd2 Qh6 18.Ke2 Qe3 19.Kf1 Qf3 20.Kg1-+) 14...Rf4-+ 15.Ne2 Rf8 16.0-0-0? (16.Nb5-+) 16...Qg5 17.Kb1 Ne5 18.h4 Qe7 19.Ka2 Nhg4 20.Rh3 (20.Rd4 Rf2 21.Bd3 Ne3-+) 20...Bd7 (better is 20...Nf2 21.Rdh1-+) 21.Rd4 Rf2 22.Rg3 Nh6 23.h5 Raf8 24.Bg6 Nc6 25.Rd2 e5 26.Ng1 Rd2 27.Qd2 Qc5 28.Rf3 Rf3 29.Nf3 Ng4 30.Qg5 (30.Ng5 Ne7-+) 30...Qe7 (better is 30...Qc3!? 31.Nc2-+) 31.Qd2 Be6 32.Ng5 Bg8 33.Nb5 (33.Nf3 e4 34.Nd4 Nge5-+) 33...d4 34.Kb1 a6 35.c4 (35.Nd4 ed4 36.cd4-+) 35...ab5 36.cb5 Qb4 (36...Qb4 37.Qb4 Nb4-+) 0–1. Malaczek,Mateusz – Mroziak,Maciej, DMP – Extraliga Juniorow'2009, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    8.Ba3 Nge7 9.Bd3 Ng6 10.Bf8 Kf8 11.Ne2 f6 12.f4 Qc7 13.Na3 Nd8 14.Qc2 f5 15.Nb5 Qb8 16.Qb3 Nf7 17.Qa3 Kg8 18.0-0 (18.Na7 b6+/-) 18...Bd7 (better is 18...a6!?+=) 19.Na7+/- h6 20.Nc6 Ra3 21.Nb8 Ra1 22.Ra1 Bc8 23.Bb5 Nf8 24.Be8 g5 25.Ra8 Kg7 26.Ng3 Nd7?? (better is 26...Ng6 27.Nh5 Kf8+/-) 27.Nh5+- (27.Bd7 Bd7 28.fg5 hg5-/+; 27.Nd7 Re8 28.Nh5 Kh8+-) 27...Kf8 28.Bf7 Nb8 29.Be6 (29.Rb8?! Kf7 30.Nf6 Ke7+/-) 29...Ke7 30.Rb8 Ke6 31.Ng7 Kd7 32.Nf5 Kc7 33.Ra8 Rf8 (33...Rd8 34.Nd6 Bd7 35.Rd8 Kd8 36.f5+-) 34.Nd6 (better is 34.Ne7 b5 35.Rc8 Rc8 36.Nc8 gf4+-) 34...Rf4 (34...gf4 35.Nc8 Rc8 36.Rc8 Kc8+-) 35.Rc8 (35.Rc8 Kd7 36.Rc5+-) 1–0. Krustev,G (2005) – Atamer,T (1935), MGU–14 Open, Sofia BUL, 2010. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.Bd3 a6 9.Ra2 Rb8 (9...Nge7 10.Nf3=+) 10.Ne2 b5 11.0-0 Na5 12.f4 (12.Ba3 Ba3 13.Na3 Ne7=+) 12...Nc4=+ 13.f5 (13.Ng3 Nh6=+) 13...Ne7 (13...ef5!? 14.Bf5 Bf5 15.Rf5 Ra8=+) 14.fe6= Be6 (14...fe6 15.Na3=) 15.Nf4 (15.Ra6 Qc8 16.Ra2 Bf5+=) 15...Qc8 (15...Bc8 16.Qh5 g6 17.Qf3=) 16.Ne6 Qe6 17.Raf2 Nc6 (17...Rb6 18.Bg5+=) 18.Bf5 (18.Rf7!? Nd8 19.R7f3+-) 18...Qe7= 19.Qf3 Rd8 (19...Nb6!?=) 20.Bh3+- b4 (20...N4e5 21.de5 Ne5 22.Qe3+-) 21.Bg5 N4e5? (better 21...Qb7+-) 22.Qe3 (22.de5 Ne5 23.Qh5+- (23.Be7?! Nf3 24.Rf3 Be7+=)) 22...f6-/+ 23.Bf4 Nc4 (23...Ng6 24.Qd2 Nf4 25.Rf4-/+) 24.Qc1 (24.Qf3 Qa7 25.Nd2 Nd2 26.Rd2 Be7=+) 24...Qa7 25.Re1 Be7 26.Be6 Kf8 (26...Qb6-/+) 27.Kh1? (27.Nd2 Nd2 28.Rd2 Qb6=+) 27...h5 (27...bc3 28.Nc3 Qd4 29.Rf3-+) 28.Rfe2? (better 28.Nd2=+) 28...Bd6?? (28...bc3 29.Nc3 Nd4 30.Nd5 Ne2 31.Qc4 Nf4 32.Nf4=+) 29.Qc2?? (better 29.Bd6 Nd6 30.Bd5+=) 29...g5?? (better 29...Bf4 30.Bd5 Rd5 31.Re8 Kf7 32.Rh8 Qd7-/+) 30.Qg6 (better 30.Bd5 Bf4 31.Qg6+- (31.Bc4?! Rh6+-; 31.Bc6?! Ne3 32.Re3 Be3 33.Re3 bc3+-)) 30...Qg7= 31.Qg7? (better 31.Bd6 Rd6 32.Qf5=+) 31...Kg7-+ 32.Bd6? (better 32.Bd5 Bf4 33.Bc4 bc3 34.Nc3 Nd4 35.Re7 Kg6 36.Nd5-+) 32…Rd6 (32...Nd6 33.Bd5 Rc8 34.Ra2 bc3 35.Ra6-+) 0–1. Zala,Gyula (1995) – Mayer,Istvan (2030), FSFMA, 2011. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 a6)

    8.Bd3 a6 9.Ba3 Bd7 (9...Ba3 10.Na3 Na7 11.Nf3=) 10.h4 (10.Bf8 Kf8 11.Nh3 Na7=) 10...b5 (10...Ba3!? 11.Na3 Nge7+=) 11.Bf8+= Kf8 12.Ne2 (12.Nf3 h5+=) 12...Qb6 (12...a5 13.Nd2+=) 13.Na3 Rc8 14.Qb1 (14.0-0 f6 15.f4 Nh6=) 14...Nge7 15.h5 (15.0-0 f6 16.ef6 gf6=) 15...h6 16.g4 (16.Nc2 a5=) 16...Na5 (16...f6 17.f4=) 17.Qb4 Nc4 18.Nc4 dc4 19.Be4 Ke8 (19...Bc6!? 20.Ng3 Qb7 21.Bc6 Qc6=) 20.Qa5 Qa5 21.Ra5 Bc6 22.Bc6 Rc6 23.Kd2 Nd5 24.Rha1 Nc7 25.Ng3 Ke7 26.Ne4 Rb8 27.Kc2 f6 28.ef6 gf6 29.Nc5 White threatens to win material: Nc5xa6 29...Rg8 30.Na6 Na6 31.Ra6 ½–½. Frink,Ferenc (2180) – Daroczy,Sandor, Alfoeld Cup op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Bf8)

    8.Bd3 a6 9.Ne2 Bd7 10.0-0 b5 11.f4 g6 12.g4 White prepares the advance f5 12...Qb6 13.Be3 h5 14.f5 (14.g5!?-/+) 14...Ne5! 15.fg6 (15.de5 Qe3 Double attack (15...Qe3 Pinning; 15...Qe3 Deflection; 15...Qe3 Decoy)) 15...fg6 (15...hg4 16.gf7 Nf7 17.Bg6+/-) 16.gh5 gh5 17.Nf4 Bh6?? (better is 17...Ne7-+) 18.Qh5+- Nf7 19.Qf7!! Kf7 (19...Kd8+-) 20.Nd5 Ke8 (20...Nf6 21.Rf6 (21.Nb6 Be3 22.Rf2 Rag8 23.Kf1 Bf2 24.Nd7 Nd7 25.Kf2 Rh2 26.Ke1 Rg3-+) 21...Kg8 22.Bh6+- (22.Rh6?! Qd6 23.Nf6 Kf7+/-)) 21.Bg6 (21.Nb6?! Be3 22.Kg2 Bc6 23.d5 A) 23...Bd5? 24.Nd5 ed5 25.Bb5 Ke7 26.Re1+- (26.Ra6?! Ra6 27.Ba6 Bc5+/-; 26.Ba6?! Nh6=); B) 23...Bb6 24.dc6 Ra7 25.Bg6 Kd8 26.Rf8 Kc7=) 21...Kd8 22.Bg5!! (22.Nb6 Be3 23.Kg2 Bc6 24.d5 Bb6 (24...Bd5? 25.Nd5 Ne7 26.Ne3 Ng6 27.Nd2+-) 25.dc6 Ne7 26.Rd1 Nd5-/+) 22...Kc8 (22...Bg5 23.Rf8 Decoy (23.Nb6 Zwischenzug)) 23.Nb6 Kb7 24.Na8 Bg5 25.Be4 Bc6 (25...Ka7 26.Nc7 a5 27.d5+-) 26.Bc6 Kc6 27.Ra6 Kb7 1–0. Mufics,Istvan (2205) – Binder,Tamas (2240), HUN–chT2, 1995. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 a6)

    8.Bd3 a6 9.Nf3 Be7 =.

    8.Bd3 Rb8 9.Nf3 b5 10.0-0 b4 11.Ng5 (11.cb4 Bb4 12.Na3 Nge7=) 11...g6 (11...Be7!? 12.Nf3 b3+=) 12.cb4= Bb4 13.Nf3 Qb6 14.Be3 a5 15.Qe2 Bd7 (15...Nge7 16.Rc1=) 16.Rc1 Nge7 17.g4 (17.Nc3!?=) 17...h5+= 18.h3 (18.g5+=) 18...Nc8 (18...hg4 19.hg4 Na7 20.Nc3-/+) 19.Qc2? (19.g5 N8e7=) 19...N8e7 20.Kg2 (better is 20.Qe2!?=) 20...Rc8 21.Qe2 Rd8 (21...hg4 22.hg4 Nb8 23.Nbd2-/+) 22.Nbd2 Bd2 (22...hg4 23.hg4 Rc8 24.Rh1+=) 23.Qd2 Nb4 (23...hg4 24.hg4 Nb4 25.Rh1 Rh1 26.Rh1=) 24.Be2 (24.g5 Nd3 25.Qd3 Bb5=) 24...Nec6 (24...hg4 25.hg4 Rb8 26.Ng5+=) 25.Ng5 (25.g5 0-0=) 25...a4 (25...hg4 26.hg4 Bc8 27.Rh1 Rh1 28.Rh1=) 26.gh5 (26.Ra4 hg4 27.Bg4 Rb8+=) 26...gh5 (26...Na5 27.hg6 fg6 28.Bd1+=) 27.h4 (27.Ra4!? Rb8 28.Rb1+/-) 27...Na5 28.Qd1 Nb3 (better is 28...Nc4+=) 29.Nf7?? (better is 29.Bh5 Kf8 30.Nf7 Rg8 31.Bg5 Rg5 32.hg5+- (worse is 32.Ng5 Ke7 33.Qf3 Rf8+-)) 29...Rg8-/+ (29...Kf7 30.Bh5 Rh5 31.Qh5 Kf8 32.Bh6 Ke7 33.Qg5 Ke8 34.Qg8 Ke7 35.Bg5) 30.Ng5 Nc1 31.Bh5 Ke7 32.Rc1 Rc8 ½–½. Vardakas,S (2000) – Kafetzis,G (1925), Open Thessaloniki GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    8.Bd3 Qc7 9.Na3? Ba3?? (better is 9...Ne5 10.Nb5 Nd3 11.Qd3 Qb8-/+) 10.Ba3= Ne5 11.de5 Qc3 12.Kf1 Qe5 13.Bb5 Kd8 (13...Bd7!? 14.Bd7 Kd7 15.Qa4 Kd8+=) 14.Nf3 Qc3 15.Bd6 Bd7 16.Bd3 Bc6?? (better is 16...Nf6+/-) 17.Be5+- Qa1 18.Qa1 f6 19.Ng5! fe5 (19...fg5 20.Bg7 Combination) 20.Qe5 (20.Qe5 Ne7 21.Nf7 Kd7 22.Qd6 Ke8 23.Nh8+-) 1–0. Mabee – Bosco, Arizona, 1978. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.Bd3 Qc7 9.Ne2 a6 10.0-0 f5 (10...f6 11.f4+=) 11.ef6 (11.Be3!?=) 11...Nf6+= 12.f4 Bd6 13.Nd2 0-0 14.Nf3 Bd7 15.Ne5 Rac8 (worse is 15...Ne5 16.fe5 Be5 17.de5+=) 16.Bd2 Ne7 (worse is 16...Ne5 17.fe5 Be5 18.de5 Qe5 19.Bf4+/-) 17.Ng3 Nf5 (17...Ra8 18.Re1+=) 18.Qf3 (18.Nf5 ef5 19.c4 Be5 20.fe5 dc4=) 18...Ng3+= 19.Qg3 Bb5 20.Bb5 Ne4 Increases the pressure on the backward pawn (20...ab5 21.Qh3 Rfe8 22.Qe3+=) 21.Qd3 (21.Qh3 Be5 22.Bd3 Bd4 (22...Nd2?? 23.Qh7 Kf7 24.fe5 Ke8 25.Bg6 Kd7 26.Rf8 Rf8 27.Qg7 Kc6 28.Qf8+-) 23.cd4 Nd2 24.Qh7 Kf7 25.Qg6 Ke7+=) 21...Nd2 (better is 21...ab5 22.Be1 Nc3-+) 22.Bd7+= Nf1?? (better is 22...Qc3 23.Be6 Kh8 24.Bc8 Qd3 25.Nd3 Rc8+=) 23.Be6+- Kh8 (23...Rf7 24.Nf7 Re8 25.Ng5 Kf8 26.Qf5 Ke7+-) 24.Ng6! hg6 25.Qh3 1–0. Koltanowski,George – Saxton,Delmar, simul blind, 1940. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Nb4 7.c3 Nc6)

    8.Bd3 Qc7 9.Ne2 f6 10.f4 f5 11.0-0 a6 (11...Be7 12.Na3 Nh6 13.c4 dc4 14.Bc4=) 12.Na3 Rb8 13.g4 (13.Bb2!?+=) 13...g6=+ 14.gf5 gf5 15.Kh1 Qf7 (15...b5 16.Ng3=+) 16.c4= dc4 17.Bc4? (better 17.Nc4 Nb4 18.Ng3=) 17...b5-+ 18.Ba2 (18.Bb3 Bb7 19.Kg1 Nb4-+) 18...Bb7 19.Kg1 Nb4 (better 19...Qg6 20.Ng3 Rd8-+) 20.Bb1? (better 20.Bb3-+) 20...Qg6 21.Ng3 h5 22.Kf2 h4 23.Ne2 (23.Nf5 Qg2 (23...ef5?! 24.Rg1 Qe6 25.Bd2-+) 24.Ke1 ef5-+) 23...Qg2 (better 23...Nh6!? 24.Rg1 Ng4 25.Ke1-+) 24.Ke1 Qh2 25.Nc2 (25.Qb3 Bd5 26.Qc3 h3-+) 25...Qg2 (25...Bg2 26.Ne3 Bf1 27.Nf1-+) 26.Rg1 (26.Ne3 Qc6 27.Rf2 h3-+) 26...Qc6 27.Ne3?? (27.Ba3 Nc2 28.Qc2 Qc2 29.Bc2-+) 27...h3 28.Nf1 (28.d5 Nd5 29.Nd5 h2-+) 28...h2 29.Nh2 Rh2 30.Rg8 (30.Qb3 Nh6 31.Bd2 Rc8-+) 30...Rh1 31.Ng1 (31.Rg1 Rg1 32.Ng1 Qc3 33.Ke2 Qa1-+) 31...Qc3 32.Bd2 (32.Qd2 Qa1 33.Qb2 Qb2 34.Bb2 Kf7-+) 32...Qd4 33.Rf8 (33.Qb3 Rg1 34.Ke2 Bf3 35.Qf3 Rg8 36.Ra3-+) 33...Kf8 34.Bb4 Qb4 35.Kf1 (35.Ke2 Rh2 36.Kf1 Qf4 37.Nf3 Rh1 38.Kf2 Rd1 39.Be4 Ra1 40.Ke2 Qe4 41.Kd2 Ra2 42.Kc3 Qc4) 35…Qf4 (35...Qf4 36.Qf3 Qf3 37.Ke1 Rd8 38.Bd3 Rd3 39.Ra6 Rg1) 0–1. Chehayeb,Salah (2020) – Zhang,Henry (1935), Canadian Open, 2016. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Qc7)

    8.Bd3 Qc7 9.f4 Nge7 10.Nf3 h5 11.0-0 Nf5 12.Qe1 Na5 13.Bb5 Nc6 (13...Bd7 14.Bd3+=) 14.Na3 a6 15.Bd3 Rb8 16.Kh1 Be7 17.Nc2 Na5 18.Ne3 (18.Bf5!? ef5 19.Ne3=) 18...Ne3+= 19.Be3 Nc4 20.Bc1 g6 21.Ng5 White plans f5 21...Rg8 22.Nh7 Rh8 23.Nf6 Bf6 24.ef6 Bd7 (better is 24...Ra8=) 25.f5+- gf5 26.Bf4 Qc8 (26...Qd8 27.Bc4 dc4 28.Qg3+-) 27.Bc4 dc4 28.Qg3 (28.Qg3 Ra8 29.Qg7+-; 28.Bb8?! Qb8 29.Rf5 Qd6+-) 1–0. Anchondo,Francisco (2020) – Cohen,John (1895), Western States op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.ab4 e6 6.d4 Bb4 7.c3 Bf8)

    8.Bd3 g6 9.Ne2 Bd7 10.h4 a6 11.h5 Bg7 12.Qc2 Nge7 13.Ba3 Nf5 14.Nd2 Qg5 15.g3 Rc8 16.Qb1 Bh6 (16...b5 17.f4 Qg4 18.h6+=) 17.Bc1+= Qg4 18.Kf1 (18.Qb7 Bd2 19.Kd2+= (19.Bd2? Qf3 20.Rh2 Qd3-+)) 18...Bd2=+ 19.Bd2 Qf3 20.Rh3 Na7 21.Ra5 gh5 (21...Bb5 22.Rb5 Nb5 23.Ng1 Nc3 24.Nf3 Nb1 25.Bb1=) 22.Nf4 (better 22.Ng1 Qg4 23.Be2+=) 22...Rg8?? (better 22...Bb5-/+) 23.Nh5+- Rg6 24.Be2 Qe4 25.Nf6 Rf6 26.Qe4 de4 27.ef6 Bb5 28.Rh7 e3 29.Bb5 (better 29.Be1!?+-) 29...Nb5+- 30.fe3 Ng3 31.Kg2 Ne4 32.Rh8 ½–½. Schulz,Lukas (2050) – Zolfagharian,Kevin (2060), SG Solingen–SC Hchstadt/Aisch, 2013. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.Bd3 g6 9.Nf3= Bh6? (9...Nge7!?=) 10.Na3+/- Bd7 (10...Bc1 11.Qc1 Kf8+-) 11.Bh6?? (better is 11.Nb5+-) 11...Nh6+= 12.Nb5 0-0 13.h4 (13.0-0 f6 14.Qd2 Nf7=) 13...f5 (13...Ne7 14.Nd6 (14.Ra7? Ra7 15.Na7 Qa5-+) 14...Qc7 15.Qc1=) 14.Nd6+= Nf7 15.Nb7 (15.Qc1 Nd6 16.ed6 Qf6+=) 15...Qc7= 16.Nc5 Nce5 17.h5 (17.0-0 Nd3 18.Qd3 a5=) 17...Nf3 18.Qf3 g5 (18...Ne5 19.Qe2 Nd3 20.Qd3=) 19.h6 (19.0-0 a5+/-) 19...g4= 20.Qe3 The backward pawn on e6 becomes a target 20...e5 21.Kf1 (21.Rb1 f4 22.Qd2 Qd6=) 21...e4 22.Ba6 f4 23.Qc1 Nd6 (23...e3!?=) 24.Rh5+= e3 25.Rd5 Rae8 (25...Bf5 26.fe3 f3+=) 26.Bd3 (26.Nd7 Qd7 27.Bd3+=) 26...Bf5= 27.Qc2 Bd3 28.Qd3? (better is 28.Nd3 Nf7 29.Ne5 Ne5 30.Re5 Re5 31.de5+=) 28...Qe7-+ 29.Rh5 ef2 30.Re5?? (30.Kf2 f3 31.Kg3-+) 30...Qh4-+ Black prepares the advance g3 31.Ra7 (31.Ke2 f3 32.gf3-+) 31...Qh1 (better is 31...Qh6 32.Kf2 f3 33.Qh7 Qh7 34.Rh7 Kh7 35.Re8 Ne8-+) 32.Kf2+= g3 33.Kf3 Nf5?? (33...Qh6 34.Qe2 Nf5 35.Qa2 Kh8 36.Re8 Re8-+) 34.Rf5+- Rf5 (34...Qh6 35.Rg5 Kh8+-) 35.Qf5 Qd1 36.Kf4 Qd2 37.Kg3 Re3 (37...Qe1 38.Kg4 Qe2 39.Qf3 Qf3 40.gf3 Re1+-) 38.Kh2 Rh3 39.Qh3 Qf4 40.Qg3 1–0. Martinez,Jorge Alexander (2175) – Geurts,Harrie Tulio (1785), Medellin COL, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4 6.c3 Bf8 7.d4 Nc6)

    8.Bd3 Nh6 9.Nf3 Nf5 10.0-0 Be7 11.g4 (11.Ba3 0-0=) 11...Nh4 12.Nh4 Bh4 13.f4 Be7 14.Ba3 a6 15.Be7 Qe7 16.Na3 Rb8 17.Nc2 Bd7 18.Ne3 g6 (18...Ra8 19.f5+=) 19.g5= h5 20.gh6 (20.Be2 0-0=) 20...Rh6 21.Ng4 Rh8 22.Nf6 Kd8 23.Qb3 Be8 24.Qa2 Qc7 25.Qb2 Na5 (25...Na7!?-/+) 26.Qa3 Nc4 27.Bc4 Qc4 28.Rf2 (better is 28.Qd6!? Kc8 29.Ne8 Re8 30.Ra5=) 28...Bb5 29.Rc1 Qc7 30.Rf3 Qe7 31.Qa2 Rc8 32.Rb1 Kc7 33.Rb5 (better is 33.Qg2!?-/+) 33...ab5-+ 34.Qa5 Kc6 35.c4? (35.Qa1-+) 35...bc4 36.Qa4 Kc7 37.Qa5 b6 38.Qa7 Kd8 39.Qb6 Qc7 40.Qb5 Rb8 41.Rh3 Rf8 (41...Rb5?? 42.Rh8 Ke7 43.Re8) 42.Qa4 Rb1 (42...Qb7 43.Rf3-+) 43.Kf2 (43.Kg2 Rb2 44.Kf1 Qb7 45.Qa5 Rb6-+) 43...Rb2 (43...Qb7 44.Qa5 Qb6 45.Qb6 Rb6 46.Ra3 Rb2 47.Ke1-+) 44.Kg3 Rb3 (better is 44...Rb7!? 45.Kg4 Qb6 46.Qa8 Rb8 47.Qa3-+) 45.Kg4 Rh3 46.Qa8 ½–½. Gabetto,Flaviano (2050) – Rossi,Giampiero (2020), Robecchetto op, 1999. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.Nf3 Nge7 9.Bd3 Nf5 10.0-0 Be7 11.Na3 0-0 12.Nc2 Nh4 13.Nh4 Bh4 14.Qh5 g6 15.Qg4 f5 16.ef6 (better is 16.Qf3!?=) 16...Bf6-/+ (worse is 16...Qf6 17.g3+=) 17.Bh6 Rf7 18.f4 e5 19.f5 e4 20.Be2 Ne7 21.fg6?? (21.Ne3 Qd6 22.Bb5-/+) 21...hg6 (better is 21...Bd4 22.Nd4 Rf1 23.Rf1 Bg4 24.Rf8 Qf8 25.gh7 Kh7 26.Bf8 Rf8 27.Bg4 a5-+) 22.Qg3-/+ Kh7 23.Bc1 Nf5 24.Qh3 Kg7 25.g4 Nh4 26.Ne3 Be6 27.Qg3 Bg5?? (better is 27...Kg8-/+) 28.Qe5+/- Rf6 29.Nf5! (29.Qg5?! Rf1 30.Nf1 Qg5 31.Bg5 Nf3 32.Bf3 ef3+-) 29...gf5 30.Bg5 Ng6 31.Bf6 Qf6 32.Qf6 Kf6 33.gf5 Bf5 34.Bg4 Nh4 1–0. Plaszczynska,A – Bos Swiecik,Iwona (2100), Poland–chT Porabka, 1986. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    8.Nf3 f6 9.Bd3 +=.

    8.Nf3 Nh6 9.Bd3 Nf5 10.0-0 Bd7 11.Ba3 Ba3 12.Na3 a6 13.Re1 g6 (13...Nce7 14.Ng5+=) 14.Qc1 h6 15.Kh1 Rc8 16.Qb2 Qc7 17.c4 Nfe7 18.c5 Rb8 19.Reb1 Nf5 20.Nc2 0-0 21.Ra3 Na7 22.Qc1 Kg7 23.Qf4 Bb5 24.g4 (24.Bf5!? ef5 25.Nh4+/-) 24...Bd3= 25.Rd3 Ne7 26.Qf6 Kg8 27.Ng5 Nec6? (27...Qd8 28.Rh3 Nf5 29.Qd8 Rfd8 (29...Rbd8? 30.Rb7 hg5 31.Ra7+-) 30.Ne6 fe6 31.gf5 ef5 32.Rh6 Kg7+=) 28.Rh3+- h5 29.gh5 Qe7 30.hg6 Qf6 31.ef6 fg6 32.f7 (32.Ne6 Rf6 33.Ng5 Nb5=) 32...Rf7 33.Nf7 Kf7 34.Rb7! Rb7 35.Rh7 Kf6 36.Rb7 Nb5 37.Rb6 Nbd4 38.Nd4 Nd4 39.Ra6 Ke5 (39...g5 40.Kg2+-) 40.Kg2 Nb3 (40...g5 41.Rb6+-) 41.c6 (41.f4 Kf6 42.c6 Ke7+-) 41...Kd6 42.c7! Kc7 43.Re6 d4 (43...g5 44.Re3 Nc5 45.Re5+-) 44.Kf3 d3 45.Rg6 Nd4 (45...Nd2 46.Kg2 Nc4+-) 46.Ke3 Nc6 47.Rc6! (47.Rc6 Kc6 48.Kd3+-) 1–0. Szentmihalyi,David (2005) – Bogdany,Gabor (2030), HUN–chT2 Maroczy, 2009. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.f4 Nge7 9.Bd3 a6 10.Nf3 Nf5 11.0-0 h5 12.Na3 Rb8 13.Nc2 b5 14.Ne3 Ne3 15.Be3 g6 16.Ng5 Be7 17.Qc2 Rg8 18.Qe2 Bg5 (18...Na5!?+=) 19.fg5+= Ne7 20.h4 Nf5 21.Bf5 ef5 22.Bf4 Rb6 23.Rfb1 Kf8 24.Bd2 Rg7 25.c4? (better is 25.Rf1!?=) 25...dc4-/+ 26.Ba5? (better is 26.Bb4 Kg8 27.Qf2-+) 26...Qd4-+ 27.Kh1 (27.Kf1 Re6 28.Rd1 Qf4 29.Qf3 Qf3 30.gf3-+) 27...Qh4 28.Kg1 Re6 0–1. Orsos,Gabor – Virag,Attila Aba (2075), Miskolc Avas op, 2003. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Nb4 7.c3 Nc6)

    8.f4 Nge7 9.Nf3 Nf5 10.Bd3 Be7 11.0-0 0-0 12.g4 Nh4?? (12...Nh6 13.h3 Kh8 14.Qc2+=) 13.Be3?? (better is 13.Nh4 Bh4 14.g5+-) 13...Nf3-/+ 14.Qf3 f6 15.Qg3 fe5 16.fe5 Rf1 17.Bf1 Bg5 18.Nd2 Be3 19.Qe3 Qe7 20.Bd3 Bd7 21.Kg2 Rf8 22.Kg3 h6 23.Bg6 a6 24.h4 Be8 25.Bd3 Qf7 (25...Qc7 26.Kg2-/+) 26.c4 (26.Rf1 Qe7 27.Ra1 Qc7-/+) 26...dc4 27.Nc4 Qd7 28.Nd6 Nb4 29.Bb1 Nd5 30.Qe4 Qc6?? (better is 30...g6 31.Ne8 Qe8 32.Qg6 Qg6 33.Bg6 Nf4+=) 31.Qh7 1–0. Wupi – Koch,Michael (2015), Canarias en Red prel 4th blitz, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    8.f4 Nh6 9.Nf3 Be7 10.Bd3 Bd7 11.0-0 f5 12.Ba3 0-0 13.Be7 Qe7 14.Na3 a6 15.Nc2 Rac8 (15...Rfc8 16.Qb1=+) 16.Ne3 Nd8 17.c4 (17.Qb3 Ng4 18.Nc2 Be8=) 17...Bc6 (17...Ng4!? 18.Ng4 dc4=+) 18.c5 Ndf7 (18...Be8 19.Ng5=) 19.h3 g5 20.g3 (20.Nd2 gf4 21.Rf4 Qg5=) 20...Kh8 21.Kf2 Rg8 22.Rg1 Rg7 (22...g4 23.hg4 Ng4 24.Ng4 Rg4 25.Nh2=) 23.Qc2 (23.fg5!? Ng5 24.Ng5 Qg5 25.Qf3=) 23...Rcg8=+ 24.Rg2 Qf8 (24...g4 25.hg4 Ng4 26.Ng4 Rg4 27.Nh2=) 25.Rag1 (25.fg5 Ng5 26.Ng5 Rg5=) 25...Qd8 (25...gf4 26.gf4 Rg2 27.Rg2=) 26.h4 (26.fg5 Ng5 27.Ng5 Qg5=+) 26...gf4=+ 27.gf4 Rg2 28.Rg2 Rg2 29.Kg2 Qg8 30.Ng5 Ng5 31.hg5 Nf7 32.Qe2 (32.Bf5 Ng5 33.fg5 Qg5 34.Kf3 ef5 35.Qf5 Qf5 36.Nf5 a5=+) 32...Qg6 33.Kf1 h6 34.Qh2 Kg7 35.gh6 Nh6 36.Qh4 Ng8 37.Nc2 Qg4 38.Qg4 fg4 39.Ne3 Nh6 40.Kf2 Bb5 41.Bc2 Bd7 42.f5 (42.Kg3 a5=) 42...ef5 (42...Nf5 43.Bf5 ef5 44.Nd5=+) 43.Nd5= Kg6 (43...Kf7 44.Nf4=) 44.Nf4 Kg5 45.Kg3 Ng8 46.e6 (46.d5 a5+-) 46...Be8 (46...Bb5 47.d5=+) 47.d5= Nf6 48.d6 a5 49.Ne2 (49.Nd3 a4=) 49...a4=+ 50.Nc3 (50.Nd4 f4 51.Kf2 a3=+) 50...f4 51.Kf2 a3 52.Bb3 Bc6 Black prepares f3 (52...g3 53.Kg2 Bc6 54.Kh3-+) 53.Ke1 (53.Kg1!?-/+) 53...f3-+ 54.Nd5?? (54.Kf2 Kf4 55.Ne2 fe2 56.Ke2 Bb5 57.Kf2 Ne4 58.Kg1 Nc5 59.d7 Ne6 60.Be6 Bd7 61.Ba2-+) 54...g3 (54...Bd5? 55.Bd5 Nd5 56.d7+-; 54...Nd5 55.d7 g3 56.d8Q Kg4 57.Kd2+- (57.Bd5?! f2 58.Ke2 Bb5 59.Ke3 f1Q 60.Qg8 Kh4 61.Qh7 Kg5 62.Qg7 Kh4 63.Qe7 Kg4 64.Qg7 Kh3 65.Qh8 Kg4 66.Qg7 Kh4 67.Qd4 Kh5 68.Bf3 Kg6 69.Be4 Kg5 70.Qg7 Kh4 71.Qe7 Kg4 72.Qg7 Kh3 73.Qh8 Kg4 74.Qg7 Kh4 75.Qe7 Kh3 76.Qh7 Kg4 77.Qg7=)) 55.Nc3 (55.d7 f2 56.Ke2 Bb5 57.Kd2-+) 55...g2 56.Kf2 Ng4 (56...Ng4 57.Ke1 g1Q 58.Kd2 Qf2 59.Ne2 fe2 60.d7 e1Q 61.Kd3 Ne5) 0–1. Pade,Joachim (1645) – Reichenbaecher,Thomas (1990), 21st Rhein–Main–Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    8.Bd3 Bd7

    9.Ra2 Qc7 10.Ne2 Na5 11.0-0 Nc4 12.Nf4 g6 13.Nh3 Ne7 14.f4 h5 15.Ng5 Nf5 16.Re1 Be7 17.Rf2 a5 18.g4? (better is 18.Ra2-/+) 18...hg4-+ 19.Qg4 a4 20.Rg2 Rh4 21.Qf3 Bg5 (21...Bb5 22.Ra2-+) 22.Bf5 (22.fg5 b5-/+) 22...ef5 (22...Be7!? 23.Bd3-+) 23.fg5 Be6 24.Ra2 Qb6 25.Nd2 Nd2 26.Bd2 Qb3 27.Rea1 (27.Raa1 Rd4! 28.Reb1 Rg4 29.Qg4 Qb1 (29...fg4?? 30.Rb3 ab3 31.Ra8 Kd7 32.Ra4+-) 30.Rb1 fg4 31.Rb7 a3-+) 27...b5 (27...Rd4 28.Ra3 Rg4 29.Qg4 Qa3 30.Ra3 fg4 31.Kf2-+) 28.Qd1 (28.Qf1 Bd7-/+) 28...Qc4 (28...Qd1 29.Rd1 Kd7 30.Rb1-+) 29.Qf1 Rc8 30.Rb2 (30.Qf3 Rg4 31.Kf2 Bd7-+) 30...Qf1 31.Rf1 Bd7 32.Ra1 Kf8 33.Be1 Re4 34.Bd2 Kg7 35.Re1 Rg4 36.Kh1 Rh8 37.Re3? (37.Rf1-+) 37...Rh7 0–1. Zala,G (2070) – Papa,K (1915), 27th Budapest Spring Festival, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

    9.Ne2 Rc8 10.0-0 a6 11.f4 g6 (11...Qc7 12.Ba3+=) 12.Nd2 Nge7 13.Nf3 (13.Ba3 Na7=) 13...Na5 14.g4 (14.Nd2!?=) 14...Nc4-/+ 15.Qc2 White plans f5 15...Bg7 16.Ng3 White intends f5 16...Qc7 17.f5 gf5 18.gf5 ef5 19.Nf5 Nf5 20.Bf5 h6 21.Ra2 Bf5 22.Qf5 Qd7 23.e6 (23.Qd7 Kd7 24.Nh4 Ke6-/+) 23...fe6 24.Re2 (24.Qg6!? Qf7 25.Qf7 Kf7 26.Ng5 Kg8 27.Ne6-/+) 24...Rc6 25.Nh4 (25.Qg6 Kd8 26.Rg2 Rg8-/+) 25...Kd8 26.Qh5 Nd6 (26...Qe8 27.Ng6 Rg8 28.Rg2-+) 27.Bd2 (27.Ng6 Rg8 28.Bh6 Bh6 29.Qh6 Nf5 (29...Rc3?! 30.Rf8 Rf8 31.Nf8-/+) 30.Qg5 Kc7-+) 27...Qe8 28.Ng6 White launches an attack 28...Rg8 29.Rg2 Ne4 (29...Nf5 30.Kh1-+) 30.Bh6 (30.Qh4 Kd7 31.Nf8 Kc8 (31...Bf8 32.Rg8 Be7 33.Qg4+/-; 31...Rf8?! 32.Rg7 Kc8 33.Rf8 Qf8 34.Bh6-+) 32.Bh6 Rc7-+) 30...Bh6 (30...Bf6 31.Rf6 Nf6 32.Qg5-+) 31.Qh6 e5?? (better is 31...Rc3 32.Qh4 Kc7-+) 32.Qh4= Kc7 33.Ne5 (33.Ne7!? Rg2 34.Kg2 ed4 35.Nc6 Kc6 36.Qh6 Nd6 37.Rf6 Qe2 38.Kg1 Qe1 39.Kg2 Qe4 40.Kf1 Qd3 41.Kf2=) 33...Rg2-/+ 34.Kg2 Qg8 (better is 34...Rc3!? 35.Rf7 Kb6+=) 35.Kh1+= Rc3?? (better is 35...Re6+=) 36.Qe7+- Kb6 (36...Kb8 37.Rf8 Rc8 38.Rg8 Rg8+-) 37.Rb1 Ka5 (37...Rb3 38.Rb3 Ka7 39.Qb7) 38.Qb4 1–0. Koltanowski,George – NN, simul blind CC Divan, 1941. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4 6.c3 Bf8 7.d4 Nc6 8.Bd3 Bd7)

    9.Ne2 Nge7 10.Ba3 (10.0-0 a6+=) 10...Rc8 (10...a6 11.0-0=) 11.h4 (11.0-0 Ng6=) 11...a6+= 12.Rh3 (12.Bd6 Na7+=) 12...Na7 13.Nf4 (13.Bc5 Ra8+=) 13...Ng6 (13...Nb5 14.Bb4+=) 14.Ng6 hg6 15.Bf8 Kf8 16.Qg4 Be8 17.Ra2 (17.h5 gh5 18.Rh5 Rh5 19.Qh5 Bb5+=) 17...Nb5 Attacks the backward pawn on c3 (17...Bb5 18.Bb5 Nb5 19.h5 gh5 20.Rh5 Rh5 21.Qh5-+) 18.Bc2 (18.h5 Nc3 19.Nc3 gh5 20.Rh5 Rh5 21.Qh5 Rc3-/+) 18...Rh6 19.Rf3 (better is 19.Ba4!?+=) 19...Rh4-+ 20.Qg6 (20.Qg3 Rh1 21.Kd2 Qc7-+) 20...Nc3! 21.Nc3 (21.Nc3 Rc3; 21.Rc3 Rh1 Double attack) 21...Rc3! 22.Qg3 (22.Rc3 Rh1 Double attack) 22...Rf3 23.Qf3 Rd4 24.Qc3 Rc4 25.Qa3 (25.Qe3 Bb5-+) 25...Qe7 26.Qh3 (26.Qb2-+) 26...Qb4 27.Ke2 (27.Kd1 Rd4 28.Kc1 Qe1 29.Kb2 Rb4 30.Bb3 Qf2 31.Ka3 Qc5-+) 27...Rh4 (better is 27...Bb5 28.Qh8 Ke7-+) 28.Qa3 Bb5 29.Bd3 (29.Kf3 Qa3 30.Ra3 Rh5-+) 29...Re4 30.Kf3 Bd3 31.Qd3 Re5 32.Rc2 (32.Qa3 Qa3 33.Ra3 d4-+) 32...Qe4 (better is 32...Qh4 33.Rc8 Ke7 34.Rc7 Kd8 35.Rb7 Re4 36.Qe4 Qe4 37.Kg3 g5-+) 33.Qe4 Re4 34.Rc8 Ke7 35.Rc7 Kf6 36.Rb7 Ra4 (36...a5 37.g4-+) 37.g4 (37.Ra7 a5-+) 37...g5 38.Kg3 (38.Ra7 a5-+) 38...a5 39.Ra7 Ra3 (39...Ra3 40.Kg2 a4-+) 0–1. Rodriguez Sorribes,J (2135) – Bruzon Batista,L (2590), 35th Open Manresa ESP, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Bd7)

    9.Ne2 f6 10.Bf4 fe5 11.de5 g6 12.0-0 Bg7 13.Nd4 Nge7 14.Qe2 0-0 15.Qe3 Nd4 16.cd4 Nf5 17.Bf5 Rf5 18.Nc3 a6 19.Rac1 Rc8 20.Bh6 Bh6 21.Qh6 Rc4 22.Qe3 b5 23.Ra1 Qc8 24.Rfc1 Rf7 25.h3 Be8 26.Ne2 Rfc7 27.Rc4 dc4 28.Qa3 Ra7 29.Qe3 Ra8 30.Nf4 a5 31.d5 ed5 32.Nd5 Qb7 33.Qe4 (33.Nf6 Kh8 34.Ne8 Re8 35.Ra5=) 33...Kg7?? (33...Bc6 34.Ne7 Qe7 35.Qc6-/+) 34.Rd1 (34.e6 h5 35.Qe5 Kh7 36.Nf6 Kh6 37.g4 (37.Ne8?! Re8 38.Ra5 Qe7+=) 37...hg4 38.hg4+- (38.Ng4?! Kh7=)) 34...Rd8?? (34...Kh8 35.e6 Qg7 36.Ne3+/-) 35.Qd4 (better is 35.e6 Rd5 36.Rd5+/- (worse is 36.Qd5 Qd5 37.Rd5 Kf6+=)) 35...Rd5 36.e6?? (better is 36.Qd5 Qd5 37.Rd5+=) 36...Rd4-+ (36...Rd4 37.Rd4 c3-+) 0–1. Cabe – Glomp, playchess.de, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    9.Nf3 a6 10.0-0 b5 11.Ng5 Nh6 (11...Be7!? 12.Nf7 Kf7 13.Qf3 Nf6 14.ef6 Bf6=) 12.Nh7+= (worse is 12.Bh7 g6 13.f4 Be7-/+) 12...Rh7 13.Bh7 g6 14.g3 Nf5 15.Qg4 Nce7 16.h4 Ng7 17.Bg5 Bc6 18.Qf3 Qc7 19.g4 a5? (better is 19...Qa7!?+/-) 20.Qf6+- b4 21.cb4 Bb5 22.Rc1 Qb6 23.Rc5 (23.Qf4 a4+-) 23...Bc6 24.b5! (24.ba5?! Qb2 25.Ra3 Qd4= (25...Qb1? 26.Kh2+-)) 24...Bb5 25.Nc3 Bd3? (better is 25...Bc4+-) 26.Na4 Qb4 27.Rc7 Kd8 28.Re7! Be7 (28...Qe7 29.Qf7 Pinning (29.Qf7 Decoy); 28...Be7 29.Qg7 Deflection (29.Qg7 Overloading)) 29.Qg7 Bg5 30.Qg8 Ke7 31.Qa8 Qd4 (31...Bh4 32.Qa7 Kf8 33.Qc5 Kg7 34.Qb4 ab4 35.Nc5+-) 32.Qb7 Kf8 (32...Kd8 33.Qb6 Qb6 34.Nb6+-) 33.Qc8 Kg7 34.Qg8 Kh6 35.hg5 Kg5 36.Qd8 Kg4 37.Re1 Qa4 38.Qf6 (38.Bg8 Qb4 39.Re3 Qb1 40.Kh2 Bf5+-) 38...Bf5 39.f3?? (better is 39.Qf7 Kg5 40.Re3 Qd1 41.Kg2+-) 39...Kf3 40.Qg5?? (better is 40.Rf1 Ke2 41.Rf2 Kd3 42.Qg5 (worse is 42.Qf7 Qd1 43.Kh2 Be4-/+) 42...Qa1 43.Rf1 Qd4 44.Kg2=) 40...Qd4-+ 41.Kh1 Be4 42.Qg1 (42.Bg8 Qf2 43.Re4 Ke4 44.Qe7-+) 42...Qf2 (42...Qe5?! 43.Qe3 Kg4 44.Kg1-/+) 43.Bg6 (43.Re4 Qg1 44.Kg1 Ke4 45.Bg8-+) 43...Qh4 (43...Bg6? 44.Rf1 Qf1 45.Qf1 Ke4 46.Qe1 Kf4 47.Qa1+-; 43...fg6 44.Re4 Qg1 45.Kg1 Ke4 46.Kf2-+) 44.Qh2 Qe1 (44...Qe1 45.Qg1 Kf4 46.Be4 Qe4 47.Kh2 Qh7 48.Kg2 Qg6 49.Kf2 Qg1 50.Kg1 Ke5-+) 0–1. Gurkin,Anton (2175) – Busin,Pavel (2065), Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Nc6 6.d4 Nb4 7.c3 Nc6 8.Bd3 Bd7)

    9.Nf3 Nge7 =.

    9.Nf3 f6 10.Nh4 Qb8 (10...Qc8!?+=) 11.Qh5+= Kd8 12.Ng6 (12.Qf7!? Kc7 13.ef6 Nf6 14.Bf4 e5 15.de5+=) 12...Be8+= 13.Qh3 (13.Bf4 Nh6 14.ef6 hg6-/+ (14...Bg6? 15.Qh4 Qf4 16.Qf4+-)) 13...Bg6-/+ 14.Bg6 fe5 15.0-0 Nf6 16.Bf7 Bd6 (16...ed4!? 17.Be6 Qe5-/+) 17.de5+= Ne5 18.Be6 Qc7 (18...Ng6 19.c4=) 19.Bg5 Nf7 (19...Qc4!=) 20.Bf6+/- gf6 21.Bd5 Qe7 22.Nd2 Ne5 23.Ne4 Kc7 24.Ra4 Rab8? (24...Bc5 25.Nc5 Qc5 26.Be4+-) 25.Rd1 (25.Ra7 Bc5 26.Ra2 Rhd8+-) 25...Rbd8? (25...Bc5 26.c4+-) 26.Qf5 (better is 26.Rb1!? Rb8 27.Ra7 Nd7 28.Bb7 Rhe8 29.Ba6 Kd8+-) 26...Qd7 (better is 26...Nc6+-) 27.Be6?? (better is 27.Qd7 Rd7 28.Nf6+- (28.Nd6?! Rd6 29.Ra7 Nc6+/-)) 27...Qe7 (better is 27...Qa4 28.Rf1 Kb8-+) 28.Nf6 (better is 28.Rad4+-) 28...Bc5?? (better is 28...Kb8 29.Nd5 Qg7+-) 29.Qe5 1–0. Capuano,Fausto – Sant'Anna,Eddie (2095), Pan American–ch U18, 1998. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Bd7)

    9.Nf3 h6 10.0-0 Nge7 11.Ba3 Nc8 12.Bf8 Kf8 13.Qd2 Rb8 14.Na3 a6 15.Rfb1 g6 16.Qf4 Kg7 17.Nc2 Qe7 18.h4 Be8 19.Ne3 h5 20.g4 Ra8 21.gh5 Rh5 22.Ng4 Ra7 23.Nf6 Rh6 24.Ng8 Kg8 25.Qh6 Qf8 26.Qf4 b5 27.h5! gh5 28.Kh2 N8e7 29.Rg1 Ng6 30.Nh4 Nce7 31.Qg5 Qg7 32.Rg3 a5 33.Qh5 Kf8 34.Ng6 fg6 35.Qf3 Kg8 36.Qg4 Nf5 37.f4 a4 38.Kg2 Ra8 (better is 38...Ng3!? 39.Qe6 Qf7 40.Qf7 Kf7 41.Kg3 a3=) 39.Bf5+/- ef5 40.Qg5 Rb8 41.Re3 a3? (41...b4 42.cb4 Rb4 43.Rd1+/-) 42.e6 (42.Ra3 b4 43.cb4 Qc7+-) 42...Kf8? (42...b4 43.cb4 Qd4 44.Raa3 (44.Rea3?! Rb4 45.Qg3 Rb2 46.Kh1 Qe4 47.Kg1 Qe6=) 44...Qd2 45.Kh3+/-) 43.Qh4 (better is 43.Ra3 Kg8 44.Re5+-) 43...b4 44.cb4 Qd4 (44...Qd4 45.Raa3 Rb4+-). Serrano Bozada,Esteban (2185) – Fidalgo Fernandez,Javier (2280), ESP–ch universities, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

    9.f4 Rc8 10.Ba3 Ba3 11.Ra3 a6 12.Nf3 Na7 13.Qd2 Bb5 14.Bc2 Ne7 15.Rg1 Nac6 16.g4 White intends f5 16...Na5 17.Qf2 Nc4 18.Ra2 Qd7 19.Nh4 White plans f5 19...f6 20.f5? (better is 20.ef6 gf6 21.g5-/+) 20...fe5-+ 21.fe6 Qe6 22.Nf5 ed4 23.Kd1 Ne3 24.Kc1 0-0 25.Re1 (25.Nd4 Rf2 26.Ne6 Rh2-+ (26...Nc2?! 27.Rc2 Rc2 28.Kc2-+)) 25...N7f5 26.gf5 Qh6 27.Kb2 (27.Qd2 Qh4 28.Rg1 Nf5-+) 27...Nc2 (27...dc3 28.Ka1 d4 29.Na3-+) 28.Qc2 (28.Kc2 dc3 29.Na3 Bd7-+) 28...dc3 29.Nc3 d4 0–1. Barberis,V (1785) – Ribeiro,Ro (2200), Avoine FRA, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    9.f4 Nge7 10.Nf3 Nc8 11.0-0 Be7 12.Na3 a6 13.Nc2 Ra7 14.Ne3 White prepares the advance f5 14...b5 15.f5 Nb6 16.Qe1 Qc8 17.Qg3 Nd4? (better is 17...Bf8=) 18.cd4+- Qc3 19.Qg7 Rf8 20.fe6 (20.f6 Bd6 21.ed6 Qa1+-) 20...fe6 21.Bh7 Qa1 22.Ng4 (22.Nc2 Qc1 23.Rc1 Kd8+-) 22...Qc3? (better is 22...Bc8 23.Bg6 Kd7 24.Qe7 Ke7 25.Bg5 Kd7 26.Ra1 Kc6+-) 23.Bg5 Bg5 24.Bg6 Kd8 25.Qf8 Kc7 26.Qd6 (26.Ng5?! Qd4 27.Nf2 Qe5+-) 26...Kb7 27.Ng5 Qd4 28.Nf2 a5 29.Ne6 Be6 30.Qe6 a4 31.Rc1 b4 (31...Nc4 32.Rb1 Qc5+-) 32.Qc6 Ka6 (32...Kb8 33.Qd6 Ka8 34.Qd8 Kb7 35.Rc7 Ka6 36.Bd3 Qd3 37.Ra7 Ka7 38.Nd3 Ka6 39.Nb4 Kb5+-) 33.Bd3 1–0. Wigbout,Max – Ker,Anthony F, NZL–chB New Zealand, 1980. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    9.Qg4 f5 10.Qh3 Rc8 11.Ne2 a6 12.g4 g6 13.gf5 ef5 14.Rg1 Bg7 15.Na3 Na5 16.Rb1 b5 17.Bc2 Ne7 18.Bh6 Rg8 19.Bg7 Rg7 20.f4 Nec6 21.Rd1 Qe7 22.Nb1 b4 23.Bd3 Nc4 23...Ra8 24.Nd2-/+) 24.cb4 (better is 24.Bc4 dc4 25.d5=) 24...Nb4 25.Bc4 Rc4 26.Kf2 Bb5 27.Na3 Rc6 28.Nb5 ab5 29.Ra1 Qb7 30.Rgb1 Nc2 31.Ra5 b4 32.Rd5 Na3 33.Qa3 (better is 33.Re1=) 33...ba3-+ 34.Rb7 Rb7 35.Ra5 Rb3 36.d5 Rc2 37.e6? (37.Ra8 Kd7 38.e6 Kd6 39.Ra6 Kd5 40.e7-+) 37...Rbb2 38.Ra8 Ke7 39.Ra7 Kd6 40.Rd7 Kc5 (40...Kc5 41.Rc7 Kd5 42.Rc2 Rc2-+) 0–1. Hardy,Otto H – Brady,Cormac A, London SCCU op, 1993. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    9.Qg4 h5 10.Qg3 h4 11.Qf3 Nh6 12.Nh3 Be7 13.0-0 a6 14.Nf4 Qc7 15.Nh5 0-0-0 (15...Kf8!?=) 16.Ng7+= Rdg8 17.Nh5 Ng4 18.Nf4 (18.Qf7 Nge5 19.de5 Ne5-+) 18...Nce5 19.de5 Ne5 20.Qe2 Nd3 21.Nd3 (worse is 21.Qd3 Bb5 22.Qf3 Bf1 23.Kf1 Qc4 24.Kg1 Bd6-/+) 21...Bd6 22.f4 f6 23.Ba3 Re8 24.Bd6 Qd6 25.Nd2 e5 26.Rfc1 e4 27.Nb4 Rhg8 28.Kh1 Rg4 29.Nf1 e3 (better is 29...Rf4!? 30.Ne3 Bb5+-) 30.Ne3 Qc5 31.Nbc2 (better is 31.Ra6!? ba6 32.Qa6 Kd8 33.Qf6 Kc8 34.Ng4 Bg4+-) 31...Rf4 32.Qd2 h3 33.g3 (33.Nd5? hg2 34.Qg2 Rf2-+; 33.Qd5?! hg2 34.Kg1 Qb6+=) 33...Rfe4 34.Re1 (34.Nd5 Bc6 35.Nce3 Re3-+) 34...f5 35.Nd4 (35.Nd5? Re1 36.Re1 Re1 37.Ne1 Bc6-+) 35...f4 36.gf4 Rf4 37.Rf1 Rfe4 38.Rae1 Qe7 39.Nf3?? (39.Nef5 Qe5 40.Re4 Qe4 41.Kg1 Bf5 42.Nf5 Kb8+/-) 39...Qc5?? (better is 39...Re3 40.Re3 Qe3-+) 40.Nc2 (40.Nd5? Re1 41.Re1 Re1 42.Ne1 Bc6-+) 40...Bc6 41.Nfd4 Bd7 42.Qf2 Qc7 43.Qd2 Qc5 44.Re3 Kb8 45.Ref3 ½–½. Vavruska,Antonin (2165) – Symbor,Przemyslaw (2240), Stare Mesto op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    9.Nh3 a6 10.Ng5 (10.0-0 Nge7=) 10...g6 (10...Be7 11.Nf7 (worse is 11.Nh7 g6-/+) 11...Kf7 12.Qh5 g6 13.Bg6 Kg7 14.Bd3-/+) 11.Qf3 (11.0-0 b5=) 11...Nh6 (11...f5 12.0-0=) 12.h4 (12.0-0 Bg7=) 12...Be7 (12...Rc8!? 13.Be3 Qe7=) 13.Ne6= Be6 14.Bh6 Qd7 (14...Qb6 15.Bc1=) 15.Nd2 (15.Bg5 0-0=) 15...Bg4 (15...Qd8 16.h5+=) 16.Qe3 (16.Qf4 Rg8+=) 16...Bf5 17.Be2 Na7 (17...Rg8 18.Bg5+=) 18.Nb3 (18.Bg7!? Rg8 19.Qh6+/-) 18...Bc2 (18...Be4 19.Rh2+=) 19.Nd2 Nb5 (better is 19...Bf5!?=) 20.Rc1 (20.Bg7!? Rg8 21.Bf6 Bf6 22.ef6 Kd8 23.Nf3+=) 20...Bf5+= 21.f3 (21.Bg7 Ba3 22.Ra1 Rg8+=) 21...Rc8 Attacks the backward pawn on c3 22.g4 Ba3 23.Bb5 Qb5 24.Ra1?? (better is 24.c4 Qb4 25.Rc3+=) 24...Bb2-+ 25.Ra2? (better is 25.c4 dc4 26.gf5 Ba1 27.0-0-+) 25...Rc3 26.Qf4 Be6 (better is 26...Rc1 27.Kf2 Rh1-+) 27.Qf6 (27.Kf2 Rd3-+) 27...Rg8 (27...Rc1 28.Kf2 Bd4 29.Be3 Be3 30.Ke3 Rh1 31.Qh8 Kd7 32.Kd4 Qb4 33.Kd3-+) 28.Kf2 (28.Bg5 Kd7 29.Kf2 Rc7-+) 28...Rc2 (28...Rd3 29.Bg5 Bd4 30.Kg2-/+) 29.Bg5 Kd7 (worse is 29...Bd4 30.Kg3 Be5 31.Qe5+/-) 30.Rb1?? (better is 30.Qe7 Kc8 31.Kg3-+) 30...Bd4 (better is 30...Rd2 31.Kg3 Rc2 32.Qe7 Kc8 33.Rc1 Rc1 34.Bc1 Bd4 35.Rc2 Kb8 36.Bf4-+) 31.Ke1 (31.Kg3 Qb1 (31...Ra2?! 32.Rb5 ab5 33.f4-+) 32.Qe7 Kc8 33.Nb1 Ra2-+) 31...Qb1! (31...Ra2 32.Rb5 ab5 33.f4-+) 32.Nb1 Ra2 33.Qe7 (33.Nd2 Rc8-+) 33...Kc8 34.Qb4 (34.Bf6 a5 35.Kd1 h5-+) 34...Ba7 (better is 34...Be5 35.Nc3 Rc2 36.Na4-+) 35.Be7 (35.Nc3 Rh2-+) 35...Kb8 (35...Bf2 36.Kd1-+) 36.Bd6 (36.Nc3 Ra1 37.Kd2-+) 36...Ka8 37.Nc3 Rc2 (37...Ra1 38.Kd2-+) 38.Kd1 Rf2 39.Na4 Rc8 (39...Rf3 40.Bc5 Rh3 41.Nb6 Bb6 42.Qb6 Bg4 43.Ke1+=) 40.Nb6 (40.Nc5 Bc5 41.Bc5 Rf1 (41...Rf3?! 42.Qb6 Rc5 43.Qc5-+) 42.Ke2 Rc1-+) 40...Bb6 41.Qb6 Rfc2 (41...Rf3?! 42.Bc5 Rc5 43.Qc5-+) 0–1. Andersen,Preben (2055) – Duncan,Christopher R (2340), Taastrup, 1997. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Bd7)

    9.Nh3 Nge7 10.0-0 +=.

    8.Bd3 Nge7

    9.Ra2 a6 +=.

    9.Ba3 Ng6 10.Bf8 Nf8 11.Na3 a6 (11...Nd7!?+=) 12.Nb5+= Qg5?? (12...Ng6!?+=) 13.Nd6 (better is 13.Nc7 Kd8 14.Na8 Qg2 15.Qf3 Qf3 16.Nf3+-) 13...Ke7+/- 14.Nf3 Qh5 15.Qb3 Nd7 16.0-0 (16.Nb7 Bb7 17.Qb7 Na7+-) 16...f6+= 17.Nc8 Rhc8 18.ef6 gf6 19.Rfe1 (19.Qb7 a5 20.Rfb1 Rab8+=) 19...b5 (19...Rg8!? 20.Re3 Nd8=) 20.Qa3+/- Kf7 21.Qd6 Nf8 22.Bb5 ab5 23.Ra8 Ra8 24.Qc6 Re8 (24...Ra3!?+=) 25.Qb5+/- Ng6 26.Re3 Nf4 27.Qd7 Re7 28.Qd6 Qg4 29.g3 Nh3 30.Kg2 Ra7 31.Re2 h5 (31...Kg7 32.Qb8 Rf7 33.Re3+/-) 32.Rb2 Ng5 33.Ng5 fg5 34.Qb8 Rd7 35.Qe5 (35.Qc8 Re7+/-) 35...Qe4 (35...Qf5 36.Qe3+/-) 36.Qe4 de4 37.Re2 Rc7 38.Re3 Kf6 39.h3 Kf5 40.f3 ef3 41.Kf3 g4 42.hg4 hg4 43.Ke2 Ra7 44.Kd3 Ra3 45.Re5 Kf6 46.Rc5 Ra2 (better is 46...Ra1!? 47.Ke4 Rf1+/-) 47.Ke3+- Ra8 48.Kf4 Rg8 49.Rc6 (49.c4 Re8+-) 49...Ke7 50.Rc7 Kd6 51.Rc5 Kd7 52.Re5 Rc8 53.Re3 (53.Kg4?! Rc3 54.Kf4 Rd3+-) 53...Rg8 (53...Rc4 54.Rd3+-) 54.c4 Rg7 55.Re5 Re7 56.Kg4 Kc7 57.Re4 Rg7 58.Kf4 Kd6 59.g4 Rc7 60.c5 Kd5 (60...Ke7 61.Re5 Kf6 62.g5 Kf7 63.g6 Kf6 64.Rg5+-) 61.Ke3 Re7 62.Re5 Kc4 (62...Kc6+-) 63.c6 Rg7 (63...Kb4 64.Rc5 Re8 65.c7+-) 64.g5 (better is 64.Rc5!? Kb4 65.c7 Rg8+-) 64...Rh7 (64...Kb4 65.Rc5 Rc7 66.Kf4+-) 65.Rc5 (65.Rc5 Kb4 66.c7 Rh3 67.Kf4 e5 68.Ke5 Re3 69.Kd6+-) 1–0. Haemmerlein,Thomas – Matzkowiak,Roman, Berlin–chT, 1995. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6 7.Bd3 d5 8.e5 Nge7)

    9.Ne2 Bd7 10.0-0 Qc7 (10...Qb6 11.Re1+=) 11.Na3 (11.Ba3 Qc8=) 11...Nc8 (11...Nf5 12.Nf4 Nce7 13.Nb5 Bb5 14.Bb5 Nc6 15.Qf3=) 12.f4 (12.Nb5 Qb6=) 12...h5 (12...Be7 13.Be3+=) 13.f5 (13.Nb5 Qb6=) 13...ef5+= 14.Bf5 Bf5 15.Rf5 Qd7 16.Qf1 (16.Rf3 Nb6+=) 16...Na5 (16...h4 17.Qf3+=) 17.Rb1 (17.Qf3 Nb3 18.Ra2 g6-/+) 17...Nb6 (17...Ba3 18.Ba3 Nc4 19.Bc1+=) 18.Nb5 Nac4 19.Ng3 (19.Qf4 Rc8=) 19...h4 20.Nh5 Nc8 21.Nd6 N8d6 22.ed6 Nd6 (22...h3 23.Rd5 Nd6 24.Bg5 Rh5 25.Re1 Be7 26.Rd6 Qd6 27.Re7 Qe7 28.Be7+-) 23.Re5 (23.Rd5 h3 24.Bg5 Rh5 25.Re1 Be7 26.Rd6 Qd6 27.Re7 Qe7 28.Be7 Rd5+-) 23...Kd8+= 24.Nf6 (better is 24.Rd5 h3 25.Bg5 Kc8 26.Bf4=) 24...gf6?? (better is 24...Qc6 25.Qf3 h3=) 25.Qf6+- Kc7 26.Qh8 Nc4 (26...Qg4 A) 27.Rd5 Qd1 28.Kf2 Qc2 29.Bd2 Ne4 (29...Qd2?! 30.Kg1-+) 30.Ke3 Qd2 (30...Nd2?? 31.Qe5 Kc6 32.Rc5 Bc5 33.Qc5 Kd7 34.Rb7 Kd8 35.Qf8) 31.Ke4 Qe2 32.Kf5 Qc2 33.Kf4 Bd6 (33...Qb1?! 34.Qe5 Kc6 35.Rc5 Bc5 36.Qc5 Kd7 37.Qd5 Ke8 38.Qe5 Kd8 39.Qd6 Kc8 40.Qc5 Kd7 41.Qd5 Kc7 42.Qc5 Kd7=) 34.Qe5 Be5 35.de5 Qb1-+; B) 27.Bg5+-) 27.Re1 (27.Qh4?! Ne5 28.Bf4 Re8+=) 27...b6 (27...h3 28.Bf4 Kc6 29.Qf6 Bd6 30.Bd6 Nd6 31.c4+-) 28.Bf4 Kb7 29.Qh4 a5 (29...Qf5 30.Rf1+-) 30.Qh5 a4 31.Rf1 (31.Bg3 Bg7+-) 31...a3 (31...f6 32.Bh6 Be7 33.Rbe1+-) 32.Bc1 (32.Bg3 f6 33.Rf6 Be7+-) 32...a2 (32...f5 33.Rf5 Qe8 34.Qh7 Ka6 35.Qg8+-) 33.Ra1 Kc6 34.Rf7 (34.Rf7 Qe6 35.Bg5+-) 1–0. Guglielmi,Riccardo (2100) – Fiol,Fabrice (1970), Cannes op, 1990. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6N 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.Ne2 Nf5 10.0-0 Be7 11.h3 g6 12.Nd2 0-0 13.Ra2 Rb8 14.g4 Ng7 15.f4 f5 16.Nf3 b5 17.Ng3 a5 Black intends b4 18.Rg2 b4 19.cb4 Nb4 20.Kh2 Nd3 21.Qd3 Bd7 22.Rfg1 a4 23.gf5 Rb3 24.Qd1 ef5 25.Nd2 Rd3 26.Nh5 Be8 (26...Qb6 27.Ng7 Kg7 28.Qf1 Qd4 29.Nf3-+) 27.Qe2 (27.Ng7 Kg7 28.Bb2 Bb4-+) 27...Rc3 (27...Bb5 28.Ng3-+) 28.Nf6 Bf6 29.ef6 Qf6 30.Nf3 Ne6 31.Ne5? (31.Bd2 Rb3 32.Qf2 Bb5-+) 31...Rc1! (31...Nd4?! 32.Qd2 Rc4 33.Qd1-+) 32.Rc1 Nf4 (32...Nd4 33.Qd3 Nb3 34.Qd5 Bf7 35.Nf7 Nc1 36.Ne5 Kg7 37.Nd7+=) 33.Qf3 Ng2 34.Qd5 Bf7 35.Qg2 Qd6 36.Qf2 Bd5 37.Rg1 a3 38.Qf4 (38.Re1 Rb8 39.Re2 Qa6-+) 38...Qb8 (better is 38...Rb8 39.Qc1 a2 40.Kg3-+) 39.h4 (39.Qd2-+) 39...a2 40.Ng6 (40.Qd2 Qb1 41.Qc3 Rb8-+) 40...hg6 41.Rg6 Kf7 42.Rd6 (42.Qb8 Rb8 43.Ra6-+) 42...Qb2 0–1. Frink,Ferenc (2170) – Dobrovolsky,Ladislav (2380), Tatry op Tatranske Zruby, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6 8.Bd3 Nge7)

    9.Ne2 Nf5 10.Nf4 Be7 11.g3 0-0 12.Qh5 Na5 13.Qd1 Nc4 14.Qc2 h6 15.h4 b5 16.Nd2 a5 Black prepares b4 17.Nf3 b4 18.g4 Nh4 19.Nh4 Bh4 20.cb4 Ba6 21.ba5 Na5 22.Ba6 Ra6 23.Nh5 Ra8?? (better is 23...Bg5 24.Qe2 Ra8-/+) 24.Bh6+/- Rc8 25.Qd3 g6? (better is 25...Nc6 26.Bg7 Nb4+-) 26.Nf6! Bf6 27.ef6 (27.Bf8 Qf8 28.ef6 Qb4 29.Kf1 Qc4 30.Qc4 Nc4+- (worse is 30...Rc4 31.Kg2 Rd4 32.Ra5 Rg4 33.Kf1 Rg1 34.Kg1 e5 35.Ra8)) 27...Qf6 28.Ra5 (better is 28.Bf8!? Kf8 29.g5 Qg5 30.Rh8 Kg7 31.Rc8 Nc4+-) 28...Rc4 29.Be3 (29.Bg5 Qg7 30.Be3 Rfc8+-) 29...Rfc8 30.Ra1 Qf3 31.Rg1 Rc1 32.Kd2 ½–½. Koltanyi,Imre (2065) – Hargittai,Szabolcs (2205), HUN–chT2 Erkel, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.Ne2 Nf5 10.g4 Nh4-/+ 11.f4 (11.0-0 h5 12.gh5 Rh5=+) 11...Be7 (11...h5 12.g5-/+) 12.0-0 f5 (12...h5 13.gh5 Rh5 14.Ng3-/+) 13.ef6=+ gf6 14.Ng3 0-0 15.Nd2 (15.g5!? Rf7 16.Qh5=+) 15...e5 16.fe5 (16.Bb2 e4 17.Nde4 de4 18.Ne4 Kh8-/+) 16...fe5-+ 17.Nf5 (17.Rf8 Qf8 (17...Kf8?! 18.Bh7 ed4 19.cd4=+; worse 17...Bf8 18.Kh1-/+) 18.Qb3 Qf7-/+) 17...Nf5 (17...Bf5 18.gf5 Kh8 19.Kh1-+) 18.Bf5 (18.gf5 Kh8-+) 18...Bf5 (18...ed4!? 19.c4-+) 19.gf5 Kh8 (19...ed4 20.cd4 Qd7 21.Kh1-+) 20.de5-/+ Ne5 21.Nf3 (21.Nb3 Qc8 22.Bf4 Rf5-/+) 21...Bc5 (21...Rf5 22.Ne5 Qb6 23.Kh1 Re5 24.Bf4=+) 22.Nd4 (better 22.Kh1!? Rf5 23.Ne5 Re5 24.Bf4-/+) 22...Qh4-+ 23.Bf4 (23.Rf4 Rg8 24.Kh1 Ng4-+) 23...Rf5 24.Qd2 (24.Be5 Re5 25.Kh1 Rg8-+) 24...Nc4 25.Qf2 Qg4 (better 25...Rg8 26.Kh1 Qf2 27.Rf2 Rf7-+) 26.Kh1? (26.Qg3 Rg8 27.Kh1 Bd4 28.cd4-+) 26...Raf8 27.Rg1 (27.Qg3 Rf4 28.Rf4 Rf4 29.Ne6 Qe6 30.Qf4 Qe4 31.Qe4 de4 32.Kg2-+) 27...Qf4 28.Qg2 (28.Qf4 Rf4 29.Ne6 Bg1 30.Nf4 Rf4 31.Kg1 a5-+) 28...Qe4 (better 28...Bd4!? 29.cd4 Qd4 30.Rad1-+) 29.Nf5 (29.Qe4 de4 30.Nf5 Bg1-+) 29...Bg1 30.Rg1 (30.Qe4 de4 31.Ng3 Bb6 32.Ne4 a5-+) 30...Qg2 (better 30...Rf5!? 31.Qe4 de4 32.h3-+) 31.Rg2 (31.Kg2 Rf5 32.Kh3 Rf3 33.Kg4 Ne5 34.Kh4 Rc3-+) 31…Rf5 (31...Rf5 32.Re2 a5-+) 0–1. Janiszewski,Maciej (2095) – Barski,Radoslaw (2410), 5. Poland–HUN Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6 8.Bd3 Nge7)

    9.Ne2 g6 10.0-0 Bg7 11.f4 0-0 12.g4 (12.Nd2 f6+=) 12...f5 13.ef6 Rf6 14.Nd2 Qc7 15.Nf3 Bd7 16.Qe1 Rf7 17.Be3 h6 (17...a5 18.Qh4-/+) 18.Qh4 Raf8 The pressure on f4 grows 19.Kg2 Bf6 (19...b6 20.Ne5 g5 21.fg5 Ne5 22.de5 Qe5 23.Rf7 Rf7 24.Qg3 Qg3 25.Kg3 hg5 26.Ra7-/+) 20.Qh3 (20.Qh6?? Rh7 21.f5 Rh6 22.Bh6 Bg7 23.Bg7 Kg7 24.fg6 Ng6 25.Bg6 Kg6 26.Ne5 Kg7 27.Rf8 Kf8 28.Nc6 Bc6 29.Rf1 Kg8-+) 20...Na5 (better is 20...Rh7!?+=) 21.Ne5+/- White begins to deal mighty blows (21.Qh6? Rh7 22.f5 Rh6 23.Bh6 ef5 24.Bf8 Kf8-+) 21...Be5 22.fe5 Rf1 23.Rf1 Rf1 24.Kf1 h5 (better is 24...Qc8!?+/-) 25.gh5+- Nf5 26.Bf5 ef5 27.hg6 Do you see the mate threat? 27...Bb5 28.Qf5 Be2 (28...Qe7+-) 29.Ke2 Qc4 (29...Nc6+-) 30.Kf2 Qc7 31.Bh6 1–0. Koltanowski,George – Kearns, simul blind, 1938. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.Ne2 Ng6 10.Nd2 Be7 11.Nf3 0-0 12.h4 Re8 13.Qc2 Nf8 14.Ng5 Bg5 15.Bg5 Qc7 16.Qd2 Nb8 17.Qf4 Nbd7 18.Qg4 a6 19.Rh3 Ng6 20.h5 Nde5 21.de5 Ne5 22.Qd4 Nd3 23.Rd3 e5 (better is 23...h6!? 24.Bc1 Qh2=) 24.Qd5+/- Bf5 25.Rg3 Re6 26.Rd1 h6 27.Bc1 Rae8 28.Kf1 Bc2 29.Rd2 Ba4 30.Kg1 Bb5 31.Ba3 Bc4 32.Qc5 Rc6 33.Qe3 Ree6 34.Qe4 b5 35.Qg4 f6?? (35...g6!?+/-) 36.Kh2 (36.Rd8 Re8 37.Re8 Kh7 38.Qg6) 36...Qf7?? (better is 36...g5+-) 37.Qg6 (37.Rd8 Re8 38.Re8 Kh7 39.Qg6 Qg6 40.hg6) 37...Qg6 38.Rg6 f5 39.Ng3 (39.Ng3 Rg6 40.hg6 Rg6 41.Nf5+/-) 1–0. Vostruhin,Oleg (2115) – Rudnev,Yuri (2155), Voronezh op–B, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    9.Nf3 Bd7 10.0-0 Nf5 11.Nbd2 g5 12.g4 Nh6 13.h3 f5 14.gf5 Nf5 15.Nh2 Qe7 16.Nb3 Qf7 17.Ba3 Ba3 18.Ra3 h5 19.Nc5 Nd8 20.Bf5 Qf5 21.Nd7 Kd7 22.c4 g4 (better is 22...dc4!? 23.Qa4 Nc6-/+) 23.cd5= ed5 (23...gh3? 24.Qa4 Nc6 25.dc6 bc6 26.Rg3+-) 24.hg4 hg4 25.Qg4 Ke6 26.Rf3 Qg4 27.Ng4 Nc6 28.Rf6 Ke7 29.Rd1 Rhg8 30.f3 a5 31.Kf2 a4 32.Ne3 Rad8 33.Rb1 Rd7 34.Nf5 Kd8? (better is 34...Ke8 35.Ra1 Rf8 36.Nd6 Rd6 37.Rd6 Nd4 38.Ra4 Rf3 39.Kg2 Rd3 40.Rd5 Rd2 41.Kf1 Nf3 42.Rd2 Nd2 43.Ke2 Nb3+-) 35.Rc6! bc6 36.Rb8 Kc7 37.Rg8 Rh7 (37...Rd8 38.Rg7 Kb6+-) 38.e6 1–0. Gietl,Thomas (2305) – Mueller,Marcus2, Mittelfranken–ch M1, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 Nge7)

    9.Nf3 f6 +=.

    9.Nf3 g6 10.0-0= Bg7 11.Bg5 Qc7 (11...0-0 12.Nbd2=) 12.Qd2 (12.Na3 0-0=) 12...h6 (12...0-0 13.Na3=) 13.Bf4 (13.Be3 Na5 14.Qc2 Bd7=) 13...Bd7 (13...g5 14.Be3=) 14.h4 (14.Na3!? Na5 15.Rfb1=) 14...Na5+= 15.Qc2 a6 16.Nbd2 0-0 17.Nh2 (17.Ra3 Nc4 18.Nc4 dc4+=) 17...Nac6 (17...Rfc8 18.Rfc1+=) 18.Ng4 (18.Ndf3 Rfc8+=) 18...f5 (18...h5 19.Ne3+=) 19.Ne3 Nd8 (19...Rfc8 20.Nb3+=) 20.Nb3 (20.Rfb1 Bc6+=) 20...Nf7 21.Nc5 g5 22.hg5 hg5 (worse is 22...Ng5 23.c4=) 23.Bh2 (23.Nd7 Qd7 24.Bh2 b5+=) 23...Be5-/+ 24.Be5 (24.de5 Qc5 Deflection (24...Qc5 Overloading); 24.Be5 Ne5 Combination) 24...Ne5 25.Rfb1 (25.Rfe1 Nd3 26.Qd3 Rf6-/+) 25...Ra7 (25...Nd3?! 26.Rb7 Qc8 27.Qd3+= (27.Rd7? Nc5 28.Re7 Qd8-+)) 26.Na6 (26.Re1 Nd3 27.Qd3 Rf6-/+) 26...ba6 27.de5 Qe5 (27...a5 28.Re1-/+) 28.Ra6 Rc7 (28...Ra6 29.Ba6 Rf7 30.c4-/+) 29.c4 (29.Ra3 Rfc8 30.c4 dc4 31.Bc4 f4-/+) 29...Rfc8 (29...d4 30.Nf1+=) 30.Qd2 d4 (30...Qg7 31.cd5 ed5 32.g4+=) 31.Nc2 (31.Nf1 Qf4 32.Qe2 g4+=) 31...Qg7-/+ 32.Rd6 Nc6 (32...e5 33.c5-/+) 33.Nb4 (33.c5 e5+=) 33...Ne5-/+ Attacks the isolani on c4 34.Na6 (better is 34.Rd4!? Nf3! 35.gf3 Qd4 36.Qg5 Kf7 37.Kf1-/+) 34...Nc4-+ 35.Bc4 (35.Qb4 Nd6 36.Nc7 Qe7-+) 35...Rc4 36.g3 (36.Rb8 e5-+) 36...R8c6 (36...e5 37.Nb4-+) 37.Rb8 (better is 37.Rd7 Qd7 38.Nb8-+) 37...Rc8 38.Rb3?? (38.Rb1 e5 39.Nb4-+) 38...Rc1-+ 39.Kg2 Bc6 (39...Qh6 40.Qg5 Qg5 41.Rd7 Qh5 42.Rg7 Kg7 43.Rb7 Kf6 44.Rh7 Qh7 45.g4 Qh1 46.Kg3 R8c3 47.Kf4 e5) 40.Rc6 (40.f3 Qh6 41.Qc1 Bf3 42.Rf3 Rc1 43.Rf1 Rc2 44.Rf2 Rf2 45.Kf2 Qh2 46.Kf1 Qg3 47.Rb6-+) 40...Qb7 (better is 40...R1c6 41.Nb4 Rc4-+) 41.Qg5 (41.Rb7 Rc7 42.Qg5 Kh8 43.Qf6 Kg8 44.Qg6 Kf8 45.Rb8 Rc8 46.Rbc8 Ke7 47.Qe6) 41...Kh7 (41...Qg7 42.Qc1 Rd8+-) 42.Qh5 (42.Rb7 Rc7 43.Rbc7 Kh8 44.Qg7) 42...Kg7 (42...Kg8 43.Rb7 Rc7 44.Qg6 Kf8 45.Rb8 Rc8 46.Rbc8 Ke7 47.Qe6) 43.Qg5 Kf7?? (43...Kh7 44.Rb7 Rc7 45.Rbc7 Kh8 46.Qg7) 44.Qh5 (44.Rb7 Rc7 45.Rbc7 Ke8 46.Qe7) 44...Kg7 45.Qg5 Kh7 46.Qh5 +-. Brenc,Tomislav – Biti,Ozren (2260), CRO–chT Pula, 1999. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.Nf3 Ng6 10.h4 Be7 11.h5 Nh4? (better is 11...Nf8=) 12.Nh4+- Bh4 13.Qg4 Be7 14.Qg7 Kd7 15.Qf7 Qf8 16.Qf8 Rf8? (16...Bf8 17.h6+-) 17.Ba3 (better is 17.Bh7!? b5 18.Be3+-) 17...Ba3 18.Na3 a6? (18...h6 19.Nb5+-) 19.Nb5! h6 (19...ab5 20.Ra8 Pinning (20.Ra8 Deflection; 20.Ra8 Clearance)) 20.0-0 Ke7 21.Nd6 Nd8 22.Rfb1 Rg8 23.Bg6 Rg7 (23...a5 24.Ra3+-) 24.f4 Kf8 25.g4 White prepares the advance f5 25...Rc7 26.Rb3 Bd7 27.f5 b5 28.f6 Nb7 (28...Rc6 29.g5! hg5 30.Rba3+-) 29.g5! Nd6 (29...hg5 30.h6 Passed pawn) 30.ed6 Rc6 31.gh6 Kg8 32.Rb5 Rf8 33.Rb7 Rd6 34.Ra6! Ra6 35.Rd7 Rc6 (35...Ra1 36.Kg2 Ra2 37.Kg3+-) 36.Rg7 Kh8 37.Rh7 Kg8 38.f7 Rf7 39.Rf7 (39.Rf7 Rc8 40.Rf6+-; worse is 39.Bf7 Kh7 40.Kf2 Kh6-+ (40...Rc3?! 41.Be6 Rc4 42.Ke3=)) 1–0. Marshall,Frank James – Taylor,J, simul Chicago, 1915. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6 8.Bd3 Nge7)

    9.Nf3 Ng6 10.h4 Nge7 11.Na3 (11.Ng5 h6 12.Nh7 Nf5 13.Nf8 Kf8 14.Ba3 Kg8=) 11...Bd7 Black has a cramped position. Black's piece can't move: f8 12.Nb5 White has a mate threat 12...Nc8 Black has a cramped position (12...Nf5 13.Bf5 ef5 14.Bf4+=) 13.Ng5 f5?? (better is 13...Qb6 the rescuing straw 14.Rb1 Qa5+=) 14.ef6!+- Double attack: h7/e8. . . . . . (14.ef6 Qf6 15.Nh7 Rh7 16.Bh7+-) 1–0. Valera,Jesus – Romero,Alberto, VEN–chT Barquisimeto, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.f4 Nf5 10.Nf3 Be7 11.0-0 0-0 12.g4 Nh6 13.f5 (13.h3+=) 13...ef5 (13...Ng4!? 14.h3 ef5 15.hg4 fg4+=) 14.g5= Ng4 15.h3 a6 (15...Re8 16.Qe2=) 16.hg4 (16.Qc2!? Nge5 17.de5 Bc5 18.Kg2+=) 16...fg4+= 17.Nh4 Bg5 18.Nf5 Bc1 (18...Bf5 19.Bf5 h5 20.Kg2=) 19.Qc1 Bf5 (19...f6 20.ef6 Qf6 21.Ne3=) 20.Bf5 h5 21.Ra2 (21.Qf4=) 21...g6 (21...g3!?=) 22.Qh6+= g3?? (22...Ne7 23.Bg4 Qc7+-) 23.Bg6!+- fg6 (23...fg6 24.Qg6 Double attack) 24.Qg6 Kh8 25.Qh5 Kg7 26.Qg4 Kh7 27.Qh3 Kg6 28.Rf8 (28.Rf8 Qf8 29.Qg3 Kf7 30.Rf2 Ke7 31.Qg5 Ke6 32.Qg6 Kd7 33.Rf8 Rf8 34.Qg7 Ke8 35.Qb7 Rg8 36.Kf2+-; 28.Qg3?! Qg5 29.Qg5 Kg5 30.Rg2 Kh6+=) 1–0. Vaclavik,A (1930) – Hlavac,R (2150), 2nd Highlands Open A, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6N 6.ab4 Nb4 7.c3 Nc6 8.Bd3 Nge7)

    9.f4 g6 10.Nf3 Bg7 11.Na3 a6 12.Nc2 0-0 13.h4 h5 14.Ne3 Nf5 15.g4 Ne3 16.Be3 hg4 17.Ng5 b5 (17...f5!?+=) 18.h5 f5 19.ef6 Bf6 (worse is 19...Qf6 20.Bg6 Rd8 21.Nf7+/- (21.Qg4 e5 22.f5 ed4 23.Bf7 Kf8 24.Nh7 Kf7 25.Nf6 Ne5+-)) 20.hg6 Bg5 21.fg5 e5 (21...Rf3 22.Qe2=) 22.Qe2 ed4?? (better is 22...Rf3 23.de5 Qe7+=) 23.Qh2 (23.Rh8 Kg7 24.Bd4 Nd4 25.Qe5 Rf6 26.gf6 Qf6 27.Rh7 Kg8 28.Qe8 Qf8 29.Rh8 Kh8 30.Qf8) 23...Rf1 24.Bf1 Kf8 25.cd4 Bf5 (25...Ke8 26.Qh8 Kd7 27.Rh7 Ne7 28.Qe5+-) 26.Qh7 (26.Qh8 Ke7 27.Qg7 Ke6 28.Qf7 Kd6 29.Bf4 Ne5 30.Be5 Kc6 31.Rc1 Kb6 32.Bc7 Kb7 33.Bd8 Bd7 34.Qd7 Kb8 35.Rc8) 26...Ra7 27.g7! Rg7 28.Qf5 Kg8 29.Bd3 (29.Qe6 Rf7 30.g6 Ne5 31.de5 Qe7 32.gf7 Qf7 33.Qc8 Qf8 34.Rh8 Kf7 35.Rf8 Kg7 36.Rg8 Kf7 37.Qe8) 29...Qe7 (29...Qe8 30.Kd2 Ne7 31.Qe6 Qf7 32.Qa6 Qf8 33.Qe6 Rf7 34.Bh7 Kg7 35.Qe5 Rf6 36.Ra7 Kh8 37.gf6 Nc6 38.Be4 Kg8 39.Qd5 Qf7 40.Qf7) 30.Qd5 (30.Kd1 Rf7 31.Qg6 Rg7 32.Qc6 Qf8 33.Qe6 Rf7 34.g6 Kg7 35.Rh7 Kg8 36.gf7 Qf7 37.Qf7) 30...Rf7 31.Ke2 (31.Bh7 Kg7 32.Be4 Nb4 33.Ra6 Rf1 34.Rf1 Nd5 35.Rg6 Kh8 36.Rh1 Qh7 37.Rh7 Kh7 38.Ra6 Kg8 39.Bd5 Kg7 40.Ra7 Kf8 41.g6 Ke8 42.g7 g3 43.g8Q) 31...Nb4 32.Qe5 (better is 32.Bh7! Kg7 33.Qe4 Qe4 34.Be4 Kg8+-) 32...Qe5 33.de5 Nd3 (33...Re7+-) 34.Kd3 Rf3 35.Ke4 Rh3 36.Rh3 gh3 37.Rh1 Kg7 38.Rh3 Kg6 39.Rh6 Kf7 40.Ra6 b4 41.Rb6 b3+- 42.Kf5 White plans g6 42...b2 43.g6 Kg8 44.Kf6 b1Q 45.Rb1 Kf8 46.Rb8 1–0. Stone,Jim – Matei,Adrian, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6 7.Bd3 d5 8.e5 Nge7)

    9.f4 Ng6 10.Nf3 +=.

    9.Bg5 h6 10.Bh4 Qd7 11.f4 Nf5 12.Bf2 b6 13.Nf3 a5 14.Qe2 Nfe7 15.0-0 Ng6 16.Be3 Be7 17.Nbd2 0-0 18.Rfb1 Bd8 19.Nf1 Nce7 20.g4 f5 21.g5 Bb7 22.Ng3 Qc8 23.gh6 gh6 24.Bd2 Ba6 25.Ba6 Ra6 26.Kf2 Ra8 27.Qf1 Kh7 28.Qh3 Rh8 29.Nh5 Kg8 30.Nf6+= Kf7 31.Qh5 1–0. Noire,Eric – Starace,Umberto, IECG, 1998.

    9.Nh3 Nf5 10.0-0 Be7 11.Na3 (11.Nf4 0-0+=) 11...0-0 12.Nc2 (12.Nf4 f6 13.Bf5 ef5+=) 12...f6 13.g4 (13.ef6!? Bf6 14.Bf5 ef5 15.Ne3+=) 13...Nh4-/+ 14.ef6 Rf6 15.f4 Rf7 (15...Ng6 16.Ba3-/+) 16.Ba3 h6 17.Be7 Ne7 18.Ne3 White prepares f5 18...Qc7 19.Qe1 Nhg6 f4 becomes the focus of attention 20.f5 ef5 21.gf5 Nf8 22.Ra2 (22.c4 Qb6 23.Qc3 Qf6+=) 22...Bd7 (22...b5 23.Nf4 Qd6 24.Bb5 Bf5 25.c4+=) 23.Rg2 (23.c4 Qd6+=) 23...Re8 24.Qd2 Nh7 25.Ng4 Kh8 (worse is 25...Nf5 26.Bf5 Kh8 27.Bd7 Rf1 28.Kf1 Qd7 29.Qd3+-) 26.Ne5 Rf6 27.Ng4 (27.Nf4 Ng5+= (27...Bf5? 28.Bf5 Ng5 29.Qd3+-)) 27...Rf7 (27...Rf5 28.Bf5 Bf5 29.Rg3=) 28.Ne5 Rf6 29.Ng4 (29.Nf4 Ng5 (29...Bf5 30.Bf5 Ng5 31.Qd3 Nf5 32.Nd5+-) 30.Neg6 Rg6 31.fg6 Nh3 32.Kh1 Nf4 33.Rf4 Qd6+/-) 29...Rf7 (29...Rf5 30.Bf5 Bf5 31.Ne5=) 30.Ne5 ½–½. Pundt,Wilfried (1795) – Walkewitz,Hubert (2050), Berlin GER, Team Senior Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.Nh3 g6 10.Bg5= Bg7 11.Na3 0-0 12.Nc2 (12.0-0 f6 13.ef6 Bf6=) 12...f6 (12...h6 13.Bf4-/+) 13.ef6=+ Bf6 14.Bf6 Rf6 15.f4 Bd7 16.Ne3 a6 (16...Nf5 17.Nf5 ef5 18.0-0=+) 17.g4 (17.0-0 Qc7=) 17...Rc8 (17...Na7 18.0-0=+) 18.g5 (18.0-0 Na7-/+) 18...Rf8 19.Ng4 Nf5 20.Qe2 Nce7 21.Nf6 Kh8 22.Qb2 (22.Qe5 Nc6 23.Qe2 Rf6 24.gf6 Qf6=+) 22...Nd6 23.Nf2 (23.0-0 Bb5 24.Rad1 Nef5-/+) 23...Bb5-+ 24.h4 Ng8 25.Ng8 (25.h5 Nf6 26.hg6 Rc7-+) 25...Kg8 (25...Rg8?! 26.h5 gh5 27.Rh5-/+) 26.h5 (better 26.Qe2 Bd3 27.Nd3-+) 26...Rf4 27.Nh3 (27.hg6 Qg5 28.gh7 Kh8 29.Bb5 Nb5-+ (worse 29...ab5 30.Ra2 Qg3 31.Qd2-+)) 27...Rf3 (27...Bd3?! 28.Nf4 Be4 29.Rh3 (29.Ne6?? Qe7 30.hg6 Bh1 31.gh7 Kh8-+) 29...Qg5 30.Qh2-+) 28.Bb5 ab5 (28...Nb5 29.hg6 Rcc3 30.gh7 Kh8 31.Rc1 Rc1 32.Qc1 Qa5 33.Kd1 Qa4 34.Ke1 Qb4 35.Kd1 Qd4 36.Qd2-+) 29.Qe2? (29.hg6 Re3 30.Kd1 hg6 31.Qh2 Rd3 32.Ke2 Rcc3 33.Nf2-+) 29...Rcc3 30.Qe6 Nf7 31.Kd2 Qc8 (better 31...Kf8 32.hg6 Qc7 33.Ra8 (33.gf7?? Rcd3 34.Ke2 Qc2 35.Ke1 Qd2) 33...Kg7 34.Rg8 (34.gf7 Rcd3 35.Ke2 Qc2 36.Ke1 Rd1) 34...Kg8 35.gf7 Rf7 36.Qe8 Kg7 37.Qe5 Qe5 38.de5-+) 32.Qc8 Rc8 33.Ke2 Rfc3 (33...Rg3 34.Ra7-+) 34.hg6 hg6 35.Nf4 Ng5 36.Nd5 Rc2?? (better 36...Re8 37.Kd1 Rc6-+) 37.Kd3= Kg7 38.Ra7 Rf2 39.Rb7 Rf7 40.Rb5 Rf3 41.Ne3 Re8 ½–½. Guo,Xi_Yang (1850) – Milnes,Anthony Cp (2125), Hastings Masters, 2007. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.h4 Rb8 10.Ba3 Nf5 11.Bf8 Kf8 12.Nf3 h5 13.Bf5 ef5 14.Nfd2 b6 15.Na3 a6 16.Nc2 a5 17.Qf3 g6 18.0-0 Be6 19.Ne3 Attacking the isolated pawn on d5 (19.Qg3 Kg7=) 19...Kg7 (19...Qh4 20.Rfb1 Kg7 21.Rb5-/+) 20.Rfb1 (20.Qf4 Re8=) 20...b5 (20...Qh4 21.Rb5 Na7 22.Rb3-/+) 21.Nb3 a4 22.Nc5 b4 (22...Qh4 23.Nd5 Rhc8 24.Ne6 fe6 25.Nf6+=) 23.Qf4 (23.Na6 Rb6 24.Nb4 Nb4 25.cb4 Qh4 26.Nd5 Bd5 27.Qd5 Rd8+=) 23...bc3= 24.Rc1 (worse is 24.Ne6 fe6 25.Rc1 Qa5-+) 24...Rb4 25.Nc2 (worse is 25.Ra4 Nd4 26.Kf1 Ra4 27.Na4 Nb3 28.Rc3 d4-+) 25...Rc4 26.Ra4 Ra4 27.Na4 Qa5 28.Nc5 Rc8 29.Nd3 Qd8 30.Qg3 Qb6 31.Qe3 Qd8 32.g3 Qb6 33.Nc5 1–0. Maraczi,Erno (2125) – Kanyadi,Zoltan (2100), Debrecen Karneval Cup, 2008. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.h4 Bd7 10.h5 Ng8 (10...f6 11.ef6 gf6 12.Qf3+=) 11.h6 (11.Nf3 Qc7+=) 11...Nh6 12.Bh6 gh6 13.Ne2 (13.Nd2 Rg8 14.Rh2 a5+=) 13...f6-/+ 14.Nf4 (14.Ng3 fe5 15.Qh5 Ke7 16.de5 Be8-/+) 14...Qe7 (14...fe5!? 15.Qh5 Ke7 16.Qh4 Kf7 17.Qh5 Kg8-+) 15.Qh5 Kd8 16.ef6 (16.Nd2 a5-/+) 16...Qf6 17.g3 Kc7 (17...Bd6 18.Rh4-/+) 18.Qd5 (18.Na3 Rg8+=) 18...Bd6 (18...Qf4! 19.Qd7 Kd7 20.gf4 Rg8+=) 19.Qe4 (19.Qh5 Bf4 20.gf4 Qf4 21.Qh6 e5=) 19...Raf8 (19...Bf4 20.gf4 Nb4 21.Rh5+= (worse is 21.cb4 Bc6 22.Qe5 Qe5 23.fe5 Bh1-+)) 20.Na3 (20.Rh4 Kd8=) 20...a6 (20...Bf4!? 21.Nb5 Kb8 22.gf4 Qf4+=) 21.Rh4+= Qg5 (better is 21...Kd8 22.Nc4 e5 23.Nd6 Qd6 24.de5 Qe5 25.Qe5 Ne5+=) 22.Rh5 (better is 22.Ne2+=) 22...Rf4-/+ 23.Qh1 Qe7 24.Nb5 ab5 25.gf4 b4 (25...Bf4?! 26.Rb5 Rb8 27.Rab1-/+) 26.cb4 (26.Be4 bc3 27.Rc1 Qg7-+) 26...Bb4 27.Kf1 (27.Kd1 Nd4 28.Rh6 Bc3-+) 27...Qd6 28.d5 (28.Rd1 Qd4 29.Rh6 Bc5-+) 28...ed5 29.Qh4 (29.Qh2 Bd2 30.Rh6 Qf4 31.Qf4 Bf4 32.Rh7 Rh7 33.Bh7 b5-+) 29...Rf8 (29...Bd2 30.Rh6 Qf4 31.Qf4 Bf4 32.Rh7 Rh7 33.Bh7-+) 30.f5 (30.Rh6 Rf4 31.Qg5 Qf8-+) 30...Qe5 31.Rb1 (31.Rd1 Be7 (worse is 31...Bf5 32.Bf5 Rf5 33.Rh6-+) 32.Qa4 Bf5 33.Bf5 Rf5 34.Rf5 Qf5-+) 31...Qc3 (31...Bf5?! 32.Bf5 Rf5 33.Rh6-+) 32.Qg3 Kc8 (better is 32...Kd8 33.Rh6 Rf7 34.f6-+) 33.f6 (33.Rh6 Ne5 (33...Bf5?! 34.Bf5 Rf5 35.Qc3 Bc3 36.Rh7-+) 34.Rb4 Qc1 (34...Qb4?! 35.Qe5 Qd2 36.Rh3-/+; worse is 34...Nd3 35.Rb1-+; worse is 34...Qd3 35.Qd3 Nd3 36.Rd4 Bf5 37.Ke2-+) 35.Ke2 Qh6-+) 33...Qf6 (33...Bd6! 34.Qe3 Re8 35.Rc1-+) 34.Rd5 Be6 35.Rb5 (35.Rh5 Qd4 36.Be2 Bc5 37.Rc5 Qc5-+) 35...Bd6 (better is 35...Qd4!? 36.Rd1 Bc4 37.Bc4 Qd1 38.Kg2-+) 36.Qe3 Nd4 (better is 36...Rf7!? 37.Ke1-+) 37.Rb7 Qf4 (37...Qh4 38.Be4 Bc4 39.Ke1 Rf2 40.Rc7 Bc7 41.Bf5 Rf5 42.Kd2 Qh2 43.Qf2 Qf2 44.Kc3 Qc2 45.Kd4 Qd3) 38.Ba6?? (38.Qf4 Bh3 39.Kg1 Rf4 (39...Bf4?! 40.Kh1-+) 40.Rb8 Bb8 41.Ba6 Kc7 42.Rb7 Kd6-+) 38...Qe3 (better is 38...Bc4! 39.Ke1 Nc2 40.Kd2 Ne3 41.Rf7 Ba6 42.Rf4 Nf1 43.Kd1 Bf4-+) 39.R7b3 (39.Rf7 Kd8 40.Rf8 Bf8 41.fe3 Nb3-+) 39...Kc7 (39...Kd7 40.Re3 Bd5 41.Rd1-+) 40.Re3 Bf5 (better is 40...Bd5 41.Rd1 Bc5 42.Red3-+) 41.Rc1? (41.Rc3 Kd7 42.Rd1 Ne6-+) 41...Kd7 (better is 41...Kb6!? 42.Ra1 Nc2 43.Rb3 Bb4 44.Ra4-+) 42.Rd1 Bc5 43.Bd3 Bg4 (43...Be6 44.Bh7 Ke7 45.Re5-+) 44.Be2 Be2 45.Re2 Kd6 (45...Rf4 46.Re5 Rh4 47.Rd3-+) 46.Re4 Kd5 47.Rh4 Rf6 48.Kg2 Bb6 (48...Rg6 49.Kh3-+) 49.f3 Rg6 (49...Bc5 50.Rh5 Kc6 51.Rc1-+) 50.Kf2 (50.Kh3 Bc5-+) 50...Kc4 (50...Re6 51.Kg3-+) 51.Ke3 Rd6 52.Re4 (better is 52.Rc1 Kb3 53.Ke4-+) 52...Kc3?? (better is 52...h5-+) 53.Rd3= Kc4 54.Rd1 Kc3?? (better is 54...h5-+) 55.Rd3= Kc4 (55...Kb4 56.Red4 (56.Rdd4?? Kc3-+) 56...Bd4 57.Rd4 Rd4 58.Kd4=) 56.Rd1 ½–½. Jurkovic,Hrvoje (2370) – Piven,Igor (2385), Schwarzach op–A, 1999. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6N 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

    9.h4 Bd7 10.h5 h6 11.f4 Na5 12.Nf3 Nc4 13.Nh4 Nf5 14.Nf5 ef5 15.Bc4 dc4 16.d5 Bc5 17.Qf3 0-0 18.Ke2 b5 19.Be3 Qb6 20.Rd1 Rfd8 21.Bc5 Qc5 22.Qe3 Qc7 23.Rd2 a5 24.Rda2 Qb7 25.Ra5 Ra5 26.Ra5 Qd5 27.Qf3 Qe4 28.Qe4 fe4 29.Nd2? (better is 29.Na3 Bg4 30.Ke3-/+) 29...Bg4-+ 30.Ke1 Rd3 31.Rb5 Rc3 32.e6 fe6 33.Re5 Re3 34.Kf1 c3 35.Nb3 c2 36.Nc1 Rd3! 37.Re4 (37.Nd3 ed3 Passed pawn) 37...Rd1 38.Re1 Bh5 39.Kf2 Bg4 40.g3 0–1. Wartlick,Karl (2070) – Bagaturov,Giorgi (2540), Boeblingen op, 1998. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 e6 8.Bd3 Nge7)

    8.Bd3 f5

    9.Nf3 Bd7 A) 10.0-0 a6 11.Nbd2 (11.c4 dc4 12.Bc4 Nge7 13.Bg5 h6 14.Be3 b5 15.Bb3 Na5 16.Ba2+=; 11.Be3 b5 12.Nbd2 Ra7 13.Ra2 Be7 14.Qa1 g5 15.Nb3 f4 16.Bd2+=; 11.Ba3 Ba3 12.Na3 b5 13.Nd2 Nge7 14.Qh5 Ng6 15.Nf3 Nce7 16.Rfb1+=) 11...b5 12.Nb3 Qc8 13.Ba3 Nge7 14.Re1 Nd8 15.Nc5 Nb7 16.Nb7=; B) 10.Nbd2 a6 11.0-0 b5 12.Ba3 Ba3 13.Ra3 b4 14.cb4 Nb4 15.Be2 Ne7 16.Nb3=.

    9.Nf3 Be7 10.0-0 a6= 11.Nbd2 (11.Ba3 Bd7 12.Nbd2 Ba3 13.Ra3 Nge7 14.Qb1 Qc7 15.c4 0-0 16.Rc1=; 11.Qb3 Ra7 12.Ba3 b5 13.Nbd2 Nh6 14.Rfb1 0-0 15.Be7 Qe7 16.Be2+=; 11.Be3 Bd7 12.Re1 b5 13.Re2 Qc7 14.Rea2 Qb6 15.Qb3 Ra7 16.Nbd2=; 11.c4 Nb4 12.c5 Nd3 13.Qd3 b6 14.Ba3 bc5 15.Bc5 a5 16.Rc1=) 11...Nh6 12.Ba3 Ba3 13.Ra3 0-0 14.Qa1 Ng4 15.Rb1 Qc7 16.c4 +=.

    9.Nf3 Be7 10.h4 Bd7+= (10...a6 11.Rg1 (11.g4 Bf8 12.Rg1 Nge7 13.Bg5 Qb6 14.h5 fg4 15.Rg4 Nf5 16.Qc2+=; 11.Rh3 Bd7 12.Rg3 Kf8 13.Nbd2 b5 14.Ba3 Ba3 15.Ra3 b4 16.cb4=) 11...Bd7 12.g4 fg4 13.Ng5 Bg5 14.Bg5 Nge7 15.Qg4 g6 16.h5+=; 10...b6 11.Rg1 a5 12.g4 fg4 13.Ng5 Bg5 14.Bg5 Qd7 15.Qg4 Ba6 16.Bc2=; 10...a5 11.Rg1 (11.g4 Qc7 12.Rg1 Bf8 13.Bg5 fg4 14.Rg4 b6 15.Nbd2 Ba6 16.Ba6+=) 11...Bd7 12.g4 fg4 13.Ng5 Bg5 14.Bg5 Qb6 15.Qg4 g6 16.h5+=) 11.g4 (11.Rh3 a6 12.Rg3 Kf8 13.Ba3 b5 14.Nbd2 Ba3 15.Ra3 b4 16.cb4=; 11.Bg5 a6 12.Be7 Nge7 13.h5 0-0 14.Nbd2 Qc7 15.h6 g6 16.0-0+=; 11.Ba3 a6 12.Nbd2 Ba3 13.Ra3 Nge7 14.Qb3 b5 15.h5 Qc8 16.h6+=) 11...fg4 (11...Bf8 12.gf5 ef5 13.Qb3+= Qc7 14.Rg1 Nge7 15.Na3 Na5 16.Nb5=; 11...g6 12.gf5 ef5 13.Qc2 Bf8 14.h5 Nh6 15.Qb3 Qc7 16.Bh6=) 12.Ng5= Nh6 (12...Bg5 13.hg5 Nge7 14.Bh7 Qc7 15.Qg4 Na5 16.Ba3+=) 13.Nh7 Rh7?? (better is 13...Qb6= 14.Ra2 Rg8 15.Bg5 Qc7 16.Nd2=) 14.Bh7 Bh4?? (better is 14...Qb6+-) 15.Bh6 gh6 16.Qg4 Qg5 (16...Bf2 17.Kf2 Qe7 18.Rh6+-) 17.Bg6 (better is 17.Qh4!? Qh4 18.Rh4 Kf7 19.Rh6 Kg7+-) 17...Ke7 18.Qh4 Qh4 19.Rh4 Rg8 (19...Rh8 20.Ke2+-) 20.Rh6 Kf8 (20...Rg7 21.Nd2+-) 21.Nd2 (21.Bd3 Rg1 22.Ke2 b6+-) 21...Ne7 (21...Kg7 22.Rh7 Kg6 23.Rd7+-) 22.Bd3 Rg1 23.Nf1 Nf5 (23...Nc6 24.Kd2+-) 24.Bf5 ef5 25.0-0-0 (25.Ra7 Bb5 26.Rb7 Rf1 27.Kd2 Rf2 28.Ke3 Rg2 29.Rh8 Rg8 30.Rg8 Kg8 31.Rb5 Kf7 32.Rd5 Ke7+-) 25...Ba4 26.Ne3 Bd1 27.Nd1 1–0. Golovchenko,G (2350) – Kulago,A (2095), Lushki B, Serpukhov RUS, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 e6)

    9.f4 Nge7 10.Nf3 h6 11.Nh4 (11.0-0 Ng6=) 11...h5 (11...Kf7 12.0-0+=) 12.Na3= a6 13.Nb5 Ng8 14.Ng6 Rh6 15.Nf8 Kf8 16.Nd6 Qc7 17.0-0 Nge7 18.Bd2 Bd7 19.Qb3 The backward pawn on b7 becomes a target 19...Nd8 (19...Ra7 20.Bc1 Na5 21.Qc2+=) 20.c4+/- Bc6 21.Bb4 (21.c5+/-) 21...g6 (21...dc4 22.Qc4 Qd7 23.Ra5+=) 22.Be2 (22.Ba5 Qd7 23.c5 Nf7+/-) 22...Kg7 23.Qg3 (23.Ba5!? Qd7 24.c5 Nf7+/-) 23...dc4 24.Bc4 Nd5?? (better is 24...Qd7+=) 25.Bd5+- ed5 (25...h4 26.Qc3 Qd7+-) 26.Qg5 (26.Nf5 Kh8 27.Nh6 Qg7+-) 26...Nf7?? (better is 26...Kh7+=) 27.Qf6+- Kg8 28.Rfe1 (better is 28.Ba5 g5 29.Qh6 Qd6 30.Qd6 (30.ed6?! Nh6 31.fg5 Nf7+-) 30...Nd6 31.ed6 gf4 32.Rae1+-) 28...Nd6+/- 29.ed6 (29.Bd6 Qg7 30.Qh4 Re8+=) 29...Qf7? (better is 29...Qg7!? 30.Qg7 Kg7 31.Re7 Kg8=) 30.Qg5+/- Qg7 31.Bc5 Rh7? (31...Qh8 32.Re6+/-) 32.Re7 (better is 32.Re6 Qh8 33.Rg6 Rg7 34.Qf5 Rg6 35.Qg6 Qg7 36.Qh5+-) 32...Qh6+= 33.Qf6 Re8?? (better is 33...Re7 34.de7 Qg7+=) 34.Qe6+- 1–0. Capablanca,Jose Raul – Failing,WH, New York simul2, 1922. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

    9.g4 g6 10.gf5 ef5 11.Nh3 Bh6 (11...Be6 12.Nf4 Qc8 13.Rg1=+) 12.Na3 Bc1 13.Qc1 Qh4 (13...Na5!? 14.Qg5 Qg5 15.Ng5 a6=+) 14.Nf4+= Nge7 15.Nb5 0-0 16.Nc7 Attacking the isolated pawn on d5 16...Rb8 17.Qe3 White prepares the advance e6 17...Kh8 18.Rg1 (18.Ncd5?! g5=+) 18...g5 19.Nfd5 f4 20.Qe2 g4 (better 20...Qh2 21.Kd2 Nd5+-) 21.e6?? (better 21.Ne7 Qe7 22.Nd5+-) 21...Nd5=+ 22.Nd5 Be6! 23.Nc7 (23.Qe6 Rbe8 Pinning (23...Rbe8 Decoy)) 23...Bd7 24.d5 Qf6 (24...Qh2 25.dc6 Rf5 26.Kd2+-) 25.Kf1? (25.Kd1 Nb4! 26.Qe4 Nd3 27.Qd3 a6-+) 25...Ne5 (25...Qc3 26.Rd1 Ne5 27.Qc2 Qc2 28.Bc2-+) 26.Re1? (26.Qe4 Rf7 A) 27.Ra7?? Nf3 (27...Nd3?! 28.Qd3 Bf5 29.Qc4-+) 28.Qb4 Qe5-+ (worse 28...Nh2 29.Ke2 Qe5 30.Kd1-+); B) 27.Kg2-+) 26...Nf3 (26...g3 27.Ne6 gf2 28.Qe5 fe1R 29.Qe1-+) 27.Qe7 Bf5 (27...Qf7 28.Qf7 Rf7 29.Ra1-+) 28.Qf6 Rf6 29.Bf5 Rf5 (29...Ne1?! 30.Bg4 Nd3 31.Ke2-/+; 29...Ng1?! 30.Bg4 f3 31.Ra1=+) 30.Re7 Rd8 (30...Ng1 31.Kg1 Kg8 32.c4-+) 31.c4 Ng1 32.Kg1 h5 (better 32...Rdf8-+) 33.Ne6=+ Rd6 34.Rb7 Ra6 35.Rb1 f3 36.Rd1 Re5 37.h3 Ree6 (37...Ra2 38.d6 g3+-) 38.de6=+ Re6 (38...gh3?? 39.Re1+-) 39.hg4 hg4 40.Kh2 Kg7 41.Rd7 Kf6 42.Ra7 Rc6 (42...Re1!?=) 43.Ra4+- Kf5 44.Kg3 Rh6 45.Ra5 Ke4 46.Ra8 (better 46.c5+-) 46...Rc6?? (better 46...Rh1 47.Kg4 Rg1 48.Kh4 Rg2=) 47.Rg8+- (47.Kg4?! Rg6 48.Kh4 Rg2=) 47...Kd3 (better 47...Rf6!?+-) 48.Rg4 (48.Kg4?! Ke2 49.Kg3 Rc4 50.Re8 Kf1+-) 48...Rc5 49.Kf3 Rc8 50.Kg3 Rc7 51.Rf4 Rg7 52.Kh4 Rg1 53.c5 Rc1 54.Rf5 Ke4 55.Kg5 1–0. Gurkin,Anton (2175) – Onoprienko,Vladimir (2370), Moscow Open A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 f5)

    9.Nh3 g6 10.Nf4 Nh6 11.Nd2 Nf7 12.h4 (12.0-0 Bd7=) 12...Be7 13.Nf3 0-0 14.h5 g5 15.Ng6 Re8 16.Ne7 Qe7 17.h6 Kh8 18.g4 Rg8 19.Ba3 Qd7 20.Qc2 Ne7 21.Rh5 Rg6 (21...Ng6 A) worse is 22.Ng5 Nge5 (22...fg4 23.Bb5 Ng5 24.Bd7 Nf3 25.Kd1 Bd7 26.Bc1+/-) 23.Nf7 Nf7+=; B) 22.gf5 Nf4 23.fe6 Qe6 24.Rh1 Nd3 25.Qd3=) 22.0-0-0 (better is 22.Bc1!?+/-) 22...Ng8 (worse is 22...Nh6 23.Rdh1 Kg7 24.Kd1+/-; 22...Rh6?! 23.Ng5 Rh5 24.Nf7 Kg7 25.gh5 Kf7 26.Rg1+=) 23.Bf8 (23.Rdh1 Qe8=) 23...Ne7 (better is 23...Ngh6!? 24.Ng5 Ng5 25.Bh6 Nf7+=) 24.Rg1 Kg8 25.Bg7 a5 26.Bf6 g5 draws heavy fire 26...a4 27.Rhh1 (27.Ng5 a3+=) 27...Rh6 28.Ng5 Ng6?? (28...Rh1!? 29.Rh1 Ng5 30.Bg5 Nc6=) 29.Nf7 (29.gf5 ef5 30.e6 Rh1 31.Rh1+- (31.ed7? Rg1 32.Kd2 Bd7-+)) 29...Rh5?? (better is 29...Rh1 30.Rh1 Qf7 31.gf5 ef5 32.Bf5 Bf5 33.Qf5 Re8+/-) 30.gh5+- 1–0. Behle,Karl Willi (2285) – Kildal,Helge (1950), GER–chT Seniors, 1999. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    7.e5 Bf5

    8.Ba3 e6 9.Bf8 Kf8 10.Bd3 Nge7 11.Ne2 h5 12.Na3 a6 13.0-0 Rc8 14.Nf4 g6 15.Qd2 Kg7 16.Rfb1 Rc7 17.Bf5 Nf5 18.Nd3 Qe7 19.Nc2 Rhc8 20.Rb3 ½–½. Schuette,Marc – Groenegress,Wilfried (2205), OWL–ch Helmern, 1989. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Na3 e6 9.Bd3 Nge7 10.Nf3 Bd3 11.Qd3 Nf5 12.0-0 Be7 13.Bd2 Rc8 (13...0-0 14.Rfb1 b6 15.Nc2-/+) 14.Rfb1 b6 (14...Ba3 15.Ra3 Qd7 16.Bg5-/+) 15.Nb5=+ Qd7 16.g4 Nh4?? (better 16...Nh6 17.Bh6 gh6=+) 17.Nh4+- Bh4 18.Nd6 Kf8 19.Nc8 Qc8 20.c4 Qd7 21.c5 bc5 22.Qb5 Ke7? (better 22...Ke8+-) 23.Qc5+- (23.Qc5 Ke8 24.Rc1 Ne5 25.de5+-; 23.dc5?! Rd8 24.Qa6 Kf8+- (24...Ne5?? 25.Rb7 Qb7 26.Qb7 Rd7 27.Qb8+-)) 1–0. Janek – Kevin, internet free game, 2016. (=1.b4 c5 2.e4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Qb3 Rb8 9.Nf3 e6 10.Be2 Nge7 11.Nh4 Bg6 12.Ba3 Nf5 13.Ng6 hg6 14.Bf8 Kf8 15.Nd2 Kg8 16.g3 a6 17.Bd3 Qc7 18.0-0 Kh7 19.Rfb1 Rhc8 20.Qa2 Qe7 21.Nf3 Rc7 22.Rb6 Rbc8 23.Qd2 Nd8 24.Ng5 Kg8 25.Rb3 Rc6 26.Rba3 Rb6 27.Qf4 Nh6 28.R1a2 Rcc6 29.Qd2 Rc7 30.h4 f6 31.ef6 gf6 32.Ne6 Re6 33.Qh6 Re1 34.Kg2 g5 35.hg5 fg5 36.Qh5 Rc6 37.Ra1 Rce6? (better is 37...Ra1!? 38.Ra1 Rc3+/-) 38.Re1+- Re1 39.Ra2 (39.Ra5!? Ne6 40.Rd5+-) 39...Ne6+/- 40.Ra5 Rc1? (better is 40...Nc7+/-) 41.Rd5+- Rc3 42.Re5 Qf7 43.Bg6 Qd7 44.Bf5 (44.Bf5 Rc6 45.Qg6 Kf8 46.Be6 Re6 47.Re6 Qd5 48.f3 Qa2 49.Kh3 Qe6 50.Qe6+-) 1–0. Dragojevic,Mi (2135) – Jelecevic,I (2145), Open B, Zagreb CRO, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Nd2 e6 9.Qb3 Qd7 10.Bb5 +=.

    8.Nd2 h5 9.Ngf3 e6 10.Be2 Nh6 11.0-0 Be7 12.h3 0-0 13.Nh2 h4 14.Nb3 (14.Ndf3 Kh7+=) 14...Bg5 (14...a5!?-/+) 15.Nc5 Bc1 16.Qc1 b6 17.Nb7 Qc7 18.Nd6 Na5 (18...f6 19.f4=) 19.Nf3 (19.Qe3!?=) 19...Nb3+= 20.Qe3 Na1 21.Ra1 Qe7 22.Qf4 Bh7 23.Nh4 g5 24.Qg3 Kh8 25.Nf3 Rg8 26.Nh2 Nf5 27.Nf5 Bf5 28.Qe3 (28.Nf1 Be4-/+) 28...Rac8 29.Nf3 (29.Nf1-/+) 29...Be4 (better is 29...a5!?-/+) 30.Nh2+= Rc7 (30...a5 31.Ng4=) 31.Ng4= Rg7 (31...Rg6!?=) 32.Nf6+= Bf5? (32...Bh7 33.c4 dc4 34.d5 ed5 35.Nd5+=) 33.g4 (33.h4 a5+-) 33...Bc2?? (33...Bh7 34.Kg2 Rg6 35.Nh7 Kh7 36.Bd3=) 34.Kg2?? (better is 34.h4+-) 34...Bb3?? (34...Rg6 35.Qd2 Bb3+/-) 35.Rh1+- Rg6 (35...Bc2 36.h4 Rh7+-) 36.h4 Rf6 (36...Kg7 37.hg5 Qd8 38.Rh7 Kf8 39.Qc1 Rg8 40.g6 Qf6 41.ef6 Ba4 42.Qa3 Ke8 43.Qd6 Rf8 44.Qc7 Bd7 45.Bb5 Bb5 46.Qe7) 37.hg5 (37.ef6 Kg8 38.hg5 Bc2 39.fe7 Re7 40.Qh3 Be4 41.f3 Bf3 42.Kf3 f6 43.Qh8 Kf7 44.g6 Kg6 45.Rh6 Kg5 46.Qf6) 37...Rh6 38.Rh6 Kg7 39.f4 (39.g6 fg6 40.Qh3 Kf7 41.Rh8 Qf6 42.ef6 Kf6 43.Qf3 Kg5 44.Qe3 Kf6 45.Qe5 Kf7 46.g5 Rc3 47.Qf6) 39...Bc2 40.Qh3 Rc8 41.Ba6 (better is 41.Rh5 Be4 42.Kf2+-) 41...Be4 42.Kf2 Rg8 43.Bd3 Bd3 44.Qd3 Qa3 45.f5 Qc1?? (better is 45...ef5 46.gf5 Qb2 47.Kf3 Qc1 48.f6 Kf8+-) 46.fe6 Qf4 47.Ke1 fe6 (47...Qe4 48.Qe4 de4 49.ef7 Kf7+-) 48.Qh7 1–0. Gelemerov,Yane (2050) – Kosturkov,Krasimir (1700), 137th MGU Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Bd3 e6 9.Bf5 ef5 10.Ne2 Nge7 11.Ng3 g6 12.h4 h5 13.Bg5 Bg7 14.Na3 0-0 15.Nb5 (better 15.0-0=+) 15...Nc8?? (15...f6 16.ef6 Bf6 17.Bf4-/+) 16.0-0 (better 16.Bd8 Rd8 17.Nh5 gh5 18.Qh5+-) 16...Qd7 17.Ne2 (17.Qd3 Nb6=+) 17...a6 (better 17...Ne5!? 18.Na7 Ra7 19.Ra7 Nf3 20.gf3 Na7-/+) 18.Na3 f6 19.ef6 Bf6 20.Bf6 Rf6 21.Nf4 Nd6?? (21...N8e7 22.Re1=) 22.Nc2?? (better 22.Nd5 Qd8 23.Nf6 Qf6 24.g3+-) 22...Ne4 23.Qd3 (better 23.Qe1 Qf7 24.Ne3=+) 23...Rc8 (23...Qd6 24.g3=+) 24.Ne3 The isolani on d5 becomes a target (better 24.f3 Ng3 25.Rfe1+=) 24...Ne7-/+ 25.Rac1 Rfc6 26.Ne2 Qd6 27.g3 Kh7 28.Rc2 Ng8 29.Rfc1 Ngf6 30.Nf4 b5 31.Kg2 b4 (31...R6c7 32.f3+=) 32.c4 (32.cb4 Ng4 33.Rc6 Rc6 34.Rc6 Qc6+=) 32...dc4 33.Nc4 Qe7 (33...Qb8 34.Qb3 Qa7 35.f3=) 34.Ne5 (better 34.Ng6 Qe6 35.Nf4+/-) 34...Rc2=+ 35.Rc2 Rc2 36.Qc2 Nc3 37.Nfg6 Qb7 38.Kh2 (38.f3 Nfd5 39.Kh2 Qb5=) 38...Nfe4 (38...Qe4 39.Nf8 Kg8 40.Qb3 Nfd5 41.Qc4=) 39.f3 Nd6 (39...b3 40.Qb2 Na4 41.Qa3=) 40.Qb3 a5?? (better 40...Qb5 41.Nf8 Kh8=) 41.Qe6+- a4 (41...Qg7 42.Qd6 f4 43.Nf4 Nb5+-) 42.Qd6 (42.Ne7 Kg7 43.Qd6 Qb6 44.Nf5 Kg8 45.Qe7 Qg6 46.Ng6 a3 47.Qg7) 42...a3 (42...Ne4 43.Nf8 Kg7 44.fe4 a3 45.Ne6 Kh7 46.Qf8 Qe7 47.Qe7 Kh6 48.Qg7) 43.Nf4 (43.Ne7 Qb6 44.Qb6 f4 45.Qg6 Kh8 46.Qg8) 43...a2 44.Qg6 Kh8 45.Nf7 Qf7 46.Qf7 a1Q 47.Ng6 1-0. JustcallmeDonny (2540) - alifie (2540), Rated Bullet game, lichess.org, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3)

    8.Ne2 a6 9.Ng3 Bg6 10.h4 h6 11.h5 Bh7 12.Bd3 Bd3 13.Qd3 e6 14.0-0 Nge7 15.Be3 b5 16.Nd2 g6 17.Nb3 Nf5 18.hg6 fg6 19.Qe2 h5 20.Nf5 gf5 (worse is 20...ef5 21.Ra2+=) 21.Ra2 Qf6?? (21...h4 22.Kh2-/+) 22.Rb1 (22.ef6!? Kf7+-) 22...Kf7?? (22...Qg7 23.Rba1 Qb7 24.Bg5-/+) 23.Nd2 (better is 23.ef6 Kf6 24.Rba1+-) 23...Qd8+= 24.Rba1 Qc8 25.Nf3 Be7 26.Bg5 Bg5 27.Ng5 Ke7 28.Qb2 Qb7 29.Qa3 b4 30.cb4 Qb4 31.Rb2 (31.Qc1 Qb6 32.Rb1+-) 31...Qa3-/+ 32.Rb7 Ke8 33.Ra3 Nd4 34.Ra4 Rg8 35.Nf7? Rg4-+ 36.Ra5 Kf8 37.Rc5 Rg7 38.Rcc7 a5 39.Re7 a4 40.Nh8 Re7 41.Ng6 0–1. Herrou,Christophe (2130) – Dussart,Frederic (2310), FRA–chT2B, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Ne2 e6 9.Ng3 Bg6 10.Na3 (10.Bd3 Nge7=) 10...a6 Covers b5 (10...f6 11.ef6 Nf6 12.Bd3+=) 11.h4 f6 Consolidates g5 12.f4 fe5 (12...Be7 13.h5 Bf7 14.Qb3+=) 13.fe5 Be7 14.h5 Bf7 15.Bd3 Bh4 (15...Nh6!?=) 16.Qg4 (16.Qf3 Nh6+=) 16...Bg3 17.Qg3 Nge7 18.h6 (18.Nc2 Rc8+/-) 18...g6? Prevents intrusion on f5 (better is 18...gh6!? is an interesting alternative 19.Rh6 Kd7=) 19.Bg5 Qa5? (better is 19...Rf8!?+/-) 20.0-0+- Qc3?? shortens the misery for Black. (better is 20...Qd8+-) 21.Nb5! Deflection: a6 21...Nf5 (21...ab5 22.Ra8 Clearance Decoy Deflection Pinning) 22.Qh3 (22.Nc3 Ng3 23.Rfb1 Ra7+=) 22...Qb4 23.Bf5 gf5 24.Rab1 White threatens to win material: Rb1xb4 (24.Nd6 Kf8 25.Nf5+-) 24...Qa4?? (better is 24...Qb5 25.Rb5 ab5+=) 25.Nd6+- Kf8 26.Rb7 Bg6 (26...Ra7 is still a small chance 27.Ra7 Na7 28.Nf7 Rg8+-) 27.Qh4 Qd4 28.Qd4 Nd4 29.Be7 Kg8 30.Bf6 Nc6 (30...Kf8 there is nothing better in the position 31.Bh8 Ne2 32.Kf2 Nc3 33.Bg7 Kg8+-) 31.Rc1 Nd8 (31...Bf7 doesn't do any good 32.Rc6 Rf8 33.Nf7 d4 34.Nd6 Re8 35.Rc8 Rc8 36.Rg7 Kf8 37.Be7) 32.Rg7 Kf8 33.Be7 1–0. Kraft,Mathias (1945) – Sharza,Mohamed Rahim, Baunatal op 7th, 2001. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Ne2 e6 9.Ng3 Bg6 10.Bd3 Nge7 =.

    8.Ne2 e6 9.Ng3 Bg6 10.h4 h5 11.Bd3 Bd3 12.Qd3 g6 13.Bg5 Nge7 14.Bf6 Rg8 15.Na3 Bg7 16.Nb5 Qd7 17.Nd6 Kf8 18.Bg7 Kg7 19.Rb1 b6 20.Qf3 Nc8 21.Qf6 Kf8 22.Nb5 Qe7 23.Qf4 a6 24.Ra1 Na5 25.Na3 Kg7 26.0-0 Na7 27.Rfb1 Rgb8 28.Qg5 Qg5 29.hg5 N7c6 30.Ne2 b5 31.Nc1 Nc4 32.Nc4 bc4 33.Rb8 Nb8 34.Na2 Kf8 35.Nb4 Ke7 0–1. Donoso Solzona,Francisco – Katsuhara,Osamu, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Ne2 e6 9.Ng3 Bg6 10.h4 h6 11.h5 Bh7 12.Nd2 Qc7 13.Bb5 Nge7 14.0-0 Nf5 15.Nb3 Be7 16.Ra2 0-0 17.Bd3 Ng3 18.Bh7 Kh7 19.fg3 f5 20.ef6 Rf6 21.Qd3 Kg8 22.Rf6 Bf6 23.Rf2 Rf8 24.Nc5 Nd8 25.Bf4 ½–½. Schlenker,Rainer (2260) – Werner,Veronika, Buehl op rapid, 1992. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 Bf5)

    8.Nf3 e6 9.Bd3 Bd3 10.Qd3 a6 11.0-0 Rc8 12.Ng5 Qc7 13.Qf3 h6 14.Qh5 g6 15.Qh3 Nd4 16.cd4 Qc1 17.Nf3 Qf4 18.Nbd2 Bb4 19.g3 Qf5 20.Qg2 Ne7 21.Rfb1 Nc6 22.Qf1 0-0 23.Ra2 Bd2 24.Nd2 Nd4 25.Kg2 Rc7 (25...Qe5?! 26.Rb7 Qf5 27.Qa6-+) 26.f4 Rfc8 27.h3 (27.Qf2 Rc2 28.Rbb2-+) 27...Rc2 28.g4 (28.Rc2 Rc2 29.Qf2-+) 28...Qe4 (28...Qe4 29.Kg1 Qe3 30.Qf2 Ne2 31.Kg2 Nf4 32.Qf4 Qf4 33.Rc2 Rc2-+) 0–1. Ng,Willy – Quirk,Michael, VR–2010-0-00002, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Nf3 e6 9.Be2 a6 10.0-0 (10.Nbd2 b5+=) 10...Nge7 (10...b5 11.Be3-/+) 11.Ba3 (11.Nh4 Bb1 12.Rb1 b5+=) 11...Rc8 (11...f6 12.ef6 gf6 13.Re1+=) 12.Qb3 Qd7 13.Nh4 Bg6 14.Nd2 h6 (14...f6 15.Ng6 Ng6 16.Bf8 Rf8 17.f4+=) 15.Qb6 Bh7 16.c4 (16.Nhf3 Bf5=) 16...Rd8 (better is 16...dc4 17.Nc4 Nd5+=) 17.Nb3?? (better is 17.Qb2+=) 17...Nc8-+ 18.Nc5 (18.Qd8 Qd8 19.Bf8 Rf8-+) 18...Nb6 (18...Bc5!? 19.Qb3 dc4 20.Qg3 Bd4 21.Nf3-+) 19.Nd7 Nd7 20.cd5 (20.Nf3 dc4 21.Bc4 Ba3 22.Ra3 Be4-+) 20...ed5 (better is 20...Nd4 21.Bh5 ed5 22.Bb2-+) 21.e6 (21.Bb2 Be7 22.Nf3 f6-+) 21...Nf6 (21...Nf6 22.ef7 Kf7-+) 0–1. Dansker,German (2060) – Santiago,Castillo, Pan American–ch, 1997. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Nf3 e6 9.Be2 Qc7 10.0-0 Be7 (10...Nge7 11.Na3 Ng6 12.Nb5+=) 11.Na3 Ba3 (11...a6 12.c4+=) 12.Ba3= Nge7 13.Nh4 Bg6 14.Qd2 (14.Bb5 a6 15.Bc5 Rc8+=) 14...b6 (14...f6 15.ef6 gf6 16.Rfe1+=) 15.Bb5 a6 (15...Nc8 16.Rfc1 a6 17.Bb4=) 16.Bd6 (16.Be7 Ke7 17.Ba6 f6+=) 16...Qb7 17.Qa2 a5 18.Qa3 (18.Qa4 Rc8=) 18...Rc8 (18...Nc8 19.Qa4 N8a7 20.Ng6 hg6 21.Rfb1=) 19.Rfc1 (19.Ng6 hg6 20.Be7 Qe7=) 19...Nf5 (19...Bh5 20.c4 dc4 21.Qg3=) 20.Nf5+= Bf5 21.c4 dc4 22.f3 (better is 22.Qf3!? Bd3 23.Ra4+- (23.Bc4?! Bc4 24.Rc4 b5+/-)) 22...Bd3+= 23.Rc3 f5 24.ef6 (24.Qa4 Kd8 25.Rd1 Na7 (worse is 25...Nd4 26.Rdd3 Ne2 27.Kh1 Nc3 28.Rc3+/-) 26.Bc4 Bc4 27.Rc4 Qd7 28.Rc8 Nc8=) 24...gf6+= 25.d5? (better is 25.Rac1!?+=) 25...ed5-+ 26.Re1 Kf7 27.Rd3 cd3 28.Qd3 Kg7 29.Qd5 (29.Ba6 Qd7 30.Bc8 Qd6-+ (30...Qc8?! 31.Qd5 Rg8 32.Kf2=)) 29...Rhd8 30.Re4 Qd7 31.Rg4 (31.Re6 Kh8-+) 31...Kh8 0–1. Grajeda,Jose C (2200) – Sidi,M (2200), Buenos Aires ol (Men), 1978. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.g4 Be6 9.h3 -/+.

    8.h4 h5 9.Bd3 Bd3 10.Qd3 e6 11.Ba3 Ba3 (11...Nge7 12.g3-/+) 12.Na3-/+ a6 (12...Nge7 13.Nf3-/+) 13.Nf3=+ Nge7 14.0-0 Nf5 15.g3 0-0 16.Ng5 g6 (16...Qd7 17.Qe2 g6 18.Kg2-/+) 17.Rfb1 b5 18.Nc2 Qc7 19.Ne3 Nce7 20.Rb3 Kg7 21.Rba3 Qc6 22.g4? (better 22.Ng2=+) 22...hg4-+ 23.Ng4 Rh8 24.Nf6 Rh4 25.Kf1 (25.Qf3 Qb7 26.Qg2 Ng8-+) 25...Rh1 (25...Ng8 26.Nf3 Rh1 27.Kg2 Ra1 28.Ra1 Nf6 29.ef6 Kf6 30.Ne5-+) 26.Ke2 (26.Kg2 Ra1 27.Ra1 Rh8-+) 26...Ra1 27.Ra1 Rh8 28.Nf3 (28.Rg1 a5 29.Rb1 b4-+) 28...Rh3 29.Qc2 (29.Rg1-+) 29...Qc4 (29...Qc4 30.Qd3 Qd3 31.Kd3 Rf3 32.Kd2 Rf2 33.Kd3 b4 34.cb4 Nc6-+) 0–1. Gonzalez Delgado,Hugo Andres (1940) – Ruiz C,Joshua D (2385), Superate Intercolegiados – Final Nacion, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.Bd3 Bd3

    9.Qd3 e6

    10.Ne2 Nge7 11.0-0 Nf5 12.f4 g6 13.Nd2 Be7 14.Nf3 0-0 15.g4 Ng7 16.Kh1 f5 17.ef6 Rf6 18.Rg1 Qd7 19.Be3 a6 20.Ng3 Raf8 21.Ra2 Bd6 22.Ne5 Be5 23.de5 Rf4 24.Bf4 Rf4 25.Qe3 Rg4 26.Rf2 Qe7 27.Rf6 Nf5 28.Nf5 Rg1 (worse is 28...gf5 29.Rg4 fg4 30.Qf4=) 29.Qg1 ef5 30.Rf5 d4 31.cd4 Nd4! 32.Rg5? (32.Qd4 gf5) 32...Nf3 33.Rg6 hg6 34.Qg6 Kf8 35.Qf5 Qf7 36.Qc8 Kg7 37.Qg4 Qg6 38.Qf3 Qc6 (38...Qc6 39.Qc6 bc6-+) 0–1. Kovacs,Gabor (2305) – Parkanyi,Attila (2365), Schneider Memorial op, 1996. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3)

    10.Ne2 Nge7 11.Nd2 Nf5 12.0-0 Be7 13.f4 0-0 14.g4 Nh4 15.f5 Bg5 16.Nf3 Nf3 17.Qf3 Bc1 18.Rfc1 Qg5 19.Rcb1 b6 20.Kh1 Na5 21.Nf4 Nc4 22.Rg1 a5 23.Rg2 Qh4 (23...a4 24.Qf2-/+) 24.Qd3? (24.g5 ef5 25.Nd5 Qe4 26.Qe4 fe4+=) 24...g6 (24...a4 25.fe6 fe6 26.Ne6-/+) 25.Rag1 a4 26.Rg3 Qg5 27.Rf3 Rfe8 28.Nh5 Rec8 (28...gh5 29.gh5 Qg1 30.Kg1=) 29.Nf6 Kg7 30.fe6 fe6 31.Qf1 Rc7?? (better is 31...h6-+) 32.h4+= Qd2 (32...Qh4 33.Rh3 Decoy) 33.Rg2 White plans g5 33...Qh6 34.Rh2 White intends h5 34...Nd2 35.g5 Nf1 36.gh6 Kh6 37.Rf1 Rc3 38.h5 g5 39.Ng4 Kg7 40.h6 Kg8 41.Rhf2 Rh3 42.Kg2 Rh4 43.Nf6 Kh8 44.Rc2 Rh6 45.Rc7 Rf8 46.Rh1 (46.Rh1 Rh1 47.Kh1 Rf6 48.ef6+-) 1–0. Noire,Eric (2180) – Taboada,Pedro Pablo (2300), IECG, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

    10.Ne2 Nge7 11.Nd2 Nf5 12.0-0 Be7 13.f4 g6 14.Nf3 a6 15.Ba3 Ba3 16.Ra3 0-0 17.g4 Ng7 18.g5 Na5 19.h4 Nc4 20.Raa1 Nf5 21.Nh2 Qe7 22.h5 gh5 23.Rf3 a5 24.Rh3 Qe8 25.Ng3 Ng3 26.Qg3 a4 27.Rh5 Kg7 28.Ng4 Rh8 29.Nf6 Qc6 30.Qh4 (30.Qh4 Ne5 31.Rh7 (31.de5 Qc3 32.Rf1 Qe3 33.Kg2 Kf8 34.Rh7 Rh7 35.Nh7 Ke7 36.g6 Kd7+-; 31.fe5?! Qc3 32.Rf1 Qe3 33.Kh2 Qd3+-) 31...Rh7 32.Qh7 Kf8 33.Qg8 Ke7 34.Qa8+-) 1–0. Noire,Eric (2150) – Boles,Robert (1930), IECG, 1999.

    10.Ne2 Nge7 11.Ng3 h5 12.Bg5 Qb6 13.Nd2 Na5 14.0-0 Nec6 15.Rfb1 Qc7 16.f4 g6 17.Ngf1 Be7 18.Ne3 Bg5 19.fg5 0-0-0 20.h4 Kb8 21.Nc2 Kc8 22.Nb4 Rd7 23.Ra2 Kd8 24.Rab2 Ne7 25.Kh2 Nf5 26.Na6 Qc8 27.Nc5 Rc7 28.g3 b6 29.Na4 Ke7 30.Rc2 Qd7 31.Nb2 Rhc8 32.Nd1 Rc6 33.Ne3 Qc7 34.Nf5 ef5 35.Rbc1 Nc4 36.Nc4 Rc4 37.Qf3 Ke6 38.Ra1? (better is 38.Qd1-/+) 38...Rd4! 39.Rca2?! (39.cd4 Qc2 Pinning (39...Qc2 Deflection; 39...Qc2 Clearance)) 39...Qc3 40.Qc3 Rc3 41.Ra4 (41.Ra7 Rd2 (worse is 41...Ke5 42.Re7 Kd6 43.Rf7-+) 42.Kh3 Rdd3-+ (worse is 42...Ke5 43.Rf7 b5 44.Rb7-+)) 41...Rd2 42.Kh3 f4 (42...f4 43.Rf4 Rcc2 (43...Ke5?! 44.Re1 Kd6 45.Rf7-+) 44.Rf6 Ke5-+) 0–1. Krasyakov,Anton A (2005) – Ivanov,Sergey A (2320), Petrozavodsk Elo–C, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

    10.Ne2 g6 11.0-0+= Bg7 (11...Qd7 12.Re1+=) 12.Na3 (12.Nd2 Nge7+=) 12...a6 (12...f6 13.Nf4 Kf7 14.ef6 Nf6 15.Re1+=) 13.Qh3 (13.Bf4 b5+=) 13...Nge7 14.Bh6 (14.Bg5 b5+=) 14...Bh6 15.Qh6 Nf5 16.Qh3 (16.Qf4 Qh4-/+) 16...0-0 17.f4 h5 (better is 17...f6-/+) 18.g4? (better is 18.Ng3+=) 18...hg4-+ 19.Qg4 (19.Qd3 Kg7-+) 19...Ne3 20.Qg3 Nf1 21.Rf1 (21.Kf1 Qc7-+) 21...Kg7 22.Qg2 Rh8 (22...Qa5 23.Ra1-+) 23.f5 Rh5?? (23...ef5 24.Rf5 Qh4 25.Rf2-+) 24.f6?? (better is 24.fe6 Ne5 25.de5+=) 24...Kh7-+ 25.Nf4 Rh6 26.Nc2 Qb6 27.h3 (27.Ne3 Nd4! 28.cd4 Qd4 29.Qg3-+) 27...Ne5 28.Kh2 (28.Ne3 Nc4 29.Nc4 dc4-+) 28...Nc4 29.Qg3 (29.Qe2 Qb2 30.Rf3 a5-+) 29...Rg8 (29...Nd2 30.Re1-+) 30.Rf2 (30.Ne3 Nd2 31.Re1 Ne4-+) 30...Qd6 (30...Nd6 31.Qd3-+) 31.Nd3 (31.Qg5 a5-+) 31...Qg3 32.Kg3 b6 (32...Nd6!? 33.Rf3 Nf5 34.Kf2-+) 33.Ncb4 a5 34.Nc6 g5 (34...Rc8 35.Ne7 Ra8 36.Nc6-+) 35.Nce5 (35.Nde5 Nd6 36.Kg2 Rc8-+) 35...Ne3 (better is 35...Nd6 36.Kg2 Rc8 37.Rc2-+) 36.Nf7 Nf5 37.Kg2 (37.Kh2 Rf6 38.Nde5 Rf8 39.Ng5 Kh6-+) 37...Rf6 38.Nde5 Nh4 39.Kf1 Rf2 40.Kf2 Rf8 (better is 40...a4 41.Kg3 a3-+) 41.Ke2 Rg8 42.Ng4?? (42.Kf2 a4 43.Ng5 Rg5 44.Nd3 Rg2 45.Ke3-+) 42...Kg6 (42...a4 43.Kd3 a3 44.Kc2-+) 43.Nfe5 Kg7 44.Nd7 (44.Kd1 Rh8-+) 44...b5 (44...a4 45.Kd1-+) 45.Nc5 Re8 46.Ne5 (46.Ne3 a4-+) 46...Ng6 47.Nc6 (47.Nf3 Kf6 48.Kf2 a4-+) 47...b4! 48.cb4 ab4 49.Nb4 Nf4 50.Kf3 Rh8 51.Kg4 Kg6 (51...Rh3?! 52.Ne6 Ne6 53.Kh3+=) 52.Nc6 Rh4 (52...Rh3?! 53.Ne5 Kf6 54.Nf3 Rf3 55.Kf3-+) 53.Kf3 Rh3 (53...Kh5 54.Kf2-+) 54.Kg4 Rh4 55.Kf3 Kf6 (55...Kh5!? 56.Nd8-+) 56.Nd7 Kf7 57.Nde5 Ke8 58.Nb4 (58.Na7 Kf8-+) 58...Kd8 (58...Nh5 59.Ng4-+) 59.Nbc6 (59.Na6 Ke7-+) 59...Kc7 60.Nb4 Kb6 61.Nc2 Nh5 62.Ng6 (62.Kg2 Ng7-+) 62...g4 (62...Re4 63.Kf2-+) 63.Kg2 Rh3 Black prepares g3 64.Ne5 (64.Ne1 Re3 65.Kf2 Re4-+) 64...Nf4 65.Kg1 Rc3 66.Ne1 g3 67.N5f3 Kb5 68.Kf1 Nd3 (68...Rb3!? 69.Nh4-+) 69.Nd3 Rd3 70.Kg2 Rf3! 71.Kf3 g2! 72.Kg2 Kc4 73.Kf2 Kd4 0–1. Junker,Wilfried – Schmieder,Wolfgang, Hessen–ch Seniors, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

    10.Nf3 a6 11.Ng5 Na5 12.Qf3 Nh6 13.Qh5? (better is 13.Nd2-/+) 13...Nb3-+ 14.Ne6 Qb6 15.Nf8 Na1 (15...Nc1?! 16.Ne6 Qe6 17.Qd1-+; 15...Rf8?! 16.Qd1 Na1 17.Qa4 Qb5 18.Qa1-+) 16.0-0 Kf8 (16...Qb1 17.Bh6 Qa2 18.Bg7 Rf8 19.e6+- (19.Bf8?! Kf8 20.Qh7 Re8+=)) 17.Ba3 Kg8 18.Nd2 Nc2 19.Be7 Qe6 20.Bf6 gf6 21.Qh6 fe5 22.Qg5 Kf8 23.de5 Rg8 24.Qf4 Rc8 25.Nf3 Rg4 26.Qd2 Rg2! 27.Kg2 Qg4 28.Kh1 Qf3 29.Kg1 Rc4 (29...Rc4 30.Qh6 Ke8-+) 0–1. Ng,Willy – Quirk,Michael (2025), 2009 EMTF Lechenicher SchachServer, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

    10.Nf3 Nge7 -/+.

    10.Nh3 Nge7 11.Bg5 Qc7 12.0-0 Ng6 13.f4 (13.Rc1 Qd7-/+) 13...Nce7 (better is 13...h6 14.f5 Nge5 (14...hg5?! 15.fg6 f6 16.ef6=) 15.de5 hg5 16.fe6 fe6 17.Qg6 Kd7 18.Ng5 Qe5-+) 14.Na3+= a6 (better is 14...Qd7+=) 15.Nb5!+/- Qc6 (15...ab5 16.Ra8 Pinning (16.Ra8 Deflection; 16.Ra8 Clearance)) 16.Nd6 White prepares f5 16...Kd7 17.f5 (17.Nf7 Rg8+/-) 17...ef5 18.Nf7 (18.Nf5?! f6 19.ef6 gf6=) 18...Rg8 19.Nd6 h6 20.Bd2 Nh8 21.Nf5 Nf5 (better is 21...Kd8!?+/-) 22.Qf5+- (22.Rf5?! Ng6+/-) 22...Qe6 (22...Kc7 23.Nf4+-) 23.Qf3 g5 24.Qd3 (better is 24.c4 g4 25.Qb3+-) 24...Be7+= 25.c4 Rg6? (25...dc4 26.Qe4 Rgc8 27.d5 Qb6 28.Kh1+-) 26.Ra5 (better is 26.c5!?+-) 26...dc4+= 27.Qe4 Qc6 28.d5 Bc5? (better is 28...Qb6 29.Kh1 Qb2+/-) 29.Kh1+- Qc7 (29...Qb6 30.Qc4 Be7 31.d6 Bd6 32.Qg4 (worse is 32.ed6 Rd6 33.Rd5 Re8+-) 32...Kc7 33.ed6 Rd6 34.Bc3+-) 30.Qf5 (30.d6 Qc6 31.Qf5 Kd8 32.Qf8 Qe8 33.Rc5 Qf8 34.Rf8 Kd7 35.Ra8 Rd6 36.ed6 Kd6+-) 30...Ke8 31.d6 Bd6 (31...Qf7 32.Rc5 Qf5 33.Rf5 Kd7 34.Rc4 a5+-) 32.ed6 Rd6 (32...Qd6 33.Rd5 Rf6 34.Qf6 Qf6 35.Rf6 a5+-) 33.Re5 Kd8 34.Bb4 (34.Qf8 Kd7 35.Re7 Kc6 36.Qf3 Rd5 37.Rc7 Kc7 38.Qd5 Re8 39.Ba5 b6 40.Bb6 Kb8 41.Qd6 Ka8 42.Qc7 Re2 43.Qc8) 34...Nf7 (34...Qf7 35.Bd6 Qf5 36.Rff5 Kd7+-) 35.Bd6 Nd6 36.Qf8 Kd7 37.Re7 Kc6 38.Rc7 Kc7 39.Qa8 c3 40.Qh8 Nb5 41.Qe5 (41.Qh6 Nd6 42.Qg7 Kc6 43.Qc3 Kd7 44.Qg7 Ke6 45.Ng5 Kd5 46.Rc1 b5 47.Qg8 Kd4 48.Nf3 Kd3 49.Qd5 Ke3 50.Re1 Kf4 51.Qg5) 41...Kb6 42.Nf2 a5 43.Nd3 a4 (43...Ka6 44.Rf6 b6 45.Nc5 Ka7 46.Rf7 Nc7 47.Qc7 Ka8 48.Qd8) 44.Rf6 (44.Qc5 Ka5 45.Rf6 c2 46.Qb6) 44...Ka5 (44...Ka7 45.Qc5 b6 46.Qb6 Ka8 47.Rf8) 45.Qc5 b6 (45...c2 46.Qb6) 46.Qb6# 1–0. Condron,J – Woodruff,P, USA–op Chicago, 1994. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

    8.g4 Be4

    9.f3 Bb1 10.Rb1+= Qd7 11.Bd3 (11.Qb3 b6+=) 11...e6 12.Ne2 (12.Qb3 b6+=) 12...Nge7 (12...a6 13.h4+=) 13.0-0 (13.h4 a6+=) 13...Nc8 (13...a6 14.Ra1+=) 14.f4 Nb6 15.f5 0-0-0 (15...ef5!? 16.Bf5 Qc7+=) 16.Nf4 (16.fe6 fe6 (16...Qe6?? 17.Bf5+-) 17.Bg5 Be7=) 16...g6 17.Qf3 (17.fe6 fe6 18.g5 Re8+=) 17...Kb8 (17...gf5 18.gf5 Re8 19.Nh5=) 18.Qh3 (18.fe6 fe6 19.g5 Re8+=) 18...Be7 (18...gf5 19.gf5 Re8 20.Kh1=) 19.Rf3 (19.f6 Bf8+=) 19...Rdg8 (19...ef5 20.gf5 gf5 21.Bf5 Rdg8 22.Kh1+=) 20.f6+= Bd8 (20...Bf8 21.Rf2+=) 21.g5 (21.Qh6 Nc4+=) 21...Bc7 (21...h6 22.gh6 Rh7 23.Bb5=) 22.Bb5 (22.Qh6 Nc4+=) 22...a6 (22...h6 23.gh6 a6 24.Bd3=) 23.Be2 Na5 (23...h6 24.gh6 Nc4 25.h7=) 24.Qf1 (24.Qh6 Nac4+=) 24...Nac4 (24...h6 25.gh6 Qc6 26.Nh3=) 25.Nd3+= a5 (25...h6 26.Nc5 Qc6 27.Bc4 Nc4 28.Rb7 Ka8 29.Rf2=) 26.Nb2 Qc6 27.Nc4 (27.Ra1 Bd8+=) 27...Nc4= 28.Bc4 (28.Rh3 Kc8=) 28...dc4 (28...Qc4 29.Qc4 dc4 30.Be3=) 29.Rf2 (29.Rh3 Kc8+=) 29...Rd8 30.Rfb2 (30.Ra2 Kc8+=) 30...b6= 31.Rb5 (31.Qd1 Kc8=) 31...Rd5 32.Rd5 Qd5 33.Qg2 (33.Rb2 Kc8=) 33...Qg2+= 34.Kg2 Rd8 (34...Kb7 35.Kf3+=) 35.Kf3 (35.Ba3 Kb7+=) 35...Kb7 36.Ke4 (36.Be3 Kc6+=) 36...Kc6 37.h4 (37.h3 b5-/+) 37...Rd5 (37...b5 38.Be3-/+) 38.Ba3+= b5 39.h5 (39.Be7 Bb6 40.Rd1 Kd7+=) 39...Bb6 (39...gh5 40.Rb2-/+) 40.hg6 (40.Rd1 gh5 41.Rh1 b4-+) 40...hg6 41.Rh1 (41.Rd1!?-/+) 41...b4!-+ 42.Bb2 (42.cb4 Bd4 Deflection) 42...Rd7 (42...Kb5 43.Ra1-+) 43.Rh7 (43.Rh8 Rb7-+) 43...bc3 (43...Kb5!? 44.Rh8-+) 44.Bc3 Rd5?? (better is 44...a4-+) 45.Rh1 ½–½. Ibba,Isacco (2220) – Chiarotto,F (2080), Capo d'Orso Open, Porto Mannu Palau ITA, 2008.

    9.f3 Bg6 10.Qb3 Qd7 11.Nh3 -/+.

    9.f3 Bg6 10.h4 e6 11.h5 Bb1 12.Rb1 Qc7 13.Qb3 0-0-0 14.Rh2 Nge7 15.Rhb2 Na5 16.Qa4 f6 17.Ra2 Nec6 18.Bf4 fe5 19.Be5 Bd6 20.f4 Be5 21.fe5 Rhf8 22.Be2 Qe7 23.Nf3 Nc4 24.Qb5 h6 25.Ra6 Qc7 26.Bc4 dc4 27.Nd2 Rd5 28.Rc6 Qc6 29.Qc6 bc6 30.Nc4 Kc7 31.Ra1 Ra8 32.Nd6 a5 33.Ke2 a4 34.Ra3 c5 35.Kd3 cd4 36.cd4 Rd6 37.ed6 Kd6 38.Ke4 Ra7 39.Ke3 Kd5 40.Kd3 e5 41.de5 Ke5 42.Ke3 Ra8 43.Kf3 Rf8 44.Kg2 Rf4 45.Kg3 Rb4 46.Re3 Re4 47.Rf3 Ke6 48.Rd3 Rb4 49.Re3 Kd6 50.Rd3 Ke6 51.Re3 ½–½. Neumann,Ulrich – Betts,Michael (1655), IECG, 2002.

    9.f3 Bg6 10.h4 h5 11.Ne2 hg4 12.Nf4 Bf5 (12...Bb1 13.Rb1 g5 14.Ng2-/+) 13.fg4-/+ Be4 14.Rh2 g5 15.Nh5 (15.hg5 f6 Double attack (15...Rh2 Pinning; 15...Rh2 Deflection; 15...f6 Decoy)) 15...gh4 16.Nd2 Bg6 17.Nf4 e6 18.Ng6 fg6 19.Bd3 (19.Nf3 Qc7+=) 19...Nge7 (19...g5 20.Nf3 Be7 21.Rb1-/+) 20.Nf3+= Qc7 21.Bf4 (21.Qc2 Rc8+=) 21...Bg7-/+ 22.Ng5 Kd7 23.Qd2 a6 24.Nf3 h3 25.Kf1 (25.Ng5 Na5 26.Ra3 Nc4 27.Bc4 Qc4 28.Rh3 Raf8 29.Rh8 Rh8-/+ (29...Bh8?! 30.Nh7 Rf7 31.Ng5+=)) 25...Raf8 (25...Na5 26.Ra3-+) 26.Kg1 (26.Ke2 Na5 27.Rah1 Nc4-/+) 26...Rf7 (26...Na5!? 27.Qe3 Nc4 28.Bc4 dc4 29.Bg5-+) 27.Ng5-/+ Rff8 (27...Rf4 28.Qf4 Ne5 29.Qe3-/+ (29.de5? Be5 30.Qa4 b5 31.Bb5 ab5 32.Qb5 Qc6 33.Ra7 Bc7-/+)) 28.Re1?? (28.Nf3 Na5 29.Qe3-+) 28...Rh4 29.Be2 Qb6 30.Kh1 Nd8 (30...Na5 31.Nh3 Rfh8 32.Kg2-+) 31.Nh3 Rfh8 32.Kg2 Nf7 33.Rf1 Bh6 34.Bh6 Nh6 35.Kg3 Qd8 (35...Nhg8 36.Rfh1-/+) 36.Rf6 (better is 36.Qb2 Kc8 37.Rb1+=) 36...Nhg8-/+ 37.Rf7 Qe8 38.Qf4 Kc6 (38...Nh6 39.Rf6-/+) 39.Rf8+= Qd7 40.Qg5 R4h7 41.Bd3 The isolani on g6 becomes a target 41...Rg7 (better is 41...Kc7-/+) 42.Nf4+= The pressure on the isolated pawn grows 42...Rh2 43.Kh2 a5 (better is 43...Rh7 44.Kg1 a5+/-) 44.Nh5! (worse is 44.Ng6 Ng6 45.Bg6 Ne7=; worse is 44.Bg6 Ng6 45.Ng6 Kc7-/+) 44...Rh7 (44...gh5 45.Qg7 Pinning (45.Qg7 Deflection)) 45.Bg6 Ng6 46.Qg6 (46.Rg8?! Ne7 47.Rg7 Rg7 48.Qg7 Kb5+=) 46...Qe7? (46...Nh6 47.Kg3 Ng4 48.Kg4 b6+-) 47.Rg8 (better is 47.Qg8 Kb5+-) 47...Qh4 (47...Qf7+-) 48.Kg2 Re7 49.Re8 Qe1 (49...Kb5+-) 50.Re7 Qe2 (50...Qd2 51.Kh3 Qc3 52.Kh4+-) 51.Kh3 Qf1 52.Kh4 Qh1 53.Kg5 Qc1 54.Kf6 (54.Nf4 Qc3 55.Qe8 Kb6+-) 54...Qf1 55.Ke6 (55.Kg7 Qc4 56.Qe6 Kb5 57.Rb7 Ka4 58.Qd7 Ka3 59.e6 Qc3 60.Qd6 Qb4 61.Rb4 ab4 62.e7 Kb3 63.e8Q Kc4 64.Qe2 Kb3 65.Qd5 Kc3 66.Qdc4) 55...Kb5 56.Rb7 Kc4 (56...Ka6 57.Rb3 Qb5 58.Ke7 Ka7 59.Rb5 a4 60.Qb6 Ka8 61.Qb7) 57.Qc2 Qf3 (57...Qf8 58.Qe2 Kc3 59.Qb2 Kc4 60.Rc7 Qc5 61.Rc5 Kd3 62.Kd5 a4 63.Rc3) 58.Qa4 (58.Rc7 Kb5 59.Qb3 Ka6 60.Qb7) 58...Kd3+- 59.Qb5 (59.Nf6 Qh1+-) 59...Ke3 60.Nf6 Qh3 61.Nd5 Kf2 62.Rf7 Ke1 63.Qb1 Ke2 64.Qe4 Kd1 65.Rf2 Qh6 66.Nf6 Qd2 67.Qb1 Qc1 68.Qd3 1–0. Fier,Alexandre S – Vera Insfran,Jorge E, Pan American–ch U12, 2000. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.g4 Be4)

    9.f3 Bg6 10.h4 h5 11.e6 Qd6 12.ef7 Bf7 13.g5 e5 14.Ne2 Nge7 15.Na3 Ng6 16.Kf2 Be7 17.Ng3 Qd8 18.Rb1 Qa5 19.Rb5 Qc7 (19...Qc3 20.Bb2 Qb2 21.Rb2 Ba3 22.Rb7+-) 20.Qb3 b6 21.Bd3 e4! 22.fe4 de4 23.Bc4 0-0 24.Rf5 Bc4 25.Qc4 Kh8 26.Qe6 Qd6 (better is 26...Ba3 27.Ba3 Rf5 28.Qf5 e3 29.Kg2 Nce7 30.Be7 Ne7+=) 27.Qd6?? (better is 27.Qe4 Qd7 28.Rf8 Rf8 29.Kg2 Ba3 30.Qg6 Qd5 31.Kh3=) 27...Bd6-+ 28.Rf8 Rf8 (worse is 28...Nf8 29.Ne4 Rd8 30.Nb5+=) 29.Kg2 Bg3 30.Kg3 Rf3 31.Kg2 Rc3 32.d5 Nce5 33.d6 Rd3 34.Nb5 a6 35.Nc7 Rd6 36.Na6 Nd3 37.Be3 Rc6 38.Rb1 Nh4 39.Kh3 Nf5 40.Rb6 Nf4! (40...Ne3?! 41.Rc6 Nf5 42.Nc5 Nf4 43.Kh2-/+) 41.Kh2 (41.Bf4 Rb6 Deflection (41...Rc3 Decoy)) 41...Rc2 (41...Ne3?! 42.Rc6 Kh7 43.Nc5 Nf1 44.Kg1-/+) 42.Kh1 (42.Bd2 Rd2 43.Kg1 Rg2 44.Kf1 Ne3 45.Ke1 Nd3) 42...Ng3 0–1. Ungureanu,Constantin – Geiser,Laurent, Geneve op, 1993. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.g4 Be4)

    9.f3 Bg6 10.h4 h6 11.h5 Bh7 12.Qb3 Qc7 13.Na3 0-0-0 (13...Rd8!?+=) 14.Nb5= Qb8 15.Rh2 a6 16.Rha2 e6 (16...ab5? 17.Ra8 b4 18.Bb5+-) 17.Ba3 Ba3 (17...ab5? 18.Bf8 Rf8 19.Ra8+-) 18.Ra3 Ne5 (18...ab5? 19.Ra8+-) 19.de5 Qe5 20.Ne2 Ne7 (better is 20...ab5!? 21.Ra8 Kc7 22.Qb5 Nf6 23.Qc5 Kd7=) 21.Ra6 (21.Ra6 ba6 22.Ra6+=) 1–0. Goebl,Werner – Bier,Norbert, corr, 1998. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    8.g4 Bg6

    9.Ne2 Rc8 10.h4 (10.Nd2 e6=+) 10...e6 (10...f6 11.e6 Qd6 12.Nf4=) 11.Nf4=+ Be4 (11...Be7!? 12.Nd2 Bh4=+) 12.f3+= Bb1 13.Rb1 Qc7 14.Bd2 a6 15.Bd3 b5 16.0-0 (16.Ra1 Qb6=) 16...Be7 17.g5 g6 18.Ra1 Qb6 19.Qb3 Bd8 20.Rfb1 (20.Kg2 Nge7=) 20...Nge7 21.Qa3? (21.Kg2 0-0=) 21...Nb8?? (better 21...Ne5!? 22.Be2 Rc6-+) 22.Ne2 (22.Kg2 Nf5 23.Rh1 Be7=) 22...Rc6 (22...Nf5 23.Kf2=+) 23.Nc1 (23.Ng3 Nf5 24.Nf5 gf5=+) 23...Nf5 24.Bf5 gf5 (worse 24...ef5 25.Nd3+=) 25.Nd3 h6 (25...Nd7 26.Kg2 Be7 27.Qa5-/+) 26.gh6= Qb7 (26...Bh4!? 27.Qa5 Qb7=) 27.Bg5+= Qc8 (27...Be7 28.Qc1+=) 28.Nc5 (28.Rc1 Qb7+-) 28...f4 (28...Nd7 29.Na6 Rc3+=) 29.Kh2 (29.Qc1!? Bb6 30.Qf4 Bc5 31.Qf6 Rh6 32.Qh6+-) 29...Nd7 (29...Bg5!? 30.hg5 Qd8=) 30.Na6+= (worse 30.Bf4 Nc5 (worse 30...Bh4 31.Na6 Be7 32.Nc5+=) 31.dc5 Bh4=+) 30...Rc3 31.Qb4 (31.Rc1 Rc4+=) 31...Rc2 (worse 31...Rf3 32.Rc1 Rf2 33.Kh3+-) 32.Kh3 Rc3? (32...f6 33.Bf4 fe5=) 33.Kg4?? (33.Nc5 f6 (33...Rf3?? 34.Kg4 Rg3 35.Kf4 Rg5 36.hg5+-) 34.Qc3 fg5+-) 33...f5 (33...f6 34.Bf4 Be7 35.Qb5=+) 34.ef6 (34.Kh5!?+-) 34...Bf6 (34...Nf6 35.Bf6 e5 36.Kh5 Qf5 37.Bg5 Rc6 38.Qd6 Rd6 39.Nc7 Kf8 40.Ne6 Re6 41.Rb5 Rhh6) 35.Qd6 Bg5?? (better 35...Rc6 36.Rc1!? A) 36...Rc1 37.Rc1 (37.Qe6 Kd8 38.Rc1 Ne5 39.Kf5 Qe6 40.Ke6 Bg5 41.hg5 Nf3+-) 37...Qd8 38.Nc7 Kf7 39.Qe6 Kf8 40.Nd5 Rg8 41.h7 Rg6 42.Nf4 Kg7 43.Ng6 b4 44.h8Q Qh8 45.Qd7 Kg6 46.Qf5 Kf7 47.Rc7 Kf8 48.Qc8 Bd8 49.Qd8; B) 36...Rd6 37.Rc8 Kf7 38.Rh8 Bh8+=) 36.hg5+- (36.Kg5?? Qd8 37.Qe7 Qe7 38.Kg4 Rg8 39.Kh3 Rf3 40.Kh2 Qh4) 36...Nf8 (36...Rc6 37.Nc7 Rc7 38.Qe6 Kd8 39.Qd5 Rc6 40.Rb5 Ke7 41.Re1 Kd8+-) 37.Rb5 e5 (37...e5 38.Kh4 Nd7+-) 0–1. Gonzalez Delgado,H A (1940) – Diaz Herrera,L A (1965), Superate Intercolegiados – Final Nacion, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.g4 Bg6)

    9.Ne2 Qd7 10.h3 (10.Nf4 Be4 11.f3 Bb1 12.Rb1 e6=+) 10...f6 11.ef6 Nf6 12.Bg2 (12.Nf4 Bf7=+) 12...Rd8 (12...e6 13.Nf4-/+) 13.0-0 e5 (13...e6 14.Nf4=+) 14.Ba3 (14.de5!? Ne5 15.Nd4=+) 14...Ba3-/+ 15.Na3 e4 16.Nf4 Bf7 17.g5 Ng8 (17...Qf5 18.gf6 Qf4 19.fg7-/+) 18.h4 (better 18.f3 e3 19.Re1=+) 18...Be6 (18...Qf5 19.Nh5 Kf8 20.Qe2-+) 19.h5 (19.f3!?=) 19...Bg4 (19...Nge7 20.Nb5 0-0 21.Ne6 Qe6 22.Na7-/+) 20.Qd2 (better 20.f3!? Bf5 21.Re1=+) 20...Nge7 21.h6 (21.f3 ef3 22.Bf3 Bf3 23.Rf3 0-0-/+) 21...gh6 22.gh6 Rg8 23.Nc2 (23.Rfb1 Bf3 24.Nc2 Qg4-+) 23...Bh3 (23...Qd6 24.Ne1-+) 24.Nh3 (better 24.f3-+) 24...Qh3 25.Ne1 Rd6 26.Qf4 Rdg6 27.Qe3 (27.Qh2 Qc3 28.Rd1-+) 27...Rg2 (27...Rg2 28.Ng2 Qg2) 0–1. Martinez,Laura Natalia – Valencia,Luisa Fernanda, Superate Intercolegiados – Final Nacion, 2014. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    9.Ne2 Nh6 10.Nf4=+.

    9.f4 e6 10.Nf3 Nge7 11.Na3 h5 12.f5 ef5 13.g5 h4 14.Nb5 Nc8 15.Qb3 a6 16.Qd5 Nb6 17.Nd6 Bd6 18.Qd6 Qd6 19.ed6 0-0-0 20.Ba3 Nd5 21.Kd2 Na5 22.Rb1 f4 23.Bd3 Bd3 24.Kd3-/+ Rhe8 25.Ne5 f6-+ 26.gf6 gf6 27.Ng4 b5 28.Rbe1 Nc4 29.Bc1 Re1 30.Re1 Rg8 31.Nh6 Rg2 32.Ke4 Nc3 33.Kf3 Rg7 34.Bf4 Kd7 35.Ra1 a5 36.Nf5 Rh7 37.Ne3 Nd2 38.Kg4 a4 39.Nf5 Nb3 40.Re1 a3 41.Bc1 b4 42.h3 Nc1 43.Rc1 Rh8 44.Nh4 a2 (44...a2 45.Nf5 Rg8 46.Kf3 b3 47.Rc3 a1Q 48.Rc7 Ke6-+) 0–1. Berkley,Stephen (1620) – Jobe,Tom (1825), IECC, 2000.

    9.Nh3 e6 -/+.

    9.h4 h5 10.g5 e6 11.Bd3 Bd3 12.Qd3 Nge7 13.Ne2 Nf5 14.Ng3 Ng3 15.fg3 Ne7 16.0-0 Nf5 17.Na3 a6 18.Nc2 Qc7 19.Bd2 Rc8 20.Rf5 ef5 21.Ne3 Qd7 22.c4? (better is 22.Ra5!?-/+) 22...dc4-+ 23.Nc4 Bc5! 24.Be3 (24.dc5 Qd3) 24...0-0 25.Rd1 Rfd8 26.d5 f4! 27.gf4 (27.Bc5 Rc5 28.Nd6-+) 27...Qg4 28.Kf1 b5 29.Bc5 Rc5 (better is 29...bc4 30.Qe2 Rc5 31.Qg4 hg4 32.d6-+) 30.Nd6 (30.Ne3 Qf4 31.Kg2 Qh4 32.Qf5-+) 30...Qf4 31.Kg2 Qe5 32.Nf5 Rc3 (32...Rc3 33.Ne7 Qe7 34.Qc3 Qe2 35.Kg3 Qd1-+; 32...Qd5?! 33.Qd5 Rcd5 34.Ne7 Kf8 35.Nd5+=) 0–1. Van der Pluijm,Rick (1665) – Goudriaan,Etienne (1800), Hengelo U16 op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

    9.h4 h5 10.g5 e6 11.Nh3 Bf5 (11...Nge7 12.Nd2-/+) 12.Nf4 g6 13.Ng2 (13.Nd2!?-/+) 13...Nge7 14.Ne3 Nc8 (better is 14...Bg7!?-+) 15.Nf5+= ef5 16.Rh3 (16.Bd3 Nb6+=) 16...Nb6 17.Nd2 Be7 18.Nf3 Qc8 (18...Qc7 19.Qb3-/+) 19.Ng1 Nd8 20.e6? (better is 20.Ne2-/+) 20...Ne6-+ 21.f4 (21.Nf3 0-0 22.Ne5 Rd8-+) 21...Bd6 (21...0-0 22.Kf2-+) 22.Bb5 Kf8 23.Rf3 (23.Ne2 Qc7-+) 23...Kg7 24.Kf2 Qc7 (24...a6 25.Be2-+) 25.Ne2 a6 26.Bd3 Nc4 27.Qc2 (27.Bc4 Qc4 28.Ba3 Ba3 29.Ra3 Qc6-+) 27...Rhe8 (better is 27...b5 28.Qb3-+) 28.Ng3 (28.Qa2 b5-+) 28...Bf4 29.Bf5 (29.Kg2 a5-+) 29...Bg3 30.Rg3 Nf4 31.Bd3 Nd3 32.Qd3 Re4 33.Qf3 (33.Rg2 Rae8 34.Qf3 Nd6-+) 33...Rae8 34.Ra2 (34.Rh3-+) 34...Ne3 (34...Nd6 35.Bf4 Rf4 36.Qf4 Ne4 37.Kf3-+) 35.Qf6?? (better is 35.Be3 Qc3 36.Qf6 Kg8 37.Re2+=) 35...Kg8-+ 36.Be3 R8e6 37.Re2 (37.Qe6 fe6 38.Kg2 Rh4-+) 37...Rf6 38.gf6 Qc3 39.Rf3 (39.Kg2 b5 40.Bf2 Qg3 (40...Re2 41.Rc3 Kf8 42.Kf3+=) 41.Bg3 Re2 42.Kf3 Rb2-+) 39...Rh4 40.Kg3 (40.Kg2 Qd3 41.Ref2 Qb1-+) 40...Rg4 41.Kf2 (41.Kh2 Rd4 42.Kg2 Rg4 43.Kf2 d4-+) 41...a5 42.Re1 (42.Rd2 a4 43.Re2 a3-+) 42...a4 43.Rc1 (43.Bf4 Qd4 44.Be3 Qb2 45.Re2-+) 43...Qb2 44.Ke1 Rg1! 45.Rf1 Rg2 46.Rc8 Kh7 47.Rf2 Rg1 (better is 47...Qb1!? 48.Rc1 Rg1 49.Rf1 Rf1 50.Kf1 Qd3 51.Kf2-+) 48.Rf1 Qb1 49.Rc1 Rf1 50.Kf1 Qf5 (better is 50...Qd3!? 51.Kf2 a3 52.Kf3-+) 51.Ke2 Qf6 (51...a3 52.Ra1 Qc2 53.Kf3-+) 52.Rf1 (52.Ra1 Qa6 53.Kf2 Qd3-+) 52...Qa6 53.Kf2 a3 54.Bd2 Qd3 55.Ke1 a2 56.Rf7 Kg8 57.Rc7 a1Q 58.Rc1 0–1. Helin,Mikael (1910) – Doell,Detlef (2040), Reykjavik Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 Bf5)

    7.e5 g6

    8.Bd3 f6 9.Nf3 =+.

    8.Bd3 Bg7 9.Ne2 f6 10.f4 Nh6 11.Nd2 0-0 12.Nf3 Bf5 13.0-0 Qd7 14.Bb5 a6 15.Ba4 b5 16.Bb3 a5 17.Ng3 fe5 18.Ne5 Ne5 19.Nf5 Nf5 20.fe5 e6 21.Rf3 Qc7 22.Ba3 b4! 23.cb4 Nd4! 24.Rf8 Rf8 25.ba5 Nb3 26.Bf8 Na1 27.Bg7 Nc2 28.Bh6 Qa5 29.Bd2 Qa7 30.Kh1 Qa1 31.Qa1 Na1 32.Kg1 Nb3 33.Bb4 Nd4 34.Kf2 Nc6 35.Bc3 Kf8 36.Ke3 Ke8 37.Bb2 Kd7 38.h4 Kc7 39.Kf4 d4 40.Ke4+= Kb6 41.Bd4 Nd4 42.Kd4 Kb5 43.Ke4 Kc4 44.Kf4 h6 0–1. Noire,Eric (2180) – Bourquin,Pascal (2370), IECG, 1999.

    8.Bd3 Bg7 9.Nf3 f6 10.Bf4 fe5 (10...Bg4 11.h3 Bf3 12.ef6 Nf6 13.Qf3+=) 11.de5 (11.Ne5 Nf6+=) 11...Nh6-/+ 12.Ng5? (better is 12.Qd2 Nf7 13.Qe3-/+) 12...0-0-+ (worse is 12...Ne5 13.Bb5 Nc6 14.Qe2-+; 12...Be5?! 13.Be5 Ne5 14.Bb5 Nc6 15.Bc6 bc6 16.Qd4-+) 13.Bg3 (13.Ra4 Ne5 14.Be2 Bf5-+) 13...Ne5 14.Bc2 (14.Bb5 Nf5-+) 14...Nc4 15.Bb3 b5 16.Ra2 (16.Bc4 bc4 17.0-0 e5-+) 16...e5 17.0-0 (17.Bc4 bc4 18.Qd2 Nf5-+) 17...Nf5 (17...Qg5?! 18.Qd5 Be6 19.Qe6 Nf7 20.Bc4 bc4 21.Qc4=) 18.Nf3 Ng3 19.hg3 (19.fg3 Qb6 20.Rff2 Ne3-+) 19...Bg4 20.Qe1 (20.Qc2 Bf3 21.gf3 Rf3-+) 20...Bf3 21.gf3 Rf3 22.Nd2 Rc3 (better is 22...Rd3 23.Nc4 bc4 24.Bc2-+) 23.Bc4 (23.Nc4 Rb3 (23...bc4?! 24.Qc3 e4 25.Qc2 cb3 26.Qb3-+; 23...dc4?! 24.Qc3 Qd4 25.Qd4 ed4 26.Bd1+=; 23...Rc4?! 24.Bc4 bc4 25.Qe3-+) 24.Ne5 Qd6-+) 23...bc4 (worse is 23...dc4 24.Ne4 Rd3 25.Ra6-+; 23...Rc4?! 24.Nc4 bc4 25.Qd2-+) 24.Ne4 Rb3 (24...Rf3 25.Nd2 Rf5 26.Qe3-+) 25.Nc5 (25.Rd2 Qa5 26.Qe2 Rab8-+) 25...Rb6 0–1. Illig,Ursula – Muench,Ursula, Bayern–chA (Women), 1992. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

    8.Ne2 a6 9.Nf4 =+.

    8.Ne2 h5 9.Nf4 e6 (9...Bh6 10.Qb3 Bf4 11.Bf4=) 10.Bd3 Nge7 11.Na3 Bd7 (11...h4 12.Nb5 Nf5 13.Ba3=) 12.Nb5+= Nf5 13.Bf5 gf5 14.Nh5 Ne5 (14...Be7 15.Nf6 Kf8 16.Ba3 Ne5 17.Nd6+= (worse is 17.Nd7 Qd7 18.Be7 Ke7+=)) 15.de5 (15.Nf6 Qf6 16.Nc7 Ke7 17.Na8 Bb5=) 15...Rh5 (15...Bb5?? 16.Nf6 Qf6 17.ef6+-) 16.Qh5 Bb5 17.Be3 Qc7 18.Bd4 a6 (18...a5 19.h4+=) 19.Qd1 (19.h4 b6+=) 19...Qc4 20.f4 Bc5 (20...a5 21.Qd2=) 21.Qd2 0-0-0 (21...Bf8 22.h4+=) 22.Kf2 Be7 23.Rhb1 (23.Qd1 Rg8+=) 23...Rh8 24.Kg1 Kc7 (24...Kd7 25.Ra5+=) 25.Bf2 (25.Ra5 Kd7+=) 25...Rc8 (25...Qd3 26.Qb2+=) 26.Qd4 (26.Be3 Kd7 27.Bd4 Rh8+=) 26...Qc6 (26...Qd4 27.Bd4 Rh8 28.g3+=) 27.Rc1 (27.Qd1 Kd8+=) 27...b6 (27...Kd8 28.Qd1+=) 28.Qd1 (28.Qe3 Bc5 29.Qd2 Kd7+=) 28...Kb7 (28...Kd8 29.Qh5 Ke8 30.Qh8 Bf8 31.Bd4+=) 29.Qh5+/- Qe8 30.Bd4 Qg8 31.Rcb1 Rc4 32.Qf3 Qc8 (better is 32...Qg4 33.Qe3 Kc8+/-) 33.Qh5 (33.Ra2 Qc7+/-) 33...Qg8 34.Kh1 (34.Qh6 Rc6+/-) 34...Rc8 (34...Rc6 35.Rb2+/-) 35.Qd1 (35.Qf3 Rc6+/-) 35...Rc4 36.Qb3 Qe8 37.Qd1 Qc6 (37...Qg8 38.Qd2 Qg4+/-) 38.Rb2 (38.Qh5 Qe8+/-) 38...Bc5 39.Re2 (39.Rd2 Kc8+/-) 39...Be7 (39...Bd4 40.cd4 Rd4 41.Qd4 Be2 42.Rb1+/-) 40.Rea2 Bc5 41.h4 (41.Qd2 Kc8+=) 41...Qe8 (41...Kc8 42.h5 (42.Ra6? Ba6 43.h5 Bb7-+) 42...Bf8 43.Qd2+=) 42.g3 (42.Bc5 Rc5 43.Ra3 Qe7+=) 42...Qg8 43.Kh2 (43.Kg2 Bd4 44.cd4 Kc8+/-) 43...Bd4 (43...Kc7 44.Ra6 Ba6 45.Ra6=) 44.cd4+/- Rc3 45.Rg2 (45.Qe1 Rc4+/-) 45...Rd3 46.Qg1 Qg4 47.Qf2 Bc4 (47...Kc8 48.Rc1 Kd8 49.Qb2+=) 48.Qe2 (better is 48.Qe1!?+/-) 48...Qg7 ½–½. Kroon,Piet – Weiss,Leon, La Habana olm fin–D, 1966. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

    8.Bd3 Nh6

    9.Qb3 b6 A) 10.Nf3 Bg7 (10...a6 11.Qa4 Bb7 12.0-0 Bg7 13.Bf4 0-0 14.Re1 b5 15.Qd1 Qd7+=; 10...Nf5 11.0-0 a6 12.Nbd2 Bg7 13.Qa4 Bb7 14.Qc2 Qd7 15.Qb1 Qc7=; 10...Qd7 11.Bb5 a6 12.Bd3 b5 13.0-0 Bg7 14.Re1 Ra7 15.Na3 0-0+=) 11.Bb5 Bb7 12.0-0 a6 13.Bd3 0-0 14.Bf4 b5 15.Nbd2 Nf5+=; B) 10.Bb5 Bb7 11.c4 e6 12.cd5 Qd5 13.Qd5 ed5 14.Nf3 a6 15.Ba4 Bb4+=; C) 10.Nd2 Nf5 (10...a6 11.Ngf3 Bg7 12.0-0 0-0 13.c4 Bf5 14.Rd1 Bd3 15.Qd3 Nf5-/+; 10...Bg7 11.Ne2 0-0 12.Nf4 e6 13.Ba3 Re8 14.Nf3 f6 15.ef6 Qf6+=) 11.Ngf3 Bg7 12.Bb5 Bb7 13.g4 Nh6 14.g5 Nf5 15.Bd3 h6-/+; D) 10.Ne2 Bf5 11.Bb5 Qd7 12.c4 Be4 13.Nec3 Nf5 14.cd5 Nfd4 15.e6 fe6+=.

    9.Qb3 Rb8 A) 10.Bf4 Bg7 11.Bb5 Ra8 12.Nf3 0-0 13.0-0 a6 14.Bc6 bc6 15.Nbd2 Bf5+=; B) 10.Nd2 a6 (10...Bg7 11.Bb5 Ra8 12.Ne2 Bf5 13.Nf4 e6 14.Ba3 Qd7 15.Bc5 a6=; 10...Nf5 11.Ne2 Bh6 12.Nf3 Bc1 13.Rc1 Be6 14.Nf4 Ng7 15.0-0 0-0=; 10...Bf5 11.Bb5 Ra8 12.Bc6 bc6 13.Qb7 Bd7 14.Ra7 Ra7 15.Qa7 Bg7=) 11.Ngf3 Bf5 12.Bf5 Nf5 13.Nf1 Qd7 14.Ne3 Ne3 15.Be3 Bg7+=; C) 10.Bb5 Ra8 11.Ne2 a6 12.Nf4 e6 13.0-0 Bd7 14.Bd3 b5 15.Nh3 Bg7+=; D) 10.Nf3 Bg4 (10...Bf5 11.Bb5 Ra8 12.c4 Be4 13.Nc3 Bf3 14.gf3 Nf5 15.cd5 Nfd4+/- 1.16) 11.Bb5 Ra8 12.c4 dc4 13.Qc4 Bf3 14.gf3 Qc7 15.Nc3 Kd8=.

    9.Qb3 Ng4 A) 10.Ne2 Bg7 (10...b6 11.Bb5 Bb7 12.c4 a6 13.Ra6 Ra6 14.cd5 Qa8 15.Qf3 Ra1+/-; 10...e6 11.Bf4 g5 12.Bg3 h5 13.h3 Nh6 14.h4 g4 15.Nf4 Ng8=; 10...f6 11.h3 Nh6 12.ef6 ef6 13.0-0 Ng8 14.Re1 Kf7 15.Nf4 Nce7+/-) 11.0-0 0-0 12.Nf4 e6 13.h3 Nh6 14.Ba3 Re8 15.Re1 Nf5+=; B) 10.h3 Nh6 11.Ne2 Nf5 12.0-0 e6 13.Nd2 Bg7 14.Re1 0-0 15.Ba3 Re8=; C) 10.Nd2 Bg7 (10...f6 11.h3 Nh6 12.ef6 ef6 13.Ne2 Nf5 14.0-0 Nfe7 15.Re1 Kf7=) 11.Ne2 0-0 12.h3 Nh6 13.Nf4 e6 14.Ba3 Re8 15.Bc5 f6+=; D) 10.Nf3 Bg7 11.0-0 0-0 12.Re1 Nh6 13.Bf4 Nf5 14.Nbd2 Qd7 15.Ng5 Nh6=.

    9.Qb3 Bg7 10.Ne2 0-0 11.Nf4 e6 12.Ba3 Re8 13.Bc5 f6 14.Bb6 Qe7 15.Bc5 Qc7 -/+.

    9.Ne2 Bg7 (9...Bf5 A) 10.Bh6 Bh6 11.Bf5 gf5 12.Ng3 e6 13.Nd2 Rg8 14.Nf3 Qc7 15.0-0 a6+=; B) 10.Nf4 Bd3 (10...Qd7 11.Be2 Bg7 12.Qb3 e6 13.Nd3 Bd3 14.Bd3 0-0 15.h4 Nf5+=; 10...e6 11.0-0 Bd3 12.Nd3 Nf5 13.Qb3 Qc7 14.Na3 Be7 15.Nb5 Qd7+=; 10...Rc8 11.0-0 Bd3 12.Qd3 e6 13.Be3 Nf5 14.Nd2 Be7 15.Rfc1 Qd7+=) 11.Qd3 e6 12.Nd2 Nf5 13.0-0 Bh6 14.Ne2 f6 15.Nf3 fe5-/+; C) 10.0-0 Bd3 11.Qd3 Nf5 12.Nf4 e6 13.Be3 Be7 14.Nd2 0-0 15.Rfc1 Qd7-/+; D) 10.Bb5 a6 11.Bc6 bc6 12.0-0 Qd7 13.Ng3 Bg7 14.Bf4 Bg4 15.f3 Be6+=) 10.Bg5 (10.Qb3 0-0 11.Nf4 e6 12.Ba3 Re8 13.Bc5 f6 14.Bb6 Qe7 15.Bc5 Qc7-/+) 10...f6 (10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.0-0 Qd7 14.Na3 Rg8 15.Qd3 Rg4+=; 10...Nf5 11.0-0 h6 12.Bf4 Qd7 13.Qb3 0-0 14.Bf5 gf5 15.Rc1 Rd8+=) 11.ef6 ef6 12.Bc1 (12.Bf4 0-0 13.0-0 Re8 14.Re1 Bf5 15.Bf5 Nf5+=) 12...0-0 13.h4 (13.0-0 Re8 14.Qb3 b6 15.Bb5 Qd6=) 13...Bf5 (13...Re8 14.h5 g5 15.Qc2 f5-/+) 14.Ng3 (14.Bh6 Bd3 15.Qd3 Bh6-/+) 14...Re8 15.Kf1 (15.Ne2 Qd7-/+) 15...Qd7 (15...Bd3 16.Qd3 Qe7 17.Bd2-/+) 16.Bh6 Bd3 17.Qd3 Bh6 18.h5 Qe6 19.Nd2 Bd2 20.Qd2 g5 21.Kg1 Re7 22.Kh2 Rae8 23.Rhb1 Qg4 24.Qd3 Qf4 25.Kg1 b6 (better is 25...a6!?+=) 26.Qb5+= Re6 27.Qd5 Kh8 28.h6 Qd2 29.Qc4 Na5? (better is 29...Qc2+=) 30.Ra5+- ba5?? (30...Re1 31.Kh2 R1e7+-) 31.Qe6!! 1–0. Duncker,Joachim (2270) – Bornmueller,Erich (1795), Schwaebisch Gmuend GER, 2012. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

    9.Nf3 Bf5 A) 10.c4 Be4 11.Be3 Nf5 12.Nc3 Bf3 13.Qf3 e6 14.Bf5 Bb4 15.Rc1 gf5+=; B) 10.Bb5 Bg7 (10...a6 11.Be2 Bg7 12.Bf4 b5 13.Qd2 Ng8 14.0-0 h6 15.Ra3 g5+=) 11.Qa4 0-0 12.Bc6 bc6 13.Qc6 Bd3 14.Bg5 Nf5 15.Nbd2 Rc8+=; C) 10.Be2 a6 (10...Bg7 11.Bf4 Qb6 12.Qd2 Bb1 13.0-0 Be4 14.Bh6 0-0 15.Bg7 Kg7+=) 11.Bf4 b5 12.Qd2 Ng8 13.0-0 h6 14.Re1 g5 15.Be3 e6+=; D) 10.Bh6 Bh6 11.Bf5 gf5 12.c4 Rg8 13.0-0 Qd7 14.cd5 Qd5 15.Nc3 Qc4+=.

    9.Nf3 Nf5 A) 10.0-0 Bg7 (10...a6 11.Nbd2 Bg7 12.Nb3 0-0 13.Qe2 a5 14.Ra4 b6 15.Bf4 Bd7+=; 10...Qd7 11.Bb5 a6 12.Re1 Bg7 13.e6 fe6 14.Bf4 0-0 15.Ne5 Be5+=) 11.Qb3 0-0 12.Re1 a6 13.Re2 Ra7 14.Rea2 f6 15.Bf4 fe5-/+; B) 10.Qb3 a6 (10...Bg7 11.0-0 0-0 12.Bf4 Qd7 13.Nbd2 Rd8 14.Rfb1 b6 15.Re1 Qc7+=; 10...Qd7 11.0-0 Bg7 12.Bf4 0-0 13.Re1 b6 14.Nbd2 Bb7 15.Ng5 Nd8+=; 10...a5 11.0-0 Bg7 12.Ra4 0-0 13.Bf4 Na7 14.Ra2 b5 15.Na3 a4=) 11.0-0 Bg7 12.g4 Nh6 13.Bh6 Bh6 14.h3 Bf4 15.Ne1 h5-+; C) 10.Nbd2 Bg7 (10...a6 11.0-0 Bg7 12.Re1 0-0 13.Nb3 b6 14.Bf4 Qc7 15.Qd2 Bh8=) 11.0-0 0-0 12.Qb3 Qd7 13.Ba3 Rd8 14.Rfe1 Qc7 15.Bb2 Bh6+=; D) 10.Bf4 a6 (10...Ng7 11.c4 Be6 12.c5 Bg4 13.Nbd2 Bf5 14.Bb5 Ne6 15.Be3 Nc7=; 10...Bg7 11.Qd2 h5 12.0-0 a6 13.Re1 Be6 14.Na3 Qc8 15.Nc2 h4=; 10...Qd7 11.h3 a6 12.0-0 h6 13.Nbd2 Nd8 14.Qb3 Ra7 15.e6 Ne6+=) 11.Nbd2 Bg7 12.0-0 0-0 13.Qe2 Qc7 14.Rfb1 Ra7 15.Nb3 f6+=.

    9.Nf3 Bg4 A) 10.0-0 Qd7 (10...a6 11.Nbd2 Bg7 12.Nb3 Qc7 13.h3 Bf5 14.Bh6 Bh6 15.Bf5 gf5=; 10...Bg7 11.h3 Bf3 12.Qf3 Qd7 13.Nd2 f6 14.ef6 0-0 15.Qe2 Rf6+=; 10...Rc8 11.Nbd2 Bg7 12.Qb3 Rc7 13.Bb5 a6 14.Bc6 Rc6 15.Qb7 Qb6+=) 11.Bb5 Bg7 12.h3 Bf3 13.Qf3 0-0 14.Bg5 Nf5 15.Re1 Qe6-/+; B) 10.Nbd2 Bg7 (10...Bf5 11.Be2 Bg7 12.0-0 0-0 13.Re1 f6 14.ef6 Bf6 15.Nf1 Kg7+=; 10...a6 11.0-0 b5 12.Nb3 Qc8 13.Re1 Bg7 14.Nc5 0-0 15.h3 Bf5=; 10...Qd7 11.Nb3 Bg7 12.Nc5 Qc7 13.h3 Bf5 14.Bf5 Nf5 15.Qb3 e6=) 11.Qb3 Qd7 12.Rb1 b6 13.Bb5 Bf5 14.Qa4 Rc8 15.Ra1 0-0+=; C) 10.Na3 Bg7 (10...e6 11.h3 Qa5 12.hg4 Qc3 13.Ke2 Qa1 14.Nc2 Qb1 15.Bh6 Qd1+=; 10...Nf5 11.h3 Bf3 12.Qf3 Qa5 13.Bd2 Bh6 14.Qd1 Bd2 15.Qd2 Rc8+=; 10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.Qb3 Rb8 14.0-0 Rg8 15.Rfd1 Bf4+=) 11.h3 Bf5 12.Bh6 Bh6 13.Bf5 gf5 14.Qd3 Qd7 15.c4 Rg8+=; D) 10.Qb3 Qd7 (10...Rb8 11.Bb5 Ra8 12.c4 Bf3 13.Qf3 Nf5 14.cd5 Nfd4 15.dc6 Nb5+/-) 11.Nbd2 Bg7 12.Rb1 b6 13.Bb5 Bf5 14.Qa4 Rc8 15.Ra1 0-0+=.

    9.Nf3 Bg7 A) 10.Qb3 Qd7 (10...Nf5 11.0-0 0-0 12.Bf4 a6 13.Nbd2 Ra7 14.h3 b5 15.Rfb1 Re8+=; 10...0-0 11.0-0 f6 12.ef6 Rf6 13.Be4 e6 14.Bd3 Nf7 15.Re1 e5+=; 10...a6 11.0-0 0-0 12.Qd1 Nf5 13.Qb3 Ra7 14.Bf4 b5 15.Nbd2 Be6+=) 11.0-0 0-0 12.Nbd2 Rd8 13.Ba3 Nf5 14.Rfe1 Qc7 15.h3 b6-/+; B) 10.Bg5 Bg4 (10...0-0 11.0-0 Nf5 12.Qb3 h6 13.Bf4 Qd7 14.h3 f6 15.ef6 Bf6=; 10...Nf5 11.0-0 0-0 12.Qb3 h6 13.Bf4 Qd7 14.h3 f6 15.ef6 Bf6=; 10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.c4 Rg8 14.0-0 Qd7 15.cd5 Qd5+=) 11.0-0 0-0 12.h3 Bc8 13.Qb3 Nf5 14.Nbd2 b6 15.Qb5 Qd7+=; C) 10.Bf4 Bf5 (10...Bg4 11.0-0 0-0 12.h3 Bf5 13.Bf5 Nf5 14.g4 Qc8 15.gf5 Qf5=) 11.Bh6 Bh6 12.Bf5 gf5 13.Qb3 Qd7 14.Rg1 Rg8 15.h3 Bf4-/+; D) 10.0-0 0-0 (10...Nf5 11.Bf4 0-0 12.Qb3 Qd7 13.Re1 b6 14.Nbd2 Bb7 15.Ng5 Nd8+=; 10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.c4 Qd7 14.cd5 Qd5 15.Nc3 Qc4=; 10...Bg4 11.h3 Bf3 12.Qf3 0-0 13.Bg5 Qd7 14.Nd2 a5 15.Nb3 b6=) 11.Qb3 Nf5 12.Bf4 Qd7 13.Nbd2 Rd8 14.Rfe1 Qc7 15.Reb1 b6+=.

    9.h4 f5 10.h5 Nf7 11.Nh3 e6 12.Ba3 g5 13.g4 f4 14.Qc2 Ba3 15.Na3 Qa5 16.0-0 Qc7 17.Nb5 Qe7 18.f3 Kd8 19.Nd6 h6 20.Nb5 Bd7 21.Rfb1 b6 22.Bg6 Rf8 23.Bf7 Rf7 24.Nd6 Rg7 25.Rb6! a5 (25...ab6 26.Nb7 Double attack (26.Ra8 Pinning; 26.Ra8 Deflection)) 26.Nf2 a4? (better is 26...Qf8+-) 27.Ra4 Na5 1–0. Johnsen,Svein Harald (1765) – Malin,Odd Gunnar, Klubbmesterskap, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

    9.h4 Bf5 10.Bh6 Bh6 11.h5 Bd3 12.Qd3 Qd7 13.Ne2 Qf5 14.Qb5 Qd7 15.Na3 (15.Qd3!?=) 15...b6 16.Qd3 Na5 17.hg6 hg6 18.Nf4 0-0-0 19.e6 Qc6 20.Nb5 Kb8 (20...Bf4 21.Na7 Kc7 22.Nc6 Rh1 23.Ke2 Ra1 24.Nd8+-) 21.Qg3 Kb7 22.0-0 Bf4 23.Qf4 Qb5 24.Rfb1 Qd3 25.ef7 Nc6 (25...Qc3?! 26.Rc1 Qb2 27.Rab1-+) 26.Re1 Qf5 27.Qc1 Qh5 28.f3 Qh2 29.Kf2 Qh4 30.Ke2 Qg3 31.Rg1 Rd6 32.Qa3 Re6 33.Kd1 Qf2 34.Qa6 Kb8 35.Rf1 Qb2 36.Ra2 Qc3 37.Rc2 (37.Qb5 Rf8-+) 37...Qd4 (better is 37...Qc2! 38.Kc2 Nb4 39.Kb2 Na6 40.Rh1 Re2 41.Kb3-+) 38.Rd2 Qb4 39.Qa1 (39.Qa2 Qc4 40.Qc4 dc4-+) 39...Rc8 (better is 39...Qb3 40.Kc1 Nd4-+) 40.Rc2 Qf4 41.Qg7 Rf6 42.Re1 Rf7 43.Qg6 Qd4 44.Rd2 Qa4 45.Ke2 Rf6 46.Qg3 Kb7 47.Red1 (47.Kf2-+) 47...Qc4 48.Kf2 Qc5 49.Kf1 Rh8 50.Qg4 Qe3 51.g3 Ne5 0–1. Frink,Ferenc (2210) – Ionita,Anduena (2030), Eger Agria op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

    6.d4 d6

    7.Qa4 Bd7 8.d5 Nb8 9.Qd4 b6 10.Na3 Qc7 11.Nb5 Qb7 12.Qc4 Bb5 13.Qb5 Nd7 14.Qa4 Qc7 15.Bb5 a6 (15...Kd8!?=) 16.Ne2+= Ngf6 17.Bc6 Rb8 18.Qa6 Ne4 19.Be3 Nef6 20.0-0 (20.Qa7 Kd8+/-) 20...g6 (20...e6!?+=) 21.Rfb1 Qc8? (better is 21...Kd8+/-) 22.Rb6+- (22.Bb6?! Qa6 23.Ra6 e5+/-) 22...Bg7 23.Qc8 (23.Rb8 Qb8 24.Bd7 Nd7+-) 23...Rc8 24.Rb7 Kd8 25.Raa7 Nc5 26.Re7 Rf8 27.Rf7 Rf7 28.Rf7 Rc7 29.Rc7 Kc7 30.Nf4 g5 31.Bc5 gf4 32.Bb4 Ne4 33.Ba5 Kc8 34.c4 Bd4 35.Be1 Kc7 36.Kf1 Kb6 37.f3 Nc3 38.Bc3 Bc3 39.Ke2 Kc5 40.Kd3 Be5 41.Bb5 Bf6 42.Ke4 Be5 43.h4 h5 44.Kf5 Kd4 45.Kg5 Ke3 46.Kh5 Kf2 47.Kg4 Kg2 48.Bd7 Kf2 49.Bf5 Ke3 50.Be4 Kd4 51.Kf5 1–0. Jaroch,Pawel (2100) – Tokarski,Lukasz (2150), Torun–ch Poland, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.Qa4 Bd7 8.d5 Ne5 9.Qd4 a6 10.f4 Ng6 11.Nf3 e6 12.de6 fe6 13.Bd3 Rc8 14.f5 Nh4 15.Ng5 ef5 16.ef5 Nf5 17.Bf5 Bf5 18.0-0 Rc5 19.Re1 Ne7 20.Ba3 Rc6 21.Nd2 Qd7 22.Nc4+= h6 23.Nf3 Kd8? 24.Nd6+- Kc7 25.Ne5 Rd6 26.Bd6 Qd6 27.Qd6 Kd6 28.Nf7 Kd7 29.Nh8 g5 30.Nf7 Bg7?? 31.Rad1 Ke8 32.Nd6 Kf8 33.Re7! (33.Re7 Ke7 34.Nf5 Kf6 35.Ng7 Kg7 36.Rd7 Kf6 37.Rb7+-) 1–0. Kovachev,D (2190) – Klisurica,Jashar, 23rd ECC Men, Kemer TUR, 2007.

    7.Qa4 Bd7 8.d5 Ne5 9.Qd4 e6 10.f4 Ng6 11.de6 (11.Ra7 e5 12.Ra8 Qa8= (12...ed4? 13.Rd8 Kd8 14.cd4+-)) 11...fe6 (11...Be6? 12.f5 (12.Ra7?! Bd7+-) 12...Bf5 13.ef5 Qh4 14.Qh4 Nh4 15.Bg5+-) 12.Ra7 Ra7 (12...e5 13.Ra8 Qa8 14.fe5 de5 15.Qd3=+) 13.Qa7 Bc6 14.Bd3 Nf6 15.Qe3 Be7 (15...e5 16.Ne2=) 16.Ne2 0-0 17.0-0 (17.Nd4 Qd7=) 17...Ng4 (17...e5 18.f5 Nh8 19.c4=) 18.Qg3 Qb6 19.Kh1 (19.Nd4 h5 20.Kh1 Bh4=+) 19...N4e5 20.Nd4 Nd3 21.Qd3 Bd7 (21...d5 22.ed5 Bd5 23.Be3-/+) 22.Be3= Qa6 23.Qa6 (23.c4 d5 24.Nd2 Bb4=) 23...ba6=+ 24.Nd2 (24.f5 ef5 25.Nf5 a5=+) 24...e5-/+ 25.fe5 Rf1 26.Nf1 Ne5 27.Nd2 (27.Nb3 Bb5 28.Nfd2 Bd3-/+) 27...a5 28.Nc2 Ba4 (28...Kf7 29.Kg1-/+) 29.Nd4 Bd1 30.Nf5 Bf8 31.Bd4 a4 32.Ne3 (32.c4 a3 33.Ne3 Be2-/+) 32...Be2 33.Nc2 (33.Kg1!?-/+) 33...Nc4-+ 34.Nc4 Bc4 35.Na1 (35.Kg1 Bd3 36.Nb4 Be4-+) 35...Bd3 36.e5 de5 37.Be5 Ba3 38.c4 Bc4 (38...Bc5 39.h4-+) 39.Nc2 Bc5 40.Bb2 Bd3 (40...Kf7 41.h3-+) 41.Na3 (41.Ba3 Bf2 (worse 41...Bc2 42.Bc5 Kf7 43.Kg1-+) 42.Nb4 Be4-+) 41...Kf7 42.h3 (42.Bc1 Kf6-+) 42...h5 43.g3 Ke6 (43...g5 44.Kg2-+) 44.Kg2 Be2 (44...Kd5!? 45.Kf3-+) 45.Nb1 Bd3 46.Na3 g6 (46...g5 47.Kf3-+) 47.Kf3 Kd5 (47...Kf5 48.Kg2-+) 48.g4 (48.Bc1 g5!-+) 48...h4 49.Kf4 (49.Kg2 g5-+) 49...Be7 50.Bc1 g5 51.Kf3 Bf1 52.Nc2 Bh3 53.Ne3 Kc6 (53...Ke6 54.Nc2-+) 54.Nf5 Bf6 55.Ne3 Kb5 (55...Kd6 56.Ba3 Ke6 57.Bc1-+) 56.Nd5 (56.Ba3 Bd8-+) 56...Bd8 57.Bb2 Kc4 58.Nf6 (58.Ne3 Kb3 59.Bg7 a3-+) 58...Kb3 (58...a3!? 59.Ba1-+) 59.Ba1 a3 60.Ke4 (60.Ne4 Be7-+) 60...Bf6 (better 60...Bg2 61.Kf5-+) 61.Bf6 Bg4 62.Bg5 (62.Ke3 a2 63.Ba1-+) 62...a2 63.Bf6 h3 0–1. Jaroch,Pawel (2230) – Ajrapetjan,Y (2420), 7th Amplico AIG Life, Warsaw Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.Bc4 Nf6 8.Qb3 (8.Nd2 e6=+) 8...e6=+ (8...Ne4? 9.Bf7 Kd7 10.Qe6 Kc7 11.Qe4+-) 9.Nf3 (9.Bd3 Be7=+) 9...d5 (9...Ne4!? 10.Nbd2 Nf6-/+) 10.ed5=+ ed5 11.Bb5 (11.Bd3 Be7=+) 11...Bd7 (11...Bd6!?-/+) 12.0-0= a6 (12...Be7 13.Bg5=) 13.Re1 Be7 14.Bc6 Bc6 15.Ba3 Ne4 16.c4 (better 16.Nbd2 0-0 17.Be7 Qe7 18.Ne4 de4 19.d5=) 16...0-0?? (better 16...dc4 17.Qe3 f5 18.Be7 Qe7=+) 17.Be7+- Qe7 18.cd5 Nd2?? (18...Bd7 19.d6 Qd6 20.Re4 Bc6+-) 19.Nbd2 (19.Nbd2 Qd7 20.dc6 Qc6 21.Re7+-; 19.Re7?! Nb3 20.dc6 Na1 21.Rb7 Rfb8 22.Rb8 Rb8=) 1–0. Ogunjinme,Ayomide – Mendes,James, BUCA (5), 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.Bd3 e6 8.f4 Nge7 9.Nf3= g6 10.0-0 Bg7 11.Na3 0-0 12.Nc2 b6 13.Ne3 Bb7 14.f5 ef5 15.ef5 gf5 16.Nf5= Nf5 17.Bf5 Ne7? 18.Bh7+/- (18.Bh7 Kh7 19.Ng5 Kg6 20.Qd3 f5 21.Ne6+/-) 1–0. Chulivska,V (2090) – Pastukh,Aleksandra, Femida Open Kharkov UKR (1), 2003.

    7.Bd3 g6 8.Nf3 Bg7 9.0-0 Nf6 10.h3 0-0 11.Na3 Bd7 12.Bg5 Re8 13.Qd2 Rc8 14.Rfb1 Na5 15.c4 Be6 16.Qe2 h6 17.Bd2 Nh5 (17...b6 18.Ba5 ba5 19.Rb7=) 18.g4 Nf6 19.Ba5 Qa5 20.Nb5 (worse is 20.Rb7 Rb8 21.Rb8 Rb8=) 20...Qd8 21.Ra7 h5 22.g5 Nh7 23.h4 Qd7 24.Nd2 f6? (better is 24...Ra8!? 25.Rba1 Ra7 26.Ra7 Rc8+=) 25.e5+- Bf5 26.e6 Qe6 27.Qe6 Be6 28.Bg6 Rf8 29.Bh5 fg5+/- 30.Rb7 Bf6 31.d5 Bf5 32.Nc7?? Bb1-/+ 33.Nb1 Rb8 34.Rb8 Rb8 35.Nd2 gh4 36.Ne6 Ng5 37.Nf4 Nf7 38.Ne4 Rc8 39.Nf6 ef6 40.Be2 Ne5 41.Ng2 Nc4 42.Nh4 Nb6 43.Bg4 Rc5 44.Be6 Kh7 45.Nf5 Nd5 46.Nd6 ½–½. Shchukin,Igor – Snizhko,Vyacheslav, Stepichev Memorial, 2003. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.d5 Nb8 8.Nf3 Nf6 9.Be3 a6 10.h4 e5 11.de6 Be6 12.Ng5 Qd7 13.Na3 (13.Nd2 Nc6+=) 13...Nc6 (13...d5 14.Ne6 fe6 15.ed5 Nd5 16.Bd4-/+) 14.Nc4+= Bc4 15.Bc4 Ne5 16.Bb3 h6 17.f4 Nfg4 18.fe5 Ne3 (worse is 18...hg5 19.e6 Qc6 20.ef7 Kd8 21.Bg5 (21.Qg4?! Qc3 22.Ke2 Qb3+/-) 21...Be7 22.0-0 (22.Qg4?! Qc3 23.Ke2 Qb3+/-) 22...Qc5 23.Qd4 Qd4 24.cd4+-) 19.e6 Qc7 (19...Qc6 20.Qd2 Ng2 21.Kf2 hg5 22.ef7 Kd7 23.Bd5=) 20.ef7 (20.Ba4 b5 21.Bb5 Ke7 22.Qf3 Qc3 23.Ke2 Qc2 24.Ke3 Qc5 25.Kd2 Qb4 26.Kd1 Qb5 27.Nf7+/- (27.Qf7?! Kd8 28.Rh3 Rb8=)) 20...Ke7 21.Qd2 hg5 (better is 21...Qb6 22.Rb1 hg5=) 22.Qe3+= Qc5 23.Qc5 dc5 24.Bd5 Rb8 (24...gh4 25.Bb7 Rb8 26.Bd5+=) 25.0-0 (25.g3 g6+/-) 25...g6? (better is 25...gh4!? 26.Rfb1 Rh6 27.Bb7 g5+=) 26.hg5+- Kd6? (better is 26...Bg7 27.Rf3 Be5+-) 27.Rfb1 1–0. Aleskerov,F (2380) – Ibrahimova,S (2165), Nakhichivan AZE, Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.Be3= Bd7 8.Nf3 a6 9.Bc4 Nf6 10.e5 Nd5?? (10...de5 11.Ne5 e6 12.Bd3+=) 11.ed6?? (11.Bd5 e6 12.Be4 d5+-) 11...ed6?? (11...Ne3 12.fe3 e6 13.d5 ed5 14.Qd5+=) 12.0-0?? Be7?? 13.Re1?? 0-0?? 14.Qb3?? Nb6 15.Bd5 Na4?? 16.Ra4 Na5 17.Ra5! Qa5 18.Qb7 Qb5 19.Qb5 Bb5 20.Ba8 Ra8 21.Na3 Rb8 22.Nb5 Rb5 23.Bd2 a5 24.h3 a4 25.Re2 a3?? 26.Bf4 g6? 27.Re7 a2 28.Re1 Rb1-+ 29.Rb1 ab1Q (29...ab1Q 30.Kh2 d5-+) 0–1. Vezentan,Andreea_Nicoleta – Apostu,Milena_Maria, Calimanesti ROM, Ch U12 (g), 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.Nf3 Nf6 8.Bb5 Bd7 (8...Ne4 9.d5 Qb6 10.Qe2+/-) 9.Qe2 e6 10.d5 ed5 11.ed5 Ne7 12.Bc4 g6 13.0-0 (13.Bf4 Qc7 14.0-0 Bg7+=) 13...Bg7= 14.Re1 Kf8 15.Bf4 Bg4 16.h3 Ned5 (worse is 16...Nfd5 A) 17.hg4?! Nf4 18.Qd2 Be5 19.Ra7 Rb8+= (19...Ra7? 20.Ne5 g5 21.Nf7+-); B) 17.Bg5 Bd7 18.Bd5+-) 17.hg4 Nf4 18.Qd2 d5 19.Qf4 dc4 20.Ne5 Qd5 21.Na3 Nd7 22.Nd7 Qd7 23.Rad1 Qa4 (23...Re8 24.Re8 Qe8 25.Nc4=) 24.Qc7 (better is 24.Rb1!? Qd7 25.Red1+=) 24...Bc3+= 25.Nc4? (better is 25.Rd7!? Kg8 26.Rf7+=) 25...Be1-+ 26.Re1 Qc6 27.Qe5 Kg8 (27...Rg8 28.Nd6 Rg7 29.Qe7 Kg8 30.Rd1-+) 28.Nd6-/+ Rf8 (28...h6 29.Ne4 Rh7 30.Nf6 Kh8 31.Nh5 f6 32.Nf6 Rf7+=) 29.Qf6? (better is 29.g5 Qc7 30.Qf6+=) 29...h5-+ 30.g5 h4 (30...Rh7 31.Kh2-+) 31.Kh2 (31.Re8 Qe8 32.Ne8 Re8-/+) 31...h3! 32.gh3 (32.gh3 Qd7 Pinning (32...Qd7 Decoy)) 32...Qd7 33.Re3 Rh7 (better is 33...Rh5-+) 34.Ne4-/+ Re8 0–1. Wall,Tim (2275) – Holleland,Sigve (2040), London ENG, Classic Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.Nf3 Nf6 8.Bc4 e6 9.Qe2 Be7 10.e5 de5 11.de5 Nd5 12.0-0 Nb6 13.Bd3 Bd7 14.Rd1 Qc7 15.Bf4 h6 16.Na3 a6 17.Nc2 Rc8 18.Ncd4 Nd5 19.Bd2 Nd4 20.cd4 Bc6 21.Rdc1 Qd7 22.h3 Nb4 23.Be4 Be4 24.Qe4 Nd5 25.Nh2 0-0 26.Ng4 f5 27.ef6 Nf6 28.Nh6 gh6 29.Qg6 Kh8 30.Qh6 Nh7 31.Rc8 Rc8 32.Ra5 Bf8 33.Qh4 Qf7 34.Rh5 Be7 35.Qg4 Rg8 36.Qe2 Qg6 37.g3 Bf8 38.Bf4 Bg7 39.Be5 b5 40.Rh4 b4 41.Rg4 Qf5 42.Qa6 Be5 43.Qc8?? Nf8 44.de5? b3 45.Qb8? Qb1 46.Kh2 Qc2 47.Qb6?? b2 48.Qe3?? b1Q (48...b1Q 49.Qh6 Nh7 50.Rg8 Kg8 51.Qe6 Kg7 52.Qe7 Kh6 53.Qd6 Qg6 54.Qd2 Kg7 55.Qd7 Kh8 56.Qd8 Qg8 57.Qg8 Kg8-+) 0–1. Szmidt,P (2015) – Wojtaszek,R (2705), European Blitz, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.f4 d5 8.ed5 Qd5 9.Nf3 =+.

    7.f4 e5 8.Nf3 Bg4 9.d5= Nb8 10.fe5 de5 11.Qa4 Bd7 12.Qb3 Qc7 13.Be3 Na6 14.Na3 Nc5 15.Qc4 a6-/+ 16.Rd1 Bd6 17.Be2 b5 18.Qa2 Ne4 19.Nb5-/+ Bb5 20.Bb5 Ke7 21.0-0?? Nc3-+ 22.Ne5 Nf6 23.Nc6 Kf8 24.Qa1 Nd1 25.Bd4 Bh2 26.Kh1 Nh5 27.Rf3? Re8 28.g4 Re1 29.Kg2 Ne3! 30.Re3 Re3 31.Bc5 Kg8 32.d6 Bd6 33.Be3 Nf4 34.Kf3 Nd5 35.Qa6 Ne3 36.Qa8 Bf8 37.Ke3 Qg3 38.Kd2 Qc7 39.Qe8?? Qd6 40.Kc3 g5 41.Bc4 Qf6 42.Ne5 Kg7 43.Kd3?? Qf1-+ 44.Ke4 Qf4 45.Kd3 h6 46.Nf7 Qf1?? 47.Kc2?? Qc4-+ 48.Kd2 Qf7 (48...Qf7 49.Qe4 h5 50.gh5 Rh5 51.Qe5 Kh6 52.Qh8 Kg6 53.Qh5 Kh5 54.Kd3 g4 55.Kc3 Bg7 56.Kb4 g3 57.Kc5 g2 58.Kb4 Qb7 59.Kc4 g1Q 60.Kd3 Qd1 61.Ke3 Qbf3#; 48...Bb4 49.Ke3 Re8 50.Ne5 Qc2 51.Kd4 Qc3 52.Kd5 Re5) 0–1. Diaz Lombardo,Isidro – Selvas,Silverio (2120), Fide Mercenarios 3th (9), 1995.

    7.f4 e6 8.Nf3 d5 9.e5 a6 10.Bd3 Be7 11.Ba3 b5 12.Be7 Nge7 13.Bb5 Qb6 14.Qe2 Bb7 15.Bd3 a5 16.Na3 Ba6 17.Rb1 Bd3 18.Qd3 Qa6 19.Nb5 0-0 20.Ng5 g6? (better is 20...Ng6 21.0-0 Rab8=) 21.Qh3+- h5 22.Nc7 Qc4 (22...Qc4 23.Na8 Ra8+-) 0–1. Krustev,G (2005) – Ninov,D (2020), MGU–11 Open, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.f4 e6 8.Nf3 Be7 9.Bd3 f5 10.e5 d5 11.g4 (better is 11.Ba3=) 11...Bh4-/+ (worse is 11...fg4 12.Ng5+=) 12.Kf1 fg4 13.Ng5 Bg5 14.fg5 h5 15.h4 gh3 (better is 15...Nge7!?-+) 16.Rh3+= Nge7 17.Na3? (17.Rh5 Kd7=) 17...Kd7 18.Nb5 Nf5 19.Bf5 Qf8 20.Rf3 ef5 21.e6 Kd8 22.Ba3 (better is 22.Bf4!? Be6 23.Nc7=) 22...Qe8 23.e7 Ne7 24.Nd6 Qg6 25.Qb3 b6 26.Re1 Ba6 27.Kf2 f4 28.Rf4 Qd3 29.Qb2 Qh3 30.Nf7+= Kc8 31.Nd6?? Kb8 32.c4?? Ng6 33.Rf7 Qh2 34.Ke3 Qg3 35.Kd2 Nf4 36.Ree7= Qd3 37.Ke1 Qg3 38.Kf1?? Bc4?? 39.Nc4= dc4?? 40.Bd6 Kc8+/- 41.Rf4 Qd3 42.Kg1 Qg3+/- 43.Kf1 Qh3 44.Ke1 Qh1 45.Rf1 Qh4 46.Kd1 Qg4 47.Ke1 Qg5 48.Rc7 Kd8 49.Be7 Qe7 50.Re7 Ke7 51.Qb4 Kd8 52.Qd6 Kc8 53.Rf7 Re8 54.Kd1 (54.Kd1 Re1 55.Ke1 g5 56.Qf8#; 54.Kf2 Re2 55.Ke2 g5 56.Qf8) 1–0. Zala,Gyula (1995) – Laza,Szabolcs (1865), First Saturday FM_A Dec, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.f4 e6 8.Nf3 Nf6 9.Bd3 Be7 10.0-0 0-0 11.e5 Ne8 12.Ba3 b6 13.Nbd2 Bb7 14.Ne4 g6 15.Qe1 Kg7 16.Qg3 Rc8 (16...f6!?=) 17.f5+/- ef5 18.ed6 (18.Nd6 Bd6 19.ed6+/- (19.Bd6?! Nd6 20.ed6 Na5=)) 18...fe4= 19.de7 Ne7 20.Be4 Be4 21.Qe5 f6 22.Qe4 Rf7 23.Ng5? (better is 23.Qd3+=) 23...fg5-+ 24.Qe5 Kg8 25.Rf7 Kf7 26.Rf1 Nf5 27.g4 Qf6 28.Qb5 Qc6 29.Qe5 Qe6 30.gf5 Qe5 31.de5 gf5 32.Rf5 Ke6 33.Rg5 Rc3 34.Bf8 Re3 35.Rh5 Nf6?? 36.ef6+- Kf6 37.Rh7 a5 38.Rb7 Rb3 39.Kg2 a4 40.h4 b5 41.Ra7 Kg6 42.Kf2 Rh3 43.Be7 Kh5 44.Rb7 Rb3 45.Ra7 a3 46.Ke2 b4 47.Bb4 Rb4= ½–½. Palsson,Halldor (1950) – Grigorianas,Grantas, Reykjavik Skakmot Odlinga op, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.f4 Nf6 8.Nf3 e6 9.Bd3 Be7 10.0-0 Qc7 11.Na3 a6 12.Nb5 Qb8 13.Nd6 Bd6 14.e5 Be7 15.ef6 Bf6 16.Ne5 Ne5? (better is 16...Qc7=) 17.fe5+- (17.de5?! Be7=) 17...Be7 18.Qf3 0-0 (18...f5 19.ef6! gf6 20.Bh6+/-) 19.Bh6 (better is 19.Qh3 g6 20.Bh6+-) 19...f5= 20.Qg3 Rf7 21.Rf5?? (better is 21.Be2 Bf8 22.Rfb1=) 21...ef5-+ 22.Bc4 g6 23.Bf4 Qa7 24.Qh3 h5 25.Qg3 Bd8?? 26.Qg6 (26.Qg6 Kh8 27.Qh5 Rh7 28.Qe8 Kg7 29.Qg8) 1–0. Bicchierai,Gregory (2090) – Luciani,Jean Francois (1750), Porticcio 9th op, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    7.f4 g6 8.Nf3 Bg7 9.Bd3 e6 10.Be3 Nge7 11.c4 Bd7 12.Nc3 a6 13.Rb1 Qc7 14.Qc2 0-0 15.0-0 Rab8 16.d5= ed5 17.cd5 Nd8 18.Ne2 Qc2-/+ 19.Bc2 b5 20.Bd4 Nb7 21.Rfc1 Nc5 22.Bg7 Kg7-+ 23.Kf2 a5 24.Ned4 b4 25.Ke3 Rfc8 26.Bd1? a4 27.Nd2 b3 28.Nc4 f5 29.Nd6 Ne4 30.Nc8 Bc8 31.Bf3?? Nd5-+ 32.Kd3 Ba6 33.Nb5 Bb5 34.Kd4 Ndf6 35.Rb2 Rd8 36.Ke3 Rd3 (36...Rd3 37.Ke2 Rd2 38.Ke1 Rb2 39.Rc7 Kh6-+; 36...Nd5 37.Kd4 Ndc3 38.Ke5 Rd5 39.Ke6 Nc5 40.Ke7 Rd7 41.Ke8 Rc7 42.Bc6 Bc6 43.Kd8 Ne6) 0–1. rpatru (2180) – alaamattar (2160), net–chess.com, 2010.

    7.d5 Ne5

    8.Qd4 a6!?+=.

    8.Qd4 Qc7 9.Ra7+= Ra7 10.Qa7 Nf6 11.Be3 Bd7 12.f4 Ng6? (12...Neg4 13.Bb6 Qc8 14.Bd3+=) 13.Bd3 (better is 13.Ba6!? Bc8 14.Bb5 Bd7 15.Qa8 Qd8 16.Qb7 Bb5 17.Qb5 Qd7 18.Qb8 Qd8 19.Qd8 Kd8 20.Nd2+-) 13...e6+= 14.de6 fe6 15.Nf3 Be7 16.Bb6 Qc8 17.g3 0-0 18.0-0 Qa8 19.Nbd2 Qa7 20.Ba7 Bc6 21.Ng5 Ra8 22.Bd4 Nf8 23.e5 N6d7 24.ed6 Bd6 25.Re1 Ra2 26.Nde4 Be4 27.Be4 Nc5 28.Bf3 Nd3 29.Rd1 Nf4 30.gf4 Bf4 31.h4 h6 32.Nh3 Bh2 33.Kh1 Ng6 34.Bf2 Ra3?? 35.Rd8 Kf7 36.Bh5 Kf6?? 37.Rd3 Ne5 38.Bd4 Kf5 39.Re3 g5?? 40.Kg2 Ra2+/- 41.Re2 Re2 42.Be2 Bf4 43.hg5 hg5 44.Nf2 Nc6?? 45.Bd3 1–0. Orfali,Marcelo Rafael (2080) – Fernandez Lledo,Javier (1905), Madrid San Viator, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    8.f4 Nd7 9.Bb5 e5 10.de6 fe6 11.Nf3 Be7 (better is 11...Ngf6!? 12.Ng5 Qe7+=) 12.Qe2 Qc7 13.0-0 (13.Nd4 Kf7 14.Qh5 g6 15.Ne6 Ke6 (15...gh5? 16.Nc7 Rb8 17.Bc4 Kf8 18.Ne6 Kf7 19.Be3+-) 16.Qd5 Kf6 17.Bd7 Kg7 18.Bc8 Nf6 19.Qb7 Rhc8 20.Qc7 Rc7+=) 13...Kf8 14.Nd4 Nc5 15.Bc4 Ke8 16.Kh1 Nf6 17.e5 de5 18.fe5 Nfe4 19.Na3 Nc3 (19...Qe5 20.Bf4 Qf6+=) 20.Qf3+= N5e4 (20...N3e4 21.Qf7 Kd8 22.Nab5+/-) 21.Qf7 (better is 21.Ndb5 Nb5 22.Bb5 Bd7 23.Qe4+-) 21...Kd8= 22.Qg7 Re8 23.Rf7 Nd5 24.Qh7 (better is 24.Bb5!? Bd7 25.Bd7 Kd7 26.Nab5+=) 24...Qe5-/+ 25.Bb2 Ndc3 26.Bc3 Nc3 27.Qd3 Rh8?? (better is 27...Nd5 28.Nac2 Rh8=) 28.Nc6+- (28.Nc6 Kc7 29.Ne5+-) 1–0. Peter,Herbert (1840) – Knollhuber,Peter (1790), Regionalliga SO, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    8.f4 Nd7 9.Bb5 e5 10.Nf3 ef4 11.Bf4 Ngf6 12.e5 de5 13.Ne5 Bc5 14.Nd7 Bd7 15.Qe2 Qe7 16.Bd7 Kd7 17.Qe7 Ke7 18.c4 Rhe8 19.Kd1 Kd7 20.Nd2 Ne4 21.Re1 Nd2 22.Kd2?? Bb4-+ (22...Bb4 23.Kd3 Re1 24.Re1 Be1-+) 0–1. Meijer,Wilmar (1935) – Starace,Umberto (1900), IECG, 2000.

    8.f4 Nd7 9.Nf3 Nc5!?=.

    8.f4 Nd7 9.Nf3 Qc7 10.c4 (10.Bb5 a6=) 10...Ngf6=+ 11.Nc3 g6 (11...Qb6 12.Qa4 e5 13.de6 fe6 14.Ng5=+) 12.Nb5 Qb6 (better 12...Qb8!?=+) 13.e5+= Ng4 (13...de5 14.fe5 Ne4+/-) 14.Qe2 (14.Qd4 Qd4 15.Nfd4+/- (15.Nbd4?! a6=)) 14...de5= 15.h3 e4 16.hg4 ef3 17.gf3 Bg7 18.Be3 (18.Ra2 a6+=) 18...Qd8 19.Nd4 White plans f5 (19.Ra3!? a6 20.d6=) 19...Nf6 20.f5 (20.Ra3=+) 20...0-0 (20...gf5 21.g5 Ng8 22.Rd1-/+) 21.Rd1 (21.Qh2 a5=) 21...Qd6 (21...Qa5 22.Qd2 Qd2 23.Rd2=+) 22.Kf2 (22.Nb5!? Qb4 23.Bd2=) 22...Bd7 23.c5 (better 23.Ke1!?=+) 23...Qd5-+ (23...Qc5?! 24.Ne6 Qb4 25.Ng7 Kg7 26.Bh6 Kg8 27.g5=) 24.Ne6 (24.Bg2 Qe5 25.f4-/+) 24...Ng4! (24...fe6?! 25.Rd5 Nd5 26.fg6 hg6 27.Bh6 Bd4 28.Ke1 Bc5 29.Bf8 Bb4 30.Kf2 Bc5 31.Kg3 Bd6 32.Kf2 Bc5 33.Ke1 Bb4 34.Kf2 Bc5=; worse 24...Be6 25.Rd5 Bd5 26.Kg1-/+) 25.Kg1 (25.fg4 Qh1 Pinning (25...Qh1 Deflection; 25...fe6 Zwischenzug)) 25...Qf5?? (better 25...Bb5! 26.Rd5 Be2 27.fg4 fe6-+) 26.Ng7=+ Qe5 27.fg4 Qg3?? (better 27...Bg4 28.Qg4 Qe3 29.Kg2 Kg7-/+) 28.Bg2+/- Bg4 (28...Rfd8 29.Qe1 Qe1 30.Re1 Kg7 31.Bb7+-) 29.Qe1+- Qe1 30.Re1 Kg7 31.Bh6 Kg8 (31...Kf6 32.Bb7 Rfd8 33.Ba8 Ra8 34.Bd2+/-) 32.Bf8 Kf8 (32...Rf8 33.Bb7 Kg7 34.c6+-) 33.Rh4 (33.Rh7!? Kg8 34.Rh4 Bf5 35.Bb7 Re8+-) 33...h5 34.Bb7 Rb8 35.c6 f6?? (35...Bc8+-) 36.Rg4! hg4 37.c7 (37.c7 Re8 38.Rd1+-) 1-0. Rozman,Levy (2340) - Vidit,S (2725), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4)

    8.f4 Nd7 9.Nf3 g6 10.Qd4+/- Ndf6 11.e5 de5 12.fe5 Qd5 13.ef6 Qd4 (13...Nf6!? 14.Be3 Qd4 15.Bd4 a6+=) 14.Nd4+/- Nf6 15.Nb5 Kd8 16.Bc4 a6 17.Be3 Kd7 (17...Bf5 18.Bf7 e5 19.Bg5+=) 18.0-0 ab5?? (better is 18...Bg7+/-) 19.Bb5+- Kc7 20.Ra8 Nd5 (20...Bf5 21.Bd4+-) 21.Bd4 f6 22.Bc4 Be6 23.Na3 Bg7 24.Rh8 Bh8 25.Re1 Kd7 26.Bb5 Kd6 27.Nc4 Kc7 28.Re6 (28.Re6 Kb8 29.Na5+-) 1–0. Kuespert,Helmut (1970) – Kauppert,Joachim (1645), Nuremberg–ch op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

    6.d4 e6

    7.Na3 a6 8.Bf4 Nge7?? (better is 8...Nf6 9.Bd3 d5+=) 9.Nb5!+- e5?? 10.Nd6 1–0. Korostenski,Frank – Slavin,Pablo, OP–2010-0-01126, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Na3 Nf6 8.d5 ed5 9.ed5 Ne5 10.d6 Qa5 11.Bb2 Qb6 12.Nb5 Neg4 13.Nh3 Kd8 14.c4 a6? (better is 14...Qc5+/-) 15.Qd4+- Qc6 16.Ng5 Nh6 17.Be2?? (better is 17.Nc7 Bd6 18.Na8 Re8 19.Kd1+-) 17...ab5+/- (17...Qg2?? 18.Qf6! gf6 19.Bf6 Be7 20.de7 Ke8 21.Nd6) 18.Ra8 Qd6 (18...bc4!? 19.Ba3 Ne8+-) 19.0-0+- b6 20.cb5 Qd4 21.Bd4 Bc5 (21...Kc7+-) 22.Bc5 bc5 23.b6 Ke7 24.b7! Bb7 25.Rh8 1–0. Korostenski,Frank (1640) – Popov,Misha, OP–2011–0-01868, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Nd2 d5 8.Ngf3 Nf6 9.e5 Nd7 10.Bd3 Nb6 11.Qc2 Qc7 12.0-0 h6 13.Ba3 Ba3 14.Ra3 0-0 15.Rc1 Bd7 16.Qb1 Rfc8 17.Bh7 Kh8 18.Bd3 Ne7 19.Qb4 Bc6 20.Rca1 a6 21.Ne1 Na4 22.Ra4 Ba4 23.Ra4 Qc3 24.Qc3 Rc3 25.Kf1 Rac8 26.Ke2 f6 27.Nef3 Nc6 28.h4 f5 29.Nb1 Rb3 30.Nbd2 Rb4 31.Rb4 Nb4 32.h5 g5 33.hg6 Kg7 34.Nh4 Rc3 35.Bb1 a5 36.Nf1 f4 37.Kd2 Rc4 38.Kd1 a4 39.Nd2 Rc6 (39...Rd4?! 40.Nhf3 Nc6 41.Nd4 Nd4 42.Kc1+=) 40.g4 fg3! 41.fg3 Rc3 (41...a3 42.Ng2-+) 42.Ng2 (42.g4!?-+) 42...Nc6 (42...Rg3?! 43.Nf4 Rg1 44.Ke2-/+) 43.Nf1 Nd4 44.Nf4 Kg8 45.Kd2 Rb3 46.Ba2 Rb2 47.Kc3 Ra2 (47...Ra2 48.Kd4 Rf2 49.Ne6 Rf1-+) 0–1. Knoeppel,Peter Otto – Schueller,Rudolf, DESC, 2003. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Bd3 d5 8.e5 Nge7 9.Ba3 Ng6 10.Bf8 Nf8 11.Na3 a6 (11...Nd7!?+=) 12.Nb5+= Qg5?? (12...Ng6!?+=) 13.Nd6 (better is 13.Nc7 Kd8 14.Na8 Qg2 15.Qf3 Qf3 16.Nf3+-) 13...Ke7+/- 14.Nf3 Qh5 15.Qb3 Nd7 16.0-0 (16.Nb7 Bb7 17.Qb7 Na7+-) 16...f6+= 17.Nc8 Rhc8 18.ef6 gf6 19.Rfe1 b5 20.Qa3+/- Kf7 21.Qd6 Nf8 22.Bb5 ab5 23.Ra8 Ra8 24.Qc6 Re8 25.Qb5+/- Ng6 26.Re3 Nf4 27.Qd7 Re7 28.Qd6 Qg4 29.g3 Nh3 30.Kg2 Ra7 31.Re2 h5 32.Rb2 Ng5 33.Ng5 fg5 34.Qb8 Rd7 35.Qe5 Qe4 36.Qe4 de4 37.Re2 Rc7 38.Re3 Kf6 39.h3 Kf5 40.f3 ef3 41.Kf3 g4 42.hg4 hg4 43.Ke2 Ra7 44.Kd3 Ra3 45.Re5 Kf6 46.Rc5 Ra2 47.Ke3+- Ra8 48.Kf4 Rg8 49.Rc6 Ke7 50.Rc7 Kd6 51.Rc5 Kd7 52.Re5 Rc8 53.Re3 Rg8 54.c4 Rg7 55.Re5 Re7 56.Kg4 Kc7 57.Re4 Rg7 58.Kf4 Kd6 59.g4 Rc7 60.c5 Kd5 61.Ke3 Re7 62.Re5 Kc4 63.c6 Rg7 64.g5 Rh7 65.Rc5 (65.Rc5 Kb4 66.c7 Rh3 67.Kf4 e5 68.Ke5 Re3 69.Kd6+-) 1–0. Haemmerlein,Thomas – Matzkowiak,Roman, Berlin–chT, 1995. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

    7.Bd3 d5 8.e5 Nge7 9.f4 g6 10.Nf3 Bg7 11.Na3 a6 12.Nc2 0-0 13.h4 h5 14.Ne3 Nf5 15.g4 Ne3 16.Be3 hg4 17.Ng5 b5 (17...f5!?+=) 18.h5 f5 19.ef6 Bf6 (worse is 19...Qf6 20.Bg6 Rd8 21.Nf7+/- (21.Qg4 e5 22.f5 ed4 23.Bf7 Kf8 24.Nh7 Kf7 25.Nf6 Ne5+-)) 20.hg6 Bg5 21.fg5 e5 (21...Rf3 22.Qe2=) 22.Qe2 ed4?? (better is 22...Rf3 23.de5 Qe7+=) 23.Qh2 (23.Rh8 Kg7 24.Bd4 Nd4 25.Qe5 Rf6 26.gf6 Qf6 27.Rh7 Kg8 28.Qe8 Qf8 29.Rh8 Kh8 30.Qf8) 23...Rf1 24.Bf1 Kf8 25.cd4 Bf5 (25...Ke8 26.Qh8 Kd7 27.Rh7 Ne7 28.Qe5+-) 26.Qh7 Ra7 27.g7! Rg7 28.Qf5 Kg8 29.Bd3 Qe7 30.Qd5 Rf7 31.Ke2 Nb4 32.Qe5 Qe5 33.de5 Nd3 34.Kd3 Rf3 35.Ke4 Rh3 36.Rh3 gh3 37.Rh1 Kg7 38.Rh3 Kg6 39.Rh6 Kf7 40.Ra6 b4 41.Rb6 b3+- 42.Kf5 b2 43.g6 Kg8 44.Kf6 b1Q 45.Rb1 Kf8 46.Rb8 1–0. Stone,Jim – Matei,Adrian, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Bd3 d6 8.Ne2 Nf6 9.0-0 Be7 10.f4 0-0 11.Nd2 a6 12.f5 Qc7 13.Ng3 b5 14.Nf3 Rb8 15.e5 de5-+ 16.de5 Qb6 17.Kh1-/+ Ng4 18.f6 gf6 19.ef6 Bf6 20.Nh5? Bc3-+ 21.Qc2 Ba1 22.Bh7 Kh8 23.Bb2 Bb2 24.Qb2 e5 25.h3 Kh7 26.hg4 f6 27.Qc2 Kh8 28.Qg6= Qa7 29.Ng5 Bf5 30.Rf5 Rbd8 31.Qh6 Kg8 32.Rf1 fg5 33.Qg5?? Kh7-+ 34.Nf6 Rf6! 35.Qf6 Rh8 36.Kh2 e4 37.Rf5? Kg8 38.Rh5 Qc7 39.g3 Rh5 40.gh5 Ne5 41.Qg5 Qg7 42.Qf5 e3 (42...e3 43.Kg2 Qb7 44.Kf1 Nc4 45.Qg6 Qg7 46.Qa6 Qg3 47.Qe6 Kh7 48.Qe4 Kh6-+) 0–1. gbsr (1810) – gregorgysi (2055), net–chess.com, 2009.

    7.Bd3 Nge7 8.Na3 Ng6 9.Nf3 Be7 10.0-0 0-0 11.Ne1 d6 12.Qh5 e5 13.Nac2 Na5 14.Rb1 Qc7 15.Ne3 Nf4 16.Qd1 Qc3 17.Bb2 Qb3 18.Qd2 Qe6?? (better is 18...Nd3 19.Nd3 Nc4 20.Nc4 Qc4-/+) 19.Qa5+/- Nd3 20.Nd3 ed4 21.Nd5 Bd8 22.Qe1 f5 23.N3f4 (23.Bd4?! Qe4 24.Qe4 fe4=) 23...Qe4 24.Qe4 (better is 24.Qb4 a5 25.Qc4+- (25.Qd4?! Qd4 26.Bd4 g5=)) 24...fe4= 25.Bd4 b6 26.Rfe1 Bg5 (better is 26...Bb7+=) 27.Nc7+/- Bf4 28.Na8 d5 29.g3 Bd6 30.Rec1 e3 31.Nc7 Bf5 (31...e2+-) 32.Ra1 (32.Nd5?! Bb1 33.Rb1 ef2 34.Bf2 Kf7+=) 32...e2 33.Nd5 Rd8 (better is 33...Rf7+-) 34.Ne3 (34.Ra7?! Bf8 35.Ne7 Be7 36.Re7 Rd4 37.Re2 Rd7+-) 34...Bd3 35.Ra7 Bb4 36.Bb6 (36.Rg7?! Kf8 37.Ra7 e1Q 38.Re1 Be1+-) 36...Rb8 37.Bc7 Re8 (37...Rb5 38.Ng2 Bd2 39.Re1+-) 38.Ba5 Bc5 (38...Ba3 39.Re1 Bc5+-) 39.Rc5 1–0. Gallegos,Paul (2025) – Macabeo,Rolando, Burlingame op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.d5 ed5 8.ed5 Ne5 9.Bf4 Bd6 10.Bg3 Qe7 11.Be2 Nf6 12.Nf3 Nf3-+ 13.gf3 b6 14.0-0 0-0 15.Ba6 Bg3 16.hg3 Ba6 17.Ra6 Qc5 18.Qa4 Nd5 19.Qd7 Nc7 20.Re1?? Na6 0–1. rpatru – pierred, internet, 2010.

    7.d5 Ne5 8.Qd4 Qc7 9.Ba3 (9.Na3!? Ba3 10.Ra3 ed5 11.ed5=) 9...d6+= 10.c4 (10.Bb5 Bd7 11.Bd7 Qd7+=) 10...b6 11.Nc3 Bd7 12.Rc1 (12.Nb5 Bb5 13.cb5 Nf6+=) 12...a6-/+ 13.f4 Ng6 14.g3 e5 15.Qd2 ef4 16.gf4 Be7 17.Nf3 Bg4 18.Qe3 Bf3 19.Qf3 Bh4 20.Kd1 Nh6 21.e5 (21.Bd3 Bf6+=) 21...Be7 22.Ne4 (22.e6 0-0 23.Bd3 fe6 24.Bg6 hg6 25.de6 Qc4-/+) 22...Nf5 (better is 22...de5 23.d6 Rd8-/+) 23.Bh3 de5 24.Bf5 Ba3 25.Qa3 Nf4 (25...ef4 26.Re1 f3 27.d6+- (27.Qf3?! 0-0+-)) 26.d6 Qc6 27.d7 (27.Rg1 Ng6 28.d7 Kd8 29.Nd6+-) 27...Kd8+= 28.Qd6 Qa4? (28...Qd6 29.Nd6 Rf8 30.c5+=) 29.Ke1 (29.Kd2 Qa2 30.Rc2 Qa5 31.Ke3+-) 29...Qb3+= 30.Nd2 Qe3 31.Kd1 Qc5 32.Qc5 bc5 33.Rb1 g6 34.Be4 Kd7 35.Ba8 Ra8 36.Rb7 Ke6 37.Nb3 Nd3 38.Kd2 e4 39.Ra1 f5 40.Rb6 Ke5 41.Raa6 Rd8 42.Re6 Kf4 43.Rad6 Rb8 44.Kc3 Kf3 45.h4 f4?? 46.Nd2+- Kg4 47.Ne4 Nc1 48.Nc5 f3 49.Rf6 Ne2 50.Kd2 Ra8 51.Nd3 Kg3 52.c5 Kg2 53.Ne1 (53.Ne1 Kh1 54.Rf3 Ra2 55.Ke3+-) 1–0. Jaroch,Karol – Kowal,Mieczyslaw, Chelmza Poland, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Nf3 d6 8.Bd3 Qc7 9.0-0 Nf6 10.Na3 Be7 11.Qc2 h6 12.Nd2 (12.Nb5 Qb8=) 12...0-0+= 13.f4 Bd7 14.e5 de5 15.fe5 Nd5 16.Ne4 f5 17.ef6 Bf6 18.Nb5 Qb8 19.Qe2 a6 20.Na3 (20.Nf6 Rf6 21.Rf6 Nf6+=) 20...Be7 (20...Nc3 21.Nf6 Rf6 22.Qc2 Rf1 23.Bf1-+) 21.Ra2 (21.Qg4 Rf1 22.Bf1 Kh8+=) 21...b5 (21...Rf1!? 22.Qf1 e5-/+) 22.Qg4+= Rf1 23.Kf1? (better is 23.Bf1 Kh8 24.Rf2+=) 23...Qh2-+ 24.Ng3 (24.Ke2 b4 25.Nb5-+) 24...Rf8 25.Rf2 Rf2 (better is 25...Ba3 26.Rf8 Bf8 27.Bd2-+) 26.Kf2 Bh4 27.Bd2 Qg3 28.Qg3 Bg3 29.Kg3 Nb6 30.Nc2 Kf7 31.Kf4 Ne7 32.Ke5 Bc6 33.g3 Nec8 34.Nb4 Bb7 35.Kf4 Nd6 36.Be2 Nbc4 37.Be1 g6 38.Nd3 a5 39.Ne5 Ne5 40.de5 Nc4 41.Bc4 bc4 42.Bf2 g5 43.Kg4 Kg6 44.Bc5 h5 45.Kh3-+ Kf5 46.Bd6 a4 47.Kh2 Ke4 48.Kh3 Kd3 49.Bb4 a3! 50.Ba3 Kc3 51.g4 Kd4 52.gh5 Ke5 53.Kg4 c3 54.Kg5 Be4 55.Bb4 c2 56.Ba3 Kd5 57.Kf4 Bh7 58.Bb2 e5! 59.Ke3 Kd6 60.h6 Kd5 61.Ba3 Kc4-+ 62.Kd2 Kb3 63.Bd6?? e4 64.Be5 ½–½. Husarik,Branko (2080) – Parpel,Petr (1860), Czechia KP–chTA, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Nf3 d6 8.Bd3 Be7 9.e5 h5 (9...de5 10.de5 Qc7 11.Bf4=+) 10.ed6 Bd6 11.0-0 Nf6 12.Re1 0-0 13.Nbd2 (13.Bg5 Re8=) 13...a6 14.Nc4 Be7 15.Nfe5 Nd5 (15...h4!?+=) 16.Qh5+- Ne5?? (better 16...Nf6 17.Qh3 Re8+-) 17.Qh7 (17.de5?! f5 18.ef6 Nf6+-; 17.Ne5?! Nf6 18.Qh4 Re8+-; 17.Re5?! f5 18.Bd2 b5+=; 17.Qe5?! Nc3 18.Bd2 Nb5=) 1–0. juliangon (2705) – shm19cs (1680), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Nf3 d6 8.Bd3 Nf6 9.h3 Be7 10.g4 h6 11.Ra2 (11.0-0 0-0=+) 11...Bd7-/+ 12.Na3 (12.0-0 0-0-/+) 12...a6 13.Be3 b5 14.Nc2 (14.0-0 0-0-/+) 14...a5 (14...d5!? 15.Nd2 de4 16.Ne4 Nd5-+) 15.Bd2 Rb8 16.Rb2 d5 17.ed5 Nd5 18.Rb5 (18.0-0 b4 19.c4 Nc3-/+) 18...a4 (better 18...Ncb4!? 19.Rb4 ab4 20.cb4 Ba4-+) 19.Rb8 (19.0-0 h5=+) 19...Qb8 (19...Nb8?! 20.c4 Nf6 21.0-0=) 20.c4 Ndb4 (20...Nf4 21.Be4=+) 21.Bb4 (21.Be4 f5 22.gf5 ef5=) 21...Bb4 22.Nb4 Qb4 23.Qd2 0-0 24.Qb4 Nb4 25.Ne5 (25.Be2 Rb8 26.Kd2 Nc6=+) 25...Nd3-/+ 26.Nd3 Bc6 27.0-0 Rb8 28.Ne5 (28.Ra1 Rb3 29.d5 ed5-/+ (29...Rd3?! 30.dc6 Rd6 31.Ra4 Rc6 32.Kg2=)) 28...Be8 (28...Be4 29.c5-/+) 29.c5 (29.d5 ed5 30.cd5 Kf8-/+) 29...f6 30.Nc4 Rb3 31.Na5 Rh3 (better 31...Rc3!? 32.Ra1 Bb5-/+) 32.f3= h5 33.c6 hg4 34.Kg2? (better 34.c7 Bd7 35.Nc4=+) 34...a3 (better 34...Rf3 35.Rc1 a3-+) 35.Rf2? (35.fg4 Rc3 36.Ra1-+) 35...Rf3 36.Rc2 Kf7 37.c7 Bd7 38.Nc4 (38.Nb7 Kg6-+) 38...Rb3 39.Ra2 (39.Kf1 Ke7-+) 39...Rc3 40.Na3 Rc7 41.Nc2 (41.Rc2 Rc2 42.Nc2-+) 41...Bc6 42.Kf2 Bd5 43.Rb2 Rc3 44.Ne3 (44.Ne1 g3 45.Kf1 Rc1-+) 44...g3! 45.Ke2 (45.Kg3 Re3 Deflection) 45...g2 46.Rb1 Be4 (better 46...Rb3 47.Rc1 Rb2 48.Kd3-+) 47.Ra1 (47.Re1 f5 48.Kf2 Kf6-+) 47...f5 (better 47...Ra3 48.Rg1 Ra2 49.Ke1-+) 48.Rg1 (48.Kf2 Kf6 49.Re1 f4-+) 48...g5 (better 48...f4 49.Ng2 Rc2 50.Kf1 Bd3 51.Ke1-+) 49.Nd1 (49.Ng2 Rc2 50.Ke3 Rg2 51.Rc1-+) 49...Rc1 50.Kf2 (50.Kd2 Ra1-+) 50...Rc2 (better 50...g4 51.Kg3-+) 51.Ke3 Rc1 52.Kd2?? (52.Kf2 g4 53.Ke3-+) 52...Ra1-+ 53.Ke2 (53.Ke3 g4-+) 53...f4 54.Re1 g4 55.Kd2 Bf3 (55...Bf3 56.Kc2 Rd1 57.Re4 Be4 58.Kc3 g1Q 59.Kc4 Qd4 60.Kb5 Rb1 61.Ka5 Qa7) 0–1. Schmitz,Karl_Heinz – Lombardi,Marco (1825), Dortmund Germany, Sparkassen Open–B, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

    7.Nf3 Nf6 8.Bd3 Qc7 9.0-0 d6 10.Na3 Be7 11.Nc4 0-0 12.Ba3 e5 13.h3 b5 14.Ne3 Rb8 15.Rb1 ed4 16.cd4 b4 17.Bb2 a5 18.d5 Na7 19.Rc1 Qd8 20.Nd4 Ra8 21.Nc4 Bd7 22.Nd2 Rc8 23.Qb3 Nh5 24.f4 Bh4 25.Bc4 Qb6 26.Qd3 Rc7 27.g4= Nf6 28.Kg2 Nc8?? 29.N2f3 Nd5 30.Bd5+- Bd8 31.e5 de5 32.fe5 Ne7? 33.Ng5 Ng6 34.Nf7 Be7 35.Ng5 (35.Ng5 Kh8 36.Rc7 Qc7 37.Nf7 Kg8 38.e6+-) 1–0. Popov,Kirill – Danchenkova,J (1990), 13th FIDE Open, Voronezh RUS, 2009.

    6.d4 Nf6

    7.Bd3 d5 8.e5 Nd7 9.e6=+ Nf6 10.ef7 Kf7 11.Nf3 Qc7.

    7.Bd3 e6 8.Nf3 d6 9.0-0 Be7 10.Qc2 Bd7 11.Re1 Rc8 12.Ba3 a5 13.Qb2 0-0 14.Nbd2 Qc7 15.Rab1 Rb8 16.Qc2 Rfc8 17.Rec1 g6 18.e5 de5 19.Be7 Ne7 20.Ne4? (better is 20.Ne5 Bc6 21.Qa2+=) 20...Ne4-+ 21.Be4 f5 22.Bb7 Rb7 23.Ne5 Rb1 24.Qb1 a4 25.Qa2 Qd6 26.Nd3 Nd5 27.Nc5 Bc6 28.Qe2 (28.Nd3 Nf6-+) 28...Nf4 29.Qe3 Ng2 30.Qe6 Qe6 31.Ne6 Nh4 32.h3 a3 33.Ra1 (33.Kh2 Nf3 34.Kg3 Kf7-+) 33...Nf3 34.Kf1 Bb5 35.Kg2 Rc3 36.d5 Kf7 37.Nf4 Ke7 38.Ra2 (38.Ne6 Bc4 39.Nc7 Kd6 40.Ne8 Ke5-+) 38...Ne1 39.Kh2 0–1. NikMed – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6)

    7.d5 Nb8 8.e5 Ng8 9.Bd3 g6 10.Nf3 Bg7 11.Qe2 Nh6 12.h4 a5 13.h5 Na6 14.Ng5 Nc5 15.Bc2 b6 16.Ra3 Ba6 17.c4 Qb8 18.Bf4 Bc4 (better is 18...Qc7!?=) 19.Qc4+/- Be5 20.Bd2 Nf5 21.Rf3 Nd6 22.Qe2 Nf5 23.Bf5 gf5 24.Rf5 f6 25.Nf3 Qd6 26.Nc3 0-0-0? 27.0-0 e6 28.Ne5 fe5 29.Re5 Rhg8 30.Rb1 Rg7 31.Nb5 Qb8 32.Bf4 Rdg8 33.g3 d6 34.Re6 Ne6 35.Qe6 Kb7 36.Nd6 Ka6 37.Qe2 Ka7 38.Nb5 Kb7 39.Bb8 Kb8 40.Qe5 Kb7 41.d6 (41.d6 Kc8 42.Qe6 Kb7 43.Qd5 Ka6 44.Nc7 Ka7 45.Qc6 Rb8 46.Rb6 Rg3 47.fg3 Rb6 48.Qa8) 1–0. Hofmann,Ma – Muellneritsch,Anton, AUT–ch sf Finkenstein, 1990. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6)

    7.d5 Ne5= 8.Qd4 d6 9.Ra7 Ra7 10.Qa7 e6 11.Bb5 Ned7.

    7.d5 Ne5 8.f4 Ng6 9.e5 Ng8 10.h4 e6 11.d6 (better 11.h5 Nh4 12.d6+=) 11...Qb6 (better 11...Nh4!? 12.Be3 a6=) 12.Na3 (12.h5 Nh4 13.g4+- (13.Rh4?! Qg1 14.Rh3 Qb6+/-)) 12...f6? (12...Nh4 13.Rh4 Qg1+-) 13.h5+- fe5? (13...Qa5 14.hg6 Qc3 15.Qd2 Qg3 16.Kd1 Qb3 17.Qc2 Qc2 18.Kc2 h6+-) 14.hg6 Nf6 15.fe5 Nd5 (15...Qa5 16.Qd4 Bd6 17.ed6 h5+-) 16.Rh7 Rh7 (16...Qa5 17.Qf3 Qc3 18.Qc3 Nc3 19.Rh8 b6 20.Bg5 Bb7 21.Be7 Bg2 22.Rf8) 17.gh7 Nc3 18.Qh5 Kd8 (18...g6 19.Qg6 Kd8 20.Bg5 Be7 21.h8Q) 19.Bg5 Be7 20.Be7 (20.h8Q) 1-0. juliangon – pipesharp, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4)

    7.e5 Ng8 8.Bb5 d5 9.ed6 e6 10.Bf4 Bd6 11.Bd6 Qd6.

    7.Bd3 d6

    8.Nd2 Qc7 9.Ngf3 e6 10.c4 Be7 11.0-0 0-0.

    8.Nd2 e6=+ 9.Ngf3 Be7 10.0-0 Qc7 11.Re1 0-0.

    8.Ne2 d5 9.e5 Nd7 10.Nf4 Nb6 11.0-0 g5.

    8.Ne2 e6 9.Nd2 Be7 10.0-0 0-0 11.Ng3 Bd7.

    8.Nf3 d5 9.Nbd2 Bg4 10.Qb3 de4 11.Ne4 Bf3.

    8.Nf3 e6 9.0-0 Be7 10.Qc2 Bd7 11.Bf4 a6.

    8.f4 Qc7 9.Nf3 a6 10.0-0= Bg4 11.h3 Bd7 12.e5 de5 13.fe5+= Nd5 14.Ng5 Nd8 15.Qf3 Nc3? 16.e6+- Be6 17.Ne6 Ne6 18.Qf7 Kd7+/- 19.Nc3 Qc3 20.Bf5 Qc6 21.Ba3 Qd5 22.Rfe1 Qd4 23.Kh1 Qb6 24.Rac1 (24.Rac1 Kd8 25.Re6 Qc7 26.Rd6 Qd6 27.Bd6 e6 28.Bc7 Kc8 29.Qe6) 1–0. Wuehl,Martin – Fenske,Nils, Badenweiler op (5), 1995.

    8.f4 d5 9.e5 Ng8 10.Nf3=+ Nh6 11.Qb3 Nf5.

    8.f4 e6 9.Nf3 Be7 10.0-0 d5 11.e5 Ne4 12.Be4 de4 13.Ng5 Bg5 14.fg5 0-0 (14...b5!?=) 15.Ba3+= Ne7 16.Nd2 e3 17.Ne4 Bd7 18.Qh5 f6?? (18...e2 19.Be7 ef1Q 20.Kf1 Bb5 (20...Qe7? 21.Nf6 gf6 22.gf6 Qf6 23.ef6+-) 21.Kg1 A) 21...Qe7? 22.Nf6 Qf6 23.gf6+- (23.ef6?! Bc4+/-); B) 21...Qd5=) 19.gf6+- Be8 (19...e2 20.Qe2 (20.fe7?! ef1Q 21.Rf1 Rf1 22.Kf1 Qe8+=) 20...Nf5 21.Bf8 Qf8 22.Qa2+-) 20.fe7 (20.fe7 Rf1 21.Rf1 Bh5 22.ed8Q Rd8 23.Re1+-; 20.Be7?! Bh5 21.Bd8 Rfd8+-) 1–0. Lotero,Faiber (2175) – Garces,Javier (2000), Ibague COL, Men Ch, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6)

    7.e5 Nd5

    8.Qb3 Nc7 9.Nf3 d5 10.ed6 ed6 11.Bd3 Be7.

    8.Qb3 e6 9.Nf3 d6 10.Bb5 Be7 11.0-0 0-0.

    8.c4 Ndb4 9.Bd2 d5 10.Qa4 Na6 11.cd5 Qd5.

    8.c4 Ndb4 9.f4? Nd4!-+ 10.Na3 Qa5 11.Bd2? Nbc2! 12.Nc2 Nc2 13.Qc2 Qa1 14.Kf2 e6 15.g3 b6 16.Bg2 Bc5 17.Ke2 Rb8 18.Nh3 Qd4 19.Rf1 Ba6 20.Ke1 Bc4 21.Rf2 0-0 22.Re2 Be2 23.Ke2 d5 24.ed6 Rfd8 0–1. rpatru (2180) – pcmvr (2840), net–chess.com, 2010.

    8.c4 Nc7 9.f4 e6 10.d5 Bb4 11.Bd2 ed5-/+ 12.Bb4 Nb4 13.Qb3 Nca6 14.cd5=+ 0-0 15.d6= Kh8 16.Bc4 f6 17.Nf3 fe5 18.fe5 Qb6 19.Nbd2 Nc5 20.Qb1 Ncd3?? 21.Ke2?? Qf2-/+ 22.Kd1 Qg2 23.Bd3?? Qh1-+ 24.Ke2 Qg2 25.Ke3 Nd5 26.Kd4 Rf4 27.Kd5 b6 28.Ba6 Qh3 29.Nd4 Qh5 30.N2f3 Qf7 31.e6 de6 32.Kc4 e5 33.Kd3 Rf3 34.Kd2 Qf4 35.Ke2 Rf2 36.Kd3 Qd4# 0–1. rpatru (2180) – rogeliovargas (2180), net–chess.com, 2010.

    8.Nf3 d6 9.Be2 de5 10.Ne5 Ne5 11.de5 e6.

    8.f4 e6 9.Nf3 Be7 10.Bd3 0-0 11.0-0 f6 12.Be4 Nb6 13.ef6 Bf6 14.Ne5 Ne5 (14...d5 15.Bd3=) 15.fe5= Be7 16.Rf8 Qf8 17.Ra2 g6 18.Rf2 Qg7 19.Qf3 d5 20.ed6 Bd6 21.Bf4 Bf4 22.Qf4 Nc4 23.Qg5 Bd7 24.Qc5 Rc8 25.Qa7 b5 26.Bd3 h6 27.Rf3 (27.Qa6 Kh7+/-) 27...g5 28.h3 Bc6 29.Qg7 (29.Qa6 Qd7 30.Bc4 bc4+=) 29...Kg7= 30.Rf2 Ra8 31.Bc4 bc4 32.Rb2 Ra1 33.Kf2 Kf6 34.g3 (34.g4!?=) 34...Be4+= 35.Nd2 Bd5 36.Nb1 ½–½. Cseke,Richard (2250) – Pap,Janos (2180), HUN–chT2 Erkel, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6 7.e5 Nd5)

    5.d4 Qc7

    6.c3 Na6 7.Nf3 g6 (7...Nf6 8.e5 Ne4 9.Qb3=) 8.Bd3 Bg7 9.0-0 Nh6 10.Bd2 0-0 11.Na3 d6 12.Nb5 Qd8 13.Qc1 Ng4 14.h3 Nf6 15.e5 de5 16.Ne5 Nd7 17.Nf3 e5 18.Bg5 Qb6 19.Rb1 ed4 20.cd4 Nf6 21.Nc3 Qc6 22.Ne5 Qc7 (22...Qd6 23.Rd1=) 23.Bf4 Qd8 24.Ba6 ba6 25.Rd1 Be6 26.Bg5 (better is 26.Nc6 Qd7 27.d5+=) 26...Qd6?? (better is 26...Rc8=) 27.Bf6+- Bf6 28.Ne4 Qd8 (28...Be5 29.Nd6 Bd6+-) 29.Nc6 (29.Nf6?! Qf6 30.Qc6 Qg5=) 29...Rc8 (29...Bg5 30.Ng5 Qd7 31.Qc5+-) 30.Nd8 Rc1 31.Nf6 Kg7 1–0. Moro,Antonio – De Carvalho Machado,F (1860), II Brazil Open, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

    6.c3 Nc6 7.Na3 e6 8.Nb5+= Qb6 9.Bf4+/- d6 10.Nf3 Nd8?? 11.Be2?? Nf6 12.Qb1 Be7?? 13.Nd6!+- Kd7?? 14.Qb6 ab6 15.Bb5 Nc6 16.Ra8 (16.Ra8 Bd6 17.Bd6 Kd6 18.e5 Ke7 19.ef6 gf6 20.Bd3+-) 1–0. gregorgysi (2300) – michelleke (2355), net–chess.com, 2010.

    6.c3 Nc6 7.Na3 e6 8.Nb5+= Qd8 9.d5+- ed5 10.ed5 Ne5? 11.d6 Nf6 12.Nc7 Qc7 13.dc7 Bc5 14.Ra5 b6 15.Rc5! bc5 16.Qd6 Nc6 17.Nf3 Ne4 18.Qd5 Nc3 19.Qd3 Na2 20.Qe2 Kf8 21.Qa2 (21.Qa2 Bb7 22.Ng5 Re8 23.Kd2+-) 1–0. pierred (2755) – rogeliovargas (2180), net–chess.com, 2010.

    6.c3 Nc6 7.Na3 e6 8.Nb5+= Qd8 9.d5+- ed5 10.ed5 Qe7 11.Be2 Ne5 12.Nc7 Kd8 13.Na8 d6 14.Ra7 Nd7 15.Qa4 Ngf6 16.Qa5 Nb6 17.Qb6 Ke8 18.Bg5 Bg4 19.Nc7 Kd7 20.Qb7 Qe2 21.Ne2 Be2 22.Ne6 (22.Ne6 Ke8 23.Qf7) 1–0. pcmvr (2840) – rogeliovargas (2180), net–chess.com, 2010.

    6.c3 Nc6 7.Nf3 e5 8.Na3 a6 9.d5 Na7 10.Bb2 d6 11.c4 Nf6 12.Bd3 Be7 13.Qe2 Bd7 14.0-0 0-0 15.Rfb1 Ng4 16.h3 Nh6 17.Bc1= f5 18.Be3 f4 19.Bb6 Qc8 20.Kh2 Rf6 21.Rc1 Nf7 22.Rc3 Rh6=+ 23.Kg1? Bh3!-+ 24.gh3 Qh3 (24...Qh3 25.Nh4 Rh4 26.Qf3 Qf3 27.Ba7 Qh1) 0–1. gregorgysi (2245) – pascalm, net–chess.com, 2010.

    6.c3 Nc6 7.Nf3 e6 8.Bd3+= d6 (8...Nf6 9.0-0+=) 9.0-0 Be7 10.Na3 Nf6 11.Nb5 Qd8 (11...Qd7 12.Qc2+=) 12.Qc2+- a6 (12...h6+-) 13.Rd1 (13.Nd6 Qd6 14.e5 Qc7 15.ef6 gf6+=) 13...Bd7 (13...Nd7 14.Bd2+=) 14.Na3 (better 14.Nd6!? Bd6 15.e5+-) 14...Rc8 (14...b5 15.e5 Nd5 16.Bd2=) 15.Rb1 (15.Qb2!?=) 15...b5=+ 16.Qe2 (16.c4 d5 17.ed5 Nb4=+) 16...0-0 (16...Na5 17.Nc2=+) 17.Nc2 (17.c4 b4 18.Nc2 a5=+) 17...Na5 (17...d5 18.e5 Ne4 19.Be4 de4 20.Nd2=) 18.Bd2 (18.Nb4!?=) 18...Nc4-/+ 19.Ne3 Nd2 20.Qd2 Qc7 21.Rdc1 (21.e5 Nd5 22.Nd5 ed5-/+) 21...Qb7 22.Qc2 Bc6 23.e5 Ne4 24.Qe2? (better 24.ed6 Bd6 25.Ne5 Be5 26.de5-/+) 24...Bd5?? (better 24...Nc3 25.Rc3 Bf3-+) 25.c4+- Bc6 (25...de5 26.Ne5 (26.Nd5?! ed5 27.de5 Nc5 28.cb5 Nd3 29.Qd3 Rc1 30.Rc1 Qb5 31.Qb5 ab5=+) 26...Ba3 27.Rc2+- (27.Nd5 ed5 28.Re1 f6=)) 26.d5+- ed5? (better 26...Bd5!? 27.cd5 Nc5+-) 27.cd5 Bd5 (27...Bd7 28.Rc8 Bc8 29.Be4+-) 28.Nd5 Qd5 (28...Rc1 29.Rc1 Qd5 30.Be4+- (30.Qe4?! Qe4 31.Be4 de5+-)) 29.Be4 (29.Qe4?! Qe4 30.Be4 Rc1 31.Rc1 Rd8+-) 29...Rc1 (29...Qe6 30.Nd4 Qh6 31.Rc8 Rc8 32.Nc6+-) 30.Rc1 Qe6 (30...Qb3 31.Rd1 Qb4 32.Bd5+-) 31.Nd4 Qe5 (31...Rc8 32.Re1 Qc4 33.Qc4 Rc4+- (33...bc4?? 34.Nf5 Bg5 35.f4+-)) 32.Nc6 (32.Nc6 Qe6 33.Ne7 Kh8 34.Nd5+-) 1–0. Ohanyan,Emin – Zhumabayev,Danial, World Cadets, Championships U8 U1, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 Qc7)

    5.d4 d5

    6.Ba3 Nc6 7.ed5 Qd5 8.Nf3 g6 9.c4 Qe4 10.Be2 Bg7 11.Nc3 Qg4 12.Nb5 Qd7 13.d5 a6 14.Bc5 Ba1 15.Qa1 Nf6 16.Nd6 Kf8? 17.Nc8+- Rc8 18.Qf6 Kg8 19.dc6 Rc6 20.Qe7 Qe7 21.Be7 Kg7 22.Nd4 Rb6 23.0-0 1–0. Sharafiev,A (2430) – Talov,N (2085), XXXI Nezhmetdinov Mem, Kazan RUS, 2009.

    6.c3 Na6 7.ed5 Qd5 8.Na3 Bd7 (8...Nf6 9.Nf3=+) 9.Nf3= Nf6 10.Bd3 (10.Ba6 ba6 11.c4 Qe4 12.Be3 Bg4=) 10...e6 (10...Bg4 11.Be2=+) 11.Qe2 (11.0-0 Rc8 12.c4 Qh5=) 11...Be7 12.Nb5 (12.Ba6 ba6 13.c4 Qe4=+) 12...0-0 13.0-0 Qh5 14.Bf4 Bc6 15.Rfb1 (15.Ne5 Qe2 16.Be2 Bb5 17.Bb5 Nc7-/+) 15...Nd5 (15...Bf3 16.Qf3 Qf3 17.gf3-/+) 16.Bd2=+ Ndc7 17.Ne5 Qe2 18.Be2 Bb5 19.Bb5 f6 (19...Nb5!? 20.Rb5 Rfb8=) 20.Nf3 (20.Ba6 ba6 21.Nc6 Rf7+-) 20...Bd6 21.Bc4 (21.Ba6!? ba6 22.c4+=) 21...Rab8 22.g3 (22.Rb2 g5=) 22...Kh8 23.Re1 Rfe8 24.Rab1 (24.h3 e5=) 24...b5-/+ 25.Bf1 g5 26.Ra1 Rb6 27.c4 bc4 28.Bc4 Re7 (28...g4 29.Nh4-/+) 29.Ra4 (29.Ba5 Rb8=) 29...Bb4 (29...g4 30.Ba5 Rc6 31.Nd2=+) 30.Bb4= Rb4 31.Rea1 Ra4 32.Ra4 Nb8 33.Ra7 Nc6 34.Ra4 (34.Rb7!?=+) 34...g4-/+ 35.Nd2 Nd4 36.Kg2 Kg7 37.f3 gf3 38.Nf3 Nf5 39.Bd3 Nd5 40.Kf2 Nfe3 41.h3 (41.Re4 Nd1 42.Ke1 f5-/+) 41...f5 42.g4 (42.Ne5 Kf6 43.Nc6 Rb7-/+) 42...f4 43.Ne5 Kf6 44.Nc4 Nd1 (44...Nc4 45.Rc4 Kg5 46.Rc5-+) 45.Kf3-/+ Rb7 (45...N1c3 46.Ra8-/+) 46.Bc2 (46.h4!?=+) 46...N1c3 47.Ra8 Rc7 48.Bb3 (48.Bd3!?-/+) 48...Nb5-+ 49.Rf8 (49.Kf2 Nd4 50.Ba2 Nc3-+) 49...Kg7 (better 49...Ke7 50.Rf4 Nf4 51.Kf4 Nd4-+) 50.Re8?? (better 50.Rf4 Nf4 51.Kf4-+) 50...Nd4 51.Ke4 Nb3 52.Re6 (52.Nd6 Nc5 53.Kf3 Rc6-+) 52...Nc5 53.Kd5 Ne6 54.Nd6 (54.Nb2 f3 55.Nd3-+) 54...Rd7 55.Ke5 (55.Ke6 Rd6! 56.Kd6 Kf6-+) 55...Rd6! 56.Ke4 (56.Kd6 Kf7 Combination) 56...Kf6 (56...Rd4 57.Kf3 Ng5 58.Ke2 f3 59.Kf2 Rd2 60.Ke3 Re2 61.Kd4 f2 62.Kd3 f1Q 63.Kc4 Rc2 64.Kd4 Qd1 65.Ke5 Rc5 66.Kf4 Qf3) 57.g5 Kg5 58.h4 Kf6 59.h5 Rd4 60.Kf3 Kf5 61.h6 (61.Kf2 Ng5 62.h6 Rd2 63.Kf1 f3 64.Kg1 Nh3 65.Kh1 Nf2 66.Kg1 Ng4 67.Kf1 Rd1) 61...Ng5 62.Kg2 (62.Ke2 f3 63.Ke3 Re4 64.Kd3 f2 65.Kc2 f1Q 66.Kd2 Qg2 67.Kd3 Qf3 68.Kd2 Re2 69.Kc1 Qf1) 62...Rd2 63.Kh1 (63.Kf1 f3 64.Kg1 Nh3 65.Kh1 Nf2 66.Kg1 Ng4 67.Kf1 Rd1) 63...f3 64.Kg1 Nh3 65.Kh1 Ng5 (65...Ng5 66.Kg1 Ne4 67.Kh1 Ng3 68.Kg1 Rg2; 65...Rd1 66.Kh2 f2 67.Kg3 f1Q 68.Kh4 Qf2 69.Kh3 Rd3) 0–1. Winter,Kevin (1835) – Kalaiyalahan,Akshaya (1840), It E2e4 Sunningdale Easter Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5)

    6.ed5 Qd5 7.Na3 -/+.

    6.ed5 Qd5 7.c3 Qe4 8.Kd2 Qf4 (better is 8...Nc6!?-/+) 9.Ke1= Qe4 10.Kd2 Nf6 11.Nf3 Nc6 12.Qe2 Qf5 13.Qd3 Ne4 14.Ke1 g6 (14...a6 15.Qe3 Nf6 16.Bd3+=) 15.Nbd2 Nd6 16.Ba3 Bg7 17.Bd6 ed6 18.Qe4 (18.Qe3 Qe6+=) 18...Be6 19.Bb5?? (better is 19.Qf5 Bf5 20.Bc4-/+) 19...Qb5-+ 20.Rb1 Qf5 (20...Qa5 21.Rb7 Qc3 22.d5 Qc1 23.Ke2 Qh1 24.de6-+) 21.Rb7 Qe4 22.Ne4 0-0 (22...0-0-0!? 23.Rb2-+) 23.Rb2 0–1. Georgescu,Gabriel (2090) – Chaplain,Fabrice (2090), St Lorrain op 7th, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5)

    6.ed5 Nd5 7.c4+= Nb6 8.Nc3 Nf6 9.Nf3 g6 10.Bf4 a6 11.Be2 Bg7 12.Ne5 0-0 13.Bf3 Nbd7 (13...Nfd7!? 14.c5 Ne5 15.Be5 Be5 16.de5 Nc4+=) 14.0-0= Ne5 15.Be5 Nd7 16.Bg7 Kg7 17.Rb1 Rb8 18.Re1 Nf6 19.Re5 b6 20.d5 Nd7 21.Qd4 f6 22.Re3 Nc5 23.Rbe1 (23.Qh4 Qd6=) 23...Rf7 (23...e5 24.Qh4+=) 24.Ne2 Qd6 25.h4 a5 26.g4 (26.h5 a4+=) 26...a4-/+ 27.Ng3 (27.Qc3 Bd7-/+) 27...Nb3 (27...e5!? 28.Qb2 Bd7-/+) 28.Qc3+= Kg8 29.h5 Bd7 30.g5 f5?? 31.Re5?? Rc8?? 32.h6?? b5-/+ 33.Re6 Qc5 34.Nf5? gf5?? 35.Bh5 Qd4 36.Bf7+/- Kf7 37.Re7 Kf8 38.Qd4 Nd4 39.Rd7 Nf3 40.Kf1 Ne1 41.Ke1 Kg8 42.Rg7 Kh8 43.d6 (worse is 43.cb5 a3 44.Ra7 Kg8+-) 0–1. Kirch,Fritz (1825) – Nahlik,Bernhard (1845), Mittelfrankenliga–B2b, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5)

    6.ed5 Nd5 7.c4 Nc7 8.Nc3 e6 9.Nf3 Nf6 10.Bd3 Be7 11.0-0 0-0 12.Ne5 Na6 13.Bb2 Nb4=+ 14.Be2 Nd7 15.Nf3 b6 16.Qb3 Bb7 17.Rfd1 a5 18.Rd2 (18.Bc1 Qb8=+) 18...Qb8 19.Rad1 Bd6 20.Ba3 Bf4 21.Rb2 e5 22.Nd5 (22.g3 ed4 23.Rd4 Nc5=+) 22...Nd5 (22...Bd5!? 23.cd5 e4-/+) 23.Bf8=+ e4 (worse 23...Nf8 24.cd5 e4 25.Ne5+=) 24.cd5? (better 24.Ne5 Ne5 25.de5 Be5 26.cd5 Bb2 27.Qb2 Qf8 28.Qb6=+) 24...ef3 (24...a4 25.Qa3 ef3 26.Qf3 Kf8 27.g3-+) 25.Bf3 (25.Qf3 Nf8 26.Rb6 Bh2 27.Kh1 Bd6-+) 25...Qf8 (25...Nf8?! 26.Qb6 Ra7 27.d6 Bd6 28.Bb7-/+; 25...Bh2 26.Kh1 a4 27.Qd3-/+) 26.Qb5 Rd8 27.g3 Bd6 28.Rc2 g6 29.Rc6 Qe7 30.Rdc1 Bc6 31.dc6 Nf6 32.Qb6 Bc7 33.Qa7 Nd5 34.Rc5 Nb4 35.Ra5? (35.d5 Qe1 36.Kg2 Qe5-+) 35...Qe1 (better 35...Nc6!? 36.Bc6 Qe1 37.Kg2 Ba5 38.d5-+) 36.Kg2 Ba5 37.Qa5 Rc8 (37...Qe7 38.h3-+) 38.d5 Qe7 39.Qb5 Qd6 40.Qb7 Rc7 41.Qb5 Kg7 42.h4 (42.Qc4 Kf8-+) 42...h5 (42...Rc8 43.Be4-+) 43.Qc4 Kh7 (43...Kf8 44.Qe4-+) 44.Be4 (44.Qf4 Qf4 45.gf4 Kg7-+) 44...Re7 (44...Rc8 45.Kh2-+) 45.Bf3 Ra7 (45...Kg7 46.Be4-+) 46.Qd4 (better 46.Qf4 Qc5 47.Qe3 Qe3 48.fe3 Ra2 49.Kf1-+) 46...Nc6?? (better 46...Ra2 47.Qc4 Rc2-+) 47.Qb6=+ Qb4 48.Qc6 Qd4 49.Qa4?? (better 49.Qc2=+) 49…Qb6 ½–½. Vybiral,Zdenek (2280) – Jascenko,Olga (2150), Czech Chess Championships, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5)

    6.c3 Nc6

    7.Bb5 de4 8.d5 Qd7 9.dc6 bc6 10.Qd7 Bd7 11.Ba6 +/-.

    7.Bb5 e6 8.e5 Bd7 9.Bd3 f5 10.g4 Nge7=+ 11.Nh3 Ng6 12.Ng5 Be7 13.Ne6= Be6 14.gf5 Bf7 15.fg6+/- hg6 16.Qc2 Bg5 17.Nd2+/- Rc8 18.Qb1 Qe7 19.Bg6 Rh6?? 20.Bf7 Qf7+/- 21.Qd3 b6 22.Nf1 Bc1 23.Rc1 Rh4 24.Rd1 Na5 25.Ng3 Rf4+= 26.0-0 Rf3? 27.e6!+- Qf6 28.Qb5 Kf8 29.Rde1 Rc7 30.Qd5 Rfc3? 31.Qd6 Qe7 32.Qe7 Ke7?? 33.Nf5 Kf6 34.e7 Rc8 35.Nd6 1–0. Gietl,Thomas (2205) – Reis,Gerhard (2180), Landesliga Nord, 1996.

    7.ed5 Qd5

    8.Na3 Qd8 9.d5 Ne5 10.Nb5 a6 11.Bf4 Bg4 12.f3 (12.Qa4!? Bd7 13.Be5+/-) 12...ab5= 13.Ra8 Qa8 14.fg4 Nc4 15.Nf3 Nf6 16.Be2 (16.Nd4 Qa6 (worse 16...Nd5 17.Nb5 Ncb6 18.c4+-) 17.Qf3 Qa1 18.Kf2 h6=+) 16...Ng4 (16...Ne4!? 17.Bc4 bc4=) 17.0-0 Nge3?? (better 17...Qa2=+) 18.Be3+- Ne3 19.Bb5 Kd8 20.Qd4 Nf1 (20...Qa5 21.Qe3 Qb5+-) 21.Qb6 Kc8 22.Ne5 Qa1 (22...Qa4 23.Qc5 Kb8 24.Nd7 Ka8 25.Qc8 Ka7 26.Qb8) 23.Bd7 Kb8 24.Nc6 Ka8 25.Qd8 1-0. Bugayev,Vladimir - Kalinina,L (2130), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    8.Na3 Qd8 9.d5 Ne5 10.Bf4 Ng6 11.Bg3 e5 12.Nb5 Bd6 13.Qa4 Kf8 14.Nf3 (14.Na7? Bc5 15.Qc4 Qb6-+ (15...Ba7?! 16.Ra7 Ra7 17.Qc5 N8e7 18.Qa7-/+); 14.Nd6?! Qd6 15.Nf3 N8e7= (15...Qd5?? 16.Rd1 Be6 17.Rd5 Bd5 18.Ne5+-)) 14...Nf6 15.h4 (15.Nd6 Qd6 16.c4 Bg4=) 15...h5 (15...Bd7!?-/+) 16.Bd3= Nf4 (worse 16...Nd5 17.Bg6 fg6 18.Nd6 Qd6 19.Ne5+-) 17.Bf4 ef4 18.Nd6 Qd6 19.c4 Bg4 20.Qa3 Qa3 21.Ra3 Bf3 22.gf3 Ke7 23.Kd2 Kd6 24.Rb1 (24.Rha1!?=) 24...b6-/+ 25.Rba1 a5 26.Rb1 Nd7 27.Kc3 Rab8 28.Kd4 Nc5 29.Ra2 g6 (29...Rb7 30.Bc2-/+) 30.Rab2=+ Nd7 (30...Kc7 31.Be4 Rhd8 32.Bc2-/+) 31.Bc2= Kc7 32.Ba4 Nc5 (32...Rhd8 33.Re1 Nc5 34.Bc6=) 33.Bc6 (33.d6 Kc8 34.Bc6+-) 33...Rhd8 (33...Rhc8 34.Rb5=) 34.Re1= Kd6 35.Rbe2 (35.Reb1 Kc7 36.Re1=) 35...Ne6 (35...Rbc8 36.Kc3=+) 36.Kc3 (36.Re6!? fe6 37.Re6 Kc7 38.Ke5+/-) 36...Nc5= 37.Re7 (better 37.Kd4=) 37...b5 (37...Rf8!?=+) 38.Bb5 (38.cb5 Rf8+/-) 38...Rb7+= 39.Re8 Re8 (better 39...Rdb8!?+=) 40.Re8+/- (worse 40.Be8 Rb3 41.Kc2 Rf3-+) 40...Ra7 Black plans a4 41.Rc8 a4 (41...Rc7!? 42.Rd8 Ke5+-) 42.Rc6+- Ke5 43.Rc5 a3 44.Rc8?? (better 44.d6 Ke6 45.Rc7+-) 44...a2= 45.Re8 Kd6 46.Re1? (better 46.Kb4!?=) 46...a1Q-/+ 47.Ra1 Ra1 48.Kd4 (48.Kd3-+) 48...Rd1 49.Ke4 Kc5 (49...g5 50.hg5 h4 51.Kf4 Rd4 52.Ke3 Kc5-+) 50.Be8?? (50.Kf4 f6 51.Kg3-/+) 50...Rd4 (better 50...Re1 51.Kf4 Re8-+) 51.Ke5= Rd2 (51...f6!? 52.Kf6 Rd3=) 52.Bf7+= Re2? (52...Rf2!? 53.Kf4 Kc4 54.d6 Kc5+=) 53.Kf4+/- Rf2 54.Bg6 Rf3?? (54...Kc4 55.d6 Rd2 56.Bh5 Rd4 57.Kg5 Rd5 58.Kh6 Rd6 59.Kg7 Rd7 60.Bf7 Kd4=) 55.Kf3+- Kc4 56.Bh5 (56.d6 Kd5 57.d7 Kc5 58.d8Q Kb5 59.Qb8 Kc5 60.Ke4 Kc4 61.Qb6 Kc3 62.Ke3 Kc4 63.Bf7 Kc3 64.Qb3) 56...Kd5 57.Bg6 (better 57.Kf4 Kd6 58.Kg5+-) 57...Ke5= 58.h5 Kf6 59.Kg3 Kg7 60.Kh3 Kh8 61.Kh4 Kg7 62.Kg4 Kh8 63.Kg5 Kg7 64.h6 Kh8 65.Kh5 Kg8 66.Kg5 Kh8 67.Kf5 Kg8 68.Kf6 Kh8 69.Bf5 Kg8 70.Be6 Kh8 71.Kg5 Kh7 72.Bf5 Kh8 73.Be4 Kg8 74.Bd3 Kh8 75.Bc4 1-0. Noonui (2440) - holtchess (2445), Rated Blitz game, lichess.org, 2015. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    8.Na3 Qe4 9.Be2 Bd7 10.Nf3= e6 11.Ng5 Qf5 (11...Qg2?? 12.Bf3 Qh1 13.Bh1+-) 12.Nb5 Rc8 13.Bd3 Qd5 14.0-0 (14.Na7?! Na7 (14...Qg2?? 15.Be4 Qe4 16.Ne4+-) 15.Ra7 Nf6= (15...Qg2 16.Be4 Qh1 17.Bh1+-)) 14...Ne5 15.Ra5 Nd3 16.Nc7 Rc7 17.Rd5 ed5 18.Qd3 Be7 19.Re1 f6 20.Qg3 (worse is 20.Nh7 Kf7 21.Qf3 Rh7 22.Qd5 Kf8+=) 20...Rc6 21.Nh3 Kf7 22.Qf3 Bh3 23.Qh3 f5 24.Qf5 Nf6 25.g4 h6 26.h4 g6 27.Qf3 Re6 28.Re5 g5? (28...Bd6 29.g5 Be5 30.de5 Rd8+-) 29.hg5 hg5 30.Bg5 Rg8 31.Re6 Rg5 32.Re5 Rg4 33.Kf1 a5 34.Rd5 a4 (34...b6 35.Rb5 Rg8 36.Rb6+-) 35.Re5 Bd6 36.Qb7 Kg6 37.Re6 Bf4 38.Qa6 (38.Qa6 Bg5 39.Qa4+-) 1–0. Bezgodov,Alexei (2555) – Askarov,Marat (2430), RUS–chT Clubs sf, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Na3 Qe4 9.Be2 Be6 10.Nf3= Bg4 11.0-0 Nf6 12.Re1 Qf5 13.Nb5 Rc8? (13...Rd8 14.Qb3 Nd5 15.Na7 Qf6+-) 14.Nd6!+- (14.Na7 Ra8 15.Bb5 e6+-) 14...ed6 15.Bd3 Qe6 16.Re6 fe6 17.h3 Bh5 18.g4 Bf7 19.Qe2 Kd7 20.Ng5 Bg8 21.Rb1 b6 22.Bc4 d5 23.Bb5 h6 24.Nf3 Bd6 25.Ne5 Be5 26.Qe5 a6 27.Ba3 Ne8 28.Bc6 Rc6 29.Qb8 b5 30.Bc5 Bh7 31.Ra1 Bd3 32.Rd1 Bc2 33.Rd2 Be4 34.f3! Bg6 35.Kg2 h5 36.g5 Bf5 37.Kg3 Rg8 38.h4 Rh8? 39.Bb6+- Rc3 40.Qd8 Kc6 41.Qc8 Kb6+/- 42.Qc3 Nc7 43.Kf4 g6 44.Ke5 Rd8 45.Rd1 Kb7?? 46.Rc1 Rc8 47.Qc6 Ka7 48.Ra1 Bh3 49.Ra6 Na6 50.Qc8 Kb6? 51.Kd6 b4 52.Qd8 Kb5? 53.Qe8 Ka5 54.Qg6 Bf5 55.Qf5 ef5+= 56.g6 b3 57.g7 b2 58.g8Q b1Q 59.Qd5 Qb5 60.Qb5 Kb5 61.Ke5 Kc4 62.f4 Nc7 63.Kf5 Kd4 64.Kg6 Ke4 65.f5 Nd5 66.Kh5 ½–½. Prus,Marek (1910) – Pawlowski,Michal (1935), XXXXI YMCA Autumn Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    8.Na3 Qe4 9.Ne2 Bg4 (better is 9...Nf6+=) 10.f3+/- Bf3 11.gf3 Qf3 12.Rg1 e5 13.Bg2 Qh5 14.Qa4 e4 (better is 14...Qh4!? 15.Kd1 e4+-) 15.Be4 Nge7 16.Bf4 Qh4 17.Kd2 (17.Kd1 f5 18.Nb5 fe4 19.Nc7 Kd7 20.Na8 Qh3+-) 17...0-0-0? (17...g6+-) 18.Nb5 a6 19.Na7 Kd7 20.Nc6 Nc6 (20...bc6 21.Qa6 Qh3 22.Qb7 Ke8 23.Bc7+-) 21.Bc6 (better is 21.Rgb1 Be7+-) 21...bc6 22.Bg5 (22.Bg5 Qh2 23.Bd8 Kd8 24.Qc6+-) 1–0. Vea,Odin Blikra (2145) – Menon,Shanker (2190), Gibraltar Challengers Week2, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    8.Na3 Qa5

    9.Bb2 Nf6 10.Nb5 Qb6 11.Qb3 Rb8 (11...Nd7 12.c4 a6 13.Qg3=) 12.Nf3 Bg4 13.c4 e6 14.c5 Qd8 15.Na7 Be7 16.Ne5 0-0 17.Qc4 Na7 18.Ra7 (worse 18.Ng4 Nc6 (18...Ng4?! 19.Ra7 Bh4 20.g3+=) 19.Ne3 b6=+) 18...Bf5 19.Be2 Nd5 20.0-0 Nf4 21.Re1 f6 22.Nf3 Qc7 (22...b6 23.Bc1 Nd5 24.Nh4+-) 23.Bf1 (23.Bc1 Ne2 24.Qe2+-) 23...b5 (23...Ra8 24.Ra8 Ra8 25.Nh4+-) 24.Qa2 (24.Rc7 bc4 25.Bc1 Nd5+-) 24...Rb7 25.Ra6 (25.Rb7 Qb7 26.Qb3 Bg4+-) 25...Bg4+= 26.Bc1 Nd5 27.Bd2 Qd8 (27...Qc8!?+=) 28.h3+- (worse 28.Ree6 Be6 29.Re6 Kh8+=) 28...Bh5 (28...Bf3!? 29.Rae6 Nc3 30.Bc3 Bd5+-) 29.Ba5+- (29.Ree6?! Bf7+=) 29...Nc7 30.Bb5! Rb5 (30...Rb5 31.Bc7 Combination; 30...Nb5 31.Rb6 Double attack (31.Bd8 Pinning; 31.Bd8 Deflection; 31.Rb6 Decoy)) 31.Bc7 Qc7 32.Qe6 Bf7 33.Qe7 Rb7 34.Qc7 Rc7 35.Rd6 1–0. juliangon – marekt, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Qa5)

    9.Nc2 Qc3 10.Bd2 Qb3 11.Rb1 Qe6 12.Ne3 Nd4 13.Bc4 Qg6 14.Nf3 Nf3 15.Qf3 Qb1 16.Ke2 Qb2 (16...Qh1 17.Bb5 Bd7 18.Bd7 Kd8 19.Ba5 b6 20.Qa8 Kd7 21.Qa7 Ke8 22.Qb8 Kd7 23.Qb7 Kd6 24.Bb4 Ke6 25.Qd5 Kf6 26.Qf5) 17.Qf7 Kd7 18.Be6 Kc6 19.Qf3 Kd6 20.Bg8 (better is 20.Nc4!? Ke6 21.Nb2+=) 20...Qb5-/+ 21.Bc4 Qc5 22.Bb4 Qb4 23.Rd1 Kc5 24.Qd5 Kb6 25.Qd8 Kc6 26.f3?? (better is 26.Qe8 Kc5 27.Qh5 e5 28.Qe5 Kc6 29.Qe4 Kc5 30.Qe5 Kc6 31.Qe4 Kc5 32.Qe5=) 26...e6-+ 27.Bd3 Bc5?? (27...Qb2 28.Kf1 g6-/+) 28.Qh8= Qb2 29.Rd2 Qe5 30.Be4 Kc7 31.Ng4 Qc3 32.Rc2 Qd4 33.Qf8 Kb6-/+ 34.Rc5 Qc5 35.Qd8 Ka6 36.Nf2 h6 37.Bd3 b5 38.Ne4 Qe5 39.f4 Bb7 40.Qe7 Qb2 41.Ke3 Qc1 42.Ke2 Rc8 43.Bb5? Kb6 44.Bd3 Rc2! 45.Bc2 Qc2 46.Nd2 Ba6 47.Kf3 Qd3 48.Kg4 Qd2 49.Qe6 Ka5 50.Qe5 Kb4 51.Qe7 Kb3 52.Kg3 g5 53.Qf7 Bc4 54.Qb7 Kc3 55.Qg7 Kc2 56.Qh6 Qf4 57.Kh3 Be6! (57...Be6 58.Qe6 Qh4) 0–1. Twitchell,Neville H (1950) – MacGregor,Colin A (1900), SCO/WLeague2 (SCO), 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

    9.Nc2 Qc3 10.Bd2 Qb3 11.Rb1 Qe6 12.Ne3 Nf6 13.Bc4 Qe4 14.Nf3 e6 (14...Nd4 15.Nd4 e6 16.Nb5+/-) 15.Bc3 Be7 16.0-0 0-0 17.Re1 Qf4 18.d5 ed5 19.Bf6 Bf6 (19...gf6?! 20.Nd5 Qc4 21.Rc1-/+; 19...Qf6? 20.Nd5 Qg6 21.Ne7 Ne7 22.Re7+-) 20.Bd5 a6 21.Qb3 Kh8 22.Qb6 Bd8 23.Qb3 a5 24.Qb5 Qc7 25.Rec1 a4 26.Ra1 Ra5 27.Qc4 Be7 28.Ra4 (28.Rd1 Bd7-+) 28...b5 29.Qc6 Qc6 30.Rc6 ba4 31.Bf7 Bb7 32.Rc7 Rf7 33.Rb7 a3 (33...a3 34.Kf1 a2-+) 0–1. Braun,Ingram H (2285) – Percze,Raymond (2240), CFriend WC–2008–S–00003, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

    9.Bd2 a6 10.Bd3+= Nf6 11.Nf3 Qc7 12.0-0 Bg4 13.h3 Bh5 14.Nc4 e6 15.Qe2 Be7 16.Rfb1 0-0 17.Nce5 Bd6 18.g4 Bg6 19.Ng6 hg6 20.c4 Rfd8 21.g5 Nh5 22.Qe4 Bf4 23.Bc3 b6 24.h4 Bd6 25.Bf1 a5 26.Rb5 a4 27.c5 bc5 28.dc5 Bf8 29.Ra4 Ra4 30.Qa4 Rd5 31.Qc4 Rf5 32.Bg2 Nf4 33.Kf1 Qc8 34.Bb2 Ng2 35.Kg2 e5 36.Qe2 Qa6 37.Ng1? Qa4-+ 38.Nh3 Qh4 39.Rb6 Nd4 40.Bd4 Qd4 41.Rb8 Qc5 42.Qd3 Qc6 43.f3 Qc5 44.Qd8 Qa3 45.Qd5 Kh7 46.Qe4 Qd6 47.Re8 Qa3 ½–½. Rothhaar,Udo (2175) – Bauer,Hermann (2320), RSS4D adv–34, 2007.

    9.Bd2 Qd8 10.Nb5 Nf6 11.Bf4 Nd5 12.Qf3 Nf4 13.Qf4 e5 14.de5 Bc5 15.Bc4 0-0 16.Nf3 a6 17.Nbd4 Nd4 18.cd4 Bb4 19.Ke2 h6 20.g4 (20.Rhb1 Bc3 21.Ra3 Ba5+=) 20...Be6 21.d5 Bd7 22.Qe4 Qb6 23.g5 Rae8 24.Bd3 g6 25.Rab1 a5 26.gh6 Bf5 27.Qe3 (27.Qc4 Qf6 28.Kd1 Re5 29.Ne5 Qe5 30.Bf5 Qf5=) 27...Bd3 (better is 27...Qe3!? 28.Ke3 Bg4 29.Rb4 ab4=) 28.Qd3+/- Qc7 29.Rhg1 Bd6? (better is 29...Re5!? 30.Ne5 Qe5 31.Kf3 Rc8+=) 30.e6+/- b6?? (better is 30...Bf4+/-) 31.Rbc1 Bc5 (31...Qd8 32.Rg6 Kh8 33.Qd4 f6+-) 32.Qc3 f6 33.Rg6 Kh8 (33...Kh7 34.Rg7 Qg7 35.hg7 Rf7+-) 34.Rf6 Kh7 (34...Re6 35.Re6 Bd4 36.Qd4 Kg8 37.Rc7 Rf7 38.Rc8 Kh7 39.Ng5) 35.Ng5 (35.Ng5 Kg8 36.Rg6 Qg7 37.Qg7) 1–0. Pustovoitova,Daria (2285) – Kotlyar,Kirill (2140), RUS–ch U16 Dagomys, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

    9.Bd2 e6 10.Nb5 Qd8 11.Bf4 e5 12.de5 Be6 13.Nf3 a6 14.Qd8 Rd8 15.Nc7 Kd7 16.Ne6 fe6 (16...Ke6 17.Rb1 Na5 18.Nd4 Kd7 19.Rd1+/-) 17.Ng5+- Nh6 (17...Be7 18.0-0-0 Ke8 19.Ne6 Ba3 20.Kc2 Rd1 21.Kd1+-) 18.Bc4 Re8 (18...Ke7 19.Ne6 Rc8 20.Ke2+- (20.Nf8?! Rhf8 21.Bg5 Ke8+/-)) 19.Rd1 (19.0-0-0 Ke7 20.Rd6 Rb8+-) 19...Kc8 (19...Kc7 20.Ne6 Kc8 21.0-0+- (21.Nf8?! Rhf8 22.Bh6 Ne5+=)) 20.Be6 (20.Ne6?! Ng4+=) 20...Kb8 21.Bd7 Re7 (21...Re5 22.Kf1 (worse 22.Be5 Ne5 23.Ke2 Be7+-) 22...Ka7 23.Bc6 Rg5 24.Bg5 bc6 25.Rd7 Kb6 26.Ke2+-) 22.e6 Ka8 (22...Ka7 23.Bd6 Na5 24.Ne4+-) 23.0-0 (better 23.Bc6 bc6 24.Rd8 Ka7+-) 23...Nf5 (23...Nb8+-) 24.Bc6 bc6 (24...Ka7 25.Rd8 a5+-) 25.Rd8 Kb7 (25...Ka7 26.Bb8 Ka8 27.Bd6 Ka7 28.Bc5 Kb7 29.Rb1 Kc7 30.Rbb8 Re6 31.Ne6) 26.Rb1 Ka7 27.Bb8 Ka8 28.Bd6 Ka7 29.Bc5 1-0. Nikanova,E (2110) - Cieply,Krzysztof, 20th Raciborz Open, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    9.d5 Qc3-/+ 10.Bd2 Qe5 11.Be3 ½–½. Warzecha,Helmut (2275) – Pirs,Matjaz (2445), RSS7E pro–121, 2010.

    9.d5 Qc3 10.Bd2 Qe5 11.Be3 Qc3 12.Bd2 Qe5 13.Be3 ½–½. Andersen,Jens (2105) – Gonzalez,Bolivar Ribeiro (2280), WCCC29SF15(WS), 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

    9.Bd2 Nf6

    10.Nb5 Qd8 11.Bf4 Nd5 12.Qf3 Be6 13.c4 Nf4 14.Qf4 g5 15.Nc7 (better is 15.Qg3!? Nd4 16.0-0-0=) 15...Kd7-/+ 16.Ne6 gf4 (worse is 16...fe6 17.Qg5 Kc8 18.Nf3 Nd4 19.Qe5 Nc2 20.Ke2 Na1 21.Qh8+=) 17.Nd8 Kd8 (17...Rd8?! 18.d5 Nb4 19.Ra7=) 18.d5 Ne5 19.Be2 Bg7 20.Ra4 Kc7 21.Nf3 Nd7 22.0-0 Nc5 23.Ra3 Bb2 24.Ra2 Bf6 25.Rb1 a5 26.Kf1 a4 27.Ra3 e5 28.Rb4 b6 29.d6 Kc6 30.Nd2 e4 31.Bg4? h5 32.Bf5 Rhe8-+ 33.f3 e3 34.Ne4 Bd4 35.Ke2 Re5 36.Bh7? h4 (36...h4 37.Nc5 Bc5 38.Rba4 Ra4 39.Ra4 Rg5 40.Be4 Kd6-+) 0–1. Lach,Bernhard – Windhausen,Georg, BdF JZ1–1 Jub, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Qa5)

    10.Nc4 Qc7 11.Bd3 Be6 12.Nf3 g6 13.0-0 Bg7 14.Qc1 0-0 15.Re1 b5 16.Bf4 Qd8 17.Nce5 Ne5 18.Ne5 Qb6 19.Qa3 Nd5 20.Bd2 a5 21.Rab1 b4 (21...b4 22.Qa1 Rfb8=+). Lopez de Jeronimo,Francisco Jose (1960) – Mueller,Achim (2290), WS/M/043 ICCF, 2006.

    10.Nc4 Qc7 11.Bd3 g6 12.Ne2 Bg7 13.0-0 Be6 14.Bf4 Qc8 15.Ne3 0-0 16.Bg5 Bd7 17.Qb3 e5 18.d5 Ne7 19.Rfb1 b6 20.Ng3 Kh8 21.Rd1 Neg8 22.Ba6 Qb8 23.Nc4 Nd5?? 24.Rd5+- Be6 25.Rdd1 f5 26.Qb4 h6 27.Bc1 Rd8 28.Ba3 Qc7 29.Nd6 Nf6 30.Nb5 Qf7 31.Qe7 Qg8? 32.Nc7 Rd1 (32...Rd1 33.Rd1 Nd5 34.Rd5 Bd5+-) 1–0. Lopez de Jeronimo,FJ (1960) – Sukhorukov,AE, WS/M/043 ICCF, 2006.

    10.Bd3 a6 11.Ne2 Qd8 12.0-0 e5 13.Qa4 Be7 14.Rfb1 0-0 15.Be3 e4 16.Bc2 Na5 17.Nc4 Nc4 18.Qc4 Be6 19.Qa4 b5 20.Qa5 Qa5 21.Ra5 Bd5 22.Bg5 Bd8 23.Ra3 Re8 24.Ng3 h6 25.Bd2 Be7 26.Raa1 Bd6 27.Nf5 Bc7 28.Ne3 Be6 29.h3 Bf4 30.Kf1 Be3 31.Be3 Bc4 32.Ke1 Nd5 33.Ra3 f5 34.Bb3 Bb3 35.Rab3 Rac8 36.Bd2 f4 37.Ke2 g5 38.Ra1 Re6 39.Rba3 Rcc6 0–1. Jensen,Soeren (1870) – Martucci,Massimo, IECG, 2006.

    10.Nf3 =.

    8.Na3 a6

    9.Nb5 Qd7 10.d5 Na7 11.Qb3 Kd8?? (better 11...Nf6+=) 12.Na7+- Ra7 13.Be3 (13.Nf3 Ra8 14.Be3 f6+-) 13...Ra8?! (13...b5 14.Ba7 Qa7 15.Bb5+-) 14.Bb6 (14.Nf3 f6 15.Nd4 Nh6 16.Ne6 Ke8+-) 14...Ke8 15.Bb5!! ab5 (15...ab5 16.Ra5 Double attack (16.Ra8 Pinning; 16.Ra8 Deflection; 16.Ra5 Decoy); 15...Qb5 16.Qb5 Combination) 16.Ra8 Nf6 (16...e5 17.de6! fe6+-) 17.Qb5!! (17.Qb5 e6 18.Rc8 Ke7 19.Bc5 Qd6 20.Qb6 Ne4 21.Qd8) 1-0. Strebkov,Vladimir (1890) - Nugmonov,Dilshod, 6th Sochi Amateur Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    9.Nb5 Kd8= 10.Nf3 Rb8 11.Na3 Bg4 12.Be2 e6 13.0-0+= Nf6 14.Bf4 Rc8 15.c4 Qf5 16.Bg3 Ke8 17.Re1 Be7 18.d5 ed5+= 19.cd5 Qd5=+ 20.Qa4 Kf8 21.Nc2=+ g6 22.Ne3= Qh5 23.h3 Bf3 24.Bf3 Qc5 25.Rac1 Qb4 26.Qa1 Qa3 27.Qb1 Qb4 28.Qa2 Kg7 29.Rb1 Qa5 30.Qb2 Rhd8?? 31.Qb7+- (31.Qb7 Nd4 32.Qe7 Nf3 33.gf3+-) 1–0. Shchukin,Igor – Rudovskya,Regina, Stepchev Memorial, Kiev UKR, 2004.

    9.Nb5 Qd8 10.d5 Na5 11.Na3 (11.Nd4!? Qd5 12.Ngf3=+) 11...e6 12.de6? (better 12.Nc4!? Nc4 13.Bc4-/+) 12...Qd1-+ 13.Kd1 Be6 14.Nc2 Nc4 (better 14...0-0-0 15.Nd4 Nb3-+) 15.Nd4=+ Rc8 16.Ngf3 Bd5 17.Be2 (17.Bd3 f6=+) 17...Nf6 (17...Nd6 18.Re1 Be7 19.Ba3-/+) 18.Re1 Kd8 19.Bg5 Bc5 20.Bc4 Bc4 21.Re5 (21.Rb1 b6=+) 21...Re8-/+ 22.Re8 (22.Bf6 gf6 23.Rf5 Be7-/+) 22...Ke8-+ 23.Bf6 gf6 24.Kc2 Bd5 25.Re1 (25.Kd3 Rd8-/+) 25...Kf8 (25...Kd7 26.Rd1 Kc7 27.g3-+) 26.Kd3 Bf3 (26...Re8 27.Ra1-+) 27.gf3-/+ Bd6 (27...a5 28.h3-/+) 28.h4 Be5 29.Rb1 Rc7 30.Ne2 Ke7 31.f4 Bd6 32.f5 a5 (32...Rd7 33.Nd4-/+) 33.c4=+ Bb4 (33...Rd7 34.Nc3=+) 34.Nf4 Rd7 35.Ke4 Kd6 36.Nd5 (36.Nd3!?=+) 36...Kc5-/+ 37.Nf6 (better 37.Rg1!?-/+) 37...Rd4-+ 38.Ke5 (38.Kf3 Rh4 (38...Rc4?! 39.h5-/+) 39.Ng4 Kc4 40.Ne5 Kd5 41.Nf7 a4-+) 38...Rh4 39.Ne4 Kc4 40.Rd1?? (40.f3-+) 40...f6! 41.Nf6 (41.Nf6; 41.Kf6 Bc3 Double attack (41...Re4 Deflection)) 41...Bc3 42.Ke6 Rh6 43.Rc1 (43.Rd7 Rf6 44.Ke7 Rf5 45.Rb7-+) 43...Rf6 44.Ke7 Rf5 0–1. Urbanaites,Elvira – Krylov,Vadim, Kineshma Chess, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 a6)

    9.Nb5 Qd8 10.d5 Na7 (better is 10...Na5!? 11.Na3 e6-/+) 11.Na7= Ra7 12.Be3 Ra8 13.Nf3 Nf6 14.Bb5 ½–½. Urbanaites,Elvira (1840) – Kalashnikova,Larisa (2025), RUS–ch Seniors (Women), 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 a6)

    9.Nb5 Qd8 10.Bf4 e5 11.Qe2?? Be6-+ 12.d5 ab5 13.Rd1 (13.Ra8 Qa8 14.dc6 ef4 15.cb7 Qb7 16.Qb5 Qb5 17.Bb5 Kd8-+) 13...ef4 (better 13...Bd5 14.Be5 Nge7-+) 14.Qb5 (14.dc6 Qc7 15.cb7 Ra5-+) 14...Qa5 (better 14...Qf6 15.Ne2 Ra5 16.Qc4-+) 15.dc6 (15.Qa5 Ra5 16.de6 fe6 17.Rb1-+) 15…Qc3 (15...Qc3 16.Rd2 Ra1 17.Ke2 Bc4 18.Qc4 Qc4 19.Kf3 Qc6 20.Kg4 Nh6 21.Kf4 Ra4 22.Bc4 Qc4 23.Rd4 Qd4 24.Kg3 Qg4) 0–1. Alpatsky,Sergey (1890) – Pishchalnikov,Roman A (1640), 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 a6)

    9.Nb5 Qd8 10.Bf4 e5 11.Qe2?? Be6-+ 12.Be5 ab5 13.Ra8 Qa8 14.Qb5 Qa5 15.Qa5 Na5 16.Nf3 Bc4 17.Bc7 Bf1 18.Rf1 Nc4 19.Kd1 f6 20.Re1 Kd7 21.Bf4 Bd6 22.Bc1 Ne7 23.Kc2 Rc8 24.Kd3 Nd5 25.g3 Ba3 26.Nd2 Nd2 27.Bd2 b5 28.Ra1 Bb2 29.Ra5 Bc3 30.Rb5 Bd2 31.Rd5 Ke6 32.Rh5 Bh6 33.f4 Rd8 34.Ke4 Kf7 35.Rb5 Rd7 36.Rb8 g6 37.Rh8 f5 38.Ke3 Ke6 39.Re8 Kd5 40.Re5 Kc4 41.Rc5 Kb4 42.Rc8 Bg7 43.d5 Kb5 44.h3 Kb6 45.Rc6 Kb7 46.Re6 Kc7 47.Ra6 Kd8 48.d6 Ke8 49.g4 Kf7 50.gf5 gf5 51.Kd3 Ke6 52.Kc4 Rd6 53.Ra7 Rd7 54.Ra6 Kf7 55.Kc5 Bf8 56.Kc4 Bd6 57.Ra5 Kg6 58.Ra6 Kh5 59.Kd5 Bf4 60.Ke6 Rd6! (60...Rd6 61.Rd6 Bd6 62.Kf5 Bc5-+) 0–1. Brylski,Pawel (2110) – Golabiewski,Adam (1795), Mistrzostwa Polski Nauczycieli, 2008.

    9.Nb5= Qd8 10.Bf4 e5 11.de5 Be6 12.Nd6 Bd6 13.Qd6 Nge7 14.Nf3 Qd6 15.ed6 Ng6 16.Bg3 Kd7 17.Bd3 Rhe8 18.0-0-0 Bg4 19.Bg6 hg6=+ 20.h3 Bf3-/+ 21.gf3 b5 22.Kc2 Re2 23.Rd2 Rd2-/+ 24.Kd2 Na5 25.Kc2 Nc4 26.Ra1 a5 27.h4 a4 28.Bf4 Ra6 29.Rd1 a3 0–1. gregorgysi (2245) – agostinhoarruda (2475), net–chess.com, 2010.

    9.Nc4 Qd8 10.d5 Nb8 11.Ne5 Qc7 12.Ngf3+= Nd7 (12...f6 13.Nc4 b5 14.Ne3+/-) 13.Qd4+/- f6 (13...Ngf6 14.Bb5 Qb8 15.Nd7 Bd7 16.Bd7 Nd7 17.0-0+/-) 14.Nd7 (14.Nc4 Nc5 15.Qe3+=) 14...Bd7 15.Bf4 Qc8 16.Bd3 e5 17.de6 Be6 18.0-0 Bc5 19.Qa4 Kf7 20.Rfe1 Bd5 (20...Ne7 21.Nd4 Bd4 22.cd4=) 21.Be4 (21.Nd4 Ne7 22.Qd1+=) 21...Be4 (21...Ne7!? 22.Bd5 Nd5+-) 22.Re4+/- Qc6 (22...g5 23.Be3 b5 24.Qb3 Kg7+-) 23.Qb3+- Kf8 24.Re6 Qd7 25.Rd1 Qf7 (better is 25...Qb5 26.Qa2 Re8+-) 26.Bd6 Bd6 27.Rdd6 h5? (27...Rc8+-) 28.Qb6 Ne7 29.Rd7 Re8 30.Qd6 (30.Qd6 h4 31.Rb7+-) 1–0. Lopez de Jeronimo,FJ (2000) – Bonay Toscas,S (2005), AEAC W/C/013, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    9.Nc4 Qd8 10.d5 Nb8 11.Ne5 Nf6 12.Bb5 Bd7 13.Bc4 g6 14.Ngf3 Bg7=+ 15.0-0 Ne4 16.Nf7?? Kf7-+ 17.d6 Ke8 18.Re1 Bf5 19.Ba3 Nc6?? 20.Qd5-/+ Bc3 21.Re4? Ba1-+ 22.g4 Qd7 23.Re1? Bc3 24.Re3 Ba1 25.Qd1?? Bf6-+ 26.gf5 Rd8 27.Qd5 Rf8-+ 28.Re6 1–0. Vlasveld,W. Martin (2435) – Jaederholm,Bo (2495), Swiss Friends white, 2007.

    9.Nc4 e6 10.Nf3 (better is 10.Nb6 Qd8 11.Na8+-) 10...Qd8+= 11.Nfe5 Ne5 12.Ne5 Nf6 13.Bg5 (13.Bd3 Qc7 14.0-0 Qc3+=) 13...Be7 14.Bb5 (14.Bd3 Nd7 15.Be7 Qe7=) 14...Nd7 (14...Bd7 15.Bf6 Bb5 16.Be7 (16.Bg7? Rg8 17.Bh6 Qd5-+) 16...Qe7 17.c4+=) 15.Qf3 (15.Bd7 Bd7 16.Qf3 Bf6+=) 15...0-0 16.Be7 (better is 16.Nd7!? Bd7 A) 17.Qb7?? A1) 17...Bg5?! 18.Bd7 Rb8 19.Qa7-/+; A2) 17...Bb5?! 18.Be7 (18.Qe7? Qd5 19.f3 Rac8-+) 18...Rb8 19.Bd8 Rb7 20.Ba5=; A3) 17...ab5 18.Ra8 Qa8 19.Qa8 Ra8 20.Be7 Ra1 21.Ke2 Rh1-+; B) 17.Be7 Qe7 18.Qb7+=) 16...Ne5-/+ 17.de5 Qe7 18.Bd3 Qc5 19.Qe4 Qc3 20.Ke2 Qb2 21.Bc2 f5 (21...g6 22.Rab1 Qc3 23.Rhc1-/+) 22.ef6 g6 (22...Rf6?! 23.Qh7 Kf7 24.Qh5 g6 25.Qh7 Kf8 26.Rhc1=) 23.f7 (23.Rhd1!?-/+) 23...Rf7-+ 24.Rhf1?? (better is 24.Rhb1 Qc3 25.Kf1-+) 24...Bd7 25.Rab1 (25.f3 Rc8 26.Rfc1 Bc6-+) 25...Bb5 26.Ke3 Qc3 27.Bd3 Qc5 (better is 27...Rd8 28.Rb5 ab5 29.f3-+) 28.Qd4 (28.Ke2 Rd8 29.Bb5-+) 28...Qd4 29.Kd4 Rd8 (29...Rd8 30.Kc3 Rd3 31.Kb2 Rd5-+) 0–1. Matskevich,Ivan (1945) – Radzhabov,Rodion (1990), Nizhny Tagil RUS, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 a6)

    8.Na3 Bd7

    9.Nc4 e6 10.Nb6 Qe4 11.Be3 Rd8 12.Nd7 Rd7 13.Nf3 Nf6 14.Bd3 Qd5 15.0-0 Be7 16.c4 Qd6 17.d5 (better is 17.c5!? Qd5 18.Bb5+=) 17...ed5-/+ 18.Bf5 Rd8 19.c5 Qb8 20.Qa4 0-0 21.Qh4 g6 22.Bg5 Ne4 (22...Bc5 23.Bf6 Rfe8 24.Ng5+/- (24.Bd8 Qd8 25.Rae1 Re1 26.Qd8 Nd8 27.Re1 Nc6+-)) 23.Be7 Ne7 24.Be4 de4 25.Ng5 h5 26.Ne4 Nd5 27.g3 b6 28.Rfd1 Qe5 29.Ra7 bc5 30.Rd5 (better is 30.Nc5 Rfe8 31.h3=) 30...Rd5-/+ 31.Nf6 Kg7 32.Nd5 Qd5 33.Qe7 Rb8 34.Ra1 c4 35.Rc1 Rb2 36.Qe3 Rb3 37.Qf4 Rd3 0–1. Damia,Angelo (2260) – Bagaturov,Giorgi (2470), San Nicola Arcella op 1st, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nc4 e6 10.Nf3 Be7 (10...Rb8 11.Ne3 Qd6 12.Bb5+=) 11.Bd3 (11.Nb6 Qe4 12.Be3 Rd8+-) 11...Rd8 12.Bf4 Bc8 (12...Nf6!?+=) 13.Ne3 (13.Bc7 Nf6 14.Bd8 Bd8+-) 13...Qd7+- 14.Bb5 Bd6 15.Bd6 (15.Bc6 Qc6 16.Bd6 Rd6+- (16...Qc3? 17.Kf1+-)) 15...Qd6 16.Ra7 Nge7 17.0-0 0-0 18.Ra2 (18.Ra4 e5+-) 18...Nd5 (18...e5 19.Ra4+=) 19.Qa1 (19.Qb3 Bd7 20.Bd3 b5+-) 19...Bd7 20.Rd1 (better 20.Bd3!?+=) 20...Ncb4= 21.cb4 Bb5 22.Ra5? (better 22.Nd5!? ed5 23.Re1=) 22...Be2-/+ (22...Qb4?? 23.Rb1 Qc3 24.Rbb5 Qa1 25.Ra1+-) 23.Rb1 (23.Re1 Bf3 24.gf3 Nb4-/+) 23...Bf3-+ 24.gf3 Nf4 25.Kf1 (25.Re1 Qb6-+) 25...Qc6 (25...Ng6 26.Ng4-+) 26.d5 Nd5 27.Ng4? (better 27.Qe5-+) 27...Qc4 (27...Nf4 28.Ne5 Qc2 29.Kg1 Nh3 30.Kh1 Nf2 31.Kg1-+) 28.Kg1 Qf4 (28...Nb4 29.Ra4 Qe2 30.Rab4 Qf3 31.Rd4+=) 29.b5?! (29.Ra3 Rc8-+) 29...Qf3 (29...h5!? 30.Ne5 Qf5 31.Ra3-+) 30.Ra3 Qf4 (30...Qg4?! 31.Rg3 Qg3 32.hg3=+) 31.Rg3 f6 32.Re1 h5 33.Ne3 Ne3 34.Ree3 (34.fe3 Qe4 35.Qb1 Qe5-+) 34...h4 35.Rg2 Rd2 36.h3 (36.Qf1 Qf5-+) 36...Rfd8 (36...Rf2 37.Qe1 Rg2 38.Kg2-+) 37.Re1 Qf3 (37...Qf3 38.Qa4 R2d4-+ (worse 38...Qh3 39.Qg4 Qg4 40.Rg4-+)) 0–1. Pechac,Jergus – Lee,Qing Aun, Chess Olympiad U16, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nc4 e6 10.Nh3 e5 (10...Rc8 11.Nf4 Qf5 12.Bd3=) 11.Ne3 (11.Nb6! Qe4 12.Qe2 Qe2 13.Be2=) 11...Qd6=+ 12.d5 Nd8 13.Nc4 Qb8 (13...Qc7 14.f4=+) 14.f4= e4 15.Ne5 Bd6?? (better 15...Nf6=) 16.Nd7+- Kd7 (16...Qc7 17.Bb5 Nc6 18.Ne5 Be5 19.fe5+- (19.dc6?! Bc3 20.Bd2 Rd8 21.Bc3 Rd1 22.Rd1 bc6+-)) 17.Qg4 Ke7 (17...f5 18.Qg7 Nf7+-) 18.Nf2 (better 18.Qg7 Nf6 19.Qh8+-) 18...Nf6= 19.Qh4 (19.Qg7 Rg8 20.Qh6 Qc7=) 19...Kf8=+ 20.Be2 (20.c4 Bb4 21.Kd1 Qc7-/+) 20...e3 (20...Qc7 21.c4 Nd5 22.Ne4 Nf4 23.Bf4 Bf4 24.0-0-/+) 21.Nd3 (21.Be3 Nd5 22.Nd1 Qc7-/+) 21...Nd5 22.c4 (22.0-0 Qc7-/+) 22...Nb4 (better 22...Nf4!? 23.Nf4 Bf4-/+) 23.0-0-/+ Nc2 (better 23...Nd3!? 24.Bd3 Bc5-/+) 24.Ra2= Nd4 25.f5 (25.Be3 N8c6=) 25...Ne2 (25...N8c6!?=) 26.Re2+= h6 (26...b5 27.f6 Ne6 28.c5+-) 27.Re3 (27.Be3 Nc6+=) 27...Nc6 (27...Qc7 28.Rfe1 Nc6 29.Bb2+=) 28.c5 (28.Bb2 b6+=) 28...Be7= 29.Re7 Ne7 30.f6 gf6 31.Qf6 (worse 31.Rf6 Qc7 32.Bf4 Qd8=) 31...Rh7 32.Ne5 (better 32.Bh6 Kg8 33.Ne5 (33.Qe7?! Rh6 34.Qf7 Kh8+=) 33...Rh6 34.Qf7 Kh8 35.Qe7+-) 32...Qe8?? (better 32...Qc7=) 33.Qd6 (better 33.Ng6! Ng6 34.Qg6 Rh8+-) 33...Kg8 34.Nd7 Qd8 (34...Nf5 35.Nf6 Kh8 36.Qd3+- (worse 36.Ne8 Nd6 37.Bb2 f6 38.Rf6 Kg8 39.Nd6 a5+-)) 35.Bb2 (35.Bb2 Ng6 36.Nf6 Qf6 37.Rf6+-) 1–0. Dobrov,Vladimir (2535) – Blom,Vincent (2180), 3. Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nc4 Nf6 10.Nf3 Rd8 (10...Bg4 11.Ne3 Bf3 12.Nd5 (worse is 12.gf3 Qh5=; worse is 12.Qf3 Qf3 13.gf3 e6+=) 12...Bd1 13.Nc7 Kd7 14.Na8+/-) 11.Ne3 Qd6 12.d5 Ne5 13.Ra7 Nf3 14.gf3 Qb6 15.Ra2 (15.Qd4 Qd4 16.cd4 e6=) 15...e6+= 16.Nc4 Qc5 17.d6 b5 18.Be3 Qc6 19.Nb6 (better is 19.Na3!? Qc3 20.Qd2 Qd2 21.Rd2-/+) 19...Bd6-+ 20.Rd2 Be5 21.c4 Bc3 22.cb5 Bd2 (22...Qb7 23.Rg1 0-0 24.Qe2-+) 23.Qd2 Qf3 24.Rg1 0-0 25.Be2 Qh3 (25...Qf5 26.Qd3 Rfe8 27.Rg3-+) 26.Bh6?? (better is 26.Bd4!? Ne8 27.Bg7 Ng7 28.Rg7 Kg7 29.Qg5 Kh8 30.Qf6 Kg8 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5 Kh8=) 26...Qh2 (26...g6 27.Bf8 Qh2 28.Qg5-+) 27.Qg5 (better is 27.Rg7!? Kh8 28.Rg3-/+) 27...g6-+ 28.Bf8 Kf8 (28...Ne4!? 29.Rg2 Qc7 30.Qe3-+) 29.Rg3-/+ Qh1 (better is 29...Kg7 30.Bf3 Qh6 31.Qh6 Kh6-/+) 30.Rg1= Qh2 31.Rg3 Qh1 (better is 31...Kg7!? 32.Bf3 Qh6 33.Qh6 Kh6 34.Nd7 Nd7-+ (34...Rd7?! 35.b6+=)) 32.Rg1= Qh2 33.Rg3 ½–½. Sale,S (2390) – Kinez,I (2055), Zagreb Open, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nf3 Rc8 10.Bc4+= Qe4 11.Be3 e6 12.0-0 Ba3 13.Ra3 Nge7 14.Bd3 Qg4 15.Qb1 b6 16.c4 Nf5? 17.d5+- Nfd4? 18.Bd4 Nd4 19.Ne5 Ne2 20.Be2 Qe2 21.Nd7 Rc7 22.de6 fe6 23.Qb5 Ke7 24.Re3 Qc4 25.Qg5 (25.Qg5 Kd7 26.Qg7 Kc6 27.Qh8+-) 1–0. Kochetkova,Julia (2320) – Rybenko,Ksenya (2235), 8th ch–Euro w, Dresden GER, 2007.

    9.Nf3 Rc8 10.Be2 e6 11.0-0 Nf6 12.c4 Qf5 13.Rb1 Nb4 (13...Bb4 14.Nc2 a5 15.Nh4+/-) 14.Bd2 (14.Ne5 h6+=) 14...a5 (14...Nd3!?=) 15.c5+= b6 16.cb6 Be7 (16...Nfd5!? 17.Nc4 Rb8+=) 17.Ne5+/- Qe4 18.Nd7 (18.Bg5 Nbd5 19.Bf6 Nf6+/-) 18...Nd7 19.Bb5 Qd5 (19...Nc6!?+/-) 20.Qa4+- Rd8 (20...Qd4?? 21.Bb4 ab4 22.Rfd1+-) 21.Bf4 (worse is 21.Bb4 Bb4 22.Bc6 Qg5+- (22...Qd4? 23.Nc2 Qb6 24.Nb4 ab4 25.Rb4+-); 21.Qa5?! Ra8 22.Bd7 Kd7 23.Qb5 Qb5 24.Nb5 Nd5+/-) 21...Bd6? (better is 21...Na2 22.Bd7 Qd7+-) 22.Bd6 (22.Qa5?! Bf4 23.Qb4 Bd6+/-) 22...Qd6 23.Nc4 (23.Nc4 Qd5 24.Na5+- (24.Qa5?! Nc6 25.Qa3 Nd4 26.Nd6 Ke7 27.Nf5 Kf6 28.Nd4 Qd4+-); 23.Qa5?! Nc6 24.Bc6 Qc6+-) 1–0. Kett,T (2240) – Varley,P (2230), Cardiff WLS, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nf3 Rc8 10.Be3 e6 11.Bc4 Qh5 12.Be2 Ba3 (12...Qg6 13.Ng5 Nh6 14.Bd3=+) 13.Ra3 (13.Ng5 Qh6 14.Nf7=+) 13...Qd5= 14.0-0 Nf6 15.Qb1 (15.c4 Qd6 16.Qa1 0-0+=) 15...Qd6 16.Qb7?? (better 16.Bc1=) 16…Qa3-+ 0-1. Oliynyk,Yuriy (1955) - Borsuk,K (2410), 8th Olkhovsky Mem, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    9.Nf3 Qe4 10.Be3 e6 11.Bd3 Qg4 12.h3 Qh5 13.Nb5 f5 (13...Nd4 14.Nc7 Kd8 15.Na8 Nf3 16.Qf3 Qf3 17.gf3 Bc6+-) 14.Nc7 Kd8 15.Na8 Nf6 16.Ne5 (better is 16.Qb3!? Bd6 17.Qb7 Ke7+-) 16...Qd1 17.Kd1 Ne5 18.de5 Nd5 19.Bd4 b6 (19...a6+-) 20.Ra7 Bc5 21.Bc5 bc5 22.Kc2 1–0. Roest,Bjorn – Jacobsen,Mads Holger (1785), Gausdal op–B, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bd7)

    9.Nf3 e5 10.Bc4 Qe4 11.Be3 ed4 12.Bf7 Kd8 13.Nd4 (13.cd4!? Nh6 14.Bc4=+) 13...Qg2=+ 14.Nc6 (14.Rf1 A) 14...Qh2 15.Ne6 Ke7 16.Bf4 (worse 16.Nf8 Rf8 17.Bc5 Kf7 18.Qd7 Nge7-/+) 16...Be6 17.Be6+-; B) 14...Nd4 15.Qd4 Nf6=+ (15...Qh2? 16.Bg5 Be7 17.Rd1+-)) 14...Qc6 (14...bc6 15.Rf1 Qh2 16.Nc4=) 15.0-0=+ Ba3 (15...Nf6 16.Nc4 b5 17.Ne5=) 16.Ra3= Nf6 (16...Ne7 17.Qh5 a6 18.Bg5+-) 17.Ra7 (17.Ba7 Ke7 18.Bb3 Ne4+-) 17...Ra7 18.Ba7 Kc8 (18...Rf8 19.Qb3 Bh3 20.Rd1 Nd7 21.Bd5 Qg6 22.Kh1=) 19.Qd3+= Rf8 (better 19...Ne4!? 20.Ra1 Rf8+=) 20.Qg3+- Qc7 21.Qg7 Qd6 22.Bd4 (22.Bb3 Ne4 23.Bd5 Nf6+-) 22...Qe7 23.Qf6 Qf6 24.Bf6 Rf7 25.Be5 Rf3 26.Rd1 Kd8 (26...Bf5 27.Rd5+-) 27.Kg2 Rf8 (27...Rf7 28.c4+-) 28.f4 (28.c4 Ke8+-) 28...Rg8 (28...b5 29.Kf3+-) 29.Kf2 Ke7 30.Rd6 (30.c4 b5 31.cb5 Bb5+-) 30...Rg6 31.Rd2 Bc6 (31...b5 32.Ke3+-) 32.Ke3 Rg2 33.Rg2 Bg2 34.f5 Kf7 (34...b5 35.Bd4+-) 35.Kf4 (35.c4 b6+-) 35...Bc6 (35...b5 36.Kg5+-) 36.Kg5 Be4 ½–½. Norbaev,Nabijon (2160) – Pascua,Haridas (2420), 4. Johor Open, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nf3 e5 10.Bc4 Qe4 11.Be3 Nh6 12.0-0 Ba3 13.Ra3 0-0 14.Bh6 gh6 15.Re1 Qf4 16.Ne5 Ne5 17.Re5 Bc6 18.h3 Kh8 19.Re3 Rg8 20.Bf1 Qd6 21.c4 Rg7 22.d5 b5?? 23.Qa1 Bd7 24.Rg3 f6 25.Rg7 Kg7 26.Rg3 Kh8 27.c5 Qe7 28.Re3 Qg7 29.c6 1–0. Vocaturo,D (2455) – Novosel,T (2070), 17th ch–EU U18 Boys, Sibenik CRO, 2007.

    9.Nf3 e6 10.Nb5 Rc8 11.Bd3 a6 12.c4 Bb4 13.Bd2 Qh5 14.Bb4 ab5 15.Bd6 bc4 16.Bc4 Nge7 17.0-0 b5 18.Bd3 Qd5 19.Be7 Ke7 20.Qb1 Attacking the isolated pawn on b5 20...Rb8 (better is 20...b4!?=) 21.Be4+/- Qd6 22.Ra6 Ra8 23.Ra8 Ra8 24.Qb5 Rb8 25.Qg5 Kf8 26.Rd1 h6 27.Qh5 Rb4 The pressure on the isolated pawn grows 28.Bc6 Bc6 (28...Qc6?? 29.Ne5 g6 30.Qh6 Kg8 31.Qf4+-) 29.Ne5 Be8 30.Nf3 f6 31.Qa5 Bc6 32.Qa6 Qd7 33.Ne1 Kg8 34.Nc2 Qd5 35.Ne3 Qe4 36.Qd3 Qd3 ½–½. Brylski,Pawel (2090) – Bartoszewicz,Marcin (1975), 53. Zlota Wieza Poland, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nf3 e6 10.Nb5 Rc8 11.Be2 a6 12.c4 Qf5 13.Bd3 Qh5 14.g4 (14.Nc3!?+=) 14...Qg4-/+ 15.Rg1 Qg1 16.Ng1 ab5 17.cb5 Nd4 18.Nf3 Bc5 (18...Bb4 19.Bd2 Bd2 20.Nd2 Nf6= (20...Bb5? 21.Bb5 Ke7 22.Ba4+-; 20...Nb5 21.Ne4 Nf6 22.Bb5 Bb5 23.Nd6 Ke7 24.Nb5+-)) 19.Bb2+= e5 20.Ne5 Be6 21.Kf1 Nf6 22.Rc1 Nb3 23.Rc3 Na5 24.Qc2 b6 25.Ba3 Nb7 26.Bc5 Nc5 27.Nc6 Nd3 28.Qd3 Nd5 29.Rc4 Ne7 30.Rd4 Nc6 31.bc6 0-0 32.Qb5 Bh3 33.Ke2 Rfe8 34.Kd2 Bg2 35.Rd6 Re6?! (35...Red8 36.Rd8 Rd8 37.Ke3 h5+-) 36.Re6 fe6 37.c7 (37.Qb6?! Bc6 38.f4 Bd5+=) 37...Kf8 38.Qb6 (better is 38.Qd7 Bb7 39.Qd6 Kf7 40.Qb6+-) 38...Ke7 39.Qb4 Kd7 40.Qd4 (40.Qd4 Bd5 41.Qg7 Kd6 42.Qh7 Rc7 43.Qh6+-) 1–0. De Pierrefeu,Thibault (2190) – Houhou,Olivier (2270), Issy les Moulineaux tt, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

    9.Nb5 Rc8

    10.c4 Qe4 11.Ne2 e5 (11...Nb4 12.f3 Nd3 13.Kd2-/+) 12.f3 (12.Nbc3 Bb4 13.Bd2 Bc3 14.Bc3 ed4 15.Bd4-+) 12...Qh4-/+ 13.g3 Qf6 14.Nec3 (14.Bg2 ed4 15.Nbd4-/+) 14...Nd4 (14...a6 15.d5 ab5 16.dc6 Qc6 17.Nb5-/+) 15.Nd4 ed4 (15...Bb4 16.Bd2 ed4 17.Nd5 Bd2 18.Qd2=) 16.Ne4 (better is 16.Nd5!? Qe6 17.Kf2+=) 16...Qb6-+ 17.Bd3 (17.Kf2 f5 18.c5 Bc5 19.Nc5 Rc5-+) 17...Nf6 (better is 17...f5!? 18.Nf2 Nf6-+) 18.Rb1 Bb4 19.Kf2? (better is 19.Bd2!? a5 20.Nf6 Qf6 21.Bb4 ab4 22.Qe2 Kf8 23.0-0-/+) 19...Ne4-+ 20.Be4 0-0 21.Qd3 (21.Qb3 a5 22.Bd2 Bb5-+) 21...g6 (21...Be6 22.Bh7 Kh8 23.Rb4 Qb4 24.Ba3 Qc4 25.Qc4 Bc4 26.Bf8 Rf8 27.Be4-+) 22.h4? (better is 22.Bd2!? a5 23.Rhd1-/+) 22...Be6 (better is 22...Bc6-+) 23.h5? (23.Bd2 a5 24.Rhc1-+) 23...Bc4 24.Qd1 f5 25.Rb4 (25.hg6 fe4 26.gh7 Kh8 27.Rb4 e3 28.Kg2 Bf1 29.Rf1 Qb4 30.Re1-+) 25...Qb4 26.hg6 hg6 (better is 26...Bb3 27.gh7 Kh8 28.Ba3-+) 27.Bb7?? (27.Qd4 Qc5 28.Rh8 Kf7 29.Qc5 Rc5 30.Rf8 Kf8 31.Ba3-+) 27...Qb7 (27...Bb3 28.Qd2 Rc2 29.Bd5 Rf7 30.Qc2 Bc2 31.Rh4-+) 28.Qd4 Qb6 (28...Qb6 29.Rh8 Kf7 30.Rh7 Ke6 31.Qb6 ab6-+) 0–1. Voet,Dirk Victor (1890) – Cools,Gorik (2255), Brasschaat BEL, Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7 9.Nb5 Rc8)

    10.c4 Qe4-/+ 11.Be3 e5 12.de5 Bb4-+ 13.Ke2 Qc4 14.Qd3 Qd3 15.Kd3 Ne5 16.Ke4 Ng4 17.Na7 Ne3 18.Nc8 Nf1 19.Rf1 Bc8 20.Rb1 Nf6 21.Kd4 Ba5 22.Nf3 0-0 23.Rhc1 Rd8 24.Ke3 Nd5 (24...Nd5 25.Ke4 f5 26.Kd3 Nc3 27.Ke3 Nb1 28.Rb1 g5-+) 0–1. Rost,Bjorn – Bergvoll,M (1965), Norwegian Open, Oslo NOR, 2005.

    10.Bf4 Qe4 11.Ne2 e5 12.de5 Ne5 13.Nd6 Bd6 14.Qd6 Nd3 15.Kd2 Nf4 16.Nf4= Qc6 17.Re1 Kd8 18.Qd4 Nf6-/+ 19.Bd3 Rc7 20.f3 Kc8 21.Be4? Ne4-+ 22.Re4? Rd8 23.Ke3 Bf5 24.Qa4 Be4 25.fe4 0–1. Arnetta,MariaT (2020) – Fronda,J (1995), 1st WMSG Blitz Team w, Beijing CHN, 2008.

    10.Bf4 Qe4-/+ 11.Ne2 e5 12.f3 Qf5 13.Be3 Nb4?? 14.Ng3= Nc2 15.Kd2 Ne3 16.Nf5 Nd1 17.Nfd6 Bd6 18.Nd6 Ke7 19.Nc8 Bc8 20.de5 Nf2 21.Rg1 Nh6 22.Ke3 Nfg4 23.fg4 Ng4 24.Kf4 Rd8? 25.Be2+- g5 26.Kg5 Ne5 27.Kf4 Ng6+= 28.Ke3 a6 29.Rgd1 Re8 30.Kf2 Kf6 31.Rd6 Kg5 32.Ra5 f5 33.g3 Kh6 34.Rc5 Kg7 35.Rc7 (35.Rc7 Kh8 36.Bh5+-) 1–0. Rusev,K (2425) – Grigorov,G (2360), 69th ch–BUL, Pleven BUL, 2005.

    10.Bf4 Qe4 11.Ne2 e5 12.f3 Qf5 13.g4 Qf6 14.de5 Ne5 15.Qd5 Bc6 (better is 15...Rc5 16.Be5 Rd5 (16...Rb5 17.Qb5 Qf3 18.Qc4 Qh1 19.Ra7+-; worse is 16...Bb5 17.Qc5 Bc5 18.Bf6 Nf6 19.Ra5 Be2 20.Be2+=) 17.Nc7 Kd8 18.Bf6 Kc7=) 16.g5?? (better is 16.Qe5 Qe5 17.Be5 Bb5 18.Ra7+=) 16...Bd5-+ (16...Nf3?! 17.Qf3 Bf3 18.gf6=) 17.gf6 Nd3?? (better is 17...Nf3 18.Kd1 Nf6-+) 18.Kd2+= Nf4 19.Nf4 Nf6 20.Re1? Kd8-+ 21.Nd5 Nd5 22.Re5 Rc5 23.Bc4 Nc7 24.Rc5 Bc5 25.Nc7 Kc7 26.Bf7 Rf8 27.Bd5 Rf4 28.h3 a5 29.Re1 Rf5 30.Be4 Rh5 31.Rh1 a4 32.c4 b6 33.Kc3 a3 34.Bb1 Rh4 35.Be4 g6 36.Rh2 Kd6 0–1. Paczka,Patryk – Kucera,Petr, Liberec CZE, Desko Open, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bd7)

    10.Bf4 Qe4-/+ 11.Be3 a6 12.Na3 e6 13.Nf3=+ Nb8 14.Bd3 Qc6 15.c4 Bb4 16.Nd2? Nf6 17.0-0=+ 0-0 18.Nc2 Be7 19.Qf3 Qf3 20.Nf3 Bc6 21.Ne5 Be4 22.Be4 Ne4 23.f3 Nd6 24.c5 Nb5 25.Na3 Na3 26.Ra3 b6 27.cb6 0–1. gregorgysi (2290) – rzens (2290), net–chess.com, 2010.

    8.Na3 e5

    9.Nb5 Kd8 10.Nf3 ed4 11.Ra4 Bg4 12.Nbd4+=.

    9.Nb5 Kd8 10.Nf3 Bg4 11.Be2 Bf3= 12.gf3 ed4 13.cd4 Bb4 (13...a6 14.0-0 Bb4 15.Bd2=+) 14.Bd2 Bd2 15.Qd2 Nf6 16.0-0 (16.Rg1 Re8 17.Kf1 g6=) 16...Re8 17.Rfc1 Re7 (17...Qd7 18.Na7 Ke7 19.Nc6 bc6 20.Ra8 Ra8 21.Qb4 Kd8 22.Bc4+-) 18.Rc5+= Qd7 (18...Qb3 19.Bd3 Nd7 20.Rc3+=) 19.d5+- Ne5?? (19...a6 20.Qa2 Re2 21.Qe2 Nb4+-) 20.d6+- Re6 (20...Nc6 21.de7 Ke7 22.Qb2+-) 21.Qa5 b6 (21...Ke8 22.Nc7 Kf8 23.Ne6 fe6 24.Re5 Qd6+-) 22.Qb6 Ke8 23.Nc7 (23.Ra7 Ra7 24.Qb8 Qd8+-) 23...Kf8 24.Ne6 (better 24.Qb2!? Rd6 25.Na8 Nc6+-) 24...Qe6 25.Ra7 Ra7 26.Qa7 Qd6 27.Rc8 Ne8 28.Qa4 Qe6 29.Qb4 Kg8 30.Ra8 Nd7 (30...g6 31.Bb5 Nf3 32.Kh1+-) 31.Qe4 (better 31.Bc4 Qg6 32.Kh1+-) 31...Ndf6 32.Qe6 fe6 33.Bc4 1–0. Kumic,Filip (2265) – Beslin,Igor (2005), 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

    9.Nb5 Kd8 10.Nf3 Bg4 11.Be2 Bf3 12.gf3 ed4 13.Bf4 Rc8 (13...Nf6=) 14.Qd3 (better 14.Ra4!?+/-) 14...a6=+ 15.c4? (better 15.Nd4!? Nd4 16.Rd1=+) 15...Bb4 16.Kf1 Qd7 17.Rg1? (better 17.Rd1 Bc5 18.Nc3-+) 17...ab5 18.cb5 Nce7 19.Rg7 (19.b6 Nd5 20.Bc7 Ke8 21.Qd4 Ngf6-+) 19...Ng6 20.Bg5 (20.Rd1 Bc3 21.Qe4-+) 20...Ke8 21.Qb3 (21.Rd1 Bc3 22.Bd2 Kf8 23.Bc3 Qh3 24.Ke1 dc3 25.Rg6 hg6-+) 21...Bc3 22.Ra7 (22.Rc1 Kf8 23.Rg6 hg6-+) 22...Kf8 (better 22...d3 23.Ra2 Qh3 24.Kg1 Bg7 25.Bf1-+) 23.Rg8 (23.Rf7 Qf7 24.Qf7 Kf7 25.Rb7 N8e7-+) 23...Rg8 24.Bh6 (24.Qa3 Kg7 25.Kg1-+) 24...Ke8 25.Bc4 Ne5 26.Bd5 Qh3 27.Ke2 Qh6 (27...Qh6 28.Bc6 bc6 29.Qc3 dc3 30.Re7 Ke7 31.f4 Qf4 32.b6 Rg1 33.b7 Qd2) 0-1. Strebkov,Vladimir (1890) - Egorova,Tatyana (1720), 6th Sochi Amateur Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    9.Nb5 Kd8 10.Bg5 Be7 11.de5 Qd1 12.Rd1 Bd7 13.Be7 Ke7 14.f4 Nh6 15.Bd3 Bf5 16.Nf3 Rhd8 17.Nfd4 Bd3 18.Rd3 f6 19.Rg3 Nd4 20.Nd4 (worse is 20.cd4 Nf5 21.Rb3 b6+=; worse is 20.Rg7 Kf8 21.Rb7 Nb5 22.Rb5 Ng4-/+) 20...fe5 21.fe5 Rg8 22.Ke2 Rac8 23.Rb1 b6 24.Ra1 a5 25.Rb1 Rc5 26.Rb6 Re5 27.Kd3 Rh5 (27...Kf7!?+/-) 28.Re3 Kd7 29.Rb7 Kc8 30.Ree7 Rc5 31.Nb5 (31.Rg7?! Rg7 32.Rg7 Rc7+-) 31...Rd8 32.Kc2 Rdd5 (32...Rd7 33.Rbd7 Rb5 34.Rg7+-) 33.Na7 Kd8 34.Rg7 Ke8 35.Rh7 Ng8 36.Rb8 (better is 36.g4+-) 36...Rd8 37.Rd8 Kd8 38.Rh8 Rg5 39.g3 Kc7 40.Rh7 Kb6 41.Nc8 Kc5 42.Rc7 Kb5 (42...Kd5 43.Ra7 Kc6 44.c4+-) 43.c4 Kb4 44.Nd6 Rg6 45.Rb7 Kc5 46.Rb5 Kd4 47.Rd5 Ke3 48.Rd3 Ke2 49.c5 Ne7 50.Nc4 Nc6 51.Rd2 Kf3 52.Rd6 Rd6 53.cd6 Kg4 54.Kd3 Kh3 55.Ke4 Kh2 56.g4 a4 57.g5 Nd8 58.g6 Ne6 59.Ke5 a3 1–0. Vlasopoulos,Georgios – Sideris,Theodoros, Ambelokipi op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5)

    9.Nb5 Kd8 10.Bg5 Be7 11.de5 Qd1 12.Rd1 Bd7 13.Bf4 a6 14.e6 fe6 15.Nc7 e5 (15...Ra7 16.Ne6 Kc8 17.Bc4=) 16.Na8 ef4 17.Nb6 Nf6 18.Nh3 Re8 19.Be2 f3 20.gf3 (20.Nd7? fe2 21.Rd2 Nd7 22.Re2 Nc5-+) 20...Kc7 (20...g6 21.Nf4 Kc7 22.Nd7 Nd7 23.Nd5 Kb8 24.0-0+-) 21.Nd7 Nd7 22.Nf4 Bd6 (22...Kc8 23.Nd5+-) 23.Nd5 Kb8 24.f4 Bc5 (24...Rf8 25.Rg1 g6 26.Ne3+-) 25.Rg1+- g6 26.Rg3 1–0. Vasiukov,Evgeni (2390) – Wahlbom,Magnus (2190), 7th Sabadell Spain, European Championsh, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

    9.Nb5 Qd8 10.d5+- Nb8? 11.d6 Na6 12.Ra6! ba6 13.Nc7 Kd7 14.Ba3 Qh4 15.Qd5 Nf6 16.Qf7 Kc6? (16...Kd8 17.Bd3 Rb8 18.Ne6 Be6 19.Qc7 Ke8 20.Qb8 Kf7+-) 17.Na8 Bd7 18.Qb3 (18.Nf3!? Qe4 19.Be2 Nd5+-) 18...Qe4 19.Be2 Bd6 20.Kf1 (20.f3!? Qe3 21.Qc4 Kb7 22.Bd6 Ka8+-) 20...Rb8 21.Qb8! Bb8 22.Bf3 Kb7 23.Be4 Ne4 24.Ne2 Bb5 25.Bb4 Ka8 26.Ke1 Bc7 27.f3 Nd6 28.Bd6 Bd6 29.Kd2 Kb7 30.Ng3 Kc6 31.Ne4 Be7 32.Rc1 Bc4 33.Kc2 a5 34.Nd2 Bf7 35.Ra1 Bg6 36.Ne4 Kb5 37.Rb1 Kc6 38.Kb3 Kb5 39.c4 Kc6 40.Rd1 Bf7 41.Nc3 Bc5 42.Ra1 Bb4 43.Nd5 Bd5+= 44.cd5 Kd5 45.Rd1 Ke6 46.Kc4 a6 47.Rd8 Bd6 48.Kb3 Ke7 49.Ra8 e4 50.fe4 Bh2 51.Ra6 Be5 52.Ra5 Ke6 53.Kc4 Bb2 54.Kd3 Be5 55.Ke3 h5 56.Ra6 Kf7 57.Kf3 g5? 58.Rh6 h4 59.Kg4 Bf6 60.Kf5 Bg7 1–0. Karski,Lukasz (1935) – Wilczynski,Adam (1905), Warszawa Najdorf Memorial op–B Poland, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5)

    9.Nb5 Qd8 10.d5 Nb8? 11.d6 Na6 12.Ra6 ba6 13.Nc7 Kd7 14.Na8 1–0. Stashis,Anna (1770) – Wickramasinghe,Dilhara (1645), World Youth Chess Championships, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

    9.Nb5 Qd8 10.d5 Bc5 11.Be3 Be3+= 12.fe3 Na5 13.d6 Qh4 (13...Kf8 14.Nc7 Qh4 15.g3 Qe4+-) 14.g3 Qe4 (14...Qh6 15.Nc7 Kd8 16.Ra5 Qe3 17.Ne2+-) 15.Qf3 (better 15.d7 Bd7 16.Nd6 Ke7 17.Ne4+-) 15...Qf3 16.Nf3 b6 17.Nc7 Kd7 18.Na8 Bb7 19.Bg2 Ba8 20.Ne5 Ke6 21.Ba8 Ke5 22.d7 Nf6 23.Rd1 Rd8 24.Bg2 (24.0-0 Nc4+/-) 24...Nc4 (24...Rd7 25.Rd7 Nd7 26.Rf1+=) 25.Ke2 (better 25.0-0!?+/-) 25...Rd7= 26.Rd7 Nd7 27.Rd1 Nc5 28.Bd5 Nd6 29.c4 f5 30.Bg8 Nde4 31.Rd8 Nf6 32.Bf7 Nb7 33.Ra8 a5 34.Bg8 Nd6 (worse 34...Ng8 35.Rg8 g6 36.Rb8+-) 35.Kd3 g5 (35...Ng8 36.Rg8 g6 37.Rb8+-) 36.h4 (36.c5 bc5 37.Bc4 Nfe4 38.Ra5 h6=) 36...h6 (worse 36...Ng8 37.Rg8 gh4 38.gh4+/-) 37.hg5 hg5 38.Rb8 (38.c5!? bc5 39.Bb3=+) 38...Nde4-/+ (38...Ng8?! 39.Rg8 Ne4 40.g4 fg4 41.Re8 Kf5 42.Rd8 (42.Re4?? g3-+) 42...Nc5 43.Ke2=) 39.Bf7 Nd7 (39...Ng3? 40.Rb6 f4 41.Rb5 Kd6 42.Rg5+- (42.Ra5?! f3 43.c5 Ke5 44.c6 Kd6=)) 40.Re8 Kf6 41.Bd5 Ndc5 (41...Ng3 42.Re6 Kf7 43.Rb6 Ke7 44.Rb5+/-) 42.Kc2 Ng3 43.Rb8 Nf1 44.Rb6 Ke5 45.Rb5 Kd6 (45...Ne3!? 46.Kc3 Nd5 47.cd5 Ne4 (47...Kd5?! 48.Ra5 f4 49.Kb4=) 48.Kd3 Nd6 49.Ra5 g4-/+) 46.Ra5 Ne3 47.Kb1?? (better 47.Kc3=) 47...Nd5-+ 48.cd5 Kd5 49.Kc2 Kd4 50.Ra8 Ke3?? (better 50...Ne4 51.Kd1 Ke3-+) 51.Ra5= Kd4 52.Kd1?? (52.Ra8 Ne4 53.Kd1-+) 52...g4 53.Ke2 f4 54.Rb5 (54.Ra3-+) 54...f3 55.Kf1 Ne4 56.Rb1 (56.Rb8 Ke3 57.Re8 g3-+) 56...Ke3 (56...Nd2 57.Kf2 Nb1-+) 57.Rb3 Kf4 58.Rd3 (58.Rb7 g3 59.Rf7 Ke3-+) 58...g3 59.Rd8 (59.Kg1 Ng5 60.Rd2 Ke3-+) 59...g2 60.Kg1 Ng5 61.Kh2 Nh3!! 62.Rd1 (62.Kh3 g1Q Combination) 62...g1Q 63.Rg1 Ng1 64.Kg1 Ke3 65.Kf1 f2 (65...f2 66.Kg2 Ke2 67.Kg3 f1Q 68.Kg4 Qf6 69.Kg3 Qg5 70.Kh3 Kf3 71.Kh2 Qg2) 0-1. Degtiarev,V (1655) - Kholodov,Vladimir (1935), 23rd Voronezh FIDE Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    9.Nf3 Ba3+= 10.Ba3 ed4 11.cd4 Nge7 12.Rc1?? Qa5-+ 13.Qd2 Qa3 14.Bc4 Qa5 15.Rc3 b5 16.Bb3 0-0 17.d5 Nb4 18.d6 Ned5! 19.Rc8 Rac8 20.Bd5 Rfe8 21.Kf1 Qa1 22.Ne1 Qe1! 23.Qe1 Re1 24.Ke1 Nd5 25.Ke2 Rd8 26.Ra1 Rd6 27.Ra7 Nc3 28.Ke3 g6 29.Rb7 b4! 30.Kf3 f5 31.g3 Rd3 32.Kg2 Nd5 33.Kf1 b3 34.Ke2 Rc3 35.Ke1 Kf8 36.Kd2 Rc2 37.Kd1 Nc3 38.Ke1 b2 0–1. Seirup,Simon (1650) – Bruin,Randolf Willem, Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    9.Nb5 Bd6

    10.Qf3 e4 11.Bc4 ef3 12.Bd5 Bb8 13.Bf3 Nf6 14.Bg5 a6 15.Bf6 gf6 16.Ne2 0-0 17.0-0 Bf5 18.Ng3 Bd3= 19.Be2 Be2 20.Ne2+= Bh2 21.Kh2 ab5 22.Ra8 Ra8 23.Rb1 Ra2 24.Re1 Rd2= 25.Kg3 b4 26.cb4 Nd4 27.Nd4 Rd4 28.Rb1 Kf8 29.Rb2 Ke7 30.Kf3 Kd6 31.Ke3 Rc4 32.Kd3 Rh4 33.g3 Rg4 34.Rb3 Kc6 35.b5 Kc5 36.Kd2 Rb4 37.Rf3=+ Rd4 38.Kc3= Rd6 39.Rf5 Kb6 40.Kc4 Re6 41.Rf4 Kc7 42.Kd4 Kd7 43.Kc4 Ke7 44.Kd4 Re5 45.Kc4 f5 46.f3 Kf6 47.Kb4 b6 48.Rc4 Re6 49.Rh4 Kg6 50.Kc4 Re3 51.Rf4 h5 52.Kd5 f6 53.Kc6= Re6 54.Kc7 Kg5 ½–½. gregorgysi (2285) – pauljohnson (2355), net–chess.com, 2010.

    10.Nf3 ed4 11.Nd6 Qd6 12.Be2 Nge7 13.Ba3 Qd5 14.0-0 (14.cd4!? 0-0 15.0-0-/+) 14...dc3-/+ 15.Qd5? (better is 15.Qc2-/+) 15...Nd5-+ 16.Bc4 Be6 17.Rfb1 0-0-0 18.Bc5 Nc7 19.Be2 a6 (19...b6 20.Be3 Nd5 21.Rc1-+) 20.Rb6 (20.Rc1 Nd5-+) 20...Rd5 21.Rc6 (21.Be3 Rd7-+) 21...bc6 22.Bd4 c2 23.Bc3 Rhd8 (23...Rhd8 24.Re1 Rd1-+) 0–1. Klings,Peter (2185) – Majer,Damir (2300), Oberliga Ost–B, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

    10.Bc4 Qe4

    11.Be3 Bb8 12.Nf3 Bg4 13.Bf7 Ke7 (13...Kf7 14.Ng5 Double attack) 14.Qb3 Nh6 (better is 14...Nf6!? 15.de5 Ne5 16.Ne5 Qe5+/-) 15.Bd5+- Qg6 16.Bg5 (16.Na7 Ba7 17.Qb7 Bd7 18.Bg5 Qg5 19.Ng5 Rhb8 20.Bc6 Rb7 21.Bb7 Bd4 22.Ra8 Bc3 23.Ke2 Bd4+-) 16...Kd7? (16...Ke8 17.Na3 b6+-) 17.Bc6?? (better is 17.Na7 Bf3 18.Qb7 (18.Bf3 Ra7 19.Ra7 Na7 20.Qb7 Bc7 21.Bh6 gh6 22.Qa7 Rb8+-) 18...Bc7 19.Bf3 (19.gf3?! Na7 20.de5 Qg5 21.e6 Kd8 22.Qa8 Nc8+-) 19...Na7 20.Bh6 (worse is 20.Ra7 Ra7 21.Qa7 Qg5+=) 20...ed4 21.Ra6 (21.Ra7?! Ra7 22.Qa7 Qb1 23.Bd1 Qe4 24.Be2 Qb1 25.Kd2 Qb2 26.Ke1 Qb1 27.Bd1 Qe4 28.Kd2 dc3 29.Kc3 Qc6 30.Kd3 Qb5 31.Kd2 Qd5 32.Ke1 gh6 33.Qa4 Ke7+/-) 21...Rhe8 22.Be3+-) 17...bc6= 18.Ra7?? Ra7-+ 19.Na7 Bf3 20.Qb7 Bc7 21.gf3 Rb8 22.Qa6 Qg5 ½–½. Larsen,Tor Kristian (1985) – Blom,Erlend R, Hordaland–ch, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6 10.Bc4 Qe4)

    ...11.Ne2 Bb8

    12.0-0 ed4 13.Ned4 Nge7 14.Re1 Qh4 15.g3 Qf6 (15...Qg4 16.f3 Qg6 17.Ba3 Bg3 18.hg3 Qg3 19.Kf1 Bh3 20.Ke2+/-) 16.Nc6 bc6 17.Qb3?? (better is 17.Ba3 Be6 18.Nd4 Bc4 19.Re7 Qe7 20.Be7+-) 17…0-0-/+ (17...cb5 A) 18.Qb5?! Bd7 19.Qb7 0-0 (19...Qc3? 20.Bb2 Qc4 21.Rac1+-) 20.Qd7 Bd6+= (worse is 20...Qc3 21.Ba3 Qc4 22.Qe7 Bg3 23.hg3+-); B) 18.Bb5 Kf8 19.Qd5+-) 1–0. Kulagin,M (2260) – Sarkozy,L (2360), Czech GM Open A, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    12.0-0 Nge7 13.f3 Qg6 14.d5 Nd8 15.Ba3 Nf5 16.Ng3 a6 17.Qa4 Bd7 18.Qb4 Qf6 (18...ab5?? 19.Nf5 Nc6 20.dc6+-; 18...Bb5? 19.Nf5 Qb6 20.Rf2+-) 19.Nf5 Bf5 20.Nd4 Bd7?? (better is 20...Ba7 21.g4 ed4 (21...Bd4? 22.cd4 a5 23.Qb2+-) 22.Rfe1 Kd7 23.gf5 dc3 24.Kh1 Bf2-/+) 21.Rae1 a5 22.Qb2 Bd6 23.f4+- 0-0 24.fe5 Ba3 25.Qa3 Qb6 26.e6 Ne6 27.de6 fe6 28.Qe7 Rf1 29.Rf1 Qd8 30.Qf7 Kh8 31.Be6 Be6 32.Ne6 Qg8 33.Qb7 Re8 34.Ng5 Qc4 35.Nf7 Kg8 36.Nd6 Qc5 37.Kh1 Qf2 38.Qd5 Kh8 39.Nf7 Kg8 40.Ne5 (40.Ne5 Kh8 41.Rf2 h6 42.Rf8 Rf8 43.Ng6 Kh7 44.Nf8 Kh8 45.Ng6 Kh7 46.Ne7 a4 47.Qg8; 40.Rf2?? Re1 41.Rf1 Rf1) 1–0. Zvan,Ziga (2200) – Gazvoda,Franc (2145), SLO Cup Gostovanja, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6)

    12.0-0 Nge7 13.Ng3 Qg4 14.Qb3 0-0 15.d5 Nd8 16.f3 Qg6 17.Be2 Kh8 (17...Nf5 18.Ne4+=) 18.Rd1 Bd6 (better is 18...Nf5!? 19.Ne4 Bd7=) 19.Nd6 Qd6 20.Ne4 Qg6 21.Bc4?? (21.d6 Nf5 22.d7 a6+-) 21...Re8? (21...Nf5 22.Bd3=) 22.Bb5?? (22.d6 Nec6 23.d7 Re7 24.dc8N Rc8+-) 22...f5? (better is 22...Qb6 23.Kf1 Bd7=) 23.Be8+- Qe8 24.Nd6 Qd7 25.Qb5?? (25.Nc4 b6 26.Qa3 Bb7+-) 25...Ng6?? (better is 25...Qd6 26.Ba3 Qf6=) 26.Qd7+- Bd7 27.Ra7 (27.Ra7 Ra7 28.c4-+) 1–0. Webb,M (2075) – Taylor,Ge (1930), Paignton Ron Bruce Premier, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    12.0-0 Nge7 13.Ng3 Qh4 14.Qb3 0-0 15.d5 Nd8 16.Ra4 Nf5 17.Ba3 Re8 18.d6 Qf6 19.Ne4 Qg6 20.Rd1 Bd7 21.Nc5 Bc6 22.Bd5 Nd6 23.Nd6 Bd6 (23...Qd6?! 24.Bf7 Nf7 25.Rd6 Bd6 26.Rh4+=) 24.Bc6 bc6 25.Na6 Ba3 26.Nc7 Ne6 27.Na8? (better is 27.Ne6 Rab8 28.Qa3-+) 27...Bc5 (27...Ra8?! 28.Ra3 Nf4 29.g3=) 28.Qb7 Qc2 29.Raa1 Bf2 30.Kh1 Qe4 31.Rf1+= Qe2 32.Rae1? Qb5 33.Qb5 cb5 34.Rf2 Ra8 35.Re5 a6 36.Ra2 Rd8 37.h3 Rd6 38.c4 bc4 39.Rc2 Rd4 40.Ra5 g6 41.Ra6+= h5 42.Rc6 Rd1 43.Kh2 h4 ½–½. Jaroch,Karol (2170) – Markiewicz,Jerzy (2305), Poland–chT2 Wysowa, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6 10.Bc4 Qe4 11.Ne2 Bb8)

    12.0-0 Nf6 13.Ba3 Bd7 (13...Qg6 14.de5 Ne5 15.Nd6 Bd6 16.Qd6+-) 14.Qb3 (14.Bd6!? Qh4 15.Qb3 ed4 16.Bf7 Kd8 17.Bb8 Rb8 18.Nbd4+/-) 14...Nd8+= 15.Ng3 Qg6 (15...Qh4!?+=) 16.de5+/- Ne4?? (better is 16...Ng4 17.Bd6 Bd6 18.Nd6 Kf8 19.Nf7 Nf7+-) 17.Ne4+- Qe4 18.Rfe1 (better is 18.Qb4 Qe5 19.Rfe1+-) 18...Qg6 19.Qb4 Nc6 20.Nd6 Bd6 21.ed6 (21.ed6 Qe6 22.Qb2+-; 21.Qd6?! Qd6 22.ed6 Be6+/-) 1–0. Van Duijn,Roel (2020) – Mewes,H (1895), Dresden GER, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5= Bd6)

    12.0-0 Nf6 13.Ba3 Be6 14.Ng3 (14.Be6 fe6 15.Bd6 Qd5+=) 14...Qh4 (better 14...Qg4 15.Be6 Qd1 (worse 15...fe6 16.Qb3+=; worse 15...Qe6 16.de5 Ne5 17.Re1+/-) 16.Bf7 Kf7 17.Rfd1 ed4 18.cd4 Rd8=+) 15.d5?? (better 15.Be6 fe6 16.Re1=) 15...Qc4-+ 16.de6 Qb5 17.ef7? (17.Nh5 fe6 18.Nf6 gf6 19.Qh5 Kd8 20.Qf7+-) 17...Kf7 18.Rb1 Qa6 (better 18...Qd5 19.Rb7 Kg6-+) 19.Qb3= Kg6 20.Qe6? (20.Qc2 e4 21.Ne4 Ne4 22.Qe4 Kf6 23.Qf3 Ke6 24.Qg4 Kf6 25.Qf3 Ke6 26.Qg4 Kf6 27.Qf3=) 20...Re8 (20...Rd8 21.Nf5 h6 22.Nh4 Kh7 23.Qf5 Kg8 24.Qe6 Kh8 25.Ng6 Kh7 26.Nf8 Rf8 27.Bf8-/+) 21.Qb3 (21.Qf5 Kf7 22.Ne4 Qa3 23.Rb7 Re7 24.Ng5 Kg8 25.Qc8 Re8 26.Qc6-+) 21...e4 22.f4 (22.Qb7 Qb7 (22...Qa3?! 23.Qa8 Qc5 24.Qb7-+) 23.Rb7 Bg3 24.hg3 a5-+) 22...Qb6! 23.Bc5 (23.Qb6 Nd5 Double attack (23...Nd5 Decoy)) 23...Qb3 (better 23...Qc5 24.Kh1 Re7 25.Rbe1-+) 24.Rb3 b6 25.f5 (25.Bd4 Bc7-+) 25...Kf7 26.Be3 (26.Bd4 Bg3 27.hg3 e3-+) 26…Bg3 (26...Bg3 27.hg3 Ng4-+) 0-1. Rozman,Levy (2340) - Rathanvel,V (2445), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    12.Qb3 Qg2? 13.Bf7 Kd8 14.Rg1 +-.

    12.Qb3 Qg6 13.0-0 Nge7 14.d5 Nd8 15.Ba3 a6 16.Bb4 Bd7 17.Qa2 (better is 17.Be7!? Ke7 18.Qa3 Bd6 19.Nd6 Qd6 20.Qa2+=) 17...Nd5-/+ 18.Bd5 Bb5 19.Rfe1 Bd6 20.Qb3 (better is 20.Nd4!? Bc6 21.Nc6 bc6 22.Be4+=) 20...0-0-+ 21.Ng3 Rc8 (better is 21...Bb4 22.Qb4 Re8-+) 22.Be4= Qf6 23.Bd6?? (better is 23.Bh7 Kh7 24.Ne4=) 23...Qd6-/+ 24.Nf5 Qf6 25.Rad1 Rc7 26.Rd6 Ne6 27.c4 Rc4 28.Bb1 Rf4 29.Qh3 h6 0–1. Champetier,Serge (1905) – Prahov,Valentin (2225), Quebec Carnaval op, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6 10.Bc4 Qe4 11.Ne2 Bb8)

    12.f3 Qh4=+ 13.g3 Qf6 14.0-0 Nge7 15.d5 Nd8 16.d6 Nf5-/+ 17.Nc7 Bc7 18.dc7 Qb6 19.Kh1 Qc7 20.Bb5 Nc6 21.g4 Nfe7 22.Ng3 0-0 23.Qe1 Be6 24.Nh5 a6 25.Bd3 Rad8 26.Nf6 gf6 27.Bh7 Kh7 28.Qh4 Kg8 29.Qf6 e4! 30.Bh6?? Qe5-+ 31.Qe5 Ne5 32.Bf8 Kf8 (32...Kf8 33.fe4 Bg4-+) 0–1. Shchukin,Igor – Leshchenko,V (2150), ch–Kiev, Kiev UKR, 2004.

    8.Na3 e6

    9.Nb5+/- Kd8 10.Nf3 Bd7 11.Be2 +-.

    9.Nb5 Kd8 10.Bf4 e5? (better is 10...Qe4!? 11.Ne2 a6=) 11.de5+/- Qd1 12.Rd1 Bd7 13.e6 fe6 14.Nc7 e5 15.Ne6 (better is 15.Na8!? ef4 16.Nh3+/-) 15...Ke7= 16.Nf8 (better is 16.Nc7!? Rd8 17.Be3=) 16...Rf8-/+ (16...Kf8?! 17.Rd7 ef4 18.Rb7=) 17.Be3 b6 18.Nf3 Nf6 19.Bb5 Rc8 20.Bc6 Rc6 21.Ne5 Rc3 22.0-0 Be6 23.Bd4 Rc7 24.Rfe1 Rhc8 25.f4 Kf8 26.Ng6 hg6 27.Re6 Rc1 28.Rc1 Rc1 29.Kf2 Kf7 30.Rd6 0–1. Blum,Pierre1 (1815) – Birens,Eric Andre (2035), FRA–ch Accession, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

    9.Nf3 Ba3 10.Ba3 Nge7 11.Bd3 0-0 12.0-0 Re8 13.Re1 Ng6 14.Re3 (14.Bc5 Bd7+/-) 14...Qd8 15.Qc2 Qc7? (15...Nce7 16.Be7 Re7 17.h4+/-) 16.Ng5 (16.d5!? Na5 17.d6 Qd8+-) 16...Qf4 (16...Nce7 17.Rb1+/-) 17.Nh7! Kh7? (17...e5 18.d5 Nce7 19.Be7 Re7 20.Bg6 fg6 21.Qg6 Rf7+/-) 18.Rh3 Kg8 19.Bg6 fg6 20.Qg6 Bd7 21.Qh7 Kf7 22.Rf3 Qf3 23.gf3 Rh8 24.Qe4 Rh5 25.c4 White plans d5 (25.Qf4!? Rf5 26.Qc7 Rd8+-) 25...Rah8 26.Qf4 Ke8 27.d5! Nd8?? (27...ed5 28.Qc7 Decoy) 28.Qd6 (28.Qd6 Rg5 29.Kf1+-) 1-0. Ramsdal,Jens Albert (2300) - Petersen,Nils (1985), Obro New Year, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    9.Nb5 Bd6?

    10.c4?? Qe4 (better 10...Bb4 11.Bd2 Qd8 12.Bb4 Nb4+=) 11.Be3 (11.Be2 Bb8 12.Nf3 Nb4+-) 11...Bb8 (better 11...Bb4!? 12.Ke2 Kf8=) 12.Nf3+- Qg6 13.Bd3 f5 14.d5 Ne5 (14...ed5 15.cd5 Ne5 16.0-0+-) 15.0-0+- Nf3 16.Qf3 e5 17.Qe2 (worse 17.Na7 e4 18.Qd1 Bd7+=) 17...a6 (17...e4 18.Ba7 Nf6 19.Bb8 Rb8 20.Nc7 Kf7 21.Bc2+-) 18.c5 (18.Bd4!? Nf6 19.Be5 0-0+-) 18...Nf6+- 19.c6 (19.Bc4!? 0-0 20.c6 bc6 21.dc6 Kh8 22.g3+=) 19...Nd5+= 20.c7 Bc7 (20...Nc7? 21.Rfc1 0-0 22.Nc7 Bc7 23.Rc7+-) 21.Nc7 (21.Rfc1!? Bd8 22.Bc5 Qg2 23.Kg2 Nf4 24.Kf1 Ne2 25.Nd6 (25.Be2?! Kf7+-) 25...Ke7 26.Be2+-) 21...Nc7=+ 22.Rfc1 (22.Bf4!=+) 22...Ne6-/+ 23.Bb5 Kf7 24.Bc4 Re8 25.Bb5 (25.Ra5!? b5 26.Bd5=+) 25...Re7 26.Bc4 (26.g3 f4 (26...ab5?! 27.Ra8 Bd7 28.Bc5 Nc5 29.Rc5=+) 27.Bb6 Ng5-+ (27...ab5?! 28.Ra8 Bd7 29.Qe5=)) 26...Bd7 (26...b5!? 27.Bb3 Bb7 28.f3-+) 27.Bc5-/+ Bc6 28.Qf1? (better 28.f4 ef4 29.Be7 Ke7 30.Rf1-+) 28...Rd7-+ 29.Bb6 Ke8 (29...Kf6 30.Rd1-+) 30.Be6? (better 30.Ra5 e4 31.Re5-+) 30...Qe6-+ 31.Ba5 Rd4 (31...Kf7!? 32.Qe2-+) 32.Bc3 Rg4 (better 32...Bb5!? 33.Qe1 Re4 34.Qd2-+) 33.f3 Rg6 34.Be5 Kf7 35.Bg3 Qe3 36.Kh1 Re6 37.Bf2 (37.Qc4!? Rae8 38.Re1-+) 37...Qe2-+ 38.Qg1 Rg6 39.Rc6? (better 39.Rc3-+) 39...Rc6 (39...bc6?! 40.Re1 Qa2 41.Ra1-+) 40.Re1 (40.Qb1 Kg6 (40...Qf2?! 41.Qb7 Rc7 42.Qc7 Kg8 43.Qc6=) 41.Qb7 Rac8-+) 40...Qc4 41.Be3 (41.Re5 g6-+) 41...Re8 42.h3 (42.Rd1 b5 43.Rd7 Re7-+) 42...Rce6 (42...Qc3 43.Bf2 Re1 44.Be1-+) 43.Bf2 (43.Rc1 Qh4 44.Bf2-+) 43...Re1 44.Be1 Qc1 45.Qb6 (45.Bb4 Qg1 46.Kg1-+) 45...Re1 46.Kh2 (46.Qg1 Rg1 47.Kh2 f4 48.g3 fg3) 46…Qf4 (46...Qf4 47.g3 Qd2 48.Qf2 Qf2) 0–1. Urbanaites,Elvira (1755) – Khuseinova,Anna (1860), Women Ivanovo Region Championship, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

    10.Bc4 Qe4 11.Ne2 Bb8 12.0-0 Nge7 13.Bd3 Qh4 14.g3 Qf6 15.h4 h6 16.Nf4 0-0?? (better 16...g6-/+) 17.Nh5+- (17.Nh5 Qg6 18.Bg6 Ng6 19.Qf3+-) 1-0. Bugayev,Vladimir - Lopez Rueda,Juan Pablo (1880), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    10.Nf3?? Nge7 11.Bc4 Qe4 12.Be3 Bb8 13.0-0 0-0 14.Ng5 Qg6 15.Bd3 f5 16.f4 h6 17.Nf3 b6 18.Ne5 Ne5 19.fe5 Bb7 20.Qd2 Nd5 21.Rf2 Rd8 22.h3 Ne3 23.Qe3 Qg5 24.Qe2 a6=+ 25.Na3 b5 26.Nc2 ½–½. Roncak,Vaclav – Johansson,An (2005), South Bohemia Open, Cesky Krumlov CZE, 2008.

    10.Nf3?? Nge7 11.Bc4 Qe4 12.Kf1 Bb8 13.Bd3 Qd5 14.c4 Qd8 15.h4 Bd7 16.Ba3 a6 17.Nd6 Bd6 18.Bd6 b5 19.Qe2 bc4 20.Bc4 a5 21.d5 0-0?? (better is 21...ed5 22.Be7 Qe7 23.Bd5 Rb8-/+) 22.dc6+/- Bc6 23.Rd1 Re8 24.Ng5 Bd5?? (24...Nd5 25.Qh5 Qd6 26.Qf7 Kh8+-) 25.Bd5 Nd5 26.Ba3 h6+= 27.Ne4 Qb6 28.Bc5 Qb3 29.Rh3 Qb8 30.Rg3 a4? 31.Qc2?? Qb5 32.Kg1 Nf4?? 33.Nf6 (33.Nf6 Kh8 34.Qh7) 1–0. Vallejo Nuno,Jorge (2000) – Vargas Huamani,Juan Carlos, Madrid Anticrisis op, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

    10.Qg4+- Nd4 11.Nd6 Qd6 12.cd4 Ne7 13.Qg7 Rg8 +-.

    10.Qg4 Nce7 11.Qg7 Ng6 12.Bd3 N8e7 13.Ba3 (13.Ra7?! Ra7 14.Na7 Bd7+=) 13...Bf4 14.Ne2 Qg2 15.Rg1 Qh2 16.Be4 Qh4? (better is 16...Bd7!? 17.Rh1 Rg8+=) 17.Be7+- Ke7 18.Bg6 (18.Nf4?! Nf4 19.Qe5 Ng6 20.Qc7 Kf6+=) 18...hg6 19.Nf4 Qf4 20.Qh8 Qe4 21.Kd2 Bd7?? (better is 21...Qf4 22.Kd1 Qf3 23.Kc1 Qf2=) 22.Qa8+- Bb5 23.Kc1 (23.Ra7?! Qd3 24.Kc1 Qc3 25.Kb1 Bd3 26.Ka2 Bc4 27.Kb1 Bd3 28.Ka2 Bc4 29.Kb1 Bd3=) 23...Bd3 24.Rd1 Be2 25.Ra7 Qf4 26.Rd2 Bf3 27.Rb7 Kf6 28.Qh8 Kg5 29.Rb5 f5 30.Qe5 1–0. Ziolkowski,Dawid (2245) – Baturo,Tomasz (2050), Chojnice op Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

    10.Qg4 Nge7 11.Ba3 Bb8+= 12.Qg7 Qe4 13.Be2 (better is 13.Ne2 Rg8 14.Qh6=) 13...Ng6?? (better is 13...Rg8 14.Qf6 Qg2-/+) 14.Kf1 (14.Nf3 Nd8 15.Ne5 Qg2+-) 14...Nce7 15.Re1 (15.Nf3 Qf4 16.Bd6 Bd6 17.g3+/-) 15...Qc6 16.Nf3 Rg8 17.Qh7 a6 18.d5 Qd5 (18...ed5? 19.Nfd4 Rh8 20.Qg7+-) 19.c4 Qc6 20.Nfd4 (20.Ng5!? Rf8 21.Nd4=) 20...Qd7 21.c5 Be5?? (better is 21...Nf8 22.Qe4 ab5 23.Bb5 Ra3 24.Bd7 Nd7=) 22.Nd6= Bd6 23.cd6 Rh8 24.Qg7 Rg8 25.Qf6 Nd5 26.Qf3 Ngf4 27.g3 Ne2 28.Re2 Nb6?? 29.Qb3 Na4 30.Rc2 b5? 31.Rc7 Qd8 32.Re7 Kf8 33.d7 Kg7 34.Ne6 (34.Ne6 Kg6 35.Qd3 Kh6 36.Bc1 Rg5 37.Bg5 Kh5 38.Qf3 Kg6 39.Qf7; 34.Rf7 Kh8 35.Qe6 Rg6 36.Qe5 Kg8 37.Qe8 Qe8 38.de8Q) 1–0. Damia,Angelo (2095) – Cardani,Roberto (1900), Robecchetto op, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

    10.Qg4 Nf6?? 11.Qg7+- Rg8 12.Qf6 Qe4 13.Ne2 Be7 (13...Bb8 14.Ba3+-) 14.Qf4 (better is 14.Nc7!? Kd7 15.Qf7 Rf8 16.Qf8 Bf8 17.Na8 b6+-) 14...Qf4 15.Bf4 Bd8 16.g3 a5 17.Bg2 Ke7 18.0-0 f6 19.Bd6 Kd7 20.d5 ed5 21.Bd5 Rg5 22.Nf4 1–0. Kovachev,Daniel Jakobsen (1975) – Reppen,Ellisiv (1715), NOR–ch U20 Bergen, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

    10.Qg4 Kf8? 11.Nd6 1–0. Kramps,Rene (2060) – Funke,Reinhard (1935), Oberliga NRW, 1989. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    10.Qg4 Kf8? 11.Nd6 Qd6 12.Ba3 Nf6 (12...Qa3 13.Ra3 e5+-) 13.Bd6 Kg8 14.Qf3 h6 15.Bd3 Nd5 1-0. Borovicka,B (1960) - Shtompel,Yuriy (1800), 30th Czech Open C, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    10.Qg4 g6?

    11.Bc4!!+- Qc4 12.Nd6.

    11.Bc4!!+- Nf6 12.Bd5 Ng4 13.Bc6 bc6 14.Nd6 Kd7 15.Nc8 Rhc8 16.Nf3 c5 17.h3 Nf6 18.Ne5 Ke8 19.0-0 cd4 20.cd4 Nd5 21.Be3 a5 22.Rfc1 Rcb8 23.Rcb1 (23.Rc4 Rb3+-) 23...Rc8? (better is 23...Rb1 24.Rb1 a4+/-) 24.Rb7+- a4 25.Rf7 a3 (25...Rc7 26.Rc7 Nc7+-) 26.Rh7 a2 27.Rh8 (27.Rh8 Ke7 28.Bg5 Kd6 29.Rc8 Rc8 30.Ra2+-) 1–0. Waters,Andrew – Shapland,Roy, Weymouth op, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6)

    11.Bc4!!+- Nf6 12.Bd5 Ng4 13.Bc6 bc6 14.Nd6 Kd7 15.Nf7 Rf8 16.Ne5 Ne5 17.de5 c5 18.Be3 Bb7 19.Nf3 (19.Bc5?! Rfc8 20.0-0-0 Ke8+/-) 19...Rf5 20.Rd1 Ke8 21.Bc5 Bf3 22.gf3 Re5 23.Be3 a5 24.Kd2 a4 25.Kc2 a3 26.Rhe1 Rb5 27.Rb1 Rf5 28.c4 a2 29.Ra1 Ra4 (29...Kd7 30.c5+-) 30.Kb3 Rfa5 31.Bc5! Kf7 (31...Rc5 32.Re6 (32.Ka4)) 32.Re2 h5 33.Bb4 Ra7 34.Rea2 (34.Rea2 Ra2 35.Ra2 Ra2 36.Ka2+-) 1–0. Bursa,Renata (2115) – Skrzypczak,Anna (1995), Poland–chT2 Wysowa, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6)

    11.Bc4!! Nf6 12.Bd5 Ng4 13.Bc6 bc6 14.Nd6 Ke7 15.Ba3 Kd7 (15...Kf6 16.h3 Nh6 17.Ne4 Kg7 18.Be7+-) 16.Nf7 Nf2 (16...Rg8+-) 17.Kf2 (17.Kf2 Rg8 18.Nf3+-) 1–0. Helin,Mikael (1875) – Dufour,Jacques (1660), Stockholm SWE, Elo Challenge, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3= Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5+/- Bd6?)

    11.Nd6?! Qd6 12.Bb5 Nf6 =.

    9.Nb5 Qd8

    10.Nf3 Bd6 (10...Nf6 11.Bd3+=) 11.Bc4 Nge7 12.0-0 0-0 13.Qc2 Nd5?? (better is 13...Bb8=) 14.Nd6+/- Qd6 15.Ba3 Qc7? (better is 15...Qd8!? 16.Bf8 Qf8+/-) 16.Bf8 Kf8 17.Qh7 Nf6 (17...Nc3 18.Ra3 b5 19.Rc3 bc4 20.Rfc1+-) 18.Qh8 Ng8 19.Ng5 Nce7 20.Nh7 Ke8 21.Bb5 (21.Bb5 Bd7 22.Bd7 Kd7 23.Qg7+-) 1–0. Bey,Jerry – De Bruijne,Arian (1940), Leiden NED, 7th LCT Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6)

    10.Bf4 e5

    11.de5 Qd1? 12.Rd1+- Ke7 13.Nc7 Be6?? 14.Na8 Nh6 15.Bb5 Nf5 16.Bc6 bc6 17.Nf3 h6 18.h4 g6 19.Nc7 Bb3 20.Rd2 Bg7 21.Nd4 Ba4 22.Nf5 gf5 23.Rh3 Rc8 24.Na6 Bb5 25.Nc5 a5 26.Rd7 Kf8 27.e6 Bc4 28.Bd6 Ke8 29.ef7 Bf7 30.Re3 (30.Re3 Be5 31.Re5 Be6 32.Re6) 1–0. gregorgysi (2220) – lopesq (2130), net–chess.com, 2010.

    11.de5 Be6 12.Qa4 Bc5 13.Nf3 Nge7 14.Nd6 Bd6 15.ed6 Nd5 16.Bd3 Nc3 17.Qa3 Nd5 18.Bg3 0-0 19.0-0 Qd7 20.Bb5 f6 21.Nd4 Bf7 22.Rfc1 Rfc8 23.Rc5 Nb6 24.Rac1 Bd5 25.h3 a6 26.Bc6 bc6 27.Qa5 Rab8 28.Qa6 Qe8 29.d7 Nd7+= 30.R5c3 Qe4 31.Qf1? Qd4-+ 32.Bb8 Rb8 33.Kh1 Rb2 34.Re3 Qd2 35.Kg1 Ne5 36.Rd1 Qb4 37.Qa6 Qb7 38.Qa5 h6 39.Qd8 Kh7 40.Rde1 Rb1 41.Rb1 Qb1 42.Kh2 Qf1 43.Rg3 Qf2 44.Qd6 Bg2! (44...Bg2 45.Qc5 Qc5 46.Rg2 Nf3 47.Kg3 Nh4 48.Rb2 Qe3 49.Kh2 Qe5 50.Kg1 Qb2 51.Kf1 Qg2 52.Ke1 Nf3 53.Kd1 Qd2) 0–1. Demikhov,Vladislav (2145) – Khoroshilov,Nikita, Voronezh op–B, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6)

    11.Bg3 a6 12.Nf3 (12.de5!? Qd1 13.Kd1=) 12...Bg4 13.Qa4 Bd7 14.Qa2 (14.de5 Na7 15.e6 fe6 (worse is 15...Bb5 16.Bb5 Nb5 17.c4+=; 15...ab5 16.ed7 Qd7 17.Bb5 Qb5 18.Qb5 Nb5 19.Ra8 Ke7 20.Kd2+-) 16.Nc7 Qc7 17.Bc7 Ba4 18.Ra4 Rc8+=; worse is 14.Ne5 Ne5 15.Be5 Rc8-+) 14...Rc8 15.d5 Nb8 (15...ab5 16.dc6 bc6 17.Be5 Be6+=) 16.Na3?? (better is 16.Na7!? Rc3 17.Qb2 Rf3 18.Qe5 Be6 19.gf3=) 16...f6 17.Be2? (17.c4 Bb4 18.Nd2 h5-/+) 17...Qa5 18.0-0 Rc3 19.Qb2? Ra3 20.Ra3? Qa3 21.Qb7 Bd6 22.Rb1 Ne7 23.Nd2 0-0 24.Nc4 Qc5 25.Nd6 Qd6 26.Bc4 Bb5! 27.Ba2 Nd7 28.f3 Rc8 29.Be1 Nc5 30.Qa7 Nd3 31.Bd2 Kf8 32.Qb7 Qc5 (32...Qc5 33.Kh1 Nf2 34.Kg1 Nh3 35.Kh1 Qg1 36.Rg1 Nf2) 0–1. Klings,Peter (2205) – Fuchs,Heinz (2290), BL2–Sued, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Qd8)

    11.Bg3 Bd6 12.Bc4 Nge7 (12...Bb8 13.Qe2 f6 14.f4 a6 15.fe5 fe5 16.Be5 Ne5 17.de5 Ne7 18.Nf3+=) 13.de5 (13.Nf3 Bb8 14.Ne5 Ne5 15.de5 Qd1 16.Rd1 Nf5 17.Nd6 Bd6 18.ed6+/-; 13.Nd6 Qd6 14.Nf3 Ng6 15.Ng5 Nd8 16.de5 Qd1 17.Rd1 Ke7 18.h4+=; 13.Qe2 f6 14.Rd1 a6 15.Nd6 Qd6 16.de5 Qa3 17.Qd2 Qc5 18.ef6=) 13...Bb8 (13...Be5 14.Qd8 Kd8 15.Rd1 Bd7 16.f4 Bf6 17.Bf7 a6 18.Be6=) 14.Nd6 (14.Qd8 Nd8 15.Nd6 Bd6 16.ed6 Nf5 17.Nf3 Be6 18.Bb5+=) 14...Bd6 15.ed6 Nf5 16.Qe2 Kf8 (16...Kd7 17.Qf3 Qf6 18.Rd1+=) 17.Rd1 Bd7 18.Nf3 (18.Qf3+/-) 18...Qe8 19.0-0 Qe2 20.Be2 f6 21.Bc4 g5 22.Nd2 Kg7 23.Ne4 b6 24.Rfe1 Rhe8 25.f3 Ng3 26.hg3 h6 27.g4 Rac8 28.Ba6 Rcd8 29.c4 Re5 30.Kf2 Nb4 31.Bb7 Rb8 32.Bd5 Rc8 33.Ng3 Re1 34.Ke1 Nd5 35.cd5 Kf7 36.Kf1 Rc5 37.Ne4 Ra5 (better is 37...Rc2!?+=) 38.Rc1= Rd5 39.Rc7 Ke6 40.Ra7 f5 41.gf5 Rf5 42.Rb7 ½–½. Gora,Jan (1845) – Duda,Jan_Krzysztof (2175), World Junior U20 Championship Czarna Poland, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    11.Bg3 Bd6 12.Nf3 Bg4 13.Bc4 a6 14.Nd6 Qd6 15.0-0 Nf6 16.Qe2 (worse is 16.de5 Qd1 17.Rfd1 Ne4+=) 16...Qe7 17.d5 Nb8 18.d6 Qd6 19.Bf7 Kf8 (19...Kf7 20.Ne5 Double attack) 20.Ba2 Nc6 21.Qc4 Qe7? (better is 21...Bh5=) 22.Ne5!+- Ne5 23.Be5 Bh5 24.Rfe1 Re8 (24...Bf7 25.Bd6!! Bc4 26.Be7 Kf7 27.Bc4 Kg6 28.Bf6 gf6+-) 25.Qf4 Rd8 26.Bc7 Qd7 (26...Be2 27.Bd8 Qd8 28.Re2 g5+-) 27.Qb4 (27.Qb4 Qd6 28.Bd6 Rd6 29.Qd6) 1–0. Shapovalenko,Maksim – Kretov,Evgeny (2145), Voronezh op–B, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Qd8)

    8.Na3 Bf5

    9.Nb5 Qd8 10.d5 Ne5 11.Bf4 (11.Na7?! Nf6 12.f4 Ned7=+) 11...f6 12.Nd4 (12.Be5 fe5 13.Nf3 Qb8+/-) 12...Bd7 (12...Qd5 13.Nf5 Qe4 14.Ne3 Qf4=) 13.Be5+/- fe5 14.Qh5 g6 15.Qe5 Nf6 16.Ne6 (16.Bb5 Kf7 17.Ngf3 Bb5 18.Nb5 Bh6+/-) 16...Be6+= 17.de6 (worse 17.Qe6 Qd5 18.Bc4 Qe6 (18...Qg2 19.Bb5 Kd8 20.Rd1 Kc7 21.Qe5 Kb6 22.Qd4 Kc7 23.Qc5 Qc6 24.Bc6 bc6 25.Qa5 Kb7 26.Rb1 Kc8 27.Qa6 Kd7 28.Qb7 Kd6 29.Qa8+-) 19.Be6 Ne4-/+) 17...Bg7 18.Bb5 (18.Qb5!? Kf8 19.Qb7+=) 18...Kf8= 19.Ne2 Qd5? (better 19...Qd6 20.Qd6 ed6=) 20.Ra7!+- Rd8 (20...Ra7 21.Qb8 Mate attack) 21.Qd5 Nd5 (21...Rd5?? 22.Ra8 Rd8 23.Rd8 Ne8 24.Re8) 22.0-0 (22.c4!? Nc3 23.Bd7 b6+-) 22...Nc3+/- 23.Nc3 Bc3 24.Rb7 Bf6 25.Bd7 Kg7 26.g3 Rb8 27.Rfb1 Rb7 28.Rb7 Ra8 29.h4 h5 (29...Bd4 30.Rb4 Bc3 31.Rb3+/-) 30.Kg2 Ra3 (30...Be5 31.f4 Ra2 32.Kh3+/-) 31.Rb4 (31.Bc6 Ra2+/-) 31...Ra5 32.Be8 Ra3 33.Bf7 Ra8 34.Rc4 Rd8 35.f3 Kh6 36.Kh3 g5? (better 36...Rd3!? 37.f4 Bd4+/-) 37.hg5+- Bg5 38.Rc5 Rd3 39.Rf5 h4 40.gh4 Bf6 41.Rf4 (better 41.Kg4 Bc3 42.f4+-) 41...Rd6?? (better 41...Be5 42.Re4 Rf3 43.Kg4 Rg3 44.Kf5 Bf6+/-) 42.Rf6!+- ef6 (42...Kh7+-) 43.e7 (43.e7 Rd1 44.e8Q Rh1 45.Kg2 Rh4 46.Qg8 Rh2 47.Kh2 f5 48.Qg6) 1-0. Williams,Si1 (2460) - Heinrich,J (1915), Bunratty, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    9.Nc4 a6 10.Ne3 Qd7 11.Qb3 Nh6 12.Nf3 g6 13.Be2 Bg7 14.h4 0-0 15.Nf5 Nf5 (worse is 15...Qf5 16.Qb7 Rfc8 17.h5+/- (17.Ra6? Rab8 18.Qc6 Rc6 19.Rc6 Qc2-+; worse is 17.Ba6 Rab8 18.Qc8 Rc8 19.Bc8 Qc8-/+)) 16.h5 e5 17.d5 Nce7 18.g4 Nd6 19.Ba3 Rfd8 20.hg6 hg6 (worse is 20...fg6 21.Ng5 e4 22.Rd1+=) 21.Rd1 b5 22.Ng5 Rac8 23.Bd6 Qd6 24.Ne4 Qb6 25.d6 Nc6 26.Bc4 Rd7 27.Bd5 (better is 27.Be6 Nb8 28.Qd5+/-) 27...Na5+= 28.Qa2 Nc4 29.Bc4 Rc4 (29...bc4?! 30.Qe2=) 30.f3 f5 31.Nd2? (better is 31.gf5 gf5 32.Nf2-+) 31...Qe3 32.Kf1 Rd6 33.Kg2 Qe2 34.Kg3 f4 35.Kh4 Bf6 36.g5 Qf2 (36...Qf2 37.Kh3 Qg3) 0–1. Gruentaler,Gerhard (2045) – Kiener,Georg (2030), Regionalliga SO, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

    9.Nc4 Rd8 10.Ne3+- Qe4 11.Bc4 (11.Ne2 Be6 12.f3 Qh4 13.g3+-) 11...e6? (better 11...Nf6!?+=) 12.Ne2+- Bd6? (12...Nge7 13.Qb3 Rd7 14.Ng3+-) 13.Ng3 (better 13.h4 Nd4 14.Nd4 Ne7+-) 13...Bg3? (better 13...Qh4 14.Nef5 ef5 15.Qe2 Nge7 16.Nf5 Qf6 17.Nd6 Rd6+-) 14.hg3 (14.fg3?! a6 15.Be2 Nge7+-) 14...Ne5 (14...Nd4 15.cd4 Nf6 16.Qa4 Kf8 17.Qa7 Qc6+-) 15.Bb5 Kf8 (15...Nd7 16.Rh4 a6 17.Re4 Be4 18.Qg4+-) 16.f3 Nd3 (16...Bg4 17.fe4 Bd1 18.Ra7 Ng6 19.Ba3 N8e7 20.Kd1 f6+-) 17.Kf1 (17.Kf1 Bg4 18.Ng4 Qe1 19.Qe1 Ne1 20.Ra7+-) 1–0. Drozniak,Stanislaw – Vahala,Tomas, Orlova Open, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

    9.Nc4 Qe4 10.Ne3 e6 11.Ne2 Bd6 12.Ng3+/- Qh4 13.Ngf5 ef5 14.Nf5 Qe4 15.Qe2 Qe2 16.Be2 Bf8 17.Bf4 Rd8 18.0-0 g6 19.Ne3 Nf6 20.Bf3+- a6 21.Rfb1 Rd7 22.Rb7!! Nd4 (22...Rb7 23.Bc6) 1–0. Vea,O (2140) – Wilsbeck,J (1915), Open NOR–ch, Oslo NOR, 2006.

    9.Nc4 Nf6 10.Ne3 Qd7 (10...Qe4 11.Ne2 Bd7 12.Ng3+=) 11.d5+= Ne5 12.Qd4 Neg4 13.Ra7 (13.Nf5!? Qf5 14.Bb5 Kd8 15.Be2+=) 13...Ra7= 14.Qa7 Ne3 15.Be3 Nd5 16.Qa8 (16.Qa5!? Qd8 17.Qb5 Qd7 18.Qa5=) 16...Qc8-/+ 17.Bb5 Kd8 18.Qa5 Qc7 19.Qa8 Qc8 (19...Bc8 20.Qa7-/+) 20.Qc8 (20.Qa5 Qc7 21.Qa8 Bc8 22.Qa2-/+) 20...Kc8-/+ 21.Bd4 (21.Kd2 Ne3 22.fe3 g6-/+) 21...f6 22.c4 (22.Bc4 Nf4 23.g3 Nd3 24.Kd2 Nb2-+) 22...Nb4 (22...Nf4!? 23.f3 e5 24.Bb6-+) 23.Bb6 e5 24.Nf3 (24.Kd2 Nd3-+) 24...Bc5! 25.Bc5 Nd3 26.Ke2 Nc5 27.Ra1 Rd8 (27...Kc7 28.g3-+) 28.Ne1 (28.Ra8!? Kc7 29.Rd8 Kd8 30.Ke3-+) 28...Kc7 29.f3 (29.Ke3 Nb3 30.Ra3 Nd4-+) 29...Nb3 30.Ra3 (30.Ra4 Rd2 31.Ke3 Rd1-+) 30...Nd4 (30...Rd2 31.Kf1 Nd4 32.Be8-+) 31.Ke3 Nb5 32.cb5 Kb6 (32...Rd1 33.g4 Bd7 34.Nd3-+) 33.g4 (33.f4 Rd5-+) 33...Bg6 34.h4 h6 35.h5 Bh7 36.Rc3 Rd7 (36...Kb5?! 37.Rc7 b6 38.Rg7-/+) 37.f4 ef4 38.Kf4 Kb5 39.Nf3 (39.Nc2 Rd2 40.Ne3 Rd4 41.Kf3 Rd7-+) 39...Kb4 40.Rc8 b5 41.Ke3 Rd3 42.Kf4 Rc3 43.Rb8?! (43.Rh8 Rc4 44.Ke3-+) 43...Rc4 44.Kg3 Rc7 (44...Bd3 45.Nh2-+) 45.Nd4 Bd3 46.Kf4 Bc4 47.Ke3 (47.Ke4 Kc5 48.Nf5 b4-+) 47...Rc5 48.Rb7 (48.Ra8 Re5 49.Kd2 Rg5-+) 48...Kc3 49.Nb5 Rb5 (better is 49...Bb5!? 50.Rg7 Bd3 51.Rg8-+) 50.Rg7 Rg5?? (better is 50...Re5 51.Kf4 Kd4-+) 51.Rh7-/+ Rg4 (51...Re5 52.Kf4 Re1 53.Rh6 Rf1 54.Ke3+=) 52.Rh6+= f5 53.Rf6 Re4 54.Kf2 0–1. Damia,Angelo (2210) – Georgiev,Todor (1900), Vidin BUL, 5th Balkan Amateur Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

    9.Nc4 Bg6 10.Ne3 Qd8 11.d5 Nb8 12.h4 h6 13.Nf3 Nd7 14.Bb5 Ngf6 15.Ne5 Bh7 16.Qf3+/- Qc7 17.N3c4 a6 18.0-0 Rc8 19.Bd7 Nd7 20.Qf7 Kd8 21.Nd7 Kd7 22.Qe6 Kd8 23.Nb6 Bf5+/- 24.Qe3 Qc3+= 25.Qf4 Qa1? 26.Qf5+- Rc7 27.Bf4 Qc3 28.Qb1 e5?? 29.de6+- Rc6 30.Rd1 Bd6 31.e7! (31.e7 Ke7 32.Nd5 Kf7 33.Qf5 Qf6 34.Nf6 gf6 35.Bd6+-) 1–0. Puntier,W (2295) – Yanayt,E (2250), New England Masters, Pawtucket USA, 2008.

    9.Nc4 Bg6 10.Ne3+/- Qe4 11.Qb3 e6 (11...Nf6 12.d5 Ne5 13.Qb7+-) 12.Qb7 Rb8 13.Qc7 Nge7 (13...Rb6 14.Nf3 Nd8 15.Qa7+-) 14.f3 Qh4 15.g3 Qf6?? (better is 15...Qh5 16.Nc4 Rd8+-) 16.Nc4 (better is 16.Ng4 Qf5 17.Ne5 Qe5 18.de5+-) 16...Rd8 17.Nd6 (better is 17.Ra6!? Qf5 18.Rc6 Nd5+-) 17...Rd6 18.Qd6 e5 (18...Qf5 19.Bc4+-) 19.de5 (better is 19.Qc7 ed4 20.Bb5 Qe6 21.Kf2+-) 19...Qd6?? (19...Qe5 20.Qe5 Ne5 21.Bb5 N7c6 22.Ra7 Kd8 23.Bc6 Nc6 24.Ra8 Kc7+-) 20.ed6 Nc8 21.Bf4 Bd6 22.Bb5 Kd7 23.Bc6 Kc6 24.Ra6 Kc5 25.Bd6 Nd6 26.Ra7 Re8 27.Kf2+- Nb5 28.Ra1 Nc3+/- 29.g4 Rb8 30.h4 Kd4 31.Kg3 Rb2 32.Rh2+- Rh2 33.Kh2 h5 34.Kg3 Bd3 35.Ra7 Bc4 36.gh5 Nb5 37.Ra8 (37.Ra8 Nd6 38.Kf4+-) 1–0. Makarkin,Zhan (2080) – Puchko,Nikolay (1845), Voronezh RUS, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

    9.Nf3 e6 10.Nb5 Bd6+=.

    9.Nf3 e6 10.Nb5 Kd8!?=.

    9.Nf3 e6 10.Nb5 Qd8 11.Bf4 Rc8 12.Na7 Na7 13.Ra7 Be7 14.Qa4 Kf8 15.Ne5 g5 16.Bd2 Kg7 17.Be2 f6 18.Nd7 (18.Nc4!?+/-) 18...Be4= 19.Nf6?? (better is 19.Bf3 Bf3 20.gf3=) 19...Bf6 20.Rb7?? (better is 20.0-0-/+) 20…Rc7 (20...Rc7 21.Rc7 Qc7-/+) 0–1. Lamothe – Caiafas,Th, Dubai, 1986. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

    9.Nf3 e6 10.Nb5 Qd8 11.Bf4+= Rc8 12.Na7 Na7 13.Ra7 Be7 14.Qa4 Kf8 15.Ne5 g5 16.Bd2 Kg7 17.Be2 Bf6 (17...f6 18.Nc4+/-) 18.Nd7 Be4 19.Nf6 Qf6 20.0-0 Qg6 21.c4 Nf6 22.f3 (better is 22.Qb5!?+/-) 22...Bd3= 23.Qd1 Rc4 24.Rb7 Rd4 25.Bc3 Rd5 26.Bd3 Qd3 (26...Rd3?? 27.Bf6 Qf6 28.Qd3+-) 27.Qa1 e5 (27...Qg6!?+=) 28.Re7 Re8 29.Re8 Qe3 30.Kh1 Ne8 31.Re1 Qc5 32.Be5 f6 33.Bb2 Qb5 34.Re7 Kg6 35.h3 Rd2 36.Qb1 Qf5= 37.Qf5 Kf5 38.Bc3 Rd3 39.Be1 Nd6 40.Rh7 Rd1 41.Re7 Nc4 42.Kh2 Rd3 43.Kg3 Ne5 44.Kf2 Ra3 45.Ke2 Ra2 46.Bd2 Kg6 47.Rc7 Kf5 48.Re7 Kg6 49.Rc7 Kf5 50.Rc5 Ke6 51.Ra5?? Rd2!-+ 52.Kd2 Nc4 53.Kc3 Na5 54.Kd4 Nc6 55.Ke3 Ke5 56.h4 gh4 57.g4 Ne7 58.f4 Ke6 59.Kf3 f5 60.gf5 Kf5 61.Kg2 Kf4 62.Kh3 Nf5 63.Kh2 Kg4 64.Kg2 h3 65.Kh2 Nd6 66.Kh1-+ Kg3 67.Kg1 Ne4 (67...Ne4 68.Kf1 h2 69.Ke2 h1Q 70.Ke3 Qf3 71.Kd4 Kf4 72.Kd5 Kf5 73.Kc6 Qc3 74.Kb6 Qc5 75.Kb7 Nd6 76.Ka6 Qc6 77.Ka5 Qb5) 0–1. Lamothe,Jean – Caiafas,Theophilus, Dubai ol (Men), 1986. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

    9.Nf3 e6 10.Bc4 Qe4= 11.Be3 Nf6 12.0-0 Be7 13.Re1 (13.Ng5 Qh4 14.Qb3 Rb8+=) 13...0-0=+ 14.h3 Na5 15.Bd2 (15.Bg5 Qc6 16.Ne5 Qc7=+) 15...Qc6=+ 16.Ne5 Qc8 17.Bf1 (17.g4!? Nc4 18.Nac4=+) 17...Ne4-/+ 18.g4 (18.Ra2!?-/+) 18...Nd2-+ (18...Nc3? 19.Bc3 Qc3 20.gf5 Ba3 21.Re3+-) 19.Qd2 (19.gf5 Nf1 (19...Qc3 20.Nb5 Qb4 21.Ra4+=) 20.Rf1 ef5-+) 19...Nb3 20.Qb2 (20.Qe3 Na1 21.Ra1 f6 22.gf5 fe5 23.fe6 Ba3 (23...Qe6?? 24.Bc4 Qf7 25.Bf7 Rf7 26.Nc4+-) 24.Ra3 Qe6 25.de5 Rf5-+) 20...Na1 21.gf5 (21.Qa1 Bg6-+) 21...Ba3 22.Qa3?? (22.Qa1 Bd6 23.fe6 fe6 24.Bc4-+) 22...Nc2 23.Qc1 Ne1 24.f6 (24.fe6 f6 25.e7 Rf7 26.Nf7 Nf3 (26...Kf7?! 27.Qe1 Qe6 28.Qb1-+) 27.Kg2 Nh4 28.Kg3 Nf5 29.Kg2 Kf7-+) 24...Qd8 (better 24...gf6 25.Ng4 Kh8 26.Qe1 Rg8-+) 25.Ng4 (25.fg7 Kg7 26.Qe1 Qg5 27.Bg2-+) 25...h5 (better 25...Nf3!? 26.Kh1 h5 27.fg7 hg4 28.Qh6-+) 26.fg7 (26.Nh2 Qf6 27.Qe1-+) 26...hg4 (better 26...Nf3 27.Kg2 Nh4 28.Kh2 Re8-+) 27.Qh6 (27.gf8Q Kf8 28.Qe1 gh3 29.Qe3-+) 27…Qh4! (27...Qh4 28.gf8B Nf3 29.Kg2 Rf8 30.Qh4 Nh4 31.Kg3 Nf5 32.Kf4 gh3 33.Bh3 Rc8 34.Bf5 ef5-+) 0–1. Franca,Willian Bento (2060) – Umetsubo,Cesar Hidemitsu (2305), Florianopolis Brazil, Zonal SC, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

    9.Nf3 Nf6 10.Bc4 (10.Nb5 Rc8 11.c4 Qe4 12.Be2 a6=+) 10...Qe4 11.Be2 e6 12.0-0 (12.Nb5 Rc8 13.Na7 Ra8=) 12...Be7 13.Re1 Qd5 (13...Ba3 14.Ra3 Qc2 15.Qc2 Bc2 16.Bg5=+) 14.Nb5 Qd8 15.Bf4 (15.Nh4 Be4 16.f3 Bg6 17.Ng6 hg6=+) 15...0-0-/+ 16.Ne5 Nd5 17.Qd2 (17.Bg3 a6 18.c4 Ndb4 19.Nc6 bc6-/+) 17...a6 18.Na3 (18.Nc6 bc6 19.Na3 c5-/+) 18...Nf4 19.Qf4 Ne5 20.Qe5 b5 21.Rec1 Rc8 22.Bf3 (better 22.Nb1!?-+) 22...Bg5 23.Rd1 Rc3 24.Nb1 Rd3 25.Rd3 Bd3 26.Qe1 Qd4 27.Nc3 (27.Ra6 Rb8-+) 27...Rc8 (better 27...Qb4-+) 28.Na2 (28.Ra6 h6 29.Na2-+) 28...Bd2! 29.Qd2 (29.Qd1-+) 29...Qa1 30.Bd1 Bc2 31.Nc1 (31.Nb4 Bd1 32.h4 a5-+) 31...Bd1 32.Qd7 Qc1 (32...Qc1 33.Qc8 Qc8-+) 0–1. Jovanovic,Miroslav T (1900) – Ivic,Velimir (2230), Pojedinacno Prvenstvo Opstine – Belegis, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

    9.Nb5 Rc8

    10.Na7 Ra8 11.Nb5 Rc8 12.Be2 (12.Nf3 Bg4+=) 12...e5 (better is 12...Qg2!? 13.Bf3 Qg6+=) 13.Ra8+= Qd8 14.Rc8 Bc8 15.d5 Nb8 16.d6 Na6 17.Bc4 Nf6 18.Nf3 Bg4?? (better is 18...Ng4+-) 19.Ne5 (19.Ne5 Be6 20.Be6 fe6 21.Qb3+-) 1–0. Orfali,Marcelo Rafael (2040) – Siegmund,Rainer (2145), Arvier op 2nd, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

    10.Be3 a6 11.c4 Qd7 -/+.

    10.Be3 e6 11.Na7= Na7 12.Ra7 Ne7 (12...Rc3 13.Qa4 Kd8 14.Ra8 Rc8 15.Rc8 Kc8 16.Qa8 Kd7 17.Qf8 Qa5 18.Ke2 Qb5 19.Kf3 Qf1 20.Kg3+=) 13.c4 Qe4 14.Qb3 Nc6 15.f3 Bb4 16.Kf2 Qh4 17.g3 Qe7 18.Ra4 0-0 19.d5 ed5 20.cd5 Nd4?? (better is 20...Ne5 21.Qb4 Rc2 22.Bd2 Qb4 23.Rb4 Rd2 24.Ke3 Rd5-+) 21.Qb4+- (21.Bd4 Be1 22.Kg2 Rc2 23.Ne2 Re2 24.Kg1 Rd2-/+) 21...Qb4 22.Rb4 Nc2 23.Rb7 Rc3 24.Bd2 Ra3 25.g4 Bd3 26.Rb2 Rc8 27.d6 Nd4 28.Bb4 Rc1 29.Bd3 Rd3 30.Ra2 h5 31.gh5 (31.gh5 Rc2 32.Rc2 Nc2 33.Bc5+-) 1–0. Twitchell,Neville (1980) – Hill,Maurice (1870), BCF–chT3, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5 9.Nb5 Rc8)

    10.f4 a6-/+ 11.Na3 Qe4 12.Qe2 Nf6 13.Qe4 Be4 14.Bb2 e6 15.Ne2 Be7 16.Ng3 Bg6 17.Be2 h5 18.0-0 (18.f5 ef5 19.0-0 Ba3 20.Ba3 Ne4 21.Nf5 Bf5 22.Rf5 Nc3-/+) 18...h4 19.Nh1 Nd5 20.Rac1 (20.c4 Ne3 21.Rf2 Be4-+) 20...Na5 21.c4 Ne3 22.Rf3 Nf5 (22...Ba3 23.Ba3 Nec4 24.Bb4-+) 23.Nf2? (better 23.Rh3-+) 23...Bh5 24.Ne4 White prepares the advance c5 (24.c5-+) 24...Bf3 25.gf3 (25.Bf3 Ba3 26.Ba3 Rc4-+ (26...Nd4?! 27.Nd6 Kd7 28.Bg4-+)) 25...0-0 (25...Nb3!? 26.Rd1 Ba3 27.Ba3 Nbd4 28.Nd6 Nd6 29.Rd4-+) 26.c5 Rfd8 27.Rd1 Nc6 28.Nc2 Rd7 29.Bc4 (29.Kf2 Rcd8 30.Rb1 Ra8-+ (worse 30...Ncd4 31.Nd4 Nd4 32.Bd4-+)) 29...Rcd8 30.Nd6 (30.Rb1 Rb8-+) 30...Nd6 (better 30...Bd6!? 31.cd6 Rd6 32.Kf2-+) 31.cd6 Bd6 32.f5 ef5 33.Ne3 (33.Bd3 g6 34.Rb1 Bc5-+) 33...Ne7 (33...f4 34.Nd5 Bb8 35.Nb6-+) 34.Kg2 (34.Bd3 Be5! 35.Nc2 g6-+) 34...Bf4 35.Nc2 Nd5 36.Bd5 Rd5 37.Nb4 (37.Kh3 Rb5 38.Ba1 Rb3-+) 37...Rb5 (37...Re5 38.Kf1 Bh2 39.d5-+) 38.Nd3 (38.Bc3 Rc8 39.Be1 Be3-+) 38...Be3 39.Ba1 (39.Bc3 Bd4 40.Nf4 Bf6 41.Rd8 Bd8-+) 39...Bd4 40.Nf4 Bf6 41.Rd8 Bd8 42.Nh5 f6 43.Nf4 Bc7 44.Ng6 (44.Ne6 Be5 45.Be5 fe5-+) 44...Ra5 45.Bd4 Ra2 46.Bf2 (46.Kf1 h3 47.Ne7 Kf7-+) 46…h3! (46...h3 47.Kf1 Bh2 48.Ne7 Kf7 49.Nf5 Be5-+) 0–1. Pade,Joachim (1645) – De Roda Husman,Juan (2250), 21st Rhein–Main–Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5 9.Nb5 Rc8)

    10.Bf4 Qe4 11.Ne2 e5 12.de5 Ne5 13.Be5 Qe5 14.Na7 Rc3 15.f4 Qe3 16.Qa4 Bd7 17.Nb5 Rc8 18.Qd4 Qd4 19.Ned4 Bb4 20.Kf2 Nf6 21.Ra7 (21.Bd3!?-/+) 21...Bc5-+ 22.Rb7 0-0 23.Kf3 (23.Rd7 Nd7 24.Be2 Nf6-+) 23...Rfd8 24.h3? (24.Kg3 Ne4 25.Kf3 Nd2 26.Ke2-+) 24...Be8 25.Kg3 Bd4 (25...Rd4?! 26.Nd4 Bd4 27.Be2 Ne4 28.Kh2-+) 26.Nd4 Rd4 27.Rb3 (27.Be2 Bc6 28.Rbb1 Ne4 29.Kh2 Nc3-+) 27…Nh5 (27...Nh5 28.Kh2 Nf4-+) 0-1. Bressy,Theo (2285) - Sahidi,Samir (2400), Online Olym Top DivB, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    10.Bf4 Qe4 11.Ne2 e5 12.f3 Qd5 13.c4 Bb4 14.Bd2=+ Qc4 15.Nf4 Bd2 16.Qd2 Qb4 17.de5 Qd2=+ 18.Kd2 Rd8 19.Nd6 Kf8 20.Ke3 Bc8 21.Bb5 Nge7 22.Nc8 Rc8=+ 23.Rhd1 g5 24.Nh5 Rg8 25.Rd7 b6 26.Nf6+= Rh8 27.g4 Ne5=+ 28.Rda7 N5c6 29.Rb7 Kg7 ½–½. Tofte,S (1935) – Dragicevic,Draz (2200), Politiken Cup, 2006.

    10.Bf4 Qe4 11.Ne2 Nf6 12.f3 Qc2 13.Ng3 a6-/+ 14.Qc2 Bc2 15.Na3 Bg6 16.Nc4 Nd5 17.Bd2 e6 18.Ne4 Kd7 19.Bd3 Be7 20.0-0 f5 21.Nc5 Bc5 22.dc5 Rb8 23.Rfb1 h6 24.Rb2 Bh5 25.Rab1= Kc7 26.f4 Rhd8 27.Bc2 Be2 28.Bb3 Bc4-+ 29.Bc4 Rd7 30.Be2 Nd8?? 31.Ba6+= Ne7 32.Be3 Nec6 33.Bc4 Kc8 34.Rb6 Ra8 35.h4 Ra4 36.Bb5 Ra3 37.Bd4 Re7 38.Re1+= Ra2 39.Bd3 Rd2=+ 40.Bb1 Nd4 41.cd4 Rd4 42.g3 Rc7 43.Rc1 Rd2 44.Rc3 Rc6 45.Rb4 Ra6 46.Rd3 Rd3-+ 47.Bd3 Ra3 48.Rd4 Rc3 49.Kf2 Rc5 50.Bc4 Kc7 51.Bb3 Rc3 52.Ba4 Nc6 53.Rd2 Ra3 54.Bb5 Ra5 55.Bc4 Nd8 56.Re2 Kd6 57.Rd2 Ke7 58.Rb2 Rc5 59.Bd3 Kd6 60.Ke3 Kc7 61.Kd4 b6 62.Bf1 Nc6 63.Kd3 e5 64.fe5 Ne5 65.Kd4 Nf3 66.Ke3 Rc3 67.Kf4 Nd4 68.Ra2?? Rf3 69.Ke5 Nc6 (69...Nc6 70.Ke6 Rf1-+) 0–1. Forgas Moreno,Y (2105) – Vigoa Apecheche,Yan (2250), 43rd Capablanca Memorial Open, Havana C, 2008.

    10.Bf4 e5 11.de5 Qe4 12.Ne2 (better is 12.Be3!?=) 12...Ne5-/+ 13.Be5 Qe5 14.Na7 Rc3 15.Qd4 Qd4 16.Nd4 Bd7 17.Bb5 Bc5 18.Bd7 Kd7 19.Nab5 Bd4 20.Rd1 Rc4 21.Nd4 Kc8 22.0-0 Ne7 23.Nb5 Rf4 24.g3 Rf6 25.Nd6 Kb8 ½–½. Collette,Benjamin (2165) – Debray,Christopher (2195), Paris Apsap op, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5 9.Nb5 Rc8)

    10.Na7 Na7

    11.Ra7 Rc3 12.Qa4 Kd8 13.Bd2 Rc6 (13...Rb3 14.Ra8 Bc8 15.Qa5 Qa5 16.Ba5 Kd7+/-) 14.Nf3 f6 (better 14...Qe4!? 15.Be2 Qb1 16.Bd1 Qe4 17.Be3 f6+/-) 15.Bb5+- Qe6? (better 15...Qe4 16.Kf1 Bc8+-) 16.Ne5! fe5 17.Ra8 (17.Rb7 ed4 18.Kf1 Bd3 19.Bd3 Ke8+-) 17...Kd7 18.0-0 Nf6 (18...Be4 19.Rf8 Qd5+-) 19.Ba5 Kd6 (19...Qd6 20.Bc4 e6 21.Rd8 Ke7 22.Rd6 Rd6 23.de5 Rd4 24.ef6 gf6 25.Qb4 Kf7 26.Be6 Be6 27.Qd4 Be7+-) 20.Qb4 Kd5 21.Qb3 Kd6 22.de5 Qe5 23.Rd8 (23.Rd8 Bd7 24.Rd1 Qd5 25.Rd7 Kd7 26.Rd5 Nd5 27.Qd5 Ke8 28.Ba4+-) 1-0. Ter_Saakian,Grigorii (2275) - Martynyuk,Elizaveta (2070), St Petersburg RUS, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    11.Ra7 e5 12.de5 Qe5 13.Qe2 Qe2 14.Ne2 Be4 15.Be3 Nf6 16.f3 Bd5 (16...Bc6 17.Ng3+=) 17.Bd4 (17.Kd2 Bd6+=) 17...Bd6= 18.Ng3 0-0 19.Bb5 Bc5 20.Ra1 Bd4 21.cd4 Bc4 22.Bc4 Rc4 23.0-0 Rd4 24.Rfb1 Rd7 25.Ra2 Rfd8 26.Rab2 Rd1 27.Rd1 Rd1 28.Kf2 Rd7 29.Nf5 g6 30.Ne3 Kf8 31.Nc4 Ne8 32.Rb6 Ke7 33.Na5 (33.g4 Rc7 34.Ne3 Kd8=+) 33...Nd6-/+ 34.Nb3 Rc7 35.Nd4 Kd7 36.Rb2 Rc4 37.Rd2 (37.Ke3 Ra4 38.Kd3 Ra3 39.Ke2 h5-/+) 37...Kc7 38.Ke3 (38.Nc2 b5-/+) 38...Rc3 (38...b5 39.g4-/+) 39.Kf4 Rc5 40.Re2 (40.Nc2 Rf5 41.Kg3 Rh5-/+) 40...Kd7 (40...b5 41.g4-/+) 41.Rd2 (41.Ra2 b5-/+) 41...Rd5 42.Nb3 Rd2 43.Nd2 f6 44.h4? (better 44.Ke3!?-/+) 44...Ke6-+ 45.Nb3 (45.Nf1 Kd5-+) 45...Kd5 46.g4 h6 (46...b5 47.Ke3-+) 47.Ke3 (47.Na1 b5 48.Nc2 Kc5-+) 47...f5 (47...Kc4 48.Nd4-+) 48.Kf4? (better 48.Nc1!?-+) 48...fg4 49.fg4 b5 50.Ke3 g5 51.hg5 hg5 52.Nd4?? (better 52.Kd2-+) 52...Nc4 53.Kd3 Ne5 (53...Ne5 54.Ke3 Ng4 55.Kd3 Ne5 56.Ke3 b4-+) 0–1. Bergmann,Reiner (1810) – Fauth,Dietmar (2140), 5th Arber Open, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5 9.Nb5 Rc8)

    11.Ra7 Nf6 12.Nf3 Rc3!? 13.Ne5 Rc8+=.

    11.Ra7 Nf6 12.Nf3 Nd7 13.Qa4 (13.c4!? Qc6 14.Be2+-) 13...f6+= 14.c4 (14.Bd2 e5+=) 14...Qe4 (14...b5 15.cd5 ba4 16.Be3+=) 15.Be2 (better 15.Be3+=) 15...g5? (15...e5 16.Be3 ed4 17.Nd4 A) 17...Qg2? 18.Bf3 (18.Nf5 Qh1 19.Kd2 Rd8-/+) 18...Qg6 19.h4+-; B) 17...Qb1 18.Qd1 Bb4 19.Kf1 Qd1 20.Bd1 Be4=) 16.Be3+- Qb1 17.Qd1 (17.Bd1 Bd3 18.Nd2 Qb2+-) 17...Qd1 18.Kd1 b6 (18...e6 19.Nd2+-) 19.Kd2 (19.Kc1 e6+-) 19...e6 (19...e5!?+-) 20.c5 Be4 (20...bc5 21.Bb5 Rd8 22.dc5+-) 21.Ba6 Ra8 (21...Rd8!? 22.Bb5 bc5 23.dc5 g4+-) 22.Ra8+- Ba8 23.Bb5 g4? (23...bc5 24.Ra1 Bf3 25.gf3 Kf7+-) 24.Ra1+- Bd5 25.c6 (25.Nh4!? Kd8 26.Ra7 Nc5 27.dc5 Bc5+-) 25...Bb4 (25...gf3 26.cd7 Kf7 27.gf3 Bb4 28.Ke2+-) 26.Kd3 (better 26.Kd1 0-0 27.Nd2+-) 26...0-0? (better 26...gf3!? 27.cd7 Ke7 28.gf3 Bd6+-) 27.cd7 (27.Nd2!? Nb8 28.c7 Nc6+-) 27...gf3 28.gf3 Kf7 29.Ra7 (29.Bf4 Be7 30.Ke3 Rg8+-) 29...Ke7? (better 29...Be7+-) 30.Bf4 1–0. Shevchenko,Danylo (2150) – Zakoscielna,Kinga (2050), 28. Czech Open B, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5 9.Nb5 Rc8)

    11.Ra7 Nf6 12.Nf3 g6 13.c4+/- Qe4 (13...Rc4 14.Bc4 Qc4 15.Ra8 (15.Rb7?! Nd7+/-) 15...Bc8 16.Ne5+-) 14.Be2 Bg7 15.0-0 0-0 16.Ne5 Rfd8 17.Be3 Nd7 18.Bf3 Qh4 19.g3 Qf6 20.Bb7 Rc7 21.Ra6 e6 (21...Ne5 22.Rf6 Bf6 23.Bf4 (23.de5?! Rd1 24.Rd1 Be5=) 23...Rb7 24.Be5 Be5 25.Qf3+/-) 22.Bg2 (22.Nd7!? Rcd7 23.Bc6+/-) 22...Ne5+= 23.de5 Qe7 24.Rd6 Rdc8 25.g4 Be5 26.Rd2 Qh4 27.h3 Be4 (worse is 27...Rc4 28.gf5 gf5 29.Rd7+-) 28.Be4 Qh3 29.f3 Rc4 30.Qb3 (30.Bb6!?+/-) 30...Re4= 31.fe4 Rc3?? (better is 31...Bc3 32.Rd3 Qg3 33.Kh1 Qh3 34.Kg1 Qg3 35.Kh1 Qh3 36.Kg1=) 32.Rd8 Kg7 33.Rf7! Kf7 (33...Kf7 34.Rd7 Mate attack) 34.Rd7 Kf8 35.Qb4 Kg8 (35...Bd6 36.Qd6 Kg8 37.Qb8 Rc8 38.Qc8) 36.Rd8 Kf7 1–0. Berg,Emanuel (2555) – Andersson,Tom (2335), Borlange SWE, Men Ch, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5= Qd5 8.Na3 Bf5)

    11.Ra7 g6 12.Nf3 Bg7 13.Bd2 Nf6 14.Be2 Ne4 15.c4 Qc6 16.0-0 0-0 17.Bb4 Qb6 18.Qa4 Bd4 19.Nd4 Qd4 20.Rb7 Ra8 21.Qd1 Qb2 22.Rb5 Ra2 23.Bf3 Nf2 24.Qe1 Nh3 (better is 24...Nd3 25.Qc3 Nb4 26.Qb4 Qd4 27.Kh1 Bd3-+) 25.Kh1= Nf2 26.Rf2?? (better is 26.Kg1 Nd3 27.Qc3 Nb4 28.Qb4 Qd4 29.Kh1-+) 26...Qf2-+ 27.Qf2 Rf2 28.Kg1 Rb2 (28...Rc2 29.Be7 Re8 30.Re5 Rc4 31.h3-+) 29.h3? (better is 29.Be7!? Rb5 30.cb5-/+) 29...Bd3 30.Bd5? Rc8 31.Be7 Rb5 32.cb5 Bb5 33.Bf6 Bc6 34.Bb3 Bb7 35.Kf2 Rc6 36.Be5 Rb6 37.Bc4 h5 38.g4 hg4 39.hg4 Rb4 40.Be2 f6! 41.Bd6 Rd4 42.Bc5 Rf4 43.Kg3 g5 44.Bd1 Kg7 45.Be2 Bc8 46.Bd1 Be6 47.Be2 Kg6 48.Bd6 Rd4 49.Bc5 Rd2 50.Bf1 f5 51.gf5 Kf5 52.Be3 Rd6 53.Ba7 Rd1 54.Be2 Rd2 55.Bf1 g4 56.Bc5 Bd5 57.Be3 Ra2 58.Bc5 Be4 59.Bd6 Rb2 60.Ba6 Rb3 61.Kf2 g3! 62.Ke2 Rb2 63.Ke3 g2 64.Bc8 Kf6 65.Bh2 Rb1 66.Ke4+= Rh1 67.Be5 Kf7 68.Bd4 Rh4 69.Kf3 Rd4 70.Kg2 Rd3 ½–½. Shchukin,Igor – Kruglyakov,Pavlo, Stepichev Memorial, 2002. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

    9.Nc4 e6

    10.Ne3 Qd7 11.Nf3 Be4 12.Nd2 Bg6 13.h4 h5 14.Bb5 Qc7 15.0-0 Nge7 16.Ndc4 a6 17.d5 Rd8 18.Ra6?? ba6-+ (18...ba6 19.Bc6 Nc6-+) 0–1. Rothhaar,Udo (2175) – Beetzen,Michael (2380), RSS4D adv–27, 2007.

    10.Ne3 Qd7 11.Nf5 ef5 12.Nf3 Nf6 13.Bd3 Qe6 14.Qe2 g6 15.Qe6 fe6 16.0-0 Bd6 17.Re1 Kd7 18.Rb1 Rab8 19.c4 a6 20.Bh6 Rhe8 21.c5 Bc7 22.Bc4 Nd5 23.g3 b5 24.cb6 Rb6 25.Ra1 a5 26.Bd2 Rb2-/+ 27.Rac1 Reb8 28.Bc3 R2b6 29.Ng5 Bd6 30.Ba1 Bb4 31.Re2 Nd8 32.Ba2 h6 33.Nf3 Nc6 34.Nh4 Rg8 35.Nf3 Rc8 36.Rb1 a4 37.h3 a3 38.Kg2 g5 39.Nd2 Rbb8 40.Nc4 Bc3 41.Rb8 Rb8 42.Bc3 Nc3 43.Rc2 Nb5 44.Ne5 Ne5 45.de5 Nc7 46.Rd2 Kc6 47.Rd6 Kc5 48.Rd3 Ra8 49.Rc3 Kb6 50.Rb3 Kc6 51.Rc3 Kd7 52.Rd3 Nd5! 53.Rd4 Kc6 54.Rc4 Kb5 55.Rc1 Ka4 56.Rc4 Nb4 57.Rd4 Kb5 58.Be6 Re8 59.Bf5 Re5 60.Bh7 a2 61.Rd1 Re8 62.Bg6 Rf8 63.Ra1 Kc4 64.Bb1 ab1B 65.Rb1 Rf6 66.Rd1 Nd3 67.Rd2 Ra6 68.Kf3 Kd4 69.Kg4 Kc3 70.Re2 Rf6 71.f3 Kd4 72.h4 Ne5 73.Kh5 Nf3 74.hg5 Ng5 75.Ra2 Ne4 76.g4 Ke3 77.Ra1 Ng5 78.Ra3 ½–½. Warzecha,Helmut (2265) – Penzler,Frank (2450), remoteschach.de, 2007.

    10.Ne3 Qd8 11.d5+= Ne5 12.Bb5 Nd7 13.Nf5 ef5 14.Qe2 Qe7 15.Bd7 (15.Be3 Ngf6 16.Nf3 f4 17.Bd7 Kd7+=) 15...Kd7= 16.Be3 a6 17.Nh3 Nf6 18.0-0 Ng4 (18...Qe5 19.Rfb1 Rb8= (19...Qd5?? 20.Rd1 Bd6 21.Rd5 Nd5 22.Bd4+-)) 19.Qb2+= b5 (better is 19...Qd8+=) 20.Ra6!+- Ra6 (20...Ra6 21.Qb5 Double attack (21.Qb5 Decoy)) 21.Qb5 Kd8 22.Qa6 Ne3 23.Qa8 (23.fe3?! Qc5+-) 23...Kd7 24.Qc6 Kd8 25.Ra1 Qd7 26.Ra8 Ke7 27.Qc5 Qd6 28.Qe3 Kd7 29.Qe8 (29.Qe8 Kc7 30.Qb8 Kd7 31.Qd8) 1–0. Damia,A (2280) – Olabe Odriozola,E (1910), 1st Fermo Festival, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

    10.Ne3 Qe4 11.Ne2 Bg6 12.h4 Bh5?? 13.f3+- Bf3 14.gf3 Qf3 15.Bg2 Qh5? 16.Qb3 Nge7 17.Qb7 Rc8 18.Nf4 Qh6 19.Ng4 (19.Ng4 Qf4 20.Bf4+-) 1–0. Damia,A (2235) – Kolesar,Mic (2080), Open, Stare Mesto CZE, 2006.

    10.Nf3 Nge7 11.Ne3 Qd8 12.Bc4 Bg6 13.Qe2 Nc8 14.d5 ed5 15.Nd5 Be7 16.0-0 0-0=+ 17.Rd1 Bd6 18.Be3 h6 19.h3 N8e7 20.Nf4 Qc7 21.Ng6 Ng6 22.Bd5 Nf4 23.Bf4 Bf4 24.Qc4 Rfd8 25.g3 Bd6 26.Kg2 a5 27.Ra4 Rab8 28.Qb5 Be7 29.Rc4 Bf6 30.Rc5 Qd7 31.Rd2 Qe8 32.Rd3 g6 33.Re3 Ne7 34.Qb6 Kg7 (< 34...Rd5 35.Rd5 Qc6 36.Qc6 Nc6 37.c4+=) ½–½. pierred (2755) – pcmvr (2840), net–chess.com, 2010.

    8.Na3 Nf6

    9.Nb5 Kd8 10.Be2 Qg2 11.Bf3 Qg6 12.Bf4 Qf5 13.Bc7 Kd7 14.d5 Ne5 15.Be5 Qe5 16.Ne2 a5 17.Qa4 Kd8 18.0-0 h5 19.Rfe1 Qg5 20.Kh1 Bg4 21.Bg2 Be2 22.Re2 Qg4 23.Nd4 Qd7 24.Qa2 Qc7 25.d6 ed6 26.Rb1 d5 27.Bd5 Nd5 28.Qd5 Qd7 29.Qf3 Rb8 30.Nc6!+- Qc6 31.Qc6 (31.Qc6 bc6 32.Rb8 Kc7 33.Ree8+-) 1–0. Korostenski,Frank (2210) – Masala,Pierluca (1860), IECG, 2007.

    9.Nb5 Kd8 10.Be3 e6 11.Nf3 Bd7 12.Be2 Be8 13.0-0 Qd7 14.Ne5 Ne5 15.de5 Qd1 16.Rfd1 (16.Bd1 Bb5 17.ef6 Bf1 18.Kf1 gf6-/+; 16.Rad1?! Nd5=) 16...Nd7? (better is 16...Nd5 17.Ba7 Rc8+/-) 17.Na7+- (17.Ra7?! Ra7 18.Na7 Kc7 19.Nb5 Kc8+-; 17.Ba7?! Kc8 18.Bd4 Ra1 19.Ra1 Kb8+-) 17...Rb8 18.Bb6 Ke7 19.Bc7 (19.Bc7 f6 20.ef6 Kf7 21.Bb5+-) 1–0. Damia,Angelo (2260) – Roubalik,Jakub (2110), Stare Mesto op, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Nf6)

    9.Nb5 Kd8 10.Nf3 Bg4 11.c4 Qe4 12.Be2 Bf3 13.gf3 Qf5 14.d5 Nb4 15.0-0 Na6 16.Be3 Nh5 17.Qd2 g5?? (better is 17...Qf6+=) 18.Ra6!+- (18.Na7?! Nf4 19.Qb2 Ne2 20.Qe2 Bg7=; 18.Bg5? Rg8 19.h4 Nf4-+) 18...Nf4 (18...ba6 19.Qa5) 19.Bf4 gf4 20.Kh1 (20.Qa5 Kd7 21.Bd1 e6 22.Qc7 Ke8 23.Qb7 Rg8 24.Kh1 Qd3+-) 20...Rg8 (20...ba6 21.Qa5 Kd7 22.Qc7 Ke8 23.Qc6 Kd8 24.Qa8 Qc8 25.Qc8 Kc8 26.Na7 Kc7 27.Nc6+-) 21.Rg1 (21.Qa5 b6 22.Rb6 ab6 23.Qb6 Ke8 24.Nc7 Kd7 25.Qc6 Kd8 26.Ne6 Qe6 27.de6 Rg1 28.Rg1 Ra7 29.Rd1 Rd7 30.Qd7) 21...Rg1 22.Kg1 Qb1 23.Bf1 Qg6 (23...ba6 24.Qa5 Ke8 25.Nc7 Kd7 26.Na8 Qb7 27.Qa4 Kd8+-) 24.Rg6 (24.Rg6 hg6 25.c5+-) 1–0. De Pierrefeu,Thibault (2190) – Bouvier,Bruno (2250), FRA–chT2, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Nf6)

    9.Nb5 Kd8 10.Nf3 Bg4 11.Be2 Bf3 12.gf3 e6 13.Bf4 Qd7 14.0-0 Nd5 15.Bd2 Nc7 16.Qa4 Nb5 17.Bb5 Bd6 18.c4 Qc7 19.Bc6 Qc6 (19...bc6?? 20.Ba5 Bh2 21.Kh1+-; worse is 19...Bh2 20.Kg2 Qc6 21.Qc6 bc6 22.Kh2+=) 20.Qc6 bc6 21.Ra6 Kd7 22.Rfa1 Rhc8 23.Ra7 Ra7 24.Ra7 Rc7 25.Rc7 Bc7 26.h3 Ke7 27.Bg5 f6 28.Bd2 Kf7 29.Kf1 Kg6 30.Ke2 Kf5 31.Kd3 Bf4 32.Be3 h5 33.Kc3 Bd6 34.Kd3 Bb4 35.Bc1 Ba5 36.Be3 Bc7 37.Kc3 e5 38.d5 cd5 39.cd5 e4 40.f4 g5 41.fg5 fg5 42.Bc5 Ke5 43.Be7 g4 44.hg4 hg4 45.Kd2? (better is 45.Kc4+=) 45...Kd5-+ 46.Ke2 Ke5 47.Bg5 Kf5 48.Be3 Bf4 49.Bd4 0–1. Jaroch,Pawel (2135) – Zaskalski,Arkadiusz (2205), Chojnice op Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Nf6)

    9.Nb5 Qe4 10.Be2 Nd5 (10...Rb8 11.Nf3 Bf5 12.d5+-) 11.Nf3+/- Rb8 (11...a6 12.Ng5 Qf5 13.c4+-) 12.Ng5 Qf5 (12...Qg2?? 13.Bf3 Bg4 14.Bg2 Bd1 15.Bd5+-) 13.Bd3 (13.Bc4 e6 14.Bd3 Qf6+=) 13...Qd7 14.Qf3 e6 15.0-0 (better is 15.Bf4 Nf4 16.Qf4+/-) 15...a6+= 16.Na3 h6 17.Ne4 b5 18.Qg3 f5 19.Nc5 Bc5 (19...Qc7 20.Qc7 Nc7 21.Nc2+=) 20.dc5 Kf7 (better is 20...Nc3!? 21.Bf4 Rb7=) 21.c4+/- bc4 22.Nc4 g5 (22...Kg8 23.Ne5 Ne5 24.Qe5+/-) 23.h4 (23.Qb8! Nb8 24.Ne5 Ke7 25.Nd7 Bd7 26.Re1+-) 23...f4+/- 24.Qf3 Ke7 25.Qh5 (better is 25.Bb2!? Rb2 26.Nb2+/-) 25...Nf6+= 26.Qe2 Nd4 (26...Qd5 27.Rd1 f3 A) 28.gf3 Nd4 29.Qe3 Nf3 30.Kf1 e5+= (30...gh4 31.c6 Rb3 32.Ra5 Qc6 33.Rc5 Nh2 34.Ke2 Qf3 35.Qf3 Nf3 36.Kf3+/-); B) 28.Qf3 Qf3 29.gf3 gh4 30.Kh2=) 27.Qe5 (27.Qe1 Qd5 28.Ba3=) 27...Bb7?? (better is 27...Nc6 28.Qd6 Qd6 29.cd6 Kf7+=) 28.Nd6 (better is 28.Bb2 Qd5 29.Qd6 Qd6 30.cd6 (30.Nd6?! Be4=) 30...Kf7 31.Ne5 Ke8 32.Bd4+-) 28...Nc6 29.Qe2 (29.Qc3 e5 30.Bf5 Qc7+-) 29...Nb4 30.Bc4 Bd5 31.Ba6 (31.Bb2 Bc4 32.Nc4 Rhg8+-) 31...Na6 (better is 31...f3!? 32.gf3 gh4+/-) 32.Ra6+- (32.Qa6?! Bg2 33.Rd1 Bd5=) 32...Ra8 33.Bb2 (better is 33.Nf5! Kf7 34.Rd6+-) 33...Ra6+/- 34.Qa6 Ra8? (34...gh4 35.Qa1 Rf8+/-) 35.Qd3+- Rg8 (better is 35...gh4 36.Qg6 Ne8 37.Qh6 Qc6+- (37...Nd6?? 38.Bf6 Ke8 39.Qh8 Kf7 40.Qg7 Ke8 41.Qg8)) 36.Qd4 Ne8 37.Re1 (37.Ra1!? Kf8 38.c6 Qc6 39.Ra7 Qd6 40.Ba3 Qa3 41.Ra3+-) 37...Kd8+/- (37...Nd6? A) 38.cd6?! Qd6 (38...Kd6 39.Qb4 Kc7 40.Qa5 Kb7 41.Be5+-) 39.Qd3 Ra8+/- (39...gh4?? 40.Ba3 Rg2 41.Kf1 Qa3 42.Qa3 Kf7 43.Qa7 Kg8 44.Re6 Rf2 45.Qf2 Be6 46.Qh4+-); B) 38.Qd5 Ne8 39.Qf5+-) 38.Ne8 Ke8 39.h5 Qb7 (39...f3 40.g3+/-) 40.Bc3 (better is 40.Qf6 Qf7 41.Qe5+- (41.Qh6?! Qf5+/-)) 40...Qc6?? (better is 40...f3 41.g3 Rf8+/-) 41.Rb1+- Kd7 (41...Qc7 42.Qf6 e5 43.Be5 Qe7 44.Rb8 Kd7 45.c6 Bc6 46.Rg8 Qf6 47.Bf6 Be4 48.Rd8 Kc7+-) 42.Rb6 Qa8 43.Qf6 (better is 43.c6 Qc6 44.Rc6 Kc6+-) 43...Qf8 44.Qd4 Qf5?? (44...Qa8 45.c6 Qc6 46.Rc6 Kc6+-) 45.Qa4 1–0. Katyshkina,A (1940) – Shakirova,Renata (1995), ch–St Petersburg w, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Nf6)

    9.Nb5 Qe4 10.Ne2 Nd5 11.c4 Ndb4 12.f3 Qf5 13.Ng3 Qc2 14.Nc7 (better is 14.Bd2 Qd1 15.Kd1+/-) 14...Kd8 15.Na8 Qc3 16.Bd2 Nc2?? (better is 16...Qa1! 17.Qa1 Nc2 18.Kd1 Na1+=) 17.Kf2+- Qd4 18.Be3 Ne3 19.Qd4 Nd4 20.Bd3 (20.Ra7?! Nd1 21.Ke1 Ne3+/-) 20...Nec2 21.Bc2 Nc2 22.Rhd1 Bd7 23.Ra7 e5 24.Nb6 Bc5 25.Ke2 Nd4? (25...Bb6 26.Ra8 Ke7 27.Rh8 Nd4 28.Kd3+-) 26.Rd4! Bd4? (26...Bd4 27.Ra8 Decoy; 26...ed4 27.Ra8 Decoy) 27.Ra8 Ke7 28.Nd5 (28.Nd5 Kd6 29.Rh8+-; 28.Rh8?! Bb6 29.Rh7 g6+/-) 1–0. Damia,Angelo (2265) – Brenco,Marco (2030), Milan Bosi op, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Nf6)

    9.Nb5 Qd8

    10.d5 Nb8 11.Bf4 Nd5 12.Qd5!! Qd5 13.Nc7 Kd7 14.Nd5 Nc6 15.Rd1 (15.Nb6 ab6 16.Ra8 e5+-) 15...e5 16.Nb6 Ke6 17.Bc4 Kf5 18.Na8 ef4 19.Nf3 b5 (19...Be6 20.Bd3 Kf6+-) 20.Bb5 Bb7 (20...Ne5 21.Rd5 f6+-) 21.Bc6 Bc6 22.Nd4 (22.Nd4 Kf6 23.Nc6+-) 1-0. Ribiere,Damien (2080) - Ciarletta,Ulysse, ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    10.d5 Nb8 11.Bf4 e5 12.Be5 Bc5? (12...Nd5 13.Bc4 Nc6 14.Qd5 Qd5 15.Nc7 Kd7 16.Bd5 Ne5 17.Na8 Nd3 18.Kf1 Bc5+-) 13.Nc7 Kf8 14.Na8 Qe7 15.Qe2 Bf2 16.Kf2 Ng4 17.Ke1 Ne5 18.Nf3 Bg4 (18...Nf3 19.gf3 a6+-) 19.Qe5 (19.Qe5 Bf3 20.Qe7 Ke7 21.gf3+-) 1–0. Suarez Pozo,J (1860) – Borondo Garcia,R (2035), 36th Open Seville ESP, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

    10.d5 Bg4 11.f3 Bd7 12.dc6 bc6 13.Na3 e5 14.Nc4 Bc5 (14...Nd5 15.Ne5 Qe7 16.Qe2 Nc3 17.Qe3+/-) 15.Be3 (better 15.Ne5!? Qe7 16.Qe2+-) 15...Be3+/- 16.Ne3 0-0 17.Bc4 Re8 18.Ne2 Qb6 19.Qc1 Be6 20.Be6 Re6 21.c4 Qd8 22.0-0 e4 23.f4 Qd3 24.Ng3 Qd4 25.Rd1 Qc5 26.Qa3 Qb6 27.c5 Qc7 28.f5 Re5 29.Rd6 Nd7 30.Rad1 Nc5 31.Qc3 Nd3? (31...f6+-) 32.R1d3 ed3 33.Qe5 d2 34.Qd4 a5 (34...Qb6 35.Qd2 Re8 36.Ngf1+-) 35.Qd2 (better 35.Nh5!? f6 36.Nf6 gf6+-) 35...a4 36.Rd7 Qb6 37.Ne4 (better 37.f6!? g6 38.Re7 Rf8+-) 37...a3 38.Nc3 h5 39.Kf1 (better 39.Rd3!? Re8+-) 39...a2 40.Na2 Qb1 (40...Qa6 41.Kg1 Qa2 42.Qd1+-) 41.Nc1 Ra3 (41...Ra1 42.Qe1 Qc1+-) 42.Rd8 Kh7 43.f6! Ra1 (43...gf6 44.Qc2 Double attack (44.Qd6 Decoy)). Bugayev,Vladimir - Stany,G (2520), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

    10.d5 Bg4 11.f3 Bd7 12.dc6 bc6 13.Na3 e6 14.Nc4 Nd5 15.Qd4 f6 16.Ra7 e5 17.Qf2 Nc3 18.Bd2 Nd5 19.Na5 Rb8 20.Bd3 Nb4 21.Bb1 Be6 22.Ne2 Rb5 23.Qh4 Qb8 24.Qh5 Kd8 25.Be3 c5 26.Rb7 Rb7 27.Nb7 Qb7 28.0-0 Bc4 29.Rd1 Nd5 30.Nc3 Qb3 31.Ba2 Qc3 32.Bc4 Qe3 33.Kf1 g6 34.Qh3 f5 35.Qh4 Be7 36.Rd5 Ke8 37.Bb5 Kf7 38.Qc4 Kf6 39.Qh4 Qg5 40.Qe1 Qf4 41.Kg1 Kf7 42.g3 Qb4 43.Re5 Bf6 44.Re8 Qe1 45.Re1 Rb8 46.Rb1 Bd4 47.Kg2 Kf6 48.Bd3 Rb1 49.Bb1 c4 50.h3 c3 51.Bc2 h6 52.Bb1 g5 53.g4 f4 54.Kf1 Ke5 55.Ke2 Kd5 56.Bd3 Be3 57.Bc2 Kc4 58.Bd3 Kb3 59.Kd1 ½–½. Clark,Robert William (1720) – Noble,Mark Frederick (2165), CFriend SI–2004–0-00026 email, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Nf6 9.Nb5 Qd8)

    10.d5+/- Ne5?

    11.Ra7?! Ra7 12.Na7 Bd7 =.

    11.Bf4 Nfd7 12.Qd4 f6 13.Nf3 e6 (better 13...Kf7 14.Ne5 Ne5 15.Be5 fe5 16.Qe5 Qb6+-) 14.de6+- (14.Ne5?! fe5 15.Qc4 Nc5+/-) 14...Nc5 15.Ne5 fe5 16.Qd8 (better 16.Qe5 Be6 17.Be3 Rc8 18.Bc5 Bc5+-) 16...Kd8 17.Bg5 Be7 18.0-0-0 Ke8? (18...Bd7 19.Be7 Ke7 20.ed7 Ne4+-) 19.Nc7 Kf8 20.Be7 (better 20.Be3 Be6 21.Bc5 Bg4+-) 20...Ke7 21.Na8 Ne6? (21...Ne4 22.Rg1 Be6+-) 22.Bc4 Bd7 23.Be6 Be6 24.Nc7 Bc4 (24...Rc8 25.Nd5 Bd5 26.Rd5 Rc3 27.Kb2+-) 25.Nd5 (better 25.Rhe1!? Kf6+-) 25...Ke6 26.Ne3 Bb3 27.Rd2 Rc8 (27...Ba4 28.Re1 Rc8 29.Kb2+-) 28.Kb2 (28.Rb2 Rc3 29.Kd2 Re3 30.Ke3 Bd5+-) 28...Ba4 29.Re1 h5 (29...Rc5 30.Ra1 b5 31.Rd8+-) 30.f4! ef4 (30...Rc5 31.f5 Kf6 32.Ra1+-) 31.Nd5 Kd6 (31...Kf7 32.Rd4 Re8 33.Rf4 Kg6 34.Ne7 Re7 35.Re7+- (35.Ra4 Re1 36.Ra7 Re2 37.Kb3 Rg2-/+)) 32.Ne7 (32.Ne7 Kc7 33.Nc8 Kc8 34.Re7+-) 1-0. Rozman,Levy (2340) - Gomez Garrido,C (2475), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    11.Bf4 Nfd7 12.Nf3 g6?? 13.Ne5 (13.Be5?! Ne5 14.Ne5 Bg7+-) 13...Bg7 14.Nd7 Bd7 15.Nc7 Kf8 16.Na8 Bc3 17.Bd2 (17.Bd2 Bd2 18.Qd2 Qa8 19.Qd4+-) 1-0. Riehle,Marco (2345) - Tsyhanchuk,S (2320), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    11.Bf4+- Nfd7 12.Nf3 f6

    13.Ra7 Ra7 14.Na7 Nf3 15.Qf3 e5? 16.de6 Nc5 17.Qh5 g6 18.Bb5 (18.Bb5 Bd7 19.ed7 Nd7 20.Qd5+-) 1–0. Jaroch,P (2135) – Zolnierowicz,K (2255), Open A, Kowalewo Pomorskie Poland, 2007.

    13.Na7?! Nf3 14.gf3 Nb6=.

    13.Nfd4 Nb6 14.Be5 Nd5 15.Bg3 e5 16.Qb3 ed4 17.Qd5! Qd5 18.Nc7 Kf7 19.Nd5 Bf5 20.cd4 Rd8 21.Bc4 Be6 22.Ra5 Rd7 23.Ra7 Bd5 24.Rb7! Bc4 25.Rd7 Kg6 26.f3 Bb4 27.Kf2 Ra8 28.h4 Ra2 29.Kg1 h5 30.Kh2 Rd2? 31.Rc1 Be6 32.Rd8 Be7 33.Rb8 Bd5? 34.Kh1 Rd4 35.Rc7 Ba3 36.Ra7 Bc1? 37.Rc8 Rd1 38.Kh2 Be3 39.Bb8 Ba7 40.Ba7 Ra1 41.Be3 Ra4 42.Kg3 Bc4 43.Rc7 Bf1 44.Bf2 Ra2 45.Ra7 Rd2 46.Ra1 Bc4 47.Be1 Re2 48.Bf2 Kh6 49.Be3?? Re3-+ ½–½. Pettersen,J (2030) – Martin Macias,D (2190), Gibtelecom Masters, Catalan Bay ENG, 2007.

    13.Nfd4 Nb6 14.Be5 Nd5 15.Bg3 e5 16.Nf3 Be6 17.Bc4 Rc8 (17...Nc3 18.Qb3 (worse 18.Nc3 Qd1 19.Kd1 Bc4=+) 18...Bc4 19.Qc4 Nb5 20.Qb5 Qd7 21.Qb1+=) 18.Bd5 Qd5 19.Qd5 Bd5 20.Kd2 (better 20.Ra7!? Rc5 21.c4 Rc4 22.Ke2+=) 20...a6= 21.Na3 g6 22.Nc2 Bh6 23.Ne3 0-0 24.Kc2 Be4 25.Kb3 Rc6 26.Ra4 Rfc8?? (better 26...Bf3 27.gf3 b5=) 27.Re4+- Rc3 28.Kb2 f5 (28...Be3 29.Re3 Rc2 30.Kb3 a5+-) 29.Be5?? (better 29.Re5 Bg7 30.Re7 R3c7 31.Rg7 Rg7 32.Nd5+-) 29...fe4+/- 30.Bc3 ef3 31.gf3 Rf8 32.Ng4 Bg7 33.Ne5 Be5 34.Be5 Rf3 35.Bg3 Rf5 36.Rd1 Rb5 37.Kc3 h5 38.h4 (38.Rd7 g5+/-) 38...g5 39.hg5 Rg5 40.Rd8 Kf7 (better 40...Kh7!?+/-) 41.Rd7+- Ke6 42.Rb7 Kf5 (42...a5 43.Rb6 Kf7 44.Ra6+-) 43.Kd4 (43.Rb6 Rg6 44.Bd6 a5+-) 43...h4 44.Be5 Kg4 (44...Rg4 45.f4 Rg6+-) 45.Ke4 Kh3 (45...Rg6 46.f3 Kh3 47.f4+-) 46.f4 Rg1 (46...Rg4 47.Kf5+-) 47.f5 Re1 48.Kd5 Kg2 49.f6 h3 (49...Rf1+-) 50.Rb2 Kg1 51.f7 Rf1 52.Ke6 (52.Bd4 Kh1 53.Bf2 Rd1 54.Ke4 Rc1 55.f8Q Rc4 56.Bd4 Rd4 57.Kd4 Kg1 58.Qf2 Kh1 59.Qh2) 52...a5 (52...Rf7 53.Kf7 Kf1+-) 53.Bf6 h2 (53...Rf3 54.f8Q Kf1 55.Qc5 Rf6 56.Kf6 h2 57.Qf2) 54.Bd4 (54.f8Q Rf2 55.Bd4 h1N 56.Qf3 Kh2 57.Be5 Ng3 58.Rf2 Kg1 59.Qg2) 54...Kh1+- 55.Be5 (55.Bf2 Rg1 56.f8Q Rg6 57.Ke7 Re6 58.Ke6 Kg2 59.Qa8 Kf1 60.Qh1) 55...Kg1 56.Bh2 Kh1 57.Bg3 a4 (57...Rf7 58.Kf7 a4+-) 58.Bf2 a3 (58...Rd1 59.f8Q Kg2 60.Qa8 Rd5 61.Qd5 Kh3 62.Qf3 Kh2 63.Bd4) 59.f8Q ab2 (59...Re1 60.Be1 ab2 61.Qf3 Kg1 62.Bf2 Kh2 63.Qg3 Kh1 64.Qg1) 60.Qf3 Kh2 61.Qg3 Kh1 62.Qh3 1-0. Espinosa,Pedro (1655) - Cheng,Daniel (1890), National Junior High K9, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    13.Nfd4 Nb6 14.Be5 Nd5 15.Bg3 e5 16.Nf3 Be6 17.Bc4 Kf7? 18.0-0 (18.Qb3 a6 19.Rd1 ab5 20.Bd5 Qb6+-) 18...Be7? (18...Rc8 19.Qb3 a6 20.Rfd1 Rc4 21.Qc4 ab5 22.Qb5+-) 19.Be5! fe5 20.Ne5 Kg8? (20...Kf8+-) 21.Re1 (21.Nd4 Qd6 22.Ne6 Qe5+-) 21...Bf6 (21...Bc5 22.Nd3 Bf2 23.Nf2+- (23.Kf2?! Qh4 24.Kg1 Qc4+-)) 22.Nd7!! (22.Ra7?! Ra7 23.Na7 Kf8+-; 22.Na7?! Kf8 23.Qf3 Bg8+-) 22...Qd7 (22...Qd7 23.Re6 Decoy; 22...Bd7 23.Qd5 Mate attack) 23.Re6! Kf8 (23...Qe6 24.Bd5 Double attack (24.Bd5 Decoy; 24.Bd5 Remove defender)) 24.Qd5 (worse 24.Bd5 h5 25.Qb3 Be7+-) 24...Qd5 25.Bd5 Rd8 26.Bb7 Kf7 27.Re3 (27.Rea6 Rhe8+-) 27...Rhe8 (27...a6 28.Ba6 Rd7 29.Nd4+-) 28.Re8 Ke8 29.g3 Kf7 30.Ra7 Kg6 (30...Ke6 31.c4+-) 31.Be4 Kh6 32.Nd4! g6 (32...Bd4 33.cd4 Passed pawn) 33.Kg2 Rb8 (33...Bd4 34.cd4 Re8 35.f3+-) 34.Ra2 (34.f4!? Re8 35.Bf3 Re7 36.Re7 Be7+-) 34...Rc8 35.Rc2 Kg7 36.Ne2 (36.Ne6 Kf7 37.Bd5 Rc3 38.Nd4 Ke7 39.Rc3 Bd4+-) 36...Kf7 37.c4 Be7 38.Nd4 Bc5 39.Nb3 Be7 40.c5 Rb8 (40...h6 41.f4+-) 41.c6 (41.c6 Rc8 42.Nd4+-) 1-0. Riehle,Marco (2345) - Drygalov,Sergey (2490), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

    13.Nfd4 Nb6 14.Be5 Nd5 15.Bg3 e5 16.Nf3 Be6+/- 17.Be2 a6+= 18.c4 Bb4 19.Kf1 Nb6 20.Qd8 Kd8+= 21.Na3 Ba3 22.Ra3 Nc4 23.Rc3 b5 24.Ke1 Ke7 25.Nd2 Nd6 26.f4 Rhc8 27.Rc8+= Rc8 28.fe5 Rc1 29.Kf2 Rh1=+ 30.ed6 Kd7 31.Nf1 g5-/+ 32.Bd3 f5 33.Be5= Kc6 34.Bf6 Kd6 35.Bg5 Bd7 36.Bd2 Kc5 37.Be3 Kb4 38.Bd4 a5 39.g4 fg4-/+ 40.Be4 g3 41.Ke1?? Rf1-+ 42.Kf1 gh2 43.Ke2 Bf5! 44.Bg2 a4 45.Kd2 a3 46.Kc1 Be6 47.Be5 Kb3 48.Bh2 b4 49.Be5 Ka2?? 50.Be4= h5 51.Bc2 h4 52.Bd6 h3 53.Bb4 h2 54.Be4 Kb3 55.Ba3 Ka3 56.Kd2 Kb4 57.Ke3 Kc5 58.Kf2 Bd5 59.Kg3 Be4 60.Kh2 ½–½. Jaroch,P (2230) – Szelag,M (2465), 8th Amplico AIG Life Rapid, Warsaw Poland, 2008.

    13.Nfd4 Nc5? 14.Be5 fe5 15.Qh5 Kd7 16.Qf5 Ke8 17.Ne6 Be6 18.de6 Qb6 (18...Qd6 19.Nd6 ed6 20.Bb5 Kd8 21.Rd1+-) 19.Qf7 Kd8 20.Rd1 (20.Rd1 Nd3 21.Rd3 Qd4 22.Rd4 ed4 23.Qf4 Ke8 24.Qd4 Rd8 25.Nc7) 1–0. Gora,Jan – Lewtak,Dominik, Miedzynarodowy Festiwal Szachowy Poland, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Nf6 9.Nb5 Qd8)

    13.Qe2 Nf3 14.Qf3 Ne5 15.Be5 fe5 16.Qh5 Kd7 17.Qe5 Qb6 18.Be2 Kd8 19.0-0 Bd7?? (19...a6 20.Rfd1 Qc5 21.Nd4+-) 20.Rfb1 (better is 20.Na7!? Ra7 21.Qb8 Bc8 22.Ra7 Qc7+-) 20...Qc5? (better is 20...a5+-) 21.Na7! Ra7 (21...b6+-) 22.Qb8 Bc8 23.Ra7 Qc3 24.Raa1 g5 25.Rc1 (25.Rc1 Ke8 26.Bh5 Kd8 27.Rc3 e5 28.Qc7) 1–0. Bursa,Renata (2080) – Gerc,Lidia (1800), Poland–chT3, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Nf6)

    5.d4 d6

    6.c4 a5=+ 7.Bd2 Bd7 8.Qb3 Nf6-/+ 9.Bd3 e5 10.d5 Be7 11.Ne2 0-0 12.0-0 Qb6 13.Be3 Qc7 14.Na3 Ng4 15.Bd2 f5 16.h3 fe4 17.Be4-/+ Nf6 18.Bb1 Na6 19.Qe3 Nc5 20.g4 g6 21.Ra2 Rf7 22.f4 Raf8-+ 23.Bc2 Ne8 24.Raa1 ef4 25.Nf4 Bf6 26.Rae1 Be5 27.Ng6 hg6 28.Qh6 Rf1 29.Rf1 Rf1 30.Kf1 Ba4 31.Bg6? Qg7 32.Qg5? Qf6 33.Qf6-/+ Nf6 34.Ba5 Nfe4 35.Bc7 Kg7 36.Be4 Ne4 37.Ke2 Bb3 38.Ke3 Nf6 39.Kd3-/+ Ne8 40.Bb8 Kf6 41.Nb5 Bd1 42.Nc3 Bf3 43.Ne4 Ke7 44.c5 Kd7 45.g5 Bh5 46.Ke3 Bf7 47.cd6 Bd5 48.h4 Ng7 49.Nc5 Kd8 50.g6 Nf5 51.Kd3 Nd6 52.Bd6= Bd6 53.Kd4 Bc5 54.Kc5 Be4 55.h5 Ke7=+ 56.h6 Kf6 57.g7 Kf7 58.Kb6 Bc6 59.Kc5 Kg8 60.Kb6 ½–½. Petrosian,TL (2590) – Hou Yifan (2505), Aeroflot Open, Moscow RUS, 2007.

    6.Bd2 Qb6 7.Na3 Qd4-/+ 8.c3? Qe4-+ 9.Be3 Nc6 10.Nf3 Bg4 11.Be2 Nf6 12.0-0 g6 13.h3 Bd7 14.Ng5 Qd5-+ 15.Qc2 Bg7 16.Rfd1 Qa5-+ 17.Nc4 Qc7 18.Bb6 Qc8 19.Be3 Bf5 20.Qb3 0-0 21.Na5 Na5 22.Ra5 a6 23.Bb6 Be4 24.Rd4 Bc6 25.Rh4 h6 26.Nf3 g5 27.Ng5? hg5 28.Rg5 Re8 29.Bd4 Kf8 30.Bh5 Nh5?? 31.Bg7 Ng7 32.Rh8# 1–0. rogeliovargas (2180) – rpatru (2180), net–chess.com, 2010.

    6.d5= Nf6 7.c3 Na6 8.Be3 g6 (8...Nc5 9.e5 Nfd7 10.Nf3+=) 9.Nd2 (9.Bb5 Bd7 10.Ba6 ba6=) 9...Bg7 (9...Nc5 10.Bb5 Bd7 11.Bd7 Qd7 12.Bd4+=) 10.Bb5= Nd7 11.Ne2 0-0 12.Ba6 ba6 13.0-0 Qc7 14.Nb3 Ne5 (14...Bc3? 15.Rc1+- (15.Nc3?! Qc3 16.Bd4 Qb4=)) 15.Bd4 f5 16.f4 Nc4 17.Bg7 Kg7 18.ef5 Rf5 19.Qd4 Kg8 20.Ng3 Rf7 21.Ra4 (better is 21.Ne4!?=) 21...Nb6-/+ 22.Rb4 Bd7 (22...a5 23.Na5 Qc5 24.Qc5 dc5 25.Re4 Nd5 26.c4+=) 23.Ra1 Bb5 24.f5 gf5?? (better is 24...Rc8 25.c4 Nc4-/+ (25...Bc4?! 26.Rc1=)) 25.Nf5+/- Rf6 26.Re1 Re8 27.Re3 .e5= 28.de6 Ree6 29.Re6 Re6 30.Qg4 Rg6 31.Qd4 Qf7 32.Qe4 Qd5?? 33.Ne7+- Kf7 34.Nd5 Bc6 35.Qf4 Kg7+- 36.Nb6 (36.Nb6 ab6 37.Rb6 Bg2 38.Rd6 Be4 39.Rg6 Bg6 40.Nd4+-) 1–0. Coleman,James (2220) – Tunks,Dominic (2135), BCF–chT3, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d6)

    6.c3 Nc6

    7.Na3 Nf6=+ 8.Bd3 e6 9.Nf3 Be7 10.0-0 0-0 11.Qc2 d5 12.e5+= Ne4 13.Nb5 Ng5 14.Ng5+/- Bg5 15.Bh7 Kh8 16.f4 Bh6 17.Bd3 g6 18.f5+- gf5? 19.Bh6 Rg8 20.Nd6 Qe7 21.Rf3 Rg6 22.Rh3 Kg8 23.Bc1 f6 24.Ba3 Qd8 25.Qe2 fe5 26.Qh5 Kg7 27.Qh7 Kf6 28.Qf7 (28.Qf7 Kg5 29.Bc1 f4 30.Qg6) 1–0. pierred – rpatru, internet, 2010.

    7.Qa4 Bd7 8.d5 Ne5 9.Qd4 a5 10.f4 Ng4 11.Nf3 +=.

    7.Qa4 Bd7 8.d5 Ne5 9.Qd4 a6 10.f4 Ng6 11.Nf3 Qc7 12.Bd3 e5 13.de6 fe6 (13...Be6? 14.f5+-) 14.e5 d5 15.Bg6 hg6 16.Ba3 Ba3 17.Ra3 Ne7 18.g4 Rc8 19.Nbd2 Qc5 20.Qc5 Rc5 21.Kf2 0-0 22.Ke3 Rfc8 23.Nb1 (23.Kd4 Bb5 24.Rc1 Be2+=) 23...Nc6 24.Rc1 Na7 25.Nd4 Nb5 26.Nb5 Bb5 27.Rd1 Rc4 28.Rd4 Rd4 29.cd4 (29.Kd4? g5 30.fg5 Rc4 31.Ke3 Re4 32.Kf3 Re5-+) 29...Rc2 30.Rc3? (better is 30.Nd2!?+=) 30...Rh2-+ 31.Rc7 Re2 (31...Rh3!? 32.Kf2 Rd3-+) 32.Kf3-/+ Rb2 33.Nc3 a5 34.Kg3? Bc6-+ 35.Kh4 a4 36.Kg5 Kh7 37.Rc6 bc6 38.Na4 Rc2 39.Nc5 Rc5! 40.dc5 d4 41.f5 d3 42.fe6 d2 43.e7 d1Q 44.e8Q Qd2 (44...Qd2 45.Kh4 Qh2 46.Kg5 Qh6) 0–1. Englert,Fabian (2065) – Schneider,David (2185), GER–ch U16 Willingen, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d6)

    7.Qa4 Bd7 8.d5 Ne5 9.Qd4 a6 10.f4 Ng6 11.Nf3 e6 12.de6 fe6 (12...Be6? 13.f5 N8e7 14.fe6 fe6 15.Qa4 Qd7 16.Nd4+-) 13.Bd3 N8e7 14.h4 (14.Qf2 Qc7+=) 14...Nc6 15.Qf2 Qf6 16.g3 Be7 17.h5 Nf8 18.Bb2 e5 19.f5 g6 20.g4 gf5 21.ef5 h6 22.Nh4 (22.Be4 Nh7 23.Qb6 Nd8+=) 22...Qg5 23.Be2 d5 24.Nd2 e4 25.Qg1 Rg8 26.Ng6 Bf6 27.Qc5 Ng6 (better is 27...Rd8!?+=) 28.hg6+= Ne7 29.Ne4 de4 30.Bc1 Bc3?? (30...Rc8 31.Bg5 Rc5 32.Bf6 Ng6 33.fg6 Rg6+-) 31.Qc3+- Nd5 (31...Rc8 32.Qc8!! Bc8 33.Bg5 hg5+-) 32.Qe5 (32.Qe5 Qe7 33.Qd5+-; 32.Bg5 Nc3 33.Bc4 hg5 34.Bg8 Ke7 35.Rh7 Kf6 36.Rd7 Rg8 37.Rb7 Ke5+-) 1–0. Stokke,Kjetil (2220) – Agustsson,Hafsteinn (1630), Hordaland–ch, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d6)

    7.Qa4 Bd7 8.d5 Ne5 9.Qd4 Ng6 10.f4 (10.Ra7!? Ra7 11.Qa7=) 10...a6+= 11.Nf3 e6 12.c4 Qc7 13.Bd3 Be7 14.Qf2 Bf6 15.Ra3 b5 16.f5 ef5 17.ef5 Ne5 18.Ne5 Be5 (18...de5?! 19.c5=) 19.Qe3 (better is 19.Nd2!? Nf6 20.h3-+) 19...bc4-+ 20.Rc3 Bb5 (20...Qc5 21.Rc4 Qe3 22.Be3-+) 21.Bc4 Bc4 22.Nd2 Ne7 23.Rc4 Qb7 (23...Nf5 A) 24.Rc7?? Ne3 25.Nf3 Nd5-+ (25...Ng2?! 26.Kf2+=); B) 24.Qe5!? de5 25.Rc7+/-) 24.Ne4 (24.Nf3 Nd5 25.Qe4 0-0 26.Ne5 Rfe8-+) 24...Qd5 25.Rb4 0-0 26.0-0 (26.f6 Nc6 (26...gf6?! 27.0-0-+) 27.Ra4 Bd4 (27...gf6?! 28.0-0-+; 27...Bf6?! 28.Nf6 gf6 29.0-0-/+) 28.Rd4 Nd4-+ (worse is 28...Qd4 29.Qd4 Nd4 30.Kd1-+)) 26...Nc6 27.f6 (27.Ra4 Qb5 28.Qa3 Bh2 29.Kh2 Qf1 30.Nd6 Rfb8-+) 27...Bd4 (better is 27...Nb4 28.Qf3 Rfe8-+) 28.Rd4 Qd4 (28...Nd4? 29.fg7 Kg7 30.Bb2+-) 29.Qd4 Nd4 30.fg7 Rfe8?? (better is 30...Rfb8 31.Bh6 f5 32.Nf6 Kf7 33.g8Q Rg8 34.Ng8 Rg8-+) 31.Nf6+= Kg7 32.Ne8 Re8 33.Bb2 Re4 34.Rd1 Kg6 35.Rd4 Rd4+= 36.Bd4 Kf5 37.Bc3 Ke4 38.Kf2 Kd3 39.Ba5 Kc4 40.Ke3 Kb5 41.Bd8 Kc4 42.g4 d5 43.Bb6 Kb5 44.Bd4 Kc4+= ½–½. Larter,Nick J (1780) – Onhor,Bold (1995), Leipzig VfB op, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d6 6.c3 Nc6)

    7.d5 Ne5 8.f4 Nd7 9.Be3 Ngf6 10.Nd2 e5 11.Qa4? a6 12.Ngf3 ef4 13.Bf4=+ Be7 14.e5 Nd5 15.ed6 Nf4 16.Qf4+= Bf6 17.Ne4 0-0= 18.Bd3 b5 19.0-0 Qb6 20.Kh1 Bb7 21.Qf5 Rad8 22.Nfg5 Bg5?? 23.Ng5+- g6 24.Qh3 h5 25.Ne6 fe6 26.Qe6= Kg7?? 27.Qg6 Kh8 28.Qh7# 1–0. Langschmidt,Dirk (2015) – Brylski,Nils, RSS7E easy–7, 2004.

    7.Be3 a6 8.Nf3=.

    7.Be3 Nf6 8.Nd2 (8.d5 Ne5 9.Ba7 Ned7+=) 8...e5 (better 8...d5!?=+) 9.d5+= Ne7 (9...Nb8+=) 10.Ra7 (10.Qb3 Nd7+=) 10...Ra7 11.Ba7 b6 (11...Qa5 12.Be3 Qc3 13.Bb5 Bd7 14.Qb1=) 12.Nc4 (better 12.Qb3!? Bd7 13.Bb6+-) 12...Ne4+= 13.Bb6 Qd7 14.Qb1?? (better 14.Ba5 f5 15.Bd3+=) 14...Nc3-+ 15.Qb3 (15.Qd3 Ned5 16.Ba5 Qf5-+) 15...Ned5 16.Ba5 (16.Be3 Qb7 (16...Ne3?! 17.fe3 Ne4 18.Ne5=+) 17.Qc2 Ne3 18.fe3 Qb4-+) 16...Qb7 (16...Qa4 17.Qa4 Na4 18.Nf3-+) 17.Nb6 (17.Qc2 Qb1 18.Qb1 Nb1-+) 17...Bd7 18.Bc4 (18.Nf3 Bc6 19.Bc3 Nc3-+) 18...Be6 (better 18...Nb6!? 19.Qb6 Qb6 20.Bb6-+) 19.Ne2 (19.Nf3 Nb6 20.Be6 fe6 21.Bb6 Nd5 22.Qa4 Kf7-+) 19...Ne2 (19...Nb6 20.Be6 Ne2 21.Bb6 fe6 22.Ke2-+) 20.Bd5 Bd5 21.Qb5? (21.Qd5 Qd5 22.Nd5 Nd4-+) 21...Qc6 (21...Bc6 22.Qe2 Bg2 23.Rg1-+) 22.Qc6? (22.Qd5 Nd4 23.Qc6 Nc6 24.Bd2-+) 22...Bc6 23.Ke2 Bg2 24.Rc1 Ke7 25.f3 (25.Rc7 Kf6-+) 25...Ke6 (better 25...g6!? 26.Nd5 Ke6 27.Rd1-+) 26.Rc8 g6 (26...f6 27.Nc4-+) 27.Re8 Kf5 28.Nd5 Bg7 (better 28...Bh1-+) 29.Rh8 (better 29.Ne3!? Kg5 30.Rh8 Bf3 31.Kf3 Bh8 32.Bd8 Kh5 33.Be7-/+) 29…Bh8 ½–½. Glinskas,Marius – Koliasnikovas,Denis, Panevezys Open C, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d6 6.c3 Nc6)

    7.Nf3 Nf6 8.d5 Nb8 9.Be3 a6 10.Bd3 Bg4 11.Nbd2 Nbd7 12.Qb3 Bf3 13.Nf3+= g6 14.Qb7+/- a5 15.Nd4 Nc5 16.Bb5+- Nfd7 17.Bd7 Nd7 18.Nc6 Qc8 19.Qb5 a4 20.Ra4 Bg7 21.Ra8 Bc3 22.Ke2 Qa8 23.Na7 0-0 24.Qd7 Re8 25.Rc1 Bg7 26.Nc8 Qa2 27.Kf3 Kf8 28.Nd6! Qa8 29.Ne8 (29.Ne8 Kg8 30.Rc8 Qc8 31.Qc8 Bf8 32.Nf6 ef6 33.Bh6 f5 34.Qf8) 1–0. pcmvr (2840) – rpatru (2180), net–chess.com, 2010.

    5.d4 e6

    6.Ba3 d5 7.c3 Nc6 8.Bf8 Kf8 9.e5 Nge7 10.Bd3 a6 (10...f6 11.ef6 gf6 12.Ne2+=) 11.Qf3 (11.Ne2 Nf5+=) 11...Bd7 (11...Qb6 12.Nh3 Qb2 13.Ra3 Qc1 14.Qd1 Qd1 15.Kd1-/+) 12.Ne2+= Na5 13.Nd2 Bb5 14.Bb5 ab5 15.Qd3 Nc4 16.0-0 g6 17.Rab1 Qd7 18.Nc4 bc4 19.Qf3 Nc6 20.Qf6 Rg8 21.Rb6 Nd8 22.Nf4 Qe7 23.Rfb1 Qf6 24.ef6 Ke8 25.g4 Kd7 26.Rb7 Nb7 27.Rb7 Kc6 28.Rf7 Raf8 29.Rf8 Rf8-+ 30.g5 Kd6 31.Ne2 e5 32.f4 ed4 33.Nd4-/+ Ra8 34.h4 Ra1 35.Kg2 Rd1 36.Kf3 Rd3 37.Kf2 Rh3 38.Kg2?? Rd3?? 39.Kf2= Rh3 ½–½. Wessels,Cornelis – Gant,C (2235), Guernsey Open, Guernsey GCI, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 e6)

    6.Na3 d5 7.c3=+ Nc6 (7...Nf6 8.cb4 Bb4 9.Bd2 Bd2 10.Qd2 Ne4 11.Bb5 Bd7 12.Bd7 Kd7 13.Qb4=) 8.Nb5= de4 (8...Nf6 9.Bf4 e5 10.Bg5=) 9.d5 (9.Bf4 e5 10.de5 Be6=) 9...ed5 10.Bf4 Be6 11.Nc7 Exerts pressure on the backward pawn 11...Kd7 12.Na8 Qa8 (12...Bd6 13.Bd6 Kd6 14.Ne2 Qa8 15.Nd4=) 13.Bb5= Bc5 14.Ne2 Nge7 15.c4 (15.0-0 Qd8=) 15...Bb4 (15...Kc8 16.cd5 Nd5 17.Bc6 bc6 18.Qc2=) 16.Kf1 (16.Bd2 Bd2 17.Qd2 Rd8=) 16...Rd8=+ 17.Qa4 (17.cd5!? Kc8 18.d6=) 17...a5-/+ (17...dc4? 18.Qb4 Ke8 19.Qa4+-) 18.cd5 Nd5 (18...Bd5!? 19.Qc2 Ke8-+) 19.Qc2=+ Nf4 (19...Ke7 20.Qe4 h6 21.Bc6 bc6 22.Kg1-/+) 20.Nf4 Ke7 21.Ne6 fe6 (worse 21...Ke6 22.Qe4 Kd7 23.Qh7+/-) 22.Bc6? (22.Qe4 Nd4 23.Bd3 h6=+) 22...bc6 (better 22...Qa6 23.Kg1 A) 23...bc6?! 24.Qe4 Qd3 25.Qh4 (25.Qc6?? Qd1 26.Rd1 Rd1) 25...Kf8 26.Qf4 Kg8 27.h4=+; B) 23...Qc6 24.Qc6 bc6-+) 23.Qe4=+ h6 (23...Qa6 24.Kg1 Qd3 25.Qh4 (25.Qc6?? Qd1 26.Rd1 Rd1) 25...Kf8 26.g3-/+) 24.h4 c5 25.Qg4 (25.Qe5 Kf7=+) 25...Kf7 (25...Bc3!? 26.Rd1 Rd1 27.Qd1 Qd5=+) 26.Rh3= Qa6 (26...Qd5 27.Rg3 Qe5 28.Rd1=) 27.Kg1+= Kg8 28.Qg6 (28.Rg3 Qb7+=) 28...Qe2 29.Rg3 (29.Re3 Qb2 30.Qe6 Kh8+=) 29...Qe5= 30.Rf1 a4 31.f4 (31.Qh6 a3 32.f4 Qe3 33.Re3 gh6 34.Re6 Kf7=) 31...Qd4 (31...Qc7 32.Qf6 Rd6 33.Qh6=) 32.Kh2+= a3?? (better 32...Rf8 33.Qh6 Qf6+=) 33.Rd1!!+- (33.Rd1 Be1 34.Rg4+-) 1-0. Bondarev,B1 (1920) - Kozak,A (2260), 6th Sochi Amateur Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4)

    6.c3 Na6 7.Nf3 Ne7 (7...Nc7 8.Bd3=) 8.Na3 Nc7 9.e5 Ng6 10.Nc4 d5 (10...Nd5 11.Qb3=) 11.ed6 Bd6 12.Qa4 b5 13.Nd6 Qd6 14.Qa5 (14.Bb5!? Nb5 15.Qb5 Qd7 16.Qd7 Kd7 17.h4=) 14...Bd7 15.Ba3 (15.h4 h5=+) 15...Qb6 (15...Qc6 16.Bc5-/+) 16.Bc5 (16.Qb6 ab6 17.Kd2 Nd5=) 16...Qa5-/+ 17.Ra5 a6 18.Kd2 (18.h4 Nd5 19.c4 bc4 20.Bc4 Ndf4=+) 18...Bc6-/+ 19.Bd3 Kd7?? (better 19...Bf3 20.gf3 Kd7-/+) 20.Bg6+= Bf3 21.Bf7 Bd5 22.Bh5 (better 22.f3!?+=) 22...g6=+ 23.Bf3 Bf3 24.gf3 Kc6 25.Rha1 (25.Re1 Rhe8=+) 25...e5-/+ 26.c4 ed4 27.Bd4 Rhd8 (worse 27...bc4 28.Bh8 Rh8 29.R1a4+=) 28.Ke3 Re8 29.Kd3 Rad8 (29...Kd7!?=+) 30.Ra6 Na6 31.Ra6 Kb7 32.cb5 (32.Rb6 Kc7 33.Rb5 Rd7 34.Rc5 Kd8=) 32...Ra8 (32...Rd5 33.Kc4 Rh5 34.Ra7 Kb8 35.b6=) 33.Rb6 Kc7 34.Rf6 Rf8 35.Rc6 Kb7 36.Ke4 Rae8 37.Kd3 (37.Be5 Rf5 38.Rc5 Kb6=+) 37...Rf3-/+ 38.Be3 Rf5 (38...Rh3 39.Rb6 Kc7 40.Rf6-/+) 39.Rb6=+ Kc7 40.Rc6 Kb7 41.Ra6 (41.Rb6 Kc8=+) 41...Ra8 (41...Rb5 42.Ra7 Kc6 43.Rh7 Rd5 44.Kc4 Re4 45.Kc3-/+) 42.Rd6 (42.Rb6!? Kc8 43.Rc6 Kd7 44.Ra6=+) 42...Rb5-/+ 43.Rd7 Kc6 44.Rh7 Ra3 45.Ke4 Rf5 46.f4 Rf8 47.Re7 Ra4 48.Kd3 Kd6 (48...Rd8 49.Kc3-/+) 49.Re5 Raf4 (49...Rb8!?-/+) 50.Bf4= Rf4 51.Rg5 Rf6 52.Ke4 Ke6 ½–½. Yousry,Salah (2265) – Darwish,Refaat (2060), Egypt Open, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 e6)

    6.c3 Qc7?? 7.cb4+- Bb4 8.Bd2 Bd2 9.Nd2 Nf6 10.Rc1 Qa5 11.Bd3 0-0 12.Ngf3 d6 13.0-0 Bd7 14.Nc4 Qc7 15.e5 de5 16.de5 Nd5 17.Bh7?? Kh8?? 18.Ng5 g6 19.Qg4 Kg7 20.Nd6 Qd8 21.Ngf7 (21.Ngf7 Ne7 22.Nd8 Rad8 23.Qg5+-) 1–0. pcmvr (2840) – alaamattar (2160), net–chess.com, 2010.

    6.d5 Qf6 7.Ra3 (better 7.c3=) 7...ed5-/+ Black is in command 8.Nc3 (8.ed5 Qf5 9.Re3 Ne7-/+) 8...Bc5-+ Threatening mate: Qxf2 9.Nf3? (9.Qe2 d4 10.Nd5 Nd5 11.ed5 Ne7-+) 9...Ne7 (better 9...de4!? 10.Ne4 Qe7 11.Re3 Be3 12.Nd6 Kd8 13.Be3 Nc2 14.Qc2 Qd6 15.Bc4-+) 10.ed5 (10.Rb3 a5-+) 10...Qg6 11.Ra4 Nc2 12.Ke2 Nb4 13.h4 (13.Bg5-+) 13...d6?? (13...Qf5 14.Bb2-+) 14.h5? (14.Rb4!? Bb4 15.Qa4 Nc6 16.dc6-/+) 14...Qf5 (14...Qf6 15.Ne4 Qf5 16.Rb4 Bb4 17.Qa4 Nc6 18.Nf6 gf6 19.dc6-+) 15.Rh4? (better 15.Rb4 Bb4 16.Qa4 Bd7 17.Qb4 Nd5 18.Nd5 Qd5 19.Ke1-/+) 15...Ned5 16.Nd5 Nd5 (16...Qd5?! 17.Rhb4 Qd1 18.Kd1 Bb4 19.Rb4-/+) 17.Rae4 Be6 18.Qa4 Kf8 19.Bb2 Nf6 20.Ref4 (20.Rhf4 Ne4 21.Rf5 Bf5 22.h6-+) 20...Qb1 21.Qb5 (21.Rb4 Re8 22.Be5 Bb4 23.Rb4 Qa2 24.Qa2 Ba2 25.Rb7 Bd5 26.Ra7 Nh5-+) 21...Qc2 22.Nd2 Re8 23.Kf3 Qd2 24.Kg3 g6 (24...g6 25.Bf6 Rg8-+; better 24...Bd7 25.Qb7 Bc8-+) 0–1. Svicevic,Rastko (2290) – Andrijevic,Milan (2270), Belgrade Premier League, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 e6)

    6.d5 Nf6 7.c3 Ne4 A) 8.cb4? Qf6 (8...Bb4?! 9.Bd2-/+) 9.Qf3 Bb4 (9...Qa1?! 10.Qe4 f5 11.Qc2-+) 10.Ke2 Qe5-+ (10...Qa1?! 11.Qe4 Qa6 12.Qd3-+); B) 8.de6=+.

    6.Nf3 d5 7.e5 Qc7 8.c3 Nc6 9.Bb2 Nge7 10.Bd3 a6 11.Nbd2. alaamattar (2160) – chessleon (2005), net–chess.com, 2010.

    6.c3 Nc6

    7.Na3 Qa5?? 8.Nb5+/- Qa1 9.Nc7 Ke7?? (better is 9...Kd8 10.Bg5 Kc7 11.Qa1 d5+/-) 10.Bg5+- f6 11.Qa1 fg5 (11...Rb8 12.Be3 b6 13.Bb5+-) 12.Na8 Kd8 (12...Nf6 13.e5 Nd5 14.Nf3+-) 13.d5 Nce7 14.Nf3 Ng6 (14...ed5 15.Qa7 Ke8 16.Ng5+-) 15.Qa5 b6 16.Qa7 Bd6 17.Nb6 N8e7 18.Bb5 Ne5 19.Ne5 Be5 20.Nc8 Ke8 21.Qd7 Kf7 22.Qe6 Kf8 23.Qe7 (23.Qe7 Kg8 24.Qe8) 1–0. marekt – Tradesmen, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6 4.ab4 Nb4 5.d4 e6 6.c3 Nc6)

    7.Na3 Qa5?? 8.Nb5+/- Qb6 9.Be3 (9.Bf4 e5 10.de5+/-) 9...d5? (better is 9...Nb8+=) 10.ed5+- ed5 (10...Nce7 11.de6 Nf5 12.Qa4+-) 11.Bf4 a6?? (11...Kd7 12.Bc7 Qc7 13.Nc7 Kc7+-) 12.Bc7 (12.Bc7 Qb5 13.Bb5+-) 1–0. pierred (2755) – chessleon (2005), net–chess.com, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 e6 6.c3 Nc6)

    7.Na3 a6 8.Nb5 h6 9.Bf4= d6 10.Nf3 Be7 11.d5 e5 12.Be3 Nb8 13.Bd3 Bd7 14.Qb3 Nf6? 15.h3 0-0 16.c4 Ne8 17.0-0 Bb5 18.cb5 Nf6 19.b6 Nbd7+= 20.Rfc1 Rc8 21.Rc8 Qc8 22.Rc1 Qb8 23.Rc7 Rc8 24.Qc3 Rc7=+ 25.Qc7 Kf8 26.Nd2 Bd8 27.Qb8 Nb8 28.Nc4 Ke7 29.Na5 Nfd7-/+ 30.Nb7 f6 31.Nd8= Kd8 32.Kf1 Kc8 33.Ke2 Kb7 34.h4 Nb6 35.g4 a5 36.Kd2 Na4 37.Bc2 Nc5 38.f4 Nba6 39.Kc3=+ Nd7 40.Kc4 Nb4 41.Bb3 Na6 42.Kb5 Nac5=+ 43.Bc2 a4 44.Ba4 Ne4 45.Bc2 Nec5 46.Bf5= ef4 47.Bf4 Kc7 48.Be3= Nb7 49.h5 ½–½. gregorgysi (2225) – capacuba (2250), net–chess.com, 2010.

    7.Na3 a6 8.d5 Na5 9.Qa4 b5 10.Bb5 Ba3 11.Ra3 ab5 12.Qb5 Nf6 13.f3 0-0 14.d6 Ne4! 15.fe4 Qh4 16.Kd1 Ba6 17.Qg5 Qf2 18.c4 Qf1 19.Kc2 Qc4 20.Rc3 Qa4 21.Kd2 Qd4 22.Kc2 Nb3!! 23.Bb2 Rfc8 24.Nf3 Qe4 (24...Qe4 25.Kb3 Bc4 26.Kb4 Rcb8 27.Kc5 Rb5; 24...Qd3 25.Kb3 Bc4 26.Kb4 Qd6 27.Qc5 Qc5) 0–1. Korostenski,Frank (2040) – Dibley,Shane (2285), IECG, 2009.

    7.Na3 a6 8.Bf4 d5 9.Nb5 ab5? 10.Ra8+- b4 11.ed5 ed5 12.Bb5 Nge7 13.Qa4 Qd7 14.Nf3 Ng6 15.Bc6 bc6 16.Qa6 Nf4?? 17.Rc8 Ke7 18.Ne5 Ng2 19.Kf1 Qh3 20.Qb7 Kf6 21.Qf7 Kg5 22.Rg1 (22.Rg1 Bd6 23.Rh8 Be5 24.Rg2 Qg2 25.Kg2 Bd6 26.Qg7 Kf5 27.Qf7 Kg5 28.Rg8 Kh6 29.Qe6 Kh5 30.Qh3; 22.Rf8?! Nf4 23.Ke1 Qc3 24.Kd1 Qd4 25.Kc2 A) 25...Qe5? A1) 26.Rh8 Qe4 27.Kb3 Qc4 (27...Qh1 28.Qg7 Ng6 29.Rh7+=) 28.Ka4 Qa2 29.Kb4 Nd3 30.Kc3 d4 31.Kd3 Qf7 32.Rg1 Kh6-+; A2) 26.Rg1 Kh6 27.Qf4 (27.Rh8 Qe4 28.Kb3 Qc4 29.Ka4 Qa2 30.Kb4 Nd3 31.Kc3 d4 32.Kd3 Qf7-+) 27...Qf4 28.Rf4+-; B) 25...b3 26.Kb3 Qb6 27.Kc3 Qc5 28.Kb3 Qb5 29.Ka3 Qa5 30.Kb3 Qb6 31.Ka4 Qb5 32.Ka3 Qa5 33.Kb3 Qb6=) 1–0. Mycroft,R (2140) – Dossett,C (1960), Open, Blackpool ENG, 2008.

    7.Na3 d5 8.Nb5 a6 9.Bf4= e5 10.de5 Be6? 11.ed5+- ab5 12.Ra8 Bd5?? 13.Rd8 (13.Rd8 Nd8 14.Qd5+-) 1–0. pcmvr (2840) – chessleon (2005), net–chess.com, 2010.

    7.Na3 d5 8.ed5 Qd5 9.Nb5 a6?? 10.Nc7+- (10.Nc7 Kd8 11.Nd5 ed5 12.Qb3+-) 1–0. gregorgysi (2195) – mgoodrich (2080), net–chess.com, 2010.

    7.Na3 Bd6 8.Nb5= Bb8 9.d5 Ne5 10.f4 Ng6 11.d6 Qb6 12.f5 Nf8 13.Ra4 Nf6 14.e5 Nd5 15.c4 Ne3=+ 16.Qd3 Nf1 17.Kf1 ef5 18.Qf5 Ne6 19.Nf3 0-0 20.h4 f6-/+ 21.h5 fe5 22.Qe5 Qc5 23.Qc3 Bd6?? 24.Nd6?? Qd6-+ 25.Kf2 Nc5 26.h6 Ne4 (26...Ne4 27.Ke3 Nc3-+) 0–1. gregorgysi (2200) – vampirex (2245), net–chess.com, 2010.

    7.Na3 Be7 8.d5= ed5 9.ed5 Bf6 (better is 9...Nb8!?=) 10.Nb5+/- (worse is 10.dc6 Bc3 11.Bd2 Ba1 12.Qa1 Nf6= (12...bc6? 13.Qg7 Qe7 14.Be2 Qa3 15.Qh8+-)) 10...Qe7? (better is 10...Ne5!? 11.Ba3 Qb6+-) 11.Ne2+- Nd8? (11...Kd8 12.Be3 Bh4 13.Bb6 ab6 14.Ra8 Qc5+-) 12.Ba3 d6 13.Nd6 Kd7 14.Qa4 Nc6 15.dc6 bc6 16.0-0-0 Bg5 17.Nf4 (better is 17.Kc2 Bd2 18.Ne4 Qa3 19.Qa3 Ne7+-) 17...Bf4 (17...Qe6 18.Nb5 Qd5 19.Rd5 cd5 20.Nd6 Kd8 21.Nf7 Kc7 22.Bd6 Kb7 23.Qa6) 18.Qf4 Qe6 19.Nf7 (19.Nb7 Qd6 20.Qd6 Ke8 21.Qf8) 19...Ke8 (19...Qd5 20.Rd5 cd5 21.Bb5 Ke6 22.Re1) 20.Rd8# 1–0. pierred (2755) – alaamattar (2160), net–chess.com, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 e6 6.c3 Nc6)

    7.Na3 Nf6 8.d5 ed5 9.ed5 Ba3 10.Ra3 Ne5 11.f4 Ng6 12.Qe2 Qe7 13.d6 Qe2 14.Ne2 0-0 15.Nd4 b6 (15...Re8 16.Be2+=) 16.Be2 (16.Nb5 Nd5=) 16...a5 17.h4 h5 18.Nb5 Bb7 19.Nc7 Rab8 20.f5 Ne5 (worse is 20...Bg2 21.Rh2 Be4 22.fg6 Bg6 23.Bb5+/-) 21.0-0 Ne4 22.Bf4 f6 23.Rd1 Bc6 24.Bh5 Nc4 25.Raa1 b5 (25...Nc3? 26.Rdc1+-) 26.Rd4 (26.Rd3 a4+=) 26...a4 (26...Nc3!? 27.Rc1 Na4-/+) 27.Rc1 Ne5 28.Kh2 (28.Be2 Rfc8 29.Bb5 Nd6 30.Bc6 dc6=) 28...Kh7 (28...Rb7 29.Nd5 Bd5 30.Rd5+=) 29.Na6 (29.Be2!?=) 29...Rbc8 30.c4 (30.Be2 a3 31.Nb4 Ba8+=) 30...bc4-/+ 31.Bf3 Nd3 32.Rc2 Nf4 33.Be4 Be4 34.Re4 Nd3 35.Rec4 Rc4 36.Rc4 a3 37.Rc3 Ra8 38.Ra3 Nb4! 39.Ra4 Na6 40.g4 g6 41.fg6 Kg6 42.h5 Kh6 43.Ra5+= Kg7 44.Kg3 Kf7 45.Kf4 Ke6 46.Ra3 Kd6 47.Kf5 Ke7 48.Kg6 Kf8 ½–½. Mastronardi,Donato (2015) – Vecek,Marjan (2210), DJ–CT18/pr13, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 e6 6.c3 Nc6)

    7.Na3 Nf6 8.d5 Ne5 +=.

    7.Bd3 a6 8.f4 d6 9.Nf3 Nf6 10.0-0 Be7 11.Ra2 Qc7 12.Ng5 e5 13.d5 Na5?? (better is 13...Na7+=) 14.Qa4+- Nc6 15.dc6 bc6 16.fe5 de5 17.Ba3 h6 18.Nf3 0-0 (18...Be6 19.Rd2+-) 19.Be7 Qe7 20.Qa5 Re8 21.Re2 Bb7 22.Nbd2 Rad8 (22...Qd8 23.Qd8 Rad8 24.Bc4+/-) 23.Bc4+- (23.Ba6 Ra8 24.Qe5 Qe5 (24...Ra6?! 25.Qe7 Re7 26.e5=; 24...Ba6?! 25.Qe7 Re7 26.c4=) 25.Ne5 Ba6-/+ (25...Ra6?! 26.Nef3+=)) 23...Nh5? (23...c5 24.Ne1+- (24.Ba6 Ra8 25.c4 Ra6-/+)) 24.g3 (better is 24.Ne5 Qe5 25.Qe5 Re5 26.Rf7+-) 24...Bc8 25.Nh4 Be6 26.Be6 (worse is 26.Qa6 Qc5 27.Kh1 Ra8 28.Be6 Ra6 29.Bf7 Kh8 30.Be8 Nf6+-) 26...Qe6 27.Nf5 Rb8 28.Ref2 Nf6 29.Nh6! Kh7 30.Qa6?? Kh6= 31.Qe2 Rb2 32.Qe3 Kh7 33.Nf3 Kg8?? 34.Rb2+- 1–0. Zala,Gyula (2100) – Lippner,Gyorgy, HUN–chT2 Erkel, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 e6 6.c3 Nc6)

    7.Bd3 Be7 8.f4 (8.Nf3 d6=) 8...d6 (8...d5 9.Ba3=+) 9.Nf3 Qb6 10.Nbd2 a6 11.0-0 Bd7 12.Kh1 (12.Qe1 Nf6=) 12...Nf6 13.Qe2 White prepares e5 13...0-0 14.Ba3 Qc7 15.c4 Kh8 (15...Rfc8 16.d5 Nd8 17.e5=) 16.d5 Na7 17.e5 Ng8 (17...Ne8 18.Qe4 g6 19.ed6 Nd6 20.Qe5 f6 21.Qe1+=) 18.Ng5 (18.de6 fe6 19.Qe4 Rf5 20.ed6 Bd6 21.Bd6 Qd6+-) 18...h6 (18...ed5!? 19.cd5 f5+=) 19.Nge4 Nc8 (19...de5? 20.d6 Qd8 21.de7 Ne7 22.fe5+-) 20.c5 Qb8 (better 20...dc5 21.d6 Nd6 22.Nd6 Bd6 23.ed6 Qd6+-) 21.cd6 Bd8 (21...ed5 22.de7 Nce7 23.Nd6+-) 22.Nc5 Nb6 23.de6 Be6 (23...Bc6+-) 24.Ne6 fe6 25.Qe4 (25.Qe4 Rf5 26.g4+-) 1-0. Borovicka,B (1960) - Cieply,Krzysztof, 2nd Bohumin Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4)

    7.Bd3 Nf6 8.f4 (8.Nf3 Be7=) 8...Be7 (8...d5 9.Nd2=+) 9.Nf3 Qc7 (9...0-0 10.0-0=+) 10.0-0 a6 (10...0-0 11.Na3=) 11.Qe1 (11.Na3 Rb8=) 11...d6 (11...0-0 12.Bd2=+) 12.Ra2 (12.Na3 Rb8=) 12...Bd7 (12...0-0 13.c4 a5 14.e5=) 13.e5 (13.c4 d5 14.e5 Nb4 15.ef6 Nd3=+) 13...Nd5 14.Bd2 de5 15.fe5 h6 (15...f5 16.ef6 gf6 17.Na3=+) 16.Be4 (16.Qg3 0-0-0 17.Na3 h5=) 16...b5 (16...0-0 17.c4 Nb6 18.Bd3=) 17.Qg3 g5 (17...Kf8 18.Na3 Ra7 19.Nc2+=) 18.Bd5+= ed5 19.e6 Qg3 (19...Be6 20.Qc7 Discovered attack; 19...fe6 20.Qc7 Discovered attack) 20.ed7 (20.hg3? Be6 21.Na3 0-0-+) 20...Kd7 21.hg3 f6 (21...a5 22.g4+=) 22.Na3+- h5 (22...Bd6 23.g4+-) 23.Nc2 Bd6 24.Ne3 Ne7 25.Ne1 Ke6 (25...Rhf8 26.g4 hg4 27.Ng4+-) 26.Nd3 Rhc8 (26...a5 27.Rb1+-) 27.Be1 (27.g4 h4 28.Rfa1+-) 27...a5 (27...Rh8!? 28.g4 hg4 29.Ng4+-) 28.Re2 Kf7? (28...Kd7 29.g4 h4 30.Rf6 a4+-) 29.Ref2 Ng8 (29...Kg7 30.Rf6 Bf4 31.Nf4 (31.gf4?! Kf6 32.fg5 Kg7+-) 31...gf4 32.R6f4+-) 30.Nd5 Bg3 (30...Ra6 31.Rf5 a4 32.Nf6 Nf6 33.Rf6 Ke7+-) 31.Rf6 Nf6 32.Rf6 Kg7 33.Bg3 1–0. Zala,Gyula (2250) – Timar,Zsolt (2250), Csernyi Miklos Memorial, 1992. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 e6 6.c3 Nc6)

    7.Nf3 Nf6 8.Bd3 d6 9.0-0 Ng4 10.h3 Nf6 11.c4 e5 12.d5 Ne7 13.c5 Ng6? 14.Bb5+- Ke7?? 15.cd6 Qd6 16.Ba3 Qa3 17.Na3 Ne4 18.Nc4 f6 19.d6 Kd8 20.d7 Nc3 21.dc8Q Kc8 22.Qd7 Kb8 23.Qd8# 1–0. pcmvr (2840) – ditto (2035), net–chess.com, 2010.

    5.d4 g6

    6.Ra4 Na6 7.Bc4 Bg7 8.Nf3 d6 9.Qe2 Nc7 10.Nc3 a6 11.Ra2 b5 12.Bb3 Nf6 13.0-0 0-0 14.Rd1 h6 (14...b4 15.Na4-/+) 15.e5+= Nh7 16.Nd5 Nd5 17.Bd5 Rb8 18.Bf4 e6 19.Be4 d5 20.Bd3 Qb6 21.h4 h5 22.Qe3 b4 23.Ng5 (23.Rda1 Ra8+=) 23...Ng5 24.Bg5 Re8 25.g4 (25.Rb1!?=) 25...hg4-/+ 26.h5 gh5 27.Bf6 Bb7?? (better is 27...Kf8 28.Qg5 Bf6 29.ef6 Rd8+=) 28.Qg5 (28.Qg5 Qd4 29.Qg7) 1–0. Craft,Isaac (2005) – Bansal,Rohan (1835), Ascot ENG, e2e4 Open July, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 g6)

    6.c3= Nc6 7.Bc4 Bg7 8.Qf3 e6 9.Nh3 Nge7 10.e5 0-0 11.Bg5 d6 12.ed6 Qd6 13.Nd2 Nf5 14.Ne4 Qc7 15.Bd3 b6 16.0-0 Bb7 17.Rac1 h6 18.Bf6 Nce7 19.Bg7 Kg7 20.g4 Rac8 21.Rfe1 Ng8 22.Nf4 Nd6 23.Qg3 Ne4 24.Be4 Be4 25.Re4 Rfe8 26.Re3 Nf6 27.g5 Nd5 28.gh6 Kh7 (28...Kh6 29.Re5 Nf4 30.Qf4 Kg7 31.Qe3-/+) 29.Nd5 Qg3 30.hg3 ed5 31.Rce1 (31.Re8 Re8 32.c4 Rc8-/+) 31...Re3 32.Re3 Kh6 33.f4 a5-+ 0–1. Berry,Francis Jonathan – Povah,Nigel Edward, NATT1–01, 1981. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 g6)

    6.c3= Nc6 7.d5 Na5 8.Qd4 f6 9.Qa4 b6 10.Nf3 Bg7 11.Nd4 Kf7 12.Na3 Nh6 13.Nc4 Nc4 14.Bc4 Re8 15.d6+/- e6 16.Nb5 Bb7 17.Nc7 Be4 18.Bb5 Bg2 19.Bd7 Bh1 20.Be8 Kg8 21.Na8 Qd6 22.Bh6 Bh6 23.Qd7 Qc5? 24.Bf7 Kh8 25.Qd8 Bf8 26.Qf6 Bg7 27.Qd8 1–0. Kirch,Fritz (2275) – Zens,Rolf (2035), remoteschach.de, 2006.

    6.c3= Nc6 7.d5 Na5 8.Qd4 Nf6 9.Nd2 Bh6 10.Ngf3 0-0 11.e5 Ne8 12.Qh4 Bg7 13.d6 (13.Ba3!? f6 14.Bb4=) 13...Nc6= 14.Ne4 (better is 14.de7!? Ne7 15.Ba3=) 14...ed6-/+ (14...Ne5? 15.de7 Nf3 16.gf3+-) 15.Bg5 (15.Qd8 Nd8 16.Ba3 de5 17.Bf8 Kf8-/+) 15...Qc7 16.Bf6 (16.ed6 Nd6 17.Bf4 Ne5-+) 16...d5 (16...de5!? 17.Bg7 Kg7 18.c4-+) 17.Bg7 Kg7 18.Nf6 h6 (better is 18...Ne5 19.Nd5 Nf3 20.gf3 Qc6 21.Qd4 Nf6-+) 19.Nd5+= Qd8 (better is 19...Qb8+=) 20.Qd8+/- Nd8 21.Nb6 Rb8 22.Ra7 Nc6 23.Ra4 d6 24.ed6 Nd6 25.Bd3 Re8 26.Kd2 Be6 27.Rha1 Rbd8 28.Kc2 Bf5 29.Bf5 Nf5 30.R1a2 Re2 31.Kb3 Ra2 32.Ra2 Rd1 33.Kc4 Nd6+= 34.Kb3 Rb1 35.Rb2 Rb2 36.Kb2 Ne4 37.Nd7 Nf2 38.Nc5 b6 39.Nd7 b5 40.Kb3 Nd3 41.Kc2 Nf4 42.g3 Nd5 43.Kd3 Nc7 44.Nd4 Nd8 45.Kc2 g5 46.g4+= Nde6 47.Nf5= Kh7 48.Ne5 f6 49.Nf7 h5 50.gh5 Nf4 51.Ng3 Kg7 52.Nd6= Nfd5 53.Kd3 g4 54.Kd4 b4 55.c4 Nf4= 56.c5 Nfe6 57.Kc4 b3 58.Nde4 b2 59.Nc3 Kh6+= 60.Nge4 f5-/+ 61.Nd2 Kh5 62.Nd5?? f4 63.Nc7 Nc7 64.Kd3 Kh4 65.Ke4 g3 66.Kf3 Kh3 67.hg3 fg3 0–1. Busson,Benoist (2085) – Ferrero,Patrick (2030), Provence–ch, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 g6)

    6.c3= Nc6 7.d5 Na5 8.Nf3 =.

    6.c3 Na6

    7.Qa4 Nf6 8.e5 Nd5 9.Bd3 =.

    7.Qa4 Bg7 8.Nf3= Nf6 9.Nbd2 (9.e5 Nd5 10.Qb3 Nb6=) 9...Nc7 (9...0-0 10.Qb3+=) 10.Bb2 (10.e5 Nfd5=) 10...b5 11.Qb3 (11.Bb5? Rb8 12.e5 Nh5-+ (12...Nb5?! 13.c4 Nc7 14.ef6 Bf6 15.Bc3+=; 12...Rb5?! 13.ef6 Bf6 14.Ba3-/+)) 11...0-0 12.Bd3 (12.Bb5?? Rb8 13.c4 a6-+) 12...a6 (12...d5 13.0-0+=) 13.0-0 (13.e5 Nh5 14.0-0 d5 15.ed6 ed6+=) 13...Rb8 (13...d5 14.Ng5+=) 14.e5 (14.c4 Bb7 15.c5 Ne6+=) 14...Nfd5+= 15.Ne4 (15.Be4 Bb7+=) 15...Nf4 16.Bc2 Bb7 17.Nc5? (better is 17.g3 Nfe6 18.Bd3-/+) 17...Bf3-+ 18.gf3 d6 19.ed6?? (better is 19.Nd3 Nd3 20.Bd3 de5 21.Be4-+) 19...ed6 20.Ne4 (20.Kh1 dc5 21.Rad1 cd4 22.cd4 Re8-+) 20...Qd7 (better is 20...Qh4 21.Bc1 (21.Nd6?? Qg5 22.Kh1 Qg2) 21...Nce6 22.Qe6 Ne2 23.Kg2 fe6 24.Bd3 Nc3 25.Nc3 Bd4 26.Ra6 Bc3 27.h3-+) 21.Bc1 Ncd5 22.Bf4 (22.Ng5 h6 23.Kh1 hg5 24.Be4-+) 22...Nf4 (22...Nf4 23.Ng5 h6-+) 0–1. Bigras,Jean – Van de Heuvel,T (1885), Quebec CAN, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 g6 6.c3 Na6)

    7.Bc4 Qb6 8.Qf3 Qf6 9.Qe2+/- Bh6 10.Ba3 d6 11.Bb5 Kf8= 12.h3 Nc7 13.Bd3 Qg5 14.g3 Nf6 15.c4 Qa5=+ 16.Kf1 Qh5 17.Qc2 Ne6 18.Bb2= Ng5?? 19.Kg2 Bh3 20.Nh3 Qf3 21.Kg1 Nge4 22.Be4 Ne4 23.Ra3 Qf5 24.Qd3 d5 25.cd5 Qd5 26.Nc3+/- Nc3 27.Bc3 Kg7 28.Ra5+/- Qd6 29.Kg2 Rhc8 30.d5 Kg8 31.Qd4+- f6 32.Re1 e5+/- 33.de6 Qd4 34.Bd4 Bd2 35.Raa1 Be1 36.Re1 f5 37.Nf4 Rc4+= 38.Ba7 b5? 39.Nd5+- Ra7 40.e7 Re7 41.Re7 b4 42.Rb7 h5 43.Nf6 Kf8 44.Nd7 Ke8 45.Ne5 (45.Ne5 Rc3 46.Rb8 Ke7 47.Ng6 Kf7 48.Nf4+-) 1–0. Roberts,P (2200) – Hamperl,F (2000), 31st Guernsey Open, Cobo Bay GCI, 2005.

    7.Bc4 Nc7 8.Nf3 Bg7 (8...d5 9.ed5 b5 10.Bd3=) 9.Qb3 e6 10.Ba3 (10.Bg5 Ne7=) 10...d5 11.ed5 (11.Bd3 de4 12.Be4 Nd5=) 11...ed5+= 12.Bb5 (12.Bd3 Ne7+=) 12...Nb5 13.Qb5 Qd7 14.Qb3 Qe6 15.Kd1 Qc6 16.Re1 Be6 17.Ne5 Be5 18.Re5 f6?? (better is 18...Nf6-/+) 19.Re6+= Qe6 20.Qb7 Rc8 21.Ra2?? (21.Qg7 Qg4 22.Kc2 Qe4 23.Kb3+-) 21...Kd8?? 22.Qg7+- Qd7 23.Qh8 Kc7 24.Bc5 Ra8 25.Nd2 a5 26.c4 dc4 27.Nc4 Qf7 28.Rc2 a4 29.Ba3 Kd8 30.Nd6 Qb3 31.Kd2 Qd5 32.Qg7 Qd4 33.Ke2 Qg4 34.Ke1 Qe6 35.Re2 (35.Re2 Qe2 36.Ke2+-) 1–0. Sale,Srdjan (2415) – Deur Saric,Zrinka (2110), Zagreb CRO, Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

    7.Bc4 Bg7 8.Qf3 (8.Nf3 d5 9.ed5 Nf6 10.Qa4 Nd7 11.Ba6 ba6+=) 8...e6 (8...d5 9.ed5 Nf6 10.d6=) 9.e5= Nc7 10.Nd2 d5 (better is 10...Ne7!?=) 11.ed6+/- Qd6 12.Ne4 Qc6 13.Bf4 (better is 13.Ra6! ba6 14.Nf6 Nf6 15.Qc6 Bd7 16.Qc7+/-) 13...Ne7= 14.Nd6 Kf8 15.Qc6 Nc6 16.Nf7 Kf7 17.Bc7 Bd7 18.Nf3?? (better is 18.Rb1 b6 19.Ba6=) 18...Rhc8-/+ 19.Bd6 Nd4 20.cd4 Rc4 21.0-0 h6 22.h4 Bc6-+ 23.Ne5 Be5 24.Be5 a5 25.Ra3 b5 26.h5 gh5 27.Rh3 Rg8 28.f3 Rc2 29.Rf2 Rf2 30.Kf2 b4 31.Rh5 Kg6 32.g4? Rf8 33.f4 a4 34.Ke3?? a3 35.Bd6 a2 36.Bf8 a1Q (36...a1Q 37.Bb4 Qc1 38.Kd3 Bd5 39.Rd5 ed5-+) 0–1. Bezgodov,Alexei (2480) – Gundavaa,Bayarsaihan (2515), Khanty–Mansiysk RUS, World Blitz Ch, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 g6)

    7.Bf4 Bg7 8.Na3 d6 9.Qb3 Nc7 10.Nc4 (10.Bc4 Be6=) 10...b6 11.Nf3 Bd7 (better is 11...b5 12.Ncd2 a6+=) 12.Bd6+/- Be6 13.Be5 (13.Bg3 Nf6 14.Ng5 0-0+/-) 13...f6 (better is 13...Be5!? 14.d5 Bf4 15.de6 Ne6=) 14.Bc7 Qc7 15.d5 Bf7 (15...Bd7 16.Ra6+/-) 16.Qb5 Kf8 17.Nd4 f5 18.Qb6! Qd7 (18...ab6 19.Ne6 Double attack; 18...Qb6 19.Nb6 Combination) 19.Qc6 (19.Qc5 Qb7 20.f3 Nf6+-) 19...Qc6+/- 20.dc6 Rc8 21.e5 (21.ef5?! Rc6 22.Ra4 Bd4 23.cd4 gf5+/-) 21...Bd5 (21...Bc4 22.Bc4 Be5 23.Ne6 Kf7 24.Ra7 Bc3 25.Ke2+-) 22.Ra6 (22.Ra7 Bc4 23.Bc4 Be5 24.Ne6 Kf7+-) 22...Nh6 (better is 22...Bc4 23.Bc4 Be5 24.Ne6 Kf7 25.Nd8 Kg7+-) 23.f4 Nf7 (23...Rc7 24.Ne3 Bf7 25.Nb5+-) 24.Ra7 Bh6 (24...Bc4 25.Bc4 Be5 26.fe5 Ne5+-) 25.Nb6 (25.Nb6 Rc6 26.Nd5+-) 1–0. Tofte,Sondre Waage (2005) – Hindenes,Andreas Kringe, NOR–ch qual–A, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 g6 6.c3= Na6)

    7.h4 h5 8.Bc4 Bg7 9.Qf3 e6 10.e5 Nc7 11.Ba3 Bf8 12.Bd6+= Nh6 13.Nd2 f5 14.Qg3 Rg8 15.Nh3 Nf7 16.Be2 Rg7 17.c4 Na6 18.0-0 Nd6 19.ed6 Qf6 20.Nb3 Nb4 21.Qf4 Nc6 22.c5 Rh7 23.Ng5 Bh6?? 24.Nh7+- Bf4 25.Nf6 Kf7 26.Nh7 Nb8 1–0. Charochkina,D (2390) – Orlyanskaya,D (2090), 17th ch–EU U18 Girls, Sibenik CRO, 2007.

    7.h4 h5 8.Nf3 Bg7 9.Bd3 Nh6 10.Bf4 0-0 11.Qd2 Ng4 12.Qa2 d6 13.0-0 Nc7 14.Rd1 Ne6 15.Bg3 Kh8 16.Bc2 Qc7 17.Re1 Bd7 18.Bb3 a6 19.e5 de5 20.Ne5 Ne5 21.Be5 Be5 22.Re5 Kg7 23.Qe2 Rae8 (23...b5 24.Qe3+=) 24.Bc4 Nf4 25.Qf1 (25.Qe4 Qc4 26.Qf4 f6-/+) 25...e6 (25...f6 26.Rc5 Qd8 27.Rca5-/+) 26.Rg5 (26.g3 Nd5+=) 26...Rc8 27.Be2 Bc6 28.Bd1 (28.g3!? f6 29.Rga5 Ne2 30.Qe2-/+) 28...f6 29.Rg3 Bb5 (29...Qb6 30.Bf3 Qb2 31.Na3-+) 30.Qe1-/+ Rfe8 31.Na3 Bd3 32.Qd2 Bf5 33.Nc2 Kh7 34.Ne1 Rcd8 35.Bc2 Bc2 36.Qc2 Qc4 37.Kh2 Qe2 38.Qb3 Qf2 39.Qb7= Kh6 40.Qf3 Qf3 41.Rf3 Nd5 42.Ra6 f5 43.c4 Nf6 44.Rd3 Re7 45.Nf3 Ng4 46.Kg1 e5 47.Rb3 e4-/+ 48.Ne5?? Re5-+ (48...Re5 49.Rbb6 Rd4 50.Rg6 Kh7-+; 48...Ne5?! 49.de5 Re5 50.Rbb6-/+) 0–1. Kelly,Paul J (2015) – Clark,Ian C (2130), BCF–chT3, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

    4.ab4 b6

    5.b5 Na5 6.Ba3 d6 7.Bb4 Qc7 8.Ra3 (8.Nc3!?+=) 8...g6 9.Bc3 e5 10.Ba5 ba5 11.Rc3 Qb7 12.Qf3 Be6 (12...Be7!?+=) 13.Rc6 a6 14.Nc3?? (better is 14.Qe3=) 14...ab5-+ 15.Qe3 (15.Nd5 Qc6 16.Bb5 Bd5-+) 15...Rb8 (15...Qc6 16.Bb5 Ne7 17.Nf3+-) 16.Bb5 Bd7 17.Rc7 (17.Ra6 Bb5 18.Ra7-+) 17...Qc7 18.Nd5 Qb7 19.Ba6 Qc6 20.Qa7 (20.c4 Rb1 21.Ke2 Qc5-+) 20...Rd8 (better is 20...Rb1 21.Ke2 f5 22.Nc3-+) 21.Bb5 Qc5 (21...Qc2?! 22.Bd7 Rd7 23.Qb8 Rd8 24.Qb5 Rd7 25.Qb8 Rd8 26.Qb5 Rd7 27.Qb8=) 22.Nc7 Ke7 23.Nd5 Ke6 24.Nf3 Be7 (better is 24...f6 25.Qa5 Bb5 26.Qb5-+) 25.Qa5?? (better is 25.Nc7 Kf6 26.Qc5 dc5 27.Bd7-+) 25...Bb5 26.Nc7 (26.Qb5 Qb5 27.Nc7 Kd7 28.Nb5-+) 26...Kf6 27.Nd5 Kg7 28.d4 Qc4 29.Qd2 Ra8 (29...Ra8 30.Qd3 Ra1 31.Kd2 Qd3 32.cd3 Rh1-+) 0–1. Luijendijk,Pieter (1825) – Agustsson,H (1950), Guernsey Open, Guernsey GCI, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

    5.b5 Na5 6.Bb2 d5 7.ed5 Qd5 8.Nc3 Qd8 9.Nf3 e6 10.Ra4 Nf6 11.Ne5 Bb7 12.Be2 (12.Qe2 Bc5=) 12...Bd6 (12...Bg2 13.Rg1 Bb7 14.Bf3+=) 13.Rd4 (13.f4 0-0 (worse is 13...Bg2 14.Rg1 Bb7 15.Rg7+/-) 14.Bf3 Nd5=) 13...Qe7 14.Ng4 Nd7 (14...Ng4 15.Rg4 f5 16.Ra4 Bg2 17.Rg1+=) 15.Bf3 0-0 16.Nh6 Kh8 17.0-0? (17.Bb7 Nb7 18.Ng4 a6=) 17...Ne5 (better is 17...Be5 18.Ba3 Qa3 19.Rd7 Bf3 (19...gh6 20.Bb7 Nb7 21.Rb7+=) 20.Qf3 gh6 21.Rf7 Nc4-+) 18.Bb7= Nb7 19.Ng4 Ng6 20.Re1 Nc5 21.Qa1 f5 22.Rd6 fg4 (22...Qd6!? 23.Ne4 Qd7 24.Nc5 bc5-/+) 23.Rd4= h5 24.Ne4 e5 25.Nc5 bc5 26.Rde4 Qf6 27.Rf1 Rae8 28.f4 gf3+/- 29.Rf3 Qd6 30.Rf8 Rf8 31.Qd1 Rf5 32.d3 Qd5 33.Bc1 c4 34.Rc4 Nf4? 35.Bf4+- ef4 36.Qf3 g6? 37.Rc8 Kh7 38.Qd5 Rd5 39.Rc7 Kh6 40.Ra7 Rb5+/- 41.Kf2 h4 42.Kf3 Kg5 43.Ra4 Rb1 44.Ra5+- Kh6 45.Kf4 Rb4 46.c4 Rb2 47.Kf3 Rd2 48.Ra3 Kh5 49.Rc3 g5 50.g4 Kg6 51.c5 Rh2 52.c6 Rh3 53.Kf2 Rg3 54.c7 (54.c7 Kf7 55.c8Q Rg2 56.Kg2 h3 57.Kg3 Ke7 58.Qc7 Ke8 59.Rb3 h2 60.Rb8) 1–0. Orfali,Marcelo Rafael (2080) – Aburto Renovales,Rafael (1645), Madrid San Viator, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

    5.b5+/- Na5 6.d4 Bb7 7.Nd2 e6 8.Bd3 Nf6 9.Ne2 Qc7 10.0-0 d5 11.e5 Ne4 12.Nb1 Be7 13.f3 Ng5 14.h4 Nf3 15.Rf3 Bh4 16.Nf4 Nc4 17.Nh5 0-0-0 18.Qf1 Ne5 19.de5 Qe5 20.Ra7 Qh5 21.Be2 (21.Be2 Qg6 22.Rf7+-; 21.Rf7?? Bg3 22.Qf5 ef5 23.Bf5 Rd7 24.Bd7 Kd8-+) 1–0. Riihimaeki,Vesa – Petersen,Bjarne, 1st Webchess Open Tournament group, 2005.

    5.b5 Na5 6.d4 d5 7.Bd3 Bb7 8.e5 e6 9.f4 f5 (9...Nc4 10.Nd2=) 10.ef6 Nf6 11.Nf3 Bd6 12.0-0 0-0 13.Qe2 Bc8 14.Ba3 Nb7 15.Bd6 Nd6 16.Nbd2 Bd7 17.Ne5 Re8 (17...Nfe4!? 18.Ne4 de4 19.Nd7 Qd7 20.Be4 Ne4 21.Qe4 Qb5 22.Qe6 Kh8+/-) 18.g4 Nfe4 19.Be4 (19.Ne4?! de4 20.Bc4 Qc7+=; 19.Nd7?! Nd2 20.Qd2 Qd7=) 19...Ne4 20.Ne4 de4 21.c4 (21.Nd7?! Qd7 22.Rfd1 Qb7+=) 21...Bc8 (better is 21...a5+-) 22.Qe4 Bd7 23.Qb7 (23.Rf3 Re7+-) 23...Bb5 (23...Re7 24.Qf3+-) 24.cb5 Qd4 25.Kh1 Rab8 (25...Kh8 26.Rac1+-) 26.Qf3 (better is 26.Qf7 Kh8 27.Ra7 Qd5 28.Rf3 Rg8+-) 26...Qc5 (26...Ra8 27.Qc6 Rac8 28.Qd7 Qd7 29.Nd7+-) 27.Nd7 (27.Nd7 Qb5 28.Nb8 Rb8 29.Ra7+-) 1–0. Rost van Tonningen,Otto (2135) – Wittelsberger,Helmut (2020), GER–ch Seniors, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

    5.c3 Nf6 6.Nf3 (6.b5 Na5 7.e5 Nd5+=) 6...e5 (6...Ne4 7.Be2=) 7.Qc2 Bb7 8.Na3 Be7 9.d3 d6 10.Be2 0-0 11.Bg5 a6 12.Nc4 h6 13.Bh4 b5 14.Ne3 Rc8 15.Qa2 Nd7 16.Nf5 (16.Bg3 Ncb8 17.Qd2 Nf6+=) 16...Nb6 17.Bd1 (better is 17.Bg3!?=) 17...Bh4+= 18.N3h4 Kh7 19.Qd2 g5 (better is 19...d5!? 20.Bb3 Nb8 21.ed5 Bd5+=) 20.Nf3 Qf6 (20...Ne7 21.h4 Nf5 22.hg5 Kg8 23.ef5 hg5 24.Ng5 Qf6+-) 21.g4+- Ne7 22.h4 Nf5 23.hg5 (23.hg5 Qe7 24.gf5+- (worse is 24.ef5 Rh8+-); 23.gf5?! g4 24.Nh2 h5 25.Bg4 hg4 26.Ng4 Qg7+=) 1–0. Aufmwasser,Guenter (1880) – Stock,Hugo (1630), GER–ch Seniors–A, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    4.ab4 Qb6

    5.b5+= Qd4 6.Nc3+/- Nb4 7.Nf3 Qb6 8.Ba3 e6 9.Qb1 Qc5 10.Kd1 a5 11.Na4+- Qf2 12.Bb2 Qa7? 13.Bd4 Qb8 14.c3 f5 15.Nb6 fe4 16.Qe4 d5 17.Qe5 Nf6 18.Na8 Qa8 19.Ng5 Ng4 20.Qf4 Nf6 21.Bf6 (21.Bf6 h6 22.Bg7 hg5 23.Qg5 Bg7 24.Qg7+-) 1–0. Cross,Elena (2000) – Berger,Gerhard (1855), remoteschach.de, 2010.

    5.b5+= Nd4!? +=.

    5.b5+= Ne5 6.f4+/- Ng6 7.f5 Ne5? 8.d4+- d5 9.de5 de4 10.Nc3 Bf5?? 11.Nd5 Qc5 12.b6 Rc8 13.Nc7 Rc7 14.bc7 Qc3 15.Qd2 Qc7 16.Bb5 Bd7 17.Ra7 f6 18.Bd7 Qd7+- 19.Ra8 Kf7 20.Qd7 1–0. Grunwald,H – Lehmann,N, Pinneberg op, 1993.

    4.ab4 d5

    5.b5 Nb8 6.ed5 Qd5 7.Nc3 Qd8 8.Nf3 Nf6 9.Bc4 e6 10.0-0 Be7 11.Ba3 0-0 12.Qe2 b6 13.d4 Bb7 14.d5?? (better 14.Be7 Qe7 15.d5+/-) 14...Ba3=+ 15.de6 Bc5 (15...Bb4 16.Ng5 Qe7 17.ef7 Kh8 18.Qe7 Be7 19.Ne6=) 16.ef7 (16.Ng5!? Qd4 17.e7 Be7 18.Qe7 Qc4 19.Qb7=) 16...Kh8-/+ 17.Rad1 Qc7 (17...Nfd7!?=+) 18.Ng5= Nbd7 19.Ne6 Qc8 (19...Qe5!? 20.Nf8 Rf8 21.Qe5 Ne5=) 20.Nf8+= Qf8 21.Be6 Rd8 22.Rd3 Bb4 (22...Bd6 23.Rfd1 Nc5 24.Rd4+/-) 23.Na2 (23.Rfd1 Bc3 24.Rc3+-) 23...Bd6+= 24.Bd7 (24.Bd7 Rd7 25.Rfd1=+) 1-0. Bressy,Theo (2285) - Evrin,Selvam (1880), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 d5)

    5.b5+= Nd4 6.c3 Ne6 7.e5 (7.ed5 Qd5 8.d4 Nc7+=) 7...Qc7 (7...d4!?=) 8.d4+= g6 9.Bd3 Bh6 10.Ne2 Bc1 11.Qc1 h5 12.f4 Nh6 13.0-0 Ng7 14.Qb2 b6 (14...Qb6 15.c4 dc4 16.Bc4+=) 15.c4 Bf5 16.Bf5 Ngf5 17.cd5 Qd7 (17...Ne3 18.Rf3 Nd5 19.Nbc3+/-) 18.Qb3+- Ng4 19.Rf3 Nh4 20.Rh3 g5? (better is 20...Nf5+-) 21.fg5 Qf5 22.Qg3 (22.Rh4?? Qf2 23.Kh1 Qe1 24.Ng1 Nf2) 22...Qc2 (22...Ng6 23.Qf3 Qg5 24.d6+-) 23.Nbc3 Nf5 (23...Ng6 24.Qf3 Qd2+-) 24.Qg4! hg4 (24...Ng7 25.Ra7! 0-0 26.Qd7+-) 25.Rh8 Kd7 26.Ra8 a5 27.ba6 Nd4 28.a7 Qd3 29.Nd4 Qd4+- 30.Kh1 Qc3 31.Rd8! Kc7 32.a8Q (32.a8Q Qa1 33.Qa1 Kd8 34.Qa8 Kc7 35.Qa7 Kc8 36.d6 ed6 37.ed6 Kd8 38.Qe7 Kc8 39.Qc7; 32.Rc8 Kc8 33.a8Q Kd7 34.Ra7 Qc7 35.Qc6 Kd8 36.Qc7 Ke8 37.Qe7) 1–0. Mereu,Matteo (1950) – Figus,Maurizio (1905), Laconi Perla del Sarcidano op 3rd, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+=)

    5.b5+= Ne5 6.Bb2 Ng6 7.ed5 Qd5 8.Nc3 Qd8 9.Nf3 Nf6 10.Bc4 e6 11.h4 (11.0-0 Qc7 12.Ra4 Bd6+=) 11...h5 (11...Bd6 12.g3=) 12.g3 b6 (12...Bd6 13.Bd3=) 13.Bf1 (13.Bd3 Rh6+=) 13...Bb7+= 14.Bg2 Qc7 15.0-0 Bd6 16.Ra4 Ng4 17.Ne4 Be4 18.Re4 Nf2? (better is 18...0-0+=) 19.Kf2+- Bg3 20.Kg1 Qc5 21.Bd4 (better is 21.Nd4!? Bd6 22.Rf5+-) 21...Qb5+/- 22.Bg7 Rg8 23.Bf6 Nf4? (23...Qc5 24.Nd4 Be5 25.Be5 Ne5 26.Qh5 0-0-0 27.Qe5 Qe5 28.Re5 Rd4 29.Rf7 Rd2+-) 24.Ng5 Bh4 (24...Qf5 25.Qa1 Qc5 26.d4 Qc2 27.Ref4 Rg5 28.hg5 Bf4 29.Qa3 Be3 30.Kh2+-) 25.Ref4 (25.Rff4 Bg5 26.Qh5 Qc5 27.d4 Qd5 28.Bg5 Qg5 29.Qf7 Kd8+-) 25...Bg5 26.Bg5 (better is 26.Qh5 Rc8 27.Bg5 Qc5 28.Kh1 Rg5 29.Qf7 Kd8 30.Qf8 Qf8 31.Rf8 Kc7 32.R1f7 Kd6 33.Rc8+-) 26...Qg5+/- 27.Qf3 Rc8 (27...Qg2!? 28.Qg2 Rg2 29.Kg2 f5+-) 28.Rf7+- Rc2?? (better is 28...Qg2 29.Qg2 Rg2 30.Kg2 Rc2 31.Ra7 Rd2 32.Kg3 Rd7+-) 29.Rf8 Rf8 (29...Kd7 30.Qf7 Qe7 31.Qg8 Rd2+-) 30.Qf8 Kd7 31.Rf7 (31.Rf7 Qe7 32.Qe7 Kc8 33.Qf8) 1–0. Roberts,Paul (2200) – O'Donnell,M (2270), Grangemouth op, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+=)

    5.b5+= Ne5 6.d4 Ng6 7.e5 e6 8.Nf3 Bd7 9.h4 Qb6 10.h5 N6e7 11.Qd3 g6 (11...Nf5!?+=) 12.Bd2 Qc7 13.Nc3 Nc8 (13...Nh6!?+/-) 14.hg6+- fg6 15.Rh7 (15.Rh7 Rh7 16.Qg6 Rf7 17.Qg8+=) 1–0. Damia,Angelo (2220) – Legolles,Frederic (1810), Rohde op, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+=)

    5.b5+= Ne5 6.f4 Nc4 7.ed5+= Qd5 8.Nc3 Qe6 9.Qe2 Qe2 10.Be2 Nd6 11.Nf3 f6? 12.Ba3 e6+/- 13.0-0 b6 14.Nd4+- Kf7 15.Bh5 g6 16.Bf3 Bb7 17.Bb7 Nb7 18.Bf8 Kf8 19.Ne6 Kf7 20.Nc7 Rc8 21.N7d5 Na5 22.Rfe1 Re8 23.Re8 Ke8 24.Kf2 f5 25.d3 h6 26.Re1 Kd8 27.Re6 g5 28.g3 Rh7 29.Kf3 Nb7 30.Ne2 1–0. gregorgysi (2195) – pushtiu (2260), net–chess.com, 2010.

    4.ab4 d6

    5.b5 Nb8 6.Bc4 e6 7.Nc3 b6 (7...Nf6!?+=) 8.Nf3+- Bb7 9.Ba3 Be7 10.Qe2 Nd7 11.0-0 Nh6 (11...Ngf6 12.d4+=) 12.d4 0-0 13.Qd3 Qc7 14.Bb3 Rfe8 15.Ne2 (15.Bc1+=) 15...Rac8 (15...a5!?+=) 16.Bc1+- Ng4 17.Ra7 Ra8 18.Ra8 Ra8 19.c4 e5 20.h3 (20.Nc3 ed4 21.Qd4 Nge5+-) 20...Ngf6 21.Nd2 ed4 22.Qd4 (22.Nd4?! Nc5 23.Qb1 Nfe4=) 22...Nc5 23.Bc2 Ne6 24.Qe3 Qc5 25.Qd3 h6 (25...Nd7 26.Kh2+=) 26.Bb2 Ra2 27.Bc3 Nf8 (27...Nd7 28.Nc1 Ra3 29.Ncb3+-) 28.Kh1 (28.Bd4 Qc7+-) 28...Ra7 (28...Ne6 29.Bb3 Ra3 30.Bb2+-) 29.Ng3+- Bc8 30.Nb3 Qg5 (30...Qc7 31.Nd4+-) 31.Nd4 Bd7 (31...N6d7 32.f4 Qg6 33.Qe3+-) 32.f4 Qc5 33.Ndf5 Bf5 34.Nf5 (34.ef5 Ra3 35.Kh2 d5=) 34...Ne8 (34...Qc7 35.Bb4 Ne8 36.e5+- (36.Ne7?! Qe7 37.e5 Rd7+-)) 35.Bd4 (35.Ne7?! Re7 36.Bd4 Qc7+-) 35...Qc7 36.Ne7 Qe7 37.Bb6 Rb7 38.Bd4 Nc7 39.Qg3 Nce6 (39...Nfe6 40.Bc3 Ne8 41.e5 de5 42.Be5+-) 40.Bb2 (40.f5 Qg5 41.Qg5 Ng5+-) 40...Ra7 (40...f6 41.Qd3+-) 41.Ra1 (41.f5!? Qg5 42.Rf3 Nf4+-) 41...Ra1 42.Ba1 Qa7 43.Bc3 (43.Bb2 Qa2 44.Qc3 f6+-) 43...Qa2 (43...Qa3 44.Kh2 Qc1 45.Qf2 Nf4 46.Bb4+-) 44.Bd3 Qb3 45.Bf1 Qd1 (45...Qb1 46.Qe1 Qc2 47.Bb4+-) 46.Kg1 Nd4 (46...Nd7 47.f5 Nd4 48.Qd3 Qd3 49.Bd3+-) 47.Qe3 (47.Qd3 Qd3 48.Bd3 Nde6+-) 47...Nc2 (47...Nde6 48.f5 Nc5 49.e5+-) 48.Qd3 Qd3 (48...Qc1+-) 49.Bd3 Ne3 50.Bb4 (50.Bd4 Ng2 51.Kg2 Ne6+-) 50...Ne6 (50...Nd1 51.b6 Nb2 52.b7+-) 51.Bd6 Ng2 (51...Nd1+-) 52.Kg2 (52.Kg2 g5 53.fg5 hg5 54.c5+-) 1–0. Kuge,Tom – Klawitter,Bernd, FICGS, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 d6)

    5.b5+= Nb8 6.d4 Nf6 7.Bd3 g6 8.Nf3 Bg7 9.0-0 0-0 10.Bb2 b6 11.Nbd2 Nbd7 12.c4 Bb7 13.Qe2 Ne8 14.Rfc1 e6 15.e5 de5 16.de5 Nc5 17.Bc2 Qe7 18.Ne4 Ne4? 19.Be4+- Be4 20.Qe4 f5 (20...f5 21.Qa8 Nd6 22.Ra7 Ra8 23.Re7 Bh6+-). onoudidnt – guerino (2105), net–chess.com, 2008.

    5.b5+= Nd4 6.c3 Ne6 7.d4 Nf6 8.Bd3 g6 9.Nf3 Bg7 10.0-0 0-0 11.h3 b6 12.Be3 Bb7 13.Nbd2 Qc7 14.Qb3 Rfc8 15.Rfc1+/- Qd7 16.e5 de5 17.Ne5 Qd6 18.Ndc4 Qd8 19.f3 Nd5= 20.Bd2 Nf6 =. onoudidnt – kostaspetidis (2120), net–chess.com, 2008.

    5.d4 Nf6 6.b5 Nb8 7.Nc3 g6 8.h4 Bg7 9.Nf3 Bg4 10.Be2 Qc7 11.Bd2 Nbd7 12.Ra3 Nb6 13.Nb1 Ne4-/+ 14.Be3 Nc4-+ 15.Bc4 Qc4 16.Qd3 Nf6?? 17.Nfd2 0-0?? 18.Nc3 Qd3-+ 19.cd3 0–1. Arnetta,MariaT (2020) – Ghader Pour,S (2145), 1st WMSG Blitz Team w, Beijing CHN, 2008.

    4.ab4 e5

    5.b5 Nce7 6.Ba3 Nf6 7.Nc3 Ng6 8.Bf8 Nf8 9.Bc4 Ng6 10.Nge2 0-0 11.d3 d6 12.0-0 Be6 13.Ra4 d5 14.ed5 Nd5 15.Bd5+= Bd5 16.Qa1 Qd7 17.Qa3 Rfc8 18.Ra1 h6 19.Qb4 Nf4 20.Nf4 ef4 21.Nd5 (21.Ra7?? Ra7 22.Rc1 b6-+) ½–½. Peredy,F (2275) – Grandinetti,P (2110), XXI Festival Open A, Porto San Giorgio, 2009. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 e5)

    5.b5 Nce7 6.c4 f5 (6...Nf6 7.Nc3=) 7.f3 (7.Nc3!?+=) 7...Nf6 8.Nc3 d6 (8...fe4 9.fe4 Ng6 10.Nf3+=) 9.d3 f4 10.Nge2 Be6 11.g3 g5 12.Nd5 Ned5 13.ed5 Nd5? (better is 13...Bf5=) 14.cd5+- Bd5 15.Nc3 Be6 16.Qe2 Kf7 17.Bg2 Qb6 18.Qf2 Qf2 19.Kf2 d5 20.Ba3 Rc8 (20...a5 21.Ne2+/-) 21.Rhc1 (better is 21.Ne2!? Bc5 22.Bc5 Rc5 23.gf4 (23.Ra7?! Rb5 24.gf4 gf4+/-) 23...gf4 24.d4 ed4 25.Nd4+-) 21...Ba3+= 22.Ra3 d4 23.Ra7 (better is 23.Ne2!? Rc1 24.Nc1+=) 23...dc3 24.Rb7 Kf6 25.Rb6 Ke7 ½–½. Wessels,M (2210) – Van Ingen,T (2065), Guernsey Open, Guernsey GCI, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    5.c3 Nf6 6.d4 ed4 7.b5 Na5 8.e5 (8.Qd4? Nb3 9.Qa4 Na1-+ (9...Nc1?! 10.e5-/+)) 8...Ne4 9.Ra4 (9.Qa4!? b6 10.cd4=) 9...Nc3=+ 10.Nc3 dc3 11.Nf3 b6 12.Bd3 Bb7 13.0-0 g6 14.Ng5 Bc5 (14...Bg7 15.f4=+) 15.Ne4 Be4 16.Be4 Rc8 17.Bd5 0-0 (17...Qe7=) 18.h4 (18.Bh6 Qc7 19.Bf8 Rf8+=) 18...h5 (18...Qe8!? 19.Bh6 Qe5 20.Bf8 Kf8-/+) 19.Qf3 (19.Bh6 Re8 20.Qc2 Re6+= (20...Re5?? 21.Qg6 Kh8 22.Qg7)) 19...d6 (19...Qe7 20.Re1 c2 21.Bg5+=) 20.Qg3 (20.e6!? Kh7 21.Qf4+-) 20...Kg7= 21.Qf4 g5 22.Qf5 (22.hg5 Qe7 23.Re4 Kg6+-) 22...Qe7 (better 22...de5!? 23.Qe5 Qf6-/+) 23.Re1 f6 (23...de5 24.Re5 Qf6 25.Qg5 Qg5 26.Rg5 Kf6 27.Rh5+-) 24.Be4+= Kh8 25.Qg6 (25.ef6 Rf6 26.Qc8 Rf8 27.Qh3 Bf2 28.Kf1=) 25...Qf7 (25...fe5 26.Qh6 Kg8 27.Bd5 Rf7 28.Bg5 Bf2 29.Kh2 Qf8 30.Qg6 Qg7 31.Bf7 Kf8 32.Qd6 Kf7 33.Rf4 Kg8 34.Qe6 Kh8 35.Qc8 Qg8 36.Rf8 Bg3 37.Kg3 Kg7 38.Rg8 Kh7 39.Rf1 a6 40.Rf7) 26.Qh6+- Kg8 27.ef6 Rce8?? (better 27...Bf2 28.Kf1 Rc7 (28...Bh4?? 29.Bd5 Be1 30.Qg7) 29.Qg5 Kh8+-) 28.Bd5!! Re1 (28...Qd5 29.Qg7 Mate attack) 29.Kh2 (29.Kh2 Rh1 30.Kh1 Qd5 31.Qg7) 1–0. Cabarkapa,N (2435) – Andrijevic,M (2280), 22nd Battle of Senta Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    5.c3 Nf6 6.Nf3 Ne4 7.Bb5 (7.b5 Ne7=+) 7...Qf6 (better 7...Nd6!? 8.Bc6 dc6 9.Ne5 Bf5=+) 8.0-0= Be7 9.d3 Nc3?? (9...Nd6 10.Bc6 dc6= (worse 10...bc6 11.Re1 h6 12.Ne5+-)) 10.Nc3+- e4 11.Nd5 Qa1 12.Nc7 (12.de4 0-0 13.Bc6 dc6 14.Ne7 Kh8 15.Nc8 Rac8+-) 12...Kd8 (12...Kf8 13.de4 Rb8+-) 13.Na8?? (better 13.de4 Qc1 14.Qc1 Kc7 15.Qf4 Kb6 16.Ba4 Bb4 17.Qf7+-) 13...ef3-/+ 14.Qf3 (14.Bc6 bc6 (14...dc6?! 15.Qf3 Qf6 16.Bf4-/+) 15.Qf3 Bb7-/+) 14...Nd4 (14...Qe5 15.Bc6 Bd6 16.Bf4 Qf4 17.Qf4 Bf4 18.Bd5-+) 15.Qd5 (better 15.Qe4 f5 16.Qe7 Ke7 17.Bg5 Kf7 18.Bc4 Kg6 19.Ra1 Kg5 20.Ra7=) 15...Nb5?? (15...f6 16.g3 Ne2 17.Kg2 Qe5-/+ (17...Nc1 18.Qc4 Qe5 19.Rc1+-)) 16.Qb5+= Qc3? (16...Qa6 17.Qe5 Qd6 18.Qa5 Ke8 19.Qa7+-) 17.Be3 (better 17.Qa5!? b6 18.Qa7+-) 17...Qb4+- 18.Qe5 Qd6 (18...d6 19.Qg7 Rf8 20.Ba7+-) 19.Qg7 (better 19.Qa5!? b6 20.Qa7+-) 19...Qf6+= 20.Qf6 (20.Qg3 Qd6+=) 20...Bf6= 21.Ba7 b5 (21...d6 22.Bb6 Ke7 23.Nc7=) 22.Bb6+= Ke7 23.Bc5 (23.Nc7 Bb7+=) 23...Ke6 (23...d6 24.Bb4=+) 24.d4 (24.Nc7 Kf5+=) 24...Kd5 (better 24...d6!? 25.Bb4 Bb7-/+) 25.Nb6+= Kc6 26.Ra1 (26.Rc1 d6 27.Nc8 dc5 28.Rc5 Kd7 29.Nb6 Kd6 30.Rb5 Kc6+=) 26...d6 27.Nc8 Rc8 28.Ra6 Kb7 29.Rd6 Bd4 30.Rb6 Ka8 31.Ra6 Kb7 32.Rb6 Ka8 ½–½. Eryigit,Cengiz – Bulcun,Omer, TCh–TUR Club, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    5.b5 Nd4

    6.c3 Ne6

    7.Bc4 d5 8.ed5+/- Nf4 9.d4 Qc7 10.Qa4 Bd7 11.Bf4 ef4 12.Nf3 Bd6 13.0-0 Ne7 14.Bd3 Nd5 15.c4 Nf6 16.Re1+- Be7 17.Ra2 Kf8 18.Rae2 Bd8 19.Qa3 Kg8 20.Nc3 g6 21.c5 Kg7 22.h3 Re8 23.d5 Re2 24.Re2 Rc8 25.c6 bc6 26.bc6 Qa5 27.Qa5 Ba5 28.Nb5 Bc6 29.Na7 Bb7 30.Nc8 Bc8 31.Bc4 Bb7? 32.Rb2 Bc8 33.Rb8 Bf5 34.Nd4 Be4 35.d6 Bc3 36.Nb5 Be5 37.Rd8 f3 38.g4 h6 39.d7 Bc6 40.Rg8!! (40.Rg8 Ng8 41.d8Q+-) 1–0. Ayza Leon,D (2140) – Ortiz Fernandez Vega,A (2175), TCh–ESP CECLUB Norte Div, 2007.

    7.Bc4 Nf6 8.d3 d5 9.ed5+= Nd5 10.Nf3 Ndf4 11.0-0+/- Bd6 12.Re1 0-0 13.Nbd2 b6 14.Ne4+/- Bb7 15.g3 Ng6 16.h4+- Qd7? 17.h5 Ngf4 18.gf4 Nf4 19.Bf4 ef4 20.Nh2 f3 21.Qf3 Kh8 22.Nf1 Bc7 23.Nfg3 f5 24.Nf6! gf6 25.Qb7 f4 26.Be6 Qg7 27.h6 Qh6 28.Qc7 fg3 29.fg3 1–0. Cherniaev,A1 (2470) – Heuberger,C (2070), Open, Geneve SUI, 2007.

    7.d4 ed4 8.cd4 Bb4 9.Bd2 Qe7 10.d5 Nd4 (10...Nf4 11.Qc2=) 11.Bd3 (11.Bb4 Qb4 12.Nd2 d6+= (12...Nb5? 13.Rb1 Qe7 14.Bb5+-)) 11...Nf6 (better 11...f5 12.Qa4 Bc5=+) 12.Ne2 (12.Ra4 Nd5 13.Kf1 Bd2 14.Rd4 Ne3 15.fe3 Be3+/-) 12...Ne2 (better 12...Ne4 13.Kf1 Bd2 14.Nd4 Nf2 15.Qd2 Nh1=+) 13.Qe2+= Bd2 14.Nd2 (worse 14.Qd2 Ne4 15.Qe2 Nc5=+) 14...d6 15.0-0 0-0 16.Nc4 Nd7 (16...Bd7 17.b6 ab6 18.Nb6 Ra1 19.Ra1+/-) 17.f4 White plans e5 17...Nc5 18.Bc2 (18.b6 Bg4 19.Qg4 Nd3+/-) 18...Bf5 Can e4 get defended? 19.Rae1 (19.e5 Bc2 20.Qc2 de5 21.fe5 Nd7+/-) 19...Rfe8 (19...Bd7!? 20.Rb1 f6+=) 20.e5+/- Bc2 (20...Bd7 21.Qf2 Bb5 22.Nd6+/-) 21.Qc2 de5 22.fe5 b6 (22...Nd7 23.Qf2+/-) 23.Nd6+- Rf8 24.Nf5 Qg5 25.Rf3 g6 26.Rg3 Qh5 27.Ne7 Kg7 28.Qc3 (28.Qd2 h6+-) 28...Rad8 (28...Rae8 29.Nc6+-) 29.h3 (29.Qe3 h6 30.Rf1 Rg8+-) 29...Kh8? (29...h6 30.Qa1 Ra8 31.d6+-) 30.Rg4 (better 30.e6!? f6 31.Ng6 hg6+-) 30...Rde8 31.e6 f6 32.d6 Kg7 (32...Nb7 33.Qd3+-) 33.Kh1 (33.Qa3 Re7 34.de7 Re8 35.Qa7 Qd5 36.Qb6 Re7+-) 33...Rd8 (33...Re7 34.de7 Re8 35.Qd4 Re7 36.Rf4+-) 34.d7 (34.Qf3 f5 35.Qc3 Kh6 36.Qe3 g5+-) 34...Nd7? (34...Ne6 35.Re6 Rd7 36.Qc2+-) 35.ed7 (better 35.Nc6 Qc5 36.Qd2 Qb5 37.Nd8 Ne5+-) 35...Rd7 36.Nc6 Rdf7 (36...Rc8 37.Rd4 Rdc7 38.Qd2+-) 37.Nd4 Kg8 38.Qc4 Qc5 39.Qc5 bc5 40.Ne6 (better 40.Nc6!?+-) 40...Rb8 41.Rd1 Re7 42.Nc5 Rb5 43.Nd3 (43.Re4 Rf7 44.Re8 Kg7 45.Ne6 Kh6+/-) 43...Kg7 (43...Rd7 44.Ra4+=) 44.Rd4+/- a5 45.Nf4 Ra7 (45...f5 46.Nd5 Rd7 47.Kg1+=) 46.Ra4 (better 46.Rd7 Rd7 47.Rd7 Kh6 48.Ne6+-) 46...Rb4? (better 46...f5!?+/-) 47.Rb4+- ab4 48.Rb1 Rb7 49.Rb3 f5 50.Nd5 g5 51.Rb4 Rd7 52.Ne3 Kg6? (better 52...f4 53.Nf5 Kf6+-) 53.Rb6 Kg7 (53...Kf7 54.Nf5 h5 55.Nd6 Ke7 56.Ne4+-) 54.Nf5 Kf7 55.Kh2 (55.g4 Rd1 56.Kg2 Rd2 57.Kf1 Rh2+-) 55...Rd5 (55...Ra7 56.Nd6 Kg7 57.Kg3+-) 56.Rb7 Kg6 (56...Ke6 57.Nh6+-) 57.Ng3 (better 57.Ne7 Kf6 58.Nd5 Ke5 59.Nb4+-) 57...h6 (57...Re5 58.Rb4+-) 58.Rb6 Kf7 (58...Kh7 59.Nh5 Ra5 60.Rb7 Kg6 61.g4 Ra2 62.Kg3 Ra3 63.Kg2 Ra2 64.Kf3 Rf2 65.Ke4 (65.Kf2?!) 65...Re2 66.Kd5 Re5 67.Kd6 (67.Ke5?!) 67...Re6 68.Kd7+- (68.Ke6?!)) 59.Ne4 (59.Rh6 Re5+-) 59...Rd4 (59...Kg7+-) 60.Ng3 Kg7?? (60...Rd5 61.Rh6 Re5+-) 61.Nf5+- (61.Nf5 Kf7 62.Nd4+-) 1-0. Riehle,Marco (2345) - Buksa,N (2415), Titled Tuesday 6th Apr, 2021. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    7.Nf3 Qc7 8.Ba3 Ba3 (8...Nf6!? 9.Bf8 Kf8=+) 9.Na3= Nf6 10.Nc4 b6 11.Nfe5 (11.Nce5 0-0 12.Bc4 Ne4=) 11...0-0 12.d3 (12.Qf3!?=) 12...d5=+ 13.ed5 Nd5 14.Rc1 (14.d4!? Bb7 15.Qc2-/+) 14...Re8 15.Kd2 (15.Qf3 Bb7 16.Qf7 Qf7 17.Nf7 Kf7 18.Nd6 Kg6 19.Ne8 Re8=+) 15...Nc5 (15...Bb7!? 16.d4 f6-+) 16.Nf3?? (better 16.d4 Ne4 17.Ke1 Nec3 18.Qd2-/+) 16…Bf5 ½–½. Ojer Lora,Iker (2085) – Salinas Alcalde,Inaki (1855), Pamplona Spain, Navarra Team Championsh, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    7.Nf3 Qc7 8.Na3 Nf6 9.Nc4 Ne4+=.

    7.Nf3 Qc7 8.b6 Qb6= 9.Ne5 Qc7 (9...Nf6 10.f3=) 10.d4+= Nf6 11.Bd3 Be7 12.f4 (12.0-0 0-0+=) 12...0-0= 13.0-0 d5 14.ed5 Nd5 The backward pawn on c3 becomes a target 15.Qf3 Nf6 (15...Nc3? 16.Nc3 Nd4 17.Qh5+-) 16.g4 (16.Re1 Re8+-) 16...g6 (16...Nd7 17.Na3=) 17.f5+- Nd8? (better 17...Nc5+-) 18.Bh6+- Nd7 19.Nd7 Bd7 (19...Qd7 20.Bf8 Kf8 21.Nd2+-) 20.fg6 hg6 21.Bf8 Bf8 22.Bg6! Be6 (22...fg6 23.Qf6 Double attack (23.Qf8 Pinning; 23.Qf8 Deflection; 23.Qf6 Decoy)) 23.Bf5 Bg7 24.Nd2 Rc8 (24...a5 25.Qh3+-) 25.Ne4 (25.Ra7?! Qc3 26.Qc3 Rc3+-) 25...Qe7 (25...a5 26.Be6 Ne6 27.Kg2+-) 26.Be6 (26.Ra7 Nc6 27.Be6 fe6+-) 26...Ne6 27.Qf7! Qf7 28.Rf7 Re8 (28...Kf7 29.Nd6 Kg6 30.Nc8 Nd4 31.Ne7 Kf6 32.Ra7 Ne2 33.Kf2 Nc3 34.Rb7 Ne4 35.Kf3 Nd6 36.Nd5 Kg6 37.Nf4 Kh6+-) 29.Rb7 Nd4 30.Raa7 (30.cd4?! Bd4 31.Nf2 Ba1 32.Ra7 Bd4+-) 30...Ne2 (30...Ne6 31.Rg7! Ng7 32.Nf6 Kf8 33.Ne8 Ne8 34.Ra8+-) 31.Kf2 Bc3 (31...Re4 32.Rg7 Kh8 33.Rgd7+-) 32.Ke2 1–0. Cabarkapa,N (2435) – Pajzer,I (2035), 22nd Battle of Senta Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    7.Nf3 Qc7 8.d4 d6 9.Be3 Nf6 10.de5+/- Ne4 (better 10...Ng4!? 11.Ba7 b6+=) 11.b6!+- Qc6 (11...ab6 12.Ra8 Pinning (12.Ra8 Deflection)) 12.Ra7 Rb8 13.Bd3 (better 13.Ra5!? Bd7 14.Bb5+-) 13...N4c5+/- 14.0-0 Bd7 15.Bc2 (15.Ra1 Qb6 16.Na3 Qd8+/-) 15...Qb6+= 16.Ra1 Be7 17.Na3 Qc7 18.Nc4 de5 19.Nfe5 0-0 20.Re1 Bb5 (20...Bf6!? 21.Bd4 b5+=) 21.Bh7!+/- Kh7 22.Qb1 Kg8 23.Qb5 Rfd8 24.h3 Bf6 25.Bc5 Qc5 26.Rab1 Be5 27.Ne5 (27.Re5 Qc6+/-) 27...Qc3+= 28.Rbc1 (28.Qe2 Qc7+=) 28...Qd4 29.Qb3 Rd5? (better 29...Qf4+=) 30.Nc6!+- bc6 31.Qb8 Kh7 (better 31...Rd8 32.Qg3 c5+-) 32.Rc6 Qd2 33.Qb1 g6 34.Rc2 Qg5 35.Qb7 Nf4 (35...Qf5+-) 36.Qf7 Kh6 37.Qf8 Kh5 38.Qh8 Qh6 39.Re5 (39.g4 Kg5 40.Re5 Kh4 41.Qh6 Nh5 42.Qg5 Kh3 43.Re3 Ng3 44.Rg3) 39...Re5 (39...g5 40.g4 Kg6 41.Rc6 Rd6 42.Rd6 Kf7 43.Qe8 Kg7 44.Re7) 40.Qe5 g5 41.Qe8 (41.g4 Kh4 42.Kh2 Qh5 43.f3 Ne2 44.Re2 Qg4 45.Qh8 Qh5 46.Re4 g4 47.Rg4) 41...Kh4+- 42.g3 (better 42.Rc4 Qg7 43.Kh2 g4 44.Rf4 Kg5 45.Rg4 Kf6 46.Qc6 Ke5 47.Re4 Kf5 48.Qe6 Kg5 49.Rg4 Kh5 50.Qf5 Kh6 51.Rh4) 42...Kh3 43.gf4 Qh4 44.Rc3 (44.Rc3 Kg4 45.Qe2 Kf5 46.Rc5 Kg6 47.Rc6 Kf7 48.Qe6 Kf8 49.Rc8 Kg7 50.Rc7 Kf8 51.Qf7) 1-0. Mamedyarov,S (2770) - Buksa,N (2415), Titled Tuesday, 2021. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e5)

    7.Nf3 d5 8.b6+/- Qb6 9.Ne5 (9.ed5 Nc7 10.Ne5+/-) 9...Nf6? (better is 9...Bd6 10.Qa4 Kf8+=) 10.ed5+- Nc5 (10...Qc7 11.Qa4 Kd8+-) 11.d4?? (better is 11.Qe2 Be7 12.Nc4+-) 11...Nb3?? (better is 11...Ncd7+/-) 12.Nc4+- (12.Nc4 Na1 13.Nb6 ab6 14.Bb5 Kd8 15.Bg5+-) 1–0. Kaden,Uwe – Buechle,Manfred, Ruhrgebiet VK4, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6)

    7.Nf3 Nf6 8.Ne5 Ne4 9.d3+=.

    4.ab4 e6

    5.b5 Na5 6.Bb2 d6 (6...Nf6 7.e5 Nd5 8.Nc3+-) 7.d4 (7.Nf3 Nf6+-) 7...Qc7 (7...Nf6 8.Nc3+=) 8.Nd2+- Nf6 9.Ngf3 b6 (9...Be7 10.Bd3+-) 10.Bd3 Bb7 11.c4 Be7 12.0-0 0-0 13.Rc1 (13.Qc2 Nd7+-) 13...Rac8 (13...a6 14.ba6 Ra6 15.Re1+=) 14.Bb1 (14.Re1 g6+-) 14...Ba8 (14...Nd7 15.Qe2+=) 15.Qc2 g6 16.Rfe1 Nd7 17.Ba3 (17.h4 Bb7+-) 17...Rfe8 (17...e5 18.Bb2+=) 18.Ba2 (18.h4 Bb7+=) 18...d5 (18...e5!?+=) 19.Be7+- Re7 20.ed5 Bd5 21.Qd3 Ba8 22.Qe3 Ree8 23.Ne4 (23.h4 h5+-) 23...Be4 24.Qe4 Qd6 25.Qe3 Kg7? (better 25...Qb4 26.Qc3 Qc3 27.Rc3 Red8+=) 26.c5!+- bc5 27.Qc3 (27.dc5 Qc7 28.Qc3 Kg8+-) 27...Qc7 (27...cd4 28.Qa5 Rc1 29.Rc1+-) 28.dc5 Kg8 (28...Nf6 29.Ne5 Nb7 30.g4+-) 29.c6 Nf8 30.Ne5 Rb8 (30...h5+-) 31.Ng4 e5 32.Nf6 Kh8 (32...Kg7 33.Nd5 Qd6 34.Qa5+-) 33.Ne8 Re8 34.Bf7! Re7 (34...Qf7 35.Qa5 Deflection (35.Qa5 Overloading)) 35.Bd5 g5 (35...Kg7 36.Ra1 Nc6 37.bc6+-) 36.Ra1 Nb7 (36...Nc6 37.bc6 Ng6 38.Rab1+-) 37.cb7 (better 37.Ra7 Re8 38.Rb7+-) 37...Qc3 38.b8Q Kg7 39.Rac1 Qd2 40.Rcd1 (40.Red1 Qe2 41.Bf3 Qb2+-) 40...Qf4 (40...Qc3 41.Re3 Qc7 42.Qa8+-) 41.Qd6 (41.Re3!? e4 42.Qf4 gf4 43.Re4 Rc7+-) 41...Ng6 42.g3 Qg4 (42...Qf6 43.Qc6+-) 43.f3 (better 43.Be4 Re8 44.Ra1 Qe6 45.Ra7 Kh6+-) 43...Qh3 (43...Qc8 44.Be4 Qc7 45.Qc6+-) 44.Be4 Re6 (44...Qe6 45.Qe6 Re6 46.Rd7 Kh8 47.Ra7 g4+-) 45.Qd7 Kh6 46.Bg6 Kg6 (46...Qg3 47.hg3 Rg6 48.Qh3 Kg7 49.Rd7 Kf6 50.Qh7 Kf5 51.Rd6 e4 52.Qg6 Ke5 53.Re4) 47.Rd6 Kf6 (47...Rd6 48.Qd6 Kg7 49.Qe5 Kg6 50.Qd6 Kh5 51.Re4 Qg3 52.hg3 h6 53.g4 Kh4 54.Qh2) 48.Qe6 (48.Qd8 Kg6 49.Re5 Qf1 50.Kf1 Rd6 51.Qg5 Kf7 52.Re7 Kf8 53.Qg7) 48...Qe6+- 49.Re6 Ke6 50.Ra1 1–0. Beeck,Mats (2195) – Werner,Rene (1885), 29th Kiel Open, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e6)

    5.b5 Na5 6.d4 Qc7 (6...d5 7.e5+=) 7.Bd3 b6 (7...d5 8.ed5 ed5 9.Nf3+=) 8.Nf3+/- Bb7 9.0-0 Nf6 10.Qe2 d5 11.e5 Ne4 12.Nfd2 Nc3 13.Nc3 Qc3 14.Ra4 Be7 15.Qg4 0-0? (better is 15...g6!?+/-) 16.Nb1+- Qc7 17.Bh6 g6 18.Bf8 Bf8 19.Nd2 Qd7 (19...a6 20.ba6 Ba6 21.Rfa1+-) 20.Raa1 (20.Rfa1 a6+-) 20...Bh6 21.Nf3 Nc4 22.Qh3 Bf8 23.Rab1 (23.Rfb1 Be7+-) 23...Rc8 (23...Be7 24.Rb3+-) 24.Qg3 Na3 25.Rb2 Rc3 26.h4 (26.Ra1 Qc7+-) 26...Nc4 27.Ra2 Na3 28.h5 Nb5 29.hg6 fg6 30.Bb5 Qb5 31.Ra7 Rc7 32.Qg4 Re7 33.Ng5 Ba6?? (33...Bc8 34.Rfa1 Qe8+-) 34.Re7 Qf1 35.Kh2 Be7 36.Qe6 Kg7 37.Qe7 Kh6 38.Nf7 Kg7 39.Qf6 (39.Qf6 Kf8 40.Nd6 Kg8 41.Qf7 Kh8 42.Qf8) 1–0. Vogiatzis,Dimitrios – Cipra,Lothar, Mittelfranken–ch, 1994. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 e6)

    5.b5 Na5 6.g3 b6 7.Bg2 Bb7 8.Ne2 Nf6 9.d3 Rc8 10.0-0 Qc7 11.c4 Be7 12.Bd2 0-0 13.Qa4 d5 14.ed5 ed5 15.Ba5 ba5 16.Qa5 Bc5? (better is 16...Qd7!?+/-) 17.Qc7+- Rc7 18.d4 Bb4? (18...dc4 19.Bb7 Rb7 20.dc5 Rb5+-) 19.Ra7 Re8 20.Nf4 Rce7 21.Nd3 Bd6 22.c5 Bb8 23.Ra1 Rc7 24.Nc3 Ne4 25.Ne4 de4 26.Nb4 Rd8 27.Rfd1 Re7 28.c6 Bc8 29.b6 Bd6 30.c7 Rde8 31.Nc6 Re6 32.Bh3 e3 33.fe3 1–0. Pedersen,Thomas (1725) – Larsen,Stig Borje (1670), Bergen op, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

    5.b5+= Nb8 6.d4 d5 7.e5 Bd7 8.Bd3 Qb6= 9.Ne2 Bb5=+ 10.Ba3 Ba3 11.Na3 Bd3 12.Qd3 Ne7 13.0-0 0-0 14.f4 Nbc6 15.Kh1 Qc7 16.g4 a6 17.Rf3 f5-+ 18.Rh3 g6 19.Rg1 Rf7 20.c3 Na5 21.gf5 Nf5-+ 22.Ng3 Ng3 23.Rhg3 Kf8 24.Qe3 Ke7 25.c4 Nc4 26.Nc4 Qc4 27.Qa3 Ke8 28.Rc1 Qd4 29.Qd6 Qe4 (29...Qe4 30.Kg1 Qf4 31.Qe6 Kf8-+; 29...Rf4?! 30.Qe6 Kf8 31.Qd6 Kg8 32.Rg6 Kh8 33.Rg3 Qe4 34.Kg1-+) 0–1. Strand,H (2015) – Tredinnick,M (2185), Gibtelecom Masters, Catalan Bay ENG, 2007.

    5.b5 Bc5 6.Bb2 (6.bc6? Qf6 7.cd7 Bd7-+) 6...Qh4 (6...Qb6 7.Bg7 Bf2 8.Ke2+=) 7.Qe2 Nd4 8.Bd4 Bd4 9.Nf3 Qf6 10.e5 (10.Nd4?! Qd4 11.c3 Qe5+/-) 10...Qf4 11.g3 (worse is 11.Nd4 Qd4 12.c3 Qf4+/-) 11...Qg4 12.h3 (12.Nd4?! Qd4 13.c3 Qd5+=) 12...Bf2? (better is 12...Qf3 13.Qf3 Ba1+-) 13.Kf2 Qb4 14.Qc4 Qc4 15.Bc4 Ne7 16.Nc3 0-0 17.Ne4 f6 18.ef6 gf6 19.Nd6 Kg7 20.Ra3 a6 21.Rha1 Nf5 (21...f5 22.ba6 ba6 23.Ba6 Ba6 24.Ra6 Ra6 25.Ra6+-) 22.Nf5 ef5 23.ba6 ba6 24.Ba6 Ba6 25.Ra6 Ra6 26.Ra6 1–0. Vetoshko,Volodymyr (1840) – Kucha,Taras, UKR–ch sf U20, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 e6)

    5.b5 Ne5 6.d4 Ng6 7.Nf3 Bb4 8.c3 Be7 9.h4 Nf6 (better 9...Bh4!? 10.Nh4 Nh4+=) 10.h5+- White gets strong initiative 10...Nf8 11.h6 Rg8 (11...gh6 12.e5 Ng4 13.Ba3+-) 12.e5 (12.hg7 Rg7 13.Bh6 Rg8+-) 12...Nd5 (12...Ng4!?+-) 13.c4+- Nb6 14.Nc3 Bb4 15.Qb3 Bc3 16.Qc3 d6 17.Bg5 White intends c5 17...Qc7 18.Qa5 Ng6? (18...gh6 19.Bh6 de5+-) 19.ed6 Qd6 (19...Qd7 20.c5 gh6 21.cb6 hg5 22.Qa7 (22.ba7?! Qd6 23.Qc3 Nf8+-) 22...Ra7 23.ba7 Qd6 24.a8Q+-) 20.c5 Nc4 (20...Qd5 21.cb6 Qe4 22.Be3+-) 21.Bc4 Qd7 (21...b6 22.cd6 ba5 23.hg7 Rg7 24.Ra5+-) 22.hg7 Rg7 23.Bf6 Rg8 24.Ne5 (24.b6 a6+-) 24...Qd4 25.Rd1 Qe4 26.Be2 Ne7 (26...Bd7 27.Rd7 Qb1 28.Rd1 Qd1 29.Bd1 Ne5 30.Be5 Rg5+-) 27.Qd8 (27.Rd8) 1–0. juliangon (2705) – pipesharp (1810), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nc6)

    5.b5 Ne5 6.d4 Ng6 7.Nf3 b6 8.Bd3+/- Bb7 9.0-0 d6 10.c4 Nf6 11.Nc3 Be7 12.Re1 0-0 13.Bb2 Qc7 14.Nd2 Nf4+= 15.Bf1 e5 16.Nd5+/- N4d5 17.cd5 Nd7 18.Rc1 Qd8 19.Nf3 f5 20.de5+- Ne5 21.Nd4 Bc8? 22.f4 Ng6 23.ef5 Bf5 24.Nc6 Qd7 25.Ne7 Ne7 26.Qd4 Ng6 27.Rc6+- Rf7 28.h3 Raf8 29.Rc3?? Nf4= 30.Rce3 h5?? 31.Rg3?? Ng6 32.Rg5 h4 33.Bc4 Qd8?? 34.Rf5+- Ne5 35.Rf7 Rf7 36.Rf1 Rc7 37.Bd3 Qg5 38.Qe4 (38.Qe4 Rf7 39.Rc1+-) 1–0. Cherniaev,A1 (2470) – Griffiths,R (2100), Masters, 2006.

    5.b5 Nce7 6.Ba3 d5 7.e5 Ng6 8.Bf8 Nf8 9.Qg4 Ng6 10.h4 (10.Nf3 Qc7+=) 10...b6 (10...Qc7 11.Nf3 Qc2+= (11...Ne5?? 12.Qg7 Ng6 13.h5+-)) 11.h5 Ne5 12.Qg7 Qf6 13.h6 Ng6 14.Nf3 Bb7 15.d4 Qf4 16.Nbd2 N8e7 17.g3 Qc7 18.Bd3 Nf5? (better is 18...Rg8!? 19.Qf6 Nf8+/-) 19.Bf5+- ef5 20.Ne5 0-0-0 21.Qf7 Ne5 22.Qc7 Kc7 23.de5 Rde8 24.f4 Rhg8 25.Kf2 Kb8 26.Nb3 Rc8 27.Nd4 Rc4 28.Rad1 Bc8 29.Rd2 Rg6 30.Rh5 Rc3 31.Rd3 Rc5 32.Re3 Be6 33.Rh4 Rc4 34.c3 Ra4 35.g4! fg4 36.Kg3 Bc8 37.f5 Rg8 38.Rg4 Rg4 39.Kg4 Kc7 40.Kg5 Ra1 41.Kf6 Rg1 42.Kf7 Rg5 43.Ne6 Be6 44.Ke6 Kd8 45.Kf6 Rh5 46.e6 Ke8 47.Ke5 Rh6 48.f6 Rg6 49.Rf3 Rg1 50.Kd6 Re1 51.f7 Kf8 52.Rg3 (52.Rg3 Re6 53.Ke6 a6 54.Rg8) 1–0. Tavoularis,N (2140) – White,D (1955), London Classic FIDE Open, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 e6)

    5.b5 Nce7 6.d4 d5= 7.e5 Ng6 (7...Nh6 8.Nf3+=) 8.Bd3 Qc7 (8...Nh6 9.Nf3+=) 9.c3 Bd7 10.h4 h5 11.Ne2 N8e7 12.g3 (12.Bg5 Nf5+-) 12...f5 (12...a5!?+=) 13.Nd2 Nc8 14.0-0 (better 14.Qb3 Nb6 15.c4 dc4 16.Nc4+-) 14...Nge7? (14...Nb6 15.Qb3 a5 16.ba6 ba6 17.c4 (17.Ba6?! Be7+=) 17...Nc4 18.Nc4 (18.Bc4?! Rb8 19.Qa2 dc4+-) 18...dc4 19.Bc4+-) 15.Nf3 (15.Qb3 a5 16.ba6 ba6+-) 15...g6? (better 15...Ng6+-) 16.Qb3 Nb6 17.Ba3 (17.Bg5 Rh7+-) 17...Nec8? (better 17...Nc4+-) 18.Bf8 Kf8 19.Nf4 Kg7 20.Ng5 Re8 21.Rfc1 (better 21.Ra2!? Nc4+-) 21...Nc4 22.Ra2 N8b6 (22...a5 23.ba6! Ra6 24.Ra6 ba6 25.Bc4 dc4 26.Qd1+-) 23.Qd1 (23.Rca1 Bc8+-) 23...Bc8 24.Be2 Kh6 (24...Re7+-) 25.Bh5 (25.Bh5 Qg7 26.Bg6 Qg6 27.Ng6 Kg6 28.Qf3+-) 1–0. Munoz,Farid (2130) – Bravo,Juan Eduardo (1710), Torneo IRT Internacional Feria de las F, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nc6)

    4.ab4 Nf6

    5.b5+= Na5 6.e5+/- Ng8 7.Qf3 Rb8 8.d4 d5 9.ed6 ed6 10.Bd2 b6 11.Ba5 ba5 12.Bc4 Nf6 13.Nc3 Bb7 14.d5 Be7 15.Nge2 0-0 16.0-0 Nd7 17.Nd4 Ne5 (17...Bf6 18.Bd3+=) 18.Qe2+/- Bf6 19.f4 (19.Ne4 Nc4 20.Nf6 Qf6 21.Qc4 Qf4+=) 19...Ng4! 20.Rfd1?? (20.Qg4 Qc8) 20...Qb6-+ 21.Qd3 (better is 21.Qd2 Rfe8 22.Ra4-+) 21...Rfe8 22.Na4 (22.h3 Re3 23.Qd2 Bd4 24.Qd4 Rc3 25.Bb3-+) 22...Bd4 23.Qd4 Re1 24.Bf1 Qd4 (24...Qd4 25.Rd4 Ra1-+) 0–1. Ait Chaouche,Samy (1990) – Mourgues,Joelle (1765), Saint Affrique op, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6)

    5.b5 Nb8 6.e5 Qc7 7.d4 Nd5? (better is 7...Ng8!?+/-) 8.c4+- Nb6 9.c5 Nd5 10.b6! (10.b6 Nb6 11.cb6 Qb6 12.Nc3+-) 1–0. Kujoth – Fashingbauer, Milwaukee, 1950. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    5.b5+= Nd4 6.c3 Ne6 7.e5 Nd5 8.c4 Ndf4 9.g3 Ng6 10.f4 Ngf4? 11.gf4+- Nf4 12.d4 Ng6 13.h4 e6 14.h5 Bb4 15.Bd2 Bd2 16.Nd2 Ne7 17.Ne4 Nf5 18.h6! g6 19.Nf6 Kf8 20.Nf3 d6 21.Ng5 de5 22.de5 Qd1 23.Rd1 Ke7 24.Rh3 b6 25.Bg2 Rb8 26.Ngh7 (26.Ngh7 Rh7 27.Ng8 Ke8 28.Bc6 Bd7 29.Nf6 Kf8 30.Nh7 Kg8 31.Nf6 Kh8 32.Rd7+-) 1–0. Marshall,Frank – Rogosin,H, ch Marshall CC New York, 1940.

    5.b5 Nd4 6.Nf3 Nf3 7.Qf3 e6 8.e5 Qc7 9.Qc3 Nd5 10.Qc7 Nc7 11.Bb2 Be7 12.Na3 0-0 13.Nc4 Nb5 (13...f6 14.Nd6+/-) 14.Nb6+/- Na3 15.Na8 (15.Ba3?! ab6 16.Bb2 Ra1 17.Ba1 d6=) 15...Nc2 16.Kd1 Na1 17.Ba1 d5 18.Bb5 a6 19.Bd3 Bc5 20.Ke2 Bd7 21.Rc1 Ba7 22.Rc7 Bc6 23.Ba6 Ra8 (worse is 23...ba6 A) worse is 24.Ra7 Ra8 (worse is 24...Ba8 25.Ra6 h5 26.Bd4+=) 25.Ra8 Ba8+=; B) 24.Rc6 Ra8 25.Ra6+-) 24.Bb7 Bb7 ½–½. Raap,Christian (2355) – Kirwald,Franz (2375), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nf6)

    5.b5 Ne5 6.d4 Ng6 7.e5 Nd5 8.c4 Nb4 9.Nf3+-.

    5.b5 Ne5 6.d4 Ng6 7.e5 Nd5 8.c4 Nc7 9.Bd3 d6 10.Bb2 (10.ed6!? Qd6 11.Ne2+-) 10...de5+= 11.de5 e6 (11...a6 12.Ne2+=) 12.Ne2 (12.Qc2 Bb4 13.Kf1 0-0+=) 12...Bb4= 13.Kf1 0-0 14.Qc2 (better 14.h4 Nh4 15.Nbc3=) 14...Qg5? (better 14...a6=) 15.h4+- Qh5 (15...Nh4?? 16.Bh7 Kh8 17.g3+-) 16.Ng3 Qg4 17.h5 Nf4? (better 17...Nh4 18.Bh7 Kh8+-) 18.Bh7 Kh8 19.Be4 Rd8 (19...Kg8 20.Bf3 Qg5 21.h6+-) 20.Bf3 Qg5 21.Ne4 (better 21.Nc3 a6 22.Nge4+-) 21...Qe7 (21...Qf5+-) 22.h6 g6 (22...g5 23.Nf6 Ng6 24.Nc3+-) 23.Bc1 g5 (23...Ncd5 24.g3+-) 24.g3 (better 24.Bf4 Rg8 25.Nf6 Rg6 26.Bg5 Ne8+-) 24...Rd3 (24...Nb5 25.cb5 Bd7+-) 25.Be2 (25.gf4!? Rf3 26.Ng5 Qg5 27.fg5 Bc5+-) 25...Ne2 (25...Rd8 26.gf4 Ne8 27.Bh5 gf4 28.Bf4+-) 26.Bg5 Ng3 27.fg3 (27.fg3 Rf3 28.Kg2+-) 1–0. Prus,M (1655) – Mlynarski,Z (1660), 184th YMCA Spring B, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nf6)

    5.b5 Ne5 6.d4 Ng6 7.e5 Nd5 8.c4 Nc7 9.Nf3 f6+-.

    5.b5 Ne5 6.d4 Ng6 7.e5 Nd5 8.c4 Nc7 9.h4+-.

    5.b5 Ne5 6.d4 Ng6 7.e5 Nd5 8.Nf3 h6 (better 8...d6!?+=) 9.c4+- Nb6 (9...Nc7 10.Bd3 d5 11.Qc2+-) 10.d5 (10.c5 Nd5+-) 10...d6 (10...Qc7 11.Qd4+-) 11.Bb2 (11.e6 fe6 12.Nd4 ed5+-) 11...Bg4 (11...e6 12.ed6 Qd6+=) 12.Nbd2 (12.ed6 Qd6 13.h3 Bd7+=) 12...de5 (12...Ne5 13.Be5 de5 14.Qe2=+) 13.Qc2 (13.h3 Bf3 14.Qf3 Qc7+=) 13...Qc7 (13...Qc8 14.Qd3=) 14.Qe4+= The pressure on e5 grows 14...Bf3 15.Nf3 Nd7 16.Bd3 (16.Be2!?+=) 16...Nc5=+ 17.Qe3? (17.Qf5 Nd3 18.Qd3 Nf4=) 17...Nd3?? (17...Nf4 18.0-0 Ncd3 19.Be5 Qc4-+ (19...Ne5 20.Ne5 f6 21.Ra7=)) 18.Qd3= Nf4 19.Qf1?? (19.Qb3!? Qc8 20.b6 Ng2 21.Kf1+-) 19...f6 (better 19...e4!? 20.Ne5 e6-+) 20.g3= e4 21.gf4 ef3 22.Bc1 (22.f5 a6=) 22...Qd6 (better 22...e6!? 23.Qd3 Bb4 24.Bd2 Bd2 25.Kd2 0-0-/+) 23.Qd3= Kd8 (23...e6 24.0-0=) 24.0-0+= g5 (24...a6 25.Re1+=) 25.Qf3 Rg8 (25...Bg7 26.Re1 Qc7 27.Ba3+-) 26.Kh1 (26.fg5 hg5 27.Be3 Rh8+-) 26...g4 (26...Qc7 27.Qe4 f5 28.Qe6 Qc4 29.Re1+-) 27.Qe4 Rg7 (27...a5!?+-) 28.Be3 b6 (28...a5 29.c5 f5 30.Qf5+- (30.cd6?! fe4 31.Ra4 ed6+=)) 29.Rfe1 (29.Ra6 Rc8+-) 29...Qd7? (better 29...Ke8+-) 30.Bb6! Ke8 (30...ab6 31.Ra6 Double attack (31.Ra8 Pinning; 31.Ra8 Deflection; 31.Ra6 Decoy)) 31.Be3 (31.d6!? Rc8 32.Ra7 Qd6+-) 31...f5 (31...h5 32.d6! Rc8 33.de7 Be7 34.Ra7+-) 32.Qe6 Qe6 33.de6 Rg6 34.Ra6 (34.Ra7 Ra7 35.Ba7 Kd8+-) 34...Bg7 (34...Rd8 35.Bc5+-) 35.Rc6 (35.b6 Re6 36.b7 Rb8 37.Re6 Rb7+-) 35...Bb2 (35...Bc3 36.Rc1 Bb4 37.Ra1+-) 36.Rd1 (36.Ba7 Rd8+-) 36...h5 37.Ba7 Kf8 (37...Re6 38.Re6 Ra7+-) 38.b6 h4 (38...Rg8 39.b7 Kg7 40.ba8R Ra8+-) 39.b7 Re8 40.Rc8 Be5 41.Re8 Ke8 42.fe5 Re6 (42...Kf8 43.b8Q Kg7 44.Rd8 Kh6 45.Be3 f4 46.Bf4 Rg5 47.Rh8 Kg6 48.Qf8 g3 49.Qf7) 43.b8Q+- Kf7 44.Rd8 h3 (44...Rh6 45.Rf8 Kg6 46.Qe8 Kg5 47.Be3 f4 48.Bf4) 45.Rf8 Kg7 (45...Kg6 46.Qe8 Kg5 47.Be3 f4 48.Bf4 Kh4 49.Rh8 Rh6 50.Rh6) 46.Rg8 (46.Rh8 Re5 47.Qg8 Kf6 48.Rh6) 46...Kh7 (46...Kh6 47.Qf8 Kh5 48.Qf5 Kh4 49.Rg4) 47.Rh8 (47.Rh8 Kg6 48.Qg8) 1–0. Urbanaites,Elvira – Hrivnakova,Anna, 26th WSCC Women, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nf6)

    5.b5 Ne5 6.d4 Ng6 7.e5 Ng8 8.h4 e6 9.Nf3+-.

    4.ab4 g6

    5.Bb2 Nf6 6.b5 Nb8 7.Bc4 d6 8.Nf3 Bg7 9.d3 0-0 10.0-0 Be6 11.Be6 fe6 12.Nc3 Nbd7 (12...a6 13.ba6 Ra6 14.Qd2+=) 13.Ne2 (13.Ng5!? Nc5 14.d4+/-) 13...a6+= 14.ba6 ba6 15.Ned4 Nc5 16.Ng5 Qd7 17.Ngf3 (17.Ba3 h6 18.Ngf3 Nh5=) 17...Rab8 18.Bc3 Ng4 19.h3 Ne5 20.Ne5 Be5 21.Qg4 (21.Ra3 Rbc8=) 21...Rf4 (better 21...Na4 22.f4 A) 22...Nc3?! 23.fe5 Qa7 24.Qe6 Kh8 25.Kh1 (25.ed6? Qd4 26.Kh2 Rf1 27.Rf1 Qd6 28.Qd6 ed6-+) 25...Qd4 26.Qe7=; B) 22...Rf4 23.Rf4 Nc3 24.Ne6 Bf4 25.Nf4 Qg4 26.hg4 Rb1 27.Rb1 Nb1=+) 22.Qe2= Rbf8 23.f3 (better 23.Ra3=) 23...Na4-/+ 24.Qd2 Nc3 25.Qc3 Rc8 26.Qb4 Qa7 27.c3?? (better 27.Ra4 Rc2 28.Rf2 Rf2 29.Kf2-/+) 27...Rc3!!-+ 28.Ra4 (28.Qc3 Qd4 Double attack (28...Qd4 Decoy)) 28...Rd3 29.Qc4 Rd4 (worse 29...Bd4 30.Kh1 Rd2 31.Ra6-+) 30.Qe6 Kg7 31.Rd4 Qd4 32.Kh1 Rf7 33.h4 (33.Qa2 Qe3-+) 33...h5 34.g4 (34.g3 Qe3 35.Kg2 Bd4-+) 34...hg4 (better 34...Qb2 35.Qe5 de5-+) 35.Qg4 Qd3 36.Kg2 (36.Qh3 Rf4 37.Kg2 Bd4-+) 36...Qd2 (better 36...Bd4 37.f4 Qe4 38.Kg3-+) 37.Rf2 Qh6 (37...Qe3 38.Qg5 Qc3 39.Rf1-+) 38.Ra2 (38.Qg5 Qh8-+) 38...Bf6 (better 38...Qe3 39.h5 Bd4-+) 39.Ra6 (39.h5 Qh5 40.Qh5 gh5 41.Ra6 Be5-+) 39...Qh4 (39...Qd2 40.Kh1 Be5 41.Ra2 Qa2 42.Qg2 Qb3 43.Kg1 Rf3 44.Qf2 Qd1 45.Kg2 Rf2 46.Kf2 Bd4 47.Kg3 Qg1 48.Kf3 Qf2 49.Kg4 Qg2 50.Kf4 e5) 40.Qe6 (40.Qh4 Bh4 41.Ra8-+) 40...Qg5 41.Kf2 Qd2 (41...Bd4 42.Ke1 Qe3 43.Kd1 Qf3 44.Kd2 Qe3 45.Kd1 Rf1 46.Kc2 Rc1) 42.Kg3 Qe1 (42...Bh4! 43.Kh4 Qh6 44.Kg3 Qf4 45.Kf2 Qf3 46.Ke1 Qe3 47.Kd1 Rf1 48.Kc2 Rf2 49.Kd1 Qd2) 43.Kg2-+ Qe2 44.Kg3 Qa6 0-1. De Monts,Louis (1630) - Galhaud,Jean_Philippe (1745), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4)

    5.b5 Bg7+= 6.c3 (6.Nc3 Nd4+=) 6...Na5= 7.d4 e6 (better is 7...Qc7!?=) 8.Nf3+= Ne7 9.Bd3 0-0 10.0-0 b6 11.Ba3 Bb7 12.Nbd2 Rc8 13.c4 a6 14.ba6 (14.Qa4 ab5 15.Qb5 d6+/-) 14...Ba6 15.Qe2 White plans e5 15...d6 16.Rfb1 (16.h4 Re8+=) 16...Nec6 (16...Re8 17.e5 de5 18.de5+=) 17.e5+/- Re8? (better is 17...de5 18.Bf8 Kf8 19.de5 Kg8+/-) 18.Bd6+- Bf8 (18...Ne7 19.g4+-) 19.Bf8 Rf8 20.Qe3 Ne7 (20...f5 21.d5 ed5 22.cd5 Bd3 23.Qd3 Re8+-) 21.Qh6 f6 22.ef6 Rf6 23.Ne4 (better is 23.Ng5 Rc6 24.Qh7 Kf8 25.Qh8 Ng8 26.Nh7 Kf7 27.Re1+-) 23...Rf3 24.gf3 Nf5 25.Qg5 Qg5 (25...Nd4 26.Qd8 Rd8 27.Rb6 Nf3 28.Kg2 Rd3 29.Ra6 Nc4+-) 26.Ng5+- Nd4 27.Rb6 Bc4 28.Bc4 Nc4 29.Rb7 h5?? (29...h6 30.Nf7 Nf3 31.Kh1 Ncd2 32.Nh6 Kh8+-) 30.Raa7 Nd6 (30...Nf5+-) 31.Rg7 Kf8 (31...Kh8 32.Rg6 Nf3 33.Nf3 Rg8 34.Rg8 Kg8+-) 32.Nh7 (32.Nh7 Ke8 33.Rg8) 1–0. Martinez,Jorge Alexander (2165) – Martinez Ramirez,LN (1690), Bucaramanga COL, Udi Cup, 2014. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    4.Bc4?

    4.Bc4? Qa5 5.Nf3 -/+.

    4.Bc4? e6 5.ab4 Bb4 (5...Nf6!? 6.Nf3 Bb4-/+) 6.Bb2 Qg5 (6...Nf6 7.e5 Nd5 8.Nf3+=) 7.Nf3+= Qg6 (7...Qg4 8.0-0 Nf6 9.d3+=) 8.Bd3 Bc5 (better is 8...Nge7+=) 9.c3?? (better is 9.0-0 Nge7 10.Nc3+=) 9...Qg2-+ 10.Rf1 Nf6 11.Bc2 Ng4 12.d4 Be7 13.h4 b6 14.Qe2 Nh2 15.Nh2 Qh2 16.Nd2 Bb7 17.Nf3 Qc7 18.Rg1 g6 19.h5 0-0-0 20.Ng5 Rdf8 21.h6 Na5 22.Bd3 d5 23.e5 Kb8 24.Qc2 Nc4 25.f4 Bg5 26.Rg5? Rc8 27.Bc4 Qc4 28.Ra4 Qb5 29.Rb4?? Qb4! (29...Qb4 30.Rg2 Qe7-+) 0–1. Viviani,Mario (1810) – Delmonico,Nils (1910), Geneve SUI, Bois–Gentil Open, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 Nc6)

    4.Bc4 e6 5.d4 d5 6.Bd3 de4 7.Be4 Nf6 8.Bc6 bc6 9.ab4 Bb4 10.c3 Be7 11.f4 0-0 12.Nf3 c5 13.0-0 Bb7 14.Kh1 Qd5 15.Na3 Rac8 16.c4 Qh5 17.Nc2 a6 18.Qe2 Rfd8 19.dc5 Ne4 20.Kg1 Bc5 21.Ne3 Nd6 22.Kh1 Be3 23.Be3 Nc4 24.Bf2 Nd2! 25.Qe3 0–1. Rios Garcia,Miguel (2005) – Soler Di Benedetto,Sandra (1970), Benidorm ESP, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    4.Bc4 e6 5.d4 d5 6.ed5 ed5 7.Bb3 Nf6 8.ab4 Bb4 9.c3 Bd6 10.Bg5 Be6 11.Nf3 0-0 12.0-0 h6 13.Bh4 Rc8 14.Re1 Be7 15.Bc2 Na5 (better is 15...Re8-/+) 16.Qd3 g6?? (better is 16...Re8 17.Bf6 Bf6 18.Qh7 Kf8+=) 17.Ne5?? (better is 17.Re6 Nc4 18.Re2+-) 17...Bf5= 18.Qd2 Bc2 19.Qc2 g5 20.Qd2? Ne4?? 21.Qe3? gh4-+ 22.Qh6 Bg5 23.Qh5 Nc4 24.Nc4 Rc4 25.g3?! Qf6 (25...Qf6 26.Ra2 hg3 27.hg3 Kg7-+) 0–1. Golubeva,Anastasiya – Kalmykova,Anastasia, RUS–ch U10 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    4.Bc4? e6 5.Nf3 Nf6 6.e5 d5 +=.

    4.Bc4 Nf6 5.d3 e6 6.Nf3 d5 7.ed5 ed5 8.Bb5 Bd7 9.0-0 Be7 10.Bb2 0-0 11.Qd2 ba3 12.Na3 Bc5 13.c4 d4 (better is 13...a6!? 14.Bc6 Bc6-/+) 14.Nc2= Qb6 15.Rfb1 Qc7 16.Ncd4 Nd4 17.Nd4 (better is 17.Bd4 Bd4 18.Nd4=) 17...Ng4-/+ 18.g3 Qd6 (better is 18...Rad8!? 19.Qe2 Rfe8-+) 19.Bd7= Qd7 20.Qf4 Rfd8 21.h3 Nh6 22.Nb5 (22.Ne2 Qh3 23.Qg5 f6 24.Qc5 Ng4 25.Ra7 Ra7 26.Qa7 Re8+=) 22...Qd3 (22...Qh3 23.d4 Bb4 24.Qf3+= (24.Ra7? Ra7 25.Na7 Ng4-+)) 23.Qe5 (better is 23.Bg7!? Bf2 24.Kf2 Kg7 25.Nc7=) 23...Bf8+= 24.Qc7 Rdc8 25.Qb7 Will a7 fall? 25...Rab8 26.Qa7?? (better is 26.Qg2+=) 26...Bc5-+ 27.Qa4 (27.Qb8 Rb8 28.Be5-+) 27...Qg3 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qf3 31.Kg1 Bf2 32.Kf1 Bg3 (32...Bg3 33.Kg1 Qf2 34.Kh1 Qh2#; 32...Ng4 33.Bg7 Ne3) 0–1. Bednarczyk,Katarzyna – Gora,Antonina (1745), Otwarte Mistrzostwa Wojewodztwa Lubelskiego Poland, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

    3.a3 d5

    4.ab4 e6 5.ed5= Qd5 6.Bb2 (6.c3 Bd6=) 6...Nf6 (6...Qe4 7.Ne2 Qb4 8.Ba3+=) 7.Nc3 Qe5 8.Be2 Nbd7 9.Nf3 Qb8 10.b5 Bd6 11.b6 (11.0-0 0-0=) 11...a6 12.Na4 Nc5 (12...e5!?=) 13.Nc5+= Bc5 14.Be5 Bd6 15.d4 Nd7 16.Bg3 (16.Bg7 Rg8 17.Be5 Ne5 (worse is 17...Rg2 18.Bg3+/-) 18.de5 Be5 19.Ne5 Qe5=) 16...Bg3 17.hg3 Qd6 18.c4 Qb6 (18...Nb6? 19.c5 Qd8 20.cb6 Qb6 21.Ne5 Qb4 22.Qd2 Qd2 23.Kd2+-) 19.g4 Qc7 20.Qd2 b6 21.d5 (21.Qg5 g6=) 21...Qd6 22.Ng5 Nf6 23.Qe3 Bd7 24.f4 Kf8 25.Rd1? (better is 25.de6 Be6 26.Ne6 Qe6 27.Qe6 fe6 28.Bf3=) 25...ed5-+ 26.f5 Re8 27.Qc3 Qe7 28.Rd2 dc4 29.Kd1 (29.Qc4 Bb5 30.Qa2 Ng4-+) 29...Ba4 30.Kc1 b5 31.Bf3 Qe3 (better is 31...Bb3-+) 32.Qb4 (32.Qe3 Re3 33.Rd8 Re8 34.Rd6-+) 32...Kg8 33.Kb2 Qg5 34.Rhd1 Bd1 (34...Bd1 35.Bd1 h5 36.gh5 Qf5-+) 0–1. Huettemann,Ralf (1950) – Zunker,Michael, Baden–ch MA Ottenau, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5)

    4.c3? bc3 5.Bb5 (5.Nc3 de4 6.d3 Nf6 7.de4 Qd1 8.Kd1 Nc6-/+) 5...Bd7 6.Nc3 Bb5 7.Nb5 de4 8.Qa4 Nc6 9.Qe4 Nf6 10.Qe2 a6 11.Nc3 e6 12.Nf3 Be7 13.Bb2 0-0 14.0-0 b5 15.Rfe1 Qb6 (15...Rc8 16.d3-/+) 16.Rad1 (16.Ne4 Nd5-/+) 16...Nd4 17.Qd3 Nf5 18.Ne4 Rad8 19.Qe2 Nd5 20.Ne5 Nf4 (20...f6 21.Nd3-+) 21.Qf3-/+ Ng6 22.Ng6 hg6 23.Rc1 Nd4 24.Qe3 Rd5 25.Ng5?? (better is 25.Rc2-/+) 25...Bg5-+ (25...Rg5?! 26.Bd4 Qd6 27.Rc3-/+) 26.f4 (26.Bd4 Qd4 27.Qd4 Rd4 28.Red1-+) 26...Bf4! 27.Qf2 (27.Qf4 Ne2) 27…Bd2 (27...Bd2 28.Kh1 Be1 29.Qe1 Rfd8-+) 0–1. Holmgren,Morris A – Steinmeyer,Robert H, USA Golden Knights corr, 1956. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    4.c3? de4 5.ab4 Nf6 6.d4 -+.

    4.c4 de4-/+ 5.Nh3? (better is 5.ab4!? e5 6.c5-/+) 5...e5-+ 6.d4 (6.Qb3-+) 6...Qd4 7.Bd2 (7.Qd4 ed4 8.Nf4-+) 7…Qa1 0–1. unknown – Morris,T, corr, 1978. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    4.d4 ba3 5.Ba3 (better is 5.ed5!? Qd5 6.Na3 Qe4 7.Ne2+=) 5...de4-+ 6.Bc4 Nc6 7.d5 Ne5 8.Bb5 Bd7 9.c4? (better is 9.Bb2-+) 9...Nd3 10.Kf1 Bb5 11.cb5 Qd5 12.Nc3 (12.Qa4 Nf6-+) 12...Qf5 (better is 12...Qd4!? 13.Qd2 Rc8 14.Bb2-+) 13.Qe2 Qf6 14.Bb2 Nb2 15.Qb2 Rc8 16.Rc1 e3 17.f3 (17.Nd1 Rc1 18.Qc1 Qf5-+) 17...e6 18.Rc2 Qf5 19.Nh3 (19.Ke2-+) 19...Qd3 20.Ke1 (20.Re2 Rc3 21.Nf4 Qc4-+) 20...Ba3! 21.Qb1 Rc3 (21...Rc3 22.Nf4 Qc2 (22...Rc2?! 23.Nd3 Rc3 24.Ke2-+) 23.Qc2 Rc2-+) 0–1. Fisher_Kirshner,T – KnightStalker, Fremont, CA, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    4.d4 de4 5.ab4 e5 6.Ra4 ed4 7.b5 -/+.

    4.ed5 ba3 5.Ba3 Qd5=+ 6.Nf3 Nf6 7.Nc3 Qd8 8.Bc4 g6 9.Ne5= e6 10.Bb5 Nbd7 11.Qf3 Ba3 12.Bd7 Bd7 13.Ra3 0-0 14.0-0 b5 15.Nd7= Nd7 16.Nb5 a6 17.Rfa1 Nc5 18.d4+= Rb8 19.Na7 Qd4 20.Nc6+/- Qd6 21.Nb8 Rb8 22.g3 Rb4 23.Qc3 Rb5 24.Ra5+/- Ra5 25.Qa5 Qd4+= 26.Rb1 Ne4 27.Qb6 Nc5 28.Qb8 Kg7+= 29.Qb2 Qb2 30.Rb2 Kf6 31.f4 Ke7 32.Rb6 Kd7 33.Rb8 a5? 34.Rb5+- Kc6 35.Ra5 Kb6 36.Ra8 1–0. Monokroussos,D (2255) – Landenbergue,C (2405), Oz.com qualifier blitz, 2000.

    4.e5 g6 5.ab4= Bg7 6.d4 Nh6 7.Nf3 0-0 8.Bd3 Bf5 (8...Nc6 9.c3=) 9.0-0+= Bd3 10.Qd3 Nd7 11.c4 (11.Bg5 Nb6+=) 11...dc4 12.Qc4 Nb6 13.Qd3 Nd5 14.Bd2 Qd7 15.Na3 (15.Rc1 Nf5+=) 15...Rfc8 16.Nc2 (16.Nc4 Nf5=) 16...f5 (16...Nf5 17.b5=) 17.Ne3+= e6 18.Rfc1 Nf4 19.Qf1 Rc1 20.Rc1 Rc8 (20...a6 21.h3+-) 21.Rc8 Qc8 22.Nf5 (22.Qc4 Qc4 23.Nc4 Nd5+-) 22...Nh3+= 23.gh3 Nf5 24.Qb5 Bf8? (better 24...a6 25.Qd3 Qd7=) 25.Ng5?? (better 25.d5+-) 25...Qc2-/+ 26.Be1 (26.Qb7 Qd1 27.Kg2 Nh4 28.Kg3 Qg1 29.Kf4 Qf2 30.Ke4 Qg2 31.Kd3 Qb7-+) 26...Qd1 (26...Qc1!? 27.Nf3 Nd4 28.Nd4 Qe1 29.Kg2 Qb4-/+) 27.Kf1= Nd4?? (better 27...Qh5 28.Ne6 Qh3 29.Ke2 Qg4 30.Kf1 Qh3 31.Ke2 Qg4 32.Kf1 Qf3=) 28.Qd7+- Qe2 29.Kg2 Qe5 30.Qf7 (30.Qf7 Kh8 31.Qf8; 30.Qh7) 1–0. Martinez,Julian (2205) – Tovio,Israel (2295), IRT Camp Nal Mayores Absoluto AJEDREZ B, 2012.

    4.f3 e5 5.ab4 Bb4 6.c3 Be7 7.d4 de4 8.fe4 ed4 9.cd4 Bb4 10.Ke2 Qe7 11.Qc2 (11.Qd3 Nc6 12.Nf3 Bf5-+) 11...Nc6-+ 12.Nf3 White prepares the advance e5 12...Bg4 13.Bb2 Nf6 14.e5 0-0 (14...Rc8 15.Qd3-+) 15.Kf2-/+ Nd5 16.Qe4 Be6 17.Bd3 f5 18.Qe2 Rad8 19.Rd1 Nf4 20.Qe3 Nd3 21.Qd3 Bd5 22.Nc3 Bf3 23.Qc4 Kh8 24.Kf3? Rd4! 25.Qd4 Nd4 26.Rd4 Bc5 27.Rd5 b6 28.Rad1 Qh4 29.g3 Qh2 30.R1d2 Qh5 31.Kg2 f4 32.gf4 Qg4 33.Kh2 Qf4 34.Kh3 Qf1 (34...Qf1 35.Kh2 Qg1 36.Kh3 Rf3 37.Kh4 g5 38.Kh5 Rh3#; 34...Qe3 35.Kg2 Qg1 36.Kh3 Rf3 37.Kh4 g5 38.Kh5 Rh3) 0–1. Hjorth,Jens – Trygstad,Kristian (2225), NOR–chB op Gausdal, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    4.Qf3? de4 5.Bb5 Bd7 6.Bd7 Qd7 7.Qe4 Nf6 8.Qb4 e5 9.Qb3 Bc5 10.Nc3 Nc6 11.Nf3? (11.Nge2 Nd4 12.Nd4 ed4-/+ (12...Qd4?! 13.Qb5 Kf8 14.0-0=; worse is 12...Bd4 13.0-0+=)) 11...0-0 (11...e4!? 12.Ng5 Nd4 13.Qa2-+) 12.0-0 e4 13.Ng5 Nd4 14.Qa2 (better is 14.Qc4 Rac8 15.Nge4 Ne4 16.Ne4 Nf3 17.Kh1-+) 14...Qg4 15.d3 (15.Nh3-+) 15...Nf3 16.Nf3 (16.Kh1 Ng5 17.Bg5 Qg5 18.Ne4 Ne4 19.de4-+) 16...ef3 17.g3 (17.Qf7 Rf7 18.g3 Qh3 19.Be3 Qg2) 17...Qh3 18.Qf7 Kf7 19.Re1 Qg2# 0–1. Saca,Mansur K – Goldfarb,W, Berkeley CC–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    4.Qf3? Nf6 5.Bb5 Bd7 6.Bd7 Nbd7 (6...Kd7?! 7.ed5 Qc7 8.d6 ed6 9.Bb2=; 6...Qd7?! 7.ed5 Nd5 8.Bb2-/+) 7.d3 (7.ed5 Ne5 8.Qg3 Qd5 9.ab4 Nc6+=) 7...de4 8.de4 Ne5 9.Qf4?? (better is 9.Qe3-+) 9...Qd4 10.Ra2 (10.Qd2 Qa1 11.Qb4 0-0-0-+) 10...b3 (10...Qe4?! 11.Qe4 Ne4 12.ab4-+; 10...Ne4 11.Nd2 b3 12.Nb3 Qc3 13.Bd2 Nd3 14.cd3 Qb3 15.Qe4 Qb1 16.Ke2 Qa2 17.Qa4 Kd8 18.Qd4 Kc7 19.Qe5 Kd7 20.Qd4 Ke6 21.Nf3-/+) 11.cb3 (11.Ne2 ba2 12.Nd4 ab1Q 13.0-0-+) 11…Nd3 (11...Nd3 12.Ke2 Nf4 13.Bf4 Qe4 14.Be3 Qg2-+) 0–1. Haroldlee123 – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5)

    4.Qf3? Nf6 5.ed5 Bg4 6.Bb5 Nbd7 7.Qb3 -/+.

    4.ab4 de4

    5.Na3 e5 6.Qh5 Nc6 7.b5-/+.

    5.Na3 Nf6 6.Bb2 Nc6 7.b5 Nd4 8.Bd4 (8.Ne2 e5-/+) 8...Qd4 9.Ne2 Qc5 10.Nc3 (10.Ng3 h5 11.h4 g6-/+) 10...b6 (10...e5 11.Nc4-/+) 11.Be2 (11.Nc4 e5=+) 11...Qg5-/+ 12.g3 (12.Rg1 Qh4 13.Rh1 Bb7-/+) 12...Bb7 (12...e5 13.f3-/+) 13.0-0 (13.f4 Qc5 14.Nc4 e6-/+) 13...e6 (13...e5 14.Nc4-/+) 14.Nc4 Bc5 15.Na4 Be7 (15...0-0 16.Nc5 Qc5 17.Ne3-/+) 16.Nc3 0-0 17.Ra4 Bc5 18.Ne3 (18.Qa1 Bd5-/+) 18...Rfd8 19.Qa1 (19.Bc4 Rd4-/+) 19...h5 (19...Rd2!? 20.Ra7 Rdd8-+) 20.Ra7-/+ h4 21.Rb7?? (better 21.Rd1-/+) 21...Ra1-+ 22.Ra1 Rd2 23.Ra8 (23.Ned1 hg3 24.Ra8 Kh7 25.hg3 Qg3 26.Kf1 Qh2-+) 23...Kh7 24.Rbb8 (24.Nf1 Rc2 25.Rf7 Rc3 26.Rff8-+) 24...Be3 25.Rh8 Kg6 26.Rh4 0–1. Strekalovski,V (1935) – Scerbin,D (2365), ch–Chess Disabled, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4)

    5.Bb2 e6 6.b5 b6 7.f3 Bb7 8.Be2 Nf6 9.Nh3 (9.Nc3 Bc5=+) 9...Bc5-/+ 10.d4 ed3! 11.Bd3 (11.cd3 Nbd7 Combination; 11.Qd3 Nbd7 Combination; 11.Bd3 Nbd7 Combination) 11...Nd5 12.Qe2 (12.Ra4 Nb4-/+) 12...Qh4-+ 13.Nf2 (13.Kd1 Ne3 14.Kc1 Qh6-/+) 13...Nf4 14.g3 Ne2 (14...Nd3?! 15.Nd3 Qg5 16.Nc5 bc5 17.Nd2=+) 15.gh4 Nd4 (15...Bf3 16.Rf1 Nd4 17.Ne4-/+) 16.Ne4 (16.Nd2-+) 16...Nf3 17.Kd1 0-0 18.Nbd2 (18.Rf1 Nh2 19.Nc5 bc5-+) 18...Nd2 (18...Rd8 19.Rf1 Nd2 20.Nd2-+) 19.Kd2 Nd7 (19...Be7 20.Rhg1 f6 21.h5-+) 20.Nc5 Nc5 (20...bc5?! 21.Rhg1 e5 22.Ra4-/+) 21.Rhg1 f6 22.h5 Nd3 (22...a5 23.ba6 Ba6 24.Ba6 Na6 25.h6-+) 23.cd3 a6 24.h6 g6 25.ba6 Ba6 (25...Ra6 26.Ra6 Ba6 27.Ra1-+) 26.Ra4 (26.Rgc1 Bb7 27.Ra8 Ba8 28.Ba3=+) 26...Rfd8 27.Bf6 Rd3 28.Ke1 Rd5 (28...Rf3 29.Bg7-+) 29.Rh4 (29.Rg2 b5 30.Rd4 Rf5-+) 29…Bd3 0–1. Andries,Gommaar – De Ridder,Francois, Belgian correspondence championship, 1967. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4)

    5.Bb2 e6 6.b5 Nf6 7.d3 Qd5 8.c4 Qf5 9.Nh3 Bb4 10.Bc3 Bc3 11.Nc3 0-0 12.Qd2 ed3 13.Bd3 Qe5 14.Kf1 Rd8 0–1. Andre,Jean – Zhitnikov,Andrew, CP–2005–P–00095, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4)

    5.Bb2 e6 6.Nc3 f5 7.d4? (better is 7.b5!?+=) 7...Bb4-+ 8.Be2 (8.Ra4 a5 9.Qh5 g6 10.Qd1-+) 8...Nf6 9.Bc4? (9.Qd2 Nd5-+) 9...Nc6 (better is 9...Qc7 10.Bb5 Bd7 11.Bd7 Kd7-+ (11...Nfd7?! 12.Qh5 g6 13.Qh3-+; 11...Qd7?! 12.Nge2-+)) 10.Nge2 e5 11.de5 Qd1 12.Rd1 Ne5 13.Ba2 Rf8 (13...Bd7!? 14.0-0 Rc8 15.Nd5 Nd5 16.Bd5-+) 14.0-0-/+ Ng6 (14...Bd7!? 15.Nd5 Nd5 16.Bd5 Bb5 17.Be5 Be2-/+) 15.Nb5+= Rf7 16.Bf7 Kf7 17.Bf6 gf6 (17...Kf6? 18.Nc7 Rb8 19.Nd5 Kg5 20.Nb4+-) 18.Rd8 a5 19.Nc7 Be7 20.Na8 Bd8 21.Nd4 a4 (21...Ne5!?-/+) 22.Ra1= Bd7 23.f3? (better is 23.Rb1=) 23...Be7-+ 24.fe4 Bc5 25.c3 fe4 26.Kf2 f5 27.Ke2 (27.Nc7 Ne5-+) 27...Nf4 28.Ke3 (28.Kd2 Ng2 29.Rb1 b5-+) 28...Ng2 29.Ke2 Nf4 30.Ke3 (30.Kd2 Nd5 31.Rb1 Bd4 32.cd4 b5-+) 30...Nd5 31.Ke2 (31.Kd2 b5 32.Rb1-+) 31...Nc3 32.Ke3 Nd5 33.Ke2 (33.Kd2 Bd4 34.Rb1 a3-+) 33...Bd4 34.Rb1 Nc3 35.Kd2 Nb1 36.Kc2 e3 37.Kd3 Bb5 38.Kd4 e2 39.Ke3 e1Q 40.Kf3 Nd2 (40...Nd2 41.Kf4 Kf6 42.Nc7 Qe5) 0–1. Fisher_Kirshner,T – KnightStalker, December, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4)

    5.Bb2 e6 6.Bc4 Nf6 7.b5 Nbd7 8.f3. Ibanez,Thomas – Marks,Andy, Tournoi, 2008.

    5.Bb2 Bf5 6.g4 (6.Ne2 Nf6=+) 6...Bg6-/+ 7.h4 h6 (7...h5 8.gh5 Bh5 9.Be2-/+) 8.Nh3 Nc6 9.b5 Nd4 10.Bg2 (10.Bd4 Qd4 11.Nc3 e5-/+) 10...e5 11.g5 (11.h5 Bh7-/+) 11...Bc5 (11...hg5!? 12.Bd4 Qd4 13.c3-+) 12.h5 Bf5 13.g6 (better 13.Nc3!? e3 14.Ne4 ed2 15.Qd2-+) 13...fg6-+ 14.hg6? (14.c3 Nb5 15.Qa4-+) 14…Qf6 (14...Bg6?! 15.Qg4 Ne7 16.Be4 Nc2 17.Bc2 Bc2 18.Nc3-+) 0–1. Andries,Gommaar – Boudelet,Georges, Belgian correspondence championship, 1967. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4)

    5.Bb2 Nf6 6.Bc4 e6 7.c3 Nc6 8.Bb3 (8.d4!?-/+) 8...Ne5-+ 9.Bc2 Nc4 10.Ba3 b5 11.Ne2 Bb7 12.0-0 Bd6 13.d3 (13.Bc1 0-0 14.Na3 Bh2 15.Kh1 Ng4-+) 13...ed3 14.Bd3 Bh2 15.Kh1?? (15.Kh2 Ng4 Combination) 15...Qd5 16.f3 Qh5 (better is 16...Ne3 17.Kh2 Qg5-+) 17.Ng1 Ne3 18.Qe2 Nf1 (better is 18...a6!? 19.Nh3 Nf1 20.Qf1-+) 19.Bb5 Ke7 20.Qf1 Bc7 21.Nh3 Qe5 22.f4 Qe3 23.Qf2 (23.Bc6 Bc6 24.b5 Ke8 25.bc6-+) 23...Qh3 24.Kg1 Qg4 25.Bc6 Qd1 (25...Qd1 26.Kh2 Ng4 27.Kg3 Nf2 28.b5 Kf6 29.Kf2 Bb6 30.Kg3 h5 31.Be7 Ke7 32.Bf3 Qe1 33.Kh3 Qh1 34.Kg3 f5 35.Bb7 h4 36.Kf3 Qf1) 0–1. Paiva,Henrique M A Alberg (1625) – Lagunow,Raphael (1880), Wch U12 Maribor, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4)

    5.Bb2 Nf6 6.Bc4 Bg4 7.Ne2 e6 8.c3 Bd6 9.Qa4 Nbd7 10.Qb3 0-0 11.h3 Bh5 12.g4 Bg6 13.Be6 Ne5 14.Bf5 Nd3 15.Kf1 Bf5 16.gf5 Nh5 17.h4 Qd7 18.Ra5 Be5 19.Nd4 Bd4 20.cd4 b5 21.Rh3 Qf5 22.Rd3 ed3 23.Nc3 Qh3 (23...Qh3 24.Kg1 Nf4 25.Qd5 Rae8 26.Qf7 Rf7 27.Ra7 Qg2) 0–1. Aviles,O – Espinoza,A, CHI–ch Santiago de Chile, 1951.

    5.Bb2 Nf6 6.d4 ed3! 7.Bd3 (7.cd3 e5 Combination; 7.Qd3 Qd3 Combination; 7.Bd3 e5 Combination) 7...e6 8.b5 Bb4 9.Nd2 Nbd7 10.Ngf3 Nc5 11.Ne5 Nfe4 12.Be4 Ne4 13.Nec4 (13.c3!? Nc3 14.Qf3-/+) 13...Qd5 14.Qe2 Nd2 15.Nd2 Bd7 16.Rd1 Bb5 17.Qg4 Ba5 18.Qg7?? (18.Bd4 e5 19.Be3-+) 18…Qe4# 0–1. Krasyakov,Anton A (2005) – Viushin,Dmitry A (2100), Petrozavodsk Elo–C, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4)

    5.Bb5 Nc6 6.Nc3 Nf6 7.Nge2 e5 8.Ba3 Bd6 (8...Be7 9.Ng3-/+) 9.0-0 0-0 10.Bc6 bc6 11.Ng3 Re8 (11...Rb8!?-/+) 12.Nce4= Bc7 13.Bb2 Ne4 14.Ne4 f5 15.Nc5 e4 16.f4 (16.Qh5 Bd6=) 16...Be6 17.Qe1 Bc4 (better is 17...Bb6!?=) 18.d3 ed3?? (better is 18...Bf7+=) 19.Qc3+- (19.Qc3 Re7 20.Qc4 Qd5 21.Qd5 cd5 22.cd3+- (22.Nd3?! Bb6 23.Kh1 Re2+-)) 1–0. Nasikan,Nikolai – Tkach,Mikhail, Stepichev Memorial, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4)

    5.Nc3 e5 6.b5 Nf6-/+ 7.Qe2 Bc5 8.Ne4= Ne4 9.Qe4 0-0 10.Bd3= g6 11.Ne2 Qe7 12.Bb2 Re8 13.0-0 Bf5 14.Qc4 Bd3 15.Qd3 Nd7 16.Nc3 Nf6 17.Na4 Rad8 18.Qe2 Bd6 19.d3 Qd7 20.Qf3 Nh5 21.Nc3 Bb8 22.Ne4 f5 23.Ng5 h6 24.Nh3 Qb5 25.Bc1 Kh7 26.Be3 b6 27.Ra3 Qd5 28.Qd1 Rc8 29.Qc1-/+ f4 30.Bd2 Rc6 31.f3 Rec8 32.c4-/+ Qd7 33.Qb2 Re8 34.Nf2=+ Nf6 35.Bc3 Qf7 36.Raa1 Nd7 37.Rfe1 Rce6 38.Bb4 g5 39.Re2 Qf5 40.Rae1 Nf6 41.Qc2 h5 42.h3 Kh6 43.Qd1 Bd6 44.Bd6+= Rd6 45.Qa1 Rde6 46.Qa7 g4 47.hg4 hg4 48.fg4 Ng4 49.Ng4 Qg4 50.Qb7 Rg6 51.Rf2+= Qh3 52.Qf3 Qf3= 53.Rf3 Kg5 54.Rf2 Kf5=+ 55.Kf1 Rd6 56.Rd2 Red8 57.Rde2 Re6 58.Rd2 Rg8 59.Rde2 Rg3-/+ 60.Rd2 Rh6 ½–½. Mlotkowski,Stasch – Horowitz,Israel Albert, Bradley Beach, 1928.

    5.Bc4 Qd4 6.Bb5 Bd7 7.c3 Qb6 8.Bc4 Nf6 9.Qb3 e6 10.Nh3 Be7 11.0-0 0-0 12.Re1 Nc6 13.Ng5 Qc7 14.Ne4 Ng4 15.Ng3 Nce5 16.Be2 f5 17.d4 Ng6 18.Nd2 Rfc8 19.c4 Kh8 20.c5 h5 21.h3 Nf6 22.Nh5 Nh5 23.Bh5 Nf4 24.Bf3 Bc6 25.Nc4 g5 26.Ne5 Bf3 27.Nf3 Bf6 28.Bf4 Qf4 29.g3 1–0. dash _ mate – thecurator, ChessWorld.net, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4)

    5.Bc4 Nf6 6.Ne2 e6 7.c3 Bd6 8.Nd4 Nbd7 9.Nb5 Bb8 10.d3 Ne5 11.Ke2 0-0 12.Bg5 ed3 13.Bd3 Nd3 14.Qd3 Qd3 15.Kd3 Nd5 16.Re1 f6 17.Bh4? Nf4 (17...Nf4 18.Kd2 Bd7-+) 0–1. Henrio,P (1690) – Follereau,Xavier, 4th Open, Angers FRA, 2009.

    5.d4 Nf6 6.c3 e6 7.Be3 Be7 8.Nh3 0-0 9.Nf4 Qc7 10.Qb3 Nbd7 11.Bc4 Nb6 12.Be2 Nbd5 13.0-0?? Bd7 14.Nd5-/+ ed5 15.f4 Bg4 16.Qc2 a6 17.Rc1 Rac8 18.Qd2 h5 19.h3 Be2 20.Qe2 g6 21.Nd2 Qd7 22.Nb3 h4 23.Nc5 Bc5 24.bc5 Nh5 25.Qb2 Ng3 26.Rcb1 Rc7 27.Kf2 Nf5 28.Qb6 Re8 29.Qf6 Re6 30.Qg5 Kg7 31.Qg4 Rc8 32.Rb2 Ra8 33.Rab1 Ra7 34.Rb6 a5 35.Ke2 a4 36.Bf2 Qe7 37.Be1 a3 38.Ra1 a2 39.Rb2 Rea6 40.Kd2 e3 41.Ke2 Qe4 42.Qf3?? Qe8 43.Qd5 Ra5 44.Qe5 Qe5 45.fe5 Kh6 46.Kd3 Kg5 47.Ke4 1–0. inznorek (1675) – anman (1930), kurnik, 2011.

    5.Qe2 f5 6.d3 ed3 7.Qd3 e5 8.Qd8 Kd8 9.c3 Nf6 10.Nf3 Bd6 11.Na3 Nc6 12.Nc4 Ke7 13.b5 e4 14.Ng5 Nd8 15.Be3 Bd7 16.Nd6 Kd6 17.Bb6 Ke7 18.Bc5 Ke8 19.Ba7 Ne6 20.Ne6 Be6 21.Be2 Nd5 22.Kd2 Kf7 23.Bd4 Rhd8 24.Rhc1 Rac8 25.Ra4 Nf4 26.Bf1 Bb3 27.Rb4 Ne6 28.Rb1 Nd4 29.cd4 Bd5 30.Ra1 Rd7 31.b6 ½–½. Mentel,Thomas (1700) – Mathioudakis,Diana, IECG, 1999.

    5.Nc3 Nf6

    6.Bb5 Nc6 7.Ba4 Bd7 8.Rb1 e6 9.Na2 (9.b5 Nd4-/+) 9...Be7 (9...a6 10.Bc6 Bc6 11.Nc3-+) 10.Ne2 0-0 11.b5 Ne5 12.Bb2 Nc4 13.Nac3 Nb2 14.Rb2 a6 15.Ng3 a5 (15...Qb6 16.Qe2-/+) 16.Nce4 b6 17.0-0 Bc8 18.Re1 Bb7 19.c3 Qd7 20.Bc2 (20.Nf6 Bf6 21.Qg4 Be7+=) 20...Rfd8 (20...Nd5 21.Qh5 h6 22.Qe5-/+) 21.d4 Rac8 (21...Nd5 22.Ne2+=) 22.Nf6= Bf6 (22...gf6? 23.Qh5 f5 24.Nf5+-) 23.Qd3 g6 24.Bb3 (24.Qe3 Bd5=) 24...Bd5 (24...e5!?-/+) 25.Bd5= Qd5 26.Ne4 Be7 (26...Bg7 27.Rd1+=) 27.Ra1 (27.Nd2!?=) 27...e5-/+ 28.Ra4 f5 29.Nd2 ed4 30.c4 Qe5 31.h3 Qe1-+ 32.Nf1 Qe4 33.Qe4 fe4 34.Re2 e3! 35.fe3 d3 36.Rd2 Bb4 37.Rd1 Rc4 38.Ra2 Kg7 39.Nd2 Rc2 40.Rda1 Bd2 41.e4 Be3 (41...Be3 42.Kh2 Bf4 43.Kg1 Ra2 44.Ra2 d2 45.Rd2 Rd2 46.g3 Be3 47.Kf1 a4 48.h4 a3 49.h5 a2 50.h6 Kh6 51.Ke1 a1Q) 0–1. Huettemann,Ralf (1950) – Bauschlein,Andreas, Baden–ch MA Ottenau, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4 5.Nc3 Nf6)

    6.Bb5 Nc6 7.Qe2 e6 8.Qc4 (8.Ne4!? Bb4 9.c3+=) 8...Bd7 9.Ne4 Nb4 10.Nf6 gf6 11.Rb1 (better is 11.Kd1!?-+) 11...Rc8 12.Bd7 Qd7 13.Qe4 (13.Qb3 Nc2 14.Kf1 Nd4-+) 13...Nc2 (13...f5!? 14.Qe5 Rg8 15.Ne2-+) 14.Kf1 b6 15.Bb2 Be7 16.Nf3 Nb4 17.d4? (better is 17.Bf6 Bf6 18.Qb4 Qd3 19.Kg1-+) 17...Qb5 18.Kg1 Qd3 19.Qd3 Nd3 20.Ba1 Rc2 21.h4 (21.Ne1 Ne1 22.Re1-+) 21...Nf2 (21...Rf2?! 22.Ne1 Rd2 23.Bc3 Ne1 24.Bd2-+) 22.Rh2 Bd6 23.Ne5 (23.g3 Bg3 24.Rg2 Rg8-+) 23...fe5 (23...Ne4!? 24.g4 Rh2 25.Kh2 fe5 26.de5-+) 24.g4 Rg8 25.g5 h6 (25...ed4 26.Rf2 Rf2 27.Kf2-+) 26.Rf2 Rf2 27.Kf2 hg5 28.h5 (28.Rc1 f5 29.hg5 e4 30.Rc8 Kf7 31.g6 Rg6-+) 28...Ke7 (better is 28...e4 29.Rh1-+) 29.de5 Bc5 30.Kf3 g4 31.Kg3 Be3 32.Bc3 Bh6 33.Bb4 Kd7 34.Rd1 Kc6 35.Rf1 Rd8 36.Be7 Rd5 37.Rf7 Re5 38.Kg4 Re4 39.Kg3 a5 40.Bf8 Bf8 41.Rf8 Re1 42.Rf2 Rd1 43.Re2 Kd6 44.h6-/+ Ke7 45.h7 Rd8 46.Rb2 Kf6 47.Rb6 Rh8 48.Rb7 Kg6 49.Re7= Rh7 50.Re6 Kf7 ½–½. Cardinali,Egidio – Andreoli,G, ITA Italy, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4 5.Nc3 Nf6)

    6.Bb2 Nc6 7.Nh3 -+.

    6.Bb5 Bd7 7.Bd7 Nbd7 (7...Kd7?! 8.Ne4 e6 9.Qf3 Ne4 10.Qe4=; 7...Qd7?! 8.b5+=) 8.Qe2 e6 9.Ne4 Ne4 (9...Bb4!? 10.Nf3 0-0-/+) 10.Qe4= Qb6 11.c3 Be7 12.Ne2 0-0 13.0-0 Nf6 14.Qe3 Nd5 15.Qb6 Nb6 16.d3 Nd5 17.Bd2 a6 18.Rfb1 Bf6 19.Ra3 Rfd8 20.g4 h6 21.c4 Ne7 22.Bc3 Bc3 23.Rc3 Nc6 24.f4 Nd4 25.Kf2 g5 26.fg5 hg5 27.Nd4 Rd4 28.h3 Rad8 29.Rbb3 f5 30.gf5 ef5 31.b5 Rf4 32.Kg2 Re8 33.Rc2 Rd4 34.b6 Re6 35.c5 Rc6 36.Ra3 Rd5 37.Rac3 Kf7 38.Kf3 Kf6 39.Ke3 Ke5 40.Rc4 f4 41.Ke2 Rd4 42.R4c3 Rb4 43.Kf3 Rb1 44.Rc4 Kd5 45.Rg2 Rg6 46.Rgc2 Rh6-+ 47.Kg4 Rg1 48.Kf5 f3 49.Rg4 Rd1 50.Rg5= Rd3 51.Rg7 Re3? 52.Rb7+- Re2 53.Rd7 Kc6 54.Rc7 Kd5 55.Rc1 f2+= 56.Rf1 Rh3 57.b7 Rb2 58.c6+/- Re3 59.Rd1 Kc4+= 60.Rc1 Kd3?? 61.Rd7+- Ke2 62.c7 Rf3 63.Kg4 Rb4 64.Kg5 Rb5 65.Kg6 Rb6 66.Kg7 Rg3 67.Kf7 Rf3 68.Ke7 Re3 69.Kd8 Rb7 70.c8Q Rd7 71.Kd7 Rd3 72.Ke6 f1Q 73.Qc2 (73.Qc2 Kf3 74.Rf1 Kg3 75.Qd3 Kh4 76.Rg1 a5 77.Qh7) 1–0. Papp,Jozsef (2035) – Kovacs,Robert (2160), HUN–chT2 Toth, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4 5.Nc3 Nf6)

    6.Bb2 e6 7.Bb5 Bd7 8.Qe2 Bb4 9.Ne4 (9.Nh3!?-/+) 9...Ne4-+ 10.Bd7 Qd7 (worse is 10...Kd7 11.Qe4 Nc6 12.Nf3+=; 10...Nd7?! 11.Qe4 a5 12.Nf3+= (12.Qb7? Bd2 13.Ke2 Rb8-+)) 11.Qe4 Bd2 12.Ke2 Qb5 13.Kd2 Qb2 14.Ne2 0-0 (better is 14...Nc6!? 15.Rhb1 Qf6-+) 15.Rhb1-/+ Rd8 16.Ke1 Qf6 17.Qb7 Nd7 18.Rd1 Nc5 (18...a5 19.Qb5-/+) 19.Qb4 (19.Qc7 Ne4 20.f3 Nd6+=) 19...Qe5 20.Rd8 Rd8 21.Ra7 (21.Ra5 Qd6 22.Qd4 Qb6-/+) 21...Qh2 (21...Qd6 22.Kf1 Qd1 23.Qe1 Qc2 24.Nd4 Qd3 25.Ne2-+) 22.Ng3 (better is 22.f3 Qd6 23.Qf4-/+) 22...Qg2?? (better is 22...Qh6 23.Ra1 Qf6-/+) 23.Qc5+/- Qf3 24.Rd7! Ra8 25.Qa5!? h5 26.Rd8 Rd8 27.Qd8 Kh7 28.Qd4 g6 29.c4+- e5 30.Qe5 h4 31.Ne4 Kg8 32.Ng5 Qc6 33.Qf4 f6 34.Qe4 Qa4 35.Qg6 (35.Qg6 Kf8 36.Qf7) 1–0. Larsen,Martin Halsvik (2065) – Hegelund,Ole Jakob (1770), Tromso NOR, NGP Nov, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4-/+)

    6.b5 Nbd7 -/+.

    6.Bc4 e6 7.Qe2 Nc6 8.Ba3 (8.Ne4!? Nb4 9.d3-/+) 8...Nb4-+ 9.Rc1 (9.Bb3!? Bd7-/+) 9...Bd7 (9...Nc2 10.Rc2 Ba3 11.Ne4-+) 10.Ne4 Ne4 (10...Nc2 11.Rc2 Ba3 12.Nf3-+) 11.Qe4 Bc6 12.Qg4 h5 13.Qf4? (better 13.Qg3-+) 13...Bg2 14.Bb5 (14.Bb4 Bh1 15.Bf8 Rf8 16.Bb5 Bc6 17.Bc6 bc6 18.Rb1-+) 14...Nc6 15.Bf8 Rf8 16.Bc6 (16.Qg3 Bh1 17.Qg7 Qd6-+) 16...bc6 17.Nf3 (17.Ne2 Bh1 18.Ng3 g5-+) 17…Bh1 0–1. pipesharp (1755) – juliangon (2690), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ab4 de4 5.Nc3 Nf6)

    6.Qe2 e5 7.b5 Bf5 8.f3 -/+.

    6.Qe2 e6 7.b5 Nbd7 (7...Qc7 8.Ra2+=) 8.Ne4= Be7 9.Nf3 0-0 10.Ng3 b6 11.Qd1 Bb7 12.Be2 Qc7 13.0-0 Rfc8 14.c3 Nd5 15.Re1 Nc5 16.Bf1 Rd8 17.Qc2 Nf4 (17...a5!?=) 18.d4+= Nd7 19.Qd2 (19.Ne4!?+=) 19...Nh3+= 20.Kh1 Bf3 21.gf3 Bg5 22.Qc2 Nf4 23.Bf4 Qf4 (23...Bf4 24.Bd3 Nf6 25.Ra3+=) 24.Bg2 Nf6 25.Ne4 Bh4 26.Nf6 Qf6 (worse is 26...gf6 27.Re4 Qh6 28.f4+/-) 27.Re4 (27.Qd3 Rac8=) 27...Qe7 (27...Bg5!?+=) 28.Qd2 Rac8 29.Qd3 (29.f4 Rc5 30.Qb2 Rf5=) 29...Bf6 30.c4 (30.f4 Qc7 31.Re3 Qf4=) 30...g6 31.Rd1 Qc7 32.Bf1 Rd7 33.Qb3 Rcd8-/+ 34.d5 ed5 35.cd5+= Qc3 36.Qc3 Bc3 37.Bc4 Kg7 38.Rc1 Bd2 39.Rc2 Bg5 40.Bb3 Bf6 41.Ra4 Be5 42.Rca2 Bb8 43.Rd2 Kf6 44.Kg2 h5 45.h3 Re8 46.Re4 Rc8 47.Rc4 Rc4 48.Bc4 Ke5 49.Bb3 Rc7 50.d6 Rd7 51.Re2 Kf6-/+ 52.Re7 Re7 53.de7 Ke7 54.Kf1 Bd6 55.Ke2 Bc5 56.f4 Bd4 57.f3 Kf6 58.Kd3 Bg1 59.Ke4 Bh2 60.Bc4 Kg7 61.f5 g5 62.Kd5 Kf6 63.Bd3 Bg1 64.Kd6 Bc5+= 65.Kd5 Ke7 66.Kc6 f6 67.Bc4 ½–½. Lister,Curtis – Tang,Edward, Macskasy Memorial–B, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4)

    6.Qe2 Bf5 7.f3 Nc6 8.fe4=+ Nd4 9.Qd3= Bg6 10.Nf3 e5 11.Ne5 Bb4 12.Ng6 hg6 13.Nd5 Bc5 14.Bb2 Nd5 15.Bd4+= Bd4 16.Qd4 Nc7 17.Qd8 Kd8= 18.Bc4 f6 19.0-0 b5 20.Bf7 g5 21.e5 Ke7 22.Bg6 Rhf8 23.Be4+/- fe5 24.Ba8 Ra8 25.Rf5 1–0. Aleskerov,F (2325) – Persson,M2 (2130), IV Open Calvia ESP, 2007.

    6.f3 e5 7.b5 Bc5 8.Bb2 (8.Ne4?? Ne4 9.fe4 Qd4-+) 8...ef3 9.Qf3 Bg4 (9...0-0!?-/+) 10.Qb7+= Nbd7 11.Be2 0-0 12.Bg4 Ng4 13.Nf3 e4 14.Ne4 (14.Qe4?? Re8 15.Qe2 Re2 16.Ke2 Qf6-+) 14...Rb8 15.Qd5 (15.Nc5?? Rb7 16.Nb7 Qb6-+) 15...Qe7 16.Kf1 Rb5 17.Nc5 Nc5 (worse is 17...Rc5 18.Qd4 Ngf6 19.Ba3+/-) 18.Re1 Qd8 19.Qd8 Rd8 20.Ba1 Ne6 21.h3 Nh6 22.Kf2 a5 23.g4 a4 24.Re4 Ra8 25.Rhe1 a3 26.Nd4 Rc5 27.Ne6 fe6 28.c3 Rf8 29.Kg2 Rd5 30.d4 (30.Re6?! Rd2 31.R6e2 Rfd8=) 30...Ra8 31.Re6 Kf7 (31...Rdd8!?+/-) 32.Re7+- (32.Re7 Kf8 33.Rb7+-) 1–0. Fournier,Frederic (2215) – Ortiz,Andres G (2200), Liape A–006 email, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ab4 de4)

    4.ab4 e5

    5.Bb2 d4 (5...de4 6.Qe2 Bf5 7.g4+=) 6.c3 dc3 7.Bc3 Qc7 (7...Nc6 8.Nf3 Bb4 9.Bb4 Nb4 10.Ne5=) 8.f4 (8.Nf3 f6+=) 8...Bd6 (better is 8...ef4!? 9.Bb5 Bd7+=) 9.fe5 Be5 10.d4 (better is 10.Nf3!? Bc3 11.Nc3+=) 10...Bh2+= 11.Ne2 Bg3 12.Ng3 Qg3 13.Kd2 Nf6 14.Bd3 (better is 14.Qf3!?-/+) 14...Qg2-+ 15.Kc1 Ne4?? (15...Bg4 16.Qe1 Qf3-/+) 16.Be4+/- Qg5 (16...Qe4 17.Re1 Qe7 18.Re7 Ke7 19.Qe2 Kf8 20.b5+-) 17.Kb2 h6 18.Rg1 Qf4 19.Bc2 0-0 (19...Rg8 20.Bh7 Rf8 21.Rg7+-) 20.Qd3 f5 (20...Re8 21.Qh7 Kf8+-) 21.Na3?? (21.Qc4 Kh8 22.Rg7 b5 23.Rga7 bc4 24.d5 Rf6 25.Bf6 Kg8 26.Rg7 Kf8 27.Ra8 h5+-) 21...Nc6? (better is 21...Kh7+/-) 22.Raf1 Qd6 23.Nc4 Qd5 24.Bb3 Be6 25.Nd2 Qd6 26.d5 Ne5 27.Qd4 (27.Qd4 g5 28.de6 Nd3 29.Ka3 Qd4 30.e7 Rf7 31.Bd4+-) 1–0. Ferrandi,Bernard (1990) – Pinel,Jeremy (1660), Syre Memorial op, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5)

    5.ed5 Qd5 (5...Bb4 6.Bb5 Bd7 7.Qg4=) 6.Nc3 Qd8 7.Bb5 Bd7 8.Qe2 Bd6 (8...Bb4 9.Qe5 Qe7 10.Qe7 Ne7 11.Nge2=) 9.Nf3 Qe7 (better 9...Nf6!?=) 10.Nd5+- Qe6? (better 10...Bb5 11.Qb5 Qd7+-) 11.Nb6!!+- Ne7 (11...ab6 12.Bd7 Double attack (12.Ra8 Pinning; 12.Ra8 Deflection)) 12.Na8 1–0. juliangon (2620) – bobby fissure (2220), ChessWorld.net, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.Qh5 Qc7 6.Bb2 Nd7+=.

    5.Qh5 Qc7 6.Bb2 de4 7.Qe5 Qe5 8.Be5 Nc6+= (8...Bb4?? 9.Bg7 Nc6 10.Bh8+-).

    5.Qh5 Qc7 6.Bb2 de4 7.Be5 Qe7 8.Bb8 Rb8 9.Bb5 Kd8 10.Qd5 Qd6 11.Qd6 Bd6 12.Ra7+=.

    4.Bb5 Nc6-/+

    5.ab4 de4 6.Bb2 Qb6 7.Nc3 Nf6-/+ 8.Bc6 bc6 9.b5 cb5 10.Qe2-/+ Rb8 11.Nh3? b4 12.Ne4-/+ Ne4 13.Qe4 Bb7 14.Qc4? Rc8 15.Qf4?! Bg2 16.Ng5 f6 (16...f6 17.Qg4 Bb7-+ (17...Bh1? 18.Qc8 Qd8 19.Qd8 Kd8 20.Nf7 Ke8 21.Nh8+-; < 17...fg5 18.Qc8 Kf7 19.Rg1+-; 17...Rc2?! 18.Qg2 fg5 19.Be5-+)) 0–1. rthurc (2250) – pierred (2750), net–chess.com, 2009.

    5.ab4 de4 6.Nc3 Nf6 7.Qe2 e6 8.Bb2 Bb4 9.Nh3 0-0 10.Bc6 bc6 11.Ng5 Bc3 12.Bc3 Nd5 13.Ne4 f5 14.Ba5 Qe7 15.Nc3 e5 16.Qc4 Be6 17.Qc6 Nf4 18.0-0 Rac8 19.Qf3 Rc3 20.Qc3 Ne2 (20...Ne2 21.Kh1 Nc3 22.Bc3 e4-+) 0–1. De Mayolas,Flavio – Arias,Juan Carlos (2215), Panno Memorial, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.ab4 de4 6.Nc3 Nf6 7.Nge2 e5 8.0-0 Bb4-+ 9.Re1 0-0 10.Bb2 Qb6 11.Bc4? Bc5 12.Bb3 Bf2 13.Kh1 Be1 14.Qe1 Be6 15.Na4 Qc7 16.Be6 fe6 17.Nc5 Rae8 18.Ra7 Na7 19.Nb3 Qc2 20.Be5 Qb3 21.Nd4 Qd5 22.Qg3 Ng4! 23.Kg1 Rc8 24.Ne2 Rc1! 25.Nc1 Qc5 26.Kh1 Rf1# 0–1. rogeliovargas (2190) – pcmvr (2840), net–chess.com, 2010.

    5.ab4 de4 6.Qe2 Nf6 7.Bb2 Qd6 8.Nc3 Qb4-/+ 9.Ba3 Qd4 10.Bc6 bc6-+ 11.Rb1 a5 12.Nh3 Bf5 13.0-0 e5 14.Bb2 Rd8 15.Rbd1 Bc5 16.Ng5 h6 17.Nh3 Bg4 18.Qe3 Bd1 19.Rd1 Qb4 (19...Qb4 20.Na2 Qb2 21.Qc5 Qa2 22.Qe5 Kf8-+) 0–1. fersbery (2110) – abusimbel (2015), net–chess.com, 2008.

    5.ab4 de4 6.Ne2 Nf6 7.Nbc3 e5 8.Ba3 a6 9.Bc6 bc6 10.0-0 g6 (10...Rb8!?-/+) 11.Ng3+= Bd7 (11...Qd4!?+=) 12.Nce4 Be7 13.Bb2 Qb8 14.Nf6 Bf6 15.d4 0-0?? (better is 15...Qb4 16.de5 Qb2 17.ef6 Qf6+/-) 16.de5+- Be5 17.Be5 (17.Qd7?! Bb2 18.Ra2 Rd8 19.Qc6 Qb4 20.Ra6 Rac8=) 17...Qe5 18.Qd7 Qc3 19.Ne4 Qb4 20.Rfe1 Kg7 (20...Qc4+-) 21.Qc6 Qe7 (21...a5 22.Qf6 Kg8 23.Qe5+-) 22.Qc3 f6 23.Ng5 Qd8 (23...Qb7 24.Ne6 Kh8 25.Nf8 Rf8+-) 24.Ne6 (24.Ne6 Kh8 25.Nd8 Rad8 26.Re7+-) 1–0. marekt – Haroldlee123, ChessWorld.net, 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 d5)

    4.Bb5 Bd7

    5.Bd7 Qd7 6.ab4 de4 7.Bb2 Nf6 8.Ne2 e6 9.Bf6 gf6 10.Nbc3 f5 11.b5 Bg7 12.0-0 0-0 13.Qe1 Rd8 14.Rd1 Qe7 15.f3 Qc5 16.Kh1 e3 17.de3 Rd1 18.Qd1 Bc3 19.Nc3 Qc3 20.Qd8 Kg7 21.Qg5 ½–½. Linklater,Lloyd – Egdell,Brian, IECG, 1998.

    5.Bd7 Qd7 6.ed5 Qd5 7.Qf3 Qe5 8.Kd1? (8.Ne2 Nc6 9.c3 bc3 10.Nbc3 e6+=) 8...Qa1 (better is 8...Nc6 9.Ra2 Nf6 10.ab4 g6-/+) 9.Qb7+= Qd4 (better is 9...e6!? 10.Qc8 Ke7 11.Qc5 Kf6 12.Qf8 Qb1+=) 10.Qa8+= Qb6 11.ab4 e5 (11...e6 12.d3 Bb4 13.Be3+=) 12.Bb2 (12.Nf3 Bb4 13.Ne5 Ne7+=) 12...Bd6 13.Nf3 f6 14.Nc3 Qb4 (14...Qf2 15.Qb7 Ne7 16.Ne4+-) 15.Kc1 Ne7 16.Nd5 Qb5 17.Ne7 Be7 18.Qa7 Bc5 ½–½. Henke,Thomas – Overbeck,Christopher, Sparkassen op–B, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.Bd7 Qd7 6.ed5 Qd5 7.Nf3 Qe4 8.Kf1 e6 9.ab4 Bb4 10.d3 Qd5 11.Be3 Nc6 12.c3 Be7 13.c4 Qd7 14.d4 Nf6 15.Nc3 0-0 16.h3 Rfd8 17.Qb3 b6 18.Rd1 (18.Kg1 h6-/+) 18...Rac8 19.Ne5 (19.Qa2!?-/+) 19...Qb7-+ 20.Ke2 Ne5 21.de5 Nd7 22.Bf4 (22.f3 Ne5 23.Rd8 Rd8-+) 22...Nc5 23.Qc2 Rd1 24.Qd1 Rd8 25.Qc2 Qg2 26.Rh2 Qg1 27.Qb1 Qb1 28.Nb1 Rd4 29.Be3 Rc4 30.Nd2 Rb4 31.Rh1 a5 32.Rc1 g5 33.Nc4 Nb3 34.Rc3 a4 35.Nb6 a3 36.Rc8 Kg7 37.Ra8 a2! 38.Ra2 Rb6! 39.Ra7 (39.Bb6 Nc1 Double attack) 39...Bc5 40.Bg5 (40.Ra4 Kg6 41.f4-+) 40...Nd4 41.Kd3 (41.Kd2 Rb2 42.Kd1 Ba7-+) 41...Rb3 (41...Rb3 42.Kc4 Ba7-+) 0–1. Bishoen,Bob (1965) – Kolodkin,Daniil (2205), 9th Leiden Open A, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.Bb5 Bd7)

    5.Bd7 Qd7 6.e5 Nc6 7.d4 e6 8.Nf3 ba3 9.Na3 Ba3 10.Ba3 Nge7 11.0-0 0-0 12.Qd3 Rfe8 13.Rfb1 b6 14.h4 f6 15.h5 f5 (15...Nf5 16.ef6 gf6 17.Bc1-/+) 16.Bc1 Rac8 17.h6 Ng6 18.Bg5 Rc7 19.g3 Nf8 20.hg7 Qg7 21.Bf6 Qg4 22.Kg2 f4 23.Qd2 Ng6 24.c3 Nce7 (24...Na5!? 25.Nh2 Nc4-/+) 25.Nh2+= f3 (25...Qh5!?+=) 26.Nf3= Nf5 27.Rh1 a5 28.Rh3 (better is 28.Ra3!?=) 28...Rc3!-/+ 29.Qc3 Nf4 30.Kf1 Qh3 (30...Nh3?! 31.Ra3=) 31.Ke1 Ne3! 32.fe3 (32.Qe3 Ng2; 32.fe3 Qg3) 32...Qg3 33.Kd1 Qf3 34.Kc2 Qe2 35.Kb3 Qc4?? (better is 35...Ng6-+) 36.Qc4-/+ dc4 37.Kc4 Rc8 38.Kb5 Nd5 39.Rg1 Kf8 40.e4 Nf6 41.ef6 Rd8 42.d5 (better is 42.Rd1=) 42...ed5-+ 43.Rd1 d4 0–1. Richter,Karl – Dax,V, GER corr Germany, 1940. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.Qe2 Bb5 6.Qb5= Qd7 7.Qd7 (7.Qd5 Qd5 (7...Nf6 8.Qd7 Nbd7 9.ab4 e6 10.d4 e5) 8.ed5 Nf6 9.ab4 Nd5= 10.b5 e6) 7...Nd7=+ (7...Kd7 8.ed5 Nf6 9.c4 b5 10.d3 bc4) 8.ed5 Ngf6 9.d6 (9.ab4 Nd5 10.b5 a5=+ (10...e5=+)) 9...ba3 (9...e6 10.ab4 Bd6 11.b5=+) 10.Na3 (10.de7 Be7) 10...ed6 (10...a6 11.Nb5 0-0-0 12.de7 Be7 13.Nd4=+; 10...Kd8=+) 11.Nb5 Rc8 (11...Nd5 A) < 12.Na7 Nb4 13.Rb1 Nc2 (13...Ra7?! 14.Rb4 b6 15.Bb2=) 14.Kd1 Ra7 15.Kc2 Be7-/+; B) 12.Ra7 Ra7 13.Na7=) 12.Ra7= Be7 13.Nf3 0-0 14.c3 Nc5 15.0-0 Ra8= 16.Ra8 Ra8 17.Ba3 Bf8 18.Rb1 Nfe4 19.Kf1 g5 20.Bc1?? Nd3=+ 21.Ke2 Nf4 22.Kf1 Nd3 23.Ke2=+ Nef2 24.Nc7 Ra4 25.Ng5 Bh6 26.Nh3 Nc1= 27.Rc1 Nh3 28.gh3 Ra2 29.Rd1 Bf4 30.Nd5= Bh2 ½–½. Petrovic,Mark (1980) – Pettersson,A (1980), 6th Gibtelecom Masters, 2008.

    5.Qe2 de4 6.Bd7 Qd7 7.Qe4 Nf6 8.Qb4=+ Nc6 9.Qb2 g6 10.Ne2=+ Bg7 11.0-0 0-0 12.d4 Ne4 13.c3 Rac8 14.Nd2 Nd2 15.Bd2 e5 16.Be3 ed4 17.cd4 Rfd8 18.Rab1 b6 19.Qb3 Na5 20.Qd3= Qa4 21.Rfc1 Bf8 22.Bg5 Re8 23.Rc8 Rc8 24.Qh3 Re8 25.Be3 Nc4-/+ 26.Nc3?? Qc2-+ 27.Qd7 Re7 28.Qc8 Ne3 29.fe3 Re3 30.Rf1 Qc3 31.Qd7 Re7 32.Qa4 Re1 (32...Re1 33.Qd1 Qe3 34.Kh1 Rd1 35.Rd1 Qa3-+) 0–1. Darwisch,Mohamed – Rodewis,Thomas, NRW–Liga I, 1989.

    4.ed5 Qd5

    5.Bb2 Qe4 6.Ne2 e5 =+.

    5.Nc3?? bc3-+ 6.dc3 Qd1 7.Kd1 e5 8.Bb5 Bd7 9.Rb1 Bc5 10.Nf3 f6 (10...Bf2?! 11.Ne5 Bb5 12.Rb5-+) 11.Bd7 Nd7 (11...Kd7?! 12.Rb7 Ke6 13.Ke2-+) 12.Rb7 Bb6 13.Ke2 0-0-0 14.Rb6 Nb6 15.Be3 Ne7 16.Rb1 Ned5 17.Bc5 (17.Rb3-+) 17…Nc3 (17...Nc3 18.Ke1 Nb1-+) 0–1. Tobiason,Tim (1630) – Paolercio,Anthony (1790), Oklahoma op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 Nc6 6.Bb2 e5 7.Ne2 Nf6 8.de5 (8.c4 Qd8 (worse 8...Qc4 9.Nf4 ba3 10.Bc4 ab2 11.Ra2 ef4 12.0-0+-) 9.d5 ba3 10.Ba3 Ba3 11.Na3 Qa5 12.Qd2 Nb4-/+) 8...Qd1-+ 9.Kd1 Ng4 10.Ke1 Bc5 (10...Nge5?! 11.Nd4-/+; 10...Nce5?! 11.h3 Nc4 12.Bd4-/+) 11.f3 Ne3 (11...Nge5?! 12.Nf4-+) 12.Kd2 (12.c3 Nc2 13.Kd1 ba3 14.Ba3 Na1 15.Bc5 Ne5-+) 12...Bf5 (12...Nc4 13.Ke1 Nb2 14.Nd2 ba3 15.Ne4-+) 13.ab4 (13.Nc1 Rd8 14.Ke2 Nc2 15.ab4 Bd4-+ (15...Na1?! 16.bc5 Bb1 17.Ba1-+; worse 15...Bb4 16.Ra2-+; 15...N2b4?! 16.Nd2-+; worse 15...N6b4 16.Ra5 Be3 17.Ra3-+)) 13...0-0-0 14.Kc3 (14.Bd4 Nc2 15.bc5 Na1 16.Kc3 Bb1 17.e6 fe6 18.Bg7-+) 14...Bb4 15.Kb3 Be6 16.Ka4 Rd5 17.c4 Ra5 (17...Ra5 18.Kb3 Bc4) 0–1. bobby fissure (2085) – bulent_2010 (2810), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 Nc6 6.c4? Qd4-+ 7.Qd4 Nd4 8.Ra2 Bf5 9.Nd2 Nc2 10.Kd1 Na3 11.Ba3 ba3 12.Ngf3 e6 0–1. chessleon (2055) – pierred (2745), net–chess.com, 2008.

    5.d4 Nc6 6.Nf3 e5 7.Bb2 (7.de5!? Qd1 8.Kd1+=) 7...ed4 8.Be2 Bg4 9.0-0 0-0-0 10.ab4 Bb4 11.Na3 (11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 Qd4 14.c3+=) 11...Nf6-+ 12.Nb5 (12.h3 Bh5-+) 12...Bc5 (12...Bf3 13.Na7 Na7 14.Bf3-+) 13.Nfd4? (better is 13.h3!? Bh5 14.Ra4-/+) 13...Be2-+ (13...Bd4?! 14.Bg4 Ng4 A) 15.Qg4? f5 16.Na7 Ba7-+ (16...Na7?! 17.Qd4 Qd4 18.Bd4 Rd4 19.Ra7+=); B) 15.Nd4+=) 14.Ne2 Qc4 15.Nbd4 Nd4 (15...Rd4?! 16.Nd4 Nd4 17.Bd4 Bd4 18.c3-+) 16.Nd4 Bd4 (16...Rd4?! 17.Bd4 Bd4 18.c3-+) 17.Bd4 Rd4 18.Qf3 a6 19.Rfb1 Rd7 20.Rb6 (20.Re1 Re8 (20...Qc2?! 21.Rac1 Qc7 22.Rc7 Rc7 23.Kf1+=) 21.Qg3 Re1 (21...Qc2?! 22.Rec1 Qc1 23.Rc1 Kd8 24.Qg7=) 22.Re1 Qb4-+) 20...Rhd8 21.h3 (21.Rbb1 Kb8 (21...Qc2?! 22.Rc1 Qc1 23.Rc1 Kb8 24.Kf1-/+) 22.Re1 Qc2-+) 21...Qc7 (21...Ne4!? 22.Re1 Qc5 23.Ra6 ba6 24.Re4 Qc2 25.Re1-+) 22.Rb3 Rd2 23.c4 R8d7 24.Rab1 Qc6 25.Qf5 g6 26.Qa5 Rd1 (26...Qc4?! 27.Rc3 Rc2 28.Rc4 Rc4 29.g4-/+) 27.Rd1 Rd1 28.Kh2 Qc7 (28...Qc7 29.Qc7 Kc7-+) 0–1. Kolos,Taras – Shkuran,D (2370), 1st Memorial Petro Zadoretsky, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 Nc6 6.Nf3 Bf5 7.ab4 Nb4 Exerts pressure on the backward pawn (7...e5 8.c3 ed4 9.b5=) 8.Na3 Qe4 (8...0-0-0 9.c3 Qe6 10.Be2 Nd3 11.Kf1 Nc1 12.Qc1+=) 9.Be3 (better 9.Be2 f6 10.Rb1 Nc2 11.Nc2 Qc2 12.Qc2 Bc2 13.Rb7=) 9...Nc2? (better 9...a6 10.c4 e6=) 10.Nc2+- Qc2 11.Bb5 Kd8 12.Qc2 Bc2 13.Ne5 Bb3? (13...Bg6 14.d5 Nf6 15.Bb6 ab6 16.Ra8 Kc7+-) 14.d5!+- Bd5 (14...Bd5 15.Ba7 Discovered attack) 15.Bb6!! Kc8 (15...ab6 16.Nd7 Double attack (16.Ra8 Pinning; 16.Ra8 Deflection; 16.Nd7 Decoy)) 16.Rc1 Bc6 17.Rc6 bc6 18.Ba6 (18.Ba6 Kb8 19.Nc6) 1–0. Pires,E (2125) – Margarido,R (1850), Portugal Open (3), 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 Nc6 6.Nf3 Bg4 7.Be2 e6 8.0-0 Nf6 9.ab4 Bb4 10.c3 Be7 11.Na3 0-0 12.h3 Bh5 13.Rb1 Qd7 14.Nc4 Qc7 15.g3 Nd5 16.Bd2 b6 17.Rc1 Rac8 18.Ne3 Ne3 19.Be3 Bd6 20.Kh2 e5 21.Qd2 Rfd8 22.Rfd1 Na5 23.Qa2 e4 24.Ng5 Be2 25.Qe2 Re8 26.Qg4 Qe7 27.h4 Nc4 28.Re1 h6 29.Nh3 Qe6 30.Qh5? (30.Qe6 Re6 31.Bf4 Ba3-+) 30...Ne3 (better is 30...Nb2!? 31.Re2 Nd3-+) 31.Re3 Qc4 32.Qg4 Qd5 33.Rce1 f5 34.Qh5 Qf7 35.Qe2 Re7 36.Qb5 Rec7 37.Rc1 Rc4 38.Qa6 R8c7 39.Qa1 f4 40.Re4 (40.Nf4 Bf4 41.gf4 Qf4 42.Kg2 Qh4-+) 40...fg3 41.fg3 Qf3 42.Re8 (42.Rf4 Bf4 43.Nf4 Rc3 44.Qa2 Kh8 45.Rc3 Rc3-+ (45...Qc3?! 46.Ng6 Kh7 47.Nf8 Kh8 48.Ng6 Kh7 49.Nf8 Kh8 50.Ng6=)) 42...Kh7 43.Qb1 g6 44.Nf4 (44.Rh8 Kh8 45.Qg6 Bg3 46.Qg3 Qg3 47.Kg3 Rc3 48.Rc3 Rc3 49.Kh2 Rh3 50.Kh3 Kg7-+) 44...Bf4 45.gf4 Qf4 46.Kg2 Qg4 47.Kh2 (47.Kf2 Rf7 48.Ke1 Rc3 49.Rc3 Qg1 50.Ke2 Qb1-+) 47...Qh4 48.Kg2 Rc3 49.Rc3 Rc3 50.Qe4 Qh3 51.Kf2 Rc2! (51...Rc2 52.Qc2 Qh2 53.Ke3 Qc2 54.Re7 Kg8 55.Ra7 b5-+) 0–1. Pires,E (2130) – Rodriguez Lopez,Ra (2255), Portugal Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 e5 6.Bb2 e4 (6...ed4 7.Qd4 Qe6 8.Qe3 Qe3 9.fe3-/+) 7.ab4 Bb4 8.c3 Be7 9.c4 Qg5 10.Nc3 e3 (better is 10...Nf6!?+=) 11.Nf3= ef2 12.Kf2 Qf5 13.Bd3 Qd7 14.Re1 Kf8 (14...Qd8!?+=) 15.Nd5+/- Nc6? (better is 15...Qd8+/-) 16.Nb6!!+- (16.Ne7?! Nce7 17.Ne5 Qd8+/-) 16...ab6 17.Ra8 Bb4 18.Re2 Nge7 19.Kf1 h5 20.d5 Na5 21.Qa1 Qg4 (21...Rg8 22.Ba3 Bd6 23.Ne5+-) 22.h3 (22.h3 Nb3 23.Qa4+-) 1–0. Augstein,Joerg (1835) – Kohn,Thomas (1845), Mecklenburg VP LL1, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 e5 6.Nf3 Nc6 7.Be2? e4-+ (7...ed4?! 8.ab4 Bf5 9.b5-/+) 8.0-0 Nf6 (better is 8...ef3!? 9.Bf3 Qf5 10.Re1 Kd8 11.Be4-+) 9.ab4 Bb4 10.c4 (better is 10.c3!? Be7 11.Nfd2-/+) 10...Qd6-+ 11.c5 Qd8 12.Ne5 Qd4 13.Nc6 Qd1 14.Rd1 bc6 15.Be3 Bg4 (better is 15...Nd5!? 16.Bd4 Nf4-+) 16.Bg4-/+ Ng4 17.Rd4 Ne3 18.Rb4 Nd5 19.Re4 Kd7 ½–½. Meleshko,Vladimir (2110) – Golubka,Petr (2270), UKR–ch U20 qual, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 e5 6.Nf3 Nc6 7.Be3 Bg4-/+ 8.c4 Qa5 (better is 8...bc3!? 9.Nc3 Qa5-+) 9.d5+= Nd4 10.Bd4 ed4 11.Qe2 (better is 11.Qd4!? Bf3 12.Qe3 Kd8 13.Qf3 ba3 14.Ke2+=) 11...Kd8-+ 12.Qd2 Bf3 13.gf3 Nf6 14.Bh3 Bc5 15.0-0 Qa6 16.ab4 Qa1 17.bc5 Qa6 18.Qf4 g5 (better is 18...Re8-/+) 19.Qd4 Rg8 20.c6 Rg6?? (better is 20...Ne8+=) 21.Bf5 (21.Qe5 g4 22.Qd6 Kc8 23.fg4 bc6 24.dc6 Rh6+-) 21...Rh6 (21...Ng8 22.Bg6 hg6+-) 22.Qe5 Nd5 (22...Nd7 23.Bd7 bc6 24.dc6+-) 23.Qd5 (23.c7 Nc7 24.Rd1 Nd5 25.Rd5 Rd6 26.Rd6 Qd6 27.Qd6 Ke8 28.Bd7 Kd8 29.Bc6 Kc8 30.Qd7 Kb8 31.Qb7) 23...Ke8 (23...Ke7 24.Re1 Kf8 25.cb7+-) 24.Qe5 (24.cb7 Rd8 25.Re1 Re6 26.Be6 Qe6 27.Re6 fe6 28.Qe6 Kf8+-) 24...Kf8 (24...Re6 25.Be6 fe6 26.Qe6 Kf8 27.Qf5 Kg8 28.Qg5 Kf7 29.Re1+-) 25.Qh8 (better is 25.cb7 Re8 26.Qe8 Ke8 27.b8Q Ke7+-) 25...Ke7 26.Qa8 Qc6 27.Re1 Kf6 28.Be4 Qc7 (28...Qe6 29.Qf8 Rh5+-) 29.Qh8 Ke7 (29...Ke6 30.Bg6 Qe5 31.Qe5 Kd7 32.Rd1 Kc8 33.Qc5 Kb8 34.Rd8) 30.Bf5 (30.Bg6! Qe5 31.Qe5 Kd7 32.Rd1 Kc8 33.Qc5 Kb8 34.Rd8) 30...Kd6 31.Qe5 (31.Qe5 Kc6 32.Qb5 Kd6 33.Qd5; 31.Qd4 Kc6 32.Be4) 1–0. Augstein,Joerg (1825) – Bigalke,Steffen (1955), Ueckermuende op 6th, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.d4 e5 6.Nf3 ed4 7.Qd4 Qd4 8.Nd4 Nf6 -/+.

    5.d4 e6 6.Nf3 Nf6 7.Bd3 Nc6 8.0-0 Be7 (8...Nd4? 9.Nd4 Bd7 10.Be3+-) 9.ab4 Nb4 (9...Nd4? 10.Nd4 Bb4 11.Nb5+-) 10.c4 Qd8 11.Be2 0-0 12.Nc3 b6 13.Qb3 Bb7 14.Rd1 a5 15.Ne5 Rc8 16.Bf4 Ne4 17.Rac1 Bg5 18.Bg5 Qg5 19.Ne4 Be4 20.f3 Bc6 21.Kf1 Rfd8 22.c5 (22.Qb2 Ba4 23.Rd2 b5-/+) 22...Bd5 23.Qa3 (better is 23.Qb2 bc5 24.Rc5 Rc5 25.dc5-+) 23...bc5 24.Qa5 cd4 (better is 24...Bb3!? 25.Re1 Nc2 26.Rc2 Bc2 27.Ba6-+) 25.Rc8 Rc8 26.Nf7 Qe7 (26...Qe7 27.Ne5 Nc2-+) 0–1. Come,Alexandre (2055) – Leuly,Max (2185), Syre Memorial op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Qe2 Nc6 6.Nf3 (6.c3 bc3 7.Nc3 Qd8-/+) 6...Bg4 7.ab4 (7.Bb2 Nf6-/+) 7...Nd4 (better 7...Bf3 8.gf3 Nd4-+) 8.Qd3?? (8.Nc3 Bf3 (8...Ne2 9.Nd5 0-0-0 10.Be2 Rd5 11.Ra7+-; 8...Nf3?! 9.gf3 Qf3 10.Rg1 Qe2 11.Ne2=+; 8...Nc2?! 9.Kd1 Qb3 10.Rb1 Ne3 11.Ke1 Nc2 12.Kd1 Ne3 13.Ke1 Nc2 14.Kd1=) 9.Nd5 A) 9...Ne2? 10.Nc7 (10.gf3?! Nd4=) 10...Kd8 11.Na8+- (11.gf3?! Kc7 12.Be2 e5=); B) 9...Nc2 10.Kd1 Be2 11.Be2 Na1 12.Nc7 Kd7 13.Na8 e5 14.Bb5 Kc8=) 8...Nf3 (8...Bf3?! 9.gf3 Nf3 10.Kd1-/+) 9.gf3 Qe5 10.Kd1 (10.Qe4 Qa1 11.Bb5 Bd7 12.Qb7 Qe5 13.Kd1 Bb5 14.Qa8 Kd7=) 10...Qa1 11.fg4 Qf6 (11...Nf6 12.Nc3-/+) 12.Bg2 (12.Qd5!? Qd6 13.Bb5 Kd8 14.Qf7=+) 12...Qb6 Black gets strong initiative (12...Qf2?? 13.Qb5 Kd8 14.Qd5 Ke8 15.Qb7 Qg2 16.Qg2+-) 13.Nc3 (13.Qe4 Nf6 (13...Qf2 14.Qb7 Qg2 15.Qg2+-) 14.Qb7 Qb7 15.Bb7 Rb8 16.Bc6 Kd8-+) 13...e6 (13...Qb4 14.h3 Rd8 15.Qf3-+) 14.Ba3 (14.Qb5 Qb5 15.Nb5 Kd7-/+) 14...Nf6 (14...Qf2?? 15.Bb7 Qb6 16.Ba8+-; 14...Bb4?! 15.Na4 Qa5 16.Bb7-+) 15.h3 (15.Qb5 Qb5 16.Nb5 Kd7-+) 15...Bb4 16.Na4 Qa5 (16...Qf2 17.Bb7 Rb8 18.Qb5 Nd7 19.Qb4+-) 17.Bb7 Rb8 18.Bc6 (18.Bb4 A) 18...Qa4?! 19.Qc3 Kd7 20.Qd4 Nd5 21.Bd5 Qb4 22.Be6 Kc7 23.Qd7 (23.Qa7? Rb7 24.Qa1 Qb1 25.Ke2 Qa1 26.Ra1 Re8-+) 23...Kb6 24.Bd5=; B) 18...Qb4 19.Bc6 Ke7-+) 18...Ke7 19.g5 Nd5 20.c4 (20.Bb4 Rb4 (20...Nb4?? 21.Qd7 Kf8 22.Qd6 Kg8 23.Qb8 Qd8 24.Qd8) 21.Bd5 Qa4-+ (21...ed5?! 22.Re1 Kd8 23.Nc3-+)) 20...Ba3 (20...Qa6!? 21.Qb3 Qc6 22.cd5-+) 21.cd5 Qb4 (21...Bd6 22.Ke2-+) 22.Ke2 Qd6 23.Re1 Rhe8?? (better 23...Rhc8!? 24.Nc3 Bb4 25.Qh7 Bc3 26.dc3 Qe5 (26...ed5?! 27.Kd3 Kd8 28.Qg8 Kc7 29.Qf7 Kc6 30.Re6+=) 27.Kf1 Qc3-/+) 24.Nc3 (better 24.Be8 Re8 25.Nc3=) 24...Qe5?? (better 24...Red8 25.Nb5 Rb5 26.Qb5 Kf8-/+) 25.Kf1+- Qg5? (better 25...Qd6 26.Be8 Ke8+-) 26.Ne4 The mate threat is Qxa3 26...Qf4 27.Qa3 Kd8 28.Qa5 (better 28.Be8!? Ke8 29.Qa7 Rd8 30.de6 fe6+-) 28…Ke7 (28...Qc7 29.Qc5 e5+-) 1–0. Danielsson,S (1790) – Lunn,M (2065), Reykjavik Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Be2 Nc6 6.Nf3-/+ e5 7.c4 (7.ab4 Bb4 (worse 7...Nb4 8.Nc3 Qd6 9.0-0=) 8.Bb2 Nf6-/+) 7...Qd8 (7...Qe6 8.d4 ed4 9.0-0-/+) 8.d3 Bd6 (8...Nf6 9.0-0-/+) 9.0-0 Nge7 (9...Nf6 10.Bb2 ba3 11.Na3-/+) 10.Re1 (10.ab4 Bb4 11.Bb2 f6-/+) 10...0-0 11.Bf1 (11.Bd2 ba3 12.Na3 Nf5-/+) 11...Ng6 (11...Nf5 12.Bd2 f6 13.d4 ed4 14.ab4 Bb4 15.Bb4 Nb4 16.Qb3-+) 12.Nbd2 (12.Be3 ba3 13.c5 Bc7-/+) 12...a5 (12...ba3 13.Ba3 Ba3 14.Ra3-/+) 13.Ne4 Be7 14.Bb2 (14.Be2 a4-/+) 14...Bg4-+ 15.h3 (15.a4 f5 16.Ned2 Qb6-/+) 15...Bf3 (15...ba3 16.Ba3 Bf3 17.Qf3-+) 16.Qf3 ba3 17.Ba3 Nd4 18.Qd1 Bb4 (18...Ba3!? 19.Ra3 Qc7 20.Nc3-+) 19.Bb4-/+ ab4 20.Rb1 Qe7 (20...Ra2 21.Rb4 Nc2 22.Rb7-/+) 21.Nd2 Nc6 (21...Ra2 22.Nb3 Ne6 23.Nc1-/+) 22.Nb3 Qd6 (22...Rfd8 23.g3-/+) 23.Qf3 Rfd8 24.g3 Nge7 25.Red1 (25.Re3 Qg6-/+) 25...Ra3 26.Qe4 g6 (26...Qf6 27.Bg2-/+) 27.Bg2 Nf5 28.Qe1 Ra2 (28...Nfd4 29.Nd4 Qd4 30.Bc6 bc6 31.Qb4 Rd3 32.Rd3 Qd3 33.Re1-/+) 29.Nc1 (29.c5 Qf6-/+) 29...Rc2 (29...Ra4-/+) 30.Rd2 (30.Ne2 Ra8-/+) 30...Nfd4 (30...Rc4! 31.Rdb2 Rc3-+) 31.Rc2-/+ Nc2 32.Qd1 (32.Qe4!?-/+) 32...Na3-+ 33.Rb3 Nc4! 34.Bc6 (34.dc4 Qd1 Double attack (34...Qd1 Pinning; 34...Qd1 Deflection; 34...Na5 Decoy)) 34...bc6 (34...Qc6 35.Rb4 Nb6 36.Ne2-/+) 35.Qe1 Na3 36.Qb4 Nb5 (36...Qb4 37.Rb4 f5 38.f3-/+) 37.Qc4 (37.Qd6 Rd6 38.Ne2 Kg7-/+) 37...Qf6 (37...Nd4 38.Rb7 Qd5 39.Qd5 Rd5 40.Ra7-+) 38.Qe4 (38.Ne2 Kg7-/+) 38...Rd4 (38...Nd4 39.Rb7-+) 39.Qe3-/+ Ra4 40.Kg2 (40.Ne2 Ra1 41.Kg2 Qd6-+) 40...Kg7 (40...Qd6 41.Rb2-+) 41.Ne2-/+ Qe6 42.Rb2 Qd5 43.Qf3 Qf3 (43...Nd4 44.Qd5 cd5 45.Nc3-/+) 44.Kf3 Kf6 (44...f5 45.Rc2 Ra3 46.Ke3-/+) 45.Rc2 Ra6 46.Ke3 Ke6 47.Rc4 (47.f4 f6-/+) 47...Nd6 48.Rc5 (48.Rc2 Nf5 49.Kd2 g5-/+) 48...Nf5-+ 49.Ke4 f6 (49...Ra4 50.Kf3 Kd6 51.Rc3-+) 50.Nc3 (50.d4 Nd6 51.Kd3 h6-/+) 50...Nd4 51.Ke3 Ra1 52.f4 Rh1 (52...h6 53.fe5 fe5 54.Kf2-+) 53.fe5 fe5 54.Ne4 (54.h4 Rf1-+) 54...h6 (54...Rh3?! 55.Ng5 Kd6 56.Ne4 Kd7 57.Re5 Nf5 58.Kf4=+) 55.h4 Rh2 56.Nf2 Rg2 57.g4 0–1. Areshchenko,Kateryna – Bacrot,Etienne, 3rd Porticcio Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Nf3 b3 6.cb3 Nf6 7.Nc3 Qd8 8.d4 e6 9.Bd3 Be7 10.0-0 0-0 11.Ne5 Nc6 12.Be3 Nd5 (12...Bd7 13.Ne4+=) 13.Nd5 Qd5 Attacks the isolani on d4 14.Bc4 Qd8 (14...Qd6 15.Nc6 Qc6 16.d5+=) 15.Qg4 (15.Nc6 bc6 16.Qc2 Rb8+=) 15...Bf6 (15...Qc7 16.Nc6 Qc6 17.Qh5+=) 16.Nc6 bc6 17.Qf3 Bb7 18.Rad1 (18.Bd3 Re8+=) 18...a5 19.Qg3 (19.Bd3 Qd6 20.Qh5 g6=) 19...Qe7= 20.Bf4 Rfd8 (20...Qa3 21.Bd6 Qb2 22.Rfe1 (22.Bf8?! Rf8 23.Qc7 Ba8+/-) 22...Bd4 23.Rd4 Qd4 24.Be5 Qe5 25.Qe5+-) 21.Bc7 (21.Be5!?=) 21...Rd4=+ 22.Rd4 (22.Bd6 Qd8=+) 22...Bd4-/+ 23.Rd1 (23.Bd6 Qf6-/+) 23...c5 (better 23...e5!?-+) 24.Be5-/+ Be5 25.Qe5 h6 (25...Rd8 26.Rd3 Rd3 27.Bd3-/+) 26.f3 Bc6 (26...Ba6 27.Ba6 Ra6 28.Qb8 Kh7 29.Qb5=+) 27.a4 (27.Rd6 Rc8=) 27...Qg5 (better 27...Rc8=+) 28.Qd6?? (better 28.Qg5 hg5 29.Rd6=) 28...Bf3-+ 29.Rd2 Bd5! 30.Rf2 (30.Bd5 Qd2 Decoy (30...Qd2 Interception)) 30...Bc4 31.bc4 Rd8 32.Qc5 (32.Qg3 Rd1 33.Rf1 Qg3 34.hg3 Rf1 35.Kf1-+) 32...Rd1 33.Rf1 Qc5 (33...Qc5 34.Kh1 Rf1) 0-1. Williams,Si1 (2460) - Moradiabadi,E (2555), Titled Tuesday 2nd Mar, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    5.Nf3 b3 6.Nc3 bc2!? 7.Qc2 Qa5+=.

    5.Nf3 b3 6.Nc3 Qd8 7.cb3+= Nf6 8.Bc4 e6 9.0-0 Be7 10.d4 0-0 11.Re1 Nc6 12.d5 ed5 13.Nd5 Nd5 14.Qd5 Bf6 15.Qd8 Rd8 16.Bg5 Ba1 17.Bd8 Bd7 18.Ra1 Rd8 19.Rd1 h6 20.h3 Kf8 21.Kf1 a6 22.a4 Ke7 23.Nd4 Ne5 24.Be2 Bc8 25.Nf3 Rd1 26.Bd1 Nc6 27.Ke2 Be6 28.Kd3 Nb4 29.Kc3 Nd5 30.Kd4 Nf4 31.Ne1 Kd6 32.h4 Nd5 33.g3 Nb4 34.Nd3 Nc6 0–1. Bradley,Alan – Pinheiro,Iung Alicio (2255), Dos Hermanas Internet qual–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Nf3 Bf5 6.Be2 Nc6 (6...Qa5 7.Bb2 Nf6 8.ab4 Qb4 9.Bc3=) 7.c4 (7.ab4 Nb4 8.Nc3 Qd6=) 7...bc3 8.Nc3 Qd7 9.d4 e6 10.0-0 Bd6 (10...Nf6 11.Be3+=) 11.d5 ed5 12.Nd5 Nge7 13.Ne3 Be6 (13...0-0 14.Bb2+=) 14.Bb2= 0-0 15.Ng5 Bf4 16.Ne6 Qe6 17.Bc4 Qg6 18.Qf3 Qg5 (better is 18...Be5!? 19.Be5 Ne5 20.Qb7 N7c6=) 19.h4+/- Qh6 (19...Qh4? 20.g3 Qg5 21.Qf4 Qf4 22.gf4+-) 20.Ng4 Qd6 21.g3 h5 22.gf4 (22.Rad1 hg4 23.Qg4+/- (worse is 23.Rd6 gf3 24.gf4 Rac8+=)) 22...Qg6+= 23.f5? (better is 23.Be2!?+=) 23...Nf5-/+ (23...Qg4?! 24.Qg4 hg4 25.f6=) 24.Qf4 Qg4 25.Qg4 hg4 26.h5 (26.Be2 g3-/+) 26...Rad8 27.Rfd1 Ncd4 28.Kg2 (28.a4 Rd7-+) 28...Rd6 (28...Nc2!? 29.Rd8 Rd8 30.Rc1 Nce3 31.Kg1-+) 29.Rd3 Rfd8 (29...Rc8 30.Rc1 Ne2 31.Rd6 Nf4 32.Kf1 Nd6 33.Be2 Rc1 34.Bc1 Ne2 35.Ke2-+) 30.Rad1 b5 31.Ba2 a6 32.Bb1 Ne6 33.Rd6-/+ Rd6 34.Rd6 Nd6 35.Kg3 Nc4 36.Bc1 Nd4 37.Kg4 Ne2 38.Bg5 Na3 39.Bd3 Nd4 0–1. Drazic,Sinisa (2430) – Pezelj,Novak (2390), Novi Sad SER, Stop parking servis Open, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 d5 4.ed5+= Qd5)

    5.Nf3 g5 6.Bb2= (worse 6.ab4 g4 7.Ra5 Qe4 8.Qe2 Qe2 9.Be2 gf3 10.Bf3 Bg7-+) 6...Nf6 7.ab4 g4 (7...Qe4 8.Qe2 Qc2 9.Qc4 Qc4 10.Bc4=) 8.Nd4 Nc6 9.Nb5 (9.Nc6 Qc6 10.Nc3 Bd7+=) 9...Kd8 10.N1c3 Qe5 11.Be2 Rg8 12.d4 Qb8 13.d5 (13.Ra4!?+=) 13...Nb4= 14.Ra4 a5 15.0-0 (15.Ba3 Bd7=) 15...Bd7 (15...Bf5 16.Nd4 Bd7 17.Bb5=) 16.Qd4= Ra6 (16...Nc2?? 17.Qb6 Ke8 18.Nc7 Qc7 19.Qc7+-) 17.Ra5 Nc2 (17...Ra5? 18.Qb6 Kc8 19.Qa5+-) 18.Qa4 Nd5?? (18...g3 19.Ra6 gh2 20.Kh1 ba6 21.Qa5 Kc8 22.Na7 Qa7 23.Ba6 Qa6 24.Qa6 Kd8 25.Qa5 Kc8+-) 19.Nd5+- e6 (19...g3 20.hg3 Bg7 21.Bg7 Rg7 22.Qc2 Ra5+-) 20.Bf6 (20.Bf6 Be7 21.Ne7+-) 1–0. Bonafede,Alessandro (2280) – Gallucci,Alessio (2155), 36th Campionato Italiano Under (?), 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Nf3 g6 6.Bb2= Nf6 7.ab4 Bg7 (7...Qe4 8.Be2 Qb4 9.Bf6 ef6 10.Nc3=) 8.b5 0-0 9.Be2 Bg4 10.c4 Qe6 11.0-0 Nbd7 12.d3 Nc5 13.Nbd2 Rfd8 14.h3 Bf5 The pressure on the backward pawn d3 grows 15.Nd4 Qd7 16.N2f3 Ne8 17.Nf5 Bb2 18.Ra2 Bf6 (18...Nd3? 19.Ng3+-) 19.Nh6 Kg7 20.Ng4 Nd3?? (better 20...a6=) 21.Rd2 (better 21.Nf6!? Nf6 22.Bd3 a6+-) 21...Nf2 22.Rd7 Nd1 23.Rfd1 e6?? (better 23...Rd7 24.Rd7 Rb8+-) 24.Nf6 Kf6 (24...Rd7 25.Ne8 Re8 26.Rd7+-) 25.Rd8 (25.Rd8 Rd8 26.Rd8+-) 1-0. Hrabinska,Myroslava (2235) - Ribero,Guillermo Andres (1875), Titled Tuesday 7th July, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    5.ab4??

    5.ab4?? e5 6.Nc3 Qd8 7.Qe2 f6 8.Qh5 g6 9.Bb5 Bd7 10.Qh4 Nh6 11.Qc4 Nc6 12.Nge2 Rc8 13.Qb3 a6 14.Bc6 Rc6 15.d3 Be6 16.Qb2 Nf5 17.0-0 Rb6 18.b5 Nd4 19.Be3 Ne2 20.Ne2 Rb5 21.Qc1 Bg7 22.Nc3 Ra5 23.Rb1 b5 24.Bc5 Bf8 25.Bf8 Rf8 26.Qh6 Qc7 27.Ne4 f5 28.Ng5 Bg8 29.d4 e4 30.Rfe1 Ra2?? 31.Ne4!+- Qc2 32.Nc3 Kf7 33.Na2 Qa2 34.Rbc1 Qa5 35.Qf4 Rc8?? 36.h3 Rc4 37.Qe5 Qd8 38.d5 Qh4?? 39.d6 Qd8 40.Rcd1 Re4 41.Re4 fe4 42.Qe4 Qd7 43.Qf4 Kg7 44.Rc1 Bc4 45.Re1 Be6 46.Qe5 Kf7 47.Re3 a5 48.Rf3 Kg8 49.Rf6 Bf7 50.Qc5 Qd8?? 51.Rf3 Qd7 52.Qc7 Be6 53.Re3 Kf8 54.Re6! Qe6 55.d7 Kg7 56.d8Q Kh6 57.Qh4# 1–0. Horvath,Il (1815) – Kiss,Pe2 (1855), FSFMB December, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.ab4?? Qe5 6.Qe2 Qa1 7.Qb5 Nc6 8.Qd5 (8.Ne2 Qb1 9.c3 e5-+) 8…Qb1 (8...Qb1 9.Kd1 Qc2 10.Kc2 Nb4 11.Kb2 Nd5-+) 0–1. Golubeva,Anastasiya – Gavrjuchenkova,Angelina, RUS–ch U10 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.ab4?? Qe5 6.Qe2 Qa1 7.Qc4 Bd7 (better is 7...Nc6 8.Qb3 Nd4 9.Qb2 Qb2 10.Bb2 Nc2 11.Kd1 Nb4 12.f4-+) 8.Qb3 Qe5 (better is 8...Nf6!? 9.b5 a5 10.Bc4-+) 9.Be2 Bc6 10.Kf1 (10.Nf3 Bf3 11.Qf3 Nc6-+) 10...Qd5 11.Qh3 Qd7 (11...a6 12.Qc8 Qd8 13.Qd8 Kd8 14.Nf3-+) 12.Qg3 (12.Qb3 a6-+) 12...Nf6 13.Nc3 Qd6 (13...Ne4 14.Ne4 Be4 15.d3-+) 14.Qh3 (14.b5 Bd7-+) 14...e6 (14...Bd7!? 15.Qh4-+) 15.b5 Bd7 16.Qf3 Qc7 17.h4 (17.Bd3 a6 18.Nge2 ab5 19.Nb5 Qb6-+) 17...Bd6 (better is 17...a6!? 18.Bb2 ab5 19.Bd3-+) 18.h5 (18.Bb2 Be5 19.h5 a6-+) 18...h6 19.Rh4 e5 (19...0-0 20.Rd4 Bc8 21.Qd3-+) 20.Qg3 (20.Rc4 Qb6 21.Na4 Qa5 22.Qb7 0-0 23.Qa8 Bb5-+) 20...0-0 21.Rc4 (21.Qf3 a6 22.Rc4 Qb6-+) 21...Qd8 (21...Qb6 22.d3 e4 23.Qe3-+) 22.d4 ed4 23.Qd6 dc3 24.Qg3 Kh8 25.Rc3 Bb5! 26.Rd3 Bd3 27.Bd3 Nc6 28.Qf4 Qd7 29.f3 Qd4 30.Qf5 Qe5 31.Qh3 Rad8 32.g4 Rd3! 33.cd3 Qc3 34.Ne2 Qd3 35.Kf2 Re8 36.Qf1 Re2! (36...Re2 37.Qe2 Qe2 38.Ke2 b5-+) 0–1. Szabo,Szilard – Horvath,Csaba (2200), HUN–ch University, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.ab4?? Qe5 6.Ne2 Qa1 7.Nec3 e6 8.Ba3 a5 (8...a5 9.Nb5 Qe5 10.Qe2 Qe2 11.Be2 Kd7 12.ba5 Nf6-+) 0–1. Dragicevic,Domagoj (1855) – Savige,Colin (2090), AUS–ch reserves, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.ab4?? Qe5-+ 6.Ne2 Qa1 7.Nec3 e6 8.Bb5 Bd7 9.Bc4 Bb4 10.Ba2 Na6 11.0-0 Bc3 12.Nc3 Nb4 13.Qg4 Na2 14.Ba3 Qf1! 15.Kf1 g6 16.Na2 0-0-0 17.Qc4= Kb8 18.d3 Ka8 19.Qf4 f6? 20.Qc7+- Nh6 21.Nb4?? Nf5 22.Na6= b6 23.g4 Bb5 24.gf5 Ba6 25.fe6 Rhf8?? 26.Qg7 ½–½. Hoffmann,M – Fischer,M, GER–ch U15, 1991.

    5.ab4?? e6 6.c3 Nf6 7.Nf3 Be7 8.Be2 0-0 9.0-0 e5 (9...b6!?=) 10.Ra5+= Qd6 11.Ne5 Be6 12.d4 Nbd7 13.f4 b6 14.Ra1 Rfc8 (14...Rfd8 15.Bf3 Bd5 16.b5+-) 15.Qe1 (15.Ba6!? Re8+-) 15...Bd5 16.c4?? (better is 16.b5 Re8 17.Nd2+/-) 16...Bc4+= 17.Nc4? (17.Bc4 Qd4 Double attack; 17.Nc4 Qd4 Double attack) 17...Qd4-+ 18.Kh1 Qa1 19.Bb2 Qa2 20.Nc3 Qb3 21.Qa1 (21.Rf3 Bb4 22.Qa1 Bc3 23.Rc3-+) 21...Rc4 22.Bc4 Qc4 23.Na2 Bb4 24.Nb4 Qb4 25.Be5 Ne5 26.fe5 Nd7 27.Qa6 Nc5 28.Qe2 Ne6 29.Qf3 Rf8 30.Qd5 Qd4 31.Qb7 a5 32.h3 a4 33.Rf3 Qa1 34.Kh2 Qe5 35.Kh1 Qe1 36.Kh2 Qa5 37.Qe7 a3! 38.Ra3 Qe5 39.Kh1 Rc8 40.Kg1 Qd4 41.Kh2-+ Qf4 42.Rg3 Rc3 43.Qe8 Nf8 (43...Nf8 44.Qe1 Rd3-+) 0–1. Mortensen,Carl Heinrich (1685) – Jensen,Jan Kargaard (1810), North Sea Cup, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Nf3 ba3

    6.Na3 Qd8 7.d4 Nf6 8.Bd3 g6 9.Bf4 Nh5 10.Qd2 Nf4=+ 11.Qf4 Bg7 12.0-0 0-0 13.Rab1 Nc6-/+ 14.Nb5 a6 15.d5 ab5 16.dc6 bc6 17.Be4 Ra4 18.Qe3 Qc7 19.Rfe1 Be6 20.Ng5 Ba2 21.Rbd1 Bh6 22.f4 c5 23.Qh3 Bg5 24.fg5 Be6 25.Qh6 Rd8 26.Rb1? Rb4 27.Ra1 Ra4 28.Rab1 Rdd4 29.Bg6 hg6 30.Re6 fe6 31.Qg6 Kf8 32.g3 Rd5 33.Qe6 Qd6 34.Rf1= Ke8 35.Qc8 Qd8 36.Qb7?? c4 37.g6 Qa8 38.Qa8 Ra8 39.g7 Kd7 40.Rf8 Rg5 41.Ra8= Rg7 42.Kf2 Rg5 43.h4 Rd5 44.Ke3 Rd1 45.h5 Rg1 46.Kf4 b4 47.g4 b3 48.cb3 cb3 49.Rb8 Rb1 50.h6 Rb2?? 51.Kg5 Kc7 1–0. Lutz,Klaus Juergen (2270) – Schuh,Hubert (2360), Hessen–Baden, 1993.

    6.Na3 Nf6 7.Bc4 Qd8= 8.0-0 (8.Bb2 e6=) 8...e6 (8...Nc6 9.Re1 e6 10.Qe2=) 9.d4 (9.Bb2 Nc6=) 9...Be7 10.c3 (10.Nb5 Nc6=) 10...0-0 11.Ne5 (11.Bd3 Nc6=) 11...Nc6 12.f4 (12.Nc6 bc6 13.Re1 Bb7=+) 12...a6=+ 13.Kh1 (13.Qf3 Ne5 14.fe5 Nd5=+) 13...Qc7 (13...Bd7 14.Bd3=+) 14.Bd3=+ Bd7 15.Rf3 (15.Nac4 b5 16.Nd7 Nd7=+ (worse 16...Qd7 17.Nb6 Qb7 18.Na8+=)) 15...Rfe8 (15...b5 16.Bd2-/+) 16.Rh3 (16.Nd7 Qd7 17.Nc4 Qc7=+) 16...g6 (16...h6 17.Nac4=+) 17.Nac4 Bf8 (17...b5 18.Nd7 Nd7 19.Ne5=+) 18.Bd2 (18.Nd7 Nd7 (worse 18...Qd7 19.Nb6 Qc7 20.Na8 Ra8 21.Bd2+=) 19.Ne5 Nf6=) 18...Ne7 (18...b5 19.Nd7 Nd7 20.Ne5=) 19.Rb1 (19.Na5 b6 20.Nac4 b5=) 19...b5 (19...Bb5 20.Qe2=+) 20.Nd7= Nd7 21.Ne5 Nf6 (21...f6 22.Nd7 Qd7 23.c4=+) 22.Qf3 (22.c4 Nf5=) 22...Rab8 (22...Rec8 23.g4 Nc6 24.g5 Ne5 25.fe5=) 23.Qg3 (23.Ra1!?=) 23...Nf5=+ 24.Qf2 (24.Qf3 h5=+) 24...Bg7 25.g4 (25.Kg1 Nd6-/+) 25...Qb7 (25...Nd6 26.Qh4-/+) 26.Kg1=+ Nd6 27.Qh4 Nde4 28.Be3 (better 28.Be1!?=+) 28...Nc3-+ 29.Rf1 White prepares the advance f5 29...Rbd8 30.f5 ef5 31.gf5 Nh5 (31...Rd6 32.fg6 fg6-/+ (32...hg6 33.Bh6 Nh5 34.Rf7 Qf7 35.Nf7 Kf7 36.Bg7 Ng7 37.Rf3 Kg8 38.Rf6 Ne2 39.Be2 Rf6 40.Qf6 Re2 41.d5+-)) 32.fg6? (better 32.Nf7!? Qf7 33.fg6=) 32...fg6-/+ 33.Rf7? (33.Ng6 hg6 34.Qg5-+) 33...Qd5-+ 34.Qg5 (34.Rg7 Kg7 35.Bf2-+) 34...Re5 35.de5 (35.Rg7 Ng7 36.Qe5 Qe5 37.de5 Rd3-+) 35...Kf7 36.Bf1 (36.Bc2 Rf8-+) 36...Re8 (36...Be5 37.Qg4-+) 37.Qg4 (37.Rh5 gh5 38.Qh5 Kf8 39.Qf5 Kg8-+) 37...Qe5 38.Bf2 (38.Rf3 Kg8-+) 38...Ne4 39.Qd7 (39.Rf3 Kg8 40.Ba7 Bf8-+) 39...Kg8 40.Re3 (40.Ba7 Rf8 41.Qd1 Rf7-+) 40...Nhf6 (better 40...Rf8 41.Re4 Qe4 42.Bd3-+) 41.Qc6 (41.Qd1 Bf8 42.Re2 Ng4-+) 41...Rf8 42.Bg2 (42.Bh3 Qg5 43.Rg3 Qh5-+) 42...Qa1 (42...Ng4 43.Rf3 Qh2 44.Kf1 Rf3 45.Qd5 Rf7 46.Ke2 Nc3 47.Kd3 Nd5 48.Bd5 Nf2 49.Ke3 Qg3 50.Bf3 Qf3 51.Kd2 Re7 52.Kc2 Qd1) 43.Re1 Qb2 44.Qe6 (44.Ba7 Re8-+) 44...Kh8 45.Be3 (45.Bb6-+) 45...Qc3 46.Re2 Qd3 (46...Qa1 47.Bf1 Ng4 48.Bf2 Ngf2 49.Rd2 Nd2 50.Qe2 Nh3 51.Kg2 Nf4 52.Kg3 Qc3 53.Qd3 Nf1 54.Kg4 Qd3 55.Kh4 Nh2 56.Kg5 Qg3) 47.Bf3 (47.Re1 b4 48.Bb6 Re8-+) 47...Nc3 (47...Re8!? 48.Qc6 Nc3 49.Re1 Re3 50.Rf1-+) 48.Re1 (48.Rd2 Qb1 49.Kg2 Nfe4-+) 48...Ncd5 (better 48...Re8 49.Qb6 Nd7 50.Qa6-+) 49.Bd5 Nd5 50.Bf2 0–1. Pijpers,Arthur (2475) – Ly,Moulthun (2480), 8. Batavia Blitz, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    6.Na3 Bg4 7.Nb5 Kd8 8.Ra3 (8.Na7 Bf3 9.Qf3 Qe5 10.Qe3 Qa1 11.Qb6 Ke8 12.Bb5 Nd7 13.Bd7 Kd7 14.Qb7 Ke6 15.Qc6 Kf5 16.g4 Kg4 17.Qa8 Qc1 18.Ke2 A) worse 18...Qc2 19.Qf3 Kh4 20.Qf4 Kh5 21.Rg1+= (21.Qf7? Qg6 22.Qf3 Qg4-+); B) 18...Qa3 19.Rg1 Kf5 20.Qf8 Qa7 21.Qc8 Kf6 22.Qc3 e5 23.Qc6 Kf5 24.Qc8 Kf6 25.Qc6 Kf5 26.Qc8 Kf6 27.Qc6=) 8...Nd7 (8...Qe4 9.Be2 e6 10.Re3+=) 9.c4 (9.Na7 Bf3 10.gf3 Rb8=) 9...Qe4=+ 10.Be2 Bf3 11.Rf3 Ngf6 12.0-0 (12.d4 e6=) 12...e6 13.d4 Qc6 (13...a6 14.Nc3 Qc6 15.d5 ed5 16.Nd5 Nd5 17.cd5+=) 14.Bf4 Qc8 (14...a6!? 15.Nc7 Rc8=) 15.Bc7 Ke8 16.Bg3 Bb4? (better 16...Kd8+=) 17.Rb3+- Be7 18.Nc7 Kf8 19.Na8 Qa8 20.Bf3 Nb6 (20...Qc8 21.Rb7 Qc4 22.Qa1+- (worse 22.Ra7 Kg8+-)) 21.Qa1 Qd8 (21...Nc4 22.Rb7 Nd2 23.Rb8 Qb8 24.Bb8 Nf1 25.Kf1+-) 22.Qa7 (22.Qa7 Nc8 23.Qb7+-; 22.Bb7?! Nc4 23.Rc3 Nb6+-) 1-0. Moussard,J (2580) - Richard,E (2120), TCh-FRA Top, 2019. (=1.Nf3 c5 2.b4 cb4 3.a3 ba3 4.e4 d5 5.ed5 Qd5)

    5.Nf3 Nc6

    6.Bb2 Bg4 7.Be2 Nf6 8.ab4 Nb4 9.0-0 Nc6 10.d4 e6 11.h3 Bh5 12.c4 Qd7 13.g4 (13.Ne5 Be2 14.Qe2 Qe7= (14...Nd4? 15.Qd1 Qc7 16.Bd4+-)) 13...Bg6-/+ 14.d5 ed5 15.Bf6 gf6 16.cd5 Ne5 17.Nd4 Qd5 18.Qa4 Nd7 (18...Ke7 19.Rd1 Qc5 20.Qb3+=) 19.Nc3 (better is 19.Bf3!? Qd6 20.Bb7+/-) 19...Qc5+= 20.Bb5 0-0-0 (20...Rd8 21.Rfc1 Be7 22.Bd7 Rd7 23.Ncb5+/-) 21.Rfc1 (21.Rac1 Nb6 22.Qa7 Rd4+/-) 21...Bh6?? (21...Nb6 22.Qa7 Nc4 23.Qc5 Bc5+-) 22.Ne4+= Qc1 23.Rc1 Bc1 24.Nd6 Kc7-/+ 25.Bd7 Kd6 26.Bb5 a6 27.Qb4= Kc7 28.Qc5 Kb8 29.Nc6 bc6 30.Qb6 Kc8 31.Qc6 Kb8 32.Qb6 Kc8+= 33.Qc6 Kb8 34.Qb6 Kc8+= 35.Qa6 Kc7 36.Qc6 Kb8 37.Qb6 Kc8= 38.Qc6 Kb8 39.Ba6 Rd1 40.Kg2 Be4 41.Qe4 Rd7 42.Qb1 Ka7 43.Qc1 Rhd8 44.Bb5 Rb7 45.Bc6 Rb6 46.Be4 Rd7 47.Bh7 Rdb7 48.Be4 Rd7 49.Qa3 Ra6 50.Qc5 Rb6 51.Bc6 (51.Bc6 Rdb7 52.Bb7 Kb7 53.Qb6 Kb6 54.h4+-) 1–0. Go,B (2150) – Beerdsen,Thomas (2015), 15th Unive Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.ab4 Qe4 7.Be2 Qb4 8.Nc3 Qb6 9.d4 Bg4 10.Rb1 Qc7 11.Nb5 Qd7 (better is 11...Qb8!?=) 12.Bf4+/- Rc8 13.d5 Bf3 14.gf3 e5 15.dc6 bc6 16.Qd7 Kd7 17.Rd1 Ke6 18.Na7 Rc7 19.Bc4 Kf5 20.Be3 Bb4 21.Ke2 Nf6 22.Rhg1 Nd5 23.Bd5 cd5 24.Rd5 (24.Rg7?! Rc2 25.Bd2 Kf6+=) 24...Rc2 25.Kf1 (25.Kd1 Ra2 26.Rg5 Kf6 27.Rge5 Bc3 28.Rf5 Ke6+-) 25...Ke6 26.Rb5 Be7?! (26...Bf8+-) 27.Rb6 Kf5 (27...Kd5 28.Rg7 Bd8+-) 28.Rg7 (28.Rg7 Rf8 29.Rh7+-) 1–0. Chulivska,Vita (2210) – Dolzhikova,Kateryna (2150), UKR–ch U16 Girls, 2004. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.ab4 Qe4 7.Be2 Nb4 8.Na3 Bd7 9.0-0 Nf6 10.Bc4 e6 (10...Bg4 11.d3 Bf3 12.gf3 Qg6 13.Kh1=) 11.d3 Qg4 12.Nb5 Bb5 13.Bb5 Nc6 ½–½. Strowig,Justin (1835) – Weber,Sandra (1835), Lichtenberger Sommer, 2015. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.a3 d5 5.ed5 Qd5)

    6.ab4 Qe4 7.Be2 Nb4 8.Na3 e6 9.0-0 Bd7 10.Re1 Qd5 11.Bc4 Qc5 12.d4 Qc7 13.c3 Na6 14.Ne5 Nf6 15.Nb5 Qb8 (15...Qb6 16.Rb1+=) 16.Bf4 (16.d5 Qc8 17.d6+-) 16...Bd6?? (better is 16...Qc8+/-) 17.Nd7+- Nd7 (17...Kd7 18.Nd6 Nc7 19.Qa4 Ke7 20.Qa3+-) 18.Nd6 (18.Nd6 Kf8 19.Qh5+-) 1–0. Papapetropoulos,Periklis (2030) – Vossos,Marios, Ambelokipi op, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.ab4 e5 7.Nc3 Qd8 8.b5 Nd4 9.Be2 (9.Ne5!? Qg5 10.Nd3+=) 9...Bf5= (worse 9...Ne2 10.Qe2 (10.Ne2?! e4 11.Nfd4 Nf6=; 10.Ke2?! Bb4=+) 10...f6 11.d4+-) 10.0-0 (10.Ra2 Bd6=) 10...Bc2=+ 11.Qe1 Nf6 12.Ne5 Be7 13.Bc4 0-0 14.Ne2 Bc5 15.Ra2 (15.Bb2 Bb3 16.Bd4 Bd4 17.Nf7 Rf7 18.Bb3 Ba1 19.Qa1 Qd2+=) 15...Bf5 (15...Bb3 16.Bb3 Nb3 17.d3=+) 16.d3 Qb6 Attacking the isolated pawn on b5 (16...Be6 17.Nd4 Bd4 18.Nf3=) 17.Nd4+= Bd4 18.Ba3 Bc5 (18...Qc7!? 19.Bf8 Be5+=) 19.Bc5+- Qc5 20.Qe3 Qd6 21.Rfa1 (21.Re1 Nd5 22.Qd4 Be6+-) 21...Rae8+= 22.d4 Ng4 23.Qg3 (23.Qc3 Ne5 24.de5 Re5 25.Ra7 Rc5=) 23...Ne5 (23...Qd4 24.Ng4 Bg4 25.Bf1=+) 24.de5 Re5 25.Ra7 Qd4 26.Qb3 (better 26.Ra8!? Ree8 27.R8a4+=) 26...Be6-/+ 27.R7a4 Bc4 28.Qc4 Qc4 29.Rc4 Rb5 30.Rc7 g5 31.g4 Rb8 32.Ra4 Rb6 33.f4 Rb2 (33...Rb1 34.Kf2 Rb2 35.Kg3 Rb3 36.Kf2-/+) 34.fg5=+ Rd8 35.Rf4 Rd1 36.Rf1 Rf1 37.Kf1 Kg7 38.h4 Kg6 (38...Rb4 39.Kf2=+) 39.Rc8= Kg7 40.h5 h6 41.gh6 Kh6 42.Rc5 b5 43.Rf5 Kg7 44.h6 (44.Ke1!?=) 44...Kh6=+ 45.Rf7 b4 46.Rb7 b3 (46...Kg5 47.Rg7 Kf6 48.Rb7=+) 47.Ke1 Kg5 48.Kd1 Kg4 49.Kc1 Rc2 50.Kb1 Rc3 51.Kb2 Rd3 52.Rb4 Kf3 53.Rb3 Rb3 54.Kb3 ½–½. Schultz Pedersen,J (2055) – Storme,Isak (2275), Xtracon Chess Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 bc3 7.Nc3 Qa5 8.Bb5 Bd7 9.0-0 Nf6 10.Qb3 e6 11.d4 Be7 12.Bd2 Qd8 13.Rac1 0-0 14.Rfe1 Re8 15.Bg5 a6 16.Bd3 Na5 17.Qa2 (17.Qb1!?=+) 17...Bc6-/+ 18.Bf6 Bf6 19.Qc2 (19.Ne5 Qd4 20.Nc6 bc6-/+) 19...g6 (19...Bf3!? 20.gf3 Rc8 21.Bh7 Kh8 22.Be4 Bd4 23.Qd3-+) 20.Ne4 Bd4 21.Neg5 (21.Nd4!? Qd4 22.Nc5-/+) 21...Bf6 22.Ne4 Bg7 23.h4 Rc8 24.Qb1 f5 25.Neg5 Bd5 26.Re3 (26.Rc8 Qc8 27.Qd1 Qc5-+) 26...Rc1 27.Qc1 e5 28.Bb1 (28.Qd2 e4-+) 28...e4 29.Nh2 Bd4 30.Re2 Qb6 (better 30...h6 31.Nh3 e3 32.fe3-+) 31.g3 (31.Qc2 Nc4 32.Ba2 Rc8-+) 31...e3 32.f4 (32.Ba2 A) 32...ef2?! 33.Kf1 Kf8 34.Bd5 Re2 35.Ke2 Qb5 36.Bc4 Nc4 37.Ne6 Kf7 38.Nd4 Qe5 39.Kd3 Qg3 40.Ndf3 f1Q 41.Qf1 (41.Nf1?? Qf3 42.Kd4 Qe4 43.Kc3 Qh4-+) 41...Na3 42.Qa1 Qd6 43.Ke2-+; B) 32...Ba2 33.Ra2 ef2 34.Kg2 Qb3-+) 32...Bc4 33.Qc2 (33.Nhf3 Be2 34.Ba2 Kf8 35.Nd4 Qd4-+) 33...Be2 34.Ba2 Kg7 35.Qe2 Qb2 (35...Qb5 36.Kf1 Nb3 37.Bb3 Qb3 38.Nhf3-+) 36.Qb2 (36.Ne6 Kf6 37.Nd4 Qd4-+) 36...Bb2 37.Nhf3 Ba3 38.Ne5 (38.Nd4 Re7-+) 38...Re7 (38...Rc8!? 39.Nd3-+) 39.Kf1 Nc6 40.Nd3 (40.Nc6 e2 41.Ke1 bc6 42.Ne6 Kf6 43.Ke2 Re6 44.Be6 Ke6-+) 40...Nd4 41.Kg2 e2 42.Ne1 Bb4 (42...Bb4 43.Ngf3 Nf3 44.Nf3 b5-+) 0–1. Ferraro,P (1950) – Marhoefer,Daniel (1770), 34th ECC Open (5), 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.Be2 e5 7.ab4 Bb4 8.c3 Bc5 9.Ba3 (9.d4 ed4 10.Be3 Nf6 11.cd4 Bb4 12.Bd2 Bd2 13.Qd2 0-0-/+) 9...e4-+ 10.Ng1 Nf6 11.d4 ed3 12.Bf3 (better 12.Bc5 Qc5 13.Qd3-+) 12...Qe5 13.Kf1 0-0 (13...Ba3 14.Na3 Bf5 15.Nc4-+) 14.Qd3 (14.Bc6 bc6 15.Nf3 Qe2 16.Qe2 de2 17.Ke1 Ba3 18.Na3 Re8-+) 14...Re8 15.Ne2 (15.Qe2 Qf5 16.Qd2 Bb6-+) 15...Bf5 16.Qd1 Rad8 17.Qc1 Bf2! 18.Kf2 Bg4?? (18...Ng4 19.Bg4 Bg4 20.Nf4-+) 19.Qf4?? (better 19.Ra2=+) 19...Qe2!-+ 20.Be2 Re2 21.Kg3 Rd3 22.Kh4 (22.Qf3 Rg2!! 23.Kg2 Bf3 24.Kf1-+) 22...Ne5 23.Qd4 (23.Qg4 Nfg4 24.Rd1 Ng6 25.Kg4 Re4 26.Kf5 Re5 27.Kg4 h5) 23...Ng6 24.Kg5 h6 0-1. BUBULLE (2425) - NonSens (2625), Rated Bullet game, lichess.org, 2015. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.ab4 Nb4

    7.Na3 a6 8.Bc4 Qe4 (8...Qe4 9.Be2 Qg6=+). Wilson,Norman – Michael,Holger, IECC, 2006.

    7.Nc3 Qd8 8.Ne5= Nc6 9.Bb5 Bd7 10.Nd7 Qd7 (worse is 10...Kd7 11.d4 Kc8 12.Bc6 bc6 13.Qf3+/-) 11.d4 e6 12.0-0 Nf6 13.Re1 Bb4 14.Bb2 0-0 15.Ne4 Ne4 16.Re4 Qd5 17.Qe2 Ne7 18.c4 Qd6 19.Rb1 a5 20.Ba1 Ng6 21.Rb3 Qc7 22.Qh5 Be7 23.Rh3 h6 24.Rg4 Bf6 25.c5 Rfd8 26.Bd3? Rd5-+ 27.Bg6 Rh5 28.Bh5 Qc6 29.Ra3 Qd5 30.Bf7 Kf7 31.h3 Qc4 32.Kh2 h5 33.Rf4 e5! 34.Rc3 Qa4 35.Rf5 Qa1 (35...Qa1 36.Rb3 Qd4 37.Rb7 Ke6-+) 0–1. Zelinsky,A (2090) – Kotovskyy,D (2020), 1st Evgen Zaveriukha Mem, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    7.Nc3 Qd8 8.Ne5 Bd7 9.Rb1 Nc6 10.Qe2 Nf6 (10...Ne5 11.Qe5 Qb8 12.Qe4=+) 11.Rb7= Qc8 12.Rb1 Ne5 13.Qe5 e6 14.Be2 a6 15.0-0 Be7 16.Bf3 Bc6 17.Bc6 Qc6 18.Rb8 Kd7 19.Qd4 Kc7 20.Rh8 Rh8 21.d3 (21.Re1 Bd6+=) 21...Rd8 (21...Qc5 22.Bf4 Kc8 23.Qa4 Qc3 24.Rb1=) 22.Qa7+= Qb7 23.Bf4 Bd6 24.Bd6 Rd6 25.Qe3 h6 (25...Kd7 26.Rc1+=) 26.Rb1 Rb6 27.Qc5 Qc6 28.Qa5 Kb7 29.Ra1 Nd5 (29...Kc8 30.Ne4+=) 30.Nd5+- Qd5 31.Qa3 Qd6 32.Qa4 Ka7 (32...Qc6 33.Qf4 Qc7 34.Qe4 Qc6 35.Qe2+=) 33.h3+- h5 34.Qe4 Qc5 35.Qf4 f6 36.Qa4 e5 (36...Qc6 37.Qa2+=) 37.Kf1 (37.Qd7 Ka8+-) 37...Qc6 38.Qa2 h4 (38...Qb7 39.Rc1+=) 39.Kg1 g5 ½–½. Williams,Barry – De Smet,Karl, corr ICCF TT/15/01/1 (NZL–NED), 2001.

    7.Nc3 Qe6!? 8.Ne2 Qf6 +=.

    7.Nc3 Qf5 8.Bb5 Bd7 9.Bd7 Qd7 10.0-0 g6 (10...Nf6 11.Bb2+=) 11.Ne5= Qf5 (11...Qc8!? 12.Re1 Bg7=) 12.Qe2+= Qc8 (12...Nc2 13.Qb5 Kd8 14.Qd5 Kc8 15.Ra4 Qe5 16.Qe5+-) 13.Qb5 (13.Nb5 e6 14.Nc4+/-) 13...Nc6= 14.d4 a6 15.Qa4 f6 (15...Bg7 16.Bf4 Nf6 17.Rfe1=) 16.Nc4 (better is 16.Nf3 Qd7 17.Re1+=) 16...Ra7 (better is 16...Rb8 17.Nb6 Qd8+=) 17.Nb6+/- Qd8? (17...Qg4 18.d5 Qa4 19.Ra4 e6 20.dc6 bc6+-) 18.d5+- Qb6 19.Be3 Qc7 20.Ba7 b5 21.Nb5 (21.Qa6?! Na7 22.Qe6 Qb7+-) 21...ab5 22.Qb5 e5 23.dc6 Ne7 24.Ra6 Nc8 (24...Rg8 25.Rd1 Qc8 26.Rb6+-) 25.Bb8 Nd6 (25...Qf7 26.Rd1 Be7 27.c7 Kf8 28.Rd8 Kg7+-) 26.Qa4 Qc8 27.Bd6 (27.Bd6 Bd6 28.Ra8+-) 1–0. Alves,Joaquim Fabiano – Do Nascimento,Ricardo, BRA corr Brazil, 1976. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    7.Be2 Nc6 8.c4 Qd8 9.d4 e6 10.d5 ed5 11.cd5 Nce7 (11...Nb4 12.Nc3=+) 12.0-0 (12.Nc3 Nf6 13.d6 Nc6+-) 12...Qd5=+ 13.Qd5 (13.Nc3 Qd1 14.Rd1 Bd7+=) 13...Nd5-/+ 14.Bb5 Bd7 15.Bd7 Kd7 16.Rd1 Ngf6 17.Nc3 Kc6 18.Nd5 Nd5 19.Ne5 (19.Ne5 Kc5 20.Ra5 b5 21.Ra6+-) 1–0. Van Den Berg,Bram (2205) – Janse,Alexander (2015), 20th Hogeschool Zeeland Tournament, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.Nf3 d5 5.ed5 Qd5)

    6.ab4 Bg4

    7.Ra4 Nd4 8.Be2 Bf3 9.gf3 Qe6 (worse is 9...Ne2 10.Qe2 Nf6 11.Bb2+=) 10.h4 (10.Kf1!?-/+) 10...Nf3-+ (10...Ne2?! 11.Qe2 Qd7 12.Nc3+=) 11.Kf1 Nd4 12.b5 Ne2 13.Qe2 Qe2 (13...Qf5!? 14.d4 e6-/+) 14.Ke2+= e6 15.d4 Nf6 16.c4 Be7 17.Rh3 Nd7 18.Ba3? (better is 18.Nd2-/+) 18...Nb6-+ 19.Be7 Na4 (19...Ke7?! 20.Rb4-/+) 20.Bd6 Nb6 21.c5 Nd5 22.h5 Kd7 23.h6 (23.Rf3 f6-+) 23...g6 (23...Rhg8 24.Rf3 f6 25.hg7 Rg7 26.Nc3 Nc3 27.Rc3-+) 24.Nd2 (24.Rf3 f6-+) 24...a6 25.Rf3 f6 26.b6 a5 27.Ne4 a4 28.Nf6 Nf6 29.Rf6 a3 30.Rf7 Kc6 31.Be5 Rhf8 32.Rh7 Kd5 33.c6 a2 34.cb7 a1Q 35.ba8Q Ra8 36.Rd7 Ke4 37.f3 Kf5 38.Rf7 Kg5 39.h7 Qa2 40.Kd1 Qb3 (40...Qb3 41.Ke1 Qb1 42.Kd2 Qb2 43.Kd3 Ra3 44.Ke4 Qe2; 40...Qb1 41.Kd2 Qb2 42.Kd3 Ra3 43.Ke4 Qe2) 0–1. Knox,David – Williams,Leighton, It (open), Hastings (England), 1996. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 d5 5.ed5 Qd5 6.ab4 Bg4)

    7.c3 Ne5 8.Be2 Bf3 9.gf3 Nd3 10.Bd3 Qd3 11.Qe2 Qe2 12.Ke2 e6 13.d3 Nf6 14.Bd2 Nd5 15.b5 Bd6 16.c4 Nf4 17.Bf4 Bf4 18.Nd2 Ke7 19.h3 a6 20.Nb3 ab5 21.cb5 Rhc8 22.Ra8 Ra8 23.Ra1 Ra1 24.Na1 Kd6 25.Nb3 (25.d4!?-/+) 25...Kc7-+ 26.d4 Kb6 0–1. Vetterlein,David – Kondziela,Andreas (2090), DESC, 2002. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.a3 d5 5.ed5 Qd5)

    7.c3 Ne5 8.Be2 Nf3 9.gf3 Bd7 10.d4 e6 11.Be3 Nf6 12.Rg1 g6 13.Rg5 Qd6 14.Rga5 Qb8 15.Nd2 b6 16.R5a2 Bg7 17.Ne4 0-0 18.Qd2 Bc6 19.Bf4 Ne4 20.fe4 e5 21.Bg3 Be4 22.Qe3 ½–½. Feller,J (2195) – Klein,Man (2230), 10th TCh–Euro sen, Dresden GER, 2008.

    7.Nc3 Qe6

    8.Qe2 Qd7 9.h3 Nd4 10.Qd3 Bf3 11.gf3 e5 12.Nb5 Nc6 13.Qd7 Kd7 14.c3 Be7 15.Rg1 g6 16.Na3 a6 17.Nc4 Rd8 18.f4 e4 19.f3 ef3 20.Kf2 Nf6 21.Ne5 Ne5 22.fe5 Ne4 23.Kf3 f5 24.ef6 Nf6 25.b5 ab5 26.Bb5 Kc7 27.d4 Rhf8 28.Bh6 Rf7 29.Bf4 Bd6 30.Bc4 Nd5 31.Bd5 Rf4 32.Ke3 Rf5 33.Be4 Rh5 34.Rh1 Re8 35.Kd3 Re7 36.Ra7 Kb8 37.Ra2 Rg5 38.Rf1 Rg3 39.Rf3 Rg1 40.Rf8 Kc7 41.Rf6 Re1 42.Bf3 R1e3 43.Kc2 Kb8 44.Rf8 Kc7 45.Raa8+= Rg7 46.Rac8 Kb6 47.Kd2 Rge7 48.Bg4 Bg3 49.d5 R3e5 50.Rf6 Ka7 51.Be6 Re4 52.Kd3 Re1 53.c4 Be5 54.Rf2 Rd1 55.Ke2 (55.Ke2 Ra1 56.Ke3=) 1–0. Hynes,Wayne (2420) – Sladek,Vaclav (2160), KE64 Canadian Championship (CCCA), 2008.

    8.Be2 Bf3 9.gf3 Nb4 10.Rb1 a5 11.Ba3 +=.

    8.Be2 Bf3 9.gf3 Nd4 10.0-0 Ne2 11.Ne2 Nf6 12.Re1 Qd5 13.c4 (better 13.Ng3!?=+) 13...Qc4-+ 14.Qa4 b5 (14...Nd7 15.Bb2-+) 15.Qa6-/+ e6 16.d3 Qc8 (16...Qd5 17.Nc3 Qd7 18.Qb5 Qb5 19.Nb5-/+) 17.Qb5 Qd7 18.Qd7 Kd7 19.Bd2 Bd6 20.Ra2 Rhb8 21.Rea1 Rb7 22.Nf4 (22.b5 Nd5-/+) 22...e5 (22...Be5 23.Rb1-+) 23.Ne2-/+ Nd5 24.b5 Ke6 (24...Rb5 25.Ra7 Ra7 26.Ra7 Ke6 27.f4-/+) 25.Rb1 (25.f4 Rb5 26.Ra6 Rb6-/+ (26...Nf4 27.Bf4 Kd7 28.Ra7 Ra7 29.Ra7 Ke6 30.Be3+-)) 25...Rab8 26.d4 (26.f4!? Rb5 27.Re1-/+) 26...Rb5-+ 27.Rb5 Rb5 28.de5 (28.Kg2 Rb7-+) 28...Be5 (28...Ke5?! 29.Nc3 Rc5 30.Nd5 Rd5 31.Bc3 Ke6 32.Ra7-/+) 29.f4 Rb1 30.Kg2 Bb8 (30...Ra1 31.Rc2 Bf6 32.Ng3-+) 31.Nd4 Kd7 32.Ra5 Ne7 33.Be3 Rb7 34.Ra6 Bc7 (34...Nd5 35.Ra5 Nb6 36.Kf3-/+) 35.Nf3-/+ Nd5 36.Nd4 (better 36.Ng5!?-/+) 36...Nf4-+ 37.Bf4 Bf4 0-1. Eder,Matthias (2170) - Ftacnik,L (2510), TCh-AUT 2nd Bund. Mitte, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6)

    8.Be2 Bf3 9.gf3 Nd4 10.0-0 (10.Ne4 g6=) 10...Ne2 (10...Qg6 11.Kh1 Qc2 12.Nb5-/+) 11.Ne2 Nf6 12.Re1 Qd7 13.c4 e6 14.Qa4 b5 (14...Qa4 15.Ra4 Nd7 16.c5-/+) 15.cb5+= Nd5 16.Bb2 Bb4 (16...Nb6 17.Qa6 Bb4+=) 17.Nd4 (17.Nc3 Bc5=) 17...0-0 (better is 17...Bd2!? 18.Re5 0-0-/+) 18.Nc6+= Bd6 (18...Bd2 19.Qd4 Bh6 20.Ra7 Ra7 21.Qa7 Qa7 22.Na7=) 19.Kh1 (19.Qg4 f5 20.Qd4 Rf7=) 19...Ne7 20.Rg1 (20.Na7 Qb7 21.Qg4 Nf5-/+) 20...Nf5 21.Rg7? (better is 21.Qg4!? g6 22.Ra6=) 21...Ng7-/+ 22.Bf6 Rfc8 23.Rg1 Kf8 24.Rg7 Qc7 25.Qg4 (25.Rh7 Ke8 26.Qg4 Bf4+-) 25...Ke8 26.Rh7 Bf8 (26...Bf4 27.Bc3 Rd8 28.Qg8 Kd7 29.Qf7 Kc8 30.Qe6 Kb7 31.Rc7 Bc7 32.Na5 Kb8 33.Qc6 Kc8 34.Be5 Rd6 35.Bd6 Kd8 36.Qc7 Ke8 37.Qe7) 27.Qg8 (27.Qg8 Kd7 28.Qf7 Kd6 29.Be5 Kc5 30.Bc7 Bg7 31.Qe7 Kc4 32.Qe6 Kd3 33.Nb4 Kd2 34.Qe3 Kd1 35.Rg7 Rc7 36.Rg1) 1–0. Badmatsyrenov,Oleg (2485) – Angarov,Dmitriy (1980), Ulan Ude RUS, Buryatia Ch, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.a3 d5 5.ed5 Qd5)

    8.Be2 Bf3 9.gf3 Nf6 10.Nb5 Rc8 11.Na7 (11.Bb2 a6 12.Nd4 Qe5 13.Nc6 Qb2-/+) 11...Nd4-/+ 12.h3 Nc2 13.Kf1 Na1 14.Nc8 Qb3 15.b5 Nc2 16.Nb6 Nd4 17.Qb3 Nb3 18.Bb2 e6 19.Nc4 Bc5 20.Rg1 Bd4 21.Ba3 g6 22.Bd1 Nc5 23.Rg5 Ncd7 24.Nd6 Kf8 25.Nb7 Kg7 26.Bd6 Ra8 27.Bb3 Bb6 28.Bf4 Ra3 29.Bd1 Ra2 30.Be3 Ra1 31.Ke2 h6 32.Rg1 (32.Rg2 Rb1+=) 32...Rb1+= 33.Nd6 Bc7 34.Ne4 Rb5 35.Ba4 Rb4 36.Ra1 Be5 37.Ra2 Nb6 38.Nf6 Bf6 (38...Ra4?! 39.Ra4 Na4 40.Ng4=) 39.Be8 Nc8 40.f4 Rc4 41.Bb5 Rc1 42.Kf3 Nd6 43.Bd3 Rc8 0–1. Coppel,Ilvo – Raiteri,Enrico, SEMI B030 email, 2002. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.a3 d5 5.ed5 Qd5 6.ab4 Bg4)

    5.Nf3 e5

    6.Bb2 f6 7.ab4 Bb4 8.Na3 Ba3 9.Ra3=+ Nc6 10.c4 Qc5 11.Ne5? fe5-+ 12.Re3 Nge7 13.Qh5 g6 14.Qg5 0-0 15.Bd3 Bf5 16.0-0 Bd3 17.Rd3 Qc4 18.Rd7 Qf4 19.Qf4 ef4 20.Ba3 b5 21.Be7 Rf7 22.Re1 Re8 (22...Re7?! 23.Ree7 Ne7 24.Re7-+; 22...Ne7?! 23.Ree7 Re7 24.Re7-+) 0–1. Boelen,M – Ljubojevic,Ljubomir, WchT U26 qual–E, 1969.

    6.c3 e4 7.Qe2 Be7 8.Nd4 bc3 9.Qb5 Qd7 10.Nc3 Nc6 (10...Nf6 11.Nf5-/+) 11.Nc6=+ bc6 12.Qa4 (12.Qc4 f5=+) 12...Nf6 (12...f5 13.Rb1-/+) 13.Ne4 0-0 14.d3 Ne4 15.de4 Bf6 16.Ra2 Rd8 17.f3 Bc3 18.Kf2 Bd4 19.Ke1 (19.Be3 Be3 20.Ke3 Rb8=+) 19...Rb8-/+ 20.Bg5 (better 20.Be2-/+) 20...Rb1-+ 21.Ke2 Bc5 22.Bd8 (22.Rd2 Ba6!! 23.Qa6-+) 22...Ba6!! 23.Qa6 (23.Qa6 Qd1 Mate attack) 0–1. Megydios (2280) – juliangon (2515), ChessWorld.net, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.c4 Qa5 7.Bb2 Nc6 8.Ne5 Ne5 9.ab4 Qc7 10.Qe2 f6 11.f4 Bg4 (11...Qc4!? 12.Qe5 Qe6 13.Bb5 Kf7 14.Qe6 Be6=) 12.Qe3= (worse is 12.Be5 Qd7 (12...Be2?! 13.Bc7 Bf1 14.Rf1=; worse is 12...fe5 13.Qg4 ef4 14.c5+=) 13.Qe3 fe5-+) 12...Bb4 13.fe5 Ne7 (13...fe5 14.Be5 Qe7 15.Ra4+=) 14.Qg3 (14.ef6 gf6 15.Bf6 Rf8+/-) 14...h5 (14...Qd7 15.ef6 gf6 16.Bf6=) 15.h3+= (worse is 15.ef6 Qg3 16.hg3 gf6+=) 15...Bf5 16.Qg7 0-0-0 17.Ra4 (17.Qf6 Bb1 18.Kd1 Rhf8 (worse is 18...Rd2 19.Kc1 Bg6 20.Qh8 Rd8 21.Ra7-+) 19.Qe6 Kb8-+) 17...a5 18.Rb4 ab4 19.ef6? (better is 19.d3=) 19...Rhg8 20.fe7 Rg7 21.ed8Q Kd8 22.d3 Re7 23.Kd1 Qc6 24.Kd2 Qe6 25.g4 Qe1 26.Kc2 Bd3! 27.Bd3 Qh1 28.Bf6 Qh3 29.Be7 Ke7 30.gh5 Qh5 31.Nd2 Qh2 32.Kc1 Kd6 33.Nb3 Ke5 34.Kb1 b6 35.Kc1 Kf4 36.Kb1 Qh8 37.Bc2 Qc3 38.Kc1 Qc4 39.Kb2 Qc3 40.Kc1 Ke3 41.Kb1 Qc6 42.Kc1 Qa8 (42...Qa8 43.Kb1 Qa3 44.Nc1 Kd2 45.Ne2 Ke2 46.Bd1 Kd2 (46...Kd1?!) 47.Bh5 b3 48.Bf3 Qc1) 0–1. Pirrot,D (2410) – Lupor,S (2260), 26th ChessOrg Schachfestival, Bad Woerishofen, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.c4 Qd6 7.ab4=+ e4 8.Qe2 f5 9.Nc3 Nc6 10.Ba3 Nb4 11.Bb4 Qb4 12.g4 Nf6 13.gf5 Bf5 14.Nh4 Bd7 15.Rb1 Qc5 16.Rb7 Be7 17.Rg1 0-0 18.Nd5? Rab8?? 19.Ne7-/+ Qe7 20.Nf5 Qe5 21.Rb8? Rb8 22.Ne3 Rb1 23.Nd1 Ba4 0–1. Chulivska,V (2260) – Molchanova,T (2315), 6th ch–EURw Chisinau MDA (11), 2005.

    6.c4 Qd6 7.c5 Qc5-/+ 8.ab4 Qb6 (8...Qe7 9.Ba3-/+) 9.Nc3 (9.Ne5 Bb4 10.Qa4 Nd7=) 9...Nf6 (9...Bd6 10.Bb5 Bd7 11.Qe2-/+) 10.Ne5 Bb4 (10...Qb4? 11.Bb5 Nbd7 12.Ba3 Qa3 13.Ra3 Ba3 14.Qb3+-) 11.Bb5 Nc6 (11...Bd7 12.Rb1 a5 13.Nd7 Nbd7 14.Bd7 Nd7 15.0-0=+) 12.Qa4 (12.Ra6 Qc7 13.f4-/+) 12...0-0-/+ 13.Bc6 bc6 14.Qc6 Qd4 (14...Bb7 15.Qb6 ab6 16.Ra8 Ra8 17.0-0-/+) 15.Nf3=+ Qd3 16.Ne5 Qd4 (16...Qf5!? 17.0-0 Be6=+) 17.Nf3= (17.Qa8?? Qe5 18.Ne2 Bg4 19.Qf8 Kf8-+) 17…Qd3 ½–½. Pranav,V (2280) – Nebolsina,V (2210), Aeroflot Open B, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 Nc6 7.Qe2+= f6 8.Be4 Qd7 9.ab4 Bb4 10.c3 Bd6 11.0-0 Nge7 12.Na3 0-0 13.Nb5 f5 (13...Bb8 14.d4-/+) 14.Bc2 (14.Bc6 Qc6 15.Nd6 Qd6+=) 14...e4 (14...Bb8 15.Bb3 Nd5 16.d4=) 15.Ng5 Nd8?? (better is 15...Bf4 16.Bb3 Nd5+=) 16.Bb3+- Kh8 17.Nh7 Ng8 18.Nf8 Bf8 19.f3 Bc5 20.Kh1 a6? 21.fe4 fe4 22.Qh5 Nh6 23.Qc5 b6 24.Rf8 Kh7 25.Qb6 Bb7 26.Nd6 Rb8 27.Nb7 Rb7 28.Qd8 Qg4 29.Rh8 Kg6 30.Ra6 Kh5 31.Rhh6! gh6 32.Qd5 (32.Qd5 Qg5 33.Bd1 Kh4 34.Qe4 Qf4 35.Qf4) 1–0. Wellington,F (1900) – Francimar de Oliveira,V (1915), BNB–ch, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 e4 7.Qe2 Nf6 8.Bc4 Qd6 9.Bb2 Be7 10.Ng5 0-0 11.Ne4 Ne4 12.Qe4 Bf6 13.Bf6 Qf6 14.Ra2 Bd7 15.0-0 (15.ab4?? Re8 16.Qe8 Be8-+) 15...Bc6 16.Qg4 b5 17.Bb3 a5 18.c3 (18.ab4? a4-+) 18...a4 19.Bd1 b3 20.Rb2 Re8 21.d4 Nd7 22.Bf3 Nb6 23.Re2 (better is 23.Bc6!? Qc6 24.Re2-/+) 23...Bf3-+ 24.Re8 Re8 25.Qf3 Qf3 26.gf3 Re2 27.d5 Nd5 28.Rd1 Re5 (better is 28...Nf6!? 29.Kf1 Re8 30.Rd4-+) 29.c4 bc4 30.Nc3 Kf8 (better is 30...Nf6!? 31.Na4 Kf8 32.Rc1-+) 31.Rd5 Re1 32.Kg2 Rc1 33.Na4 c3 34.Nc3 Rc3 35.Rb5 ½–½. Williams,Barry M – Reed,Ken G, New Zealand TT reserves, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 e4 7.Qe2 Nf6 8.Bc4 Qd8 9.Bb2 Be7 10.Ng5 0-0 11.Ne4 Nc6 12.0-0 Bf5 13.d3 h6 14.ab4 Nb4 15.c3 Nbd5 16.Nbd2 Re8 17.h3 Qb6 18.Rfb1 Qc7 19.Qf3 Ne4 (19...Nf4!?=) 20.de4+/- Nb6 21.Bf7! (21.Qf5?! Nc4 22.Nc4 Qc4=) 21...Kf7 22.Qf5 Kg8 23.c4 Bb4 24.Bd4 Bd2 25.Bb6 Qc4 26.Ra7 (worse is 26.Ba7 Bc3 27.Ra3 Bb4=) 26...Ra7 27.Ba7 Re4 28.Rb7 Re1 29.Kh2 Bf4 30.g3 Bd6 31.Qd7 (better is 31.Be3!? Bf8 32.Bd2+/-) 31...Bf8= 32.Rb8 (better is 32.Bb8!?=) 32...Qe4-/+ 33.Rf8 Kf8 34.Qd8 Kf7 35.Qc7 Kg6 36.g4 Rh1 37.Kg3 Rg1 38.Kh4 Qd5 39.Qc2 Kf7 40.Qf5? (better is 40.Qc7 Kg8 41.Qc8 Kh7 42.Qc2 Kh8 43.Qc8 Qg8 44.Qd7+=) 40...Qf5-+ 41.gf5 Kf6 42.Bb8 Kf5 0–1. Williams,Barry M – Lovelock,Graham E, New Zealand TT reserves, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 e4 7.Qe2 Nf6 8.Bc4 Qh5 9.Bb2 Nbd7 10.Nd4 Qg6 11.0-0 Bd6 12.Nb5 Bb8 13.ab4 0-0 14.Re1 a6 15.N5a3? (better is 15.N5c3!? Be5 16.d3=) 15...Ne5-/+ 16.Be5 Be5 17.c3 Bg4 18.Qf1 Bf3 19.g3 Ng4 20.Qh3 Qf6 21.Rf1 Rad8 (21...Rfd8 22.b5-+) 22.b5 Qg5 23.Ra2?? (23.ba6 Rd6 24.a7-+ (24.ab7?? Rh6 25.Qg2 Bg2-+)) 23...Rd6 24.Nc2 Rh6 0–1. Bazza3 – michaelbuss, ChessWorld.net, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 e4 7.Qe2 Nf6 8.Bc4 Qh5 9.d3 b5 10.Bb3 ba3 11.Nbd2 +=.

    6.Bd3 Nf6 7.Bb2 Bg4 8.Qe2 Increases the pressure on e5 8...Nc6 9.Bc4 Qd7 10.0-0 0-0-0 (10...Qf5!? 11.Re1 Bf3 12.Qf3 Qf3 13.gf3 0-0-0-/+) 11.Qe3 Bf3 12.gf3? (better 12.Qf3!? Nd4 13.Qd1 ba3 14.Na3=+) 12...Nd5 13.Qe4 Nf4 14.Be5 (14.Re1 f5 15.Qe3 Nd4 16.Bd4 Qd4 17.Qd4 Rd4-+) 14...Nh3 15.Kh1 Re8 (15...Ne5?! 16.Qe5 Qd4 17.Qd4 Rd4 18.Bf7=+) 16.Bb5 Re5 (16...Re5 17.Qe5 Ne5 18.Bd7 Kd7 19.ab4 a6-+) 0–1. Williams,Barry – Gnirk,Hajo, corr ICCF TT/15/01/1 (NZL–GER), 2001.

    6.Bd3 Nf6 7.Qe2 Nc6 8.Bb2 ba3 9.Be5 Ne5 10.Nc3 Qe6 11.Ne5 Bd6 12.Bb5 Kf8 13.f4 Qe7 14.0-0 Bb4 15.Bc4 Bg4 16.Ng4 Ng4 17.Qg4 Qc5 18.Kh1 Bc3 19.dc3 h5?? (better is 19...Qc4 20.Qf3 Qa6=) 20.Qe2+- 1–0. Bazza3 – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 Nf6 7.Qe2 Nc6 8.Bc4 Nd4 9.Bd5 Ne2 10.Bf7 Kf7 11.Ke2 Bd6 12.Bb2 Bg4 13.h3 Bf3 14.Kf3 Rhc8 15.ab4 Bb4 16.g3 e4 17.Ke3 Rc2 18.Ba3? (18.Bf6 Kf6 19.Ke4 a5-/+) 18...Ba3 (better is 18...Ba5!? 19.Rc1 Bb6 20.Ke2 Rac8 21.Rc2 Rc2-+) 19.Na3 Rc6 20.Nb5 a6 21.Nc3 Rd8 22.Ra5 Rd3 23.Ke2 Rcd6 24.Rd1 b5 25.Nb1 Nd7 26.Rc1 Ne5 27.Rc7 Kf6 28.Ra7 Nc6 29.R5a6 Na7 30.Ra7 b4 31.Rb7 Rb3 32.Nc3 Rd2! (32...bc3?! 33.Rb3 cd2 34.Rb1+=) 33.Ke1 (33.Kd2 bc3) 33...Rd4 (33...Rc3?! 34.Kd2 Rb3 35.Rb6 Ke5 36.Rb7-/+; 33...bc3?! 34.Rb3 Rd3 35.Ke2-+) 34.Nb5 Rb1 35.Ke2 Rd3 (35...Rd3 36.Rb6 Ke5-+) 0–1. Williams,Barry M – Edwards,Bevan J, New Zealand TT reserves, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 Nf6 7.Qe2 Nc6 8.Bc4 Qd6 9.ab4 Be7 10.b5 Nd4 11.Nd4 Qd4 (worse is 11...ed4 12.Ba3 Qd7 13.0-0+/-) 12.Ra4 Qd6 13.Bb2 Bd7? (13...Nd7 14.0-0+=) 14.Ba3 (better is 14.Be5!? Qb6 15.Bd4+/-) 14...Qc7+= 15.Be7 Ke7 16.0-0 Rhe8 17.Nc3 Kf8 18.Ra3 (18.Ne4 Ne4 19.Qe4 Kg8=) 18...Kg8 (better is 18...Bg4!? 19.f3 Qc5 20.Kh1 Bf3 (worse is 20...Qa3 21.fg4 h6 22.Ne4+=) 21.Qf3 Qa3 22.Qb7 Qe7-/+) 19.Rfa1 b6? (better is 19...Bg4 20.f3 Qc5 21.Kf1 Bf5=) 20.Nd5+/- Nd5 21.Bd5 Rad8 22.c4 e4 23.Ra7 Qf4 24.Qe3 (24.Qe3 Qe3 25.de3+-) 1–0. Bazza3 – Rkoelbach, ChessWorld.net, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Bd3 Nf6 7.Qe2 e4 8.Bb2 Be6 9.Bb5 Nc6 10.Nd4 Bd7 11.Bc6 Bc6 12.0-0 Qe5 13.ab4 Bd6 (13...Bb4 14.Nc6 Qb2 15.Ra7 Ra7 16.Na7+=) 14.g3 (better is 14.f4!? ef3 15.Qe5 Be5 16.gf3=) 14...Bb4-/+ 15.Nc6 Qb2 16.Ra7 Ra7 17.Na7 ½–½. Williams,Barry M – Hoskyn,Gordon A, New Zealand CT0210, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.d4 Nc6 7.c4 Qe4-/+ 8.Be2 ed4 9.0-0-/+ Bc5 10.Re1 Nge7 11.Nbd2 Qg6 12.Nb3 b6 13.Bd3 Qd6 14.g3 Bg4 15.Bf4 Qd7 16.Nc5 bc5 17.ab4 cb4 18.Be4 0-0 19.Ra6 Rac8 20.Qa4 Rfd8 21.Nd2 Bf5 22.Bg2 d3 23.Nb3 Nd4 24.Qb4? Nec6-+ 25.Bc6 Rc6 26.Re7 Qc8 27.Raa7 Rc4 28.Qb7 Qb7 29.Rab7 Nb3 30.Rb3 Rf4! 31.Rd3 Bd3 (31...Bd3 32.gf4 Kf8-+) 0–1. Vekemans,D – Beeckmans,Felix (2200), Avoine op (1), 1999.

    6.Qe2 Nc6 7.ab4 Bb4 8.c3 Be7 9.Qb5 (9.c4 Qd8 10.Nc3-+ (10.Ne5? Qd4 11.Nc3 Qe5-+)) 9...Nf6-+ 10.c4 (10.Ba3 Bd7-+) 10...Qb5 (10...Qe6 11.Be2 Bd7 12.Qb2-+) 11.cb5 Nb4 12.Na3 e4 13.Nd4 0-0 14.Bb2 Bd7 15.Be2 Nfd5 16.0-0 Bf6 17.Bc4 (17.g3 Nb6 18.Rab1 Rfd8-+) 17...Rac8 18.Rab1 (18.Rfb1 Rfd8-+) 18...Nb6 (18...Bg5 19.Rfd1 Rfe8 20.Bb3-+) 19.Be2 N4d5 20.Rfc1 Rfd8 21.Nb3 (21.g3 Bh3 22.Rc8 Rc8-+) 21...Bb2 (21...Rc1 22.Nc1 Be7 23.Nc2-+) 22.Rb2 Nf4 23.Bf1 Be6 (23...Rc1 24.Nc1 Bg4 25.Rb4 Rd2 26.Re4-+) 24.g3 (24.Rc8 Rc8 25.Nd4 Bd5-+) 24...Nd3 25.Bd3?? (25.Rc8 Nc8 26.Rb1-+) 25...Rd3 (25...ed3?! 26.Rc8 Rc8 27.Rb1-+) 26.Rc8 Nc8 27.Nc5 Ra3 28.Ne6 (28.Ne4 f5 29.Nc3 Nd6-+) 28...fe6 29.Rc2 Nd6 30.Rc7 Rd3 31.Re7 (31.Rd7 Rd2 32.g4 Rd5-+) 31...Rd2 32.Re6 (32.Rd7 Rd5-+) 32...Kf7 33.Re5 Rb2 34.Rd5 (34.Rh5 Kg6 35.Re5 Kf6-+) 34…Ke6 (34...Ke6 35.Rh5 h6-+) 0–1. Fusari,Paolo (1895) – Kragelj,Igor (2230), 11th Festival – Open A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Qe2 Nc6 7.ab4 Bb4 8.Qe3 Nf6 9.h3 e4 10.c3 0-0 11.Nd4 Nd4 12.Qd4 Qd4 13.cd4 Be6 14.Be2 Rfc8 15.0-0 Rc2 16.Na3 Ba3 17.Ra3 Rac8 18.Ra1 Bc4 19.Bc4 R8c4 20.Rb1 b6 21.Bb2 Rd2 0–1. Muench,H – Kruse,Hartwig, corr, 1986. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    6.Be2 e4-+ 7.c4? Qd8 8.Ne5 Qd4 9.Qa4 Nd7 10.Nf7 Kf7 11.ab4 Nb6 12.Qa2 Nf6 13.Bb2 Qd8 14.Bc3 Be6 15.Qb3 Be7 16.Na3 Qc8 17.0-0 Rf8 18.Rac1 Kg8 19.Qb2 Na4 20.Qc2 Nc3 21.Qc3 Bg4 22.Rce1 Be2 23.Re2 Qd7 24.c5 Rad8 25.Nc4 Qd4 26.Qb3 Qd3 27.Qd3 Rd3 28.f3 Rd4 29.Rc1 Rfd8 30.Rc3 Nd5 31.Rc1 Nb4 32.fe4 Bc5 33.Kh1 Nd3 34.Rc2 Rf8 35.g3 Rf2 36.Re3 Rd8 37.Rd3 Rd3 38.Ne5 Rdd2 (38...Rdd2 39.Rd2 Rd2-+) 0–1. Fusari,P (1895) – Aigner,Geo (1985), Arco ITA, 2011.

    6.Bb2 Nc6

    7.ab4 Bb4 8.Na3 Ba3 9.Ra3 Nge7 10.Rd3 Qa5 11.Ra3 Qc7 12.Bc4 0-0 13.0-0 Bg4 14.Qa1 Ng6 15.Bd5 Rfe8 16.Bc6 bc6 17.Re1 f6 18.d4 Bf3 19.Rf3 ed4 20.Bd4 Re1 21.Qe1 Qd7 22.Rd3 Nf4 23.Rd2 Qg4 24.f3 Qg6 25.Qe3= Qf5 26.Ba7 Nd5 27.Qe1 Qg6 28.Bf2 ½–½. Findlay,Michael (1860) – Wu Lau,Siu Yu (1850), IECG, 2004.

    7.ab4 Bb4 8.c3 Bc5 9.d4 ed4 10.cd4 Bb4 11.Nbd2 (11.Bc3 Bd6-/+) 11...Nf6 12.Qc2? (12.Be2 b6-/+) 12...b5 (better is 12...0-0 and the result of the game is clear: Black will win 13.Bc4 Qe4 14.Qe4 Ne4-+) 13.Bd3-/+ 0-0 14.0-0 Bg4 15.Ne4 Bf3 16.Nf6 gf6 17.gf3 Bd6 (17...Qf3? doesn't work 18.Be4 Qf4 19.Bc6+- (19.Qc6 Rac8 20.Qd5 Bd6+-)) 18.Bh7 Kh8 19.f4?? Rg8!-+ Mate attack (19...Rg8 20.Bg6 Rg6 21.Qg6 fg6-+) 0–1. Serrano,Charlotte (1640) – Delorme,Laurie (2020), FRA–ch U18 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.ab4 Bb4 8.Nc3 Bc3 9.Bc3 Nf6 10.Qe2 0-0 11.d3 Bg4-+ 12.Ra4 Rfe8 13.h3 Bh5 14.g4 Bg6 15.Bg2 e4 16.Nd2 ed3 17.Bd5 Re2 18.Kd1 0–1. trilobite – steviousmattias, ChessWorld.net, 2008.

    7.ab4 Nb4 8.Nc3= Qd8 9.Ne5 Nf6 10.Bb5+/- Bd7 11.Nd7 Nd7 12.0-0 a6 13.Ba4 b5 14.Bb3 Nf6 15.Re1 Be7 16.Qe2 Nc6 17.Bf7! Kf7 18.Qe6 Kg6 19.Qc6 Re8 20.Re3 Qd6 21.Qf3 Kf7? 22.Ne4 Qd7 23.h3 Rec8? 24.Rae1 Re8 25.Bf6 Bf6 26.Nf6 gf6 27.Qh5 Kf8 28.Qh6 Kg8 29.Rg3 (29.Rg3 Qg4 30.Rg4 Kf7 31.Qg7) 1–0. Grochocinska,Urszula – Tarnowska,Aleksandra, Poland chU14g Sekocin Stary Poland, 2010.

    7.c4 bc3 8.Nc3 Qd8 9.Bb5 Bd6 10.Ne4 Nf6 11.Nd6 Qd6 12.Be5 Qd5 13.Qe2 0-0 14.Bf6 Bg4 15.Bc6 bc6 16.Be7 Rfe8 17.0-0 Rad8 18.Rab1 Bf3 19.gf3 h6? 20.Rb7+- Rd6 21.Qe4 Rg6 22.Kh1 Qh5 23.Qf4 Re6 24.Bb4 Re1 25.Re1 Re1 26.Kg2 Qg6 27.Qg4 Qb1 28.Kh3 Re5 29.f4 Qf1 30.Qg2 Qd3 31.Qg3 Qf1 32.Qg2 Rh5?? 33.Kg3+- Qd3 34.f3 Qd8 35.Re7?? Qb8?? 36.Qe2+- Qb6 37.Kg2 c5 38.Bc3 Qg6 39.Kh1 Rf5 40.Qg2 Qg2 41.Kg2 1–0. Kravtsiv,M (2450) – Blomqvist,E (2130), EU–chB16 Herceg Novi MNE (8), 2006.

    7.Bd3 Bg4 8.Qe2 Bf3 9.gf3 Nf6 10.ab4 Bb4 11.Nc3 Qd7 12.Rg1 0-0 13.Ne4 Ne4 14.Qe4 f5 15.Qe3 Qe7 16.f4 Bc5 17.Qh3 Rae8 18.Kf1 Qd7 19.Rg5 g6 20.Re1 Bd4 21.Ba3 Rf6 22.Bb5 ef4 23.Qb3 Kg7 24.Re8 Qe8 25.c3 Bb6 26.d4 Qe4 27.Qd1 Qd5 28.Be2 Re6 29.Bb2 Na5 30.Qd3 Qe4 31.c4 Qd3 32.Bd3-/+ Re8 33.h4 Bd8 34.Rg1 Bh4 35.Kg2 Bf6 36.Ra1 b6 37.Ra2 Rd8 38.Bc3 Bd4 39.Ba5 ba5 40.Re2 Kf6 0–1. Herbold,M (2145) – Lupor,A (2320), 12th OIBM Bad Wiessee GER (8), 2008.

    7.Be2 e4 8.c4 Qd6 9.Ng5 Qg6 10.h4 Nf6 11.Kf1 ba3 12.Na3 Bc5 13.Nc2 0-0 14.Ne3 Be3 15.de3 Rd8 16.Qb1 Re8 17.Bc3 Qf5 18.Qb5 Ne5 19.Qb2 Neg4 20.Bg4 Ng4 21.Ra5 Ne3 22.Kg1+= Qf4 23.Qd2 Ng2 24.Qd4 f6?? 25.Qd5+- Be6 26.Ne6 Re6 27.Qe6 Kh8 28.Qh3 e3 29.Qg2 Qc4 30.Qb7 Rd8 31.Rb5 ef2?? 32.Kg2+- Rg8?? 33.Rb3 1–0. Zelinsky,A (2090) – Pugachov,I (2140), 6th Volodymyr Bilinsky Memorial, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.Be2 e4 8.Ng1 Nf6 9.d3 Qg5 10.g3 Be6 11.Qd2 Qf5 12.ab4 Nb4 13.Nc3 Bc5 14.f4 Be3!! 15.Qd1 0-0-0 16.Ra4 ed3 17.Bd3 Rd3! 18.cd3 Nd3 19.Ke2 Nb2 20.Qa1 Qc2 21.Ke3 Ng4 (21...Ng4 22.Kf3 Qf2 23.Ke4 Qe3) 0–1. trilobite – marekt, ChessWorld.net, 2008.

    7.Be2 Nf6 8.d3 (8.ab4 Bb4 9.c4 Qd6-+) 8...Bc5 (8...Nh5 9.0-0 Nf4 10.Bc1 Ne2 11.Qe2-+) 9.0-0 (9.ab4 Bb4 (9...Nb4 10.c4 Qc6 11.Be5+=) 10.Bc3 Bf8-/+) 9...0-0 (9...ba3 10.Ba3 Qd6 11.h3-/+) 10.Nbd2 (10.ab4 Bb4 11.Nfd2-/+) 10...Bf5 (10...ba3!? 11.Ba3 Ba3 12.Ra3 b5-/+) 11.Nc4 (better is 11.ab4!? is worth looking at 11...Nb4 12.c4+=) 11...ba3 12.Ba3 Ba3 13.Ra3 Qc5 (better is 13...b5 14.Na5 Qc5-/+) 14.Rc3?? the position is going down the drain (better is 14.Qa1 Bg4 15.Ne3+=) 14...b5-+ 15.Ne3 (15.Nfe5 does not help much 15...Nd5 (15...bc4?! is much weaker 16.Nc6 Qc6 17.Bf3+=) 16.Rb3 Nd4-+) 15...Qc3 16.Nf5 Nd5 (16...g6 keeps an even firmer grip 17.Nh6 Kg7 18.Qc1-+) 17.Nd6 (17.Ng5 does not win a prize 17...Nde7 18.Ne7 Ne7-+) 17...Qc5 18.Ne4 Qe7 (18...Qb4 makes it even easier for Black 19.Qc1-+) 19.Re1 (19.d4 does not save the day 19...Rfd8 20.Bb5 Nd4 21.Nd4 ed4-+) 19...a5 20.d4 Nc7 (better is 20...Nd4 secures the win 21.Nd4 ed4 22.Bb5 Nc7-+) 21.d5 Rfd8 22.d6-/+ Qf8 23.Qa1? Rd6-+ 24.Nd6 Qd6 25.Bd3 Re8 26.Qa2? h6 27.Bg6?? Qg6 0–1. Pallagi,Janos (1870) – Albert,Kornelia (2120), HUN–chT2 Maroczy, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.Ne5?? Ne5-+ 8.Qe2 Bd6?? 9.f4= Bg4 10.Qb5 Qb5 11.Bb5 Nc6? 12.Bg7+- 0-0-0 13.Bh8 Re8 14.Kf2 Re4 15.Bc6 bc6 16.Re1 Rf4+/- 17.Kg1 Bc5 18.Kh1 ba3 19.Nc3 Be6 20.Ne4 Be7 21.Be5 Rg4 22.h3 Rg6 23.d3 f5 24.Nd2 Nh6 25.Nc4 Bd5 26.Ne3 Be6 27.Bf4 Nf7 28.c3 Bf6? 29.d4 Be7 30.Nf5!+- Bf8 31.Ne3 a5 32.c4 Bb4 33.Rf1 Ng5 34.d5 Bd7 35.Nc2 c5 36.Na3 Ne4 37.Kh2 Nd2 38.Rf2 Nb3 39.Raa2 h5 40.Nc2 a4 41.Na3 Nd4 42.Be5 Nf5 43.Nb5 Ra6 44.g4 hg4 45.hg4 Rh6 46.Kg1 Rg6 47.Rf4 a3 48.Kf2 Bb5 49.gf5 Bc4 50.Rc4 (50.Rc4 Rg5 51.Rf4+-) 1–0. Van Dijk,Bram (2275) – Russell,Richard, New York op (1), 1993.

    7.Ne5?? Ne5-+ 8.Qe2 f6 9.d4 Bd6 10.de5= fe5 11.ab4 Nf6 12.c3 0-0 13.Nd2 Qf7 14.g3 Bg4 15.f3 Bf5 16.Qf2 e4 17.fe4 Ne4=+ 18.Ne4 Qe6 19.0-0-0? Be4-/+ 20.Qd4? Qh6 21.Rd2 Bh1 22.Bc4 Kh8 23.Qd6 Qd6 24.Rd6 Rad8 25.Rd8 Rd8 26.Bb3 Bd5 27.Bc2 Bc4 28.Be4 b6 0–1. Van Dijk,Bram (2275) – Winslow,Elliott C (2280), New York op (5), 1993.

    7.c4 Qe6

    8.Bd3 ba3 9.Na3+= Ba3 10.Ra3 (10.Ba3 Nge7 (10...f5 11.0-0 Nge7 12.Re1 e4 13.Ng5 Qf6 14.Be4 fe4 15.Ne4 Qf4-/+ –0.94) 11.Qe2 f5 12.0-0 e4 13.Ng5 Qf6 14.Be4 fe4 15.Ne4 Qg6-/+ –1.25) 10...Nge7 (10...Nh6 11.Qe2 f6 12.0-0 0-0 13.Be4 Qd6 14.Rd3 Qc7 15.Ba3 Re8+= –0.31; 10...f6 11.Qc2 Nge7 12.Be4 Nf5 13.0-0 Nd6 14.Bd5 Qf5 15.Qa4 Qd7= –0.25) 11.0-0 (11.Qe2 f6 12.0-0 Qd6 13.Rc1 Be6 14.c5 Qd7 15.Bb5 0-0+= –0.38) 11...f6 12.Re1 0-0 (12...Qd6 13.Be4 Be6 14.Qc2 Rd8 15.c5 Qd7+= –0.28) 13.Bb1 (13.Qc2 Nf5 14.Be4 Kh8 15.c5 Rd8+= –0.28) 13...Qd6 (13...Qc4?? 14.Ba2 Qa2 15.Ra2+-; 13...Rd8 14.d4 Qg4 15.Re4 Qd7= –0.25) 14.Nh4 (14.d4!? ed4 (14...Bg4 15.c5+= Qd7= 0.19) 15.Nd4 Nd4+= –0.44) 14...g6 (14...Nd4 15.Qh5 f5= –0.13) 15.Rg3 (15.Be4 Qb4-/+ –0.75) 15...Kf7 (15...Be6 16.Ba3 Qd4 17.Ng6 hg6 18.Qh5=; 15...Qb4-/+ –1.06) 16.Ree3 (better is 16.Ba3!? Qe6 17.Qb3=) 16...Be6+= 17.Ba3 Nb4 18.Be4 a5 19.Bb7 Rad8 20.h3? (20.d3!?+=) 20...Bc4 21.Rc3 Be6 22.d3?? (22.Qa4 Qb6 23.Be4-+) 22…Qd4 (22...Qd4 23.Rc7 Qh4-+) 0–1. Freiberger,J (2215) – Wehmeier,S (2440), Schachtuerken–Cup A, Paderborn GER, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Bc5 9.0-0 ba3 10.Na3 Ba3 11.Ra3= Nge7 12.Re1 f6 13.Bb1 Qf7 14.d4= ed4 15.Nd4 0-0 16.Nb5 Ng6? 17.Nd6+- Qc7? 18.Qd5 Kh8 19.Bg6 Ne7 20.Nf7 Kg8 21.Bh7! Kh7 22.Qh5 Kg8 23.Nh6! gh6 24.Rg3 Kh7 25.Re7! (25.Re7 Qe7 26.Qg6 Kh8 27.Qh6 Qh7 28.Qf8 Qg8 29.Qg8) 1–0. Grabinsky,V (2360) – Sharevich,A (2265), 300 Years St Petersburg RUS (6), 2003.

    8.Bd3 Bc5 9.0-0 f6 10.Re1 Nge7 11.Qc2 Qf7 12.Be4 Bg4 13.ab4 Nb4 14.Qa4 Bd7 15.Qd1 Bc6 16.Bc6 Nbc6 (16...Nec6?! 17.d4 Rd8 18.Qb3=) 17.Qb3 0-0 18.Nc3 b6 19.Nd5? (better is 19.Ne4!?-/+) 19...Nd5-+ 20.cd5 Ne7 (20...Rfd8!? 21.Bc3-+) 21.d4 ed4 22.Bd4 Bd4 23.Nd4 Nd5 24.Rab1 Nc7 25.Qg3 f5 26.Rbc1 f4 27.Qg5 h6 28.Qg4 Rad8 29.Nc6 Rde8 30.Red1 Ne6 31.Rd5? (31.Ra1 a5-+) 31...Nc5 (31...f3 32.gf3 h5 33.Qc4-+) 32.Rh5 Qe6 33.Qe6 Re6 34.Na7 Rfe8 35.h3 Nd3 36.Rc2 Re1 37.Kh2 Rf1 38.f3 Ree1 (38...Ree1 39.Rc8 Kh7 40.Rh6 Kh6 41.Rc6 Kh7 42.Rh6 Kh6 43.Nc6 Rh1) 0–1. Al_khulaifi,Ghada (1645) – Wafa,Shrook (1870), Arab Games Classical Women, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Bd6 9.0-0 Nf6 10.Re1 0-0 11.ab4 Nb4 12.Ne5 Nd3-/+ 13.Nd3 Qc4 14.Ne5 (14.Bf6 gf6 15.Qf3 Bg4-/+) 14...Qh4 (14...Qf4 15.f3-/+) 15.Ra4 Qh5 16.Qh5 Nh5 17.Rd4 Be5 (17...Bc5 18.Rd5 Be7 19.Nf7 Rf7 20.Rh5+=) 18.Re5= Opposite coloured bishops appeared 18...Nf6 19.Ba3 Be6 (19...Nd7 20.Re3 Rd8 21.Nc3=) 20.Bf8+= Kf8 21.f4 g6 22.Nc3 b6 23.Nb5 Rc8 24.h3 Consolidates g4 24...a5 25.Rd6 White threatens to win material: Rd6xb6 25...Rc2? (better is 25...Rc4!?= has some apparent merit) 26.Nd4+/- Rc1 27.Kh2 Nd5? (better is 27...Ke7 28.Rb6 Nd5+/-) 28.Ne6+- (28.Rdd5?! Bd5 29.Rd5 Ke7+/-; 28.Red5?! Bd5 29.Rd5 a4+/-; 28.Rde6?! fe6 29.Ne6 Ke7 30.Nc7 Kd6 31.Nd5 b5+/-) 28...fe6 29.Ree6 Rc5? 30.d4 Rb5 31.Re5 Nc3 32.Rc6 (32.Rc6 Re5 33.de5+- (33.Rc3 is clearly weaker 33...Rd5+=)) 1–0. Gallegos,Paul (2090) – Gaffagan,Steven, Jim Hurt Rating, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Bd6 9.0-0 Nf6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Bd4 Nc5=+ 16.Nc3 b6 17.Nb5= Bb8 18.Ne5 Be5 19.Re5 a6 20.Nc3 Nb3 21.Qb3 Qd4 22.Re4 Qd6 23.Rd1 Qc5 24.Na4 Qa5 25.Rf4 Be6 26.Rb1 Nc6 27.Nb6 Rad8 28.Qe3 Bf5 29.Re1 Bg6 30.Nd5 f6 31.Rd1 Rfe8=+ 32.Qg3 Qc5 33.h3 Ne5 34.h4 Kh8 35.Be2 Bf7 36.Re4 Bd5 37.Red4 ½–½. Spencer,Edwin A – Calder,Hugh (2090), SCCA Web League Div, 2009.

    8.Bd3 e4 9.0-0 f5 10.Re1 Nge7 11.Bc2 Qh6 12.d4 ef3-/+ 13.d5 Na5 14.d6 Qg6 15.g3=+ Nc4 16.Ba4+= Kf7 17.d7 Bd7 18.Qd7 Qd6 19.Qd6 Nd6 20.Bb3 Ke8 21.Nd2 Kd7 22.Nf3 Nc6 23.ab4+/- Nb4 24.Ne5+- Kc7 25.Rec1 Nc6 26.Bd5+- a5 27.Nc6 bc6 28.Bc6 Rb8 29.Be5 Rb6 30.Bd5 Kd7 31.Ra5 Nb5 32.Rb1 Bd6 33.Bd6 Kd6 34.Rbb5 Rb5 35.Rb5 Re8 36.Bc4 g6 37.Rd5 Kc7 38.Kg2 Re4 39.Bd3 Rb4 40.Bf5! gf5 41.Rf5 Kd6 42.Rf7 h5 43.Rf5 h4 44.Rf4 Rb2 45.Rh4 Ke5 46.Rf4 Rb7 47.h4 Rg7 48.Kh3 Rh7 49.Kg4 Rg7 50.Kh5 Rg8 51.Kh6 Rd8 52.h5 Rd6 53.Kg7 Rd8 54.h6 Ke6 55.h7 Rd7 56.Kg8 Rd8 57.Rf8 Rf8 58.Kf8 (58.Kf8 Kd5 59.h8Q Kc4 60.f4 Kb3 61.Qe5 Ka2 62.Qd6 Kb3 63.Qd1 Kb4 64.Qd4 Kb5 65.Qd7 Kc4 66.Qc6 Kd3 67.Qc5 Ke2 68.f5 Kf3 69.Ke7 Kg4 70.f6 Kf3 71.f7 Kg2 72.f8Q Kg3 73.Qg5 Kh3 74.Qfh6) 1–0. Hrabinska,M (2290) – Greef,M (1930), V Breizh Masters Women, Guingamp FRA, 2007.

    8.Bd3 Nf6 9.0-0 Qd6 10.Qc2 (10.Qe2!? Bg4 11.Re1+=) 10...Bg4-/+ 11.Ng5 Rd8 12.Be4 h6 13.Nf3 Ne4 14.Qe4 Bf3 15.Qf3 Qd3 16.Re1 Qf3 17.gf3 f6 18.f4 ba3 19.Bc3 Bc5 20.fe5 fe5 (worse is 20...Ne5 21.Be5 fe5 22.Re5 Be7 23.Ra3=) 21.Be5 0-0 (21...Ne5?! 22.Re5 Be7 23.Ra3=) 22.Bg3 Nd4 (22...Nd4 23.Rd1 Ne2 24.Kg2 Rd3-+) 0–1. Hrabinska,M (2275) – Huschenbeth,N (2465), 13th Dubai Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Qb3 Qg4 16.Nc3 Nf2 17.Nb5 Nh3 ½–½. Lo Conte,Vittorio (1975) – Sherwood,Russell (1960), IECG, 2008.

    8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Nd4 Re8 16.Nc3 Nc3 17.Re8 Qe8 18.Bc3 Bf8 19.Nb5 Qd7 20.Qd7 Bd7 21.Ra7 Ra7 22.Na7 Bc5 23.Nb5 ½–½. Gerasimov,Vladimir Nikolaevic (2475) – Felkel,Siegfried (2375), GER/Ma01 (GER), 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.Bf6 ef3-+ 15.Bc3 fg2 16.Bg2 Nd3! 17.Re3 Nf4 18.Rg3 f6 19.Nd2 Ng2 20.Rg2 Be5 21.Be5 fe5 22.Qe2 b6 23.Qe5 Bb7 24.Rg3 Rae8 25.Qc3 Re7 26.Nf3?? Rf3-+ 27.Rf3 Qc6 28.Ra3 Qg6 29.Kf1 Rc7?? 30.Qa1?? Bf3-+ 31.Rf3 Rc4 32.Qa3 h6 33.Rg3 Qb1 34.Kg2 Qe4 35.Kh3 Rc5 36.Qb3 Kh7 37.Rg4 Rh5 38.Kg3 Qe5 39.f4 Qe1 40.Kf3 Qf1 41.Ke3 Rh2 42.Rg7 Kg7 43.Qc3 Kg6 44.Qc6 Kh5 45.Qe8 Kh4 46.Qe7 Kh3 47.Qe6 Kg2 48.Qd5 Kg1 49.Qg8 Rg2 (49...Rg2 50.Qg2 Kg2-+) 0–1. Yakivchik,M (2305) – Kurenkov,N (2455), inAUTOmarket Open (2), 2005.

    6.ab4 Bb4

    7.Ra3 Nc6 8.Nc3 Qd8 9.Bb5 Nf6 (9...Ba3!? 10.Ba3 Qc7 11.Nd5-/+) 10.Rb3 Bd6 11.d4 ed4 12.Qd4 0-0 13.Bc6 bc6 14.0-0 Qc7 15.Bg5 (15.Rd1!? Be7 16.Bf4+=) 15...Ng4-+ 16.h3 Ne5 17.Ne4 Nf3 18.Rf3 Be5 19.Qc5 Be6 20.Re1 Bd5 21.c4 Be4 22.Re4 f6 23.Bf4 Bf4 24.Ref4 Rac8 25.g3 Rfe8 26.Qa3 Rcd8 27.Rg4 f5 28.Rgf4 (better is 28.Rf5!? Qd7 29.Qc5=) 28...Rd1 29.Kg2 Qd7?? (29...Ree1 30.Rd3 Rg1 31.Kh2 Rh1 32.Kg2 Rdg1 33.Kf3+=) 30.g4?? (better is 30.Rf5 h6 31.Rf7+/-) 30...g6-/+ 31.Qb3 Ree1 32.c5 Rd5 (better is 32...Kf8!? 33.Rf5 gf5 34.Rf5 Kg7 35.Rg5 Kf6 36.Rf5 Kg7 37.Rg5 Kh6 38.Rh5 Kg7 39.Rg5=) 33.gf5= g5 34.Rg4 h6 35.h4 1–0. Cherednichenko,Viktor (1920) – Kaverin,Boris (2110), Voronezh Region–ch Seniors, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Ra3 Nf6 8.Nc3 Qc5 9.Nb5 Ng4 10.Qe2 a6 11.h3 Ba3 12.Na3 Nf6 13.Qc4 Nbd7 14.Qc5 Nc5 15.Ne5 0-0 16.d4 Ne6 17.Bb2 Rd8 18.c3 b5 19.Nc2 Bb7 20.Ne3 Ne4 21.Be2 Rac8 22.c4 Nf4 23.cb5 ab5 24.Bb5-/+ Ng2 25.Ng2 Rc2 26.Ba3 Rc3 27.Bc4 Ra3 28.Bf7 Kf8 29.0-0 Rd4 30.Rb1 Ng5 31.Ne3 Be4 32.Rb8 Ke7 33.Bc4? Kd6 34.Nf7 Kc7 35.Ng5 Kb8 36.Bf1 Ra2 37.Ne4 Re4 38.Ng2 Rd4 39.Bb5 Rdd2 40.Bc4 Rab2 41.Kh2 Rf2 42.Bd5 Kc7 43.Be4 Rg2! 44.Bg2 Rg2! 45.Kg2 Kd6 46.Kf3 Ke5 47.Ke3 h6 48.Kf3 h5 49.Ke3 g5 50.Kf3 Kd4 51.Ke2 Ke4 52.Kf2 Kf4 53.Kg2 Ke3 0–1. Trubetskoi,Roland (2340) – Leupold,Volker (2315), WS/MN/021 ICCF, 2007.

    7.Ra3 Nf6 8.Rd3 Qa5 (8...Qe6!? 9.Re3 Nc6-/+) 9.Ne5+= 0-0 10.Nc4 Qc7 11.Ne3 Nc6 12.Bb2 Ne5 13.Rb3 a5 14.Na3 Be6 15.Nb5 Qb8 16.Qa1? (16.c3 Bb3 17.Qb3 Be7-/+) 16...Bb3 (better is 16...Neg4!? 17.Bf6 Qf4-+ (17...gf6?! 18.Be2 f5 19.Ng4 fg4 20.Re3=; 17...Nf6?! 18.Rd3+=)) 17.Be5-/+ Qd8 18.Bd3?? (better is 18.Bd4 Ne4 19.c3-/+) 18...Bc2-+ 19.Bc2 Qd2 20.Kf1 Rac8 21.Nd4 (21.Nc7 Rc7 22.Bc7-+) 21...Ne4! 22.Bg3 (22.Be4 Rc1) 22...Bc3 23.Nb3 Ba1 24.Nd2 Nd2 25.Ke2 Bc3 26.Nd5 (26.Bf5 Rc6 27.Bd7-+) 26...Rfe8 27.Kd1 Ne4 28.Bh4 Rc4 (28...Rc4 29.Be4 Rce4 30.Nc3 Rh4-+) 0–1. Perez Reclusa,JM (2090) – Saenz Martinez,JJ (2305), Euskadi–chTA, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Ba3 Ba5 8.c4 Qe6 9.Be2 Nc6 10.0-0 Nge7 11.Bb2 Bb6 12.Nc3 0-0 13.Ne4 f5 14.Neg5 Qg6 15.c5 Bc5 16.Bc4 Kh8 17.Qb3 Nd8 18.h4 Qb6 19.Qb6 Bb6 20.Ba3 Ndc6=+ 21.Nf7 Rf7 22.Bf7 e4 23.Ng5 h6 24.Nh3 Ne5 25.Be7 Nf7 26.Rfb1 Rb8 27.Nf4 Bd7 28.Nd5 Bd4 29.Ra3 Be6 30.Nf4= Bd7 31.Rb4 Bb6 32.Nd5 Bc6 33.Nb6 ab6 34.Rb6 Re8 35.Bc5 Ne5 36.Rb1 Nc4 37.Rc3 Ne5 38.Re1 Rd8=+ 39.Be3 Nd3 40.Rb1 f4 41.Bb6 Rd7 42.Rc4 Ne5 43.Rd4 Rf7 44.Rd8 Kh7 45.Bd4 Ng6 46.g3 fg3 47.fg3 Rf3 48.Kh2 h5 49.Ra1 Ne7 50.Bc5 Nf5 51.Ra3 e3 52.Be3 Rf1 53.Bg1 Re1 54.Re3? Ne3 55.de3 Re2 (55...Re2 56.Kh3 Bg2 57.Kh2 Bf3 58.Bf2 Rf2 59.Kg1 Rg2 60.Kf1 Rg3-+) 0–1. Ribas,Hector – Cruz,Walter Oswaldo, BRA–ch Rio de Janeiro, 1949.

    7.Ba3 Nc6 8.Bb4 Nb4 9.Nc3 Qc5 10.Bb5 Nc6 11.Qe2 f6 (11...Kf8 12.Qd3 Be6 13.Bc6 Qc6 14.Qe3=) 12.Ne4 (12.Na4!? Qb4 13.Nb6=) 12...Qe7 13.Qc4 Bd7 14.Nc5 Rb8 (14...Nh6 15.Nb7 (15.Nd7?! Kd7 16.Bc6 bc6=) 15...Nd4 16.Nd4 ed4 17.Kd1 Bb5 18.Qb5 Kf8 19.Re1+-) 15.Ra7 Na7 16.Bd7 Kd8?? (better is 16...Kf8=) 17.Qd5+- Kc7 (17...Qc5 18.Qc5 Kd7 19.Qd5 Ke8 20.Ne5 Ne7 21.Qf7 Kd8 22.Qg7 Re8 23.Qf6 Kc7+-) 18.Ne6 Kb6 (18...Qe6 19.Be6 Nc6 20.Qd7 Kb6 21.Qg7 Nge7+-) 19.Qb3 (19.Qb3 Ka5 20.Ke2 b5 21.Ra1 Kb6 22.Qe3 Qc5 23.Qc5 Kb7 24.Ra7) 1–0. Bass – Webergle, 1961. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Ba3 Nc6 8.Bb4 Nb4 9.Nc3 Qd6 10.Ra5 Nc6 11.Rd5 Qb8 12.Ne5 (12.Bb5 f6=+) 12...Ne5 13.Qe2 f6 14.f4 Ne7 15.fe5 Nd5 16.ef6 Kf7 17.fg7 Kg7 18.Nd5 Qd6 19.Qc4 Re8-/+ 20.Be2 Re5 21.Ne3 Be6 22.Qh4 Qd8 23.Qb4 Kg8 24.0-0 Rc8 25.Bd3 Rg5 26.Qe4 Qd7= 27.Qf4 Qe7 28.Qh4 Rg7 29.Qe4 Rf8 30.Rf8 Kf8 31.Qf4 Rf7 32.Qb8 Kg7 33.Qa7 Qf6 34.Kh1 Qb2 35.h3 Qe5 36.Qa4 Bd7 37.Qh4+= Qa1 38.Kh2 Qe5 39.Kg1 h6 40.Kh1 Qa1 41.Kh2 Qe5 42.Kg1 Qa1 43.Kh2 Qe5 44.Qg3 Kf6 45.Kg1 ½–½. Schiendorfer,E (2240) – Rosenthal,Jon (2200), 8th YM, Winterthur SUI, 2008.

    7.Ba3 Nc6 8.Bb4 Qe4 9.Be2 Qb4 10.Nc3 Nf6 11.0-0 0-0 12.Re1 e4 (12...Rd8 13.Bb5 Nd4 14.Nd4 Qd4-/+ (14...Rd4?! 15.Re5 Qd6 16.Re2+=)) 13.Ra4= Qb2 14.Ne4 Ne4 15.Re4 Bf5 16.Rc4 a5 17.c3 (17.Rc5 Qf6=) 17...Rfe8 (17...Bc2!? 18.Qc1 Qc1 19.Rc1 Rfe8 20.Rc2 Re2=) 18.d4= Be6 19.Rc5 a4 20.d5 Red8 21.Bd3 Rd5 (21...Bd5 22.Rd5 Rd5 23.Bh7 Kh7 24.Qd5+=) 22.Rd5 Bd5 23.Bh7 Kh7 24.Qd5 Kg8?? (better is 24...f6+=) 25.Ng5+- Qb3 26.Qe4 g6 27.Qh4 Ne7 (27...Kg7 28.Qh7 Kf6 29.Ne4 Ke6 30.Nc5 Kd6 31.Nb3 ab3 32.Qf7 Kc5 33.Qb3 Rd8+-) 28.Qh7 Kf8 29.Qh8 Ng8 30.Nh7# 1–0. Vogiatzis,Dimitrios (1965) – Kroneder,Hans Christian (2065), Mittelfranken–chT, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Na3 Ne7 8.Bb2 Nbc6-/+ 9.Bc4 Qe4 10.Be2 0-0 11.0-0 Bg4 12.c3 Bd6 13.Nb5 Bb8 14.Ra4 Qf5 15.h3 Bf3 16.Bf3 e4 17.Be2 Ng6 18.d4 Nf4 19.d5 Nd5 20.c4 Nf4 21.Bg4 Qg6 22.Bc1 Rd8 23.Qc2 f5 24.Bf4 0–1. Korsakov,Boris – Rotstein,Jefim, UKR–ch Kiev, 1959.

    7.Na3 Bg4 8.Nb5 Kd8 9.Ba3 (9.Be2 Bf3 10.gf3 Nc6-/+) 9...Nc6 (9...e4 10.Nc3 Bc3 (worse is 10...Bf3 11.Bb4 Bd1 12.Nd5 Bc2 13.Nb6+/-) 11.dc3 Qd1 12.Rd1 Kc7 13.Bd6 Kc8-/+) 10.Bb4-/+ Nb4 11.Nc3 Qc5 12.Be2 Bf5 13.0-0 Bc2 14.Qc1 Nf6 15.Na2 Rc8 16.Nb4 Qb4 17.Ra7 Re8 18.Qa1 e4 19.Nd4 Bd3 (19...Qd2 20.Rb7 e3 21.Qa6+-) 20.Bd3 ed3 21.Rb1 Qd2 22.Nb5 (22.Ra8!? Nd5 23.Rc8 Kc8 24.Qa8 Kd7 25.Qb7 Nc7 26.Qc6 Kc8 27.Kf1=) 22...Ne4 23.Ra2 (23.Rb7 Qf2 24.Kh1 Re7 25.Re7 Ke7 26.Qe5 Kf8 27.Qe4 d2-/+) 23...Qf4 24.Rd1 Nc5 25.Qg7 Qe5 26.Qe5 Re5 27.Nd6 Rc7 28.f4 Rd5 29.Ra8 Ke7 30.Nc8 Kf6 31.Kf2 Rc6 32.g4 d2 33.g5 Ke6 (33...Ke6 34.Kf3 Nb3-+) 0–1. Osthus,Reinhard – Fritsche,Frank (1975), desc–online.de, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Na3 Bg4 8.Nb5 Qd8 9.c3+= Bc5 10.Be2 Nc6 11.Ne5= Bf5 12.d4+/- Ne5 13.Bf4 Ng6+= 14.Bc7 Qg5 15.dc5 N8e7 16.h4 Qf6 17.Qd6 Qd6 18.Bd6 Nc6 19.0-0 Kd8+/- 20.Rfd1 Bd7 21.h5 Nf8 22.Bg3 Ke7 23.Nc7 Rd8 24.Bd6 Kf6 25.Nd5 Ke6 26.Re1 Kd5 27.Bf3?? Kc4-/+ 28.Ra4 (28.Ra4 Nb4 29.Rb4 Kc3 30.Rbb1 Re8 31.Rec1 Kd2 32.Bf4 Kd3 33.Rb2 Re1 34.Re1 Ne6 35.Rd1 Kc3 36.Be5 Nd4 37.Bd4 Kc4 38.Be5 Ba4 39.Rc1 Bc2 40.Rcc2 Kd3 41.Rc3) 1–0. Ganz,Harry (2250) – Allerberger,Peter (2455), remoteschach.de, 2005.

    7.c3 e4 8.Qa4 Bd7 9.Qb4 ef3 10.Ba3 Qe6 11.Kd1 Ne7 12.Qb7 0-0 13.Qa8+/- Qb3 14.Kc1 Bf5 15.d3 Nbc6 16.Qf8 Kf8 17.gf3 Qd5 18.Be2 Bd3 19.Bd3 Qd3 20.Re1 Qf3 21.Bc5 a5-/+ 22.Ra2 f6 23.Rae2=+ Ne5 24.Re5 fe5 25.Re5 Qf4 26.Re3 Qf2 27.Be7 Kg8 28.Re4 Qh2 29.Nd2 Qg3 30.Kc2 Qg6 31.Kd1 Qc6 32.Kc2 h5 33.Rd4 a4 34.Ba3 Qe8 35.Bd6 Qb5 36.c4 Qa6 37.Nb1 Qb7 38.Nd2=+ Qa8 39.Kb2 Qe8 40.Rd3 ½–½. Vetter,Joachim (2530) – Tacke_Ungruh,Reinhard (2495), remoteschach.de, 2010.

    7.c3 e4 8.cb4 ef3 9.Qf3 Qf3 10.gf3 Ne7 11.b5 0-0 12.Nc3 Nd7 13.d4= Nb6 14.Ba3 Re8 15.Bc5 ½–½. Kuna,Heiko (2420) – Feist Verhoeven,Aaron (2430), RSS7E pro–119, 2010.

    7.c3 Qe4 8.Be2 Bc5 (8...Bd6 9.0-0 Qg6 10.d4+=) 9.0-0= Nf6 10.Re1 Bd7? (better is 10...0-0 11.Bf1 Qg4+=) 11.d4+- ed4?? (better is 11...Be7+-) 12.Bd3 (12.Nd4?! 0-0 13.Bf3 Qh4+/-; 12.cd4 Be7 13.Bc4 Qc6+-) 12...Qe7 13.Re7 Be7 14.Qb3 Bc6 (14...b6 15.Bc4 0-0 16.Ne5 (worse is 16.Nd4 Nc6+-) 16...dc3 17.Bf7 Kh8 18.Nc3+-) 15.Bb5 (better is 15.Nd4 0-0 16.Nc6 Nc6 17.Qb7 Rad8+-) 15...d3 (15...0-0 16.Nd4 Bc5+-) 16.Bc6 Nc6 17.Qb7 0-0 18.Qc6 Rfc8 19.Qb7 Re8 20.Ne5 1–0. Hirtreiter,Michael – Dorpinghaus,G, ICCF–Cup corr, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Nc3 Bc3+= 8.dc3 Qd1 9.Kd1 f6 (9...Nc6 10.Be3+=) 10.Bc4 Nc6 11.Ba3 Nge7 12.Rb1 (12.Re1!?+=) 12...Bg4-/+ 13.Kc1 (13.Rb7?? 0-0-0 14.Bd3 Kb7-+) 13...0-0-0 14.h3 Bf5 15.Re1 (15.Kb2 Nd5-/+) 15...Ng6 16.Nd2 (16.g4 Bd7-/+) 16...Nf4 17.g4 Be6 18.Be6 Ne6 19.Nc4 Rd7 20.Nd6 Kb8 21.c4 Ka8 (21...h5 22.Kb2-+) 22.c3 (22.Kb2 Nf4-+) 22...Nf4 23.Re3 Rhd8 24.c5 Ne7 (24...b6 25.cb6 Rd6 26.Bd6 Rd6 27.ba7-+) 25.c4 Nc6 26.Reb3 Rb8 27.Bb4?? (27.Kb2 h5-+) 27...Nd4 (better is 27...Nb4 28.Rb4 Nd3 29.Kc2 Nb4 30.Rb4 b6-+) 28.Ra3-/+ a6 29.Rba1 Ka7 30.Ba5 Rf8 (30...Rh8 31.Kb2-+) 31.Bb4 (31.Kb2 Nfe6 32.Bb6 Kb8-/+) 31...Nc6 32.Bd2 Ne2 (32...Ne6 33.Be3-/+) 33.Kd1 ½–½. Coro,Lucas – Roitman,Gabriel, Buenos Aires ARG, Luis Bronstein Mem, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.c4 Qc5 8.Bb2 Nc6 9.Qe2 Bg4 10.h3 Bf3 11.Qf3 Rd8 12.Be2 Nge7 13.Ra2 Ng6 14.Bc3 Nf4 15.0-0 0-0 16.Re1 Bc3 17.Nc3 Nb4 (17...Ne2?! 18.Qe2 f5 19.Rb1-/+) 18.Ne4 Qc6 (18...Ne2?! 19.Qe2 Qd4 20.Ra4-/+) 19.Ra7 Nc2 (19...Nc2 20.Kf1 Ra8 21.Ra8 Ra8-+; 19...Ne2 20.Re2 Nd3 21.Nc3+=) 0–1. Knorr,Bernd – Siats,Norbert, TT/4303 corr BdF, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Ra3 Ba3

    8.Ba3 Qa5 9.Bc4 Nc6 10.0-0 f6 11.d4 Bg4 12.h3 Bh5 13.de5 fe5 (13...Ne5 14.Ne5 Qe5 15.g4=) 14.Qd6 Nge7 15.Qe6 Rf8 16.Be7 Ne7 17.Ne5 Rd8 18.Nc3 a6 (18...Rd4!? 19.Re1 Qc3-/+) 19.Ne4 Qc7 20.Re1 Rd4 21.Bb3 Rf4 22.Nc4 Bg6 23.Ncd6 Kf8 24.g3 Rf3 25.c3 Rd6! 26.Nd6 (26.Nd6 Qc5 Double attack (26...Qc5 Decoy); 26.Qd6 Qd6 Combination) 26...Rf6 (26...Rc3?! 27.Re4 Rf3 28.Rc4=) 27.Qc4? (27.Qe7 Qe7 28.Re7 Ke7 29.Nb7-+) 27...Qd6-+ 28.Rd1 (28.Qe2-+) 28...Qb6 29.Rd2 Bf7 30.Qb4 Bb3 31.Rd8 Qd8 (31...Qd8 32.Qd4 Qd4 33.cd4 Nf5-+) 0–1. Bronstein,David I (2465) – Comp Deep Thought II, Palo Alto rapid, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    8.Ba3 a6 9.Nc3 Qa5 10.Qa1 Ne7 11.Bc4 b5 12.Bb3? b4 13.Nd5 Nd5 14.Qe5 Be6 15.Qg7 Rf8 16.Bb2 Nc6 17.0-0 Qb5 18.Qh7 Nf4 19.Re1 0-0-0 0–1. Vorobiev,Alexander (2100) – Bernal Varela,Nelson (2025), IECG, 2005.

    8.Ba3 a6 9.Nc3 Qa5 10.Bd6 Nc6 11.Bc4 Be6 12.Qe2? Qa1 13.Nd1 Nd4 14.Be5 Bc4?? 15.Qe4? f5 16.Qd4=+ Qd4 17.Nd4 Ne7 18.Ne3 Bf7 19.Bg7 Rg8-/+ 20.Be5 Ng6 21.f4 Ne5 22.fe5 f4 23.Nef5 Rg2 24.Rf1 Kd7 25.Nd6 Bd5 26.c4? Bg8 27.Rf4-/+ a5 28.Rf3 a4 29.Kd1? a3-+ 30.Rb3 Ra7 31.Nb7 a2 32.Nc5 Kc8 33.Nc2 a1Q 34.Na1 Ra1 35.Kc2 Ra2 36.Kc3 Rgd2 37.Rb1 0–1. Cuberli,Emiliano – Urchipia,C (2170), 1st Chesspangenberg Open, Buenos Aires, 2003.

    8.Ba3 Bd7 9.Nc3 Qa5 10.Qc1 Bc6 11.Ng5 Nh6 12.Bd3 Bg2 13.Rg1 Bc6 14.Nge4 g6 15.Qb2 Kd8 16.Bb4 Qc7 17.Bd6 Qb6 18.Qa3 (18.Qb6 ab6 19.Be5-+) 18...Be4 19.Be7 Kc8 20.Be4 f5 21.Bd5 Ng4 22.Ne4 Na6 (22...fe4?! 23.Rg4 Qb1 24.Ke2 Qb5 25.c4-+) 23.Rg3 fe4 (23...Nh2 24.Nd6 Kd7 25.Rb3+=) 24.Rg4 Nc7 25.Ba2 Qd4 26.Bc5 Qa1 27.Ke2 Qh1 28.Rg3?! (28.Qh3 Kb8 29.Bd6 Qf3 30.Qf3 ef3 31.Ke3-+) 28...Qh2 29.Bd6 Qh5 30.Kf1 e3! 31.Qe3 Qh1 32.Ke2 Qc6 33.Qa3 Nb5 34.Be6 Kd8 35.Be7 Ke8 (35...Ke8 36.Qc5 Nd4 37.Kf1 Qe6-+) 0–1. Bronstein,David I (2465) – Comp Deep Thought II, Palo Alto rapid, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    8.Ba3 e4 9.Nc3 (9.c4 Qa5 10.Nd4 a6-+) 9...Qa5 10.Nb5 Nc6 (10...ef3 11.Qf3 Ne7 12.Nd6 Kd7 13.Bb5 Nbc6 14.Qd3+=) 11.Nd6 Kd7 12.Nc4 Qd5 13.Ne3 Qh5 14.g4 (14.Bf8 Nh6 15.Bg7-/+) 14...Qh6 15.Ng1 Kc7 16.Bg2 Be6 (16...Qg6 17.h4-+) 17.Ne2 (17.Be4 Nf6 18.Bf3-+) 17...Nf6 18.Nc3 Qg6 19.Nb5 Kd7 20.f3 (20.Nd6 Rhb8-+ (20...Ng4?! 21.Be4 f5 22.Ndf5-/+)) 20...Qg5 21.Nd6 Qh4 22.Kf1 ef3 23.Qf3 Ng4 (23...Bg4?! 24.Ng4 Ng4 25.Qf5 Kc7 26.Nb5 Kd8 27.Qd5 Kc8 28.Qf5 Kd8 29.Qd3 Kc8 30.Qf5 Kd8=) 24.Nb7 Ne3 25.Qe3 Rae8?? (better 25...Qf6 26.Kg1 Qg6-+) 26.Bc6 Kc6 27.Qc5 Kb7 28.Qb5 Kc7 29.Qa5 Kb7 30.Qb5 Kc7 31.Qc5 Kd8 32.Qd6 Bd7 33.Qb8 Bc8 34.Qd6 Bd7 35.Qb8 Bc8 36.Qd6 ½–½. Kolev,Hristian – Stoyanov,Iliyan, Chess for Young Hopes ChessBomb Plovdiv, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ra3 Ba3)

    8.Na3 Bg4 9.Nb5 Na6 10.Ba3 0-0-0 11.c4 Qe4 12.Be2 Bf3 13.gf3 Qg6 14.Na7 Kb8 15.Nb5 Nh6 16.c5 Nc7 17.Nd6 Qg2 (better is 17...Nf5!? 18.Nf5 Qf5-+) 18.Rf1+= Ne8 (better is 18...Qh2 19.Nb7 Kb7 20.Qb3 Kc6 21.Qa4 Kb7 22.Qb3 Kc6 23.Qa4 Kb7 24.Qb3=) 19.Nb7+/- Rd7 (19...Kb7 20.Qb3 Kc6 21.Qb5 Kc7 22.Qb6 Kd7 23.c6 Ke6 24.c7 Nd6 25.cd8R Rd8 26.Qd8+-) 20.c6 Rb7 21.cb7 Qg6 22.Qb3 Qc6 23.Bc4 Qb7 24.Qd3 e4? (better is 24...Nc7+/-) 25.fe4+- (25.Qe4?! Nf6 26.Qd3 Re8 27.Kd1 Qa7+-) 25...f5 26.f3 Nc7 27.Ke2 Qc6 28.Rb1 Kc8 29.e5 Rd8 30.Bd6 g6 31.Qd4 f4 32.Rc1 Nf5 33.Be6! Kb7 34.Qb2 Qb5 35.Qb5 Nb5 36.Bf5 Nd4 37.Kf2 Nf5 38.Bb4 Rd5 39.Re1 Kc7 40.e6 Kd8 41.h4! Nd6 42.e7 Ke8 43.Re6 Nf5 44.h5 gh5 45.Kg2 Rd4 46.Bc3 Rd3 47.Re5 Nh4 f3 becomes a target 48.Kf2 Rf3 49.Ke2 Rh3 50.Bd4 Nf3 51.Re4 Nd4 52.Rd4 f3 53.Kf2 Ke7 54.Rf4 Rh2 55.Kf3 Rd2 56.Kg3 Rd5 57.Ra4 Kf6 58.Ra8 Kg5 59.Rg8 Kh6 60.Kg2 Rg5 ½–½. Bronstein,David I (2465) – Comp Deep Thought II, Palo Alto rapid, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    7.Ba3 Ba3

    8.Na3 Nf6 9.Nb5 0-0?? 10.Nc7+- (10.Ra7 Ra7 11.Na7 Bg4-/+; 10.Na7 Bg4 11.Nb5 Ra1 12.Qa1 Qe4 13.Be2 Bf3-+) 10...Qc5 11.Na8 e4 12.Ng1 Re8? (12...Be6 13.Qb1 Nbd7 14.Qb7+/-) 13.Be2 Nd5? (better is 13...Be6!?+/-) 14.Rb1 Nf4 15.g3 (15.Bf1 Nc6 16.Nc7 Re7+/-) 15...Nd3? (better is 15...Ne2 16.Qe2 Qc2+/-) 16.cd3 ed3 17.h3 Bf5? (17...de2 18.Qc1 Qd5=) 18.Qc1 Qd5 19.Rh2 Qe4 20.Qc5 de2= 21.Rc1 Na6 22.Qe3 Qa4-/+ 23.Qf3 Be4 (23...Be4 24.Qc3 Nb4-/+ (24...Ra8?! 25.Qc4 Qc4 26.Rc4=)) 0–1. Echepetelecu – Albornoz de Laurencena, CADAP tem '74 APA.VII0, 1975. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    8.Na3 Nf6 9.Nb5 Qc5 10.d4 ed4 11.Qd4 Qd4 12.Nfd4 Na6 13.Nd6 Kd7 =.

    8.Na3 Nf6 9.Nb5 Qc5 10.d4 ed4 11.Qe2 (better is 11.Qd4!? Qd4 12.Nfd4=) 11...Be6 12.Nfd4 0-0 13.Ne6 fe6 14.Qe6 Kh8 15.0-0-0 Re8 16.Qb3 Qf2 (better is 16...Ne4 17.Qe3 Qc6-/+) 17.Nd6= Qe3 18.Qe3 Re3 19.Bc4 Nc6 20.Rd2 Ne5 21.Bb3 Ne4 22.Ne4 Re4 23.Rhd1 Nc6 24.Rd7 Na5 25.Bf7 Nc6 (25...g6!?=) 26.Rb7+/- Nd8? (better is 26...Re7!? 27.Re7 Ne7+/-) 27.Ra7+- Rc8 28.Rad7 Nf7 29.Rf7 Re2 30.Rfd7?? (better is 30.Rd2 Re1 31.Kb2+/-) 30...Rcc2-/+ 31.Kb1 Rb2 32.Kc1 0–1. Vlasopoulos,Georgios – Efstathopoulos,Pavlos, Ambelokipi op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    8.Na3 Nf6 9.Nb5 Qd8 10.Ne5 0-0 11.Nf3 (11.Ra7? Ra7 12.Na7 Qd4 13.Nc8 Qe5 14.Qe2 Qa5 15.Ne7 Kh8-+; 11.Na7 Bf5 12.c3 Re8-/+) 11...Re8 12.Be2 Nc6 13.0-0 Bg4 14.h3 Bh5 15.Nc3 Qd6 16.Rb1 b6 17.Re1 Rad8 18.Nb5 Qf4 19.Rb3 a6 20.Na3 b5 21.Re3 Re3 22.fe3 Qg3 23.Rf1 Ne4 24.Nb1 Rd6 25.Nd4? (better is 25.c4-/+) 25...Rg6-+ (25...Nd4?! 26.Bh5 Ng5 27.Bg4+= (27.ed4 Nh3 28.Kh1 Nf2 29.Rf2 Qf2-+)) 26.Bf3 Ne5 (26...Ng5 27.Qe2 Nd4 28.ed4-+) 27.Qe2 Nf3 28.Nf3 (28.Rf3 Bf3 29.Qf3 Qf3 30.Nf3-+) 28...Ng5 29.Kh1 Nf3 30.Rf3 Bf3 31.Qf3 Qf3 32.gf3 b4 33.c3 a5 0–1. Echepetelecu,Juan R – Correa,Agustin Francisco, CADAP tem '74 APA.VII1, 1975. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    8.Ra3 Nc6

    9.Nc3 Qc5 10.Nb5 Qe7 11.Qa1 Nf6 12.Bc4 0-0 13.0-0 Bg4 14.Re1 Bf3 15.Rf3 a6 16.Nc3 Rad8 17.Bd3 Nd4 18.Rfe3 Ng4 19.Rh3 f5 20.f4?? (better is 20.Qa5 Nc6 21.Qb6-+) 20…Qc5-+ (20...Qc5 21.Qa2 Kh8-+) 0–1. Mittag – Schreiber, corr, 1980. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6)

    9.Nc3 Qc5 10.Nb5 Qe7 11.Qa1 Nf6 12.Be2 0-0 13.0-0 a6 14.d4 e4 15.Ne5 Nb4 16.Rc1 Be6 17.c4 Rad8 18.Nc3 (better is 18.Na7!?-/+) 18...Rd4-+ 19.Nd1? (19.Rb3 Qc5-+) 19...Rd2 20.Re3 Nc2 (better is 20...Qc5 21.Qc3 Rfd8 22.Rb1-+) 21.Qc3 Ne3 22.Qd2 Nd1 23.Rd1 Qc5 24.Qd6 Qd6 25.Rd6 Rc8 26.Rb6 Rc7 27.h3 Nd7 28.Nd7 Bd7 29.Kf1 Kf8 30.Ke1 Ke7 31.Kd2 Bc6 32.Ke3 f5 33.c5 Ke6 34.f4 (34.Kd4-+) 34...Kd5 35.Rb1 Kc5 36.Rc1 Kd6 37.g4 Bd5 38.Rc7 Kc7 39.Kd4 Kd6 40.gf5 b5 41.h4 Bc6 42.h5 h6 0–1. Ippolitti,Horacio – Pierrot,Juan Facundo, Buenos Aires GEBA, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    9.Nc3 Qd8 10.Bb5 Bd7 11.0-0 Nge7 12.Re1 0-0 13.Ne5 Ne5 14.Re5 a6 15.Bd3 Ng6 16.Rh5 Qe7 17.Raa5 Rfe8 18.Ra1 Bc6 19.Qg4 Rad8 20.h3 Rd6 21.f4 Rf6 22.Rf1 Qb4 23.f5 Qg4 24.hg4 Ne5 25.Be2 Rd6 26.d3 b5 27.Rf4 Nd7 28.Kf2 Nf6 29.Rh1 a5 30.Ra1 b4 31.Nd1 Nd5 32.Rd4 a4 33.Bf3 Red8 34.Bd5 Rd5 35.Rb4 h5? 36.Ne3+- Re5 37.d4 Re4 38.c3 hg4 39.d5 Rb4 40.cb4 Bd5? 41.Ra4?? Bc6+= 42.Ra5 Rd2 43.Kg3 Rb2 44.Rc5+/- Rb3 45.Rc6 Re3 46.Kf4 Rb3 47.Rc4 g3 48.Re4 Kh7 49.Kg4 Kh6 50.Kh4 Kh7 51.Rg4 Kh6 52.Kh3 Kh7 53.Rc4 Kh6 54.Kg4 Kh7 55.Rd4 f6 56.Rc4 Kh6 57.Kh4 Kh7 58.Rg4 Kh6 59.Kh3 Kh7 60.Rh4 Kg8 61.Rc4 Kh7 62.Kg4 Kh6 ½–½. Vogiatzis,Dimitrios – Koenig,Oliver, Mittelfranken–ch HT, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6)

    9.Nc3 Qd8 10.Bb5 Nf6 11.Bc6= bc6 12.Ne5 Qe7 13.Ra5 Qc7 14.Qa1 0-0 15.0-0 Rd8 16.d3 Be6 17.Re1 Nd7 18.Nf3 Nf8 19.Rg5 f6 20.Ra5 Bf7 21.Qa3 Ng6 22.Ra1 Rd7 23.Qc5 Bd5 24.Nd5 cd5 25.Qc7 Rc7 26.Nd4 Ne7 27.Kf1 h6 28.Ke1 Nc6 29.Nc6+/- Rc6 30.Kd2 Rac8 31.R1a2 Re6 32.Rd5 Rce8 33.Rf5 Re2 34.Kc3 Rc8 35.Kb3 Rb8 36.Kc4 Rc8 37.Rc5 Ra8 38.Rf5 Rc8= 39.Kb3 Rb8 40.Ka3 Rb6 41.Rb2 Ra6 42.Kb4 Rb6 43.Kc3 Rc6 44.Kb3 Rb6 45.Ka3 Ra6 46.Kb4 Rb6 47.Rb5 Rf2+= 48.Rb6 ab6 49.Kb5 Rg2 50.Kc6 Rd2 51.h3+= Kf7 52.Kb6 Ke6 53.Kc5 Ke5 54.Kc6 f5 55.Rb5 Ke6 56.Rc5 f4-+ 57.Rc4 g5 58.Kb5 f3 59.Re4 Kf5 60.Re8 Kf4 61.Kc4 Rc2 62.Kd4 Re2 (62...Re2 63.Rf8 Kg3-+) 0–1. Vogiatzis,Dimitrios (2035) – Braun,Peter (2235), Dresden ZMD op, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6)

    9.Nc3 Qd6

    10.Nb5 Qe7 11.Qa1 Nf6 12.Bc4 0-0 13.0-0 Bg4 14.Re1 a6 15.Ne5 Ne5 16.Re5 Qd8 17.Nc3 Qd2 18.Ne4 Ne4 19.Re4 h5 20.Qc3 Qc3 21.Rc3 Rfe8 22.Bd5 Bf5 23.Re8 Re8 24.g4 Bg4 25.Bb7 a5 26.f3 Bf5 27.Rc5 g6 28.Ra5 Bc2 29.Bd5 Re7 30.Kf2 Kg7 31.Ra2 Bf5 32.Kg3 Kf6 ½–½. Rihm,Frank – Haas,Bernd, GER theme, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6)

    10.Nb5 Qe7 11.Qa1 Nf6 12.Bc4 0-0 13.0-0 Bg4 14.Re1 Bf3 15.Rf3-/+ a6 16.Na3 b5 17.Bf1 Qd6 18.Rd3 Qc7 19.Rg3 Rfe8 20.Bd3 Qd6 21.Be4 Ne4 22.Re4 Qd2 23.Rd3 Qa5 24.Rg4? Rad8 25.Qc1 Rd3 26.cd3 Nd4 27.Kf1 f5 28.Rh4 Qd8 29.Rh3 Qd7 30.Qg5 Rc8 31.Re3 Qd6 32.Rg3 g6 33.Rh3 f4 34.g4 Rc1 35.Kg2 Qd5 (35...Qd5 36.f3 Qa2 37.Nc2 Qc2) 0–1. Podgorny,Jiri – Pachman,Ludek, CSR–ch Prague, 1953.

    10.Nb5 Qe7 11.Qa1 Nf6 12.Bc4 0-0 13.0-0 Bg4 14.Re1 e5 Bf3 15.Rf3 a6 16.Na3 Rfd8 17.d3 b5 18.Ba2 Nd4 19.Rfe3 Ng4 20.Rg3 Qh4 21.h3 Nf2! 22.Kf2 Rd6 (22...Nf5 23.Qe5 Ng3 24.Qg3-/+) 23.Ree3-/+ Rg6 24.Bf7 Kf7 25.Qa2 Kf8 26.Qd5 Re8 27.Qe4 Qe4 (27...Rf6 28.Kg1 Rf4 29.Qd5-+) 28.de4 Rg3 (better is 28...Rf6!? 29.Ke1 b4 30.c3 ba3 31.cd4-+) 29.Rg3 Rc8 30.c3 Ne6 31.Ke1 Ke7 32.Re3 Nf4 33.Rg3 g6 34.Kd2 Rc5 35.Rg4 a5 0–1. Bellantone – Bella, corr ITA, 1975. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6 9.Nc3 Qd6)

    10.Nb5 Qe7 11.Qa1 Nf6 12.Bc4 0-0 13.0-0 Bg4 14.Re3 e4 15.Nfd4 Ne5 16.Bb3 Rfd8 17.c3 a6 18.Na3 Bh5 19.Rg3 Bg6 20.Re1 Nh5 21.Rge3 Qg5 22.Bc2 Ng4 23.Re4 Be4 24.Re4 Qh4 0–1. Markus,Roland – Bendig,Frank, SO, 1990. (=1.b4 c5 2.e4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    10.Nb5 Qe7 11.Rd3 Nf6 12.Nd6 Kf8 13.Nc8 Rc8 14.Rc3 Nd5 15.Rc4 b5 16.Rg4 e4 17.Ng1 Nd4 18.c3 h5 19.Rg3 Nf5 20.Rh3 Nf4 21.Bb5 Ng2 (21...Nh3?! 22.Nh3 Rh6 23.0-0-+) 22.Kf1 Nf4 23.Rg3 Qb7 24.Be2 e3 25.Rf3 Ne2 26.Qe2 ed2 27.Qd2 Nh4 28.Rd3 (28.Rg3 Qh1 29.Qf4-+) 28...Qg2 29.Ke2 (29.Ke1 Kg8 30.Rd8 Kh7 31.Qd3 f5 32.Rh8 Kh8-+) 29...Re8 30.Re3 Re3 (30...Qh1?! 31.Qd6 Kg8 32.Re8 Kh7 33.Rh8 Kh8 34.Qd8 Kh7 35.Qh4 Qg1 36.Qh5 Kg8 37.c4=) 31.Qe3 Rh6 32.Qa7 Qe4 33.Kd1 (33.Qe3 Qc2 34.Kf1 Re6 35.Qc5 Re7 36.Qc8 Re8 37.Qe8 Ke8-+) 33...Rd6 34.Kc1 Qe1 0–1. Naughton,DJ – Carroll,Patrick J, BFCC open P411, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6 9.Nc3 Qd6)

    10.Nb5 Qe7 11.Be2 Nf6 12.0-0 0-0 13.Re1 (13.Qa1 Rd8 14.Re1 e4-/+) 13...a6 (13...e4 14.Nh4-+) 14.Qa1-/+ Bg4 15.d4 e4 16.Ne5 Be2 17.Re2 Qd8 (17...Nd4!? 18.Nd4 Qe5 19.f3-+) 18.Nc6-/+ bc6 19.Nc3 Qd4 20.Ra4 Qe5 21.Ne4 Qa1 22.Ra1 Nd5 23.Nc5 a5 24.Kf1 g6 25.Re4 Rfb8 (25...Nb4 26.c3 Nd5 27.c4+=) 26.Rea4 (26.Nb3!?+=) 26...Rb2-/+ 27.R4a2 Rab8 (27...Ra2 28.Ra2 Kg7 29.Ra3-/+) 28.Nb3 Ra2 29.Ra2 Nb4 30.Ra5 Nc2 31.Nd2 Nd4 32.g3 Ne6 33.Ra6 c5 34.Rc6 Rb2 35.Ne4 Rc2 36.h4 Kg7 37.Kg2 h6 38.Rc8 f5 39.Nd6 f4 40.gf4 Nf4 41.Kf3 Ne6 42.Ke3 Rc1 43.h5 gh5-+ 44.Re8 Ng5 45.Kd2 Ra1 46.f4 Nf3 47.Ke2 Nd4 48.Kd3 h4 49.Rb8 h3 50.Rb2 Rh1 51.Ne4? h2 (51...h2 52.Ng3 Rd1 53.Kc4 h1Q 54.Nh1 Rh1 55.Kc5 Ne6 56.Kd5 Nf4 57.Ke4 Rf1-+) 0–1. Vogiatzis,Dimitrios (1985) – Kraft,Wolfgang (2120), Landesliga Nord, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6 9.Nc3 Qd6)

    10.Nb5 Qe7 11.Re3 Bg4 12.d4 0-0-0 13.d5-/+ Nh6 14.d6 Bf3 15.gf3 Qe6 16.Qa1 Rd6 17.Bc4 Qe7 18.Nd6 Qd6 19.Rd3 Qc7 20.0-0=+ Rd8 21.Rfd1 Rd3 22.Rd3 Nf5 23.Qa3 Qe7 24.Qe7 Nfe7 25.Bf7 Kc7 26.Kf1 a5 27.Ke1 b5 28.c3 e4?? 29.fe4+/- Ne5 30.Rg3 Nf7? 31.Rg7 a4 32.Rf7 Kd6 33.e5! (33.e5 Ke6 34.Rh7+-) 1–0. Pytlakowski,Andrzej – Oettinger, Krakow, 1938. (same as the game below; fake?)

    10.Nb5 Qe7 11.Re3 Bg4 12.d4 (12.Be2 Nh6 13.Ne5 Ne5+=) 12...0-0-0 (12...a6!? 13.Nc3 Bf3 14.gf3-+) 13.d5-/+ Nh6 14.d6 Bf3 15.gf3 (better is 15.Qf3!? Qd7 16.Ra3+=) 15...Qe6-+ 16.Qa1 Rd6 (16...a6 17.Rd3 Qg6-+ (17...ab5 18.Qa8 Kd7 19.Qb7 Ke8 20.Qc6 Kf8 21.Qb6+=)) 17.Bc4 Qe7 18.Nd6 Qd6 19.Rd3 Qc7 20.0-0 Rd8 21.Rfd1 Rd3 22.Rd3 Nf5 23.Qa3 Qe7 24.Qe7 Nfe7 25.Bf7 Kc7 26.Kf1 a5 27.Ke1 b5 28.c3 e4?? (better is 28...Kb6+=) 29.fe4+- Ne5 30.Rg3 Nf7? (better is 30...g5 31.Be8 b4+-) 31.Rg7 a4 32.Rf7 (32.Rf7 Kd6 33.Rh7+-) 1–0. Engbersen,JFJ – Simmelink,Joop Theo, corr, 1974. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3 8.Ra3 Nc6 9.Nc3 Qd6)

    8.Na3 Nc6

    9.Nb5 Qd8 10.Bc4 Nf6 11.d4 ed4 12.0-0 0-0 13.Nbd4 Nd4 14.Nd4 Qc7 15.Qd3 Ng4 16.f4 Rd8 17.Rae1 Bf5! 18.Qf5 (18.Qf5 Qc4; 18.Nf5 Rd3) 18...Qc4 19.Ne6 fe6 20.Qg4 Rd2 21.Qf3 Qd4 22.Kh1 Qd5 23.c3 Rc8 24.Qd5 ed5 25.Re7 Rb2 26.Rfe1 Rc3 27.Re8 Kf7 28.R8e7 Kg6 29.h4 Rg3 30.R1e5 Kh6 31.Rd5 Rg4 32.h5 Rf4 33.Rd6 g6 34.Rdd7 Kh5 35.Rh7 Kg5 36.Rb7 Rb7 37.Rb7 a5 38.Rb5 Rf5 39.Rb1 Kf4 40.Ra1 Ke4 41.Kh2 Kd4 42.g4 Re5 43.Kg3 g5 44.Kf3 Kc3 45.Kg2 Kb2 46.Rf1 Re2 47.Kf3 Rc2 48.Ke4 a4 49.Kf5 Rc5 50.Kg6 a3 51.Rf2 Kb3 52.Rf3 Kb4 53.Rf2 Ra5 54.Rh2 a2 55.Ra2 Ra2 56.Kg5 Rf2 57.Kh4 Kc5 0–1. Ballarani,Piero – Cimmino,Pietro, ASIGC A/062 corr, 1991. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    9.Bc4 Qd8 10.0-0 Nf6 11.Bb5 Bg4 12.Re1 0-0 13.Bc6 bc6 14.Re5 Bf3 15.Qf3 Qd2 16.h3 (worse is 16.Qc6 Ng4 17.Rf5 g6-+) 16...Qd6 17.Ra5 Qd4 18.c3 Qe4 19.Qe4 Ne4 20.Nc4 Nc3 21.Ra7 Ra7 22.Ra7 Nb5 ½–½. Flor Trejo (2000) – Hernandez Molina (2265), CADAP MLP–0½003 email, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    9.Bc4 Qd8 10.0-0=+ Nf6 11.Re1= 0-0 12.Ne5 Ne5 13.Re5 Qc7 14.Qe2 Bd7 15.d4 a6 16.Rc5 Bc6 0–1. marcosramospg – pierred (2760), net–chess.com, 2010.

    9.Bc4 Qd8 10.0-0=+ Nf6 11.Re1= 0-0 12.Ne5 Ne5 13.Re5 Ng4 14.Re2 Qd6 15.g3 a6 16.d4 Nf6 (16...Nf6 17.Rd2 Bf5=). marcosramospg – pcmvr (2840), net–chess.com, 2010.

    9.Bc4 Qe4 10.Be2 Nge7 11.Nc4 0-0 12.0-0 Bg4 (better is 12...Be6!? 13.Ng5 Qg6 14.Ne6 Qe6-/+ (worse is 14...fe6 15.Nd6=)) 13.d3= Qf4 14.Nce5 Bf3 15.Nf3 Rfd8 16.c3 Nd5 17.Qb3 Qf6 18.d4 (worse is 18.Qb7 Nc3 19.Bd1 Rab8-/+) 18...g5 19.Bc4 Nb6 20.Bd3 g4 21.Nd2 Rd5 22.Ne4 Qh6 23.Qd1 f5 24.Ng3 Rf8 25.f4 Qf6 26.Nf5 Rf5 27.Qg4 Kh8 28.Qf5 Qf5 29.Bf5 Rf5 30.g4 Rf7 31.f5 Nd5 32.Rf3 b6 33.g5 Re7 (better is 33...Na5!?+/-) 34.f6+- Re8 35.Kf2 a5 (35...Rd8+-) 36.Re1 Rf8 37.Re6 Na7 (37...Nd8 38.Rd6 Nc7 39.Rb6 a4+-) 38.c4 1–0. Sternik,Ryszard – Kulinski,Krzysztof, corr Poland, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    9.Bc4 Qe4 10.Be2 Nf6 11.Nb5 0-0 12.0-0 Bf5 13.d3 Qb4 14.Rb1 Qe7 15.Nh4 Be6 16.Re1 a6 17.Nc3 Qc5 18.Qd2 Rac8 19.Na4 Qd4 20.Nb6 Ne4! 21.Qe3 (21.de4 Qd2) 21...Nc3 22.Qd4? (better is 22.Nc8 Rc8 23.Nf3 Qe3 24.fe3 Nb1 25.Rb1-+) 22...Nd4 (22...ed4?! 23.Nc8 Nb1 24.Rb1 Bc8 25.Bf3-/+; 22...Ne2?! 23.Re2 Nd4 24.Re5 Rc2 25.Rbe1-+) 23.Bf3 Rc7 24.Rbc1 g5 (24...Nf3?! 25.Nf3 Rc6 26.Nc4-+) 25.Re5 gh4 26.Rg5 Kh8 27.Bh5 (27.Re1-+) 27...Nce2 28.Be2 Ne2 29.Kf1 Nc1 0–1. Arviv Seknadje,Regine – Guyot,Patrick, France district ch, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Ba3 Ba3)

    7.Na3 Ba3

    8.Ra3 Nc6 9.Bb2 Nge7 10.c4 Qd6 11.Be2 0-0 12.0-0 Nf5 13.Ng5 Qd8 14.Ne4 Nfd4 15.Bd3 f5 16.Ng3 Be6 17.Rc3 Rc8 18.Re1 Qg5 19.Bf1 h5 20.Ba3 Rfd8 21.Ne2 h4 22.Nd4 Rd4 23.Bc5 Rd7 24.d4 Nd4 25.Bd4-/+ Rd4 26.Qb3 Rd2 27.Rce3 Qf4-/+ 28.R1e2 Re2-+ 29.Be2 b6 30.g3 hg3 (30...hg3 31.hg3 Qd4-+) 0–1. Lamotho,Jean – Garbett,Paul Anthony (2285), Novi Sad ol (Men) (5), 1990.

    8.Ra3 Nc6 9.c4 Qd6 10.Re3 Nge7 11.Ba3 Qc7 12.Bd3 f6 13.0-0 0-0 14.Bb1 Rd8-/+ 15.Nh4 Be6 16.Rg3 Nd4 17.Bh7?? Kh7-+ 18.Qh5 Kg8 19.Be7 Qe7 20.Ng6 Qe8 21.Qh8 Kf7 22.Ne5 Ke7 23.Qg7 Kd6 24.Rd3? fe5 25.Re1 Kc6 26.Qe5 Bc4 27.Qf6 Rd6 28.Re8 Re8 29.Re3 Rf6 30.Re8 Ne2 31.Kf1 Nf4 32.Kg1 a5 33.f3 a4 34.Ra8 Ba6 35.Kf2 Nd3 36.Ke3 a3 37.Rc8 Kd5 38.Rd8 Rd6 (38...Rd6 39.Rd6 Kd6-+) 0–1. Lamotho,Jean – Fairclough,Neil (2235), Novi Sad ol (Men) (11), 1990.

    8.Ba3 Nc6

    9.Qb1 Nge7 10.c4 Qe6 11.Be2 0-0 12.0-0 Rd8 13.Re1 Ng6 14.Bb2 Qf5 15.Qc1 (15.h3 Qb1 16.Rab1 Bf5-+) 15...Nf4 (better is 15...e4!? 16.Qc3 f6 17.Qe3 ef3 18.Bf3-+) 16.Bf1 f6 17.d4 ed4 18.Qd2 Bd7 19.Bd4 Be8 20.c5 (20.Qe3 Bh5 (20...Nd4?! 21.Nd4 Qc5 22.Rad1+=) 21.Ba7 Bf3-/+) 20...Nd4 (better is 20...Bh5!? 21.Qa2 Kh8-+) 21.Nd4-/+ Qg5 22.Qe3 Bf7 23.c6 bc6 24.Nc6 Re8 (24...Rd3 25.Qb6 Rd7 26.Na7 Ng2 27.Bg2 Bd5-+) 25.Ne7+= Kh8 26.Ra7?? Nh3!!-+ 27.Qh3 Ra7 28.Qc3 Rae7 (28...Rae7 29.Re7 Re7-+) 0–1. Capron,Daniel (2040) – Monnard,Laurent (2300), FRA–ch, 1979. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Ba3)

    9.c3 Nge7 10.c4 Qd8 11.Qe2 0-0 12.d4? (better is 12.Qd3!?-/+) 12...ed4 13.Be7 Ne7 (13...Qe7?! 14.Qe7 Ne7 15.Nd4-/+) 14.Qb2 Nc6 15.0-0-0 Bf5 (15...Qf6 16.Kd2-+) 16.Bd3 Bd3 17.Rd3 Rc8 18.h4 Qa5 19.Ra3 Qf5 20.g4 Qf4 21.Kb1 Qe4 22.Ka1 d3 23.Rh3 Qc4 24.Nd2 Qc5 25.Rad3 Rfe8 (better is 25...Qf2!? 26.g5-+) 26.Rhe3 Re3 27.Re3 Qd5 28.Qb7 Qa5 (better is 28...Qd4!? 29.Kb1 Qg4 30.Kb2 Qd4 31.Kb1-+) 29.Kb1 Qd8 (29...Qd2?? 30.Qc8 Qd8 31.Qd8 Nd8 32.Re8) 30.Qa6 Nb4 (30...Qd2?? 31.Qc8 Qd8 32.Qd8 Nd8 33.Re8) 31.Qe2 (31.Qa4 Nd5 32.Ra3 Qe7-+) 31...Nd5 32.Nc4 Ne3 33.Ne3 Rb8 34.Kc1 Qd4 35.Nc2 Qb2 (35...Qb2 36.Kd1 Qb1 37.Kd2 Rd8 38.Qd3 Rd3 39.Kd3 Qd1 40.Kc3 Qg4-+) 0–1. Estevez,Eric (1860) – Cortes,Antoine (2135), Provence–ch Majeur op, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Ba3 8.Ba3 Nc6)

    9.c4 Qd8 10.Qb1 Nge7 11.Bd3 f5 12.Be7 Qe7 13.Bf5 Bf5 14.Qf5 Qf7 15.Qe4 0-0 16.0-0 Rad8 17.Rab1 Rd7 18.Rb5 Qf4 19.d3 Qe4 20.de4 Nd4 21.Nd4 Rd4 22.f3 Rf7 23.Rfb1 Rc4 24.Rb7 Rc1 25.Rc1 Rb7 26.Rc5 Re7 27.Ra5 Kf7 28.Kf2 Ke6 29.Ra6 Kf7 30.h4 h5 31.Ra5 Kf6 32.f4 ef4 33.Kf3 Re5 34.Ra6+- Re6 35.Ra7 g5 36.hg5 Kg5+/- 37.Ra5 Kg6 38.Kf4+- Rf6 39.Rf5 Ra6 40.Rg5 Kh6 41.Rg3 Ra8 42.e5 Rf8 43.Ke4 Rb8 44.Kf5 Rf8 45.Ke6 h4 46.Rg4 Kh5 47.Rg7 Kh6 48.Rf7 Re8 49.Kd6 Rd8 50.Ke7 Rd2 51.Rf8 Kg7 52.Rf4 Rg2 53.Rh4 Kg6 54.e6 Ra2 55.Rd4 Ra6 56.Rd5 Ra7 57.Rd7 Ra8 58.Rc7 Kg7 59.Kd7 Kf8 60.Rb7 Kg7 61.Ke7 Ra6 62.Rc7 Ra8 63.Rd7 Kg6 64.Rd4 Ra7?? 65.Kd6+- Ra6 66.Ke5 Ra5 67.Rd5 Ra7? 68.Rc5+- Ra6 69.Rc8 Ra5 70.Kd6 Ra6 71.Kd7?? Ra7?? 72.Rc7+- Ra8 73.e7 Kf7+/- 74.Rb7 Re8 75.Kd6 Ra8 76.Kd7 Re8 ½–½. Bronstein,David – Benko,Pal, Budapest, 1949.

    9.c4 Qd8 10.Bb2 Bg4 11.Be2 Qc7 (11...Bf3 12.Bf3 Nge7 13.0-0=+) 12.0-0 Nge7 (better 12...Bf3!? 13.Bf3 Nge7=) 13.Ne5+= Be2 14.Qe2 0-0 15.Nc6 Nc6 (worse 15...bc6 16.Ba3 Rae8 17.Rfe1+-) 16.Ra3 f6 17.Re3 Qf7 18.d4 Rac8 (18...Na5 19.d5 Rac8 20.Rc1+=) 19.d5 (19.Re1!?+-) 19...Na5+= 20.Re1 Nc4 21.Re7 Qd5? (better 21...Qg6+=) 22.Qg4+- g6 23.Bf6! Qf5 (23...Rf6 24.Re8 Double attack (24.Qc8 Deflection; 24.Qh4 Decoy; 24.Qc8 Overloading)) 24.Rg7 Kh8 25.Qh4 h5 26.Rg6 Kh7 (26...Rf6 27.Rf6 Qh7+-) 27.Rg5 Qf6 (27...Qf2 28.Qf2 Ne3 29.Qf3 Rf6 30.Qh5 Rh6 31.Qf7 Kh8 32.Qg7) 28.Qh5 Qh6 29.Re7 (29.Re7 Rf7 30.Rf7 Kh8 31.Qh6) 1–0. Van den Berg,B (2220) – Van Liempt,Michael (2065), 22nd HZ Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Ba3 8.Ba3 Nc6)

    9.c4 Qe4 10.Be2 Nge7 11.0-0 0-0 12.Re1 Qf4 13.Bd3 Bg4 14.Qb1 Bf3 15.gf3 f5 16.Be7 Ne7 17.Qb7 Ng6 18.Re3 a5 19.Kh1 Kh8 20.Qb1 Rfb8 21.Qc2 Nh4 22.Be2 a4 23.Qc3 Ng6 24.Qc2 Qd4 25.Ra4 h6 26.Qf5 Nf4 27.Ra8 Ra8 28.Bf1 Qa1 29.Kg1 Ra6 30.Re5 Rg6 31.Qg6 Ng6 32.Re4 Qd1 33.d4 Qf3 34.Re8 Kh7 35.Re3 Qg4 36.Rg3 Qd1 37.Rd3 Qh5 38.Re3 Nh4 39.Bd3 Kg8 40.h3 Nf5 41.Bf5 Qf5 42.Kf1 Qc2 43.Kg2 Qc4 44.Re4 Qc2 (44...Qc2 45.Rf4 Qc6 46.Kg3 Qd6-+) 0–1. Gonzalez,Alejandro (1925) – Parker,Brad (1650), Swiss–510.1.02, 2006.

    9.c4 Qe4 10.Be2 Qg6 +=.

    9.c4 Qe6 10.Bb2 Nge7 11.Qe2 f6 12.d4 ed4 13.Nd4 Qd7 14.Rd1 0-0 15.Nb5 Qf5 16.Qe3 Qg6 17.Nc7 Rb8 18.Ba3 Bf5 19.Qg3 (19.Be7 Rf7 20.Bd6 Rc7 21.Bc7+=) 19...Rfd8 20.Be2 Rd1 21.Bd1 Rd8 22.Qg6 Ng6 23.Nd5 Be6 24.0-0 Nge5 (24...Bd5?! 25.cd5 Nd4 26.d6-/+) 25.Re1 Kf7 (25...Bd5?! 26.cd5 Nd4 27.Bc5 Rd5 28.Ba7-/+) 26.Ne3 Nc4 27.Nc4 Bc4 28.Bf3 Bd5 0–1. Hoskyn,Gordon A – Williams,Barry M, NZCCA HT corr New Zealand, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Ba3 8.Ba3 Nc6)

    9.Bd3 Nge7 10.Qe2+= 0-0 11.0-0 h6 (better is 11...Re8!?+=) 12.Bc4+= Qd8 (12...Qd7!? 13.Ne5 Ne5 14.Qe5 Nc6+=) 13.Ne5+/- Ne5 14.Qe5 Ng6 (14...Nc6 15.Qf4 Qd4 16.Qd4 Nd4 17.Bf8 Kf8 18.c3+-) 15.Qc3 (15.Qe4!? Qh4 16.f4 Qf6 17.Bf8 Nf8+-) 15...Re8+/- 16.Bb2 Qf6 17.Qf6 gf6 18.Bf6 Be6 19.Be6 Re6 20.Bc3 (20.Bd4!? a6 21.Rfb1+/-) 20...Nf4+= 21.Bb4 b6 22.Rfe1 Rae8 23.Re6 Re6 24.g3 (24.d3 Rg6 25.g3 a5+/-) 24...Ne2+= 25.Kf1 a5 26.Re1 (26.Ba3!? Nd4 27.c4+=) 26...Nd4= 27.Re6 fe6 28.Bd6 Nc2 29.Ke2 b5 30.Kd3 Ne1 31.Kc3 h5 32.h4 Nf3 33.d3 e5 34.Bc7 a4 35.Bd6 Kf7 36.Kb4 Ke6 37.Bc5 Ne1 38.Kc3 Nf3 39.Kb4 Ne1 40.Kc3 Nf3 ½–½. Dunne,Paul (1855) – Richter,Steffen (2075), Leipzig VfB op, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Ba3 8.Ba3 Nc6)

    9.Bd3 Nge7 10.Qe2+= Bg4 11.Be4 Qd7 12.Bc6 Nc6 13.Ne5 Be2 14.Nd7 +=.

    9.Bd3 Nge7 10.Qe2=+ Bg4 11.Be4 Qe6 12.Qb5 Bf3-/+ 13.Bf3 e4 14.Bd1 Qd7 15.0-0 a6 16.Qc4 0-0 17.Qe4 Qd2 18.Re1 Rfe8 19.Bg4 Qd5 20.Qe3 Qc4 21.Bf3 h6 22.Qb6 Nf5 23.Qb7 Qc3 24.Rf1 Nfd4 25.Bd5 ½–½. Porreca,Giorgio – Matanovic,Aleksandar, Opatija, 1953.

    9.Bd3 Nf6!? 10.Be2 e4 -/+.

    9.Be2 e4 10.c4 Qe6 11.Ng5 Qe5 12.h4 f6 13.Nh3 Nge7 14.Rb1 0-0 15.Bb2 Nd4-+ 16.Bd4 Qd4 17.d3 ed3 18.Bd3 Rd8 19.Be2 Qc3 20.Kf1 Rd1 21.Rd1 Be6 22.Ng1 Bc4 23.Bc4 Qc4 24.Ne2 Nf5 25.g3 Re8 26.Re1 Re2! 27.Re2 Nd4 28.Kg2 Qe2 29.Rc1 Qf3 30.Kh3 f5 31.Rc8 Kf7 32.Rc7 Kf6 33.Rb7 Qh1 0–1. Richard,Andy – Salmi,Erkki, IECC, 1997.

    9.Be2 Nge7 10.c4 Qe6 11.d3 (11.d4 ed4 12.Nd4 Nd4 13.Qd4 0-0+=) 11...0-0 12.0-0 Rd8 13.Re1 Ng6 14.Bf1 b6 15.Qc2 Bb7 16.Re3 Qf5 17.Rae1 f6 18.Qb1 Qd7 19.g3 Nce7 20.Nh4? (better is 20.Rd1-+) 20...Nh4 21.Be7 (21.gh4 Qc6 22.Re4-+) 21...Qc6 (21...Qe7?! 22.gh4 Rd4 23.Bg2-+) 22.f3 Nf3 23.Kf2 Nh2 (23...Ne1 24.Ke1 Rd4 25.Qb2-+) 24.Bd8 Ng4 25.Ke2 Ne3 26.Ke3 Rd8 27.Be2 Qc5 28.Kd2 e4 29.Kc2 Qf2 (29...Qf2 30.Kc3 ed3 31.Bd3 Qd4 32.Kd2 Be4 33.Re4 Qe4-+) 0–1. Estevez,Eric (1910) – Girard,Jean Pierre (2030), Majeur–chT, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Ba3)

    7.Na3 Nc6

    8.Nb5 Ba5?? 9.Ra5!+- (9.Ra5 Qd8 10.Ra4+-) 1–0. Cooper,Gavyn (2065) – Smith,Jonathan (1935), BCF–chT4, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6)

    8.Nb5 Kd8!?-/+.

    8.c3 Ba3 9.Ba3 Bg4 10.Rb1-/+.

    8.c3 Be7 9.Bc4 Qd8 (9...Qe4 10.Be2-/+) 10.d4 Nf6 11.0-0 ed4 12.cd4 0-0 13.d5 (13.Qd3 a6-/+) 13...Nb4 14.Qb3 Nbd5 15.Rd1 Be6 16.Qb7 Qb6 17.Qb6 ab6 (17...Nb6?! 18.Be6 fe6 19.Nb5=+) 18.Bb2 Nf4 (18...Rfc8 19.Bb3-/+) 19.Be6 Ne6 20.Nb5 Ra1 21.Ra1 Ne4 22.Re1 (22.Ra4 f5-/+) 22...N4c5 23.Ra1 Nd3 24.Ba3 (24.Bd4!?-/+) 24...Ra8-+ 25.Rd1 Ba3 (25...Nf2 26.Kf2 Ba3 27.Na3 Ra3 28.Ng5-+) 26.Rd3 Bc5 27.g3 g6 28.Rd2 Kg7 29.Ne5 (29.Kf1 Kf6-/+) 29...Ra5-+ 30.Rb2 Nd4 31.Nc7 Ba3 32.Rd2 Re5 33.Rd4 b5 34.Kg2 Bc5 35.Rd2 (35.Rd7 b4 36.Na6 Bf8-/+) 35...b4 36.Nd5 (36.Rb2 Be7-+) 36...b3 37.Nf4 Ba3 38.Rd7? (38.Rd1 b2 39.Rb1 g5-+) 38...Rb5 (better 38...Re1 39.Nd3 Rd1-+) 39.Rd1 b2 40.Rb1 Rc5 (40...g5 41.Nd3-+) 41.Nd3 Rc1 42.Rb2 Bb2 43.Nb2 f5 44.Nd3 Rc2 45.Ne5 (45.Kf3 g5-+) 45...Kf6 46.Nf3 g5 47.h3 h6 (47...g4 48.hg4 fg4 49.Nd4-+) 48.Nd4 Rb2 49.Nf3 Ke6 (49...g4 50.hg4 fg4 51.Nh2-+) 50.Nd4 Ke5 51.Nf3 Ke4 52.Nh2 Rb3 53.Nf1 Rd3 54.Nh2 h5 55.Nf1 f4 56.f3 Ke5 57.g4 h4 58.Kf2 Kd4 59.Ke2 Kc3 60.Kf2 If White now only could play Rd5... 60...Kc2 (60...Rd5 61.Kg2 Rd2 62.Kg1-+) 61.Ke2 Rd4 (61...Ra3 62.Kf2 Kd1 63.Kg2 Ra2 64.Kh1 Ke2 65.Nh2 Kf2 66.Nf1 Ra1 67.Kh2 Kf1 68.Kh1 Kf2 69.Kh2 Ra3 70.Kh1 Kg3 71.Kg1 Ra1) 62.Ke1 (62.Ne3 fe3 63.Ke3-+) 62...Rd1 63.Ke2 Rd3 64.Kf2 If White now would get Rc3 in, he might survive 64...Kd1 65.Nh2 Rd2 66.Kg1 Ke1 (66...Ke2 67.Kg2 Rd1 68.Nf1 Rf1 69.Kh2 Rf3 70.Kh1 Rh3 71.Kg1 Rg3 72.Kh1 f3 73.Kh2 f2 74.Kh1 f1Q 75.Kh2 Rh3) 67.Nf1 Re2 68.Nh2 Black now must not overlook the idea Rb2 68...Rf2 69.Kh1 Ke2 (69...Ke2 70.Kg1 Rh2 71.Kh2 Kf3 72.Kh1 Ke2 73.Kg2 f3 74.Kh1 f2 75.Kg2 f1Q 76.Kh2 Qf4 77.Kg2 Qg3 78.Kh1 Qh3 79.Kg1 Qg4 80.Kh2 Kf3 81.Kh1 Qg2; 69...Rc2 70.Kg1 Rc1 71.Kh1 Kf2 72.Nf1 Kf1 73.Kh2 Rc3 74.Kh1 Rd3 75.Kh2 Kf2 76.Kh1 Kg3 77.Kg1 Rd1) 0-1. Haub,TM (2425) - Kamsky,Gata (2665), Ville d'Orsay On/L Blitz, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    8.c4 Qe4 9.Be2 Nge7 10.0-0 0-0 11.d3 Qg6 12.Kh1 Rd8 13.Qb3 Bg4 14.Nc2 Bf3-+ 15.gf3 Qd6 16.Be3 b6 17.Rg1 Bc5 18.Rg4 Nf5 19.Rag1 g6 20.Rg5 Nfd4 21.Bd4 Nd4 22.Nd4 Bd4 23.f4 Qc6 24.R1g2 ef4 25.Qd1 Qf6 26.Bf3 Rac8 27.Qg1 Re8 28.h4 Rc5 29.Bd5 Rd5! 30.cd5 f3 31.R2g4 Bf2! 32.Qf2 Re2 33.Qd4 Re1 34.Kh2 Qd4 35.Rd4 f2 36.Rf4 f1Q 37.Rf1 Rf1 38.d6 Kf8 39.Re5 (39.Re5 Rf3 40.d7 Rd3 41.Re8 Kg7 42.d8Q Rd8 43.Rd8+-) 1–0. Schultz Pedersen,Jesper (2190) – Isaksen,Brian (2245), Copenhagen op17 (6), 1995.

    8.Bc4 Qd7 9.0-0 Nge7 10.Ng5 Nd8 11.Qh5 g6 12.Qe2 Nec6 13.Nf3 0-0 14.Ne5 Ne5 15.Qe5 Nc6 16.Qg5 Be7 17.Qf4 Bd6 18.Qh4 Be5 19.c3+= a6 20.f4 Bg7 21.f5 gf5 22.d4 Ne7 23.Bd3 Ng6 24.Qg3?? Bd4!-+ 25.Kh1 Be5 26.Bf4 Bf4 27.Rf4 Qd6 28.Raf1? Qa3 29.h4 Qc3 30.h5 Qg7 31.hg6 hg6 32.Qf3 Rb8 33.Rh4 Be6 34.Qe3 Rfe8 35.Qg5 Rbd8 36.Rf3 Rd4 37.Rfh3 Rh4 38.Rh4 b5 0–1. Kovacic,G (2105) – Piven,Igor (2340), Aschach op, 1994.

    8.Nb5 Qd8

    9.Bb2 Bg4 10.Be2 Qe7 11.Ra4 Rd8 12.c3 Bf3 13.Bf3 Bc5 14.0-0 Qd7 15.Rc4 Be7-/+ 16.Qa4 Rc8 17.Rg4 a6-/+ 18.Na3 Bf6 19.Rc4 Nge7 20.Qc2 0-0 21.Bg4= Qd5 22.Bc8 Rc8 23.d4 Ng6 24.Rc5 Qe6 25.Nc4 ed4=+ 26.cd4 Bd4 27.Bd4 Nd4 28.Rc8 Qc8 29.Qd3 Nf4 30.Qe4 Nfe6 31.Nd6 Qc6 32.Qc6 bc6 33.Ra1 Nc5 34.Kf1 Kf8=+ 35.Rc1 Ncb3 36.Re1 Ne6 37.g3 Ke7 38.Nc4 c5 39.Rb1=+ Ned4 40.Kg2 Ke6-/+ 41.Nb6 Kd6 42.Nc4 Kd5 43.Ne3 Kc6 44.Re1 a5 45.Nd1 Ne6 46.Nc3 c4 47.Re5 Nbc5 48.f4 Kd6 49.Rd5= Kc6 50.f5 Nc7 51.Rd4 Nb5 52.Rc4 Nc3 53.Rc3 a4 ½–½. Ippoliti,Horacio – Bernardo,Walter, Coronel Suarez op (3), 1992.

    9.Bb2 Bg4 10.Be2 Bf3 11.Bf3 Nge7 12.0-0 0-0 13.c3 a6 14.cb4= ab5 15.Ra8 Qa8 16.Qe2 Qa4 17.Bc3 Qa6 18.Qe3 Nf5 19.Qc5 Ncd4 20.Bg4 f6 21.f4 Qc6 22.fe5 Qc5 23.bc5 fe5 24.Re1 Re8 25.Bd1 g6 26.g4= Ne7 27.Re5+/- Ndc6 28.Bb3 Kf8 29.Re3 Rd8 30.Rf3 Ke8 31.Bf7 Kd7 32.Rh3 Kc8 33.Rh7+- b4? 34.Be6 Kb8 35.Bf6 Re8 36.Bd7 Rd8 37.Bc6 Nc6 38.Bd8 Nd8 39.Rh3 Kc7 40.Rb3 Kc6 41.Rb4 Kc5 42.Rb1 b5 43.h4 b4 44.h5 gh5 45.gh5 Kc4 46.h6 b3 47.h7 Nf7 48.Kf2 Kb4 49.Ke3 Ka3 50.Rf1 (50.Rf1 b2 51.Rf7+-) 1–0. Szily,Jozsef – Bakonyi,Elek, HUN–ch Budapest (11), 1952.

    9.c3+= Bc5 10.d4 Bb6 (10...ed4 11.Bf4 Bb6 12.cd4 Ba5 13.Nd2=) 11.Ba3 Bc7?? (better is 11...ed4 12.Nd6 Kd7+=) 12.d5+- (12.Nc7?! Qc7 13.d5 Nb8=) 12...Na5? (12...Nce7 13.d6 Bb8 14.Ne5 f6+-) 13.d6 (better is 13.Qa4 Nc6 14.dc6 bc6 15.Rd1+-) 13...Bb8+/- 14.Ne5 Nf6 15.Bd3 0-0+= 16.0-0 Re8 17.Re1 Be6? 18.Nd4+/- Nd7? 19.Ne6 Re6 20.Nd7 Qd7 21.Bf5 Nc4? 22.Be6 fe6 23.Qe2 Na3+/- 24.Ra3 Qd6 25.Qe6+- Qe6 26.Re6 Kf7 27.Rb6!! ab6 28.Ra8 Be5 29.c4 Ke7 30.Ra7 Kd6 31.Rb7 Kc5 32.Re7 Bf6 33.Rc7 Kb4 34.Kf1 b5 35.cb5 Kb5 36.Ke2 h6 37.Kd3 Kb6 38.Rc2 Kb5 39.Ke4 Kb4 40.Kf5 Kb3 41.Rc6 Bc3 42.Rc3! (42.Rc3 Kc3 43.Kg6+-) 1–0. Farkas,Gabor (2230) – Straka,Josef Jr (1900), SVK–ch U20 Slovakia, 2007. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6)

    9.c3 Bc5 10.Qe2 Nge7 11.Ne5 0-0 12.d4 Ne5 13.Qe5 Nd5 14.Be2 (14.dc5? Re8 15.Qe2 Re2 16.Be2 Qe7-+) 14...Re8 15.Qg3 Bd7 16.Be3 Be7 17.0-0 a6 (17...Ne3?! 18.fe3 Rc8 19.Ra7=) 18.Na3 Nc3 19.Bf3 Bc6 20.Nb1 Bd6 21.Qg4 Bf3 22.Qf3 Nd5! 23.Nd2 (23.Qd5 Bh2 Double attack) 23...b5 24.Qf5 Bc7 0–1. Conde Ponderoso,Jose Antonio – Oliveros,Tomas, Friendly UECC Email, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6)

    9.c3 Bc5 10.Qe2 Bg4 11.Qc4 a6? 12.Qc5 ab5+/- 13.Ra8 Qa8 14.Bb5 Bf3 15.Ba3+- Kd7 16.Qd6 Kc8 17.Bc6 bc6 18.Qf8 Kb7 19.Qf7 Kb6 20.0-0 Be4 21.Bd6 Bd3 22.Qb3 Bb5 23.c4 Nf6 24.cb5 cb5 25.Qe3 Kb7 26.Qe5 Qe8 27.Qg5 Qd7 28.Rb1 Ka6 29.Qc5 Ra8 30.Qa3 Kb6 31.Qa8 Qd6 32.Ra1 Qd2 33.Qb8 Kc5 34.Qc7 Kd4 35.Qb6 Kc4 36.Qc6 (36.Qc6 Kd4 37.Qb5+-) 1–0. Golovlev,N (2320) – Murariu,A (2510), 3rd Geller mem Open A, Odessa UKR, 2007.

    9.c3 Bd6 10.Ng5 (10.Bc4!? Bb8 11.Qb3=+) 10...Be7-/+ 11.d4 ed4 (11...Bg5?! 12.Bg5 f6 13.Be3 ed4 14.cd4=) 12.cd4 Bb4 (12...Bg5 13.Bg5 Qg5 14.Nc7 Kd8 15.Na8=+) 13.Bd2 Qg5 (13...Qe7 14.Be2 h6 15.Bb4 Qb4 16.Kf1=) 14.Nc7 (14.Bb4 Kd7 15.Bc5 Nf6=+) 14...Kd8=+ 15.Na8 Nf6 16.Bb4 Re8 17.Be2 Qg2 18.Rf1 Nb4 19.Ra4 (19.Ra5 b6 20.Re5 Qa8 21.Re8 Ke8 22.Qa4 Nc6 23.Rg1-+) 19...Bh3 20.Kd2 Ne4 (20...Ne4 21.Kc1 Nc3-+) 0–1. Bonafede,Alessandro (2400) – Mayo Casademont,Marti (2260), 2nd Sunway Sitges International Chess F, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.c3+= Be7 10.Bc4 Nf6 (10...e4 11.Nfd4 a6 12.Nc6 bc6 13.Qh5+=) 11.h3? (better is 11.Ng5!? 0-0 12.Qb3=) 11...0-0 12.0-0 a6 13.Na3 Bf5 (13...e4 14.Ne1-+) 14.Re1 Qc7 (14...e4 15.Nh4 Be6 16.Be6 fe6 17.g3-+) 15.Nh4 Bg6 (15...Bd7!?-+) 16.Ng6-/+ hg6 17.Ba2 Rad8 18.Nc2 e4 19.Ne3 Ne5 20.Bb1 Bc5 21.Ba3 Rd7 22.Bc5 Qc5 23.Ra4 Rfd8 24.Re2 Qc6 25.Ra1 b5 26.Bc2 Nd3 27.Bd3 Rd3 28.Ra2 Nh5 29.Nf1 Rc3! 30.Qa1? Rc1 31.Ra6 Qc4 32.Qa5 Rc8 33.d3 Qd3 34.Qa2 Nf4 35.Ra7 Ne2 (35...Ne2 36.Kh2 R8c4-+) 0–1. Boettcher,Ulrich (2015) – Kakoschke,Dieter, Schleswig Holstein–ch qual cand–A, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.c3 Be7 10.d4 ed4 11.Bf4 Be6 12.Nc7+/- Kf8 13.Na8 Qa8 14.Nd4 Bf6 15.Ne6 fe6 16.Bd6 Nge7 17.Qb3 Qd8 18.Be7 Qe7 19.Be2 b6 20.0-0 g6 21.Bg4 e5 22.Rfd1 Nb8 23.Qb4 1–0. Estevez,Eric (1860) – Bon,Michael (2120), Provence–ch Majeur op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.c3 Be7 10.d4 ed4 11.Bf4 Kf8 12.Bc4 Bg4 (12...dc3 13.Nc7 Rb8 14.Qd8 Bd8 15.Nb5=+) 13.0-0 (13.h3 Bh5 14.Nbd4 Nd4 15.Qd4 Bf3 16.gf3 Qd4 17.cd4 Rd8 18.Ra7 Rd4 19.Ra8 Bd8+=) 13...a6 (better 13...dc3!? 14.Qb3 Nf6=) 14.Nbd4+= Nd4 15.cd4 g5 (15...Nf6 16.h3 Bh5 17.g4+=) 16.Be5 (16.Bc1 Rc8 17.Bf7 Nh6+-) 16...f6 17.h3 Bh5 (17...Rc8!? 18.Bd3 Bd7+=) 18.g4+- fe5 19.gh5 e4 20.Ne5 Nh6 21.f4 (21.Re1!?+-) 21...Kg7+= 22.fg5 (22.Kg2 b5 23.Be6 Qd6 24.fg5 Bg5= (24...Qe6?? 25.gh6 Kh6 26.Nf7 Kg7 27.d5+-)) 22...Bg5 23.Kh1 Rf8 (23...Re8 24.Qb3 Kh8 25.Qg3= (worse 25.Qb7 Qd4 26.Nf7 Nf7 27.Bf7 Qc3=+)) 24.Rf8 Qf8 (worse 24...Kf8 25.Qg1 Ke8 26.Rf1+-) 25.Qb3 (25.Bd5 Rd8 26.Be4 Qf4+=) 25...Qe7 (25...b5 26.Rf1 Qe7 27.Be6+=) 26.Rg1+= Kh8 27.Qg3 Bf6 28.Qf4 Bg7 (28...Rc8 29.Ba2 (29.Qe4?? Rc4 30.Qd3 Rc8-+) 29...Be5 30.de5+=) 29.Qe4 Re8 30.Bd3 Bf6?? (better 30...Be5 31.de5 Qd7+=) 31.Rg6+- Ng8 (31...Qe6 32.Rf6! Qh3 33.Kg1 Rg8 34.Kf2 Qg3 35.Ke2 Qh2 36.Rf2 Qh5 37.Kd2 Qg5 38.Kd1 Rg7 39.Rf8 Ng8 40.Nf7 Rf7 41.Rf7 Qh5 42.Rf3 b6+-) 32.h6 Qc7 (32...Be5 33.Rg7! Nf6 34.Re7 Re7+-) 33.Rg7! Qc1 (33...Bg7 34.Qh7) 34.Rg1 (34.Kh2 Qd2 35.Kg3 Bh4 36.Qh4 Qe1 37.Kh2 Qd2 38.Rg2 Rf8 39.Rd2 Nf6 40.Qg5 Ne8 41.Qe7 Rf2 42.Rf2 Nd6 43.Qh7) 34...Qc7 35.Ng6! hg6 36.Qe8 Bd4 37.h7 (37.Rg6?! Qc1 38.Kg2 Qg1 39.Kf3 Qf2 40.Kg4 Qg2 41.Kf4 Qf2 42.Kg4 Qg2 43.Kf5 Qh3 44.Kf4 Qh4 45.Kf3 Qf2 46.Kg4 Qg2 47.Kf4 Qd2 48.Kg4 Qg2 49.Kf4 Qd2 50.Kg4 Qg2=) 37...Qh7 38.Rg3 Qe7 (38...Qh5+-) 39.Qe7 (39.Qg6!? Qe1 40.Kh2 Qd2 41.Rg2 Qf4 42.Qg3+-) 39...Ne7+= 40.Bg6 Ng6 41.Rg6 b6 (41...Bc5!?+=) 42.Rd6+- Bc5 43.Rd7 b5 (43...a5 44.Ra7+-) 44.Rc7+- Bd4 (44...Bb4 45.Kg2+-) 45.Rb7 (45.Kg2 b4+-) 45...Bc3 (45...Kg8 46.Kg2+-) 46.Rb6 b4 47.Ra6 b3 48.Rb6 (48.Ra7 b2 49.Rb7 Kg8+-) 48...b2 49.Rb7 (49.Kg2 Kg7+-) 49...Bg7 (49...Be5 50.Kg2+-) 50.Kg2 (50.Kg1 Kh7+-) 50...Kh7 (50...Be5 51.Kf3+-) 51.Kf3 Kg6 (51...Kh6 52.Rb5+-) 52.Kg4 (52.Rb5 Be5+-) 52...Bd4 (better 52...Bh8+-) 53.h4 (better 53.Rb5!?+-) 53...Kh6+= 54.h5 (54.Rb5 Kg6+=) 54...Bc3 (54...Bf6 55.Rb6 Kh7 56.Kf4+=) 55.Rb6 Kh7 56.Kg5 Bd2? (better 56...Bd4 57.Rb8 Bc3+=) 57.Kf5+- Bc3 58.Ke4 Bg7 (58...Kg7 59.Kd3 Be5 60.Rg6 Kf7 61.Kc2+-) 59.Rb2 ½–½. Williams,Simon K (2435) – Dragun,Kamil (2560), London Classic Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.c3 Be7 10.d4 ed4 11.Bf4 Kf8 12.Nc7 Rb8 13.Nd4 Bf6=.

    9.c3 Be7 10.d4 ed4 11.Bf4 Kf8 12.Nfd4 Nd4 13.Qd4 Qd4 14.cd4 Bf5=.

    9.c3+= Be7 10.d4 e4 11.Ng5 Bf5 +=.

    9.Bc4 Nf6 10.c3 Be7 (10...Bc5 11.d4 ed4 12.Qe2 Kf8 13.cd4 Bb4 14.Bd2 Bd2 15.Qd2+=) 11.0-0 (better is 11.Ng5!? 0-0 12.Qb3=) 11...0-0 12.d4 ed4 13.cd4 Bg4 14.Be3 a6 15.Na3 b5 16.Be2 Nd5 17.Qd3 Qd7 18.Rfc1 Bf5 19.Qb3 Rfc8 20.Nc2 Qd6 21.Bd3 Be6 22.Qb2 h6 23.Bd2 Bf6 24.Be4 Nb6 25.Bc6 Nc4 26.Qb4 (26.Ba8 Nb2 27.Bb7 Nd3 28.Bc8 Bc8-+) 26...Qc6 27.Na3 Qd7 (27...Bd5!? 28.Be3-+) 28.Nc4-/+ Bc4 29.Bc3 Bd5 30.Ne5 Qb7 31.f3 Rc7 32.Qb2 Rac8 33.Nd3?? Rc3! (33...Rc3 34.Ne5 Qb6-+) 0–1. Burke,Paul – Forbes,Gerry, Vancouver inv, 1987. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nc6)

    7.Na3 Nf6

    8.Nb5 Qe4 9.Be2= Nd5 10.Ra7 Ra7=+ 11.Na7 Bd7 12.0-0 Nf4 13.Re1? Qg6-+ 14.g3 Nh3 15.Kg2 Qb6 16.Rf1 Qa7 17.Ne5 Ng5 18.Nd7 Nd7 19.f4 Ne6 20.f5 Ng5 21.d4 Be7 22.Re1 Qa5 23.Bg4 f6 24.h4 Nf7 25.Qe2= Qd8 26.Ba3+= Nde5 27.Be7 Qd4= 28.Ba3 Qa4 29.Bb2 0-0 30.Bh5 Rc8=+ 31.Bf7 Nf7 32.Kg1 h6 33.c3 Rd8 34.c4 ½–½. Richard,Andy – Furnari,Tom, IECC, 2000.

    8.c4 Qc5 9.Be2 0-0 10.0-0 Rd8 11.d3 Nc6 12.Be3 Qe7 13.Nc2 Bg4 14.Nb4 Qb4 15.Bg5 Rd6 16.Rb1=+ Qa3 17.Nh4 Be2-/+ 18.Qe2 b6 19.Nf5 Re6 20.Bf6 Rf6 (20...Rf6 21.Ra1 Qc5-/+; < 20...gf6 21.Qg4 Kf8 22.Qg7 Ke8 23.Qh7+-) 0–1. Kenyon,Michael – Takeuchi,Toshi, IECC, 1995.

    8.Bc4 Qc5 9.c3 Ba3 10.Qa4 Bd7 11.Ba3 Qc7 12.Qb3 Bc6 (better is 12...Bf5=) 13.Ng5+/- Bg2 14.Bf7 Kd7 15.Rg1 Be4? (15...Bc6+-) 16.Ne4 (16.Ne4 Ne4 17.Rg7+-) 1–0. Laurencena – Echepetelecu, corr ARG th, 1975. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Bc4 Qc5 9.Qe2 0-0 10.0-0?? (better is 10.c3 Ba5 11.Nb5= (11.Qe5?? Re8 12.Qe8 Ne8-+)) 10...e4-+ 11.Ne1 Bg4 12.Qe3 Ba3 13.Ba3 Qc4 14.Bf8 Kf8 15.Ra7 Ra7 16.Qa7 Qc7 17.f3 Bc8 18.d3 ef3 19.Nf3 Na6 20.Qf2 b5 21.d4 Qc6 22.Qd2 Bb7 23.Ne5 Qd5 24.c3 Nc5! 25.Rf3 Ne6 26.Rf5 Qe4 27.Rf2 b4! 28.cb4 Ba6 29.b5 Qb1 30.Rf1 Qb5 31.Ra1 Bb7 32.Rf1 h6 33.Qf2 Qd5 34.Nf3 Nf4 35.Qd2 g5 36.Rb1 Kg7 37.Qb4 Bc6 38.Qc5 Qa2 39.Nd2 Qd2 40.Qc6 N6d5 (40...N6d5 41.Qd5 Nd5-+) 0–1. Kover,Warner Bruce – Correa Rodrigues,Amauri, BRA corr Brazil, 1986. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Bc4 Qc5 9.Qe2 0-0 10.c3 e4 11.cb4 ef3 12.bc5 fe2 13.Bb2 Nc6 14.Bf6 gf6 15.Nb5 (worse is 15.Be2 Nd4 16.Bb5 Nb3+=) 15...Bd7 16.Be2 Nb4 17.0-0 (17.Ra7? Bb5 18.Ra8 Ra8 19.Bb5 Ra1 20.Ke2 Rh1-+) 17...Bb5 18.Bb5 a5 19.Rfd1 Rfd8 20.d4 f5 21.Rd2 Rac8 22.Rad1 Kg7 23.Kf1 h6 24.Be2 Rc7 25.Bf3 ½–½. Siats,Norbert – Knorr,Bernd, TT/4303 corr BdF, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Bc4 Qc5 9.Qe2 0-0 10.Ne5 Nc6 11.Nd3 Qb6 -/+.

    8.Bc4 Qe4 9.Be2 0-0 10.0-0 -/+.

    8.Bc4 Qe4 9.Be2 0-0 10.Nb5 Nc6 11.0-0 Bd7 (better is 11...Bg4-/+) 12.d3= Qg4 13.Ne5 Qf5 14.Nd7 Qd7 15.Bb2 Be7 16.Bf3 a6 17.Bc6 Qc6 18.Nd4 Qd7 19.Qf3 Rfe8 20.Nf5 Bd8 21.Rae1 a5 22.Re8 Ne8 23.Re1 Nf6 24.h4 a4 25.Ng7?? (better is 25.Nh6! gh6 26.Bf6 Bf6 27.Qf6+=) 25...Kg7-+ 26.Qg3 Kh8 27.Qg5 Qc6?? (27...a3 28.Bf6 Bf6 29.Qf6 Kg8+-) 28.Re3 a3 29.Rg3 (29.Rg3 Qg2 30.Kg2 ab2 31.Qg7) 1–0. Erkens,Ruediger – Krueger,Alfred, FRG–chT qual corr, 1991. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Bc4 Qe4 9.Kf1 0-0 10.d3 (10.c3 Be7-/+) 10...Qf5-+ 11.Nb5 Nc6 12.Nc7 (12.Bb2 Bd7-+) 12...Rb8 13.Nd5 Nd5 14.Bd5 Rd8 15.Bc6 bc6 16.Ra7?? (better 16.Bd2-+) 16...e4 17.Ng5 (17.Be3 ef3 18.Qf3 Qg6-+) 17...f6 18.Nh3 (18.g4 Qd5 19.Ne4 Qe4 20.de4 Rd1 21.Kg2 Bg4 22.Rd1 Bd1-+) 18...Bc5 (better 18...ed3 19.cd3 Re8 20.g4-+) 19.Ra4 (19.Ra1 ed3 20.Kg1 Qe4-+) 19...Rb1 20.d4 (20.Rg1 ed3 21.g4 d2 22.gf5 dc1Q 23.Qc1 Rc1 24.Kg2 Rc2-+) 20...Bd4! 21.c3 (21.Rd4 Rd4 Combination) 21...Qb5 22.c4 Rc1! 23.Qc1 (23.Qc1 Qa4 Deflection (23...Qa4 Overloading)) 23...Qa4 24.Nf4 Bb2 (24...Bb2 25.Qc3 Bc3 26.f3 Qd1 27.Kf2 e3 28.Ke3 Qd2 29.Ke4 f5) 0–1. Kumala,Aleksander – Orzech,Dominik, Atlas Polish Rapid Championship, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Bc4 Qe4 9.Kf1 Bg4 10.d3 Bf3 11.gf3 (11.de4?? Bd1 12.Nb5 Na6-+) 11...Qh4 12.Nb5 0-0 13.Nc7 Qh3 14.Kg1 Nc6 15.Bb2 Rad8 16.Nb5 a6 17.Na3 Nh5 (17...Nh5 18.Qf1 Qf3-+) 0–1. Rolle,H – Brachtel,Ralph dr, TT/4301 corr BdF, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Nb5 0-0??

    9.Nc7 Qc5 10.Na8 e4 11.c3 ef3= 12.Qf3?? (better 12.gf3 Bf5 13.Be2=) 12...Re8-+ 13.Be2 Bg4 14.cb4 Qd4 15.Ra3 (15.Bb2 Qb2 16.Qc3 Re2 17.Kf1 Rf2 18.Kg1 Rd2 19.Qb2 Rb2 20.h3-+) 15...Bf3 (15...Re2?! 16.Qe2 Be2 17.Ke2-+) 16.gf3 Qc4 (16...Qc4 17.0-0 Qe2-+) 0-1. Tymms,Jonathan DM - Brett,A (2085), 4NCL Online Div1, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    9.Nc7 Qc5 10.Na8 e4 11.Nd4 Qd4= 12.c3 Qe5 13.Qb3 Bc5 14.Be2 Nc6 15.0-0 Bg4 16.Bg4 (better is 16.Bc4-+) 16...Ng4 17.g3 Qh5 (17...Ra8?! 18.Qb7 Qe8 19.Qb5-+) 18.h4 Nf2 (18...Ra8?! 19.Qb7 Rf8 20.Qc6+=) 19.d4 ed3 (19...Ra8 20.Qb7 Nh3 21.Kh1+/-) 20.Ba3 (20.Rf2 Qf3 21.Qa2 Qg3 22.Kf1 Qh3 23.Kg1 Ne5 24.Qe2 de2 25.Be3 Be3 26.Ra7 e1Q) 20...Qf3 21.Kh2 Ne5 (21...Ne5 22.Qa4 Neg4 23.Qg4 Ng4 24.Kh3 Bf2-+; 21...Ra8?! 22.Bc5 Ne5 23.Bf2 Ng4 24.Kg1 Nf2 25.Rf2 Qg3 26.Rg2 Qe3 27.Kh2 Qf4 28.Kg1 Qe3 29.Kh1 Qh3 30.Kg1 Qe3=) 0–1. Alves,Joaquim Fabiano – Halfpap,Luiz Carlos, BRA–ch3 corr, 1980. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    9.Nc7 Qc5 10.Na8 e4 11.Ng1 Re8? (better is 11...e3 12.fe3 Qe3 13.Qe2 Qc5+/-) 12.Bb2?? (12.c3 Nc6 13.Nc7+- (13.cb4?! Nb4 14.Nc7 Qc7=)) 12...e3-+ 13.Be2 (13.Bd3 ef2 14.Kf1 fg1Q 15.Rg1-+) 13...ef2 (better is 13...ed2 14.Qd2 Bd2 15.Kd2 Qb4 16.Kc1 Qe1 17.Bd1 Rd8-+) 14.Kf1-/+ fg1Q (14...fg1B?! 15.Rg1 Ne4 16.d4-+) 15.Rg1 Ne4 (15...Ne4 16.d4 Qe7-+) 0–1. Brooks – Wall, Thailand, 1973. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    9.Nc7 Qc5 10.Na8 e4 11.Ng1 Ng4 12.Nh3 e3 13.Bd3 Nf2 14.Nf2 ef2 15.Kf1 Re8 16.Bb2 Re1 17.Qe1 fe1Q 18.Re1 Be6 19.Re4 Bd2 20.Ke2 Ba5 21.Ra1 Nc6 22.Kf1 a6 23.Rf4 Qa7 24.Rh4 h6 25.Ra5 Na5 (25...Qa8?! 26.Ra1-+) 26.Nc7 Qb6 27.Ne6 Qb2 28.Nd4 Nc6 29.Re4 Kf8 (29...Kf8 30.Nc6 Qf6 31.Ke1 Qc6-+) 0–1. Madsen,John Grydholt – Barfoed,Erik, DEN–ch corr Denmark, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Na3 Nf6)

    9.Nc7 Qe4 10.Qe2 Qc2 11.Na8+/-.

    9.Be2?? e4 10.Nfd4 Nc6 11.Nc6 bc6 12.Ba3 Ba3 13.Na3 Qg5 14.Kf1 Be6 15.Nc4 Bc4 16.Bc4 Rad8 17.d3 Ng4 18.Qe1 ed3 19.cd3 Rfe8 20.Qc3 Qf4 21.f3 Ne3 22.Kf2 Ng2 23.Rhf1 Ne3 24.Bf7 Qf7 25.Rg1 Rd7 26.Qc6 Rc7 27.Rg7 Kg7 28.Rg1 Kh8 (28...Kh8 29.Qa4 Rc2 30.Qc2 Nc2-+) 0–1. Rossetto,Hector – Iliesco,Juan Traian, Mar del Plata (11), 1944.

    7.Bb2 Nc6

    8.Na3 Nf6 9.Bc4 Qc5 10.Ng5 (10.Qe2 0-0 11.c3 Ba5-/+) 10...0-0-+ 11.Bd3 e4 (11...e4 12.Ne4 Ne4 13.Be4 Re8-+) 0–1. DarkKnightsPawn (2195) – juliangon (2645), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    8.Na3 Nf6 9.Nc4 0-0 10.Nb6 ab6 11.Ra8= e4 12.Bf6?? ef3-+ 13.gf3 Re8 14.Be2 Qf3 15.Rg1 Qf6 16.c3 Bc5 17.d4 Nd4! 18.cd4 Bb4 (18...Bb4 19.Kf1 Bh3 20.Rg2 Ra8-+) 0–1. Talon,A (2030) – Farrand,T (2275), 32nd Taminco Open, Ghent BEL, 2009.

    8.Na3 Bg4 9.Be2 Nge7 10.Nb5=+ Qd7 11.0-0 0-0 12.Ne5= Ne5 13.Be5 Be2 14.Qe2 Ng6 15.Bb2 a6 16.Nd4 Rac8 17.Qf3 ½–½. Barczay,Laszlo – Bilek,Istvan, HUN–ch Budapest (4), 1958.

    8.Na3 Bg4 9.Be2 Nf6 10.Nb5 Rc8 (better is 10...Kd8-/+) 11.0-0? (better is 11.Na7 Na7 12.Ra7=) 11...Bf3-+ 12.gf3 Nh5 (12...a6 13.Nc3 Qd4 14.Bd3-+) 13.c4 (13.Na7 Na7 14.Ra7 A) 14...Bd2?! 15.c4 Qd8 16.Qa4 Kf8 17.Rd1= (17.Rb7? Nf4 18.Kh1 Ne2-/+); B) 14...Nf4-/+) 13...Qe6 14.Kh1 (14.Na7!? Nf4 15.Kh1-+) 14...Bc5 15.d4 Nd4 16.Nd4 ed4 17.Bd4 Bd4 18.Qd4 0-0 (18...Qe2? 19.Rfe1 Qe6 20.Qd6+-) 19.Rfe1 a6 20.Bd3 Qc6 21.Be4 Qc4 22.Qc4 Rc4 23.Bb7 Rc2 24.Rf1 Nf4 25.Ba6 h6 26.Rac1 Rc1 27.Rc1 Rd8 28.Rc8 Rc8 29.Bc8 Kf8 30.h4 Ng6 31.Kh2 Nh4 32.Kg3 Ng6 33.f4 Ke7 34.Kg4 Kf6 35.Ba6 Ne7 36.Bc4 g6 37.Bb3 Nf5 38.Bc4 Nd6 39.Ba2 Ne4 40.Kf3 Nd6 41.Bb3?? Kf5 42.Bc2 Kf6 43.Bb3 Ke7 44.Ba2 f5 45.Bd5 Kd7 46.Ke3 Nc8 47.Bf7 Ne7 48.Kd4 Kd6 49.Be8 Ke6 50.Bb5 g5 51.fg5-/+ hg5 52.Be8 Kf6 53.Bd7 Ng6 54.Ba4 Nf4 55.Bc2 Ne6 56.Ke3 Ke5 57.f3 Nf4 58.Bb3 Nd5 59.Kf2 Kd4 60.Kg3 Ne3 61.Be6 f4 62.Kf2 Kd3 63.Bc8 Kd2 64.Bb7 Nc4 65.Bd5 Ne5 66.Bb7 Nd3 67.Kg2 Ke3 68.Kf1 Ne5 69.Kg2 Ng6 70.Kh3 Ne5 71.Kg2 Ke2 72.Ba6 Ke1 73.Bb5 Nf7 74.Bc6 Nh6 75.Kh3 Kf2 76.Bb7 ½–½. Arganian,DG – Quigley,Lawrence (2200), East Lansing–ch MI M/X, 1981. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4)

    8.Nc3 Bc3 9.Bc3 Nge7 10.Rb1 Qe4 11.Be2 Nd5 12.0-0 Nc3 13.dc3 0-0 14.Bd3 Qf4 15.Re1 a5 16.Re4 Qf6 17.Ra4 Rd8 18.Qe2 Qe7 19.Rb5 f6 20.Nd2 Qc7 21.Qh5 f5! 22.Nf3 (22.Bf5 Qf7) 22...g6 23.Qg5 e4 24.Bc4 Kg7 25.Nd2 b6 26.h3 h6 27.Qe3 Ne5 28.f4 Nd7 29.Ba2 Nc5 30.Rd4 Bd7 31.Rb1 Be6 32.Nc4 Kh7 33.Rb2 Bc4 34.Bc4 Rd4 35.Qd4 Rd8 (35...Qf4 36.Rb6 Qc7 37.Qf6+/-) 36.Qe5 Qe5 37.fe5 Na4 38.Rb5 Kg7 39.Kf1 Rd1 40.Kf2 Rd2 41.Ke1 Rg2 42.Rd5 Nc3 (42...Rc2?! 43.Bb3 Rc1 44.Kd2-+) 43.Rd7 Kf8 0–1. Munoz Portugal,Guillermo – Migliorini,Roberto, Liape tt op email, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.Bb2 Nc6)

    8.Nc3 Bc3 9.Bc3 Nge7 10.d4 ed4 11.Nd4 0-0 12.Nb5 Bf5 13.Qd5 Nd5 14.0-0-0 Nc3 15.Nc3 Rfd8 16.Bd3 Bd3 17.Rd3 Rd3 18.cd3 Rd8 19.Rd1 a6 20.Kb2 b5 21.Ne2 Kf8 22.d4 Ke8 23.Ka3 Rd5 24.h4 a5 25.Rd3 Kd7 26.Rg3 g6 27.Rf3 Ke8 28.g4? Nd4 29.Nd4 Rd4 30.Re3 Kd7 31.f3 Kd6 32.Kb3 h5 33.Kc3 Rc4 (33...Rc4 34.Kd2 a4-+) 0–1. Leon Ayllon,Francisco – Vieito Soria,Luis M (1795), VI Campeonato de Espana por Equipos, 2d, 2005.

    8.Nc3 Bc3 9.Bc3 Nge7 10.Be2 0-0 0–1. Simoes,Guilherme – Grabner,Helmut (2405), ICCF EM/J50/P071 ICCF Email, 2001.

    7.c3 Bc5

    8.Na3 Ba3 9.Ba3 Nc6 10.Qa4 Bd7 11.Bc4 Qe4 12.Kf1 Qf4 13.Re1 Nge7 14.Be7 Ne7 15.Qb3 e4 16.Qb7 Bc6 17.Bb5 0-0 18.Bc6 Nc6 19.Qc6 ef3 20.Qf3 Qd2 21.g3 Rac8 22.Re3 a5 23.Kg2 Qb2 24.Rd1 a4 25.Rd7 a3 26.Rb7 Qc1 27.Ree7 Qc3 28.Re3 ½–½. McDonald,Graham (1625) – Boettcher,Fred (1665), IECG, 2002.

    8.Na3 Ba3 9.Ba3=+ Nc6 10.d4 ed4 11.Nd4 Nge7 12.Be2 Nd4 13.cd4 Qa5 14.Kf1 Qd8 15.Qa4 Bd7 16.Qb4 Rb8 17.Re1 a5 18.Qd6 b5 19.Bh5 b4 20.Re7! Qe7 21.Qb8 Qd8 22.Qd8 Kd8 23.Bc1 Re8 24.f4 Re4 25.Kf2 g6 26.Be2 Kc7 27.Rd1 a4 28.Kf3 f5 29.Rd2 Kd6 30.g3 Kd5= 31.Kf2 Rd4 32.Rc2 a3 33.Bf3 Ke6 34.Ke3 Rd6= 35.Rd2 Bc6 36.Bd1 Rd2 37.Kd2 Kd5 38.Bb3 Kd4= 39.Bg8 Bd5 40.Bh7 Bf7 41.h4 Ke4 ½–½. Lutz,Klaus Juergen (2270) – Wege,Jochen, Wiesbaden op, 1992.

    8.Na3 a6 9.Nb5=+ Bb6 10.Bc4= Qc5 11.d4+/- ed4? 12.Ba3+- ab5 13.Bc5 (13.Bc5 Ra1 14.Qa1 Bc5 15.Bb5 Nd7 16.0-0+- (16.Nd4?! Ngf6+-)) 1–0. Neumann,Ulrich (1690) – Lacey,Edward (1900), IECC, 2000.

    8.Bb5 Bd7 9.Na3 Nf6 10.0-0 0-0 11.Bc4+= Qd6 12.d4 ed4 13.cd4 Bb4 14.Qb3 Nc6 15.Nc2 a5 16.Nb4 Nb4 (worse is 16...ab4 17.Bf7 Kh8 18.Ra8 Ra8 19.Bb2+=) 17.Ba3 Be6 18.Be6 Qe6 19.Qe6 fe6 20.Ng5 Ra6 21.Bb4 ab4 22.Rfe1 Nd5 (22...Re8 23.Rab1+=) 23.Ne6= Re8 24.Nc5 Re1 25.Re1 Ra3 26.Nb7 b3 27.Nd6 g6 28.Nc4 Ra4 29.Nd2 b2 30.Nb1 Rd4 31.Kf1 Rc4 32.Ke2 (32.g3!?-/+) 32...Rc2-+ 33.Kf3 (33.Kd3 Rf2 34.Rd1 Nf4 35.Kc3 Rg2 36.Rd8 Kg7 37.Rd7 Kf6-/+) 33...Nc3 (33...Rc1 34.Ke2 Rb1 35.Rb1 Nc3 36.Kd2 Nb1 37.Kc2-+) 34.Re8 (34.Na3 Rc1 35.Re8 Kf7 36.Rb8-+) 34...Kf7 35.Rc8 Nb1 36.Rc2 Nd2!! 37.Rd2 b1Q 38.Re2 (38.Rd7 Kf6 39.Rd2 Qb7 40.Kg3 Qc7 41.Kg4 Qc8 42.Kf3 Qc6 43.Ke3 Qg2-+) 38...Qf5 39.Kg3 g5 40.f3 Qf4 41.Kf2 Qh2 42.Re4 Kf6 43.Ra4 Qd6 44.g4 Qd2 45.Kg3 Qe1 46.Kg2 Qe2 47.Kg3 Qf1 48.Ra2 Qg1 49.Kh3 Ke5 50.Re2 Kf4 (50...Kf4 51.Re4 Kf3 52.Re3 Qe3 53.Kh2 Qd2 54.Kh3 Qg2) 0–1. Hamann,Carsten – Herrnkind,Martin, Schleswig Holstein–ch qual, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    8.Bb5 Bd7 9.Na3 Nf6 10.0-0 0-0 11.Bc4+= Qd6 12.Ne5 Qe5 13.d4 Qc7 14.dc5 Qc5 15.Bf4 Bc6 16.Qb3 Nbd7 17.Rfe1 Qf5 18.Bg3 Nc5 19.Qa2 Nfe4 20.Re3 Rad8 21.Rf1 Rd2 22.Qa1 Ng3 23.Rg3 Rfd8 24.Nb5 Bb5 25.Rf3 (25.Bb5 Ne4 26.Re3 Rf2 27.Bd3 Rf1 28.Qf1-+) 25...Qf3! (25...Bc4?! 26.Rf5 Bf1 27.Kf1 Rd1 28.Qd1 Rd1 29.Ke2-/+) 26.gf3 Bc4 27.Rb1 Ra2 0–1. Hamann,Carsten – Marxen,Peter (2265), Schleswig Holstein–chA, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    8.Bb5 Bd7 9.Na3 Nf6 10.0-0 e4!? 11.Bc4 Qh5 -+.

    8.Na3 Nc6 9.Nb5 Qd8

    10.Bc4 Nf6 11.0-0 0-0 12.d4 ed4 13.cd4 Bb6 (13...Bb4!? 14.Qb3 a6+=) 14.Ba3= Re8 (14...Bg4!? 15.Bf8 Kf8+=) 15.Nd6+/- Bg4?? (better is 15...Rf8+/-) 16.Bf7+- (16.Bf7 Kh8 17.Be8+- (17.Ne8?! Ne8 18.h3 Bf3 19.Qf3 Qd4+/-)) 1–0. Kessler – Cushing, Atlantic City, 1972. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    10.d4 ed4 11.Bf4 Bb6 12.Bc4 (12.cd4 Bg4 13.Be2 Bf3 14.Bf3 Nd4=+) 12...Be6 (12...Qe7!? 13.Kf1 Be6 14.Be6 fe6 15.Nfd4 Nd4 16.cd4 Rd8=+) 13.Be6= fe6 14.0-0 (14.Nd6 Kf8 15.Ng5 Qf6=) 14...Nf6 (better 14...dc3!? 15.Nd6 Kf8=+) 15.Nd6= Kf8 16.Ng5 (16.Nd4!? Nd4 17.cd4=) 16...Qd7=+ 17.Re1 e5 (17...dc3?? 18.Ne6 Qe6 19.Re6+-) 18.Be5 Ne5 19.Re5 Qd6 20.Qb3 Qd7 21.Ne6 Kg8 22.Nd8 Kf8 23.Qb4 (23.Qa3!? Kg8 24.Qa2 Kf8 25.Ne6 Kg8 26.Nc7 Kf8 27.Na8+-) 23...Kg8+= 24.Qc4 Kf8 25.Ne6 Kg8 26.Ng5 Kf8 27.Qb4 Kg8 28.Qc4 Kf8 29.Qb4 Kg8 30.Rae1?? (better 30.Qb6! h6 31.Qb3 Kf8 32.Qb4 Kg8 33.Re7 Qe7 34.Qe7 hg5 35.Qb7+-) 30...h6 31.Qc4 Kf8 32.Ne6 Kg8 33.Ng5 Kf8 34.Qb4 Kg8 35.Qb3 Kf8 36.Qb4 Kg8 ½-½. Williams,Si1 (2460) - Kraemer,Mart (2570), Titled Tuesday 4th May, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3)

    10.d4 ed4 11.Bf4 Qe7 12.Be2 Bb6 13.0-0 Be6 14.Nd6 Kf8 15.cd4 Nf6 16.Nc4= Bc7 17.Bc7 Qc7 18.Rc1 Nd5 19.Nce5 f6 20.Nc6 bc6 21.Bb5 Bd7 22.Qa4 Rc8 23.Rc5 Qb6 24.Rfc1?? cb5-+ 25.Rc8 Kf7 26.Qb3-/+ Rc8 27.Rc8 Bc8 28.Qd5 Be6 29.Qh5 Kf8 30.Qh7 b4 31.Qh8 Bg8 32.Qh3 Qc6 (32...Qc6 33.g4 Qe4-+) 0–1. Mordiglia,Riccardo (2015) – Esposito,Luca, Formia op, 1995.

    10.Qe2 Qe7 11.d4+/- ed4 12.Nc7+- Kd8 13.Qe7 Nge7 14.Na8 dc3 15.Bb5 Bg4 16.Be3+= Bb4 17.Ba7+- c2 18.Ke2 Bc3 19.Bb6 Kc8 20.Rac1 Nd5 21.Rc2 Kb8 22.Bc6 bc6 23.Ra2 Bb4 24.Raa1 Re8 25.Kd3 Bf5 26.Kc4 Bc3 27.Ra3 Bf6 28.Bd4 Be6 29.Rb1 (29.Rb1 Kc8 30.Bf6 Nf6 31.Kc5+-) 1–0. Neumann,Ulrich – Jobe,Tom (1625), IECC, 1998.

    10.Qe2 Nge7 11.Ne5 0-0 12.Nd3 Bb6 13.Ba3 Be6 14.Nf4 Qd7 15.Ne6 fe6 16.f3 Rfd8 17.Nd6 Nd5 18.Qe4 Nf6 19.Qc2 Rab8 20.Bc4 Bc7 21.Qa2 Kh8 22.Ne4 Ne4 23.fe4 Re8 24.Be2 b5 25.Rb1 a6 26.Bc5 Bb6 27.Bb6 Rb6 28.0-0 b4 29.Kh1 h6 30.cb4 Nb4 31.Qa5 Qd4 32.Bc4 Reb8 33.d3 e5 (33...Nd3 34.Ba6) ½–½. Trani,Francesco (1990) – Lacoste,Alain (2130), IECG, 1999.

    8.Na3 Bd7

    9.Nb5 A) 9...Bb5 10.Bb5 Nd7 (10...Kf8 11.d4 ed4 12.0-0 Nc6 13.Bc6 bc6 14.cd4 Bd6 15.Bd2 Nf6=; 10...Nc6 11.Qe2 Kf8 12.Bc4 Qd6 13.Ng5 Nd8 14.Ne4 Qg6 15.Nc5 Qg2+-; 10...Kd8 11.d4 ed4 12.0-0 Nc6 13.Bc6 Qc6 14.Qb3 f6 15.cd4 Bd6+=) 11.d4 ed4 12.0-0 Ngf6 13.Re1 Kf8 14.Bd7 Nd7 15.Nd4 Kg8=; B) 9...Kf8 10.d4 (10.Nc7 Bf2 11.Kf2 Qc5 12.d4 Qc7 13.Ne5 Qc3 14.Rb1 Nf6 15.Rb7 Be6+=) 10...Qe4 (10...Bb5 11.Bb5 ed4 12.0-0 Nc6 13.Be3 Bb6 14.Bc6 bc6 15.Bd4 Bd4=) 11.Be3 ed4 12.Nbd4 Nf6 13.Bd3 Qd5 14.0-0 Bg4 15.Qd2 Bf3=; C) 9...Kd8 10.d4 ed4 11.Nbd4 Nf6 12.Be2 Ne4 13.Qd3 Nc6 14.Be3 Nd4 15.Nd4 Re8+=.

    9.Bc4 Qe4 10.Qe2 Qe2 11.Ke2 Nc6 12.Nb5 Rc8 13.Ng5 a6 (13...Nd8 14.Ne4 Rc6 15.Bd5+/- (15.d3 Nf6+=) 15...Ne6+=) 14.Bf7 (better is 14.Nf7 ab5 15.Bb3+/- Ke7+/-) 14...Ke7+= 15.Bg8 Rhg8 (worse is 15...Rcg8 16.Ne4 Na7 17.Nc5 Bb5 18.Kd1=) 16.Ne4 ab5 17.Nc5 Be6 18.Ba3 Bd5 19.f3 (worse is 19.Nb7 b4 20.Bb2 Bg2=) 19...b6 20.Ne4 (better is 20.Na4! Ke6 21.Nb6+/-) 20...b4+= 21.Bb4 Nb4 22.cb4 Be4 23.fe4 Rc4 24.Ra7 Kd6 25.Ke3 Rb4 26.Rc1 Rb3 27.d3 Rd8 28.Rac7 Rd7= 29.R7c3 Rc3 30.Rc3 b5 31.Rc8 Rb7 32.d4 ed4 33.Kd4 b4 34.Rc2 b3 35.Rb2 Ke6 36.e5 Rb8 37.Kc3 Ke5 38.Re2 Kf4 39.Kb2 Rb7 40.Re1 h5 41.Re8 Rb5 42.Re2 h4 43.Re1 g5 44.Rf1 Ke3 45.Rf3 Ke2 46.Rf6 Rb4 47.h3 Rf4 48.Rd6 Kf1 49.Kb3 Kg2 50.Rd5 Rf3 51.Kc2 Rg3 (worse is 51...Kh3 52.Rg5 Rg3 53.Re5-+) 0–1. Krumova,Ani (1915) – Rysbayeva,Aigerim (2205), World Girls U20 Championship Czarna Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    9.Bc4 Qe4 10.Kf1 Bg4 11.Qa4 Kf8 12.Qb5 b6 13.d3 Qf5 14.Bd5 a6 15.Qb1 Ra7 +=.

    9.Bc4 Qe4 10.Kf1 Nh6 11.d4 ed4 12.cd4 Bb6 13.Bd3 Qe6 14.Nc4 0-0?? (better is 14...Bc7=) 15.d5!+- Qf6 (15...Qd5 16.Nb6) 16.Bg5 (16.Nb6?! Qb6 17.Be3 Qd6=) 16...Qc3 17.Nb6 ab6 18.Ra8 Ng4 (18...Bf5 19.Ne1+-) 19.h3 (better is 19.Qd2!? Qd2 20.Bd2 Nf6+-) 19...Ne5 20.Ne5 Qe5 21.Qd2 Bf5 22.Bf5 Qf5 23.Bf4 (better is 23.Kg1 h6 24.Be3+-) 23...Rc8 (23...Nd7 24.Rf8 Kf8+-) 24.Rb8 Qb1 25.Qe1 (25.Qe1 Qb5 26.Kg1 Rb8 27.Bb8+-) 1–0. Dounis,Alexandros (2200) – Rigopoulos Tsigkos,Alexandros (1980), Athens op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    9.Nc4 e4 10.Qe2 (10.d4 ef3 11.dc5 Qe6 12.Ne3 Qf6-/+) 10...Ne7 11.Nfe5 Be6 0–1. Massie,Lawrence – Vehre,John L Jr, USA corr, 1978. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    9.d4 A) 9...Qe4 10.Qe2 Qe2 11.Be2 ed4 12.Nb5 Bb5 13.Bb5 Nd7 14.cd4 Bd6 15.Kd1 a6+=; B) 9...Ba3 10.Ba3 (10.Ra3 ed4 11.cd4 Ne7 12.Bd3 Bg4 13.Qa4 Nd7 14.Bc4 Qc6 15.Qc6 bc6+=) 10...ed4 (10...Qe4 11.Be2 ed4 12.cd4 Bb5 13.Ra2 Bc4 14.Rb2 Bd5 15.0-0 Kd8+=) 11.cd4 Nf6 12.Be2 Qa5 13.Nd2 Ne4 14.Bd6 Qd2 15.Qd2 Nd2=; C) 9...ed4 10.Nb5 Bb5 (10...Qe4 11.Qe2 Qe2 12.Be2 Kd8 13.cd4 Bb4 14.Bd2 Bb5 15.Bb5 Bd2=; 10...Kd8 11.Nbd4 Nc6 12.Bg5 Nf6 13.Nc6 bc6 14.Qd5 cd5 15.Bf6 gf6+=; 10...Qe6 11.Be3 Qb6 12.Bd4 Nh6 13.Bc5 Qc5 14.Nd6 Ke7 15.Ne4 Qc7+=) 11.Bb5 Nc6 12.0-0 Nge7 13.cd4 Bd6 14.Qe2 0-0 15.Bc4 Qh5+=.

    8.Na3 Nf6

    9.d4 ed4 10.Nd4 (better is 10.Nb5!? Kd8 11.Nbd4= (worse is 11.Nfd4 Re8 12.Be3 Bd7+=)) 10...0-0 11.f3? (better is 11.Be3-/+) 11...Re8 (11...Qe5 12.Be2 Nd5 13.Bd2-+) 12.Be2 Nc6 13.Nab5 Qe5 14.Bb2 (14.Ra2 Nd5 15.Qd2 a6-+) 14...Nd5 15.0-0 Ne3 16.Qd2 Nf1 17.Bf1 Bf5 18.Kh1 Rad8 19.Nc6 bc6 20.Nd4 Qd6 21.Qg5 Bg6 22.Nb3 Be3 23.Qg4 Qe6 24.Qe6 Re6 25.g3 Bc2 26.Nd4 Bd4 27.cd4 Re7 28.Rc1 Ba4 29.Ba3 Re3 30.Bc5 Rde8 31.Kg1 Re1 32.Re1 Re1 33.Kf2 Ra1 34.Ba7 Bb5 35.Bb5 cb5 36.Bc5 f6 37.Ke3 Kf7 38.Ke4 Ke6 39.d5 Kd7 40.g4 g6 41.Bd4 Ra4 42.Kd3 Kd6 43.Bf6 Kd5 44.h4 Rf4 45.Bg5 Rf3 46.Kc2 Rg3 47.Kb2 Rg4 48.Kb3 Rg5! (48...Rg5 49.hg5 Ke4 50.Kb4 Kf4 51.Kb5 Kg5 52.Kc4 h5 53.Kd3 Kf4 54.Ke2 g5 55.Kf1 g4 56.Kg2 g3 57.Kf1 Kf3 58.Ke1 g2 59.Kd1 Ke3 60.Kc2 Kd4 61.Kd1 Kd3 62.Kc1 g1Q 63.Kb2 Qb6 64.Ka2 Kc2 65.Ka1 Qa5) 0–1. Aufmwasser,Guenter – Di Lazzaro,Gabriele (2035), Seefeld op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    9.Nb5 0-0

    10.Nc7? Bf2!-+ (10...Bf2 11.Kf2 Qc5 12.d4 Qc7 13.Ne5 Qc3-+) 0–1. De Santis,G (1975) – Mauro,Lucio (1850), ITA–ch17 cat1 corr, 1986. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6 9.Nb5 0-0)

    10.d4 Bb6 11.Ba3 Rd8 12.Be7 Re8 13.Nd6 Re7 14.Nc8 Re6 15.Nb6 ed4 16.Be2 Rb6 17.0-0 d3! 18.Qd3 Qd3 19.Bd3 Nc6 20.Rfe1 Rd8 21.Bc4 Rb2 22.Ne5 Ne5 23.Re5 Kf8 24.Re2 Rdd2 25.Rd2 Rd2 26.Kf1 a6 27.Ke1 Rc2 28.Ra3 Ne4 29.Bd5 Rc1 30.Ke2 Nc3 31.Kd2 Rd1 32.Kc3 Rd5 33.Rb3 Rc5 34.Kd4 Rc2 35.Ke3 b5 36.Ra3 Rc6 37.Kd4 Ke7 38.h4 b4 39.Ra2 Kd7 40.g4 b3 41.Rb2 Rb6 42.Kc4 a5 43.Rb3 Rb3 44.Kb3 Ke6 0–1. Neumann,Ulrich – Chvalovsky,Karel (1745), IECG, 2004.

    10.d4 Bb6 11.Ba3 Re8 12.Nd6= (worse is 12.Ne5 Nc6 13.f4 Qe4 14.Qe2 Qf4-+) 12...ed4 13.Ne8 Ne8 14.Bd3 Bg4 15.Qe2 Nf6 16.Bc4 Qh5 17.Rb1 (17.Be7 Bf3 18.gf3 Nbd7 (18...dc3? 19.Bf6 Nc6 20.Rg1+-) 19.cd4 Bd4-+) 17...Nbd7 18.Rb5 Bf3 19.gf3 Qh4 20.Bf7 Kf7 21.Qc4 Ke8 22.Qe6?? (22.Kd1 Kd8 23.Re1+/-) 22...Kd8-+ 23.Be7 Kc7?? (better is 23...Kc8 24.Qc4 Bc7 25.cd4 Qf4-+) 24.Qc4+- Nc5 25.Rc5 (25.Rc5 Kd7 26.Qf7+-) 1–0. Rabadan,Juan M – Nunez Casado,Francisco, LADAC corr Argentina, 1971. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    10.d4 Bb6 11.Ne5 Nc6 12.Qf3 Qe6 13.Qe2 Ne5 14.de5 Ng4 15.f4 (15.Nd4!? Qe5 16.Qe5 Ne5 17.Bg5-/+) 15...Bf2-+ 16.Kd2 Rd8 17.Nd6 Bc5 18.Ra5 Bb6 19.Rb5 Qa2 20.Ke1 Bf2 21.Kd1 Qa4 22.Qc2 Ne3 23.Be3 Bg4 (23...Bg4 24.Be2 Be2 25.Ke2 Qc2 26.Bd2 Bh4-+). Neumann,Ulrich – Meymuhin,Anatoliy (1800), IECG, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    10.d4 ed4 11.Nc7 Qd6 12.Na8 Re8 13.Be2 d3 14.Be3 Bf5 15.Nd4 (better is 15.Ra5 Na6 16.Nh4=) 15...Bd4-/+ 16.cd4 de2 17.Qe2 Nc6 18.Qb5 (18.0-0 Ra8 19.Qb5-+) 18...Nd4 (18...Ra8?! 19.Qf5 Qb4 20.Ke2 Qb2 21.Kf3 Nd4 22.Bd4 Qd4 23.Rhe1+=) 19.Qe8 Ne8 20.Bd4 Qb4 21.Ke2 Qc4 (21...Qc4 22.Ke1 Qd4-+) 0–1. Gutmann,Manfred – Kick,Joachim, Baden–ch HT Zell, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    10.Qe2? Bb6 11.Ne5 Re8 12.d4 Nc6 13.f4 Bg4 14.Qd2? (better is 14.Qd3!?-/+) 14...a6 (14...Ne5 15.fe5 Re5 16.de5-+) 15.h3 (15.Na3 Ne5 16.fe5 Re5 17.de5-+) 15...Bh5 (15...Ne5?! 16.fe5 Rad8 17.hg4 Re5 18.de5 Qe5 19.Kd1 Rd2 20.Bd2 Ng4 21.Kc2-/+; 15...ab5 16.Ra8 Ra8 17.hg4 Nd4 18.Bd3-+) 16.Na3 Nd4! 17.Qe3 Nc2!! (17...Nc2 18.Nc2 Qd1 19.Kf2 Qc2 20.Kg3 Be3 21.Be3 Ne4 22.Kh4 Qc3-+) 0–1. Bercovich,Mervin – Osbun,Erik D, Casual postal, 1957. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    10.Be2 Bb6-/+ 11.Ba3 Rd8 12.c4 Qc6 13.c5 Bc7 14.0-0 Nbd7 15.d4 e4 16.Ng5 h6 17.Nf7 Kf7 18.Bc4 Kg6 19.d5 Nd5 20.Bd5 Qb5 21.Be4 (21.Be4 Kf6 22.Qf3 Ke7 23.c6 Bd6 24.cb7 Bb7 25.Bb7+-) 1–0. Rossetto,Hector – Iliesco,Juan Traian, Mar del Plata (12), 1943.

    10.Be2 e4 11.Nfd4? Qe5 12.0-0 Nc6 13.Nb3 (13.d3 Rd8-/+) 13...Be7 14.f3 (14.d4 ed3! 15.Bd3 Ng4-/+) 14...ef3-+ 15.Rf3 Ng4 (15...Bg4 16.d4 Qh5 17.Rf2 Qb5 18.Bg4 (18.Bb5?? Bd1 19.Rb2 Ne4-+) 18...Ng4 19.Qg4 Qb3 20.Bh6-+) 16.Rg3-/+ Nh2! 17.Re3 (17.Kh2 Bh4 Combination) 17...Qf4 18.d4 (18.d3!? Ng4 19.Bg4 Qg4 20.Qg4 Bg4 21.Na7-+) 18...Bh4-+ 19.Bf3? (better is 19.Re5 Qf2 20.Kh2 Ne5 21.de5 Bg3 22.Kh1 Be5 23.N3d4-+) 19...Ng4 (19...Nf3?! 20.Qf3 Qf3 21.Rf3-+) 20.Re4 Qh2 21.Kf1 f5 22.Rf4 Re8 (22...Re8 23.Bd5 Be6-+) 0–1. Balakanova,Bakhyt – Pak,Yevgeniy (2240), Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6 9.Nb5 0-0)

    9.Bc4 Qe4

    10.Be2 Bd7 11.0-0+= Ng4 (11...0-0!?+=) 12.d4= Be7 (better is 12...ed4!? 13.cd4 Bb6=) 13.Nb5 Qc6 14.de5 Qb6 15.Qd4 Bc5 16.Nd6 Kf8 (16...Qd6!? 17.ed6 Bd4 18.Nd4 Kd8+/-) 17.Qf4+- f6 18.Ne4 Ke8 19.Nc5 Qc5 20.Ba3 (20.e6!? Be6 21.Nd4 Nf2+-) 20...Qb6 (20...Qc7 21.Qg3 Rg8 22.e6 Qg3 23.ed7 (23.fg3?! Be6 24.Nd4 Bd7+=) 23...Nd7 24.hg3+-) 21.e6! Be6? (21...Qe6 22.Bc4 Decoy; 21...Be6 22.Rab1 Combination) 22.Rab1 (22.Rab1 g5 23.Qe4+-) 1–0. Drill,Frank J – Mitzkewicz, FRG–ch6J corr, 1982. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6 9.Bc4 Qe4)

    10.Be2 Bd7 11.Nc4 Nc6 12.Ne3 h6 13.0-0 g5 (better is 13...0-0!?-/+) 14.d3 Qh7 15.d4 ed4 16.cd4 Bb6 17.d5 Ne7 18.Bb2 (18.Bb2 Ne4 19.Bh8 Qh8 20.Qb3+/-) 1–0. Kreuter,B (1625) – Kleinsorgen,Horst M (2725), corr, 1982. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6 9.Bc4 Qe4)

    10.Be2 0-0

    11.0-0 Nc6 12.Re1 Bg4 13.Nc4? (better is 13.Rb1-/+) 13...Bf3-+ 14.gf3 Qg6 15.Kh1 Bf2 16.Rf1 Bb6 17.d4 ed4 18.Bd3 (better is 18.Rg1 Qh5 19.Nb6 ab6 20.Ra8 Ra8 21.cd4-+) 18...Qh5 19.Rg1 (19.Nb6 ab6 20.Ra8 Ra8 21.cd4-+) 19...Bc7 20.Qe2 dc3 21.Rg5 (21.Bg5 Nd7 22.Be4 Rfe8-+) 21...Rfe8 22.Qf2 Re1 (22...Re1 23.Rg1 Bh2 24.Qh2 Qf3 25.Qg2 Rg1 26.Kg1 Qd3-+) 0–1. Wendland,Frank – Brachtel,Ralph, GER theme, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    11.Nb5 Na6 12.0-0 Re8 13.d3 Qc6 14.d4 ed4 15.Nbd4 Qc7 16.Re1 Bg4 17.Be3 Nd5 18.Bd2 Bb6 19.Ba6 ba6 20.Qa4 Nf6 21.h3 Bf3 22.Nf3 Qc5 23.Be3 Qc3-/+ 24.Ra3 Qc8 25.Qa6 Rb8 26.Bb6 Re1 27.Ne1 ab6 28.Qc8 Rc8 29.Ra7 Nd5 30.Rd7 Nc7 31.Nf3 Kf8 32.Rd6 Rb8 33.Ne5 Re8 34.Rd7 Re5 35.Rc7 Re1 36.Kh2 Re7 37.Rc8 Re8 38.Rc4 b5 39.Rb4 Rb8 40.Re4 b4 41.Kg3 b3 42.Re1 b2 43.Rb1 Ke7 44.Kf3 Kf6 45.Ke3 Kg5 46.g3 Kf5 47.Kd3 h5 48.Kc2? g5 49.f3?? h4 50.gh4 gh4 51.f4 Rb7 0–1. Pinasco,Damian (1980) – Smilovici,Emil (1765), IECG, 2000.

    11.Nb5 Na6 12.0-0 Bg4 13.Ra4 Qf5 14.d4 Bf3 15.Bf3 e4 16.Be2 Rfd8 (16...Be7 17.f3 ef3 18.Rf3=) 17.Qc2 (17.f3 ef3 18.Bf3 Qd7=) 17...Bb6+= 18.f3 Nc7 19.fe4 Qe4 20.Bd3 Qh4 21.g3 Qh3 (21...Qg4!? 22.Rf6 gf6 23.Bh7 Kg7 24.Nc7 Bc7=) 22.Nc7+/- Bc7 23.Bg5 a5 24.Bf6 gf6 25.Rf6 Rd6 26.Bh7! Kg7 (26...Qh7) 27.Rf3 (27.Rd6 Bd6 28.Be4 Qd7+-) 27...Re8 28.Ra1 Rf6 (28...b5 29.Bd3 Qd7 30.Raf1+-) 29.Rf6 Kf6 30.Rf1 Kg7 31.Rf7! (31.Rf7 Kf7 32.Bg6 Ke7 33.Qe2 Qe6 34.Qe6 Ke6 35.Be8+-) 1–0. Porrasmaa,Timo – Kask,Elmar, FIN–EST/25 corr/Ks87, 1987. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    11.Nb5 Nc6 12.Ra4 Qb1?? 13.0-0?? (13.d4 Be6 14.Nd2+/- (14.dc5? Bb3 15.Qd2 Ba4-+)) 13...Bf5-+ 14.d3 (14.Na3!? Ba3 15.Ra3-+) 14...Qb5 15.d4 Qb1 16.dc5?? (16.Nd2 Qc2 17.dc5-+) 16…Bc2 (16...Bc2 17.Ra1 Bd1 18.Rb1 Be2-+) 0–1. Schumann,Thorsten – Wendland,Frank, GER theme, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    11.Nb5 Nc6 12.Ra4 Qf5 13.0-0 Nd5 (better is 13...e4!? 14.Ne1 Rd8-+) 14.d4+= ed4 15.Bd3 Qh5 16.cd4 Be7 17.Re1 Bg4 18.Be4 a6 (better is 18...Nb6!? 19.Ra1 Qb5 20.Bc6 Qc6 21.Re7 Nd5-+) 19.Bd5= ab5 (19...Qd5!? 20.Nc7 Bf3 21.gf3 Qf5 22.Na8 Ra8+=) 20.Ra8+= Ra8? (better is 20...Qd5!? 21.Rf8 Kf8+=) 21.Bc6+- (21.Bc6 bc6 22.Re7 Bf3 23.Qf3 Qf3 24.gf3+-) 1–0. Hurt,E – Middleton, USA year? corr, 1985. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.Na3 Nf6)

    11.Nb5 Nc6 12.Ra4 Qg6 13.0-0 Bg4 14.d4 -/+.

    8.d4 ed4

    9.cd4 Bb4 10.Bd2 Bd2 11.Qd2 Qe6 12.Ne5? Nh6?? 13.Bc4 Qb6 14.Nc3 0-0 15.Rb1 Qd8 16.0-0 Nd7 17.Nd5= Nf5 18.Rfd1 Nd6 19.h3 Nc4 20.Nc4 Nf6 21.Nf6 Qf6 22.Rb3 Be6 23.Rf3 Qf3 24.gf3 Bc4 25.Ra1 Rfd8 26.Qb4 b5 27.Qe7 Rd4 28.Ra7 Rad8 29.Kh2 h6 30.Rb7 Kh7 31.Qe5 R8d5 32.Qe3 Rd6 33.Rb8 Rh4 34.Qe8 Rf6 0–1. Ruhmke,Stephan (2235) – Schatz,Hans_Dieter (2235), RSS7E adv–91, 2009.

    9.cd4 Bb4 10.Bd2 Bd2 11.Nbd2 Qe6 12.Be2 Nf6 13.0-0 0-0 14.Bc4 Qd6 15.Qb3 Nc6 16.d5 Ne7 17.Rad1 (17.Rfe1!?+=) 17...a6-+ (17...Nfd5 18.Ne4 Qb6 19.Bd5 Qb3 20.Bb3+/-; 17...Ned5?! 18.Ne4 Ne4 19.Bd5+=) 18.Qd3 (18.Bd3 Ned5 19.Ne4 Qc7-+) 18...Bf5 (18...Ned5 19.Ne4 Qd7 20.Bd5 Nd5 21.Ne5+/-) 19.Qd4 b5 20.Bb3 Rad8 21.Ne5 Be6! 22.Ndf3 (22.de6 Qd4 Pinning (22...Qd4 Deflection)) 22...Bd5 23.Qh4 Ng6 (23...Bb3? 24.Rd6 Rd6 25.Qb4+-) 24.Ng6 hg6?? (24...fg6 25.Rfe1 Rde8 26.Re8 Re8 27.Qg5-+) 25.Ng5?? (better is 25.Bd5 Qc5 26.Bb3+-) 25...Qc6 26.Rd3 Bb3 27.Rh3 Nh5 28.g4?? Rd1 29.gh5 Rf1 30.Kf1 Qh1 31.Ke2 Bd1 32.Kd2 Bh5 33.Qf4 Qd1 34.Kc3 Rc8 35.Kb2 Rc2 36.Ka3 Qa1 37.Kb4 Qa4# 0–1. Shahidain,Sadik – Berg,Geo (2070), US Amateur Team–ch East, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    9.cd4 Bd6 10.Be2 Nf6 11.0-0 0-0 12.Nc3 Qe6 13.Nb5 Rd8 14.Ng5 Qd5 15.Nc3 Qf5 16.Bc4 Be6 17.Ne6 fe6 18.Qb3 Qh5 19.h3 b6 20.Re1 Nc6 21.Re6 Kh8 22.Nb5 Ne8 23.g4 Qh4 24.Qf3 a6 25.Re8! Re8 26.Nd6 Rf8 27.Nf7 (27.Nf7 Rf7 28.Bf7+- (28.Qc6?? Qf2 29.Kh1 Qe1 30.Kh2 Rf2 31.Qg2 Rg2 32.Kg2 a5-+); 27.Qc6 Qf2 28.Kh1 Qe1 29.Kh2 Rf2 30.Qg2 Rg2 31.Kg2 Rf8 32.Nf7 Rf7 33.Bf7 Qe4 34.Kf1 Qd4-+) 1–0. Baum,Hansjuergen (2265) – Blair,Matthew, IECG, 2008.

    9.cd4 Be7 10.Na3 Nf6 11.Nb5 Qd8 12.Bf4 (12.Ra7? Ra7 13.Na7 Qa5 14.Bd2 Qa7-+) 12...0-0 13.Bc4 Bb4 14.Kf1 a6 15.Ng5 Nc6 (15...ab5 16.Bf7 (worse is 16.Ra8 bc4 17.Rb8 Qd5+=) 16...Rf7 17.Ra8+/-) 16.Qb3 Qe7 17.Nc7 Ra7 (17...Nd4?! 18.Bf7 Rf7 19.Qf7 Qf7 20.Nf7=) 18.Qd3 g6 19.Rd1 b5 20.Nd5 Qd8 (20...bc4? 21.Ne7 Ne7 22.Qc4+-) 21.Nb4 Nb4 (21...bc4?! 22.Nc6 cd3 23.Nd8 Rd8 24.Rd3-/+) 22.Qb1 bc4 23.Qb4 Nd5 (23...Nd5 24.Qd2 c3-+ (24...Nf4?! 25.Qf4 Bf5 26.Kg1-+)) 0–1. Ottenweller,Wolfgang (1910) – Peto,Peter (2065), IECG, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5)

    9.cd4 Be7 10.Nc3 Bb4 11.Bd2 Bc3 12.Bc3 Nc6 13.Bd3 Nge7 14.0-0 0-0 (14...Bg4 15.Be2=+) 15.Rb1 (15.Qb1 Qh5=+) 15...a6 (15...Bf5 16.Re1=+) 16.Re1 Bf5 (16...Qh5 17.Qa4=+) 17.Rb7 (17.Bf5 Nf5 18.Rb7 Rfd8=+) 17...Bd3=+ 18.Qd3 Ne5 19.Qe4 Qe4 20.Re4 Nf3 21.gf3 Nd5 22.Bd2 f6 23.Re6 Rf7 24.Rb1 Rd7 25.Ra1 Nc7 26.Rc6 Kf7 (26...Rd4 27.Rc7 Rd2 28.Re1-/+) 27.Ra5 (27.Be3 Nb5=+) 27...Rb8 (27...Nb5 28.Be3-/+) 28.Bf4=+ Rb1 29.Kg2 Ne6 30.Be3 Nd4 31.Bd4 Rd4 32.Rc7 Kg6 33.Ra6 Rdd1 34.Raa7 Rg1 35.Kh3 Kh6 36.Rc4 Rb5 37.Rh4 Rh5 38.Rh5 Kh5 39.Ra4 (39.f4 f5=+) 39...f5 (39...Kg5 40.Rd4-/+) 40.f4=+ h6 41.f3 g5 (41...g6 42.Ra8=+) 42.fg5 (42.Ra5 Kg6=) 42...hg5=+ 43.Rg4 Rf1 44.Kg2 fg4 (44...Rd1 45.Ra4=+) 45.fg4= Kg4 46.Kf1 Kf3 47.h4 gh4 ½-½. Leisch,Lukas (2385) - Schreiner,Pe (2440), TCh-AUT, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3)

    9.cd4 Be7 10.Nbd2 Nf6 11.Bc4 Qf5 12.0-0 0-0 13.Ne5 Nc6 14.Bd3 Qe6 15.Bc4 Qf5 16.Bd3 Qe6 17.Bc4 Qf5 ½–½. Gudzovaty,Yury V – Minchev,Valentin P (2265), Danube/4 ICCF, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bc5 8.d4 ed4)

    9.cd4 Be7 10.Bd3 Bg4 11.Nc3 Qh5? 12.Nb5+/- Na6 13.0-0 Nf6 14.Re1+- (14.Re1 Kf8 15.Re5 Bf3 16.gf3+- (16.Qf3?! Qf3 17.gf3 Nb4=)) 1–0. Offenbach,Hans Carl (2335) – Offenbach/Holaus,V (???) (2285), remoteschach.de, 2010.

    7.c3 Bd6

    8.Na3 Ba3 9.Ba3 Nc6 10.d4 Bg4 11.Be2 ed4 (11...e4 A) 12.c4 Qd8 (12...Qh5 13.Ng1 Qa5 14.Kf1 Be2 15.Ne2 Qc7 16.Nc3 Rd8 17.d5 Ne5=; 12...Qf5 13.Ng1 Qa5 14.Kf1 Be2 15.Ne2 Qc7 16.Nc3 Rd8 17.d5 Ne5=; 12...Qd7 13.Ng5 Nf6 14.Bg4 Qg4 15.Qg4 Ng4 16.Ne4 Nd4 17.Nd6 Kd7+=) 13.Ng1 Qa5 14.Kf1 Be2 15.Qe2 Qf5 16.Rd1 Rd8 17.Nf3 Nf6-/+; B) 12.Nd2 Be2 13.Qe2 f5 14.0-0 Nf6 15.Rfb1 b6 16.Re1 Kf7 17.Nc4 Rhd8-/+) 12.Nd4 (12.cd4 Nge7 (12...Bf3 13.Bf3 Qe6 14.Be2 Qe4 15.0-0 Qd4 16.Re1 0-0-0 17.Qb3 Nf6+=) 13.0-0 0-0 14.Rb1 Rfd8 15.Rb7 Nf5 16.h3 Ncd4 17.hg4 Qb7+=; 12.0-0 d3 13.c4 Qd7 14.Bd3 0-0-0 15.Bb2 Nf6 16.Ra3 Nb4 17.Bf6 gf6+=) 12...Qg2 13.Rf1 Be2 (13...Nd4 14.Qd4 Nf6 15.Qd6 Qe4 16.f3 Bf3 17.Rf3 Nd7+-) 14.Qe2 Nce7 15.0-0-0? (better is 15.Nf5 Qg5 16.Qb5 Kf8 17.Qb7= Re8+=) 15...0-0-0?? (15...Qh3 16.Nb5 Kf8-/+ (16...Qh2?? 17.Rfe1 Qf4 18.Kb2+-)) 16.Be7+/- Ne7 17.Qe7 Qd5 18.Qa3 Kb8 19.Qb3 Qa5?? (better is 19...Qb3 20.Nb3 Kc7+/-) 20.Nc6+- (20.Nc6 Ka8 21.Na5 Rb8 22.Rd7 h6 23.Rb7 Rhe8 24.Rb8 Rb8 25.Qd5 Rb7 26.Qb7) 1–0. Adamowicz,Maciej (1975) – Obrusnik,Michal (2195), Chelm Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.Na3 Ba3 9.Ba3=+ Nc6 10.Be2 Nge7 11.d4=+ ed4 12.cd4 0-0 13.0-0 Rd8 14.Qc1 Be6 15.Rd1 Nf5 16.Bb2 a6 17.Qf4 Qd6 18.Qd2 Bd5 19.Ne5 Bb3 20.Nc6-/+ bc6 21.Rdb1 Bd5 22.Qg5 Qg6 23.Qg6= hg6 24.Bc3 a5 25.g4 Nh4 26.Ra5 Ra5 27.Ba5 Re8 28.Bd1 Ra8 29.Bd2 f6 30.Bf4 g5 31.Rb8 Rb8 32.Bb8 ½–½. Feller,J (2165) – Schmidt,Ger1 (2255), 17th Senior WCh (9), 2007.

    8.Na3 Bd7 9.Bc4 Qe4 10.Be2 Ne7 11.Nc4 Bc7 12.Ba3 Bb5 (12...Nf5 13.0-0 Qd5 14.Re1=) 13.Bd6 (13.Qb1!? Qb1 14.Rb1+=) 13...Bc4+= 14.Bc7 Be2 15.Qe2 Qe2 16.Ke2 f6 (16...e4!? 17.Ng5 Na6=) 17.Rhb1+= Nbc6 18.Rb7 Nd5 (18...g5!?+=) 19.Ra6+/- (19.Ra6 Nce7 20.Bd6+/-) 1–0. Hobson,J – Fillery,W.E. Frank, corr, 1949. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.Na3 Bd7 9.Bc4 Qe4 10.Kf1 Ba3 (10...Qg6 11.Qe2 Nc6 12.d4+=) 11.d3 (better is 11.Bf7!? Kd8 12.Ba3+=) 11...Qf5-/+ 12.Ba3 Nc6 (12...b5 13.Bd5 Bc6 14.Be4+=) 13.Qa4 Nge7 14.Re1 0-0 15.Bd6 (15.Qb5 a6 16.Qb7 Rfb8+=) 15...Rfe8-/+ 16.Qa3 Ng6 17.Bd5?? (better is 17.Re3-+) 17...Qd3 18.Kg1 Qd5 19.h4 Bg4 20.Ng5 Nf4 21.f3 Nd3 22.Rd1 Bf5 23.Kh2 Rad8 24.Ne4 Be4 25.fe4 Qd6 26.Qd6 Rd6 27.Rd2 Rdd8 28.Rb1 Nc5 29.Rd5 Rd5 30.ed5 Ne7 31.d6 Nc6 32.Rd1 Rd8 33.Rd5 Ne4 34.c4 Rd6 35.Rd6 Nd6 (35...Nd6 36.c5 Ne4-+) 0–1. Donoso Solzona,F – Sandoval Huertas,GG, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.Na3 Nf6 9.Nb5 Nc6 10.c4 Qe6 11.Nd6 Qd6 12.Ba3 Qc7 13.Be2 e4 14.Ng5 (14.Ng1 Ne5-/+) 14...h6-+ 15.Nh3 Bh3 16.gh3 0-0-0 17.Bc5 a6 18.Qb1 Qe5 19.Bb6 Rd7 20.Rg1 (20.Ra2 Nd4-+) 20...Nd4 (20...Qh2 21.Rg7 Qh1 22.Bf1-+) 21.Ra5? (better is 21.Bd4 Qd4 22.Rg7 Qd2 23.Kf1-/+) 21...Qh2 22.Rc5 Kb8 23.Rf1 Re8 (better is 23...Qh3 24.Re5 Qb3 25.Qb3 Nb3-+) 24.Ra5 Nf3 25.Bf3 ef3 26.Kd1 (26.Be3 Qc7 27.Qb4-+) 26...Re2 27.Be3 (27.Kc1 Qh3 28.Rd1 Red2 29.Re1-+) 27...Re3 28.Kc2 (28.Kc1 Red3 29.Qb4 Ne4-+) 28...Red3 (28...Qf4 29.Rc5 Qe4 30.Kc1 Re1 31.Re1 Qe1 32.Kb2 Rd2 33.Ka1 Qf2 34.Rd5 Nd5 35.Qc1 Nc3 36.Qd2 Qd2 37.c5 Qc1) 29.Rd1 Qf2 30.Qb4 Qd4 31.Kc1 f2 32.Ra2 Rc3! 33.Kb1 Rc4 34.Qf8 Rd8 (34...Rd8 35.Qa3 Rb4 36.Rb2 Qe4 37.d3 Rd3 38.Qd3 f1Q 39.Ka1 Qed3 40.Rf1 Qa3 41.Ra2 Qc3 42.Rb2 Qb2) 0–1. Grcic,Milan – Malpas,Geoffrey, ACT–ch Australia, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.Na3 Nf6 9.Nb5 Nc6 10.Bc4 Qe4 11.Be2 Bb8 12.Ra4 Qg6 13.d4 ed4 14.Ba3 (14.Nh4!? Qe4 15.Bg5-/+) 14...Ne4-+ 15.cd4 Qg2 Do you see the mate threat? 16.Rf1 f5 (16...Bh2 17.Nh2 Qh2 18.d5+-) 17.d5 Ne5 18.d6 (18.Bb2 Nf7-/+) 18...Nc6 19.Qd5 Nf6 (better 19...Kd8!?-/+) 20.Qc5=+ a7 seems the pivot of the position 20...Qg6 21.Rg1 Qf7 22.Bc4 Qh5 23.Ra6? (23.Ra6 Qf3 24.Rc6 Qe4 25.Kd1 bc6 26.Re1 Qe1 27.Ke1+-; better 23.Qe3 Kd8 24.Nc7=) 1–0. marekt (2435) – juliangon (2710), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.Na3 Nf6 9.Nb5 Ne4 10.c4 Qc6 11.Nd6 Nd6 12.Ne5+= Qe4 13.Qe2 0-0 14.Qe4 Ne4 15.d4 f6 16.Nf3 Re8 17.Be3 Nc6 18.Bd3 Nb4 19.Be4 Re4 20.Kd2 Bf5 21.Ra5 Bd7 22.Rb1 Nc6 23.Rd5 Bc8 24.Rc5 Ne7 25.Kd3 Rg4 26.Kc3 b6 27.Rc7+= Nf5 28.g3 Ne3 29.fe3 Bf5 30.Rb5+/- Bg6 31.d5 Re4 32.Kd2 Rae8 33.Rb3 R4e7 34.Re7 Re7 35.Nd4 Be8 36.Nf5 Rd7 37.Kc3 g6 38.Nd4 Re7 39.Kd3 f5 40.c5 Re5 41.c6 Rd5+= 42.Rc3 Rd8 43.Kc4 Kf7 44.Kb5 Rc8 45.Ka6 Rc7 46.Kb5 Ke7 47.Ka6 Bd7 48.Rc2 Be8 49.Rc3 ½–½. Prudnikova,E (2155) – Shaidullina,S (2275), TCh–RUS w Sochi RUS (8), 2007.

    8.Na3 Bg4 9.Qa4 Nc6?? 10.Qg4+- (10.Qg4 Bf8 11.Bc4+-) 1–0. steviousmattias – trilobite, ChessWorld.net, 2008.

    8.Na3 Bg4 9.Bc4 Qe4-/+ 10.Be2 a6 (better is 10...Bf3 11.gf3 Qg6-/+) 11.Nb5+= Kd7 (better is 11...Qc6!? 12.Qa4 Bd7+=) 12.Ra4 Qf5? (better is 12...Qd5 13.Nd6 Bf3 14.Bf3 Qd6 15.Bb7 Ra7+-) 13.Nd6+- Kd6 14.Ba3?? (better is 14.Nh4 Qf6 15.Rg4+-) 14...Kc7+= 15.0-0 Nf6 16.Qb3 Qe6 17.Bc4 Qe8?? 18.Bf7+- (18.Bf7 Qd8 19.Ne5+-) 1–0. High,Greg – Brandenburg,Joseph, NWC January, 1984. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.Na3 Bg4 9.Bc4 Qe4 10.Be2 Bf3 11.gf3 Qg6 12.Qb3 Ne7?? (better 12...Qg2 13.Rf1 Nd7=) 13.Qb7+- Ba3 (13...0-0 14.Qa8 Nbc6+-) 14.Bb5 Kf8 (14...Kd8 15.Ba3 Nc8 16.Qa8 a6 17.Qd5 Kc7 18.Qe5 Kd8 19.Qd4 Kc7+-) 15.Ba3 Qe6 (15...Kg8 16.Be7 h6+-) 16.Be7 Kg8 17.Ra6! Qf5 (17...Na6 18.Qa8 The nicest combinations are those leading to mate) 18.Rf6! gf6 (18...Qf6 Theme: Deflection from c8 19.Qc8 A beautiful mate combination) 19.Qc8!! Theme: Double Attack 19...Qc8 (19...Kg7 20.Qf5 h5 21.Bf6 Kg8 22.Rg1 Kf8 23.Qc8) 20.Rg1 A classical mating theme 20...Qg4 21.Rg4 (21.fg4?! a6 22.Ba4 Kg7+-) 1–0. juliangon (2675) – nimzo1 (1985), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.d4 Nc6 9.Nbd2 Nge7?? (9...ed4 10.Bc4 Qh5-/+) 10.Be2 (better 10.Bc4 ed4 11.Bd5 Nd5 12.Ne4+-) 10...e4 (better 10...ed4 11.Bc4 Qf5 12.Nd4 Qe5 13.Ne2 0-0-/+) 11.Bc4= Qf5 12.Qe2?? (12.Nh4 Qf4 13.g3 Qg4 14.Qg4 Bg4 15.Ne4 Bc7+=) 12...0-0?? (better 12...ef3 13.Qf3 Be6 14.Qf5 Bf5-+ (14...Nf5?! 15.d5-+)) 13.Ne4+= Bc7 14.0-0 Qg6 15.d5 Ne5 16.Ba3 Bf5? (16...Nf3 17.Qf3 Nf5+=) 17.Nfd2?? (better 17.Nh4 Qh6 18.Be7 Be4 19.Qe4+-) 17...Nc4= 18.Qc4 (18.Be7 Nd2 19.Nd2 Rfe8-+) 18...Rfc8 19.Qd3 Bf4 20.Be7 Bd2 21.Qd2 Be4 22.f3 Qb6 23.Kh1 Bf5 24.Rfe1 Qc7 25.Qg5 Qd7 26.Bf6 Bg6 27.Bd4 f6 28.Qg4 Qd5 29.Ra7 Bf5 30.Qh5 Qd7 31.Ra8 Ra8 32.Qh4 b5 33.Qf4 Rd8 34.h4 (34.Ra1 Re8=) 34...Bg6=+ 35.Bb6 Rc8 36.Bd4 h6 37.Re2 Kh7 38.Rb2 Re8 39.Qg3 Re6 40.Kh2 Qd5 41.Qf2 Qc4 42.Rb4 Qd3 43.Rb2 Qf5 (43...Re8 44.Rd2 Qc4 45.Qg3=+) 44.Qg3 (44.Re2 Rd6=) 44...Re8 45.Qf2 Re6 46.Rd2 (46.Qg3 Qh5=) 46...Kg8 (46...Qf4 47.Kg1=+) 47.Qg3 (47.Re2 Rd6=) 47...Re8 (47...Bf7 48.Ra2=) 48.Qf2 (48.Ra2 Kh7=) 48...Re6 (48...Qf4 49.g3 Qc7 50.Re2=+) 49.Re2= Qf4 50.Kg1 (50.g3 Qd6=) 50...Re2 (50...Rc6!?=+) 51.Qe2= Bf7 52.Qb5 Qh4 53.Qe2 h5 54.Qe7 Qf4 55.Qe3 Qb8 (55...Qe3 56.Be3 Bd5 57.Kh2=) 56.Qf2 (56.Qe4 Qe8=) 56...Qb5 57.Qg3 Qf5 58.Qb8 Kh7 59.Qc7 Qe6 60.Qf4 Bg6 61.Kh2 (61.Kf2 Kg8=) 61...Kg8 62.Qb8 Kh7 63.Qf4 Kg8 64.Qb8 Kh7 65.Qf4 ½–½. Urazayev,Arystanbek (2140) – Saiyn,Zhanat (2375), FIDE World Schools Championships – OU17, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.d4 Nc6 9.Be2 ed4 10.cd4 Bb4 11.Bd2 Qd6 12.0-0 Bd2 (12...Nd4? 13.Nd4 Qd4 14.Ra4+-) 13.Qd2 Nge7 14.Nc3 a5 15.d5 Nb4 16.Bb5 Kf8 17.Rfe1 b6 18.Re5 (18.Ne5!? Bf5 19.Nc4+=) 18...f6+= 19.Re3 Bg4 20.Rae1 Ra7 (worse is 20...Nbd5 21.Bc4 Rd8 22.Nd5 Nd5 23.Bd5 Bf3 24.gf3+-) 21.Be2 Qc5 (better is 21...Bd7=) 22.Nd4+- Bd7 23.Bf3 Ng6 (better is 23...Nc8!? 24.Ncb5! Nc2 25.Na7 Ne1+-) 24.Ncb5!! Ne5 (24...Bb5 25.Ne6 Double attack) 25.Rc3 (25.Rc1 Nc4 26.Rc4 Qc4 27.Na7 Kf7+-) 25...Qb5? (better is 25...Nf3 26.gf3 Qd5 27.Na7 Kf7+-) 26.Nb5 Bb5 27.Rc8 Be8 28.Bh5 1–0. Super Nova – Polgar 5 mhz, 6+5, 1990. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    8.d4 ed4 9.Be2 Nc6 10.0-0 Nf6 11.Nd4 0-0 12.Bf3 Qe5 13.g3 Nd4 14.cd4 Qf5 15.Ba3 Rd8 16.Bd6 Rd6 17.Nc3 a5 18.Re1 Qd7 19.d5 b5-/+ 20.Qe2 b4 21.Nb5 Rb6 22.Nc7 Rab8 23.Ra5 b3 24.Ne8= b2 25.Nf6 gf6 26.Rb1 Qc7 27.Ra4 Qc1=+ 28.Qf1 Qf1 29.Kf1 Bh3 30.Ke2 Re8 31.Re4 Rc8 32.Kd1 Bf5 0–1. Quigley,Daniel J (2130) – Pezikov,Evgeny Ivanovich, 3rd Webchess Open Tournament prel., 2008.

    8.Na3 Nc6

    9.Nb5 Bb8 10.Ra4 Nge7 11.Bc4 Qe4 12.Kf1 Qg6 13.d4 0-0 14.d5 Rd8 15.Ng5? (better is 15.Nh4!? Bg4 16.f3-/+) 15...h6-+ 16.h4 (16.Nf3-+) 16...hg5 17.hg5 (17.h5 Qb1 18.Na3 Qe4-+) 17...e4 (17...Bf5 18.Qe1 Bc2 19.Ra2 Nd5 20.Be2-+) 18.Qe1 (18.Bb3 Ne5 19.Qe2 Bd7-+ (worse is 19...Nd5 20.Re4 Bg4 21.f3-+)) 18...Nd5 19.Bd5 Rd5 20.Re4 Re5 21.f3 f5 (better is 21...Re4 22.fe4 Qe6-+) 22.Qh4 (22.gf6 Re4 23.Qe4 Qe4 24.fe4 gf6 25.Ba3-+) 22...fe4 (22...Rb5?? 23.Qh8 Kf7 24.Qe8) 23.Qh8 Kf7 24.Qc8 ef3 (24...ef3 25.Qd7 Ne7-+) 0–1. Rombaldoni,Andrea (2275) – Miladinovic,Igor (2595), Assisi op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6)

    9.Nb5 Bb8 10.d4 ed4 (10...Bg4 11.c4 Qe4 12.Be3 ed4 13.Nbd4 Nd4 14.Qd4 Bf3 15.gf3 Qd4 16.Bd4-/+) 11.cd4 (11.Nbd4 Nge7-/+) 11...Nge7 (11...Bg4 12.Nc3 Bf3 13.Nd5 Bd1 14.Kd1=+) 12.Nc3 Qe6 13.Be2 Nd5 14.Nd5 Qd5 15.Ba3 Bd6 16.Bd6 Qd6 17.d5 Ne7 18.Bb5 Bd7 19.Bd7 Qd7 20.d6 Qe6 21.Qe2 (21.Kf1!? Nc6 22.Ng5-/+) 21...Qd6-+ 22.0-0 0-0 23.Rfd1 Qf6 24.Ne5 Qe6 25.Qb2 Rfd8 (25...Rfe8 26.Re1 Ng6 27.Nf3-+) 26.Re1 (26.Qb7 Qe5 27.Re1 Qf6 28.Qe7 Qe7 29.Re7 Kf8-/+) 26...Qd5-+ 27.h3 Ng6 (27...a5 28.Ra3-+) 28.Nf3 (28.Ng6!? hg6 29.Re5-/+) 28...a5 29.Rab1 Rd7 30.Qc2 (30.Re2 a4-+) 30...a4 31.Rbd1 Qb5 32.Rb1 Qc6 33.Qa2 h6 (33...b5 34.Rb4-+) 34.h4 (34.Rb4 Ra5-+) 34...a3 (34...Nf4 35.Rbc1 Qd5 36.Qb1-+) 35.h5 (35.Rb3 Qc4 36.Ra1 Nh4 37.Nh4 Qh4 38.Ra3 Rad8-+) 35...Nf4 36.Rb4 (36.Rb3 Rd3 37.Rd3 Nd3 38.Re7 Qc1 39.Ne1-+) 36...Nd3 (36...Nh5?! 37.Rb3 Qc5 38.Reb1-+) 37.Rc4 (37.Rbb1 Ne1 38.Ne1 Qc5-+) 37...Qd5 (37...Ne1 38.Rc6 Nf3 39.gf3 bc6 40.Kh2-+) 38.Re3 (38.Ra1 b5 39.Rd4 Qa2 40.Ra2 Rd4 41.Nd4-+) 38...b5 39.Rg4 (39.Rd3 Qd3 40.Rc1-+) 39…Qa2 (39...Qa2 40.Rd3 Rd3-+) 0-1. Williams,Si1 (2460) - Kornyukov,A (2450), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3)

    9.Nb5 Bb8 10.Be2 Nf6 (10...e4 11.Nfd4-/+) 11.c4 Qd8 12.Ba3 (12.Bb2!?-/+) 12...e4-+ 13.Ng1 Be5 14.Rc1 Be6 15.d3? (better 15.f3-+) 15...a6 16.Nc3 Qa5 17.Bb2 Rd8 18.Qc2 (18.Qd2 ed3 19.Bf3-+) 18...ed3 19.Bd3 (19.Qd2 de2 20.Qe2 Nd4-+) 19…Nb4 (19...Nb4 20.Nge2 Nc2 21.Bc2 Bc4-+) 0–1. Ollemsolrac (2145) – juliangon (2635), ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6)

    9.Nc4 Bc7 10.Ba3 Nge7 11.Ne3 Qd8 12.Bc4 0-0 13.0-0 Bd6 (13...Na5 14.Qe2+=) 14.Ng5+= Ba3?? (better is 14...Bf5+=) 15.Qh5+- h6 16.Nf7 Rf7 17.Qf7 Kh8 (17...Kh7 18.Ra3 Qd6 19.Qf8+-) 18.Ra3 Qd2? (18...Rb8+-) 19.Rd1 Qb2 20.Rb3 Qa2 21.Rb6!! (21.Rb6 Qc4 22.Nc4 (22.Qc4?! ab6 23.Kf1 Ra3+-) 22...ab6 23.Nb6+-) 1–0. Freiberger,Jonas (2230) – Krueger,Tim (1990), 5th Werther Schloss op–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6)

    9.Nc4 Bc7 10.Ne3 Qd8 11.Ba3 e4-/+ 12.Nd4 Nd4 13.cd4 a6 14.Qa4 Qd7 15.Qb4 Ne7 16.d5 f5 17.Rc1 f4 18.Rc7 Qc7-/+ 19.d6 Qc6 20.de7 fe3 21.fe3 Kf7 22.Be2 Kg6 23.Rf1 Bf5 24.Qd4 h5 25.Qe5 Qf6 26.Qg3 Kh7 27.Bb2 h4 28.Qf4 Qe7?? 29.Qf5+- g6 30.Qf7 Qf7 31.Rf7 Kh6 32.Bh8 Rh8 33.Rb7 h3 34.g3 Ra8 35.Rb6 a5 36.Ra6 Ra6 37.Ba6 a4 38.Kd1 Kg5 39.Bc8 Kf6 40.Kc2 Ke5 41.Bd7 a3 42.Kb3 Kd5 43.Bh3 a2 44.Ka2 Kc4 45.Bf1 Kd5 46.Bg2 Ke5 47.h4 Kf5 48.Be4! Ke4 49.g4 Kd5 50.Kb3 Ke5 51.Kc4 Ke6 52.Kc5 1–0. Ruhmke,Stephan (2235) – Kuna,Heiko (2330), RSL – Einzelliga–Qualif., 2008.

    9.Nc4 Bc7 10.Ne3 Qd8 11.Bc4 e4-+ 12.Ng1 Ne5 13.Ba3 Nc4 14.Nc4 Nf6 15.Ne2 b5 16.Ne3 Bd6 (16...Qd3 17.Bc5 Ng4 18.Ra7 Ra7 19.Ba7-/+) 17.Qb3 a6 18.Nd4 Ba3 (18...Be5!?-/+) 19.Qa3+= Qe7 20.Nb5 Qa3 21.Ra3 0-0 22.Nd6 Be6 23.Ra4 Rfb8 24.Ke2 (24.Ne4? Rb1 25.Nd1 Bb3 26.Nf6 gf6 27.Rg4 Kf8-+) 24...Bd7 25.Ra5 Rb6 26.Ndf5 g6 27.Nd4 Nh5 (27...Kf8 28.f3+=) 28.g3 f5 29.Nd5 Rd6 30.Rha1 Ng7 31.Ke3 Ne6 32.Ne6 Be6 (32...Re6? 33.Nc7 Rd8 34.Ne6 Be6 35.Ra6 Rd3 36.Ke2+-) 33.Nc7 Ra7 34.Na6 Rd3 35.Ke2 Bc4 36.Ke1 Re7 37.Nb4 Rf3? (better is 37...Rd6+=) 38.Nc6+- Re6 39.Ne5 (39.Ne5 Bd3 40.Nf3 ef3 41.Kd1+-) 1–0. Balakanova,Gulnar – Chernenko,Evgeniya, Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6)

    9.Nc4 Nge7 10.Nb6 Qe4 11.Be2 Rb8 12.Nc8 Rc8 13.Qb3 Qg6 14.0-0 0-0 15.d3 Rc7 16.Ng5 h6 17.Nh3 Rd8 18.Kh1 b6 19.Ra4 Na5 20.Qb2 Qe6 21.Re4 f5 22.Ra4 Qb3 23.Qb3 Nb3 24.Bb2 b5 25.Ra2 a5 26.c4 b4 27.Bd1 Nc5 28.d4 ed4 29.Bd4 Nc6 30.Be3 b3 31.Ra3 Rb7 32.Bf3 Ne4 33.c5 b2 34.Rb1 Bc5 (34...Bc5 35.Be4 Ba3 (35...fe4?! 36.Bc5 Rd5 37.Rc3-+) 36.Bc6 Rc7-+) 0–1. Scacco,Mauro – Reikl,Johann, IECG, 1999.

    9.Nc4 Nge7 10.Nb6 Qe4 11.Be2 Rb8 12.Nc8 Rc8 13.d3 Qd5 14.Ng5 0-0 15.0-0 Bc5 16.Bf3 Qd7 17.Ne4 b6 18.Qa4 Rfd8 19.Nc5 bc5=+ 20.Rd1 Nd5 21.Qc4 Nb6 22.Qe4 f5 23.Qe3 e4 24.Bh5 c4 25.f3? ed3-+ 26.Ba3? g6 0–1. Jones,Michael P. C – Tolhurst,Philip, BCCA Webserver Preliminary Group, 2007.

    9.Bc4 Qe4

    10.Be2 Nf6 11.Nb5 Bb8 12.Ba3 Qd5 13.0-0 a6 14.Qa4 Bg4 15.Rfb1 Qe4 16.Nbd4 ed4 17.Rb7 Bd7 18.Re1 Ne5 19.Qb4 Nf3 20.gf3 Bh2! 21.Kh2 Qh4 22.Kg1 Qg5 23.Kh1 ½–½. Vorobiev,Alexander (2110) – Vyt,Johan (1835), IECG, 2005.

    10.Be2 Nf6 11.Nb5 Bb8 12.Ra4 Qf5 13.Ba3 e4 14.Nfd4 Qg5 15.g3 a6 16.Qb3 Bd7 17.0-0 Qg6? 18.Nc6+- bc6 19.Nd4 Bc7?? 20.Qb7 Rc8 21.Nc6 Bd8 22.Nd8 (22.Nd8 Qf5 23.Ba6+-) 1–0. Nuesgen,Felix (2300) – Gaertner,Gerhard (2050), BdF OS–051 remoteschach.de, 2007.

    10.Be2 Qg6 11.Nc4 Bc7 12.d4 ed4 13.cd4 Be6 14.Ne3 Nge7-/+ 15.0-0 Rd8 16.Ba3 Bb6 17.Qa4 0-0 18.Ne5 Qf6 19.Nc6 bc6 20.Bc5 Bc5 21.dc5 Rd2 22.Bf3 Rfd8 23.Qa7 Nf5 24.Nf5 Bf5 25.Qc7 Qd4 26.Ra7+= Rf8 27.Qc6 Bd3 28.Rfa1 Qf2= 29.Kh1 Bf5 30.Qc7 Bg4 31.Qg3 Bf3 32.Qf2 Rf2 33.gf3 Rf3 34.c6 Rc3 35.c7 h5 36.Rd1 Rc2?? 37.Rd8+- g5 38.Rf8 Kf8 39.Ra8 Ke7 40.c8Q (40.c8Q Rc8 41.Rc8+-) 1–0. Bronstein,David I (2435) – Comp Chess Master 4000, The Hague AEGON (5), 1995.

    10.Be2 h6 11.Nb5 Bb8 12.Ra4 Qg6 13.Ba3 Nge7 (worse is 13...Qg2 14.Rg1 Qh3 15.Rg7+=) 14.Bc5 a6 15.h4 (better is 15.Nh4!? Qf6 16.Bd3-/+) 15...e4-+ (15...Qg2 16.Rg1 Qh3 17.Rg3-+) 16.Nfd4 Qg2 17.Rf1 Bd7 18.Ra3 (18.Qb1 Ne5-+) 18...Ne5 19.Nd6 Bd6 20.Bd6 Nd3 21.Bd3 ed3 22.Nf3? (22.Qf3 Qf3 23.Nf3-+) 22...Bc6 23.Rg1 Qf3 (23...Bf3?! 24.Rg2 Bd1 25.Be7 Ke7 26.Kd1-+) 24.Qf3 Bf3 (24...Bf3 25.Rg3 Nf5 26.Rf3 Nd6 27.Rd3 Kd7-+) 0–1. Santarius,JF – Campbell,J Franklin, USA Golden Knights corr, 1967. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6 9.Bc4 Qe4)

    10.Kf1 Be6 11.Be6= fe6 12.Ng5 Qd3 13.Qe2= Qe2 14.Ke2 Be7 15.Ne6 Kf7 16.Nc7 Rd8 17.Nc4 Nf6 18.Rb1 Rd7 19.Nb5 Ke6+= 20.Ba3 Rhd8 21.Be7 Ke7 22.Rhd1 Ke6 23.Nba3 ½–½. Gudzovaty,Yury V – Riemer,Wolfgang (2375), Danube/4 ICCF, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6 9.Bc4 Qe4)

    10.Kf1 Be6 11.Be6= fe6 12.Ng5 Qd3 13.Qe2= Qe2 14.Ke2 Be7 15.Ne6 Kf7 16.Nc7 Rd8 17.Nc4 Nf6 18.Rb1 Rd7 19.Nb5 Ke6+= 20.Ba3 Rhd8 21.Be7 Ke7 22.Rhd1 Ne4 23.Nba3 g6 24.f3 Nc5 25.Nc2 Kf6 26.Nb4 Nb4 27.Rb4 b6 28.Rb2 h5 29.h4 Rc7 30.Ra2 Nd3 ½–½. Gudzovaty,Yury V – Teichmann,Cenek (2380), Danube/4 ICCF, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6 9.Bc4 Qe4)

    10.Be2 Nge7

    11.0-0 0-0 12.Re1 Rd8 13.Ng5 Qf5 14.d4 h6 15.Bd3 Qd7 16.Bh7 Kf8 17.d5 hg5 18.dc6 Qc6 19.Bg5 Be6 20.Be4=+ Qd7 21.Qf3 f6 22.Bf6 gf6 23.Qf6 Bf7 24.Nc4 Ng8 25.Qf3 Bc7 26.Bb7 Rab8 27.Be4 Qe6 28.Ra4 Ne7 29.Ne3 a5 30.Rea1 Qd7 31.R4a3 Rb5 32.c4 Rb2 33.Rd3 Qe6 34.Nd5 Nd5 35.cd5 Qh6 36.Rb3 Rb3 37.Qb3 Qf4 38.Re1 Qd2 39.Rd1 Qb4 40.Qf3 Ke8 41.Qf5 Qd6 42.Bf3 Qg6 43.Qh3 Ke7 44.Rc1 Bd6 45.Ra1 Rb8 46.Qh4 Qf6 47.Qa4 Rb4 48.Qa5 e4 49.Be2 Qe5 50.Qa7 Kf6 51.g3 Bd5 52.Rc1 Be6. Pinasco,Damian (1940) – Sarobe,Raul (2165), IECG, 2000.

    11.Nb5 Bb8 12.0-0 0-0 13.Re1 Qg6 14.d4 e4 15.Nh4 Qf6 16.g3 Nf5 17.Ng2 a6 18.Qc2 b6 19.Qe4 Bb7 20.Ba3 ab5 21.Bf8 Ra1 22.Ra1 Kf8 23.Re1 Na5 24.Qb1 Nc4 25.Qb5 Nfd6 26.Qd7 Nd2 27.Ne3 N2e4 28.Ng4 Qe7 29.Qe7 Ke7 30.c4 Kd8 31.Ne3 f5 32.h4 g6 33.Ra1 Bc7 34.Bf3 b5 35.c5 Nc4 36.Be4 Be4 37.Nc4 bc4 38.Ra3 Kd7 39.f3 Bc6 40.Kf2 Ke6 41.f4 Bd8-+ 42.Ra7 Bf6 43.Rh7 Bd4 44.Ke2 c3 (44...c3 45.Kd3 Bf6-+; 44...Bc5?! 45.Rh6-+) 0–1. Neumann,Ulrich – Krueger,Hilmar (2305), IECG, 2002.

    11.Nb5 Bb8 12.d3 Qf5 13.0-0 0-0 14.d4 e4 15.Nh4 Qf6 16.g3 Bh3 17.Re1 Nf5 (17...Nf5 18.Nf5-/+ (18.Ng2 Nd6-/+)) 0–1. Ruhmke,Stephan (2235) – Heinrich,Olaf (2285), RSLBL – BL2009, 2009.

    11.Nc4 Bc7 12.Ba3 0-0 13.0-0 Be6 14.Ng5 Qg6 15.Ne6 Qe6 16.Qb3 Rab8 17.Rfb1 Rfd8 18.Bc5 b6 19.Be7 Qe7 20.Ra6 e4 21.g3 g6 22.Qa2 Qe6 23.Rb5 Rd7 24.Qb1 Rbd8 25.Ra4 Re7 26.Rb2 Bd6 27.Nd6 Rd6 28.Qa2 Qa2-+ 29.Raa2 f5 30.h4 Kg7 31.Kg2 Kf6 32.f4 ef3! 33.Bf3 Ne5 34.d4 Nf3 35.Kf3 Rde6 36.c4 Re3 37.Kf2 R3e4 38.c5 bc5 39.dc5 Rc7 40.Rb5 f4 41.Kf3= Rc4 42.gf4 Kf5 43.c6 Kf6 44.Rb7 Rc3 45.Ke4 R7c6 46.Raa7 R6c4 47.Kd5 Rc5 48.Ke4 ½–½. Haub,Thorsten Michael (2315) – Lukov,Valentin (2380), Giessen Feb–IM (3), 1994.

    11.Nc4 Bc7 12.Ra4 Qg6 13.Ne3 Be6 14.Ba3 0-0 15.h4 a6 16.h5 Qh6 17.Qc2 (17.g4!? g5 18.Re4-/+) 17...b5-+ 18.Rah4 Bd7 19.g4 Bd6 20.Bd6 Qd6 21.Ng5 Qh6 22.Ne4 f5 23.g5 Qe6 24.h6 g6 25.Nf6 Rf6 26.gf6 Qf6 27.Qa2 Be6 28.Qa1 Ra7 29.f3 Qf7 30.Bd3 f4 31.Ng4 Nf5 32.Bf5 Qf5 33.Nf2 Bd5 34.R1h3 a5 35.d3 b4 36.c4? (better is 36.Ne4-+) 36...Nd4 37.Kf1 (37.Qd1 Bc6 38.Ne4-+) 37...Bf3 38.Qa4 Bc6 39.Qa2 a4 40.c5 b3 41.Qa3 Nc2 42.Qb2 Qe6 43.Qc3 a3 44.Rh1 b2 45.Qc2 a2 (45...a2 46.Ke2 a1Q-+) 0–1. Carvaga,Roman (1750) – Hanzluvka,Milan (1740), SVK–Cup14 sf6 corr, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Nc6 9.Bc4 Qe4)

    8.Na3 Ne7

    9.Bc4 Qe4 10.Be2 0-0 11.0-0 Nbc6 12.Nb5 Qg6 13.d4 e4 14.Ng5 Bf5 (14...Bb8 15.d5 Ne5 16.d6=+) 15.Bh5 Qf6 16.f3 e3 17.Nd6 Qd6 (17...Qg5 18.f4 Qf6 19.Ba3=) 18.Be3= Nd5 19.Bd2 Rae8 20.Qb3 Bd3 (20...Re7 21.Bc1 Qd7 22.Ba3=) 21.Rf2 (worse 21.Qb7 Re7 22.Qb3 Bf1 23.Rf1 f5-/+) 21...g6 (21...b5 22.Ne4 Qd8= (worse 22...Be4 23.fe4 Nf6 24.e5+-)) 22.Ne4+- Be4 (22...Qd8 23.Bg5 (23.Qb7?! Qb6 24.Qb6 ab6+=) 23...Qd7 24.Nc5+-) 23.fe4+- Nf6 24.e5 Qd5 25.Qd5 Nd5 26.Bf3 Rd8 27.Raf1 Kg7 (27...Rfe8!?+-) 28.Bg5 f6 (28...Nc3 29.Bc6 bc6 30.Bd8 Rd8 31.Rf7 Kh6 32.Re1+- (32.Ra7?! Ne2 33.Kh1 Nd4+-)) 29.Bd5 (29.ef6!? Kf7 30.Re1 Rd6 31.Bd5 Rd5 32.Re7 Ne7 33.fe7 Rf5 34.ef8R Kf8+-) 29...Rd5 30.Bf6 Kg8 31.e6 (31.Bg5!? Rf2 32.Kf2 Ne5 33.de5 Re5+-) 31...b5 32.g4 Re8 33.Re1 a5 34.Rfe2 a4 35.g5 Rd6 36.Ra2 (36.Kg2 Ne7 37.Rb2 Nf5 38.Rb5 Rde6 39.Re6 Re6+-) 36...Na5 (36...h6 37.h4+-) 37.Re5 Nc4 (37...Rb6!? 38.Rb2 Rbe6 39.Re6 Re6 40.Rb5 Ra6+-) 38.Rb5+- Rde6 39.Rb4 (39.Ra4 Re1 40.Kf2 R1e2 41.Kf3 R2e3 42.Kg2 Re2 43.Kf1 Re1 44.Kf2 R1e2 45.Kg3 R2e3 46.Kf2 Re2) 39...Ne3 40.Rba4 Nd5 41.Ra8 Nc3 42.Re8 Re8 43.Ra7 Ne4 44.Rg7 Kf8 45.Rh7 Nf6 46.gf6 Re6 47.Kf2 Re4 (47...Rf6 48.Ke3+-) 48.Rd7 Rf4 49.Ke3 Rf6 50.Rh7 Kg8 51.Rh3 Re6 52.Kd3 Rd6 53.Rf3 Rd8 54.Rf4 Kg7 55.h4 Kh6 56.Ke4 g5 (56...Re8 57.Kd5+-) 57.Rf6 Kh5 58.hg5 Kg5 59.Re6 Ra8 60.d5 Ra4 61.Ke5 Ra5 62.Re8 Kg6 63.Ke6 Kg7 (63...Ra1+-) 64.d6 Ra6 65.Rb8 (65.Ke7 Ra1 66.d7 Re1 67.Kd6 Rd1 68.Ke6 Re1 69.Kf5 Rf1 70.Ke4 Re1 71.Kf3 Rd1+-) 65...Ra1 (65...Rc6 66.Kd5 Rc1+-) 66.d7 Re1 67.Kf5 (67.Kf5 Rf1 68.Ke4 Re1 69.Kf3+-) 1–0. Urazayev,Arystanbek (2215) – Sanzhaev,Darsen (2375), Chigorin Memorial, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Ne7)

    9.Bc4 Qe4 10.Be2 Nbc6 11.Nb5 Bb8 12.0-0 ½–½. De Baere,David – Kliche,Udo, IECG, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    9.Bc4 Qe4 10.Be2 Bd7 11.0-0 0-0 12.d4 ed4 13.Nd4 Rd8 (13...Nd5!? 14.Bd3 Qh4+=) 14.Nc4= Bc6 15.Bf3 Qg6 16.Nc6 Nbc6 (worse is 16...bc6 17.Nb6 ab6 18.Ra8+/-; worse is 16...Nec6 17.Qb3 a6 18.Nd6 Qd6 19.Qb7+=) 17.Nd6 Rd6 18.Qb3 Rd7 19.Ra4 b6 20.h4 Rad8 21.h5 Qd6 22.h6 Ne5 23.Be4 g6 24.Bg5 Rc8 (24...Ng4 25.g3 Qc5 26.Bg6 Nh6 27.Be7 Re7 28.Bc2-/+) 25.Rfa1 Ng4 (25...N5c6!?+=) 26.Ra7= Ra7 27.Ra7 Rc3 (27...Qc5 28.Bh4 (28.Be7?? Qf2 29.Kh1 Qf1) 28...g5 29.Qd1 Nh6 30.Bg3=) 28.Bd5 Qe5 (28...Qd5?? 29.Qd5 Rc1 30.Bc1 Nh6 31.Bb2 Nc6 32.Ra8 Nd8 33.Rd8) 29.Bf7 (29.Re7 Rb3 30.g3 Rb1 31.Bc1 Rc1 32.Kg2 Qd5 33.Re4 Qe4 34.f3 Rc2 35.Kf1 Qf3 36.Ke1 Qe2) 29...Kh8 30.Qd1 (30.Qd1 Qh2 31.Kf1 Qh1 32.Ke2 Qd1 33.Kd1+-) 1–0. Drill,F – Krenzel,J, corr, 1983. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6 8.Na3 Ne7)

    9.Nc4 Nbc6 10.Nb6 ab6 11.Ra8+= e4 12.Nd4 (12.c4!? Qf5 13.Nh4+=) 12...Nd4= 13.cd4 0-0 14.Be2 (14.Qa4 Nc6=) 14...Nc6+= 15.0-0 (15.Bb2 Nd4 16.Bd4 Qd4+=) 15...Nd4-/+ 16.Bg4 Qe5 17.g3 Bg4 18.Rf8 Bf8 19.Qa4 0–1. craig4000 – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Bd6)

    9.Nc4 Nbc6 10.Nb6 Qe4 11.Be2 Rb8 12.Nc8 Rc8 13.d3 Qd5 14.0-0 h6 15.d4 ed4 16.Nd4 0-0 17.Nc6 Qc6 18.Ra7 Bb8 19.Ra3 Rfd8 20.Qb3 Bd6 21.Ra7 Qc5 22.Qa2 Qc7 23.g3 Bc5 24.Ra4 Nd5 25.Bd2 Nf6 26.Bf3 b5 27.Ra6 Rd3 28.Rc6 Qd7 29.Rc8 Qc8 30.Be2 Rd8 31.Bb5 ½–½. Kuna,Heiko (2420) – Buettner,Fritz (2405), CiF, 2010.

    9.Nc4 Bc7 10.Ne3 Qd7 11.Ba3 0-0 12.Ng5 h6 13.h4 Nbc6 14.Bc4 e4 15.Qb1 hg5=+ 16.hg5 Re8 17.Qe4+= Nf5 18.Qf3 Ne5 19.Qh5+/- Nh6 20.gh6 g6 21.h7 Kh8 22.Qe2 Nc4 23.Qc4 1–0. Lockwood,Austin (2160) – De Velez,Geoffrey Allen, WS/O/261 ICCF, 2009.

    9.Nc4 Bc7 10.Ne3 Qd8 11.Bc4 0-0 12.Ba3 Nbc6 13.0-0 a6 14.Qc2 g6 15.Qe4 Kg7 16.d4 f5 17.Qh4 f4 18.Nd5 Nd5 19.Bd5 Re8 20.Qd8 Rd8 21.Bc6 bc6 22.Rfe1 Rd5 23.h3 h6 24.de5 a5 25.e6 a4 26.Re4 c5 27.c4 Rh5 28.e7 Bd7 29.Bb2 Kg8 30.Rd1 Bc6 31.Re6 Be8 32.Rf6 Rf5 33.Rf5 gf5 34.Ba3 Kf7 35.Rd5 Ke7 36.Rc5 Kd7 37.Rd5 Kc8 38.Rf5 Rb8 39.Nd2 Bg6 40.Rd5 Bc2 41.h4 Kb7 42.Rb5 Ka6 43.Rh5 Rd8 44.Rd5 Rd5 45.cd5 Be5 46.Kf1 Bd3 47.Ke1 h5 48.Nf3 Bc3=+ 49.Kd1 Be4 50.Ng5 Bd5 51.f3 Bb3 52.Kc1 Kb5 53.Kb1 Be5 54.Bb2 Bb8 55.Bc1 Bc7 56.Nh3 Bd8 57.Nf4 Bf7 58.g3 Be7 59.Bb2 Kb4 60.Be5 Kb3 61.Bg7 Bd6 62.Ne2 Bd5 63.g4 Kc4 ½–½. Horbach,Frank (2005) – Silkin,Alexey (2325), IECG, 2004.

    7.c3 Be7

    8.Na3 a6 9.Nb5 Bd8 10.c4 Qe6 11.Bb2 Nc6 12.Be2 (12.c5!? Kf8 13.Nd6=) 12...Rb8+= (worse is 12...ab5 13.Ra8 bc4 14.Qa4+/-) 13.Nc3 Nf6 14.0-0 0-0 15.Re1 Bc7 16.Bd3 Qd6 17.Be4 Ne4 18.Ne4 Qh6 19.d3 Bg4 20.Bc1 (20.h3!? Bc8 21.Nc5-/+) 20...Qh5 21.Ng3 Bf3 22.Nh5 Bd1 23.Rd1 Rfd8 24.Ng3 Nb4 25.Ra3 g6 (25...b5 26.cb5 ab5 27.Bb2-+) 26.Ne4 f5 27.Ng5 Rd6 28.Rb3 a5 29.Ba3 Rbd8 30.Bb4 ab4 31.g3 e4! 32.Rb4 Rd3 33.Rdb1 Rd1 34.Kg2 Rb1 35.Rb1 Rd2 36.Rb7+= Be5 37.Kf1 Bd4 38.Rb8 Kg7 39.Ne6 Kf6 40.Nd4 Rd4 41.c5 Rc4 42.Rc8 Ke5 43.c6 Kd4?? 44.Rh8 Rc6+= 45.Rh7 Kc5 46.Rh6 g5 47.Rh5+= Rg6 48.h4 gh4 49.Rf5 Kd4 50.gh4 Rh6 51.h5 Kd3 52.Rd5 Kc4 53.Ra5 Kd3 54.Ra3 Kd4 55.Rh3 Ke5 56.Ke2 Kf4 57.Rh1 Ke5 58.Ke3 Kf5 59.Rh2 Ke5 60.Rh4 Kf5 61.Kd4 Rd6+/- 62.Kc5 Rh6 63.Kd5 Kg5 64.Rh1 Kf5 65.Rh4 Kg5 66.Re4 Kh5 67.Ke5 Kg6 68.Rg4 Kf7 69.Rf4 Ke7 70.Kf5 Ra6 71.Kg5 Rb6 72.Rf5 Ra6 73.Rb5 Rc6 74.f4 Rc1 75.Rb7 Ke8 76.f5 Rg1 77.Kf6 Re1 78.Rb8 Kd7 79.Rg8 Re2 80.Kg6 Rg2 81.Kf7 Rf2 82.f6 Re2 83.Rg5 Rf2 84.Rd5 Kc6 85.Rd1 Rf3 86.Kg7 Rg3 87.Kf8 Rf3 88.f7 Rf2 89.Rg1 Kd7 90.Kg8 Ke7 91.Re1 (91.Re1 Kd6 92.f8Q Rf8 93.Kf8+-) 1–0. Fusari,Paolo (1895) – Pasquotto,Mirko (1920), Trieste op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7)

    8.Na3 e4 9.Nb5 Qd8 10.Nfd4 Nf6 11.Ra7=+ Ra7 12.Na7 0-0 13.Nc8 Qc8 14.Bb5 Nc6 15.0-0 Bd6 16.Qa4 Nd4 17.Qd4 Rd8 18.Qa4 Qf5 19.Be2 Nh5 20.Qb5 ½–½. Ruhmke,Stephan (2235) – Sienkiewicz,Wojciech (2275), RSLE–2009, 2009.

    8.Na3 e4 9.Nb5 Qd8 10.Ne5 a6 11.Bc4+= Nh6 12.d4+/- f6?? 13.Bh6+- fe5 14.Bg7 Bf5 15.Qh5 Bg6 16.Qe5 Bf7 17.Nc7 Kd7 18.Na8 Bc4 19.Bh8 Nc6 20.Qe4 Qa8 21.d5 Qh8 22.dc6 bc6 23.Qc4 Qe5 24.Kf1 1–0. De Baere,David – Kivistoe,Simo, IECC, 1998.

    8.Na3 Ba3

    9.Ba3 Nc6

    10.Qa4 Bd7 11.Qb5 Qb5 12.Bb5 -/+.

    10.Qa4 Bd7 11.Bc4 Qe4 12.Kf1 Qf4 13.d3 Nge7 14.Qb5 b6 15.Be7 Ne7 (better is 15...Ke7!? 16.Re1 f6+=) 16.Qe5+= Qe5 17.Ne5 f6 18.Nd7 Kd7 19.Ke2 a5 20.Kd2 ½–½. Neumann,Ulrich – Dikmen,Ali Semih (2235), IECG, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Ba3 9.Ba3 Nc6)

    10.Qa4 Nge7 11.0-0-0 Be6-/+ 12.Bb5 0-0 13.Rhe1 Rfc8 14.Be7 Ne7 15.Ne5 Nc6 16.Bc4 Qd6 17.Be6 fe6 18.f4 a5 19.g3 b5 20.Qb5 Rab8 21.Qa4 Nd4 22.Qa2 Nb3 23.Kc2 Qd5 24.Qa4 Nd4 25.Kd3 Nf3 26.Ke3 Ne5 27.fe5 Rc4 (27...Rc4 28.Qc4 Qc4-+) 0–1. Pinasco,Damian (1980) – Jimenez,Julio (1970), IECG, 2000.

    10.Qa4 Nge7 11.Bb5 e4 12.c4 Qh5 +=.

    10.Qa4 Nge7 11.Bc4 Qd7 (better is 11...Qe4!? 12.Kf1 Be6-/+) 12.0-0= 0-0 (12...f6 13.Rfe1 Nd5 14.d4=) 13.Rfe1+= Qc7 14.d4 Be6 15.Be6 fe6 16.de5 (16.Ne5 Ne5 17.Re5 Rf6+=) 16...Rae8 (16...Rf5 17.Bd6 Qc8 18.Qb3+=) 17.Bd6 Qc8 18.Qg4 Rf5 19.Nh4 Rf7 20.Re3 Nf5 21.Rh3 Nd6 22.ed6 e5 23.Qh5 (23.Qe4!?+=) 23...Qe6 24.Rd1 Rd8 25.Nf3 (25.Rhd3 g6 26.Qg5 Rfd7+=) 25...Qf5 (better is 25...g6 26.Ng5 A) 26...gh5? 27.Ne6 Rdd7 28.Nc5+- (28.Rh5?! Rf6 29.Ng5 Rfd6 30.Rd6 Rd6=); B) 26...Qf6=) 26.Qh4?? (better is 26.Qf5 Rf5 27.Ne1=) 26...Rd6!!-+ 27.Re1 (27.Rd6 Qb1 Mate attack) 27...Rh6 28.Re5 (28.Qg3 Rh3 29.gh3 Qf3-+) 28...Qb1 (28...Ne5 29.Qd8 Rf8 30.Qd5 Kh8 31.Qe5 Rh3 32.gh3 Qf3 33.Qd4-+) 29.Re1 Rh4 (29...Rh4 30.Rb1 Rh3-+) 0–1. Hajenius,W (1910) – Vanhee,F (1965), Aalst BEL, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Ba3 9.Ba3 Nc6)

    10.Qa4 Nge7 11.Be7 Ke7 12.Qh4 f6 13.Bc4 Qd7 14.Qe4 Qg4 15.Qd5 Qe6 (15...Qg2?? 16.Rg1 Qg1 17.Ng1+-) 16.Qb5 Qd7 17.0-0 Nd4?? (better is 17...g5+=) 18.Qc5 Qd6 19.cd4 1–0. Radziejowski,Adam – Dabrowski,M, Poland–ch sf01 corr, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Ba3 9.Ba3 Nc6)

    10.Qa4 Bf5 11.Bc4 Qe4 12.Kf1 0-0-0 13.Bc5 Nf6 14.Ng5 Qg4 15.Nf7 Ne4 16.Be2?? (16.Nd8 Nd2 17.Ke1 Rd8 18.Bb5 Qg2 19.Bc6 Nf3 20.Bf3 Qf3 21.Rg1 Qc3 22.Kf1 Bh3 23.Rg2-+) 16...Nd2-+ 17.Ke1 Qg2 18.Bd6?? (18.Rf1 Nf3 19.Bf3 Qf3 20.Qc4-+) 18…Qh1 (18...Qh1 19.Kd2 Qd5 20.Ke1 Qf7-+) 0–1. Buchele,Andreas (1995) – Janssen,Ruud (2455), Staufer op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Ba3 9.Ba3 Nc6)

    10.Qa4 Nf6 11.Bb5 Bd7 12.0-0 e4 13.c4 Qh5 14.Rfe1? (better is 14.Ne1-/+) 14...0-0-0?? (14...Kd8 15.Nd4 Nd4 16.Bd7 Nd7 17.Re4-+) 15.Bd6?? (better is 15.Bc6 Bc6 16.Qa7+/-) 15...ef3-+ 16.Qa7 (16.Qa7 Be8 17.Bc6 Qh2 18.Bh2 Bc6 19.Qb8 Kd7 20.Qc7) 1–0. Anders – Bellizzi, 1980. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Ba3 9.Ba3 Nc6)

    10.Qb1 Nf6 11.Be2 e4 12.Nd4 Nd4 13.cd4 Qd4 14.0-0 b6 15.d3=+ Bg4 16.Bg4 Ng4 17.h3 Nf6 18.de4 Qe5 19.Rd1 Rc8 20.Qd3 Qc7?? 21.Qb5 Nd7 22.Rac1 Qb7 23.Qg5 Rc5? 24.Qg7 Rf8 25.Bc5 bc5 26.Rb1 Qc8 27.Rd6 c4 28.Rbd1 1–0. Ruhmke,Stephan (2235) – Erler,Juergen (2190), RSL – Einzelliga–Qualif., 2008.

    10.Rb1 Nf6 11.Be2 e4 12.Nd4 Nd4 13.cd4 Bd7 14.0-0 Bc6 15.Qc1 h5 16.d3=+ g5 17.de4+/- Ne4 18.Bc4 Qf5 19.d5! Bd5 20.Rb5 Rd8 21.Rd5 Rd5 22.Bd5 Qd5 23.Qc7 (23.Qc7 Qc5 24.Bc5 (24.Qc5?! Nc5 25.Bc5 a6+/-) 24...Nc5 25.Qc8 Ke7 26.Qc5 Kf6 27.f4 gf4 28.Rf4 Ke6 29.Qf5 Kd6 30.Rd4 Kc6 31.Qd5 Kb6 32.Rb4 Kc7 33.Rb7 Kc8 34.Qd7) 1–0. Marshall,Frank James – Sussman,H, ch Marshall CC, New York, 1941.

    10.d4 ed4 11.Nd4 Nd4 12.cd4 Ne7 13.Be2 Qg2 14.Bf3 Qg5 15.Qe2 Qa5 16.Kf1 Bh3 17.Bg2 Bg2 18.Kg2 Qg5 19.Kf1 Kd8 20.Rg1 Qf6 21.Rg7 Rc8?? 22.Re1 Rc7=+ 23.Rg3 Nd5-/+ 24.Rf3 Qc6 25.Rf5 Kc8 26.f3 Rd8 27.Rc1 Qg6 28.Re5 Rc1 29.Bc1 Qc6 30.Bg5 f6-+ 31.Re6 Qa4 32.Bf6 Nf6?? 33.Rf6-/+ Qa1 34.Kg2 Qd4 35.Qe6 Kb8 36.Rf5 Ka8 37.Qf7 Qd2 38.Kh3 h6 39.Qe7 Rb8 40.Rf8 1–0. Lutz,Klaus Juergen – Simon,Ralf Axel (2320), Oberursel (2), 1989.

    10.Be2 Nge7 11.0-0 0-0 12.Qb1 h6 13.d4 Bf5 14.Qb7 Nd4 15.Ba6 Nf3 16.gf3 Qb7 (16...Rfb8!? 17.Qd5 Nd5+=) 17.Bb7+= Rab8 18.Ba6 (18.Be7!? Rfe8 19.Be4 Be4 20.Bd6+=) 18...Rfe8-/+ 19.Bd6 Rb6 20.Be5 Bh3 21.Rfe1?? (21.Rfb1 Rb1 22.Rb1 Nc6+=) 21...Nf5?? (better is 21...Nc6 22.f4 Ne5-+) 22.Re4+= Rbe6 23.Bb5 Rd8 24.Bf1 Bf1 25.Kf1 Ra8 26.Bd4 Nd4 27.Rd4 a5 28.Rda4 Rc8 29.R1a3 Re5 30.Ra5 Ra5 31.Ra5 Rc3 32.Kg2 Rc4 33.Kg3 ½–½. Fontinha,Richard J – Campbell,J Franklin, CCLA corr Canada, 1987. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Ba3 9.Ba3 Nc6)

    10.Be2 Nge7 11.0-0 0-0 12.d4 ed4 13.Nd4 Rd8 14.Bf3 Qg5 15.Re1 Nf5 16.Qe2 Bd7 17.Nf5 Qf5 18.Be4 Qf6 19.Qc2 h6 20.Rab1 b6 21.Rbd1 Be8 22.Qa2 Rac8 23.h3 Rd1-/+ 24.Rd1 Na5 25.Bd5 Bc6 26.Bc6 Qc6 27.Bb4 Qc4 28.Qa3 Nc6 29.Rd7 a5 (29...a5 30.Bd6 Qe6-+) 0–1. Herrnkind,Martin (2200) – Kindermann,Stefan (2490), Munich op, 1985.

    8.Na3 Nc6

    9.Nb5 Qd7 10.Qb3 e4-/+ 11.Nfd4 Nf6 12.Na7?? Ra7-+ 13.Ra7 0–1. steviousmattias – marekt, ChessWorld.net, 2008.

    9.Nb5 Qd7 10.d4 ed4 11.Bf4 Bd8 12.Bc4 Nh6 13.0-0 0-0 14.cd4 a6 15.Nc3 Bf6 16.Nd5= Bd8 17.Ne5 Ne5 18.de5 Nf5 19.Bb3 Nh4 20.h3 b5 21.Bc2 Ng6 22.Bg3 Qa7 23.Be4 Be6 24.Qb1 h5 25.Nb4+= a5 26.Ba8 Qa8 27.Nc2 Qb7 28.Nd4 Bc4 29.Rc1 Bb6 30.Nf5+/- h4 31.Nh4 Nh4 32.Bh4 Qd5 33.Re1 a4 34.Qf5 f6= 35.Qg6 Qf7 36.Qg3 ½–½. Quigley,Daniel J (2130) – Broniek,Mariusz Maciej (1965), 3rd Webchess Open Tournament prel., 2008.

    9.Nb5 Qd7 10.d4+= ed4 11.Bf4 Bd8 12.cd4 Nf6 (12...Nge7!?=) 13.Nd6+= Kf8 14.Ne5 (worse is 14.Nc8 Rc8 15.Be2 Nd5-/+) 14...Qe7 15.Bc4 (15.Ndf7 Bb6 16.Nh8 Bd4+=) 15...Be6 (15...Bg4 16.Qd2 g5 17.Bg3+=) 16.0-0 (16.Be6!? fe6 17.Nc6 bc6 18.Qf3+=) 16...Bc7= 17.Be6 fe6 18.Nb7 Ne5 19.de5 Be5 20.Be5 Qb7 21.Rc1 Nd5? (21...Qd5 22.Qe2 a5 23.Rc7+-) 22.Qf3?? (better is 22.Rc7! Qc7 23.Bc7+-) 22...Qf7= 23.Qe4 Re8 24.f4 Kg8 25.Rf3 h5 26.Rg3 Rh7 27.Rg5 Rf8 28.h4 a5 29.Kh2 Kh8 30.Qd4 Ra8 31.Ra1 Qa7 32.Qa7 Ra7 33.f5 ef5 34.Bd4 Rf7 35.Ra5 Nc7 36.Ra7 Kg8 37.Rg6 Rh6 38.Rh6 gh6 39.Be5 Ne6 40.Ra8 Rf8 41.Ra7 Rf7 42.Ra8 Nf8 43.g3 Kh7 44.Bd4 Ng6 45.Kg2 f4 46.Ra7 Kg8 47.Rf7 Kf7 48.Kf3 Ke6 49.Bg7 Kf5 50.gf4 Nh4 51.Kg3 Ng6 52.Bh6 h4 53.Kh3 Nf4 ½–½. Bonafede,Alessandro (2380) – Bernadskiy,Vitaliy (2510), 12th Kesarovski–Stanchev Mem–A, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Nb5 Kd8 10.c4 Qe6 11.Bb2 Bd7 12.Be2 e4 13.Nfd4 Qg6 14.Kf1 a6 15.Bh5 Qg5 16.Bf7 Rb8 17.Na3 Bf6 18.Nac2 Nd4 19.Nd4 Qc5 20.Nb3 Qf5 21.Ra5 b5 (21...Bb2 22.Rf5 Bf5 23.d3+-) 22.Bf6 Nf6 (22...gf6?! 23.Kg1 Nh6 24.Bd5=) 23.Nd4 Qc5 24.Qa1 Rf8 25.Be6 Rb6 26.Bd7 Qc4 27.Ne2 Nd7 28.Qg7 (better is 28.Ra6 Ra6 29.Qa6-+) 28...Rbf6 29.Qg5 Ke8 30.Qh4 Ne5 31.Qh5 Kd8 32.Qg5 Kc8 (32...Kc8 33.Qg3 Nd3-+) 0–1. Neumann,Ulrich – Benatar,Eric (2025), IECG, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Bc4 Qe4 10.Be2 Nf6 11.0-0 (11.Nc4 0-0-/+) 11...0-0 12.Re1 Bg4 (12...Qf5 13.d3-/+) 13.h3=+ Bh5 (13...Bf3 14.Bf3 Qf5 15.Qc2 Qc2 16.Nc2=+) 14.d3 (14.g4 Ng4 15.d3 Qg6 16.hg4 Bg4-+) 14...Qd5-/+ 15.Nc4 Rfe8 16.Ne3 (16.Nfe5 Ne5 17.Bh5 Nc4=+) 16...Qd7 (16...Qe6 17.d4 ed4 18.Nd4 Be2 19.Re2-/+) 17.Qb3 (17.g4 Bg6 18.Nh4 Red8 19.Ng6 hg6-/+) 17...Rad8 18.Nc4 Qc7 19.Be3 Nd5 20.Ba7? (better 20.Bd2!? Bg6 21.Bd1-/+) 20...b5!-+ (20...Na7?! 21.Ra7 Bf6 22.Rb7= (worse 22.Qb7 Qb7 23.Rb7 Nc3=+)) 21.Nce5 (21.Qb5 Nc3 Deflection) 21...Na7 (21...Ne5?! 22.Ne5 Qe5 23.Bd4 Qe2 24.Re2 Be2 25.Qb5=+) 22.d4 Bf6 (22...Nc3 23.Bd3 Nd5 24.Qb1-+) 23.c4 Nf4 (23...Be5 24.de5 bc4 25.Bc4-+) 24.cb5 Ne2 25.Re2 Be5 (better 25...Qb7!? 26.b6 Nc8-+) 26.b6=+ Qb8 27.Ne5 Nb5 (worse 27...Be2 28.Qf7 Kh8 29.Ra7+-) 28.Qb5 Be2 29.Qe2 Qb6 (worse 29...Rd4 30.Nc6 Re2 31.Nb8+=) 30.Qa2 Qe6 (30...Qc7 31.Qa4-/+) 31.Qa4 (31.Qe6 Re6 32.Kh2 Kf8=+) 31...Qd6 32.Qa2 Qd5 (32...Qf6 33.Qc4-/+) 33.Qd5=+ Rd5 34.Ra7 (better 34.Ra4!?=+) 34...Rd4-+ 35.Nf7 h6 36.g3 (36.Kh2-+) 36...Rd2 (36...Rd5 37.Kg2 Rf8 38.Nh6 gh6 39.f4-+) 37.Rc7 Re1 (37...Rd5!? 38.Kg2 Rf8 39.Nh6 gh6 40.Rc2-+) 38.Kg2 Ree2 39.Kg1?? (39.Kf3-+) 39...Rf2 40.Nd8 (40.Nh6 gh6 41.h4 Rg2 42.Kh1 Rg3-+) 40...Rg2 41.Kf1 (41.Kh1 Rge2 (41...Rd8?! 42.Kg2 Kh7 43.Kf3=; 41...Rg3 42.Ne6-+) 42.Rc1 Rd8-+) 41...Rg3 (better 41...Rdf2 42.Ke1 Rh2 43.Ne6-+) 42.Ne6 Rg6 (better 42...Rh3 43.Kg1 Re3 44.Rg7 Kh8 45.Rg2 Rd1 46.Kf2 Re6 47.Kf3-+) 43.Rc8 Kf7 44.Nf4 (44.Nd8 Kf6 45.Rc6 Kf5 46.Rg6 Kg6-+ (46...Rd8?! 47.Rg7 Kf6 48.Rh7=)) 44...Ra6 45.Rc7 Kf6 46.Rc1 Kg5 (46...Raa2!? 47.Nh5 Kg5 48.Ng7 Rf2 49.Kg1-+) 47.Ne2 (47.Ng2 Ra3 48.h4 Kg4-+) 47...Kh4 48.Ng1 Rf6 49.Ke1 Rg2 50.Rc4 Kh5 51.Ne2 Re6 (51...Re6 52.Kf1 Rge2-+) 0–1. Nielsen,Rogvi Egilstoft (2300) – Andersen,Rune (2100), XTRACON GM, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Bc4 Qe4 10.Be2 Nh6 11.0-0 (11.d3 Qg6 12.Nc4 0-0 (worse 12...Qg2 13.Rg1 Qh3 14.Rg7=) 13.Nfe5 Ne5 14.Ne5 Qg2-/+) 11...0-0 (11...Qg6 12.Re1 0-0 13.Nc4-/+) 12.Re1 (12.Bb5 Qd5 13.Bc4 Qd8=+) 12...Qg6-/+ 13.Nc4 Bf6 (13...Ng4!?-/+) 14.d4=+ ed4 15.cd4 (15.Nd4!? Bh3 16.Bf3=) 15...Rd8-/+ 16.Bb2 Bg4 17.Ra3 (17.Qa4 a6 (worse 17...Nd4 18.Nd4 Bd4 19.Bd4+=) 18.Nce5 Ne5 19.de5 Be7=+) 17...b5 (17...Nf5!? 18.Rd3 b5=+) 18.Ne3= a6 (18...Bf3!? 19.Bf3 Bd4 20.Bd4 Rd4+-) 19.Ng4+= Ng4 20.Bd3 Qh5 (20...Qh6!? 21.h3 Nf2 22.Kf2 Nd4+=) 21.h3 Nh6 22.Qc2 (better 22.Be4!? Rac8 23.Ra6+-) 22...Nd4 23.Bd4 Bd4 24.Nd4 Rd4 25.Bh7 (25.Ra6 Rad8+=) 25...Kh8 26.Be4 (26.Ra6 Rad8 27.Be4 Qe5=) 26...Re8= 27.Rae3 (27.Ra6? f5-+) 27...Red8 28.Bf3 Qg5? (better 28...Qg6 29.Qg6 fg6=) 29.Re8+- Ng8 30.R1e5 f5?? (better 30...Qg6 31.Rh5 Qh5 32.Rg8 Kg8 33.Bh5 R4d6+-) 31.Rf5 Qg6 (31...Re8 32.Rg5 Nf6 33.Qc6+-) 32.Rh5 Qh5 33.Bh5 Re8 34.Be8 Rc4 (34...Rd8 35.Bf7 Rf8 36.Be6+-) 35.Qe2 Nf6 (35...Rc8 36.Bg6 b4 37.g4 Rc1 38.Kh2+-) 36.Bg6 a5 (36...Rc5 37.g4+-) 37.Qf3 Rc8 (37...Rc7 38.Qa8 Ng8 39.Qf8+-) 38.Qb7 Rd8 39.Qb5 1–0. Fusari,Paolo (1895) – Ebeling,Jens (2015), 33rd Arco Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Nc4 Be6 10.Be2 (10.Ne3 Qd7 11.Bb5 Bf6=+) 10...Rc8 (10...e4 11.Nb6 Qd8 12.Na8 ef3 13.Bf3=) 11.0-0 (11.Ne3!? Qd6 12.Ba3=+) 11...e4=+ 12.Ne1 (12.Ne3 Qd7 13.d4 ef3 14.Bf3 Nf6=+) 12...Nf6-/+ 13.Nc2 (13.Ne3 Qd8-/+) 13...0-0-+ 14.N2e3 (14.N4e3 Qd7 15.Bb5 a6 16.Bc6 Rc6-/+) 14...Qd7 15.f3 (15.Na5 a6-+) 15...ef3 (15...b5 16.Na3 ef3 17.Bf3-+) 16.Rf3 (16.Bf3 b5 17.Na3 Na5-+) 16...Rfd8 (better 16...Ne4-+) 17.Qc2?? (better 17.Rf1-+) 17...b5 18.Na3 (18.Na5 Nd4! 19.Qd1 Nf3 20.Bf3 Nd5-+) 18...Nd4! 19.cd4 Rc2 20.Nac2 b4 21.Bb2 Ne4 (better 21...Bd6-+) 22.Ne1 (22.Rf4 Ng5 23.Bd3-+) 22...Nd2 23.Rg3 (23.Rf2 Bg5 24.Nf1 Ne4-+) 23...Bh4 (better 23...Bd6 24.Bd3-+) 24.d5 (24.Rd1 Bg3 25.hg3 Ne4-+) 24...Bg3 25.de6 (25.hg3 Bd5 26.Bd3-+) 25…Qe6 (25...Qe6 26.N1c2 Bf4-+) 0–1. Spencer,E (2120) – Koehn,Lennart (1985), 124th ch–SCO Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Nc4 Bg4 10.Ne3 Qd7 11.Ng4 Qg4 12.Ra4 Qc8 13.Bb5 a6 14.Bc6 Qc6 (worse is 14...bc6 15.Ne5 Qe6 16.d4=) 15.Qb3 Nh6 16.d3 0-0 17.Bh6 Qh6 18.0-0 b5 19.Re4 Bd6 20.Rfe1 Rac8 21.Rh4 Qf6 22.Ree4 (22.Rhe4 Rc5-/+) 22...Rfd8 23.d4 ed4 24.Nd4 (24.Rd4 Bc5 25.Rd8 Rd8 26.Re4-+) 24...Be5 25.Qb1 Rc3 26.Qe1 (26.Nf3 Rc5-+) 26...Rcc8 (26...Rd4?! 27.Rd4 Rc5 28.Rhe4+=) 27.Nf3 Bb2 28.Rhf4 Qf4! 29.Rf4 Rc1 (29...Rc1 30.Qc1 Bc1-+) 0–1. Woods,Connor (1870) – Coates,David H (1965), BCF–chT3, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Nb5 Qd8

    10.Bc4 e4!? 11.Nfd4 a6 12.Nc6 bc6 =+.

    10.Bc4 e4 11.Nfd4 Nf6 12.Nc6 bc6 13.Nd4 (13.Na7? Qd7 14.Nc8 Ra1 (14...Rc8?! 15.0-0=; 14...Qc8?! 15.Ra8 Qa8 16.0-0=) 15.Ne7 Qe7-+) 13...Bd7 14.Ra6 0-0 15.Nc6 Bc6 16.Rc6 Nd7 17.Be2 (17.0-0 Ne5 18.Qa4 Nc6 19.Qc6 a5+=) 17...a5 (17...Nc5 18.0-0 Qd5 19.Bb5+=) 18.Rc4 Nc5 19.0-0 Re8 20.Ba3 Qd5 21.Rd4 Qe5 22.Bb5 Red8 23.Bc6 Rac8 24.Bc5 Bc5 25.Rd8 Rd8 26.Qe2 Bd6 27.g3 f5 28.Re1 (28.Rb1 Qe6+=) 28...Kh8 (28...Qc5 29.Ba4=) 29.d4+= ed3 30.Qe5 Be5 31.Re5 d2 32.Ba4 d1Q 33.Bd1 Rd1 34.Kg2 g6 35.Ra5 Kg7 36.Kf3 Rd3= ½–½. Langer,Christian (2215) – Dehne,Mirko, Dortmund op–A, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    10.Bc4 Bf5 11.Qb3 Bg6 12.h4 (12.Na7!? Ra7 13.Ra7 Na7 14.Ne5+=) 12...Nf6 13.g4? (13.d4 ed4 14.Nbd4 Qc7-/+) 13...h5 (better is 13...a6!? 14.h5 ab5 15.Ra8 Qa8 16.hg6 bc4 17.gf7 Kf8 18.Qc4-+) 14.Na7 Ng4 (14...hg4 15.Nc6 Ra1 16.Nfe5 Rc1 17.Ke2 0-0 18.Nd8 Rh1 19.Ng6 Rd8 20.Bf7 Kh7 21.Qb7 Ra1 22.Ne7 Rd7+-) 15.Qb7+= Na7 16.Bb5 Kf8 (16...Nb5?? 17.Ra8 Nc7 18.Qc6 Kf8 19.Rd8 Bd8 20.Qd6 Ke8 21.Ba3+- (worse is 21.Ne5 Ne5 22.Qe5 Kd7 23.Qd4 Kc8+-)) 17.Ra7 Ra7 18.Qa7 Be4 19.Rh3 Rh6 20.Ng5 Qa8 (20...Bg5 21.hg5 Rb6 22.Bc4+-) 21.Qd7? (better is 21.Qa8 Ba8 22.d4+=) 21...Rd6-+ 22.Qc7 Bg6 23.f3? (better is 23.Bd7-/+) 23...Qa1-+ 24.fg4 Qc1 25.Kf2 Rd2 26.Be2 hg4 27.h5 gh3 28.hg6 Re2! 29.Ke2 Qg5 30.Qc8 Bd8 31.Qd7 fg6 32.Qh3 Qh5 (32...Qh5 33.Qf3 Ke7-+) 0–1. Menassa,Elias (2155) – Saladen,Rafael (2300), Cali Abierto Int, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    10.Bc4 Nf6 11.Qb3 0-0 12.Ng5 Nd5 13.Nf7 Kf7 (13...Rf7? 14.Bd5 Qf8 15.Nc7+- (15.Bf7?! Qf7 16.Qf7 Kf7+/-)) 14.Bd5 Ke8 15.Be4 Bc5 16.0-0 Qb6 17.Nd6! Kd7 (17...Bd6 18.Qb6 Decoy) 18.Qb6 (18.Qb6 Bb6 19.Ba3+/-) 1–0. Goebl,Werner – Zorn,Alexander, GER–chT 2BK Gr12 Br2 corr, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    10.Bc4 Nf6 11.Qb3 a6 12.Bf7 Kf8 13.Na3 =+.

    10.Bc4 Nf6 11.Qb3 e4 12.Bf7 Kf8= 13.Ng5 h6 14.Bg6+/- Ne5 15.d4 Nd3 16.Kf1 Nd5? 17.Nf7+- Be6? 18.Nd8 Ne3 19.Be3 Bb3 20.Nb7 Rb8 21.N7d6 Rb6 22.Be4 Nb2 23.Ra7 Bd6 24.Nd6 Rd6 25.Ra8 Kf7 26.Rh8 Ra6 27.g3 Ra2 28.Kg2 Nd1 29.Rd1! (29.Rd1 Rf2 30.Kf2 Bd1 31.d5+-) 1–0. Rossetto,Hector – Bolbochan,Jacobo, Mar del Plata (11), 1943.

    10.d4 e4 11.d5 ef3 12.dc6 bc6 13.Qf3 Bd7 14.Nd4 Bc5 15.Nc6 (15.Bd3 Nf6+=) 15...Qf6 16.Qe4 (16.Ra5!? Qf3 17.gf3 Bc6 18.Rc5+=) 16...Kf8=+ 17.Ne5 Qf2 (17...Bf2? 18.Ke2 Bb5 19.c4+-) 18.Kd1 Rd8 19.Bd3? (19.Nd7 Rd7 20.Bd3 Nf6=+) 19...Nf6 (better 19...Be6 20.Bd2 Bd5-/+) 20.Qc4=+ Be6 (20...Bg4 21.Ng4 Ng4 22.Ra2 Ne3 23.Be3 Qe3 24.Kc2=+) 21.Qc5 Qc5 22.Ba3 Qa3 23.Ra3 Ng4 24.Ng4 Rd3 25.Ke2 Rd7 (25...Rd6 26.Ne3=+) 26.Ne5 Rd5 (26...Re7 27.Kf2=+) 27.Nc6 (27.Nf3 Ke7 28.Ra7 Rd7 29.Rd7 Bd7=) 27...Rc5=+ 28.Nd4 Bc4 29.Kd2 (29.Ke3 a6=+) 29...a6-/+ 30.Rb1 (30.Re1 g6-/+) 30...g6 31.Ra4 (31.Rb7 Kg7-/+) 31...Kg7 32.Rbb4 (32.Rb7 Rhc8-/+) 32...Rhc8 (32...Bf1 33.g3-/+) 33.Rb7 (33.g4 R8c7-/+) 33...Kf6 (33...R8c7 34.Rc7 Rc7 35.g4-/+) 34.Rab4 (34.h4 h5-/+) 34...R8c7 (34...Ra5 35.R4b6 Kg7 36.g4-/+) 35.R4b6 Kg5 (35...Kg7 36.Rc7 Rc7 37.Rb8-/+) 36.Nf3 Kh5 37.Rb8 (37.Rc7 Rc7 38.Ne5 Bf1-/+) 37...Rd5 (37...Bf1 38.Rh8 Kh6 39.g4-+) 38.Nd4 (38.Kc2 Bf1 39.R6b7 Rb7 40.Rb7 Rf5-+) 38...Re7 (38...Ra5 39.h3-+) 39.Kc2 (39.Rb4 Bf1 40.R8b7 Rdd7 41.Rd7 Rd7-/+) 39...Bf1 (39...Ra5 40.Rb2-+) 40.g3-/+ Kg4 (better 40...f5-/+) 41.Rh8? (41.Rf6 Bg2 42.Rf4 Kg5=+) 41...h5?? (better 41...Rh5 42.h4 Kg3-+) 42.Rf6=+ Bc4 43.Rf4 (43.Rc8 Bb5=+) 43...Kh3-/+ 44.Rh4 (44.Rc8!? g5 45.Rf6-/+) 44...Kg2 45.Rc8 Bf1 46.Rc6 (46.c4 Rdd7 47.Nc6 Re2 48.Kb3 Re3 49.Kb4 Be2-+) 46...Ra5-+ 47.Kb3?? (better 47.Rb6-+) 47...Rb7 48.Kc2 (48.Nb5 Rab5 49.Rb4 Kh2 50.Rf6-+) 48...Ra2 49.Kc1 Bd3 50.Nc2 Rc2 (50...Rc2 51.Kd1 Rb1) 0–1. Oberholzer,Francois (2030) – Simonovic,Miroslav (2215), PRO League Eastern, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    10.d4 e4 11.Ng1 Nf6 (11...Bd6 12.d5 Nce7 13.Ba3 (worse is 13.Ra7 Ra7 14.Na7 Qa5 15.Nc8 Qc3 16.Bd2 Qc8+=) 13...Ba3 14.Ra3+=) 12.d5+= Bc5 13.Bf4 (13.dc6?? Bf2 14.Kf2 Qd1-+) 13...0-0 14.Nc7?? (better is 14.dc6 Qb6 15.Nd4+/-) 14...Ne7 15.Na8? (better is 15.d6!? Ng6 16.Be3 Be3 17.fe3-/+) 15...Ned5-+ 16.Bg3 e3 17.f3 Nh5?? (better is 17...Qe7 18.Bc4 Nc3-+) 18.Ne2 (18.Bc4!? Be6 19.Ne2=) 18...Bf5 19.Nc7?? (better is 19.Be5 Nb4 20.Qd8 (20.cb4?? Bb4 21.Nc3 Qh4 22.g3 Bc3 23.Bc3 Ng3-+) 20...Nc2 21.Kd1 Rd8 22.Nd4 Na1 23.g4-+) 19...Nb4!-+ 20.Nd4 Bd4 21.Nb5 Nc2 22.Ke2 Qd5 23.Nd6 Ng3 24.hg3 Qd6 25.Rh5 Bg6 26.Rc5 Na1 27.Qd4 Qa6 28.c4 Qa2 29.Kd1 Qc2 (29...Qc2 30.Ke1 Qf2 31.Kd1 Qf1) 0–1. Melkumjanc,Nikolaj (2255) – Schenker,Roberto (2125), 2013. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    10.d4 Be6 11.d5!+/- (worse 11.Ne5 Ne5 12.de5 Qd1 13.Kd1 Rd8 14.Bd2 a6 15.Nc7 Kd7 16.Ne6 Ke6+=) 11...a6 (11...Qd5 12.Nc7 Double attack (12.Nc7 Decoy); 11...Bd5 12.Qd5) 12.de6 ab5 13.Ra8 Qa8 14.ef7 Kf7 15.Qd5 (15.Bb5 Qa5 16.Qb3 Kf8+-) 15...Kf8 16.Bb5 Nf6 17.Qb3 e4 18.Ng5 Qe8?? (better 18...Nd8+/-) 19.Ne6+- Kg8 (19...Kf7 20.Nc7 Kg6 21.Ne8 Re8 22.Be2+-) 20.Nc7 Qf7 21.Bc4 (21.Bc4 Qc4 22.Qc4 Kf8 23.Ne6 Kf7 24.Ng5 Ke8 25.Qf7 Kd7 26.Ke2+-) 1-0. Leisch,Lukas (2400) - Sandhoefner,F (2280), ch-AUT Blitz, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3)

    10.d4 Bg4 11.d5 a6 12.dc6 Qd1 13.Kd1 Bf3 14.Ke1 Rc8 15.gf3 A) 15...ab5?? 16.cb7 Rb8 17.Ra8+-; B) 15...Rc6=.

    10.d4=+ Bg4 11.d5 e4 12.Qa4 ef3= 13.Qg4 Nf6 14.Qf3+- Ne5 15.Qe2 0-0 16.Qe5 Re8 17.Be3 a6 18.Nd4 Bb4+= 19.Ne6 fe6? 20.de6?? Bd6 21.Qd4= Qc7 22.Qc4 Qe7 23.Qb3 Rac8 24.Bd4 Qe6=+ 25.Qe6 Re6 26.Kd2 Kf8 27.Bd3= Rd8 28.Rhb1 b5 29.Kc2 Be7 30.Ra2 Rc6 31.Kb3 b4 32.Ra6? Ra6?? 33.Ba6+= bc3 34.Bc3 Rb8 35.Kc2+/- Rb1 36.Kb1 Bc5 37.f3 Nd5 38.Be5 Ne3 39.g4 Nd5 40.Bd3 g6 41.Kb2 Be3 42.Bc4 Bf4 43.Bf4 Nf4 44.Kc3 Kg7 45.Kd4 Kf6 46.Ke4 g5 47.h4 h6 48.hg5 hg5 ½–½. Haub,Thorsten Michael (2295) – Heppekausen,Jochen, NRW–Liga I, 1992.

    10.d4 ed4

    11.cd4 Bb4 12.Bd2 Bd2 13.Qd2 Nf6 14.d5 Ne7 15.d6 Ned5 16.Bc4 Be6 17.g4? (better is 17.Qd4!? 0-0 18.Ra7 Ra7 19.Qa7-/+) 17...0-0-+ 18.g5 Ne4 19.Qd4 Nd6 20.Nd6 Qd6 21.Nd2 Rfd8 22.Ra7 (22.Bd3-+) 22...Ra7 23.Qa7 Nf4 (23...Nf4 24.0-0 Bc4 25.Nc4 Qd5-+) 0–1. Selva Salvador – Bixquert Jimenez, Valencia–ch Absoluto, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    11.Bf4 Kf8

    12.Bc4 dc3 13.Qd8 Bd8 14.Nc3-+.

    12.Bc4 Bg4 13.0-0? (13.h3!? Bh5 14.g4=+) 13...Rc8 (better 13...dc3 14.Qc1 Bf3 15.gf3 Bb4-+) 14.Qb3? (better 14.h3 Bh5 15.Be2 dc3 16.Qc1-/+) 14...Bf3-+ 15.gf3 Na5 (15...a6!? 16.Rfd1 ab5 17.Bf7-+) 16.Ra5 Qa5 17.Bf7 Qb6 (17...dc3 18.Bg8 Rg8 19.Nd6+-) 18.Bh5 (18.cd4 Qf6 19.Bg8 Qf4-+ (19...Rg8?! 20.Nc7=+)) 18...g6 19.Bg4 Rc5 20.c4? (20.Nd4 Qb3 21.Nb3 Rc3 22.Be5 Rb3 23.Bh8-+) 20...a6 (better 20...h5 21.Nd4 Qb3 (21...hg4?! 22.Qb6 ab6 23.Ne6 Kf7 24.Nc5 Bc5 25.fg4-+) 22.Nb3 Rc4-+) 21.Qd3 (21.Nd4 Qb3 22.Nb3 Rc4 23.Be5-+) 21...ab5 22.Qd4 Qf6 23.Qe3 (23.Be3 Rc4 24.Qd2 Qc6-+) 23...h5 (23...bc4 24.Rd1-+) 24.Bh3 (24.Bd7 g5 25.Bb8 bc4-+) 24...Kg7 (24...bc4!? 25.Re1-+) 25.Re1 (25.cb5 Rb5 26.Rd1 h4-+) 25...bc4 26.Be6 Nh6 27.Bd7 (27.Bc4 Bd6 28.Bd6 Qd6-+ (28...Rc4 29.Be5 Rf8 30.Qb6+/-)) 27...Nf5 (better 27...Bd6!? 28.Qc5 Bc5 29.Be5-+) 28.Bf5 Rf5 (worse 28...gf5 29.Qe7 Qe7 30.Re7 Kf6 31.Rb7-+; 28...Qf5?! 29.Qe7 Qf7 30.Qc5 Qf4 31.Re4=+) 29.Qe7 Qe7 30.Re7 Kf6 31.Re4 Rc8 32.Be3 Rf3 (32...c3 33.Kg2-+) 33.Bd4 (33.Kg2 Rf5-+) 33...Kf7 34.Kg2 Rd3 35.Rf4 Ke6 36.Rf6 (36.Bg7 Kd5 37.Rf6 Rc6-+) 36...Kd5 37.Be3 Re3! 38.fe3 c3 0-1. Williams,Si1 (2460) - Ibarra Jerez,JC (2550), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3)

    12.Nc7 Rb8 13.Nb5 Ra8 14.Nc7 Rb8 ½–½. Goebl,Werner – Krewett,Fabian, corr, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8 10.d4 ed4)

    12.Nc7 Rb8 13.Nd4+= Nd4 14.Qd4 Qd4 15.cd4 Bb4 16.Kd1 Bg4 17.f3 Rd8 18.d5 Bc8 19.Ra7+/- Nf6 20.Bc4 h5 21.Ke2 Ne8 22.Ne8 Re8 23.Kd1 h4 24.Ra4 Bc5+= 25.Ra8 Bb4 26.Ra4 Bc5= 27.Ra8 ½–½. Feller,J (2170) – Arkhangelsky,B (2355), 7th ch–Euro Senior, Hockenheim GER, 2007.

    12.Nc7 Rb8 13.Nd4 Bd7 14.Bc4 Rc8?? (better 14...Nf6 15.Ba2 Kg8+=) 15.Qh5+- (15.Qh5 Ne5 16.Qe5+-) 1–0. Kutsanyan,Andranik (2165) – Nedilko,Vasily (2395), Mukachevo Summer, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8 10.d4 ed4 11.Bf4 Kf8)

    12.Nc7 g5 13.Bg3 Rb8 14.Nb5 Ra8 15.Nc7 ½–½. Neumann,Ulrich – Deforel,Jorge Eduardo (1970), IECG, 2002.

    12.Nbd4 Nd4 13.Nd4 g5 14.Be3 h6 (14...Nh6!?=) 15.Bc4 Nf6 16.Qb3 Rh7 17.0-0 a6 18.Nf3 b5 19.Rfd1 Qc7 (19...Qe8 20.Bd3 Be6 21.Qc2+=) 20.Bd3 (20.Bb5 Rg7+/-) 20...Rg7 21.Bd4 (21.Bb5 Bb7 22.Be2 Ne4+=) 21...Bb7 22.Be5 (22.Bb5 Bf3 23.gf3 g4+=) 22...Qc5 23.Be2?? (better is 23.Bd4 Qc7 24.Bb5 Bf3 25.gf3=) 23...g4-+ 24.Bd4? (better is 24.Bf6 Bf6 25.Nd4-+) 24...gf3 25.Bc5 Rg2 26.Kf1 fe2 27.Ke2 Bc5 28.Rf1 Bd5 29.Qc2 Bc4 30.Kf3 Bd5 31.Ke2 Bc4 32.Kf3 Bf1 33.Rf1 Rg5 34.h4 Re5 35.Qd2 Rf5 36.Kg2 Kg7 37.Kh3 Rf3 38.Kg2= Rf5 39.f4?? Re8 40.Rf3 Ne4 41.Qd7 Re6 42.Kh3 h5 43.Qd3 Nf2 (43...Nf2 44.Rf2 Re3 (44...Bf2?! 45.Qf5 Re3 46.Kg2 Bh4 47.Qh5 Rg3 48.Kh2+=) 45.Qe3 Be3 46.Rg2 Kf8-+) 0–1. Namyslo,H (2230) – Weber,U (2420), Bad Wiessee GER, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    12.Nfd4 Nd4=+ 13.Qd4 Qd4 14.cd4 a5 15.Nc7 Ra7 16.Bd3 Nf6 17.0-0 Bd7 18.Rfc1 b6 19.d5 Bc5 20.d6 Ne8 21.Rc5 bc5 22.Be3 Rb7 23.Bc5+= Rb3 24.Re1 Rb8 25.Re7 Nf6 26.h4 h5 27.Bd4 Be6 28.Ne6 fe6 29.Bc5 Rd8 30.Bb5 Ne4 31.Ba3 Nc3 32.Bc4 Nb1 33.Bc5 Nd2 34.Bd3 Nb3 35.Ba3 g6 36.Re6+- a4 37.Re7 Na5 38.Bb5 (38.Bg6?! Nc4 39.Bc5 Nd6+-) 1–0. Kuna,Heiko (2360) – Traut,Gerhard (2175), RSLE–2010, 2010.

    8.Na3 Bd7

    9.Nc4 Nc6 10.Nb6 Qe4 11.Qe2 Qe2= 12.Be2 Rd8 13.Nd7 Rd7 14.Bb5 Bf6 15.Bc6 bc6 16.Kd1 Ne7 17.Re1 e4 18.Re4 Bc3 19.Ra6 f5 20.Re6 Bf6= 21.Ba3 Kf7 22.Re7 Re7 23.Be7 Ke7 24.Rc6 Ra8 25.Ra6 Kd7 26.Kc2 Kc8 27.d4 Kb7 28.Ra5 g6 29.Ne5 ½–½. Kuna,Heiko (2360) – Heinrich,Olaf (2285), RSS7E pro–113, 2010.

    9.Nc4 Nc6 10.Ne3 Qd6 11.Ba3 Qb8 12.d4=+ Ba3 13.Ra3 ed4 14.cd4 Nf6 15.Be2 0-0 16.0-0 Re8 17.Qb3 Be6 18.Qb2 Qd6 19.Bc4 Bc4 20.Nc4 Qe6 21.Ne3 b6 22.h3 Nd5 23.Rc1 Rac8 24.Nd5 Qd5 25.Rac3 f6 26.R3c2 Re6 27.Re2 Rce8 28.Re6 Re6 29.Rc3 Re8 30.Rc2 h6 31.Qc3 Rc8 32.Qb2 Rd8 33.Kh1 Rd6 34.Rc1 Kh7 35.Qc2 f5 36.Qa4 a5 37.Rb1 Nb4 38.Rd1 Qc6 39.Qa3 Qc2 40.Rd2 Qe4 41.Kg1 Rc6 42.Rd1 Qc2 43.Qa1 Nd5 44.Re1 Rc3 45.Re5 Qc1 46.Re1 Qa1 47.Ra1 Rc4 48.Kf1 a4 49.Ke1 b5 50.h4 Rc2 51.Kf1 Kg6 52.Ne1 Rc3 53.Ke2 a3 54.Kd2 b4 55.Nd3 b3 (55...b3 56.Ra3 Rc2 57.Ke1 b2 58.Nb2 Rb2 59.Ra6 Kh7-+) 0–1. Scacco,Mauro (2210) – Kaczorowski,Piotr (2400), IECC, 1999.

    9.Nc4 Nc6 10.Ne3 Qd6 11.Bb5 Nf6 12.0-0 Qb8 13.Rb1 0-0 14.d4 e4 15.Bc6 Bc6-/+ 16.Ne5 Qc7 17.Nf5 Bd6 18.Bf4 Be5 19.Be5 Qd7 20.Ng7 Kg7-/+ 21.Qh5 h6 22.c4 Rae8 23.Rb3= Re5 24.Qe5 Qe6 25.Qg3 Kh7 26.d5 Nd5 27.cd5 Bd5 28.Re3 Qf6 29.Qc7 Ra8 30.Rd1 Bc6 31.Ra3 Rg8 32.Rg3 Rg3 33.hg3 e3 34.fe3 Qe6 35.Qf4 Qa2 36.e4 Qc4 37.Kh2 f6? 38.Qf6+- (38.Qf6 Be8 39.e5+-) 1–0. Marshall,Frank James – Heinemann,C, ch Marshall CC, New York, 1942.

    9.Nc4 Qe4 10.Qe2= Qe2 11.Be2 Nc6 12.Nfe5 Ne5 13.Ne5 Nf6 14.Bf3 Bc8 15.Nc4 Nd7 16.d4 a6 17.Bf4 0-0 18.Kd2+/- g5 19.Bd6+- Bd6 20.Nd6 Rb8 21.Rhe1 g4 22.Bg4 Nc5 23.Nc8 Nb3 24.Kd3 Na1 25.Ne7 Kg7 26.Ra1 Kf6 27.Nd5 Kg5 28.Bf3 f5 29.Rb1 b5 30.Ra1 Ra8 31.Nc7 Rac8 1–0. Lutz,Klaus Juergen – Ullrich,Manfred, Hessen–ch qual–C (9), 1988.

    9.Bc4 Qe4

    10.Kf1 Nc6 11.Qb3 Qg6 12.Qb7 Rb8 13.Qa6 Nf6 14.Nb5 0-0 15.d3 Bc5 16.Ba3 Ba3 17.Qa3 e4 18.de4 Ne4 19.Nbd4 (19.Na7? Ra8 20.Qb2 Ra7 21.Ra7 Na7-+) 19...Rfe8 20.Kg1 Nd4 21.cd4 Nf2 22.Bf7 Qf7 23.Kf2 Rb3 24.Qc1 (24.Qa7 Rb2 25.Kf1 Qe6 26.Qa2 Bb5 27.Kg1 Ra2 28.Ne5 Qf5 29.Nf3 Ree2 30.Ra2 Qb1 31.Ne1 Qe1) 24...Rf8 25.Re1 Rf3 (25...Rf3 26.Kg1 Rf2-+) 0–1. Neumann,Ulrich – Lagerlof,Folke (1805), IECG, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Bd7 9.Bc4 Qe4)

    10.Kf1 Nc6 11.d3 Qf5 12.Nb5 Kf8 13.Qb3 b6 14.Ng5 Nh6 15.Ne4 Na5 16.Qa2 Bc6 17.Nc7 Rd8 18.Nd5 Qd7 19.Ne7 Be4 20.Ba3 Bd3 21.Bd3 Qd3 22.Qe2 Ke8 23.Bb4 f6 24.h3 Kf7 25.Ba5 Ke7 26.Bb4 Ke6 27.Qd3 Rd3 28.Ke2 Rd7 29.Ra6 Rc8 30.Rha1 Rcc7 31.R1a3 Nf5 32.g3 g6 33.Kf3 h5 34.Kg2 h4 35.g4 Ne7 36.Be7 Ke7 37.Kf3 Rd3 38.Kg2 Rcc3 39.Ra7 Ke6 40.R3a6 Rd6 41.Rb7 Rb3 42.Ra2 Rc3 43.Rb2?? Rcc6-+ 44.Rb5 e4 45.Kf1 Rc1 46.Ke2 Rc3 47.g5 Rh3 48.R7b6 Rf3 49.Rb8 f5 50.Rg8 Kd7 51.Rb7 Kc6 52.Rbg7 h3 53.Rg6 Rg6 54.Rg6 Kd7 55.Rh6 Ke7 56.Rh7 Ke6 57.Rc7 Ra3 58.g6 h2 59.g7 Ra8-+ 60.Rc6 Kf7 61.Rh6 Kg7 62.Rh2 Kf6 63.Rh6 Ke5 64.Rh5 Ra3 65.Rg5 Kf4 66.Rg7 Ra2 67.Ke1 Ke5 68.Re7 Kf6 69.Re8 Kf7 ½–½. Neumann,Ulrich – McLeod,Fraser (2000), IECG, 1999.

    10.Kf1 Nc6 11.d4 Rd8 12.Qb3 ed4 13.Ng5 Bg5 14.Bg5 Nge7 15.Nb5 0-0 16.Re1 Qg6 17.Be7 Ne7 18.Re7 Bb5 19.Qb5 dc3 20.Re1 c2 21.Qa4 Rd2 22.g4 (22.Qa7 Qc6 23.Kg1 Re8 24.Re8 Qe8 25.Bf7 Qf7 26.Qa8 Qf8 27.Qf8 Kf8-+) 22...Qf6 23.Be2 Qe6 (23...Qe6 24.Kg2 Re2 25.Re2 Qe2-+) 0–1. Trani,Francesco – Valderrama,Elmer, IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Bd7 9.Bc4 Qe4)

    10.Kf1 Bg4 11.d3 Bf3 12.gf3 Qf5 13.Nb5 Qd7 14.Rg1 Kf8 15.Ra7 Ra7 16.Na7 Nf6 17.Qe2 Qh3 18.Rg2 Bc5 19.Kg1 Nbd7 20.Nb5 h6 21.Be3 Be3 22.Qe3 Nh5 23.d4 Qf5 24.Kh1 Nf4 25.Rg1 Qf6 26.de5 Ne5 27.Re1 Qg5 28.Bf1 f6 29.Nd6 Nfg6 30.Rb1 Qe3 31.fe3 b6 32.Rb6 Nf3 33.Nf5 Nfe5 34.Rb7 Nc6 35.Bb5 Nd8 36.Rc7 h5 37.h4 Ne5 38.Re7 Ndc6 39.Rg7 Rg8 40.Rc7 (40.Rc7 Nd8 41.Rc8+-) 1–0. Neumann,Ulrich (1635) – Silva,Marcelo, IECG, 2005.

    10.Be2 Nf6

    11.0-0 0-0 12.d4 ed4 13.Re1 Qc6 14.cd4 Be6 15.Bd3 Nbd7 16.Ng5 Bb4 17.Ne6 fe6 18.Bd2 Bd2 19.Qd2 Nd5 20.Nb5 Nf4-/+ 21.Bf1 a6 22.Rac1 Qb6 23.Nc3 Nd5 24.g3 Nc3 25.Qc3 Rae8 26.Rb1 Qa7 27.Bh3 Rf6 28.Re3 b5 29.Rc1 Nf8-/+ 30.d5 e5 31.Qd2 Qb6 32.Bg2 Nd7 33.Rc6 Qd8 34.Qa2 Ref8 35.Re2 Kh8 36.Ra6= Nb6 37.Qa3 Nd5 38.Rf6 Nf6 39.Re5 Ng4 40.Rd5 Qe8 41.Rd2 Qe1 42.Bf1 Rg8 43.Re2 Qd1 44.h3 Nh2 45.Kh2 Qf1 46.Qb2 b4 47.Re4 Rf8 48.f4 h5 49.h4 Qf3 50.Rb4 Re8 51.Rb8 ½–½. Jones,Michael P. C – Coyne,David W, BCCA Webserver Preliminary Group, 2007.

    11.0-0 0-0 12.Re1 Ba4 13.d3 Bd1 14.de4 Be2 15.Re2 Rd8 16.Bb2 Ba3 17.Ba3 Nc6 18.Kf1 Rd3 19.Bb2 Nh5 20.Ne1 Rd7 21.g3 Rad8 22.Nc2 b6 23.Ne3 Nf6 24.f3 Na5 25.c4 Nb3 26.Ra3 Nd4 27.Bd4 ed4 (worse is 27...Rd4 28.Ra7 Nd7 29.Rc2+=) 28.Nd5 Nd5 29.cd5 ½–½. Ingvaldsen,Jonas A (1880) – Laverton,Christian (1645), Trondheim tt U26, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Bd7 9.Bc4 Qe4)

    11.0-0 0-0 12.Re1 Ba4 13.d3 Bd1 14.de4 Be2 15.Re2 Rd8 16.Bb2 Ba3 17.Ba3 Nc6 18.h3 Rd3 19.c4 Rad8 20.Bb2-/+ Rd1 21.Kh2 Ra1 22.Ba1 Nd7 23.Rb2 b6 24.Rd2 f6 25.Rd6 Ndb8 26.Rd8 Nd8 27.Nd2 Ne6 28.g3 Nc6 29.Kg2 Kf8 30.Bb2 Ke7 31.Kf3 Kd6 32.Ba3 Nc5 33.Kg4 Nd4 34.f4 Ke6 35.h4 Ndb3 36.f5 Kf7 37.Nb3 Nb3 38.Kf3 Nd2 39.Ke2 Ne4 40.g4 Nc5 41.Ke3 a5 42.g5 g6 43.gf6 gf5 (< 43...Kf6 44.fg6 Kg6 45.Bb2-+) 0–1. Hamann,C – Menacher,Manfred, Nuremberg op (4), 1990.

    11.0-0 0-0 12.Re1 Ba4 13.Bd3 Bd1 14.Be4 Ne4 15.Rd1 (15.Ne5 Nc3 16.dc3 Ba4+=) 15...f6 (15...Bc5!? 16.Rf1 Nc6-+) 16.Nb5-/+ Nc6 17.d3 Nd6 18.Nc7 Rac8 19.Nd5 Rfd8 20.c4 Kf7 21.Be3 b6 22.c5 bc5 23.Bc5 Ke6 (better is 23...Rd7!?-/+) 24.Ne7+= Ke7 25.Ba7 Na7 26.Ra7 Rd7 27.Rd7 Kd7 28.d4 ed4 29.Nd4 Ke7 30.f3 Kf7 31.Kf2 Re8 32.Nc6 Nf5 33.g4 Ne7 34.Rd7 Ke6 35.Re7 Re7 36.Ne7 Ke7 37.Ke3 ½–½. Pomaro,Stefano (1900) – Fogliati,Alessandro (1805), Asti Alfieri op 2nd, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Bd7 9.Bc4 Qe4)

    11.Nc4 Nc6 12.Qb3 0-0 13.Qb7 Rab8 14.Qa6 Nd5 15.d3 Qf5 16.Ne3 Ne3 17.Be3 Rb3 18.Bd2 Rb6 19.Qa4 Nb4 20.Qa7= Nc2 21.Kf1 Bc5 22.Rc1 Bc6 23.h3 e4 24.g4 Qe6 25.de4 Qe4 26.Rh2 Re8-+ 27.Qf7 Kf7 28.Ng5 Kg8 29.Ne4 Be4 30.h4 Rf8 31.Kg1 Rbf6 32.Rf1 Rd6 33.Bc4 Kh8 34.Bg5 h6 35.Be7 Rg6 36.Bg5 Rf4!! 37.Rd1 Rd6 38.Rb1 Rg4 39.Kf1 Bf3 40.Bf7 Re4 41.Be3 Ne3 42.fe3 Re3 43.h5 Red3 44.Rb8 Rd8 45.Rd8 Rd8 (45...Rd8 46.Re2 Be2 47.Ke2 Rd7-+) 0–1. Neumann,Ulrich (1855) – Kirpikov,Alexander (1955), IECC, 2003.

    8.Na3 Nf6

    9.Nb5 Qd8

    10.Ra7 Ra7 11.Na7 e4 12.Nd4 Bd7 13.Qb3 b6 14.Bc4 0-0 15.0-0 Bc5 16.Re1 Qc7 17.Nab5 Bb5 18.Nb5 Qd7 19.Nd4 Nc6 20.Nc6 Qc6 21.h3 Qd6 22.Re2 h6 23.Qa4 Rd8 24.Bb2 Qf4 25.Bc1 Nh5 26.Qa7 (26.Qb3!?+=) 26...Kh8 27.Re3 Qh4 28.Qa4 Qf6 29.d4 ed3 30.Re8 Kh7 31.Be3 Be3 32.Re3 Nf4 (32...Qc3 33.Bd3 Rd3 34.Qe4 Kh8 35.Qd3 Qc1 36.Qf1+/-) 33.Kh2 Qc3 34.Qb5 Qa5 35.Qb1 Qg5 36.Rg3 Qe5 37.Qb6 Rd7 38.Qb1 f5 39.Re3 Qd6 40.g3 Qc6 (40...Qc6 41.gf4 Qc4-+) 0–1. Neumann,Ulrich – Richkov,Sergei (1765), IECG, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nf6 9.Nb5 Qd8)

    10.Bc4 Nc6 11.Qb3 a6 12.Bf7 Kf8 13.Ng5 Qb6 14.Ba3 Nd8 15.Nd6 Qc6 16.Nc8 Rc8 17.0-0 Ba3 18.Qa3 Qc5 19.Qc5 (better is 19.Qb3!?+=) 19...Rc5+= 20.Rfb1 e4 21.Ne6 Ne6 22.Be6 Ke7 23.Rb7 Ke6 24.Ra6 Kf5 25.Rg7 Rf8 26.h4 h6 27.Kf1 Rd5 28.Ke1 Rfd8 29.Rf7 R8d6 30.Rd6 Rd6 31.Ra7 Kg4 32.g3 Kf3 33.Ra5 Rd5 34.Ra3 Ng4 35.c4 Rd3 36.Ra5 Kg2-+ 37.Ra6 Rb3 38.Kd1 Kf2 39.Re6 e3 40.Kc2 Rb4 41.Kc3 ed2 42.Rd6 Rc4! 43.Kc4 d1Q 44.Rd1-/+ Ne3 45.Kd4 Nd1 46.g4 Kf3 ½–½. Neumann,Ulrich – Dudley,Bruce, IECG, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nf6 9.Nb5 Qd8)

    10.Ne5 0-0 11.Ra7 Ra7 12.Na7 Qa5 13.Nb5 Nc6 14.Nf3 Bg4 15.Be2 Bf3 16.gf3 Na7 17.Na7 Qa7 18.Qb3 Bd6 19.Kf1 Qc5 20.h4 Rc8 21.Qb5 Qc7 22.Rg1 Qe7 23.Bc4 Bh2 24.Rh1 Bf4 25.Kg2 g6 0–1. Ruhmke,Stephan (2235) – Jarecki,Marian (2240), RSS7E adv–91, 2009.

    10.Ne5 Nc6

    11.d4 Be6 12.Qa4 0-0=+ 13.Qc2 Ne5 14.de5=+ Nd7 15.f4 Nc5 16.Be2 a6 17.Nd4= Qd7 18.Ne6 Qe6 19.Ba3 Rac8 20.Bc5 Bc5=+ 21.Ra4 b5-/+ 22.Re4 Rfe8 23.Bd3 Rc7 24.Rf1 Rec8 25.Rf3 Bb6 26.Re2=+ Ba5 27.Bh7 Kf8 28.Ree3 Qb6 ½–½. Neumann,Ulrich – Watson,Roger E (1670), IECC, 1998.

    ...11.Nc6 bc6

    12.Nd4 0-0 13.Be2 Qc7=+ 14.0-0 Bd6 15.h3 Bd7 16.Ba3 c5 17.Nb5 Bb5 18.Bb5 Rab8 19.Bc4 Rfe8 20.Qc2 Re7 21.Rfe1 Rbe8 22.Re7 Re7 23.Kf1 Nh5 24.Re1 Re1 25.Ke1 Nf4 26.Kf1 Qc6 27.f3 g6 28.Qb3 Qc7= 29.Qb1 Kg7 30.Qe4 f5 31.Qe8 Kh6 32.d3 Qa5 33.Bb2 Nh5 34.Bc1 f4 35.Qe1 Kg7 36.Kf2 Qa1 37.Bd2 Qe1 38.Ke1 Ng3 39.Bc1 a5=+ 40.Bb5 Nf5 41.Bd7 ½–½. Jones,Michael P. C – Smyth,Sandy, BCCA Webserver Preliminary Group, 2007.

    12.Nd4 Qc7 13.Bc4 0-0 14.0-0 Ng4 15.g3 Ne5=+ 16.Be2 c5 17.Nf3 Bb7 18.d4 Nf3 19.Bf3 Bf3 20.Qf3 cd4 21.cd4 a5 22.Bf4 Qd7 23.d5 Bf6 24.Ra2 a4 25.d6 h6 26.Rd1= Ra6 27.h4 Re8=+ 28.Kg2 ½–½. Kuna,Heiko (2360) – Kisshauer,Uwe (2295), RSS7E high–83, 2010.

    12.Nd4 Bd7 13.Bc4 0-0 14.Qc2 Bd6 15.0-0 Qc7 16.g3 Bh3 17.Rd1 c5 18.Nf5 Qc6 19.Ne3 a5 20.d4 cd4 21.cd4 Qf3 22.Ba3 Ba3 23.Ra3 Rfd8 24.Be2 Qb7 25.Qa2 Qc7 26.Bf3 Ra6 27.d5 Qc5 28.Qa1 Bd7= 29.Rc1 Qb4 30.Nc4 a4 31.Ne5 Re8 32.Nd7 Nd7 33.Rb1 Qa5 34.Qd4 Rb6 35.Rb6 Nb6 36.d6 Qb5 37.Kg2 h6 38.Ra2 Re1 39.h4 Qf1 40.Kh2 Qg1 41.Kh3 Qf1 42.Bg2 Qb5 43.Rb2 Qd7 44.Kh2 Nc8 45.Be4 g5 46.Rb7 Re4?? 47.Qe4+- Nd6 48.Rb8 Kg7 49.Qe5 f6 50.Qd5 Kg6 51.Rg8 Kh7 52.Rf8 (52.Rf8 Kg6 53.h5 Kh5 54.Rf6 Qb5 55.g4 Kh4 56.Qf3 Qe5 57.Kg2 Qh2 58.Kh2 h5 59.Qg3) 1–0. Kuna,Heiko (2330) – Kahl,Karl_Heinz (2195), RSS7E pioneer–2, 2008.

    12.Nd4 Bd7 13.Qf3 Qc7 14.Bb5 Rc8 15.Ba6 Rb8 16.h3 0-0 17.0-0 Rfe8 18.Nf5 Bf5 19.Qf5 Bd6 20.Qc2 c5 21.d3 Nd5 22.Bd2 Bh2 23.Kh1 Bf4 24.Bf4 Nf4 25.Qa4 Qe5 26.Bc4 Rb7 (worse is 26...Qc3 27.Bf7 Kf7 28.Qf4 Kg8 29.Ra7+=) 27.Rae1 Qe1 28.Re1 Re1 29.Kh2 g6 30.Qc6 Ree7 ½–½. Neumann,Ulrich – Verdier,Patrice (2345), IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.ab4 Bb4 7.c3 Be7 8.Na3 Nf6)

    12.Qf3 Bd7= 13.Nd4 0-0 14.Ba6 Qc7 15.h3 c5 16.Nf5 Qe5 17.Ne3 Bd6 18.Be2 Bc7 19.Nc4 Qe6 20.Qe3 Ne4 21.0-0 Rfe8 22.Bd3 f5 23.Re1 Qd5 24.Qf3 Bb5 25.Nb2 c4 26.Bf1 Bb6 27.Nd1 f4 28.Qf4 Nf2 29.Ne3 Nd3 30.Bd3 Qd3 31.Kh1 Re4 32.Qg5 Bc6 33.Bb2?? Qd2 34.Rad1 Re3 35.Rd2 Rh3 0–1. Lutz,Klaus Juergen (2325) – De Firmian,Nick E (2545), Biel op (3), 1993.

    6.c4 bc3

    7.Nc3 Qc5 8.Qb3 Nc6 9.Bc4 Nh6 10.0-0 Na5 11.Bb5 Bd7 12.Bd7 Kd7 13.Qa4 Nc6 14.Rb1 Kc8 15.Rb5 Qd6 16.Rd5 Qe6 17.Re1 Can e5 get defended? 17...f6 18.d4 Nf7 19.de5 Nfe5 20.Kf1 Be7+= 21.Ne5 fe5 22.Qc4 Re8? 23.Ree5+/- Qg6 24.Bf4 a6 25.Ne4 Ra7 26.Rd6!! Bd6 27.Re8 Kd7 28.Nd6 Qf6 29.Re1 b5 30.Qc1 Ra8 31.Rd1 (31.Rd1 Nd4 32.Qe3+-) 1–0. McCollum,Patrick – Winslow,Elliott C (2280), Berkeley Peoples op, 1989. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Nc3 Qd8 8.Ne5+= Nf6 (8...Bd6 9.Bb5 Nd7 10.Nc4+=) 9.Bc4+- Be6 10.Be6 fe6 11.Qb3 Qb6 12.Qa4 (12.Qb6 ab6 13.Nb5 Nd5+=) 12...Nbd7+= 13.0-0 Bd6 (13...Rc8 14.Rb1 Qa6 15.Nd7 Nd7 16.Qa6 ba6 17.Rb7+=) 14.Nd7 (14.Rb1!? Qa6 15.Nd7 Nd7 16.Qa6 ba6 17.d4+-) 14...Nd7= 15.Rb1 Qc6 16.Qg4 0-0-0 (16...Be5 17.d4 Bf6 18.Bd2+=) 17.Nb5 (17.Qg7 Rhg8 18.Nb5 Bc5 (18...Rg7?! 19.Na7 Kc7 20.Nc6 Kc6 21.d4-+) 19.Na7 Ba7-+) 17...Kb8 (17...Bb8 A) 18.Qg7 Rhg8 19.Bb2 e5 (19...Qb5?! 20.Qh7 Qd5 21.Rfc1 Bc7 22.g3-+) 20.Qg8 Rg8-+; B) 18.Re1 Nf6 19.Qb4+- (19.Qg7 Rhg8 20.Qc7 Qc7 21.Nc7 Bc7-+; 19.Qe6?! Qe6 20.Re6 a6+-)) 18.d4 (18.Qg7?? Rhg8 19.Qg8 Rg8-+; 18.Nd6?! Qd6 19.d4 Ka8+-) 18...Nf6 19.Qh4 (19.Qg7? Rhg8 20.Bh6 Rg7 21.Bg7 Ne8-+) 19...Nd5 20.Bg5 Rc8 21.Rfe1 (21.Rfc1 Qd7+-) 21...h6 22.Bd2 g5 23.Qh3 (23.Qe4 Be7 24.Qe5 Ka8+-) 23...Nf4 (23...Bf4!? 24.Rec1 Qd7 25.Bf4 Nf4 26.Rc8 Rc8=) 24.Bf4+- Bf4 25.g3 (25.Re6? Qb5 26.Ree1 Qd5-+) 25...Bd2 (25...a6 26.Qe6 Qe6 27.Re6 Rc1 28.Re1 Re1 29.Re1 Bg3 30.hg3 ab5 31.f4+-) 26.Re6 Qc2 27.Qf1 (better 27.Rf1+-) 27...Rhf8? (27...Bc1 28.Qe2+-) 28.Re7 (28.Na7 Qc4 29.Nc8 Qe6 30.Qd3+-) 28...Qc6?? (better 28...Rf2 29.Qd1 Rff8 30.Na7 Be3 31.Kh1 Rf2 32.Qc2 Rcc2 33.Nc6 Kc8 34.Na7 Kb8 35.Nc6 Kc8 36.Na7 Kb8=) 29.Nd6+- Rc7 (29...b6 30.Nc8 Rc8+-) 30.Rc7 (better 30.Nb7 Ka8 31.Rc7 Qc7 32.Qg2 Rf2 33.Qf2+-) 30...Kc7 31.Nb7 Be3 32.Rb2 (32.Nd8 Bf2 33.Qf2 Rd8+-) 32...Rf2 (32...Qc3!? 33.Re2 Bf2 34.Rf2 Qd4+=) 33.Rf2+- Bf2 (33...Kb7!? 34.Qd3 Qc1 35.Kg2 Bf2 36.Kf2 Qb2 37.Kg1 a6+-) 34.Qf2+- Kb7 (34...Qc1 35.Kg2 Kb7 36.Qf7 Kb6 37.Qe6 Ka5 38.Qd5 (38.Qh6?! Qd2 39.Kf1 Qd1 40.Kf2 Qd2 41.Kg1 Qe1 42.Kg2 Qe2 43.Kh3 g4 44.Kh4 Qh2 45.Kg5 Qd2 46.Kh5 Qh2 47.Kg6 Qc2 48.Kf6 Qc6 49.Kg5 Qc1 50.Kh5 Qh1 51.Kg5 Qc1 52.Kg6 Qc6 53.Kg5 Qc1=) 38...Ka6 39.Qd6 Ka5 40.h4 (40.Qh6?! Qd2 41.Kf1 Qd1 42.Kf2 Qd2 43.Kg1 Qe1 44.Kg2 Qd2 45.Kh1 Qe1 46.Kg2 Qd2=) 40...Qc2 41.Kf3 Qd1 42.Ke4 Qg4 43.Kd5 Qf3 44.Ke6 Qg4 45.Ke7 gh4 46.gh4 Qh4 47.Kd7+-) 35.Qg2 Kc7 36.Qc6 Kc6 37.Kf2 Kd5 38.Ke3 a5 (38...Ke6+-) 39.a4 h5 40.h3 h4 (40...Kd6 41.Ke4 g4 42.hg4 hg4 43.Kf5+-) 41.gh4 gh4 42.Kd3 (42.Kd3 Kd6 43.Kc4+-) 1–0. Martinez,Jorge Alexander – Tovio,Israel, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 bc3)

    7.Nc3 Qe6 8.Bb2 f6 9.Nb5 Na6 10.Rc1 Nh6 11.Bc4 Qb6 (11...Qg4 12.0-0=) 12.0-0 (12.d4 Be6 13.Be6 Qb5+=) 12...Be6 13.Be6 Qe6 14.Qa4 Qd7 (14...Kd8!?=) 15.d4 Be7 16.de5 0-0 17.Qb3 Kh8 18.Rfd1 Qe8 19.Nd6 Bd6 20.Rd6 (worse is 20.ed6 Qd7+/-) 20...fe5? (better is 20...Qf7 21.e6 Qg8 22.Qb7 Rfb8 23.Qa6 Rb2+-) 21.Rh6! Rf3 (21...gh6 22.Qe3 Double attack (22.Be5 Decoy)) 22.Qf3 (22.gf3 gh6 23.Kf1 Qe7+-) 22...gh6 (22...Rd8 23.Rh5 Qd7 24.Re5+-) 23.Qf6 (better is 23.Qd5 Kg7 24.Be5 Kf8+-) 23...Kg8 24.Be5 (24.Be5 Qg6 25.Qh8 Kf7 26.Qa8+-; 24.Qe5?! Qe5 25.Be5 Rd8+/-) 1–0. Bortnik,A (2335) – Petrova,I (2010), ch–UKR, Alushta UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Nc3 Qe6 8.Bb5 Bd7 9.0-0 Bd6 10.d4 Ne7 11.Re1 0-0 12.Ne5 Bb5 13.Nb5 Be5 14.Re5 Qd7 15.a4 Nbc6 16.Re4 Nd5 17.Ba3 Rfe8 18.Qe2 Re4 19.Qe4 Re8 20.Qf3 a6?? 21.Nd6+- Nd4 22.Qd5 Nc2 23.Qa2 Na1= 24.Qa1 Rd8 25.Qd4 Qe6 26.h3 h6 27.f4 Qb3 28.Bb2 f6 29.Qc4 Qc4 30.Nc4 b5 31.ab5 ab5 32.Ne3 Kf7 33.f5 Rd3 34.Nf1 Ke7 35.Kf2 Kd6 36.Ke2 Rb3 37.Bc1 Rc3 38.Bd2 Rc8 39.Kd3 Ke5 40.g4 Ra8 41.Bc1 Rd8 42.Ke3 Rd1 43.Bb2 Kd5 44.Ke2 Rb1 45.Ne3 Ke4 46.Nd1 Kf4 47.Kd2 Kg3 48.Kc2?? Rb2?? 49.Kb2= Kh3 50.Ne3 Kg3 51.Kc3 Kf3 52.Kd4 b4 53.Nd5 Kg4 54.Nb4 Kf5 55.Ke3 g5 56.Nd5 Ke5 57.Nc3 f5 58.Ne2 h5 59.Kf3 h4 60.Kf2 g4 61.Ke3 h3 62.Kf2 f4 63.Kg1 Ke4 64.Nc3 Kf3 65.Nb1 g3 66.Nd2 Kg4 67.Kf1 f3 68.Kg1 h2 69.Kh1 Kh3 70.Nf3 g2 0–1. Strater,Heinz (2060) – Stadler,Alex, Neumarkt am Wallersee AUT, 2011.

    7.Nc3 Qa5

    8.Qb3 Nc6+= 9.Bc4 Qc7 10.Nd5 Qd7 11.Bb5 Bd6 12.Bb2 Nge7 13.Be5 (13.Ne7 Qe7 14.0-0-/+) 13...0-0 (better is 13...Be5!? 14.Ne5 Qd6 15.Bc6 bc6 (worse is 15...Nc6 16.Nc6 bc6 17.Ne3+=) 16.Nc7 Qc7 17.Qf7 Kd8 18.Qg7 Rg8-/+) 14.Bd6= Qd6 15.Ne3 Be6 16.Qb2 Nd5 17.0-0 Nf4 18.d4 Bd5 19.Nd5 Qd5 20.Rac1 Rac8 21.Rc5 Qd6 22.Rg5 Ne7 23.Re1 Ned5 24.Nh4 Qf6 25.Ree5 (25.Nf3 Qb6 26.Qb1 Nc3=) 25...h6 (25...Nc3!? 26.Nf5 Nh3 27.Kf1 Ng5 28.Ne7 Kh8 29.Nc8 Nge4-/+ (worse is 29...Rc8 30.Qc3 Rd8 31.Qe3+=)) 26.Rg4+= Rcd8 27.Rf5 Qd6 28.g3 Nh3 29.Kg2 Ng5 30.Qd2? Nf6-+ 31.Rfg5 Ng4?? 32.Rg7!+- Kh8 33.Qc2 Qd5-+ 34.Kh3 Kg7 35.Nf5 Kf6 36.Bc4 Qf5 37.Qf5 Kf5 0–1. Waechter,Thomas – Thiele,Michael, Berlin–ch U18, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 bc3)

    8.Bb5+= Bd7 9.Qe2 f6=+ 10.0-0 Bb5 11.Nb5 Nc6 12.Bb2 Be7 13.d4 a6-/+ 14.a4 Qd8 15.d5 Nb4 16.d6 ab5 17.de7 Ne7 18.Rfd1 Qb6 19.ab5 Rc8 20.Ba3 Nbd5 21.Rd5 Nd5=+ 22.Ne5 Nf4 23.Qg4 Qe6 24.Re1 Qg4-+ 25.Ng4 Kf7 26.Re7 Kg6 27.g3 Rc3 28.gf4-/+ Ra3 29.Rb7 h5 30.Ne3 Raa8 31.Nd5 Rhb8-+ 32.f5 Kh6 33.Rb8 Rb8 34.b6 Kg5 35.Kg2 Kf5 36.Ne7 Ke6 37.Ng6 Kf7 38.Nf4 g6 39.Nd5 Ke6 40.Nf4 Kf7 41.Nd5 Rd8 42.Nb4 Rb8?? 43.Nd5 Ke6 44.Nf4 Kf5 45.Nd5 g5 46.Kf3 Ke6 47.Nc7 Ke5 48.Na6 Rb6 49.Nc5 Rb1 50.h4 Rg1 51.Ke3 gh4 52.Nd3 Kf5 53.Nf4 Ra1 54.Nh5 Kg5 55.Ng7 Re1 (55...Re1 56.Kf3 Re7-+) 0–1. Mueller,An – Kuech,Holger (2260), Bruchkoebel MVT (10), 1993.

    8.Bb5 Bd7 9.Qe2 f6 10.Rb1 a6 (10...Nc6 11.Bc4=+) 11.Bd7= Nd7 (worse 11...Kd7 12.Rb7 Kc8 13.Rb3+/-) 12.Rb7 Bd6 (12...Ba3!? 13.Qe4 Rd8 14.Ba3 Qa3=) 13.Ne4 Be7 14.Qd3 Rd8 15.Nd6 (15.Qb3!?+=) 15...Bd6=+ 16.Qd6 Ne7 (16...Nc5!? 17.Rb8 Nd3 18.Ke2 Nf4 (worse 18...Nc1 19.Rc1 Qb5 20.Rb5 Rd6 21.Rc8 Rd8 22.Rd8 Kd8 23.Ra5+/-) 19.Ke1 Rb8 20.Qb8 Kf7 21.Qb3 Nd5=+) 17.0-0+= Qd5 18.Qb4 (18.Qd5!? Nd5 19.d4+=) 18...Nc6 19.Qb3 Qb3 20.Rb3 Ke7 (20...Nc5 21.Rc3 Rd5 22.Rd1-/+) 21.a4 (21.Rc3 Ndb8=) 21...Rb8 22.Re3 Kf7 23.Ba3 Nb6 (23...Rhc8 24.Rc3=+) 24.Rc1 Rhc8 25.Kf1 (better 25.Rb3!?=+) 25...Na4-/+ 26.d4 (26.Bd6 Ra8-/+) 26...ed4 (26...Nd4 27.Rc8 Rc8 28.Nd4 ed4 29.Re7 Kg8 30.Ra7-+) 27.Re4 (better 27.Rd3-+) 27...Nc3 28.Rf4 Rb3 29.Bc5 Rb1 (better 29...d3 30.Re1 Nd5-+) 30.Rb1-/+ Nb1 31.Bd4 Nd4 32.Rd4 Rc1 33.Ke2 Rc2 34.Ke3 Ke7 (34...Rc3 35.Kf4 g5 36.Ke4-/+) 35.Ra4 (35.Rb4 Rc1=+) 35...Rc6 (better 35...Re2! 36.Kf4 Re6-/+) 36.Nd4 Rb6 (36...Rc3 37.Kf4 g5 38.Kg4 Ra3-/+) 37.Rc4 (37.Kd3 Rb2 38.Ra6 g6=) 37...Na3 (37...Kd7 38.f4-/+) 38.Rc7 (38.Nf5 Kd7 39.Rd4 Kc6 40.Rd6 Kc5 41.Rb6 Nc4 42.Kd3 Nb6 43.Ng7 a5=+) 38...Kf8=+ 39.Ke4 (39.Kd3 h5-/+) 39...Nb5-/+ 40.Rc8 Kf7 41.Nf5?? (41.Ra8 Nd4 42.Kd4 Rd6 43.Ke4 Re6 44.Kd3 f5-/+) 41...Nd6 (better 41...g6-+) 42.Nd6-/+ Rd6 43.Rc7 Kg6 44.f4 Rb6 (44...Rd2 45.f5 Kh6 46.Kf3-/+) 45.f5 Kh6 46.h4? (better 46.Ra7!?-/+) 46...Rb4-+ 47.Kf3 Rh4 48.Rc6 (48.Rc1 a5-+) 48...Ra4 49.g4 (49.Rc7 a5-+) 49...g6 (49...Kg5 50.Rc7 Rf4 51.Ke3 Rg4 52.Rg7 Kf5 53.Rh7-+) 50.Rf6 Kg5 51.Rd6 (51.Rf7 Rg4 52.fg6 hg6-+) 51...gf5 52.Rd5 (52.Rd5 Ra3 53.Ke2 Kg4 54.Rd1-+). Shirazi,K (2345) - Heinemann,T (2500), Titled Arena Mar 6th, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4)

    8.Bb5 Bd7 9.Ne5 Bb5 10.Qb3 Qc7 11.Qb5 Nc6 12.0-0 (12.f4 Rd8=) 12...Nf6 (12...a6!? 13.Nd5 Qe5 (13...ab5? 14.Nc7 Kd8 15.Na8 Ne5 16.Re1+-) 14.Qb7 Nd8 15.Qa8 A) 15...Qa1?? 16.Qa6 Be7 17.Qb5 Kf8 A1) 18.Ne7?! Ne7 (18...Ke7?? 19.Bb2 Qf1 20.Kf1+-) 19.Bb2 Qa2+=; A2) 18.Bb2+-; B) 15...Bd6=) 13.d4 (13.Re1!? 0-0-0 14.Nc6 Qc6 15.Qf5 Kb8 16.Rb1+=) 13...Bd6= 14.Bg5 a6 15.Qa4 Nd7 (15...Be7!?+/-) 16.Nd5+- (16.Nd5 Qa5 17.Qa5 Na5 18.Nd7 Kd7 19.Nb6 Kc7 20.Na8 Ra8 21.Rfe1+-) 1–0. Dorati – Salvadori, corr ITA, 1989. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 bc3)

    8.Bb5 Bd7 9.Ne5 Nf6? 10.Qb3+- (10.Nd7?! Nbd7 11.Qf3 Qc7+=) 10...Be7 11.Qf7 Kd8 12.Nd7 Nbd7 13.0-0 Ne5 14.Qe6 Qc7 15.Nd5 Nd5 16.Qd5 Qd6 17.Qe4 Bf6 18.d4 Nc6 19.Bf4 Qe7 20.Bc6 bc6 21.Qc6 Rc8 22.Qb5 Qd7 23.Qh5 g6 24.Qa5 Ke8 25.Rab1 Rf8 26.Bh6 Rf7 27.d5 Bc3 28.Qa6 Rf6 29.Qd3 Ba5 30.Qd4 Kf7 31.Be3 Rc7 32.Rfc1 Rc1 33.Rc1 Rf5 34.Qh8 Rd5 35.Qh7 Kf6 36.Qh8 Kf7 37.h4 Rd1 38.Rd1 Qd1 39.Kh2 Qd6 40.g3 Bb6 41.Qh7 Kf6? 42.Bg5 Kf5 43.Qf7 Ke4 44.Kg2 Bd4 45.Qf3 Ke5 1–0. Hamann,Carsten (2190) – Jordt,Joachim (2220), Oberliga Nord N, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 bc3)

    6.c4 Qd8

    7.Bb2 Nc6 8.Ne5= Ne5 9.Be5 Nf6 10.Be2 Be7 11.ab4 0-0 12.b5 Bd6 13.Bd6 Qd6 14.d4 Rd8 15.d5 Re8 16.0-0 Qe5 17.Ra2 Bf5 18.Bf3 Rac8 19.Re2 Qf4 20.Re8 Ne8 21.Na3 Qc7 22.Qd4 Qb6 23.Qb6 ab6 24.Be2 Kf8 25.g4 Ra8 26.Ra1 (worse 26.gf5 Ra3 27.Re1 Nd6=) 26...Bg6 27.f4 Be4 28.Kf2 f5 29.Ke3 Nf6 30.gf5 Bf5 31.Kd4 (31.Bf3 Bg4+=) 31...Nd7+= 32.Bf3 Nc5 ½–½. marekt (2515) – Pawnhunter1 (2635), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qd8)

    7.Bb2 e4 8.Qe2 Qe7 9.Ne5 (9.Nd4 ba3 10.Ba3 Qe5 11.Bb2 Bc5 12.Qe3 Nc6 13.Nc6 Qb2 14.Qe4-/+) 9...Nh6 10.c5 f6 11.Nc4 Bg4 12.Qe3 Nf5 13.Qf4 ba3 14.Nba3+/-.

    7.Bb2 e4 8.Ne5 ba3 9.Na3 Nc6 10.Nb5 Bf5 11.Qa4 f6 12.Nd4 Bd7 13.Nec6 bc6 14.Qc2+=.

    7.Bb2 e4 8.Ne5 ba3 9.Na3 Nf6 10.Be2 Be7 11.0-0 0-0 12.d4 ed3 13.Bf3 d2 14.Bc3 Nbd7 15.Nb5 (15.Nd7 Qd7 16.Qd2 Qd2 17.Bd2=+) 15...Bc5 (better 15...Ne5 16.Be5 a5-/+) 16.Nd3= Rb8 (16...Bb6!?=) 17.Qd2+= a6 18.Rfd1 Be7 19.Ba5 b6 20.Na7 Qc7 21.Nc6 (worse 21.Nc8 Rbc8 22.Bc3 Rfd8=+) 21...ba5 22.Ne7 Kh8 23.Nc6 Increasing the pressure on the isolated pawn on a5 23...Rb6 24.Ne7 Nc5 (24...Rb8!?=) 25.Nc5+= Qc5 26.Qd8 (26.Qa5!? Qa5 27.Ra5+=) 26...Re8= 27.Nc8 Rb8 (27...Rbe6 A) 28.Ra5? Rd8 29.Rd8 Ng8-+; B) 28.Qa5?? Qa5 29.g3 Qc5-+ (29...Rc8 30.Ra5 Rc4 31.Rd8 Re8 32.Rd6=); C) 28.Qd2 Qc8 29.Bd5 Nd5 30.cd5= (worse 30.Qd5 Kg8-/+)) 28.Ra5 Qc4 29.Re5 Rc8 (29...Rd8?? 30.Rd8 Ng8 31.Rg8 Kg8 32.Re8) 30.Re8 Ne8 31.Qe7 Nf6 32.Be2 Qe4 33.Rd8 Rd8 34.Qd8 Qe8 35.Qe8 Ne8 36.Ba6 Nd6 ½–½. Riha,Vojtech (2215) – Hurdzan,Tomas (2225), ch–CZE Junior (3), 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Bb2 e4 8.Ne5 Na6 9.Qa4 Bd7 10.Qb3 Nh6 11.ab4 Nb4 12.Nc3 Bc6 13.Nc6 bc6 14.Ba3+=.

    7.Bb2 f6 8.Be2 (8.d4 ba3 9.Ba3 (9.Bc3 Nc6 10.d5 Nb4 11.Na3 Bc5 12.Be2 Ne7 13.Qa4 Bd7 14.Nb5-/+) 9...Ba3 10.Na3 ed4 11.Nd4 Nc6 12.Nab5 Nd4 13.Nd4 Ne7 14.Bd3+=) 8...Nc6 (8...e4 9.Nd4 ba3 10.Na3 Nc6 11.Nab5 Bc5 12.Nb3 Be7 13.Qc2 Bf5 14.N3d4=; 8...ba3 9.Na3 Nc6 10.Nc2 Bf5 11.0-0 Bc5 12.Ne3 Nge7 13.Nf5 Nf5 14.Qb1-/+) 9.0-0 (9.d4 ba3 10.Na3 Bb4 11.Kf1 ed4 12.Nd4 Nge7 13.Bh5 Ng6 14.Nab5+=; 9.Qb3 ba3 10.Na3 Bc5 11.Qb5 Qd6 12.Qa4 e4 13.Nb5 Qf4 14.Nfd4-/+; 9.Qc2 ba3 10.Na3 Bc5 11.Bc3 Nh6 12.0-0 Bf5 13.Qb2 Qd7 14.Nc2-/+) 9...ba3 10.Na3 Bc5 (10...e4 11.Ne1 Bc5 12.d3 Bf5 13.Nb5 Nge7 14.de4=) 11.d4 (11.Nb5 Nge7 12.d4 ed4 13.Nfd4 Nd4 14.Bd4+=) 11...ed4 12.Nb5 Nge7 13.Nfd4 0-0 14.Nc6 bc6 15.Bd4 Qb6 (worse is 15...cb5 16.Bc5 Be6 17.Qd8 Rfd8 18.Be7+-) 16.Bc5 Qc5 17.Qd6 Qd6 18.Nd6 a5 19.Bf3 (19.Ra2 Rd8 20.Nc8 Nc8=) 19...Ra6 20.Ra4 Bf5 21.Rfa1 Rfa8 22.Re1 Bc2 23.Ra2 Nf5 24.Nb5 Rb8 (24...Bb3!? 25.Ra3 Bc4+=) 25.Rc2= cb5 26.cb5 Rab6 (worse is 26...Rb5 27.Rc8 Kf7 28.Bh5 g6 29.Be2+/-) 27.Be2 Nd4 28.Bc4 Kf8 29.Ra2 Nb5 30.Ra5 Nd4 31.h3 Nc6 32.Raa1 ½–½. Belka,Wieland (2400) – Klochan,Peter (2150), Alpert Memorial Cup, Preliminary group, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Qb3 Nc6-/+ 8.Bd3 (8.ab4!? Bb4 9.Bb2-/+) 8...f5-+ 9.Bc2 e4 10.Qe3 Be7 11.Bb2 (11.Ng1-+) 11...Bf6 (11...ef3 12.Bg7 fg2 13.Rg1-/+) 12.Bf6 (better is 12.d4!?-/+) 12...Qf6-+ (12...gf6?! 13.d3=) 13.Ra2 (13.d4 Be6 14.Nfd2 Nd4-+) 13...Be6 14.d4 Bc4 15.Bb3 (15.Rb2 Nge7 16.Ne5-+) 15...Bb3 16.Qb3 ef3 17.Qf3 0-0-0 (better is 17...Nd4!? 18.Qe3 Ne7 19.ab4-+) 18.0-0 Kb8 (18...Nd4!? 19.Qf4 Ne7 20.ab4-+) 19.ab4 Nb4 20.Ra4 Na6 (20...Rd4 21.Nc3 Qe5 22.Rb1-+) 21.Qb3 (21.Rd1 Ne7-+) 21...Ne7 (21...Rd4 22.Rd4 Qd4 23.Rd1-+) 22.Nc3 (22.Rd1 Rhe8 23.Na3 Nd5-+) 22...Rd4 23.Rb1 Rd7 24.Qb5 Rc7 (24...Qc3?! 25.Qd7 Qc7 26.Qb5-+) 25.Ra6 Qc3 26.h3 Qc4 27.Qa5 Nc6 28.Qa3 Rhc8 29.Ra4 Qc2 30.Rc1 Qe2 31.Qc3 Qe5 32.Qa3 Rd8 33.f4 Qd6 34.Qa1 b5 35.Ra6 Qd4 36.Qd4 Nd4 37.Rc7 Kc7 38.Ra7 Kb6 39.Rg7 b4 40.Rh7 b3 41.Kh2 b2 42.g4 b1Q 43.Rb7 Kb7 44.h4 fg4 45.h5 Nf3 46.Kg3 Qg1 0–1. Hung,Daniel – Siddhanth,Lohia, Al–Ain UAE, World Ch Boys U08, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.ab4!? e4 8.Qe2 +=.

    7.ab4=+ e4 8.Ne5 Nf6 9.Qa4= Nbd7 10.c5 Be7 11.c6 bc6 12.Nc6 Qc7 13.Nc3 Nb6 14.Qc2 0-0 15.Nb5 Qd7 16.Ne7 Qe7 17.Qc5 Qd7 18.Nc7+= Rb8 19.Bb5 Qg4= 20.0-0 Bd7 21.Ba6 Be6 22.Ra3 Nbd7 23.Qa7 Ne5 24.Rg3 Qf5 25.Bb2 Nh5 26.Ne6 fe6? 27.Qd4+- Ng6 28.f4 Rbd8 29.Qc3 Qf7 30.Rg5 Nhf4 31.Rf4 Qa7 32.Qe3 Qa6 33.Rf8 Rf8=+ 34.h4 Rf1-/+ 35.Kh2 Qd6 36.Rg3 Qb4 37.Qc3 Qc3 38.Bc3 Rf4 39.Rg5 Rh4 40.Kg3 Rh1 41.Ra5 h5-+ 42.Ra6 Rh4 43.Re6 Rg4 44.Kf2 h4 45.Kf1 Kf7 46.Ra6 Nf4 47.Ra7 Kg8 48.Re7 Ng2 49.Bg7 Rg7 50.Re4 h3 51.Kg1 Ne1 52.Kf2 Rg2 53.Ke3 Rg1 54.Rh4 Ng2 55.Kf2 Nh4 56.Kg1 Ng6 0–1. Shirazi,K (2425) – Kazhgaleyev,M (2605), ch–Paris Paris FRA (6), 2006.

    6.c4 Qe4

    7.Be2 Nc6

    8.0-0 Qf5 9.ab4 (9.d4 e4 10.Ne1 Qf6+=) 9...e4-/+ 10.d4 (better is 10.Ne1!?-/+) 10...ef3-+ 11.Bf3 Be7 (better is 11...Nb4!? 12.Re1 Kd8-+) 12.b5-/+ Nb4 13.c5 Nf6 14.Bd2 Nbd5 15.Nc3 Nc3 16.Bc3 0-0 17.Re1 Re8 18.b6 a6 19.c6 Be6 (19...Nd5!? 20.Re5 Nc3 21.Rf5 Bf5+=) 20.Ra5+= Qf4 21.g3 Qd6 22.d5 Bf5 (22...Bh3 23.Be5 Qb4 24.cb7+=) 23.cb7 (23.g4!? Ng4 24.Bg4-/+) 23...Rab8-/+ 24.Be5 Qb6 25.Bb8 Rb8 (25...Qa5 26.Bf4 Qb4 27.b8Q Rb8 28.Bb8+-) 26.d6 (26.Qa4 Qb4 (worse is 26...Rb7 27.d6 Bc2 28.Qa1+/-; 26...Qb7?! 27.Ra6 Bb4 28.Ra1+=) 27.Ra1 Bd3-/+) 26...Qa5 27.de7 Bd7 28.Re3 Qc7 29.Qb1 a5 30.Rd3 h6 31.Qb3 Qe5 32.Re3 Qa1 33.Kg2 Qd4 34.Rc3 Qd6 35.Qa3 Qa6 36.Rc5 g5 37.g4 Bg4 38.Bg4+= Ng4 39.Qf3 Nf6 40.Rc8 Rc8+= 41.bc8Q Qc8 42.Qf6 Qg4 43.Kh1 Qd7 44.Qe5 Qe8 45.f4 1–0. Keber,Ernst (1840) – Yarokhovich,Yura (1705), AP–2005–Q–00002, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    8.0-0 Nf6 9.Re1 Bd6 10.ab4 Bb4 11.Bf1 Qf5 12.Ne5= 0-0 13.Nc6 bc6 14.Ba3 c5 15.Bb2 Bb7 16.Re7= Rfb8 17.Nc3 Kf8=+ 18.Re2 Re8 19.Re8+= Ne8 20.d4 cd4 21.Qd4 a5 22.Nd5 Bd5 23.cd5 Rd8 24.Rd1 Nf6 25.Qb6 Rd5 26.Rd5 Qd5=+ 27.Bf6 gf6 28.Qf6 Kg8 29.Qh4 Bc5 30.Qg3 Kf8 ½–½. Poppek,Robert (2000) – Mantu,Eugen (2440), BdF Pyramide, 2008.

    8.0-0 Nf6 9.Re1 Be7 10.Bb2 Be6 (10...ba3!? 11.Na3 Qf4=+) 11.Bf1 (11.ab4 Bb4 (11...Bc4? 12.d3 Qf4 13.dc4 Bb4 14.Bc1+-) 12.Bf1 Qf5 13.Ne5 0-0=) 11...Qg4 12.Be5 Ne5 13.Re5 Nd7 (13...0-0 14.d4 Rfe8 15.ab4 Bb4 16.Rb5+=) 14.Re3 b5 (better 14...0-0!?=) 15.d4+- Bf6 (15...bc4 16.d5 Bf6 17.de6 fe6 18.h3+-) 16.ab4+- 0-0 17.c5 a6 18.Nc3 Bf5 (18...Rfc8 19.Bd3 Bf5 20.Qc2 Bd3 21.Qd3+-) 19.Bd3 Rfd8 (19...Rfc8 20.Ne4 Be4 21.Be4+-) 20.h3 (20.Nd5 Bd3 21.Qd3 Qh5+-) 20...Qg6 21.Be4 (better 21.Ne4+-) 21...Bg5?? (better 21...Be4 22.Ne4 Nb8+-) 22.Ng5 Qg5 23.Bf5 (better 23.Ba8 Ra8 24.Qf3+-) 23...Re8?? (23...Qf5 24.Qg4 Qg4 25.hg4 Nf6+-) 24.Bd7 (24.Bd7 Re3 25.Qd2+-) 1–0. Strater,Heinz (2105) – Goldenstein,Arnd (2005), 8th Goch op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    8.0-0 Nf6 9.Re1 Be7 10.ab4 Bb4 11.Bb2 0-0 12.Bf1 Qf4 13.Ne5 Bf5 14.Nc6 bc6 15.Be5 Qg5 16.Qf3 Nd7 17.Bc3 c5 18.d4 (18.Bb4 cb4 19.Ra5 g6+/-) 18...a5 19.dc5 Bc5 20.Nd2 a4 21.Ne4 Qg4 22.Qg4 Bg4 23.Nc5 Nc5 24.Bb4 (24.Re5!? Rfc8 25.Rg5+=) 24...Nb3= 25.Ra2 Rfb8 26.Bd6 Rd8 27.c5 Be6 28.Ra3 Rdc8 29.Re5 Ra5 30.c6 Re5 (30...Rc6? 31.Rb3 Ra8 32.Rd3+-) 31.Be5 Rc6 32.Ra4 f6 33.Bf4 Kf7 34.f3 Nc5 35.Ra7 Kg6 36.Kf2 Nb3 37.Bd3 f5 38.Be5+/- Bf7?? 39.g4+- Nc5 40.Bf5 (40.Bf5 Kh6 41.Rf7+-) 1–0. Hamann,Carsten (2200) – Wiltafsky,Thomas (2230), Oberliga Nord N, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    8.0-0 Bg4 9.Bb2 f6 10.Re1 Bf3 11.Bf3 Qc4 12.Qa4 Nge7 13.d4 Rb8 14.de5 f5 15.Nd2 Qd3 16.Red1 b5 17.Qa6 Rb6 18.Bc6 Rc6 19.Qa7 ba3 20.Ba3 (20.Ra3? Qc2 21.Raa1 Qb2-/+) 20...Nc8 21.Qa8 Rc2 22.Nf3 Qe4? (22...Qc4 23.Nd4 Ba3 24.Nc2 Bb2+-) 23.Qa5 Be7 24.Nd4 Ba3 (24...0-0 25.Nc2 Qc2 26.Be7 Ne7 27.Qb5 Rc8+-) 25.Qb5 (25.Ra3?! Rc5 26.Ne6 Qd5 27.Ng7 Kf7+-; 25.Qa3?! Rc4 26.Nb5 Qe5+-) 25...Kf7 26.Qb3 Kg6 27.Qe6 (27.Qe6 Kg5 28.f3+-) 1–0. McCollum,Patrick – Kissick,Charles M, USA–ch14 prel, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    8.0-0 Qg6 9.Re1 Be6 10.Bb2 e4 11.Nd4 Nd4 12.Bd4 ba3 13.Na3 Bd6? (better is 13...a6!?=) 14.Nb5+/- Bb8 15.Bh5 (15.Na7?! Qh6 16.g3 Nf6+=) 15...Qh6 (15...Qg5 16.Re4 Kf8 17.Bf3+- (17.Ba7?! Ba7 18.Re3 Bc4 19.Ra7 Ra7 20.Na7 Nf6+=)) 16.Re4 Ne7 17.Bg7! Qg7 18.Re6 Rg8 19.g3 Kf8 (19...Kd7 20.Re1 Qf6 21.Qb1+-) 20.Re3 (20.Rb6 Nc6 21.Rb7 Nd8+-) 20...Ng6 (better is 20...a6+-) 21.Bf3 f6 (21...f5 22.Bd5 f4 23.Re4+-) 22.Bd5 Rh8 (22...Nf4 23.Qe1 Be5 24.d4 (24.Ra7?! Ra7 25.Na7 Nd5 26.cd5 Qd7+-) 24...Nd5 25.cd5 Bg3 26.Rg3+-) 23.Qe2 (better is 23.Qg4 Be5 24.Ra7 Re8+-) 23...Qd7 24.Qf3 (24.Qf3 Kg7 25.Bb7+-) 1–0. Chulivska,Vita (2175) – Ostroverkhova,Elena (2045), UKR games U16 B4 2nd, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    8.0-0 Qg6 9.Re1 Be7 10.Bb2 Bh3 11.g3 e4 12.Ne5 (12.ab4 ef3 13.Bf3 Kf8+=) 12...Qf6+= 13.d4 ba3 (better is 13...Ne5!? 14.de5 Qc6+=) 14.Na3+= Bb4 15.Nc6 (better is 15.Nb5!? Be1 16.Qe1 Ne5 17.Nc7 (17.de5?! Qc6+-) 17...Kd7 18.de5+-) 15...bc6 16.Qc2 Be1 17.Re1 Ne7 18.d5 Qg6 19.d6 Qd6 20.Bg7 Rg8 21.c5 Qg6 22.Be5 (22.Bc3+=) 22...Bf5 (better is 22...e3-/+) 23.Qb2+= Rd8 24.Nc4 Nd5 (24...Qe6!?+=) 25.f3+/- e3 (25...f6 26.fe4 Be4 27.Bd6+-) 26.Nd6 Ke7 (26...Kf8 27.Bc4 Be6 28.Bd5 cd5+- (28...Bd5 29.Bf6 Qd3 30.Bd8+-)) 27.Bc4+- Be6 28.Bd5 Bd5 (28...cd5 29.Re3 f6 30.Bf4+-) 29.Re3 Be6 30.Ne4 Rd1 (30...Kf8 31.Bd6 Rd6 32.cd6+- (32.Nd6?! a5+-)) 31.Kg2 Rgd8? (31...Qf5 32.Bd6 Rd6 33.cd6 Kf8+-) 32.Bd6 R8d6 (32...R1d6 33.cd6 Ke8+-) 33.cd6 (33.Nd6?! Qb1 34.Qf2 Kf8=) 33...Kf8 34.Ra3 f5 (34...c5 35.Ra7 Rd4 36.Nc5 Bh3 37.Kf2 Qd6+-) 35.Nc5 Rd6 (35...Rd5 36.Ra7 Rc5 37.d7 Bd7 38.Rd7 Rc2 39.Qc2+-) 36.Ra7 Bf7 (36...Bd5 37.Qb8 Qe8 38.Qd6 Kg8 39.Qh6 Qe2 40.Kh3 Bf7 41.Nd7 Qh2 42.Kh2 Kh8 43.Nf6 c5 44.Qh7) 37.Ra8 Be8 38.Qh8 Ke7 39.Ra7 Bd7 40.Qe5 (40.Nd7 Rd2 41.Kf1 Rd1 42.Kf2 Rd7 43.Qe5 Qe6 44.Qg7 Kd6 45.Qf8 Qe7 46.Rd7 Kd7 47.Qf5 Kc7 48.Qf4 Kb7+-) 40...Kf7 41.Nd7 Rd2 42.Kf1 Rd1 43.Ke2 Ra1 44.Rb7 Ra2 45.Kf1 Ra1 46.Qa1 Qd6 47.Qa2 1–0. marekt (2070) – nordlicht (1960), gameknot.com, 2014.

    8.Bb2 ba3 9.Na3 Ba3 10.Ra3 f6 11.Re3 Qg6?? (better is 11...Qf5=) 12.Ne5!+- Qg2 (12...Ne5 13.Bh5 Combination; 12...fe5 13.Bh5 Combination) 13.Bf3 (13.Bf3 Qg5 14.Nc6 Kd7 15.Ne5 fe5 16.Qa4 Ke7 17.Re5 Qe5 18.Be5+-) 1–0. Dorati,Giuseppe – Minasso, corr, 1983. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    8.Bb2 Nf6 9.0-0 ba3 10.Na3 Bc5 11.Ne5 Ne5-/+ 12.d4 0-0 13.dc5 Bg4 14.Bg4 Nfg4 15.Be5 Ne5=+ 16.Re1 Qf4 17.Qd6 Rae8 18.Nb5= Re6 19.Qd4 Qg5 20.Re3 Rd8 21.Nd6 Qf6 22.Qc3 b6 23.f4 Ng4 24.Qf6 Nf6 25.Re6+/- fe6 26.Nb7 Rc8 27.Ra7 bc5 28.Ra6 Ng4 29.Re6 Rb8 30.Re7 Kf8 31.Rc7 Ne3? 32.Kf2 Nc4 33.Nc5 Rb2 34.Kg3 Ne3 35.Ne6 Ke8 36.Ng7 Kd8 37.Ne6 Ke8 38.Rh7 Ng2 39.f5 Ne3 40.f6 Nf5 41.Kf4 Rf2 42.Ke5 Re2 43.Kf5 Re5 44.Kg6 (44.Kg6 Re6 45.Kg7+-; 44.Ke5?!) 1–0. Zherebukh,Y (2180) – Shetty,R (2365), Open A Pardubice CZE (6), 2005.

    8.0-0 Bc5

    9.ab4+= Bb4 10.Bb2 Nge7 11.Nc3 Bc3 12.Bc3 0-0 13.Re1 f6 14.Qb3 Qg6 15.d4 ed4 16.Nd4 Rb8 17.Nb5 a6 18.c5+/- Kh8 19.Nd6 Nd8 20.Ba6 Nec6 21.Bc4 Bg4 22.Re3 Ne5 23.Be5 fe5 24.Re5 Qf6 25.Qg3 Be6 26.Rae1 Bc4?? 27.Rf5 Bd5 28.Rf6 gf6 29.Nf5 Ne6 30.Re6! Rg8 31.Qc3 (31.Qc3 Rg2 32.Kf1 Rg1 33.Kg1 Rg8 34.Kf1 Rg6 35.Rf6 Bc4 36.Ke1 Rg1 37.Kd2 Rd1 38.Kd1 Be2 39.Ke2 Kg8 40.Qc4 Kh8 41.Rf8) 1–0. Chulivska,Vita (2240) – Krektun,Dmytro, TCh–UKR, Alushta UKR, 2007.

    9.ab4 Bb4 10.Nc3 Bc3 11.dc3 Bf5 12.Re1 Nge7 13.Qb3 Qc2 14.Qa3 (14.Qb7 Rb8 15.Qc7 Rc8=) 14...Be6+= 15.Ra2 Qg6 16.Rb2 Rb8 17.Bf1 f6 18.Nd4 Bf5 19.Nc6 Nc6 20.Be3 Kf7 (20...Qf7 21.Rd1-/+) 21.Bc5 (21.Ba7 Na7 22.Qa7 Be4=) 21...Rhd8 22.Bd6 Rbc8 23.c5 Kg8 24.Rb7 Kh8 25.Qa4 Bc2 26.Qa6 Be4 27.Re3 Qf5 28.Rg3 Rg8 29.f3 Bd5 30.Bd3 e4 31.fe4 Be4 32.Rbg7 Rg7 33.Be4 Qd7 34.Rf3 Nb8 35.Qd3 Qf7 36.Bd5 Qg6+= 37.Qf1 Qg5 38.Be6 Nd7? 39.Rg3+- Qh6 40.Bf4 Qh5 41.Rg7 Qc5 42.Kh1 Kg7 43.Bd7 Rd8 44.Qe2 a5 45.h3 Kh8 46.Kh2 Qd5 47.Be8 Qa8 48.Ba4 Rg8 49.c4 Qb7 50.Qc2 Kg7 51.Qf5 Qc8 52.Bd7 (52.Bd7 Qd8 53.c5+-) 1–0. Shutov,Andry (1765) – Costanzo,Flavio (1625), IECG, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    9.Re1 Nge7 10.Bb2 ba3!? 11.Ba3 Ba3 12.Na3 0-0 -/+.

    9.Re1 Nge7 10.Bb2 f6 11.ab4 (11.Ne5 Qh4 12.Nd3 Bd6=) 11...Nb4 12.d4 Qc2 13.Qc2 Nc2 14.dc5 e4 15.Bd1 Na1 16.Nd4 f5 17.f3 0-0 18.Ba1 Nc6 19.fe4 Nd4 20.Bd4 fe4 21.Re4 (better is 21.Nc3!? Bf5 22.Ne4+/-) 21...Bf5+= 22.Re7 Rf7? (better is 22...Rfd8!? 23.Bg4 Kf8 (worse is 23...Bb1 24.Bg7 h5 25.Bf3+/-) 24.Bg7 Ke7 25.Bf5 Rd1 26.Kf2 Kf7+/-) 23.Rf7+/- Kf7 24.Nc3 Rd8 25.Nb5 g6 (25...Be4+-) 26.Bf3 b6 (26...Bd3 27.Nd6 Ke7 28.Be3+-) 27.c6 a6 (27...Ke7 28.c5+-) 28.c7 (28.c7 Rf8 29.Na7+-; 28.Bb6?! Rd2 29.Na7 Rb2+-) 1–0. Chulivska,Vita (2200) – Noiroux,Kevin (2085), St Lorrain op U18, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6)

    9.Re1 Nge7 10.Bf1 Qg6 (10...Qf5 11.Bb2 e4 12.ab4 Nb4 A) 13.Bg7? A1) 13...ef3?! 14.Re5 (14.Bh8? fg2 15.Bg2 Bf2 16.Kh1 Be1 17.Qe1 Nc2-+) 14...Qg6 15.Bh8 fg2 16.Be2= (16.Rc5?? gf1Q 17.Kf1 Bh3 18.Ke1 Nd3 19.Ke2 Qe4); A2) 13...Rg8 14.Bd4 ef3 15.Bc5 Qc5-+; B) 13.d4 ef3 14.dc5 fg2 15.Bg2-+) 11.Bb2 (11.ab4 Bb4 12.Ne5 Ne5 13.Re5 0-0=) 11...Bg4 (11...f6!?-/+) 12.ab4+= Nb4 (12...Bb4 13.Be5 Ne5 14.Ne5 Bd1 15.Ng6 hg6 16.Rd1=) 13.Qa4= (worse is 13.Ne5 Bf2 14.Kf2 Qf6 15.Nf3 Qb2-/+; 13.Be5? Nc2 14.Be2 Ne1 15.Qe1 Nc6-/+) 13...Bd7 (better is 13...Qc6 14.Re5 b6=) 14.Ne5?? (better is 14.Qd7! Kd7 15.Ne5 Kd8 16.Ng6 hg6 17.Na3=) 14...Bf2!-+ (14...Ba4?! 15.Ng6 hg6 16.Ra4+=) 15.Kh1 (15.Kf2 Qf6) 15...Ba4 16.Ng6 Be1?? (better is 16...fg6 17.Re7 Ke7 18.Ra4 Nc6-+) 17.Nh8+= Bd7 18.Bg7 Bf2 19.Na3 Nf5 (19...a5!?+=) 20.Bc3+= Bd4 21.g4 Bc6+= 22.Bg2 Bg2 23.Kg2= Bc3 24.dc3 Nc2?? 25.Ra2?? Nfe3 26.Kf3 Ke7 (26...Ke7 27.Nc2 Nc2 28.Nf7 Kf7 29.Rc2 Rc8=) 0–1. Wegan,P – Uth,B, corr FRG/M, 1982. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe4 7.Be2 Nc6 8.0-0 Bc5)

    6.c4 Qe6

    7.Ra2 Be7 8.ab4 Nf6 9.Qa4 Nc6 10.b5 Nd4 11.d3 Nf3 12.gf3 0-0 13.f4 ef4 14.Re2 Qd6 15.Qc2 (15.Qa3!? Qa3 16.Ba3 Ba3 17.Na3-/+) 15...Re8 16.Bg2 Bg4 17.Bb7 Be2 18.Ke2 Qe5 19.Kf1 Rad8 20.Rg1 (20.Bc6 Bb4 21.h3 Re6-+) 20...Bc5 21.Kg2? (21.Bb2 Qf5 22.Bf6 Qf6-+) 21...Qe2 (21...Ng4!? 22.Be4 Bf2 23.Rf1-+) 22.Qe2 Re2 23.Rf1 Rd3 24.Bf4 Ne4 25.Bg3 g5 26.Rc1?? (26.Be4 Re4 27.Rc1-+) 26...Ng3 27.hg3 Rf2 28.Kh3 f5 29.Rc3 (29.Re1 Bd6 30.Re8 Kf7 31.Re3 Re3 32.Bd5 Kg6 33.Bg2 g4 34.Kh2 Bg3 35.Kg1 Re1 36.Bf1 Ref1) 29...g4 30.Kh4 Be7 (30...Be7 31.Kh5 Rh2) 0–1. Shirazi,Kamran G (2440) – Bedouin,Xavier (2365), Saint Affrique op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Bd3? Be7?? 8.0-0? e4-+ 9.Re1 Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Nc6 13.Bb2 Qh6 14.b5 Na5?? (better is 14...Nd8-+) 15.Qa4 Nf6 16.Ba3 Ne4 17.Re4 0-0? (17...Be6 18.Qa5 Qf6 19.d4 Ba3 20.Qa3+= (worse is 20.Na3 0-0+=)) 18.Re7 (18.Be7 Bf5 19.Re5 Rfe8 20.Rf5 Re7 21.Qa5 Rae8+-) 18...b6 (better is 18...Qg6 19.Nc3 b6+=) 19.Re1 (better is 19.Re3 Rd8 20.Be7+/-) 19...Rd8+= 20.c5 Be6 21.Nc3 Nb3 22.d4 Nd4! 23.Nd4 Qd2 24.Nf3 Qc3 25.c6 a6! 26.ba6 b5! 27.Qb4 Qc6 28.Bb2 Qa6 29.Qc3 f6 30.Nd4 Re8 31.Ra1 Qc8 32.Ra8 Qa8 33.Nb5 Qa4 34.Qd3 Bc4 (34...Bc4 35.Qd2 Qb5-+) 0–1. Go,Benjamin (2175) – Riemersma,Li (2435), Amsterdam NED, Science Park Open–A, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Bd3? Be7 8.0-0 e4 9.Re1 Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Qf4 13.Bb2 Kf8 14.Nc3 Nf6 15.Nd5 Nd5 16.Bd5 Nc6 17.b5 Nd8 18.Qc3 Rg8 19.g3 Qc7 20.Nd4 g6 21.Qf3 Bd6 22.Re4 Bf5 23.Nf5= gf5 24.Qf5 Rg6 25.Bd4 a5 26.Be3 a4 27.c5+= Bc5 28.Rc4 Kg8 29.Bc5 Ne6 30.Bb4 Qd8 31.Bb7+- Rb8 32.Bc6 Nd4 33.Qe5 Nc6 34.bc6 Qe8 35.Qe8 Re8 36.d4 Rg4 37.f4 f5 38.d5 Rg7 39.d6 Rd8 40.Rd4 (40.Rd4 Rgd7 41.cd7+-) 1–0. Meissen,Frank (2495) – Penzler,Frank (2450), RSS7E top–16, 2007.

    7.Bd3? Be7 8.0-0 e4 9.Re1 Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Qf4 13.d4 Qc7 14.Bd5 Nc6 (better is 14...Nf6!? 15.Nc3-+) 15.c5 Be6! 16.Nc3 (16.Be6 fe6 Combination) 16...Nf6 17.Re6? (better is 17.Be6 fe6 18.Re6-/+) 17...fe6 18.Be6 b5! 19.g4 (19.Nb5 Qb7 Decoy) 19...a5 20.g5 Nd7 21.Nd5 (21.Nb5 Qb7 22.ba5 Na5-+) 21...Qb7 22.Bf4 a4 23.Qe3 a3 24.Nc7 Kd8 25.Na8 Qa8 26.Qe4 a2 (26...Qc8!?-+) 27.Ba2-/+ Rf8 (27...Qa6!?-/+) 28.Be6+= Rf4 29.Qf4 Nb4 30.h3 Qa1 31.Kg2+= Qa8 32.Qf5 g6 33.Qf4 Nd5 34.Qf7+= Nc7 35.Bd7 Kd7 36.Kg3 Qe8 37.Qh7 Kc8 38.h4 Ne6 39.h5 gh5 40.Qe4 Nc7 41.Ne5 Qg8 42.g6 Qb3 43.Kh2 Qd5 44.Qf4 Ne8 45.Qf5 Kc7 46.Qf4 Ng7 47.Nc4 Kb7 48.Ne3 Qc6 49.Nf5 Bf8 50.Ng3 Ne6 51.Qf8 Nf8 52.g7 Qf6 53.g8Q Ne6 54.Qh7+= Kc8 55.Qg8 Kc7= 56.Qh7 Kb8 57.Qg8 Kc7 ½–½. Windhausen,Georg (2485) – Mokrys,Christian_Peter (2515), WC30/ct01 ICCF, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Bd3? Be7?? 8.Qe2 +=.

    7.Bd3? Nf6 8.0-0 Nc6 9.Re1 Qd6 10.Bf1 Be7 11.ab4 Bg4 12.Nc3 0-0 13.h3 Bf3 14.Qf3 a6 15.Ba3 Qd7 16.Qg3 Nd4 17.c5 Nc2 18.Re5 Bd8 19.Rg5 g6 20.Bb2= Na1 21.Nd5 Nd5 22.Rd5+= Qe7 23.Bc4 (23.Bc4 b5 24.Rd7 Qe1 25.Bf1=). Windhausen,Georg (2475) – Reichel,Norbert (2330), BdF DFMM, 2007.

    7.Bd3? Nf6?? 8.0-0-/+ Nc6 9.Re1 Bd6 10.ab4 Nb4 11.Bf1 0-0 12.Nc3 Qf5 13.Nb5 Bb8 14.Ba3+= e4 15.Bb4+/- ef3 16.Qf3 Qf3= 17.gf3 Rd8 18.Be7 Rd2 19.Bf6 gf6 20.Re8 Kg7 21.Rc8 Bh2 22.Kh2 Rc8 23.Na7 Ra8 24.Kg3 h5 25.Bh3 h4 26.Kg2 Kh6 27.Bc8 b6 28.f4 Rc2-/+ 29.Bb7 Rg8 30.Kf3 Rc3 31.Ke2 Re8 32.Kf1 Rc4 33.Nb5 Rf4 34.Nd6 Re7 35.Rb1=+ h3 36.Rb3 h2 37.Bh1 Rd7 38.Rd3 Ra7 39.Rh3= Kg7 40.Rh2 Ra2 41.Be4 f5 42.Nf5 Kf6 43.Ng3 Ke5 44.Rh5 f5 45.f3 Rf3?? 46.Bf3+- Kf4 47.Bd5 Rd2 48.Ne2 Kg4 49.Bf7 Rd7 50.Be8 Rd8 51.Rh8 Kg5 52.Rg8 Kh6 53.Rg6 Kh7 54.Re6 b5 55.Bb5 f4 56.Kf2 f3 57.Kf3 Kg7 58.Nf4 Rd1 59.Kg4 Rd2 60.Kf5 Rb2 61.Bd3 Ra2 62.Re7 Kf8 63.Ng6 (63.Ng6 Kg8 64.Bc4) 1–0. Nanu,C (2415) – Molander,R (2315), Open Andorra AND (9), 2001.

    7.Bd3? Nf6?? 8.0-0 Nc6 9.Re1 Bd6 10.Bc2 0-0 (better 10...Qc4!? 11.d4 e4=) 11.d4+= e4 12.d5 Qg4 (12...Qd7 13.dc6 Qc6 14.Nd4 Qc4 15.Bb2+=) 13.h3 Qh5 (13...Qd7!? 14.dc6 Qc6+-) 14.dc6+- ef3 15.Qd6 fg2 16.Qg3 Bh3 (better 16...bc6 17.Kg2 ba3 18.Na3 Be6+-) 17.Re5?? (17.cb7 Rab8 18.Bb2+- (18.ab4?! Bf5 19.Kg2 Bc2+/-)) 17...Rae8+= 18.Bb2 Re5 19.Be5 (19.Qe5 Re8 20.cb7 Re5 21.b8Q Re8 22.Qe8 Ne8-+) 19...Rd8 20.Nd2 Bg4?? (better 20...Bd7 21.f3 Bc6 22.Bf6 Qh1 23.Kf2 Rd2 24.Ke3 Qh6 25.Bg5 g1Q 26.Rg1 Qh2 27.Qh2 Rh2+=) 21.Kg2+- Rd2 22.Bf6 gf6 (22...Qh3 23.Qh3 Bh3 24.Kh3 bc6+-) 23.cb7 Rd8 24.b8Q (24.ab4 Kf8+-) 24...Rb8 25.Qb8 Kg7 26.Qg3 (26.ab4?? Bf3 27.Kg3 Qg4 28.Kh2 Qg2) 26...Kf8 (26...b3 27.Bd1 f5 28.f3+-) 27.Rh1 Qg5 (27...Bf3 28.Qf3 Qg5 29.Qg3 ba3+-) 28.Qd6 Ke8 29.Qg3 (better 29.f4 Bh3 30.Kh3 Qh6 31.Kg3 Qg7 32.Kf2 Qg2 33.Kg2 ba3 34.Re1) 29...h5?? (29...Kf8 30.f4 Qg8+-) 30.Re1 (30.ab4 Kf8+-) 30...Kf8 31.Bd1 (31.ab4!? Be6 32.c5 a6+-) 31...ba3 (31...Bd1 32.Rd1 ba3 33.Rd5+-) 32.Bg4 hg4 (32...Qg4 33.Qg4 hg4 34.c5+-) 33.Qa3 (better 33.Qb8 Kg7 34.Re8 Kg6 35.Rg8 Kf5 36.Rg5 fg5 37.Qa7 Ke6+-) 33...Kg7 34.Re8 (34.Re8 Qf5 35.Qf8 Kg6 36.Qg8 Kh6 37.Qh8 Kg5 38.Rg8 Kf4 39.Qh2 Ke4 40.Re8 Kd3 41.Qd6 Kc4 42.Qc6 Qc5 43.Re4 Kd3 44.Qc5 Ke4 45.Qe7 Kf5 46.Kg3+-) 1-0. Vilimek,Vit (1680) - Tajovsky,Matej (1880), Ceske Budejovice Open, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4)

    7.d4 e4 8.d5 Qf6 9.Nd4 Bc5 10.Be3 Nh6 11.ab4 Bb4 12.Nd2 Na6 13.Be2 Qg6 14.Qc2 0-0 15.0-0 Re8 16.Rab1? (16.Bh6!? Bh3 17.Bf3 ef3 18.Qg6 hg6 19.gh3 gh6 20.N2f3+=) 16...Bd6 (16...Bh3 17.g3 Bf1 18.Nf1-+) 17.Nb5 (17.Kh1-/+) 17...Be5?? (17...Nb4 18.Rb4 Bb4 19.Rb1-+) 18.Rb3? (18.Na7 Bg4 19.Rfe1 Be2 20.Re2 Qh5-/+) 18...Ng4?? (better is 18...Bh3! 19.g3 Bf1 20.Bf1 f5-+) 19.Bg4+= Bg4 20.f4 Bd6?? 21.c5?? Bf8 22.Nc4 Bc5 23.Bc5 Nc5 24.Nc7? Nd3?? 25.Na8+= Ra8 26.Rb7 Qf6 27.h3 Bc8 28.Rc7 1–0. Erkens,Ruediger – Christl,Adolf, GER–ch qgA24 corr9395, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.d4 e4 8.Ne5 Nd7 9.Bb2? (better is 9.Nd7!? Qd7 10.c5 ba3 11.Na3+=) 9...Ne5-/+ 10.de5 ba3 11.Bc3 Bd7 12.Na3 Ba3 (12...Bc5!?-/+) 13.Ra3+= Ne7 14.Qd4 Bc6 15.Ra7 Rd8 (15...Ra7 16.Qa7 0-0 17.Qd4+=) 16.Qe3= 0-0 17.Be2 Nf5 (17...Ng6 18.Qg3=) 18.Qc5 Qh6 19.0-0 e3 20.Raa1 Nh4 (20...Qg5 21.g3+=) 21.f3 (21.Qe3!? Qe3 22.fe3 Ng2 23.Bd4=) 21...Qg6+= 22.g3 Nf5 23.Kg2 h5 24.Rad1 (24.Kg1!?+=) 24...h4-/+ 25.g4?? (25.Rd8 Rd8 26.e6 hg3 27.ef7 Kf7 28.h3-+) 25...Qg4 26.Kh1 Qh3 27.Bd3 Ng3 28.Kg1 e2 29.hg3 ef1Q 30.Rf1-+ Qg3 31.Kh1 Rd3 32.Bb4 Bf3 (32...Bf3 33.Rf3 Rd1 34.Be1 Re1 35.Rf1 Rf1 36.Qg1 Rg1) 0–1. Strater,Heinz (2005) – Fleischer,Birgit (1900), Neumarkt am Wallersee AUT, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.d4 Nf6 8.d5 (8.Ne5 Nfd7 9.Qe2 Ne5 10.Qe5 Qe5 11.de5 Nc6+=) 8...Qb6 (8...Qd6 9.ab4 Qb4 10.Bd2+=) 9.Bd3 (9.Ne5 ba3 10.Ba3 Ba3 11.Ra3 Qb4 12.Rc3 Ne4+=) 9...Bc5 10.ab4 (10.0-0 Bg4 11.Qa4 Bd7=) 10...Bb4 11.Bd2 0-0 12.Bb4 Qb4 13.Qd2 Na6 (13...Qb6 14.Nc3+=) 14.Ne5 Re8 15.f4 Qb6 16.Qf2 Qb4 17.Qd2 Qb6 18.Qf2 Nd7 19.0-0 (19.Qb6!? Nb6 20.Kd2=) 19...Qf2+= 20.Kf2 Ne5 21.fe5 Re5 22.Nd2 Nc5 23.Bc2 Bd7 24.Nb3 Nb3 25.Bb3 Kf8 26.Rfb1 Bf5 27.Rb2 a6 ½–½. marekt – JJ1984, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Be2 Nc6 8.Bb2 Nf6 9.0-0 Bd6 (9...e4 10.Ne1-/+) 10.ab4 Bb4 (10...e4 11.Re1 0-0=+ (worse 11...ef3 12.Bf3 Ne5 13.Be5 Be5 14.d4 Qc4 15.de5+-; 11...Bb4?! 12.Ng5 Qd6 13.Bf3=; 11...Nb4?! 12.d3=+)) 11.Ne5? (better 11.d4 ed4 12.Nd4 Nd4 13.Bd4=+) 11...Ne5-+ 12.Be5 (12.d4 Ned7-+ (worse 12...Nc4 13.Qa4 Kd8 14.Bc4 Qc4 15.Rc1-+)) 12...Qe5 13.Qa4 (13.d4 Qe7-+) 13...Bd7 14.Qb4 Qa1 (14...Qe2 15.d4 Qe7 16.Re1=+) 15.Nc3 Qa6 16.c5 Qe6 17.Bc4 Qg4 (17...Qe7!? 18.Qb7 0-0 19.d4-+) 18.Re1 Be6 19.c6 (19.Qb5 Kf8 20.Be6 fe6 21.Qb7-+) 19...bc6 20.d3 (20.Nb5 Nd5 (20...cb5?! 21.Bb5 Kd8 22.Qa5 Ke7 23.Qa3 Kd8 24.Qa5 Ke7 25.Qa3 Kd8 26.Qa5=) 21.Qc5 Nf4-+ (21...cb5 22.Bb5 Kd8 23.Qd6 Bd7 24.h3+-)) 20...Rd8 (20...Qf4 21.Qc5 Kd7 22.Be6 fe6 23.Ne4-+) 21.h3 (21.Qc5 Qd4 22.Qc6 Kf8 23.Be6 fe6-+) 21...Qf5 (21...Qf4 22.Qa3 Qd6 23.Qa7-+) 22.g4 (22.d4 a5 23.Qa4 0-0-+) 22...Ng4! 23.hg4 (23.hg4 Qg4 Combination) 23...Qg4 24.Kf1 Qh3 (24...Rd3! 25.Ne4 Rd1 26.Qb8 Rd8 27.Be6 fe6 28.Qb4-+) 25.Kg1 Qf5 26.Ne4 Qg4 27.Kf1 Qf4 (better 27...Qf3 28.Kg1 Qf4-+ (28...Rd3 29.Be6 fe6 30.Ng5+-)) 28.d4 (28.Qc5 Rd7 29.Ng5 Qd6 30.Ne6 Qc5 (30...fe6?? 31.Re6 Qe6 32.Be6+-) 31.Nc5 Re7-/+) 28...Qc7 (better 28...Rd4 29.Qc5 Rc4 30.Nd6 Kd7 31.Nc4 Qc4 32.Qc4 Bc4 33.Kg1 Bd5-+) 29.d5 (29.Be6 fe6 30.Ng5-+) 29...Bh3 (better 29...Rd5 30.Bd5 cd5 31.Nd6 Kf8 32.Nf5 Ke8 33.Ng7 Kd7 34.Qa4 Kc8 35.Ne6 fe6 36.Re6 Qc4 37.Qc4 dc4 38.Rc6 Kb7 39.Rc4 h5-+) 30.Kg1 c5?? (30...Rb8 31.Ng5 Be6=+) 31.Nc5+- Kf8 32.Ne6 Kg8 33.Nc7 g6 (33...h5+-) 34.Re8 Re8 35.Ne8 Bd7 36.Nf6 Kg7 37.Nd7 Rd8 38.Qc3 Kh6 39.Qe3 g5 40.Qe7 Rc8 (40...g4 41.Qh4 Kg6 42.Bd3 f5 43.Qf6 Kh5 44.Qf5 Kh6 45.Qh7 Kg5 46.Qg6 Kf4 47.Qf6) 41.Qf6 Kh5 42.Be2 Kh4 (42...g4 43.f4 Rc1 44.Kg2 Rg1 45.Kg1 h6 46.Qf5 Kh4 47.Qg4) 43.Qh6 1–0. Demirci,Fatih (1775) – Mermer,Yunus, Turkish Cup (7), 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Be2 e4 8.Nd4 Qe5 9.Nb3 Nf6 10.0-0 Bd6 11.g3 0-0 12.d4 ed3! 13.Bd3 Qe7 14.Re1 Bg4 15.Qd2=+ Qc7 16.Bb2= Nbd7 17.ab4 Ne5 18.Be5 Be5 19.Nc3 Rfe8 20.Nb5 Qb6 21.c5+= Qc6 22.N5d4 Bd4 23.Nd4 Qd5 24.Nc2 Re1 25.Re1 Bf5 26.Rd1 Qd3 27.Qd3 Bd3 28.Rd3 Kf8 29.Ne3 a5 30.ba5 Ra5 ½–½. Dunn,Carl (1920) – Nowicki,Andrzej (1850), IECC, 1999.

    7.Be2 e4 8.Nd4 Qe5 9.Nb3 Nf6 10.Qc2 Nc6 11.Bb2 Qe6 12.0-0 Be7 13.d4 ed3! 14.Bd3 (14.Qd3 Bd7 Combination; 14.Bd3 Ne5 Decoy) 14...ba3 15.Ba3 Ba3 (15...0-0 16.Nc3 Ba3 17.Ra3-/+) 16.Na3=+ Nb4 (16...0-0 17.Nb5 Qe5 18.Rfd1-/+) 17.Qc3 Nd3 18.Qd3 0-0 19.Nb5 Qf5 ½–½. Demirci,Fatih (1775) – Ozcan,Berk, Turkish Cup (11), 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Bb2 Nc6

    8.Bd3 Bc5 9.0-0 Nge7 10.Re1 f6 11.Bc2 (11.ab4 Bb4 12.Nc3 0-0+=) 11...Qd6 (11...Qc4!? 12.ab4 Bb4-+) 12.ab4-/+ Bb4 13.Na3 0-0 14.Nb5 Qd8 15.Qb1 g6 (15...Bd2? 16.Bh7 Kh8 17.Rd1+-) 16.Re3 Bf5 (16...Bd2? 17.Rd3 Qb6 18.Rd2+-) 17.d4 Bc2 18.Qc2 Nf5 19.Rb3 ed4 20.Na7 Bc5 21.Nc6 Ra1 22.Ba1 bc6 23.Rd3 Qa5 24.Qd1 Re8 25.g3 (25.Bd4?? Nd4 26.g3 Nf3 27.Qf3 Qe1 28.Kg2 Re2 29.Rd8 Kf7 30.Rd7 Ke8-+) 25...Qb4 26.Qc2? (26.g4 Nh6-/+) 26...Rd8 (better is 26...Re1 27.Ne1 Qe1 28.Kg2 Qa1-+) 27.Bb2-/+ h5 (27...Qb6 28.Qe2-/+) 28.Kg2 Qb7-/+ 29.h3 Qe7 30.Rd2 Qe6 31.Re2 Qd6 32.Qd3 Kg7 33.Bc1 Qd7-/+ 34.Nd2 Bf8 35.Ne4 c5 36.Ra2 Re8 37.Ra6?? Qb7-+ 38.g4 Re4 39.Qf3 Nh4 (39...Nh4 40.Kh2 Nf3 41.Kg2 Re1 42.Rc6 Qc6 43.Bh6 Kf7 44.Kg3 Bd6 45.Bf4 Rg1) 0–1. Guelke,Volker (2145) – Zierke,Oliver (2310), Schleswig Holstein–ch M, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    8.Bd3 Bd6 9.0-0 Nge7 10.Re1 e5 becomes the focus of attention 10...f6 11.Bf1 Qd7 12.ab4 Bb4 (worse is 12...Nb4 13.d4 ed4 14.Bd4= (14.Qd4? Nc2 15.Qe4 Ne1 16.Qe1 0-0-+)) 13.Nc3 0-0 14.Qb3 Kh8 15.Nd5 Bc5 16.Bd3 b6 17.Re4 Nf5 18.Nh4 Nh6 19.Bc2 f5 20.Re2 Nd4 21.Bd4 Bd4 22.Rae1? (better is 22.Rd1=) 22...e4-+ 23.d3 (better is 23.Qg3 Bb7 24.Qh3-+) 23...Qd8?? (better is 23...g5 24.de4 gh4 25.ef5 Nf5-+) 24.g3-/+ Qg5 (24...Ng4 25.de4 fe4+=) 25.de4= fe4 26.Be4 Bg4 27.Nf3 Bf3 28.Bf3 Rac8 29.Re4 Bc5 (29...Qd2 30.R1e2 Qc1 31.Kg2 Nf5+/- (31...Rc4?? 32.Re1 Qc2 33.Qc2 Rc2 34.Rd4+-)) 30.Nf4+/- Qf6 31.Kg2 Nf5 32.Ne6 Nd4 33.Nd4 Bd4 34.Rh4 Bc5 35.Re2 Rce8 36.Qd3 h6 37.Re8 Re8 38.Rf4 Qb2? (38...Qd6 39.Qc2=) 39.Bd5 (better is 39.Bd1!? Re6 40.Qd8 Kh7 41.Bg4+/-) 39...Rf8+= 40.Rf8 Bf8 41.Qf5 Qf6 42.Qd7 Qe7 43.Qb5 g5 44.Qc6 Kg7 45.h3 Qd6 46.Qa4 a5 47.Qb5 Qf6 48.Qe8 Qe7 49.Qa8 Qf6 50.Qb7 Be7 51.Qd7 h5 52.Qe8 Bc5 53.Bf3 Qd4 54.Qe2 (54.Kh1!?=) 54...a4+= 55.Be4 (55.Bh5?? a3-+) 55...a3 56.Bb1 Qb2 (56...Kf6!?-/+) 57.Qb2= ab2 58.g4 h4 59.f4 gf4 60.Kf3 Be3 61.g5 Bd2 62.g6 Kf6 63.Kg4 f3 ½–½. Bortnik,Alexandr (2305) – Derevianchenko,Ilia (2070), UKR–ch U16, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    8.Bd3 Bd6 9.0-0 Nf6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 Qf5 13.Be5 Be5 14.Re5 Qc2 15.Nc3 Qd1 16.Rd1 Nc6 17.Re3 Bg4 18.d4 Rac8 19.Nb5 Rfd8 20.c5 b6 21.Nd6 Rc7 22.h3 Bf3 23.Rf3 bc5 24.dc5 Ne4 (24...Na5 25.Rc3=) 25.Re1 Nd6 26.cd6 Rcd7 27.Bc4 g6 (worse 27...Rd6 28.Bf7 Kh8 29.Re8 Re8 30.Be8+-) 28.g4 Rf8 (28...g5 29.Rf5 Nd4 30.Rg5 Kf8 31.Kg2 Rd6 32.Ra5=) 29.Rf6+= Rb8 30.g5 Nd8 31.h4 (31.Re7!? Rbb7 32.Rd7 Rd7 33.Bd5+=) 31...Rb6 32.Kg2 (32.Re7 Rbd6 33.Rd6 Rd6 34.Ra7 Rd4=) 32...Rbd6 (better 32...Rdd6!? 33.Re8 Kg7 34.Rd8 Rd8 35.Rf7 Kh8 36.Ra7 h6=+) 33.Bb5+- Ne6 34.Bd7 Rd7 35.Re4 (35.Ra1 Rb7+-) 35...Kg7+= 36.Rf3 h6 37.gh6 Kh6 38.Ra3 Ng7 (38...a6!?+=) 39.Rea4+- Nf5 40.Ra7 Nh4 41.Kh3 Ra7 42.Ra7 Nf3 43.Kg2 Nh4 44.Kg3 Nf5 45.Kf4 Kg7 46.Ke5 Nh6 47.Kd6 Kf6 48.Kd7 (48.Ra5!?+-) 48...Kg5 49.Ke7 f5 (49...Kf4 50.Kf6 Ng4 51.Kg7+=) 50.Ra4 f4 51.f3 Nf5 52.Ke6 Nh4 53.Ra5 Kh6 54.Ra3 Kg5? (better 54...g5!?+-) 55.Ke5+- Ng2 56.Ra2 Nh4 57.Ke4 Kh5 58.Kf4 g5 59.Ke4 Kh6 60.Ra8 Kh5? (60...Kg6+-) 61.Rh8 Kg6 62.f4 Nf5 63.Rg8 Ng7 64.fg5 Kf7 65.Ra8 Kg6 66.Kf4 1–0. Bortnik,Alexandr (2515) – Vorontsov,Pavlo (2410), Memorial V. Somov World's Youth Stars, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    8.Bd3 Bd6 9.Ng5 Qg4 (9...Qe7!? 10.Ne4 Nf6-/+) 10.Qg4=+ Bg4 11.0-0 (11.h3 Bh5-/+) 11...b3 (11...Rd8 12.Be4 Be7 13.Nf3 Bf3 14.Bf3-/+) 12.f3 Bc5 13.Kh1 Bh5 14.f4 Bd4 15.Nc3 (15.Bd4!? ed4 16.Bh7-/+) 15...Rd8-+ 16.Bh7 f6 17.Bg8 fg5 18.Bd5 gf4 19.Rae1 Ne7 20.Bb7 (20.Na4 Bb2 21.Nb2 Nd5 22.cd5 Rd5 23.Rf4 Rd2 24.Nc4-+) 20...Nf5 21.Rf4 (21.Rf3 Bf3 22.gf3-+) 21…Ng3!! (21...Ng3 22.hg3 Bg4) 0–1. Haroldlee123 (1790) – juliangon (2640), ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    8.Bd3 f6 9.0-0 Bc5 10.ab4 Nb4 11.Be4 Ne7 12.Ra5 Bd6 13.d4 0-0 14.de5 Bc7 15.Rb5 Qc4 16.ef6 gf6 17.Nd4 a5 18.Re1 Be5 19.Na3 Qf7 20.Bb7+= Rb8 21.Be4 Rb5+= 22.Nab5 Bd7 23.Qd2 Re8 24.f4 Bb8 25.g3 Ned5 26.Ba3 Kg7 27.Re2 f5 28.Bf3 Re2 29.Be2 Qe7 30.Bb2 Kg6 31.Nf3 Qe3 32.Qe3 Ne3 33.Ne5 Be5 34.fe5 a4 35.Nd4 Nbc2 36.Nc2 Nc2 37.Bc4 Ne3 38.e6 Bc6 39.Bd3 h5 40.h4 Nd5 41.Ba6 Ne3 42.Bd4 Nd5 43.Bc4 Ne7 44.Bb2 Bd5 45.Bb5 Bc6 46.Be2 Bd5 47.Ba3 Kf6 48.Bh5 Ke6 49.Kf2 Bc6 50.Be2 Nd5 51.h5 Kf6 52.Bf3 Kg7 53.Bd6 Kf6 54.Bc5 Kf7 55.Bg2 Ne7 56.Bf1 Nd5 57.Bc4 Kg7 58.Be2 Nf6 59.Bd4 a3 60.Ke3 Kf7 61.Kf4 Bd7 62.Ke5 Be6 63.h6 Bc8 64.Bd3 Kg6 65.Bc4 Ne4 66.Be3 Ng3 67.Bg8 Ne2 68.h7 a2 69.Ba2 Kh7 ½–½. pierre – Giotto, Rated game, 5m + 0s, 2010.

    8.Bd3 f6 9.0-0 Qf7 10.Re1 Bc5 11.Be4 Nge7 12.d4 ed4 13.Bd5 Qh5 14.Qa4 ba3 15.Na3 Bd7 16.Qb5 Ba3?? 17.Ba3+- Ne5 18.Qb7 Rd8 19.Ne5 fe5 20.f4 (20.f4 Ng6 21.Qc7+-) 1–0. Bortnik,A (2300) – Adelberg,D (2200), WY Boys–U14 Porto Carras GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.Be2 e4 9.Nd4 Qe5 10.Nc6?? (better 10.Qa4 Bd7 11.Qb5-/+) 10...Qb2 11.Nb4 Qa1 (11...Qa1 12.0-0 Be6-+) 0–1. craig4000 (2080) – juliangon (2665), ChessWorld.net, 2016.

    8.Bd3 Nf6

    9.0-0 Bc5 10.ab4 Nb4 11.Ne5 0-0 12.Be2 Nc6 13.Nc6 Qc6 (13...bc6 14.Ra5 Bd6 15.Nc3=) 14.d4+= Rd8 15.Bf3 White intends d5 15...Qc7 16.d5 (16.Na3 Ba3 17.Ba3 Qc4+=) 16...Bd6 17.h3 (17.Na3 Bh2 18.Kh1 Bd6=) 17...Qc4 18.Ra4 (18.Re1 Qh4=) 18...Qc7=+ 19.Bf6 (19.Qd3 Bd7 20.Rh4 Bh2 21.Kh1 Be5-/+) 19...gf6 20.Qd3 f5 21.Nc3 Qe7 (21...Bd7 22.Rh4 Bh2 23.Kh1 Be5-/+) 22.Qd2 (better 22.Nb5!?=) 22...Bd7-/+ 23.Ra2 (23.Rd4 Re8-/+) 23...Qe5 24.g3 Bb4 25.Rc1 (25.Qg5 Qg7 26.Qg7 Kg7-/+) 25...Rdc8 (25...Rac8!? 26.Rac2 f4 27.Qf4 Qf4 (27...Bc3?! 28.Rc3 Qf4 29.gf4=+) 28.gf4 Bh3-+) 26.Rac2 Rc4 27.Qd3 (27.d6!? Rd4 28.Qg5 Qg7 29.Qh5=+) 27...Rac8-+ 28.Ne2 (28.Na2 Rc2 29.Rc2 Rc2 30.Qc2 Bd6-+) 28...Rc2 29.Rc2 Rc2 30.Qc2 a5 31.Qc1 (31.d6 Bd6 32.Bb7 a4-+) 31...Be7 32.Qb1 (better 32.d6 Qd6 33.Qc3-+) 32...b5 33.Nf4 (33.g4 a4 34.Ng3 Bc5 35.Nf5 Bf5 36.gf5 Qg3 37.Bg2 Qf2 38.Kh2 Qf4 39.Kh1 a3-+) 33...b4 34.Qc2 (34.h4 a4-+) 34...a4 35.Nd3 (35.Kg2 b3 36.Qd1 b2-+) 35...Qd6 (35...b3 36.Qc1 (36.Ne5?? bc2 37.Nd3 Bg5-+) 36...Qd4 37.Qb1-+) 36.Nb2 (36.Nc1-+) 36...b3 37.Qd3 Bf6 (37...a3 38.Qb3 Qb4 39.Bd1 ab2 40.Qb4 Bb4 41.Bc2-+) 38.Nc4 (38.Na4 Ba4 39.Qf5 Bd7-+) 38...Qa6 39.d6 (39.Be2 a3 40.Na3 Qa3 41.Kg2-+) 39...a3 40.Qb3 a2 41.Qb8 Qc8 (41...Qc8 42.Qc8 Bc8-+) 0–1. Hamann,Carsten (2110) – Mueller,Oliver (2295), 2. Bundesliga Nord, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6 8.Bd3 Nf6)

    9.0-0 Bc5 10.ab4 Nb4 11.Ne5 0-0 12.Be2 Nc6 13.Nf3 Rd8 14.Na3 Qe4 15.Nc2 Qg6 16.d4 Bf5 17.Ne3 Be4 18.d5 Nb4 19.Bd4 Nd7 20.Bc5 Nc5 21.Ne5 Qd6 22.f4 f6 23.Nf3? (better is 23.N5g4+=) 23...Qf4-+ 24.Qd4 Nb3 25.Qc3 Na1 26.g3 Qd6 (26...Qh6!? 27.Ra1 Bd3 28.Ng4-+) 27.c5 Nd5 (27...Rac8 28.Qb4 (28.cd6 Rc3 29.Ra1 Re3-+) 28...Nc2 A) 29.cd6 Nb4 30.Nd2 Bg6-+ (worse is 30...Nd5 31.Bc4 Rc4 32.Nec4-+); B) 29.Nc2 Qc5 30.Qc5 Rc5 31.Nb4 Bd5 32.Rd1-+) 28.Nd5-/+ (28.cd6?? Nc3 29.Bc4 Kh8-+) 28...Qd5 29.Bc4 Qc4! 30.Qc4 Bd5 31.Qc3 Nb3 32.Nh4 Rac8 33.Nf5 Rc5 34.Qe3 Bf7 35.Qf4? Bc4 36.Re1 Bf7?? 37.Qg4 Bg6+= 38.Ne7 Kh8 39.Ng6 hg6 40.Qh4 Rh5-/+ 41.Qe4 Nc5 42.Qg6 Rg5 43.Qf7 Kh7 44.h4 Rg3-+ 45.Kh2 ½–½. Hamann,Carsten (2170) – Kosak,Michael (2120), Schleswig Holstein–ch M, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    9.0-0 Bc5 10.ab4= Nb4 11.Ne5 0-0 12.Be2 Nc6 13.Nf3 Rd8 14.d4 Nd4 15.Nd4 Bd4 16.Bd4=+ Qe4 17.Nc3 Qd4 18.Qb3 Qc5 19.Rfd1 Bg4 20.Qb7 Be2 21.Ne2 Qc4 22.Ng3 Rd1 23.Rd1 Qc8 24.Qf3 Qe8 25.h4 a5-/+ 26.h5 h6 27.Rd3 Qe1 28.Kh2 Re8 29.Rd4 Qe5 30.Rf4 Qg5 31.Kh3 Re5 32.Rh4 Re1 33.Qc3 Qc1 34.Qa5= Qc8 35.Kh2 Rd1 36.Qa4 Rd2 37.Qa7?? Ng4-+ 38.Rg4 Qg4 39.Qb8 Kh7 40.Qb1 g6 41.hg6 Qg6 42.Qe1 Rd4 43.Qe7 Qe6 44.Qe6 fe6 45.f3 Rh4 46.Kg1 Kg6 47.Kf2 Kf6 48.Ke3 Ke5 49.Ne4 Rh2 50.Kf2 Rh1 51.Kg3 Re1 52.Nf2 Kf5 53.Nd3 Re3 54.Nf2 h5 55.Nh3 Re2 56.Ng1 h4! 57.Kh2 Rf2 58.Nh3 Rf1 59.Ng1 Re1 60.Nh3 Ke5 61.Nf2 Kd4 62.Kh3 Rf1 63.Ne4 Rh1 64.Kg4 Ke3 65.Ng5-/+ e5 66.Nf7 Kf2 67.Ne5=+ Kg2 68.f4?? h3-+ 69.Kg5 Rg1 70.f5 h2 0–1. Hamann,C (2215) – Stanke,J (2320), ch–GER, Koenigshofen GER, 2007.

    9.0-0 Nd7 10.Re1 f6 11.Be4 Nb6 12.d4 Qc4 13.Nbd2 Qe6 14.de5 f5 15.Bc6 Qc6 16.e6 ba3 17.Bd4 Qa4 18.Qa4 Na4 19.e7! Bd7 20.ef8Q Kf8 21.Ra3 Rg8 22.Ne5 Bb5 23.Ndf3 g5 24.g4 f4 25.h4 h6 26.h5 Be8 27.Ng6! (27.Ng6 Bg6 28.Ra4+-) 1–0. Zherebukh,Y (2180) – Kutuzovic,B (2345), Open A Pardubice CZE (2), 2005.

    9.0-0 Bd6

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Nc3 Nc3 16.Bc3 Bc5 17.Qc1 f6 18.Rd1 Qc7 19.Nd4 Nc6 20.Nb5 Qe7 21.Kh1 (better 21.Qf4!?=+) 21...Bf2-+ 22.Qf4 Qe3 23.Qd6 Qc5 (23...Rd8!? 24.Qc7 Re8 25.Bd2-+) 24.Qd5 Qd5 25.cd5 Ne5 26.Nc7 Bg4 27.Rdb1 Rab8 28.Bb4 (28.Nb5 Bf5 29.Rb2 Bc5-+) 28...Rf7 29.d6 Rc8 30.h3 Bf5 31.Rd1 Rcc7 32.dc7 Rc7 33.Bd6 Rc2 (33...Rc3 34.Rac1 Rc1 35.Rc1-+) 34.Rac1 (34.Ra5 Bb6 35.Rb5 g6-/+) 34...Rc1 35.Rc1 Bb6 36.Be5 fe5 37.Bc4 Kh8 38.Bd5 h5 39.Bb7 e4 (39...Bd4 40.Kh2-/+) 40.Kh2 (40.g4 hg4 41.hg4 Bg4 42.Be4 Kg8-/+) 40...h4 (40...e3!?-/+) 41.Rc4=+ Attacks the isolani on e4 41...e3 42.Rh4 Bh7 (42...Kg8!? 43.Ba6 Kf7=+) 43.Ba6= g5 44.Rh5 Bd8 45.Rh6 Kg7 46.Re6 Bb6 47.Re7 Kh6 48.Kg3 Bf5 49.Kf3 Kg6 50.Ke2 Kf6 51.Re8 Bg6 52.Rf8 Kg7 53.Rb8 Be4 54.Bb7 Bg6 55.Bd5 Kf6 56.Rf8 Kg7 57.Rf1 Be8 58.Be4 Bd7 59.Bd3 Be6 60.Kf3 Bd5 61.Kg4 Bg2 62.Rf5 Bd8 63.Re5 Bf6 (63...Bb6 64.Rg5 Kf6 65.Rf5 Ke6 66.Bc4 Kd6 67.h4=) 64.Re3+= Bc6 65.Be4 Bd7 66.Bf5 Bb5 67.Ra3 a6 (67...Be2 68.Kg3 Bd4 69.Bd3+=) 68.Bc8+- Be7 69.Ra2 (worse 69.Ra6 Ba6 70.Ba6 Kf6=) 69...Bc4 70.Ra1 (70.Rc2 Bb5 71.Rc7 Kf7+-) 70...Bf6+= 71.Rc1 Be2 72.Kf5 Bd3 73.Ke6 Kg6 74.Kd5 a5 75.Bd7 Bd8 76.Rc8 Bf6 77.Be8 Kf5 (77...Kg7+=) 78.Bd7 (78.Rc5!?+-) 78...Kg6+= 79.Rg8 Bg7 80.Ra8 Bc3 81.Bg4 Bb4 82.Rc8 Be7 83.Ke6 Bf6? (better 83...Bb4!?+=) 84.Bh5!+- Kg7 (84...Kh5 85.Kf6 Deflection) 85.Rc7 Kh6 86.Kf6 Kh5 87.Rc8 Kh6 88.Rh8 Bh7 89.Ra8 Kh5 (better 89...Be4 90.Rg8 a4+-) 90.Kg7 Kh4 91.Kh7 Kh3 92.Kg6 (92.Ra5 g4 93.Rh5 Kg2=) 92...g4 93.Kf5 (93.Ra5?! g3=) 93...a4 94.Rh8 Kg3 95.Rg8 1–0. Bortnik,Alexandr (2315) – Terekhov,Andrey (2300), Kiev Cup–Independence Cup, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6 8.Bd3 Nf6)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Nc3 Nf2 16.Qd4 Nfd3! 17.Bd3 Nd3 18.Ne4 Bh2! (worse is 18...Nb2 19.Nd6 Nc4 20.Nc4 Qd4 21.Nd4+/-) 19.Kh2 (19.Nh2 Qd4 Double attack; 19.Kh2 Qd4 Combination) 19...Qd4 20.Bd4 (worse is 20.Nd4 Nb2 21.Nd6 Nd3-+) 20...Ne1 21.Re1 Be6 22.Nd6 b6 23.Ng5 Rfd8 24.Be5 Rd6 25.Bd6 Bc4 26.Ne4 h6 27.Ba3 Be6 28.Nd6 Kh7 29.Kg3 g5 30.Kf3 Kg6 31.Ke4 h5 32.Ke5 Rd8 33.Rf1 h4 34.Bc1 Rd7 35.Rf6 Kh5 36.Rf2 Kg4 37.Rf3 a5 38.Ra3 Kh5 39.Be3 Rc7 40.Ne4 ½–½. Keber,Ernst (1840) – Chirea,Alin (2100), AP–2005–Q–00002, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Bd4 (15.Re4?? Bh2 16.Kh2 Qd1-+) 15...Re8 16.Ra7 Ra7 17.Ba7 Bc5 18.Bc5 Nc5 19.Re8 Qe8 20.Qd2 Nc6 21.Na3 Be6 ½–½. Hamann,C (2115) – De Marchi,O (2280), Lichtenberger Sommer, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qg4 14.de4= Bc5 (14...Rd8 15.e5 Be7=+) 15.e5 (better 15.Bf6 gf6 16.Nc3+-) 15...Ne4-/+ 16.Bd4 Rd8 17.h3 Qg6 18.Bd3? (better 18.Qa4 Na6 19.Bc5 Nac5 20.Rd1=+) 18...Nd3-+ 19.Qd3 Bd4?? (better 19...Bh3 20.Nh4 Rd4 21.Qh3 Qb6-+) 20.Nd4=+ Nc5 (20...Nf2!? 21.Qg6 hg6=+) 21.Qg6= hg6 22.Nb5 a6 23.Nc7 (23.N1c3!?+=) 23...Rb8= 24.Nc3 (24.Nd5=) 24...Be6 (better 24...Rd4!?=+) 25.N3d5+= Rd7 26.Reb1 (26.Ne6 Ne6 27.Reb1 Re8+=) 26...Bd5 (26...Bf5 27.Re1=+) 27.Nd5= Re8 28.f4 b5 29.Ra5 Ne6 30.Ra6 bc4 31.Rd6 Ra7 32.Rc1 Rc8 (32...g5 33.Rc4 Nf4 34.Nf4 gf4 35.Rd5=) 33.g4 (33.Nb6 Rc5+=) 33...c3 34.Kf2 (34.Nc3 Rac7 35.f5 gf5 36.gf5 Nf4-/+ (36...Rc3?! 37.Rc3 Rc3 38.fe6 fe6 39.Re6=)) 34...Kf8 35.Nb6 (35.Rc3 Rc3 36.Nc3 Nf4=) 35...Re8 (35...Rcc7 36.Ke3 c2 37.Nd5=) 36.Kf3+= Ra3 37.Rd3 Rb3 38.Nd7?? (38.Nc4+-) 38...Kg8?? (better 38...Ke7 39.f5 gf5 40.gf5 Rh8-/+) 39.Rcc3 (39.Rdc3 Rc3 40.Rc3 Ra8+-) 39...Rc3? (better 39...Rb4!? 40.h4 Rf4 41.Kg3 Rf1+=) 40.Rc3+- Rd8 41.Nb6 (better 41.Rd3!? Rc8 42.f5 gf5 43.gf5+-) 41...Rd4+- 42.Rc8 Kh7 43.Rc4 Rd3 44.Ke4 White prepares the advance f5 44...Rh3 45.Nc8 Ra3 46.Nd6 White plans f5 46...Ra7 47.f5 (47.g5 Kg8+-) 47...gf5 48.gf5 Nd8 49.Rc8 Rd7 50.Rb8 (50.Ke3 g6+-) 50...g6 (50...f6!? 51.Ra8 fe5 52.Ke5 Nc6 53.Ke6 Re7 54.Kd5 Nb4 55.Kc5 Nc2+=) 51.f6+- Kg8 52.Kf4 Kh7 53.Kg4?? (better 53.Rd8 Rd8 54.Nf7+-) 53...Nc6=+ 54.Rb6 Ne5 55.Kf4 Nd3 56.Ke4 Nc5 57.Ke5 Nd3 58.Kd5 (58.Ke4 Nb4=+) 58...Nf4 59.Kc6 Ra7 60.Nc8 (60.Rb8 Ra6 61.Kc5 Ne6 62.Kd5 Ra7=+) 60...Ra5 61.Kd7 Rf5 (better 61...Kh6-/+) 62.Ne7+= Nd5 63.Nd5 Rd5 64.Ke7 Rf5 65.Kf7 Ra5 66.Re6 g5 67.Kf8 (67.Re2!? Ra7 68.Re7+-) 67...g4+= 68.f7 g3 69.Ke7 Ra7 70.Kf6 Ra8?? (better 70...g2 71.f8Q g1Q 72.Re7 Re7 73.Qe7 Kh6 74.Qf8 Kh7=) 71.Re8+- Ra6 72.Ke5 g2 (72...Ra5 73.Ke4 Ra4 74.Kf3 Ra3 75.Kg2 Ra2 76.Kg3 Ra3 77.Kg4 Ra4 78.Kf5 Ra5 79.Ke6 Ra6 80.Ke5 Ra5 81.Ke4 Ra4 82.Ke3 Ra3 83.Ke2 Ra2 84.Kd3 Ra3 85.Kd4 Ra4 86.Kd5 Ra5 87.Kd6 Ra6 88.Ke7 Ra7 89.Kf6 Ra6 90.Kg5 Ra5 91.Kf4 Ra4 92.Kf3 Ra3 93.Kf2 Ra2 94.Ke1 Ra1 95.Kd2 Ra2 96.Kc3 Ra3 97.Kc4 Ra4 98.Kc5 Ra5 99.Kb4 Rf5+-) 73.f8Q Ra5 74.Ke4 (74.Ke4 Ra4 75.Kf3 Ra3 76.Kg2 Ra2 77.Kf3 Rf2 78.Kf2 Kg6 79.Qd6 Kf5 80.Kg3 Kg5 81.Re5) 1–0. Bortnik,Alexandr (2315) – Laverton,Christian (2005), ARCTIC Chess CHALLENGE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6 8.Bd3 Nf6)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d4? Qg4 (13...Qf5 14.Ne5 Rd8 15.Qe2-/+) 14.Ne5-/+ Qd1 15.Rd1 e3! 16.f3 (16.fe3 Nc2 Double attack (16...Nc2 Decoy)) 16...Nc2 17.Ra2 1–0. UncleBulgaria (2320) – Deliam (1770), ChessWorld.net, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bb2 Nc6 8.Bd3 Nf6)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 Qf5 13.Be5= Be5 14.Re5 Qf4 15.Ra4 Bg4 16.Re3 Nc6 17.Nc3 Nd4 18.Be2 Bd7 19.Ra1 Ng4-+ 20.g3 Ne3 21.fe3 Ne2 22.Qe2 Qg4 23.Nd5 Bc6 24.Ne7 Kh8 25.Nc6 bc6 26.Ra5 h6 27.Kg2 Rfe8 28.d3 f6 29.h3 Qe6 30.e4 Kh7 31.Qd2 Red8 32.Qe3 Qd6 33.d4-/+ Qb4 34.Rc5 Qb2 35.Kf1 Qa1 36.Kg2 Rab8 37.h4 Rb2 38.Kh3 Qf1 39.Kg4 g6 40.h5 f5! 41.ef5 gh5 42.Kf4?? Re2-+ 43.Qd3 Rde8 44.f6=+ R2e4 45.Qe4= Re4 46.Ke4 Qe2 47.Kf4+= Qe6 48.Rf5 Kg8 49.Ne5 a5 50.f7 Kf8 51.d5 cd5?? 52.c5+- a4 53.c6 Qd6 54.Kf3 Qa3 55.Kg2 Qb2 56.Kh3 Qb4 57.Nd7 Kg7 58.f8Q (58.f8Q Qf8 59.Nf8 Kg8 60.c7 Kg7 61.c8Q Kg8 62.Qd7 h4 63.Qh7) 1–0. Matseyko,K (2250) – Gorbatenko,K (1950), ch–UKR Women, Alushta UKR, 2004.

    7.ab4 Bb4

    8.Na3 Nc6 9.Nc2-/+.

    8.Na3 Bd7 9.Qb3 Na6 (9...e4 10.Nd4 Qb6 11.Rb1-/+) 10.Bb2 (better 10.Nc2!? Qb6 11.Ra6 Bd2 12.Nd2 Qb3 13.Nb3 ba6 14.Nc5+=) 10...f6 (10...e4 11.Ne5 f6 12.Nd7 Qd7-/+ (12...Kd7?! 13.Nc2 Qb6 14.Qh3 Ke7 15.Ra6 Bd2 16.Kd2 Rd8 17.Ke1 Qa6 18.Qb3+=)) 11.0-0-0? (11.Be2!?=+) 11...Ne7 (11...Rc8 12.Nc2 Be7 13.d4-/+) 12.d4 e4 13.Nc2 Bd6 14.Nd2 0-0 (14...Bf4 15.Ne3 Rc8 16.Qb7 Be3 17.fe3-/+) 15.Ne3 (15.Qb7 Nc7 16.Qe4 Qe4 17.Ne4 Bf4 18.Nd2 Nc8+=) 15...b5 (15...Bb4-/+) 16.c5?? (better 16.cb5 Qb3 17.Nb3=) 16...Qb3-+ 17.Nb3 Bf4 18.d5 Nf5 (better 18...Rfc8!? 19.c6 Nd5-/+) 19.c6=+ Ne3 20.fe3 Be3 21.Kb1 Bf5 (21...Bg4!? 22.Bb5 Bd1 23.Rd1 Nc5=+) 22.Bb5+= Nb4 23.d6 Bf4 (better 23...Be6 24.Nd4 Ba2 25.Ka1 Bf4+/-) 24.d7 (better 24.Bc4 Kh8 25.Nd4+=) 24...e3=+ 25.Ka1 Bc2?? (better 25...Be4 26.Nd4 Bg2-/+) 26.Rd4+- Bd6?? (better 26...Bb3 27.Rb4 a6+-) 27.Rd6 (27.Bc4!? Kh8 28.Rd6 Nc6 29.Rc6 Be4+-) 27...Bb3 28.c7 Rfd8 (28...a6 29.Be2 Rfd8+-) 29.Rc1 (worse 29.cd8Q Rd8 30.Bc3 Nd5+-) 29...Nc2 30.Kb1 a6 (30...Kf7+-) 31.Bc6 e2 (31...Rab8 32.Rd3 Na3 33.Ba3 Be6 34.Ka1 Kf7+-) 32.Ba8 Ra8 33.c8Q (33.d8Q Kf7 34.Rd7 Ke6 35.Re7 Kf5 36.Qd3 Kf4 37.Qe4 Kg5 38.Rg7 Kh5 39.Qh7) 33...Kf7 34.Qa8 (34.Qa8 e1R 35.Re1 Na3 36.Ba3 Kg6 37.Qe4 Kh6 38.Qh4 Kg6 39.Qg4 Kf7 40.d8N Kf8 41.Ra6 Kg8 42.Re8) 1-0. Weetik,V (2420) - Grochal,J (2335), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4)

    8.Bb2 Nc6 9.Nc3 Nf6 10.Nb5 Qe7 11.Ra4 0-0 12.Be2 a6 13.0-0 Bf5 14.Nc3 Nd4 15.d3 Bc3 16.Bc3 Ne2 17.Qe2 Qd7 18.Qd1 Qd3 (18...Bd3? 19.Ne5 Qa4 20.Qa4 Bf1 21.Kf1+-) 19.Qa1 Ne4 20.Bb4 Rfe8 21.Ne5 Qd8 22.Ra5 Qc8 23.f3 Nf6 24.Rc5 Qe6 25.Re1 Qb6 26.Qa3 Nd7 27.g4?? (better is 27.Qa5 Qa7 28.Nd7 Bd7 29.Re8 Re8 30.Qc7-/+) 27...Ne5-+ (27...Nc5?! 28.Bc5 Qf6 29.Bd4-+) 28.Ba5 Qa7 29.Kg2 Nd3 30.Re8 Re8 31.Rf5 Re2 32.Kh3 Qg1 33.Bc7 Nf2 34.Kh4-+ Qg2 35.Rh5 f6 (35...f6 36.Qf8 Kf8 37.Bd6 Kf7 38.Rh7 Qh3) 0–1. Zelinsky,A (2090) – Buksa,N (1975), Lviv Talents FIDE open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.Nc3 Nc6 9.Nb5 Qe7 10.Ba3 Ba3 11.Ra3 Nf6 12.Qa1 0-0 13.Be2 a6 14.0-0 Rb8 15.Nc3 e4 16.Ne1 Nd4 17.Bd1 Be6 18.Ne2 Ne2 19.Be2 Rbc8 20.Rc3 Rfd8 21.Qb2 Rd7 22.d4 (22.Rc2 Qd6-+) 22...Rd4 23.Rg3 Bc4 24.Nc2 (24.Qd4 Be2 25.Qe3 Bf1 26.Qg5-+) 24...Rd2 (24...Be2?! 25.Nd4 Bf1 26.Nf5-+) 25.Qc3 (25.Bc4 Rc4 26.Qa3 Qa3 27.Na3 Rc8-+) 25...Re2 26.Nd4 Be6 (26...Qd8 27.Nf5 Kh8 28.Rg7-+) 27.Qa5 (27.Rg7 Kh8 28.Qg3 Rd2 29.Ne6 Qe6-+) 27...Ra2 28.Qg5 g6 29.f4 Qc5 30.Qf6 Rd2 31.f5 Qd4 32.Qd4 Rd4 33.fe6 fe6 34.h4 Kg7 35.h5 Rc7 36.hg6 hg6 37.Rb3 b5 38.Ra1 Rc6 39.Rba3 b4 40.Rb3 Rc3 41.Rb2 Ra3 42.Rc1 e3 43.Rc7 Kf6 44.Rb7 a5 45.Rb6 Rd2 46.Rb1 Raa2 (46...Raa2 47.Rf1 Kg5-+) 0–1. Khitrich,Roman – Bondarchuk,Sergei (2310), Yuzhny op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.Be2 Nc6 9.Bb2-/+.

    8.Be2 Ne7 9.0-0 Nbc6 10.Na3 (10.Ba3 e4 11.Nd4 Nd4 12.Bb4 Nec6-/+) 10...e4-+ 11.Ne1 0-0 12.Nec2 Qf6 13.Rb1 Bc5 14.Bb2 Qh6 15.Ne3 (15.d4 ed3 16.Bd3 Bd6-/+) 15...f5 16.d4 ed3 17.Qd3 f4 18.Qd5?? (better 18.Nec2-/+) 18...Nd5-+ 19.Nd5 f3! 20.Bf3 (20.gf3 Bd6) 20...Rf3! 21.gf3 Deflection from h3 21...Bh3 (21...Bh3 22.Kh1 Qh5 23.Nf6 gf6 24.Rg1 Kf7 25.Rg7 Kg7 26.Bf6 Kf6 27.Rb3 Qg6 28.Rb7 Qg2) 0–1. nimzo1 (1990) – juliangon (2675), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Bd3? Nc6??

    8.0-0 ba3 9.Re1 Bc5 (9...a2 10.Ra2 Nf6 11.Bb2=+) 10.Be4 Nge7 11.Nc3 (11.Na3 Qg4=+) 11...a6 (11...Qc4!? 12.Bc6 Nc6 13.Ne5 Ne5 14.Re5 Be6=+) 12.Bd5 Qd7 (12...Nd5? 13.cd5 Qg4 14.dc6+-) 13.Bc6 Nc6 14.Ne5 Bf2 15.Kf2 Qd4 16.Kf1 (16.Kg3 Ne5 17.Qh5 0-0 18.Qe5 Qg4 19.Kf2 Qh4 20.Kg1 Be6 21.Ba3 Rfd8+-) 16...Ne5+= 17.Qh5 Qf4 18.Kg1 g5? (better 18...Bf5 19.Qf3 Qd4 20.Qf2 Qf2 21.Kf2 f6+-) 19.Re4+- (19.Ra3 Bg4 20.Qh6 Qd4 21.Re3 0-0-0 22.Qg5 Nc4-/+; 19.Ba3 Be6 20.Bb2 Qd4 (20...Qd2? 21.Na4 Ng6 22.Bh8 Qg2 23.Kg2 Nf4 24.Kf2 Nh5 25.Be5+-) 21.Kh1 Qg4 (21...Qd2? 22.Re2 Qd3 23.Nd5+-) 22.Qg4 Ng4+-) 19...Qf6 (19...Bg4 20.Qh6 Qf5 21.Nd5+- (21.Ra3?! 0-0-0+-; 21.Ba3?! 0-0-0+-)) 20.d4 (20.Ra3?! Be6 21.Qe2 0-0 22.Re5 Bc4+-; 20.Ba3?! Be6 21.Rf1 Qg6+-) 20...Be6 21.Re5 (21.de5?! Qg6 22.Qd1 Rc8+-) 21...h6 (21...Rc8 22.Ne4 Qg6 23.Qg6 hg6+- (23...fg6?? 24.Re6 Kd7 25.Rd6 Kc7 26.Ba3+-)) 22.Ne4 (better 22.Nd5 Qe5 23.de5 0-0-0+-) 22...Qd8 (22...Qg6 23.Qg6 fg6 24.Re6 Kd7 25.Rg6 b5+-) 23.Re6 Kf8 24.Ba3 (24.Ba3 Kg7 25.Rf1+-) 1–0. Vokoun,Tomas – Reuter,Elisa (1845), European Union Youth Championship U14, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.0-0 Nf6 9.Bb2 Bd6 10.c5 Bc5 11.ab4 Bb4 12.Ne5 Ne5 13.Be5 0-0 (worse is 13...Qe5 14.Re1 Qe1 15.Qe1 Be6 16.Bb5 Ke7 17.Ra4+=) 14.Re1 Bd7 15.Nc3 Bc6 16.Rb1 Bc3 17.dc3 Rfe8 18.f3 Qd5 19.Bd4 Qg5 20.Kh1 a6 21.Qc2 h6 22.Qf2 Re1 23.Re1 Re8 24.Re8 Ne8 25.Qe1 Nc7 26.h4 Qd8 27.Bf5 Nb5 28.Be5 Qe7 29.Qg3 f6 30.Bf4 g5 31.hg5 hg5 32.Bd2 Qd6 33.Qe1 Kg7 34.Qe2 Qe5 35.Qe5 fe5 36.Bg5 Nc3 37.Kg1 b5 38.Kf2 b4 39.Ke1 a5 40.Kd2 Nb5 41.Be7 Nd4 42.Bd3 Kf7 43.Bd6 Ke6 44.Bf8 Bb5 45.Be4 Bf1 46.g4 Bg2 47.Ke3 b3 48.Ba3 0–1. Shivananda,B (2375) – Vidit,S (2510), 10th Parsvnath Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.0-0 Nf6 9.Bb2 Bd6 10.Re1 Pawn e5, live or die! 10...0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Rd8 14.Nbd2 Bf4 15.Ne4 Ne4 16.Re4 Qe4 17.de4 Rd1 18.Rd1 Bg4 19.Be2 Nc6 20.h3 Be6 21.g3 Bc7 22.Ng5 Rd8 23.Ne6 Rd1 24.Bd1 fe6 25.f4 e5 26.f5 Bb6 27.Kg2 Bd4 28.Ba3 Na5 29.Be2 Nb3 30.g4 a5 31.g5 Bc5 32.Bb2 Bd4 33.Ba3 a4 34.Bd1 Bc5 35.Bb2 Bd4 36.Ba3 Bc5 37.Bb2 Bd4 38.Ba3 ½-½. Delaney,K (2310) - Cramling,Pia (2460), 4NCL Online Div1, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4)

    8.0-0 Nf6 9.Re1 Bd6 10.Bb2 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Bc5 14.d4 Bd6 15.Nbd2 (better is 15.Nc3 Qf5 16.Nb5-/+) 15...b6 (better is 15...Qf5 16.Ne5 Rd8-/+) 16.Ng5+= e4 seems the pivot of the position 16...Bh2 17.Kh2 Ng4 18.Kg1 Qd6 19.Ngf3 ef3 20.Nf3 Bf5 21.Ne5 Ne5 22.Re5 Bg6 23.d5 Rfd8 24.Qb3 a5 25.Rae1 Qf8 26.Re7 Nc2-/+ 27.Ba3 a4 28.Qc3 Rac8 29.g3 b5 30.R1e5 bc4 31.Re8 Qe8 32.Re8 Re8 33.d6 Red8 34.Bh3 Rb8 35.d7? Na3 36.Qa3 Ra8?? 37.Kf1?? c3! 38.Ke1 c2 39.Kd2 Rab8 40.Qe7 a3! 41.Bf1 a2 (41...a2 42.Bd3 c1Q 43.Kc1 a1Q 44.Kd2 Rb2 45.Ke3 Qe1 46.Be2 Qe2 47.Kf4 Qf2 48.Ke5 Rb5 49.Qc5 Qe3 50.Kd5 Qc5) 0–1. Go,Benjamin (2160) – Arjun,Bharat (2250), Dieren NED, Dutch Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.0-0 Nf6 9.Re1 Bd6 10.Bb2 0-0 11.Qe2 Re8 12.Bc2 (12.ab4 e4 13.c5 ef3 14.Qe6 Be6 15.cd6 Nb4-+) 12...h6 13.h3? (13.ab4 Nb4 14.Qd1 Qc4-/+) 13...Bd7 (better is 13...e4 14.Qd1 Qd7-+ (14...Qc4?! 15.Bf6 gf6 16.d4-+)) 14.Qf1-/+ e4 15.d4 (15.d3 b3 16.Bb3 Qf5 17.de4 Ne4=) 15...Qf5-/+ 16.d5 (16.Nbd2 ba3 17.Ba3 Ba3 18.Ra3 Qf4 19.Ne4 Ne4-+) 16...Ne5 (16...b3!? 17.dc6 bc2 18.cd7 Nd7 19.Nd4-+) 17.Nd4 (17.Nbd2 Nf3 18.Nf3 a5-/+) 17...Qg6 (17...Qg5 18.Be4 Bh3 19.ab4 Nc4-+) 18.Kh1? (better is 18.Nd2 Nd3 19.Re4 Ne4 20.Qd3 Nd2 21.Qd2-/+) 18...Nd3-+ 19.Bd3 ed3 20.Re8 (20.Nd2 Re1 21.Qe1 Re8-+) 20...Re8 (20...Be8?! 21.ab4 Bb4 22.Bc3-+; 20...Ne8?! 21.ab4 Bb4 22.Nf3-/+) 21.Nd2 (21.ab4 Ne4 22.Nf3 Bb4 23.Bd4-+) 21...Ne4 22.Ne4 Qe4 (22...Re4?! 23.Nf3 Re2 24.Bd4-+) 23.ab4 Bb4 24.Rd1 (24.Nf3-+) 24...d2 25.Nf3 Qc2 26.Be5 (26.Ba3 Ba3 27.Rd2 Qc3-+) 26...Ba4 27.Ra1 (27.Bd6 Qd1 28.Qd1 Bd1 29.Bb4 Bf3 30.Bd2 Be2-+) 27...d1Q 28.Rd1 Qd1 29.Qd1 Bd1 30.d6 (30.Bc7 Re4 31.Ne5 Bc3-+) 30...Bf3 31.gf3 Re5 32.d7 Re1 33.Kg2 Rd1 0–1. Prabhugaonkar,Aditee – Harini,S (2050), Mapusa IND, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    8.0-0 Nf6 9.Re1 Bd6 10.ab4 Nb4 11.Bf1 0-0 12.Nc3 Re8 13.d4 e4 14.Bg5 Qd7 15.Bf6 ef3 16.Qf3 gf6 17.Ne4 Re4 18.Re4 f5 19.Rh4 Qe6 20.c5 Bf8 21.Rd1 Qf6 22.g3 a5 23.Bc4 a4 24.Qa3 Nc6 25.d5 Ne5 26.Ba2 b6-/+ 27.d6 bc5 28.Ra4 Ra4 29.Qa4 Bd7 30.Qa6 f4 31.Qb6 0–1. Shivananda,B (2380) – Yagupov,I (2425), Mumbai IND, 6th Mayors Cup, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6)

    7.Bd3? e4

    8.0-0 Be7 9.Re1 Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Qd6 13.Bd5 Qc7 14.Nc3 Nc6 15.c5 Kf8 16.Bf7= Nf6 17.Nb5 Qd8 18.Ng5 h6 19.Ne4 Ne4 20.Re4 Bf5 21.Rf4 Bf6 22.Rf5 a6 23.Nd6 Nd4 24.Qd5 Nf5 25.Qf5 Qe7 26.g3 h5 27.Bc4 b5 28.Bd5+/- Rd8 29.d4 a5? 30.ba5+- h4 31.Be3 hg3 32.hg3 Qc7 33.Kg2 Qe7 34.g4 1–0. Meissen,Frank (2495) – Goerz,Peter (2415), RSX8D – Challengers–1, 2008.

    8.0-0 Be7 9.Re1 Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Qf4 13.Bb2 Nf6 14.Bf6 gf6 15.Nc3 Qd6 16.Nd5 Kf8 17.Qe3 h6 18.c5 Qd8 19.b5 Nd7 20.d4-/+ f5 21.Bf5 Bg5 22.Qa3? Kg7-/+ 23.h4 Bf6-+ 24.Be4 Bh4 25.c6 bc6 26.bc6 Nf6 27.Qc5?? Ne4-+ 28.Re4 Bg5 29.c7 Qd7 30.Ng5 Qf5 31.f3? hg5-+ 32.Re5 Qb1 33.Kf2 Rh1?? 34.Rg5= Kh6 35.Rh5 Rh5 ½–½. Meissen,Frank (2495) – Class,Wolfgang (2410), RSS7E top–23, 2008.

    8.0-0 Be7 9.Re1 Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Qf4 13.Bb2 Nf6 14.Bf6 gf6 15.Nc3 Qd6 16.Nd5 Kf8 17.c5 Qd8 18.Qc3 Kg7 19.Re3 h5 20.Nh4 Nc6 21.b5 Ne5 22.h3 Be6 23.Ne7= Qe7 24.d4 Ng4 25.hg4 hg4 26.g3 Qd7 27.d5 Bd5 28.c6 bc6 29.bc6 Qe6 30.Bg2 Qc6 31.Nf5 Kh7 32.Qd4 Qc1= 33.Bf1 Bc4 34.Re1 Qe1? 35.Qc4+- Qe6 36.Qg4 (36.Qg4 Qf5 37.Qf5 Kg7 38.Qg4 Kh6 39.Qd4+-) 1–0. Meissen,Frank (2495) – Bauer,Andreas (2420), RSX8D – Challengers–1, 2008.

    8.0-0 Be7 9.Re1-/+ Qf6 10.Be4 Qa1 11.Qb3 Qf6 12.ab4 Kf8 13.Nc3=+ Nc6 14.Nd5 Nd4 15.Nd4= Qd4 16.Bb2 Qd2 17.Rd1 Qg5 18.f4 Qh6 19.Ne7+/- Bg4 20.Qg3 Nf6 21.b5 Ne4 22.Qg4+- (22.Qg4 Nf6 23.Qg3+-) 1–0. Meissen,Frank (2495) – Heinrich,Olaf (2290), RSS7E top–22, 2008.

    8.0-0 Qf6 9.Re1 Qa1 10.Be4 Be7 11.Qb3 Qf6 12.ab4 Nc6 13.Bb2 Qh6 14.b5 Nd8 15.Nc3 Nf6 16.Ba3 Ne6 17.Be7 Ke7 18.Qa3 Kd8 19.Qd6 Nd7?? (better is 19...Ke8+=) 20.Nd5+- Re8 21.c5 1–0. marekt – Snoopy85, ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bd3 e4)

    8.0-0 Qf6 9.Be4 Qa1 10.Qb3 Qf6 11.Re1 Be7 12.ab4 Qf4 13.Bb2 Nf6 14.Bf6 gf6 15.Nc3 Qd6 16.Nd5 Kf8 17.c5 Qd8 18.Qc3 Kg7 19.Nf4 a5 20.b5 Nd7 21.Bb7 (better is 21.Nh5 Kf8 22.d4-+) 21...Bb7 22.Nd4 Ne5 (22...Bc5!? 23.Qg3 Kf8 24.Nfe6 fe6 25.Ne6 Ke8-/+) 23.Nde6 fe6 24.Ne6 Kf7 25.Nd8 Rhd8 26.d4 Rac8 (26...Ng6 27.c6 Bc8 28.b6+=) 27.h4? (27.Qb3 Bd5 28.Qh3 Kg7=) 27...Bd5 (27...Rg8 28.c6 Nc6 29.bc6 Bc6 30.Qb3 Kf8+=) 28.de5+= (28.Qa5 Rg8 29.de5 Rg2 30.Kf1 Bc5-+ (worse is 30...Rc5 31.ef6 Bf8 32.Qd8+/-)) 28...Rg8 29.g3 (better is 29.e6!? Ke8 30.g3 Rc5 31.Qd4=) 29...Rc5+= 30.Qd3 fe5 31.Qf5 (31.Re5?? Rc1 32.Qf1 Rf1 33.Kf1 Bc4 34.Kg1 Rb8-+) 31...Bf6 32.Qd7 Be7 33.Qf5 Bf6 34.b6 Ke7 35.Qh7 Rg7 36.Qf5 Bb7 37.Rd1 Rd5 38.Rc1 Rd6= 39.g4 Rb6 40.g5 Kd8 41.f3 a4 42.Kh1 42...Be7= 43.Qe5 Bf3 44.Kg1 Bf6 45.Qe3 Rc6 46.Rf1 Bd5 47.Rd1 Rd6 48.Qc5 (48.Qc5 Rgd7 49.gf6+-) 1–0. Westera,Bert (2445) – Campant,Bernard (2425), WC31/ct01 ICCF, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bd3 e4)

    8.0-0 Qf6 9.Be4 Qa1 10.Qb3 Qf6 11.Re1 Be7 12.ab4 Qf4 13.Bb2 Kf8 14.Nc3 Nf6 15.Nd5 Nd5 16.Bd5 Nc6 17.b5 Nd8 18.Qc3 Qf6 19.Ne5 h5 20.c5 Ne6?? 21.Qc2? Kg8 22.Re3 Bc5 23.Rf3 Qd8-+ 24.Qe4 Rh7 25.Nf7 Qe7 26.h4 Bd7 27.Ng5+= Rh6 28.Rf7 Qf7 29.Nf7+/- Kf7 30.Be6 Re6 31.Qf5 Kg8 32.Qc5 Be8 33.Qd5 Bf7 34.Qb7 Rd8 35.Qa7 Rd2 36.Bc3 Rd3 37.Qc7 Rg6 38.Qc8 Kh7 39.Qf5 Rc3 40.Qf7 Rc1 41.Kh2 Rd1 42.Qf5 Rdd6 43.g4 Kg8 44.Qh5 1–0. Vetter,Joachim (2530) – Gappel,Heinz (2455), remoteschach.de, 2010.

    8.0-0 Qf6 9.Be4 Qa1 10.Re1 Be7 11.Qb3 Qf6 12.ab4 Qd6 13.Bb2 Nf6 (13...Qb4 14.Qb4 Bb4 15.Bb7 Ne7 16.Ba8+-) 14.Bf6 gf6 15.Nc3 Nc6 (15...Qb4 16.Qb4 Bb4 17.Bb7 Kd8 18.Ba8 Bc3 19.dc3+/-) 16.c5 Qd8 17.d4 (17.Qa4 0-0 18.Bc6 bc6 19.Qc6 Rb8-+) 17...Nd4 18.Nd4 Qd4 19.Nd5 Be6 20.Nc7 Kf8 21.Qe6?? (better is 21.Ne6 fe6 22.Bb7-/+) 21…Qd2-+ (21...Qd2 22.Qc4 Qe1 23.Qf1 Qb4 24.Na8 Qe4-+; 21...fe6 22.Ne6 Kf7 23.Nd4+=; 21...Qb4? 22.Qe7!? Ke7 23.Nd5 Kf8 24.Nb4+-) 0–1. Theuretzbacher,Klaus (2200) – Karner,Christoph (2370), Graz op–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.Bd3 e4)

    7.d4 ed4

    8.Be2 Qb6 9.Qd4 Qd4 10.Nd4 ba3=+.

    8.Be2 Qb6 9.Nd4 Bc5-/+ 10.Be3 Nf6 11.0-0 Nc6 (11...ba3 12.Nc3 Qd8 13.Bf3=+) 12.Nc6=+ bc6 (12...Be3 13.Nb4 Bf4 14.Nc3=+) 13.Bc5= Qc5 14.ab4 Qb4 15.Bf3 0-0 (15...Qc4 16.Na3 Qa6 17.Re1 Be6 18.Qd6+-) 16.Bc6 Rb8 17.Na3 (17.Qd3 Be6 18.Bd5 Rfd8=) 17...Be6 The isolani on c4 becomes a target (17...Qc5 18.Bf3=+) 18.Bb5= Rfd8 (18...Qc5 19.Re1=) 19.Qc1 (19.Qf3 Qc5=) 19...Qc5 20.Re1 Rd3 (20...Rb6 21.Nc2=+) 21.Re3 (21.Qf4 Rc8 22.Nc2 h6=) 21...Rbd8=+ 22.Rd3 Rd3 23.h3 (23.Nc2 Ng4 24.Qe1 Qc7=) 23...h6 (23...Ne4 24.Qf4 Nd6 25.Nc2=+) 24.Nc2 (24.Qb2 Qg5=+) 24...Bc4-/+ 25.Ne3 Qb5 26.Qc4 (26.Nc4 Ne4 27.Ne3 Rc3-/+) 26...Qc4 27.Nc4 Rd7 28.Kh2 (28.Na3 Rb7-/+) 28...Nd5 (28...Ne4 29.f3 Nc5 30.Kg3-/+) 29.Ra6 (29.Ne5 Rc7-/+) 29...f6 (29...Nb4 30.Ra5-/+) 30.Na3 (30.Kg3 Kf8-/+) 30...Nb4 31.Ra4 Nd3 32.f4 h5 (32...Nc5 33.Ra5 Ne6 34.f5-/+) 33.Nb5 a6! 34.Nc3 (34.Ra6 Nf4 Deflection) 34...Rc7 (34...f5 35.Ra5-/+) 35.Nd5 (better 35.Ne4-/+) 35...Rc2 (better 35...Rc5!? 36.Ne3 h4-/+) 36.Ra6= Ne1 37.Ne3 Re2 38.Ra3 Nf3 39.Kg3 Nd4 40.h4 (40.Rd3 Re3 41.Re3 Nf5 42.Kf3 Ne3 43.Ke3 f5=) 40...Re3 (40...Kf7 41.Rd3=) 41.Re3 Nf5 42.Kf2 (42.Kf3 Ne3 43.Ke3 f5=) 42...Ne3 43.Ke3 Kf7 44.Kd4 Ke6 45.Ke4 f5 46.Kd4 Kd6 47.Kc4 Kc6 48.Kd4 Kd6 ½–½. Shirazi,Kamran (2425) – Fantinel,Thibault (2205), Belfort FRA, Men Ch Accesion, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.d4 ed4)

    8.Be2 Qb6 9.Nd4 Bc5 10.Be3 Nf6 11.ab4 Bb4 12.Nd2 0-0 13.0-0 a5 14.Nc2 Bc5 15.Rb1 Qc7 16.Nd4 Na6 (16...Rd8 17.N2b3 Bd6 18.Kh1-/+) 17.N2b3 Bb4 18.Nc2 (18.Nb5!? Qe7 19.Ra1-/+) 18...Rd8-+ 19.Qc1 Bf5 (19...Bd6 20.h3-+) 20.Nb4 Nb4 (20...ab4?! 21.Rb2=+) 21.Ra1 Nc2 22.Bf4? (better 22.Ra4-+) 22...Qe7 23.Bf3 Na1 24.Qa1 Be4 25.Re1 (25.Nd2 Bf3 26.Nf3 a4-+) 25...Qb4 Black plans a4 26.Nd2 Bf3 (26...Rd2?! 27.Bd2 Qd2 28.Be4 Ne4 29.Re4-/+) 27.Nf3 Qc4 28.Bg5 Qa6 29.h3 a4 30.Qa3 b5 31.Rb1 Rdb8 32.Rb4 (32.Bf4 Rb7-+) 32...h6 (better 32...Nd5!? 33.Rg4-+) 33.Bd2 Qd6 34.Qa2 (34.Bf4 Qd1 35.Kh2 Rb6-+) 34...a3 35.Rd4 Qe6 36.Qa1 a2 37.Bc3 Rd8 38.Rb4 (38.Qd1 Rd4 39.Bd4 Qe4-+) 38...Qe2 (better 38...Nd5 39.Rb3 Nf4 40.Rb2 Rd1 41.Qd1-+) 39.Nd4 Qd3 40.Kh2 (40.Bb2 Qb1 41.Kh2 Nd5 42.Rb5 Rdb8-+) 40...Qc3! 41.Qc3 a1Q 42.Qc5 (42.Nb5 Qf1 43.Qc2 Ra1-+) 42...Qa7 (better 42...Ne4 43.Qb6 Nd2 44.Qc5-+) 43.Qc6 (43.Qa7 Ra7 44.Nc6-+) 43...Qb8 (43...Nd5!? 44.Rb5 Qd4 45.Qc2 Qe5 46.g3-+) 44.g3 Qd6 (better 44...Qa7 45.Kg2 Rac8 46.Qb5 Rd4 47.Qb7 Qb7 48.Rb7-+) 45.Qc3 (45.Qd6 Rd6 46.g4 Rd5-+) 45...Rac8 (better 45...Nd5 46.Nf5 Nc3 47.Nd6 Rd6 48.Rb3-+) 46.Qb2 Rc4 47.Rc4 bc4 48.Nb5 (48.Nf3 Ne4 49.Qc2 Qd3-+) 48...Qc5 (better 48...Qb6 49.Qe2 Qb5 50.Qc2-+) 49.Nc3 Qd4 50.Qb4 (50.Qc2-+) 50...Qf2 51.Kh1 Qe1 (51...Qf1 52.Kh2 Rd2 53.Ne2 Re2) 52.Kg2 Rd2 53.Kf3 (53.Ne2 Qe2 54.Kg1 Qd1) 53...Rd3 (53...Qf2) 54.Kg2 Rg3 55.Kh2 Qg1 0-1. Shirazi,K (2355) - Mathieu,Phileas (2210), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4)

    8.Be2 Bc5 9.0-0 Nf6 10.ab4 Bb4 11.Qa4 Nc6 12.Nd4 Qd6 13.Nc6 bc6 14.Rd1 Qb8 15.Bf3 Bd7? 16.Bc6 Bc6+/- 17.Qc6 Kf8 18.Bf4! Qe8 19.Bd6 Bd6 20.Qd6 Qe7 21.Qc6 Re8 22.Nc3 h5 23.Kf1 Rh6 24.Re1 Qd8 25.Qc5 Kg8 26.Re8 Ne8 27.Qa7 Qd3 28.Ne2 Qc4 ½–½. Strater,Heinz (2060) – Heigerer,Stefan (1955), Neumarkt am Wallersee AUT, 2011.

    8.Be2 d3 9.Qd3 Nf6 10.0-0 Nc6 11.Re1 Be7 12.ab4 Nb4 13.Qd2 0-0 14.Bf1?? Qd6 15.Re7+= Qe7 16.Ba3 Rd8 17.Qb2 Rd1 18.Bb4 Qd8 19.Qc2 Rd7 20.Nc3 b6 21.Nb5 Bb7 22.Ne5+- Be4 23.Qc1 Rb7 24.Nd6 Re7 25.Ne4 Re5 26.Nf6 gf6 27.Bc3 Re6 28.Qf4 Qd6 29.Qg4 Kf8 30.Rd1 Qa3 31.Qh3 Ke8 32.Rd3 Qc5 33.Qh7 Ke7 34.Rd5 Qa3 35.Qh3 (35.Qh3 Qa4 36.Bb2+-) 1–0. Shirazi,K (2400) – Tregubov,P (2625), Rapid, Livry–Gargan FRA, 2009.

    8.Be2 Nc6

    9.0-0 ba3 10.Ba3 (10.Na3!? Ba3 11.Ra3=) 10...Ba3 (10...Qf6 11.Bb2 Be6 12.Nbd2=+) 11.Na3 Nf6 12.Nb5 The pressure on the isolated pawn grows 12...Qd7 13.Qc2 0-0 14.Rfd1 Qf5 15.Bd3 (15.Qb2!?=+) 15...Qc5-/+ 16.Nbd4 Nb4 (16...Nd4 17.Nd4 Bg4 18.Rd2-/+) 17.Qb3 (17.Qc3 Re8-/+) 17...Nd3 (17...Re8 18.Qc3-/+) 18.Qd3 Bg4 (18...Re8 19.Nb5=+) 19.h3=+ Bh5 20.Re1 (20.Qb3 b6-/+) 20...Bg6-/+ 21.Qb3 Be4 22.Re3 (22.Qb5 Qc7-/+) 22...Rfd8 23.Qc3 Rac8 24.Rc1 (24.Qb2 Qc4 25.Ra7 Qc1 26.Qc1 Rc1 27.Kh2 Rc4-/+) 24...h6 25.Nb3 Qb6 26.Rce1?? White prepares the advance c5 (better 26.c5 Qc7 27.Qa1-/+) 26...Nd5!-+ 27.c5 (27.cd5 Rc3 Pinning (27...Rc3 Deflection)) 27...Qc7 (27...Qg6!? 28.Nh4 Qc6 29.Qa1 Ne3 30.Re3-+) 28.Qd4 Ne3 29.Qe4 Re8?? (better 29...Nd5-+) 30.Qa4= b5 31.Qb5 (31.cb6 Qc4 32.Ra1 ab6 33.fe3 Re3=) 31...Rb8?? (better 31...Qb8 32.Qb8 Rb8-/+) 32.Qa4+= Red8? (32...Qb7 33.Nbd4 Qd5 34.fe3 Qc5 35.Re2+=) 33.fe3?? (better 33.Re3 Rd1 34.Ne1+-) 33...Rd3+= 34.Nc1 Rc3 35.Nd4 (35.Qe4!? Qc5 36.Nd3=) 35...Qc5= 36.Ncb3 Qe7 Exerts pressure on the isolated pawn (36...Rcb3!? 37.Nb3 Qc2=+) 37.Nf5= Qe5 38.Nbd4 a5 39.Qd7 (39.Rf1 Rbc8+=) 39...Qe4 (better 39...Rc7!? 40.Qd6 Qd6 41.Nd6 Rb2=) 40.Nd6+- Qd5 41.N4f5 (41.Rf1 Rb2 42.Qf7 Qf7 43.Rf7 Re3+-) 41...Qa2? (better 41...Kh7!? 42.Qa4 Rd3+=) 42.Rf1+- Rc2?? (better 42...Qe6 43.Qa7 Rcb3+-) 43.Ne7+- Kh7 44.Qf5 g6 45.Qf7 Qf7 46.Rf7 (46.Nf7 Rbb2 47.Kh1 Rg2-+) 46...Kh8 47.Ng6 Kg8 48.Ne7 Kh8 49.Ndf5 Rb6 50.Rg7 Rc5 (50...a4 51.Ng6 Rg6 52.Rg6+-) 51.e4 Re5 (51...a4 52.Ng6 Rg6 53.Rg6+-) 52.Ng6 Rg6 53.Rg6 Kh7 (53...Re4 54.Rh6 Kg8 55.Rg6 Kh8 56.Ra6+-) 54.Rh6 (54.Rh6 Kg8 55.Ra6+-) 1–0. Strater,Heinz (1940) – Widowitz,Manfred (2055), 35th Internationales Jacques Lemans, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.d4 ed4)

    9.0-0 Bc5 10.ab4 Bb4 11.Na3 Nf6 12.Nb5 Qd7 13.Bf4 0-0 14.Bd3 b6 15.Ne5 Ne5 16.Be5 Bb7 17.f4 a6 18.Nc7 Qc6 19.Rf3 Rac8-+ 20.Nd5 Nd5 21.cd5 Qd5 22.Rg3 f6 23.Qh5 Rf7 24.Qh7 Kf8 25.Qh8?! Ke7 26.Qh4 Rc6 27.Rd1? g5-+ 28.fg5 Qe5 29.g6 Rg7 30.Qh8 f5 31.Bf5 Rd6 32.Rg4 Rd8 33.Qh4 Qf6 34.Qf2 Bc5 35.Re1=+ Kf8 36.Qh4?? Qh4 37.Rh4 d3 38.Kf1 d2 39.Rd1 a5 40.Rf4 Be3 41.Rd2 Rd2 (41...Rd2 42.Rc4 Ba6-+) 0–1. Reinke,Markus (2245) – Borngaesser,Rene (2355), Duesseldorf (4), 1995.

    9.0-0 Bc5 10.Re1 Nge7-/+ 11.Bd3 Qd6 12.Nbd2 f5 13.Nb3 b6 14.ab4 Bb4 15.Re2 0-0 16.Bb2 Ng6 17.Nfd4 Nf4 18.Re3 Nd3 19.Rd3 Ne5-+ 20.Rg3 f4 21.c5 Qf6 22.Rg7 Kg7 23.Qe2 f3 24.gf3 Bh3 25.Kh1 Kf7 26.f4 Qg6 27.Rg1 Qg1! 28.Kg1 Rg8 29.Kh1 Bg2 30.Kg1 Nf3 (30...Nf3 31.Nf3 Bf3 32.Kf1 Be2 33.Ke2 bc5-+) 0–1. Reinke,Markus (2290) – Roeder,Mathias (2425), NRW–Liga I, 1995.

    9.0-0 Be7 10.ab4 Bb4 11.Na3 Nge7 12.Nb5=+ The pressure on the isolated pawn grows 12...Qd7 (12...0-0 13.Nc7 Qd6 14.Na8=+) 13.Bb2 Increasing the pressure on the isolated pawn on d4 (13.Bf4 0-0 14.Nc7 Ng6=+) 13...0-0=+ 14.Nfd4 Nd4 15.Bd4 a7 draws heavy fire 15...a5 (15...Nc6 16.Ba7 Qe7 17.Be3=) 16.Qb3 (16.Qc2 Nc6 17.Bb6 Qe7=) 16...Nc6 17.Bb6 Qe7 18.Bf3 (18.Bd3 Ra6 19.c5 Be6=+) 18...Be6 (18...Ra6 19.Be3-/+) 19.Bd5 Rac8 (19...Ra6 20.Be3-/+) 20.Rfd1 (20.Qg3 h5=+) 20...Bg4 21.Rd3 (21.f3!? Be6 22.Qe3=+) 21...Qf6-/+ 22.Rb1 (22.Qa4!?-/+) 22...Bf5-+ 23.Rf3 Ne5 24.Rf4 g5 (24...Qb6?! 25.Rf5 Rfe8 26.Rf4-/+) 25.Qg3?? (better 25.Rf5 Qf5 26.Rd1-+) 25...Qg6 (25...Qb6? 26.Rf5 Ng6 27.Qg5+-) 26.Rf5 (26.Rb4 ab4 (26...gf4?! 27.Qg6 hg6 28.Ra4-+) 27.Rd4 Rce8-+ (27...Qb6?! 28.Qe5 Ra8 29.Rd1-+)) 26...Qf5 27.Rf1 (27.Rd1 Nc4 28.Bc4 Rc4-+) 27...Nc4 28.Bc4 Rc4 29.Nd4 (29.Nd6 Bd6 30.Qd6 Re8-+) 29...Qf6 30.Qd3 (30.Ba7 Rfc8 31.Nf3 Bd6-+) 30...Rfc8 31.Ba7 Rc1 (31...b6 32.Nf5 R4c7 33.Qh3-+) 32.g4 (32.Qf5 Rf1 33.Kf1 Qa6 34.Nb5 Rc5 35.Bc5 Qb5 36.Kg1 Qc5-+) 32...Rf1 33.Kf1 (33.Qf1 Qf4 34.Ne2 Qg4 35.Ng3 Qf3-+) 33...Rd8 (better 33...Ra8!? 34.Nb5 Ra7 35.Na7-+) 34.Qe3 Qf4 35.Qd3 (35.Nf5-+) 35…Bc5! (35...Bc5 36.Bc5 Qc1 37.Kg2 Qc5-+) 0–1. Schachinger,Mario (2420) – Wertjanz,David (2280), AUT Ch, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.d4 ed4)

    9.0-0 Nf6 10.Re1 Be7 11.Bd3 Qd7 (11...Qd6 12.ab4 Nb4 13.Ba3=+) 12.ab4= Nb4 13.Ne5 (better 13.Ba3!? Nc6 14.Ne5 Ne5 15.Re5=) 13...Qc7-/+ 14.Qa4 Kf8 15.Ba3 Nd3 (15...a5 16.Nd2-/+) 16.Nd3 (16.Be7 Ke7 17.Qa3 Nc5 18.Ng6 Kd8 19.Nh8 Be6-+) 16...Be6-/+ 17.Be7 Qe7 18.Na3 (18.c5=+) 18...g6 (better 18...a6!?-/+) 19.Nb5= Rd8 (better 19...Kg7 20.Nd4 Rhd8=) 20.Qa7+/- (20.Na7?! Kg7=) 20...Kg7 21.Nd4 Rd6 (21...Ra8 22.Ne6 fe6 23.Qc5 Qc5 24.Nc5 Ra1 25.Ne6 Kh6 26.Ra1+/-) 22.Nf4 (22.Nc5!? Re8 23.Nde6 fe6 24.Qb7 Qb7 25.Nb7 Rc6+-) 22...Rhd8 23.Nde6 fe6 24.Qe3 Kf7 25.h3 (25.c5 Rc6 26.Ra5 Nd5+=) 25...g5 26.Ne2 h6 27.Rab1 (27.Ng3 Qc7 28.c5 Rc6+/-) 27...R8d7 28.Ng3 Rd3 29.Qe2 R3d4 30.Nh5 (30.Rb6 R4d6 31.c5 Rb6 32.cb6 Qd6+=) 30...Re4+= 31.Qf3 Re1 (31...Rc4 32.Rb6 Rc6 33.Rc6 bc6 34.Nf6 Qf6 35.Qc6+=) 32.Re1+/- Kg6 33.Nf6 Qf6 34.Qe4 Kg7 35.Qe6 Qe6 36.Re6 Rc7 37.Rb6 Rc4 38.Rb7 Kg6 39.Rb6 Kg7 40.g3 Rc3 41.Kg2 Rc4 42.Rd6 Rb4 43.Kf3 Rc4 44.Re6 Rb4 45.Re4 Rb3 46.Kg4 Rb2 47.f3 Kf6 (47...Rg2 48.Rd4+/-) 48.Rc4 Rb3 49.Rc6 Kg7 50.f4 gf4 (50...Rb5 51.f5 Rb4 52.Kh5+-) 51.gf4 Rb5 52.h4 (better 52.f5!?+-) 52...h5+= 53.Kf3 Kf7 (53...Rb3 54.Ke4+=) 54.Rc4 (54.Ke4 Rb4 55.Ke5 Rb5 56.Kd4 Rb1+/-) 54...Kf6 (54...Rb3!? 55.Ke4 Rh3+=) 55.Ke4+/- Rb1 56.Rc6 Kf7 57.Rc5 Kg6 58.Rg5 White intends f5 (58.f5 Kf6 59.Rc6 Kf7+/-) 58...Kh6+= 59.f5 Rb8?? (better 59...Rb4!? 60.Ke5 Rh4+=) 60.f6?? (better 60.Rg6 Kh7 61.Kf4+-) 60...Rb1 61.f7 (61.Rf5 Rb4 62.Ke5 Rb5 63.Ke6 Rb6 64.Ke7 Rb7 65.Kd6+=) 61...Re1?? (better 61...Rf1=) 62.Kf5+- Kh7 63.Kf6 Rf1 64.Ke7 Re1 65.Kf6 (65.Kf8!? Ra1 66.Rh5 Kg6 67.Rg5 Kh7 68.Rg7 Kh8 69.Rg8 Kh7+-) 65...Rf1 66.Rf5 (better 66.Ke6 Re1 67.Kd7 Rd1 68.Ke8 Re1 69.Kf8+-) 66...Rf5= 67.Kf5 Kg7 68.Ke6 Kf8 69.Kf6 ½-½. Williams,Si1 (2460) - Klekowski,M (2510), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4)

    9.0-0 Nf6 10.Re1 Be7 11.Bf1 Qd6 12.ab4 Qb4 13.Ba3 Qb6 14.Nd4 0-0 (14...Nd4? 15.Re7 (15.Be7?! Be6 16.c5 Qb2 17.Bf6 gf6+/-) 15...Kd8 16.c5+- (16.Rf7?! Bg4 17.Qd2 Kc8+/-); 14...Qd4?! 15.Re7 Kd8 16.Qd4 Nd4 17.Nc3+/-) 15.Be7 Ne7 (worse is 15...Qd4 16.Qd4 Nd4 17.Rd1+=) 16.Re7 Rd8 17.Nc3 Rd4 18.Qf3 Qd8 19.Qe3 Be6 20.Rb7 a5 (20...Bc4? A) 21.Raa7?! Rc8 22.Rc7 Be6+/- (22...Rc7?? 23.Qd4 Rd7 24.Rd7 Qd7 25.Qd7 Nd7 26.Bc4+-); B) 21.Rba7?! Rc8 22.R1a4 Ng4=; C) 21.Ra4 Rd3 22.Bd3 Bd3 23.Raa7+-) 21.Rb5 (21.Ra5! Rc8 22.Ra4+/-) 21...Bc4 22.Ra4 (22.Rba5 Ra5 23.Ra5 Rd6=) 22...Rc8 (22...Bb5!? 23.Rd4 Bd7+=) 23.Rc4= (worse is 23.Rba5 Ng4 24.Qe1 Bf1 25.Rd4 Qd4-/+) 23...Rcc4 24.Bc4 Rc4 25.Qd3 Rc8 (25...Qd3?? 26.Rb8 Rc8 27.Rc8 Qd8 28.Rd8 Ne8 29.Re8) 26.Qd8 Rd8 27.Ra5 g6 ½–½. Shirazi,Kamran G (2385) – Horvath,Jozsef (2525), FRA–chT2B, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.c4 Qe6 7.d4 ed4)

    9.0-0 Nf6 10.Re1 Be7 11.Bf1 Qd6 12.ab4 Nb4 13.Ba3 Be6 14.Qa4 Kf8 15.Nbd2 Bd7 16.Qd1 a5 17.Nb3 b6 18.Nbd4 Rd8 19.Qb3 Qc7 20.Nb5 Bb5 21.cb5 Bc5 22.Bc4 Ng4 23.Re2 h5 24.h3 Nf2 25.Rf2 Rh6 26.Raf1 Rf6 27.Kh1 Bf2 28.Rf2 Rf4 29.Bd5 Qc5 30.Rd2 Rf5 31.Bc4 Rd2 32.Nd2 Re5 33.Qg3 Re3 34.Qb8 Re8 35.Qf4 Re1 36.Nf1 f6 37.Qd2 Re4 38.Bb3 1–0. Vorobiev,Alexander (2025) – Todorova,Maria, IECG, 2009.

    6.Bd3 Bg4

    7.0-0 Bf3 8.gf3 Qd4 9.Ra2 Nf6 10.Bb2 Qd5 11.Ra1 Nc6 12.Re1 Kd8 13.Be4 Ne4 14.fe4 Qe6 15.Qf3 Bc5 16.Kh1 Qf6 17.Qd3 Ke8 18.f3 (18.Rf1 Rd8 (18...Bf2 19.Qe2+-) 19.Qg3 ba3 20.Ba3 Bd4-+) 18...Rd8-+ 19.Qf1 a6 20.Rd1 ba3 21.Na3 Nd4 22.Bd4 Rd4 23.Nb1 Rd7 24.Nc3 Bd4 25.Nd5 Rd5 26.ed5 Ba1 27.Ra1 Ke7 28.Qe2 Rc8 29.Qe4 Kd8 30.c4 Rc7 31.d3 h6 32.Re1 g6 33.Qe2 Qf4 ½–½. Williams,Barry – Pfahlert,Denis, NZCCA Handicap NZL, 2005.

    7.0-0 Bf3 8.Qf3 Qf3 9.gf3 Nc6 10.Re1 0-0-0 11.Bb2 f6 12.Re4 Kb8 13.Rg4 b3! 14.Be4 (14.cb3 Nd4) 14...f5! 15.Bc6 (15.Bf5 Nh6) 15...fg4 (15...bc6?! 16.Be5 Kb7 17.Rc4=) 16.Be5 Bd6 17.Bd6 Rd6 18.Be4 bc2 19.Bc2 gf3 20.Be4 Nf6 21.Bf3 Rc8 22.Nc3 Rd2 23.Ne4 Ne4 24.Be4 Rf8 25.f3 g5 26.Rb1 b6 27.Rc1 h6 28.h3 Ra2 0–1. Williams,Barry M – Weston,Roderick J, New Zealand TT reserves, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Qe2 Nc6 8.Be4=+ Qe6 9.Bc6 bc6 10.Qe5 Bf3 11.Qe6 fe6 12.gf3 c5 13.d3 a5 14.Bb2 Ne7 15.a4 (15.Nd2 Nc6=+) 15...Nf5-/+ 16.Nd2 Bd6 17.0-0-0 Bf4 18.Kb1 (18.Rhe1 0-0 19.Re6 Bh2=+) 18...Bd2 19.Rd2 Kd7 20.h4 Rhf8 21.Re2 g6 22.Rh3 Rac8 23.Re1 Ne7 24.h5 g5 25.h6 Rf5 26.Rg3 Rg8 27.Bg7 Nc8 28.Re5 Re5 29.Be5 Nb6 30.Rg4 Rg6 (30...Na4?! 31.f4 Kc6 32.Rg5=) 31.Bg7 e5 ½–½. Williams,Barry – Bruning,O, corr ICCF TT/15/01/1, 2001.

    7.Qe2 Bf3 8.gf3 a6 9.ab4 Bb4 10.Bb2 f6 11.Rg1 g5 (11...Kf8 12.Be4 Qd7 13.f4 ef4 14.Qf3=) 12.Bb5 (12.f4 Nc6+/-) 12...Nc6 (12...Kd8 13.h4=) 13.Rg4 (13.f4!? Rc8 14.Ba4+/-) 13...Be7 14.Nc3 Qd6 15.Ne4 Qc7 16.Ng5 Qc8 (16...fg5? 17.Be5 Qc8 18.Bc6 Qc6 19.Bh8+-) 17.Bc6 Qc6 (17...bc6 18.Rga4 Rb8 19.Bc3+/-) 18.Rc4 Qb6 19.Bc3 fg5 20.Qe5 Nf6 21.Bb4 0-0 22.Be7 (22.Qe7?? Rfe8 23.0-0-0 Re7 24.Be7 Qe6 25.Bf6 Qc4 26.Bg5 Qd4-+) 22...Rae8 23.Rb4?? (better is 23.0-0-0 h6 24.Qd6 Qd6 25.Bd6=) 23...Qb4!!-+ 24.Qe6 (24.Bb4 Re5) 24...Rf7 25.Bb4 Re6 (25...Re6 26.Kf1 Nd5-+) 0–1. Williams,Barry M – Putt,Garry, New Zealand TT reserves, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Qe2 Bf3 8.gf3 Qd4 9.Bb5 Nc6 10.c3 bc3 11.dc3 Qd6 12.Nd2 0-0-0 13.Ne4 Qg6 14.Ng3 Nge7 15.0-0 h5 16.Kh1 f5 17.Rg1 Qf6 18.Qc4 Kb8 19.Bc6 Nc6 (19...bc6 20.Rb1 Kc8 21.Qa6 Kd7 22.Rd1 Ke8 23.Rd8 Kd8 24.Rb8 Kd7 25.Qd3 Ke6 26.Qc4 Kd6 27.h4+-; 19...Qc6?! 20.Qc6 bc6 21.Bg5-/+) 20.Rb1 h4 21.Nf1 Rh5 22.f4 e4 23.Be3 Rh7 (23...Ba3 24.Qa6 Rd7 25.Qa3+/-) 24.Qg8 Rh6 25.Qb3 Rd7 26.h3 Be7 27.Nd2 Rg6 28.Nc4 Rg1 29.Kg1 Bd8 30.Qb5 a6 31.Qb3 g6 32.Kh2 Ka8 33.a4 Na5 34.Na5 Ba5 35.Bd4 Qd6 36.Be5 Qd2 37.Bd4 Qf4 38.Kg1 Qd6 39.Qc4 Bc7 40.Rb6 Qh2 41.Kf1 Qh3 42.Ke1 Rd4 43.Ra6 ba6 44.Qa6 Kb8 45.Qb5 Ka7 46.Qc5 Bb6 47.Qe7 Ka6 (47...Ka6 48.cd4 Ba5 49.Kd1 Qd3 50.Kc1 Bd2 51.Kb2 Bc3 52.Kb3 Bd4 53.Ka2 Qc2 54.Ka3 Qb2) 0–1. Williams,Barry M – Hoskyn,Gordon A, NZCCA HT corr New Zealand, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    7.Qe2 Bf3 8.gf3 Nf6 9.Bb2 Nc6 10.Bc4 Qd7 (10...Qd6 11.ab4 Nd7 12.b5=) 11.ab4 Bb4 12.c3? 0-0-0 13.fe5=) 12...Be7 (12...Bd6 13.Rg1 Nh5 14.Rg4-+) 13.Bb5 Nh5 (13...0-0 14.Rg1-+) 14.Ba3? (better is 14.Bc6 Qc6 15.Qe5 Qf3 16.Rg1-/+) 14...Ba3 15.Na3 0-0 16.Rg1 (16.Qd3 Qh3-+) 16...Nf4 17.Qe4 (17.Qe3 Rfd8-+) 17...f5 (17...Rfd8 18.Nc4 Nd3 19.Ke2 Nf4 20.Kd1-+) 18.Qc4? (18.Qe3 Rfc8-+) 18...Kh8 19.0-0-0 (19.Qb3 a6 20.Bf1 e4-+) 19...a6 20.Bc6 bc6 21.d4 Qe7 22.Nc2 ed4 23.Rge1? Qg5 24.Rd2 dc3 25.Qc3 Nd5 26.Qc6 Nb4!! 27.Qd6 Nc2 28.Kc2 Rad8 29.f4 Qh4 30.Qb4 Rc8 31.Kd1 Qh2 32.Re7 Qh5 33.Ke1 Rc1 (33...Rc1 34.Rd1 Qd1) 0–1. Wellington,Francisco (2000) – Sampaio,Wellington (2065), BRA–ch Etapa 9th, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5)

    5.Nf3 e6

    6.a4 Nf6 7.Bb2 Nc6 8.Be2 Be7 9.0-0 0-0 10.c4 bc3! 11.Nc3 (11.Nc3 Qd8 Combination; 11.Bc3 Bd7 Combination; 11.dc3 e5 Combination) 11...Qa5 12.Nb5 Nd5 13.Bc4 Rd8 14.Re1 Bf6 15.Ne5 (15.Qb1!?-/+) 15...Ne5-+ 16.Be5 Be5 17.Re5 Nf6 (better is 17...Nb6!? 18.Re4 Qd2-+) 18.d4-/+ a6 19.Na3 Qc3 20.Re3 Qa5 (20...Qd4? 21.Rd3 Qd7 22.Rd7 Bd7 23.a5+-) 21.h3 (21.Re5 Qb4 22.Rc5-/+) 21...Bd7-+ 22.Bb3 Bc6 23.Nc4 Qd5 24.Rg3 Qd4 25.Qe1 Ne4 26.Re3 Nc5 27.Rd1 Qh4 28.Nb6 Rd1 29.Bd1 Rd8 30.Bc2 Nd7 (30...Na4 31.Na4 Qf4 32.Nc5=) 31.a5 Nb6 32.ab6 g6 33.Bb3 Rd6 34.Qa5 h6 35.Rg3 Qe4 36.Qa1 Qd4 37.Qa5 Be8 38.Qh5 Rb6 (38...Qb6?! 39.Qh6 Qd4 40.Qc1-+) 39.Bc2 (39.Qe2-+) 39...Rb2 40.Qh6 (40.Bg6 fg6 41.Qh6 Rf2 42.Kh2-+) 40...Rc2 41.Rg4 Qf2 (41...Qf2 42.Kh2 Bc6-+) 0–1. Gyuricza,Gyorgy Laszlo – Biava,Mario Silas, TBI–C–III–F corr CXEB, 1980. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.ed5 Qd5)

    6.Bb2 Nc6 7.Bd3 Nf6 8.0-0 Be7 9.Qe2 0-0 10.c4 bc3 11.Nc3 Nd4 12.Nd4 Qd4 13.Nb5 Qd8 14.Be5 Bd7 15.Bc7 Qc8 16.Rac1 (16.Be5 Bb5 17.Bb5 Qd8-/+) 16...Bc6 17.Be5 Qd7 18.Nd4 Rfd8 19.Rc3 g6 20.Bc4 Nd5 21.Nc6 Qc6 22.Rh3 Bd6 23.Bd5 ed5 24.Ba1 Re8 25.Qg4 Be5 26.Be5 Re5 27.Qf4 Qc7 28.Qh6 (28.Re3!? Re7 29.Qd4+=) 28...f5-/+ 29.Rc3 Qe7 30.h4 Re4 31.g3 Qf8 32.Qg5 Rae8 33.f3 Rc4 34.Rc4 dc4 35.h5 Qe7 36.Qf4 b5 37.a4 Qc5 38.Kg2 b4 39.hg6 hg6 40.Qh6 Re2-+ 41.Kh3 Qd6 42.Rc1 Qe6 43.Qf4+= c3 44.dc3 Qa2 45.Qb8 Kg7 46.Qc7 Kh6 47.Qf4 Kg7 48.Qc7 Kf6 49.Qd6 Kf7 50.Qd7 Re7 51.Qd4 Qe2 52.Qd5 Kg7 53.cb4+/- Qe3 54.Qc4 Qf3= 55.Qc3 Qc3 56.Rc3 Kf6 ½–½. Grekh,Andrey (2240) – Filonenko,Kirill, Evpatoria U18 4th, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.Bb2 Nc6 7.Be2 e5 8.0-0 Nf6 9.ab4 Bb4 10.c4 Qd6 11.Na3 0-0 12.Nb5 Qb8 13.d4 e4 14.Ne5 a6 15.Qa4 Bf5 (better 15...Be7!?-/+) 16.Nc6= bc6 17.Qb4 ab5 18.cb5 Nd5 19.Qc5 Nf4 20.Qf5 (20.Bc4 Ra1 21.Ba1 cb5 22.Bb5 Be6=+) 20...Ne2=+ 21.Kh1 Ra1 (21...Qb5 22.Qb5 cb5-/+) 22.Ba1? (better 22.Ra1 Qb5 23.Qb5 cb5 24.Re1-/+) 22...Qb5-+ (22...cb5?! 23.d5 Qc8 24.Qe5=) 23.Qb5 cb5 24.Re1 Ra8 25.g3 b4 (25...Ra2 26.d5-+) 26.Re2 (26.Bb2!? Nc3 27.Bc3 bc3 28.Re4-/+) 26...Ra1-+ 27.Kg2 f5 28.Rb2 Ra4 29.f3 ef3 30.Kf3 Kf7 31.Ke3 Ke6 32.Rb3?? (32.Kd3 Kd5-+) 32...Kd5 (32...Ra3 33.Rd3 Rd3 34.Kd3 g5-+) 33.Kd3?? (33.Rb2 g5-+) 33...g6 (better 33...Ra3 34.Kc2 Rb3 35.Kb3 Kd4 36.Kb4-+) 34.h3?? (34.Rb2 Ra3 35.Ke2 Kc4-+ (35...Kd4?! 36.Rb4 Kc5 37.Rb2-/+)) 34...h6 (34...Ra3 35.Kc2 Rb3 36.Kb3 Kd4 37.Kb4-+) 35.g4 (35.Kc2 g5-+ (worse 35...Kd4 36.h4-+)) 35...f4 (better 35...Ra3 36.Kc2 Rb3 37.Kb3 f4-+) 36.Kc2 Kd4 37.Rf3 (37.Rd3 Kc5 38.Rd8 Ra2 39.Kd3 f3 40.Rc8 Kb5 41.Rb8 Ka4 42.Ra8 Kb3-+) 37...g5 38.h4 (38.Rf1 Ra3-+) 38...Kc4 (38...Ra2!? 39.Kb1 Rg2 40.hg5 hg5 41.Rb3-+) 39.hg5 hg5 40.Rh3 b3! 41.Kb2 (41.Rb3) 41...Ra2 42.Kb1 Rg2 43.Rh8 (43.Rh1 Rg4 44.Rf1 Rg2-+) 43...Rg4 44.Rc8 Kb4 45.Rb8 Kc3 46.Rc8 Kd4 47.Kb2 Rg3 48.Rd8 Ke4 49.Re8 Kf5 50.Rf8 Kg4 51.Rf7 f3 52.Kb3 (52.Rf6-+) 52...f2 53.Kc2 Rf3 54.Ra7 f1Q 55.Ra4 Rf4 (55...Kh5 56.Re4 Qd3 57.Kc1 Rf1 58.Re1 Re1 59.Kb2 Re2 60.Kc1 Qc2) 56.Ra3 (56.Rf4 gf4 57.Kb3 Qb5 58.Ka2 f3 59.Ka3 f2 60.Ka2 Qc4 61.Kb2 f1Q 62.Ka3 Qfc1) 56...Qe2 57.Kb3 Rf3 (57...Qd3 58.Kb2 Rf2 59.Kc1 Qc2) 58.Kb4 Qe4 59.Kb5 (59.Kc5 Rf5 60.Kd6 Qd5 61.Kc7 Rf7 62.Kb6 Rb7 63.Ka6 Qb5) 59...Ra3 (59...Rf5 60.Kb6 Qe6 61.Kc7 Rf7 62.Kd8 Qd7) 60.Kc5 Qe5 (60...Rc3 61.Kb5 Qe2 62.Ka4 Qb2 63.Ka5 Ra3) 61.Kc4 (61.Kb6 Rc3 62.Ka6 Rb3 63.Ka7 Qa5) 61...Ra4 (61...Rc3 62.Kb4 Qc5 63.Ka4 Ra3) 62.Kb3 Rf4 (62...Qb5 63.Kc2 Qc4 64.Kd1 Ra2 65.Ke1 Qe2) 63.Kc2 Qe3 64.Kd1 Rf2 (64...Rf1 65.Kc2 Rf2 66.Kd1 Qd2) ½-½. Mukhina,Jana (2065) - Zakirova,Aisha, Women's Speed Chess Q1, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.c4 bc3 7.Nc3 Qa5 8.Be2 Nf6-/+ 9.0-0 Nc6 10.Bb2 Be7 11.Qc2 0-0 12.Nd1 Qc5 13.Bc3 Rd8 14.Qb2 b6 15.Rc1 Qd6 16.Bb5 Bb7 17.Bc6 Qc6 18.Bb4 Qe8 19.Ne5 Bb4 20.ab4 Rac8 21.Ne3 Qb5 22.N5c4 Nd5 23.Nd5 Qd5 24.Ne3 Qd6 25.Nc4 Qf4 26.Ne3 h6 27.Ra1 a6-+ 28.Rfc1 b5 29.Rc3 Qd6 30.Rac1-/+ Rc3 31.dc3 Be4 32.Qa1 Rc8 33.Rd1 Qc6 34.Rc1 Bd3 35.h3 e5 36.Qa3 Rd8 37.Rd1 Rd6 38.Qb2 Qd7 39.Qd2 Qe6 40.f3 f5 41.Nc2 Qc4 42.Ne3 Qf4 43.Kf2 e4-+ 44.Nc2 Qh4 45.Kg1 Rg6 46.Kh1 Bc2-+ 47.Qc2 ef3 48.Qf5 fg2 49.Kg1 Qg3 50.Rd8?? Kh7 51.Re8 Qd6 52.Re1 Qd2 53.Qe5 Qd3 54.Qe3 Qc4 55.Qf3 Rg5 56.Qe4 Qe4-+ 57.Re4 Rg3 58.Re6 Rc3 59.Ra6 Rb3 60.Kg2 Rb4 61.Rb6 Rb3 62.h4 h5 63.Kf2 g6 64.Ke2 Kh6 65.Kd2 Rb4 66.Kc3 Rh4 67.Rb5 Re4 68.Kd3 Re8 69.Rb2 h4 70.Re2 Re2 71.Ke2 g5 0–1. Vetoshko,Vladimir – Bodrova,Nadezhda, Sunny Pawn Open, Illichevsk UKR, 2006.

    6.c4 bc3 7.Nc3 Qd8 8.d4 Nf6 9.Bb5 Bd7 10.Bd3 Bc6 11.0-0 Nbd7 12.Bg5 Be7 (12...Qa5 13.Bd2-/+) 13.Bc2 (13.Ne5 Ne5 14.de5 Nd7 15.Be7 Qe7-/+) 13...Nd5 (13...Rc8 14.Re1-/+) 14.Ne4 0-0 15.Qd3 g6 16.Bh6 Re8 17.Rfe1 N7f6 (17...Qc7 18.Bg5-/+) 18.Ned2 (18.Ne5 Ne4 19.Qe4 Bd6=+) 18...Ng4 19.Be3 Rc8 20.Bb3 Qa5 21.Nc4 Qa6 22.Qd1 (22.Bg5 Bb5 23.Be7 Bc4 24.Bc4 Qc4 25.Qc4 Rc4-/+) 22...Nc3 23.Qd3 Bd5 (23...Ne4 24.Nfe5 Ne5 25.Ne5 Qd3 26.Nd3-/+) 24.Qc3 Bc4 (worse 24...Rc4 25.Bc4 Qc4 26.Qc4 Bc4 27.Ne5 Ne3 28.fe3+/-; 24...Ne3?! 25.Qe3 Bc4 26.Ne5 Bb3 27.Qb3-/+) 25.Bd1 (25.Bc4 Rc4 26.Qd3 Rec8-/+) 25...b5 26.Qb2 Qb7 27.Nd2 Ne3 28.fe3 Bd5 29.Rb1 (29.Bf3 f5-/+) 29...a6 (29...Qa6 30.Ra1-/+) 30.e4 Bc6 31.Bf3 Red8 32.Nb3 Qa7 33.Kh1 a5 34.Rbd1 b4 35.ab4 Bb4 (worse 35...ab4 36.d5 Bb5 37.e5 ed5 38.Bd5-/+) 36.Rf1 a4 (36...Bb5 37.Rg1-+) 37.d5? (37.Nc1 Bd6 38.Qe2 Rb8-/+) 37...a3 (37...Bb5!? 38.Nd4 Bf1 39.Qb4 ed5 40.ed5-+) 38.Qf6 ed5 39.Nd4 (better 39.Bg4!? Rd6 40.Qf4-+) 39...Ba4 40.ed5 (40.Bg4 Bd1 41.Bc8 Rc8 42.Ne6 fe6 43.Qe6 Kg7 44.Rd1-+) 40...Bc3 (better 40...Be7!? 41.Qe5 Bd1 42.Rd1-+) 41.Rd3 Bb2 42.Bg4 (better 42.Rd2 Rb8 43.d6-/+) 42...a2 43.Bc8 Rc8 44.Nc6 Bf6 45.Na7 Rb8 46.Ra3 (46.Re3 Rb1 47.Ree1 Bc2 48.Rb1 Bb1-+) 46...Rb1 Black plans a1 47.g3 Rf1 48.Kg2 a1Q (48...a1Q 49.Ra1 Ra1-+) 0-1. Lu,Jason (2025) - Sheng,Joshua (2470), North American Junior U20, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.c4 Qd8 7.Bb2= Nf6 8.Be2 Nc6 9.0-0 Be7 10.d4 0-0 11.Qd3 ba3 12.Na3 Nb4 13.Qb3 b6 14.Rad1 a5 15.Ne5 Bb7 16.Bf3 Qc8 17.Rfe1 Re8 18.Nb5 a4 19.Qe3? Bf3?? 20.Qf3= Ra5 21.Ba3 Rb5 22.cb5 Nc2 23.Be7 Ne1 24.Re1 Re7 25.Qa3 Rc7 26.Qa4 Rc1 27.Qb4 Nd5 28.Qd2 Re1 29.Qe1 Qc2 30.Qa1= g6 31.g3 Qc3 32.Qa7 Qc7 33.Qa8 Kg7 34.Nc6 Nc3 35.Qa6 Kf6 36.h4 h5 37.Qa1 Nd5 38.Qa3 Kg7 39.Kh2 Qd7 40.Qa6 ½–½. Chulivska,Vita (2205) – Moskalets,S (2190), ch–UKR gU20, Lviv UKR, 2007.

    6.Bd3 Nf6 7.0-0 Nc6 8.Bb2 Be7 9.Re1 0-0 10.Ne5 b6 11.ab4 Nb4 (11...Bb4? 12.Nc6 Bb7 13.Bf6 Bc6 14.Be4 Qe4 15.Re4 Be4 16.Bg7 Kg7 17.Qg4 Bg6 18.Qb4+-) 12.Nc3 Qd8 13.Qf3 Nd3 14.Nd3 Bd7 15.Re5 Qc7 16.Rg5 Bc6 17.Nb5 Bf3 (17...Qc8 18.Qf4 Ne8+=) 18.Nc7= Rac8 19.Ra7 Ne8 20.Rg3 Bd6 21.Ne8 (worse is 21.gf3 Bg3 (21...Rc7?! 22.Rc7 Bc7 23.Rg4+=; 21...Bc7?! 22.Rg4=) 22.fg3 Rc7-+; 21.Rf3?! Rc7 22.Ra1 Rc4=) 21...Bg3 22.hg3 (22.gf3? Bb8 (22...Rfe8 23.fg3 Rc2 24.Bc3+/-) 23.Rb7 Rfe8-+ (23...Rce8?! 24.Ba3=); 22.fg3?! Rc2 (worse is 22...Rfe8 23.gf3 Rc2 24.Bc3+/-) 23.gf3 Rd2= (worse is 23...Re8 24.Bc3+/-)) 22...Be2 23.Nf4 (23.Bg7? Rfe8 24.Bf6 Bd3 (worse is 24...Rc2 25.Ne5 Rec8 26.Rf7 Rc1 27.Kh2-/+) 25.cd3 b5-+; 23.Ng7?! Rc2 24.Ne6 Bd3 25.Nf8 Rb2+=) 23...Rc2 24.Bc3 (worse is 24.Ne2 Rb2 (worse is 24...Re8 25.Bc3+/-) 25.Re7 Rd2-/+) 24...Rc1 25.Kh2 Re8 26.Ne2 Rb1 27.Rb7 Rb5 28.f3 e5 29.Kg1 f6 30.g4 Kf8 31.Ra7 Re7 32.Ra1 Kf7 33.Ng3 Rb7 34.Ne4 Rd5 35.Bb4 Ke6 36.Ra8 Rdd7 37.Kf2 h6 38.Ke3 Kd5 39.d3 Kc6 40.Re8 Rbc7 41.Re6 Kb5 42.Bd6 Rc2 43.g3 Rb2 44.f4+/- ef4 45.gf4 Rg2 46.Kf3 Rh2 47.f5 Rc2 48.Ke3 Rc1 49.Kd4 Kc6 50.Ke3 Kb5 51.Bg3 Rc2 52.Nd6 Kb4 53.Be1 Kb3 54.Nb5 Rg2 55.Rb6 Rg4 56.Nd4 Ka2 57.Bc3 Rg3 58.Kd2 Rg2 59.Ne2 Ka3 60.d4 Ka4 61.Kd3 Rf2? 62.Rb4 Ka3 63.Rb5 Rf3 64.Kc2 Ra7 65.Rb1 (65.Rb1 Ka4 66.Ra1 Kb5 67.Ra7+-) 1–0. Pirrot,Dieter (2445) – Emunds,Hans Georg (2235), BL2–West, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.Bd3 Nf6 7.Qe2 Nc6 8.Bb2 Be7 9.0-0 0-0 10.ab4 Nb4 11.Nc3 Qd8 12.Ne5 Nd3 13.Nd3 a6 14.Ra4 (14.Qf3 Qc7-/+) 14...Rb8 (14...b5 15.Raa1 Bb7 16.Ba3-/+) 15.Ne5+= Nd7 16.Ne4 f6 17.Nf3 b5 18.Ra2 Nc5 19.Nd4? (better is 19.Nc5 Bc5 20.d4-/+) 19...Qd5-+ 20.Nc5 Qa2 (20...Qc5 21.Ne6 Be6 22.Qe6 Kh8 23.Re1+=; 20...Bc5?! 21.Nb3-+) 21.Nd3 Qc4 22.Qf3 Bb7 23.Qh3 Bc8 24.Qg3?? (24.Qf3 Re8 25.Nc6-+) 24...e5-+ 25.Re1 (25.Rc1-+) 25...Rb7 26.Nb3 Qc2 27.Na5 (27.Na1 Qd2 28.Bc1-+) 27...Rd7 28.Ne5 fe5 29.Qe5 (29.Qb3 Qb3 30.Nb3 Rd3-+) 29...Bf6 30.Qe6 Rdf7 (30...Rdf7 31.Qd5 Qb2-+) 0–1. De Souza,FW (1895) – Magalhaes,Samuel (1920), Fortaleza Capablanca op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.d4 Nc6 7.Bd3 Nf6 8.0-0 Bd7 9.c4 bc3 10.Nc3 Qa5 11.Ne4 Ne4 12.Be4 Be7 13.Rb1 Qc7 14.Ne5 0-0 15.Bf4 Bd6 16.Re1 Rac8 17.Qb3 Be5 18.de5 f5 19.Bd3 Na5 20.Qa2 Nc4 21.Rbc1 b5= 22.Red1 Rfd8 23.Bg5 Re8 24.a4 a6 25.Qe2 h6 26.Bd2 Qb7 27.Bc4 bc4 28.Rc4 Rc4 29.Qc4 Bc6 30.f3 Qd7 31.Qf4 Ba4 32.Ra1 Bb5 33.Be3 a5 34.Qg3 a4 35.Kh1 Ra8 36.Bh6= a3 37.h3 a2 38.Be3 Bc4 39.Qf2 Qd5 40.Bd4 Rd8 41.Bc3 Qd3 42.Qh4 Rd7 43.Qe1 Rb7 44.Bb4 Rb5 45.Kh2 Qd4 46.Bc3 Qf4 47.Qg3 Qe3 48.Rd1 Bd5 49.Qe1 Qe1 50.Re1 Rb1 51.Rg1 Bb3 52.f4 Bd1 53.g4 fg4 54.hg4 Bf3 55.Bd4 Be4 56.Ba1 g6 0–1. Ziebarth,Susanne (1810) – Hollstein,Frank (2255), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    6.d4 Nf6 7.Be2 Bd7 8.0-0 Bc6 9.ab4 Bb4 10.c4 Qd8 11.Qb3 a5 12.Rd1 0-0 13.Bg5 Na6 14.Ne5 Be4 15.Qe3 Bc2 16.Rc1 Bg6 17.Bf3 Rb8 18.Nc3 Be7? (better is 18...Bf5!?+=) 19.Ng6 hg6 20.Bf4 Bd6 21.Bd6 Qd6 22.Ra5 Rfd8 23.Nb5 Qd7 24.Qe5 Nb4 25.Ra7 (better is 25.Rca1+/-) 25...Nd3+= 26.Qe3 Nc1 27.Qc1 Ne8 28.d5 ed5 29.Bd5 Rbc8 (29...Nf6 30.Bf3-/+) 30.Qb1? (better is 30.Qe1!? Nd6 31.Nd6 Qd6 32.Rb7+=) 30...Qf5-/+ 31.Qf5 gf5 32.g4 Nf6 33.Bb7 Rc4 34.gf5 Rc5 35.Na3 Rd2 36.Bf3 Ra2 37.Nb5 Ra7 38.Na7 Rf5 39.Kg2 Rg5 40.Kf1 Nh5 41.Nc6 Nf4 42.Be4 Rh5 43.Kg1 Rg5 44.Kf1 Rc5 45.f3 g6 46.Nd4 f5 47.Bb7 Rc4 48.Ne2 Kg7 49.Nf4 Rf4 50.Kg2 Rb4 51.Bc6 Kf6 52.Kg3 Kg5 53.Bd7 Rd4 54.Be8 Rh4 55.Bd7 f4 56.Kg2 Kf6 57.h3 Ke5 58.Kf2 Kd4 59.Ke2 g5 60.Kd2 Rh7 61.Bc8 Ra7 62.Be6 Rb7 0–1. Hamann,Carsten (2170) – Jochens,Arne (2255), Schleswig Holstein–ch M, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.Be2 Nc6 7.0-0 Nf6 8.Bb2 Be7 9.ab4 Nb4 10.Nc3 Qd8 11.Ne5 0-0 12.Bf3 Nfd5 13.Nb5 Bd7 14.Nd4 Qc7 15.Nd7 Qd7 16.Be4 f5 17.Bd5 Qd5 18.Qe2 e5 19.c4 Qe4 20.Qe4 fe4 21.Ne6 Rf6 22.Nc7-/+ Rd8 23.Be5=+ Rf5 24.Bc3 Rdf8 25.Ne6+/- Ra8 26.Rfb1 Nd3 27.Rb7 Bf6 28.Bf6 Rf6 29.Ng5 Rf2 30.Raa7 Ra7 31.Ra7 g6 32.Ne4 Re2 33.Nf6 Kf8 34.Nh7 Ke8 35.Nf6 Kf8 36.h4 Nf4 37.d4 Rg2 38.Kf1 Rh2 39.Rh7 Nd3 40.Ng4 Rh3 41.c5 Nf4 42.c6 Nd5 43.Ne5 Rc3 44.Rd7 Ne7 45.d5 Rc5 46.c7 1–0. Jaroch,K (2170) – Staroszczyk,M (2050), Open A, Kowalewo Pomorskie Poland, 2007.

    6.Be2 Nf6 7.0-0 Nc6 8.Bb2 ba3 9.Na3 Be7 10.Nb5 Qd8 11.Ne5 0-0 12.Bf3 Bd7 13.Qe2 a6 14.Nc6 Bc6 15.Bc6 bc6 16.Nd4 Qb6 17.Rfb1 c5 18.Bc3 Qc7 19.Nf3 Nd5 20.Ra6 Nc3 21.dc3 Bf6 22.Ra8 Ra8 23.Qc4 g6 24.g3 Ra3 25.Nd4 Qe5 26.Nb5 Ra8 27.Rd1 Qh5 28.Re1 Rd8 29.Qf4 Kg7 30.c4 Qf5 31.Qf5 gf5 32.Kf1 h5 33.Ke2 h4 34.Rd1 Rd1 35.Kd1 h3 36.Ke2 Be5 37.f4 Bb8 38.Nc3= e5 39.Nd5 ef4 40.Nf4+- Bf4 41.gf4 ½–½. Rotstein,Jefim – Gufeld,Eduard, UKR–ch Kiev, 1964.

    6.Be2 Nf6 7.0-0 Nc6 8.Bb2 b6 9.c4 (9.c3 bc3 10.Nc3 Qd7=) 9...bc3 (9...Qd7 10.ab4 Bb4 11.Ne5 Ne5 12.Be5=+) 10.Nc3= Qd6 (better 10...Qd7=) 11.Nb5+- Qb8 (11...Qf4 12.Rc1 Bb7 13.Rc4+-) 12.Rc1+- Bd7 (12...Bb7!? 13.Ne5 Bc5 14.d4 Ne5 15.dc5+- (15.de5?! Ne4=+)) 13.Ne5 Qb7?? (better 13...Ne5 14.Nc7 Qc7 15.Rc7 Bd6+-) 14.Bf3 Nd5 (14...Rc8 15.Re1 Be7+-) 15.Bd5 ed5 16.Re1 (16.Re1 Ne5 A) 17.Re5?! Kd8 18.Qf3 Be6+- (18...Bb5?? 19.Rd5 Bd7 20.Rd7 Qd7 21.Qa8 Ke7 22.Qb8+-); B) 17.Rc7+-) 1–0. Bach,Matthias (2200) – Uksini,Bardhyl (2300), VMCG Open A, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.Be2 Nf6 7.0-0 Nc6 8.d4 Be7 9.ab4= Bb4 10.c3 Be7 11.c4 Qd8 12.Nc3 0-0 13.Nb5 (13.Bf4 Bd6 14.Qd2 b6=) 13...a6 14.Bf4 Nh5 15.Bc7 Qd7 16.Ne5 Ne5 17.Be5 Nf6 (17...f6 18.Bh5 fe5 19.de5 Qd1 20.Rfd1+= (20.Rad1?? ab5 21.cb5 Ra5-+; 20.Bd1?! Rd8=)) 18.Nc7 Ra7 19.Nb5 Ra8 20.Nc7 Ra7 21.Nb5 Ra8 ½–½. Go,Benjamin (2175) – Baskin,Robert (2070), Hoogeveen NED, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    6.Bb2 ba3

    7.Na3 Nc6 8.Nb5 Qd8 9.Ne5 Bd7 10.Nc4 A) 10...e5 A1) 11.Nbd6 Bd6 12.Nd6 Kf8 13.Ba3 Nce7 14.Qh5 Be6 15.Qe5 b6 16.Be2 a5+/-; A2) 11.Ncd6 Bd6 12.Nd6 Kf8 13.Ba3 Nce7 14.Bc4 Nh6 15.Qh5 f6 16.Nb7 Qb6+/-; A3) 11.Ne5 Nf6 (11...a6 12.Qe2 Be6 13.Nc6 bc6 14.Nd4 Qf6 15.Bc3 Qg6 16.Ne6 fe6+-; 11...Nh6 12.Bc4 Bb4 13.Nd7 Kd7 14.0-0 Qg5 15.Qf3 a6 16.Nd4 Rhb8+-; 11...Be6 12.Qf3 Bb4 13.Nd3 Nge7 14.Nb4 Nb4 15.Qc3 Nbc6 16.Qg7 Rg8+-) 12.Bc4 Be6 13.Qe2 Be7 14.Be6 fe6 15.0-0 Nb4 16.Qc4 Nbd5+-; A4) 11.Be5 Ne5 12.Ne5 a6 13.Qf3 Nf6 14.Qb7 Rc8 15.Ra6 Be7 16.Ra7 Rc2+-; B) 10...Nh6 B1) 11.Ncd6 Bd6 (11...Ke7 12.Ba3 Kf6 13.Qf3 Kg6 14.Be2 Qh4 15.Nc7 Bd6 16.Bd6 Nf5+/-) 12.Nd6 Kf8 13.Nb7 Qc7 14.Nc5 e5 15.Bc4 Bg4 16.f3 Bf5+=; B2) 11.Nbd6 Ke7 12.Ba3 Qb8 13.Nb7 Kf6 14.Qf3 Nf5 15.Nbd6 Bd6 16.Bd6 Ncd4+/-; C) 10...f6 11.Nbd6 (11.Ncd6 Bd6 12.Nd6 Kf8 13.Nb7 Qc7 14.Nc5 e5 15.Bc4 Nge7 16.Qh5 Ng6+/-) 11...Bd6 12.Nd6 Kf8 13.Nb7 Qc7 14.Nc5 e5 15.Bc4 Nge7 16.Qh5 Ng6+/-; D) 10...Nf6 11.Nbd6 (11.Bf6 gf6 12.Ncd6 Bd6 13.Nd6 Ke7 14.Ne4 Qc7 15.c3 f5 16.Ng3 f4+=; 11.Ncd6 Bd6 12.Nd6 Kf8 13.Nb7 Qc7 14.Nc5 e5 15.Nd7 Qd7 16.Bb5 Qd5+=) 11...Bd6 12.Nd6 Kf8 13.Nb7 Qc7 14.Nc5 e5 15.Nd7 Qd7 16.Bb5 Qd5+=.

    7.Na3 Nc6 8.Nb5 Qd8 9.Ne5 Bd7 10.Nd7 Qd7 A) 11.Bc4 a6 (11...Nf6 12.Bf6 gf6 13.0-0 Rg8 14.Qh5 Rc8 15.d3 a6 16.Nc3 Ne5+=) 12.Nc3 Nf6 13.0-0 Bc5 14.Nb1 Nd4 15.c3 Nf5 16.d4 Bd6-/+; B) 11.Qf3 Nge7+= (11...Nh6 12.Qf4 Kd8 13.Bf6 Kc8 14.Bg5 Nf5 15.Qc4 a6 16.c3 Be7+=) 12.Bc4 a6 13.Qf4 Ng6 14.Qg3 Rc8 15.Nc3 Bd6 16.Qh3 Bf4-/+; C) 11.Bd3 a6 (11...Nf6 12.Bf6 gf6 13.Qe2 Bg7 14.Ra3 0-0 15.0-0 a6 16.Nc3 f5-/+) 12.Be4 Rd8 13.Na3 Nd4 14.Nc4 Nf6 15.Bd3 Bc5 16.Ne3 e5-/+; D) 11.Qg4 Nb4 (11...Nge7 12.Bd3 f5 13.Qg3 Nd5 14.0-0 f4 15.Qh3 Bb4 16.Rfe1 Kf7+=; 11...e5 12.Qe2 f6 13.f4 Bb4 14.fe5 fe5 15.Be5 Bd2 16.Qd2 Ne5+=) 12.Nd4 Nf6 13.Qf3 Kd8 14.Ra5 Qc7 15.Rb5 Nfd5 16.c3 Nc6+=.

    7.Na3 Nc6 8.Nb5 Qd8 9.Ne5 Bd7 10.Qh5 Ne5 (10...Nh6 11.Nc6 Bc6 12.Be5 Rc8 13.Nd4 Qd5 14.Ra7 Bc5 15.Nc6 bc6 16.Ra4 Rb8+=) 11.Qe5 (11.Be5 Rc8 12.Qd1 Rc5 13.Nd6 Bd6 14.Bd6 Rd5 15.Bf4 a6 16.Be3 Nf6+=) 11...Rc8 (11...f6 12.Qg3 Bb5 13.Bb5 Kf7 14.Bc4 Qb6 15.Ra2 Qc6 16.Bb3 Bb4+=) 12.Nd6 Bd6 13.Qg7 (13.Qd6?! f6= (13...Rc2?? 14.Bg7 Bc6 15.Qd8 Kd8 16.Ra7+-) 14.Ra7 Rc2 15.Rb7 Ne7 16.Bd3 Rc8+= 0.50) 13...Rc2 14.Qh8 Qg5 15.Bc3 Bc6? (15...Qg6!?+/- 16.Qd4 Ra2+/- 1.00) 16.h4 (16.Ra7?? Rc1 17.Ke2 Bb5 18.d3 Rc2 19.Bd2 Qd2 20.Kf3 Qf4) 16...Qg4 17.Bd3 Bg2 (17...Qg2 18.Rf1 Rc3 19.dc3 Ke7+-) 18.Rg1 (18.Bc2?! Bh1 19.Bh7 Qg1 20.Ke2 Qg4 21.Kd3 Kd7 22.Rh1 Qf3 23.Kc2 Qh1 24.Bg8 Qe4 25.Kb2 Qf5+-) 18...Bh2 19.Qg7 (better is 19.Bg7 Qf4 20.Qg8 (worse is 20.Bc2 Bg1 21.Qg8 Kd7 22.Ba4 Kc7+-) 20...Kd7 21.Bc3 (21.Bc2?! Bg1 22.Ba4 Kc7+-) 21...Rc3 A) 22.Qg2?! Rb3 (22...Rd3? 23.Qb7 Qc7 24.Qc7 Bc7 25.Ra7+-) 23.Be2 Bg1 24.Qg1 Qh4=; B) 22.dc3 Qe5 23.Kd1 Bg1 24.Qg2+-) 19...Qg7+= 20.Bg7 Bg1 21.Bc2 f5 (21...Ne7!?+/-) 22.Be5+- (22.Ra7?! Kf7 23.Bd4 Ne7+=) 22...Ne7 (better is 22...Bd5+-) 23.Ke2 (23.Ra7?! Ng6 24.Ra8 Ke7+/-) 23...Nc6 24.Ba4 (24.Ba4 Bf2 25.Kf2+-) 1–0. Bortnik,A (2300) – Daskalov,D (2020), EYCC Boys U14, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    7.Na3 Nc6 8.Nb5 Qd8 9.Ne5 Nf6 10.Qf3 Nb4 11.Ra7 Ra7 12.Na7 Bc5 13.Bb5 Kf8 (13...Ke7 14.Nc8 Qc8 15.0-0+/-) 14.Nc8 Qc8 15.0-0 Be7 16.Ra1 Kg8 (16...Nc2?? 17.Rc1+-) 17.c4 h5 (better 17...Na6!?+-) 18.Ra7 Qd8? (18...Bd6 19.Rb7 Nbd5+-) 19.d4 (19.Rb7 Qd2 20.Rb8 Kh7 21.Rh8 Kh8 22.Qa8 Kh7-/+; 19.Qb7?! Qd2 20.g3 Ng4 21.Ng4 hg4+/-) 19...Nc2 (19...Bc5 20.Rb7 Bf8 21.Nf7 Qa8 22.Nh8 Qa2+-) 20.Qb7 Nd4 21.Ra8 (21.Ra8 Qa8 22.Qa8 (22.Qe7? Qe4 23.g3 Nb5-+) 22...Kh7 23.Qb7 (23.Bd4 Ra8 24.c5 Ra5 25.Bd3 Kg8-/+) 23...Nb5 24.Nf7+-) 1-0. Nicolai,Am (2115) - De Winter,Arthur (1895), Hoogeveen NED, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    7.Na3 Nc6 8.Nb5 Qd8 9.Ne5 Nf6 10.Qf3 Bb4 11.Bd3 0-0 12.0-0 a6 13.Nc6 bc6 14.Bf6 Qf6 15.Qc6 Rb8 16.Qe4 g6 17.Qb4 ab5 18.Ra5 Bd7 19.Qd6 Rfd8 20.Rb1 Be8 21.Qg3 b4 22.Ra2 ½–½. Aldokhin,I (2170) – Tonoian,A (2395), 4th Open A, Moscow RUS, 2008.

    6.Bb2 Nf6

    7.a4 Nc6 8.Be2 Be7 9.0-0 0-0 10.c4 bc3! 11.Nc3 (11.Nc3 Qf5 Combination; 11.Bc3 Bd7 Combination; 11.dc3 Bd7 Combination) 11...Qa5 12.Nb5 Nd5 13.Bc4 Bf6 14.d4 Rd8 15.Ba3 Nc3 16.Qe1 Nb5 (16...Nd4?! 17.Nfd4 Rd4 18.Nd4 Bd4 19.Rc1=) 17.Qa5 Na5 18.Bb5 Nb3 (18...Bd4?! 19.Nd4 Rd4 20.Rad1-/+) 19.Rad1 Nd4 (worse is 19...Bd4 20.Be7 Rd5 21.Bc4+/-) 20.Nd4 Bd4 21.Be7 Rd5 22.Bc4 Rd7 23.Bb5 Rd5 (better is 23...e5!? 24.Bd7 Bd7-/+) 24.Bc4= Rd7 25.Bb5 e5 26.Bd7 Bd7 27.a5 Bb5 28.Rfe1 Bc3 29.Re3 Ba5 30.Re5 a6 31.Red5 f6 32.h3 Rc8 33.Bd8 Bb4 34.Bb6 Rc2 35.Rb1 Bc3 36.Rd8 Kf7 37.Rb5 ab5-+ 38.Rd7 Kg6 39.Rb7 b4 40.Ba5 b3! 41.Bc3 Rc3 42.Kf1 Kf5 43.Ke2 Rc2 44.Ke3 b2 45.g4 Ke6 46.f4 Kd5 47.h4 Rh2 48.g5? f5 49.h5? Rh5 (49...Rh5 50.Kd3 Rh3 51.Kc2 Rh2 52.Kd3 Kc5-+) 0–1. Gyuricza,Gyorgy Laszlo – Portilho,Gilberto Fraga, BRA TBI corr, 1980. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.ed5 Qd5 6.Bb2 Nf6)

    7.ab4 Bb4 8.Na3 0-0 9.Be2 (9.Bf6 gf6 10.c3 Be7=+) 9...Nc6 (9...Ne4 10.c3 Be7 11.Qc2-/+) 10.0-0 (10.Bf6 gf6 11.c3 Bd6=+) 10...b6 (10...Ne4 11.Nb5 Qd7 12.d4=+) 11.Nc4 Bb7 12.Bf6 gf6 13.c3 Be7 14.d4 Rad8 (14...Rfc8 15.Qd2=+) 15.Ne3 Qd7 16.d5 (16.Re1!?=+) 16...Na5-/+ 17.Nd4 Bd5 18.Bb5 (18.Bf3 Bf3 19.Qf3 Qc7-/+) 18...Qc7 19.Bd3 Qe5 20.Re1 Qg5 21.Nd5 Rd5 (21...Qd5 22.Bf5 ef5 23.Re7-/+) 22.Re3 Qh5 23.Be2 (23.Qc2 Rg5 24.Kh1 Rd8=) 23...Qg6 (better 23...Qh4!?-/+) 24.Bd3= Qh5 25.Be2 Qg6 ½–½. Romanelli,Gabriel Adrian (2140) – Fielding,Gerald (1965), IECC, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6)

    7.ab4 Bb4 8.c4 Qd7 9.Be2 0-0 10.0-0 b6 11.Ne5 Qc7 12.Na3 Bb7 13.Qb3 Ba3 14.Ra3 Nbd7 15.Qe3 Rfd8 16.Qf4 Ne5 (16...Be4 17.Re3 Nc5 18.d4=+) 17.Be5= Qe7 18.Rfa1 Bc6 19.Qg5 h6 20.Qh4? (better 20.Qe3!?=) 20...Rd2-/+ 21.Rg3 Kf8 22.Bf3?? (better 22.Rg7! Kg7 23.Bf4=) 22...Bf3-+ 23.Rf3 Ne8 (23...Rad8 24.h3 Rd1 25.Rd1 Rd1 26.Kh2 Ne8-+) 24.Bg7 Ng7 25.Qh6 Qd6 26.h4 (26.Rf1 Rd1 27.Qh8 Ke7 28.Qh4 Kd7 29.Rf7 Ke8 30.Re7 Qe7 31.Qh8 Qf8 32.Qf8 Kf8 33.Rd1-+) 26...Qd4 27.Re1 Kg8 28.Qg5 Rc8 29.h5 (29.Rf4 Qd8 30.Qg3 Qd3-+) 29...Rd1 (29...Rc4 30.h6 Rc5 31.Qe7-+) 30.Rd1 Qd1 31.Kh2 Rc5 (31...Rc4?! 32.h6 Qd4 33.Rg3-/+) 32.Qe7 Rh5 33.Kg3 (33.Rh3 a5-+) 33…Nf5 (33...Nf5 34.Rf5 ef5-+) 0-1. Riha,Vojtech (2195) - Vrolijk,Liam (2475), 29th EY Open U18, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    7.c4 Qc6 A) 8.Bf6 gf6 9.Qb3 (9.ab4 Bb4 10.Qb3 a5 11.Be2 Rg8 12.Rg1 e5 13.Nc3 e4 14.Nd4-/+; 9.Be2 Rg8 10.Rg1 e5 11.Qc2 Rg7 12.ab4 Bb4 13.Nc3 Be6 14.Qb3-/+; 9.Bd3 e5 10.ab4 Bb4 11.Qc2 Rg8 12.Be4 Qb6 13.g3 Bc5 14.Nc3-/+) 9...ba3 10.Na3 Na6 11.Nc2 Nc5 12.Qb2 e5 13.d4 ed4 14.Nfd4+=; B) 8.Bd3 B1) 8...ba3 9.Na3 (9.Bf6 gf6 10.Na3 Bc5 11.Qe2 f5 12.0-0 Kd8 13.Bc2 Nd7 14.d4=) 9...Be7 10.Nb5 Na6 11.0-0 0-0 12.Bd4 b6 13.Ne5 Qb7 14.Be2+=; B2) 8...Na6 9.0-0 (9.Bf6 gf6 10.Qe2 Nc5 11.0-0 Nd3 12.Qd3 e5 13.ab4 Be6 14.Qe3-/+; 9.Qe2 Be7 10.0-0 0-0 11.Bc2 ba3 12.Na3 Nb4 13.Ne5 Qd6 14.Nb5+=) 9...Be7 10.Ne5 Qd6 11.Qf3 0-0 12.Re1 ba3 13.Ba3 Nc5 14.Nc3+=; B3) 8...Nbd7 9.0-0 ba3 10.Na3 Bc5 11.Be2 0-0 12.d4 Be7 13.Nb5 a6 14.Qb3+=; C) 8.d4 C1) 8...b6 9.Qe2 (9.Nbd2 ba3 10.Ba3 Ba3 11.Ra3 Bb7 12.Qa1 a6 13.Bd3 0-0 14.0-0-/+; 9.Bd3 ba3 10.Ba3 Ba3 11.Na3 0-0 12.0-0 Bb7 13.Qe2 Rd8 14.Rfd1+=; 9.Qb3 ba3 10.Ba3 Ba3 11.Qa3 Bb7 12.Nc3 a6 13.Be2 Nbd7 14.0-0+=) 9...Qc7 10.Qe3 Bb7 11.Bd3 Na6 12.d5 ba3 13.Na3 Bc5 14.Qg5=; C2) 8...ba3 9.Ba3 Ba3 10.Na3 b6 11.Ne5 Qe4 12.Be2 0-0 13.0-0 Qf4 14.g3+=; C3) 8...Be7 9.Bd3 0-0 10.0-0 Nbd7 11.Re1 ba3 12.Ba3 Ba3 13.Na3 b6 14.Qe2+=; D) 8.Be2 D1) 8...Bd6 9.Bf6 (9.ab4 Bb4 10.0-0 Nbd7 11.Qb3 Bd6 12.Nc3 0-0 13.Nb5 Bb8 14.Rfd1+=; 9.0-0 Nbd7 10.Nd4 Qc7 11.Nb5 Bh2 12.Kh1 Qb8 13.g3 Bg3 14.fg3+=) 9...gf6 10.ab4 Bb4 11.0-0 Rg8 12.Qc2 f5 13.Qb2 Qd6 14.Nc3+=; D2) 8...ba3 9.Na3 (9.Bf6 gf6 10.0-0 e5 11.Na3 Rg8 12.Re1 Bh3 13.g3 Qd7 14.Nc2+=) 9...Be7 10.0-0 0-0 11.Nb5 a5 12.Ne5 Qe4 13.Ra4 Rd8 14.Bf3+=; D3) 8...Na6 9.Bf6 (9.0-0 Bd6 10.d4 0-0 11.c5 ba3 12.Na3 Bf4 13.Bb5 Qd5 14.Bc4+=; 9.ab4 Bb4 10.Qb3 Be7 11.Ne5 Qd6 12.0-0 0-0 13.d4 Rd8 14.c5+=) 9...gf6 10.d4 ba3 11.0-0 Rg8 12.Na3 e5 13.Kh1 Be7 14.Bd3+=; D4) 8...Be7 9.ab4 (9.0-0 Nbd7 10.Qb3 ba3 11.Na3 0-0 12.Nb5 a6 13.Qe3 Rd8 14.Rfe1+=) 9...Bb4 10.Bf6 gf6 11.0-0 Rg8 12.Qc2 f5 13.Qb2 a5 14.d4+=.

    7.c4 Qd8 A) 8.d4 Nc6 (8...ba3 9.Ba3 Ba3 10.Na3 Nc6 11.Nb5 0-0 12.Bd3 b6 13.0-0 a6 14.c5+=) 9.Bd3 (9.c5 ba3 10.Na3 Be7 11.Bd3 Nd5 12.0-0 0-0 13.Qb1 h6 14.Nc4+=; 9.Qd2 ba3 10.Ba3 Ba3 11.Ra3 Qd7 12.Be2 0-0 13.0-0 b6 14.Rd1-/+; 9.Be2 ba3 10.Ba3 Qa5 11.Kf1 Ba3 12.Na3 Qf5 13.Bd3 Qf4 14.Nb5-/+) 9...ba3 10.Bc3 a2 11.Nbd2 Bd6 12.Ra2 0-0 13.0-0 Nb4 14.Bb4+=; B) 8.Be2 B1) 8...Nc6 9.0-0 ba3 10.Na3 Be7 11.d4 0-0 12.Ne5 Ne5 13.de5 Ne4 14.Qc2+=; B2) 8...Bd7 9.Qb3 (9.0-0 Bc6 10.d4 ba3 11.Na3 Be7 12.Ne5 0-0 13.Qb3 Be4 14.Bf3+=; 9.d4 ba3 10.Ba3 Qa5 11.Qd2 Qd2 12.Kd2 Bc6 13.Nc3 Ba3 14.Ra3+=; 9.Ne5 ba3 10.Na3 Bc6 11.Bh5 Nh5 12.Qh5 Qf6 13.0-0 Nd7 14.Nd7+=) 9...Na6 10.0-0 ba3 11.Ba3 Ba3 12.Qa3 Qe7 13.Qe3 Bc6 14.Ne5=; B3) 8...ba3 9.Na3 Nc6 10.Nb5 Be7 11.0-0 0-0 12.Re1 a6 13.Nbd4 Bd7 14.Qb3-/+; C) 8.Qa4 Nc6 (8...Bd7 9.Qb3 ba3 10.Na3 Bc6 11.Nb5 a5 12.Be2 Bb4 13.0-0 0-0 14.Bf6+=) 9.ab4 (9.d4 ba3 10.Ba3 Ba3 11.Na3 0-0 12.Nb5 b6 13.Qa3 a5 14.Qe3-/+; 9.Ne5 Bd7 10.Nd7 Qd7 11.ab4 Bb4 12.Be2 Ne4 13.0-0 Nc5 14.Qd1-/+) 9...Bb4 10.Ne5 Qb6 11.Nc6 bc6 12.Bf6 gf6 13.Bd3 f5 14.Nc3-/+; D) 8.ab4 Bb4 9.Be2 (9.Qa4 Nc6 10.Ne5 Qb6 11.Nc6 bc6 12.Bf6 gf6 13.Bd3 f5 14.Nc3-/+; 9.Qb3 Nc6 10.Be2 0-0 11.0-0 Bc5 12.Nc3 Re8 13.Na4 Bb4 14.Rfd1+=; 9.Nc3 0-0 10.Be2 Nc6 11.d4 Qd7 12.0-0 Rd8 13.Qb3 Qe7 14.Rfd1+=) 9...0-0 10.0-0 Nc6 11.Re1 Ng4 12.Nc3 Qb6 13.d4 Rd8 14.Nb5+=.

    7.Bd3 Bd7 8.0-0 Bc6 9.Re1 Nbd7 10.Be2 Nb6 11.ab4 Bb4 12.Nc3 Qd8 13.Ne5 0-0 14.Nc6 bc6 15.Bd3 Nbd5 16.Ne4 Be7 17.Ra4 Rb8 18.Be5 Rb7 19.c3 Rd7 20.Qf3 Ne4 21.Be4 f5 22.Bc2 Nb6 23.Qc6 (better is 23.Ra2!? Rd2 24.Bb3 Ra2 25.Be6 Kh8 26.Ba2=) 23...Na4-/+ 24.Qe6 Kh8 25.Ba4 Rd2 26.Qh6 Bf6 27.Bf6 gf6 (27...Rf6?? 28.Qd2 Rf8 29.Qe3+-) 28.Be8 Rg8 29.Bh5 Rd7 30.g3 Qf8 31.Qe3 Qd6 32.Qh6 Re7 33.Rd1 Qc6 34.c4 a5 35.Qf4 Re5 36.Bf3 Qc7 37.Kf1 Rd8 38.Bd5 Rb8 39.Qd4 Qb6 40.c5? Qb2 41.Qh4 Qe2 42.Kg2+= Kg7 43.Bf3 Qb5 44.c6 Rbe8 45.Rd6 R8e6?? 46.Rd7?? Re7+= 47.Rd6 R5e6 48.c7 Qc5 49.Bc6 Qd6 50.c8Q Rc7 51.Qb8 Qc6 52.Kh3 Re4 53.Qh5 Qd7 54.f3?? Rb7 55.Qa8 Ra7 56.Qb8 Rb4-+ 57.Qbe8 Qd1 58.f4 Qf1 59.Kh4 Rb2 60.h3+= Qd3 61.Qe1 Rb3-/+ 62.Qhe8 a4 63.Q1e7= ½–½. Freiberger,Jonas (2170) – Mueller,Oliver (2305), Werther Schloss op–A, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6)

    7.Bd3 Be7 8.ab4 Bb4 9.0-0 0-0 10.Nc3 Qd8 11.Qe2 Nbd7 12.Ne4 Be7 13.Ra4 Re8 14.Neg5 Nf8 (better is 14...h6 15.Ne4 Nd5+=) 15.Ne5+/- Qb6 16.Bd4 Bc5 17.Ba1 (better is 17.Bc5!? Qc5 18.Ngf7+/- (worse is 18.Nef7 h6-/+)) 17...Re7+= 18.Rf4 Bd6 19.Rf6 Increases the pressure on f7 19...Be5?? (19...gf6 20.Ng4 Nd7 21.Nf6 Nf6 22.Bf6 Kf8+-) 20.Be5 Nd7 (20...h6 21.Ne4 Ng6 22.Rg6 fg6+-) 21.Qh5 (21.Qh5 Nf6 22.Bf6+-) 1–0. Van Dongen,C1 (2340) – Hekhuis,J (2145), HZ Open, Vlissingen NED, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6)

    7.Be2 Nc6 8.0-0 Be7 9.ab4= Bb4 10.Na3 Bd6 11.Nc4 Bc7+= 12.Re1 0-0= 13.Ra3 Ng4 14.Qa1 f6 15.d4 Nb4 16.Qc1 Qf5 17.h3+= Nh6 18.Ne3 Qf4 19.g3 Qd6 20.c4 Nf7 21.Ng4 Nc6 22.Bd3 f5= 23.c5 Qd5 24.Bc4+= Qd8 25.Ngh2 Kh8 26.Be6+= Be6 27.Re6 Qd5 28.Rae3 f4=+ 29.Re2 fg3 30.fg3 Bg3 31.R6e4 Nh6-/+ 32.Qe3 Ng8 33.Ng5 Bf4-/+ 34.Rf4 Qg5 35.Rg4 Qe3 36.Re3 Nf6 37.d5 Ng4 38.Ng4 Nd8?? 39.Re7+- Nf7 40.Nh6 Nh6 41.Bg7?? Kg8=+ 42.Bh6 Rf7-/+ 43.Re2 Rf6-+ 44.Bc1 Rf5 45.Rg2 Kf7 46.Rf2? Rg8 47.Kf1 Rf2 48.Kf2 Rd8 49.d6 Ke6 50.Ke2 Kd5 51.Be3 Kc6 52.Kd3 Rg8 53.h4 Rg3 54.h5 b6 0–1. Zargari,Amir F S – Zoltan,Erik, US Open, Framingham USA, 2001.

    7.c4 bc3

    8.Nc3 Qa5 9.Bd3 (9.Qc2 Nbd7 10.Bb5 a6 11.Be2 Bc5 12.0-0 0-0 13.Ne4 Be7 14.Rfc1-/+; 9.Rc1 Nc6 10.Bb5 Bd7 11.Bd3 Ne5 12.Ne5 Qe5 13.Be2 Bc6 14.0-0-/+; 9.Qb3 Nc6 10.Rc1 Be7 11.Bb5 0-0 12.Qa4 Qb6 13.Rb1 Bd7 14.0-0-/+) 9...Nbd7 10.Ne4 Be7 11.Qc2 0-0 12.Nf6 Nf6 13.Bf6 Bf6 14.Bh7 -/+.

    8.Nc3 Qd8

    9.Rc1 Be7 10.Bc4 a6 11.a4 0-0 12.0-0 Nbd7 13.Qe2 Nb6 14.Bb3 -/+.

    9.Qc2 Be7 10.Rc1 0-0 11.Bd3 Nbd7 12.Ne4 Ne4 13.Be4 f5 14.Bd3 +=.

    9.Bc4 Bc5 10.d4 Bd6 11.0-0 a6 12.a4 0-0 13.d5 Re8 14.Re1 -/+

    9.d4 Be7 10.Bd3 0-0 11.0-0 Nbd7 12.d5 (better is 12.Ne5!?-/+) 12...ed5-+ 13.Rc1 Nc5 14.Bb1 b6 15.Ne5 Bb7 16.Re1 Ne6 17.Ne2 Rc8 18.Ng3 Rc1 19.Qc1 d4 20.Nf5 Bc5 21.Qd2 Nd5 (21...Re8 22.f3-+) 22.Qd3 g6 23.Nh6 (23.Qg3 Ndf4-+) 23...Kg7 24.Nhf7 Rf7 25.Ng6?? (25.Nf7 Kf7 26.Qh3-+) 25…Qf6 (25...Qf6 26.f3 hg6-+) 0–1. Spencer,Edwin A (2130) – Woods,Connor (1890), Hawick op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6)

    9.Be2 Bc5 10.d4 Bd6 11.Nb5 Be7 12.Rc1 Nc6 13.0-0 a6 14.Nc3 -/+.

    9.Ne5 Nbd7 10.d4 Bd6 11.Nb5 Bb8 12.Rc1 0-0 13.Qc2 a6 14.Nc7 -+.

    9.Ne5 Be7 10.Bb5 (10.Rc1 0-0 11.Qf3 Nbd7 12.Nb5 Nd5 13.Bc4 Ne5 14.Be5-/+) 10...Nbd7 11.0-0 (11.d4 0-0 12.0-0 Nb6 13.Re1 Nbd5 14.Qf3-/+) 11...0-0 12.d4 Nb6 (12...Bd6 13.Re1 a6 14.Bd3+=) 13.Re1 Nbd5 14.Bd3 (14.Qf3-/+) 14...Bd7 15.Ne4 Ne4 16.Be4 Bc6 17.Qc2 g6 18.Nc6 bc6 19.Qc6 Rb8 20.Qc2 Bf6 21.Rab1 Qa5 22.g3 Rfc8 23.Qe2 Rb3 24.h4 Rcb8 25.Rec1 Qb6 26.Ba1? (better is 26.Qe1!?-/+) 26...Rb1-+ 27.Rb1 Qb1 28.Bb1 Rb1 29.Kg2 Ra1 30.Qb2 Rd1 31.Qb8 Kg7 32.Qa7 Bd4 33.Qa5 Bb6 34.Qb5 Rd2 35.a4 Rf2 36.Kh3 h5 37.a5 Bc7 38.a6 Nf6 39.Qc5 Ng4 40.Qd4 e5 (40...e5 41.Qf2 Nf2 42.Kg2 Bb6-+) 0–1. Vetoshko,V (2210) – Troff,Kayden W (2215), WY Boys–U12 Porto Carras GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    7.Bd3 Nc6

    8.0-0 Be7

    9.ab4 Nb4 10.Nc3 Qd8 11.Bc4 0-0 12.Re1 b6 13.Ne5 Bb7 14.Re3 a6 15.Rg3 b5 16.Bb3 Nc6 17.Ne2 Ne5 18.Be5 Bd6 19.Rd3 Nd5 20.Bd6 Qd6 21.Ng3 Qe5 22.c3 Nf4 23.Re3 Qg5 24.f3 Rfd8 25.Bc2 h5 26.Qe1 h4 27.Re5 f5 28.Bb3 hg3 29.hg3 Nd3 30.Be6 Kh8 31.Qe3 Qe3 32.Re3 f4 33.gf4 Nf4 34.Bf7. Grabinsky,V (2315) – Zhigalko,S (2485), inAUTOmarket Open, 2005.

    9.Re1 0-0 10.Ne5 ba3 11.Na3 Qd8 12.Nc6 bc6 13.Nc4 c5 (13...Nd5 14.Qf3+=) 14.Re3 (14.Qf3 Nd5+-) 14...g6+= 15.Ne5 (15.Rg3 a5+=) 15...Bb7= 16.c4 (16.Bb5 Qc7=) 16...Qc7 (16...Nd7 17.Qb3 Qc7 18.Ng4=+) 17.Rb1= a5 18.Bc2 (18.Qa4 Rfb8=) 18...Rab8 (18...Ra6 19.f3=+) 19.Qe2 (19.g3 Rfd8=) 19...Ba8 20.Rh3 (better 20.f3!?=+) 20...Rb6 (20...Rb4 21.Bc3 Rb1 22.Bb1 a4-/+) 21.f3 (better 21.Bc3!? Rb1 22.Bb1-/+) 21...Rfb8-+ 22.Nd3 Qd7 (22...Nh5!? 23.Rh5 gh5 24.Qe1-+) 23.Qe5-/+ a4 (better 23...Qd6!? 24.Qc3 Bc6-/+) 24.Ra1=+ Rb2 25.Nb2 Increasing the pressure on the isolated pawn on a4 25...Rd8 (25...Qd8 26.Na4 (26.Ra4? Nd7 27.Qe1 Rb2 28.Bg6 Nf8-+; worse 26.Ba4 Nh5 27.Rh5 Bf6-+) 26...Ng4 27.Qf4=) 26.Nd3 (26.Ra4? Qd2 27.Bd3 Ng4-+; 26.Ba4 Qd2 27.Rd1 Qb4 28.Rd8 Bd8=+) 26...Bc6 27.Qe3 (27.Nc5?? Qa7 28.d4 Rd4-+) 27...Qa7 (27...Qd4 28.Qd4 cd4=) 28.g4 (28.Ne5!? Be8 29.f4+=) 28...Nd7= 29.Nb4?? (29.Qh6 Bf6 30.Qh7 Kf8 31.Re1-/+) 29...Qc7?? (better 29...cb4 30.Qa7 Bc5 31.Qc5 Nc5-+) 30.Nc6+- Qc6 31.Ra4 Bf6 32.Qe4 (32.Qh6!? Nf8 33.Kf1+=) 32...Qd6= 33.d3 Bg5 (33...Bd4 34.Kf1 Nf6 35.Qe2=) 34.Rg3 (34.Ra7 Rb8 35.Ra8 Ra8 36.Qa8 Kg7+=) 34...Nf6= 35.Qe2 Qd4 36.Kh1 (36.Kf1 Nd7=) 36...Rb8 (36...Be3 37.Ra7+=) 37.Rg1+= Rb2 38.Rb1 Bf4 (38...Rb1 39.Bb1 h5 40.h3+=) 39.Rb2+- Qb2 40.Bd1 (40.Ra5 Qc1 41.Bd1 Nd7+-) 40...Qc1 (40...Qb7 41.Kg1+-) 41.Ra8 Kg7 42.Ra2 Qc3 (42...Qb1 43.Rb2 Qa1 44.h3+-) 43.Ba4 (43.Ra7 Kg8+-) 43...e5 (43...Qb4 44.h3+-) 44.Bc6 Qd4 (44...Qc1 45.Kg2+-) 45.Ra7 Qd6 (45...Bg5 46.Kg2+-) 46.Be4 Qd4 47.Kg2 Bg5 (47...h5 48.Ra8+-) 48.Rb7 (48.h3 h5+-) 48...Be3 (48...h5 49.h3+-) 49.Qb2 Qb2 (49...Qd6 50.Rb6 Qc7 51.Bd5 Nd5 52.cd5+-) 50.Rb2 h5 51.h3 (51.Rb7 Ne4 52.de4 hg4 53.fg4 g5+-) 51...h4 52.Rb7 (52.Bc6 Bd4 53.Rb7 Nh7+-) 52...Nh7 53.Rd7 (53.Ra7 Ng5+-) 53...Ng5 (53...Nf8 54.Ra7 Ne6 55.Bd5 Nf4 56.Kh2+-) 54.Bd5 Bd4 (54...Kf6 55.Ra7+-) 55.Rb7 (55.Ra7 Be3+-) 55...Be3 (55...Kf6+-) 56.Be4 Bd4?? (56...Nh7 57.Ra7 Ng5+-) 57.Rb1 (57.Kh2 Kf6+-) 57...Be3 (57...Ne6 58.Kh2+-) 58.Rh1 (58.Bd5!? Bd4+-) 58...Ne6 59.Kf1 Kf6 (59...Nf4 60.Ke1+-) 60.Ke2 Bd4 61.Bd5 Nf4 62.Kd2 Kg5 (62...Ke7+-) 63.Bf7 Ng2 (63...Bb2 64.Bd5+-) 64.Rh2 Nf4 65.Bd5 Bg1 66.Rh1 Bf2 (66...Bd4 67.Be4+-) 67.Be4 (67.Bc6 Bd4+-) 67...Bd4 68.Kd1 (68.Bc6 Ne6+-) 68...Be3 (68...Ne6 69.Bd5 Nf4 70.Kc2+-) 69.Kc2 (69.Ke1 Bc1+-) 69...Bd4 (69...Bf2+-) 70.Kb3?? (70.Kd2!? Ne6 71.Bd5 Nf4+-) 70...Ne6? (70...Ne2 71.Ka4+-) 71.Ka4 (71.Bd5 Nf4 72.Kc2 Ne2+-) 71...Nf8? (71...Kf4!?+-) 72.Kb5 (72.Re1 Kf4+-) 72...Kf4+- 73.Kc6 (73.Rf1 Ne6+-) 73...Ne6 (73...Kg3 74.Kd6 Nh7 75.Bg6+-) 74.Bg6+- Kf3 75.Bf5 (75.Be4 Kg3+-) 75...Ng5 76.Be4! Kg3 (76...Ne4 77.de4 Combination) 77.Kd6 Be3?? (better 77...Nh3 78.Rh3 Kh3+-) 78.Ke5+- Nh3 79.Rh3! Kh3 80.Kf5 Kh2 (80...Kg3 81.g5+-) 81.g5 h3 82.g6 Bd4 83.Ke6 Kg1 84.Kf7 (84.Kf7 Kf2 85.Kf8+-) 1–0. Janiszewski,Maciej (2095) – Kalmuk,Krzysztof (2030), Irena Warakomska Mem B, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6 7.Bd3 Nc6 8.0-0 Be7)

    9.Re1 0-0 10.Ne5 b6 11.ab4 Nb4 12.Nc3 Qd8 13.Qf3 Nd3 14.Qa8 (14.Nd3!? Bd7 15.Ba3+=) 14...Nb2-/+ 15.Nc6 Qe8?? (better is 15...Qd7 16.Ne7 Qe7 17.Qa7 Qc5-/+) 16.Ra7?? (better is 16.Qc8! Bc5 17.Qe8 Re8 18.Ra7+-) 16...Bd6= 17.Nb5 Bf4? (better is 17...Bd7 18.Nd6 Bc6 19.Qe8 Re8 (19...Ne8? 20.Nc8+-) 20.Ne8 Ne8+/-) 18.Re7+- Bb7?? (better is 18...Bd7 19.Re8 Re8+-) 19.Re8 (19.Re8 Ne8 20.Ne7 Kh8 21.Qa3+-) 1–0. Freiberger,Jonas (2230) – Mews,Bernhard (2060), 5th Werther Schloss op–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6)

    9.Re1 0-0 10.Ne5 Bd7 11.ab4 Nb4 12.Nc3 Qd4 13.Be4 Qb6 14.Nd7 Nd7 15.Bh7?? Kh7-+ 16.Qh5 Kg8 17.Na4 Qd6 18.Bg7 Kg7 19.Qg4 Kf6 20.Nc3= Nc5 21.Re3 Qc6?? 22.Qf4 Kg6 23.Rg3 Kh7 24.Qg4 (24.Qg4 Qg2 25.Rg2 Bg5 26.Qg5 Nc2 27.Qg7#; 24.Rh3 Kg6 25.Qh6 Kf5 26.Rh5 Kg4 27.h3) 1–0. Sherbakov,R (2555) – Das,A (2350), Open, Pune IND, 2004.

    9.Re1 0-0 10.Ne5 Ne5 11.Re5 Qd8 12.Rg5 g6 13.ab4 Nd5 14.Rh5 (better is 14.Rg4!? Nb4 15.Bb5-/+) 14...Bf6-+ (14...Bb4 15.Rh7 Bc3 16.Nc3 Kh7 17.Nd5 Qd5 18.Bf6+-) 15.Bf6 Qf6 (worse is 15...Nf6 16.Rha5+=) 16.Ra3? (better is 16.Rd5 ed5 17.Nc3-+) 16...gh5 17.Qh5 h6 18.Be4 Kh8 (18...Nf4!? 19.Qd1-+) 19.Rf3 (19.Rh3 Bd7 (19...Nb4?! 20.Qc5 Rg8 21.Qb4-/+) 20.c3 Bc6-+) 19…Qg5 (19...Qg5 20.Rh3 Qh5 21.Rh5 Nb4 22.Rh6 Kg7 23.Rh7 Kg8-+) 0–1. Schmidrathner,Christian – Radnetter,Georg (2105), AUT–ch U18 Imst, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6)

    9.Re1 b3 10.Ne5 bc2 11.Bc2 Ne5 12.Be5 Bd7 (12...0-0 13.Nc3 Qa5 14.Qf3 Rd8 15.d4 Bd7 16.Qh3 g6+= –0.59) 13.Nc3 Qa5 14.Rb1 Bc6 (worse is 14...Qa3 15.Rb7 Qa6 16.Qb1= Rc8= –0.06) 15.Nb5 (15.a4 0-0 16.Qe2 Rac8-/+ –1.06) 15...0-0 (worse is 15...Bb5 16.Rb5 Qa6 17.Qb1=) 16.Re3 (16.a4 Rfc8-/+ –1.03) 16...g6 (16...Bb5 17.Bf6 Bf6 18.Bh7 Kh7 19.Qh5 Kg8 20.Rh3-+) 17.Qe2 Nd5 18.Rh3 (18.Rg3 Rfd8-/+) 18...Bf6 19.Bf6 Nf6 20.g4? (20.Nd4 Rfc8 21.Qe3 Qd5-/+) 20...Qd8 (20...Rad8!? 21.Bd3-+) 21.Nc3-/+ Nd5 22.Rb4? (better is 22.Qe5-/+) 22...Nb4-+ 23.ab4 Qg5 24.b5 Bd5 25.Be4 Rad8 26.Re3 f5 27.Bd5 ed5 28.Re5 Qg4 29.Qg4 fg4 30.Nd5 Kg7 31.Nc7 Rd2 32.b6 ab6 33.Rb5 Rff2 0–1. Chulivska,V (2230) – Vorobiov,E (2590), 3rd Open, Paleochora GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6)

    9.Re1 Qd8 10.Ne5 Ne5 11.Re5 Nd5 12.Qg4 Bf6 13.ab4 Qd6 14.Qg3 Qb4 (14...Be5? 15.Be5 Qe7 16.Nc3 Nc3 17.Qg7+- (17.Bc3?! f5+=; 17.dc3?! f5+/-)) 15.Ba3 (15.Nc3!? Be5 16.Qe5 Qb2 17.Rb1 Qb1 18.Nb1+=) 15...Qd4-/+ (worse is 15...Be5 16.Qe5 Qf4 17.Qg7=) 16.Rd5 Qd5 (16...ed5 17.Nc3 Bd7 18.Qc7+/-) 17.Nc3 Qe5 18.Qf3 Be7 19.Bb5 Kf8 20.d4 Qf6 (20...Qd4?? 21.Rd1 Ba3 22.Rd4+-) 21.Qe3 Ba3?? (better is 21...Kg8+=) 22.Nd5+- Be7 23.Nf6 Bf6 24.Qa3 Kg8 25.Qd6 (25.Qc5 g6+-) 25...g6 26.Ra3 a6 27.Ba4 b5 28.Rf3 ba4 29.Rf6 Ra7 30.Qc5 Kg7 31.Rf3 Rb7 32.Qe5 Kg8 33.h4 h5 34.c4 Kh7 35.c5 Rf8 36.c6 Rb5 37.Qc7 Kg7 38.Ra3 Rb4 39.Qe5 Kg8 40.Qc5 Rb5 41.Qe7 Rb1 42.Kh2 Rc1 (42...Rf1 43.Kg3 Rc1 44.c7+-) 43.Qd6 (better is 43.g4 Rb1 44.gh5+-) 43...Rc4 44.Ra1 (44.c7 Kg7 45.Qd8 Bb7+-) 44...Re8 (44...e5 45.d5 (45.de5?! Bf5+/-) 45...Rh4 46.Kg1+-) 45.Rb1 (better is 45.c7 Rf8 46.Ra3+-) 45...Rc2?? (45...e5 46.Re1 Bf5+- (46...Rd4?? 47.Qd4 a3 48.Re5 Re5 49.Qe5+-)) 46.Rb8 a3 47.c7 a2 48.Qd8 a1Q (48...Rd8 49.cd8Q Kg7+-) 49.Qe8 Kh7 50.Qf7 Kh6 51.Qf8 (51.Qf4 Kh7 52.Rc8 Qd4 53.Qd4 g5 54.Qf6 Rc7 55.Rh8) 51...Kh7 52.Rc8 Qd4 53.Qg8 (53.Qg8 Kh6 54.Qh8 Qh8 55.Rh8 Kg7 56.c8Q Rc8 57.Rc8+-) 1–0. Tran Thanh Tu (2280) – Vo Thanh Ninh (2310), ch–VIE, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.Bb2 Nf6 7.Bd3 Nc6)

    6.ab4 Bb4

    7.Ba3 Nc6 8.Bb4 Nb4 9.Nc3 Qd8 10.Qb1 Nc6 11.Bd3 Nf6 12.0-0 0-0 13.Ra4 a5 14.Rh4 Nb4 15.Bb5 Bd7 16.Re1 Nbd5 17.Nd5 ed5 18.Bd3 Re8 19.Re8 Qe8 20.c4 (20.Qb7?? Rb8 21.Qc7 Rb1 22.Bf1 Bb5-+) ½–½. Reinke,Markus (2115) – Hammes,Frank (2000), Niederrhein–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4)

    7.Ba3 Nf6 8.Bb4 Qe4 9.Be2 Qb4 10.Nc3 Nc6 11.0-0 0-0 12.Ra4 Qb6 13.Rh4 Ne7 14.Bd3 Nf5 15.Rh3 h6 16.Ne5 Rd8 17.g4 Ne7 18.g5 hg5 19.Ne4 Ned5 20.Ng5 Rd7?? 21.Re1 Qd4 22.Bh7 Nh7-/+ 23.Nh7 Nf4 24.Nf6? gf6-+ 25.Rg3 Kf8 26.Nd7 Bd7 27.d3 f5 28.Qc1 Ke7 29.c3 Qd6 30.d4 Rh8 31.Qb1 Nh3 32.Kf1 Qa6 33.Kg2 Qc6 34.f3 Nf4 35.Kh1 Qc3 36.Rc1 Qd2 (36...Qd2 37.Rc2 Rh2 38.Kg1 Qc2 39.Qc2 Rc2-+) 0–1. Schultz Pedersen,Jesper (2210) – Mortensen,Erling (2510), Roskilde op (2), 1998.

    7.Ba3 Nf6 8.c4 Qd6 9.Nc3 Ba3 10.Nb5 Qe7 11.Ra3 Nc6 12.Be2 0-0 13.Qa1 a6 14.0-0 e5 15.d4 e4 (worse is 15...ab5 16.Ra8 Nd4 17.Nd4 ed4 18.Qb2 bc4 19.Bc4+=) 16.Ne5 Nb4 17.Qb2 Bf5 18.c5 Nc6 19.Nd6 Be6 20.Nc6 bc6 21.Ra6 Ra6 22.Ba6 Bd5 23.Rb1 g6 24.Be2 e3 25.Bf3 Bf3 26.gf3 Nd5 27.Ne4 (27.fe3!? Qe3 28.Qf2 Qg5 29.Kh1=) 27...f5+= 28.Ng3 Qg5 29.Kf1 f4 30.Ne4 Qh5 31.Qb3?? (better is 31.Kg2!?+=) 31...Qh2 (better is 31...Qf3 32.Kg1 Qe4 33.Re1-+) 32.Nf6?? (32.Ke2 ef2 33.Rf1 Re8-+) 32...Kf7 (better is 32...Rf6 33.fe3 Qh1 34.Ke2 Qb1 35.Qb1 Nc3 36.Kd3 Nb1-+) 33.Nd5?? Qf2# (33...cd5 34.Qd5 Kg7 35.Qb7 Kh8 36.fe3 fe3 37.Rb2-+) 0–1. Ippolitti,Horacio (2035) – Altamirano,Benjamin (2225), Buenos Aires Najdorf qual, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4)

    7.Na3 Nc6 8.Bb2 Nf6 9.Bd3 Qd8 10.0-0 Bd7 11.Nc4 Be7 12.Re1 Nb4 13.Bf1 0-0 14.Nce5 Be8 15.c3 Nc6 16.Bd3 Ne5 17.Ne5 b5 18.Qe2 a5 19.Reb1 Rb8 20.Bc2 Qc7 21.c4 Bb4 22.Ng4? Ng4-+ 23.Qg4 f5 24.Qe2 Qc4 25.Qe5 Rb7 26.Bc3 Bc3 27.dc3 Qd5 28.Qd5 ed5 29.Ra5 Rc7 30.Bb3 Rc3 ½–½. Chulivska,V (2260) – Collas,S (2380), 6th ch–EURw Chisinau MDA (4), 2005.

    7.Na3 Nc6 8.Nb5 Qd8 9.Bb2 Nf6 10.Bd3 0-0-/+ 11.0-0 Be7 12.Ra4 Nb4 13.Be2 Bd7 14.Bf6 gf6 15.c3 Qb6 16.cb4 Bb5 17.Bb5 Qb5 18.Ra5 Qb4 19.Rh5 Rac8 20.d4 Qc3 21.Ne1 Rfd8?? 22.Qg4+/- Kf8 23.Rh7 Ke8 24.Qg8 Kd7 25.Qf7 Qa3 26.d5 Qd6+= 27.de6 Qe6 28.Qe6 Ke6= 29.Nf3 Rd7 30.Re1 Kd6 31.Nd4 Rc5 32.g4 Bd8 33.Rh8 Bb6 34.Nf5+= Kc7 35.Ree8 Rd2 36.Re7 Rd7 37.Ree8 Kc6 38.Re6 Kb5 39.Rf6+= Rc2 40.Nd6+/- Kb4 41.Rf4 Kb3 42.Rh3 Rc3 43.Rc3 Kc3 44.Nf5 Bd8 45.h4 b5 46.g5 b4 47.Ne3 a5+= 48.Rc4 Kb3 49.f4?? Re7-+ 50.Rd4 Bb6 51.Rd3 Ka2 52.Kf2? b3 (52...b3 53.Rd2 b2-+) 0–1. Chulivska,Vita (2260) – Tukhaev,A (2415), TCh–UKR, Alushta UKR, 2005.

    7.Na3 Nc6 8.Nb5 Qd8 9.c3 Be7 10.d4 Nf6 11.Bd3 0-0 12.0-0 a6 13.c4 Bd7 14.Nc3 Qc7 15.Qe2 Nb4 16.Bb1 b5! 17.c5 Nbd5 18.Nd5 Nd5 19.Ne5 Bf6 20.Ng4 Bd4-/+ 21.Qd3 f5 22.Nh6 gh6 23.Qd4 Bc6 24.Re1 Rf6 25.Bb2 Kf8 26.Ba2 Rg6 27.Rad1 Qf4= 28.Qh8 Rg8 29.Bd5 Rh8 30.Bc6 Rc8 31.Re6 Rg8?? 32.Rf6 Ke7 33.Rd7 Ke8 34.Rg7 Rc6 35.Rg8 Kd7 36.Rg7 Ke8 37.Rc6 Qd2 38.Rc8 (38.Rc8 Qd8 39.Rg8 Kd7 40.Rgd8 Ke6 41.Rd6 Ke7 42.Rc7 Ke8 43.Bf6 b4 44.Rd8) 1–0. Lutz,Klaus Juergen (2275) – Anka,Emil (2370), Biel op (8), 1992.

    7.Na3 Nc6 8.Nb5 Qd8 9.c3 Be7 10.d4 Nf6 11.Bf4 0-0 12.Bd3 Nd5 13.Bg3 b6 14.Bc2 Bb7 15.h4 (better is 15.Qd3!? g6 16.0-0-/+) 15...a6-+ 16.Na3 g6 (better is 16...Nc3!? 17.Qd3 f5-+) 17.Nb1-/+ Bd6 18.Bd6 Qd6 19.h5 Rac8 (19...Nf4 20.g4-/+) 20.Ng5 Nf6 (20...Ne3! 21.fe3 Qg3 22.Kf1 Qg5-/+) 21.hg6= hg6 22.Qd2 Rc7 23.Nf3 Nh7 (better is 23...Ng4=) 24.Qh6+/- f5 25.Ng5 (better is 25.Qg6 Rg7 26.Qh6+/-) 25...Ng5= 26.Qg5 Rg7 27.Rh6 Qe7 28.Qd2 Qf7 29.Bb3 Nd8 30.Kf1 (30.Qe3!?=) 30...Rh7 31.Qg5 Qf6?? (better is 31...Rh6 32.Qh6 Qh7 33.Qh7 Kh7+=) 32.Rg6+- Rg7 33.Qf6 (33.Qf6 Rf6 34.Rf6+-; 33.Rf6?! Rg5 34.Be6 Kg7 35.Rf8 Kf8=) 1–0. Boettcher,Ulrich (2020) – Bischoff,Dieter (2210), Bad Woerishofen op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4)

    7.Na3 Nf6 8.Nb5= Qd8 9.Ra7 Ra7 10.Na7 Bd7 11.Nb5 Qb6 12.Qe2 0-0 13.Bb2 Nc6 14.Bf6 gf6 15.Qd3 Ra8=+ 16.Qd7 Ra1 17.Ke2 Qb5 18.Qd3 Qa4 19.Qc4 f5 20.g4 Na5 21.Qf4= Nc6 22.gf5 Qc2=+ 23.Rg1 Kh8-+ 24.fe6 Qd1 25.Kd3 Qb3 26.Ke2 Qe6 27.Qe3 Qc4 28.Qd3 Qd3 29.Kd3 Ra3 30.Ke2 Bd2 31.Kd2 Rf3 32.Ke2 Nd4 33.Kd2 b5 34.Bd3 Ne6 35.Ke2 Rh3 36.Rg4 Rh2 37.Bb5 h5 38.Re4 Kg7 39.Ke3 Rh3 40.f3 Rh2 41.Bc6 h4 42.Bd5 Kf6 43.Ra4 h3 44.Rh4 Kg5 45.Rg4 Kf6 46.Be6 Ke6 47.Kf4 Rg2-+ 48.Rh4 h2 49.Rh6 Ke7 50.Ke3 Kf8 51.f4 Kg7 52.Rh4 Rc2 53.Kf3 Kf6 54.Kg3 Kf5 55.Rh5 Ke4 56.Re5 Kd4 57.Rh5 f5 58.Rh2= Rc3 59.Kh4 Ke4 60.Kg5 Rg3 61.Kf6 Kf4 62.Rf2 Rf3 ½–½. rjamesx (2110) – gregorgysi (2025), net–chess.com, 2009.

    7.Na3 Nf6 8.Nb5 Qd8 9.Bb2 Nc6 10.c3 Be7 11.d4 0-0 12.Bd3 a6 13.c4 Kh8 14.0-0 Rb8 15.Na3 b6 16.Nc2 Bb7 17.Ne5 Qc7 18.Qe2 Rbd8 19.f4 Ne5 (19...Kg8!?-/+) 20.fe5= Ne8 21.Qh5 g6 22.Qh6 Ng7 23.Ne3 Qc6 (better is 23...Kg8=) 24.Rf3 f5? (24...Kg8 25.d5 Qd7+-) 25.ef6 Rf6 26.d5 ed5 27.Rh3 (27.Rf6 Bf6 28.Bg6 Kg8 29.Qh7 Kf8 30.Ba3 Rd6 31.Nf5 Qc5 32.Bc5 Bd4 33.Kh1 Ba1 34.Bd6) 27...Kg8 28.Qh7 Kf8 29.cd5 Qd6 30.Rf3 Nf5 31.Bf5 Bd5 32.Nd5 Qd5 33.Qh6 Kg8 34.Bf6 Bc5 35.Re3 Be3+- 36.Qe3 (36.Qe3 Qf5 37.Bd8+-) 1–0. Herbold,Manfred (2150) – Erler,Mark (2015), Bad Woerishofen op, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.ed5 Qd5 6.ab4 Bb4)

    7.Na3 Nf6 8.Nb5 Qd8 9.c3 Be7 10.d4 0-0 11.Bd3 Bd7 12.Na3 (better is 12.Na7!? Nc6 13.Nc6 Bc6 14.Ra8 Qa8 15.0-0+=) 12...Qc7 13.Qc2 (13.Bd2 Bc6-/+) 13...Rc8 14.Bd2 Nc6 (14...Bc6 15.Qd1-+) 15.Nb5 (15.Bg5 h6 16.Bf6 Bf6-/+) 15...Nb4! 16.Nc7 (16.cb4 Qc2 Pinning (16...Qc2 Deflection; 16...Qc2 Clearance)) 16...Nc2 17.Bc2 Rc7 18.Ne5 Bb5 19.Bb3 Nd7 20.c4 Ba6 21.Bf4 Bb4 22.Ke2 Ne5 23.Be5? (better is 23.Ra6!? ba6 24.Be5-/+) 23...Bc4-+ 24.Ke3 Rc6 (24...Bb3?! 25.Bc7 Bd5 26.Rhb1-/+) 25.Bc4 Rc4 26.Rab1 a5 0–1. Van Dijck,B – Weemaes,Ronald (2330), Gent op, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4)

    7.Na3 Nf6 8.c3 Be7 9.Nb5= Qd8 10.Ra7 Ra7 11.Na7 Bd7 12.Qb3 Qc7 13.Nb5 Qf4 14.Qc2+= 0-0 15.d4 Qe4 16.Qe4 Ne4 17.Bd3 f5 18.Bd2 Nd2 19.Kd2 Nc6 20.Re1 Rc8 21.h4 h6 22.h5 Kf7 23.Ra1 Kf6 24.Be2 Kf7 25.g3 Be8 26.Nh4 Kf6 27.f4 Kf7 28.Ng6+/- Kf6 29.Ne7 Ke7 30.Ke3 Bd7 31.c4 Rg8 32.Bf3 g5 33.c5 gf4 34.gf4 Rg3 35.Kf2 Rg8 36.Rb1 Ra8 37.Nd6 Nd4 38.Bb7 Ra5 39.Rd1+= Nc6 40.Rc1 Nb4 41.Ke3 Bc6 42.Bc6 Nc6 43.Rc3 Kf6 44.Kd3 Ra4 45.Rc4 Ra3 46.Rc3 Ra4 47.Ke3= Ra5 48.Kf3 Nd4 49.Ke3 Nc6= ½–½. rjamesx (2110) – gregorgysi (2025), net–chess.com, 2009.

    7.Bb2 Nf6 8.Bd3 Nc6 9.0-0 0-0 10.Re1 Bd6 11.Nc3 Qh5 12.Ne4 Ne4 13.Re4 f5 14.Rh4 Qg6 15.Raa4 e5 16.Rag4 Qg4 17.Rg4 fg4 18.Bc4 Kh8 19.Ng5 Bf5 20.h3? (better is 20.Nf7 Rf7 21.Bf7+=) 20...Bc5 21.d4 (21.Nf7 Rf7! 22.Bf7 Rf8 23.hg4 Rf7 24.gf5 Rf5-/+) 21...Nd4 (21...ed4?! 22.hg4 Ne5 23.Be2-/+) 22.hg4 Bg6 23.Nh3 (23.Bd4 Bd4 (23...ed4?! 24.Ne6 Rfc8 25.Nc5 Rc5 26.Qd4-/+) 24.Nf3 Rad8-+) 23...Rad8 24.Qe1 e4 25.Kh1 Nc2 26.Qc3 Nd4 27.Qe3 Nf3 28.Qc1 Nd4 29.Nf4?? (29.Qe3 Rf6 30.Qg5-+) 29...Rd6-+ 30.Qe3? (30.Bf7 Bf7 31.Qc5-+) 30...Nf3 31.Ng6 Rg6 32.Qc5 Ng5 (32...Ng5 33.Qf8) 0–1. Cristobal,Ruben (2225) – Loiterstein,Mariano, Mar del Plata op, 1990. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.ed5 Qd5 6.ab4 Bb4)

    7.Bb2 Nf6 8.Be2 Nc6 9.0-0 0-0 10.c4 Qd8 11.d4 b6 12.Nbd2 Bb7 13.Qc2 Rc8 14.Rfd1 Na5 15.Ne5 Qc7 16.Ba3 Ba3 17.Ra3 Rfd8 18.Nb3 Be4 19.Qb2 Nc6 (19...Nb3!? 20.Qb3 Nd7-/+) 20.f3= Bg6 21.Nc6 Qc6 22.Ra7 h5 (22...Ra8 23.Rda1=) 23.c5 (23.Rda1 Ra8+=) 23...Nd5 (23...bc5 24.Nc5 e5 25.Bb5=+) 24.Qc1 (24.Rda1 Rb8 25.R1a6 Rdc8=) 24…h4 0-1. Sarkar,J (2365) - Mitrabha,G (2445), PNWCC Opening Bl Sicilian, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 d5 5.ed5 Qd5 6.ab4 Bb4)

    7.Be2 Nc6 8.0-0 Nf6-/+ 9.c3 Be7 10.Na3 0-0 11.Nb5 Qd8 12.d4 Bd7 13.Qc2 a6 14.Na3 Rc8 15.Nc4 b5 16.Nce5 Nb4 17.Qb1 Nbd5 18.Bd2 Nc3 19.Bc3 Rc3 20.Ra6 b4 21.Nd7 Qd7-+ 22.Rd1 Nd5 23.Ne5 Qb7 24.Bd3 Nf4-+ (24...Nf4 25.Bf1 Rfc8-+) 0–1. gbsr (1990) – gregorgysi (1940), net–chess.com, 2009.

    7.c3 Be7

    8.Na3 Ba3 9.Ba3+= Nc6 10.Be2 Nge7 11.0-0 0-0 12.d4 Rd8 13.Bd3 Ng6 14.Re1 b6 (14...Qh5 15.Bc1+=) 15.Qc2 (better is 15.Be4!? Qd7 16.Ng5+=) 15...Bb7+= 16.c4 (16.Bc1!?+=) 16...Qh5-/+ (16...Nd4?! 17.cd5 Nc2 18.Bc2 Bd5 19.Bg6 Bf3 20.Bh7 Kh7 21.gf3=) 17.Qc3 (17.Rad1 Nf4 18.Bf1 Qg4-+) 17...Nf4 18.Be4 f5 (better is 18...Qg4 19.Ne5 Ne5 20.Bb7 Rab8 21.de5 Rb7-+) 19.d5?? (better is 19.Bc6 Bc6 20.Ne5+=) 19...Qg4-+ 20.g3 fe4 21.dc6 Bc6 (21...Qf3?! 22.Qf3 ef3 23.cb7 Nh3 24.Kf1-/+; 21...ef3?! 22.cb7 Rab8 23.Qe3 Nh3 24.Kh1-+) 22.Nh4 Ne2 23.Re2 Qe2 24.Bb2 (24.Ng2 Rd3 25.Qe1 Qe1 26.Ne1 Rc3-+) 24...Rd1 25.Rd1 Qd1 26.Kg2 Qd7 (26...e3!? 27.f3 Qd2 28.Kh3 Qc3 29.Bc3-+) 27.Kf1 (27.Qe5 Bb7-+) 27...Rd8 28.Ng2 (28.Qe5-+) 28...Qd3 29.Ke1 Qd1# 0–1. Kjoita,H (1840) – Hauge,Lars Oskar (1990), Norsk Open A, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Bd7 9.d4 Nf6 10.Bd3 0-0 11.0-0 h6 12.Re1=+ Rc8 13.c4 Qa5 14.c5 Qd8 15.Nc4 Bc6 16.Nfe5 Bd5 17.Nb6= ab6 18.Ra8 bc5 19.dc5 Bc5 20.Ba3 b6 21.Ra7 Nfd7 22.Nd7 Nd7 23.Bc5 bc5 24.Be4 Ra8 ½–½. Kuna,Heiko (2360) – Tomek,Daniel (2410), RSS7E pro–110, 2010.

    8.Na3 Bd7 9.Be2 Bc6 10.0-0 Nf6 11.Nc4 b6 12.Nce5 (12.Ne3 Qd8=+) 12...0-0 13.d4 (13.Bc4 Qd8=+) 13...b5-/+ 14.Re1 a6 (14...a5 15.c4 bc4 16.Bc4=+) 15.Bg5 (15.c4!? bc4 16.Bc4=) 15...Qd8 (15...Rd8 16.Ra5=+) 16.Nc6 (16.Bd3 Qc7=+) 16...Nc6 17.Bd3 (17.Bf6 Bf6 18.Bd3 Qd6=+) 17...Nd5-/+ Black prepares the advance b4 18.Bd2 (18.Be7 Qe7 19.Qc2 h6-/+) 18...Bf6 (18...Qd6 19.Qe2-/+) 19.Qc2=+ g6 20.h4 (20.Be4 Qd6=+) 20...Rc8 (20...Bh4 21.Nh4 Qh4 22.Be4-+) 21.Qb1 (21.Qb3 Qb6-/+) 21...b4 (21...Nb8 22.Rc1-/+) 22.c4 (22.cb4 Nd4 23.Ne5 Nc3 24.Bc3 Rc3 25.Ba6 Be5 26.Re5 Rb3-/+) 22...Nc3 (22...Nc7 23.h5 Nd4 24.Nd4 Qd4 25.Bb4-+) 23.Bc3-/+ bc3 24.h5 (24.d5 c2 25.Bc2 Rb8 26.dc6 Rb1 27.Rab1 Qa5-+ (27...Bh4?! 28.Red1 Qe7 29.Rb7 Bf2 30.Kf2 Qc5 31.Kg3 Qc6 32.Rdd7-/+)) 24...Nd4 25.Nd4 Bd4 26.hg6 (26.Ra6 Qh4 27.Qc2 Qh5 28.Be2-+) 26...fg6 27.Ra2 (27.Rf1 Qh4 28.Qe1 Rc5-+) 27...Rb8 28.Qd1 Rb2 29.Rb2 cb2 30.Re2 Qf6 (30...Bf2 31.Rf2 Qd4 32.Qe2 Rf2 33.Qf2 Qd3 34.Qb2 Qc4 35.Qb8 Kg7 36.Qb2 Kh6 37.Qe5-+) 31.Qf1 (31.Qe1 a5!-+) 31...a5 32.Bb1 a4 33.c5 (33.Qe1 a3-+) 33...Bc5 34.Ba2 Kg7 35.Rc2 Bd4 36.Qe2 Qf2! 37.Qf2 Rf2 (37...Bf2 38.Rf2 Rb8 39.Rf1-+) 38.Rf2 h5 39.Kf1 Bf2 40.Kf2 g5 41.Ke3 Kf6 42.Ke4 h4 43.Bb1 (43.Kf3 a3 44.Kg4 e5-+) 43...a3 (43...g4 44.Kf4 h3 45.gh3 gh3 46.Kg3-+) 44.Ba2 (44.Kf3 Ke5 45.Kg4 Kd4 46.Kg5 Kc3-+) 44...g4 45.Kf4 h3 46.gh3 gh3 47.Kg3 Ke5 48.Kh3 Kd4 49.Kg4 Ke5 (49...Ke5 50.Kh3 Ke4-+) 0–1. Rusan,Paul_Cristian – Cvetkovic,Srdjan, 9th Arad Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Bd7 9.Be2 Nf6 10.0-0 Bc6 11.Nc4 Qd8 12.Bb2 0-0 13.d4 Nbd7 14.Ne3 a5 15.c4 Be4 16.Nd2 Bg6 17.c5 Qc7 18.Bf3 Ra7 19.Ndc4 Be4 20.Bc3 (20.Be4 Ne4 21.Qc2 Nef6=) 20...Bf3 21.Qf3 a4 22.Rfb1 The backward pawn on b7 becomes a target 22...Rfa8 23.Na3 (23.Nb6 Nb6 24.cb6 Qc3 25.ba7 Ra7 26.Rc1 Qd4 27.Rc8 Bf8 28.Rd1+=) 23...Qc6-/+ 24.Qd1 (24.Nb5 Ra6-/+) 24...b6-+ 25.Nb5 Ra6 26.cb6 Nb6 27.Ng4 Ng4 28.Qg4 Nd5 29.Bd2 Rb6 30.Bh6 (30.Qe2-+) 30...g6 31.Qe2 Rab8 32.Rc1 (32.Qe5 f6 33.Qe1 Rb5 34.Rb5 Rb5 35.Ra4 Rb2-+) 32...Qb5 33.Qe5 (33.Qb5 Rb5 34.Ra4 Rb1-+) 33...Bf6 34.Qe1 Bd4 0–1. Aufmwasser,Guenter (1775) – Pernutz,Hans Gerhard (2200), Seefeld op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Qd8 9.d4 Nf6 10.Nb5 Nc6 11.Bc4 a6 12.d5 (12.Bd3!?-/+) 12...ed5-+ (12...ab5 13.Ra8 bc4 14.dc6 Qd1 15.Kd1+=; 12...Nd5?! 13.Bd5 ed5 14.Bf4-/+) 13.Bd5 Nd5 14.Qd5 0-0 15.Qd8 Rd8 16.Nc7 Rb8 17.Bf4 Bd6 18.Bd6 Rd6 19.Rd1 Rd1 20.Kd1 Bg4 21.Kc2 Rd8 22.Nd2 Bf5 23.Kc1 (23.Kd1 Ne5 24.Re1 Ng4-+) 23...Ne5 24.Rf1 Rd3 25.Nb1 Rd7 26.Na8 Nd3 27.Kc2 b5 28.f3 (28.Kb3 Be6 29.Kc2 Nc5-+) 28...Ne5 29.Kb3 Nc4 30.Kb4 (30.Re1 Be6 31.f4 Kf8-+) 30...Ra7 31.g4 Bb1 (31...Bb1 32.Nb6 Nb6 33.Rb1 Nd5 34.Ka5 Nc3-+; 31...Ra8?! 32.gf5 Ne3 33.Rc1-+) 0–1. Kottke,Markus (2230) – Heissler,Jakob (2445), BL2–Nord, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Qd8 9.d4 Nf6 10.Bd3 0-0 11.0-0 Nc6 12.Qc2 b6 13.Ne5 Bb7 14.Bf4 Rc8 15.Nb5 (better is 15.Nac4!?+=) 15...Nb4!-/+ 16.Qb1 (16.cb4 Nd5) 16...Qd5 17.f3 Rc3! 18.Nc3 Qd4 19.Kh1 Qf4 (19...Qc3 20.Ra7 Qc8 21.Rc1=) 20.Re1?? (better is 20.Nc4 Nd3 21.Qd3-+) 20...Bd6 (20...Nd3?! 21.Nd3 Qb8 22.Qb2-+) 21.Ra7 Be5 (21...Be5 22.Re5 Qe5-+) 0–1. Amores Gago,Javier (2060) – Cruz,Cr (2500), 80th Anniversary Mollet IM, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Qd8 9.d4 Nf6 10.Be2 0-0 11.0-0 Nc6 12.Nc4 Nd5 13.Qb3 b6 14.Nfe5 Bb7 15.Bf3 Qc7 16.Nc6 Bc6 17.Ne5 Bb7 18.Bb2 Nf4 19.c4 Bd6 20.c5 Be5 21.cb6 (21.de5 Bf3 22.Qf3 Nd5 23.cb6 ab6-/+) 21...ab6 (21...Qb6!? 22.Qb6 ab6 23.de5 Bf3 24.gf3 b5-+) 22.de5-/+ Ra1 23.Ra1 Bf3 24.Qf3 Nd5 25.h3 Qb7 26.Ra4 Ra8 27.Rh4 Qe7 28.Qe4 h6 29.Bc3 Qg5 30.Kh2 Rc8 31.Bd4 b5 32.Rg4 Qf5 33.Qe2 b4 34.Qb5 g5 35.Qb7 Rf8 36.Rg3 Kh7 37.Bc5 Rg8-/+ 38.Bb4 Nb4 39.Qb4 Qe5 40.Qb1 Rg6 41.Qb7 Rf6-/+ 42.Qb1 Kg7 43.Kg1 Qe2 44.Qf1 Qb2 45.Re3 Rf4 46.Re1 Qf6 47.Qe2 Ra4 48.Qe5 Ra2 49.Qf6 Kf6 50.Kf1 h5 51.Rb1 Kf5 52.Rb8 e5 53.Re8 e4 54.Re7 f6 55.Re8 Ra1 56.Ke2 Rg1 57.g3 Ra1 58.Rh8 Ra2 59.Ke3 Ra3 60.Ke2 h4! 61.gh4 Rh3 62.h5 g4 63.h6 Rh4 64.h7 Kg6 ½–½. Hamann,Carsten – Just,Stefan, Schleswig Holstein–ch qaul, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Nf6 9.Nb5= Qd8 10.d4 0-0 11.Bd3 Nc6 12.0-0 b6 13.Re1 Bb7-/+ 14.Qc2 h6 15.Ne5 a6 16.Na3 Ne5 17.de5 Qd5 18.f3 Qc5 19.Be3=+ Qe5 20.Nc4 Qh5 21.Bb6 Bc5 22.Bc5 Qc5 23.Kh1 Bd5 24.Re5 Qc7-+ 25.Qe2 Rfc8 26.Ra4? Qc6 27.Rb4?? a5 28.Rb6 Qc7 29.Rd5 Nd5 30.Qe4 Nb6 31.Qh7 Kf8 32.Ne5 Qc3 (32...Qc3 33.g3 Qe5-+) 0–1. Naff,W – Krom,J, Midwest Masters op (2), 1989.

    8.d4 Nf6 9.Bd3 0-0 10.0-0 (10.c4 Qd7=) 10...Nc6 11.Bf4 (11.c4 Qd7 12.Bb2 g6=) 11...b6 (11...Qh5 12.Na3=+) 12.Na3= Qd8 (12...Bb7 13.h3=) 13.Nb5 (13.Qb3 Bb7=) 13...Nd5=+ 14.Bg3 (14.Qd2 Bb7 15.Na3 Rc8-/+) 14...Bb7 15.c4 (15.Qb1 f5 16.h3 Qd7-/+) 15...Ndb4-/+ 16.Be4 Qd7 (16...a6!? 17.Nc3 f5 18.Bc6 Bc6-/+) 17.Re1 (17.Qe2 a6 18.Nc3 f5 19.Bc6 Nc6=) 17...Rfc8 (17...f5 18.Ne5 Qc8 19.Nc6 Nc6 20.Bb1=) 18.d5 ed5 19.Bd5 (19.cd5!? Na5 20.d6=) 19...Rd8 (19...Nd5!? 20.cd5 Na5=+) 20.Bc7= Bf6 21.Bd8 Ba1 (better 21...Rd8 22.Ra3 g6=) 22.Bc7?? (better 22.Re7! Qd8 23.Bf7 (23.Rb7?! Nd5 24.Qd5 Qd5 25.cd5 Rd8=) 23...Kf8 24.Re8 Kf7 25.Rd8 Rd8 26.Qa1+-) 22...Bf6 (worse 22...Nd5 23.Qd5 (worse 23.cd5 Nb4 24.d6 Bf6-+) 23...Qc8 24.Ra1+-) 23.Qe2 (23.Be4 Qd1 24.Rd1 Na5 25.Bb7 Nb7-/+) 23...g6 (worse 23...Nd5 24.cd5 Nb4 25.d6-/+) 24.Qe4? (better 24.Bg3-/+) 24...a6-+ 25.Bb6? (25.Bd6 Nd5 26.cd5 ab5 27.dc6 Qc6 28.Qc6 Bc6 29.Ne5-+) 25...ab5 26.cb5 (26.h3 Bg7-+) 26...Qd5 27.Qd5 Nd5 28.bc6 Bc6 (worse 28...Nb6 29.cb7 Rb8 30.g3-+) 29.Bd4 Bd4 (29...Be7 30.Rc1 Bd7 31.g3-+) 30.Nd4 Re8 (30...Bd7 31.h3-+) 31.Rc1 (31.Ra1 Bd7-+) 31...Nb4 (31...Bd7 32.h3-+) 32.Nc6 Nc6 33.g3 (33.g4 Nd4 34.Kg2 Kg7-+) 33...Re6 (33...Nd4 34.Rd1 Rd8 35.Kg2-+) 34.Kg2 Kf8 (34...Kg7 35.g4-+) 35.Rb1 (35.g4 Ke7-+) 35...Ke7 36.Rb7 Kf6 37.Rd7 (37.Rc7 Nd4-+) 37…h5 0–1. Nesterenko,Kyrylo – Anand,Batsukh (1705), World Cadets Championship U8, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.d4 Nf6 9.Bd3 Nc6 10.0-0 Qh5 11.Be2 Qf5 12.c4 0-0 13.Nc3 e5 14.d5 Nd4 (14...Nb4!?=) 15.Nd4+= ed4 16.Qd4 Bd6 17.f4 (17.Ra7? Be5 18.Qe3 Ra7 19.Qa7 Bc3-+) 17...b6 18.Ba3 Ba3 19.Ra3 Bd7 20.Bd3 Qh5 21.Ne4 Ne4 22.Be4 Rfe8 23.Rg3 (23.d6!? Re4 24.Qe4 Qc5 25.Kh1+/-) 23...g6 24.f5 Qh4? (better is 24...Rac8+/-) 25.fg6+- fg6 26.Rf7! Kf7 (26...Kf7 27.Bg6 Double attack) 27.Bg6! hg6 28.Qh4 Bf5 29.Rf3 Kg7 30.g4 Re4 31.Rf5 gf5 32.Qg5 Kh8 33.Qf5 Rae8? 34.d6 Re1 35.Kf2 R8e3 36.Qf6 Kg8 37.Qg5 Kf7 38.Qh4 Kg6? 39.Qh5 Kg7 40.g5 R3e2 41.Kf3 Re6 42.Kf2 R1e4?? 43.Qd1+- Rf4 44.Kg3 Rf8 45.Qd4 Kg6 46.h4 Rd8 47.d7 Kf7 48.h5 Ke7 49.g6 Rd7 50.Qg7 Kd6 51.Qf8 Rde7 52.g7 Re3 53.Kg4 R3e4 54.Kg5 R4e5 55.Kg6 R5e6 56.Qf6 Re8 57.h6 Rf6 58.Kf6 a5 59.h7 Re6 60.Kf5 Re5 61.Kf4 (61.Kf4 Rh5 62.g8Q+-) 1–0. Farkas,Gabor (2295) – Balogh,Marian (2255), SVK–chT, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.ed5 Qd5 6.ab4 Bb4 7.c3 Be7)

    8.d4 Nf6 9.Bd3 Qd8 10.0-0 Bd7 11.Nbd2 Bc6 12.Ne5 0-0 13.Ndf3 b6 14.Qe2 a5 15.Ng5 Qd5 16.f3 b5 17.Ne4 (17.Bf4!? h6 18.Ngf7 Rf7 19.Nf7 Kf7 20.Bb8 Rb8 21.Ra5+=) 17...b4+= 18.Bb2 Qd8?? (18...bc3 19.Bc3 Ra7 20.Rfb1=) 19.cb4 (better is 19.Nf6 Bf6 20.Nc6 Nc6 21.Qe4=) 19...ab4+= 20.Nf6 Bf6 21.Qc2 Qb6 22.Ra8 (worse is 22.Nc6 Nc6 (22...Qc6?! 23.Ra8 Qa8 24.Bh7 Kh8 25.Qc5=) 23.Kh1 Nd4 24.Bh7 Kh8 25.Bd4 Bd4 26.Ra8 Ra8-+) 22...Ba8 23.Qc5? (better is 23.Bh7!? Kh8 24.Re1=) 23...Qc5-/+ 24.dc5 Nc6 25.Nc4 Bb2 26.Nb2 Rd8 27.Be4 f5 28.Bc6 Bc6 29.Rd1 Rd1-+ 30.Nd1 Kf7 31.Kf2 e5 32.Ke3 Ke6 33.g3? Kd5 34.Nb2 Bb5 35.h4 Kc5 36.f4 e4 37.g4 g6 38.h5 fg4 39.hg6 hg6 40.Ke4 g3 41.Kf3 g2! 42.Kg2 Kd4 43.Kf3 Bd3 44.Nd1 b3 45.Nb2 Bb5 46.Kf2 Kc3 47.Nd1 Kc2 48.Ke1 b2 (48...b2 49.Nb2 Kb2-+) 0–1. Kliebe,Harry – Schmitt,Karl, Bayern–chI Bank Hofmann 1st, 1997. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.ed5 Qd5 6.ab4 Bb4 7.c3 Be7)

    8.Na3 Nc6

    9.Nc4 Rb8 10.Ne3 Qd8 11.Bb5 Bd7 12.Bc6= Bc6 13.Ne5 Qc7 14.Nc6 Qc6 15.Qg4 Nf6 16.Qg7= Rg8 17.Qh6 a6 18.Ba3 Rd8 19.Be7 Ke7 20.f3 Qd6 21.d4 Qc7 22.Rc1 Qa5 23.0-0 Qg5 24.Qg5 Rg5 25.f4 Ra5 26.f5 Nd5 27.Nd5 Rdd5 28.fe6 fe6 29.Rf4 Rf5 30.Re4 Ra2 31.Rce1 Rff2 32.Re6 Kd7 33.Re7 Kd6 34.Rg7 Rfc2 35.Rh7 Rg2 36.Kh1 Rgc2 37.Rb7 ½–½. Haub,Thorsten Michael (2295) – Gupta,Milon (2230), BL2–W9293 Germany, 1993.

    9.Nc4 Qd8 10.d4 Nf6 11.Bd3 Nd5 12.Bd2 0-0 13.Nfe5 Ne5 14.Ne5 Re8 (14...Bd6 15.0-0=+) 15.0-0 Bf6 (15...Nf6 16.Re1=) 16.Re1 (16.Qh5 g6 17.Qf3 Qc7+=) 16...g6 (16...Be5 17.de5 Ne7 18.Qc2=) 17.Qf3+= Be5 18.Re5 f6 19.Ree1 Qe7 (19...Kg7 20.c4 Ne7 21.Be4+=) 20.c4+- Nc7 21.Bf4 Rf8 (21...Rd8 22.Bc7 Qc7 23.Qf6+-) 22.Qg3+- Ne8 23.h4 (23.Be4 Qd7 24.Red1 Ng7+-) 23...Bd7 (23...Qd7 24.h5 g5 25.Be3+=) 24.h5 g5 25.Rab1 (25.Be4 Qb4 26.Rab1 Qc4 27.Rb7 Qd4 28.Qg4+-) 25...Bc6? (better 25...Bc8+=) 26.d5!+- Kh8 (26...ed5 27.Re7 Pinning (27.Re7 Deflection)) 27.Bd2 (27.dc6?! gf4 28.Rb7 Nc7+-) 27...Ba4 (27...Qf7 28.Bb4 Rg8 29.Re6 Ng7+-) 28.Bb4 (28.Re6?! Qd7+-) 28...Qg7 29.Bf8 Qf8 30.Rb7 f5 (30...Kg8 31.h6 Rd8 32.Qe3+-) 31.Re6 (31.Re6 Rc8 32.Qe5 Kg8 33.Bf5+-) 1–0. marekt (2060) – timedelay22 (1710), gameknot.com, 2014. (=1.b4 c5 2.e4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.d4 Nf6 10.Bc4 Qd8 11.0-0 0-0 12.Nc2 Bd7 13.Ne3 Re8 14.Re1 Bf8 15.h3 Qc7 16.Bd2 Ne7 17.Ne5 Ned5 18.Nd5 ed5 19.Bd3 Bd6 20.Nd7 Re1 (worse is 20...Nd7 21.Re8 Re8 22.Ra7+=; 20...Qd7?! 21.Re8 Qe8 22.Qb3+=) 21.Be1 Qd7 22.c4 dc4 23.Bc4 b5 24.Qf3 Rc8 25.Bd3 Rb8 26.Rc1 b4 27.g4 h6 (27...a5!? 28.g5 Nd5 29.Bf5-+) 28.Bd2-/+ b3 29.Bh6 b2 30.Rb1 gh6 31.Qf6 Qe6 32.Qf3 Kg7 33.Kf1 Qf6 34.Qe4 Qg6 35.Qe2 Qe6 (35...Qg5!?+=) 36.Rb2= Qe2 37.Re2 (37.Ke2?? Rb2 38.Kf3 a5-+) 37...Rb4 38.d5 a5 39.f3 Rd4 40.Be4 ½–½. Jensen,Arne Roger (1955) – Andersen,Per Oskar (1935), NOR–chT east, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6)

    9.Nb5 Qd8

    10.Qa4 Nf6-/+ 11.Be2 0-0 12.0-0 e5 13.d4 ed4 14.cd4 Nd5 15.Bd2 Be6 16.Ne5 Bf6 17.Nc6-/+ bc6 18.Na7 Qb6 19.Qa6 Bd4-+ 20.Qb6 Nb6 21.Ra5 Nc4 22.Bc4 Bc4 23.Rc1 Ba7 24.Rc4 Rfd8 25.Rc2 Rd5 26.Raa2 Rb8 27.g3 Bc5 28.Ra5 Bf8 29.Rd5 cd5 30.Rc7 Rd8 31.Kf1 Bd6 32.Rb7 Bc5 33.Rb5 Rc8 34.Ke2 h6 35.Bb4 Bb4 36.Rb4 Rc2 37.Ke3=+ g5 38.Rd4 Rc5-/+ 39.Rd2 Kg7 40.Kd4=+ Ra5 41.Ke5 Kg6 42.Rd5 Ra2 43.Rd6 Kg7 44.f4 gf4 45.Kf4 Rh2 46.Kg4 Ra2 47.Rd4 Ra5 48.Rd6 Rb5 49.Rc6 Re5 50.Rb6 Re6 51.Rb8 Kf6 52.Rh8 Kg7 53.Rb8 Re5 54.Rb6 f6 55.Rb8 Rg5 56.Kh4 Kg6 57.Rg8 Kf5 58.Rh8 Rg4 59.Kh3 Rg6 60.Ra8 Rg5 61.Ra4 Kg6 62.Ra8 Rh5 63.Kg4 Rc5 64.Rg8 Kf7 65.Rh8 Rg5 66.Kh4=+ Kg6 67.Rg8 Kf5 68.Rh8 Rg6 69.Ra8 Rg4 70.Kh3 Kg5?? 71.Rg8+- Kf5 72.Rh8 (< 72.Rg4 h5 73.Rg7 Ke5+-) ½–½. Akhmetov,Ar (2465) – Simonov,S (2295), Inautomarket Open, 2007.

    10.d4 Nf6

    11.Bd3 a6 12.0-0 Bd7 13.Na3 Rc8 14.c4 Nb4 15.Bb1 b5 16.cb5 ab5 17.Ne5 Nbd5 18.Bd3 b4 19.Nac4 Nc3 20.Qf3 Bb5 21.Qg3 g6 22.Nf7? Kf7-+ 23.Bg6 hg6 24.Ne5 Kf8 25.Qg6 Qe8 26.Bh6 Rh6! 27.Qh6 Kg8 28.Qg5 Kh7 29.Ra7 Nd7 30.Qg4 Bf6 31.Re1 Be5 32.de5 Rc4 33.Qg5 Rd4 34.h3 Qg6 35.Qe7 Qg7 36.Qe6 Bc6?? 37.Qc6+- 1–0. Lutz,Klaus Juergen – Doery,Jeno (2300), Wiesbaden op (9), 1988.

    11.Bd3 0-0

    12.0-0 b6 13.c4 Bb7-/+ 14.Bb2 a6 15.Nc3 Rc8 (worse is 15...Nd4 16.Nd4 Qc7 17.Re1+/-) 16.Bb1 (better is 16.Be2!?-/+) 16...Na5-+ 17.Ra5 ba5 18.Ne5 Nd7 19.Qd3 g6 20.Ng4 f5 21.Nh6? (21.Ne3-+) 21...Kg7 22.Qe3 Bg5 23.Qe6 Kh6 24.f4 (24.c5 Re8 25.Qb3 Rb8-+) 24...Bf6 25.g4 Bd4 (25...Bd4 26.Rf2 Re8 27.g5 Kh5 28.Bf5 Re6 29.Be6 Bf2 30.Kf1 Qb6-+) 0–1. Woods,Connor (1880) – Kaphle,Stephan (2135), EU–chT U18 8th, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    12.0-0 b6 13.Qe2 Bb7 14.Rd1 a6 15.Na3 b5 16.c4 Nb4 (16...Nd4 17.Nd4 b4 18.Nac2+/-) 17.Bb1 bc4 18.Nc4 Rc8 19.Nfe5 Nbd5 20.Rd3 Nb6 21.Rg3 (better is 21.Rd1!?-/+) 21...Nc4-+ (21...Qd4?! 22.Bb2 Qd8 23.Nb6 Qb6 24.Nd7=) 22.Bh6 (22.Nc4 Qd4 23.Ra4 Bd5-+) 22...g6 (better is 22...Qd4 23.Rg7 Kh8-+) 23.Ng6?? (better is 23.Nc4 Qd4 24.Ra4-+) 23...hg6 24.Bg6 fg6 25.Qe6 Kh7 26.Bg5 (26.Rh3 Nh5 27.Bf8 Qf8 28.g4-+) 26...Qd5 (better is 26...Kg7-+) 27.Rh3= Nh5 28.Rh5 gh5 29.Qh6 Kg8 30.Qg6 Kh8 ½–½. Kappelt,Joerg (2140) – Tuschinske,Matthias (2125), NRW–ch Muelheim, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    12.0-0 b6 13.Ne5 Bb7 14.c4 a6-/+ 15.Nc6 Bc6 16.Nc3 b5 17.Be3 bc4 18.Bc4 a5 19.f4 Bb4 20.Ne2 Bd5 21.Bd3 Be4 22.Be4-/+ Ne4 23.f5 ef5 24.Rf5 Qd7 25.Rf4 Rae8 26.Rc1 Nf6 27.Rf6 Re3 28.Rf1 Rfe8 29.Ng3 g6 30.d5 R3e5 31.d6 Qd6 32.Qg4 Qb6 33.Kh1 Qe6 34.Qf3 Qd5 35.Qf6 Be7 36.Qa6 Bh4 37.Rcd1 Qe6 38.Rd6 Qe7 39.Qb6 Bg3 40.hg3 Rh5 41.Kg1 Re5 42.Rdf6?? Rf8 43.Qb3 Qc5 44.R6f2 Re3 45.Qb7 Rg3 46.Kh2 Rg5 47.Rf7 Rh5 (47...Rh5 48.Kg3 Qg5 49.Kf3 Rf7 50.Qf7 Kf7-+) 0–1. Simensen,A – Stigar,Petter (2290), Namses op, 1995.

    12.Qc2 h6 13.0-0 a6 14.Re1 (14.Ba3 b6 (14...ab5? 15.Be7 Qe7 16.Ra8+-) 15.Be7 Ne7-/+) 14...Bd7 15.Na3 Rc8 (15...b5 16.Bd2-/+) 16.Nc4 (16.Qb2 b5=+) 16...b5-/+ 17.Nce5 Nb4! 18.Qd2 (18.cb4 Rc2 Pinning (18...Rc2 Deflection; 18...Rc2 Clearance)) 18...Nd3 19.Qd3 Qb6 20.Ba3 Ba3 21.Ra3 Bc6 22.Nc6 Rc6 23.Ne5 Rd6 24.Rea1 Qb7 25.c4 (25.Qg3 Rfd8=+) 25...Rfd8 26.cb5 (better 26.Nf3!?-/+) 26...Rd4-+ (26...ab5 27.Ra7 Qb6 28.Nf7 Rd4 29.Nh6 Kf8 30.Rf7 Ke8 31.Qe2=) 27.Qb3 (27.Qf1 Qb5 28.Ra5 Qf1 29.Kf1 Rd1 30.Ke2 Ra1 31.Ra1 Ra8-+) 27...Qb5 28.Qb5 ab5 29.Kf1 (29.h3 R4d5 30.Ra8 Ne4-+ (30...Re5 31.Rd8 Kh7 32.Rf8+=)) 29...Rd1 (29...b4 30.Ra7-+) 30.Ke2 (30.Rd1 Rd1 31.Ke2 Rd8-+) 30...Ra1 31.Ra1 Nd5 32.Nd3 (32.Ra7 f6 33.Nc6 Rd6 34.Ne7 Ne7 35.Re7 b4-+) 32...b4 33.Ra7 (33.Nc5 Kh7-+) 33...Rb8 34.Kd2 g5 (34...b3 35.Ra1-+) 35.g3 (35.Kc2 Rc8 36.Kb2 f6-+) 35...Kg7 36.Kc2 Kf6 37.Kb3 (37.h3 h5-+) 37...Rc8 (37...g4 38.Nb2-+) 38.Ka4 (38.Kb2-+) 38...Rc3 39.Nb4 Rc4 40.Rb7 g4 (40...Ke5!? 41.Ka5 Nb4 42.Rf7 Nc6 43.Kb5-+) 41.Kb3 Rb4 42.Rb4 Nb4 43.Kb4 Ke5 44.Kc5 (44.Kc3 Ke4 45.Kd2 Kf3-+) 44…Ke4 0–1. Couture,Jonathan (1945) – Bolduc,S (2170), Varennes Open (4), 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8 9.c3 Be7 10.d4 Nf6)

    12.Bf4 a6 13.Bc7 Qd7 14.Bg3 Nd5 15.h4 (15.Qb1!? h6 16.0-0+=) 15...f5 (worse is 15...ab5 16.Ra8 Nc3 17.Qc2=) 16.c4 (16.h5!?-/+) 16...Bb4-+ 17.Kf1 Nc3 18.Qb3 Ne4 (worse is 18...ab5 19.Ra8 bc4 20.Bc4+/-) 19.Bf4 e5 (19...Ba5 20.Nd6 Nd6 21.d5-+) 20.c5? (better is 20.Be5!? Ne5 21.Be4 fe4 22.Ne5+=) 20...Kh8-+ 21.Be4 fe4 (21...ef4 22.Bc6 bc6 23.Nd6+/-) 22.Ne5 Ne5 (22...ab5? 23.Ra8 Ne5 24.Be5+- (worse is 24.Qb4 Rf4 25.de5 Qd3 26.Ke1 Rf8+/-; 24.de5?! Bc5 25.Be3 b6=); 22...Nd4?! 23.Qb4 Qb5 24.Qb5 Nb5 25.Be3-/+) 23.Nd6 (23.Be5 Qb5 24.Kg1-+) 23...Rf4 24.Qb4 Nd3 (better is 24...Rf2 25.Kf2 Nd3 26.Kf1 Nb4-+) 25.Qb6 (25.Qd2 Rf2 26.Qf2 Nf2 27.Kf2-+) 25...Rf2 26.Kg1 Rg2! 27.Kg2 Qg4 (27...Qg4 28.Kh2 Qh4 29.Kg1 Qf2) 0–1. Lamothe,Jean – Sursock,Sameer (2270), Novi Sad ol (Men), 1990. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8)

    12.h4 b6 (12...a6 13.Bg5-/+) 13.Bg5 (better 13.Bf4-/+) 13...Re8 (better 13...a6!?-/+) 14.Bf6 (14.Ne5 Ne5 15.de5 Nd5+-) 14...Bf6 15.Bh7? (15.Ng5 g6 16.Qf3=) 15...Kf8?? (15...Kh7 16.Ng5 Bg5 17.hg5 Kg8-/+) 16.Be4= Bb7 17.Ne5 (17.Ng5 Bg5 18.hg5 a6 19.Rh8 Ke7 20.Re8 Ke8=) 17...Be5 (17...Nd4!? 18.Qd4 Qd4 19.cd4 Be4 20.Nd7 Ke7 21.Nf6 Kf6= (worse 21...gf6 22.f3+-)) 18.de5+= Qd1 19.Rd1 Re7 20.Nd6 Na5 21.Nb7 ½–½. Delaney,K (2200) – Valdes Escobar,A (2380), Irish Easter IM, 2018. (=1.e4 c5 2.b4 d5 3.ed5 Qd5 4.Nf3 cb4 5.a3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 Nc6 9.Nb5 Qd8 10.d4 Nf6)

    5.Nf3 Nf6

    6.Bb2 Bg4 7.Be2 e6 (7...ba3 8.Na3 Nc6 9.Nb5=+) 8.0-0 (8.ab4!? Nc6 9.Bf6 gf6 10.Nc3=) 8...Nc6=+ 9.ab4 Bb4 10.c4 Qd7 11.d4 0-0 12.d5 ed5 13.Bf6 gf6 14.cd5 Ne7 15.h3 Bh5 16.Qa4 Qa4 17.Ra4 a5 18.g4 (18.Rd1 Rfd8 19.Bc4 Bf3 20.gf3 Rac8-+) 18...Bg6-+ 19.Bc4 (19.d6 Bd6 20.Rd4 Bb4-+) 19...Rac8 (19...Rfd8 20.d6 Rd6 21.Na3-+) 20.Bb3 (20.Rb4 ab4 21.Nbd2 Rfd8-+) 20...b5 (20...Rfd8 21.Rd1-+) 21.Ra1 (better 21.Rb4 ab4 22.Re1-+) 21...a4 22.Ba2 Rfd8 23.Nd4 Nd5 24.Nb5 Bd3 25.Rd1 Nf4 (25...Bb5!? 26.Bd5 Bc6 27.Rd4-+) 26.N1a3 Nh3 27.Kg2 Nf4 28.Kh2 Rb8 (better 28...f5 29.f3 fg4 30.fg4 Bb5 31.Bf7 Kf7 32.Nb5 Rd1 33.Rd1 Ne6-+) 29.Nc7?? (29.Bc4-+) 29...Ba3 30.Rac1 (30.Bf7 Kf7 31.Ra3-+) 30...Bc1 31.Rc1 0-1. Mukhina,Jana (2065) - Hejazipour,M (2300), Women's Speed Chess Q2, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    6.ab4 Nc6 7.c3 e5 8.b5 e4 9.bc6 ef3 10.cb7 Qe6 11.Qe2 Bb7 (worse is 11...fe2 12.ba8Q ef1N 13.Kf1+/-; 11...Qe2?! 12.Be2 Bb7 13.Bf3 Bf3 14.gf3=) 12.Qe6 fe6 13.Bb5 Kf7 14.g3 h5 15.0-0 (15.d4!?=) 15...h4 16.Re1 hg3 17.hg3 Bd6 18.Ra4 Rh5 19.Bc4 g5 20.Be6 Kg7 21.Bg4 Ng4 (21...Ng4 22.Rg4 Rah8-+) 0–1. Robertshaw,Andrew M – Astroem,Leif (2220), ICCF World Cup11 prel–99, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    6.ab4 Nc6 7.c4 Qe4 8.Be2 Nb4 9.Qa4 Nc6 10.Nc3 Qe6 (better 10...Qg4=) 11.d4+/- Qd7 12.d5 Nb8? (better 12...e6 13.dc6 Qc6 14.Qc6 bc6+-) 13.Nb5 Na6 (13...Kd8 14.Be3 Nd5 15.cd5 Na6+-) 14.0-0 (better 14.Ne5 Nc5 15.Qa3 Qb5 16.cb5+-) 14...Kd8 (better 14...Ne4!? 15.Be3 Kd8+-) 15.Ne5+- Qe8 16.Bf4 Nd7?? (better 16...e6 17.Nc6! bc6 18.Qa5 Ke7+-) 17.Nd3 (better 17.Qa5 Nb6 18.Na7+-) 17...g5? (better 17...e5!? 18.de6 Qe6+=) 18.Bg5+- Rg8? (18...Bg7 19.Nd6 Qg8 20.Bh5+-) 19.Be3 White prepares the advance c5 (better 19.Nd6 Rg5 20.Ne8 Ke8+-) 19...Nb6?? (better 19...b6+-) 20.Qa5 Rg6 (20...Bh3 21.Bb6 Kc8 22.Na7 Ra7 23.Nf4 Bg2 24.Ng2+- (24.Ba7?? Be4 25.Ng2 Rg2 26.Kh1 Qd7-+)) 21.c5 (better 21.Na7 Qd7 22.Ne5 Qc7 23.Ng6 Nd7 24.Qc7 Nc7 25.Nf8 Nf8+-) 21...Bh3 (21...Bh6 22.Ne5 (worse 22.cb6 Be3 23.fe3 ab6+-) 22...Rf6 23.Na7 Ra7 24.d6 ed6 25.Qb6 Ke7 26.cd6 Kf8 27.Qd4 Be3 28.fe3+-) 22.Bf3 (22.Nf4 Bg2 23.Ng2 Qd7+-) 22...Bg2 (22...Bh6 23.Bh6 (worse 23.cb6 Be3 24.fe3 ab6+-) 23...Qg8 24.Be3+-) 23.Bg2 Qd7 (23...Bh6 24.Ne5 Rg2 25.Kg2 Be3 26.fe3 Qg8 27.Kh3+-) 24.Nf4 Rg4 25.h3 Rg8 (25...Rg2 26.Ng2 Bg7 27.c6 bc6 28.Bb6 ab6 29.Qb6 Ke8 30.Ra6+-) 26.cb6 (26.Na7 Ke8 27.Qb6 e5 28.de6 fe6+-) 26...Bh6 (26...Bg7 27.ba7 Ke8 28.Rad1+-) 27.ba7 Ke8 28.Kh2 Kf8 (28...Bg7 29.Ra4 Be5 30.Rg1+-) 29.Qd2 (better 29.Ne6! fe6 30.Bh6 Ke8+-) 29...Bf4 30.Bf4 Qb5 31.Bg3 (31.Rfb1 Qd7 32.Ra6 f6+-) 31...Kg7 (31...Ra7 32.d6 e5+-) 32.Qg5 Kh8 (32...Kf8 33.Qh6 Ke8 34.Rfb1+-) 33.Qe7 Rg6 (33...Rg7 34.Be5 Qe8 35.Qe8 Re8 36.Rfb1 Re5 37.a8Q Rg8 38.Qb7+-) 34.Be5 (better 34.Qf7!? Qe2 35.Qb7 Qe8 36.Ra6 Ra6+-) 34...Kg8 35.Bf3 (better 35.Rfb1 Qc5 36.Rb7 Qe7 37.Re7 Kf8+-) 35...Qd3 (35...Nc5 36.Rfc1 Na6+-) 36.Bg2 (better 36.Qb7 Rf8 37.a8R+-) 36...Qf5?? (36...Qb5 37.Rfb1 Qc5 38.Rb7 Qe7 39.Re7 Kf8+-) 37.Bg3 h5 (37...Ra7 38.d6 Re6 39.d7+-) 38.h4 (better 38.Qb7 Ra7 39.Qa7 h4 40.Bh4 Qd3+-) 38...Qg4 (38...Ra7 39.d6 Kh7 40.d7+-) 39.Bh3 (better 39.Qb7 Ra7 40.Qa7+-) 39...Qd4 40.Rad1 (better 40.Bf5 Rg3 41.fg3 Qd2 42.Kh3+-) 40...Qc4 (40...Qa7 41.d6 Qb8+-) 41.d6 (better 41.Qb7 Ra7 42.Qa7 Qc5 43.Qa8 Qf8 44.Qf8 Kf8+-) 41...Qb4 42.Qe2 (42.Rfe1 Rg3 43.fg3 Nc5+-) 42...Kg7 (42...Qa5 43.d7 Qd8 44.Rc1 Rg3 45.fg3 Qd7 46.Bd7 Rc8 47.Rc8 Kg7 48.Qe5 Kg6 49.Qf6 Kh7 50.Bf5) 43.d7 Rd8 44.Qh5 Qe7 45.Qe5 (45.Rg1 Nc7 46.Be5 Qe5 47.Qe5 Kh7 48.Rg6 fg6 49.Qe7 Kh8 50.Qd8 Kg7 51.Qc7 Kh6 52.d8Q b5 53.Qg5) 45...Qe5 46.Be5 f6 47.Bg3 1-0. Mukhina,Jana (2065) - Koelle,Tobias (2275), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    6.ab4 e5 7.Nc3 Qe6 8.Nb5 Bd6 9.Bc4 (worse 9.Nd6 Qd6 10.b5 e4=) 9...Qe7 (9...Qc4 10.Nd6 Double attack (10.Nd6 Deflection; 10.Nd6 Decoy)) 10.Bb2 (10.Na7!? Na6 11.Nc8 Rc8 12.Bb5 Nd7 13.0-0+-) 10...0-0+= 11.Nd6 Qd6 12.Ne5 Nc6 13.f4 (13.Qe2!? b5 14.Bb5 Nb4 15.Ba4+-) 13...Ne5= (worse 13...Nb4 14.c3 b5 15.Bb5+- (15.cb4?! bc4 16.Qe2 Be6=+); 13...Qb4? 14.Ba3 Qb6 15.Bf8 Kf8 16.Qf3+- (16.Nf7 Qd4 17.Ra4 Bg4-+; 16.Bf7 Ne5 17.fe5 Bg4=)) 14.fe5 (14.Be5!? Qb4 15.Bd3=) 14...Qb4=+ 15.0-0? (better 15.ef6 Qb2 16.c3 Re8 17.Kf1-/+) 15...Qb2-+ (15...Qc4 16.ef6 Bg4 17.Qb1+=) 16.d4 Bg4 (better 16...Qb4 17.Qd3 Ng4-+) 17.Kh1?? (better 17.Qd3 Rfd8 18.ef6 Qd4 19.Qd4 Rd4 20.Bb3-/+) 17...Rfd8 (17...Bd1 18.Rad1 Ng4 19.Rf3 Qc2 20.Bb3-+) 18.c3 (18.Qb1 Qb1 (18...Qd4?! 19.Bf7 Kf7 20.ef6-+) 19.Rab1 Rd4-+) 18...b5 (better 18...Bd1 19.Rad1 Qc3-+) 19.Rb1 (19.Bf7 Kf7 20.Qe1-+) 19...Qa3 (better 19...Bd1 20.Rb2 bc4 21.ef6 Bb3-+) 20.Bf7-/+ Kf7?? (better 20...Kh8 21.Qe1 Qe7-/+) 21.ef6?? (better 21.Qg4 a6 22.ef6+-) 21...Rd6 (better 21...Bd1 22.fg7 Kg7 23.Rfd1 Qc3 24.Rb5 Rd4-+) 22.Qg4 Rc6 1–0. Newick,Conrad – McNabb,Harold, 55th NZL Championship Dunedin, 1948.

    6.ab4 Bg4 7.Nc3 Qd7 8.h3+= Bf3 9.Qf3 (worse 9.gf3 Nc6=+) 9...Nc6 10.Bb5 e6 11.Bc6 bc6 12.b5 Nd5 13.bc6 Qc6 14.Nd5 Qd5 15.Qd5 ed5 16.Ra5 d4 17.Bb2 (17.Ke2!?+/-) 17...Rb8= 18.Bc1 d3 (18...Rb7 19.Ke2 Bb4 20.Rd5+=) 19.cd3 Rb7 20.0-0 Bd6 21.Re1 Kd7 22.Ba3 Rc8 23.Kf1 Rc2 24.Ke2 Ra2 25.Bb4 Ra5 (25...Rb4 26.Ra2 Discovered attack; 25...Bb4 26.Ra2 Discovered attack) 26.Ba5 Kc6 27.d4 (27.Ra1 f6+=) 27...Kd5 28.Kd3 Rb3 29.Bc3 Ra3 (29...h6 30.Kc2 Rb7 31.Ra1=) 30.Re8 h5 31.g4 hg4 32.hg4 g6 33.f3 a5 (better 33...a6!?=) 34.Ra8+/- a4 35.Ra5 Kc6 36.Kc4 Ra2 37.Ra6 (37.Ra7!? Rc2 38.d5 Kb6 39.Rf7 g5+-) 37...Kd7 38.Kd5 Bf4 39.Ra7 Ke8 40.Bb4 f5? (better 40...Bg3+-) 41.gf5 gf5 42.Ke6 Kd8 43.Kf5 (43.d5 Kc8 44.d6 Bd6 45.Bd6 Rd2 46.Ra4 Kb7+-) 43...Bc7? (better 43...Bb8 44.Ra6 Kc7+-) 44.Ke6 Ra1 1-0. Shirazi,K (2355) - Vardanyan,Aras (2175), Euro Online +2300 Day, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    6.ab4 Bg4 7.Nc3 Qd8 8.Bc4 e6 9.0-0 (9.h3 Bf3 10.Qf3= (worse is 10.gf3 Bb4 11.Bb2 Nc6-/+)) 9...Bb4-/+ 10.Nb5 Nc6 11.c3 Be7 12.d4 a6 13.Na3 b5 14.Bd3 0-0 15.Nc2 Nd5 16.Bb2 Na5 17.Ne3 Ne3 18.fe3 Nc4 19.Bc1 Qd6 20.Qc2 g6 21.Bc4 bc4 (21...Bf3!? 22.Ba3 Qc7 23.Be7 Qe7 24.Rf3 bc4=) 22.Ba3 Qc7 23.Be7 Qe7 24.Ne5 Qg5 25.Qf2 f5 26.Nc4 Rac8 27.Nd2 Rc3 28.Ne4 (worse is 28.Ra6 Qe3 29.h3 Bh5-/+) 28...Qe3 29.Nc3 Qc3 30.Ra6 Qc4 31.Rfa1 Be2 (better is 31...Rd8!?+-) 32.Qe3 Re8 33.Ra7 Rd8 (33...e5 34.Kh1 Bf1 35.de5 Qe2 36.Qb3 Kh8+-) 34.R1a4 f4 35.Qf4 (35.Rc4?! fe3 36.Rc3 Bg4 37.Re3 Rd4+-) 35...e5 (35...Rf8 36.Ra8 Qb4 37.Rb4 Ra8 38.Qe5+-) 36.Qh6 (36.Qh6 Qf7 37.Rf7 Kf7 38.Qh7 Ke6 39.Qg6 Kd5 40.Qf6+-) 1–0. Gutmann,Manfred – Danneck,Werner, Baden–ch HT Zell, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    6.ab4 Bg4 7.Nc3 Qd8 8.Be2 e6 9.b5 Nbd7 10.0-0 Be7 11.d3 0-0 12.Be3 Qc7 13.Ne4 Ne4 14.de4 Nc5 15.Qd4 e5 16.Qc3 Rfc8 17.h3 Bh5 18.Rfd1 Ne4 19.Qc7 Rc7 20.b6 Rcc8 21.ba7 Nd6? 22.g4+- Bg6 23.Ne5 Bc2 24.Rdc1 Bf6 25.f4 Be4 26.Rc8 Nc8 27.g5 Be5+/- 28.fe5 b6 29.Rd1 Na7+= 30.Bb6 Nc6 31.Bc7 Ne7 32.Bc4 Bf5 33.Bd6 Ng6 34.Bd5 Re8 35.Rf1 Be6 36.Be4 Bh3= 37.Rb1 Nf8 38.Rb3 Be6 39.Rb2 Bc4 40.Rh2 g6 41.Rc2+= Be6 42.Rb2 Kg7 43.Kf2 Rc8 44.Kg3 h6 45.gh6 Kh6 46.Rh2 Kg7 47.Be7 Nd7+= 48.Rf2 Rc3 49.Kf4 Rh3 50.Bc6 Rh5 51.Bd7= Rf5 52.Ke3? Re5-+ 53.Kd4 Rd5 54.Ke4 f5 55.Kf4 Rd7 56.Bg5 Bd5 57.Re2 Be4 58.Ke5 Kf7 59.Rh2 Rd5 60.Kf4 Rd6 61.Ke5 Re6 62.Kf4 Ke8 63.Rh8 Kd7 64.Rd8 Kc6 65.Rf8 Kd5 66.Rf6 Re8 67.Rg6-/+ Bh1 68.Rh6 Be4 69.Rh2 Ra8 70.Rd2 Ke6 71.Rh2 Ra3 72.Bh4 Rf3 73.Kg5 Rf1 74.Bf2 Ke5 75.Bb6 Bf3 76.Rh4 Bg4 77.Rh2 Ke4 78.Rh8 Rc1 79.Rh6 Rc2 80.Re6 Kd5 81.Rh6 Ke5 82.Ba7 Rg2 83.Bb8 Ke4 84.Re6 Kf3 85.Rf6 Bh3 86.Kh4 Rg8 87.Kh5?? Rb8-+ 0–1. Freyberg,Dominic – Klawonn,Malin, GER–chT U20 Bonn Roettgen, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    6.c4 Qe4 7.Be2 g6 (better is 7...e6!?+=) 8.ab4+= Bg7 9.Nc3 Qg4 10.0-0 0-0 11.d4 Ne4? (11...Rd8!?+/-) 12.Nb5 Na6 (12...Qd7 13.Qd3 Nd6 14.Ra7 Ra7 15.Na7 b5 16.Nb5 Nb5 17.cb5 Qd6+-) 13.Ne5?? (better is 13.Ng5! Qf5 14.g4 Nf2 15.Rf2+- (15.gf5?! Nd1 16.Rd1 Bf5+-)) 13...Qf5 14.Bd3 Nb4? (better is 14...Be5 15.Qe2 Bg7 16.Be4 Qf6+/-) 15.Bb1?? (15.g4 Qe6 16.Be4 Be5 17.de5 Qc4 18.Nd4 Bg4 19.Qg4 Qd4 20.Be3 Qe5 21.Bb7+- (21.Ra7?! Ra7 22.Ba7 f5 23.Bf5 Qf5 24.Qb4 Qg5 25.Kh1 Qd5 26.f3 Rf3 27.Rf3 Qf3 28.Kg1 Qd1 29.Kf2 Qc2 30.Ke3 e5=)) 15...Be5= 16.de5 (16.Qe2!? Bg7 17.Be4=) 16...Qe5+= 17.Ra4 Nc6 18.Qe2? (better is 18.Re1!? Rd8 19.Qe2-/+) 18...Nc5-+ 19.Qe5 Ne5 20.Ra7 Ra7 21.Na7 Be6 22.Be3 b6 23.Rc1 Bc4?? (better is 23...Ra8 24.Nb5 Bc4-+) 24.f4 (better is 24.Bc5 bc5 25.f4+=) 24...Nb3+= 25.Rc3 Ng4 26.Bb6 Nd2 27.h3 Rb8 28.hg4 Rb6 29.Bd3 Bd3 30.Rd3 Rb1 31.Kh2 Ne4 32.Re3 f5 33.Nc6 Rb7 34.gf5+= gf5 35.Nd4 Nf6 36.Rg3 Ng4+= 37.Kh3 ½–½. Dupree,Charles (1770) – Russell,Joe, San Francisco TNM Winter op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.ab4 e6

    7.Na3 Bb4 8.c3 Ba5 9.Nb5 Bb6 10.Ba3 Nc6?? (10...Ne4 11.Qb1 a6+= (worse is 11...Bf2 12.Kd1 Kd8 13.c4 Nd2 14.Nd2+/-)) 11.Nd6+/- Kd7 12.Nf7 Ne4 (better is 12...Rg8 13.d4 Ba5+/-) 13.Nh8 (13.d4 Ba5 (worse is 13...Nc3 14.Qd3+-) 14.Nh8 Bc3 15.Ke2 Nd4 16.Ke3 Nf6 17.Qa4 Kc7 18.Qc4 Qc4 19.Bc4 Ba1 20.Nd4 Ng4 21.Kf3 Bd4 22.Kg4 b5= (worse is 22...Bf2 23.Kf3 Bd4 24.Nf7+/-)) 13...Bf2? (13...Nf2 14.Qc2 Nh1 15.Qh7 Bf2 16.Kd1 Qb3 17.Kc1 Kc7+-) 14.Ke2+/- Qc4 15.d3 Nc3 16.Kd2 Be3 17.Kc2 Nd4 18.Nd4 Qa4 19.Kc3 Bd4 20.Kd2 Qa5 21.Ke2 Qe5 22.Kd2 Qa5 ½–½. Crowther,Michael P – Karabiyik,Ozgur, BFCC op sf corr, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    7.b5 Be7 8.Be2 0-0 9.0-0 b6 10.c4 Qd8 11.d4 Bb7 12.Ba3 Nbd7 13.Be7 Qe7 14.Nbd2 a5 15.ba6 Ra6 16.Qb3 e5 (16...Rfa8 17.Ra6 Ra6 18.Re1=) 17.de5 Ne5 (17...Ra1!? 18.Ra1 Ng4+=) 18.Ra6+/- Ba6 19.Re1 (better 19.Qb6!? Bb7 20.Ne5 Qe5 21.Bf3+/-) 19...Nf3 20.Nf3 Qc5 21.Bf1 Ng4 22.Qb2 Bb7 23.Ne5 Qe7 (23...Nf6=) 24.Nf3 (24.Re2 Ne5 25.Re5 Qc7=) 24...Qd6 (better 24...Qc7!? 25.h3 Bf3 26.hg4 Bg4=+) 25.Qd4= Qg6 26.Qd2?? (better 26.Nd2+=) 26...Bf3-+ 27.gf3 (27.h3 Nh6 28.Re3-+) 27...Ne5 28.Kh1 Nf3 29.Qe3 (29.Bd3 Qh5 30.Qf4 Ne1 31.Be4-+) 29…Qg1 0-1. Joly,F (1955) - Bassini,Emile (2285), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    7.Nc3 Qd8 8.Rb1 Be7 (8...Bd6 9.Nb5 Be7 10.Bb2=) 9.d4 (9.Bc4 0-0+=) 9...0-0 10.Bd3 b6 (10...Nc6 11.b5 Nb4 12.0-0=) 11.Ne4 (11.0-0 Bb7+=) 11...Bb7= 12.Qe2 (12.Nf6 Bf6 13.0-0 g6+= (13...Bd4?? 14.Nd4 Qd5 15.Nf3+-)) 12...Nbd7 13.Bd2 Qc7 (13...Ne4 14.Be4 Be4 15.Qe4=) 14.0-0 (14.Ng3 Bd6 15.c4 Rfe8=+) 14...Ne4 15.Be4 Be4 16.Qe4 Nf6 17.Qd3 Rfc8 18.c3 (18.Rfc1 Qc4=) 18...Bd6 19.Rfc1 Qc4 20.Qe3 Nd5 21.Qe4 Nf6 22.Qh4 (22.Qe3 a5 23.ba5 Ra5=+) 22...Qd3 23.Be1 (23.Re1 Nd5 24.Ng5 Be7=+ (24...Qd2 25.Qh7 Kf8 26.Qh8 Ke7 27.Qg7 Bh2 28.Kh2 Qf4 29.Kg1+-)) 23...b5 (better 23...Nd5!?-+) 24.Rd1=+ Qf5 25.Qg5 Qg5 26.Ng5 Nd5 (26...h6 27.Nf3=+) 27.Ne4= Be7 28.Nc5 a5 29.Ra1 (better 29.ba5!? Bc5 30.dc5 Rc5 31.Ra1=) 29...a4-/+ 30.Kf1 Nb6 31.Bd2 Rd8 32.Bf4 Rac8 33.Ke2 Nd5 34.Bd2 Nb6 35.Ra2 (better 35.Bf4!?=) 35...Rd5-/+ 36.Bc1 g5 (36...Nc4 37.f4-/+) 37.g4 Kg7 (37...Bc5?! 38.bc5 Nc4 39.Be3=) 38.Rd3 (38.f4 A) 38...Bc5?! 39.bc5 (worse 39.dc5 Rd1 40.Kd1 Nd5-/+) 39...Nc4 40.fg5=; B) 38...h6-/+) 38...Kg6 (38...e5 39.Be3-/+) 39.f4 Rc6 (39...h6 40.Rf3-/+) 40.Kf3 (40.fg5 Bg5 41.Bg5 Rg5=+) 40...h6 (40...Bc5?! 41.bc5 Nd7 42.Ke2 (42.fg5? Ne5 43.Ke4 Nd3 44.Kd3 Rcc5-+) 42...gf4 43.Bf4=) 41.fg5 (41.Re3!?-/+) 41...hg5 42.Re3 Nc4 43.Re1 Bc5 (43...Rc8 44.h3-/+) 44.bc5 e5 45.Be3? (better 45.Re4!?-/+) 45...Ne3-+ 46.Ke3? (better 46.Re3 ed4 47.Rd3 Rf6 48.Kg3 Rc5 49.cd4-+) 46...ed4 47.Ke4 Rdc5 (better 47...Rd8!? 48.Kd3 dc3 49.Kc3 Rc5 50.Kb4 Rdd5-+) 48.cd4 Re6 49.Kd3 Rd5 50.Rb1 f5 (50...Rf6 51.Re1 Rd8-+) 51.Rab2? (51.gf5 Rf5 52.Kc3 Re4-/+) 51...Rb6 (better 51...f4!? 52.Rd2 Re3 53.Kc2 f3-+) 52.Rb4 Ra6 (worse 52...fg4 53.Ra4 Rf5 54.Rab4=+) 53.gf5 Rf5 54.Rb5 Rb5 55.Rb5 a3 56.Rb1 a2 57.Ra1 Kf5 58.Kc4 g4 59.d5 Kf6 (59...Ke5 60.Re1 Kf6 61.Ra1-/+) 60.Kb5 (60.Kb3 Ke7 61.d6 Kd6-/+) 60...Ra3 (better 60...Ra8-/+) 61.Kc6?? (61.d6-/+) 61...Ra6 (better 61...Ke7 62.Re1 Kd8-+) 62.Kc7 Ra7 63.Kb6 Ra3 64.Kc6 Ra6 (better 64...Ke7!? 65.d6 Kd8-+) 65.Kb5-/+ Ra3 (65...Ra8 66.Kc4-/+) 66.Kb4 (66.Kc6!?=) 66...Ra8-/+ 67.Kc5?? (better 67.Kb3-/+) 67…Ra5 ½–½. De Vita,G (2055) – Ottaviani,G (1915), 39th Arco Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nf6)

    7.Nc3 Qd8 8.b5 Bb4 9.Bb2 0-0 10.Bd3 b6? (10...Nbd7 11.0-0=) 11.0-0 (11.Na2!? Nd5 12.c4+- (12.Nb4?! Nb4 13.Be4 Nd5+/-)) 11...Bb7 12.Re1 (12.Ra4 a5+=) 12...Nbd7 (12...a5 13.ba6 Na6 14.Ne4=) 13.Ra4 (13.Ne4 Be7+=) 13...Bd6= 14.Rh4 h6 15.Qa1 (15.Ne4 Ne4 16.Be4 Be4 17.Rhe4 a6+=) 15...Qc7 (better 15...Bf3!? 16.gf3 Ne5=+) 16.Ne4+= Ne4 (16...Be7 17.Nf6 Bf6 18.Bf6 Nf6 19.Ne5+=) 17.Be4+/- Be4 18.Ree4 (better 18.Rhe4 e5 19.Ne5 Ne5 20.Be5 Be5 21.Qe5 Qc2 22.d4+=) 18...f5? (better 18...e5 19.Rc4 Qb8+=) 19.Re6+- Nc5? (19...Rf7 20.Bg7! Rg7 21.Reh6 Kf7 22.Qa2 Ke8+-) 20.Rg6 Rf7 21.Rhh6 Bf4 (21...Ne6 22.Bg7 Ng7 23.Rd6 Rd8 24.Rd8 Qd8+-) 22.Rh5 (22.Bg7 Bh6 23.Be5 Kh7 24.Bc7 Kg6 25.Ne5 Kf6 26.Nf7 Kf7+-) 22...Re8 23.g3 (23.Qa2 Ne6 24.Re6 Re6 25.Qe6 Qe7+-) 23...Bd6 (23...Ne6 24.Qa2 Qc2 25.Re6 Re6 26.Qe6 Qb2 27.Qc8 Rf8 28.Rh8 Kh8 29.Qf8 Kh7 30.Qf5 Kg8 31.gf4 Qa1 32.Kg2 Qf6+-) 24.Rhg5 (better 24.Ng5 Ne6 25.Ne6 Re6 26.Re6 Bf8+-) 24...Bf8? (24...Ne6 25.Qa2 Ng5 26.Ng5 Re1 27.Kg2 Qb7 28.Kh3+-) 25.Kg2 (better 25.Ne5 Ne6 26.Nf7 Qf7 27.Rf6+-) 25...Ne4 26.Rh5 (26.Qa2 Ng5 27.Ng5 Re2+-) 26...Qb7? (26...Qc5 27.Bd4 Qc2 28.Ne5+/-) 27.Bc3 (27.Rc6 Nd6 28.Qa4 Re4+-) 27...f4? (27...Qd5 28.Rg4!+-) 28.g4 (28.Rg4!? Nc3 29.Rgh4 Rf6 30.Qc3 fg3 31.Qb3 Ree6 32.hg3 Kf7+-) 28...Rd8 (28...Rc8 29.Re5+-) 29.Qa2 Nd2? (better 29...Nc3 30.dc3 Rc8+-) 30.Bd2 Rd2 31.Qe6 (better 31.Rc6 Qd7 32.Rf5+-) 31...Bc5?? (better 31...Rc2 32.Rgg5 Rc3+-) 32.Qe8 (32.Rg7! Kg7 33.Qh6 Kg8 34.Qh8) 32...Rf8+- 33.Qe6 Rf7 34.Rhg5 (34.Rg7! Kg7 35.Qh6 Kg8 36.Qh8) 34...Rf2 35.Kg1 Rf1!! (35...Qf3?? 36.Rg7 Kh8 37.Qh6) 36.Kf1 (36.Kf1 Qf3 Mate attack) 36...Qf3 37.Ke1 Bb4 38.c3 Bc3 0-1. Beerdsen,Thomas (2475) - Sarana,A (2650), Katara Bullet Final, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3)

    7.Nc3+= Qd8 8.Nb5 Nc6= 9.c3 Be7 10.Bc4 0-0 11.0-0 b6 (11...a6!? 12.Na3 Qc7+=) 12.Re1 Bb7 13.Nbd4 (13.Bb2 a6 14.Nbd4 b5 15.Nc6 Bc6+=) 13...Nd4 14.Nd4 Bd5 15.Ba6 Qc7 16.Qe2 Rad8 17.Nb5 Qd7 18.f3 h5 19.d4 h4 20.Bd2 h3 21.c4 Ba8 22.g4 (22.gh3!? Ne8 23.Bc3+=) 22...Nh7= 23.Ra3 Bf6 24.Be3 Ng5 25.Rf1 Qc6 (25...Bc6 26.Bf2=) 26.Bg5 (26.Bf4!?=) 26...Bg5+= 27.Na7 Qd6 28.Nb5 Qb4 29.f4 (29.Qd3!?-/+) 29...Bf6-+ 30.Rh3 (30.Qd3 Rd4! 31.Nd4-+) 30...Rd4 31.g5 Rd2 (31...Rd2 32.Re1 Re2 33.Re2 Bg5-+) 0–1. Etxeberria Iriondo,S (1955) – Alsina Leal,D (2545), 33rd Open, Donostia ESP, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Nf3 Bg4

    6.Bb2 Nc6 7.ab4 (7.Be2!? e5 8.h3=) 7...Qe4-/+ (worse 7...Nb4 8.Be2=) 8.Be2 Bf3 (worse 8...Nb4 9.d3 Qf4 10.0-0+=) 9.gf3 Qb4 10.Bc3 (10.Qc1 Nf6-/+) 10...Qf4 (10...Qc5 11.d4 Qg5 12.Kf1-/+) 11.Na3 (11.Bb5-/+) 11...e5 (better 11...Nf6-/+) 12.Nb5= e4 (12...Rb8 13.Na7 Bc5 14.Nc6 bc6 15.Rb1=) 13.fe4 (better 13.Ra4!? f5 14.fe4+-) 13...a6= 14.Bf3 (better 14.d3!? Nf6 15.Nd4=) 14...Rd8 (14...0-0-0!? 15.Rg1 ab5 16.Rg4-+) 15.Na3 Nf6 16.Qe2 (16.Nc4 Bb4 17.Bb4 Nb4 18.Rg1-/+) 16...Nd4 (better 16...Bb4!? 17.Bb4 Nd4-/+ (17...Nb4?! 18.Rb1 a5 19.Qe3=)) 17.Bd4= Rd4 e4 becomes the focus of attention 18.e5 Ne4 d2 draws heavy fire 19.d3?? (better 19.c3 Ra4 20.Nc2 Ra1 21.Na1 Nd2 22.Bb7=) 19...Bb4-+ 20.c3 (20.Kf1 Nd2 21.Ke1 Nf3 22.Kd1 Rd5-+) 20...Nc3 21.Qc2 (21.Qe3 Nd5 22.Ke2 Ne3 23.fe3 Qe5 24.Nc2-+) 21...Qf3 22.Rg1 (22.Rb1 Nb1 23.Kf1 Nd2 24.Qd2 Bd2 25.h3 Qh1 26.Ke2 Qe1 27.Kf3 Qf1 28.Kg3 Rd3 29.f3 Rf3 30.Kg4 Qh3) 22...Ne4 (22...Nd1! 23.Qd2 Qf2 24.Kd1 Qd2) 23.Kf1-+ Nd2 24.Ke1 Nc4 25.Kf1 (25.Qd2 Bd2 26.Kf1 Ne3) 25…Ne3 0–1. Hina,Ariza – Olsen,Alf Marius Foss (1710), TV2 Elo Open (3), 2017.

    6.Bb2 Qe4 7.Be2 Bf3 8.gf3 Qf4 9.ab4 e5 (9...Qb4!? 10.Ra2 Nc6-/+) 10.Bb5= Nd7 11.Qe2 Bd6 (11...Bb4?? 12.Be5 Qf5 13.Bg7 Ne7 14.Bd3+-; 11...Qb4 12.Be5 Kd8 13.Bd7 Kd7 14.Nc3+=) 12.Qe3 Qe3 13.fe3 Ngf6 14.Na3 0-0 15.c3 Nb6 16.Nc4 Nc4 17.Bc4 Rac8 18.Be2 a6 19.b5 ab5 20.Bb5 Ra8 21.Ke2 Nd5 22.c4 Nc7 23.Ba4 Ne6 24.Bc3 f5 25.Bd7 Kf7 26.Ra8 Ra8 27.Rb1 g6 28.Be6 Ke6 29.Rb7 Rc8 30.Kd3 h5 31.Rb6 Kd7 32.Rb7 Ke6 33.Rg7 Kf6 34.Ra7 Kg5 35.Ra5 Kh4 36.Be5 Be5 37.Re5 Rg8 38.e4 f4 39.c5 g5 40.Rf5 Kh3 41.Ke2 Kh2 42.Kf2 h4 43.c6 Kh3 44.c7 g4 45.fg4 Kg4 46.Rf7 Rc8 47.Rg7 Kh5 48.Kf3 Kh6 49.Rg4 Kh5 50.Rf4 Rc7 51.Rf5 Kg6 52.Kg4 Rd7 53.Rf2 Rd4 54.Kf4 h3 55.Ke3 Rd7 56.d4 Rh7 ½–½. Andre,Karl – Ramsauer,Martin, GER theme, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Bb2 e5 7.c4 Qe4 8.Be2 Bf3 9.gf3 Qf4 10.ab4 Bb4 11.Nc3 Nf6 12.Nb5 Na6 13.Nc7 Nc7-+ 14.Qa4 b5 15.Qb4=+ Nfd5 16.Qc5 bc4= 17.Qc6 Kf8 18.Qd6 Kg8 19.Ra7 Re8 20.Rc7 Nc7 21.Qc7 h5 22.Bc3 Rh6 23.Qc4 e4? 24.Rg1+- g5 25.Qd4 f6 26.Qe3 Qh2? 27.Rg5! Kh8 28.Rg3 Kh7 29.Qa7 (29.Qa7 Re7 30.Qe7 Kh8 31.Qg7) 1–0. Bressanelli,Roberto (2115) – Ubezio,Marco (2195), Corsico op (5), 1996.

    6.Bb2 e5 7.Be2 Nd7 8.0-0 f6 9.ab4 Bb4 10.Nc3 Bc3 11.Bc3 Ne7 12.Ra5 Qd6 13.Qa1 Nc6 14.Ra4 Be6 15.Bb5 a6 16.d3 Nb6 17.Bb4 Qd5 18.Ra5 Rc8 19.Ba4 Qd7 20.Bc6 Rc6 (worse is 20...bc6 21.Bc5 Nd5 22.Ra6+=) 21.Bc5? (better is 21.Re5!? fe5 22.Ne5-/+) 21...Nd5-+ 22.Rb1 b6 23.Ra6 Rc5 (worse is 23...bc5 24.Rb8 Rc8 25.Rc8 Qc8 26.Ra8+/-) 24.c4 Nc7 25.Rab6 0-0 26.Qa7? (26.Qa3 Rc6 27.Rb8-+) 26...Qd3 27.Ne1 Qc4 28.R6b4 Qd5 29.Rb7 Qc6 30.Rc7 Qc7 31.Rb7 Rc1 32.h3 Re1 33.Kh2 Ra1! 34.Rc7 Ra7 35.Ra7 h6 36.g3 Kh7 37.g4 Rf7 38.Ra6 Bc8 39.Rb6 h5! 40.gh5 Kh6 41.Rb4 Kh5 42.Kg3 Rb7 43.Rh4 Kg5 44.Rc4 Rb3 45.Kg2 Bh3 46.Kh2 Be6 47.Rc7 g6 48.Rc6 Rh3 49.Kg1 Rh1! 50.Kh1 Bd5 51.Kh2 Bc6 52.Kg3 f5 53.Kh3 f4 54.Kh2 e4 55.Kg2 e3 56.Kg1 e2 57.f3 e1Q 58.Kh2 Qg3 59.Kh1 Bf3 0–1. Aloe,Kevin (1660) – Jolly,Jean Francois (2350), Rennes op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Bb2 e5 7.Be2 f6 8.0-0 Nc6 9.c3 ba3 10.Ba3 Ba3 11.Na3 Nge7 12.Nb5 Qd7 13.Bc4? (better is 13.d4+=) 13...e4-+ 14.Qb3? (14.h3 Bf3 15.gf3-+) 14...ef3 15.d4 a6 16.Rfe1 (16.gf3 Bh3 (16...Bf3?! 17.Be6 Qd8 18.Qa3-+) 17.Rfb1 Rd8-+) 16...Rc8 17.d5 (17.gf3 Bh3 (17...Bf3 18.Be6 Qd8 19.Bc8+=) 18.Na3 Qf5-+) 17...Ne5 18.d6 Nc4 (better is 18...Rc4 19.Re5 fe5 (19...ab5? 20.Re7 Qe7 21.de7+/-) 20.Qc4 ab5-+) 19.Re7-/+ Qe7! 20.de7 ab5 21.Qb5 Bd7 22.Qb7 Ke7 23.Re1 Ne5 24.gf3 g5 25.h4 h6 (25...gh4 26.f4 Rb8 27.Qa7+-) 26.hg5 hg5 27.Qd5 Bc6 28.Re5 fe5 29.Qe5 Kd7 30.Qg7 Kd6 31.Qf6 Kc7 32.Qe7 Kb8 33.Qe5 Kb7 34.Qg7 Ka6 35.c4 Rhe8 (35...Bf3?! 36.Qa1 Kb6 37.Qd4 Kc6 38.Qf6 Kc5 39.Qf3 Kc4 40.Qe4 Kc5 41.Qe7 Kb5 42.Qg5 Rc5 43.Qe7=) 36.Qa1 Kb7 37.Qb2 Ka8 38.Qa3 Kb8 39.Qb4 Bb7 40.Qd6 Rc7 41.Qg6 Ree7 42.Qg8 Ka7 0–1. Mablouke,Ulrich (1735) – Rodier,David (2135), Saint Denis REU, Reunion Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Bb2 e5 7.Be2 Nc6 8.c4 Qe6 9.0-0 ba3 10.Na3 Bc5 11.Re1 f6 12.Nb5= Qf7 13.Ba3 Ba3 14.Ra3 Kf8 15.Qb3 Nge7 16.d4 ed4 17.Nfd4 Nd4 18.Nd4+/- Be2 19.Re2 Nc6 20.Nc6+/- bc6 21.Qb4 c5 22.Qc5+- Kg8 23.Re7 Qg6?? 24.Qd5 Kf8 25.Qa8 Ke7 26.Ra7 (26.Ra7 Ke6 27.Qd5) 1–0. Vetoshko,V (1930) – Grinberg,Eyal, EYb10 Herceg Novi MNE (7), 2008.

    6.Bb2 e6 7.ab4 Nf6 8.Nc3 Qd8 9.b5 Bc5 10.h3 Bh5 11.g4 Bg6 12.Na4 Be7 13.c4 Nbd7 14.Bg2 Qc7 15.Qb3 0-0 16.0-0 Rfd8 17.Rad1 Rac8 18.d3 Nc5 19.Nc5 Qc5 20.Ne5 Qc7 21.f4 Nd7 22.Ng6 hg6 23.Rf3 Nc5 24.Qa2 Qb6 25.Kh2 Ne4 26.Qa1 Nf6 27.Bc3 Rd7 28.Be1 a6 29.Rb1 ab5 30.Rb5 Qc7 31.Qb1 Bd6 32.Bg3 Rb8 33.Rf1 Nh7? (33...Bc5 34.Qb3=) 34.Qe1?? (better is 34.c5 Bf8 35.f5+-) 34...g5 35.fg5 Bg3 36.Qg3 Qg3 37.Kg3 Rd3 38.Rf3 Rdd8 39.Rc3 Nf8? 40.Rb7 Rb7 41.Bb7 Rd7 42.Ba6 Rc7 43.h4 Nd7 44.Kf4 e5 45.Ke3 f6 46.g6 Nb6 47.Rb3 Nd7 48.Bb7 Kf8 49.Bd5 Ke7 50.h5 f5 51.g5 f4 52.Kf3 Ra7 53.h6 gh6 1–0. Stamatovic,Vladimir (1905) – Srdanovic,Ljuban, Cetinje Batricevic Memorial op, 2009. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.a3 Bg4)

    6.Bb2 e6 7.ab4 Nf6 8.Nc3+= Qd8 9.h3 Bh5 10.Bb5 Nbd7? 11.g4+- Bg6 12.g5 a6 13.gf6 ab5 14.Ra8 Qa8 15.fg7?? Bg7+= 16.Nb5 Kf8 17.Bg7 Kg7 18.Nc3 Nf6 19.Ne5 Qd8 20.Ng4 Nd5 21.Nd5 Qd5 22.0-0 Rd8 23.d3 Qg5 24.Qe1 f6 25.Qc1 Qf5 26.Qh6+/- Kf7 27.Qh4 Qf3? 28.Ne5!+- (28.Ne5 fe5 29.Qd8 Qh3 30.Qg5+-) 1–0. Feller,J (2170) – Maurer,F (2095), 7th ch–Euro Senior, Hockenheim GER, 2007.

    6.Bb2 e6 7.Be2 Nf6 8.c4 Qd8 9.ab4 Nbd7 10.Qa4= Bd6 11.0-0 0-0 12.h3 Bh5 13.d4 Qe7 14.Ba3 e5 15.Re1 Rfe8 16.Nbd2 e4 17.Bf1 Bf4 18.Bc1 Qd6 19.c5= Qc7 20.Ne4 Re4 21.Re4 Bc1 22.Re7 Bf3 23.gf3 Bg5 24.Bc4 Rf8?? 25.Bf7+/- Kh8 26.Be6 Rd8 27.Re1 Nc5+= 28.Rc7 Na4 29.Rb7 Nb2 30.Ra7 Re8 31.Rb1 Nd3 32.Bc4 Nf4 33.b5 N4d5? 34.b6+- Bf4 35.b7 Bb8 36.Ra5 Nf4 37.Ra8 Rd8 38.Rc1 N6d5 39.Bb5 Ne6 40.Rc8 (40.Rc8 g5 41.Rd8 Nd8 42.Rb8+-) 1–0. Vetoshko,V (1930) – Bellahcene,B (1715), EYb10 Herceg Novi MNE (9), 2008.

    6.Bb2 Bf3 7.gf3 Nc6 8.ab4 Nb4 9.Nc3 Qe6 10.Be2 Nf6 11.Nb5 Rc8 12.Ra7 Nc2 13.Kf1 Qh3 14.Kg1 Nd5 15.Rb7 h5 (better is 15...Nf4 16.Bf1 Qf5-/+) 16.Nd6?? (better is 16.Na7 Rc5 17.Bb5 Rb5 18.Rb5+/-) 16...ed6-+ 17.Bb5 Kd8 18.Rd7 Qd7 19.Bd7 Kd7 20.Bc3 (20.Qf1 Kd8-+) 20...Nc3 21.dc3 Rc3 22.Qd5 f6 23.Kg2 Rc5 24.Qb7 Ke6 25.Qe4?! (25.Qb3 Ke7 26.Rc1-+) 25...Kf7 26.Rb1 Be7 27.f4 d5 28.Qe2 d4 (better is 28...Nd4!? 29.Qd3 Ne6 30.Qf3-+) 29.f5 Rf5?? (better is 29...Rhc8 30.Qh5 Kg8-+) 30.Qc2 Rg5 31.Kf3 g6 (better is 31...Rd8-/+) 32.Qc4 Kg7 0–1. Tomes,Pavel (2090) – Sara,Pavel, CZE–chT2d, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Bb2 Bf3 7.gf3 e5 8.Bd3 Nf6 9.0-0 Bd6 10.ab4 0-0 11.Re1 Nc6 12.Nc3 Qe6 13.Ne4 (13.b5!? Nb4 14.Be4+=) 13...Nb4-/+ 14.Nd6 Nd3 (worse is 14...Qd6 15.Be5 Qc6 16.Bf5+=) 15.cd3 Qd6 16.Ba3 Qd3 17.Bf8 Kf8 18.Re5 Nd5 (18...a6 19.Qb1 Qf3 20.Qb4 Kg8 21.Ra3=) 19.Qe2 (19.Qb1!? Qb1 20.Rb1+=) 19...Qg6 20.Kh1 Nf4 21.Qf1 Qd6 22.Re4 f5 (22...Qd2? 23.Rd1 Qc2 24.Rf4+-) 23.Rea4 a6 24.Qb1 Nd3 25.Qb7 Rb8 26.Qa7 Re8 27.Rd4 (27.Rg1!? Re7 28.Qa6 Nf2 29.Kg2 Qa6 30.Ra6+/-) 27...Nf2 28.Kg2 Qe5 29.Kf2?? (better is 29.f4 Qe2 30.Qc5 (30.Qa6 Nd3 31.Kh1 Qf3 32.Kg1 Qf2 33.Kh1 Re1 34.Re1 Qe1 35.Kg2 Qe2 36.Kg1 Qf2 37.Kh1 Qf1) 30...Kg8 31.Qc4 Qc4 32.Rc4+-) 29...Qh2-+ 30.Kf1 Qh1 31.Kf2 Qh2 32.Kf1 Qh1 33.Kf2 Qa1 34.Qc5 Kg8 35.Qd5 Kh8 36.Qe5 Rg8 37.Qf4 Re8 38.Qe5-/+ Rg8 39.Qf4 h6 40.Rd6 Qh1 41.Qe5 Qh4 42.Ke2 Qh5 43.Ra6 Re8 44.Rh6= Kg8 45.Re6 Re6 46.Qe6 Qf7 47.Qc8 Kh7 48.Ke3 g5 49.d4 Qb3 50.Kf2 Qb2 51.Kg3 f4 52.Kh3 Qd4 53.Qf5 Kh6 54.Qe6 Kh5 55.Qe8 Kh6 56.Qe6 Kh5 57.Qf7 Kh6 58.Qe6 Kh5 59.Qe8 Kh6 ½–½. Krsticevic,John Ivan (2000) – Kraljevic,Roko (1925), Zadar CRO, 4th League South, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Bb2 Bf3 7.gf3 e5 8.Bg2 Nc6 9.0-0 Nf6 10.f4=+ e4 11.Re1 0-0-0 12.Bf6 gf6 13.Re4? Rg8-+ 14.f3?? f5 15.c4 Qc5 16.d4 fe4 (16...fe4 17.Kh1 Qd4 18.Qd4 Rd4 19.Bh3 Kc7-+) 0–1. Bressanelli,Roberto (2140) – Bertani,Gianfranco, Open Verona ITA, 1997.

    6.Bb2 Bf3 7.Qf3 Qf3 8.gf3 Nc6 9.Bb5 ba3 10.Ra3 Nf6 11.c4 e6 12.Re3 0-0-0 13.Bc6 bc6 14.Ke2 Nh5 15.Re4 Bd6 16.d4 f5 17.Re3 Kd7 18.Kd1 Rb8 19.Kc2 Rb4 20.Na3 Rhb8 21.Rb1 (21.Bc3 Ra4 22.Bb2-+) 21...Bh2 22.Ree1 0–1. Ewin,Hans Peter (1975) – Gramlich,Sebastian (2120), Rhein Main op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Bb2 Nf6 7.Be2 e6 8.0-0 Nc6 9.ab4 Bb4 10.Na3 0-0 11.Bf6 gf6 12.c3 Bd6 13.Nc2 Qh5 14.g3 Ne5 15.Ncd4 Rfd8 16.Re1 Bc5 17.Ne5 Be2 18.Ne2 fe5 (18...Qe5?! 19.d4 Qc7 20.Nf4+=) 19.Nc1 Qd1 20.Rd1 Rd7 21.Kf1 Rad8 22.Ke2 e4 23.Nb3 Bb6 24.Ra2 h5 25.Na1 Kh7 26.Nc2 Kg6 27.Ne1 h4! 28.Ng2 (28.gh4 Rh8) 28...hg3 29.hg3 Rh8 30.Nh4 Kf6 31.Ra4 Ke5 32.Rb1 Rhd8 33.Rd1 Rd5 34.f4 ef3! 35.Nf3 (35.Kf3 Rd3 Deflection; 35.Nf3 Kf6 Combination) 35...Kf6 36.Rf1 Ke7 37.Rf4 e5 38.Rf5 f6 39.g4? (better is 39.d4!?-/+) 39...e4-+ 40.Nd4 Bd4 41.cd4 Rf5 (41...Rd4?! 42.Rf6 b5 43.Rf7 Ke6 44.R1f6 Kd5 45.g5-/+) 42.Rf5 Rd4 43.Ke3 Rb4 44.Rf4 (44.g5 fg5 45.Rg5-+) 44...a5 45.Rf5 b6 46.g5 fg5 47.Rg5 Kd6 48.Rg4 Kc6 49.Rh4 Kb5 50.Rh5 Ka6 51.Rh6 a4 52.Rh4 Ka5 53.Rh1 b5 54.d4 ed3! 55.Kd3 Rc4 56.Ra1 0–1. Burton,John – Inocencio,Edgarlino S (2160), Best Western Classic op, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 Nc6 7.0-0 e6 8.ab4 Bb4 9.Na3 Nf6 10.Nb5 Qd7 (10...Qd8 11.Bb2-/+) 11.c3 (11.Bb2 Bf3 12.Bf3 Bd2=+ (12...Qd2 13.Qd2 Bd2 14.Nc7 Ke7 15.Ba3 Bb4 16.Bb4 Nb4 17.Na8 Ra8 18.Bb7+-)) 11...Be7-/+ 12.h3 (12.d4 Bf3 13.Bf3 0-0-/+) 12...Bh5 13.d4 0-0 14.Na3 (14.Ne5 Be2 15.Qe2 Qd8-/+) 14...Qc7 (14...a6 15.Ne5 Be2 16.Qe2-/+) 15.Bg5 Nd5 16.Nb5 Qd8 17.Bd2 (17.Bc1 a6 18.c4 Nb6-/+) 17...a6-+ 18.Na3 Qc7 19.g3 (19.c4 Nf4 20.Bf4 Qf4-+) 19...b5 20.g4 (20.Bd3 Na5 21.Be4 f5 22.Bd5 ed5-+) 20...Bg6 21.c4 bc4 22.Nc4 Bf6 23.Rc1 Qb7 (23...Bd4 24.Nce5 Be5 25.Ne5 Qe5 26.Rc6-+) 24.Nd6 Qd7 (24...Qb6 25.Nc4 Qb8 26.Be3-+) 25.Qa4 Ne5 (25...Nde7 26.Bf4 Rfd8 27.Rfd1-+) 26.Qd7-/+ Nd7 27.Ra1 Be7 ½–½. Verneuil,Pascal (2090) – Burke,Mitchell R (1925), Gibraltar England, Tradewise Open–C, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 Nc6 7.0-0 e6 8.ab4 Bb4 9.Na3 Nf6 10.c3 Be7 11.h3 Bh5 12.Nb5 Qd8 13.Ne5 (13.Nbd4 Nd4 14.Nd4 Be2 15.Qe2 0-0-/+) 13...Ne5 14.Bh5 Nh5 15.Qh5 Nc6 16.Qg4 0-0 17.d4 a6 18.Na3 b5 19.Re1 (19.Nc2 Qc7-/+) 19...Kh8 (19...b4 20.Nc2 bc3 21.Re3-/+) 20.Re3 b4 21.Nc4 (21.cb4!? Qd4 22.Qd4 Nd4 23.Bb2-/+) 21...bc3-+ 22.Rd3 Rg8 23.h4 Qd5 24.Ne3 Qb5 25.Rc3-/+ Bf6 26.Rc5 Qb7 27.Qe4? Rac8 28.Ra4 Nd8 29.Qc2 Nc6 30.Bb2 Ne7-/+ 31.Rac4 Rc5-+ 32.Rc5 Rc8 33.Ba3 Bd4?? 34.Rc8+= Nc8 35.Qa4 Ne7 36.Be7 Qe7 37.Qd4 h6 38.Qe4 g6 39.h5!+- gh5 40.Qa8 Kg7 41.Qa6 Qb4 42.Qa2 Qc3 43.Qc2 Qe1 44.Kh2 Qb4 45.Qe2 Qf4 46.Kg1 Qe5 47.Qf3 Kg6 48.Nf1 Qg5 49.Qe4 Kg7 50.g3 Qc5 51.Kg2 Qc3 52.Ne3 Qf6 53.Nd1 Qa1 54.Qf3 Qe5 55.Nc3 Qg5 56.Ne2 h4 57.g4 h5 58.Kh3 hg4 59.Qg4 Kf6 60.Nd4 Qg4 61.Kg4 h3 62.Kh3 Ke5 63.Ne2 Ke4 64.Kg3 e5 65.Kg4 f5 66.Kg3 Kd3 67.Ng1 Ke4 68.Nf3 Kd5 69.Nd2 Kd4 70.Kf3?? Kd3= 71.Nf1 e4 72.Kf4 Ke2 73.Ng3 Kf2 74.Nf5 e3 75.Ne3 Ke2 ½–½. Keiter,Rodan – Wolf,Ulrich Martin, Ruhrgebiet–ch U17, 1994. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 Nd7 7.ab4 Bf3 8.gf3 e6 (8...Qg5 9.Kf1-/+) 9.Nc3 Qc6 (9...Qe5 10.b5+=) 10.Bb2 Ngf6 (10...Bb4 Not 11.Bb5 Qc8 12.Rg1=) 11.Rg1 (11.Nb5 a6 12.Bf6 gf6+=) 11...Rg8 (11...Qc7 12.Bb5+=) 12.Bb5 (12.b5 Qb6+=) 12...Qc7 (12...Qd6 13.Rg2 Qb4 14.Qb1-/+) 13.Qe2 (13.Ne2 Nd5 14.Qb1 g6-/+) 13...Bb4 (13...Qh2 14.Bd7 Nd7 15.0-0-0 Bb4 16.Rh1-/+) 14.Ne4+= Ke7 15.c3 (15.Bd7 Nd7 (worse is 15...Qd7 16.Qc4 Nd5 17.c3+=) 16.Qe3 Qc2 (16...Qh2?! 17.Ke2=) 17.Bg7 a5-/+) 15...Ne4 (15...Qh2 16.Kf1 Qh3 17.Ke1 Ne5+=) 16.cb4? (16.Qe4 Bd6 17.Bd7 Qd7=) 16...Nef6 (better is 16...Qh2 17.Kf1 Qh3 18.Ke1 Nd6 19.Bd7 Kd7-/+) 17.d4?? (better is 17.Rg3!?-/+) 17...Nd5 (17...Qh2 18.Kf1 Qh3 19.Ke1-+) 18.Rg5? (18.Bd7 Qd7 19.b5 g6-+) 18...N7b6 (18...N7f6 19.Rc1 Qh2 20.Qe5 Qe5 21.de5-+) 19.Re5?! (19.Qe5 Qe5 20.de5 Nb4-+) 19...Qd6 (better is 19...Rgc8 20.Qe4 a6 21.Be2-+) 20.Ba3 (20.Qd2 g6 (20...Nb4?! 21.Ba3 a5 22.Rb1-+; 20...Qb4?? 21.Ba3 Qa3 22.Ra3+-) 21.h4 f6-+) 20...Rac8 21.Bd3? Rc3 22.Be4 f6 23.Rh5 Kf7 24.Rh7 Ra3! 25.Rb1 Nc3 26.Qb2 Nb1 (26...Nb1 27.Rh4 f5-+) 0–1. Siegel,Rainer – Roediger,Thomas (2095), Dotzheim op 1st, 2002. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.a3 Bg4)

    6.Be2 e5 7.ab4 Bb4 8.Ra4 Nc6 9.c3 Bf3 10.Bf3 e4 11.Qe2 Nf6 12.0-0? (12.Rb4!? Nb4 13.cb4-/+) 12...0-0 13.cb4 (better is 13.Be4!? Qe4 14.Qe4 Ne4 15.cb4-+) 13...ef3-+ 14.Qf3 Qf3 15.gf3 b5 16.Ra3 Nb4 17.Rb3 a5 18.Ba3 Nfd5 19.Nc3 Rfb8 20.Rfb1 Nc3 21.dc3 Nc2 22.Bd6 Rc8 23.Rb5 a4 (23...Rc3?! 24.Ra5 Rd8 25.Kg2+=) 24.R5b2 Rc3 25.Rc1 Rac8 26.Ra2 R3c4 27.Rb1 h6 28.Rb7 R8c6 29.Be7 Nd4 30.Kg2 (30.Kh1-+) 30...Rg6 31.Kh3 Nf3 (31...Nf3 32.Ra1 Ng1 33.Rg1 Rg1-+) 0–1. Martinez Salas,Imanol (1990) – Zulaika Centeno,Ander (2055), Euskadi–ch U18, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 e5 7.ab4 Bb4 8.c3 Bd6 9.d4 ed4 10.cd4 Nf6 11.0-0 0-0 12.Nc3 Qc6 13.Bd2 a6 14.h3 Bf5 15.Ne5 Be5 16.de5 Ne4 17.Rc1 Qe6 18.Ne4 Be4 19.Bb4 Re8 20.Bd6 Nc6 21.f3 Bd5 22.f4 Be4 23.Bg4 f5 24.Bf3 Bf3 25.Qf3 Nd4 26.Qd3 Nb5 27.Bc5 Rac8 28.Rfd1 h6 29.Kh1 Rc7 30.Bf2 Rec8 31.Rc7 Rc7 32.Kh2 Kh7 33.g4 g6 34.Qd5 Qd5 35.Rd5 Kg7 36.Bb6 Nc3 37.Rd8 Rc4 38.Rd7 Kf8 39.gf5 gf5 40.Rb7 Nd5 41.Ba5 Ra4 42.Bc7 Nf4 43.Bd6 Kg8 44.Rb8 Kf7 45.Rh8 Ke6 46.Rh6 Kd5 47.Rf6 Ra2 48.Kh1 Nh5 49.Rg6 f4 50.Rg2 Ng3 51.Kh2 Nf1 52.Kg1 Ra1 53.Rf2 Ne3 54.Kh2 Ra4 55.Bb8 Ke6 56.Kg1 a5 57.Rd2 Ra1 58.Kf2 a4 59.Rd6 Kf5 60.Rf6 Ke4 61.e6 Ra2 62.Kg1 Nd5 63.Rf7 Kf3 64.Rf5 Rg2 65.Kh1 ½–½. Keber,Ernst (1840) – Benovic,Pavel (2130), AP–2005–Q–00002, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 e6 7.0-0 Qa5 8.Bb2 Nc6 9.h3 Bf3 10.Bf3-/+.

    6.Be2 e6 7.0-0 Nf6 8.Bb2 Qd8 (8...ba3 9.Bf6 gf6 10.Na3-/+) 9.Ne5 (better is 9.Bf6 gf6 10.c3=) 9...Be2-/+ 10.Qe2 a6 (10...ba3 11.Na3 h6 12.Rfe1=) 11.Re1 Be7 (11...Qd5 12.ab4 Bb4 13.Nc3 Bc3 14.dc3=) 12.ab4= Bb4 13.Ra4 Be7 (13...Qe7=) 14.Nc3 (better is 14.Nf7!? Kf7 15.Qe6 Kf8 16.Rd4=) 14...0-0+= 15.Ne4 Nd5 16.Ng3 Nd7 (16...b5 17.Rd4 Qc7 18.c4+=) 17.Nd7 Qd7 18.Rg4 g6 19.c4 f5 20.Rd4 Bf6 21.cd5 Bd4 22.Bd4 Qd5 23.Qe5 Qe5-/+ 24.Re5 Kf7 25.h4 Rfd8 26.Bc3 Rd5-+ 27.Re1 a5 28.Ne2 b5 29.Ra1 a4 30.Nf4 Rc5 31.Nd3-/+ Rd5 32.Nb4? Rc5 33.f4? Rc4 34.g3 Rac8 35.Kf2 R8c7 36.Nd3 Ke8 37.Rb1 Rb7 38.Ne5 Rc8 39.Ke2 Ke7 40.h5 gh5-/+ 41.Bb4 Ke8 42.Rh1= Ra8 43.Ra1? Rc8 44.Nd3? Rc4-+ 45.Rb1 Rc6?? 46.Nc5 Rg7 47.Kf2? Rgc7 48.d4 Kf7 49.Rh1 Kg6 50.Nd3 Rc2-+ 51.Ke3 Ra2 52.Ne5 Kg7 53.Kf3?? Rcc2 54.Rh5 h6 55.d5 Rf2 56.Ke3+= ed5 57.Rf5= Rfb2 58.Rf7 ½–½. Feller,Joseph (2205) – Macher,Claus (1900), Alpenpokal op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 e6 7.0-0 Nf6 8.ab4 Bb4 9.c4 Qd6 10.Na3 Qe7 (10...Nc6 11.Nb5 Qd7 12.Ba3 Ba3 13.Ra3-/+) 11.Nc2 Bd6 12.d4 0-0 13.Ne3 White intends d5 (13.h3 Bh5=+) 13...Bh5=+ 14.Qb3 (14.Bb2 Nc6=+) 14...Nc6 15.Bb2 Bg6 (15...Ne4 16.Rfd1=+) 16.d5 ed5 17.Bf6 (17.cd5 Nb4=) 17...Qf6=+ 18.Nd5 Qe6 19.Qb7 Rfc8 (19...Rfe8 20.g3 (20.Qc6?? Bh2 21.Nh2 Qc6-+) 20...Qc8 21.Qc8 Rac8 22.Rfe1=+) 20.Rfe1= Rab8 21.Qa6 Bc5 22.Bd3 Qg4 (22...Qd6 23.Bg6 Qg6 24.Rad1=) 23.Bg6 (23.Rad1 Bd3 24.Rd3 Qg6=) 23...Qg6 24.Re2? (24.h3 Rd8=) 24...Re8?? (better 24...Nd4 25.Qc8 Rc8 26.Nd4 Qd3-+) 25.Re8= Re8 26.Qb5 (better 26.g3 Nd4 27.Nd4 Qa6 28.Ra6 Bd4 29.Nb4=) 26...Rb8-/+ 27.Ne5?? (better 27.Qa6!? Rb1 28.Ne1 Ra1 29.Qa1-/+) 27...Rb5 (better 27...Qe4 28.Nd7 Bf2 29.Kh1-+) 28.Ng6 Rb2 (28...Rb2 29.Ngf4 Rf2-+) 0–1. Suc,Timothy (2030) – Milosevic,Milos (2190), International ch–Central Serbian Op A, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 e6 7.Bb2 Nd7 8.ab4 Ngf6 (8...Bb4?? 9.Bg7 Ngf6 10.Bh8 Bf3 11.gf3+- (11.Bf3?! Qe5 12.Qe2 Qa1+/-)) 9.Nc3 Qc6 10.b5 Qb6 11.0-0 Bd6 12.h3 Bf5 13.Nh4 0-0 14.Nf5 ef5 15.Bd3 Ne5 16.Bf5 Rad8 17.Qe2 Rfe8 18.Ne4 Ne4 19.Be4 (worse is 19.Qe4 g6-/+) 19...Nd7 20.Qg4 Be5 21.d4! Nf6 (21...Bd4 22.Bd4 Combination) 22.Bh7! Nh7 (22...Nh7 23.de5 Zwischenzug; 22...Kh7 23.Qf5 Double attack (23.Qh4 Decoy; 23.de5 Zwischenzug)) 23.de5 Rd5 (better is 23...Qb5 24.Rfb1 Qc5+-) 24.c4 Rd2 25.Bc3 Rd3 26.Rfc1 Red8? (26...Nf8+-) 27.e6 f6 (27...Rc3 28.ef7 Kf7 29.Qf4 Nf6 30.Rc3 Rd4+-) 28.e7 Re8 29.c5! (29.c5 Qb5 30.Qe6 Kh8 31.Qf7+-) 1–0. Barkasz,Andres L – Carta,Daniel, CADAP theme corr, 1975. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 e6 7.c4 Qc6-/+.

    6.Be2 Nf6 7.c4 Qd8 8.d4 e6 9.0-0 ba3 10.Ba3 Ba3 11.Ra3 0-0 12.Qb3 Nc6 13.d5 ed5 14.Qb7 Qb6 15.Qb6 ab6 16.h3 Be6 17.Ng5 Nd4 18.Bd3 Ra3 19.Na3 Ra8 20.Ne6 fe6 21.Nb5 Nb5 22.cb5 Ra3 23.Bc2 Rc3 24.Bd1 Ne4 25.Re1 Rc1 26.Kf1 Nc3 27.Bg4 Re1 28.Ke1 Kf7 0–1. Agarwal,Rohan (2015) – Naroditsky,Daniel (2170), CalChess Masters op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.ab4 Nc6

    7.c3 e5 8.Be2 Bd6 9.Na3 e4 10.Bc4? Qh5-+ 11.Qe2 Nf6?? 12.Qe3 0-0 13.Nd4 Ne5 14.Be2 Nd3! 15.Bd3 ed3 16.Qd3?? Rfe8 17.Kf1 Bf5!! 18.Qf3 Bd3 (18...Bd3 19.Ne2 Be2 20.Kg1 Bf3 21.gf3 Qf3 22.Bb2 Re2 23.c4 Qf2) 0–1. Lefevre,H – Silman,Jeremy D (2390), USA–chT Amateur, 1990.

    7.c3 Ne5 8.Be2 Bf3 9.Bf3 Nf3 10.Qf3 Qf3 11.gf3 g6 12.d3 Bg7 13.Be3 a6 14.Kd2 Nf6 15.Bd4 0-0 16.Re1 e6 17.Na3 Nd5 18.Bg7 Kg7 19.Nc2 Rac8 20.c4 Nf4 21.Re4 g5 22.Rg1 Kf6 23.h4 h6 24.Ne3 Rfd8 25.hg5 hg5 26.d4 Rh8 27.Ng4 Ke7 28.Ne3 Rh2 29.Ng4 Rh3 30.Ne5 f6 31.Rf4 fe5 (worse is 31...gf4 32.Rg7 Kd8 33.Nf7 Ke8 34.Nd6 Kf8 35.Rb7+=) 32.Re4 Rf3 (worse is 32...Rc4 33.de5 Re4 34.fe4=) 33.Rg5 ed4 34.Rd4 Rf2 35.Ke3 Rcf8 36.Rh4 Kd6 37.c5 Kc6 38.Rg6 R2f6 39.Rf6 Rf6 40.Kd4 Rf5 41.Kc4 b5 42.cb6 Kb6 43.Rh8 Rf4 44.Kc3 Rf1 45.Rb8 Kc6 46.Ra8 Kb7 47.Re8 Re1 48.Kd2 Re4 49.Kd3 Rb4 50.Re6 a5 51.Kc3 Rh4 ½–½. Neumann,Ulrich – Chambers,Chris (1785), WC.2002.F.00010, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Nc6)

    7.c3 Ne5 8.Be2 Nf3 9.Bf3 Bf3 10.Qf3 Qf3 11.gf3 a6 12.d3 e6 13.Be3 Nf6 14.Kd2 Nd5 15.Na3 Be7 16.Bd4 Bg5 17.Kc2 0-0 18.Nc4 Bf4 19.Rhg1 f6 20.h4 g6 21.Ne3 Be5 22.Bc5 Rfe8 (worse is 22...Nc3 23.f4 (worse is 23.Bf8 Rf8 24.f4 Bd4+=) 23...Bd4 24.Bd4+/-; 22...Bc3?! 23.Ra4 Nf4 24.Rb1+=) 23.Nd5 ed5 24.h5 Kg7 25.hg6 hg6 26.Rg4 g5 27.Kd2 Kg6 28.Bd4 Bc7 29.Rgg1 Kf5 30.Rge1 Re1 31.Re1 Rc8 32.Re7 Bf4 33.Ke2 Rc7 34.Re8 Be5 35.Be5 fe5 36.Kd2 Rd7 37.Rf8 Ke6 38.Rg8 Kf6 39.Rf8 Rf7 40.Rd8 Ke6 41.Re8 Kd6 42.Rd8 Ke6 ½–½. Neumann,Ulrich (1635) – Capezzali,Roberto (1935), IECG, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Nc6)

    7.c3 Nf6 8.Be2 e5 9.d3 Be7 10.0-0 0-0 11.Nbd2 Rfd8 12.Re1 Bf8 13.Bb2 b5 14.c4 bc4 15.dc4 Qd7 (better 15...Qe6 16.b5 Bb4=) 16.b5+- (16.Ne5?! Ne5 17.Be5 Qd2 18.Bg4 Qb4=) 16...Nb4 17.Be5 Qf5 18.h3 Bf3 19.Bf3 Nd3 20.Bg3 (20.g4 Qg6 21.Ba8 Ne1 22.Qe1 Ra8+-) 20...Rac8 21.Qb1 (worse 21.Ra7 Ne1 22.Qe1 Bb4-/+) 21...Bc5 22.Kh2 (better 22.Rd1 Qg5 23.Nf1+/-) 22...Qg5 23.Ne4 Ne4 24.Re4 Bf2 (24...Nf2? 25.Re5 Qf6 26.Ra6+-) 25.Rg4 Bg3 26.Rg3 Qe5 (26...Qc5!?+=) 27.Ra7+/- h5 (better 27...Nf4!? 28.Qe4 Qc5+/-) 28.Bh5!+- Qh5 29.Rd3 Qe5 30.Kh1 Qe2 31.Rc7 g6 (31...Rb8 32.Rd5 Rd5 33.cd5+-) 32.Rc8 Rc8 33.b6 Rb8 (33...Qe5 34.b7 Rb8 35.Rd7+-) 34.c5 Qf2 35.Rc3 (35.Qg1 Qf5 36.Rd6 Re8+-) 35...Re8 36.Rc1 Re3 (36...Re2 37.Rg1 Rb2+-) 37.b7 Rh3 38.gh3 Qf3 39.Kg1 Qg3 40.Kf1 Qh3 41.Ke2 Qg2 42.Ke3 Qg3 43.Kd4 Qf4 (43...Qb8 44.Qe4 Qd8 45.Kc4 Qf8+-) 44.Kd5 Qd2 45.Kc6 Qg2 46.Kb6 (46.Kb6 Qg3 47.Rd1+-) 1-0. Beerdsen,Thomas (2480) - Avramidou,Anastasia (2245), Anogia GRE, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.c3 Nf6 8.h3 Qe4 9.Qe2=+ Bf3 10.gf3 Qe2 11.Be2. Kuna,Heiko (2420) – Scheer,Walter (2135), RS–Pyramide remoteschach.de, 2010.

    7.Nc3 Qd7 8.Bb5= Nf6 9.0-0 e6= 10.Ne5 Bd1-/+ 11.Nd7 Kd7 12.Rd1 Bb4 13.Na4 Kc7 14.c3 Bd6 15.Ba3 Ba3 16.Ra3 a6 17.Bc6 Kc6 18.d4 Nd7 19.c4 b5 20.cb5 ab5 21.Rc3 Kd6 22.Nc5 Nc5 23.dc5 Kc7 24.f3 Rhd8-+ 25.Rb1 Kc6 26.Rb2 Rd5 0–1. Aguilera,Jorge – Martinez,Carlos Alejandro, Zarate op 3th, 1974.

    7.Nc3 Qd8 8.h3+= Bh5 9.Ba3 Nf6 10.Be2 e6 11.b5 Nb4 12.0-0 Be7 13.Na2 Nbd5 14.Be7 Qe7 15.c4 Nf4=+ 16.Nd4 Qc5-/+ 17.Bh5 N6h5 18.Ne2 Qc4 19.Nf4-/+ Nf4 20.Qf3 Nd5 21.Rfc1 Qf4 22.Qf4= Nf4 23.Rc7 Rd8 24.Nb4 Rd7= 25.Rc4 Ng6 26.Ra7+= b6 27.Ra6 0-0 28.d4+/- Rb7 29.Rc6 Rfb8 30.Rd6 Ne7 31.g4 Kf8+= 32.Kf1 Ke8 33.Ke2 Nc8-/+ 34.Rc6 Na7 35.d5 Nb5 36.Kd3 ed5 37.Nd5=+ Rd7 38.Ke4 Nd6 39.Ke5 Nc8 40.Ra1?? Rd5!-+ 41.Kd5 Ne7 42.Kd6 Rd8 43.Kc7 Rc8 44.Kb6 Rc6 45.Kb5 f6 46.Re1 Rc2 47.f4 Rc3 48.h4 Kf7 49.Rf1 Rg3 50.g5 f5 51.h5 0–1. Stupfler,R – Lozano,Tomas R, ARG–chB Buenos Aires (7), 1976.

    7.Nc3 Qd8 8.h3 Bh5 9.Bb5 e6 10.g4 Bg6 11.h4 h6 12.Ne5 Qc7 13.Qe2 Bb4? (better is 13...Bc2 14.d4 Bh7+/-) 14.Nd5!!+- (14.Nd5 ed5 15.Nc6 (15.Ng6?! Kd7 16.Nh8 Re8 17.Qe8 Ke8 18.Ra7 Nge7+=) 15...Kf8 16.Nb4+-; 14.Ng6?! Bc3 15.dc3 fg6 16.Qe6 Qe7=) 1–0. Capron,Daniel (2105) – Rabier,Jean (1870), St Chely d'Aubrac op 4th, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Nc6)

    7.Nc3 Qe6

    8.Qe2 Qd7 9.b5 Nd4 10.Qd3 Bf3 11.gf3 e5 (11...Nf6 12.Ne4=) 12.Rg1 (12.b6!? a6 13.Nb5+=) 12...Ne7= 13.f4 Ng6 14.Bh3? (14.Ne2 Nf4 15.Nf4 ef4 16.Kd1=) 14...f5?? (better is 14...Nc2 15.Qc2 Qh3-+) 15.Ne2= Bc5 16.Ba3?? (better is 16.Bb2 0-0 17.Bd4 Bd4 18.Ra4=) 16...e4-+ 17.Nd4 (17.Qe4 fe4 18.Bd7 Kd7 19.Bc5 Nc2 20.Kd1 Na1 21.f5-+) 17...ed3 (17...Qd4 18.Qd4 Bd4 19.c3+/-) 18.Bc5 Qd5 19.Nb3 (19.c3 Nf4 20.Bf5 g6 21.Ba7 gf5-+) 19...Nf4 20.0-0-0 (20.Bf1 Rc8 21.Be3 dc2-+) 20...Ne2 21.Kb2 Rc8 22.cd3 (22.Bg2 Qe5 (22...Rc5?! 23.Bd5 Rd5 24.Rg7 Rb5 25.Ra1+=) 23.c3 Rc5-+) 22...Rc5 (better is 22...Ng1!? 23.Re1 Kf7 24.Rg1 Rc5 25.Bg2 Qd3 26.Nc5 Qd4 27.Kb3 Qc5 28.Bf1-+) 23.Bg2 Qd3 24.Nc5 Qd4 25.Kc2 (25.Ka2 Ng1 26.Nb3 Qf2 27.Rc1-+) 25...Qc5 26.Kd3 Nf4 0–1. Go,Benjamin (2170) – Bosboom,Manuel (2400), 20th Hogeschool Zeeland Tournament, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Nc6 7.Nc3 Qe6)

    8.Qe2 Qd7 9.Qc4 Bf3 10.gf3 Nf6 11.Na4 Rc8 12.Nc5 Qf5 13.f4 e5 14.Bd3 Qh3 15.fe5= Bc5 16.Qc5 Nd7= 17.Qd6 Nde5 18.b5 Rd8-+ 19.Qc5 Nd3 20.cd3 Nd4 21.Ba3 Qe6 22.Kf1 Qe2 23.Kg2 Qf3 24.Kg1-/+ Qg4 25.Kf1 Qh3 26.Ke1 Qe6 27.Kf1-+ Nb3 28.Qc3 Na1 29.Qg7 Kd7 30.Qa1 Qd5 31.Rg1 Qd3 32.Ke1 Rhe8 33.Kd1 Qb3 (33...Qb3 34.Kc1 Rc8 35.Qc3 Qa3 36.Kb1 Rc3 37.d3 Qb4 38.Ka2 Ra3) 0–1. Buervenich,S (2220) – Arakhamia,K (2425), 2nd ch–EUR Women (2), 2001.

    8.Qe2 Qe2 9.Be2 e6 (9...Nb4!? 10.Kd1 Nf6=+) 10.Nb5 Kd7 11.c3 Nf6 12.Na3 Bd6 13.Nc4 Bc7 (13...Bf3 14.Bf3 Nd5 15.b5=) 14.b5+- Bf3 15.Bf3 Nd8 16.0-0 Nd5 17.Nb2 (17.Ne3 Ne3 18.fe3+=) 17...f6 (better 17...Bd6!?=) 18.Na4+- Ke7 19.c4 (19.Re1!? Nf4 20.Nc5+-) 19...Nb6 20.Nb6 Bb6 21.Ba3 Kf7 22.c5 Bc7 23.d4 a6 (23...g5 24.Bb2+-) 24.b6 (24.Bb4!?+-) 24...Bf4+- 25.g3 Bh6 26.d5 ed5 (better 26...Rb8!?+-) 27.Bd5 Kg6 28.f4 f5 29.Rae1 Rb8 30.Re7 Rf8 31.Bb2 Rc8 32.Rd7 Nf7 (32...Rf7 33.Bf7 Nf7 34.Re1+-) 33.Re1 Nd8 34.Rd6 Rf6 35.Bf6 gf6 36.Re8 1–0. marekt (2585) – bobby fissure (2155), ChessWorld.net, 2021.

    8.Qe2 Bf3 9.Qe6 fe6 10.gf3 Nb4 11.Kd1 Kf7 12.Ne4 h6 13.Nc5 b6 14.Nd7 Nf6 15.Nb6! Rb8 (15...ab6 16.Ra8) 16.Nc4 Nc6 17.Ra6 Nd4 18.Ne5 Kg8 19.c3 Nb5 20.Bh3 (worse is 20.Re6 Nc7 21.Rc6 Ncd5+-) 20...Kh7 21.Be6 g6 22.Bf7 1–0. Van Dijk,Bram (2275) – De Ruiter,Ton, Guernsey op, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Nc6 7.Nc3 Qe6)

    8.Qe2 Bf3 9.Qe6= fe6 10.gf3 Nb4 11.Kd1 g6 12.Nb5 Kf7 13.Bb2 Nf6 14.Bh3 Nbd5 15.Be5 Bh6= 16.Nd4 Nf4 17.Bf4 Bf4 18.Ne6 Bd6 19.Ng5 Kg7 20.Ne6 Kf7 21.Ng5 Kg7 ½–½. Mordiglia,R – Frank,A, Asti (6), 1995.

    8.Be2 Bf3-/+ 9.gf3 Nd4 10.0-0? Ne2 (10...Qb6 11.Na4 Qb4 12.c3 Ne2 13.Qe2+=) 11.Ne2 (11.Qe2 Qd7=) 11...Nf6 (11...Qc6 12.Nd4 Qd6 13.Nb5+=) 12.d4 Qc4 13.Nf4 (13.c3 h6+=) 13...e6 (13...a6 14.Ra3+=) 14.d5 (better is 14.Qd3!? is worthy of consideration 14...Qc6 15.d5 Nd5 16.Nd5 Qd5 17.Qd5 ed5 18.b5+=) 14...Bd6 15.Qd3 Qd3 (15...Qb4 16.de6 fe6 17.Ne6+/-) 16.Nd3 Nd5 17.c4? (better is 17.Be3-/+) 17...Nb4-+ 18.Ba3 (18.Nb4 Bb4 19.Ra4 a5-+) 18...Bh2! (18...Nd3?! 19.Bd6 Kd7 20.c5-+) 19.Kh2 Nd3 0–1. Capron,Daniel (2180) – Bremond,Eric (2285), FRA–chT2S, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    8.Be2 Bf3 9.gf3 Nd4 10.Ne4 Nf6 11.Bb2 Ne2 12.Qe2 Nd5 13.Rg1 Nb4 14.Qb5 Nc6 15.d4 Rd8 16.Ra7 f5 17.Rg5 Rd5 18.Ra8 Kf7 19.Qb3 g6 20.Kf1 Bg7 21.Rh8 Bh8 22.Rh5 Kg8 23.Nc3 Rd6 24.d5 Nd4 25.Qb7 Qd7 26.Qb8 Qd8 27.Qd8 Rd8 28.Rh3 Nc2 29.f4 Rb8 30.Bc1 Nb4 31.d6 ed6 32.Ba3 Bd4 33.Na4 Nd5 34.Bd6 Rb1 35.Kg2 Ra1 36.Ra3 Nf4! 37.Kg3 Ra3 38.Ba3 Nd3 39.f4 Kf7 40.Bd6 Ke6 41.Bc7 Kd5 42.Kf3 Ne1 43.Ke2 Nc2 44.Kd2 Ne3 45.Nc3 Kc6 46.Ne2 Bc5 47.Bd8 Nf1 48.Kd3 Nh2 49.Nc3 Ng4 50.Ke2 Bd4 51.Nd1 Kd5 52.Kf3 Kc4 53.Ke2 Bf6 54.Bb6 h6 55.Ba5 Kd4 56.Nc3 Ne3 57.Nb5 Kc5 58.Nc7 Nd5 0–1. Vorobiev,Alexander (2100) – Dyakov,Alexander (2235), IECG, 2003.

    8.Be2 Bf3 9.gf3 Qe5=.

    8.Be2 Bf3 9.gf3 Nf6 10.d4 Nb4 11.Nb5 Qd7 (11...Qf5 12.Kd2 Qd7 13.c3 Na6 14.Ke1 e6 15.Bf4 Nd5 16.Be5 f6-/+ –1.09) 12.c3 Nbd5 (12...Na6 13.Bf4 Nd5 14.Be5 e6 15.Qb3 Kd8 16.Rg1 f6-/+ –0.78) 13.c4 Nc7 14.Ra7 (14.Na7 e6 15.c5 Nfd5 16.Qb3 Be7= –0.06) 14...Ra7 15.Na7 e6 16.Qb3 (16.c5 Be7+= –0.31) 16...Qd6 (better is 16...Na6!? 17.c5 Qd4 18.Ba6 ba6+=; 16...Qd4+= –0.53) 17.Qb7+/- Qb4 18.Qb4 Bb4 19.Bd2 Be7 20.Nc6 Kd7 21.Ne5 Ke8 22.Bd1 Bd6 23.Ba4 Kf8 24.Ke2 Nh5 25.Rb1 Ke7 26.Bc6 Rc8 27.h4 f6 28.Nd3 Kf8 29.c5 Be7 30.Nf4?? (better is 30.Rb7 Bd8 31.f4+-) 30...Nf4+= 31.Bf4 e5 32.Bb7 Re8 33.Bg3 Ne6 34.de5 Nc5 35.Bc6 Rc8 36.ef6 Bf6 37.Bd5 Rd8 38.Rb8 Rb8= 39.Bb8 Bh4 40.Bd6 Be7 41.Bc5 Bc5 42.f4 Ke7 43.Be4 h5 44.Bg6 h4 45.Kf3 Kf6 46.Be4 Bb6 47.Bd3 Bc5 48.Bc4 ½–½. Bonafede,A (2280) – Negi,P (2595), Unive Open Hoogeveen NED, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.ab4 Qe4

    7.Qe2 Bf3 8.gf3 Qb4 9.Na3 Qd6 10.Nb5= Qd7 11.d4 Nf6?? 12.Bf4+/- Nd5 13.Qe5 e6 14.Bc4?? Nc6-+ 15.Qe4? Bb4 16.Kf1 f5 17.Qe6 Qe6 18.Bd5 Qf6 19.Kg2 Kd7 20.c3 Bd6! 21.Nd6 g5 22.Bc6 Kc6 23.Be5 Qe6 24.c4 Kd7-+ 25.Nb7 Rhc8 26.Nd6 Rg8 27.Ra6 g4 28.f4 Qh6 29.Rb1 Qh3 30.Kg1 Rgc8?? 31.Nc8 Kc8 32.Rf6+= Qd3 33.Rf8 Kd7 34.Rb7 Kc6 35.Rc7 Kb6 36.Rf6 Ka5 37.Rc5 Kb4 38.Rb5? Kc4-+ 39.Rc5 Kb3 40.Rc1 Rc8 ½–½. Marino,D – Larsen,B2, Robecchetto op (5), 1996.

    7.Qe2 Bf3 8.gf3 Qc2 9.Nc3 Nf6 (better 9...Nc6!?-/+) 10.Qb5= Nbd7 11.Bd3 Qb3 12.Bc4 Qc2 13.Rg1 g6 14.Bd3 Qb3 15.Bc4 Qc2 16.Rg5 Bh6 17.Bd3 (17.Qb7? Rb8 18.Rc5 0-0 (18...Rb7?? 19.Rc8) 19.Qa7 Nc5 20.bc5 Rbd8-+) 17...Qb3 18.Bc4 Qc2 19.Re5 (better 19.Bd3 Qb3 20.Bc4 Qc2=) 19...Rc8?? (better 19...a6 20.Qb7 Rb8=+) 20.Bd3+/- Qb3? (better 20...Qd3 21.Re7 Ke7 22.Qd3 a6+/-) 21.Ra3+- Rc3?? (21...Qa3 22.Ba3 Bf4+-) 22.dc3 (22.Rb3 Rc1 23.Ke2 a6 24.Qb7 Ne5 25.Qb8 Kd7 26.Qe5 Rc6 27.Qd4 Ke8+/-) 22...0-0 (22...Qa3 23.Ba3 b6+-) 23.Rb3 Ne5 (23...Bc1 24.Re7 Nb6 25.Rb7+-) 24.Qe5 (better 24.Bh6 Nd3 25.Qd3 Rc8+-) 24...Bc1 25.Ke2 (25.Kd1 Bh6 26.Qe7 Kg7+-) 25...Bh6 (25...Rd8 26.Be4 (26.Qe7?! Re8 27.Qe8 Ne8+-) 26...Kg7 27.Rb1+-) 26.Ra3 (26.Qe7?! Re8 27.Qe8 Ne8+-) 26...Bg7 (26...Nh5 27.Kf1 Rd8 28.Ra7+-) 27.Qe3 (27.Ra7 e6 28.c4 Nd5+-) 27...Nd7 (27...Nd5 28.Qd2 a6+-) 28.Qe7 Ne5 (28...Nb6 29.Qb7 Nc8 30.Bc4+-) 29.Qb7 Rd8 (29...Nd3 30.Kd3 Be5 31.b5+-) 30.Ra7 Nd3 (30...Re8 31.Bb5 Nc6 32.Kf1+-) 31.Ra8 (31.Qf7 Kh8 32.Qg7) 31...Nf4+- 32.Kf1 Ra8 (32...Bf6 33.Rd8 Bd8 34.b5+-) 33.Qa8 Bf8 34.b5 Kg7 35.b6 Ne6 36.b7 Bd6 37.b8Q Bb8 38.Qb8 1-0. Hambleton,A (2450) - Gabdrakhmanov,Azat (2325), Titled Tuesday 2nd June, 2020. (=1.e4 c5 2.b4 d5 3.ed5 cb4 4.a3 Qd5 5.Nf3 Bg4)

    7.Qe2 Bf3 8.gf3 Qe2 9.Be2 Nf6 10.Nc3 Nc6 11.Nb5 Nb4 12.Ra4 Na6 13.Ra6+= ba6 14.Nc7 Kd7 15.Na8 e6 16.f4 Be7 17.Bf3 Nd5 18.c4 Nb4 19.Ke2 Nc6 20.Bb2 Ra8 21.Ra1 a5 22.f5 Bf6 23.Bf6 gf6 24.Bc6 Kc6 25.Ra5 Kb6 26.Rb5 Kc6 27.d4 a5 28.Rb3 a4 29.Ra3 Kb6 30.fe6 fe6 31.Kd3 Ka5 32.f4 f5 33.d5 ed5+= 34.cd5 Kb4 35.Ra2 Kc5 36.d6 Kd6 37.Kc4 a3 38.Rd2 Kc6 39.Kb3. Peeters,T (2005) – Wijgers,T (1925), ch–BEL Open Antwerp BEL, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.Be2 Bf3

    8.gf3 Qg6 9.Kf1 e5 10.c3 Nc6 11.Bb5 Nge7 12.d3 Qf5 13.Be3 Qh3 14.Ke2 a6 15.Qb3 Rd8 16.Bc4 Qf5 17.b5 ab5 18.Bb5 Nc8 19.Rg1 g6 20.Rg5 Qf6 21.Nd2 Bg7 22.Ne4 Qe7 23.Ra8 Qc7 24.Bc5 1–0. Neumann,Ulrich – Giordana,Marco, SEMI Chessfriends email, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4 7.Be2 Bf3)

    8.gf3 Qh4 9.Nc3 e6 10.Nb5 Qd8 11.Ra7 Ra7 12.Na7 Bb4 13.c3 Be7 14.Qb3 Qc7 15.Nb5 Qb6 16.Qa4 Nf6 17.Nd6 Kf8 18.Nc8 Qc6 19.Qc6 Nc6 20.d4 Ke8 21.Kd2 Bf8 22.Nb6 Bd6 23.Kc2 Ke7 24.Nc4 Ra8 25.Nd6 Kd6 26.Bf4 Kd7 27.Rb1 Kc8 28.Bc4 Nd5 29.Bd2 Kc7 30.Rb5 Ra5 31.Ra5 Na5 32.Bd3 Nf6 33.c4 Nc6 34.Bf4 Kd7 35.Kc3 h6 36.Bc2 b5 37.Be5 bc4 (< 37...Ne5 38.de5 b4 39.Kb4+/-) ½–½. Szily,Jozsef – Gereben,Erno, HUN–ch06 Budapest, 1950.

    8.gf3 Qb4

    9.Na3 Qa5 10.Bb2 Nc6 11.c4 e6 12.Bc3 Qg5 13.Qb3 Rb8 14.Nb5 a6 15.Nc7 Kd7 16.Na8 Qg2 17.Nb6 Kc7 18.Rf1 Qh2 19.d4 Qf4 20.Qb2 Qf6 21.0-0-0 (21.Rb1!? Bd6 22.c5-/+) 21...Qh6 22.Kb1 Rd8 23.d5 ed5 24.cd5 Nb4 25.Rc1 Qg6 (25...Kb6 26.Bd4 Bc5 27.Qb4 Kc7 28.Qc5 Kd7 29.Qc7 Ke8 30.Rfe1 Qg6 31.Bd3 Qe6 32.de6 Ne7 33.ef7 Kf7 34.Qe7 Kg8 35.Qg7; 25...Qb6 26.Bd4 Bc5 27.Bc5 Qg6 28.Ka1+-) 26.Ka1 Kb8 (26...Qb6 27.Bd4 Bc5 28.Rc5 Kd7+-) 27.Be5+/- Bd6 28.Bg7 f6 29.Rg1 Qg1 30.Rg1 Be5 31.Qe5! fe5 32.Bh8 Kc7 33.Nc4 Nd5 34.Rg7 Kc8 35.Rh7 b5 36.Ne3 Ne3 37.fe3 Rd2 38.Rh2 Rd5 39.f4 ef4 40.ef4 Kc7 41.Rh7 Kb6 42.Rg7 Rd8 43.Rg6 (43.Rg6 Kc5 44.Ra6+-) 1–0. Tatlow,Stephen – Charsley,Keith, BPCTC–chT corr, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4 7.Be2 Bf3)

    9.Na3 Qa5 10.Bb2 Nc6 11.c4 Qg5 12.Qb3 0-0-0 13.d4 Qg2 14.0-0-0 Qf2 15.d5 Na5 (15...Qe2?! 16.Rd2 Qd2 17.Kd2=) 16.Qb5 Qe3 17.Kb1 Qe2 18.Qa5 a6 (18...Qf3?! 19.Qc5 Kd7 20.Qb5 Kc7 21.Qa5 Kd7 22.Qb5 Kc8 23.Qc5 Kd7 24.Qb5=) 19.Rhe1 Qf2 (19...Qf3 20.Be5 Qf5 21.Ka1 Kd7 22.Qa4 Kc8+/-) 20.c5?? (better is 20.Be5!? Rd7 21.Nb5+-) 20...Nf6 (20...Qf3 21.c6 Rd7+- (21...bc6?? 22.Qa6 Kc7 23.Nb5 cb5 24.Qa7 Kc8 25.Rc1 Qc3 26.Rc3#)) 21.Be5 Nd5 22.Nc4 Qe1 23.Re1 f6 24.Nb6 Nb6 25.Qb6 Kd7 (25...fe5 26.c6 bc6 27.Qc6 Kb8 28.Qb6 Ka8 29.Qd8 Kb7 30.Qd7 Kb6 31.Rc1 Ka5 32.Qd5 Kb6 33.Rc6 Ka7 34.Rc7 Kb6 35.Rb7) 1–0. Bronstein,David I (2440) – Comp Deep Thought II, Palo Alto rap rapid, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4)

    9.Nc3 Qb6 10.Rb1 Qc7 11.Nb5 Qd7 12.Rb3 a6 13.Nc3 e6 14.Bb2 Nc6 15.Ne4 e5 16.f4 Nd4 17.Bd4 ed4 (worse is 17...Qd4 18.Bf3 ef4 19.Rb7=) 18.Bf3 Rb8 19.Qe2 Kd8 20.Ng5 b5 21.Qe5 Rb6 22.Rd3 Rd6 23.Rd4 Rd4 ½–½. Neumann,Ulrich – Dunn,Paul Michael, IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4 7.Be2 Bf3 8.gf3 Qb4)

    9.Nc3 Qb6 10.Rb1 Qc7 11.Nb5 Qd7 12.d4 Nf6 13.Bf4=+ Nd5 14.Be5 Nc6-/+ 15.c4 Ne5 16.cd5 Ng6 17.Na7 Kd8 18.Qb3 Qc7 19.Qa3 e6 20.Qa2 Bd6 21.de6 fe6 22.Kf1 Nf4 23.Rg1 g6 24.Ra1 Qc3 25.Rb1 Qc7 26.h4?? Rf8-+ 27.Ra1 Ra7! 28.Qa7 Ne2 0–1. Torre,Isidro (1970) – Dunn,Michael (1755), IECC, 1999.

    9.Nc3 Qb6 10.Nb5 Nc6= 11.d4 Rd8 12.Be3 e6? 13.Qb1+/- Rd5 14.c4+- Rd4 15.Nd4 Bb4 16.Kf1 Nd4 17.Qe4 Bc5 18.Rb1 Qd6 19.Qb7 Qd8 20.Rg1 g6 21.Qb8 Ne7?? 22.Qe5 (22.Qe5 0-0 23.Qc5 Ne2 24.Ke2+-) 1–0. Hamann,C (2215) – Koller,J (2245), ch–GER, Koenigshofen GER, 2007.

    9.Nc3 Qc5 10.Nb5 Nf6 11.d4 Qc8 12.c4 e6 13.Ra7 Ra7 14.Na7 Bb4 15.Kf1 Qd7 16.Rg1 0-0 17.Nb5 Rd8 18.Qb3 Nc6 19.Bb2 Nh5 20.f4 Nf4 21.Rg7?? (better is 21.d5 g6 22.Bf6 (22.dc6 Qd2 23.Rg6 hg6 24.Nc3 Bc3 25.Kg1 Qe2 26.h3 Qf3 27.Bc3 Qg2) 22...ed5 23.Bd8 dc4 24.Bc4-/+) 21...Kg7-+ 22.d5 Kf8 23.dc6 Qd2 24.Qb4 Qb4 25.c7 (25.Ba3 Qa3! 26.Na3 bc6-+ (worse is 26...Ne2 27.c7 Rc8 28.Ke2-+)) 25...Rc8 (better is 25...Ke8 26.cd8Q Kd8 27.Bf6 Kd7-+) 26.Ba3 Qa3! 27.Na3 (27.Na3 Ne2) 27...Ne2 28.Ke2 Rc7 29.Kd3 Rc5 30.Nb5 Ke7 0–1. Hamann,Carsten (2210) – Sievers,Stefan (2355), GER CupT Hamburg, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4 7.Be2 Bf3 8.gf3 Qb4)

    9.Nc3 Qd4 10.Ra4 Qd7 11.Ba3 Nf6 12.Qb1 Nc6 13.Ne4 Ne4 14.Re4 (14.fe4 e5-/+) 14...Rd8 15.Bd3 e5 (15...e6 16.Bb2-+) 16.Bb2-/+ f6 17.Bc3 (17.f4!?+=) 17...Bc5 18.Qb5 (18.f4!? 0-0 19.fe5 Ne5 20.Be5 fe5 21.Rf1-/+) 18...Bd4-+ 19.Rh4 (19.Bd4 Nd4 20.Qd7 Kd7-+) 19...Bc3 20.dc3 f5 21.Qb3 Qe7?? (better is 21...g6-+) 22.Rh7+= Rh7 23.Qg8 Kd7 24.Qh7 Qg5 25.Qf5 Qf5 26.Bf5 Ke7 27.Rg1 Kf6 28.Be4 Ne7 29.c4 b6 30.Ke2 Rc8 31.Ra1 Rc7 32.Kd3 Nc8 33.Rg1 Ne7 34.h4 Rc8 35.Kc3 b5 36.Bd3 bc4 37.Be4 a5 38.Rb1 Rc5 39.Rb6 Kf7 40.h5 Nc8 41.Bg6 Ke7 42.Rb7 Kf8 43.Rf7 Kg8 44.Rd7 Kf8 45.Rd8 Ke7 46.Rg8 Kf6 47.Rf8+/- Kg5 48.Rf5+- Kh6 49.f4 Nd6 50.Re5 Nb5 51.Kb2 Re5 52.fe5 Kg5 53.f4! Kf4 54.e6 c3 55.Ka2 Ke3 56.e7 Nd6 57.e8Q Ne8 58.Be8 Kd2 59.Bg6 1–0. Procop,Egor (2060) – Ostapchik,Anton (1900), Budva MNE, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4 7.Be2 Bf3 8.gf3 Qb4)

    9.Nc3 e6 10.Nb5 Qc5 11.d4 Qc6 12.0-0 Be7 (12...Na6!?=+) 13.Na7+= Qc3 14.Ra2 (14.Ra4 Na6 15.Bb5 Kf8 16.Ba6 ba6 17.Ra6 Qc4+=) 14...Na6= 15.Bb2 Qc7 16.Nb5 Qc8 (16...Qf4 17.Bc1 Qb8 18.Be3=) 17.d5+= Nf6 18.d6 Bd8 19.d7! Qd7 (19...Qd7 20.Qd7 Double attack; 19...Nd7 20.Bg7 Pinning (20.Nd6 Deflection)) 20.Qd7 Kd7? (20...Nd7 21.Nd6 Ke7 22.Nb7 Nc7 23.Ra8 Na8+-) 21.Rd1+- Kc6?? (better 21...Kc8 22.Nd6 Kc7+-) 22.Rd6 Kc5 23.Bd4 (23.Ra4 e5 24.Ba3 Nb4 25.Bb4) 23...Kb4 24.Rb2 Ka4 (24...Ka5 25.Bc3 Ka4 26.Ra2) 25.Nc3 Ka3 (25...Ka5 26.Rb5) 26.Rb3 1-0. Golubov,Saveliy (2465) - Efremov,Vladislav (2275), Aeroflot Open B, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    9.Nc3 e6 10.Nb5 Qc5 11.d4 Qc6 12.Bf4 Na6 13.Ra6 ba6 14.Nc7 Kd8 15.Na8 Qa8 16.0-0 Nf6 17.Qd2 Nd5 18.Rb1 Nb6 19.Qa5 Qb7 20.c4 Ke7 21.c5 Qd5 22.Qa6 Qf5 23.Qa7 Kf6 24.Be5 (24.Be5 Kg6 25.Qb6+- (worse is 25.Rb6 Bc5 26.Bd3 Qd3 27.Re6 f6 28.dc5 Qf3+-; 25.cb6?! Qb1 26.Bf1 Bb4+-); 24.Rb6?! Qf4 25.Qa1 Qg5 26.Kh1 Qd2+/-; 24.Qb6 Qf4 25.Qd8 Kg6+-) 1–0. Dacquin,Serge – Lacoste,Alain, FRA AJEC007 corr, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Qe4 7.Be2 Bf3 8.gf3 Qb4)

    6.ab4 Bf3

    7.Qf3 Qd4?? 8.Qb7 Qe5 9.Be2 +-.

    7.Qf3 Qe5 8.Kd1 Nc6 9.Nc3 +=.

    7.Qf3 Qe5 8.Be2?? Qa1-/+ 9.Qb7 Qb1?? (better is 9...e6-/+) 10.Qc8 1–0. Maddigan – unknown, California, 1970. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3)

    7.Qf3 Qe5 8.Be2?? Nc6?? 9.c3+= e6 10.Na3 Nf6 11.Nc4 Qb8 12.b5 Nd8 13.d4 Nd5 14.0-0 Be7 15.Ne5 Qc8 16.c4 Nf6 17.Bd3 h5 18.Bg5 Qc7 19.Bf4 Qc8 20.Rfe1 Ng8 21.d5 g5 22.Bd2 g4 23.Qf4 (23.Qf4 Bf6 24.d6 Be5 25.Qe5+-) 1–0. Ingvaldsen,Jonas A (1880) – Hansen,Pal Andreas (1740), Trondheim tt U26, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3)

    7.Qf3 Qf3

    8.gf3 Nc6 9.Bb2 e6 10.Bb5 Nh6 11.ab4 Bb4 12.c3 Be7 13.d5 (better is 13.Rg1!? Nf5 14.Bd3-/+) 13...ed5-+ 14.c4 0-0 15.cd5 Nb4 16.0-0 (16.Rg1 g6-+) 16...Nd5 17.Rd1 Rfd8 18.Bd4 (18.Nc3 Nc3 19.Bc3 a6-+) 18...a6 19.Bc4 Nf4 20.Na3 (20.Nc3 Rac8 21.Bf1-+) 20...Ba3 21.Ra3 Nf5 0–1. Todorova,K (1830) – Nikolova,A (2310), 60th ch–BUL w Final, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.d4 Bf3 7.Qf3 Qf3)

    8.gf3 Nc6 9.b5 Nd4 10.Ra4 e5 11.f4 Bc5? (better is 11...f6!?+=) 12.c3+- (12.fe5?! Nc2 13.Kd1 Nd4+/-) 12...Nf5 13.fe5 Rc8 14.Bg2 Rc7 15.d4 Bd4 16.cd4 Rc1 17.Kd2 Rc7 18.Bh3 (18.Ra7?! Nd4 19.b6 Rd7 20.Bb7 f6 21.Ra8 Rd8 22.Rd8 Kd8+-) 18...Ngh6 19.b6 (19.Ra7?! Rd7 20.Ra8 Rd8 21.Rd8 Kd8+-) 19...Rc8 20.ba7 0-0 21.Bg2 Rfd8 (21...b5 22.a8Q Ra8 23.Ra8 Nd4+-) 22.Bb7 Nd4 23.Bc8 Nc6 24.Ke2 Na7 25.Rc1 (25.Rc1 Nc8 26.Ra8+-) 1–0. Shirazi,Kamran G (2405) – Labat,Christian (1965), Syre Memorial op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3)

    8.gf3 Nc6 9.b5 Nd4 10.Kd1 e6 11.Na3 Nh6 12.c3 Nb3 13.Ra2 Nc1 14.Kc1 e5 15.Nc4+= f6 16.f4 ef4 17.Bg2 Rc8 18.Re1 Kd8 19.Na5 Kc7 20.Nb7 Kb8 21.Kb2 Bc5 22.Nc5 Rc5 23.Re7 Rb5+/- 24.Kc2 a5 25.c4 Rc8 26.d3 Nf5 27.Rd7 Rcc5 28.Kd2 Rb6+= 29.Kc3 Rb1 30.Re2 Re5= 31.Be4 h6 32.d4+/- Re7?? (better is 32...f3 33.Bf3 Re2 34.Be2 a4+=). Ali,Mosadeque – O'Brien,Rory, Australian Capitol Territory Championship, 1996.

    8.gf3 e5 9.Bb2 Nd7 10.Bb5 Bb4 11.Be5 f6 12.Bd4 a6 13.Nc3 Ne7 14.0-0 Rc8 15.Ba4 Rc4 16.Be3 (better is 16.Ne2=) 16...Nf5?? (better is 16...Bc3!? 17.dc3 Rc3=) 17.Nd5+/- Ne3 (17...Bc5 18.Bc5 Rc5 19.Nb6+/-) 18.fe3 (18.de3 Bc5+-) 18...Rc5?? (better is 18...Bc5+/-) 19.Nb4+- 1–0. Hague,Ben (2185) – Pollard,Matthew, Wigan Winter Congress, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    8.gf3 e5 9.b5 Nf6 10.Bg2 Nbd7 11.f4 e4 12.Nc3 Nc5 13.f3 ef3 14.Bf3 Kd7 (14...0-0-0!?+/-) 15.0-0+- Kc7 16.f5 Bd6 (better is 16...Rd8 17.Ra7 g5+-) 17.d4 Ncd7 18.b6! Nb6 (18...ab6 19.Nb5 Deflection; 18...Kb6 19.Rb1 Deflection; 18...Nb6 19.Nb5 Deflection) 19.Nb5 Kd7 20.Bb7 Rae8? (20...a5 21.Nd6 (21.Ba8?! Ra8 22.Ba3 Bb8+-) 21...Kd6 22.Rb1+-) 21.Ra7 (21.Nd6 Kd6 22.Ra7 Nfd7 23.Bf4 Ke7+-) 21...Bb8 22.Ra6 Bc7 (22...Re2 23.Rb6 Bh2 24.Kh1 Rc2 25.Na3+-) 23.Bg2 (better is 23.d5 Nfd5 24.Rd1 Re5+-) 23...Nfd5 (23...Nbd5+-) 24.c4! Ne3 (24...Nc4 25.Bd5 Double attack (25.Bd5 Deflection; 25.Bd5 Decoy)) 25.Be3 Re3 26.Ra7 Rc8 27.c5 Nc4 28.d5 (28.Bb7 Rb8 29.Ba6 Kd8 30.Rc7 Na3 31.Rf7 Nb5+-) 28...Re2 (28...Rb3 29.f6 gf6+-) 29.d6 Ne3 (29...Rg2 30.Kg2 Ne3 31.Kg1 Nf1 32.Kf1 g6+-) 30.Bf3 (30.dc7?! Rg2 31.Kh1 Rb2+=; 30.Rc7?! Rc7 31.c6 Rc6 32.Bc6 Kc6 33.Nd4 Kd6 34.Ne2 Nf1 35.Kf1 Ke5+-; 30.Nc7?! Rg2 31.Kh1 Nf1 32.Na6 Kc6 33.Kg2 Ne3 34.Kf3 Nf5 35.Rf7 Ra8 36.Rf5 Ra6+-) 30...Rb2 (30...Nf1 31.c6 Kd8 32.dc7 Ke7 33.Be2 Ne3+-) 31.c6 (31.dc7?! Nf1 32.f6 Ne3+/- (32...Nh2?? 33.Bb7 Nf3 34.Bf3+-)) 31...Kd8 32.dc7 (32.Nc7 Nf5 33.Re1 Rb1 34.Rb1 Nd6+-) 32...Ke7 33.Re1 Rb5 34.Re3 Kf6 35.Rd3 Re8 (35...Rf5 36.Kg2 Rg5 37.Kf2+-) 36.Ra1 (better is 36.Rd8 Re7 37.c8Q Ra7 38.c7+-) 36...Rc8 37.Rd7 Rb3 (37...Re5+-) 38.Bd5 Rc3 39.Ra7 (better is 39.Rf7!? Ke5 40.Be6 Rg8+-) 39...Ke5 (39...Rc1 40.Kf2 Kg5+-) 40.Rd8 (40.Rd8 Rc1 41.Kf2 Rc7 42.Rc7+-) 1–0. Haub,TM (2405) – Yankelevich,L (2360), 13th ch–FRA Blitz, 2015. (=1.e4 c5 2.b4 d5 3.ed5 cb4 4.a3 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3)

    8.gf3 Nf6 9.b5 Nbd7 10.Nc3 g6 11.f4 Bg7 12.Bg2 Nc5 13.d4 Nh5 14.Be3 0-0 15.dc5 Bc3 16.Ke2 Ba1 17.Ra1 1–0. Reinke,Markus (2115) – Dehne,Mirko (2010), Niederrhein–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3)

    8.gf3 Nf6 9.Nc3 e6 10.Ne4 Nd5 11.c3 Be7 12.Rg1 0-0 13.Bb5 Rd8 14.Bb2 g6 15.Nc5 (15.d4 h6=) 15...Bc5+= 16.bc5 a6 17.d4 Nd7 18.Bd3 f5 19.Kd2 (better is 19.Bb1!?=) 19...Nc5!-/+ 20.Bc2 (20.dc5 Nf4) 20...Nd7 21.Rae1 (21.Rge1 Kf7-/+) 21...Kf7-+ 22.c4 Nb4 23.Bb1 Rac8 24.Kc3 a5 25.Kb3 Nb6 26.Rc1 Na6 27.Bd3 Nd7 28.Be2-/+ Nb4 29.f4 Nf6 30.Rg3 Ne4 31.Rh3 h5 32.Bc3? Nc3 33.Rhc3 Rd4 34.Ra1 b6 35.c5 Nd5 36.Ba6 Rc7 37.Rc2 Rb4 38.Ka3 Rc5 39.Rc5 bc5 40.Rc1 Rf4 41.Rc5 Rf2 0–1. Menassa,Elias – Martinez,Christian, COL–ch43 Cartagena, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3)

    8.gf3 e6

    9.Na3 Bb4 10.Nb5 Kd7 11.Rg1=+.

    9.Na3 Nc6 10.c3= Rd8 (10...Nf6 11.d4=) 11.Nc4 (11.Nc2 Ra8=) 11...a6=+ 12.d4 Nf6 13.Rg1 (better 13.Bd2!?=) 13…Bb4!-/+ ½–½. Dimitrov,Pavel (2300) – Georgiev,Krum (2420), 11th Kesarovski–Stanchev Memorial, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3 8.gf3 e6)

    9.Bb2 Nd7 10.Rg1 Ngf6 11.Na3 Rc8 12.Nc4 a6 13.Ne3 (13.b5 ab5 14.Ne3 b4+=) 13...Bb4 14.Rg7 Rg8 (14...Kf8 15.Rg5+=) 15.Bf6+- Nf6 16.Rg8 Ng8 17.Rb1 a5 18.c3 (18.Nc4 b5 19.Rb4 bc4 20.Rc4 Kd8+-) 18...Bd6+= 19.Rb7 Bh2 20.Ra7 Rb8 21.Ra5 Rb1 22.Nd1 (22.Ke2 Nf6+=) 22...Nf6+= 23.Bd3 Rc1 24.Bh7 Bg1 (24...Nh7!? 25.Rh5 Bg1+=) 25.Be4 Bf2 26.Kf2 Rd1 (26...Ne4 27.fe4 Rd1 28.Ke2+-) 27.Ke3 (27.Ke2 Rh1+-) 27...Re1 28.Kd4 1–0. Herbold,Manfred (2170) – Will,Dominik, 3rd Rhein Main op, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3 8.gf3 e6)

    9.Bb5 Kd8 10.Bb2 f6 (10...Bb4?? 11.Bg7 Ke7 12.Bh8+-) 11.Rg1 Ne7 12.c4 (12.Bd4 Nbc6 13.Bb6 Kc8=) 12...Nf5 13.c5 Nc6 14.Bc6 bc6 15.d4 Kc7 16.Nd2 Be7 17.Ke2 Rhb8 18.Bc3 Bf8 19.Ra6 Ne7 20.Rga1 Rb7 21.Kd3 Nd5 22.Kc4 Kd7 23.Nb3 Nc7 24.Rc6 Rb4 25.Bb4 Kc6 26.Na5 Kd7 27.c6 Ke8 28.Bf8 Kf8 29.Kc5 Rd8 30.Nb3 Rd5 31.Kc4 a6 32.Ra5 Rd6 33.Kc5+/- Ke7 34.Kb6 Kd8 35.Kb7 g5 36.Rc5 h5 37.f4! Rd5 38.fg5 Rc5 39.Nc5 fg5 40.Kb8 Nd5 41.Na6 Ke7 42.c7 Nc7 43.Kc7 g4 44.Nc5 h4 45.Ne6! 1–0. Wellington,Francisco (1900) – Montenegro,Quintino (1965), BNB–ch, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3)

    9.c3 Nf6 10.Na3 a6 11.Nb5 Kd8 12.Nd4 Nbd7 13.Rg1 g6 14.Bb2 e5 15.Nb3 Nd5 16.b5 Nc7 17.ba6 (17.f4 ef4 18.c4 Rg8=) 17...Na6 (17...ba6 18.Na5+=) 18.Bc4 f6 (18...Nb6!? 19.Bb5 Bd6+=) 19.Na5+= Kc7 20.Nb7 Kb6 (20...Kb7 21.Bd5 Double attack) 21.Nd8 Be7 (21...Rd8 22.Ra6 Deflection) 22.Ne6 Rhb8 (22...Ndc5 23.Rb1+=) 23.Bd5+/- Ra7 24.Rg4 (24.Bc1!?+/-) 24...Nc7+= 25.Ra7 Ka7 26.Nc7 Rb2 27.Rh4 Nc5?? (better is 27...h5+=) 28.Rh7+- Nd3 29.Ke2 Nf4 30.Kd1 Bd6 31.Nb5 Ka6+/- 32.Nd6 Nd5 33.Nc8 Rb8+/- 34.Nd6 ½–½. Waechter,Thomas – Haug,Joachim, GER–chT U20 Bonn Roettgen, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    9.Rg1 Nc6 10.c3 Nge7 11.Na3 Ne5 12.Be2 a6 13.Bb2 N5g6 14.Nc2 Rc8 15.b5 ab5 16.Ra7 Rb8 17.Bb5 Kd8 18.Ra4 Nc6 19.Ba3 Ba3 20.Ra3 Ke7 21.d4 Ra8 22.Ra8 Ra8 23.Kd2 Kf6 24.Bd3 Nf4 25.Be4 Ra5 26.Rb1 (worse is 26.Bh7 g6-/+) 26...Ra7 27.Bc6 bc6 28.Rb6 Rc7 ½–½. Neumann,Ulrich – Honig,Bernd (2300), IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3 8.gf3 e6)

    9.Rg1 Nc6 10.c3 g6 11.b5 Ne5 12.Be2 Bh6 13.Ba3 Ne7 14.Bc5 Nc8 15.Bd4 Bf4 16.Ra5 f6 (worse is 16...Bh2 17.Rh1 Bf4 18.Rh4+/-) 17.h4 Nd7 18.c4 0-0 19.h5 g5 20.Bb2 Ncb6 21.Ra3 (21.d4!?=) 21...Rfc8-/+ 22.d3 a6 23.ba6 ba6 24.Bd4 Bd6 25.Rb3 Na4 26.Nd2 Rab8 27.Rb8 Rb8 28.Bd1 Nac5 29.Ke2 e5 30.Bc3 (30.Bc5!? Bc5 31.Ba4+=) 30...Ne6-/+ 31.Ne4 Bb4 32.Ba1 Nf4 33.Ke3 Kf7 34.Bc2 Nc5 (better is 34...h6!? 35.d4 Nh5-+) 35.d4+= ed4 36.Bd4 Ne4 37.fe4 Ne6 38.Ba1 Bc5 39.Kf3 Bd4 40.Ba4 Rb4-/+ 41.Bd7 Rb3 42.Kg4 Bf2 43.Rg2 Be1 44.Rg1 Nc5 45.Bc6 Nd3 46.Bd5 Ke7 47.Kf5 Bc3 48.Bc3 Rc3 49.Rg3 a5 50.e5 fe5 51.Be4 Kd6 52.Rd3 Rd3 53.Bd3 h6 54.Kg6?? g4 55.Kh6= e4 56.Be4 a4 57.Kg7 a3 58.h6 a2 59.h7 a1Q 60.Kg8 Qe5 61.h8Q Qe4 62.Qh2 Kc5 63.Qc7 Kb4 64.c5 Qg6 65.Kh8 Kb5?? 66.Qd7= Kc5 67.Qd5 ½–½. Procop,Egor (2060) – Skuhala,Jernej (1910), Budva MNE, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3= Qf3 8.gf3 e6)

    9.Bb2 Nf6

    10.Nc3 Nc6 11.Nb5 (11.b5 Nb4 12.Kd1 Nh5=) 11...Kd7 (11...Bb4?! 12.Bf6 gf6 13.Nc7 Ke7 14.Na8 Ra8 15.c3=; 11...Nb4 12.Kd1 Kd7 13.Ra7 Ra7 14.Na7-/+) 12.Bg2? (better is 12.Bf6!? gf6 13.c3+=) 12...Bb4-+ 13.0-0 (13.f4 a6 14.Nd4 Rhc8-+) 13...a6 (13...Bd2 14.Rfd1 Ke7 15.Rd2+/-) 14.Nd4 Nd4 (14...a5 15.Rfb1-+) 15.Bd4 Rac8 (15...Nd5 16.Rfb1 b5 17.c3-+) 16.Rab1 (16.Bf6 gf6 (worse is 16...Rc2 17.Bg7 Rg8 18.Rfb1+/-) 17.Rfb1 Bd2 18.Rb7 Rc7 19.Rc7 Kc7 20.Ra6 Rc8+=) 16...a5-/+ 17.c3 Bd6 18.Rb7 Rc7 19.Rfb1 Rhc8 20.Bf1 Nd5 21.Rb8 g6 22.Ba6 Rb8 23.Rb8 e5 24.Bb5 Ke7 25.Be3 f5 26.Bg5= Ke6 27.Ra8 Rc5 28.c4 Nc7 29.Ra5= f4 30.Bd8 Nb5+= 31.cb5 Kd7 32.Bb6 Rd5 33.Ra7 Ke6 34.Rh7 Rb5 35.Bc7? Rb7-+ 36.Bd6 Rh7 37.Bb4 Kd5 38.Bc3 Rh5 39.Kg2 Rg5 40.Kf1 Kc4 41.Ke2 Rh5 42.Kf1 Kd3 43.Kg2 Rg5 44.Kf1 e4 45.fe4 Ke4 46.Ke2?? f3 (46...f3 47.Kd1 Kd3-+) 0–1. Van Rekom,R (1895) – Lesot,J (2085), 35th Open Fourmies FRA, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3)

    10.Rg1 Bb4 11.Rg7 Nbd7 12.Bb5 Kf8 13.Rg4 Ng4 14.fg4 Rg8 15.Bd7 Ke7 16.Bb5 Rg4 17.Be2 Rg1 18.Bf1 Bd6 19.h3 a6 20.Nc3 Be5 21.Rb1 Bc3 22.Bc3 b5 23.f4 Rc8 24.Kf2 Rgg8 25.Ra1 Rc6 26.Bg2 Rc4 27.Ra6 Rf4 28.Bf3 f6 29.Ra7 Kf8 30.d4 Rg7 31.Bb4 Kg8 32.Rg7 Kg7 33.c3 e5 34.Kg3 Rf5 35.d5 Rg5 36.Kf2 Rf5 37.Ke3 (37.Ke3 Kf7 38.Be2+-) 1–0. Freedman,William – Zalys,Ignas, corr, 1951. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3 8.gf3 e6)

    10.Rg1 Bb4 11.Rg7 Ke7 12.Ra4 Bd6 13.Na3 Nbd7 14.Nb5 Rhg8 15.Rg8 (worse 15.Ra7 Ra7 (worse 15...Rg7 16.Ra8 Rg1 17.Ra7+=) 16.Na7 Rg7 17.Nc8 Kd8 18.Nd6 b6=+) 15...Ng8 16.Na7 Nb6 (16...Ke8 17.Bb5=) 17.Ra1+= Nf6 18.h3 Rg8 19.Nb5 Bb8 20.Ba3 Kd7 21.Bc5 Nbd5 22.Ra8 Kc6 23.Ba7 (23.Be3 Nd7+/-) 23...Ba7+= 24.Na7 Kc5 25.Rg8 Ng8 26.Nb5 Nf4 27.d4 Kc6 28.c4 Ne7 29.Kd2 Nf5 30.Bd3 Nh4 31.Be4 Kb6 32.Nd6 f5 33.Bb7 Nh3 34.c5 Kc7 35.Kc3 Nf4 36.Kc4 Nhg6 37.d5 h5 38.de6 Ne7 39.Kb5? (better 39.Ba6=) 39...h4-+ 40.Ka6 (40.Be4 fe4 41.Ne4-+) 40...h3 41.Nb5 Kd8 42.c6 Ne6 43.f4 (43.Ka7-+) 43...Nc7 (43...Nf4 44.c7 Kd7 45.Ka5-+) 44.Kb6 Ned5 (44...Ned5 45.Kc5 h2-+) 0-1. Sharikov,Al (2070) - Borisova,Ekaterina (2305), Chelyabinsk RUS, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    10.Rg1 Bb4 11.Rg7 Ke7 12.Nc3 Nc6 13.Ne4 Ne4 14.fe4 a6 15.Be2 Rag8 16.Rg3 Bd6 17.Bh8 Bg3 18.hg3 Rh8 19.c3 Rd8 20.d4 f6 21.f4 Kf7 22.Kf2 Ne7 23.Rh1 Kg7 24.Bd3 h6 25.Ra1 Rd7 26.Ke3 f5 27.ef5 ef5 28.c4 Nc6 29.d5 Ne7 30.Kd4 Kf6 31.Rh1 Kg7 32.Rh5 b5 33.Bf5 Rd6 34.Bd3 bc4 35.Kc4 Nc8 36.Kc5 Rf6 37.Re5 a5 38.Re8 Nd6 39.Re7 Kf8 40.Rd7 Nf7 41.Ra7 h5 42.Ra5 h4 43.gh4 Rf4 44.h5 Ne5 45.Ra8 Kg7 46.Bg6! Nd7 (46...Ng6 47.hg6 Passed pawn) 47.Kd6 Nf6 48.Ra7 Kh6 49.Ke5 Rf1 50.d6 (50.d6 Ng4 51.Ke6 Re1 52.Kf5 Ne3 53.Kf4 Nd5 54.Kg4 Nf6 55.Kf5 Rf1 56.Ke6 Nh5 57.Bh5 Re1 58.Kf7 Rf1 59.Ke8 Kh5 60.Re7+-) 1–0. Farkas,Gabor (2295) – Jurcik,Martin (2345), SVK–ch U18 Liptovsky Mikulas, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3 8.gf3 e6)

    10.Rg1 Nbd7 11.Na3 Rc8 12.Bd3 Bb4=+ 13.Rg7 Ke7 14.Nc4 a6 15.Ne5 Ne5 16.Be5 Bc5 17.Ra4 Rcg8 18.Bf6 Kf6 19.Rh7 Rg1 20.Ke2 Rh7 21.Bh7 Rg2 22.d4 Bd6?? 23.Be4+/- Rh2 24.Bb7 ½–½. Pomaro,S (1915) – Ambrosi,E (2125), Autumn Open, Venice ITA, 2005.

    10.Rg1 Nbd7 11.Bb5 a6 12.Bd3 Bb4 13.Rg7 Kf8 14.Rg2 Ke7 15.Ra4 Bd6 16.Rd4 Rhg8 17.Rg8 Rg8 (17...Ng8?! 18.Bh7 Ngf6 19.Be4-/+) 18.Na3 Ne5 19.Ke2 Rg2 20.Nc4 Nc4 21.Rc4 Rh2 22.Rc8 (22.Bf6 Kf6 23.Be4 a5-/+) 22...h5 23.Bf6 Kf6 24.Be4 b6 25.d4 Bg3 26.Rc6 Rf2 27.Kd3 Rf1 28.Rb6 h4 29.Ra6 h3 30.d5? (30.f4 h2-+) 30...h2 31.f4 Bf4 32.de6 fe6 1–0. Braeunlin,Klaus (2150) – Krueger,Gerhard (2015), GER–chT Seniors, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.ab4 Bf3 7.Qf3 Qf3)

    6.c4 Bf3

    7.cd5 Bd1 8.Bb5 Nd7 9.Kd1 Ngf6 10.Re1 Nd5 11.ab4 e6 12.Nc3 Nb4 13.f4 Nc6 (13...Kd8 14.Ne4 h6 15.d4-+) 14.f5 e5 15.d4 Bb4 (15...Nd4 16.Re5 Be7 17.Bd7 Kd7 18.Rd5 Kc6 19.Rd4+/-) 16.Bb2 (16.Bd2 f6 (16...Nd4 17.Re5 Kd8 18.Bd7 Kd7 19.Rd5 Kc6 20.Rd4+/-) 17.Ra4 a5-+) 16...f6 (16...0-0-0 17.d5 Nc5 18.Bc6 bc6 19.Kc2-+) 17.Ra4 (17.Re4 Nd4 18.Nd5 Nb5 19.Rb4 Nd6 20.Nc7 Kf7 21.Na8 Ra8-+) 17...a5 18.Nd5 Be1 (18...Nd4?! A) 19.Rb4? A1) 19...Nf5 20.Nb6 ab4 21.Bd7 (worse 21.Na8 Ke7 22.Nc7 Rd8-/+) 21...Ke7 22.Bf5 Rhd8 23.Kc2+/-; A2) 19...ab4 20.Nc7 Kd8 21.Na8 Nb5-+; B) 19.Bd4 Be1 20.Bb6=+) 19.Nc7 Ke7 20.Na8 (20.Ke1 Nb6 (20...ed4 21.Ba3 Kd8 22.Na8+/-) 21.Ba3 Kd7 22.Na8 Ra8 (22...Na8?! 23.de5 fe5 24.Ra5=) 23.de5 Na4 24.e6 Ke8 25.Ba4 Rd8-+) 20...Ra8 (20...ed4?! 21.Bc6 bc6 22.Ke1 Ra8 23.Bd4-+) 21.Ke1 Nd4 (21...Nb6!? 22.de5 Na4 23.ef6 gf6 24.Ba4-+) 22.Bd4 ed4 23.Rd4 Ne5 24.Ke2 Rd8 25.Rh4 h6 26.Rh3 Rd4 (26...Rd5 27.Rb3 Nf7 28.g4-+) 27.Ra3 (27.Rg3 Kf8 28.Ra3 b6-+) 27...b6 28.Rc3 (28.Rb3 Re4 29.Kd1 Kd6-+) 28...Rb4 29.Ba6 (29.Bc6 Rb2 30.Ke3 Nc6 31.Rc6 Kd7-+) 29...a4 (29...Rb2 30.Kf1-+) 30.Rc7 (30.Kd2 Rf4 31.Rg3 Rf5 32.Rg7 Kf8-+) 30...Kd6 31.Rg7 (31.Rc2-+) 31...a3 32.Bc8 Ra4 (better 32...a2 33.Ra7 Rb2 34.Kf1-+) 33.Be6 a2 (33...a2 34.Ba2 Ra2 35.Ke3 b5-+) 0-1. Ljubicic,Mario (2020) - Doric,D (2480), Krk Golden Island Open, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.cd5 Bd1 8.Kd1 e6 9.de6 fe6 10.Bc4 Nc6 11.Be6 Nd4 12.Bc4 ba3 13.Re1 Kd7 14.Na3 Nf6 15.Bb2 Bc5 16.Nb5 Nb5 17.Bb5 Kc7 18.Re6 Rad8 19.Rc1 b6? (19...Rd5 20.d4 b6+-) 20.Be5 (20.Bf6?! gf6 21.Rc6 Kb8 22.Rf6 Rhf8 23.Rf8 Rf8+/-) 20...Kb7 21.Re7!! (21.Bf6?! gf6 22.Rf6 Rdf8 23.Rf8 Rf8+=) 21...Be7 (21...Rd7 22.Rd7 Nd7 23.Bd7 a5+-) 22.Rc7 (22.Rc7 Kb8 23.Re7 Rd6 24.Bd6 Kc8 25.Rc7 Kd8 26.Ra7 Kc8 27.Bc6 Nd7 28.Ra8 Nb8 29.Rb8) 1–0. Herbold,Manfred (2155) – Honsch,Pal (2045), Budapest FS06 FM–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.cd5 Bd1 8.Kd1 Nf6 9.Bc4 Nbd7 10.Bb2 Rc8 11.d3 Nb6 12.ab4 Nc4 13.dc4 Rc4 14.Ra7 Rb4 15.Kc2 Nd5 16.Nc3 Nc7 17.Ba3 Rb6 18.Rb1 Rb1 19.Kb1 Kd7 20.Rb7 Kc8 21.Ra7 Kb8 22.Ra4 e6 23.Bb2 Be7 24.Ne4 f6 25.Kc2 Kb7 26.Bd4 e5 27.Be3 Rc8 28.Kd3 f5 29.Nc3 Bf6 30.Rb4 Kc6 31.Rc4 Kd7 32.f3 Rb8 33.Kc2 g6 34.Ra4 Kd6-/+ 35.Ra7 Rc8 36.Kd2 h5 37.Rb7 h4 38.h3 Ke6 39.Rb6 Kf7 40.Rc6 Rd8 41.Ke2 Ne6 42.Ra6 Be7 43.Ra7 Rd6 44.Nb5 Rc6 45.Kd3 Kf6 46.Ra4 g5 47.Ra7 Bc5 48.Bc5 Rc5 49.Rb7 Nf4 50.Kd2 Rc6 51.Rh7 Kg6 52.Re7 Rc5 53.Rb7 Rd5 54.Kc3 Ng2 55.Rb6 Kg7 56.Nd6 Ne3 57.Rb7 Kg6 58.Rb6-/+ Rc5 59.Kd3?? Nd5-+ 60.Rb3 Nf4 61.Ke3 Rc2 (61...Rc2 62.Rb2 Rb2 63.Nf5 Re2) 0–1. Trembach,Valeriy (2245) – Podolchenko,Evgeniy (2480), Krakow op, 2008.

    7.cd5 Bd1 8.Kd1 Nf6 9.Bc4 Nbd7 10.ab4 Nb6 11.Bb5 Kd8 12.d6 (12.Nc3 Nfd5 13.Nd5 Nd5-/+) 12...e6-+ 13.Nc3 Bd6 14.Be2 (14.Ba3 Nbd5-+) 14...Bb4 15.Bf3 Bc3 (15...Kc8 16.Rb1 a5 17.Na2-+) 16.dc3 Nfd5 17.Bd2 a6 18.Rb1 (18.Re1 Kd7-+) 18...Kc7 19.Re1 (19.Be2 Na4 20.Kc2 b5-+) 19...Rhd8 20.Kc2 Rac8 (20...Nc4 21.Bc1-+) 21.Bg5 (21.Re4 h6-+) 21...Rd7 22.Kb3 Kb8 23.Rbc1 h6 24.Bh4 Ka7 25.Bg3 Rc5 (25...a5 26.Be5 a4 27.Ka3 Nc4 28.Ka4 Ne5 29.Re5 Nc3 30.Kb3-+) 26.Be5 (26.c4 Ne7 27.Be5 g6-+) 26...Rb5 27.Kc2 (27.Ka2 f6 28.Bd4 e5 29.Bd5 Ra5 30.Kb3 Rad5-+) 27...Nc4 28.Bd4 Kb8 (better 28...b6 29.Ra1 e5 30.Be5 Ne5 31.Re5 Nb4 32.cb4 Re5-+) 29.Be2 (29.Rcd1-+) 29...Rb2 30.Kd3 Nf4 31.Kc4 (31.Ke4 Ne2 32.Rcd1-+) 31...Ne2 (31...Rc7 32.Bc5 e5 33.Rcd1 b5) 32.Be5-+ Kc8 33.Rcd1 Rd1 (33...b5!? 34.Kc5 Rd1 35.Rd1-+) 34.Rd1 f6 35.Bd6 Rc2 (better 35...b5 36.Kd3 e5-+) 36.Kd3-/+ Rc3 (better 36...Ra2 37.g3 g5-/+) 37.Ke2= Rc2 38.Ke3 b5 39.Bf8 g6? (39...Rc7!?=) 40.Bh6 (40.Rd6 b4 41.Re6 b3 42.Rf6 Kb7+-) 40...a5 (40...Rc6!?+/-) 41.Bg7 f5 42.Ra1 (42.Rd6!? Rc1 43.Kf3+/-) 42...a4 43.Rb1 Rc5 44.Bf8 (44.f4 Kc7+/-) 44...Rd5 45.Kf4 Kd7 46.Kg5 1-0. Postny,E (2580) - Eden,J (2290), Titled Tuesday, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 Bf3

    7.gf3 Nc6 8.ab4 Nb4 9.Na3 Rc8 10.Rb1= e6 11.c3 Nd3 12.Bd3 Qd3 13.Rb7 Nf6 14.Qa4+= Nd7 15.Rg1 Kd8?? 16.Rg4+- Bc5?? 17.Rd4! (17.Rd4 Qd4 18.cd4+-) 1–0. Chulivska,Vita (2195) – Benmesbah,N (2030), WYg16, Heraklio GRE, 2004.

    7.gf3 Nc6 8.ab4 e6 9.Nc3 Qd8 10.Bb2 (10.b5 Nd4+=) 10...Nf6 (10...Bb4!? 11.Ne4 Bf8-/+) 11.b5+= Nd4 12.Bd3 Be7 13.Ne4 Nh5 14.Ra4 e5 15.c3 (15.Bd4!? ed4 16.Qa1=) 15...Ne6 16.Bb1 Nhf4 17.d4 ed4 18.cd4 Nd5 19.Rg1 g6 20.Nc5 Nc5 (better is 20...Qc7 21.Qb3 Qh2-/+ (21...Nc5?! 22.dc5 Qh2 23.Rf1=)) 21.dc5+= Bf6 22.Re4 Kf8 23.Bf6 Nf6 24.Qd8 Rd8 25.Ra4 (25.Rc4 Ke7=) 25...Kg7 (25...Rd5 26.Ke2 Rc5 27.Bd3-/+) 26.Ra7 (better is 26.Ke2!?=) 26...Rhe8-/+ 27.Kf1 Rd1 (27...Re5 28.Bc2-/+) 28.Kg2+= Rg1 29.Kg1 Re1 30.Kg2 Rb1 31.Rb7 Kf8 32.b6 Nd5 33.Rb8 Ke7 34.b7? Nc7?? 35.c6+/- Na6 36.Ra8+- Nc7 37.b8Q Rb8 38.Rb8 h5 39.Kg3 Kd6 40.Rf8 Ke7 41.Rc8 Kd6 42.Rc7 Kc7 43.Kf4?? f6-/+ 44.Ke4 Kc6 45.h4 Kd6 46.f4 f5 47.Kd4= ½–½. Hecht,T – Wood,W, Sunnyvale, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.Be2 Bf3)

    7.gf3 e5 8.ab4 Bb4 9.c3 Bc5 10.Qa4 Nc6 11.Qg4 g6 12.Na3 f5 13.Qh3 Nf6 14.0-0 Nh5 15.d4 ed4 16.Nb5 (16.Re1 Qe5 17.Nc2 0-0-0-+ (17...dc3? 18.Bb5 Qe1 19.Ne1+-)) 16...0-0-0 17.cd4 Nd4 18.Nd4 Bd4 19.Rb1 Qe5 20.Bd1 Rd6 21.f4 Qe4 22.Rb7?? (22.Be3 Be3 23.Qe3 Qe3 24.fe3-+) 22...Qb7 (22...Kb7?! 23.Bf3 Nf6 24.Be4 Ne4 25.Qb3 Ka8 26.Be3-/+) 23.Bf3 Qb6 24.Ba3 Rd7 25.Bh5 gh5 26.Qf3 Rg8 27.Kh1 0–1. Mablouke,Ulrich (1950) – Rodier,David (2145), Etang Sale op 8th, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.gf3 e6 8.ab4 Bb4 9.Na3 Nc6 10.c3 Be7 11.Nb5 Qd7 12.d4 Nf6 13.Rg1 g6 14.Bh6 a6 15.Qc1 Rc8 16.Na3? (better is 16.Bg7 Rg8 17.Bf6 Bf6 18.Qf4 ab5 19.Qf6-+) 16...Nd4! 17.Qb2 (17.cd4 Rc1 Double attack) 17...Nf5 18.Bf4 Nd5 19.c4 Bb4 (19...Nf4?! 20.Qh8 Bf8 21.Rg4-+) 20.Kf1 (20.Bd2 Bd2 21.Qd2 Nde7-+) 20...Bc3 (20...Nf4?! 21.Qh8 Bf8 22.Rd1-+) 21.Qc1 Nf4 22.Qc3 Qd4 23.Qc1 Nh3 24.Rg2 Nh4 25.Nc2 Qc5 26.Qe3 Ng2 27.Kg2 Qe3 (better is 27...Qf5 28.Nd4 Nf4 29.Kh1 Qf6-+) 28.fe3 Ng5 29.f4? (better is 29.h4 Nf3! 30.Kf3-+) 29...Nf3 (better is 29...Ne4-+) 30.Kf3+= Ke7 31.Nd4 h6 32.Rb1 Rc7 33.Nb3 g5 34.c5 Rb8 35.Nd4 Rc5 36.Ba6 b7 b5 37.Bb5 e5? 38.Nf5 Kf6+= 39.Bd3 Rb1 40.Bb1 e4 41.Be4 Rf5 42.Bf5 Kf5 43.fg5 Kg5 44.Kg3 h5 45.Kf3 h4 46.e4 f6 47.Kg2?? Kf4?? 48.Kh3+= Ke4 49.Kh4 f5 50.Kg3 Ke3 51.Kg2 f4 52.Kf1 Kf3 53.Ke1?? Kg2-+ 54.Ke2 f3 55.Ke3 f2 56.Ke4 f1R 57.Ke3 Rf3 58.Ke2 Ra3 59.Ke1 Kf3 60.Kd1 Ra2 61.Kc1 Ke3 62.Kb1 Rh2 63.Ka1 Kd3 64.Kb1 Kc3 65.Ka1 Kb3 66.Kb1 Rh1 0–1. Osipenko,Pavel – Martemianov,Iaroslav (1955), Dnipropetrovsk Sinitsina Memorial 3rd, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.Be2 Bf3)

    7.gf3 e6 8.ab4 Bb4 9.c3 Bd6 10.Na3 Ba3 11.Ba3 Nc6 12.Rg1 g6 13.Rb1 0-0-0 14.Rb5 Qa2 15.Bb2 Nf6 16.c4 Nd4 17.Bd4 (17.Rb4 Qa5 (17...Ne2?! 18.Ke2 e5 19.Qa1 Qa1 20.Ra1=) 18.Ra4 Qc5-/+) 17...Rd4-+ 18.d3 Nh5 19.Rg4 (19.Rgg5 a6 20.Rgc5 Kb8 21.Qb1 Qb1 22.Rb1-+) 19...Nf4 20.Re5 (20.Rgg5 Rhd8 (20...Ne2?! 21.Ra5 Qb2 22.Qe2 Qc1 23.Qd1 Qd1 24.Kd1-+; 20...Qe2?! 21.Qe2 Ne2 22.Ke2-+) 21.Ra5 Qb2 (worse is 21...Qe2 22.Qe2 Ne2 23.Ke2-+) 22.Ra7 Rd3 (22...Ne2?! 23.Rb5 Rd3 24.Qd3 Qc1 25.Ke2 Rd3 26.Kd3-/+) 23.Ra8 Kc7 24.Rc5 Kb6 25.Bd3 Nd3 26.Qd3 Rd3 27.Rb5 Qb5 28.cb5 Rf3-+) 20...Rhd8 (20...Ne2?! 21.Re2 Qa5 22.Kf1-+) 21.Re3 h5 22.Rg3 R8d6 (22...Qb2 23.Qd2 Qb1 24.Qd1 Qd1 25.Kd1 Rc4 26.Rg5-+) 23.Qd2 (23.Rg5 Rc4!! 24.Kf1 Rc7-+) 23...Qc4!! 24.Re4 Nd3 25.Bd3 Qd3 26.Rd4 Rd4 (26...Rd4 27.Qd3 Rd3-+) 0–1. Thayer – Schutz, 5, Gem City Open OH, 1980. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.Be2 Bf3)

    7.Bf3? Qe5-+ 8.Qe2 Qa1 9.Qb5 Nd7 10.Qb4 Qe5 11.Be2 e6 12.Qc3 Qc3 13.Nc3 Ngf6 14.0-0 Rc8 15.Bd3 Bd6 16.h3 Ke7 17.Re1 Ne5 18.Bb5 a6 19.Ba4 Nc4 20.Nb1 b5 21.Bb3 Na5 22.Bb2 Nb3 23.cb3 Rc2 24.Bc1 Rhc8 25.Nc3 Bf4 26.Rd1 R8c3 27.dc3 Bc1 28.Rc1 Rc1 (28...Rc1 29.Kh2 Rc3-+) 0–1. Richard,Andy – Hildenbrandt,Phil, IECC, 1997.

    7.Bf3? Qe5 8.Qe2 Qa1 9.Bb7 Qb1 10.0-0?! (10.Qc4 A) 10...Qc1? 11.Ke2 Nd7 12.Ba8+- (12.Rc1?! Rd8 13.ab4 e6=); B) 10...e6 11.Qc8 Ke7-+) 10...ba3 (10...Qc2?! 11.ab4 e6 12.Qb5 Nd7 13.Ba8-+) 11.Qg4 (11.Ba8 a2 12.Qc4-+) 11…Qb7 0–1. Dupree,Charles (1720) – Regan,Neil (1900), San Francisco TNM Spring op, 2006. (=1.e4 c5 2.b4 d5 3.ed5 Qd5 4.Nf3 cb4 5.a3 Bg4 6.Be2 Bf3)

    7.Bf3? Qe5 8.Qe2 Qa1 9.Bb7 Qb1 10.Qc4 Nd7 (10...Qc1 11.Ke2 e6 12.Qc8 (worse is 12.Rc1 ba3 13.Qc8 Ke7+-) 12...Ke7 13.Rc1 ba3 14.Ba8+-) 11.Ba8 e6 (11...Qc1 12.Ke2 e5 13.Rc1 ba3 14.Qc8 Ke7 15.Ra1+-) 12.Qc8 Ke7 13.0-0 Qa1 (better is 13...b3 14.d4 Qc2-+) 14.ab4-/+ Qd4 15.Ba3 f5 16.c4 Kf7 17.c5 Ngf6 18.c6 Nb6 19.Qb8 Rg8 20.Qa7 Kg6 21.Bb7 Bd6 22.g3 Bb8 23.Qa6 Ne4 24.Qe2 Rd8 25.Rc1 Bc7 (worse is 25...Qd2 26.Qd2 Rd2 27.c7+=) 26.b5? (26.Rc2 Qd5 27.h3 Qb3-+ (27...Nd2?! 28.Rd2 Qd2 29.Qe6 Kh5 30.Ba6=)) 26...h5 (better is 26...Qa4!? 27.Bc5 Rd2-+) 27.Be7 Re8 28.Ba3 Qd5 29.Bb2? (better is 29.h3!?-/+) 29...Ng5-+ (29...Qd2?! 30.Qd2 Nd2 31.f4-/+) 30.h4?? (30.Qf1-+) 30...Nf3 31.Kf1 Nd4 (31...Nd4 32.Qh5 Kh5 33.Bd4 Qh1 34.Ke2 Qc1-+) 0–1. Fecke,Andreas (2180) – Roitburd,Talic (2160), NRW Class1, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.Be2 Bf3)

    7.Bf3? Qe5 8.Qe2 Qa1 9.Bb7 e6 10.0-0 Qb1 11.ab4 (11.Qc4 Bd6-+) 11...Qb4 (11...Bb4?! 12.Qb5 Nd7 13.Ba8-/+) 12.Ba8 Nf6 13.d3 Bc5 14.Bd2 Qb2 15.Bc1 Qb6 0–1. bobby fissure (2165) – juliangon (2620), ChessWorld.net, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Bg4 6.Be2 Bf3)

    4.ed5 Nf6

    5.Bb2 Nd5 6.ab4 Bf5 7.Na3 e6 8.b5 Nd7 (8...Bb4 9.c4 Nf4 10.Nc2=) 9.Be2 (9.Nf3 N7f6=+) 9...Qc7 10.c3? (better 10.Nf3=+) 10...Nf4-+ 11.d4 Ng2 12.Kf1 Be4 (better 12...Nf4-+) 13.h4? (better 13.Bf3 Bf3 14.Nf3-+) 13...Ne3!! 14.fe3 Bh1 15.Ke1 (15.Bf3 Bf3 16.Nf3 Be7-+) 15...Qg3 (15...Be4 16.Nf3-+) 16.Kd2 Nf6 (16...Nc5 17.Nc4 Ne4 18.Kc2-+) 17.Bd3 (17.Nf3 Bg2-+) 17...Be4 (17...Qh4 18.Qe1 Ne4 19.Kc2 Qe1 20.Re1-+) 18.Ne2 Qh4 19.Nc2 (19.Nc4 Bd3 20.Kd3 Ne4-+) 19...Bd3 20.Kd3 Ne4 (20...Qe4 21.Kd2 Qd5 22.b6-+) 21.Qg1 (21.Qf1 f5-+) 21...g6 (21...Qh5!? 22.Nf4 Qf5 23.Qg2 Nc5 24.Kc4-+) 22.Rf1 (22.c4 Nf2 23.Kc3 Be7-+) 22...Bd6 (22...f5 23.c4 0-0-0 24.Ra1-+) 23.Nf4 (23.c4 f5 24.Nc3 0-0-+) 23...Ng3 24.Rf2 (24.Rf3 Qg5 25.c4 Qf5 26.Kd2 Ne4 27.Kc1 g5-+) 24...e5 (24...Qg5!? 25.c4 Qf5 26.Kd2 Ne4 27.Ke1 Nf2 28.Qf2-+) 25.Rh2 (25.de5 Be5 26.Nd4 0-0-0-+) 25...e4 (25...Qg5!? 26.de5 Be5 27.Kc4-+) 26.Kc4 Rc8 (better 26...Qg5!? 27.Nb4 Rc8 28.Kb3 Qb5 29.Qg3-+) 27.Kb3 Qg5 28.Bc1 (28.c4 Bf4 29.ef4 Qf4 30.d5-+) 28...Qb5 29.Nb4 (29.Ka2 Bf4 30.Na3 Qd5 31.c4 Rc4 32.Nc4 Qc4 33.Kb1 Qd3 34.Ka1 Bd6-+) 29...Qc4 30.Ka4 Rc6 (30...Bb4 31.cb4 Rc6 32.Ka3 Qc3 33.Ka4 Ra6 34.Kb5 Qc6) 31.Ka3 Bb4 32.cb4 (32.Kb2 Bc3 33.Kb1 Ra6 34.Rb2 Bb2 35.Bb2 Qa2 36.Kc1 Rc6 37.Bc3 Rc3 38.Kd1 Qb2 39.Qg3 Rc1) 32...Qc3 33.Ka4 (33.Ka2 Ra6 34.Ba3 Ra3 35.Kb1 Ra1) 33...Ra6 34.Kb5 Qc6 0–1. Bernat Mor,Juli – Roche Peris,Eduard (1795), 18th Obert Internacional Sant Marti Gro, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Bb2 Nd5 6.Bc4 Nc6 7.Qf3 Nf6 8.Ne2 Bg4 9.Qb3 e6 10.ab4 Bd6 11.b5 Ne5 12.d4 (better is 12.f3 Bf5 13.Nd4 Nc4 14.Nf5 Nb2 15.Nd6 Qd6 16.Qb2+=) 12...Ng6?? (better is 12...Nc4 13.Qc4 0-0-/+) 13.f3+/- Bf5 14.b6 ½–½. Pram,Imre (2090) – Gadacsi,Miklos Jr (2105), HUN–chT2 Szechenyi, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Bb2 Nd5 6.Bc4 e6 7.Nf3 Be7 8.Bg7 Rg8 9.Be5 Nc6 10.0-0? (10.g3 ba3 (10...Rg4 11.Qe2 f6 12.Bb2) 11.Na3 f6= (11...Rg4 12.Qe2) 12.Bb2) 10...Nb6 (better is 10...Ne5!? 11.Ne5 Nf4-+) 11.Bb3 (11.Bb5!?=) 11...Ne5+= 12.Ne5 Qd4 13.Qh5 Rg7 14.c3 Qf4 15.Nd3 Qe4 16.Ne1 Bd7 (16...bc3!? 17.Nc3 Qf4+=) 17.ab4 Bc6 18.f3 Qf4 19.Nd3 Qf6 20.Qe5 Qh6 21.b5 (better is 21.Nc5!?+=) 21...Nd7+= 22.Qc7 Qg5 23.Ne1 Bb5 24.c4 (24.Qb7?? Rb8 25.Qc7 Bf1 26.Kf1 Rb3 27.Ra7 Nb6 (27...Rb1?? 28.Qd7 Kf8 29.Ra8 Rb8 30.Rb8 Bd8 31.Rd8 Qd8 32.Qd8) 28.Qc6 Kf8-+) 24...Bc6 25.Ra5? (better is 25.Qa5-+) 25...Qf6 26.Ra2 (26.Kh1 Bd8 27.Ra7 Ra7-+) 26...Qd4 27.Kh1 Bd8 (27...Bd8 28.Qd7 Qd7-+) 0–1. Engelaer,M (1995) – De Vos,N (2205), 9th Open, Brasschaat BEL, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Bb5 Nbd7 6.ab4 Nd5 7.Nf3 e6 8.c3 Be7 9.0-0 0-0 10.d4 Qc7 11.Bd2 b6 12.Qe1 Bb7 13.Ne5 Ne5=+ 14.de5 a6 15.Bd3= b5 16.Na3 Rad8 17.Be4 Nb4 18.Bb7 Nd3-+ 19.Qb1 Qb7 20.c4 Ne5 21.Ba5 Rb8 22.cb5 ab5 23.Rd1 b4 24.Nc2 Nc6 25.Ne3 Ra8 26.Nc4 Qb5 27.Qa2 Na5 28.Na5 Bf6 29.Qa4 Qa4 30.Ra4 h6 0–1. Biro,Sandor (2435) – Busch,Klaus (2305), Budapest IM–A (12), 1990.

    5.Bc4 Nd5 6.ab4 e6 7.b5 Bd6 8.Bb2 0-0 9.Nf3 Nf4 10.0-0 b6 11.d3 Bb7 12.Nbd2 Nd7 13.Ne4 Be4 14.de4 Qc7 15.Bd3 Rfd8 16.g3 Ng6 17.Qe2 Nge5 18.Rfc1 Nf3 19.Qf3 Be5 20.Be5 Qe5 21.Qf4 Qc5 22.Ra4 Ne5 23.Bf1 Rd4 24.Ra2 f5 25.Re1 Rf8 26.c3 (26.Ra7? fe4 27.Qe3 Nf3 28.Kh1 Ne1 29.Qe1 Qc2-+) 26...Rd7 27.Qe3 Qe3 28.Re3 f4 29.gf4 Rf4 30.Bh3 Kf7 31.Kg2 g5 32.f3 Kf6 33.Kg3 h5 34.Bf1 Rg7 35.h3+= Kg6 36.c4 h4 37.Kg2 Rc7 38.Rea3 Rff7 39.Ra4 Rfd7 40.Kf2+= Kf6 41.Be2 Ng6 42.Bf1 Nf4 43.c5 bc5-/+ 44.Rc2 Nd3 45.Bd3 Rd3 46.Rac4 Ke5 47.Rc5 Rc5 48.Rc5 Kf4 49.Rc7 Rf3 50.Kg2 Rg3 51.Kh2 Rb3 52.Ra7 Rb2 (52...Rb2 53.Kg1 Rb5-+) 0–1. Stergiou,E – Halkias,Stelios (2330), GRE–ch U16, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Bc4 Nd5+= 6.Qf3 e6-/+ 7.Bb2 Nc6 8.Ne2 Qg5 (8...a6 9.0-0 ba3 10.Na3 Nb6 11.d3 Ba3 12.Ra3-/+) 9.h4 Qf5?? (better is 9...Qd8+= 10.h5 h6 11.ab4 Ndb4 12.Bb3-/+) 10.Qf5+- ef5 11.Bd5 Be6 12.Bc6 bc6 13.ab4 Bb4 14.Bg7 Rg8 15.Be5 Rg2 (15...a5 16.c3 Be7 17.Nf4+-) 16.Bg3 Bd5 17.Nf4 Rg3 18.Nd5 (18.Nd5 cd5 19.fg3+-) 1–0. Carrasco Sagredo,M (2085) – Coves Sepulcre,L (1955), Open Bali A, Benidorm ESP, 2003, (=1.e4 c5 2.b4 d5 3.ed5 cb4 4.a3 Nf6)

    5.Bc4 Nd5+= 6.Nf3 ba3 7.Ba3 Nc6+= 8.0-0 Bg4 9.h3 Bh5 10.Re1 e6 11.Bf8 Kf8 12.Ra3 -/+.

    5.Bc4 Nd5 6.Qh5 e6 7.Nf3 Nc6 8.0-0 g6 9.Qh3 Bg7 10.c3 bc3 11.Bd5?? (better is 11.dc3 Nc3 12.Nc3 Bc3 13.Rb1-/+) 11...ed5-+ (11...Qd5?! 12.Nc3 Qd3 13.Qh4-+) 12.Re1 (12.Qg3 cd2 13.Bb2 Bb2-+) 12...Ne7 (better is 12...Kf8!? 13.Qg3 cd2 14.Bd2 Ba1 15.Nc3 Bc3 16.Bc3-+) 13.Qh4 cd2 14.Bd2 Ba1 15.Nc3 0-0 (better is 15...Bc3!? 16.Bc3 Rg8 17.Ng5-+) 16.Qe7 (16.Ng5 h5 17.Ra1 f6-+) 16...Bb2 (better is 16...Qe7 17.Re7 Bb2-+) 17.Bg5?? (17.Qb4 Bc3 18.Qc3-+) 17...Qa5 (better is 17...Qe7 18.Re7 Bc3-+) 18.Nd1 Bg7 0–1. Beliaev,Vitaly (2035) – Murzin,Lenar (2205), Privolzhskogo FO–ch, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Nf3 Bg4 6.Bb5 Nbd7 7.h3 (7.ab4 a6 8.Be2 Nd5=) 7...Bh5 (7...a6 8.Bf1 Bh5 9.Bb2=) 8.c4 bc3 9.Nc3 a6 10.Ba4 (10.Be2!?=) 10...b5 11.Bb3 (11.Bc2 Nb6 12.0-0 Nbd5+=) 11...Ne5 12.g4 (12.Qe2!? Nf3 13.gf3+=) 12...Nd3-/+ 13.Kf1 Bg6 14.Nh4 (14.Ne1 Nc5-/+ (14...Nc1?! 15.Rc1 Ra7 16.Rg1=)) 14...Be4 (14...Nc1?! 15.Rc1 Qd6 16.Kg1=) 15.Ne4 (15.Nf3 Qb6 16.Rh2 Bg6-/+) 15...Ne4 16.Qf3?? (better is 16.Qc2 Nec5 17.Bb2-/+) 16...Nc1-+ 17.Qe4 Nb3 18.Rd1 (18.Ra2 Rc8 19.Nf3 Nc5-+) 18...Nc5 19.Qf3 e5 (19...Rc8 20.Nf5-+) 20.de6 (20.d4 Qh4 21.d6 e4-+) 20...Qd3 (20...Qh4 21.Qa8 (21.ef7?! Kd7 22.Qa8 Qd8=) 21...Ke7 22.ef7+/-) 21.Qd3 Nd3 22.ef7 Kf7 23.Ke2 (23.Rb1 Be7 24.Nf5 Bc5-+ (24...Ba3?! 25.Rb3-/+)) 23...Rd8 24.Rb1 Ba3 0–1. Estrada Velarde,S – Contreras,TJ (2220), Olympiad U18, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Nf3 Bg4 6.Bc4 g6 7.Bb2+= Bg7 (7...ba3 8.Na3 Bg7 9.h3=) 8.h3 Bf5 9.d3 (9.ab4 Qb6 10.Bf6 Qf6+/-) 9...0-0 10.0-0 (10.ab4 Nd5 11.Bg7 Kg7+=) 10...Nd5 11.Bg7 Kg7 12.ab4 (12.Bd5!? Qd5 13.ab4=) 12...Nb4+= 13.Nc3 N8c6 14.Qb1 Qd7 15.Re1 a6 16.Qb2 f6 17.Ra4 b5 18.Rb4 Qd6 19.Nb5 ab5? (better is 19...Qb4!? 20.Qb4 Nb4 21.Re7 Kh6+=) 20.Rb5+/- e5 21.Rb7 Bd7 22.Bb5 Rf7 23.Ra1 Ra1 24.Qa1 Nd4? (better is 24...Bf5 25.Rf7 Kf7+/-) 25.Nd4+- ed4 26.Qa7 Bb5?? (26...Be6 27.Rf7 Bf7+-) 27.Rf7 Kh6 28.Rh7 Kg5 29.Qg7 Qb4 30.h4 Kf5 31.Qe7 Qb1 32.Kh2 Bc6 33.Qc5 Kg4 34.Qc6 (34.Qc6 Qb8 35.g3 Qe5 36.Kg2 Qe2 37.Qd7 Qe6 38.Qe6 f5 39.Qg6) 1–0. Dunne,Paul (1850) – Bannon,Senan, Leipzig VfB op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.ab4 Nd5

    6.Ba3 e5 7.b5 Ba3 8.Ra3 Be6 9.Nf3 Nd7 10.d4 Qe7 11.Bd3? (better is 11.Be2=) 11...e4!-+ 12.Be4 Bf5 13.0-0 Be4 (13...Qe4? 14.Re1 0-0 15.Re4 Be4 16.Nbd2+-) 14.Re1 0-0 (better is 14...f5-/+) 15.Nfd2= f5 16.f3 Qb4 17.fe4 Qd4 18.Kh1 fe4 19.Re4 Qb6 20.c4 N5f6 21.Rh4 Ne5 22.Qg1 Qg1 23.Kg1 Rfd8 24.c5 Neg4 25.Rhh3 Ne4 26.Ra4 Nd2 27.Nd2 Rd2 28.Rg4 Rc2 29.Rh5 Rc8 30.c6? bc6-/+ 31.bc6 R8c6 32.Ra5 a6 33.h4 R2c4 34.Rc4 Rc4 35.Ra6 Rh4 36.Ra7 h6 37.Kf2 Rb4 38.Kf3 Kh7 39.g4 h5 40.gh5 Rh4 41.Kg3 Rh5 42.Kg4 Rb5 ½–½. Herbold,M (2170) – Van Gool,H (2160), Sparkassen Open, Nettetal GER, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5)

    6.Ba3 e5 7.b5 Be7 8.c4 Nf6 9.Nc3 0-0 10.Be2 Re8 11.d3 Bf5 12.Be7 Qe7 13.Nf3 Nbd7 14.0-0 Nf8 15.Re1 Ng6 16.Bf1 Rad8 17.Ra2 e4 18.Rd2 ef3? 19.Re7+- Re7 20.g3 Rde8+/- 21.Qf3 Bg4= 22.Qg2 Ne5 23.Rb2?? Nf3-+ (23...Nf3 24.Kh1 Ne1-+) 0–1. Murphy,A – Witte,Volker, USA–ch op, 1957.

    6.Ba3 e6 7.b5 Ba3 8.Ra3 0-0 9.c4 Nf6 10.Nf3 b6 11.d4 Bb7 12.Nbd2 Qd6 13.Qb3 Nbd7 14.Qb2 Rfd8 15.Be2 Ne4 16.Ne4 Be4 17.0-0 Nf6 18.Rc1 Rd7 19.c5 bc5 20.dc5 Qb8 21.c6 Rc7 22.Ne5 Bd5 23.Qd4 Qf8 24.Rca1 Rac8 (24...Rd8 25.Qe3+- (25.Ra7?! Bc6 26.Qh4 Bb7+/-)) 25.Ra7 1–0. Brachtel,Ralph – Schumann,Thorsten, GER theme, 1994. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Nf6 5.ab4= Nd5)

    6.Ba3 e6 7.b5 Qa5 8.c4 Nf6 9.Bb2 Qc7 10.Bf6 gf6 11.Nf3 b6 12.d4 Bb4 13.Nbd2 Bb7 14.Qb3 Ba5 15.Ra2 1–0. Brachtel,Ralph – Rolle,Hannes, GER theme, 1994. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Nf6 5.ab4= Nd5)

    6.Ba3 e6 7.b5 Qf6 8.d4 Nd7 9.Nf3 b6 (9...Ba3 10.Ra3 0-0 11.Bd3=) 10.c4 Nf4 11.g3 Ng6 12.Bg2 Bb7 13.0-0 h5 (13...a5 14.Bf8 Ndf8 15.Re1+=) 14.h4 (14.Bc1 a5+/-) 14...Ne7 (14...a5 15.Bf8 Ndf8 16.Ra4+=) 15.Bc1+/- g6 16.Nc3 Nf5 17.Bg5 Qg7 18.Ne5 Bg2 19.Nd7 Bf1?? (19...Kd7 20.Kg2 Nd4+= (20...Qd4?? 21.Qf3 f6 22.Qb7 Ke8 23.Rfd1+-)) 20.Nf6+- Kd8 21.Nh5 (21.Nh5 f6 22.Ng7 Bg7 23.Qf3+-) 1–0. Schumann,Thorsten – Rolle,Hannes, GER theme, 1994. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Nf6 5.ab4= Nd5)

    6.Ba3 e6 7.c3 Be7 8.d4 0-0 9.Nf3 Nd7 10.Qb3 b6 11.g3 Bb7=+ 12.Bg2 b5 13.Nbd2 N5b6 14.Rc1 Bd5 15.Qd1 Rc8 16.Bb2 Qc7 17.0-0 Qb7 18.Nb3 Nc4 19.Ba1 Rfd8 20.Nc5 Nc5 21.bc5 a5 22.Qe2 Bf6 23.Ne1 Bg2 24.Ng2 e5 25.Rcd1 ed4 26.cd4=+ a4 27.Rfe1 Na5 28.d5 Ba1-/+ 29.c6 Qa8-+ 30.Qb5 Bf6 31.Qa4-/+ h6 32.Ne3=+ Be5 33.Nf5= Bd6?? 34.Ra1+- g6? 35.Nd6 (35.Nd6 Rd6 36.Qa5 Qa5 37.Ra5+-; 35.Qa5?! Qa5 36.Ra5 gf5+=) 1–0. Ellinger,Michael – Wakefield,W, Nottingham–B3, 1946.

    6.b5 e5 7.Ba3 Ba3=+ 8.Ra3 Qe7 9.c4 Nf6 10.Be2 0-0=+ 11.Nf3 Bf5 12.Re3 Ng4 13.Rb3 Nd7 14.h3 Ngf6 15.0-0 e4 16.Nd4 Bg6 17.Re3 Nc5 18.Nb3 Rfd8 19.d4 Nb3 20.Rb3 a6 21.Na3 Qd6 22.ba6 ba6 23.Nc2 a5 24.Qc1 a4 25.c5 Qe7 26.Ra3+= Nd5 27.Bc4 e3 28.Ne3+/- Nf4 29.Rd1 Qg5 30.Kh2 Be4 31.Bf1 Ne6= 32.Qc3 Qh4 33.g3 Qf6 34.Ng4 Qf5 35.Bg2 Bg2+= 36.Kg2 Nc5? 37.Ne3+- Qe4 38.f3 Qe7 39.Qc5 Qb7 40.Qc2 Qb4 41.Qc3 Qb7 42.d5 Rac8 43.Qd4 Qa6 44.Rd2 Rc1 45.Ra4 Qg6 46.Ra1 Ra1 47.Qa1 h5 48.Qd4 Qb1 49.d6 Qe1 50.d7 h4 51.Nf5 (51.Nf5 f6 52.Qc4 Kf8 53.Re2 Qe2 54.Qe2 Rd7 55.Qc2+-) 1–0. Rewitz,Poul (2245) – Bennett,A (2245), 22nd ECU Club Cup, 2006.

    6.b5 e5 7.Bb2 Bd6 8.Na3 0-0=+ 9.Nc4 Bc7 10.Ne3 e4 11.Nd5 Qd5=+ 12.Ra4 Nd7 13.Ne2 Nc5 14.Nc3 Qe5 15.Rc4= b6 16.Na4 Qf5 17.Qa1 Rd8 18.Nc5+= bc5 19.Bg7 Qg5 20.Bc3 Bf4 21.d3 Bb7? 22.h4 Qh6 23.Rh3 Re8 24.Kd1 Rad8 25.g4?? Qe6=+ 26.Bh8 Qg4 27.f3 Qg1 28.Rh1 Qg6 29.h5?? Qg5 30.Rc5= Qh6?? 31.Rg1+- Kf8 32.Bg7 Ke7 33.Bh6 ed3 34.cd3 Bf3 35.Kc2 Bh6 36.Qe5 Kd7 37.Rc7# 1–0. Rewitz,Poul (2250) – Kaspersen,Morten, Copenhagen op (9), 1987.

    6.b5 e6 7.Bb2 Nd7 8.Nf3 N7f6 9.c4 Nf4 10.Qb3 b6 (10...Bc5 11.d4 Bd6 12.g3+=) 11.g3+= Ng6 12.Bg2 Bb7 13.d4 a5? (better is 13...Bd6+=) 14.ba6+- Bc6 15.0-0 Be7 16.Nc3 (16.d5 ed5 17.Nd4 Bd7 18.cd5 0-0+-) 16...0-0 17.Nb5 Qc8 18.Qa2 (18.Ra2 Rd8+-) 18...Ne8 (18...Nd5 19.a7 Bb5 20.cb5+=) 19.Ne5 (19.d5!? ed5 20.Nfd4 Bb5 21.cb5+-) 19...Ne5+/- 20.de5 Bg2 21.Kg2 Nc7 22.Nc7 Qc7 23.Kg1 (23.Bd4 Rfd8 24.Rfd1 Ra7+/-) 23...Bc5 (23...Ra7 24.Bd4+/-) 24.Rfd1 Rfd8 25.Qb3 Qc6 26.Rd8 Rd8 27.a7 h6 (better is 27...Qb7!?+=) 28.Ba3+- Qa8 (better is 28...Ba3!? 29.Ra3 Ra8+-) 29.Bc5 bc5 30.Qb6 Rc8 (30...Re8 31.Qc7 Rf8 32.h3+- (worse is 32.Qc5 Re8+-)) 31.Rb1 Kh7 32.Qb8 Rd8 33.Rb7 Kg6 (33...Rc8+-) 34.Qd8!! (34.Qd8 Qd8 35.Rb8+-) 1–0. Boettcher,Ulrich (1925) – Schmidt,Niels Peter (1870), Schleswig Holstein–ch Seniors, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Nf6 5.ab4= Nd5)

    6.b5 e6 7.Nf3+= Be7 (7...Bb4 8.c4 Nf6 9.Nc3+=) 8.c4+/- Bf6 (8...Nb4 9.d4+=) 9.d4 Ne7 10.Be2 b6 11.0-0 Bb7 12.Bb2 0-0 13.Qc2 (13.Qd3 Nf5+/-) 13...Nd7 (13...Nf5 14.Rd1 a6 15.d5 Bb2 16.Qb2 ed5 17.cd5+=) 14.Rd1 Qc7 15.Nbd2 g6 16.Ne4 Bg7 17.Ba3 Be4 18.Qe4 Rfe8?? (better is 18...Nf6 19.Qe5 Rfc8+/-) 19.Be7+- 1–0. Rewitz,Poul (2215) – Collareta,Giovanni (2095), Helsingor DEN, Politiken Cup, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 d5 4.ed5+= Nf6 5.ab4= Nd5)

    6.c3 e5 7.Bc4 Be7 8.Ne2 0-0 9.0-0 Be6 10.Bb3 (10.d3 Nc6=) 10...Nc6=+ 11.Re1 b5 (11...Re8 12.d4 ed4 13.b5=+) 12.Ng3 (12.d4 ed4 13.Nd4 Nd4 14.Qd4 Bf6-/+) 12...a5=+ 13.ba5 Na5 14.Bc2 (14.Re5? Nb3 15.Ra8 Qa8 16.Re6 fe6 17.Qb3 Nf4-+) 14...Nc6 15.Ra8 Qa8 16.Nf5 Bf6 17.Be4 Rd8 18.d3 Qc8 19.Ng3 Be7 20.Qe2 b4 21.c4 Nd4 22.Qh5 g6 23.Qh6 (23.Qe5? Bf6 24.Qd5 Bd5 (24...Rd5?! 25.cd5 Bd7 26.Bf4-/+) 25.Bd5 Nc2-+) 23...Nf6 24.Qh4 Qc5 25.Bg5 Ng4 (25...Ne4 26.Ne4 Bg5 27.Ng5+- (27.Nc5?? Bh4 28.Re5 Be7-+)) 26.Rf1 f6 27.Bc1 Nb3 28.Bd5 Bd5 29.Qg4 Nc1 30.Rc1 Bb7 31.Qe2 Qd4 32.Rd1 Bc5 33.Rd2 f5 34.Kf1 (34.Ne4 Be7 (34...Be4? 35.de4 Qf2 36.Qf2 Bf2 37.Kf2+-; 34...fe4?! 35.de4 Qf2 36.Qf2 Bf2 37.Kf2=) 35.Ng3 b3-+) 34...h5 35.Nf5? (better 35.Kg1!?-+) 35...gf5 36.Qh5 (36.h3 h4 37.Qh5 Rd7-+) 36…Qg4 (36...Qg4 37.Qg4 fg4-+) 0–1. Williams,Barry – De Smet,Karl, corr ICCF TT/15/01/1, 2001.

    6.c3 e5 7.Nf3 Bd6 8.Bc4 Nb6 9.Bb3 (9.Bb5 N8d7=) 9...e4+= 10.Nd4 0-0 (10...Qg5 11.Kf1 Qg6 12.Qe2+=) 11.d3= ed3 12.Qd3 Nc6 13.Nc6 bc6 14.Be3 Nd5 (14...Re8!?=) 15.Bd5+= (worse is 15.Ra7 Ra7 16.Ba7 Re8 17.Kd1 Nf4-/+) 15...cd5 16.Ra5 (16.Qd5!? Be6 17.Qd4+=) 16...Be6= 17.0-0 Qb8 18.h3 Bc7 19.Ra3 a5 20.Nd2 ab4 21.Ra8 Qa8 22.cb4 Rb8 23.Bc5 Bd7 24.Qc3 Bb5 25.Re1 Qc6 26.Nf3 Bc4 27.Bd4 f6 28.Bc5 Re8 29.Nd4 Qd7 30.Re8 Qe8 31.Nf5 Qe4 32.Bd6 (32.Nd6 Bd6 33.Bd6 Kf7=) 32...Bb6 (32...Qb1!? 33.Kh2 Qf5 34.Bc7 Qf2-/+) 33.Ne3+= Qb1 34.Kh2 Qe4 35.Qa3 h6 36.Qa8 Kh7 37.Nc4 Qc4 38.f3 Bf2 39.Qa1 Qb3 (39...d4 40.Bc5+=) 40.Qf1 Bb6 41.Bc5 Bc7 42.Kh1 Bf4 43.b5 Qc2 44.Bg1 h5 45.b6 Qb3 46.Qa1 Be5 47.Qe1 Qb2 (47...Kg6 48.Qd2=) 48.Qd1 d4? (48...Qb5 49.Bd4 g6 50.Kg1=) 49.Qd3?? (better is 49.f4 g6 50.fe5 fe5 51.Qe1+-) 49...g6= 50.Qa6 Qb1 51.b7 d3 52.Qc6 Kh6 53.Qe4 g5 54.h4 Qb2 55.hg5 fg5= 56.Qd3 Qb7 57.Qf5 Qe7 58.Be3 Bf6 59.Bd2 Kg7 60.Kh2?? Qc7?? 61.Kh3= Qe7 62.Bc1 Qd8 63.Bg5 Bg5-/+ 64.f4 Bf6 65.Qh5 Qd3 66.Qf3 Qf5?? 67.Qg4+- Qg4 68.Kg4 Bd8 69.Kf5 Bc7 70.g4 Kf7 71.g5 Kg7 ½–½. Shirazi,Kamran G (2490) – Lalic,Bogdan (2630), Pontoise op rapid, 2006. (=1.e4 c5 2.b4 d5 3.ed5 cb4 4.a3 Nf6 5.ab4= Nd5)

    6.c3 e6 7.Nf3 Be7 8.Bb5 Nd7 9.0-0 0-0 10.d4 N7f6 11.Ne5 Qc7 12.Qf3 Bd6 13.Re1 Nd7 14.Bd3 Be5 15.de5 Ne5 16.Bh7 Kh7 17.Qh5 Kg8 18.Re5 Nf6 19.Qe2 Rd8 20.h3 Rd5 21.Bf4+= Qc6 22.c4 Rd4 23.Rc5 Qe4 24.Be3+/- b6? 25.Nc3+- Qd3 26.Bd4 Qd4 27.Rd1 Qc3 28.Rd8 Kh7 1–0. Simensen,A – Knudsen,Ole Scott (2230), NOR–chT east (1), 1992.

    6.c3 g6 7.Bc4 Be6 8.Qb3 (8.Bb5 Bd7 9.Bd7 Nd7=) 8...Bg7 (8...Nf4 9.Be6 fe6 10.Nh3 Ng2 11.Kf1=) 9.Nf3= h6 (9...Nf4 10.d4 Nd3 11.Ke2 Bc4 12.Qc4 Nc1 13.Rc1+=) 10.0-0 0-0 11.Ra5 (11.Re1 Nf4 12.Be6 Ne6+=) 11...Nc7 (11...Nf4 12.Be6 Ne6 13.d4=) 12.Be6 Ne6 13.d4 Nd7 (13...b6 14.Ra2+=) 14.Re1 b6 15.Ra2 Nf6 (15...a5 16.b5+=) 16.Ne5+/- Nd5?? (better is 16...Qd5 17.Qd5 Nd5+/-) 17.Nc6+- Qd7 (17...Qd6 18.Qd5!! Rfe8 19.Qf3+-) 18.Qd5!! Qd5 (18...Qd6 19.Qf3 Rfe8 20.Rae2+- (20.Na7?! Qd7+-)) 19.Ne7 Kh7 20.Nd5 Rfd8 21.Nf4 1-0. Capron,Daniel - Laclau,Daniel (2240), FRA, 1993.

    6.c3 g6 7.d4 Qc7 8.Qf3 Nb4 9.Bf4 Nc2 10.Kd1 Nd4 11.Bc7 Nf3 12.Nf3 (12.gf3?! Nc6+=) 12...Nc6 13.Bb5 Bd7 14.Ke2 Bg7 15.Rd1 Rc8 (15...a6 16.Bd3+/-) 16.Bf4 (better 16.Bc6!? Bc6 17.Ra7+-) 16...a6+/- 17.Ba4 e5 18.Bc6 (18.Be3!?+/-) 18...Rc6+= 19.Bc1 (worse 19.Be5 Re6=+; worse 19.Ne5 Re6-/+) 19...Be6 20.Ba3 f6 21.Nbd2 Rc3 22.Ne4 Rc2 23.Ke1 Bf8? (better 23...Bg4!?+/-) 24.Nf6+- Kf7 25.Nh7! Bh6 (25...Rh7 26.Ng5 Deflection) 26.Nhg5 Bg5 27.Ng5 Kf6 28.Ne6?? (better 28.Ne4 Kf5 29.Nd6 Kf6 30.h3+-) 28...Rh2-+ 29.Rd2 Rh1 30.Ke2 Rd2 (30...Rd2 31.Kd2 Ra1-+) 0-1. Jukes,Sam (1895) - Nechio,Douglas Egidio Gome (1815), 16th South Wales Int, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5)

    6.d4 Nb4 7.c3 Nd5 8.Nf3 e6 9.Bd3 Be7 10.Qc2 h6 11.0-0 Nc6 12.Na3 0-0 13.Nc4 b6 14.Ne3 Bb7 15.Ng4 Rc8 16.Qd2 Bg5 17.Qb2 Nf4 18.Bb1 Qd5 19.Ne3 Qd8 20.h4 Be7 (20...Bh4?! 21.g3 Bg5 22.gf4 Bf4 23.Qc2=) 21.g3 Nd5 22.Ng4? (22.c4 Ndb4-/+) 22...f5 (22...Nc3 23.Be3-+) 23.Nge5 Ne5 24.Ne5 Nc3 (24...Rc3?! 25.Bd2 Rc7 26.Ra7-/+) 25.Be3 a5 26.Bd3 Bf6 ½–½. Johnson,C (1885) – Garrett,William J (1950), Stillwater USA, 3rd OCF, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5)

    6.Nf3 e6 7.Bb2 Nd7 8.g3 N5f6 9.Bg2 Bb4 10.0-0 0-0 11.Na3 Nb6 12.Qe2 Bd7 13.Ne5 Qc7 14.Rfb1 Be7 15.Nb5 Qc2 16.Bd4 Bb5-/+ 17.Rb5 Rfd8 18.Be3 Nfd5 19.Bb6-/+ ab6 20.Re1 Qf5 21.Be4 Qf6 22.Rb3 g6 23.d4 Qg7 24.Rf3 Bf6 25.Ng4? Bd4-+ 26.Bd5 Rd5?? 27.Rf7= Kf7 28.Qe6 Kf8 29.Qd5 h5 30.Nh6 Qh6 31.Qd4 Qg7 32.Qd6+- Kg8 33.Re7 Ra1?? 34.Kg2 Qh6 35.Qe6 (35.Qe6 Kh8 36.Qc8 Qf8 37.Qf8) 1–0. Littlewood,John Eric – Cafferty,Bernard, Hastings6061 (2), 1960.

    6.Nf3 e6 7.Bb2 Nf6 8.g3 Bb4 9.Bg2 0-0 10.0-0 Nbd7 11.c4 Qc7 12.Qb3 Be7 13.d4 b5 14.cb5= Bb7 15.Rc1 Qb8 16.Na3 Bd5 17.Qc3 a6 18.Ne5 Bg2 19.Kg2 ab5 20.Nc6 Qd6 21.Ne7?? Qe7=+ 22.Nb5 Nd5 23.Ba3 Nc3-+ 24.Be7 Nb5 25.Bf8 Ra1 26.Ra1 Kf8 27.f4 Ke7 28.Rd1 Kd6 29.Kf3 Kd5 30.h3 h5 31.Ke3 Nb6 32.g4 hg4 33.hg4 Nc4 34.Kf2 Ke4 35.Rc1 Nbd6 36.f5 ef5 37.gf5 Kf5 38.Kf3 g5 39.Rg1 g4! 40.Kg3 Kg5 41.Ra1 f5 42.Ra8 f4 43.Kh2 f3 44.Rg8 Kf4 45.Rf8 Nf5 46.d5 g3 47.Kh3 f2 (47...f2 48.Rf5 Kf5 49.Kg3 f1Q 50.d6 Qf4 51.Kh3 Qf3 52.Kh2 Ne3 53.d7 Qg2) 0–1. Torres,Joseph – Ancheta,J (2055), II Open San Salvador ESA, 2003.

    6.Nf3 e6 7.b5 Be7 8.d4 a5 9.c4 Nb4 10.c5 e5 11.Bd2 (worse 11.Ne5 Qd4 12.Qd4 Nc2 13.Kd1 Nd4=+) 11...e4 12.Bb4 ef3 13.Bc3 (13.Qf3?! Qd4 14.Bc3 Qc5=+) 13...Bc5 14.dc5 Qe7 15.Kd2 (15.Be2 fe2 16.Qe2 Be6+=) 15...fg2 (better 15...Qg5!? 16.Kc2 fg2 17.Bg2 Qg2=+) 16.Bg2= Qg5 17.Kc2 (17.f4 Qg2 18.Qe2 Qe2 19.Ke2 Bd7=+) 17...Bf5 18.Kb2 Qg2 19.Re1 (19.Qg1!? Qe4 20.Qg7 Qc2 21.Ka3+=) 19...Be6=+ 20.Qd6 Qf2 (20...Nd7 21.Nd2 b6 (worse 21...Qf2 22.c6 bc6 23.Bg7+=) 22.Re6 fe6 23.Qe6 Kd8+-) 21.Nd2+= Nd7 22.Re6 (22.Re6 fe6 23.Bg7=; 22.c6!? bc6 23.Bg7+=) 1–0. juliangon (2720) – marekt (2470), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5)

    6.Nf3 Bg4 7.Ba3 e6 8.Be2 (8.Nc3=+) 8...Bb4 (better 8...Qf6!? 9.c3 Nf4-/+) 9.c4= Ba3 10.cd5 Be7?? (better 10...Bf3 11.Bf3 Bc5=) 11.Qa4+- (11.Qa4 Nd7 12.Qg4+-) 1-0. Bubuz (2620) - onubense (2190), Rated Blitz game, lichess.org, 2015. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5)

    6.Nf3 Bg4 7.Bc4 e5 8.0-0 Be7 9.h3+= Bh5 10.g4 Bg6 11.Ne5 0-0 12.c3 Nc6 13.Ng6 hg6 14.d4 Rc8 15.b5 Ncb4 16.Qb3+- Nb6 17.Be2 N4d5 18.c4 Nf4 19.Bf4 Qd4 20.Ra7 Qf4 21.Qf3 Qe5+/- 22.Qe3 Qb8 23.Ra2 Bc5 24.Qf3 Qe5 25.Qb7 Bd6 26.Qg2 Nc4 27.Bc4 Rc4+= 28.Nd2 Rb4= 29.b6 Rb6 30.Nc4 Qe6 31.Nb6 Qa2 32.Qd5 Qd5 33.Nd5 g5 34.Kg2 Re8 35.Kf3 Kh7 36.Rd1 Bc5 37.Nc3 Re5 38.Rd5 Rd5 39.Nd5 Kg6 40.Ke2 f5 41.f3 fg4 42.hg4 Kf7 43.Kd3 Ke6 44.Ke4 Bd6 45.Nc3 Be5 46.Nb5 Ba1 47.Na3 Bb2 48.Nb1 Ba1 49.Nd2 Bc3 50.Nb3 Bf6 51.Nc1 Ba1 52.Nd3 Bf6 ½–½. Muzychuk,Anna (2380) – Lakshmi,Pra (2040), WYg14 Heraklio GRE (3), 2004.

    6.b5 Bf5

    7.Bb2 Nb4 8.d3 e5 9.Nf3 Qc7 10.c3 Nd5 11.c4 Bb4.

    7.Bb2 Qc7 8.Nc3 Nb4= 9.d3 e5 10.Nf3 Bd6 11.Be2 0-0.

    7.Bb2 Qc7 8.c4 Nb4 9.d3 e5=+ 10.g4 Be6 11.h3 Nd7 12.Nf3 Rd8 13.Ra7+= f6 14.d4 ed4 15.Qe2 Nc5-/+ 16.Qd2 Be7 17.Rh2 Ne4-+ 18.Qc1 d3 0–1. Guilherme,Maciel – Kerekes,Jozef (2315), IECC, 2003.

    7.Bc4 Nf4=+ 8.Qf3 (8.Kf1 e6 9.d3 Qd4=) 8...Qc7 9.d3 Qe5 10.Kd1 Qa1 11.Qb7 e6 (11...Qb1? 12.Qa8 Ne6 13.Be6 fe6 14.Qb8 Kf7 15.Nf3+-) 12.Bf4 Qb1 13.Bc1 Ba3 14.Ne2 0-0 15.Qa8 Na6 (15...Bc5 16.Qf3 Nd7 17.Qc6+=) 16.Qa7+- Nb4 17.Qa3 Qc2 18.Ke1 Bd3 19.Bd3?? (better 19.Bd2 Qc4 20.Qb4 (20.Bb4 Qe4 21.Qb2 Rc8-+) 20...Be2 21.Qc4 Bc4 22.b6+=) 19…Nd3-+ (19...Nd3 20.Qd3 Qd3-+) 0–1. Snoopy85 – marekt, ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5 6.b5 Bf5)

    7.Nf3 Qc7 8.c4 Nb4 9.d3= e5 10.Be2 Bc5 11.Bb2 f6.

    7.Nf3 Qc7 8.d3 e6 9.c4 Bb4 10.Bd2 Bd2 11.Nbd2 Nf6 12.Be2 h6 13.Qb3 Nbd7 14.Qa3 a5 15.0-0 Qc5 16.Nb3 ½–½. Herbold,M (2170) – Havlikova,K (2295), 23rd Staufer–Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.ab4 Nd5)

    7.Nf3 e5 8.Bc4 Nb6 9.Bb3 e4 10.Qe2 Be7 11.Ng1 N8d7.

    7.Nf3 e6 8.Bb2 Nd7 9.Be2 Nf4=+ 10.0-0 Bd6 11.Re1 Ne2 12.Qe2 0-0 13.Nd4 Qh4 14.g3 Qg4 15.Nf5 Qf5 16.Na3 Rac8 17.Nc4 Bb8 18.Ne3+= Qg6 19.Ra4 e5= 20.Qf3 f5 21.Qb7+/- Nb6 22.Ra6 Rc7 23.Qg2 f4 24.Nd5 f3 25.Qf1 Qc2 26.Nc7+- Qb2 27.Ne6 Re8 28.Ng5 Qb3 29.Re3 Qd5 30.Nf3 Rf8 31.Ng5 e4 32.Ne4 Nc4 33.Rc3 Ne5 34.Qe2 Qd4 35.Re6 Qd5 36.Re7 Ng6 37.Rc5 Qb3 38.Rb7 Qb1 39.Kg2 Ne5 40.Ng5 Qb4 41.d4 (41.d4 Bd6 42.Re5+-) 1–0. Rewitz,Poul (2305) – Rasmussen,P (2285), DEN–ch qual (7), 1996.

    5.Bb5 Bd7

    6.Bc4 Qc7 7.Qe2 b5 8.Bb3 Na6 9.ab4 Nb4 10.Nc3 Nc2 (better is 10...Qc5!?=) 11.Bc2+/- b4 12.d6 Qc5 (12...Qd6 13.Nb5) 13.de7 Be7 14.Bb3 (better is 14.Nf3 0-0 15.Bb2 bc3 16.Bc3+=) 14...bc3-/+ 15.Ba3 (15.Nf3 0-0-/+) 15...cd2-+ 16.Kf1 (better is 16.Kd1 Bb5 17.Qf3-+) 16...d1Q?? (better is 16...Bb5 17.Bc5 Be2 18.Ke2 Bc5 19.Ba4 Ke7-+) 17.Bd1+= (worse is 17.Qd1 Bb5 18.Ne2 Qe5-+) 17...Qb5 18.Qb5 (18.Be7!? Qe2 19.Be2 Ke7 20.Bf3-/+) 18...Bb5-/+ 19.Be2 Be2 20.Ke2 Ba3 21.Ra3 0-0 22.Nh3 a5 23.Rc1 Rfe8 24.Kf1 h6 25.Rc5 Ne4 26.Rd5 a4 (better is 26...Rac8 27.g3 a4-+) 27.f3+= Nf6 28.Rd4 Reb8 29.Raa4 Ra4 30.Ra4 ½–½. Capron,Daniel (2070) – Ballandras,Marc (1810), St Chely d'Aubrac op 5th, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.Bc4 Bg4 7.f3 Bf5 8.ab4 Nd5 9.Ra5 e6 10.Bd5 ed5 11.Qe2 Be6 12.Nc3 Be7 13.Qb5 Nc6 14.Nge2 0-0 15.Ra4 Qd7 16.0-0 a6 17.Qb6 Rfc8 18.Kh1 Bd8 19.Qf2 b5 20.Ra1 d4 0–1. Pass,D (2040) – Weeks,Ma (2200), Open, Liverpool ENG, 2007.

    6.Bc4 Bg4 7.Nf3 Nd5 8.Bb2 e6 9.h3 Bh5 10.0-0 Be7 11.ab4 Nb4-/+ 12.Nc3 N8c6 13.Ne4 0-0 14.Ra3 Rc8 15.Bd3 Nd3 16.Rd3-/+ Qc7 17.Qa1 Bf3 18.Rf3-/+ e5 19.Rg3 f5 20.Ng5 Bg5 21.Rg5 h6 22.Rg3 f4 23.Rg4 Rcd8 24.d3 Rf5 25.h4 Qe7 26.Re1 h5 27.Rg5 Rg5 28.hg5 Qg5 29.Be5 f3 30.g3 Re8 31.Bf4 Re1 32.Qe1 Qe7 33.Qe3 Qe3 34.fe3 Nb4 35.Kf2 Nc2 36.Kf3 Kf7 37.Ke4 a5-+ 38.d4 b5 39.Bd6 b4 40.Kd3 b3 41.Kc3 a4 42.Bf4 Ke6 43.Be5 Ne3 44.Bg7 Kd5 (44...Kd5 45.Bf8 Nd1 46.Kd2 Nf2-+) 0–1. Lutz,Klaus Juergen (2285) – Weigand,Bernhard, Oberliga Hessen, 1991.

    6.Bc4 Bg4 7.Nf3 Nd5 8.ab4 e6 9.0-0 (9.c3 Bd6+=) 9...Bb4 10.c3 Be7?? (better is 10...Bf3 11.Qf3 Be7+=) 11.Qa4+- Nd7 12.Bd5 ed5 13.Qg4 0-0 14.Ba3 Nf6 15.Be7 Qe7 16.Qb4 Qc7 17.Na3 Rfe8 18.Nb5 Qd7 19.h3 Re4 20.Nbd4 Nh5 21.Qb5 Qe7 22.d3 (22.d3 Re6 23.Ne6 fe6 24.Rfb1+-; worse is 22.Qd5 Nf4 23.Qb5 Qc7+-) 1–0. Lopez de Lerma,Ruiz Jesus – Suarez Real,Alberto (2090), Asturias–ch Gijon, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.Bc4 g6 7.ab4!? Bg7 8.Nc3 +/-.

    6.Bc4 g6 7.Ne2 Bg7 8.Bb2 0-0 9.Bf6 Bf6=+ 10.d4 b5 11.Bb3 ba3-/+ 12.Ra3 a5 13.0-0 b4=+ 14.Ra2 a4 15.c4 a3 16.Ng3 Bc8 17.Qd2= Na6 18.Qe3 e6 19.d6= Bb7 20.c5 Bd5 21.Nd2 Bb3 22.Nb3 Bg7 23.Ne4 Nb8 24.Ned2 Nc6 25.Qe4 Na7 26.d5 ed5 27.Qb4 Nc6 28.Qf4 Qf6 29.Qg4 Qf5 30.Qe2 Nb4-+ 31.Nf3 Na2 32.Qa2 d4! 33.Rd1 Qd5 34.Nfd4 Bd4 35.Rd4-/+ Qb3! 36.Qb3 a2 37.g3 a1Q 38.Rd1 Qa6 39.Qd5 Rfd8 40.d7 Ra7 41.c6 Rc7?? 42.Re1+/- Qc6 ½–½. Haub,Thorsten Michael (2310) – Kunze,Markus (2360), Munich op9192, 1992.

    5.c4 bc3+=

    6.Qa4 Bd7 7.Qb3 cd2 8.Nd2 +=.

    6.Nc3 Nd5 7.Bb2 Nc6 8.Nf3 Nf6 9.Bc4 g6 (9...e6 10.0-0-/+) 10.0-0 Bg7 11.Re1 0-0 12.h3 a6 13.Rc1 Bd7 14.Ba1 b5 15.Ba2 Qa5 16.Nd5 Nd5 (16...Qa3!? 17.Nb6 Rad8 18.Nd7 Nd7 19.Bg7 Kg7 20.Rc6 Qa2 21.Re7 Rfe8-/+) 17.Bg7+= Kg7 18.Bd5 Rac8 19.Qb3 e6 20.Qb2 Kg8 21.Bc6 Bc6 (better is 21...Rc6 22.Rc6 Bc6=) 22.Ne5+/- Bd5? (22...Bb7 23.Ng4 Rfe8 24.Rc8 Bc8 25.Rc1+-) 23.Nd7 (better is 23.Ng4 f6 24.Nf6 Kf7 25.Nh7 Kg8 26.Nf8 Rf8+-) 23...Rfd8?? (23...Rc1 24.Nf6 Kh8 25.Rc1 Bc4+-) 24.Nf6+- Kf8 25.Nd5 Rd5 26.Rc8 Ke7 27.Qb4 Qb4 28.ab4 Rd2 29.Rb1 Rd6 30.Rc7 Kf6 31.Rc5 h5 32.Rc3 e5 33.Rf3 Ke6 34.Kf1 f5 35.Ke2 e4 36.Rg3 Kf6 37.Rgb3 Ke5 38.Rd1 Rc6 39.Kd2 g5 40.Rc1 (40.Rc1 Rc1 41.Kc1+-) 1–0. Wren,Michael E – Winter,Malcolm J (1620), Southend op London, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.Nc3 Nd5!? 7.Qb3 Nb6 -/+.

    6.Nc3 Nd5 7.Bb5 Nc6-/+ 8.Qf3 (8.Nf3 Nc3 9.dc3 Qd1 10.Kd1 Bd7-/+) 8...Nc3 9.dc3 g6 (9...Bd7 10.Ne2-/+) 10.Ne2-/+ Bg7 11.0-0 0-0 12.h4 (12.Bc6 bc6 13.Qc6 Bf5-/+) 12...Ne5-+ 13.Qg3 Qa5 14.Nd4 Bd7 (14...Ng4 15.a4 a6-+) 15.Be2 (better is 15.Bd7!? Nd7 16.Rb1-/+) 15...Rac8-+ 16.Bd2 Nc4 17.Bg5 e5 18.Nb3 Qa4 19.Rfb1 Bf5 (19...Na3?! 20.Nd2 f6 21.Rb3 fg5 22.hg5-/+) 20.Bd3 Qd7 (20...Na3? 21.Bf5 gf5 22.Ra3+-) 21.Rd1 Nb2 22.Bf5 Qf5 23.Rd5 Qe6 24.Rb5 b6 25.Nd2 (25.h5-+) 25...Na4 26.c4 (26.Ne4 f5 27.Rb4 b5-+ (27...fe4?! 28.Ra4 Rc7 29.Re4-/+)) 26...h6 27.Be3 (27.Qb3 Nc5 (27...hg5?! 28.Qa4 Rfd8 29.Nf3-+) 28.Rc5 Rc5-+ (28...hg5?! 29.Rc8 Rc8 30.hg5+=)) 27...Nc3 28.Re1 Nb5 29.cb5 Qf5 (29...Rfd8 30.h5 g5 31.Qf3-+) 30.f3 Rc3 (30...Qd3 31.a4-+) 31.Ne4 (31.a4 Rc2-+) 31...Ra3 32.Bd2 (32.Qf2 Qe6 33.Qb2 Rb3-+) 32...Rd8 33.h5 (33.Be3 Rb3-+) 33...Qh5 34.Bb4 (34.Qf2 Ra2 35.Qe3 Rb2-+) 34...Rad3 35.Be7 (35.Qf2 Qf5 36.Qa2 Qd7-+) 35...Qf5 (better is 35...R8d5-+) 36.Bd8 Rd8 37.Rc1 Qd7 38.Rc6 Rc8 39.Rf6 (39.Qh3 Qh3 40.gh3-+) 39...Qd4 40.Kh2 Bf6 41.Nf6 Kg7 42.Nh5 Kf8 43.Qh3 (43.Nf6-+) 43...Rc1 0–1. Zimniok,Lubomir (2125) – Hausner,Ivan (2335), CZE, Extraliga, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.Nc3 g6 7.Qb3 Bg7 (7...Nbd7 8.a4=) 8.Bb2 0-0 9.Nf3 Nbd7 10.Bc4 Nb6 (10...Nc5 11.Qa2+=) 11.Rb1 (11.a4 Qc7 12.d3 Nbd7=) 11...Bg4 (11...Bf5 12.d3-/+) 12.Ne5 (12.Be2 Nfd5 13.Nd5 Qd5 14.Qd5 Nd5 15.Bg7 Kg7 16.Rb7 Rfb8 17.Rb8 Rb8-/+) 12...Bf5 13.d3 (13.Bd3 Ng4 14.Bf5 Ne5-/+ (14...gf5?! 15.Ng4 fg4 16.0-0=)) 13...Rc8 (13...Nc4 14.Qc4 Rc8 15.Qb5-/+) 14.Rd1 (14.Rc1!?-/+) 14...Ne8 15.Ne2 Nd6 16.Rc1? (16.0-0 f6 17.Nf3 Bd7-/+) 16...Bh6 (better is 16...Be5!? 17.Be5 Ndc4 18.dc4 Nc4-+) 17.Rc2?? (better is 17.f4 f6 18.Nf3-/+) 17…Ndc4-+ ½–½. Tikhostup,Victor – Gorlovetsky,Stanislav (2200), Kiev Independence Cup–A 2nd, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    5.Nf3 Nd5

    6.Bb2 Nc6 7.Be2 Bf5 8.0-0 e6 9.Nd4 Nd4 10.Bd4 Bd6 11.c3 e5 12.Bb5 Bd7 13.Bc4 Be6 14.Be3 Nc3 15.dc3 Bc4 16.Re1 0-0 17.ab4 a6 18.Nd2 Bd3 19.Nb3 e4 20.Nc5 Be5 21.Bd4= Bd4 22.cd4 Qd6 23.Nd3 ed3 24.Qd3 Rad8 25.b5 ab5 26.Qb5 Rd7 27.Ra7 Rb8 28.d5 g6 29.Rd1 h5 30.g3 Re7 31.Ra4 Rbe8 32.Qb4 Qd7 33.d6 Re2 34.Ra7+= Qf5 35.Rf1 h4 36.Qh4 R2e4 37.Qh6 Qd5 38.Qc1 Qd6 39.Rb7 Qd5 40.Qb1 Qe5 41.Rb5 ½–½. Go,B (2180) – Sriram,J (2425), 12th HZ Open, Vlissingen NED, 2008.

    6.ab4 Nb4 7.Bc4 e6 8.0-0 Be7 9.d4 0-0 10.Re1 N8c6 11.c3 Nd5 12.Qd3 b6 13.Nbd2 Bb7 14.Ne4 Na5 15.Ba2 Nf6 (15...Qc7 16.Bg5-/+) 16.Neg5 Bd5 17.c4 Bf3 18.Nf3 Nc6 19.Bb1 Rc8 20.Bb2 Nb4 21.Qb3 Qc7 22.Ne5 Nd7 (22...Bd6 23.Ra4 a5 24.f4=+) 23.Qh3 (23.d5 Ne5 24.Be5 Qc4=+) 23...f5 24.d5 Ne5 (24...ed5? 25.Bf5 Rf5 26.Qf5 Ne5 27.Be5+- (27.Re5?! Rf8 28.Qe6 Rf7+-; 27.Qe5?! Qe5 28.Be5 Rc4=)) 25.Be5 (25.Re5?? Bf6 26.Qg3 Qc4-+ (26...Be5?! 27.Be5 Qd7 28.h3-+)) 25...Qc4 26.de6 Qg4 (better 26...a5!?=) 27.Qg4+/- fg4 28.Ra7 Nc6 29.Rb7 Ne5 30.Re7 Rc5 31.Rb7 Rfc8 (31...b5 32.e7 Re8 33.Ba2 Kh8 34.Rd1+-) 32.e7 (32.Rb6 g6+-) 32...Kf7 33.Bh7 Rc1 34.Bg8! Kf6? (34...Rg8 35.Rc1 Deflection; 34...Kg8 35.e8Q Double attack) 35.e8N!+- Kg5 (35...Re8 36.Rc1 Deflection (36.Rb6 Zwischenzug)) 36.Rg7?? (better 36.h4 gh3 37.Rc1 Rc1 38.Kh2+-) 36...Kh6= 37.Rh7 Kg6 38.Rg7 Kh6 39.Rh7 Kg6 40.Rg7 ½-½. Riha,Vojtech (2285) - Biolek,R1 (2440), ch-CZE, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.ab4 Nb4 7.Bc4 Bf5 8.d3 e6 9.0-0 Be7 10.Nbd2 N8c6 11.Re1 0-0 12.Ne4 Na5 13.Nfd2 Nc4 14.Nc4 b5 15.Na3 a6 16.Bd2 Qd7 17.Qb1 Nc6 18.Qa2 Rfc8 19.Rad1 (better is 19.Qb1-+) 19...Nd4 20.c3 Ba3 21.cd4 Bf8 22.Be3 Qd5 23.Qd5 ed5 24.Nc5 a5 25.Kf1 b4 26.Ke2 a4 27.Kd2 f6 (27...b3 28.Kc3-+) 28.Ra1 Bc5 (28...a3!? 29.Reb1 Rcb8 30.Rb3-+) 29.dc5 d4 30.Bd4 Rd8 31.Ke3 Rd5 32.Bb2 a3 33.g4 Bd3 34.Kf4 Rc5 35.Bc1 Rc2 36.Kg3 a2 37.Be3 b3 38.Bd4 b2 0–1. Ehlers,Michael (1945) – Pfrommer,Christoph (2395), Staufer op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.ab4 e5 7.Bc4 Be6 8.0-0 Bd6 9.d4 e4 10.Ng5 Qc7 11.Ne6 fe6 12.Bb5 Nd7 13.Qg4 0-0-0 14.Ra7 Kb8 15.Ra5 Bh2 16.Kh1 N7f6 17.Qh3 Bd6 18.Qa3 Nb6 19.Be2 Nfd5 20.Bd2 Qe7 21.Qh3 Rdf8 22.g3 e3 23.fe3+/- Rf1 24.Bf1 Bb4 25.Rb5 Bd2 26.Nd2 Rf8 27.g4 Rf6 28.Qg3?? Qc7+= 29.Qc7 Kc7= 30.Rc5 Kb8 31.e4 Ne3 32.Bh3 Rf2 33.Nb3 Rf3 34.Kh2 Nd7 35.Rb5 Nc2 36.g5 Rd3 37.d5+= Na3 38.Rb4 Ne5 39.de6 Ng6 40.Nc5 Rd2 41.Kh1 b5= 42.Rb3 Ra2 43.Bf5 Ne7 44.Bh7 Kc7 45.Rd3 Kc6 46.Nb3 Rb2?? 47.Na5 Kc5 48.Rd7 Nc2 49.Nb7 Kb6 50.Re7 Nd4 51.Nd8 Nf3 52.Rb7 Ka6 (52...Ka6 53.Ra7 Ka7 54.Nc6 Kb6 55.e7 Rh2) 0–1. Spencer,E (2180) – Vedrickas,T (2295), 115th ch–SCO, Glasgow SCO, 2008.

    6.ab4 Bg4 7.c4 Nb4-/+ 8.Qa4 (8.Na3!?-/+) 8...N8c6 9.Ne5 (better is 9.Na3-/+) 9...Qd4-+ 10.Ng4 Qa1!! (10...Qg4?! 11.Nc3 e6 12.Rb1-/+) 11.Qa1 (11.Qa1 Nc2 Decoy Double attack) 11...Nc2 12.Kd1 Na1 13.Be2 (13.Bb2 Nb3 14.h4 Ncd4-+) 13...Nb3 14.Bb2 f6 15.Nc3 (15.h4 Rd8-+) 15...e6 (better is 15...Rd8 16.Bc1-+) 16.Nb5 (16.d3 h5 17.Ne3 Nc5-+) 16...Kf7 (better is 16...0-0-0 17.d3 Nc5-+) 17.Kc2 Nba5 18.d4? (18.Bc3-+) 18...a6 19.Nc7 Rc8 20.Ne6 Nb4 (20...Nb4 21.Kd2 Ke6-+; 20...Ke6?! 21.d5 Kf7 22.dc6 Nc6 23.h4-+) 0–1. Lequeux,Olivier – Chanoine,Guillaume (2135), Syre Memorial op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6)

    6.Bc4 e6 7.0-0 Nc6 8.Bb2 ba3 9.Na3 Nf6 10.d4 Be7 11.Qe2 0-0 12.Rfd1 b6 13.Ne5 Bb7 (13...Na5!?+=) 14.Nf7 Rf7 (14...Kf7 15.Qe6 Kg6 16.Bd3 Kh6 17.Qe3 g5 18.d5+/-) 15.Qe6 Qf8 16.Qf7 Qf7 17.Bf7 Kf7 18.d5 Na5 19.d6 Bf8 20.Nb5 a6 21.Nc7 Rd8 22.Be5 (22.Bf6!? gf6 23.d7-/+) 22...Nc4 23.Bg3 Bd6 (23...Ne4!? 24.Rd4 b5 25.Na6 Ng3 26.hg3 Rd6 27.Rf4 Rf6 28.Rf6 Kf6 29.Nc7-+) 24.Bd6-/+ Nd6 25.Na6 Nd5 26.Rd4 Ra8 27.Rda4?? (27.Rd3 Ke7 (27...Ba6?! 28.Rd5 Nc4 29.f3+=; 27...Ra6?! 28.Ra6 Ba6 29.Rd5-/+) 28.Rd2 Nc4-+) 27...b5 (better is 27...Nc3!? 28.Rf4 Kg8 29.Rb4-+) 28.Ra5? Ba6?? 29.Ra6-/+ Ra6 30.Ra6 Ke6 31.Ra7 Nf5 32.g4 Nfe7 33.Kg2 Ke5 34.c3 g5 35.Rb7+= Kf4 36.h3 h6 37.Rb5+= Nc3 38.Rb6 Ng8 39.Rg6 Ne7 40.Rf6 Ke5 41.Rh6 Ncd5 42.Kf3+/- Nf4 43.h4 gh4 44.Rh4 Neg6 45.Rh7 Kf6 46.Ra7 Ne6 47.Kg3 Ngf4 48.Ra4 Ne2 49.Kf3 Ng1 50.Ke3 Nh3 51.Ra5 Nhg5 52.f4 Nf7 53.Rf5 Kg6 54.Ra5 Nh6?? 55.f5+- Kf6 56.fe6 Ng4 57.Kf4 Nh6 58.Ke4 Ng4 59.Ra6 Ke7 60.Kf4 Nf6 61.Kf5 Nd5 62.Ra7 Kd6 63.Rd7 (63.Rd7 Kc6 64.Rd5 Kd5 65.e7+-) 1–0. Calleja Quintana,Jesus Manuel – Roiz Baztan,David (2295), Asturias–chT, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.Nf3 Nd5)

    6.d4 Nc6 7.ab4 e5 (7...Ndb4 8.c3 Nd5 9.c4=+) 8.c3= ed4 9.b5 Na5 (9...Nc3 10.Nc3 Bb4 11.bc6 Bc3 12.Bd2 Qe7 13.Be2 Ba1 A) worse 14.Qa1 d3 (worse 14...bc6 15.Nd4 Bg4 16.h3+=) 15.Be3 de2 16.Qg7 Rf8-/+; B) 14.cb7 Bb7 15.Qa1=) 10.Nd4+= (10.Qd4? Nb3 11.Qe4 Qe7 12.Qe7 Ne7-+) 10...Bc5 11.Ba3 (better 11.Qe2 Ne7 12.Be3+=) 11...Nc3!-/+ 12.Nc3 Qd4 13.Qd4 (13.Qc2 Qe5 14.Qe2 Qe2 15.Be2 Nb3-/+) 13...Bd4 14.Bb4 (14.Bb2 Nb3 15.Rd1 Be6-/+) 14...Nb3 15.Ra3 (15.Rb1 Be6-/+) 15...Be6 16.Be2 (16.Ne4 Kd7-/+) 16...Nc1 (16...Rc8 17.Ne4 Rc1 18.Bd1-+) 17.Ne4-/+ 0-0-0 18.Nd6 (18.Be7 Rd7 19.Bc5 Re8-/+) 18...Kb8-+ 19.f4 (better 19.Rf3-+) 19...Na2 (19...Ne2?! 20.Ke2 Bb2 21.Rd3=+) 20.Ra2 Ba2 21.Bf3 (21.Kd2 Bd5 22.Rd1 Bb6-+ (22...Bg2?! 23.Nf7 Bg1 24.Nd8 Rd8 25.Bd3 Bh2 26.Ke3-+)) 21...Kc7 (21...Rd7 22.Bg4 Re7 23.Kd1-+) 22.Ke2 (22.Nb7 Rd5 23.Bd5 Bd5-+) 22...Rd6 23.Rc1 Kd7 24.Bg4 (24.Bd6 Kd6 25.Bb7 Rb8-+) 24...f5! 25.Bf5 Be6 (25...Be6 26.Bd6 Bf5-+ (worse 26...Kd6 27.Be6 Ke6 28.Rc7-+)) 0–1. Zhou,Jianchao (2205) – Neubauer,Martin (2430), Linz AUT, Men Ch, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Nf6 5.Nf3 Nd5)

    6.d4 e6 7.Bd3=+.

    4.e5 Qa5

    5.Bb2 Nc6 6.d4 Bf5 7.ab4 Qb4 8.Bc3 Qb6 9.Nf3 e6 10.Be2 Bb4 (10...Nge7 11.Nh4-/+) 11.0-0=+ Nge7 12.Qd2 0-0 13.Bb4 (13.Ra4 Bc3 14.Nc3 a6=+) 13...Qb4 14.Nc3 Nc8 (14...Ng6 15.Ra4 Qe7 16.Nb5-/+) 15.Rfb1 (15.Rab1 Qe7-/+) 15...Qe7 16.Rb2 (16.Bb5 Nb6=+) 16...Bg4-/+ 17.Rab1 (17.Qe3 Nb6-/+) 17...Bf3 (17...Nb6 18.Qg5 Qg5 19.Ng5 Be2 20.Ne2-/+) 18.Bf3 (18.Rb7 Qh4 19.Bf3 Qd4 (worse 19...Nd4 20.Bd5 ed5 21.R7b4+=) 20.Qd4 Nd4-/+) 18...Qh4 (18...Nb6 19.Qd3-/+) 19.Ne2 (19.Nb5 Nb6 20.Be2 f6=+) 19...Nb6 20.g3 (20.Qd3 f6 21.ef6 Qf6-/+) 20...Qe7-+ 21.Qd3 (21.Qf4 f6 22.ef6 Rf6-+ (worse 22...Qf6 23.Qf6 Rf6 24.Bg2-/+)) 21...Rfb8 (21...f6 22.ef6 Qf6 23.Kg2-+) 22.h4 (better 22.Nf4!?-/+) 22...Nc4-+ 23.Rb3 a5 24.Nc3? (better 24.Ra1-+) 24...a4 25.Rb5 Na3 26.Ra1 (26.Rc1 Nb5 27.Nb5 f6-+) 26...Nb5 27.Nb5 a3! 28.c3 (28.Ra3 Nd4 Decoy; 28.Na3 Ra4 Decoy) 28...Na5 (28...Ra5!? 29.Bd1-+) 29.Ra3 Nc4 30.Rb3 (30.Ra8 Ra8 31.Qb1 Na3 32.Na3 Ra3-+) 30...Ra5 31.Rb4 Qd7 32.Nd6 (32.Bd1 Rba8-+ (32...Rb5 33.Ba4 Rb4 34.Bd7-/+)) 32...Nd6 33.ed6 Qd6 34.Qb1 (34.Bd1 Qc7-+) 34...Qa6 35.Qb3 (35.Qe1 Ra1 36.Rb1 Rb1 37.Qb1 Qa3-+) 35...Ra3 36.Qb2 Ra2 37.Qb3 Qa3 (37...Ra1!? 38.Kh2-+) 38.Kg2 Qb3 (38...Ra1 39.Qa3 Ra3 40.c4 dc4 41.Rc4-+) 39.Rb3 b6 40.Kf1 (40.Bd1 Rc8 41.Rb6 g6-+) 40...Kf8 (40...Rc8 41.Rb6 h6 42.Rb3-+) 41.Be2 Ke7 (better 41...Rba8 42.Rb6 Rc2 43.Ba6-+) 42.c4 (42.Bd3 h6-+) 42...dc4 (42...Rc8 43.Rb6 dc4 44.Rb7 Kf8 45.Rb1-+) 43.Bc4 Ra4 44.Bb5 (44.Bd3 Rd4 45.Ke2 h6-+) 44...Rd4 45.Rc3 (45.Ke2 Rd6-+) 45...Rd5 (45...Rd2 46.Rc7 Kf6 47.Ke1-+) 46.Rb3 Rc5 (46...Rd2 47.Bd3-+) 47.Ke2 (47.Bd3 h5-+) 47...Rd8 48.Bd3 b5! 49.Rb5 (49.Rb5 Rc3 Combination; 49.Bb5 f5 Decoy) 49...Rb5 50.Bb5 f5 51.Ke3 Kf6 52.f3 (52.f4 e5-+) 52...e5 53.Ba4 (53.Be2 Ra8-+) 53...g6 (53...g5 54.hg5 Kg5 55.Ke2-+) 54.Bc6 h6 (54...Rb8 55.Ke2-+) 55.Bb7 (55.Bb5 Rb8 56.Bf1 Rb1-+) 55...Rb8 56.Bc6 (56.Ba6 Rb3 57.Kf2 e4 58.fe4 fe4-+) 56...Rb3 (56...Rb2 57.Bd7-+) 57.Kf2 g5 (57...Rb2 58.Kg1-+) 58.hg5 hg5 59.Bd5 (59.g4 Rc3 60.Bd5 Rc5-+) 59…Kg6 ½–½. Dauth,Benjamin (2320) – Matousek,Petr (2125), Open Olomouc CZE, 2007. (=1.e4 d5 2.e5 c5 3.b4 cb4 4.a3 Qa5)

    5.d4 Bf5 6.Bd3 Bd3 7.Qd3 e6 8.Ne2 Ne7 9.0-0 Ng6 10.f4 Be7 11.g4 Nd7 12.f5 Nh4 13.Be3 h5 14.fe6 fe6 15.Nf4 Nf8 16.Nh5 Kd7 (better is 16...Rg8!?=) 17.Nd2 ba3 18.Rf7 (18.Ng7?! Rc8 19.Nb3 Qb4+=) 18...Rh5 19.gh5 Ke8? (better is 19...Nf5 20.Ra3 Qc7+/-) 20.Re7! Ke7 21.Ra3 Qc7 22.Bg5 Kd7 23.Bh4 (23.Bh4 Ke8 24.c4+-) 1–0. Frink,Ferenc (2185) – Kovacs,Jozsef Robert (1905), Balatonlelle op–B, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    4.e5 b3

    5.cb3 Nc6 6.Bb2 Bf5 (6...Nh6 7.Nf3=) 7.Nf3 Bb1? (better 7...Nh6=) 8.Rb1 (8.Qb1 e6+-) 8...e6+- 9.Bd3 (9.b4 a6+-) 9...Nge7 10.0-0 (10.b4 Ng6+-) 10...Ng6 11.Rc1 Nh4 (11...Be7 12.b4+-) 12.b4 (12.Nh4 Qh4 13.b4 Be7+-) 12...Be7 (12...Nf3 13.Qf3 Be7 14.Qh5+-) 13.Nh4+- Bh4 14.Bb5 (14.b5 Na5+-) 14...Rc8 (14...0-0 15.Bc6 bc6 16.Rc6+-) 15.Qa4 Qd7 (15...0-0 16.Bc6 bc6 17.Qa7+-) 16.Bc6 (16.Bd3 Bg5 17.b5 Ne7+-) 16...bc6? (better 16...Rc6!? 17.Qa7 Rc1 18.Rc1 0-0+-) 17.b5+- Be7 18.Rc6 (18.bc6 Qc7+-) 18...Rc6 (18...0-0+-) 19.bc6 Qc7 20.Bd4 (20.Bc3!? 0-0 21.Rb1 d4 22.Bd4 Rc8+-) 20...0-0 21.Qa7 (21.Rc1 a5+-) 21...Qa7 22.Ba7 Ba3?? (better 22...Rc8 23.Rc1 Ba3+-) 23.Rb1 1–0. Rojano Cano,Francisco J (2105) – Canellas Magide,L (2045), 10th Santa Eulalia de Roncana Spain, Op, 2016. (=1.e4 d5 2.e5 c5 3.b4 cb4 4.a3 b3)

    5.cb3 Nc6 6.d4 Bf5 7.Nf3 e6 8.Be2 Bg4 (8...Bb1 9.Rb1 Ba3 10.Ba3 Qa5 11.b4 Qa3 12.0-0=) 9.0-0 Bf3 (9...Qb6 10.Be3=) 10.Bf3 (worse 10.gf3 Nge7 11.Be3 Nf5=+) 10...Nge7 11.Be3 Nf5 12.Nc3 Rc8 13.Ne2 (13.Qd3 Qd7=) 13...Be7 14.Bg4 0-0 (14...Ne3!? 15.fe3 Bg5=) 15.Bf5+= ef5 16.b4 Re8 17.Rc1 Qd7 18.Qd3 f6 19.f4 g6 20.Rc3 a5 21.b5 Na7 22.a4 Rc3 23.Qc3 Bb4 24.Qd3 Qe7 25.Rc1 Nc8 26.Qb3 (26.Bf2 Qe6+=) 26...Nb6= 27.Kh1 (27.Bf2 Bd2 28.Rc2 Qb4 29.Qb4 Bb4+=) 27...Qe6 (27...Nc4 28.Bf2=) 28.Ng1 (28.Nc3 Rc8=) 28...Nc4 29.Bf2 (29.Nf3 Kg7=) 29...g5 (better 29...Bd2 30.Rd1 Bf4-/+) 30.fg5= fe5 31.de5 Qe5 32.Nf3 Qf4 33.Rd1 (33.Qd1!? Qe4 34.Bd4=) 33...Re2=+ 34.Bg3 (34.Kg1 Qe4 35.h4 Rc2-/+) 34...Qe4-/+ 35.Qd3 Qd3 (35...Rd2 36.Qf1 Ra2 37.Bf2=+) 36.Rd3 Ne3?? (36...Nb6 37.h3=+) 37.h4?? (better 37.Ng1 Rg2 38.Re3+-) 37...Ng2 (37...Bc5 38.Bf4 Ng2 39.Rd5 Nf4 40.Rc5=) 38.Rd5+= f4 39.Nd4?? (better 39.Bh2 Ne1 40.Ne5+=) 39...Rd2-+ 40.Rd8 Kf7 41.Rd7 Kg6 (41...Ke8 A) 42.Rb7 fg3 (42...Rd4?! 43.Kg2 fg3 44.Rh7-+) 43.Rb8 Kd7 44.Rb7 Kc8 45.Rh7 Ne3 (45...Rd4?! 46.Kg2 Bd6 47.Rh8 Kd7 48.Kh3-+) 46.Rh8 Kd7 47.Nf3 Rd1 48.Ng1 Bd6 49.Rh7 Kc8 50.Rh8 Kb7 51.Rh7 Kb6 52.Rb7 Kb7 53.h5 g2; B) 42.Rh7 fg3 43.Nf5-+) 42.h5 (42.Nf3!? Rd7 43.Ne5 Kh5 44.Nd7 fg3 45.Kg2 Kh4 46.Nf6 Kg5 47.Ne4 Kg4 48.Ng3-+) 42...Kh5-+ 43.Bh2 f3 (better 43...Kg4 44.Rh7 Rd4-+) 44.Rh7= Kg4 45.Nf3 Kf3 46.Rf7 (46.Rb7 Rd1 47.Bg1 Bc5 48.Rh7 Kg3 49.Rh3 Kh3 50.g6 Rg1) 46...Kg4 (46...Ke4!? 47.g6 Ne3 48.Rf4 Kd3=) 47.g6= Nh4 48.g7 Rd1 49.Bg1 Rd8 50.Rb7 Nf5 51.Kg2 (51.Rf7 Kg5=+) 51...Rg8 52.b6 Rg7?? (better 52...Ng7 53.Rf7 Nf5-/+) 53.Rg7+- Ng7 54.b7 Bd6 (54...Nh5 55.b8Q Nf4 56.Kf1+-) 55.Bh2 Bh2 56.Kh2 1-0. Martinez Reyes,P (2425) - Perrine,Dalton (2245), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5)

    5.cb3= Nc6 6.Nf3 =.

    5.cb3 Bf5 6.Nf3 Nc6 7.b4 Bg4 8.d4 Qb6 9.Be3 e6 10.Nc3 Nh6 (10...Rc8 11.Na4 Qc7 12.Bb5=) 11.Na4+= Qd8 (11...Qc7 12.Bh6 Bf3 13.gf3 gh6 14.Bb5+=) 12.Be2 (better is 12.Bh6!? gh6 13.Bb5+/-) 12...Nf5= 13.0-0 Be7 14.Nc5 Bc5 15.bc5 0-0 16.Qd3 Rb8 17.Rfc1 Qa5 18.h3 Bf3 (18...Ne3 19.hg4 (19.Qe3?! Bf3 20.Bf3 Qa4=; 19.fe3?! Bf5 20.Qb5 Qc7=) 19...Nc4 20.Ng5+-) 19.Bf3 Qa6 20.Qd1 Qa5 21.Be2 Qd8 22.g4 (better is 22.Qd2!?=) 22...Ne3-/+ 23.fe3 Qh4 (23...f6!? 24.ef6 Qf6-/+) 24.Kg2+= f6 25.ef6 Rf6 26.Qe1 Qg5 27.Qg3 Qg6 28.Rc3 Rbf8 29.Bd3 Qf7 30.Rf1 0–1. Hamann,Carsten – Bohnsack,Ralf (2250), Schleswig Holstein–chA, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.cb3= Bf5 6.Nf3 d4 7.Bb5+= Nc6 8.Bb2 d3 9.Nd4 Qd7? 10.Qf3+- Bg4 11.e6 Bf3?? 12.ed7+- Kd7 13.Nf3 (13.gf3?! e6+-) 1–0. Beltran,Horacio – Brufman,Leandro, Pan American–ch, 1997.

    4.e5 Nc6

    5.Bb2 ba3 6.Na3 Bf5 7.Nf3 e6 (7...a6 8.Nd4 Bg6 9.Nc6 bc6 10.Bd3=) 8.Bb5 (8.Nb5 a6 9.Nbd4 Nd4 10.Nd4 Nh6=) 8...Nge7 9.0-0 a6 10.Ba4 b5 11.Nb5 (better is 11.Bb3!?+=) 11...ab5-/+ 12.Bb5 Bg4 13.h3 Rb8 14.c4 dc4 15.Bc6 Nc6 16.Qa4?? (better is 16.hg4 Rb2 17.Qa4-+) 16...Bf3 (16...Rb2?? 17.Qc6 Qd7 18.Ra8 Rb8 19.Rb8 Ke7 20.Qc5 Qd6 21.Qd6) 17.gf3 Qd5 (17...Rb2?? 18.Qc6 Qd7 19.Ra8 Rb8 20.Rb8 Ke7 21.Qc5 Qd6 22.Qd6) 18.Bc3 (18.Rab1 Be7-+) 18…Be7 0–1. Gruber,Dietmar – Pilaj,Herwig (2240), Jacques Lemans op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.Bb2 e6 6.ab4 Bb4 7.Qg4 Kf8 8.Nf3=+ Nh6 9.Qf4 Qb6 (9...Nf5 10.Bd3=+) 10.Nc3= Be7 11.Nb5 a6 (11...Nb4 12.Rc1=+) 12.Bc3 Rb8 (12...Bc5!? 13.d4 Be7+=) 13.Nd6+= Nf5 14.Nf5 (14.Bd3!? d4 15.Bf5 dc3 16.Bd3 cd2 17.Nd2 Bd6 18.ed6=) 14...ef5= 15.Bd3 (15.Be2=) 15...Rg8 (15...g5 16.Qe3 Qe3 17.fe3 Be6=) 16.h4+= (16.Bf5? g5 17.Qg4 h5-+) 16...g6 17.Qh6 (17.0-0 Rg7+=) 17...Rg7= 18.0-0 Be6 19.Rfb1 Qc7 (19...Qa7 20.Bb5=) 20.Nd4 Rc8 (20...Re8 21.Nc6 Qc6 22.Ra5=) 21.Rb3 (21.Qe3 Nd4 22.Qd4 Re8+=) 21...Kg8 (21...Ne5? 22.Ne6 fe6 23.Rb7 Qb7 24.Be5+-) 22.Nc6 Qc6 23.Bd4 b5 24.Qe3 Bh4 25.Rba3 Ra8 26.Bb6 Bc8 27.Rc3 Qe6 28.Bb5 f6 29.Bd4 Bg5?? (better 29...fe5 30.Qe5 Qe5 31.Be5 Rf7=) 30.f4+- fe5 31.Be5 (31.fg5?! ed4 32.Qd4 Bb7=) 31...Bh6 (31...Bd8 32.Bc6 Rga7 33.Bd5 Qd5 34.Rd3+-) 32.Bc6 Raa7?? (32...Rga7 33.Rb1 Bd7 34.Ba8 Ra8+-) 33.Bd5! Qd5 (33...Qd5 34.Rc8) 34.Rc8 (34.Rc8 Kf7 35.Qa7 Qb7 36.Qb7 Ke6 37.Ra6) 1–0. Damasceno,M De Almeida (2150) – Mariano,M Martins (2045), Regional Centro Oeste, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.Bb2 e6 6.ab4 Bb4 7.Qg4 Bf8 8.Nf3 Nh6 9.Qf4 Qb6-/+ 10.Bc1 Bc5-+ 11.Bd3 Bf2 12.Ke2 Bc5?? 13.Qg5 0-0-+ 14.Nc3 Be7 15.Qh5 f5 16.ef6 Bf6 17.Ra4? Qd8 18.Ba3 Qe8 19.Qe8-/+ Re8 20.Nb5 Rd8 21.g4 Nf7 22.Bc5 Bd7 23.Na7 Na7 24.Ra7 Ra7 25.Ba7 Ra8 26.Be3-/+ ½–½. Backman,Andreas – Elfstroem,J (2130), 34th Rilton Cup, Stockholm SWE, 2004.

    5.Bb2 e6 6.ab4 Bb4 7.Qg4 g6 8.Nf3 Qb6 9.Nc3 Bc5 (9...f5 10.Qf4=+) 10.Na4= Qb4 (10...Bf2? 11.Ke2 Qb4 12.Qb4 Nb4 13.Kf2 Nc2 14.Bb5 Kd8 15.Rab1+-) 11.Qg3 (11.Qb4 Bb4 12.Nc3 Bc3 13.Bc3 Bd7=) 11...Qe4 (11...Nge7!? 12.Bd3 Nf5=+) 12.Kd1= Bf8 13.Bd3 (13.Bb5 Qb4 14.Nd4 Qa5+-) 13...Qb4 14.Ke2 (14.Bc3 Qe7=) 14...Nh6=+ 15.Bc3 Qg4 (15...Qe7 16.Rhb1=+) 16.Qg4= Ng4 17.Bb5 (17.Rhb1 Rb8 18.h3=) 17...Bd7 (better 17...Rb8!?=) 18.Nb6+- Rd8 (18...Rb8 19.Nd7 Kd7 20.h3+-) 19.Nd7 Rd7 (19...Kd7 20.h3 Nh6 21.Ra7+-) 20.h3 Nh6 21.Nd4 Nd4 22.Bd4 a6 23.Bd7 Kd7 24.g4 Be7 25.Be3 (25.Rhb1 Kc8+-) 25...g5 26.f4 d4 (26...gf4!? 27.Bf4 Ng8+-) 27.Bd4 (27.fg5?! de3 28.gh6 ed2 29.Kd2 f6+-) 27...gf4 28.Rhb1 Kc7 (28...Kc8 29.Ra4+-) 29.Ra4 Rc8 30.Rc4 (30.Rb3 Kb8+-) 30...Kd8 31.Bb6 Kd7 32.Rc8 (32.Rf4 Bg5 33.Rd4 Ke8+-) 32...Kc8 33.Kf3 Bg5 34.Rb4 Ng8 (34...Kb8 35.Bf2+- (35.Rf4?! Bf4 36.Kf4 Kc8+=)) 35.Rc4 (35.Rf4?! Bf4 36.Kf4 Kd7+=) 35...Kb8 36.Bf2 (36.Bc5 Nh6 37.Bd6 Ka7+-) 36...f5? (better 36...Ne7+-) 37.gf5 ef5 38.h4 (38.Bc5 Be7 39.Bd6 Ka7 40.Kf4 a5+-) 38...Bh6 (38...Bd8+-) 39.Bc5 b5 (39...Kc7+-) 40.Bd6 Kb7 41.Rc7 Kb6 42.Rc8 1–0. Martin Ojeda,Juan Manuel (2225) – Hernandez Cid,Cesar (2185), TCh Barcelona ESP, 2000. (=1.e4 d5 2.e5 c5 3.b4 cb4 4.a3 Nc6)

    5.Bb2 Bf5 6.Nf3 e6-/+ 7.Bb5 Qb6 8.Ba4 ba3 9.Ba3 Ba3 10.Ra3 Nge7 11.0-0 0-0 12.Nc3 Bg4-+ 13.h3 Bf3 14.Qf3 Ne5 15.Qg3 Qd6 16.Nb5 Qb8 17.Rc3 Nf5 18.Qh2 d4 19.Rc7 Nc6 20.Rb1 e5 21.g4 Nh4 22.Qg3 a6 23.Rc6 bc6 24.Na3 Qd6 25.Qh4 Qa3 26.Bc6 Rab8 27.Re1 Qd6 28.Be4 g6 29.Qh6 Qf6 30.Bd3 a5 31.g5 Qf3 32.Be4 Qf4 33.Bd3 f6 34.Bg6 Qg5 35.Qg5 fg5 36.Be4 Kg7 37.c4 dc3! 38.dc3 Rfc8 39.Ra1 Rc5 40.Kg2 Rbc8 41.f3 R8c7 42.c4 Ra7 43.Ra4 Ra6 44.Kf2 Rb6 45.Ra2 Rd6 46.Ke3 Rd4 47.Bd5 Kf6 48.Rb2 Rdd5 49.cd5 Rd5 50.Rb6 Kf5 51.Rh6 a4 52.Rh7 Ra5 53.Rf7 Ke6 54.Rc7 a3 55.Rc1 a2 56.Ra1 Kf5 57.Ke2 Kf4 58.Kf2 Ra8 0–1. Klaman,Konstantin – Aronin,Lev Solomonovich, URS–ch15 Leningrad, 1947.

    5.ab4 Qb6 6.Nf3 Bg4 7.e6 Be6 8.b5 Nd4 -/+.

    5.ab4 e6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Qc7 9.f4 Nge7 10.Nf3 h5 11.0-0 Nf5 12.Qe1 Na5 13.Bb5 Nc6 (13...Bd7 14.Bd3+=) 14.Na3 a6 15.Bd3 Rb8 16.Kh1 Be7 17.Nc2 Na5 18.Ne3 (18.Bf5!? ef5 19.Ne3=) 18...Ne3+= 19.Be3 Nc4 20.Bc1 g6 21.Ng5 Rg8 22.Nh7 Rh8 23.Nf6 Bf6 24.ef6 Bd7 (better is 24...Ra8=) 25.f5+- gf5 26.Bf4 Qc8 (26...Qd8 27.Bc4 dc4 28.Qg3+-) 27.Bc4 dc4 28.Qg3 (28.Qg3 Ra8 29.Qg7+-; 28.Bb8?! Qb8 29.Rf5 Qd6+-) 1–0. Anchondo,Francisco (2020) – Cohen,John (1895), Western States op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.Bb5 Qa5 6.Bc6 bc6 7.Nf3 -/+.

    5.Bb5 Qb6 6.Bc6 bc6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 Qd4 10.e6 Qe5 11.Kd1 Qe6 12.ab4 Qf6 13.Qc3 Qc3 14.Nc3 d4 15.Ne2 e5-/+ 16.Re1 Kd7 17.c3 dc3 18.dc3=+ Bd6 19.Ng3 Nf6 20.Kc2 Nd5 21.Ba3 Kc7 22.Ne4 Be7 23.Ng3=+ f6 24.Nf5 Bf8 25.Kb3 g6 26.Ng3 Rb8 27.Bc1 Rb7 28.Be3 Kb8 29.Ne4=+ Ne3 30.Re3-/+ f5 31.Nd2 e4 32.g3? c5-+ 33.Ra4 cb4 34.cb4 a5! 35.b5 Rb5 36.Kc2 Bb4 37.Rb3 Rc5 38.Kb1 Rhc8 39.Rb2 Rc1 40.Ka2 R8c2 41.Nb3 Rb2 42.Kb2 Rf1 43.Na5 Rf2 44.Kc1 Ba5 45.Ra5 Rf3 46.g4 Rh3 47.gf5 Rh5 48.Re5 0–1. Lengwenus,B – Michna,Christian, Hamburg–chJ–B, 1989.

    5.Bb5 Bd7 6.Nf3 (6.Bc6 bc6 7.ab4+=) 6...a6 (6...Ne5 7.Bd7 Nd7 8.ab4-/+) 7.Ba4 (better is 7.Bc6!? Bc6 8.ab4=) 7...b5 8.Bb3 Bg4 9.Bb2 e6 (9...ba3 10.Na3 e6 11.h3-/+) 10.0-0 (10.a4 ba4 11.Ba4 Qc7-/+) 10...Nge7 11.Re1 (11.a4 Qb8-/+) 11...Qc7 (11...Ng6 12.h3 Bf3 13.Qf3-/+) 12.ab4 (12.a4 ba4 13.Ba4 Nc8-/+) 12...Nb4 13.Nc3 (13.Na3 Rc8-/+) 13...Rc8 14.d4 (14.h3 Bh5-/+) 14...Nec6 (14...Nf5 15.Qd2-+) 15.Re3-/+ Qb6 16.Ne2 Na5 17.c3 Nb3 18.Qb3 Nc6 19.Qa2 Ra8 20.Nf4 Be7 21.h3 Bf3 22.Rf3 0-0 23.Rg3 a5 24.Nh5 g6 25.Qb1 Kh8 26.Nf4 Rg8 ½–½. Strasser,Melisa – Celi,Andrea, Pan American–ch U12 Girls, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.Nf3 ba3 6.Ba3 Bg4 7.Bb5 a6 8.Bc6 bc6 9.h3 Bc8 10.0-0 Nh6 11.Nd4 Qc7 12.Re1 c5 13.Nf3 Nf5 14.c3 Bd7 15.Ng5 e6 16.d3 Be7 17.f4 Bb5 18.Bc1 0-0 19.Nh7? Kh7 20.Qg4 Bd3 21.Nd2 c4 22.Nf3 Qb6 23.Kh2 Kg8 24.Bd2 Qb2 25.Rg1 Bc5 26.Rgd1 Be3 27.Re1 Bd2 28.Nd2 Qd2 29.Red1 Qc3 30.Qf3 f6 31.Rac1 Qb2 32.Re1 fe5 33.fe5 Nh4 34.Qg3 Rf2 35.Rg1 Nf5 36.Qg6 Qe5 37.Kh1 Ng3 38.Kh2 Nf1 (38...Nf1 39.Kh1 Qh2) 0–1. Witt,Monika (1605) – Wegelin,Reinhard (2480), remoteschach.de, 2006.

    5.Nf3 Bf5 6.d4 e6 7.Bd3 Bd3 8.Qd3 ba3 (8...Qa5 9.Qb3-/+) 9.Na3 (9.Ba3 Qa5 10.Qd2 Ba3 11.Na3 Qd2 12.Kd2 Kd7+=) 9...Bb4 (9...a6 10.c3-/+) 10.c3 Ba5 (10...Be7 11.Nc2+=) 11.0-0 (11.Nb5 Bc7 12.Ng5 h6 13.Nc7 Qc7-/+) 11...h6 (11...a6!?-/+) 12.Nb5 Bc7 13.Ba3 a6 14.Nd6 Bd6 15.Bd6 Nge7 16.Rfb1 Qd7 (16...b5 17.Ne1+=) 17.c4 dc4 18.Qc4 b5?? (better is 18...0-0-/+) 19.Rb5+= Rc8 (19...0-0 20.Rc5+=) 20.Ra6 (better is 20.Rc5+/-) 20...Na7? (20...Nd4 21.Rc5 Ndc6 22.Nd4 Nd4 23.Ra7 (23.Qd4?! 0-0=) 23...Rc5 24.Qc5 Qa7 25.Qa7+-) 21.Rb8?? 0-0+= 22.Rc8 Rc8 23.Bc5 Qb7 24.Qa2 Nac6 25.Nd2?? Nd5 26.g3?? Ndb4 27.Rb6?? Qb6 28.Bb6 Na2 29.Kg2 Nc3 30.f4 Nd5 31.Bc5 Nd4! 32.Ne4 Nb3 33.Ba3 Rc2 34.Kf3 Nd4 35.Kg4 Ne3 (35...Ne3 36.Kh3 Nf3 37.Nf6 gf6 38.g4 Ng1 39.Kg3 Nf1 40.Kh4 Rh2) 0–1. Jakob,Daniel – Masfelder,David, Heimbach Weis op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.f4 ba3 6.Nf3 A) 6...h6 7.Be2 (7.Ba3 g5 8.d4 Bg4 9.fg5 Bf3 10.Qf3; 7.Na3 Bg4 8.Bb2 e6 9.h3 Bf3 10.Qf3) 7...Bf5 8.Ba3 g5 9.fg5 hg5 10.Ng5; B) 6...a2 7.Ra2 Nh6 8.Ba3 Bf5 9.Rb2 Qd7 10.Be2; C) 6...Bf5 7.Ba3 Nh6 8.Be2 Qb6 9.Nc3 Ng4 10.Qb1; D) 6...a6 7.Ba3 (7.Be2 d4 8.Ba3 Nh6 9.0-0 Bf5 10.Bc5) 7...b5 8.Bc5 Bg4 9.Be2 Bf3 10.Bf3; E) 6...Nh6 7.Ba3 a6 8.Be2 Bf5 9.0-0 d4 10.Bc5; F) 6...Bg4 7.Ba3 Qc8 8.Bd3 Nd4 9.Nc3 Bf3 10.gf3.

    5.f4 Qa5 A) 6.Nf3 A1) 6...Bg4 7.Be2 (7.Bb2 Qa4 8.Be2 e6 9.0-0 ba3 10.Na3; 7.h3 Bf5 8.g4 Be4 9.Bg2 e6 10.d3; 7.Bd3 e6 8.h3 Bf3 9.Qf3 Nd4 10.Qd1; 7.Ra2 e6 8.Be2 Bc5 9.c3 bc3 10.Nc3) 7...e6 8.c3 Rc8 9.0-0 Bf5 10.cb4; A2) 6...Bf5 7.Nh4 Bd7 8.Nf3 Qa4 9.Be2 Bf5 10.d3; B) 6.Ne2-/+ Nh6 7.Bb2 Qb6 8.h3 Bf5 9.g4 Be4 10.Rh2.

    5.f4 Qb6 A) 6.c3 bc3 (6...b3 7.Bb2 Bf5 8.Nf3 Rc8 9.c4 Bc2 10.Qc1) 7.Nc3 d4 8.Rb1 Qc7 9.Nd5 Qa5 10.Rb5; B) 6.Nf3 Bg4 (6...Bf5 7.ab4 Nb4 8.Na3 e6 9.Bb5 Nc6 10.Rb1) 7.Bb2 (7.Bd3 e6 8.h3 Bf3 9.Qf3 b3 10.cb3; 7.c3 b3 8.Bb2 e6 9.d4 Nge7 10.Nbd2; 7.Ra2 e6 8.Rb2 Qc7 9.ab4 Bb4 10.Bb5) 7...e6 8.h3 Bf5 9.a4 Qc5 10.c3.

    5.f4 e6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Be2 0-0 10.Nf3 Bd7 11.0-0 Nf5 12.Bd3 Bb6 13.Kh1 f6 14.g4 Nfe7 15.Ra2 Be8 16.Ba3 Bg6 17.f5 ef5 18.gf5 Bh5 19.Qe1 fe5 20.Ne5 Ne5 21.de5 Rf7 22.e6 Rf6 23.Qh4 Be8 24.Rg2 Ng6 25.fg6?? (better is 25.Qg3+/-) 25...Rf1-+ 26.Bf1 Qh4 (26...Qh4 27.gh7 Qh7-+) 0–1. Chernyshev,AV – Anisimov,Veniamin Vasilievic, RUS–chT3 sf2 B6 corr, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.f4 e6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5 10.Ne2 h5 11.0-0 Bd7 12.Ng3? (12.Bf5 ef5 13.Qb3 Bc8=) 12...g6 (better is 12...Ng3!? 13.hg3 Qb6-/+) 13.Bf5 ef5 14.Qb3 h4 15.Nh1 Bc8 16.Nf2 0-0 17.Nd2 Na5 18.Qd1 Be6 19.Nf3 Kg7 20.Nh3 Rc8 21.Qe1 Rh8 22.Ba3 Ba3 23.Ra3 b6 24.Nhg5 Qe7 25.Ra2 Bd7 26.Nh4 Bb5 27.Rf3 Bc4 28.Ra1 Nb3 29.Qg3 Rh4 (29...Na1 30.Nf5 Kf8 31.Ne7 Ke7 32.f5 gf5 33.Rf5+-) 30.Qh4 Rh8 31.Qe1 Na1 32.Qa1 f6 33.ef6 Kf6 34.Qc1 Re8 35.Rh3 Qe1 36.Qe1 Re1 37.Kf2 Re2 38.Kf3 Re7 39.Rh8 a5 40.Rb8 b5 41.Rb6 Kg7 42.Ne6 Kf7 43.Nd8 Ke8 (better is 43...Kg7!?=) 44.Nc6+/- Re1 45.Na5 Rc1 46.Nc4 bc4 47.Rd6 (47.Re6!? Kf7 48.Re3+=) 47...Rc3= 48.Ke2 Rc2 49.Kf3 Rc3 ½–½. Yche,M (1945) – Salles,L (2145), Avoine FRA, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    5.f4 e6 6.Nf3 d4 7.Bd3 Bd7 8.0-0 ba3 9.Ba3 Nb4 10.Be4 Qb6 11.Kh1 f5 12.ef6 Nf6 13.Bd3 Bc5 14.Ne5 Nd3 15.Nd3 Ba3 16.Na3 Rc8 17.Ne5 0-0 18.Nac4 Qc5-/+ 19.Nd7 Nd7 20.d3 b5-+ 21.Na3 Nb6 22.Nb5? Qb5 23.Ra7 Qf5 0–1. Morcom,H (2030) – Tan,H (2120), Open Guernsey GCI, 2004.

    5.ab4 Ne5

    6.Bb2 Nc4 7.Bd4 a6 8.Bd3 Nh6 -/+.

    6.Bb2 Nd7 7.c4 dc4-/+ 8.Na3 Ngf6 9.Nc4 e6 10.Qb3 Be7 11.Nf3 0-0 12.Ne3 Qb6 13.b5 Nc5 14.Qc2 Bd7 (14...a5 15.d4 Ncd7 16.Bd3-/+) 15.Ng5 (better is 15.Bf6!? Bf6 16.d4+=) 15...Rfc8-/+ 16.Nc4 Qb5 17.Bf6 Bf6 18.Qh7 Kf8 19.Rb1 Nb3?? (19...Qc6 20.Nf3-/+) 20.Nf7 (better is 20.Ne4=) 20...Rc4-/+ 21.Bc4 Qc4 22.Nd6 Qd5 23.0-0 Rd8 24.Ne4 Bc6 25.f3 Nd2 26.Nf6 Qd4 27.Kh1 Qf6 28.Rbd1 Rd5 29.Rfe1 Qh6 30.Qh6 gh6 31.Re6 a5 32.Rh6 a4 33.h4 Nb3 34.Re1 a3 35.Rh8 Kg7 36.Ra8 Ra5 37.Rc8?? a2 38.Rc7 Kf6 39.Rce7 a1Q 40.R7e6 Kf5 41.g4 Kf4 42.Rf6 Kg3 (42...Kg3 43.Rfe6 Bf3 44.Kg1 Qd4 45.R6e3 Ra1 46.Ra1 Qe3 47.Kf1 Nd2) 0–1. Hess,Ralf (2355) – Legde,Georg (2255), Oberliga Ost–B, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.ab4 Ne5)

    6.Bb2 Nd7 7.c4 dc4-/+ 8.Bc4 Ngf6 9.Nf3 e6 10.0-0 (10.Qb3 Be7-/+) 10...Nb6 (10...Bb4 11.Qb3 a5 12.Bc3 Bc3 13.Nc3-+) 11.Bb3 (11.Qb3!?-/+) 11...Bb4-+ 12.Ne5 0-0 13.Qf3 Bd6 (13...Bd2 14.Rd1+/-) 14.Re1 Nbd7 15.d4 Nb6 16.Nd2 Bb4 17.Red1 Nbd5 18.Bc2 Bd7 19.Ne4 Bc6 (19...Bb5!? 20.Rdc1-+) 20.Nc6-/+ bc6 21.Nc5 (21.Ra6!?-/+) 21...a5-+ 22.Ba4 Qd6 23.Rac1 Rac8 24.Nd3 Rc7 25.Ne5 c5 26.g4 cd4-+ 27.Rc7 Qc7 28.Bd4 Bd6 29.Nd3 Rd8 30.Rc1 Qb8 31.g5 Nd7 32.h4 Ne5 33.Be5 Be5 34.Bc2 g6 35.Bb1 a4 36.Kg2 Bd4 37.Rc4 Nc3 38.Bc2 a3 39.Nb4 a2 40.Nc6 Qa8 41.Rd4 Re8?? 42.Rd7= Rf8 43.Qc3?? a1Q-+ 44.Qf3 Q8a3 45.Bb3 Qa6 46.Kh2 Qa8 47.Bc2 Q8a3 48.Bb3 Q1b2 49.Rb7 Qd6 50.Kg2 Qg7 51.Bc2 Qc5 52.Be4 Qgc3 53.Qf4 Q5a3 54.Bf3 Qac1 55.Qd6 Qc5 56.Qg3 Qd2 57.Be4 Qcd6 0–1. Kadas,Gabor (2270) – Szabo,Zsolt Jozsef (2450), HUN–chT2, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.ab4 Ne5)

    6.Bb2 Nd7 7.c4 dc4-/+ 8.Bc4 Ngf6 9.Nf3 e6 10.0-0 Be7 11.Qb3 Nb6 12.d3 0-0 13.Nbd2 Bd7 14.Ne5 Be8 (14...Nfd5 15.b5-/+) 15.Ndf3 (15.Ne4 Ne4 16.de4 Qd6-/+) 15...Nbd7 (15...Nfd5 16.Bd4-/+) 16.Rfe1 (16.b5 Qb6=+) 16...Ne5 17.Ne5? (better 17.Re5!? a6 18.b5-/+) 17...b5-+ 18.Be6 fe6 19.Qe6 Bf7 20.Qa6 Bd5 (20...Bb4?! 21.Nc6 Qd3 22.Nb4=) 21.Qb5 (21.Ba3 Qb8 22.Nc6 Bc6 23.Qc6 Bd6-+) 21...Rb8 22.Qa6 Bb4 23.Re2 (23.Reb1 Nd7 24.Nd7 Qg5-+) 23...Bc5 (better 23...Nh5 24.g3 Rb6-+) 24.Rc1? (24.Ba3 Ba3 25.Qa3 Nh5-+) 24...Bb6 (24...Nd7 25.Rc5 Nc5 26.Qa1-+) 25.Qa1? (25.Nc6 Bc6 26.Rc6 Kh8 27.Bf6 Rf6 28.Rf6 Qf6-+ (worse 28...gf6 29.Qa1-+)) 25...Rc8 (25...Nh5!? 26.g3 Qg5 27.d4-+) 26.Rce1 (26.Rc8 Qc8 27.Ba3 Re8-+) 26...Ba8 (26...Nh5 27.g3-+) 27.Kh1 (27.Qa2 Qd5 28.Qd5 Bd5-+) 27...Qd5 (27...Nh5 28.f3 Nf4 29.Nd7 Ne2 30.Nf8 Bf3 31.gf3 Qd3 32.Rf1-+) 28.f3 Rc7 29.Nc4 Bc5 30.Qa5 Rd7 (better 30...Rfc8 31.Bf6 gf6-+) 31.Re5?? (better 31.h3 Bb6 32.Qa2-+) 31...Qf3! 32.Rg5 (32.gf3 Bf3) 32...Qf2 (32...Ng4 33.Ne3 (33.gf3?? Bf3) 33...Nf2 34.Kg1 Qe3 35.Rg7 Rg7 36.Qa2 Rff7 37.Qf7 Rf7 38.Bc3 Nd3 39.Kh1 Ne1 40.Be1 Qe1) 33.Ne5 (33.Bf6 Rf6 (33...Qf6?! 34.Qc5 Rd3 35.Kg1-+) 34.Qa1 Re7-+) 33...Bb6 (33...Ne4 34.Qa2 Kh8 35.Ng6 hg6 36.Bg7 Rg7 37.Rh5 gh5 38.Qf2 Nf2 39.Kg1 Rg2 40.Kf1 Nd3) 34.Qa1 Rd5 (34...Re7 35.Rf1 Qe2 36.Re1-+) 35.Rf1 Qd2 (35...Qe2 36.Re1 Qd2 37.Qc1 Qc1 38.Bc1-+) 36.Rg3 Ra5 37.Qb1 (37.Ba3 Bc7 38.d4 Rd8-+) 37...Rb5 38.Nc4 (38.Qa2 Bd5 39.Nc4 Qe2-+) 38...Qe2 39.Qa1 (39.Qe1 Qe1 40.Re1 Bf2-+) 39...Bf2 (39...Nh5 40.Rg7 Ng7 41.Rf8 Kf8 42.Qa3 Bc5 43.Qc5 Rc5 44.Bg7 Kg7 45.Ne3 Rc1 46.Nf1 Rf1) 40.Rf2 Qf2 41.Bd4 Qe2 42.h3 (42.Qa7 Qd1 43.Bg1 Nh5 44.Rg7 Ng7-+) 42…Nh5 (42...Nh5 43.Rg4 Rf1 44.Kh2 Ra1 45.Ba1 Rb1 46.Bg7 Qf1 47.Bf6 Kf7 48.Nd6 Ke6 49.Re4 Be4 50.de4 Qg1) 0–1. Sevo,Igor (2235) – Medancic,Rikard (2250), 16. Open B Zadar CRO, 2009. (=1.e4 d5 2.e5 c5 3.b4 cb4 4.a3 Nc6 5.ab4 Ne5)

    6.Bb2 Nd7 7.Nf3 Ngf6 +=.

    6.Bb2 Ng4 7.h3 N4f6 8.Nf3 e6 9.c4 dc4 10.Bc4 Bd7 11.Ne5 Nd5 (11...Bb4 12.Qb3 a5 13.Qg3-+) 12.Nc3 (12.Bd5 ed5 13.0-0 a6= (13...Bb4? 14.Nd7 f6 15.Re1 Be7 16.Qg4+-)) 12...Ngf6 (better is 12...Nb4!? 13.Qh5 Qe7-/+) 13.Nd7= Kd7 (13...Qd7?? 14.Bb5 Nb4 15.Bd7 Nd7 16.0-0+-) 14.Nd5 Nd5 15.Bd5 ed5 16.Qg4 Kc7? (better is 16...Ke8+=) 17.Rc1 Kd6 18.0-0 (18.Bg7?! Bg7 19.Qg7 Re8 20.Kd1 Qe7 21.Qh6 f6=) 18...f6 (18...Qd7 19.Qg3 Ke7+-) 19.Rfe1 (19.Rfe1 Qe8 20.Qg3 Qe5 21.Be5 Ke7 22.Rc7 Kd8 23.Qg4 f5 24.Qf5 Bb4 25.Qd7) 1–0. Kadas,Gabor (2205) – Hibjan,Tamas (2095), Nyiregyhaza op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.ab4 Ne5)

    6.d4 Nd7 7.Nf3 Ngf6 (7...e6 8.Bd2 Ngf6=+) 8.Bd3 (8.Bf4 e6=+) 8...e6 9.c3 a6 10.0-0 Be7 11.Ne5 Nb6 12.Nd2 (12.Qf3 0-0=+) 12...Bd7 13.Qe2 Na4 14.Nb1 Rc8 15.b5 (15.Ra3 0-0=+) 15...ab5 16.Bg5 Nb6 17.Ra7 Bc6 18.Nd2 Nc4 19.Ndf3 0-0 20.Rfa1 Nd6 21.h4 Nfe4 22.Be7 Qe7 23.Nc6 Rc6-+ 24.Ng5 Ng5 25.hg5 Qg5 26.Bb5 Rc3 27.Bd3 Rc1 28.Rc1 Qc1 (28...Qc1 29.Qf1 Rc8-+) 0–1. De Agustin,Manuel – San Segundo,Pablo, Ch Spain Torrevieja (Spain), 1997.

    6.d4 Ng6 7.c3 Nf6 8.Bd3 e6 9.Bg6 hg6 10.Ne2 Qb6 11.Nd2 Bd7 12.Nb3 Bb5 13.Nc5 Bd6 14.Ng3 (14.Bg5 Qc7-+) 14...Qc7-+ 15.Qf3 b6 16.Nb3 Rh4 17.Bg5 Bg3 18.Bh4 (18.fg3 Re4 19.Kd2 Be2-+) 18...Bh4 19.Nd2 Ne4! (19...Ne4 20.g3 Be7 21.Ne4 de4-+) 0–1. Lehmann,Harald – Jacobs,Rudolf, DESC, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.ab4 Ne5)

    6.d4 Ng6 7.Nf3 Qb6 8.c3 Bf5 =+.

    6.d4 Ng6 7.h4 e6 8.h5 N6e7 9.Nf3 Nf5 10.c3 Nd6 11.Ne5 Bd7 12.Ra5 h6 13.Bf4 b6 14.Ra2 Nf6 15.Ba6 Be7 16.0-0 0-0 17.Qe2 Qc7 18.Rc1 Bc8 19.Bd3 Bb7 20.b5 Rfc8 21.Ra4 Nde4 22.Bh2 Qd8 23.Rc2 Bf8 24.f3 Nd6 25.g4 Nd7 26.Ng6 Nc4 27.Nf8 Nf8 28.Rca2 Na5 29.Kg2 Nd7 30.Bg3 Qe7 31.Kh3 Nf6 32.Bh4 Qf8 33.Bf6 gf6 34.f4 Kh8 35.Qf3 Qg7 36.Rg2 Rc7 37.Qg3 a6 38.f5 e5 39.ba6 Ba6 40.Ba6 Ra6 41.Qd3 Ra8 42.Qb5 Rac8 43.Qd5 Nc4 44.Qe4 Qg5 45.Re2 b5 46.Ra6 Kg7 47.Raa2 Rd8 48.Re1 b4! 49.Rc2 Rcc8 50.d5 b3 51.Rcc1 Nb6 52.Rcd1 Rc4 53.Qe2 Ra4 54.c4 Rc4 55.d6 Rdc8 56.d7 Rd8 57.Rf1 Rc2 58.Qf3 b2 59.Rfe1 Rc1 60.Qe2 Rd7 61.Rd7 Nd7 62.Rf1 e4! 0–1. Stuempfig,Horst (2380) – Ziebarth,Susanne (1810), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    6.Nf3 Nd7 7.c4 dc4 8.Bc4 e6 Secures d5 9.Bb2 Ngf6 (9...Bb4?? the pawn of course cannot be captured 10.Bg7 Qc7 11.Qb3+- (11.Bh8?! is a bad alternative 11...Qc4 12.Na3 Qe4 13.Qe2 Qe2 14.Ke2 a5+=)) 10.Qb3 Be7 11.0-0 0-0 12.d3 (12.Nc3 a6=) 12...Nb6 13.Nbd2 Nfd5 14.b5 a5 15.ba6 ba6 16.Ne5 (16.Rfb1 a5+=) 16...Bb7 17.Bd4 Nc4 18.Qb7?? (better is 18.dc4 this is the best way to fight back 18...Nb4 19.Nef3-/+) 18...Nd2-+ 19.Nc6 Qc8 20.Ne7-/+ Ne7 21.Qe7 Qd8 22.Bc5? Qe7 23.Be7-/+ Nf1 24.Bf8 Nh2 25.Bc5 Ng4-/+ 26.Kf1 Nf6 27.f4 g6 28.Ke2 Nd5 29.g3 a5 30.Kf3 a4 31.Ke4 f6 32.g4 Ra6 33.d4 h5 34.gh5 gh5 35.f5 Kf7 36.fe6 Ke6 37.Kd3 Kd7 38.Kc4 Kc6 39.Ra3?? Nb6 40.Kd3 f5 0–1. Kadas,Gabor (2305) – Zetocha,Claudiu (2390), HUN–chT2, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.Nf3 Nf3 7.Qf3 Nf6 8.Be2 +=.

    5.Nf3 Bg4

    6.ab4 Qb6 7.c3 Ne5! 8.Be2 (8.Ne5 Bd1) 8...Nf3 9.Bf3 Bf3 10.Qf3 Qe6 11.Kd1 Nf6 12.Re1 Qc6 13.Na3 e6 14.Nc2 Be7 15.Ba3 0-0 16.b5 Qd7 17.Be7 Qe7 18.Nd4 Ne4 19.Qe2 Qc5 20.f4 Qd6 21.Qf3 a6 22.Rb1 ab5 23.Nb5 Qc5 24.Re3? (better is 24.Qe3-+) 24...Ra2 25.Re2 Qg1 (25...Qg1 26.Re1 Rd2 27.Kc1 Qe1 28.Qd1 Qd1) 0–1. Stirling,Nathan (2115) – Skiotis,Pano (2170), Victoria–ch Reserves, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.ab4 e6 7.Bb5 Qb6 8.Bc6 Qc6 9.c3 d4 10.0-0 Bf3 11.Qf3 Qf3 12.gf3 Ne7 13.Na3 Nc6 14.Re1 a6 15.Bb2 0-0-0 16.b5 Ba3 17.Ba3 ab5 18.Bd6 f6 19.f4 Rhg8 20.Kf1 dc3 21.dc3 g5 22.Red1 fe5 23.fe5 Kd7 24.Rab1 Ra8 25.Rb5 Kc8 26.Ke2 h6 27.Ke3 Rg7 28.Rg1 ½–½. Serfling,Rainer (2360) – Mettler,Horst (2385), RSS7E pro–16, 2004.

    6.ab4=+ e6 7.Bb5 Qc7 8.Bb2 Bb4 9.Ra4 a5 10.0-0 Nh6 11.c3 Be7 12.d4 0-0 13.Bc1 f6 14.ef6 Rf6-/+ 15.Nbd2 Na7 16.Qb3 Bf3 17.Nf3 Ng4 18.Ne5-/+ Ne5 19.de5 Qe5 20.Ra5 Bc5 21.Bd3 Bf2-+ 22.Rf2?? Qe1 23.Rf1 Rf1 24.Bf1 Rf8 (24...Rf8 25.Bf4 Rf4 26.Qc4 Qf2 27.Kh1 Qf1 28.Qf1 Rf1) 0–1. Ambrus,Endre (2230) – Kustar,Sandor (2405), Szeged TT06 IM, 1998.

    6.ab4 e6 7.d4 Bb4-/+ 8.c3 Be7 (8...Ba5 9.Bd3-/+) 9.Nbd2 (9.Bd3 Nh6+=) 9...Nh6 10.h3 Bh5 11.Nb3 (11.Bb5 Qb6 12.Qa4 0-0+=) 11...Bf3 (11...0-0 12.Bd3-/+) 12.Qf3+= Qb6 (12...Nf5 13.Bd3+=) 13.Rb1 Na5 (13...a5 14.Bd3 a4 15.Bh6 gh6 16.Nc5=) 14.Bh6= gh6 15.Nd2 Qc7 16.Bb5 Nc6 17.0-0 a6 18.Bd3 b5 (18...a5 19.Bb5=) 19.Ra1 Na5 (19...b4 20.cb4 (worse is 20.Ra6 Ra6 21.Ba6 Qb6+=) 20...Nd4 21.Qe3+=) 20.Rfb1 Nc4 (20...Bg5 21.Nb3 Nb3 22.Rb3+=) 21.Nf1 (21.Nc4 bc4 22.Bc2 0-0+/-) 21...Qd7 (21...0-0 22.Bc4 Qc4 23.Ne3=) 22.Ra2 (22.Bc4 bc4 23.Ne3 a5+/-) 22...Rg8 (22...0-0 23.Qh5+/-) 23.Ng3 (23.Ne3!? Ra7+-) 23...Rg6 24.Nh5 Bg5 (24...Qc6!?+/-) 25.Bg6 hg6 26.Nf6 Bf6 27.Qf6 (worse is 27.ef6 a5+/-) 27...Qe7 (27...Qc6 28.Qh8 Ke7 29.Qh6+-) 28.Rb5 (28.Qh8 Qf8 29.Qf8 Kf8 30.Rb5 a5+-) 28...Qf6 29.ef6 a5 30.Ra4 Kf8 (30...Ra7 31.g3+-) 31.h4 (31.Kh2 Ke8+-) 31...h5 (31...Ke8 32.g4+-) 32.f3 Kg8 1–0. Martinez,Julian (2195) – Pico Caicedo,Ruben Dario (1885), Santander COL, Departamental Ch, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.e5+= Nc6)

    6.Bb5 Qa5 7.h3 Qb5 8.hg4 -+.

    6.Bb5 a6 7.Bc6 bc6 8.ab4 e6 9.c3 Ne7 10.h3 Bf3 11.Qf3 Ng6 12.d4 Be7 13.0-0 0-0 14.Qd3 Exerts pressure on the isolated pawn 14...a5 15.ba5 Ra5 16.Ra5 Qa5 17.Nd2 c5 18.Nb3 Qc7 19.c4 cd4 20.cd5 ed5 21.Qd4 (21.f4!?=+) 21...Qe5-/+ 22.Qa7 (22.Rd1 Rd8-/+) 22...Bg5 23.Ba3 Re8 24.Nc5 h6 25.Nd7 Qc3 26.Bc5 Re1 27.Re1 Qe1 28.Kh2 Nh4?? (better 28...Kh7!?-/+) 29.Qb8 (29.Qa8!? Kh7 30.Nf8 Kg8 31.Ne6 Kh7 32.Ng5 hg5 33.Qd5+=) 29...Kh7= 30.Nf8 Kg8 31.Ng6 Kh7 32.Nf8 Kg8 33.Ng6 Kh7 34.Nf8 ½-½. Rahnama,Matin (1750) - Desarmaux_Do,Yanis_Huy (1800), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.Bb5 e6 7.ab4 Bb4 8.c3 Be7 9.Qa4 Bf3 10.Bc6 bc6 11.Qc6 Kf8 12.gf3 Nh6 13.d4 Nf5 14.Ba3 Ba3 15.Ra3 g6 16.Ke2 Kg7 17.Ra6 Rc8 (17...Qb8!? 18.Nd2 Rc8+=) 18.Qa4= Rc4 19.Qa3 Qc8 20.Rd1 Rc7 21.Ra7 Ra7 22.Qa7 Qc4 23.Rd3 Rc8 24.h4 (24.Nd2!? Qb5 25.Qa1=) 24...Qb5 25.Nd2?? Rc3-+ (25...Rc3 26.Qa1 Qd3 27.Ke1 Nd4 28.Qd1 Rc1 29.Qc1 Qe2) 0–1. Dintheer,Willi (2095) – Huhndorf,Arnold (2220), Bad Woerishofen op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.Nf3 Bg4)

    6.Bb5 e6 7.ab4 Qc7 8.Bc6 Qc6 +=.

    6.Bb5 e6 7.h3 Bh5 (7...Bf3 8.Qf3 Qb6 9.Bc6 Qc6 10.ab4 Qc2 11.0-0-/+) 8.ab4 Bb4 9.c3 Bf8 (better is 9...Bf3!? 10.Bc6 bc6 11.Qf3 Qc7-/+) 10.Qa4= Qc7 11.g4 (better is 11.Nd4!? Nge7 12.Ba3 Qe5 13.Kf1=) 11...Bg6+= 12.0-0? (12.Nd4!? Kd7 13.Kd1-/+) 12...Nge7 (better is 12...Bc5!?-/+) 13.Ba3+= Nc8 14.Nd4 Kd7 (14...Ba3 15.Qa3 N8e7 16.Qd6-/+) 15.f4 (15.Bf8 Rf8 16.Qa3 Rh8-/+) 15...Nb6 16.Qb3 (16.Bc6 bc6 17.Qa6 c5-/+) 16...Be7 (16...Ba3 17.Qa3 Nc4 18.Qa4+=) 17.Nf3? (17.Re1 Bb1 18.Reb1 Ba3 19.Ra3 g5=) 17...f5 (17...Ba3 18.Na3 a6 19.Bc6 bc6 20.Ne1+=) 18.d4? (18.Nd4!?=) 18...fg4 (18...Ba3 19.Na3 a5 20.Be2+=) 19.hg4 a6 20.Be2? Na5 21.Qa2 Nbc4 22.Be7-/+ Ke7 23.f5? ef5-/+ 24.gf5 Bf5 25.Ng5? g6 26.Nd2? b5 27.Ndf3?? Nb7 28.Rae1?? Nd8 29.Rf2? Ne6?? 30.Bf1?? h5?? 31.Rh2 0–1. Morcom,Hugh, (2020) – Burenkov,Slava, Monmouth op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.d4 Qb6 7.Be3 e6 8.ab4 Bb4 9.c3 Ba5 10.Bd3 Nge7 11.0-0 Bf5 12.Nh4 Bd3 13.Qd3 Ng6 (13...Qb2 14.Ra3-/+) 14.Ng6+= hg6 15.Na3 Qd8 16.Rab1 Bb6 17.Nb5 0-0 18.Nd6 Rb8 19.Bc1 Qh4 20.g3 Qh5 21.Ba3 f6 22.Nb5 fe5 (22...Rfd8!? 23.Bd6 Rbc8+=) 23.Bf8= Rf8 24.Kg2 ed4 25.Nd4 e5 (25...Ne5 26.Qe3 Rf6 27.h3-/+) 26.Rb6 (better is 26.Nc6!? bc6 27.f3+=) 26...ab6-/+ 27.Ne6 e4 28.Qe3 Re8 29.Nf4 Qf5 30.Rd1 Rd8 31.h4 b5 32.Qc5 (better is 32.Qb6!? Qe5 33.Qc5-/+) 32...d4-+ 33.Qf5 gf5 34.Ne6 Rd6 35.Nd4 b4 36.Rc1 Nd4 37.cd4 Rb6 (better is 37...Rd4!? 38.Rc7 b6-+) 38.Kf1 Kf7 39.Ke2 b3 40.Rb1 b2 0–1. Albers,Damian (1855) – Dahmen,Christoph (1965), NRW–ch U18 Kranenburg, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.Nf3 Bg4)

    5.f4 Bf5

    6.ab4 Nb4 7.Bb5 Bd7 +=.

    6.ab4 Nb4 7.d3 e6 8.c3 Nc6 9.d4 Nge7 10.Bd3 Bd3 11.Qd3 Nf5 12.Ne2 h5 13.Nd2 Be7 14.Nf3 Kf8 15.Ng5 g6 (15...Kg8 16.0-0-/+) 16.g3 (16.Ba3!?+=) 16...Na5 17.Ra2 Qc7 18.0-0 Qc4 (18...Nc4 19.Nf3-+) 19.Qb1-/+ b6 20.Rf2 Kg7 21.h3 Nb3 22.Ba3 Ba3 (better is 22...Nd2! 23.Qc2 Bg5 24.Qd2 Bd8-/+) 23.Ra3= Na5 24.Ra5 ba5 25.Qb7 Rhf8 26.Ne6 Kh6 27.Nf8 Rf8 28.g4 Ne3 29.Qe7 Qc8 30.e6 (better is 30.f5!? Qd8 31.g5 Kg7 32.f6 Kh7 33.Nf4 (33.Qa7?! Qc8 34.Kh2 Nd1+-) 33...Qe7 34.fe7+-) 30...Qd8+= 31.Qa7 1–0. Lukac,Roman (2140) – Dusik,Tomas (2170), SVK–chT2C, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.d4 e6 7.Nf3 Nh6 8.h3 Be4 9.Nbd2 Nf5 10.Nb3 ba3 11.c3 Be7 12.Bd3 Bh4 13.Kd2 Ng3 14.Rg1 Bd3 15.Kd3 Ne4 16.Qc2 Be7 17.Ba3 Ba3 18.Ra3 Rc8 19.Qa2 Nc3 20.Qb2 Nb4 21.Ke3 Nb5 22.Nc5 Na3 0–1. Sharp,D – Diebert,C NM, Columbus OH, 1986. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.Nf3 Qa5!? -/+.

    6.Nf3 d4 7.ab4= e6 8.b5 Nb4 9.d3 Bc5 (9...Nd5 10.Bb2 Bc5 11.Qc1= (11.Nd4?? Ne3 12.Qe2 Bd4-+)) 10.Ra4 (10.Nbd2 Nd5 11.Bb2 Nh6+=) 10...Ne7 11.Bd2 (11.Ba3 Ned5 12.Qd2 a5 13.ba6 Qb6-/+) 11...a5 12.ba6 Nec6 (12...Na6 13.c4+=) 13.Na3 (13.h3 Na6 14.Bc1 b5-/+) 13...Ra6 (13...Nd5 14.Rc4 Qb6 15.Qb1 Ra6 16.Qb6 Bb6 17.Nb5+=) 14.Ra6+= Na6 15.Qa1 0-0 16.Be2 Qe7 17.Nb5 Nab4 18.Bd1 Rd8 19.Qa4 Qf8 20.Qb3 Na5 21.Qb1 Nac6 22.0-0 (22.Nh4 Ra8=) 22...h6 23.Nh4 Bh7 24.Kh1 Qe7 25.Nf3 Nd5 26.Be2 Nc7 27.Nc7 Qc7 28.Qe1 Ne7 29.Qg3 Ba3 30.Bd1 Nf5 31.Qh3 Bf8 32.Nh4 Ne7 33.g4 Ra8 34.Nf3 Qc6 35.Kg1 Qd5 36.Qg3 Ra6 37.h4 b5 38.h5 Kh8 39.Bb4 Nf5 40.gf5 Bb4 41.f6 Bf8 42.Kh2 Ra8 43.Rg1 gf6 44.Qh4 Bg7? 45.ef6+- Bf8 46.Ne5 Ra7 47.Bf3 Qc5 48.Rg2 Qc7 49.Be4 Bg8 50.Qg3 (50.Qg3 Bh7 51.Bh7 Kh7 52.Qg8) 1–0. Grumic,Sasha – Hinds,Ronald, Canada op Edmonton, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6)

    6.Nf3 e6 7.ab4 Bb4 8.c3 Ba5 9.Ba3 Bb6 (9...Qb6 10.Bd6 Qb2 11.Na3-/+) 10.d4 Nge7 11.Bd3 Rc8 (11...h5 12.0-0-/+) 12.0-0 Qd7 (12...Be4 13.Rf2-/+) 13.Kh1 (13.Bf5 Nf5 14.Qd3 h5+=) 13…h6 ½–½. Morcom,H (1975) – Murray,Steve, Guernsey GCI, Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.e5 Nc6)

    4.e5 Qc7

    5.Bb2 Nc6 6.Nf3 Bg4 7.h3 Bf3 8.Qf3 e6 9.ab4 Bb4 10.Bb5 (10.Qg4!? Nge7 11.Qg7-/+) 10...Nge7-/+ 11.0-0 0-0 12.d4 Nf5 (12...Qb6 13.Bc6 Nc6 14.c3-/+) 13.c3 Be7 14.Bd3 Nh4 (14...Qd7 15.Nd2-/+) 15.Qh5 Ng6 (15...g6 16.Qe2-/+) 16.Nd2 (16.Ra2 f5+=) 16...f5 (better is 16...a5!?+=) 17.ef6= Rf6 18.Nf3 Nf8 19.Bc1 (19.Ng5 g6 20.Qd1 Na5=) 19...g6+= 20.Qh6 Nd8 (20...e5 21.Ne5 Ne5 22.de5 Qe5 23.Rb1+=) 21.Bd2 Nf7 22.Qe3 Bd6 (22...Nd7=) 23.Qe2 (23.Rfc1 Bf4 24.Qe2 Bd2 25.Qd2 e5 26.de5 Ne5+=) 23...a6 (better is 23...e5!? 24.de5 Ne5 25.Ne5 Be5+=) 24.c4+= Bf4 25.c5 (better is 25.Rfc1!?+/-) 25...Bd2= 26.Qd2 e5 27.Bc2 (27.Ne5 Ne5 28.de5 Qe5+=) 27...Rd8 (27...Ne6 28.Bb3 ed4 29.Bd5-/+) 28.Rac1 (28.Rfe1 ed4 29.Nd4 Qc5=) 28...e4 (better is 28...Rf3!? 29.gf3 Ne6 30.de5 Ne5-/+) 29.Nh2+= h5 30.Rfd1 (better is 30.Rb1!?=) 30...Ne6-/+ 31.Nf1 Nf4 32.Ne3?? (better is 32.Qe3-/+) 32...Ng5 (better is 32...Nh3 33.gh3 Ng5 34.Be4 Ne4-+) 33.Kf1 Nfh3! 34.gh3 Nh3 35.Nd5 Rd5 36.Be4 Rg5 37.f3 Rg1 38.Ke2 Rg2 39.Kd3 Rd2 40.Rd2 Ng5 41.Bd5 Kg7 42.Rb1 b5 43.cb6 Rb6 44.Rc2 Qd6 45.Rb6 Qb6 46.Ke3 Ne6 (46...Ne6 47.Rd2 g5-+) 0–1. Guerra Tulcan,L (2365) – Arias,M (2195), ITT Millonario de Navidad, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7)

    5.Bb2 Bf5 6.ab4 Nd7 (6...e6!?+=) 7.Na3= Rc8 8.Nb5 Qb8 9.e6 (worse is 9.Na7 Rc2 10.Bd4 e6=) 9...fe6 10.Qh5 g6 11.Qe2 Ngf6 12.Nd4 e5 (worse is 12...Bc2 13.d3 Bd3 14.Qd3+=) 13.Nf5 gf5 14.Nf3 Bg7 (better is 14...e4!? 15.Nd4 e5 16.Nf5 Bb4+= (worse is 16...Rc2 17.Bc3=)) 15.Ne5= 0-0 (better is 15...Rc2!? 16.Nd7 Kd7=) 16.Nd7+/- Nd7 17.Bg7 Kg7 18.Qe7 Rf7 19.Qg5 Kh8 20.Kd1 Qe5 21.c3 d4 22.Ra5 (22.Ra7 dc3 23.Qe3 Qd6-/+) 22...Qe6 23.Bd3 (23.c4!?+/-) 23...dc3= 24.Re1?? (better is 24.Qf4 cd2 25.Kd2+=) 24...c2!-+ 25.Bc2 Qc4 26.Bf5 Qc1 27.Ke2 Re8 28.Kf3 Qe1 (28...Qe1 29.g4 Ne5 30.Re5 Qe5-+) 0–1. Fernandez,A1 – Riverol,Jose, BDC op Uruguay, 1988. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.d4 Nc6 6.ab4 Nb4 7.c3 Nc6 8.Bd3 e6 9.Ne2 Bd7 10.0-0 a6 11.Nf4 Na5 12.Qh5 Nh6 13.Qg5 g6 14.Ba3 Ba3 15.Na3 Nf5 16.Bf5+= gf5 17.Nc2 Bb5 18.Rfc1?? Nb3-+ 19.Ne3 Qe7 20.Qg3 Nc1 21.Rc1 Qa3 22.Rb1 Qa2 23.Rd1 0-0-0 24.Qg7 Rhf8 25.Qh7 a5 26.h4 a4 27.Nf5 ef5 28.Qf5 Bd7 29.Qf6 Qc2 30.Ra1 Qf5 31.Nd5 Qf6 32.Nf6 Bc6 33.h5 Rh8 34.g4 Rh6 35.g5=+ Rf6 36.ef6= Bf3 37.g6 fg6-/+ 38.hg6?? Rh8 (38...Rh8 39.Ra4 Rh1) 0–1. Schmidt,Wolfgang – Linhart,Wolfgang, Bayern–chB Tirschenreuth, 1982.

    5.d4 Nc6 6.Bb5 Bd7 7.ab4 Ne5 8.Bd7 Nd7 (8...Kd7?! 9.Bf4 Nd3 10.Qd3 Qf4 11.Qb5 Kc7 12.Qc5 Kb8 13.Ne2=) 9.Nf3 e6 10.Bd2 Ngf6 11.0-0 Be7 12.Na3 0-0 13.c3 a6 14.Qe2 Rfc8 15.Rfc1 b5 16.h3 Ne4 17.Be1 Nb6 18.Ne5 Bd6 19.f3 Nf6 (19...Be5?! 20.de5 Qe5 21.Qe3=) 20.Nd3 Nc4 21.Nc5 Na3 22.Ra3 Bc5 23.dc5 Nd7 24.Rca1 Qb7 25.Bg3 e5 (25...Rc6 26.Ra5+=) 26.Qe3 (26.Qa2!?=) 26...Rc6+= 27.Rd1 Rg6 28.Bh4 Qc6 29.Qd3 Nc5 30.Qd5 Qd5 (better is 30...Nb7!?+=) 31.Rd5+= Ne6 32.Re5 h6 (32...Nf4 33.g3 Rc8 34.Kh2=) 33.Rb5 Nf4 (33...ab5 34.Ra5) 34.g4 Re8 35.Rba5 Rd6 36.Ra2 (36.Ra6 Rd1 37.Kh2 Rd2 38.Kg1 Ree2-+) 36...Ne2 37.Kg2 Nc3 38.Rc2 (38.Ra6 Na2 39.Rd6 Nb4+=) 38...Nd1 (38...Nd5!? 39.Bf2 Nb4-/+) 39.Kg1 Ne3 40.Re2 Rd1 41.Re1 Re1 42.Be1 Nc2 43.Bg3 Re6 44.b5 ab5 45.Rb5 Nd4 46.Rb8 Kh7 47.f4 Re2 48.Kf1 Rc2 49.Re8 h5 50.Bf2 Ne6 51.Bg3 h4 52.f5 hg3 ½–½. Pasztor,Lorant – Kerek,Csaba (2140), Miskolc Avas op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7)

    5.d4 Nc6 6.Bb5 Bf5 7.ab4 a6 8.Nf3 Rc8 9.Bc6 Qc6 10.c3 Bb1 11.Rb1 Qc3 12.Bd2 Qd3 13.b5 e6 14.Rb3 Qe4 15.Be3 a5 16.0-0 b6 17.Bd2 Qc2 18.Qc2 Rc2 19.Rc1 Rc1 20.Bc1 Bb4 21.Bd2 Bd2 22.Nd2 Ne7 23.Rc3 Kd7 24.Nb1? Rc8 25.Rc8-/+ Kc8 26.g4 f6 27.f4 Ng6 28.f5 Nh4?? 29.fe6? Nf3 30.Kf2 Nd4 31.e7 Kd7 32.ef6 gf6 33.Nc3 Ke7 34.Nd5 Ke6 35.Nb6 Nb5 36.Ke3 Nc3 37.Kd2 Ne4 38.Ke3 Nc5 39.Kd4 a4 40.Nc4 Nd7 41.Na3 Ne5 42.h3 Nf7 43.Ke4? Ng5 44.Kf4 0–1. Strzelczyk,Pawel – Tomsia,Kamil (2010), VI MITSz Przelazy Poland, 2006.

    5.d4 e6 6.Bd3 ba3 7.c3 f5 8.Ne2 Bd7 9.Na3 Ne7 10.h3 Ng6 11.0-0 Be7 12.f4 0-0 13.Nc2 Nc6 14.Ra2 Nh8 15.Ne3 h5 16.g4 hg4 17.hg4 g6 18.gf5 gf5 19.Ng3 Rf7 20.Qf3 Ne5?? (better is 20...Rg7+=) 21.fe5+- (21.de5 Rg7 22.Rg2 Kf7+/-) 21...Qc3 22.Rg2 Qd3?? (22...Kf8 23.Nef5! Ke8+-) 23.Ngf5 Kf8 24.Qg4 (24.Qh5 Ng6 25.Rg6 Qf1 26.Nf1 Bf6 27.Ba3 Re7 28.Rf6 Kg8 29.Ne7 Kg7 30.Rf7) 24...Ke8 (24...Qf1 25.Nf1 Ke8 26.Ne7 Kd8 27.Qg8 Be8 28.Qh8 b6+-) 25.Qg8 Rf8 (25...Bf8 26.Nd6 Kd8 27.Rf7 Nf7 28.Qf8 (28.Nf7?! Kc7+-) 28...Kc7 29.Qa8+-) 26.Ng7 Kd8 27.Rf8 Bf8 28.Qf8 (28.Qh8?! Kc7 29.Rc2 Kb6+/-) 28...Kc7 29.Qd6 (29.Qd6 Kc8 30.Ne6 Be6 31.Qe6 Kc7 32.Nd5 Kd8 33.Bg5; 29.Ne6 Be6 30.Qd6 Kc8 31.Qe6 Kc7 32.Nd5 Kd8 33.Bg5) 1–0. Frink,Ferenc (2260) – Lacha,Ja (1950), XXX Zalakaros Open, 2011. (=1.e4 d5 2.e5 c5 3.b4 cb4 4.a3 Qc7)

    5.Nf3 Bg4 6.Bb5 Nc6 7.0-0 e6 8.ab4 Bb4 (8...Bf3 9.Qf3 Qe5 10.c3-/+) 9.c3 Bf8 10.d4 Nge7 11.Ba3 Ng6 12.Bf8 Nf8 13.h3 Bh5 14.c4 dc4 15.Nc3 Bf3 16.Qf3 Nd7 17.d5 Nce5 18.Qf4 0-0 (better is 18...Ke7-/+) 19.Bd7+= Qd7 20.Qe5 ed5 21.Nd5 Rfe8 22.Qd4 Qc6 23.Rfe1 h6 (better is 23...Re1!? 24.Re1 Kh8+/-) 24.Ne7+- Re7 25.Re7 c3?! (25...a6+-) 26.Rc1 (26.Ra7 Ra7 27.Qd8 Kh7 28.Qd3 f5-/+) 26...Rc8 27.Qa7 c2 (27...Qa6 28.Qb7 Qb7 29.Rb7+-) 28.Qb7 (worse is 28.Rb7 Qd5 29.Re7 Qd1 30.Re1 Qd2+-) 28...Qc4 (28...Qb7 29.Rb7 Kf8 30.Kf1+-) 29.Rf7! (29.Rf7 Qf7 30.Qc8 Kh7 31.Qc2 Qg6 32.Qd2+-) 1–0. Gietl,Thomas (2305) – Stocker,Andreas, Postbauer op U18 3rd, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7)

    5.f4 Bf5 6.d3 e6 7.ab4 Bb4 8.c3 Bc3 9.Nc3 Qc3 10.Bd2 Qc7 11.Ba5 Qd7 12.d4 Ne7 13.Qb3 0-0 14.Nf3 Nbc6 15.Bc3 Rab8 16.Be2 b5! 17.0-0 (17.Bb5 Qb7) 17...b4 18.Bb2 Qb7 19.Rfc1 a5 20.Rc5 Rfc8 21.Rac1 Ng6 22.Bb5 Nf4 (22...Nce7 23.g3-+) 23.Qe3 Na7 24.Qf4? (better is 24.Bf1 Ng6 25.Ra5 Rc1 26.Bc1-+) 24...Rc5 25.Rc5 Nb5 26.g4 Bg6 27.h4 a4 28.h5 Be4 29.Ng5 a3 30.Bc1 Nd4 31.Qf2 Nb3 32.Rb5 (32.Ne4 de4 33.Rc4-+) 32...Qb5 33.Qf7 Kh8 34.Ne6 Qb7 35.Nc7 Rc8 36.h6 Qb6 37.Kh2 Qg6 38.Qd7 Rg8 39.Ne6 gh6 40.Nd8 Bf5 41.Qe7 Re8 42.Nf7 Kg7 43.Qe8 Nc1 44.gf5 Qf7 45.Qc8 Qh5 46.Kg3 Ne2 47.Kf2 Qh2 48.Ke1 Qe5 49.f6 Kf6 50.Qh8 Ke6 51.Qe8 Kf5 52.Qh5 Ke4 53.Qh6 a2 54.Qh7 Kd4 55.Qa7 Kd3 56.Qa6 Kc2 57.Qa2 Kd3 58.Qa6 Ke3 59.Qb6 Nd4 60.Kd1 Qh5 61.Kc1-+ Qh1 62.Kb2 Qg2 63.Kb1 Qc2 64.Ka1 Qc1 65.Ka2 0–1. Kolyaie,Hasan – Noroozi,Omid, IRI–ch Arak, 1998. (=1.e4 c5 2.b4 d5 3.e5 cb4 4.a3 Qc7)

    5.d4 Bf5

    6.ab4 Qc2 7.Qc2 Bc2 8.Na3 =.

    6.ab4 Bc2 7.Qd2 Nd7 =+.

    6.Bb5 Nd7 7.Bd3 Bd3 8.Qd3 Rc8 (8...Ne5!? 9.de5 Qe5 10.Be3 Qa1 11.Qb5 Kd8 12.Qd5 Ke8 13.Qb5 Kd8 14.Qd5 Ke8 15.Qb5 Kd8 16.Qd5=) 9.ab4 Ne5 (9...Qc2?! 10.Qc2 Rc2 11.Ne2=) 10.Qb5 Nd7 (better is 10...Qc6!? 11.Qe2 Qc2 12.Qc2 Rc2 13.de5 Rc1 14.Kd2 Rc4-/+) 11.c3= a6 12.Qd5 e6 13.Qb3 Ngf6 14.Ne2 Bd6 15.h3 0-0 16.0-0 Nd5 17.Bd2 N7f6 18.Rc1 Ne4 19.Be1 Nf4 20.Nf4 Bf4 21.Rc2 Rfd8 22.Raa2 Qc6 23.f3 Nd6 24.Bf2 Nf5 25.Re2 Bb8 26.Be1 Qd6 27.g4 Ne7 28.Re4 Nd5 29.Rg2 Qe7 30.h4 Nf4 31.Rd2 Qf6 32.Qd1 Nd5 33.Rd3 Qg6 34.Bd2 h5 (34...Nf6 35.Bg5 Ne4 36.Bd8 Nc3 37.Nc3 Rd8 38.h5-+) 35.g5 (better is 35.Bg5!? Rd7 36.gh5 Qh5 37.Kf1-/+) 35...Nf6-+ 36.Qe2 Ne4 37.fe4 f6 38.Kh1 fg5 39.Bg5 Rf8 0–1. Husarik,Branko (2060) – Stursa,Jan (2140), CZE–chT3A Middle, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7)

    6.Bd3 Bd3 7.Qd3 e6 8.ab4 Bb4 9.c3 Be7 10.Ne2 Nd7 11.0-0 a6 12.f4 f5 13.g4 (13.Ba3!?+=) 13...g6 14.gf5 gf5 15.Kh1 Nb6 16.Qg3 Bf8 17.Ba3 Ba3 18.Na3 Ne7 19.Rg1 0-0-0 20.Qd3 Rhg8 21.Rgb1 Rg7 22.Nc2 Nc6 23.Nb4 Nb4 24.Rb4 Nc4 25.Rbb1 Rdg8 26.Ng3 Qe7 27.Rb4? (27.Nh5 Rg2 28.Nf6 R8g7-/+) 27...h5 28.Rc4 (28.Nh5 Rg2 Combination) 28...dc4 29.Qc4 Kb8 30.Qb4 h4 31.Qd6?? (31.Qe7 Re7 32.Nh5 Rc8-+) 31...Qc7 (better is 31...Qd6 32.ed6 hg3-+) 32.Nh5 Qd6 33.ed6 Rg6 34.c4 Rh6 35.c5 Rh5 36.Rb1 Kc8 37.Rb6 Rh7 38.c6 bc6 39.Rc6 Kb7 40.Rc1 h3 0–1. Kuespert,Helmut (1910) – Kraft,Wolfgang (2120), Landesliga Nord, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7 5.d4 Bf5)

    6.Bd3 Bd3 7.Qd3 e6 8.ab4 Bb4 9.c3 Be7 10.Qg3 Kf8 11.Ne2 Nc6 12.0-0 h5 13.Na3 Nh6 14.Qh3 h4 15.g4 hg3! 16.fg3 (16.Ng3 Qa5 Combination; 16.fg3 Kg8 Combination; 16.hg3 Kg8 Combination; 16.Qg3 Nf5 Decoy) 16...Kg8 17.Qg2 Ba3 18.Ra3 Na5 19.g4 Nc4 20.Ra2 a5 21.Nf4 Qe7 (21...Qd7!?-/+) 22.g5 Nf5 23.Nd5 Qd8 24.Nf6 Kf8 25.Ng4 Rh4 26.Rf4 (better is 26.g6=) 26...Qg5-/+ 27.h3 Nce3?? (better is 27...Rd8-+) 28.Rf5 (28.Qb7!? Rd8 29.Be3 Rh3 30.Rh2 Rh2 31.Kh2 Qh4 32.Kg1 Qg3 33.Qg2 Qe1 34.Rf1 Qc3 35.d5+/-) 28...ef5 29.Ne3 Qh5? (29...Qg2 30.Kg2 g6 31.Ba3 Kg7 32.Rb2+-) 30.Kh2?? (30.Qb7 Re8 31.Qc6 Rh3 32.Ba3 Kg8 33.Qe8 Kh7+/-) 30...g6 (30...f4 31.Nd5 f3+-) 31.Rf2 a4? (better is 31...Rd8+-) 32.Ba3 (32.Qb7?! Rh3 33.Kg1 Ra7+=) 32...Ke8 33.Nd5 (33.Nd5 Rh3 34.Qh3 Qh3 35.Kh3+-; 33.Qb7 Rh3 34.Kg1 Rh1 35.Qh1 Qh1 36.Kh1 Rc8+-) 1–0. Wehner,Janis (2235) – Dargel,Manuel (2105), Leipzig VfB op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7)

    6.Bd3 Bd3-/+ 7.Qd3 e6 8.ab4 Bb4 9.c3 Bf8 10.Na3 Ba3 11.Ba3=+ Nc6 12.Ne2 Nge7-/+ 13.0-0 b6 14.Nf4 0-0-/+ 15.Nh5 Kh8 16.f4 f5 17.ef6= gf6 18.Rae1 Nd8 19.f5!+- Ndc6 20.Re6 Rf7 21.Rf6 Raf8 22.Rf7 Rf7 23.g4 Na5 24.Bc1 Nc8? 25.Bf4 (25.Bf4 Qd8 26.Qg3+-) 1–0. Claesen,Jeroen – Sidwall,A, Hallsberg op, 1991.

    6.Bd3 Bd3 7.Qd3 e6 8.ab4 Nc6 9.Ra4 Nd4! (worse is 9...Bb4 10.Bd2 Bd2 11.Nd2-/+) 10.c3 (10.Qd4 Qc4) 10...Nc6 11.f4 b5 12.Ra6 Qb7 13.Ra2 Bb4! 14.Rb2 (14.cb4 Nb4) 14...Bc5 15.Rb5 Bb6 16.Ba3 Nge7 17.Nf3 Na5 18.Nbd2 Rc8 19.Bb4 Nc4 20.Nc4 (20.Be7!? Qe7 21.Rb1-+) 20...dc4 21.Qd6 Nf5 22.Qd2 Bf2! 23.Kf2 (23.Qf2 Qe4; 23.Kf2 Qb5) 23...Qb5-+ 24.Rd1 Qb6 25.Nd4 Rd8 26.Qa2 Nd4 27.Ba5 Qc5 28.Kf1?? (28.cd4 Rd4 29.Qa4 Rd7 30.Kf1-+) 28...Rd5 29.Bb4 Qc7 (better is 29...Qb5 30.Qa7 Nc6 31.Qa8 Nd8 32.Rd5 Qd5-+) 30.cd4 a5 (30...c3!? 31.Bd6 Qb6 32.Rb1-+) 31.Bc5-/+ f6 32.Qc4 Kf7 33.f5 Ke8?? (better is 33...fe5 34.fe6 Ke6-+) 34.fe6 Qc6 35.Rb1 Qc8?? (better is 35...Rc5 36.dc5 Rf8+-) 36.Rb6 (36.Rb6 Rc5 37.Qc5 (37.dc5 fe5 38.Qa4 Ke7+-) 37...Qc5 38.dc5+=; 36.Qa4 Kd8 37.Qa5 Ke8 38.Qa4 Kd8 39.e7 Kc7 40.Qa7 Qb7 41.Qb7) 1–0. Schupp,Tobias – Pfaff,Timo, Hessen–ch U17, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7)

    4.e5 d4

    5.ab4 Nc6 6.Nf3 Qd5 (6...Nb4 7.Ba3 Qa5 8.Bb2+=) 7.c4= Qe6 8.Qa4 (8.Na3 f6= (worse is 8...Nb4 9.Nb5 Qd7 10.Ra7 Ra7 11.Na7+/-)) 8...Bd7 9.Qb5 f6 (9...Rb8+=) 10.Qd5? (better is 10.Qb7 Rb8 11.Qc7 Rb4 12.d3=) 10...fe5?? (better is 10...Qd5 11.cd5 Nb4-/+) 11.Qe6+/- Be6 12.b5 Nb4 13.Na3 (13.Ra4!? a5 14.ba6 Na6 15.Ne5+/-) 13...g6 14.Ne5 Bg7 15.Nd3 Nd3 16.Bd3 0-0-0 (16...Nf6!?=) 17.Nc2 Kb8 18.0-0 (18.Ra4 Bf6+=) 18...Bc4= 19.Bc4 d3 20.Ra2 dc2 21.Rc2 Bd4 22.Ba3 e5 23.Rfc1 Nh6 24.Kf1 Ng4 25.f3 Nh2 26.Ke2 e4 27.fe4 Ng4? 28.Be7 Rde8 29.Bd6 Ka8 30.Bf7 Rd8 31.Be7 Rb8 32.Rc4 Ne5 33.Rd4+- Nf7 34.Rf1 Ne5 35.Ra4 b6?? 36.Bd6+- Rbe8 37.Rfa1 a5+/- 38.ba6 b5 39.Rd4 Nc6= 40.Ke3 Nd4 41.Kd4 Rc8 42.Ra2 Rc4 43.Kd5 Ra4 44.Rb2 Ra6 45.d4 Rb6 46.e5 h5 47.Bc5 Rd8 48.Ke4+/- Ra6 49.d5 Ra4 50.Bb4+/- Kb7 e6 Kb6? 52.Ke5+- Re8 53.d6 1–0. Hromada,Pavel (2235) – Novotny,Jiri (2280), MOR–chT, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.ab4 Qd5 6.Ra5 Qe4 7.Qe2 Qe2 8.Be2 Nc6 9.Bb5 Bd7 10.Bc6 Bc6 (worse is 10...bc6 11.Nf3+/-) 11.f3 b6 12.Ra1 e6 13.c3 (13.Ne2!? d3 14.cd3 Bb4 15.Ba3=) 13...dc3-/+ 14.dc3 Ne7 15.Be3 Nd5 16.Bd4 Be7 17.Ne2 0-0 18.Kf2 Rfc8 19.Nd2 Bb5 20.Ne4 Kf8 21.h4 h6 22.N4g3 a5 23.ba5 ba5 24.Rhb1 Be2 25.Ne2 Bh4 26.g3 Be7 27.Ra4 Ra6 28.Rb5 Rca8 29.f4 Ke8 30.Kf3 g6 31.Ke4 h5 32.Bf2 Bd8 33.c4 Nb4 34.Nd4 Nc6 35.Nb3 Be7 36.Bc5 Bc5 37.Nc5 R6a7 38.Nb7 Ke7 39.Nd6 Rc7 40.c5 Kf8 41.Kd3 Rca7 42.Kc4 Nb4 43.Nb7 Nd5 44.Rba5 (worse is 44.Na5 Ne7-+) 44...Ra5 45.Ra5 Ra5 46.Na5 Ke7 47.c6 Kd8 48.Kc5 Kc7 49.Nb3 Nc3 50.Nd2 Nd5 51.Nf3 Ne7?? 52.Nd4+- Nc8? 53.Nb5 Kd8 54.Nd6 Ne7 55.Nf7 (55.Nf7 Kc8 56.Ng5+-) 1–0. Frink,Ferenc (2215) – Oszczanowski,Witold (1740), IV Open A Gora Swietej Anny Poland, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5)

    5.ab4 Qd5 6.Nf3 Bg4= 7.Ra5 Qe4 8.Be2 Bf3 9.gf3 Qf4.

    5.ab4 Qd5 6.f4 g5 7.Qf3 (worse is 7.fg5 Qe5 8.Qe2 Qg5+=) 7...Qf3 8.Nf3 gf4 9.Nd4 Bg7 10.Nf3 Nc6 11.Bb5 Bd7 12.Bc6 Bc6 13.Bb2 (13.d4!?+/-) 13...e6 14.0-0 Ne7 15.d4 Nd5 16.c3 Ne3 17.Rf2 Rg8 18.Nbd2 Bh6 19.Re2 Bb5 20.c4 Nc4 21.Nc4 Bc4 22.Rc2 Bd5 23.Kf2 Kd7 24.b5 a6 25.b6 Rac8 26.Rac1 Bc6 27.Ba3 Bf8 28.Bc5 Be7 29.g3 fg3 30.hg3 Rg4 31.Nh2 Rg6 32.Nf1 Bd8 33.Ne3 f5 34.d5 Bd5-+ 35.Nd5 ed5 36.Rh1 Rc5! 37.Rc5 Bb6 38.Rh7 Ke6 39.Rb7 Bc5 40.Kf3 Ke5 0–1. Castellanos,Alvaro – Narvaez,Zamir Alexis (2145), Bogota IRT op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 d4)

    5.Bc4 ba3 A) 6.Ba3 Nc6 (6...Qc7 7.Qe2 Nc6 8.Nf3 Nh6 9.Bc5 Bg4) 7.Nf3 Nh6 8.0-0 Bg4 9.h3 Bh5; B) 6.Na3 Bf5 (6...Nc6 7.Nf3 Bf5 8.Rb1 Qd7 9.0-0 e6) 7.Nf3 Nc6 8.Rb1 Qd7 9.0-0 e6; C) 6.Nf3 Nc6 (6...a2 7.Ra2 Nc6 8.Qe2 Bf5 9.Nh4 Bd7; 6...Nh6 7.0-0 Nc6 8.Ba3 Bg4 9.h3 Bf3; 6...a6 7.Na3 Nc6 8.0-0 e6 9.Qe2 Bc5; 6...Bf5 7.0-0 Nc6 8.Ba3 Nh6 9.e6 Be6) 7.0-0 a6 8.Na3 Nh6 9.e6 Be6.

    5.Bc4 Nc6 6.Nf3=+ Bf5 (6...ba3 7.0-0 Bf5 8.Ba3 Nh6 9.Re1 e6; 6...Qa5 7.Bb2 Ne5 8.ab4 Nf3 9.Qf3 Qe5) 7.ab4 Nb4 8.Bb5 Nc6 9.Bb2 d3.

    5.Bc4 Qc7 6.Qe2 ba3 (6...Nc6 7.Nf3 Bg4 8.e6 fe6 9.h3 Bf3; 6...e6 7.Nf3 Nc6 8.0-0 a6 9.ab4 Bb4; 6...Bg4 7.f3 Bf5 8.ab4 e6 9.Bb5 Nd7) 7.Na3 Nc6 8.Nb5 Qd8 9.Qe4 Nh6.

    5.Bc4 e6 6.Nf3 Bc5 7.0-0 Ne7 8.ab4= Bb4 9.c3 dc3 10.Qa4 Nbc6 11.dc3 Bc5 12.Bg5 0-0 13.Nbd2 Qc7 14.Bd3 Ne5 15.Ne5 Qe5 16.Bh7 Kh7 17.Qh4 Kg8 18.Be7 Be7 19.Qe7 Qf6 20.Qc5 Bd7 21.Ne4 Qg6 22.Rfe1 Bc6-/+ 23.Ng3 a6 24.Rad1 Rad8 25.Rd6 Rd6 26.Qd6 Qg5 27.Rd1 Ba4 28.Rd2 Rc8 29.h3 Rc3-+ 30.Qb8 Kh7 31.Rd8 Bc6 32.Rh8 Kg6 33.h4 Qd5 34.h5? Kg5 35.f3 Qd4 36.Kh2 Qh4 37.Kg1 Rc1 38.Nf1 Qd4 39.Kh2 Rf1 40.Qg3 Kf6 41.Rh7 Qg1 42.Kh3 Qh1 43.Kg4 e5 44.Qh4 Qh4 45.Kh4 Rh1 46.Kg3 a5 47.Kf2 a4 48.g4 Rh3 49.g5 Kg5 50.Rg7 Kf6 51.Rh7 a3 52.Rh8 a2 53.Ra8 Rh1 54.Kg2 a1Q (54...a1Q 55.Ra1 Ra1-+) 0–1. Miranda,A – Haile Giorgis,S, 34th Olympiad, 2000.

    5.d3? Nc6 6.Nf3 Qd5 7.Be2 Ne5 8.Ne5 Qe5 9.ab4 e6 10.Bd2 Nf6 11.0-0 Bd6 12.g3 h5?? 13.Bf3?? h4?? 14.Re1?? Qf5=+ 15.Be4? Ne4-+ 16.de4 Qf6 17.Kg2 hg3 18.fg3 Rh2 19.Kh2 Qh4 20.Kg2 Qg3 21.Kf1 e5 22.Qh5 Bh3 23.Ke2 Bg4 24.Qg4 Qg4 25.Kd3 Rc8 26.c4 Qf3 27.Kc2 Rc4 28.Kb2 Bb4 29.Rc1 Rc1 30.Kc1 Qf1 31.Kc2 Qc4 32.Kd1 d3 33.Na3 Ba3 34.Ra3 Qe4 35.Ra7 Qe2 36.Kc1 Qf1 37.Kb2 Qd1 38.Ra8 Kd7 39.Bb4 Qc2 40.Ka3 d2 41.Ra7 d1Q 42.Rb7 Kc6 (42...Kc6 43.Rc7 Kc7 44.Ba5 Kc6 45.Kb4 Qd6) 0–1. inznorek (1645) – tchebytchev (2035), kurnik, 2011.

    5.Nf3 Nc6 6.ab4 Qd5 7.Be2 Ne5 8.0-0 Nf6 9.Ne5 Qe5 10.Ra5 Qc7 11.Bb2 b6 12.Rg5 h6 13.Rg3 e5 14.Re1 Be6 15.Bb5 Nd7 16.Qh5 0-0-0 (worse is 16...Qc2 17.Bd4 a6 18.Rc3=) 17.c3 d3 18.Rd3 Bd6 19.Na3 (better is 19.c4=) 19...Nf6-/+ 20.Qd1 e4 21.Ba6 Kb8 22.Rd6 Qd6 (22...Rd6?! 23.Nb5 Qe7 24.Nd6 Qd6 25.Re3=) 23.c4? (better is 23.Nb5 Qf4 24.g3-/+) 23...Ng4 (23...Qb4?! 24.Be5 Ka8 25.Nb5-/+) 24.f4 (24.g3 Qb4 25.Bc1 f5-+) 24...Qb4 (better is 24...Qf4!? 25.Qg4 Bg4 26.Nb1-+) 25.Qa1 (25.Qc1 Rd2 26.Bd4 Rd4 27.Kh1 Nf2 28.Kg1-+) 25...Qc5 26.Re3 (26.Bd4 Rd4 27.Kh1 Rd2-+) 26...Rd2 27.Be5 Ka8 28.Kh1 Rd1! 29.Qd1 Nf2 30.Kg1 Nd1 (30...Nd1 31.Nc2 Rd8 32.Bg7 Ne3 33.Bb7 Kb7 34.Bd4 Rd4 35.h3 Rd1 36.Kh2 Ng4 37.hg4 Qf2 38.Ne1 Qh4 39.Kg1 Re1) 0–1. Gurkin,Anton (2175) – Karmenov,Zhanibek (2195), Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 d4)

    4.e5 e6

    5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7 9.Nf3 (9.Ra2 a6+=) 9...Ng6 10.h4 Nge7 11.Na3 (11.Ng5 h6 12.Nh7 Nf5 13.Nf8 Kf8 14.Ba3 Kg8=) 11...Bd7 12.Nb5 Nc8 (12...Nf5 13.Bf5 ef5 14.Bf4+=) 13.Ng5 f5?? (better is 13...Qb6 14.Rb1 Qa5+=) 14.ef6!+- (14.ef6 Qf6 15.Nh7 Rh7 16.Bh7+-) 1–0. Valera,Jesus – Romero,Alberto, VEN–chT Barquisimeto, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6)

    5.ab4 Nc6 6.d4 Nb4 7.c3 Nc6 8.Bd3 Bd7 9.Nf3 a6 10.0-0 b5 11.Ng5 Nh6 12.Nh7 (worse is 12.Bh7 g6 13.f4 Be7-/+) 12...Rh7 13.Bh7 g6 14.g3 Nf5 15.Qg4 Nce7 16.h4 Ng7 17.Bg5 Bc6 18.Qf3 Qc7 19.g4 a5? (better is 19...Qa7!?+/-) 20.Qf6+- b4 21.cb4 Bb5 (21...Qb6 22.Ra5 Rb8+-) 22.Rc1 Qb6 23.Rc5 Bc6 24.b5! (24.ba5?! Qb2 25.Ra3 Qd4= (25...Qb1? 26.Kh2+-)) 24...Bb5 25.Nc3 (25.Bh6 Bc6 26.Na3 Nc8+-) 25...Bd3? (better is 25...Bc4+/-) 26.Na4 Qb4 27.Rc7 Kd8 28.Re7! Be7 29.Qg7 Bg5 30.Qg8 Ke7 31.Qa8 Qd4 32.Qb7 Kf8 33.Qc8 Kg7 34.Qg8 Kh6 35.hg5 Kg5 36.Qd8 Kg4 37.Re1 Qa4 38.Qf6 Bf5 39.f3?? Kf3 40.Qg5?? Qd4-+ 41.Kh1 Be4 42.Qg1?? Qf2 43.Bg6 Qh4 44.Qh2 Qe1 (44...Qe1 45.Qg1 Kf4 46.Be4 Qe4 47.Kh2 Qh7 48.Kg2 Qg6 49.Kf2 Qg1 50.Kg1 Ke5-+) 0–1. Gurkin,Anton (2175) – Busin,Pavel (2065), Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6)

    5.ab4 Qc7 6.Nf3 Bb4 7.c3 Ba5 (7...Be7 8.Na3=+) 8.Qa4 (8.Ba3 Bd7=) 8...Nc6 9.Ba3 a6 10.d4 (10.Bd6 Qd7=+) 10...Qd7 11.Qc2 Nge7 12.Bd3 h6 (12...Ng6 13.Qd2=+) 13.0-0 0-0 14.Nbd2 Bd8 (14...Bc7 15.Rfb1=+) 15.Nb3 b6 16.Rfe1 a5 17.Qe2 Bb7 18.g4 (18.Nbd2 Bc7=+) 18...Re8 19.g5 hg5 20.Ng5 Nf5 21.Qh5 Bg5 22.Qg5 Nce7 23.Kh1 (23.Qh5 Ba6 24.Bc2 Rec8 25.Be7 a4 (25...Ne7?! 26.Qh7 Kf8 27.Re3=) 26.Bf5 ef5+-) 23...Ba6 24.Ba6 (24.Bb1 Rec8-/+) 24...Ra6-+ 25.Rg1 (25.Qd2 Rc8-+) 25...Rc8 26.Rac1 Ng6 27.Nd2 Qb5 28.Nf3 (28.Qg4 Qd3 29.Nb1 Ngh4-+) 28...Qd3 (28...Qe2 29.Qg4-+) 29.Qg4 (29.Ne1 Qe4 30.Ng2 Qf3-+) 29...Rc3 30.Rc3 Qc3 31.Bc1 a4 32.Bd2 (32.Bg5 a3 33.Rc1 Qb4-+) 32...Qd3 33.Rc1 Ra8 34.Bb4 (34.Bg5 a3 35.Ra1 a2-+) 34…a3 0–1. Friesen,Philippe – Klein,Jorik, Prinsenstad Toernooi B and C, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6)

    5.d4 ba3 6.Bd3 Nc6 7.c3 Qa5 8.Ne2 a2 9.Nd2 f5 10.Qc2 Qd8 11.Ra2 Nh6 12.Nf3 Nf7 13.h4 Be7 14.Nf4 0-0 15.g4 Nh6 (15...fg4 16.Bh7 Kh8 17.Ng6 Kh7 18.Ne7 Kh8 19.Ng5 g6 20.Qg6 Ng5 21.hg5) 16.g5 Ng4 17.Ng1 Qc7 18.f3 Nge5 19.de5 Qe5 20.Nge2 Qd6 21.Ba3 Qd7 22.Be7 Qe7 23.Nd4 Nd4 24.cd4 Qb4 25.Kf1 Qd4 26.Ne2 Qe3 27.Kg2 e5 28.Qd2 Qd2 29.Rd2 Bd7 30.Bc4 dc4 31.Rd7 b5 32.Rd5 b4 33.Rc1 c3 34.Kf2 a5 35.Re5 a4 36.Rb5 Rfb8 37.Nc3 bc3 38.Rb8 Rb8 39.Rc3 Ra8 40.Ra3 Kf7 41.Ke3 Kg6 42.Kf4 Ra5 43.Kg3 Kf7 44.h5 g6 45.Kf4? gh5 46.Kg3 f4! 47.Kf4 Kg6 48.Ke4 Kg5 49.f4 Kg4 50.Ra1 h4 51.Rg1 Kh5 52.f5 a3 53.f6 a2 54.f7 Ra8 55.Ke5 h3 56.Ke6?? h2-+ (56...h2 57.Ra1 Kg6-+) 0–1. Mueller,Falk – Hamburg,Daniel, Ruhrgebiet VK4, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6)

    5.d4 Ne7 6.ab4= g6 7.Nf3+/- Bg7 8.Be2 Nbc6 9.b5 Nb8 10.Nbd2 0-0 11.c4 dc4 12.Nc4 b6 13.h4 Nf5 14.g4 Ne7+/- 15.Nd6 Qd7 16.h5 Bb7 17.h6 Bh8+= 18.0-0 Nc8? 19.Nb7+/- Qb7 20.Ng5 f6?? 21.Ne6+- fe5 22.Bc4 Rf7 23.Nd8 Qc7 24.Bf7 Qf7 25.Nf7 Kf7 26.Qb3 Ke7 27.Ba3 Kd7 28.Qd5 Kc7 29.Rac1 Nc6 30.Qc6 (30.Qc6 Kd8 31.Qd5 Ke8 32.Rc7 Ne7 33.Re7 Kf8 34.Qa8#; 30.Rc6 Kb8 31.Qd7 ed4 32.Rc8) 1–0. pierred (2760) – rogeliovargas (2190), net–chess.com, 2010.

    5.d4 f6 6.ab4 fe5 (6...Bb4!? 7.c3 Ba5=+) 7.Qh5+= g6 (7...g6 8.Qe5 Nf6+= (8...Bb4? 9.c3 Nf6 10.cb4+-)). Snoopy85 – marekt, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6)

    5.ab4 Bb4

    6.c3 Ba5 7.d4 Ne7 8.Nf3 Nbc6 9.Bd3 Bd7 10.0-0 Bc7 11.Na3 a6 12.Nc2 b5 13.Ne3 Na5 14.Re1 Nc4 15.Nc4 bc4 16.Bc2 Ng6 17.g3 0-0 (17...a5 18.Ba3+=) 18.h4 (18.Ng5 Ba5 19.Qh5 h6 20.Nf7 A) 20...Rf7?? 21.Qg6 (21.Bg6?! Re7+/-) 21...Bb4 22.Qh7 Kf8 23.Bg6+-; B) 20...Nf4 21.Nh6 gh6 22.Bf4 Be8 23.Qg4 Kh8 24.Qe6 Rf7 25.Qh6 Kg8+-) 18...Re8 (better is 18...h6-/+) 19.Ng5+= Nf8 20.Qh5 g6 21.Qh6 f5 22.Ba3 Re7 23.Be7 Qe7 24.h5 Bd8 25.f4 Qg7 (25...gh5 26.Qh5 Qe8 27.Qe8 Be8 28.Reb1+/-) 26.Qg7+/- Kg7 27.Nf3 (better is 27.h6!? Kg8 28.Reb1+/-) 27...gh5= 28.Kg2 (28.Reb1!?=) 28...Ng6+= 29.Rh1 h4 30.gh4 Nf4 31.Kf2 h6 32.Ke3 Ng2 33.Kd2 Nf4 34.Rag1 Kh7 35.Ke3 Nh5 36.Bd1 f4-/+ 37.Kd2 Ng3 38.Bc2 Ne4 39.Be4 de4-/+ 40.Ne1? Be8 41.Rf1 f3 42.Ke3 Bg6 43.Nc2 Rb8 44.Rb1 Rb1 45.Rb1 Bh4 46.Rb7 Kg8 47.d5? Bg5 48.Kd4 f2 49.Rb1 ed5 50.Ne3 Bh5 51.Rf1-/+ Bh4 52.Nf5?? Be2-+ 53.Rg1 fg1Q (53...fg1Q 54.Kd5 e3-+) 0–1. Batista – Lenoir Ibacac (2160), Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4)

    6.c3 Bc5 7.d4 Bb6 8.Nf3 Ne7 9.Bd3 Nbc6 10.0-0 Nf5 11.Ng5 h6 12.Nf3 0-0 13.Be3 Bd7 14.Qd2 Ne3 15.fe3 f5 16.ef6 Rf6 17.Na3 Qe7 18.Nb5 Raf8 19.c4 a6 20.Nc3 Rf3 21.Rf3 Rf3 22.gf3 Qg5 23.Kf1 Nd4! 24.Qf2 Nb3-+ 25.f4? Qf6 26.Qb2 Na1 27.Qb6 dc4 28.Be4 Bc6 29.Bc6 bc6 (29...bc6 30.Ne4 Qf5 31.Qc6 Qh3 32.Kf2 Qh2 33.Kf1 Qh3 34.Kf2 Qf5-+; 29...Qc3 30.Qd8 Kh7 31.Be4 g6 32.Qc7 Qg7 33.Qc4=) 0–1. Bernal Marcos,JP – De Castro Vidal,JI, Valladolid CC semirap op, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6)

    6.c3 Bc5 7.d4 Bb6 8.Qg4 Kf8 9.Ba3 Ne7 10.Bd3 Kg8 11.h4 h5 12.Qf3 Nf5 13.g3 Nc6 14.Bf5 ef5 15.Nh3 Be6 16.0-0 g6 (16...a5 17.Nf4=+) 17.Bc1 Qd7 18.Bg5 Bd8 (18...Kh7 19.Nf4=+) 19.Na3 Bg5 20.Ng5 a6 21.Nb5 (21.Nc2=+) 21...Kg7 (better 21...Ne5!? 22.de5 Qb5-/+) 22.Nd6+= b5 23.Qe2 Rhb8 24.Rfd1 Ne7 (24...Kh8+=) 25.Rdb1 (25.Ndf7 Bf7 26.e6 Be6 27.Ne6 Kh7+=) 25...Nc8 (25...Qc6 26.Qd2 Nc8 27.Nc8 Rc8 28.Rb3=+) 26.Nc8 (better 26.Ndf7!? Bf7 27.e6 Be6 28.Ne6 (28.Qe6?! Qe6 29.Ne6 Kf7=) 28...Kg8 29.Qe5+-) 26...Rc8=+ 27.Qb2 Qc6 28.Ra3 Qb7 29.Nf3 (29.Ra5 Rc6=+) 29...Rc6 30.Ne1 (30.Ng5=+) 30...Rac8 (better 30...f4-/+) 31.Nd3= Qb6 (31...Qc7 32.Nc5 Ra8 33.Qa2=) 32.Nb4 Rc4 33.Na6 (better 33.Ra6 Qb8 34.Ra3+=) 33...Qc6? (better 33...f4 34.Qb5 Qb5 35.Rb5 Rc3 36.Rc3 Rc3 37.gf4 Rf3=+) 34.Nc5+- Rb8 35.Ra6 (35.Qd2 Qc7+-) 35...Qe8 (35...Qc8!? 36.Rba1 f4+-) 36.Qd2+- b4?? (better 36...Kg8+-) 37.Ne6 (37.Rb4?! Rcb4 38.cb4 Qe7+-) 37...fe6 (37...Qe6 38.Re6 bc3 39.Rg6 fg6+-) 38.Ra7 Kg8 (38...Qf7 39.Rf7 Kf7+-) 39.Qh6 (39.Qh6 Qe7 40.Re7 bc3 41.Qg7) 1–0. Gonzalez Delgado,Hugo Andres (1895) – Gonzalez,A F (1960), SUPERATE INTERCOLEGIADOS – FINAL NACION, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4)

    6.c3 Qc7?? 7.Qa4+/- Nc6 8.cb4 Qe5 9.Be2 Bd7 10.Nf3 Qe4 11.Nc3 Qb4 12.Qd1 a6 13.0-0 Qb6 14.Ba3 Nge7 15.d4 0-0 16.Bd3 Rfe8 17.Bc5 Qd8 18.Na4 Nc8 19.h4 b6+= 20.Bh7 Kh7 21.Ng5 Kg6? 22.Qg4 f5 23.h5 Kf6 24.Ne4 Kf7 25.Qg6 Kg8 26.h6 (26.h6 Qe7 27.Be7 Re7 28.Ng5 Kf8 29.h7 Nd4 30.h8Q) 1–0. Gulke,Volker – Schade,Werner, Schleswig Holstein–ch, 1988.

    6.c3 Be7 7.Qg4 Kf8 8.d4 h5 9.Qf3 g6 10.Bd3 Kg7 11.Ne2 Nh6 12.0-0 Nf5 13.Na3 Bd7 14.Bf5 ef5 (14...gf5!? 15.Nc2 h4=) 15.Qd5+= Bc6 16.Qd8 (16.Qb3 Qd5 17.Qd5 Bd5+/-) 16...Rd8 17.c4 Be4 18.d5 Bd3 19.Re1 (19.d6 Bd6 20.ed6 Be2=) 19...Bb4 20.Bg5 Rc8 The backward pawn on c4 becomes a target 21.Bf6 Kh6 22.Nf4 Be1 (22...Bc4 23.Reb1 Ba3 24.h4+=) 23.Re1 Bc4 24.Rc1 Nd7 25.Rc4 Nf6 26.ef6 Rc4 27.Nc4 Rc8 28.Ne3 Rc1 29.Nf1 a5 30.h4 Rd1 31.g3? (better is 31.Ne6+=) 31...a4-+ 32.Ne2 a3 33.Nc3 Rd5!! 34.Kg2 (34.Nd5 a2 Passed pawn) 34...Rc5 35.Na2 Rc2 36.Nb4 Rb2 (36...Rb2 37.Nd3 a2 38.Nb2 a1Q-+) 0–1. Kjoita,T (1725) – Pedersen,Sven2 (2130), Sveins Minneturnering, Oslo NOR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Bb4)

    6.Qg4 Bf8 7.Ba3 Nh6 8.Qa4 Bd7 9.Bb5 Nc6 (9...Qg5 10.Bf8 A) 10...Kf8?! 11.Nf3 Bb5 12.Qb4 (worse is 12.Ng5 Ba4 13.Ra4 b5-+) 12...Qe7 13.Qb5+=; B) 10...Rf8?! 11.Kf1-+; C) 10...Qe5?! 11.Ne2 Rf8 12.Nbc3-+; D) 10...Qg2-+) 10.Bf8+= Kf8 11.Nf3 Nf5 12.0-0 g6 13.c4 0–1. Schaffranietz,Horst (1855) – Daurer,Walter (2020), Munich–ch VM1, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4)

    6.c3 Bf8

    7.d4 Nc6 8.Bd3 Bd7 9.Ne2 Rc8 10.0-0 a6 11.f4 g6 12.Nd2 Nge7 13.Nf3 Na5 14.g4 Nc4-/+ 15.Qc2 Bg7 16.Ng3 Qc7 17.f5 gf5 18.gf5 ef5 19.Nf5 Nf5 20.Bf5 h6 21.Ra2 Bf5 22.Qf5 Qd7 23.e6 fe6 24.Re2 Rc6 25.Nh4 Kd8 26.Qh5 Nd6 27.Bd2 Qe8 28.Ng6 Rg8 29.Rg2 Ne4 30.Bh6 Bh6 31.Qh6 e5?? 32.Qh4= Kc7 33.Ne5 Rg2-/+ 34.Kg2 Qg8 35.Kh1+= Rc3?? 36.Qe7+- Kb6 37.Rb1 Ka5 38.Qb4# 1–0. Koltanowski,George – NN, simul blind CC Divan, 1941.

    7.d4 Nc6 8.Bd3 g6 9.Nf3= Bh6? (9...Nge7!?=) 10.Na3+/- Bd7 (10...Bc1 11.Qc1 Kf8+-) 11.Bh6?? (better is 11.Nb5+-) 11...Nh6+= 12.Nb5 0-0 13.h4 (13.0-0 f6 14.Qd2 Nf7=) 13...f5 14.Nd6+= Nf7 15.Nb7 Qc7= 16.Nc5 Nce5 17.h5 Nf3 18.Qf3 g5 19.h6 g4= 20.Qe3 e5 21.Kf1 e4 22.Ba6 f4 23.Qc1 Nd6 24.Rh5+= e3 25.Rd5 Rae8 26.Bd3 Bf5= 27.Qc2 Bd3 28.Qd3? Qe7-+ 29.Rh5 ef2 30.Re5?? Qh4-+31.Ra7 Qh1 32.Kf2+= g3 33.Kf3 Nf5?? 34.Rf5+- Rf5 35.Qf5 Qd1 36.Kf4 Qd2 37.Kg3 Re3 38.Kh2 Rh3 39.Qh3 Qf4 40.Qg3 (40.Qg3 Qg3 41.Kg3 Kf8 42.Kf4 Ke8 43.Rh7 Kf8 44.Rg7 Ke8 45.h7 Kf8 46.h8Q) 1–0. Martinez,Jorge Alexander (2175) – Geurts,Harrie Tulio (1785), Medellin COL, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4)

    7.d4 Bd7 8.Bd3 Nc6 9.Ne2 a6 10.0-0 g6 11.Ra2 Rc8 12.f4 Na7 13.Qe1 Nb5 14.g4 Ne7 15.Be3 Bg7 16.Bf2 0-0 17.Bh4 f6 18.Ng3 Qb6 19.Raf2 Rce8 20.Ne2 (20.ef6 Bf6 21.Bf6 Rf6+=) 20...Qa5 21.Nc1 Qc7 22.Rf3 Qb6 (22...f5 23.Be7 Re7 24.gf5 ef5 25.Qh4-/+) 23.Kh1 Nc6 24.Bf2 Na5 25.Rh3 Qc7 26.Be3 f5 27.Qh4 Kf7 28.gf5 (28.Qh7?? A) 28...Nc3 29.Rh6 Rg8 30.gf5 (worse is 30.Rg6 Nc4 31.gf5 Ne3+-) 30...gf5 31.Rg1+-; B) 28...Rh8-+) 28...ef5 (28...gf5? 29.Qh5 Ke7 30.Qg5 Bf6 31.Rh7 Kd8 32.ef6+-; 28...Nc3?? 29.fg6 hg6 30.Bg6 Kg6 31.Qh5) 29.Rg1 (29.Qh7?? Rh8 (29...Nc3 30.Rg1 Qc6 31.Rh6+-) 30.Qh8 Rh8 31.Rh8 Bh8-+) 29...Rh8 30.Qe1 Bf8 31.Qg3 Qb6 32.Bc2 Be7 33.Nd3 Qe6 34.Ne1 Rc8 35.Bc1 Nc4 36.Rh5 Rcg8 37.Rh3 a5 38.Nf3 Nc7 39.Ng5+= Bg5 40.Qg5 b5 41.Nd2 Nd2 42.Bd2 Qe7 43.Qg2 Be6 44.Be1 Ne8 45.Bh4 Qd7 46.Re3 Ng7 47.Bf6 Rb8 48.Qh3 Qe8 49.Qh6 Qf8 50.Qg5 Rg8 51.Rh3 Rh8 52.Rh6 Rb7 53.Rg3 Ke8 54.Rgh3 Qg8? 55.Bd1 0–1. Zala,G (2020) – Czibulka,Z (2080), FSFMA October, 2010. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Bf8)

    7.d4 Ne7 8.Qa4 Nbc6 9.Na3 Ng6 10.Nb5 a6 11.Bg5 Qd7 12.Nf3 (12.Qb3 h6 13.Be3 Qd8-/+) 12...h6 13.Bc1 Be7 (better is 13...Rb8!? 14.Nd6 Bd6 15.ed6 Qd6-+) 14.Ba3+= 0-0 15.Be7 Qe7 16.Nd6 Bd7 17.Qb3 Rfb8 18.c4 (18.Qc2!?+=) 18...dc4-/+ 19.Qc4 f6 20.g3? (better is 20.Qc5-/+) 20...fe5-+ 21.Bd3 Qd6 22.Bg6 ed4 23.0-0 Ne5 (23...Ne7!? 24.Bd3 Bb5 25.Qb3 Bd3 26.Qd3-+) 24.Ne5 Qe5 25.Rfe1 Qf6 26.Qd3 Rf8 27.Ra2 Bb5 28.Qe4 Bc4 29.Rd2 Bd5 30.Qd3 Qf3 (30...e5!? 31.Be4 Rad8 32.Rf1-+) 31.Qf3 Rf3 32.Rd4 Rf6 33.Be4 Be4 34.Rde4 Kf7 35.Rb1 b5 36.Rd4 Ra7 37.Rbd1 e5 38.Rd7 Rd7 39.Rd7 Kg6 40.Re7 Rb6 41.Re5 b4 42.Re2 b3 0–1. Ward,Bill (1675) – Maunder,Chris, GB/TT1/D3 (ENG), 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4)

    7.d4 Ne7 8.Bd3 Nbc6 9.f4 Nf5 10.Nf3 Be7 11.0-0 0-0 12.Ra2 a5 13.g4 Nh4?? (better is 13...Nh6+=) 14.f5?? (better is 14.Nh4 Bh4 15.g5 Nd4 16.cd4+-) 14...ef5 (14...Nf3 15.Qf3 f6 16.ef6 Bf6-/+ (worse is 16...Rf6 17.g5 Rf5 18.Bf5 ef5 19.Qh5+=)) 15.Nh4+= Bh4 16.gf5 Bg5?? (better is 16...f6 17.e6 Bg5=) 17.f6+- Bc1 18.Qc1 gf6?? (better is 18...Ne7 19.fe7 Qe7+-) 19.Rg2 (19.Rg2 Bg4 20.Rg4 Kh8 21.Qh6 fe5 22.Qh7) 1–0. Tatlow,Stephen – Frankson,F, corr, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4)

    7.d4 f6 8.f4 (8.Bd3 Qc7=) 8...fe5 9.fe5 (9.Qh5 g6 10.Qe5 Nf6=+) 9...Qh4 10.Ke2 Nh6 11.Nf3 Qh5 12.g3 (12.Na3!? Nc6 13.Nb5=) 12...Be7-/+ 13.Bg2 (13.Ke1 0-0 14.Be2 Nc6-/+) 13...0-0 14.Ke1 Nc6 15.Ra2 (15.Rf1 Nf5-/+) 15...b6 16.h3 (16.Ba3 Nf5 17.Qd2 Qg6 18.Be7 Nce7-/+) 16...Qg6 17.Bh6 (17.Bf4 a6-/+) 17...Qg3-+ 18.Rf2? (18.Kf1 gh6 19.Rg1 Kh8-+) 18...gh6 (better 18...Bh4!? 19.Rhf1 Ba6 20.Nh4 Bf1 21.Qd2-+) 19.Bf1 (19.Qd2 Ba6 20.Qh6 Nb4 21.cb4 Bb4 22.Nbd2 Rac8-+) 19...Kh8 (19...Bh4 20.Rg1 Qg1 21.Ng1 Bf2 22.Kd2-+) 20.h4 (20.Rg1 Qf4 21.Rfg2 Bb7-/+ (21...Qf3?? 22.Qf3 Bh4 23.Kd1+-)) 20...Bd7 (20...Nd4!? 21.cd4 Bb4 22.Nbd2 Bd2 23.Qd2 Rf3 24.Rh3 Qf2 25.Qf2 Rf2 26.Kf2-+) 21.Nbd2 Na5 (21...b5 22.Rh3 Qf4 23.Bb5 Qe3 24.Qe2 Qc3 25.Bc6 Bc6 26.Kf1-+) 22.Rhh2 (better 22.Ba6!?-/+) 22...Rac8-+ 23.Be2 (23.Qc2 Qf4 24.Kd1 Bb4-/+) 23...Rc3 24.Rhg2 Qf4 25.Ng5 Qh4 (25...Bg5 26.hg5 Qh4 27.Nf3 Rff3 28.Bf3-+; 25...Qd4?? 26.Rf8 Bf8 27.Nf7) 26.Ndf3 (26.Ngf3 Qf4 27.Ng5 Qf2 28.Rf2 Rf2 29.Kf2 hg5-+) 26...Qh1 (26...hg5 27.Nh4 gh4 28.Rf8 Bf8 29.Bd3+-; 26...Bg5 27.Nh4 Bh4 28.Kd2 Rf2 29.Rf2 Bf2 30.Kc3=) 27.Rg1 Qh5 (27...Bb4 28.Kf1 Qh5 29.Qb1 hg5 30.Qb4 Rff3 31.Bf3 Rf3 32.Rg3 Bb5 33.Kg2 Rf2 34.Kf2 Qe2 35.Kg1 Qf1 36.Kh2-+) 28.Nh7 (28.Nh2 Re3 29.Ngf3 Bb5-+) 28...Rcf3 29.Bf3 (29.Nf8 Bb4 30.Kf1 Qh3 31.Rgg2 Rf8 32.Rf8 Bf8-+) 29...Bb4 30.Kf1 Bb5 31.Be2 Be2 (31...Kh7 32.Qb1 Kh8 33.Rf8 Bf8 34.Qb5 Qf5 35.Ke1=+) 32.Qe2 Qe2 33.Ke2 Rf2 34.Kf2 Kh7 35.Ke3 Be7 0–1. Zala,Gyula (2000) – Atnilov,Boris (2075), FSFMA, 2011. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Bf8)

    7.d4 g6 8.Bd3 Bg7 9.Ra2 Ne7 10.f4 h5 11.Nf3 Nbc6 12.0-0 b6 13.Na3 Na5 14.Nd2 Kf8 15.Nb3 Nec6 16.Na1 Kg8 17.g3 a6 18.h3 b5 19.N3c2 Nc4 20.Nb3 N6a5 21.Na5 Na5 22.Ne3 Nc4 23.Rg2 a5 24.Qf3 Ra6 25.g4 hg4 26.hg4 Qh4 27.f5 Qh3 28.fg6= Qf3 29.Rf3 fg6 30.Bg6 Ra7 31.Rgf2 Rh4 32.Bf7 Kh8 33.Bh5 Bh6 34.Nc4 Bc1 35.Nd6 Ba6 36.Rf8 Kh7 37.R8f7 Rf7 38.Rf7 Kg8 39.Ra7 b4 40.Ne8?? Be3 41.Kg2 Rh5? 42.gh5 bc3+= 43.Nf6 Kf8 44.Ra6 c2 45.Rc6 c1Q 46.Rc1 Bc1 47.Nd7 Kf7 48.Nc5 Be3 49.h6? Bd4-+ (49...Bd4 50.h7 Be5-+; 49...Bh6?! 50.Kf3-+) 0–1. Zala,G (2020) – Dombai,I (2160), Medosz Hotel, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5 5.e5 Bb4)

    4.e5 Bf5

    5.ab4 Nc6 6.c3 Ne5 7.Nf3 -/+.

    5.d4 e6 6.ab4 Bb4 7.c3 Bb1 8.cb4=+ Bg6 9.Bb5 Nd7 10.Ne2 a6 11.Bd7 Qd7 12.Nc3 Rc8 13.Bb2 Rc4 14.b5=+ Qc8 15.ba6 ba6 16.0-0 Ne7 17.Qb3 0-0 18.Rfc1 Nc6 19.Ne2 Rb4 20.Qc3 Qb7 21.Qc6 Qc6 22.Rc6 Rb2 23.Nf4 a5 24.Ra6 Rb4 25.Ng6 hg6 26.R6a5 Rd4 27.R5a4 Ra4 28.Ra4 Rc8 29.g3 Kf8 30.f4 Rc2 31.Ra8 Ke7 32.Ra7 Ke8 33.h4 d4 34.Ra8 Kd7 35.Ra7 Ke8 ½–½. Bosi,C (2080) – Coladangelo,A (1780), ch–ITA U20, Fiuggi ITA, 2007.

    5.d4 e6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Bg6 9.Ne2 Nc6 10.0-0 a6 11.Na3 Rc8 12.Nc2 Qc7 13.Ne3 Nh6 14.f4 Nf5 15.Bf5 Bf5 16.g4 Be4-/+ 17.Ng3 0-0 18.Ne4 de4 19.f5 f6 20.Qb3 Nd8?? 21.fe6+/- fe5 22.Rf8 Kf8= 23.Ba3 Ba3 24.Rf1 Ke8-/+ 25.Qa3 Qe7 26.Qa4+/- b5 27.Qa6+- Qe6? 28.Qb5 Qd7 29.Rf8!! Ke7 30.Qb4 (30.Qb4 Ke6 31.d5 Qd5 32.Re8 Kf6 33.Nd5 Kg6 34.Qe4 Kf7 35.Qe5 Rc7 36.Rd8 Rc3 37.Qf5) 1–0. Dorn,Max – Emden,Hermann, AUT–SUI m Innsbruck, 1953.

    5.d4 e6 6.Nf3 Nc6 7.Bd3 Bg6 8.ab4 Bd3 9.Qd3 Nb4 10.Qe2 Ne7 11.c3 Nbc6 12.Ba3 Ng6 13.g3 Ba3 14.Na3 a6 15.0-0 0-0 16.Rfb1 b5 17.Nc2 Qc7 18.Ra3 Rfb8 19.Nfe1 Nf8 20.Nd3 Nd7 21.f4 Ne7 22.g4 Nc8 23.Ne3 Ncb6 24.f5 Nc4 25.Rab3 Qd8 26.Ng2 Rc8 27.Ndf4 Qb6 28.Kh1 Nf8 29.f6 g6 30.Qe1 Nd7 31.Nh3 Qd8 32.Qh4 Qf8 33.Rd1 Rab8 34.Ngf4=+ a5?? 35.Rdb1?? Nd2 36.Ng5+= h6? 37.Nge6!+- fe6 38.Ne6?? Qf7-+ 39.Qh6 Ne4?? 40.Nf4= Nf8 41.g5 Rc6 42.c4 dc4= 43.Rf3?? Re8?? 44.d5+/- Re5 45.dc6 Rc5 46.h4 c3 47.h5 Qh7? 48.Qh7+- Kh7 49.hg6 Kg8 50.g7 Rc6 1–0. Beltran,Horacio – Fama,Ariel, Pan American–ch, 1997.

    5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Nd4 Bg6 9.h4 h5 (worse is 9...Bh4 10.Bb5 Nd7 11.Bd7 Kd7 12.Qa4 Kc8 13.Nb5+=) 10.Qb3 Qd7 (10...Nd7!?-/+) 11.Bb5= Nc6 12.c4 (12.Qa4!? Rc8 13.Qa7 Na7 14.Bd7 Kd7 15.Ra7+=) 12...Bc5 13.Nf3 Nge7 14.d4 Bb4 15.Nbd2 dc4 16.Qc4 Nd5 17.0-0 0-0 18.Nb3 Rfc8 19.Nc5 Qc7 20.Ba3 Ba3 21.Ra3 a6 (better is 21...Nd4!? 22.Qd4 Qc5-+) 22.Bc6-/+ Qc6 (worse is 22...bc6 23.Ra6 Nb6 24.Qe2+=) 23.Qb3 Rc7 24.Rfa1 Nb6 25.Ng5 Bf5 26.Nd3 Nc4-+ 27.R3a2 Bd3 28.Qd3+= g6 29.Ne4 Kg7 30.Qf3 b5 31.Qf6 Kg8 32.Qf4 a5 33.Re2 Kg7 34.Qf6 Kh7 35.g4 Rh8 36.gh5+- Kg8 37.hg6 fg6 38.Ng5 Rh4?? 39.f3 Qe8+= 40.Ne6 Rch7 41.Rg2 Rh1 42.Kf2 R1h2 43.Rag1 Nb2 44.Kf1 Rg2 45.Rg2 Rh1 46.Ke2 Re1 47.Ke1 Nd3 48.Kd2 (48.Kd2 Qf7 49.Qd8 Qf8 50.Qf8 Kh7 51.Rh2) 1–0. Vastrukhin,Oleg (2300) – Liutikov,Kirill, Doroshkevich Memorial op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Bf5)

    5.g4? Qc7-+ 6.Bb5 Nd7 7.gf5? Qe5 8.Qe2 Qa1 9.Bd7 Kd8 10.Qb5 Qb1 11.Qb7 Qc1 12.Ke2 Qc2 13.Bc6 Qe4 14.Kf1 Nf6 15.Qa8 Kc7 16.Bb5 Kd6 17.d4+- Kc7 18.Qa7 Kc8 19.Ba6 Kd8 20.Qb8 (20.Qb8 Kd7 21.Bb5) 1–0. Vekemans,D (2010) – Clement,N (2145), 18th Touraine Open, 2003.

    5.ab4 Qc7

    6.Bb2 e6 -/+.

    6.Bb5 Nd7 7.Bd7 Qd7 (7...Kd7 8.Qe2 Bc2 9.e6 fe6 10.Nc3-/+) 8.d4 e6 9.c3 Ne7 10.Ne2 Nc8 11.0-0 Be7 12.Nd2 Nb6 13.Nb3 Nc4 14.Nf4 h6 15.Nh5 0-0 16.Ng3 Bh7 17.Qg4 Kh8 18.f4 f6 19.Nh5 Rf7 20.Nc5 (20.ef6!? gf6 21.Ng3+=) 20...Bc5+= 21.bc5 fe5 22.fe5 Rf1 23.Kf1 Rf8 24.Ke1 Qf7 25.Qe2 a6 26.Ng3 Qg6 27.Be3 Ne3 28.Qe3 Qc2 29.Rc1 (29.Ne2!?=) 29...Qg2+= 30.c4?? (better is 30.Qe2 Qg1 31.Kd2+=) 30...Rf3-+ (30...Qh2?! 31.cd5 Qg2 32.Ne2 Rf1 33.Kd2 Rc1 34.Kc1 Qd5 35.Nf4-+) 31.Qe2 Qg1 32.Nf1 Rb3 33.cd5-/+ ed5 34.Qf2 Qf2 35.Kf2 Bf5 36.Ne3 Be6 37.c6+/- bc6 38.Rc6 Rb2 39.Kg3 Rb3 40.Kf4 g5 41.Kf3 Bf7 42.Rh6+/- Kg7 43.Ra6 Bh5 44.Kf2 Rb2 45.Kg1 Rb1 46.Nf1 Be2= 47.Rf6 Rd1 48.Rf2 Bf1 49.Rf1 Rd4 50.Rf5 Kg6 51.Rf6 Kh5 52.Rd6 Kg4 53.e6 Kf3 54.h3 Kg3 55.Kf1 Kh3 56.e7 Rf4 57.Kg1 Re4 58.Rd5 ½–½. Burnham,Frank (1790) – Ditmas,Hugh G (2010), London ENG, 4th Classic Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Bf5)

    6.Bb5 Nd7 7.Nf3 e6 (7...Bc2!? 8.Bd7 Kd7 9.e6 fe6-/+) 8.c3= Prevents intrusion on b4 8...Ne7 (8...Bg4 9.d4=) 9.0-0 (9.d3 a6=) 9...Nc6 (9...Bb1 10.Rb1 Nc6 11.d4=) 10.d4 (10.Bc6 Qc6 11.Nd4 Qc4 12.Nf5 ef5+=) 10...Be7 (10...a6 11.Ba4=) 11.Bf4 (11.Bd3 Bd3 12.Qd3 h6=) 11...0-0 12.Nbd2 (12.Bd3 Bg4=) 12...Rfc8 13.Re1 Nf8 14.Nf1 a5 15.ba5 Na5 16.Bd2 h6 17.h3 Bh7 18.Ne3 Qb6 19.Ba4 Nc4 20.Nc4 Rc4 21.Bc2 Rcc8 22.Rb1 Qc6 23.Bh7 Nh7 24.Qc2 b5 25.Qb3 Rab8 26.h4 Qc4 27.g3 Nf8 28.Kg2 Nd7 29.Qd1 Nb6 30.Nh2 Na4 31.Re3 Nb6 32.Ng4 b4 33.cb4?? Qd4-/+ 34.Kh2?? Nc4 35.Re2 Bb4 36.Bb4 Qd1 37.Rd1-/+ Rb4 38.Kg2 Ra8 39.Kh3 Ra3 40.Rf1 h5 41.Nh2 d4 42.Rd1 d3 43.Re4 Nb2 44.Rb4 Nd1 45.Kg2 Ra2 46.Rf4 d2 47.Nf1 Nf2! 48.Nd2 Nd3 (48...Nd3 49.Re4 Rd2 50.Kf3 Nc5-+; 48...Rd2?! is not possible 49.Rf2 Rd1 50.Kf3-/+) 0–1. Vogiatzis,Dimitrios (1925) – Heumann,Joern (2090), Regionalliga NO, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Bf5)

    6.Bb5 Kd8 7.Ra2 e6 8.Nf3 =.

    6.d4 Qc2 7.Qc2= Bc2 8.Na3 Bf5 9.Nb5 Kd7 10.e6 Be6 11.Na7 Nh6 (11...Ke8 12.b5-/+) 12.Nf3 (12.Bb5 Kc7=) 12...f6 (better is 12...Ke8+=) 13.Bb5+/- Nc6 (13...Kc7 14.Bf4 Kb6 15.Nc8 Bc8 16.Ra8 Kb5 17.Rb8 e5 18.de5 fe5 19.Be5 Bb4 20.Ke2 Nf7 21.Bg7 Re8 22.Kd1 Kc4+/-) 14.0-0 (better is 14.Ra5!?+-) 14...Nf7 15.Bf4 g5 16.Bg3 ½–½. Schmidt,Wolfgang (2290) – Kreuzer,Klaus (1995), Niederbayernliga, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Bf5)

    6.d4 Bc2!? 7.Bb5 Nd7 -/+.

    3.a3 d6

    4.ab4 g6 5.d4 Bg7 6.Bd3 Nf6 7.Ne2 0-0 8.0-0 a5 9.Bd2 Nc6 10.b5+/- Nb8 11.Qe1 b6+= 12.c3 Bb7 13.f3 Nbd7 14.g4 Qc7 15.h4 Kh8 16.Ng3 e5 17.h5 gh5 18.g5 Ne8 19.Nh5 Rg8 20.Qh4 Nf8 21.Kf2 Ng6 22.Qh2 f6 23.Rh1 Qe7?? 24.Nf4 Bf8+= 25.Ne6 Bc8 26.gf6 Nf6 27.Bg5 Ra7 28.Nf8 Rf8 29.Ke2 Qf7 30.Nd2 Ne8 31.Bh6 Nf4 32.Ke3 ed4? 33.cd4+- Nd3 34.Kd3 Rg8+/- 35.Bf4 Qd7 36.Rhb1 Rg6 37.Nc4 Rb7 38.d5 Qh3? 39.Qb2 Kg8+/- 40.Ke3 Bg4 41.Qf2 Bc8 42.Rh1 Qd7 43.Rag1 Qb5 44.Rg6 hg6 45.Qh4 Rg7 46.Qh8 Kf7 47.Nd6 Nd6 48.Bd6 Qe8 49.Qh2 Qd8 50.Be5 Rg8 51.Qf4 Ke8 52.Bf6 Qd7 53.Qe5 Kf8 54.Rc1 Rg7 55.Bg7 (55.Bg7 Kg8 56.Bh6 Qc7 57.Rc7 b5 58.Qe8) 1–0. Spindelberger,Paul (1975) – Strasser,Josef (1715), Wattens op (3), 1998.

    4.Bc4 ba3 A) 5.Nc3 A1) 5...Nf6 6.Nf3 a6 7.Ra3 e6 8.Ra1 d5 9.ed5; A2) 5...Qc7 6.d3 e6 7.Nf3 a6 8.Ra3 d5 9.ed5; A3) 5...e6 6.Ba3 Nf6 7.Nf3 Be7 8.0-0 Nc6 9.Re1; A4) 5...Nc6 6.Nf3 Nf6 7.Ba3 Bg4 8.h3 Bh5 9.g4; A5) 5...g6 6.Ra3 Bg7 7.Nf3 Nf6 8.d4 0-0 9.0-0; A6) 5...a6 6.Ba3 Qc7 7.Bb3 Nf6 8.Bb2 e6 9.Nge2; B) 5.Nf3 B1) 5...Nc6 6.Nc3 Nf6 7.Ba3 Bg4 8.h3 Bh5 9.Bb2; B2) 5...Nf6 6.Nc3 Nc6 7.Ba3 Bg4 8.h3 Bh5 9.0-0.

    4.d4 e6 5.Nf3 Be7 6.Bd3 Nd7 7.ab4 Qc7 8.0-0 Ngf6 9.Re1 0-0 10.Na3 a6 11.Bf4 e5 12.Bg3 Rb8 13.b5 ed4 14.e5 de5 15.Ne5 Bd6 16.Nac4 Be5 17.Ne5 Qd8 18.Nd7 Bd7 19.Bb8 Qb8 20.ba6 ba6 21.Ra6 Ng4 22.g3 g6 23.Be4 (23.Qa1!? Ne5 24.Be4 Qc8+-) 23...Qb4 24.Bf3 Nh6 25.Re4 Qb5 (25...Nf5 26.g4 Bc8 27.Ra8+- (27.gf5?! Ba6 28.fg6 hg6+/-)) 26.Rd6?? (better is 26.Be2 Qb7 27.Rd4+-) 26...Nf5+/- 27.Rdd4 Nd4 28.Rd4 Be6 29.h4 Rb8 30.Be2 Qb1 31.Rd8! Kg7 32.Qb1 Rb1 33.Kg2 Rb7 34.Rd2 h5 35.c4 Rc7 36.Rc2 Kf6 37.Kf3 Bg4= 38.Ke3?? Re7-+ 39.Kd3? Bf5 (39...Bf5 40.Kd4 Bc2-+) 0–1. Schettki,Martin – Kirchhoff,Dennis, Ruhrgebiet–ch U18, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d6)

    4.d4 Nf6 5.Nd2 e6 6.ab4 Be7 7.Ngf3 0-0 8.Bd3 Nbd7 9.0-0 b6 10.Re1 Bb7 11.Bb2 Qc7 12.c4 e5 13.d5 a6 14.Nh4 Rac8 15.Nf5 Rfe8 16.Qf3 Nf8 17.Qg3 Ng6 18.Bc1 Bf8 19.Nb3 Nd7 20.h4 f6 21.Be2 Ne7 22.Nh6 Kh8 23.Nf7 Kg8 24.Bh5 (better is 24.Qh3!? Nd5 25.cd5 (25.ed5?! Kf7 26.Bg4 Re7=) 25...Kf7 26.Be3+/-) 24...g6+= 25.Nh6 Bh6 26.Bh6 Kh8 27.Be2 f5 28.Nd2 Nf6 29.h5 Rg8 30.Qg5 Ne8 (30...Ne4?? 31.Ne4 Rcf8 32.Bf8 Rf8 33.Qh6+-) 31.Qh4 fe4 32.hg6 Rg6 33.Bg4 Rd8 34.Re4 Nf6+= 35.Bg5 Ng4 36.Rg4 Nf5?? 37.Bf6+- Rf6 38.Qf6 Ng7 39.Rg7! Qg7 40.Qd8 Qg8 41.Qg8 Kg8 42.Ne4 1–0. Polert,Annika – Sabirov,Ramil, GER–chT U12 Leipzig, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d6)

    4.d4 Nf6 5.Bd3 g6 6.ab4 Bg7 7.c3 Nbd7 8.f4 b6 9.Nf3 Bb7 10.Qe2 0-0 11.0-0 Nb8 12.Bd2 Nc6 13.Na3 e6 14.e5 Ne8 15.Nb5 a6 16.Na3 f5 17.ef6! Nf6 (17...Qf6 18.f5 Combination; 17...Nf6 18.Qe6 Discovered attack; 17...Rf6 18.f5 Combination; 17...Bf6 18.Qe6 Discovered attack) 18.Nc4 (better is 18.b5 Nb8 19.ba6 Ba6 20.Qe6 Kh8 21.Nb5 Bb5 22.Bb5 (22.Ra8 Bd3 23.Re1 Qc7+=) 22...Ra1 23.Ra1+-) 18...Nd5?? (18...Re8!?+=) 19.Ng5 (better is 19.Qe6 Kh8 20.Qd5+-) 19...Qd7 (19...Nd4 20.cd4 Bd4 21.Kh1 Qe7 22.Qe6 Qe6 23.Ne6 Ba1 24.Nf8 Kf8 25.Nd6 Bc3 26.Bc3 Nc3 27.Nb7 Nd5+-) 20.Qe6+- Qe6 21.Ne6 Rf6 22.Ng7 Kg7 23.f5 (better is 23.Be4!? Nc7 24.Nb6+-) 23...b5 24.Nb2 Raf8 25.Bg5 R6f7 26.fg6 Rf1 27.Rf1 Rf1 28.Kf1 Nc3 29.gh7 Nd4?? (better is 29...Nd5+-) 30.Bf6! Kf6 31.h8Q Ke6 32.Qd4 Nd5 33.Be4 1–0. Bradley,Alan – Navarro Vallejo,Jonathan, Dos Hermanas Internet qual–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d6)

    4.ab4 Qb6

    5.c3 Nf6 6.d3 e5 7.Be3 Qc7 8.Ra7 Ra7 9.Ba7 Nc6 (9...Nbd7 10.Be3+=) 10.Be3+/- Be7 11.Be2 0-0 12.Nf3 Bg4 (12...d5 13.b5 Nd8 14.b6+/-) 13.0-0 Ra8 14.h3 Bd7 15.Ne1 (15.b5!? Nd8 16.c4+/-) 15...b5 16.g4 Be6 17.f4 Ra1 18.f5 (18.Nf3!?+=) 18...Ba2= 19.g5 Nd7 (19...Bb1? 20.gf6 Bf6 21.Nc2 Bc2 22.Qa1+- (22.Qc2?! Nd4 23.Bd4 Rf1 24.Bf1 ed4=)) 20.Qc2? (better is 20.Qd2 Bb1 21.Nc2 Bc2 22.Ra1=) 20...Bb1-+ (20...Rb1?? 21.Qa2 Re1 22.Re1+-) 21.Qb3 Nb6 22.Bh5 (22.Ng2 Na4-/+) 22...Bf8 (better is 22...d5!?-/+) 23.g6+= Kh8 24.gh7? Na4-+ 25.f6 Ba2 26.fg7 Bg7 27.Qc2 Nb4?? 28.Qg2?? Nc3-+ 29.Bh6 f6 30.Qg6 Qe7 31.Kh2? Be6?? 32.Bg7?? Qg7-+ 33.Qe8 Kh7 34.Qe6 Kh6?? 35.Rf6 Kh5 36.Qf5 Qg5 37.Qf3 Kh4 38.Rh6!! (38.Rh6 Qh6 39.Qg4) 1–0. Alshourfaa,Hazaa (1710) – Cosaian,Basir, Kuwait KUW, 3rd TEC Open, 2014. (=1.e4 c5 2.a3 d6 3.b4 cb4)

    5.Nc3 Nf6 6.Nf3 Qb4 7.Bb5 Bd7? (better is 7...Nc6 8.Ba3 Qa5 9.Bd6 Qb6+/-) 8.Ra4+- (8.Ra4 Qc5 9.Rc4 Qb5 10.Nb5 Bb5 11.Rb4+-) 1–0. Busson,Benoist (2090) – Metras,Dominique (2025), Provence–ch, 2004. (=1.e4 c5 2.a3 d6 3.b4 cb4)

    4.ab4 e6

    5.Bb2 Nf6 6.d3 Be7 7.g3 (7.Nf3 0-0=) 7...0-0=+ 8.Bg2 Qc7 9.Ne2 Nbd7 (9...d5 10.Bf6 Bf6 11.c3=) 10.h4 (10.0-0 e5=) 10...a6 11.h5 h6 12.Nd2 Rb8 (12...d5 13.c3=+) 13.Nc4 b6 (13...Re8 14.Nd2=+) 14.Qd2 Bb7 (14...d5 15.ed5 Nd5 16.Bd5 ed5 17.Ne3=+) 15.f4 (15.Ne3!?=) 15...d5-/+ 16.Ne5 (16.ed5 Nd5 17.Bd5 ed5-/+) 16...de4 17.Nd7 Qd7 18.0-0 ed3 19.cd3 (19.Qd3 Qd3 20.cd3 Bg2 21.Kg2 Nd5-+ (21...Nh5?! 22.Ra6 Bb4 23.Be5=+)) 19...Nh5 (19...Bg2 20.Kg2 Nd5 21.Ba3-+) 20.Bh3 White prepares the advance f5 (20.Bb7 Qb7 21.Be5 Rbd8-+) 20...Qc6 (20...Qd5 21.Kh2-+) 21.Kh2 Rbd8 (21...Qb5!? 22.Bc3-+) 22.Nd4 White plans f5 22...Qd7 23.f5? (23.Qe2 g6 24.b5 ab5 25.Ra7-+) 23...e5 (better 23...Ng3 24.Rf4 Qd6 25.fe6 Nh5-+) 24.f6= Bb4 25.Qb4 Qd5? (25...Qd6!? 26.Qd6 Rd6+=) 26.fg7 (better 26.Nf5!? Qc5 27.Qc5 bc5 28.fg7 Ng7 29.Nh6 (29.Be5?! Nf5 30.Bf5 Rfe8+/-) 29...Kh7 30.Nf7 Rd3 31.Be5 Rd2 32.Kg1+-) 26...Ng7+= 27.Nf5 Nf5 28.Rf5 Qd3 29.Raf1 (better 29.Qg4 Kh7 30.Be5 Qd2 31.Kg1 Qe3 32.Kf1 Qd3 33.Kf2 Qd2 34.Qe2 Qe2 35.Ke2=) 29...Rd6?? (better 29...Qd2!? 30.Qd2 Rd2 31.R5f2 Rf2 32.Rf2 f6=) 30.Be5 (better 30.Qg4 Kh8 31.Be5 f6 32.Rf6 Rff6 33.Rf6 Qg3 34.Kg3 Rf6 35.Bf6 Kh7 36.Qg7) 30...Rg6?? Attacks the isolani on g3 (better 30...Qd2 31.Qd2 Rd2 32.Kg1 Bc8+=) 31.Qf8!! Kf8 (31...Kf8 32.Rf7 Mate attack) 32.Rf7 Ke8 33.Rf8 Ke7 34.R1f7 1-0. Gschnitzer,Adrian (2410) - Gosh,C (2060), Titled Tuesday, 2021. (=1.e4 c5 2.a3 d6 3.b4 cb4)

    5.b5 Be7 6.Nc3 Nf6 7.Nf3 Nbd7 (7...0-0 8.Bd3+=) 8.Bc4 (8.d4 d5 9.ed5 ed5+=) 8...0-0 9.0-0 b6 (9...Nc5 10.Qe2 Nce4 11.Ne4 Ne4 12.Qe4 d5=) 10.Ra4 (10.Qe2!?+=) 10...Bb7 (10...Nc5 11.Ra2 Nfe4 12.Ne4 Ne4 13.Bb2=+) 11.Re1 (11.Bd3!?=) 11...Nc5=+ Will e4 fall? 12.Ra3 (12.Ra1 A) 12...Be4?! 13.d4 Bf3 14.Qf3= (worse 14.gf3 Nb7-/+); B) 12...Nfe4?! 13.Ne4 Ne4 14.Bb2-/+; C) 12...Nce4?! 13.Bb2-/+; D) 12...Qc7=+) 12...d5 (12...Nce4!? 13.Ne4 Ne4-/+) 13.ed5= ed5 14.Bf1 Nce4 15.Bb2? (better 15.Ra4=) 15...Ba3-+ 16.Ba3 Nc3 17.dc3 d4?? (better 17...Re8-+) 18.Bf8+- Qf8 19.Nd4 (19.cd4!? Qd6+-) 19...Rd8 20.Be2 (20.Qa1 Ra8+/-) 20...Qc5+= 21.Qd3 Qg5 (21...Be4 22.Qe3+=) 22.Bf3+/- Bf3 23.Qf3 (23.Nf3?! Rd3 24.Ng5 Rd5=+) 23...h6 24.h3 Nh5? (better 24...Qc5!?+/-) 25.Nc6 (25.h4!? Qh4 26.Nc6 g6+-) 25...Rf8 26.Ne7 (26.h4 Qb5 27.c4 Qc5+-) 26...Kh8 (26...Kh7 27.c4+-) 27.Nf5 (27.h4 Qc5 28.Qc6 Qa3+-) 27...Nf4 28.Ng3 (28.Nd4 Ng6+-) 28...h5 (28...Qf6!? 29.Kh2 Rd8+/-) 29.Re4+- Ne6?? (29...Nd5 30.Nh5 (30.Qh5?! Qh5 31.Nh5 Nc3=) 30...Nc3 31.Qc3 Qh5 32.Qd3+-) 30.Nh5 (better 30.Re6 g6+-) 30...Qc1 (better 30...Kg8+-) 31.Kh2 Qh6 32.Ng3?? (better 32.Ra4+-) 32...Ng5= 33.Qe3 (33.Qf5 Ne4 34.Ne4 Kg8=) 33...Ne4=+ 34.Qe4 (34.Ne4? Qe3 35.fe3 Re8-+) 34...f5 (34...Qf6 35.Qe3=+) 35.Qe7 (35.Nf5 Qg6 36.Ng3 Qe4 37.Ne4 Rd8=) 35...g6 (35...Rc8!?=) 36.Qa7+/- f4 (better 36...Rf6!?+/-) 37.Ne4+- f3 38.Qb6 (better 38.g3!? g5 39.Qe7+-) 38...Qf4+/- 39.Ng3 fg2 40.Kg2 (better 40.Kg1+/-) 40...g5?? (better 40...Qf3 41.Kg1 Qc3=) 41.Qd4 (better 41.Qh6 Kg8 42.Qg6 Kh8+-) 41...Qd4 42.cd4 Rb8?? (42...Rc8 43.Ne4 Rc2 44.Ng5 Kg7+-) 43.c4 Kg7 44.Ne4 Kf7 (44...Kg6 45.f3+-) 45.Kf3 Ke6 46.Ke3 Kf5 47.f3 Ke6 (47...Kg6 48.d5 Kf5 49.Kd4+-) 48.Kd3 (48.Ng5 Kd6+-) 48...Ra8 (48...Rh8 49.Ng5 Kf6 50.Ne4 Ke7 51.b6 Rh3 52.c5+-) 49.c5 Ra3 50.Nc3 Ra1 (50...Rb3 51.Kc4 Rb2 52.d5 Kd7 53.c6 Kc7 54.Kc5+-) 51.b6 Kd7 52.Kc4 Kc6 (52...g4 53.hg4 Kc8+-) 53.d5 Kb7 54.Nb5 (54.Kb5 Kc8 55.c6 Ra3+-) 54...Rc1 (54...Ra4 55.Kd3 Rf4 56.Nd6 Ka6 57.b7 Rf3 58.Kd4+-) 55.Kd4 Rd1 (55...Ka6 56.d6 Kb5 57.b7 Rd1 58.Ke5 Re1 59.Kd5+-) 56.Ke5 Re1 (56...Rh1 57.Nd6 Ka6 58.b7 Re1 59.Kf5+-) 57.Kd6 Rf1 (57...Rc1 58.Nd4 Ra1 59.Ne6+-) 58.Nc7 (58.c6!? Kb6 59.c7 Rc1+-) 58...Rf3 (58...Rh1 59.Ne6 Rb1 60.Nd8 Kc8 61.b7 Kd8 62.c6+-) 59.Ne6 Rc3 (59...Rh3 60.Nd8 Kb8+-) 60.Nd8 Kc8 61.Nc6 (61.c6 g4 62.b7 Kb8 63.hg4 Rc1 64.g5 Rc3 65.g6 Rc4 66.g7 Rb4 67.c7 Ka7 68.c8Q Rb6 69.Kc5 Rb5 70.Kc4 Rc5 71.Kc5 Ka6 72.Qa8) 61...g4 (61...Rh3 62.Ne7 Kb8+-) 62.hg4 Rg3 63.g5! Rg5 64.Ne7 Kb8 (64...Kb7 65.c6 Kb6 66.c7 Kb5 67.c8Q Rg7 68.Qc5 Ka4 69.Qc4 Ka3 70.Qc3 Ka2 71.Qg7 Kb3 72.Nc6 Kc2 73.Qd4 Kb3 74.Qd3 Kb2 75.Nd4 Ka1 76.Qc3 Ka2 77.Qb3 Ka1 78.Nc2) 65.c6 Rh5 (65...Rg2 66.c7 Kb7 67.c8Q Kb6 68.Qc5 Ka6 69.Kc6 Rc2 70.Qc2 Ka5 71.Qe4 Ka6 72.Qa4) 66.c7 (66.c7 Kb7 67.c8Q Kb6 68.Qc6 Ka5 69.Kc5 Rd5 70.Qd5 Ka4 71.Qa2) 1-0. Noonui (2430) - helmutLipfert6, Rated Blitz tournament, lichess.org, 2015. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.a3 d6 3.b4 cb4)

    5.Nc3 Nf6 6.Bb5 Bd7 7.Qe2 a6 8.Bd7 Nbd7 9.b5 ab5 10.Ra8 Qa8 11.Qb5 Be7 12.Nf3 0-0 13.0-0 Nc5 14.d3 Rc8 15.Bd2 Qa6 16.Nd4 Qb5 17.Ncb5 d5 18.e5 Nfd7 19.f4 f6 20.Re1 Bd8 21.Bb4 fe5= 22.fe5 Bc7 23.Nc7+= Rc7 24.Rf1 Rc8 25.g4 Rf8?? 26.Rf8+- (26.Rf8 Kf8 27.Ne6 Kf7 28.Nc5 (< 28.Bc5 Ke6 29.Bb4 Ne5=+) 28...Ne5 29.Nb7 Ng4 30.c4+-) 1–0. gregorgysi (2310) – rar (2120), net–chess.com, 2010.

    5.Nc3 Nf6 6.Nf3 b6 7.Bb5 Nbd7? (7...Bd7 8.Qe2+=) 8.d4?? (better is 8.Bc6 Rb8 9.Ra7+-) 8...Bb7 9.Qe2 Be7 10.Bd3 0-0 11.h4 (11.b5 Qc7 12.Bd2 Rfc8+=) 11...e5 12.d5 Qc7 13.Nb5 Qb8 14.c4 a6 15.Nc3 a5 16.ba5 Ra5 17.Rb1 Qa7 18.Nb5 Qa8 19.h5 Ra1 20.0-0 Rb1= 21.Bb1 Nc5 22.Bg5 Qd8 23.Rd1 h6 24.Bf6 Bf6 25.Ne1 Bg5 26.Nd3 f5 27.Nc5 bc5 28.ef5 Bc8 29.g4 Bf4 30.Kg2 Qg5? 31.Nd6+- Ba6 32.Ne4 Qd8? 33.d6 Qa5 34.d7 Rd8 35.f6 Qb4 36.f7! Kf8 37.Qd3 Bc4? 38.Qd6 Kf7 39.Qg6 Kg8 40.Qe8 Re8 41.de8Q Kh7 42.Nf6 1–0. Evertsson,Kristian (2190) – O'Brien,John, Internet Section, 2004. (=1.e4 c5 2.a3 d6 3.b4 cb4)

    5.d4 Qc7 6.c3+= Nf6 7.Bd3 Be7 8.Ne2 Bd7 9.0-0 0-0 10.f4 Bc6 11.Ng3 g6 12.f5 ef5+= 13.ef5 Kg7 14.Qd2 Ng8 15.c4 b5 16.d5 bc4 17.Be4 Bb5 18.Nc3 Qb6 19.Kh1 Nd7 20.Bb2 Bf6= 21.h4 Ne5=+ 22.h5 g5 23.Bc2 h6 24.Nge4 a6 25.Rae1 Rfe8 26.Rf2 Ra7?? 27.Nb5+- ab5 28.Bd4 Qc7 29.Ba7 Qa7 30.Nd6 Rd8 31.Ne4 Ng4 32.Rfe2 Qd4 33.Nf6 Qd2 34.Rd2 N4f6 35.Bd1 Rd5=+ 36.Rd5 Nd5 37.Re5 Nb4 38.Rb5= Nd3 39.Be2 Nf6 40.Bd3 cd3-/+ 41.Rb3 Ne4 42.Kg1 Nc5 43.Rb2 Ne4 44.Rb8 d2-/+ 45.Rd8 g4 46.Kf1 Kf6 47.Ke2 Kf5 48.Ke3 Nf6 49.Rd2= Nh5 50.Rd8 Ng7 51.Ra8 h5 52.g3 Kg6 53.Ke4 f6 54.Rg8 Kf7 55.Rh8 Kg6 56.Rg8 Kh7 57.Rf8 Kg6 58.Rg8 ½–½. Grajeda,Jose C (2200) – Tawbeh,Muneer (2200), Buenos Aires ol (Men), 1978.

    5.d4 d5 6.ed5 ed5 7.c3 =.

    5.Nf3 Nf6 6.Nc3 Be7 =.

    4.ab4 Nf6

    5.Bb5 Bd7 6.Bd7 Nbd7 7.d3 e6 8.Nf3 Be7 9.0-0 0-0 10.c4 Qb6 11.b5 d5 12.ed5 ed5 13.Be3 Bc5 14.Bc5 Qc5 15.Nbd2 dc4 16.dc4 Nb6 17.Qb3 Rac8 18.h3 Nc4 19.Nc4 Qc4 20.Qc4 Rc4 21.Ra7 Rb8 22.Rfa1 Rcc8 23.Ne5 Re8 24.Nc4 Red8 25.Na5 h6 26.Rb7+- Ra8 27.Kh2 Ne4 28.Nc6 Ra1 29.Nd8 Rb1 30.Rb8 Nf2 31.b6 Ne4 32.h4 h5? 33.b7 Nd6 34.Kg3?? Kh7+= 35.Kf4 f6 36.Ke3 Rb4 37.g3 Kg6 38.Kf2 Rb6 39.Kg1?? Rb3 40.Kg2 Kf5 41.Kf2 Kg4 42.Ne6 Rb7 43.Rb7 Nb7 44.Ng7 Nc5 45.Ke3 Kg3?? 46.Nh5= ½–½. Siwon,Zbigniew (1865) – Szymanowski,Mateusz, MFSzach Chojnice, 2009.

    5.Bb5 Bd7 6.Qe2 Nc6 7.c3 e6 8.Nf3 a6 9.Ba4 Be7 10.d4 Rc8 11.0-0 d5 12.e5 Ne4 13.Nfd2 Nd2 14.Bd2 Na7 15.Qg4 g6 16.Bd7 Qd7 17.Bh6 Nb5 18.Qg3 Qc7 19.Kh1 (19.Bd2!?=) 19...Nc3 20.Nc3 Qc3 21.Rac1 Qg3 22.Rc8 (22.hg3? Kd7 23.Bd2 Rc4 24.Rc4 dc4-+) 22...Kd7 23.fg3 (23.hg3? Rc8 (worse is 23...Kc8 24.b5-+) 24.Rb1 Rc4-+) 23...Rc8 24.Rf7 Ke8 25.Rh7 Rc4 (25...Bb4?! 26.Rb7 a5 27.Rb6=) 26.Rh8 Kd7 27.h4 (27.Rh7 Rd4 28.Kg1 Kd8 (28...Rb4? 29.Bf8+-) 29.Rh8 Kc7=) 27...Bb4 28.Rh7 Kc8 29.Be3 a5 30.g4 a4 31.h5 gh5 32.g5 a3?? (better is 32...Rc3!? 33.Bd2 Rb3 34.Bb4 Rb1 35.Kh2 Rb4 36.Rh5 Rd4+=) 33.Rh8 (33.g6 a2 34.g7 a1Q 35.Kh2+=) 33...Kd7 34.g6 a2 35.g7?? a1Q-+ 36.Kh2 Qe1 37.Bg5?? Rd4 38.Rd8 Kc7 39.g8Q Rh4! 40.Bh4 Qh4 41.Kg1 Bc5 (41...Bc5 42.Kf1 Qf2) 0–1. Sole Benagues,Jordi (1770) – Espartero Porras,Pau (1970), Catalunya–chB, 1996. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Nc3 b6? 6.Bc4 (better 6.e5 de5 7.Qf3+-) 6...Bb7 7.d3 (7.Nf3 e6 (7...Be4?? 8.Ne4 e6 9.Nf6 Qf6 10.Bb5 Kd8 11.d4+-) 8.Bb5 Nbd7+=) 7...g6 (7...e6 8.Bd2=) 8.Rb1 (8.Nf3 Bg7 9.Bb2 Nc6+=) 8...Bg7= 9.Bb5 (9.Nf3 0-0=) 9...Nbd7 10.Nge2 0-0 11.f4 e6 12.0-0 a6 13.Bc4 b5 14.Ba2 a5 15.ba5 Ra5 16.h3 (16.Bc4 Ba6 17.Bb3 b4=+) 16...Qb6-/+ 17.Kh2 Rfa8 18.Bb3 (18.Bd2!?-/+) 18...b4-+ 19.Bc4 (19.Na2 Ra2 20.Ba2 Ra2-/+) 19...Ra1 (better 19...d5 20.e5 dc4 21.ef6 Nf6-+) 20.Bb2-/+ Rb1 21.Nb1 d5 22.Bd4 (22.ed5 Bd5 23.Bd4 Qc7-/+) 22...Qc6 23.Bf6 (23.ed5 Nd5 24.Rf3 Nf4 25.Bg7 Ne2 26.Qe2 Kg7-/+) 23...Nf6-+ (23...dc4?! 24.Bg7 Kg7 25.Nd2=) 24.ed5 Nd5 (worse 24...ed5 25.Bb3-/+) 25.Bd5 Qd5 26.Rg1 Ra1 27.Qe1 Qc5 (better 27...Ra2 28.Qd2 Rb2-+) 28.Ng3? (better 28.c4-+) 28...Bd4 (28...Qc2?! 29.Qb4 Bg2 30.Qb8 Bf8 31.Rg2 Qb1 32.Qd8-+) 29.Rf1 Qc2 30.Ne4 (30.Qe2 b3 31.Nd2 b2-+) 30...Qd3 31.Nd6 (31.Ned2 Be3 32.Qg3 Rb1 33.Rb1 Qd2-+) 31...Bg1! 32.Rg1 (32.Rg1 Qd4 Double attack (32...Qd6 Discovered attack; 32...Qd4 Decoy); 32.Kg1 Qd4 Double attack (32...Qd6 Discovered attack)) 32...Qd6 33.Qe3 Bd5 (33...g5 34.Qe5 Qe5 35.fe5-+) 34.Rc1 (34.Qd4 Ra2 35.Nd2 g5-+) 34...Ra2 35.Rg1 (35.Nd2 Bg2! 36.Kg2 Rd2 37.Kf1 Qd4-+) 35...Qc7 (35...g5 36.Qg3 Qf4 37.h4-+) 36.h4 (36.Nd2-+) 36...h6 37.h5 g5 (worse 37...gh5 38.Qd4 Qc2 39.Qe3-+) 0–1. Jovanovic,Miroslav T (1900) – Stojkovic,Andrija, Serbian Championship Semi–Final, 2016. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Nc3 Qb6 6.b5 Bg4 7.f3 Bd7 8.d4 e6 9.Be3 Qc7 10.Qd2 d5 11.Bf4 Qc8 12.Na4 Qd8 (12...de4? 13.Nb6 e3 14.Be3 ab6 15.Ra8+-) 13.e5 Ng8 14.c4 dc4 15.Bc4 a5 16.Kf2 Bb4 17.Qd3 Ne7 18.Ne2 Bc8 19.Bd2 Bd2 20.Qd2 Nd7 21.Bb3 (better is 21.Qg5 0-0 22.Qh4+=) 21...Ne5+= 22.Nec3 Nd7 23.h4 Nf5 24.d5 Nb6 (24...Nh4 25.de6 fe6 26.Rae1+/-) 25.g4 Nh4 26.Qd4 Na4 27.Qg7 Qb6 28.Kg3? (28.Kf1 Rf8 29.Ba4=) 28...Ng6?? (better is 28...Qc7 29.Kh4 Qc3 30.Qc3 Nc3-+) 29.Ra4+= Qd6 30.Kh3 Qe5 (30...h5 31.Kg2 h4+=) 31.Qe5= Ne5 32.Kg3 Nd3 33.de6 Be6 34.Be6 fe6 35.b6 Nc5 36.Rc4 Na6 37.Ne4 Ke7 38.Rh5 Kd7? (better is 38...Rad8+/-) 39.Rg5+- (39.Ra5?! Rac8 40.Rd4 Ke7+/-) 39...Rab8? (39...Ke8+-) 40.Rg7 (40.Ra5?! Rbc8 41.Rd4 Ke7+/-) 40...Ke8 41.Nd6 (41.Rd4 Rd8 42.Nf6 Kf8 43.Rd8 Kg7 44.Nh5 Kf7 45.Rh8 Ke7 46.Rh7 Kd6+-) 41...Kf8 42.Rd7 a4 (42...Kg8+-) 43.Rf4 Kg8 44.Rff7 (44.Rff7 h5 45.Rg7 Kf8 46.Rdf7; 44.Ra4? Nc5 45.Rb7 Nb7-+ (45...Rb7?! 46.Ra8 Kg7 47.Nb7 Nb7 48.Rh8 Kh8 49.f4-/+)) 1–0. Hrabinska(Yakivchik),Myroslava (2255) – Orel,Karmen (2025), EU–ch U18 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    5.Nc3 Qb6 6.b5 g6 7.Bb2 Be6 (7...Nbd7 8.Nd5 Qd8 9.Qf3+=) 8.Nf3 h6 (8...Bg7 9.Nd5 Bd5 10.Bd4+=) 9.Na4 (9.Nd5 Bd5 10.Bd4 Qd8 11.ed5 Nbd7+-) 9...Qd8+= 10.e5 (10.Bd4 Nbd7+=) 10...de5 11.Ne5 Nbd7 (11...Bg7 12.Nc5 Bd5 13.c4+=) 12.Nd7 Qd7?? (better 12...Bd7 13.Qf3 Qc8+=) 13.Nb6!+- Qd8 (13...ab6 Exploits the pin 14.Ra8) 14.Na8 Qa8 15.b6 a5 (15...a6 16.Bb5! Bd7 17.Bd7 Kd7 18.Bf6 ef6 19.Qg4 Ke8 20.Qa4 Kd8 21.Qd4 Ke8+-) 16.Bb5 Bd7 17.Qe2 Bg7 18.Bd7 Kd7 19.Qb5 Kd8 20.Ra3 Kc8 (20...Qc8 21.Rd3 Nd7 22.Bg7 Rg8+-) 21.Rc3 Kd8 22.Rd3 Kc8 (22...Nd5 23.Rd5 Kc8 24.Qc5 Kb8 25.Qc7) 23.Qc5 (23.Qc5 Kb8 24.Be5) 1–0. Rudolph,Je (1950) – Abele,Anais (1710), 4th HSK Easter Open, 2018. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Nc3 Qb6 6.Nf3 Bg4 7.Bb5 Nbd7 (7...Nc6 8.d3 a6 9.Be3 Qc7 10.Nd5 Nd5 11.ed5 Rb8 12.Ba4 b5=; 7...Kd8 8.d3 (8.Be2 Nc6 9.b5 Bf3 10.Bf3 Nd4 11.Be2 e6 12.Bb2 Ne2+=) 8...e5 9.Bg5 Be7 10.Bc4 Qb4 11.Bd2 Qc5 12.Na4 Qc6+-) 8.d3 (8.h3 Bh5 9.0-0 a6 10.Bd7 Nd7 11.Nd5 Qc6 12.Ra3 Kd8+/-) 8...g6 (8...Bf3 9.Qf3 Qd4 10.Bd2 Rc8 11.0-0 Rc3 12.Bc3 Qc3+=) 9.0-0 (9.Bg5 Kd8 10.Bd7 Nd7 11.Nd5 Qc6 12.c4 f6+/-) 9...Bg7 10.Be3 Qc7 11.Bd7 (11.Ra3 a6 (11...0-0 12.h3 Bf3 13.Qf3 a6 14.Bd7 Nd7+=) 12.Bd7 Bd7+=) 11...Bd7= 12.Qd2 (12.Ne2 a6=) 12...0-0 13.Ra2 (13.Ra7? Ra7 14.Ba7 b6 15.Bb6 Qb6-+; worse is 13.Ba7 Rfc8 14.Ra3 b6-+) 13...Rfc8 14.Ne2 (14.Ra3 e6=) 14...Be6+= 15.c4 b5 16.Nfd4 bc4 17.Ne6 fe6 18.dc4? (better is 18.Rc1 Qb7 19.f3+=) 18...Ne4-+ 19.Qd3 Qc4 20.Qb1 (20.Qc4!? Rc4 21.b5-+) 20...d5 21.Rc1 Qb5 22.f3 Nc3 23.Nc3 Rc3 24.Rc3 Bc3 25.Bc5 (25.Ra7 Ra7 26.Ba7 Bb4-+) 25...Rc8 (25...a5 26.Be7 Rb8 27.Kf2-+) 26.Ra5 (26.Ba7 Ra8 27.Be3 Ra2 28.Qa2 Qb4-+) 26...Qc4 27.Qa2 (27.Ba7 Bb4 28.Ra2-+) 27...Rc5! (27...Rc5 28.Qc4 Rc4-+) 0–1. Boudry,William (1705) – Duda,Daniel, 25th EY BU14, 2015. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Nc3 Nc6 6.b5 Nd4 7.Nge2 Ne2 8.Be2+= e5 9.d4 Qc7 10.Qd3.

    5.Nc3 d5 6.e5 Nfd7 7.e6 fe6 8.Nf3 Qb6 9.Ba3 Nc6 10.b5.

    5.Nc3 Nbd7 6.d4 e6 7.Bb5 a6 8.Bg5 Be7 9.Nf3 0-0 10.Bd3 Qc7 11.Nb5 Qb8 12.Na3 b5 13.0-0 Bb7 14.Re1 h6 15.Bh4 Re8 16.e5 (better is 16.Qd2+=) 16...de5-/+ 17.Ne5 Ne5?? (better is 17...Bb4 18.Nd7 Nd7-/+) 18.de5= Nd5 19.Bg3?? (19.Be7 Re7 20.Qg4 Rd7=) 19...Nc3?? (19...Bb4 20.c4 Be1 21.Qe1-+) 20.Qd2? (better is 20.Qg4=) 20...Bb4-+ 21.Qc1 Nd5 22.Rd1 Qc7 23.Nb1 Qc6 24.Be4 Qc7 25.Rd3?? (25.Bd3 Nc3 26.Rf1-+) 25...Be7 26.f4 Bc5 27.Kh1 Nb4 28.Bb7 Qb7 29.Rf3 Qe4 30.Nd2 Qf5 31.Nb3 Bb6 32.Bf2 Bf2 33.Rf2 Red8 34.Nc5 Rd5 35.Nb3 ½–½. De Pablo,E – Ciscar,M, Zaragoza La Salle op, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    5.Nc3 Nbd7 6.d4 e6 7.Bb5 d5 8.e5 Bb4 9.Bd2 Ng8 10.Qg4 Kf8 11.Nge2 h5 12.Qf3 a6 13.Nf4 Rh6 14.Nh5 Qc7 15.0-0 Bc3 16.Bc3 f6 17.Bd2 Rh8 18.Qg4 (18.Qg4 g5 19.Bd3+-) 1–0. Lovik,Lasse Ostebo (2035) – Ashiku,Franc, EU–ch U14 Herceg Novi, 2006. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Nc3 e6 6.Bb2 Qb6 7.Bb5 (7.Nf3 Be7+=) 7...Bd7 8.Qe2 a6 9.Nf3 e5 (9...Be7 10.0-0+=) 10.0-0 Be7 (10...Bb5 11.Nb5 Nc6 12.c3+=) 11.d4 0-0 12.de5 de5 13.Bd7 (13.Ne5!? Bb5 14.Nb5+-) 13...Nbd7= 14.Nd5 Nd5 15.ed5 f6 16.Ba3 (16.Rfb1 Rac8= (16...Qb4? 17.Ba3 Qb1 18.Rb1 Ba3 19.Rb7+-)) 16...Rac8= (worse is 16...Bb4 17.Rab1 Ba3 18.Rb6 Nb6 19.Nd2+/-) 17.c4 Bb4 18.Rfb1 a5 19.Bb4 ab4 20.Ra4 (20.Nd2 Ra8 21.Qe3 Qe3 22.fe3 Ra3 23.Ra3 ba3 24.Rb7 Rb8 25.Rb8 Nb8-/+) 20...b3-/+ 21.Qd2 (21.Qe1 Nc5 22.Rb4 Qa5-/+) 21...Nc5 22.Rb4 Qa6 (22...Qa5 23.Rb5 Qa2 24.Rf1-/+) 23.Qc3 (better is 23.Qd1!?+=) 23...Qa2-/+ 24.Ra1 Qc2 (24...Qe2!? 25.Rf1 Qc2-/+) 25.Qc2+= bc2 26.Ne1 Na6 27.Rba4 Nc5 28.R4a3 (28.Rb4!?=) 28...Ne4 29.Nc2 Rc4 30.Ne3 Rd4 (30...Rc3 31.Rc3 Nc3 32.Ra7-/+) 31.Nf5 Rd2 32.f3 Ng5 (32...Nc5!?+=) 33.Rb1+= Rb8? (33...g6 34.Ne7 Kg7 35.Rb7+=) 34.Ra7?? (better is 34.h4 Nf3 35.gf3+-) 34...g6= 35.Ne7 Kf8 36.Nc6 Rc8 37.Nb4 Rc7+= 38.h4 Nf7 39.Na6 Rcc2 40.Rbb7= Rg2 41.Kf1 Rgf2 42.Ke1 Rfe2 43.Kd1 ½–½. Barahona Torrijos,A (1870) – Montes De Santiago,F (1830), Madrid ESP, 2014. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Nc3 e6 6.Nf3 b6 7.d4 Bb7 (7...d5 8.Ra4 de4 9.Ne5=) 8.Bd3 (8.d5 Be7+=) 8...Nc6 9.Rb1 Be7 10.0-0 0-0 11.b5 Na5 12.e5 de5 13.de5 Nd5 14.Nd5 Qd5 15.c4 (better is 15.Qe2+=) 15...Qd7?? (better is 15...Nc4 16.Qb3 Rfc8-/+) 16.Bh7!+- (16.Bh7 Kh7 17.Qd7 Bf3 18.Qe7+-) 1–0. Bloemsma,W – Rombouts,Bert, Groningen Harmonie op–C, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    5.Nc3 e6 6.Nf3 Be7 7.Be2 0-0 8.0-0 b6 9.Bb2 Bb7 10.d3 Nbd7 11.Qd2 a6 12.Nd1 b5 13.Ne3 Rc8 14.Nd4 d5 15.ed5+= Nd5 16.Nd5 Bd5 17.Ra6 Ra8 18.Rfa1 Ra6 19.Ra6 Bf6 20.c4 bc4 21.dc4 Bb7 22.Ra2 Ne5 23.Bc3 Qc7 24.c5 Rd8 25.Qe3 Qd7 26.Rd2 Qa4 27.Nb5 Rd2 28.Qd2 Bd5 29.Nd6 Qc6 30.f3 h6 31.Qe3 Nd7? 32.Bb5 Qc7 33.Ne8 Qd8 34.Nf6 Nf6 35.c6 Ne8 36.Qd4 f6 37.Bc4 Nc7 38.b5 e5 39.Bd5 Nd5 40.c7! Qc7 41.Qd5 Kh8 42.Qc6 (42.Qc6 Qd8 43.b6 Qd1 44.Kf2 Qc2 45.Ke3 Qc1 46.Ke4 Qc2 47.Kd5 Qd1 48.Kc5 Qg1 49.Kd6+-) 1–0. Korostenski,F (2205) – Vahala,T (1855), South Bohemia Open, Cesky Krumlov CZE, 2008.

    5.Bc4 Ne4 6.Bf7 Kf7 7.Qh5 g6 8.Qd5= Ke8 9.Qe4 Bg7 10.Nc3 Rf8 11.h4 Qb6 12.Qe7= Ke7 13.Nd5 Ke8 14.Nb6=+ Ba1 15.Na8 Kd7 16.c3 b6 17.Ne2=+ Re8 18.Rh3? Bb7-+ 19.Nb6 ab6 20.g4 Ba6 21.Re3 Re3 22.fe3 Nc6 23.Nf4 Bc4 24.Ba3 Bb3 25.g5 Ne5 26.Kf2 Nc4 27.Bc1-/+ Bb2 28.Bb2=+ Nb2 29.h5 gh5-/+ 30.Nh5 Bc2 31.Ng3 Ke6 32.Ke2 Nd3 33.e4 Ne5 34.Ke3 Nc4 35.Ke2 Ke5 36.d3 Nb2 37.d4 Kf4 38.Nf5 Nc4 (38...Be4?! 39.Nd6 Bd5 40.Ne8-+; 38...Ke4?! 39.Nd6 Kf4 40.d5-+; 38...Kg5?! 39.Nd6 Kf4 40.e5 Bd1 41.Kd2-/+) 0–1. Andrearczyk,P (1920) – Cieplowski,Tomasz, ch–Gdansk, Gdansk Poland, 2007.

    5.d3 Bd7 6.g3 g6 7.c3 Bg7 8.Bg2 Qb6 9.Be3+= Qc7 10.Ne2 a6 11.0-0 0-0 12.h3 Nc6 13.f4 e6 14.g4 Ne8 15.f5 ef5 16.gf5 Nf6 17.Ng3 Rae8 18.h4 d5=+ 19.Bf4 Qb6 20.Kh2 de4-/+ 21.de4 Ne5 22.Bh3 Bb5 23.Be5 Re5 24.Qd4 Qc7 25.Re1 Rd8 26.Qf2 Re4 27.fg6 hg6 28.Na3 Rh4 29.Nb5 Ng4 30.Kg2 Nf2 31.Nc7 Nh3 32.Rad1 Rd1 33.Rd1 Bc3 34.Nd5 Nf4 (34...Nf4 35.Nf4 Rf4-+) 0–1. Lampen,Timo – Lumme,J, FIN–chJ Vantaa, 1991.

    5.d3 e5 6.Nf3 =.

    5.d3 e6 6.c3 Be7 7.Be3 b6 8.h3 Qc7 9.Nf3 0-0 10.Be2 Nbd7 11.0-0 d5 12.ed5 Nd5 13.Bd2 (13.Nd4 a5= (worse 13...Nc3 14.Nc3 Qc3 15.Bf3+-)) 13...Bb7 (13...a5 14.ba5 Ra5 15.Ra5 ba5 16.c4=) 14.Qb3 (14.b5 a5=+) 14...Ne5 (14...a5 15.Na3=+) 15.d4 Nf3 16.Bf3 Nf6 (16...Rfc8 17.Na3 a5 18.ba5 ba5 19.c4=) 17.Bb7 Qb7 18.Na3 Rfc8 19.Rac1 (19.c4 Qd7 20.Qe3 Rd8=) 19...Qd5 20.Qb2 b5 21.Nc2 Ne4 22.Ne3 Qb7 23.Ra1 Nd6 (23...Qc7 24.Ra3=+) 24.Ra2 Nc4 25.Nc4 Rc4 26.Rfa1 h6 27.Ra6 Rc6 28.R6a2 (28.Qa3 Ra6 29.Qa6 Qd5=) 28...a6 29.Qb1 Rc4 30.Qd3 Rc6 (30...Qc6 31.Qg3 Bd6 32.Qg4=) 31.Qf3 Qc8 (31...Bd6 32.Ra3=) 32.Qe2 Qb7 33.Qg4 Kf8 34.f4 (34.Ra5 Rac8=) 34...Rb6 (34...Qd7 35.Rf1=) 35.Rf1 (35.f5 Qd5=) 35...Qe4 36.Qg3 Qd5 37.Raa1 a5 (37...Rc6 38.Rae1=) 38.ba5 (38.Ra5!? Ra5 39.ba5+-) 38...Rba6= 39.Rac1 (39.Qf2!?=) 39...Ra5=+ 40.Rce1 Bf6 (40...Bd6 41.Rf2=+) 41.Kh2 (41.f5 ef5 42.Bf4 Qd7=+) 41...Ra2 42.Re2 Rc2 (42...Kg8 43.Qf3=+) 43.Qe1 (43.f5 Bg5 44.Re5 Qc4+-) 43...Raa2 44.Rff2 Bh4 (44...Kg8 45.Be3 Bh4 46.g3 Re2 47.Re2=+) 45.g3=+ Bf6 (45...Qa8 46.c4 Kg8 47.Be3 Re2 48.Re2=+) 46.f5 Qa8 47.Qf1 (47.Rg2 Ra1 48.Qf2 Qc6=) 47...Ra1 (47...ef5!? 48.Bf4 Re2 49.Re2 b4-/+) 48.Re1 Re1 49.Qe1 (49.Be1 Qf3 50.fe6 fe6=+) 49...ef5=+ 50.Re2 (50.Rf5? Qa2 51.Rf2 Bg5-+) 50...Ra2 51.c4? (51.Qf2 Ra1 52.Qg2 Qg2 53.Kg2 Ra2=+) 51...g5?? (better 51...bc4 52.Bb4 Kg8-+) 52.d5 (52.cb5!? Bd4 53.h4=+) 52…bc4-/+ ½–½. Pawar,Harshit – Negi Augustiya, Mumbai International Open, 2019. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.Bd3 g6 6.Bb2 Bg7 7.Nf3 Nbd7 8.0-0 0-0 9.Nc3 b6 10.Qe2 Bb7 (10...Ne5 11.Ne5 de5 12.Nd1+=) 11.Rfe1 (11.Ba6 Ba6 12.Ra6 Ne5+=) 11...Ng4 (11...a5 12.ba5 Ra5 13.Ra5 ba5 14.Rb1=) 12.h3 (12.Ba6!? Ba6 13.Ra6+-) 12...Nge5+= 13.Ne5 Ne5 14.Ba6 (14.Bb5 a5+=) 14...Ba6= 15.Ra6 Nc6 16.Ra4 (16.Qb5 Qc8 17.Ra3 a6=) 16...Qd7 (16...a5 17.ba5 Ra5 18.Rc4=) 17.Rea1 (17.b5 Nd4 18.Qd3 Ne6+=) 17...Rfc8 (17...a5 18.ba5 Ra5 19.Qe3=) 18.Qd3 (18.b5 Nd4 19.Qd3 Ne6=) 18...Nd4 (18...a5!? 19.Qb5 Ra7=+) 19.b5 (19.R4a2 e6+=) 19...Nb5 (19...Ne6 20.Rb4=) 20.Nb5+= Bb2 21.Ra7 Ra7 (21...Qc6!? 22.Ra8 Ra8 23.Ra8 Qa8+=) 22.Ra7+- Qe6 (22...Qd8!?+-) 23.c3+- Rc5 (23...Bc1 24.Ra1 Bd2 25.Qd2 Qe4 26.Qd4+-) 24.Nd4 Qc8 (24...Qc4 25.Qc4 Rc4 26.Kf1+-) 25.Ra2 (25.Qc2!? Bc3 26.dc3 Ra5 27.Ra5 ba5+-) 25...Bc3 26.dc3 Rc3 27.Rc2 (27.Qd2 Rc5+-) 27...Rc2+- (27...Rd3? 28.Rc8 Kg7 29.Nc6+-) 28.Qc2 (28.Nc2 b5+-) 28...Qc2 (28...Qc5 29.Qd3+-) 29.Nc2 Kg7 30.f3 Kf6 31.Kf2 Ke6 32.Ke3 (32.Nb4 Kd7+-) 32...f5 (32...d5!?+-) 33.Nb4+- fe4 34.Ke4 h6 (better 34...b5+-) 35.Nd5 b5 36.Nc7 Kf6 (36...Kd7 37.Nb5 e6 38.g4+-) 37.Nb5 Kg5 (37...g5 38.g4 Kg6 39.Nd4+-) 38.g3 h5 (38...Kf6 39.h4+-) 39.Nd4 Kf6 40.Kd5 g5 (40...Kf7 41.g4 Kf6 42.f4 hg4 43.hg4+-) 41.g4 hg4 (41...Kf7+-) 42.hg4 Kf7 43.Ne6 Kf6 44.Nd8 Kg7 45.Ke6 d5 46.Kd5 Kf6 47.Ne6 Kf7 48.Ng5 Kg6 49.Ke6 Kg5 50.Ke7 Kg6 51.f4 Kg7 52.f5 (52.f5 Kh6 53.Kf6 Kh7 54.g5 Kg8 55.Ke7 Kg7 56.f6 Kg6 57.f7 Kf5 58.f8Q Ke5 59.Qf6 Ke4 60.g6 Kd5 61.g7 Kc5 62.Qd6 Kc4 63.g8Q Kc3 64.Qe5 Kb4 65.Qgb8 Kc4 66.Qbb5) 1–0. Jersic,Aleks (1670) – Brecelj,Jaro Ivan, 22nd HIT Open (2), 2017. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    5.f3 g6 6.d4 Bg7 7.c3 0-0 8.Bd3 e5 9.d5 Ne8 10.Ne2 f5 11.0-0 f4 (11...fe4 12.fe4 Qb6 13.Kh1 Rf1 14.Qf1+=) 12.Nd2 g5 (12...Nd7 13.Ra2+=) 13.Kh1 (13.Qb3 Qb6 14.Rf2 Rf7+/-) 13...Rf6 (13...g4 14.Ra2+=) 14.Re1 (14.c4!?+/-) 14...Rh6+= 15.Nf1 (15.Rg1 Nf6=) 15...Nf6 16.Ng1 Rg6 (16...Qb6 17.Qc2=) 17.h3 h5 18.Nh2 (18.Qc2 Qc7=) 18...g4 19.Bf1?? (better is 19.Bf4 gh3 20.Nh3 Bh3 21.gh3 ef4 22.e5=) 19...g3-+ 20.c4 gh2 21.Kh2 h4 22.Bd2 Nh5 23.Qb3?? Qg5 24.Ra2 Qg3 25.Kh1 Qf2 26.Bc3 Ng3 27.Kh2 Nf1 28.Rf1 Qf1 29.Qa4 Qc4 (29...Qc4 30.Qa3 Bd7-+) 0–1. (269) Schiwarth,Nino – Pietzsch,Manuel (2085), Leutersdorf Muench Braeu op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    5.Nc3 g6

    6.Bb2+= Nbd7 7.Bb5 Bg7 8.d4 0-0 9.Nf3 Qb6 10.Qe2 e5.

    6.Bc4 Bg7 7.Nge2 Ne4 8.Ne4? (better is 8.0-0+=) 8...Ba1-+ 9.c3 0-0 10.N4g3 Qc7 11.Bd3 Nc6 (better is 11...Qc6!?-+) 12.Qa4+= Bc3 13.dc3 Ne5 14.Bb1 Bd7 15.Qc2 Qc6 16.0-0 Rfc8 17.f4 Ng4 18.f5 a5 19.fg6 hg6 20.Rf7?? (better is 20.Ba2 Qb6 21.Kh1=) 20...d5?? (better is 20...Qb6 21.Kh1 Kf7 22.Qg6 Kf8=) 21.Nd4 Qb6 22.ba5?? Ra5?? 23.Re7+= Rc3?? 24.Qc3+- Rc5 25.Rg7 Kh8 26.Rh7?? Kh7-+ 27.Bg6 Kg6 28.Qd3-/+ Kg7 29.Nh5?? Kg8 30.Ba3 Rb5 31.g3 Rb1 32.Kg2 Rb2 33.Kg1?? Rb3 34.Qd2 Ra3 35.Qg5 Kf8 36.Qg7 Ke8 37.Qg8 Ke7 38.Qg7 Kd8 39.Qf8 Kc7 40.Qa3 Qd4 41.Kg2 Qf2 42.Kh3 Qh2 0–1. Kenyon,Scott (1755) – Messam Sparks,Lateefah (1855), BCF–chT4, 2006. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6)

    6.d4 Qb6 7.Nf3+= Qb4 8.Bd2 Qb6 (8...Bh6 9.Bd3 (worse 9.Bh6 Ne4 10.Bd2 Nc3=+) 9...Bg4 10.Rb1 Bd2 11.Qd2+=) 9.Bc4 (9.Rb1 Qc7+=) 9...Bg7+= 10.0-0 0-0 11.e5 (11.Qb1 Nbd7+=) 11...de5= 12.de5 (worse 12.Ne5 Qd4 13.Qe2 Nc6 14.Nc6 bc6-/+) 12...Ng4 13.Nd5 (better 13.Qe2!? Nc6 14.Rfb1=) 13...Qc5-/+ 14.Qe2 Nc6 15.Bc3 (15.h3!? Nge5 16.Ne5 Ne5 17.Bb3-/+) 15...Be6-+ 16.Qe4 (16.h3 Nf2 17.Rf2 Bd5 18.Bd5 Qd5-+) 16...Bf5 17.Qe2 e6 (better 17...b5!? 18.Bb3 e6-+) 18.Nf6-/+ Bf6 19.ef6 e5 (better 19...b5!? 20.h3 Qc4 21.Qc4 bc4 22.hg4 Bc2-/+) 20.Rab1 (20.Rfb1 e4 21.Rb5 ef3 22.gf3 Qf2 23.Qf2 Nf2 24.Kf2 Rac8=+) 20...Nf6=+ 21.Rb7 Ne4 22.Ba1? (better 22.Rb5 Nc3 23.Rc5 Ne2 24.Be2=+) 22...Nd6-+ 23.Ba6 (23.Ne5 Nb7 24.Nc6 Rae8-+ (24...Qc6?? 25.Qe5 Qg2 26.Kg2 Bh3 27.Kg3 Bf1 28.Qg7)) 23...Nb7 24.Bb7 Rab8 25.Bc6 Qc6 26.Ne5 Qc2?? (better 26...Qc5-+) 27.Qc2 (27.Ng4 f6 (27...Qe2?? 28.Nh6) 28.Nf6 Rf6=) 27...Bc2=+ 28.Nd7 Rb1 (28...a5 29.Rc1=+) 29.Nf8 Kf8 30.Rb1 Bb1 31.Kf1 Ke7 32.Ke2 Ke6 33.Kd2 Kd5 34.Bc3 Kc4 35.Ba5 Kb5 36.Bc3 a5 37.Bb2 (37.g4 Be4=) 37...Kc4=+ 38.Ba3 (38.g4 f5 39.f3 a4=+) 38...Kb3 39.Be7 a4 40.g3 (40.g4 h5 41.gh5 gh5-/+) 40...a3 41.h4 a2 42.Bf6 Bf5 43.Bg7 Kc4 (43...h6 44.f4-/+) 44.Bf6 (44.Kc1!?=+) 44...Kd5 (44...h6!?-/+) 45.Ke3 ½–½. Hurta,Jiri (1845) – Sebesta,Petr (1610), 12th Orlova Open A, 2015. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6)

    6.Nge2 Bg7 7.Ng3 0-0 8.Bc4 Nbd7 9.0-0 Qc7 10.Be2 Ne5 11.Nb5 Qb6 12.d4 Nc6 13.c3 a6 14.Be3 Ng4 15.Bd2 Nf6 16.Na3 Bd7 17.Nc4 Qc7 18.d5 Na7 19.Na3 Nb5 20.Nb5 Bb5 21.Bb5 ab5 22.Qe2 Qd7 23.Qd3 Ra4 24.Ne2 Rfa8 25.Rad1 Ng4 26.f4 Nf6 27.Nd4 Kf8 28.Rfe1 e6 29.de6 (29.Qb5?! ed5 30.ed5 Qb5 31.Nb5 Nd5+=; 29.Nb5?! ed5 30.ed5 Qf5+/-) 29...fe6 30.f5 gf5 31.ef5 e5 32.Nb5 Qc6? (better is 32...R4a6+-) 33.Qd6 (worse is 33.Nd6 Rd8 34.Be3 Ra2+-) 33...Qd6 34.Nd6 Rd8 (34...Ra2 35.Nb7 Rc2 36.Na5+- (36.Re5?! Rd2 37.Rd2 Ra1 38.Kf2 Ng4 39.Kg3 Ne5+-)) 35.Nb7 Rd3 (35...Rda8 36.Re5 Ra2 37.h3+-) 36.Nc5 (36.Nc5 Rd2 37.Rd2+-; 36.Re5?! Rd2 37.Rd2 Ra1 38.Kf2 Ng4 39.Kg3 Ne5 40.Rd8 Kf7+-) 1–0. Cvetkovic,Reinhard (1715) – Berau,Juergen (1695), Muensterland Verbandsklasse–B, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6 5.Nc3 g6)

    6.g3 Bg7= 7.Bg2 0-0 8.Nge2 e6 9.d4 d5 10.0-0 de4 11.Ne4 Ne4 12.Be4 Nc6 13.c3 Ne7 14.Ra5 a6 15.Qb3 Nc6 16.Bc6 bc6 17.Qa4 Qd7 18.Nf4 Rb8 19.Rc5 Rb6 20.Nd3 Rd8 21.Bf4 Bf8 22.Ra5 Rb5 23.Ra1. Caprio,G (2070) – Urtnasan,Nasanjargal, WYb14 Kemer TUR (5), 2007.

    6.Bb2 Bg7

    7.Nb5 a6 8.Bc4 Nc6 9.Bc3? (better 9.Bf6 ef6 10.c3=+) 9...Bg4-+ (9...ab5?! 10.Bf7 Kf7 11.Ra8 Ne4 12.Bg7 Kg7 13.Qe2-/+) 10.f3 ab5 11.Bb5 Bd7 12.d4 0-0 13.Rb1 (13.Ra8 Qa8 14.Ne2-+) 13...Qc7 14.Bc6 Qc6 15.Rb3 b5 16.Ne2 Ra4 17.0-0 Rfa8 18.Qc1 d5 19.e5 Ne8 20.Bb2 Qc4 21.Qd2 Bf5 22.Bc3 (22.Rc1 f6-+) 22...Ra3 (22...Bc2!? 23.Qc2 Ra2 24.Qd1 Re2 25.Re1-+) 23.Rfb1 Rb3 24.cb3 Qc6 25.Rc1 Nc7 26.Bb2 Qb7 27.g4 Bd7 28.h4 f5 (28...Qb6 29.Kg2-+) 29.ef6 (29.gf5 Bf5 30.h5 Rf8-+) 29...ef6 30.Qf4 Rc8 31.Qd6 Ne8 32.Rc8 Bc8 (32...Qc8?! 33.Qd5 Kh8 34.Qc5-+) 33.Qd8 Qd7 34.Qb6 (34.Qd7 Bd7 35.Nf4 Nc7-+) 34...f5 35.g5 Bf8 36.Nf4 Bb4 37.h5 (37.Nd3 Bd2 38.Ne5 Be3 39.Kh1-+) 37...Bd2 38.Nd3 Bg5 (better 38...Qe7!? 39.Qb5 Qe3 40.Nf2-+) 39.hg6 Bf6 40.Ne5 Be5 41.de5 hg6 42.Qg6 Qg7 43.Qg7 Ng7 44.f4 (44.Kf2 f4 45.Ke2 Bh3-+) 44...Nh5 (better 44...Ne6!? 45.Bc1 Nd4 46.Kf2 Nb3 47.Bb2-+) 45.Bc1 Ng3 46.b4 (46.Kg2 Ne4 47.Be3-+) 46...Ne2 47.Kf2 Nc1 48.Ke3 Na2 (better 48...Nb3-+) 49.Kd4 Nb4 50.Kc3 Nc6 51.Kd3 Be6 52.Kc3 Kg7 53.Kd3 Kg6 54.Ke3 Kh5 55.Kf3 b4 56.Ke3 Kg4 (better 56...d4 57.Ke2-+) 57.Kd2 Kf4 58.Kd3 Plans Kg3 58...Ke5 59.Ke3 f4 60.Kd2 b3 (60...b3 61.Kd3 d4 62.Kd2 Bf5 63.Ke2 d3 64.Ke1 b2 65.Kf1 b1Q 66.Kg2 Qc2 67.Kg1 d2 68.Kf1 d1Q) 0–1. Glacner,K – Novak,Pavel, 12th Highlands Open, 2018. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6 6.Bb2 Bg7)

    7.Nb5 a6 8.Bd4? Nc6-+ 9.Bc3 Bd7 10.Na3 e5 (better is 10...0-0 11.Bd3 d5 12.ed5 Nd5 13.Bg7 Kg7-+) 11.Nf3? (11.Bd3 d5 12.b5 ab5 13.Nb5 0-0 (13...Ne4?? 14.Ra8 Qa8 15.Nc7 Ke7 16.Na8 Ra8 17.Be4 de4 18.Qb1+-) 14.ed5 Nd5 15.Ra8 Qa8-+) 11...0-0 12.d3 Qb6 13.Qd2 Rfd8 14.h4 h5 15.Rb1 Rac8 16.Bb2? Ng4 0–1. Kudrina,Alia (2045) – Lowry O'Reilly,Hannah, 36th Olympiad women (10), 2004.

    7.Nb5 a6 8.Nf3!? A) 8...0-0 9.Be2 (9.Bd3-/+ Nc6 10.0-0 Nb4 11.Be2 Nc6 12.Bf6 Bf6 13.c3 Bd7 14.Nbd4-/+; 9.Na3 Ne4 10.Bg7 Kg7 11.Bd3 Nf6 12.0-0 Nc6 13.b5 ab5 14.Bb5-/+) 9...Nc6 10.0-0 Bd7 11.Nbd4 Ne4 12.Nc6 Bc6 13.Bg7 Kg7 14.Nd4-/+; B) 8...Nc6 9.Nbd4 Nd4 10.Bd4 e5 11.Be3 0-0 12.Bg5 h6 13.Bf6 Qf6 14.Bc4-/+; 8.h4 h5 9.Bc4 Nc6 10.Nd4 Nb4 11.Ngf3 0-0 12.d3 d5 13.ed5 Bg4 14.0-0-/+.

    7.Qc1 0-0= 8.Nf3 a6 9.Be2 Bd7 10.0-0 Nc6 11.b5 ab5 12.Bb5 Ra1 13.Qa1 Qa8 14.Qb1 (14.Qe1 Qa5=) 14...Qa5 15.Re1 White prepares e5 15...Ra8 16.d4 White intends e5 (16.Bc4!?=) 16...Bg4=+ 17.Bc6 bc6 18.e5 (18.Nd2 Qg5 19.Re3 Nh5=+) 18...de5 (better 18...Bf3!? 19.gf3 de5 20.de5 Nh5-/+) 19.Ne5= (worse 19.Re5 Qb4-/+) 19...Qc7 20.h3 Bf5 21.Ne2 Nd5 22.Ng3 Be6 23.c4 (23.c3 Nf6=) 23...Nb6=+ 24.c5 Nc4 25.Bc3 Rb8 26.Qd3 Ne5 27.de5 Rd8 28.Qe3 h5 (28...Qd7 29.Ne2=) 29.f4 (29.Ne2 Qd7=) 29...Qd7 30.Ne4 Qd3 31.Ng5 Bf5 32.Kh2 Qc2 (32...Qe3 33.Re3 Rd5 34.Kg3=) 33.Re2 (33.Bd4 Qd3 34.Qd3 Bd3=) 33...Qd1 (better 33...Rd3 34.Rc2 Re3=+) 34.e6?? (better 34.Rd2 Rd2 35.Bd2=) 34...fe6?? (better 34...f6 35.Re1 Qb3-+) 35.Bg7+- Kg7 36.Ne6 (36.Ne6 Be6 37.Qe5 Kh7 38.Qe6+-) 1–0. Martinez,Jorge Alexander – Remicio Duque,John H, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6 5.Nc3 g6 6.Bb2 Bg7)

    7.Bc4 0-0 8.Nf3 Ne4-/+ 9.0-0 Nc3 10.Bc3 Nc6 11.Re1 Bc3 12.dc3 Bg4 13.Bd5 e6 14.Bc6 bc6 15.h3 Bf3 16.Qf3 Qb6 17.Qd3 d5 18.Ra6 Qc7 19.Qd4 Rfc8 20.Qc5 Qb7 21.Rea1= Rc7 22.h4 Qb5 23.Qd6 Rac8 24.Qe5 Qc4 25.h5= gh5 26.Ra7+= Ra7 27.Qg5 Kf8?? 28.Ra7 Re8 29.Qf6 Kg8 30.Qf7 (30.Qf7 Kh8 31.Qe8) 1–0. marre – TarAnktar, internet, 2010.

    7.d4 0-0 8.Be2 h5 9.h3 Qb6 10.b5 e5 11.de5 de5 12.Nf3 Rd8 13.Qb1 Nbd7 14.0-0 Nc5 15.Ne5 Nfe4 16.Ne4 Ne4 17.Nc4 Qb5 18.Ra5 Qb4 19.Bg7 Qb1 20.Rb1 Kg7 21.Bd3 Nc3 22.Rb3 Nd5 23.Be4 Be6 24.Rb7 Nc3 25.Bd3 Rac8 26.Ne5 Kf6 27.Rba7 Rd5 28.Nf3 Ra5 29.Ra5 Nd5 30.Ra4 Rc3 31.Nd2 Rc7 32.h4 Bf5 33.Ne4 Be4 34.Re4 Ne7 35.Rf4 Kg7 36.Bc4 Nf5 37.Bb3 f6 38.g3 Rd7 39.Rb4 Nh6 40.Be6 Re7 41.Rb6 Rc7 42.c4 Nf7 43.f4 g5 44.Kf2 Nd8 45.Bd5 gh4 46.gh4 Nf7 47.Ke3 Nh6 48.Be6 Kf8 49.Kd4 Ke7 50.c5 f5? 51.Bd5 Ng4 52.Re6 Kd8 53.Bc6 Re7 54.Bd5 Ra7?? 55.c6+- Ra1? 56.Kc5 Nf2 57.Kd6 Rc1 58.Rh6 (58.Rh6 Ne4 59.Be4 Ke8 60.Bf5 Kf7 61.c7 Kg7 62.Rh5 Rc3 63.Rg5 Kh6 64.Rg6 Kh5 65.Rg7 Kh4 66.Rh7 Kg3 67.Rh3 Kf2 68.Rc3 Ke1 69.c8Q Kf2 70.Qc5 Kf1 71.Rc2 Ke1 72.Qg1) 1–0. Hechl,Gerald (2195) – Wutzlhofer,Robert (2060), AUT–chT2O, 2007. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6)

    7.Nd5 0-0 8.Nf6 ef6 9.Bd3 Re8 +=.

    7.Nd5 0-0 8.Nf6 ef6 9.Nf3 Re8-/+ 10.d3 d5 11.Be2 de4 12.de4 Qe7 13.0-0 Qb4 14.Ba3 Qb6 (14...Qc3 15.Qd3 Qd3 16.Bd3-/+) 15.Rb1+= Qc7 (15...Qd8+=) 16.Nd4 (16.Bd6!? Qd7 17.Bb5+=) 16...a6-/+ (16...Re4?! 17.Nb5 Qa5 18.Nd6+=) 17.Qd3 (17.f4 Nd7-/+) 17...Nd7 (17...f5 18.ef5 Nc6 19.Nc6 Bf5 20.Qd6 Qd6 21.Bd6 bc6 22.Bc4-/+) 18.f4 (18.Rfe1 b5 19.c4 Ne5-/+) 18...b5-/+ 19.Kh1? (better is 19.Rb3-/+) 19...Bb7-+ 20.Bf3 Rac8 (20...Qf4 21.Ne2 Qc7 22.Bd6-+) 21.Rbe1? (21.Rfd1 Nc5 (21...Qf4 22.Ne2 Qb8 23.Qd7-/+) 22.Bc5 Qc5-+) 21...Qc3 (better is 21...Qf4!? 22.Ne6 Re6 23.Qd7-+) 22.Qc3 (22.Rb1 Qd3 23.cd3 Bf8 24.Bf8 Kf8-+) 22...Rc3 23.Bb2 Rcc8 24.Bg4 Rcd8 25.Bf3 Nc5 26.e5 fe5 27.fe5 Be5 28.Bb7 Nb7 29.Re5 Re5 30.Nc6 Ree8 31.Nd8 Rd8 32.Kg1 f5 33.Re1 Kf7 34.Ba3 Rd7 35.Kf2 a5 36.c3 Nd6 37.Bb2? Nc4 38.Ba1 Rd2 39.Kf3 Ra2 40.Kg3 Nd2 41.c4 Nc4 42.Bd4 Nd2 43.Re5 Ne4 44.Kh3 b4 45.Rb5 Ke6 46.Bb6 Nd6 47.Rc5 b3 48.Rc1 b2 49.Rb1 Nc4 50.Bd4 Ra3 51.g3 Rb3 52.Kg2 a4 0–1. Quek,Shi Ning Kristine – Tsolakidou,Stavroula (2290), World Youth U16 Olympiad, 2014. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6)

    7.Nd5 0-0 8.Nf6 ef6 9.Nf3 Re8 10.Be2 Re4 11.0-0 (11.c3 Qe8-/+) 11...Re8 (11...Rb4 12.Bc3 Re4 13.d3-/+) 12.h3 Nc6 13.b5 Ne5 14.Nd4 f5 15.Ra4 Nd7 16.Bf3 Nc5 17.Ra3 Bd7 18.Qa1 Qb6 19.d3 Be5 (19...a5 20.ba6 Ra6 21.Nb3 Nb3 22.cb3 Ra3 23.Qa3-/+) 20.c4 Ne6 (20...a5 21.Qa2-/+) 21.Nc2 (21.Ne6 Be6 22.Rb1 Bb2 23.Qb2 Bd7=) 21...Ng5 (21...Bb2!? 22.Qb2 a5-/+) 22.Bd5= f4 (22...Bb2 23.Qb2 Ne6 24.Qf6=) 23.d4 (23.Be5!? de5 24.Re1+=) 23...Bg7= 24.Bc3 Qd8 25.Bd2 (25.h4 Ne4 26.Bb7 Qh4= (worse is 26...Nc3 27.Qc3 Rb8 28.Bd5+/-)) 25...Qf6 (25...Bf5 26.Qc1=) 26.Qc1 Ne6 (26...Bf5!?=) 27.Bb7+= Rab8 28.Bd5 (worse is 28.Ra7 Nd4 29.Kh2 Be6-/+) 28...g5? (better is 28...Qf5+/-) 29.Ra7+- Rbd8 30.Ra3 (better is 30.Re1!? Qf5 31.Bc3 Nc5+-) 30...h5 (30...Nd4 31.Nd4 Qd4 32.Bb4+-) 31.Bf3 (31.b6 Rb8 32.Ra7 Red8+-) 31...Bf8? (better is 31...Nd4!? 32.Bh5 Ne2 33.Be2 Re2+/-) 32.d5+- Ng7 33.g4 (33.Re1 Re1 34.Ne1 g4 35.hg4 hg4+-) 33...fg3? (33...Qh6 34.Re1 hg4 35.hg4+-) 34.fg3 (34.Bg5 gf2 35.Kf2 Qe5 36.Bd8 Rd8+-) 34...Qe5 (34...Qg6 35.Bg5 Bh3+-) 35.Bg5 Bh3 36.Bf4 Qf6 37.Rf2 Qg6 38.Kh2 Bf5 (38...Bg4 39.Ne3+-) 39.Nd4 h4 (39...Bg4+-) 40.gh4 Qh7 (40...Qf6 41.Nf5 Nf5 42.Rg2 Bg7 43.Bg5 Qe5 44.Kh3+-) 41.Bg5 Be7 (41...Rc8 42.Rg2+-) 42.Be7 (42.Rg2!? Bg5 43.Qg5 Bg6+-) 42...Re7 43.Qf4 Rde8 44.Rg2 Kh8 (44...Bg6 45.Ra6+-) 45.Rg7! Qg7 (45...Qg7 46.Nf5 Double attack (46.Nf5 Deflection; 46.Nf5 Decoy; 46.Nf5 Remove defender; 46.Nf5 Overloading); 45...Kg7 46.Nf5 Double attack (46.Nf5 Remove defender)) 46.Nf5 (46.Qf5?! Qd4 47.Qh5 Kg7 48.Qg5 Kf8 49.Qh6 Kg8 50.Qg5 Kf8=) 46...Re2 (46...Qb2 47.Bg2 Qe5 48.Qe5 Re5 49.Nd6 R8e7+-) 47.Kh3 Qb2 48.Ra2! Qe5 49.Qh6 Kg8 50.Qg5 1–0. Demir,M (1945) – Okuyaz,Duru (1805), Turkish Cup, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6 5.Nc3 g6 6.Bb2 Bg7)

    7.Nd5 0-0 8.Nf6 Bf6 9.Bf6 ef6 10.Qf3 Re8.

    7.Nd5 Nbd7 8.Ra3 0-0 9.Qa1 Nd5 10.ed5 Bb2 11.Qb2 Qb6 (11...Nb6 12.Qd4=+) 12.h4 (12.Bc4 Nf6=) 12...Nf6=+ 13.h5 (13.Bc4 Bg4=+) 13...Nd5-/+ 14.b5 Be6 (14...g5 15.Bc4 Nf6 16.Qb3-/+) 15.Nf3=+ Rac8 16.Ra4 (better 16.hg6 fg6 17.c4=+) 16...Qc5 (better 16...Nf6!?=+) 17.hg6+= fg6 18.Rh7 Nf6 (18...Kh7!? 19.Rh4 Kg8 20.Rh8 Kf7 21.Ng5 Ke8 22.Rf8 Kd7 23.Rc8 Qc8 24.Ne6 Ke6+=) 19.Re7+- Rce8 20.Re8 Re8 21.Be2 (21.Qf6 Bf5 22.Be2 Qb5-/+) 21...Bc4 (21...Ng4 22.d4 Qh5 23.Ra7=) 22.d3 (better 22.Qf6!? Re2 23.Kd1+-) 22...Bb5+= 23.Ra5 (23.Rh4 Qf5+-) 23...Ng4 24.Nd4 Re2 25.Ne2 (25.Ke2?! Bd3 26.cd3 Qa5 27.Qb3 Kf8=) 25...Qf2 26.Kd2 Qe3 27.Kd1 Nf2 28.Ke1 Bd3 29.Qa2 Kf8 30.cd3 Nd3 31.Kd1 Nf2 32.Ke1 Nd3 33.Kd1 ½–½. Cabarkapa,Novak – Duda,Daniel, Bosnjaci Open, 2018. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6 6.Bb2 Bg7)

    7.Nd5 Nbd7 8.Bc4 0-0 9.Qf3 Nd5 10.Bg7 Nb4.

    7.Nd5 Nbd7 8.Nf3 0-0 9.Nf6 Nf6 10.Bd3 Qb6 11.c3 (11.Bd4!? Qc7 12.0-0+= (worse is 12.Ra7 Ra7 13.Ba7 b6-/+)) 11...d5= 12.e5 Ng4 13.Qe2 Qe6 14.c4 dc4 15.Bc4 Qb6 16.Bc3 Be6 17.0-0 Rfd8 18.Ng5 Bc4 19.Qc4 Nh6 20.e6 f6 21.Ne4 Kh8 22.Nc5 Rac8 23.Qa2 a6 24.d4 Qc6 25.Rfc1 Nf5 26.Qb2 Rd5 27.Re1 Bh6 28.Ra3 Nh4 29.f4 (29.f3!?=) 29...Bf4-/+ 30.Qf2? (30.Kh1 Nf5 31.Qf2 Bb8-/+) 30...Rg5 (better is 30...Ng2 31.Re2 Bc1 32.Qg2 Ba3-+) 31.g3?? (better is 31.d5 Qd5 32.g3-/+) 31...Nf3-+ 32.Kf1 Ne1 (32...Nh2 33.Qh2 Bg3 34.Qg2 Qg2 35.Kg2 Be1 36.Kf1 Bc3 37.Rc3-+) 33.gf4 (33.Ke1 Qh1 34.Qf1 Qh2 35.gf4-+) 33...Qh1 34.Ke2 Rg2 35.Be1 Rf2 36.Bf2 b6 37.Nd7 (37.Ra6 bc5 38.bc5-+) 37...Rc2 38.Ke3 Qc1 (38...Qc1 39.Ke4 Rf2 40.Ne5 fe5 41.Rf3 Qc6 42.d5 Qc4 43.Ke5 Re2 44.Re3 Re3; 38...f5 39.Nc5 bc5 40.dc5 Qe4) 0–1. Dyakonova,Ekaterina (1915) – Chekmareva,Liya (1785), Wch U14 girls, 2012. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6 6.Bb2 Bg7)

    7.Nd5 e5 8.Nf6 Qf6= 9.Nf3 0-0 10.Be2 Qe6.

    6.d4 Bg7

    7.Bc4 0-0 8.Nf3 Ne4 9.Ne4 d5 10.Bd3 de4.

    7.Be2 0-0 8.Nf3 Qb6 9.0-0 Qb4 10.Nb5 Ne4.

    7.Nf3 0-0 8.Be2 a6 9.0-0 Bd7 10.b5 Qc7 11.Ra3 Be6 12.Qd3 Rc8 13.d5 Bg4 14.h3 Bf3 15.Qf3 Nfd7 16.Bb2 Ne5 17.Qg3 Nc4 18.Bc4 Qc4 19.ba6 Na6 20.Rfa1 Nc7 21.Qg4 Na6 22.Ra4 Qc7 23.R1a3 Qc5 24.Ra5 ½–½. Morin,Stephane (2075) – Bate,Gene (1655), IECG, 2004.

    7.Nf3 0-0 8.Be2 Qb6 9.0-0 Qb4 10.Nb5 Ne4.

    7.Nf3 Qb6 8.Na4 Qc6 9.e5 Nfd7 10.ed6 Qd6.

    7.Nf3 Bg4 8.Be2 0-0 9.0-0 Qb6 10.b5 Rc8 11.Na4 Qc7 12.h3 Bd7 13.Bd3 a6 14.c4 ab5 15.cb5 b6 16.Be3 Qb7 17.e5 Ne8 18.Ng5 Nc7 19.Qb3 d5 20.Rac1 Qa7 21.Ra1 Qb7 22.Rfc1 Ra7 23.Nc3 Ra1 24.Ra1 Bf8 25.Ra4 Be8 26.Qa2 Nd7 27.e6 fe6 28.Bf4 Bf7 29.Ra7 Qb8 30.Bg3 Nf6 31.Qa4 Nfe8 32.Na2 Nd6 33.Bd6 ed6 34.Nf7 Kf7 35.Nb4 Re8 36.Nc6 Qc8 37.Qa6 Kg8 38.Qb6 Na8 39.Qa5 e5 40.Be2 ed4?? 41.Bg4 (41.Bg4 Re6 42.Ra8 Re1 43.Kh2+-; 41.Nd4?! Qc1 42.Bf1 Re1 43.Qe1 Qe1 44.Ra8 Qe7+=) 1–0. Zidu,Jan (2435) – Guizar,Clemente (2355), Introductory WS event for Nat. Feds., g, 2005.

    7.Nf3 Bg4 8.Be2 0-0 9.Be3 Nbd7 10.h3 Bf3 11.Bf3 Rc8 12.Qd2 a6 13.0-0 (13.e5 de5 14.de5 Ne5 15.Bb7 Qd2 16.Bd2 Rb8 17.Ba6 Rb4=) 13...Qc7= 14.Ra3 Nb6 15.Be2 Nc4 16.Bc4 Qc4 17.Qd3 (17.Rb1!?=) 17...Qb4=+ 18.Rb3 Qc4 19.e5 Qd3 (19...Ne8!?-/+) 20.cd3= Nd7 (20...Rc3 21.Rc3 Nd5 22.Rb3 de5 23.de5+=) 21.Nd5+= Rfe8 (21...Rb8!? 22.Ne7 Kh8 23.ed6 f5+=) 22.Rb7+/- Rcd8 23.Nc7 Rb8 24.Rfb1 (24.Ra7!? Red8 25.ed6 ed6 26.Ra6+/-) 24...Rb7+= 25.Rb7 Rc8?? (better 25...Rb8 26.Rb8 Nb8 27.ed6 ed6=) 26.Nd5 Rd8 27.Ne7 (27.Bg5 f6 28.Ne7 Kf8+-) 27...Kf8 28.ed6 (28.Bg5 f6 29.Nc6 Rc8 30.Rd7 fg5 31.Rd6 Ke8+-) 28...Nf6 (28...Ke8+-) 29.Bf4 g5 30.Be5 Ne8 31.Nc6 Rd6 (31...Be5 32.Rf7!! Kf7 33.Nd8 Kg6 34.de5 Nd6 35.ed6 Kf6+-) 32.Bd6 Nd6 33.Ne5 (better 33.Rb8 Ne8 34.d5+-) 33...f6 (better 33...Nb7 34.Kf1 Ke7-+) 34.Rb8+- Ke7 35.Nc6 Kd7 36.Nb4 (36.d5!? f5+-) 36...f5 (36...a5 37.Nd5 f5 38.Ra8+-) 37.Na6 (37.Rg8 Bf6+-) 37...Bd4 38.Rg8 f4? (38...Nf7+-) 39.Rg5 f3 (39...h6 40.Rh5+-) 40.gf3 (40.Rh5 fg2 41.Rh7 Kc6 42.Kg2 Nb5+-) 40...Ke6 (40...h6 41.Rh5 Bg7 42.Nc5 Ke7 43.Rd5+-) 41.Nb4 (41.Rh5 Nf7 42.Nc7 Kf6 43.Rh7 Ne5 44.Rh6 Kf5+-) 41...Nf5 (41...Bc3 42.Nc2+-) 42.Rg4 (42.Nc2 Bc5+-) 42...Bc5 (42...Bf6 43.Re4 Kd6 44.Nc2+-) 43.Nc2 Bd6 (43...Be7 44.Ne3 Nh4 45.Re4 Kd7 46.f4+-) 44.d4 Kf6 45.Ne3 h5 46.Re4 Ng7 47.Nd5 Kf7 48.Kg2 Bf8 (48...Ne8 49.f4+-) 49.f4 (better 49.Rf4!? Kg8 50.Nf6 Kh8 51.Nh5 Bd6+-) 49...Kg6 50.Kf3 Nf5 (50...Nf5 51.Re6 Kg7+-). Soukup,J (2390) - Espinosa Veloz,E (2485), Titled Arena Apr 3rd, 2021. (=1.e4 c5 2.a3 d6 3.b4 cb4)

    7.f4 0-0 8.Nf3 Qc7 9.Ra3 Nc6 10.b5 (10.e5 Ng4 11.h3+=) 10...Na5 (better 10...Nb4=) 11.e5+- de5 12.fe5 (12.Ne5?! a6=; 12.de5?! Rd8 13.Bd2 Ng4=) 12...Nh5 13.Nd5 Qd8 14.Ne7 Qe7 15.Ra5 Rd8 16.c3 Bg4 17.Be2 (17.b6 ab6 18.Ra8 Ra8+-) 17...Bf3 18.Bf3 (worse 18.gf3 Qh4 19.Kd2 Be5=+) 18...Be5 19.0-0?? (19.de5 A pinning theme 19...Rd1 A double attack) 19...Bh2 20.Kh2 Qc7 Theme: Double Attack 21.Kg1 Qa5 22.Bh5 Qc3 (worse 22...Qb5 23.Be2 Qd5 24.Bf3+=) 23.Bf3 Rd4 24.Qe2 Qc7 25.Qf2 Rad8 (25...Rd7 26.Bh6=+) 26.Bg5 R8d7 27.Qe3 Qb8 28.Rc1 (28.Bb7!? Rd1 29.Bc6+=) 28...Rd3= 29.Qe2 R3d4 (better 29...h5!?=+) 30.Bf6+= Rd2 31.Qe3 White gets strong initiative 31...Qf8 (31...R2d6 32.Bg4 Rf6 33.Bd7+-) 32.Bg4 Rd8 (better 32...R7d6 33.Rc8 Rd1 34.Kh2 Qc8 35.Bc8 Rf6 36.Qa7 b6+-) 33.Rc4 (33.Bd8 Rd8 34.Qa7 Qb4+-) 33...h5 (33...Qe8!? 34.Re4 Qb5 35.Bd8 Rd8=) 34.Bh5 R2d3 (34...gh5 35.Qg5) 35.Qf4 (35.Qa7 gh5 36.Bd8 Rd1 37.Kf2 A) 37...Rd8?! 38.Qb7 Qa3 39.Rc2=; B) worse 37...Qd8 38.Qe3-/+ (38.Qb7 Qd2 39.Kg3 Qe1 40.Kf4 Qh4 41.g4 Rf1 42.Ke4 Qh1 43.Ke3 Qb7 44.gh5 Qe7 45.Kd2 Rf2 46.Kd3 Rf3 47.Kc2 Qe2 48.Kb1 Qf1 49.Rc1 Qb5 50.Kc2 Qb3 51.Kd2 Qd3 52.Ke1 Rf1); C) 37...Rd2 38.Kg1 C1) 38...Qd8?! 39.Qe3-/+ (39.Qb7 Rd1 40.Kf2 Qd2 41.Kg3 Qe1 42.Kf4 Qf1 43.Kg3 Qc4 44.Qa8 Kg7-+); C2) 38...Qg7 39.Qb7 Qa1 40.Kh2 Qe5 41.Kh3 Qe6 (41...Rd8?! 42.Qe4 Qb5 43.Kh4=+) 42.Kh2 Qd6 (42...Qc4?! 43.Qb8 Kh7 44.Bf6-+) 43.Kh3 Rd3 (43...Qd8?? 44.Rc8 Rd3 45.Kh2+-) 44.Kh4 Qd8 45.Kh5 Rd5 46.Kg4 Rg5 47.Kh3 Qd3 48.Qf3 Qc4-+) 35...Qd6 (35...gh5?? 36.Qg5 Kh7 37.Qh5 Qh6 38.Qf7 Qg7 39.Qg7) 36.Bd8 Qd8 (36...Qf4 37.Rf4 gh5 38.Bf6+-) 37.Bg4 Qb6 38.Kh2 Qb5? (38...Qd6 39.Qd6 Rd6 40.Ra4+-) 39.Be2 (better 39.Rc8 Kg7 40.Be2+-) 39...Rd8 40.Rc7 The mate threat is Qxf7 40...Qd5 (40...Qf5 41.Qf5 gf5 42.Rb7+-) 41.Rf7! Rc8?? (41...Qf7 42.Bc4 A pinning theme) 42.Re7 b5 (42...Rf8 43.Qc7 Rf7 44.Rf7 Qf7+-) 43.Qf6 (43.Qf6 Qd6 44.Qd6 a5 45.Qg6 Kf8 46.Qf7) 1–0. Riehle,Marco (2280) – Lahouel,Kim_Luca (1715), TCh–GER Junior U20, 2017. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6 6.d4 Bg7)

    7.Bg5 0-0 8.Nf3 Bg4 9.Be2 Nc6 10.b5 Bf3.

    7.Bg5 Qb6 8.b5 Qc7 9.Qd3 Nbd7 10.Nf3 h6.

    6.Nf3 Bg7

    7.Ra3 0-0 (7...Qb6 8.b5 Nbd7 9.d4 a6 10.Bd3 0-0; 7...Bg4 8.h3 Bf3 9.Qf3 Nc6 10.Ra4 Nd7; 7...a6 8.Be2 0-0 9.d4 Bg4 10.h3 Bf3) 8.Be2 Nbd7 9.d4 Qb6 10.0-0 e6.

    7.Rb1 0-0 8.Bd3 Bg4 9.h3 Bf3 10.Qf3 Nc6 11.Qe3 Nd7 12.0-0 Nce5 13.Be2 Nb6 14.d4 Nec4 15.Qd3 e6 16.f4 Qf6 17.e5 Qe7 18.Ne4 Rfd8 19.Qb3 Rac8 (19...Qc7 20.Qc3 Rac8 21.Ra1=) 20.Ra1 (20.f5 Qd7 21.fe6 Qe6+/-) 20...a6= 21.c3 Qc7 22.Ra2 Bf8 23.g4 Be7 24.ed6 Nd6 (worse is 24...Bd6 25.Nc5+/- (25.Nd6?! Nd6 26.Rc2 Nb5 27.Bb5 ab5=)) 25.Nc5 Ne8 26.Bf3 Nd5 27.f5 Bc5 28.bc5 Qd7? (28...Qg3 29.Rg2 Qh3 30.fe6 fe6 31.Qb7 A) 31...Nc3?? 32.Bf4+- (32.Qa6?! Nc7 33.Qb7 N7b5+/-); B) 31...Ng7+/-) 29.fe6+- fe6 30.Bg5 Rb8 (30...Ne7 31.Qb7 Nc7 32.Bf6+-) 31.Raf2 (31.Bd8!? Qd8 32.Bg2 Ng7+-) 31...Rdc8 32.Bd5 ed5 33.Rf8 Kg7 34.R1f7! Qf7 35.Bh6!! Kf6 36.Rf7 Kf7+- 37.Qd5 Ke7 38.Bg5 Kf8 39.Bf4 Rd8 40.Qe6 Rbc8 41.Bh6 Ng7 42.Qf6 Ke8 43.Qe5 Kd7 44.Qg7 Kc6 45.Qh7 Rg8 46.Qf7 Rce8 47.Qf3 Kc7 48.Bf4 Kc8 49.c6 Re1 50.Kf2 Rb1 51.cb7 (51.cb7 Rb7 52.Qc6 Kd8 53.Qd5 Rd7 54.Qg8 Ke7 55.Bg5 Kd6 56.Qg6 Kc7 57.Qe8 Rd4 58.cd4 Kb7 59.Qd7 Kb8 60.Bf4 Ka8 61.Qc8 Ka7 62.Qb8; 51.Qe4 Rc1 52.Qe6 Kd8 53.c7) 1-0. Berry,Jonathan (2300) - Roback,Joe (1845), Victoria CAN, 8th Grand Pacific Open, 2014. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6 5.Nc3 g6 6.Nf3 Bg7)

    7.d4 0-0 8.Be2 b6 9.0-0 Bb7 10.Bd3 Nc6 11.b5 Nb4 12.Ba3 (12.Ra4 a5+=) 12...Nd3= 13.cd3 (13.Qd3 a5=) 13...a6 14.ba6 Ra6 15.d5? (15.Bb2 Ra1 16.Qa1 Qd7=) 15...Qd7?? (better 15...Nd5 16.Nd5 Ba1 17.Qa1 Bd5-+) 16.Bb4 (16.Bb2 Ra1 17.Qa1 Ra8=) 16...Rfa8 17.Rb1 (17.Ra6 Ba6 18.Qd2 Qg4=) 17...Nh5 18.Qd2 Qg4 19.h3 Qf4 20.Qe2 Qf6 21.g3 (21.Nd1 Ra2 22.Qe3 Ba6=) 21...e5 (21...Bc8!? 22.Kg2 Bd7=+) 22.Nb5 Bf8 23.Qe3 Ra2 (23...Bc8 24.Kh2 Qd8 25.g4=) 24.Nd2 (24.Kg2 Bc8+=) 24...Bc8 25.Kg2 (25.Kh2 Bd7 26.Qb6 Bb5 27.Qb5 Bh6=) 25...Bd7= 26.Nc3 R2a6 27.Nc4 Exerts pressure on the isolated pawn 27...Qd8 28.Rb2 b5 29.Nd2 Qc8 (29...Qc8 30.Rh1 Bg7=+) 0-1. Sarkar,J (2365) - Valdes,Le (2400), Titled Tuesday, 2021. (=1.e4 c5 2.a3 d6 3.b4 cb4)

    7.d4 0-0 8.Be2 Qb6 9.0-0 Qb4 10.Nb5 Ne4.

    7.d4 Qb6 8.Na4 Qc6 9.e5 Nfd7 10.ed6 Qd6.

    7.d4 Bg4 8.h3 Bf3 9.Qf3 Nc6 10.Be3 0-0 11.Rb1 Nd7 12.Qd1 Qb6 13.Nd5 Qd8 14.Bc1 (better is 14.b5!? Na5 15.Bg5+=) 14...e6+= (worse is 14...Bd4 15.b5 e5 16.bc6 bc6 17.c3 cd5 18.cd4 de4 19.Bb5+/-) 15.Nf4 Nd4 16.c3 Nc6 17.Bb2 Nde5 18.Be2 Qf6 19.Qd2 Bh6 20.Bc1 Nd7 21.0-0 (21.Qd6 Nb6 22.Nd5 Nd5 23.Bh6 Nc3 24.Rc1 Ne2 25.Ke2-+) 21...e5-+ 22.Nd5 Bd2 23.Nf6 Nf6 24.Bd2 Ne4 25.Rfd1 Rad8 26.Bf3 f5 27.Bh6? (27.Be4 fe4 28.b5 Ne7-/+) 27...Rfe8?? (better is 27...Nc3 28.Bf8 Kf8-+) 28.Be4-/+ fe4 29.Bg5 Rd7 30.Re1 d5 31.Rbd1 Nb8 32.Be3 a5! 33.f4?? ef3! 34.gf3 Nc6 35.Kg2?? Kf7 36.Kg3?? Ne7 37.f4? Nf5-+ 38.Kf3 e4 39.Kf2 Ne3 40.Ke3 Ke6 41.Rd4?! Rc8 42.Kd2 Kf5 43.Ree4-/+ Rcd8?? 44.Re5+/- Kf6 45.Ke3?? h6?? 46.h4?? b6 0–1. Ribeiro,Romain – Bellaiche,Antony (1900), FRA–chT U18, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6 5.Nc3 g6)

    7.e5 de5+= 8.Ne5 0-0 9.Bc4 Qc7 10.Qe2 Nc6 11.Nc6 Qc6 12.0-0 Bg4 13.f3 Bf5 14.Bb3 Qd6 (14...Nh5 15.Qe7 Rae8 16.Qh4 Qb6 17.Kh1=) 15.Ra5 (15.Re1 Bh6=) 15...Qb4 16.Re5 e6 17.g4 Ng4 18.Rf5 ef5 (18...gf5 19.fg4 Qg4 20.Qg4 fg4 21.h3-/+) 19.fg4+= fg4 (19...Rae8!? 20.Qg2 fg4+=) 20.Nd5= Qc5 21.Kh1 Rae8 (21...a5 22.Qc4 Qc4 23.Bc4+=) 22.Qg4= h5 (22...Re6!?=) 23.Qf3+= Re5 (23...Kh8 24.Nf6 Re7 25.Bd5+/-) 24.d4 Qd4 25.Be3 Qh4 26.Bc5 (26.Ba7? Rf5 27.Qe2 Rf1 28.Qf1 Ra8-+) 26...Rf5?? (better is 26...Re1 27.Bf8 Rf1 28.Qf1 Qe4 29.Qg2 Qe1 30.Qg1 Qg1 31.Kg1 Bd4 32.Kg2 Kf8=) 27.Ne7+- Kh7?? (27...Qe7 28.Be7 Rf3 29.Rf3 Rc8+-) 28.Nf5 (28.Nf5 Qg5 29.Bf8 Bf8 30.Nd4+-) 1–0. Buchele,Andreas (1950) – Weber,Sandra (1690), 2013. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6 5.Nc3 g6)

    5.d3 g6

    6.Bb2 Bg7 7.f4 0-0 8.Nf3 a6 9.Be2 Nc6 10.c3 (10.Nc3 Bd7-/+) 10...Qb6 11.Nbd2 Qe3?? (11...d5 12.ed5 Nd5 13.Nc4-/+) 12.g3?? (better 12.Nc4 Qa7 13.b5+=) 12...Ng4 13.Rf1 b5 (13...Qa7 14.Qc1 Ne3 15.Rg1-/+) 14.Qc1 (14.d4 f5 15.Qb1 fe4 16.Ne4 Nf6=) 14...f5 (14...Be6 15.d4 Rfc8 16.Qb1-/+) 15.Nb3 (15.Qc2 Kh8-/+) 15...Qb6 (15...fe4 16.de4 Qe4 17.Ng5-/+) 16.ef5 Bf5 17.d4 (17.Nbd4 Nd4 18.Nd4 Bd7 19.Bg4 Bg4-/+) 17...e5 (17...Rac8 18.Nh4 Nb4 19.Nf5 gf5 20.Qd2-+) 18.fe5 (18.h3!? Nh6 19.de5 Bh3 20.ed6 Bf1 21.Kf1-/+) 18...de5-+ 19.h3 Nf6 (better 19...Bh6!? 20.Ng5 Nh2-+) 20.g4=+ Be4 21.Nc5 ed4 22.cd4? (22.Nd4 Nd4 23.cd4 Bb7=+) 22...Nb4 23.Kf2? (23.g5 Nc2 24.Kd1 Nd5 (24...Na1?! 25.gf6 Bc2 26.Ke1 Bf6 27.Qa1=+) 25.Ne4 Nde3 26.Kd2 Rac8-+) 23...a5 (23...Qd6 24.Kg2 Rae8 25.Qd2-+) 24.Qc3? (better 24.Kg1-/+) 24...Bf3-+ 25.Bf3 Rae8?? (25...Qc5! 26.dc5 Ne4 27.Kg2 Nc3 28.Ba8 Ra8 29.Rf3-+) 26.Rae1 (better 26.Qb3!? Nfd5 27.Kg1-/+) 26...Nfd5-+ 27.Qb3? (27.Qd2 Re1 28.Qe1-+) 27...Kh8 (better 27...a4 28.Qd1 Qd6-+) 28.Re8= Re8 29.Bd5 Qd6 30.Bg2?? (better 30.Be4 Bd4 31.Kg2 Qc5 32.Qf7 Re4 33.Bd4 Rd4 34.Qe8 Kg7 35.Rf7 Kh6 36.Qe3 Qg5 37.Rh7 Kh7 38.Qg5+-) 30...Bd4-+ 31.Bd4 Qd4 32.Kg3 Re3 33.Rf3 (33.Kh2 Qe5 (33...Rb3? 34.Rf8 Kg7 35.Ne6 Kh6 36.Nd4+-; 33...Qc5?! 34.Rf8 Qf8 35.Qe3-+) 34.Kh1 Rb3 (34...Qc5?! 35.Rf8 Qf8 36.Qe3=+) 35.Nb3 a4-+) 33...Rb3 34.Nb3 Qe5 35.Kf2 a4 36.Na5 (36.Nd2 Qd4 37.Ke2 Nd5-+) 36...Qd4 (better 36...Nc2 37.Kg1-+) 37.Kg3 (37.Ke2 Qg1 38.Rf2 Nd3 39.Rf8 Kg7-+) 37...Qd6 38.Kh4 (38.Kf2 Qb6 39.Ke2 Qa5 40.Rf8 Kg7-+) 38...Qd8 39.g5 Qa5 40.Rf7 Kg8 41.Rb7 a3 42.Rb8 Kg7 (better 42...Kf7 43.Rb7 Ke6 44.Rb8-+) 43.Rb7 Kg8 44.Bf1?? (better 44.Rb8 Kf7 45.Ra8 Qa8 46.Ba8-+) 44…a2 (44...a2 45.Kg4 a1Q 46.Ra7 Qa7 47.Bb5 Q1g1 48.Kf3 Qae3) 0–1. Martinez,Julian (2275) – Remicio Duque,John H (2020), IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    6.c4 Bg7 7.Bb2 Qb6 8.Bc3 0-0 9.Be2 Nc6 10.b5 Nd4 11.Nf3 Ne2 12.Qe2 Bg4 13.0-0 a6 14.ba6 Ra6 15.Nbd2 Rfa8 16.Ra6 Ra6 17.Rb1 Qc7 18.h3 Bd7 19.e5 de5 20.Be5 Qc8 21.Nb3 h6 22.Nbd4 Qa8 23.Qb2 b6 24.Nb5 Ra2 25.Qb4 Bc6 26.Qe7 Bf3 27.Bf6 (worse is 27.gf3 Qf3 28.Rf1 Qh3-/+) 27...Bf8 28.Qe3 Bg2 29.Nc7 (29.Qb6?? Bh3 30.Qb7 Qb7 31.f3 Qf3 32.Rb2 Ra1 33.Kh2 Rh1) 29...Qc6 30.Rb6 Qc7 31.Kg2 Ra5 32.Bb2 Rg5 33.Kf1 Be7 34.Qd4 f6 35.Qe3 Rf5 36.Ra6 Qd8 37.Bd4 (37.Qh6 Qd3 38.Kg1 Qd1 39.Kg2 Qf3 40.Kh2 Qf2 41.Kh1 Qf1 42.Kh2 Rf2 43.Kg3 Rg2 44.Kh4 Qf2) 37...Kg7 38.Ra7 Kf7 39.Ke2 1–0. Dobrov,Vladimir (2500) – Riccio,Eros (2175), PAL/CSS Freestyle op, 2005. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    6.c4 Bg7 7.Bb2 Qb6 8.Qd2 Nc6 9.Bc3 0-0 10.Qb2 a5 11.b5 Nb8 12.Be2 Nbd7 13.Nf3 e5 14.Qa3 a4 15.Bb4 Nc5 16.Nc3 Nfd7 17.0-0 Qd8 18.Bd1 f5 19.Na4 fe4 20.de4 Na4 21.Ba4 Nb6 22.c5 Na4 23.Qb3 Kh8 24.Ra4 Ra4 25.Qa4 Rf3 26.gf3 Bh3 27.Bd2 Bf1 28.Kf1 dc5 29.Ke2 h5 30.Bc3 Kh7 31.Qc4 Qb6? (better is 31...b6!?=) 32.f4+/- Qd6 (32...ef4 33.Qf7 Kh6 34.Qg7 Kg5 35.Qe5 Kg4 36.f3 Kh4 37.Qf4 Kh3 38.Qg3) 33.Qf7 Qb6?? (better is 33...Qf8 34.Qf8 Bf8 35.Be5 c4+/-) 34.Qd7 Kh6 35.fe5 Qa7 36.Bd2 Kh7 37.e6 Qa4 38.f3 Qc4 39.Ke1 (39.Ke1 Qb3 A) 40.Qb7?! Qf3 41.Qd5 Qh1 42.Ke2 Qg2 (worse is 42...Qh2 43.Kd3+/-) 43.Kd3 Qf1 44.Kc2 Qb5=; B) 40.e7 Qf3 41.e8Q Qh1 42.Ke2 Qg2 43.Kd1 Qf1 44.Be1 Qf3 45.Kd2 Qg2 46.Ke3+-) 1–0. Chernyshov,Konstantin (2515) – Papp,Petra (2305), First Saturday GM May, 2013. (=1.e4 c5 2.a3 d6 3.b4 cb4 4.ab4 Nf6)

    6.Be3 Bg7 7.Ba7 (7.Ra7 Ra7 8.Ba7=) 7...Nbd7?? (better is 7...Ne4 8.d4 Na6-/+) 8.Nc3 0-0 9.d4 e5 10.de5 Ne5 11.Bd4 Ra1 12.Qa1 Nc6 13.Nf3 Nd4 14.Nd4 Qb6 15.Na4 Qb4 16.c3 Qa5 17.Nb3 Qe5 18.f3 Ne4! 19.fe4 Qe4 20.Kd2?? (20.Be2 Bg4 21.0-0 Be2 22.Re1-+) 20...Bh6 21.Kd1 0–1. Goya Garrahan,Ricard (1890) – Bellingham,Steve (1835), Martorell op–B, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    6.f4 Bg7 7.Bb2 0-0 8.Nf3 Qb6 9.Qd2 Ne4! 10.de4 Bb2 11.Ra2 (11.Ra5 Bg7-+) 11...Bg7 12.c3 (12.Na3 Be6 13.Bc4 Na6 14.Be6 fe6-+) 12...Nc6 (12...Be6 13.Rb2-+) 13.Qf2 (13.Na3 Be6 14.Nc4 Qc7-+) 13...Qf2 (better is 13...Qc7!? 14.Qe3-+) 14.Kf2 a6 (14...Bd7 15.Rb2-+) 15.h3 (15.Bc4 Bd7-/+) 15...f5 (15...e5 16.g3-+) 16.b5? (better is 16.Bc4 e6 17.ef5 Rf5 18.g3-/+) 16...fe4 17.Ng5 (17.Bc4 Kh8 18.bc6 ef3 19.cb7 Bb7 20.g3-+) 17...Rf4 18.Ke3 Rf5 19.Ne4 (19.Bc4 d5 20.bc6 Rg5 (worse is 20...dc4 21.h4-+) 21.cb7 Bb7-+) 19...Be6 20.Ra4 (20.Ra3 Bh6 21.Kd3 Ne5 22.Kc2-+) 20...Raf8 (better is 20...Bh6 21.Ke2 Rb5-+) 21.bc6 Rf1 (21...b5 22.Ra6 Bh6 23.Kd3 Rf1 24.Rf1 Bc4 25.Kc2 Bf1 26.Ra7-+) 22.Rf1-/+ Rf1 23.cb7 Rb1?? (better is 23...Rf8-/+) 24.Rb4+- Bh6 (24...Rf1 25.b8Q Rf8 26.Qa7 Bh6 27.Ke2+-) 25.Kf2 Rc1 (25...Rb4 26.cb4 Kf7+-) 26.b8Q Kg7 27.Rb7 Rc2 28.Kg3 d5 29.Re7 Bf7 30.Qe5 Kf8 31.Qf6 1–0. Martinez Zuluaica,J (2205) – Duran Remolina,MC, Bucaramanga COL, Udi Cup, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d6 4.ab4 Nf6)

    4.Bc4 Nf6=+

    5.ab4 A) 5...Nc6 6.d3 (6.Nc3 Nb4 7.Nf3 Bg4 8.Bb5 Nc6 9.h3) 6...Nb4 7.Nf3 d5 8.Bb5 Bd7 9.Bd7; B) 5...Ne4 6.Bf7 Kf7 7.Qh5 Kg8 8.Qd5 e6 9.Qe4 d5=+.

    5.d3 ba3!? 6.Nf3 e6+=.

    5.d3 g6 6.ab4= Bg7 7.Bb2 0-0 8.f4 d5 9.ed5 Nd5 10.Bg7 Kg7 11.Qd2 Nb6 12.Qc3 f6 13.Bb3 Qd6 14.Nd2 Qf4 15.Ne2 Qe3 16.Rf1 Bg4 17.Rf2 Rc8 18.Qb2 Nc6 19.h3 Bd7 20.Ne4 Ne5 (20...Bf5 21.N4g3 Bd3=) 21.Ra5 (better is 21.Nc5=) 21...Nbc4!-/+ 22.dc4 (22.Bc4 Nc4 Double attack; 22.dc4 Nc4 Double attack (22...Qe4 Deflection)) 22...Qe4 23.Rf4 Qe3 24.Ba2 Bc6 25.Ra3 Qb6 26.c5 Qc7 27.Re3 Rf8 28.Nd4 Bd7 29.Rfe4 a5 30.Be6 ab4 31.Bd7 Qd7 32.Ne6?? Qe6-+ 33.Qb4 Ra1 34.Kf2 Qa6 35.Qd4 Qf1 36.Kg3 Qf5 37.Qb4?? Rf7 38.Qb7 Rd1 39.c6 Rd8 40.c7 Rc8 41.Rc3 Rff8 42.Rd4 g5 43.Qb4 Ng6 44.Rc5 e5 45.Kh2 Qf2 46.Rd7 Kh6 47.Rc3 Qf4 48.Qf4 gf4 49.h4 Rfe8 50.Rc6 e4 51.Rf6 e3 52.Rff7 Rh8 53.g4 fg3! 54.Kg3 Rce8 55.Rf1 Rhg8 56.Kh2 Re4 57.Rd8+= Rc4 ½–½. Juarez Flores,RA (2230) – Reyes Najera,CA, GUA–ch Maestros1, 1982. (=1.e4 c5 2.b4 cb4 3.a3 d6)

    5.Qe2 e6 6.Bb2 Be7 7.Nf3 0-0-/+ 8.0-0 Nc6 9.ab4 Nb4-/+ 10.Na3 Bd7 11.d4 d5-/+ 12.ed5 Nfd5 13.Bd5 Nd5 14.c4 Nb6 15.Rfd1 Na4 16.Ne5 Nb2 17.Qb2=+ Ba3 18.Ra3 f6 19.Nd3 b6 20.c5 Bc6 21.Nf4 Bd5 22.Qe2 Re8=+ 23.Rg3 Re7 24.h4 a5 25.h5 a4-/+ 26.h6 g5 27.Nh5 Rf7 28.f4 a3 29.fg5=+ fg5 30.Qe5 Kf8 31.Rg5 a2 32.Ra1 Qb8 33.Qh8 Ke7-/+ 34.Qb8 Rb8 35.Rd5 ed5 36.Ra2 bc5 37.Ra7? Kf8-+ 38.Rf7 Kf7 39.dc5 Rc8 0–1. Pomaro,S (1635) – Dal Maschio,C (1640), Treviso Lega op (3), 1996.

    3.a3 e5

    4.ab4 d5 5.ed5 Qd5 6.Nc3 Qd8 7.Bb5 Bd7 8.Qe2 Bd6 (8...Bb4 9.Qe5 Qe7 10.Qe7 Ne7 11.Nge2=) 9.Nf3+= Bb5 10.Nb5 Nc6 11.c3 a6 12.Nd6 Qd6 13.b5 Nb8 14.ba6 Ra6 15.Ra6 Qa6 (15...ba6!? 16.Ne5 Ne7+/-) 16.Qe5+- Qe6 17.0-0 Qe5 18.Ne5 Nd7 (18...Nc6 19.Nc4+-) 19.Nc4 Ngf6 20.Re1 Kf8 21.Ba3 Kg8 22.g4 (22.Rb1 h5+-) 22...h6 23.Re7 g5 24.Nd6 Rh7 25.Nb7 Nb6 26.h3 Nbd5 27.Rd7?? (27.Re5 Nf4 28.Kh2 Nd3+-) 27...Nf4?? (27...Nd7 28.Bd6-+) 28.Kf1?? Nh3?? 29.d3 (29.d3 Nd7 30.Bd6-+) 1–0. Georgiev,Dimitar (1875) – Stiefel,Marika (1625), 12th Kesarovski–Stanchev Mem–B, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e5)

    4.ab4 f5 5.ef5+/- Nf6 6.Be2 (6.c3!?+=) 6...Bb4= 7.Bh5 Kf8 8.Be2 d5 9.Nf3 Nc6 10.0-0 e4 11.Ne1 Bf5 12.Ba3 Ba3 13.Na3 Nd4 14.c3 Ne2 15.Qe2 g6 16.Nec2 Kg7 17.Rfb1 Qe7 18.Nd4 Rhf8 (18...Bc8 19.Nab5 a6 20.Qe3+=) 19.Nf5 gf5 20.Nb5 Ng4 21.Ra7 Ra7 22.Na7 Qc7 23.g3 Ne5 24.Nb5 Qd7 25.f4 Nf3 26.Kg2 Rc8 27.Nd4 (27.Qf2 Rc4=) 27...Nd4+= 28.cd4 Rc4 29.Qh5 Rc6 30.Qe2 b6 31.Qb5 Qd6 32.Qa6 Qe6 33.Kf2 h5 34.Qe2 (34.Qb7 Kh6=) 34...Kh6 35.Ke3 Qd6 36.Rb3 Rc4 37.Rc3 (better is 37.d3!? Rb4 38.Qc2+=) 37...b5-/+ 38.Qf1 Qb4 39.Qc1 Qa4 (39...Rd4?? 40.Rc6 Kg7 41.Rc7 Kf8 42.Rc8 Kf7 43.Qc7 Qe7 44.Qe7 Ke7 45.Kd4+-) 40.Ke2 Qa2 41.Qa3 Qa3 42.Ra3 Rd4 43.Ra6 Kg7 44.Rb6 Rb4 45.Kd1 d4-+ 46.Kc2 d3 47.Kc3 Rc4 (47...Rc4 48.Kb3 Rc1 49.Rb7 Kf6 50.Rb6 Ke7 51.Rb7 Kd6-+) 0–1. Andre,Philippe (1800) – Nemety,Laszlo (2125), Rohde op, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 e5)

    4.Bc4 Bc5 5.ab4 Bb4 6.Nf3 Nc6 7.c3 Ba5 8.Qb3 Qf6 9.0-0 Nge7 (9...Bb6 10.Qb5+=) 10.d4= Bc7 11.Bg5 Qg6 12.d5 Nd8 13.Na3 a6 (13...Qe4 14.Nb5 Bb8 15.Rfe1+-) 14.Nb5 Bb8 (14...ab5 15.Ra8 f6 16.Be3 bc4 17.Qc4+/-) 15.d6 Bd6 16.Be7 Ke7 17.Nh4 Qe4 18.Nd6 Kd6 19.Nf3 f6 20.Qb6 (20.Rfd1 Kc7-/+) 20...Qc6 21.Qb4 Kc7 22.Bb5 Qb6 23.Qc4 Nc6 (23...Kb8 24.Ba4-+) 24.Bc6 (24.Ba4!?-/+) 24...Qc6-+ (24...dc6?! 25.Rfb1 Qa7 26.Qf7 Kb8 27.Qg7=) 25.Qf7 b5 (25...Qc3? 26.Rfc1 Qc6 27.Qg7+-) 26.Qg7 (26.c4 bc4 27.Rfb1-+) 26...Bb7 27.Qh6 Rhg8 (27...Rhg8 28.Qh5 Rg5 29.Qg5 fg5-+) 0–1. Van Dijk,Bram – Van Gijzen,J, NED–ch U20 Oostvoorne, 1972. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.Bc4 Qh4 5.d3= Bc5 6.Qe2 Nc6 7.Nf3 Qe7 8.ab4 Bb4 9.c3 Bc5 10.0-0 Nf6 11.d4 (11.Na3 d6=) 11...Bb6 (better is 11...ed4!? 12.Bb2 d5 (12...Qe4?! 13.Qe4 Ne4 14.Re1=; 12...Ne4?! 13.Re1 f5 14.Nd4=) 13.ed5 Qe2 14.Be2 Nd5 15.cd4 Bb4-/+) 12.d5 Nd8 (12...Na5 13.Ba3 Bc5 14.Bc5 Qc5 15.Nbd2+=) 13.Be3 (13.Na3 Bc5+=) 13...Be3+= 14.Qe3 d6 15.Nbd2 b6 16.Rfb1 Rb8 17.Bb5 Kf8 18.Ra3 Qc7 19.Rba1 (19.Ra4 Kg8+=) 19...a5= 20.Rb1 (20.Nb3 g6=) 20...Nb7 21.Rab3 (21.Ra4!?=) 21...Nc5 22.R3b2 h6 23.Ne1 g6 24.f3 Kg7 25.Nc2 Bd7 26.Na3+= Rb7 27.Ndc4 Rhb8+= 28.h3 Na4 29.Ba4+= Ba4 30.Rb6 Rb6 31.Rb6 Rb6 32.Qb6 Qb6 33.Nb6 Bb3 34.Nbc4 Bc4+= 35.Nc4 a4 36.Kf2 Kf8 37.Ke3 Ke7 38.Kd2 ½–½. Thorfinnsson,Bj (2390) – Kristinsson,Ba (2160), ISL, Team Ch Div, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.d4 Nc6 5.d5 Na5 6.Bb2 f6 7.c4 Bc5 8.Bc1 f5 9.ef5 Qh4-/+ 10.Nh3 Qe4 11.Qe2? Qd4?? 12.Bb2+- Qh4 13.Qe5 Ne7 14.d6 Qf6?? 15.Qe7 Qe7 16.de7 Rg8 17.Nd2 Nc6 18.f6 gf6 19.Bf6 Rg6 20.Ne4 Bd4 21.Nd6# 1–0. mcgoo (2325) – mi (2255), net–chess.com, 2010.

    4.Nf3 Qa5 5.Bc4 h6 (5...Nf6 6.Ng5 d5 7.ed5=+) 6.d4 (6.c3 Nf6=) 6...d6 (6...ed4 7.Qd4 Nc6 8.Qd5 Qd5 9.ed5=) 7.c3 (7.Bd2 Qc7 8.Bb5 Bd7 9.Bd7 Nd7 10.Bb4 Rc8=) 7...ba3= 8.Qb3 Be6?? (better 8...Qc7=) 9.Be6+- Qc7 10.Bd5 a5 (10...Nc6 11.Na3 Nf6 12.Nb5+-) 11.Na3 (better 11.Bb7!? Ra7 12.Bd5 Nf6 13.Bf7 Kd8+-) 11...Nc6 12.Nb5 Qb6 (12...Qd7+-) 13.Nd6! (13.Nd6 Bd6 14.Qb6+-) 1–0. juliangon (2690) – valla, ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.Nf3 Qc7 5.ab4 Bb4 6.c3 Be7 7.Qb3 Nc6 (7...Nf6!?+=) 8.Bc4= Nd8 9.Na3 Nf6 10.Nb5 Qb8 11.d4 d6 12.Ba3 a6 (better is 12...ed4!? 13.Ng5 0-0+=) 13.Nd6+= Bd6 14.Bd6 Qd6 15.de5 Qe7 16.ef6 Qf6 17.0-0 0-0 18.e5 Qe7 19.Rfe1 Be6 20.Nd4 ½–½. Remman,Frank – Johnsen,Svein Harald, NOR–ch kl M Tromsoe, 1999. (=1.e4 c5 2.b4 cb4+= 3.a3 e5)

    4.Nf3 d6 5.ab4 Nf6 6.Nc3 Bg4 7.Be2 Be7 8.0-0 Qd7 9.h3 Bh3 (better is 9...Bf3!? 10.Bf3 Nc6=) 10.gh3+/- Qh3 11.Nh2 h5 12.f3 (12.Bb5!? Nc6 13.Qf3 Qf3 14.Nf3+/-) 12...g5 13.Rf2 g4 (better is 13...d5!?+=) 14.fg4+- Nbd7 15.Ra3 hg4 16.Bg4 Rg8 17.Rg2 Qh7 18.Bd7 (18.Nb5 Kd8 19.Na7 Ng4 20.Nc6 Kc7 A) 21.Rg4 bc6 (worse is 21...Kc6 22.Rc3 Kb6 23.Kh1 Rg4 24.Qg4+=) 22.Ra8 Ra8-/+; B) 21.Ra8+-) 18...Kd7+/- 19.Qf3 (19.Qe2!?+/-) 19...Rg2+= 20.Kg2 (20.Qg2 Rg8 21.d3 Rg2 22.Kg2 Qg8 23.Kh3 Qg1-+) 20...Rg8 21.Kh1 Ng4 22.Qg2 Qh2?? (better is 22...Qh4 23.Kg1 Qe1 24.Nf1 Bh4-+) 23.Qh2+- Bf6?? (23...Nh2 24.Kh2 a6+-) 24.Qe2 (24.Qe2 a6 25.Nd5+-) 1–0. Podolsky,Anton – Iljin,Oleg, UKR games U16 B3 2nd, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.Nf3 Bd6 5.ab4= Bb4 6.Ne5 Qf6 7.Bb2+/- Bc5 8.d4 Bb4 9.c3 Bd6 10.Nf3 Qf4 11.Bd3 Bc7 12.0-0 Nh6 13.Nbd2 Ng4+/- 1–0. marcosramospg – zeca (1645), net–chess.com, 2010.

    4.f4? Nc6 5.Nf3 d5 6.ed5 Qd5 7.fe5 Qe4 8.Be2 Bc5 (8...Nd4 9.Nd4 Qh4 10.g3 Qd4 11.c3 bc3 12.Nc3=) 9.Bb2 (9.ab4!? Ne5 10.Ne5 Qe5 11.Ra5=) 9...Bg4+= 10.Kf1 (10.d3 Qe3 11.Rf1 Bf3 12.Rf3 Qg1 13.Kd2 Qg2 14.Qf1 Qg5 15.Kd1-/+) 10...Nge7 11.h3? (11.d4 Nd4! Decoy: d4 12.Nd4 Rd8 13.Bg4 Bd4-/+) 11...Nf5-+ 12.hg4? (12.ab4 Ng3 13.Ke1 Bf3 14.gf3 Qb4 15.Ba3-+) 12...Ng3 13.Ke1 Nh1 14.c3? (better is 14.d4 ba3 15.Na3 Ba3 16.Ra3 Qg4 17.Kf1-/+) 14...Qg4 15.Qb3 0-0 16.d4 bc3 17.Qc3 Qg3 18.Kd1 Bd4! 19.Nd4 Rad8 20.Nd2 Nd4 21.Qb4 Nf2 (21...Nf2 22.Kc1 Nd3 23.Kb1 Nb4 24.ab4 Ne2-+) 0–1. Albertazzi,Lorenzo – Cedriano,Filippo, ITA–ch U20 Paderno del Grappa, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.f4? d6?? 5.Nf3 Bg4 (5...ef4 6.ab4 Nf6 7.Nc3+=) 6.ab4 Be7 (6...ef4 7.Bb5 Nd7 8.h3=) 7.Bc4 Bf3 (7...Nc6 8.Nc3=) 8.Qf3+= Nf6 9.d3 0-0 10.c3 Nbd7 11.0-0 b5 12.Bb3 a5 13.ba5 Ra5 14.Ra5 Qa5 15.Be3 b4 16.cb4 Qb4 17.Nd2 Ra8 18.g4 ef4 19.Qf4 Ne5 20.g5+= Nd3? 21.Qh4 d5?? 22.gf6+- Bf6 23.Rf6 gf6 24.Qf6 Rb8 25.Bd5 (25.Bd5 Rb7 26.Bb7 Qb5 27.Bd4 Ne5 28.Bd5 Qd5 29.ed5 Kf8 30.Qd8 Kg7 31.Qg5 Kf8 32.Bc5 Ke8 33.Qe7) 1–0. Frink,Ferenc (2205) – Papp,Jozsef (2075), 4th Berekfuerdoi Oesz OPEN – A Csoport, 2010. (=1.e4 c5 2.b4 cb4-/+ 3.a3 e5)

    4.Bb2 Nc6

    5.ab4 Bb4-/+ 6.Bc4 Nf6 7.Qf3 0-0 8.Ne2 Bc5 9.Na3 Nd4 10.Bd4 Bd4 11.Nd4= ed4 12.0-0 Qc7 13.Qd3 Qf4 14.f3 d5=+ 15.ed5 Bf5 16.Qe2 d3 17.Qe3 Qh4 18.cd3 Rfe8 19.Qf2 Qf2 20.Kf2 a6 21.g4 Bg6 22.g5 Nd7 23.Rfe1 b5 24.Re8 Re8 25.Nb5 ab5 26.Bb5 Bf5 27.Ra7 Rd8 28.Ke3 Nb6 29.Bc4 g6 30.Kd4=+ Be6 31.Ra5 Kg7 32.Ke5 Bf5 33.Rb5 Nc8 34.h4 Bd7 35.Rb7 Ba4 36.Rb4 Bd1 37.Kf4 Nd6-/+ 38.Rb6 Be2 39.Rc6 Kf8 40.Rc7 Rc8 41.Rc8 Nc8-/+ 42.Ke3 Bd1 43.d4 Ke7 44.Bd3 Kd6 45.Bb1 Ne7 46.Ke4 Nd5 47.Ba2?? Bc2 (47...Bc2 48.d3 Nc3 49.Ke3 Na2-+) 0–1. Popovic,Pr (2020) – Aksentijevic,M (2170), Spring Open Belgrade YUG, 2003.

    5.ab4 Bb4-/+ 6.Nf3 Bc5 7.Nc3 Nf6 8.Ne5 Ne5 9.d4 Qb6 10.Na4.

    5.ab4 Bb4 6.Nf3 d6 7.c3 Bc5 8.d4 Bb6 9.Bb5 Bd7 10.0-0 Nge7 11.c4 ed4 12.Nd4 0-0 13.Nc6 Bc6 14.Qg4 Ng6 15.Rd1 Re8 16.Nd2 Ne5 17.Qg3 Qf6 18.Kf1 Qg6 19.Ra3 Ng4 20.Rf3 Ne5 21.Qg6 hg6 22.Rg3 Rac8 23.f4 Nd7 24.Nf3? Bb5 25.cb5 Re4 26.f5 Rc2 27.Bd4 Bd4 28.Nd4 Rc4 29.Ne2 gf5 30.Rd6 Nf8 31.Rd8 g6 32.Rd5 Rg4 33.Re3 Ne6 34.Rd7 Rc7 35.Rd6 Rc5 36.h3 Rb4 37.Nc3 Nd4 38.Rd8 Kg7 39.Nd5 Rbb5 40.Nc3 Rb4 41.Rd3 Rb3 42.R3d4 Rbc3 43.R8d7 Rc7 44.Rd8 b5 45.Rb8 Rc1 46.Kf2 Rb1 47.Rd5 a6 48.Ra8 Rc6 49.Rd7 b4 50.Raa7 Rb2 51.Kg3 f4! 52.Kf4 Rf2 53.Kg3 Rff6 54.Ra8 Rb6 55.Rdd8 Rfe6 56.Rg8 Kf6 57.Kf4 b3 58.g4 Rb4 59.Kf3 b2 (59...b2 60.Ra6 Ra6 61.Rd8 b1Q 62.g5 Ke7 63.Rd1 Qd1 64.Ke3 Ra3 65.Kf2 Rb2) 0–1. Day,Angela (1800) – Ristoja,Aulikki (1800), Haifa ol (Women) prel, 1976.

    5.ab4 Bb4-/+ 6.f4 A) 6...ef4 7.Qg4 Bf8 8.Qf4 d5 9.ed5 Nb4 10.Na3; B) 6...d5 7.ed5 Qd5 8.Nf3 Qe4 9.Qe2 Qc2 10.Be5; C) 6...Qf6 7.Qf3 d6 8.Bb5 Bd7 9.Qg3 Nge7 10.Ne2; D) 6...Nf6 7.fe5 Ne4 8.Qg4 Ng5 9.Nf3 Nf3 10.gf3; E) 6...Bf8 7.Qf3 ef4 8.Qf4 d5 9.ed5 Nb4 10.Qe5; F) 6...Qb6 7.Nc3 F1) 7...ef4 8.Nd5 Bd2 9.Kd2 Qb2 10.Nc7 Kd8 11.Na8=; F2) 7...Nf6 8.fe5 Bc3 9.Bc3 Ne4-/+ 10.Qf3.

    5.Bc4 Bc5 6.ab4=+ Bb4 7.c3 Bc5 8.d4 Bb6 9.Nf3 d6 10.de5 (10.Nbd2 Nf6=+) 10...de5 11.Qd8 Bd8 12.Na3 (12.Bb5 Bd7=+) 12...a6 (12...Nf6!?-/+) 13.Nb5=+ Nh6 (13...Ke7 14.Ba3 Kf6 15.Nd6=+) 14.Nd6 Ke7 15.Ba3 Kf6 16.Bd5 Ba5 17.Bb2 Bc7 18.Nc4 Re8 19.Bc1=+ Bg4 20.Bg5 Kg6 21.Be3 Ng8 22.Ng5 Be6 23.0-0 Nf6 24.Be6 fe6-/+ 25.f3 h6 26.Nh3 b5 27.Bb6 Bb8 28.Na5 Rc8 29.Rfd1 Na5 30.Ba5 Ne8 31.Nf2 Nd6 32.Ra2 Nc4 33.Bb4 Ba7 34.Rd7 Rd8 35.Rd8 Rd8 36.Kf1 a5 37.Ba5 Rd7 38.Bb4 Ne3 39.Ke2 Ng2 40.Ra5 Nf4 41.Ke1 Bf2 42.Kf2 Rd2 43.Ke1 Rh2-+ 44.Rb5 h5 45.Bd6-/+ Nd3 46.Kd1 Kf6 47.c4 Nb2-+ 48.Ke1 Nd3 49.Kd1 h4 50.c5 Nb2 51.Kc1? Nc4?? 52.Rb4? Nd6?? 53.cd6=+ Kf7?? 54.Rb8+- Rh1 55.Kd2 h3 56.d7 h2 57.Rh8 (57.Rh8 Rb1 58.d8Q+-) 1–0. Perrottey – Papapostolou,Christos, Leipzig olm fin–C (10), 1960.

    5.Bc4 Bc5 6.ab4 Bb4 7.c3 Bc5 8.d4 Be7 9.Nf3= ed4 (9...Qb6 10.Qe2=) 10.cd4 (worse 10.Nd4 Nf6-/+) 10...Qb6 (10...Nf6 11.e5 Ne4 12.d5 Bb4 3.Kf1=) 11.Qe2 (11.Bc3 Nf6 12.e5 Ne4=) 11...Nf6 (11...Na5 12.Bd5=) 12.Nc3 Nd4 (12...d6 13.d5 Ne5 14.Nb5=) 13.Nd4 Qd4 14.e5 Ng4 (better 14...Ng8!? 15.0-0 Qb6+=) 15.Nd5+- Qf2 16.Qf2 Nf2 17.Kf2 (17.Rf1 Ng4 18.Nc7 Kd8 19.Na8 Ne3+-) 17...Bc5 18.Kg3 0-0 (better 18...Rb8!?+-) 19.Ba3 Ba3 20.Ra3 b6 (20...a6 21.Rf1 g6 22.Nb6+-) 21.Ne7 (21.Nb6 Rb8 22.Nc8 Rfc8+-) 21...Kh8 22.Bd5 Rb8 23.Ra7 b5 (23...Re8 24.Nc8 Rbc8 25.Rd7 Re5 26.Rb1+-) 24.Rha1 (worse 24.Nc8 Rfc8 25.Bf7 Rc5+-) 24...f6 (24...g6 25.Ra8 Bb7 26.Bb7+-) 25.ef6 gf6 26.Ra8 (26.Nc8?! Rfc8 27.Rd7 Rd8 28.Rd8 Rd8+-) 26...Ra8 (26...Bb7 27.Bb7 Ra8 28.Ba8+-) 27.Ra8 (27.Ba8?! Re8 28.Nd5 h6+-) 27...Kg7 28.Rc8 Rc8 29.Nc8 Kg6 (29...Kf8 30.Kf4+-) 30.Kf4 h6 31.Nb6 d6 32.Nc8 b4 33.Nd6 h5 34.Bf7 Kg7 35.Kf5 (35.Bh5 Kf8+-) 35...h4 36.h3 Kf8 (36...b3 37.Bb3 Kf8+-) 37.Kf6 b3 38.Nc4 (38.Bb3?!) 38...b2 39.Ne5 (39.Nb2?!) 39...b1N (39...b1Q 40.Nd7) 40.Nd7 1–0. marekt – Mango Mick, ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bb2 Nc6)

    5.Bc4 Bc5 6.ab4=+ Bb4 7.c3 Bd6 8.Nf3=+ Nf6 9.Qe2 Bc7 10.d4.

    5.Bc4 Bc5 6.ab4=+ Bb4 7.Nf3 d6=+ (7...Qc7 8.Nc3 Nf6 9.Nd5 Nd5 10.ed5) 8.c3 Ba5 9.Qb3 Qd7 10.0-0.

    5.Bc4 Bc5 6.Nf3 A) 6...Qb6 7.0-0 (7.Qe2 d6 8.0-0 Nf6 9.ab4 Nb4 10.d4) 7...d6 8.d3 Nf6 9.ab4 Nb4 10.Nc3; B) 6...Qe7 7.ab4 Bb4 8.Nc3 Nf6 9.Qe2 0-0 10.Ra4; C) 6...Qc7 7.ab4 Bb4 8.Nc3 Nf6 9.Nd5 Nd5 10.ed5; D) 6...d6 7.ab4 Bb4 8.c3 Ba5 9.d4 Qb6 10.Qc2.

    5.Bc4 d6 6.ab4 Nb4 7.Na3 Nf6 8.d4 Nc6 9.de5 Ne5 10.Bb5 Bd7 11.Qd4 Nc6 12.Qe3 Be7 13.Ne2 0-0 14.0-0 a6 15.Bc4 b5 16.Bb3 Ng4 17.Qd2 Nf6 18.Ng3 (18.Qe3!?=) 18...Ne5 19.f4 Nc6 20.Rad1 Bg4 21.Rde1 Qb6 22.Kh1 Be6 23.Bd5 Rae8 (23...Nd5 24.ed5 b4 25.Nb1 (25.de6?! ba3 26.Ba3 Qd4=) 25...Bd5 26.Qd5+-) 24.Nf5 (24.c4 b4 (worse is 24...Nd5 25.cd5 Qa5 26.Qe2+-) 25.Nc2 A) 25...Nd5 26.cd5 b3 27.Ne3+- (27.de6?! bc2 28.ef7 Rf7 29.Qc2 Bh4=); B) 25...a5+=) 24...Nd5 25.Ng7 Nf6 26.Ne8 Ne8 (worse is 26...Re8 27.f5 Ng4 28.fe6 fe6 29.Qf4+/-) 27.f5 Bc4 (27...Bc8 28.Rd1+=) 28.Rf3 f6 29.Nc4 bc4 30.Qd5 Kh8 31.Bc1 (31.Qc4!? Ne5 32.Qe6=) 31...Qc5 32.Qd2 Ne5 33.Rh3 Rg8?? (better is 33...Ng4 34.Rf1 Rg8-/+) 34.Rh7!! (34.Rh7 Kh7 35.Qh6) 1–0. Beijer,Bart (1700) – Ham,Jaap (1740), Groningen Harmonie op–B, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bb2 Nc6)

    5.Bc4 Nf6 6.Qe2-/+ ba3 7.Na3 Bc5 8.Nf3 d6 9.0-0 0-0 10.Rfb1.

    5.Bc4 Nf6 6.Qf3 Bc5 7.Ne2 (7.ab4 Nb4 8.Qb3 0-0 9.Ba3 Qb6 10.Bb4) 7...d6 8.ab4 Nb4 9.Qb3 Ne4 10.d4.

    5.Bc4 Nf6 6.Nf3 ba3 7.Na3 Ba3 (7...Ne4 8.Bd5 Nf6 9.Bc6 dc6 (worse is 9...bc6 10.Ne5 Be7 11.0-0=) 10.Ne5 Be7-/+) 8.Ra3 d6 9.0-0 0-0 (9...Ne4 10.Qe2 d5 11.d3 dc4 12.Qe4= (worse is 12.de4 Qe7-/+)) 10.Re1 Be6 11.Bf1 Rc8 12.h3 Qb6 13.Bc3 Nd4 (better is 13...Qc5!? 14.Qa1 a6+=) 14.Bd4+= ed4 15.Bd3 a6 16.Qa1 The isolani on d4 becomes a target 16...Qc5 17.Nd4 Qg5 18.Re3 Qe5 19.c3 Rfe8 20.Qb2 Rc7 21.Bb1 Qc5 22.f4 Bc8 23.Kh2 b5 24.Rb3 Be6 25.Rb4 Bd7 26.Rg3 h6 (26...Ne4? 27.Be4 Re4 28.Nb5+-) 27.Nb3 Qh5 28.f5 Kh8 29.d4?? (better is 29.Rd4=) 29…Bc6 ½–½. Bach,Matthias (2315) – Cebalo,Miso (2440), First Saturday GM April, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bb2 Nc6)

    5.Nf3 ba3 6.Na3= d6 7.Bb5 Nf6 8.0-0 Be7 9.d4 (9.Qe2 Bd7=) 9...ed4 (9...0-0 10.Qd3 Qb6 11.Rfe1+=) 10.Nd4= Bd7 11.Nf5 (11.Nc6 bc6 12.Bd3 Rb8=) 11...Bf5 12.ef5 0-0 13.Nc4 a6 14.Bc6 bc6 15.Ra4 (15.Re1!?=) 15...d5+= 16.Ne5 Qc7 17.Qa1 (17.Ng4 Ng4 18.Rg4 f6+=) 17...a5 (17...Rfe8 18.c4-/+) 18.c4+= Ne4 (18...Rfe8 19.cd5 Nd5 20.Nc4+=) 19.Ng4= d4 20.Bd4 f6 21.Bc3 (21.Re1!? Nc5 22.Ra3=) 21...Bc5+= 22.Bd4 Bb4 23.Ne3 Rad8 24.c5 Nd2 25.Rd1 Nb3 26.Qa2 Qf7-+ 27.Nc2? Rfe8 28.g3? Re2-+ 29.Rd3 Rc2! (29...Rc2 30.Qc2 Nd4-+) 0–1. Dotsenko,Serg1 (2185) – Khismatullin,D (2635), St Petersburg RUS, Botvinnik Mem2012, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.Nf3 Bc5 6.ab4+= (6.Be5? Ne5 7.Ne5 Bd4 8.Nf7 Qf6-+ (8...Kf7?! 9.c3 bc3 10.dc3-/+)) 6...Qb6 7.bc5 Qb2 8.Ra4 Nb4 (8...b5!? 9.cb6 Qb6+=) 9.Na3+/- Nf6? (better is 9...d5 10.c3 de4 11.Ne5 Be6+/-) 10.c3+- d5 11.cb4 (11.Rb4?! Qa3 12.Bb5 Ke7 13.Ne5 Ne4+=) 11...Bd7 12.Bb5 Ne4 13.Bd7 Kd7 14.0-0 Rae8 (14...g5+-) 15.Re1 (worse is 15.Ra7 Qb4 16.d4 ed4+-) 15...f6 (15...f5+-) 16.Re4! 1–0. Bevilacqua,Roberto – Coppola,Guido, Como–ch Provinciale, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bb2 Nc6)

    5.Nf3 Qc7 6.Bc4 Nf6 7.0-0 d6 8.Qe2 Be7 9.ab4 Nb4 10.d4 Nc6 11.Bf7?? (better is 11.Nc3=) 11...Kf7-+ 12.Qc4 Kf8 13.de5 de5 14.Rd1 b5! 15.Qb3 (15.Qb5 Ne4) 15...Ne4 16.Nbd2 Nc5 17.Qe3 Bg4 (17...Nd7 18.Ne4-+) 18.Re1 (18.Ne5 Ne5 19.Be5 Qd7-+) 18...Bd6 19.h3 Bf3 20.Nf3 Re8 21.Rad1 h5 22.Nh4 Ne7 23.Ba3 Nb7?? 24.Qf3+= Kg8 25.Qb3 Kh7 26.Qd3 g6 27.Bd6 Nd6 28.Re5? Ndf5-+ 29.Nf5?? Qe5 (29...Qe5 30.Nd4 Rd8-+; 29...gf5?! 30.Rf5 Ng6 31.Qb5=) 0–1. Kerber,Alfred (1920) – Kranewitter,Norbert (2135), AUT–chT2W, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bb2 Nc6)

    5.Nf3 d6 6.ab4= Nb4 7.c3 Nc6=+ 8.d4 ed4 9.cd4 Nf6 10.d5= Ne5 11.Be5 de5=+ 12.Bb5 Bd7 13.Qa4 Bd6 14.Nbd2 0-0 15.Bd7 Nd7 16.Nc4 Nc5 17.Qc2 f6 18.0-0 Qe7 19.Nh4 g6 20.Rfc1 Bc7?? 21.d6!+/- Bd6 22.Nd6 Qd6 23.Qc5 Qc5 24.Rc5 Rfc8 25.Rac1?? Rcb8 26.Nf3 b6 27.Rc6 Rd8? 28.Rf6+- Rac8 29.Ra1 Rc7 30.Ne5 Rdc8 31.f3 Kg7 32.Re6 b5 33.Rea6 Ra8 34.R1a5 b4 35.Rb5 Rc1 36.Kf2 Rac8 37.Ra7 Kg8 38.Rb4 R1c7 39.Rbb7 Rb7 40.Rb7 g5 41.Nf7 1–0. Kernodle,Roger – Phillips,Ray, IECC, 1997.

    5.Nf3 d6 6.d4 ed4 7.ab4 Nb4 (7...d5 8.ed5 Qd5 9.b5 Bb4 10.Nbd2+=) 8.Nd4 Nc6 9.Bc4 Nf6 10.0-0 Be7 (worse is 10...Ne4 11.Re1 d5 12.Nc6 bc6 13.Re4 Be7 14.Rd4+= (worse is 14.Bg7 Rg8-/+)) 11.Nc3 0-0 12.Nd5 Nd5 (worse is 12...Ne4 13.Qe2 Re8 14.Qe4+-) 13.Bd5 Nb4 14.Bb3 Bf6 15.c3 Nc6 16.Ba3 Nd4 17.cd4 Re8 18.Qh5 g6 (18...Be6!? 19.Ba4 Bd7+=) 19.Qf3= Be6 20.Ba4 Rf8 21.e5 de5 22.Bf8 Kf8 23.de5 (23.Qb7!? ed4 24.Bc6=) 23...Be5+= 24.Rad1 Qh4 25.Qa3 Kg7 26.g3 Qf6 27.Qe3 (27.Qd3!?-/+) 27...Bh3-+ 28.Rfe1 Bc3 29.Re2 Bg4 30.f3 (better is 30.Rd3 Be2 31.Rc3-+) 30...Qf3 (worse is 30...Bf3 31.Rf2 Bd1 32.Rf6 Bf6 33.Bd1+=) 31.Rd7 (31.Rd6 Qe2 32.Qc3 Kg8 33.Bd1-+) 31...Qe3 (31...Qe2?! 32.Qc3 Kg8 33.Bd1-+) 32.Re3 0–1. Robeller,Ludwig – Schipkov,Boris (2330), Kecskemet op1, 1990. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bb2 Nc6)

    4.ab4 Bb4

    5.Ba3 Ba3 6.Na3 Nf6 7.Nc4 Nc6 8.Nd6 Kf8 (8...Ke7 9.Nc8 Rc8 10.Bd3-+) 9.Bc4 Qe7 (better is 9...Qb6!? 10.Nf7 Qd4+=) 10.Nf7= d5 11.Nh8?? (better is 11.Bd5 Nd5 12.ed5 (worse is 12.Nh8 Nf6-/+) 12...Kf7 13.dc6+=) 11...dc4-+ 12.c3 (12.Nf3 Kg8-+) 12...Kg8 13.Ne2 (13.Qe2 Qc5-+) 13...Ne4 14.0-0 Kh8 15.Ng3 (15.d3 cd3 16.Qd3 Nc5-+) 15...Nf6 (15...Nc5 16.Qe2 Be6 17.f4-+) 16.Qc2 b6 (16...Be6 17.Rfb1-+) 17.Rae1 (17.Rfb1 Qc7-+) 17...a5 18.f4 (18.Qb2 Qc7-+) 18...a4 19.fe5 Ne5 20.Kh1 Bb7 21.Rf5 Nfd7 22.Qd1 g6 23.Rf3 Bf3 24.gf3 Qd6 25.Ne4 Qc6 26.Kg2 Nd3 27.Re3 a3 0–1. Ward,Bill – Briggs,Cliff, Sheffield CC Webserver Tournament No.1, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    5.Ba3 Ba3-/+ 6.Na3 Nf6 7.d3 Qa5 8.Qd2 Qd2 9.Kd2 a6 10.Be2 d5 11.Nf3 de4-/+ 12.Ne5 0-0 13.Rhd1 Nbd7 14.Nec4 Nc5 15.Ne5 Bf5 16.Nac4 Rfd8 17.Ke1 ed3 18.cd3 b5 19.Nb6 Rab8 20.Rac1? Rd6 21.Rc5-/+ Rdb6 22.Nf3 Bg4 23.Nd4 Be2 24.Ke2 b4 0–1. wwidener (1800) – rpatru (2165), net–chess.com, 2009.

    5.Bb2 Nc6 6.f4 Nf6 7.fe5 Ne4 8.Nf3 (8.Qg4!? Ng5 9.Nf3 Nf3 10.gf3-/+) 8...0-0 (8...Qb6 9.Qc1-+) 9.Bd3-/+ Ng5 10.0-0 Bc5 11.Kh1 d6 12.ed6 Bd6 13.Ra4 Nb4 14.Rb4? (better 14.Ba3!? a5 15.Bb4 Bb4 16.c3-/+) 14...Bb4-+ 15.Nc3 (15.Qe1 Nf3 16.Rf3 Re8-+) 15...Bg4 16.Ne4 Ne4 17.Be4 Bf3 (17...Re8!? 18.d3-+) 18.Qf3 Qd2 (18...Bd2?! 19.Bb7 Rb8 20.Be5-/+) 19.Qg3 (19.Qh5 Qh6 20.Qh6 gh6 21.Bb7 Rab8-+) 19...Qh6 20.Rf6 (20.Bb7 Rad8 21.Qf3-+) 20...Qd2?? (better 20...Rfd8 21.Bd3 Rd3 22.cd3 Qd2-+) 21.Qg7!! Kg7 (21...Kg7 22.Rg6 Mate attack) 22.Rg6 1-0. Shahaliyev,Ismayil (2410) - Alice,M (2200), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Bb2)

    5.Bb2 Nc6 6.Qg4 Qf6-/+.

    5.Bb2 Nc6 6.Qg4 Kf8 7.Nh3 (better 7.Qg3!?=+) 7...d5-+ 8.Qg3 Nf6 (8...de4 9.Ng5 Bf5 10.Bc4-+) 9.ed5-/+ Qd5 10.Nc3 (10.Ng5 Ne4 11.Ne4 Qe4 12.Kd1 Qg4 13.Qg4 Bg4 14.f3 Be6-/+) 10...Bc3-+ 11.Qc3 Qe4 12.Kd1 Bf5 (12...Qh4 13.f3 Bh3 14.gh3-/+) 13.f3 Qd5 14.Ng5 (14.Bc4 Qd8=+) 14...Bg6 (14...b5 15.Qb3 Rb8 16.Ra6 Qb3 17.cb3=+) 15.Bc4=+ Qd7 16.Re1 e5 seems the pivot of the position 16...h6 17.Ne4 (17.Nh3 Kg8-/+) 17...Ne4 18.fe4 Kg8 (18...Bh5 19.Be2 Be2 20.Ke2-/+) 19.Bd5=+ Kh7 20.Qg3 (20.Bc6 bc6 21.Qe5 Qg4 22.Kc1 Rhg8=+) 20...f6 21.h4 (21.Qh4 Nb4 22.Bb3 a5-+) 21...Bf7 (21...Bh5 22.Kc1-+) 22.c4 (22.Bf7 Qf7 23.Qf3 Rhd8-/+) 22...Nd4 (better 22...Bh5!? 23.Kc1 Rhb8-+) 23.Bd4=+ ed4 24.Qd3 Rhe8 25.Qd4 (25.Rf1 Kg8-/+) 25...Qg4 26.Kc2 Bd5 27.Qd5 Re5 (27...Qg2!? 28.Qf5 Kh8-+) 28.Qb7=+ Rae8 Can e4 get defended? 29.Ra7 Re4 30.Re4 Re4 31.d3 Qe2 (worse 31...Qg2 32.Kb3 Rg4 33.Qg2 Rg2 34.c5+-) 32.Kc3 The mate threat is Qxg7 32...Qe1 (32...Rg4 33.Qf3 Qe5 34.Kb3 Rh4 35.Qd5 Qd5 36.cd5=) 33.Kb3= Qb1 34.Kc3 Qc1 35.Kb3 Qb1 36.Kc3 Qc1 37.Kb3 Qb1 ½–½. Aleskerov,F (2315) – Chjumachenko,Andrey (2325), PRO League Group Stage, 2018. (=1.e4 c5 2.a3 e5 3.b4 cb4 4.ab4 Bb4)

    5.Nf3 Qe7 6.Bc4 Nf6 7.c3 Bc5 8.d4 ed4 9.0-0 d5 (9...Qe4? 10.Re1 0-0 11.Re4 Ne4 12.cd4+-) 10.ed5 0-0 11.Nd4 Bd6 12.Nb5 Ng4 13.h3 (13.Ra7 Bh2 14.Kh1 Qh4-+; 13.Na7 Bh2 14.Kh1 Qh4 15.Qg4 Bg4 16.Bg5 Qh5 17.Bh4 Qh4 18.Rc1 Bf4 19.Kg1 Qh2 20.Kf1 Qh1; 13.Nd6?! Qd6 14.g3 Rd8+=) 13...Bh2 14.Kh1 Re8 (14...Qh4 15.f4 Bg3+=) 15.Be2?? (better is 15.d6 Qf6 16.Nc7 Nf2 17.Kh2 Qe5 18.Kg1 Nd1 19.Bf7 Kh8 20.Be8 Qc5 21.Kh2 Qd6 22.Bf4+-) 15...Qe2= 16.Qe2 Re2 17.hg4 Be5 18.f4 Bd7 19.fe5 (better is 19.N1a3!? a6 20.fe5 ab5 21.Bf4=) 19...Bb5+= 20.Na3 Bd3 21.Bf4 g5 22.Bg5 Re5 23.Bf6 Rd5 24.c4 Rd7 25.Rfe1 Na6 26.Rad1 Nc5 27.Re5 Rc8 28.Rg5 Kf8 29.Bg7 Ke7 30.Bc3? (30.Re1 Ne6 31.Rd5-+) 30...Bc4! 31.Rc1 Nd3 32.Rc2 Be6 33.Bb4 Nb4 (33...Nb4 34.Rc8 Rd1 35.Kh2 Bc8 36.Re5 Kf6-+) 0–1. Jensen,Arne Roger (1955) – Einvik,Gunnar (1910), NOR–chT east, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    5.f4 ef4 6.Nf3 g5 7.Bc4 (better is 7.Bb2!? Nf6 8.Ng5+=) 7...g4-/+ 8.0-0? (better is 8.Ne5 Qh4 9.Kf1-/+) 8...gf3-+ 9.c3 Qg5 10.Rf2 Be7 11.d4 Nf6 12.e5 Ng4 13.Rf3 Ne3 14.Be3 fe3 15.Qe2 Rf8 16.Re3 Na6 17.Nd2 Nc7 18.Ne4 Qh6 19.Nd6 Kd8 20.Nf7 Rf7 21.Bf7 d6 22.e6 Nd5 23.Rg3 Bg5 24.Qb5 Be3 25.Kh1 Nf6 26.Qe2?? (better is 26.Re1 Bc1 27.e7 Kc7 28.Qf1+-) 26...Bf4+/- 27.Rh3 Qf8 28.Rf3 Bg5 29.Qb5 h6? (29...Qh6 30.Re1 Kc7 31.Qc4 Kb8+-) 30.Rf6! Bf6 (30...a6 31.Qa5 Ke7+-) 31.Ra7!! Kc7 (31...Ra7 32.Qb6 Mate attack) 32.Qa5 Kc6 (32...Kb8 33.Ra8) 33.d5 1–0. Bevan,EJ – Waight,Henry Hoyer, England corr, 1887. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    5.c3 Ba5

    6.Bc4 Nc6 7.Qb3 Qe7 8.Nf3 Nf6 9.d3 Bb6 10.0-0 0-0 11.Qb2 d6 12.Bg5 h6 +=.

    6.Bc4 Nc6 7.Qb3 Qf6 8.Nf3 Bb6 9.Qb5 d6 10.d3 Nge7 11.0-0 Qg6 12.Bg5 f6 +=.

    6.Bc4 Nc6 7.Qh5 Qe7 8.Nf3 Nf6 9.Qh4 d6 10.d3 Be6 11.Be6 fe6 12.0-0 0-0 +=.

    6.Bc4 Nf6 7.Qb3 (7.Nf3 Nc6 8.Qe2 0-0 9.0-0 d6 10.Ba3 a6 11.Rd1 Bg4 12.h3 Bh5-/+; 7.d3 Nc6 8.Nf3 0-0 9.0-0 d6 10.Bg5 Bg4 11.Qe2 h6 12.Bh4 g5+=) 7...0-0 8.d3 (8.Nf3 Nc6 9.d3 Bb6 10.Ng5 d5 11.Bd5 Nd5 12.ed5 Na5+=) 8...d6 (8...Nc6 9.Nf3 Bb6 10.Ng5 Qe7 11.Qb6 ab6 12.Ra8 Qd8+=) 9.Nf3 h6 (9...Bb6 10.Ng5 Qe7 11.0-0 Nc6 12.Qb2 Na5-/+) 10.h4 (10.Nh4 Bb6 (10...Qc7 11.0-0 a6 12.Ng6 b5+=) 11.0-0 (11.Nf3 Nc6-/+ 12.Nbd2 Na5-/+) 11...Qd7 12.Nd2 Nc6-/+) 10...Bb6 (10...Nc6 11.Qa2 a6 12.0-0 Bg4-/+) 11.Ng5 (better is 11.Nbd2!?-/+ Nc6 12.0-0 Bg4-/+; 11.0-0 Nc6 12.Nbd2 Bg4-/+) 11...hg5-+ 12.hg5 g6?? (better is 12...d5 13.ed5 Ng4-+) 13.gf6= Qf6 14.f3 Kg7?? (better is 14...Nc6=) 15.Bh6+- Kg8 16.Bf8 Kf8 17.Qb6!! ab6 18.Ra8 Qg5 19.Kf2 Kg7 20.Rb8 Qd8 21.Na3 Qc7 22.Ra8 Bd7 23.Kg3 b5 24.Nb5 Qb6 25.Ra2 f5 26.ef5 gf5 27.Rh5?? Qg1 28.f4 ef4 29.Kf4 Qc1 30.Kg3 Qe1 31.Kh2 f4? 32.d4+- Kg6 33.Rd5 Qh4 34.Kg1 Qe1 35.Bf1 Kg7 36.Re2 Qh4 37.Nd6 Qg4 38.Ree5 Kf8 39.Ne4 Bc6 40.Rd8 Kf7 41.Bc4 (41.Bc4 Bd5 42.Bd5 Kg7 43.Rg8 Kh6 44.Rg4 f3 45.Nf6 f2 46.Kf2 b5 47.Rh5) 1–0. Helin,M (1970) – Abrahamsson,Daniel, 25th Politiken Cup, Copenhagen DEN, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Ba5)

    6.d4 Qc7 A) 7.Ne2 Nf6 (7...Bb6 8.f3 d6 9.Na3 Nf6 10.Nb5 Qc6 11.Rb1 0-0 12.Ba3 Rd8=; 7...b6 8.de5 Qe5 9.Ra4 Nc6 10.Bf4 Qe6 11.Ng3 Nge7 12.Bc4 d5+=) 8.de5 Ne4 9.Qd4 Nc5 10.Qd5 Qc6 11.Nf4 Bc7 12.Bc4 0-0+=; B) 7.Nf3 ed4 8.Qd4 Nf6 9.Bc4 Nc6 10.Qd3 0-0 11.0-0 Re8 12.Ba3 Qd8+=; C) 7.Bd2 Nf6 8.de5 Qe5 9.Bd3 Nc6 10.Nf3 Qe6 11.0-0 Bc7 12.Na3 0-0 =.

    6.Nf3 Bc7 7.Bc4 Nc6 (7...Nf6 8.d3 Nc6 9.Bg5 h6 10.Bh4 0-0 11.0-0 a6 12.Nbd2 g5+=) 8.d4 Nf6 9.d5 Na5 10.Bd3 0-0 11.0-0 a6 12.Nbd2 d6 +=.

    6.Nf3 d6 7.Qa4 Nc6 8.Bb5 Bc7 9.Bc6 bc6 10.Qc6 Bd7 11.Qa6 Nf6 12.d3 0-0 13.Nbd2 Bc8 14.Qc6 Bg4 15.h3 Bd7 16.Qa6 Bc8 17.Qc6 Bd7 18.Qa6 Bc8 19.Qc6 Bg4?? (better is 19...Be6=) 20.hg4+- Ng4 21.Nc4 Rc8 22.Bg5 (22.Ra7?! Bb8 23.Qd7 Ba7 24.Qg4 Rb8+-) 22...Nf6 23.0-0 (23.Ra7?! Bb8 24.Qa6 Ba7 25.Qd6 Qd6 26.Nd6 Rc3 27.Ne5 Bd4+=) 23...a5 24.Rfb1 h6 25.Bf6 gf6 (25...Qf6 26.Rb7 Qd8 27.Qd5+-) 26.Nh4 Bb8 27.Qa4 Rc5 28.Nf5 Kh8 29.Qd1 d5 30.Qh5 Bc7 31.Qh6 (31.Qh6 Kg8 32.Qg7) 1–0. Siats,Norbert – Graessl,B, TT/4303 corr BdF, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    6.Qg4 A) 6...g6 A1) 7.Bc4 Nc6 (7...d6 8.Qe2 Nc6 9.Nf3 a6 10.0-0 Qc7 11.Ng5 Nh6 12.d3 0-0+=) 8.Qf3 Nf6 9.Ba3 d6 10.Ne2 Bb6 11.0-0 Bg4 12.Qd3 Be6+=; A2) 7.Bb5 Nc6 (7...a6 8.Qg3 f6 9.Bc4 b5 10.Bd5 Nc6 11.Qf3 Nge7 12.Qf6 Rf8+=; 7...Ne7 8.Qg5 Nbc6 9.Qf6 0-0 10.Nf3 a6 11.Be2 d5 12.d3 d4=; 7...Qc7 8.Qg3 f6 9.Nf3 b6 10.0-0 a6 11.Ba4 Bb7 12.Re1 Ne7+=) 8.Qg3 f6 9.Bc4 Nge7 10.Qf3 f5 11.Nh3 d5 12.ed5 e4-/+; A3) 7.Qf3 d6 8.Bc4 Nf6 9.d3 h6 10.Qe2 Qc7 11.Qf3 Nbd7 12.Ne2 a6+=; B) 6...Nf6 7.Qg7 Rg8 8.Qh6 Rg6 9.Qe3 Nc6 10.Ba3 Bb6 11.Qd3 d5 12.ed5 Nd5-/+.

    6.Nf3 Nc6+=

    7.Qa4 Qf6 (7...Bb6 8.Bb5 Nf6 9.d3 0-0 10.Bg5 Qe7 11.0-0 h6 12.Bh4 g5+=; 7...Bc7 8.d4 ed4 9.cd4 d5 10.ed5 Qd5 11.Bc4 Qa5 12.Nbd2 Qa4+=; 7...Qc7 8.Bb5 Nge7 9.d4 b6 10.0-0 a6 11.Bd3 Ng6 12.d5 Nce7+=; 7...Qe7 8.Bb5 Bb6 9.d3 a6 10.Ba3 Qf6 11.Bc6 dc6 12.Qb4 Bc7+=) 8.d3 Nge7 9.Bg5 Qe6 10.Nfd2 0-0 11.Be7 Qe7 12.Nc4 Bd8 -/+.

    7.Bb5 Nge7 (7...Qc7 8.0-0 a6 9.Bc6 dc6 10.d4 ed4 11.cd4 Bb6 12.Re1 Bg4+=; 7...Nf6 8.Qa4 Bb6 9.d3 0-0 10.Bg5 Qe7 11.0-0 h6 12.Bh4 g5+=) 8.0-0 a6 9.Bc6 Nc6 10.d4 ed4 11.cd4 d5 12.ed5 Qd5 +=.

    7.Bc4 Nge7 8.0-0 d5 9.ed5+= Nd5 10.Qb3 Be6 11.Qb7 Rc8 12.Bb5 Qb6 13.Qb6 Bb6 14.Ne5 Nde7 15.Ba3 Rc7? (better is 15...Kd8 16.Nc4 Bc7+/-) 16.Be7+- (16.Be7 Ke7 17.Nc6 (17.Bc6?! f6+/-) 17...Kd6 18.Na5+-) 1–0. Wilkison – Mccue, USA, 1980. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    7.Bc4 Nf6 8.Qb3 0-0 9.Ng5 Qe7 10.0-0 Bb6 11.Qc2 h6 12.Nf3 d6 13.Na3 Be6 14.d3 Rac8 15.Qe2 Na5 16.Be6 Qe6 17.Bb2 Rfe8 18.c4 Nc6 19.Nc2 Nh7 20.Ne3 Be3 21.fe3 Qg4 22.Qf2 Qd7 23.Nh4 g6 24.Qg3 Kh8? (24...Ng5 25.Ba3=) 25.d4?? (better is 25.Rf7! Qf7 26.Ng6 Kg8 27.Ne5 Qg7 28.Qg7 Kg7 29.Nc6 Kf7 30.Rf1 Kg6 31.Na7+-) 25...Ng5+= 26.c5 ½–½. Martin Molinero,Martin – Alonso Alonso,Ivan (2190), Euskadi–ch Bizkaia, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    7.d4 ed4 8.Nd4 Nf6 9.Bg5 Bb6 10.Bb5 h6 11.Bf6 Qf6 12.Nf5 0-0 -/+.

    5.c3 Bc5

    6.Bc4 Nc6 7.Nf3 Nf6 8.0-0 d6 9.d4 Bb6 10.h3 (10.Qd3 0-0+=) 10...0-0 11.d5 Ne7 12.Bd3 Ng6 13.Na3 Bd7 14.Nc4 Bc5 15.Na5 Qc8 16.Kh2 Qc7 17.c4 Bb4 18.Nb3 a5 19.g3 a4 20.Bd2 Bd2 (20...ab3?! 21.Bb4 Qb6 22.Qd2+=) 21.Nbd2 Qc5 22.Ra2 Ra7 23.Nb1 Rfa8 24.Na3 h5 25.Rg1 Nf8 26.Ng5 Ng6 27.Qd2 (27.Nf3 Rc8 28.Qd2-/+) 27...Ra6 28.Rb1 Rb6 29.Rb6 Qb6 30.Rb2 Qc5 31.Rb4 Ra7 32.Kg2 h4 33.Qb2 hg3 34.fg3? Qe3 0–1. Boettcher,Ulrich (1930) – Maurer,Heinrich (2040), Seniors Derby 5th, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    6.Bc4 Nf6 7.d3 0-0 8.Nf3 d6 9.0-0 h6 10.Be3 Bg4 11.Nbd2 Be3 12.fe3 d5 13.ed5 Nd5 (better is 13...b5!? 14.Bb5 Nd5+=) 14.Qb3+= Ne3 15.Bf7 Rf7 (15...Kh7 16.Ne5 Nf1 17.Rf1 Rf7 18.Qf7 Be2+-) 16.Ne5+- Nf1 (better is 16...Qd5 17.Qd5 Nd5 18.Rf7 Nc6 19.Nc6 Kf7 20.Ne5 Ke6 21.Ng4 Nc3 22.Re1 Kd6+-) 17.Qf7 Kh7 (17...Kh8 18.Rf1 (18.Qf1?! Be6+/-; 18.Nf1?! Bd7+/-; 18.Kf1?! Nc6 19.Ng4 Qd3 20.Ke1 Qc3+=) 18...h5 19.h3+- (worse is 19.Ng4 hg4 20.Rf5 g6+-)) 18.Rf1 (better is 18.Qg6 Kg8 19.Ng4+- (19.Kf1?! Qf8 20.Ndf3 Bf5=; 19.Nf1?! Bd7+/-)) 18...h5 (18...Be2 19.Rf2 Bd3 20.Qb7 Nc6 21.Nd3 Rb8+-) 19.Ne4 Nc6 (19...Qb6 20.d4 Nd7 21.Ng5 Kh6 22.Ng4 hg4 23.Ne6 Qe6 24.Qe6 Nf6 25.Qe7+-) 20.Nf6 (20.Nf6 Qf6 21.Rf6 Ne5 22.Qb7+-) 1–0. Van Hoek – Doeve, Leiden, 1928. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    6.Nf3 Nc6 7.Bc4 d6 8.d4= ed4 9.cd4 Bb6 10.0-0 Bg4 11.Qb3 Bf3 12.Bf7 Kf8 13.Bg8 Rg8 14.Qf3 Qf6 15.Qh5 Nd4 16.Ba3 Re8 17.Nc3 Re5 18.Qh3 Qe6 19.Qd3 g5? 20.Rab1 Bc5 21.Bc5 dc5 22.f4 gf4 23.Rf4 Kg7 24.Rb7+/- Kh8 25.Rff7 Rh5 26.e5 Nf5 27.Qe4 a5 28.Nd5+- Rd8?? 29.Rf6 Qc8 (29...Qd5?? 30.Qd5 Rg8 31.Rff7+-) 1–0. Marshall,Frank – Verlinsky,Boris, it, Moscow, 1925. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    6.Nf3 Nc6 7.Bc4 Nf6 8.d3 0-0 9.0-0 d5 10.ed5 Nd5 11.Re1 Be6 12.Ng5 (worse is 12.Ne5 Bf2 13.Kf2 Ne5 14.Bd5 Bd5-+) 12...h6 13.Ne6 fe6 14.Re2 b5 15.Bb5 Qb6 16.Ba4 Rf2 17.Rf2 Bf2 18.Kh1 Rf8 19.h3 Nd4 20.c4 Nf4 21.Nc3 Nf5 22.Ne4 Ng3 23.Ng3 Bg3 24.Bf4 Rf4 25.Bd7 a5 26.Qh5 Kh7 27.Qe8 Qf2 28.Rg1 e4 29.Be6 Rf8 30.Qc6 e3 31.Bg4 a4 32.d4 (32.Qa4 Bc7 33.g3 e2 34.Be2 Bg3 35.Rg3 Qg3 36.Qa1 Rf2 37.Qg7 Kg7 38.d4 Qg2) 32...a3 33.Qe4 (better is 33.c5-/+) 33...Kh8-+ 34.Qd3 a2 0–1. Neumann,Ulrich – Grkinic,Goran, IECG, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    6.Nf3 Nc6 7.Bc4 Nf6 8.d4 ed4 9.cd4 Bb4 10.Bd2 Ne4 11.Bb4 Nb4 12.Bf7 Kf7 13.Qb3 Kf8 14.Qb4 Qe7 15.Qe7 Ke7 16.Nfd2 -/+.

    6.Nf3 Nf6 7.Ne5= Ne4 8.d4 Be7 9.Qf3 (9.Qg4 Ng5 10.Qh5 g6= 11.Qh6 Ne6; 9.Qb3 0-0 10.Bc4 Nd6 11.Bd5 Nc6) 9...Nf6 10.Bc4 (10.Bb5 0-0+= 11.0-0 d6) 10...0-0-/+ 11.0-0 (11.Bd3 d6) 11...d6 12.Rd1? (better is 12.Nd3!?-/+) 12...Qc7 (better is 12...de5 13.de5 Nfd7 14.Qg3-+) 13.Qe2? (better is 13.Bf7 Kh8 14.Bf4-+) 13...de5 14.de5 Ng4 15.Bf4 Nc6 16.Bg3 (16.Bd5 Bc5 (16...Nce5?! 17.h3-+) 17.Bg3 Qe7-+ (17...Nce5?! 18.h3-+)) 16...Nge5 17.Rd4 (17.Nd2 Re8 18.Bb5-+) 17...Nd4 18.cd4 (18.Qe5 Qc4 19.Qd4 Qd4 20.cd4 Rd8-+) 18...Qc4 19.Qe5 Qc1 (19...Qc1 20.Qe1 Qe1) 0–1. Yrle,M – De Lagontrie,Jean, Meudon op, 1992. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    6.d4 ed4

    7.cd4 Bb4 8.Bd2 Bd2 9.Qd2 d5 10.e5 Ne7 11.Bd3 (11.Nc3!?=) 11...Nbc6=+ 12.Ne2 Qb6 (12...0-0!?=+) 13.Nbc3 0-0 (13...Nd4?? 14.Nd4 Bd7 15.Be2+-) 14.0-0 Kh8 (14...a5 15.Rfb1 Qd8 16.Ra4=) 15.Rfb1+- Qd8 16.Nb5 Be6 17.Nd6 b6 18.Rc1 a5 19.Bb5 (19.Rc3!?+-) 19...Nb4+= 20.f4 (20.Ng3!?+=) 20...Nf5= 21.Nf5 Bf5 22.Rc3 (22.Ng3 Bd7 23.Be2 Rc8=+) 22...Rc8=+ 23.Rac1 Rc3 24.Rc3 (24.Qc3? Na2 25.Qe3 Nc1 26.Nc1 Qe7-+; worse 24.Nc3 Kg8=+) 24...Bd7 25.Bd3 Qb8 (25...f6 26.Bb1=+) 26.Bb1 g6 (26...Rc8!?=+) 27.Rg3 (27.f5 Rc8 (27...gf5 28.Qh6 Rg8 29.Qf6 Rg7 30.Ng3+-; 27...Bf5? 28.Bf5 Qb7 29.Rh3+-) 28.Rg3 Rc6+- (28...Bf5? 29.Bf5 Rg8 30.Bg4+-; 28...gf5 29.Qh6 Qe5 30.de5 Rc1 31.Nc1 Nd3 32.Qf6)) 27...Rc8 (better 27...Qd8!?=) 28.f5+- Rc6 (28...Bf5? 29.Bf5 Rg8 30.Bg4+-; 28...gf5?? 29.Qh6 Rc1 30.Nc1 Qg8 31.Qf6 Qg7 32.Qg7) 29.Qh6 Qg8 (29...Bf5 30.Bf5 Qg8 31.e6 fe6 32.Rg6 ef5 33.Rg8 Kg8 34.Qg5 Kf7 35.Qf5 Ke7 36.Qh7 Kd6 37.Qg8+-) 30.f6 (better 30.fg6 fg6 31.Bg6+-) 30...Nc2?? (better 30...Rc8=) 31.h4 Bf5 32.Bc2 Rc2 33.Nf4 White prepares the advance h5 33...Be4?? (better 33...Rc8 34.Nd5 Qf8+-) 34.h5 Rc6? (34...Rc8 35.hg6 fg6 36.e6+-) 35.hg6 Bg6 (35...fg6 36.e6 Rc1 37.Kh2 Rc8+-) 36.Nd5 Rc8 37.Ne7 Qf8 38.Rg6 Qh6 (38...fg6 39.Ng6 Kg8 40.Nf8 Rc7 41.e6 a4 42.e7 Re7 43.fe7 Kf7 44.Qe6 Kg7 45.e8Q Kh8 46.Q6e7 a3 47.Qh7) 39.Rh6 Ra8 (39...Rd8 40.Rh5 a4 41.e6 fe6 42.Rg5+-) 40.Rh3 b5 (40...a4 41.Ra3 Rb8+-) 41.Rg3 a4 42.Nf5 (42.e6 fe6 43.f7 h5 44.Rg8 Kh7 45.Ra8 Kh6 46.f8Q Kg5 47.g3 Kg4 48.Qf4 Kh3 49.Qh4) 42...b4 (42...Rg8 43.e6! Rg3 44.e7 Rg8 45.Nh6 Rc8 46.Nf7 Kg8 47.Nd8 Rc1 48.Kf2 Rc2 49.Ke3 Rc3 50.Kf4 Re3 51.Ke3 h6 52.e8Q Kh7 53.Qf7 Kh8 54.Qg7) 43.Nh6 Rf8 44.e6! fe6 (44...fe6 45.Rg8) 45.f7 (45.f7 b3 46.Rg8 Rg8 47.fg8Q; 45.Rg8 Rg8 46.Nf7) 1–0. Schmitz,Karl_Heinz – Bautz,Volker (1815), Dortmund Germany, Sparkassen Open–B, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5 6.d4 ed4)

    7.cd4 Bb4 8.Bd2 Bd2 9.Nd2 Ne7 10.Bd3 Nbc6 11.Ne2 d6 12.0-0 0-0 13.f4 Kh8 14.Qb1 b6 15.d5 Nb8 16.Nc4 f5?? (better is 16...Ba6=) 17.Nb6!+- Qb6 (17...ab6 18.Ra8; 17...Qb6 18.Qb6 Combination) 18.Qb6 ab6 19.Ra8 fe4 20.Be4 Ba6 21.Re1 Re8 22.Nd4 Ng8 (22...Nd5 23.Rb8 (23.Bd5?! Re1 24.Kf2 Re8+/-) 23...Rb8 24.Bd5+-) 23.Nc6 Nc6 (23...Bb7 24.Rb8 (worse is 24.Nb8 Ba8 25.Nd7 Bd5-/+) 24...Bc6 25.dc6 Rb8 26.Bf5+-) 24.dc6 Bb5 1–0. Nytrova,Adela (1800) – Cuprova,Iva (1800), CZE–ch U16 Girls, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    7.cd4 Bb4 8.Bd2 Qe7 9.Ne2 Nc6 =+.

    7.cd4 Bb4 8.Nd2 Qe7 9.Qe2 Nf6 10.f3 0-0 11.Bb2 Re8 12.Kf2 d5 13.e5 Nfd7 14.f4 f5 15.Ngf3 a6 16.Nb3 b5 17.Qc2 Nb6 18.Bd3 Nc4 19.Bc1 Rf8 20.g4? (better is 20.Bd2-/+) 20...fg4-+ 21.Bh7 (21.Ng1 Qh4 22.Kf1-+) 21...Kh8 22.f5 gf3 23.h4 (23.Bg6 Qh4 24.Kf3 Qh3 25.Kf4 Bf5 26.Qf5 Rf5 27.Bf5 Qg2-+) 23...Ne5 (better is 23...Qa7 24.Bg6 Nc6 25.Kf3 Nd4 26.Nd4 Qd4 27.Bf4-+) 24.de5 Qe5 25.Bb2 Qe4 26.Bg7 (26.Qe4 de4 27.Bg6 Bf5 28.h5-+) 26...Kg7 27.Qc7 Kh8 28.Bg6 (28.Ra2 Qc4 29.Rc2 Qb3-+) 28...Nd7 (better is 28...Qe2 29.Kg3 Qg2 30.Kf4 Qg6 31.Qe5 Kh7 32.Ke3 Rf5 33.Qc7 Rf7 34.Qf7 Qf7 35.h5-+) 29.Rae1 Be1 30.Re1 Qh4 31.Kf3 (31.Qg3 Qg3 32.Kg3-+) 31...Qe1 32.Qh2 Kg7 33.Qh7 Kf6 (33...Kf6 34.Kg2 Ne5-+) 0–1. Zala,G (1985) – Borda,L (2125), FSFMA November, 2010. (=1.e4 c5 2.a3 e5 3.b4 cb4 4.ab4 Bb4 5.c3 Bc5)

    7.cd4 Bb4 8.Nd2 Ne7 9.Bd3 (9.Rb1 Bd2 10.Qd2 d5=+) 9...d5-/+ 10.e5 (10.Ne2 de4 11.Be4 Nbc6-/+) 10...Bf5 (10...Bc3 11.Rb1 Bd4 12.Ngf3-/+) 11.Qf3 (11.Qc2 Bd3 12.Qd3 Qc8-/+) 11...Qd7 12.Ne2 Nbc6 13.0-0 (13.Ba3 0-0-/+) 13...Bg4 (13...0-0 14.Re1-/+) 14.Qf4 Be2 15.Be2 Bc3 16.Bg4 (16.Ra4 Nd8 17.Ra2 Ne6-/+) 16...Qc7 17.Ra4 b5 18.Nb1 Ba5 (18...ba4 19.Nc3 Rb8 20.Bf3-/+) 19.Ra3 (19.Ra2 Ng6 20.Qe3 0-0=+) 19...b4 (19...Ng6 20.Qe3-/+) 20.Rg3 (20.Ra4 f6 21.Bb2 0-0-/+) 20...Bb6 21.Bb2 f5 (21...a5!?-/+) 22.Bd1 (22.Bf3 0-0=+) 22...0-0 23.Nd2 (better 23.Ba4!?=+) 23...Ng6-+ 24.Rg6 (24.Qf3 Rad8 25.Nb3 a5-/+) 24...hg6 25.Nf3 Qd7 26.Ng5 (26.Qg3 Rfc8-+) 26...Bd8 27.Re1 (27.Ba4 Bg5 28.Qg5 Qe6-+) 27...Bg5 28.Qg5 Qe6 29.h4 (29.Ba4 Na5-+) 29...a5 (29...Na5 30.Ba4-+) 30.Ba4 Ne7 (30...Rfc8 31.Rc1-+) 31.f4 (31.Qe3 Rfc8-+) 31...Rfc8 32.Re3 (32.Qg3 Rc7-+) 32...Rc7 33.h5 (33.Rh3 Qa6 34.Rb3 Qe2-+) 33...gh5 34.Rg3 g6 35.Qh6 (35.Qh5 Kg7-+) 35...Rac8 36.Bd1 (36.Qh5 Rc4-+) 36...Rc1! 37.Bc1 Rc1 38.Qh5 (38.Rd3 b3! 39.Rb3 Rd1 40.Kh2-+) 38...Kf7 (better 38...b3 39.Qe2 Qb6-+) 39.Qe2 Qc6 40.Kh2 (40.Rh3 Qa4 41.Rd3 Qa1-+) 40...Ke6 41.Rd3 (41.Qd2 Ra1 42.Qe2 Qc4-+) 41...a4 42.Qe1 (42.Rh3 b3 43.Bb3 ab3 44.Rb3 Qc4 45.Rb6 Nc6-+) 42...b3 (42...a3!? 43.Qd2 Rc3 44.Bb3-+) 43.Qb4 Rc4 44.Qb8 Nc8 45.Bf3 (45.Rg3 Ke7 46.Be2 Rd4=+) 45...Rc3 (better 45...Ke7!?-+) 46.Rc3-/+ Qc3 47.Qa8 Ne7 (47...Qd4 48.Qc8 Ke7 49.Qc7 Kf8 50.e6+-) 48.Qh8?? (better 48.Bd5 Nd5 49.Qg8 Ke7 50.Qg7 Kd8 51.Qf8 Kc7 52.Qd6 Kb7 53.Qd5 Qc6 54.Qf7 Qc7 55.e6=+) 48...Qc6 (better 48...b2 49.Qf6 Kd7 50.e6 Kd6 51.Qe5 Kc6 52.Qb8 Qd4 53.Be2-+) 49.Qb8 Nc8 (49...Kf7 50.Kg3-+) 50.Qb4 (50.Be2 Kf7 51.Bb5=) 50...Ne7 51.Qb8 Nc8 52.Qb4 ½–½. Lukac,Roman (2140) – Borosova,Zuzana (2295), Tatranske Zruby SVK, Tatry Open, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5 6.d4 ed4)

    7.cd4 Bb4 8.Nd2 Nf6 9.Bd3 0-0 (9...d5 10.e5 Ne4 11.Ngf3+=) 10.Ngf3 (10.e5 Nd5 11.Qh5 g6+=) 10...d5+= 11.e5 Ne4 12.0-0 Nd2 (12...Bf5 13.Ba3 Nc6 14.Bb4 Nb4 15.Bb1-/+) 13.Nd2 (13.Bd2 Bd2 14.Qd2=) 13...Bc3 (better is 13...Nc6!?+=) 14.Bh7+= Kh7 15.Qc2 g6 (15...Bf5 16.Qf5 Kg8 17.Ra3+=) 16.Qc3+/- Kg7 (16...Nc6 17.Ba3 Rh8 18.Rfb1+/-) 17.Nf3 Nc6 (17...f6 18.Qe3 Rh8 19.Re1+/-) 18.Bg5+- f6 (better is 18...Qd7!?+-) 19.Bf6 Rf6 20.ef6 Qf6 21.Rfe1 Bd7 (21...a6 22.Ne5+-) 22.Ne5 (22.Qb3 Nd8+-) 22...Ne5 (22...Qd6 23.Nc6 Bc6 24.Re5+-) 23.Re5 (23.de5 Qe6+-) 23...Bc6 24.Qe3 a5 (24...Kg8 25.Re6 Qf5 26.Re1+-) 25.Re7 (25.Re6 Qf5+-) 25...Kg8 26.Re1 Rf8 27.Qe6 (27.Re6!? Qf5+-) 27...Qe6 (27...Rf7 28.Qe2+-) 28.R1e6 a4? (better is 28...Rf4+-) 29.Rg6 Kh8 30.Rc6?? (better is 30.Kf1+-) 30...bc6+= 31.Ra7 Rb8= 32.f4 Rb4 33.g3 Rd4 34.f5 Rb4 35.h4 d4 36.f6 d3 37.Ra8+/- Kh7 38.f7 d2 39.Rd8 d1Q 40.Rd1+/- Kg7 41.Rd7 a3 42.Ra7 Rb3 43.Kg2 Rb2 44.Kh3 a2 45.h5 Rf2 46.Kg4 Rf7 47.Ra2+- c5 48.Rc2 Rc7 49.Rc4 Kf6 50.Kf4 Ke6 51.g4 Rf7 52.Kg5 Rg7 53.Kh4 Rc7 54.h6 Kf6 55.g5 (55.g5 Kg6 56.Ra4+-) 1–0. Curnock,A – Brown,Fred, London, 1904. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Bc5)

    5.c3 Be7

    6.Ba3 Nf6 7.Nf3 Nc6 8.d4 ed4 9.Bc4 (9.e5!? Ne4 10.Be7 Qe7 11.cd4 Qb4 12.Nbd2 Nd4 13.Ra4 Nf3 14.gf3 Qd2 15.Qd2 Nd2 16.Kd2-+) 9...Ne4 10.Qb3 0-0 11.Be7 Qe7 12.0-0 Qc5 13.Re1 Nf6 14.Nd4 Nd4 15.cd4 Qd4 16.Ra4 Qc5 17.Nc3 d6 18.Re7?? (better is 18.Nd5 Ng4 19.Ra2-+) 18...d5 19.Nd5 Nd5 20.Re5 Be6 21.h3 Rfd8 22.Bd5 Rd5 23.Qb7 (23.Rd5 Qd5 24.Qb1-+) 23...Rd1 24.Kh2 0–1. Savary,Xavier (1900) – Lamoureux,Isabelle (2110), Rennes op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nc6 7.d5 Nb8 8.Nf3 d6 9.Bd3 Nf6 10.c4 Nbd7 11.0-0 Nc5 12.Be3 (12.Nc3!?=+) 12...Nfe4-/+ 13.Bc5? (better 13.Be4!? Ne4 14.Ba7-/+) 13...Nc5-+ 14.Qc2 Nd3 15.Qd3 0-0 16.Nc3 Bd7 (16...f5 17.Qe3-+) 17.Qe3 (17.c5 f5 18.Qc4 Rf7-+) 17...a6 (17...b6 18.Rfb1-+) 18.Ne4 (18.c5 dc5 19.Ne4 Bf5-+) 18...Bg4 (18...f5 19.Ned2-+) 19.Ng3 (19.c5 Bf3 20.Qf3 f5-+) 19...Rc8 20.Rac1 b6 21.h3 Bd7 22.Qd3 a5 (22...f5 23.Qb3-+) 23.Nh2? (23.Nf5-+) 23...f5 24.f4 (24.Qa3 Rc5-+) 24...ef4 (better 24...e4 25.Qe3-+) 25.Rf4 (25.Nh5-+) 25...Bg5 26.Qd4 (26.Rcf1 Bf4 27.Rf4 b5 28.cb5 Qb6 29.Kh1 Rc1 30.Nhf1 Qb5-+) 26...Bf4 (26...Qf6 27.Re1 Bf4 28.Qf4-+) 27.Qf4 Rf6 (27...Qf6 28.Nf3-+) 28.Nhf1 (28.Nf3 a4-+) 28...Qe8 (28...Qc7 29.Ne3-+) 29.Ne3 (29.Nd2 a4-+) 29...Qe5 30.Qf3 (30.Ne2-+) 30...f4 31.Ne4 fe3 32.Nf6 gf6 33.Qe2 Bb5 (better 33...a4 34.Re1 Re8-+) 34.Qg4= Kf7 35.Qc8 Be8 36.Qe6 (better 36.Re1!? f5 37.Rf1=) 36...Qe6-/+ 37.de6 Ke6 38.Re1 (38.Rb1 Bf7 39.Rb6 Ke5-/+) 38...Kd7 39.Re3 Bf7 40.Rb3 (better 40.Rg3!?-/+) 40...Kc6-+ 41.Rc3 (41.Ra3-+) 41...Kc5 42.Rf3 (42.Ra3 Bc4 43.Kh2 Kb5-+) 42...Bc4 43.Rf6 Bd3 (better 43...a4 44.Rf5 d5 45.Kf2-+) 44.Rf3? (better 44.Kf2 d5 45.Ke3-+) 44...Be4 45.Rg3 (45.Rf7 a4 46.Kf2 b5-+) 45...b5 46.Kf1 (46.Ra3 a4 47.Kf2-+) 46...a4 (better 46...b4 47.Re3 a4 48.Re4 a3-+) 47.Ke1 (47.Rc3 Kb4 48.Rc7 a3-+) 47...b4 48.Kd1 (48.Rg5 Bd5 49.Kd2-+) 48...b3 49.Kc1 Kb4 50.Kb2 a3 51.Kc1 b2 (51...b2 52.Kd2 b1Q 53.Rf3 a2 54.h4 a1Q 55.Ke3 Qe1 56.Kf4 Qf6 57.Kg4 Qeh4) 0–1. Tichy,Tomas – Gacho,Ondrej, Golden Prague Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nc6 7.d5+/- Nb8 8.Nf3 (better is 8.d6!? Bg5 9.Bg5 Qg5 10.Na3+=) 8...d6= 9.Be3 Nf6 10.Ra7 Ra7 11.Ba7 Nbd7 12.Qa4 0-0 13.Be3 Qc7 14.h3 Nc5 15.Bc5 Qc5 (15...dc5 16.Nbd2=) 16.Bd3 Bd7 17.Qb3 b5 18.0-0 Ra8 19.Rc1 Nh5 20.Nbd2 Nf4 21.Bf1 Bd8 22.Rb1?? (22.Qb4 Qb4 23.cb4 g6+=) 22...Ra3?? (better is 22...Bb6-+) 23.Qb4+= Rc3 (23...Qc3 24.Qd6 Ra7 25.Ne5+-) 24.Bb5 Rc1 25.Bf1 Rb1 26.Qb1 Bb6 27.Qe1 Qc2 28.Qb1 Qb1 29.Nb1 f5 ½–½. Hoffmann,Reinhold (1880) – Kaiser,Hans (1680), Bad Woerishofen Seniors op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Qc7 7.f4 d6 8.Nf3=+ Nf6 9.Bd3 Bg4 10.0-0 0-0 11.h3= Bf3 12.Qf3 Nfd7 13.fe5 de5 14.Kh1 f6 15.Na3 Ba3 16.Ba3 Rc8 17.Rac1 Nb6 18.de5 Qe5-/+ 19.Qg4 N8d7 20.c4 Qe8 21.Qe2 Ne5 22.c5 Nbd7 23.Bb5 Nc6 24.Rfd1 Nde5 25.Rd6 Rd8 26.Rcd1 Nf7 27.R6d5 a6 28.Ba4 Rd5-/+ 29.Rd5 Rd8 30.Qd3 Nfe5 31.Qb3 Qf7 32.Qb6? Rd5-+ 33.ed5 Nc4 34.Qb3 N6a5 35.Qg3 Na3-+ 36.Qb8 Qf8 37.Qc7 N3c4 38.d6+/- Ne5 39.Qa5 Nf7? 40.Qc7+- Nd8 41.Bb3 Kh8 42.Qe7 (42.Qe7 h5 43.Qf8 Kh7 44.Bc2 g6 45.Qe7 Kh6 46.Qf6 Kh7 47.Qg6 Kh8 48.Qh7) 1–0. Berghof,A – Kopp,Peter (2120), Oberliga Ost C9596, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 d5 7.ed5 Qd5 8.Nf3 Bg4 9.Nbd2 e4?? (better 9...ed4 10.Bc4 Qd7=) 10.Bc4+- Qf5 11.Qa4 Nd7 (11...Kf8 12.Ne5 Nd7 13.Ng4 Qg4 14.0-0+-) 12.Ne5 Bh5?? (better 12...Kf8 13.Ng4 Qg4+-) 13.Nd7+- Qd7 (13...0-0-0 14.Ne5 e3 15.fe3 Qg5+-) 14.Bb5 (14.Bb5 Bg4 15.Ne4+-) 1–0. Janek – Ira865, internet, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 d5 7.ed5 Qd5 8.Nf3 Bg4 9.Be2 Nc6 10.c4 Qe4 11.Nbd2 Bb4 12.d5 Nd4 13.Nd4 ed4 (13...Qd4 14.Rb1 Bd2 15.Bd2 Bc8=) 14.0-0 Bd2 (worse is 14...Qe2 15.Re1 d3 16.f3 Bc5 17.Kh1+-) 15.Bg4 Bc3 16.Ra3 Nf6 17.Rc3 Qg4 (17...dc3 18.Qb3) 18.Re1 Kd8 19.f3 Qh4 20.Rd3 Re8 21.Re8 Ne8 22.Rd4 Qf6 23.c5 Rc8 24.Ba3 b6 25.cb6 (25.c6!?+/-) 25...Qb6+= 26.Kh1 Rc3 27.Bb4 (better is 27.Rb4!? Qc7 28.Qa1+=) 27...Qd4= 28.Qd4 Rc1 29.Qg1 Rg1 30.Kg1 Nc7 31.d6 Nb5 32.Kf2 Kd7 33.Ke3 Nd6 34.Bc5 a6 35.g4 Kc6 36.Bd4 f6 37.Kd3 Kd5 38.h4 Nf7 39.f4 Nh6 40.g5 fg5 41.hg5 Nf5 42.Be5 g6 (better is 42...h5!? 43.gh6 gh6-+) 43.Bf6 Nd6 44.Be5 Ke6 45.Kd4 Nf7 46.Bg7 (46.Bc7 Kf5 47.Kc5-+) 46...Kf5 47.Ke3 Nd8 48.Be5 Ne6 49.Bd6 a5 50.Kf3 a4 51.Kg3 Nd4 52.Be5 Nc2 0–1. Choba,Yulia (1830) – Chulivska,Vita (2175), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nf6 7.de5 Ne4 8.Qg4 Ng5 9.f4 d5 10.Qg3 Ne6 11.Nf3 f5 12.Qf2 (12.Be3 Nc6+=) 12...0-0 13.Be2 Nd7 14.Nd4 Ndc5 15.Nd2 g5 (15...Nd4 16.cd4 Ne4 17.Qe3-/+) 16.Ne6 (16.fg5 Ng5 17.0-0 Nce4 18.Ne4 Ne4+= (worse is 18...de4 19.h4+=)) 16...Be6 17.0-0 Rc8 18.Kh1 (18.Ra7? Nd3 19.Bd3 Bc5 20.Qc5 Rc5-+) 18...a6 19.Ba3 Qc7 20.fg5 (20.Qg3 Ne4 21.Ne4 fe4 22.Be7 Qe7 23.fg5 Bf5=) 20...Ne4 21.Qd4 Ba3 22.Ra3 Qc5 23.Qc5 (23.Nb1 Qd4 24.cd4 Rc2-/+) 23...Rc5 (23...Nc5?! 24.Rb1+=) 24.Nf3 Re8 25.Rc1 Rec8 (25...f4!?-/+) 26.Nd4+= Rc3 27.Rac3 Rc3 28.Rb1? (28.Rc3 Nc3 29.Ba6 ba6 30.Ne6-+) 28...Bc8-+ 29.h4 b5 30.Kh2 Kf7 31.Bh5 Ke7 32.Be2 f4 33.Ra1 Ng3 34.h5 Ne2 35.Ne2 Rc4 36.Rf1 f3! 37.gf3 b4 38.Kg3+= Bf5 39.Nf4 b3 40.Nd5 Ke6 41.Ne3 Rc7 42.Nf5+= Kf5 43.Rb1 Rb7 44.g6 hg6 45.h6 Ke5 46.h7 Rh7 47.Rb3 Ra7 48.Ra3 a5 49.Kf2 Kd4 50.Ke2 Kc4 51.Kd2 Kb4 52.Rd3 Rc7 53.Rd6 g5 54.Rb6 Kc4 55.Kc2 a4 56.Rf6 Kd4 57.Kb2 Ke5 58.Rf8 Rc4 59.Rg8 Kf6 60.Rf8 Kg6 61.Rg8 Kh6 62.Rh8 Kg7 63.Rh5 Kg6 64.Rh8 a3! 65.Ka2 Rc2 66.Ka3 Rc3 67.Kb2 Rf3 68.Rg8 Kh5 69.Rh8 Kg4 70.Kc2 Rf5 71.Kd2 Kf3 72.Ke1 Kg3 73.Rh5 Kg2 74.Ke2 Rf2 75.Ke3 g4 76.Rg5 g3 0–1. Kuna,Heiko (2375) – Mantu,Eugen (2450), RSS7E high–89, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nf6 7.de5 Ne4 8.Qg4 Ng5 9.Bg5 Bg5 10.Nf3 Bh6 11.Qe4 0-0 12.Bc4 d6 13.0-0 Qe7 14.Bd5 (14.Rd1 de5 15.Ne5 Nd7-/+) 14...Nd7-/+ 15.e6 fe6 16.Qe6 Qe6 17.Be6 Kh8 18.Na3 (18.Rd1 Ne5 19.Ne5 Be6 20.Rd6 Rfd8 21.Ra7 Rac8 22.Rd8 Rd8+=) 18...Nc5 (18...Ne5 19.Nd4 a6 20.Bd5-/+) 19.Bc8 (19.Bd5 Bf4-/+) 19...Rac8 (19...Rfc8 20.c4-/+) 20.Nb5 a6 21.Nd6 Rc7 22.Rfd1 Kg8 (22...Bf4 23.Kf1-/+) 23.Rd5 (23.Nd4 Bf4 24.N6f5 g6+=) 23...g6 (23...Bf4 24.Ne5-/+) 24.Ne5 (24.Re1 Bf4 25.Ne8 Rc6+=) 24...Bg7 25.g3 Nd7 (25...Nb3 26.Rad1+=) 26.f4= Rc5 27.Ra5 (27.Nd7?? Rd5 28.Nf8 Rd6 29.Nh7 Kh7-+) 27...Rd5 28.Rd5 Ne5 29.fe5 Rd8 30.c4 b6 31.Kf2 ½–½. Vetter,Joachim (2540) – Sikorsky,Horst (2510), RSX8D – Linares, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nf6 7.de5 Ne4 8.Qg4 Ng5 9.Bg5 Bg5 10.Nf3 Bh6 11.Qe4 Qb6 12.Nbd2 (12.Bd3 Qb2 13.Qa4 Qc1 14.Qd1 Nc6+=) 12...Qb2-/+ 13.Rd1 Nc6 (13...Bd2 14.Rd2 Qa1 15.Ke2-/+) 14.Bd3 (14.Qd3!? 0-0 15.Nc4+=) 14...Bd2-/+ 15.Nd2 Qc3 16.0-0 g6 (16...Qe5!? 17.Qe5 Ne5-/+) 17.Nf3+= 0-0 18.Bc4 Kg7 19.Rfe1 Qb4 20.Nd4 a5 21.Re3 Kg8 22.Nb5 Ne5! 23.Qe5 Qc4 24.Nd6 (24.Nc7!? d6 25.Rd6 Qc1 26.Re1 Qc7 27.Rg6 hg6 28.Qc7+=) 24...f6 25.Qa1 Qb4 26.Re7 b6 (26...a4 27.Nc8 Rac8 28.Rdd7=) 27.Qc1 (27.Qa2 Kh8=) 27...Qh4 28.Qd2 Qh5 29.Rb1 Kh8 30.Rb5 g5 31.Qd5 Bb7 32.Nb7 Rae8 33.Re8 Qe8 (33...Re8 34.h3 Re1 35.Kh2 Qh4+-) 34.Qd2 Qe6 35.Nd6 a4 36.Rb1 (36.Rb6 Ra8 37.Rb1 a3+-) 36...a3 37.Re1 Qb3 38.h4 a2 39.hg5 fg5 40.Qd4 Kg8 41.g4 Qf3? 42.Qc4 Kg7+/- 43.Nf5 Rf5 44.gf5 Qf5 45.Qa2 Qg4 46.Kf1 Qh3 47.Ke2 Qg4 48.Kd2 Qd4 49.Kc1 h5 50.Re7 Kh6 51.Qc2 g4 52.Qd2 (52.Qd2 Qd2 53.Kd2+-) 1–0. marekt – The Schemer, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nf6 7.de5= Ne4 8.Qg4 (8.Bc4 0-0 9.Qd5 Nc5 10.Bf4 Nc6 11.Nf3 b6 12.0-0 Bb7 13.Qd1 Ne6-/+; 8.Qd5 Nc5 9.Be3 d6 10.Bb5 Kf8 11.Nf3 Be6 12.Qd1 Qc7 13.Bf4 d5+=) 8...Ng5 (8...Bg5 9.Bg5 Ng5 10.f4 Ne6 11.f5 Qg5 12.Qg5 Ng5 13.Nd2 d5+=) 9.Bg5 Bg5 10.Nf3 Bh6 11.Qe4 (11.Bb5 Nc6 12.Qg3 Qb6 13.Na3 Qc5+=) 11...Nc6 12.Bd3 Qe7 (12...d5!? 13.ed6 Be6+=) 13.Na3= (13.0-0 a6=) 13...d6 (13...f6 14.ef6 gf6 15.Nc4=) 14.ed6 Qe4 15.Be4 Bf4 16.Rd1 (16.Nb5 Kd7 17.0-0 a5+/-) 16...Be6 (16...Kd8!? 17.0-0 Re8=) 17.g3+= Bh6 18.Nb5 0-0 (18...0-0-0 19.Bc6 bc6 20.Na7 Kb7+=) 19.Nc7+/- Rad8 20.Ne6 fe6 21.Bc6 bc6 22.Ne5 c5 23.0-0 (23.Nc6 Rd7+/-) 23...Bg5 (23...g6 24.f4+/-) 24.d7 (24.Rfe1 Bf6+/-) 24...Bf6 25.Nc6 Ra8 (25...Bc3 26.Rd6 (26.Nd8?! Rd8 27.Rd6 Kf7=) 26...Bd4 27.Rc1+/- (27.Nd4?! cd4 28.Ra1 Rf5=)) 26.Rd3 (26.Rfe1 Kf7 27.Rd6 Bc3+-) 26...c4 27.Re3 a5 28.Re6 Bc3 (28...a4!?+/-) 29.Rc1+- Bf6 30.Rc4 a4 31.Rc2 (31.Ree4 Kf7 32.Rf4 a3+-) 31...a3 32.Ree2 (32.Ra2 Kf7 33.Rd6 g5+-) 32...Bb2? (better is 32...Ra6!?+/-) 33.Rb2+- ab2 34.Rb2 Kf7 35.Re2 h6 36.Re4 Rfd8 37.Rd4 Ke6 38.Nd8 Rd8 39.Kg2 Rd7 40.Rd7 Kd7 41.Kf3 Ke7 42.Kg4 Kf6 43.Kh5 Kf7 44.h4 Kf6 45.Kg4 g6 46.h5 g5 47.Kf3 Kf5 48.Ke3 g4 49.Kd4 Kg5 50.Ke4 Kh5 51.Kf4 Kg6 52.Kg4 h5 53.Kf4 Kf6 54.f3 Kg6 55.Ke5 Kg5 56.Ke6 Kg6 57.f4 Kg7 58.f5 (58.f5 Kh6 59.f6 Kg5 60.f7 Kg4 61.f8Q Kg3 62.Qd6 Kg4 63.Qd1 Kf4 64.Qh5 Ke3 65.Qd5 Kf4 66.Qe5 Kf3 67.Kd5 Kg4 68.Ke4 Kh3 69.Qg7 Kh4 70.Kf4 Kh5 71.Qg5) 1–0. Schultz Pedersen,J (2190) – Aquilina,Joe, Australian Open, Penrith AUS, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.Nf3 d6 7.Bc4 Nf6 8.d3 0-0 9.0-0 Nc6 10.Nbd2 Rb8 (10...d5 11.ed5 Nd5 12.Re1-/+) 11.Re1 (11.Qb3 Na5 12.Qb2 Qc7-/+) 11...a6 (11...b5 12.Bd5 Na5 13.Qc2-/+) 12.d4 ed4 (12...b5 13.Bd3-/+) 13.cd4 (13.Nd4 Nd4 14.cd4 b5=+) 13...d5-/+ 14.ed5 Nd5 15.Ne4 (15.Ne5 Ne5 16.Re5 Nb4-/+) 15...Bf5 (15...Bg4!?-/+) 16.Qb3 Nb6 Attacking the isolated pawn on d4 17.d5 Na5 18.Ra5 Nc4 19.Ra1 (19.Ra2 Rc8 20.Ng3 Bg4=+) 19...Nd6 (19...b5 20.Bf4 Rb6 21.Rad1-/+) 20.Nd6 (20.Ng3 Bg6=+) 20...Bd6-/+ (20...Qd6? 21.Ba3 Qg6 22.Re7+-) 21.Bb2 Re8 22.Re8 Qe8 23.Qb6 (23.Re1 Qd7-/+) 23...Qd8 24.Qd4 (24.Qe3 Qe7 25.Qc3 f6-/+) 24...Bf8 (24...f6 25.Qe3-/+) 25.g4 (25.Qf4 Bc2 26.Rc1 Bb3-/+) 25...Bd7 (25...Bc2 26.Ba3-/+) 26.h4 White prepares the advance g5 (26.Qf4 Rc8-/+) 26...Rc8 27.g5 (27.Qe4 Be7 28.h5 Bf6-/+) 27...Bb5-+ 28.Ne5 f6 (better 28...Rc2 29.Ng4 Qd7 30.Nh6 Kh8-/+) 29.Ng4 (better 29.gf6 Qf6 30.Qg4-+) 29...Rc4 (29...fg5 30.Nh6 gh6 31.Qh8 Kf7 32.Qh7 Ke8 33.Re1 Be7 34.Bf6+-) 30.Qd1 fg5 31.h5 h6 (31...Bc5 32.Ne3 Be3 33.fe3-+) 32.Rc1 (32.Ne3 Rh4 33.Nf5 Rf4-+) 32...Rc1 33.Bc1 Qe7 (33...Be8 34.Ne5-+) 34.Ne3 Qe5 35.Ng4 (35.Qc2 g4!-+) 35...Qe2 36.Ne3 0–1. Civric,Zdravko (2200) – Pap,Misa (2500), Kragujevac SRB, Team Cup, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.Nf3 d6 7.d4 Qc7 8.Bd2 Nf6-/+ 9.Bd3 Bg4 (9...d5 10.de5 Ne4 11.0-0-/+) 10.Na3= Nbd7 11.Nb5 (11.0-0 0-0 12.Re1 Bh5=) 11...Qb8=+ 12.h3 (12.0-0 a6 13.Na3 d5=+) 12...Bh5 13.Qa4 (13.0-0!?=+) 13...0-0 14.Nh4 (14.Na7? Bf3 15.gf3 Bd8-+) 14...Bg6 (14...a6 15.Nf5 Re8 16.0-0-/+) 15.Ng6 hg6 16.0-0 a6 17.Na3 b5 18.Qb3 Rc8 (18...Qb7 19.Rfe1=+) 19.f4 (19.Rfe1 Qb7=+) 19...Qb6 20.Nc2 ef4 (20...Ra7 21.Kh2=+) 21.Bf4 (worse 21.Rf4 Ne5 22.Nb4 Nc4 23.Bc4 Rc4-/+) 21...Ne5 22.Be5? (better 22.Be2=+) 22...de5-+ 23.Rf2 (23.g4 g5-+) 23...Qc7 (23...Bd6-+) 24.de5? (better 24.Ne1-/+) 24...Qe5-+ 25.Nd4 Bc5 26.Raf1 (26.Bc2 b4 27.Qa4 bc3-+) 26...b4 27.Bc4 (27.Kh1 bc3 28.Rf6 gf6-+ (28...Bd4?! 29.Qf7 Kh8 30.R6f4+=)) 27...Ra7 (27...bc3 28.Bf7 Kh8 29.Nf3 Qe4 30.Qe6-+) 28.Kh1 (28.Bd5 a5-+) 28...bc3 29.Rf6 gf6 (29...Qd4?! 30.Bf7 (worse 30.Rf7 Kh8=+) 30...Kh8 31.R6f4+= (worse 31.Rg6 Rf8 32.Rd1 Qb4=+)) 30.Nf3 Qe4 31.Qc3 Qc6 (31...Kg7 32.Qb3-+) 32.Qd3 (32.Rd1 Kg7-+) 32...Kg7 33.Nh4 (33.Rd1 Bf2 34.Qd2 Qc4 35.Qf2 Re7-+) 33...Qd7 (better 33...a5 34.Bf7 Kf7 35.Ng6-+) 34.Qf3 (34.Qg3 Bd4 35.Qd3-+) 34...Qd4 35.Ng6 (35.Bf7 Qh4 36.Bg6 a5-+) 35...fg6 36.Ba6 Rcc7 (36...Rcc7 37.Rd1 Ra6 38.Rd4 Bd4-+) 0–1. Ridolfo,Enrico (2015) – Vianello,Enrico (2170), 23rd Venetian Autumn, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.Nf3 d6 7.d4 Qc7 8.Bd3 Be6 9.0-0 Nf6 10.Na3 a6 11.Nb5 Qd8 12.de5 de5 13.Ne5 0-0 14.Nd4 Qc8 15.Be3 Rd8 16.Qe2 Nc6? (better is 16...Qc3!? 17.Rfc1 Qb4+=) 17.Nec6+/- bc6 18.Ba6 Qd7 19.f3 Ne8 20.Bc4 Bf6 21.Rad1 (21.Ne6 fe6 22.e5 Bh4+-) 21...Qc8 (21...Bc4!? 22.Qc4 Nd6+/-) 22.Be6 fe6 23.Qc4 Bd4 24.cd4 Nd6 25.Qc5 Nb7 26.Qb6 Nd6 27.Rc1 Ra6 28.Qc5 Nb7 29.Qc4 Nd6 30.Qb3 Qd7 31.d5 cd5 32.ed5 e5 33.Rc6 Raa8 34.Rfc1 Qf7 35.Bb6 Rd7 36.Bc7 Ne8 37.Qb7 Ra5 38.d6+/- Qd5?? 39.Qc8+- Qe6 40.Ba5 Kf7 41.Qd7! (41.Qd7 Qd7 42.Rc7 Nc7 43.Rc7+- (43.Bc7?! Qa4=)) 1–0. Gracia Vergara,Ferran – Molina Barba,Josep, Pont de Vilomara op, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.Bc4 Nf6

    7.Qb3 0-0 8.Nf3 (8.d3 Bc5+=) 8...Ne4 9.Ne5 Nd6 10.Bd5 Nc6 11.d4 Ne5 12.de5 Nf5 13.0-0 d6 14.e6 (14.Rd1 a5+=) 14...fe6 15.Be6 Be6 16.Qe6 Rf7 (16...Kh8 17.Bf4+=) 17.Nd2 d5 18.c4 (18.Rd1!?+=) 18...dc4 19.Nc4 Nd4 20.Qe4 Bf6 21.Ba3 Rd7 (21...Nb5 22.Rad1 Qc7 23.Nd6 Na3 24.Qa4-/+) 22.Rab1 (22.Rfe1 Nc6 23.Rab1 Be7-/+) 22...Qe8-/+ 23.Qg4?? Qe6?? 24.Qe6-/+ Ne6 25.Rfe1 Nd4 26.Re4 b6 27.Bb2 Nc6 28.Bf6= gf6 29.Re6 Rad8 ½–½. Beyer,Dietmar (2005) – Langhanke,Guenther (2105), Muensterland Verbandsliga, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.d3 0-0 A) 8.Qe2 d5 (8...Nc6 9.Nf3 d6 10.Bg5 Bg4 11.Nbd2 Na5 12.0-0; 8...d6 9.Nf3 Nc6 10.Bg5 Bg4 11.Nbd2 Na5 12.0-0) 9.ed5 Nd5 10.Qe5 Nb6 11.Bb5 Bf6 12.Qf4; B) 8.Nf3 Nc6 9.Qe2 d6 10.0-0 Bg4 11.h3 Be6 12.Be6.

    7.d3 Nc6 8.Nf3=+ 0-0 9.Qe2 d6 10.Bg5 Na5 11.Ba2 Qc7 12.0-0.

    7.d3 d5 8.ed5=+ Nd5 9.Qb3+= Be6 10.Nf3 Nf4 11.Ne5 Bc4 12.Qc4+= Ne6 13.0-0 0-0 14.Be3 Nd7 15.Nd7 Qd7 16.Ra7? Ra7-+ 17.Ba7 b5 18.Qb3 Qa7 19.Qb5 Rb8 20.Qf5 Qa2 21.d4 Qe2 22.g3 g6 23.Qa5 Qe4 24.Nd2 Qe2 25.Qa7?? Rb2 26.Qe7 Rd2 27.Qf6 Rd1 28.Rd1=+ Qd1 29.Kg2 Qd3 30.Qf3 Qf3 31.Kf3=+ Kf8 32.h4 Ke7 33.Ke4 Kd6 34.g4 f6 35.f4 Ng7=+ 36.c4? f5-+ 37.gf5 gf5 38.Ke3 h5 39.Kd3 Ne6 40.Ke3 Nc7 41.Kd3=+ Na6 42.Kc3 Nb8 43.Kb4? Nc6-+ 44.Kc3 Ne7 45.Kb4 Ng6 46.Kb5 Nf4 47.Kb6 Nd5! 48.Kb5 Nc3 49.Kb4 Nd5 50.Kb3?? Nf4 51.Kc3 Ng6 52.Kd3 Nh4 53.Ke3 Ng6 54.Kf3 h4 55.Kg2 Nf4 56.Kh2 h3 57.d5 Nd5! 58.Kh3 Ne7 59.Kg3 Kc5 0–1. Shih,Thomas – Sorge,Philip, US Amateur Team East, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Bc4 Nf6)

    7.Qe2 0-0 8.Nf3 d6 9.0-0 Nbd7 10.d4 ed4 11.cd4 d5 12.ed5 Nb6 13.Bd3 Nbd5 14.Re1 Bb4 15.Bd2 Bg4 16.Qd1 Bd2 (16...Qb6 17.Bb4 Nb4 18.Na3-/+) 17.Qd2 (better is 17.Nbd2!? a6 18.h3-/+) 17...Bf3-+ 18.gf3 Re8 19.Be4 (19.Re8 Qe8 20.Nc3 Nc3 21.Qc3 Qd7-+) 19...Nh5 20.Na3 Nhf4 21.Kh1 Nh3 (better is 21...Qg5!? 22.Rg1 Qh5-+) 22.Nc4-/+ f5 23.Bf5 Ndf4 (23...Nhf4!?-/+) 24.Ne5 g6 25.Qa2 Kg7 26.Qf7 Kh6?? (better is 26...Kh8 27.Bh3 Nh3+/-) 27.Bh3+- Nh3 28.Ng4 Kg5 29.Rg1 Ng1 30.Rg1 Qe7 31.Ne3 Kh5= 32.Qf4 g5 33.Qg4= Kg6 34.Qf5 Kh5?? 35.Nd5 Qg7 36.Nf4 (36.Nf4 Kh6 37.Qh3) 1–0. Penttinen,Jarkko – Levomaeki,Rikumatti, Vammala, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Bc4 Nf6)

    7.Qe2 Nc6 8.Nf3 0-0 9.0-0 d5 10.ed5 Nd5 11.Ne5 (11.d3 Bg4+=) 11...Ne5 (11...Nf4!? 12.Qe4 Ne5 13.Qf4 Nc4 14.Qc4 Be6-/+) 12.Qe5= Be6 13.d4 (13.Ba3 Ba3 14.Na3 a6=) 13...Bf6 (13...Bd6 14.Qe1-/+) 14.Qe2 Re8 15.Bd5 (15.Bb5!?=) 15…Qd5 ½–½. Korpas,Zoltan (2135) – Tozser,Denes, Nyiregyhaza op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Bc4 Nf6)

    7.Qe2 Nc6 8.f4 d6 9.Nf3 0-0 10.0-0 ef4 11.d4 d5 12.ed5 Nd5 13.Bd5 Qd5 14.Bf4 Bf6 15.Na3 Bg4 16.Nb5 Rae8 17.Qb2=+ Re4 18.Nc7 Qd7 19.Qd2 a6 20.Rae1 Bf3 21.Rf3 Re1 22.Qe1 Bd8 23.Qg3 Ne7 24.h4 Ng6-+ 25.Bd6 Bh4 26.Qh2 Rc8 27.c4 Bd8 28.Nd5 Rc4 29.Ne3 Rd4 30.Nf5 Rd1 31.Kf2 Qb5 32.Kg3 Bf6 33.Kg4 Qc4 34.Kh5 Rd5 35.g4 Nh4 36.Be7 g6 37.Kh6 Nf5 38.gf5 Bg7 39.Kg5 h6 40.Qh6 Bh6 (40...Bh6 41.Kh6 Qg4 42.Rh3 Qh3 43.Kg5 Rf5) 0–1. Nishimura,Hiroyuki – Doghri,Nabil, Wch U20 Copenhagen, 1982. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Bc4 Nf6)

    7.Nf3 0-0 8.0-0 Nc6 9.d4 d6 10.d5=+ Na5 11.Bd3 Bg4 12.Be3 Bh5 13.Qa4 b6-/+ 14.Ba6 Bg4 15.Nfd2 Bd7 16.Qb4 Ng4-/+ 17.Nc4 Nc4 18.Qc4 Ne3 19.fe3 Bc8 20.Nd2 Ba6 21.Ra6=+ Bg5 22.Qe2 Qc8-/+ 23.Rf3 Qc3-+ 24.Rg3 Be7 25.h3 b5! 26.Rc6 Qa5 27.Kh2 g6 28.Nf3 b4 29.Ng5 b3 30.Qg4 Bg5 31.Qg5 b2 32.Rd6 Rad8 33.Rc6 Qe1 34.Qh6 Qg3!! 35.Kg3 b1Q 0–1. Fejzovski,Ekrem – Krivokapic,Ratko, Paris op, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Bc4 Nf6)

    7.Nf3 Nc6 8.0-0 A) 8...0-0 A1) 9.d4 ed4 (9...Ne4 10.de5 d6 11.Qc2 d5 12.Rd1 Be6 13.Be3 Rc8 14.Bd3 Nb4) 10.Re1 d5 11.ed5 Nd5 12.Nd4 Nd4 13.Qd4 Be6 14.Ra7 Ra7; A2) 9.d3 d5 (9...Rb8 10.Be3 a6 11.Bd5 Qc7 12.c4 b5 13.cb5 ab5 14.Qe2 Ng4; 9...Na5 10.Ne5 d6 11.Qa4 Nc4 12.Nc4 d5 13.ed5 Nd5 14.Qb3 Re8; 9...d6 10.Nbd2 Bd7 11.h3 a6 12.d4 b5 13.Bd3 ed4 14.Nd4 Qc7) 10.ed5 Nd5 11.Re1 Bf6 12.Ba3 Re8 13.Nbd2 b5 14.Bb5 Nc3; A3) 9.Qe2 h6 (9...Re8 10.h3 d5 11.ed5 Nd5 12.Ne5 Ne5 13.Qe5 Nb6 14.Bb3 Bd6; 9...Qc7 10.d4 Na5 11.Nbd2 d5 12.Bd3 ed4 13.cd4 de4 14.Ne4 Nb3; 9...a6 10.d4 ed4 11.Nd4 Re8 12.e5 d5 13.Bd3 Bc5 14.Nc6 bc6; 9...d6 10.Na3 a6 11.Nc2 Be6 12.Be6 fe6 13.d4 a5 14.Rd1 ed4; 9...d5 10.ed5 Nd5 11.Ba3 Re8 12.Ne5 Ne5 13.Qe5 Nb6 14.Bb5 Bd7) 10.Na3 Re8 11.Re1 d5 12.ed5 Nd5 13.Qd3 Be6 14.Nb5 Nf4; B) 8...Ne4 B1) 9.d3 Nf6 (9...Nc5 10.Bd5 0-0 11.d4 ed4 12.cd4 Ne6 13.Nc3 Nb4 14.Re1 Re8) 10.Re1 0-0 11.Ne5 Ne5 12.Re5 d5 13.Bb3 Bd6 14.Re2 Re8; B2) 9.Bd5 Nf6 (9...Ng5 10.d3 Ne6 11.Re1 d6 12.d4 0-0 13.Bc6 bc6 14.de5 a5) 10.Bc6 dc6 11.Ne5 0-0 12.Ba3 c5 13.d4 Re8 14.Re1 a5.

    7.Nf3 Nc6 8.Qb3 0-0 9.Ng5 Qe8 (9...d5 10.ed5 Na5 11.Nf7 Rf7 12.Ra5 Qa5 13.d6 Bd6 14.Bf7 Kf8) 10.0-0 (10.d3 h6 11.Nf3 a6 12.0-0 b5 13.Bd5 d6 14.Be3 Bd7) 10...Nd8 (better is 10...h6!? 11.Nf3 Ne4-/+ 12.Re1 Nc5 13.Qc2 Qd8 14.Bd5 e4) 11.d4+= d6 (11...Ne6 12.Ne6 fe6 13.Nd2 Qg6 14.f3 Nh5) 12.f4 (12.Nd2 Bd7 13.Ba3 b5 14.Bd3 Nh5) 12...ed4 (12...ef4 13.Bf4 h6 14.Nf3 Ne6) 13.cd4 (13.e5 Ng4 14.cd4 de5) 13...h6 14.e5 (14.Nf3 Ne4) 14...hg5 15.ef6 Bf6 16.Kh1 (16.Be3 Nc6 17.Kh1 Nd4 (worse is 17...Bd4 18.Bd4 Nd4 19.Qd3-+) 18.Bd4 Bd4-+) 16...Bd4 17.Ra5 gf4 18.Bf4 Qe7 (better is 18...Bc5!?-+) 19.Bg5-/+ Qe4?? (19...Qc7 20.Bd8 Rd8 21.Bf7 Kf8 22.Bg6 Bf6+/-) 20.Bd8= Be6 (20...Rd8 21.Bf7 Kh8 22.Rh5 Qh7 23.Rh7 Kh7 24.Qd3 Kh8 25.Qd4 Bg4 26.Qg4 g5 27.Qg5 Kh7 28.Qg6 Kh8 29.Qh6) 21.Bg5 Bc4 22.Qc4 Rac8 23.Qb3 Rc2 24.Qh3 Rf2+= 25.Rf5 Qe2 26.R5f2 Bf2 27.g3 Bc5+= 28.Qf5 g6 29.Nc3 Qh2 30.Kh2 gf5 31.Rf5 Kg7 32.Ne4+= b6?? 33.Bf6+- Kh6 34.Bg5 Kg6 35.Rf6+/- Kh7 36.Rh6 Kg7 37.Nf6 a5?? 38.Nh5 Kg8 39.Bf6 (39.Bf6 Bg1 40.Kg1 Re8 41.Rh8) 1–0. Ocwieja,Piotr (1665) – Nawrot,Zbigniew (1665), Mistrzostwa Polski Nauczycieli Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Bc4 Nf6)

    7.Nf3 Nc6 8.Qc2 A) 8...d6 A1) 9.0-0 Be6 (9...Bd7 10.d4 0-0 11.Nbd2 Rc8 12.de5 de5 13.Rd1 Qc7 14.Ba3 Ba3; 9...0-0 10.d4 ed4 11.cd4 d5 12.ed5 Nd5 13.Ba3 Ndb4 14.Bb4 Bb4; 9...Bg4 10.Ng5 d5 11.ed5 Nd5 12.d4 h6 13.Qb3 hg5 14.Bd5 0-0; 9...h6 10.d4 0-0 11.Nbd2 ed4 12.Nd4 Bd7 13.N2f3 Ne5 14.Bb3 a5; 9...a6 10.d4 0-0 11.Ba3 Bd7 12.Nbd2 b5 13.Bd3 Rc8 14.Qb3 ed4) 10.Na3 0-0 11.Be6 fe6 12.Nc4 b5 13.Ne3 Qd7 14.Ba3 Nh5; A2) 9.Na3 0-0 (9...Bg4 10.0-0 Bf3 11.gf3 0-0 12.Bb2 a6 13.Kh1 g6 14.d4 ed4; 9...a6 10.0-0 0-0 11.d4 Bd7 12.d5 Na5 13.Be2 b5 14.Rb1 Rc8; 9...Be6 10.0-0 0-0 11.Rb1 Rb8 12.Re1 Qd7 13.d4 ed4 14.Nd4 a6; 9...h6 10.0-0 0-0 11.d4 Bg4 12.d5 Bf3 13.gf3 Na5 14.Be2 a6; 9...Bd7 10.Rb1 Na5 11.Be2 0-0 12.0-0 a6 13.Re1 Qc7 14.d4 h6) 10.0-0 Be6 11.Be6 fe6 12.Nc4 b5 13.Ne3 Qd7 14.Ba3 a5; A3) 9.d3 Be6 (9...0-0 10.0-0 a6 11.h3 h6 12.Re1 Bd7 13.Be3 b5 14.Ba2 Qc7; 9...Rb8 10.Be3 0-0 11.0-0 d5 12.ed5 Nd5 13.d4 ed4 14.Nd4 Ne3; 9...Bd7 10.0-0 0-0 11.h3 Qc7 12.Be3 a6 13.Na3 b5 14.Ba2 Nd8; 9...h6 10.0-0 0-0 11.Nbd2 Qc7 12.d4 Bd7 13.Ba3 a6 14.d5 Na5; 9...a6 10.0-0 0-0 11.h3 h6 12.Qa2 Bd7 13.Be3 b5 14.Bd5 Qc7) 10.0-0 0-0 11.Nbd2 d5 12.ed5 Bd5 13.Re1 Qc7 14.Bd5 Nd5; A4) 9.d4 0-0 (9...a6 10.0-0 0-0 11.Ba3 Bg4 12.Nbd2 Rc8 13.d5 b5 14.h3 Bf3; 9...Bd7 10.0-0 0-0 11.Nbd2 Rc8 12.Ba3 ed4 13.cd4 b5 14.e5 de5; 9...ed4 10.cd4 d5 11.ed5 Nd5 12.0-0 0-0 13.Nc3 Be6 14.Ba3 Ndb4; 9...Qc7 10.0-0 0-0 11.Nbd2 a6 12.Ba3 Bd7 13.Bd3 Rfe8 14.Qa2 b5) 10.0-0 ed4 11.Nd4 Bd7 12.Na3 Nd4 13.cd4 Rc8 14.Qd3 a6; B) 8...Na5 B1) 9.Be2 0-0 10.Ne5 Qb6 11.0-0 d6 12.Ba3 Be6 13.d4 Rfe8 14.Nf3 Bb3; B2) 9.Bd3 0-0 (9...Qb6 10.Ne5 Nb3 11.Ra4 Nc1 12.Qc1 0-0 13.0-0 Bc5 14.Qc2 d6; 9...Qc7 10.0-0 0-0 11.Qa4 Nc6 12.Na3 d5 13.Nb5 Qd8 14.ed5 Nd5; 9...d6 10.Bb5 Nc6 11.Na3 0-0 12.0-0 Bd7 13.Be2 Be6 14.Re1 a5; 9...Nh5 10.Ne5 Qc7 11.Nf3 Nf4 12.0-0 0-0 13.Ba3 d6 14.e5 Nd3; 9...d5 10.ed5 Qd5 11.c4 Qc6 12.Ra5 e4 13.Be2 ef3 14.Bf3 Qe6) 10.Ne5 d6 11.Nf3 Be6 12.Na3 Nb3 13.Rb1 Nc5 14.0-0 Qc8; B3) 9.Ne5 Qc7 (9...Nc4 10.Nc4 Ne4 11.Ba3 d5 12.0-0 0-0 13.Be7 Qe7 14.Nb6 Bf5) 10.Bf7 Kf8 11.Nf3 Kf7 12.Qa2 d5 13.Qa5 Qa5 14.Ra5 b6; B4) 9.Bf7 Kf7 10.Qa2 d5 11.Qa5 Qa5 12.Ra5 Bd8 13.Rb5 a6 14.Rb2 Re8; B5) 9.Ba2 0-0 (9...d6 10.h3 Bd7 11.0-0 Qc7 12.d3 0-0 13.Be3 Rac8 14.Rc1 b6; 9...b6 10.Ne5 0-0 11.0-0 Bb7 12.f3 d6 13.Nd3 b5 14.Na3 Qb6; 9...Qc7 10.Ba3 d6 11.d3 Nh5 12.0-0 0-0 13.g3 Bg4 14.Nbd2 Nf6; 9...d5 10.ed5 Nd5 11.Ne5 0-0 12.0-0 Re8 13.Re1 Bf6 14.d4 Be6) 10.0-0 d6 11.h3 h6 12.d3 b6 13.c4 Nc6 14.Bb3 Nd7; C) 8...d5 9.ed5 Nd5 10.Qb3 Nf4 11.0-0 0-0 12.d4 Ng6 13.Bd5 a5 14.Bc6 bc6; D) 8...0-0 D1) 9.Na3 a6 (9...d5 10.ed5 Nd5 11.0-0 Bg4 12.Nb5 Nb6 13.Be2 a6 14.Na3 Bc5; 9...g6 10.0-0 d5 11.ed5 Nd5 12.Re1 Bf6 13.d3 Bf5 14.Bh6 Re8) 10.0-0 b5 11.Ba2 Bb7 12.Bb2 d5 13.ed5 Nd5 14.Bd5 Qd5; D2) 9.0-0 d5 (9...d6 10.d4 Bd7 11.Ba3 ed4 12.cd4 Rc8 13.e5 Nd4 14.Nd4 de5; 9...h6 10.Ba3 d6 11.d4 Bd7 12.Nbd2 Rc8 13.d5 Na5 14.Bd3 b6; 9...Qc7 10.d4 b5 11.Bd3 ed4 12.cd4 Qb6 13.Qe2 Nd4 14.Nd4 Qd4) 10.ed5 Nd5 11.Re1 Bf6 12.Ba3 Re8 13.d4 Nb6 14.Bd3 ed4.

    7.Nf3 Nc6 8.Qe2 A) 8...h6 9.d4 d6 (9...Qc7 10.0-0 0-0 11.Nbd2 d6 12.Ba3 Nh5 13.Qe3 Nf4 14.Bb5 a6; 9...0-0 10.Ne5 d5 11.ed5 Nd5 12.0-0 Be6 13.Nc6 bc6 14.Re1 Qc7; 9...ed4 10.e5 0-0 11.ef6 Bf6 12.Nd4 Nd4 13.cd4 Bd4 14.Bb2 Re8) 10.0-0 0-0 11.Nbd2 Qc7 12.Ba3 Nh5 13.Qe3 Nf4 14.Bb5 a6; B) 8...d6 B1) 9.Na3 0-0 (9...a6 10.0-0 0-0 11.Nc2 Bd7 12.Ba3 h6 13.Bd3 a5 14.Ne3 Be6; 9...Be6 10.0-0 0-0 11.Re1 Qd7 12.Bb2 Rfc8 13.d3 Rab8 14.h3 Nh5; 9...Bd7 10.0-0 0-0 11.Bb2 g6 12.Rfe1 Qb6 13.Rab1 a6 14.Nc2 Qa7; 9...Bg4 10.h3 Bh5 11.0-0 0-0 12.Qd3 h6 13.Re1 a6 14.Nc2 b5; 9...h6 10.0-0 0-0 11.Bb2 a6 12.Nc2 Be6 13.Be6 fe6 14.d4 Qc7) 10.0-0 Bd7 11.Bb2 g6 12.Rfe1 Qb6 13.Rab1 a6 14.Nc2 Qa7; B2) 9.d3 Be6 (9...Bd7 10.0-0 0-0 11.h3 Qc7 12.Qa2 a6 13.Be3 b5 14.Bb3 Nd8; 9...0-0 10.0-0 Bd7 11.h3 Qc7 12.Na3 a6 13.Bd2 b5 14.Bb3 h6; 9...Rb8 10.0-0 0-0 11.Na3 a6 12.Nc2 b5 13.Bd5 Nd5 14.ed5 Na5; 9...a6 10.0-0 0-0 11.h3 h6 12.Nbd2 Bd7 13.Nh4 b5 14.Bb3 Kh8; 9...Bg4 10.0-0 0-0 11.h3 Bh5 12.Nbd2 a5 13.Ba3 a4 14.Rfb1 Qc7) 10.Be6 fe6 11.0-0 0-0 12.Na3 Qd7 13.Bg5 Rac8 14.Rfe1 d5; B3) 9.d4 Bg4 (9...0-0 10.0-0 Bg4 11.Nbd2 ed4 12.cd4 b5 13.Bb5 Nd4 14.Qc4 Nb5; 9...Qc7 10.0-0 0-0 11.Nbd2 Na5 12.Ba3 Nc4 13.Qc4 Qd8 14.Rfb1 Re8) 10.d5 Na5 11.Bb5 Kf8 12.Nbd2 a6 13.Bd3 Nh5 14.g3 g6; B4) 9.0-0 Bd7 (9...0-0 10.d3 Na5 11.Ba2 Bd7 12.Na3 h6 13.Bd2 Qc7 14.Rab1 Nc6; 9...a6 10.d4 Bg4 11.Nbd2 ed4 12.Bb2 b5 13.Bd5 Qd7 14.h3 Bf3; 9...Be6 10.Be6 fe6 11.d4 0-0 12.Nbd2 Qd7 13.Bb2 ed4 14.cd4 d5; 9...Bg4 10.h3 Bh5 11.d3 0-0 12.Nbd2 a5 13.Bb2 a4 14.Rfe1 Ra5; 9...Qc7 10.Na3 a6 11.Nc2 Na5 12.Ba2 0-0 13.Ne3 h6 14.Nh4 Be6) 10.d4 0-0 11.Nbd2 Qc7 12.Ba3 Rae8 13.d5 Na5 14.Bb5 Rb8; C) 8...0-0 9.0-0 h6 (9...Qc7 10.d4 Na5 11.Bb5 a6 12.de5 Ng4 13.h3 Ne5 14.Ne5 ab5; 9...d6 10.Na3 a6 11.Nc2 Be6 12.Be6 fe6 13.d4 Qd7 14.c4 a5; 9...d5 10.ed5 Nd5 11.Na3 Bf6 12.Nb5 Be6 13.Ba3 Nf4 14.Qe4 Bc4; 9...Re8 10.Na3 h6 11.Nc2 Bc5 12.Nce1 Na5 13.Nd3 Nc4 14.Nc5 Na5; 9...a6 10.d4 ed4 11.Nd4 Re8 12.Qa2 d5 13.ed5 Nd4 14.cd4 Bd6) 10.Na3 Re8 11.Nc2 a5 12.Qd3 Bc5 13.Ba3 d6 14.Rfb1 Qe7.

    6.d4 ed4

    7.Bc4 Qb6 8.cd4 Bb4 9.Kf1 Ne7 10.Qb3 0-0 (worse is 10...Qd4 11.Bb2 (worse is 11.Bf7 Kf8 12.Bh5 d5-/+) 11...Qe4 12.Qb4+=) 11.Bd2 Nec6 (11...Nbc6 12.d5 Bc5 13.Qb6 Bb6 (13...ab6?? 14.Ra8 Ne5 15.Bb3+-) 14.dc6 dc6+/-) 12.d5+/- Qd4 (12...Na5!? 13.Qb4 Qb4 14.Bb4 Nc4 15.Bf8 Kf8+/-) 13.dc6 Bd2 14.Ra4 Nc6 (14...Qd6 15.cb7 (15.Nd2 Qd2 16.cb7 Bb7-/+) 15...Bb7 16.Qb7+- (16.Nd2 Qd2 17.f3 Ba6-/+)) 15.Bf7! Rf7 16.Rd4 Nd4 17.Qd3 b6 18.Nd2 Ne6 19.g3 Nc5 20.Qe3 Ba6 (20...Bb7 21.f3+-) 21.Kg2 Raf8 22.Nh3 Re8 23.Qa3 (23.Qd4 Bb7 24.f3 d5+-) 23...d5 24.f3 de4 25.Ne4 Ne4 26.fe4 Bb7 27.Ng5 Rfe7? 28.Qb3 Kh8 29.Nf7 Rf7 30.Qf7 Be4 31.Kf2 Bg6 32.Qf4 Kg8 33.Qc4 Bf7 34.Qc6 Rf8 35.Kg2 Re8 36.Rd1 Bh5 37.Rd2 1–0. Haub,Thorsten Michael – Guennewig,Hans Norbert, Bochum–ch, 1989. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.cd4 Bb4 8.Bd2=+ Bd2 9.Nd2 d6 (9...d5!?=+) 10.Qa4= Bd7 11.Qa3 (better 11.Qb4 Nf6 12.Qd6=) 11...Qe7 (better 11...d5!?=) 12.Nc4+- Qe4 13.Be2 Qg2? (13...Qe7!? 14.Nb6! ab6 15.Qa8 Qd8+-) 14.Nd6 (better 14.Bf3 Qg6 15.Nb6+-) 14...Ke7? (14...Kf8 15.Bf3 Qg6 16.Nb5 Ne7+-) 15.Bf3 Qg6 16.Nb7 (16.Nb7 Ke8 17.Nd6 Ke7 18.Nb5 (18.Ba8?! Qd6 19.Qd6 Kd6+-) 18...Ke8 19.Nc7 (19.Ba8?! Bb5 20.Qa7 Nd7+-) 19...Kd8 20.Na8+-) 1–0. marekt – raymac, ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.cd4 d5 8.e5 Nc6 9.Be3 Bb4 10.Nd2 Nge7 11.Ngf3 Bg4 12.Bd3 Qd7 13.0-0 Bd2 14.Qd2 Bf3 15.gf3 Ng6 16.Kh1 (16.Kg2 Nh4 17.Kg3 Nf5 18.Bf5 Qf5-/+) 16...Nh4 17.Qd1 Qh3 18.Rg1 Nf3 19.Rg2 Nfd4 20.Rg3 Qd7 (20...Qe6 21.Ra4 Nf5 22.Bf5 Qf5 23.Qd5-+) 21.Bd4-/+ Nd4 22.Rg7 Ne6 23.Bf5 Qc6 24.Rc1 Qc1 (24...Ng7 25.Rc6 bc6 26.Qc2-+) 25.Qc1-/+ Ng7 26.Bd3 (26.Bc8 0-0 27.Bb7-/+) 26...a6 (26...Ne6!? 27.Qa3 0-0-0 28.Qa7-+) 27.Qc7 (27.Ba6!? 0-0 28.Bb7=+) 27...0-0-/+ 28.Qb7 Ne6 (28...Rfd8 29.Ba6 Ne6 30.Qb6-/+) 29.Qe7 (29.Qd5!? Nf4 30.Qf3 Nd3 31.Qg3 Kh8 32.Qd3=+) 29...Rfc8 (29...Rfe8!? 30.Qh4 Nf8-+) 30.Qh4-/+ h5 31.Qf6 Rc1 32.Kg2 Rc3 ½–½. marekt – Bazza3, ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.cd4 d5 8.e5 Nc6 9.h3 a6 10.Nf3 Be6 11.Be2 Bb4 12.Kf1 h6 13.Bd3 Nge7 14.Bc2 b5 15.g4 Qb6 16.Be3 Na5 17.Qd3 Rc8 18.Kg2 Nc4 19.Nbd2?? (better is 19.Rc1-/+) 19…Ne3-+ (19...Ne3 20.Qe3 Rc2-+) 0–1. Johnsen,Svein Harald – Paulsen,Viktor, Kretsmesterskap qual, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.cd4 d5 8.e5 Nc6 9.h3 Bb4 10.Bd2 Qb6 11.Bb4 (11.Nc3 Qd4 (worse 11...Nd4 12.Nd5 Bd2 13.Qd2+=) 12.Nf3 Qc5-/+) 11...Qb4-+ (worse 11...Nb4 12.Nc3 Bf5 13.Bb5 Kd8 14.Ra4-/+) 12.Qd2 (12.Nd2 Nd4 13.Rb1 Qa3-+) 0–1. rmack (1965) – Bazza3 (2430), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    6.d4 d6

    7.Bc4 Nf6=+ 8.Nd2 (8.Nf3 ed4 9.Qd4 Nc6-/+) 8...0-0 9.Qf3 (9.Ngf3 ed4 10.Nd4 Nc6=+) 9...Bg4 (9...ed4 10.cd4 Nc6 11.d5-/+) 10.Qg3 Qd7 (10...ed4 11.cd4 Nc6 12.d5-/+) 11.f3=+ Bh5 12.Ne2 (12.de5 de5 13.Qe5 Nc6=+) 12...Bg6 (12...d5 13.de5 Ne4 14.Ne4 dc4 15.Nf6 Bf6 16.ef6 Bg6 17.fg7 Re8-/+ (< 17...Kg7 18.Qh4 h5 19.Qc4=)) 13.h4? (better is 13.de5!? de5 14.Qe5=) 13...ed4-/+ 14.cd4 Nc6 (14...d5 15.Bd3-/+) 15.Qf2 Rac8 16.Nf4-/+ Nb4 17.Kf1? d5-+ 18.Bb3 de4 19.Ng6 hg6 20.Ne4 Nd3 21.Nf6? Bf6 22.Qd2 Qb5 23.Ba4 Qc4 24.Ba3 Rfd8 25.Qe2 Qa4 26.Qd3 Bd4 27.Rd1 Rc3 28.Qc3 Qd1 29.Qe1 Bc3 (29...Bc3 30.Qd1 Rd1 31.Ke2 Rh1-+) 0-1. Antipova,Anastasia - Pepoeva,A, RUS-ch U12 Girls, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Nc6 8.d5 Nb8 9.Be3 a6 10.Nd2 Nf6 11.h3 Qc7 12.Ne2 Nbd7 13.0-0 0-0 14.g4 Nc5 15.Bc2 h5 16.f3 Nh7 17.Kh2 Bg5 18.Bg5 Ng5 19.h4 Nh7 20.Ng3 g6 21.Rg1 Qe7 22.g5 f6 23.Nf5 Qd8 24.gf6 Rf6 (24...Qf6? 25.Rg6 Qg6 26.Ne7 Kg7 27.Ng6 Kg6 28.Nc4+-) 25.f4 Kh8 (worse is 25...Bf5 26.ef5 Nf8 27.Qh5 (27.fg6? Rf4 28.Rg2 Qh4 29.Kg1 Qh3-+) 27...ef4 28.fg6+=) 26.Nf3? (better is 26.fe5 de5 27.Ne3-+) 26...gf5 (26...Bf5?! 27.ef5 gf5 28.Ng5-/+) 27.fe5 de5 28.Qe1 f4 (better is 28...fe4 29.Ne5 Bf5 30.Rd1-+) 29.Ne5 Qe8 30.Nc4 Qd7 31.Rg2 (31.Qf1 f3 32.Rg3-+) 31...Qh3 32.Kg1 f3 33.Rg3 f2 34.Qf2 Rf2 35.Kf2 (35.Rh3 Rc2 36.Re3-+) 35...Qh2 36.Rg2 Qh4 37.Kg1 Bh3 38.Ne5 Bg2 39.Ng6 Kg8 40.Nh4 Be4 41.Be4 Ne4 42.c4 Rf8 43.Rd1 Rf6 44.Ng2 Nhg5 45.Ne3 Rf2 (45...Rf2 46.Nf1 Nf3 47.Kh1 Ng3 48.Ng3 Rh2) 0–1. Frink,Ferenc (2210) – Meszaros,Michal (2360), Tatry op Tatranske Zruby, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Nf6 8.Na3 0-0 9.Ne2 Nc6 10.0-0 Bg4 11.Be3 (11.f3 Bd7+=) 11...ed4 (better is 11...d5!? 12.f3 de4 13.fe4 Be2 14.Qe2 ed4 15.cd4 Nd4-+) 12.cd4+= d5 (12...Nb4!?+=) 13.e5+= Nd7 14.f3 Bh5 15.Qb1 Nb6 (better is 15...Qb6!? 16.Bh7 Kh8+=) 16.Bh7+/- Kh8 17.g4 (17.Bd3!? Bg5 18.Qc1 Be3 19.Qe3 Bg6+/-) 17...Ba3 18.gh5?? (better is 18.Ra3 Nc4 19.Bc1 (19.gh5 Na3 20.Qc1 Kh7 21.Qa3 Qd7-/+) 19...Na3 20.Ba3+/-) 18...Nc4-/+ 19.Bf4 Bb2 20.Ra2 Qh4 21.Rb2 Nb2 22.Qb2 Kh7 23.Qb7? (better is 23.h6-/+) 23...Nd4!-+ 24.Nd4 Qf4 25.Nc6 Qh4 26.f4 Qh5 27.Qd7? (27.Qb1 Kh8 28.Qd3 Qg4 29.Kh1 Rac8 30.Qd5 Rc7-+) 27...Qg6 28.Kf2 Qc2 29.Kg3 g6 30.Rf3 Rac8 31.Nd4 0–1. Ugrcic,Z (2065) – Panic,A (1850), XXIII Belgrade Trophy, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Bg5 8.Ne2 Bc1 9.Qc1 Ne7 10.0-0 0-0 11.Nd2 f5 12.Qa3 Kh8 13.Rfb1 ed4 14.cd4 Nbc6 15.f4 fe4 16.Ne4 Nf5 17.Qc3 Nce7 18.N4g3 b6 19.Be4 d5 20.Bc2 Ng3 21.Ng3 Qd6 22.Re1 Bd7 23.Re5 (better is 23.Qe3!? Nc6 24.Ne2-/+) 23...Nc6-+ (23...Rf4 24.Qe3 Rf7 25.Ne4 de4 26.Qe4=) 24.Rh5 g6 (24...Rf4?! 25.Rh7 Kg8 26.Qd3=; 24...Qf4 25.Rh7 Kg8 26.Rg7 Kg7 27.Nh5 Kh8 28.Nf4 Rf4 29.Qg3+-) 25.Rg5 Rf4 26.h4? (26.Ne2 Rf7 27.Bb3 Bf5-+) 26...Ne7 (better is 26...Nd4!? 27.Bd3-+) 27.h5 Qf6 28.Re5 Rc8 29.Qe3? Nc6 30.hg6 hg6 31.Ra7?? Na7-+ 32.Bg6 Bg4 33.Bf5 Rf5 34.Nf5 Bf5 0–1. Frink,Ferenc (2140) – Kevei,Peter (2205), HUN–chT2 Maroczy, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 Nc6 8.Bb5 Bd7 9.d5 Nb8 10.Bd3 Nf6 11.h3 0-0 12.Be3 Bc8 (12...a6 13.Qb3 Qc8 14.Nbd2=) 13.Nbd2 (13.Ra7!? Ra7 14.Ba7=) 13...Nbd7 14.0-0 (worse 14.Ba7 b6 15.Ra2 Qc7-/+) 14...Qc7 15.c4 b6 16.Re1 Bb7 17.Nb3 Rfc8 18.Nfd2 g6 19.g3 a5 20.Ra4 Nh5 (20...Nc5 21.Nc5 bc5 22.f4=+) 21.Kg2 Qd8 22.Nf3 Ng7 23.Qd2 f5 24.Rb1 (24.Qb2 fe4 25.Be4 Ba6=+) 24...Rab8 (24...Nf6 25.ef5 e4 26.fg6 hg6 27.Be4-/+) 25.Bg5 Bg5 26.Ng5 Qe7 27.Ra2 (27.Qe3 Qf6 28.Nf3 fe4 29.Be4 Nf5=+) 27...Rf8 (27...h6 28.Nf3 fe4 29.Be4 Rc4 30.Bd3-+) 28.Rab2 (28.ef5!? gf5 29.Be2=+) 28...f4 29.Nf3 Rf7 (29...a4 30.Na5-/+) 30.g4 (30.Na5 fg3 31.Nb7 Rb7 32.fg3 Ra7+=) 30...Rff8 (better 30...a4!? 31.Nc1 Ra8=+) 31.Na5+= ba5 32.Rb7 Rb7 33.Rb7 Qd8 34.Ra7 Nc5 35.Bc2 a4 36.Ba4 Ne4 37.Qa5 Qb8 38.Qc7 Qc7 39.Rc7 Ra8 40.Bc2 Nc5 41.Ne5 (better 41.Ng5!?+=) 41...Na6=+ 42.Re7 de5 43.Ba4 (43.Re5 Nc5=) 43...Nc5 (43...Nb4!? 44.Bb5 Nd3-/+) 44.Bc6=+ Rd8 45.Re5 Kf7 46.Kf3 Nd3 47.Re2 Kf6 (47...Ne8 48.Ke4 Nb4 49.Ba4=) 48.Ke4 Ne5?? (48...Nb4 49.Ba4= (worse 49.Kf4 Nc6 50.g5 Kf7 51.dc6 Rc8-/+)) 49.Bb5?? (49.g5!? Kg5 50.Ke5 Kh4+-) 49...Ne8?? (49...g5 50.Ra2 Ne8 51.Be8 Re8 52.Ra6 Kg7 53.Ra7 Kg8 54.Kd4 Nf3 55.Kc3=+) 50.Kf4?? (better 50.g5 Kg5 51.Ke5+-) 50...g5= 51.Ke4 Nd6 The pawn on c4 gets attacked 52.Kd4 Nf3 53.Kc5 Nb5 (53...Ne5 54.Rc2=) 54.cb5 (54.Re6!? Kf7 55.cb5+/-) 54...Rc8= 55.Kb4 Ne5 56.b6 Rc1 57.Kb5 Rb1 58.Ka6 Nd7 59.Re6 Kf7 60.Rc6 Ke7 61.Rh6 Nc5 (61...Rb6 62.Rb6 Nb6 63.Kb6=) 62.Ka7+/- Ra1 (62...Nd7 63.h4 gh4 64.Rh4+=) 63.Kb8 Rb1? (better 63...Kd7!? 64.Rh7 Kd6+/-) 64.Kc8 (64.Kc7 Ke8+-) 64...Rb2? (better 64...Ke8+-) 65.d6 (65.Rh7 Kd6 66.b7 Rb7 67.Rb7 Nb7 68.Kb7 Kd5+-) 65...Ke8 66.d7! Nd7 67.Re6 Kf7 68.Kd7 Rd2 69.Rd6 Rf2 70.b7 Rb2 71.Kc7 Rc2 72.Rc6 (72.Rc6 Rb2 73.Rb6 Rc2 74.Kd6 Rd2 75.Ke5+-) 1-0. Shirazi,K (2355) - Dardha,Daniel (2445), Euro Online +2300 Day, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4)

    7.Nf3 Nc6 8.Be3 Nf6 9.d5 Nb8 10.Ba7 Nbd7 11.Bb5 0-0 12.Nbd2 Qc7 13.Be3 Ra1 14.Qa1 Ng4 15.Nc4 (15.Ba7 b6 16.0-0 Ngf6=+) 15...Ne3 (better 15...Nc5!?-/+) 16.Ne3=+ Nc5 17.Nd2 (17.Qb1 Qa5 18.0-0 Qc3=+) 17...Bg5 18.0-0 Be3 19.fe3 Bg4 20.Rb1 (20.Qa2 Qe7-/+) 20...Qe7-/+ 21.Rb4 (21.Rf1 Qg5 22.Qe1 Ra8-/+) 21...Qg5 22.Qe1 Ra8 23.Qg3 (23.Rb2 h6-/+) 23...Ra1 24.Nf1 Qg6 (24...Qh5 25.Qf2-/+) 25.h3-/+ Bc8 (25...Bd1 26.Kh2-/+) 26.Qf3 (26.Qg6!? hg6 27.Kf2-/+) 26...Rc1 27.Kh2 Rc3 28.Nd2 Kf8 (28...f5!? 29.ef5 Bf5 30.Rb2-+) 29.Nc4-/+ Ne4 30.Ne5 (30.Ra4 Rb3 31.Ra8 Rb5 32.Rc8 Ke7 33.Rc7 Kd8 34.Rf7 Rb1-/+ (34...Rd5?! 35.Rb7 Nf6 36.Qf2=)) 30...de5 31.Re4 Qd6 32.Qh5 Rc5 (32...Qd5!? 33.Qe5 Qe5 34.Re5 f6 35.Re8 Kf7-/+) 33.Qh7=+ Rb5 34.Qh8 Ke7 35.Qc8 Qd5 36.Rc4 e4 37.Qc7 Ke6 38.Qc8 Kf6 39.Rc1 (39.Qc7=+) 39...Kg6 (better 39...Qd6 40.Kg1 Qd3 41.Rf1 Kg6 42.Qg4 Rg5=+) 40.Qh8?? (better 40.Qg4 Kh6 41.Qf4 Kh5 42.Qg4 Kh6 43.Qf4 Kh7 44.Qh4 Kg6 45.Qg4 Kh6=) 40...Qe5 (40...Qd6!? 41.Kh1 Qd2 42.Rf1-+) 41.Kh1 Qe6 (41...Qg3 42.Qe8 Re5-+ (42...Qe3?! 43.Rf1 Rg5 44.Qf7 Kh6 45.Qb7=)) 42.Qd8 (42.Qb8 Qe7=+) 42...Rf5 43.Rb1 b5 44.Rd1 Qe5 45.Qh8? (45.Kg1 Qc3 46.Qd4 Qc4-/+) 45...Rh5?? (better 45...Qg3-+) 46.Qd8 f5 1–0. Martinez,Julian (2160) – Toro Castaneda,Elizabeht (1870), Torneo IRT Internacional Feria de las F, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 ed4 8.Bb5 Bd7 9.Bd7 Nd7 10.Nd4 Ngf6 11.0-0 Ne5 12.Nf5.

    7.Nf3 Nd7 8.Bc4 Ngf6 9.Ng5 (9.Nbd2 0-0+= 10.0-0 Qc7 11.Qc2 Nb6 12.Bd3 Bd7 13.Ba3 ed4 14.Nd4; 9.Qe2 0-0 10.0-0 Nb6 11.Bd3 Qc7 12.Na3 a6 13.Bd2 Bd7 14.h3; 9.Bd3 Qc7 10.0-0 0-0 11.Qb3 d5 12.ed5 e4 13.Re1 ed3 14.Re7; 9.0-0 0-0 10.Qc2 Nb6 11.Bd3 Qc7 12.Nbd2 Bd7 13.Ba3 ed4 14.Nd4; 9.Qc2 Nb6 10.Be2 0-0 11.0-0 Qc7 12.Nbd2 Nh5 13.g3 Nf6 14.Kg2) 9...0-0-/+ 10.Qd3 (10.Qb3 Qe8-/+ 11.Nd2 Nb6 12.Bb5 Bd7 13.Bd7 Nfd7 14.Ngf3) 10...Qe8 (10...d5!? 11.ed5 ed4-/+ (11...h6 12.Ne4 ed4 13.Qd4 Nb6 14.0-0) 12.cd4 h6 13.Nf3 Bb4 14.Bd2; 10...h6 11.Nf3 d5 12.Bd5 Nd5 13.ed5 e4 14.Qe4) 11.0-0+= h6 (11...Nb6 12.Na3 h6 13.de5 de5 14.Nf3) 12.Nf3 b6 (12...ed4 13.cd4 Nb6 14.Ba2= (14.Bb3+=); 12...Nb6 13.Bb3 Be6 14.Nbd2) 13.Nh4 (13.Nbd2!?= Bb7 14.Re1) 13...Bb7-/+ 14.Re1 (14.f3 d5 15.ed5 Bd5 16.Nf5 ed4 17.Re1=; 14.Nd2=) 14...d5?? (14...Be4 15.Re4 Ne4 16.Qe4 Bh4 17.Qh4 ed4=) 15.ed5+= Bd5 16.de5 (16.Bd5 Nd5 17.Nf5 Bg5+=) 16...Bc4 17.Qc4 Bd6? (17...Bc5!? 18.Nf3 b5=) 18.Ng6 (18.Nf3 Be5 19.Ba3 Qb8 20.Bf8 Kf8+/-) 18...Ne5 (18...Qc8 19.Qd3 fg6 20.Qd6 Ne5 21.Re5 Rd8=) 19.Ne5+- Be5 20.Bf4?? (better is 20.f4 Ng4 21.fe5 Ne5 22.Qf1+/-) 20...Rc8 (20...Bf4 21.Re8 Rfe8 22.Na3+=) 21.Qa2 (21.Qf1 Rc5=) 21...Nd7 (21...Bf4 22.Re8 Rfe8 23.g3+=) 22.Be5 Ne5+= 23.Qe2? Nc6 24.Qd2 Qd8 25.Qc2 Re8 26.Re8 Qe8 ½–½. Shaughnessy,Elisabeth – Kafumbwe,Jita, Olympiad w, Bled SLO, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 ed4 8.cd4 d5 9.e5 Nc6 10.Nf3 Bg4 11.Bb5 Qb6 12.Bc6 Qc6 13.0-0 Nh6 14.Ba3 Ba3 15.Ra3 0-0 16.h3 Bf5 17.g4 Be4 18.Ng5 Bc2 19.Qd2 Bb1 20.Rb1 f6 21.Nf3 b6 22.f5 Nf7 23.Rc3 Qb7 24.Re3 Rfe8 25.Rbe1 Rac8 26.Rb3 Rc4 27.Rbe3 Qc7 28.Kh1 Rc8 29.ef6 gf6 30.Re7 Qg3 31.Qg2 Qg2 32.Kg2 R8c7 33.R1e6 Re7 34.Re7 Ra4 35.Rd7 Ra5 36.Kg3 h6 37.Nh4 Ra3 38.Kg2 Ra2 ½–½. Kuhn,Christian Helmut (1875) – Lubben,Hendrik (1820), IECG, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 ef4 8.Bf4 Nf6 (8...Qc7 9.c4+=) 9.Bd3 (9.Nd2 a6-/+) 9...Nc6 (9...a5 10.Ra2+=) 10.Qb3 (10.Nd2 Bg4 11.Qb1 Qc8-/+) 10...0-0 (10...d5 11.e5 Ng8 12.Nd2+=) 11.Ne2 (11.Nd2 Ne5 12.Qb1 Nd3 13.Qd3 Nh5-/+) 11...b6 (11...a6 12.Nd2+=) 12.0-0 Na5 (12...a6 13.Nc1+=) 13.Qc2 Nh5 (13...h6 14.Kh1+=) 14.Nd2 (14.e5 h6 15.Be4 Bb7-/+) 14...Bg4 15.Nf3 Rc8 (15...h6 16.h3 Nf4 17.Nf4 Bf3 18.Rf3+=) 16.h3 (16.e5!? f5 17.h3 Bf3 18.Rf3+=) 16...Nf4 17.Nf4 Be6 (17...Bf3 18.Rf3 Bg5 19.Nd5+=) 18.d5 (18.Ne6!? fe6 19.e5=) 18...Bd7+= 19.e5 de5?? (19...g6 20.Ba6 Bf5-/+) 20.Bh7+/- Kh8 21.Ne5 Bf6 22.Nf7 Rf7 23.Qg6 Bf5? (23...Be8 24.Qh5 g5 25.Bf5 Kg8 26.Qg6 Kh8 27.Qh6 Kg8+-) 24.Qf7?? (better is 24.Qf5 Bd4 25.cd4 Rf5 26.Bf5+-) 24...Bh7+= 25.Ne6 Qe7 26.Qh5 Qe8 27.Qg4 Qg6? 28.d6+/- Qg4 29.hg4 Nc6 30.g5+- Bg8 31.gf6 Be6+= 32.Rae1 Nd8?? 33.f7!+- Bf7 34.d7 Rc7 35.Re8 (35.Re8 Bg8 36.Rf3+-) 1–0. Frink,Ferenc (2240) – Lengyel,Laszlo (2155), Erkel Memorial op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 Nf6

    8.Qb3 Ne4 9.Bd3 (9.Bb5 Nd7 10.Bd3 Ndf6 11.de5 Nc5 12.Qb5 Nfd7 13.Bc2 0-0 14.ed6) 9...Ng5 10.Bg5 Bg5 11.0-0 0-0 12.Be4 Nc6 13.Re1 ed4 14.cd4.

    8.Bb5 Bd7 9.Bd7 (9.Qd3 Bb5 10.Qb5 Qd7 11.Qe2 0-0 12.0-0 a5 13.Na3 ed4 14.cd4) 9...Qd7 10.0-0 0-0 11.Qe2 a5 12.Na3 ed4 13.cd4 d5 14.Ne5.

    8.Nbd2 A) 8...0-0 9.Be2 (9.Bc4 Nc6 10.0-0 ed4 11.Nd4 Bd7 12.Qe2 Ne5 13.Bb5 Bb5 14.Qb5; 9.Bd3 ed4 10.cd4 Nc6 11.0-0 Nb4 12.Be2 a5 13.Qb3 Bd7 14.Ba3) 9...Nc6 10.0-0 Bd7 11.Qb3 a5 12.Qb7 a4 13.Ba3 Rb8 14.Qa6; B) 8...Qc7 9.Bb2 (9.Qb3 ed4 10.Bb5 Bd7 11.cd4 0-0 12.0-0 Bb5 13.Qb5 Nc6 14.Bb2; 9.Qa4 Bd7 10.Qc4 Nc6 11.d5 b5 12.Qb5 Nd4 13.Qa5 Qa5 14.Ra5) 9...0-0 10.Bd3 Nc6 11.0-0 h6 12.Re1 Bd7 13.Qb3 Nh5 14.g3; C) 8...ed4 9.cd4 0-0 10.Be2 Bd7 11.0-0 Nc6 12.Ba3 d5 13.e5 Ne4 14.Be7.

    8.Bd3 Nc6 9.d5 Nb8 10.0-0 0-0 11.Be3 b6 12.Na3 Nbd7 13.Nb5 a6 14.c4 Nc5 15.Nc3 Bg4 16.Qb1 (16.Bc5 bc5 17.h3 Bh5-/+) 16...Bf3 17.gf3 Nh5 18.Na4 Rb8 (better is 18...Bg5!?-+) 19.Nc5+= bc5 (19...dc5?! 20.Qb2=) 20.Qc1 Qc8 21.Kh1 (21.Qc2 f5-/+) 21...Qh3 22.Qd1 Rb6 23.Rg1 Rfb8 24.Rg4 Nf4! 25.Bf4 ef4 26.Rf4 Bf6 27.Rf6 gf6 28.Bf1 Qh4 29.Qe1 Rb2 30.Kg1 Qf4 31.Ra6 Rb1 32.Qe2 Qg5 33.Kh1-+ Rc1 34.f4 Qf4 35.Ra3 Rbb1 36.Rg3 Kf8 37.Rg1 Re1 38.Qd3 Rbd1 39.Qh3 Qe4 40.f3 Qf4 41.Qc8 Re8 42.Rg8 Kg8 43.Qe8 Kg7 44.Qe2 Rd2 (44...Rd2 45.Qg2 Rg2 46.Kg2 h5-+) 0–1. Bautista Rodriguez,Jose – Bernal Tinajero,Julio, Asturias–chT40 Preferente, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6)

    8.Bd3=+ Qc7 9.0-0 0-0 10.Qe2 Re8 11.Rd1 Nbd7 12.Bg5.

    8.Bd3=+ ed4 9.cd4 d5 10.e5 Ne4 11.Nbd2 Bf5 12.Qb3.

    8.Bd3 0-0

    9.0-0 Nc6 10.Qb3 Na5 11.Qb4 b6 12.Nbd2 h6 13.Ba3 Re8 14.Qb2.

    9.0-0 Qc7 10.Na3 Qc3 11.Be3 Bd7 12.de5 Ng4 13.Nc4 de5 14.Rb1 Ne3=+ 15.fe3 Ba4 16.Qa4 Bc5?? 17.Rb3+- Qb3 18.Qb3 (18.Qb3 Nd7 19.Qb7+-) 1–0. Kuna,Heiko (2360) – Ahrens,Gerhard (2240), CiF, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 0-0)

    9.0-0 Qc7 10.Qb3 Be6 11.c4 ed4 12.Nd4.

    9.Na3 d5 10.de5 Ne4 11.0-0 Nc6 12.Nb5 f6 13.c4 Be6 14.Nfd4.

    9.Qb3 d5 10.Ne5 de4 11.Bc4 Qe8 12.0-0 Nc6 13.f4 b6 14.Na3.

    9.Qc2 Qc7 10.Be3 Ng4 11.Bd2 Bd7 12.0-0.

    9.Nbd2 Nc6 10.0-0 ed4 11.Nd4 Ne5 12.N2f3 Bd7 13.Bf4 Qc7 14.Re1.

    9.Nbd2 Qc7 10.Qb3 Be6 11.d5 Bg4 12.h3.

    9.de5 de5 10.Ne5 Qc7 11.Nf3 Rd8 12.Qe2.

    9.h3 d5 10.de5 Ne4 11.Nbd2 Nc5 12.Nb3 Nd3 13.Qd3 f6 14.Ra5.

    7.f4 Nf6

    8.Bd3 0-0 9.Nf3 Nc6 10.0-0 Bg4 11.Be3 Ne8 12.fe5+= de5 13.d5 Na5 14.Qa4+= Bf3 15.Qa5 Qa5 16.Ra5 (16.Ra5 Bh5 17.Ra7 (17.Ba7? Ra7 18.Ra7 Bc5 19.Kh1 Ba7-+) 17...Ra7 18.Ba7=). pierred (2760) – marcosramospg, net–chess.com, 2010.

    8.Bd3 0-0 9.Nf3 ed4 10.cd4 d5 11.e5 Ne4 12.Qb3 Nc6 13.0-0 Nb4 14.Be2 a5 15.Nc3 Nc3 16.Qc3 Bf5 17.Ne1 Qd7-+ 18.h3 Be4 19.Bg4 Qc6 20.Qe3 f5 21.ef6 Bf6 22.Bb2 Rae8 23.Qd2 Qb6 24.Bc3-/+ Rf7 25.Nf3 Rc7 26.Ne5 Be5 27.fe5= Re5?? 28.Bb4+- (28.Bb4 h5 29.Rf8 Kh7 30.Ba5+-) 1–0. Ambrus,Endre (2240) – Moldovan,Daniel (2445), ROM–chT Eforie Nord, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Bd3 0-0 9.Nf3 Bg4 10.Qb3 Bf3 11.gf3 Nbd7 (11...b6 12.Rg1=+) 12.Qb7= Rb8 (12...a5!?=) 13.Qa7+= Nh5 (13...Nb6 14.Qa2+= (worse 14.fe5 de5 15.Qa2 ed4=; 14.de5? de5 15.Ba6 Nfd7-+)) 14.0-0 (14.Qa5 Bh4 15.Ke2 Qf6 16.fe5 de5+=) 14...Bf6 (14...Nf4 15.Bf4 ef4 16.Qa5+=) 15.fe5 (15.Ra6 Be7+/-) 15...de5 (15...Bg5 16.Kh1 Bc1 17.Rc1 Nf4=) 16.Be3?? (better 16.Qa5!?+/-) 16...Bg5 (better 16...ed4 17.Bd4 Rb2=+) 17.Bg5?? (better 17.Bf2+=) 17...Qg5-+ 18.Kh1 Nf4 (18...Rb2 19.Rg1 Qf4 20.Be2 Re2 21.Rg7 Ng7 22.Qd7 Qh2) 19.Rg1? (19.Ra2 Ra8 20.Qa8 Ra8 21.Ra8 Nf8 22.Rg1-/+) 19...Qh5-+ 20.Nd2 Rb2 21.Ra2 Ra2 22.Qa2 Nd3 23.Qc2 (23.Rg3 Rc8 24.Qc2 Nf4-+) 23...Nf2 24.Kg2 Nh3 25.Rb1 (25.Rf1 Nf4 26.Kh1 Rc8-+) 25...Nf4 26.Kh1 Nf6 (26...Qh3 27.Rg1-+) 27.Rg1 (27.Qd1 Rc8-+) 27...Rc8 (27...ed4 28.cd4 Ne2 29.Rg2 Nd4 30.Qb2-+) 28.Qb3 (28.Qa4 Kh8 29.Qa7 ed4 30.cd4 Nh3-+) 28...h6 29.Rg3 (29.de5 Qe5 30.c4 Qd4-+) 29...Ra8 (29...Ne2 30.Rg2 Rc3 31.Qb8 Kh7 32.Qb1 Rc1 33.Qc1 Nc1 34.de5 Ne4 35.fe4 Qd1 36.Rg1 Qd2 37.h3-+) 30.Rg1 (30.Qb2 Qh4 31.Nb3 N6h5-+) 30...Nh3 (better 30...Ne2 31.Qb2 Ng1 32.Kg1 Qg5 33.Kf1-+) 31.Rb1 (31.Rf1-+) 31…Qg5 (31...Qg5 32.Rf1 Qd2-+) 0-1. Haub,TM (2425) - Demchenko,A (2610), Cappelle Online Blitz, 2021. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4)

    8.Bd3 0-0 9.f5 Nc6 10.d5 Nb8 11.g4 h6 (better is 11...Nfd7!?-/+) 12.h4= Nh7 13.Nf3 f6 14.Be3 Bd7 (14...a6 15.Nbd2=) 15.Qd2 Be8 16.Bh6 (better is 16.Ra7 Ra7 17.Ba7+=) 16...gh6-/+ 17.Qh6 Rf7 18.g5 fg5 19.hg5 Bg5 20.Rg1 (better is 20.Ng5!? Qg5 21.Qg6 Qg6 22.fg6+=) 20...Rg7-/+ 21.Ng5 Rg5 (worse is 21...Ng5 22.Nd2 Nd7 23.Qd6-/+) 22.Rh1 Rg7 23.Nd2 Qf6 24.0-0-0 Nd7 25.Nf3 Qh6 26.Rh6 Ndf6 27.Rdh1 Rc8 28.Kb2 Rcc7 0–1. Yevlampiev,Sergey – Jevtushenko,VV (2065), Kstovo op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.Bd3 Nc6 9.fe5 de5 10.d5 Nb8 11.Nf3 Nbd7 (11...Qc7 12.Ra2-/+) 12.Na3 (12.Qe2 0-0-/+) 12...0-0 (12...Qa5 13.Bb2-/+) 13.0-0 (13.Qc2 Qa5-/+) 13...Ne8 (13...Qc7 14.Qe1-/+) 14.Nc4 (14.Be3 Ba3 15.Ra3 Qc7-/+) 14...f6 15.Kh1 Nc5 (15...Qc7 16.Bb2-/+) 16.Be3 Qc7 17.Qd2 (17.Ne1 Bd7 18.Bc5 Bc5-/+ (18...Qc5?! 19.Qb3=)) 17...Nb3 18.Qa2 Na1 19.d6 Bd6 (19...Nd6 20.Nd6 Kh8 21.Nf7 Rf7 22.Qf7+=) 20.Nd6 Kh8 21.Nb5 Qe7 22.Qa1 Nc7 23.Na3? Bd7 24.Qb2 Bc6 25.Nc4 Rfd8 26.Qc2 b6 27.Bf2? Ne6 28.Ne3 Nf4 29.Bc4 Qb7 30.Nd2 Rac8 31.Bg3 Ng6 32.h4? Qd7 33.Rf2 Ba4 34.Qa2 b5?? 35.Be6= Qd3 36.Bc8 Qe3 37.Nf1 Qc3 38.Bf5 Ne7 39.Qf7= Nf5 40.Rf5 Qb3?? 41.Qe7?? Qg8+= 42.Ne3 a5 43.Ng4 Qe8 44.Qc7 Qd7 45.Qb6 Qd4? 46.Qa5 Bc2? 47.Ne5+- fe5 48.Be5 Qd1 49.Kh2 Be4?? 50.Qc7!! Rg8 51.Qg7!! (51.Qg7 Rg7 52.Rf8) 1–0. Capron,Daniel (2180) – Flament,Frederic (2105), FRA–chT2S, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.Bd3 Qc7 9.Nf3 Bg4 10.0-0 0-0 11.h3 Bf3 12.Rf3 Nc6 13.Be3 Rfe8 14.Na3 a6 15.Nc2 Bf8 16.fe5 de5 17.Bg5 Be7 18.Bf6 (18.Bd2 b5=) 18...Bf6=+ 19.Ne3 (better 19.d5!? Na5 20.Be2-/+) 19...ed4-+ 20.Nd5 Qe5 (20...Qd8 21.Nf6 gf6 22.Qb3 dc3 23.Qc3-+) 21.Rf5-/+ Qg3 (21...Qd6 22.Rf6 gf6 23.Qg4 Kh8 24.Qh4-/+) 22.Rf3 (better 22.Nf6 gf6 23.cd4 Nd4 24.Rf6-/+) 22...Qe5 23.Rf5 Qg3 24.Rf3 Qg5 (better 24...Qd6 25.Rf6 gf6 26.Qg4 Kh8-/+) 25.Rf5=+ Qh4 Attacks the isolani on e4 26.Rf4 Qh6 27.Nf6 gf6 28.Qg4? (better 28.Qd2!? Qh5 29.cd4 Nd4 30.Rb1=+) 28...Kh8-+ 29.cd4 Rg8 30.Qf5 Nd4?? (better 30...Rg6 31.e5 Rag8-+) 31.Qf6= Qf6 32.Rf6 Kg7 33.Rb6 Ne6 34.Bc4 (34.Rb7? Nc5 35.Re7 Nd3-+) 34...Nc5 35.Bd5 Rge8 36.Bb7 (36.Ra5 Rac8=) 36...Rab8=+ 37.Rab1 Nb7 38.Rb7 Rb7 39.Rb7 Re4 40.Ra7 Ra4 41.Kf2 Ra3 42.g3 Kg6 43.Ra8 a5 44.Ra7 (44.h4 a4=+) 44...a4-/+ 45.Ra5 (45.Ra8 Ra1-/+) 45...Ra1 46.g4 (46.Ra6 f6-/+) 46...a3 47.Kg2 Kf6 48.Ra8 Ke5 49.Ra7 (better 49.Ra5 Kd4 50.g5-/+) 49...h6 (better 49...f6-+) 50.Rf7=+ Rc1 (50...Rb1 51.Ra7=) 51.Ra7= Rc2 52.Kg3 a2 53.h4 Rc3 ½–½. Riha,Vojtech (2105) – Roessel,Louis (1830), 8th Hradec Kralove Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Bd3 ed4 9.cd4 d5 10.e5 Ne4 11.Be4 de4 12.Ne2 Bg4 13.Be3 Nc6 14.d5=+ Nb4 15.d6 Nd3 16.Kf1 Bd6 17.ed6 0-0 18.Nbc3 Re8 19.h3 Be2 20.Ne2 a5 21.Qa4 Qd6-/+ 22.Kg1 Qd5 23.Kh2 h6 24.Rhb1= Nb4 25.Nd4 Rec8 26.Qb3 b5 27.Rc1?? Qb3 28.Nb3 Nc2 29.Rc2 Rc2 30.Ra5 Ra5 31.Na5 b4 32.Bd4 f5 33.Nb3 g5 34.fg5 f4 35.Kg1 hg5 36.Bf6 e3 37.Bg5 Rc3 38.Nd4 b3 39.Nb3 Rb3 40.Kf1 Rb2 0–1. Neubauer,Martin – Deutsch,Ludwig (2225), AUT–ch sf Finkenstein, 1990. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    6.Nf3 Nc6

    7.Bb5 d6 8.0-0 Nf6 9.d4 ed4 (worse is 9...Ne4 10.d5 Bd7 11.dc6 bc6 12.Bd3+=) 10.cd4 Ne4 (better is 10...0-0 11.d5 Ne5+=) 11.d5+/- Bd7 12.dc6 bc6 13.Bd3 d5 14.Be4 de4 15.Ne5 Bf6 16.Bf4 0-0 17.Qd7 Be5?? (better is 17...Qd7 18.Nd7 Ba1 19.Nf8 Rf8+/-) 18.Qd8+- Rfd8 19.Be5 Rd5 20.Bf4 g5 21.Be3 a5 22.Nc3 Re5 23.Bd4 Re6 24.Rfb1 Rd8 25.Bb6 Rb8 26.Ba5 Rb1 27.Rb1 c5 28.Nd5 Kg7 29.Bc3 Kg6 30.g4 f6 31.Rb7 Rd6 32.Ne7 (32.Ne7 Kf7 33.Nf5 Ke6 34.Nd6 Kd6 35.Rh7+-) 1–0. Andre,K – May,R, TT/4302 corr BdF, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.Bb5 Nf6 8.0-0 0-0 9.Bc6 dc6 10.Ne5 Ne4 11.Re1 Nf6 12.d4 Bf5 13.Nd2 c5 14.Ndf3 (14.Qf3 Qc8 15.Ba3=) 14...Ne4 (14...Nd5 15.Qb3 f6 16.Nc4+=) 15.Qb3 (15.g4 Nc3 16.Qb3 cd4 17.gf5 Qb6+/-) 15...Qb6 (better is 15...cd4!? 16.Nd4 Nc5+=) 16.Qb6+/- ab6 17.Ra8 Ra8 18.g4 Be6 19.Re4 Ra1 20.Re1 c4 21.Nd2 (better is 21.Kg2 b5 22.h3+-) 21...Bg5?? (better is 21...Ba3 22.Ndc4 Rc1 23.Rc1 Bc1 24.Nb6 Bf4+=) 22.Nec4+- Bc4?? (22...b5 23.Ne3 Be3 24.fe3 Bg4+-) 23.Re8# (23.Nc4?! Rc1 24.Rc1 Bc1 25.Nb6 g6+/-) 1–0. Stonavsky,Filip (1755) – Weber,Jannis (1900), 26th Czech Rapid G1, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Nf3 Nc6)

    7.Bb5 Nf6 8.d3 Qc7 9.Na3 0-0 10.Bc4 a6 11.Nb5 ab5 12.Bf7 Kf7 13.Ra8 d5 14.0-0 Na5 15.ed5 Nd5 (15...Qc3? 16.Bd2 Qb2 17.Ra5 Nd5 18.Bc1+-) 16.Bb2 Be6 (16...Nc3?! 17.Qc2 b4 18.Bc3 bc3 19.Qa2 Kf6 20.Ra5+=) 17.Ne5 Qe5 18.Ra5 Bd6 19.g3 Nc3 20.Bc3 Qc3 21.Rb5 Qc6 22.Rb2 Kg8 23.Re1 Bd5 24.d4 Ba3 25.Rc2 Qb6 26.Qd3 Qb4 27.Qe3 Qa4 28.Rc7 Bd6 29.Rcc1 b5 30.Ra1 Qc2 31.Ra7 b4 32.Ra5 Qf5 33.Rb5 Rc8 34.Ra1 g6 35.Rd1 Rc7 36.h4 Qc2 37.Rf1 Re7 38.Qg5 Bc4 39.Rb8 Kg7 (39...Bb8?! 40.Qe7 Bf1 41.Qe8 Kg7 42.Qe7 Kh6 43.Qe3 Kg7 44.Qe7 Kh6 45.Qe3 Kg7 46.Qe7=) 40.Rb6 Qe2 (40...Bf1?! 41.Rd6 Qe4 42.Qf6 Kh6 43.f3 Qe3 44.Kf1+=) 41.Ra1 Rd7 42.Rc1 Bf7 43.h5 h6 44.Qb5 Qg4 (44...Qg4 45.Kg2 gh5-+ (45...Qd4 46.Qd7 Qb6 47.Rc6+/-)) 0–1. Neumann,Ulrich – Krabbenbos,Jan (1635), IECG, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.Bc4 Nf6 8.d4 d6 (8...ed4 9.e5 Ne4 10.0-0-/+) 9.Qe2 (9.d5!? Nb8 10.Qc2-/+) 9...0-0-/+ 10.Bg5 (10.0-0 Bg4-/+) 10...ed4 (10...h6 11.Bf6 Bf6 12.d5-+) 11.cd4 Re8 (11...Ne4 12.Be7 Qe7 13.0-0-+) 12.0-0 (12.Bf6 Bf6 (12...gf6?! 13.Nc3=) 13.Nbd2 Qb6-+) 12...Ne4 13.Be7 (13.Qe4 Bg5 Discovered attack) 13...Re7 (13...Qe7?! 14.Re1-+) 14.Qd3 (14.Qb2 d5 15.Bd3 a5-+) 14...Bg4 (14...a5 15.Rc1-+) 15.Nbd2 (15.Bb5 Bf3 16.gf3 Ng5-+) 15...d5 16.Bb3 (16.Bb5 Nd2 17.Qd2 Bf3 18.gf3 Re6 19.Bc6 Rc6-+) 16...Nd2 17.Nd2 (17.Qd2 Bf3 18.gf3-+) 17...Be2 18.Qc3 Bf1 19.Kf1 (19.Rf1 a5 20.Ra1 Rc8-+) 19...Rc8 20.Qd3 (20.Nf3 Na5 21.Qd3 Nb3 22.Qb3 Qa5-+) 20…Nb4 (20...Nb4 21.Qb1 Rc3-+) 0–1. bobby fissure – marekt, ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.Nf3 Nc6)

    7.d4 ed4 8.cd4 Bb4 9.Bd2 Bd2 10.Nbd2 (worse 10.Kd2 Nf6 11.e5 Ne4 12.Ke1 d5-/+) 10...d5 11.ed5 Qd5 12.Bc4 Qh5 13.0-0 Nge7 14.d5 Nb8 (14...Nd5 15.Ne4 Nf4 16.Nd6 Kf8 17.Nf7 Qg6+-) 15.Re1+- Kf8?? (better 15...Kd8 16.Ne5 Qd1 17.Rad1 Rf8+-) 16.Qe2 (16.Qe2 Be6 17.de6+-) 1–0. nordlicht (1970) – rona81 (1960), gameknot.com, 2014.

    7.d4 ed4 8.cd4 d5 9.Bb5 a6 (9...de4!? 10.Ne5 (10.d5 Bb4 11.Bd2 Qd5 12.Bc6 Qc6 13.Bb4 ef3 14.Qf3 Qf3 15.gf3 Ne7 16.Nc3) A) 10...Bd7 11.Qb3 (11.Nd7 Qd7 12.d5 0-0-0 13.Nc3 Bb4 14.Bd2 Bc3 15.Bc3 Nge7 16.dc6; 11.Bc6 Bc6 12.Nc6 bc6 13.0-0 Nf6 14.Nc3 0-0 15.f3 ef3 16.Rf3) 11...Ne5 12.de5 Bb5 13.Qb5 Qd7 14.Nc3 Qb5 15.Nb5 Rc8 16.Na7; B) 10...Qc7 11.Bf4 (11.Nc3 Nf6 12.Qc2 Bd7 13.Nd7 Qd7 14.Ne4 0-0 15.Bc6 Qc6 16.Qc6; 11.Bb2 Kf8 12.0-0 f6 13.f4 Nh6 14.Nc3 fe5 15.fe5 Nf5 16.Qa4) 11...Bd6 12.Nc3 Nf6 13.f3 0-0 14.Bc6 Be5 15.Be5 Qc6 16.d5; C) 10...Bb4 11.Bd2 Bd2 12.Nd2 Nge7 (12...Qd5 13.Bc6 bc6 14.Ndc4 Nf6 15.Ra5 Qd8 16.Nc6) 13.Ne4 Qd5-/+ (13...0-0 14.Bc6 Nc6 15.Nc6 bc6 16.0-0) 14.Bc6 Nc6 15.Qf3 Be6 16.Nc6; 9...Nf6 10.e5 Ne4 11.Qb3 (11.0-0 0-0 12.Qb3 Na5 13.Qa2 b6 14.Ba3 Ba3 15.Na3 Be6 16.Rac1; 11.Nbd2 0-0 12.0-0 Nc3 13.Qb3 Nb5 14.Qb5 Nb4 15.Ba3 Bd7 16.Qe2; 11.Qa4 0-0 12.0-0 Bd7 13.Qb3 Nb4 14.Bd7 Qd7 15.Bd2 a5 16.Nc3; 11.Bc6 bc6 12.0-0 0-0 13.Ba3 Rb8 14.Be7 Qe7 15.Qc2 Rb6 16.Nc3) 11...0-0 12.0-0 Qb6 13.Qd5 Bf5 14.Bc6 bc6 15.Qc4 Qb4 16.Qc6) 10.ed5 (10.e5 Qb6 (10...Bb4 11.Bd2 Bd2 12.Qd2 Nge7 13.Nc3 0-0 14.0-0 Bg4 15.Be2 b5 16.Rac1; 10...Bd7 11.Bc6 Bc6 12.Nc3 Nh6 13.0-0 0-0 14.Bh6 gh6 15.Qd2 h5 16.Qh6) 11.Qd3 (11.Bc6 Qc6 12.0-0 Bf5 13.Na3 Nh6 14.Bh6 Qh6 15.Qb3 Rc8 16.Qd5) 11...Bf5 12.Qf5 Qb5 13.Qc2 Nb4 14.Qe2 Nd3 15.Kf1 Rc8 16.Be3; 10.Ne5 Bd7 11.Bc6 bc6 12.Nc3 Nf6 13.ed5 Nd5 14.Qd3 Nb4 15.Qe4 0-0 16.0-0; 10.Nc3 Nf6 (10...de4 11.Ne5 Bd7 12.Bc6 bc6 13.0-0 Nf6 14.Re1 0-0 15.Ne4 Ne4 16.Re4) 11.Ne5 (11.e5 Ne4 12.Bc6 bc6 13.Qc2 Bf5 14.Ne4 de4 15.Qc6 Kf8 16.Nd2; 11.Bc6 bc6 12.e5 Ne4 13.Qc2 Bb4 14.Bd2 Nd2 15.Qd2 0-0 16.0-0) 11...Bd7 12.Bc6 bc6 13.0-0 0-0 14.f3 Bb4 15.Qd3 Bc3 16.Qc3; 10.Bc6 bc6 11.e5 Nh6 12.Nc3 0-0 13.Bh6 gh6 14.0-0 Bg4 15.h3 Bf5 16.Qd2) 10...Qd5 11.Nc3 Bb4 12.Qe2 (12.Bd2 Bc3 13.Qe2 Be6 14.Bc3 Nf6 15.0-0 0-0 16.Bd3) 12...Nge7 (12...Be6 13.Bd2 Bc3 14.Bc3 Nf6 15.0-0 0-0 16.Bd3) 13.Bd2 Bc3 14.Bc3 Qe6 (14...0-0 15.0-0 Bg4 16.Bd3) 15.Ne5 0-0 (15...Nd5 16.Bb2) 16.0-0 Ne5 17.de5 Bd7 18.Bd3 Rac8 19.Bb4 Rfe8 20.Bd2 Nc6 21.f4 f6?? (better is 21...Qg4+=) 22.Bc4+- Nd4 23.Be6 Ne6 24.Rac1 Bb5 25.Qg4 Bf1 26.Rc8 Rc8 27.Qe6 Kf8 28.Bb4 (28.Bb4 Rc5 29.Bc5) 1–0. Bosi,C (2080) – Messina,Salvatore, ch–ITA U20, Fiuggi ITA, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.d4 ed4 8.cd4 d5 9.e5 Bb4 10.Bd2=+ Qb6 11.Nc3 Nge7 12.Na4 Qa5 13.Nc3 Qd8 14.Bd3 Bg4 15.0-0 Qd7 16.Nb5 0-0 17.Bb4=+ Nb4 18.Na7 Nd3 19.Qd3 Bf3 20.gf3 Ng6 21.Kh1 Nf4 22.Qe3-/+ Qf5 23.Nb5?? Qg5-+ (23...Qg5 24.Qf4 Qf4-+) 0–1. Abbasi,M (2010) – Gassanov,A (2305), 2nd Open Urumia IRI, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    7.d4 d6 8.Na3 (8.d5 Nb8= 9.Be3 a6 (9...a5 10.Bb5 Bd7 11.Bd7 Nd7 12.0-0 Ngf6) 10.Bb5 Bd7 11.Bd7 Nd7 12.0-0 Ngf6; 8.Bb5 ed4 (8...Bd7 9.d5 Nb8 10.Qb3 Nf6 11.Be3 a6 12.Bd7 Nbd7) 9.Nd4 Bd7 (9...Qc7 10.Qf3 Nf6 11.e5 Bg4 12.Bc6 bc6) 10.0-0 Nf6 11.Bd3 0-0 12.Re1 Re8) 8...Nf6 (8...ed4 9.cd4 d5 (9...Nf6 10.d5 Ne5 11.Bb5 Bd7 12.Ne5 de5) 10.ed5 Qd5 11.Nb5+= Kd8 12.Be2 Bg4) 9.Bd3 (9.d5 Na5+= (9...Nb8 10.Bd3 Nbd7 11.0-0 0-0 12.Qc2 a6) 10.Bb5 Bd7 11.Qa4 0-0 12.Bd7 Nd7) 9...0-0 (9...d5 10.ed5 Nd5 11.de5 Nc3 12.Qd2-/+ Bg4; 9...ed4 10.cd4 d5 11.e5 Ne4 12.0-0 0-0) 10.h3 (10.d5 Na5+= 11.Be3 a6 12.Qb1 b5) 10...d5 (10...ed4 11.cd4 d5 12.e5-/+ Ne4) 11.de5 (11.ed5 Nd5 12.Ne5 (12.de5 Nc3) 12...Ne5 13.de5 Qc7-/+) 11...Ne4 12.0-0 (12.Qc2 Bf5) 12...f6 (12...Bf5 13.Qc2-/+) 13.c4-+ Ne5 14.cd5 (14.Ne5 fe5 15.cd5 Nf2 (worse is 15...Qd5 16.Bc4 Qe6 17.Qe2+-) 16.Bh7 Kh7 17.Rf2 Qb6 18.Qd3 Bf5-+) 14...Nc3 (14...Qd5?? 15.Bc4 Qc4 16.Nc4+-) 15.Qb3 (15.Qc2 Nf3 16.gf3 Bb4-+) 15...Qd5 (15...Nd3?! 16.d6 Be6 17.Qe6 Rf7 18.de7 Qe7 19.Qe7 Re7 20.Bd2 Ne2 21.Kh2+=) 16.Qd5 Nd5 17.Ne5 fe5 18.Bb2 Nf4 (18...a5 19.Rfd1 Be6 20.Be5-+) 19.Bc4-/+ Be6 20.Be6 Ne6 21.Be5 Bc5 22.Nc4 (22.Ra2 a6-+) 22...b5 23.Nd6 b4 24.Ne4 (24.Nb7 Bb6-+) 24...a5 25.Ra4 (25.Rfd1 Rfc8-+) 25...Rf5 26.Bg3 Bb6 27.Rb1 Rd8 28.Ra2 Rfd5 29.Kh2 Rd1 30.Rbb2 R8d3 31.Nd2 Bd4 32.Rc2 Nc5 33.Ra5 R3d2 34.Rac5 Bc5 35.Rc5 b3 (35...b3 36.Be5 Rf2-+) 0–1. Lutz,Klaus Juergen (2285) – Nehmert,Ulrich (2380), Oberliga Hessen, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7)

    5.Bc4 Nf6

    6.c3 Bc5 7.d3 d5 8.ed5=+ Nd5 (8...0-0!?=+) 9.Qb3= Qf6 (9...Nb6 10.Bf7 Kf8+=) 10.Nf3 (better 10.d4!? ed4 11.Bd5+=) 10...Nf4 (10...Nb6 11.d4 ed4 12.cd4=+) 11.Bf7 Qf7 (better 11...Kf8 12.Bf4 Qf4=) 12.Qf7+- Kf7 13.Ne5 Kf6 14.Bf4 g5 (14...Re8 15.Nd2+=) 15.Bg3+- Re8 16.0-0 (16.Kd2 Be6+-) 16...Bf5 (16...Nc6 17.Nd2 Re5 18.Be5 Ke5 19.d4 Nd4 20.cd4 Kd4 21.Nf3 Kd5 22.Rfd1 Kc6 23.Ng5+-) 17.d4+- Bb6 18.Nd2 h5 Black intends g4 (18...Nc6 19.Rfe1+-) 19.h4 g4? (19...gh4!? 20.Bh4 Kg7+-) 20.Ndc4 (20.f3 gf3 21.Rf3 Rg8+-) 20...Bd8? (better 20...Nc6+-) 21.Nd6 Re6 22.Nb7 Nc6 23.Nc6 (better 23.Nd7!? Ke7 24.Ndc5 Re2+-) 23...Rc6 24.Nd8 (24.f3 Bd3 25.Rf2 Rc3 26.fg4 Kg6 27.gh5 Kh5 28.Nd8 Rd8 29.Ra5 Kg6 30.h5 Kh7 31.Ra7 Kh6 32.Bf4 Kh5 33.Ra5 Kg6 34.Rg5 Kf7 35.Bd2 Ke7 36.Re5 Kd6 37.Rf6 Kd7 38.Bc3 Rb8+-) 24...Rd8 25.Ra7 Rc3 26.Be5 Ke6 (26...Kg6 27.Rfa1 Rd7 28.R1a6 Kf7 29.Rf6 Ke7 30.Ra1+- (30.Rf5?! Ra7 31.Rh5 Ra1 32.Kh2 Ra2+-)) 27.Ra6 Kd5 28.Rf6 (28.Rh6 Bd3 29.Re1 Ra8+-) 28...Be4 (28...Bd3 29.Ra1+-) 29.Rh6 g3 (29...Bd3 30.Re1+-) 30.Rh5 Kc4 (30...gf2 31.Rf2 Rg8 32.Bf6 Kd6 33.Re5+-) 31.Bg3 (better 31.fg3 Rc2 32.Rf2 Rf2 33.Kf2 Rf8 34.Ke3 Bg2+-) 31...Bd3 (31...Rd4 32.Be5 Rd5 33.Re1+-) 32.Re1 (32.Ra1 Bc2 33.Be5 Be4+-) 32...Rc2 (32...Rd4 33.Be5 Rd5 34.Rh8+-) 33.Rc5 (33.Be5 Ra8 34.Rg5 Raa2+-) 33...Kb3 (33...Kd4 34.Rc2 Bc2+-) 34.Rc2 Kc2 35.Be5 Bg6 (35...Kd2 36.Re3+-) 36.Kh2 Bh5 37.f3 Ra8 38.g4 Bf7 39.Kg3 Kd3 (39...Kd2 40.Rg1+-) 40.h5 1–0. Starczewska,D (1990) – Chrzaszcz,M (2050), ch–Poland Academic Women rapid, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    6.c3 Bc5 7.d4 ed4 8.cd4 Bb4 9.Bd2 Bd2 10.Nd2 0-0 11.Ngf3 (11.e5 d5 12.Bd3 Re8=) 11...d5 12.ed5 Nd5 (12...Re8 13.Ne5-/+) 13.0-0=+ Be6 14.Qb3 b6 15.Ne4 (15.Ne5 a6=+) 15...h6 (15...Nc6 16.Nc3 Nf4 17.Be6 fe6 18.Rfd1-/+) 16.Rfe1=+ Nc6 17.Qd1 f5 (better 17...Na5 18.Bd5 Bd5-/+) 18.Neg5+= Bf7 (18...hg5!? 19.Re6 b5 20.Bd5 Qd5 21.Ng5 Qd4+- (21...Nd4 22.Qh5 Nf3 23.gf3 Qd1 24.Rd1 Rf6 25.Qh7 Kf8 26.Qh8)) 19.Nf7+- Rf7 20.Ne5 (20.Qb3 Rd7 21.Ne5 Nd4+-) 20...Rc7 21.Qf3 (better 21.Nc6!? Rc6 22.Qb3 Rc4 23.Qc4+-) 21...Nce7+= 22.Ba2 Kh7 (better 22...Rac8!?=) 23.Nf7+- Qd7 (better 23...Qf8 24.Ng5 hg5 25.Qh5 Kg8 26.Re7 Re7 27.Bd5 Rf7 28.Qg5 a5+-) 24.Rad1?? (better 24.Re7 Qe7 25.Bd5+-) 24...Rf8 (24...Qc6 25.Ne5 Qb7 26.Nf7=) 25.Ne5 (better 25.Ng5! hg5 26.Qh5 Kg8 27.Re7 Qe7 28.Bd5 Rf7 29.Bf7 Qf7 30.Qg5+=) 25...Qd6=+ 26.g3 (26.Bc4!?=+) 26...Nc3-/+ 27.Nf7 Qf6 28.Rc1 Na2 (better 28...Rfc8 29.Be6 Ne2 30.Qe2 Rc1 31.Bc8 Re1 32.Qe1 Nc8=) 29.Rc7+- Rf7 30.Qb3 Nb4 (30...Nd5 31.Rf7 Qf7 32.Qa2+-) 31.Qb4 Nd5 32.Rf7 Qf7 (32...Nb4? 33.Rf6 gf6 34.Re7 Kg6 35.Ra7+-) 33.Qd6 b5 (33...f4 34.Re5 Nc3 35.Re7+-) 34.Re5+- Nc3 35.Qb4 (35.Qc5 Qb3+-) 35...Ne4 (35...Qc4 36.Qc4 bc4 37.Rf5 Ne2 38.Kg2+-) 36.Qb5 (better 36.Rb5 Ng5 37.f4+-) 36...Qh5? (better 36...Qa2 37.Qf1 Qb2+-) 37.Kg2 Ng5 38.Qe2 (38.Qd3 Qh3 39.Kg1 Kg6+-) 38...Qg6 (38...Qh3 39.Kg1+-) 39.d5 (39.Qd3 Ne6 40.Qf5 Nd4 41.Qg6 Kg6+-) 39...f4 40.f3 (40.gf4?! Nf7 41.Kh3 Ne5 42.Qe5 Qd3 43.Kg2 Qg6 44.Kf1 Qg4+-) 40...fg3 41.f4 Nf7 42.Re6 (42.hg3?! Ne5 43.fe5 h5+-) 42...Qf5 43.Qe4 (43.Kg3 h5 44.Qe4 Qe4 45.Re4 Kg6+-) 43...Qe4 44.Re4 Kg6? (44...gh2 45.Re6 g5+-) 45.hg3 Kf5 46.Re7 (46.Re7 Kf6 47.Ra7+-) 1–0. Obita,Francis (1845) – Mukasa,Patrick, Kawuma Chess Championship, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    6.c3 Be7 7.Bd3? 0-0 (7...d5 8.Qe2-+) 8.Nf3 (8.c4 b5!-+) 8...d5 9.ed5?! (9.Qe2 Nbd7 10.0-0-+) 9...e4 10.c4 (10.Be4 Ne4 11.d3 Nf6-+) 10...ed3 11.0-0 Bg4 (11...b5!? 12.Nc3 bc4 13.Re1-+) 12.h3 Bh5 13.Qb3 (13.Nc3-+) 13...Bf3 14.Qb7 (14.gf3 Nh5 15.Qd3 Bd6-+) 14...Nbd7 (14...Nh5 15.Re1 Bh4 16.Re5-+) 15.gf3 (15.Nc3 Nc5 16.Qb1 Nh5-+) 15...Nc5 16.Qb2 Qd7 (16...Bd6 17.Qd4 Nb3 18.Qd3 Na1 19.Bb2-+) 17.Kg2 (17.Qe5 Bd6 18.Qg5 Qh3-+) 17...Nh5 18.Rh1 (18.Qd4 Ne6! 19.Qg4 Nef4 20.Kh1-+) 18...Nf4 19.Kf1 Ne2 (better 19...Bf6 20.Qf6 gf6 21.Nc3-+) 20.Nc3 (20.f4 Rfb8 21.Qa3 Nb3-+) 20...Qf5 21.Ne2 (21.Kg2 Nd4 22.Kg1 Qf3 23.Qa3-+) 21...de2 22.Ke2 Qd3 (22...Qd3 23.Ke1 Bf6-+) 0–1. Obita,Francis – Nsubuga,Haruna (2140), Scottish Tartan Open Chess Tournament, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Bc4 Nf6)

    6.c3 Be7 7.Nf3 0-0 8.0-0 Ne4 9.Ne5 d5 10.Bb3 Nc6 11.Nc6 bc6 12.d3 Nc5 13.Bc2 d4 14.Qf3 Be6 15.Nd2 (15.Qc6!? Bd5 16.Qb5-/+) 15...dc3-+ 16.Ne4 Bb3 17.Nc5 Bc2 18.Qe2 Bc5 19.Qc2 Bd4 20.Ba3 c5 21.Bc1 Rb8 22.Be3 Rb2 23.Qc1 Re8 24.Ra7 h6 25.Qd1 Be3 26.fe3 Qg5 (26...Re3?! 27.Rff7 Qg5 28.Rg7 Qg7 29.Rg7 Kg7 30.Qg4 Kh7 31.Qf5 Kh8 32.Qf6 Kh7 33.Qf5 Kg7 34.Qg4 Kh8 35.Qc8 Kg7 36.Qg4=) 27.Qf3 Re3 28.Qf7 (28.Qa8 Kh7 29.Kh1-+) 28...Kh7 29.Qf5 (29.Qg7 Qg7 30.Rg7 Kg7 31.Rc1 Rd3 32.Kf1-+) 29...Qf5 30.Rf5 Re1 (30...Re1 31.Rf1 Rf1 32.Kf1 c2-+) 0–1. bobby fissure (2180) – Bazza3 (2470), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Bc4 Nf6)

    6.Qe2 0-0 7.Nf3 Nc6 8.c3 (8.0-0 d6-/+ (8...Bc5 9.d3 d6 10.Bg5 h6 11.Be3 Bg4) 9.d3 Be6 10.Be6 fe6 11.Be3 d5; 8.Bb2 d6 (8...Qb6 9.Nc3 d6 10.Na4 Qc7 11.Nc3 Na5; 8...Qe7 9.0-0 d6 10.c3 Ba5 11.d3 a6) 9.0-0 Bg4 10.h3 Bh5 11.Qd3 Bc5) 8...Bc5 9.Ne5?? (9.0-0 Re8-/+ (9...d6 10.d3 Bg4 11.Bg5 h6) 10.Re1 d6 11.d3 Be6) 9...Bf2! 10.Kf2 (10.Kf2 Ne5 Zwischenzug; 10.Qf2 Ne5 Zwischenzug) 10...Ne5 11.Ba2 (11.Bb5 Re8 12.Kf1 Nc6-+) 11...d6 12.h3 Be6 13.Na3? Ba2-+ 14.Ra2 Re8 15.d3 Rc8 16.Qc2 a6 17.Re1 Nc6 18.Nc4 b5 19.Ne3 Nb4! 20.Qb1? Na2 21.Qa2 Rc3 22.Ke2 Rc6 23.Bb2 Qe7 24.Nf5 Qe6 25.Qb1 Qf5 26.Rf1 Qc5 27.Rc1 Qb6 28.Rf1 d5 29.e5 d4 30.Rf5 Qc5 (30...Qc5 31.Kf1 Re5 32.Re5 Qe5-+) 0–1. Mahoney – Rodriguez, New York Bethpage, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    6.Qe2 Nc6 7.c3 Be7 8.d3 0-0 9.f4 ef4-+ 10.Bf4 d5 11.Bb3 de4 12.de4 Re8 13.Nd2 Bd6-+ 14.Bg5 Be6 15.Bc2 Be5 16.Qf3 h6 17.Bh4 Qd6 18.Ne2 Bg4 19.Nc4?? Qc5 20.Qd3 Be2 21.Ke2 Rad8 22.Bf2 Rd3 23.Bc5 Rc3 24.Ne5 Rc2 25.Kd3 Rc5 26.Nc6 Rc6 27.Ra7 Ne4 (27...Ne4 28.Rha1 Rd6 29.Ke2 Rd2 30.Kf1 b5-+) 0–1. Nasikan,Nikolai – Gubay,Nikolay, Stepchev Memorial, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Bc4 Nf6)

    6.Qf3 0-0 7.Ne2 Nc6 8.Nbc3 d6 9.0-0 Be6 10.Nd5 Bc5 11.d3 Bd5 12.ed5 Nd4 13.Nd4 Bd4 14.Rb1 Rb8 15.Bg5 h6 16.Bh4 g5 17.Bg3 Kg7 18.h4 Qd7 19.hg5 hg5 20.Rfd1 (20.Rfc1 b5 21.c3 Bc3 (21...bc4?! 22.cd4 Rb1 23.Rb1=) 22.Rc3 bc4-+) 20...Rh8 (20...b5 21.c3 Bc3 22.d4 Bd4 23.Bd3-+) 21.Bb5 Qg4 22.Qg4 Ng4 23.Kf1 Rh1 (better is 23...f5!? 24.Bd7 Nf6 25.Bf5 Nd5 26.Rb3-+) 24.Ke2 Rd1 25.Rd1 a6 26.Ba4 Nf6 27.Bb3 Rc8 28.f3 Rc5 29.c4 Ra5 (29...b5!? 30.Be1 a5 31.Bd2-+) 30.Rb1 Nd7 (30...Bc3!?-/+) 31.Be1+= Ra1 32.Ra1 Ba1 33.Bb4 Nc5 34.Bc2 (34.Bc5 dc5 35.Ba4 Bd4+=) 34...Bd4 35.Ba5 (35.Bc5!? Bc5 36.Ba4-/+) 35...b5-+ 36.cb5 ab5 37.Bc7 Nb7 38.Bd1 Kf8 39.f4 gf4 40.Kd2 f5 41.Bh5 Ke7 0–1. Vigne,N – Goujon,Antoine, Saint Quentin op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    5.Nf3 Nc6

    6.Na3 Nf6-/+ 7.Bd3 0-0 8.0-0 Re8 9.Re1 d5 10.ed5 Nd5 11.Nc4 Qf6 (11...Bg4 12.Bb2 f6 13.h3-/+) 12.c3 (12.Be4 Nf4 13.Bc6 bc6 14.Re5 Be6+=) 12...Bf8 (12...Bc5!?-/+) 13.Be4= Nf4 (13...Be6 14.Nfe5 Ne5 15.Ne5=) 14.d4 ed4? (better is 14...Bf5 15.de5 Qe6 16.Bf4 Qc4 17.Bf5 Qf4+=) 15.Bh7!+- Kh7 16.Re8 dc3 (better is 16...Bc5 17.Bf4 Qf4+-) 17.Rf8 c2 18.Qd6 (18.Qd2 Nh3 19.Kf1 Be6 20.Ra8 Bc4 21.Ke1 Qe6 22.Qe3 Bd5 23.Qe6 fe6+-) 18...Ne2 (18...Be6 19.Ra8 Ne2 20.Kf1 Bc4 21.Qf6 Nc1 (21...gf6?? 22.Ke1+-) 22.Ke1 Nd3 (22...gf6 23.Rc1 Nb4 24.Kd2+-) 23.Kd2 gf6 24.Kc2 Nf2+-) 19.Kf1 Ncd4 (19...Nc1 20.Qf6 gf6 21.Rc1 Kg7+-) 20.Ng5 Kg6 (20...Qg5 21.Bg5 Be6 22.Ra8 Bc4+-) 21.Ne5 (21.Ne5 Kh5 22.Rh8 Qh6 23.Qh6 gh6 24.Ne6 Ng3 25.hg3 Nf5 26.Ng7 Ng7 27.Rh6) 1–0. Sammalvuo,Tapani – Konttinen,Timo, Raisio, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Nf3 Nc6)

    6.Bb2 d6 7.c3 Ba5 8.Na3 Nf6 9.Qc2 Bg4 10.Be2 Rc8 11.Nc4 Bc7 12.Ne3 0-0 13.h3 Bf3 14.Bf3 Bb8 15.Qb3 b6 16.0-0 Ne7 17.d4 Ng6 18.Rfd1 Qc7 19.g3 h5 20.h4 ed4 21.cd4 Rfe8 22.Nd5 Nd5 23.Qd5 Qc4 24.Qh5 Qb3 25.Rab1 Rc2 26.Ba1 Qa2 27.Rf1 (27.Qb5!? Rec8 28.Rb2 Rb2 29.Bb2+=) 27...Rf2= 28.Rf2 Qb1 29.Rf1 Qd3 30.Qd5 Qe3 31.Kg2 Rc8 32.Kh3 (32.Bh5 Kh7 33.Rf7 (33.Qf7 Qe4 34.Bf3 Rc2 35.Kh3 Qd3+-) 33...Rc2 34.Kh3+-) 32...Rc1-/+ 33.Bd1 Ra1 34.Qf7 Kh7 35.Rf5 Rd1 36.Rh5 Qh6 37.Rh6 Kh6 38.Qb7 Rd4 39.Qb8 Re4 40.Qd6 b5? (better is 40...Re5!?+=) 41.Qc5 (better is 41.Qd2!? Kh7 42.h5+-) 41...Re5+/- 42.Qa7 Rh5 43.Qe3 Kh7 44.Qe2 Kh6 45.Qd2 Kh7 46.Kg4 Ne5 47.Kf4 Ng6 48.Kf3 Ne5 49.Kg2 Ng6 50.Qc2 Kh6 51.Qc1 Kh7 52.Kh3 Rd5 53.g4 Rd3 54.Kh2 Rd4? 55.Qc8 Nf4 56.Qf5 Kh6? 57.Qe5 Rc4 58.Qb5?? Rd4 1–0. Klimov,Valery (1920) – Tsygankov,Dmitry (2065), Novosibirsk March op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Nf3 Nc6)

    6.Bb5 Nge7 7.c3 Ba5 8.Bc6 dc6 9.Ne5= f6 10.Nc4 b5?? 11.Na5+- c5 12.Qh5 g6 13.Qh6 Kd7 14.0-0 Qf8 15.Qh3 Kd8 16.Qd3 Bd7 17.Qd6 Ng8 18.Qf8 Be8 19.Qg7 Bc6 20.Qh8 Be4 21.Qg8 Kc7 22.Qh7 Kd6 23.Re1 g5 24.Qe4 Rh8 25.Qe6 Kc7 26.Qe7 Kb6 27.Re6# (27.Qb7) 1–0. iboyd (1950) – ajeffries (1645), net–chess.com, 2006.

    6.c3 Ba5 7.Bc4 d6 (7...Nf6 8.d3-/+ 0-0 9.Ba3 d6 10.0-0 Be6 11.Qa4 Bc4 12.Qc4 Qd7 13.Re1+=; 7...Nge7 8.Ng5 d5 9.ed5 Nd5 10.Nf7 Kf7 11.Qf3 Ke6 12.0-0 Nce7 13.Ba3+=) 8.0-0 (8.d4 ed4 (8...a6 9.Bg5 Nf6 10.Bd5 0-0 11.0-0 Qc7 12.Bf6 gf6 13.Qb3=) 9.Nd4 Nf6+= (9...Nd4 10.Qd4 Nf6 11.Bb5 Kf8 12.0-0 Bb6 13.Qa4=) 10.0-0 Bb6 11.Bg5 0-0 12.Bh4 Qe7 13.Re1+=) 8...Nf6+= 9.Qb3 (9.d4 0-0 10.Bg5 Bg4 11.Qd3 Bb6 12.Nbd2 Rc8 13.Rfd1=) 9...Qc7 (9...0-0 10.d3 Bb6 11.Ng5 Qc7 12.Ba3 Na5 13.Bf7-/+) 10.d4 (10.d3 a6 11.Bg5 b5 12.Bd5 Nd5 13.ed5+=) 10...0-0 11.Ng5 (11.d5 A) 11...Nb8 12.Na3-/+ (12.Nfd2 Nbd7 13.Qa4+=) 12...Ne4 13.Nb5+=; B) 11...Ne7 12.Bg5 h6 13.Bf6-/+; 11.Nbd2 Bb6 12.Qc2 ed4 13.cd4-/+) 11...h6 (better is 11...Bb6 12.Na3 (12.Nd2 ed4 13.cd4-/+) 12...Na5-/+ 13.Qb4-/+) 12.Nf7= (12.Nf3 Ne4 13.Re1-+) 12...Rf7 13.Bf7 Qf7 14.Qf7 Kf7 15.d5 Ne4 16.dc6 Bc3 17.Nc3 Nc3 18.Ba3 Ke6 19.c7 Bd7 20.Bb2 Nb5 (20...Ne2!? 21.Kh1 Rc8+=) 21.f4= e4 22.Bg7 Nc7 23.Bh6 a5 24.f5 Kf7 25.Ra3 d5 (25...a4 26.Bc1 Nd5 27.Rd1=) 26.Rg3 Ne8 27.Be3 b5? (better is 27...a4=) 28.Rh3+- Nf6 29.Bd4 b4? (better is 29...Rc8 30.Rh6 Rc6+-) 30.Rh6 Ra6 31.g4! Bb5 (31...Ng4 32.Ra6) 32.Rc1 Bc4 (32...Ne8 33.Ra6 Ba6+-) 33.g5 a4 (33...Rc6+-) 34.Rf6 Rf6 35.Bf6 a3 (35...Kf8 36.g6 b3 37.Bd4+-) 36.Kf2 (better is 36.Bd4 Ke8 37.g6+-) 36...b3 37.Ke3 b2 (37...Kf8 38.g6 Ke8 39.Bd4+-) 38.Bb2! ab2 39.Rb1 1–0. Weld,HA – Lasker,Emanuel, 03.05 sim USA Davenport, IA, 1926. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4)

    6.c3 Be7 7.Bc4 Nf6 8.d3 (8.d4 ed4 9.Qc2 0-0 10.0-0 d5 11.ed5 Nd5 12.cd4 Nb6 13.Bd3-/+) 8...0-0 9.0-0 d5 10.ed5 Nd5 11.Qe2 Bg4 12.Qe4 Be6 13.Ne5 +=.

    6.c3 Be7 7.d4 ed4 8.cd4 Nf6 (8...d5 9.ed5 Qd5 10.Nc3-/+) 9.Bd3 (9.d5 Nb4 10.Nc3 Qc7=) 9...d6 10.h3 (10.d5 Ne5+=) 10...0-0 11.0-0 Bd7 12.Bd2 d5 13.e5 Ne4 14.Qc2 Nd2 15.Bh7 Kh8 16.Nbd2 g6 17.Bg6 fg6 18.Qg6 Bf5 19.Qh6 Kg8 20.g4 Bh7 21.h4 Qe8 22.Ng5 Qg6 23.Qh7 Qh7 24.Nh7 Kh7 25.g5 Nd4 26.f4 (26.Kg2 a5-+) 26...Ne2 27.Kh1 (27.Kf2 Nf4 (worse is 27...Rf4 28.Ke2 Rf1 29.Rf1+/-) 28.Kg3 Nd3 29.Rf8 Bf8-+ (29...Rf8?! 30.Ra7 Rb8 31.Ra5-+)) 27...Ng3 28.Kg2 Nf1 29.Rf1 Kg6 30.f5 (30.Kg3 Kh5 31.Nb3-+) 30...Rf5 31.h5 (31.Nf3 Raf8-+) 31...Kg5 32.Nf3 Kh5 33.Rh1 Kg6 34.Rh3 Rg8 35.Rg3 Kf7 36.Nh4 (36.Rg8 Kg8 37.e6-+) 36...Bh4 37.Rg8 Kg8 38.Kh3 Re5 39.Kh4 d4 40.Kg4 d3 41.Kf4 Re7 42.Kf5 d2 43.Kf6 Re2 44.Kf5 d1Q 45.Kg4 Rf2 46.Kg3 Qg1 47.Kh3 Rh2 0–1. Milev,Kaloyan – Kirkov,Mihail (1620), Varna BUL, Youth Open U10, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.ab4 Bb4 5.Nf3 Nc6)

    6.c3 Be7 7.d4 d6 8.Bb5 Bd7 9.0-0 Nf6 10.Re1 0-0 11.h3 a6 12.Bf1 Qc7 13.Ba3 Rad8 (13...b5!?-/+) 14.d5= Nb8 15.Ne5 Bh3 (15...de5? 16.Be7 b5 17.Qf3+-) 16.Nd3 Bc8 17.Nd2 Rfe8 18.c4 Ng4 19.Rb1 Bf6 20.Be2 Ne5 21.Nf4 g6 22.Bb2 Nbd7 23.Nb3 Bg7 24.Bf1 Nf6 (worse is 24...Nc4 25.Bg7 Kg7 26.Rc1+=) 25.Bd4 Bh6 (worse is 25...Nc4 26.Bc4 Qc4 27.Na5+=) 26.Nd3 Nfg4 27.Nd2 Qe7 (worse is 27...Nc4 28.Nc4 Qc4 29.Ne5 Qd4 30.Qd4 Ne5 31.Qb4+/-) 28.Nf3 (better is 28.Ne5!? Ne5 29.Be2+=) 28...Nc4-/+ 29.g3 Bg7 30.Nf4 Bd4 31.Nd4 Nce5 32.Rc1 Qg5 33.Nh3 Qh6 34.f4 Nf6 35.fe5 de5 36.Rc8 Rc8 37.Nf3 Rc3 38.Nhg5 (38.Nf2 b5-/+) 38...Qf8 39.Bg2 (39.Qe2 h6 40.Nh3 Qc5 41.Nf2 Ng4-+) 39...h6 40.Nh3 Qc5 41.Kh1 Ne4! 42.Kh2 Nf6 43.Ne5 Qd6 44.Qd4-/+ Rb3 45.Nf2 Nd7 46.Nfd3 Ne5 47.Re5 Rc8 48.Re2 a5 49.Qg4 Rcc3 50.Re8 Kg7 51.Qd4= f6 52.Re6? Qg3-/+ 53.Kg3 Rd3 54.Qd3 Rd3 55.Kf4 Kf7 56.Rb6 Rd4 57.Ke3 Rb4 58.Rd6 a4 59.Rd7-/+ Ke8 60.Rg7 a3-+ 61.Rg8 Ke7 62.Ra8 Rb2 63.Bf1 Kd6 64.Bc4 b5 65.Ra6 Kc7 66.Bd3-/+ b4?? 67.d6+- Kd8 68.Bb5 Rb3 69.Kd4 Rc3 70.d7 Ke7 71.Ra8 (71.Ra8 Rd3 72.Kd3 Ke6 73.d8Q Kf5 74.Bd7 Kg5 75.Ra5 Kf4 76.Qf6 Kg3 77.Qg6 Kf2 78.Rf5 Ke1 79.Qg1) 1–0. Kuderinov,Kirill (2450) – Alikulov,Elbek (2140), Tashkent UZB, 7th Agzamov Mem, 2013. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Nf3 Nc6)

    6.c3 Be7 7.d4 d6 8.Bc4 Nf6 9.Nbd2 (9.d5 Nb8 10.Qd3 0-0=+) 9...0-0 10.h3 (10.d5 Na5 11.Be2 Qc7-/+) 10...h6 (10...ed4 11.Nd4 Nd4 12.cd4 Ne4 13.Ne4-+) 11.0-0 Qc7 12.Ba3 b6 13.Re1 Bb7 14.Nf1 (14.Qe2 a6=+) 14...Na5 15.Bd3 Rfe8 (15...Qc3 16.de5 Ne8 17.Ng3+=) 16.Ng3 Bf8 (16...Nc4 17.Bc4 Qc4 18.Re2-/+) 17.Bb4 Nc6 18.Ba3 d5 19.Bf8 Kf8 20.ed5 Nd5 21.c4 (21.Qa4 ed4 (worse 21...Nc3 22.Qa3 Ne7 23.Ne5+=) 22.cd4 a6-/+) 21...Nf4 22.d5 Na5 (worse 22...Nd3 23.Qd3 e4 24.Re4 Re4 25.Qe4+/-) 23.Rc1 g6 24.Bf1 Rad8 25.Qa4 Ba8 26.Qa3 Kg7 27.Qc3 e5 draws heavy fire 27...f6 28.Ne4 Nb7 29.Nh4 (29.Qa1 Nc5 30.Nc5 bc5 31.Rb1=) 29...Nd6 (29...f5 30.Nd2=+) 30.Qg3 (30.Nd6!? Qd6 31.g3 Nd5 32.cd5 Bd5 33.Red1+=) 30...Kf7 (30...Ne4 31.Re4 Qf7 32.Rd1-/+) 31.Nd6=+ Qd6 32.Ra1 a5 (32...Rd7 33.Qe3 Qc5 34.Qc5 bc5 35.g3+=) 33.Reb1 Bb7 (better 33...Qc5!?=) 34.Qe3+/- Ra8 (34...Kg7 35.Qb6 Bc8 36.Qd6 Rd6 37.Ra5+/-) 35.Rb6 Qd7? (better 35...Qc7+-) 36.g3 g5 37.Nf5!! Qf5 38.Rb7 (38.gf4?! Bc8 39.fe5 Qe5+=) 38...Kg8 39.gf4 gf4 40.Qf3 1-0. Demirci,Fatih (1760) - Akkus,Suat (1970), TCh-TUR 2nd League, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Nf3)

    6.c3 Be7 7.d4 d6 8.Nbd2 Nf6 (8...Qc7 9.Nb1+=) 9.Bb5 Bd7 10.Qb3 0-0 (10...ed4 11.Nd4 d5 12.Bc6 Bc6 13.e5-/+) 11.Bc6= Bc6 12.d5 (12.de5? Ne4 13.Ne4 Be4-+) 12...Bd7 13.Qb7 Qb6 14.Qb6 ab6 15.Bb2 (15.Rb1!?=) 15...Ra1-/+ 16.Ba1 Bb5 17.c4 Ba6 (17...Rc8!? 18.Ke2 Bc4 19.Nc4 Rc4-/+) 18.Ke2 Rc8 19.Rb1 Bc4 20.Nc4 Rc4 21.Nd2 Ra4 22.f4? (better is 22.f3!?+=) 22...Ne4-+ 23.fe5 Ra2 24.ed6 (24.Rb2 Nc3 (24...Ra1?! 25.Ne4 de5 26.Rb6=) 25.Kd3 Rb2 (25...Ra1?! 26.Kc3 Ra5 27.Rb6 Rd5 28.Rb8 Bf8 29.ed6+=) 26.Bb2 Nd5-/+) 24...Bg5 (24...Nd2? 25.Rb2 Ra8 26.de7+-; 24...Rd2?! 25.Ke3 Bd6 26.Ke4-/+) 25.Rb6? (25.Rb2 Rb2 26.Bb2 Bd2 27.Be5-+) 25...Rd2 26.Kf3 (26.Ke1 h6-+) 26...f5 27.Rb8 Kf7 28.Rb7 Ke8 29.d7 Kd8 30.Rb8 Kd7 31.Rb7 Kc8 32.Rb2 Rb2 33.Bb2 g6 34.Ba3 Kd7 35.g4 (35.h3 Nf6-+) 35...Nd2 36.Ke2 fg4 37.Bc5 Ne4 38.Bb4 (38.Bd4 Kd6-+) 38...Nf6 (better is 38...Bf4 39.Kd3 Nf6 40.Kc4-+) 39.d6 (39.Bc5-+) 39...Bf4 40.Bc3 Nd5 41.Ba5 Bh2 (41...Bh2 42.Bd2 h5-+) 0–1. Frink,Ferenc (2240) – Berczes,David (2140), Erkel Memorial op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.Nf3 Nc6)

    4.ab4 Nf6

    5.b5 Ne4 6.Qe2 d5 7.d3 Nf6 8.Qe5 Be6 9.Bg5 Nbd7 10.Qb2 Bd6 11.Nf3 0-0 12.Be2 Re8 13.0-0 Qc7 14.Nbd2 h6 15.Be3 ½–½. Frink,Ferenc (2200) – Dobos,Jozsef (2300), Zalakaros op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Nf6)

    5.c3 d5 6.ed5 Qd5 7.Qe2 Nc6 8.b5 Nb8 9.Na3 (9.d4 e4=) 9...Be6 10.c4 Qc5 11.Nc2 Bd6 12.Nf3 Nbd7 13.Ng5 0-0 14.Ne6 fe6 15.d4 ed4 16.Ba3 (16.Qe6? Kh8 17.Qe2 Rae8-+) 16...Qe5 17.Qe5 Be5 18.f4 (better is 18.Bf8 Nf8 19.Rd1+/-) 18...Rfd8? (better is 18...Bf4 19.Bf8 Kf8 20.Nd4 Nc5=) 19.fe5+- Ne5 20.Be7 (better is 20.Bb2!? d3 21.Be5 dc2 22.Bf6 gf6 23.Rc1+-) 20...Rd7+= 21.Bf6 gf6 22.Nb4 Rc8 23.Bd3 Nd3 24.Nd3 Rc4 25.0-0 Rc3 26.Nf4 Rc5?? (better is 26...Kf7=) 27.Ne6+- (27.Ra7?! Kf7 28.Ra3 Rb5+=) 27...Rb5 28.Rf6 h6? 29.Ra7 Rb1 30.Kf2 d3 31.Ra8 Kh7 32.Nf8 Kg7 33.Rg6 Kf7 34.Nd7 Rb2 35.Kf3 Kg6 36.Ne5 Kf5 37.Nd3 Rb3 38.Ke3 b5 39.Ra6 h5 40.Rc6 h4 41.Rc5 Kg6 42.Ke4 Rb1 43.Rc6 Kg7 44.Rb6 h3 45.gh3 Rh1 46.Rb5 Rh2 47.Nf4 ½–½. Kadas,Gabor (2220) – Rogos,Jan Jr (2060), Salgotarjan op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Nf6)

    5.c3 d5 6.ed5 Nd5 7.d4 ed4 8.Qd4 Be7 9.Bc4 Be6 10.Qd3 Bf6 11.Ra3 Nc6 12.Nf3 0-0 13.0-0 a6 14.Re1 b5 15.Bd5 Qd5 16.Qd5 Bd5 17.Bf4 h6 18.Nbd2 Rfe8 19.Re8 Re8 20.h4 Kh7 21.Ra6 Bc3 22.Rb6 Bb4 23.Rb5 Rd8 24.Kh2 Bf8 25.h5 Be7 26.Kg3 Rd7 27.Ne5 Ne5 28.Be5 Bc6 29.Rb6 Rd3 30.Nf3 Bd5 31.Bf4 Be6 32.Rb5 Ba3 33.Ra5 f6 34.Be3 Bd6 35.Bf4 Bb4 36.Rb5 Ba3 37.Be3 Bd6 38.Bf4 Bf8 39.Kh4 Bd5 40.Rb2 Bc5 41.Rc2 Bb6 42.Rb2 Rb3 43.Rd2 Rb5 44.Ne1 Rb4 45.Rd5 Rf4 46.Kg3 Rf2 47.Nd3 Ra2 48.Kf3 Ra7 49.Rd6 Rb7 50.Nf4 Kg8 51.Ne6 Kf7 52.Nd8 Bd8 53.Rd8 Ke6 54.Ra8 Rb3 55.Kf4 Rb4 56.Kf3 Rb7 57.Kf4 Rc7 58.Ra6 Ke7 59.Ra5 Kf7 60.Kf5 Re7 0–1. usingprogram (1925) – jasam20 (2080), internet, 2011.

    5.c3 Be7 6.d3 d5 7.Qc2 0-0 8.Bg5 d4 9.Bf6 Bf6 10.c4 Qb6 11.b5 Nd7 12.Nd2 Nc5 13.Be2 Bd7 14.Ngf3 Rfc8 15.Qb1 Ne6 16.g3 Nc5 17.h3 g6 18.g4 Ne6 19.h4 White prepares g5 19...Nf4 20.g5 Bg7 (20...Ne2?! 21.Ke2 Bg7 22.h5=) 21.Ng1 a6 22.h5 (22.ba6!? Qb1 23.Rb1 ba6 24.Rb7-/+) 22...ab5 (22...Ne2?! 23.ba6 (worse is 23.Ne2 ab5 24.Ra8 Ra8-/+) 23...Qb1 24.Rb1=) 23.Ra8 Ra8 24.hg6 hg6 25.f3? Qa5-+ 26.cb5 Bb5 27.Kf2 Bd3 28.Qb7 Be2 29.Ne2 Ne2 30.Ke2 Qa6 31.Qa6-/+ Ra6 32.Rb1 Rc6 33.Rb3 f6 34.gf6 Bf6 35.Kd3 Kg7 36.Nc4 Kh6 37.Rb6 Rb6 38.Nb6 Kg5 39.Nd7 Bh8 40.Nc5 Kf4 41.Ke2 Kg3 42.Nd3 g5 43.Nf2 Bg7 44.Nd3 g4 45.fg4 Kg4 46.Nb2 Kf4 47.Kd3 Bf8 48.Nc4 Bc5 ½–½. Charles,Cosmo – Gregg,A, Bournemouth ENG, Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.Bc4 Bb4 6.Nf3 Ne4 7.Qe2 d5 8.Bb5 Nd7 9.Ne5 0-0 10.Nd7 Bd7 11.0-0 Re8 12.Bd7 Qd7 13.Qd3 Bc5 14.g3 0–1. Feller,Joseph (2195) – Kaufman,Larry C (2400), World Seniors, 2009.

    5.d3 Bb4 6.Bd2 Be7 7.Be2 Nc6 (7...d5 8.ed5 Nd5 9.Nf3-/+) 8.c4 0-0 9.Nf3 d6 10.h3 Nd7 11.0-0 f5 12.Nc3 Nc5 13.Be3 b6 14.Qc2 Nb4 15.Qb1 a5 16.Rd1 Be6 17.d4 (17.ef5 Bf5 (17...Rf5?! 18.d4 ed4 19.Nd4=) 18.Ra3 Ra6-/+) 17...Ne4-/+ 18.Ne4 fe4 19.Qe4 Bf5 20.Qb7 Rb8 21.Qa7 Be4 22.d5 Bf6 23.Nd2 Bc2 (better 23...Bf5!? 24.Bb6 Rb6 25.c5 dc5 26.Nc4-+) 24.Bg4 Bd1 25.Rd1 Kh8 (25...Nc2 26.Be6 Kh8 27.Ne4-+) 26.Ne4 Re8 (26...Be7 27.Qd7-+) 27.Qf7 (27.Qd7 Qd7 28.Bd7 Red8-+) 27...Qe7 (27...Re7 28.Qh5 g6 29.Qh6-+) 28.Qh5 (28.Qe6 Red8-+) 28...g6 29.Qh6 Bg7 (29...Nc2 30.Bd2-+) 30.Qg5 Qg5 31.Bg5 Rbd8?? (better 31...h6 32.Bd2 Red8 33.Bb4 ab4-/+) 32.Bd8+= Rd8 33.Ng5 Kg8 34.Rb1 (34.Be6 Kf8 35.Nf7 Rb8 36.Nd6 Ke7 37.Nc8 Kd8+=) 34...Bf6 (34...Bf8 35.Kf1=+) 35.Ne4 (better 35.Be6!? Kg7 36.Nf7+=) 35...Be7 36.Kf1 Ra8 37.Ke2 Ra7 38.Kd2 Rc7 39.Rc1 Kg7 40.Be6 Bf8 (40...a4 41.Rc3-/+) 41.g3 h5 42.h4 Kh7 43.Rc3 Kg7 44.f4 (44.Rc1!?=) 44...ef4=+ 45.gf4 Be7 46.Rg3?? (better 46.f5 gf5 47.Ng3=+) 46...Bh4 (46...Rc4 47.Ke3 Bh4 48.Rg1 Nc2 49.Kd3 Rd4 50.Kc2 Re4 51.f5-+) 47.Rg2 (47.Rc3 Bf6 48.Nd6 Bc3 49.Kc3-+) 47...Bf6 (better 47...Rc4 48.Ke3 Nc2 49.Kd3 Rd4 50.Kc2 Re4-+) 48.f5 (better 48.Nd6 Kh6 49.Bf7=) 48...g5-/+ 49.Nd6 Kf8 50.Ne4? (50.Ke3 Be5 51.Ne4 g4-/+ (51...Rc4?! 52.Rg5 Nc2 53.Kd3 Rd4 54.Kc2 Re4 55.Rh5=)) 50...Be5?? (better 50...Rc4 51.Nf6 Rc2 52.Ke3 Rg2 53.Nh5 Nc2 54.Kd3 Rh2-+) 51.Rg5 (better 51.d6!? Rg7 52.f6=+) 51...Bf4-/+ (51...Rc4 52.Rg8 Ke7 53.d6 Bd6 54.Rg7 Kd8 55.Rd7 Kc8 56.Nd6 Kb8 57.Bc4 Nc6 58.Rb7 Ka8 59.Bd5 Nb4 60.f6 Nc6 61.f7 Nd8 62.f8Q b5 63.Qd8) 52.Kc3 Bg5 53.Ng5 Na2 (53...Rg7 54.Ne4-/+) 54.Kd4 Nb4 (54...Rg7 55.d6 Nb4 56.d7 Nc6 57.Kd5-/+) 55.d6 (55.f6 Ra7 56.d6 Nc6 57.Ke4+-) 55...Rc6?? (55...Rg7!? 56.Nf3 Nc6 57.Kd5 Nd8-/+) 56.Ke5?? (better 56.d7 Rd6 57.Ke5 Rd7 58.Bd7+-) 56...Rc5?? (better 56...Nd3 57.Kd5 Nb4 58.Ke5 Nd3 59.Kd5 Nb4 60.Ke5=) 57.Kf6+- Nc6 58.Nh7 (58.d7 Rf5 59.Bf5 Kg8 60.Bh7 Kh8 61.Be4 Nd8 62.Nf7 Kg8 63.Nd8 h4 64.Ne6 h3 65.d8Q) 58...Ke8-/+ 59.Kg7 Kd8?? (59...Nd4 60.Kf6 Nf3= (60...Ne6? 61.fe6 Rc4 62.Kg6 Rg4 63.Kh5+-)) 60.Nf6?? (60.f6 Nd4 61.Bh3 Nf5 62.Bf5 Rf5 63.Kg6=+) 60...Ne5 (60...a4 61.Ne4 a3 62.Nc3-+) 61.Nd5? (61.Ne4 a4 (61...Rc4 62.Bc4 Nc4 63.f6+/-) 62.f6 a3-+) 61...h4 (better 61...Nc4 62.d7 h4-+) 62.Nb6?? (better 62.f6 Rc4 63.Nb6-+) 62...h3-+ 63.Nd5 (63.Na4 h2 64.Nc5-+) 63...h2 64.Nf4 h1Q 65.Ng6 Qg1 66.Kf8 Ng6 67.fg6 Rc6 (67...Qg6 68.Bd5 Kd7 69.Be6 Ke6 70.d7 Qf7) 68.d7 (68.g7 Qf2 69.Bf7-+) 68...Rd6 (68...Re6 69.Kg8 Qg6 70.Kh8 Kd7 71.c5 Re8) 69.Bf7 Qg5 (69...Rg6 70.Bg6 Qg6 71.c5 Kd7 72.c6 Ke6 73.c7 Qf7) 70.g7 Qe7 71.Kg8 Rf6 (71...Rd7 72.Kh8 Qf6 73.c5 Rf7 74.c6 Qg7) 72.Kh8 (72.Be8 Qe6 73.Bf7 Qf7 74.Kh7 Rf5 75.c5 Rh5) 72...Rf7 (72...Rh6 73.Kg8 Kd7 74.Bg6 Rg6 75.c5 Qg7) 73.g8Q Rf8 (73...Rf8 74.Qf8 Qf8 75.Kh7 a4 76.Kg6 a3 77.Kg5 a2 78.Kg4 a1Q 79.Kh4 Qf3 80.Kg5 Qaf6; 73...Kd7 74.Qg4 Kd8 75.Qd4 Ke8 76.Qg7 Rg7 77.c5 Qf8) 0-1. Trimitzios,Petros (2350) - Aldokhin,I (2410), Speed Chess Super Swiss, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.Qf3 Bb4 6.Bc4 0-0 7.c3 Be7 (7...Bc5 8.Ba3 d6 9.Bc5 dc5 10.Qe2-/+) 8.Ne2 (8.d3 a5-/+) 8...Qc7 9.d3 d6 10.Na3 (10.Ng1 h6-/+) 10...Nc6 (10...Bg4 11.Qg3 a6 12.f3-/+) 11.Qg3 (11.h3 Be6-/+) 11...Kh8 (11...a6 12.0-0+=) 12.0-0 (12.Be3 Na5 13.Ba2 Bg4+=) 12...a6 13.f4? (better is 13.Nc2!?+= should be investigated more closely) 13...Bg4 (13...Na5 14.Qe3-+) 14.fe5 (14.Qe1!?-/+) 14...Ne5-+ (14...Be2?! is much weaker 15.ef6 gf6 16.Re1=; 14...de5?! 15.Rf6 Be2 16.Rf2-/+) 15.Nf4 Nh5 (better is 15...Nc4!? 16.Nc4 b5-+) 16.Nh5-/+ Bh5 17.Ra2 Nc4 (17...Rad8!?-/+) 18.Nc4+= Rae8 (18...f6 19.Ne3+=) 19.Bf4 (19.Ba3 Rd8=) 19...Rd8 20.Be3 Qd7 (20...Rb8 21.Bd4 f6 22.Ne3=) 21.Bb6 Rc8 22.Ne3 f6 23.Nf5 Bg6 24.Bd4 Rc6 25.c4 Rfc8 26.h4 Bf5-/+ 27.Rf5 b5 28.cb5 ab5 29.h5 h6 30.Raf2 Bd8 31.Rf6? Bf6-+ 32.Rf6 d5 33.Rc6 Rc6 34.ed5 Rc1 35.Kh2 Qf7 36.Qe5? Rf1 37.g4 Rd1 38.Qe4-/+ Rd2 39.Kg3 Qc7 40.Be5= Qc2 41.Bg7 Kg7 42.Qe7 Kg8 43.Qe8 Kg7 44.Qe7 ½–½. Frink,Ferenc (2230) – Horvath,Gyula (2440), Zalakaros op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.Nf3 Bb4 6.c3 Be7 7.Bc4 0-0 8.Qb3 Nc6 9.Ng5 Qe8 10.d3 h6 11.Nf7 (better is 11.Nf3!?+=) 11...Rf7-+ 12.0-0 Nd8 13.Bf7 Qf7 14.Qb2 Nc6 15.Be3 b6 16.Nd2 Bb7 17.Bb6? (better is 17.f4!?-/+) 17...ab6-+ 18.Ra8 Ba8 19.Ra1 Bb7 20.Qb6 Nd8 21.Nc4 Qe6 (better is 21...Ne4 22.Ne5 Qf5-+) 22.Qe6-/+ de6 23.Ne5 Nc6 24.Nc4 Ne8 25.Kf1 Nd6 26.Ne3 Kf7 27.f3 Ke8 28.d4 Bg5 29.Ke2 Kd7 30.Kd3 Kc7 31.g3 Be3 32.Ke3 Nc4 33.Kf4? (better is 33.Kd3 N6a5 34.h4-/+) 33...e5-+ 34.Kf5 ed4 35.cd4 (35.Kg6 N6e5 36.Kg7 Nf3 37.cd4 Be4 38.Kh6 Nh2-+) 35...Nd4 36.Kg6 Nf3 37.Kg7 Be4 38.Kh6 Nh2 39.Re1 Bd3 40.Rd1 Bf5 41.Kg5 Be6 42.Kf6 Bd7 (better is 42...Bc8-+) 43.Rd7+= Kd7 44.g4 Nd6 45.g5 Ng4 46.Kg6 Ke7 47.Kh5 Ne5 48.g6 Kf6 (better is 48...Kf8!?-/+) 49.g7= Kg7 50.Kg5 Kf7 51.Kf4 Ke6 ½–½. Frink,Ferenc (2170) – Pagerka,Martin (2090), SVK–ch op–A Banska Stiavnica, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Nf6)

    5.Nf3 Qc7 6.Bb2 d6 7.d4 Nc6 (7...Ne4!? 8.Bb5 Bd7 9.Bd7 Nd7+=) 8.b5+= Nd4 9.Nd4 ed4 10.Bd4 b6 11.Bd3 Be7 12.0-0 0-0 13.Nc3 Bb7 14.Nd5! Bd5 (14...Bd5 15.ed5 Combination; 14...Nd5 15.ed5 Combination) 15.ed5 Nd7 16.Ra3 g6 17.Qa1 Rfe8 18.Re1 Ne5 19.Bf1 Bf8 20.f4 Ng4 21.Re8 Re8 22.h3 Nh6 23.Bd3 Qe7 24.g3 Qe1 25.Qe1 Re1 26.Kf2 Re7 27.Rc3 f5 28.Rc8 Kf7 29.Kf3 Re8 30.Rc6 Ng8 31.g4 fg4 32.hg4 Nf6 33.Bf2 h5 34.gh5 Nh5 35.Bh4 Nf6 36.c4 Be7 37.Rc7 Ra8 38.Bg6! (38.Bg6 Kg6 39.Re7+-) 1–0. Bolsunovsky,Konstantin – Vanman,Kent (2160), Ostrava Konik op–A, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Nf6)

    5.Nf3 Ne4 6.Qe2 d5 7.Ne5 Be6 8.c3 Bd6 9.Qb5 Nd7 10.Nd7 Bd7 (10...Qd7!? 11.Qd7 Kd7 12.Bb5 Ke7=) 11.Qd5 Bc6 12.Bb5 0-0 13.Bc6 bc6 14.Qc6 (worse is 14.Qe4 Re8 15.d3 Bb4-+) 14...Qf6 15.d4?? (15.Rf1 Qe6 16.Kd1 Qb3 17.Ke2-+) 15...Qf2-+ 16.Kd1 Qg2 (16...Qg2 17.Rf1 Qf1 18.Kc2 Rae8-+) 0–1. Schuettfort,Hartmut (1665) – Siol,Juergen (1680), Bielefeld, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Nf6)

    4.Bc4 Nc6

    5.ab4 Bb4 6.f4? Nf6 7.c3-/+ Bc5 8.d3 0-0 9.f5 d5-+ 10.ed5 Nd5 11.Kf1 Bf5 12.Nf3 Nb6 13.Bg5 Nc4 14.Bd8 Ne3 15.Ke2 Nd1 16.Bh4 Ne3 17.Ne1 Nd5 18.h3 Rfe8 19.g4 Bg6 20.Kd2 f6 21.Kc2 Rad8 22.Nd2 Nf4 23.Ne4 Nd3! 24.Nc5 Nc5 25.Kb2 Rd2 26.Ka3 e4 27.g5 f5 28.Bg3 Nd3 29.h4 Bh5 30.Rf1 g6 31.Rb1 b6 32.Rb5 Ne1 33.Be1 Be2 34.Bd2 Bb5 35.c4 Bc4 36.Rc1 Bb5 37.Bc3 f4 38.Bf6 f3 39.h5 f2 40.Rd1 f1Q (40...f1Q 41.Rf1 Bf1 42.hg6 hg6-+) 0–1. Helin,M (2060) – Lonborg,M (2150), 24th Politiken Cup (11), 2002.

    5.Nf3 Be7 6.ab4= Bb4 7.c3 Bc5 8.d4 ed4 9.cd4 Bb4 10.Kf1 Qe7=+ 11.e5 d6 12.Ra2 de5-/+ 13.d5 Nb8 14.Ne5=+ Nf6 15.Bb5 Kf8-/+ 16.Re2 Qc5 17.Bc4 Nbd7 18.Be3 Qd6 19.Nd3 Nb6 20.Qb3= a5 21.Nc3? Nc4-+ 22.Qc4 b5 23.Qb3 Bb7 24.Bf4=+ Qd7 25.Nb4 ab4 26.Qb4 Kg8 27.Re7 Ra1 28.Bc1? Rc1-+ 29.Ke2 Qg4?? 30.Qg4+- h5 31.Rb7 Rc2 32.Kd1 hg4 33.Rb8 Kh7 34.Rh8 Kh8 35.Kc2 (35.Kc2 b4 36.Ne2 Nd5 37.Rd1+-) 1–0. Rubinstein,Patt – Garcia Vera,Romeo, Buenos Aires (16), 1952.

    4.Bc4 Nf6

    5.ab4 Bb4 6.Qe2 0-0-/+ 7.Nf3 Nc6 8.Ba3 d6 9.Bb4 Nb4 (9...Nb4 10.Bb3 Be6-/+) 0–1. chessleon (2055) – clavecinist (2090), net–chess.com, 2008.

    5.d3 ba3 6.Nf3 b5 7.Bb3 Nc6 8.Na3 Bb4 9.Bd2 Bd2 10.Qd2 =+.

    5.d3 ba3 6.Nf3 Bc5 7.Ne5 Qa5 8.Qd2 Bf2 9.Kf2 Qe5 10.Qc3 Nc6 11.Qe5 Ne5 12.Bb3 d6 13.Ba3 Ke7 14.d4 Nc6 15.e5 Ng4 16.Kg3 Nd4 17.Bd6 (17.ed6 Kd8 18.Bc5 Nb3 19.cb3 Be6+=) 17...Ke8 18.Ba4 b5 19.Rd1 (19.c3 Nf5 20.Kg4 Nd6 21.Kf4 g5 22.Kf3 Bb7 23.Ke2 ba4 24.ed6 Bg2 25.Rd1-+) 19...Ne3-/+ (19...ba4?! 20.Rd4 Ne3 21.Rda4+=) 20.Rd4 Nf5 (20...ba4?! 21.Rda4 a6 22.Na3+=) 21.Kf4 Nd4 (21...ba4 22.Rda4 a6 23.Nd2+=) 22.Ke4 ba4 23.Kd4 f6 24.Nc3 Kd7 25.Na4 Kc6 26.c4 fe5 27.Be5 Rd8 28.Kc3 Bf5 29.Nb2 Rd7 30.Ra6 Kb7 31.Ra5 g6 32.Na4 Rd1 33.Rb5 Kc8 34.Rc5 Kd8 35.Bc7 Ke8 36.Bf4 Rc8 37.Re5 Kf7 38.Ra5-/+ a6! 39.Nb2 Rf1-+ 40.g3 Rc6 41.Na4 Rf3 42.Kd4?? Rd3 (42...Rd3 43.Ke5 Re6) 0–1. Krastev,G (1995) – Raeva,E (2235), 2nd Milko Bobotsov Mem, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bc4 Nf6)

    5.d3 ba3 6.Nf3 Be7 7.0-0=+ Nc6 8.c3 0-0 9.Na3 d6 10.Nc2 Bd7 11.Ne3=+ a6 12.Ba3 b5 13.Bb3 a5 14.Bd5 Rb8 15.Bc6 Bc6 16.Nf5 b4 17.cb4 ab4 18.Rb1 g6 19.Ne7= Qe7 20.Bb4 Rfd8 21.Re1 Qa7 22.Qc1 Qa4 23.Qg5 Rb4 24.Qf6 Rdb8 25.Rbc1+- Rb2 26.Qd6 Rc2?? 27.Qb8 (27.Qb8 Kg7 28.Qe5 Kg8 29.Ra1+-) 1–0. Capron,D (2160) – Ostertag,M (1900), USCF Thonon Les Bains, 1995.

    5.d3 Nc6 6.f4 ef4 7.Bf4 d5 8.ed5 Nd5 9.Bg3? Be7 10.Nf3 0-0 11.0-0? Ne3 12.Qe2 Nf1 13.Qf1 Bg4 14.ab4 Bf3 15.Qf3 Qd4 (15...Qd4 16.Kh1 Qa1-+) 0–1. Vidmar,R – Filgueira,Hernan (2315), Siembra Villa Ballester op (1), 1996.

    5.Qe2 Nc6 6.Nf3 Bc5 =+.

    5.Qf3 Nc6 6.Ne2 Qc7 (6...Bc5 7.0-0-/+) 7.0-0 (better is 7.Qb3 Ne4 8.Bf7 Kd8 9.0-0+=) 7...Nd4-+ 8.Qd3 d5! 9.ed5 (9.Bd5 Qc2 Pinning (9...Qc2 Deflection); 9.ed5 Bf5 Combination) 9...Bf5 10.Bb5 Kd8 (10...Nb5?! 11.Qf5 (worse is 11.Qb5 Qd7 12.Qd7 Kd7-+) 11...ba3 12.Qd3=) 11.Qc4 Nb5 12.Qh4 (12.Qb5 a6 13.ab4 ab5 14.Ra8 Bc8 15.Nec3 Bb4 16.Ba3 Ba3 17.Na3-+) 12...Qc2 13.Ng3 (13.a4 Bd3 14.ab5 Be2-+) 13...Bd3 14.Re1 Qc4 (better is 14...Rc8!? 15.h3 b3 16.Nc3 Nc3 17.dc3-+) 15.Qg5 (15.Qc4 Bc4 16.ab4 Nd4-+) 15...Qf4 (15...Qf4 16.Qe5 Qe5 17.Re5 Nd4 18.ab4 Nb3-+) 0–1. Santos,Marcus Vinicius M (2245) – Vescovi,Giovanni P (2510), Paulisto–ch3, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Bc4 Nf6)

    5.Nf3 Nc6 6.0-0 Be7 7.ab4=+ Bb4 8.Re1 d6 9.c3= Bc5 10.d4 ed4 11.cd4 Bb6 12.Nc3 0-0 13.Ba3 Bg4-/+ 14.Nb5 a6 15.Nd6=+ Nd4 16.Nf7+/- Nf3 17.gf3 Qd1 18.Ne5 (18.Ne5 Qd5 19.ed5+/-) 1–0. yourmove (2795) – yannigator (1900), net–chess.com, 2008.

    5.Nf3 Ne4 6.d3 Nc5 7.ab4 Bd6?? 8.bc5+- 0-0?? 9.cd6 b6 10.Bg5 Qe8 11.Be7 Ba6 12.Ba6 Na6 13.Bf8 Qf8 14.Ra6 Qd6 15.0-0 Qe7 16.Nc3 Qb4 17.Qa1 Qf8 18.Ne5 d6 19.Nd7 Qc8 20.Nb6! Qa6 21.Qa6 (21.Qa6 Re8 22.Qa7+-) 1–0. yourmove (2795) – fslorenzo, net–chess.com, 2008.

    5.Nf3 Ne4 6.Qe2 d5 7.Bb5 Bd7 8.Ne5 -/+.

    4.Nf3 Nc6

    5.Bb2 ba3 6.Na3 d6 7.Bc4 Be7 8.0-0 Nf6 9.Qe2 0-0 10.c3 Bg4 11.d4 ed4 12.cd4 d5 13.ed5 Nd5 14.Nc2 Be6 15.Bd3 Nf4 16.Qe4 Nd3 17.Qd3 Bd5 18.Ne5 Nb4 19.Nb4 Bb4 20.Ba3 Ba3 21.Ra3 Qg5 22.Qh3 Be6 23.Qf3 f6 24.Nd3 Rfd8 25.Nf4 (25.Qb7?? Bd5 26.Qd5 Rd5-+) 25...Bg4 26.Qe3 Re8 27.Qd2 Re2! 28.Qc1 (28.Ne2 Qd2) 28...Re4 29.Qc4 Kh8 30.Nh3 Qh5 (30...Qd2 31.Qb5 Re1 32.Re1 Qe1 33.Qf1-+) 31.Rg3? (better is 31.f3 Be6 32.Qb4+=) 31...Qe8?? (better is 31...Be6 32.Qc7 Qf7 33.Qf7 Bf7-+) 32.f3+/- Rc8 33.Qd5?? (33.Qb4 Bf3 34.Rgf3+/- (34.Rff3?? Rc1 35.Rf1 Ree1 36.Qe1 Re1-+)) 33...Re1-+ 34.fg4 Rf1?? 35.Kf1+= Rc1 36.Kf2 Qe1 37.Kf3 Qf1 38.Ke4?? Re1 39.Re3 Qg2 40.Kf4 g5 0–1. Rzewnicki,Pawel (1800) – Pokojska,Daria (2125), Wroclaw–ch, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    5.Bb2 ba3 6.Na3 d6 7.Bc4 Bg4 8.d4 Nf6 9.h3 Bf3 10.gf3 a6 11.Qd3 (11.d5 Ne7-/+) 11...Qc7 (11...ed4 12.Qb3 d5 13.ed5-/+) 12.f4 Be7 (12...Qb6 13.Rb1 Nd4 14.0-0-+) 13.Rg1=+ 0-0 14.Qg3 g6 15.fe5 (15.d5!? Nd4 16.Qd3-/+) 15...de5-/+ 16.de5 Ba3 (16...Ne4 17.Qe3 Ba3 18.Ra3 Ne5 19.Bd5=) 17.Ra3 Ne4 18.Qf4 Nc5 (18...Na5 19.Bd3 Nc4 20.Rb3-/+) 19.Rag3 (19.Qf6 Ne6 20.Be6 fe6 21.Qe6 Kh8=+) 19...Ne7 (better 19...Rfe8!?-/+) 20.Qf6= Ne6 21.Be6 fe6 22.Qe6 Rf7 23.Qb3 Qc5 Exerts pressure on the backward pawn 24.Rf3 (24.Qb7?? Qf2 25.Kd1 Rd8 26.Bd4 Rd4 27.Kc1 Qf4 28.Kb1 Rb4 29.Qb4 Qb4 30.Rb3 Qe4-+) 24...Qd5 25.Rgg3 Qb3 26.cb3 Nd5 27.Ba3 Re8 28.Bd6 Nf4 29.Rg4 Ne6 30.Ke2 Rc8 31.Rf7 Kf7 32.Kd3 Rc1 33.Ke4 (33.Rh4 h5=) 33...Rd1 (33...Rc2 34.Rh4 h5 35.Kd3 Rf2 36.Ke3-/+) 34.Rg3 Rd4 35.Ke3 Rf4 36.Rg4 Rg4 37.hg4 h5 38.gh5 gh5 39.Ke4 Ng7 40.Kf4 (40.Bc7 Ke6=) 40...Ne6 41.Ke4 Ng7 ½–½. Zajtzev,Alexander (1985) – Kozenkov,Evgeny (1935), Obninsk, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bb2 ba3 6.Na3= d6 7.d4 ed4 8.Nd4 Nf6 9.Bc4 (9.Bd3 Be7=) 9...Be7 (9...Ne4 10.Nab5 Be7 11.Qe2+=) 10.0-0= 0-0 11.Re1 Nd4 12.Qd4 Ne8 (12...Be6 13.Bd5+=) 13.Nb5 (13.Qd3 a6+=) 13...a6= 14.Nc3 (14.Bd5 Rb8 15.Qa7 Bd7=) 14...Bf6 15.e5 de5 (15...Be5?? 16.Re5 Qf6 17.Re4+-) 16.Qd8 Bd8 17.Ba3 Ba5 18.Re3 (18.Bf8? Bc3 19.Ba3 Be6 (19...Be1?! 20.Re1 Be6 21.Bd3-/+) 20.Be6 fe6-+) 18...Bb6 19.Rf3 (19.Rg3 Bd4 20.Re1 Nf6=) 19...Bg4+= 20.Rg3 Bf5 (20...Bd4 21.Bf8 Kf8 22.Bd5-/+) 21.Nd5 (21.Rb1 Rc8 22.Rb6 Rc4 23.Rb7 Bc2 24.Bf8 Kf8=) 21...Bd8 22.Re1 Bc2 23.Re5 Nf6 24.Rge3 (24.Rc3 Ba4 25.Bf8 Kf8+=) 24...Nd5+= 25.Rd5 b5 26.Bf8 Kf8 (26...bc4?? 27.Re8 h6 28.Rdd8 Rd8 29.Rd8+-) 27.Bb3 Bg6 28.Kf1 Rb8 (28...Rc8 29.g3+=) 29.f4 f6 30.f5 Bf7 31.Rd7= Be8 32.Ra7 Bb6 33.Re8 Ke8 34.Rg7 Rd8 35.Rh7 Rd3 36.Be6 b4 37.Bc4 Rc3 38.Ba6 b3 39.Rb7 b2 40.Rb6 Rc1 41.Kf2 b1Q 42.Rb1 Rb1 43.Bd3 Rb4 44.Kf3 Rb3 45.Ke3 Ke7 46.Ke4 ½–½. Kafetzis,Georgios (1990) – Kalogeris,Ioannis (1965), Chania GRE, 4th Med Junior Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bb2 ba3 6.Na3 d6 7.d4 Bd7 8.de5 de5 9.Nc4 (9.Be5?? Ne5 10.Nb5 Qb8-+) 9...Nf6 10.Nce5 Bb4 11.c3 Be7 12.Nd7 Qd7 13.Qd7 Nd7 14.Rd1 Nb6 15.Bb5 0-0 16.0-0 a5 17.Nd4 Rfc8 18.Nf5 Bc5 19.c4 f6 20.Rd3 Ne5 21.Rg3 g6 22.Rc1 a4 23.Ba1 a3 24.Kf1 Rd8 25.Ke2 Kf8 26.f4 Nc6 27.Bc6 bc6 28.Ne3 Bd4 29.Nc2 (29.Nd5 Ba1 30.Ra1 cd5 31.cd5-+) 29...Bb2-+ 30.Bb2 ab2 31.Rb1 Nc4 32.Rc3 Rd2 33.Kf3 Ra4 34.h3 h5 35.g3 (35.f5-+) 35...Rh2 36.h4 (36.Rd1-+) 36...Nd2 37.Ke3 Nb1 38.Rc6 Na3 39.Rb6 Nc2 (39...Nc4 40.Kd4 Nb6 41.Nb4 Rb4 42.Kc5 Rc2 43.Kb4 b1Q 44.Ka5 Ra2) 40.Kd3 Nb4 (40...Ra3 41.Kc4 Ne3 42.Kd4 Rd2 43.Kc5 Rc3 44.Kb5 b1Q 45.Ka6 Qa2 46.Kb7 Rd7 47.Kb8 Qa7) 41.Kd4-+ b1Q (41...b1Q 42.Rb4 Qb4 43.Kd5 Qc4 44.Kd6 Rd2) 0–1. Solovyev,Mikhail (2030) – Sabirov,Irek (1930), Tatarstan–ch op, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    5.Bb2 Nf6 6.ab4 Bb4 7.Bd3 d5 8.ed5 Qd5 9.Qe2 Bg4 10.Nc3 Bc3 11.Bc3 0-0 12.Ra4 (12.Bc4 Qc5 13.0-0 Rae8-+) 12...Rfe8 13.Be4 (13.Bh7 Kh7 (worse 13...Nh7 14.Rg4 Nd4 15.Qd1-+) 14.Rg4 Ng4 15.Ng5 Kg8 16.Qg4 Qa2-+) 13...Qd7 14.Ra1 (14.Bc6 Qc6 (14...bc6?! 15.h3 Bf3 16.Qf3-+) 15.Rb4 a5 16.Rg4 Ng4-+) 14...Nd4 (14...Ne4?! 15.Qe4 Bf5 16.Qa4-+) 15.Bd4 ed4 16.d3 Nd5 17.0-0 Nc3 18.Qd2 f5 0–1. mizuzul (2110) – Bazza3 (2585), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bb2 Nf6 6.Bd3 Qb6 7.0-0 (7.Be5? Ne5 8.Ne5 Qd4-+) 7...d6 8.ab4 Nb4 9.Bc4 Bg4 10.Nc3 Be7 11.Bb5 Nc6 12.Rb1 0-0 13.h3 Bf3 14.Qf3 Nd4 15.Qd3 Rac8 (15...Nb5!? 16.Nb5 Ne4 17.Bd4-+) 16.Bc4 Qc5 17.Bd5 b5 (17...Nd5?! 18.Nd5 Bg5 19.Bd4 Qd4 20.Rb7 Qd3 21.cd3=) 18.Ba2 a6 19.Rfc1 Ne6 20.g3 Qa7 21.Ra1 Nc5 22.Qe3 Qd7 23.Kg2 Bd8 24.d4 ed4 25.Qd4 Re8 26.Bd5 (26.f3!?+=) 26...Bb6 27.Qd2 b4 28.Ne2? (better is 28.Na4!? Nd5 29.Nc5 Rc5 30.ed5-+) 28...Nce4 (28...Nd5?! 29.ed5 a5 30.Nd4-+) 29.Be4 Ne4 30.Qb4 Bc5 31.Qb3 Rb8 32.Qa2 Nf2 33.Nf4 Qb7 34.Nd5 Re2 35.Kf1 Rd2 36.Bc3 Qb5 (36...Qb5 37.Kg2 Ne4 38.Kf3 Rf2 39.Kg4 Qe2 40.Kh4 g5) 0–1. Lopez de Lerma,Ruiz Jesus – Ahmed Harjour,Arabi, Asturias–chT, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    5.Bb2 Nf6 6.Bd3 d5 7.ed5 Qd5 8.0-0? (8.ab4 Bb4 9.Qe2-/+) 8...Be7?? (better is 8...e4 9.Bf6 ed3 (worse is 9...gf6 10.Be4 Qa5 11.Bc6 bc6 12.Re1 Be6 13.c3+=) 10.Re1 Be6-/+) 9.Re1 e4 (better is 9...Bg4 10.ab4 Bb4=) 10.Be4?? (better is 10.Bf6 ed3 11.Be7 Ne7 12.ab4+/-) 10...Ne4-+ 11.d3 Nc3! 12.Nc3 bc3 13.Bc3 0-0 14.Ne5 Bf6 15.d4 Rd8 16.Qe2 Be6 17.Rad1 a6 18.Qe3 Qa2 19.Qe4 Be5 20.de5 Rd1 21.Rd1 Qa3 22.Bd4 Rd8 23.Ra1 Qa1! 24.Ba1 Rd1 (24...Rd1 25.Qe1 Re1) 0–1. Bednarczyk,Katarzyna – Wierzbowska,Aleksandra, Mistrzostwa Polski Juniorek Grupa D12, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bb5 Qb6 6.Qe2 Nd4 7.Nd4 Qd4 8.c3 bc3 9.Nc3 Nf6 10.Bb2 Bd6 11.0-0 0-0 12.g4 h6 13.h4 Qb6 14.g5 hg5 15.hg5 Nh7 16.Kh1 Qd8 17.Rg1 Bc5 18.Nd5 d6 19.Qh5 Be6 (19...Bf2 20.Rg2 Ng5 21.Rg5+- (21.Rf2 f6 22.Rg1 Be6+-; 21.Qg5?! Qg5 22.Rg5 g6+=)) 20.Bc4 g6 (20...b5 21.Rg2 g6+/- (21...bc4?? 22.Rh2 f5 23.Qh7 Kf7 24.Qh5 g6 25.Qh7 Ke8 26.Nc7 Qc7 27.Qc7+-)) 21.Qh6= Qd7?? (21...b5 22.Rg2 Bh3 23.Qh3 Ng5+-) 22.Nf6 (22.Nf6 Nf6 23.gf6 Bc4 24.Qg7) 1–0. Reinke,Markus (2190) – Schmoll,Heinz (1960), NRW Class2, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    5.Bb5 Bc5 6.0-0 Nf6 7.ab4 Bb4 8.c3 Be7 9.Qa4 Qc7 10.Na3 0-0 11.Bb2 d6 12.d4 Ne4 13.de5 Nc5 14.Qc2 (14.ed6!? Bd6 15.Qh4-/+) 14...Ne5 15.Ne5 de5 16.Nc4 a6 17.Ne3 Be6 18.Bc4 Bc4 19.Nc4 b5 20.Ne3 Na4 21.Nd5 Qb7 22.Ne7 Qe7 23.Ba3 Nc5 24.c4 b4 25.Bb4 Rfc8 26.Ra5 Qd6 27.Rd1 Qb6 28.Qc3? (better is 28.Rc5!? Rc5 29.Bc5 Qc5 30.Rd5-/+) 28...Ne4-+ 29.Qe1 Rc4 30.Bd2 Nd2 31.Re5 Nf3! 32.gf3 g6 33.Re8 Re8 34.Qe8 Kg7 35.Rd8 Rc1 36.Kg2 Qc5 37.Qh8 Kh6 38.Rd4 Rc4 39.Rc4 Qc4 40.Qf8 Kh5 41.Qg7 h6 42.Qe5 f5 43.h3 Qd3 44.f4 Qe4 45.f3 Qe5 46.fe5 g5 47.f4 Kg6 48.Kf3 a5 49.h4 g4 50.Ke3 a4 51.Kd4 a3 52.Kc3 g3 0–1. Schaffranietz,Horst (1960) – Sakkal,Cherin (2035), Munich–ch VM2, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    5.Bb5 Qc7 6.0-0 Nf6 7.c4 Bc5 (7...Ne4?! 8.Re1 Nf6 9.d4=) 8.d3 Nd4 9.Nd4 Bd4 (worse is 9...ed4 10.e5 Ng8 11.ab4 Bb4 12.Bd2 Bd2 13.Nd2+=) 10.Ra2 a6 11.Ba4 0-0 12.ab4 d6 13.Nd2 Bg4 14.Nf3 b5 15.Bb3 bc4 16.Bc4 Rfd8?? (better is 16...Ne4 17.Rc2 Nc3-+) 17.Rc2 Qe7 18.h3 Bf3 19.Qf3 d5 20.Bd5 Nd5 21.ed5 Qb4 22.Rc7 f6?? (better is 22...Rf8=) 23.d6?? (better is 23.Qg3 g6 24.Qh4 Bf2 25.Qf2+-) 23...Qd6-+ 24.Qb7 Qf8?? 25.Ba3+= Rdb8?? 26.Bf8 Rb7+/- 27.Rb7 Kf8 28.Rc1 a5 29.Rcc7 ½–½. Hughes,Peter – Reede,Arvo, RN–2007–0-00089, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bb5 Bd6 6.0-0 Qb6 7.Bc6 dc6 (worse 7...Qc6 8.d4=) 8.d4 (8.ab4!? Nf6 9.c3=) 8...ed4-/+ 9.Bb2 (9.e5!? Bc7 10.Nd4-/+) 9...c5-+ 10.Nbd2 Be6 11.ab4 Qb4 12.Ba3 (12.Qc1 Qb5-/+) 12...Qc3 13.e5 Be7 14.Ne4 Qc4 15.Nfg5 Nh6 16.Ne6 fe6 (16...Qe6?! 17.Bc5 Bc5 18.Nc5=) 17.Qh5 Nf7 18.Nd6 Bd6 19.ed6 b6 20.d7 Kf8 21.f4 g6 22.Qh4 Kg7 23.Rae1 Qd5 (23...Rhd8 24.Qe7 Qc2 25.Re6-+) 24.Qe7 Qd6 (better 24...Rhd8-+) 25.Re6=+ Qe7 26.Re7 Rhd8 27.f5 g5 28.Rfe1 Rab8 29.R1e6 (29.R1e5 Kf8 30.R5e6 Rb7 31.Re8 Kg7 32.Rd8 Nd8-/+) 29...Rb7-/+ 30.Bc1 h6?? (better 30...Rdd7 31.Bg5 Re7 32.f6 Kf8 33.fe7 Ke8-/+) 31.Rg6+- Kf8 (31...Kh8 32.Rf7 Rbd7 33.Rh6 Kg8 34.Rd7 Rd7 35.Bg5 c4+-) 32.Re8! Re8 33.Rg8!! Kg8 34.de8Q Kg7 35.Qc6 (35.Qc6 Re7 36.f6 Kf8 37.fe7 Ke7 38.Qc7 Kf6 39.Qa7+-) 1-0. Vilimek,Vit (1680) - Parizek,Vojtech (2205), Ceske Budejovice Open, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bb5 f5 6.d4 (6.ef5!? e4 7.Qe2+=) 6...fe4+= 7.Ne5 Nf6 8.0-0 Qc7 9.Bf4 Qa5 10.Bc6 dc6 11.Nd2 (11.f3 ef3 12.Nf3 Be7+=) 11...ba3 12.Bg5 Be7 (12...Bf5 13.Bf6 gf6 14.Ndc4=) 13.Ne4 (13.Bf6 Bf6 (13...gf6?? 14.Qh5 Kd8 15.Nc6 bc6 16.Qa5 Ke8 17.Ne4+-) 14.Ne4 0-0 15.Nf6 gf6=) 13...0-0 (13...Ne4!? 14.Be7 Ke7-/+) 14.Qd3= Qd8 15.Rfe1 a5 (15...Be6 16.Bf6 gf6 17.Nc4=) 16.Bf6 gf6 17.Qg3 Kh8 ½–½. Meissen,Frank (2530) – Markus,Roland (2405), RSX – 4–Jahreszeiten: Sommer, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bc4 Bc5 6.0-0 Qe7 7.ab4 Bb4 8.c3 Bc5 9.d4 Bb6 10.d5 Nd8? (better is 10...Na5!? 11.Be2 Nf6+/-) 11.d6+- Qf8 12.Ne5 Nf6 13.Be3 Be3 14.fe3 Ne6 15.Na3 Kd8 16.Nb5 a6 (16...Ng5+-) 17.Be6 de6 18.d7! Bd7 19.Rf6! (19.Rf6 Qe7 20.Rf7 (20.Qd7?! Qd7 21.Nd7 gf6+/-) 20...Qf7 21.Nf7 Ke7 22.Qd6 Kf7 23.Qd7 Kg6 24.Qe6 Kh5 25.Ra5+-) 1–0. Beier,Klaus – Bensch,Patrick (2245), Bayern–chB Lichtenfels, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bc4 Bc5 6.ab4 Bb4 7.c3 Be7 8.Qb3 Nh6 9.d4 0-0 10.Bh6 gh6 11.0-0 d6 12.Qa2 Bg4 13.Nbd2 Bf6 14.Rab1 Qc7 15.Bd5 Rab8 16.Rfc1 Rfc8 17.h3 Bf3 18.Nf3 a5 19.Qd2 Kg7 20.de5 de5 (worse is 20...Ne5 21.Nd4+/-) 21.g3 b5 22.Qe2 Qb6 23.Nh2 Nd8 24.Qh5 Bg5 25.Rf1? (better is 25.Rc2=) 25...Rc3-+ 26.Kh1 Qg6 27.Qe2 Qb6 28.h4 Bf6 29.Qh5 Kg8 30.Qh6 Bg7 31.Qg5 Ne6 32.Qg4 Nd4 33.h5 h6 34.f4 ef4 35.Qf4 Rf8 36.Bf7 Kh8-+ 37.Qg4 Qc7 38.Bd5 Rg3 39.Qh4 Rf1 40.Rf1 Rg5 41.Ng4? Qc8 42.Ne3 Qe8 43.Bf7 Qe5 44.Bg6 Ne2 45.Nf5 Ng3 46.Ng3-/+ Qg3 47.Qg3 Rg3 48.Rf5 Rg5 49.Rf7 Kg8 50.Ra7 a4 51.Bf7 Kf8 52.Bd5 Rh5 53.Kg2 Be5 54.Rf7 Ke8 55.Rb7 Rh2 56.Kf3 Rb2 57.Rb5 Rb5 58.Bc6 Ke7 ½–½. Takle,Dan (1725) – Brasoy,Aksel (1910), NOR–chT lag Tromsoe, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    5.Bc4 Bc5 6.ab4 Bb4 7.c3 Be7 8.Qb3 Nh6 9.d4 Na5 10.Ra5 Qa5 11.Bh6 gh6 12.Ne5 f6= 13.Bf7 Kd8 14.Nc4 Qc7 15.0-0 b5 16.Qb5+= Rb8 17.Qh5 Ba6 18.Nbd2+/- Rb5 19.Qh6 Rg5 20.f4 Rgg8 21.Bg8 Rg8+= 22.Rb1 Bc4= 23.Qh7 Qf4?? 24.Nc4+- (24.Nc4 Rf8 25.g3+-) 1–0. Charneira,Hermenegildo (2195) – Costa,Rui, POR–ch Lisbon, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.d4 Qc7 6.Bb2 (6.d5 Nd8=) 6...Nf6 (6...ed4 7.Bd3-/+) 7.Bb5 (7.d5 ba3 8.Na3 Bb4 9.c3 Ba3 10.Ra3 Nb8+=) 7...Nd4 (7...Ne4 8.0-0 ed4 9.Bc6 dc6 10.ab4-/+) 8.Nd4 ba3 9.Na3 Bb4 10.Kf1 ed4 11.Qd4 Bc5 12.Qc3 0-0 (12...Ne4 13.Re1 f5 14.f3+=) 13.h4 (13.Qf3-/+) 13...Bb6 (13...Qb6 14.Bd3-/+) 14.Nc4 (better is 14.Qc7!? Bc7 15.Bd3+=) 14...Qc5-/+ 15.Nb6 Qb5 (15...Qb6?! 16.Bd3+=) 16.Nc4 d5 17.ed5 Qd5 18.Kg1 Be6 19.Ne3 Qh5 20.g4 (20.Qa5 Qa5 21.Ra5 b6-+) 20...Bg4-+ 21.Ra5 b5 22.Rb5? Qb5 23.Ng4 Qf5 24.Rh3?? Rac8 25.Nf6?? Kh8= 26.Qd3 Qd3 27.cd3 Rc2 28.Nd7 Rd8 29.Ne5 Re8 30.Bd4+= f6 31.Ng4 a5= 32.Rg3 Rc6 33.h5 h6 34.Ne3= a4 35.Nf5+= Re1 36.Kh2 Rcc1 37.f3 Re2 38.Kh3 Rh1 39.Kg4 Kg8?? 40.Kf4+- Rh5 41.Rg7 Kf8 42.Ra7 Rh1 43.Bf6 Re6 44.Bc3 Rb6 45.Ra4 Kf7 46.Ra7 Kg8 47.Rg7 Kf8 48.Be5 Rf1 49.d4 Rb3 50.Nh4 Rh1 51.Ng6 Ke8 52.Bf6 Re1 53.Ne5 (53.Ne5 Re5 54.de5 Rb4 55.Kf5+-) 1–0. Beier,Klaus – Erlbeck,Peter, Bayern–ch Wuerzburg, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.d4 ed4 6.Bc4 Nf6 7.e5 d5 8.Bb5 Ne4 9.Nd4 Bd7 10.Be3 (10.Bc6!? bc6 11.0-0-/+) 10...Ne5-+ 11.Qh5 (11.0-0 Bd6 12.f3-+) 11...Bd6 12.Ne6 (12.f3 Nf6 13.Bd7 Qd7 14.Qh4-+) 12...Qf6 (12...Bb5?! 13.Nd8 Rd8 14.ab4= (14.Ba7 b3 15.Nd2 bc2 16.Ne4 de4-+)) 13.Bd7 (13.Nd4 0-0-0 14.Bd7 Rd7-+ (14...Nd7 15.ab4 Bb4 16.c3-/+; 14...Kd7?! 15.ab4 Bb4 16.c3-+)) 13...Nd7 14.Nd4 Be5 15.Qd1 Qa6 (better 15...Nb6!? 16.Ra2 Nc4 17.Nf3 Bc3 18.Kf1-+) 16.f3 Nd6 17.Nd2 (17.Qe2 Qa4 18.Bf4-+) 17...ba3 18.Kf2 0-0 19.Qc1 (19.Qf1 Bd4 20.Bd4 Nb5-+) 19...Bd4 20.Bd4 Nb5 21.Nb3 Rac8 22.Rd1 (22.Re1 Rfe8 23.c3 f6-+) 22...Rfe8 23.Kg1 Qg6 24.Rd2 Ne5 25.Be5 Re5 0–1. Bach,Mat (2305) – Kollars,Dmitrij (2565), Aarhus Chess House GM, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.a3 e5)

    5.d4 ed4 6.Nd4 Qh4 7.Qd3 -/+.

    5.d4 Nd4 6.Nd4 ed4 7.Qd4 Qf6 8.e5 Qe7 9.Bc4 d6 10.f4 de5 11.fe5 Qc5 12.Qe4 Bf5?? (12...Ne7!?+=) 13.Bf7 Kf7 14.Qf5 Nf6 15.Qf4 (better is 15.ab4!? Qb4 16.Nd2 Qh4 17.g3+=) 15...Re8-/+ 16.Bb2 Bd6 17.Nd2 Be5 18.Be5 Re5 19.Kd1 Rc8 20.Ra2 ba3 21.Qf3 Rd5 22.c4 Qc4 23.Qa3 Qg4 24.Qf3 Qf3 25.gf3 a5 26.Ke2 Re8 27.Kf2 Red8 28.Nc4 a4! 29.Ra4 b5 30.Ra7 Kg8 31.Ne3 Rd2 32.Kg3 Rb2 33.Rc1 Ne8 ½–½. Millgramm,Stephan (1835) – Hoeger,Bastian (1835), Schleswig Holstein–ch cand, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 e5 4.Nf3 cb4)

    5.Bb2 Qc7

    6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nf6 9.Ra4 0-0 10.Bb5 d6 11.h3 Bd7 12.Bb2? (12.d3 d5-/+) 12...a6 (12...Qb6 13.Qe2-+) 13.Qa1 (13.Bd3 b5 14.Ra3 Nb4-+) 13...Qb6 14.Bd3 Nb4 15.Ra3 Bb5 16.Qb1 Rac8 17.0-0 Nd3 18.cd3 Nh5 19.g3? (better is 19.Rb3-/+) 19...Ng3-+ 20.Re1 Bd7 (better is 20...Nh5!? 21.d4 Nf4 22.Ree3 Nh3 23.Kh2-+) 21.d4 Nh5 22.de5 Nf4 23.Nd4? de5 24.Rb3 Nh3 25.Kg2 Nf4 26.Kg1 Qf6 27.Nf5 Bf5 28.ef5 Qc6 29.Rg3 f6 30.d4 Qc2 31.Qa2 Qc4 32.Qa3 e4! 33.Qe3 Nd3 34.Qh6 Qf7 35.Re4 Kh8 36.Qd2 Nb2 37.Qb2 Rce8 38.Re6 Re6 39.fe6 Qe6 40.Qb7 g6 41.d5 Qd6 42.Re3 Rb8 43.Qf7 Qf4 44.Re8 Re8 45.Qe8 Kg7 46.Qe7 Kg8 47.Qe8= Kg7 48.Qe7 Kg8 49.Qe6 Kf8-/+ 50.d6 f5 51.Qe7= Kg8 52.Qe8 Kg7 53.Qe7 Kg8 54.Kf1 Qd2 55.Qe8 Kg7 56.Qe7 Kg8 57.Kg2 Qd4 58.Qe8 Kg7 59.Qe7 Kg8 60.Qd8 Kf7 61.Qc7 Kf8 62.Qe7 Kg8 63.Qe8 Kg7 64.Qe7 ½–½. Arganian,DG – Wasserman,Joseph, East Lansing–ch MI M/X, 1981. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.Bb5 ba3 7.Na3 Qb6 8.Rb1 Qa5 (8...Nf6!?=+) 9.Bc6= dc6 10.Nc4 e5 becomes the focus of attention 10...Qa6 (10...Qd8 11.Nce5 f6 12.Nd3=) 11.Nfe5+= Be6? (better 11...c5 12.Ra1 Qe6+=) 12.Ra1+- Qb5 13.Ra5 Qb4 (13...Bc4 14.Rb5 cb5 15.Nc4 bc4 16.Qh5+-) 14.Ba3 Qa5 15.Na5 Ba3 16.f4 (16.Qa1 Bf8+-) 16...Bb4 (16...Nf6 17.Qa1 Bb4 18.Nb7 Ne4 19.Nf3+-) 17.Qa1 (17.Nb7!? Rb8 18.c3 Rb7+-) 17...f6 (17...Nf6 18.Nb7 Ne4 19.c3+-) 18.f5 Bc8 (18...Ba5 19.Qa5 (19.fe6?! Bd2 20.Kd2 fe5+-) 19...Bf7 20.Nf7 Kf7 21.Qc3+-) 19.Nd3 (19.Nec4 Nh6+-) 19...Be7 (19...Ba5 20.Qa5 Ne7 21.Nb2+-) 20.Qc3 (20.Nc4 a6+-) 20...Rb8 (20...Bd7 21.Nf4 (21.Nb7?! Rb8+=) 21...Nh6 22.Ne6 (22.Nb7?! Rb8=) 22...Be6 23.fe6+-) 21.0-0 Nh6 (21...Bd8 22.Nc5 Bc7 23.Ncb7+-) 22.Qb3 (22.Rb1 Bd6 23.Qd4 Nf7+-) 22...c5 (22...Bd6 23.Nc4 Bc7 24.Qa3+-) 23.Nf4 b6 (23...Bd6 24.Ne6 Ng4 25.h3+-) 24.Nd5 Bd6 (24...Bd7 25.Nc7 Kf8 26.Qd3+-) 25.Nc4 Nf7 (25...Be5 26.Ne5 fe5+-) 26.Nd6 Nd6 27.Qg3 (27.Qg3 Kf7 28.Qd6+-) 1–0. Kuznetsov,Roman (2000) – Ageeva,Vasilisa (1645), Chigorin Memorial (4), 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.Bb5 Bd6 7.0-0 Nge7 8.ab4 Nb4 (8...Bb4 9.c3 Bd6 10.d4=) 9.Na3 a6 (9...f6 10.Nc4=) 10.Nc4+= The pressure on e5 grows 10...ab5?? (better 10...Nec6+=) 11.Nd6+- Qd6 12.Ra8 0-0? (12...Nbc6+-) 13.Ba3 (13.Ne5?! Nec6 14.d4 Na6+-; 13.Be5?! Qg6+-) 1–0. bulent_2010 – arvek, ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.Be2 Nf6 7.ab4 Bb4 8.Ra4 Be7 9.Nc3 Qb6 10.Qa1 d6 11.0-0 Be6 12.Rb1 Qd8 13.Nd1 Bd7 14.Ne3 Nd4 (better is 14...0-0+=) 15.Nd4+= Ba4? (15...ed4 16.Bd4 Ba4 17.Qa4 Kf8 18.Bf6 Bf6 19.Rb7 Qe8+/-) 16.Qa4+- Nd7 17.Ndf5 0-0 18.Nd5 Bg5 19.Nd6?? (better is 19.d4+-) 19...Nc5+= 20.Qa1 Qd6 21.Be5 Qg6 22.f4 Bd8 23.f5 Qg5 24.Bf4 Qh4 25.g3 Qh3 26.Ne3 Bf6? 27.d3?? Ba1-+ 28.Ra1 Ne6! 29.Bg4 Nf4 30.Bh3 Nh3 31.Kg2 Ng5 32.h4 Ne4! 33.de4 Rfc8 34.Kf3 b5 35.Ra6 f6 36.g4 b4 37.g5 Kf7 38.gf6 gf6 39.Nd5 Rc2 40.Nb4 Rb2 41.Nd5= Kg7 42.Kg4 Rb1 43.Kh5 Rb3 44.Nc7 Rab8 45.Ra7 R3b7 46.Ne8! Kf8 47.Rb7 Rb7 48.Nf6 Kg7 49.e5 Rb5 50.Ng4 Ra5 51.Kg5 h6 52.Kh5 Rb5 53.Nh6 Re5 54.Kg5 Rc5 55.h5 Kh7 56.Ng4 Rb5 57.Nf6 ½–½. Zelinsky,A (2090) – Buksa,N (1975), 6th Volodymyr Bilinsky Memorial, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.Be2 Nf6-/+ 7.d3 b6 8.0-0 Bb7 9.c4 Be7 10.ab4 Bb4 11.Na3 a6 12.Nc2 Bc5 13.Qd2 0-0 14.Nh4 b5 15.cb5 ab5 16.Nf5 d5 17.Ng7 de4?? 18.Qg5+- Kh8 19.Qf6 Be7 20.Ne8 Bf6 21.Nc7 Rac8 22.Nb5 Na5 23.Ne3 Nb3 24.Ra7 Bc6 25.Nd6 Bg7 26.Nc8 Rc8 27.Nf5 Rg8 28.Ng7 ed3 29.Bd3 Nd4 30.Rf7 Bd5 31.Rd7 Nf3 32.gf3 Rg7 33.Rg7 Kg7 34.Be5 Kf7 35.Bf5 Bf3 36.Rc1 h5 37.Rc7 Ke8 38.Bf6 h4 39.Bg6 Kf8 40.Rc8# 1–0. algernon (2325) – yknets (2235), net–chess.com, 2007.

    5.Bb2 d6

    6.ab4 Qb6 A) 7.Nc3 Qb4 (7...Nf6 8.b5 Nd4 9.Nd4 Qd4 10.Ra4 Qb6 11.Bc4 Be7 12.0-0 0-0+=; 7...Nb4 8.Bb5 Nc6 9.Nd5 Qd8 10.d4 Bd7 11.0-0 f6 12.c4 Nge7+=) 8.Ba3 Qb6 9.Bc4 Be7 10.Nd5 Qd8 11.Qe2 f5 12.0-0 Nf6=; B) 7.c3 Nf6 (7...f5 8.ef5 Bf5 9.b5 Nf6 10.Na3 Na5 11.Be2 Be7 12.Qa4 0-0=; 7...Bg4 8.Bc4 Nf6 9.d3 Be7 10.h3 Bh5 11.0-0 0-0 12.Bc1 Qd8+=; 7...Be7 8.Na3 f5 9.ef5 Bf5 10.Nc4 Qd8 11.b5 Nb8 12.Ne3 Bg6+=) 8.Bd3 Be7 9.b5 Bg4 10.Ba3 Nd8 11.0-0 Ne6 12.Be2 Nf4+=; C) 7.b5 Nf6 8.Nc3 Nd4 9.Nd4 Qd4 10.Bd3 Qb4 11.Na4 d5 12.ed5 Nd5+/-.

    6.ab4 Nf6 7.b5 Qb6 8.Nc3 Nd4 9.Nd4 Qd4 10.Ra4 Qb6 11.Bc4 Be7 12.0-0 0-0+=.

    6.ab4 Nf6 7.b5+= Nb8 8.Nc3 Be7 9.Be2 0-0 10.0-0 Bg4 11.d4 Nbd7 12.Qd3 (12.Nd2 Be2 13.Ne2 a6+=) 12...Qb6 13.Rfd1 Rfc8 14.Nd5 Nd5 15.ed5 g6 (15...e4 16.Qe4 Nf6 17.Qd3 (worse 17.Qe7 Re8 18.Qe8 Re8-/+) 17...Nd5 18.Ng5 Bg5 19.Bg4+=) 16.Ne5 (16.de5 de5 17.Ne5 Ne5 18.Be5 Bf5+=) 16...Ne5 (better 16...Be2!? 17.Qe2 de5 18.de5 Re8=+) 17.de5+- Bf5 18.Qg3 Rc2 19.Bd4 Qd8 20.Bf1 (20.Bd3!? Bd3 21.Qd3+-) 20...Bh4+= 21.Qb3 (21.Qf4 Bg5 22.Qf3 de5 23.Be5 Qd7+=) 21...de5= 22.Be5 (better 22.Bd3!? Rac8 A) 23.Bc2? Bc2 24.Qe3 ed4 (24...Bd1 25.Qe5 Bf6 26.Qf6 Qf6 27.Bf6+-) 25.Rd4 Bf6-+; B) 23.Bf5 gf5 24.Be5 Bf2 25.Kh1=) 22...Bf2=+ 23.Kh1 Rac8 24.Bd3 (24.Qa4!?-/+) 24...Bd3 25.Qd3 Qg5 26.d6 (26.Bg3 R2c3 27.Qd2 Qd2 28.Rd2 Rc1 29.Rd1 Rd1 30.Rd1 Bg3 31.hg3 Rd8-/+) 26...Bd4-+ (26...Qe5?! 27.d7 Bb6 28.Re1=) 27.Bg3 Ba1 28.d7 Bf6 29.Qf3?? (better 29.dc8R Rc8 30.Qf1-+) 29...R8c3 (better 29...Rd8 30.h4 Qf5 31.Qf5 gf5-+) 30.h4 (30.Qf6 Qf6 31.d8Q Qd8 32.Rd8 Kg7 33.Rd1-+) 30...Qg3 (30...Rf3 31.hg5 Bg5 32.d8Q Bd8 33.Rd8 Kg7 34.gf3=) 31.Qf6 (31.Qg3 Rg3 32.d8Q Bd8 33.Rd8 Kg7 34.b6-+) 31…Qg2 0–1. Go,Benjamin (2140) – Calzetta Ruiz,Monica (2230), 51. Groningen Open A, 2013. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.Bc4 Bg4 7.0-0 Nf6 8.ab4 Nb4 9.c3 Nc6 10.Qb3 Qc7 11.Ng5 Nd8 12.Na3 Rc8 13.d4 h6 14.Nf3 Bf3 15.gf3 a6 16.Bd3 Ne6 17.Rad1 Nh5 18.Nc4 b5 19.Ne3 Nef4 20.de5 de5 21.Bb5 ab5 22.Qb5 Qc6 23.Qe5 Be7 24.Ba3 Ng6 25.Qh5 Ba3 26.Nd5 0-0 27.f4 Ne7 28.Rd3 Nd5 29.ed5 Qf6 30.Qe5 Bd6 (better is 30...Qh4!?-+) 31.Qf6-/+ gf6 32.f5 Rc4 33.Rb1 Rd8 34.Rb6 Be5 35.d6? (better is 35.Rb5-+) 35...Rc3 (35...Bc3?! 36.Rb7 Be5 37.d7-+) 36.Rd1 Rc4 37.d7 Rd4 38.Rd4 Bd4 39.Rd6 Be5 40.Rd3 Kf8 41.Kg2 Ke7 42.Rh3 Rh8 43.Kf3 Kd7 44.Kg4 h5! 45.Kh4 Kc6 46.Ra3 Kd5 47.h3 Ke4 48.Rf3 Bd4 49.Rg3 Kf5 50.Rg2 Kf4 51.f3 f5 (51...f5 52.Rg8 Bf6 53.Rg5 Bg5) 0–1. Pundt,Wilfried (1935) – Rosen,Willy (2300), GER–chT Seniors, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    6.d4 Bg4 7.ab4 (7.d5 ba3 8.Na3 Nb8 9.Bb5 Bd7 10.0-0 Nf6 11.Qd3 Be7 12.Bc1 0-0=) 7...Nf6 (worse is 7...Nb4 8.Bb5 Ke7 9.Be2 (9.0-0= Qb6 10.Na3 Nc6 11.d5 a6 12.Bc6 bc6=) 9...Nf6 10.Ba3 Bf3 11.Bf3 Nc6 12.c3 b5=; 7...d5 8.b5 Nd4 9.Bd4 de4 10.Be5 Qd1 11.Kd1 ef3 12.Kc1 f6+=; 7...Qb6 8.b5 Bf3 9.Qf3 Nd4 10.Bd4 Qd4 11.c3 Qc5 12.Nd2 Nf6=) 8.b5 (8.d5 Nb4 9.c3 Bf3 10.gf3 Na6 11.Ba6 ba6 12.Bc1 Rb8=) 8...Nd4 9.Bd4 ed4 10.Qd4 Be7 (10...d5 11.b6 a6 12.e5 Ne4+=) 11.Nbd2 (11.Ra7 Ra7 12.Qa7 Qc8+=) 11...b6 (11...Qc8 12.Bc4 0-0+=) 12.Bd3 (12.Bc4 Qc7+=) 12...0-0 13.0-0 Qc7 14.Rae1 Rad8 15.e5 de5 16.Qe5 Bd6 17.Qg5 Bf4 18.Qh4 h5 19.Ne4 Ne4 20.Re4 (worse is 20.Be4 Qc5 21.h3 g5 22.Ng5 Bg5+=) 20...f6 21.Rc4 Qb8 22.Bg6 Rd5 23.h3 Bf3 (better is 23...Bg5!? 24.Ng5 fg5=) 24.Rf4+/- (worse is 24.gf3 Rg5 25.Kh1 Bd6 26.Bh5 g6+= (26...Rb5 27.Bg6 Rf7 28.Qh7 Kf8 29.Rc8 Qc8 30.Qh8 Ke7 31.Qc8+-); 24.Qf4?! Qf4 25.Rf4 Bg2 26.Kg2 Rg5 27.Kf3 Rg6+=) 24...Bg2 (better is 24...Be2 25.c4 Rg5+/-) 25.Rf5?? (better is 25.Kg2 Rb5 26.Re1+-) 25...Rf5= 26.Bf5 Bf3 27.Be6 Kh8 28.Bg4 Bg4 29.hg4 Qe5 30.gh5 Qb5 31.f4? Qc5 32.Rf2 Rd8 33.Kh2 Rd5 34.Qg4?? Qf2 (34...Qf2 35.Kh3 Qc2-+) 0–1. Zajarnyi,A (2335) – Chulivska,V (2215), II Royal Residence Cup, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Nb4

    7.Bb5 Bd7 8.Bd7 Qd7 9.0-0 Nf6 10.Re1 Qc7 11.Na3 Be7 12.d4 d5=.

    7.Bc3 Nc6 (7...Qb6 8.d4 Bg4 9.de5 de5 10.Be5 Nc6 11.Bg3 Nf6 12.Bd3 Nh5+=) 8.d4 f5 9.d5 fe4 10.dc6 ef3 11.Bb5 Ke7 12.Qf3 Qb6+=.

    7.Nc3 Bd7 (7...Nf6 8.Bb5 Bd7 9.Bd7 Qd7 10.0-0 Be7 11.d4 0-0 12.de5 de5+=; 7...Nc6 8.d4 Bg4 9.d5 Nd4 10.Be2 Ne2 11.Qe2 Nf6 12.h3 Bh5+=; 7...f5 8.Bb5 Nc6 9.d4 fe4 10.d5 Bd7 11.dc6 bc6 12.Ne5 cb5=) 8.Ba3 Nc6 9.Rb1 Bc8 10.Bc4 Be7 11.0-0 Nf6 12.Re1 0-0+=.

    7.d4 Qc7 8.Bb5 Bd7 9.Bd7 Qd7 10.de5 Qc6 (10...de5 11.Ne5 Qd1 12.Kd1 Nf6=) 11.0-0 (better 11.Nc3!?+=) 11...Qc2=+ (11...Nc2 12.ed6 f6 13.d7 Kd8 14.Ra5+/-; worse 11...Qe4 12.ed6 Kd8 13.Bd4+/-) 12.Qd4 Qc5 (better 12...Nc6!? 13.Qc3 Qc3 (13...Qe4 14.ed6 Qd5 15.Re1 Kd8 16.Ne5+-) 14.Nc3 de5=) 13.Qd2 (better 13.ed6 Qd4 14.Nd4+=) 13...Rd8? (13...de5 14.Rd1 Qe7 15.Ba3=) 14.Rd1 (14.Rc1 Qb6 15.Bd4 Qb5+-) 14...Be7 (14...Nc6!? 15.Ba3 de5 16.Qd8 Nd8 17.Bc5 Bc5 18.Ne5 Ne6+/-) 15.e6 f6? (15...Bf6 16.Rc1 Qb6 17.Ng5+/-) 16.Nc3 (16.Rc1!? Qb5 17.Na3 Qa6+-) 16...Nh6 (16...a5 17.Nd4+/-) 17.Rac1 (17.Ba3 a5 18.Nd5 Qc4 19.Bb4 ab4+-) 17...Qb6 (17...Qh5 18.Nd5 Nd5 19.ed5+-) 18.Ba3 a5 19.Bb4 Qb4 20.Rb1 Qc5 (better 20...Qc4 21.Nd5 Qe4 22.Rb7 Ng8+-) 21.Nd5 Qc8 (21...Qc4 22.Nd4 f5+-) 22.Rdc1 Qe6 1-0. Williams,Si1 (2460) - Toncheva,Nadya (2280), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    7.d4 ed4 8.Bd4 Nc6 9.Nc3 Be6 10.Nd5 Bd5 11.ed5 Nd4 12.Qd4 Qb8+=.

    7.d4 f5 8.de5 fe4 9.Nd4 Qg5 10.Nb5 Bg4 11.Nd6 Bd6 12.Bb5 Kf7=.

    7.d4 Nf6 8.Bb5 Bd7 9.Bd7 Qd7 10.Bc3 Nc6 11.d5 Ne7 12.Nfd2 Ng6+=.

    7.d4 Nf6 8.Nbd2=.

    5.ab4 Bb4

    6.Ba3 Ba3 7.Ra3 Nf6 8.Nc3 -/+.

    6.Ba3 d6 7.Bb4+= Nb4 8.Nc3 (8.d4 Nf6+=) 8...Nf6 9.Qb1 (9.Bb5 Bd7+=) 9...a5 (9...Nc6 10.Bc4-/+) 10.Bc4 (10.Bb5 Nc6-/+) 10...0-0 11.0-0 Qc7 12.Qb3 (12.d3 Bd7-/+) 12...Bg4 (12...Nc2 13.Bf7 Qf7 14.Qc2-/+) 13.Ng5 h6 (13...Qe7 14.f4-/+) 14.Nf7 Rf7 (14...d5 15.ed5 Rfc8 16.d3 Qf7 17.d6 Rc4 18.dc4-/+) 15.Nb5 Qd7 16.Nd6 Qd6 17.Bf7 Kh8 18.c3 Nc6 19.f3 (19.Bd5 Nd5 20.ed5 Nd8+=) 19...Bh5 (19...Bd7!?-/+) 20.Bh5= (20.Qb7? Rb8 21.Qa6 Bf7-+) 20...Nh5 21.Qb7 Rb8 22.Qa6 (22.Qf7 Nf4 23.g3 Qc5 24.Kh1 Rf8=) 22...Qc5 (22...Nf4!? 23.Ra2 Nd3+=) 23.Kh1= Nf4 24.g3 Ne6 25.Rab1 Rb1 26.Rb1 Kh7 27.Qc8 (27.Kg2 Qd6 28.d3 Qc5=) 27...Qc4 28.Kg2 (better is 28.Qd7!? Ned8 29.Qd5=) 28...Qe2-/+ 29.Kg1 Ncd8 30.Rb6?? (better is 30.Rf1!? Qd2 31.Rf2-/+) 30...Qe1 (better is 30...Ng5!? 31.Qf5 Kg8 32.Rd6 Nf3 33.Qf3 Qf3 34.Rd8 Kf7 35.Rd7 Kf6 36.d3-+) 31.Kg2 Qe2 32.Kg1 Qe1 (better is 32...Ng5 33.Qf5 Kg8-+) 33.Kg2= Qe2 ½–½. Ball,E – Moore,R, USA–ch amat North, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4)

    6.c3 Bd6 7.Bc4 Nf6 8.Qb3 0-0 9.Ng5 Qe7 10.f3 (10.d3 b6-/+) 10...b6 11.0-0 (11.Qb2 Bc5-+) 11...Na5 12.Qa4 Nc4 13.Qc4 a6 (13...h6 14.Nh3-+) 14.Na3 (14.d4 b5 15.Qd3 h6-/+) 14...a5 (14...b5 15.Qe2 Bc5 16.Kh1-+) 15.Qe2? (better is 15.Nb5!?-/+) 15...Bc5 16.Kh1 Ba6 (16...Nh5!? 17.d4 Ba3 18.Ba3 Qg5 19.Bf8-+) 17.d3 d5 18.Nc2 (18.ed5 Nd5 19.Ne4 Rfd8-+) 18...d4 (18...Rfd8 19.ed5 Nd5 20.c4-+) 19.cd4 Bd4 (19...ed4!? 20.Qd2 h6-/+) 20.Nd4-/+ ed4 (better is 20...Qd7 21.Ba3 Qd4+=) 21.Ba3+= Qd7 22.Bf8 Rf8 23.e5 Nd5? (better is 23...Re8!? 24.f4 Qf5+=) 24.Qe4+- f5 25.ef6 Nf6 ½–½. Nagy,Peter2 – Somogyi,Theodora, FSFMB May, 2012. (=1.Nf3 c5 2.b4 cb4 3.a3 Nc6 4.e4 e5 5.ab4 Bb4)

    6.c3 Be7 7.Bc4 Nf6 8.Qe2 0-0 9.0-0 d6 10.h3 h6 11.d4 Qc7 12.Ba3 Na5 13.Ba2 b6 14.Bb4 Nc6 15.Ba3 a5 16.Rc1 Ba6 17.Qe1 Rac8 18.Nbd2 Rfd8 19.Rab1 Qb7 (19...b5 20.Qe3-/+) 20.Rb2 (20.Bc4 Ra8=+) 20...b5-/+ 21.Rbb1 Qa7 22.d5 Nb8 23.Qe3 (23.Ra1!?-/+) 23...Qe3-+ 24.fe3 Rd7 25.g4 (25.Bb3 Rdc7 26.Bb2 a4-+) 25...Bd8 (25...Rdc7 26.Bb2-+) 26.Bb3 Bb6 27.Kf2 Rdc7?? (27...Bc5 28.Bc5 Rc5 29.Ra1-+) 28.Bb2?? (better 28.Bd6 Rc3 29.Rc3 Rc3 30.Bb8 Be3 31.Kg2+=) 28...Nbd7-+ 29.Bc2 (29.g5 hg5 30.Ng5 Kf8-+) 29...Nc5 Black plans a4 (better 29...b4!? 30.Ba1-+) 30.Ra1 a4 31.Ba3 Ba5 32.Nb1?? (32.Bc5 Rc5 33.c4-+) 32...Nce4 (worse 32...Nfe4 33.Kg2 Nc3 34.Bf5-+) 33.Be4 Ne4 (33...Ne4 34.Kg2 Bc3 35.Nc3 Rc3 36.Rc3 Rc3-+) 0-1. Mukhina,Jana (2065) - Kairbekova,Amina (2065), Djerba Women Online, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.Bc4 Nf6 7.0-0 0-0 8.c3 Be7 9.d4 d6 10.Re1 Bg4 11.Nbd2 ed4 12.cd4 Nd4! 13.Bb2 (13.Nd4 Bd1) 13...Nf3 14.Nf3 Bf3 15.Qf3 Nd7 16.Rad1 Qb8 (better is 16...Bf6 17.e5 de5+=) 17.Bg7+= Kg7 18.Qg4 Kh8 19.Qd7 Qd8 20.Qb7 a5 21.e5 Rb8 22.Qa6 Rb4 23.Re4?? (better is 23.ed6!? Bh4 24.d7+-) 23...Qc8 24.ed6?? (24.Qa7 Bg5 25.Qd4 f5 26.ef6 Bf6 27.Qd6 Qd8+=) 24...Bf6?? (better is 24...Qa6 25.de7 Re8 26.Ba6 Re4-+) 25.Bd3?? Qc5 26.Rb4 Qb4 27.Qb5 Qh4? 28.Qf5 Qh6 29.Qa5 Rd8 30.Bc4 Qg7 31.Rd5 Qf8 32.Qd2 h6 33.Qf4 Bg5 34.Qf5 Qg8 35.g3 Qg7 36.Re5 1–0. Skrjabin,Igor (2080) – Alexeev,Alexandr Mikh (2115), St Petersburg–ch qual, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 e5 4.Nf3 cb4 5.ab4 Bb4)

    6.Bc4 Nf6 7.c3 Be7 8.Qe2 0-0 9.0-0 d6 10.h3 a6 11.d4 Qc7 12.Bd2 h6 13.Na3 Re8 14.Bd3 Bf8 15.d5 Ne7 16.c4 Nd7 17.Nb5 Qb8 18.Nc3 Nc5 19.Bc2 Bd7 20.Ne1 Qc7 21.Nd3 Ng6 22.Nc5 dc5 23.Ra2 Bd6 24.Rb1 Reb8 25.Qf1 Be7 26.Bd3 (26.Ba4 Rd8=+) 26...Qd6=+ 27.Ne2 Bg5 28.Bg5 hg5 29.Qc1 Qf6 (29...g4 30.hg4 Bg4 31.Qg5 Be2 32.Be2=+) 30.Qe3 b6 31.f3 Ne7 32.Kh2 Nc8 33.Nc3 Nd6 34.Rab2 Qd8 35.g4 (35.Qf2 f6=+) 35...f6 36.Kg3 Qc7 37.Kg2 Ra7 38.Qf2 Rab7 39.h4 (39.Ra2 a5-/+) 39...b5 (39...gh4 40.Qh4 b5 41.Rh1-+) 40.hg5 fg5 41.Qe3 b4 42.Ne2 Nf7 (42...a5 43.Qg5 Nf7 44.Qh5-/+) 43.Rh1 (43.Ra2!?-/+) 43...a5-+ 44.Qg1 a4 Black intends b3 45.Rh5 (45.Qh2 Rb6-+) 45...b3 46.Qh2?? (46.Qa1-+) 46...a3 47.Rb1 Rb6 (better 47...a2 48.Ra1 Qa5 49.Qg1-+) 48.Rh1?! (48.Nc3-+) 48...a2 49.Nc3 Ra6 50.d6 (50.Rh8 Nh8 51.Qh8 Kf7 52.Qh5 Rg6 53.Rf1-+) 50...Qd6 51.Nd5 (51.Rh8 Nh8 52.Qh8 Kf7 53.Qh5 Qg6 54.Qg6 Kg6-+) 51...a1Q (better 51...b2 52.Ne7 Qe7 53.Rh8 Nh8 54.Qh8 Kf7 55.Qb8-+) 52.Rh8 Nh8 (52...Nh8 53.Qh8 Kf7 54.Qh5 Qg6 55.Ra1 Ra1 56.Qg6 Kg6-+) 0–1. Demirci,Fatih (1745) – Sakir,Ridvan (2225), TCh–TUR 1st League, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4)

    6.c3 Ba5

    7.Qa4 Bb6 8.d4 ed4 9.cd4 Qe7 10.Be2 (10.Nbd2 d5 11.Bb5 A) worse 11...de4 12.Bc6 bc6 13.Qc6 Kd8 A1) 14.Qa8 ef3 15.Kd1 Qe2 16.Kc2 fg2-/+ (16...Qf2 17.Qf3 Bf5 18.Kb3 Be6 19.Nc4 Bc4 20.Kc4 Qc2 21.Kb5+-); A2) 14.Qd5 Ke8 15.Ne4+- (15.Qe4?! Bb7 16.Qe2 Nf6=); B) 11...Bd7=) 10...Qb4 (better 10...Qe4!? 11.Nc3 Qg6-/+) 11.Qb4 Nb4 12.Ra4 Nc2 (better 12...d5!? 13.Nc3 a5=) 13.Kd2 (13.Kd1 d5 14.Bb5 Bd7 15.Bd7 Kd7 16.ed5 Rc8 17.Ne5 Ke8+-) 13...Nd4 (13...Nb4!? 14.Rb4 Ba5+-) 14.Nd4+- (14.Rd4?! Bd4 15.Nd4 a6+-) 14...Nf6 15.Nb5 (15.Nc3 d6+-) 15...0-0 (15...d5!? 16.Nd6 Kf8 17.e5+-) 16.Nd6 (16.e5 Nd5+-) 16...Ne8 17.Ba3 Nd6 18.Bd6 Re8 19.e5 Bf2 (19...a5 20.f4+-) 20.Rf4 Bb6 21.Bc4 Kh8 (21...Re6 22.Rhf1 f6 23.Be6 de6 24.ef6 gf6 25.Rf6+-) 22.Bf7 Bd8 (22...Rd8+-) 23.Be8 Bg5 24.g3 (24.Rhf1 b5 25.h4 Bh6+-) 24...Bf4 25.gf4 g6 (25...b5 26.Rc1 Bb7 27.Bd7 a6+-) 26.f5! gf5 27.Rg1 h6 28.e6! de6 (28...de6 29.Be5 Mate attack) 29.Be5 (29.Be5 Kh7 30.Rg7 Kh8 31.Bg6 b5 32.Rd7 Kg8 33.Rd8) 1–0. juliangon (2730) – raymac (1885), ChessWorld.net, 2020. (=1.e4 c5 2.b4 e5 3.Nf3 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Ba5)

    7.Qa4 Bc7 8.Bb5 Nge7 9.d4 ed4 10.cd4 d5 11.ed5 Qd5 12.Nc3 Qe6 13.Be3 0-0 14.0-0 Qf5 15.Rac1 Be6 16.d5 (better is 16.Rfd1!?+=) 16...Nd5-+ (worse is 16...Bd5 17.Nd5 Nd5 18.Bc6 bc6 19.Rc6 Ne3 20.fe3-/+) 17.Bc6 bc6 (17...Ne3 18.Be4 Qf4 19.fe3 Qe3 20.Kh1+/-) 18.Qc6 Ne3 19.fe3 Rac8 20.Qb7? (better is 20.Qb5-+) 20...Bb6 21.Nd4 Qe5 (better is 21...Qd3 22.Nde2 Bg4-+) 22.Qe4 Qe4 23.Ne4 Rfd8 24.Rc8 Bc8 25.Rd1 Bg4 26.Rd2 Re8 27.Nf2 Bc8 28.Nd1 g6 29.Kf2 Kg7 30.Nc3 Bb7 31.g3 Rc8 32.Nce2 Be4 33.Ra2 Rc5 34.g4 Ra5 35.Rb2 Ra1 36.Ng3 Bd5 37.h4 Ra2 38.Ra2 Ba2 39.Ke2 Bc4 40.Kd2 0–1. Vogiatzis,Dimitrios (1985) – Fischer,Thomas (2020), Landesliga Nord, 2007. (=1.e4 c5 2.b4 cb4+= 3.Nf3 Nc6 4.a3 e5 5.ab4 Bb4)

    7.Bc4 Nge7 8.Qb3 0-0+= 9.Ba3 (9.d3 Bb6+=) 9...Bc7 10.Qa2 (10.Ng5 Qe8+=) 10...Na5 (10...d6 11.Ng5 Qe8 12.d3-/+) 11.Ne5+= Nc4 12.Nc4 d5 13.ed5 Re8 14.Be7 Qe7 15.Ne3 Qg5 (better is 15...Bf5+=) 16.Na3? (16.0-0 Qh5 17.f4 Re4+=) 16...Bg4?? (better is 16...Qg2! 17.0-0-0 Qf2-+) 17.h3 (17.Nb5 Bf4 18.Nd4 Bd7=) 17...Qh6 (17...Bd7 18.Qc4 Bd6 19.Qe2=) 18.Rf1 (18.Qb2 Bc8+=) 18...Bh5 (18...Bf5 19.Qb3=) 19.g4 (19.Qb3!?=) 19...Bg6+= 20.0-0-0 (better is 20.Qc4!? Bb6 21.Nb5+=) 20...Bd3 21.Rh1 Qa6 (21...Qh4 22.Nf5 Qf6 23.Qb2-+) 22.Nec2 (22.Rhe1 Rac8-+) 22...Bd6 (22...Qf6 23.Qb3-+) 23.Kb2 (23.Qb3 Be4 24.Rhg1 Qd3-+) 23...Re4 (23...Qb6 24.Qb3 Qf2 25.Nb5-+) 24.Nd4-/+ Rc8 25.Rhe1?? (better is 25.Nac2 Qb6 26.Qb3-/+) 25...Rd4-+ 26.cd4 Ba3 27.Qa3 Rc2 28.Kb3 Qc4 0–1. Junker,Rene (2115) – Goetz,Martin (1915), Regionalliga NO9798, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Ba5)

    7.Bc4 Nge7 8.Ng5 d5 9.ed5 Nd5 10.Qf3 (10.Qh5 g6 11.Qh6 Bf5+=) 10...Be6+= (worse is 10...Qg5 11.Bd5 e4 12.Qf7 Kd8 13.0-0+/-) 11.Ne6 fe6 12.Qh5 (12.0-0!?+=) 12...g6-/+ 13.Qg4 Qf6 14.Ba3 (14.0-0 0-0 15.Na3 Bb6-/+) 14...Qf5-+ 15.Qh4?? (15.Qf5 gf5 16.Bb2 a6-/+) 15...Bd8 (better is 15...Nf4 16.Kd1 Ng2-+) 16.Qg3 (16.Qh3 Qh3 17.gh3 Bb6-+) 16...Bb6 (16...Qe4 17.Be2 Nf4 18.Qf3 Ng2 19.Kf1 Qf3 20.Bf3-+) 17.0-0 0-0-0 18.Re1 (18.Kh1 Nf4-+) 18...e4 19.d3 ed3 20.Bd3 Bf2! 21.Qf2 Qd3 22.Re6 (better is 22.Nd2 e5 23.Bc5 Nc3 24.Nf3-+) 22...Rhe8 23.Qe1 Ne3 (23...Re6 24.Qe6 Rd7 25.Qe8 Nd8 26.Qe1-+) 24.Re8 Re8 25.Nd2? (25.Bc1 Re5 26.Be3 Re3-+ (26...Qe3?! 27.Qe3 Re3 28.Kf2-+)) 25...Re5 (better is 25...Qd8!? 26.Qf2 Ng4 27.Qf7 Qb6 28.Kh1 Nf2 29.Kg1 Nd1 30.Kf1-+) 26.Nf3 Re4 27.Nd2 (27.Qf2 Qc3 28.Bb2 Qd3-+) 27...Re8 (27...Rg4 28.g3 Qc3 29.Bd6-+) 28.Bc5 (28.Nf1!? Qf1 29.Qf1 Nf1 30.Rf1-/+) 28...Re5-+ 29.Be3 Re3 30.Qd1 Qc3 31.Nf3 Qd3 32.Qa4 Re4 33.Qa2 Qe3 (33...h5 34.Kh1-+) 34.Kh1 Re7 35.h3 Qe6 36.Qc2 Qf5 (36...Kb8 37.Qc5 Qd7 38.Kh2-+) 37.Qc4 Qf7 38.Qc2 (38.Qc5 Rc7-+) 38...Kb8 39.Rc1 (39.Qc5 Qf4-+) 39...a6 40.Qd3 Rd7 41.Qe4 Qd5 42.Qe3 Re7 43.Qf4 Ka7 44.Rf1 Re4 45.Qh2 (45.Qh6 Qd3 46.Rg1 Re7-+) 45...Qd3 46.Qg1 (46.Rc1 a5-+) 46...Qe3 47.Qh2 (47.Nd2 Qg1 48.Kg1 Re2-+) 47...Nd4 (better is 47...Ne5!? 48.Ng1-+) 48.Re1 (48.Nd4 Qd4 49.Qg3-+) 48...Qe1 (48...Qe1 49.Qg1 Qg1 50.Kg1 Nf3 51.gf3 Re8-+) 0–1. Puchko,Nikolay (1885) – Kalinin,Nikita (2145), Loo RUS, Tseshkovsky Mem, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 e5 4.Nf3 cb4 5.ab4 Bb4 6.c3 Ba5)

    7.Bc4 Nf6 8.Qb3 0-0 9.Ba3 (9.d3 Bb6+= (9...a6 10.0-0 Qc7 11.Bg5 Qd6 12.Qa3 Qa3; 9...d6 10.Be3 a6 11.Bg5 h6 12.Bf6 Qf6) 10.Ng5 Qe7 11.Qb6 ab6 12.Ra8 Qd8; 9.Ng5 Qe7 10.d3 d6 11.0-0 Bb6 12.Qb2 Na5) 9...d6-/+ 10.Ng5 Qe7 (10...Qd7 11.Bf7 Rf7 12.Bd6-/+ Bb6) 11.Bf7+= Rf7 12.Bd6 Qe8 (worse is 12...Qd6 13.Qf7 Kh8 14.Qa2+-; 12...Qd7+=) 13.f3 (13.Rf1 Bb6 14.d3 Nd8-/+) 13...Bd8 (13...Bb6 14.d3+=) 14.Na3 (14.Rf1 Be7 15.Be7 Qe7 16.Nf7 Qf7 17.Qf7 Kf7+=) 14...h6 (14...Nh5 15.Nf7 Qf7 16.Qf7 Kf7 17.Nb5+=) 15.Qf7 Qf7 16.Nf7 Kf7 17.Nb5 (17.Nc4 Ke6 18.Bc5 Nd7+=) 17...Ne8 (17...Bb6 18.Bc7 Bc5 19.f4 Ne4 20.fe5+=) 18.Bc5 (18.f4 Nd6 19.Nd6 Ke6 20.Nc8 Rc8 21.f5 Kd6+=) 18...a6-/+ 19.0-0 (19.Be3 Be6-/+) 19...Be6 (19...Na5 20.f4 ab5 21.fe5 Ke6 22.Rf8-+) 20.Na3 (20.Rfb1 b6 21.Be3 Na5-/+) 20...Bg5 (20...Na5 21.Be3-/+) 21.f4+= ef4 22.g3 Bh3 23.Rf2 f3 24.Rf3 Nf6 25.d4 (25.Nc4 Bg4 26.Rf2 Kg6+=) 25...Kg6 (25...Kg8 26.Re1 Bd2 27.Re2-+) 26.e5 (better is 26.Re1!?+=) 26...Ne4-+ 27.Bb6 Bg4 28.Rff1 Nd2 29.Kg2 Nf1 30.Rf1 Be6 31.Bc5 Bd5 32.Kh3 Na5 33.Bb6 Nc4 34.Nc4 Bc4 35.Rd1 Rf8 36.Kg2 Bd5 37.Kh3 Rf2 38.c4 Bg2 39.Kg4 h5 0–1. Nowacki,Marian – Drozd,Ryszard, Poland–ch21 Warsaw, 1964. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4)

    7.Bc4 Nf6 8.d3 0-0 9.Qb3 Bb6 (9...a6 10.0-0 d6 11.Bg5 h6 12.Bf6 Qf6; 9...d6 10.0-0 Bb6 11.Nbd2 Qc7 12.Qb2 Bg4) 10.Ng5 Qe7 11.Qb6 ab6 12.Ra8 Qd8.

    7.Bc4 Nf6 8.Qe2 0-0 9.0-0 Bb6 10.d3 h6 11.Be3 Be3 12.Qe3 (12.fe3 d6=+) 12...d5-/+ 13.Bb3 (13.ed5 Nd5 14.Bd5 Qd5-/+) 13...Re8 14.Na3 Be6 15.ed5 (15.Rfb1 b6-/+) 15...Nd5 16.Bd5 Bd5 17.Nd2 Qg5 18.Qg5 hg5 19.Ne4 Be4 20.de4 Red8 21.Rfd1 f6 22.Nc4 Rd1 23.Rd1 Rd8 24.Rd8 Nd8 25.Nd6 (25.Kf1 b5 26.Nd6 a6-/+) 25...Kf8 (25...a5 26.Kf1-+) 26.Kf1-/+ a6 27.Ke2 g6 28.Nc8 (28.Kd3 b6-/+) 28...Ke8 29.Nb6 Ne6 30.g3 (30.f3 Kf7-+) 30...Nc5 31.f3 Nd7 (31...g4 32.fg4 Ne4 33.c4-+) 32.Nd5 Kf7 33.Kd3 Ke6 34.Kc4 (34.g4 Kd6-/+) 34...Kd6 (34...f5 35.g4-+) 35.Kb4 (35.Ne3 Nb8-/+) 35...f5-+ 36.c4 Nc5 37.Nc3 (better 37.ef5 gf5 38.h4-+) 37...Nd3 38.Kb3 Ne1 39.f4 gf4 40.gf4 ef4 41.ef5 gf5 42.Nd1 f3 (42...Nf3!? 43.h3-+) 43.Kc3 a5 44.Kd2 (44.Nf2 Ng2-+) 44...Ng2 45.Nf2 Ke5 46.Kc3 Kf4 (better 46...a4-+) 47.Nd3 (47.Kd4-+) 47...Ke3 48.c5 Nf4 (better 48...Ne1 49.Ne1 f2 50.Nc2 Ke4-+) 49.Ne1 (49.Ne5 f2 50.Nc4 Ke2 51.Nd2-+) 49...f2 50.Nc2 Ke4 51.Nd4 f1Q 52.c6 (52.Nb3 Qh3 53.Kc2 Qh2 54.Nd2 Ke3 55.Kb2 Qd2 56.Kb3 Qb4 57.Kc2 a4 58.Kc1 Nd3 59.Kc2 Qb3) 52...Qd3 53.Kb2 Qd4 54.Ka3 (54.Kc2 Qc4 55.Kd2 Qe2 56.Kc3 Qa2 57.cb7 Nd5) 54...Qb4 55.Ka2 Nd3 56.cb7 Qb2 0-1. Joly,F (1975) - Gabrielian,A (2445), Cappelle Online Blitz, 2021. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    7.Bc4 Nf6 8.Ng5 0-0 9.0-0 h6 10.Ba3 hg5 11.Bf8 Qf8 12.Bd5 Bb6 (12...Nd5?! 13.ed5 Bc7 14.dc6 dc6 15.Qh5+=) 13.c4 Nd4 14.Ra3 d6 15.Rg3 g4 16.Kh1 Qe7 17.f4 (17.Nc3 Qd7-+) 17...Nh5 18.Rg4 Bg4 19.Qg4 Nf6 20.Qf5 (20.Qd1-+) 20…Nf5 (20...Nf5 21.ef5 Nd5 22.cd5 ef4-+) 0–1. Roubinek,David – Martinovic,Ales, Brno op, 2005. (=1.e4 c5 2.a3 e5 3.Nf3 Nc6 4.b4 cb4+= 5.ab4 Bb4)

    6.c3 Bc5

    7.Na3 Nf6-/+ 8.Qa4 0-0 9.Be2 d5 10.ed5 Nd5 11.Nc4 (11.0-0 Bf5-+) 11...e4 12.Nfe5 (12.Ng1 Qf6 13.Ne3 Qg6-+) 12...Ne5 (better is 12...Qf6!? 13.f4 Nf4 14.d4 Nd4 15.cd4 Bd4 16.Bf4 Qf4 17.Ra3-+) 13.Ne5 Qf6 14.Qe4 Qf2 15.Kd1 Rd8 16.Bb2? (better is 16.Nd3 Bf5 17.Qd5 Bd3 18.Qf3 Be2 19.Qe2-+) 16...Ne3 17.Kc1 Qe2 18.d4 Bf5 (18...Bf5 19.Qf5 Nf5-+) 0–1. Mclarnan – Saxton,Delmar, Omaha, NE sim 1of3, 1976. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4)

    7.Bb5 Qb6 8.Qe2 (8.Bc6 dc6 9.d4 ed4 10.cd4 Bb4 11.Bd2 Nf6=) 8...Nge7 (8...Bf2!? 9.Qf2 Qb5-/+) 9.0-0 0-0 10.Ba3 (10.Na3 d6=) 10...Ng6 11.Bc5 Qc5 12.g3 a6 13.Ne1 (better is 13.Bd3!?=) 13...d5-/+ 14.Bc6 bc6 (14...Qc6!? 15.d3 Bh3-+) 15.Nd3 Qd6 16.Na3 a5 17.Rfb1 (17.ed5 cd5 18.Rfb1 Bf5-/+) 17...Rd8 (17...de4 18.Ne1-/+) 18.Qe3 (18.Ne1 Ba6 19.c4 de4 20.Qe4 Qd2 21.Qc6 Qe2-/+) 18...de4 (18...f5 19.Nb2-/+) 19.Nc5 Qd5 20.Rb2 (20.Na4 Qd2 21.Qd2 Rd2+=) 20...Bf5 (20...f5 21.Na4 f4 22.Qe1-/+) 21.Rab1 (21.Na4!? Qd6 22.Nc4=) 21...Nf8 22.Na4 (22.Nb7 Rd7 23.Nc5 Rd6-/+) 22...Qd3 (22...Nd7!? 23.h4-+) 23.Nc5 (23.Nb6 Ra6-/+) 23...Qe3 24.de3 Nd7 25.Nd7 Bd7 26.Nc4 f6 27.h4 h5 28.Rb7? Bg4-+ 29.R7b2 a4 30.Rd2 Kh7 31.Kf1? a3 32.Ra2 Rd3 33.Ra3 Ra3 34.Na3 Rc3 35.Ra1 c5 36.Ke1 Rd3 37.Nc4-/+ Be6 38.Nd2 c4 39.Ne4 Bd5?? 40.Nc5+/- e4 41.Nd3 cd3 42.Ra5 Bf7 43.Ra7 Kg6 44.Kd2 Be6 45.Rc7 Bg4 46.Rc5 Kh6 47.Kc3 Kg6 48.Rc6 Kh6 49.Rd6 Kg6 50.Kc4 Kf5 51.Kc5?? Bf3 52.Kc4= g5 53.hg5 fg5 54.Kc3 Kg4 55.Kd2 h4 56.gh4 gh4 57.Rg6 Kh3 58.Rg7? Kh2-+ 59.Rh7 h3 60.Rg7 Bg2 61.f4 ef3 62.Kd3 f2 (62...f2 63.Rd7 f1Q 64.Kd2 Qf2 65.Kc3 Qe1 66.Kc4 Qc1 67.Kb4 Qe3 68.Rd1 Bc6 69.Rf1 Qd4 70.Ka3 Bd5 71.Rc1 Qe3 72.Ka4 Qc1 73.Kb5 Kg3 74.Kb4 Qc6 75.Ka5 Qb7 76.Ka4 Qb6 77.Ka3 Qb3) 0–1. Aufmwasser,Guenter (1680) – Lueues,Hans, Seefeld op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4)

    7.Bc4 Nf6 8.0-0 0-0 9.d4 Be7 10.Re1 Qc7 11.Bd3 d6 12.Be3 Bg4 13.Nbd2 ed4 14.cd4 Rfe8 15.Qc2 h6?? (better is 15...Qd7=) 16.d5+- 1–0. Carson,Phillip – Powe,Michael, USA corr, 1990. (=1.e4 c5 2.a3 Nc6 3.b4 e5 4.Nf3 cb4 5.ab4 Bb4)

    7.Bc4 Nf6 8.d3 0-0 9.0-0 h6 10.d4 Bd6 11.de5 Ne5 12.Ne5 Be5 13.f4 Bc7 14.Qf3 d6 15.h3 Bd7 16.Bd3 Bc6 17.c4 Re8 18.Nc3 Bb6 19.Be3 Be3 20.Qe3 Ne4! 21.Be4 (21.Ne4 f5; 21.Be4 f5) 21...f5! 22.Qd4 (22.Bf5 Re3) 22...fe4 23.Nd5 e3! 24.Rae1 (24.Ne3 Re4) 24...e2 25.Rf2 Qa5 26.Rfe2 Re2 27.Re2 Bd5 28.cd5 Qc5 29.Qc5 dc5 30.Re7 b6 31.Rb7 Rd8 32.Ra7 Rd5 33.Rb7 Rd6 34.Kf2 Rc6 35.Ke3 c4 36.Kd2 c3 37.Kc2 h5 38.g4 h4 39.f5 Kh7 40.Rb8 g6 41.fg6 Kg6 42.Rf8 (better is 42.Rg8!? Kh6 43.Rh8 Kg5 44.Rf8=) 42...b5-/+ 43.Rf5 (better is 43.Rg8!? Kh7 44.Rb8-/+) 43...b4-+ 44.Rb5 Rc4 45.Rb6 Kg5 46.Rb5 Kf4 0–1. Jalal,Adil Ali (2265) – Abdulghafour,Yousef (2180), Teheran zt, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4)

    7.d4 ed4 8.cd4 Bb4 9.Bd2 Qb6 10.d5 Bd2 11.Qd2 Nb4 12.Nc3 Nf6 (12...Qg6!?+=) 13.e5+/- Ng4 14.h3 Nh6 15.Nb5 Qc5?? (better is 15...a5 16.Nd6 Kf8+-) 16.Rc1+- (16.Rc1 Qc1 17.Qc1+-) 1–0. Fritz 11 – anony, internet, 2013.

    6.c3 Be7

    7.Bb5 Qc7 8.0-0 a6 (8...Nf6 9.Re1=+) 9.d4= Na7 (9...Nf6 10.Re1=) 10.Ba4 b5 (10...ed4 11.Qd4 Bf8 12.Be3=) 11.Bb3+= Nc6 12.Ne5 Ne5 13.Bf4 Nf6 (13...Qb6 14.de5 Bb7 15.Bd5+-) 14.de5 (worse 14.Be5 d6 15.Bf6 Bf6=) 14...Ne4 15.Bf7! Kf8 (15...Kf7 16.Qd5 Double attack) 16.Qh5 Bb7 17.Qf5 (17.Qf5 g5 18.Bd5 Kg7 19.Qf7 Kh6 20.Be4 (20.Qe7?! Bd5 21.Be3 Rhe8 22.Ra6 Bc6+=) 20...Be4 21.Qe7 gf4 22.Qf6 Kh5 23.Qf7 (23.Ra6?! Ra6 24.Qh8 Ra1+=) 23...Bg6 24.Qf4+-) 1–0. juliangon (2705) – mizuzul (2290), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.Bb5 d6 8.d4 Bd7 9.d5 Nb8 10.Qb3 Nf6 11.Be2 White fights for the Initiative (11.Be3 a6 (worse 11...Ne4 12.Bd3+-) 12.Bd7 Nbd7=+) 11...b6 (11...Qc7 12.Nbd2=+) 12.Be3= Qc8 13.Nbd2 0-0 14.h3 Ne8 (14...Re8 15.Bd3=) 15.Bb6+= Kh8 (15...ab6 A pinning theme 16.Ra8 Annihilates a defender: a8) 16.Ra7+- Ra7 17.Ba7 Na6 (17...Nc7 18.Qa3 Re8 19.0-0+-) 18.Qa3+- Nac7 19.Ne5! Bb5 (19...de5 Exploits the pin 20.Qe7) 20.c4 Ba6 (20...Bd7 21.0-0 Nf6 22.Rb1+-) 21.Nc6 Bg5 22.e5 Bd2 23.Kd2 Qf5 (23...Qd7 24.Bb6 f6 25.Nb8+-) 24.ed6 Nd5 (24...Qf4 25.Be3 Qd6 26.Bc5 Qh6 27.Qe3+-) 25.d7! (25.d7 Qf4 26.Ke1+-) 1–0. juliangon (2585) – pdchessvamp (2050), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.Bb5 d6 8.d4 Bd7 9.d5 Nb8 10.Be2 f5 (10...Nf6 11.Bd3=+) 11.ef5= White launches an attack 11...Bf5 12.Bd3 Bd3 13.Qd3 Nf6 (13...Na6 14.Be3=+) 14.Ng5= 0-0 (better 14...Qc8!?=) 15.Ne6+- Qb6 16.Nf8 Bf8 17.Be3 Qb2 18.Ra7 Ra7 19.Ba7 e4 20.Qd1 Na6 (20...Nbd7 21.0-0+-) 21.0-0+- Be7 (21...Qb5 22.Re1+-) 22.Bd4 Qb5 23.Nd2 Nc5 (23...Qd5 24.Re1 Nc5 25.Bc5 dc5 26.Qc2+-) 24.c4 Qa5 (24...Qd7 25.Qe2+-) 25.Qe2 (25.Qe2 h6 26.Rb1+-) 1–0. juliangon (2675) – craig4000 (2010), ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.Bc4 Nf6 8.Qb3 0-0 9.Ng5 Qe8 10.0-0 h6 11.Nf3 Ne4 12.d4 d6 13.Re1 Nf6 14.de5 Ne5 15.Ne5 de5 16.Re5 Qd8 17.Ba3 Ba3 18.Na3 a6 19.Qb4 Ng4 20.Re7 Qd2 21.Qc5 Nf6 (21...Qc3?? 22.Bf7 Rf7 23.Re8 (23.Qc3?! Re7 24.Qb4 Rc7+=) 23...Kh7 24.Qc3 Nf2 25.Qb3+-) 22.Bb3 Bg4 23.Rb7 Rac8 24.Qe7 Bh5 25.Qe1 Qe1 26.Re1 Rc3 27.Nc4 Rc8 28.Nd6 R8c7 29.Rb8 Kh7 30.h3 Bg6 31.Rb6 Rc1 32.Rc1 Rc1 33.Kh2 Rb1 34.Rb8 Nd7 (34...Nd7 35.Rd8 Rb3 36.Rd7 Rd3-+) 0–1. Gorovykh,E (2445) – Yemelin,V (2570), Chigorin Mem Classic Open, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.Bc4 Nf6 8.d4 d6 9.de5 (9.d5 Nb8 10.Qd3 0-0+=) 9...Ne5 10.Ne5 de5 11.Qa4 Bd7 12.Qb3 0-0 13.Qb7 Bc5 14.Be3 Rb8 15.Qa6 Be3 16.fe3 Ng4 17.0-0? (better is 17.Qa7!? Rb2 18.g3-/+) 17...Qh4-+ 18.h3 Ne3 19.Nd2? (better is 19.Rf2 Ng2! 20.Rf7 Rf7 21.Qa7-+) 19...Nf1 20.Rf1 Bh3! 21.Rf7 Rf7 22.Bf7 Kh8 23.Qd6 Rd8 24.Qe5 Bg2 25.Bd5 Qe1 26.Kg2 Qd2 27.Kg3 Rf8 28.Bf7 h6 29.c4 Qd3 30.Kg2 Qd7 (30...Qd7 31.Bh5 Qd2 32.Kh3 Qe3 33.Qg3 Qe4-+; 30...Rf7?! 31.Qe8 Kh7 32.Qf7 Qe4 33.Kf2-+) 0–1. Acers,J (2225) – Kaufman,Larry C (2400), World Seniors, Condino ITA, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.d4 d5 8.Bb5 Nf6 9.Ne5 0-0 10.Nc6 bc6 11.Bc6 Bg4 (better is 11...Rb8!? 12.ed5 Nd5+=) 12.f3+- Rc8 13.Qa4 (worse is 13.fg4 Rc6 14.e5 Ne4 15.Ra7 Qb8 16.Re7 Qb1+/-) 13...Bh5 14.e5 Ne8 15.0-0 Bg6 16.Rd1 Bf5 17.Bd2 Bd3 18.Na3 Ba3 19.Ra3 Bc4 20.Bb5 Qb6 21.Bc4 Rc4 22.Qa7 Qg6 23.Qd7 Nc7 24.Ra2 Qd3 25.Rda1 h5 26.f4 g6 27.Rf1 Qf5 28.Qf5 gf5 29.Rf3 Ne6 30.Rh3 Ng7 31.Ra5 Rd8 32.Kf2 Rc6 33.Re3 Rb6 34.Bc1 Ne6 35.g3 Rb1 36.Ba3 Rdb8 37.Rd5 Rh1 38.Kg2 Rbb1 39.Re2 h4 40.Rf2 hg3 41.hg3 Rhg1 42.Kf3 Rbd1 43.Bb4 Rd3 44.Ke2 Rgg3 45.Rd7 Rde3 46.Kd2 Re4 47.d5 Nf4 48.Rf4?? Rf4+= 49.Kc2 Rf2 50.Kb3 Rd2 51.d6 f4 52.Ra7 Rgd3 53.Ra1 f3 54.Bc5 f2 55.Rf1 Rf3 56.Kc4 Kg7 57.Bd4 Kf8 58.Kc5 Ke8 59.Kc6 Rd4? 60.cd4+- Rc3 61.Kd5 Rc2 62.Ke4 Rb2 63.Kf3 Ra2 64.Rf2 Ra1 65.Ke4 Ra5 66.Kf5 Ra1 67.Rf4 Rd1 68.Kf6 Rd2 69.Kf5 Rd1 70.Rh4 Kd7 71.Ke4 Rf1 72.Rf4 Re1 73.Kd5 Ke8 74.Rf3 Ra1 75.Rc3 Kd8 76.Rc7 Rf1 77.Ra7 Rf2 78.d7 Rd2 79.Ke4 Rb2 80.d5 Rb4 81.Kd3 Rb5 82.Kc4 Rb6 83.Kc5 Rh6 84.Rb7 Rg6 85.Rb6 Rb6 86.Kb6 Kd7 87.Kc5 Kd8 88.Kd4 Kd7 89.Ke4 Ke7 90.Kf5 Kd7 91.Kf6 Ke8 92.d6 (92.d6 Kd8 93.Kf7+-) 1–0. Bouville,David (1785) – Kieffer,Jean Claude (1940), Orsay–C, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.Bb5 Nf6

    8.0-0 0-0 9.Re1 d6 10.d4 Bg4 11.d5 Nb8 12.h3 Bh5 13.Qd3 Nbd7 14.Ba3 a6 15.Bd7 Nd7 16.c4 Bf3 17.Qf3 Qc7 18.Nd2 Rfc8 19.Reb1 Rab8 20.Bb4 Nc5 21.Ra3 Bg5 22.Nb3 b5 23.Bc5 bc4 24.Be3 Be3 25.Qe3 cb3 26.Rab3 Rb3 27.Rb3 Rb8 ½–½. Balvanyos,Istvan (2100) – Halasz,Csaba (2155), HUN–chT2 Erkel, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    8.0-0 Ne4 9.Bc6 dc6-/+.

    8.Qa4 Qc7 9.0-0 0-0 10.d4 Ne4 11.de5 (11.Re1!? d5 12.Bc6 bc6 13.Ne5=+) 11...Nc5-+ 12.Qf4 Nb3 (12...d6 13.Bc6 de5 14.Qe5-+) 13.Ra2 (13.Ra4 d6 14.Bc6 de5 15.Ne5 Bd6-+) 13...Nc1 (13...d6 14.Bc6 de5 15.Qe5-+) 14.Rc1-/+ f6 (14...d6 15.Bc6 Qc6 16.Nbd2-/+) 15.Re1 (15.Qc4 Kh8 16.ef6 Bf6-/+) 15...Ne5 (15...fe5!? 16.Qc4 Kh8 17.Bc6 Qc6 18.Qc6 dc6-/+) 16.Ne5=+ fe5 17.Qe5 Qe5 18.Re5 Bf6 19.Rd5 (19.Bc4!? Kh8 20.Re3=+) 19...d6!-/+ 20.Rd6 (20.Re2 Be5-/+) 20...Bf5 21.Nd2 Bc3 (21...Be5 22.Bc4 Kh8 23.Rd5 Bc3 24.Rb5-/+) 22.Bc4 (22.Nf1 Bb4 23.Bc4 Kh8-/+) 22...Kh8 23.Nf3 (23.Nf1 Bb1 24.Re2 Rac8-/+) 23...h6 (23...Rac8 24.Bb3 a5 25.Ng5-+) 24.Nd4 (24.Nh4 Bb1 25.Ng6 Bg6 26.Rg6 Rf4-/+) 24...Bd4 (24...Bb1!? 25.Ra4 Rad8-+) 25.Rd4-/+ Rfd8 (better 25...Rad8!? 26.Rd8 Rd8-/+) 26.Ra7= Rd4 27.Ra8 Kh7 28.Bg8 Kg6 29.f3 Rd2 30.Ra2 (30.Rb8 Rd7=) 30...Rd1 (30...Ra2 31.Ba2 Kf6 32.Kf2=+) 31.Kf2= Bd3 32.Bd5 b6 (32...b5 33.Ra6 Kh7 34.Rd6=) 33.Ke3 (33.Rb2 b5+=) 33...Bf5= 34.Bc4 Rd6 35.Rb2 Kf6 36.f4 g5 37.g3 gf4 38.gf4 Rc6 ½–½. Couture,Jonathan (1945) – Perron,Jonathan, Quebec Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    8.d3 d6 9.0-0 0-0 10.c4 a6 11.Nc3 Bg4 12.Bc6 bc6 13.h3 Be6 14.c5 Qc7 15.cd6 Bd6 (worse 15...Qd6 16.d4=+) 16.Ng5 Bd7 17.Be3 Rfb8 18.Qc2 h6 19.Nf3 Be6 20.Na4 c5! 21.Rfc1 (21.Nc5 Nd7 Decoy; 21.Bc5 Nd7 Decoy) 21...Nd7 22.Nd2 Qd8 23.Nc4 Bf8 24.Nc3 Rb4 25.Na2 Rb7 26.Nc3 Qf6 27.Ra3 ½–½. juliangon (2670) – Bazza3 (2595), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    8.d3 d6 9.0-0 0-0 10.c4 Bg4 11.Be3 a6 12.Bc6 bc6 13.h3 Bf3 14.Qf3 d5 15.cd5 cd5 16.Bg5 Qd6 17.Rc1 Rfb8 18.Nd2 Rd8 19.Nf1 d4 (19...h6 20.Bf6 Qf6 21.Qf6 Bf6 22.Ra5-/+) 20.Nd2 (20.Ng3 Rd7=+) 20...Nd7 21.Be7 Qe7 22.Rc7 Qd6 23.Rac1 a5 24.R1c6 Qf8 25.Qf5 Nb8 26.Rc4 Qe8 27.Rb7 g6 28.Qf6 Ra6 29.Rb6 Ra7 30.Rb2 Nd7 31.Qc6 Rb8 32.Rb5 Kg7 33.Nf3 h6 34.g3 Rb5 35.Qb5 Qe7 36.h4 h5 37.Kg2 Qd6 38.Ng5 Qb8 39.Qc6 Qe8 40.Nf3 f6 41.Nd2 Qb8 42.Qa4 Qb2 43.Rc2 Qb4 44.Qa2 Qb8 45.Qa4 ½–½. juliangon (2675) – Bazza3 (2480), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.Bb5 Nf6)

    8.d3 d6 (8...0-0 9.0-0-/+) 9.c4 (9.Na3 Qc7-/+) 9...0-0 10.0-0 a6 11.Nc3 Qc7 12.Ba4 (12.Bd2 Bg4 13.Bc6 bc6-/+) 12...Bg4 13.Be3 Nd4 14.Rc1 (14.Bd4 ed4 Combination; 14.Nd4 ed4 Double attack (14...Bd1 Pinning; 14...Bd1 Deflection)) 14...Qc5 (14...Qa5 15.Bd4 ed4 16.Ne2 Bf3 17.gf3-/+) 15.Kh1 Qa5 (15...Bd8 16.Ne2 Bb6 17.Rb1=+) 16.Bd4=+ ed4 (16...Bf3 17.gf3 ed4 18.Ne2=+) 17.Ne2 Bf3 18.gf3 Qe5 19.f4 (19.Rg1 Nh5-/+) 19...Qc5 (19...Qh5 20.Ng3 Qh3 21.Qf3=+) 20.Rg1=+ Nh5 21.f5 (21.Qd2 g6=+) 21...Rab8 (21...g6 22.Qd2 Bf6 23.f4=+) 22.Qd2=+ Kh8 (22...Qe5 23.Rg4 Kh8 24.Ng1=+) 23.Rcf1 (23.Ng3 Nf6=+) 23...h6 (23...Rfd8 24.Bd1=+) 24.Rg2 Qb6 (24...Bd8 25.Bd1=+) 25.Rfg1 Rg8 26.f4 (26.Bd1 Nf6=) 26...Kh7 (26...Rbc8 27.e5=+) 27.Qe1 Bd8 28.Qf2 The isolani on d4 becomes a target 28...Qc5 (28...Bc7 29.Qh4 Nf6 30.Rg3+=) 29.Nc1 (worse 29.Nd4 Nf4 30.Qf4 Qd4-/+) 29...Nf6 30.Bd1 b5 (30...Qa5 31.Rg3=) 31.Nb3 Qc6 32.Bf3 (32.Nd4 Qc5 33.e5 bc4 (33...de5? 34.Rg7 Kh8 35.Qg3+-) 34.ef6 Bf6=) 32...bc4 33.e5 (33.Nd4 Qc5 34.e5 Bb6 35.ef6 gf6 36.Rg8 Rg8 37.Rg8 Kg8 38.dc4 Qd4 39.Qd4 Bd4=) 33...Qd7 (better 33...Nd5!? 34.Nd4 Qc5 35.Bd5 Qd5 36.dc4 Qc4=) 34.ef6+= (34.Nd4 de5 35.Nc6 Rc8 36.Ne5 Qf5 37.Nf7 Bc7 (37...cd3? 38.Qh4 Nh5 39.Qh5 Qh5 40.Bh5+-) 38.Ng5 Kh8 39.Nf7 Kh7 40.Ng5 Kh8 41.Nf7 Kh7=) 34...Bf6 (34...cb3?? 35.Rg7 Rg7 36.Rg7 Kh8 37.Qh4 Qf5 38.Qh6 Qh7 39.Qh7; 34...Rb3 35.Rg7 Rg7 36.Rg7 Kh8 37.Qh4 Rb1 38.Kg2 Rb2 39.Kg3 Rh2 40.Kh2 Qf5 41.Qh6 Qh7 42.Qh7) 35.Nd2 cd3 36.Bd5 Kh8 (36...Qf5?? 37.Be4 Rb5 38.Bf5 Rf5 39.Ne4+-) 37.Qf3 Rb5 (37...Qf5!? 38.Bf7 Rgc8+=) 38.Bc6+- Qf5 39.Bb5 ab5 40.Qe4 (40.Ne4 b4+-) 40...Qc5 (40...Qe6 41.Qd3 b4 42.Ne4+-) 41.Qb7 Qh5 (41...d5 42.Qf7 Rf8 43.Qb7+-) 42.Rf1 d5 (42...b4 43.Ne4 d5 44.Nf6 gf6 45.Rg8 (45.Qb4?! Rg2 46.Kg2 Qe2 47.Kg1 Qe3 48.Rf2 Kg7+-) 45...Kg8 46.Qb5+-) 43.Qb5+- Qf5 44.Rf3 Rc8 45.Qd3 Qe6 (45...Qd7 46.Nb3+-) 46.Rf1 Rc3 (46...Kg8 47.Nf3 Rc3 48.Qb5+-) 47.Qb5 Re3 (47...Kh7 48.Qb7 Kg8 49.Rgg1+-) 48.Nb3+- Re1 (48...Qf5 49.Nc5 Re7 50.Kg1+-) 49.Nc5 Qe7 (49...Rf1 50.Qf1 Qc8 51.Nd3+-) 50.Re1 Qe1 51.Rg1 Qe3 52.Qf1 g6 (52...Qe7 53.Qc1+-) 53.Rg2 Kg7 (53...Kh7 54.Re2 Qc3 55.Nd7+-) 54.Re2 Qc3 (54...Qa3 55.Nd7+-) 55.Nd7 Bd8 (55...d3 56.Re3 d4 57.Rf3+-) 56.f5 (56.f5 Qc6 57.Ne5+-) 1–0. juliangon – marekt, ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.d4 ed4-/+

    8.Bc4 Nf6 9.e5 Ne4 10.0-0 0-0 11.Bd5 Nc3-+ 12.Nc3 dc3 13.Bf4 b5 14.Qe2 b4 15.Rfd1 Qe8 16.Qe4 a5 17.Ng5 Bg5 18.Bg5 Ra6 19.f4 d6! 20.Bc4 de5 21.f5 Nd4 22.Ba6 Bf5 23.Qh4? Qc6 24.Bf1 b3 25.Be7 Qb6 26.Kh1 Re8 27.Qf2 b2 28.Rd4 ba1Q 29.Qf5 Qd4 (29...Qd4 30.h3 Qf4 31.Qf4 ef4 32.Kg1 c2 33.Bd8 c1Q 34.Kh2 Qf1 35.Ba5 Qg1) 0–1. Fedoseev,S (2190) – Sudakova,I (2345), Chigorin Memorial, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 ed4)

    8.cd4 Bb4 9.Bd2 Nf6 10.e5 Ne4 11.Bb4 Nb4 12.Qb3 Qe7 13.Nbd2 Nd2=+ 14.Nd2 0-0 15.Bc4 d5 16.Bd3 Nd3 17.Qd3-/+ Be6 18.0-0 Rfc8 19.f4=+ a6 20.f5= Bd7 21.f6 Qf8 22.fg7 Qg7 23.Rf3 Bb5 24.Qb3+= Qh6 25.Qd5 Qe6 26.Rg3 Kh8 27.Qe6 fe6+= 28.Ne4 Rc2 29.Nd6 Rf8+= 30.h3 Bc6 =. letitbe – dirtyrat (2010), net–chess.com, 2008.

    8.cd4 d5 9.ed5 Qd5 10.Nc3 -/+.

    8.cd4 d5 9.e5 Bg4 10.Bb5 Qb6 11.Qa4 Rc8 (11...Bd7 12.Na3-/+) 12.Nc3 a6 (12...Bf3 13.gf3 Kd8 14.Bc6 A) 14...Qc6?! 15.Qc6 Rc6 16.Nd5+=; B) worse is 14...Rc6 15.Nd5 Qa6 16.Qa6 Ra6 17.Ra6 ba6 18.Ke2+/- (worse is 18.Ne7 Ne7 19.Rg1 Rg8+/-); C) 14...Bb4 15.Bd5 Bc3 16.Bd2 C1) worse is 16...Bd4 17.Ba5 Bc3 18.Bc3 Rc3 19.Bf7+= (19.Qa7?? Qa7 20.Ra7 Rc1 21.Ke2 Rh1-+); C2) 16...Qd4?! 17.Bc3 Qc3 18.Kf1+=; C3) 16...Ba1 17.Qa1 Ke8+=) 13.Bc6= Qc6 14.Nd5?? (better is 14.Qc6 bc6 15.Ra6=) 14...Qa4-+ 15.Ra4 Rc1 16.Kd2 (16.Ke2 Rh1 17.h3 Bd7-+) 16…Rh1 0–1. Selva Salvador,Antonio – Catala Alos,Jorge M, Burjasot Preferente, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 ed4)

    8.cd4 d5 9.e5 Bb4 10.Bd2 Bd2 11.Qd2 (11.Nbd2 Nge7=+) 11...Nge7 12.Nc3 Bf5 13.Be2 0-0 14.0-0 h6 15.Rfc1 Ng6 (15...f6 16.Re1=+) 16.Ra3 (16.Nb5 f6=) 16...Nh4 17.Nh4 Qh4 18.Nb5 (18.f4 Qe7 19.Nb5 Rfd8=) 18...a6 19.g3 Qe7 20.Nd6 Be6 21.Rac3 Rfd8 (21...f6 22.f4=) 22.Nb7+= Qb7 23.Rc6 Rdc8 24.Rc8 Rc8 25.Ra1 Qb3 (25...Ra8!?+=) 26.Ba6+- Rc2 (26...Ra8 27.Qc1+-) 27.Bd3 Rc8 (27...Rd2?? 28.Ra8 Qb8 29.Rb8 Bc8 30.Rc8) 28.Rb1 Qa4 29.h4 Bg4 30.Kg2 Qc6 31.Ra1 Be6 32.Ra7 Qb6 33.Ra3 Kf8 34.Qf4 Qb2 35.Ra6 Kg8 36.h5 Qc3 37.Bf5 Bf5 38.Qf5 Re8 (better 38...Rf8 39.Qg4 Kh8+-) 39.Ra7 Rf8 40.e6 Qd4 41.ef7 (41.Rf7?! Rc8+-) 41...Kh8 42.Re7 Qf6 43.Qd7 Kh7 44.Qe8 Rh8 1–0. marekt – craig4000, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 ed4)

    8.cd4 d6 9.Bb5 Bd7 10.d5 (10.0-0 Nf6 (10...a6 11.Bd3 Nf6 12.Qb3 b5 13.Bf4 Qb6 14.Nc3 0-0 15.d5 Na5=; 10...d5 11.ed5 Nb4 12.Bd7 Qd7 13.Ne5 Qd5 14.Nc3 Qe6 15.Re1 Nf6+/-; 10...Bf6 11.Nc3 Nge7 12.Bf4 Bg4 13.Nd5 a6 14.Nf6 gf6 15.Be2 d5=) 11.d5 Ne5 12.Bd7 Qd7 13.Nbd2 0-0 14.Bb2 Nd3 15.Bd4 b5+=; 10.Nc3 Nf6 (10...a6 11.Bd3 Bg4 12.Be2 Bf6 13.Be3 Nge7 14.h3 Be6 15.Rc1 Bd7=) 11.d5 Ne5 12.Bd7 Nfd7 13.0-0 0-0 14.Nd4 Bf6 15.Qe2 Nc5+=; 10.Qb3 Nf6 (10...Bf6 11.Be3 Nge7 12.0-0 Be6 13.Qb2 a6 14.Bc6 Nc6 15.Qb7 Qc8+=; 10...f5 11.ef5 Bf6 12.Bb2 Nge7 13.g4 a6 14.Be2 h6 15.Nc3 Nd4+=; 10...d5 11.ed5 Nb4 12.Bd7 Qd7 13.Nc3 Nf6 14.Ne5 Qc8 15.Ba3 a5+/- 1.03) 11.Bd3 a5 12.Bd2 b5 13.0-0 b4 14.Re1 0-0 15.e5 de5+=) 10...Ne5 (10...Nb4 11.Bd7 Qd7 12.0-0 Nf6 13.Bd2 Na6 14.Nc3 0-0 15.Qb1 Nc5+=; 10...Nb8 11.Nc3 Bf6 12.Nd4 Be5 13.0-0 Nf6 14.f4 Bd4 15.Qd4 0-0=) 11.Bd7 Nd7 (11...Qd7 12.Be3 Nf6 13.Nc3 a6 14.Bd4 Qg4 15.Rg1 Nf3+=) 12.0-0 (12.Be3 Ngf6 13.Nc3 b6 14.0-0 0-0 15.Nd4 Ne5=) 12...Ngf6 13.Re1 (13.Nc3 Qc7 14.Bb2 0-0 15.Nd4 Ne5=) 13...0-0 14.Bb2 (14.Nc3 Nc5 15.Ba3 Nfd7=) 14...Nb6 (14...Nc5 15.Nc3 a5=) 15.Nbd2 Re8 (15...a5=) 16.Nd4 Bf8 17.Nb5 a6 18.Bf6 gf6 19.Nd4 Kh8 20.Qh5 Qd7 21.Re3 Re5 22.Qe2 (22.Qh4!? Rc8 23.Rh3+- (23.Qf6?! Bg7 24.Qh4 f5+=)) 22...Bh6+= 23.Rb3 (better is 23.Rh3!? Bd2 24.Qd2+=) 23...Nd5+= 24.Qf3 (24.ed5 Re2) 24...Bd2 25.ed5 Qe7 26.Rf1 Re1 27.Rb1 Re8 28.Nf5 Rf1 29.Rf1 Qe1?? (better is 29...Qe5-/+) 30.Ne3+- Re3 31.Qf6 Kg8 32.fe3 Qe3 33.Kh1 Qe8 34.Qd6 Qb5?? 35.Qd8 Kg7 36.Qf6 Kg8 37.Qf7 Kh8 38.Qf8# 1–0. Shevchenko,Kirill – Talu,Mircea, WY Boys–U8 Porto Carras GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 ed4)

    7.d4 d6

    8.Na3 Bg4 9.Nc4 Nf6 10.d5 Nb8 11.Bd3 Nbd7 12.Qe2 0-0 13.Ne3 Bh5 14.h3 Nc5 15.g4 Bg6 16.Nd2 (16.Nf5 b5-/+) 16...Nd3 (16...Nfe4!? 17.Ne4 Ne4 18.Nd1-+) 17.Qd3-/+ a6 18.h4 h5 19.g5 Nd7 20.Nf5 Re8 21.Ba3 Nf8 22.0-0 b5 23.f4 Bf5 24.ef5 ef4 25.Rf4? (better is 25.Ne4-/+) 25...Bg5!-+ 26.Re4 (26.hg5 Qg5) 26...Bd2 27.Re8 Qe8 28.Qd2 Qe5 29.Re1 Qg3 30.Qg2 (30.Kf1-+) 30...Qe1 31.Kh2 (31.Qf1 Qh4 32.Qe2 Qg3 33.Qg2 Qe1 34.Qf1 Qc3 35.Bd6 Re8-+) 31...Qe5 (better is 31...Re8 32.Qf3 Re2 33.Kh3-+) 32.Kh1 Nh7 (32...Nh7 33.Bb4 Re8-+) 0–1. Donoso Solzona,Francisco – Cano,Orlando, Internet Section, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    8.Bb5 Bd7 9.Ba3 Nf6 (9...ed4 10.Nd4 Nf6 11.Nd2=+) 10.0-0 (10.d5 Nb8 11.Bd7 Nbd7=+) 10...0-0 (10...ed4 11.Re1 dc3 12.Nc3=+) 11.d5=+ Nb8 12.Bd3 a5 (better 12...Bg4=+) 13.Ne5? (better 13.Nbd2=+) 13...de5-+ 14.d6 Bd6! 15.Bd6 Bg4 16.f3 Qd6 17.fg4 Rd8 18.Rf3 Nc6 19.Nd2? (19.Ra4-+) 19...Qc5 20.Kh1 Ng4 (20...Qc3?! 21.Rc1 Qd4 22.g5-+) 21.Qf1 Qc3 22.Nc4 (22.Ba6 Qb4 23.Rb1 Qd2 24.Bb7-+) 22…Rd3! (22...Rd3 23.Ra3 Rf3 24.gf3 Nf2 25.Kg2 Qd4-+) 0–1. Perunovic,Milos (2695) – Bogosavljevic,Boban (2500), Belgrade Planetwin, 2014. (=1.e4 c5 2.a3 e5 3.Nf3 Nc6 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    8.Bb5 Bd7 9.Qe2 Nf6 10.Bg5 0-0 11.0-0 ed4 12.cd4 Ne4! 13.Be7 (13.Qe4 Bg5) 13...Qe7 14.Bc6 Bc6 15.Nc3 Rfe8 16.Rfe1 Qf6 (16...Qf6 17.Ne4 Re4-+; 16...Nc3?! 17.Qe7 Re7 18.Re7-/+) 0–1. BatTESTI,Marc Andria (1890) – Delorme,Axel (2200), FRA–ch U16 Calvi, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    8.Bc4 Nf6 9.d5 Nb8 10.Bb5 Bd7 11.Qa4 0-0 12.Nbd2 a6 13.Bd7 Nbd7 14.0-0 Nc5 15.Qc2 Qd7 16.Re1 Rfc8 17.Nb3 Nfe4 18.Re4 Ne4 19.Qe4 Rc3 20.Qb4 Rd3 21.Bg5 Rf3! (21...Rf3 22.Be7 Rb3 (22...Qe7?! 23.gf3 h6 24.Nd2=) 23.Qb3 Qe7-+; 21...Rd5?! 22.Be7 Qe7 23.Ng5-+) 0–1. Korostenski,Frank – Endean,Andrew, SC–2010-0-00060, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 e5 4.Nf3 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    8.Be2 ed4 9.cd4 d5 10.ed5 Qd5 11.0-0 Nf6 12.Nc3 Qd8 13.d5.

    8.Be2 Nf6 9.Nbd2 (9.d5 Nb8+= 10.Be3 (10.0-0 0-0 11.Qc2 Nbd7 12.Be3 b6 13.Bb5; 10.Nbd2 Qc7 11.Qc2 0-0 12.0-0 Nbd7 13.Nb3) 10...Ng4 11.Ba7 Ra7 12.Ra7 Nf2 13.Kf2) 9...0-0 (9...ed4 10.cd4 d5 11.e5-/+ Ne4 12.Qc2 Bf5 13.Qb2) 10.Qb3 (10.d5 Na5+= (10...Nb8 11.Qc2 Qc7 12.0-0 a6 13.Ra3) 11.0-0 Qc7 12.Qc2 b6 13.Ba3) 10...Qc7 (10...ed4 11.cd4 d5 12.e5+= Ne4 13.0-0) 11.0-0 (11.Qc4 ed4 12.cd4 Qb6 13.d5) 11...Bg4 (11...a6 12.d5 Na7 13.Rd1) 12.Bd3 (12.d5 Na5 13.Qb4) 12...b6 (12...Rfc8 13.Ng5+= (13.h3 Bh5 14.Rd1-/+)) 13.Ba3 (13.h3 Bh5+=) 13...Na5 (13...a6 14.h3 Bf3 15.Nf3+=) 14.Qb1 Rfe8 (14...Qc3? 15.Rc1 ed4 16.h3+-) 15.Bb5 Bd7 (15...Rec8 16.Bb4+=) 16.Rc1 Bb5 17.Qb5 Bf8 (17...a6 18.Qd3+=) 18.Qd3 Rac8 (18...d5 19.Bf8 (worse is 19.de5 de4 20.Ne4 Ne4 21.Qe4 Nb3-/+) 19...de4 20.Ne4 Ne4 21.Qe4+= (worse is 21.Ne5 Rf8 22.Qe4 Nb3-/+)) 19.c4 Nc6 (19...Nd7 20.Bb2=) 20.d5 Nb8 (20...Ne7 21.Qe3+=) 21.h3 g6 (21...Nh5 22.Qe3+=) 22.Nf1 (22.Qe3 Nh5=) 22...Nbd7 (22...Bh6 23.Ne3+=) 23.g4 (23.Bb4 Bh6 24.N1d2 a5+=) 23...h5 (23...h6 24.Ne3+=) 24.Ne3 (24.g5 Nh7=) 24...a5 (24...Be7 25.Kg2+=) 25.g5= Nh7 26.Kh2 Nc5 (26...Be7 27.Rg1=) 27.Qc2 (27.Bc5 bc5 28.Ra4 Be7+=) 27...Be7+= 28.Rg1 Kh8 (28...Ra8 29.Bc5 bc5 30.h4+=) 29.Bb2 (29.Bc5 bc5 30.Ra4 Ra8+=) 29...Rg8 30.Rg2 f6 31.gf6 Bf6 32.Rag1 Qf7 33.Nd2? Bg5! 34.Kh1 Qf4 35.Bc1 Qh4 36.Rg3 Be3 37.fe3 Ng5 38.Nf1?? Nh3 39.Nh2 Ng1 40.Rg1 0–1. Reinke,Markus (2245) – Ostermeyer,Peter (2400), Duesseldorf, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    8.Be3 a6!? +=.

    8.Be3 Nf6 9.d5= Nb8 (9...Ne4? 10.dc6 bc6 11.Qa4+/-) 10.Ba7 Nbd7 11.Nbd2 b6 12.Ra3 (12.Bb5 Bb7 13.Bd7 Nd7=) 12...Qc7 (better is 12...0-0!? 13.Bb5 Qc7-+) 13.Bb6= Nb6 14.Ra8 Na8 15.Qa4 Nd7 16.Qa8 Qc3 17.Bb5 0-0 18.0-0 Nc5 19.Qa7 Bf6 20.h3 g5 21.Re1 (21.Qb6 Rd8=) 21...h5 22.Qa1 Qa1 23.Ra1 g4 24.hg4 hg4 25.Nh2 Bg5 26.Nhf1 f5 27.ef5 Bf5 (27...Rf5 28.Nc4 Ne4 29.Re1+/-) 28.Nc4 Nb3 (better is 28...Ne4!?=) 29.Ra6+/- Nd4 30.Nd6 Nb5 31.Nb5 Bd3 32.Rb6 Ra8+= 33.Ng3 Ra1 34.Kh2 Ra2 35.Rb8 Kh7 36.Nc3 Rf2 37.Nce4 Be4 38.Ne4 Bf4 39.Kg1 Re2 40.Rb4 Kg6 41.Kf1 Ra2 42.d6 Kf5 43.d7 Ra8 44.Ke2 Rd8 45.Nd6 Ke6? 46.Nb7+/- Rd7 47.Nc5 Ke7 48.Nd7 Kd7 49.Rb6 Ke7 50.Rg6 g3 51.Kf3 Kd8 52.Ke4 Ke8 53.Kf5 Kf7 54.Re6+- Kg7 55.Re7 Kh6 56.Rf7 1–0. Rocha,WC (2340) – De Souza,MG (2345), Sao Paulo–ch fin, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e5 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    8.d5 Nb8

    9.Qb3 a5 A) 10.h3 A1) 10...Nd7 11.Be3 (11.Qc2 Ngf6 12.Be3 0-0 13.Bb5 Qc7 14.Nbd2 Nc5 15.0-0) 11...Ngf6 12.Bd3 Qc7 13.0-0 0-0 14.Na3 Nc5 15.Qc4; A2) 10...Nf6 11.Bd3 (11.Be3 0-0 12.Bd3 Nh5 13.0-0 Nf4 14.c4 Na6 15.Bc2) 11...0-0 12.0-0 Nbd7 13.Be3 Nh5 14.Nbd2 Nf4 15.Bc2; B) 10.Be3 Nd7 11.Bd3 (11.h3 Ngf6 12.Qc2 0-0 13.Bb5 Qc7 14.Nbd2 Nc5 15.0-0) 11...Ngf6 12.h3 Nh5 13.0-0 Nf4 14.Qc2 Nd3 15.Qd3; C) 10.Bd3 C1) 10...Nd7 11.Be3 (11.Ba3 a4 12.Qc2 Ngf6 13.0-0 0-0 14.c4 Nh5 15.g3) 11...Ngf6 12.h3 0-0 13.Na3 Nh5 14.0-0 Nf4 15.Qc2; C2) 10...Nh6 11.Be3 (11.h3 Nd7 12.Be3 0-0 13.g4 f6 14.Nbd2 Nf7 15.Nc4) 11...Nd7 12.h3 Qc7 13.0-0 0-0 14.Na3 Nc5 15.Qc4; C3) 10...Nf6 11.h3 (11.Be3 Nbd7 12.h3 Nh5 13.0-0 0-0 14.Na3 Nf4 15.Qc2) 11...Nbd7 12.Be3 0-0 13.0-0 Nh5 14.Qc2 Nf4 15.Na3; D) 10.Bb5 D1) 10...Bd7 11.c4 (11.Bd3 Na6 12.Be3 Qc7 13.Nbd2 Nf6 14.Bb6 Qc8 15.Ra5) 11...Nf6 12.Nc3 0-0 13.0-0 Na6 14.Be3 Ng4 15.Bd7; D2) 10...Kf8 11.c4 (11.0-0 Nf6 12.Nbd2 g6 13.Re1 Kg7 14.Ba3 Na6 15.c4) 11...Nd7 12.0-0 Nc5 13.Qc2 Nf6 14.Nc3 Bg4 15.Be3; D3) 10...Nd7 11.c4 (11.Qc2 Ngf6 12.0-0 0-0 13.c4 Nc5 14.Nc3 Bg4 15.Be3) 11...Ngf6 12.Nc3 0-0 13.Ba3 Qc7 14.0-0 Nc5 15.Bc5.

    9.Qb3 Na6 A) 10.Be3 A1) 10...Nh6 11.h3 (11.Ba6 ba6 12.Bh6 gh6 13.Nbd2 Rg8 14.g3 Qb6 15.Qc4) 11...0-0 12.Ba6 ba6 13.Nbd2 Bd7 14.Ra6 Qc8 15.Qa3; A2) 10...Qc7 11.Bb5 (11.Nbd2 Nf6 12.Bb5 Bd7 13.h3 Bb5 14.Qb5 Qd7 15.Qb3) 11...Bd7 12.Nbd2 Nf6 13.0-0 Ng4 14.Bd7 Qd7 15.Ra5; A3) 10...Nf6 11.Nbd2 (11.Ba6 ba6 12.Nbd2 0-0 13.0-0 Qc7 14.Rfb1 Bd7 15.Qb7) 11...Ng4 12.Ba6 ba6 13.c4 Qc7 14.0-0 0-0 15.Rfb1; B) 10.Ba6 ba6 11.c4 (11.Be3 f5 12.ef5 Bf5 13.0-0 Nf6 14.c4 0-0 15.Nbd2) 11...Nf6 12.Nc3 Qc7 13.0-0 0-0 14.Bg5 Rb8 15.Qa4; C) 10.Ba3 C1) 10...Nh6 11.Nbd2 (11.Bd3 0-0 12.Nbd2 Qc7 13.Nc4 f5 14.Nce5 fe4 15.Be4) 11...0-0 12.Bd3 Qc7 13.0-0 Nc5 14.Bc5 Qc5 15.h3; C2) 10...Qc7 11.Bb5 (11.Nbd2 Nf6 12.Bb5 Bd7 13.0-0 Bb5 14.Qb5 Qd7 15.Rfb1) 11...Bd7 12.c4 Nf6 13.Nc3 Bb5 14.Qb5 Nd7 15.0-0; C3) 10...Nf6 11.Bb5 (11.Nbd2 0-0 12.Bb5 Bg4 13.0-0 Bf3 14.gf3 Qc8 15.Rfb1) 11...Nd7 12.0-0 0-0 13.Nbd2 Ndc5 14.Qc4 Bd7 15.Rfb1; D) 10.Bb5 D1) 10...Kf8 11.Ba3 (11.Be3 Nf6 12.Nbd2 Ng4 13.0-0 Ne3 14.fe3 Nc5 15.Qb4) 11...f5 12.Nbd2 Nf6 13.ef5 Bf5 14.Nh4 Bc8 15.Ba6; D2) 10...Bd7 11.Bd7 (11.Be3 Nf6 12.Nbd2 Ng4 13.c4 0-0 14.0-0 Ne3 15.Qe3) 11...Qd7 12.Ba3 Nf6 13.Nbd2 0-0 14.0-0 Rfc8 15.Rfb1.

    9.Qb3 Nd7 10.Ba3 A) 10...Qc7 11.Nbd2 (11.Bd3 Ngf6 12.Nbd2 0-0 13.Qc4 Nc5 14.Bc5 dc5 15.0-0) 11...Ngf6 12.Bd3 0-0 13.Qc4 Nc5 14.Bc5 dc5 15.0-0; B) 10...a5 11.Bb5 (11.Nbd2 a4 12.Qb5 Ngf6 13.Bb4 0-0 14.Ra4 Ra4 15.Qa4) 11...Ngf6 12.Nbd2 Qc7 13.0-0 0-0 14.h3 Nc5 15.Qc4; C) 10...Ngf6 11.Nbd2 (11.Bd3 0-0 12.Nbd2 Qc7 13.Qc4 Nc5 14.Bc5 dc5 15.0-0) 11...0-0 12.Bd3 Qc7 13.Qc4 Nc5 14.Bc5 dc5 15.0-0.

    9.Qb3 Nd7 10.Qc2 A) 10...a5 11.Bb5 (11.Be3 Ngf6 12.h3 0-0 13.Bb5 Qc7 14.0-0 Nc5 15.Nbd2) 11...Ngf6 12.0-0 0-0 13.c4 Nc5 14.Nc3 Bg4 15.Be3; B) 10...a6 11.Be3 (11.h3 Ngf6 12.Be3 Qc7 13.Nbd2 0-0 14.Be2 Nc5 15.0-0) 11...Ngf6 12.h3 Qc7 13.Nbd2 0-0 14.Be2 Nc5 15.0-0; C) 10...Ngf6 11.Be3 (11.Nbd2 0-0 12.Bb5 Nc5 13.0-0 a6 14.Re1 Bg4 15.Bf1) 11...0-0 12.Bb5 Qc7 13.0-0 Ng4 14.Bc1 f5 15.Bg5.

    9.Qb3 Nd7 10.Nbd2 A) 10...Qc7 11.Qc4 (11.Ba3 Ngf6 12.Qc4 Qc4 13.Bc4 a5 14.0-0 b6 15.Rfe1) 11...Qc4 12.Bc4 Ngf6 13.Ba3 Nb6 14.Bd3 Nh5 15.g3; B) 10...Ngf6 11.Ba3 (11.Bb5 a6 12.Qb4 0-0 13.Nb3 a5 14.Ra5 Ra5 15.Na5) 11...0-0 12.Bd3 Qc7 13.Qc4 Nc5 14.Bc5 dc5 15.0-0; C) 10...Nc5 11.Bb5 (11.Qb1 Nf6 12.Ba3 Nfd7 13.Nb3 Nb3 14.Qb3 0-0 15.Bd3) 11...Bd7 12.Bd7 Qd7 13.Qc2 Nf6 14.Ba3 Qb5 15.c4.

    9.Qb3 Nd7 10.Be3 A) 10...a5 11.Nbd2 (11.Bb5 Ngf6 12.Nbd2 0-0 13.h3 Qc7 14.0-0 Nc5 15.Qc4) 11...Ngf6 12.Bb5 0-0 13.h3 Qc7 14.0-0 Nc5 15.Qc4; B) 10...Nh6 11.Nbd2 (11.Bb5 0-0 12.0-0 a5 13.Bh6 Nc5 14.Qc2 gh6 15.Nbd2) 11...0-0 12.Bd3 Ng4 13.Ba7 Nc5 14.Qb1 Nd3 15.Qd3; C) 10...Ngf6 11.Nbd2 (11.Bd3 Ng4 12.Ra7 Ra7 13.Ba7 b6 14.h3 Nc5 15.Bb6) 11...0-0 12.Bd3 a5 13.h3 Qc7 14.Qb5 Qc3 15.0-0.

    9.Qb3 Nf6 10.Bd3 (10.Be3 A) 10...Nbd7 11.Nbd2 (11.Bd3 Ng4 12.Ra7 Ra7 13.Ba7 b6 14.h3 Ngf6 15.Na3) 11...0-0 12.Bd3 a5 13.h3 Qc7 14.Qb5 Qc3 15.0-0; B) 10...Na6 11.Nbd2 (11.Ba6 ba6 12.Nbd2 0-0 13.0-0 Bd7 14.c4 Qc7 15.h3) 11...0-0 12.Ba6 ba6 13.0-0 Bd7 14.Ra6 Rb8 15.Qc2; C) 10...0-0 11.Bb6 (11.Nbd2 Nbd7 12.Bb5 Qc7 13.0-0 Nc5 14.Qb4 a5 15.Qc4) 11...Qd7 12.Ra7 Ra7 13.Ba7 Na6 14.Nbd2 Qg4 15.h3; 10.Nbd2 A) 10...0-0 11.Ba3 (11.Bd3 Na6 12.Ba3 Nd7 13.0-0 Ndc5 14.Qc2 Qc7 15.Rfe1) 11...a5 12.Bb5 Qc7 13.0-0 Nbd7 14.h3 Nc5 15.Qc4; B) 10...Qc7 11.Ba3 (11.Bd3 Nbd7 12.Ba3 0-0 13.Qc4 Nc5 14.Bc5 dc5 15.Qb3) 11...Nbd7 12.Bd3 0-0 13.Qc4 Nc5 14.Bc5 dc5 15.0-0; C) 10...Nbd7 11.Ba3 (11.Bb5 a6 12.0-0 0-0 13.Bd7 Qd7 14.Re1 Qc7 15.Qc4) 11...0-0 12.Bd3 Qc7 13.Nc4 a6 14.0-0 g6 15.h3; 10.Ba3 A) 10...Nbd7 11.Bd3 (11.Nbd2 0-0 12.Bd3 Qc7 13.Qc4 Nc5 14.Bc5 dc5 15.Qb3) 11...0-0 12.Nbd2 Qc7 13.Qc4 Nc5 14.Bc5 dc5 15.Qb3; B) 10...0-0 11.Nbd2 (11.Bd3 Na6 12.0-0 Qc7 13.Nbd2 Nc5 14.Bc5 Qc5 15.Qb4) 11...Nbd7 12.Bd3 Qc7 13.Qc4 Nc5 14.Bc5 dc5 15.Qb3; C) 10...Qc7 11.Bd3 (11.Nbd2 Nbd7 12.Bd3 0-0 13.Qc4 Nc5 14.Bc5 dc5 15.Qb3) 11...Na6 12.Nbd2 0-0 13.Qc4 Nc5 14.Bc5 dc5 15.Qb3) 10...0-0 (10...Na6 11.Ba3 (11.Be3 Ng4 12.Ba6 ba6 13.Nbd2 Ne3 14.fe3 0-0 15.Rb1) 11...0-0 12.0-0 Nd7 13.Ba6 ba6 14.Nbd2 Rb8 15.Qc4; 10...Nbd7 11.Ba3 (11.Be3 Ng4 12.Ra7 Ra7 13.Ba7 b6 14.h3 Ngf6 15.Na3) 11...a5 12.0-0 0-0 13.Nbd2 Nh5 14.g3 a4 15.Qb5) 11.Be3 (11.0-0 Nbd7 12.Be3 a5 13.h3 Nh5 14.Na3 Nf4 15.Qc2) 11...a6 (11...Na6 12.0-0 (12.h3 Qc7 13.Nbd2 Nc5 14.Bc5 Qc5 15.0-0) 12...Ng4 13.Ba6 ba6 14.Nbd2-/+ Ne3 15.fe3) 12.Bb6 (12.Na3 Nbd7 13.Nc4 (13.h3 Nh5 14.0-0 Nf4 15.Bc2) 13...Ng4+= (13...Qc7 14.Nb6 Rb8 15.Ra4) 14.Bb6 Nb6 15.Nb6) 12...Qd7 (12...Qe8 13.Nbd2+= Nbd7 14.Nc4 Nh5 15.g3) 13.h3 (13.0-0 Qe8 14.h3 Nbd7 15.Be3) 13...Bd8 14.Be3 (14.Nbd2 a5 15.Bb5) 14...Qe7 (14...Qc7 15.Na3) 15.c4 (15.0-0 Nbd7=) 15...Nbd7+= 16.0-0 b6 17.Nc3 Nc5 18.Qc2 Nd3 19.Qd3 Nd7 20.Rfb1 (20.Bg5 f6 21.Be3 Nc5+=) 20...Nc5+= 21.Qc2 Bd7 (21...a5 22.Ra3+=) 22.Bc5= bc5 23.Rb7 Qe8 (23...a5=) 24.Rab1 (24.Nb5! Qe7 25.Qc3=) 24...Bc8 25.R7b2 f5 26.Nd2 (26.Rb3 Qg6 27.Nd2 Ba5-/+) 26...Ba5 27.f3 Bb4 28.Na2 Bd2 29.Qd2-/+ Qg6 30.Qe3 f4 31.Qf2 Bh3 32.Nc3 Bc8 33.Na4 Qf6 34.Rb6 Bd7?? 35.Nc5+/- Qe7 36.Na6 Rfc8 37.c5 dc5 38.d6 Qf7 39.Nc5 Ra2 40.R6b2 Rb2 41.Rb2 Ra8 42.Qh4?? h6?? 43.Rb7+- Ra1 44.Kh2 (44.Kh2 Ra2 45.Rd7+-) 1–0. Hall,O (2030) – Orton,W (2155), OCF Winter NAO FIDE Op, Stillwater USA, 2007. (=1.e4 c5 2.Nf3 Nc6 3.a3 e5 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 d6 8.d5 Nb8)

    9.Qb3 Nh6 A) 10.Bb5 A1) 10...Bd7 11.0-0 (11.Bh6 gh6 12.0-0 Na6 13.Ba6 ba6 14.Nbd2 Rb8 15.Qa2) 11...Na6 12.Ba6 ba6 13.Bh6 Rb8 14.Qa3 gh6 15.Nbd2; A2) 10...Kf8 11.0-0 (11.Nbd2 Nd7 12.Ba3 g6 13.0-0 Kg7 14.h3 Nf6 15.Bd3) 11...Nd7 12.Be3 Ng4 13.Ra7 Ne3 14.Ra8 Nc5 15.Qb4; A3) 10...Nd7 11.Bh6 (11.0-0 0-0 12.Bd7 Qd7 13.Bh6 gh6 14.Nbd2 Qc7 15.Rfb1) 11...gh6 12.0-0 0-0 13.Bd7 Qd7 14.c4 Qc7 15.Nc3; B) 10.Nbd2 B1) 10...0-0 11.Ba3 (11.Be2 Nd7 12.Ba3 a5 13.0-0 f5 14.h3 a4 15.Qc4) 11...Na6 12.Ba6 ba6 13.0-0 a5 14.Rfb1 Ba6 15.Qa4; B2) 10...a6 11.Nc4 (11.Qb4 0-0 12.Nb3 Nd7 13.Bd3 b6 14.0-0 a5 15.Qa3) 11...Nd7 12.Qb4 0-0 13.Be2 Nc5 14.Be3 Ng4 15.Bc5; B3) 10...Nd7 11.Ba3 (11.Bb5 0-0 12.Ba3 a6 13.Be2 Qc7 14.0-0 Nc5 15.Bc5) 11...Qb6 12.Bd3 0-0 13.Qc4 f5 14.0-0 Qd8 15.Qb3; C) 10.Be3 C1) 10...Na6 11.Ba6 (11.h3 0-0 12.Nbd2 Qc7 13.Ba6 ba6 14.Qc4 Qc4 15.Nc4) 11...ba6 12.Bh6 gh6 13.Nbd2 Rg8 14.g3 Qb6 15.Qc4; C2) 10...0-0 11.Bb6 (11.Ra7 Ra7 12.Bb6 Qe8 13.Ba7 Nd7 14.Nbd2 b6 15.Bb5) 11...Qe8 12.Ra7 Ra7 13.Ba7 Nd7 14.Nbd2 b6 15.Bb5; C3) 10...Nd7 11.Bc4 (11.Be2 0-0 12.0-0 a5 13.Bh6 Nc5 14.Qc2 gh6 15.Bb5) 11...0-0 12.h3 f5 13.Nbd2 a5 14.Bh6 Nc5 15.Qc2; D) 10.Bh6 gh6 11.Bb5 (11.Nbd2 Nd7 12.Bb5 0-0 13.0-0 Nc5 14.Qc2 f5 15.Ra3) 11...Nd7 12.0-0 0-0 13.Bd7 Qd7 14.c4 b6 15.Nc3.

    9.Be3 a6 10.Qb3 (10.Bb5 Bd7 11.Bd7 Nd7= (worse is 11...Kd7 12.Qb3 Qc8 13.c4+=) 12.Qd3 Ngf6 13.0-0) 10...Nd7+= 11.Nbd2 (11.h3 Ngf6 12.Nbd2 0-0 13.Be2) 11...Ngf6 12.h3 0-0 13.Qc2 (13.Be2 b6+=; 13.Bd3+=) 13...Qc7 (13...b6 14.Be2+=) 14.Nb3 (14.Be2 Nc5 15.0-0 Bd7-/+) 14...Re8 (14...b6 15.Be2-/+) 15.Nfd2 (15.Be2 Nc5 16.Nc5 dc5+=) 15...Bd8 (15...Nc5 16.Nc5 dc5 17.Be2-/+) 16.Bd3+= Nf8 (16...Nh5 17.0-0+=) 17.0-0 Ng6 18.Rfb1 h6 (18...Be7 19.Nc1+=) 19.Nc4 (19.Bb5 Rf8+=) 19...Nd7+= 20.Nba5 b5 21.Nd2 Bg5 (21...Nc5 22.Nc6=) 22.Bg5 hg5 23.c4 Nf4 (23...bc4 24.Ndc4 Nf4 25.Nc6=) 24.Bf1 (24.cb5 Qc2 25.Bc2 ab5 26.Rb5 Ne2 27.Kh2 Nd4+=) 24...Nb6 (24...bc4 25.Ndc4 Rb8 26.Rb8 Nb8 27.Qa4=) 25.Qb3 (25.Nc6 bc4 26.Nc4 Nc4 27.Qc4 g4=) 25...Nc4 (25...Na4 26.cb5 ab5 27.Bb5+/- (27.Qb5?! Bd7 28.Qb7 Qa5 29.Qd7 Red8+=)) 26.Ndc4 bc4 27.Nc4 Rd8 (27...g4 28.hg4 Rd8 29.Nb6+=) 28.Qb6 Qe7 29.Na5 Qf6 30.Nc6 Re8 31.f3 Ng6 32.Ba6 Ba6 33.Ra6 Nh4 34.Rba1+/- Ra6 35.Qa6 Qf4 36.Qe2 Kh7 37.Qf2 Qf6 38.Qe3 Ng6 39.Ra7 Ne7 40.Ne7 Re7 41.Re7 Qe7 42.Kf2 Qd8+= 43.Ke2 ½–½. Nanu,Ciprian (2320) – Milu,Romeo Sorin (2430), ROM–chJ Alba Iulia, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d6 8.d5 Nb8)

    5.Bb5 Nf6

    6.0-0 Qc7 7.ab4 (7.Bb2 Bd6=) 7...Be7 (7...Bb4 8.Bb2=+) 8.c3 (8.Bb2 d6=) 8...0-0 (8...Ne4 9.Re1 Nf6 10.Bc6 dc6 11.Ne5=+) 9.Re1= d6 10.Nh4? (10.d4!?=) 10...Bg4 (10...Ne4!? 11.Re4 d5 12.Bc6 bc6-+ (12...Qc6?! 13.b5 Qb6 14.Rea4=)) 11.Be2 Be6 12.Bf3 d5 13.ed5 Nd5 14.Bd5 Bd5 (worse 14...Bh4 15.Be6 fe6 16.g3=) 15.Nf5 Bf6 16.d3 (16.b5 Na5 17.Ba3 Rfd8-/+) 16...Be6-/+ 17.Ne3 Qd7 18.Qe2 Rfd8 19.Nd2 Qd3 20.Qd3 Rd3 21.b5 Ne7 22.Ne4 Nd5 (22...Ng6 23.Ba3-/+) 23.c4 Ne3 24.Be3 Bc4 (24...Be7 25.Bc5 Bh4 26.Be3-/+) 25.b6=+ a6 (25...a5 26.Nc5 e4 27.Rac1=+) 26.Nc5 e4 27.Rac1 (27.Ne4 Ba1 Discovered attack) 27...Re3 (27...Be6!?=) 28.Re3+= Bd5 29.Ne4 Bd4 30.Rd3 Be4 31.Rd4 Bc6 32.f3 (32.Rcd1 Kf8+=) 32...Kf8+= 33.Kf2 Re8 (33...a5 34.Ke3+=) 34.Rc3 (34.Rc6 bc6 35.b7 g6+-) 34...Re6 (34...a5 35.Rcd3+=) 35.Re3+- Ke7 (35...Re3 36.Ke3 Ke7 37.Rh4+-) 36.Re6 Ke6 (36...fe6 37.Rh4 h6 38.Rg4+-) 37.Ke3 (37.Rd8 h5+-) 37...Bd5 38.h4 (38.Rd3!?+-) 38...Kd6+= 39.g4 Kc6 40.f4 g6 (40...a5 41.Kd3+=) 41.f5 Kc5 42.Rd2 (42.Kd3 a5+=) 42...Bc6 (42...a5 43.Rd4=) 43.Kf4 (43.Rd8 a5 44.Rh8+-) 43...h6?? (better 43...a5=) 44.Ke5+- Bf3 (44...a5 45.Kf6 gf5 46.g5 hg5 47.h5+-) 45.Rd7 Bg4 46.Rf7 (better 46.fg6 fg6 47.Rb7+-) 46...Bf5?? (better 46...gf5 47.Rb7 h5+-) 47.h5+- Kb6 (47...Bb1 48.Rf1 Bf5 49.Rg1+-) 48.hg6 Bg6 49.Rf6 Kc5 50.Rg6 a5 51.Ke4 Kc4 52.Ke3 Kc3 53.Rg1 (better 53.Rg7+-) 53...a4 54.Ra1 (54.Rc1 Kb2 55.Kd2+-) 54...b5= 55.Rc1 Kb2 56.Kd2 ½–½. Demir,M (1830) – Emel,Erim Turgut (1605), Turkish Cup (10), 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bb5 Nf6)

    6.0-0 Ne4 7.ab4 Be7 8.Re1 Nd6 9.Bc6 dc6 10.Ne5 0-0 11.d3 Re8 12.Bd2 f6 13.Ng4 Nb5 14.Na3 Nc7 15.Nc4 Be6 16.h3 Qd7 17.Nge3 Bf8 18.Nf1 Nd5 19.Qb1 b5 20.Nce3 Nf4 21.Ng4 Bd6 22.Ng3 Bg4 23.hg4 Qg4 24.Qb3 Kf8 25.Qc3 c5 26.bc5 Be5 27.Re5 Re5 28.c6 Nd5 29.Qb3 Qd4 30.Ra5 a6 31.Qa3 b4 32.Qb3 Rc8 33.Ra6 Kg8 34.Ne4 Kh8 35.Bc1 Re4 36.de4 Nc7 37.c3 Qe4 38.Ra1 bc3 39.Qc3 Nb5 40.Qh3 Qc6 41.Be3 Rd8 42.Rc1 Nc3 43.Qg4 h6 44.Kh2 Qd6 45.g3 Nd5 46.Bc5 Qd7 47.Qg6 Ne7 48.Be7 Qe7 49.Qf5 Qd7 50.Qd7 Rd7 51.Rc5 Kh7 52.Kh3 Rd3 53.f4 Kg6 54.f5 Kh7 55.Kh4 Rd1 56.g4 g5 57.fg6 Kg6 58.Kg3 Rd3 59.Kf4 Rd4 ½–½. Windhausen,Georg (2485) – Oliveira,Joao Carlos de (2575), WC30/ct01 ICCF, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Ne4 7.ab4 Nf6 8.Ne5 Bb4 9.d4 0-0 10.Bg5 h6 11.Bh4 a5 12.c3 Be7 13.Nd2 Ne8 14.Bg3 Ne5 15.de5 d6 16.Nc4 de5 17.Be5 Be6 18.Qd8 Bd8 (worse is 18...Rd8 A) 19.Na5? Rd5 20.Be8 Re5-+ (20...Re8?! 21.Bd4+=); B) 19.Ra5 Rd5 20.Ba4=) 19.Rfe1 Bc7 20.Bd4 Nd6 21.Nd6 Bd6 22.Bb6 Rfc8 23.Ba5 Rc5 24.Bb4 Ra1 25.Ra1 Bh2 26.Kh2 Rb5 27.Ra5 Ra5 28.Ba5 h5 29.Kg3 f6 30.Kh4 g6 31.f3 Bf7 ½–½. Westera,Bert (2445) – Keuter,Klaus (2485), WC31/ct01 ICCF, 2011. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Ne4 7.Re1 Qb6 8.Re4 Qb5 9.ab4 Bb4 10.c3 Be7 11.c4 Qb6 12.Ne5 d6 13.Nc6 bc6 14.d4 d5 (14...Qc7 15.Qe2=+) 15.cd5= cd5 16.Re5 Be6 17.Nc3 (17.Qa4 Bd7 18.Qd1 Qc7=) 17...0-0 (17...Qc6!? 18.Qf3 Rc8-/+) 18.Nd5= Bd5 19.Rd5 Rfd8 20.Rd8 Rd8 Attacks the isolani on d4 21.Be3 Bf6 Increasing the pressure on the isolated pawn on d4 22.Ra4 g6 23.h3 Qb7 24.Qa1 Rd7 25.Qa2 h5 26.Ra6 Kg7 27.Qa4 Be7 (27...Qb1 28.Kh2 Re7 29.Qa3 Qb8 30.g3=) 28.Qa1 Kh7 29.d5 (29.Qa2 Bd6+=) 29...Qd5= 30.Ra7 Ra7 ½-½. Riha,Vojtech (2305) - Skalsky,Alexandr (2200), ch-CZE Junior, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Ne4 7.Re1 Qb6 8.Re4 Qb5 9.ab4 Bb4 10.Nc3 Bc3-+ 11.dc3 d5 12.c4 dc4 13.Ba3 (13.Ne5 Ne5 14.Qh5-+) 13...Be6 14.Ne5 Qd5 (14...Ne5 15.Qd6 Nf3 16.gf3 Qd7=) 15.Qe2? (better 15.Nc4 Rd8 16.Qe1=+) 15...Nd4-+ 16.Qe3 (16.Rd4 Qd4 17.Qe1-+) 16...Nc2 17.Qg5 Na3 18.Nf7 (18.Qg7 0-0-0 19.f3 Rhg8 20.Qh7 f5-+) 18...0-0 (18...Qe4? 19.Nd6 Kf8 20.Ne4+-; 18...Kf7 19.Qf4 Kg8 20.Re5-+) 19.Re5 (19.Nh6 Kh8 20.Qd5 Bd5-+) 19...Qd4 (19...Rf7 20.Rd5 Bd5 21.Qd5+/-) 20.Nh6 Kh8 21.Rf1 gh6 22.Qh5 (22.Qg3 Rg8 23.Qe3 Nc2 24.Qd4 Nd4-+) 22...Bg4 23.Qh6 (23.Rd5 Bh5 24.Rd4 b5-+) 23…Qe5 0-1. Riha,Vojtech (2240) - Blohberger,Felix (2475), 14th Teplice Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Ne4 7.Re1 Qb6!? 8.Re4 Qb5 9.ab4 Bb4 10.Ne5 0-0=+.

    6.0-0 Ne4 7.Re1 Nd6 8.Ne5 Be7 9.Bd3 Ne5 10.Re5 0-0 11.Bb2 Bf6 12.ab4 (better 12.Qg4 g6 13.Qb4 (worse 13.ab4 Nf5 14.Rf5 Bb2-/+) 13...Be5 14.Be5=) 12...Ne8?? (better 12...Be5 13.Be5 Re8-/+) 13.Rh5+- g6 (13...Bb2?? 14.Bh7 Kh8 15.Be4 Kg8 16.Rh8 Kh8 17.Qh5 Kg8 18.Qh7) 14.Bf6 Nf6 15.Rha5 a6 16.Nc3 Rb8 17.h4 (17.Qf3 b5+=) 17...d6 (17...b5!?=) 18.Qf3+- Ng4 19.Qg3 b5 20.Nd5 (20.Re1 Re8 21.Re8 Qe8+-) 20...Ne5 21.h5 (21.Qf4 f5+=) 21...Bb7 22.Nf4 Qf6 23.Re1 Kh8 (23...g5 24.Nh3 Nd3 25.Qd3=) 24.Be4 Nc4 25.Bb7 Na5 26.Nd5 Qd4 27.ba5 Rb7 (better 27...Qd2!? 28.Kf1 Rb7 29.Qd6 Kg7 30.Qf6 Kg8=) 28.Qd6+- Rbb8 (28...Qg7 29.Qa6 Rbb8 30.Nf4+-) 29.Re5+- Qh4 (29...Qd2?? 30.Qf6 Kg8 31.Ne7) 30.Nf6 (better 30.Qa6!? Rg8 31.Re7+-) 30…Rfd8 ½–½. Riha,Vojtech (2145) – Lalic,Bogdan (2415), 18th Prague Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bb5 Nf6)

    6.0-0 Be7 7.ab4 0-0 8.Bb2=+.

    6.0-0 Be7 7.ab4 d6 8.Re1 (8.Nc3 0-0+=) 8...0-0 9.c3 (9.Nc3 Qb6=) 9...Bd7 (9...Qb6 10.Qe2=+) 10.d3 (10.Na3 a5 11.ba5 Qa5=) 10...a6=+ 11.Bc4 Rc8 (11...b5!? 12.Bb3 a5=+) 12.h3 Na7 (12...b5 13.Ba2=) 13.Be3 Nb5 14.Qb3 Nc7 (14...h6 15.Qb2+=) 15.Bb6 h6 (15...Bc6 16.Nbd2+=) 16.Nh4 (16.d4 Bc6 17.de5 Ne4+-) 16...d5 (16...Ne4!? 17.Ng6 Nf6=) 17.ed5+- Nfd5 18.Bd5 Bh4 19.Nd2 (better 19.Bb7!? Rb8 20.Bc7 Qc7 21.Bd5+-) 19...Qf6= 20.Nf3?? (better 20.Bc5 Nd5 21.Qd5=) 20...Nd5-+ (20...Qb6?! 21.Nh4 Nd5 22.Qd5=) 21.Qd5 Bc6 (21...Qb6?! 22.Nh4 Qc7 23.Ra3=) 22.Qe5 Bf3 23.gf3 (23.Qf6 Bf6 24.Bc5-+) 23...Qb6 24.Qd4 Qd4 25.cd4 Bf6 (25...Rc2!? 26.Rac1 Bf2 27.Kf1 Be1 28.Rc2 Bb4 29.Rc7-+) 26.Re4 (26.Ra2 Rfd8-+) 26…Rfd8 0–1. Pijpers,Arthur (2475) – Haast,Anne (2380), 8. Batavia Blitz, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Be7 7.ab4 Ne4 8.Re1 Nd6 9.Bd3 Nb4 10.Ne5 Nd3 11.Nd3 0-0 12.Nc3 Nf5 13.Nd5 Bg5 14.Bb2 d6 15.Ra4 (15.f4 Be6 16.Qf3 Bh4=) 15...Be6 16.N3f4 Qd7 17.Qa1 Qc6 18.Ne3 Bh6 (18...b5 19.Ra6 Qe4 20.Nf5 Qf5 21.Ne6 fe6 22.Re2-/+) 19.Nh5 (19.Ne6!? fe6 20.Nf5 Rf5 21.Ra7 Ra7 22.Qa7 Qc2 23.Qb7=) 19...Ne3-/+ 20.de3 f6 21.Bd4 a6 22.Rb4 b5 23.Bf6 (23.Rb2 a5-+) 23...gf6 (worse 23...Rf6 24.Nf6 Kf7 25.Ne4+/- (25.Nh7?! Bf5=)) 24.Nf6 Kf7 25.Rh4? (better 25.Nh7 Bg7 26.Qb1-+) 25...Kg6 26.Qd4 (26.Ne4 Bf5 27.Qd1 Be4 28.Qh5 Kg7 29.Qh6 Kh8-+) 26...Qc4 (better 26...Qc2 27.Ne4 Bg5 28.Rh7 Kh7 29.Ng5 Kg8-+) 27.Nh7? (27.Nd7 Bd7 28.Qd6 Qe6 29.Rd4-+) 27...Kh7 28.Re4 (28.g4 Kg6 (worse 28...Qc2 29.f4 Rg8 30.g5-+) 29.f4 Qd4 30.ed4 Bf7 31.f5 Kg5-+) 28...Qd4 (28...Qc2 29.f3 Rg8 30.g3-+) 29.ed4 (29.Rd4 d5-+) 29...Bf7 (29...Bf5 30.Re7 Kg6 31.R7e2-+) 30.h4 Rfe8 (30...a5 31.Re7-+) 31.g4 (31.Re7 Kg8 32.Re8 Re8-+) 31...Re4 (31...Bd2 32.Re8 Re8 33.Re8 Be8 34.Kf1-+) 32.Re4 Re8 33.Re8 Be8 34.g5 (34.Kf1 a5 35.g5 a4 36.gh6 a3-+) 34…a5 0-1. Riha,Vojtech (2195) - Oboladze,Luka (2320), 29th EY Open U18, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Be7 7.d4 ed4-/+ 8.e5 Nd5 9.Nd4 Qb6 (9...Ne5 10.Re1 Ng6 11.Nf5+-) 10.Bc6 dc6 (10...bc6?! 11.Nf5 Ba6 12.Ne7 Ne7 13.Re1=) 11.ab4 0-0 12.b5 (12.c3 Rd8-/+) 12...Rd8 (12...cb5 13.Bb2-+) 13.Nb3? (better 13.bc6!? bc6 14.Nb3-/+) 13...cb5-+ 14.Qf3 Be6 15.Bb2 (15.Nc3 f6 16.Nd5 Bd5-+ (16...Rd5?! 17.Be3 Qc7 18.Nd4 Qe5 19.Ne6 Qe6 20.Ba7-/+)) 15...Nb4 16.Na3 Rac8 17.Rac1 Bg5 18.Rcd1 Nc2 19.Nc2 Rc2 20.Bd4 Qc7 21.Nc5? (21.Be3 Rd1 22.Rd1 Be3 23.Qe3 Bb3 24.Qb3-+) 21...Rc5 22.Bc5 Qc5 23.Rd8 Bd8 24.Qb7 Bb6 25.Kh1 (25.Qb8 Qf8 26.Qb7 b4-+) 25...g6 26.f4 Qd5 27.Qb8 (27.Qd5 Bd5 28.Rb1 Bc4-+) 27...Kg7 28.Qd6 Qd6 29.ed6 b4 30.Rd1 (30.Rb1 b3 31.h4 a5-+) 30...b3 31.d7 Bd8 32.Ra1 (32.Rb1 a5 33.Ra1 Bd7-+) 32...Bd7 33.Ra7 b2 34.Rb7 Bf6 0–1. Riha,Vojtech (2215) – Sramek,Vojtech (2215), ch–CZE Junior (6), 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bb5 Nf6)

    6.ab4 Bb4 7.c3 +=.

    6.Qe2 Bc5 7.Bc6 bc6 8.ab4 Bb4 9.0-0 (9.Ne5 0-0 10.c3 Be7=) 9...0-0 (9...Qc7 10.d4 ed4 11.e5+=) 10.Ne5= a5 11.d4 Re8 12.Qf3 Ba6 13.Rd1 d6 (13...d5 14.Nc6 Qc7 15.c3 de4 16.Qg3-/+) 14.c3 de5 15.de5 Nd7 16.cb4 ab4 17.Qh3 Re6 18.Qb3 Qe7 (18...Re5?! 19.Qb4 Qe8 20.Nc3+=) 19.f4 c5 20.Nd2 Qf8 21.Bb2 Nb6 22.f5 Ree8 (22...c4 23.Qe3 Rc6 24.Bd4+=) 23.Qg3 (23.f6 c4 24.Qe3 Re6=) 23...Bb5 24.e6 fe6 25.f6 Na4 26.fg7 Qf7 27.Be5 Nb6 28.Ra8 Ra8 29.Ra1 Ra1 ½–½. Scherer,Andreas (2440) – Wolczek,Stanislaus (2375), RSS7E pro–137, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.a3 e5)

    5.Bc4 ba3

    6.0-0 Be7 7.d4 d6 8.d5= Nb8 9.Ne1 Nf6=+ 10.f3 Qb6 11.Kh1 h5 12.Nd3=+ Nbd7 13.Na3 a6 14.Bb3 h4 15.Nc4 Qc7 16.Be3 Nh5 17.f4 b5 18.Na3 ef4 19.Nf4 Nf4 20.Bf4 Rb8 21.c4 b4 22.Nc2 Bf6 23.Nd4 Nc5 24.Bc2 Bd7 25.Nf5 Bf5-+ 26.ef5 b3 27.Bb3 Rb3 28.Ra6 Na6 29.Re1 Be7 30.f6 gf6 31.Qb3 Nc5 32.Qb5 Kf8 33.Qc6 Qc6-+ 34.dc6 Ne6 35.c7 Kg7 36.Bd2 Rc8 37.Ba5 Kf8 38.Re4 f5 (38...f5 39.Re1 Nc7-+; 38...Nc7?! 39.Rh4 Ne8 40.Rd4-+) 0–1. Nanu,Ciprian (2325) – Farkas,Tibor (2340), Szeged TT04 IM, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.0-0 Nf6 A) 7.Re1 A1) 7...Qb6 8.Na3 (8.Qe2 Bb4 9.Na3 d6 10.c3 Bc5 11.Rb1; 8.Ng5 Bc5 9.Qf3 Nd4 10.Qd3 Nc2 11.Qc2; 8.d4 ed4 9.e5 Ng4 10.Re4 d3 11.Bf7) 8...Bc5 9.Rb1 Qd8 10.c3 0-0 11.d4; A2) 7...Be7 8.Na3 (8.Ba3 Ba3 9.Ra3 d6 10.Nc3 0-0 11.Qe2; 8.Nc3 0-0 9.Nd5 d6 10.Ba3 Bg4 11.h3) 8...Ne4 9.Re4 d5 10.Ne5 Ne5 11.Re5; A3) 7...Bd6 8.c3 (8.Na3 0-0 9.c3 Bc5 10.Nb5 d6 11.d4) 8...Na5 9.Ba2 Qe7 10.d4 Nc6 11.Na3; A4) 7...Bc5 8.Ba3 Qb6 9.Qe2 0-0 10.Nc3 Ba3 11.Ra3; A5) 7...a6 8.Bd5 (8.Ba3 Ba3 9.Na3 d6 10.c3 0-0 11.d4; 8.d4 Qc7 9.Ng5 Nd8 10.de5 Qe5 11.c3) 8...d6 9.Ba3 Be7 10.d4 Qc7 11.Qd3; B) 7.Qe2=+ Bc5 8.Ba3 d6 9.Bc5 dc5 10.Bb5 Bd7 11.Bc6.

    6.Na3 Bc5 7.0-0 Nf6 8.d3 h6 9.c3 Qe7 10.Nb5 0-0 11.Nc7 Rb8 12.Nd5 Nd5 13.ed5 Nd8 14.Ne5 Qe5 15.d4 Bd4 16.cd4 Qf6 17.Ra7 b5 18.Bb3 Nb7 19.Qd3 Nd6 20.Bc2 g6 (better is 20...Re8!?+=) 21.Bh6+- Re8 22.Qg3 Rb6 23.Bf4 Nc4 24.Bc7 Rb7 25.Rb7 Bb7 26.Rb1 Bd5 27.h4 Nd2 28.Be5? (better is 28.Rc1!? Qd4 29.Rd1=) 28...Qc6-+ 29.Rc1 Nb3! 30.Qg5?? (30.Bb3 Qc1) 30...Nc1 31.Qh6 (31.Qc1 d6 32.Bf6 Bg2 33.Qd1-+) 31...Re5 32.de5 Qc2 (32...Qc2 33.Qe3 Ne2 34.Kh2 Qd1-+) 0–1. Lequeux,Olivier – Hauroo,Harris, Paris Department–ch, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 ba3)

    6.Na3 Be7 7.0-0 Nf6 8.d4 d6 9.h3 (9.d5 Na5 10.Bb5 Bd7 11.Bd7 Qd7=) 9...0-0 (9...Ne4 10.Bd5=+) 10.Bb2 (10.d5!? Nb4 11.Qe2=) 10...Ne4 11.Qe2 (11.Bd5 Nf6 12.Bc6 e4=+) 11...Ng5 (11...d5!? 12.Bd3 ed4 13.Be4 de4 14.Qe4-+) 12.Ng5-/+ Bg5 13.de5 de5 14.Rfd1 Qf6 15.Nb5 Be6 16.Be6 fe6 (worse 16...Qe6 17.Nc7 Qf5 18.Na8 Ra8 19.Qb5+=) 17.Nd6 b6 18.Ne4 Qg6 19.Ng5 Qg5 20.Rd6 (20.Qc4 Rac8 21.Qe6 Kh8=+) 20...Rac8 21.Qb5 Na5 22.Re6 (22.Rd7 Rc5 23.Qd3-/+) 22...Qf5 (22...Rc2 23.Rf1 Nc4-/+) 23.Qe5=+ Qe5 24.Be5 Rc2 (24...Kf7 25.Rd6=+) 25.f4 (25.Re7 Rff2 26.Rg7 Kf8 27.Ra7 Rg2 28.Kh1 h5=) 25...Rcc8 (25...Nc6 26.Rc6 Rc6 27.Ra7-/+) 26.Rd1 (26.Re7!? Rf7 27.Rf7 Kf7 28.Rd1=+) 26...Rf7=+ 27.Rd3 (27.Red6 Nc6-/+) 27...Nb7 (27...Nc4!?-/+) 28.Ra3 Nc5 29.Rd6 Kf8 30.Rd1 Rb7 31.Rc3 Kf7 32.Rg3 g6 33.Rf1 (33.f5 gf5 34.Rd6 Ne6=+) 33...Ke6 34.Re3 Kd7 (34...Rd7 35.Rb1-/+) 35.Rd1 Ke8 36.Bd6 Kf7 37.Rde1 Kg8 (37...a5 38.Re7 Re7 39.Re7 Kf6 40.Rh7-/+) 38.Re7= Re7 39.Re7 a5 40.Be5 a4 (40...Nd3 41.Rg7 Kf8 42.Rh7 Rc1 43.Kh2 Ne5 44.fe5=+) 41.Rg7= Kf8 42.Rh7 Ra8?? (better 42...Ke8=) 43.Rh8+- Kf7 44.Ra8 b5 (44...Ke6 45.Bd4 Nd3 46.Bb6 Nf4 47.Ra4+-) 45.Ra5 1–0. Okus,Melih (1985) – Ibik,Halit Yavuz (1655), Turkey Cup, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 ba3)

    6.c3 Na5 7.Bf7 Kf7 8.Ne5 Ke6 9.Qg4 Ke5 10.Qf5 Kd6 11.Ba3 Kc6 12.Bf8 Ne7 13.Be7 Qe7 14.Ra5 (worse is 14.Qa5 Qe4 15.Kf1 Re8 16.Qa4 Qa4 17.Ra4 b5-/+) 14...Kc7 15.Rc5 Kd8 16.Rd5 d6 17.Qf4 Rf8 18.Qd6 (18.Qd6 Qd6 19.Rd6 Ke7 20.Rd5+-; 18.Rd6?! Ke8 19.Qg3 Qe4 20.Qe3 Qe3 21.de3 Ke7+=) 1–0. Hurt,E – Mitchell,Deryl, USA corr, 1987. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    6.c3 Bc5 7.0-0+= Qe7 (7...Qb6 8.d3+=) 8.d4= ed4 9.cd4 Bb4 10.Na3 Nh6 (10...Nf6 11.Nb5 Kd8 12.Ng5+/-) 11.Nc2 (11.Bh6 gh6 12.Nc2 Bc3+/-) 11...0-0 (11...Ng4 12.e5+/-) 12.Bd3 (12.Ra4 Bd6 13.Qd3 Ng4+/-) 12...Bd6 (12...Bc3 13.Ra3 Bb4 14.Rb3+/-) 13.e5 Bc7 14.Bg5 Qe8 (14...f6 15.ef6 Qd6 16.Bc4 Kh8 17.Ne3+-) 15.Qd2 (15.Re1 Ba5 16.Re2 b6+/-) 15...Ng4 16.Rfe1 f6 17.Bc4 (17.ef6 Qh5 18.Bc4 Kh8 19.fg7 Kg7+/-) 17...Kh8 18.ef6 Qh5 19.fg7 Kg7 20.h4 (20.h3 Rf3 A) 21.hg4?! Qh2 (21...Qg4?? 22.Re8 d5 23.Bh6 Kf7 24.Rc8 Rc8 25.Bd5 Kg6 26.Bf3 Bh2 27.Kf1+-) 22.Kf1 Bf4 23.Bf4 Rf4+= (23...Qf4? 24.Ne3 Re3 25.Re3+-); B) 21.gf3+/-) 20...h6= 21.Be7 Rf3 22.gf3 Nh2 23.Qe3 (23.Qe2 d5 24.Bd3 Nf3 25.Kh1-+) 23...Qf3?? (23...d5 24.Bd3 Nf3 25.Kh1 Nh4 (25...Ne1?! 26.Re1 Bg4 27.Kg1-+) 26.Bh4 Qh4 27.Kg2 Qh2 28.Kf1 Bh3 29.Ke2 Bg4 30.Kd2 Bf4-+) 24.Ra3 (better is 24.Qe4+/-) 24...Qg4? (24...d5 25.Qf3 Nf3 26.Rf3 dc4+/-) 25.Kh1+- Qh5?? 26.Rg1 Ng4 27.Be2 d5 28.Nb4 (28.Nb4 Kf7 29.Qf3 Qf5 30.Nd5 (worse is 30.Qg4 Qg4 31.Bg4 Ne7+-; 30.Rg4 Ne7 31.Rc3 Qf3 32.Rf3 Ke6+/-) 30...Nd4 31.Qf5 Bf5 32.Rg4 (32.Nc7?! Ne2 33.Na8 Ng1+/-) 32...Ne2 33.Rf3+- (33.Nc7?! Bg4 34.Na8 Ke7+/-)) 1–0. Nanu,Ciprian (2420) – Brajovic,Radovan (2360), MI Festival GM Bucharest ROM, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 ba3)

    6.c3 Nf6 7.Qb3 d5 8.ed5 Na5 9.Qa4 Bd7 10.Bb5 a6 11.Bd7 Nd7 12.Ne5 b5 13.Qf4 Qe7 14.d4 Ne5 15.de5 (15.Qe5? Nb3 16.Ra3 Nc1 17.Qe7 Be7-+) 15...Qb7 16.Ba3 Ba3 17.Na3 (worse is 17.Ra3 Nc4 18.Ra1 Qd5-/+) 17...Qd5 18.0-0 0-0 19.Rfe1 Rfe8 20.Qd4 Qe6 21.Qe3 Nc6 22.f4 Ne7 23.Nc2 Nd5 24.Qf3 Qb6 25.Kh1 Qc5 26.Nd4 Nc3 27.Nf5 b4 28.Qg4 Qf8 29.Nd6 Red8 30.f5 a5 31.Qc4 h6 32.f6 g6 33.Nf7 Qf7 34.e6 Qf6 35.e7 Qf7 36.ed8Q Rd8 37.Qa6 Nd5 38.Rf1 Nf4 39.Rad1 (better is 39.Ra5 Qe6 40.Qe6 Ne6 41.Rb5+-) 39...Rd1= 40.Rd1 Qc7 41.g3 Nh5 42.Qe6 Kf8 43.Qg6 Ng7 44.Qd6 Qd6 45.Rd6 1–0. Dahl,Pierre (1730) – Viklund,Lars (1710), WC.2006.P.00015, 2003. (=1.e4 c5 2.b4 e5 3.Nf3 cb4 4.a3 Nc6)

    6.c3 Nf6 7.d3 -/+.

    6.Nc3 a6 7.Ba3 Ba3 8.Ra3 Nf6 +=.

    6.d4 Qc7 7.de5 Ne5 8.Bd3 (8.Bb3 Nf6 9.Nfd2 Bc5 10.h3 Ng6 11.Ra2) 8...Nf3 9.Qf3 Nf6 10.Ba3 Qe5 11.c3.

    6.d4 ed4!? 7.0-0 Nf6-/+ 8.Nd4 Bc5 9.Nb3 d6 10.N1d2 0-0 11.Nc5.

    6.d4 ed4!? 7.0-0 Nf6-/+ 8.Re1 Bb4 9.Bd2 Bd2 10.Qd2 0-0 11.Nd4.

    6.d4 ed4 7.0-0 Nf6 8.Ng5 Ne5 9.Bb3 h6 10.f4 hg5 11.fe5 Qc7 12.Bg5? (better is 12.ef6!? Qh2 13.Kf2 Qh4 14.Kg1-/+) 12...Qe5 13.Bf4 Qc5 (13...Qe4? 14.Re1+-) 14.Qd3 Bd6 15.Na3 Bf4 16.Rf4 Rh5 17.Raf1 d6 18.Bd5 Qc3 19.Qb5 Ke7 20.Nc4 Bd7 21.Qb7 Rah8 22.R4f3 Qc2 23.Rf6 gf6 24.Qc7 Rh2 25.Qd6 Kd8 26.Qb8 Bc8 27.Qd6 Bd7 28.Qf6 Kc7 29.Qd6 Kd8 30.Qb8 Bc8 31.Qd6 Bd7 32.Qb8 Bc8 33.Qd6 Bd7 34.Qf6 Kc7 35.Qe5 Kd8 36.Qf6 ½–½. Zajarnyi,Anatolyi (2395) – Klima,Lukas (2285), Pardubice Czech op, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 ba3)

    6.d4 ed4!? 7.Nd4 Nf6 8.Nc6 (8.0-0 Bc5 9.Nb3 d6 10.N1d2 0-0 11.Nc5) 8...dc6 9.Bf7 Kf7 10.Qd8 Bb4 11.Qd2.

    6.d4 Be7 7.c3 Na5 8.Bd3 ed4=+ 9.cd4 d5 10.e5 Bb4 11.Kf1 Ne7-/+ 12.Na3 Bf5 13.Nc2=+ Nac6 14.Nb4 Nb4 15.Bf5 Nf5 16.Ba3 Nc6-/+ 17.g3 Nfe7 18.Kg2=+ 0-0 19.Qd3 Qd7 20.Ng5 g6 21.h4 Qf5 22.Qd2 h6 23.f3?? h5?? 24.Rhe1 Rac8 25.Kg1 Rfe8=+ 26.Re2 Nd8 27.Rg2 Ne6 28.g4 Ng5-/+ 29.hg5 Qf3 30.Be7 Re7 31.gh5 Qh5 32.Qf4 Rc3 33.Rh2 Rh3 34.Rh3=+ Qh3 35.Ra7 Qc8 36.Ra2 Rc7-/+ 37.Rf2 Rc1 38.Kg2=+ Qc7 39.Qf6 Qd7-/+ 40.Qf4 Rc3 41.Kg1 Qc7 42.Ra2 Rc1 43.Kf2 Rc2 44.Rc2 Qc2 45.Ke1 Qf5 46.Qd2 b5 47.Kd1 Qb1-+ 48.Qc1? Qd3 49.Qd2-/+ Qc4 50.Qf4 Qc6 51.Qc1 Qc4 52.Qf4-/+ Qc8 53.Qf3 Qc6 54.Kd2 b4 55.Qb3 Qb5 56.Qd3 Qb6 57.Kc2 Kf8 58.Kb3 Qa5 59.Kb2 Ke7 60.Qf3 Ke8 61.Qf6 Qa3 62.Kb1 Qb3 63.Kc1 Qc3 64.Kb1 Qd3 65.Kc1 b3 66.Qc6=+ Kf8 67.Qc5 Kg7 68.Kb2 Qf3 69.Ka3= Kh7 70.Kb2 Kg7 71.Ka3. Zajarnyi,A (2395) – Alexandrova,O (2400), AB Puchko Mem, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 ba3)

    5.Bc4 Qc7

    6.ab4 Bb4 7.c3 Ba5 8.d3 (8.0-0 Nf6 9.d3 a6 10.Bg5 Rg8 11.Qb3 d6 12.Bd5 h6 13.Bf6=) 8...Nf6 9.Bg5 d6 10.Qb3 a6 11.Bd5 Nh5 12.Nbd2 Bg4 13.h3 =.

    6.ab4 Bb4 7.c3 Bc5 8.0-0 Nf6 9.d4 Be7 10.Qd3 0-0 11.Bg5 d6 12.Nbd2 Na5 13.Rfb1 +=.

    6.ab4 Bb4 7.c3 Be7 8.Qb3 Nd8 9.0-0 Nf6 10.d4 d6 ½–½. Zajarnyi,Anatolyi (2395) – Diulger,Alexey (2300), Techirghiol, 1999. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Qc7)

    6.ab4 Bb4 7.c3 Be7 8.Qb3 Nh6 (8...Nd8 9.d4 ed4 10.Nd4 Nf6 11.Nd2 0-0 12.Nb5 Qb6 13.0-0+=) 9.d4 0-0 (9...Rf8 10.Na3 Ng4 11.Nb5 Qb8 12.d5 Nd8 13.Ba3+/-) 10.Bh6 gh6 11.0-0 (11.Nbd2 d6 12.Bd5 Bf6 13.Qc4=) 11...d6 (11...ed4 12.Qc2 Ne5 13.Ne5+=) 12.Bd5 (12.Bd3 a6 13.Nbd2=) 12...Bg4 (12...Kg7 13.Re1=) 13.Nbd2 Kg7 14.Rfb1 Bc8 15.Nc4 Bf6 16.Rd1 Bg4 17.Ne3 h5 18.h3 Bc8 19.Qc4 Bd8 (19...a5 20.Ra3+=) 20.Qe2 Kh8 21.Nh2 Ne7 22.Qh5 f5 23.Qh6 Ng6 24.ef5 Bf5 25.Nf5 Rf5 26.Be4 Qf7? (26...Bg5 27.Qh5 Nf4+/-) 27.Bf5 Qf5 28.de5 de5 (28...Qe5 29.Re1 Bg5 30.Re5 Bh6+-) 29.Ra7 Qf2 (29...Qc8 30.Ra8 Qa8+-) 30.Kf2 Bb6 31.Kg3 Ba7 (31...Rg8 32.Ng4 Bf2 33.Nf2 Nf4 34.Kh2 Nh5 35.Rb7 Ng7 36.Rd8 e4 37.Qg7) 32.Rd7 (32.Rd7 Ne7 33.Re7 Rg8 34.Ng4 Bf2 35.Kf2 Rg4 36.Qh7) 1–0. Hrabinska,M (2260) – Buksa,N (1895), Vasylyshyn Mem w, Lviv UKR, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Qc7)

    6.ab4 Nb4 A) 7.d3 b5 8.Bb3 Nf6 9.0-0 Be7 10.Na3 Rb8 11.d4 Ne4 12.Ne5 d5 13.Qf3+=; B) 7.Bb3 B1) 7...Nf6 8.Bb2 (8.0-0 Bc5 9.d3 Nc6 10.Bg5 Be7 11.Nc3 0-0 12.Nb5 Qd8 13.Qe2+=) 8...Ne4 9.Be5 d6 10.Bd4 Nc6 11.0-0 Nd4 12.Nd4 Qc5 13.c3+=; B2) 7...Bc5 8.Bb2 (8.d3 Nc6 9.c3 Nf6 10.0-0 0-0 11.d4 Be7 12.Qd3 ed4 13.cd4+=) 8...Nc6 9.0-0 Nf6 10.d4 ed4 11.Nd4 Qf4 12.g3 Qg5 13.Nf3+=; C) 7.Na3 Nf6 8.Bb2 d6 9.Ng5 Bg4 10.Bf7 Qf7 11.Nf7 Bd1 12.Nh8 Bc2 13.f3+=) 7.c3 Be7 (7...Bc5 8.0-0 Nf6 9.d4 Be7 10.Qd3 0-0 11.Bg5 d6 12.Nbd2 Na5 13.Rfb1+=; 7...Ba5 8.d3 (8.0-0 Nf6 9.d3 a6 10.Bg5 Rg8 11.Qb3 d6 12.Bd5 h6 13.Bf6=) 8...Nf6 9.Bg5 d6 10.Qb3 a6 11.Bd5 Nh5 12.Nbd2 Bg4 13.h3=.

    6.ab4 Nd4 7.d3 b5 8.Nd4 bc4 9.Nb5 Qb8 10.dc4 a6.

    6.ab4 Nd4 7.d3 b5 8.Nd4 bc4 9.Nf5 Bb4 10.c3 Bf8 11.dc4 Qc4 12.f3 Qe6 13.Ba3 +=.

    6.c3 A) 6...Na5 A1) 7.Bd5 ba3 8.Ng5 Nh6 9.Qh5 g6 10.Qf3 f5; A2) 7.Ba2 ba3 (7...bc3 8.Nc3 Nc6 9.Nd5 Qd8 10.d4 d6) 8.Na3 a6 9.0-0 d6 10.d4 Nf6; A3) 7.Be2 ba3 8.Ba3 Nf6 9.Bf8 Rf8 10.0-0 Nc6; B) 6...Nf6 7.Qb3 (7.Ng5 Nd8 8.Qb3 Ne6 9.Ne6 de6 10.ab4 Ne4) 7...Ne4 8.Bf7 Kd8 9.0-0 bc3 10.Nc3 Nc5.

    6.0-0 Nf6

    7.ab4 Bb4 8.c3 Be7 9.Na3 0-0 10.Re1 a6 11.d4 d6 12.Bd5 Na5 13.c4 Bg4 14.h3 Bf3 15.Qf3 Nd5 16.cd5 Bf6 17.Bh6 ed4 18.Rec1 Qd8 19.Bd2 b5 20.Ba5 Qa5 21.Nc2 Qc3 22.Qd1? (better is 22.Ne3!? de3 23.Rc3 Bc3 24.Ra3 ef2 25.Kf2 Bd4 26.Ke2-/+) 22...d3-+ 23.Ne1 Qd4 24.Nd3 Qe4 25.Ra2 Qd5 26.Rd2 Qe4 27.Rc7 Rfc8 28.Re2 Qd4 29.Qe1 0–1. Meszaros,Andras (2275) – Palkovi,Jozsef (2405), Zalakaros op, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Qc7)

    7.d3 Na5 8.Ba2 ba3=+ 9.Ng5 d5 10.ed5 Bd6.

    7.Qe2 Na5 8.Bd5 Nd5 9.ed5 b3 10.Ne5 Be7.

    7.Qe2 a6 8.Bb2=+ (8.ab4 Bb4 9.c3 Bc5 10.Ng5 Nd8) 8...ba3 9.Na3 Ba3 10.Ra3 d6.

    7.Qe2 Be7 8.ab4 Bb4 9.c3 Bc5=+ 10.Rd1 0-0.

    7.Qe2 Be7 8.ab4 Bb4 9.c3 Be7 10.d4 d6 11.Ng5 0-0 12.Nf7 Rf7 13.Bf7 Kf7 14.Qc4 Kg6 15.d5 b5 16.Qb5 Nb8 17.Qd3 Nbd7 18.f3 a5 19.Qd2 Nc5 20.Qc2 Ba6 21.Rd1 Rb8 22.Na3 Nb3 23.Ra2 a4 24.f4 (24.Be3 Kf7-/+) 24...Qc5 25.Kh1 Nc1 26.Rc1 (better is 26.Qc1!? ef4 27.Qc2-+) 26...Qe3-+ (26...ef4 27.e5 Kf7 28.ef6 Bf6 29.Qa4 Qd5 30.Rf2+/-) 27.fe5 de5 (worse is 27...Ne4 28.c4 de5 29.Rca1-+) 28.Nb1? (28.Rca1 Qe4 29.Re1 Qc2 30.Nc2 Bd3-+) 28...Bd3 29.Qd1 (29.Qd2 Bc5 30.Qe3 Be3 31.Nd2-+) 29...Qe4 (better is 29...Ne4 30.Na3 Ba3 31.Qg4 Ng5-+) 30.Nd2 Qd5 31.Ra4 Rb2 32.c4 Qc6?? 33.Nf3+= Ng4 34.Qd3 e4 35.Qd4 Bf6 36.Nh4 Kh6?? 37.Nf5+= Kg6 38.Ne7? Be7-+ 39.Qb2 Qa4 40.Qb7 Nf2 41.Kg1 Bc5 42.Kf1? h6 43.Qd5 Qa3 44.Qe6 Kh7 45.Qf5 Kg8 46.Qe6 Kf8 47.Qf5 Kg8 48.Qe6 Kf8 49.Qf5 Ke7 50.Qe5 Kd7 51.Qg7 Kc8 52.Qg8 Kd7 53.Qf7 Kc8 54.Qe6 Kc7 55.Qf7 Kc8 56.Qe6 Kc7 ½–½. Suwara,Piotr (1780) – Moskwinski,Tadeusz (2210), Liga Mazowiecka Poland, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Qc7)

    7.Qe2 Be7 8.d4 0-0 (8...ed4 9.Rd1-/+ Ne5 10.Ne5 Qe5) 9.d5 (9.ab4 Bb4 10.c3 Be7) 9...Na5 10.Bd3 b3 11.c4 (11.Bb2 bc2 12.Nbd2 Nh5=) 11...d6-/+ 12.h3 Nd7 13.Be3 (13.Nc3 Nc5-/+) 13...Nc5 14.Bc5 Qc5 (14...dc5?! 15.Qb2=) 15.Nbd2 Bd7 16.Rfb1 Ba4 17.Nf1 b6 (17...Rfc8 18.Ne3-/+) 18.Ne3 Qc7 (18...Rac8 19.Nd2-/+) 19.Nd1 (19.Nf5 Rac8+=) 19...Rfc8-/+ 20.Nb2 Bd7 21.Qd2 Nb7 (21...a6 22.Qb4-/+) 22.Qc3 Nc5 23.Nd2 Bg5 (23...Rf8 24.Nb3 Nd3 25.Qd3+=) 24.Nb3 Na4 (24...Bh4 25.Nc5 Qc5 26.Nd1+=) 25.Na4 Ba4 26.Qb4 (26.Be2 b5+=) 26...Bb3 (26...Bd7 27.Ra2+=) 27.Rb3= ½–½. Slovineanu,Viceslav (2420) – Moldovan,Daniel (2445), Coca Cola op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Qc7 6.0-0 Nf6)

    7.Ng5 Nd8 8.d3 ba3 9.Na3 a6 10.Nb5 ab5.

    5.Bc4 d6

    6.ab4 Nb4 7.0-0 Bg4 8.h3 Bf3 9.Qf3 Qc7 10.Qb3 (10.Bb5 Nc6=) 10...Nc6= 11.Nc3 Nf6 12.Nb5 (12.d3 b6+=) 12...Qd7= 13.d3 a6 14.f4 (14.Be3!? Rc8 15.Nc3=) 14...Rc8-/+ 15.Nc3 b5 16.Nb5 ab5 17.Bb5 Kd8 18.Be3 Qb7 19.Qa4 (19.fe5 Ne5 20.Ra7 Qb8+-) 19...Qc7 20.Rfb1 ef4 21.Bf2? (21.Bf4!? Ne5 22.Qd4-/+) 21...Nd7 (21...d5 22.Bh4 de4 23.Bf6 gf6 24.Qe4 Bc5 25.Kh1-+) 22.d4 (22.Qb3 Be7-+) 22...g5 (22...Ne7 23.Be1 Ke8 24.Bd2-+) 23.Qc4 (23.Bc6 Qc6 24.Qa5 Ke8 25.Qg5 f3-+ (25...Qe4?? 26.Re1 Qe7 27.Re7 Be7 28.Re1+-; 25...Qc2?! 26.Rb7=)) 23...Nf6 (better is 23...Na7-+) 24.d5 Ne4?? (better is 24...Ne7 25.Qb4 Ne4+-) 25.Qe4+- (25.Qc6?! Qc6 26.Bc6 Nf2=) 25...Ne5 26.c4 Bg7 27.Ra7 Qb8 28.Ba6 Qa7 29.Ba7 Ra8 30.Rb8 Rb8 31.Bb8 Ke7 32.Bc7 Ra8 33.Bb5 h6 34.c5! Ra1 35.Kh2 f3 36.Bd6 Kd8 37.gf3 Ra2 38.Be2 Ng6 39.c6 f5 40.c7 (40.c7 Kc8 41.Qe8 Kb7 42.Qb8) 1–0. Von Herman,Brigitte (1945) – Tobar,Sabine, Bayern–ch (Women), 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Nb4 7.c3 Nc6 8.Qb3 Qe7 9.d4 h6 10.0-0 Nf6 11.Nbd2 g5 12.Bb5 Nd7 13.Nc4 g4 14.d5 Rb8 (14...gf3? 15.dc6 Qe6 16.cd7 Bd7 17.Rd1+-) 15.Ba3 (15.Nfd2 a6 16.Ba3 Qg5 17.Bd6 ab5 18.dc6 bc6 19.Bb8 Bc5+-) 15...Qf6 (15...Na5! 16.Na5 gf3=) 16.Nh4 (16.dc6? bc6 17.Ne1 Rb5-/+) 16...Na5 17.Na5 Qh4 18.Nc4 Qf6 19.Bc1 Be7 20.Ra7 0-0 21.Bd7 Bd7 22.Rb7 Ba4 23.Qb4 (23.Rb8?! Bb3 24.Rb3 Qg6+=) 23...Rb7 24.Qb7 (24.Qa4?! Rc8=) 24...Bc2 25.Ne3 Be4 26.Ng4 Qh4 27.Nh6 Kh7? (27...Kg7 28.Qd7 Bg5 29.Nf5 Bf5 30.Qf5 Bc1 31.Rc1+-) 28.g3 Qf6 29.f3! Bd3 (29...Bf3 30.h4 Passed pawn) 30.Ng4 Qh8 (30...Qg6 31.Qe7 Ra8+-) 31.Qe7 Bf5 (31...Bg6 32.Bh6 Rg8+-) 32.Nh6 (32.Nh6 Bd3 33.Rd1+-) 1–0. Zajarnyi,Anatolyi (2355) – Podgursky,Sten (2260), Bucharest Candidatilor, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    6.ab4= Nb4!? 7.Nc3 Be7= 8.Bb5 Bd7 9.d3 Nf6 10.Bd7 Qd7.

    6.ab4= Nb4!? 7.d4 ed4 (7...f5 8.Ng5 d5 9.Bb5 Nc6 10.ef5 Qf6; 7...Nf6 8.c3 Nc6 9.Ng5 d5 10.ed5 Nd5) 8.Nd4 Nf6 9.Nc3 Be7 10.Bb5 Bd7.

    6.ab4= Be6 7.Be6+= fe6 8.b5 Nd4 9.Nd4 ed4 10.0-0 Nf6 11.Qe2 e5 12.f4 Be7 13.fe5 de5= 14.Qc4 Rc8 15.Qb3 Bc5?? 16.Qe6+- Kf8 17.d3 Rc7 18.Na3 Rf7 19.Nc4 Qe7? 20.Qc8 Ne8 21.Rf7 Kf7 22.Qf5 Nf6 23.Ne5 Ke8 24.Qc8 (24.Qc8 Qd8 25.Qc5+-) 1–0. Mulligan,Allan – Churton,Doug, Open Kaikoura NZL, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 d6)

    5.Bc4 Be7

    6.Bb2 d6 7.ab4 Nb4 8.c3 Nc6 9.d4 Nf6 10.d5 Nb8 11.Nbd2 0-0 12.0-0 Nbd7 13.Ba3 Qc7 14.Rc1 Nc5 15.Re1 Bd7 16.h3 (16.Qc2 b5 17.Bf1 Rab8-/+) 16...a5 17.Ng5 (17.Rb1 a4-/+) 17...h6 18.Ngf3 b5 19.Bf1 Rfc8 20.g4 (20.Re3 Rcb8-+) 20...Na4 (better 20...Rab8!?-+) 21.Ne5-/+ Nc3 (21...de5 22.Be7 Bg4 23.hg4 Qe7 24.c4-/+) 22.Qf3? (22.Nc6 Qc6 23.dc6 Nd1 24.Bb5 (24.cd7 Rc1 25.Bc1 Nc3-+) 24...Bc6 25.Bc6+- (25.Rc6?! Nc3 26.Rc1 Rc6 27.Bc6 Ne2 28.Kf1 Nc1 29.Ba8 Nd3=)) 22...b4-+ (22...de5?! 23.Be7 Ne8 24.Qe3=) 23.Nd7 Nd7 (23...ba3?! 24.Nf6 Bf6 25.Nc4=+; 23...Qd7?! 24.Bb2=+) 24.Bb2 (24.Nb1 Bg5 (24...ba3?! 25.Rc3 Ne5 26.Qg3-/+) 25.Nc3 Ne5-+ (25...Bc1 26.Nb5 Ne5 27.Qd1 Ba3 28.Nc7 Rc7 29.Kg2-/+)) 24...Bg5 25.Nc4 (25.Nb1 Ne5 26.Qg3 Bc1 27.Rc1 Ne4 28.Rc7 Ng3 29.Rc8 Rc8 30.Ba6-+) 25…Bc1 (25...Bc1 26.Rc1 Nb6 27.Bc3 Nc4-+ (27...bc3?! 28.Na3-+)) 0–1. Alsulaymi,Abdullah M (1830) – Sokolin,L (2505), World Blitz, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Bb4 7.c3 Ba5 8.Qb3 Qe7 9.d4 Nd4?? (better is 9...ed4 10.0-0 Bb6+=) 10.Nd4+- ed4 11.Ra5 Nf6 12.e5 0-0 13.0-0 Ne8 14.cd4 Qd8 15.Ra2 Nc7 16.Ba3 d5 17.ed6 (17.ed6 Ne6 18.d7 Qd7 19.Bf8 Kf8 20.Be6 Qe6 21.d5+-; 17.Bf8?! dc4 18.Qf3 Kf8+/-) 1–0. Berke,Ernst – Znak,Nicholas, RN–2008–0-00171, 2009. (=1.e4 c5 2.b4 e5 3.Nf3 cb4 4.a3 Nc6)

    6.ab4 Bb4 7.c3 Bc5 8.d4 ed4 9.cd4 (worse is 9.Nd4 Nf6+=) 9...Bb4 10.Bd2 Qb6 11.0-0 Nf6 12.e5 Ng4 13.Nc3 Bc3 14.Bc3 0-0 15.h3 Nh6 16.d5 Ne7 17.d6 Nef5 18.Qd3 Qd8 19.Ba5 b6 20.Bb6! Qb6 21.Rfb1 Qd8 22.Bd5 Ba6 23.Ra6 Nh4 (23...Rc8+-) 24.Ba8 Nf3 25.Bf3 Qg5 26.Qc3 Nf5 27.Ra7 Nh4 28.Ra8 Nf3 (28...Ra8 29.Ba8 h5 30.Be4+-) 29.Qf3 (29.Qf3 Qd8 30.Rd8 Rd8 31.Qb7+-) 1–0. Varonen,Hannu (2155) – Havumaeki,Jani (1675), FIN/WS/31 (FIN), 2011. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Bb4 7.c3 Bd6 8.Qb3 Qe7 9.0-0 Nf6 10.d4 0-0 (worse is 10...Ne4 11.Re1 f5 12.Bd5+=) 11.Bg5 (11.d5 Nb8= (worse is 11...Ne4 12.Qc2 Nf6 13.dc6+=)) 11...h6 12.Bh4 (12.Bf6 Qf6 13.Na3 a5+=) 12...Bc7 (12...ed4!? 13.cd4 Nd4 14.Nd4 Qe5=) 13.Nbd2+= d6 14.Bd5 g5 15.Bg3 Na5 16.Qb4 Nd5 17.ed5 e4 18.Rfe1 f5 19.Ra5 Qd8 20.Nc4 Ba5 21.Na5 (worse is 21.Qa5 Qa5 22.Na5 ef3 23.Bd6 Rd8-/+) 21...f4 22.Re4 fg3+= 23.hg3 Qf6 24.Nc4 b6 25.Nd6+/- a5 26.Qa3 Bd7 27.Re2 Bg4 28.c4 Bf3= 29.Re6 Qd4 30.gf3 a4 31.Ne4+- Qd1 32.Kg2 Qb3 33.Qa1 Qf3 34.Kg1 Qf5?? 35.Rh6+- (35.Rh6 Qh7 36.Nf6 Rf6 37.Rh7 (37.Rf6?! a3 38.Qa2 Re8+=) 37...Kh7 38.Qf6+-) 1–0. Shivananda,BS (2355) – Deepan Chakkravarthy,J (2520), Nagpur IND, Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Bb4 7.c3 Be7 8.Qb3 Nh6 9.d4 0-0 10.Bh6 gh6 11.Ne5 Ne5 12.de5 Qc7 13.0-0 Qe5 14.Nd2 Bf6= 15.Rac1 d6 16.f4 Qe7 17.Bd3 Be6 18.c4 a5 19.Bb1 Bg7 20.f5 Bd7 21.e5 Be5 22.f6 Bf6 23.Qd3 Rfe8 24.Qh7 Kf8 25.Ne4 Bg7 26.Rf4 Be6 27.Bd3 a4 28.Rcf1-/+ a3 29.Nf6= Bf6 30.Rf6 Qf6 31.Rf6 a2 32.Qh6 Ke7 33.Re6 fe6 34.Qg7 Kd8 35.Qa1 Ra3 36.Bg6 Rf8 37.h4 Rf4=+ 38.h5 Rc4 39.Qf6 Kc7 40.Qe7 Kc6 41.Be8 Kc5 42.Qc7 Kd5 43.Qb7 Kd4 44.Qb2 Rcc3 45.Qa1 Kd5 46.Kh2 Rc1-+ 47.Qc1 a1Q 48.Bc6 Kd4 49.Qg5 Ra5 50.Qf4 Kc5 51.Be4 d5 52.Bg6 Qd4 53.Qc7 Kb4 54.Qd6 Kc4 55.Qc6=+ Kb4 56.Qd6 Kc3 57.Qe6=+ Qh4 58.Qh3 Qh3 59.Kh3 d4 60.h6 d3 61.Bd3 Kd3 62.Kg4 Ra1 63.Kf5 Rh1 64.Kg6= Ke4 65.h7 Kf4 ½–½. Zajarnyi,A (2395) – Khurtsidze,N (2460), AB Puchko Mem, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Nf6 7.b5 Na5 8.Be2 0-0 (8...Ne4 9.0-0=) 9.Nc3 d6 10.0-0 b6 11.d3 (11.d4 Qc7 12.Qd3 a6+=) 11...Bd7 (11...Qc7 12.Bd2+=) 12.Bd2 Rc8 13.Qb1 h6 14.Qb2 Qc7 15.Rfc1 Be6 16.Nd1 Nd7 17.c4 Nc5 18.Ba5 ba5 19.Ra2 (19.Nc3 Qb6+=) 19...f5 20.Nc3 fe4 21.de4 Rf4 22.Nd2 (22.Rca1 a4+=) 22...Rcf8 23.f3 Bg5 (23...Qb6 24.Kh1+=) 24.Rca1 Rh4 25.Nf1 (worse 25.Ra5 Qb6 26.Kh1 Bd2 27.Qd2 Nb3=) 25...Bd8 26.Ne3 Qf7 27.Ncd5 a4 28.Bd1 Bd5 29.Nd5 (worse 29.cd5 Bb6 30.g3 Re4 31.fe4 Ne4-+) 29...Re4 30.Ba4?? (better 30.Qc3=) 30...Rc4-+ 31.Ne3 Ra4 (31...Bb6 32.Bc2 Na6 33.Ra3-+) 32.Ra4 Na4 33.Ra4 Bb6 34.Re4? (34.Kf2 d5-+) 34...Rc8 (better 34...d5 35.Re5 Qf4-+) 35.Kf1 Kh8 36.Qd2 (36.Qa3 Qd7 37.Qd3 Be3 38.Re3 Rc5-+) 36...Bd4 (36...Qb3 37.Ke2 Bd4 38.Kf2-+) 37.Rd4 ed4 38.Qd4 Qa2 39.Qd6 Rc1 40.Nd1 Qc2 41.Ke1 Kh7 (41...Qg2 42.Qd8 Kh7 43.Qd3 Qg6 44.Qg6 Kg6 45.Kd2-+) 42.h4 (42.g4 Qb3 43.Qd2 Rc5-+) 42...Qc3 (better 42...Qg2 43.Qd3 Qg6-+) 43.Kf2?? (better 43.Qd2 Qc4 44.g4-+) 43...Qc2 (better 43...Rc2 44.Kg3 Qe1 45.Kh2 Qh4 46.Kg1 Qe1 47.Kh2 Rd2-+) 44.Ke1 Qc4 (44...Qg2!? 45.Qd3 Qg6 46.Qd4-+) 45.h5 Qf7 (45...Qb5!? 46.g4 a5-+) 46.Qd3 Kg8 47.Qd8 Qf8 48.Qd5 (48.Qd7 Qb8-/+) 48...Kh8-+ 49.Kd2 Rc8 50.Ke1 (50.Ke2 Qe8 51.Ne3 Rc3-+) 50...Re8 51.Kf1 (51.Kf2 Rd8 52.Qb3-+) 51...Rd8 52.Qb3 Qc5 53.Ne3 (53.Nc3 Rd3 (53...Qh5?! 54.Qa4-+) 54.Qf7 Rc3 (54...Qc3?! 55.Qe8 Kh7 56.Qg6 Kg8 57.Qe8 Kh7 58.Qg6 Kg8 59.Qe8 Kh7=) 55.Qe8 Kh7 56.Qe4 Kg8 57.Qe8 Qf8-+) 53...Qc1 (53...Rd2 54.Qc4 Qe3 55.Qc8 Kh7 56.Qf5 Kg8 57.Qc8 Kf7 58.Qc7 Kf6 59.Qc6 Ke7 60.Qb7 Rd7 61.Qe4 Qe4 62.fe4-+) 54.Kf2 Qd2 55.Kg3 Qd6 (better 55...Rd3 56.Qe6 Qe3 57.Qc8 Kh7 58.Qf5 Kg8 59.Qc8 Kf7 60.Qf5 Ke7-+) 56.Kh3 (56.f4 Qd3 57.Qd3 Rd3-+) 56...Qd7 57.g4 Qd3 58.Qe6 Qb5 59.Nf5 Qd7 60.Qe5 Re8 61.Qc3 Rf8 (61...Kh7 62.Qc2 Rc8 63.Qe4-+) 62.Nh6-/+ Qd1 (better 62...a5!?-/+) 63.Nf5= Qh1 64.Kg3 Qg1 65.Kh4 Qh2 66.Kg5 White prepares the advance h6 66...Rg8? (better 66...Rf7!? 67.f4 Qh1+=) 67.h6+- Qe2?? (better 67...Qb8+-) 68.hg7 (68.Ng7?! Kh7=) 68...Kh7 69.Qf6 (69.f4 Qd3 70.Qd3 Rg7 71.Ng7 Kg7 72.Qd7 Kf8 73.Kf6 a5 74.Qd8) 69...Qd2 70.f4 (70.f4 Qd8 71.Qd8 Rd8 72.Kf6+-) 1-0. Sharikov,Al (2200) - Gabrielian,A (2455), PNWCC Opening Bl Sicilian, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    5.Bc4 Nf6

    6.0-0 Ne4-/+ 7.ab4 Bb4 8.c3 Be7 9.d4 d5 10.Bb5 ed4 11.Qd4 0-0 12.Bc6 bc6 13.Ra7 Bc5 (13...Ba6 14.Re7 Bf1 15.Ba3 Ra3 16.Re4 de4 17.Na3 ef3 18.Kf1-+) 14.Ra8 Bd4 15.Nd4 Qb6 16.Ba3 c5 17.f3 (17.Nf3 Bf5 18.Rf8 Kf8-+) 17...Nd6 18.Nd2 cd4 19.Rb1 Qc6 20.Rbb8 dc3 21.Nb3 c2 22.Bd6 c1Q 23.Nc1 Qc1 (23...Qd6? 24.Rc8 Qb6 25.Kh1+-) 24.Kf2 Rd8 (better is 24...Qd2 25.Kf1 Ba6 26.Ra6 Rb8 27.Bb8 Qd3 28.Kf2 Qa6 29.Kg3-+) 25.g4 g5 0–1. Beier,Klaus – Eckstein,Bernd, Bayern–chB Lichtenfels, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.0-0 Ne4 7.Qe2 d5 8.Bb5 Bd6 9.d3 Nc3 10.Nc3 bc3 11.Ne5 0-0 (worse is 11...Be5 12.Qe5 Kf8 13.Bc6 bc6 14.Re1+/-) 12.Nc6 bc6 13.Bc6 Bh2 14.Kh2 Qd6 15.Kg1 Qc6 16.Bf4 Re8 17.Qf3 Bd7 18.Rfe1 Rac8 19.Re5 Re5 20.Be5 Qg6 21.Rb1 (21.Qd5?? Bc6 22.Qc6 Qc6-+) 21...h5 22.Rb3 (22.Qd5?? Bc6 23.Qc6 Qc6-+) 22...Ba4 23.Rc3 Rc3 24.Bc3 Bc2 25.Qd5 Bd3 26.f3 a6 27.Qd4 Bf5 28.Kh2 Kh7 29.Qf4 Bd3 30.Qg3 Bf1 31.Qg6 Kg6 32.Kg1 Bc4 33.Kh2 ½–½. Hrabinska,Myroslava (2220) – Goreskul,Alyona (2225), UKR–ch U20 Girls, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.0-0 Be7 7.ab4+= Bb4 8.c3 Be7 9.d4 ed4 10.e5 Ng4 11.cd4 d6 12.h3 Nh6 13.ed6 Qd6 14.d5 Ne5 15.Ba3 Nf3 16.Qf3 Qf6 17.Bb5 Bd7 18.Bd7 (better is 18.Re1!? Ng8 19.Qb3 Bb5 20.Qb5 Kf8 21.Qb7+-) 18...Kd7= 19.Qb3 Qb6 20.Qa4 Kd8 21.d6 Bf6 (21...Bd6 22.Bd6 Nf5 23.Bb4+-) 22.Ra2 Qc6 23.Qb3 Rc8 24.Rd2 Kd7 25.Rc1 Qb6 26.Qa4 Kd8 (26...Rc6 27.Rdc2=) 27.Re1 (27.Rc8 Kc8 28.d7 Kb8 29.Bd6 Ka8+-) 27...Qc6 (better is 27...Qa6!? 28.Qb4 Rc4=) 28.Qa7 Kd7 29.Qa5 Qa6? (29...Ra8 30.Re7! Be7 31.de7 Ke6 32.Qg5+-) 30.Qb4?? (30.Re7 Be7 31.de7 Ke6 32.Qd5 Kf6 33.Qf3 Nf5+-) 30...Rhe8?? (better is 30...Rc4 31.Qb3 Nf5+/-) 31.Re7!+- Be7 (31...Re7 32.de7 Ke8+-) 32.de7 Kc7 33.Qf4 Kc6 (33...Kb6 34.Rd6 Ka7 35.Qd4 Ka8 36.Ra6 ba6+-) 34.Rd6 (34.Rd6 Kc7 35.Ra6 Kd7 36.Qd6) 1–0. Guyer,Patrick (2120) – Holen,Line, Gausdal op, 2004. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.ab4 Bb4 7.c3 Bc5 8.d4 (8.d3 0-0 9.Bg5 h6 10.Bh4 d6 11.0-0) 8...ed4 9.cd4 Bb4 10.Bd2 Ne4 11.Bb4 Nb4 12.Bf7 Kf7 13.Qb3 Kf8 14.Qb4 Qe7 15.Qa3 -/+.

    6.ab4 Bb4 7.c3 Be7 8.Qb3 0-0 9.Ng5 Qe8 10.d3 b6 11.f4 d6 12.0-0 Na5 13.Ra5 ba5 14.fe5 de5 15.d4 Bd6 16.Ba3 Rb8 17.Bf7 Rf7 18.Qf7 Qf7 19.Nf7 Ba3 20.Na3 Ba6 (20...Kf7!? 21.de5 Rb3-/+) 21.c4 ed4 22.Nd6 Ng4 23.Rd1 Rb3 24.Nc2 d3 25.Ne1 Ne5 26.Kf2 a4 27.Ke3 a3 (27...Bc4 28.Kd4 a3 29.Nc4+/- (29.Ke5?? a2 30.Ra1 d2-+)) 28.Kd4?? (28.Ra1 Bc4 29.Kd4-/+) 28...a2 29.Ra1 d2 30.Nc2 Rb1 0–1. Boryshkevich,Roman – Kusnetsov,Sergey (2370), UKR–chT Alushta, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.ab4 Bb4 7.c3 Be7 8.d4 0-0 9.d5 Na5 10.Ra5? Qa5-+ 11.d6 Bd8 12.0-0 Ne4 13.Re1 Nf2! 14.Qe2 Ng4 15.h3 Qb6 16.Kf1 Nf6 17.Ne5 Qb1 18.g4 Qe4! 19.Qh2 b5 20.Re4 Ne4?? 21.Bd5+/- 1–0. Nanu,Ciprian (2325) – Bernat,Robert (2140), Szeged TT03 IM, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.ab4 Bb4 7.Qe2 A) 7...0-0 8.0-0 (8.c3 Bc5 9.0-0 d6 10.d3 Be6 11.Be6; 8.Bb2 d6 9.0-0 Bc5 10.c3 Bg4 11.h3) 8...d6 9.d3 Be6 10.Be6 fe6 11.Be3; B) 7...Bc5 8.0-0 (8.d3 d6 9.0-0 0-0 10.Bg5 h6 11.Be3; 8.Nc3 d6 9.Na4 0-0 10.c3 Bg4 11.d3; 8.Ba3 d6 9.0-0 0-0 10.Qd3 Bg4 11.Ng5; 8.c3 0-0 9.0-0 d6 10.d3 Be6 11.Be6; 8.Ng5 d5 9.ed5 Nd5 10.Qh5 Rf8 11.Nh7) 8...d6 9.d3 0-0 10.Bg5 Be6 11.Be6; C) 7...d6 8.c3 (8.0-0 0-0 9.d3 Be6 10.Be6 fe6 11.Be3; 8.Bb2 Bc5 9.0-0 Bg4 10.h3 Bh5 11.g4) 8...Bc5 9.0-0 0-0 10.d3 Be6 11.Be6.

    6.d3 Bc5 7.Qe2 b5 8.Bb5 (8.Bd5 Qe7 9.ab4 Bb4 10.c3 Bc5=+ (worse 10...Nd5 11.ed5 Bd6 12.dc6 dc6 13.0-0+-)) 8...Nd4-+ 9.Nd4 Bd4 (worse 9...ed4 10.e5 0-0 11.0-0+- (11.ef6 Re8-/+)) 10.Ra2 (10.c3!? bc3 11.Qc2-/+) 10…Qa5-+ (10...Qa5 11.c3 bc3-+ (11...Qb5?! 12.cd4 ed4 13.ab4=)) 0–1. bobby fissure (2150) – Bazza3 (2595), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.d3 Be7 7.ab4 Bb4 8.c3 Be7 9.Qb3 0-0-/+ 10.Ng5 (10.Qa2 Rb8-/+) 10...Qe8 11.f4 (better 11.0-0!?-/+) 11...ef4-+ 12.Bf4 d5! 13.Bd5 (13.Bd5 Nd5 Combination; 13.ed5 Nd5) 13...Nd5 14.Qd5 h6 (14...Bg4!? 15.Kf2 Rd8 16.Qb5-+) 15.Nf3-/+ Be6 16.Qb5 f5 17.e5 Rd8 18.d4? (better 18.0-0-+) 18...Nd4 19.Nd4 (19.Qe8 Nc2 (worse 19...Rfe8 20.cd4 g5 21.Be3+-) 20.Ke2 Rfe8-+ (20...Rde8?! 21.Ra7 g5 22.Rc1=+)) 19...Rd4! 20.Qe8 (20.cd4 Qd7 Double attack (20...Qd7 Decoy; 20...Qb5 Remove defender)) 20...Re4 (20...Re8?? 21.cd4 Rd8 22.Ra7 Rd4 23.Rb7 Re4 24.Kd1+-) 21.Be3 (21.Kd2 Re8 22.g3 Rd8 23.Kc1 g5-+) 21...Re8 (21...Re3?! 22.Kf2 Re8 23.Ke3 Bc5 24.Kd3 Rd8 25.Kc2-/+) 22.Kf2 (22.Kd2 Bc4-+) 22...Re5 (22...f4 23.Ba7 Bh4 24.Kf3 Re5 25.Rd1-+) 23.Bd4 Rb5 24.Re1 Rb2 25.Kg1 (25.Re2 Re2 26.Ke2 a6-+) 25...Bd5 26.c4 (26.Re5 Be4 (worse 26...Rg2 27.Kf1 Bc6 28.Bc5 Bc5 29.Re8 Kh7 30.Re5-+) 27.Na3 Rg2 28.Kf1 Rh2-+) 26...Rg2 27.Kf1 Bc6 28.Ra5 (28.Ba7 Rh2 29.Nc3 Rh1 30.Bg1 Bc5 31.Re8 Be8-+) 28...Rg4 29.Ba7 (29.Re7 Re7 30.Ba7 Rc4 31.Nd2-+) 29…Bg2 (29...Bg2 30.Ke2 Bb4 31.Be3 Ba5-+) 0–1. Unciti Juan,J (2040) – Moreno Ruiz,J (2460), 34th Collado Villalba Op, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.d4 Ne4 7.d5 Na5 8.Ba2 (8.Bd3 Nc3 9.Nc3 bc3 10.Ne5 Bd6+=) 8...Qb6 9.0-0 d6 (9...Bc5 10.Qe1 f5 11.ab4 Bb4 12.Bd2 Bd2 13.Nbd2-/+) 10.ab4 (better is 10.Qe1!? Nc3 11.ab4 Na2 12.ba5+/-) 10...Qb4-/+ 11.Ba3 Qb6?? (11...Qa4 12.Re1 Bf5 13.Qd3-/+) 12.Qe2?? (better is 12.Qe1 f5 13.Bb4+=) 12...f5-/+ 13.Nbd2 Nd2 14.Nd2 Be7 15.c4 0-0 16.Rab1 Qc7 17.Rfc1 Kh8 18.Nf3 b6 19.Bb2 Ba6 20.Nd2 Rac8 21.Qh5 Qd7 22.Rc3 Rf6 23.Qd1 Rg6 24.f4 Bf6 25.Rh3 Nc4 26.Bc4 Bc4 27.Nf3 ef4 28.Bf6 Rf6 29.Qd2 b5 30.Qf4 Bd5 31.Ng5 h6 32.Qd4 Be4! 33.Re1 Kg8 34.Nf3 a5 0–1. Darai,Peter (1950) – Miklosi,Attila (2065), HUN–chT2 Barcza, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.Qe2 a6 A) 7.0-0 A1) 7...ba3 8.d4 (8.Bb3 d6 9.Ba3 Be7 10.Nc3 Bg4 11.Qe3 Bf3 12.Qf3 Nd4 13.Qe3; 8.Ba3 Ba3 9.Ra3 Qe7 10.Ra1 d6 11.Nc3 0-0 12.Nd5 Nd5 13.ed5; 8.Bd5 Qa5 9.Bb3 Bc5 10.Na3 0-0 11.Bb2 d6 12.Nc4 Qc7 13.Ne3) 8...Qc7 9.Na3 Be7 10.Bb2 d6 11.de5 de5 12.Bd5 Bg4 13.Nc4; A2) 7...b5 8.Bd5 (8.Bb3 Bb7 9.h3 ba3 10.d3 Bc5 11.Ba3 Ba3 12.Na3 0-0 13.Qe3) 8...Qc7 9.Bb2 Bb7 10.Ne5 Nd5 11.ed5 Ne5 12.Be5 Qc4 13.d3; B) 7.Bb2 B1) 7...ba3 8.Na3 Bc5 9.Ne5 Ne5 10.Be5 0-0 11.0-0 d6 12.Bf6 Qf6 13.Bd5; B2) 7...b5 8.Bd5 (8.Bd3 Bd6 9.ab4 Nb4 10.Be5 Be5 11.Ne5 0-0 12.0-0 Re8 13.Ng4) 8...Qe7 9.Bb3 ba3 10.Na3 Bb7 11.Ng5 Nd8 12.0-0 h6 13.Nf3; B3) 7...Be7 8.ab4 (8.0-0 0-0 9.Ne5 Ne5 10.Be5 b5 11.Bd3 Bb7 12.Bd4 Qc7 13.ab4; 8.Ne5 0-0 9.0-0 b5 10.Bd3 Qc7 11.Nc6 dc6 12.ab4 Bb4 13.e5) 8...Nb4 9.Na3 0-0 10.0-0 d5 11.ed5 e4 12.Ne5 Nbd5 13.Bd5.

    6.Ng5 Bc5?? 7.ab4?? (better is 7.Nf7 Qb6 8.Nh8 Bf2 9.Kf1+-) 7...d5-/+ 8.ed5 Bf2?? (better is 8...Nb4 9.Ba3 Nfd5 10.Bb4 Nb4 11.Nf7 Qd4-/+) 9.Kf2+- Ng4 10.Ke1 Qg5 11.dc6 Nh2 12.Rh2 Qg3 13.Kf1 Qh2 14.Qf3 Qh1 15.Ke2 0-0 16.Na3 bc6 17.Bb2 Qh4 18.Qf2 Qg4 19.Kf1 a5 20.Be2 Qb4 21.Nc4 Ba6 22.Ba3 Qa4 23.Nb6 Be2 24.Ke2= Qg4 25.Qf3 Qd4 26.Na8 Qa1 27.Bf8+/- Kf8 28.Qc6 Qd4 29.Nb6 h5 30.Qa8 Ke7 31.Nd5 Kd6 32.Ne3 Qc5 33.Qf8 Kc6 34.Qc8 Kb5 35.Qb7 Qb6 36.Qf7 Qf6 1–0. Shirazi,Kamran G (2450) – Hyltin,John Paul (2070), USA op Fort Worth, 1984. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    6.Qe2 Bc5

    7.0-0 0-0 8.Bb2 (8.ab4 Nb4 9.Ba3 d6 10.c3 Nc6 11.Bc5 dc5 12.h3 Nh5 13.Qe3) 8...Re8 (8...ba3 9.Na3 d6 10.c3 Re8 11.Rfd1 h6 12.Nc2 Be6 13.Be6) 9.ab4 Bb4 10.Ng5 (10.Nc3 Bc3 11.dc3 d6 12.Rfd1 Be6 13.Ba3) 10...d5 11.ed5 Nd5?? (better is 11...Nd4 12.Bd4 ed4-/+ 13.Qd3) 12.Qh5+- Be6 13.Qh7 Kf8 14.Qh8 (better is 14.Ne6 fe6 15.f4 Qb6 16.Kh1+-) 14...Ke7+= 15.Qg7 Rg8 16.Ne6 Rg7 17.Nd8 (worse is 17.Ng7 Nf4 18.Nf5 Kd7+=) 17...Rd8 18.Bd5 (18.Re1 f6+/-) 18...Rd5+= 19.Ba3 a6 20.Bb4 Nb4= 21.Ra4 Nc2-/+ 22.Rc4 Nd4 23.Nc3 Rd7 24.Rc5 f6-+ 25.f4 b6?? 26.fe5+= f5? 27.Rc8 b5= 28.Rb8 Nc6 29.Rb6 Rd2 30.Rb7 Rd7= 31.Rd7 Kd7 32.Rf5 Re7 33.Ne4 Ke6 34.Rf6 Ke5 35.Rc6 Ke4 36.Ra6 Rb7 37.Kf2 Kd3 38.g4 b4 39.h4? b3-+ 40.Ra3 Ke4 41.Ra4-/+ Kd3 42.Ra1?? b2-+ 43.Rb1 Ke4 44.g5 Kf5 45.Ke2 Rb4 46.Kd2 ½–½. Zuferi,Enis (2005) – Van gen Hassend,Max (1985), Oberhof GER, Ch U25, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    7.0-0 Bd4 8.c3 (8.Ra2 0-0 9.c3 bc3 10.Nc3 d6 11.Bb2 Be6 12.Nd5 Rc8 13.Bd4) 8...bc3 9.Nc3 0-0 10.Rb1 d6 11.Nd5 Bc5 12.d3 h6 13.h3.

    7.0-0 Nd4 8.Nd4 Bd4 9.c3 bc3 10.dc3 Bb6 11.Be3 0-0 12.Nd2 d6 13.Rfb1.

    7.0-0 d6 8.Bb2 0-0 9.ab4 Bb4 10.Nc3 Be6 11.h4 Bg4 12.Qd3 Bc5 13.Na4.

    7.ab4 Bb4 8.Bb2 (8.0-0 0-0 9.Nc3 d6 10.Nd5 Bg4 11.c3 Bc5 12.Ba3 Nd5 13.ed5; 8.Nc3 0-0 9.0-0 d6 10.Nd5 Bg4 11.c3 Bc5 12.h3 Be6 13.Ba3; 8.Ba3 0-0 9.0-0 d6 10.h3 Ba3 11.Ra3 Be6 12.Nc3 a5 13.Be6; 8.Qd3 0-0 9.0-0 Bc5 10.Ba3 d6 11.Bb5 Nb4 12.Bb4 Bb4 13.Nc3) 8...0-0 9.0-0 d6 10.Nc3 Be6 11.Nd5 Bc5 12.h3 a5 13.Bb3.

    6.Qe2 Be7

    7.0-0 0-0 8.Bb2 d6 9.ab4 Nb4 10.d4 ed4 11.Bd4 a5 12.Nc3 Be6 13.Bb3.

    7.0-0 0-0 8.ab4 Bb4 9.c3 Bc5 10.d3 d6 11.Bg5 h6 12.Bh4 Bg4 13.h3 Be6 14.Nbd2 Qe7 15.Bb5 Bd7 16.Nb3 Bb6 17.Rfd1 a6 18.Bc4 Be6 19.Nbd2 Nd8 20.d4 Bc4 (better is 20...Bc7!?=) 21.Nc4+/- (21.Qc4?! Re8=) 21...Bc7 22.Ne3 Qe6 23.Bf6 gf6 24.d5 Qd7 25.Nh4 f5 26.Nef5 (26.Nhf5?! f6+-) 26...Kh7 (26...Ne6+-) 27.Qh5 f6 (27...Ne6 28.Qh6 Kg8 29.Rd3 f6 30.de6 Qh7 31.Ne7 Qe7 32.Rg3 Qg7 33.Qg7) 28.Qh6 Kg8 29.Ng6 (29.Ng6 Qf5 30.Qh8 Kf7 31.Qh7 Ke8 32.Qe7) 1–0. Santos,Karlo – Asilkefeli,Metin, RL–2007–0-00121, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    7.Bb2 A) 7...d6 8.0-0 (8.ab4 Nb4 9.d4 ed4 10.Bd4 0-0 11.Nc3 a5 12.0-0 Be6 13.Bb3) 8...0-0 9.ab4 Nb4 10.d4 ed4 11.Bd4 Be6 12.Nc3 a5 13.Bb3; B) 7...Qb6 8.0-0 0-0 9.ab4 Nb4 10.Ba3 d6 11.Bb4 Qb4 12.Nc3 h6 13.Rfb1; C) 7...0-0 8.Ne5 Qb6 9.Nc6 dc6 10.ab4 Re8 11.0-0 Bg4 12.Qd3 Qb4 13.Bc3.

    7.ab4 0-0 8.c3 d5 9.ed5 Nd5 10.b5 Nf4 11.Qe4 Na5 12.Ra5 Qa5 13.Ne5.

    7.ab4 Nb4 8.0-0 (8.d3 d5 9.ed5 Nfd5 10.0-0 0-0 11.Ne5 Bd6 12.c3 Nc6 13.Bd5) 8...0-0 9.d3 a5 10.Ba3 d5 11.ed5 Nbd5 12.Be7 Qe7 13.Ne5.

    7.ab4 Bb4

    8.0-0 0-0 9.Nc3 d6 10.Nd5 Nd5 11.ed5 Na5 12.Bb5 a6 13.Bd3.

    8.Ba3 0-0 9.0-0 d6 10.Bb4 Nb4 11.Na3 Bg4 12.Rfb1 a5 13.h3.

    8.Bb2 0-0 9.0-0 d6 10.Nc3 Be6 11.Nd5 Bc5 12.Ba3 a5 13.Rfb1.

    8.c3 Be7 9.0-0 0-0 10.d4 d6 11.h3 a6 (11...ed4 12.Nd4 Re8 13.Qa2-/+) 12.Rd1 (12.Bd3 ed4 13.cd4 Nb4=+) 12...Qc7 13.Bb2 Bd7 14.Ba2 (14.Bd3 Rfc8-/+) 14...Rac8 (14...b5 15.Nbd2-/+) 15.Nbd2=+ b5 16.Rdc1 Nh5 (16...a5 17.c4 b4 18.d5=+) 17.Qe3 Nf4 (17...a5 18.Bd5=+) 18.Kh2 (18.c4 b4=+) 18...Kh8 (18...a5 19.c4 b4 20.d5=) 19.Ba3 (19.c4 b4=) 19...f5 20.de5 (20.d5 fe4 21.Ne4 Nd8=) 20...fe4 (20...de5 21.Be7 Ne7 22.Ng5=+) 21.Ne4 (21.ed6!? Bd6 22.Bd6 Qd6 23.Ne4=+) 21...de5-/+ 22.Be7 Ne7 23.Ng3 (23.c4 b4-/+) 23...Neg6 (23...Bc6 24.Ne1-+) 24.Ng5 (24.c4 b4 25.Ne4 Bc6-/+) 24...Bc6 (24...Nh4 25.Rg1-+) 25.N3e4 (25.Ne6 Ng2 26.Qc5 Qf7 27.Nf8 Qf8 28.Qf8 Rf8-/+) 25...h6 (25...Nh4 26.Ne6 Nhg2 27.Nc7 Ne3 28.fe3 Be4 29.ef4 Rc7 30.fe5 Rf2 31.Kg1 Rg2 32.Kf1-+) 26.Ne6 Ne6 27.Be6 Rce8 28.Bg4 Nf4 (28...Be4!? 29.Qe4 Qb6-/+) 29.Ra6= Bb7 (29...Be4 30.Qe4 Qc4 31.f3=) 30.Ra7 Qc6 (30...Ra8!?=) 31.Bf3+= Nd5 32.Qc5 Qc5 33.Nc5 Bc6 34.c4 bc4 35.Rc4 Nb6 36.Rg4 Bf3 37.Rgg7 (37.gf3?! g5 38.h4 Rf3+=) 37...Rf6 38.Rh7 (38.gf3 Rc6 39.Ne4 Ree6+-) 38...Kg8 39.gf3 Rc8 (39...Rg6 40.h4+-) 40.Rag7 Kf8 41.Nd7 (better 41.Ne4!? Rf3 42.Rg6+-) 41...Nd7+- 42.Rd7 Kg8 43.Rdg7 Kf8 44.Kg2 e4 (44...Rc3 45.Rb7 Kg8 46.Rhe7+-) 45.fe4 Rc2 46.Ra7 (better 46.Kg3 Rcf2 47.e5 R6f3 48.Kg4+-) 46...Rcf2= 47.Kg3 R2f3 48.Kg2 ½–½. Couture,Jonathan (1945) – Ouellet,Maili_Jade (2080), Varennes Open (2), 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6)

    8.Nc3 0-0 9.0-0 d6 10.Nd5 Nd5 11.ed5 Na5 12.Re1 Bg4 13.Ra4.

    6.Ng5 d5

    7.ed5 Na5 8.Bb5= Bd7 9.Bd7 Qd7 10.ab4 Bb4 11.c3 Qd5 12.cb4 Qg2 13.Qf3 Qf3-/+ 14.Nf3 Nb3 15.Bb2 Na1-/+ 16.Ba1 e4 17.Nh4 Rc8 18.Ke2 Rc6 19.Nf5 g6 20.Ne3 0-0=+ 21.b5 Re6 22.Bf6= Rf6 23.Nc3 Re6 24.Ra1 a6 25.Ned5 ab5=+ 26.Rb1 Kg7 27.Rb5= b6 28.Rb6+= Rb6 29.Nb6 f5 30.Nbd5 g5 31.Ke3 Rb8 32.Ke2 Rb2= 33.Ne3 Kg6 34.Ncd5 Rb7 35.Nc4 g4 36.Nde3 Ra7 37.Nd6 Ra5 38.Ndc4 Ra7 39.Nd6 Ra5 40.Ndc4 Ra7 ½–½. Yakivchik,M (2245) – Dolzhikova,K (2125), ch–UKR Women, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    7.ed5 Na5 8.Bb5 Bd7 9.Bd7 Qd7 10.ab4 Nc4 11.Qe2 (11.d3 A) 11...Bb4? 12.c3+-; B) worse is 11...Qd5 12.0-0+/- (12.dc4?! Qg2 13.Qf3 Bb4 14.c3 Qf3 15.Nf3 Bd6+=); C) 11...Nb6 12.c3 Bd6=) 11...Qd5 12.0-0 (12.Nc3 Qc6 13.f4 Bb4 14.fe5 Nd5 15.Nd5 Qd5=) 12...Bb4+= 13.d3 Nb6 14.c4 Qd6 15.d4 (better is 15.Bb2!? Nfd7 16.Ne4+=) 15...Qd4-/+ 16.Bb2 Qd8 (better is 16...Qc4!? 17.Qe5 Kf8-/+) 17.Qe5= Qe7 18.Qb5 (18.Ra7 Qe5 19.Ra8 Ke7 20.Be5 Ra8+=) 18...Nfd7+= 19.Qf5 (19.Bg7? Rg8 20.Bh6 Rg6 21.Nf7 a6-+ (21...Qf7?! 22.Qb4 Rh6 23.c5-+)) 19...h6 (19...Nc4 20.Bg7 Rg8 21.Qh7=) 20.c5 (20.Nf3 0-0-/+ (worse is 20...Nc4 21.Bg7 Rg8 22.Qh7 Rg7 23.Qg7+/-)) 20...hg5 (better is 20...Nc5!? 21.Nf3 Qe6-/+) 21.cb6+= 0-0 (better is 21...Qd6!? 22.h3 Nb6 23.Bg7 Rg8 24.Qe4 Kd8+=) 22.ba7+= Nc5 ½–½. Rechel,Bernd (2400) – Reschke,Stefan (2340), Wiesbaden op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    7.ed5 b5

    8.Ba2 Nd4 9.ab4 h6 10.Nf3= Bb4 11.Bb2 Bg4 12.Bd4 Bf3 13.Qf3 ed4 ½–½. Offenbach/Holaus,V (2285) – Kleinsorgen,Horst (2095), remoteschach.de, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    8.Ba2 Nd4 9.c3 b3 10.Bb3 Nb3 11.Qb3 Qd5 12.Qd5 Nd5 13.d4 f6 (13...h6 14.Nf3 ed4 15.cd4-/+) 14.Ne4 f5 15.Ng3 (15.Nc5 Kf7-/+) 15...e4 (15...Bd6 16.0-0 Kf7 17.de5 Be5 18.Ra2-+) 16.0-0 (16.a4 ba4 17.Ra4 a5-/+) 16...Bd7 17.Re1 (17.a4 b4 18.cb4 Bb4-/+) 17...Kf7 (17...Be7 18.Nh5-+) 18.Nf1 (18.a4 ba4 19.c4 Nb4-/+) 18...Rc8 19.Bd2 Bd6 20.g3 Rhe8 (20...h6 21.Ne3 Nb6 22.c4 Nc4 23.Bb4-+) 21.Ne3 Nb6 22.Ra2 (22.Ng2 Be7-+) 22...g5 (22...Kf6 23.h4-+) 23.Ng2 (23.c4 Nc4 24.Bb4 Bc7-+) 23...h6 (23...Kg6 24.Rc2-+) 24.Re2 (24.Rc2 Kg6-+) 24...a5 (24...Be6 25.Rc2-+) 25.Kf1 (25.Rc2 Kg6-+) 25...Kg6 (25...Be6 26.Rb2 Nc4 27.Rb5-+) 26.Bc1 (26.Rb2 Nc4 27.Ra2 Nd2 28.Red2 f4-+) 26...Na4 (26...Be6 27.Rab2 Bc4 28.Ne3-+) 27.Ne3 (27.Rac2 Be6 28.d5 Bf7-+) 27...f4 28.Nd1 (28.gf4 gf4 29.Nd5 Bh3 30.Ke1 Kf5-+) 28...Bf5 (28...Be6!? 29.Ke1-+) 29.Rac2 (29.Ra1 Bg4-+) 29…e3 (29...e3 30.fe3 fg3 (30...Bc2?! 31.Rc2 fg3 32.hg3-+) 31.hg3 Bg3-+) 0–1. Asaria,Danial (2240) – Hilby,Craig (2380), Memorial Day Classic, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    8.Ba2 Nd4 9.c3 b3 10.cd4 ba2 11.Nc3 ed4 (worse is 11...Nd5 12.Qh5 Qd7 13.Nh7 Nc3 14.dc3+=) 12.Nb5 Qe7 13.Qe2 Qe2 (worse is 13...Nd5 14.Nd6 Kd7 15.Ndf7 Qe2 16.Ke2 Ba6 17.Kd1+=) 14.Ke2 Ba6 15.a4 Nd5 16.Re1 Be7 17.Kd1 0-0 18.Nf3 Bf6 19.Bb2 Rab8 (19...Nf4 20.Ra2 Nd3 21.Bd4+=) 20.Bd4= (worse is 20.Nfd4 Rfd8 21.Ra2 Nb4-/+; worse is 20.Ra2 Bb5 21.ab5 Rb5-/+) 20...Bb5 21.ab5 Rb5 22.Bf6 (22.Ra2?? Bd4 23.Nd4 Rb1 24.Ke2 Re8 25.Kf3 Rbe1 26.Ra7 R1e4-+) 22...gf6 (22...Rb1!? 23.Ke2 Nf6 24.Reb1 ab1R 25.Rb1 a5=) 23.Ra2+= Rb1 24.Ke2 Re8 25.Kf1 Ree1 26.Ne1 Nb4 27.Ra7 Nd3 28.Re7 Rd1 29.Re3 Ne1 30.Re1 Rd2 ½–½. Rautenberg,Wilhelm – Klundt,Klaus, FRG–ch, 1969. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e5 5.Bc4 Nf6 6.Ng5 d5)

    8.Ba2 Nd4 9.c3 Nd5? 10.cd4 Bb7 11.Qh5+-.

    8.dc6 bc4 9.ab4 Bb4 10.0-0 0-0 11.Qe2 Qd5 Black intends e4 12.Na3 (12.Bb2 Qc6 13.Qe5 Re8-/+) 12...h6 (12...e4 13.h4 (13.Qc4? Qg5 14.Qb4 Bh3-+) 13...c3 14.d3 ed3 15.Qd3 Qc6 16.Rd1-+) 13.Nf3 e4 (13...Qc6?! 14.Ne5 (worse 14.Qe5 Bg4-/+) 14...Qd5 15.Nac4=) 14.Ne1 Be6 15.c3 (15.Bb2 Ng4 16.h3 Ne5-/+) 15...Bd6 16.Nec2 Bh2! 17.Kh2 Ng4 18.Kg3 Qg5?? (better 18...Qh5 19.Qe4 Qh2 20.Kf3 Nf6-+) 19.d4?? (better 19.f4 ef3 20.Rf3-/+ (20.Kf3?? Rae8 21.Kg3 Bc8-+)) 19…Ne3 (19...Ne3 20.Qg4 Qg4 21.Kh2 Qg2) 0-1. Hrabinska,Myroslava (2235) - Berdnyk,Mariia (2320), Titled Tuesday 7th July, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    8.dc6!? bc4 9.ab4 Bb4 10.Nc3 =.

    8.dc6 bc4 9.ab4 Bg4 10.f3 Bf5 11.Ra5 Qd4 12.g4 Bb4 13.c3 Qd6 14.cb4 Bb1 15.Bb2 Bd3 16.Re5 Kf8 17.Qa4 h6 18.b5 Kg8 (18...hg5?? 19.Ba3 Ne8 20.b6+-) 19.Nh3 Nd5 20.Kf2 (better is 20.Nf2!? Nb4 21.Bc3+/-) 20...f6= 21.Rd5 Qd5 22.Nf4 Qc5 23.Kg2 Qd6 24.Nd3 Qd3 (worse is 24...cd3 25.Re1+/-) 25.b6? (better is 25.Rf1-/+) 25...h5 26.Rc1 hg4 27.Qc4 Qc4 28.Rc4 gf3 29.Kf3 ab6 30.Kg3 Kf7 31.Rb4 Ke6 32.Rb6 Rhb8 33.Bd4 Rb6 34.h4 0–1. Vorobiev,Alexander (2060) – Sardi,Anibal (1900), IECG, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    7.ed5 Nd4

    8.ab4 b5 9.Ba2 Bg4 +=.

    8.ab4 Nd5 9.c3+= Nf5 10.0-0 (10.Qa4 Bd7 11.Nf7 Ba4 12.Nd8 Nf4+/-) 10...Qg5 (10...Be7 11.Ra5 Bg5 12.Rd5+/- (12.Bd5?! 0-0=)) 11.Bd5 Bd6 (11...Qd8 12.Qa4 Qd7 13.Qd7 Kd7 14.Bf7+/-) 12.d4 (12.Qa4 Ke7 13.d3+/-) 12...Qg6? (better is 12...Qf6!?+=) 13.de5+- Bc7 14.Qf3 0-0 15.Qe4 (15.Bb7?! Nh4 16.Ba8 Nf3 17.Bf3 Be5=) 15...Re8 16.Bf4 Rb8 (16...Nh4!?+/-) 17.Ra7+- Kh8 (17...Bb6 18.Ra1 Ne7 19.Qg6 Ng6 20.e6 Be6 21.Bb8 Bd5 22.Bd6+-) 18.Nd2 (18.Bb7 f6 19.Bc6 Re7 20.Rc7 Rc7+-) 18...Bd7 (18...Re7 19.Rfa1+-) 19.Rb7 (19.Bb7 Rb7 20.Rb7 Bc6 21.Rc7 Be4 22.Ne4 Nh4+-) 19...Re7 (19...Rb7 20.Bb7 Qe6+-) 20.Rc7 f6 (20...Bb5 21.Re7 Ne7+-) 21.e6 Bb5 (21...Be8 22.Re7 Ne7 23.Bb8+-) 22.Re7 Ne7 23.Bb8 Bf1 24.Nf1 Qe8 25.Bg3 1–0. Coppel,Ilvo – Attardi,Ubaldo, IECC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e5 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd4)

    8.ab4 Nd5 9.c3+= Qg5 10.Bd5 Be6 11.d3+= (worse is 11.Bb7 Bb3 12.cd4 Bd1 13.Ba8 Bc2+=).

    8.ab4 h6 9.Nf3 Nf3 10.Qf3 Bb4 11.0-0 0-0 12.Ba3 Ba3 13.Ra3 Qd6 14.Qb3 a6 15.Nc3 Rb8 16.Rb1 b5 17.Qb4 Rd8 18.Ba2 Bb7 19.Qd6 Rd6 20.d3 Rc8 21.g3 Rd7 22.Rb4 Rc5 23.d4 ed4 24.Rd4 Rdc7 (24...Bd5 25.Nd5 Kf8 26.Rd2+=) 25.Ne4 Rc2 26.Nd6 b4! 27.Ra5 (27.Rb4 Rc1 (27...Bd5)) 27...Ra2! 28.Nb7?? (28.Ra2 Rc1) 28...b3 (28...Rb7?! 29.Ra2 b3 30.Rb2+= (30.Ra6?? b2 31.Rd1 Nd5-+)) 29.Rb4 Re7 0–1. Zajarnyi,Anatolyi (2415) – Neverov,Valeriy (2540), Swidnica op rap Poland, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    8.c3 b5 9.Bf1 Nd5 10.h4 =+.

    8.c3 bc3 9.dc3 Qc7 10.Ba2 Nf5 11.0-0 h6 12.Nf3 Bd6 13.h3 0-0 14.Bb2 Qb6 15.Qb3 Qb3 16.Bb3 e4 17.Nd4 Nd4 18.cd4 b5 19.Nc3 Rb8 20.Nd1 (20.Bc2!?=) 20...Nh5 21.Bc1 f5 22.Bd2 Nf6 23.Bb4 Rd8 24.Rc1 Kh8 25.Bd6 Rd6 26.Rc6 Rd8 27.Rc5 b4 28.a4 Bb7 29.Ne3 f4 30.Ng4 Bd5 31.Bd5 Nd5 32.Ne5 Rb7 33.Rb1 Kh7 34.Nc6 Rdd7 35.Ne5 Rd8 36.Nc6 Rd6 37.Na5 Rb8 38.Nc6 Rb7 39.Na5 Re7 40.Nc4 Nc3 41.Nd6 Nb1 42.Kf1 Nc3 43.Re5 Re5 44.de5 b3 (44...Na4?! 45.Ne4 b3 46.Nd2-+) 45.Nc4 Na4 46.Nd2 b2 47.Nb1 Kg6 48.g3 fg3 49.fg3 Kf5 50.Ke2 Ke5 51.Ke3 a5 52.Nd2 Nb6 0–1. Vetoshko,Volodymyr (1985) – Shevtsov,Nikolay (2310), UKR–ch sf U20, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd4)

    8.c3 Nf5 9.0-0 Bd6 10.Bb5 Bd7= 11.Qa4 0-0 12.Bd7 Nd7=+ 13.Ne4 Nb6 14.Qb3 Be7 15.ab4= Qd5 16.Qd5 Nd5 17.d4 Nd6 18.Ra5= b5 19.Nd6+/- Bd6 20.Rb5 Nc7+= 21.Rb7 ed4 22.Rd1 Ne6 23.cd4 Rfb8 24.Rb8 Rb8 25.d5 Nc7 26.Be3 Rb4= 27.Ba7 Nd5 28.g3 Be7 29.Rd5 Rb1 ½–½. Chulivska,V (2195) – Yildiz,B (2130), WYg16 Heraklio GRE, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd4)

    8.d6 Qd6?! 9.ab4 Bg4 A) 10.Nf7?? Qb4 (10...Bd1?! 11.Nd6 Bd6 12.Kd1-/+) 11.f3 Qc4-+; B) 10.Bf7 Ke7 11.f3 Bf5-/+; C) 10.f3=.

    8.d6 Qd6 9.d3 Bg4 10.Bf7= Ke7 (10...Kd8 11.f3 h6 12.fg4 hg5 13.ab4 Qc7 14.Bc4 b5 15.Bg5 Bb4) 11.f3 h6 12.fg4 hg5 13.Bb3 e4 (13...Nb3 14.cb3 Qd4 15.Ra2 Kf7) 14.Be3 Rd8 (14...Nb3 15.cb3 ed3) 15.ab4? (better is 15.Qd2!? Nb3 16.cb3 Qd3 17.Ba7 ba3 18.Qd3 Rd3 19.Na3 Ng4 20.h3-+; 15.c3 Rh2) 15...Qg3!-+ (worse is 15...Nb3 16.cb3 Qg3 17.hg3 Rh1 18.Ke2 Rd1 19.Kd1 Rd3 20.Ke2-+) 16.Bf2 (16.hg3 Rh1 Decoy) 16...Qg2 17.Rf1? (17.Rg1 Nf3 18.Ke2 Ng1 19.Qg1 Qf3 20.Ke1 ed3 21.cd3 Ng4 22.Ra2 Qd3 23.Nd2 Rh2 24.Qg4 Rh1 25.Bg1 Qe3 26.Qe2 Rg1 27.Nf1 Qe2 28.Re2 Kd7 29.Kf2-+) 17...Nf3 (17...Nb3?! 18.Rg1 Qh2 19.cb3-+) 18.Ke2 Ng4 19.Ra7 (19.Nd2 ed3 20.cd3 Rh3-+) 19...Rh2 (19...ed3 20.cd3 Nf2 21.Rb7 Kd6 22.Rb6 Kc7 23.Rf2 Nd4 24.Kd2 Qf2 25.Kc3 Kb6 26.Nd2 Nb5 27.Kc2 Bb4 28.Bc4-+) 20.Rb7 Kf6 21.Nd2 Qf2 (21...Qf2 22.Rf2 Rf2) 0–1. Mereu,M (1960) – Ponizil,C (2310), XIX EYCC Boys U18, Fermo ITA, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e5 5.Bc4 Nf6 6.Ng5 d5)

    8.d6 Bd6 9.Nf7 (worse is 9.Bf7 Kf8 10.Bc4 Qc7+=) 9...Qc7 10.c3 (10.Nh8? Qc4 11.c3 Nb3-+; worse is 10.Nd6 Qd6 11.c3 Bg4+=) 10...bc3 11.dc3+= (11.Nh8 c2 12.Qe2 cb1B 13.Bb5 Bd7-+).

    8.d6 Bf5 9.Bf7 Kd7 =.

    8.d6 Bg4 9.Bf7 Kd7 10.f3 Bf5 11.d3 Bd6 12.ab4+= h6 13.Ne4 Ne4 14.fe4= Be6 15.0-0 Qe7 16.Be6+- Qe6 17.c3 Nc6 18.Be3 a6 19.Nd2 Rhf8 20.Nc4 Rf1 21.Qf1 Rf8 22.Qb1 Bc7 23.b5 Nd8 24.ba6 ba6 25.Nb6 Bb6 26.Bb6 Qc6 27.Ra6 Rf6 28.Ra7 Ke8 29.Bd8 Qc5 30.d4 Qa7 31.Bf6 gf6 32.Qb5 Kf7 33.Qc4 Kg7 34.h3 Qa1 35.Kh2 Qd1 36.Qc7 Kg6 37.de5 Qd2 38.e6 (38.e6 Qd3 39.Qf7 Kg5 40.Qg7 Kf4 41.Qf6 Ke4 42.Qg6 Ke3 43.Qh6 Ke2 44.e7+-) 1–0. Chulivska,V (2290) – Tsirulnik,Mari (2060), ch–UKR Girls u20, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd4)

    7.ed5 Nd5

    8.Nf7? Kf7-+ 9.Qf3 Ke6 10.0-0 Bc5?? (better 10...b5 11.Ba2 Bc5-+) 11.ab4=+ Bb4?? (better 11...Ncb4 12.Nc3 Rf8=) 12.Nc3+- Bc3 13.dc3 Nce7 14.Re1 Rf8 (14...Qc7 15.Bb3 Bd7+-) 15.Qe4+- Qc7 (15...Rf6 16.Ba3 Kf7 17.Be7 Qe7 18.Qd5 Be6 19.Qe5+-) 16.Bg5 (16.Ba3 Rf5 17.Be7 Ke7 18.Qd5 Kf6+-) 16...Rd8? (16...Rf5 17.Be7 Ke7 18.Bd5+-) 17.Be7 (17.Rad1!? a5+-) 17...Ke7 18.Bd5 Qc3 (18...Be6 19.Be6 Ke6 20.Qh7 Rf8+-) 19.Rad1 (better 19.Rab1 Rd7 20.Re3+-) 19...Be6? (better 19...Bf5 20.Qf5 Rd5 21.Qh7 Kf6 22.Qh4 Ke6+-) 20.Rd3+- (20.Rd3 Qd3 21.cd3 Rd5 22.f4+-) 1–0. Gelemerov,Yane (2100) – Kolev,Nikola (1680), 123rd MGU Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd5)

    8.Nf7? Kf7-+ 9.Qf3 Ke6 10.ab4 Bb4 11.c3 Rf8 (better is 11...Bc5 12.Qe4 Rf8-+) 12.Qg4-/+ Kd6 13.Qg7? (13.Qg3 Nb6 14.Bb3 Be6 15.cb4 A) worse is 15...Nb4 16.d4 Bb3 17.Qb3+= (17.de5? Kc6 18.Qc3 Bc4 19.Qb4 Qd4 20.Qd6 Qd6 21.ed6 Rf6-+); B) 15...Nd4+=) 13...Be6 (better is 13...Bc5!? 14.Ba3 Qf6-+) 14.cb4-/+ Qh4 15.Bd5 Qf2 16.Kd1 Bd5 (16...Kd5?! 17.Nc3 Kc4 18.Re1= (18.Qb7?? Kd3 19.Qa6 Bc4-+)) 17.Ba3 Nd4?? (17...b5 18.Qh6 Rf6-+) 18.b5+- Ke6 19.Qg4?? (19.Qe7 Kf5 20.Qh7 Kf6 21.Nc3 (worse is 21.Bf8 Qe2 22.Kc1 Rc8 23.Nc3 Rc3 24.dc3 Nb3 25.Kb1 Be4 26.Qe4 Qe4 27.Kb2 Na1 28.Ra1 Qe2 29.Kb3 Qb5 30.Bb4 a6-+) 21...Bb3 22.Kc1+/-) 19...Rf5-+ 20.Nc3 (20.Bc5 Bg2 21.Bd4 Bf3 (21...Qd4?! 22.Qg2 Qa1 23.Qb7-+) 22.Kc2 Rc8 (22...Qd4?! 23.Qd4 ed4 24.Re1 Kd5 25.Ra5-+) 23.Kb3 Qe2 (23...Bg4?! 24.Bf2 Rf2 25.Nc3-+; 23...Qd4?! 24.Qd4 ed4 25.Re1 Kd6 26.Kb4-+) 24.Qf5 Kf5-+) 20...h5 21.Qg6 Rf6 22.Qd3 Qg2 23.Re1 Qf3 24.Qf3 Bf3 25.Kc1 Nb3 26.Kb2 Na1 27.Ka1 Rd8 28.Bc1 Rd4 29.Rf1 a6 30.ba6 ba6 31.Kb2 Rb4 32.Ka3 Rh4 33.Rf2 Bc6 34.Re2 Rf3 35.Bb2 Bb5 36.Re1 Rh2 37.d4 Re2 38.Rd1 Ree3 39.Kb4 Rd3 40.d5 Kd6 41.Rg1 Rd4 42.Ka5 Rg4 43.Re1 h4 44.Ba3 Kc7 45.Rc1 Rc4 46.Bb4 Rfc3! 47.d6 Kc6 48.d7 Rc1 (48...Rc1 49.d8N Kd5 50.Nf7 Ra1 51.Kb6 Rb4 52.Kc7 h3 53.Kd8 h2 54.Ke7 h1Q 55.Kd8 Qh4 56.Kc8 Qg4 57.Kb8 Bc6 58.Kc7 Qd7) 0–1. Zvan,Ziga (2200) – Bratko,Ivan (2135), SLO Cup Gostovanja, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    8.Qh5 g6

    9.Qf3 Nf4 10.Bf7 Ke7 11.g3 Nh3 12.Nh3 Nd4 13.Qd5? (better is 13.Qe4 Kf7 14.Ng1-+) 13...Bh3?? (better is 13...Qd5 14.Bd5 Nc2 (14...Bh3?! 15.Ra2-/+) 15.Kd1 Na1-+) 14.Bb2 Bg7?? (better is 14...Qd5 15.Bd5 Nc2 16.Kd1 Na1 17.Be5 Bh6-/+) 15.Bd4+= ed4 16.Qb7 Qd7 17.Qd7 Bd7 18.Bd5 d3 19.c3 bc3 20.Nc3 (20.Ba8 c2 21.Nc3 Ra8-+) 20...Rac8 21.Rc1 Rc5 22.Be4 Rhc8 23.Bd3 Bc3 24.dc3 Rc3 25.Kd2 Ra3 26.Rhe1 Kf6 27.Rc8 Bc8 28.Rc1 Bf5 29.Bf5 Kf5 30.Rc4 Ra5 31.h4 Rd5 32.Ke3 h5 33.Rc7 a6 34.Rc6 Re5 35.Kf3 Re6 36.Rc5 Re5 37.Rc6 Re6 38.Rc5 Kf6 39.Ra5 Rb6 40.g4 hg4 41.Kg4 Kf7 ½–½. Hrabinska,Myroslava (2220) – Biriukov,Oleg V (2370), St Petersburg White Nights op, 2004. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    9.Qf3 Nf4 10.Bf7 Kd7 11.Nh3 Qf6 12.Bb2 Ng2! 13.Qg2 Qf7 14.0-0 Kc7 15.Ng5 Qf4 16.ab4 Bb4 17.Nc3 Bc3 18.Bc3 h6 19.Ne4 g5 20.Rfe1 Rf8 21.Nc5=+ Bh3 22.Qg3 Qg3-/+ 23.hg3 Rae8 24.Nd3 e4 25.Nb4=+ a6 26.Nd5 Kd8 27.Nf6 Re6 28.Ne4 Bf5 29.d3 Kc7 30.Nc5 Re1 31.Re1 Rf7 32.Ne6 Kd6=+ 33.Nd4 Nd4 34.Bd4 h5 35.f4 gf4 36.Be5 Kc6 37.Bf4 a5 38.d4 b5-/+ 39.c3 Bd3 40.Kf2 a4 41.Ra1 Kd5 42.Ke3 Kc4 43.Ra3 Bg6 44.Bd6 Rf1 45.Bb4 Rb1 46.Ke2 Be4 47.Ke3 Bd5 48.Kf4 Rb4 49.cb4 Kd4 50.Kg5 Kc4 51.Kh5 Kb4 52.Ra1 a3 53.Kg5 a2 54.Kf5 Kc3 55.Ke5 Bg8 56.Rc1 Kb2 57.Rf1 a1Q 58.Ra1 Ka1 59.Kd4 b4 0–1. Yakivchik,M (2305) – Cvek,R (2475), Open A Pardubice CZE, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd5)

    9.Qf3 Qg5 10.Bd5 Nd8 11.0-0 Qf5 12.Qb3 ba3 13.Na3 Be7 14.Nc4 0-0 15.Nb6 Rb8 16.Ra7 Bc5 17.Ba3 Ba3 18.Ra3 Nc6 19.Qc4 Nd4 20.c3 Ne6 21.Ra5 Rd8 22.Re1 Kg7 23.h4 Nf4 24.Qc7 Nd3 25.Re2 Nf4? 26.Re5+- Qf6 27.Qb8 Qb6 28.Bf3 Rd2?? 29.Rec5+- Nd3 30.Qc8 Qb1 31.Kh2 b6 32.Ra8 Nc5 33.Qh8 Kh6 34.Qf8 1–0. Kravtsiv,Martyn (2295) – Ryskal,Vladimir (2175), UKR–ch sf Alushta, 2004. (=1.e4 c5 2.b4 cb4+= 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5)

    9.Qf3 Qg5 10.Bd5 Nd8 11.0-0 Qg4 12.Bb2 Qf3-/+ 13.Bf3 f6 14.d4 ed4 15.Bd4= Kf7 16.Re1 Bd7 17.ab4= Bb4 18.c3 Bd6 19.Nd2 Nc6 20.Bd5 Kg7 21.Nc4 Bf8 22.Bc6 bc6?? 23.Nb6!+- ab6 24.Ra8 c5 25.Ra7 cd4 26.Rd7 Kh6 27.cd4 Bb4 28.Re3 g5 29.Re6 Kg6 30.Rb6 Re8 31.g4 (31.g4 Bc3 32.h3+-) 1–0. Perez Pietronave,Carlos (2265) – Ortega Morales,J, Martinez Valle op2, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd5)

    9.Qf3 Qg5 10.Bd5 Nd8 11.0-0 Bg7 12.ab4= 0-0 (12...Qg4 13.Qg4 Bg4 14.Bb2+=) 13.Nc3 (13.d3 Qg4 14.Qg4 Bg4=) 13...Ne6 (13...Qf5 14.Qd1=) 14.Qe3 (14.Be6 Be6 15.Qb7 Rfb8=) 14...Nf4= 15.Ra7?? (better 15.d3=) 15...Nh3-+ 16.Kh1 Qe3 17.fe3 Ra7 18.gh3 Bh3 19.Re1 (19.Rg1 Rd8-+) 19...Ra1 (19...Rd8 20.b5-+) 20.b5 (20.Rg1 Rd8-+) 20...b6 21.Kg1 (21.Rg1 Rd8-+) 21...Bf6 (21...Rc8 22.Bc6-+) 22.Ne4 (22.Rd1 Rd8 23.e4 Rc8-+) 22...Bh4 23.Nf2 (23.Ng3 Rc8 24.Bc6 Rd8-+) 23...Be6 (23...Rc8 24.Bc6-+) 24.Bc6 f5 (24...Ra2 25.c3-+) 25.d3 (25.Rd1 Rd8-+) 25...f4 26.ef4 (26.e4 Ra2 27.Re2-+) 26…Rf4 (26...Rf4 27.Ne4 Be1 28.Bf4 Bg3 29.Kg2 Bf4 (29...ef4?! 30.hg3 fg3 31.Kg3-+) 30.Nf6 Kg7-+; 26...ef4?! 27.Kf1-+) 0–1. Zajarnyi,Anatolyi (2270) – Shirov,Alexei (2700), 5. Chebanenko Rapid Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 Nf6 6.Ng5 d5 7.ed5 Nd5)

    5.Bc4 h6

    6.0-0 ba3 A) 7.Re1 A1) 7...Nf6 8.Qe2 (8.Na3 Bc5 9.c3 Qa5 10.Qb3 0-0 11.Nc2 Qc7 12.d4 Bd6 13.Ne3=; 8.Nc3 a6 9.Ba3 Ba3 10.Ra3 d6 11.Qb1 0-0 12.Bd5 Qc7 13.Nb5-/+; 8.d3 a6 9.Na3 Bb4 10.Bd2 Bd2 11.Qd2 d6 12.Reb1 0-0 13.Qe3+=) 8...g5 9.d4 ed4 10.e5 Ng8 11.Ba3 Qa5 12.Qd3 Bb4 13.Re4=; A2) 7...g5 8.d4 (8.d3 Nf6 9.c3 g4 10.Nfd2 Rh7 11.d4 a2 12.Ra2 Qc7 13.Na3=; 8.h3 d6 9.Nc3 g4 10.hg4 Bg4 11.Ba3 Nf6 12.Bb5 Rg8 13.Bb2-/+) 8...Qc7 9.Na3 Ba3 10.Ba3 g4 11.Nd2 g3 12.fg3 Nd4 13.Rf1=; A3) 7...a2 8.Ba2 (8.Nc3 Bc5 9.Ra2 Nf6 10.Nd5 d6 11.c3 Bg4 12.h3 Bh5 13.d4=; 8.Ra2 Qc7 9.c3 d6 10.d3 Nf6 11.Qb3 Bg4 12.Nbd2 b6 13.h3=; 8.Na3 Bc5 9.Ra2 Nf6 10.d4 Bd4 11.Nd4 Nd4 12.Be3 0-0 13.Bd4=) 8...Be7 9.d4 d6 10.Bb2 Bg4 11.Qd3 Qb6 12.Nbd2 ed4 13.Bd4=; A4) 7...Qc7 8.Na3 (8.Ba3 Nf6 9.Nc3 Ba3 10.Nb5 Qb6 11.Ra3 0-0 12.d4 d6 13.c3+=; 8.d3 Nf6 9.Na3 a6 10.Bb3 b6 11.d4 d6 12.d5 Na5 13.Bd2+=; 8.Nc3 Nd4 9.d3 Nf3 10.Qf3 Nf6 11.Nd5 Nd5 12.Bd5 f6 13.c4+=) 8...Bc5 9.c3 Ba3 10.Ra3 Nf6 11.d4 d6 12.d5 Ne7 13.Bb5=; B) 7.Nc3 B1) 7...a6 8.d4 (8.Ba3 Ba3 9.Ra3 Nf6 10.Qe2 0-0 11.Rb1 d6 12.Nd5 Nd5 13.Bd5+=; 8.Bd5 Qa5 9.Qe2 Nf6 10.Qc4 b5 11.Bf7 Kd8 12.Qe2 Bc5 13.Nb1=) 8...b5 9.Bd5 ed4 10.Nd4 Nge7 11.Nc6 Nc6 12.Bf7 Kf7 13.Qd5=; B2) 7...Nf6 8.Qe2 (8.Re1 a6 9.Ba3 Ba3 10.Ra3 d6 11.Qb1 0-0 12.Bd5 Qc7 13.Nb5-/+; 8.Ba3 Ba3 9.Ra3 0-0 10.Qe2 Qe7 11.Rfa1 d6 12.Nd5 Qd8 13.Qd3+=; 8.Nd5 a6 9.d4 ed4 10.Nd4 b5 11.Bb3 Bc5 12.Be3 Ba7 13.Ra3+=) 8...Bb4 9.Nd5 Bc5 10.Ba3 d6 11.Bc5 dc5 12.Qe3 b6 13.Bb5=; B3) 7...Bc5 8.Nd5 (8.Ba3 Ba3 9.Ra3 d6 10.d4 Bg4 11.Ne2 a6 12.Qa1 Bf3 13.Rf3+=; 8.Bd5 Qe7 9.Nb5 d6 10.Ba3 Ba3 11.Ra3 Nf6 12.Qe2 0-0 13.Rfa1+=; 8.Na4 Be7 9.Ba3 Ba3 10.Ra3 Nf6 11.Nc3 0-0 12.Qe2 d6 13.Rb1+=) 8...Nf6 9.c3 Ne4 10.d4 ed4 11.Qe2 f5 12.Nd2 g5 13.Ne4=; C) 7.Qe2 C1) 7...Nf6 8.Nc3 (8.Ba3 Ba3 9.Na3 0-0 10.Rfb1 d6 11.Qd3 Qe7 12.Nb5 Bg4 13.Qd6+=; 8.Rd1 Bc5 9.Ba3 Ba3 10.Na3 d6 11.d4 Bg4 12.de5 Ne5 13.Nb5+=; 8.Na3 Bc5 9.Nb5 d6 10.Bb2 Bg4 11.h3 Bh5 12.Na3 a6 13.Rfb1-/+) 8...Bb4 9.Nd5 Bc5 10.Ba3 d6 11.Bc5 dc5 12.Qe3 b6 13.Bb5=; C2) 7...Bc5 8.Bf7 (8.Ba3 d6 9.Nc3 Ba3 10.Ra3 Nf6 11.Rb1 0-0 12.Qe3 Qc7 13.Nb5+=) 8...Kf7 9.Qc4 d5 10.Qc5 Nf6 11.ed5 Qd5 12.Qa3 e4 13.Ne1=; C3) 7...Bb4 8.c3 (8.Ba3 Ba3 9.Na3 Nf6 10.Nb5 0-0 11.Rfb1 d6 12.Qd3 Ne8 13.Qe3=; 8.Na3 Nf6 9.Nb5 0-0 10.c3 Be7 11.d4 ed4 12.Nbd4 d6 13.Rd1=) 8...Bc5 9.Bf7 Kf7 10.Qc4 d5 11.ed5 Na5 12.Qc5 Nb3 13.Qa3=; C4) 7...d6 8.Nc3 Nf6 9.Ba3 Be7 10.Qd3 0-0 11.Rfb1 b6 12.Bd5 Bb7 13.Nb5=; D) 7.Na3 D1) 7...Bc5 8.c3 (8.Bb2 d6 9.d4 ed4 10.Nd4 Nf6 11.Bb5 Bd7 12.Nb3 Ba3 13.Ra3=) 8...Nf6 9.d4 ed4 10.cd4 Bb4 11.Qb3 Qe7 12.e5 Ne4 13.Nb5+/-; D2) 7...Nf6 8.d3 (8.Re1 Bc5 9.c3 Qa5 10.Qb3 0-0 11.Nc2 Qc7 12.d4 Bd6 13.Ne3=; 8.Bb2 d6 9.Qe2 Bg4 10.h3 Bh5 11.Rfd1 a6 12.d4 ed4 13.Bd4+=; 8.Qe2 Bc5 9.Bb2 d6 10.Nb5 Bg4 11.h3 Bh5 12.Na3 a6 13.Rfb1-/+) 8...d5 9.ed5 Nd5 10.Bb2 f6 11.d4 Nb6 12.Qd3 Nc4 13.Qg6=.

    6.0-0 Qc7 A) 7.Bb2 A1) 7...Nf6 8.Qe2 (8.Re1 ba3 9.Na3 Ba3 10.Ba3 d6 11.c3 a6 12.Qc2 0-0 13.Qd3+=; 8.d3 a6 9.ab4 Bb4 10.Qe2 0-0 11.c3 Ba5 12.d4 d6 13.Bd3-/+; 8.d4 ed4 9.e5 d5 10.Bb5 Nd7 11.Bd4 ba3 12.Nc3 Nd4 13.Qd4+=) 8...a6 9.d4 ed4 10.Nd4 ba3 11.Na3 Ne5 12.Bb3 Ba3 13.Ra3=; A2) 7...ba3 8.Ba3 (8.Na3 Ba3 9.Ba3 Nf6 10.Qe2 a6 11.Rfb1 b5 12.Bd5 d6 13.Qd3+=) 8...Nf6 9.Qe2 Nh5 10.Qd3 Nf4 11.Qb3 d6 12.Nc3 Na5 13.Qa4=; B) 7.ab4 Nb4 8.d3 (8.Na3 Nf6 9.d3 a6 10.c3 Nc6 11.Qb3 d6 12.Nc2 b6 13.Be3=) 8...b5 9.Bb5 Nc2 10.Ra4 Rb8 11.Rc4 Bc5 12.Nc3 a6 13.Qc2+-.

    6.0-0 Qf6 A) 7.c3 A1) 7...ba3 8.d4 (8.Na3 Ba3 9.Ra3 d6 10.Qb3 Qg6 11.d3 Nge7 12.Be3 Bg4 13.Nh4=; 8.Ba3 d6 9.d3 a6 10.Bc1 Be7 11.Be3 Qg6 12.Qb3 Bd8 13.Nbd2=) 8...a6 9.Na3 Nge7 10.de5 Ne5 11.Ne5 Qe5 12.Qb3 Qh5 13.Bf4+=; A2) 7...bc3 8.Nc3 Bc5 9.Bb2 Nge7 10.Nb5 0-0 11.d4 ed4 12.Nbd4 Nd4 13.Nd4=; B) 7.d3 B1) 7...ba3 8.Nc3 (8.Na3 Ba3 9.Ra3 d6 10.c3 Nge7 11.Qb3 b6 12.Be3 0-0 13.Qb5+=; 8.c3 Na5 9.Ba2 d6 10.Na3 Bg4 11.Qa4 Nc6 12.Nd2 Qg6 13.f3=; 8.Be3 Na5 9.Na3 Ba3 10.Ra3 Nc4 11.dc4 a6 12.Rd3 Qe6 13.Rd5=) 8...Nge7 9.Nb5 Kd8 10.Ba3 Ng6 11.d4 Ba3 12.Ra3 ed4 13.Nfd4=; B2) 7...b6 8.Bb2 (8.Be3 Bb7 9.ab4 Bb4 10.c3 Be7 11.d4 a6 12.Bd5 ed4 13.cd4=; 8.c3 bc3 9.Nc3 Nge7 10.Nb5 Kd8 11.d4 ed4 12.Nbd4 Nd4 13.Nd4=; 8.ab4 Bb4 9.c3 Bc5 10.d4 ed4 11.e5 Qf5 12.cd4 Bb4 13.Qe2+=) 8...ba3 9.Na3 Ba3 10.Ra3 Nge7 11.d4 ed4 12.Nd4 Nd4 13.Bd4+/-; B3) 7...Rb8 8.Be3 (8.ab4 Bb4 9.Be3 b5 10.Bd5 a6 11.d4 ed4 12.Nd4 Nge7 13.c3+=; 8.Bb3 b5 9.Be3 ba3 10.Na3 Bb4 11.Nb1 a5 12.c3 Bd6 13.Nbd2+=) 8...b5 9.Bb3 a5 10.d4 ed4 11.Nd4 a4 12.Bd5 Nge7 13.Re1=; B4) 7...a6 8.ab4 (8.Bb2 ba3 9.Na3 d6 10.Nd2 Qd8 11.Qh5 Qc7 12.Nb5 ab5 13.Qf7+=) 8...Bb4 9.Be3 d6 10.c3 Bc5 11.d4 Ba7 12.Qd3 Nge7 13.d5=; C) 7.ab4 Bb4 8.c3 (8.Bb2 d6 9.c3 Ba5 10.d4 Bb6 11.Bb5 Bd7 12.Nbd2 Nge7 13.Nc4=; 8.d3 d6 9.c3 Bc5 10.Be3 Nge7 11.d4 ed4 12.cd4 Bg4 13.Ra4+=; 8.Ba3 d6 9.Bb4 Nb4 10.Bb5 Nc6 11.Nc3 Bg4 12.Nd5 Qd8 13.h3=) 8...Bc5 9.d4 ed4 10.e5 Qd8 11.cd4 d5 12.ed6 Bd6 13.Qa4=; D) 7.Bb2 D1) 7...Qf4 8.Re1 (8.d3 a6 9.Bd5 ba3 10.Na3 Ba3 11.Ba3 Nge7 12.c4 Qf6 13.Bc6=; 8.Bd5 d6 9.d4 Bg4 10.ab4 Bf3 11.gf3 Nge7 12.Re1 Nd5 13.ed5=; 8.d4 ed4 9.Nd4 ba3 10.Na3 Nf6 11.Ne2 Qe4 12.Nb5 Kd8 13.Bf7+=) 8...Bc5 9.ab4 Bb4 10.c3 Bd6 11.d4 Nf6 12.h3 Nh7 13.Bc1+=; D2) 7...Bc5 8.ab4 (8.d4 Nd4 9.Bd4 ed4 10.ab4 Bb4 11.Nd4 Ne7 12.c3 Bc5 13.Nb3+=; 8.Re1 d6 9.ab4 Bb4 10.c3 Ba5 11.d4 Bb6 12.Bb5 Bd7 13.Nbd2=) 8...Bb4 9.c3 Be7 10.d4 a6 11.Na3 Ra7 12.Bd5 Ba3 13.Ba3+=; D3) 7...Bd6 8.ab4 (8.d3 Nge7 9.d4 ed4 10.ab4 Bb4 11.Nd4 Bc5 12.Nc6 Qb2 13.Ra2+=; 8.d4 ed4 9.ab4 Bb4 10.Na3 Qf4 11.Nb5 Kf8 12.Bd3 Nf6 13.Nfd4=; 8.Ra2 Qf4 9.d3 Nge7 10.ab4 Bb4 11.c3 Bc5 12.d4 Bb6 13.Nbd2=) 8...Bb4 9.c3 Be7 10.d4 a6 11.Na3 Ra7 12.Bd5 Ba3 13.Ba3+=; D4) 7...a6 8.d4 ed4 9.Nd4 Qg6 10.ab4 Bb4 11.Nb5 Kd8 12.e5 ab5 13.Bf7=.

    6.0-0 Nf6 7.d4 Qc7 (7...ed4 8.Re1 (8.Nd4 Ne4 9.ab4 Bb4 10.c3 Be7 11.Nb5 0-0 12.Re1 Nf6 13.Nd6-/+) 8...Qc7 9.e5 Ng4 10.Re4 Nge5 11.Ne5 Ne5 12.Qd4 f6 13.ab4=) 8.Qe2 (8.d5 Nd4 9.Bd3 Nf3 10.Qf3 ba3 11.Na3 Qc3 12.Ra2 Qa5 13.Qg3=; 8.Bb2 ed4 9.e5 d5 10.Bb5 Nd7 11.Bd4 ba3 12.Nc3 Nd4 13.Qd4+=; 8.Be3 ed4 9.Bd4 Nd4 10.Qd4 Bc5 11.Qd3 d6 12.ab4 Bb4 13.Bb5+=) 8...d6 (8...ed4!? 9.e5 Nh7+= 10.Rd1 Ng5 11.Bg5 hg5 12.Ng5 Qe5 13.Qe5+=) 9.ab4 (9.d5!? Nb8 10.ab4+/- Nbd7 11.Na3 a6 12.Bd3 Be7 13.c4+/-) 9...Bg4 (9...Nb4 10.Ra4 Nc6 11.d5 Nb8 12.Nc3 a6 13.Nb5=) 10.Bb5 Bd7 (10...ed4 11.Bb2 Be7 12.Bd4 0-0 13.Bc6=) 11.Bb2 (11.c3 ed4 12.Nd4 Nd4 13.Bd7+=) 11...Be7 (11...Nb4 12.de5 de5 13.Ne5+=) 12.Bc6 (12.de5 Ne5 13.Bd7+/-) 12...Bc6 13.de5 de5 14.Be5 Qb6 15.Nc3 0-0 16.b5 Bd7 17.Rfd1 Bg4 18.h3 Bf3 19.Qf3 (19.gf3?! Qe6 20.Bd4 Qh3 21.Ra7 Ra7 22.Ba7 Re8+=) 19...Rfd8 20.Qg3 Qe6 21.f4 Nh5 22.Qf3 g6 23.Nd5 Bd6 24.Bb2 Rac8 25.f5 Bc5 26.Kh1 Rd5?? (better is 26...Qe8+-) 27.fe6 (27.Rd5 Qe4 28.Qc3 Ng3 29.Qg3 Qd5+-) 27...Rg5 28.Qf7 1–0. Strater,Heinz (2060) – Prodinger,Johannes, 10th Neumarkt am Wallersee Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 h6)

    6.Bb2 d6 7.ab4 Nf6 8.b5 Na5 9.Ba2 (9.Bd3 Be6+=) 9...Be7 (better 9...Ne4!? 10.d4 Bf5=) 10.Bc3+/- b6 11.Ba5 (11.d4 ed4 12.Nd4 a6+/-) 11...ba5+= 12.0-0 (12.d4 A) 12...Ne4? 13.Bd5 (13.de5?! Bb7+/-) 13...Bf5 14.Bc6 Kf8 15.Ba8 Qa8 16.0-0+-; B) 12...Bg4+=) 12...0-0 (12...Ne4 13.Bd5 Bg4 14.Bc6 Kf8 15.Ba8 Qa8 16.h3+/- (16.Ra5?! Ng5 17.Ra3 e4=+)) 13.Nc3 a6 14.b6 Qb6 15.Qe2 Bd7 (15...Qc7 16.Rfb1=) 16.Rfb1 Qc7 17.Nd5 (17.Bd5 Rab8=) 17...Nd5 18.Bd5 Rab8 19.c3 Rb1 20.Rb1 Rb8 21.Rb8 Qb8 22.Qa6 Qb1 23.Qf1 Qf1 24.Kf1 a4 25.Ke2 Be6 (25...a3 26.Kd3=+) 26.Kd3 Bd5 27.ed5 f5 (27...g5 28.Ne1=+) 28.Kc4= Bf6 (28...g5 29.Kb4=) 29.Kb4 (29.d3 g5+/-) 29...Kf7 (29...e4 30.Ng1=+) 30.Ka4 (better 30.d3!?+/-) 30...e4= 31.Nd4 (31.Ng1!? Bg5 32.d3 ed3 33.Kb3=) 31...Bd4-/+ 32.cd4 f4 33.Kb5 Ke7?? (better 33...Ke8=+) 34.Kc6+- g5 35.Kc7 g4 Black plans f3 36.Kc6 White intends g3 36...h5 37.Kc7 h4 38.Kc6 (better 38.g3 h3 39.gf4+-) 38...g3-+ 39.hg3 f3 (better 39...hg3!? 40.fg3 f3 41.gf3 ef3 42.Kb5-+) 40.gf3 h3 (better 40...hg3 41.fe4 gf2 42.e5-+) 41.fe4 h2 42.e5 h1Q 43.ed6 Kd8 0-1. Hrabinska,Myroslava (2240) - Babicka,Michal (2005), 30th Czech Rapid G1, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6)

    6.ab4 Bb4 7.c3 Be7 (better is 7...Ba5!?= 8.Ba3 (8.0-0 Nf6 9.d4 ed4 10.Nd4 0-0 11.Re1 Nd4 12.Qd4 Bb6 13.Qd1-/+; 8.d4 ed4 9.Nd4 Nf6 10.Nf5 d5 11.Bd5 Bf5 12.Bc6 bc6 13.ef5+=; 8.Qb3 Qf6 9.d3 Nge7 10.0-0 a6 11.d4 b5 12.Bd3 ed4 13.cd4+=) 8...d6 9.Qe2 Nf6 10.0-0 Bb6 11.d4 Qc7 12.Rd1 ed4 13.cd4+=; 7...Bd6 8.0-0 (8.d4 Nf6 9.Nbd2 0-0 10.0-0 ed4 11.cd4 Bb4 12.d5 Na5 13.Bd3=; 8.Qb3 Qe7 9.d3 Bc5 10.0-0 d6 11.Nbd2 Nf6 12.Qb2 0-0 13.Rd1+=) 8...Nf6 9.Re1 b6 10.d4 Qc7 11.Na3 a6 12.Bd5 Ra7 13.Nc4+/-; 7...Bc5 8.d4 ed4 9.cd4 Qf6 10.e5 Bb4 11.Bd2 Bd2 12.Nbd2 Qf4 13.g3+=) 8.Qb3+/- Nf6 (8...Kf8 9.Bf7 Bc5 10.d3 Nf6 11.Nbd2 Qe7 12.Bc4 Ke8 13.Ba3+/-) 9.Bf7 Kf8 10.Nh4 g5 (10...d5 11.Bd5 Qe8 12.Ba3 g5 13.Bc6+-) 11.Ng6 Kg7 12.Nh8 Qh8 13.d3 b6 14.Bd5 Bb7 15.Qd1 Nd5 16.ed5 Na5 17.c4 Bf6 18.Bb2 Qf8 19.0-0 e4 20.Bf6 Qf6 21.Ra2 Ba6 22.Na3 (22.de4?! Bc4 23.Re2 Be2 24.Qe2 Nb3+=) 22...Rc8 23.Nb5 ed3 24.Qd3 (24.Na7?! Rc4 25.Qb1 Rc2+=) 24...Re8?? (24...Qf4 25.Qc3 Kg8+-) 25.Nc7 (25.Nc7 Rc8 26.Na6 Nc4 27.Re2+-) 1–0. Duncker,Joachim (2270) – Schlachetzki,Horst (1925), Schwaebisch Gmuend GER, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 Nc6 5.Bc4 h6)

    4.Nf3 d5

    5.ab4 de4=+ 6.Bb5? (better 6.Ne5 Nd7 7.Bb5=+) 6...Bd7-+ 7.Bd7 (7.Ne5 Bb5 8.Nf7 Kf7 9.Qh5 g6 10.Qb5 Qd7 11.Qc4 Qe6 12.Qc7 Ne7-+) 7...Nd7 8.Ng1 Bb4 9.Qg4 (9.Ne2 Ngf6-+) 9...Ngf6 10.Qg7 (10.Qh3 Nc5-+) 10...Rg8 11.Qh6 Rg2 (11...Bc5 12.Nc3 Bf2 13.Ke2-+) 12.Qh3 Rg6 13.Ne2 Qb6 14.Ba3 (14.Nbc3 Ng4 15.Qf1 Qc5-+) 14...Ng4 (better 14...Ba3 15.Na3 Ng4 16.Qg3-+) 15.Rf1 (15.Bb4 Qf2 (worse 15...Qb4 16.Nbc3-+) 16.Kd1 Qb6-+) 15...0-0-0 (better 15...e3-+) 16.Bb4 Qb4 17.Nbc3 Ndf6 18.f3 (18.Ra7 Kb8 19.Ra4-+) 18...Rh6 19.Qg2 Nh2 20.fe4 Nf1 21.Qf1 Kb8 22.Qg1 (22.Qf3 Qe7-+) 22...a6 (22...Ne4?! 23.Ra4 Qc5 24.Re4 Qg1 25.Ng1-+) 23.Rb1 Qd6 24.d3 Rg8 25.Qf1 (25.Qe3 Rh1 26.Kd2 Rb1 27.Nb1 h5-+) 25...Rh2 26.Kd2 Rgg2 27.Qf3 (27.Kc1 Qe6 28.Rb4 Ng4-+) 27...Ng4 28.Kc1 Re2! 29.Ne2 (29.Ne2 h5 Passed pawn; 29.Qe2 Qh6 Double attack (29...Qh6 Decoy)) 29...Qh6 (better 29...Qa3 30.Kd1 h5 31.Ke1-+) 30.Kb2 Qd2 (better 30...f5!? 31.ef5 Qb6 32.Ka2 Qa5 33.Kb2 Qb4 34.Ka2 Qa4 35.Kb2-+) 31.Qg4 Re2 (31...Qe2?! 32.Qg8 Ka7 33.Qc8=) 32.Rc1 (32.Qg8 Ka7 33.Qc8 Qb4 34.Ka2 Qa5 35.Kb2 Rh2-+) 32...Qb4 (better 32...Qd3! 33.Qg8 Ka7 34.Qg1 Qe3 35.Qe3 Re3 36.Rf1-+) 33.Ka2 Qa4 34.Kb2 Qb5 35.Ka1 Qa5 36.Kb2 Qb6 37.Ka1 Qe3 (37...Rf2 38.Qg5 Qd4 39.Kb1-+) 38.Kb1 Re1 (better 38...Rh2!? 39.Qg1 Qg1 40.Rg1-+) 39.Re1 Qe1 40.Kb2 Qb4 41.Kc1 Qd6 (41...Qf8!?-+) 42.Qg8-/+ Ka7 43.Qh7 (43.Qf7 h6 44.Qf2 Qb6 45.Qf7-/+) 43...a5 (better 43...f6!?-/+) 44.Qf7= Ka6 45.Qb3 b5 46.Kb2 a4 47.Qa3 Qb6 48.Qc3 Qd6 ½–½. Turcan,Richard (1900) – Orosi,Peter (2120), Open Oravska Priehrada, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.Ne5 de4 6.Bb2 Be6 7.Bb5= Nd7 8.Bd7 (8.ab4 A) 8...Bb4? 9.Nd7 Bd7 10.Bd7 Kd7 11.Qg4 Kc7 12.Qg7+- (12.Qe4?! Qe7 13.Qe7 Ne7+=; 12.Bg7?! Ne7+-); B) 8...Qg5 9.0-0 Ngf6=) 8...Bd7 9.ab4 Nf6 (9...Be6 10.Qe2 Qb6 11.b5=) 10.Nd7 (10.Qe2 Be7+=) 10...Qd7= 11.Bf6 gf6 12.Nc3 (12.Qe2 f5 13.c3 Rg8+=) 12...0-0-0 (12...f5!? 13.Ra5 Bb4=) 13.0-0 (worse 13.Ne4 Re8 14.0-0 Re4 15.Ra7 Rg4=) 13...f5 (13...Bb4 14.Ne4 f5 15.Qb1+-) 14.Ra7+- Bb4 15.Qa1 Qd2 16.Nb5 Qe2 (16...Bd6 17.Ra8 Kd7 18.Rd8 Rd8 19.Nd6 Kd6 20.Rd1+-) 17.Ra8 (17.c4 Qc4 18.Rc1 Qc5+-) 17...Kd7 18.Qd4 Kc6 19.Na7 (19.Rd8 Rd8 20.Qd8 Qb5+-) 19...Kc7 20.Qb4 Rd1 (20...Qf1 21.Kf1 Ra8 22.Qc5 Kd7 23.Qf5 Ke7 24.Qe4 Kf6 25.Qb7 Rhe8+-) 21.Qe7 Kb6 22.Qf6 Kc5 23.Qe5 Kb4 24.Qe7 (24.Nc6! bc6 25.Qb2 Kc4 26.Ra4 Kd5 27.Ra5 c5 28.c4 Ke6 29.Qe2 Rd6+-) 24...Kc4 (24...Kc3 25.Nb5! Qb5 26.Ra3 Kc2 27.Ra2 Qb2 28.Qc5 Kb1 29.Rb2 Kb2 30.Rd1 Rd8 31.Qb4 Kc2 32.Rd8 e3 33.Rc8 Kd1 34.Qd4 Ke2 35.Qe3 Kd1 36.Rc1) 25.Qc7 (25.Qc7 Kd5 26.Rd8 Rd8 27.Qd8 Ke5 28.Rd1 Qd1 29.Qd1+-) 1–0. juliangon (2685) – MateinEight (2440), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.Nf3 d5)

    5.Ne5 Nf6 6.Bb5 Nbd7 7.ed5 Be7 8.0-0 0-0 9.d4 (9.Bd7 Nd7 10.Nd7 Qd7 11.ab4 Qd5+=) 9...Nd5 10.Qf3 Ne5 11.de5 Be6 12.ab4 Nb4 13.c3 (13.Qb7? Rb8 14.Qe4 Rb5 15.Ra7 Rb8-+) 13...a6 (13...Qd5 14.Qg3 Rfd8 15.Na3=+) 14.Be2 (14.Ba4 Na2 15.Bf4 Qc7=+) 14...Nc6 15.Qg3 (15.Bf4 f6 16.Qe4 fe5-/+) 15...Kh8 (15...f6 16.Bh6 Rf7 17.Na3 Ne5 18.Rfd1-/+) 16.Bf4 f6 17.Bf3 (17.ef6 Rf6 18.Nd2=+) 17...f5 (17...fe5!? 18.Be5 Ne5 19.Qe5 Qb6=+) 18.Rd1= Qc7 (18...Qb6 19.Nd2 Rad8 20.Rdb1=+) 19.h4 (19.Na3 Rad8 20.Rd6 Bb3=) 19...Rfd8 20.Nd2 (20.h5 Rd1 21.Bd1 Rd8=) 20…Rd3=+ ½–½. Radovic,Janko (2295) – Ozates,Tuna (2070), International ch–Central Serbian Op A, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.Nf3 Qf6

    5.ab4 Bb4 6.c3 Bc5 7.d4 ed4 8.cd4 Bb6 (8...Nc6 9.Ra4 Bb4 10.Bd2=) 9.Bc4 h6 (9...Nc6 10.e5 Qg6 11.0-0=) 10.e5 (10.Ne5 Nc6 11.Bf7 Kd8+-) 10...Qc6+= 11.Nbd2 Ne7 12.Ba3 Nd5 1–0. juliangon (2715) – raymac (1860), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.c3 bc3 6.Nc3 Nc6 7.d4 ed4 8.Nd5 Qd6 (better 8...Qd8=) 9.Bf4+- Qc5 (9...Qg6 10.Bd3 Kd8 11.Nh4+-) 10.Nc7 Kd8 11.Na8 d6 (11...d5 12.e5+-) 12.Rc1 (12.Bd3 Bg4 13.Rb1 Ne5 14.Rb7 Bf3 15.gf3 Qa3+-) 12...Qa5 13.Bd2 Qa3 14.Bb5 Nge7 15.Ng5 Ne5 (15...Be6 16.Rb1+-) 16.f4 h6 17.fe5 hg5 18.0-0 (18.Qc2 Nc6 19.Bc6 bc6 20.Bg5 f6 21.ef6 Qa5 22.Bd2 Qe5 23.Qc6 Bd7 24.Qc7 Ke8 25.Qb8 Kf7+-) 18...de5 (18...Be6 19.Rf3 Qb2 20.Rb1+-) 19.Rf7 Ng6 (19...Be6 20.Qh5!! Qc1 (20...Rh5?? 21.Rf8) 21.Bc1 a6 22.Qh8 ab5 23.Qf8 Kd7 24.Qe7 Kc6 25.Qc7) 20.Qc2 (20.Rc8 Kc8 21.Qg4 Kb8 22.Rb7 Kb7 23.Qd7 Kb8 24.Qc7 Ka8 25.Bc6) 20...Bc5 (20...Qe3 21.Be3 Bc5 22.Bg5 Ne7 23.Be7 Be7 24.Qc8) 21.Bg5 Ne7 22.Be7 Be7 23.Qc8 1–0. juliangon (2735) – jamespond (1820), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    4.Nf3 Nf6

    5.d4 Ne4 6.Ne5 Be7 7.Qf3 Nf6 8.ab4 0-0 9.c3 d6 10.Nc4 d5 11.Ne3 Qc7 12.Bb2 Re8 13.Bd3 Be6 14.0-0 Nbd7 15.Nd2 Bd6 16.g3 Nb6 17.b5 Qd7 18.Ba3 Qe7 19.Bd6 Qd6 20.Qd1 Qc7 21.Qc2 Bh3 22.Rfc1 Be6 23.Nf3 h6 24.Ne5 Nfd7 25.f4 f6 26.Nf3 Kh8 27.Bg6 Re7 28.Nh4 Nf8 29.Qb3 Qd8 30.Re1 Bf7 31.Bd3 Qd7 32.Qb4 Ree8 33.Nef5 Be6 34.Qd6 Qf7 35.Ne3 Red8 36.Qb4 Bd7 37.f5 Re8 38.Nhg2 g6 39.fg6 Ng6 40.Ra2 Ne7 41.Nf4 h5 42.Rae2 Qg8 43.Ng4! Qg4 44.Re7 Re7 45.Re7 (45.Re7 Bf5 46.Qd6+- (46.Rb7 Bd3 47.Nd3 Qd1 48.Kf2 Qd3-+)) 1–0. Bergmann,Michael (2470) – McDowall,Michael (1885), IECG, 2008.

    5.Ne5 Nc6 6.Bb2 Ne5 7.Be5 Qe7 8.Bf6 Qf6 9.d4 ba3 10.Bc4 (10.Na3? Bb4 11.Ke2 Bc3-+) 10...Be7 (10...Rb8=) 11.Nc3 (better 11.0-0!?+=) 11...Bb4-/+ 12.Qd3 0-0 (better 12...Qc6 13.Kd2 0-0-/+) 13.0-0+= Bc3 14.Qc3 Qg6 (14...d6!?+=) 15.Bd5+/- (15.Ra3?! Qe4 16.Re1 Qf5=) 15...d6 16.Ra3 Be6? (better 16...Kh8!?+/-) 17.Bb7+- Rab8 18.Ra7 d5 (18...f5 19.Qe3 Bc4+-) 19.Qg3 (19.Bd5 Bd5 20.ed5 Qe4+-) 19...Qf6 (better 19...Qe4!? 20.c3 Rfe8+/-) 20.ed5+- Bf5 21.Qe5 Qg6 (21...Qb6 22.Ra2 (22.Qf5?! Qa7 23.Bc6 Qd4=) 22...Bc2 23.Rc2+-) 22.Bc6 Bc2 23.h4 (23.Re1 h6+-) 23...Bd3 (23...Be4 24.Qg5+-) 24.Re1 h6 (24...Bc4 25.h5 Qd3 26.Kh2+-) 25.h5 Qg4 26.d6 Rb4 (26...Bc2 27.d7+-) 27.Ra4 (27.d7 Bf5 28.Qd6 Rbb8+-) 27...Rb2 (27...Rb6 28.d7 Bf5 29.Qd6+-) 28.Qg3 (28.d7 Qh4 29.g3 Qh3+-) 28...Qh5?? (28...Qc8 29.Rc1 Qf5+-) 29.Qd3 (29.Qd3 Qh4 30.Qf5+-) 1-0. Williams,Si1 (2460) - Palliser,R (2410), Checkmate Covid Rematch, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 e5)

    5.Ne5 Nc6 6.Nc6 dc6 7.Bb2 Be6 (7...Ne4 8.Qe2 Qe7 9.ab4=) 8.Qf3= ba3 9.Na3 (worse is 9.Ba3 Ba3 10.Ra3 Qb6-/+) 9...Bc5 10.h3 0-0 11.Bd3 Bd4 12.c3 Be5 13.Be2 c5 14.Qd3 (14.Qe3 Qb6 15.0-0 a6+=) 14...Rc8 (better is 14...Qb6 15.Qc2 Bb3-/+) 15.f4? (15.Nc4 Bf4 16.Ne3 Qb6+=) 15...Bb8?? (better is 15...Bf4 16.c4 Qd3 17.Bd3 Rfd8-+) 16.0-0 (16.Qe3 Qb6 17.Bc1=) 16...Re8 (16...Qd3 17.Bd3 Rfd8 18.Bc2 Rd2 19.e5+=) 17.c4 (17.e5 Qd3 18.Bd3+=) 17...Ne4?? (better is 17...Qd3 18.Bd3 Rcd8+=) 18.Qe4+/- Bg4 (18...Bh3!? 19.Qd3 Qd3 20.Bd3 Rcd8+/-) 19.Qe8!+- Qe8 20.Bg4 Rd8 21.Bc3 f6 (21...g6 22.Rab1 b6 23.Rbe1+-) 22.Rae1 Qa4 23.Nb1 (better is 23.Nb5!?+-) 23...Kf8+/- 24.Be6 a6 25.Re3 (better is 25.Bb2!?+/-) 25...b5= 26.d3 b4 27.Bd2 Qc2 Exerts pressure on the backward pawn 28.Rc1 (28.Bf5 g6 29.Be4 f5=) 28...Qb2 29.Rf1 (29.g3 a5 30.Rce1 Qd4=) 29...a5 30.Bd5 (30.Ree1!?=) 30...a4-/+ 31.Rfe1 (31.Ree1 Re8 32.Re8 Ke8 33.Bc6 Kf7 34.Ba4 Qd4 35.Kh1 Qd3-/+) 31...Bd6 (better is 31...a3 32.Bc1 Qb1 33.Ba3 Qc2-+) 32.Re6?? (better is 32.R3e2 Qd4 33.Be3 Qd3 34.Rd2+=) 32...a3-+ 33.Nc3 (33.Bc1 Qb1 34.Ba3 Qd3 35.Bc1-+) 33...bc3 (better is 33...Qd2 34.Nb5 Be5 35.Rf1 Qe3 36.Kh1 Qd3 37.Rf2-+) 34.Bc1 (34.Be3 Qb8 35.f5 Rd7 36.Rd6 Qd6-+) 34...Qb3 (34...a2 35.f5 (35.Bb2?? cb2 36.Kf2 a1Q-+) 35...Be5 36.Ra6-+ (36.Bb2 cb2 37.R1e5 fe5-+)) 35.f5 (35.Be3 Qb8 36.f5 Rd7-+) 35...Be5 36.Be3 Rd5 37.cd5 Qd5 38.Ra6 a2 39.Kh1 (39.Kf2 c2 40.g4 Bd4-+) 39...c2 40.d4 (40.Ra3-+) 40...cd4 41.Bd2 d3 0–1. Pirrot,Dieter (2385) – Viebahn,Dirk (2160), Dresden GER, ZMDI Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e5)

    5.Ne5 Qe7 6.d4 Nc6 7.Bc4? Ne5-+ 8.0-0?? Nc4 9.Bg5 Qe6 10.d5 Qe5 11.Bf6 Qf6 12.Nd2 Nd2 13.Qd2 1–0. rogeliovargas (2190) – marcosramospg, net–chess.com, 2010.

    4.f4? ef4-+

    5.Nf3 Nc6 -+.

    5.Nf3 Be7 6.Bc4 Nf6 7.e5 Ng4 8.0-0 0-0 9.ab4 d6 10.ed6 Bd6 11.c3 (11.d4 Nc6-+) 11...Nc6 12.d4 Be6 (better is 12...Re8!?-+) 13.Be6+= fe6 14.Qb3 Qf6 15.Re1 Nd8 (15...Ne3 16.Be3 fe3 17.Re3 Bh2 18.Kh1=) 16.Ra2 (better is 16.Nbd2=) 16...g5 (better is 16...Qf5+=) 17.Nbd2+/- Qg6 18.Ne4 Be7 19.d5 (19.h3 Ne3 20.Be3 Qe4+/-) 19...ed5+= 20.Qd5 Nf7?? (20...Qf7 21.Rd2 h6 22.Qb5+=) 21.Qb7?? (better is 21.Qd7 Nfe5 22.Qe7+-) 21...Qb6+= 22.Qb6 ab6 23.Ra8 Ra8 24.h3 Ngh6 25.Nd4 Ra1 26.Kf1 Ne5 27.Nb3 Ra7 28.Rd1 Rd7 29.Rd7+= Nd7 30.h4 gh4 31.Bf4 Nf5 32.Ke2 Kf7 33.Kd3 Ke6 34.Ng5 Kf6 35.Nf3+= Ke6 36.Kc4 Nd6+= 37.Kd3 Kf5 38.Be3 Kg4 39.Bf2 h5 40.Nbd2 Bf6 41.c4 h3= 42.Nh2 Kf4 43.gh3 Ne5 44.Ke2 Nec4 45.Nhf1 Nd2 46.Be3 Kf5 47.Nd2 b5 ½–½. Frink,Ferenc (2080) – Chojnowski,Marcin (2080), Opatija CRO, World Deaf Team Ch (m), 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 e5)

    5.Nf3 Nf6 6.e5 Nh5 7.ab4 Bb4 8.Be2 -/+.

    3.a3 e6

    4.ab4 Qc7 5.Bb2 Nf6 6.e5 Nd5 7.c3 Qe5-/+ 8.Be2 (8.Ne2 Be7-/+) 8...Qc7 (8...Nf4 9.Nf3 Qf6-/+ (worse 9...Ng2 10.Kf1 Qf6 11.Kg2+=)) 9.Nf3=+ Be7 10.c4 Nf6 11.Qb3 0-0 12.0-0 d6 (12...d5 13.Rc1=+) 13.d4 Nbd7 14.Nc3 b6 15.Qc2 (15.Rfe1 a5=+) 15...Bb7 16.Ng5 h6 17.Nge4 (17.Nf3 Rfc8-/+) 17...d5 (17...Ne4 18.Ne4 d5 19.Nc3 Bb4 20.Nb5-+) 18.Nd2? (better 18.Nf6 Bf6 19.Nb5=+) 18...Bb4-+ 19.Ba3 Ba3 20.Ra3 a6 21.Na2 (21.Ra4 Rfc8-+) 21...Rac8 (21...dc4 22.Qc4 Rfc8 23.Rd1-+) 22.Rg3 (22.Qb2 dc4 23.Nc4 b5-+) 22...Rfe8 (22...dc4 23.Qc4 Qc4 24.Nc4-+) 23.Qc1 (23.Qb2 e5 24.Bd3 ed4 25.Qd4 dc4 26.Bc4 Qe5-+) 23...Nf8 (23...dc4 24.Bc4 b5 25.Bd3-+) 24.Nf3 (24.Qb2 dc4 25.Bc4 Red8-+) 24...Ng6 25.Ne5 (25.Bd3 Nf4 26.Ne5 N6h5-+ (26...Nd3?! 27.Qh6 Ng4 28.Rg4-+)) 25...Ne4 (25...Ne5 26.de5 Qe5 27.Re1-+) 26.Rg4 (26.Rg6 fg6 27.Qe3-+) 26...Nf6 27.Rg3 Ne4 28.Rg4 Nf6 (28...Ne5 29.de5 Qe5 30.Qh6 dc4 31.Bf3-+) 29.Rg3 Ne4 (29...Ne5 30.de5 Qe5 31.Re1-+) 30.Rg4 Nf6 (better 30...Ne5 31.de5 Qe5 32.Qh6 dc4-+) 31.Rg3= ½–½. Crecan,Dragos_Matei – Costescu,Mihnea_Constantin, Campionatul National Individual Pentru, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4)

    4.ab4 Qh4 5.Nc3 Bb4 6.Nf3 Qd8 7.Nb5 d5 8.e5 Nc6 9.Ba3 Ba3 10.Ra3 Nh6 11.Nd6 Kf8 12.Qa1 Nf5 13.Nf5 ef5 14.Bb5 Qe7 15.0-0 Rg8 16.Re1 g5 17.Bc6 bc6 18.Nd4 Rg6 19.e6 Be6 20.Nc6 Qd6 (20...Qc7 21.Na7 Qc2 22.Qh8 Rg8 23.Qd4=) 21.Ne5 Rh6 22.Ra6 Qc7 23.Rc6 Qe7 24.Ng4 Rg6 25.Ne5 Rh6 26.Ra6 Qc7 27.Rc6 (27.h4 A) 27...Qc2 28.hg5 Rh5 29.Nd7 Ke7 30.Qg7 (30.Ra7?! Ra7 31.Qa7 Rg5+-) 30...Kd7 31.Rae6+-; B) 27...Kg8 28.hg5 Rh4+/-) 27...Qe7= 28.Nf3 Kg8 29.Nd4 Qd7 (29...Qf8 30.Ra6+=) 30.Qa6 (30.Nf5 Rg6 31.Rd6 Qc7+/-) 30...Re8 31.Nf5 Bf5 32.Re8 Qe8 33.Rh6 Qe1 34.Qf1 Qd2 35.Ra6 Bc2 36.Ra7 Bd3 37.Qa1+- d4 38.Ra8 Kg7 39.Qd4 Kh6?? 40.Qf6 Kh5 41.Qf3 Kh6 42.Qf6 Bg6 ½–½. Dunne,Paul (1855) – Fletcher,John T, Southend op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.c3 b3 5.Qb3= Nc6 6.d4 Nf6 7.Bd3 Be7 8.e5+= Nd5 9.Nf3 0-0. dariomarinho – sasikumar, net–chess.com, 2008.

    4.c3 bc3 5.Nc3 Nc6 6.Nf3 d5 7.ed5 ed5 8.Bb5 Nf6 9.Qe2 Be7 10.0-0 0-0 11.d4 Bg4 12.h3?? (better is 12.Bc6 bc6 13.Qd3-/+) 12...Nd4!-+ 13.Qd3 (13.Nd4 Be2) 13...Nf3 14.gf3 Bh3 15.Re1 a6 16.Ba4 b5 17.Bb3 Be6 18.Bg5 Qd7 19.Nd5 (19.Rad1-+) 19...Nd5 20.Be7 Qe7 21.Qd5 Bd5 22.Re7 Bb3 23.Rc1 Rfe8 24.Rd7 Be6 25.Rd6 Red8 26.Rcd1 (26.Rd8 Rd8 27.Rc6 a5-+) 26...Rd6 27.Rd6 Kf8 28.Kg2 Ke7 (28...Ke7 29.Rd4 Rc8-+) 0–1. Steinbach,Chris – Patterson,Roger1 (2170), Victoria Labour Day op, 2005. (=1.e4 c5 2.b4 cb4+= 3.c3 e6 4.a3 bc3)

    4.Bc4 Qf6 5.c3 (5.d4!?+= should not be overlooked) 5...bc3 6.Nc3 a6 7.Nf3 b5 (7...Qd8 8.Be2-/+) 8.Bb3 (8.Bf1 Bb7 9.Rb1 Qd8-+) 8...Bb7 (8...Qg6 9.Nh4 Qg5 10.Nf3 Qg2 11.Rg1-+) 9.Qe2 (9.Bc2 d5 10.ed5 ed5+=) 9...Nc6 (better is 9...Bc5-+) 10.e5? (better is 10.Bb2!?-/+) 10...Qf5 (10...Qg6 keeps an even firmer grip 11.Rg1-+) 11.d4 (11.Bb2 Qg4 12.Rg1 Nce7-+) 11...Na5?? Black lets it slip away (better is 11...Qg4 and the result of the game is clear: Black will win 12.Qe3 Rc8-+) 12.Nh4-/+ (12.Nh4 Bf3 13.Bd5 ed5 14.Nf5 Be2 15.Ne2+=) 1–0. Holopainen,Eero – Muhonen,Kari, Lappeenranta We LprS op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.e5 d6 5.Bb2 de5 6.Be5 Nf6 7.ab4 Bb4 8.Nc3 (8.Ra4 Nc6 9.Bb5 Bd7-/+) 8...Bc3 (8...Nc6 9.Bb5-/+) 9.Bc3 0-0 10.Nf3 a6 11.Bd3 Nd5 12.Bb2 Nf4 13.Ra3 (13.Bf1 Nc6-/+) 13...Nc6 (better is 13...Ng2!? 14.Kf1 Nf4-+) 14.0-0-/+ Nd3 15.Rd3 Qc7 16.Ng5 (16.Qa1 f6-/+) 16...f6 17.Ne4 e5 18.Ba3 Rd8 19.Bd6 Qf7 20.Ng3 (20.f4 Bf5 21.Re1 b5-+) 20...Qe6 (20...Be6!? 21.Bc5 Rd3 22.cd3-+) 21.Ne4-/+ Qf7 22.Ng3 Be6 23.Bc5 Rd3 24.cd3 Rd8 25.Qb1 Ba2 26.Qc2 Qd5 (26...Qb3 27.Qc1-+) 27.Nf5 (27.Rc1 b5-+) 27...Bb3 28.Qc3 (28.Qb2 Qd3 (28...Qc5?! 29.Qb3 Qd5 30.Qb7+=) 29.f4 Qc2 30.Qc2 Bc2 31.fe5 Bf5 (31...Rd2?! 32.ef6 gf6 33.Nd6-+) 32.Rf5 fe5-+) 28...Qd3 29.Qb2 (29.Nd6 Qc3 (29...Rd6?! 30.Bd6 Qc3 31.dc3-/+) 30.dc3 b6-+) 29...Bc4 (better is 29...Qc2 30.Qc3 Rd3 (30...Qf5?! 31.Qb3 Kh8 32.Qb7-/+) 31.Qc2 Bc2-+) 30.Ne7?? (30.Ne3-+) 30...Ne7 31.Re1 Nd5 32.Qb7 Nf4 0–1. Wellington,Francisco (1900) – Sampaio,Wellington (1980), BNB–ch, 2000. (=1.e4 c5 2.b4 cb4+= 3.a3 e6)

    4.Nf3 Qa5 5.d4 (5.Bb2 Nc6=) 5...Nf6 (5...Nc6 6.d5 Nd8 7.d6=) 6.e5 (6.Bd3 Be7=) 6...Ne4+= 7.Bd3 ba3 8.Nbd2 Nc3 9.Nc4 Nd1 10.Na5 Nb2 11.Be2 b6 12.Nb3 (12.Nc4 Nc4 13.Bc4 Bb4 14.Bd2 a5-/+) 12...Ba6 13.Nfd2 (13.Nbd2 Be2 14.Ke2 Nc6-/+) 13...Be2 14.Ke2 d5 (14...a5 15.Nb1-/+) 15.ed6 Bd6 16.Ra2 Nc6 17.Bb2 ab2 18.Rb2 Bb4 (18...Ke7-+) 19.Kd3 (19.Ne4 f5 20.Ng5 Ke7-/+) 19...Bd2 (better is 19...Ba3!? 20.Rbb1 Nb4 21.Ke4 Nc2-+) 20.Nd2-/+ 0-0-0 (20...Ke7 21.c3-/+) 21.c3 e5 22.Nf3 ed4 (22...Rhe8 23.Re1-/+) 23.cd4 Rd5 24.Rc1 (24.Rhb1 Rhd8 25.Rb5 Rb5 26.Rb5 Kc7-/+) 24...Kb7 25.Rc4 (25.Rc5 Rc5 26.dc5 Rd8 27.Ke3 Kc7 28.cb6 ab6-/+) 25...Rhd8 26.Rbc2 R8d6 27.Ke4 (27.Ke3 a5-+) 27...f5 28.Ke3 b5 29.Rc5 Nd4 (29...Kb6 30.Rc1-+) 30.Nd4-/+ Rd4 31.Rb5= Ka6 32.Rf5 R4d5 33.Ra2 Kb6 34.Rb2 Kc6 35.Rc2 Kb6 36.Rb2 Kc6 37.Rc2 Kb5 38.Rd5 Rd5 39.Rc7 Rg5 40.Ra7 Rg2 41.Rf7 Kc6 42.Kf3 Rg6 43.Ke2 Kd5 44.Rf3 Rh6 45.h3 g5 46.Kf1 Ke4 47.Kg2 ½–½. De Wit,William – Bertholee,Rob (2355), Haarlem op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 Qa5 4.Nf3 e6)

    4.Nf3 Qb6 5.Bc4 Nf6 6.e5 d5 7.ef6 dc4 8.ab4 g6 (better is 8...gf6!? 9.c3 Qd8-/+) 9.Qe2 Nc6 10.c3 Qd8 11.Qc4 Qf6 12.d4 e5 (12...Bd7!?+=) 13.de5+/- Ne5 14.Qb5 (better is 14.Qe2!? Bd6 15.Ra5+-) 14...Nc6+= 15.0-0 Bb4?? Exerts pressure on the backward pawn (better is 15...Be7+=) 16.Re1+- Be6 17.Qb7 Rc8 (17...0-0 18.Bg5 Qf5 19.Qc6 Rfc8+-) 18.Bg5 Qg7 19.Qc8 (19.Qc8 Nd8 20.Qd8) 1–0. Frank,Jozsef (2260) – Meyer,Juergen (2345), Balatonbereny op, 1993. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3)

    4.Nf3 d6 5.ab4 Nf6 6.Nc3 a6 7.Bc4 b5 (better 7...d5 8.ed5 ed5 9.Bb5 Nbd7=) 8.Bb5!+/- Bd7 (8...ab5 9.Ra8 Pinning (9.Ra8 Deflection)) 9.Bd7 Qd7 10.0-0 (10.Qe2 d5 11.ed5 Nd5 12.Nd5 Qd5+/-) 10...Nc6 (better 10...Qb7!?+/-) 11.b5+- Nb4 12.Ba3 a5?? (better 12...d5 13.ed5 Nfd5 14.Nd5 Qd5+-) 13.Bb4 1-0. Sergeeva,Anna - Guidara,Rawia, Djerba Women Online, 2020. (=1.e4 c5 2.Nf3 d6 3.a3 e6 4.b4 cb4)

    4.f4 Qc7 5.d4 Nf6 6.Bd3 b6 7.Nf3 Bb7 8.Qe2 Be7 9.Bd2 ba3 10.c4 d6 11.e5 Nfd7 12.0-0 0-0 13.Na3 a6 14.Bb4 Re8 15.Ng5 Nf8 16.Nf7? (better is 16.Ne4 Be4 17.Be4=) 16...Kf7-+ 17.Bh7 Nh7 (better is 17...g6 18.Bg6 Ng6-+ (18...Kg6?! 19.f5 ef5 20.Rf5=)) 18.Qh5-/+ Kg8 19.Qe8 Nf8 20.d5 (better is 20.Qh5!?+=) 20...Nc6-+ 21.Qh5?? (better is 21.Bd6 Bd6 22.ed6 Qd6 23.Qh5-/+) 21...Nb4 22.f5 de5 23.fe6 Bf6 (23...b5 24.Qf7 Kh8 25.Rf3-+) 24.Rab1 (24.Rad1 b5! 25.Rf2 Qe7-+ (25...bc4?! 26.d6 Qc8 27.Qf7 Kh8 28.e7+=)) 24...Nd5! 25.cd5 Bd5 26.Rf6 (26.Rbc1 Qe7 27.Nb1 Ne6-+) 26...gf6 27.Qg4 Qg7 28.Qe2 0–1. Kopkan,Pavel (2025) – Zeleny,Tomas (2265), Brno Trade op–A, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.g3 d5-/+ 5.e5 Nc6 6.f4 Bc5 7.ab4 Bb4 8.c3 Be7 9.Ba3 Nh6 10.Be7 Qe7 11.Nf3 Nf5 12.Bd3 0-0 13.Bf5 ef5 14.0-0 Rd8 15.d4 b6 16.Qc2 Be6 17.Na3 Na5 18.Nd2 Rdc8 (18...a6 19.Qb2 b5 20.Nc2+=) 19.Nb5+= Rc6 20.Nd6 Nb7 21.Nb5 a5 22.Rfb1 Bd7 23.Nf1 Qe6 24.Ne3 Rac8 (24...Rcc8!?=) 25.Qg2 Rc3? (better is 25...Nd6!? 26.Nd6 Rd6+=) 26.Nc3+- Rc3 27.Qd2 (better is 27.Qd5!? Bc6 28.Qe6 fe6 29.Rb6+-) 27...Rc8+= 28.Rc1 Bc6 29.Qc2 b5 (29...g6 30.Ra3+=) 30.Nf5 (better is 30.Qf5 Rc7 31.Qg4+/-) 30...Bd7?? (better is 30...b4+=) 31.Qc8!!+- Bc8 32.Rc8! (32.Rc8 Qc8 33.Ne7 Kf8 34.Nc8+-) 1–0. Besedin,Anatoly (2090) – Yuganova,Marina (1995), Anapa op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.Bb2 ba3

    5.Na3 d5 6.ed5 ed5 7.Nf3 Nc6 8.Bd3 Nf6 9.Qe2 Qe7 10.Nb5 Qe2 11.Ke2= Kd8 12.Ne5 Ne5 13.Be5 Bc5 14.Rhe1 Be6 15.h3 Kd7 16.f4 Ne4 17.Bd4 Rhe8 18.Be3 Be3 19.de3 a6 20.Nd4 f6 21.Ra3 Rac8 22.Kf3 Kd6 23.Rd1 Rc3 24.Ra5 f5 25.Ba6 ba6-+ 26.Ra6 Kd7 27.Rda1 Rc7 28.R1a5 g6 29.Rb5 Bg8 30.g4 fg4 31.hg4 Nd2 32.Kf2 Nc4 33.Rb3 Nd6 34.Rbb6 Ne4 35.Kf3 Bf7 36.g5 Rec8 37.Ra3? Rc4 38.Rb7 R4c7 39.Rc7?? Rc7-+ 40.Ra8 Rc8 41.Ra7 Rc7 42.Ra8 Be8 43.Ra5 Kd6 44.Ra6 Ke7 45.Re6 Kf7 46.Ra6 Bd7 47.Ra5 Nc3 48.Ra6 Nb5 49.Rf6 Ke7 50.Ne2 Rc2 51.Ng3 Rc6 52.Rc6 Bc6 53.f5 Nd6 54.fg6 hg6 55.Kf4 Bb5 56.Ke5 Bc4 57.Kd4 Ke6 58.e4 de4 59.Nh1 Bd5 60.Nf2 Nf7 61.Nh3 Bb7 62.Ke3 Kf5 63.Nf4 Ng5 64.Ng2 Ne6 65.Nh4 Kf6 66.Ng2 g5 67.Kf2 Ke5 68.Ne3 Nd4 69.Kg3 Nf5 (69...Nf5 70.Kf2 Ne3 71.Ke3 g4-+) 0–1. Thannheiser,Thomas – Hahn,Uwe, Oberliga Nord W9394, 1994.

    5.Na3 d6 6.Bc4 d5 7.ed5 ed5 8.Bb5 Bd7 =+.

    5.Na3 d6 6.d4 Ne7 7.Nf3 Ng6 8.h4 Be7 9.h5 Nf8 10.Be2 h6 11.0-0 Nh7 12.e5 d5 13.Nb5 a6 14.Nd6 Bd6 15.ed6 0-0 16.c4 dc4 17.Bc4 Re8 (17...Qd6?! 18.Ba3 Qf4 19.Bf8 Nf8 20.Re1=) 18.d5 Nf6 (18...Qd6 19.de6 Re6 20.Be6 Qe6 21.Re1+/-) 19.Qd4 Nh5 20.Ne5 Nf6 21.Ra3 Nbd7 (better is 21...ed5!? 22.Bd5 Nd5 23.Qd5 Re6+=) 22.Nf7= e5 23.Nd8 ed4 24.Ne6 ½–½. Kivipelto,Kaj Erik (2210) – Kiili,Markus, FIN–chT2, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 ba3)

    4.Bb2 Qb6

    5.ab4 Qb4 6.Bc3 Qe4 7.Ne2 Nc6 8.f3 Qh4 9.g3 Qd8 10.Na3 d5 11.Nb5 Nf6 12.Ned4 Bc5 13.f4 0-0 14.Nf3 d4 15.Bb2 e5! 16.fe5 (16.Ne5 Re8; 16.fe5 Re8) 16...Ng4 17.Qe2 (17.Bd3 Re8 18.0-0 Nge5 19.Ne5 Ne5-+ (19...Re5?! 20.Ba3-+)) 17...Nge5! 18.Ne5 Ne5 19.0-0-0 Re8 20.Re1 (20.Qf2 Qd5 21.Bd4 Bd4 22.Nd4-+) 20…Nd3! (20...Nd3 21.cd3 Re2 22.Re2 Be6-+) 0–1. Bungo,Gregory – Wallach,Kenneth, US Masters op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.Nf3 Nc6 6.Bc4 Nf6 7.e5 (7.Bf6 gf6 8.ab4 Qb4+=) 7...Ng4 8.0-0 d5 9.ed6 Bd6 10.ab4 Nce5 11.Ne5 Ne5 12.Bb3 Qb4 13.Ra4 Qb6 14.Qe2 Ng6 15.Na3 Bd7 16.Nc4 Qc7 17.Nd6 Qd6 18.Ba3 Qe5 19.Re4 Qb5 20.Qe3 Qf5 21.Re1 Qf6 (better is 21...Bc6!? 22.Qd3 Ne7 23.Be6 fe6 24.Re6 0-0+=) 22.Bd5+= 0-0-0?? (22...Bc6 23.Qc5 Bd5 24.Qd5 Nf8 25.Qb7 Rd8 26.Qc6 Nd7+-) 23.Rc4+- Kb8 24.Bd6 Ka8 25.Bb7! Kb7 26.Rb1 Ka6 27.Qa3 (27.Qa3 Ba4 28.Ra4) 1–0. Huettemann,Ralf (1950) – Tchernyi,Andrei (2170), Bad Zwesten op 9th, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.Bb2 d5 5.ab4 de4-/+ 6.Nc3 Nf6 7.g4 h6 8.Bg2 Bb4 9.Qe2 Nc6 10.Ne4 Be7 (10...e5 11.Nf6 Qf6 12.Qe4-/+) 11.Nf3 (11.Nf6 gf6 12.h3 Qb6-/+) 11...Ne4 (11...Ng4!? 12.Bg7 Rg8-/+) 12.Qe4+= Bf6 13.d4 Bd7 14.0-0 0-0 15.Rfe1 a5 16.Ne5 Qc7 17.Nd7 Qd7 18.Rad1 White prepares the advance d5 (18.Bf1!?+=) 18...a4-/+ 19.d5? (better is 19.Ba3 Rfe8 20.Re3-/+) 19...Bb2-+ 20.dc6 Qc6 21.Qc6 (21.Qb4 Qc2 22.Rd2 Bc3 23.Qf8 Kf8 24.Rc2 Be1 25.Bb7 Ra7-+) 21...bc6 22.Bc6 Ra6 (better is 22...a3!? 23.Ba8 Ra8 24.Rb1-+) 23.Bb5 Ra5 24.Bc4 (better is 24.c4-+) 24...Rc5 25.Re4 Ra8 26.Rd2 (26.Ba2 Rc2 27.Rc4 Rc4 28.Bc4 Kf8-+) 26...a3 (26...Rc4!? 27.Rc4 a3 28.Rd1-+) 27.Ba2 Bc1 28.Rde2 Rb5 29.c4 Rb2 30.Kf1 (30.Kg2-+) 30...Bd2 31.Rd2 (31.Rd4 Ra2 32.Kg2 Rc2 33.Red2 Rd2 34.Rd2 a2-+) 31...Rd2 32.Re2 Re2 33.Ke2 Rb8 (33...Rb8 34.Kd3 Rb2-+) 0–1. Knudsen,JesW (1890) – Vlasak,Lu (2245), Teplice CZE, Open, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3)

    5.Nf3 Nf6 6.Bd3 ba3 7.Bf6 gf6 8.Na3 Rg8 9.0-0 Nc6 10.Nc4 Qc7 11.g3 b6 12.Qb1 Bb7 13.c3 Ne5 14.Nce5 fe5 15.Qb5 f6 16.Rfb1 Bc5 17.Bc2 Qc6 18.Qe2 Ke7 19.d4 Bd6 20.c4 ed4 21.Nd4 Qc5 22.Nb3 Qg5 23.Nd2 h5 24.Rb5 Bc5 25.Kf1 Bc6 26.Rb3 a5 27.h4 Qg4 28.Qg4 hg4 29.Rbb1 a4 30.Ke2 a3 31.Ra2 Bd4 32.Rb3+= Bb2 33.Rb6 Rgb8 34.Rb8 Rb8 35.Kd3 d5 36.ed5 ed5 37.Nb1? dc4-+ 38.Kc4 Kd6 39.Kd3-/+ Bd5 40.Ra3 Ba3 41.Na3 Ke5 42.Ke3 Rc8 43.Kd2 Be4 44.Bb3 Rd8 45.Ke2 Rd3 46.Nc4 Kd4 47.Nd2 Bf3 48.Ke1 Kc3 49.Nf3 Kb3 50.Nd2 Kc2 51.Ne4 f5 52.Ng5 Rd8 53.Ke2 Re8 54.Kf1 Kd2 55.Nh7 Re1 56.Kg2 Ra1 57.Ng5 Ke2 58.f4 gf3 59.Nf3-/+ Ke3 60.Ng5 f4 61.gf4 Kf4 62.Nh3 Kg4 63.Nf2 Kh4 64.Kf3 Kg5 65.Ne4 Kf5 66.Ng3 Ke5 67.Ne2 Ra3 68.Kg4 Ke4 69.Ng3 Ke3 70.Nf5 Kf2 ½–½. Nasikan,Nikolai – Kabanov,Anatoliy, Kiev Independence Cup–B 6th, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.Bb2 Nc6

    5.ab4 Nb4 6.Na3 a6 7.Nf3 Nf6 (7...d5 8.e5=+) 8.e5 Nfd5 9.g3 (9.Nc4 Qc7=+) 9...Be7 10.Bg2 (10.c4 Nb6=+) 10...0-0-/+ 11.0-0 Rb8 12.Re1 (12.c4 Nc7=+) 12...b5-/+ 13.d4 Nb6 14.Qd2 d5 15.c3 Nc6 16.Nc2 (16.Qe3 Qc7-/+) 16...Nc4-+ Black intends b4 17.Qc1 a5 Black prepares b4 18.Ne3 Nb2 19.Qb2 Ba6 20.Qc1 b4 21.c4 (21.cb4 Nb4 22.Qd2 Nd3-/+) 21...b3 (21...dc4 22.Bf1 b3 23.Qb2-+) 22.Qb2? (better 22.cd5!? Ne5! 23.Ne5-+) 22...Bc4 23.Bf1 (23.Nc4 dc4 24.Reb1 Rb4-+) 23...Bf1 24.Kf1 (24.Nf1 Qd7-+) 24...Rb4 25.Red1 (25.Kg2 a4-+) 25...Qb6 26.Kg2 Ra8 Black prepares a4 27.Ra3 (27.g4 a4-+) 27...a4 28.Rd3 (28.Rda1-+) 28...Rb5 29.Ra1 (29.Rd1 Ba3 30.Qa3 b2-+) 29...a3 30.Qb1 a2 31.Nd2 (31.Qb2 Ba3 32.Ra2 ba2 33.Qa2 Rb2-+) 31...ab1Q 32.Ra8 (32.Nb1?? Ra1 33.Rd1 Rb1 34.Rb1 Qd4-+) 32...Nd8 (32...Bf8 33.Nb1 Nd4 34.Nf1-+) 33.Nb1 Qb7 34.Ra4 (34.Ra1 Rb4-+) 34...h6 (34...Nc6 35.Rc3-+) 35.Rd1 (35.Nf1 b2 36.Nfd2 Nc6-+) 35...Nc6 36.Nc3 Rb4 37.Ra3 (37.Rb4 Bb4 38.Nb1 Qb6-+) 37...Rd4 38.Rd4 (38.Raa1 Rd1 39.Ned1 Ne5-+) 38...Nd4 (38...Ba3 39.Rd1 d4 40.Nc4-+) 39.Ra1 Nc2 40.Nc2 bc2 41.Rc1 d4 42.f3 dc3 43.Rc2 Qb2! (43...Qb2 44.Rb2 cb2 45.h4 b1Q 46.h5 Bc5 47.f4 Qg1 48.Kf3 Qf1 49.Kg4 Qg2 50.Kh4 Bf2 51.f5 Qg3) 0–1. Bernat Mor,Juli (1710) – Espejo Arnau,Sergi (1830), 18th Obert Internacional Foment Martine, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Bb2 Nc6)

    5.ab4 Nb4 6.Nc3 d5 7.Nf3 Nf6 8.ed5 Nbd5 =+.

    5.Bb5 Qg5 6.Bc6 Qg2 7.Qf3 Qf3 8.Nf3 ba3 9.Bd7 Bd7 10.Na3 f6 11.Nc4 Rc8 12.Ne3 a6 13.c3 Bc6 14.d3 Bd6 15.Nd4 Kf7 16.Nc4 Bb8 17.Na5= Ne7 18.Ndc6 Nc6 19.Nb7 Ne5 20.Ke2 Rc6 21.Na5 Rb6 22.Ba3 Rc8 23.d4 Rc3 24.de5 Be5 25.Ra2? Rb5-+ 26.Bc1 Rb1 27.Nb3 Rcb3 28.Ra6 Bf4! 29.Ra7 Kg6 30.Rg1 Kh5 31.Ra5 e5 32.Rc5 Rh3 33.Bf4 Rg1 34.Bg3 Kg6 35.Rc7 h5 36.f3 h4 37.Kf2 hg3 38.Kg1 gh2 39.Kh1 Rf3 40.Kh2 Re3 0–1. Boelen,M – Aijala,Jouko, WchT U26 qual–E, 1969.

    5.Nf3 Qb6 6.d4 Nf6 7.e5 Nd5 8.Be2 Nf4 9.ab4 Bb4 10.c3 Be7 11.Bc1 Ne2 12.Qe2 d5 13.ed6 Bd6 14.Nbd2 Be7 15.0-0 Qd8 16.Ba3 Ba3 17.Ra3 0-0 18.Ne4 b6 19.Rb1 Na5 20.Neg5 h6?? (better is 20...Qf6+=) 21.Qe4+/- hg5 22.Qa8 Qd6 23.Raa1 Bb7 24.Qa7 Bf3 25.Rb6 Qf4 26.gf3 (26.Qa5 Qg4 27.Kf1 Qg2 28.Ke1 Qg1 29.Kd2 Qf2 30.Kc1 Rc8-+) 26...Nc4 27.Rb4 Nd2 28.d5 Nf3 29.Kg2 Nh4 30.Kf1 Qh2 31.Ke2 Qe5 32.Qe3 Qd5 33.Rd1 Qf5 34.Qe4 Qc5 35.Rc4 Qb5 36.Qd3 Ng6-/+ 37.Rd4 Nf4 38.Rf4 Qd3 39.Rd3 gf4 40.Kf3 g5 41.Kg4 f6 42.Kh5 Kg7 43.Rd7 Rf7 44.Rd6 e5 45.c4 Rc7 46.c5 Rc5 47.Rd7 Kf8 48.Kg6 Ke8 49.Rh7 Rc6 50.Kf5 Rd6 51.Rg7 Rd7 52.Rg6 Ke7 53.f3? Rd3 54.Rf6 Rf3 55.Re6 Kd7 56.Re5 Kd6 57.Re2 Rg3 58.Ke4 Ke6 59.Re1 Ra3 60.Re2 Ra4 61.Kf3 Kf5 62.Rb2 Ra3 63.Ke2 Kg4 64.Kf2 Rh3 65.Kg2 Re3 66.Rf2 f3 67.Kf1 Re2! 68.Re2 fe2 69.Ke2 Kg3 70.Kf1 Kh2 0–1. Dounis,Alexandros (1955) – Litsas,Ioannis (2140), Pireus–ch, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Bb2 Nc6)

    5.Nf3 Nf6

    6.e5 Nd5

    7.ab4 Bb4

    8.Bb5 A) 8...Qb6 9.Qe2 (9.Bc6 dc6 10.Ba3 0-0 11.0-0 Rd8 12.c4 Nf4 13.d4 c5 14.Bc1-/+ –0.81; 9.c4 Nc7 10.Qe2 0-0 11.Nc3 a6 12.Na4 Qa7 13.Bc6 dc6 14.0-0-/+ –0.75) 9...0-0 10.0-0 Nf4 11.Qc4 d5 12.Qf4 Qb5 13.Na3 Qc5 14.c3+= –0.47; B) 8...0-0 9.0-0 (9.c4 Nf4 10.0-0 d6 11.d4 a6 12.Ra4 Rb8 13.Bc6 bc6 14.Bc1+= –0.69; 9.Ra4 a6 10.0-0 Na5 11.Bd3 b5 12.Ra2 Bb7 13.c3 Be7 14.Qc2-/+ –1.25; 9.c3 Be7 10.0-0 d6 11.d4 a6 12.Bc6 bc6 13.Ba3 Re8 14.ed6+= –0.59) 9...Qb6 10.c4 Nc7 11.Bc6 Qc6 12.d3 d6 13.Bc3 Bc3 14.Nc3+= –0.59; C) 8...Qc7 9.0-0 (9.c3 Be7 10.d4 0-0 11.c4 Nf4 12.g3 Nh3 13.Kf1 a6 14.Kg2+= –0.47; 9.c4 Nf4 10.0-0 a6 11.Bc6 dc6 12.d4 0-0 13.Ba3 Ba3 14.Na3+= –0.34; 9.Ra4 Be7 10.Nc3 Nb6 11.Rg4 0-0 12.Ne4 a6 13.Be2 Na4 14.Ba1-/+ –0.75) 9...0-0 10.d4 a6 11.c4 Nf4 12.Bc6 dc6 13.Ba3 Qa5 14.Qc2= –0.25; D) 8...Nc7 9.Bd3 (9.Bc6 dc6 10.Ba3 Ba3 11.Na3 b5 12.0-0 0-0 13.Qe2 a5 14.d4-/+ –0.78; 9.Be2 0-0 10.Na3 d5 11.0-0 a6 12.Re1 b5 13.c3 Bc5 14.d4-/+ –0.97; 9.Ba4 b5 10.c3 Be7 11.Bc2 d6 12.Be4 d5 13.Bd3 0-0 14.Qc2-/+ –0.94) 9...d6 10.ed6 Bd6 11.Bg7 Rg8 12.Bb2 Rg2 13.Bh7 Nd5 14.Qe2-/+ –0.78.

    8.c4 Nb6 9.Bc3 (9.Qc2 Be7 10.Be2 0-0 11.c5 Nb4 12.Qc1 N6d5 13.d4 b6 14.Nc3-/+ –0.91) 9...Bc3 10.Nc3 d6 11.ed6 Qd6 12.Nb5 Qe7 13.c5 Nd5 14.Nd6= 0.09.

    8.c4 Nc7 9.Bd3 (9.Bc3 Bc3 10.Nc3 d6 11.d4 de5 12.de5 Qd1 13.Rd1 f6 14.ef6+= –0.66; 9.Qc2 0-0 10.Bd3 h6 11.c5 Qe7 12.Ba3 Ba3 13.Ra3 Nb4 14.Qc1-/+ –0.72; 9.Ba3 d6 10.Bb4 Nb4 11.Qa4 Nc6 12.ed6 Qd6 13.d4 0-0 14.c5-/+ –1.12) 9...d5 10.Nc3 dc4 11.Bc4 a6 12.Qc2 b6 13.Ne4 Bb7 14.Nd6+= –0.34.

    8.c4 Nde7 9.Bc3 (9.Ra4 0-0 10.Qb3 a5 11.Na3 d6 12.Nc2 de5 13.Nb4 Nb4 14.Be5-/+ –1.00; 9.Qb3 0-0 10.Ra4 a5 11.Na3 d6 12.Nc2 Bd7 13.ed6 Bd6 14.c5-/+ –0.87; 9.Na3 0-0 10.Nc2 Ba5 11.Ra3 b6 12.Qa1 Bb7 13.Bd3 Ng6 14.Bg6-/+ –0.81) 9...Bc3 10.Nc3 d6 11.ed6 Qd6 12.Nb5 Qd8 13.d4 0-0 14.Bd3 +=.

    8.c4 Nf4 9.g3 (9.Qb3 d5 10.Qe3 Ng6 11.Be2 dc4 12.Bc4 Rb8 13.0-0 b5 14.Bd3+= –0.62; 9.Bc3 Bc3 10.Nc3 d6 11.d4 de5 12.de5 Ng6 13.Nb5 Qd1 14.Kd1-/+ –1.09; 9.Ba3 Ba3 10.Na3 d6 11.d4 de5 12.de5 Qa5 13.Qd2 Qd2 14.Kd2-/+ –0.94; 9.Ra4 d5 10.Bc3 dc4 11.Rb4 Nb4 12.Bb4 b5 13.Nc3 a5 14.Bc5= –0.22) 9...Ng6 10.Bg2 (10.h4 Qb6 11.Qb3 Qc5 12.Na3 Nce5 13.Ne5 Ne5 14.Nc2+= –0.53) 10...b6 (10...d6 11.ed6 0-0 12.0-0 Qd6 13.d4 Rd8 14.Na3-/+ –0.87) 11.0-0 Bb7 (11...0-0 12.d4 d5 13.cd5 ed5 14.Qb3+= –0.69) 12.d4 Na5 (12...d5 13.ed6 Bd6 14.d5= –0.06) 13.Ra4 (13.Qa4 Qe7 14.Ba3+= –0.47) 13...Be7 14.d5 Bc5 15.Nc3 0-0 16.Re1 Rc8 17.Bf1 f6 18.Ne4 fe5 19.Nc5 Rc5 20.Ba3 d6 21.Bc5 dc5 22.Ne5 Ne5 23.Re5 ed5 24.cd5 Nc6 25.Rh5 Nd4 26.Rd4 cd4 27.Qd4 Qf6 28.Re5 Rd8 29.Bc4 Kh8 30.Qe4 Rf8 31.f4 ½–½. Morcom,H (1950) – Thurlow,K (2045), Guernsey Open, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    8.Bc4 A) 8...Nb6 9.Bd3 (9.Be2 0-0 10.0-0 d5 11.Na3 Bd7 12.Re1 Bc5 13.Nb5 a6 14.Ba3+= –0.69; 9.Bb5 0-0 10.0-0 a6 11.Bc6 bc6 12.Ba3 Ba3 13.Na3 f6 14.c4+= –0.69; 9.Qe2 Nc4 10.Qc4 0-0 11.Qg4 b6 12.Ra4 Be7 13.Qg3 f6 14.Rg4-/+ –1.03) 9...d6 10.Bb5 de5 11.Ne5 Qd5 12.Bc6 bc6 13.Qg4 Bf8 14.0-0+= –0.50; B) 8...d6 9.0-0 (9.c3 Ba5 10.ed6 Qd6 11.Ba3 Qd7 12.0-0 a6 13.Bd3 Bc7 14.Re1-/+ –0.81; 9.Bb5 Qb6 10.Qe2 0-0 11.c3 Nf4 12.Qf1 Bd7 13.cb4 Nb4 14.Nc3-+ –2.97; 9.ed6 0-0 10.Nc3 Nc3 11.Bc3 Qd6 12.Bb4 Nb4 13.c3 Nd5 14.0-0-/+ –0.91) 9...Nf4 10.c3 Bc5 11.d4 Bb6 12.ed6 Qd6 13.Ba3 Qc7 14.Nbd2= –0.12; C) 8...0-0 9.c3 (9.0-0 Nf4 10.Bc3 d6 11.Bb4 Nb4 12.Ra4 Nbd5 13.Bd5 Nd5 14.Qe2-/+ –1.12; 9.Ra2 Nf4 10.0-0 d5 11.Bb5 Qb6 12.Bc6 bc6 13.Bd4 Qc7 14.d3-/+ –0.81; 9.Bd5 ed5 10.0-0 Re8 11.Nc3 Bc3 12.Bc3 d6 13.ed6 Qd6 14.Nd4-/+ –1.09) 9...Be7 10.Ba3 d6 11.ed6 Bd6 12.d4 Ba3 13.Ra3 b6 14.Qc2-/+ –0.78; D) 8...Nf4 9.Bf1 (9.g3 Ng6 10.Na3 0-0 11.Nb5 b6 12.Qe2 Bb7 13.0-0 Qb8 14.Ra4-/+ –0.97; 9.0-0 0-0 10.Bc3 d6 11.Bb4 Nb4 12.Ra4 Nbd5 13.Bd5 Nd5 14.Qe2-/+ –1.12; 9.c3 Be7 10.0-0 d6 11.Re1 0-0 12.ed6 Bd6 13.Ba3 Ba3 14.Na3-/+ –1.00) 9...0-0 10.Ra4 Ng6 11.Bd3 d6 12.Bg6 fg6 13.c3 Ba5 14.Ba3-/+ –0.78.

    8.Be2 A) 8...d6 9.c3 (9.0-0 de5 10.Ne5 0-0 11.Re1 Bd6 12.Nc4 Bf4 13.g3 Bc7 14.Bf3-/+ –0.97; 9.Ra4 Nb6 10.Ra1 de5 11.Ne5 Ne5 12.Be5 Qd5 13.f4 f6 14.Bf3-/+ –1.22; 9.Bb5 Qb6 10.Qe2 0-0 11.c3 Nf4 12.Qf1 Bd7 13.cb4 Nb4 14.Nc3-+ –2.97) 9...Bc5 10.d4 Bb6 11.Bb5 de5 12.Ne5 Bd7 13.Nd7 Qd7 14.0-0+= –0.66; B) 8...0-0 9.Na3 (9.c3 Be7 10.d4 d6 11.0-0 de5 12.Ne5 Ne5 13.de5 Qc7 14.Qd2-/+ –1.16; 9.Ra4 f6 10.ef6 Nf6 11.Bb5 Qb6 12.Bc6 bc6 13.Ba3 c5 14.Bb4-/+ –1.31; 9.0-0 Nf4 10.d4 Be7 11.Bb5 d6 12.Bc1 Ng6 13.Ba3 de5 14.Bc6-/+ –0.81) 9...Nf4 10.0-0 d5 11.ed6 e5 12.Nb5 Bd6 13.Nd6 Qd6 14.Ba3+= –0.41; C) 8...b6 9.Bc4 (9.c3 Be7 10.0-0 0-0 11.c4 Nf4 12.Nc3 f6 13.Nb5 Bb7 14.Nd6-/+ –1.22; 9.Bb5 Bb7 10.c3 Be7 11.0-0 a6 12.Bc4 Nf4 13.Ba3 d6 14.ed6-/+ –1.34; 9.0-0 0-0 10.c3 Be7 11.Ba3 d6 12.ed6 Bd6 13.d4 Bb7 14.Bd3-/+ –1.03) 9...Nf4 10.g3 Ng6 11.c3 Be7 12.d4 0-0 13.h4 d5 14.Bd3-/+ –0.91; D) 8...Nf4 9.0-0 0-0 10.d4 d5 11.Ba3 Ba3 12.Na3 f6 13.Bb5 fe5 14.Bc6-/+ –0.91.

    4.Bb2 d5

    5.ab4 de4-/+ 6.Nc3 Nf6 7.g4 h6 8.Bg2 Bb4 9.Qe2 Nc6 10.Ne4 Be7 (10...e5 11.Nf6 Qf6 12.Qe4-/+) 11.Nf3 (11.Nf6 gf6 12.h3 Qb6-/+) 11...Ne4 (11...Ng4!? 12.Bg7 Rg8-/+) 12.Qe4+= Bf6 13.d4 Bd7 14.0-0 0-0 15.Rfe1 a5 16.Ne5 Qc7 17.Nd7 Qd7 18.Rad1 White prepares the advance d5 (18.Bf1!?+=) 18...a4-/+ 19.d5? (better is 19.Ba3 Rfe8 20.Re3-/+) 19...Bb2-+ 20.dc6 Qc6 21.Qc6 (21.Qb4 Qc2 22.Rd2 Bc3 23.Qf8 Kf8 24.Rc2 Be1 25.Bb7 Ra7-+) 21...bc6 22.Bc6 Ra6 (better is 22...a3!? 23.Ba8 Ra8 24.Rb1-+) 23.Bb5 Ra5 24.Bc4 (better is 24.c4-+) 24...Rc5 25.Re4 Ra8 26.Rd2 (26.Ba2 Rc2 27.Rc4 Rc4 28.Bc4 Kf8-+) 26...a3 (26...Rc4!? 27.Rc4 a3 28.Rd1-+) 27.Ba2 Bc1 28.Rde2 Rb5 29.c4 Rb2 30.Kf1 (30.Kg2-+) 30...Bd2 31.Rd2 (31.Rd4 Ra2 32.Kg2 Rc2 33.Red2 Rd2 34.Rd2 a2-+) 31...Rd2 32.Re2 Re2 33.Ke2 Rb8 (33...Rb8 34.Kd3 Rb2-+) 0–1. Knudsen,JesW (1890) – Vlasak,Lu (2245), Teplice CZE, Open, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3)

    5.ed5 ed5 6.ab4 Nf6 (6...Bb4?? 7.Bg7 Qe7 8.Ne2+-) 7.b5 Bc5 8.Nf3 0-0 9.Be2 Bf5 10.0-0 Re8 11.h3 Nbd7 12.d4 Bd6 13.Nh4 Be4 14.f3 Bg6 15.Ng6 fg6 16.c4? (16.Bd3 Qe7 17.Rf2 Bf4=) 16...dc4?? (better is 16...Qe7 17.Rf2 Bg3-+) 17.Bc4= Kh8 18.Nc3 Nb6 19.Bb3 Bf4 20.Qd3 Be3 21.Kh1 Bd4 22.Rfd1 Be5 23.Qd8 Red8 24.Rd8 Rd8 25.Ra7 Rc8 0–1. Della Rossa,Anastasia – Sitdikova,Liya, RUS–ch U12 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.ed5 ed5 6.Nf3 Nf6 (6...Qe7!? might be a viable alternative 7.Qe2 Nc6+=) 7.Bb5 Bd7 8.Bd7 Nbd7 White's piece can't move: b1 (8...Nfd7 9.0-0 a5 10.Re1 Be7 11.Bg7+-; 8...Qd7 Worse is 9.Bf6 Qe6 10.Be5=) 9.0-0 White castles and improves king safety 9...Be7 (9...ba3 10.Qe1 Be7 11.Ba3=) 10.ab4 0-0 Black castles and improves king safety 11.Bd4 A sound move (11.Bf6 Bf6 12.Ra5 Nb6=) 11...Qc7 (better is 11...Bb4 12.Bc3 Be7-/+) 12.c3 Prevents intrusion on b4 (12.Ba7 Inferior is 12...b6 13.Bb6 Nb6 14.Ra8 Ra8-+) 12...Bd6 13.Na3 (13.Ra7 Ra7 14.Ba7 b6 15.Bb6 Nb6-/+) 13...a6 White has a cramped position 14.Nc2 Black has an active position 14...Ng4 Black threatens to win material: Ng4xh2 (14...Rfe8 15.g3=) 15.h3 White threatens to win material: h3xg4 (15.g3+=) 15...Nge5 (15...Ngf6 16.Ne3=) 16.Ne3+= Nf6 (16...Rfe8 17.Ne5 Be5 18.Be5 Qe5 19.Qb3=) 17.Nf5 (17.Ra5!?+/-) 17...Rfe8 18.Nd6 Nf3 19.Qf3 Qd6 20.Bf6 gf6 21.Rfe1 Re6 22.Re2 (22.Re6 Qe6 23.Qg3 Kh8+/-) 22...Rae8 23.Rae1 Re2 24.Re2 Re2 Black has a mate threat 25.Qe2 A queen endgame occured 25...Qe6 Black threatens to win material: Qe6xe2 26.Qf1 Kf8 27.d3 Ke7 28.Qc1 Kd7 29.Kf1 Kc6 (29...Qe5 30.Qd2+=) 30.h4 (30.Qh6 Qe5+=) 30...Qe5 31.f4 White threatens to win material: f4xe5 (31.g3 Kd7+=) 31...Qe6 32.Kf2 b6 33.g3 Kb5 34.Kf3 h5 White has a new backward pawn: g3 35.Qd2 a5 36.ba5 ba5 Black has a new passed pawn: a5. 37.Qb2 Ka6 38.Qb8 Qc6 Black threatens to win material: Qc6xc3 39.Ke3 Qb6 ½–½. Picard,Serge (2030) – Camus,Berenger (2065), FRA–chT4, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.ed5 Qd5 6.ab4 Qe4 7.Ne2 Qb4 8.Ba3 Qb6 =+.

    4.Bb2 Nf6

    5.Bd3 Nc6 6.Nf3 d6 7.0-0 e5 8.h3 (8.ab4 Nb4 9.Bb5 Bd7 10.Bd7 Qd7+=) 8...h6 (8...ba3 9.Ba3 Be7 10.Nc3-/+) 9.ab4+= Nb4 10.Bb5 Bd7 11.Bd7 Nd7 12.d4 Be7 13.de5 de5 14.Na3 (14.Ne5 Ne5 15.Qd8 Rd8 16.Be5 Rh7+=) 14...0-0 (14...Qc7!?+=) 15.Ne5= Ne5 16.Be5 Qb6 17.c3 Qe6 18.Bd4 Nc6 19.Nb5 Qe4 20.Re1 Qg6 21.Na7 Bf6 22.Nc6 bc6 23.Qf3 ½–½. Covaci,Stefan (2115) – Geanta,Horia (2240), Radulescu Memorial, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.Qe2 Nc6 6.Nf3 b6 7.g3 Bb7-/+ 8.Bg2 Rc8 9.0-0 Be7 10.ab4 Bb4 11.Nc3 a5 12.Rfb1 Bc5 13.Na4 Na7 14.Nc5+/- Rc5 15.Bf6 gf6= 16.d4 Rc3 17.Ra5 ba5=+ 18.Rb7 Nc6 19.Qb5 0-0 20.d5=+ Nb4 21.Rd7 Qc8 22.de6 fe6= 23.Ng5?? Rc5-+ 24.Qc5 Qc5 25.Rg7-/+ Kg7 26.Ne6 Kh6 27.Nc5 Nc2 28.f4 Rc8 29.Nd7 a4-+ 30.e5 fe5 31.Ne5 a3 32.Bd5 Nb4 (32...Nb4 33.Bb3 Rc2-+; 32...Ne3 33.Bb3-+) 0–1. trilobite – Romerm, ChessWorld.net, 2008.

    5.Qf3 Qc7 6.Bf6 gf6 7.ab4 Qe5 8.Ra5 Qb2 9.Nc3 Qc1 (worse is 9...Qb4 10.Ra4 Qb2 11.Nd1=) 10.Qd1 Qd1 11.Kd1 Bb4 12.Ra4 Bc3 13.Rc4 Nc6 14.Rc3 b6 15.Nf3 Bb7 16.d4 Ke7 17.Be2 Rac8 18.Re3 Na5 19.Nd2 Rhg8 20.Rg1 d5 21.ed5 Bd5 22.Bf3 Bf3 23.Rf3 Rg5 24.Ne4? (24.Ra3 Nc6-/+) 24...Rd5 (better is 24...Rg4!? 25.Nf6 Rd4 26.Kc1 Ra4-+) 25.c3-/+ f5 26.Nd2 Nb7 27.g4 Nd6 28.gf5 Nf5 29.Ke1? (better is 29.Ke2-+) 29...Nd4! 30.Rfg3 (30.cd4 Rc1) 30...Re5 31.Kd1 0–1. Revol,Olivier – Azariants,Evgeni (2210), Toulon op, 1996. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 Nf6)

    5.e5 Nd5

    6.ab4 Bb4 7.c3 Be7 8.Be2 0-0 9.Nf3 d6 10.Na3 Nc6 11.0-0 de5-+ 12.Qc2 b6 13.Bd3 h6 14.Bh7 Kh8 15.c4 Nf6 16.Be4 Bb7 17.Bc6-/+ Bc6 18.Ne5 Bb7 19.Rfe1 Bc5 20.Qc3 Qe7 21.Ng4 Rfd8 22.Nf6 Bd4 23.Qc2 Qf6 24.Bd4 Qd4 25.Nb5 Qg4 26.f3 Bf3 27.d4 Bc6 28.Na7 Qd4 29.Kh1 Be4! 30.Qe4 Qe4 31.Re4 Ra7! 32.Ree1 Ra1 33.Ra1 Rd4 34.Rc1 Kh7 35.h3 e5 36.c5 bc5 37.Rc5 f6 38.Kg1 Rd2 39.Rc4 g5 40.h4 Rd4 41.Rd4 ed4 42.hg5 fg5 43.Kf2 Kg6 44.Ke2 Kf5 0–1. Rezny,F (1665) – Hosek,M (2300), Open Duras BVK FIDE, Brno CZE, 2009.

    6.ab4 Bb4 7.c3 Be7 8.Nf3 0-0 9.c4 Nc7 10.d4 d5 11.ed6 Bd6 12.Bd3 Ne8 13.0-0 Nf6 14.Nc3 Nc6 15.Re1 b6 16.Nb5 Be7 (better is 16...Bb4!? 17.Bc3 Bb7+=) 17.Ne5= Na5 18.Ra5 ba5 19.Nc6 Qd7 20.Ne7 Qe7 21.Ba3 Qd8 22.Bf8 Kf8 23.Qa4 a6 24.Qa3 Kg8 25.Nd6 Bd7 26.Ra1 Bc6 27.c5 a4 28.Bc2 Ne8 29.Ne8 Qd5? (better is 29...Qe8 30.Ba4 a5=) 30.Qh3+- Re8 31.Qh7 Kf8 32.Qh8 Ke7 33.Qg7 Rd8 34.Ba4 (34.h4 Qd4 35.Qg5 Kf8+/-) 34...Ba4 35.Ra4 Qc5 36.h4 (36.dc5?? Rd1) 36...Qc6 37.Qg5 Ke8 38.Ra1 Qb6 39.Qc5+/- Qc5 40.dc5+- Rd4 41.g3 Rc4 42.Ra5 Ke7 43.Kg2 f5 44.h5 Kf6 45.h6 Rc3 46.f4 Rc2 47.Kf3 Rc3 48.Kf2 Kf7 49.Ra6 Rc5+/- 50.Ra7 Kg6 51.h7 Rc8 52.Ke3 Rd8 53.Rb7 Kh6? 54.Rd7! Re8 55.Kd4 Kh5 56.Ke5 Kg6 57.Re7!! Rf8 58.Ke6 Rf6 59.Kd7 Rf8 60.Re8 Rf7 61.Ke6 Ra7 62.h8Q Re7 63.Kd5 (63.Kd5 Re8 64.Qe8 Kf6 65.Qg8 Ke7 66.Qg7 Ke8 67.Kd6 Kd8 68.Qd7#; 63.Kd6 Re8 64.Qe8 Kf6 65.Qe7 Kg6 66.Ke6 Kh6 67.Kf7 Kh5 68.Qg5) 1–0. Erwich,Marc JL (2055) – Muhren,Willem, Den Bosch m1, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    6.ab4 Nb4 7.Na3 Be7 8.Qg4 0-0 9.Nf3 N8c6 10.Rb1 a5 11.c3 Nd5 12.c4 Ndb4 13.h4 f6 14.c5 Ne5 15.Ne5 fe5 16.Be5 Rf7 17.Rh3 (17.d4 b6 18.Qe4 Ba6-/+) 17...d6 18.cd6 Bd6 19.Nc4 Be5 20.Ne5 Rf5 21.f4? (better is 21.Qe4-/+) 21...Qd4-+ 22.Rg3 (22.Nd3 e5! 23.Qe2 ef4 24.Kd1-+) 22...g5 (better is 22...Qe4 23.Be2 Qb1 24.Kf2 g5-+) 23.Rc1 Qe4 (worse is 23...Qf4 24.Qf4 Rf4 25.Rg5 Kf8 26.Rc7=) 24.Be2 Nd5 (worse is 24...Qf4 25.Qf4 Rf4 26.Rg5 Kf8 27.Rc7+=) 25.Rc4 Qb1 26.Bd1 b5 (26...Nf4 27.Qf4 Rf4 28.Rg5 Kf8 29.Rf4 Ke7 30.Rf7 Kd6 31.Nc4 Kc6 32.Na5 Kb6 33.Nc4 Ka7 34.Ra5 Kb8 35.Ra8 Ka8=) 27.Qh5= Ba6?? (27...Kf8 28.Rb3 Qa1 29.Qh6 Ke8 30.Qh5 Kf8 31.Qh6 Ke8 32.Qh5 Kf8=) 28.Rd4 Ra7?? 29.Qe8+- Kg7 30.Qe6 Ne7?? 31.Rg5 (31.Rg5 Rg5 32.Qf7 Kh8 33.Qf6 Rg7 34.Nf7 Kg8 35.Rd8) 1–0. Breustedt,Werner (2230) – Bernhoeft,Erhard (1995), GER–chT Seniors, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Bb2 Nf6 5.e5 Nd5)

    6.ab4 Nb4 7.Nf3 N8c6 8.Bc4 Be7 9.0-0 0-0 10.d4 f6 (10...Na5 11.Be2=+) 11.c3= Na6 12.d5 (better 12.ef6 Rf6 13.Nbd2=) 12...Ne5-/+ 13.Ba6 (13.Ne5 fe5 14.d6 Bg5-/+) 13...Nf3-+ (13...ba6 14.d6 Nf3 15.gf3+=) 14.Qf3 Qb6 (14...ba6!? 15.Ba3 Ba3 16.Ra3 Rb8-+) 15.d6-/+ Bd6 (15...Bd8!? 16.Bd3 Qb2-/+) 16.Nd2=+ ba6 (16...Qb2? 17.Nc4 Bh2 18.Kh2+-) 17.Nc4 Bh2 (17...Bb7 18.Nb6 Bf3 19.Na8=) 18.Kh2 Qc7 19.Kg1 Bb7 (19...Rb8 20.Qe2 d5 21.Ne3=) 20.Qe2 Qc6 21.f4 Qc5 22.Kh2 Rfc8 23.Na5 Bd5 24.c4 Bc4 25.Nc4 Qc4 26.Qg4 Rf8 27.Rf3 Rab8 28.Rd1? (28.Rc3 Qe4 29.Rg3 g6=) 28...Rb7 (28...Rb2 29.Rd7 g6-/+) 29.Ba3 Re8 30.Bd6 Qe2 31.Rdd3 a5 (31...Rc8 32.Be7 Kf7 33.Ba3=) 32.Qh5= Rc8 33.Qa5 Rb2 (33...h6 34.Rfe3 Qg4 35.Rc3 Rc3 36.Qc3=) 34.Rg3+= f5 (34...Rbc2 35.Be7 Qf2 36.Rd7+-) 35.Be5 (35.Be5 Qh5 36.Rh3 Rg2 37.Kg2 Qe2 38.Kg3 Qd3 39.Kh4 g5 40.Kg5 Qh3 41.Bh8 Rf8 42.Be5 Qg4 43.Kh6 Qh4) 1–0. Simonsen,Olavur (2160) – Brekka,Martin (2060), Faroe Islands–chT, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 Nf6 5.e5 Nd5)

    6.Bc4 Nb6 7.Bd3 Nc6 8.ab4 Nb4 9.Qg4 Qc7 10.Na3 a6 11.Ne2 g6 12.0-0 Bg7?? (better is 12...Bc5+=) 13.Qb4+- Nd5 14.Qe4 0-0 15.Nb5! Qb8 (15...ab5 16.c4) 16.Nd6 f5 17.Qh4 Nc7 18.f4 Ne8 19.Ba3 Qa7 20.Kh1 Nd6 21.Bd6 (21.ed6?! Ba1 22.Ra1 b5+/-) 21...Rf7 22.Nc3 (22.Nc3 Bf8 23.Nb5+-) 1–0. Schulz,Hans Juergen (2055) – Hagenlueke,Thomas, Norderstedt op 5th, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 Nf6 5.e5 Nd5)

    6.Bc4 Nc6 7.Qf3 (7.Nf3 Nb6 8.Bb3 d5=+) 7...Qb6 8.Bd5 (8.a4 Qc5 9.Bd3 b3 10.cb3 Nd4-+) 8...ed5 9.Qd5 ba3 10.Ba3 (10.Bc3!? a2! 11.Qa2-/+) 10...Ba3-+ 11.Na3 Qb2 12.Qa2 Qe5 13.Kf1 0-0 14.Nf3 Qf6 15.Re1 d6 16.h3 (16.Qd5 Bf5-+) 16...Be6 17.Qa1 Qf5 18.Qb2 b5! 19.c3 (19.Nb5 Bc4 Double attack (19...Bc4 Decoy); 19.Qb5 Qb5 Double attack) 19...a5 20.Nc2 Ne5 21.Ncd4 Bc4 22.Kg1 Qf6 23.Ne5 de5 24.Nc2 Rfb8 (24...a4 25.Na3-+) 25.Ne3 Be6 (25...Qf4 26.d4-+) 26.Ra1 (26.Ng4!? Bg4 27.hg4-/+) 26...e4 27.Qb1 Qe5 28.g3 (28.Qe1 b4 29.Nf1 b3-+) 28...f5 (28...b4 29.cb4 Rb4 30.Qd1-+) 29.Kh2 g5 (29...Qd6 30.Rd1 b4 31.Qb2-+) 30.Rf1 h5 (30...Rd8 31.Rd1-+) 31.f4 (31.d4 ed3! 32.Qd3 Rd8-+) 31...Qd6 32.Qc2 (32.Rf2 g4-+) 32...h4 33.Ng2 (33.g4 fg4 34.Ng4 Bg4 35.hg4 a4-+) 33...hg3 34.Kg3 gf4 (34...b4 35.cb4 ab4 36.Qb2-+) 35.Rf4 (35.Nf4 a4-+) 35...Rd8 36.Ne3 (36.d4 ed3 37.Qd2 a4-+) 36...Qd2 (better 36...Ra7 37.Raf1 Rg7 38.Kh2 Qd2 39.Qd2 Rd2 40.R1f2 Rf2 41.Rf2 Kh7-+) 37.Qd2 Rd2 38.Nf5 Rd3 39.Kg2 (39.Kf2 Rh3 40.Nd4 Bc4 41.Re4 a4-+) 39...Rc3 40.Nd6 Rh3 (40...Bh3?! 41.Kh2 Rc7 42.Kh3=) 41.Nb5 Kh7 42.Re4 (42.Ra4 Rg8 43.Kf1-+) 42...Bd5?? (better 42...Rg8 43.Kf2 Bd5-+) 43.Kh3-/+ Be4 44.Na3 (44.Nc7 Ra7-/+) 44…a4 ½–½. mizuzul (2250) – Bazza3 (2440), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 Nf6 5.e5 Nd5)

    6.Nf3 Nc6 7.ab4 Bb4 8.c3 Be7-/+ 9.d4 d6 (9...0-0!?-/+) 10.c4+= Nc7 (10...Nf4 11.g3 Ng6 12.ed6 Bd6 13.Bg2=) 11.ed6= Qd6 12.Bd3 (12.Be2 0-0=) 12...0-0 (12...Bf6!?-/+) 13.0-0= Rd8 14.Nbd2 f5 15.Qb1 (15.h3!?=) 15...Bf6-/+ Increases the pressure on d4 16.Nb3 b6 17.Rd1 a5 18.Ne5 (18.Be2 Qe7-/+) 18...Nb4 (18...Nd4!? 19.Nd4 Qe5-+ (19...Be5?! 20.Be2 Qf8 21.Ne6 Rd1 22.Qd1 Bh2 23.Kh2 Ne6 24.Qd5+=)) 19.Be2 (19.c5 bc5 20.dc5 Qe7 21.Ra5 Ra5 22.Na5 Qc5-/+) 19...Bb7 20.f4? (better is 20.Bc3!?+=) 20...Be4-+ 21.Qc1 Bc2 22.Nd2 Bd1 23.Qd1 Nca6 24.Qb3 Rac8 25.Ndf3-/+ Nb8 26.h4 h6 27.Kh2 Kh7 28.Ng5-/+ Bg5 29.hg5 N8c6 30.gh6 gh6 31.Rd1 Qe7 32.Qh3 b5 33.d5 Ne5-/+ 34.Be5 bc4 35.de6 Qe6-/+ 36.Bc4 Qg6 37.Qf3 Nc6 38.Bc3 Rd1 39.Qd1 Ne7 40.Qd4 Rg8 1–0. Shirazi,Kamran (2405) – Straub,Juergen (2225), Muenchen GER, OIS Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    6.Nf3 Nc6 7.Bc4 Nb6 8.Bb3 =+.

    6.Nf3 Nc6 7.Bc4 Nf4 8.0-0 Be7 9.ab4 Bb4 10.Na3 a6 11.c3 Be7 12.d4 d6 13.ed6 Bd6 14.Bb3 0-0 15.Nc4 Bc7 16.Ba3 Re8 17.Re1 b5 18.Ncd2 Bb7 19.Ne4 Na5 20.Nc5 Bc6 21.Bc2 Nc4 22.Bc1 a5 23.Be4 Be4 24.Re4 Nd5 25.Qc2 Ne7 26.Bg5 Qd5 27.Be7 Re7 28.Rh4 Qf5 29.Qb3 Rb8 30.Na6 a4 31.Qb4 Bd6 32.Nc5 Reb7! 33.h3 Rc7 34.Ra4? Rc5 35.dc5 ba4 36.cd6 Rb4 37.d7 Rb8 38.Rc4 e5 39.Rc8 Rc8 0–1. Karacsony,Zsolt (2070) – Anghelus,Marius Traian, Techirghiol op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Bb2 Nf6 5.e5 Nd5)

    6.Nf3 Nc6 7.g3 Be7 8.ab4 Ndb4 9.c3 Nd5 10.d4 d6 11.ed6 Bd6 12.Nbd2 0-0 13.Bd3 b6 14.0-0 Bb7 15.Re1 Re8 16.c4 Nf6 17.Ne4 Nb4 Black claimed a win on time 0–1. nii_sama (2630) – Bazza3 (2020), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 Nf6 5.e5 Nd5)

    6.Qg4 Nc6 7.Nf3 d6 8.Bb5 Qb6 9.Ba4 Bd7 10.Bb3 Ne5 11.Ne5 de5 12.Be5 Nf6 13.Qe2 Be7 14.0-0 0-0 15.ab4 Qb4 16.Nc3 a6 17.f4 Rfd8 18.Rf3 Ng4 19.Rg3 Ne5 20.fe5 Bc6 21.Bc4 Rd4 22.Bd3 Rh4 23.Rf1 h6 24.Kh1 Bg5 25.Qe1 Rd8 0–1. Bender,Klaus – Hohm,Klemens, GER jub50 qJVM03 corr, 1996. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.a3 Nf6)

    4.ab4 Bb4

    5.Ra3? Ba3-+ 6.Ba3 Qh4 7.Nc3 Ne7 8.Nf3 Qf6 9.Nb5= Na6 10.Nd6 Kf8 11.Ba6 ba6= 12.0-0 Kg8 13.d4?? Nc6=+ 14.e5 Qg6 15.Nh4 Qg5 16.g3 h5 17.f4 Qg4 18.Qd2 g6? 19.Ne4 Kg7 20.Nf2 Bb7 21.Ng4 hg4 22.Ng2 a5 23.c4 Rh5 24.d5 Nb4 25.Bb4 ab4 26.Ne3 a5 27.Rb1 Rah8 28.Ng4 Rh3 29.Ra1 b3 30.Ra5 ed5 31.cd5 Rc8 32.Rb5 Rc2 33.Qd4 Ba6 34.e6 Kh7 35.ef7 Rc1 36.Kg2 Rh2 37.Kh2 Rc2 38.Kh3 Rc8 39.Rb3 Bf1 40.Kh4 Rf8 41.Qf6 Bc4 42.Re3 Bd5 43.Re8 Re8 44.fe8Q Bg8 45.Qee7 (45.Qee7 Bf7 46.Qef7#; 45.Qeg6) 1–0. gregorgysi (2295) – sourcerer (2005), net–chess.com, 2009.

    5.Ba3 Ba3 6.Ra3 Nc6 7.Nf3 d5 8.e5 Bd7 9.Nc3 a6 10.Qb1 b5 11.Ra2 Nge7 12.d4 0-0 13.Bd3 Qc7 14.Ne2 f6 15.ef6 Rf6 16.0-0 Rff8 17.Ng3? (17.Qb2 Qd6+=) 17...e5 18.de5 Ne5 19.Ne5 Qe5 20.c4 dc4 21.Bh7 Kh8 22.Re2 Qf6 23.Rfe1 Nf5 24.Ne4 Qh6 25.Nc5 (25.Bf5 Bf5 26.Qb2 Qg6-/+) 25...Qc6 (better is 25...Nd4 26.Re5 Qh7 27.Qh7 Kh7 28.Nd7 Rfd8 29.Rh5 Kg8-+) 26.Nd7-/+ Qd7 27.Bg6 Rad8 28.Re5 Nh6 29.Qa1? (better is 29.h3!?-/+) 29...Qd4-+ 30.Qd4 Rd4 31.Re8 Rd8 32.R8e7 Ng8 33.Ra7 Rf6 34.Bh5 Kh7 35.Bf3 Rfd6 36.h3 Nf6 37.g4 R8d7 38.Ra8 g5 39.h4 (39.Ra1 c3-+) 39...gh4 40.g5 Rg7 41.Re5 Kg6 42.Rh8 Ng8?? (better is 42...Kf7-+) 43.Bh5 1–0. Forman,Miroslav (1950) – Kruska,Vladimir (1870), Czechia KP–chTB, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Ba3 Ba3 6.Ra3 Nf6 7.e5=+ Nd5 8.Qg4 0-0 9.Bd3 (9.Rg3 g6=+) 9...f5 (9...d6 10.Nf3 f5 11.Qg3-/+) 10.ef6 (10.Qg3 b6-/+) 10...Nf6-/+ 11.Qg3 (11.Qh4 b6-/+) 11...e5! 12.c4 (12.Qe5 Ng4 Double attack (12...Ng4 Decoy)) 12...Nc6 13.c5 (13.Nc3 d6-/+) 13...d5 14.cd6 Qd6 15.Nf3 Rd8 (15...Qb4 16.Ng5-+ (16.Ne5?? Ne5 17.0-0 Nd3 18.Rd3 a5-+)) 16.Ng5 Be6 (16...Qd4 17.Bb5 h6 18.Qb3 Nd5 19.Ra4-+) 17.0-0 (17.Qh4 h6 18.Ne6 Qe6=+) 17...h6 (17...Bd5 18.Qh4 h6 19.Ne4 Ne4 20.Be4-+) 18.Ne6 (18.Ne4 Ne4 19.Be4 Bd5-/+) 18...Qe6 19.Rc3 (19.Re1 a5-/+) 19...Qg4 20.Qe3 (20.Qg4!? Ng4 21.Re1-/+) 20...Nd5-+ 21.Qc5? (better 21.Bc4 Qc4! 22.Rc4 Ne3 23.de3-+) 21...Nc3 22.Bc4 Kh8 23.dc3 Rd1 (23...Rac8 24.Na3-+) 24.f3 (24.Na3 Rc8 25.Rd1 Qd1 26.Bf1 Qd2-+) 24...Rf1 25.Kf1 (25.Bf1 Qf4-+) 25...Qf4 26.Qb5 (26.Ke2 Rd8-+) 26...Rb8 (better 26...a6 27.Qc5 Qc1 28.Kf2 Qb1 29.Bd5-+) 27.Bd5 a6 (27...Rd8!? 28.c4 Qc1 29.Kf2-+) 28.Qb6 Qf6 (28...Rf8 29.h3-+) 29.Be4 Qd8 (29...Qh4 30.g3 Qh3 31.Kg1-+) 30.Qb2 (30.Qd8 Rd8 31.Ke2 a5-+) 30...Na5 31.Nd2 (31.Qa2 Qc7-+) 31...Qc7 32.Bd3 (32.Bb1 Nc4 33.Nc4 Qc4 34.Ke1 Qh4 35.g3 Qg5-+) 32...b5 (32...Rd8 33.Be2-+) 33.Qc1 (33.Qb4 Kg8-+) 33...b4 (33...Rd8 34.Ke2-+) 34.c4 (34.Ne4 bc3 35.Qc2 Nc4 36.Qc3 Ne3 37.Ke2 Qc3 38.Nc3 Ng2 39.Ba6 Rb2 40.Kd3 Ne1 41.Ke4 Rb4 42.Ke5 Nf3 43.Kd5 Nh2-+) 34...Nc6 (34...Qd7 35.Bb1 b3 36.Qc3-+) 35.Ne4 (35.Qe1 Ne7-+) 35...b3 36.Bb1 b2 (36...a5 37.c5 a4 38.Nd6-+) 37.Qc3 Qa5 (37...Qd8 38.Qc2 Nd4 39.Qd3-+) 38.Qd3 (38.Qc2 Nd4 39.Qd3-+) 38...Nd4?? (better 38...Nb4 39.Qe2 Qd8-+) 39.Nf6 (better 39.Nd6!? e4 40.Qe4+-) 39...e4= 40.Ne4? (better 40.Qd4!? ef3 41.gf3=) 40...Nf5 (better 40...Ne6!?-+) 41.Nd6-/+ g6 42.Nf5 gf5 43.Qe3 Qb6 44.Qe5 Kg8 45.Qf5 (45.Qd5 Kg7 46.Qe5 Kf7-/+) 45...Rb7-/+ 46.Qd5 (46.c5 Qb5 47.Kf2 Qd7 48.Qg6 Qg7 49.Qe8 Qf8=) 46...Kg7 (46...Rf7 47.Qa8 Kg7 48.Qe4-/+) 47.Qf5 (47.c5 Qb5 48.Kg1 Re7 49.Qd4 Kf7 50.Qd5 Re6-+) 47...a5 (47...Qc6 48.Qh7 Kf8 49.Qh8 Ke7 50.Qg7 Kd8 51.Qf8 Kc7 52.Qe7 Kb8 53.Qd8 Ka7 54.Qd4 Qb6 55.Qe4-+) 48.Qh7 (48.c5 Qc6=+) 48...Kf8 49.Qh8 Ke7 50.Qg7 Kd8 51.Qf8 Kc7 52.c5? (52.Qe7 Kb8 53.Qe5 Rc7 54.g4-+) 52...Qb5 (52...Qe6 53.Kf2-+) 53.Kf2 Qc6?? (better 53...Qd7 54.Qh6 Qd4 55.Qe3 Qe3 56.Ke3 Kc6-+) 54.Qf4 (better 54.Bf5 Qd7 55.Bd7 Kd7 56.Qg7 Kc6 57.Qh6 Kc5 58.Qe3 Kb5 59.Qe4+-) 54...Kc8 (54...Kd8 55.Qd4 Qd7 56.Qh8 Qe8 57.Qh6=+) 55.Qf8 Kc7 56.Qf4 (56.Bf5 Qd7 57.Bd7 Kd7 58.Qf5 Kc7 59.Qe5 Kc8 60.Qh8 Kc7 61.Qh7 Kb8 62.Qb1+-) 56...Kc8 (56...Kd8 57.Qd4 Qd7 58.Qh8 Qe8 59.Qd4 Kc8 60.Qd6=+) 57.Qf8= Kc7 ½–½. Branson,James (1670) – Conq,Alain (1885), 12e Tournoi de Nol, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Ba3 Nc6 6.Bb4 Nb4 7.c3 Nc6 8.d4 d6 9.Nf3 Nf6 10.Bd3 0-0 11.0-0 e5 12.h3 b6 13.Nbd2 Bb7 14.Re1 Re8 15.Qb3 Re7 16.Nc4 ed4 17.cd4 d5 18.ed5 Qd5 19.Re7 Ne7 20.Qb2 Ng6 21.Ne3 Qd8 22.Ne5 Nd7 23.Nf7?? Kf7-+ 24.Bc4 Kf8 25.Nf5 Qg5 26.Qa3 Ne7 27.g4 g6 28.Nd6 Bc6 29.Re1 Qd2 30.Re3 Qd4 31.Nf5 Qd1 32.Bf1 Nc5 33.Ne7?? Bb5+/- 34.Qb2 Qf1 35.Kh2 Ke8 36.Nd5 Kd7 37.Qg7 Kd6= 38.Qe5 Kc6 39.Nb4 Kb7 40.Qd5 Kc7 41.Re7 Bd7-/+ 42.Qe5 Kb7 43.Qd5 Kc7 44.Qc6 Kd8 45.Rd7 Nd7 46.Qa8 Ke7 47.Qe4 Kd8 48.Qa8 Kc7 49.Qc6 Kd8 50.Qa8 Kc7 51.Qc6 Kd8 52.Qa8 Kc7 ½–½. Dimitrov,Pavel – Tregubov,Pavel V, Bastia FRA, Corsican Circuit, 2011.

    5.Ba3 Nc6 6.Bb4 Nb4 7.Nf3 d5 8.e5 Qc7 9.c3 Nc6 10.d4 Bd7 11.Na3 Na5 12.Nb5 Bb5 13.Bb5 Kd8 14.0-0 a6 15.Be2 b5 (15...Qc3 16.Qb1 b5 17.Rc1 Qa1 18.Qa1+-) 16.Qd2 Ne7 17.Qg5 Rg8 (worse is 17...Qc3 18.Rfc1 Qb2 19.Ra5 Qe2 20.Qg7+=) 18.Ra3 Nc4 19.Bc4 bc4 20.Rfa1 a5 21.Qh5 Nf5 22.Qh7 Ke7 23.Qh5 Rh8 24.Qg5 Kf8 25.Qf4 Kg8 26.g3 Ne7 27.Qc1 Nc6 28.Ne1 Rb8 29.Rb1 Kh7 30.Qc2 g6 31.Raa1 Rb1 32.Rb1 Rb8 33.Kf1 Rb1 34.Qb1 Qb8 35.Qb8 Nb8 36.Ke2 Nd7 37.Kd2 Nb6 38.Kc2 Kh6 39.Ng2 Kh5 40.Ne3 Kg5 41.Kb2 Na4 42.Kc2 f5 43.ef6 Kf6= 44.Ng4 Kf5 45.Ne5 g5 46.Nc6 Kg4 47.h4 gh4 48.gh4 Kh4 49.Nd8 Kg4 50.Ne6 Kf3-+ 51.Nc7 Nb6 52.Kb2 Kf2 53.Kc2 Ke2 54.Nb5 Nd7 55.Nc7 Nf6 56.Ne6 Ke1 57.Nf4 a4 58.Ne6 a3 59.Nc7 a2 60.Kb2 Kd2 61.Ka2 Kc3 62.Nb5 Kd3 63.Kb2 Ne4 64.Kc1 Nd2 65.Kb2 Nf3 66.Nc3 Kd4 67.Ne2 Ke3 68.Ng3 d4 69.Nf5 Kd2 70.Nd6 c3 71.Kb3 Kd3 72.Ka2 Kc2 73.Nb5 d3 74.Na3 Kd1 75.Nb1 c2 76.Nc3 Kc1 77.Kb3 Kd2 78.Ne4 Ke3 79.Kb2 0–1. Hummel,Thomas – Enders,Christian, Oberpfalz–ch M2, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Bb2 Qg5 6.Nf3 (6.Nc3 Nc6=) 6...Qh6 (6...Qg6 7.e5=+) 7.Bd3 (7.Nc3 Nc6=) 7...Nc6=+ 8.0-0 Nf6 9.Na3 (9.e5 Nh5=) 9...0-0 10.c4 (10.e5 Ne8=+) 10...d5 (10...d6 11.Nb5-/+) 11.cd5 ed5 12.e5 (better 12.Bf6!? de4 13.Be4 Qf6 14.Qb1=+) 12...Ne4-/+ 13.Bc1 (13.Qc2 Bf5-+) 13...Bg4 14.Nc2 (14.Be2 Bf3 15.Bf3 Qe6-+) 14...Bc5 (14...Bf3!? 15.gf3 Qg6 16.Kh1 Nf2 17.Rf2 Qd3 18.Nb4 Nb4 19.Ba3-+) 15.Be2 Qh5 16.d4? (better 16.Bb2-/+) 16...Nc3-+ 17.Qd3 Ne2 18.Qe2 Bf3 (better 18...Bd4!? 19.Ra3 Be5 20.h3 Bf3 21.Rf3-+) 19.Qf3 Qf3 20.gf3 Nd4 21.Nd4 Bd4 22.Rb1 b6 (22...Be5 23.Rd1 d4 24.f4-+) 23.Rd1 Be5 24.Rd5 Bf6 25.Bf4 Rfd8 26.Rdb5 Rd7 27.Kg2 Rad8 28.R1b3 Bd4 29.Be5 (29.Rd3 Kf8-+) 29...Be5 (29...a6 30.Bd4 ab5 31.Be3-+) 30.Re5 Kf8 31.Re2 Re8 32.Ra2 Re5 33.f4 Red5 34.Re3 a5 35.Rc2 (35.Kf3 R7d6-+) 35...a4 36.Rc6 (36.Re4 b5-+) 36...b5 37.Rb6 Rd8 (37...f6 38.Kf3-+) 38.Rc3 (38.Rb7 Ra8-+) 38...g6 39.Rc7 R8d6 (39...Rf5 40.Rcb7 Rdd5 41.h3-+) 40.Rbb7 (40.Rb8 Kg7-+) 40...Rf5 41.Kg3 (41.Kf3 Rd3 42.Ke4 Rh3 43.Rc8 Kg7-+) 41...Rd4 42.Rb8 (42.Rd7 Rdf4 43.Rb8 Kg7-+) 42...Kg7 43.Rcb7 (43.Ra8 Rdf4 44.Rc2 Rb4-+) 43...Rb4 (43...a3 44.Re7-+) 44.Rb6 (44.h3 Rbf4 45.Rb5 Rf3 46.Kg2 Rf2 47.Kg1 Rf1 48.Kg2 R5f2 49.Kg3 Rf3 50.Kg2 R1f2 51.Kg1 a3-+) 44...a3 (44...Rbf4!? 45.Rb5 Rf3 46.Kg2 Rf2 47.Kg1 Rf1 48.Kg2 R5f2 49.Kg3-+) 45.Ra6 Rb3 46.f3 b4 (46...h5!? 47.Raa8-+) 47.Ra4 Rc5 48.Rbb4 Rb4 49.Rb4 Ra5 50.Rb1 a2 51.Ra1 Kf6 52.Kf2 Kf5 53.Ke3 (53.Kg3 h6-+) 53...Ra3 54.Kd4 (54.Kf2 Kf4 55.Kg2 f5-+) 54...Kf4 55.Kc4 f5 56.Kb4 Ra8 57.Kb3 Kf3 58.Ra2 (58.Kc3-+) 58...Ra2 59.Ka2 Ke2 (better 59...Kg2!? 60.Kb3-+) 60.Kb2 f4 0–1. Bernat Mor,Juli (1710) – Ylla Soro,Rafael (1765), 18th Obert Internacional Foment Martine, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Bb5 Qg5-/+ 6.Bf1 Qd8 (6...Qe5!? 7.c3 Qe4 8.Ne2 Be7-/+) 7.c3 (7.Bb5!?=) 7...Be7+= 8.d4 d6 (8...d5 9.e5+=) 9.Bd3 Nc6 10.f4 (10.Nf3 Nf6+=) 10...Nf6 (10...d5 11.Nd2+=) 11.e5 Nd7 12.Qg4? (12.Ba3 Nb6+=) 12...g6?? (12...de5 13.Qg7 Bf6 14.Qh6 ed4 15.Ra3-+) 13.Ne2? (better is 13.Qe2!?+=) 13...de5-+ 14.0-0 (14.Be3 Nc5! 15.Bb5 h5-+) 14...Nf6 (14...ed4 15.cd4 Nf6 16.Qg3-+) 15.Qh3 (15.Qf3 ed4 16.Bb5 Qd5 17.Qd5 Nd5 18.cd4 Bd7-+) 15...ed4 16.f5 (16.cd4 Nd4 17.Be3 Nf3 18.Qf3 Qd3 19.Ra7 Ra7 20.Ba7 Qf3 21.Rf3 Bd7-+) 16...ef5 17.Bh6 (17.cd4 Nd4 18.Qe3 Nc6-+) 17...Ne5 (better is 17...dc3 18.Bc2 Nd4 19.Nd4 Qd4 20.Be3 Qg4 21.Qg4 Ng4 22.Ra7 Ne3 23.Ra8 0-0-+ (23...Nc2?! 24.Rc8 Bd8 25.Rc3-/+)) 18.Nd4 Neg4 (18...Nd3 19.Qd3 Ng4 20.Bf4-+) 19.Re1 Ne4! 20.Be4 fe4 21.Re4? (better is 21.Bg7 Nf6 22.Qe3-/+) 21...Nf6-+ (21...Nh6?! 22.Qh6 Be6 23.Nd2-/+) 22.Qe3 Ne4 23.Qe4 Be6! 24.Ne6 (24.Qb7 Bd5 25.Qb5 Qd7-+) 24...Qd1 25.Kf2 fe6 26.Qe6 Qd6 27.Qd6 Bd6 28.Nd2 Bc5 29.Kf3 0-0-0 30.Ne4 Bb6 31.h4 a6 32.Ra4 Kb8 33.Rb4 Ka7 34.c4 Rhe8 35.c5 Bc7 36.Be3 Ka8 37.c6 bc6 38.Nc5 Bd6 39.Rb6 Re3! (39...Re3 40.Ke3 Bc5 41.Ke2 Bb6-+) 0–1. Kilpatrick,Bill – Ciaffone,Robert, Las Vegas op, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.c3 Bc5 6.d4 Bb6 7.Ba3 d6 8.Nf3 Ne7 9.Bd3 0-0 10.0-0 Qc7 11.e5 de5 12.Bh7?? (better is 12.Ne5 Nbc6 13.Nc6 bc6 14.Qh5=) 12...Kh7-+ 13.Ng5 Kh6 14.Bc1 (14.Qg4 f5 15.Qh4 Kg6-/+) 14...Kg6 15.Qg4 Kf6?? (better is 15...f5 16.Qg3 f4-/+) 16.Nh7 (16.Ne4) 1–0. Shorman,Richard – Saitek Galileo, Hayward, level A1, June, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.c3 Bc5 6.d4 Bb6 7.Ba3 Ne7 8.Qg4 0-0 9.Bd3 f5 10.Qg5 d6 11.e5 Bc7 12.f4 Ng6 13.Qg3 Re8 14.Nf3 Nc6 15.Nbd2 Nf4 16.Qf4 de5 17.Qe3 ed4 18.cd4 e5 19.Bc4 Be6 20.Be6 Re6 21.Qb3 Qe8? 22.d5+- Na5 23.Qa2 Rg6 24.d6 Kh8 25.dc7 Rg2 26.Qd5 Nc6 27.0-0-0 Rc8 28.Bd6 e4 29.Ne5 Ne5 30.Be5 b5?! 31.Rhg1 Rg6 32.Rg6 hg6 33.Ne4! fe4 34.Qd8 (34.Qd8 Kh7 35.Qh4 Kg8 36.Rd8+- (36.Qe4?! Rc7 37.Kb2 Rf7+/-); 34.Qe4?! Rc7 35.Kb1 Re7+=) 1–0. Buryshin,V (1980) – Korzh,Ivan, ch–UKR b18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.c3 Bc5 6.d4 Bb6 7.Bd3 d6 8.Na3 e5 9.Ne2 Nf6 10.Nc4 Nc6 11.Ba3 Bc7 12.de5 (better is 12.d5!? Ne7 13.Qb3=) 12...de5+= 13.0-0 Ne7 14.f4 Ng4 15.fe5 0-0 (worse is 15...Be5 16.h3 (worse is 16.Ne5 Ne5 17.Bb5 Bd7+=) 16...b5 17.Ne5 Ne5 18.Bb5 Bd7 19.Bd7 Qd7 20.Nd4+=) 16.Nd4 Ne5 17.Ne5 Be5 18.Bc4 Qc7 19.Qb3 Bf6 20.e5 Be5 (20...Qe5? 21.Rae1 Qg5 22.Rf6 gf6 23.Be7+-) 21.Bf7 Kh8 22.Kh1 a6 23.Qb4 Bf6 (23...Bd4 24.Qe7 Qe7 25.Be7 Rf7 26.Rf7 Be6+=) 24.Bh5 (better is 24.Rf6 gf6 25.Bh5+/-) 24...Qe5 25.Bf3 Ng6 26.Rae1 Qg5?? (26...Qc7 27.Qc5 Qc5 28.Bc5+=) 27.Ne6?? (better is 27.Qf8 Nf8 28.Re8+-) 27...Be6= 28.Re6 Rae8 29.Re8 Re8 30.Qb7 Qb5 31.Qb5 ab5 32.Bc6 Rc8 33.Bb5 Rc3 34.Bb2 Rb3 ½–½. Chulivska,Vita (2255) – Gorbatenko,Kateryna (2085), Evpatoria tt U20 Girls, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.c3 Bc5 6.d4 Bb6 7.e5 Ne7 8.Qg4 Ng6 9.h4 d5? (better 9...f5 10.Qg3 0-0=) 10.h5+- Ne7 11.Qg7 Rg8 12.Qh7 Bd7? (12...Nd7+-) 13.h6 Kf8 14.Rh3 Nbc6 15.Rg3 Qc7 (15...Ng6 16.Bd3 Be8 17.Ba3 Nce7 18.Bg6 Bd4 19.cd4 Qa5 20.Nd2 Qa3 21.Raa3 Ng6+-) 16.Rg8 Ng8 17.Qg7 (17.Qg7 Ke8 18.Qg8 Ke7 19.Bg5 f6 20.Bf6) 1–0. juliangon (2690) – Troll (1815), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.c3 Bd6 6.d4 Ne7 7.e5 Bc7 8.Bd3 d6 9.f4 de5 10.fe5 (worse is 10.de5 Nbc6-/+) 10...Ng6 11.Nf3 Nc6 12.0-0 Qd7 13.Na3 Bd8 (13...f6!?=) 14.Nc4+= 0-0 15.h4 f5 (15...Nh4? 16.Nh4 Nd4 17.Ba3+- (17.cd4?! Qd4 18.Be3 Qh4+/-)) 16.ef6 Bf6?? (16...gf6 17.Qc2 Nh8 18.Ne3=) 17.Qc2?? (better is 17.Bg6 b5 18.Nb6 ab6 19.Bh7 Kh7 20.Ra8+-) 17...Nd4+/- 18.cd4 Bd4 19.Nd4 Qd4? 20.Be3+- Qh4 21.Rf8?? Nf8+/- 22.Bf2 Qg5?? 23.Nb6!+- Qf6 24.Ra2 ab6 25.Ra8 Bd7 26.Bh7 (26.Bh7 Kf7 27.Be4+-) 1–0. Gulke,Volker – Gors,Joachim, Schleswig Holstein–ch U18, 1989. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Nf3 Nf6 6.e5 Nd5 7.c3 Be7 8.d4 0-0 9.Bd3 f5 (9...Nc6 10.0-0=+) 10.ef6= Bf6 (10...Rf6 11.0-0=) 11.Qc2 (11.0-0 Nc6=) 11...g6 (11...h6 12.0-0=) 12.h4 Qe7 (12...Rf7 13.h5 g5 14.Nbd2+=) 13.Na3 (13.Nbd2 Nf4 14.h5+-) 13...Qg7?? (better 13...Nc6=) 14.h5+- g5 (14...Nc6 15.hg6 hg6 16.Bg6+-) 15.h6 Qe7 16.Rh5 (better 16.Nb5!? d6 17.Ba3+-) 16...Nf4+- 17.Bf4 gf4 18.Nb5 (better 18.Nc4 Nc6 19.Kf1+-) 18...Na6? (better 18...Nc6+=) 19.Qd2+- Qf7 (19...d5 20.Qf4 Bd7 21.Nd6+-) 20.Rh3 Be7 (better 20...Bd8+-) 21.Ra5?? (better 21.Ne5 Qf6 22.Qc2+-) 21...d6?? (better 21...Kh8 22.Ne5 Qf6+-) 22.Nd6+- Qf6 (22...Bd6 23.Rg5 Kh8+-) 23.Rg5 Qg5 (23...Kh8 24.Ne4 Qf7+-) 24.Ng5 Bg5 25.Rg3!! (25.Rg3 Rf6 26.Rg5 Kf8 27.Qe2 Rb8 28.Qe5 Rg6 29.Rf5 Kg8 30.Qh8 Kh8 31.Rf8 Rg8 32.Nf7) 1–0. Luna Hermoso,Angel (1975) – Sanchez Gomez,Emiliano (1745), 27th Torneo San Viator – Memorial Pepe, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    5.Nf3 Nf6 6.e5 Nd5 7.c3 Be7 8.d4 d6 9.c4 Nc7 10.Nc3 de5 11.Ne5 Nd7 12.Qg4 Ne5 13.de5 Bb4 14.Bd2 0-0 15.Rd1 Bc3 16.Bc3= Qe7 17.Bd3 Ne8 18.0-0 f6 19.Qh4+= g6 20.Be4 Rf7 21.ef6 Nf6 22.Be5 Ne4?? 23.Rd8+- (23.Rd8 Qd8 24.Qd8 Rf8 25.Qh4+-; 23.Qe4?! a5+=) 1–0. Pregelj,Maj (1735) – Nussbaumer,Laslo (1825), Mureck AUT, Youth Open U14–U18, 2011.

    5.Qg4 Qf6 6.Ra2 Qg6 7.Qf4 Nc6 8.Nf3 Nf6 9.Bd3 Qg4 10.Qe3 (10.Qg4 Ng4 11.Be2 d5 12.ed5 ed5-/+) 10...Qh5 (10...Qg2?! 11.Rg1 Qh3 12.Rg7+=) 11.0-0 Bc5 12.Qe1 Nb4 13.Ra3 Nd3 14.Rd3 b6 15.c4 (better is 15.e5!? Nd5 16.Rb3-/+) 15...Bb7 16.Nc3 0-0 17.Nd4 (17.Qe2-+) 17...Bd4 18.Rd4 Ng4 19.h3 Qe5 20.hg4 Qd4 21.Bb2 Qd3 22.Qa1 f6 (worse is 22...Qd2 23.Rd1 Qf4 24.Rd7-+) 23.f3 Qc4 24.Nd1 d5 25.g5 de4 26.gf6 gf6 27.Ne3 Qa6 28.Qe1 Qb5 29.Qg3 Qg5 (better is 29...Kh8!? 30.Ba3 Rf7 31.fe4 Be4 32.Qh4-+) 30.Ng4 f5?? (better is 30...Kh8 31.fe4 e5 (31...Qd2? 32.Bc3 Qc3 33.Qc3+-) 32.Rf6 Rf6 33.Be5 Raf8 (33...Qd2 34.Bf6 Kg8 35.Nh6 Kf8 36.Qg8) 34.Bf6 Rf6 35.Qb8 Kg7 36.Nf6 Qc5 37.Kh2 Kf6 38.Qb7 Qd6 39.Kh1 a5+=) 31.Nh6# 1–0. Gliksman,David N (2270) – Susnik,Matej (2255), SLO–ch Slovenia, 1991. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    5.Qg4 Qf6 6.c3 Nc6 7.Nf3 Ne5 (7...h5!? 8.Qg5 Be7=+) 8.Ne5= Qe5 9.d4 (better 9.Qf3=) 9...Qc7?? (better 9...Qd4! 10.Qf3 Qc5-/+) 10.Qg7+- (10.cb4 Qc1 11.Qd1 Qb2-/+) 10...Bc3 11.Kd1 (11.Nd2 Qf4 12.Qh8 Qe4 13.Kd1 Qg4 14.f3 Bd4 15.Qh7 Qg6 16.Qg6 fg6+-) 11...Ba1 12.Qh8 Ke7 (12...Bd4 13.Qd4 e5 14.Qc3+-) 13.Qg8 (better 13.Bg5 f6 14.Qg7 (14.Qg8?! fg5 15.Qh7 Kf8+=) 14...Kd6 15.Bf4 Kc6 16.d5 Kb6 17.Bc7 Kc7 18.Qg8+-) 13...Kd6 (13...Bd4 14.Bh6 Qd8 15.Bg5 f6 16.Qh7 Kd6+-) 14.Bf4 (14.Bf4 Kc6 15.Bc7 Kc7 16.Na3+-; 14.Qf8 Kc6 15.Qc5) 1–0. Schmitz,Karl_Heinz – Wuebker,Paul_Luca (1710), Dortmund Germany, Sparkassen Open–B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Qg4 Qf6 6.c3 Bd6 7.d4 Nh6 (7...Qg6 8.Qf3+=) 8.Qh3 (8.Qe2 Bf4 9.Ba3 Qg6+=) 8...e5 (8...Be7 9.Na3 Qg6 10.Qd3=) 9.d5 (9.f4 ed4 (worse is 9...ef4 10.e5 Be5 11.de5+/-) 10.Ne2 Bc5+=) 9...Bc5 10.Nf3 0-0 11.Bd3 d6 12.Qg3 Qg6 13.Na3 (13.Qg6!? fg6 14.h3=) 13...Qg3-/+ 14.hg3 Ng4 15.Rf1 (15.Ra2 Bd7-/+) 15...Nd7 16.Nb5 a6 17.Ng5 (17.Nh4 A) 17...ab5 18.Ra8 Nh2 19.Rh1+/- (19.Bb5?! Nf1 20.Bf1 Nb6=); B) 17...Nb6 18.Nc7 Rb8-+) 17...Ndf6 (better is 17...Rb8 18.Na3 b5-+) 18.Ke2?? Bd7 (better is 18...Nf2 19.Be3 Nd3 20.Kd3-+) 19.Na3 h6 20.Nh3 Nh5 21.Nc4 f5 22.Ba3 fe4 23.Be4 Bb5 24.Kd3 Ba3 25.Ra3 Ng3! 26.Bf3 e4! 27.Kd4 ef3 28.fg3 Bc4 29.Kc4 Ne3 30.Kd4 Nf1 (30...Nf1 31.Ra2 Ng3-+) 0–1. Andersen,Harry (1685) – Aamodt,Freddy (1730), Sarpsborg op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Qg4 Qf6 6.c3 Nh6 7.Qg3 Be7? (7...Bc5 8.d4 Bb6 9.e5+=) 8.d4?? (better is 8.Ra7! Ra7 9.Qb8+-) 8...Qg6 9.Qf3 f5 10.e5 Nc6 11.h3 0-0 12.Bd3 d6 13.Bf4 (better is 13.ed6!? Bd6 14.Bb5-/+) 13...de5-+ 14.de5 Bg5 15.g3 Bf4 16.gf4 Bd7 17.Qg3 Qe8 18.Ne2 a6 19.0-0 Rd8 20.Bc2 Kh8 21.Kh2 Ne7 22.Bb3 Qh5 23.Nd4 Nd5 24.Bd5+= ed5 25.e6 Rf6 26.ed7 Rg6 27.Qf3 Qh4 28.Nd2 Rd7 29.Rae1 Rd8 30.Re6 Rg4?? 31.Nf5!+- Nf5 32.Qg4 g6 33.Nf3 Qh6 34.Qf5! (34.Qf5 Qg7 35.Qg5+-) 1–0. Drewitz,Friedel (1795) – Weibrecht,Carl, Bad Woerishofen Seniors op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    5.Bb2 f6

    6.Na3 Nh6 7.Qh5 Nf7 8.f4 Nc6 9.Nf3 a6 10.g4 d5 11.e5 g6 12.Qh3 fe5 13.Ne5 Nfe5 14.fe5 Qg5 15.0-0-0 0-0 16.Be2 Rf2 17.Rhf1 (17.Rhe1 Qf4-+ (17...Ne5?! 18.Qg3 Qf4 19.Qf4 Rf4 20.Be5 Ba3 21.Kb1-+)) 17...Rf1 (better is 17...Re2 18.Qf3 Rd2 19.Qf7 Kh8 20.Rd2 Bd2 21.Kd1 Bb4 22.Qe8 Kg7 23.Qf7 Kh6-+) 18.Bf1 b5 (better is 18...Ne5!? 19.Be2-+) 19.Qg3 Be7 20.Be2 Bd7 21.Rf1 Rf8 22.Rf8 Bf8 23.h4 Qe7 24.Nb1 Qc5 25.Qf4 Qg1 26.Bd1 Nb4 27.d4 Qe1 28.Nc3 Qh4 29.Qf1 Nc6 30.Kb1 Qe7 31.Ne2 Nd8 32.Qe1 Nf7 33.Nc1 b4 34.Nd3 Bb5 35.Nc5 a5 36.Be2 Be8 37.Bc1 Nd8 38.g5 Nc6 39.Be3 Qf7 40.Bg4 Bc5 41.dc5 Ne5 (better is 41...Bd7!? 42.Bd2-+) 42.Be6 Qe6 43.Bd4 Bd7 44.Qe5 Qe5 45.Be5 h5 46.gh6 g5 47.Bf6 g4 48.Be5 Kh7 49.Bf4 d4 50.Kb2 a4 51.Kc1 Bc6 52.Kd2 a3 53.Kc1 d3! 54.cd3 b3 55.Kd2 b2 0–1. Zvan,Ziga (2235) – Mazi,Leon (2350), SLO–chT1 Bled, 2005. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    6.Ra4 Nc6 7.Bb5 Nge7 8.Qh5 Kf8 9.Nf3 Qe8 10.Qh4 Bd6 11.Bc6 Ng6-/+ 12.Qh5 bc6 13.Na3 Nf4 14.Qe8 Ke8 15.Nc4 Bc7 16.g3 Ng6 17.0-0 d5-+ 18.ed5 cd5 19.Na5 Bd7 20.Ra2 Kf7 21.Bd4 e5 22.Bc5 Rhc8 23.Rfa1 Bb6 24.Bb6 ab6 25.Nb3 Ra2 26.Ra2 Ne7 27.Ne1 Ke6 28.f3 Kd6 29.Kf2 Bc6 30.d4 Bb7 31.de5 fe5 32.f4 ef4 33.gf4 Rc4 34.Nd3 Nf5 35.Nd2 Rc7 36.Nf3 d4 37.Nfe5 Ne3 38.Nb4 g5! 39.Ned3 Rf7 40.Kg3 gf4 41.Nf4 Nf1 42.Kg4 Nh2 43.Kg5 Nf3 44.Kg4 Ne5 45.Kg3 Rg7 46.Kf2 Rf7 47.Kg3 Be4 48.Rb2 Rc7 49.Nfd3 Rg7 50.Kf2 Rg2 51.Kf1 Ng4 52.Rb3 Ne3 53.Ke1 Rg1 54.Kf2 Rf1 55.Kg3 Rf3 56.Kh2 Ng4 57.Kg1 Ne3 58.c3?? Rf1-+ 59.Kh2 Rh1 60.Kg3 Nf5 61.Kf2 Rh2 62.Ke1 Bd3 63.Nd3 Kc7 64.Nf2 Kc6 65.Rb4 Ne3 66.Ke2 Ng4 67.Kf3 Rf2 68.Kg4 dc3 69.Rc4 Kd5 70.Rc3 b5 0–1. Barahona Torrijos,A (1940) – Cao Armillas,J (2195), XXVI Open A, Collado Villalba ESP, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    6.Nc3 Nc6 7.Nh3 Nh6 8.Nf4 0-0 9.Bc4 Qc7 10.Nfd5 Qd6 (worse is 10...ed5 11.Nd5 Qd6 12.Nb4 Nf7 13.Nd5+/-) 11.Nb5 Qc5 12.Ne3 Qb6 13.0-0 a6 14.Nc3 Kh8 15.Qh5 Be7 16.Rfb1 Qc7 17.Be2 Ne5 18.Ba3 b5?? (18...Ba3 19.Ra3 Qd6 20.Rba1+=) 19.f4 (better is 19.Be7 Rf7 20.Nb5+-) 19...Ng6 20.Qf3 (better is 20.Be7!? Ne7 21.Nb5=) 20...Bb7 21.d3?? (better is 21.Be7!? Ne7 22.Qf2-/+) 21...f5 (better is 21...Qc3 22.Be7 Ne7 23.Qf2-+) 22.Qh5?? (22.Be7 Ne7 23.Ned1-+) 22...Nf4 23.Qh6 (23.Qf3 fe4 (23...Qc3?! 24.Be7 fe4 25.de4-+; worse is 23...Ne2 24.Ne2 fe4 25.Qh3 Ba3 26.Ra3-+) 24.Ne4 d5 25.Be7 de4 26.de4 Qe7-+) 23...Ne2 (better is 23...gh6 24.Be7 Qc3 25.Bf8 Rf8 26.Bf1 fe4 27.Re1-+) 24.Kh1 Bf6 (24...Bf6 25.Qh5 Nc3 (25...Qc3?! 26.Qe2 Rf7 27.ef5-+) 26.Bf8 Nb1 27.Bg7 Bg7 28.Rb1 Bd4-+) 0–1. Salmoiraghi,Angelo (2015) – Lyanguzov,Oleg (2355), Pardubice op–J, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 f6)

    6.Qg4 Qe7 7.Na3 Nh6 8.Qg3 Bd6 9.f4 Nc6 10.Nf3 Bb8 11.e5 fe5 12.fe5 Nf5 13.Qg4 b6 14.Nc4 Bb7 15.Ba3 Qf7 16.Bd3 b5 17.Nd6 Bd6 18.ed6 Qf6 19.0-0 h5 20.Qe4 Rb8 21.Qf4 (21.Bb5? Ncd4 22.Bd7 Kd8-+ (22...Kd7?! 23.Ne5 Kc8 24.Qe1-/+)) 21...0-0 22.Bb5 Qg6 23.Bd3 Ba8 24.Rf2 Rf6 (24...Qg4 25.Qg4 hg4 26.Ng5=) 25.Nh4 Nh4 26.Qh4 Qg4 27.Qg4 hg4 28.Bc5 a5 29.Be4 Ne5 30.Ba7 Rc8 31.Bd4 ½–½. Lutz,Klaus Juergen (2330) – Brueggemann,Joachim (2360), Oberliga Ost–B, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    6.Qh5 Kf8 7.Bc4 Qe8 8.Qe2 Qg6 9.Nf3 d5 10.Bd3 Qg2 11.Rg1 Qh3 12.Ra4 a5 13.c3 Bd7 14.cb4 (better is 14.Ra2!? Bc5 15.Ba3 Ba3 16.Na3-/+) 14...Ba4-+ 15.b5 Nd7 16.Rg3 Qh6 17.Nc3 Bb3 18.Nd4 de4 (better is 18...Ne5 19.Nb3 Qh2+=) 19.Qe4 Qh2 20.Qb7 Re8?? (better is 20...Rd8 21.Nb3 Ne7+/-) 21.Nb3 1–0. Eid,Fadi (2360) – Hakki,Imad (2455), Arab–chT Clubs, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    6.Qh5 g6 7.Qh4 Nc6 8.Nc3 Bc3 9.Bc3 e5 10.f4 Qe7 11.Bd3 Qg7 12.Ne2 Nh6 13.fe5 fe5 14.0-0 Nf7 15.Bc4 0-0 (better is 15...Rf8!?+=) 16.Rf2 d6 17.Raf1 Bd7 1–0. marekt – Haroldlee123, ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 f6)

    6.Qh5 g6 7.Qh4 Nc6 8.Nf3 Be7 9.Na3 d6 10.Qf4 e5 11.Qe3 f5 12.ef5 Bf5 13.d4 Nf6 14.de5 de5 15.Ne5 (15.Be5?? Ng4 16.Qc3 Nge5-+ (16...Nce5?! 17.Ne5 Bf6 18.Bb5 Kf8 19.f4-/+)) 15...Nd5 16.Nc6 Ne3 Attacks the pawn on c2 17.Nd8 Ba3 18.Bb5 Kd8 19.Bf6 Be7 20.Bh8 Nc2 21.Ke2 Na1 22.Ra1 Kc7 23.Bd4 Rd8 24.Rc1 Kb8 25.Be5 Bd6 26.Rd1 Kc7 (26...Be5?! 27.Rd8 Kc7 28.Rf8=) 27.Rc1 Kb6 28.Rd1 Be7 29.Rd8 Bd8 (worse is 29...Kb5 30.Rg8 Bc5 31.Rg7+=) 30.Bc4 Kc5 31.Bg8 h5 32.Ke3 a5 33.f3 b5 34.Bf4 b4 35.g4 (35.Be5 a4-+) 35...hg4 36.fg4 Bc2 0–1. Mehne,Claudius (2205) – Vasilev,Milen (2415), Verbandsliga Nord Baden, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    5.Bb2 Nf6

    6.c3 Be7 7.e5 Nd5 8.d4 0-0 9.Bd3 d6 10.Qc2 de5 11.Bh7 Kh8 12.de5 g6 13.Bg6 fg6 14.Qg6 Nf4 15.Qh6 Kg8 16.Nh3 Nd3 17.Ke2 Ne5 (17...Nb2?! 18.Qg6 Kh8 19.Qh6 Kg8 20.Qg6 Kh8 21.Qh6 Kg8=) 18.Rd1 Qe8 19.Nd2?? (better is 19.c4 Qg6 20.Qg6 Ng6 21.Ba3-+) 19…Ng4 (19...Ng4 20.Qf8 Bf8-+) 0–1. Schmitt,Larry – Stancil,Kimani A, Boylston CC–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6)

    6.Nc3 Nc6 7.Nb5 0-0 8.e5-/+ Nd5 9.c3 Be7 10.Nf3 f5 11.h4 Nc7 12.c4 Nb5 13.cb5 Nb4 14.Qb3 b6 15.Ra4 Nd5 16.Bc4 Bb7 17.h5 Qc7 18.Nh4 Nf4-/+ 19.Kf1 Rfc8 20.Nf5 Bf8 21.Ne3 Be7 22.Rh2 Rf8? 23.g3+- Nd5? 24.Nd5 ed5 25.Bd5 Kh8 26.h6 Bd5 27.hg7 Kg7 28.Rg4 Kh8 29.Qd5 Qc2 30.e6 (30.e6 Bf6 31.Bf6 Rf6 32.Qa8 Qc8 33.Qc8 Rf8 34.Qf8) 1–0. Pertuzatti,Daniel (2005) – Martins,Anderson Donay, Porto Alegre BRA, 2011.

    6.Bd3 Nc6 7.f4 0-0 8.Nf3 Qc7 9.e5 Nd5 10.Bh7 Kh7 11.Ng5 Kg6 12.Qg4 f6?? (better is 12...f5 13.Qg3 Qb6 14.Ne6 Kf7 15.Nf8 Bf8+=) 13.Ne6+- Kf7 14.Nc7 Nc7 15.f5 (better is 15.Qh5 g6 16.Qh7 Ke8 17.Qg6 Kd8 18.ef6 d6+-) 15...Ne5 (15...fe5 16.Be5! Bd2 17.Nd2 Ne5+-) 16.Be5 fe5 17.Qg6 (better is 17.Qb4 Ne8 18.Nc3+-) 17...Kg8 18.Ra4 Be7 19.Rg4 Bf6 20.Nc3 (20.Nc3 d5 21.Rf1+-) 1–0. Nasikan,Nikolai – Kurlovich,Alexander, Sakharov Memorial op 2nd, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6)

    6.e5 Ne4 7.Qg4 d5?? (better 7...Qb6 8.Nh3 Bf8=+) 8.ed6 f5 9.Qg7 Rf8 10.Nf3 Bd6 (10...Qd7 11.Bb5 Nc6 12.Qh6+-) 11.Bd3 (11.Qh7!? Nc6 12.Qh5 Kd7 13.Qh7 Ke8 14.Qg6 Rf7 15.Bb5+-) 11...Nc5 12.Bb5 Bd7 13.Na3 Qe7 14.Bd7 Nbd7 15.Nb5 Bb8 16.Qe7 Ke7 17.Ba3 (17.d4 Ne4 18.Ba3 Nd6+-) 17...a6 (17...e5 18.d4 ed4 19.0-0-0=) 18.Ke2 (18.d4 ab5 19.Bc5 Bd6 20.Bd6 Kd6 21.Ra8 Ra8+=) 18...Rc8 (better 18...e5!?=) 19.d4+- Kf6 (better 19...ab5!? 20.Bc5 Bd6 21.Bd6 Kd6 22.Ra8 Ra8+-) 20.dc5+- ab5? (better 20...Nc5 21.Bb2 e5+-) 21.Bb2 Be5 22.Ne5 Ne5 23.Ra8 Ra8 24.f4 1–0. Ayza Leon,David (2185) – Plamenov Ribarov,Petar (1985), 1st Torneig Obert d'Escacs, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6)

    6.e5 Ng8 7.Qg4 Bf8 8.Ba3 Nh6 9.Qa4 Ba3 10.Ra3 Nc6 11.Nf3 d5 12.Nc3 0-0 13.Qb3 a6 14.Na2 b5 15.Qc3 Bb7 16.d4 Qe7 17.Rb3 f6 18.Nb4 Na5 19.Rb1 Nc4 20.Nd3 Rac8 21.Qb3 Nf5 22.Be2 fe5 23.Nde5 Ne5 24.de5 d4 25.0-0 Rc3 26.Qa2 Rfc8 27.Rfc1 Kh8 28.Ne1 b4 29.Qa4 a5 30.Qa5 b3 31.Rb2? (better is 31.Bd3!?+=) 31...Qg5-+ 32.Qa1 Be4 33.f3?? (33.g3 Qd2 34.Ba6+=) 33...Qe3 34.Kf1 Bd5 0–1. Ojer Lora,Iker (2120) – Arjol Etxeverria,David (2070), Orvina–B, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6)

    6.e5 Ng8 7.Qg4+= Bf8 8.Na3 Ne7 9.Bd3 Nbc6 10.Nf3 Ng6 11.Nb5 Nb4 12.Qc4+- Nc6 13.h4 Be7? 14.h5 Nf8 15.Ba3 f6 16.Be7 Ke7 17.h6 a6 18.hg7 ab5 19.Ra8 (19.Ra8 bc4 20.gh8Q (20.gh8B?! Ne5 21.Ne5 cd3 22.Nd3 b6+=; 20.gh8R?! cd3 21.R1h7 Nh7 22.Rh7 Kf8 23.Rh8 Kf7 24.Rd8 dc2+-) 20...fe5 21.Ng5+-; 19.gf8Q?! Kf8 20.Qc3 b4+=; 19.gf8B?! Kf8 20.Qc3 b4+/-) 1–0. Skorna,Ullrich (2350) – Langschmidt,Dirk (2015), RS–Pyramide remoteschach.de, 2008.

    6.e5 Ng8 7.Qg4 Bf8 8.Na3 h5 9.Qg3 h4 10.Qf4 Nc6 11.Nf3 Ba3 (11...Nge7!?+=) 12.Ra3 Rh5 13.Bd3 Nh6 14.g4 (14.h3 b6+=) 14...hg3= 15.Qg3 (worse is 15.fg3 g5 16.Qf6 Qf6 17.ef6 g4-/+) 15...g5 16.h4 g4 17.Ng5 Qc7 18.f3 f5 19.Qf4 (19.Nh7 Ng8 20.fg4 Rh7 21.gf5 Nce7+/-) 19...Ne7 20.fg4 Ng4 (20...fg4?? 21.Qf6 Qc6 22.Rf1+-) 21.c4 (21.Ne4 A) worse is 21...fe4 22.Qg4 Re5 23.Be5 Qe5 24.Qe4 (24.Be4?! d5+=) 24...Qe4 25.Be4+/-; B) 21...Nd5 22.Qf3 Nb4 (worse is 22...fe4 23.Qg4 Rh8 24.Be4+-) 23.Nd6 Kd8=) 21...Qb6 (21...Qc6 22.Rf1+=) 22.Bc3 Qc5 23.Rb3 (23.Ra5 Qc6 24.Ne4 Ng6= (worse is 24...fe4 25.Qg4 ed3 26.Qh5 Kd8 27.Rh3+/-)) 23...a5 (23...Nd5 24.cd5 Qd5 25.Rg1 Qb3 26.Rg4+/-) 24.Bd4 (24.Ne4 Qc6 25.Nd6 Kd8=) 24...Qc6+= 25.Qf3?? Qf3 26.Nf3+= Nc6 27.Bc3 Kd8 28.Rb5 b6 29.Rb6+= Kc7 30.Rb3 Bb7 31.Rg1 Nb4 32.Bb4? ab4-+ 33.Nd4 Bc6 34.Nc6-/+ dc6 35.c5 Ra3 36.Ra3 ba3 37.Bc4 Kd7 38.d4 Rh4-+ 39.Rg3 Rh1 40.Ke2 a2! 41.Ba2 Rh2 42.Kf3 Rf2 0–1. Paprocka,Renata – Alvarado,Carlos, Miedzynarodowy Festiwal Szachowy Poland, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6)

    6.e5 Ng8 7.Qg4 Bf8 8.Na3 Nh6 9.Qe4 Nc6 10.Nf3 Be7 11.Nb5 f5 12.ef6 Bf6 (12...gf6? 13.Qf4 Nf5 14.Nc7 Qc7 15.Qc7+-) 13.Nd6 Kf8 14.Ba3 Ne7 15.Rb1 (worse is 15.Nc8 Qc8 16.c3 d5+=) 15...Qc7 16.g4 (worse is 16.Nb7 d5 17.Qb4 Rb8-/+; 16.Nc8?! Qc8 17.Rb7 d5+=) 16...Qa5 17.Bb4 Qa2 18.c3 Qd5 (18...a5 19.Bc5 Nf7 20.Nf7 Kf7+-) 19.g5!+- Nhf5 (19...Bg5 20.Qd5) 20.gf6 gf6 21.Qd5 Nd5 (21...ed5?? 22.Nf5 d6 23.Nd6+-) 22.Nc8 Nb4 23.Rb4 (23.cb4?! Rc8 24.b5 d5+/-) 23...Rc8 24.Rb7 1–0. Vermeulen,Wesley – Schilt,Kees Jan, Utrecht OKU op, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6)

    6.f3 0-0 7.Nc3 d5 8.Bd3 Nc6 9.Nge2 a6 10.ed5 Nd5 11.Nd5 ed5 12.0-0 Bd6 13.Kh1 Nb4 14.Nc1 Qh4 (worse is 14...Nd3 15.Nd3 Bf5 16.f4-+) 15.g3 Bg3 16.Qe2 Bf4 17.Rg1 f6 18.Qg2 g6 (better is 18...Qh6-+) 19.Bf1?? (better is 19.Bg6 Qh2! 20.Qh2 Bh2 21.Kh2 hg6 22.Rg6 Kh7 23.Rg3-+) 19...Nc2-+ 20.Ba3 (20.Ra4 Bf5 21.Rf4 Qf4-+) 20…Ne1 (20...Ne1 21.Qe2 Bf5 22.Bf8 Re8-+) 0–1. Czajkowski,Mateusz (1685) – Mazalon,Mateusz (1725), XXVI Turniej Szachowy Juniorow Poland, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6)

    6.e5 Nd5

    7.Ra3? Ba3 8.Ba3 Nc6 9.Nf3 f5 (9...f6 10.Bd6-+) 10.h4? (10.Bd6 Qa5 11.c4 Nde7-/+) 10...Nde7 (10...Qa5!? 11.Bd6 b5 12.c4 bc4 13.Bc4-+) 11.Nc3 (11.Bd6 a6-/+) 11...0-0 (11...Qa5 12.Bd6-/+) 12.h5 h6 13.Bd6 (13.Nb5 a6 14.Nd6 b5-/+) 13...b6 14.d4 (14.Be2 Bb7-/+) 14...Bb7 15.Nb5 (15.Bb5 Rc8-+) 15...a6-/+ 16.Nc7 Ra7 (16...Rc8 17.Na6 Rf7 18.Qb1-+) 17.d5 Na5 18.c4 Bc8 19.Bb4 (19.Qd4 Rc7 20.Bc7 Qc7 21.d6-+) 19...Nac6-+ 20.dc6 Rc7 21.Bd6 dc6 (21...Nc6 22.Bf8 Qf8 23.Qd6 Qd6 24.ed6-+) 22.Bc7 Qc7 23.Qd6 Qd7 24.Rh4 (24.Qb4 Rd8 25.Be2 Qc7-+) 24...Rd8 25.Rd4 (25.Qd7 Bd7 26.c5 b5-+) 25...c5 26.Rd2 (26.Qd7 Bd7 27.Rd6 Nc6-+) 26...Nc6 27.Qc6 (27.Qd7 Bd7 28.Rd6-+) 27...Qc6 28.Rd8 Kf7 29.Bd3 (29.Be2 Qc7 30.Rd6 a5-+) 29...Bd7 30.Kd2 (30.Be2 b5 31.Kf1 b4-+) 30...Qc7 31.Rh8 Be8 (better 31...b5 32.cb5 ab5 33.Kd1-+) 32.Nh4 (32.g4 Qd7 33.Ke2-+) 32...Ke7 33.f4 (33.Ng6 Bg6 34.hg6 Qe5-+) 33...Bh5 34.Ra8 (34.Nf3 b5! 35.Ke2 Qa5-+) 34...g5 35.Nf3 (35.fg5 Qe5 36.Nf3 Qb2 37.Bc2 hg5 38.Ra7 Kf6-+) 35...Bf3 36.gf3 gf4 37.Ra6 Qe5 38.Rb6 (38.Be2 Qb2 39.Ke1 e5 40.Ra7 Kf6-+) 38...Qe3 39.Kc2 Qf3 40.Rb5 (40.Rb2 h5 41.Rb1 h4-+) 40...h5 41.Rb8 (41.Rb1-+) 41...h4 42.Rh8 h3 43.Kd2 Qg2 (43...Qg2 44.Ke1 h2-+) 0–1. Myint Han – Pantsulaia,Levan, 42nd World Chess Olympiad – Baku – Men, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.Ra3 Ba3 8.Ba3 Ne7 9.Qg4 0-0 10.Nf3 d5 (10...Nbc6-/+) 11.d4? (better 11.ed6!? Nd5 12.Bd3=+) 11...b6 (11...f5 12.Qh4 Nbc6 13.Bd3-+) 12.Bd3 (better 12.Nbd2-+) 12...Ng6?? (12...h6!? 13.0-0-+) 13.c3? (13.Ng5 f5 14.ef6 Rf6 15.Qh5+=) 13...Ba6?? (13...f5 14.Qg3 Ne7-+) 14.Bc2?? (better 14.Bg6 fg6 15.Bf8+=) 14...Re8 (14...f5 15.Qg3-+) 15.h4? (better 15.Ng5 Nd7 16.Qh5=+) 15...Qd7?? (better 15...f5 16.Qg3 Ne7-+) 16.h5+= Qb5 (16...Ne7 17.h6 g6 18.Qh4+=) 17.Ng5 Nf8? (17...Nf4 18.Bh7 Kh8 19.Bg6 Qe2 20.Qe2 Be2 21.Bf7+-) 18.Bf8?? (better 18.h6 g6 19.Qf3 Qe2 20.Qe2 Be2 21.Ke2+-) 18...Kf8= (18...Rf8 19.Nh7 Nc6 20.h6+-) 19.Qf3 Re7 20.h6 gh6 21.Rh6 Ke8 22.Rh7 f7 seems the pivot of the position 22...Kd7 23.Rf7 Nc6 24.Ne6 Rf7? (better 24...Rae8 25.Na3 Qa5 26.Re7 Re7=) 25.Qf7+- Ne7 26.Nf4 Qf1 (26...Rh8 27.Kd2 Kd8 28.Qf6+-) 27.Kd2 Qf2 28.Kc1 Rh8 29.Bf5 (better 29.Qe6!? Kd8 30.Qd6 (30.Nd5?! Nd5 31.Qd5 Kc7+=) 30...Ke8 31.e6 Rh1 32.Kb2+-) 29...Kd8 30.Bh3 Qf1 31.Kb2 Qb5 (better 31...Bd3!? 32.Na3 Qf2 33.Kb3 Bc4 34.Nc4 dc4 35.Ka3 Qc2 36.Ne6 Kc8 37.Nf8 Kd8 38.Ne6 Kc8 39.Nf8 Kd8 40.Ne6=) 32.Kc2+- Qa4 (32...Bc8 33.Qf6 Rh3 34.Qf8 Qe8 35.Qe8 Ke8 36.gh3+-) 33.Kc1 Rh3? (better 33...Bc8 34.Qf6 Rh3 35.Qf8 Qe8 36.Qe8 Ke8 37.gh3 Bf5+-) 34.gh3+- (34.Nh3?! Bd3 35.Qf8 Qe8 36.Qe8 Ke8+-) 34...Bc8 (34...Qd7 35.Qf8 Kc7 36.h4+-) 35.Nd5 Nd5 36.Qd5 Qd7 (36...Kc7 37.Qf7 Kd8 38.Qf6 Kc7 39.e6+-) 37.Qd7 Kd7 (37...Bd7 38.h4+-) 38.h4 Ke6 39.Kd2 (39.Na3 Bb7+-) 39...Kf5 (39...b5 40.c4! b4 41.Kc2+-) 40.Ke3 (better 40.Na3 Bd7 41.Nc4+-) 40...Kg4?? (40...Be6+-) 41.d5 Kh4 (41...a6+-) 42.Kf4 Bb7 43.c4 b5 44.e6 Bc8 45.cb5 Kh5 46.Kf5 (46.Kf5 Kh4 47.d6 Kg3 48.d7 Bb7 49.d8Q Bg2 50.e7 a5 51.e8Q Bh3 52.Kg6 Bf5 53.Kf5 a4 54.Qe3 Kh2 55.Qdg5 a3 56.Qgg1) 1–0. Pavlov,Mikhail (1805) – Solovjov,P (2040), 26th Feffernitz Open, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.Ra3? Ba3 8.Na3 0-0-+.

    7.Ra3? Nc6 8.c4 Nf4 9.g3-+.

    7.Ra4 Be7 8.Na3 f6 9.Qh5 g6 10.Qh6 Bf8 11.Qh3 d6 12.Bb5 Nc6 13.ef6 Nf6 14.Ne2 e5 15.Qf3 Be7 16.Qb3 Bd7 17.f4 Ne4?? 18.Re4+- 1–0. Jensen,Mo (2050) – Moustgaard,Alvin, 29th Politiken Cup, Copenhagen DEN, 2007.

    7.c3 Be7 8.d4 0-0 9.Nd2 d6 10.c4 Nb6 (better is 10...Nb4-/+) 11.ed6= Bf6 12.Ngf3 Bd7 (12...Qd6? 13.c5 Qd8 14.cb6 Qb6 15.Qb1+-) 13.Bd3 Nc6 14.Qc2 g6 15.Ne4 Nb4 16.Qd2 a5 17.0-0 Na4 18.Rfb1 Nb2 19.Rb2 Bg7 20.h3 Bc6 21.c5 f5 22.Neg5 Re8 (better is 22...Bd5!? 23.Re1 Qf6=) 23.Bc4+= Bd5 24.Bd5 ed5 25.h4 (25.Ne5 Bh6 26.f4 Bg5 27.fg5 b6+/-) 25...Bh6 (25...b6!? 26.cb6 Qd6=) 26.Re1 Re1 27.Qe1 Bg5 28.Qe6 Kh8 29.Ng5 Qe8?? (29...Qf8 30.d7 h6 31.Qe5 Kg8 32.Rb4 ab4 33.Qd5 Kh8 34.Nf7 Kg7+-) 30.d7 Qg8 1–0. Sanchez Gutierrez – Arroitajauregi Lekunberri, Euskadi–ch U16, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.c4 Nf6?? 8.ef6+- (8.ef6 gf6 9.Nc3+-) 1–0. Skorna,Ullrich (2195) – Erbe,Uwe (2240), AR–2004–F–00003, 2005. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.Nf3 Nc6 8.Bb5 0-0 9.0-0 b6 10.c4 Nf4 11.d4 f6 12.Ra4 a5 13.Bc3 Bb7 14.Bb4 Nb4 15.Ra3 fe5 16.de5 Qe8 17.Ne1 Qe7 18.Rg3 Rad8 19.Nc3 d6 20.ed6 Rd6 21.Qb1 Rd2 22.Kh1 Nh5 23.Rf3 Rf3 24.Nf3 Bf3 25.gf3 Nd3 26.Ne4 Nhf4 27.Qa1 Rb2 28.Rd1 Qh4 29.Rd3 Nd3 30.Qf1 Nf2 31.Nf2 Rf2 32.Qg1 Rf3 33.Bc6 Qh3 34.Bf3 Qf3 35.Qg2 Qg2 36.Kg2 a4 37.Kf3 a3 38.Ke4 a2 39.Ke5 g5 40.Ke6 g4 41.Kf5 h5 42.Kg5 Kg7 43.Kh5 g3! 44.hg3 Kf6 45.Kg4 a1Q 46.Kf3 Qf1 47.Ke3 Qc4 48.g4 Ke5 49.g5 Qe4 50.Kd2 Kd4 51.g6 Qg2 52.Kc1 Kc3 (52...Kc3 53.g7 Qc2) 0–1. Lo Conte,Vittorio (1975) – Lo,Angus (1930), IECG, 2008.

    7.Nf3 Nc6 8.c4 Nde7 9.Be2 b6 10.0-0 0-0 11.Na3 Ng6 12.d4 Nf4 13.d5 Na5 14.d6 Ba3 15.Ra3 Bb7 16.Bc1 Ne2 17.Qe2 Rc8 18.Ng5? h6 19.Rg3 f6 20.Nh3 Nc4 21.Bh6 Rf7 22.Nf4 Rc5 23.Bg7 Rg7 24.Rg7 Kg7 25.Qg4 Kh8 26.Qh5 Kg8 27.Qg6 Kh8 28.Qh6+- Kg8 29.Ng6 (29.Ng6 fe5 30.Ne7 Qe7 31.de7+-; 29.Nh5 Qf8 30.Nf6 Qf6 31.ef6 Rg5 32.Qg5 Kf7 33.Qg7 Ke8 34.Qe7) 1–0. Nikzaban,E (2065) – Wang Li (2405), 10th Open, Dubai UAE, 2008.

    7.Qg4 Bf8 8.Ba3 Qa5 9.Nf3 Nc6 10.Bd3 f5 11.ef6 Nf6 (worse is 11...gf6 12.Qh5 Kd8 13.Be7 Be7 14.Ra5 Na5 15.Nc3+-) 12.Qg3 Nh5 13.Qg4 Nf6 14.Qg3 Nh5 15.Qg4 Nf6 16.Qg3 ½–½. Mostertman,Johan – Klinkhammer,Johan (2010), Groningen Harmonie op–B, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.Qg4 Bf8 8.Na3 d6 9.Nb5 de5 10.Nf3 Nc6 11.Ne5 Ne5 12.Be5 Bd7 13.Nd6? (better is 13.Ra7!? Ra7 14.Na7+=) 13...Bd6-/+ 14.Bd6 Qf6 15.Qd1 Ne7 16.Qb1 0-0 17.Be7 Qe7 18.Qb7 Qc5 19.Qb1 Bc6 20.Qd1?? (better is 20.f3-/+) 20...Qe5-+ 21.Be2 Bg2 22.d4 (22.Rg1 Qh2 23.Rg2 Qg2 24.Bf3 Qg1 25.Ke2 Qd1 26.Kd1-+) 22...Qc7 23.Rg1 Qc3 (23...Qc3 24.Qd2 Qa1 25.Qd1 Qd1 26.Kd1 Bc6-+) 0–1. Martin Mazuelo,Miguel Angel (1980) – Suarez Uriel,Adrian (2160), Madrid–ch sf–B, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.Qg4 Bf8 8.Na3 f5 9.ef6 Nf6 10.Qg3 Nc6 11.Nb5 d6 12.Nh3 a6 13.Be2 e5 14.Ng5 Rb8 15.Qb3 Qd7 16.d4 ab5 17.d5 h6 18.Ne6 Nd5! 19.Bh5? (19.Qd5 Nb4) 19...Ke7-+ 20.Qd5 (20.Nf8 Rf8 (20...Kf8?! 21.Qd5 Qe6 22.Qb5+=) 21.Qd5 Qf5-+) 20...Qe6 21.Qb5 Bd7 22.Qb6 g6 23.Bf3 Bg7 24.Rd1 Nd4 25.Rd4 (25.Bd4 ed4 26.Kd2 Qc4 27.Rde1 Be5-+) 25...ed4 26.Kd1 Rhc8 27.Re1 Be5 28.h3 (28.Re2 Bc6 29.Bd4 Bf3 30.gf3 Qd5-+) 28...Qc4 (28...Ba4 29.Bd4 Rc2 30.Re5 de5 31.Qb4 Qd6 32.Qd6 Kd6 33.Be3-+) 29.Re5 (29.Qb3 Qb3 30.cb3 Be6-+) 29...de5 30.Qg6 Qf1 31.Kd2 Qf2 32.Kd1 Qc2! 33.Qc2 Rc2 34.Ba3 Kf6 (34...Kf6 35.Kc2 Bc6-+) 0–1. Orfali (2095) – Garcia Moral Garcia (2260), Benidorm op U2300, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    7.Qg4 Bf8 8.Na3 f5 9.ef6 Nf6 10.Qg3 Nc6 11.Bd3 Nb4 12.Be2 d5 13.Nh3 Qd7 14.0-0 Bd6 15.f4 0-0 16.d3 Qc7 17.c4 Qb6 18.Kh1 Bd7 19.Ng5 h6-/+ 20.Nf3 Qe3 21.Ne5 Qe2-+ 22.Rf2 Nh5 23.Re2 Ng3 24.hg3 Be5 25.Be5 Nd3 26.Bd6 Rfc8 27.f5?! dc4 28.fe6 Be8 29.Rb1 Rc6 30.Be7 b6 31.Rd1 Bh5 (31...Bh5 32.g4 Bg4 33.Rd3 cd3-+) 0–1. Buergi,O (2170) – Siebrecht,S (2435), 23rd Liechtenstein Open, 2005.

    7.c4 Nb6

    8.Ra3? Nc6 9.Rg3-/+ g6 10.h4 h5 11.Nc3 a6 (better is 11...d5!? 12.cd5 ed5-/+ (12...Ne5 13.Na2 Bd6 14.f4+=)) 12.Ne4= Be7 13.Bd3 a5 (better is 13...Nb4!? 14.Be2 Rf8=) 14.Nd6+= Bd6 15.ed6 e5 16.Rg6 (16.Nf3 Qf6 17.Ne5 Ne5 18.Be5+-) 16...Nb4= (16...fg6 17.Bg6 Kf8 18.Qf3 Kg7 19.Qf7 Kh6 20.Be4 Qg5 21.hg5 Kg5 22.Nf3 Kh6 23.Rh5) 17.Bb1 Kf8 (17...Nc4 18.Qe2 Nc6 19.Qc4+-) 18.Qf3 (18.Be5!? Qe8 19.Rg5 Nc4 20.Qe2 Ne5 21.Re5+/- (worse is 21.Qe5 Qe5 22.Re5 Nc6+=)) 18...Nc4= 19.Rf6 Qe8 (19...Nb2 20.Rf7 Kg8 21.Re7 Qe7 22.de7+-) 20.Bg6 Nb2?? (20...Nc2 21.Kd1 Nd6 22.Rd6 Nd4 23.Bd4 ed4+-) 21.Rf7 Kg8 22.Qf6 Nc2 23.Kf1 (23.Kf1 Ne3 24.de3 Qf7 25.Qf7) 1–0. Gora,Jan (2000) – Lis,Mateusz (1680), Cracovia Poland, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    8.Ra3 Nc6 9.Qg4 g6 (9...Ba3 10.Qg7 Bf8 11.Qh8 Nc4 12.Bc4+=) 10.Rh3 (10.Ra1 d6-/+) 10...Na4 (10...d5 11.Rf3-/+) 11.Ba1 Qa5 12.Qd1 0-0 (worse is 12...Ne5 13.f4 d6 14.fe5 de5 15.Qf3+=) 13.f4 d5 14.Nf3 (14.Nc3 Nb6-+) 14...Be7 (14...dc4!? 15.Ng5 h5 16.Ne4-+) 15.Be2 dc4 16.0-0 (16.Bc4!? Qb4 17.Be2-/+) 16...b5 17.Qe1 (17.Ng5 Nb6 18.Nc3 Bg5 19.fg5 Ne5-+) 17...b4 18.Kh1 (18.Qg3 Nb6 19.Nc3 bc3 20.Bc3 Qd5-+) 18...Nb6 19.Bb2 Qa2 20.Bd4 Nd4 21.Nd4 Bb7 22.f5 Qb2 23.Nc3 ef5 24.Nf5 Bg5 25.Ne3 bc3 26.dc3 Rae8 27.Ng4 f5 28.Nh6 Bh6 29.Rh6 Re5 (29...Re5 30.Qg3 Qe2-+) 0–1. Buecker,S (2355) – Ballon,G (2165), 26th ChessOrg Schachfestival, Bad Woeri, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Ra3 Qc7 9.Rb3 Na6 (worse is 9...Nc4 10.Qc2 d5 11.Bc4+/-) 10.Qg4 Bf8 11.Na3 Nc5 12.Nb5 Qc6 13.Rf3 Ne4? (better is 13...h6=) 14.Ne2?? (better is 14.Nd4 Nf2 15.Rf2+-) 14...Nd2!-+ (14...Nc4 15.Ned4 Qc5 16.Bc4+-; 14...Qc4 15.Nec3 f5 16.ef6 Nf6 A) worse is 17.Bc4 Ng4 18.Nc7 Kd8 19.Na8 Nc4-/+ (worse is 19...Na8 20.Ne4+=); B) 17.Qc4 Nc4 18.Bc4+/-) 15.Rf4 (15.Kd2 Nc4 Double attack) 15...Ndc4 16.Ned4 Bb4 (16...Qc5 17.Ne6 de6 18.Rc4 Nc4 19.Qc4 Qc4 20.Bc4-+) 17.Bc3? (better is 17.Ke2 Qc5 18.Qg7-+) 17...Bc3 (17...Ne5? 18.Nc6 Bc3 19.Kd1 bc6 20.Qg7 cb5 21.Qh8 Ke7 22.Qh7+-) 18.Nc3 Qc5 (18...Ne5!? 19.Qg3 Qc5 20.Nb3-+) 19.Ndb5 Ne5 (19...0-0 20.Bc4 a6-+ (20...Qe5?! 21.Be2-/+; 20...Nc4?! 21.Rc4 Qe5 22.Re4+=)) 20.Qg7-/+ Rf8 21.Rd4 d5?? (better is 21...Ke7 22.Qh7 d5-+) 22.Qe5+/- Kd7? (22...Kd8 23.Ne4 Qe7 24.Nf6+/-) 23.Be2 a6 24.Ne4 Qc6 25.0-0 ab5?? 26.Bb5! Qb5 27.Qd6 (27.Qd6 Ke8 28.Nf6) 1–0. Orfali,Marcelo Rafael (2040) – Romero Jaime,Pedro (1740), Madrid Codes Memorial 3rd, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    8.Ra3 d5 9.ed6 Qd6 10.Rg3= Rg8 11.Bg7?? Rg7!-+ 12.Nf3 Rg6 13.Qc2 Nc6 14.Bd3 f5 15.Nc3 a6 0–1. Kurukin,D (2200) – Babayan,A (2045), Open A, Vladimir RUS, 2008.

    8.Ra3 d5 9.Rg3 g6 10.h4 (10.Ba3 Ba5 11.Bd6 Bd7+=) 10...h5 11.Nf3 Nc4 12.Bc4 dc4 13.Nc3 Bc3 14.Bc3 Nc6 15.Ng5 Qc7 16.Ne4 Qe7 (16...Ne5 17.Qa1 Nd3 18.Rd3 cd3 19.Ba5+-) 17.Rf3 (17.Nd6 Kf8=) 17...Kd8 (17...0-0 18.g4 b5 19.gh5-/+) 18.Bb2 a5 19.Nd6 f5 20.Nc4 b5 21.Nd6 Bd7 22.Qc2 Kc7 (22...Rb8!?+=) 23.Bd4 Rhb8 24.Bc5 Qg7 25.Nc4 0–1. Strand,Haakon (2015) – Millward,Richard (2140), Gibraltar Challengers Week2, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    8.Na3 0-0 9.Nc2 Be7 10.d4 (10.Nf3 Nc6+=) 10...f6 11.Nf3 Nc6 (11...Qc7!? 12.ef6 Rf6=) 12.d5= Ne5 13.d6 Nec4 (13...Bd6 14.Qd6 Nbc4 15.Qd4=) 14.de7 Qe7 15.Ba3 (15.Bc3!?=) 15...Na3+= 16.Ra3 (16.Na3 d5+=) 16...d5-/+ 17.Qa1 (17.Be2 e5-/+) 17...a6 (17...e5 18.Ra7 Be6 19.Ra8 Ra8 20.Qc3-+) 18.Be2 (18.Qd4 Qd6 19.Rb3 Nd7-/+) 18...e5-/+ 19.0-0 Be6 20.Rb1 Rac8 (20...Nc4 21.Ra4 Nd6-/+) 21.Nfe1?? (better is 21.Ncd4 Nc4 22.Bc4 Rc4 23.Ne6 Qe6 24.Rb7=) 21...Nc4-/+ 22.Bc4 dc4 23.Ne3 Rfd8 24.Nf3 e4 25.Nd4? Rd4! 26.Qd4 Qa3 27.Rb7 Qc1 28.Nf1 Qg5 29.Ne3? c3 30.Rc7 Rc7 31.Qd8 Kf7 32.Qc7 Kg6 33.Qc3 Qb5 34.h4 a5 35.g4 a4 36.Qd4 Qc6 37.Qd8 Qd7 38.Qf8 Bg4 39.Ng2 Bf3 40.Ne3 Qc6 41.Kh2 Qe6 42.Qa8 Qd7 43.Qf8 h6 44.Qg8 Qd6 45.Kh3 Qd7 46.Kh2 a3 47.Nd5 Qd6 48.Kh3 a2 49.Qe8 Kh7 50.Ne7 Qe6 51.Kh2 Qe5 52.Kh3 Qe7! 53.Qe7 a1Q 54.h5 Qg1 55.Qe6 Qg2 56.Kh4 Qg5 57.Kh3 Qh5 58.Kg3 Qg5 59.Kh3 f5 (59...f5 60.Qf5 Qf5 61.Kh2 Qg5 62.Kh3 Kg6 63.Kh2 Qg2#; 59...Qg2 60.Kh4 g5) 0–1. Prus,Marek (1735) – Antokolski,Michal (1740), 101st YMCA Winter C, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Qc2 0-0 +=.

    8.Nc3 Nc6 9.d4 d6 10.Qg4 0-0 11.Bd3? (better is 11.Nf3-/+) 11...de5-+ 12.Qh3 f5 13.de5 Ne5 14.Rd1 Qc7 15.Kf1 Nec4 16.Nb5 (16.Ba1-+) 16...Qc5 (16...Nb2?! 17.Nc7 Nd1 18.Qf3+=) 17.Bc4 (17.Bd4 Qb5 18.Nf3 Bc5-+) 17...Nc4 18.Bd4 (18.Bc3 Qb5 19.Ne2 e5-+) 18...Qb5 19.Ne2 e5 20.Ba1 (20.Bc3 f4 21.Qh5 Bc3 22.Nc3 Ne3 23.Kg1 Qc6 24.fe3 Qc3-+) 20...Nd2 21.Kg1 (21.Ke1 f4 22.Nc3-+) 21…Qe2 (21...Qe2 22.Rc1 Bc5-+) 0–1. Howell,Oliver W – Halamicek,Radek, Malenovice CZE, EU Youth Ch U10, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    8.Qg4 0-0 9.Nf3 Qc7 10.Bd3 h6 11.Qe4 g6 12.Nh4 Na6 (better is 12...Qc6 13.Qf4 g5=) 13.Ng6!+- f5?? (13...fg6 14.Qg6 Mate attack) 14.ef6 Nc5 (14...e5 15.Ne7 Kf7+-) 15.Ne7 Kf7 (15...Kh8 16.Qh7) 16.Qg6 1–0. Bomans,Arno (1820) – Cant,Gert, Gent VSF–chB, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    8.Qg4 0-0 9.Bd3 Nc6 10.Nf3 Be7 (10...g6 11.h4 d5 12.0-0=+) 11.h4 (better 11.Qe4 g6 12.Nc3=+) 11...f5?? (11...Nb4 12.Bh7 Kh7 13.Qh5 Kg8 14.Ng5 Bg5 15.hg5 f5 16.g6 Qh4 17.Qh4 Nc2 18.Ke2 Nd4 19.Bd4 Nc4 20.Qh7) 12.ef6+- Bf6 (12...Rf6 13.Bh7! Kf8 14.h5+-) 13.Bh7 Kf7 14.Nc3 (14.Ng5!? Ke7 15.Ba3 d6+-) 14...Rh8 15.Ng5 Kf8 16.Ba3 d6 17.Qh5 (better 17.c5!? Ne5 18.Ne6 Be6 19.Qe6+=) 17...Bg5 18.hg5 Nc4 (18...Nd4 19.Nb5 Nb5 20.cb5+-) 19.Rh4 N6e5 (19...Na3 20.Rf4 (20.Ra3?! Ke7=) 20...Qf6 21.gf6 Nc2 22.Kf1 Ne5 23.fg7 Ke7 24.gh8Q Ne3 25.fe3 Kd7 26.Qg7 Kc6 27.Rc4 Nc4 28.Qb5) 20.Rf4?? (better 20.d4 Rh7 21.Qh7 Qg5 22.Ne4 Nd3 23.Ke2 Nf4 24.Kd1+-) 20...Ke7=+ 21.Kf1 Na3 22.Ra3 Qe8 (better 22...Qb6 23.g6 Bd7 24.Qg5 Ke8=+) 23.g6+= Kd8? (23...Rf8!? 24.Qh4 Kd7+=) 24.Rd4+- Bd7? (better 24...Kc7 25.Rd6 Kd6 26.Ne4 Kd5 27.Rd3 Kc4 28.Nd6 Kd3 29.Ne8 Nc4+-) 25.Rd6?? (better 25.Ne4 Qe7 26.Rc3+-) 25...Nc6?? (better 25...Nc4 26.Ne4 Nd6 27.Nd6 Qe7 28.Nf7 Ke8+-) 26.Nb5+- a6 27.Qc5 Rc8 28.Qb6 Ke7 29.Nc7 Qd8 (29...Rc7 30.Qc7 Ne5+-) 30.Qc5 Qc7 (30...Rc7?? 31.Rc6 Ke8 32.Rc7+-) 31.Rc6 Kd8 32.Rc7 Rc7 33.Qb6 (33.Qe5 Rc1 34.Ke2 Bb5 35.Kf3 Rc7+-) 33...Bb5 (33...Kc8 34.Rf3 Rc1 35.Ke2 Bb5 36.d3 Rc2 37.Ke1+-) 34.Kg1 Kd7 (34...Bc6 35.Rd3 Kc8 36.Qa7+-) 35.Rc3 (better 35.Rf3 Kc8 36.Rf7 Rd7 37.Qc5 Bc6 38.Rd7 Kd7 39.Qd4 Kc8 40.Qg7 Re8+-) 35...Rhc8 (35...Bc6 36.Qe3 Rd8 37.Qe5+-) 36.Rc7 (36.Rf3!? Bc6 37.Rf7 Kd6 38.Qb4 Kd5+-) 36...Rc7 37.Qd4 Kc6 38.Qe4 (better 38.Bg8 Rd7 39.Qe4 Kb6 40.Be6 Rd8 41.Qe3 Kc6+-) 38...Kb6 (38...Kd6 39.Bg8 Bc4 40.Qf4 Kd7 41.Qd4 Kc8 42.Bf7+-) 39.Qe6 Ka7 (39...Ka5 40.Qe5 Rd7 41.Bg8+-) 40.Qe3 b6 (40...Kb8 41.Bg8+-) 41.Qe5 Rd7 (41...Kb7 42.Bg8+-) 42.d4 (better 42.Bg8 Ba4+-) 42...Bc6 (42...Bc4+-) 43.Bg8 White prepares d5 43...a5 44.d5 (44.d5 Bb7 45.Be6+-) 1–0. Rudolph,Jens_Erik (1935) – Sass,Patrick (1840), 29th Kiel Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    8.Qg4 0-0 9.h4 Nc6 10.Nf3 h6 11.Nc3 d5 12.cd5 Bc3 13.Bc3-/+ Nd5 14.Bb5 Nc3 15.dc3 Qd5 16.Bc6 Qc6 17.c4 b5 18.0-0 Qc4 19.Qc4 bc4 20.Rfc1 Bd7 21.Rc4 a6 22.Rc7 Rfd8 23.Kf1 Bb5 24.Ke1 Rd7 25.Rd7 Bd7 26.Nd4 Rc8?? 27.Ra6+= Rc1 28.Kd2 Rf1 29.Ke2 Rh1 30.g3 f5? 31.Ra7+- Bc8 32.Ra8 (32.Ra8 Rc1 33.Ne6+-) 1–0. gregorgysi (2340) – hcabrera (2085), net–chess.com, 2009.

    8.Ra3? Ba3!?

    9.Ba3 Nc6 10.Qg4 Ne5 11.Qg7 Ng6 12.Bd3 d6?? (better 12...f5 13.Nc3 d5=) 13.Bg6+- hg6 (better 13...Rf8 14.Bd3 Qe7+-) 14.Qh8 Ke7 15.Qd8 (15.Qd4!? Na4+-) 15...Kd8 16.d3 d5 17.Nd2 Bd7 18.Ngf3 Rc8 (18...f6 19.c5 Na4 20.h4+-) 19.Ne5 Be8 20.c5 Na4 21.d4 Nc3 22.Bb2 (22.Bb4 Nb5 23.Ndf3 b6+-) 22...Na4 23.Ba3 b6?? (23...Nc3 24.Bb4 Nb5+-) 24.cb6 (24.Nb3 bc5 25.Nc5 Nc5 26.Bc5 Rb8+-) 24...ab6 25.Ke2 (25.h4 Nc3+-) 25...Rc2 (25...f6 26.Ng4 Bb5 27.Kd1 Nc3 28.Ke1 Ra8+=) 26.Bb4 Nc3? (26...Ra2 27.Rc1+-) 27.Bc3 (better 27.Kd3 Na2 28.Kc2 Nb4 29.Kb3+-) 27...Rc3 28.Rb1 Ra3? (28...b5+-) 29.Rb6 Ke7 30.g4 (30.Rb7 Kf8+-) 30...Ra1 (30...g5 31.Rb7 Kf6 32.f4 gf4 33.h4+-) 31.g5 Rg1 32.h4 Rh1 33.Rb7 Bd7 (33...Kf8+-) 34.Rd7 (34.Rd7 Ke8 35.Ndf3+-) 1-0. Williams,Si1 (2460) - Kuderinov,K (2405), Titled Tuesday 6th July, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    9.Ba3 Nc6 10.Qg4 g6 11.Nc3 Ne5 12.Qd4 f6 13.Ne4 Kf7 14.Bd6 Nc6 15.Qe3 f5 16.Ng5 Kg8 17.N1f3 h6 18.Nh3 g5 19.Ne5 a5 20.Be2 a4 21.0-0 Rh7 22.f4 g4 23.Nf2 Ra6 24.Ra1 Na5 25.c5-/+ Nd5 26.Qg3 Nb3 27.Rd1? Ra7 28.Bc4 h5 29.Bb3 h4 30.Qd3 ab3 31.Qb3 Nf4 32.Neg4-/+ Ne2 33.Kf1 fg4 34.Ke2 Qg5 35.Qb6 g3 36.Qa7= gf2 37.Kf2 Rg7 38.g3 Rf7 39.Kg1 Qg4 40.Qa1 h3 41.Rf1 Qe2 (41...Qe2 42.Qg7 Kg7 43.Bf8 Kg8 44.Rf2 Qf2 45.Kh1 Qe1) 0–1. gregorgysi (2405) – tomassic (2020), net–chess.com, 2008.

    9.Ba3 Nc6 10.Qg4 g6 11.Bd6 h5 12.Qf4 (12.Qd1 f6 13.d4 fe5 14.de5 Qh4-/+) 12...g5-+ 13.Qe3 f5 14.Nh3 (14.Nc3 a6=+) 14...Rg8 (14...g4!? 15.Nf4 a5-/+) 15.Be2=+ g4 (better 15...Rh8=+) 16.Qh6+- Kf7 (16...Ne5 17.Be5 Qe7 18.Qh5 Qf7 19.Qh4 Nc4 20.Bc4 gh3 21.Qh3+-) 17.Qh5 Kg7 (better 17...Rg6!? 18.Nf4 Qg5 19.Qg6 Qg6 20.Ng6 Kg6+-) 18.Nf4+- Qe8 19.Qg5 Kh7 20.Qh4 Kg7 21.h3 Qd8 22.Qh5 Ne7 (22...Qe7 23.hg4 Qd6 24.ed6+-) 23.hg4 (23.hg4 a5 24.Ng6 Rh8 25.Nh8 Qh8 26.Qh8 Kf7 27.Qf6 Ke8 28.Qe7) 1–0. Hovhannisyan,Karen G (2240) – Nanyan,Georgy, 9th Annual K. Asrian Memorial, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6 8.Ra3 Ba3)

    9.Ba3 d5 10.Nc3 a6 11.Qg4 Rg8 (11...Nc4 12.Qg7 Kd7 13.Qf7 Kc6 14.Bc4 dc4 15.Bd6+=) 12.Bd3 g6 (12...dc4 13.Bh7 Rh8 14.Qg7 Rh7 15.Qg8 Kd7 16.Qh7+-) 13.h4 dc4 14.Bc2 f5 15.ef6 Qf6 16.h5 Nc6 17.hg6 hg6 18.Rh7 Nd5 19.Qc4 Qd4 20.Qb3 Qe5 21.Nge2 Nc3 22.dc3 b5 23.f4 Qe3 24.Qb1 Ra7 25.Bg6 Kd8 26.Rh3 Qb6 27.Qe4 Rag7 28.Rh6 Bd7 29.g4 Qa5 30.Bc5 Qa1 31.Kf2 Qa4 32.Qd3 Kc8 33.g5 Qa5 34.Be4 Qc7 35.Qd6 Qd6 36.Bd6 Rf7 37.Nd4 Nd4 38.cd4 b4 39.g6 Rfg7 40.Be5 Kd8 41.Bg7 Rg7 42.Rh7 Rg8 43.Ke3 a5 44.d5 ed5 45.Bd3 a4 46.f5 a3 47.f6 Re8 48.Kd4 a2 49.Rh1 b3 50.Kc3 (50.Kd5 b2 51.f7 Be6 52.Kd6 Bf7 53.gf7 Rf8-+) 50...Re3 51.Kb3 Rf3 52.Rh8 Kc7 53.Ka2 Rf6 54.g7 Be6 55.Rf8 Rh6 56.Bf5 Rh2 57.Kb3 Rg2 58.Be6 Rg7 59.Bd5 Kd6 60.Bc4 Ke5 61.Re8 Kd4 62.Kb4 Rd7 63.Bb5 ½–½. Knoeppel,Bjoern (2115) – Berthold,Andreas (2115), AP–2005–Q–00012, 2005. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    9.Ba3 d5 10.ed6 N8d7 -+.

    9.Ba3+= d5 10.Qg4? Rg8 (better is 10...g5!? 11.cd5 h5-+) 11.Nc3-/+ Nc6 (worse is 11...dc4 12.Nb5+=) 12.Nf3 Nd7 (better is 12...Nc4!? 13.Bc4 dc4 14.Qc4 Qa5=) 13.Qh5+= Nf8? (better is 13...Qa5 14.Nb5 a6 15.Qh7 Rf8 16.Nd6 Kd8 17.Nf7 Rf7 18.Qg8 Kc7 19.Bd6 Kb6 20.Qf7 Qa1 21.Ke2 Nd4 22.Nd4 Qd4+/-) 14.Nb5+- g6 15.Qg4 (15.Qh6 dc4 16.Bc4+-) 15...Qa5 (15...f5 16.Qg3 Kf7 17.Nd6 Kg7+/-) 16.Qg5?? (16.cd5 Ne7 17.Be7 ed5+-) 16...a6+/- 17.Nfd4?? (17.Nd6 Kd7 18.Bb2+=) 17...Qd8?? (better is 17...ab5 18.Nc6 Qc7+=) 18.Nd6+- Kd7 19.Qf4 Nd4 20.Qd4 Qa5 21.Bc5 Kc6 22.Bb4 Qa2 23.Nc8 Kc7 24.Qb6 Kd7 25.Qb7 Kd8 26.Be7 (26.Be7 Ke8 27.Nd6; 26.Qa8?! Qb1 27.Ke2 Qe4 28.Kd1 Qb1 29.Ke2 Qe4 30.Kd1 Qb1 31.Ke2=) 1–0. Puchko,Nikolay – Gasanov,Zaur, Novorossiisk RUS, Malaya Zemlya, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6)

    9.Ba3+= Qh4 10.Nc3 Nc4? 11.Nf3 Qf4 12.g3 +-.

    9.Ba3 Qh4 10.Nc3 Nc6 11.Nf3 Qh5 12.d4 f6 (better is 12...d5!?-/+) 13.Nb5= Kf7 14.ef6 Kf6 15.g4 Qg4 16.Nd6 a5?? (better is 16...Qf4-+) 17.Rg1 Qf4 18.c5 Nd5?? (better is 18...Nd4 19.Bb2 Rg8+/-) 19.Bc1+- Nc3 (19...Qd6 20.cd6 g6+-) 20.Bf4 Nd1 21.Bg5 (21.Kd1?! g6 22.Ne5 Nd4 23.Ng4 Ke7 24.Bg5 Kf8+-) 21...Kg6 22.Nh4 (22.Nh4 Kh5 23.Be2) 1–0. Strand,Haakon (2015) – Young,Melvyn Jack (1960), Gibraltar Challengers Week1, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nb6 8.Ra3 Ba3)

    9.Ba3+= Qh4 10.Nc3 Qf4 +=.

    7.c4 Nc7

    8.Ra3 0-0 9.Rg3 Nc6 10.Qg4 g6 11.h4 d6 12.h5 Ne5 13.Be5 de5 14.hg6 fg6 15.Rh7 Qf6 (15...Kh7?? 16.Qg6 Kh8 17.Qg7) 16.Rf3 Kh7 17.Rf6 Rf6 18.Nf3 Kg7 19.Bd3 The isolani on g6 becomes a target 19...Bd7 20.Nh4 Increasing the pressure on the isolated pawn on g6 (better 20.Ne5!? Be8 21.Qd4+/-) 20...Be8 21.Nf3 Rd8 (21...Bd6 22.Qg5=+) 22.Ne5= Bc5 23.f4 Bd4 (23...Rd4 24.g3=) 24.Bc2 (24.Qg5!? Ra8 25.Nc3 Bc3 26.dc3+-) 24...b5= 25.Be4 (25.Qg5!? bc4 26.Ng4=) 25...bc4=+ 26.Nc4 Nd5 27.g3 Bb5 28.Ne5?? (better 28.Nba3 Bc6 29.Nc2=+) 28...Be5-+ 29.fe5 (29.Qg5 Bd4 30.Na3-+) 29…Rf1 0-1. Bugayev,Vladimir - Vasli,A (2370), Titled Tuesday, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Ra3? 0-0 9.Rg3-/+ Ne8 10.Bd3 f5 11.ef6 Nf6 12.Nh3 e5 13.0-0 d6 14.Nc3 Bc3 15.Bc3 Nc6 16.Ng5 h6 17.Ne4 Ne4 18.Be4 Bf5 19.Bd5 Kh7 20.d4 Nd4 21.Bd4 ed4 22.Qd4 Qc7 23.Rb3 Rfb8 24.g4 Bg6 25.Rf3 a5 26.h4 Kh8?? 27.h5+- Be8?? 28.Rf8 Kh7 29.Qe4 g6+- 30.Re8! Re8 31.Qg6 Kh8 32.Qh6 Qh7+/- 33.Qh7 Kh7 34.Bb7 Ra7 35.Bd5 a4 36.f3 a3 37.Kf2 Kh6 38.Be4?? Re4!-+ 39.fe4 0–1. Czyzykiewicz,Rafal (1815) – Rzeznik,Lukasz (2115), Mistrzostwa Polski Nauczycieli, 2008.

    8.Ra3 Ba3 9.Ba3 d5 10.Qg4 g6 11.Nf3 Bd7 12.h4 Bc6 13.Nc3 dc4 14.Bc4 b5 15.Be2 a5 16.Bd6 b4 17.h5 bc3 18.hg6 fg6 19.dc3 Kd7 20.0-0 (20.Nd4 Qe8-+) 20...Kc8 21.Nd4 Re8 22.Nc6 Nc6 23.Bf3 Qd7 24.Qc4 Nd5! 25.Rb1 (25.Bd5 ed5 Combination) 25...Kd8 26.Rd1 a4 27.Bd5 ed5 28.Rd5 Ra5?? (28...Qb7 29.Ba3 Kc7 30.Bd6 Kc8=) 29.Bc5= Re5 (29...Ne5?? 30.Bb6 Ke7 31.Rd7 Kd7 32.Qd4 Ke6 33.Ba5+-) 30.Bb6 ½–½. Skorna,Ullrich (2195) – Traunecker,Thomas (2315), AC–2005–Q–00006, 2005. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Ra3 Ba3 9.Ba3 d5 10.ed6 Nca6 11.Qg4 0-0 12.Bd3 e5 13.Qh5 e4 (better 13...h6!?-+) 14.Be4=+ g6 15.Qf3 Re8 16.Ne2 Nc6 17.0-0 (17.Bc6 Qb6 Double attack (17...Qb6 Decoy)) 17...Ne5 18.Qc3 White intends c5 18...Qh4 (18...Rb8 19.d3=+) 19.f3 Bf5 (19...h6 20.d4 Nd7 21.c5=) 20.Ng3 (20.Bb7 Rab8 21.Ba6 A) 21...Bb1 22.Bb5 Bd3 23.Be8 Be2 24.Qe5 Bf1 25.Bb5 (25.Kf1?? Rb1 26.Ke2 Qe1 27.Kd3 Qe5-+) 25...Bc4 26.d7+-; B) 21...Rb1 22.Rb1 Bb1=) 20...Rac8 (20...Be4 21.fe4 f5 22.Qd4=) 21.c5 (better 21.Bf5 Rc4 22.Qe3 gf5 23.f4 Qh2 24.Kh2 Ng4 25.Kg1 Ne3 26.de3 Re3 27.Rd1+/-) 21...Bd7?? (21...Be4 22.fe4 Rcd8 23.d4+=) 22.d4?? (better 22.Bb7 Nb8 23.d4+-) 22...Nc6+= 23.d5 (23.Bb2 Qf6 24.Bc6 bc6 25.Ne4+-) 23...Ne5-+ 24.Qd4 f5 (24...Bb5 25.Rf2 f5=) 25.f4?? (better 25.c6 Nb8 26.Bb2 (worse 26.cd7 Nbd7 27.Qa7 fe4 28.Ne4 Qf4=+) 26...bc6 27.dc6 fe4 28.cd7 Nbd7 29.f4+-) 25...Ng4-+ (25...fe4? 26.fe5 Nc5 27.Bc5+-) 26.h3 fe4 (26...Qg3 27.hg4 Re4-+ (27...fe4?? 28.Bb2 Qe3 29.Qe3+-)) 27.Bb2?? (better 27.hg4 Qh6 28.Bb2 Bg4 29.f5+-) 27...Qf6! 28.Qf6? (better 28.hg4!? Qd4 29.Bd4 Nc5 30.Bc5 Rc5 31.Nd2 Rd5 32.Nde4-+) 28...Nf6 29.Bf6 Nc5 30.Be7 (30.Nc3 e3-+) 30...a5 (30...Bb5 31.Rd1 e3 32.Nc3-/+) 31.Nc3 a4 (31...e3!? 32.Nce4 Kf7 33.Re1-+) 32.Nce4 (32.Nge4 Ne4 33.Ne4 Kg7-/+) 32...Ne4 (32...Kg7 33.Nc5 Rc5 34.Ne4 Rd5 35.g4-+) 33.Ne4 Kf7 (33...Kg7 34.Bf6 Kf7 35.Be5-/+) 34.Ng5=+ Kg7 35.Ne6 Be6 36.de6 Re7 37.de7 Re8 38.Ra1 Re7 (38...b5!? 39.Rb1 Re7 40.Rb5 Re6=+) 39.Ra4= Re6 40.Rb4 Re7 (40...b6 41.g4=) 41.Rb6 Rf7 42.g3 Re7 43.Kf2 Rc7 44.Kf3 Kf7 (44...Rc3 45.Kg2 Rc2 46.Kf1+=) 45.Kg4 (45.g4 Rc3 46.Kg2 Rc2 47.Kg3 Rc3 48.Kh4 Rc7+/-) 45...h6 (45...Kg7!?=) 46.h4+/- Kg7 (46...Rc3 47.Rb7 Kf6 48.Rb6 Kg7 49.h5 gh5 50.Kh4+/- (50.Kh5?! Rg3 51.Rd6 Rg1=)) 47.h5+- gh5 48.Kh5 Rc5 49.Kg4 (49.Kh4 Rc4+-) 49...Rc7+/- 50.f5 Rc4 (better 50...Rf7!?+/-) 51.Kh5+- Rc7 (51...Rc2 52.Rb7 Kf6 53.Rb6 Kf5 54.g4 Kf4 55.Rb4 Ke5 56.Kh6 Rc6 57.Kh5+-) 52.g4 Kg8 53.Rh6 Rh7?? (53...Rf7+-) 54.g5 (better 54.Rh7 Kh7 55.f6+-) 54...b5 (54...Rc7 55.Rd6 Rh7 56.Kg4 Kf8+-) 55.Kg6 (55.Kg6 Rg7 56.Kf6+-) 1-0. Bugayev,Vladimir - Golubev,M (2460), Titled Tuesday, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Ra3 b6 9.Rg3+= g6 10.h4 h5 11.Bd3 Bb7 12.Qc2 Qe7 13.Nc3 Nba6 14.Ne4 Be4 15.Be4 0-0-0 16.Ne2 Rhg8 17.Nd4 Nc5 18.Bf3 Kb8 19.0-0 (19.Rg5!?+=) 19...g5 20.Rg5 Rg5 21.hg5 Qg5 22.Rd1 h4 23.Ne2 Qg6 24.d3 Rg8 25.Nf4 Qf5 26.Qc1 Na4 27.Ba1 Bc3 28.Bc3 Nc3 29.Qc3 Qf4 30.d4 Rc8 31.Qa3 f6?? (better is 31...Rg8+=) 32.Ra1+- a5 33.Qd6 Ka7 (33...Rh8 34.Qb6 Kc8 35.Rb1+-) 34.Qd7 (34.c5 Na8 35.cb6 Ka6 36.b7 Rc6 37.ba8Q Kb5 38.Be2 Kb6 39.Qab8) 34...Kb8 35.Qc6 Nd5 36.Qd6 Kb7 1–0. Theon,Pierre (2215) – Soulages,Laurent (2115), FRA–chT2B, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Bd3 Nc6=+ 9.Qg4 0-0 (9...g6 10.Nf3=+) 10.Nf3= Be7 (10...g6 11.h4 d5=) 11.h4 (better 11.0-0=) 11...f5?? (11...Na6 12.Bh7 Kh7 13.Qh5 Kg8 14.Ng5 Bg5 15.hg5 f5 16.g6 Qh4 17.Qh4 Ne5 18.Qh7) 12.ef6+- Bf6 13.Bh7 Kh7?? (13...Kf7 14.Bg6 Ke7+-) 14.Ng5 Kg8 (14...Bg5 15.hg5 Kg8 16.Qh5 Qg5 17.Qg5+-) 15.Qh5 Re8 (15...Bg5 16.hg5 Qg5 17.Qg5 e5+-) 16.Qf7 Kh8 17.h5 Qe7 (17...Ne5 18.Be5 d5 19.h6 Be5 20.hg7) 18.Qg6 White plans h6 18...Bg5 19.h6 Kg8 20.Bg7 (20.Bg7 Bd2 21.Nd2 Qh4 22.Rh4 Nd5 23.h7) 1–0. Aleskerov,Faik (2315) – Sheng,Joshua (2370), PRO League Pacific, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nc7)

    8.Nf3 0-0 9.Nc3 d5 10.ed6 Qd6=+ 11.Ne4 Qe7 12.Bd3 f5 13.Ng3 e5 14.Ne5= Nc6 15.Qe2 Ne5 16.Be5 Bd6 17.f4 Be5 18.fe5 f4=+ 19.Ne4 Qe5-/+ 20.0-0 Bf5 21.Rad1 Rad8 22.Bb1 Rfe8 23.Qf2?? Qd4 24.Qd4-/+ Rd4 25.Rf4 Be4 26.Be4?? Rdd8 27.d3 b6 28.Ra1 a5 29.Rh4 g6= 30.c5 bc5 31.Ra5 Ne6 32.Ra7 Ng5 33.Rc7 Rf8 34.h3 Rc8?? 35.Bd5+- Kh8 36.Rc8 Rc8 37.Rg4 h6 38.h4 Rd8 39.Bc4 Nh7 40.Rg6 h5 41.Rh6 Kg7 42.Rh5 Rc8 43.g4 Nf6 44.Rg5 Kh7 45.Kg2 Rd8 46.h5 Rd4 47.Kf3 Nd7 48.Rf5 Kh6 49.Kg3 Kg7 50.g5 Kh8 51.Rd5 Rd5 52.Bd5 Kg7 53.Kf4 Nf8 54.Kf5 c4 55.dc4 Kh7 56.Be6 Kg7 57.c5 Kh7 58.c6 Kh8 59.c7 Kg7 60.c8Q Ng6 61.Qg8# 1–0. Skrjabin,I (2080) – Sokolova,V (1990), Zima Rating Tournament, St Petersburg RUS, 2007.

    8.Qg4 0-0 9.Bd3 Be7 10.Nf3 h6 11.h4 (better 11.Qe4!? g6 12.Qe3+=) 11...f5= 12.ef6 Bf6 13.Ne5? (better 13.Nc3=+) 13...d6-+ 14.Qg6 Be5 (14...de5?! 15.Ba3 e4 16.Be4 Ba1 17.Qh7 Kf7 18.Qg6 Kg8 19.Qh7 Kf7 20.Qg6 Kg8=) 15.Qh7 Kf7 16.Bg6 Kf6 17.Be5 de5 18.Nc3 Rg8?? (18...Ne8 19.Be8 Re8 20.Ne4 Kf7 21.Ra3+=) 19.Ne4?? (better 19.Rh3 Ke7 20.Rf3+=) 19...Ke7-+ 20.Bh5? (better 20.Ra3 Nd5 21.cd5 ed5 22.Ng3-/+) 20...Nc6 21.Rh3 Nd4 22.Raa3 Nf5 (better 22...Qf8-+) 23.Nf6?? (23.g4 Qd4 24.Qg8 Qe4 25.Kf1 Qc4 26.Rhd3 Qc1 27.Kg2 Qc6 28.f3=) 23...Kf6 (23...Rh8 24.Ng8 Rg8 25.Bf3-+) 24.Qg6 Ke7 25.Qf7 Kd6 26.Rhd3 Nd4 27.c5 (27.Bf3 a6-+) 27...Kc6 28.Bf3 (28.Bd1 Qe8 29.Ba4 Ncb5 30.Qe8 Re8-+) 28...Nd5 29.Bd1 (29.Ra2 Kc5 30.Rda3 Qf8-+) 29...Bd7 (29...Kc5 30.Qh5 Qf6 31.Qg4-+) 30.Qh5 (30.Ba4 Kc7-+) 30...Qf6 31.Ba4 (31.Qg4 Kc5 32.Ra5 Kd6-+) 31...Kc7 32.Bd7 Kd7 33.c6 (33.Qg4 Nf4 34.Rd4 ed4-+) 33...bc6 34.Rf3 Nf3 (better 34...Nf4 35.Rf4 Qf4 36.Kf1-+) 35.Rf3 Nf4 36.Qg4 Qf5 (better 36...Rgb8 37.Rf4 ef4 38.Qd1-+) 37.Qg3 Qb1 0-1. Riehle,Marco (2345) - Quparadze,G (2460), Titled Tuesday, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Qg4 0-0 9.Nf3 Nc6 10.h4 (10.Bd3 g6=+) 10...Ne8 11.Bd3 h6 12.Qe4 f5 13.ef6 Nf6 14.Qf4 d5 15.Ng5? (better 15.Qe3-/+) 15...Ne4-+ 16.Qg4 hg5 (16...Ng5?! 17.hg5 Qg5 18.Qg5 hg5 19.Rh7-+) 17.hg5 (17.Be4 de4 18.hg5 e3 19.fe3 Qd3-+) 17...Qg5 (17...Nf2?! 18.Rh8 Kf7 19.Rf8 Kf8 20.Qf3 Kg8 21.Bg6-+) 18.Qh3 (18.Qg5 Ng5 19.Rh5-+) 18...Bd2 19.Ke2 Rf2 20.Kd1 Ne5 (better 20...e5 21.Qh7 Kf7 22.Be4 de4-+) 21.Be4 de4 22.Qh7 (22.Be5 Bb4 23.Qh7 Kf7 24.Qg7 Qg7 25.Bg7 Kg7-+) 22...Kf7 23.Qe4 Qg4 (better 23...Bf4 24.Be5 Be5-+) 24.Qg4 Ng4 25.Nd2 Ne3 (25...Rg2 26.Bd4 a5 27.Re1-+) 26.Kc1 Rg2 27.Re1 (27.Bd4 Nf5 28.Ra7 Ra7 29.Ba7-+) 27...Nf5 28.Nf3 b6 29.Ne5 Ke7 (29...Kg8 30.Rd1-+) 30.Ba3 (30.Nc6 Kd7 31.Ra7 Ra7 (31...Kc6?! 32.Ra8 Kb7 33.Ra4=+) 32.Na7 Rg4 33.Rd1 Kc7 34.Nb5 Kc6 35.Nd4 Nd4 36.Rd4 Rd4 37.Bd4 g5-+) 30...Kf6 31.Bb2 Ke7 32.Ba3 Kf6 33.Bb2 Ke7 ½-½. Riehle,Marco (2345) - Belous,Mikhail (2360), Titled Tuesday, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Qg4 0-0 9.Nf3 Be7 10.Bd3= Ne8 (10...Nca6!?=) 11.Qe4 (11.Qh3 h6 12.Nc3 Nc6=) 11…g6= ½–½. Vasiukov,Evgeni – Karasev,Vladimir I, World Senior Championship Men, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Qg4 g6 9.Nc3 h5 10.Qg3 (10.Qd1 0-0=) 10...d5=+ 11.Bd3 Nc6 12.Nf3 Qd7 (12...h4 13.Qf4=+) 13.0-0= 0-0 (13...h4 14.Qf4=) 14.Ne2 (14.Ba3!?=) 14...dc4=+ 15.Bc4 b5 (15...Bd2? 16.Rfd1+- (16.Nd2?! Qd2 17.Ba3 Rd8=)) 16.Bb3 Nd5 (16...a5 17.Nf4=+) 17.Bd5= ed5 18.h3 Nd8 (better 18...Rd8!?=+) 19.Nf4+= Ne6 (19...Re8!?+=) 20.Nh5+- Be7 21.Nf6 (better 21.Ba3!?+-) 21...Bf6+= 22.ef6 Qd8 23.Qh4 d4? (23...Qd6 24.Be5 Qe5 25.Ne5 g5+-) 24.Nd4+- (24.Bd4?! Bb7 25.Qh6 Qd5 26.Ra7 Ra7 27.Ba7 Qf5+-) 24...Nd4 (24...Bb7 25.Ne6 fe6 26.f7 Kf7 27.Qh7 Ke8 28.Qb7 Qd5 29.Ra7 Qb7 30.Rb7 Rf5+-) 25.Bd4 (25.Bd4 Qd4 26.Qd4+-; 25.Qd4?! Qd4 26.Bd4 a5+=) 1–0. Ayza Leon,David (2295) – Martinez Lopez,Carlos (2115), 5th Obert Actiu Sant Marti, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Qg4 g6 9.h4 Nc6 10.h5 g5 (10...Rf8 11.hg6 hg6 12.Nf3=+) 11.h6 b6 (11...Na6 12.Nf3=) 12.Nf3 Be7 13.Rh5 The pressure on g5 grows (better 13.Bd3=) 13...Rg8 (better 13...Nb4 14.Na3 Bb7=+) 14.Bd3+/- f5 15.ef6 Bf6 16.Bh7 (16.Nc3 Qe7 17.Ba3 d6+=) 16...Bb2= 17.Ra2 Bh8? (better 17...Rh8 18.Bg6 Kf8 19.Ng5 Bd4 20.Nh7 Rh7 21.Bh7 Ke7=) 18.Bg8+- Nb4 19.Ng5 (better 19.Ra4 Nd3 20.Kf1+-) 19...Na2+/- 20.Ne4 Qe7 21.Qg6 Kd8 22.Bf7?? (better 22.Ng5 Ba6 23.Nf7 Kc8 24.Nh8+/-) 22...Bb7 (22...d6 23.Qg8 Kd7 24.Qh8 Qf7 25.Qg7 Qg7 26.hg7+-) 23.Qg8= Ne8 24.Nd6? (better 24.Bg6!? Bd4 25.h7 Be4 26.Be4+/-) 24...Qd6-/+ 25.Qh8 Kc7?? (better 25...Qd3 26.Qe8 Kc7-+) 26.h7 (better 26.Nc3 Nc3 27.Qc3=+) 26...Qe7?? (26...Qd3 27.Na3 Qe4 28.Kd1 Bc6 29.Qe5 Qe5 30.Re5 Nf6-/+) 27.Be8 (better 27.Qe5!? d6 28.Qe6 Qe6 29.Be6+-) 27...Re8+/- 28.Qe8 (28.Qa1 Nb4 29.Kd1 Nd3+/-) 28...Qe8+= 29.h8Q Qh8 30.Rh8 Bg2 31.Ke2 Be4 32.Nc3 (32.Na3!? a6 33.d4+=) 32...Nc3= 33.dc3 Bf5 34.Ke3 a5 35.Kd4 d6 36.f4 Kc6 37.Rc8 Kd7 38.Ra8 Kc7 39.Ra7 Kc6 40.Ke3 Bc2 41.Kd2 Bf5 42.Kc1 (42.Ke3 e5=) 42...Be4 (better 42...Bd3!?-/+) 43.Kb2 Bd3 44.Kb3 Bf5 45.Re7 Bg4 46.Kc2 Bf5 47.Kd2 Bg4 48.Ke3 Bf5 49.Kd4 a4 50.Ra7 (50.Ke3 Bg4+=) 50...Bc2= 51.Ke3 Bb3 52.Kd3 Bd1 (52...b5 53.cb5 Kb5 54.Ra8+=) 53.Kd2 (53.Re7 Bg4+=) 53...Bb3= 54.Kc1 b5 (54...d5 55.cd5 Kd5 56.Rd7 Kc6 57.Rd2=) 55.cb5 (better 55.Ra6!? Kc5 56.cb5+/-) 55...Kb5= 56.Re7 Kc5 57.Kb2 Kc6 (57...Kd5 58.Rd7=) 58.Re8 Kd7 59.Ra8 Ke7 60.Ra7 Kf6 61.Kc1 Kf5 62.Rf7 Ke4 63.Rf8 (63.Kb2 Bc4=) 63...e5 64.f5 Kf4 65.f6 Kf5 66.f7 Kf6 67.Rd8 Bf7 68.Rd6 Kf5 69.Ra6 Bb3 70.Kd2 Ke4 71.Rb6 Kd5 72.Rb4 Kc5 73.Ke3 (better 73.Kd3+=) 73...Bd5?? (better 73...Bc2=) 74.Ra4+- Bc6 75.Ra5 Kd6 76.Kd3 Bb7 77.Kd2 Bc6 78.Ra3 Kd5 79.Ra1 Kd6 80.Re1 Kd5 81.Re3 Kd6 (81...Bb5 82.Rg3+-) 82.Rg3 Kd5 83.Rg5 Kd6 84.Rh5 Bf3 85.Rh4 Bc6 86.Ke3 Bd5 87.Rb4 Kc5 88.Ra4 Bc6 89.Rh4 Kd6 90.Kd3 Kc5 91.Rh5 Kd5 (91...Bb5 92.Ke3 Kd5 93.Rh4+-) 92.c4 Kd6 93.Rh6 Kc5 94.Rh5 (94.Re6 e4 95.Kc3 Ba8+-) 94...Kd6 95.Kc3 Ke6 (95...Bf3 96.Rh3 Bg2 97.Rg3+-) 96.Kb4 e4 (96...Bf3 97.Rh6 Kd7 98.Kb5+-) 97.Rh6 Kd7 98.Kc5 Ba8 (98...Ba4+-) 99.Rh7 Kc8 100.Kd6 e3 101.c5 Be4 102.Re7 Bg2 (102...Bf3 103.Re3 Bg4 104.Re4+-) 103.Re3 (103.c6 Kb8 104.c7 Kb7 105.Re3 Ka7 106.c8Q Kb6 107.Ra3 Bd5 108.Qa6) 103...Kb7 104.Re7 Kc8 (104...Ka6+-) 105.c6 (105.c6 Kb8 106.Rb7 Ka8 107.Kc7 Bc6 108.Rb3 Ba4 109.Ra3 Ka7 110.Ra4) 1-0. Gschnitzer,Adrian (2410) - Dolzhykova,Kateryna (2165), Titled Tuesday, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Qg4 g6 9.h4 h5 10.Qg3 Nc6 11.Nf3 Be7 12.Bd3 Nb4 13.Be4 Nca6 14.0-0 Nc5 15.Nc3 Ne4 (15...d5 16.ed6 Bd6-/+ (worse 16...Qd6 17.Qd6 Bd6 18.Nb5 Ne4 19.Bh8+=)) 16.Ne4= 0-0 (16...b6 17.Nd6 Bd6 18.ed6+-) 17.Nf6 (better 17.Ba3!?+/-) 17...Bf6= 18.ef6 d6 19.Qf4 (better 19.Ba3!? Nc6 20.Bd6+/-) 19...e5=+ 20.Qh6 (better 20.Ne5!? de5 21.Be5=+) 20...Qf6-/+ 21.d4 e4?? (better 21...Nd3 22.Bc3 Bg4 23.de5 de5 24.Ne5 Ne5-/+) 22.Ng5+= Qg7 23.Qg7 Kg7 24.d5 f6 25.Ne4 Bf5 (25...a5!? 26.Nd6 Ra6+=) 26.Nd6+/- Bd3 (26...Rfd8 27.Nf5 gf5 28.Bc3+/-) 27.Rfe1 Rad8 (better 27...b5 28.cb5 Rfd8 29.Re7 Kg8+-) 28.Re7 Kg8 29.Nb7 Rde8 30.Bf6! Re7 (30...Rf6 31.Re8 Deflection (31.Re8 Overloading)) 31.Be7 Nc2 (31...Rb8 32.Na5+- (32.Bb4?! Rb7 33.Bc5 Bc4+/-)) 32.Rd1 (32.Ra7 Rb8+-) 32...Re8 (32...Rb8 33.Na5 Bf5+-) 33.d6 (worse 33.Rd3 Re7 34.d6 Rb7+-) 33...Bf5 34.d7 Bd7 35.Rd7 Kf7 (35...Nd4 36.Nd6 Ra8 37.Ne4+-) 36.Bg5 Ke6 37.Nc5 Kf5 38.Rf7 (better 38.f3!? Nb4+-) 38...Ke5 39.Re7 (better 39.f3!? Na3+-) 39...Re7 40.Be7 Kd4 41.Ne6 (41.Nd7 Kc4 42.Ne5 Kb5 43.Ng6 Nd4+-) 41...Kc4 42.Nf4 a5 43.Ng6 a4 44.f4 (44.g4 Nb4+-) 44...Nb4? (44...a3 45.Ba3! Kd5 46.g4+-) 45.Ne5 (better 45.Bb4!? Kb4 46.f5 a3+-) 45...Kb3 46.Nd7 a3 47.Nc5 Kc4 48.Ne4 a2 49.Nd2?? (better 49.Bf6+-) 49...Kc3=+ 50.Ne4 (better 50.Bf6!? Kd2 51.f5=) 50...Kd4-+ 51.Nf2?? (better 51.Bf6 Ke4 52.g3-+) 51...a1Q 52.Kh2 Nd5 53.Bg5 (53.Bd6 Kc4 54.f5 Qe1-+) 53...Qf1 54.Kg3 Ne3 55.Bf6 Kd5 56.Kf3 Ng4 57.Kg3 (57.Bd4 Kd4 58.Kg3 Qf2 59.Kh3 Qf4 60.g3 Qf1) 57...Qf2 58.Kh3 Qe3 (58...Ne3 59.g4 hg4) 59.g3 Qf2 60.Bd4 (60.f5 Qf1) 60...Kd4 (60...Qf1) 61.f5 Qg1 (61...Qf1) 62.f6 Nf2 0-1. Riehle,Marco (2345) - Titus,Andrew (2155), Titled Tuesday, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Nh3 Qh4 9.Qf3 Nc6 10.g3 Qh6 11.Nf4 b6 12.Bg2 0-0 13.0-0 Bb7 14.d4 Na5 15.d5 ed5 (15...f6 16.Qg4 Nc4 17.Ne6 de6 18.Qc4=) 16.cd5=+ Rfc8 (16...d6 17.Ra4 de5 18.Be5=+) 17.Ra4 Bf8 18.Nc3 Ne6 19.Ne6 (19.Bc1 Nb3 20.Ne6 Nc1=+) 19...de6 20.Rh4 (20.Qd3!? ed5 21.Nd5=+) 20...Qg6-/+ 21.Qd1 ed5 22.Nd5 Rc4 (22...h6 23.Bc3 Rab8 24.Ba5 ba5 25.Ra4=+) 23.Bd4 (better 23.Rc4 Nc4 24.Nf4 Nb2 25.Qb3 Bg2 26.Ng6 Bf1 27.Kf1 hg6 28.Qb2=) 23...Qg5 (better 23...h6-/+) 24.Rg4 Qf5 25.Ne3 Rd4 (25...Qc8!? 26.Nc4 Nc4 27.Bb7 Qb7+=) 26.Nf5+- (26.Rd4?! Qe5 27.Rd7 Bg2 28.Ng2 Nc6=; worse 26.Qd4 Qe6+=) 26...Rd1 27.Rd1 Bg2 28.Kg2 g6 29.Rd7 Nc6 30.Rd5 (better 30.f4!?+=) 30...h5=+ 31.Rc4 Na5 32.Rc7 gf5 33.Rdd7 Nb3 34.Rf7 (worse 34.Ra7 Ra7 35.Ra7 Nd4-/+) 34...Nd4 35.Rf6 Re8 (35...h4 36.Rd7 Bc5 37.Rg6 Kh8 38.Rh6 Kg8 39.Rh4=) 36.Ra7 Re5 37.Rg6 Kh8 38.Ra8 (better 38.Rb6 Bg7 39.Rd7+=) 38...Ne6?? (better 38...Kh7 39.Rb6 Bg7=+) 39.Re6!+- Re6 40.Rf8 Kg7 41.Rf5 Kg6 42.Rb5 Kh6 43.Kh3 Rf6 44.Rb2 (44.f4 Rg6+-) 44...Kg5 (better 44...b5!?+-) 45.f4+- Kh6 (45...Kg6 46.Rb5+-) 46.Kh4 Rg6 47.h3 Kg7 48.Rb5 (worse 48.Kh5 Rg3 49.h4 Rg6+-) 1–0. Aleskerov,Faik (2405) – Sells,Philip Grant (1915), US Amateur Team East, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nc7)

    7.c4 Ne7

    8.Na3 Ba3 9.Ra3 0-0 10.Bd3 Nf5 11.Bf5 (11.Qg4 Qb6 12.Bc3 d6=+) 11...ef5=+ 12.Qh5 (12.Nf3!?=+) 12...Qb6-/+ 13.Rh3 h6 14.Ba3 Qb1 (14...Re8 15.f4 d6-+) 15.Ke2 (15.Qd1!? Qe4 16.Kf1-/+) 15...Re8-+ 16.Bd6 Qe4 17.Re3 Qc4 18.Kd1 (18.Ke1 f4 19.Rc3 Qe4 20.Ne2 Nc6-+ (20...Qg2?! 21.Rg1 Qe4 22.Qh6 Qb1 23.Nc1 Qe4 24.Kd1+=)) 18...Nc6 (better 18...Qf1 19.Re1 Qg2-+) 19.Ne2?? (better 19.Nf3 Qa4 20.Ke2-+) 19...Qa4 20.Kc1 (20.Ke1 Qa1 21.Nc1 Qc1 22.Qd1 Qc4-+) 20...Qa1 21.Kc2 Qh1 22.Rg3 Qa1 (22...Re6 23.Qf5 Qe1 24.Qg4-+) 23.Nc3 (23.Qh6 Nb4! 24.Bb4 Qe5 25.Nf4-+) 23...Re6 (23...Ne5 24.Be5 Re5 25.Qh6 Qc3 26.Kc3 Rc5 27.Kd4 Kf8 28.Qg7 Ke7 29.Re3 Kd6 30.Qf8 Kc7 31.Qc5 Kd8 32.Rh3 d6 33.Qd6 Ke8 34.Rh8) 24.f4 b5! 25.Rd3 (25.Nb5 Nd4 Double attack (25...Nd4 Decoy)) 25...b4 26.Nd5 (26.Qd1 Qa6 (26...bc3?! 27.Qa1 Rg6 28.g3=) 27.Qf3 bc3 28.dc3 Bb7-+) 26...Nd4 (better 26...Qa2 27.Kd1 Ba6 28.Qh3 Qb1 29.Ke2 Rd6 30.ed6 Re8 31.Ne7 Ne7 32.Qe3-+) 27.Rd4 Qd4 28.Ne7 (28.Qf3 Bb7 29.Nf6 gf6 30.Qb7 Ree8-+) 28…Re7! (28...Re7 29.Qf3 b3 30.Kb3 Qb6 31.Kc2 Bb7-+) 0–1. Barahona Torrijos,A (1900) – Castro Uceda,JA (1655), 18th Torneo San Viator, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 Na6 9.Nc2 Bc5 10.d4= Bb6 11.Qg4 Ng6 12.h4 h5 13.Qg3= Bc7 14.Bd3+= 0-0 15.Bg6 fg6+= 16.Qg6 Qe8 17.Qg3 b6 18.Ba3+/- Rf5 19.Ne3 Rf7 20.Ne2 Bb7 21.Nf4 Rc8? 22.Nh5+- Bd8 23.Bd6 Be7 24.Ng4 Bd8? 25.Ngf6 Bf6 26.Nf6 Rf6 27.ef6 Qf7 28.fg7 Qg7 29.Qg7 Kg7 30.Rh3 Rc4 31.Rha3 Nb4 32.Rg3 Kh7 33.Ra7 Bc6 34.Bb4 Rb4 35.Rg4 Rb1 36.Kd2 Rb2 37.Ke3 Kh6 38.f3 b5 39.Rg8 Rb3 40.Kf4 Rd3 41.Ke5 Kh5 42.Kf6 Kh4 43.Rg4 Kh5 44.Ra1 (44.Ra1 Rf3 45.gf3 Bf3 46.Rg8 Be4 47.Rag1 Bg2 48.R1g2 e5 49.Rh8) 1–0. gregorgysi (2235) – vampirex (2245), net–chess.com, 2008.

    8.Na3 Qb6 9.Rb1 Qa5 10.Nc2 Nbc6 11.Nb4 Qb4 (worse is 11...Nb4 12.Bc3 Nec6 13.Qb3+-) 12.Bc3 Qa3 13.Ra1 Qc5 14.d4 Qb6 15.Rb1 Qd8 16.Bd3 d6 17.ed6 Qd6 18.Nf3 0-0 19.0-0 Ng6 20.Be4 Qf4 21.Qc2 f5 22.Bc6 bc6 23.Qa4 Bd7 24.Rb7 Rf7 25.Ra7 Ra7 26.Qa7 Qg4 27.h3 Qf4 28.Rb1 c5 29.Qc5 h6 30.Re1 Kh7 31.Qb6 Bc8 32.Qb1 Bb7 33.Re3 (33.Re6 Bf3 34.Qf1 Be4-/+) 33...Be4 34.Qe1 Rb7 (better is 34...Qc7!? 35.Nd2 Nf4+/-) 35.Nd2+- Bc2 36.Re6 Qg5 37.Nf3 Qf4 38.Qd2 Rb1 39.Re1 Qe4 40.Rb1 Bb1 41.Qe3 Nf4 42.Bd2 Ne2 43.Kh2 Ba2 44.d5 Bc4 45.Qe4 fe4 46.d6 Bb5 47.Ne5 Nd4 48.d7 Ne6 49.Ba5 Bd7 50.Nd7 Kg6 51.Bc3 Kf5 52.Bd2 h5 53.Be3 g5 54.g3 Nc7 55.Nf8 Nd5 56.Nh7 g4 57.h4 Nb4 58.Kg2 Nd3 59.Kf1 Ne5 60.Ng5 1–0. Testa,Adriano (1925) – Podini,Francesco (2075), Bratto op–A, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 Qb6 9.Nb5 0-0 10.Bd3 Nbc6 11.Qh5 g6 12.Qh6 Nf5 13.Bf5 ef5 (13...gf5 14.Nh3 f6 15.ef6+-) 14.Nf3 Re8?? (better is 14...f6 15.ef6 Rf7+/-) 15.Ng5+- Ne5 (15...Nd8 16.0-0 Re6+-) 16.Qh7 Kf8 17.Qh8 Ke7 18.Qe5 Kf8 19.Nh7 (19.Nh7 Kg8 20.Qe8 Bf8 21.Qf8 Kh7 22.Qg7) 1–0. Hechl,Gerald (2240) – Stadler,Peter (2165), AUT–chT2O, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 d6 9.Nc2 Nbc6 10.Nb4 Nb4 11.Qa4 Nbc6 12.ed6 Qd6 13.Nf3 0-0 14.Ba3 Qf4 15.d4 Qe4 16.Be2 Rd8 17.0-0? (better is 17.Bc5-/+) 17...Qe2-+ 18.Rfe1 Qd3 19.d5 Bd7 (19...ed5?! 20.Be7 Ne7 21.Re7-/+) 20.Rad1 Qf5 21.Qb3 Ng6 22.Qb7 Nce5 23.Ne5 Ne5 24.Qc7 (24.Be7 Rdb8 25.Qc7-+) 24...Nd3 25.Rd3 Qd3 26.Be7 Re8 (better is 26...Rdb8 27.h3 Rb1 28.Rb1 Qb1 29.Kh2 Qb8-+) 27.Qd7 ed5 28.cd5 Rad8 29.Qd8 Rd8 30.Bd8 h6 31.h3 Qd5 32.Be7 a5 33.Re3 a4 34.Ra3 Qb7 35.Re3 f6 36.Ba3 Qb1 37.Kh2 Qc2 38.Kg1 f5 39.f4 Qd2 40.Rf3 Kf7 41.Kh2 Ke6 42.Kg3 Kd5 43.Bf8 Qb2 44.Ba3 Qb8 45.Be7 g5 46.Ba3 Ke4 47.Bc5 gf4 48.Kh2 Qe5 49.Ba3 Qa1 50.Bd6 Qc1 51.Ba3 Qe3 52.Bf8?? h5 53.Bb4?? Qf3 54.gf3 Kf3 55.Bd6 Kf2 56.Bf4 a3 57.Be5 a2 58.Bd4 Kf3 59.Kg1 Ke2 60.Kg2 f4 0–1. Mycroft,Richard (2150) – Sugden,John N (2170), BCF–chT3, 2008. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 Nf5 9.Nc2 Ba5 10.Bd3 Nc6 11.Bf5 ef5 12.Ne3 d6 13.ed6 0-0 14.c5 f4 15.Nd5 Qg5 16.Ne7 (16.Qf3!? Re8 17.Kf1-/+) 16...Ne7-+ 17.Ra5 (better is 17.de7 Qe7 18.Ne2-+) 17...Nc6 18.Ra3 Qg2 19.Qf3 Re8 20.Re3 Bh3 21.Qh3 Qh3 (better is 21...Qh1 22.Re8 Re8 23.Kf1 Qe4-+) 22.Nh3-/+ fe3 23.fe3 (23.de3 b6 24.cb6 ab6-+) 23...b6 24.Rg1 g6 25.Nf4 Nb4 (25...bc5 26.Nd5 Red8 27.Nf6 Kg7 28.Ne4 Kf8 29.Bf6-+) 26.c6 (26.cb6 ab6 27.Bf6 Ra7-/+) 26...Nc6-+ 27.Nd5 Re6 (27...Red8 28.Nf6 Kg7 29.Rg4-/+) 28.Nc7 Rd8 29.Ne6 fe6 30.Ba3 b5 31.Bc5 a5 32.Ke2 Kg7 33.Rc1 Nb8 34.Rb1= Nd7 35.Rb5 Nc5 36.Rc5 Rd6 37.Ra5 Kf6 38.d4 Rd5 39.Ra2 g5 40.Kd3 g4 41.Ke4 Rf5 42.h3 gh3+= 43.Rh2 Rh5 44.Kf4 Rh4 45.Kg3 Kg5 46.Kf3 h5 47.e4 Kf6 48.d5 e5 49.Ke3= Kg5 50.Kd3 Rf4 51.Rh3 h4 52.Rh1 Rf3 53.Ke2 Ra3 54.d6 Ra8 55.d7 Rd8 56.Rg1 Kf4 57.Rh1 Kg5 58.Rg1 Kh6 59.Rg4 Kh5 60.Rg7 h3 61.Kf3 Kh6 62.Re7 Rg8 63.Re6+- Kh7 64.Re5 Rd8?? 65.Re7 Kg6 66.e5 Ra8 67.Kg3 Ra3 68.Kh2 Rd3 69.Re6 (69.Re6 Kf5 70.Rd6+-) 1–0. Gora,Jan (1960) – Lewicki,Miroslaw (2205), Indywidualne Mistrzostwa Polski Juniorow Poland, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 Nf5 9.Bd3 0-0 10.Qg4 d5 11.Nf3 dc4 12.Qc4 Nc6 13.Be4 a5 14.0-0 Bd7 (worse is 14...Bd2 15.Bf5 ef5 16.Rfd1+-) 15.d4 Nh4 16.Qd3 Nf3 17.Qf3 Rc8 18.Rad1 Qe7 19.Nc4 f5 20.ef6 Rf6 (worse is 20...Qf6 21.Qh3 g6 22.d5+/-) 21.Qd3 Rh6 22.g3 Bd6 23.Bc1 Nb4 24.Qe2 Bb5 25.Bh6 Bc4 26.Qg4 Bf1 27.Rf1 Re8 28.Ra1 b6 29.h4 Nd5 30.Bg5 Qf7 31.Bd3 Rf8 32.Rf1 a4 33.Qe4 g6 34.f4 a3 35.h5 a2 36.Ra1 Nc3 37.Qc6 ½–½. Carmeille,Ludovic (2295) – Langheinrich,Ferenc (2420), Oberliga Ost–B, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 Ng6 9.Nc2 Be7 10.Qh5 Nc6 11.Bc3 b6 12.Nh3 Bb7 13.f4 d6 14.f5 ef5 15.e6 0-0 16.Qf5 fe6 17.Qe6 Kh8 18.0-0-0? (better is 18.d4-+) 18...Nce5 19.c5 bc5 20.Ne3 Rb8 21.Be2 Bc8 22.Qa2 Bh3 23.gh3 Nf4 24.Bf1 Nfd3 25.Bd3 Nd3 26.Kc2 Rb2! 27.Qb2 (27.Bb2 Nb4 Double attack) 27...Nb2 28.Bb2 Bf6 29.Rhf1 Bb2 30.Rf8 Qf8 31.Kb2 Qf6 32.Kc2 h6 33.Rf1 Qe7 34.Kd3 Qh4 35.Rf3 d5! 36.Ke2 (36.Nd5 Qd4 Double attack) 36...Qe4 37.Kf2 a5 38.Rf8 Kh7 39.Nf5 (39.Rf3 a4 40.Nf1 Qd4 41.Ke2 Qc4 42.Kf2 Qb4-+) 39...Qf4 40.Ke1 g6 (40...g6 41.Rf7 Kg8 42.Rg7 Kf8 43.Rg6 Qf5-+) 0–1. Lind,Jan Olov (2215) – Eriksson,Johan (2420), SWE–chB Gothenburg, 2005. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 Ng6 9.h4 Nc6 10.h5=+ Nge5 11.f4= Qb6 12.Be5+= Ne5 13.fe5 Qe3 14.Be2 Qg3 15.Kf1+= Qe5 16.Nf3 Qf6 17.Nb5+/- 0-0 18.Ra4 a5+= 19.Qa1 Qa1= 20.Ra1 d6 21.Kf2 Bd7 22.Rhb1 Rac8 23.Rb4+= ab4 24.Nd6 Rc6 25.Nb5 Rc5 26.Rb1 Bb5 27.cb5 Rh5 28.Rb4 Rd8 29.Ra4 Kf8 30.d4 Rh1 31.Rc4 Rb1 32.Rc7+/- b6 33.Rc6 Rb8 34.Ne5 Rb7 35.Rc8+- Ke7 36.Bf3 Rd7 37.Nd7 Kd7 38.Rc2 Ke7 39.Bc6 Kd6? 40.Ra2 Rb4 41.Ke3 e5 42.Rd2 Rb3 43.Ke4 Rb4+/- 44.Ke3 Rb3 45.Rd3 Rd3+/- 46.Kd3 f5 47.de5 Ke5 48.Ke3 g5 49.Kf3 h5 50.Be8 h4+= 51.Bc6 Kd4 52.Bd7 Ke5 53.Ke3 g4 54.Bc8+- g3 55.Kf3 f4 56.Kg4 Ke4 57.Bb7 (57.Bb7 Kd4 58.Kf4+-) 1–0. Kvisla,J (2025) – Thurlow,K (2095), Classics GMB, Gausdal NOR, 2006.

    8.Na3 Ng6 9.h4 h6 10.h5 Ne7 11.Qg4 0-0 12.Bd3 Nf5 13.Nf3 Nc6 14.Qe4 d5-/+ 15.ed6 Bd6 16.g4+= Re8 17.Kf1 Be7 18.gf5 ef5 19.Qd5 Qb6 20.Qb5 Qd8 21.Qd5 Qb6-/+ 22.Qb5 Qd8 ½–½. Andersen,Jens (2085) – Grabner,Helmut (2375), 66th European Individual Championship, 2005.

    8.Nc3 0-0 9.Ne4 Nbc6 10.Qh5 Ng6 11.Nf3 h6 12.c5 Nce7 13.g3 b6-/+ 14.Bd3 Bb7 15.0-0 Be4 16.Be4= Rc8 17.cb6 ab6 18.Ra4 Ba5 19.Rfa1 Nc6 20.Ba3 b5 21.Bf8 ba4 22.Bd6 Bc7 23.Ra4 Bd6 24.ed6 Qf8 25.Kg2 Nh8 26.Qc5 f5 27.Bd3 Nf7 28.g4? Nce5 29.Qb5 Nf3 30.Kf3 fg4 31.Kg2 Qd6 32.Rg4 Ne5 33.Rg3 Qc6 34.Kh3 Qb5 35.Bb5 Rc5 36.Rb3 Rd5 37.d3 Rd4 38.Kg2 Kf7 39.h3 Ke7 40.Kg3 g5 41.Ra3 h5 42.Ba6 h4 43.Kg2 Ng6 44.Bb7 Nf4 45.Kf3 Rd3 46.Rd3 Nd3 47.Ke3 Nf4 0–1. Wagner,Stev (2120) – Jansa,Vl (2490), Kaupthing Open, Differdange LUX, 2007.

    8.Nc3 Bc3 9.Bc3 Nbc6 10.Nh3 Ng6 11.d4 d5 12.c5 0-0 13.Bd3 Qh4 14.0-0 f5 15.f4 h6 16.Be1 Qd8 17.Be2 Bd7 18.Rf3 b6 19.Rc3 bc5 20.Rc5 Rb8 21.Ra6 Nge7 22.Nf2 Rb7 23.Qa1 Qb8 24.Rc1 Rc8 25.Nd3 Rd8 26.Nc5 Rb6 27.Ra3 Bc8 28.Bh4 Rb2 29.Bd1 Qb4 30.Ra4?? (better is 30.Nb3 g5 31.Qb2 gh4 32.Kf2+-) 30...Qd2-+ 31.Bf3 Nd4 32.Rd4 Qd4 33.Kh1 Re8?? (better is 33...g5!? 34.Nb3 Qb4 35.Qb2 gh4-+) 34.Be7 Re7-/+ 35.Nb3? Qf2-+ 36.Rc8 Kh7 37.Na5 Qb6 38.Rc1 Rc7 39.Rd1? Rc5 40.h3 Ra5 41.Qc1 Rc5 42.Qe3 Rcc2 43.Qa3 Rb1 44.Kh2 Rd1 45.Bd1 Rd2 46.Bf3 Rd4 47.Kg3 Rb4 48.Qc3 Qd4 49.Qc1 Rc4 50.Qb1 Qf4 51.Kf2 Rb4 52.Qa1 Qd4 (52...Qd4 53.Qd4 Rd4-+) 0–1. Huettemann,Ralf (1945) – Grom,Waldemar (2005), Feffernitz Raika op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Bd3 d6-/+ 9.Be4 (9.Nf3 de5 10.Ne5 Nbc6 11.Nc6 Nc6-/+) 9...d5 (9...de5!? 10.Nf3 f6-+) 10.cd5+= Nd5 (10...ed5 11.Bc2+=) 11.Qg4 0-0 12.Nf3 Be7 13.Bd5 (13.0-0 Nd7+=) 13...Qd5 (13...ed5!? 14.Qg3 Nc6-/+) 14.Nc3 (14.0-0 b5 15.Nc3 Qd3+=) 14...Qd3 15.Ne4 (15.Ba3 Nc6+=) 15...Kh8 (15...Nc6 16.Nf6 Kh8 17.Bc3-+) 16.h4 b5 (16...Nc6 17.Rh3+=) 17.Rh3 (17.Nd6 Nc6 18.Ng5 Bd6 19.ed6 e5+= (19...Qd6?? 20.Bg7 Kg8 21.Bf6+-)) 17...Qc2 (17...Qb3 18.Rg3 g6-/+) 18.Bd4? (18.Bc3 Nc6 19.h5 b4+=) 18...Bb7 (better is 18...Nc6 19.Nd6 b4-/+) 19.Rg3?? (better is 19.Nd6 Bd5 20.Rg3+=) 19...Qe4-+ 20.Qe4 Be4 21.Ng5 Bg5 (21...Bd5 22.Rc3-+) 22.hg5 (22.Rg5 Nc6 23.Bb2 b4-+) 22...Nc6 23.Bc5 (23.Bb2 a5-+) 23...Rfc8 24.Rc1 (24.Bd6 b4 25.d3 Bf5-+) 24...b4 (24...Ne5 25.Ke2-+) 25.Rc4 Bd3! 26.Rf4 (26.Rd3 Ne5 Double attack (26...Ne5 Decoy)) 26...b3 (better is 26...Ne5 27.Rb4 Rc5 28.f4-+) 27.Ba3 (27.Rd3 b2 28.Rb3 Rab8 29.Rb2 Rb2-+) 27...Ne5 28.Bb2 (28.g6 f6 29.Rd4-+) 28...Nc4 (28...Nc4 29.Rd3 Rab8-+) 0–1. Barahona Torrijos,Angel (1845) – Soto Martin,Miguel (1655), Madrid ESP, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Be2 0-0 9.Nf3 b6 10.0-0 Bb7 11.d4 d5 12.ed6 Bd6 13.Nc3 Nd7 14.Nb5 Bb8 15.Ba3 Nf6 16.Qb1 (16.Ne5 a6 17.Bf3 Ne4-/+) 16...a6 17.Qb4 (17.Nc3 Qc7 18.Rd1 Re8 19.Be7 Re7-/+ (19...Qe7?! 20.Qb6 Bc7 21.Qb3=)) 17...ab5 (better 17...Re8 18.Nc3 Nc6-+) 18.Qe7=+ Qe7 19.Be7 Re8 20.Bf6 gf6 21.Ra8 Ba8 22.c5? (22.cb5 Rc8=) 22...Rd8 (22...bc5 23.Bb5 Rc8 24.Ba6-/+) 23.Rc1 (23.Ra1 Bb7=+) 23...Bf4 (23...bc5 24.dc5 Bc6 25.Ne1-/+) 24.Ra1 (24.Rb1 bc5 25.dc5 Bc6-/+) 24...Bf3 (24...bc5!? 25.dc5 b4-/+) 25.Bf3=+ Rd4 (25...bc5 26.dc5 b4=+) 26.g3?? (26.Ra8 Kg7 27.cb6 Rd6+=) 26...Be5?? (better 26...Ra4 27.Rd1 bc5 28.gf4 Rf4-/+) 27.Ra7?? (better 27.Ra8!? Kg7 28.cb6+=) 27...Rd8?? (better 27...bc5!? 28.Bh5 Rd6 29.Bf7 Kf8-+) 28.Bh5 (28.c6 b4=+) 28...Rf8 (better 28...bc5 29.Bf7 Kf8 30.Be6 h6-/+) 29.Rd7?? (better 29.cb6 b4 30.Ra4=+) 29...Kg7 (better 29...bc5 30.Kf1 b4-+) 30.f4 (30.cb6 b4 31.f4=) 30...Bc3?? (better 30...bc5 31.fe5 fe5=+) 31.Kf2?? (31.c6 Rc8 32.c7 b4 33.Bf7 f5+-) 31...e5?? (31...bc5 32.Be2 Bd4 33.Kg2-+) 32.f5?? (better 32.c6 ef4 33.gf4+-) 32...Kh6 (32...bc5 33.Bf3-+) 33.Bf7 (33.Be2 bc5 34.Bb5 Rb8-+) 33...Bd4 34.Kf3 Ra8?? (34...bc5 35.Be6-+) 35.Kg4?? (35.c6 b4 36.c7 Rc8+-) 35...Bg1?? (35...bc5 36.Bd5 Rf8 37.Kf3-+) 36.h4?? (36.c6 b4 37.c7+-) 36...Bc5 (better 36...bc5!? 37.Bd5 Rf8-+) 37.Kh3 Be3 38.Kg4 (better 38.Bd5 Rf8 39.Kg2-/+) 38...Bc5 39.Kh3 Bf2 40.Kg2 ½-½. Bergmann,Reiner (1820) - Schleich,T (2000), 8th Arber Open, 2019. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Nf3 Nbc6 9.Nc3 d6 (9...0-0 10.Be2=+) 10.ed6 Bd6 11.Ne4 (11.Bd3 0-0=+) 11...0-0=+ 12.Qc2 White prepares c5 (better 12.Be2=+) 12...f5 (better 12...Bb4!?=+) 13.Qc3+= e5 (13...Rf7 14.Nd6 Qd6 15.d4+=) 14.Nd6 Qd6 15.c5 Qf6 (15...Qh6 16.Ne5 Be6 17.Bb5+=) 16.Bc4 (16.Ne5 Re8 17.f4 Nd5+=) 16...Be6= 17.Ne5 Ne5 18.Be6 Qe6 19.Qe5 Qe5 20.Be5 Nc6 21.Bc3 Rad8 22.0-0-0 (22.0-0 Rd5 23.Rfb1 Rb8=) 22...Rd5=+ 23.d4 Rfd8 24.Rhe1 (24.Kc2 Nd4 25.Bd4 Rd4 26.Rd4 Rd4=+) 24...Kf7 25.g4? (better 25.Kc2 Nd4 26.Bd4 Rd4 27.Rd4 Rd4 28.Ra1=+) 25…Nd4-+ 0–1. Fegan,Chris (2050) – Zilberman,Yaacov (2430), World Senior Teams +50, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Nf3 Ng6 9.h4 h6 10.h5 Ne7 11.Bd3 Nbc6 12.Qe2 Bc5 13.Nc3 Nd4 14.Nd4 Bd4 15.Rb1 Qa5 16.Nb5+= Bb2 17.Nd6 Kf8 18.Rb2 Nc6 19.f4 Qa1 20.Rb1 Qd4 21.Rf1 a5 22.Nb5 Qc5 23.Be4 a4 24.f5 Qe5-+ 25.fe6 de6 26.Qe3 a3 27.d4 Qg5 28.Qf3 f5 29.g4 a2 30.Ra1 Kg8 31.gf5 ef5=+ 32.Bc6? bc6-+ 33.Qc6?! Kh7 34.Qa8?? Qe3-+ 35.Kd1 Qd3 36.Kc1 Qf1 37.Kb2 Qc4 38.Nc3 Qb4 39.Kc2 Bb7 40.Qa2 Rc8 41.Qb3 Qd4 42.Rd1 Rc3! 43.Qc3 Be4 (43...Be4 44.Rd3 Qc3 (< 44...Qd3 45.Qd3 g5 46.hg6 Kg6 47.Kd2 Bd3 48.Kd3-+; < 44...Bd3 45.Qd3 Qd3 46.Kd3-+) 45.Kc3 Bd3-+) 0–1. Rusan,P (2325) – Manolache,M (2465), TCh–ROM A, Tusnad ROM, 2005.

    8.f4 Nbc6 9.Na3 Ng6 10.g3 0-0 11.Nc2 Be7 12.h4 d5 13.Nf3 dc4 14.h5 Nh8 15.Bc4 b6 16.g4 Bb7 17.g5 Na5 18.Be2 Nb3 19.Rb1 Nc5 20.d4 Ne4 21.Rg1 Rc8 22.Bd3 Nc3 23.Bc3 Rc3 24.Qe2 Qc7 25.Rb2 Bd5 26.Nd2 a5 27.Nb1 a4 28.Ne3 Rc1 29.Kf2 Rg1 30.Kg1 Qc1 31.Kf2 a3 32.Na3 Ba3-+ 33.Rb6 Qh1 34.Bc4? Bc4 35.Nc4 Qh2 36.Ke1 Qg1 37.Qf1 Qd4 38.Rd6 Bd6 39.ed6 Rd8 (39...Rd8 40.Nd2 Rd6-+) 0–1. Lazarus,Simon – Komut,K (1795), WYb14 Kemer TUR (11), 2007.

    8.Qg4 b6 9.Nf3 (9.Qg7 Ng6+=) 9...Bb7 (9...Ng6 10.Na3=) 10.Nc3 (10.Qg7 Ng6 11.Ba3=) 10...Na6 (better is 10...Bf3!? 11.gf3 Ng6+=) 11.Qg7+/- Rg8 (11...Rf8!?+/-) 12.Qh7 Bc3 13.Bc3 (13.dc3?! Nc5 14.Nd4 A) 14...Bg2? 15.Nb5 d5 16.Rg1 Bf1 17.Rg8 (17.Kf1?! Rg1 18.Kg1 Kd7+=) 17...Ng8 18.Qg8 (18.Kf1?! Ne7 19.cd5 ed5+-) 18...Ke7 19.Qd8 Kd8 20.Kf1+-; B) 14...Qb8=) 13...Nc5 14.d4 Be4 15.Qh4 Bf3 16.gf3 Nb7 17.Qh7 (17.Bd3 d6 18.f4 Na5+-) 17...a5 (17...Qc7 18.Kd2 Na5 19.Ba5 ba5 20.Bd3+/-) 18.Bb2 d6 19.c5! dc5 (19...bc5 20.Bb5 Double attack; 19...dc5 20.Bb5 Double attack) 20.Bb5 Kf8 21.Rd1 Nd5? (21...Qd5 22.Qh6 Rg7+-) 22.Bc1+- Nc3?? (better is 22...Rg6 23.Bd3 Rg8+-) 23.Qh6 (23.Qh6 Rg7 24.Qh8 Ke7 25.Qg7 Nb5 26.Bg5 Ke8 27.Qg8 Kd7 28.dc5 Kc6 29.Bd8 Rd8 30.Rd8 Nd8 31.Qd8+-) 1–0. Ayza Leon,David (2195) – Varga,Mariano (2080), Benidorm ESP, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Qg4 Qb6 9.Nc3 Kf8 10.Bd3 Nbc6 11.Nf3 h5 12.Qf4 Nf5 13.Bf5 ef5 14.Nd5 Qc5 15.Qg5 (15.Qf5?! Qc4 16.Nb6 Qg4 17.Qg4 hg4 18.Na8 gf3 19.gf3 d6+=) 15...d6 16.0-0 Be6 17.d4 Qc4 18.Nb6 Qb3 19.Na8 Bd5? (19...Qb2 20.Ra7 Kg8 21.Rb7+-) 20.Qf5 (20.Nc7 Bf3 21.Ra7 Qa4 22.Ra4 Ba5 23.Ra5 Kg8 24.Ra8 Nd8 25.Rd8 Kh7 26.Qf5 g6 27.Qf7 Kh6 28.Bc1 g5 29.Rh8) 20...Bf3 (20...Ke7 21.ed6 Kd6 22.Qf4 Kd7 23.Qc7 Ke8 24.Rfe1 Be6 25.Qb7 Be1 26.Qc6 Kf8 27.Ba3 Bb4+-) 21.Qc8 (21.Qf3?! Qb2 22.e6 f6+-; worse is 21.gf3 Qe6 22.Qd3 Rh6+-) 21...Ke7 22.ed6 Bd6 23.Qh8 Kf6 (23...Qb2 24.Rfe1 Kf6 25.gf3 Qd4 26.Qh5+-) 24.gf3 (better is 24.Rfb1 Qd5 25.gf3 Kg6+-) 24...Qf3 (24...Qb2 25.Rfd1 Bh2 26.Kg2 Bf4+-) 25.d5 Kf5 (25...Be5 26.Be5 Ne5 27.Qd8 (27.Ra7?! Qg4 28.Kh1 Qf3 29.Kg1 Qg4 30.Kh1 Qf3 31.Kg1=) 27...Kg6 28.Qd6 f6 29.Qe6+-) 26.Qg7 Ne5 27.Rfe1 f6 28.Be5 Be5 29.Re5! (29.Re5 Ke5 30.Re1 Kd4 31.d6+- (31.Qb7?! Qg4 32.Kf1 Qh3 33.Kg1 Qg4 34.Kh1 Qf3 35.Kg1 Qg4=)) 1–0. Webb,Matthew (2035) – Jackson,James P (2090), BCF–chT3, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Qh5 Nbc6 9.Nf3 Ng6 10.Na3 Qb6 11.Nb5 a6 12.Bc3 Rb8 (12...Bc3 13.dc3 Kf8-/+) 13.Nd6= Bd6 14.ed6 Nb4 (better 14...e5!?=) 15.Kd1+- Na2? (15...e5 16.Ne5 Qc5+- (16...Qd6?? 17.Ng6 fg6 18.Qe2 Qe6 19.Bb4+-)) 16.Bg7+- Qb3 17.Ke1 Nb4 18.Nd4 (18.Bh8?? Nc2 19.Kd1 Na1 20.Ke1 Nc2 21.Kd1 Nd4 22.Ke1 Qb1) 18...Nd3 19.Bd3 Qd3 20.h4 (better 20.Bh8!? Nh8 21.Ne2+-) 20...Qe4+- 21.Kf1 Nf4 22.Qg5 f6 23.Bf6 Rf8 24.Be5 Ng6 (24...Rf7 25.Re1 Qd3 26.Kg1 b5 (26...Qc4 27.Qg8 Rf8 28.Qh7+-) 27.cb5 ab5+-) 25.Re1+- Qd3 26.Kg1 Rf7 (26...h6 27.Qh6 Ne5 28.Re5+-) 27.Rh3 Qc4 28.Rc3 Qd5 29.Rec1 Rf5 (29...Rf2 30.Rc8 Rc8 31.Rc8 Kf7+-) 30.Nf5 Qe5 31.Rc8 (31.Rc8 Kf7 32.Nh6 Kg7 33.Rb8 Qg5 34.hg5 Ne7 35.de7 Kg6 36.Rg8 Kh5 37.e8Q Kh4 38.Rc4) 1–0. Sapegin,V (2200) – Mokshanova,Elizaveta (2045), Yaroslav the Wise Open, 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    8.Na3 0-0

    9.Nb5 Nbc6-/+ 10.Nf3 d5 11.ed6 Bd6 12.Be2 Bb8 13.d4 b6 14.0-0 Bb7 15.Rb1 a6 16.Nc3 Na5 17.Qd3 Re8 18.Ba3 Bc7 19.Rfd1 Ng6 20.g3 Rc8 21.Nd2 f5 22.d5 Ne5 23.Qc2 Bd6 24.Bd6 Qd6 25.Qa2 Qc7 26.de6= Qc5 27.e7 Re7 28.Nd5 Re6 29.Nb6 Rce8 30.Nd5 Ng4 31.Bg4 fg4 32.Nf4 R6e7 33.Qa4=+ g5 34.Nd5? Bd5-/+ 35.cd5 Re2 36.Rf1 Qd5 37.Rbd1 Rf8 38.Nc4 Qc4 39.Qa5 Qb5 40.Qc7 ½–½. Warzecha,Helmut (2275) – Hahner,Anton (2375), RSS7E pro–121, 2010.

    9.Nc2 Ba5 10.Bd3 Nbc6 11.Ra3 Ng6 12.Nh3 Bc7 13.Qh5 Be5 14.Ng5 h6 15.Nf7 Rf7 16.Bg6 Rf6 17.d4 Bd6 18.c5 Bc7 19.0-0 d5 20.Ne3 Rf4 21.g3 Rf8 22.h4 Bd7 23.Bb1 Be8 24.Qe2 Ne7 25.Ng2 Qd7 26.h5 Rf6 27.g4 Nc6 28.f4 Bf7 29.g5 hg5 30.fg5 Rf1 31.Kf1 Rf8 32.Kg1 e5 33.de5 Qe7 34.Qc2= Rd8?? 35.Qh7+- Kf8 36.Qh8 Bg8 37.Rf3 Ke8 38.Qg8 (38.Qg8 Qf8 39.Qf8 Kd7 40.Bf5) 1–0. Parpinel,Marc (2165) – Gianfelici,E (2000), XXI Festival Open A, Porto San Giorgio, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 0-0)

    9.Nc2 Ba5 10.Bd3 Nbc6 11.Nh3 Ng6 (better 11...d6!?-/+) 12.Qh5= Nce7 13.Ng5 (13.Bd4 h6=) 13...h6=+ 14.Ne4 Nf5 15.g3 (15.0-0 Bc7 16.f4 d5 17.ed6 Bd6 18.Nd6 Qd6 (18...Nd6?! 19.Ba3=) 19.Bf5 ef5=+) 15...Bc7 16.f4 b6 (16...d6 17.ed6 Bd6 18.Nd6 Qd6 19.Be4=+) 17.0-0 Bb7 18.Nf6? (18.Ba3 Nge7 19.g4+=) 18...gf6-+ 19.Bf5 ef5 20.ef6 Kh7 21.Ne3 Be4 22.d3 (22.Nf5 Bf5 23.Qf5 d5 24.cd5 a5-+) 22...Bd3 23.Rad1 Be4 24.Rd4 Rg8 25.Re4?? (25.Nf5 Bf5 26.Qf5-+) 25...fe4 26.Ng4 Qf8 27.f5 Ne5! Medvedyk,Vasyl (2025) – Zozulia,Anna (2320), Olkhovskiy Memorial Rapid, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 0-0)

    9.Nc2 Ba5 10.Qh5 Nbc6 11.Nf3 Qe8 12.Qg4 Bc7=+ 13.Bd3 Ng6 14.h4 d6 15.ed6 Bd6 16.h5?? f5-+ 17.hg6 fg4 18.gh7 Kh8 19.Nh4 Ne7 20.Ra5 Nf5 21.Ne3 Nh4 22.Rh4 e5 23.Rd5 Qe7 24.g3 Be6 25.Rb5 a6 26.Rb6 Qc7 27.Rb3 b5! 28.Be4 Rab8 29.Ng4 bc4 30.Rb8 Qb8 31.Bc3 Bg4 32.Rg4 Bb4 33.Ba1 Qd6 (33...Qd6 34.Bc3 Bc3 35.dc3 Qc5-+) 0–1. Germer,P (2100) – Milov,L (2500), 21st Schachtage, 2006.

    9.Nc2 Ba5 10.Qh5 Nbc6 11.Nf3 Nf5 12.Ba3 g6 13.Qh3 d6 14.g4 Re8 15.gf5 ef5 16.0-0-0 de5 17.Qh6 Qf6 18.h4 Qg7 19.Qg5 Bd8 20.Qe3 f4 21.Qb3 Bg4 22.Bh3 Bh3 23.Qb7 Rc8 24.Rh3 Bb6 25.c5 Na5 26.Qd5 Bc5 27.Ng5 Red8 28.Qa2 Ba3 29.Ra3 Nc6 30.Rc3 Nd4 31.Re1 h6 32.Ne4 Kh8 33.Nd6 Rc3 34.Nf7 Qf7 35.Qf7 Rc2 36.Kd1 Rdc8 37.Qf6 Kh7 38.Qf7 Kh8 39.Qf6 Kh7 ½–½. De Baenst,Bruno (2215) – Piceu,Tom (2310), Gent VSF–chA, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 0-0)

    9.Nc2 Bc5 10.d4 Bb6 11.Bd3 Ba5 12.Kf1 g6 13.h4 d5 14.ed6 Nf5 15.h5 Qf6 (better is 15...Nd6!? 16.hg6 fg6= (16...hg6? 17.d5 f5 18.Qe2+-)) 16.Bf5 (16.Ra5?! Ng3 17.Ke1 Nh1=) 16...Qf5 17.Ne3 Qg5 18.hg6 fg6 19.Nf3 Qd8 20.Ng4 (20.Ng4 e5 21.Nh6 Kg7 22.d5+- (22.de5?! Be6+-)) 1–0. Rodrigues,Emmanuel (2100) – Gruet,Gabriel (2085), FRA–chT2, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 0-0)

    9.Nc2 Nbc6 10.Nb4 Nb4 11.Ba3 Nec6 12.Nf3 d6 13.Qb1 a5 14.d4 de5 15.de5 b6 16.Be2 Bb7 17.0-0 Nd4 18.Nd4 Qd4 19.Bb4 ab4 20.Ra8 Ra8 21.Qb4 Qe5 22.Qb6 Bg2 (22...Qe2?! 23.Qb7 Rd8 24.Qc7=) 23.Rd1 Bd5 24.cd5 Qe2 25.Qb3 ed5 26.Qd5 Qg4 27.Kf1 Re8 28.Rd3 g6 29.h3 Qe4 30.Qe4 Re4 31.Kg2 Rb4 32.Ra3 h6 33.Rc3 Kg7 34.Ra3 g5 35.Ra7 Kg6 36.Ra6 f6 37.Ra5 Rb6 38.Ra3 f5 39.Ra5 f4 40.Ra3 Kh5 41.Rc3 Kh4 42.Ra3 Rb2 43.Ra6 h5 44.Ra3 g4 45.hg4 Kg4 46.Rc3 h4 47.Ra3 Rc2 ½–½. Marques,Antonio Carlos G (2075) – Deschamp,Guy (2370), CFriend SH–2004–0-00025 email, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 0-0)

    9.Nc2 Nbc6 10.Nb4 Nb4 11.Ra4 a5 12.Bc3 Nec6 13.d4 d5 14.ed6 Qd6 15.Bd3 (15.Nf3 Rd8-/+) 15...Bd7 16.Bb1 e5 17.d5 Nd4 18.Bb4 ab4 19.Ra8 Ra8 20.Ne2 Ne2 21.Qe2 g6 (21...b5!? 22.0-0 bc4 23.Qc4 Rb8-/+) 22.0-0+= Ra3 23.Re1 Rc3 24.h3 b3 25.Kh2 e4 26.g3 f5 27.Qb2 Rc4 28.Qb3 Qb4 (28...Qd5?! 29.Rd1 Qc5 30.Rd7 Qf2 31.Kh1 Qf1 32.Kh2 Qf2 33.Kh1 Qf1 34.Kh2 Qf2=) 29.Qe3 Rc3 30.Qg5 Qd6 31.Qd8 Kg7 32.Be4 (32.Qa5!? Ra3 33.Qd2-+) 32...Rc8 33.Qg5 Re8 0–1. Ojer Lora,I (2050) – Fedorchuk,S (2655), III Deportiva San Juan Open, Pamplona E, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Nc2 Nbc6 10.Nf3 d5 11.h4 a5 12.h5 h6 13.Rh4 Bc5 14.d4 Nf5 15.Rf4 Bb4 16.Nb4= Nb4 17.Bc3 Bd7 18.Rb1 dc4-/+ 19.Bc4 Ne7 20.Bb4= ab4 21.Qd2 Qc7 (21...Qc7 22.Qb4 Ra4 23.Qe7 Rc4=+). Meissen,Frank (2495) – Boehme,Sebastian (2525), RSS7E top–22, 2008.

    9.Qg4 Nbc6 10.Nf3 Ng6 11.h4 d6 12.ed6 Qd6 13.Qe4 Rd8 14.Nb1 f6 15.Be2 Nf4 16.g4 f5 17.Qc2 Ne2 18.Ke2 Qf4 19.g5 b6 20.g6 h6 21.Rh3 Bb7 22.d3 Nd4! 23.Bd4 Bf3 24.Rf3 Qd4 25.Ra4 a5 26.Qc1 Rac8 27.Qe3 Qd6 28.Nd2 e5 29.h5? Bc5 30.d4 Bd4 31.Qb3 Bc5 32.Qc2 Rf8 33.Qd3 e4 34.Ne4 fe4 35.Rf8 Qf8 36.Qg3 Rd8 37.Ra1 Bf2! 38.Qg4 e3 39.Qe6 Kh8 40.Rd1 Rd1 41.Kd1 a4 42.Ke2 Qd8 43.Qc6 a3 44.Qa4 Qf8 45.c5 bc5 46.Qa7 Qc8 47.Kd1 c4 48.Qe7 Qb8 49.Qe6 c3 50.Qc6 Qb3 51.Ke2 0–1. Kairov,Batyr – Ivakhinova,I (2215), Open, Moscow RUS, 2007.

    8.Na3 a6

    9.Nb5 A) 9...Nbc6 10.Nd6 (10.Nf3 0-0 11.Bd3 Ng6 12.0-0 Rb8 13.Qb3 Bc5) 10...Bd6 11.ed6 Nf5 12.Bd3 0-0 13.Nf3 Nd6; B) 9...Nf5 10.Nf3 (10.Bd3 Nc6 11.Nf3 0-0 12.Qb1 g6 13.0-0 Nh4) 10...0-0 11.Bd3 Nc6 12.0-0 d6 13.Bf5 ef5; C) 9...0-0 10.Nf3 (10.Bd3 Nbc6 11.Nf3 Ng6 12.0-0 Rb8 13.Qb3 Qe7) 10...Nbc6 11.Bd3 Ng6 12.0-0 Rb8 13.Qb3 Qe7.

    9.Qc2 A) 9...Ng6 10.Nb5 (10.Nf3 b6 11.Qe4 Nc6 12.h4 h5 13.Nb5 Bb7) 10...Nc6 11.Nf3 Qb6 12.h4 Rb8 13.Nd6 Kf8; B) 9...Nf5 10.Be2 (10.Nf3 Nc6 11.Bd3 0-0 12.0-0 d6 13.ed6 Qd6) 10...b6 11.Nf3 Nc6 12.0-0 0-0 13.Qb3 Bb7; C) 9...Nbc6 10.Nf3 (10.Nb5 Nf5 11.c5 0-0 12.Nf3 b6 13.g4 Nh6) 10...Qb6 11.Nb5 Ng6 12.Nd6 Kf8 13.Rc1 Kg8.

    9.Nc2 Ba5 10.Ba3 Nbc6 11.Nf3 Ng6 12.Be2 (better 12.Bd6!?=+) 12...Nce5-/+ 13.Ne5 Ne5 14.0-0 Bc7 15.d4 Ng6 16.d5 Be5 17.Nd4 (17.Rb1-+) 17...Qh4 (better 17...ed5 18.Re1 dc4 19.Bc4 d6-+) 18.Nf3=+ Qf6 19.Ne5 Qe5 20.Bf3 Nh4 21.Re1 Nf3 22.Qf3 Qf6 23.Qe4 a5 24.Rab1 (24.Bd6 Ra6 25.c5 b6=) 24...Ra6 25.de6 Re6 (better 25...fe6!? 26.Qd3 a4-/+) 26.Qd5= The backward pawn on b7 becomes a target 26...b6 27.Qa8 (27.Re6 fe6 28.Qd1 d5 29.Rb6 Qc3=) 27...Kd8=+ 28.c5 (28.Re6 Qe6 (worse 28...de6 29.Rd1 Qd4 30.Rd4 Kc7 31.Bd6 Kd7 32.Qa7 Bb7 33.Qb7 Kd8 34.Qc7 Ke8 35.Qe7) 29.Bc5 Re8=+ (worse 29...bc5 30.Qa5 Ke7 31.Re1+=)) 28...Re1 (28...Rhe8!? 29.Rf1 Qg6 30.Rb6 Rb6 31.cb6 Qb6=) 29.Re1= Qc3 30.Qe4 Qa3?? (better 30...bc5 31.Qe7 Kc7 32.Bc5 Qd2+-) 31.Qe7+- (31.Qe7 Kc7 32.cb6 Kb7 33.Qa3+-) 1–0. Barahona Torrijos,Angel (1780) – Sierra Bermejo,Gregorio (1605), 24th Torneo San Viator, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 a6)

    9.Nc2 Ba5 10.Qg4 Ng6 11.Nf3 =.

    9.Nc2 Bc5 10.d4= Bb6 11.Bd3 0-0 12.Qh5 g6 13.Qh6 Kh8 14.Nf3 Ng8 15.Qh3 h6 (15...Ba5!? 16.Kd1 Nc6+=) 16.0-0+/- Nc6 17.d5 Nce7 18.d6 Nc6 19.Ne3 Be3 20.fe3 Kg7 21.Rf2 h5 (21...Qb6 22.Nd4+/-) 22.Qg3 Nh6 23.Nh4 Ng4 24.Rf6?? (better is 24.Re2 Kh7 25.Nf3+/-) 24...Qb6-/+ (24...Nf6 25.ef6 Kh7 26.Ng6 Rg8 27.Ne7 Rg6 28.Bg6 Kh8 29.Be4 Qf8 30.Qg7 Qg7 31.fg7) 25.Ng6? (25.Raf1 Qb2 26.Ng6 Nce5 27.Nf8-+) 25...Qb2-+ 26.Raf1 Nce5 27.Nf8 Kf8?? 28.Qh4+/- Nf6 29.Qf6 Nf3 30.Qf3 Qg7 31.Qh5 a5 32.Qh4 f5 33.Bf5! ef5 34.Rf5 Kg8 35.Qd8 Kh7+- 36.Rh5 Kg6 37.Qe8 Qf7+- 38.Rh6!! Kh6 39.Qf7 Kg5 40.g3 (40.g3 Kg4 41.h3 Kg5 42.h4 Kh6 43.h5 b5 44.Qg6; 40.Qg7 Kf5 41.g4 Ke4 42.Qd4 Kf3 43.Kf1 b5 44.Qf4) 1–0. Gora,Jan (2000) – Gumularz,Szymon (1760), Cracovia Poland, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Bd3 Nbc6 (9...Ng6 10.Nf3+= (10.Bg6 fg6 11.Nc2 Be7 12.Nf3 0-0 13.0-0 Nc6) 10...Nf4 11.Be4 Ng2 12.Kf1 Nh4 13.Rg1 g6; 9...Qb6 10.Nb5 (10.Qb1 Bc5 11.Nb5 Ng6 12.Nh3 Nc6 13.Nd6 Kf8) 10...Bc5 11.Qb1 0-0 12.Nh3 Ng6 13.0-0 Nc6; 9...Bc5 10.Nh3 Nbc6 11.Nb5 Nf5 12.0-0 Rb8 13.Bf5 ab5) 10.Nc2 (10.Nf3!?= d5 11.ed6 Bd6 12.0-0 Bh2 13.Kh2 Qd3; 10.Nb5 Ng6 11.Bg6 fg6 12.Nf3 0-0 13.0-0 Rb8) 10...Bc5+= 11.Qe2 Ng6 (11...d6 12.Nf3 de5 13.Ne5 Ne5) 12.g3 (12.Bg6 hg6 13.Nf3 d5) 12...b6 (12...d6 13.ed6 0-0-/+) 13.Nf3= Bb7 (13...0-0=) 14.0-0 0-0 15.h4 (15.Be4 Qc7=) 15...Re8 (15...f5!?=) 16.Be4+= Qc7 (16...d5 17.ed6 e5 18.h5+=) 17.h5 (17.d4!? Be7 18.h5+-) 17...Nf8 18.d4 d5 19.cd5 (worse is 19.dc5 de4 20.Nd2 bc5+=) 19...ed5 20.Bd3 (20.Bf5 Be7 21.Ne3 Qd8+/-) 20...Be7 21.Ne3 Nb4 22.Rfc1 (22.h6 Nd3 23.Qd3 gh6+=) 22...Qd7+= 23.Bf5 (23.h6 Nd3 24.Qd3 gh6+=) 23...Ne6= 24.Ba3 Rec8 (24...h6 25.Bb4 Bb4 26.Qb2=) 25.Qb2 a5+= 26.Bb4 Bb4 27.Ng5 h6-/+ 28.Nf3 Rc1 29.Rc1 Rc8 30.Rc8 Qc8 31.Qb1 Qc6 32.Bh7 Kf8 33.Qf5 a4-+ 34.Bg6 Qe8 35.Qb1 Ba5 36.Bd3-/+ Qc6?? 37.Bb5+- Qc3 38.Qh7 Bc6 39.Nd5! Qc1 40.Kh2 Ke8 41.Qg8 Nf8 42.Nc7 Ke7 43.d5 Bb5 44.d6 Kd7 45.Qf7 Kc6 46.Qd5 Kd7 47.Qb5 Qc6+- 48.Nd4 Qb5+= 49.Ncb5 Ne6 50.Ne6 Ke6= 51.f4 Bb4 52.Nc7 Kd7-/+ 53.Nd5 Bc5 54.f5? Kc6?? 55.Nc3?? a3-+ 56.Kg2 Bd4 57.e6?? Bc3 58.d7 Kc7 59.g4 a2 60.g5 a1Q 61.f6 Bf6! (61...Bf6 62.gh6 gh6-+) 0–1. Chapman,Nigel (1740) – Kuchar,Tomas (1695), Novy Bor CZE, Open, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Nf3 A) 9...Nbc6 10.Nb5 (10.Bd3 d6 11.ed6 Bd6 12.0-0 Bh2 13.Kh2 Qd3) 10...0-0 11.Bd3 Ng6 12.0-0 Rb8 13.Qb3 Qe7; B) 9...0-0 10.Bd3 (10.Qc2 Nbc6 11.Bd3 Nf5 12.0-0 d6 13.ed6 Qd6) 10...Nbc6 11.0-0 d6 12.ed6 Qd6 13.Qc2 Nf5; C) 9...Ng6= 10.h4 (10.Nb5 Nc6 11.Nd6 Kf8 12.Qb3 Qe7 13.Ne4 a5) 10...Nc6 11.h5 Nge7 12.h6 gh6 13.Nb5 Qb6.

    8.Na3 Nbc6

    9.Nc2 d5 10.ed6 Bd6 11.Bg7 Rg8 12.Bc3 b6 (12...e5 13.d4 ed4 14.Nd4 Nd4 15.Qd4 Nc6 16.Qd3 Qe7+= –0.31) 13.d4 (13.Qh5 e5 14.Ne3 Ng6 15.Bd3 Bb7 16.Be4 Na5+= 0.31) 13...Qc7 (13...Bb7 14.Qh5 Ng6 15.d5 ed5 16.Qh7 Nce7+= 0.37) 14.Ne2 (14.Na3 Qd7 15.Nf3 Bb7 16.Rg1 h6= 0.06) 14...Bb7 15.Ng3 0-0-0 (15...Nd8 16.Qd3 Rg6= 0.03) 16.Ne4 (16.Qh5 Ng6+/- 0.72) 16...Nf5 (16...Be5= 0.19) 17.Nd6 Qd6 18.c5 (18.f3!?=) 18...bc5-/+ 19.Ba6? (better is 19.dc5 Qd1 20.Rd1 Rd1 21.Kd1 Rd8 22.Kc1-/+) 19...cd4 20.Bb7 Kb7 21.Ba5 (21.Rb1 Ka8 22.Bb4-+) 21...Qe5 22.Ne3 de3 23.Bd8 ef2 24.Kf2 Qe3 25.Kf1 Rd8 26.Qa4 Qd3 27.Kf2 Qd2 28.Kg1 Qe3 29.Kf1 Rd2 (29...Rd2 30.Qh4 Qe2 31.Kg1 Qg2) 0–1. Kors,Hans – Farrand,T (2255), 5th LCT Open A, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6)

    9.Nf3 0-0 10.Bd3 Ng6 11.0-0 d6 (11...Nf4 12.Be2-/+) 12.ed6 (12.Bg6!? fg6 13.Nc2=) 12...Bd6 13.Be4 Bd7 14.d4 a6 15.Qb3 Rc8 16.Rfd1 (16.Bg6 hg6 17.c5 Na5=) 16...Na5+= 17.Qc3 Ba4 18.d5 f6 19.de6 (19.Re1 Nb3 20.Rab1 b5 21.Bg6 hg6-/+) 19...Bd1-/+ 20.Rd1 Bh2 21.Kh2 (21.Nh2 Qd1 Discovered attack; 21.Kh2 Qc7 Double attack (21...Qd1 Discovered attack)) 21...Qd1 22.Qa5 Qd6 23.g3 Rc5 (23...Qe6?? 24.Bd5 Qf7 25.Bf7 Rf7 26.Qd5+-) 24.Qa4? (24.Qd2 Qe6 25.Bb7 Rh5 26.Kg1 Qh3 27.Bd5 Kh8-/+) 24...Nf4 (better is 24...Qe6 25.Bd5 Rd5 26.cd5 Qe2-+ (26...Qd5?! 27.Nd4-+)) 25.Qd7+= (25.Bb7 Rh5 (25...Ne6?! 26.Bd5-/+) 26.Nh4 Qb6-+) 25...Rh5 26.Kg1 Nh3 (26...Qe6!? 27.Bd5 Rd5 28.Qe6 Ne6 29.cd5 Nc7-/+) 27.Kf1 (27.Kg2!? Qd7 28.ed7+=) 27...Qd7+= 28.ed7 Rd8 29.Bb7 Rd7 30.Ba6 Rd3 31.Kg2 Ra5 32.Bc8+= Rb3 33.Bc1 Ng5 34.Ng5 fg5 35.Be6 Kf8 36.Nb5 Rab5 37.cb5 Rb5 38.Ba3 Ke8 39.Kh3 h5 40.Bc4 Rb1 41.Be2 h4 42.Bh5 Kd8 43.Bf8 Rb2 44.Bc5 Rb5 45.Be3 hg3 46.Kg3 Ke7 47.Kg4 Kf8 48.Bg5 Kg8 49.Be3 Kh8 50.Bg6 Rd5 51.f4 Ra5 52.Bd4 Rd5 53.Be5 Ra5 54.Bf7 Ra6 55.Kg5 Ra5 56.Bc4 Rc5 57.Be6 Ra5 58.Kg6?? Re5= 59.fe5 ½–½. Klings,Peter (2175) – Rous,Daniel (2035), Triesen LIE, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6)

    9.Qg4 d6 10.Qg7= Rg8 11.Qh7 de5 12.Nf3 b6 13.Nb5 Bb7 14.Bc3 a6 15.Bb4 ab5 16.Ra8 Qa8 17.Be7? Ne7-/+ 18.h4?? Be4-+ 19.Qh5 Qa1 20.Ke2 Nf5 21.Ng5 Nd4 22.Ke3 Bg6 23.Qg4 Qa3 (23...Qa3 24.Bd3 Qd3) 0–1. Webb,M (1995) – Mcintyre,P (2115), Uxbridge Open, Uxbridge ENG, 2010.

    9.Nc2 Ba5

    10.Ra3 Bc7 11.Qa1 b6 12.Rg3 Nf5 13.Rh3 Bb7 14.Nf3 Nce7 15.Bd3 d5 16.ed6=+ Qd6 17.Bf5 Nf5 18.Ne5? 0-0-0 19.0-0-/+ f6 20.Nf7= Qc6 21.Ne1 Rd2? 22.Nh8+- Re2 23.Nf3 Qe8 24.Re1?? Re1+/- 25.Qe1 h5 26.Nh4 Nh4+/- 27.Rh4 e5 28.f4 Qh8= 29.fe5 g5 30.ef6+- Bd6 31.Qe6 Kc7 32.Be5 Be5 33.Qe5 Kc8 34.Qe6 Kb8 35.Rd4 Qf8 36.f7 (36.f7 Bc8 37.Qd6 Qd6 38.Rd6+-) 1–0. Williams,Si (2425) – Arakhamia,K (2445), ch–GBR, Scarborough ENG, 2004.

    10.Ra3 Ng6 11.Qa1 b6 12.Nf3 Bb7 13.h4 h5 14.Rh3 Bb4 15.Nb4 Nb4 16.Qb1 Bf3 17.gf3 (17.Raf3!? Nh4 18.Rb3-/+) 17...Nh4-+ 18.Bd4 (18.d4 Ng6-+) 18...Nf5 (18...Nc6 19.Bb2-+) 19.Qb4 Nd4 20.Qc3 Qe7 21.f4? (better is 21.Ra6 Qc5 22.f4-+) 21...Qa3! 22.Qd4 (22.Qa3 Nc2 Double attack (22...Nc2 Decoy)) 22...Qc1 23.Ke2 Rc8 24.Rc3 Qb1 25.Bg2 Qb4 26.f5 ef5 27.Bd5 0-0 (better is 27...h4!? 28.Qf4-+) 28.Rg3 (28.Qf4 Rce8 29.Qf5 d6-+) 28...Qe7 29.Qf4 d6 (29...h4 30.Rg5 d6 31.Rf5-+) 30.d4 de5?? (30...h4 31.Rg1 Kh8 32.Rg5+=) 31.de5?? (better is 31.Qh6! ed4 32.Kd1+-) 31...Rfe8-+ 32.Re3 Rc5 (better is 32...Qd7 33.Qg5 f4 34.Qf4-+) 33.Qf5 Rd5! 34.cd5 Qh4 35.Re4 White intends e6 35...Qh1 36.e6 ½–½. Collier,T (2000) – Quinn,Joh (2140), e2e4 Autumn Challengers E, Uxbridge ENG, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6 9.Nc2 Ba5)

    10.Bd3 0-0 11.Qh5 Ng6 (11...Nf5!? 12.Ba3 Re8-/+) 12.Nf3= Bc7 e5 becomes the focus of attention 13.Ne3 (13.Ng5 h6 14.Nf7 Nf4 15.Nd8 Nd3 (worse is 15...Nh5 16.Nc6 bc6 17.g3+=) 16.Kf1 Bd8-/+) 13...h6 14.Bg6 fg6 15.Qg6 Ne7 16.Qe4 d5 17.ed6 Bd6 18.Qd4 e5 19.Ne5 Qc7 20.Nd5 (20.Nd7 Rf7 21.Nb6 Rb8 22.Nc8 Rc8 23.Qa7 Nf5 24.Nf5 Rf5+/-) 20...Nd5+/- 21.Qd5 (worse is 21.cd5 Bc5 22.Qc3 Bf2 (worse is 22...Rf2 23.Rc1+/-) 23.Kd1 Qd8-/+) 21...Kh7 22.0-0 Bf5 23.f4 Rad8 24.Bd4?? (24.d4 Be5 25.Qe5 Qc4+=) 24...Bb4?? (better is 24...Be7 25.Qa5 Qa5 26.Ra5 Rd4-+) 25.Qb5+= Bd2 26.Ba7 Bc3 27.Ra3 Bd4 28.Bd4+/- Rd4 29.Ra7 Be4 30.Nf3?? Qf4-/+ 31.Ng5?? Qg5-+ 32.Qg5 Rf1 33.Kf1 hg5 34.c5 Rd2 35.Ra4 Bg2 36.Ke1 Bc6 37.Rg4 Rh2 38.Rg5 Kh6 39.Re5 Rh5 (39...Rh5 40.Rh5 Kh5-+) 0–1. Barahona Torrijos,Angel (1890) – Hernandez Mateo,Borja (1715), Madrid ESP, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6 9.Nc2 Ba5)

    10.Bd3 d6 11.ed6 Qd6 12.Be4 e5 13.Ba3 Qd8 14.Ne3 0-0 (14...Qd4!? 15.Bc6 Nc6-/+) 15.Bc6= Nc6 16.Bf8 Kf8 17.Ne2 Be6 18.0-0 (18.f4 Kg8=+) 18...Qd2-/+ 19.Ng3 Qd1 20.Rfd1 Bc3 21.Rac1 Bd4 22.c5 (22.Ne4 h6-/+) 22...g6 (22...a5 23.Ne4-+) 23.Ne4-/+ Ke7 24.Ng5 (24.Rb1 Rb8 25.Nc2 b5-/+) 24...h6 25.Ne6 Ke6 26.Kf1 (26.Rb1 Rb8 27.Rdc1 f5-/+) 26...a5 27.Rb1 Nb4 28.Rd2 (better 28.Rdc1-+) 28...Bc5 29.Nc2 Nc2 30.Rc2 b6 31.Rc4 a4 32.Ra1 a3 33.f4 (33.Ke2 Kd5 34.Rc3 b5 35.Rd3 Kc6-+) 33...Kd5 34.Rc2 Bd4 35.Raa2 (35.Rd2 Ke4 (35...ef4?! 36.Rd3-+) 36.Raa2 b5-+) 35...f6 36.g3 (36.fe5 fe5 37.Ke2 b5-+) 36...b5 37.Rc7 b4 0–1. Barahona Torrijos,Angel (1900) – Gomez Dorado,Ernesto (1645), 18th Torneo San Viator, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6 9.Nc2 Ba5)

    10.Nf3 0-0 11.Bd3 Ng6 12.0-0= Bc7 e5 becomes the focus of attention 13.Re1 (13.Ne3 d6 14.ed6 Qd6 15.Bg6 fg6=+ (worse 15...hg6 16.Ba3 Qd8 17.Bf8 Qf8 18.d4+=)) 13...d6 14.ed6 Qd6 (14...Bd6 15.Ncd4=) 15.Bf1 (15.Bg6!? hg6 16.Ba3+=) 15...Rd8= 16.d4 b6 (16...f6 17.Bc3=) 17.g3 (17.Na3 Bb7 18.Nb5 Qd7=) 17...Bb7 18.Bg2 a5? (better 18...Qd7=) 19.Ng5+- h6 (better 19...Rf8 20.Qh5 h6 21.Ne6 fe6 22.Qg6 Ne7 23.Qe6 Qe6 24.Re6 Bg2 25.Kg2 Nf5+-) 20.Ne4?? (better 20.Nf7 Kf7 21.Qh5+-) 20...Qd7= 21.Qh5 Rab8 (21...Nb4 22.Re2=) 22.Rad1 (22.d5 ed5 23.cd5 A) 23...Qd5?? 24.Nf6 gf6 25.Bd5 (25.Qd5?! Rd5 26.Bd5 Kg7=) 25...Rd5 26.Qd5+-; B) 23...Nce7=) 22...Nce7 23.Ne3 White plans d5 23...Qa4 (better 23...f5 24.Nc3 Bg2 25.Ng2 Bd6=) 24.d5+- ed5 25.cd5 Qb5? (25...Qb3 26.Rb1 Rd5 27.Nd5 Bd5 28.Bg7 Qb1 29.Rb1 Kg7 30.Rc1+-) 26.Ba1 (better 26.Rb1 Rd5 27.Nd5 Nd5 28.Bg7 Qb1 29.Rb1 Kg7 30.Rd1+-) 26...Bd6?? (better 26...Kf8+-) 27.Ng4+- Bd5 (27...Rbc8 28.Nh6! Kf8 (28...gh6 29.Qh6 Be5 30.Be5 f6 31.Nf6 Kf7 32.Qh7 Kf8 33.Bf4 Qf1 34.Bf1 Nf4 35.Qe7) 29.Nf7 Ba3+- (29...Kf7?? 30.Ng5 Kf8 31.Re7+-)) 28.Nef6! Kf8 (28...gf6 29.Nf6 Double attack (29.Bd5 Discovered attack)) 29.Nd5 (better 29.Nh7 Kg8 30.Bg7+-) 29...Bb4 (29...Ng8 30.Ndf6 Nf6 31.Qb5 Ng4+-) 30.Ne7 (30.Bg7 Kg7 31.Qh6 Kg8 32.Ngf6) 30...Qh5-+ 31.Rd8 (31.Ng6 fg6 32.Bf3 Be1 33.Re1-+) 31...Rd8 32.Re4 (32.Rf1 Be7 33.Ne3 a4-+) 32...Be7 (better 32...Rd1 33.Bf1 Be7 34.Bc3-+) 33.Bf3 Qf5 34.Kg2 h5 35.Ne3 Qd7 (35...Qb5 36.h3-+) 36.Bh5 (36.Rd4 Qe8 37.Re4 Qb5-+) 36...b5 (36...Bc5 37.Bg6 fg6 38.Be5-+) 37.h4 (37.Rd4 Qe6 38.Rd8 Bd8-+) 37...b4 (37...Bc5 38.Bg6 fg6 39.Kh2-+) 38.Bf3 (38.Bg4 Qa4 39.Bd4 Bf6 40.Bf6 gf6-+) 38...Bf6 39.Bf6 gf6 40.Bg4 (40.Nc4 Qb5 41.Be2 Re8 42.Re8 Qe8-+) 40...Qc6 41.Bf5 Ne5 (41...Ne7!? 42.f3 Nf5 43.Nf5-+) 42.Kh2 b3 43.h5 b2 44.Rh4 Nf3 (44...Nf3 45.Kh3 Nh4 46.Kh4 Qf3 47.Ng4 Qf5 48.Kh3 b1Q 49.Kg2 Rd1 50.f4 Qg4 51.Kf2 Qe4 52.h6 Qgf3) 0–1. Pijpers,Arthur (2475) – De Ruiter,Danny (2310), 8. Batavia Blitz, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6 9.Nc2 Ba5)

    10.Nf3 0-0 11.h4 d6-/+ 12.ed6 Qd6 13.Ra5 Na5-+ 14.Qa1 Nb3 15.Qa2 Nc5 16.d4 Qa6 17.Qa3 Na4 18.Bc1 Nc6?? 19.c5=+ b5 20.cb6 Qa5 21.Bd2 Qb6 22.Qa4 Qb1 23.Ke2 Bd7 24.Nfe1 Rfd8 25.Qa3 Rab8 26.Qc1 Qa2 27.Rh3 Rb1 28.Qa3?? Nd4!-+ 29.Nd4 Bb5 30.Nb5 Rd2 31.Ke3 Re1 32.Kf3 Rf2 33.Kg3 Qa3 (33...Qa3 34.Na3 Rff1-+) 0–1. Visser,Y (2485) – Adly,A (2470), Corus C, Wijk aan Zee NED, 2006.

    10.Qg4 Ng6 11.Nf3 0-0 12.Bd3 d6 13.Bg6 fg6 14.ed6 Qd6 15.0-0 Bc7 16.Ba3=+ Qf4 17.Qf4 Rf4 18.d4 b6 19.Rad1 Na5 20.Ne3 Ba6 21.Rc1 Nb3 22.Rcd1 b5 23.d5 ed5 24.Nd5 Rc4 25.Ne7 Kh8 26.Ng5 h6 27.Ng6 Kg8 28.Ne7 Kh8 29.Ng6 ½–½. Adolfsson,Daniel – Akesson,Ralf (2470), Midnight Sun, 2006.

    10.Qg4 Ng6 11.Nf3 d6 12.ed6 e5 13.Qe4 Qd6 14.Be2 0-0 15.0-0 Bb6 (worse is 15...Bd2 16.c5 Qc5 17.Ba3+/-) 16.d4 ed4 17.Ncd4 Rd8 18.Nb5 Qe6 19.Bd3 f5 20.Qe6 Be6 21.Rfd1 a6 22.Na3 Bc5 23.Nc2 h6 24.Bc3 a5 25.Rd2 a4 26.Re1 Kf7 27.Ne3 Nge7 28.Nd5 Nd5 29.cd5 Bd5 30.Ne5 Kg8 31.Bf5 Bb3 32.Nc6 Rd2 33.Bd2 bc6 34.Be4 a3 (better is 34...Bd5!?-+) 35.Bc3 Rf8 (35...Rf8 36.Re2 Bc4-+) 0–1. Marchand,Jean Louis (2335) – Lopez,Antonio (2120), CFriend SH–2004–0-00027 email, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6 9.Nc2 Ba5)

    10.Qg4 Ng6 11.Nf3 d6 12.ed6 Qd6 13.Bg7 Nge5 14.Qg5 Nf3-/+ 15.gf3 Rg8 16.0-0-0 Ne7 17.Qa5 Rg7 18.Qc3 Rg8 19.Bd3 h6 20.Bh7 Rf8 21.d4 Bd7 22.Rhe1 0-0-0 23.Kb2 Rh8-/+ 24.Be4 Ba4 25.Qa3 Qb6 26.Kc1 Bc2 27.Kc2 Qc7 28.Kc3 b6 29.Kb2 Kb8 30.c5 Nd5 31.Rb1 bc5 32.Ka2? Ka8 33.Rec1 c4-/+ 34.Rb4 Qd6 35.Rbc4= Qa3 36.Ka3 f5 37.Bd5 Rd5 38.Ra4 Rd7 39.Ra6 Re8 40.Rc4 h5 41.Kb4 ½–½. Zidu,Jan (2435) – Knol,Everdinand (2320), Asia/Africa+friends – Rest of the World, 2005.

    10.Qg4 Ng6 11.h4 Qb6 (11...Nge5? 12.Qg7 Rf8 13.Be5 Ne5 14.Qe5+-; worse is 11...Nce5 12.Be5 0-0 13.Bd6+-) 12.0-0-0 h5 (12...Nge5 13.Qg7 Ng6 14.h5+-; 12...Nce5?! 13.Be5 Ne5 14.Qg7+=) 13.Qg3 Qc7 14.Nf3 Nce7 15.Ba3 Nf5 16.Qh2 b6 17.Bd3 Nge7 18.Qf4 Ba6 19.Bd6 Qc8 20.Ng5? (better is 20.Be7!? Ne7 21.Ng5-/+) 20...Ng6-+ (20...Nd6 21.ed6 f6 22.de7 Ke7 23.Nf3+=) 21.Qf3 Bb7 22.Ne4 Qc6 23.g4 hg4 24.Qg4 Ngh4 (24...b5 25.h5 Nf4 26.Qf4 bc4 27.Nf6 gf6 28.Bf5-/+) 25.Qg5 f6 26.Nf6 Kf7 27.Nh5?? (27.Be4 Nf3 28.Qg2 (28.Bc6?! Bc6 29.Qg4 Bd2 30.Kb1 gf6=) 28...Qc4 29.Bb7-/+) 27...Nf3 28.Qg4 Bd2 29.Rd2 Ne5! 30.Be5 Qh1 31.Kb2? Bf3 32.Qf4 Qh5 33.Bf5 Qf5 34.Rd7 Ke8 35.Qd4?? Bc6 36.Rc7? Rd8 37.Bd6-/+ Bd7 38.Qg7 Qh7 39.Qe5? Rg8 40.Nd4 Qg7 41.Qe3? Qg5?? 42.Rd7+= Qe3 43.Rd8 Kd8 44.fe3 Kd7 45.Bf4 Re8 46.Nf3 Kc6 47.Kb3 a6 48.Ne5 Kb7 49.Kb4 Rc8 50.Nf7 Kc6 51.Ne5 Kb7 52.Nf3 Re8 53.Kc3 b5 54.c5 Kc6 55.Kd4 Rd8 56.Bd6 Rh8 57.Ne5 Kb7 58.Nf7 Re8+/- 59.Bf4 Kc6 60.Ne5 Kb7 61.Bg5 Rg8 62.Be7 Re8 63.Bd6 Rh8 64.Ng6 Rd8 65.Ke5 b4 66.Ne7 b3 67.c6 Ka8 68.c7 Re8 69.Ba3 Kb7 70.c8Q (70.c8Q Rc8 71.Nc8 Kc8 72.Ke6+-) 1–0. Pudas,Teemu (2070) – Farkas,Gabor (1970), EU Union–ch U16, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Na3 Nbc6 9.Nc2 Ba5)

    10.h4 0-0 11.Nf3 d6 12.Bd3 Ne5 13.Ne5 de5 14.Qe2 Bc7 15.h5 f6 16.h6 g6 17.0-0 Rf7 18.Na3 Bd7 19.Nb5 Bb5 20.cb5 Nd5 21.Bc4 Bb6 22.Qg4 Qd6 23.d3 Rd8 24.Ba3 Qd7 25.Ra2 Qe8 26.Bc1 Rc8 27.Re1 Rfc7 28.Bd2 Bd4 29.Be3 f5 30.Qh4 Be3 31.fe3 Qe7 32.Qg3 e4-+ 33.Bd5 ed5 34.de4 de4 35.Ra7 Qc5 36.Raa1 Qb5 37.Red1 Kf7 38.Rab1 Qc5 39.Rd6 Re7 40.Rbd1 Rc6 41.R6d5 Qc3 42.Kh2 Ra6 43.Qf4 Qc7 44.Qc7-/+ Rc7 45.Rd7 Rd7 46.Rd7 Kf6 47.Rb7 Kg5 48.Rh7 Ra2 49.Rh8 Re2 50.h7 Kh6 51.Rb8 Kh7 52.Rb3 Kh6 53.Kg1 Kh5 54.Ra3 Kg4 55.Kf1 Rb2 56.Ra6 g5 57.Rf6 f4 58.ef4 gf4 59.Rf8 Ra2 60.Rf7 Rb2 61.Rf8 e3 62.Rg8 Kf5 63.Re8 Rf2 64.Kg1 Ra2 65.Kf1 Rf2 66.Kg1 Kf6?? 67.g3=+ fg3 68.Re3 Rf5 ½–½. Daus,Peter (2230) – Cinca,Daniel (2450), ICCF corr Champion's League, 2004.

    8.Qg4 0-0

    9.Bd3 Nbc6 10.Nf3 Ng6 11.h4 d6 12.Qe4?? (better is 12.Bg6 fg6 13.h5-/+) 12...de5-+ 13.Bc2 f5 14.Qe3 e4 (14...Bd6!? 15.d3-+) 15.h5 ef3 16.hg6 hg6 17.Qf3 Nd4 18.Qd3 Nc2 19.Qc2 b6 20.Qb3 Bc5 (20...Qd6 21.Qe3-+) 21.Qh3? (better is 21.Qf3 Bd7 22.Be5-/+) 21...Bd4-+ 22.Nc3 Bb7 23.Ba3 Re8 24.Rb1 (better is 24.Nb5 Be5 25.Bb4-+) 24...Bf2?? (better is 24...Be5 25.Nb5 Bf4-+) 25.Kf2+= Qd2 26.Ne2 Qa2?? (better is 26...Qg5=) 27.Qc3+- Rac8 28.Qd4?? (better is 28.Rb4 a5 29.Ra4 Bg2 30.Ra1 (30.Kg2?? Qe2 31.Kg3 Red8-+) 30...Qa1 31.Qa1+-) 28...Qa3-+ (28...Qa3 29.Ra1 e5 30.Rh8 Kf7 31.Ra3 ed4 32.Re8 Ke8 (32...Re8?! 33.Ra7 Re7 34.Nd4-+) 33.Ra7 Bg2 34.Nd4 Rc4-+) 0–1. Hurta,Jiri (1850) – Lipus,D, Karvina Open, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Nf3 Nbc6 10.Bd3 Ng6 11.Qh5 h6 (11...Be7!? 12.Ba3 h6 13.Bg6 fg6 14.Qg6 b6+=) 12.Bg6+= fg6 13.Qg6 b6 14.Nc3 Bb7 15.Qg4 (15.Ne4 Ne7 16.Qg4 h5-/+) 15...Ne7 (better is 15...h5!? 16.Qh3 Na5-+) 16.0-0 Bc3 17.Bc3 (worse is 17.dc3 h5 18.Qd4 Rf3 19.gf3 Ng6-+) 17...Bf3 18.gf3 a5 19.Kh1 Nf5 20.Rg1 Rf7 (20...Qh4 21.Rg2+=) 21.Qe4= Rc8 22.Rg4 Qc7 23.Rb1 Kh8 24.Rb5 Rcf8 25.c5 bc5 26.Ba5 Qa7 27.Bb6 Qa6 28.Qa4 (28.Rb1 Rc8+=) 28...Qa4-/+ 29.Ra4 Rb8 30.Ra6 Nd4 31.Rc5 Nf3 32.d3 (32.Kg2 Kh7-/+) 32...Rf5-/+ 33.Rc1 Rh5 (33...Ne5 34.Rd1-/+) 34.Kg2 Rf8 35.h3 Rg5 36.Kh1 Re5 37.Be3 Rd5 38.Rc3 (38.Ra3 e5-/+) 38...Kh7 39.Ra4 (39.Ra1 Rf6-/+) 39...Rf6 40.Rg4 (40.Kg2 Ne1 41.Kf1 Rd3 42.Rd3 Nd3-+) 40...g5 (40...e5 41.Rb3-+) 41.Ra4 Kg6 (41...e5 42.Ra1-/+) 42.Raa3 Rf8 43.Kg2 Nh4 44.Kf1? (better is 44.Kg1!?-/+) 44...Rf3-+ 45.Ra7 (45.Rc8 Rh3 46.Rg8 Kh5-+) 45...Rh3 46.Ke2 Nf5 47.Rcc7 (47.Rb3-+) 47...Ne3 48.fe3 Rh2 49.Kf3 (49.Kf1 Rd3 50.Rd7 Rd7 51.Rd7 h5-+) 49...Rd3 (49...Rf5 50.Kg3 Rhf2 51.Rd7 R5f3 52.Kg4 h5) 50.Rd7-+ Rh3 (50...Rh3 51.Kf2 Rd7 52.Rd7 h5-+) 0–1. Shivananda,B (2305) – Neverov,V (2500), 7th Chennai Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Nf3 Nbc6 10.h4 Nf5 11.Bd3 Nce7 12.Qe4 h5 13.g4 hg4 14.Qg4 Nh6 15.Qg2 b5 (better is 15...Nef5=) 16.Rg1+/- g6 17.cb5 Bb7 18.h5 Nhf5 19.Bf5 ef5 20.Ra4 a5 21.hg6 Ng6? (better is 21...fg6 22.Qh3 Kf7+/-) 22.Qh3+- Bf3 (22...Re8 23.Ng5 Bd5 24.e6+- (24.Qf5?! Qb6+-)) 23.Qf3 (better is 23.e6!? fe6 24.Rg6 Kf7 25.Rg7 Ke8 26.Qf3 Qb8+-) 23...Qh4 24.Qf5 Qh6 25.Nc3 Rae8 26.f4 (26.Qd7 Rd8 27.Qf5 Qd2 28.Kf1 Qb2 29.Rg6 fg6 30.Qg6 Kh8 31.Qh6 Kg8 32.Qg6 Kh8 33.Qh6 Kg8 34.Qg6=) 26...Re6 27.Ne4 Qh2 28.Bd4 Rc8 29.Kd1 Rc4 30.Be3 Kf8 31.b6?? Rb6? 32.Bb6+- Re4 33.Rb4 Qe2 34.Kc2 ab4 35.Qd7 Qc4 36.Kb2 Rf4? 37.Be3 Rh4? 38.Rg6! fg6 39.e6 Qe4 40.Qf7 1–0. Vallejo Diaz,Jesus (2210) – Soppe,Guillermo (2435), Internet Section, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Nf3 Nf5 10.Bd3 Nc6 11.h4 d6 12.ed6 f6 (12...Re8 13.0-0 g6 14.Be4-/+) 13.Qe4 (13.c5!?=) 13...h5-/+ 14.g4 hg4 15.Qg4 Qd6 16.Be4 Ne5 (16...Nce7!?=+) 17.Be5 fe5 18.Rg1 Qe7 19.Ne5 (19.Qh5!? Rf6 20.Ne5=) 19...Qf6=+ (19...Nh4 20.Rh1 Qf6 21.Qh5 (21.Qh4 Qe5 22.Qh7 Kf7=+; 21.Rh4?! Qe5 22.Qg6 Rf5+=) 21...Qf2 22.Kd1+-) 20.Ra4? (20.f4 Bc5 21.Rf1 Qh4 22.Qh4 Nh4=+) 20...Bc5?? (20...Qe5!? 21.Rb4 Nd4 22.Kd1=) 21.Ng6? (better 21.Nd3 Bd4 22.c5=) 21...Nh6 (21...Bf2 22.Kf2 Nh6 23.Qf3 Qd4 24.Kg2 Rf3 25.Bf3-+) 22.Qg2-/+ Qf2 23.Qf2 Bf2 (23...Rf2?! 24.Rg5 Nf5 25.Ra5=) 24.Kf1 Rf6 (better 24...Rf7!?-+) 25.Rg2-/+ Bd7 26.Ra2 Bc5 (26...Bd4 27.Ke2 e5 28.Ne7 (28.Bb7? Rb8 29.Bd5 Kh7-+) 28...Kf8 29.Nd5-/+ (29.Bb7 Rb8 30.Be4 Ke7 31.Rg7 Rf7 32.Rf7 Nf7-+)) 27.Ke2 Nf5 28.Nc3 (28.Bb7? Rb8 29.Be4 Nd4 30.Ke3 Bc6 31.Ne7 Be7-+) 28...Bc6 29.Bc6 Nd4 30.Kd3 Nc6 31.Ra1?? (better 31.Ke4-/+) 31...Rg6!-+ 32.Rg6 Ne5 33.Ke4 Ng6 34.d4 Bb4 35.c5 (35.Nb5 Nh4 36.c5-+) 35...Bc3 36.Rb1 (36.Ra3 Bb4 37.Rb3 a5-+) 36...b6 (36...Rd8!? 37.h5 Rd4 38.Ke3-+) 37.h5 Nf8 (37...bc5 38.hg6 Bd4 39.Kd3-+) 38.cb6 (38.c6 Rc8 39.Rc1 Rc6-+) 38...ab6 39.Rb6 Ra4 40.Rb8 (40.Rd6 Kf7 41.Kd3 Ke7-+) 40...Rd4 41.Kf3 Rd5 42.Kg4 Bf6 43.Rb7 Rg5 (43...Rg5 44.Kf3 Rh5-+) 0-1. Riehle,Marco (2345) - Quparadze,G (2460), Titled Tuesday, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    8.Qg4 Nf5

    9.Bd3 0-0 10.Nf3 Nc6 (10...d6 11.ed6 g6 12.Bf5 ef5 13.Qd4 f6 14.Qd5 Kg7 15.c5 Nd7) 11.0-0 g6 12.Nc3 d6 13.ed6 Bd6 14.Rfe1 e5 15.Qe4 Nfd4.

    9.Bd3 0-0 10.Nf3 Nc6 11.0-0 Be7 12.Qe4 (12.Bc3!?=) 12...Nb4-/+ 13.Nc3 f6 (13...Nd3 14.Qd3 d6 15.ed6 Nd6 16.Ba3-/+) 14.Bb1 fe5 15.Ne5 d6 16.Nf3 Kh8 17.Qg4 Bf6 18.Ba3 Nc6 19.Qe4 g6 20.Rd1 Ncd4 21.Ra2 Bd7 (21...Qb6!?-/+) 22.Nd4=+ Nd4 (22...Bd4!? 23.Qb7 Rc8=+) 23.Bd6= Bc6 24.Qf4 Rf7 25.Re1 Kg8 26.Nd1 (better 26.Be5=) 26...Bg7-/+ 27.Qg3 Nf5 (better 27...Bg2 28.Kg2 Rf3-/+) 28.Bf5= ef5 29.Ra3 Qd7 30.Bf4 Re8 31.Re8 Qe8 32.Ne3 a6 33.h4 Qe7 34.Rd3 Be4 35.Nd5?? (35.Rd6 Rf6+=) 35...Bd5 (better 35...Qc5 36.Ra3 Qc4-/+) 36.Rd5= Bf6 37.Bg5 Bg5 38.hg5 f4 39.Qd3 f3 (39...Rf8 40.Qh3 Qe1 41.Kh2+=) 40.Rd8 Rf8 41.Qd5 Qf7 42.Qf7 Kf7 43.Rd7 Ke6 44.Rb7 Rd8 45.gf3 Rd2 46.Rh7 Rc2 47.Rc7 a5 (47...Kf5!?+=) 48.Ra7+- Rc4 49.Ra5 Rf4 50.Kg2 Rf5 51.Rf5 Kf5 52.Kg3 Kg5 53.f4 Kf5 54.Kf3 Ke6 55.Kg4 Kf7 56.Kg5 Kg7 57.f5 gf5 58.Kf5 Kf7 59.f4 Kf8 60.Kf6 Ke8 61.Kg7 Ke7 62.f5 (62.f5 Kd6 63.f6 Ke6 64.f7 Ke5 65.f8Q Ke6 66.Qf6 Kd5 67.Kf7 Kc5 68.Ke6 Kc4 69.Ke5 Kb3 70.Kd4 Kb2 71.Kc4 Kb1 72.Qf2 Kc1 73.Kc3 Kd1 74.Qd2) 1–0. Zlatin,Alexander (2310) – Rajic,Ivan (2020), 57th World Juniors (3), 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Nf5)

    9.Nf3 Nc6 10.Bd3 Nce7 11.Nc3 d6 12.ed6 Bd6 13.Nb5 Bb8 14.Be4 (14.Bg7? Rg8 (14...Ng7?! 15.Qg7 Rg8 16.Qh7=) 15.Be4 Rg7-+) 14...h5 15.Qh3 Ng6 Black prepares the advance h4 16.g3 Kf8 17.0-0 h4 18.Qg2 Rh6 19.Nfd4 Qd7 20.Rfe1 hg3 21.fg3 Nf4 22.gf4 Rg6 23.Ba3 Kg8 24.Qg6 fg6 25.Ne6 a6 26.Bd5 Kh8 27.Bb2 Bd6? (27...g5 28.fg5 Bd6 29.Nd6 Qd6+-) 28.Nd6+- Qd6 29.Ra3 Ne7 (29...Nh6 30.Bg7 Kg8 31.Bd4 Qa3 32.Ng5 Be6 33.Re6+- (33.Ne6?! Nf7 34.Ng5 Rf8+-)) 30.Rh3 (30.Bg7 Kg8 31.Bf8 Be6 32.Be7 Qe7 33.Re6 Qc5 34.Kh1 Kg7+-) 30...Kg8 31.Ng5 Qd5 32.cd5 Bh3 33.Re7 (33.Re7 a5 34.Rg7 Kf8 35.Nh7 Ke8 36.Nf6 Kd8 37.d6 Be6 38.Rh7 Bg8 39.Rh8 a4 40.Rg8) 1–0. Forster,Ri (2460) – Buhr,CC (2340), 34th ECC Open (7), 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Nf5)

    9.Nf3 Nc6 10.Bd3 Nce7 (10...h5 11.Qe4=+) 11.Nc3 (11.0-0 d6=) 11...d6 12.Ne4?? (better 12.0-0=) 12...h5-/+ 13.Qh3 (13.Qg5!? de5 14.Ne5-/+) 13...Ng6-+ 14.Nd6? (better 14.g3 de5 15.Qf1-+) 14...Bd6 (14...Nd6 15.g3 Nf5 16.Qf1-+) 15.Bf5 (15.ed6 Nf4 16.Bf5 Nh3 17.Bh3 Qd6-+) 15...ef5 16.ed6 f4 (16...f4 17.g4 hg4-+) 0–1. Sanpera Bonet,Juan Carlos (2060) – Jimenez Ruano,Adrian (2130), TCh–CAT Gp1, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Nf5)

    9.Nf3 h5 10.Qh3=+.

    9.Bd3 h5

    10.Qe2 0-0 11.Nc3 d6 12.ed6 Nc6 13.Nf3 Qd6 14.Nb5 Qc5 15.0-0 Rd8.

    10.Qe2 Bc5 11.Bf5 Qb6 12.Nc3 Qb2 13.Rb1 Qa3 14.Be4 Nc6 15.Nf3 0-0.

    10.Qe2 Nc6 11.Nf3 d5 (11...h4 12.Nc3= (12.h3 0-0 13.Nc3 d6 14.ed6 Bd6 15.0-0 Bc5) 12...h3 13.gh3 Rh3 14.Bf5 ef5 15.Nd5 Kf8; 11...d6 12.ed6 0-0 13.Nc3 Qd6 14.Nb5 Qd8 15.0-0 Bd7) 12.ed6 (12.cd5 Qd5 13.0-0 0-0 14.Nc3 Ncd4 15.Nd5 Ne2) 12...Kf8 (12...0-0 13.Nc3= Qd6 14.Nb5 Qe7 15.0-0 Bd7) 13.0-0 (13.Nc3 Bd6 14.0-0 (14.Nb5 Bb4 15.0-0 Rh6) 14...Rh6= 15.Nb5 Bb4) 13...Bd6 (13...Rh6 14.Nc3 Bd6 15.Nb5 Bb4) 14.Bf5 (14.Nc3 Bd7= (14...Rh6 15.Nb5 Bb4) 15.Nb5 Be7; 14.Na3 Rh6 15.Nb5 Bb4) 14...ef5 15.d4 b6 (15...Rh6 16.d5 Nb4 17.Re1=) 16.Nc3+= Kg8 17.Rfe1 Bd7+= 18.c5 bc5= 19.dc5 Bf8 20.Rad1= Rh6 21.Qc4+= Qc8 22.Nd5 Rb8 23.Bc1 Re6= 24.Ng5 Re1 25.Re1 Be6 26.Qh4+/- g6 27.Nf6 Kg7 28.Nh5 gh5 29.Qh5 1–0. Mamedyarov,S (2660) – Schacher,G (2245), 20th ECC, Izmir TUR, 2004.

    10.Qe2 d5 11.cd5 Qd5 12.Nf3 Qb3 13.Bc3 Be7 14.Na3 Nc6 15.Nb5 Kd8.

    10.Qe2 Qg5 11.Nf3= Qg4 12.Nc3 Nc6 (12...Qg2 13.Rg1 Qh3 14.Qe4 Bc3 15.Bc3+-) 13.0-0 Nh4 (better is 13...Nfd4!? 14.Nd4 Nd4 15.Qg4 hg4+=) 14.Nh4+/- Qh4 15.Ne4 b6 16.Ra4 Rb8 17.Rb4 Nb4 18.Nd6 Kf8 19.Qf3 Qe7 20.Bg6 Bb7 (20...Rh6!? 21.Bf7 Bb7+/-) 21.Nb7+- Rb7 22.Qb7 fg6 23.Qb8 Qe8 24.Qa7 Kg8 25.Qb6 Nd3 26.Bc3 Nf4 27.Qe3 Qf7 28.g3 Nh3 29.Kg2 Qf5 30.Qf3 Qg4 (30...Qf3 31.Kf3 Kh7 32.Kg2+-) 31.Qg4 hg4 32.f3 gf3 (32...Ng5 33.fg4 Ne4 34.Ra1+-) 33.Rf3 Ng5 34.Rd3 Kh7 35.Rd7 Rc8 36.d3 Rc6 (36...Ra8 37.Bb2 Ra5+-) 37.Bd2 (37.Bd2 Ne4 38.de4 Rc4 39.Kf3+-) 1–0. marekt (1965) – schweine_hund (1895), gameknot.com, 2014.

    10.Qe2 h4 11.Nc3 Nc6 12.Nf3 h3 13.gh3 Kf8 14.Bf5 ef5 15.Nd5 Rh3.

    10.Qf3 Nc6 11.Ne2 Qg5 12.0-0 0-0 (12...Qg4 13.Qg4 hg4 14.Be4=+) 13.Bf5 (13.Be4 A) worse 13...Bd2 14.Nd2 Qd2 A1) 15.Bf5? Qb2 (15...ef5?! 16.Bc3 Qg5 17.Nf4=+) 16.Bd3 Ne5-+; A2) 15.Bc1+=; B) 13...Be7=) 13...ef5 (13...Qf5 14.Qf5 ef5 15.Nf4=+) 14.d4= d6 (14...Re8 15.Bc3 Qg4 16.Qe3=) 15.ed6 Bd6 16.Nbc3 (16.c5 Bc7=) 16...Qg4 (16...Qh4 17.h3=+) 17.Qd3 (17.Qg4 fg4 18.c5 Be7=) 17...Rd8=+ 18.h3 Qh4 19.Rfe1 (19.Nb5!?=) 19...Be6 20.Nb5 Bb4 21.Red1 (21.Rec1!?=+) 21...Ne5!-/+ 22.Qb3 (22.de5 Qe4 Double attack (22...Rd3 Pinning; 22...Rd3 Deflection; 22...Qe4 Decoy)) 22...Bc4-+ 23.Qb4 Be2 24.Re1 (24.Qe1 Bd1 25.de5-+) 24...Nd3 25.Qd2 Ne1 (better 25...Qf2 26.Kh2 Re8-+ (26...Ne1?! 27.Re1 Qe1 28.Qe1 Bb5 29.d5-+)) 26.Qe2 Re8 27.Qd2 (27.Qf1 Qe7 28.Bc3-+) 27...Qe4 28.f3 Qd3 (28...Qe2!? 29.Bc3 Nf3 30.gf3 Qb5 31.d5-+) 29.Qd3 Nd3 30.Ba3 Red8 (30...Re2 31.Nd6-+) 31.Rd1 (31.Nd6 Nf4-+) 31...Nf4 32.Kf2 (32.Nd6 g6-+) 32...a6 (32...Rac8 33.Rd2 Rd5 34.Na7-+) 33.Nc3 (33.Nd6-+) 33...Rac8 34.Bc5 (34.Bc1 Nh3! 35.gh3 Rc3-+) 34...Ne6 35.Rb1 (35.Bb6 Rd6 36.Ba5 Nd4-+) 35...Nc5 36.dc5 Rc5 37.Na4 (37.Ne2 Rc2-+) 37...Rb5 (better 37...Rc2!? 38.Ke3-+) 38.Rc1 (38.Rb5 ab5 39.Nc5 Rd2 40.Kg3 b4-+) 38...Rb4 39.Ra1 (39.Nc3 Rd2 40.Ne2 Rbb2-+) 39...Rc8 (better 39...Rd2 40.Kg3-+) 40.Kg3 (40.Ra3 Rc2 41.Kg3 h4 42.Kh2 b5-+) 40...Rcc4 41.Nb6 h4 42.Kh2 (42.Kf2 Rb6 43.Ke3 Rd6-+) 42...Rb6 43.Rd1 (43.Ra2 Rbc6 44.Rd2 Rc2 45.Rd8 Kh7-+) 43...Rc2 44.f4 Rbb2 45.Kh1 b5 46.Rd8 Kh7 47.Rd5 g6 (47...Rc1 48.Kh2 Rbb1 49.Rd1 Rd1 50.g4 Rd2) 48.Rd7 Kg7 (48...Rc1 49.Kh2 Rbb1 50.Rf7 Kh6 51.Rh7 Kh7 52.g4 Rc2) 49.Ra7 Ra2 (49...Rc1 50.Kh2 Rbb1 51.Rf7 Kf7 52.g4 Rc2) 50.Rb7 (50.Ra8 Ra1 51.Kh2 Rcc1 52.Rg8 Kg8 53.g4 Rc2) 50...Rd2 (50...Rc1 51.Kh2 Raa1 52.Rf7 Kf7 53.g4 Rc2) 51.Rb6 (51.Rc7 Rd1 52.Kh2 Raa1 53.Rf7 Kf7 54.g4 Rd2) 51...Rf2 (51...Rd1 52.Kh2 Raa1 53.Rg6 fg6 54.g4 Rd2) 52.Rb7 (52.Rc6 Ra1 53.Kh2 Rff1 54.Rg6 fg6 55.g4 Rf2) 52...Rf4 (52...Rf1 53.Kh2 Raa1 54.Rf7 Kf7 55.g4 Rf2) 53.Kh2 (53.Rc7 Rf1 54.Kh2 Raa1 55.Rf7 Kf7 56.g3 Rf2) 53...Rff2 (53...Ra1 54.Rc7 Rff1 55.Rf7 Kf7 56.g3 Rf2) 54.Kg1 (54.Rc7 f4 55.Rc8 Rg2 56.Kh1 Rh2 57.Kg1 Rag2 58.Kf1 f3 59.Rg8 Kg8 60.Ke1 Rh1) 54...Rg2 55.Kh1 (55.Kf1 Rgf2 56.Ke1 Rh2 57.Rf7 Kf7 58.Kd1 Rh1) 55…Rgb2 (55...Rgb2 56.Rf7 Kf7 57.Kg1 Rb1; 55...Rge2 56.Rf7 Kf7 57.Kg1 Re1) 0-1. Riehle,Marco (2345) - Zhigalko,S (2570), Titled Tuesday 6th Apr, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    10.Qh3 Nc6 11.Nf3 d5 12.0-0 g5 13.Bf5 ef5 14.e6 g4 15.Qg3 Rg8.

    8.Qg4 Ng6-/+

    9.Bd3 Nc6 10.Nf3 Qc7 (10...d6 11.ed6 e5 12.Bf5-/+) 11.Qg3 (11.0-0 d6 (11...Nge5 12.Ne5 Ne5 13.Qg7 Nd3 14.Qh8 Ke7 15.Bf6 Kd6 16.Na3 Ba3 17.Ra3 Qc4 18.Rc3+-; 11...Nce5 12.Ne5 0-0 13.Ng6 fg6 14.Nc3+-) 12.ed6 Qd6 13.Bg6 hg6 14.Bg7 Rh7=) 11...Be7 (better is 11...d6!? 12.Na3 de5 (worse is 12...Nge5 13.Ne5 Ne5 14.Be5 de5 15.Qg7=) 13.Bg6 fg6+=) 12.Na3 Nb4 13.Bb1 0-0 14.h4 f6 (14...h5 15.Bg6 fg6 16.Qg6+/-) 15.Bg6 (15.h5 Nh8 16.h6 g6+/-) 15...hg6+- 16.Qg6 Qd8? (16...f5 17.Ke2 b5+-) 17.h5 (17.ef6 Rf6 (worse is 17...Bf6 18.Ng5 Nd3 19.Kf1 Re8 20.Qf7 Kh8 21.Bf6 Qf6 22.Qe8 Qf8 23.Qf8) 18.Bf6 Bf6+-) 17...Qe8 18.Qb1 f5? (18...Qf7 19.h6 gh6 20.Rh6 f5+-) 19.Nb5+- Qd8 20.Bc3 Nc6 21.d3 (21.Nd6 b6+-) 21...a6 (21...a5 22.Kf1+-) 22.Qc1 Kh7 (22...f4 23.h6 gh6 24.Rh6+-) 23.Bd2 (better is 23.h6!? f4 24.d4 ab5 25.Qb1 g6 26.Ra8 bc4 27.Kf1+-) 23...Rb8+/- 24.Na3 (better is 24.Nd6!? Ne5 25.Ne5 Bd6 26.Ng6+/-) 24...d6= 25.h6 g6 (25...de5 26.Qc3 g5 27.c5-+ (27.Ne5? Bb4 28.Nc6 Bc3 29.Nd8 Ba1 30.Bg5 Bf6 31.Bf6 Rf6-+)) 26.Ng5 Bg5 27.Bg5 Qa5 28.Kf1 Qe5 29.Nc2?? (better is 29.Rh4 f4 30.Bf4=) 29...f4-+ 30.Bh4 g5 0–1. Amirov,Ramil – Vainovska,Valentina (1830), Palanga LTU, Baltija Open–A, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.Nf3 Nc6 10.Nc3 d6 (worse is 10...Nge5 11.Ne5 Ne5 12.Qg7+=) 11.ed6 Qd6 -/+.

    9.h4 Qb6 10.Nc3 h5 11.Qe4 Na6 12.Nf3 0-0 13.d4 (13.Na4!? Qc6 (13...Qc7 14.Be2 Qc6 15.Qe3 b6 16.Nd4 Qc7 17.Nb5) 14.Bd3+= Be7 15.0-0 Nb4 16.Qc6 Nc6 17.g3; 13.Be2 Be7 (13...Nc5 14.Qe3 d6 15.0-0 de5 16.Ne5 Nh4 17.d4) 14.Nb5 Qc6 15.Qe3 Nb4 16.Nbd4 Qc5 17.0-0; 13.Nb5 Bc5 (13...Qc6 14.Qe3 Bc5 15.Bd4 Nb4 16.Kd1 Bd4 17.Qd4) 14.d4 Bb4 15.Nd2 Qc6 16.Nc3 Be7 17.Be2) 13...d6+= (13...Ba5 14.Qc2 Nb4 15.Qd2 Qd8 16.Be2 b6 17.Ba3) 14.Bd3 (14.c5 dc5 15.Rd1 Qa5 16.Ba6 Qa6 17.dc5) 14...de5 15.Ne5 f5 16.Qe3 Ne5 17.Qe5 Qd6 (better is 17...Rd8!? 18.d5 Bd6-/+) 18.Qd6= Bd6 19.c5 (19.Be2 g6=) 19...Nb4 20.Bc4 Be7 21.0-0-0 Bf6 (21...a6 22.Rde1=) 22.Nb5+= Rb8 23.Nd6 (23.Nc7!?+=) 23...Bd7+= 24.Nf5 b5 25.Bb3 a5 ½–½. Shivananda,BS (2380) – Sidhant,Mohapatra (2230), Chennai IND, 5th Open, 2013. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    9.h4 Qb6 10.Nc3 h5 11.Qe4 Na6 12.Nf3 d6 13.Nb5 0-0 14.Be2 d5 15.cd5 ed5 16.Qd5 Nf4 17.Qe4 Ne2 18.Qe2 Bd7 19.Nbd4 Bc5 20.Bc3 Bg4 21.Qb5 Nc7 22.Qb6 Bb6 23.0-0 Nd5 24.Ba5 Bc5 25.Nb3 Be7 26.d4 b6 27.Be1 a5 28.Nbd2 a4 29.Ne4 b5 30.Nc5 Bc5 31.dc5 Bf3 32.gf3 Rfc8 33.Rc1 Nf4 34.Rb1 Rc5 35.Bb4 Re5 0–1. Phadke,So1 (2285) – Ashwin,J (2445), 10th Open, Dubai UAE, 2008.

    9.h4 h5-/+

    10.Qe4 Nc6 11.Nf3 Kf8 12.Na3 (12.Be2 d6-/+) 12...Nge7 (12...d5 13.Qe3=+) 13.Nc2 d5 14.ed6 (14.Qf4 Bc5=+) 14...Bd6 15.Ng5 (15.d4 b6=+) 15...Nf5 (15...Rh6 16.d4-/+) 16.Be2 (16.d4 Rh6-/+) 16...Be7 (16...Bc5 17.0-0-/+) 17.Nf3 (17.d4 Bf6 18.Nf3 Rh6-/+) 17...Bf6 (17...Rh6 18.Ne5-/+) 18.d4 (18.Bf6 Qf6 19.d4 Nd6=+) 18...Kg8 19.Kf1 (19.g3 Rh6-/+) 19...Bd7 (19...Rh6 20.Rh3-/+) 20.g3 (20.Kg1 Rh6-/+) 20...Nce7 (20...Rh6 21.Kg2-/+) 21.Rd1 White plans d5 (21.Ne5!?-/+) 21...Bc6-+ 22.Qf4 Qb6 23.Ba1 Rd8 (23...Qb3 24.Nce1-+) 24.Kg2 (better 24.d5 Ba1 25.dc6 Rd1 26.Bd1-/+) 24...Rd7 (better 24...Ng6!? 25.Qd2 Rh6-+) 25.d5=+ ed5 26.Bf6 gf6 27.Ncd4 (27.cd5 Rd5 28.Rd5 Bd5-/+) 27...Nd4-/+ 28.Rd4 (28.Nd4 Ba4 29.Rc1 Ng6=+) 28...Kg7 29.Rhd1 (29.Re1 Qc7 30.Qc1 dc4 31.Rc4 Rhd8-/+) 29...Rhd8 30.Kg1 (30.Ra1 Ng6 31.Qc1 dc4 32.Rc4 Ne5-+) 30...dc4-+ 31.Rd7 Rd7 32.Rd7 Bd7 33.Qc4 Be6 (33...Be6 34.Qd3 Bg4-/+) 0–1. Verbeeren,Peter (2005) – Maes,Wim (2270), Zwijndrecht BEL, Winter Open, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Ng6)

    10.Qg3 Nc6 11.Bd3 Qb6 12.Bg6= Bd2 13.Nd2 Qb2 14.Rb1 Qe5 15.Qe5 Ne5 16.Be4 Rb8 17.c5 b5 18.cb6 ab6 (18...ab6 19.Ne2 Decoy; 18...Rb6 19.Ra1 Combination) 19.Ngf3 Nc6 20.0-0 (better is 20.Bc6!? dc6 21.Ne5+/-) 20...d5= 21.Bd3 Bd7 22.Rb2 Kd8 23.Rfb1 Kc7 24.Bb5 Rhc8 25.Rc1 Kd6 26.Ba6 Rc7 27.Rcb1 Ra7 28.Be2 (worse is 28.Rb6 Rb6 29.Rb6 Kc7 30.Rc6 Kc6-+) 28...Rab7 29.Ng5 f6 30.Nh3 Be8 31.Nf4 g6 32.Bd3 Ne5 (better is 32...e5!? 33.Ng6 f5 34.Bf5 Rg7 35.Ne5 Ke5=) 33.Ba6+= Ra7 34.Rb6 Rb6 35.Rb6 Kc7?? (better is 35...Bc6 36.Bb5 Ra1 37.Kh2 Kc7+/-) 36.Re6+- Bd7? (36...Bc6 37.Bf1 Ra2+-) 37.Nd5 (37.Nd5 Kd8 38.Rf6+-) 1–0. Schiller,Stefan (1755) – Kues,Manuel (1715), Nittenau–ch 7th, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    10.Qg3 Nc6 11.Bd3 Nce7 12.Na3 d5-/+ 13.cd5 ed5 14.Nb5 Be6 (14...Nf5 15.Bf5 Bf5 16.Nd4-/+) 15.Ba3 Qa5 16.Nf3 Nf5 17.Bf5 (17.Qh2 0-0=+) 17...Bf5-/+ 18.Nd6 Bd6 19.ed6 Qa4 20.0-0 Qf4 (20...Qg4 21.d7 Kd8 22.Ne5 Qg3 23.Nf7 (worse 23.fg3 Ne5 24.Rf5 f6-/+) 23...Kd7 24.fg3+=) 21.Rfe1 (better 21.Rae1 Be4 22.d3 Qg3 23.fg3+-) 21...Be6?? (better 21...Kd8 22.Qf4 Nf4=) 22.Re6!+- fe6 (22...Kd8 23.Rg6 Qg3 24.Rg3 Rg8+-) 23.Qg6 Kf8 24.Ng5 Qf6 (24...Qg5 25.hg5 Rh6 26.gh6 Rd8 27.Qg7 Ke8 28.Qe7) 25.d7 Kg8 26.Qe8 (26.Qe8 Re8 27.de8Q Qf8 28.Qf8) 1–0. Stashis,Anna (1770) – Li,Yilin, World Youth Chess Championships, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Ng6)

    10.Qg3 Nc6 11.Bd3 Rh6 12.Nf3 d6 13.ed6? (better is 13.Be4+=) 13...Bd6-+ 14.Qg5 Be7 15.Qe3 Nb4 16.Bg6 Rg6 17.0-0 Nc2 18.Qe4 Na1 19.Ba1 Bf6 (19...f5 20.Qe3-+) 20.d4 (20.Bf6 gf6 (worse is 20...Qf6 21.Ne5-/+) 21.Nc3 a5-+) 20...Bd7 (20...Kf8 21.Nbd2-+) 21.Qb7 Rc8 22.Nbd2 Bc6 (22...Bh4?! 23.Ne5 Rh6 24.Qa7-/+) 23.Qa6 Kf8 24.Qa7 Qd6 (24...Kg8!? 25.Qa6-+) 25.Qa5-/+ Qf4 (25...Bf3 26.Nf3 Rc4 27.Qa8 Ke7-/+) 26.Qh5+= Kg8 27.d5 (better is 27.g3!? Bf3 28.Nf3+=) 27...Rh6-/+ 28.g3 Rh5 29.gf4 Ba1 30.Ra1 (30.dc6 Bf6-/+) 30...ed5-+ 31.c5 (31.Ra5 g6 32.Rc5 Bb7-+) 31...d4! 32.Nd4 Rh4 33.f3 (33.Nc6 Rc6 34.Nb3 Rf4-+) 33...Rf4 34.Nc6 Rc6 35.Ra8 Kh7 36.Ne4 (36.Ra5 Rd4 37.Ne4 Rd5-+) 36...f5 37.Rf8 Kg6 (37...fe4?! 38.Rf4 Rc5 39.Re4 Rc1 40.Kg2=) 38.Kg2 Rh4 (38...fe4?! 39.Rf4 ef3 40.Rf3 Rc5 41.Kg3=) 39.Kg3 Rh5 (39...Rh5 40.Nc3 Rc5-+; 39...fe4?! 40.Kh4 ef3 41.Rf3 Rc5 42.Rg3 Kh6 43.Ra3=) 0–1. Mishev,L (2210) – Petrov,Martin (2210), 79th ch–BUL SF, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    10.Qg3 Nc6 11.Bd3 Rh6 12.f4 d6 13.Be4 de5 14.fe5 Nd4 15.Ne2 Nf5 16.Qf2 Ngh4 17.Nbc3 Ng6 18.Bf5 ef5 19.Nd5 Bf8 20.Ra7 Ra7 21.Qa7 Ne7 22.Nef4 Nd5 23.cd5 Ra6 24.Qb8 g6 25.Bd4 Bd7 26.Qb7= Qa8 27.Qa8 Ra8 28.Kf2 Bh6 29.g3 Ra5 30.d6 Be6 31.Ne6 fe6 32.Rc1 Rd5 33.Rc8 Kf7 34.Rc7 Ke8 35.Re7 Kf8 36.Bc3 Bd2? 37.Bd2+- Rd2 38.Ke3 Rd5 39.Re6 g5 40.Rf6 Ke8 41.Rf5 h4 42.Ke4 (42.Ke4 Rd2 43.gh4 gh4 44.Rh5+-) 1–0. Williams,Si1 (2485) – Espig,Lutz (2350), 8. ch–Euro Dresden GER, 2007.

    10.Qg3 d5 11.Bd3 Rh6 12.Nf3 dc4 13.Bc4 Nc6 14.0-0 (14.Bc3!?=+) 14...Be7-+ 15.Nc3 Bh4 16.Nh4 Qh4 17.Nb5 Qg3 18.fg3 Kf8 19.Nc7 Rb8 20.d4 h4 (20...Nge7 21.Nb5-+) 21.Bc1 (21.Be6 Be6 22.Ne6 Kg8=+) 21...Rh7 (better 21...Nd4!? 22.Bh6 gh6-/+) 22.Ne6 Be6 23.Be6 Nd8 (23...Nh8!? 24.d5 Ne5 25.Ra7 Nhg6=) 24.Bf7 (24.Bf5 Kg8+-) 24...Nf7 25.e6 Ngh8 26.Ra7 Ke8 27.ef7 Nf7 28.Bf4 Rd8 29.Rb7 Rd4? (better 29...hg3 30.Bg3 g6 31.Re1 Kf8+-) 30.Re1 Kf8 31.Rb8 Nd8 32.Bg5 hg3 33.Rd8 Rd8 34.Bd8 Kf7 35.Bc7 Rh5 36.Bg3 Rb5 37.Be5 Kg6 38.Kf2 Rb7 39.Kf3 Kf5 40.Ba1 Rb3 41.Re3 Rb7 42.g4 Kg6 43.Bc3 Kf7 44.Kf4 Rc7 45.Be5 Rc4 46.Re4 Rc1 (46...Rc6 47.Ra4+-) 47.Kg5 (47.Rb4 g6+-) 47...Rc6 (47...Rc5 48.Kf5+-) 48.Rf4 Kg8 49.Ra4 Rc5 50.Kf5 Kh7 (50...Kf7 51.Ra7 Kf8 52.g5 g6 53.Ke6 Rc6 54.Bd6 Kg8 55.Ra8 Kg7 56.Ke7+-) 51.Ra7 Kh8 52.Ke6 Rc6 53.Kf7 Kh7 54.Ra1 (54.Bg7?! Rc7 55.Ke6 Ra7=) 54…Rh6 1–0. Ayza Leon,David (2295) – Martinez Pla,Xavier (2180), 5th Obert Actiu Sant Marti, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Ng6)

    10.Qg3 d6 11.Bd3 Ne5 (11...de5? 12.Bg6 Nd7 13.Bc2+-) 12.Be5 de5 13.Qg7 Rf8 14.Rh3 (14.Be2 Qd4 15.Ra2 Nc6-/+) 14...Qd4 15.Ra2 Bc5 16.Qf6 Nd7 17.Qf3 e4! 18.Be4 (18.Be4 Qc4 Deflection; 18.Qe4 Qf2 Deflection) 18...Ne5 (18...Nf6 19.d3 Ne4 20.Qe4 Qe4 21.de4-/+) 19.Qe2 f5 (worse 19...Nc4 20.Rd3 Qf2 21.Qf2 Bf2 22.Kf2+-) 20.Bc2 Bd7 (20...Rg8 21.Nf3 Nf3 22.Qf3-/+) 21.Qh5=+ Rf7 (21...Ke7 22.Qe2 Rg8 23.g3-/+) 22.Qe2 Rg7 (22...Rh7=+) 23.Kf1 (23.Nf3!? Nf3 24.Qf3 Qc4 25.Qb7=) 23...0-0-0 (23...Ke7 24.Re3 Nc4 25.Rc3-/+) 24.h5 (24.Re3 Nc6 25.Nc3-/+ (25.Re6? Be6 26.Qe6 Kb8 27.Qf5 Nb4-+)) 24…Rdg8-+ (24...Rdg8 25.g3 Rg3 26.Rg3 Rg3-+; 24...Nc4 25.Nf3 Qd5 26.Nc3 Nd2 27.Qd2 Bb5 28.Nb5 Qc4 29.Qe2 Qa2 30.Ne1+-) 0–1. Vlasak,Lukas (2220) – Ponizil,Cyril (2305), Kouty CZE, Ch U20 (b), 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7 8.Qg4 Ng6)

    10.Qg3 d6 11.f4 Nc6 12.Bd3 Nce7 (12...Rh6 13.Nf3-/+) 13.Ne2 Nf5 (13...de5 14.Be5 0-0 15.Bg6 Ng6 16.Qf3-/+) 14.Bf5+= ef5 15.Nbc3 (15.ed6 0-0 16.c5 b6-/+) 15...Be6-/+ 16.Nd4 Bc4 17.e6 (17.Nf5 de5 18.fe5 0-0-+) 17...Qe7 (17...Qf6 18.Nd1 Bc5 19.Ne2 Qe6 20.d3-+) 18.0-0-0 0-0-0 (18...Rc8 19.Rde1 Qd8 20.Kd1-+) 19.Rde1-/+ Bc5 20.Nf5 Qf6 21.Ne3 Be3 (worse is 21...Qe6 22.f5 Qe5 23.Qf3 Be3 24.Re3+/-; 21...Be6?? 22.Ncd5 Nf4 23.Bf6 (23.Qf4?! Qf4 24.Nf4 Kd7+/-; 23.Nf4?! Ba3 24.Ba3 Qa1 25.Kc2 Qa3 26.Ne6 Qa4 27.Kd3 Qb5 28.Ke4 fe6 29.Rc1 Kb8+/-) 23...Nd3 24.Kb1 gf6 25.Re2+-) 22.de3 (22.Qe3!? Be6 23.Ne2-/+) 22...Qe6-+ 23.Qg5 Qg4 24.Ne4 (24.Qg4 hg4 25.h5-+) 24...f6 (24...Qg5!? 25.hg5 Bd5 26.Nf2 Bg2 27.Rh2-+) 25.Qg4 (25.Nf6 Qg5 26.hg5-/+ (26.fg5? gf6 27.Bf6 Rhg8-+)) 25...hg4-+ 26.h5 Ne7 27.Ng3 b5 28.Rh4 (28.h6 Rh6 29.Rh6 gh6 30.Bf6 Rd7-+) 28...a5 (28...Be6 29.Reh1-+) 29.Rg4 Rh7 30.f5 Kd7 31.Kd2 Rc8 32.h6 Rh6 33.Rg7 Rg8 34.Rg8 Ng8 35.Ne2 Be2 36.Ke2 Ne7 37.e4 Nc6 38.Ra1 Kc7 39.Kf3 a4 40.Bc1 Ne5 41.Ke3 Rh2 42.Ra2 Kc6 43.Kd4 Rh1 44.Rc2 Nc4 45.Kd3 Rd1 46.Ke2 Rg1 47.Kf2 Rh1 48.Bb2 Kc5 49.Bf6 b4 50.Bg7 b3 51.Rc3 Kb4 52.Rd3? a3 53.Bc3 Kb5 54.Be1 b2 55.Rb3 Kc5 56.Bb4 Kd4 57.f6 a2 58.Bc3 Ke4 59.Bb2 Nb2 60.Re3 Kd4 (60...Kd4 61.Ra3 Nd3 62.Kf3 a1Q 63.Ra1 Ra1-+) 0–1. Kislinsky,Alexey (2500) – Rozycki,Bartlomiej (2095), Gora Swietej Anny Poland, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Ne7)

    7.c4 Nf4

    8.g3 Ng6 9.Qb3 Nc6 10.Bg2 Qb6 11.Nf3 Na5 12.Qc2 Qc7 13.0-0 Qc4 (worse is 13...Nc4 14.d3+/-) 14.Qd1 Qc7 15.d4 b5 16.Qd3 a6 17.h4 Bb7 18.h5 Ne7 19.Rc1 Qd8 20.Nbd2 Bd5 21.Ba3 Ba3 22.Ra3 Qb6 23.Ne4 Nc4 24.Rac3 Rd8 25.h6 Be4 26.hg7 Rg8 27.Qe4 Rg7 28.Qh4 Ng8 29.Ng5 h6 30.Ne4 Rg6 (30...d5 31.Nc5-+) 31.Nc5 d5 32.ed6 Nd6 (32...Qd6?! 33.Be4 Qd4 34.Na6+=) 33.Nd3 Nc4 (better is 33...Nf5!? 34.Bc6 Kf8-+) 34.Ne5-/+ Ne5 35.de5 Ne7 36.Rc7 Nf5?? 37.Bc6+/- Qc6 38.Qd8! Kd8 39.R7c6 Ke7?? 40.Rc8 (40.Rc8 Rg3 41.fg3 Ng3 42.R1c7; 40.Ra6?! Kf8+-) 1–0. Nasikan,Nikolai – Levenko,Andrey, Kiev Independence Cup–B 5th, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.g3 Ng6 9.Nf3 Nc6 10.Bg2 Qc7 11.Qe2 0-0 12.0-0 d6 13.ed6 Bd6 14.Nc3 a6 15.Ne4 Be7=+ 16.d4 Re8 17.Rfd1 Bf8 18.Nfg5 h6 19.Qh5 Nb4 20.c5 Nd5 21.Nf3 Bd7 22.Ne5 Ne5 23.de5 Bc6 24.Nd6 Nb4 25.Bc3 a5 26.Rab1 g6 27.Qg4 Bg2 28.Kg2 Qc5 29.Qf3 Bd6 30.ed6 Qc6 31.Qc6 bc6 32.Bb4 ab4 33.Rb4 Ra5 34.Rb6 Rd5 35.Rd5 cd5 36.f4 Kg7 37.h4 ½–½. Barahona Torrijos,Angel (1900) – Montoya Pecurul,Marc (1795), Collado Villalba ESP, 2011.

    8.h4 Qb6 9.Bc3 -/+.

    8.h4 d6 9.h5 de5 10.Qb3 Nc6 11.g3 Nd4 12.Qd1 0-0 13.gf4+= ef4 14.Nc3 e5 15.Nd5 Bc5 16.Bd4 Bd4 17.Rb1 h6 18.Qf3 Re8 19.Ne2 Bf5 20.Rb7 Rb8 21.Rb8 Qb8 22.Nec3 Bc3 23.Nc3 e4 24.Qe2 Qd6 25.Bg2 Qd8 26.Bf1 Qg5 27.Qd1 e3 28.de3 Re3 (28...Re3 29.Ne2 Re6=+; 28...fe3?! 29.Qd4=) 0–1. Lopez de Jeronimo,FJ (1960) – Thierry,R D J (2250), WS/M/043 ICCF, 2006.

    8.h4 h5 9.g3+= Ng6 10.Be2 Nc6 11.Nf3 (11.f4 Qb6 12.Nc3 Nd4-/+) 11...Nge7 (11...0-0 12.Bc3-/+) 12.Nc3 a6 (12...0-0 13.Ng5+=) 13.Ne4 Qc7 (13...Ng6 14.Ra4=) 14.0-0 d5?? (better is 14...b6=) 15.ed6+- Bd6 16.Bg7 (16.Nd6?! Qd6 17.Bg7 Rg8=) 16...Nf5?? (16...Rg8 17.Nf6 Kd8 18.Ng8 Ng8+-) 17.Nd6 (17.Bh8 b6+-) 17...Qd6 18.Bh8 Ng3 (18...e5 19.Qb1+-) 19.fg3 Qg3 20.Kh1 e5 21.Qe1 Qh3 22.Nh2 Bg4 23.Bf6 Nd4 24.Bg4 hg4 25.Qe5 Ne6 26.Qd6 (26.Qd6 Qh2 27.Kh2 g3 28.Kg3 b5 29.Qe7) 1–0. Chapman,Nigel (1785) – Koci,Tereza, Brno CZE, 4th Open, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    8.Qg4 Ng6

    9.h4 Qb6 10.Nc3 h5 11.Qe4 Nc6 12.Nf3 a6 13.Na4 Qc7 Increases the pressure on e5 14.c5 Ba5 15.Bd3 Nb4 16.Bb1 Nd5 17.0-0 0-0 18.Ng5 Nde7 19.Qf3 Bd2 20.Qh5 Bg5 21.Qg5 Nf5 22.Bf5 ef5 23.h5 (23.Qf5?! Nh4 24.Qg4 Ng6+=) 23...Ne5 24.h6 (24.Qf5?! f6 25.Qe4 Qc6=) 24...Ng6 25.hg7 (worse is 25.Bg7 Qf4 26.Qf6 Qh4 27.h7 Qh7 28.Bf8 b5+-) 25...Re8 26.Qh6 (26.Qh6 f6 27.Qg6+-; 26.Qf5?! Qd8+-) 1–0. Shivananda,B (2375) – Yashashwat,S (1615), 10th Parsvnath Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    9.h4 h5

    10.Qe4 Nc6 11.Nf3 0-0 12.Na3 d5 13.Qe3 a5 14.Nb5 Qe7 15.Qg5 Qc5 16.Nc7 Rb8 17.Rc1 d4 18.Nb5 (18.Qh5 Rd8 (worse is 18...Nge5 19.Ng5 Rd8 20.Qh7 Kf8 21.Ne4 Nf3 22.gf3+-) 19.Qg5 Bd7-/+) 18...Nge5-+ 19.Ne5 f6 (19...Ne5 20.Bd4 f6 21.Bc5 fg5 22.Bf8 Kf8 23.hg5+/-) 20.Nd3 (20.Qh5 Ne5 (20...fe5?! 21.Bd3 e4 22.Qc5 Bc5 23.Be4=) 21.Qe2 Rd8-+) 20...fg5-+ 21.Nc5 Bc5 22.hg5 g6 23.Bd3 Kg7 24.g4 (24.f3 e5-+) 24...hg4 25.Rh6 Ne5 26.Bb1 (26.Bc2 Rf4 27.Ke2 Bd7-+) 26...Rf4 27.Ke2 Bd7 28.Rch1 Rbf8 (28...Rbf8 29.Rh7 Kg8 30.Rh8 Kf7 31.R1h7 Ke8 32.Rf8 Kf8-+) 0–1. marekt (2120) – dany59 (2215), gameknot.com, 2014.

    10.Qg3 Qb6 11.Nc3 a6 12.Bd3= Rh6 13.Nf3 d6 14.0-0 (14.Nb5 Nc6 15.ed6 Kf8+=) 14...Bd7 (14...Nd7!?+=) 15.Ne4 d5 16.cd5 (16.Bd4!? Qd8 17.cd5 ed5 18.Nd6 Bd6 19.ed6+/-) 16...ed5= 17.Neg5 Be6?? (better is 17...Bg4=) 18.Bd4+- (18.Ne6?! Qe6 19.Ng5 Qg4=) 18...Bc5 (18...Qc6 19.Rfb1 (19.Ne6?! Qe6 20.Bb5 Nc6+=) 19...Be7 20.Bb5 (20.Ne6?! Qe6 21.Rb7 Qg4+-) 20...ab5 21.Ra8+-) 19.Rfb1 Bd4 (19...Qc6 20.Bc5 Qc8 21.Ne6 Qe6+-) 20.Rb6 Bb6 21.Ne6 1–0. marekt – mizuzul, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nf4)

    10.Qg3 Qb6 11.Nc3 Nc6 12.Nf3= Nd4 13.Bd3 Ne7 (better 13...Nf3!? 14.gf3 0-0=) 14.Nd4+- Qd4 15.Rb1 (15.Na4 Qg4 16.Qg4 hg4+-) 15...Bc3 (15...Nf5 16.Nb5 Qb2 17.Rb2 Ng3 18.fg3+-) 16.Bc3+- (worse 16.dc3 Qg4 17.Qh2 Nf5=) 16...Qg4 17.Qg4 (17.Qh2 Nf5+-) 17...hg4+= 18.Be2 b6 19.Bg4 Bb7 20.f3 (20.Rh2 Be4 21.Ra1 Bd3+=) 20...Rc8 21.d3 Ng6 (21...Nd5 22.Bd4 f5 23.ef6 Nf6 24.Ra1+=) 22.g3+- Rc5 23.Rb5 Rc6 (23...Rb5 24.cb5 Ne7 25.Kf2+-) 24.Ke2 a6 (24...0-0 25.Rb3+-) 25.Rb3 b5 26.cb5 ab5 27.Bd4 (27.Rb5 Rc3 28.Rb7 f6 29.ef6 gf6+-) 27...Ba6 (27...0-0 28.Rd1 Ba6 29.f4+-) 28.Ra1 0-0 29.f4 Ne7 30.Bf3 Nd5 31.Bd5 ed5 32.Ke3 (32.Rba3 Bb7+-) 32...d6 33.ed6 (33.Rc3 Rc3 34.Bc3 de5 35.Ra6 d4 36.Bd4 ed4 37.Kd4 Rd8 38.Ke3 Re8 39.Kd2 Rb8+-) 33...Rd6 34.Bc5 (34.Kf3 Rc8+-) 34...Re6 35.Kd4 Rd8 (35...Rfe8 36.Ra2+=) 36.Rba3 (36.Ra5 Rc8+-) 36...Bb7 37.Ra7 Bc6 38.Rc7 Bd7 (38...Be8 39.g4+-) 39.Raa7 Be8 40.Re7 (40.f5 Re2+-) 40...Rg6 (40...Re7 41.Re7 f6 42.g4+=) 41.Re3+- Re6 (41...Rc8!?+-) 42.Re6+- fe6 43.Ke5 (43.g4 Bc6+-) 43...Bf7 (43...Bg6 44.Ke6 Bd3 45.Bd4+-) 44.Rb7 (44.g4 Rb8+-) 44...Bg6 45.d4 (45.Kd4 Ra8+=) 45...Bf5+= 46.Rb5 Rd7 (46...Ra8!?+=) 47.Rb2 (47.Rb8!? Kh7 48.Rb6+-) 47…Kf7 ½–½. Mesa,Francisco Alonso Jr (1900) – Ramos Martin,Lisandra (1970), 26th Guillermo Garcia Open, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nf4 8.Qg4 Ng6 9.h4 h5)

    10.Qg3 Qb6 11.Nc3 d6 12.Na4 Qd8 13.ed6 Bd6 14.Qb3=.

    10.Qg3 Nc6 11.Bd3 Nce7 12.Ra4 Qb6 13.Nc3 Bc5 14.Nb5 a6 15.Bc3 ab5 16.Ra8 bc4 17.Be4 (17.Bc4?? Qb1 18.Ke2 Qe4 19.Kd1 Qc4-+) 17...d5 18.ed6 Bd6 19.Qf3 0-0 20.Qh5 f5 21.Bc2 Be5 22.Ne2 Bc3 23.Nc3 Qd6 24.Qg5 Ne5 25.h5 Nf7 26.Qg3 f4 27.Qg6 0–1. Pechac,Jergus (2510) – Ponizil,C (2460), 26th Czech Rapid G1, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nf4)

    10.Qg3 Nc6 11.Bd3 Rh6 12.Nf3 d6 13.0-0 de5 14.Ne5 Nge5 15.Be5 Ne5 16.Qe5 Qd3 17.Qb5 Bd7 18.Qb7 Rc8 19.Qb4 Qc4 20.Qc4 Rc4 21.f4 (21.Nc3!?-/+) 21...Rg6 22.Kh2 Rf6 23.g3 Rc7 24.Ra5 g6 25.Nc3 Rf5 26.Rf5 gf5 27.Re1 Bc6 28.Re5 (better is 28.Ra1-+) 28...Rd7 29.Nb1 Be4 30.Rb5 Rb7 31.Nc3 Rb5 32.Nb5 Kd7 33.Na7?! (33.Kg1 a5 34.Kf2-+) 33...Bd3 34.Kg1 Kc7 35.Kf2 Kb7 (better is 35...f6!? 36.Ke3 Ba6 37.d4-+) 36.Ke3 Ka7 0–1. Zaloznyy,M (2130) – Vela Gonzalez,N (2120), National Open, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nf4 8.Qg4 Ng6)

    10.Qg3 d5 11.Bd3 Rh6 (11...Nc6 12.Bg6 fg6 13.Qg6 Kf8 14.Nf3=) 12.Nf3= dc4 13.Bc4 Kf8 14.0-0 Be7 15.Ng5? (better is 15.Ba3=) 15...Nh4! 16.Ba3 (16.Qh4 Bg5) 16...Nf5 17.Qf4 Qd4 18.Qd4 Nd4 19.Be7 (19.Nc3 h4-/+) 19...Ke7-+ 20.Na3 (20.Nc3 Nbc6 21.f4 f6 22.ef6 gf6-+) 20...Bd7 21.Ne4 (21.Rfb1 b6 22.Nb5 Bb5 23.Bb5-+) 21...Bc6 22.Nd6? (22.Bd3 Nd7 23.f4 a5-+) 22...Nd7 (better is 22...Rg6 23.Rfc1 Rg2 24.Kf1-+) 23.f4 Rg6 (23...a6 24.Bd3-+) 24.Rf2 f5 (24...a5!? 25.Nab5 Nb5 26.Bb5 Bb5 27.Nb5-+) 25.Nab5 Nb5 26.Bb5 a5 27.d4 Bb5 28.Nb5 Rg3 29.d5 ed5 30.Nc7 Ra7 31.Nb5 Ra6-+ 32.Nc7 Rc6 33.Nd5 Kf7 34.Ra5 Rc1 35.Kh2 Rd3-/+ 36.Rb2 h4 37.Rb7= Rdd1?? 38.Rd7+- Kg8 39.Ra8 Kh7+- 40.Nf6 Kg6 41.Rd1 Rd1 42.Ne8 1–0. Hoyer,Olaf (1890) – Muratov,Lir (2065), Opatija CRO, World Deaf Open, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.c4 Nf4)

    10.Qg3 d6!? -/+.

    7.Qg4 0-0

    8.c3 Be7-/+ 9.d4 f5 10.Qg3 b6 11.f4 0–1. gregorgysi (2250) – countfosco (2365), net–chess.com, 2009.

    8.Bd3 Qb6 9.Bd4 Bc5 10.Nf3 Bd4 11.Qd4 (11.Nd4? Qb2 12.Nb3 Nc6-+) 11...Qd4 12.Nd4 -/+.

    8.Bd3 Nc6 9.Qe4 (9.Nf3 g6-/+) 9...g6 10.c4 (10.Nf3 f5 11.ef6 Nf6-/+ (worse is 11...Rf6 12.Bf6 Qf6 13.c3=)) 10...f5-+ 11.Qf3 Nde7 (11...Nb6 12.Qe2-+) 12.Qe2 d6 (12...g5 13.Qe3-+) 13.Nf3 de5 14.Ne5 Bd6 15.f4 (15.Nc6!? Nc6 16.Na3-/+) 15...Ne5 16.fe5 Bc5 17.h4 (17.Ba3 Qb6-+) 17...Bd4 18.Bd4 Qd4 19.Nc3 Nc6 20.Qe3 Qe3 21.de3 Ne5 22.Be2 Bd7 23.Nb5 (23.Kf2 a5-+) 23...a6 (23...Bb5 24.cb5 Rfc8 25.Rf1-+) 24.Nd4 (24.Nd6 Bc6-+) 24...Rfc8 25.Rc1 Rc7 26.Kf2 Rac8 27.Rb1 Nf7 (27...Ng4 28.Bg4 fg4 29.c5-+) 28.Rb6 e5 29.Nb3 Bc6 30.Rb1 Rd7 31.Rb2 Nd8 32.Nc5 Rd6 33.Nd3 e4 34.Nb4 Kg7 35.Nd5 Rd7 36.Nb4 h6 37.g3 Kf6 38.Nd5 Ke5 39.Nf4 g5 40.hg5 hg5 41.Nh3 Ne6 42.Ra2 Rh8 43.Ra5 Kf6 44.Ng1 Rh2 45.Ke1 Rg2 46.Kf1 Rg3 47.Rb3 f4 48.Kf2 Rh7 0–1. Malhotra,Tarun (2005) – Nikolovski,Nikola (1915), European Youth Chess Championship U14, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.Qg4 0-0)

    8.Bd3 Nc6 9.Nf3 Be7 10.Qe4 g6 11.h4 Ncb4 12.h5 Nd3 13.cd3 b5 14.Nc3 Bb7 15.Nd5 Bd5 16.Qe3 Bf3 17.gf3 Kh8 18.f4 Rg8 19.Ke2 g5 20.h6 a5-+ 21.Rag1 a4 22.fg5 a3 23.Ba1 b4 24.d4 Rb8 25.Rb1 Qa5 26.Rb3 Rg5 0–1. Bursa,Renata (2045) – Zakoscielna,Kinga (1950), Polish TCh – 2ndLeague'06 Poland, 2006.

    8.Bd3 Nc6 9.Nf3 f5 10.ef6 Nf6 11.Qh4 e5 12.0-0 d6-/+ 13.Ng5 h6 14.Ne4 Bf5 15.Nbc3 Bc3 16.Nf6 Qf6 17.Qc4 d5! 18.Qc3 d4 19.Qb3-/+ Kh8 20.Ba3 Bd3 21.Qd3 Rf7 22.g3 Qf5 23.Qb3 e4 24.Rae1 Ne5 25.Re2 Qh5 26.f3 Rf3 27.Qb7 Rf1 28.Kf1 Qf3 29.Ke1 Qh1 30.Kf2 Ng4 0–1. Razinger,Hubert – Eliskases,Erich Gottlieb, Ebensee, 1933.

    8.Nf3 Nc6 9.c4 f5 (9...Nb6 10.Qg3=+) 10.ef6 (10.Qg3 Nb6=+) 10...Nf6-/+ 11.Qh4 d5 (11...e5 12.Bd3-/+) 12.Bd3 Ne4! 13.Qh5 (13.Be4 dc4 Deflection) 13...Qe8 (13...e5 14.Ne5 Qb6 15.Nc6 Bd2 16.Ke2 bc6 17.Bg7 Rf2 18.Kd1 Qb3 19.Bc2 Qc4 20.Qe8 Kg7 21.Qe7 Kg6 22.Be4 de4 23.Qd6 Kh5 24.Ra5 Ba5 25.Qh6 Kh6 26.Nc3 Qd3 27.Ke1 Qe2) 14.Qe8 Re8 15.Be4 de4 16.Ng5 e5 17.Ne4 (17.Nc3 Bf5 18.Nge4 Bc3 19.Nc3 Nb4-+) 17...Be6 18.Na3 Red8 19.0-0 (19.f3!?-/+) 19...Ba3 20.Ra3 Bc4 21.Rc1 (21.Rfa1 a5-+) 21...Bd5 (21...b5 22.f3-+) 22.Nc5 b6 (22...a5 23.Re3-+) 23.Nd3 Rac8 (23...Nd4 24.Bd4 ed4 25.f3-+) 24.Re1 (24.Rac3!?-/+) 24...e4-+ 25.Nf4 Bf7 26.Rg3 (better 26.d4 ed3! 27.Rd3-+) 26...Bg6 (26...Nd4 27.Rc3 Rc3 28.Bc3-+) 27.h4 (27.Ng6!? hg6 28.Bc3=) 27...Rd2-/+ 28.Bc3 Rd7 29.h5 (29.Ng6 hg6 30.Re4-/+) 29...Be8 (better 29...Bf5!? 30.Rg5 Rf7-/+) 30.Re4=+ Rf7 (30...h6 31.Nd5 Kh7 32.Rg7 Rg7 33.Nf6 Kh8 34.Re8 Re8 35.Ne8+-) 31.Ne6= g7 becomes the focus of attention 31...Ne7?? (31...Bd7 32.Bg7 Be6 33.Bh6 Kh8+-) 32.Bg7+- (32.Rg7?! Rg7 33.Ng7 Nd5=) 32...Nf5 (32...Ng6 33.hg6 hg6 34.Rg6 Rc1 35.Kh2 Rf5+-) 33.Rg5 (better 33.Bd4 Rg7 34.Rg7 (34.Bg7?! Ng3 35.fg3 Bh5+-) 34...Ng7 35.Ng7+- (35.Bg7?! Bh5 36.Bd4 Rc4+-)) 33...Ng7=+ (worse 33...Rg7 34.Ng7 (worse 34.Rf5 Rf7 35.Rg5 Kh8=) 34...Ng7 35.Re7+-) 34.h6 (34.Reg4 Kh8 35.Rg7 Rg7 36.Rg7 (worse 36.Ng7 Bf7-/+) 36...Rc1 37.Kh2=) 34...Bc6 (34...Bd7 35.Ng7 Rc1 36.Kh2 Kf8-/+ (36...Rf2? 37.Re7 Rc5 38.Rc5 bc5 39.Rd7+-)) 35.Reg4= Bd7 36.Rg7 Kh8 37.Rf7 Be6 38.Rgg7 Bf7 39.Rf7 Ra8 40.Rb7 Kg8 41.g4 (41.f4 a5=) 41...a5 42.Rb6 a4 43.Rb2 Kf7 44.f4 Kg6 45.Kg2 (45.Kf2 Kh6 46.g5 Kg7 47.Rb7 Kg8=) 45...Kh6 46.Kg3 (46.Kf3 a3 47.Ra2 Ra4=+) 46...Kg6 (46...a3 47.Ra2=+) 47.Kf3 a3 48.Ra2 Ra4 ½–½. Perunovic,Milos (2695) – Vuckovic,Bojan (2495), Belgrade Planetwin, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.Qg4 0-0)

    8.Nf3 Nc6 9.Bd3 Qb6 10.Bh7!= (10.Bh7 Kh8 11.Be4+-) 1–0. gregorgysi (2295) – mippus (2210), net–chess.com, 2009.

    8.Nf3 Nc6 9.Bd3 f5 10.ef6 Nf6 11.Qh4 g6 12.Ng5 (12.Nc3 Nh5 13.Qd8 Rd8=+) 12...e5 13.Ra4? (13.c3 Nh5 14.cb4 Rf4-/+) 13...Qe7 (13...Nh5!? 14.Rb4 Nb4 15.Qb4 Qg5 16.Bc4 Kg7-/+) 14.0-0 Bc5 (14...d5 15.Nc3=+) 15.Rc4 (15.Ba3 Ba3 16.Na3 d5-/+) 15...d6 (15...b6 16.Ra4 d5 17.Ba3-+) 16.Rc5 (16.Nc3 Bf5 17.Bf5 gf5-/+) 16...dc5 17.f4 (17.Bc4 Kg7 18.Re1 h6-/+) 17...Nh5 (17...Nd5 18.Bc4 Be6 19.g3-/+) 18.Bc4 Kh8 19.Nc3 (19.fe5 Rf1 20.Kf1 Kg7 (20...Ne5 21.Nf7 Qf7 22.Bf7 Kg7 23.Qe7 Kh6 24.Be5 Bg4 25.h4 Ng3 26.Bg3 Be2 27.Ke2 Re8 28.Be8 b6 29.Be5 Kh5 30.Qg5) 21.e6 Nd4 22.Bd4 cd4 23.Qd4 Qf6 24.Qf6 Kf6 25.Nh7 Ke7-/+) 19...Nd4 (better 19...h6!? 20.Nd5 Qd8-+ (20...hg5?! 21.Ne7 gh4 22.Ng6 Kg7 23.Nf8 Kf8 24.fe5 Kg7 25.e6 Nd4 26.Rf7 Kh6 27.Rf8=)) 20.Nd5= Qd7 21.Qe1 Qg7 (21...ef4!? 22.Nf4 Nf4 (22...Rf4 23.Rf4 Kg7 24.Qe5 Kh6 25.Rf7 Ne2 26.Be2 Qc7 27.Rc7 Nf6 28.Qf6 Bd7 29.Nf7) 23.Nf7 Rf7 24.Qe5 Rg7 25.Rf4 h5+=) 22.fe5+= Rf1 (22...Be6 23.Bd4 (23.Ne6?! Rf1 24.Qf1 Ne6=) 23...Bd5 24.Bd5 Rf1 25.Qf1 cd4 26.Nf7 Kg8 27.Nd6 Kh8 28.g4+-) 23.Qf1+- Be6 (23...Bf5 24.Ne3 Rf8 25.Nf5 gf5 26.Bd4 Qg5 27.Bc3+=) 24.Bd4 (24.Ne6?! Ne6 25.Qd3 Rd8=+) 24...Bd5 25.Bc3 (better 25.Bd5 cd4 26.Nf7 Kg8 27.g4+-) 25...Rf8= 26.Nf3 (26.Qa1 Bc4 27.e6 Rf1 28.Qf1 Bf1 29.Bg7 Kg7 30.Kf1 Kf8 31.Nh7 Ke7=+) 26...Bc4 27.Qc4 Qe7 28.e6 (28.d4!? Nf4 29.d5=) 28...Kg8 29.d4? (better 29.Ng5!? Ng7 30.Qh4-/+) 29...Nf4-+ 30.d5 (30.Bd2 Qe6 31.Qc5 b6-+) 30...Qd6 31.e7 (31.Ne5 Ne6 32.Ng4 Nd4 33.Bd4 cd4-+) 31...Qe7 32.Be5 (32.d6 Qe6 33.Qe6 Ne6-+) 32...Qf7 (better 32...Nh3! 33.gh3 Rf3 34.d6 Qf7 35.Qe2-+) 33.Bf4 Qf4 34.Qc5 b6 35.Qc3 (35.Qe7-+) 35...Qd6 36.Qd3 Qc5 37.Kh1 Rd8 38.c4 b5! 39.Qe4 (39.cb5 Qd5 Deflection) 39...Qd6 (39...Qc4?! 40.Qe6 Kf8 41.Qf6 Ke8 42.Qe6 Kf8 43.Qf6 Ke8 44.Qe6 Kf8=) 40.cb5 Qd5 41.Qe3 Qd1 42.Ng1 Qd7 (42...Qd4 43.Qe6 Kf8 44.Qa2-+) 43.Nf3 (43.h4 Qc7-+ (43...Qb5?! 44.Qe6 Kf8 45.Qf6 Ke8 46.Qe6 Kf8 47.Qf6 Ke8 48.Qe6 Kf8=)) 43...Re8 (43...Qb7 44.h4-+) 44.Qb3 Qf7 (44...Qe6 45.Qb4-+) 45.Qb4 (45.Qd3 Rc8 46.h4 Qc4-+) 45...Qd5 (45...Rc8 46.Qa3-+) 46.h3 (46.h4 Rd8-+) 46...Rb8 47.Nd4 (47.Qe7 Rb5 48.Qe8 Kg7-+) 47...Rb6 (47...a5!? 48.Qc3 a4 49.b6-+) 48.Qc3 Rd6 49.Nf3 Qb5 50.Qc8 Kg7 51.Qc3 (51.Qc7 Qd7 52.Qc3 Kg8 53.Qb3 Qf7 54.Qb8 Qf8 55.Qb3 Kg7 56.Qc3 Qf6 57.Qc7 Kg8 58.Qb8 Rd8 59.Qa7 Rd1 60.Ng1 Qf4-+) 51...Rf6 52.Qc7 (52.Ne5 Qf1 53.Kh2 Qf4 54.Kh1 Re6 55.Qc7 Kf6 56.Ng4 Kg5 57.Qd8 Kh5 58.Qd5 Qf5-+) 52...Rf7 53.Qc3 Kg8 54.Qc8 Rf8 55.Qe6 Kg7 56.Qe3 (56.Qe1 Qc5-+) 56...a5 57.Qc3 (57.Qe7 Rf7 58.Qa3 Kg8-+) 57...Kg8 58.h4 (58.Qe1 Re8 59.Qd2 a4-+) 58...a4 59.Kh2 (59.Qa1 Qb4-+) 59...Qb3 (59...Qb8 60.Kg1 Qb3 61.Qc5-+) 60.Qc6 (60.Qd4 a3 61.Ne5 Qe6-+) 60...a3 61.h5 (61.Nd2 Qf7 62.Qa6 a2-+) 61...Qb8 (better 61...a2 62.Qc1 Ra8 63.hg6 hg6-+) 62.g3 (62.Kh1 Qb1 63.Kh2-+) 62…Qe8 (62...Qe8 63.Qc2 Rf3-+) 0–1. Myint Han (2285) – Yang,ching Wei (1995), 42nd Olympiad, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5 7.Qg4 0-0)

    8.Nf3 Be7 9.Nc3 f5 10.Qa4 Nc3 11.Bc3 b6 12.h4 (12.Be2 Bb7+=) 12...Bb7-/+ 13.Be2 a5 14.Kf1 (14.h5 Bb4-/+) 14...Na6 15.d4 (15.h5 Nc5 16.Qf4 a4-/+) 15...Qc7 16.Bd2 Nb4 17.c3 Nd5 18.Rc1 Qc6 (18...Bc6 19.Qa1-/+) 19.Bb5 Qb5! 20.Qb5 Ba6 21.Qa6 Ra6 22.c4 Nb4 23.Ke2 Rc8 24.h5 Ra7 25.d5 ed5 26.Bb4 Bb4 27.cd5 Rac7 28.Rc7 Rc7 29.d6 (29.Nd4!? Rc4 30.Kd3 Rc3 31.Ke2-/+) 29...Rc2-+ 30.Ke3 Bc5 31.Kf4 g6 32.hg6 (32.Rf1 Kg7-+ (32...Bf2? 33.Rf2 Rc4 34.Kg3+-; 32...Rf2?! 33.Rf2 Bf2 34.hg6=)) 32...hg6 33.Kg5 (33.Ng5 Rf2 34.Kg3-+) 33...Rf2?? (better is 33...Kg7 34.e6 de6-+) 34.Kf6+- Rg2 (34...f4 35.Ng5 f3 36.gf3 Bd4+-) 35.Nh4 Rg1 (35...Rg4 36.Ng6 Rg6 37.Kg6 f4 38.Rh7 Bd4 39.Rd7 Be5 40.Rd8) 36.Rg1 Bg1 37.e6 Bd4 38.Kg6 (38.Kg6 Bc5 39.e7 Bd6 40.e8Q Bf8 41.Qf7 Kh8 42.Qf8) 1–0. Johansson,R1 (2160) – Franzen,P, ch–SWE Mastarklassen, Lund SWE, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Nf6 6.e5 Nd5)

    5.Bb2 Bf8

    6.Ra3 d6 7.Nf3 Nc6 8.d4 d5 9.Re3 de4 10.Re4 Nf6 11.Re3 Bb4 12.c3 Be7 13.Nbd2 0-0 14.Ne5 Qc7 15.Bd3 b6 16.0-0 Bb7 17.f4 g6 18.Rh3 Rfe8 19.Qe1 Bf8 20.Qh4 Bg7 (better is 20...Nh5!?+=) 21.Ne4+= Nh5 22.g4 Ne5? (better is 22...f5 23.gh5 fe4 24.hg6 h6+/-) 23.fe5+- Be5? (23...Be4 24.Be4 f5 25.Ba8 fg4 26.Qg4 Ra8 27.Qe6 Kh8+-) 24.gh5 Bh8 25.hg6 fg6 26.Ng5 Re7 27.Bg6 Rg7 (27...Rc8+-) 28.Bh7 Rh7 29.Nh7 (29.Nh7 Bg7 30.Qg5+-) 1–0. Dobrov,Vladimir (2490) – Dragomarezkij,Evgeni (2485), RUS Cup Qualifier, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Ra3 d6 7.Rg3 Nf6 8.Nc3 Nc6 9.d4 Qb6 10.Qa1 Nd4 11.Bd3 Nc6 12.Nd5? (better is 12.Nf3-/+) 12...ed5-+ 13.Bf6 gf6 14.Qf6 Qd4 15.e5 (15.Qd4 Nd4 16.ed5-+) 15...Ne5 (15...Qe5?! 16.Re3 Rg8 17.Re5 de5 18.g3-+) 16.Re3 Kd7 (16...Rg8 17.Bb5 Bd7 18.c3 Qe3 19.fe3 Bb5 20.g3-+) 17.Bb5 (17.Kf1 Rg8 18.Nf3 Nf3 19.Qf3 Rg7-+) 17...Kc7 18.Kf1 Nc6 (18...Rg8 19.Nf3 Qg4 20.Ne5 Qg2 21.Ke2 Qh1 22.Rc3 Kb6 23.Qd8 Kb5 24.Qe8 Ka5 25.Ra3 Kb6 26.Rb3 Kc7 27.Rc3 Kb6 28.Rb3 Kc7 29.Rc3 Kb6 30.Rb3=) 19.Qf7 Bd7 20.Nf3 Qc5 21.Bd3 Bh6 22.Bf5 Rad8 (22...Rad8 23.Re2 Ne5 24.Ne5 de5 25.Bd7 Rd7-+) 0–1. Borzakian,Manouk (2195) – Velikov,Petar (2440), Paris ChessXV, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Ra3 d6 7.Rg3 Nf6 8.Nc3 Nbd7 9.Bc4 a6 10.Qa1 Nh5 11.Rh3 Nf4 12.Rg3 Ng6 13.Nce2 Nf6 14.Re3 Be7 15.h4 Qc7 16.Bb5 Bd7 (worse is 16...ab5 17.Qa8 0-0 18.Rc3+=) 17.Bd7 Nd7 18.Bg7 Rg8 19.Nf3 f6 (better is 19...Qc2!? 20.Ned4 Qc5-/+) 20.Bh6= Kf7 (worse is 20...Qc2 21.Nfd4 Qc8 22.Ne6+/-) 21.Rc3 Qd8 22.Ned4 Rc8?? (better is 22...Nc5 23.d3 Ne5=) 23.Ne6+- Qb6 24.Nc7!! Rc7 25.Qa2 Ke8 26.Qg8 Ngf8 27.Rc7 Qc7 28.Bf8 Nf8 29.Qb3 Qd7 30.Nd4 Qg4 31.Qf3 Qg6 32.Nf5 Ne6 33.g3 Ng7 34.Nd4 Qf7 35.Qb3 Bd8 36.Qf7 Kf7 37.c4 Ke8 38.Ke2 Kd7 39.Rb1 Kc8 40.Nf5 Nf5 41.ef5 1–0. Lutz,Klaus Juergen (2315) – Feist,Peter (2255), Oberliga Ost–B, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Ra3 Nf6 7.Re3 Nc6 8.Nf3 Ng4 9.Re2 a5 10.h3 Nf6 11.e5 Nd5 12.c4 Ndb4 13.d4 b6 14.Rd2 d5 15.ed6 Qd6 16.d5 Ne7 17.Be5 Qc5 18.Bd4 Qd6 19.Be5 Qc5 20.Nc3 ed5 21.Nb5 (worse is 21.Nd5 Ned5 22.cd5 f6-/+) 21...f6 22.Nc7 Kf7 23.Na8 fe5 24.Ne5 Kg8 25.cd5 Ned5 26.Bc4 Be6 27.0-0 b5 28.Bd5 Nd5 29.Re1 Nc3 30.Qf3 Nd5 31.Ng4 Bf7 32.Re5 Qc1 33.Rd1 Qf4 34.Red5 Qf3 35.gf3 Bd5 36.Rd5 a4 37.Rb5 1–0. Damia,Angelo (2210) – Massironi,Marco (2145), Vigevano UTE 1st, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Ra3 Nf6 7.e5 Nd5 8.Rg3 Nc6 9.Nf3 d6 10.ed6 Nf6 11.Nc3 a6 12.Bd3 Qd6 13.0-0 Bd7 14.Qa1 Qe7 15.Na4 Qd8 16.Nb6 Rb8 17.Nd7 Nd7 (17...Qd7?? 18.Bf6 Rg8 19.Bg7+- (19.Bh7?! Rh8 20.Rh3 gf6 21.Qf6 Rh7 22.Rh7 Qe7+-); worse is 17...Kd7 18.Ne5 Ke8 19.Nc6 bc6 20.Ba6+=) 18.Rg7 Bg7 19.Bg7 Rg8 20.Bh7 Rg7 21.Qg7 Qf6 22.Qg3 Ke7 23.Be4 Nd4 24.Nd4 Qd4 25.Qg5 Nf6 26.Bf3 b5 27.c3 Qd6 28.Ra1 Qb6 29.h3 a5 30.d4 a4 31.d5 Rg8 32.Qh4 Qc5 33.Rd1 Qc3 34.d6 Kd7 35.Qf4 Rc8 36.Be2 Rc5 37.Qh6 Rd5 38.Rd5 Nd5 39.Bb5 Kd6 40.Qf8 Ke5 41.Qf7 a3 42.Qg7 Nf6 43.Qg5 Kd6 44.Qf4 Ke7 45.Qa4 Nd5 46.Bc4 Nb4 47.Qb3?? (better is 47.Qb5 Kf6 48.Qc5 Qe1 49.Kh2 Qe5 50.Qe5 Ke5 51.g4+=) 47...Qe1-+ 48.Kh2 a2 (48...a2 49.Qb4 Qb4 50.Ba2 Qd2-+) 0–1. Klings,Peter (2150) – Mrdja,Milan (2405), Cannes op, 2008. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Ra3 h5 7.Rh3=+ Qb6 8.Rb3= Qc7 9.Be2 Nf6 10.Nc3 Nc6 11.Nf3 a6-/+ 12.e5 Ne5 13.Ne5 Qe5 14.Na4 Qe4 15.Nb6=+ Rb8 16.0-0 d5 17.Re1+= Nd7 18.Ba6 Qf5 19.Nd7 Bd7 20.Be5 Rc8 21.Bb7 Rc2 22.Bd5! ed5? 23.Bc3?? Be6?? 24.Rb8+- Kd7 25.Qa1 Bc5?? 26.Rb7 Kd8 27.Qa5 (27.Qa5 Bb6 28.Qb6 Ke8 29.Qc6 Kf8 30.Rb8 Ke7 31.Qc7#; 27.Qa8 Bc8 28.Qa5 Bb6 29.Qb6) 1–0. Briscoe,C (2165) – Pym,T (2050), Open, Coventry ENG, 2005.

    6.Na3 Nf6=+ 7.e5 Nd5 (7...Ne4 8.Nb5 Nc6 9.d3=+) 8.Nb5= Nc6 9.Bc4 Nb6 10.Bb3 a6 (10...Be7 11.Nd6 Bd6 12.ed6=+) 11.Nd6= Bd6 12.ed6 e5 (better 12...Qh4!?=+) 13.Qh5+- 0-0 (13...g6 14.Qh6 Rf8 15.Nf3+- (15.Qh7?! a5+=)) 14.Nf3 (14.Be5? Ne5 15.d4 g6 16.Qe5 Re8-+) 14...g6 (better 14...Qf6!?+-) 15.Qh6+- Qf6 16.h4?? (better 16.Qe3!? Qd6 17.Qb6+-) 16...a5+- (16...Qd6?? 17.Ng5 Qd2 18.Kd2 Nc4 19.Bc4 Re8 20.Qh7 Kf8 21.Qf7) 17.h5 Qg7 (17...Qd6?? 18.Ng5 Qd2 19.Kd2 Nc4 20.Bc4 Re8 21.Qh7 Kf8 22.Qf7) 18.Qe3 (18.hg6 Qh6 19.Rh6+- (19.gh7?? Qh7 20.Rh7 Kh7-+)) 18...Ra6? (18...a4 19.Ba2 Nb4 20.Qb6 Nc2 21.Kd1 Na1 22.Ba1 g5+-) 19.hg6+- hg6 20.Rh4 (better 20.Ne5 Nc4 21.Nc4+-) 20...a4 21.Ba2 (21.Ba4 Na4 22.Rha4 Re8+-) 21...a3 (21...Qf6 22.g3 (22.Be5?! Ne5 23.Qe5 Qe5 24.Ne5 Kg7+=) 22...a3 23.Be5 Ne5 24.Ne5+-) 22.Bc3 (22.Be5 Ne5 23.Ne5 Ra5+-) 22...Na4 (22...Qf6 23.g3 Na4 24.Be5 Ne5 25.Ne5+-) 23.Be5 Ne5 24.Ne5 (24.Qe5?! Ra5 25.Qg7 Kg7=) 24...Re8?? (better 24...Qf6 25.Rf4 Qh8 26.Rf7 Rf7+-) 25.Re4 (better 25.Bf7 Qf7 26.Rh8 (26.Nf7?! Re3 27.de3 Kf7+-) 26...Kh8 27.Nf7 Kg7 28.Qe8+-) 25...Rf8 26.Ke2 Nb6 (26...Ra5 27.Nf7 Rh5+-) 27.Rh1 Qf6 (27...Ra5 28.Nf7 Rh5 29.Rh5 gh5+-) 28.Nf7 (28.Nf7 Ra4 29.Nh6 (29.Qb6? Re4 30.Kd3 Kg7-/+) 29...Kg7 30.Re7 Rf7 31.Nf5 Qf5 32.Qc3 Rd4 33.Qd4 Qf6 34.Rf7 Kg8 35.Qf6 Nc4 36.Qg6) 1–0. Ciocan,Maria_Alexandra (2015) – Muetsch,Annmarie (2135), 27. EY GU16, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Nc3 Nc6 7.Nf3 d6 8.d4 d5 9.Bd3 Be7 10.e5 Nh6 11.0-0 0-0 12.Bc1 Nf5 13.Bf5 ef5 14.Ba3 Ba3 15.Ra3 f4 16.Qd2 g5 (16...f6 17.Rb1=+) 17.Nb5 (17.h3 h5=) 17...Qe7 (better 17...g4!? 18.Ne1 f6=+) 18.Ng5 f6 (18...Qg5 19.Rg3 Bg4 20.f3+=) 19.Nf3 Kh8 20.Re1 a6 21.ef6 Qf6 22.Ne5 Rb8 (22...Qd8 23.Nc3+=) 23.Nc3 Ne7 (23...Qd6 24.Nb1+=) 24.Ne2 Ng6 25.Ng6 (25.Rf3!? b5 26.Ng6 hg6 27.Nf4+-) 25...hg6+= 26.Rf3 f4 becomes the focus of attention 26...g5 27.h4 gh4 (27...Bg4!? 28.hg5 Qg5 29.Rf4 Rg8+=) 28.Nf4+- (worse 28.Rf4 Bf5+=) 28...Rg8? (28...Bg4 29.Nd5 Qg7 30.Re7+-) 29.Re5 (29.Nd5!? Qg7 30.g3 Qg5 31.Qg5 Rg5+-) 29...Bf5 30.Nd5 Qg6 (30...Qg7 31.g3 hg3 32.Ref5 (32.Rff5?! gf2 33.Kf2 Qg1 34.Kf3 Rg3 35.Kf4 Rg4 36.Kf3 Rg3 37.Kf4 Rg4 38.Kf3 Rg3=) 32...gf2 33.Kf2 Qg1 34.Ke2 Rg2 35.Rf2 Re8 36.Kd3 Rg3 37.R5f3 Rf3 38.Rf3+-) 31.Ne3 (better 31.g3 Bc2 32.Rf6 Qh7+-) 31...Bd7 32.d5 Rg7 (32...Rgf8 33.Qd4 Kg8 34.Rf8 Rf8 35.Qh4+-) 33.Qd4 Rbg8 (33...Bg4 34.Rf4 Bf3+-) 34.Re4 Re8 35.Rh4 Kg8 36.Rg3 (36.Qf4 Qf7 37.Qf7 Rf7 38.Rf7 Kf7 39.Rh7 Kf8 40.Rd7 Re7 41.Re7 Ke7+-) 36...Qf7 37.Rf4 Qe7 38.Re4 Qf8 39.Re8 Be8 40.Rg7 (better 40.Ng4 Qe7 41.d6 Qe1 42.Kh2+-) 40...Qg7 41.Qg7 (41.Qb6!? Qa1 42.Kh2 Qe5 43.g3 Qe7+-) 41...Kg7 42.Nf5 (42.c4 a5+-) 42...Kf6 43.Nd6 Ba4 44.Nb7 Bc2 45.d6 Ba4 (45...Ke6+-) 46.Nc5 Bb5 47.g4 a5 48.g5! Kg5 49.d7 Bd7 50.Nd7 a4 51.Nc5 a3 52.Ne4 Kf4 53.Nc3 Kf3 54.Kf1 Kf4 55.Ke2 Ke5 (55...Kg4 56.Ke3+-) 56.Kd3 Kf4 57.Kc2 Kf3 58.Nd1 1–0. Zlatin,Alexander (2190) – Gan_Erdene,Sugar (2305), 5th Prague Summer Open, 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Qf3 Qb6 7.Qc3 Nc6 8.Na3 a6 9.Nc4 Qb4 (9...Qc7 10.e5 f6 11.Nf3+=) 10.Qg3 f6 (10...Nf6 11.e5 Nd5 12.Bd3=) 11.Ba3 Qa4 12.Nd6 (12.Bd3!? b5 13.Nd6 Bd6 14.Qd6=) 12...Bd6+= 13.Qd6 (better is 13.Qg7!? Ba3 14.Qh8-/+) 13...Qe4-+ 14.Be2 Nge7 15.Nf3 0-0 (15...Qc2!? 16.Bd3 Qb3 17.Bb1-+) 16.c4 Re8 17.d3 Qg6 18.Bb2 Nf5 19.Qc7 d5 20.g4 Re7?? (better is 20...Nh6 21.g5 fg5-+) 21.gf5= Qf5 22.Qd6 dc4 23.Nd4 Qd5-/+ 24.Qd5 ed5 25.Nc6 bc6 26.Kd2 Rb8 27.Bd4? cd3?? 28.Bd3= Ra8 29.Ra5 f5 30.f4 h6 31.Rg1 Kh7 32.h4 h5 33.Rg5 Kh8? 34.Be5 Rd7 35.Kc3 c5? 36.Rc5 a5 37.Rc6 Bb7? 38.Rcg6 a4 39.Ra6 (39.Ra6 Ba6 40.Bf5-+) 1–0. Smiatek,Hans Dieter – Goedicke,Leni, Cologne–ch, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    6.Nf3 Nc6 7.c4 Qb6 8.Qc2 Nb4 9.Qc1 Nf6 10.e5 Ne4 11.d4 d6 12.Nc3 Nc3 13.Bc3 Na6 14.ed6 Qd6 15.Ne5 Qd8 16.Be2 f6 17.Nd3 Be7 18.Bf3 Nc7 19.0-0 0-0 20.Qb2 a6 21.Rfd1 (21.Bb7? Rb8-+) 21...Rb8 22.d5 ed5 23.Nf4 Qe8 24.Re1 Qd8 25.Rad1 (worse is 25.cd5 Bd6 26.Ne6 Be6 27.de6 Nb5+=) 25...Qd6 (better is 25...Bd6 26.Bd5 Nd5 27.Nd5 b6=) 26.Bd5 Kh8 27.Qe2?? (better is 27.Rd4!? g5 28.c5 Qc5 29.Rc4+-) 27...Bd8 (27...Nd5? 28.Nd5 (28.Rd5?! Qf4 29.Qe7 Rg8=) 28...b5 29.cb5+- (worse is 29.Ne7 Qc5+-; 29.Qe7?! Qe7 30.Re7 Bg4+-)) 28.Rd4 Nd5 29.cd5 Bb6 30.Bb4 Bc5 31.Bc5 Qc5 32.Rc4 Qd6 33.Qe7 Qe7 34.Re7 Bf5 35.g4 (better is 35.Rcc7!?+=) 35...Bg4-/+ 36.Rcc7 b5 37.Ng6 hg6 38.Rg7 Rfd8 39.Rh7 ½–½. Gonzalez Somoza,Oliver (2230) – Franco Alonso,Alejandro (2420), ESP–ch Universities, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    6.Nf3 d6 7.Nc3 Nf6 8.d4 (8.Bd3 Nc6=) 8...Be7 9.Bd3 Nc6 10.0-0 0-0 11.e5 (11.Ba3 b6=) 11...Nd5 (11...de5 12.de5 Nd7 13.Qe2=) 12.ed6= Bd6 13.Nb5 Be7 14.c4 Nf4 (14...Ndb4 15.Qd2=+) 15.Be4 f5 16.Bb1 (16.Bc2 a6=) 16...a6=+ 17.d5 ed5 (17...Bf6 18.Bf6 Qf6 19.Bc2=+) 18.cd5= Nd5 (18...ab5 19.Ra8 Nb4 20.Bg7 Kg7 21.Qd4 Bf6 22.Qf4 (22.Qb4?! Nd5 23.Qc5 Nc7+-) 22...Nd5 23.Qg3 Kh8 24.Bf5+-; 18...Qd5?? 19.Ba2 Qa2 20.Ra2+-) 19.Ba2 Be6 (19...Ncb4 20.Nc7 Qc7 21.Bd5 Nd5 22.Qd5 Kh8 23.Ne5=) 20.Nbd4 Nd4 (20...Bf7!? 21.Nc6 bc6=) 21.Nd4= Bf7 22.Re1 (22.Nf5 Bf6 23.Bf6 Qf6 24.Bd5 Qf5 25.Bb7 Rad8=) 22...Nb4 (22...Bf6 23.Qf3 Qd7 24.Ne6 Bb2 25.Nf8 Kf8 26.Rad1=+) 23.Be6 (23.Nf5!? Qd1 A) worse 24.Red1 Bc5 (24...Ba2?! 25.Ne7 Kh8 26.Bc3=) 25.Bf7 Rf7-/+; B) 24.Ne7 Kh8 25.Red1 Ba2 26.Bc3=) 23...Be6 (23...Bf6 24.Bf5 Qb6 25.Qg4-/+) 24.Ne6=+ Qd1 25.Rad1 Rf7 26.Ng7 Nc6 27.Ne6 Bf6 28.Bf6 Rf6 29.Nc7 Rc8 (better 29...Rd8=+) 30.Rd7? (better 30.Ne8 Rf8 31.Nd6=+) 30...Rf7-+ 31.Rf7 Kf7 32.Ne6 h6 (32...a5 33.Nc5 Rc7 34.f4-+) 33.Nc5-/+ Rc7 34.Rb1 Nd8 35.Nd3 Kf6 36.Kf1 b5 (36...a5 37.Nf4 Rc5 38.Rb6 Rc6 39.Nd5 Kf7 40.Rb5-/+) 37.Nb4=+ Ra7 38.Rd1 Ne6 39.Nc6 Ra8 (39...Rb7 40.Ra1-/+) 40.Rd6=+ a5 41.Nd4?? (41.f4 Ra6 42.g4 fg4 43.Ke2=+) 41...Ke5-+ 42.Re6 (42.Nf5 Kf5 43.g4 Ke5-+) 42...Kd4 43.Ke2 (43.Rd6 Kc4 44.h4 a4-+) 43...Kc3 (43...a4 44.Rh6 a3 45.Rd6 Kc3 46.Rd3 Kc4 47.Rd1-+) 44.Kd1 (44.Rc6 Kb4 45.Kd1 a4 46.Rh6 a3-+) 44...Kb2 45.Re5 (45.Rh6 b4 46.Re6-+) 45...b4 46.Rf5 (46.Re2 Ka1 47.g4-+) 46...Rc8 (better 46...a4!? 47.Re5 Rd8 48.Ke1-+) 47.Ke2?? (better 47.Ra5 b3 48.f4=+) 47...a4-+ 48.Rf4 Rb8 49.Kd3 (49.Rd4 a3 50.Rd2 Kc3 51.Ra2 Re8 52.Kf3-+) 49...a3 50.Re4 a2 51.Re2 Ka3 (51...Ka3 52.Ra2 Ka2-+) 0–1. Korostenski,Frantisek (2180) – Skut,Michal (2050), CZE–ChT2A, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Bb2 Bf8)

    6.Nf3 d6 7.d4 Nf6 8.Nbd2 Nc6 9.Bb5 Bd7 10.Qe2 a6 11.Bc6 Bc6 12.d5 Bd7 13.0-0 Be7 (worse is 13...ed5 14.ed5 Be7 15.Bf6 gf6 16.Rfe1+=) 14.e5 Nd5 15.c4 Nf4 16.Qe4 de5 17.Be5 Ng6 18.Bg7 Rg8 19.Bc3 Bc6 20.Qe3 Qc7 21.g3 h5 22.Rfd1 h4 23.Ba5 Qc8 24.Ne4 Be4 25.Qe4 hg3 26.hg3 f5 27.Qe3 f4 28.Qe4 fg3 29.fg3 ½–½. Pustovoitova,D (2300) – Goryachkina,A (2330), Moscow RUS, RSSU GM (w), 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    6.Ra3 Nc6

    7.Rg3 e5 8.Bc4 Nf6 9.Qe2 g6 10.Nh3 Be7 11.0-0 0-0 12.Kh1 d6 13.Ng5 Qb6 14.Ba1 Nd4 15.Bd4 Qd4 16.c3 Qb6 17.h4 Nh5 18.d4? (better is 18.Re3-+) 18...Ng3 19.fg3 Bg5 20.hg5 ed4 21.e5 (21.Qd3 dc3 22.Nc3 Be6-+) 21...Bf5 22.Nd2 (22.ed6 Qd6 23.Bd3 Rfe8-+) 22...dc3 23.Ne4 Be4 24.Qe4 Rac8 (24...de5 25.Qe5 Rac8 26.Bd5-+) 25.ed6 (25.e6 Qc5 26.ef7 Kg7-+) 25...Qd6 26.Bb3 Qc5 27.Rf3 Qg5 (27...Qg5 28.Rf1 b5-+) 0–1. Pulito,A (2285) – Motola,Jacopo (2030), Biella ITA, 4th Open, 2013. (=1.e4 c5 2.a3 e6 3.b4 cb4+= 4.ab4 Bb4 5.Bb2 Bf8)

    7.Rg3 Nf6 8.Nc3 a6 9.Nf3 d6 10.d4 Qb6 11.Ba1 Qa5 12.Bd3 g6 13.0-0=+ Bg7 14.d5 Ne5 15.de6 Be6-/+ 16.Nd4 Bd7 17.f4 Nd3 18.Qd3 0-0 19.f5 Rac8 20.Rgf3 Qc5 21.Kh1 Qc4 22.Qd2 Rce8 23.Re1? b5-+ 24.Rfe3? b4 25.Nd1 Ne4! 26.Qe2 Qe2 27.R1e2 Nc3 28.Bc3 bc3 29.fg6 Bd4 30.gf7 Kf7 (30...Kf7 31.h3 Re3 32.Re3 Be3 33.Ne3 Ke6-+) 0–1. Rodrigues,Em (2125) – Petrov,Marij (2405), 10th Open, Creon FRA, 2005.

    7.Rg3 Nf6 8.e5 Nd5 9.Nf3=+ h6 10.Na3 Rg8 11.Bd3 g5 12.Nc4 Nf4 13.Bh7 Rg7 14.Be4 Be7 15.h4 g4= 16.Nh2 f5 17.ef6!+- Bf6 18.Bf6 Qf6+= 19.Ng4 Qd4 20.Nge3 d5 21.c3 Qf6 22.Rg7 Qg7 23.g3 de4 24.gf4 b6 25.Qa4 Bb7 26.Nd6 Kd7 27.Nb7+- Kc7 28.Qe4 Kb7 29.Qe6 Rd8 30.Ke2 Rf8 31.Qe4 Qf7 32.Rg1 Re8 33.Rg7! Qg7 34.Qe8 Qf6? 35.Qd7 Ka6 36.Nd5 Qg6 37.Nc7 Kb7 38.Ne6 Ka6 39.Qc6 Qg4 40.Ke3 Qh3 41.f3 (41.f3 Qf5 42.Qa4 Kb7 43.Qd7 Ka6 44.Nc7 Kb7 45.Qf5 Kc7 46.Qe5 Kb7 47.f5 b5 48.f6 h5 49.Qb5 Kc8 50.f7 Kc7 51.f8Q a5 52.Qfb8) 1–0. Kaufman,R (2255) – Zaremba,An (2315), US Amateur Team East, Parsippany USA, 2005.

    7.Rg3 Nf6 8.e5 Ne4 9.Re3 Qb6 10.Ba3 d5 11.Bf8 Rf8 12.c3 Qb2 13.f3 Nc5 14.d4 Na4 15.Ne2 (15.Qa4 Qc1 Double attack (15...Qb1 Deflection)) 15...Bd7 16.Nf4 Na5 17.Be2 (17.Nh5!?-/+) 17...Rc8-+ 18.0-0 (18.Nd3 Qa1 19.Nc5 Nc5 20.dc5 Ba4-+ (20...Rc5?! 21.0-0-+)) 18...Nc3 19.Nc3 Rc3 20.Rc3 Qc3 21.Nh5 (21.Qd3 Qd3 22.Bd3 Nc6-+) 21...Nb3 (21...Nc6 22.Ng7 Ke7 23.Nh5-+) 22.Ng7 Ke7 (22...Kd8 23.Rf2-+) 23.Kh1 Nd4 24.Bd3 (24.f4 Qb2 25.Bg4 Bb5-+) 24...Rg8 25.Nh5 Rg5 26.f4 (26.Nf6 Re5 27.Nd7 Kd7-+) 26...Rh5! 27.Qh5 Qd3 28.Qg5 Kf8 29.Qd8 Be8 30.Qd6 (30.Ra1 Nc6 31.Qd6 Kg7-+) 30...Kg7 31.Ra1 Bc6 32.h4 (32.Qd8 Qg6 33.Rf1 Nf5-+) 32...Qg6 (better 32...Nc2 33.Qd8 Na1 34.Qf6 Kf8 35.Qd8 Be8 36.Qg5-+) 33.Ra3 (33.Qd8-+) 33…Nb5 (33...Nb5 34.f5 Qg4-+ (34...Qf5 35.Rg3 Kh6 36.Qf8 Kh5 37.Rg5 Qg5 38.hg5=)) 0-1. Pervakov,S (2055) - Savchenko,B (2535), TCh-RUS Premier, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    5.c3 Ba5

    6.Na3 a6 7.Nc4= Bc7 8.d4 (8.e5 Nc6=+) 8...b5=+ 9.Na3 (better 9.Ne3!?=+) 9...Bb7-+ 10.Bd3 (10.Qc2-+) 10...d5 (better 10...f5!? 11.f3 Qh4 12.Kf1 Ne7-+) 11.e5-/+ Nc6 12.Nf3 h6 13.g4 (13.0-0 Nge7=+) 13...Nge7-/+ 14.Nh4? (14.0-0 0-0-/+) 14...g5 (14...b4 15.Nb1-+) 15.Ng2 (15.Nf3 Ng6-/+) 15...Ng6 (15...b4 16.h4 ba3 17.hg5-+) 16.Qc2 (16.0-0!?-/+) 16...Nge5-+ 17.de5 Ne5 18.Be2?? (18.f4 gf4 19.Bf4 Ng4-+) 18...Ng6 (better 18...d4 19.cd4 Bg2-+) 19.0-0 Qd6 20.f4 e5 Black plans d4 (20...Bb6 21.Kh1 d4-/+) 21.Ne3? (21.Nb5 ab5 22.fe5 Ne5 (worse 22...Qe5 23.Ra8 Ba8 24.Bb5 Kf8 25.Rf2-+) 23.Bb5 Ke7-/+) 21...Bb6?? Black intends d4 (better 21...gf4 22.Nf5 Qc5 23.Kh1 0-0-0-+) 22.Kh1?? (22.fe5 Qe5 23.Qd2-/+) 22...d4-+ 23.Bf3 (23.Ng2 Nh4 24.Rg1 Qc6-+) 23...Bf3 (23...de3?! 24.Bb7 Ra7 25.Qe4=+) 24.Rf3 de3 (24...Qc6!? 25.Nb5 Qf3 26.Qg2 Qg2 27.Ng2-+) 25.Be3 Be3 (better 25...Qc6 26.Bb6 Qf3 27.Qg2 Qg2 28.Kg2 Nf4 29.Kf2-+) 26.Re3 (26.Qe4 0-0 27.fe5 Qc7 28.Re3 Rae8-+) 26...gf4 27.Re4 (27.Rd3 Qc5 28.Qe2 0-0-+) 27...0-0 28.Ra2 (28.c4 Rfd8 29.Qe2 b4-+) 28...Rad8 29.Kg2 (29.Qe2 Nh4 30.Ra1 Qc6-+) 29...Qd3 (better 29...Nh4 30.Kf1 Qc6-+) 30.c4 (30.Qd3 Rd3 31.Nb1 Rfd8-+) 30...Qc2 (better 30...Nh4 31.Kg1 Qh3-+) 31.Rc2 b4 32.Nb1 a5 33.c5 b3 (33...f5 34.gf5 Rf5 35.c6 Rg5 36.Kf2-+) 34.Rc3 Rb8 35.c6 Rfc8 36.Ra4 (36.Rc5 Rc7-+) 36...Rb6 37.Ra5 (37.c7 Rb7 38.Rac4 e4-+) 37...Rcc6 38.Rc6 (38.Rac5 Rc5 39.Rc5 b2-+) 38...Rc6 39.Rb5 (39.Kf3 Rc2 40.Ke4 Re2 41.Kf3 Rh2-+) 39...Rc2 40.Kf3 (40.Kh3 b2 41.Na3 Rc3 42.Kg2 e4-+) 40...b2 (40...Nh4 41.Ke4 f3 42.Rb6-+) 41.h3 (41.Ke4 Re2 42.Kf3 Rh2 43.Ke4-+) 41...Nh4 42.Ke4 f6 (better 42...f3 43.Kd3 f2 44.Kc2-+) 43.Kd3 Rh2 44.Nd2 (44.Rb4 Kf7-+) 44...Rh3 45.Kc2 (45.Ke2 Re3 46.Kf2 Rg3 47.Rb2 Rg4 48.Rb8 Kf7-+) 45...Rh2 (better 45...Nf3 46.Rb8 Kf7-+) 46.Rb2 (46.Kd3-+) 46...Nf3 47.Kd1 (47.Rb1 Nd2 48.Rd1 Ne4 49.Kb3-+) 47...Rd2 48.Rd2 Nd2 49.Kd2 e4 0–1. Nunes,Moezio Correia (1820) – Pinheiro,Jose Wellington (1645), 11th Memorial Accioly Borges, 2013. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4)

    6.d4 a6 7.Bd3 Bb6 8.Nf3 d5 9.e5 (9.0-0 Ne7+=) 9...Nc6 10.0-0 Nge7 11.Re1 (11.Ba3 0-0=) 11...Ba7 (11...h6 12.Nbd2=) 12.Ba3 b5 (12...h6 13.Nbd2=) 13.Nbd2+= Na5 (13...0-0 14.Bh7 Kh8 15.Bd3+-) 14.Be7 (14.Ng5 h6 15.Qh5+=) 14...Ke7+= 15.Ng5 (15.Qb1 Nc6+=) 15...h6= 16.Nf7?? (better 16.Nh3=) 16...Kf7-+ 17.Qh5 Ke7 18.Qg6 Rg8 19.f4? (19.Qg4 Kd7 20.Bh7 Re8 21.Qg7 Qe7 22.Qh6 Rh8 23.Ra5 Qh7 24.Qh7 Rh7-+) 19...Nc4 (19...b4!? 20.f5 bc3 21.f6 Kf8 22.Ra4 cd2 23.Rf1 gf6 24.Rf6 Qf6 25.Qf6 Ke8 26.Bg6 Kd7 27.Qf7 Kc6 28.Bc2-+) 20.Nf3? (better 20.Nc4 bc4 21.Bc2-/+) 20...Qe8-+ 21.Qg4 Kd7 22.Nh4 (22.Bc4 dc4 23.Nd2 Kc7-+) 22...g5 23.fg5 Rg5 24.Qf4 Bb6 (24...Qg8 25.Qf6 b4 26.Ng6 Rg6 27.Bg6-+) 25.Nf3 (25.Qf6 Qg8-+) 25...Rg7 26.Qh6 Qg8 27.Ra2 Bb7 28.Qh3 (28.Rf1 Qh8 29.Qc1 Qh5-+) 28...Rf8 29.Nh4 (29.Rf1 Ne3 30.Rfa1 Nf5 31.Bf5 Rf5-+ (31...ef5?! 32.Rf2-+)) 29...Qh8 30.g3 (30.Kh1 Qh6-+) 30...Bd8 31.Kh1 Bh4 (better 31...Rf3! 32.Rd1-+) 32.gh4 Rgf7 (32...Qh6 33.Rg2 Rg2 34.Qg2 Qh4 35.Rg1-+) 33.Be2 (33.Rg2 Qh6 34.h5 Rf3-+) 33...Ne5! 34.Bd1 (34.de5 d4 Double attack (34...d4 Decoy)) 34...Rf3 (better 34...Qh6 35.Rg2 Nf3 36.Bf3 Rf3-+) 35.Bf3-/+ Rf3 (worse 35...Nf3 36.Qe6 Kc7 37.Qe7 Kc8 38.Qc5 Kb8 39.Re7 Qe5 40.de5 Rc8 41.Qb6 Rc7 42.Rc7 Ne5 43.Qb7) 36.Qg2 Qh4 (better 36...Rc3 37.de5 Qh4-/+) 37.Re5 (37.Rae2 Bc8 38.Re5 Rf2 (38...Rc3?? 39.Re6 Kc7 40.Re7 Kb6 41.Qd5+-) 39.Qg7 Kd8 40.Qg5 Qg5 41.Rg5 Rf3+-) 37…Qe1 1–0. Spencer,E (2120) – Walkowiak,Adam (1705), 124th ch–SCO Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Ba5)

    6.d4 Qc7 7.Bb2 Nf6 8.Bd3 Nc6 9.Ne2 d6 10.Nd2 a6 11.f4 b5-/+ 12.Ng3 Bb7 13.f5 e5 14.Nb3 Bb6 15.Qe2 0-0 16.0-0 d5 17.Nh5 Nh5 18.Qh5 f6 19.ed5-/+ Ne7 20.Kh1 Bd5-+ 21.Nd2 Qb7 22.Qg4-/+ h5! 23.Qh3 ed4 24.cd4 Nc6 25.Nf3 Nb4 26.Ba3? Nd3-+ 27.Bf8 Rf8 28.Qh5 a5 29.Rad1 Be4 30.Rd2 Bf3 31.Rf3 Qe4 32.Rd1?! Qe2 33.Rdf1 Bd4 34.Qh4 Bf2! 35.R3f2 Nf2 36.Kg1 Nd3 37.Qd4 Re8 38.Qd5 Kh7 39.h4 0–1. Macicek,Jan2 (2025) – Rychlik,H (1995), 17th Pobeskydi Radegast Cup, 2006.

    6.Qg4 g6 7.d4 d5 8.e5 Nc6 9.Bd3 f5 10.Qf4 Bd7 11.Ne2 Rc8 12.0-0 Bb6 13.Na3 Na5 14.Qg3 Kf7 15.Nb5 Bb5 16.Bb5 a6 17.Bg5 Qc7 18.Bd3 h6 19.Qh4 Rh7 20.Rfb1 Ke8 21.Bc1 Nc6 22.Ba3 Ba7 23.Bd6 Qd8 24.Qg3 Qg5 25.Nf4 Qg3 26.hg3 Nd8 27.Bb5 ab5 28.Ra7 g5 29.Nd3 Ne7 30.Ra3 Rc6 31.Be7 Re7 32.Rb5 Rec7 33.Rbb3 Ke7 34.Kf1 Ra6 35.Ke2 Ra3 36.Ra3 Ke8 37.Kd2 Nc6 38.Ra1 Kf7 39.Rh1 Kg6 40.Rb1 Nd8 41.Nc5 h5 42.Kd3 f4 43.gf4 gf4 44.Ra1 b6 45.Nb3 Nf7 46.Ra6 Rb7 47.Nd2 Ng5 48.f3 Rb8 49.Ra1 h4 50.Rb1 h3 51.gh3 Nh3 52.c4 dc4 53.Nc4 b5 54.Nd6 Ng5 55.Ne4 Nf3 56.Rf1 Nh4 57.Rf4 Nf5 58.Nc5 Rb6 59.Rf2 b4 60.Ke4 Ng7 61.Rb2 Kf7 62.Nd3 Ne8 63.Nb4 Nc7 64.Rc2 Rb4 65.Rc7 Ke8 66.Kf4 Kd8 67.Ra7 Rb1 68.Ke3 Rd1 69.Ke4 Ke8 ½–½. Noire,Eric (2130) – DeGiorgis,Giorgio (1945), IECG, 1999.

    6.d4 d5

    7.ed5 Qd5 8.Qg4 g6=.

    7.e5 Nc6 8.Nf3 Nge7 9.Bd3 Nf5 10.g4? Nfd4-+ 11.Nd4 Nd4 12.Qa4 Nc6 13.Bb5 Bc7 14.f4?! (14.Bc6 bc6 15.Qc6 Bd7 16.Qc5-+) 14...Qh4 15.Kd1 Qg4 16.Be2 Qg2 17.Rf1 Bd7 (17...Qh2 18.Na3-+) 18.Ba3 (18.Qb3 b6-+) 18...Ne5 19.Qb4 Nc6 20.Qb7 Rc8 21.Nd2 (21.Bc5-+) 21...Nd8 (better 21...Qh2 22.Bc5 Bf4 23.Ba7 Qh6-+) 22.Qb4= Nc6 23.Qb7 Na5 (better 23...Qh2!? 24.Bc5-+) 24.Qa7 Bd8 (24...Qh2!? 25.Qd4 Qh6 26.f5-+) 25.Bb4 (25.Bd6 Nc6 26.Qg1 Qg6-+) 25...Nc6 26.Qa3 (26.Qg1 Qg1 27.Rg1 Nb4 28.cb4 Bf6-+) 26...Nb4 27.Qb4 Be7 (27...Qh2 28.Ra7 Qg3 29.Qd6-+) 28.Qb7 Rd8 (28...Qh2?! 29.Ra7 Rd8 30.Bb5-/+) 29.c4 (29.Bb5 Qg4 (29...Qh2?! 30.Bd7 Rd7 31.Qb5=) 30.Nf3 Bd6-+) 29...0-0 30.cd5 Bf6 31.Ra3 Bc8 (31...ed5 32.Qb3-+) 32.Qb3 Rd5 33.Ke1 (33.Qf3 Qg6 (33...Qh2?! 34.Rh1 Qh1 35.Qh1-+) 34.Bd3 Qh6-+) 33...Bh4 (33...Qh2 34.Qe3-+) 34.Kd1 Rfd8 35.Ra2 Ba6! 36.Qf3 (36.Ra6 Rd2 Deflection; 36.Ba6 Rd2 Double attack) 36...Rd2 (better 36...Qg6 37.Ba6 Qb1 38.Ke2 Qa2-+) 37.Rd2-/+ Rd2 (37...Bb7 38.Qg2 Bg2 39.Rd8 Bd8 40.Rg1=+) 38.Kd2= Qe2 39.Qe2 Be2 40.Ke2 Bf6 41.Rf3 g6 42.Rd3 Kg7 43.h3 (43.Ke3 g5=+) 43...h5 44.Kf3 Be7 45.Ke4 Bf6 46.Rf3 (46.Kf3 g5=+) 46...Kf8 47.Rf2 Ke7 48.Rf1 (48.Ra2 Bg7=) 48...Kf8 49.Re1 (49.Rf2 Bg7=) 49...Kg7 (49...g5 50.fg5 Bg5 51.Ra1=+) 50.Rd1 (50.Rc1 g5=+) 50...Kg8 (50...g5 51.Rg1 Kh6 52.fg5 Bg5 53.Ke5=) 51.Rd3 Kg7 52.Rf3 (52.Rd1 g5=+) 52...Kf8 53.Rf2 Ke7 54.Re2 (54.Rf1 g5=+) 54...Kf8 55.Rf2 ½-½. SasaGelman (2415) - Aaron_Whitney (2460), Elite SuperBlitz Arena, lichess.org, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3)

    7.e5 Nc6 8.Qg4 g6 9.Bg5 Qb6 10.Bd3 Qb2 Exerts pressure on the backward pawn 11.Ra3 Qb6 (11...h6 12.Bd2=) 12.Be3 Nge7 13.Ne2 Nf5 14.0-0 h6 15.Nd2 Qb2 16.Rb3?? (16.Nb1 Bd8 17.Bc1 Qb6=) 16...Qa2 (better 16...Ne3 17.Rb2 Ng4 18.Nf3-+) 17.Rfb1?? (better 17.Bf5 ef5 18.Qf3=) 17...Ne3-+ 18.fe3 Qd2 19.Bg6 Qe3 (worse 19...fg6 20.Qg6 Kd7 21.Qf7 Ne7 22.Rb7 Bb7 23.Rb7 Kc6 24.Re7 Qe3 25.Qf2 Qf2 26.Kf2-+) 20.Kh1 Qg5 21.Bf7 (21.Qg5 hg5 22.Bd3-+) 21...Kf7 22.Qf3 Ke7 (22...Qf5 23.Nf4-+) 23.Ng3 (23.Rb7 Kd8 (23...Bb7?! 24.Rb7 Kd8 25.Qf7-+) 24.Rh7 Re8-+ (24...Rh7?! 25.Qf8 Kd7 26.Qd6 Ke8 27.Qc6 Kd8 28.Rf1-+)) 23...Bd7 (better 23...Rf8!? 24.Qd3-+) 24.Rb7 Rhf8 25.Qd3 Rab8 (better 25...Ke8-+) 26.Qh7 Rf7 27.Rd7 Kd7 28.Qf7 Qe7 29.Qe7 (29.Qg6 Bc3 30.Rb8 Nb8-+) 29...Ke7 30.Rf1 (30.Rb8 Nb8 31.Ne2-+) 30...Bc3 31.Ne2 Ba5 (31...Bd4!? 32.Nd4 Nd4 33.Rc1-+) 32.g4 Bb6 33.Rd1 Rg8 34.h3 Rf8 35.Kg2 Na5 (better 35...Ne5!? 36.Rd2 Ng6 37.Ng1-+) 36.Rc1 Nc4 37.Kg3 a5 38.Rb1 (38.Ra1 Nd2 39.Ra3 Rc8-+) 38...a4 39.Rb4 (39.h4 a3-+) 39...a3 40.Ra4 Rc8 (better 40...Rf1 41.h4-+) 41.Kh4 Rc7 42.Kh5 Ra7 43.Ra7 Ba7 44.Nc3 Bd4 45.Na2 Be5 46.Kh6 Bf6 (better 46...d4 47.Nb4-+) 47.g5 Bb2 (better 47...d4 48.gf6 Kf7 49.h4-+) 48.h4 (48.g6 Kf8 49.h4 Bg7 50.Kg5 d4-+) 48...Ne5 (48...d4 49.Nb4 a2 50.Na2-+) 49.h5 (49.g6 Ng6! 50.Nb4 Kf6-+) 49...Ng4 (better 49...d4!? 50.g6 Ng4 51.Kg5-+) 50.Kh7 Kf7 (better 50...d4 51.Nb4-+) 51.g6 (51.Nb4 Nf6! 52.gf6 d4-+) 51...Kf8 52.h6 Nh6! 53.Kh6 (53.Kh6 d4 Passed pawn) 53...d4 54.g7 Kg8 55.Kg6 d3 56.Kg5 d2 57.Kg4 d1Q 58.Kg5 (58.Kf4 Qe2 59.Nc3 Bc3 60.Kg3 Qf1 61.Kg4 Be1 62.Kg5 Qf5 63.Kh6 Bd2) 58...Qb1 (58...Qf3 59.Nb4 Bf6 60.Kh6 Qe3 61.Kg6 Qg5) 59.Kh6 (59.Kf4 Qa2 60.Kf3 Qd5 61.Kf2 a2 62.Kg3 a1Q 63.Kf2 Qd4 64.Kg3 Qag1 65.Kf3 Qgf2) 59...Qa2 (59...Qf5 60.Nc3 Bc1) 60.Kg5 (60.Kh5 Qd5 61.Kg4 Qe4 62.Kg3 Be5 63.Kf2 a2 64.Kf1 a1Q 65.Kf2 Qae1) 60...Bg7 (60...Be5 61.Kh5 Qg2 62.Kh6 Bf4 63.Kh5 Qg5) 61.Kf4 Qb2 (61...Qf2 62.Kg4 a2 63.Kh3 Qf3 64.Kh2 Be5 65.Kg1 a1Q) 62.Ke3 (62.Kf3 a2 63.Ke3 Qg2 64.Kd3 a1Q 65.Kc4 Qc3 66.Kb5 Qgc6) 62...a2 63.Ke4 (63.Kf3 a1Q 64.Kg3 Be5 65.Kf3 Qd1 66.Ke4 Qbd4) 63...a1Q 64.Kf3 Qa4 65.Kg3 (65.Ke3 Qad4 66.Kf3 Qbf2) 65...Qbb3 (65...Be5 66.Kf3 Qf4) 66.Kh2 (66.Kf2 Qaa2 67.Ke1 Qbb1) 66...Qaa2 67.Kg1 Qbb1 (67...Qd1) 0-1. Inventar,Alexandre - Vine,Thibaut (1835), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3)

    7.e5 Bd7 8.Qg4 g6 9.Bd3 Nc6 10.Ne2 Nce7 11.0-0 h6 12.Nf4 Qc7 13.Ng6?? (better is 13.Ba3!?=) 13...h5-/+ (13...fg6?! 14.Bg6 Kd8 15.Bf7=; 13...Ng6?! 14.Bg6 Ne7 15.Bh5=) 14.Qg5 fg6 (14...Ng6 15.Bg6 Bb5 16.Bh5 Bf1 17.Qg7+-) 15.Bg6 Kf8 16.Ba3 Be8 (16...Bc3?? 17.Be7 Ne7 18.Qf6 Kg8 19.Qf7) 17.Bd6 Qb6 18.Be8 Re8 (18...Ke8?? 19.Qg7 Rh6 20.Be7 Ne7 21.Qh6+-) 19.f4 Kf7 20.f5 Bc3 21.Nc3 Qd4 22.Kh1 Qg4 23.fe6 Ke6 24.Be7 Rc8 25.Qd2 Ne7 26.Rf6 (26.Ra7?! Rhf8 27.Rf6 Rf6 28.ef6 Qc4+=) 26...Kd7 27.Nd5 Nd5 (27...Ke8 28.Ne7 Rd8+-) 28.Qd5 (28.Qd5 Ke8 29.Qf7 Kd8 30.Rd6 Qd7 31.Rd7) 1–0. Meijer,Wilmar – Russell,John P, WCCF email, 2000. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4)

    7.e5 Ne7 8.Bd3+=.

    7.e5 f6 8.Nf3 Nc6 9.Bf4 h6 (9...g5 10.Be3 g4 11.Nfd2 fe5 12.de5 Ne5 13.Qa4 Nc6 14.Bb5+=) 10.Qc2 Qe7 (10...f5 11.Bd3=) 11.Bb5= Bc7 12.0-0 (12.Nh4 Qf7 (worse is 12...fe5 13.Ng6 ef4 14.Bc6 bc6 15.Ne7 Ne7 16.c4+/-) 13.Ng6 Rh7=) 12...f5 (12...Qd7 13.Nbd2=) 13.Nbd2 (better is 13.c4!? dc4 14.Rc1+=) 13...g5 14.Bg3 (14.c4!? dc4 15.Nc4 gf4 16.Bc6 bc6 17.Nd6 Kd7 18.d5 Bd6 19.Qc6 Kd8 20.Qa8+-) 14...f4-+ 15.Qg6 (15.c4!? dc4 (15...fg3 16.cd5 ed5 17.Bc6 Kd8 18.Bd5+=) 16.Nc4 fg3 17.Nd6 Kd7 18.Bc6 bc6+=) 15...Qf7 16.Qc2 fg3 17.fg3 Qh7 18.Bd3 Qg7 19.Bg6 ½–½. Ionita,Carmen_Nicola – Kiss,Alexandra_Maria, Calimanesti ROM, Ch U10 (g), 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4)

    5.c3 Be7

    6.Na3 d5 7.e5 Nc6 8.d4 f6 9.Nf3 fe5 10.de5 Qa5 11.Be3 Ne5 12.Nb5 Nf3 13.gf3 Qd8 14.Bf4 Kf7 15.Nc7 Bd7 16.Na8 Qa8 17.Be5 a5 18.Rg1 Nf6 19.Bd3 a4 20.Qc1 Nh5 21.Kf1 a3 22.Qb1 Nf6 23.Bg6 Kf8 24.Bh7 Rh7 25.Bf6= Bf6 26.Qh7 Qa5 27.Qh8 Kf7 28.Qb8 Bc6 29.Kg2 Bc3 30.Qf4= Ke7 31.Qg5 Bf6 32.Qe3 Bb2 33.Rae1 Bd7 ½–½. Kuna,Heiko (2420) – Faber,Hans_Alban (2360), RSS7E adv–98, 2010.

    6.Na3 d5 7.e5 Nh6 8.d4 Nf5 9.Nb5 Nc6 10.Nf3 0-0 11.Bd3 f6 12.ef6 Rf6 13.Qe2 a6 14.g4 Bd7 15.gf5=+ ab5 16.Ra8 Qa8 17.Ne5 Bc8 18.0-0 Ne5 19.de5 Rf7 20.f6 gf6 21.Kh1 f5 22.Bh6 (22.Bh6 Bd7 23.Rg1 Kh8 24.Qf3-/+). Kuna,Heiko (2330) – Blank,Wolfgang (2465), BdF Pyramide, 2008.

    6.Na3 Nf6 7.e5 Nd5 8.Nb5 Nc6 9.c4 Nc7 10.Nd6 Bd6 11.ed6 Na6 12.d4 Nab4 13.Nf3= 0-0 14.Be2 b6 15.0-0 Bb7 16.Bb2 a5 17.Ra3 Na7 18.Qd2 Nc8 19.c5 f6 20.Rfa1 Rb8 21.Nh4 Bd5 22.Rg3 f5 23.Nf3 f4 24.Rg4 Na7 25.Rf4 Rf4 26.Qf4 Bf3 27.Qf3 Nac6 28.Bf1 ½–½. Kuna,Heiko (2420) – Solis,Jose Alberto (2460), CiF, 2010.

    6.Bc4 Qc7 7.Qb3 Nc6-/+ 8.Be2 Nf6 9.d3 0-0 10.f4 Rd8 11.g4 d5 12.g5 Ne8 13.Nf3 de4 14.de4 Bc5 15.Ba3 Ba3 16.Na3 Qf4 17.Qc2 Ne5 18.0-0 Ng4 19.Nc4 b5 20.h3 Qg3 21.Kh1 Qh3 22.Kg1 Qg3 23.Kh1 bc4 24.Bc4 Ne3 (24...Ne3 25.Qe2 Nf1 26.Rf1 Bb7-+) 0–1. Brodie,Hugh – Agnew,Gerald, Montreal m2, 1969.

    6.d4 Nc6 7.Bd3 d6 8.f4 Nf6 9.Nf3 Qc7 10.0-0 b6 11.Qe2 Bb7 12.Ba3 0-0 13.e5 Nd5 14.ed6 Bd6 15.Bh7? (better 15.Ng5 Bf4 16.Qe4=+) 15...Kh7-+ 16.Ng5 Kg8 (better 16...Kh6 17.Qg4 Ba3-+) 17.Qh5? (17.Ne6 fe6 18.Qe6 Qf7 19.Qf7 Rf7 20.Bd6 a5-+) 17...Rfd8 (17...Nf6 18.Qh3 Rfd8 19.Bd6 Rd6 20.Nd2-+) 18.Rf3? (18.Qh7 Kf8-+) 18...Ba3 (18...Nf6 19.Bd6 Rd6 20.Qh4 Nd4 21.Rh3-+) 19.Na3 (19.Qh7 Kf8 20.Na3 Nce7-+) 19...Nf6 (19...Nf4 20.Qh7 Kf8 21.Qh8 Ke7 22.Qg7-/+) 20.Qh4 (20.Qh3 Ne7 21.Rf2 a6-+) 20...Ne7 21.Rh3 (21.Rd3 Ng6 22.Qg3 Nf4-+) 21...Ng6 22.Qe1 (22.Qf2 Nf4 23.Rg3 N6h5-+) 22...Qc6 (better 22...Nf4 23.Rg3 N6h5 24.Rg4 Qc3 25.Qc3 Ne2 26.Kf2 Nc3 27.Nc4-+) 23.Rg3 Nh5 24.Rg4 (24.Rf3 Nhf4 25.Qf1 f6-+) 24...f5 (24...Ngf4 25.Nc2-+) 25.Rg3 (25.Qe6 Qe6 26.Ne6 fg4 27.Nd8 Rd8-+) 25...Ng3 26.Qg3 Nf4 27.Ra2 Ng6 (27...e5!? 28.Rc2-+) 28.Re2 (28.Qh3 e5 29.Qf5 Qf6 30.Qf6 gf6-+) 28...e5! 29.Qh3 (29.de5 Qc5 Double attack) 29...Qf6 (29...f4 30.Qh7 Kf8 31.Nc4-+) 30.Qh7 Kf8 31.Qh5 Qc6 (better 31...Ke7 32.de5 Qc6 33.Nf3 Rd1 34.Kf2-+) 32.Nc4 Rd7 (better 32...Qc4!? 33.Qg6 e4 34.Qf5 Ke7 35.Ne4-+) 33.Ne5 Ne5 34.Qh8 Ke7 35.Qg7 Kd8 36.Qe5 (36.Qh8 Kc7 37.Qe5 Qd6 38.Ne6 Kb8 39.Qf5-+) 36...Qd5 (better 36...Ba6 37.Re3 Qb5-+) 37.Ne6-/+ Kc8?? (better 37...Ke7 38.Nc5 Qe5 39.Re5 Kd6 40.Nd7 Kd7 41.Rf5 Be4-/+) 38.Qh8+- Rd8 39.Nd8 Qd8 40.Re8 Kd7 41.Rd8 Rd8 42.Qh7 Kc8 (42...Kc6 43.Qf5 a5 44.Qf6 Kc7 45.c4+-) 43.Qf5 Kb8 (43...Kc7 44.h4+-) 44.h4 Rc8 45.h5 Rc3 (45...Re8 46.h6+-) 46.h6 (46.h6 a5 47.h7 Rc1 48.Kf2+-) 1–0. Martinez,Jorge Alexander – Villamizar Pereira,AC, TORNEO ABIERTO INTERNACIONAL COPA UDI, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nc6 7.Bd3 Nf6 8.e5 Nd5 9.Qg4 g6 10.h4 h5 11.Qg3 Rg8 12.Ba3 Ba3 13.Ra3 Qc7 14.Ne2 f5 15.Nd2 Na5 16.0-0 b6 17.Ra5 ba5 18.Nc4 Kf8 19.Nd6 Qd8 20.Bc4 Ne7 21.Qg5 Rg7 22.Nf4 Rb8 23.d5 Rb6 24.Qf6 Kg8 25.de6 de6 26.Be6 Kh7 27.Bc8 Rd6 28.ed6 (28.ed6 Nc6 29.Qg7 Kg7 30.Ne6 Kf6 31.Nd8 Nd8 32.Re1+-; 28.Qd6?! Qd6 29.ed6 Nc8+-) 1–0. Herbold,M (2155) – Holzwarth,Patrick (2040), 1st St Leon–Rot Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.d4 Nc6 7.Bd3 Bg5 8.f4 Bh4 9.g3 Be7 10.e5 Rb8 11.Qg4 g6 12.Na3 (12.Qe2 a6=) 12...d5 (12...Qa5!? 13.Bb2 Nd4-+) 13.Ne2 a6 14.0-0 b5 15.Qf3 f5 16.Be3 h5 17.h4 Nh6 0–1. Bainov,Dmitry – Grekhneva,Natalja, Irkutsk RUS, 6th Ermolaev Mem, 2012. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    6.d4 Nc6 7.Nf3 d6 8.Bd3 Nf6 9.Be3 0-0 10.0-0 b6 ½–½. Mihok,Oliver (2160) – Zilahi,Gabor (2100), First Saturday FM–A, 2005. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    6.d4 Qc7 7.Bd2 Nf6 8.Bd3 Nc6 9.e5 Nd5 10.Nf3 f5 11.0-0 0-0 12.Na3 a6 13.Nc2 (13.Be2 b6=) 13...Nb6 (13...b5 14.Bb5 Na5 15.Ba4+=) 14.Qe2 d5 15.Rfc1 Qd8 16.Nce1 g5 17.Kf1 g4 18.Ng1 Bg5 19.g3 (19.Rcb1 Nd7+=) 19...h5 (19...Bd2 20.Qd2 Nc4 21.Qf4-/+) 20.h4 (better is 20.Bg5 Qg5 21.Rcb1=) 20...Bh4?? (better is 20...Bd2 21.Qd2 Kg7+=) 21.gh4+/- Qh4 22.Ng2 Qh1 23.Qe3 Rf7 24.Qg3 Nc4 25.Bc4 dc4 26.Ke2 b5 27.Nf3 Qh3 28.Qh3 gh3 29.Nf4 Rh7 30.Nh3 1–0. Carrasco Fernandez,Manuel (2040) – Sala Espi,Antonio, Valencia ONCE op 9th, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.d4 Qc7 7.Nf3 d6 8.Bd3 e5 9.0-0 Bg4 10.h3 Bh5 11.g4 Bg6 12.Qe2 Nf6 13.Bd2 0-0 14.Na3 (14.Nh4 Nc6 15.Ng6 fg6+=) 14...a6 (14...d5 15.Nb5 Qb6 16.Ne5 Be4 17.Rfb1+=) 15.g5 Nh5 16.Nh4 Nd7 17.Nf5 Rfe8 18.h4 (18.Qf3 Nf8 19.Bc4 Ne6 20.Ne7 Re7 21.Be6 fe6 22.de5 de5-+) 18...Bf8 19.Ng3? (19.Qf3 b5-/+) 19...Nf4 (19...Ng3 20.fg3 d5 21.h5 Be4 22.Be4 de4 23.Qf2-+) 20.Qf3 (better is 20.Bf4!? ef4 21.h5 fg3 22.hg6 hg6 23.Nb1-/+) 20...Nd3-+ 21.Qd3 f6 (better is 21...ed4!? 22.cd4 d5 23.Rfc1-+) 22.h5 Bf7 23.Qf3 Rac8 24.Nf5 fg5 25.Bg5 Qc3 26.Qg4 Kh8 (26...g6 27.hg6 hg6 28.Qg2 ed4 29.Bh6 Bh6 30.Nh6 Kf8 31.Nf7 Kf7 32.Rfb1-+) 27.h6 g6?? (better is 27...gh6 28.Rfc1 Qb3 29.Rc8 Rc8-+ (29...hg5?! 30.Re8 Be8 31.Qg5-/+)) 28.Ng7= (28.Ng7 Bg7 29.Qd7+=) 1–0. Kichigin,Viktor (1970) – Chechurin,Yury (1910), Perm op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.e5 d6 7.f4 b6 8.Qf3 d5 9.Qg3?? (better is 9.Ba3+=) 9…Bh4-+ 0–1. Mablouke,Ulrich (1670) – Blard,Laurent (1865), Reunion–ch, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.Nf3 d5 7.e5 Nh6 8.d4 Nf5 9.Na3 0-0 10.Bd3 Nc6 11.0-0 f6 12.ef6 Bf6 13.Re1 Bd7 14.Nc2 a5 15.Ba3 Be7 16.Ne3 Ba3 17.Ra3 Nd6 18.Ng4 Qe7 19.Ra2 a4 20.Qb1 g6 21.h3 b5 22.Qb2 Rab8 23.Qc2 Rbc8 24.Qd2 Na5 25.Rc2 Ndc4-/+ 26.Qh6 Qg7 27.Qh4 a3 28.Ra2 Rc7 29.Ng5 Rc6 30.Rae2 h5 31.Re6? Be6 32.Ne6 Re6 33.Re6 a2 34.Rg6 a1Q 35.Kh2 Qg6 36.Bg6 Qa3 37.g3 Qb2 38.Nf6 Rf6 39.Qf6 Nd6 40.Bh5 Ne4 41.Qe6 Kg7 42.Qf7 ½–½. Ruhmke,Stephan (2235) – Rattay,Walter (1970), RSS7E adv–71, 2008.

    6.Nf3 d6 7.d4 Nf6 8.Qa4 Bd7 9.Qb3 0-0 10.e5 de5 11.Ne5 Bc8 12.Bc4 Nbd7 13.Be6?? (better is 13.0-0-/+) 13...Ne5-+ (13...fe6?! 14.Qe6 Kh8 15.Nf7 Rf7 16.Qf7-/+) 14.Bc8 Nd3 (14...Rc8?! 15.de5 Ng4 16.Ra7+=) 15.Kd2 Nc1 (15...Rc8?! 16.Kd3 Ng4 17.Ke2+=; 15...Qc8?! 16.Kd3 Re8 17.Be3-/+) 16.Qb7 Qc8 (worse is 16...Rc8 17.Rc1 Ng4 18.Rc2-+) 17.Qc8 Nb3 (17...Rac8?! 18.Rc1 Rc7 19.Kd3-+) 18.Kd3 Rfc8 (18...Na1 19.Qb7 Rfe8 20.Qb2+/-) 19.Ra3 0–1. Popp,Tony (1775) – D'Agosta,Roberto, SEMI B044 email, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7)

    6.Nf3 Nf6 7.Bd3 d5 8.e5 Nfd7 9.Qc2 Nc6 10.Bh7 Nce5 11.Ne5 Ne5 12.d4 Nc4 13.Bd3 Qc7 14.f4 Bh4 15.g3? (better is 15.Kd1-+) 15...Bg3! 16.Ke2 (16.hg3 Rh1) 16...Bf4 (16...Bh2 17.Kd1 e5 18.Rh2 Rh2 19.Qh2+=; 16...Rh2?! 17.Rh2 Bh2 18.Kf3-/+) 17.Nd2 (17.h4 Bg3-+) 17...Nd2 (better is 17...Bd2!? 18.Bc4 Bc3 19.Qc3 Qc4 20.Kd2-+) 18.Bd2 Bd2 19.Kd2 Rh2 20.Be2 (20.Rh2 Qh2 21.Be2 Qh6 22.Ke1 Qh1 23.Bf1 Qe4 24.Qe4 de4 25.Bb5 Ke7 26.Ra2-+) 20...Qf4 21.Kd3 (21.Ke1 Rh1 22.Bf1 Qf1 23.Kd2 Qf2 24.Kd3 Rh3) 21...Qe4 22.Kd2 Qe2 23.Kc1 Qc2 0–1. Rehfeldt,Daniel – Toman,Stefan, Berlin–ch U16, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.Nf3 Nf6 7.e5 Nd5 8.c4 Nf4 9.d4= Bb4 10.Bd2 Qe7 11.Bb4 Qb4 12.Nbd2 Qc3 13.Rb1 Nd3 14.Bd3 Qd3 15.Rb3 Qg6 16.0-0 f5 17.ef6 gf6= 18.Nh4 Qh6 19.Rh3 Rg8 20.Ne4 d5 21.cd5+/- ed5 22.Nd6 Kd7 23.Ndf5 Qf8 24.Qf3 Nc6 25.Ng6 Qf7 26.Rh7!! Qh7 27.Qd5 Kc7 28.Qd6 Kb6 29.Rb1 Ka6 30.Qa3 Na5 31.Qd3 (31.Qd3 Nc4 32.Qc4 Ka5 33.Qb5) 1–0. Capablanca,Jose – Michelsen,Einar, New York casual, 1910.

    6.f4 b6 7.Qc2 -/+.

    6.f4 d5 7.ed5 (7.e5 a5-/+) 7...Qd5 (better is 7...ed5 8.Qa4 Nd7-/+) 8.d4? (better is 8.Qf3!?-/+) 8...Bh4-+ 9.Kd2 (9.Ke2 Qe4 10.Kd2 Bd7-+) 9...Be7 (9...Nf6 10.Kc2 Bd7 11.c4 Qe4 12.Kb2-+) 10.Na3 (10.Qf3 Qd7-+) 10...Bd7 11.Nf3 Nf6 12.Bd3 0-0 13.Qe2 a6 14.Nc4 Qc6 15.h4? Rc8 16.Nfe5? Qc7-+ 17.Bb2 b5 18.Ne3 Nc6 19.g4 Ne5 20.fe5-/+ Nd5 21.Nd5 ed5 22.Bf5? b4 23.Qd3 g6 24.Bd7 Qd7 25.g5 Rc6 26.cb4? Bb4 27.Ke3 a5 28.Rac1 Rac8 29.Rc6 Rc6 30.Kf4 Qc8 31.h5?? Rc2 32.hg6 fg6 33.Ba3 Rc3 34.Qb5 Qf5 0–1. Aufmwasser,Guenter – Zohr,Adelbert (1760), Bad Woerishofen Seniors op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.Qg4 Bf6 7.d4+= d6 8.f4? (8.Nd2 h5 9.Qf3 Be7=) 8...e5 9.Bb5 Nc6 10.Qd1 ed4 11.cd4 Qb6 12.Bc6 (12.Nc3!? Qd4 13.Qd4 Bd4 14.Nge2-/+) 12...Qc6-+ (12...bc6?! 13.Nf3+=) 13.d5 Qb6 14.e5 de5 15.Qa4 Bd7 16.Qe4 0-0-0 (better is 16...Qd4 17.Qd4 ed4-+) 17.Be3-/+ Qb3 (17...Qb2 18.Ra7 Bb5-+) 18.Ra3= Qb2? (better is 18...Bh4 19.g3 Nf6 20.Rb3 Ne4 21.gh4 ef4 22.Bf4 Bf5=) 19.Qc4+- Bc6 20.Ra7?? (20.dc6 Qb1 21.Kf2 Qb2 22.Ne2 Qa3 23.cb7 Kb8 24.Rc1 Qc1 A) 25.Bc1?! A1) 25...Kb7 26.fe5 (26.Qf7?! Ne7+/-) 26...Be5 27.Qe4 Ka6 28.Qe5+-; A2) 25...Nh6=; B) 25.Nc1+-) 20...Qb1 21.Kf2 Rd5 22.Ra8 Kd7 23.fe5 Be5 24.Nf3 (24.Qc1 Qc1 25.Bc1 Rd1-+) 24...Qb2 (better is 24...Qh1 25.Bc5 h5-+) 25.Kf1 Bb5 (25...Bb5 26.Rc8 Rd1 27.Ne1 Bc4 28.Rc4 Qb5-+; 25...Rd1 26.Ne1 Qg2) 0–1. Usov,Alexander – Sergeev,Andrey, Irkutsk RUS, City Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    6.Qg4 Nf6!? 7.Qg7 Rg8 -/+.

    6.d4 a6

    7.Na3 b5!?+= A) 8.e5 Bb7 9.Bf4 (9.c4 Nc6 10.Qg4 Qa5 11.Bd2 Bb4 12.Bb4 Qb4 13.Kd1 Qb2 14.Rc1-+; 9.Qg4 Bf8 10.Be2 d6 11.Nf3 de5 12.de5 Nd7 13.0-0 Qc7 14.Bf4-/+) 9...Qc7 10.c4 Bb4 11.Bd2 Qa5 12.cb5 ab5 13.Nc2 Bd2 14.Qd2-/+; B) 8.Nb5 Bb7 9.Na3 Be4 10.f3 Bf5 11.Ne2 Nf6 12.Nc4 Qc7 13.Ng3 Bg6 14.Ba3-/+; C) 8.f3 C1) 8...b4 9.Nc2 (9.cb4 Bb4 10.Kf2 Nf6 11.Nc2 Be7 12.Bf4 d6 13.Bd3 0-0 14.Ne2+=; 9.Nb1 d5 10.Bd3 Bb7 11.ed5 Bd5 12.Ne2 Nf6 13.c4 Bc6 14.0-0-/+) 9...bc3 10.Ne2 Nf6 11.Nc3 0-0 12.e5 Nd5 13.Nd5 ed5 14.Ne3+=; C2) 8...d5 9.Nb5 Bb7 10.ed5 ab5 11.Ra8 Ba8 12.Bb5 Nd7 13.de6 fe6 14.Qe2+=; C3) 8...Qa5 9.Bd2 Ba3 10.Qb3 Nc6 11.Ra3 Qc7 12.Bd3 Na5 13.Qb4 Nc4 14.Bc4+=; C4) 8...Bb7 9.Bd3 (9.c4 Nc6 10.Nc2 bc4 11.Bc4 d5 12.Rb1 dc4 13.Rb7 Na5 14.Rb1-/+; 9.Qc2 d5 10.e5 Nc6 11.Bd3 b4 12.Qb2 a5 13.Nc2 Ba6 14.Be2-/+; 9.Nh3 d5 10.ed5 Bd5 11.Nf4 Bc6 12.Nh5 g6 13.Ng3 Bd6 14.Qe2-/+) 9...Nf6 10.Ne2 d5 11.e5 Nfd7 12.0-0 0-0 13.Bc2 f5 14.ef6-/+; D) 8.Qg4 D1) 8...g6 9.Qf4 (9.Nf3 Bb7 10.Qf4 Nf6 11.Bd3 Qc8 12.Bd2 h6 13.0-0 d5 14.e5+=; 9.e5 Bb7 10.Nf3 d6 11.Be2 de5 12.de5 Nd7 13.Nb1 h5 14.Qd4-/+; 9.Bd3 Bb7 10.Qf4 f5 11.Nf3 Qc8 12.Nb1 fe4 13.Be4 Nf6 14.Bb7-/+) 9...Bb7 10.Nf3 Nf6 11.Bd3 Qc8 12.Bd2 h6 13.0-0 d5 14.e5+=; D2) 8...g5 9.Nb5 Bb7 10.Na3 Nf6 11.Qg5 Be4 12.f3 Bg6 13.Qf4 d5 14.g4+=; D3) 8...Kf8 9.Qf4 (9.Bd3 Bb7 10.Ne2 Nf6 11.Qf3 d5 12.e5 Ne4 13.0-0 Nd7 14.Nb1+=; 9.Qf3 Bb7 10.Bd3 Ke8 11.Qg3 g6 12.Ne2 Nf6 13.Qf3 d5 14.e5+=; 9.e5 Bb7 10.Nf3 d6 11.Bd3 de5 12.Ne5 Nd7 13.Qg3 Ne5 14.de5-/+) 9...Bb7 10.Bd3 d5 11.e5 Nc6 12.Nf3 Qc7 13.Bd2 Na5 14.Ng5+=; D4) 8...Bf8 9.Qf4 (9.Bd3 Bb7 10.Ne2 Nf6 11.Qf3 d5 12.e5 Ne4 13.Nb1 Nc6 14.Nd2+=; 9.Nf3 Bb7 10.Bd3 Qc7 11.Nb1 Nf6 12.Qh4 d5 13.Bf4 Qc8 14.e5-/+; 9.Qg5 Qg5 10.Bg5 Bb7 11.f3 d5 12.Bd3 h6 13.Bf4 de4 14.Be4-/+) 9...Bb7 10.Bd3 d5 11.e5 Ne7 12.Ne2 Nbc6 13.0-0 Ng6 14.Qg3+=.

    7.Na3 b6 A) 8.e5 A1) 8...Bb7 9.Qg4 (9.Nc4 Qc7 10.Qg4 Bf8 11.Qg3 b5 12.Nd6 Bd6 13.ed6 Qc8 14.Bb5=; 9.Nf3 Qc7 10.Qd3 Nc6 11.Be2 b5 12.0-0 d6 13.Bf4 Rd8 14.Rfe1+=) 9...Qc7 10.Nb5 ab5 11.Ra8 Ba8 12.Qg7 Qc3 13.Bd2 Qa1 14.Ke2+/-; A2) 8...d5 9.ed6 (9.Bd3 Qc7 10.Ne2 Bb7 11.0-0 Nc6 12.Nf4 b5 13.Qg4 g6 14.Nb1+=; 9.Qg4 g6 10.Bd3 f5 11.Qg3 Bb7 12.Ne2 Nc6 13.0-0 g5 14.Nc2+=; 9.Nf3 Qc7 10.Qb3 Bb7 11.Bd3 Nd7 12.0-0 Rc8 13.Bd2 b5 14.Nc2+=) 9...Qd6 10.Qf3 Qd5 11.Nb5 Kd8 12.Bf4 Qb7 13.Bc7 Ke8 14.Be5+=; A3) 8...d6 9.Qf3 (9.Nb5 d5 10.Qg4 g6 11.Qg3 Bb7 12.Nd6 Bd6 13.ed6 Nf6 14.Bg5+=; 9.ed6 Qd6 10.Nc4 Qc6 11.Qf3 Qf3 12.Nf3 Nd7 13.Nfe5 Ngf6 14.Ba3-/+; 9.Nc4 d5 10.Qg4 g6 11.Qf3 Ra7 12.Nd6 Bd6 13.ed6 h6 14.Bf4+=) 9...d5 10.Qg3 g6 11.Bd3 h5 12.Ne2 h4 13.Qh3 Nc6 14.0-0+=; A4) 8...Nc6 9.Qg4 (9.Nc4 b5 10.Qg4 g6 11.Nd6 Bd6 12.ed6 Bb7 13.Bg5 f6 14.Be3+=; 9.Bd3 d6 10.ed6 Qd6 11.Nc4 Qd8 12.Nf3 Nf6 13.Nce5 Ne5 14.de5-/+; 9.Nf3 d6 10.Nb5 de5 11.de5 Bb7 12.Nd6 Bd6 13.Qd6 Qd6 14.ed6-/+) 9...g6 10.Nf3 Bb7 11.Bd3 b5 12.0-0 d6 13.Rd1 de5 14.de5+=; B) 8.Bd3 B1) 8...d5 9.Bf4 (9.Ne2 Nf6 10.e5 Nfd7 11.Qc2 h6 12.Nf4 0-0 13.0-0 Nc6 14.Qe2+=; 9.ed5 Qd5 10.Nf3 Nf6 11.c4 Qd8 12.0-0 0-0 13.Qe2 Nc6 14.Nc2-/+; 9.e5 Qc7 10.Ne2 Bb7 11.0-0 b5 12.Nc2 Nc6 13.Be3 Na5 14.Na3+=) 9...Bb7 10.e5 Qc7 11.Ne2 Nc6 12.0-0 Rc8 13.Nc2 b5 14.Ne3+=; B2) 8...d6 9.Qf3 (9.Nf3 Nf6 10.0-0 0-0 11.Qc2 h6 12.Bf4 Nc6 13.Rfb1 d5 14.e5+=; 9.c4 Nf6 10.Nf3 Bb7 11.Qe2 0-0 12.0-0 Nc6 13.Nc2 Qc7 14.Bg5+=; 9.Nc4 Nf6 10.Qf3 Bb7 11.Ne2 d5 12.e5 Ne4 13.Be4 de4 14.Qg3+=) 9...Bb7 10.Ne2 f5 11.Qg3 g6 12.ef5 ef5 13.0-0 Nf6 14.f3=; B3) 8...Bb7 9.Ne2 (9.Nf3 Nf6 10.e5 Ne4 11.Qc2 f5 12.0-0 0-0 13.Nc4 b5 14.Ne3-/+; 9.Qc2 Nf6 10.Nf3 Qc7 11.e5 Bf3 12.gf3 Nd5 13.Rg1 g6 14.Be4-/+; 9.Nc2 Nf6 10.f3 0-0 11.Ne2 b5 12.0-0 d5 13.e5 Nfd7 14.f4-/+) 9...d5 10.e5 Qc7 11.0-0 b5 12.Nc2 Nc6 13.Ba3 Ba3 14.Ra3+=; C) 8.Nf3 C1) 8...Bb7 9.e5 (9.Qc2 Nf6 10.e5 Ne4 11.Bd3 f5 12.0-0 0-0 13.Bf4 Qc7 14.c4-/+; 9.Bd3 Nf6 10.e5 Ne4 11.Qc2 f5 12.0-0 0-0 13.Bf4 Qc7 14.c4-/+; 9.d5 ed5 10.ed5 Bf6 11.Qd3 Ne7 12.d6 Nd5 13.Qe4 Kf8 14.Ne5-/+) 9...Qc7 10.Qd3 Nc6 11.Be2 b5 12.0-0 d6 13.Bf4 Rd8 14.Rfe1+=; C2) 8...d5 9.e5 (9.ed5 ed5 10.Bf4 Nf6 11.Nb5 0-0 12.Bd3 Nc6 13.Nc7 Ra7 14.Na6+=; 9.Bd3 Nf6 10.e5 Ne4 11.Qc2 Qc7 12.0-0 Bb7 13.c4 0-0 14.Bf4+=; 9.Ne5 Nd7 10.Nd7 Qd7 11.e5 Bb7 12.Bd3 Qc7 13.Nb1 a5 14.Qg4+=) 9...Qc7 10.Qb3 Bb7 11.Bd3 Nd7 12.0-0 Rc8 13.Bd2 b5 14.Nc2+=; C3) 8...Qc7 9.c4 (9.Bd2 Bb7 10.Bd3 Nf6 11.Qc2 d5 12.e5 Ne4 13.0-0 b5 14.Be4-/+; 9.Qc2 Bb7 10.Bd3 Nf6 11.e5 Bf3 12.gf3 Nd5 13.Rg1 g6 14.Be4-/+; 9.Qb3 Bb7 10.Bd3 Nf6 11.e5 Ne4 12.c4 d5 13.0-0 dc4 14.Nc4-/+) 9...Bb7 10.Bd3 b5 11.Qb3 f5 12.ef5 Bf3 13.gf3 Ba3 14.Ba3+=; C4) 8...Nf6 9.e5 (9.Bd3 Bb7 10.e5 Ne4 11.Qc2 f5 12.Nc4 0-0 13.0-0 b5 14.Ne3-/+; 9.Qc2 d5 10.e5 Ne4 11.Bd3 Qc7 12.0-0 Bb7 13.c4 0-0 14.Bf4+=; 9.Nd2 Bb7 10.e5 Nd5 11.c4 Nb4 12.Qg4 0-0 13.Nf3 f6 14.Bh6-/+) 9...Ne4 10.Qc2 d5 11.Bd3 Qc7 12.0-0 Bb7 13.c4 0-0 14.Bf4+=; D) 8.Qg4 D1) 8...g6 9.e5 (9.Bd3 Nf6 10.Qf3 Bb7 11.Ne2 d5 12.e5 Ne4 13.0-0 b5 14.Nb1+=; 9.Nf3 Nf6 10.Qf4 Bb7 11.Bd3 d5 12.e5 Ne4 13.Be4 de4 14.Ng5+=; 9.Qf4 Bb7 10.Bd3 d5 11.e5 Nc6 12.Nf3 Qc7 13.Nb1 Na5 14.Ba3+=) 9...d5 10.Bd3 f5 11.Qg3 Bb7 12.Ne2 b5 13.0-0 Nc6 14.Nc2=; D2) 8...Bf8 9.e5 (9.Bg5 Qc7 10.Qg3 Qc6 11.Qe3 h6 12.Bh4 Bb7 13.f3 b5 14.Bg3+=; 9.Bd3 Nf6 10.Qf3 Bb7 11.Ne2 d5 12.e5 Ne4 13.Nb1 Nc6 14.Nd2+=; 9.Qg5 Qg5 10.Bg5 Bb7 11.Nc4 Be4 12.Bf4 g5 13.Bg3 d6 14.Nb6=) 9...Bb7 10.Nc4 Qc7 11.Qg3 b5 12.Nd6 Bd6 13.ed6 Qc8 14.Bb5=; D3) 8...g5 9.Bd3 (9.e5 Bb7 10.Qh5 Qc7 11.Bd2 h6 12.Nf3 Be4 13.Be2 Bg6 14.Qh3+=; 9.Nh3 Nf6 10.Qg5 Ne4 11.Qe5 Nf6 12.Bd3 Rg8 13.0-0 Bb7 14.f3-/+; 9.Qg3 Nf6 10.Bd3 d5 11.Nb5 Nh5 12.Qc7 0-0 13.Qd8 Rd8 14.ed5+=) 9...Bb7 10.Qg3 h6 11.Ne2 b5 12.0-0 d6 13.c4 Nf6 14.f3=; D4) 8...Kf8 9.Bd3 (9.e5 Qc7 10.Bd2 Bb7 11.Nf3 d6 12.Qg3 Be4 13.Be2 b5 14.c4+=; 9.Qf3 d5 10.Bd3 Bb7 11.e5 Qc7 12.Ne2 Nc6 13.0-0 Ke8 14.Nc2=; 9.Nf3 Nf6 10.Qf4 d5 11.e5 Ne4 12.Nb1 Qc7 13.Ba3 Bb7 14.Bd3=) 9...Nf6 10.Qf3 Bb7 11.Ne2 Kg8 12.0-0 b5 13.Bg5 Nc6 14.Rfd1=.

    7.Na3 Qc7 8.Nb5 ab5? 9.Ra8+- Na6 (9...b4 10.Qg4 Nf6 11.Qg7+-) 10.Bb5 Nf6 11.Ne2 Ne4 12.Bf4 Bd6 13.Qd3 Bf4 14.Qe4 Bd6 15.h4 0-0 16.h5 h6 17.Qd3 Qd8 18.f4 f5 19.g3 Qf6 20.Qc4 Nc7 21.Ra2 Nd5 22.Qd3 Bc7 23.Bc4 Nb6 24.Bb3 Kh8 25.Ng1 d6 26.Nf3 Bd7 27.Re2 Re8 28.g4 fg4 29.Bc2 Kg8 30.Qh7 Kf8 31.Nh4 Ke7 32.Nf5 Kd8 33.Ng7 (worse is 33.Qg7 Qg7 34.Ng7 Re7 35.Ne6 Re6 36.Re6 Be6-+) 33...Rf8 34.f5 ef5 35.0-0 f4 36.Rfe1 Qh4?? 37.Re8!! Re8 38.Re8 Be8 39.Ne6 Kc8 40.Qc7 1–0. Wilken,J (1985) – Jurrius,Kevin, ch–Commonwealth RSA–Open, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7)

    7.Na3 d6 A) 8.Bd3 A1) 8...Nc6 9.Qg4 (9.Nf3 Nf6 10.0-0 0-0 11.Qc2 e5 12.d5 Na5 13.c4 Bg4 14.Qd1+=; 9.Qf3 Nf6 10.Ne2 e5 11.d5 Na5 12.Rb1 0-0 13.h3 Qc7 14.Be3+=; 9.Qc2 Nf6 10.Nf3 b6 11.0-0 Bb7 12.Be3 Qc7 13.Rfb1 d5 14.e5+=) 9...Nf6 10.Qg3 Rg8 11.Ne2 b6 12.0-0 Bb7 13.Nc4 b5 14.Nd2+=; A2) 8...b6 9.c4 (9.Nf3 Nf6 10.0-0 0-0 11.c4 Bb7 12.Re1 d5 13.ed5 ed5 14.Bg5-/+; 9.Qf3 Bb7 10.Ne2 f5 11.Qg3 g6 12.ef5 ef5 13.0-0 Nf6 14.f3=; 9.Ne2 Nf6 10.0-0 Bb7 11.Ng3 0-0 12.c4 Nbd7 13.Qf3 e5 14.Be3+=) 9...Nf6 10.Nf3 Bb7 11.Qc2 0-0 12.e5 de5 13.de5 Ng4 14.Bh7=; A3) 8...d5 9.Bf4 (9.e5 Nc6 10.Nf3 Ra7 11.0-0 b5 12.Nc2 Qc7 13.Ba3 f6 14.Re1+=; 9.Qf3 Nc6 10.Ne2 Na5 11.0-0 Nb3 12.Ra2 de4 13.Be4 Nf6 14.Bb7+=; 9.Nb5 Bd7 10.ed5 ed5 11.Qe2 Bb5 12.Bb5 Nd7 13.Bd3 Rc8 14.Bd2+=) 9...Bd7 10.ed5 ed5 11.Qb3 Qc8 12.Ne2 Nf6 13.0-0 Nc6 14.Be5+=; A4) 8...Nf6 9.c4 (9.Ne2 0-0 10.0-0 Nc6 11.Ng3 Bd7 12.Be3 b5 13.Nh5 Qc7 14.Nf6-/+; 9.Bg5 e5 10.Qa4 Bd7 11.Qc2 ed4 12.Nb5 dc3 13.Bf6 gf6 14.Nc3-/+; 9.Nf3 0-0 10.0-0 Nc6 11.Qc2 e5 12.d5 Na5 13.Rb1 Bg4 14.Nd2+=) 9...0-0 10.Nc2 Nbd7 11.Nf3 d5 12.e5 Ne4 13.Ba3 Nc3 14.Be7+=; B) 8.Nf3 B1) 8...Nf6 9.Qc2 (9.Bd3 0-0 10.0-0 Nc6 11.Qc2 e5 12.Rb1 Bg4 13.Rb7 Bf3 14.gf3-/+; 9.e5 de5 10.Ne5 Nbd7 11.Nac4 0-0 12.Qf3 Nd5 13.Qg3 Ne5 14.Ne5-/+; 9.Nd2 Nc6 10.Bd3 0-0 11.0-0 Bd7 12.Nc2 b5 13.Re1 e5 14.d5-/+) 9...Nbd7 10.Bd3 0-0 11.0-0 e5 12.c4 ed4 13.Nd4 Nc5 14.Rd1+=; B2) 8...Nc6 9.Be3 (9.Qc2 Nf6 10.Bd3 e5 11.d5 Na5 12.Be3 0-0 13.Rb1 b5 14.c4+=; 9.Bd3 Nf6 10.0-0 0-0 11.Qc2 e5 12.Qb1 Qc7 13.h3 Bd7 14.d5+=; 9.d5 Ne5 10.Bf4 Nf3 11.Qf3 Nf6 12.Bd3 ed5 13.ed5 Qa5 14.Bc4-/+) 9...Nf6 10.Bd3 d5 11.e5 Ne4 12.Be4 de4 13.Nd2 Qa5 14.Qc1=; B3) 8...Bd7 9.e5 (9.Qb3 b5 10.Bd3 Nf6 11.d5 ed5 12.ed5 Bg4 13.Nb5 Bf3 14.gf3+=; 9.c4 Nc6 10.Qb3 Nf6 11.Bd3 b5 12.cb5 ab5 13.0-0 b4 14.Nc2+=; 9.Bd3 Nf6 10.0-0 Bc6 11.Re1 b5 12.Bg5 0-0 13.Qb1 h6 14.Bh4+=) 9...de5 10.de5 Qa5 11.Bd2 Ba4 12.Qb1 Bc6 13.Nb5 Qd8 14.Nbd4+=; B4) 8...b5 9.c4 (9.Qc2 Bb7 10.Bd3 Nf6 11.0-0 Qc7 12.Bg5 Nbd7 13.Rfb1 Rc8 14.Rc1-/+; 9.Bd3 Bb7 10.0-0 Nf6 11.Qc2 Qc7 12.Bg5 Nbd7 13.Rfe1 Rc8 14.Rec1-/+; 9.d5 Bb7 10.c4 Nf6 11.cb5 Ne4 12.ba6 Bd5 13.Nc2 Bf6 14.Ra3-+) 9...Nf6 10.e5 de5 11.de5 Qd1 12.Kd1 Ne4 13.Nb5 Nf2 14.Ke2+=; C) 8.Qf3 C1) 8...Nf6 9.Bd3 (9.Nc2 Qc7 10.Bg5 0-0 11.Bb5 Bd7 12.Bf6 Bf6 13.Bd7 Nd7 14.Ne2-/+; 9.e5 de5 10.de5 Nfd7 11.Nc4 0-0 12.Qg3 Bh4 13.Qg4 b5 14.Qe4+=; 9.Nc4 d5 10.Nd2 de4 11.Ne4 Ne4 12.Qe4 Nd7 13.Bf4 Nf6 14.Qf3-/+) 9...e5 10.Ne2 0-0 11.0-0 Re8 12.d5 Bg4 13.Qe3 b6 14.Nc4+=; C2) 8...b6 9.e5 (9.Qg3 g6 10.e5 Bb7 11.Nc4 de5 12.de5 b5 13.Nd6 Bd6 14.ed6+=; 9.Bd3 Bb7 10.Ne2 f5 11.Qg3 g6 12.ef5 ef5 13.0-0 Nf6 14.f3=; 9.Nh3 Bb7 10.Bd3 Nf6 11.0-0 b5 12.c4 bc4 13.Nc4 Nc6 14.Qd1-/+) 9...d5 10.Qg3 Bf8 11.Nf3 Ne7 12.Bd3 Nf5 13.Bf5 ef5 14.Nb5=; C3) 8...Nc6 9.Qg4 (9.Bd3 Nf6 10.Qg3 0-0 11.Bh6 Nh5 12.Qf3 Qa5 13.Bd2 Nf6 14.Nc2+=; 9.Nc2 Nf6 10.Bd3 Na5 11.Bg5 b5 12.Ne2 Bb7 13.0-0 0-0 14.Qh3+=; 9.Qg3 Nf6 10.Qg7 Rg8 11.Qh6 Ne4 12.Qh7 Nf6 13.Qd3 d5 14.Bf4+=) 9...e5 10.Qg7 Bf6 11.Qg3 ed4 12.Nc4 Ne5 13.cd4 Nc4 14.Bc4=; C4) 8...e5 9.Nc2 (9.Qg3 Nf6 10.Qg7 Rg8 11.Qh6 ed4 12.cd4 Rg6 13.Qe3 Ne4 14.Nc2-/+; 9.Bc4 Nf6 10.Nc2 Nc6 11.h3 Na5 12.Ba2 b5 13.Ne2 Bb7 14.d5-/+; 9.Nc4 ed4 10.cd4 Nf6 11.d5 0-0 12.Bb2 Nbd7 13.Be2 Nc5 14.Nd2-/+) 9...Nf6 10.Bb5 Bd7 11.Bd7 Nbd7 12.Ne2 b5 13.0-0 0-0 14.Rd1+=; D) 8.Qg4 D1) 8...Bf8 9.Qg3 (9.Bd3 Nf6 10.Qf3 e5 11.Ne2 Bg4 12.Qe3 Nc6 13.f3 Bd7 14.0-0+=; 9.Bg5 Nf6 10.Qf3 Be7 11.Bd3 e5 12.Nc2 Nc6 13.h3 ed4 14.cd4+=; 9.Qf4 Nf6 10.Nf3 Nc6 11.Bd3 Be7 12.0-0 0-0 13.Rd1 Bd7 14.Qg3+=) 9...b5 10.Bg5 Nf6 11.e5 Ne4 12.Bd8 Ng3 13.hg3 Kd8 14.Nb5=; D2) 8...Bf6 9.Qg3 (9.Nb5 Nc6 10.Qg3 e5 11.d5 Nce7 12.Bd3 b6 13.Ne2 Bb7 14.Na3=; 9.Be3 e5 10.Qg3 Nd7 11.Nf3 Qa5 12.Bd2 Qc7 13.Bd3 h5 14.h3=; 9.Nf3 e5 10.Qg3 Nc6 11.d5 Na5 12.Rb1 h5 13.Nd2 h4 14.Qd3+=) 9...e5 10.Nb5 b6 11.de5 Be5 12.Bf4 Ke7 13.Be5 de5 14.Qe5+/-; D3) 8...g5 9.Qg3 (9.Bd3 Nc6 10.Qe2 Bd7 11.Nf3 g4 12.Nd2 Nf6 13.Nc2 h5 14.0-0=; 9.Qf3 d5 10.Bd3 de4 11.Be4 h5 12.Rb1 g4 13.Qe2 Nf6 14.Nc4-/+; 9.Qe2 Nc6 10.Nf3 g4 11.Nd2 Nf6 12.Qd1 Bd7 13.Bd3 h6 14.Nc2+=) 9...Nf6 10.Bd3 h5 11.Ne2 h4 12.Qg5 Ne4 13.Qg7 Bf6 14.Qg4=; D4) 8...g6 9.Qe2 (9.Qf4 e5 10.de5 Qa5 11.Qf3 de5 12.Nc2 Qc7 13.Bb5 Bd7 14.Bd7-/+; 9.Qf3 Nc6 10.Bd3 Nf6 11.Nc2 e5 12.d5 Na5 13.Ra3 b5 14.Ne3+=; 9.Bd3 Nc6 10.Qf3 Nf6 11.Ne2 e5 12.d5 Na5 13.Rb1 Qc7 14.h3+=) 9...Nc6 10.Nf3 d5 11.e5 b6 12.Qe3 Na5 13.Rb1 Qc7 14.Be2+=.

    7.Bb5 A) 7...Nc6 A1) 8.Nd2 b6 (8...Qc7 9.Ne2 d6 10.d5 Rb8 11.Ba4 b5 12.dc6 ba4 13.Qa4 Nf6+=; 8...Ra7 9.Bd3 d5 10.Ngf3 Nf6 11.e5 Nd7 12.Ba3 b5 13.Be7 Qe7+=; 8...d5 9.Ngf3 Bd7 10.Bd3 Nf6 11.e5 Nh5 12.Nb3 a5 13.g4 a4+=) 9.Ngf3 Nf6 10.e5 Nd5 11.Ne4 Bb7 12.Be2 0-0 13.c4 Ndb4+=; A2) 8.Nf3 d5 (8...Ra7 9.Bd3 d5 10.Nbd2 Nf6 11.e5 Nd7 12.Ba3 b5 13.Be7 Qe7+=; 8...Nf6 9.e5 Ne4 10.Ng1 Bg5 11.Nh3 Bc1 12.Qc1 Qh4 13.0-0 h6=; 8...b6 9.0-0 Bb7 10.Bd3 d5 11.e5 Qc7 12.Nbd2 b5 13.Ba3 f6+=) 9.Ne5 Bd7 10.Nd7 Qd7 11.0-0 de4 12.Qg4 Rc8 13.Be2 Nf6+=; A3) 8.Be3 Nf6 (8...d5 9.Nd2 Ra7 10.Bd3 b5 11.e5 b4 12.Ne2 a5 13.cb4 Nb4+=) 9.d5 Na5 10.d6 ab5 11.de7 Qc7 12.Qd3 Ra6 13.Qb5 Nc4-/+; A4) 8.e5 d6 (8...Ra7 9.Qg4 Bf8 10.Bc6 bc6 11.Ba3 Ne7 12.Nf3 h5 13.Qe4 a5=; 8...Na5 9.Bd3 d5 10.Nf3 b5 11.Qc2 f5 12.0-0 Nc4 13.Na3 Bb7+=; 8...d5 9.Bd3 Bd7 10.Nf3 Qc7 11.Qc2 Rc8 12.Na3 f5 13.0-0 Na5+=) 9.Nf3 de5 10.Ne5 Qd5 11.Bc6 bc6 12.Qg4 Bf6 13.c4 Qd6+=; B) 7...b6 B1) 8.Bd3 d5 (8...Bb7 9.Nf3 Nf6 10.e5 Ne4 11.0-0 d5 12.Nfd2 Nd2 13.Nd2 Qc7+=; 8...d6 9.Nf3 Nf6 10.0-0 Bb7 11.Re1 0-0 12.c4 Qc7 13.Qb3 Nc6+=; 8...Nc6 9.Nf3 d5 10.0-0 de4 11.Be4 Bb7 12.Ne5 Qc7 13.Bf4 Bd6+=) 9.e5 a5 10.Qg4 g6 11.Ne2 Ba6 12.Bc2 Qc7 13.0-0 Bc4+=; B2) 8.Nf3 Qc7 (8...Bb7 9.Bd3 Nf6 10.e5 Ne4 11.0-0 0-0 12.Qe2 d5 13.c4 Nc6+=; 8...Nc6 9.0-0 Bb7 10.Bd3 d5 11.Nbd2 b5 12.Re1 Nf6 13.e5 Nd7+=; 8...Nf6 9.e5 Ne4 10.Qe2 Bb7 11.Bd3 d5 12.Ba3 b5 13.0-0 Ba3+=) 9.0-0 Bb7 10.Bd3 b5 11.e5 Bd5 12.Re1 Qc6 13.Nfd2 Nh6+=; B3) 8.Nd2 Qc7 (8...Bb7 9.Bd3 Nf6 10.Ngf3 d5 11.e5 Ne4 12.Qc2 Qc7 13.Bb2 Nd2+=; 8...Nc6 9.Ngf3 Nf6 10.Bd3 d5 11.e5 Nd7 12.Qc2 h6 13.Ba3 0-0+=) 9.Ne2 Bb7 10.Bd3 Nf6 11.0-0 d6 12.c4 0-0 13.Re1 Nbd7+=; B4) 8.e5 Bb7 9.Qg4 g6 10.Be2 h5 11.Qh3 b5 12.Nf3 d6 13.0-0 Nd7+=.

    7.Nd2 A) 7...d5 A1) 8.Ngf3 Nd7 (8...de4 9.Ne4 Qc7 10.Qc2 Ra7 11.g3 Nc6 12.Bf4 Qd8 13.Ne5 Nf6+=; 8...Nh6 9.Bd3 0-0 10.0-0 Nc6 11.Re1 Ng4 12.Qc2 f5 13.ed5 ed5=; 8...Nc6 9.Bd3 Nf6 10.e5 Nd7 11.0-0 0-0 12.Qc2 h6 13.Re1 b6+=) 9.Bb5 de4 10.Ne4 Rb8 11.Bd3 Qc7 12.Qd2 Ngf6 13.Nf6 Nf6+=; A2) 8.Qf3 Nc6 (8...Nf6 9.e5 Nfd7 10.Bd3 Nc6 11.Ne2 0-0 12.0-0 h6 13.Nf4 b6+=; 8...Qc7 9.Bd3 Nf6 10.Ne2 0-0 11.e5 Nfd7 12.Qh5 h6 13.Ba3 Ba3+=; 8...Nh6 9.Bd3 0-0 10.Ne2 b6 11.ed5 ed5 12.Nf4 Bb7 13.0-0 Re8+=) 9.Qg3 g6 10.Bd3 Nf6 11.e5 Nh5 12.Qf3 0-0 13.g4 Ng7-/+; A3) 8.Bb5 Bd7 (8...Nc6 9.Ngf3 Bd7 10.Bd3 Nf6 11.e5 Nh5 12.Nb3 a5 13.g4 a4+=; 8...Nd7 9.Ngf3 de4 10.Ne4 Ngf6 11.Nf6 Bf6 12.Bf4 0-0 13.Bd3 Nb6+=) 9.Bd3 de4 10.Ne4 Nf6 11.Nf6 Bf6 12.Nf3 Qc7 13.Bd2 b5+=; A4) 8.Bd3 Nc6 (8...b6 9.Ne2 Nf6 10.e5 Nfd7 11.0-0 Nc6 12.Nf4 0-0 13.Qf3 Qc7+=; 8...Qc7 9.Ne2 Bd7 10.0-0 b5 11.e5 Nh6 12.Qb3 0-0 13.Qc2 Nf5+=; 8...de4 9.Ne4 Nf6 10.Nf6 Bf6 11.Nf3 Qc7 12.Bd2 Bd7 13.0-0 b5+=) 9.Ngf3 Nf6 10.e5 Nd7 11.0-0 0-0 12.Ba3 Ba3 13.Ra3 f6+=; B) 7...Nc6 B1) 8.Ngf3 Qc7 (8...d6 9.Bd3 Nf6 10.0-0 0-0 11.Re1 b6 12.Qc2 h6 13.Qb3 Qc7+=; 8...d5 9.Bd3 Nf6 10.Qc2 Nh5 11.0-0 Nf4 12.Ba3 Ba3 13.Ra3 Nd3+=; 8...b6 9.Bd3 d5 10.0-0 Nf6 11.e5 Nd7 12.Ba3 0-0 13.Be7 Qe7+=) 9.Bd3 d6 10.0-0 Nf6 11.c4 0-0 12.Qb3 b6 13.Qb2 Bb7+=; B2) 8.Bb5 Qc7 (8...d5 9.Ngf3 Bd7 10.Bd3 Nf6 11.e5 Nh5 12.Nb3 a5 13.g4 a4+=; 8...Ra7 9.Bd3 d5 10.Ngf3 Nf6 11.e5 Nd7 12.Ba3 b5 13.Be7 Qe7+=; 8...b6 9.Ngf3 Nf6 10.Bd3 d5 11.e5 Nd7 12.Qe2 0-0 13.0-0 Bb7+=) 9.Ne2 b6 10.Nf3 Bb7 11.Bd3 Nf6 12.e5 Nd5 13.0-0 b5-/+; B3) 8.Bd3 Nf6 (8...d6 9.Ne2 Nf6 10.0-0 0-0 11.Nf3 b6 12.Bf4 Bb7 13.Qb1 h6+=; 8...d5 9.Ngf3 Nf6 10.e5 Nd7 11.Ba3 Ba3 12.Ra3 Qe7 13.Ra4 f6+=; 8...b6 9.Ngf3 d5 10.0-0 Nf6 11.e5 Nd7 12.Ba3 0-0 13.Be7 Qe7+=) 9.e5 Nd5 10.Ne4 0-0 11.Qh5 g6 12.Qe2 Qc7 13.Bd2 f6+=; B4) 8.Qg4 Bf8 (8...g6 9.Ngf3 d5 10.e5 Nh6 11.Qh3 Nf5 12.Bd3 Qc7 13.0-0 Na5+=; 8...g5 9.Bd3 d5 10.Qe2 Nf6 11.e5 Nd7 12.Nh3 Ra7 13.f4 gf4=; 8...Bf6 9.e5 Nh6 10.Qh3 Be7 11.Ndf3 Ng8 12.Qg3 Bf8 13.Bd3 d5=) 9.Bd3 d5 10.Qe2 Be7 11.Ngf3 Nf6 12.e5 Nd7 13.0-0 0-0+=; C) 7...d6 C1) 8.Ngf3 Qc7 (8...Nf6 9.Bd3 0-0 10.0-0 b6 11.Qc2 h6 12.Ba3 Bb7 13.Rfb1 Nbd7+=; 8...Nc6 9.Be2 Nf6 10.0-0 0-0 11.c4 Qc7 12.Re1 b6 13.Qb3 Bb7+=; 8...Nd7 9.Bd3 Ngf6 10.c4 0-0 11.0-0 b6 12.Qe2 Bb7 13.Re1 Qc7+=) 9.c4 Nf6 10.Bd3 0-0 11.0-0 Nc6 12.Qb3 b6 13.Qb2 Bb7+=; C2) 8.Bd3 Nc6 (8...Nf6 9.Ngf3 0-0 10.0-0 Nc6 11.Re1 b6 12.Qc2 h6 13.Qb3 Qc7+=; 8...Qc7 9.Qf3 Nf6 10.Ne2 Nc6 11.0-0 0-0 12.Ba3 e5 13.d5 Na7+=; 8...b6 9.Ne2 Nf6 10.0-0 0-0 11.c4 Nc6 12.Qb3 Qc7 13.Rb1 Nd7+=) 9.Ne2 Nf6 10.0-0 0-0 11.Re1 b6 12.Qb3 Qc7 13.Rb1 b5-/+; C3) 8.Be2 Qc7 (8...b6 9.Ngf3 Nf6 10.0-0 Bb7 11.Bd3 0-0 12.Qc2 h6 13.Ba3 Nbd7+=; 8...Nf6 9.Ngf3 b6 10.0-0 Bb7 11.Bd3 0-0 12.Qc2 h6 13.c4 Nc6+=; 8...Nd7 9.Ngf3 Ngf6 10.0-0 0-0 11.c4 b6 12.Bd3 Qc7 13.Qe2 Bb7+=) 9.c4 Nf6 10.Ngf3 0-0 11.0-0 b6 12.Qb3 Bb7 13.Qe3 Rc8+=; C4) 8.Qg4 Bf6 (8...g6 9.Bd3 Nf6 10.Qd1 0-0 11.Ngf3 Qc7 12.c4 Nc6 13.0-0 b6+=; 8...Bf8 9.Bd3 Qc7 10.Qg3 Nf6 11.Ne2 Nc6 12.0-0 Ra7 13.Ba3 b5=; 8...e5 9.Qg7 Bf6 10.Qg3 ed4 11.Nc4 Be7 12.cd4 Nf6 13.Nd2 Rg8+=) 9.Qg3 e5 10.Ngf3 Qc7 11.Bb2 Nc6 12.Be2 h5 13.h3 Nge7+=; D) 7...Qc7 D1) 8.c4 d5 (8...d6 9.Ngf3 Nf6 10.Bd3 0-0 11.0-0 Nc6 12.Qb3 b6 13.Qb2 Bb7+=; 8...Nc6 9.Ngf3 d6 10.Bd3 Nf6 11.0-0 0-0 12.Qb3 b6 13.Rd1 Bb7+=; 8...Bf6 9.Ngf3 d6 10.Bd3 Nc6 11.Bb2 Nge7 12.0-0 Ng6 13.Nb3 Nf4+=) 9.Ngf3 de4 10.Ne4 Nf6 11.Nf6 Bf6 12.Bd3 Nc6 13.Bb2 Qf4+=; D2) 8.Qf3 Ra7 (8...b6 9.e5 Nh6 10.Qa8 Bb7 11.Qa7 Nc6 12.Qb7 Qb7 13.Ra6 b5-/+; 8...d5 9.Bd3 Nf6 10.Ne2 0-0 11.e5 Nfd7 12.Qh5 h6 13.Ba3 Ba3+=; 8...Nc6 9.Bd3 d6 10.Ne2 Nf6 11.Qg3 0-0 12.Nb3 e5 13.d5 Na7+=) 9.e5 Nh6 10.Ne4 Nf5 11.Bf4 b5 12.d5 ed5 13.Nd6 Bd6-/+; D3) 8.Qc2 Nf6 (8...d6 9.Ngf3 Nf6 10.Bd3 Nc6 11.0-0 b6 12.Re1 Bb7 13.Rb1 Nd7+=; 8...Nc6 9.Ngf3 d6 10.Bd3 Nf6 11.0-0 b6 12.Re1 Bb7 13.Rb1 d5+=; 8...b6 9.Bd3 Nf6 10.Ngf3 d6 11.c4 Nc6 12.0-0 0-0 13.Qb2 Bb7+=) 9.Ngf3 d6 10.Bd3 Nc6 11.Qb3 0-0 12.c4 d5 13.Ba3 b5-/+; D4) 8.Qb3 b6 (8...d6 9.Ngf3 Nf6 10.Bd3 0-0 11.0-0 Nc6 12.c4 b6 13.Qb2 Bb7+=; 8...d5 9.Bd3 de4 10.Ne4 Nc6 11.Nf3 Nf6 12.Nf6 Bf6 13.0-0 b6+=; 8...Nc6 9.Ngf3 Nf6 10.e5 Nd5 11.c4 Ndb4 12.Be2 0-0 13.Ra4 b5+=) 9.Bd3 d6 10.Ne2 Nf6 11.0-0 0-0 12.c4 Bb7 13.Ba3 Rc8+=.

    7.Bd3 b6 A) 8.Nf3 d5 (8...d6 9.0-0 Bb7 10.c4 Nf6 11.Nc3 d5 12.ed5 ed5 13.cd5 0-0+=; 8...Nc6 9.0-0 Bb7 10.Qb3 Qc7 11.Nbd2 Nf6 12.Ba3 d6 13.Rfb1 Nd7+=; 8...Bb7 9.0-0 d6 10.c4 Nf6 11.Nc3 0-0 12.Qb3 Nbd7 13.Bg5 e5+=) 9.Bf4 Nf6 10.ed5 Qd5 11.Qa4 Nc6 12.Bc7 Bd7 13.Bb6 Ne5-/+; B) 8.Nh3 d6 (8...Nc6 9.0-0 d5 10.e5 Qc7 11.Qg4 g6 12.Nf4 Na5 13.Ba3 Bb7=; 8...d5 9.0-0 Nc6 10.Nf4 Nf6 11.e5 Nd7 12.Qg4 g6 13.Ba3 Ba3=; 8...Bb7 9.0-0 d6 10.c4 Nf6 11.Nc3 Qc7 12.Bd2 Nc6 13.Be3 0-0+=) 9.0-0 Bb7 10.c4 Nf6 11.Nc3 Qc7 12.Bd2 Nc6 13.Be3 0-0+=; C) 8.Bf4 Bb7 (8...d6 9.Nf3 Nf6 10.0-0 0-0 11.Nbd2 Qc7 12.Qb3 Nbd7 13.Rfb1 Bb7+=) 9.Nf3 Nf6 10.Nbd2 d5 11.Qe2 de4 12.Ne4 Nd5 13.Bd2 b5-/+; D) 8.e5 Bb7 (8...d5 9.Qg4 Bf8 10.Nf3 a5 11.Ng5 Ba6 12.Nf7 Kf7 13.Qh5 g6=; 8...d6 9.Qf3 d5 10.Ne2 Bb7 11.0-0 Nc6 12.Nf4 Qc7 13.Qg3 g6=; 8...Nc6 9.Qg4 g6 10.Nf3 Bb7 11.0-0 d6 12.Rd1 b5 13.Ba3 Qc7+=) 9.Qg4 g6 10.Nf3 d6 11.0-0 de5 12.Ne5 Nf6 13.Qg3 Nbd7+=.

    7.Bd3 Nc6 A) 8.Nd2 Nf6 (8...d6 9.Ngf3 Nf6 10.0-0 0-0 11.Re1 b6 12.Qc2 h6 13.Qb3 Qc7+=; 8...d5 9.Ngf3 Nf6 10.e5 Nd7 11.Ba3 Ba3 12.Ra3 Qe7 13.Ra4 f6+=; 8...Qc7 9.Ngf3 d6 10.0-0 Nf6 11.Qe2 0-0 12.Rd1 Bd7 13.c4 e5+=) 9.e5 Nd5 10.Ne4 0-0 11.Qh5 g6 12.Qe2 Qc7 13.Bd2 f6+=; B) 8.Bf4 Nf6 (8...d5 9.Nd2 Nf6 10.e5 Nd7 11.Qg4 Bf8 12.Ngf3 Ra7 13.0-0 b5=) 9.Nd2 d6 10.Ngf3 e5 11.Bg3 ed4 12.Nd4 0-0 13.0-0 Ne5+=; C) 8.Nf3 d5 (8...d6 9.0-0 Nf6 10.c4 0-0 11.Qb3 a5 12.Bd2 Re8 13.Re1 Nd7+=) 9.e5 Qc7 10.0-0 b6 11.Qe2 Na5 12.Nfd2 Nh6 13.Nf3 Nf5+=; D) 8.Nh3 e5 (8...d5 9.e5 Bd7 10.0-0 Qc7 11.Nf4 h6 12.Ba3 b5 13.Qf3 b4=; 8...b6 9.0-0 d5 10.Nf4 Nf6 11.e5 Nd7 12.Qg4 g6 13.Ba3 Ba3=; 8...d6 9.0-0 Nf6 10.Qf3 0-0 11.Qg3 Kh8 12.Bg5 e5 13.d5 Nh5+=) 9.d5 Na7 10.Qg4 Nf6 11.Qg3 d6 12.0-0 0-0 13.c4 Qc7+=.

    7.Bd3 d5 A) 8.Nd2 Qc7 (8...b6 9.Ngf3 Nf6 10.e5 Nfd7 11.Ba3 0-0 12.Qb1 h6 13.Be7 Qe7+=; 8...de4 9.Ne4 Nf6 10.Nf6 Bf6 11.Nf3 Qc7 12.Bd2 Bd7 13.Qe2 Bc6+=; 8...Nc6 9.Ngf3 Nf6 10.e5 Nd7 11.0-0 0-0 12.Ba3 Ba3 13.Ra3 f6+=) 9.Ne2 Bd7 10.0-0 b5 11.ed5 ed5 12.Nf3 Nf6 13.Qc2 0-0+=; B) 8.Qf3 de4 (8...Nc6 9.e5 Qc7 10.Nd2 Bd7 11.Qg3 g6 12.Ne2 f6 13.ef6 Qg3+=; 8...Qd7 9.Nd2 b5 10.Qg3 g6 11.Ba3 Bb7 12.e5 Nc6 13.Be7 Nge7=; 8...Nf6 9.e5 Nfd7 10.Qg3 g6 11.Nf3 Nc6 12.0-0 Qc7 13.Ba3 Ra7=) 9.Be4 Qd7 10.Bf4 Nf6 11.Bd3 Nc6 12.Ne2 0-0 13.0-0 Rd8-/+; C) 8.Qb3 de4 (8...Nc6 9.e5 Qc7 10.Nf3 Ra7 11.0-0 b5 12.Nbd2 f6 13.Re1 fe5+=; 8...b6 9.Ne2 Bb7 10.e5 Nc6 11.0-0 b5 12.Nd2 Qc7 13.Nf4 Rc8+=; 8...Nf6 9.e5 Nfd7 10.Nf3 Nc6 11.Ba3 0-0 12.0-0 Ba3 13.Na3 f6+=) 9.Be4 Nc6 10.Ba3 Nf6 11.Be7 Qe7 12.Bc6 bc6 13.Nf3 c5-/+; D) 8.e5 Nc6 (8...Qc7 9.Qg4 Bf8 10.Ba3 f5 11.Qg5 Ne7 12.Bd6 Qd8 13.Nf3 Ng6=; 8...b6 9.Qg4 g6 10.Nf3 f5 11.Qg3 Nc6 12.Ba3 a5 13.Bb5 Qd7=; 8...Bd7 9.Qg4 g6 10.Nf3 Nc6 11.0-0 f5 12.Qg3 b5 13.Ng5 Kf8=) 9.Nf3 Qc7 10.0-0 Ra7 11.Bg5 b5 12.Nbd2 Bd7 13.Re1 f6+=.

    7.Bd3 d6 8.Nd2 Nc6 (8...Qc7 9.Qf3 Nf6 10.Ne2 Nc6 11.Qg3 0-0 12.Nb3 e5 13.d5 Na7+=; 8...Nf6 9.Ngf3 0-0 10.0-0 Qc7 11.c4 Nc6 12.Qb3 b6 13.Qb2 Bb7+=; 8...b6 9.Qf3 Bb7 10.Ne2 Nf6 11.0-0 0-0 12.Re1 b5 13.c4 bc4+=) 9.Ne2 Nf6 10.0-0 0-0 11.Re1 b6 12.Qb3 Qc7 13.Rb1 b5-/+.

    7.Bd3 d6 8.Ne2 Nc6 9.0-0 Nf6 10.f4 0-0 11.h3 b6 12.Nd2 Qc7 13.Ba3 Bb7 14.Qb1 b5 (14...h6!?+=) 15.e5= de5 16.fe5 Nd5 17.Bh7 Kh8 18.Be4 (18.Be7 Nce7 19.Be4 Ne3+=) 18...b4 (better is 18...Ba3!? 19.Ra3 Ne5+=) 19.cb4 Bb4 20.Bd5 Bd2? (better is 20...Ba3!? 21.Ra3 ed5+/-) 21.Bf8+- Rf8 22.Qd3 Bh6 23.Be6 Nd8? (better is 23...Ne5 24.de5 Qc6+-) 24.Bg4 Qe7 (24...Nc6 25.Qb3+-) 25.Bf3 Bc8 26.Qa3 Qe8 27.d5 g6 28.Qc5 (28.Qc3!? Bb7 29.Rfe1 Kg8+-) 28...Nb7 29.Qc7 Be3 30.Kh1 Nc5 31.Ra3 Ne6 32.de6 Be6 33.Re3 Qb5 34.Rd1 Qb2 35.Rd8 Qb4 36.Re4 Qe1 37.Ng1 Rd8 38.Qd8 Kg7 39.Re1 a5 40.Re4 (40.Re4 g5 41.Qg5 Kf8 42.Rh4 f5 43.Rh8 Bg8 44.Rg8 Kf7 45.Bd5; 40.Qf6 Kh7 41.Re4 Bb3 42.Rh4 Kg8 43.Rh8) 1–0. Frink,Ferenc (2195) – Krajnik,Richard (1920), Fuzesabony rap op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 a6)

    7.Bd3 d6 8.Ne2 Nc6 9.0-0 Nf6 10.Bg5 0-0 11.Nd2 b6 12.Qa4 Bb7 13.c4 h6 +=.

    7.Bd3 d6 8.Ne2 Qc7 9.Bf4 e5 10.Be3 Nf6 11.Na3 Ng4 12.Nb5 Qd7 13.Bc1 0-0 +=.

    7.Bd3 d6 8.Ne2 d5 9.Nd2 Nc6 10.0-0 Nf6 11.e5 Nd7 12.Qc2 h6 13.Ba3 Ba3 +=.

    7.Bd3 d6 8.Ne2 Nf6 9.0-0 0-0 10.Nd2 Nc6 11.Re1 b6 12.Qa4 Qc7 13.Qb3 b5 -/+.

    7.Bd3 d6 8.Qf3 e5 (8...Nf6 9.Ne2 e5 10.0-0 0-0 11.h3 Nc6 12.Rd1 ed4 13.cd4 Nb4+=; 8...Nc6 9.Ne2 Nf6 10.0-0 0-0 11.Qg3 d5 12.e5 Ne8 13.Qh3 f5+=) 9.Qg3 Nf6 10.Ne2 0-0 11.0-0 b6 12.Nd2 Qc7 13.Rd1 Be6 +=.

    7.Bd3 d6 8.Nf3 Nf6 (8...Nc6 9.0-0 Nf6 10.Qe2 0-0 11.Bg5 h6 12.Bf6 Bf6 13.Nbd2 Qc7+=; 8...d5 9.Nbd2 Nf6 10.e5 Nfd7 11.Qc2 Qc7 12.0-0 Nc6 13.Ba3 Ba3=; 8...b6 9.0-0 Bb7 10.c4 Nf6 11.Nc3 Qc7 12.Qb3 0-0 13.Bf4 Nbd7+=) 9.0-0 Nc6 10.c4 0-0 11.Nc3 Nb4 12.Be2 d5 13.ed5 ed5 +=.

    7.Nf3 b6 A) 8.Nbd2 Bb7 (8...d6 9.Bd3 Nf6 10.0-0 0-0 11.Qc2 h6 12.Ba3 Bb7 13.Rfb1 Nbd7+=; 8...d5 9.Bd3 Nf6 10.e5 Nfd7 11.Ba3 Ba3 12.Ra3 Qe7 13.Qb3 0-0+=; 8...Qc7 9.c4 d6 10.Bd3 Nf6 11.Qa4 Bd7 12.Qb3 0-0 13.Rb1 Bd8+=) 9.Bd3 d6 10.0-0 Nf6 11.Re1 0-0 12.c4 Qc7 13.Qe2 Nc6+=; B) 8.Bf4 Bb7 (8...d6 9.Bd3 Nf6 10.0-0 0-0 11.Nbd2 Qc7 12.Qb3 Nbd7 13.Rfb1 Bb7+=) 9.Bd3 b5 10.Nbd2 Nf6 11.0-0 Nc6 12.Qb1 0-0 13.Rc1 d5+=; C) 8.e5 Bb7 (8...d6 9.Bb5 Bd7 10.Bd3 Bc6 11.0-0 b5 12.Nbd2 de5 13.Ne5 Nf6+=; 8...d5 9.Bd3 Nc6 10.0-0 Qc7 11.Qe2 Na5 12.Qc2 h6 13.Nbd2 Nc4=; 8...Qc7 9.Bd3 Bb7 10.0-0 b5 11.Bf4 Bd5 12.Nfd2 g5 13.Be3 d6+=) 9.Bd3 d6 10.0-0 de5 11.Ne5 Nf6 12.Ba3 Ba3 13.Na3 0-0-/+; D) 8.Bd3 Nc6 (8...d6 9.0-0 Bb7 10.c4 Nf6 11.Nc3 Qc7 12.Qb3 0-0 13.Bf4 Nbd7+=; 8...Qc7 9.0-0 Bb7 10.c4 Nc6 11.Nc3 Nb4 12.Be2 Nf6 13.e5 Ne4+=; 8...Bb7 9.0-0 d6 10.c4 Nf6 11.Nc3 0-0 12.Qb3 Nbd7 13.Bg5 e5+=) 9.0-0 Bb7 10.Qb3 Qc7 11.Nbd2 Nf6 12.Ba3 d6 13.Rfb1 Nd7+=.

    7.Nf3 d5 A) 8.e5 Nc6 (8...Bd7 9.Bd3 Nc6 10.0-0 Ra7 11.Nbd2 b5 12.Nb3 f6 13.Ba3 fe5=; 8...Qc7 9.Bd3 Nc6 10.0-0 b6 11.Qe2 Na5 12.Qc2 h6 13.Nbd2 Nc4=; 8...b6 9.Bd3 Nc6 10.0-0 Bb7 11.Be3 b5 12.Nbd2 Qc7 13.Re1 Rc8+=) 9.Bd3 Qc7 10.0-0 b6 11.Qe2 Na5 12.Nfd2 Nh6 13.Nf3 Nf5+=; B) 8.ed5 ed5 (8...Qd5 9.c4 Qd8 10.Bd3 Nc6 11.Qa4 Nf6 12.0-0 0-0 13.Rd1 Nb4+=) 9.Bb5 Nd7 10.0-0 Ngf6 11.Re1 0-0 12.Qb3 Nb6 13.Re7 Qe7-/+; C) 8.Nbd2 Nc6 (8...Nf6 9.e5 Nfd7 10.Bd3 Nc6 11.Ba3 Ba3 12.Ra3 Qe7 13.Qb3 0-0+=; 8...Nh6 9.Bd3 0-0 10.0-0 Nc6 11.Re1 Ng4 12.Qc2 f5 13.ed5 ed5=; 8...de4 9.Ne4 Qc7 10.Qc2 Ra7 11.g3 Nc6 12.Bf4 Qd8 13.Ne5 Nf6+=) 9.Bd3 Nf6 10.e5 Nd7 11.Ba3 Ba3 12.Ra3 Qe7 13.Ra4 f6+=.

    7.Nf3 Nf6 8.Bd3 (8.e5 Nd5 (8...Ne4 9.Bd3 d5 10.Qc2 f5 11.ef6 Nf6 12.Ng5 Nc6 13.Bh7 Nh7= –0.03; 8...Ng8 9.Bb5 b6 10.0-0 Bb7 11.Bd3 d6 12.Re1 de5 13.Ne5 Nf6+= –0.47) 9.c4 Nb4 10.Qd2 d5 11.ed6 Bd6 12.Ra4 N4c6 13.c5 Bc7+= –0.53) 8...0-0 (8...d6 9.0-0 Nc6 10.c4 0-0 11.Nc3 Nb4 12.Bg5 Nd3 13.Qd3 b6+= –0.50 ; 8...d5 9.e5 Nfd7 10.0-0 Nc6 11.Ba3 0-0 12.Qc2 h6 13.Be7 Qe7+= –0.34) 9.Qc2 g6 (9...h6 10.e5 Nd5 11.0-0 d6 12.Ba3 Nc6 13.Re1 b6+= –0.56) 10.0-0 (10.e5 Nh5 11.0-0 d5 12.Qe2 Nc6 13.Bh6 Ng7= –0.22) 10...Kg7 (10...d5 11.e5 Nh5 12.Bh6 Ng7 13.Qe2 Bd7= –0.25) 11.Nbd2 (11.e5 Ne8 12.c4 d5 13.c5 Nc6= 0.22) 11...Ne8 (11...d5 12.e5 Nfd7 13.Ba3 Ba3= –0.13) 12.Re1 (12.c4 d6 13.Bb2 b6= 0.19) 12...Nc7 (12...d5 13.Ba3 Ba3= 0.06) 13.Bb2 (13.Nc4 b5= 0.12) 13...b5 (13...d5= 0.06) 14.Nf1 d5 15.e5 Bd7 16.Bc1 a5 17.Qd2 Rh8 18.Qh6 Kg8 19.Ng3 Nc6 20.h4 a4 21.Qf4 a3 22.Nh2 Na5 23.Ng4+= h5 24.Nh6 Rh6 25.Qh6 Bh4? 26.Bg6! fg6 27.Qg6 Kh8 28.Qh5 Kg8 29.Qg6 Kh8 30.Qh6 Kg8 31.Nh5 Qf8 32.Qg6 Kh8 33.Bh6?? Be8= 34.Bg7 Kg8 35.Qh6 Qf2 36.Kh1 Bh5 37.Rf1 Kf7?? 38.Rf2 Bf2 39.Rf1 Ke7 40.Rf2 Be8 41.Bf8 Kd7 42.Qg7 Kc6 43.Ba3 Nc4 44.Bc5 Ra1 45.Kh2 Ne3 46.Bd6 Na6 47.Qg8 Rh1 48.Kh1 (48.Kh1 b4 49.Qe8 Kb6 50.Ra2 b3 51.Bc5 Nc5 52.dc5 Kc5 53.Qc8 Kb5 54.Qa6 Kc5 55.Ra5) 1–0. Jaroch,Karol (2240) – Puczylowski,Marcin (2030), Kowalewo Pomorskie Poland, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7)

    7.Qg4 A) 7...Bf8 A1) 8.Bg5 Ne7 (8...f6 9.Be3 d5 10.Bd3 e5 11.Qh5 g6 12.Qh4 Be7 13.ed5 f5+= –0.41; 8...Nf6 9.Qh4 Qb6 10.Nd2 Qb2 11.Rb1 Qc3 12.Ne2 Qa5 13.Bf6 gf6+= –0.56; 8...Qc7 9.Bb5 Nc6 10.Qe2 Ra7 11.Bd3 b5 12.Nf3 Be7 13.Qe3 f6+= –0.56) 9.Bb5 Nbc6 10.Nf3 Qb6 11.Be7 Qb5 12.Bf8 Qb2 13.Bg7 Qa1-/+ –0.78; A2) 8.Bb5 b6 (8...Nc6 9.Bg5 f6 10.Be3 d5 11.Nf3 f5 12.ef5 ef5 13.Qg3 Bd7+= –0.38; 8...Nf6 9.Qf3 Nc6 10.e5 Nd5 11.Nh3 Qb6 12.Bd3 d6 13.ed6 Bd6+= –0.66; 8...Ne7 9.Nf3 Nbc6 10.Qh5 Ra7 11.Bd3 d5 12.Ng5 g6 13.Qh4 h6+= –0.38) 9.Bg5 Nf6 10.Qf3 Bb7 11.Bd3 h6 12.Be3 d5 13.e5 Ne4+= –0.66; A3) 8.e5 Nc6 (8...d5 9.Nf3 Nc6 10.Bd3 Ra7 11.0-0 b5 12.Bg5 Qc7 13.Nbd2 Nce7+= –0.28; 8...d6 9.Bg5 Qd7 10.Nf3 b5 11.c4 Bb7 12.Nbd2 bc4 13.Bc4 h6= –0.25; 8...Ne7 9.Bd3 d5 10.Nf3 Nbc6 11.0-0 Qc7 12.Ba3 Bd7 13.Bd6 Qd8= 0.03) 9.Nf3 d6 10.Be2 de5 11.de5 Qc7 12.Qg3 Nge7 13.Nbd2 Nf5-/+ –0.75; A4) 8.Bd3 d6 (8...Nf6 9.Qe2 d5 10.e5 Nfd7 11.Nf3 Nc6 12.Nbd2 Be7 13.0-0 0-0+= –0.31; 8...Nc6 9.Bg5 Nge7 10.Nf3 d5 11.Qh5 Qb6 12.Ra2 de4 13.Be4 Nd5+= –0.38; 8...d5 9.e5 Nc6 10.Nf3 Ra7 11.0-0 Nge7 12.Ba3 Bd7 13.Nbd2 b5= 0.00) 9.Qe2 Nf6 10.Nf3 b6 11.0-0 Bb7 12.Bf4 Be7 13.c4 Nc6+= –0.41; B) 7...g5 B1) 8.Bb5 Nc6 (8...b6 9.e5 Bb7 10.Bd3 h5 11.Qg3 h4 12.Qh3 Nh6 13.f3 d6-/+ –0.72) 9.e5 Na5 10.Ba4 b5 11.Bc2 h5 12.Qg3 Bb7 13.Ba3 h4-/+ –0.81; B2) 8.Nf3 h5 (8...Nf6 9.Qg5 Ne4 10.Qe3 d5 11.Bd3 Nd6 12.0-0 Nc6 13.Nbd2 b5+= –0.56; 8...h6 9.e5 h5 10.Qg3 g4 11.Nfd2 d5 12.Bd3 Nh6 13.Ba3 Nf5= –0.22) 9.Qg3 h4 10.Qg4 Nf6 11.Qg5 Ne4 12.Qe5 Nf6 13.Bd3 h3-/+ –0.78; B3) 8.Nh3 h6 (8...Nf6 9.Qe2 d5 10.e5 Nfd7 11.Qh5 h6 12.Bd3 Nc6 13.0-0 Na5= 0.19) 9.Bd3 Nc6 10.0-0 Nf6 11.Qg3 d6 12.Rd1 e5 13.Bc2 Bg4-/+ –0.72; B4) 8.e5 h5 9.Qe2 d5 10.ed6 Bd6 11.Nd2 Be7 12.Qe5 Rh7 13.Bd3 Nd7= –0.13; C) 7...g6 C1) 8.Nf3 Nc6 (8...Nf6 9.Qf4 d6 10.Bd3 Nc6 11.0-0 e5 12.Qe3 0-0 13.h3 ed4+= –0.38; 8...d5 9.e5 Nc6 10.Bd3 Bd7 11.0-0 f5 12.Qg3 b5 13.Ng5 Kf8= –0.13; 8...f5 9.ef5 Nf6 10.Qh3 ef5 11.Bb5 Qb6 12.Be2 Qe6 13.Ne5 0-0+= –0.47) 9.e5 d6 10.Be3 Qb6 11.Bc1 de5 12.Ne5 f6 13.Nc4 Qc7+= –0.69; C2) 8.e5 h5 (8...d5 9.Nf3 Nc6 10.Bd3 Qc7 11.Ba3 Ba3 12.Ra3 Nb4 13.Bb5 Bd7+= –0.34; 8...d6 9.Nf3 de5 10.Ne5 Nc6 11.Bb5 Bd7 12.Nc6 Bc6 13.Bc6 bc6+= –0.53; 8...b6 9.Nf3 Bb7 10.Be2 d6 11.0-0 Nc6 12.Rd1 b5 13.Qg3 h5= –0.25) 9.Qf4 d6 10.Nf3 Nc6 11.Bd3 h4 12.0-0 h3 13.g4 de5-/+ –0.81; C3) 8.Bb5 Nc6 (8...b6 9.Bd3 Bb7 10.Qe2 b5 11.Nf3 f5 12.e5 Qc7 13.0-0 Bd5+= –0.44) 9.Nf3 Na5 10.Ba4 Nf6 11.Qf4 b5 12.Bc2 d5 13.e5 Nh5+= –0.66; C4) 8.Nd2 Nc6 (8...d5 9.e5 Nc6 10.Bd3 Qc7 11.Qh3 b6 12.Ne2 a5 13.0-0 Ba6+= –0.38; 8...b6 9.Ngf3 d5 10.e5 f5 11.Qg3 g5 12.Ba3 g4 13.Be7 Ne7+= –0.31; 8...Nf6 9.Qf3 d6 10.Bd3 e5 11.Ne2 Nc6 12.d5 Na5 13.0-0 b5= –0.25) 9.Qd1 d5 10.Ngf3 de4 11.Ne4 Nf6 12.Bd3 Nd5 13.c4 Ndb4+= –0.59.

    7.Na3 d5

    8.Nb5 A) 8...Kf8 9.e5 (9.Bf4 Nc6 10.Qe2 Nf6 11.e5 Ne8 12.Qe3 Kg8 13.Nf3 Bd7 14.Na3-/+; 9.Bd3 de4 10.Be4 Nf6 11.Bd3 Nc6 12.Nf3 b6 13.0-0 Bb7 14.Na3+=; 9.ed5 ed5 10.Bf4 Nc6 11.Bd3 Nf6 12.Ne2 Bg4 13.f3 Bh5 14.Na3+=) 9...Bd7 10.Ba3 Bb5 11.Bb5 Nd7 12.Bd3 b5 13.Nf3 Nb6 14.0-0=; B) 8...Bd7 9.Bf4 (9.ed5 ed5 10.Bf4 Bb5 11.Bb5 Nd7 12.Bd3 Ngf6 13.Nf3 Rc8 14.Qc2+=; 9.Qg4 Kf8 10.ed5 Nf6 11.Qg3 Ne4 12.Qf3 ed5 13.Bf4 Bg5 14.Nd6-/+; 9.e5 Nc6 10.Qg4 g6 11.Na3 f6 12.Nf3 fe5 13.de5 Qa5 14.Bb2-/+) 9...Bb5 10.Bb5 Nd7 11.Bd3 Ngf6 12.e5 Ne4 13.Ne2 f5 14.ef6+=; C) 8...de4 9.Bf4 e5 10.Be5 Kf8 11.Qb1 Nc6 12.Qe4 Nf6 13.Bf6 Bf6 14.Qf4=; D) 8...Nc6 9.Bf4 (9.ed5 ed5 10.Bf4 Kf8 11.Bd3 Nf6 12.Ne2 Bg4 13.f3 Bh5 14.Na3+=) 9...e5 10.de5 de4 11.Qd8 Kd8 12.Rd1 Bd7 13.Nc7 Ra7 14.Nd5+=.

    8.e5 Qa5 9.Qb3 Bd7 10.Bd2 Qc7 11.Nf3 Nc6 12.Bd3 Na5 13.Qc2 h6 14.0-0 +=.

    8.e5 Qa5 9.Qb3 Bd7 10.Nf3 Ba4 11.Qb2 Nc6 12.Bd3 Qc7 13.0-0 Rb8 14.Qb1+=.

    8.e5 Qa5 9.Qc2 Bd7 10.Nf3 Ba4 11.Qb2 Nc6 12.Bd3 b5 13.0-0 Qd8 14.Be3 +=.

    8.e5 Qa5 9.Qd2 Qc7 10.Nf3 b6 11.Bd3 Bb7 12.0-0 Nc6 13.Qf4 Na5 14.Bc2 +=.

    8.e5 Qa5 9.Qd2 Bd7 10.Nf3 Qc7 11.Bd3 Nc6 12.0-0 Ra7 13.Qf4 b6 14.Qg3 +=.

    8.e5 Qa5 9.Bd2 Qc7 10.Nb5 Qc6 11.Qg4 g6 12.Nf3 b6 13.Na3 Nh6 14.Qf4 +=.

    8.e5 Qa5 9.Bd2 Qc7 10.Bd3 Nc6 11.Nf3 Ra7 12.0-0 Bd7 13.Qc2 f6 14.Rfe1=.

    8.e5 Qa5 9.Qd3 Bd7 10.Qg3 Bf8 11.Be2 Ne7 12.Qd3 Nf5 13.Qd2 Be7 14.Nf3 -/+.

    8.e5 b6 9.Qb3 Bb7 10.Bd3 Nc6 11.Nf3 b5 12.0-0 Qc7 13.Be3 Na5 14.Qc2+=.

    8.e5 b6 9.Bd3 Qc7 10.Ne2 Bb7 11.0-0 b5 12.Nc2 Nc6 13.Ba3 Ba3 14.Ra3+=.

    8.e5 b6 9.Bd3 Qc7 10.Ne2 Bb7 11.0-0 b5 12.Nc2 Nc6 13.Be3 Rc8 14.Qb1+=.

    8.e5 b6 9.Nf3 Qc7 10.Qb3 Bb7 11.Bd3 Nd7 12.0-0 Rc8 13.Bd2 b5 14.Nc2+=.

    8.e5 b6 9.Qg4 g6 10.Bd3 Bb7 11.Ne2 Nc6 12.0-0 Qd7 13.Re1 f5 14.ef6 =.

    8.e5 b6 9.Qg4 g6 10.Bd3 f5 11.Qg3 Bb7 12.Ne2 b5 13.0-0 Nc6 14.Qf3=.

    8.e5 Nc6 9.Bd3 Qa5 10.Bd2 Bd7 11.Nf3 Qd8 12.0-0 b5 13.Nc2 Qc8 14.Ng5=.

    8.e5 Nc6 9.Be2 f6 10.Nf3 Bd7 11.0-0 fe5 12.de5 b5 13.Nc2 Na5 14.Nfd4=.

    8.e5 Nc6 9.Nf3 Qd7 10.Bd3 Ra7 11.0-0 b5 12.Nc2 Qc7 13.Bd2 Bb7 14.Re1+=.

    8.e5 Nc6 9.Nf3 Qd7 10.Bd3 Ra7 11.0-0 b5 12.Bg5 h6 13.Be3 Bb7 14.Nd2+=.

    8.e5 Nc6 9.Qg4 g5 10.Bd3 Qa5 11.Bb2 Qc7 12.Qh5 Qb6 13.Rb1 Qc7 14.Nf3=.

    8.e5 Nc6 9.Qg4 g6 10.Nf3 f6 11.Qg3 Ra7 12.Nc2 b6 13.Bf4 f5 14.Be2 =.

    8.e5 Bd7 9.Qb3 b6 10.Bd3 Nc6 11.Nf3 b5 12.0-0 Ra7 13.Be3 Qc7 14.Rfb1+=.

    8.e5 Bd7 9.Qb3 Qc7 10.Nf3 Nc6 11.Bd3 Na5 12.Qc2 h6 13.0-0 b5 14.Be3+=.

    8.e5 Bd7 9.Bd3 Qa5 10.Ne2 Ba4 11.Qd2 Nc6 12.0-0 b5 13.Nf4 Nh6 14.Nh5+=.

    8.e5 Bd7 9.Bd3 Qc7 10.Ne2 Ra7 11.Qc2 h6 12.0-0 Nc6 13.Be3 Na5 14.Nf4+=.

    8.e5 Bd7 9.Nf3 Nc6 10.Bd3 b5 11.0-0 Ra7 12.Nc2 Qc7 13.Bd2 Na5 14.Nb4=.

    8.e5 Bd7 9.Nf3 Qc7 10.Nb5 Qc8 11.Bg5 Bb5 12.Bb5 Nd7 13.Bd7 Qd7 14.0-0+=.

    8.e5 Bd7 9.Qg4 Qa5 10.Bd2 g6 11.Nc2 Qc7 12.Nf3 h5 13.Qf4 Nh6 14.Bd3 =.

    8.e5 Bd7 9.Qg4 Bf8 10.Bd3 Nc6 11.Ne2 Nge7 12.0-0 b5 13.Nc2 Nf5 14.Ba3+=.

    8.Bf4 A) 8...g5 9.Be5 (9.Bg3 Ba3 10.Ra3 de4 11.Qb1 Nc6 12.Bb5 Nf6 13.Bc6 bc6 14.Be5+=) 9...f6 10.Bg3 Ba3 11.Ra3 de4 12.h4 Qd5 13.c4 Qf5 14.hg5=; B) 8...Nc6 9.e5 (9.ed5 ed5 10.Nb5 Kf8 11.Bd3 Nf6 12.Ne2 Bg4 13.f3 Bh5 14.Na3+=; 9.Nb5 e5 10.de5 de4 11.Qd8 Kd8 12.Rd1 Bd7 13.Nc7 Ra7 14.Nd5+=) 9...Ra7 10.Nf3 b5 11.Bd3 Bd7 12.0-0 h6 13.Nc2 Qc7 14.Ne3+=; C) 8...Bd7 9.Nb5 (9.ed5 ed5 10.Nb5 Bb5 11.Bb5 Nd7 12.Bd3 Ngf6 13.Nf3 Rc8 14.Qc2+=; 9.e5 b6 10.Bd3 Nc6 11.Nf3 b5 12.0-0 h6 13.Be3 Ra7 14.Qb3+=) 9...Bb5 10.Bb5 Nd7 11.Bd3 Ngf6 12.e5 Ne4 13.Ne2 f5 14.ef6+=; D) 8...Ba3 9.Ra3 de4 10.Qg4 Nf6 11.Qg7 Rg8 12.Qh6 Rg6 13.Qh4 Nd5 14.Qd8+=.

    6.d4 b6

    7.Na3 Bb7 8.Bd3 Nf6 9.Qe2 Qc8 10.Bd2 0-0 11.Nf3 Qc6 (better is 11...d5!? 12.e5 Ne4-/+) 12.Ne5= Qa4? (12...Qc7 13.Nb5 Qd8 14.Ra7 Ra7 15.Na7=) 13.0-0 (13.Nc2 Qb3 14.0-0+-) 13...Ba3+= 14.Bb5 (better is 14.Bc1!? d5 15.Ba3+=) 14...Qc2 15.Bd3 Ba6 (better is 15...Qb3 16.Rfb1 Bb2=) 16.c4?? (better is 16.Ra3 Bd3 17.Nd3 Ne4 18.Qe4 Qd2 19.Qa8+/-) 16...Qb2-+ 17.Nf3 Nc6 18.Rfb1 Nd4 19.Nd4 Qd4 20.Ra3 Bb7 21.e5? Ng4-/+ 22.Bc2? Ne5-+ 23.Rh3 Ng6 24.Qh5 h6 25.Bc3 Qc5?? 26.Bg6?? fg6 27.Qc5= bc5 28.Rb7 Rab8 29.Rb8 Rb8 30.Kf1 d5 31.Rf3 d4 32.Bd2 e5 33.Ra3+/- Rb7 34.Ra5 Rc7 35.Bc1 Kf7 36.Ba3 Ke6 37.Rc5 Rc5 38.Bc5 a5 39.Ke2 g5 40.Kd3 g6 41.g4 a4 42.f3 h5 43.h3 Kd7 44.Bb4 Ke6 45.Ke4 h4 46.Kd3 Kd7 47.Kc2 Kc6 48.Kb2 d3 49.Kc3 e4 50.fe4 d2 51.Kd2 Kd7 52.e5 Ke6 53.Bd6 a3 54.Kc3 a2 55.Kb2 a1Q 56.Ka1 Kd7 57.Kb2 Kc6 58.Kc3 Kd7 59.Kb4 Kc6 60.Be7 Kd7 61.Bg5 Ke6 62.Kc5 Ke5 63.Kc6 Ke6 64.c5 Kf7 65.Kd7 Kf8 66.c6 Kg7 67.c7 Kf7 68.c8Q Kg7 69.Ke7 Kh7 70.Kf8 Kh8 71.Kf7 (71.Kf7 Kh7 72.Qg8) 1–0. Dupree,Charles (1720) – Carcar,Alex, San Francisco TNM Spring op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6)

    7.f4 Bb7-/+ 8.e5 (8.Bd3 Nf6 (8...f5 9.Nd2 Nf6 10.Qc2 Ng4 11.Ndf3 fe4 12.Be4 Be4 13.Qe4 Nc6 14.Ne2) 9.Nd2 (9.Qf3 d5 10.e5 Nfd7 11.Ne2 Nc6 12.0-0 g6 13.Qh3 0-0 14.Nd2; 9.Qc2 Nc6 10.Nf3 Rc8 11.Qb2 Qc7 12.0-0 Na5 13.Qc2 a6 14.Re1) 9...0-0 10.Ne2 Nc6 11.e5 Nd5 12.Ne4 Qc7 13.0-0 Na5 14.Qa4 ; 8.Nf3 Be4 9.Nbd2 Bf5 10.Ne5 Nc6 11.Bb5 Qc7 12.Qf3 Rc8 13.0-0 Nf6 14.Ba3) 8...Bh4 9.Kd2 (9.Ke2 Nh6 10.Nf3 Ba6 11.Kd2 Bf1 12.Rf1 Nc6 13.Na3 Be7 14.Ke2) 9...Be7 (9...Nc6 10.Nf3 Be7 11.Na3 d5 12.ed6 Bd6 13.Kc2 Nf6 14.Nc4) 10.Nf3 d6 (10...Nh6 11.Na3 0-0 12.Bd3 f6 13.Qc2 Nf5 14.Bf5) 11.Bd3 (11.Ke1 Nc6 12.Nbd2 Nh6 13.Nc4 d5 14.Ne3) 11...h6 (11...Nc6 12.Na3 d5 13.Ke1 Nh6 14.Kf2) 12.Rg1 (12.Ke2 h5 13.Re1 Nc6 14.Kf1) 12...g5 (12...Nc6 13.Na3 h5 14.Nb5) 13.Ke1 (13.Kc2 Nc6 14.Na3) 13...g4 (13...Nd7 14.Kf1) 14.Nfd2 f5 15.Nc4 d5 16.Ne3 Qc8 17.Ng4 Nc6 (better is 17...fg4!? 18.Qg4 Kf8+=) 18.Ne3+= h5 19.Ba3 Na5 20.Bb4 Nc6 21.Be7 Nge7 22.Nd2 Na5 23.Rc1 Ba6 24.Qe2 Bd3 25.Qd3 a6 26.Ra1 Qd8 27.c4 Kf8 28.cd5 Nd5 29.Nf5 ef5+= 30.Qf5 Kg7 31.g4 h4 32.e6 Rf8-/+ 33.Qe5 Kg8 34.f5 Nc6 35.Qe4 Rc8 36.Rc1 Nf6 37.Qf4 Qd4 38.Qg5 Kh8 39.Qh6? Nh7-+ 40.Nf3 Qe4 41.Kf2 Ne5 42.Nh4?? Rc2 43.Rc2-/+ Qc2 44.Kg3 Qd3 45.Kg2 Rc8 46.e7? Qe4 47.Kh3 Rc3 48.Rg3 Qg4 49.Kg2 Qe2 50.Kh3?? Qf1 (50...Qf1 51.Ng2 Rg3 52.Kh4 Rg4 53.Kh5 Qf5 54.Qg5 Qg5) 0–1. Mereu,M (1960) – Bebel,A (2275), XIX EYCC Boys U18, Fermo ITA, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7)

    7.f4 Nf6 A) 8.e5 Nd5 9.Nf3 (9.Be2 0-0 10.Nf3 f6 11.c4 Bb4 12.Kf2 Ne7 13.Bd2 Nbc6 14.Bb4; 9.Bd3 0-0 10.Nf3 Nc6 11.0-0 Bb7 12.c4 Ndb4 13.Nc3 Nd3 14.Qd3) 9...0-0 10.c4 Nb4 11.Be2 Ba6 12.0-0 d5 13.ed6 Qd6 14.Nc3; B) 8.Qc2 B1) 8...a5 9.Bd3 (9.Nf3 0-0 10.Bd3 Ba6 11.0-0 Bd3 12.Qd3 Nc6 13.Nbd2 Qc7 14.Ne5) 9...0-0 10.Nf3 Ba6 11.0-0 Bd3 12.Qd3 Nc6 13.c4 Nb4 14.Qe2; B2) 8...Bb7 9.Bd3 (9.e5 Nd5 10.Nf3 Nc6 11.Bc4 Na5 12.Bd5 Bd5 13.Nbd2 b5 14.Ba3) 9...Nc6 10.Nf3 Rc8 11.Qb2 Qc7 12.Na3 a6 13.e5 Nd5 14.0-0; B3) 8...Nc6 9.Nf3 (9.Bd3 0-0 10.Nf3 Bb7 11.0-0 Rc8 12.Qb2 Qc7 13.Na3 a6 14.e5; 9.Bb5 Bb7 10.Nf3 a6 11.Bd3 Rc8 12.Qb2 b5 13.Nbd2 0-0 14.0-0) 9...Bb7 10.Bd3 Rc8 11.Qb2 Qc7 12.Na3 a6 13.e5 Nd5 14.0-0; B4) 8...h5 9.Bd3 (9.Nf3 a5 10.Bd3 Ba6 11.0-0 0-0 12.Na3 Nc6 13.Ba6 Ra6 14.Ng5; 9.e5 Nd5 10.Na3 Nc6 11.Nb5 Bb7 12.Nf3 a6 13.Nd6 Bd6 14.ed6) 9...Nc6 10.Nf3 Bb7 11.0-0 Qc7 12.Na3 a6 13.Nc4 b5 14.Ne3; B5) 8...0-0 9.Bd3 (9.Nf3 a5 10.Bd3 Ba6 11.0-0 Nc6 12.Ba6 Ra6 13.Qe2 Ra8 14.e5; 9.e5 Nd5 10.Bd3 Nc6 11.Nf3 g6 12.0-0 Bb7 13.Na3 a6 14.Bd2) 9...a5 10.Nf3 Ba6 11.0-0 Bd3 12.Qd3 Nc6 13.c4 Nb4 14.Qe2; C) 8.Bd3 C1) 8...d5 9.Nd2 g6 10.e5 Nh5 11.Ne2 Nc6 12.0-0 0-0 13.Ba3 Ba3 14.Ra3; C2) 8...0-0 9.e5 (9.Nf3 Bb7 10.Qc2 Nc6 11.0-0 Rc8 12.Qb2 Qc7 13.Na3 a6 14.e5; 9.Nd2 Nc6 10.Ngf3 d5 11.0-0 g6 12.Bb2 Bb7 13.Qe2 Qc7 14.Ne5; 9.Ne2 Bb7 10.Nd2 Qc7 11.0-0 Nc6 12.e5 Nd5 13.Ne4 Na5 14.f5) 9...Nd5 10.Nf3 Nc6 11.0-0 Bb7 12.c4 Ndb4 13.Nc3 Nd3 14.Qd3; C3) 8...Qc7 9.Nf3 (9.Ne2 0-0 10.0-0 Bb7 11.Qc2 g6 12.Na3 a6 13.f5 ef5 14.ef5; 9.Qc2 0-0 10.Ne2 Nc6 11.0-0 Bb7 12.e5 Ng4 13.Bh7 Kh8 14.Rf3; 9.e5 Nd5 10.Ne2 0-0 11.0-0 Bb7 12.Ng3 f5 13.c4 Nb4 14.Nc3) 9...d5 10.ed5 ed5 11.0-0 0-0 12.Ne5 Nc6 13.Na3 a6 14.Bb2; C4) 8...Nc6 9.Nf3 (9.e5 Nd5 10.Nf3 0-0 11.0-0 Bb7 12.c4 Ndb4 13.Nc3 Nd3 14.Qd3; 9.Ne2 0-0 10.0-0 h6 11.Nd2 Rb8 12.e5 Nd5 13.Rf3 b5 14.c4; 9.Nd2 Qc7 10.Ne2 0-0 11.0-0 Bb7 12.e5 Nd5 13.Ne4 Na5 14.f5; 9.Qf3 0-0 10.Ne2 Bb7 11.0-0 a5 12.Nd2 h6 13.Ba3 Qc7 14.Rfb1; 9.Nh3 0-0 10.Nd2 a5 11.Qe2 Bb7 12.0-0 h6 13.e5 Nd5 14.Ne4) 9...Bb7 10.0-0 0-0 11.Nbd2 Qc7 12.Qe2 h6 13.g3 a6 14.Bb2; C5) 8...Bb7 9.Qf3 (9.Nd2 0-0 10.Ne2 Nc6 11.0-0 Qc7 12.e5 Nd5 13.Ne4 Na5 14.Qa4; 9.Qc2 Nc6 10.Nf3 Rc8 11.Qb2 Qc7 12.Na3 a6 13.e5 Nd5 14.Bd2) 9...Nc6 10.Ne2 0-0 11.Nd2 a5 12.0-0 g6 13.Ba3 d5 14.Be7.

    7.Bf4 Bb7 8.Qg4? (better is 8.Nd2+=) 8...Nf6-+ 9.Qg7 Rg8 10.Qh6 Be4 11.f3 Bb7 (11...Bf5!? 12.Ne2-+) 12.Bg3 Rg6 13.Qd2 Nh5 14.Bd3 f5 15.Ne2 Bh4 16.Na3 Bg5 (worse is 16...Bg3 A) worse is 17.Ng3 Qh4 (worse is 17...Ng3 18.hg3 Rg3 19.Rh7+/-) 18.0-0-0 Nf4+=; B) 17.hg3 Qg5 18.Nb5+/-; worse is 16...Rg3 17.hg3 Ng3 18.Ng3 Bg3 19.Ke2+/-) 17.Qc2 a6 (better is 17...d5!?+=) 18.Nc4+= Be7 19.Qb2 b5 (worse is 19...Ng3 20.hg3 b5 21.Rh7+/-) 20.Na5 Bd5 (worse is 20...Ng3 21.Nb7 Qc7 22.hg3 (worse is 22.Ng3 Qb7 23.0-0 Nc6+=) 22...Qb7 23.Rh7+/-) 21.c4 bc4 (worse is 21...Ng3 22.hg3 bc4 23.Bc4 Bc4 24.Nc4+=) 22.Nc4 Nc6 23.0-0 Nb4 24.Qd2 Ng3 25.hg3 Nd3 26.Qd3 Bc4 27.Qc4 a5 28.Rfc1 Bd6 29.f4 Qb6 30.Rcb1 Qc7 31.Qd3 Ke7 32.Nc3 Rag8 33.Nb5? (33.Ne2!?-/+) 33...Qb6 34.Nd6 Qd6 35.Qa3 (35.Ra5?? Rg3 36.Qg3 Rg3-+) 35...Rg3 36.Rb2 0–1. Usov,Alexander – Shelk,Alexander, Irkutsk RUS, City Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6)

    7.Bd3 Bb7

    8.Ne2 Qc8 9.Na3 d6 10.0-0 Nf6 11.f3 0-0 12.Bf4 Nc6 13.Nc4 Rd8 14.Ng3 Nb8 15.Qb3 Ne8 16.Be3 Ba6 17.f4 d5-/+ 18.ed5 ed5 19.Ne5 Bd3 20.Nd3 Nc6 21.Ne5 Na5 22.Qc2 Nc4 23.Rae1 Ned6-+ 24.f5 Bh4 25.f6 Bf6 26.Nc4 Qc4 27.Nh5 Ne4 28.Nf6-/+ gf6 29.Rf3 Kh8 30.Bf2 Rd6 31.Bh4 Qc6 32.c4 Rg8 33.Qd3 Rg4-+ 34.Rh3 dc4 35.Qf3 Rg6?? 36.Re4+= c3 37.Re1 c2 38.Rc1 a5 39.Qc6 Rc6 40.d5 Rc4+/- 41.Bf2 b5 42.d6 b4?? 43.d7+- Rg8 44.Bb6 a4 45.Rg3 Rb8 46.d8Q (46.d8Q Rd8 47.Bd8+-) 1–0. Haub,Thorsten Michael (2315) – Gorjatschkin,Wjatscheslaw (2495), Wiesbaden op, 1991. (same as the game below; which is correct?)

    8.Ne2 Qc8 9.Na3 d6 10.0-0 Nf6 11.f3 0-0 12.Bf4 Nc6 13.Nc4 Rd8 14.Ng3 Nb8 15.Qb3 Ne8 16.Be3 Ba6 17.f4 d5 18.ed5 ed5 19.Ne5 Bd3 20.Nd3 Nc6 21.Ne5 Na5 22.Qc2 Nc4 23.Rae1 Ned6 24.f5 Bh4 25.f6 Bf6 26.Nc4 Qc4 27.Nh5 Ne4 28.Nf6-/+ gf6 29.Rf3 Kh8 30.Bf2 Rd6 31.Bh4 Qc6 32.c4 Rg8 33.Qd3 Rg4 34.Rh3 dc4 35.Qf3 Rg6?? 36.Re4+= c3 37.Re1 c2 38.Rc1 a5 39.Qc6 Rc6 40.d5 Rc4 41.Bf2 b5 42.d6 b4? 43.d7+- Rg8 44.Bb6 a4 45.Rg3 Rb8 46.d8Q (46.d8Q Rd8 47.Bd8+-) 1–0. Haub,Thorsten Michael (2315) – Miton,Kamil (2495), Wiesbaden op, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6) (same as the game above; which is correct?)

    8.Ne2 Nf6 9.Ng3 (9.Nd2 Qc7+=) 9...d6 (9...0-0 10.0-0+=) 10.0-0 h5 (10...Qc7 11.Nh5 0-0 12.Nf6 Bf6 13.Qh5+=) 11.Re1 (11.Qf3 h4 12.Ne2 Nbd7+=) 11...h4 12.Nf1 Nbd7 (12...h3 13.g4+=) 13.h3 a6 (13...0-0 14.Bg5=) 14.Nbd2 (14.c4 e5+=) 14…g6 ½–½. Gulbas,C (2170) – Knoppert,E (2380), Belgian Interteam, Antwerp BEL, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6)

    8.Ne2 g6 9.0-0= h5 10.c4 Nf6 11.Nd2 d6 12.f4 Nbd7 13.Qe1 Qc7 14.e5 de5 15.fe5 Ng4 16.Ne4 (16.Nf3 a6=) 16...f5 17.Ng5 Qc6 18.Rf3 (better 18.Nf3=) 18...Nde5! 19.de5 Bc5 20.Kh1 0-0-0?? (20...Qd7 21.Bc2 Bf3 (worse 21...Ne5 22.Ba4 Bc6 23.Bc6 Qc6 24.Qc3+-) 22.gf3 0-0= (22...Ne5? 23.Bb2 Nf3 24.Nf3+-)) 21.Nf4+- a5? (21...Ne5 A) 22.Ra7 Nd3 23.Rd3 Rd3 24.Rb7 A1) worse 24...Kb7 25.Nd3 Bd4 26.Qe2+= (26.Ne6?! Re8 27.Qh4 Qe4 28.Qe4 fe4=+); A2) 24...Rd4-+; B) 22.Be2 Nf3 23.Bf3+-) 22.Bc2 (22.Ra2!? Rd7+-) 22...Bd4 (better 22...Bb4 23.Qe2 Qc5 24.Nfe6 Bf3 25.Nf3 Qf2 26.Qf2 Nf2 27.Kg1 Rde8+-) 23.Ba4?? (better 23.Ng6 Qc4 24.Bb3 (24.Nh8?? Bf3 25.gf3 Qc2-+) 24...Qb3 25.Rb3 Nf2 26.Qf2 Bf2 27.Ba3+-) 23...Qc4= 24.Bb3 Qc6?? (better 24...Qb3! 25.Rb3 Nf2 26.Qf2 Bf2+-) 25.Ra2+- (worse 25.Be6 Kb8 26.Ra2 Qc7+-) 25...Ne5 26.Rc2 (26.Be6?! Kb8 27.Rb3 Rhe8+-) 26...Bc5 27.Be6 Nd7 (27...Kb8 28.Qe5 Qd6 29.Qd6 Rd6 30.Rf1+-) 28.Bd5 (better 28.Ng6!? Rhe8+-) 28...Qa4 29.Bb7 (29.Ra2 Qb5 30.Bb7 Kb7+-) 29...Kb7 30.Qe2 Rhe8 31.Nge6 Rc8 32.Rf1 (32.Rc4 Qc6 33.Re3 Be3 34.Rc6 Rc6 35.Qe3 Kc8+-) 32...Bd6 33.Rc8 Rc8 34.Qd3 (better 34.Be3+-) 34...Be5?? (34...Qc4!? 35.Qf3 Qc6+-) 35.Rd1 (better 35.Ng6 Bf6 36.Qf5+-) 35...Bf4 36.Bf4 Nc5 1–0. Gurkin,Anton (2155) – Shakenov,Yerzhan (2285), CH of Kazakhstan, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6 7.Bd3 Bb7)

    8.Nf3 Qc7 9.0-0 d6 10.Re1 Nd7 11.Nfd2 Bg5 (11...Ngf6 12.Qf3+=) 12.Nb3 (12.Qg4!? Bf6 13.Ba3+=) 12...Bc1+= 13.Qc1 Ngf6 14.f4 0-0 15.Qe3 Qc6 16.N3d2 e5 17.Rc1 (17.Rf1 a5-/+) 17...Rac8 (17...ed4 18.Qh3-+) 18.Na3 (18.Ra7 ed4 19.Qd4 Nc5+=) 18...a6 (18...ed4 19.Qd4 a6 20.Nac4-/+) 19.Rab1 (19.fe5 de5 20.d5 Qc5-/+) 19...b5 20.Nc2 (20.Nb3!?-/+) 20...Qc3-+ 21.Rb3 Qc6 22.Re1 Rfe8 23.Nb4 ed4 24.Qd4 (24.Qf2 Qb6-+) 24...Qb6 (24...Qc5!? 25.Qe3-+) 25.Qb6 Nb6 26.e5 de5 27.fe5 Ng4 (27...Nfd7 28.Bf5 Re5 29.Re5 Rc1 30.Kf2 Ne5 31.Re3-+) 28.Bf5 (28.Be4 Re5 29.Nd3 Re7-+) 28...Rcd8 (better is 28...Re5!? 29.Re5 Rc1 30.Nf1 Ne5 31.Nd3 Nd3 32.Rd3-+) 29.Bg4 Rd2 30.Rg3 f6 31.e6 Re7 32.Ra1 Na4 33.Rc1 Rd6 34.Re3 a5 35.Nd5?? Rd5 36.Bf3 Rc5 37.Rd1 Bd5! 38.Bd5 Nc3 39.Rc3 Rc3 40.Bb7 g6 41.Rd8 Kg7 42.Bc8 Rc8! 43.Rc8 Re6 0–1. Ribeiro,Romain – Barbaroux,Yannick, FRA–chT U18, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6)

    8.Nf3 d5 9.e5 Nd7 +=.

    8.Nf3 d6 9.0-0 Nf6 10.Re1 0-0 11.Ng5 h6 12.Nh3 Nbd7 13.f4 Qc7 14.Ra2 d5 15.e5 Ne4 16.Rc2 f5 17.c4 Qd8 18.Nf2 Nf2 19.Rf2 Rc8 20.Qa4 a6 21.Be3 Nb8 22.Rc2 (22.Qb3 dc4 23.Bc4 Bd5 24.Bd5 Qd5 25.Qb6 Rc6+=) 22...Kh8 (22...Qd7 23.Qb3 dc4 24.Bc4 Bd5 25.Bd5 Qd5-/+ (worse is 25...ed5 26.Nc3 Kh7 27.Rcc1+=)) 23.Nd2? (23.c5 bc5 24.dc5 d4-/+) 23...Nc6?? (better is 23...dc4 24.Be2 b5-+) 24.cd5 b5 25.Qb3 ed5 26.Qb1 Na5 27.Ra2 g6 28.g4 Bh4 29.Rf1?? Nc4-+ 30.Bf2 fg4 31.Bg6 Nd2 32.Rd2 Rc3 33.Qb4 Bf2 34.Rdf2 Rc4 35.Qd2 Bc8 36.f5+= Qg5 37.Qg5 hg5 38.e6 Rf6 39.e7 Bd7 40.Re2 Rd4 41.e8Q Be8 42.Re8 Kg7 43.Rfe1 Re4 44.R1e4+- de4 45.Re7 Kf8 46.Re4 Rb6 47.Bh5 b4 48.f6 Rf6 49.Rb4 Ke7 50.Rb7 Ke6 1–0. Lokvenc,Josef – Nogues Acuna,Alejandro, London ol (Men), 1927. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 b6)

    6.d4 d5

    7.Nd2 de4 8.Ne4 Qd5 9.Qc2 Nc6 10.Nf3 e5 11.Ne5 Ne5 12.de5 Qe5 13.Be3 Nf6 14.Bd3 Ne4 15.Be4 f5 16.Bf3 Bg5 Black plans f4 17.0-0 Be3 18.Rae1 f4 19.fe3 0-0 (19...fe3? 20.Qd3 0-0 21.Re3+-) 20.ef4 Qc5 21.Rf2 Kh8 22.Re5 Qc7 23.Qd3 a5 24.g3 a4 25.Qd4 Qd8 26.Qb4 Bh3 27.Qb7 Rb8 28.Qe4 Qd7 29.Ra2 Rb3 30.Ra4 Rc3 31.Kf2 Rf3 32.Kf3 Qd1 33.Ke3 Qc1 34.Ke2 Qb2 ½–½. KALLISTO – ALMOND, ICT10, Leiden NED, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.Bd3 Nf6 8.e5= Nfd7 9.Ne2 Nc6 10.0-0 0-0 11.f4 f6 12.f5 fe5-/+ 13.fe6 Rf1 14.Qf1 Nf8 ½–½. Lange,Corinna – Umpfenbach,Carolina, GER–ch U15 Girls, 1997.

    7.ed5 ed5 8.Nf3 Nf6 9.Bd3 0-0 10.0-0 Nc6 11.Nbd2 Qc7 12.Re1 Bg4 13.Nf1 Bd6 14.h3 Bh5 15.Ne3 Bg6 (15...Bf4 16.Nf5-/+) 16.Nf5 (16.Bg6 fg6 17.Qb3 Kh8+=) 16...Bf5-/+ 17.Bf5 Ne7 18.Qc2 Nf5 19.Qf5 Qc3 (19...Qc8 20.Qc2-/+) 20.Bg5 (20.Bh6! gh6 21.Rac1=) 20...Qc8-/+ 21.Qd3 Ne4-+ 0–1. Bericat,Angel Hugo – Bonatti,Walter Fabian, Copa ARG corr, 1992. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 a5 8.Bb5 Nd7 9.Qg4 Bf8 10.Ne2 b6 11.0-0 Ba6 12.Ba6 Ra6 13.Na3 h5 14.Qf3 Ba3 15.Ba3 Qh4 16.Rfc1 Qe4 17.Qg3 Qg4 (17...Qe2? 18.Qg7 Ne7 19.Qh8 Nf8 20.Be7 Ke7 21.c4 dc4 22.d5+-) 18.Qd3 Ra8 19.c4 Qe4 20.Qd2 (20.Qg3!? dc4 21.Rc4=) 20...dc4+= 21.Rc4 Qg6 22.Rac1 Ne7 23.Qb2 Qd3 24.Rc7 Rd8 25.Be7 Ke7 26.Qb6 Qa3 27.d5! (27.d5 ed5 28.Qb5+/-) 1–0. Noire,Eric (2170) – Andersen,Henrik N (1840), IECG, 2001. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 Qc7 8.Bd3 h5 9.Ne2 (9.Nf3 a5=) 9...Nh6 (9...Nc6 10.0-0=) 10.0-0 (10.Ba3 Nc6=) 10...Bd7 (10...Nc6 11.Na3=) 11.Na3 (11.Ba3 Ba3 12.Na3 h4=) 11...Nf5 (11...a6 12.Bf4=) 12.Bf5 (12.Qb3 Bc6=) 12...ef5 13.Qb3 a6 (13...Qc6 14.Nf4 Be6 15.Nb5=) 14.Qd5 (14.Nf4 Be6 15.Nd5 Bd5 16.Qd5 Nd7+-) 14...Qc6 (14...Be6 15.Qf3 Qc6 16.Qg3+=) 15.Qc6 (15.Qb3 Ba3 16.Qa3 Be6+-) 15...Bc6 (15...Nc6!? 16.c4 Rd8=) 16.c4+= b6 (16...Be4 17.Rd1+=) 17.d5+- Bb7 18.Be3 (18.Nd4 g6+-) 18...Nd7 19.f4 Rc8 20.Rfc1 (20.Nd4 g6 21.Ndc2 f6+-) 20...Nc5 (20...h4 21.Nd4 Rh5 22.Ndc2+-) 21.Rcb1+- Na4 22.d6 (22.Nd4 g6 23.Ndc2 Kd7+-) 22...Bd8+= 23.Rb4 Nc5 24.Bc5 Rc5 25.Nc3 (25.Nd4 Kd7+=) 25...g5 (25...Bc6 26.Na4 a5 27.Rb5 (worse 27.Nc5 ab4 28.Nb3 ba3-/+) 27...Bb5 28.Nc5+=) 26.Na4+- Ra5 27.Nb6 gf4 28.Nd5 Bd5 29.cd5 Rd5 (29...Rg8 30.Rf4 Rg4 31.Rf5+-) 30.Nc4 a5 31.Rb8 (31.Rb7 Rg8 32.Kf2 Rg4+-) 31...Kd7+= 32.Rab1 (better 32.Kf1!?+=) 32...Rc5=+ 33.Nd2 (33.Rc1 Ke6 34.Rb3 Bg5=+) 33...Re5 34.R1b7 (34.Nf3 Re4 (worse 34...Kd6 35.Ne5 Ke5 36.R1b5 Ke4 37.Ra5+-) 35.Ng5 Rf8 (worse 35...Bg5 36.Rh8 Kd6 37.Rh5+=) 36.R1b7 Kc6 37.Ne4 fe4-/+) 34...Ke6 (34...Kc6 35.Kf1 Rhe8 36.Rb1-/+) 35.Nf3 Rc5 (35...Rd5!? 36.Ng5 Kf6 (36...Bg5?! 37.Rh8 f3 38.gf3=) 37.Nf7 Bb6 38.Rb6 Rb8 39.Rb8 Kf7=+) 36.Ng5= Bg5 37.Rh8 Kd6 38.Rh5 Rc1 39.Kf2 Rc2 40.Kf1 Rc1 41.Ke2 Rc2 42.Kd3 Rg2 43.h4 (43.Rf7 Ke5 44.Rh8 Ke6+=) 43...Be7 (43...Rg3 44.Kc2 Be7 45.Rf5 Rg2 46.Kd3 Bh4 47.Rbf7 Rg3 48.Ke4 Re3 49.Kf4=) 44.Rb6 (44.Rf5 Bh4 45.Rf4 Bg5 46.Rff7 a4+=) 44...Kc5= 45.Ra6 Rg3 46.Kc2 Kc4 (46...Rg4 47.Ra5 Kc4 48.Rhf5=) 47.Rf5 (47.Ra5 Rh3=) 47...Rg2 48.Kd1 (48.Kc1 Bh4 49.Raa5 Bg3=) 48...Kd3=+ 49.Rd5 Ke4 50.Rd7 (50.Rda5 Bh4 51.Rb5 Bf2=+) 50...Bh4 (50...Bb4 51.h5=+) 51.Ra5 f6 52.Rd2? (52.Ra4!? Kf3 53.Rd3 Kg4 54.Rdd4=+) 52...f3 (52...Rd2!? 53.Kd2 Bf2-+) 53.Ra4-/+ Ke3 54.Ra3 Ke4 55.Ra4 Ke3 (55...Kf5 56.Rd3 Rg1 57.Kc2-/+) 56.Ra3 Ke4 (better 56...Kf4!? 57.Rd4 Kg3-/+) 57.Ra4= ½–½. Gervasio,Ricardo (2290) – Trommsdorf,Fro (2075), Paris FRA, Ch Open–A, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 f6 8.Bd3= Nc6 9.Nf3 (9.Qh5 Kd7=) 9...fe5+= 10.de5 Qc7 11.Qe2 a6 12.0-0 b5 (better is 12...Bd7!?+=) 13.Bb5+= Bb7 (13...Bc5+=) 14.Ba6 (14.Ba4 Kf7+/-) 14...Ba6 (14...Kf7!? 15.Be3 Nb8 16.Bb7 Ra1+=) 15.Ra6+/- Ra6 16.Qa6 Ne5 17.Ne5 (17.Nd4!? Qd6 18.Qb5 Kf7 19.Re1+/-) 17...Qe5= 18.Qc6 (18.Ba3 Kf7+=) 18...Kf7 19.f4 Qf5 (19...Qd6 20.Qd6 Bd6 21.Ba3+=) 20.Be3 Nf6 21.Nd2 Ng4 22.Bd4 Rf8 23.h3 Nf6 24.g4 Qc2 (24...Ng4!? 25.hg4 Qg4 26.Kf2 Kg8+/-) 25.Nf3+- Ne4?? (better is 25...Ba3+-) 26.Ne5 Kg8 (26...Kf6 27.Qd7 Qc3 28.Bc3 Bc5 29.Kg2 Nc3 30.g5 Kf5 31.Qg7 Ke4+-) 27.Qe6 Kh8 28.Qe7 Kg8 29.Ng6! Rf7 30.Qe8 Rf8 31.Qf8 1–0. Ivan,Vlad_Daniel – Sipos,Sony Laurentiu, Calimanesti ROM, Ch U10 (b), 2014. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 f6 8.Bd3 g6 9.f4 (9.Nf3 Nd7+=) 9...fe5 (better 9...Nc6=+) 10.fe5+- Kf8? (better 10...Bg5 11.Nf3 Bc1 12.Qc1 Ne7+-) 11.Nh3+- Kg7 12.0-0 Qe8 13.Ra2 (better 13.Na3!? Nh6 14.Nb5+-) 13...Nh6 14.Raf2 Rf8 15.Qd2 Nf7 16.Ba3 Nd7 17.Nf4 Ba3 (17...Nd8+-) 18.Na3 a6 19.Qe3 (better 19.c4 Nb6 20.c5+-) 19...Nd8?? (19...Qe7 20.c4 Nd8 21.cd5 ed5+-) 20.Nh5 gh5 (20...Kg8 21.Qh6 Qe7 22.Rf8 Nf8 23.Nf6 Kh8 24.Nh7 Nf7 25.Rf7 Qf7 26.Nf6 Nh7 27.Bg6 Qe7 28.Bh7 Qg7 29.Qh4 Qg5 30.Qg5 Bd7 31.Qh6 Rf8 32.Qf8) 21.Qg5 Kh8 22.Qh6 Rf5 23.Bf5 ef5 24.Rf5 Ne6 25.Rf7 Qg8 26.Qe6 b5 27.Qh6 b4 (27...Rb8 28.e6 a5 29.ed7 Bb7 30.Qf6 Qg7 31.Qg7) 28.e6 Qg6 (28...Bb7 29.ed7 Qg2 30.Kg2 Rg8 31.Kh3 Rg3 32.hg3 ba3 33.d8Q) 29.Rf8! Nf8 (29...Nf8 30.Rf8) 30.Rf8 Qg8 31.Qf6 1–0. Soukup,Jiri (2300) – Ralis,Peter (2260), CZE–ChT2B, 2011. (=1.e4 c5 2.a3 e6 3.b4 d5 4.e5 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 f6)

    7.e5 f6 8.f4 Nh6 9.Nf3 Nc6 10.Bd3 0-0 11.0-0 fe5 12.fe5 Nf5 13.Ra2 (13.Qc2 h6=+) 13...Bd7 14.Raf2 a6 15.g4 (15.Qd2 b5=) 15...Nh4 16.Bh7 Kh7 17.Qd3? (17.Ng5 Bg5 18.Rf8 Qf8 19.Bg5= (19.Rf8? Rf8 20.Bg5 Nf3 21.Kg2 Ng5-+)) 17...Kg8-/+ 18.Ng5 Bg5 (better 18...Nf5! 19.Ne6 Be6 20.gf5 Bh4=+) 19.Rf8= Qf8 20.Rf8? (better 20.Bg5 Nf5 21.gf5 ef5 22.Nd2=+) 20...Rf8-+ 21.Bg5 Nf3 22.Kh1 Ng5 23.Nd2 Ne7 24.Kg1 Bc6 25.Qe3 Ne4 26.Nf3 (26.h4 b5-+) 26...Ng6 27.h4 (27.Ng5 Rf4 28.Ne4 de4 29.c4-+) 27...Rf4 28.Nh2 Rf2 29.Nf3 Rc2 30.Ng5 Rc3 31.Qe1 Nf4 32.Kh1 Rd3 33.Qa5 (33.Ne4 Rh3 34.Kg1 de4-+) 33...Rd1 34.Kh2 Rd2 35.Kg1 (35.Qd2 Nd2 36.Kg3 Ne2 37.Kf2 Nd4 38.Ke3-+) 35...Rg2 36.Kf1 Bb5 (36...Bb5 37.Qb5 Ng3 38.Ke1 ab5 39.Kd1 Nd3 40.Nh3 Ne4 41.Nf2 Rf2 42.h5 Nc3; 36...Rf2 37.Ke1 Nd3 38.Kd1 Ba4 39.Qa4 Nc3) 0–1. Zala,Gyula (2040) – Schenkerik,Csaba (2125), First Saturday Tournament Budapest FM, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 h5 8.Bd3= g6 (8...Qc7 9.Nf3=) 9.Nh3 Nh6 (9...Nc6 10.0-0=) 10.Nf4 Nf5 11.g3 (11.Bf5!? gf5 12.Nh5=) 11...Nc6+= 12.Qf3 Bg5 (12...Ng7 13.h3+=) 13.0-0 (13.h4 Bf4 14.Bf4 f6=) 13...0-0 (13...Bf4 14.Bf4 g5 15.Be3+=) 14.Bf5 (14.Ba3 Re8+=) 14...Bf4= 15.Qf4 ef5 16.Qh6 f4 17.Bf4 Ne7 18.Bg5 Nf5 19.Bd8 Nh6 20.Bg5 Nf5 21.Na3 (21.f3 Be6=) 21...Bd7 22.Rfb1 Bc6 (22...b6 23.h3=) 23.Nc2 (23.h3 Rfc8+=) 23...a5= 24.Rb6 Rfc8 25.Ra3 (25.h3 a4=) 25...Ng7+= 26.Ne3 Ne6 27.Bf6 (27.f4 a4+=) 27...Nc7 28.f4 Nb5 (better is 28...a4!?=) 29.Rb5!+/- Bb5 30.Nd5 Kf8 (30...Rc4 31.Nb6 Ra7 32.d5+/-) 31.Nb6 a4 32.d5 Ke8 (32...Rcb8 33.Na8 Ra8 34.d6+/-) 33.d6 (33.Kf2 Rcb8 34.Na8 Ra8+/-) 33...Bd7 34.Be7 Ra6? (better is 34...Ra5 35.Nc8 Bc8+/-) 35.Nd5+- (35.Nc8?! Bc8 36.Kf2 Be6+/-) 35...b5 (35...f5 36.Nf6 Kf7 37.Nd7 b5+-) 36.Nf6 1–0. Haub,Thorsten Michael – Stratmann,Burkhard, NRW–Liga I, 1990. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 Nh6 8.Qh5 Nf5-/+ 9.Nf3 Nc6 (9...g6!? 10.Qh3 h5-/+) 10.g4= g6 11.Qh3 Nh4 12.Nh4 Bh4 13.Bd3 (13.Bh6 Bg5=) 13...Bg5 (13...h5 14.Na3=+) 14.Nd2=+ Bd7 (14...f6 15.Bg6 Kd7 16.Bc2 fe5 17.de5=+) 15.0-0= Bf4 (15...h5 16.Nf3 Bc1 17.Rfc1=+) 16.Nf3 Bc1 17.Rac1 Qe7 18.c4 (better 18.Rb1!? 0-0-0 19.Rfe1=) 18...Nb4-/+ 19.Be2 (19.Nd2 0-0-/+) 19...dc4 20.Bc4 Bc6 (20...h5 21.Rc3-/+) 21.Nd2 (21.Rc3!?-/+) 21...h5-+ 22.Be2 (better 22.Nf3-+) 22...Rg8 (better 22...0-0-0-+) 23.Nc4=+ hg4 24.Bg4 f5?? (better 24...0-0-0 25.Nd6 Rd6 26.ed6 Qd6=+) 25.ef6+- Qf6 26.Rfe1 Kd8?? (26...Kf8 27.Re6 Qf4+- (27...Qd4 28.Ne5 Qf4 29.Rc4 Qe5 30.Re5 Nd5 31.Be6 Ke7 32.Bd5 Kd8 33.Bc6 bc6 34.Rd4 Kc7 35.Qd7 Kb6 36.Rb4 Ka6 37.Qc6)) 27.Re6 Qg5 (27...Qf4 28.Rd6 Ke8 29.Re1 Kf8+-) 28.Rd6 Kc7 29.Qh7 Bd7 (29...Kb8 30.Qg8 Kc7 31.Qf7 Kb8 32.Rd8 Qd8 33.Qf4 Qc7 34.Qf8 Be8 35.Qe8 Qd8 36.Qd8) 30.Ne3 (30.Rd7 Kc6 31.Rd6 Kb5 32.Qd7 Nc6 33.Qb7 Ka4 34.Ra1) 30...Nc6 31.Rdc6! bc6 (31...bc6 32.Qd7 Mate attack) 32.Qd7 Kb8 33.Rb1 Qb5 34.Rb5 cb5 35.Nd5 (35.Nd5 Re8 36.Qb5) 1–0. Akshay,V Halagannavar (1945) – Mrityunjay,Kumar, 26th ch–IND U25, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 Nh6 8.Bh6 gh6 9.Bd3 Rg8 10.Ne2 Nc6 11.Ng3 Qb6 12.0-0 Qb2 13.Qa4 Bd7 14.Ra2 Qb6 15.Qd1 (worse is 15.Bh7 Rh8 16.Qc2 Rc8-/+) 15...Na5 16.Qh5 Bf8 17.Qh4 Bb5 18.Rb2 (worse is 18.Bh7 Bf1 19.Nf1 Rg7-/+) 18...a6 19.Bh7 Rh8 20.Bd3 Be7 21.Qg4 Qc6 22.Bb5 ab5 23.Qg7 Rf8 24.Qh6 Nc4 25.Rc2 f6 26.ef6 Rf6 27.Qh8 Rf8 28.Qh5 Kd7 29.Re1 Rh8 30.Qd1 Rh6 31.Nd2 Rah8 32.h3 Bd6 33.Nc4 bc4 34.Qg4 Qc8 35.Rb2 Kc6 36.Reb1 Qc7 37.Ne4! (37.Ne4 Be7 38.Nc5 (38.Rb7?! Qb7 39.Rb7 Kb7+-) 38...Bc5 39.dc5+-) 1–0. Noire,Eric (2150) – Rego,Sandro (1955), IECG, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    7.e5 Nc6

    8.Bd3 a5 9.Na3 a4 10.Qg4 Bf8 11.Nf3 Qa5 12.Bd2 Nh6 13.Qh5 Nf5=.

    8.Bd3 a5 9.Nf3 b6 10.Na3 Ba3 11.Ba3 Ba6 12.0-0 Qc8 13.Rb1 Bd3+=.

    8.Bd3 a5 9.Qg4 g6 (9...Bf8 10.Nf3 b6 11.Na3 Ba6 12.Nb5 Qd7 13.Nd6 Kd8+=) 10.Nf3 b6 11.Na3 Ba6 12.Nb5 Qd7 13.0-0 a4+=.

    8.Bd3 a5 9.Nh3 b6 10.Na3 Ba6 11.Nb5 Bb5 (11...Qd7 12.Qa4=+) 12.Bb5= Qc7 13.0-0 Bf8 14.Qf3 h6 (14...Rc8 15.Ra4=) 15.Nf4 (15.c4 Qd7+=) 15...Nge7= 16.Nh5 (16.Ra4 Qd7+=) 16...Ng6 (16...Nf5 17.Ng3 Nh4 18.Qg4=) 17.Be3 (17.c4 Qd7+=) 17...Nh4= 18.Qd1 0-0-0 (better 18...Kd8!?=) 19.Qa4+- Kb7 (19...Kd7 20.c4 Nf5 21.cd5 ed5 22.Rfc1+-) 20.Rfb1 Na7 (20...Be7 21.Ng3+- (21.Ng7?! Rdg8=)) 21.Be2 (21.Bd3 Ka8+-) 21...Ka8 (21...Nc6 22.Rb5+-) 22.Rb3 (22.Ng3 Be7+-) 22...Nf5 23.Bd2 Rb8 (23...Qc6 24.Qa2+-) 24.g4 (24.Rb2 g6 25.Nf6 Be7+-) 24...Ne7 25.Bf3 (25.Rab1 g6 26.Nf6 Nec6+-) 25...Nec6+= 26.Be2 Rg8 (26...Ne7 27.Rab1 g6+-) 27.Rab1 Be7 28.Ng3 (28.Be3 f6 29.f4 f5+-) 28...Rgf8 29.Bd3 (29.Be3 f6 30.ef6 Bf6+=) 29...Rg8 (29...f6 30.ef6 Rf6 31.Be3+=) 30.Ne2 Rh8 (30...f6 31.f4 Qd7+=) 31.Ng3 (31.Be3 Qd7 32.Ra1 Qb7+-) 31...Rhg8 32.Nf1 (32.Be3 f6 33.f4 g5+=) 32...Rh8 33.Ne3 h5 34.g5 Bg5 35.Nd5 ed5 36.Bg5 f6 37.Be3 h4 (37...fe5 38.de5 Ne5 39.Bb6 Rb6 40.Rb6 Nd3 41.Qa5-/+) 38.c4 (38.e6 Qd6+=) 38...Nb4 (38...fe5 39.cd5 ed4 A) 40.dc6?! de3 41.fe3 Rhe8= (41...Qc6?? 42.Be4 Rh6 43.Rb6 Rg6 44.Kh1 Rb6 45.Rb6+-; 41...Nc6? 42.Rc3 Rh6 43.Be4+-); B) 40.Bd4?! b5 41.Qa1 Nd4 42.Qd4 Rhd8=; C) 40.Bd2+-) 39.Rb4 (39.cd5 Nd3 40.Rd3+=) 39...ab4+- 40.Rb4 (40.cd5 fe5 41.d6 Qd6 42.Be4 Rb7+-) 40...fe5 (better 40...Qf7+=) 41.cd5 (41.de5 Qe5 42.cd5+= (42.Bb6?? Qg5 43.Kf1 Qc1 44.Ke2 Rbe8 45.Be3 d4-+; 42.Rb6? Rb6 43.Bb6 Qg5 44.Kf1 Qc1 45.Ke2 Qb2 46.Kf1 Qb6-+)) 41...Qc3=+ 42.Rb3? (better 42.Bf1 e4 43.d6=) 42...Qe1-+ 43.Bf1 Rh6! 44.Bh6 (44.Qc4 Rg6 45.Kh1 e4-+) 44...gh6 45.Qc4 (45.de5 Rg8 46.Rg3 hg3 47.hg3 Qe5 48.d6-+) 45...Rg8 46.Kh1 (46.Rg3 hg3 47.hg3-+) 46…Qf2 (46...Qf2 47.Rg3 hg3-+; 46...Qe4 47.f3 Qg6 48.Qc6 Nc6 49.Ra3 Kb8 50.Ra8 Ka8 51.dc6 Qg1) 0–1. Zala,Gyula (2065) – Somogyi,Gabor (1940), First Saturday Augusztus FM–B, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.Bd3 a5 9.Nh3 b6 10.Qg4 Bf8 11.Na3 Ba6 12.Nb5 Qd7 13.Nd6 Kd8+=.

    8.Bd3 f6 9.Nf3 fe5+= 10.de5 Qc7 11.Qe2 a6 12.0-0 b5 (better is 12...Bd7!?+=) 13.Bb5+= Bb7 (13...Bc5+=) 14.Ba6 (14.Ba4 Kf7+/-) 14...Ba6 (14...Kf7!? 15.Be3 Nb8 16.Bb7 Ra1+=) 15.Ra6+/- Ra6 16.Qa6 Ne5 17.Ne5 (17.Nd4!? Qd6 18.Qb5 Kf7 19.Re1+/-) 17...Qe5= 18.Qc6 (18.Ba3 Kf7+=) 18...Kf7 19.f4 Qf5 (19...Qd6 20.Qd6 Bd6 21.Ba3+=) 20.Be3 Nf6 21.Nd2 Ng4 22.Bd4 Rf8 23.h3 Nf6 24.g4 Qc2 (24...Ng4!? 25.hg4 Qg4 26.Kf2 Kg8+/-) 25.Nf3+- Ne4?? (better is 25...Ba3+-) 26.Ne5 Kg8 (26...Kf6 27.Qd7 Qc3 28.Bc3 Bc5 29.Kg2 Nc3 30.g5 Kf5 31.Qg7 Ke4+-) 27.Qe6 Kh8 (27...Rf7 28.Qf7 Kh8 29.Qe8 Bf8 30.Qf8) 28.Qe7 Kg8 (28...Qf2 29.Rf2 Kg8 30.Nd7 Rf7 31.Qe8 Rf8 32.Qf8) 29.Ng6! Rf7 (29...hg6 30.Qg7) 30.Qe8 Rf8 31.Qf8 1–0. Ivan,Vlad_Daniel – Sipos,Sony Laurentiu, Calimanesti ROM, Ch U10 (b), 2014. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 f6 8.Bd3 Nc6)

    8.Bd3 Bf8 9.Nh3 g6 10.0-0 Bg7 11.Qf3 Nge7 12.Ng5 0-0 13.Qh3 h6 14.Nf3 h5 15.g4 (15.Bg5!?=) 15...hg4+= 16.Qg4 Nf5 17.Bg5 f6 18.ef6 Bf6 19.Bf5 ef5 20.Qh4 Rf7 21.Kh1 Qd6 22.Qh6 Bg7 23.Qh4 Bf8 24.Bf4 Qe7 25.Ng5 Qe2 26.Nd2 Be7 (26...Rg7 27.Ndf3 Be7 28.Ne5+=) 27.Ndf3 (27.Rfe1 Bg5 28.Qg5= (28.Re2?? Bh4 29.Nf3 Re7-+; 28.Bg5?! Qh5=)) 27...Qf3-/+ 28.Nf3 Bh4 29.Nh4 Kg7 (29...Rg7!? 30.Rg1 Kf7-/+) 30.Rg1= Rf6 31.c4? (31.Rg3 Bd7=) 31...Kf7?? (better is 31...dc4 32.d5 Ne7-+) 32.cd5+= Ne7 33.d6 (33.Be5 Rb6 34.d6+-) 33...Nc6?? (33...Nd5 34.Be5 Re6+=) 34.d5+- Nd8? (34...Nb4 35.Be5 Nd5 36.Bf6 Nf6 37.Rg6 Be6+=) 35.Be5 g5 (35...Be6 36.Rad1 Bd5 37.Rd5 Re6+-) 36.Bf6 (36.Bf6 Kf6 37.Ng2+=; worse is 36.Rg5 Ne6 37.de6 Be6+-) 1–0. Roubinek,David – Kolomaznikova,Barbora, Brno Duras BVK op–B, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.Bd3 Bg5 9.f4 Bh6 10.Nf3 Nge7 11.0-0 Ng6 (11...0-0 12.Ng5 Ng6 13.Ba3+=) 12.Ng5 (better is 12.Bg6!? hg6 13.g4+/-) 12...Qb6= 13.Kh1 0-0 14.Bd2 (14.Ba3 Rd8+=) 14...Qb2 (14...f6!?-/+) 15.Na3 a6 16.Nb5 Rb8 17.Rb1 Qa2 18.Ra1 Qb2 19.Rb1 Qa2 20.Ra1 Qb2 21.Nd6 White prepares the advance f5 21...Qb6 22.Rb1 Qc7 23.Qc2 b5 24.f5 ef5 25.Nf5 Bf5 26.Bf5 Kh8 27.Rf3 Nh4 (27...Qe7 28.Rg3 Qb7 29.Ra1 Bg5 30.Bg5+=) 28.Rh3= Nf5?? (better is 28...Ng6=) 29.Qf5+- g6 30.Nh7 (30.Qf6 Kg8 31.Rh6+-) 30...gf5= 31.Nf6 Rg8?? (better is 31...f4 32.Bf4 Qc8 33.Bh6 Qh3 34.gh3 Rg8 35.Ng8 Kg8 36.Rg1 Kh8=) 32.Bh6 Rg3 33.Bf8 (33.Rg3 Ne5 34.Bg7) 33...Rh3-+ 34.gh3 (34.Bd6 Qa5 35.gh3-+) 34...Rf8 35.Rg1 Qe7 (35...Ne5 36.Rg3 f4 37.de5 fg3 38.Ng4-+) 36.Rg5 (36.Ra1-+) 36...Rg8 (better is 36...Ne5 37.Rh5 Kg7 38.Rf5 Ng6 39.Nh5 Kh7-+) 37.Rh5 (37.Rg8) 37...Kg7-+ 38.Rh7 (38.Rg5 Kh6 39.Ng8 Kg5 40.Ne7 Ne7 41.Kg2-+) 38...Kf8 39.Ng8 Kg8 40.Rh6 1–0. Bradley,Alan – Bates,Lee (2175), Dos Hermanas Internet qual–C, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 Nc6 5.ab4 Bb4 6.c3 Be7 7.Bd3 d5 8.e5 Bg5)

    8.Bd3 Bg5 9.f4 Bh6 10.Nf3 f5 11.0-0 Nge7 12.Na3 a6 13.Nb5 0-0 14.Nd6 b5 15.Bb5 Qb6 (15...ab5 16.Ra8 Pinning (16.Ra8 Deflection)) 16.Bd3 a5 17.g3 Ba6 18.Ba3 Bd3 19.Qd3 Rfb8 20.Rfb1 Qc7 21.Nd2 a4 22.Rb5 Rb5 23.Qb5 g5 24.fg5 Bg5 25.Nf3 Bh6 26.Bc5 The isolani on a4 becomes a target 26...Qa5 27.Qa5 Ra5 (27...Na5? 28.Ra4 Nec6 29.Nb7+-) 28.Kf2 Kg7 29.Ke2 Kg6 30.Kd3 Bf8 (30...Kh5!?=) 31.Ba3 h5 32.Nb7 Ra8 33.Nc5 Nd8 34.Nd7 Ndc6 35.Nh4 Kg5 36.h3 Kh6 37.Bc1 Kg7 38.Nc5 Kf7 39.Nf3 (39.Na4?! Nc8 40.Bb2 Na5+=) 39...Ng6 (39...Nc8 40.Ng5 Kg8 41.Ra4 Ra4 42.Na4 Bh6+-) 40.Ng5 Kg8 41.Nge6 (41.Nce6?! Be7+-) 41...Bc5 42.Nc5 (42.dc5?! Nge5 43.Kc2 Kf7=) 42...h4 43.gh4 Nh4 44.Ra4 Ra4 45.Na4 Na5 (45...Kf7+-) 46.Nb6 Nb3 47.Be3 1–0. Hogrel,Nicolas (2020) – Delpech,Olivier (1780), Yvelines–ch Fontenay le Fleury, 2003. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.Bd3 Bg5 9.Qg4 Bc1 10.Qg7 Qg5 11.Qh8 Qg2 12.Bh7 Nce7 (worse is 12...Qh1 13.Qg8 Ke7 14.Qg3=) 13.Bg8 Qh1 14.Bh7 Kd7 -/+.

    8.Bd3 g6 9.Ne2 Bd7 10.0-0 f5 11.Na3 a6 12.Nf4 b5 13.Nc2 Qb6 14.Bd2 Kf7 15.Re1 Kg7 16.Qc1 Na5 17.Ra5 Qa5 18.c4 Qd8 19.cd5 ed5 20.Nd5 Bc6 21.Nf4 Qd7 22.Qb2 Nh6? (better is 22...Qb7+=) 23.d5!+- (23.d5 Bd5 24.e6 Bf6 25.Qf6 (25.ed7?! Bb2 26.Nd5 Nf7+-) 25...Kf6 26.ed7+-) 1–0. Miras,Eduardo – Gonzalez Trelles,Vicente, Asturias Preferente op, 1996. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.Bd3 g6 9.Nf3 Bd7 10.h4 h5 11.Ng5 (11.Bg5 Bg5 12.hg5 Nge7=) 11...Nh6+= 12.Qc2 (12.0-0 Nf5 13.Qf3 a5+=) 12...Nf5-/+ 13.g3 Rc8 14.Qd1 Na5 15.Nh3 Qb6 16.Bg5 Bb5 17.Bc2 (17.Bf5 ef5 18.Nf4 Bg5 19.hg5 Qd8+=) 17...Nc4 18.Be7 Ke7 (18...Ne7 19.Na3 Nc6 20.Nb5 Qb5 21.Ra2-/+) 19.Qc1 (19.Bf5 ef5 20.Nf4 Rhd8+=) 19...a6 (19...Nd4 20.cd4 Qd4 21.Ra2 Ne5 22.Qa3 Kf6 23.Nd2-+) 20.Qg5 Kd7 21.Qf6 (21.Bf5 ef5 22.Nf4 Qc6 23.e6 fe6 24.Ng6 Rh7=) 21...Rhf8-/+ 22.Nf4? (22.Ra2 Nd4 23.cd4 Qd4 24.0-0-+) 22...Nd4!-+ 23.cd4 (23.Bd1 Nc6 24.Nd3 Qc7-+) 23...Qd4 24.Ra2 (24.0-0 Ne5 25.Nd5 Bf1 26.Qe7 Kc6 27.Ra4-+) 24...Ne5 (24...Qe5?! 25.Qe5 Ne5 26.Kd1-+) 25.Nd5 Qd5 (25...Qd5 26.f3 Qa2-+) 0–1. Freyberg,Dominic – Hess,Christian Jr, GER–chT U20 Bonn Roettgen, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.Bd3 Nh6 9.Bh6 gh6 10.Nh3 Qb6 11.0-0 Bd7 12.Na3 Na5 13.Rb1 Qc7 14.Nb5 Bb5 15.Bb5 Nc6 16.Qh5 a6 17.Bd3 b5 18.Qh6 0-0-0 (18...Na5 19.Rfc1+=) 19.f4 Na5 (19...Kd7!?+/-) 20.f5+- (20.Bh7 Rdg8 21.f5 Kd8 22.fe6 Rg6+/-) 20...Qd7 (20...Qc6 21.Qg7 Rdf8 22.fe6+/-) 21.Qg7 (21.fe6 Qc6 22.Ra1 Nb3+-) 21...Rdf8 22.fe6 fe6 23.Nf4 (23.Rf8 Rf8 24.Ng5 Re8+-) 23...Rfg8 (better 23...Nb7!?+/-) 24.Qh6+- Nc4 25.Ne6 Nd2?? (25...Qc6+-) 26.Nc5 (26.Nc5 Bc5 27.Qd2+-) 1-0. Shirazi,K (2355) - Donatti,A (2190), Titled Tuesday 7th July, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.e5 d5 7.d4 Nc6)

    8.Ne2 f6 9.f4 Nh6 10.Ng3 fe5 11.fe5 Nf7 12.Bd3 0-0 (better is 12...Bd7!?+=) 13.Qh5+= g6 14.Bg6 hg6 15.Qg6 Kh8 16.Nh5 Rg8 17.Qf7 Rg2 18.Nf4 Bh4 19.Kd1 Qg5? (19...Rg7 20.Qh5 Kg8+-) 20.Nd2 Rg4 (20...Qg4 21.Kc2+-) 21.Nf3 (21.Ne6?! Be6 22.Qe6 Rd4=) 21...Qf5 22.Qf5 ef5 23.Nh4 Ne7 24.Nhg2 Bd7 25.Ke2 Bb5 26.Kf3 Rc8 27.Bd2 Bc6 28.c4 (better is 28.Ra7 Rcg8 29.Ne3+-) 28...b5?? (better is 28...dc4 29.Kf2 c3+-) 29.Kf2 (29.Kf2 dc4 30.h3+-) 1–0. Glende,Siegfried – Franck,Rudolf, Bexbach op, 1996. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.f4 f5 9.g4 (9.Nf3 a6+=) 9...Nh6 (9...Bh4 10.Kd2 Nh6 11.h3-/+) 10.g5 Nf7 11.h4 (11.Nf3 0-0-/+) 11...Qc7 (11...Bd7 12.Ba3-/+) 12.Na3 (12.Ba3 b6-/+) 12...Ba3 (12...Bd7 13.Nf3-/+) 13.Ba3+= Na5 14.Bb4 Nc4 15.Bc4 Qc4 16.Ne2 (16.Qe2 b6-/+) 16...Bd7 (16...b6 17.Rg1-/+) 17.h5 Bb5 18.Kf2 (18.Rg1 Qc6-/+) 18...Qe2 (18...b6!?-/+) 19.Qe2+= Be2 20.Ke2 Kd7 21.Rhb1 g6 22.Rh1 a6 23.Bc5 gh5 (23...Kc6 24.Be7+=) 24.Rh5 (24.Rab1 Kc7=) 24...Rag8 25.Rb1 Kc8 (25...Nd8!?=) 26.Be7+/- h6 27.Bf6 Rh7 (27...hg5 28.Bh8 Rh8 29.Rh8 (29.fg5?? Rh5 30.g6 Ne5 31.de5 Rg5-+) 29...Nh8 30.fg5+-) 28.Rb6+- Nd8? (better is 28...Kd7+-) 29.Bd8 Kd8 30.Re6 (30.gh6?! Rg6 31.Rb1 Ke8=; 30.Rh6?! Rh6 31.gh6 Rg2 32.Kf3 Rh2 33.Re6 Kd7+-) 30...Rc7 31.gh6 Rc3 32.h7 Rh8 33.Rg6 Rc1 (33...Rc8+-) 34.Rg7 (better is 34.Rg8 Kc7 35.Rh8 Rc2 36.Kd3+-) 34...b5 (34...Rc8+-) 35.Rf5 1–0. Alekhine,Alexander – Frahm,EDG, Jakarta sim, 1933. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.f4 Nh6 9.Bd3 Nf5 10.Nf3 Qb6 (10...Bh4 11.g3 Be7 12.Ba3-/+) 11.0-0 h5 (11...0-0 12.Bf5 ef5 13.Ba3+=) 12.Ra2 (12.Bf5 ef5 13.Ba3 h4=) 12...Bd7 (12...h4 13.Bf5 ef5 14.Ba3+=) 13.Na3 (13.Bf5 ef5 14.Ba3 Qc7=) 13...a6 (13...h4 14.Nc2+=) 14.Nc2 g6 (14...Qb3 15.Rb2 Qc3 16.Bf5 ef5 17.Rb7+=) 15.Ne3 (15.Ba3 Qc7=) 15...Ne3+= 16.Be3 0-0 (16...Qc7 17.Qa1+=) 17.g4 (17.Qc2!?=) 17...hg4+= 18.Nh4? (better is 18.Nd2!?+=) 18...Bh4-+ 19.Qg4 Ne7 (19...Be7 20.Bg6 Qd8+-) 20.Qh4+= Nf5 21.Qe1 (21.Bf5 ef5 22.Ra3 Qb2+=) 21...Ne3 (21...Rfc8 22.Bd2-/+) 22.Qe3+= Qb3 23.Qd2 Rfc8 24.Rc1 Rc7 25.Rb2 (25.Be2 Rac8 26.Bd1 Qb6-/+) 25...Qa4 (25...Qa3 26.Ra2 Qe7 27.Qe1+=) 26.h4 (26.Ra2 Qc6=) 26...Rac8 (26...Kg7 27.Ra2 Qb3 28.Rb2-/+) 27.Rbc2 (27.Kf1!?-/+) 27...Bb5 28.h5 Bd3 29.Qd3 Qb5 30.Qg3+= Qe8 31.Rg2 Kg7 32.Rh2 f5 33.ef6+= Kf6 34.Qg5 Kg7= 35.Rg2 Kh8 36.Qf6+- Kh7 37.hg6 Kg8 38.Rg3 Rg7 39.Re1 Rc6 40.f5+- Qf8 41.Qf8 Kf8 42.f6 Rgc7 43.Ree3 b5 44.Rh3 Kg8 45.Reg3 a5 46.g7 Rc8 47.Rh8 (47.Rh8 Kf7 48.g8Q Rg8 49.Rhg8 Kf6 50.Rb8+-) 1–0. De Agustin,Manuel (2120) – Jimenez Villena,Francisco J (2250), Anibal op 3rd, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.f4 Nh6 9.Qh5 Nf5 10.Bd3 Qc7 11.Ne2 g6 12.Qf3 Bd7 13.g4 (13.0-0 a6=) 13...Ng7 (13...Nh4 14.Qg3+=) 14.Ba3 (14.0-0 h5+=) 14...Ba3 (14...h5 15.h3+=) 15.Na3 Ne7 16.Kd2 (16.Nb5 Bb5 17.Bb5 Kf8+=) 16...a6 17.Nb5 Bb5 18.Bb5 Nc6 (18...Kf8 19.h3+=) 19.c4 Rd8 20.Bc6 Qc6 21.Rhc1 h5 22.h3 hg4 (22...Qd7 23.c5=) 23.hg4 Ke7 (23...0-0 24.c5+=) 24.Qa3 (better is 24.cd5 Qd5 25.Qa3 Kd7 26.Qa4 Qb5 27.Qb5 ab5 28.Rc5=) 24...Ke8? (24...Kd7 25.cd5 Qb5+/-) 25.cd5+- Qd5?? (better is 25...Qd7 26.d6 Kf8+-) 26.Rc7 Rd7 27.Rc5 1–0. Frink,Ferenc (2175) – Walzl,Martin, Zalakaros op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.Qg4 Bf8 9.Ba3 Nh6 10.Qd1 Ba3 (10...Be7 11.Nf3-/+) 11.Na3 0-0 12.f4 (12.Nf3 f6 13.ef6 Qf6-/+) 12...f5 (12...f6 13.Nf3 fe5 14.fe5 Nf5-/+) 13.Nf3+= Nf7 (13...Bd7 14.Bd3+=) 14.Bd3 Bd7 15.0-0 a6 16.Kh1 (16.Qb3 Qc7+=) 16...Rc8 (16...Qc7 17.Rc1+=) 17.Qe1 (17.Qb1 Rc7+=) 17...Kh8 (17...Na5 18.Nc2 Qc7 19.Ra3-/+) 18.h4 (18.Nc2 a5+=) 18...Nh6 19.Nc2 Na5 20.Ne3 Bb5 21.Bb5 ab5 22.Rb1 (22.Ng5!? Re8 23.g4+=) 22...Qd7-/+ 23.Rf2 Nc4 (23...Ng4!? 24.Ra2 b6-/+) 24.Nc4+= Rc4 (24...bc4 25.Rfb2=) 25.Rfb2= Rfc8 26.Rb5 R8c7 27.Rb6 R4c6 (27...Rc3 28.Rd6 Qc8 29.Ng5=) 28.R6b3 Ng4 29.Nh2 Nh6 30.Ra3 Nf7 31.Ra8 (31.Nf3 Kg8+=) 31...Rc8 32.Ra3 Kg8 33.Rbb3 Nd8 34.Qa1 Rc4 35.Nf3 Nc6 (better is 35...b5=) 36.Nd2?? (better is 36.Qb2 Nd8 37.Kh2+=) 36...Nd4-/+ 37.Nc4 Nb3 (worse is 37...dc4 38.Rb2 Nb3 39.Qe1+=) 38.Rb3 dc4 39.Rb6 (39.Rb2-/+) 39...Re8?? (better is 39...Qd8 40.Re6 Qh4 41.Kg1 Qf4-+) 40.Rd6+= Qe7 (40...Qb5 41.Kh2=) 41.g3= Rd8 42.Qa3 Rc8 43.Qa7 Kf7 44.Qd4 Rc7 45.Kg2 b5 (better is 45...Qe8=) 46.h5 (46.Qb6!?+=) 46...Ra7 (46...b4!? 47.g4 g6 48.hg6 hg6 49.cb4 c3+=) 47.g4 (47.Kf2 Qb7+=) 47...g6 (47...fg4!? 48.Kg3 Qb7 49.Kg4 Qg2 50.Kh4 Re7+=) 48.Kg3= Rb7 (better is 48...fg4!? 49.Kg4 Qb7=) 49.h6+/- Ke8?? (better is 49...fg4 50.Rd8 Qc7 51.Kg4 Qc6+/-) 50.Qc5+- g5 (50...Rd7 51.gf5 gf5 52.Qb5 Qd8 53.Re6 Kf7 54.Qc4 Rd3 55.Kf2 Rd5 56.Rf6 Kg8+-) 51.Qc8 Kf7 52.Qh8 Kg6 53.Qg8 Kh6 54.Re6 1–0. Gonzalez Delgado,Hugo Andres (1910) – Verbel,Jose (2030), Mosquera COL, Open, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    8.Qg4 Bf8 9.Bd3 a5 10.Na3 (10.Nf3 b6 11.Na3 Ba6 12.Nb5 Qd7 13.Nd6 Kd8 14.Bc2+=) 10...b6 11.Nb5 Qd7 12.Nd6 Kd8 13.Nc8 Rc8 14.Nf3 =.

    8.Qg4 Bf8 9.Bd3 b6 10.Nf3 a5 11.Na3 Ba6 12.Nb5 Qd7 13.Nd6 Kd8 14.Bc2 +=.

    8.Qg4 Bf8 9.Bd3 Qc7 10.Ba3 f5 A) 11.Qh5 Qf7 12.Qf3 Nge7 (12...Be7 13.Be7 Qe7 14.Ne2=) 13.Ne2 b6= 14.Nd2=; B) 11.Qg3 Ba3 12.Na3 Qf7 13.Nb5 Kd7 14.Nh3+=.

    8.Qg4 Bf8 9.Bd3 Qc7 10.Ba3 Nh6 11.Qg5 Qd8 12.Nf3 Qg5 13.Ng5 Nf5 14.Bf8 +=.

    8.Qg4 Bf8 9.Bd3 Bd7 10.Nf3 h5 11.Qf4 Nge7 12.Ba3 Rh6 13.0-0 f6 14.Bd6 =.

    8.Qg4 Bf8 9.Bd3 Nge7 10.Nf3 Bd7 11.0-0 h5 12.Qf4 Nf5 13.Ba3 Nce7 14.Rc1 =.

    8.Qg4 Bf8 9.Bd3 f5 10.Qh5 g6 11.Qe2 h6 12.Nf3 g5 13.Ba3 Nge7 14.Nfd2 =.

    8.Qg4 Bf8 9.Nf3 Qc7 10.Ba3 Nge7 11.Bd3 A) 11...Bd7 12.0-0 (12.Bd6 Qd8 13.0-0 a6= 14.Nbd2=) 12...a5 13.Bd6 Qd8 14.Na3+=; B) 11...f5 12.Qh5 g6 13.Qh4 h6 14.0-0+=.

    8.Qg4 Bf8 9.Nf3 Qc7 10.Ba3 Nh6 11.Qg5 Nf5 12.Bf8 Rf8 13.Bd3 f6 14.ef6 +=.

    8.Qg4 Bf8 9.Nf3 Qc7 10.Be2 Na5 11.Ba3 Nh6 12.Qg5 Nf5 13.Bf8 Rf8 14.Bd3 +=.

    8.Qg4 Bf8 9.Nf3 Qc7 10.Bf4 Qb6 11.Bc1 Na5 12.Nfd2 Nh6 13.Qg5 Nf5 14.Bd3 +=.

    8.Qg4 Bf8 9.Nf3 Qc7 10.Bg5 Qb6 11.Bc1 Na5 12.Nfd2 Nh6 13.Qg5 Nf5 14.Bd3 +=.

    8.Bd3 Qc7

    9.Ra2 Bd7 10.Nh3 (10.Nf3 a6=+) 10...a6 (better 10...f6!? 11.Bf4 fe5 12.Qh5 Kf8 13.de5 Nh6=+) 11.0-0+= Na7 12.Qg4 g6 13.Ng5 Bb5 14.Qf3 Bg5 (14...Bd8 15.Rd1=+) 15.Bg5 Bd3 16.Qd3 h6 17.Bc1 (17.Be3 Ne7=+) 17...Ne7 18.Ba3 Nb5 Attacking the backward pawn on c3 (18...Nf5 19.Nd2=+) 19.Be7 Ke7 20.Qf3 Raf8 21.Re1 Kd7 (21...Rh7 22.Ra4=+) 22.Qe3 Qd8 (22...Rc8 23.Rc1=+) 23.Nd2= Qg5 24.f4 Qh4 25.g3 Qh5 26.c4 Nc7 (better 26...dc4!? 27.Ne4 Kd8=) 27.Qa3+- Rd8 28.cd5 (28.Qd6 Kc8 29.Qb6 g5+-) 28...Nd5 29.Ne4 g5 (29...Rhg8!?+-) 30.f5 (30.Rb1 b5 31.Qa6+-) 30...g4? (better 30...Qg4+-) 31.fe6 Ke6 32.Nc5 Kf5 33.Qd3 (worse 33.Nb7 Kg6+-) 33...Kg5 34.Nb7 (34.Rf1 Qg6 35.h4 gh3 36.Ne4 Qe4 37.Qe4 h5 38.Rf7 Kh6 39.Raf2 h2 40.Kh1 Rd6 41.ed6 h4 42.Qh4 Kg6 43.Qg4 Kh6 44.Rh2) 34...Qg6 35.Qg6 (35.Qd2 Kh5 36.Nd8 Rd8+-) 35...Kg6 (35...fg6 36.Nd8 Rd8 37.Ra6+-) 36.Ra6 Kg7 37.Nd8 Rd8 38.Rd6 Rd6 39.ed6 Nf6 40.Re8! Kg6 (40...Ne8 41.d7 Double attack (41.d7 Decoy; 41.d7 Passed pawn)) 41.Re7 Kg7 (41...Kf5 42.d5+-) 42.d7 (42.d7 Nd7 43.Rd7+-) 1–0. Zala,Gyula (2065) – Farkas,Richard (1915), First Saturday Augusztus FM–B, 2010. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Qc7 8.Bd3 Nc6)

    9.Na3? Ne5!-+ 10.de5 (better is 10.Nb5 Nd3 11.Qd3-/+) 10...Qc3 11.Qd2 (11.Bd2 Qd3 12.Qg4-+) 11...Qa1 12.Nb5 Qe5 13.Ne2 Nf6 14.Bb2 Qb8 15.Qg5 a6 16.Be5 Nd7 (16...ab5?! 17.Bb8 Rb8 18.Bb5 Bd7 19.Bd7 Kd7 20.0-0-+) 17.Bb8 Bg5 18.Nc7 Ke7 19.Na8 Nb8 20.Nb6 Nd7 21.Nc8 Rc8 22.0-0 (22.Bh7 b5-+) 22...Nc5 23.Bb1 b5 24.f4 Bf6 25.g4 White prepares the advance f5 25...g6 26.f5 gf5 27.gf5 Be5 28.f6 Bf6 29.Bh7 Be5 30.Rc1 Kd6 31.Rf1 f5 32.Kf2 Rh8 33.Bg6 Rh6 34.Be8 Ne4 35.Ke3 Nf6 36.Bf7 Ke7 37.Ng1 (37.Be6 Ke6 38.Nd4 Bd4 39.Kd4 Rh4 40.Kc5 Nd7 41.Kc6 Rh2 42.Re1 Ne5 43.Kb7 Ra2-+) 37...Kf7 38.Nf3 Bc3 39.Kd3 Ne4 40.Rg1 b4 41.Ke3 b3 42.Kf4 (42.h4 e5-+) 42...b2 43.h4 Kf6 (43...Bd2 44.Nd2 Nd2 45.Ke3-+) 44.h5 Bd2 45.Nd2 Nd2 0–1. Vekemans,Denis (2045) – Giua,Frederic (2210), Avoine op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Qc7)

    9.Ne2 Bd7 10.0-0 Na5 (10...f6 11.ef6 Nf6 12.Bf4-/+) 11.Nd2 h5 12.Qc2 Rc8 13.Qa2 Nc6 14.Ba3 g5 (14...f6!? 15.ef6 gf6=) 15.Rfc1 Ba3 16.Qa3 Nge7 17.c4 Qd8 18.cd5 ed5 (18...Nd5? 19.Ne4 Qe7 20.Nd6 Kf8 21.Be4+-) 19.Nb3 h4 20.Nc5 Rc7 21.Qb2 Bc8 22.Qd2 Rg8 23.Bb5 a6 24.Bd3 Ng6 25.Bg6 Rg6 26.f4 gf4 27.Nf4 (worse is 27.Qf4 Bh3 28.g3 hg3 29.hg3 a5-/+) 27...Qg5? (27...Rg4 28.h3 Rg3 29.Rc2=) 28.Rc2 (better is 28.Qf2!? h3 29.g3+- (29.Ng6?! fg6 30.Nb3 Rf7+=)) 28...Bf5 29.Ng6 Qg6? (better is 29...Qd2 30.Rd2 fg6+=) 30.Raa2?? (30.Rb2 Bc8+-) 30...b5?? (better is 30...Bc2!? 31.Qc2 Nd4 32.Qg6 fg6 33.Rd2 Ne2 34.Re2 Rc5 35.Kf2-+) 31.Ra6?? h3?? 32.e6?? Nd4?? 33.Qd4+- Bc2 34.ef7 (34.ef7 Kf7 35.Qd5 Kg7 36.Qe5 Kh7 37.Rg6 Kg6 38.Qg3 Kf6 39.Qd6 Kf5 40.Qc7+-) 1–0. Mueller,Falk – Buechle,Regina, Ruhrgebiet VK4, 1996. (=1.e4 c5 2.b4 cb4+= 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Ne2 f6 10.f4 Nh6 11.0-0 0-0 12.Qc2 Nf5 13.Nd2 Bd7 14.Nf3 Rac8 15.Qb1 Kh8 16.Bd2 b6 17.g4 fe5 18.fe5 (worse 18.gf5 e4 19.Be4 de4 20.Qe4 ef5-/+) 18...Nh4 19.Nh4 Bh4 20.Bh7 (20.Nf4 Bg5=) 20...Rf1=+ 21.Qf1 Kh7 22.Qh3 Kg8 23.Qh4 Rf8 (23...Na5!? 24.g5 Be8=) 24.Nf4+- Qd8 25.g5 Rf5 26.Ng6 Be8?? (26...Qe8!? 27.Qh8 Kf7+-) 27.Qh8+- Kf7 28.Qh5 (28.Nh4 g6 29.Qh7 Kf8 30.Nf5 gf5 31.g6 Bg6 32.Qh8 Ke7 33.Bg5 Kd7 34.Bd8 Nd8 35.Ra7 Kc8 36.Qf8 Kb8 37.Qe7 f4 38.Qc7) 28...Kg8= 29.Qh8 Kf7 30.Qh5 Kg8 ½–½. Demirci,Fatih (1745) – Ozer,Omer Faruk (2385), TCh–TUR 1st League, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    9.Ne2 f6-/+ 10.f4 Nh6 11.0-0 0-0 12.Nd2 fe5 (12...Nf5 13.Qb3 g6 14.Bf5 gf5 15.Ba3=) 13.fe5 Bd7 14.Nf3 (14.Qc2 Nf5=) 14...Nf7 (14...Nf5 15.Qe1+=) 15.Qc2= h6 (15...g6 16.Bg6 hg6 17.Qg6 Kh8 18.Qh5 Kg7 19.Nf4+=) 16.Bh7 (16.Nf4 Rfb8=) 16...Kh8+= 17.Nf4 Rfc8?? (better is 17...Rfe8!?+=) 18.Ng6+- Kh7 19.Ne7 (better is 19.Nf8! Kg8 20.Qh7 Kf8 21.Nh4 Bh4 22.Ba3 Nb4 23.Bb4 Qc5 24.Qh8 Ke7 25.Bc5 Rc5 26.Qa8+-) 19...Kh8 20.Nc8 Rc8 21.Qg6 Kg8 22.Bh6! Nh6 (22...Nh6 23.Ng5 Combination) 23.Ng5 Nf5 24.Rf5! (24.Ne6?! Nce7 25.Nc7 Ng6+-) 24...ef5 (24...ef5 25.Qf7 Double attack) 25.Qh7 Kf8 26.Qh8 Ke7 27.Qg7 Ke8 28.Qf7 (28.Qh8 Ke7 29.Qf6 Ke8 30.Nh7 Qd6 31.ed6 Be6 32.Qf8 Kd7 33.Nf6) 28...Kd8+- 29.Qf8 (better is 29.Qf6 Ne7 30.Nf7 Ke8 31.Nd6 Qd6 32.ed6 Ng8 33.Re1 Be6 34.Qg7 f4 35.Re6 Kd8 36.Qf7 Rc3 37.Re8) 29...Be8 30.Ne6 (30.Ne6 Kd7 31.Nc7 Rc7 32.Qf5 Kd8 33.Qg5 Ne7 34.Ra7+-) 1–0. Frink,Ferenc (2225) – Mladenovic,St (1935), Battle of Senta Open A, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    9.Ne2 f6 10.f4 Nh6 11.0-0 0-0 12.Ng3 Bd7 13.Qh5 (13.Nd2 a5-/+) 13...f5 14.Ba3 Ba3 15.Ra3 b5 16.Ne2 (better is 16.Bb5!? Rab8 17.Be2+=) 16...a5 17.Nd2 Rab8 18.Rc1 Qb6 19.Nb3 Rfc8 20.Raa1 Be8 21.Qh4 b4 22.Qe1? (better is 22.Nc5!?+=) 22...bc3-+ 23.Rc3 a4! 24.Ra4 Ne5! 25.fe5? (better is 25.Ra3 Rc3 26.Qc3 Nd3 27.Qd3-+) 25...Rc3 (25...Ba4?! 26.Nc5 Bb5 27.Rb3-+) 26.Qc3 Ba4 (26...Qb3?! 27.Ra1-/+) 27.Nc5 Bb5 28.h3 Bd3 29.Qd3 Qb1 30.Qb1 Rb1 31.Kf2 Kf7 32.Nf4 Rb6 33.Kf3 g5 34.Nfd3 f4 35.h4 gh4 36.Nf4 Nf5 37.Kg4 Nd4 38.Kh4 Rb5 39.Ncd3 Nc6 40.g4 d4 41.Ne2 Ne5 42.Ne5 Re5 43.Nd4 0–1. Arnaudov,Petar (2150) – Sethuraman,S P (2545), 1st Grande Europe Open, 2012. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.Bd3 Bd7

    9.Ra2 Qc7 10.Nh3 (10.Nf3 a6=+) 10...a6 (better 10...f6!? 11.Bf4 fe5 12.Qh5 Kf8 13.Be5 Ne5 14.de5 Nh6-/+) 11.0-0+= Rc8 12.f4 (12.Qg4 g6=) 12...f5 (12...Na7 13.f5 ef5 14.Qf3=+) 13.g4 (13.Ba3 Ra8=) 13...g6=+ 14.gf5 ef5 15.Ng5 Bg5 16.fg5 Nge7 (16...h6 17.Qb3 Be6 18.Bf4=+) 17.Qe1 (17.Bf4 Be6=) 17...Be6 (17...Na7 18.e6 Bb5 19.Bf4=+) 18.Ba3 (18.Bf4 Na5=) 18...Kf7 (better 18...h6!? 19.Bd6 Qd8=+) 19.Bd6+= Qd8 20.Nd2 Na5 (20...h6 21.Qb1+=) 21.Nf3 (21.Qc1 Ng8 22.Qb2 Ke8+=) 21...Nec6 (better 21...Nc4 22.Bc5 Kg7=) 22.Nd2 (better 22.Qd2+=) 22...Qg5-/+ 23.Kh1 Nc4 (23...Ke8 24.Nf3 Qh6 25.Qb1-/+) 24.Nf3 (better 24.Nc4!? dc4 25.Be4=) 24...Qd8 25.Rg2 (better 25.Bc4 dc4 26.Qb1=+) 25...Re8?? (25...Ke8 26.Ng5 Qd7-/+ (26...Nd6? 27.Ne6 Qe7 28.ed6 Qd6 29.Nc5 Ne7 30.Nb7+-)) 26.Bf5?? (26.Ng5 Kg7 27.Qh4=) 26...Bf5-+ 27.Ng5 Kg8 (27...Kg7 28.Rf5 Nd6 29.Qh4-+) 28.Rf5 (28.Qh4 Re7 29.Be7 Qe7 30.Rf5 Rc7+-) 28...Nd6 29.Qh4 Qe7 (29...Rc7 30.ed6 Qd6 31.Rf1-+) 30.Rf7 (better 30.Rf6 Ne4! 31.Nh7 Qh7 32.Rgg6 Kh8 33.Qh7 Kh7 34.Rh6 Kg7 35.Rhg6 Kh8 36.Rh6 Kg8 37.Rhg6 Kh7 38.Rh6 Kg7 39.Rhg6 Kh7=) 30...Qf7 (30...Nf7?? 31.Qh7 Kf8 32.Rf2 Qf6 33.Rf6 Ke7 34.Qf7 Kd8 35.Rd6) 31.Nf7 Nf7 32.Rg3 (32.Rf2 Re7-+) 32...Re6 33.Rh3 (33.Qg4 Rce8-+) 33...h6 34.Qg4 Rce8 35.Qg2 Ne7 36.c4 (36.Rf3 Kg7-+) 36...dc4 37.Qc2 (37.Qb7 Rd8 38.Rh4 c3-+) 37...b5 38.Rf3 Kg7 39.Qe4 (39.Qc3 Ng5 40.Rf1 Nd5-+) 39...Nf5 (39...Nd6 40.Qg4 Ndf5 41.Rf1-+) 40.h4 (40.Qd5 Nd8 41.Qc5 Rc6-+) 40...h5 (40...Rd6 41.Rf5 gf5 42.Qf5-+) 41.Rf5 (41.Qd5 Nh4 42.Rf1 g5-+) 41...gf5 (better 41...Nd6!? 42.Rf7 Kf7 43.Qf3 Nf5 44.Kh2-+) 42.Qf5 Ne5! 43.d5 (43.de5 Re5 Decoy) 43…Rg6 0–1. Zala,Gyula (2000) – Jensen,Leif (2015), FSFMA, 2011. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Bd7 8.Bd3 Nc6)

    9.Ne2 Na5 10.Nd2 b5 11.0-0 Nc4 12.Nc4 bc4 (worse is 12...dc4 13.Be4+=) 13.Bc2 a5 14.f4 (14.Ng3 Qc7=) 14...Nh6+= 15.h3 Nf5 16.g4 Nh4 17.f5 0-0 18.Ng3 f6 19.Qe2 fe5 20.de5 Bc5 21.Kh2 Rf7 22.Bf4 Ra6 (22...ef5 23.e6 Re7 24.gf5+-) 23.f6 gf6 24.Nh5 fe5 (better is 24...Be7!? 25.ef6 Bf6=) 25.Be5= Rf1?? (25...Bb5 26.Rf7 Kf7 27.Rf1 Ke8 28.Nf6 Ke7 29.Bh7 Bd6+-) 26.Rf1 Be7 27.Nf6 (better is 27.Qf2 Be8 28.Qf4+-) 27...Bf6-/+ 28.Bf6 Qc7 29.Be5 Qd8 30.Bh7 Kh7 31.Rf7 Kg8 (31...Kh6 32.Qe3 Qg5 33.Bg7 Kg6 34.Rf6 Kg7 35.Qg5 Ng6 36.Qg6 Kh8 37.Rf8) 32.Rg7 Kf8 33.Qf2 Nf5 34.gf5 ef5 35.Qc5 (35.Qc5 Ke8 36.Rg8 Kf7 37.Rd8 Ke6 38.Bg7 a4 39.Qf8 d4 40.Qf6 Kd5 41.Qd4 Kc6 42.Qd7 Kb6 43.Bd4 Ka5 44.Qf5) 1–0. Frink,Ferenc (2245) – Bilek,Roman (2055), Znojmo Hostan op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

    9.Ne2 a6 10.0-0 g6 11.Be3 Bg5 (11...b5 12.Nd2=) 12.f4 (12.Nd2 Be7=) 12...Bh6 13.Nd2 Nge7 14.Rf3 Nf5 15.Bf2 Bf8 16.Rh3 b5 17.Bf5 ef5 18.Nf1 (18.Bh4!? Be7 19.Be7 Qe7 20.Nb3=) 18...Be7+= 19.Ne3 Be6 20.Rh6 Bf8 21.Rh3 h5 (21...f6 22.Qb3+=) 22.Qb3 (22.Bh4 Qc7=) 22...Be7+= 23.Kh1 Na5 24.Qa2 Nc4 25.Nc1 0-0 26.Nd3 Kg7 27.Nc5 (27.Nb4 Qd7+=) 27...Bc8 (27...Ne3!? 28.Ne6 fe6 29.Re3 Qc7-/+) 28.Qe2 Ne3 29.Qe3 Qb6 (29...Re8 30.Kg1+=) 30.Bh4= Bh4 31.Rh4 Be6 32.Qg3 Rh8 33.Rh3 a5 34.Qg5 Qd8 35.Qg3 a4 36.Ra3 Qe7 37.Qe1 Rhc8 38.Qe3 Rab8 39.Rf3 Qe8 40.Qe1 Rb6 41.h3 Rcb8 42.Kh2 Qc6 43.Qa1 Qe8 44.Qe1 Qe7 45.Qa1 Rc8 46.Qb2 Rcb8 47.Qb4 ½–½. Adams,William – Travers,R, 1951. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Bd7 8.Bd3 Nc6)

    9.Ne2 Rc8 10.0-0 a6 11.h3 Na5 12.f4 g6 (12...Qb6 13.f5+=) 13.g4 (13.Nd2!?=) 13...Nc4-/+ 14.f5 Bg5 (14...ef5!? 15.gf5 Bf5 16.Bf5 gf5-/+) 15.f6 Bc1 16.Qc1 (16.Nc1? Ne3 17.Qb3 Nf1 18.Kf1 Qc7-+) 16...Qb6 17.Bc4 Rc4 (worse is 17...dc4 18.Nd2+/-) 18.Nd2 Ra4 19.Ra4 Ba4 20.Qa3 (20.c4!? Bc6 21.Qa3+=) 20...Bb5+= 21.Rb1 Qc7 (21...Qc6 22.c4 Bc4 23.Nc4 dc4 24.Qc5+=) 22.Nf4 (22.Rb5 ab5 23.Qa8 Qd8 24.Qb7 h6+=) 22...Nh6 23.Nf3 Ng8? (23...b6 24.Ra1=) 24.Ng5 (better is 24.Rb5 ab5 25.Ng5+-) 24...Bd7= 25.Kg2 h6?? (better is 25...Bc8=) 26.Ng6!+- (26.Ng6 Bb5 27.Qf8 Kd7 28.Qf7 Kc8 29.Qc7 Kc7 30.Ne6 Kb8 31.Nh8+-) 1–0. Frink,Ferenc (2210) – Horvath,Ivan (2065), Eger Agria op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4 6.c3 Be7 7.d4 Nc6 8.Bd3 Bd7)

    9.Ne2 f6 10.f4 Nh6 11.0-0 0-0 12.Nd2 fe5 13.fe5 Rf1 14.Nf1 Kh8 (14...Nf7 15.Qc2 h6 16.Ne3+=) 15.Nf4 (15.Bh6 gh6 16.Qb1 Qc7+=) 15...Rc8 16.Qh5 Qe8 (16...Na5 17.Qd1+=) 17.Qh3= Bf8 (17...Bd8 18.Ne2=) 18.Bd2 a6 19.Ne3 Ne7 20.g4 (worse is 20.Ne6 Rc6 21.Nd5 A) 21...Re6?! 22.Nc7 Qc8 23.Ne6 Be6 24.Qf3+=; B) 21...Nd5? 22.Bh6 g6 B1) 23.Nf8?? Bh3 24.gh3 g5-+ (24...Nc3?! 25.Rf1 Rc8 26.h4-+); B2) 23.Bf8 Be6 24.Qh6+-; C) 21...Be6-/+) 20...Kg8 21.Nh5 (21.g5 Nhf5=) 21...Bb5+= 22.Bb5 (22.Bc2 Qc6+=) 22...Qb5-/+ 23.Rf1 Qd3 (23...Nf7 24.Qg3-/+) 24.Rf2 (24.Qg2 a5+= (24...Rc3? 25.Nf4 Qf1 26.Kf1+-)) 24...Ng6 25.Qf3 Be7 (25...Kh8!?+=) 26.Nd5= Qf3 27.Ne7 (27.Rf3? ed5 28.Bh6 gh6-+) 27...Ne7 28.Rf3 Nf7 (28...Ng4? 29.Rg3+-) 29.h4 Nd5 30.Kf2 b5 31.Ke2 Nd8 32.Ng3 Nb7 33.Ne4 h6 34.g5 h5 35.g6 Rf8 36.Rf8 Kf8 37.Bg5 a5 38.Kd3 a4 39.c4 (better is 39.Kc2!?+=) 39...bc4 (39...a3!? 40.Kc2 Nb4 41.Kb1 bc4-/+) 40.Kc4+= Na5 41.Kb5 a3 42.Bc1 a2 43.Bb2 Nb3 44.Nc5 Nc5 45.dc5 Ke7 46.Kc6 Nf4 47.Kb7 Ng6 (47...Nd3 48.Bd4 a1R 49.Ba1 Nc5 50.Kc7 Na6 51.Kc8+=) 48.c6= Kf7 49.c7 Ne7 50.Ba3 (50.Ba1 g5! 51.c8N Nc8 52.hg5 h4 53.g6 Kg6-+) 50...a1Q 51.Be7 Qb2 52.Ka6 Qa2 53.Kb6 Qb3 54.Ka7 Qa4 55.Kb7 Qb5 56.Kc8 (56.Ka7 Qc6 57.Bd6 Ke8 58.c8Q Qc8-+) 56...Qa6 (56...Ke8 57.Bc5 Qa6 58.Kb8 Kd7 59.Bd6 Qb6 60.Ka8 Kc8 61.Bc5 Qb7) 57.Kd8-+ Qa8 58.c8Q Qc8 59.Kc8 Ke7 0–1. Frink,Ferenc (2135) – Lechtynsky,Jiri (2360), Zalakaros HUN, National Open, 2013. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Bd7)

    9.Ne2 f6 10.ef6 Nf6 (10...gf6 11.Nf4 Qc8 12.Qh5 Kd8 13.Qf7+=) 11.f4 0-0 12.0-0 Qe8 13.Nd2 Ng4 14.Nf3 Bd6 15.h3 Nf6 16.Ne5 Qh5 17.Qe1 Rad8 (17...a5!?+=) 18.Ng3= Qe8 19.Ra2 (19.Nc6!? Bc6 20.Ra7+=) 19...a6 20.Re2 g6 (20...Bc8 21.Ra2+=) 21.Nd7 (better is 21.f5!? Be5 22.de5+=) 21...Qd7+= (21...Nd7? 22.Re6 Be7 23.f5+-; 21...Rd7?! 22.Re6 Re7 23.f5=) 22.Nh1 Rde8 23.Qh4 Nd8 24.g4 Qc7 25.Bd2 Rf7 (25...b5 26.Ra1 Qc6 27.Rae1-/+) 26.Qh6 (26.f5 gf5 27.gf5 ef5 28.Rg2 Kh8 29.Rf5 Qe7+=) 26...Bf8 27.Qh4 Bg7 (27...b5 28.Ra1 Qc6 29.Nf2-/+) 28.g5+= Nd7 29.Nf2 (29.f5 gf5 30.Rf5 Rf5 (30...ef5?! 31.Re8 Rf8 32.Rf8 Nf8 33.Bf5=) 31.Bf5 Nf8-/+) 29...Ref8 30.Ng4 Qd6 31.Rff2 Nc6 32.Qg3 Nd8 (32...b5 33.Ne5 Nde5 34.fe5-/+) 33.h4 (33.Qh4 Qc6-/+) 33...Re7 (33...Qc7 34.h5 gh5 35.Qh2+/-) 34.h5 gh5 35.Nf6? (better is 35.Qh2 Qa3 36.Re3=) 35...Nf6-+ 36.gf6 Rf6 37.Re5 Nf7 38.Rg2 The mate threat is Qxg7 38...Nh6 (38...Ne5? 39.fe5 Rg6 40.Bg6+- (worse is 40.ed6 Rg3 41.de7 Rg2 42.Kg2 Kf7+-)) 39.Rg5 Threatening mate... how? 39...Rff7 40.Rh5 Nf5 41.Qh3 Threatening mate: Rxh7 41...h6?? (better is 41...Kf8-/+) 42.Bf5+- ef5 (42...Rf6 43.Rh6 Rh6 44.Qh6+-) 43.Rh6 Rf6 (43...Qh6 44.Qh6 Re2 45.Qd6 Rg2 46.Kg2+-) 44.Rh8 Kf7 45.Rg7! Ke6 (45...Kg7 Decoy theme: g7 46.Qh7 A beautiful mate combination) 46.Re8! (46.Re8 Kd7 47.Ree7 Qe7 48.Qh7+-) 1–0. Koltanowski,George – Solomon, USA, Tampa FL, 1941. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Bd7)

    9.Nf3+= Qc7 (9...b5 10.0-0 a6 11.Be3 Na5 12.Nbd2 Rc8 13.Nb3 Nb3=; 9...a6 10.0-0 b5 11.Be3 Na5 12.Nbd2 Rc8 13.Nb3 Nb3=) 10.0-0 a6 11.Na3 Na5 12.Bd2 b6 13.Qc2 Ba3 +=.

    9.f4 a6 10.Nf3 Nh6 11.0-0 Nf5 12.g4 Nh6 13.Ng5 Qb6 14.Kh1 (14.Ra2 f6 15.Rb2 Qc7 16.Nh7 0-0-0-/+) 14...0-0-0 (14...f6 15.ef6 gf6 16.Ne6 Be6 17.f5 Nf5 18.Bf5 Bf5 19.Rf5=+) 15.h3 (15.Qe2 Qc7=+) 15...g6 (better 15...f6!? 16.Nf3 f5=+) 16.Nd2= f5 (16...Rdf8!?=) 17.ef6+= Bf6 18.Nb3 Be7 19.Rb1 Qc7 20.Qe2 Rhf8 21.Bd2 Bg5 22.fg5 Qg3 23.Qe3 (23.gh6?! Qh3 24.Kg1 Qg3 25.Kh1 Qh3 26.Kg1 Qg3 27.Kh1 Qh3=) 23...Qe3 24.Be3 Nf7 25.Nc5 Na5 26.Bf4 e5? (26...Rde8!?+-) 27.de5+- d4? (27...Rde8 28.e6! (28.Nd7?! Kd7 29.Rfe1 Nd8=) 28...Be6 29.Ba6+-) 28.Be4 (28.e6 Bc6 29.Kg1 Rd5 30.ef7 dc3+-) 28...Bc6? (better 28...Bb5 29.Rfc1 d3+-) 29.Bc6+- Nc6 30.Ne6 dc3 31.Nf8 (31.Nd8?! Nfd8 (worse 31...Rd8 32.Rbe1+-; 31...Ncd8? 32.Rbc1+-) 32.Kg2 b5=+) 31...Rf8 32.Bg3 Kd7? (better 32...Nd4+-) 33.Rb7 (33.Rb7 Ke8 34.Rc1+-) 1–0. Surtees,M (2105) – Scott,Luke (1835), 21st 4NCL Congress, 2019. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Nc6 8.Bd3 Bd7)

    9.Bf4 Rc8 10.Nf3 a6 11.0-0 Na5 12.Qc2 h5 13.Nbd2 Kf8 14.Rfc1 Nh6 15.Qa2 Nc6 16.Qb2 g5 (16...Rc7 17.c4=) 17.Be3+= Rb8 18.Nf1 Nf5 19.Bd2 Rg8 20.Ng3 Ng7 21.c4 h4 22.Ne2 dc4 23.Bc4 g4 24.Ne1 Bg5 25.Bg5 Qg5 26.Nd3 Nf5 27.Nc5 Bc8 28.Ne4 Qd8 29.Nf6 Rg6 30.Bd3 Rf6 (30...Ncd4 31.Rd1 Ne2 32.Be2 Qe7+-) 31.Rc6 Rh6 32.Bf5 bc6 33.Qb8 ef5 34.Ra6! Re6 (34...Ba6 35.Qd8) 35.Ra7 Re7 36.Qb4 Ke8 37.Ra8 Rc7 38.Nf4 c5 (38...Rb7!? 39.Qe1 h3+/-) 39.Qb5+- Qd7? (better is 39...Kf8 40.d5 Qe8+-) 40.Nd5 (40.Nd5 Qb5 41.Nc7 Ke7 42.Nb5+-) 1–0. Winter,Karl – Labuz,Leszek, EU/M66 ICCF, 2002. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.e5 e6 5.d4 Nc6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Bd7)

    9.Qg4 a6?? 10.Nf3?? (better is 10.Qg7 Bf6 11.ef6 Qf6 12.Qg3+-) 10...Qb6?? (10...Bf8 11.0-0=) 11.Ba3 (better is 11.Qg7 0-0-0 12.Qh8+-) 11...0-0-0?? (better is 11...g6!?=) 12.0-0 (12.Qg7!? Ba3 13.Ra3 Nge7 14.Qf7 Rdf8+-) 12...Ba3 13.Ra3 f5 14.Qf4 h6 15.Nbd2 g5 16.Qe3 f4 17.Qe2 Nge7?? (better is 17...Qc7+/-) 18.Rb1+- Qc7 19.Nb3 (better is 19.Ba6!? g4 20.Rb7 Qb7 21.Bb7 Kb7+-) 19...b6?? (better is 19...g4 20.Ne1 f3 21.gf3 gf3 22.Nf3 Rdg8 23.Kh1 a5+-) 20.Nc5! (20.Ra6?! Nb8 21.Ra8 Bc6+-; worse is 20.Ba6 Kb8 21.Nc5 g4+-) 20...Rdg8 (20...bc5 21.Ba6 Decoy) 21.Ne1?? (21.Ra6!? bc5 22.Ra8 Qb8 23.Rbb8 Nb8+-) 21...g4? (better is 21...bc5 22.Rb7 Qb7 (22...Kb7?! 23.Ba6 Ka7 24.Bb7 Qa5 25.Ra5 Kb7 26.Rc5=) 23.Ba6 Qa6 24.Qa6 Kc7 25.dc5 Rb8-/+) 22.g3?? (22.Ra6 Kd8 23.Rbb6 Bc8+-) 22...fg3?? (better is 22...bc5 23.Rb7 Kb7 24.Ba6 Ka7 25.Bb7 Qa5 26.Ra5 Kb7 27.Rc5 Kc7+=) 23.hg3 (23.Ba6 Kd8 24.Nb7 Ke8 25.Nd6 Kf8 26.fg3+-) 23...h5?? (better is 23...bc5 24.Ba6 Kd8=) 24.Ba6 Kd8 25.Nb7 Ke8 26.Nd6 Kf8 27.Bd3 h4 28.Qe3 Nf5 29.Bf5 ef5 30.Qf4 Ne7? (30...Ke7 31.Ng2 hg3 32.fg3+/-) 31.Nd3 (better is 31.Ra8!? Kg7 32.Rg8 Rg8 33.e6+-) 31...hg3 32.fg3 Rh5 33.Kf2 (33.Ra8 Bc8 34.Nc5 bc5 35.Rbb8=) 33...Rgh8 34.Rg1 Ng6 35.Qe3 ½–½. Lorkiewicz,Ziemowit – Nun,Joanna, Lasker Memorial op–B, 2007. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Bd7)

    9.Qg4 Kf8 10.Nh3 Na5 11.Ra2 Nc4 12.Ng5 Bg5 13.Bg5 Ne7 14.Bc4 dc4 15.Nd2 Bc6 16.0-0 (worse is 16.Nc4 Qd5 17.Be7 Ke7 18.Qg7 Raf8 19.Ra7 Qc4-+) 16...Qd7 17.Nc4 (better is 17.Be7!? Ke7 18.Qg7+/- (worse is 18.Nc4 Qd5+=)) 17...Qd5+= 18.Nb6 Qa2 19.Na8 (19.Be7 Ke7 20.Qg5 Kf8 21.Na8 Qa5+=) 19...Nf5 (better is 19...Nd5!? 20.c4 Qc4+=) 20.Nc7 Qc2 21.d5 ed5 22.Qb4 (better is 22.Rc1 Qd3 23.Rd1+/-) 22...Kg8+= 23.Qc5 Attacks the isolani on d5 23...h6 24.Be3 d4 (24...Ne3 25.Qe3 Qe4 26.Ra1 Qe3 27.fe3-/+) 25.Bd4 Kh7 (25...Bg2!? 26.Ra1 Bh3-+ (26...Nd4?! 27.cd4 Qg6 28.Qd6-+)) 26.Qc4+= Nh4 (better is 26...Nd4!? 27.Qd4 Rc8+=) 27.Qf7+= (27.Ba7?? A) 27...Ng2?! A1) 28.Qf7? Nh4 (28...Qc3?? 29.Qf5 Kg8 30.Rd1 Qe1 31.Re1 Ne1 32.f4 Nf3 33.Kf2+-) 29.Nd5 Ra8-+; A2) 28.f3 Qg6 29.Qg4-/+; B) 27...Qg6 28.Qc6 bc6-+) 27...Ng2 (27...Rf8 28.Qf8 Qg6+=) 28.Nd5 (better is 28.e6!? Qg6 29.Qg6 Kg6 30.Ba7+/-) 28...Bd5+= 29.Qd5 Nf4 30.Qb7?? (30.Qf3 Rf8 31.Re1= (31.Qb7?? Qg6 32.Kh1 Rb8-+)) 30...Qe2 (better is 30...Qg6 31.Kh1 Rb8-+) 31.Qb1+= g6?? (better is 31...Kg8 32.Qd1 Qe4+=) 32.Qb7 Kg8 33.Qc8 Kf7 34.Qd7 1–0. Zhukov,Viktor (2205) – Kornilov,Anatoly (2415), RUS–ch Seniors, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Bd7 8.Bd3 Nc6)

    9.Qg4 Kf8 10.h4 Rc8 (10...Qc7 11.Ba3=+) 11.Ne2 a6 (11...f5 12.Qg3=) 12.h5= b5 (12...Qc7 13.Qg3=) 13.Rh3 (13.Ra6 b4 14.h6 g6+=) 13...b4 (13...Ra8!?=) 14.Rg3+= g6 15.hg6 hg6 16.Bg6 (better 16.Rh3 Rh3 17.Qh3=) 16...Rh1-/+ (16...fg6 17.Qg6 Rh1 18.Kd2 Bg5 19.Rg5+- (19.Qg5?! Qg5 20.Rg5 b3+-)) 17.Kd2 bc3 (17...fg6 18.Qg6 Bg5 19.Rg5+- (19.Qg5?! Qg5 20.Rg5 b3+=)) 18.Nbc3 Nh6 19.Qf4 (better 19.Qf3 Rb8 20.Nd1=+) 19...Nf5?? (better 19...Rh4 20.Qf3 Bg5 21.Kd1 Rh1 22.Kc2 Nb4 23.Kb2 Bc1 24.Rc1 Rh4=+) 20.Bf5+- ef5 21.Ba3 (21.Ra6 Rh4 22.Qe3 Na5 23.Ra5 Qa5-/+; 21.Nd5 Nb4 22.Ndc3 Rc3 23.Nc3 Rh4-/+) 21...Rh5 22.Be7 Qe7?? (22...Ne7 23.Ra6 Rc6+-) 23.Nd5 (23.Ra6 Qb4 24.Rh3 Rh3 25.gh3 Qb2 26.Ke1 Nb4 27.Qh6 Kg8+-) 23...Qd8 (23...Qh4 24.Qe3 Nb4 25.Nb4 f4 26.Nf4 Rh7+-) 24.Nf6 Rh8 (24...Ne7 25.Nh5 Qb6+-) 25.Rg8 (25.Qh6! Rh6 26.Rg8 Ke7 27.Nd5 Ke6 28.Nef4) 25...Rg8= 26.Qh6 Ke7 27.Nf4 Be6 28.Ne6 Nd4?? (better 28...Ke6 29.Ng8 f6+-) 29.Ng8 (29.Nd8 Rgd8 30.Ra6 Nc6 31.Ke1 f4+-) 29...Ke8 (29...Qg8 30.Nd4 Qd8+-) 30.Nd8 (30.Nd8 Rd8 31.Ra6 Nb5 32.Ke1 Nc7 33.Ra7 Rd7 34.Nf6 Ke7 35.Nd7 f6 36.Qf6 Kd7 37.Qd6 Ke8 38.Rc7 f4 39.Qe7; 30.Qf8 Kd7 31.Qd6 Ke8 32.Ng7) 1–0. Krastev,Goran (2010) – Mladenov,Andrey, 7th Sofia Bulgaria, CSKA Open, 2010. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.Bd3 Bd7)

    9.Qg4 g6 10.Nf3 Na5 11.Ra5? (better is 11.Ba3=) 11...Qa5-+ 12.h4 h5 13.Qg3 0-0-0 (better is 13...Bb5!? 14.Ng5-+) 14.0-0 Nh6 15.Bg5 Bg5 16.Ng5 Rdf8 17.c4 Nf5 18.Bf5 gf5 19.Na3 f4! 20.Qd3 (20.Qf4 Qa3 Deflection) 20...f6 21.Nf3 Bc6 22.cd5 Qd5 23.Rc1 fe5 24.Rc6 (24.Rc5 e4 25.Qc3 Qc5 26.Qc5 (26.dc5? ef3 27.gf3 Rhg8 28.Kh2 Rf7-+) 26...ef3 27.Nb5+=) 24...bc6 25.Ne5 Kb7 26.Nc2 Rhg8 27.f3 Qb5 28.Qe4 a5 29.Na3 Qd5 30.Qd3 Qa2 31.Nc2 Rg7 32.Nc6 (32.Qe4 Qd5 33.Qd3-+) 32...Qb1 33.Kf2 (33.Qf1 Qf1 34.Kf1 Kc6 35.Ne1-+) 33...Rg2! 0–1. Abu Es Soud,Amin – Krause,Hans Ulrich, Baden–ch HT1, 1994. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Bd7 6.ab4 Bb4 7.c3 Be7 8.Bd3 Nc6)

    9.Nh3 Na5 10.Ra2 b5 11.0-0 Nc4 12.f4 f5 13.g4 (13.Bc4 dc4 14.Ba3 a5 15.Be7 Ne7 16.Qh5 Kf8+=) 13...g6 14.gf5 ef5 15.Ng5 Bg5 16.fg5 a5 17.Re1 Kf7 18.Na3 Na3 19.Ba3 Qg5 20.Rg2 Qd8 21.e6 (better is 21.Qf3!? Ke6 22.Rf1=) 21...Be6-/+ 22.Rge2 Bd7 23.Qb3 Bc6 24.Re6 Qg5 25.Kh1 Qd2 26.Bf1 a4?? (better is 26...Nf6 27.Re7 Kg8-/+) 27.Qb4= g5?? (27...Bd7 28.R6e2 Qf4 29.Re7 Ne7 30.Qe7 Kg8 31.Qd7+-) 28.Bc1 (better is 28.Qd6 Qe1 29.Re1+-) 28...Qf2 (better is 28...Qc1! 29.Rc1 Ke6+=) 29.R6e2 Qh4 30.Qd6 Ra7 31.Qc6 a3?? (31...Nf6+-) 32.Qd5 (better is 32.Qb6 Nf6 33.Qa7 Kg6+-) 32...Kg6 33.Re6 Nf6 34.Rf6! (34.Bb5?? Qe1 35.Re1 Nd5-+) 34...Kf6 35.Re6 Kg7 36.Qe5 Kf7 37.Qf6 (37.Qf6 Kg8 38.Re8) 1–0. Zala,G (2020) – Grimm,G (1835), FSFMA2 August, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    9.Nh3 a6 10.0-0 Qc7 11.Re1 0-0-0 (11...Ra7 12.Qg4 g6 13.Qf3=) 12.Re2 Na5 13.Na3 f6 (13...Qc3?? 14.Rc2 Qc2 15.Qc2 Nc6 16.Ng5+-) 14.f4 (14.Bf4 f5 15.Ng5+=) 14...g5 (14...Re8 15.c4=) 15.Rea2 (15.ef6 Nf6 16.Ng5 Rdf8+/-) 15...Nc4 (15...h6 16.ef6 Nf6 17.fg5 hg5 18.Bg5=) 16.Qf1 (16.ef6!? Nf6 17.fg5+/-) 16...Ba3 17.Ra3 (17.Ba3 Bb5+=) 17...Bb5 (17...g4 18.Bc4 Qc4 19.Qc4 dc4 20.Nf2-/+) 18.Rb3 g4 19.Nf2 f5 20.Rb5 (better is 20.Nd1!?=) 20...ab5-/+ 21.Be2 Kd7 22.Nd3 b6 23.Bg4? (23.Ba3 h6-/+ (23...Na3?! 24.Ra3 Ne7 25.Qa1+=)) 23...Ne7?? (better is 23...fg4 24.f5 Qb7-+) 24.Bf3 Ra8 25.Rb1 Ra5 26.Qd1 Rha8 27.Qb3 Nc6 28.g4? (better is 28.Nb4-/+) 28...fg4-+ 29.Bg2 Ne7 30.Nf2 Rg8 31.Qc2 Rg7 32.f5 (32.Nd1 Kd8-+) 32...ef5 (32...Nf5 33.Nd1-+) 33.Bd5 (33.Bf4 Qc6 34.Qb3-+) 33...Ne5 (better is 33...Nd5 34.Qf5 Ke8 35.Qe6 Ne7-+) 34.de5-/+ Qe5 35.Bg2 Qe1 (better is 35...g3!? 36.Nd3 gh2 37.Kh1 Qe6-/+) 36.Bf1= Exerts pressure on the isolated pawn 36...Qe5 Black prepares g3 37.Qd3 (37.Bg2!?=) 37...Kc8 38.Rb5 Rb5 39.Qb5 Qb5 40.Bb5 g3 41.Nd3 Nd5 42.c4 Nc3 43.Ba6 Kd8 44.Be3 Rg6 45.hg3 Rg3 46.Kf2 Ne4 47.Ke2 Rg6 48.Nf4 Rc6 (better is 48...Rd6!?=) 49.Nd5+/- Nc5? (better is 49...Rg6+/-) 50.Bg5+- Kd7 51.Bb5 Ne6 52.Be3 Nc5?? (52...Kd6 53.Bc6 Kc6 54.Ne7 Kb7 55.Nf5+-) 53.Bc5 (better is 53.Nb4+-) 53...bc5 54.Kf3 h5 55.Kf4 (55.Nf4!? Kc7 56.Bc6 Kc6 57.Nh5 Kd6+-) 55...h4 56.Bc6 Kc6 57.Ne7 (57.Kf5?? h3-+) 57...Kb6 58.Nf5 h3 59.Ke4 (better is 59.Kg3!? Ka5+-) 59...Kc6 (59...h2 60.Ng3 Kc6+-) 60.Ke5 1–0. Zala,G (2020) – Winkler,St1 (1860), FSFMA July Budapest HUN, 2011. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Nc6 8.Bd3 Bd7)

    9.Nh3 h6 10.Nf4 Qc7 11.Qh5?? (11.Ba3 Ba3 12.Ra3 Qd8=) 11...g5?? (11...Nd4 12.Nd2 Qc3 13.Rb1-+) 12.Nh3?? (12.Ne2 Na5=) 12...Ne5?? (better is 12...Nd4 13.0-0 Nb3-+) 13.de5+= Qe5 14.Qe2 (14.Be3 Bc5 15.Qe2 Be3 16.fe3 f5+=) 14...Qe2= 15.Ke2 (15.Be2 e5=) 15...e5+= 16.Be3 e4 17.Bc2 a6 18.Bd4 (18.Ng1 f5=) 18...Bf6+= 19.Ke3 Rc8 20.Ra5 (better is 20.Bb3!? Be6 21.Bf6 Nf6 22.Kd4+=) 20...Bd4-/+ 21.Kd4 Rc4 (21...Ne7!? 22.Ke3 d4 23.Ke4 Bc6 24.Kd4 Bg2-+) 22.Ke3+= Ne7 23.Kd2 Be6 24.Na3 Rc7 25.Ba4 Kd8 26.Rb1 b5 27.Bd1 Rc6 (27...Bc8 28.Nc2+=) 28.Nc2 Rd6 (28...Bh3 29.gh3 Rf6 30.Nd4+=) 29.Nb4 Bc8 30.Rba1 d4 31.Kc2? (31.Na6!? dc3 32.Kc3 Rd3 33.Kb2 Bh3 34.gh3 Rd2 35.Ka3 Rf2 36.Rb5+/-) 31...dc3 (31...Nc6!? 32.R5a2 Nb4 33.cb4 f5-/+) 32.Kc3-/+ Nd5 33.Nd5 Rd5 34.Be2 Kc7 35.Rd1 (35.Ra6 Ba6 36.Ra6 f5+=) 35...Rc5 (35...Rd1!? 36.Bd1 Rd8-+) 36.Kb4-/+ Rc2 37.Ng1 f5 38.Ra3 Re8 39.Rc3 Rc3 40.Kc3 Re6 41.Kb2 Kb6 42.Rd2 Bb7 43.g3 a5 44.Bd1 (44.Rd7 b4-/+) 44...a4 45.Ne2 e3 46.fe3 Re3 47.Nc1 (47.Bc2 Be4-/+) 47...a3 (47...Be4 48.Ne2-+) 48.Ka1 (48.Ka2 b4-/+) 48...b4 49.Bb3 (49.Rd6!? Kb5 50.Rh6-+) 49...Rc3 50.Rc2 Rc2 51.Bc2 Be4 52.Bd1 (52.Be4 fe4 53.Ka2 g4-+) 52...Kc5 (52...f4 53.gf4 gf4 54.Nb3-+) 53.Nb3 Kc4 54.Nd2 Kc3 55.Nb1 Bb1 56.Kb1 b3 57.Ka1 b2 58.Kb1 f4 59.g4 (59.Bf3 a2! 60.Ka2 Kc2 61.Be4 Kc1 62.gf4 gf4-+) 59...Kd2 (better is 59...a2!? 60.Ka2 Kd2 61.Bf3-+) 60.Bf3 Ke3 (60...Ke3 61.Bh1 f3-+) 0–1. Teichgraeber,Ludwig – Boersch,Guenter, Boppard–ch Germany, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

    9.h4 a6 10.Qh5 +=.

    9.h4 b5 10.Qg4 Kf8 11.Rh3 f5 12.Qf3 b4 13.g4 bc3 14.Ne2 c2 15.gf5 (15.Bc2 Bb4 16.Bd2 Nge7=) 15...cb1Q-/+ (15...cb1N 16.fe6 Nf6 17.ef6 Bb4 18.Kd1 gf6 19.ed7 (19.Bb1?! Be6 20.Bh6 Ke7+=; 19.Rb1?! Be6 20.Bh6 Ke8+-) 19...Nc3 20.Nc3 Bc3 21.Qd5+-; 15...cb1B?! 16.fe6 Nf6 17.ef6 Bf6 18.Ba3 Ne7 19.Rb1 Be6 20.Rg3+=) 16.fe6 (16.Bb1? ef5 17.Bf5 Bf5 18.Qf5 Ke8-+) 16...Nf6 17.Rb1 Be6 18.ef6 Bf6 19.Rg3 Bf7 20.h5 (20.Rb7 Rb8 21.Ba3 Kg8 22.Rg7 Kg7 23.Qg3 Bg5 24.Rb8 A) worse is 24...Qb8 25.Qg5 Bg6 26.h5+/- (26.Qd5?! Qc7 27.Qg5 Qa5 28.Qa5 Na5+=); B) 24...Nb8 25.hg5 Nc6+=) 20...a5 (better is 20...Nd4!? 21.Nd4 Bd4-/+) 21.h6= Nb4 (21...g6 22.Rb6 Rc8+= (22...Qb6?? 23.Qf6 Qb4 24.Bd2+-)) 22.Bf5 (22.hg7 Bg7 23.Ba3 Rb8=) 22...Qe7 (22...g6 23.Bd7-/+) 23.Kf1 (better is 23.hg7!? Bg7 24.Qg4+=) 23...g6-/+ 24.Bh3 Be6 (24...Kg8 25.Bd2+=) 25.Bg5 (25.Be6 Qe6 26.Bd2 Kf7 27.Bb4 ab4=) 25...Bh3 26.Rh3 Ra6 27.Rc1 (27.Nf4 Qf7 28.Rc1+-) 27...Kf7-/+ 28.Qf4 Rd8 29.Re3 Qf8 30.Rc7 Kg8 31.Rf3 Rdd6 32.Qg4 Re6?? (32...Qd8 33.Qc8 Qc8 34.Rc8 Kf7+/-) 33.Rf6 (better is 33.Bf6!? Rf6 34.Qd7 Qh6 35.Rc8 Qf8 36.Rf8 Kf8 37.Qd8 Kf7 38.Rf6 Rf6 39.Qa5 Nd3+-) 33...Rf6 34.Rc8 (34.Bf6 Rf6 35.Rc8 Rf2 36.Ke1 Rf1 37.Kd2+-) 34...Rf2= 35.Ke1 Nc2?? (35...Rf5 36.Rf8 Kf8+-) 36.Kd2+- Re2 (36...Rf5 37.Rf8 Kf8+-) 37.Ke2 Nd4 38.Kd3 (38.Qd4 Kf7 39.Rf8 Ke6 40.Qf6 Kd7 41.Rf7 Ke8 42.Qe7) 38...Nf5+- 39.Rf8 Kf8 40.Qa4 1–0. Kliukin,Boris P (2410) – Tratar,Marko (2450), Jacques Lemans op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

    9.h4 Qc7 10.Qg4 g6 11.h5 Ne5 (better is 11...Nb4 12.Qe2 Nd3 13.Qd3 g5+=) 12.de5+= Qe5 13.Qe2 Qe2 14.Ne2 Bf6 15.Na3 Ne7 16.hg6 hg6 17.Rh8 Bh8 18.Nb5 Bb5 19.Bb5 Nc6 20.Bc6 bc6 21.Ra6 c5 22.Be3 Rc8 23.Ra7 Bf6 24.Ra5 Be7 25.f4 f6 26.Ra6 Kf7 27.Ra7 Ke8 28.Ng1 Rb8 29.Nf3 Rb2 30.Ra8 Kf7 31.g4 Rb3 32.Kd2 Rb2 33.Kd1 Rb1 34.Bc1 Rb7 35.Rc8 Bd6 36.g5 Rc7 37.Rh8 Kg7 38.Rh6 d4 (better is 38...fg5!? 39.fg5 Bg3+/-) 39.Nh4+- fg5 40.fg5 Bg3 41.Rg6 Kf8 42.Rf6 Rf7 43.Ng6 Kg7 44.Nf4 Rf6 45.gf6 Kf7 46.c4 Bh2 47.Ke2 Kf6 48.Kf3 Kf5 49.Nd3 Bd6 50.Nf2 e5 51.Ba3 Bf8 52.Ne4 Be7 53.Bc5 (53.Nc5?! e4 54.Ke2 d3 55.Kd2 Bg5 56.Kd1 Be7+/-) 53...Bc5 54.Nc5 e4 55.Ne4 Ke5 56.Nd2 1–0. Rewitz,Poul (2295) – Pedersen,Sven2 (2115), 49th TCh–DEN XtraCon, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Bd7 8.Bd3 Nc6)

    9.h4 h5 10.g3 (10.Ne2 a5-/+ (10...Bh4?! 11.Nf4=)) 10...Qb6 (10...Rc8 11.Be2+=) 11.Nf3 (11.Be2 g6-/+) 11...Nh6 (11...a6 12.Ba3+=) 12.0-0 (12.Bh6 Rh6 (12...gh6?! 13.Ra2+=) 13.Nbd2 Rh8+=) 12...0-0-0 (better is 12...Ng8!?-/+) 13.Re1 (13.Nh2 g6=) 13...f6 (13...Ng4 14.Ra2=) 14.Re2 (14.ef6 Bf6 15.Na3 Rdg8+=) 14...fe5 (14...Ng4 15.ef6 gf6 16.Raa2=) 15.Rb2 (15.Ne5 Ne5 16.Re5 Be8=) 15...Qc7= 16.de5 (better is 16.Ne5!? Ne5 17.Ra7=) 16...Bc5 17.Bf4 (17.Bh6 gh6 18.Qe2 Rdf8-/+) 17...Ng4-/+ 18.Na3 (18.Raa2 Rhf8 (worse is 18...Nce5 19.Ne5 Ne5 20.Qe2 Nf3 21.Qf3+=) 19.Bg6 Bf2 20.Rf2 Be8-/+) 18...a6 (18...Nge5 19.Nb5 Qb8 20.Ne5 Ne5 21.Qe2 Bb5 22.Bb5+-; 18...Nce5 19.Ne5 g5 20.Nd7 (20.Ng4?? gf4 21.Kh1 fg3 22.fg3 Bc6-+) 20...gf4 21.Nc5 fg3 22.Qb3 (worse is 22.Ne6 gf2 23.Rf2 Nf2 24.Nc7 Nd1-/+) 22...gf2 23.Kf1 Nh2 24.Kf2 Qc5 25.Kg2 Rhg8 26.Kh1+=) 19.Qf1 Nb8 (better is 19...Rdg8!?-/+) 20.Nd4 Rdf8 21.Rab1 (better is 21.Qe1!?+=) 21...Ba3-/+ 22.Rb7 Qb7 23.Rb7 Kb7 24.f3 Rf4 25.gf4 Ne3 26.Qb1 Ka7 27.Kf2 Nc4 28.Bc4 dc4 29.Qg6 Bc5 30.Qg7 Bd4 31.cd4 Re8 32.f5+= ef5 33.d5 Kb6 34.Qf6 Kc5+= 35.Qd6 Kd4 1–0. Zala,Gyula (2175) – Mincsovics,Miklos (2135), HUN–chT2 Erkel, 2002. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Be7)

    9.Qh5 a5 10.Nf3 a4 11.0-0 Na5 12.Na3 Nb3 13.Ra2 Nc1 14.Rc1 Ba3 15.Ra3 Qe7 16.Rca1 b5 17.Nd2 (17.Bh7? g6 18.Qh3 Kf8-+) 17...Rb8 Black prepares the advance b4 18.Qe2 (18.Bh7? g6 19.Qh3 Kf8-+) 18...Nh6 19.Nf3 0-0 20.h4 b4 21.cb4 Rb4 22.Ng5 Nf5 23.Qh5 h6 24.Bf5 ef5 25.f4? (better is 25.Nf3!?-+) 25...Rd4 26.Rf3? (26.Nh3-+) 26...Qc5 27.Kh2 Qc4 28.Nh3 Rd3 29.Rff1 a3 30.Rfc1 Rc3 31.Rcb1 a2 32.Rb2 Ra8 (32...Ra8 33.Qe2 Qe2 34.Re2 Rca3-+) 0–1. Spasov,Ivaylo (1810) – Sisoev,Robert (1615), 22nd MGU Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

    9.Ne2 h5

    10.0-0 g6 A) 11.Nf4 Nh6 12.Na3 Nf5 13.Nc2 a5 14.Ne3 Ne3 15.fe3 0-016.Qc2 h4; B) 11.Ba3 Nh6 (11...h4 12.Nf4 g5 13.Nh5 h3 14.gh3 Qb6 15.Be7Ke7 16.Na3 Na5; 11...a5 12.Nf4 Nh6 13.Nd2 0-0 14.Qb3 Ba3 15.Ra3a4 16.Qb7 Rb8) 12.Be7 Ne7 13.Nd2 Nhf5 14.Nf4 0-0 15.h3 Qc716.Rc1 Bc6; C) 11.Nd2 Nh6 (11...a5 12.Rb1 Qc7 13.Nf4 Nh6 14.c4 dc4 15.Nc4Nb4 16.d5 ed5; 11...h4 12.Nf4 Nh6 13.Ba3 Ba3 14.Ra3 Qg5 15.Nh3Qe7 16.Qb3 Nf5; 11...Qc7 12.Nf4 Nh6 13.Ba3 0-0 14.Qb3 a515.Rfc1 Ba3 16.Qa3 a4) 12.Nf3 Nf5 13.Nf4 a5 14.Ba3 Ba3 15.Ra3Nce7 16.Qe2 Bc6; D) 11.Na3 Nh6 12.Nb5 Nf5 13.Bf5 ef5 14.Nd6 Bd6 15.ed6 Be616.Ba3 0-0.

    10.0-0 h4 A) 11.Na3 h3 (11...Nh6 12.Nf4 g5 13.Nh5 h3 14.Nb5 hg2 15.Kg2Nf5 16.Ba3 Kf8) 12.gh3 a6 13.Nf4 g5 14.Nh5 Qa5 15.Bb2 Qb616.Rb1 0-0-0; B) 11.h3 Nh6 (11...a5 12.Na3 Nh6 13.Nb5 Bc8 14.Nf4 0-0 15.Ba3Ba3 16.Ra3 b6) 12.Nf4 0-0 13.Qh5 Re8 14.Nd2 b5 15.Rd1 a5 16.Bb5Ne5; C) 11.Nd2 h3 (11...Nh6 12.Nf3 a5 13.Qb3 a4 14.Qb7 h3 15.Nf4hg2 16.Kg2 g5; 11...a5 12.Nf4 Nh6 13.Re1 a4 14.Ba3 Qa5 15.Nf3Qc3 16.Be7 Ne7) 12.gh3 Rh3 13.Nf4 Rh4 14.Ng2 Rh8 15.Ne3 Kf816.Qb3 a5; D) 11.Nf4 g5 12.Nh5 Qb6 13.Na3 Qa5 14.Bb2 Qb6 15.Rb1 Qa516.Nc2 h3.

    10.0-0 Nh6 A) 11.Na3 h4 (11...a6 12.Nf4 h4 13.Nc2 0-0 14.Qh5 Re8 15.Ba3 Na7 16.Be7 Qe7; 11...Nf5 12.Rb1 Bc8 13.Ng3 g6 14.Nf5 gf5 15.h3a6 16.Qe2 h4) 12.Nf4 g5 13.Nh5 h3 14.Nb5 hg2 15.Kg2 Nf5 16.Ba3Kf8; B) 11.Nd2 h4 (11...a5 12.Nf4 h4 13.Re1 a4 14.Ba3 Qa5 15.Nf30-0 16.Qc2 Rfc8) 12.Nf3 h3 13.gh3 g6 14.Ba3 Nf5 15.Be7 Qe716.Rb1 b6; C) 11.h3 h4 (11...Nf5 12.Nf4 g6 13.Nd2 a5 14.Bf5 gf5 15.Ba3Ba3 16.Ra3 Qh4; 11...g6 12.Nf4 Nf5 13.Nd2 b5 14.Bf5 gf5 15.Nh5a5 16.Nb3 a4; 11...a5 12.Na3 Nf5 13.Nf4 g6 14.Rb1 Bc8 15.Nb50-0 16.Qa4 Bd7) 12.Nd2 a5 13.Nf4 a4 14.Ba3 Ba3 15.Ra3 Qg516.Ne2 0-0; D) 11.Nf4 h4 (11...g6 12.Nd2 h4 13.Ba3 Ba3 14.Ra3 Qg5 15.Nh3Qe7 16.Qb3 0-0) 12.Qf3 0-0 13.Be3 f6 14.Qh5 h3 15.Qh3 fe516.Ng6 Bf6.

    10.Nf4= Qb6 A) 11.Na3 h4 (11...a6 12.0-0 0-0-0 13.Bd2 Nh6 14.Nc2 g6 15.Qe2 Qc7 16.Rfb1 Nb8; 11...Nh6 12.0-0 a6 13.Qe2 0-0-0 14.Nc2 Ng4 15.Bd2 g5 16.Rfb1 Qa7; 11...g6 12.0-0 Na5 13.Rb1 Qc6 14.Bb5 Qc8 15.Qa4 Nc6 16.Qb3 Nh6; 11...g5 12.Nh5 Nd4 13.Be3 Qb3 14.Ng7 Kf8 15.Ne6 fe6 16.Bd4 Qd1) 12.0-0 a6 13.Be3 Na5 14.c4 g5 15.c5 Qb2 16.Nh3 Nh6; B) 11.0-0 h4 (11...Nh6 12.Na3 a6 13.Qh5 0-0-0 14.Bd2 g5 15.Rfb1 Qc7 16.Nh3 g4) 12.Na3 a6 13.Qe2 Rc8 14.Rb1 Qc7 15.Nc2 Nh6 16.Ne3 b5.

    10.Nf4= h4 11.Ng6 (better is 11.Qf3!? Qb6 12.0-0= Nh6 13.Ba3 g5 14.Nh5 0-0-0 15.Be7 Ne7 16.Nf6 g4; 11.0-0 Nh6 (11...g5 12.Nh5 h3 13.gh3 Qc7 14.Qf3 0-0-0 15.Ba3 Be8 16.Ng7 Nh6) 12.Qf3 0-0 13.Nd2 a5 14.Ba3 a4 15.Rfb1 Ba3 16.Ra3 Qe7; 11.Ba3 g5 (11...a5 12.0-0 Nh6 13.Nd2 a4 14.Qf3 0-0 15.Rfb1 Ba3 16.Ra3 Qe7; 11...Nh6 12.0-0 a5 13.Nd2 a4 14.Re1 0-0 15.Qh5 Qa5 16.Nf3 Qc3; 11...b5 12.0-0 b4 13.Bb2 g5 14.Nh5 h3 15.gh3 Rc8 16.Nd2 Ne5; 11...Ba3 12.Na3 Qg5 13.Qf3 Nge7 14.Rb1 b6 15.0-0 0-0 16.Qe3 f6) 12.Nh5 h3 13.gh3 Qc7 14.Qf3 Ba3 15.Na3 Ne5 16.de5 Qc3; 11.Nd2 Nh6 12.Qf3 0-0 13.0-0 a5 14.Ba3 Ba3 15.Ra3 b5 16.Qh5 Qe7) 11...fg6-/+ 12.Bg6 Kf8 13.Qf3 Nf6 14.0-0 (14.Nd2 Be8 15.ef6 gf6-/+ (worse is 15...Bg6 16.fe7 Ke7 17.Nb3+=) 16.Bc2 e5) 14...Be8 (14...h3 15.ef6 gf6 16.g3-/+ (16.Bf4 Be8) 16...f5) 15.Be8 (15.ef6 Bf6 16.Be8 Qe8) 15...Ke8 (15...Qe8 16.ef6 Bf6 17.Re1-/+) 16.ef6+= gf6 17.Re1 Kf7 (17...h3 18.Re6 Kf7 19.Re2=) 18.Ra2 Qd7 (18...h3 19.Rae2 Qd7 20.Re6+=) 19.Rae2= Nd8 20.Bg5 (20.c4 Bb4 21.Bg5 Rf8+=) 20...Rc8 (20...h3 21.g3+=) 21.Re3 (21.h3 a5=) 21...Rc7 (21...h3!?+=) 22.Nd2 (22.Bf4 Rc6=) 22...b5 (22...h3 23.gh3 a5 24.h4=) 23.Nb3 (better is 23.h3+=) 23...f5?? (23...h3 24.gh3 Rg8 25.h4=) 24.Bf4 (better is 24.Re6! Ne6 25.Qf5 Kg8 26.Re6+-) 24...Rc4= 25.Be5 (25.h3 Rh7+=) 25...Rh7 (25...Rh6 26.Nd2 Ra4 27.Bf4=) 26.Nd2 (better is 26.h3=) 26...Qe8?? (better is 26...Ra4=) 27.Nc4+- bc4 28.Ra1 (28.Bc7 Rh6+-) 28...Nc6 29.Bf4 Qd7 30.Qd1 Rh8 31.Qa4 (31.h3 Bd6 32.Bd6 Qd6+-) 31...Bd8 (31...Rg8 32.h3+-) 32.Rae1 (better is 32.Qa6!?+-) 32...e5+/- 33.de5 Ke6?? (better is 33...Ne5 34.Qd7 Nd7+/-) 34.Qc2 (34.h3 Rg8+-) 34...Qg7 (34...d4 35.cd4 Qd5 36.Rc1+-) 35.Rh3 (better is 35.Rd1!? Bb6 36.Ree1 h3+-) 35...Qg4 36.Bg3! f4 (36...hg3 37.Rh8 Pinning (37.Rh8 Deflection)) 37.f3 Qf5 38.Qf5 (better is 38.Qa4 Kd7 39.Bf2+-) 38...Kf5+/- 39.Bf2 Ne5? (better is 39...Ba5 40.Rc1 Bd8+/-) 40.Re5!+- (40.Re5 Ke5 41.Bd4 Ke6 42.Bh8+-; 40.Ba7?! Bf6 41.Bd4 Nf7 42.g4 fg3 43.Bf6 gh2 44.Kh2 Kf6+=) 1–0. Frink,Ferenc (2255) – Szabo,Ba (2190), Open, Balatonlelle HUN, 2004.

    10.Nf4= Nh6 A) 11.0-0 h4 (11...g6 12.Nd2 Nf5 13.Bf5 gf5 14.Nh5 a5 15.Ba3 a4 16.Qf3 b5) 12.Qf3 0-0 13.Qh5 Re8 14.Nd2 b5 15.Nb3 a5 16.Nh3 Nf5; B) 11.Qf3 Qb6 (11...0-0 12.Qh5 Qc7 13.0-0 Rfe8 14.Nd5 ed5 15.Bh6 Bf8 16.Be3 g6; 11...Qc7 12.0-0 Ng4 13.Ba3 Nce5 14.de5 Ne5 15.Qe2 Bf6 16.Nd2 Qc3; 11...Ng4 12.0-0 Qb6 13.Nd2 0-0-0 14.Re1 g6 15.Rb1 Qc7 16.h3 Nh6) 12.Nh5 0-0-0 13.0-0 g6 14.Nf6 Bf6 15.ef6 e5 16.Qd5 Be6; C) 11.Na3 a6 (11...h4 12.Nb5 0-0 13.0-0 h3 14.Nh3 Nf5 15.Bf4 Na5 16.Nd6 Nc4; 11...g6 12.Nb5 Qb8 13.Rb1 h4 14.0-0 Nf5 15.Ba3 Ba3 16.Na3 Nce7; 11...Qa5 12.Bd2 0-0 13.Nh5 Ba3 14.0-0 Rfc8 15.Bc1 Qc3 16.Ra3 Qd4) 12.0-0 h4 13.Nc2 0-0 14.Qh5 Re8 15.Ne3 b5 16.Bb2 a5; D) 11.Qh5 Qb6 (11...g5 12.Ne2 Qb6 13.Bg5 0-0-0 14.Bh6 Bf8 15.Na3 Rh6 16.Qg5 Rh8; 11...a5 12.0-0 a4 13.Na3 Na5 14.c4 Nc4 15.Nc4 dc4 16.Bc4 a3; 11...Na5 12.Nd2 Qc7 13.Bb2 g5 14.Nh3 0-0-0 15.Ng5 Nf5 16.Nh7 Qb6) 12.0-0 g5 13.Nh3 Nd4 14.Bg5 Bg5 15.Ng5 Nb3 16.Ra2 0-0-0.

    8.Bd3 f5

    9.Ba3 Ba3 10.Na3 Nge7 11.Nb5 0-0 12.Nd6 Qd7 13.Ne2 Nd8 14.Nf4 Nf7 15.Nb5 a6 16.g4 fg4 17.Qg4 Nh6 18.Qg5 Nef5 19.Rg1 Qe7?? (better is 19...b6 20.Nd6 Qc7+= (worse is 20...Nd6 21.Qh6 Nf5 22.Bf5 Rf5 23.Nh5+/-)) 20.Qe7+/- Ne7 21.Nc7 Rb8? (better is 21...Rf4!? 22.Na8 Rh4+/-) 22.Nfe6+- (22.Nce6?! Rf7+/-) 22...Be6 23.Ne6 Rf7 24.Ng5 Rf4 25.Bh7 Kh8 26.Bd3 Rc8 27.Ra3 (better is 27.Ne6!? Rf7 28.Ra3+-) 27...Rd4+/- 28.cd4 Rc1 29.Ke2 Rg1 30.Nf3 Rc1 31.Rb3 Rc7 32.h3 Nhf5 33.Rb6 Kg8 34.Kd2 Kh8 (34...Kf8!?+=) 35.Rd6!+/- Nd6 (better is 35...g6!?+/-) 36.ed6+- Rc8 37.de7 Re8 38.Ne5 Kg8 39.Be2 Re7 40.Bf3 g5 41.Bd5 Kg7 42.Kd3 Kf6 43.Kc4 Rc7 44.Kb4 Rc2 45.Kb3 Rc7 46.Ka4 b6 47.Kb4 Ke7 48.Nc4 b5 49.Ne3 Kd6 (49...Rc1 50.Bb7 Rb1 51.Kc5 Rc1 52.Kb6+-) 50.Ka5 Rc3 51.Ka6 b4 52.Kb5 b3 53.Be4 Rc8 54.Kb4 Rb8 55.Kc3 Rb5 56.Bd3 Rb8 57.Kb2 Rh8 58.Bf5 Rb8 59.Be4 Rh8 60.Kb3 Rh3 61.Kc4 White prepares the advance d5 61...Rh8 62.Kd3 Rb8 63.Nc4 Ke7 64.d5 Kf6 65.Kd4 g4 66.d6 g3 (66...Ke6 67.Kc5 Rc8 68.Bc6+-) 67.f4 (better is 67.fg3 Rb3 68.g4 Rb8+-) 67...Rg8 68.Ne3 Rg7 69.Kd5 Ra7 (69...Rg8 70.Kc6 Rc8 71.Kb6+-) 70.Kc6 (70.Ng4 Kg7 71.Ne5 Ra8+-) 70...Ra4 (70...Kf7 71.Nd5 Ra6 72.Nb6+-) 71.d7 (better is 71.Ng4 Kf7 72.Ne5 Ke6 73.d7+-) 71...Ke7 72.Nf5 Kd8 73.Ng3 Ra6 74.Kb5 Rd6 (74...Ra3 75.Nf5 Kd7+-) 75.Bc6 Rf6 (75...Kc7 76.Nf5 Rf6 77.Nd4+-) 76.f5 (better is 76.Ne4 Rf4 77.Nc5 Rf5+-) 76...Kc7 77.Ne4 Rf5 78.Nc5 Re5 (78...Rh5 79.Kc4 Rh4 80.Kc3 Rh3 81.Kd4 Rh4 82.Be4+-) 79.Kc4 Re7 (79...Re1 80.Bb5 Re2+-) 80.Kd5 Re1 81.Ne6 1–0. Kiss,Judit (2220) – Bagdi,Timea, HUN–ch U16 Girls, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 f5)

    9.Ne2 a6 10.0-0 g6 11.c4 Nb4 12.c5 Kf7 (12...Bd7 13.Nf4=) 13.Ng3 (13.Ba3 Nd3 14.Qd3 a5+=) 13...Bd7 (13...b6 14.cb6 Qb6 15.Be2=+) 14.Nc3 Nd3 (14...b6 15.cb6 Qb6 16.Be2=) 15.Qd3 Kg7 16.Nge2 (16.Ba3 Qf8=) 16...Nh6 (16...b5 17.Nf4=) 17.h3 (17.Bh6 Kh6 18.Rfb1 Qc8+=) 17...Nf7 18.Nf4 Qc8 (18...b5 19.c6 Bc8 20.Nb5=) 19.Qg3 Rg8 (19...Qc6 20.Na4=) 20.Nh5 (20.Bd2 a5+=) 20...Kh8= 21.Nf6 (21.Nf4 g5 22.Nd3 b5=) 21...Rg7 (21...Bf6!? 22.ef6 Qd8=+) 22.Nd7 Qd7 23.Na4 Rb8 24.Nb6 Qe8 25.h4 (25.Bd2 Kg8+=) 25...h6 (25...Qd8 26.h5=) 26.Kh2 (26.Nd5 ed5 27.e6 Kh7 28.ef7 Rf7=) 26...Kh7 (26...Qd8 27.h5 gh5 28.Qf3=+) 27.Rh1 Nd8 28.Kg1 Rg8 29.Qe3 Bf8 30.Ra3 Nc6 31.Bd2 Qf7 32.Rd3 Rd8 33.Qe2? (33.Rh3 Bg7=) 33...Be7 (33...Nd4 34.Rd4 Bc5 35.Qe3-/+) 34.g4? (better 34.Rh2=) 34...fg4-+ 35.Qg4 (35.Qe3!? Qf8 36.Na4 Qg7-+) 35...Qf5 36.Qg3 Rdf8 (better 36...Nd4 37.Rd4 Bc5-+) 37.f4? (37.Na4 Rg7-+) 37...Qe4 (37...Nd4 38.Kh2 Ne2 39.Qf3 Nf4 40.Bf4 Qf4 41.Qf4 Rf4 42.Kg3-+) 38.Nd7? (38.Qe3 Bd8-+) 38...Rf7 (better 38...Nd4 39.Nf8 Rf8-+) 39.Kh2?? (39.Qe3 Bd8 40.Nf6 Bf6 41.ef6 Rf6-+) 39...Bd8 (better 39...Bh4 40.Qh4 Qd3-+) 40.Nf6 Bf6 41.ef6 Rf6 (41...Nd4 42.Re1 Nf5 43.Re4 de4 44.Qe1 ed3 45.Qe6-+) 42.Re1 Qf5 43.Rg1 (43.Qh3 Re8-+) 43...Rf7 44.h5?! (44.Qe3-+) 44...Qh5 45.Kg2 (45.Qh3 Qh3 46.Kh3 Kg7-+) 45...Qe2 46.Kh1 Rf5 (better 46...Qe4!? 47.Rg2-+) 47.Rg2 (47.Re1 Qh5 48.Qh2 Qh2 49.Kh2-+) 47…Qf1 (47...Qf1 48.Kh2 Rh5 49.Qh3 Qd3 50.Qh5 gh5-+) 0–1. Kelder,Hendrek – Shipov,S (2540), 16th Puhajarve Rapid, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Be7 8.Bd3 f5)

    9.Ne2 Bd7 10.Qb3 Qc7 11.h4 +=.

    9.Ne2 Bg5 10.Ba3 Nge7 11.h4 Bh6 12.Nd2 0-0 13.Nf3 Re8 14.Ng5 Ng6 15.f4 Nh8 16.Ng1 g6 17.N1f3 Nf7 (17...Bg7 18.0-0=) 18.Ra2 Bd7 19.g4 fg4? (19...Ne7 20.h5 Ng5 21.Ng5 Bg5 22.fg5 Qc7+-) 20.Nf7+- Kf7 21.Ng5 Kg8 22.Qg4 Bg5?? (better 22...Qa5 23.Nh7 Qc3 24.Rd2 Qa1 (24...Qa3?? 25.Qg6 Bg7 26.Nf6 Kf8 27.Nd7 Ke7 28.Qg7 Kd8 29.Nc5 Qc1 30.Rd1 Qe3 31.Be2+-) 25.Rd1 Qc3 (25...Qa3 26.Qg6 Bg7 27.Nf6 Kf8 28.Qh7 Ne7 29.Rg1 Qc3 30.Kf1 Qd3 31.Rd3 Nf5 32.Qg8 Ke7 33.Rg7 Ng7 34.Qg7 Kd8 35.Qd7) 26.Kf1 Ne7 (26...Qa3 27.Qg6 Bg7 28.Nf6 Kf8 29.Qh7 Ne7 30.Rg1 Qd3 31.Rd3 Nf5 32.Qg8 Ke7 33.Rg7 Ng7 34.Qg7 Kd8 35.Qd7; 26...Nd4?? 27.Qg6 Kh8 28.Nf6 Qd3 29.Rd3 Re7 30.Qh6 Rh7 31.Qh7) 27.Nf6 Kf7+-) 23.hg5+- (worse 23.fg5 Qa5 24.Kd2 Rec8=+) 23...Qa5 24.Rh7 Qc3 (24...Kh7?? 25.Qh5 Kg8 26.Qg6 Kh8 27.Rh2) 25.Rd2 Qa3 (25...Kh7?? 26.Qh5 Kg8 27.Qg6 Kh8 28.Qh7) 26.Qh4 (26.Qh3 Qc1 27.Rd1 Qe3 28.Qe3+-) 26...Qa1?? (26...Rf8 A) 27.Rd7?! Qc1 28.Rd1 Qe3 29.Be2 Qg1 (29...Rf4?? 30.Qh7 Kf8 31.Qh8) 30.Bf1 Qe3 31.Be2 Qg1 (31...Rf4 32.Qh7 Kf8 33.Qh8) 32.Bf1 Qe3 33.Be2=; B) 27.Qh3 Qc1 28.Rd1 Qc3 29.Kf1 Ne5 30.Qh6 Rf4 31.Kg2 Rg4 32.Kh1 Rh4 33.Qh4+-) 27.Ke2 (27.Kf2 Qf1 28.Kf1 Rf8 29.Qh6 Rf4 30.Ke1 Rf1 31.Bf1 Nd4 32.Qg7) 27...Nd4+= 28.Kf2 (better 28.Ke3 Qg1 29.Rf2 Qe1 30.Kd4 Qf2 31.Qf2 Kh7 32.Qh4 Kg8 33.Bg6=) 28...Rf8?? (28...Qe1 29.Ke1 Nf3 30.Ke2 Nh4 31.Rh4=) 29.Bg6 (better 29.Rh8 Kf7 30.Qh7 Ke8 31.Bg6 Kd8 32.Rf8 Kc7 33.Ra8+-) 29...Rf4?? (better 29...Qe1! 30.Ke1 Nf3 31.Kd1 Nh4 32.Rh4 Kg7=) 30.Qf4+- Rf8 31.Rf7 (31.Rh8! Kg7 32.Qf8 Kg6 33.Qf6) 31...Qa3 (31...Nf5 32.Rf8 Kf8+-) 32.Rf8 (32.Rf8 Qf8 33.Rd4 Qf4 34.Rf4+-; 32.Bh7 Kh8 33.Qf6) 1–0. Pijpers,A (2490) – Lahaye,R (2410), 11th dMP Batavia Blitz (5), 2019. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Be7 8.Bd3 f5)

    9.Ne2 Bg5 10.Bg5 Qg5 11.0-0 Nge7 12.f4 Qh5 13.Na3 0-0 14.Nb5 Bd7 15.Nd6 Rab8 16.Rf3 Nc8 17.Rh3 Qg6 18.Rg3 Qh5 19.Rh3 ½–½. Migliorini,Roberto (1980) – Cisnero,Juan Jose (2040), SEMI Zilbermints Benoni–A email, 2002. (=1.d4 c5 2.b4 cb4+= 3.e4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.Bd3 f5)

    9.Ne2 g6 10.g4 (better is 10.Ng1!?=) 10...fg4 11.Ng3 (better is 11.Rg1!?-/+) 11...Bg5-+ 12.Ba3 (12.f4 gf3! 13.Bg5 Qg5 14.Qf3 Qc1 15.Ke2 Qb2 16.Nd2 Rb8-+) 12...Nh6 13.h3 (13.Nf1 Bd7-+) 13...gh3 (13...Qa5 14.hg4 a6 15.Kf1+=) 14.Rh3 Nf5 (14...Bd7 15.Qf3-+) 15.Nh5 (15.Nf1 a5-+) 15...Kd7 (15...gh5 16.Bf5 ef5 17.Qh5 Kd7 18.Rg3-/+) 16.Bf5-/+ ef5 (16...gh5 17.Bd3 h4+=) 17.f4 Bh4 18.Ng3 Be7 (18...Ke8 19.Qd3-/+) 19.Kd2 (19.Qa4!?+=) 19...Kc7 20.Qh1 (20.Nf1 b5-/+) 20...h5 (20...Na5 21.Bd6 Bd6 22.Ra5+=) 21.Be7 (21.Nf1 Be6-/+) 21...Ne7 (21...Qe7 Not 22.Qd5 h4 23.Nf1=) 22.Na3 (22.Nf1 Bd7-+) 22...Bd7 (22...a6 23.Nb5 Kc6 24.Nd6=) 23.c4 Bc6 24.Nb5? Bb5 25.cb5-/+ Kd7 26.Ne2 Qb6 27.Rd3 Rhc8 28.Nc3 Ke6 29.Qh4? Rc7 30.Qf6+- Kd7 31.Qe7!! (31.Qe7 Ke7 32.Nd5 Ke8 33.Nb6+-) 1–0. Frink,Ferenc (2230) – Berenyi,Gabor (2230), Balatonlelle op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    9.Ne2 Nh6 10.Bh6 gh6 11.g3 0-0 12.h4 Kh8 13.Nf4 Rg8 14.Kf1 (14.Nd2 Bd7=) 14...Bd7 15.Na3 Rc8 16.Qh5? (16.Ke1 Qb6 17.Nc2 Qb2=) 16...Ba3 (better is 16...Qa5!? 17.Qd1 Qc3-/+) 17.Ra3+= Qf8 18.Ra1 a6 (18...Rg4 19.Rb1 Nd8 20.Rb3-/+) 19.Kg2 (19.Qf3!?=) 19...Nd8 20.Rhc1 Rg4 21.Kh2 Rc6 22.Ra5 (22.Kh3 b5-/+) 22...Rb6 (22...b5!?-/+) 23.Rb1 Rb1 24.Bb1 Nc6 25.Rc5 (25.Ra1 Kg8+=) 25...Rf4 26.gf4 b6 ½–½. Bonafede,A (2350) – Kyas,J (2195), Porto Mannu ITA, 5th Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 f5)

    9.Be3 b6 (9...a5 10.Nf3 b6 11.Qe2 Bd7 12.0-0 Kf7 13.Na3 a4=) 10.Nf3 a5 11.Qe2 Bb7 12.Bb5 Kf7 13.0-0 Kg6 =.

    9.Nf3 a5 10.0-0 b6 11.Qe2 Bb7 12.Bb5 Qc8 13.Ra4 Ba6 =.

    9.Nf3 a6 10.0-0 Bd7 11.Na3 Na5 12.Nd2 b5 13.Qh5 g6 +=.

    9.Nf3 b6= 10.0-0 Bb7 11.Be3 a5 12.Nbd2 Qd7 13.Qc2 Ba6 =.

    9.Nf3 Bd7 10.0-0 a6 11.Nbd2 Nh6 12.Nb3 Nf7 13.Ba3 0-0 =.

    9.Nf3 Bd7 10.0-0 Rc8 11.Kh1 a6 12.Rg1 h5 13.Qd2 Na5 14.Bc2 Nc4 15.Qf4 Nh6 16.h4 g6 17.Qg3 Kf7 18.Ng5 Kg7 19.Bd1 Nf7 20.Nf3 Rc7 21.Kh2 Bb5 22.Kh3 Rc6 23.Ne1 Bh4 24.Qh4+= g5 25.Bg5 Ng5 26.Kh2 Ne4 27.Qf4 Qg5 28.Qg5 Ng5 29.f3 Ne3 30.Bc2 Nf1 31.Kh1 Ng3 32.Kh2 Ne2 33.Bd3 Ng1 34.Kg1 Bd3 35.Nd3 h4 36.Nc5 h3 37.Ra2 Rb6 38.Nd2 hg2 39.Kg2 Kf7 40.Ndb3 Rb5 41.Na5 Rb1 42.Nab7 Rbh1 43.Ra6 f4 44.Nd8 Kg6 (44...Kg6 45.Re6 Ne6 46.Nde6 R8h2#; 44...Kg8 45.Nde6 R8h2) 0–1. Kluger,C (2080) – Lester,G (1950), Australian Open, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    9.g4 Bg5 10.Ba3 Nh6 11.gf5 Nf5 12.Nh3 Be7 13.Rg1 Ba3 14.Na3 Qh4 (14...0-0!?+=) 15.Bf5= ef5 16.Qf3 Nd4 17.cd4 Qd4 18.Ra2 0-0 (18...Qe5?? 19.Re2 Qe2 20.Qe2 Kd8 21.Ng5+-) 19.Qg3 g6 20.f4 b5 (20...Be6 21.Ng5 Qb4 22.Kd1+/-) 21.Ng5 (21.Rd2!? Qe4 22.Kf2+/-) 21...Qb6+= 22.Rag2 Qa5 (22...a6!?+=) 23.Kd1 Qa4? (better is 23...Qb6+/-) 24.Nc2+- Re8 (24...Rf7+-) 25.Nh7! Re6 (25...Kh7 26.Qg6 Mate attack) 26.Nf6 (26.Qg6 Rg6 27.Rg6 Kh7 28.Rg7 Kh6 29.R7g3 Qc2 30.Kc2 a5 31.Rh3) 26...Kf8 27.Qg6 Ke7 (27...Qa1 28.Na1 Rf6 29.Qf6 Ke8 30.Rg8 Kd7 31.R1g7) 28.Qe8 1–0. Chehayeb,Salah (1980) – Uppal,Abraham (2075), Kalamazoo op1, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 f5)

    9.g4 Bg5 10.gf5 Bc1 11.Qc1 ef5 12.Nf3 Nge7 13.Rg1 0-0 14.Ng5 Ng6 15.f4 h6 16.Nh3 Qh4 17.Rg3 Be6 18.Qe3 Nh8 19.Nd2 Rae8 20.Kf2 Qd8 21.Rag1 Re7 22.Qe2 Qe8 23.Nf3 a6 24.Nh4 b5 25.Ng6 Ng6 26.Rg6 Kh8 27.Qh5 Nd8 28.Ng5 Bg8 29.Nf3 (29.Rg3 Ne6 30.Ne6 Re6+=) 29...Bh7-/+ 30.Nh4 Ne6 31.Qf3 Ref7 (worse is 31...Bg6 32.Ng6 Kh7 33.Qd5=) 32.Ke3 Qc6 (32...Bg6 33.Ng6 Kg8 34.Nf8 Rf8 35.Qd5+=) 33.Rc1 Bg6 34.Ng6 Kg8 35.Nf8 Rf8 36.Rc2 Qd7 (36...g5 37.fg5 f4 38.Kf2 Ng5 39.Qg4-/+) 37.Ra2 (37.Qh5 Qf7 38.Qf7 Rf7= (worse is 38...Kf7 39.Bf5 g6 40.Bd3=)) 37...Nc7 38.Qh5 Qf7 (38...Kh7 39.Kd2-/+) 39.Qh3 Kh7 40.Rg2 Qe6 41.Rg5 g6 42.Rg1 Kg7 43.Qg2 a5 (43...Rg8!?-/+) 44.h4= h5 45.Qe2 Kh6 46.Bb5 Qe7 47.Qg2 Rg8 48.Qg5 Qg5 49.fg5 Kg7 50.Bc6 Rb8 51.Ra1 Rb6 52.Bd7 Ra6 53.Kd3 Kf7 54.c4 Ke7 55.Bb5 Ra7 56.Bc6 Ke6 57.Bd5 (better is 57.Rb1!? dc4 58.Kc4+-) 57...Nd5= 58.cd5 Kd5 59.Rc1 (59.Rb1 Ra6 60.Rb5 Ke6 61.Rb3=) 59...a4= 60.Rc5 Ke6 61.Rc6 Kf7 62.Kc2 a3 63.Kb1 Ra4 64.d5 White prepares e6 64...Rh4 65.Rf6 Ke7 66.d6 Kd7 67.Rf7 Ke8?? (better is 67...Kc6 68.Rc7 Kb6+/-) 68.e6 Rd4 69.d7 Kd8 (69...Rd7 70.ed7 Kd8 71.Rf5 Kd7+-) 70.Rf8 (70.Rf8 Ke7 71.Re8 Kd6 72.d8Q Ke5 73.Qc7 Ke4 74.Rd8 a2 75.Ka2 Ra4 76.Kb3+-) 1–0. Gietl,Thomas (2300) – Hoffmann,Hans (2210), Boeblingen op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 f5)

    9.g4 g6 10.Ne2 fg4 11.h3 gh3 12.Rh3 g5 13.Rh7 Rh7 =.

    9.g4 g6 10.gf5 ef5 11.Ne2 Be6 12.Nf4 Qd7 13.Ne6 Qe6 +=.

    9.g4 g6 10.gf5 ef5 11.Nf3 Be6 12.h4 Qd7 13.Ng5 Bg5 14.Bg5 h6 15.Bc1 Nge7 16.f4 h5 17.Ba3 Ng8 18.Nd2 Nh6 19.Nf3 Kf7 20.Ng5 Kg7 21.Bb5 Ng4 22.Qf3 Kh6 23.Rd1 Rhe8 24.Ne6 Re6 25.c4 dc4 26.d5?? (better is 26.Bc4 Ree8 27.d5 Nce5 28.fe5 Re5 29.Be2=) 26...Nce5-+ 27.Bd7 Nf3 28.Kf1 Ra6 29.Bc1 (29.Ra1 Rd8 30.Kg2-+) 29...Ra2 30.Bd2 Nd2 (30...Nd2 31.Rd2 Rd2-+) 0–1. Koltanyi,Imre (2065) – Hugyecz,Andras (2145), HUN–chT2 Erkel, 2006. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.g4 g6 10.gf5 ef5 11.Nh3 Bh4 (11...Be6 12.Nf4 Qd7 13.Na3 a6+=) 12.Na3 (12.Rg1 Be6 13.Nf4 Qd7=) 12...Be7 (12...Qa5 13.Bd2 Be7=) 13.Nf4 Ba3 (13...Qa5!? 14.Bb2 Ba3 15.Ra3 Qd8=) 14.Ba3+= Nge7 15.Qf3 Kf7 16.Bd6 Be6 17.Qg2 Nc8 18.Ne6 Ke6 19.c4 Kf7 20.Qd5 Kg7 21.Rb1 (21.c5!?+/-) 21...Nd6= 22.ed6 Rb8 23.Kd2 (23.Rg1 Re8 24.Kf1 Qh4 25.Bf5 Qf6+=) 23...Qh4+= 24.Kc3 (24.f3 Qf4 25.Kd1 Nd4-/+) 24...Qf2 25.Rb2 Qh4 (25...Qe3!?-/+) 26.Rhb1= Kh6 27.Bf5 (worse is 27.Rb7 Rb7 28.Rb7 Qe1 29.Kc2 Nb4 30.Rb4 Qb4-+) 27...gf5?? (better is 27...Rhe8 28.Bd3 Re3+=) 28.Qe6+- Kh5 29.Qf5 Kh6 (29...Qg5 30.Qh3 Kg6+-) 30.Qe6 1–0. Simonsen,Olavur (2065) – Jakobsen,Ole (2385), 5th VISA Nordic Grand Prix, Torshavn, F, 1997.

    9.Nh3 g6 10.Nf4 a6 11.g4 Bg5 (11...fg4 12.Qg4 Nh6 13.Qh3=) 12.gf5 ef5 13.Na3 Bf4 14.Bf4 Be6 15.h4 h6 16.Qb1 Ra7 17.Be3 Qd7 18.Rg1 Kf7 19.Qc1 Rh7 20.h5 g5 (20...gh5 21.Qd1 Decoy) 21.Bg5 (better is 21.f4=) 21...hg5-/+ 22.Qg5 Nge7 23.Qf6 Ke8 24.h6 Qc8 25.Rg7 Rg7 26.hg7 Kd7 27.Ke2 Ng8 (27...Qc7!?-/+) 28.Qf8 Nce7 29.Nb5 Ra8 30.Nd6 Increasing the pressure on the isolated pawn on f5 30...Qf8 (30...Qc3?? 31.Qa8 Qb2 32.Kf3 Qa1 33.Bb5 ab5 34.Qa1+-) 31.gf8Q Rf8 32.Nb7 Bf7 33.Ra6 Bh5 34.f3 Rb8 35.Bb5 (35.Nc5!? Ke8 36.Ne6+=) 35...Kc7= 36.Nd6 Nc8 (36...f4!?=) 37.Rc6+= Kd8 38.Nc8 (38.Nf5!? Rb5 39.Rc8 Kc8 40.Nd6 Kd7 41.Nb5+=) 38...Rc8 39.Rc8 Kc8 40.c4 Bf7 41.cd5 Bd5 42.Ke3 Ne7 43.Kf4 Be6 (43...Kd8!?=) 44.Bd3 Nd5? (better is 44...Kd8!?+=) 45.Kg5+- f4 (45...Ne3 46.Kf6 Bd5 47.Bf5 Nf5 48.Kf5 Bf3+/-) 46.Bc4 (46.Be4 Ne7+-) 46...Kd7? (better is 46...Nc7 47.Be2 Nd5+/-) 47.Bd5+- Bd5 48.Kf4 Ke6 49.Kg5?? (better is 49.Kg4+-) 49...Bf3= ½–½. Pundt,Wilfried (1950) – Buerckner,Hartmut (2165), Oberliga Nord W, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 f5)

    9.Qh5 g6 10.Qf3 Nb8 +=.

    9.Qh5 g6 10.Qh3 h5 11.g4 (11.Ne2 g5=) 11...Nh6 12.gh5 Ng4 13.h6 Bh4 14.Ra2 Nh6 15.Nf3 Ng4 (15...Nf7 16.Nh4 Rh4 17.Qg3-/+) 16.Kf1 (16.Qg2 Rg8=) 16...Kf7 (16...Kd7 17.Nh4 Rh4 18.Qg2=) 17.Nh4 Qh4 18.Qh4 Rh4 19.h3 Bd7 20.Kg2 Rah8 21.f3 Nh6 22.Bg5 Rh5 23.f4 Ng8 24.Nd2 Nge7 25.Nf3 Ra8 26.Be2 Rhh8 27.Bf6 Rhc8 28.h4 Ng8 29.Bg5 (29.Ng5 Ke8+=) 29...Nce7 30.Ra3 b5 31.h5 gh5 32.Rh5 a5 33.Rh7 Kg6 (33...Kf8 34.Kf2+=) 34.Rh1 (better is 34.Re7 Ne7 35.Be7+=) 34...b4-/+ 35.Nh4 Kg7 36.cb4 ab4 37.Rg3 Ra3?? (37...Kf7 38.Bh5 Kf8 39.Bf6 Rc2 40.Kh3 Nf6 41.ef6+=) 38.Bf6?? (better is 38.Bh6! Kf7 39.Bh5 Ng6 40.Bg6 (worse is 40.Rg6 Rc2 41.Be2 Re2 42.Kf1 Bb5 43.Rg7 Ke8 44.Rg8 Kd7 45.Rd8 Kd8 46.Bg5 Kd7 47.Nf3 Ra1 48.Ne1 Rae1) 40...Ke7 41.Bg5 Kf8 42.Ra3 ba3 43.Ra1+-) 38...Kf8+= 39.Rg8?? Kg8 40.Be7 Ra2 41.Kf2 Bb5 42.Bb4 Be2 43.Ng6 0–1. Shchukin,Igor – Grinev,Valeriy, Stepichev Memorial, 2002. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 f5)

    8.Bd3 h5

    9.Ba3 Bd7 10.Nf3 Nh6 (10...h4 11.0-0=) 11.Be7 Qe7 12.Qb3 0-0 (12...b6 13.0-0=) 13.0-0 (13.Qb7 Rab8 14.Qa6 Rb6=) 13...b6 14.Na3 (14.Nbd2 f6=) 14...Na5 (14...f6 15.Rfe1=+) 15.Qa2 Rfc8 16.Rfc1 Nf5 17.c4 (17.Ba6 Rc7=+) 17...dc4 18.Nc4 Black gets strong play along the open c–file 18...Bc6 19.Ncd2 Bd5 20.Qb2 Nh4 21.Nh4 (21.Be2 Rc1 22.Rc1 Nf3 23.Bf3 Bf3 24.Nf3 Qd8=+) 21...Qh4-/+ 22.Ba6 (22.Rc8 Rc8 23.Re1 Qg4-/+) 22...Rd8 (22...Rc1!? 23.Rc1 Nc6-+) 23.Ra3 (23.Rc7 Qg5 24.g3 h4=+) 23...Qf4 (23...Nc6 24.Rd3-/+) 24.g3=+ Qg4 25.f3 Qg5 26.Nf1 (26.Rc7 Rdb8=+) 26...h4-/+ 27.f4 (27.Rc7 Qg6-/+) 27...Qg6 28.Bd3 Qh6 (28...Qh5 29.Rac3-/+) 29.Qf2 (29.Kf2 hg3 30.hg3 Qh1-/+) 29...Rac8 30.Rac3 Rc3 31.Rc3 Nb3 (31...Qh5 32.Rc7-/+) 32.Bc2 (32.gh4 f6 33.f5=+) 32...Na5 (32...hg3 33.Ng3 Na5 34.f5-/+) 33.g4 White intends f5 (33.Bd3 Nc6-/+) 33...g5 (33...Nc6 34.Rh3 g5 35.Ba4-/+) 34.f5=+ Nc4 35.Bb3 (35.Ne3 b5=+) 35...b5 36.Ne3 Rc8 (36...Ne3 37.Qe3 b4 38.Rd3-/+) 37.Nd5 (37.Qa2!?=) 37...ed5=+ 38.f6 b4 (38...a5 39.Qf5 Rd8 40.e6 fe6 41.Qe6 Kh8 42.Bc4 dc4 43.Rf3=) 39.Qf5 bc3 (better 39...Rc7 40.Rc2 Kh8=) 40.Qc8+- Qf8 41.Qc6 (41.Qf5 Kh8 42.Qg5+-) 41...Qb8?? (41...Qd8=) 42.Bc4?? (42.e6 c2 43.Bc2 Na5 44.Qd5 Kh8 45.Qg5 Qf8 46.Qh4 Qh6 47.Qh6 Kg8 48.Qg7) 42...dc4-/+ 43.e6?? (better 43.Qe4 Qb6 44.Qe3=+) 43...Qb1-+ 44.Kf2 Do you see the mate threat? 44...Qc2 45.Kf1 (45.Ke1 Qd2 46.Kf1 Qd1 47.Kg2 Qe2 48.Kg1 Qe6 49.Qa8 Kh7-+) 45...Qd3 (45...Qd1 46.Kg2 Qe2 47.Kg1 Qe1 48.Kg2 Qe6 49.Qa8 Kh7-+) 46.Kg2 (46.Ke1 Qd2 47.Kf1 Qd1 48.Kf2 Qd4 49.Kg2 Qg4 50.Kf2 Qe6 51.Qa8 Kh7-+) 46...Qe2 (better 46...h3 47.Kf2 Qd4 48.Kg3 Qd3 49.Kf2 Qd2 50.Kg3 Qg2 51.Qg2 hg2 52.Kg2 fe6 53.h4-+) 47.Kg1 Threatening mate: Qe8 47...Qe1 (47...Qe6 48.Qa8 Kh7 49.Qf8 Qf6 50.Qc5-+) 48.Kg2 h3 49.Kh3 Qe6 50.Qe6 (50.Qa8 Kh7 51.Qa7 c2-+) 0–1. Araujo,Renan Aparecido (1940) – Raimundo,A (2020), TCh–Paulista, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 h5 8.Bd3 Nc6)

    9.Ba3 g6 10.Be7 Nce7 11.Na3 Nh6 12.Ne2 Bd7 13.Ng3 h4 14.Nf1 Nhf5 15.h3 Rc8 16.Nh2 Rc3 17.Nb5 Bb5 18.Bb5 Kf8 19.Ra7? (better is 19.Nf3!?-/+) 19...Qb6 20.Ra8 Kg7 21.Rh8 Kh8 22.Be8 Qd4 23.Qd4 Nd4 24.0-0 Kg7 25.Rb1 Nec6 26.Ng4 Rc1! 27.Rc1 Ne2 28.Kf1 Nc1 29.Bc6 bc6 30.Nh2 g5 31.g4 (31.Ng4 c5-+) 31...hg3! 32.fg3 Kg6 33.g4 (33.Ng4 c5-+) 33...Nd3 34.Nf3 Nf4 35.Ng1 c5 36.Nf3 Nh3 37.Ke2 f5 0–1. Frenklakh,Jennie – Jacobi,Steve (2345), US op, 1995. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Na3 h4 10.Nf3 h3 11.gh3 Rh3 12.Rg1 g6 (12...Bf8!?=+) 13.Nb5= a6 14.Bg5 Rf3?? (better 14...Qb6=) 15.Qf3+- Bg5 (15...Qb6 16.Be7 Nge7 17.Nd6 Kd7 18.Bb5+- (18.Nf7?! Qb2 19.Qd1 Qc3 20.Kf1 Nd4+/-; worse 18.Qf7 Qb2 19.Rd1 Qc3 20.Kf1 Qd4+/-; 18.Nc8?! Rc8 19.Qe2 Rh8+/-)) 16.Nd6 Kd7 17.Qf7 Be7 18.Rg6 (18.Bg6 Nh6 19.Qh7 Qf8 20.Be8 Kc7+-) 18...Nd4 (18...Qf8 19.Qe6 Kc7 20.Qd5 Nh6 21.Nc8 Rc8+-) 19.cd4 (19.Qg8?! Qg8 20.Rg8 Nf3 21.Ke2 Ne5 22.Nc8 Rc8 23.Rc8 Kc8+=) 19...Qb6 20.Qe6 Kc7 21.Rc1 (21.Ne8 Kb8 22.Qb6 Bb4 23.Qb4 Bg4 24.Qd6 Ka7 25.Qc7 Re8 26.Rga6) 21...Kb8 22.Rc8 Ka7 23.Ra8 Ka8 24.Rg8 Ka7 25.Nc8 (25.Nc8 Kb8 26.Nb6 Bd8 27.Rd8 Kc7 28.Rc8) 1-0. Riehle,Marco (2345) - Gschnitzer,Adrian (2410), Titled Tuesday, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Bd3 h5)

    9.Nd2 Bd7 A) 10.Ba3 Qc7 11.Ngf3 f6 12.ef6 gf6 13.c4 Ba3; B) 10.Ne2 h4 (10...Qc7 11.Nf4 g5 12.Ne2 f6 13.f4 gf4; 10...Nh6 11.0-0 h4 12.h3 g5 13.f3 Nf5; 10...Rc8 11.Nf4 Qc7 12.Ba3 Ba3 13.Ra3 Kd8) 11.Nf4 g5 12.Nh3 Nh6 13.0-0 g4; C) 10.Nh3 Qc7 (10...a5 11.Nf4 h4 12.0-0 Nh6 13.Ba3 b5; 10...a6 11.Nf4 Qc7 12.Ba3 h4 13.0-0 Nh6; 10...Na5 11.0-0 Qc7 12.Bb2 b5 13.Nf4 Bg5; 10...Rc8 11.Nf4 h4 12.0-0 Nh6 13.Ba3 Ba3) 11.Nf4 g5 12.Ne2 f6 13.Nf3 fe5; D) 10.Ngf3 h4 (10...g5 11.Nb3 g4 12.Nfd2 Qc7 13.h3 g3; 10...Qc7 11.0-0 Na5 12.Nb3 Nc4 13.Nbd2 Bb5) 11.0-0 h3 12.g3 Nh6 13.Ba3 0-0.

    9.Nd2 h4 A) 10.Ba3 Ba3 (10...Nh6 11.Be7 Qe7 12.Ngf3 h3 13.Rg1 hg2) 11.Ra3 Nh6 12.Nh3 f6 13.f4 Qc7; B) 10.Qg4 g6 (10...Kf8 11.Ba3 Ba3 12.Ra3 Nh6 13.Qh3 f6; 10...Bf8 11.Ngf3 h3 12.g3 Bd7 13.0-0 Nh6) 11.Nh3 Nh6 12.Qe2 g5 13.0-0 Rg8; C) 10.h3 Qc7 (10...Nh6 11.Ngf3 0-0 12.0-0 b6 13.Nb3 Nf5; 10...a6 11.Ngf3 Nh6 12.0-0 g5 13.Nh2 Rg8) 11.Ngf3 f6 12.ef6 Nf6 13.Ba3 e5; D) 10.Nh3 Nh6 (10...Qc7 11.0-0 f6 12.Qg4 g5 13.ef6 Nf6; 10...Bd7 11.Qg4 Bf8 12.0-0 Nh6 13.Qf3 g5) 11.Ba3 Ba3 12.Ra3 f6 13.f4 Qe7.

    9.Nf3!?= h4 10.h3 Nh6 11.0-0 g5 12.Ne1 Rg8 13.Qh5 Nf5.

    9.f4 g6 10.Nf3 Nh6 11.0-0 a6 12.Qb3 Rb8 13.Ba3 b5 14.Be7 Qe7 15.Ng5 Kf8 16.Nd2 Kg7 17.h3 a5 18.Qc2 a4 19.Ndf3 Bd7 20.Nh4 Be8 21.Rf3 Qd7 22.Rg3 Ne7 23.Qe2 b4 24.cb4 Rb4 25.Nf7?? (better is 25.Ngf3=) 25...Bf7-+ (25...Nf7?! 26.Ng6 Ng6 27.Rg6 Kf8 28.Rb1 Rb1 29.Bb1-+; 25...Kf7?! 26.Bg6 Kf8 27.Qd2-+) 26.Qh5 (26.Qd2 Rhb8 27.Bc2-+) 26...Nhf5 (26...Rd4 27.Qg5 Qa7 28.Qf6 Kg8 29.Kh1+=) 27.Nf5 Nf5 (27...ef5?! 28.Qg5-+) 28.Qg5 Qe7 (better is 28...Ng3!? 29.Qg3 Qa7 30.Rf1-+) 29.Bf5 Qg5 30.fg5 gf5 31.Rc3 Rhb8 32.Kh2 Rc4 33.Rca3?? Rbb4 (worse is 33...Rd4 34.Ra4 Rd2 35.R4a2 Ra2 36.Ra2-+) 0–1. Boulier,Rene (1995) – Deschler,Fabrice (2165), St Chely d'Aubrac op 5th, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Be7)

    9.g4 hg4 (9...Bd7 10.gh5 Bf8 (10...Qb6 11.Ba3 Nh6 12.Nf3 Ba3 13.Na3 Ne7) 11.Nh3 Qh4 12.Nf4 Rc8 13.Be3 Nh6; 9...g6 10.gh5 Rh5 11.Nd2 Qc7 12.Ngf3 b6 13.Qc2 g5; 9...Nh6 10.h3 (10.gh5 Nf5 11.Nh3 Rh7 12.Rg1 b6 13.Ng5 Rh8) 10...b6 (10...a5 11.Ba3 b6 12.Be7 Qe7 13.Nf3 Ba6; 10...Ng8 11.gh5 Bd7 12.Ne2 Na5 13.Rg1 Bf8) 11.Ba3 Bh4 12.Nf3 hg4 13.hg4 Ng4) 10.Qg4 g6 (10...Bf8 11.Ba3 Nge7 12.Nd2 f5 13.Qg3 Rh6) 11.Na3 (11.Ba3 Nh6 (11...Qa5 12.Ne2 b5 13.Qf3 Rb8) 12.Qf3 Ba3 (12...Bh4 13.Qe2 Nf5) 13.Na3 Qa5-/+) 11...Ba3 (11...Qa5!? 12.Bb2 Nh6-/+ (12...Rh4 13.Qg3 Nd4) 13.Qd1 Qb6) 12.Ba3 (12.Ra3 Qc7+= 13.Nf3 b6) 12...Qh4 (12...Nh6 13.Qd1+= Nf5) 13.Qe2= Nge7 (13...Nh6+=) 14.Nf3 Qh5 15.h4 (15.Be7 Ne7 16.Bb5 Bd7 17.Bd7 Kd7 18.Qb5 Kc8+=) 15...Nf5+= 16.Kd2 (16.Qd1 Bd7+=) 16...Qg4 Increasing the pressure on the isolated pawn on h4 (16...b6!?-/+) 17.Rag1= Qf4 18.Kd1 Qh6 (18...Nh4 19.Rh4 Rh4 20.Bc1+-) 19.Ng5 Bd7 (19...Nh4 20.Nf7 Kf7 21.Rh4 Nd4 22.cd4+- (22.Rh6 Ne2 23.Bg6 Kg7 24.Bf8 Kf8 25.Rh8 Ke7 26.Ke2 Kd7 27.Rh7 Kc6 28.Be8 Bd7 29.Bd7 Kc5+-)) 20.Qb2 b6 21.Rg4 (21.Be2 Ng7+= (21...Nh4? 22.Rg4+-)) 21...Qg7 (21...Na5 22.Qb4 Qh5 23.Bf5+=) 22.c4 dc4 23.Bc4 0-0-0 (23...Na5 24.Ba6+=) 24.Ke2 (24.Nf3 Nb8 25.Qc3 Bc6+=) 24...Kb7 25.Ra1 (25.Bc5 Ka8 26.Rb1 f6 27.ef6 Qf6 28.Bb6 Rb8= (28...ab6 29.Qb6 Nfd4 30.Kf1+-)) 25...Bc8+= The pressure on the backward pawn d4 grows 26.Nf3? (26.Bc5 Ncd4 27.Bd4 Nd4 28.Rd4 Qe5 29.Kd3 Rd4 30.Qd4 Qd4 31.Kd4 Rh4 32.Kd3 Rf4+=) 26...Rd7?? (better is 26...Nfd4 27.Nd4 Qe5 28.Kd3 Qf5 29.Ke3 Qg4 30.Nc6 Kc6-+) 27.Bc5= Rhd8 (better is 27...Kb8 28.Bd3 Bb7+=) 28.d5 Nb8 (28...Rd5 29.Ra7!! Ka7 30.Qb6 Ka8 31.Bd5 Ng3 32.fg3 Qe5 33.Ne5 Ba6 34.Qa6 Kb8 35.Rb4 Nb4 36.Qb7) 29.Ra7! (29.Ra7 Ka7 30.Qb6 Ka8 31.Qa5 Ba6 32.Ba6+-) 1–0. Kadas,Gabor (2200) – Paoli,Enrico (2265), Agard, 1976. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.Bd3 h5)

    9.h4 g6 10.Nf3= Nh6 11.Ng5 (11.Bh6!? Rh6 12.Na3=) 11...Nf5=+ 12.Qf3 a6 13.g4 (better 13.0-0!?=+) 13...hg4-+ 14.Qg4 Rh5 15.Bf4 Kf8 16.Nd2 Kg7?? (16...a5!? 17.Nf1 a4 18.Ng3-+) 17.Ndf3 (17.Nf1!? Qb6 18.Ng3 Ng3 19.Qg3=) 17...Qh8 18.Ke2 (18.Rg1 Ra7-/+) 18...Bd7-+ 19.Bg3 (19.Rab1 Na5-/+) 19...Na7 20.Nh3 Bb5 (better 20...Nb5!? 21.Nf4 Nc3 22.Kf1 Rh6-+) 21.Nf4=+ Ng3 (21...Rh6 22.h5 Kf8 23.Bh4 Bd3 24.Kd3 Nh4 25.Nh4 gh5 26.Nhg6 fg6 27.Ng6 Kg7 28.Qe6=+) 22.fg3 (worse 22.Qg3 Rc8 23.Rac1 Kf8-/+) 22...Bd3 23.Kd3 Rh6 24.Ng5 (24.Rhc1 Rc8=) 24...Bg5 (24...Qc8 25.Rac1 Qc4 26.Ke3=) 25.Qg5 Qd8 26.Qg4 Nb5 (26...Qc7 27.h5 Qc4 28.Kd2=+) 27.h5=+ g5 (27...Qc7 28.Rac1 Re8+=) 28.Nh3+= Kh8 29.Ng5 Qc7 Attacks the backward pawn on c3 30.Rac1 f5 31.Qf4 Kg7? (better 31...Kg8!? 32.g4 Qc4 33.Kd2 Rc8+-) 32.g4+- Rf8?? (better 32...Qc4 33.Kd2 Rc8 34.gf5 ef5+-) 33.gf5 Qc4 (33...Rf5 34.Ne6! Kh8 35.Qf5+-) 34.Kd2 ef5 (34...Rf5 35.Ne6! Kf7 36.Qf5 Ke8 37.Qf8 Kd7 38.Qf7 Kc6 39.Nd8 Kb6 40.Qb7 Ka5 41.Ra1 Qa4 42.Rhb1 Rb6 43.Rb5 ab5 44.Qa7 Ra6 45.Nc6) 35.Rhg1 Rhh8 (35...Rh5 36.Qg3 Rhh8+-) 36.h6! Kg6 (36...Kh6 37.Ne6 Mate attack; 36...Rh6 37.Ne6 Deflection (37.Ne6 Decoy)) 37.Ne6 Kf7 38.Qf5 (38.Rg7 Ke6 39.Qg5 Qa2 40.Ke1 Qd2 41.Kd2 Rf7 42.Qg6 Kd7 43.Qf7 Kc8 44.Qb7 Kd8 45.Qd7) 38...Ke8+- 39.Nf8 Rf8 40.Qf8! Kf8 41.h7 (41.h7 Qa2 42.Rc2 Ke7 43.h8Q Qc2 44.Kc2 Na3 45.Kb3 Kd7 46.Rg7 Kc6 47.Qf8 Nc4 48.Qc5) 1–0. Wege,Jochen – Kleeschaetzky,Rainer (2295), Giessen op, 1993. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Nc6 6.d4 Bb4 7.c3 Be7 8.Bd3 h5)

    8.Qg4 Kf8

    9.Bd3 Qc7 =.

    9.Bd3 Bd7 10.Qf4 =.

    9.Bd3 f5 10.Qf3 (10.ef6 Bf6 11.Ba3 Be7 12.Qf4 Nf6=) 10...h5 (10...Qc7 11.Bd2=) 11.Ne2 (11.Qd1 Qe8=) 11...g5 12.h3 (12.h4 g4 13.Qe3 Ke8+=) 12...Rb8 (better is 12...a5!?+=) 13.g4+= hg4 14.hg4 Rh1 15.Qh1 b5 16.Qh7 Qd7 (16...fg4?? 17.Bg6 Qe8 18.Be8 Ke8 19.Qg8 Kd7 20.Bg5 Bg5 21.Qg5+-) 17.Ng3 (17.gf5 ef5 18.Ng3 Bd8+=) 17...f4 18.Nh5 Bd8 19.Qh8 Qf7 20.Nd2 (20.Ba3 Be7 21.Nf6 b4 22.Nh7 Ke8 23.Bb4 A) 23...Bb4? A1) 24.cb4?! Rb7+/- (24...Rb4?? 25.Ng5 Qf8 26.Nh7+-; 24...Nb4? 25.Nf6 Kf8 26.Bh7+-); A2) 24.Ng5 Qf8 25.Nh7+-; B) 23...Bd8+=) 20...b4 (20...a5!?+=) 21.Nf3= bc3 22.Bh7 Rb7 23.Bg8?? (23.Ba3 Nb4 24.Bb4 Rb4 25.Ra7+/-) 23...Qg8-+ 24.Ba3 Kf7 25.Qh6 c2 26.Nf6= Ba5?? 27.Ke2+- Rb1 28.Qh5 Qg6 29.Ng5 Kg7 30.Ne8 Qe8 31.Qh7 1–0. Porrasmaa,Timo (2210) – Korhonen,Pasi (2105), Helsinki–ch, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    9.h4 h5 10.Qf4 Bd7 11.Bd3 Qc7 12.Nf3 Nh6 13.0-0 (13.Ng1 b5+=) 13...Na5 (13...a5 14.Ra2+=) 14.Ba3 Ba3 15.Ra3 f5 (15...Nc4 16.Bc4 Qc4 17.Nbd2+=) 16.Nbd2 (16.Ng5=) 16...b5 (better is 16...Nf7!?+=) 17.Rfa1 Nc4 18.Bc4 bc4 (18...dc4 19.d5 ed5 20.Qd4+/-) 19.Ra6 Nf7 20.Ng5 Ng5 21.Qg5 Rh6 22.Nf3 Bb5 23.R6a5 Qb6 24.Qc1 a6 25.Ne1 Rb8 26.Nc2 Rg6 27.g3 Kg8 28.Kh2 Rf8 (28...Qb7 29.Nb4=) 29.f4 Rb8 30.R5a2 Rh6 31.Nb4 Kf7 32.Ra5 Rhh8 33.R1a2 Ra8 34.Nc2 Rhb8 35.Ne1 Bd7 36.Nf3 Ke7 37.Qa3 Ke8 38.Ra6 Ra6-/+ 39.Qa6 Qa6 40.Ra6 Rb2 41.Kg1 Rb3 42.Ra8 Ke7 43.Kf2 Rc3 44.Ng1 Rb3 45.Ne2 Bc6 46.Ra7 Bb7 47.Ke1+= Kd7 48.Kd2 Kc7 49.Ra2 Rd3 50.Ke1 Kb6 51.Rb2 Ka7 52.Rc2 Ba6 53.Rc3 Bb5 54.Rd3= cd3 55.Nc1? Bc4-+ 56.Kd2 Kb6 (56...Kb6-+) 0–1. Hamann,Carsten (2190) – Masio,Andreas, Schleswig Holstein–ch M , 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Be7)

    9.h4 h5 10.Qf4 Bd7 11.Nf3 Na5 (11...Ke8 12.Bd3=) 12.Ng5 (12.Ba3 Qc7=) 12...Nh6 (12...f6 13.Ba3+=) 13.Nd2 (13.Ba3 Ba3 14.Ra3 Qb6+=) 13...Qc7 14.Rh3 (14.Qf3 Nf5+=) 14...f5 (14...Ke8!? 15.Rf3 Nf5+=) 15.Ba3 Ba3 16.Ra3 g6 (16...Ng4 17.f3 Nh6 18.Rg3=) 17.Bb5+= b6 18.c4 dc4 (18...Ke7 19.Rhc3 Bb5 20.cd5+- (20.cb5?! Qd7+=)) 19.Nde4 (19.Nc4 Nc4 20.Rhc3 Qb7 (20...Na3? 21.Rc7 Nb5 22.Rd7+-) 21.Bc4 Qg2 22.Be6 Qh1 23.Kd2 Ke8+/-) 19...Ke7 20.Ne6 Be6 21.Qg5 Kf8 22.Qf6 Nf7 23.Ng5 Bd5 24.Nf7 Qf7 25.Qh8 Ke7 26.Qh6 Ke6 (26...a6!? 27.Ba4 b5+/-) 27.Rhg3+- Rg8 28.Rg5 (28.Rac3 Qg7 29.Qg5 Qe7+/-) 28...f4 (28...Qg7 29.Qg7 Rg7 30.Kd2+/-) 29.Rh5 (29.g4 fg3 30.Rag3 Be4+-) 29...Qe7 (29...Nb3 30.Ra4 Nd4 31.Bc4 Nc2 32.Ke2 f3 33.Kd2 Qd7-/+) 30.Ra4+- Be4 (30...Nb3 31.Rc4 Na5+/-) 31.Qf4 Kd5 32.e6! (32.e6 Qg5 33.Rg5 Ke6 34.Re5 Kd6 35.Re4 Kd5 36.Qe5) 1–0. Boros,Sandor – Bluemich,Max, Bad Liebenwerda, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Be7)

    9.h4 h5 10.Qf4 Nh6 11.Nf3 +=.

    9.Qh5 Na5 10.Ra2 Qb6 =.

    8.Qg4 g6

    9.Ba3 A) 9...f5 10.Qd1 b6 11.Nf3 Bb7 12.Be2 g5 13.Be7 Qe7 14.0-0=; B) 9...Bd7 10.Nf3 (10.Be7 Nge7 11.Nf3 Qb6 12.Nfd2 Qb2 13.Ra3 Qc1 14.Qd1+=) 10...Nh6 11.Qh3 Ba3 12.Ra3 Nf5 13.Bd3 b5 14.0-0=; C) 9...Ba3 10.Na3 (10.Ra3 f6 11.Nf3 fe5 12.Ne5 Ne5 13.de5 Ne7 14.Nd2+=) 10...Qa5 11.Ne2 f6 12.Nc2 Qc7 13.f4 a6 14.Qg3+=; D) 9...f6 10.Be7 Qe7 11.Nf3 fe5 12.Ne5 Ne5 13.de5 Nh6 14.Qf4+=.

    9.Bd3 Qb6 10.Nf3 (10.Ba3 Ba3 11.Ra3 f6 12.Nf3 fe5 13.Ne5 Ne5 14.de5 Ne7 15.0-0 0-0 16.Qg5+=) 10...Qc7 11.0-0 Bd7 12.Ba3 h5 13.Qf4 a6 14.Rc1 b5 15.Rc2 Ba3 16.Ra3+=.

    9.Bd3 Qc7 10.Bf4 (10.Ba3 Ba3 11.Ra3 f6 12.ef6 Nf6 13.Qg5 0-0 14.Nf3 e5 15.Ne5 Ne5 16.de5-/+) 10...h5 11.Qf3 g5 12.Be3 g4 13.Qf4 Nh6 14.h3 Na5 15.Ne2 gh3 16.Rh3+=.

    9.Bd3 Bd7 10.Ne2 Rc8 11.0-0 a6 12.Nd2 Nh6 13.Qh3 Nf5 14.Bf5 gf5 15.Qg3 Na5 16.Qg7 Rf8 17.Re1 Bb5 18.Bb2 Be2 19.Re2 h5 20.Ree1 Nc6 21.Qh7 h4 22.Nf3 Na7 23.Bc1 Kd7 (worse is 23...Rc3 24.Bh6+=) 24.Bd2 Nb5 25.Rec1 Qe8 26.Qh6 (26.Nh4?? Rh8 27.Qg7 Rh4-+) 26...Rh8 27.Qe3 h3 28.g3 Qd8 29.Qd3 Rc4 30.Rcb1 Qb8 31.Rb3 Rhc8 32.Qb1 R8c7 33.Rb5 ab5 34.Qb5 R4c6 35.Ra4 Rc8 36.c4 dc4 37.Rc4 Qa7 38.d5 ed5 39.Qd5 Ke8 40.Qb5 Qa6 41.Rc6 Qb5 42.Rc8 Bd8 43.Ne1 Qe5 44.Rc3 Bb6 45.Kf1 Qd5 46.Nf3 Qe4 0–1. Vlasveld,W Martin (2405) – Stuart,A.J.(Toon) (2450), ICCF World Cup10 sf, 1998. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Qg4 g6)

    9.Bd3 Bd7 10.Nf3 a5 11.0-0 a4 12.Na3 Qc8 13.c4 Nb4 14.Be2 =.

    9.Bd3 f5 10.Qd1 Bg5 11.Nf3 Bc1 12.Qc1 Nge7 13.Qh6 Qb6 14.0-0 +=.

    9.Bd3 f5 10.Qe2 Qc7 11.Bc2 Rb8 =.

    9.Bd3 f5 10.Qf3 Bg5 11.Ba3 (11.Nd2 a5+=) 11...Be7 (11...Bh6 12.h4+=) 12.Ne2 Nh6 13.h4 (13.0-0 Ba3 14.Na3 Nf7+=) 13...Bd7 (13...0-0 14.Qe3 Nf7 15.Be7 Ne7 16.Nd2+=) 14.Nd2 (14.h5 Rc8=) 14...0-0 (14...Bh4? 15.Qh3+-) 15.Qf4 Ng4 16.Be7 Qe7 (16...Ne7? 17.f3 Ne5 18.de5+-) 17.f3 Nge5 18.de5 Qg7 19.Qe3 (19.0-0 Ne5 20.Bb1 Bb5+=) 19...Ne5 (19...f4 A) worse is 20.Nf4 Qe5 21.Nd5 ed5 (21...Qd5 22.Be4 Qe5 23.Nc4 Qg3 24.Kf1+=) 22.Qe5 Ne5-/+; B) 20.Qf2+=) 20.f4 (20.Bc2 a5+=) 20...Nc6? (20...Ng4!? 21.Qg3 Rfc8=) 21.Nf3 (21.0-0 e5+/-) 21...e5 22.fe5 Rfe8 23.Qc5 Ne5 24.Qd5 Nf7 (24...Qf7 25.Qf7 Nf7 26.Bc4+/-) 25.Qd4 (25.0-0!? Bc6 26.Qb3 Kh8+/-) 25...Bc6 (25...a6!?+/-) 26.Bc4 b5 27.Qg7 Kg7 28.Bf7 Kf7 29.Kf2 Bd5 (29...a6 30.h5+/-) 30.h5 (30.Rhd1 Bf3 31.Kf3 a5+-) 30...a5 31.Ng5 Kg7 32.Nf4 (better is 32.Rhd1 Bg8 33.Rd7 Kh6 34.Nf3+-) 32...Bc4?? (better is 32...Bb3+/-) 33.hg6+- hg6 (33...h6 34.Nf3 Re4 35.g3+-) 34.Rhd1 (34.Rad1!? Kf6 35.Nh7 Kf7 36.Rd7 Re7+-) 34...Kh6 (34...Kf6 35.Nh7 Ke7+-) 35.Nf3 Ra6?? (35...Kg7 36.Rd7 Kf6 37.Rd6 Ke7+-) 36.Rd7 (36.Rd7 Re2 37.Kg3 Bf7 38.Rf7 Rg2 39.Kg2 Rf6 40.Rh1) 1–0. Gietl,Thomas (2330) – Knechtel,Roland, Freising op, 2001. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.Qg3 Na5 11.Ra2 Bd7 12.h4 (12.Nd2 b5=) 12...Nc4 13.Nf3 Qb6 14.h5 g5 15.Bg5 (15.Ng5 Bf8 16.Nh7 Rh7 17.Qg8+/-) 15...0-0-0? (15...Qb3!? 16.Re2 Bb4+=) 16.0-0 (16.Bc1 Bf8+/-) 16...Bb5 17.Qf4 a6 18.Be7 Ne7 19.Ng5 Rdf8 20.Nd2 Nd2 21.Qd2 Bc4 (better is 21...Bd3!? 22.Qd3 Qc6+/-) 22.Rb1 Qc6 23.Bc4 dc4 24.Ra5 b6 (24...Rd8 25.Qc1 Rd5 26.Rd5 Nd5 27.Nf7+/-) 25.Ra6 Nd5 26.Qa2 Rfg8 27.Ra8 Kd7 28.Ra7 (better is 28.Qa7!? Nc7 29.Rg8 Rg8 30.Rb6 Ra8 31.Nh7 Qg2 32.Kg2 Ra7+-) 28...Nc7 29.f4 (29.d5!? ed5 30.Nf7 d4+-) 29...Ra8 30.h6 Rhg8 (30...b5 31.Ra8 Ra8 32.Qb2+-) 31.Ra8 (31.Rb2!? Rg6+-) 31...Ra8+/- 32.Qb2 Nd5 33.Nh7 Rh8 34.Ng5 Nf4 35.Qd2 Nd5 36.Ra1 Rh6+= 37.Ra7 Nc7 38.Nh3 Rg6 39.Nf4+= Rg4 40.d5 Qc5 41.Kf1 Rf4 42.Qf4+= Qd5 43.Qe3 Kc6 44.Qf3 Qf3-/+ 45.gf3 Nd5 46.Ra2 Kc5 47.Rd2 b5-+ 48.Ke1 Nc3 49.Rd6 b4 50.Kd2 Nb5 51.Re6 b3 52.Ra6 c3 53.Kc1 Nd4 54.Ra3 Kb4 55.Ra8 Ne2 (55...Ne2 56.Kd1 c2 57.Ke2 c1Q 58.Rb8 Ka5 59.Ra8 Kb6 60.Rb8 Ka7 61.Rb3 Qc2 62.Ke3 Qb3 63.Kf4 Qe6-+) 0–1. Schmitt,Larry (2220) – Fang,Joseph (2430), Queen City op, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.Qg3 b6 11.Nf3 Qd7 12.h4 Bf8 13.h5 Nge7 14.Na3 =.

    9.Bd3 f5 10.Qg3 g5 11.h4 g4 12.Ne2 h5 13.Nf4 Kf7 14.Ba3 Bd7 15.Be7 Nge7 16.Nd2 Na5 17.0-0 b6 18.c4 Bc6 19.Rfc1 Rc8 (19...dc4 20.Nc4 Nb7 21.Ne2=) 20.Qe3 Ng6 21.Ne6 Ke6 22.Bf5 Kf5 23.Qd3 Ke6 24.Qg6 Ke7 25.Qf6 Ke8?? (better is 25...Kd7 26.Qd6 Ke8 27.Qe6 Kf8 28.cd5 Bb7=) 26.Qh8+- Kd7 27.Qg7 (27.e6 Kc7 28.Qh5 dc4 29.Qf7 Kb8 30.Nc4 Qd5 31.Qf4 Ka8+-) 27...Ke8 (27...Qe7 28.e6 Kd8 29.Qh8 Be8 30.cd5+-) 28.Qg6 (28.e6 Qe7 29.Qh8 Qf8 30.Qh5 Kd8 31.cd5 g3 32.Qg5 Qe7 33.Qg8 Be8+-) 28...Kf8 29.Qh6 (29.Qh5 Rc7 30.Qh8 Ke7 31.Qg7 Ke8 32.Qg4 dc4 33.Nc4 Nc4 34.Qg8 Kd7 35.Qd8 Kd8 36.Rc4 b5+-) 29...Kg8 30.Qh5 1–0. Malaczek,Mateusz (1795) – Mazalon,Mariusz (2165), Lazy op–A 5th, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.d4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.Qg3 g5 11.h4 gh4 12.Qg7 Bf6 13.ef6 Qf6 14.Bh6 Qh6 15.Qh8 Qc1 16.Ke2 Qb2 17.Ke3 Qa1 18.Qg8 Kd7 19.Qh7 Kd6 20.Qh4+- (20.Rh4 Qb2 21.Qg8 Qc1 22.Ke2 Qb2 23.Kf3 Qb3 24.Qg3 e5 25.de5 Ne5 26.Ke2 Qb2 27.Kd1 Qb3 28.Kc1 f4 29.Qf4 d4+-).

    9.Bd3 f6 10.Nf3 Qc7 11.Qh3 fe5 12.Bg6 Kf8 13.Bh6 Nh6 14.Qh6 Kg8 15.Be8 ed4 16.cd4 Bf8 17.Qe3 Nb4 18.0-0 Nc2 19.Rc1 Ne3 20.Rc7 Bd6 21.Rc1 Nc4 22.Bb5 a5 (22...Nb6 23.Bd3-/+) 23.Bc4+= dc4 24.Rc4 Bd7 0–1. Campforts,Jurgen – Blatt,Frank, WCCF EB, 2001. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Qg4 g6)

    9.Bd3 f6 10.Qh3 Kf7 11.Nf3 fe5 12.de5 Kg7 13.0-0 a5 14.Ba3 =.

    9.Bd3 h5 10.Qe2 Nh6 11.g3 Bd7 12.h3 Nf5 13.Nf3 a6 14.Kf1 b5 15.Kg2 Na5 16.g4 (16.Nbd2 Rc8 17.Bb2 Qb6=) 16...Ng7 (16...hg4!? 17.hg4 Rh1 18.Kh1 Nb3-/+) 17.Nbd2 Qc7 18.Bb2 Nc4 19.Nc4 bc4 20.Bc2 a5 21.Rhb1 0-0 22.Qd2 f5 (22...Rfb8 23.Qh6 Qc8 24.Bc1+=) 23.gh5 (better is 23.ef6!? Rf6 24.Ne5+/-) 23...Nh5= 24.Kh2 Kf7 25.Ba3 Ba3 26.Ra3 Rab8 (26...Rh8 27.Qg5=) 27.Rba1 Ra8 28.Rg1 (28.Qh6 Rg8+=) 28...Rg8 (28...Rh8 29.Qg5 Rag8 30.Raa1=) 29.Ng5 Ke7 30.f4 Rab8 31.Rga1 Rb2 32.Ra5 Rgb8 33.R5a2 R8b6 34.Qc1 Qb8? 35.Kg2 R6b3 36.Rb2 Rb2 37.Kf3 Ng7 38.Ke3 Ne8 39.Ra7 Rc2?? 40.Qa3+- Kd8?? 41.Nf7 Kc8 42.Qa6 (42.Qa6 Qb7 43.Qb7) 1–0. Osman,Mihai (2200) – Sandu,Mihaela (2100), Bucharest–B (Women), 2000. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.Qg4 g6)

    9.Bd3 h5 10.Qh3 Na5 11.Bb5 (11.Nd2!?=) 11...Bd7+= 12.Bd7 Kd7 13.Qd3 a6 14.Nd2 Nh6 15.Ngf3 Qc7 16.0-0 g5 17.Ba3 Rag8 18.Rfb1 Nf5 19.Bc5 Bc5 20.dc5 g4 (20...Qc5 21.Ne4 Qc7 22.c4 Qc4 23.Nf6 Kd8 24.Qa3+-) 21.Nd4 Ne7 (21...Qc5 22.Nf5 ef5 23.Qf5 Ke8 24.Ra5+-) 22.Ra5 Qa5 23.Rb7 Kd8 24.c6 Qa1 25.Rb1 Qa3?? (better is 25...Qa2+=) 26.Rb8 Kc7 27.Rb7 Kd8 28.Qb1 Nc8 29.Rd7 Ke8 30.Qb8 Qa1 31.Nf1 Kf8 (31...Qf1 32.Kf1 Kf8 33.Ne6 fe6 34.Qc8) 32.Ne6! (32.Ne6 fe6 33.Qc8) 1–0. Lazarevic,Milunka – Todorova,Paunka, Candidates Tournament (Women), 1959. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.d4 Nc6 6.ab4 Bb4 7.c3 Be7 8.Qg4 g6)

    9.Nf3 a5 10.Ba3 a4 11.Bd3 b6 12.Bb5 Bd7 13.Be7 Nge7 14.Na3 +=.

    9.Nf3 b6 10.Bd3 (10.Ba3 Bb7 11.Bd3 a5 12.Be7 Nge7 13.Na3 Ba6 14.Bb5+=) 10...Qc7 11.0-0 Bb7 12.Bg5 a5 13.Be7 Nce7 14.Na3 =.

    9.Nf3 Qb6 10.Bd3 Na5 11.0-0 Bd7 12.Bg5 Nb3 13.Ra2 Bb5 14.Bb5 =.

    9.Nf3 Qc7+= 10.Ba3 (10.Bb5 Bd7 11.Qf4 Na5 12.Bd7 Kd7 13.Ba3 Ke8 14.Bd6 Qd8 15.Be7 Ne7 16.Qf6=) 10...Bd7 11.Be7 Nge7 12.Nbd2 Nf5 13.Be2 h5 14.Qg5 Qd8 15.Qf4 Rg8 16.Ng5 =.

    9.Nf3 Bd7 10.Bd3 a5 11.Ba3 a4 12.0-0 f5 13.Qg3 Na5 14.Nbd2 =.

    9.Nf3 f5 10.Qg3 Na5 11.Ba3 Nb3 12.Ra2 Bd7 13.Be7 Ne7 14.Rb2 Ba4 15.Nfd2 Na5 16.Rb4 =.

    9.Nf3 f5 10.Qg3 Bd7 11.Bd3 Na5 12.0-0 Qb6 13.Na3 Qc6 14.Nb5 =.

    9.Nf3 f5 10.Qh3 Qc7 11.Ba3 Na5 12.Be7 Ne7 13.Qh6 Nec6 14.Bb5 a6 15.Bc6 Nc6 16.0-0 =.

    9.Nf3 f6 10.Bb5 Qb6 11.Bd3 fe5 12.de5 Qc7 13.Bf4 Bf8 14.0-0 +=.

    9.Nf3 f6 10.Qf4 a6 11.Ba3 Ba3 12.Ra3 Qc7 13.Bb5 Bd7 14.Bc6 +=.

    9.Nf3 f6 10.Qf4 Bd7 11.Bd3 fe5 12.Ne5 Ne5 13.Qe5 Bf6 14.Qf4 e5 15.de5 Qe7 16.Kd1 +=.

    9.Nf3 f6 10.Qg3 Qb6 11.Bd3 Bd7 12.Ba3 fe5 13.Ne5 Ne5 14.Qe5 =.

    9.Nf3 f6 10.Qg3 fe5 11.Ne5 Nf6 12.Nc6 bc6 13.Bd3 c5 14.Ba3 c4 15.Bc2 0-0 16.0-0 +=.

    9.Nf3 h5 10.Qf4 (10.Qg3 Nh6 11.Qf4 Nf5 12.Bd3 Rg8 13.Ba3 g5 14.Qc1+=) 10...a5 11.Bd3 b6 12.Na3 Ba6 13.Nb5 Qd7 14.0-0 =.

    9.h4 h5 (9...f6 10.Qg3 (10.Nf3 Qc7 11.Bb5 Bd7 12.Bc6 Qc6 13.h5 g5 14.h6 Qc4 15.Ba3 Qd3 16.Be7+=) 10...fe5 11.de5 Bf8 12.h5 Nge7 13.hg6 Ng6 14.Nf3 Qc7 15.Bb5 a6 16.Rh5+=; 9...a6 10.Nf3 (10.h5 f5 11.Qg3 g5 12.Nh3 g4 13.Nf4 Qc7 14.Nd2 Ra7 15.Qe3 b5 16.Ba3=) 10...Bd7 11.h5 Bf8 12.hg6 fg6 13.Ng5 Nh6 14.Qf4 Qe7 15.Bd3 a5 16.Ba3+/-) 10.Qg3 (10.Qf4 Nh6 11.Nf3 Ng4 12.Ba3 Ba3 13.Na3 0-0 14.Bd3 Kg7 15.Nb5 f6 16.ef6=; 10.Qh3 Na5 11.Nd2 Bd7 12.Ba3 Rc8 13.Be2 b6 14.Ba6 Rc7 15.Ne2 Nh6 16.Be7+=) 10...Na5 (10...Nh6 11.Nf3+= Nf5 12.Qf4 Bf8 13.Bb5 Bh6 14.Ng5 a6 15.Bd3 f6 16.ef6-/+) 11.Nd2 (11.Bg5 Bd7 12.Bd3 Bg5 13.Qg5 Qg5 14.hg5 Nc4 15.Bc4 dc4 16.Nd2+=) 11...b6 (11...a6 12.Ba3 b5 13.Bd3 Bb7 14.Ngf3 Qc7 15.Ng5 Bg5 16.hg5+=) 12.Bb5 (12.Ba3 Qd7 13.Bd3 Ba3 14.Ra3 Nh6 15.Ngf3 Qe7 16.Ra1=) 12...Bd7 13.Bd3 Nh6 14.Ne2 (14.Ba3 Ba3 15.Ra3 Nf5 16.Qf4+=) 14...Qc7 (14...Nf5 15.Bf5 ef5 16.Nf4+=) 15.Ba3= Ba3 16.Ra3 Qd8 17.Nf4 Qe7 18.Ra5 (better is 18.Ra1!?=) 18...ba5-/+ 19.c4 (19.0-0 Rb8-/+) 19...dc4-+ 20.Nc4 (20.Bc4 Nf5 21.Qc3 Qb4-+) 20...Qb4 21.Ke2 Nf5 22.Qg5 Nd4 23.Kf1 Qe7 (better is 23...Bb5 24.Nd6 Kd7 25.Nb5 Nb5-+) 24.Nd6+= Kf8 25.Qg6 fg6 26.Ng6 Kg7 27.Ne7 Nc6 28.Ng6? Rh6-+ 29.Nf4 Ne5 30.Rh3 Rf8 31.Rg3 Ng4 32.Nh5-/+ Rh5 33.Rg4 Kf6 34.Bg6 Rd5 35.Ne4 Ke7 36.h5 a4 37.Nc3 Rd2-+ 38.Na4?? Rff2 39.Kg1 Ba4 40.Ra4 Rg2 41.Kf1 Rdf2 42.Ke1 Ra2 (42...Ra2 43.Ra2 Ra2-+) 0–1. Schepel,K (2175) – Chan Peng Kong (2395), 34th Olympiad, Istanbul TUR, 2000. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6)

    7.e5 Bd7

    8.Bd3 Bc6 9.Ne2 Nd7 (9...a5 10.Ng1+=) 10.0-0 (10.Qc2 Nf8-/+) 10...Nf8 (10...a5 11.g3-/+) 11.Ng3 g6 12.Ne2 (12.Re1 a5-/+) 12...h5 (12...a5 13.Qc2-/+) 13.Na3 (13.h3 a5-/+) 13...Nh6 (13...Qd7 14.Qc2-/+) 14.Nc2 (14.Bh6 Ba3 15.Ra3 Rh6=) 14...Nf5 15.Nb4 (15.h3 a5-/+) 15...Bb4 (15...Bd7 16.Nf4-/+) 16.cb4+= Qb6 17.b5 Bd7 18.Kh1 (18.Qa4 h4=) 18...Nh7 (18...Rc8!?+=) 19.Bd2= Qd8 (19...Qc7 20.Qc1 Qb8 21.Bf5 gf5 22.Qb2=) 20.f4 (20.Ra3 Ng5=) 20...Kf8 (20...Nf8 21.Rf3=) 21.Bf5 ef5 (21...gf5 22.Bb4 Kg7 23.Nc3=) 22.Qb3+= Be6 23.Rfc1 Kg7 24.Rc2 Qd7 25.Rca2 b6 26.Be1 f6 27.Qe3 Rhe8 28.Bh4 Bf7 29.Ng1 fe5 30.fe5 Nf8 31.Nf3 Ne6 32.Bf6 Kh7 33.h3 Rg8 34.g4 f4? 35.Qd3+/- Kh6 36.Rc1 Rac8 37.Rca1 Rc7 38.Rg1 Qc8 39.Qd2 g5 40.h4 gh4 41.g5 Kh7 42.Nh4 Rc3 43.g6 Bg6?? 44.Ra7+= Kh6?? 45.Qf4!! (45.Qf4 Ng5 46.Bg5) 1–0. Nystrom,Leif – Turtiainen,Tauno (2065), Helsinki–ch, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Bd3 Nc6 9.Ne2 a6 10.0-0 g6 11.Be3 Bg5 (11...b5 12.Nd2=) 12.f4 (12.Nd2 Be7=) 12...Bh6 13.Nd2 Nge7 14.Rf3 Nf5 15.Bf2 Bf8 16.Rh3 b5 17.Bf5 ef5 18.Nf1 (18.Bh4!? Be7 19.Be7 Qe7 20.Nb3=) 18...Be7+= 19.Ne3 Be6 20.Rh6 Bf8 21.Rh3 h5 (21...f6 22.Qb3+=) 22.Qb3 (22.Bh4 Qc7=) 22...Be7+= 23.Kh1 Na5 24.Qa2 Nc4 25.Nc1 0-0 26.Nd3 Kg7 27.Nc5 (27.Nb4 Qd7+=) 27...Bc8 (27...Ne3!? 28.Ne6 fe6 29.Re3 Qc7-/+) 28.Qe2 Ne3 29.Qe3 Qb6 (29...Re8 30.Kg1+=) 30.Bh4= Bh4 31.Rh4 Be6 32.Qg3 Rh8 33.Rh3 a5 34.Qg5 Qd8 35.Qg3 a4 36.Ra3 Qe7 37.Qe1 Rhc8 38.Qe3 Rab8 39.Rf3 Qe8 40.Qe1 Rb6 41.h3 Rcb8 42.Kh2 Qc6 43.Qa1 Qe8 44.Qe1 Qe7 45.Qa1 Rc8 46.Qb2 Rcb8 47.Qb4 ½–½. Adams,William – Travers,R, 1951. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Bd3 Nc6 9.Qg4 Kf8 10.Nh3 Na5 11.Ra2 Nc4 12.Ng5 Bg5 13.Bg5 Ne7 14.Bc4 dc4 15.Nd2 Bc6 16.0-0 (worse is 16.Nc4 Qd5 17.Be7 Ke7 18.Qg7 Raf8 19.Ra7 Qc4-+) 16...Qd7 17.Nc4 (better is 17.Be7!? Ke7 18.Qg7+/- (worse is 18.Nc4 Qd5+=)) 17...Qd5+= 18.Nb6 Qa2 19.Na8 (19.Be7 Ke7 20.Qg5 Kf8 21.Na8 Qa5+=) 19...Nf5 (better is 19...Nd5!? 20.c4 Qc4+=) 20.Nc7 Qc2 21.d5 ed5 22.Qb4 (better is 22.Rc1 Qd3 23.Rd1+/-) 22...Kg8+= 23.Qc5 h6 24.Be3 d4 (24...Ne3 25.Qe3 Qe4 26.Ra1 Qe3 27.fe3-/+) 25.Bd4 Kh7 (25...Bg2!? 26.Ra1 Bh3-+ (26...Nd4?! 27.cd4 Qg6 28.Qd6-+)) 26.Qc4+= Nh4 (better is 26...Nd4!? 27.Qd4 Rc8+=) 27.Qf7+= Ng2 28.Nd5 Bd5+= 29.Qd5 Nf4 30.Qb7?? Qe2 31.Qb1+= g6?? 32.Qb7 Kg8 33.Qc8 Kf7 34.Qd7 (34.Qd7 Kf8 35.Bc5 Kg8 36.Qe8 Kg7 37.Qe7 Kg8 38.Qf8 Kh7 39.Qf7; 34.Qh8?? Qg4 35.Kh1 Qg2) 1–0. Zhukov,Viktor (2205) – Kornilov,Anatoly (2415), RUS–ch Seniors, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Bd3 Nc6 9.h4 Qc7 10.Qg4 g6 11.h5 Ne5 (better is 11...Nb4 12.Qe2 Nd3 13.Qd3 g5+=) 12.de5+= Qe5 13.Qe2 Qe2 14.Ne2 Bf6 15.Na3 Ne7 16.hg6 hg6 17.Rh8 Bh8 18.Nb5 Bb5 19.Bb5 Nc6 20.Bc6 bc6 21.Ra6 c5 22.Be3 Rc8 23.Ra7 Bf6 24.Ra5 Be7 25.f4 f6 26.Ra6 Kf7 27.Ra7 Ke8 28.Ng1 Rb8 29.Nf3 Rb2 30.Ra8 Kf7 31.g4 Rb3 32.Kd2 Rb2 33.Kd1 Rb1 34.Bc1 Rb7 35.Rc8 Bd6 36.g5 Rc7 37.Rh8 Kg7 38.Rh6 d4 39.Nh4+- fg5 40.fg5 Bg3 41.Rg6 Kf8 42.Rf6 Rf7 43.Ng6 Kg7 44.Nf4 Rf6 45.gf6 Kf7 46.c4 Bh2 47.Ke2 Kf6 48.Kf3 Kf5 49.Nd3 Bd6 50.Nf2 e5 51.Ba3 Bf8 52.Ne4 Be7 53.Bc5 Bc5 54.Nc5 e4 55.Ne4 Ke5 56.Nd2 1–0. Rewitz,Poul (2295) – Pedersen,Sven2 (2115), 49th TCh–DEN XtraCon, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Bd3 h5 9.Nh3 a6 10.0-0 Nc6 11.Nf4 h4 12.Qg4 Kf8?? (better is 12...g5 13.Nh3 Nh6=) 13.Qf3+- Rh6 14.Ng6 Ke8 15.Bh6 Nh6 16.Ne7 Ne7 17.Nd2 Nef5 18.Qf4 Rc8 19.Rfc1 g5 20.Qf3 g4 21.Qf4 Bb5 22.Bf5 Nf5 23.Qg4 Ke7 24.Qg5 Kd7 25.Qd8 Rd8 26.g4 Ne7 27.Kg2 Be2 28.f3 Ng6 29.Kf2 Bb5 30.Ke3 h3 31.f4 Nh4 32.Kf2 Rg8 33.Rg1 Ng2 34.Rg2 hg2+/- 35.h3 Rc8 36.Ra3 Bd3 37.Kg2 a5 38.h4 a4 39.Kf3 Bc2 40.Ke3 Rg8 41.Ra2 Bb3 42.Nb3+- ab3 43.Rg2 Kc6 44.h5 Kb5 45.Kd3 Ka4 46.g5 Ka3 47.h6 b5 48.f5 Rh8? 49.fe6+- fe6 50.Rg1 b2 51.Kc2 b4 52.cb4 Ka2 53.b5 Rc8 54.Kd3?? Rg8+/- 55.b6 Rg5 56.Rd1 Rg8 57.h7 Rb8 58.Kc2 Rc8 59.Kd2 b1Q 60.Rb1 Kb1 61.b7 Rb8 62.Ke3 Kc2 63.Kf4 Kd3 64.Kg5 Kd4 65.Kf6 Kc5 66.Ke6 d4 67.Kf6 d3 68.e6 d2 (68...d2 69.e7 d1Q 70.Kg7 Qh5 71.Kf6 Qh6 72.Kf5 Qh7 73.Kf4 Qe7 74.Kf5 Rf8 75.Kg6 Qf7 76.Kh6 Rg8 77.b8Q Qg6) 0–1. Zajarnyi,Anatolyi (2360) – Parligras,Cosmin (2245), Techirghiol, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Qg4 Kf8 9.h4 (9.Bd3 Qb6=) 9...h5 (9...Nc6 10.Nf3+=) 10.Qg3 Nh6 11.Bh6 (better is 11.Bd3!?+=) 11...Rh6-/+ (11...gh6?! 12.Nf3=) 12.Bd3 Qb6 13.Nd2 Qb2 14.Rb1 Qc3 15.Ne2 Qc7 16.Qf4 (16.0-0 Nc6-+) 16...Nc6 17.Rc1 (17.Rh3 a5-+) 17...Rc8 (17...a5 18.0-0-+) 18.0-0 f5 (18...Kg8 19.Rc2-+) 19.Nf3-/+ Rg6 (19...Kg8 20.Qg3-/+) 20.g3 (20.Qe3 Qd8-/+) 20...Qd8 (20...Kg8 21.Qe3-+) 21.Kh2 (21.Qe3 Kg8-/+) 21...Nb4 (21...Kg8 22.Qe3-+) 22.Rc8 Qc8 23.Rc1 (23.Qe3 Nd3 24.Qd3 a5-+) 23...Qe8 (23...Qd8 24.Ne1-+) 24.Ne1 (24.Qe3 Nd3 25.Qd3 a5-+) 24...Qd8 (24...a5 25.Qf3-+) 25.Qf3 (25.Qe3 a5-/+) 25...Bh4! 26.Nf4 (26.gh4 Qh4 Double attack) 26...Rg4 27.Bf1 (27.gh4 Qh4 28.Nh3 Rd4-/+) 27...Bg3! 28.fg3 h4 29.Bh3 Rg3 (29...hg3?! 30.Kg2 Rh4 31.Ng6 Ke8 32.Nh4 Qh4 33.Rc7=) 30.Qh5 Qg5 31.Qg5= Rg5 32.Rc7 Ke8 33.Rb7 a5 34.Nf3= Rg3 35.Nh4 Rc3 36.Nh5 Kd8 37.Ng6 Kc8-/+ 38.Ra7 Nc6 39.Ra8 Kb7 40.Rg8 a4 41.Rg7 a3-+ 42.Nf8 Rc2 43.Kh1 Rc1 44.Kh2 a2 45.Rd7 Kb8 46.Ne6 a1Q 47.Bg2 Nd4 48.Nef4 Nc6 49.e6 Qd4 50.Rd5 Qg1 51.Kg3 Qe1 52.Kh2 Qh4 53.Bh3 Rc2 54.Kg1 Qg3 55.Bg2 Rc1 (55...Rc1 56.Rd1 Rd1) 0–1. Mordiglia,Riccardo (1870) – Cordara,Michele (2105), Celle Ligure op, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Qg4 Bf8 9.Bd3+=.

    8.Qg4 g6 9.Nf3 h5 10.Qf4 g5 (better 10...h4!?=) 11.Ng5+= Bg5 12.Qg5 Qg5 13.Bg5 f6 14.ef6 Kf7 15.h4 Nf6 16.Rh3 Bc6 17.Rf3 Nbd7 18.Na3 a6 19.Bd3 Kg7 20.Nc2 Rhf8 21.Rg3 Kf7 22.Rf3 Kg7 23.Rg3 Kf7 24.Rf3 (24.Bf4!?+-) 24…Kg7= ½–½. Grass,Ernest (1945) – Czech,Ludwig (2085), Frankfurt–ch, 2009. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Bd7)

    7.e5 f5

    8.Na3 Nc6 9.Nf3 +=.

    8.Na3 Bd7 9.Nf3 Bc6 (9...Nc6 10.Be2+=) 10.h4 (10.Bd3 a6=) 10...Nd7 11.Ng5 (11.Rh3 Nb6+=) 11...Nf8 12.Nb5 (12.Bd3 a6+=) 12...a6-/+ 13.Na3 b5 14.Nc2 h6 (14...Qc7 15.Nb4 a5 16.Nc6 Qc6 17.Qd3+=) 15.Nf3+= g6 (15...Qc7 16.Nb4 Bb7 17.Na6 Ba6 18.Bb5 Bb5 19.Ra8 Kf7 20.Qb3+=) 16.Ba3 Nd7 (16...Qc7 17.h5+=) 17.Be7 (17.Bd3 Bb7+=) 17...Ne7 18.Nd2 (18.Ra3 0-0+=) 18...Nb6 (18...Qc7 19.Qf3+=) 19.g4 (19.h5 g5+=) 19...Na4 20.gf5 (20.Qf3 Qc7+=) 20...gf5 (20...Nf5 21.Ra3-/+) 21.Qh5 Kd7 22.Nb3 (22.Rh3 Qc7+=) 22...Qe8 (22...Qg8 23.Ne3+=) 23.Qf3 (23.Qe2 Rg8+=) 23...Qg6 24.Be2 (24.Ne3 Rhg8+=) 24...Kc7 (24...Rhg8 25.Ne3-/+) 25.Kd2 (25.h5 Qg7=) 25...Rhg8+= 26.Rag1 (26.Na5 Kd7+=) 26...Qf7 (26...Qg1 27.Rg1 Rg1 28.Qe3-/+) 27.Ne1 (27.Rg8 Rg8 28.Nb4 Bb7=) 27...Rg1 (27...Kd8 28.Nd3+=) 28.Rg1= Rg8 (28...Kd8 29.Nd3=) 29.Rg8 Qg8 (29...Ng8 30.Nd3=) 30.Nd3+= Bd7 31.Nbc5 Nc5 32.Nc5 (worse is 32.dc5 Kd8-/+) 32...Bc8 33.Qh1 Qg6 (33...Nc6 34.Qf3+=) 34.Qa1 Kb6 35.Qa3 Nc6 36.Nd3 (36.Bf3 Qg1 37.Nd3 Qg7=) 36...Qe8 37.Qc5 (37.h5 Qe7 38.Qc1 Kc7=) 37...Kb7+= 38.Qa3 Qe7 39.Nc5 Kb6 (39...Kc7 40.h5=) 40.h5 Qg5 41.Kc2 ½–½. Lampen,Timo – Saastamoinen,Aarne, Tampere TampY FIN, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Bd3 a6 9.Qh5 g6 10.Qh3 +=.

    8.Bd3 Bd7 9.Nh3 g6 10.g4 Nc6 11.gf5 ef5 12.Nf4 Na5 13.e6 (13.Rg1!?+=) 13...Bc6+= 14.Bf5 Qc7 (14...gf5?? 15.Qh5 Kf8 16.Qf7) 15.Bh3 Nc4 16.Qf3 Nf6 17.Nd3 0-0 18.Bh6 Ne4 (18...Rfe8!?=) 19.Bf8+= Rf8 20.Qe2 Bb5 21.0-0 Ncd6 22.f3 Nc3 23.Qc2 Rc8 24.Rc1?? (better is 24.Ra3 Bd3 25.Qd3+=) 24...Ne2! 25.Qe2 Qc1 26.Nc1 Rc1 27.Qf1?? (27.Kf2 Be2 28.Ke2-+) 27...Bf1 (27...Rf1?! 28.Bf1 Bf6 29.Kg2 Bd4 30.Ra3-/+) 28.Bf1 Bf6 (better is 28...Nf5 29.Kf2 Bf6 30.e7-+) 29.Kg2 Bd4 30.Ra4 Bc5 31.Bd3 b5 32.Rf4 Kg7 33.Kh3 Be3 34.Rb4 a6 35.Rb3 Bc5 36.Nc3 d4 37.Nd5 Nc4 38.e7 Kf7 39.e8Q Ke8 40.Nc7 Kd7 41.Na6 Kc6 42.Nb8 Kb6?? 43.Nd7= Kc6 44.Nb8 Kd6 45.Rb5 Ne5 46.Be4 d3 47.f4 Nc4 48.Rb7 Nb6 49.Bd3 Rc3 50.Rh7 Rd3 51.Kg4 Rd1 52.h4 Rg1 53.Kf3 Ke6 54.h5 Bd6 55.Nc6 Rf1 56.Ke2 Rf4 57.Rh6? Kd5 58.Nd8 g5 59.Rg6 Be7 60.Rb6 Bd8 61.Rb8 Bf6 62.Rb5 Ke6 63.Rb6 Kf5 64.Rb5 Kg4 0–1. Pundt,Wilfried (1935) – Mueller,Waldemar (2145), GER–chT Seniors, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 f5)

    8.Bd3 Bg5?? 9.f4 (better is 9.Qh5 g6 10.Qg5 (10.Bg5?! gh5 11.Bd8 Kd8=) 10...Qg5 11.Bg5+-) 9...Be7 10.Nf3 Nh6 11.0-0 0-0 12.Kh1 Bd7 13.Ng5 Nf7 14.g4 (14.Nf7!? Rf7 15.Ba3+=) 14...Ng5-/+ (14...Bg5?! 15.fg5 Ng5 16.gf5 ef5 17.Qb3=) 15.fg5 Bg5 16.gf5 Bc1 17.Qc1 ef5 18.Ra2 Nc6 19.Rg2 Qh4 20.Rf4 Qe7 21.Qe1 Rae8 22.Nd2 Ne5 23.de5 Qe5 24.Qe5 Re5 25.Re2 Rfe8 (25...Re2 26.Be2 Rc8 27.Bf3-+) 26.Rff2 (26.Re5 Re5 27.Rd4 Bc6-/+) 26...g6 27.Nb3 Re3 28.Re3 Re3 29.Rd2 Kf7 30.Nd4 Kf6 31.Kg1 ½–½. Martinez Gil,Joaquin (2060) – Colomar Llorca,Luis Miquel, Alzira–chT, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 f5)

    8.Bd3 g6 9.Nf3 (9.Nh3 Bd7+=) 9...Nc6 (9...h5 10.Ng1+/-) 10.h4 (10.0-0 b6+/-) 10...a6 11.Na3 Rb8 12.h5 (12.Nc2 Kf7+=) 12...g5= 13.h6 (13.0-0 Nh6=) 13...g4 14.Ng1 Bg5 (14...b5 15.Ne2=) 15.f3 Nh6 16.g3 Nf7 17.fg4 Bc1 18.Rc1 Qg5 19.gf5 Qg3 20.Kd2 ef5 21.Ne2 Qg5 22.Kc2 Nh6 23.Nf4?? Qf4-+ 24.Qh5 Nf7 25.Rcf1 Qg5 26.Qh2 Be6 27.Rhg1 Qh6 28.Qf2 Rc8 29.Kb2 Ne7 30.Qc2 Nd8 31.Rh1 Qf8 32.Rh5 Qg7 33.Rfh1 Rc6 34.Rh6 Bd7 35.R6h2 Rg6 36.c4 Be6 37.c5 Ndc6 38.Qf2 Rg4 39.Nc2 Rg3 40.Qe2 Ng6 41.Ba6 ba6 42.Qa6 Nd8 43.c6 Qc7 44.Nb4 Qb8 45.Qa4 Qc7 46.Rh7?? Rh7-+ 47.Rh7 Qh7 48.c7 Ke7 49.Nd5 Kf7 50.c8Q Qh2 51.Qcc2 (51.Qcc2 Rg2 52.Qa7 Kf8 53.Nb4-+) 1–0. Pundt,Wilfried (1865) – Helmsen,Franz (2155), Niedersachsen–ch Seniors, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Nf3 Nc6 =.

    8.Nf3 Bd7 9.Na3 Qc8 10.Qb3 A) 10...b6 A1) 11.Bd2 Qb7 (11...Qc6 12.Bb5 Qc7 13.Be2 Bc6 14.Nb5 Qd7 15.Bg5 Bf8 16.0-0 h6=; 11...Qd8 12.Nb5 a6 13.Bg5 Kf8 14.Be7 Ne7 15.Nd6 Nc8 16.c4 Nd6=; 11...Bc6 12.Nb5 Qd7 13.Bg5 Bf8 14.Be2 h6 15.Bc1 g5 16.Ba3 Ba3=) 12.Be2 a6 13.c4 Bc6 14.0-0 Nd7 15.Rfc1 dc4 16.Nc4 Bd5=; A2) 11.Nb5 Nc6 (11...a6 12.Bg5 Bb5 13.Bb5 Kf7 14.Bd3 Qc6 15.0-0 b5 16.Ra5 Bg5=; 11...Qb7 12.Ba3 Bb5 13.Bb5 Kf8 14.0-0 a6 15.Bd3 Qc6 16.c4 Ba3+/- 1.09) 12.Bg5 Na5 13.Qc2 a6 14.Be7 Bb5 15.Bb5 Ke7 16.Bd3 Nc4=; A3) 11.Bd3 Nc6 12.0-0 Na5 13.Qb2 a6 14.Bg5 b5 15.Nc2 Nc4 16.Bc4 Qc4+=; A4) 11.c4 Bc6 (11...Qc6 12.cd5 ed5 13.Bd3 a5 14.0-0 a4 15.Qb1 Nh6 16.Bh6 Qh6=; 11...a5 12.Bd2 Qc6 13.cd5 ed5 14.Nb5 Na6 15.Rc1 Qe6 16.Ng5 Qg6+=) 12.Nb5 Qd7 13.Ba3 Bb5 14.cb5 Ba3 15.Qa3 Ne7 16.Be2 0-0=; B) 10...a6 11.c4 h6 (11...Ra7 12.c5 Bd8 13.Bd2 Nc6 14.Nc2 Nge7 15.Be2 0-0 16.0-0 Ng6=; 11...a5 12.c5 a4 13.Qb2 Qc6 14.Be2 Na6 15.0-0 Nc7 16.Be3 Rb8+/-; 11...Nc6 12.c5 Bd8 13.Nc2 Nge7 14.Be2 b5 15.cb6 Qb7 16.0-0 Bb6=) 12.Be2 Nc6 13.c5 Rb8 14.Nc2 Qc7 15.Rb1 Bd8 16.0-0 b6=; C) 10...Qc6 C1) 11.c4 Na6 (11...b6 12.cd5 ed5 13.Bd3 a5 14.0-0 a4 15.Qb1 Nh6 16.Bh6 Qh6=; 11...a5 12.Nb5 dc4 13.Bc4 Na6 14.0-0 Nb4 15.Ba3 a4 16.Bb4 ab3+=; 11...dc4 12.Bc4 Na6 13.d5 ed5 14.Bd5 Nc5 15.Qc4 Qg6 16.Nb5 Kf8+=) 12.cd5 Qd5 13.Bc4 Qe4 14.Be3 Nc7 15.0-0 Bc6 16.Rfc1 Bd5=; C2) 11.Bg5 h6 (11...Bg5 12.Ng5 Ne7 13.Bb5 Qb6 14.Bd7 Kd7 15.Qb6 ab6 16.Kd2 Nbc6=; 11...Bf8 12.Nb5 Na6 13.Be3 h6 14.Be2 g5 15.Nd6 Bd6 16.ed6 Nf6+=; 11...a5 12.Nb5 Bf8 13.c4 Na6 14.Ra5 dc4 15.Bc4 Rc8 16.Ra4 Nc7+/-) 12.Be7 Ne7 13.Nb5 Nc8 14.Be2 a6 15.Qa3 Qb6 16.Nd6 Nd6=; C3) 11.Bb5 Qb6 (11...Qc7 12.Be2 a6 13.0-0 Nc6 14.Nb5 Qb8 15.Qa2 h6 16.Be3 g5=) 12.c4 dc4 13.Bc4 Qb3 14.Bb3 a5 15.Nc2 b5 16.Rb1 a4-/+; C4) 11.Nb5 a6 (11...Na6 12.Be2 h6 13.0-0 g5 14.Nd6 Bd6 15.ed6 Nf6 16.Ne5 Qb6+/-; 11...a5 12.Ba3 a4 13.Qb2 Kf8 14.Be7 Ne7 15.Nd6 Qc7 16.Ra3 Nbc6+=) 12.Bg5 Bf8 13.c4 dc4 14.Bc4 b6 15.Nc3 b5 16.Bd3 Ne7=; D) 10...Nc6 D1) 11.Qb2 a6 (11...b6 12.c4 Qd8 13.Be2 a6 14.0-0 dc4 15.Nc4 b5 16.Nd6 Bd6=; 11...a5 12.Rb1 Nb8 13.Be2 Bc6 14.0-0 Nd7 15.Bg5 a4 16.Rfc1 Qd8=; 11...h6 12.c4 a6 13.c5 Rb8 14.Nc2 Qc7 15.Rb1 Bd8 16.Qa1 Nge7=) 12.c4 Qd8 13.Be2 dc4 14.Nc4 b5 15.Nd6 Bd6 16.ed6 Nf6+=; D2) 11.Nb5 a6 12.Nd6 Bd6 13.ed6 Nf6 14.Bd3 b5 15.0-0 0-0 16.Bf4 Ne4+=; D3) 11.Qa2 Bf8 (11...Na5 12.Nb5 b6 13.Bg5 Bf8 14.Qb2 Nc4 15.Bc4 Qc4 16.Nd6 Bd6 17.ed6+=; 11...a6 12.Be2 Ra7 13.Nc2 b5 14.0-0 Qc7 15.Ba3 Nh6 16.Rfb1 0-0+=; 11...b6 12.Be2 a6 13.0-0 Na5 14.Qb2 Qc7 15.Bg5 b5 16.Rfe1 Bg5+= ) 12.Nb5 a6 13.Bd2 Rb8 14.Nd6 Bd6 15.ed6 Nf6 16.Qb3 0-0+=; D4) 11.Be2 Na5 (11...a6 12.0-0 b5 13.Be3 Na5 14.Qb2 Qc7 15.Rfc1 Rb8 16.Bg5 Bg5=; 11...b6 12.0-0 Na5 13.Qb2 Qc6 14.Bg5 Ba3 15.Ra3 h6 16.Be3 g5=) 12.Qb2 a6 13.Bg5 b5 14.0-0 Qc7 15.Nc2 Bg5 16.Ng5 Ne7+=.

    8.Nf3 Bd7 9.Na3 Qc8 10.Nb5 Bb5 (10...a6 A) 11.Qc2 Nc6 (11...Bb5 12.Bb5 Nc6 13.Be2 b5 14.0-0 g5 15.Ng5 Bg5 16.Bh5 Kd7=; 11...b6 12.Bd3 Bb5 13.Bb5 Nd7 14.Bd3 b5 15.0-0 Qc6 16.Be3 Nb6+=) 12.Nd6 Bd6 13.ed6 Nf6 14.Bd3 0-0 15.Bf4 b5 16.0-0 Ne4+=; B) 11.Bd2 Nc6 (11...Bb5 12.Bb5 Nc6 13.Be2 b5 14.0-0 Ra7 15.Qb3 Bd8 16.Ra3 Ra8=; 11...b6 12.Nd6 Bd6 13.ed6 Nf6 14.Ne5 0-0 15.Qb3 b5 16.Bg5 Ne4+=; 11...Qc6 12.Bd3 b6 13.Qa4 Ra7 14.Na7 Qa4 15.Ra4 Ba4 16.Nc8 b5=) 12.Nd6 Bd6 13.ed6 Nf6 14.Bf4 0-0 15.Be2 Na7 16.Qb3 Bb5-/+; C) 11.Bg5 Bb5 12.Bb5 Nd7 13.Bd7 Qd7 14.0-0 b5 15.Qd2 a5 16.Rfb1 a4+=; D) 11.Qb3 Nc6 (11...Bb5 12.Bb5 Nc6 13.Be2 b5 14.0-0 Ra7 15.Bf4 Qc7 16.Rfb1 h6+=) 12.Nd6 Bd6 13.ed6 Nf6 14.Be2 0-0 15.Bf4 b5 16.0-0 Ne4+=) 11.Bb5 Nc6 (11...Nd7 12.Bd2 a6 13.Qa4 Qc7 14.Bd3 Kf7 15.Qb3 Qc6 16.0-0 b5=) 12.0-0 a6 13.Qa4 (13.Be2 b5 14.Be3 Ra7 15.Qd2 Qc7 16.Rfb1 Na5=) 13...Ra7 14.Bc6 (14.Be2 b5 15.Qb3 Qc7 16.Ng5 Bg5+=) 14...Qc6 (worse is 14...bc6 15.Be3= Qd7 16.Rfb1 Bd8=) 15.Qc6 (15.Qb3 b5 16.Ra5 Bd8-/+) 15...bc6 16.Ba3 (16.Bg5 h6+=) 16...Kd7 17.Rfb1 Ba3 18.Ra3 Ne7 19.Ng5 h6 20.Nf7 Rha8 21.Nd6 Nc8 22.Nb7 a5 23.Nc5 Ke7 24.Kf1 g5 25.Ke2 h5 26.Kd3 Kf7 27.Kc2 g4 28.Ra2 f4 29.Nd3 f3 30.gf3 gf3 31.Ne1 Ke8 32.Kd2 Rc7 33.Nf3 c5 34.Rb5 cd4 35.Nd4 Rc4? 36.Ne6 a4 37.Rd5 Ne7 38.Rd4 Rc6 39.Ng7 Kf7 40.Nh5 Rh6 41.Nf4 Rh2 42.Ke2 a3 43.Rd3 Rh4 44.Kf3 Ke8 45.Ne6 Kf7 46.Nd4 Nd5 47.e6 Ke8 ½–½. Krumova,Ani (1915) – Edes,Zsofia (2095), World Girls U20 Championship Czarna Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.Nf3 Bd7 9.Na3 Qc8 10.Qc2 A) 10...Qc6 A1) 11.Be2 Na6 (11...a6 12.0-0 b5 13.Qa2 Qb7 14.Be3 Bc6 15.Nc2 Qc7 16.Ng5 Qd7=; 11...b6 12.0-0 a6 13.Qb3 b5 14.Qa2 Qb6 15.Qb3 Bc6 16.Ng5 Bb7=) 12.Bg5 Nc7 13.0-0 b5 14.Rfb1 a6 15.Qd3 Bg5 16.Ng5 Ne7+=; A2) 11.Bf4 a6 (11...Qb6 12.c4 g5 13.c5 Qd8 14.Bc1 g4 15.Nd2 Nc6 16.Qc3 Nh6=; 11...h6 12.Nb5 g5 13.Be3 a6 14.Qa4 b6 15.Bd3 g4 16.Nd2 Ra7=; 11...b6 12.Bb5 Qb7 13.Be2 b5 14.0-0 a6 15.Qa2 Bc6 16.Nc2 Qc7=) 12.Be2 h6 13.0-0 b5 14.Rfb1 g5 15.Be3 g4 16.Nd2 Bg5=; A3) 11.Bb5 Qb6 (11...Qc7 12.Bd3 a6 13.0-0 Nc6 14.Nb5 Qc8 15.Nd6 Bd6 16.ed6 Nf6=) 12.Be2 Nc6 13.Rb1 Qa5 14.0-0 a6 15.Ra1 Qd8 16.c4 dc4=; A4) 11.Nb5 a6 (11...Na6 12.Bf4 h6 13.Nd6 Bd6 14.ed6 Nb8 15.Ne5 Qc8 16.Be2 Nf6+=; 11...Qb6 12.Qb2 Bb5 13.Bb5 Nc6 14.Qe2 a6 15.0-0 Rc8 16.Bd3 Qc7=) 12.Bg5 Bf8 13.Qa4 b6 14.Bd3 h6 15.Bc1 g5 16.0-0 g4=; B) 10...b6 B1) 11.Bd3 Qc6 (11...a6 12.Be2 Ra7 13.0-0 Rc7 14.Bd2 b5 15.Qb3 Nc6 16.Rfb1 h6=; 11...Bc6 12.Qb3 Bb7 13.Nb5 Nc6 14.Bg5 Bf8 15.0-0 Na5 16.Qb2 h6=; 11...Nc6 12.0-0 a6 13.Be3 b5 14.Rfb1 Ra7 15.Qd1 Na5 16.Qd2 Qc7=) 12.Bf4 a6 13.0-0 b5 14.Rfb1 Bd8 15.Bd2 Ba5 16.Rb3 Qc7=; B2) 11.Be3 Bc6 (11...Nc6 12.c4 Na5 13.cd5 Bb4 14.Kd1 Qc3 15.Ra2 ed5 16.Nb5 Qc2+=; 11...a6 12.Bd3 Nc6 13.0-0 b5 14.Rfb1 Ra7 15.Qd2 h6 16.Nc2 g5=; 11...Qc6 12.Be2 a6 13.0-0 h6 14.c4 g5 15.Rfc1 g4 16.Nd2 dc4=) 12.Be2 a6 13.0-0 b5 14.Qb3 Bb7 15.Rfb1 Nc6 16.Nc2 Bd8=; B3) 11.Nb5 a6 12.Bf4 Nc6 13.Nd6 Bd6 14.ed6 Nf6 15.Bd3 0-0 16.0-0 Ne4+=; B4) 11.Be2 a6 (11...Bc6 12.Qb3 Nd7 13.0-0 Qc7 14.Nb5 Qb7 15.Ng5 Bb5 16.Bb5 Bg5+=; 11...Qc6 12.0-0 a6 13.Qb3 b5 14.Qa2 Qb6 15.Be3 Bc6 16.Nc2 Bb7=; 11...Nc6 12.0-0 Na5 13.Bg5 Ba3 14.Ra3 Nc4 15.Ra2 h6 16.Bf4 g5=) 12.0-0 Bc6 13.Qb3 b5 14.Bg5 Bg5 15.Ng5 Ne7 16.Qb4 h6=; C) 10...Nc6 C1) 11.Qb2 a6 (11...a5 12.Rb1 Nd8 13.Be2 Qc7 14.0-0 a4 15.Bg5 Bg5 16.Ng5 Ne7=; 11...b6 12.c4 Nb4 13.Bg5 a5 14.Be2 Qd8 15.Qd2 h6 16.Be7 Ne7=; 11...h6 12.c4 a6 13.c5 Rb8 14.Nc2 a5 15.Bb5 Bd8 16.0-0 b6=) 12.c4 Qd8 13.Be2 dc4 14.Nc4 b5 15.Ncd2 Nb4 16.Nb3 Bc6+=; C2) 11.c4 dc4 (11...Qd8 12.c5 a6 13.Be2 b6 14.0-0 bc5 15.dc5 Qb8 16.Qc3 d4+=; 11...a5 12.Qb2 Ba3 13.Ra3 dc4 14.Bc4 Nb4 15.Bd2 Qc4 16.Bb4 b6+=; 11...g5 12.Bg5 Bg5 13.Ng5 Nd4 14.Qd1 Qc5 15.Qh5 Ke7 16.Bd3 Nb3+=) 12.Nc4 b5 13.Na3 Nb4 14.Qb3 a6 15.Bd2 Nd5 16.Be2 Bc6+=; C3) 11.Be2 h6 (11...Qd8 12.Qb2 b6 13.0-0 a6 14.c4 dc4 15.Nc4 b5 16.Nd6 Bd6=; 11...a5 12.0-0 Na7 13.Be3 b5 14.Qd2 Bc6 15.Rfb1 Qd7 16.Nc2 Qc7=; 11...a6 12.c4 dc4 13.Nc4 b5 14.Nb6 Nb4 15.Qc8 Rc8 16.Nc8 Nc2=) 12.0-0 g5 13.Nb5 g4 14.Nd2 a6 15.Qa2 Nd8 16.Bb2 Nf7+=; D) 10...a6 D1) 11.Be2 Bc6 (11...Qc6 12.0-0 b5 13.Qa2 Qb7 14.Bg5 Bc6 15.Rfb1 Qc7 16.Nc2 Bb7=; 11...Qd8 12.0-0 Bc6 13.Be3 b5 14.Qb3 g5 15.Rfb1 Nd7 16.Nc2 Bb7=; 11...b6 12.0-0 Bc6 13.Bg5 b5 14.Qd3 Nd7 15.Nc2 Qc7 16.Rfb1 Ra7=) 12.0-0 b5 13.Bg5 Bg5 14.Ng5 Ne7 15.Bh5 g6 16.Be2 h6+=; D2) 11.Qb3 Nc6 12.Be2 Na5 13.Qb2 Ba4 14.Bg5 b5 15.0-0 Qc7 16.Be7 Ne7+=; D3) 11.Nb5 Nc6 (11...Bb5 12.Bb5 Nc6 13.Be2 b5 14.0-0 g5 15.Ng5 Bg5 16.Bh5 Kd7=; 11...b6 12.Bd3 Qc6 13.Qa4 Ra7 14.Ba3 Rb7 15.Nd6 Qd6 16.ed6 Ba4=) 12.Nd6 Bd6 13.ed6 Nf6 14.Bd3 0-0 15.Bf4 Ne4 16.0-0 b5+=; D4) 11.Qb2 Nc6 (11...Ra7 12.Bg5 Qc7 13.Be7 Ne7 14.c4 dc4 15.Bc4 b5 16.Bb3 Qb7+=; 11...b6 12.Be2 Qc6 13.0-0 Bc8 14.c4 dc4 15.Nc4 Nd7 16.Bg5 b5+=; 11...Bc6 12.Bd3 b5 13.0-0 Nd7 14.Bg5 Qc7 15.Nc2 Bb7 16.Ne3 Rc8=) 12.c4 dc4 13.Nc4 Rb8 14.Qb6 Qd8 15.Rb1 Qb6 16.Nb6 Nb4+=.

    8.Nf3 Bd7 9.Na3 Qc8 10.Bd2 A) 10...Qc6 A1) 11.Bd3 b6 (11...a6 12.c4 Kf7 13.cd5 Qd5 14.Nc4 Bb5 15.Ra5 Bc4 16.Rd5 Bd5+/-; 11...Kf7 12.Qb3 a6 13.c4 dc4 14.Nc4 b5 15.Ne3 Nh6 16.Ra5 Qb7+=; 11...a5 12.Nb5 Qb6 13.Qb3 Kd8 14.0-0 Bb5 15.Bb5 Nc6 16.c4 dc4+/-) 12.c4 Ba3 13.cd5 Qd5 14.Ra3 Bb5 15.Bb5 Qb5 16.Rc3 Ne7+=; A2) 11.Be2 a6 (11...b6 12.Qb3 a6 13.0-0 b5 14.Rfb1 Qb7 15.c4 dc4 16.Bc4 Qc6+=; 11...Kf7 12.Qb3 a6 13.c4 Ba3 14.Ra3 dc4 15.Bc4 Ne7 16.0-0 h6+=; 11...Na6 12.0-0 Nc7 13.c4 Ba3 14.Ra3 dc4 15.Bc4 Qc4 16.Rc3 Qa4=) 12.Nc2 b5 13.0-0 Qc7 14.Nb4 a5 15.Nc2 Na6 16.Na3 Rb8=; A3) 11.Nb5 a6 (11...a5 12.Bg5 Bf8 13.Ra4 h6 14.Be3 Be7 15.Bd3 g5 16.Qb3 b6=; 11...Na6 12.Qb3 h6 13.Nd6 Bd6 14.ed6 Nf6 15.Ne5 Qc8 16.c4 Ne4+/-; 11...Qb6 12.Qb1 Bb5 13.Bb5 Nc6 14.c4 Qd8 15.c5 Qc8 16.0-0 Bd8+=) 12.Bg5 Bf8 13.Qa4 b6 14.Be2 h6 15.Be3 g5 16.Bd3 Ra7+=; A4) 11.Qb3 a6 12.c4 dc4 13.Bc4 b5 14.Bd3 Bc8 15.Ke2 Bb7 16.Nb5 Qd7=; B) 10...a6 B1) 11.Bd3 Nc6 (11...Qc6 12.c4 Kf7 13.cd5 Qd5 14.Nc4 Ra7 15.Nb6 Qc6 16.Qb3 Bd8+/- 1.09; 11...Bc6 12.Qb3 b5 13.0-0 Qc7 14.Bg5 h6 15.Be3 Nd7 16.Nc2 Bb7=; 11...Qc7 12.0-0 Ra7 13.Kh1 b5 14.Nc2 Nc6 15.Nb4 Qb6 16.Nc6 Qc6+=) 12.c4 Ba3 13.cd5 Be7 14.dc6 Bc6 15.Qe2 b5 16.0-0 Qb7+=; B2) 11.Qb3 Ra7 (11...Bc6 12.c4 dc4 13.Bc4 Kf7 14.d5 ed5 15.Bd5 Bd5 16.Qd5 Kg6=; 11...Qc6 12.c4 dc4 13.Bc4 b5 14.Bd3 g5 15.0-0 g4 16.Rfc1 Qb6+=) 12.c4 dc4 13.Nc4 b5 14.Nb6 Qc6 15.Nd7 Rd7 16.Rc1 Qd5=; B3) 11.Qb1 Bc6 (11...Qc6 12.Be2 b6 13.Qb3 b5 14.0-0 Qb7 15.c4 dc4 16.Bc4 Ba3=; 11...g5 12.h3 h6 13.Be2 Rh7 14.Qb3 Nc6 15.c4 g4 16.hg4 fg4=; 11...Qc7 12.Qb3 Qc6 13.Be2 b5 14.0-0 Qb7 15.c4 dc4 16.Bc4 Ba3=) 12.Nb5 Bb5 13.Bb5 Nc6 14.Be2 b5 15.Qb3 Bd8 16.0-0 Nge7+=; B4) 11.Be2 Nc6 (11...Qc6 12.Nc2 Qc7 13.0-0 b5 14.Nb4 a5 15.Nc2 Ra7 16.Na3 Rb7=; 11...Bc6 12.Qb3 b5 13.0-0 Bb7 14.Bg5 Bg5 15.Ng5 Nc6 16.Bb5 Rb8+=; 11...Qc7 12.Qb3 Bc6 13.Nb5 Bb5 14.Bb5 Nc6 15.Bd3 Qd7 16.0-0 Bf8=) 12.0-0 b5 13.Nc2 Ra7 14.Nb4 a5 15.Nc2 Rb7 16.Qb1 h6=; C) 10...Na6 C1) 11.Nb5 Nc7 (11...Qc6 12.Qb3 h6 13.Nd6 Bd6 14.ed6 Nf6 15.Ne5 Qc8 16.c4 Ne4+/-; 11...Bf8 12.Nd6 Bd6 13.ed6 Nb8 14.Ne5 Nf6 15.c4 Nc6 16.Nc6 Qc6=) 12.Nd6 Bd6 13.ed6 Nb5 14.Bb5 Bb5 15.Ne5 Nf6 16.Qf3 b6+=; C2) 11.Be2 Nc7 (11...Qc6 12.0-0 Nc7 13.c4 Ba3 14.cd5 Qd5 15.Ra3 Bb5 16.Bb5 Nb5=; 11...Qc7 12.0-0 Bc6 13.Nb5 Qd7 14.Qb3 h6 15.Rfb1 Rh7 16.Nd6 Bd6+=; 11...b6 12.0-0 Nc7 13.Qb3 Bc6 14.Rfc1 Qd7 15.c4 dc4 16.Qc4 Ba3=) 12.c4 dc4 13.Nc4 Qd8 14.Na5 b6 15.Nc4 Bc6 16.Qb3 Nd5+=; C3) 11.Bd3 Nc7 (11...Qd8 12.0-0 Nc7 13.Qb3 Bc6 14.Rfb1 a6 15.Qb6 Ba3 16.Ra3 Nb5=; 11...b6 12.0-0 Nc7 13.Qb3 Bc6 14.Rfb1 Qd7 15.Nc2 b5 16.Ra5 a6=; 11...Qc6 12.Nb5 Nc7 13.Nc7 Qc7 14.0-0 a6 15.Qb3 b5 16.Rfb1 Bc6=) 12.0-0 Ba3 13.Ra3 Bb5 14.Qe2 Bd3 15.Qd3 b5 16.Rfa1 a6+=; C4) 11.Qb3 Nc7 (11...Qc6 12.Nb5 h6 13.Nd6 Bd6 14.ed6 Qc8 15.Ne5 Nf6 16.c4 Ne4+/-; 11...h6 12.c4 Qc6 13.Nb5 dc4 14.Bc4 g5 15.0-0 g4 16.Ne1 Rc8+=; 11...Qc7 12.Nb5 Qc6 13.c4 dc4 14.Bc4 Rc8 15.Rc1 Qb6 16.Nd6 Bd6=) 12.c4 Bc6 13.c5 Rb8 14.Nb5 Nb5 15.Bb5 Bb5 16.Qb5 Qc6=; D) 10...Nc6 D1) 11.Be3 Na5 (11...a6 12.Bd3 b5 13.0-0 Na5 14.Qc2 Qc7 15.Rfe1 h6 16.Rec1 g5+=; 11...b6 12.Bd3 Na5 13.Qc2 a6 14.0-0 Ba3 15.Ra3 Nc4 16.Bc4 Qc4+=; 11...a5 12.c4 Nb4 13.c5 b6 14.Nb5 bc5 15.dc5 Bb5 16.Bb5 Kf7=) 12.Bd2 b6 13.Bd3 a6 14.0-0 Qc7 15.Re1 Ra7 16.Ra2 b5+=; D2) 11.Bd3 a6 (11...b6 12.0-0 a6 13.c4 Ba3 14.cd5 Be7 15.dc6 Bc6 16.Qe2 b5+=; 11...a5 12.0-0 Qd8 13.Qb3 g5 14.Nb5 g4 15.Ne1 h5 16.Nd6 Bd6=; 11...Na5 12.Nb5 Bb5 13.Bb5 Nc6 14.c4 a6 15.Qa4 Ra7 16.Bc6 Qc6+=) 12.c4 Ba3 13.cd5 Be7 14.dc6 Bc6 15.0-0 Qd7 16.Qe2 Bf3+=; D3) 11.Bb5 a6 (11...h6 12.Bd3 a6 13.Nh4 b5 14.Qh5 Kd8 15.Qf7 b4 16.Qg7 bc3+- 2.03; 11...b6 12.Bd3 a6 13.0-0 b5 14.Nc2 Ra7 15.Bg5 h6 16.Be3 g5+=; 11...Na5 12.Bd3 b6 13.0-0 a6 14.Re1 b5 15.Ra2 Ra7 16.Qe2 Qc7+=) 12.Be2 b5 13.Bg5 Bg5 14.Ng5 Nge7 15.Bh5 g6 16.Be2 Ra7+=; D4) 11.Be2 a6 (11...b6 12.0-0 a6 13.c4 Ba3 14.cd5 Nd4 15.Nd4 Bb2 16.de6 Be6=) 12.0-0 b5 13.Nc2 Ra7 14.Nb4 a5 15.Nc2 Rb7 16.Rb1 Nd8=.

    8.ef6 Nf6 9.Nf3 Nc6 10.Bd3 Bd7 11.0-0 0-0 12.Re1 Qc7 13.Bg5 Bd6 14.Bc2 Rac8 15.Re2 Bf4 (15...a5 16.Qd3 Ne4 17.Bc1-/+) 16.Bh4 (16.Bf4 Qf4 17.Re1 a6+=) 16...g6 17.Bd3 a6 18.Qe1 Kg7 19.g3 Bd6 20.Bg5 (20.Ne5!?+=) 20...Ng4-+ 21.Kg2 e5 22.de5 Nge5 (22...Be5?! 23.h3=) 23.Ne5 Ne5 24.Qd2 Nd3 (24...Rfe8 25.Bh6 Kg8 26.Bf4-+) 25.Bh6 Kg8 (25...Kh8 26.Bf8 A) 26...Rf8?! 27.Qd3 Bc5 28.Rd2+= (28.Qd5?? Bc6 29.c4 Bf2-+); B) 26...Bf8 27.Qd3 Bb5-+) 26.Bf8+= Rf8 27.Qd3 Bc6 (27...Bb5!? 28.Qd5 Rf7-/+) 28.f3 Qf7 29.Nd2 Bb5+= ½–½. Inhoven,Stefan (2230) – Bischoff,Dieter (2180), Eppingen op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    8.g4 Bg5 9.Bb5 Nc6 10.Bg5 Qg5 11.gf5 ef5 12.Nf3 +=.

    8.g4 g6 9.Bd3 (better is 9.gf5!? gf5 10.Nh3+=) 9...Nc6 (9...Bg5 10.Bg5 Qg5 11.gf5 gf5 12.Bb5 Bd7 13.Nf3+=) 10.Nh3 (10.gf5 ef5 11.Qf3 Bh4+=) 10...fg4 11.Qg4 Qb6 (11...a6 12.Ng5 Bg5 13.Bg5=) 12.Nf4 Nh6 13.Bg6 (better is 13.Qe2 Bf8 14.Bc2+=) 13...Kd8 (better is 13...hg6 14.Qg6 Nf7 15.Ne6 Be6 16.Qe6 Rf8+=) 14.Ne6+= Be6 15.Qe6 hg6 16.Qg6 (16.Rg1!?+=) 16...Kc7 (better is 16...Rc8 17.Nd2 Nb8+=) 17.Bh6?? (17.Qe6 Qb5 18.h3 Ng8-/+) 17...Rh6 18.Qh6 (18.Qh6 Qb2 Combination) 18...Qb2 19.Qh7?? (19.0-0 Rg8 20.Kh1 Qa1 21.Qe3-/+) 19...Qc1-+ (19...Qa1?! 20.0-0 Qa2 21.Qd3-/+) 20.Ke2 Qh1 21.Ra2 Rf8 22.Na3 a6 23.Qh3 Qc1 24.Nc2 Qb1 0–1. Chulivska,Vita (2045) – Nominas,Kirill (2125), UKR–chT Alushta, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5)

    6.d4 d6

    7.Ba3 Nf6 8.Bd3 0-0 9.Nf3 (9.e5 Nd5 10.Qc2 h6 11.Nf3 de5 12.Ne5 Ba3 13.Ra3 Nd7 14.Bh7=+; 9.Nd2 Nc6 10.Ngf3 b6 11.0-0 Bb7 12.c4 Qc7 13.d5 Nd8 14.Re1=+) 9...b6 (9...Nc6 10.0-0=+ b6 11.e5 de5 12.de5 Nd5 13.Qc2 h6 14.Rd1=+) 10.0-0 (10.Qc2 h6 11.0-0 Bb7 12.c4 Nc6 13.Qb2 Qd7 14.Nbd2=+) 10...Bb7 11.Re1 (11.e5 de5 12.de5 Nfd7 13.Be7 Qe7 14.Nbd2-/+) 11...h6 (11...Nbd7 12.c4 a6 13.Nc3 Re8 14.Qd2=+) 12.c4 Nc6 13.Nc3 (13.Qe2 Qc7 14.d5=+) 13...Re8 (13...Qd7 14.Qe2=+) 14.Qe2 a6 15.Rab1 Nd7 16.d5 Nce5. Ruhmke,Stephan (2235) – Mantu,Eugen (2435), RSLBL – BL2009, 2009.

    7.Na3 Nf6 8.Bd3 e5 9.Nb5 Bd7 10.Nf3 Nc6 11.0-0 0-0 12.d5 Na5 13.h3? Ne4!-+ 14.Qa4 Nc3! 15.Qa5 Qa5 16.Ra5 Nb5 17.Bb5=+ b6 18.Bd7 ba5 19.Bd2 Bd8 20.Ra1 Bb6 21.Ng5 Rfd8 22.Bc6 h6?? 23.Ba8+/- Ra8 24.Ne4 Rd8 25.Ba5 f5 26.Bb6 ab6 27.Nc3 g6 28.Ra6 Rc8 29.Nb5 Rc5 30.Rb6 Rd5 31.Nd6 Kg7 32.Rc6 e4 33.Nc4 f4 34.Kf1 1–0. Popov,Kirill – Koshelev,A (1825), 13th FIDE Open, Voronezh RUS, 2009.

    7.Bb5 Bd7 8.Na3 Nf6 9.Bd3 Bc6 10.Qe2 Nbd7 11.Nf3 0-0 12.0-0 Re8 13.Nb5 a6-/+ 14.Nd6 Bd6-+ 15.e5 Bf3 16.gf3 Be5! 17.de5 Ne5! 18.Bh7 Kh7 19.Qe5 Qd5 20.Qe2 Red8 21.Be3 Qd3 22.Qb2 b5 23.Rfd1 Qf5 24.Qe2 Rd5 25.Rd5 Nd5 26.Bd4 Rc8 27.Ra6 Nc3 28.Bc3 Rc3 29.Qe4 Rf3 30.Qh4 Kg6 (30...Kg6 31.Kf1 Rh3-+) 0–1. Monteagudo Garrido,Pedro – Spassov,Liuben (2440), Mislata op7th, 1998.

    7.Bd3 b6 8.Ne2 Bb7 9.Nd2 Nf6 10.0-0 0-0 11.f4 Nbd7 12.Rf3 e5 (12...Qc7 13.c4-/+) 13.Ng3+= g6 14.f5 (14.Qf1 ed4 15.cd4 a6=) 14...d5+= 15.Qc2 ed4 16.cd4 Rc8 17.Qd1 de4 18.Nde4 Ne4 19.Be4 Be4 20.Ne4 Nf6 21.Nc3 Rc4 22.Ne2 Qd7 23.Bg5 Kg7 24.Qd3 b5 25.Raf1 h6 26.Bh6? (better is 26.Bf6 Bf6 27.fg6 fg6 28.d5+=) 26...Kh6-+ 27.fg6 fg6 28.Rg3 Ng4?? (better is 28...Rg8-+) 29.Rf8+= Bf8 30.h3 Qf5 31.Qd2 Kg7 32.Rg4 Bd6 33.Nf4 Bf4 34.Rf4= Qc2 35.Qc2 Rc2-/+ 36.Rf2 Rc4 37.Ra2+= Rc7 38.Kf2 Kf6 39.Ra6 Kg5 40.Ke3= Rb7 41.Kd3 b4 ½–½. Rewitz,Poul (2305) – Gesser,Bella (2275), Summer IM, Aarhus DEN, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 b6 8.Ne2 Nf6 9.0-0 Bb7 10.Ng3 h5 11.f3 h4 12.Ne2 e5 13.Na3 Nbd7 14.d5 Nc5 15.Bc2 Qd7 16.Be3 Qc8 17.Qd2 Ba6 18.c4 Bb7 19.Nb5 Ba6 20.Rfb1 Bb5 21.Rb5 Qd8 22.Nc3 Nh5 23.Rb2 Nf4 24.Bc5 dc5 25.Ba4 Kf8 26.Bc6 Rb8 27.Ra7 Bg5 28.Qe1?? (28.Qc2 h3 29.g3 Ng6+/-) 28...Qf6?? (28...Nd3 29.Qe2 Nb2 30.Qb2 Be3 31.Kh1-/+) 29.Bd7?? (29.Qf1 Kg8+/-) 29...Nh5?? (better is 29...Nd3 30.Qe2 Nb2 31.Qb2 Be3 32.Kh1 h3-+) 30.Qe2 Bf4 31.Bg4 Qg5 32.Nd1 Bc1 33.Rc2 Nf4+/- 34.Qf1 g6 35.Rc1+- f5 36.Rc2 fg4 37.fg4 Qg4 38.Nf2 Qg5 39.Nh3 Qg4?? 40.Nf4 ef4 41.Qa1 (41.Qa1 Qd1 42.Qd1 Ra8 43.Ra8 Ke7 44.Ra7 Kf6 45.Qg4 Ke5 46.Re7 Kf6 47.Re6 Kg7 48.Qg6 Kf8 49.Re8) 1–0. Haub,Thorsten Michael (2345) – Skodzek,Andreas, Wiesbaden op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Qc7 8.Ne2 Nc6 9.0-0 Nf6 10.f4 d5 (10...0-0 11.e5 Nd5 12.Na3 de5 13.fe5=) 11.e5= Ne4 (11...Ng4!?=) 12.Be4+= de4 13.Ng3 (13.Nd2+=) 13...f5 (13...0-0!?=) 14.ef6+/- Bf6 15.Ne4 0-0 16.Ba3 (16.Na3!? Qa5 17.Nc2+/-) 16...Be7+= 17.Qh5 (17.Qd2 b5+=) 17...Bd7 18.Be7 Ne7 19.Nbd2 Rf5 20.Qh3 (20.Qf3 a5+=) 20...b6 (20...Nd5!?+=) 21.Rae1 h6 22.g4 Rf4 23.Rf4 Qf4 24.Rf1 Qc7 (24...Qb8 25.Qf3 Qe8 26.Nc4=) 25.Qf3 Nc6?? (better is 25...Bc6 26.Qf7 Kh8+=) 26.g5+- Qd8 27.gh6 (better is 27.Qf7 Kh8 28.gh6 gh6 29.Nf6+-) 27...Qe8 (27...Qe7+-) 28.Kh1 (28.Nf6 Kf8 29.Ne8 Ke7 30.Qf7 Kd8 31.h7 b5 32.h8Q Ne5 33.de5 Kc8 34.Qf3 Rb8 35.Nd6 Kc7 36.Qb8 Kb8 37.Qb7) 28...Qg6 (28...Ne7 29.hg7 Kg7+-) 29.hg7 Nd4 (29...Kg7 30.Rg1 Qg1 31.Kg1+-) 30.Nf6 (30.Qf8! Rf8 31.gf8Q Kh7 32.Rf7 Qf7 33.Qf7 Kh6 34.Qf6 Kh7 35.Ng5 Kg8 36.Qf7 Kh8 37.Qh7) 30...Kg7+- 31.cd4 (31.cd4 Rf8 32.Nh5 (32.Nd7?! Rf3 33.Nf3 Qf5=) 32...Kh7 33.Qf8 Bc6 34.Nf3 Qh5 35.Qe7 Kh6 36.Qe6 Qg6 37.Qe5+-) 1–0. Al_Khulaifi,Ghada (1645) – Othman,Nadmih, 40th Women Olympiad, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Qc7 8.Ne2 e5 9.0-0 Nf6 10.f4 Bg4 11.h3 Be2 12.Qe2 Nc6 13.d5 Na5 14.Bb5 Kf8 15.fe5 de5 16.Ba3 Nb3 17.Be7 Ke7 18.Ra3 Nc5 19.Bd3 Rhd8 20.Kh1 a6 21.Nd2 Ne8 22.Bc2 Kf8 23.Qh5 Kg8 24.c4 Rd6 (better is 24...b6-/+) 25.Qe5+= Nd7 26.Qe7 Rf6 27.Raf3 Qd6 28.Qd6 Nd6 (28...Rd6? 29.Rf7 Nef6 30.Re7+-) 29.Rf6 gf6 30.Rb1 Rc8 31.Bd3 Ne5 32.Be2 Kf8 33.Rc1 Ndc4 34.Rc4 (worse is 34.Nc4 b5=; worse is 34.Bc4 b5+=) 34...Nc4 35.Nc4 (35.Bc4?! b5 36.Bf1 Rc1=) 35...b5 36.Nd6 Rc1 37.Kh2 b4 38.Ba6 b3 39.Nc4 Rc2 40.Kg3 b2 41.Nb2 Rb2 42.Bc8 Ke7 43.Bf5 h6 44.Kf3 Kd6 45.g3 (45.Kg4!?+/-) 45...h5= 46.Kf4 Rf2 47.Ke3 Rg2 48.Kf4 Rf2 49.Ke3 Rg2 50.Kf3 Rb2 51.h4 Ke5 52.Ke3 Rb3 53.Kf2 Rd3 54.Bh7 Rd2 55.Ke3 Rg2 ½–½. Chehayeb,Salah (1960) – Rhee,William W (1920), Auburn Hills op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Qc7 8.Ne2 (8.Nf3 Nf6+=) 8...Nf6 9.Na3 (9.0-0 0-0+=) 9...0-0 10.Nb5 Qb6 11.Ng3 (11.Bg5 h6 12.Bf6 Bf6+= (worse is 12...gf6 13.Ng3+=)) 11...Bd7-/+ 12.Na3 Qc7 13.Bd2 a6 14.0-0 (14.f4 Bc6-/+) 14...Nc6 15.f4 (15.Nh5 b5-/+) 15...e5 (15...b5 16.e5 Nd5 17.Ne4-/+) 16.fe5 (16.d5 Na5-/+) 16...de5 17.d5 (17.Nc2 Rfd8 18.Be3 b5-/+) 17...Na5 18.Kh1 b5 19.Nf5 Bf5 20.Rf5 Nb7 21.Qe2 Nd6 (21...Rfd8 22.Ra2-/+) 22.Rg5 (22.Rff1 Rfb8-/+) 22...Nd7 (22...Nfe4!? 23.Be4 Bg5 24.Bg5 Qc3-+) 23.Rg3-/+ Kh8 (23...Rfc8 24.Qg4 Bf8 25.Qh4-/+) 24.Qg4 (24.c4 Nc5+=) 24...Ne8 (24...Rg8 25.c4 Nf6 26.Qe2-/+) 25.Nc2 Nc5 (better is 25...Rg8!?+=) 26.Bb5+= Bf6 (26...g6 27.Be8 Rfe8 28.Rf1+=) 27.Be8 (27.Rh3!? g6 28.Bc6+/-) 27...Rfe8+= 28.Rf1 (28.Be3 Nd3 29.Rf1 Nf4+= (29...Qc3?? 30.Rf6 Rg8 31.Rh3+-)) 28...Qc8 (28...Qd7 29.Qd7 Nd7 30.Rd1=) 29.Qe2 a5 (29...Qd7 30.c4 Reb8+=) 30.Rf6 (30.Qe3!? Ra6 31.Bc1+=) 30...gf6= 31.Qh5?? (better is 31.Rh3 Qa6 32.c4=) 31...Ne4-+ 32.Rd3 Nf2 33.Kg1 Nd3 34.Bh6 Rg8 35.Qf7 Rg6 (35...Rg6 36.Qf8 Qf8 37.Bf8 Rf8-+; 35...Rg2 36.Kh1 Rg1 37.Kg1 Qg4 38.Kf1 Qf3 39.Kg1 Qf2 40.Kh1 Qf1) 0–1. Boettcher,Ullrich – Debertshaeuser,Joern, Regional–Liga NN, 1988. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Bd7 8.Ne2 Nf6 9.0-0 0-0 10.Na3 a6 11.Kh1 e5 12.f4 ef4 13.Nf4 Nc6 14.Nc2 Bg4 15.Qe1 Nh5 16.Rb1 b5 17.Nh5 Bh5 18.Qg3 Bh4 19.Qf4 Bg6 20.Rf3 Bh5 21.Rh3 g5 22.Qf1 g4 23.Re3 Kh8 24.Qf5 Qg5 25.Qd7 Rac8 26.Qd6 Rfd8 27.Qa3 Qg7 28.g3 (better is 28.Qa6!? Bf2 29.Rb5 (worse is 29.Qb5 Rb8-/+) 29...Be3 30.Be3+-) 28...Bg5+= 29.Re1 Ne5 30.Be2 Nf3 31.Bf3 gf3 32.Rf1 (32.Qa6?? f2 33.Kg2 fe1R 34.Ne1 Bg6 35.Bg5 Be4 36.Kf1 Qg5 (36...Bb1 37.Bf6+=) 37.Rb5 Bd5 38.Rd5 Qd5 39.Qf6 Kg8-+) 32...Bc1 33.Rbc1 (worse is 33.Rfc1 Bg6 34.Rf1 Be4-/+) 33...Rc6 34.Ne3 Qg5 35.Nf5 Qd2 36.Nh4 f2?? (better is 36...Re6 37.e5 f6=) 37.Qe7+- Rdc8 38.Qe5 Kg8 39.Qh5 Rc3 (39...Re8 40.Qg4 Kh8 41.Qf3+-) 40.Qg4 Kf8 41.Rc3 Rc3 42.Kg2 (better is 42.Nf5 Qe1 43.Kg2+-) 42...Qd4 43.Rf2 b4 (43...Rc4 44.Re2 Qf6+-) 44.Qf4 Qc4 (44...f6+-) 45.Qd6 Ke8 46.Qb8 (46.Nf5 Qe4 47.Kh3 Qf5 48.Rf5 f6 49.Rf6 Rg3 50.Kg3 b3 51.Rf8) 46...Qc8 47.Qb4 Rc4 48.Qd6 Re4 (48...Rc5+-) 49.Nf5 Qd7 50.Qb8 Qd8 51.Nd6 Kd7 52.Qd8 (52.Qd8 Kd8 53.Ne4+-; 52.Ne4 Qb8 53.Rf7 Kc6 54.Rh7 a5+=) 1–0. Vetoshko,Volodymyr – Furseev,Evgeniy, Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Bd7 8.Nf3 Na6> +=.

    7.Bd3 Bd7 8.f4 Bc6 9.Nf3 Nh6 (9...Nf6 10.Qc2=) 10.0-0 Nd7 11.f5 Ng4 12.h3 Ngf6 13.fe6 fe6 14.Ng5 Nf8 15.Qb3 Qd7 16.Nd2 h6 17.Ngf3 g5 (17...a5!?+=) 18.Nc4 (better is 18.e5 Nh5 19.ed6 Bd6 20.Nc4+/-) 18...Qd8? (better is 18...Ne4!? 19.Nb6! Qd8 20.Na8 Qa8+/-) 19.e5+- de5 (19...Ne4 20.ed6 Nd6+-) 20.Nfe5 Qd5 (20...a5 21.Nc6 bc6 22.Ne5+-) 21.Nc6 (better is 21.Qc2!? 0-0-0+-) 21...Qc6 (21...bc6 22.Ra7!! Ra7 23.Qb8 Kf7 24.Ne5 Kg7 25.Qa7 Qd6 26.Nc6 N8d7 27.Ne7 Qe7+-) 22.Nb6!! (22.Nb6 Qb6 23.Qb6 ab6 24.Ra8 Kd7 25.Bb5 Kc7 26.Ba3 Ba3 27.Rf6+- (27.Ra3?! N8d7+-)) 1–0. Aristegui,Michel – Schone,Claude, Paris op–A, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Bf6 8.Nf3= Nc6 9.Qe2 e5 (9...Qc7 10.0-0=) 10.d5 Nb8 (10...Nce7 11.Be3 a6 12.Qb2=) 11.Bb5 (11.Be3 a6=) 11...Bd7 12.Be3 a6 13.c4 Ne7 14.Qb2 0-0 (14...Qc7 15.0-0=) 15.Bd7+= Qd7 16.Nbd2 b5 (16...Rc8!?=) 17.cb5+/- Qb7 (17...Ng6 18.0-0+/-) 18.b6 Nd7 (18...Rc8 19.Nb3 Nd5 20.Na5 (20.ed5?! e4 21.Nfd4 Qb6+/-) 20...Ne3 21.Nb7 Nc2 22.Ke2 Na1 23.Ra1+-) 19.Nc4+- Nc8?? (better is 19...Nd5 20.Na5 Nf4 21.Nb7 Nd3 22.Ke2 Nb2 23.Nd6 Be7+-) 20.Na5 Qb8 21.b7 (21.b7 Ra7 A) worse is 22.bc8Q Qb2 (22...Qc8?? 23.Ba7 Bd8 24.Nb7+-) 23.Qc1 Qb4 24.Nd2 Raa8+-; B) 22.Rb1+-) 1–0. Shutov,Andry (1925) – Vernadet,Jacques, IECC, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Be3 Nf6 8.Bd3 Nc6 9.Ne2 0-0 10.0-0 b6 11.Ng3 e5 12.h3 (12.Qa4 Qc7=+) 12...d5-/+ 13.ed5 Qd5 14.c4 Qd8 15.d5 Nb4 16.Be2 Bc5 17.Bg5 (17.Nc3 Na6-/+) 17...Qd6 18.Nc3 Bd7 19.Qd2 a5 20.Kh1 Na6 (20...a4!?-/+) 21.f4=+ Bd4 (21...Rfe8 22.fe5 Qe5 23.Rf3=) 22.Rab1 Nc5 (22...Qa3 23.Rf3 Qe7=) 23.Bd3 White plans f5 (23.fe5!? Qe5 24.Bf6 gf6 25.Rf3=+) 23...Nd3 (23...a4 24.fe5 Qe5 25.Bf6 gf6 26.Nce4 Ne4 27.Be4=) 24.Qd3=+ h6?? (24...Rfe8 25.fe5 Be5 26.Bf6 Bg3 27.Bd4=) 25.Bf6 (better 25.fe5 Be5 26.Bf6 gf6 27.Nce4+-) 25...gf6?? (25...Qf6 26.fe5 Qh4 27.Nce4 Be5 28.Rb6=+) 26.f5 (better 26.Nce4 Qe7 27.Nh5 ef4 28.Qd4+-) 26...Bc3 27.Ne4 Qe7 28.Qc3 Kh7?? (28...Ra6 29.Qg3 Kh7 30.Qh4+-) 29.Qg3 (29.Rb6 Be6 30.fe6 f5 31.Rf5 fe6 32.Re6 Qg7 33.Nf6 Kh8 34.Rfe5 Rf6 35.Rf6 Qf6 36.Re8 Re8 37.Qf6 Kg8+-) 29...Rg8? (better 29...Qd8!?+-) 30.Qh4+- Rg5 (30...Kg7 31.Rb6 Rgb8 32.Qg4 Kh8 33.Rf6 Qf6 34.Nf6+-) 31.Ng5 (better 31.Rb6!? Rf5 32.Nf6 Kg7 33.Qg4 Rg5 34.Qd7 Qd7 35.Nd7 Ra7+-) 31...fg5 32.Qe4 (32.Qh5!? Qf6 33.Rb6 Qb6 34.Qf7 Kh8+-) 32...Qf6 33.Rf2 (33.d6 Rc8 34.Rb6 Rc5+-) 33...a4+- 34.g4 (34.Qe3 Ra6+-) 34...Qd6 35.Ra2 f6 36.Qe3 (36.Rab2 Ra6+-) 36...b5 37.Qd2 (better 37.Qa3 Qa3 38.Ra3+-) 37...bc4=+ 38.Rb7 (38.Rc2 Rc8=+) 38...Kg8 39.Ra1?? (better 39.Rab2 Rc8 40.Rc2-/+) 39...Bc6!-+ 40.dc6 (40.Rb2 Bd5 41.Kg1 Qc5 42.Qf2-+) 40...Qd2 41.Rab1 Qd5 42.Kh2 Qc6 43.R1b6 (43.R7b6 Qf3 44.Rb8 Rb8 45.Rb8 Kg7-+) 43…Qb6! (43...Qb6 44.Rb6 a3-+) 0–1. Janzekovic,Klemen (1895) – Milinkovic,Nebojsa (2075), Druga Clanska Liga Vzhod, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 Nc6 8.Na3 Nf6 9.Bd3 h6 10.0-0 a6 11.Re1 e5 (11...0-0 12.c4+=) 12.h3 (12.Nc4 ed4 13.cd4 0-0=) 12...g5 (12...0-0 13.d5 Na5 14.Bd2+=) 13.Nc4= g4 14.hg4 Bg4 15.d5 Na7 16.Be3 Nd7 17.Be2 Nb5 18.Qb3 Nc5?? (better is 18...Rc8=) 19.Bc5+- dc5 20.Nce5 (20.Nfe5?! Be2 21.Re2 Bf6+/-) 20...Bf3 21.Bb5 (21.Bf3?! Bf6 22.Nf7 Kf7+=; 21.gf3 Nd6+=) 21...ab5 22.d6 (22.Nf3?! b4+-; 22.gf3?! 0-0 23.Ra8 Qa8 24.Qb5 Qa6 25.Qa6 ba6+-; 22.Qb5?! Kf8 23.Nf3 Rg8+-) 22...Bh5 23.Qb5 (23.de7?! Ke7 24.Ra8 Qa8 25.Qb5 Qc8+/-) 23...Kf8 24.de7 Ke7 25.Ra8 Qa8 26.Qd7 (26.Qc5 Ke8 27.Nc4 Rg8 28.Qh5 Qa6 29.Qe5 Qe6 30.Qb8 Ke7 31.Qg8 Qc4+-) 26...Kf6 27.Qf5 Ke7 28.Qh5 Qg8 (28...Rh7+-) 29.Rd1 Qg7 30.Rd7 (30.Nc6! bc6 31.Qc5 Kf6 32.Rd6 Ke7 33.Rc6 Ke8 34.Rc8 Kd7 35.Rc7 Ke8 36.Qe7) 30...Ke6 31.Qf5# 1–0. Estevez,Eric (1910) – Mosti,Alain (1660), Majeur–chT, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 Nc6 8.Bb5 Bd7 9.0-0 Nf6=+ 10.Nbd2 0-0 11.Ba3 a6 12.Bc4 b5 13.Ba2 Qb6 14.Qc2 Rfc8 15.Nb3? a5 16.e5-/+ de5 17.de5 Ng4 18.Bb1-/+ g6 19.Be7= Ne7 20.Qd1? Bc6-/+ 21.Nfd4 Ne5-+ 22.Nc6 (22.Re1 Nc4-+) 0–1. steviousmattias – Romerm, ChessWorld.net, 2008.

    7.Nf3 Nc6 8.Bd3 Nf6 9.0-0 0-0 10.Na3 Bd7 11.Re1 a6 12.Nc4 d5 13.ed5 ed5 (13...Nd5 14.Qc2 h6 15.Bh7 Kh8 16.Be4=+) 14.Nce5= b5 15.Bg5 Ne5 (15...h6 16.Bh4=+) 16.Ne5 (16.Ne5 h6 17.Bh4=; 16.de5 Ne4 17.Be4 A) worse 17...Bg5 18.Qd5 (18.Ng5?! de4 19.Ne4 Bc6=) 18...Be7 19.Qa8 Qa8 20.Ba8 Ra8 21.Nd4+-; B) 17...de4 18.Be7 Qe7 19.Re4 Bc6=+) 1–0. juliangon (2725) – Ultima.X (2235), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 Nc6 8.Be3 b6 9.Bb5 Bd7=+ 10.d5 ed5 11.ed5 Na5 12.Na3 Nf6 13.0-0 0-0 14.Re1 Re8 15.Bd3 Ng4 16.Bf4 Bf6 17.Qc2= Qc7 18.Bh7+= Kh8 19.Bf5 Ne5 20.Be5 de5 21.Bd7 Qd7 22.Rad1 Rac8 23.c4 Nb7 24.Re3 Nd6= 25.Rde1 e4 26.Nd2 Bd4 27.Rh3 Kg8 28.Nb3 Be5 29.f3?? Qa4-+ 30.f4 Bf6 31.Nd2-/+ Qc2 32.Nc2 b5 33.Rhe3=+ bc4 34.Ne4 Ne4 35.Re4 Re4 36.Re4 c3 37.g4 g6 38.g5 Bg7 39.Ra4 Rc5-/+ 40.Ra7 Rd5 41.Ra8 Bf8-+ 42.Ne3 c2! 43.Nc2 Rd1 44.Kf2 Rd2 45.Kg3 Rc2 46.h4 Kg7 47.Rd8 Rc4 48.Rd7 Ba3 49.Rd3 Bb4 50.Kf3 Be1 51.Kg4 Ba5 52.Rd1 Bc7 53.Rf1 Kf8 54.Rf3 Re4 55.Rf1 Ke7 56.Rf3 Ke6 57.Rf1 Bb8 58.Rf3 Bd6 59.Rf1 Bc7 60.Rf2 Re1 61.Rc2 Bd6 62.Rg2 Rf1 63.Re2 Kd5 64.Rd2 Kc5 65.Rc2 Kb5 66.Kh3 Rf3 67.Kg2 Rf4 68.Kh3 Rf3 69.Kg2 Rg3 70.Kf2 Rh3 71.Rb2 Kc6 72.Rc2 Bc5 73.Kg2 Rh4 74.Kg3 Ra4 75.Rd2 Be3 76.Rd1 Bg5 77.Kf3 Be7 78.Re1 Kd7 79.Kg2 Ra3 80.Rb1 f5 81.Rb6 Bd6 82.Kh1 Ra2 83.Rb7 Ke6 84.Rg7 Kf6 85.Rd7 Be5 86.Rb7 f4 87.Kg1 g5 88.Rb6 Kf5 89.Rh6 f3 90.Rh7 Bg3 (90...Bg3 91.Rf7 Kg4 92.Rf3 Kf3 93.Kf1 Ra1#; 90...Bd4 91.Kh1 Ra1 92.Kh2 Be5 93.Kh3 Rh1) 0–1. Marshall,Frank James – Tarrasch,Siegbert, it, San Sebastian, 1912.

    7.Nf3 Qc7 8.Bd3 Nf6 9.0-0 0-0 10.e5 de5 11.Ne5 Nbd7 12.f4 b6 13.c4 Bb7 14.Nc3 a6 15.Bb2 Qd6 16.Rf2 Rfe8 17.g4 Nf8 18.g5 N6d7 19.Ne4 Qc7 20.Qh5 Ng6 21.Nf7 (better is 21.Rf3-/+) 21...Nf4?? (21...Kf7 22.f5 ef5 23.Qh7 A) 23...Be4 24.Be4 Bg5 25.Rf5 Bf6 26.Rf6 Nf6 27.Bg6 (27.Qg6?! Kg8 28.Ba8 Ra8+=) 27...Ke6 28.Qh3 Ke7 29.Re1 Kd8 30.Be8+-; B) 23...Rh8 24.Rf5 Ke8 25.Qg6 Kd8+/-) 22.Qh7+- Kf8 23.Qh8 (better is 23.Ne5 Bb4 24.Rf4 Ke7 25.Rf7 Kd8 26.Rd7 Qd7 27.Nd7 Kd7 28.Nf6 Kc7 29.Ne8 Re8 30.Qg7 Re7 31.Qf8+-) 23...Kf7+= 24.g6 Kg6 25.Rg2! Ng2 26.Nd6 Kg5 27.Qg7 Kh4 28.Qh6 (28.Be2 Bf3 29.Bf3 Bg5 30.Qh7 Bh6 31.Qh6) 28...Kg4 29.Be2 Bf3 30.Bf3 Kf3 31.Rf1 Ke2 32.Rf2 Kd1 33.Qc1 (33.Qd2) 1–0. Moser – Underwood, corr BdF/Pokal F, 1962. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Nf3 Nd7 8.Bd3 e5 9.0-0 Ngf6 10.Re1 0-0 11.Nbd2 b6 12.Qb3 Bb7 13.Ba3 Qc7 14.Bc4 Nh5 15.g3 g6 16.Bb5 Nhf6 17.Bc4 h6 18.Nh4 Kg7 19.f3 a6 20.Bf1 Rfe8 21.d5 Nc5 22.Qc2 Rf8 23.Nc4 Nh7 24.Ng2 f5 25.Nge3 fe4 26.fe4 b5 27.Nd2 Ng5 28.Bg2 Bc8 29.Rf1 Nh3 30.Bh3 Bh3 31.Rf8 Rf8 32.Ng2? Qa7 33.Kh1 Rf2 34.Ne3 Nb3! 35.Nb3 Qe3 36.Qd1 Bg2 37.Kg1 Ra2 (37...Rc2) 0–1. Bursa,R (2010) – Rademakers,E (2170), Najdorf Mem Open A, Warsaw Poland, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 a6 8.Nf3 b5?? 9.Bb5+/- Bd7 10.Bd3 Nf6 11.0-0 0-0 12.Bd2 1–0. Munoz,Farid (2185) – Arboleda Orozco,Juan M (1860), Medellin COL, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 b6 8.Bd3 Bb7 9.Nf3 Nd7 10.0-0 f6 11.Qe2 Qc7 12.Nh4 g6 13.f5 ef5 14.ef5 Nf8 15.fg6 hg6 16.Bg6 Kd8 17.Qg4 Nh6 (17...Ng6? 18.Ng6 (18.Qg6?! Rh4 19.Qg8 Kd7+=) 18...Nh6 19.Qh4 Bg2 20.Rf6+- (worse is 20.Kg2 Qb7 21.Rf3 Rg8 22.Qh6 Qe4+-; 20.Bh6?! Rg8 21.Kg2 Rg6 22.Kf2 Qc6+-)) 18.Bh6 Rh6 19.Be4 Rh4 (better is 19...d5 20.Bd3 Bc8=) 20.Qh4+/- f5 21.Qh8?? (better is 21.Bb7 Bh4 22.Ba8+/-) 21...Be4-+ (21...fe4?! 22.Rf8 Bf8 23.Qf8 Kd7 24.Qf5 Ke7 25.Qg5 Ke8 26.Nd2+=) 22.Nd2 Bd3 23.Rfe1 Qc3 24.Nf3 Kd7 25.Qg7 Be4 26.h4?! Ne6 27.Qg3 Bf3 28.gf3 Qd4 29.Kh1 Bh4 30.Qh3 Be1 (30...Be1 31.Qh7 Kc6 32.Re1 Rh8 33.Qh8 Qh8 34.Kg1 Qd4 35.Kf1 Qd3 36.Kf2 Nd4-+) 0–1. Stevens,Frank – Jonk,Geert Jan, NED U16 op Hengelo, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 b6 8.Bd3 Bb7 9.Nf3 Nd7 10.0-0 Ngf6 11.Qe2 d5 12.e5 Ne4 13.Nfd2 f5 14.ef6 Ndf6 15.Bb5 Kf7 16.Nf3 Bd6 17.Ne5 Ke7 (17...Kg8 18.Ba3=) 18.Ba3 (18.Nc6 Bc6 19.Bc6 Qc7 20.Ba8 Ra8+=) 18...a6 19.Ba6 Ba6 20.Bd6 Qd6 21.Ra6 Rhc8 22.Rc1 Ra6 23.Qa6 Rc7 24.Rc2 Nd7 25.g3 Ne5 26.fe5 Qc6 27.Rc1 Kf8 28.Rf1 Rf7 29.Rf7 Kf7 30.Qa7 Kg6 31.Qe7 h6 32.Kg2 Kh7 33.Qb4 Qc7 34.Qb2 Qc4-/+ 35.Qc2 b5 36.Qb2 Qd3 37.Kh1?? g5 38.Kg2 g4 39.Na3 Qf3 40.Kg1 Qd1 41.Kg2 Qf3 42.Kg1 Nc3 43.Qf2 Qf2 44.Kf2 b4 (44...b4 45.Nc2 b3-+) 0–1. Kuespert,Helmut (1970) – Krotschak,Joscha (1995), Nuremberg–ch op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 b6 8.Nf3 Bb7 9.Bd3 Bh4 10.g3 Be7 11.0-0 h5 12.h3 Nf6 13.e5 Ne4 14.Qe1 d5 15.Nfd2 Nd2 16.Nd2 g6 17.Ba3= Ba3 18.Ra3 Qe7 19.Qa1 Nc6 20.Kh2 Kf8 21.Rf2 Qc7 22.Nf1 Na5 23.Ne3 Nc4 24.Bc4+= dc4 25.Ra7 Ra7 26.Qa7 Qc6 27.Qa1 Kg7= 28.d5 ed5=+ 29.f5 h4-/+ 30.f6 Kg8 31.Ng4 Bc8 32.Qa7 Bg4 33.hg4 Qc5 34.Kg2?? hg3 35.Kg3?? Qe3 36.Rf3 Qe5 37.Rf4 Qc3 38.Rf3 Rh3! 39.Kh3 Qf3 40.Kh4 Qf6 (40...Qf6 41.Kg3 Qe5 42.Kg2 c3-+) 0–1. Gutheil,Heinrich – Stopsack,Malte, NRW–Liga II, 1996.

    7.f4 Qc7 8.Nf3 Nf6 9.Bd3 d5 10.e5 Ne4 11.0-0 Nd7 (11...Nc3? 12.Qc2+-) 12.c4 f5 13.Qb3 Qb6 14.Qa2 Qc6 15.Ba3 dc4 16.Bc4 Nb6 17.Bd3 Qd5 18.Qe2 Bd7 19.Nbd2 Bc6 20.Rfc1 (20.Be7 Ke7 21.Nc4 Nc4 22.Bc4 Qd7+=) 20...Ba3+= 21.Ra3 0-0 22.Nf1 Qd7 23.Qb2 Nd5 24.g3 Nc7 25.Be4 Be4 26.N1d2 Bc6 27.Kf2 Rfd8 28.Rd3 Be4 29.Re3 Bc6 30.Nb3 (30.Rd3 Nd5 31.Ra3-+) 30...Nb5 31.Nc5 Qe8 32.Rd1 (32.Ng5 Nd4 33.Rd3 Qh5-/+) 32...Rac8 33.Ng5 Nc7 34.Kg1 h6 35.Nh3 b6 36.Nb3 Qd7 37.Nf2 Qd5 38.Kf1 Qg2 39.Ke1 Qg1 40.Ke2 Qh2 41.Nd2 Bb5 42.Kf3 Qh5 43.Kg2 Nd5 44.Ra3 Bc6 45.Nf3 a5 46.Rh1 Qf7 47.Rh4 Qb7 48.Kh2 Nb4 49.Ng1 Be4 50.Re3 0–1. Jaroch,Karol (2170) – Zembrzuska,Monika (2060), Chojnice op Poland, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 Bd7 8.Bd3=+ Bc6 9.Nf3 Nf6 10.Qe2 a6 11.e5 Nd5 12.0-0 Qc7 13.Bd2 b5 14.Na3 Nb6 15.f5 Bd5 16.Nc2 Bc4 17.fe6 Be6 18.ed6= Qd6 19.Ne5 Qc7 20.Rac1 Ra7 21.Qh5=+ Bd6 22.Nf7 Bh2 23.Kh1+= (23.Kh1 Bf7 24.Rce1 Kd8 25.Qg5 Kc8 26.Bf5 N8d7 27.Qg7+=). Gutheil,Heinrich – Keuth,Gerd Erich (2160), NBG Open Weilburg, 1995.

    7.f4 Nd7 8.Nf3 Qc7 9.Bd3 Ngf6 10.0-0 0-0 11.Ng5 e5 12.d5 (12.Qb3!? ed4 13.cd4=) 12...b6 13.Qf3 a5 14.Qg3 Nc5 15.Bc2 b5 (15...h6 16.Nh3 Nce4 17.Qf3-+) 16.Na3 Bd7 17.Bd2? (17.Re1 b4 18.Nc4 Nce4 19.Be4 Qc4 20.fe5 de5-+ (worse is 20...Ne4 21.Ne4 Bf5 22.Bh6-/+)) 17...Rfb8 (17...h6 18.fe5 de5 19.Rf6 Bf6 20.Nf3-+) 18.Rab1? (18.Rfe1 b4 19.cb4 ab4 20.fe5 de5-+ (20...Ra3?! 21.Ra3 ba3 22.ef6 Bf6 23.Qa3+=)) 18...a4 (18...h6 19.Qf3-+) 19.f5? (better is 19.c4!? ef4 20.Bf4-+) 19...Nb3! 20.Be1? (20.Bb3 Qc5 Double attack (20...ab3 Passed pawn)) 20...Qc5 21.Kh1 Qa3 22.Bf2 (22.Bb3 ab3 23.Qf3 Qa4-+) 22...b4 (better is 22...Nd2 23.Rfe1 Nb1 24.Rb1-+) 23.cb4 Qb4 24.Rb2 (24.Be1 Qc5 25.Bb3 ab3-+) 24...Qc4 (better is 24...h6 25.Nf7 Kf7 26.Re1-+) 25.Rfb1 Bd8 26.h4 Bc7 27.Bd3 Qb4 28.Qh2 Qa3 29.h5 Nc5 30.Bc5 Qc5 31.Bf1 a3 32.Rb8 Rb8 33.Ra1 Qc3 34.Ra2 Rb2 35.Ra1 a2 36.Qg1 Bb6 37.Qh2 Qb3 38.Nf3 Be3 39.Qg3 Rb1 40.Nd2 Bd2 41.Qb3 Rb3 42.Ra2 Be3 43.g3 Bd4 44.Kg2 Rb2 45.Rb2 Bb2 46.Kf3 Nh5 47.Kg4 Nf6 48.Kf3 Ba4 49.Bd3 Bc1 50.Ke2 h5 51.Kf2 Kh7 52.Kg2 Kh6 53.Kh3 Kg5 54.Bb1 Bd1 55.Kg2 Kg4 56.Bd3 Bf3 57.Kf2 Ne4 58.Be4 Be4 (58...Be4 59.f6 gf6 60.Ke2 Kg3 61.Kd1 Bf4 62.Ke2 h4 63.Kf1 Bd3 64.Ke1 h3 65.Kd1 h2 66.Ke1 h1Q) 0–1. Sampedro Garcia,Jose Luis – Garro Beraza,Julen, Euskadi–ch U16, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 e5 8.Nf3 ed4 9.Nd4 (9.cd4 Nf6 10.Bb5 Bd7 11.Bd7 Nbd7=) 9...Nc6 10.Bb5 (10.Bd3 Nf6 11.0-0 Qb6=) 10...Bd7 11.Bc4 (11.Be3 Nf6 12.Nd2 a5=+) 11...Nf6 12.0-0 (12.Qd3!?=+) 12...Ne4-/+ 13.Re1 Nf6 14.Qb3 (14.Qe2 Nd4 15.cd4 0-0-/+) 14...0-0-+ 15.Qb7 Nd4 (15...Rb8 16.Qa6 Rb6 17.Qa2-+) 16.cd4 d5! 17.Bd3 (17.Bd5 Rb8 Decoy) 17...a5 18.Ba3 (18.Bd2!?-/+) 18...Ba3-+ 19.Ra3? (better 19.Na3 Qb8 20.Qb8 Rfb8 21.Reb1-+) 19...Re8 20.Rc1 (20.Rf1-+) 20...Qe7 (20...Rb8 21.Qa6 Qe7 22.Rac3-+) 21.Rac3 (21.Qb2 Rab8 22.Qc3 Qe3 23.Kh1 Rbc8 24.Qc8 Bc8 (24...Rc8? 25.Rc8 Bc8 26.Bh7 Kh7 27.Re3+-) 25.Bh7 Kh7 (25...Nh7?! 26.Re3 Re3 27.Rc8 Nf8 28.Rc1-/+) 26.Re3 Re3-+) 21...Qe3 (21...Rab8!? 22.Qa6 Rb2 23.Bf1-+) 22.Kh1 Qf4 23.Qc7 (23.h3 Qd4 24.Qb3 a4-+) 23...Qd4 24.Qc5 (24.Qg3 a4-+) 24...Qc5 25.Rc5 Rec8 (25...a4 26.R5c3-+) 26.Kg1 Kf8 (26...Rc5 27.Rc5 a4 28.Na3-+) 27.Na3 (27.Rc8 Rc8 28.Rc8 Bc8-+) 27...Ke7 (27...Rc5 28.Rc5 Ke7 29.Kf2-+) 28.Kf1 (28.R5c2 Rc2 29.Nc2 Rb8-+) 28...Kd6 (28...Rc5 29.Rc5 Kd6 30.Rc2-+) 29.Rc8 Rc8 (29...Bc8?! 30.Nb5 Ke7 31.Nc7-+) 30.Ra1 (30.Rd1 a4-+) 30...Ng4 (30...Rb8 31.Nc2 a4 32.Ke2-+) 31.Nb5 Bb5 32.Bb5 Nh2 33.Kg1 (33.Kf2 Ng4 34.Kg3 f5 35.Ra5 Rc5-+) 33...Ng4 34.Be2 (34.Kf1 Ra8-+) 34...h5 35.Bg4 (35.g3 Rc5-+) 35...hg4 36.Ra5 f5 37.Kf2 (37.Ra6 Ke5-+) 37...f4 38.Ra7 (38.Ra2 d4-+) 38...Rc2 39.Kf1 Rc1 (39...d4 40.g3 fg3 41.Rg7 g2 42.Kg1-+) 40.Kf2 (40.Ke2 g5-+) 40...Rc7 (better 40...d4 41.Ke2 Rc2 42.Kd3 Rg2 43.Kd4 f3-+) 41.Ra8 (41.Ra2-+) 41...Rc2 42.Kf1 g3 43.Rg8 Rf2 44.Kg1 d4 45.Rg7 d3 46.Ra7 (46.Rg6 Kd5 47.Rg5 Kd4 48.Ra5 d2 49.Ra4 Kd3 50.Ra1 Ke2 51.Kh1 d1R 52.Rd1 Kd1 53.Kg1 Kd2 54.Kh1 Rf1) 46...d2 47.Ra1 (47.Ra6 Kc5 48.Ra1 Kc4 49.Ra4 Kd3 50.Ra1 Ke2 51.Kh1 d1R 52.Rd1 Kd1 53.Kg1 Kd2 54.Kh1 Rf1) 47...Kd5 48.Ra5 (48.Rb1 Ke4 49.Rd1 Kd3 50.Ra1 Ke2 51.Kh1 d1R 52.Rd1 Kd1 53.Kg1 Kd2 54.Kh1 Rf1) Kc4 (48...Kc4 49.Ra1 Kd3 50.Rb1 Ke2 51.Kh1 d1R 52.Rd1 Kd1 53.Kg1 Kd2 54.Kh1 Rf1; 48...Ke4 49.Ra1 Kd3 50.Kh1 Ke2 51.Rb1 d1R 52.Rd1 Kd1 53.Kg1 Kd2 54.Kh1 Rf1) 0–1. Krause,Thomas (2185) – Adamski,Jan (2275), NRW Class1, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 e5)

    7.f4 e5 8.Nf3 Nf6 9.fe5 de5 10.Ne5= Ne4 11.Qf3 Nd6 12.Bd3 0-0 13.0-0 Nd7 14.Nd2 Nf6 15.Qg3 g6 16.Ndc4 Nh5 17.Qf3 Be6 18.d5 Bf5= 19.Bf5 Nf5 20.g4 Nh4 21.Qd3 Bc5 22.Kh1 f6 23.d6 fe5 24.Qd5 Kh8 25.Qe5 Ng7 26.Bh6 Qd7 27.Qc5 Qg4 28.Bg7 Kg7 29.Qe5 Kh6 30.Ne3 Qh3 31.Rf8 Rf8 32.Qg3 Qg3 33.hg3 Nf5 34.Nf5 Rf5 35.Ra7 Rf7 36.c4+/- Kg5 37.Ra3 Kf6+= 38.Re3 Rd7 39.c5+/- b6 40.cb6 Rd6 41.Rb3 Rd8 42.b7 Rb8 43.Kg2 h5 44.Kf3 g5+= 45.Ke4 h4? 46.Rb6?? Kg7? 47.g4 Kf7? 48.Kd5 h3 49.Kc6 h2 50.Rb1 Kf6 51.Rh1 Rh8 52.Rh2!! Rh2 53.b8Q (53.b8Q Rc2 54.Kd5 Rd2 55.Ke4 Re2 56.Kd3+-) 1–0. Zaiarni – Katovici, Chisinau op, 1993.

    7.f4 f5 8.Nd2 Nf6 9.Bd3 0-0 10.Ngf3 Nc6 11.0-0 a6 12.ef5 ef5 13.d5? Nd5 14.Bc4 Qb6 15.Kh1 Be6 16.Rb1 Qc7 17.Nb3 Nf4! 18.Be6 Ne6 19.Qd5 Ncd8 20.Nbd4? Rf6?? 21.Re1? Qc8?? 22.Ne6+/- Ne6 23.Nd4 Kf7? 24.Rb7+- Qc5 25.Re7! Ke7 26.Qb7 Kf8 27.Qa8 Kf7 28.Qb7 Kg6 29.Ne6 (29.Ne6 f4 30.Qg7 Kh5 31.Qf6 f3 32.Qf7 Kh4 33.Re4) 1–0. Marshall,Frank James – Haida,August Konrad, it, Marienbad, 1925. Same as the game below. Which is correct?

    7.f4 f5 8.Nd2 Nf6 9.Bd3 0-0 10.Ngf3 Nc6 11.0-0 a6 12.ef5 ef5 13.d5? (better is 13.Qc2!?+=) 13...Nd5 14.Bc4 Qb6 15.Kh1 Be6 16.Rb1 Qc7 17.Nb3 Nf4! 18.Be6 (18.Bf4 Bc4 Discovered attack) 18...Ne6 19.Qd5 Ncd8 20.Nbd4? (20.Nfd4 Rf6 21.Re1 Kf7+= (21...Qc3? 22.Bb2 Qc7 23.Ne6 Re6 24.Nd4+-)) 20...Rf6?? (20...Qc5 21.Qb3 d5 22.Re1-+) 21.Re1? (21.Ne6 Re6 22.Nd4+=) 21...Qc8?? (better is 21...Qc5 22.Qb3 d5-+) 22.Ne6+/- Ne6 23.Nd4 Kf7? 24.Rb7 Qc5 25.Re7! Ke7 26.Qb7 Kf8 27.Qa8 Kf7 28.Qb7 Kg6 29.Ne6 0–1. Reti,Richard – Saemisch,F, 13, Baden–Baden, 1925. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6) Same as the game above. Which is correct?

    7.f4 g5 8.Nf3= g4 9.Ng1 e5 10.Bd3 h5 11.Ne2 Bh4 12.g3 Be7 13.fe5 de5 14.0-0 Nd7 15.Nd2 Ngf6 16.Nc4 Qc7 17.Bg5 Ne4 18.Be7 Ke7 19.Ne5 (worse is 19.Be4 Qc4 20.Ra4 Qe6+=) 19...Ne5 20.Be4 Nc4 21.Nf4 Be6 22.Qe2 Nb6 23.Bd5 Rh6 (23...Rhe8+/-) 24.Rad1 (better is 24.Qe3!? Rf6 25.Ne6 Rf1 26.Rf1 Nd5 27.Nc7 Ne3 28.Re1+- (worse is 28.Na8 Nf1 29.Kf1 Kd7+-)) 24...Qc3 25.Be6 Qd4?? (25...fe6 26.Qe5 Rg8+-) 26.Rf2 (26.Rd4 Rd8 27.Ng6 Rg6 28.Rf7 Ke8 29.Bd5 Re6 30.Qe6) 26...Kf8 (26...Qf2 27.Kf2 fe6+-) 27.Bf7 (27.Bf7 Qf2 28.Qf2 Kf7 29.Nh5 Kg8 30.Rd4 Rg6 31.Qf5 Rc6 32.Rg4 Kh8 33.Qe5 Rf6 34.Qf6 Kh7 35.Qg7) 1–0. Zajarnyi,Anatolyi (2355) – Gilbert,Christophe (2145), Bucharest Candidatilor, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bf4 Nf6 8.Nd2 0-0 9.Ngf3 Qc7 10.c4 Nc6 11.Be2 e5 12.Bg3 Bg4 (12...ed4 13.0-0-+) 13.de5 de5 14.Ne5 Ne5 15.Bg4 Bb4 (15...Nfg4?! 16.Qg4 Bb4 17.Qg5-/+) 16.Be2? (16.Bf3 Rfd8 17.Ra2 Qc4 18.Qb1 Bd2 19.Rd2 Nf3 20.gf3 Rd2 21.Kd2 Rd8 22.Ke3 Qc3 23.Ke2 Rd2 24.Kf1 Qf3 25.Kg1 Ne4 26.Qe1-+) 16...Ne4 17.Bf4 Nd3! 18.Bd3? (18.Kf1 Nf4 19.Ne4-+) 18...Qf4 19.0-0 Nd2 (19...Bd2?! 20.Be4 Qe4 21.Qd2 Qc4 22.Rfc1-+; 19...Qd2?! 20.Be4 Qd1 21.Rfd1= (worse is 21.Rad1 Rac8-/+)) 20.Re1 Nf3! (20...Nc4?! 21.Re4 Qh6 22.Rc4-+) 21.gf3 (21.Qf3 Qf3 Combination; 21.gf3 Qg5 Double attack) 21...Be1 22.Qe1 Qf3 23.Be4 Qg4 24.Kh1 Rfe8 (24...Rfe8 25.f3 Qc8-+) 0–1. Sierra Canosa,F (2110) – Gonzalez Menendez,I (2305), Asturias–ch Oviedo, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Qg4 e5 8.Qg3 Bf6 9.Nf3 Qc7 10.Bg5 Bg5 11.Qg5 f6 12.Qh5 (12.Bb5 Nc6 13.Qe3 a6+=) 12...Qf7 13.Bb5 Bd7 14.Qh3 Kd8 15.Bd7 Nd7 16.0-0 Ne7 17.Na3 h5 18.Nb5 Nc8 19.Nh4 g6 20.f4 (20.Rfd1!?=) 20...ef4+= 21.Rf4? (better is 21.Qd3+=) 21...g5-+ 22.Rff1 gh4 23.e5 de5 24.de5 Ne5 25.Qh4 Ke7?? (better is 25...Rh6-+) 26.Rae1 Rh6 (better is 26...Ke8 27.Rf6 Qe7+/-) 27.Qb4?? (better is 27.Re5 Kf8 28.Nc7+-) 27...Kd8?? (27...Ke8 28.Qc5 Rh7 29.Re5 fe5 30.Rf7 Rf7 31.Nc7 Rc7 32.Qc7 Ne7+-) 28.Re5!+- Nb6 29.Rd1 (29.Rd1 Nd7 30.Rd7 Kd7 31.Qd6 Kc8 32.Rc5 Qc7 33.Qc7; 29.Qd6 Qd7 30.Qf8 Qe8 31.Qe8) 1–0. Fragakos,Angelo – Van der Velde,Bill, London op London,Canada, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Qg4 e5 8.Qg7 Bf6 9.Qg3 ed4 10.Bb5 Bd7 11.Bd7 Qd7 12.Ne2 Nc6 13.Ba3 Rd8 14.0-0 Nge7 15.Rd1 (15.Qf3!? Be5 16.cd4 Nd4 17.Nd4 Bd4 18.Ra2+=) 15...Rg8-/+ 16.Qf3 Ne5 17.Qf6 Qg4 18.g3 Rg6 (18...Qe2 19.Nd2 Rg6 20.Qh8 Kd7 21.Qh7 dc3 22.Qh3 Ke8 23.Qf1 Qf1 24.Nf1-+) 19.Qf4 (19.Qh8!? Kd7 20.Qh7 Qe2 21.Qh3 f5 22.Nd2 dc3 23.ef5-/+) 19...Qe2-+ 20.Nd2? (better is 20.Rf1 Rg4 21.Qc1-+) 20...dc3 21.Nf1 Rg4 (21...c2 22.Rd6 Nf3 23.Kg2 Rgd6 24.Bd6-+) 22.Qe3 Qe3 23.Ne3 Re4 24.Rac1 (24.Rd6 Rd6 25.Bd6 Nd3-+) 24...b5 25.Bd6 Nc4 26.Bc7 Rd7 27.Nc4 Rc4 (27...bc4?! 28.Rd7 Kd7 29.Ba5-+) 28.Ba5 (28.Bf4 b4 29.Re1 b3-+) 28...Rd1 29.Rd1 Nc6 30.Bc7 Nd4 (30...Nd4 31.Bb8 c2 32.Re1 Kd7-+) 0–1. Hrabinska,Myroslava (2220) – Ostroverkhova,Elena, UKR–ch (Women), 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Qg4 g6 8.Bd3=+ Nc6 9.Qe2 Nf6 10.Nf3 e5 11.0-0 0-0 12.h3 Qc7 13.Bh6 Re8 14.Nbd2 Bf8 15.Qe3 Bh6 16.Qh6 Nd8 17.Nc4 Ne6 18.Rfe1 b6 19.Bf1 ed4 20.cd4 Bb7 21.e5 de5 22.de5 Ne4 23.Ne3 f5 24.Bb5 Re7 25.Bc4 N4c5 26.Rad1 Kh8= ½–½. Ruhmke,Stephan (2235) – Radke,Thomas (2410), RSL2, 2009.

    7.Qg4 g6 8.Bd3 e5 9.Qe2 Nc6 10.Nf3 Nf6 11.Bb5 0-0 (better 11...ed4!? 12.Nd4 Bd7=+) 12.Bh6+= ed4 13.Bf8 Bf8 14.cd4 Bg4 (14...d5 15.e5 Bb4 16.Nbd2+-) 15.Bc6 bc6 16.0-0 Bg7 (16...d5 17.e5 Ne4 18.Qe3+=) 17.Nbd2 (17.h3 Bf3 18.Qf3 Nd7+=) 17...Nh5 (17...a5 18.Rfc1 Qe8 19.Qe3+-) 18.Qc4 (18.Qe3 c5+-) 18...c5 19.Ra3 (19.Rfb1 Nf4+=) 19...Nf4 (19...cd4 20.Nd4 Nf4 21.N4f3+=) 20.dc5 (20.d5 a5+-) 20...Be6+= 21.Qc2 dc5 22.Nb3 (22.Re1 Qe7+=) 22...Rc8 (better 22...Qd3 23.Qd3 Nd3=) 23.Nc5?? (better 23.Rd1 Qe7 24.Na5+=) 23...Qb6-/+ 24.Rc1 Bb2 25.Ra6 Qb4?? (better 25...Bc1 26.Rb6 ab6-+) 26.Ra7+- Bc1 27.Ne6 Qb8 (27...Qc3 28.Qc3 Ne2 29.Kf1 Nc3 30.Neg5+-) 28.Rc7 Rc7 29.Qc7 Qc7 30.Nc7 Ba3 (30...Nd3 31.Kf1+-) 31.g3 (31.Kf1 Bc5+-) 31...Nd3 32.Nb5 Bc5 33.Nfd4 h5 (33...f6 34.Kf1+-) 34.Kf1 Kf8 (34...Ne5 35.Ke2+-) 35.Ke2 Ne5 (35...Nb4 36.e5+-) 36.f4+- Nc4 37.Kd3 (37.e5 Ke7+-) 37...Nb6 (37...Nb2 38.Kc2 Nc4 39.h3+-) 38.Nc7 (38.e5 Ke7+-) 38...Bd6 (38...Ke7 39.Nd5 Nd5 40.ed5+-) 39.Nd5 Nd5 40.ed5 h4 (40...Ke7 41.Nc6 Kf6 42.Ke4+-) 41.Nb5 (41.Ke4 hg3 42.hg3 Ke8+-) 41...Bc5 42.g4 (42.gh4 Bf2+-) 42...h3 43.Nd4 Ke8 (43...Ke7 44.Ke4+-) 44.Ke4 (44.g5 Kd7+-) 44...Kd7 (44...f6 45.Kd3+-) 45.Nf3 (45.g5 Kd6+-) 45...f6+- 46.Nh4 (better 46.Nd4+-) 46...Bg1= 47.Nf3 Bc5 48.Nd4 Bd6 (48...Ke8 49.Ne2+-) 49.Kf3 (better 49.Ne6+-) 49...g5 (49...Bb8 50.Ne6+-) 50.Ne2 (50.fg5 fg5 51.Ne6 Bh2 52.Ng5 Kd6+-) 50...gf4? (50...Ke7 51.Kg3+-) 51.Nf4 (better 51.Ng1!? f5 52.g5 Be7 53.Nh3 Kd6 54.Kf4 Kd5 55.Kf5 Ba3+-) 51...Be5 52.Ke4 Bd6 (52...Bc7 53.Nh3 Bh2 54.Nf4+-) 53.Kf5 (53.Nh3 Bh2 54.Nf4 Kd6+-) 53...Ke7 54.Ng6?? (better 54.Nh3 Bh2 55.Nf4+-) 54...Kf7 55.Nf4 Ke7 56.Nh3 Bh2 57.Nf4 Bg3 (57...Kd6 58.Ke4+- (58.Kf6?! Bf4 59.Kf5 Bh6=)) 58.Ne2 (58.Nh5!? Bh4+-) 58...Be1 59.Nd4 Bf2 (59...Bc3 60.Ke4+-) 60.Nb5 Bh4 61.Kg6 Be1 62.Kf5 Bh4 63.Nd4 Bg3?? (better 63...Bf2=) 64.Kg6+- Kd7 65.Kf6 Bh4 66.Ke5 (66.Kg6 Bd8 67.Nf5 Ke8+-) 66...Bg3 67.Ke4 (67.Kf5 Bh4+-) 67...Bh4 68.Nf3 Bf6 69.g5 Bc3 (69...Be7 70.g6 Bf6 71.Nd4+-) 70.Nd4 Ke7 (70...Be1 71.g6 Ke7 72.Nf5 Kf6 73.g7+-) 71.d6! Kf7 (71...Kd6 72.Nb5 Double attack) 72.Kd5 (better 72.d7!? Ba5 73.Nc6 Bb6+-) 72...Ba5 73.Nc6 Bb6 74.Ne5 Ke8 (74...Kg7+-) 75.g6 (75.g6 Kd8 76.g7 Kc8 77.Kc6 Ba5 78.g8Q Bd8 79.d7 Kb8 80.Qd8 Ka7 81.Qc7 Ka6 82.Qb6) 1–0. Fegan,Chris (2065) – Opl,K1 (2260), World Senior Teams, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 Nc6

    8.Na3 Bd7 9.Nc2 Nf6 10.f4 (10.Nf3 0-0=+) 10...0-0 11.e5 Ne8 (11...Nd5 12.c4 Ndb4 13.Nf3-/+) 12.Qh5 g6 13.Qe2 f6 14.Nf3 a6 (14...fe5 15.fe5 de5 16.Bh6=+) 15.Bd2 (15.d5 ed5 16.e6 Bc8=) 15...Ng7 (15...fe5 16.fe5 de5 17.0-0-/+) 16.ef6 Bf6 17.g4 Bh4 18.Kd1 Be7 (18...e5 19.f5 Be7=+) 19.Ng5? (better 19.h4!? d5 20.h5 gh5 21.gh5=) 19...Bg5 20.fg5 e5 21.d5 Qc8 (21...Na5 22.Ra3-+) 22.h3 (22.dc6?? Bg4 23.cb7 Be2 24.Be2 Qb7-+) 22...Nd8 (22...Ne7!? 23.c4 Qc7-/+) 23.Ne3 b5 24.Be4 (24.h4!?-/+) 24...Nb7-+ 25.h4 (25.Bc2 Nc5-+) 25...Nc5 26.Bc2 e4 27.h5 Nd3! 28.Bd3 ed3 29.Qd3 (29.Qg2!? gh5 30.gh5-+) 29...Bg4-+ 30.Ng4 Qg4 31.Kc2 Rf3 32.Qd4? (32.Rh4 Qg3 (32...Qh4?! 33.Qf3 Qh5 34.Qf4-/+; 32...Rd3?! 33.Rg4 Rd5 34.hg6-+) 33.Qe2 Rc8-+ (33...Qh4?! 34.Qf3 Qh5 35.Qf6-/+)) 32...Qd4 (32...Qf5!? 33.Kc1 Nh5 34.Re1-+) 33.cd4 Nh5 34.Rhe1 Ng7 35.Bb4 (35.Re4 Nf5-+) 35...Nf5 36.Kd2 Nd4 37.Kc1 (37.Re4 Nb3 38.Ke2-+) 37...Nb3 (better 37...Rc8 38.Kd1 Rd3 39.Bd2-+) 38.Kb2 Na1 39.Ka1 Rf5 40.Bd6 (40.Re7 Rg5 41.Bd6 Rd5-+) 40...Rd5 (better 40...Rg5 41.Re7-+) 41.Ba3 (41.Bf4 Rf8 42.Bc1 a5-+) 41...Rg5 42.Bb2 (42.Ka2 h5 43.Re2 h4-+) 42...Rf5 (42...Rg2!? 43.Kb1-+) 43.Re7 Rf7 44.Re6 a5 0–1. Gritsayeva,O (2375) – Strutinskaya,G (2200), World Blitz Women, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Ne2 Nf6 9.0-0 0-0 10.f3 a6 11.Na3 Bd7 12.Qe1 b5 13.Qg3 e5 14.Nc2 Nh5 15.Qf2 g5 16.Ba3 Nf4 17.Nf4 gf4 18.Rfd1 Kh8 19.c4 Rg8 20.cb5 Bh3? (20...ab5 21.Bb5 Qb6 22.Bc6 Bc6 23.Rdb1+=) 21.Bf1?? (21.bc6 Bh4 22.Qd2 Bg2 23.Qg2 Rg2 24.Kg2 Qg5 25.Kh1+=) 21...ab5+= 22.Bb2 Ra1 23.Ba1 Bf6 24.Kh1 Bd7 25.Bb5 Qb6 26.Bf1 h6 27.Qd2 Kh7 28.de5 Ne5 29.Qd6 Qf2? 30.Be5+- Bh3 31.Qd2 Rg2 32.Qf2 Rf2 33.Bh3 Be5 34.Bf5 Kg7 35.Ne1 Bc3 36.Kg1 Rb2 37.Nd3 Bd4 38.Kh1 1–0. Abu Es Soud,Amin – Ebert,Berndt, Baden–ch HT1, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Ne2 Nf6 9.0-0 0-0 10.f4 Qb6 11.Kh1 Bd7 12.Nd2 Rac8 13.e5 Nd5 (13...Ne8!?+=) 14.Nc4 Qc7 15.ed6 Bd6 16.Nd6 Qd6 17.Ba3 Qc7 18.Bf8 Kf8 19.Qd2 (worse is 19.Bh7 Ne3 20.Qd3 Nf1+=) 19...Na5 20.c4 (20.Bh7 Nb3 21.Qb2 Na1 22.Ra1 Nc3+=) 20...Nc4 21.Bc4 Qc4 22.Rfc1 (worse is 22.Ra7 Qc2 23.Ra2 Qd2 24.Rd2 b5+=) 22...Qb3 23.Rc8 Bc8 24.Qa5 Ke8 25.Qa7 Qb6 26.Qb6 (26.Qa8 Qd8+/-) 26...Nb6+= 27.Nc3 Nd5 (better is 27...Nc4!?+=) 28.Nd5+- ed5 29.Ra5 Be6 30.Rb5 Ke7 31.Rb7 Kf6 32.g3 Kf5 33.Kg2 Ke4 34.Kf2 Kd4+/- 35.f5 Bf5 36.Rf7 Bg6 37.Rg7 Ke5 38.Re7 Kf6 39.Ra7 Kg5 40.Ke3 Kg4 41.Ra4 Be4 42.Ra6 Kg5 43.Rd6 Kh5? 44.Kf4 Bg6 45.Rd5 Kh6 46.h4 Bb1 47.g4 Kg7 48.Rd6 Bc2 49.Kg5 Be4 50.Rd7 Kf8 51.Kf6 (51.Kf6 Ke8 52.Re7 Kd8 53.Re4+-) 1–0. Schultz_Pedersen,Jesper (2170) – Vesterli,Michael E (2025), Helsingor DEN, Politiken Cup, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Ne2 Nf6 9.0-0 0-0 10.f4 e5 11.Nd2 Re8 12.Nf3 Qc7 13.Ng3 Bf8 14.h3 a6 15.Kh1 b5 16.Bb5 ed4 17.cd4 Bd7 18.Bd3 (worse is 18.Ba6 Nb4 (18...Ne4?! 19.Ne4 Re4 20.Ng5+=) 19.e5 Nfd5-+ (19...Na6 20.ef6 Nb4 21.Bd2 Ra1 22.Qa1+/-)) 18...Nb4 19.Bb1 Bb5 20.Rf2 Rec8 21.Ba3 Qc4 22.e5 Nfd5 23.Bh7 Kh8 24.Ng5 g6 25.Qg4 (better is 25.f5 Nd3 26.Rd2+=) 25...Bh6?? (25...Nd3 26.Rf3 Qc3+- (26...Qd4 27.Bg6 Nf2 28.Rf2 Qa1 29.Kh2 Qh1 30.Kh1+-)) 26.Nf7+- Kh7 27.Qh4 (27.f5 Rg8 28.Nh6 Be8 29.Ng8 Kg8 30.fg6 Qc8+-) 27...Kg7 28.Nh6 Ne3? (28...Nd3 29.Ngf5! Kf8 30.Nd6 Nf2 31.Qf2 Qd3 32.Nc8 Kg7+-) 29.f5 (29.f5 de5 30.fg6+-; 29.ed6 Nd3 30.Rf3 Bd7 31.Re3 Nf2 32.Kg1 Re8 33.Nhf5 Kg8 34.Ne7 Re7 35.Re7 Nh3 36.Kh2 Ng5 37.fg5 Ba4 38.Qh7 Kf8 39.Qg7) 1–0. Gurkin,Anton (2175) – Khabibullin,Rinat (1960), Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Ne2 Nf6 9.0-0 0-0 10.f4 e5 11.h3 Re8 12.Be3 Nh5 13.fe5 de5 14.d5 Na5 15.g4 Nf6 16.Ng3 b6 17.Kh1 Nd7 18.Qf3 Rf8 19.Nd2 Bc5 20.Rf2 Be3 21.Qe3 Nc5 22.Be2 Nab3 23.Nb3 Nb3 24.Raf1 a5 25.Nh5 a4 26.Rf6 Kh8?? (better is 26...Bd7+=) 27.Rf7+- (27.Rb6 Nd2 28.Rd1 Ne4+=) 27...Rg8 28.Ng7! Qh4 (28...Rg7 29.Rf8 Double attack) 29.Nf5 Bf5 30.R1f5 (30.R7f5 a3 31.Rh5 Qe7 32.Qb6 Nd2+/-; 30.gf5?? Rg3 31.Qg3 Qg3-+) 30...a3?? (better is 30...Rg7 31.Rg7 Kg7+-) 31.Rh5 (31.Re5? a2 32.Rf1 a1Q 33.Ra1 Ra1 34.Kg2 Rc1-/+) 31...Qh5 32.gh5 a2 33.Qh6 a1Q 34.Bf1 Qf1 35.Rf1 Rg7 36.Qf6 (36.Qf6 Kg8 37.Qc6 Rb8 38.Qe6 Rf7 39.Qf7 Kh8 40.Qf6 Kg8 41.Rg1) 1–0. Kravtsiv,Martyn (2295) – Belyaev,Ilja, UKR–ch U16 Ordzhonikidze, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Nf3 e5 9.0-0 Nf6 10.Nbd2 0-0 11.Nc4 Bg4 12.d5 Nb8 13.Be3 Na6 14.Na5 Bc8 15.Nd2 Qc7 16.Ba6 ba6 17.Nc6 Ng4 18.Nc4 Ne3 19.Ne3 Bg5 20.Nc4 f5 21.ef5 Rf5 22.Qd3 Rf4 23.N4a5 Qf7 24.f3 Rh4 25.g3 Bf5 26.Qe2 Rh3 27.c4 Qg6 28.Kh1? (better is 28.Rfe1!?+=) 28...Bd3-+ 29.Qg2 Bf1 30.Rf1 Qh5 (better is 30...Rh6-+) 31.Nb7= e4 32.f4 Bf6 33.Nd6 e3 34.Ne4 (34.g4 Qh4 35.Nf5 Rh2 36.Qh2+/-) 34...Re8 35.Nf6 gf6 36.Re1?? Qf5? 37.d6 Qd7 38.Ne7 Kf7 39.c5 Rh5 40.Qc2 Re7 41.de7 Qe7 42.c6 Qc5 43.Qe4 Qd5 44.Re3 Qe4 45.Re4 Rc5 46.Rd4 Rc6 47.Rd7 Kg6 48.Ra7 h5 49.Kg2 Kf5 50.Kh3 Kg6 51.Kh4 Rc2 52.h3 Ra2 53.Ra8 Ra5 54.g4 ½–½. Zala,Gyula (2175) – Mullner,Imre (2250), HUN–chT2 Erkel, 2005. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Nf3 Nf6 9.0-0 0-0 +=.

    8.Nf3 Nf6 9.Na3 0-0 10.Qe2 e5 11.h3 Re8 12.d5 Na5 13.0-0 Nb3 14.Ra2 Nc5 15.Bc2 Bd7 16.Bg5 (better is 16.Bd2-/+) 16...Ba4?? (better is 16...Nd5 17.ed5 Bg5-+) 17.Bf6 Bf6 18.Ba4 Na4 19.Nb5 Nc5 20.Na7 (worse is 20.Ra7 Ra7 21.Na7 Ne4 22.Qe4 Qa5+=) 20...Qd7 21.Nd2 (21.Rfa1 Be7+=) 21...Bg5= 22.Nf3 Be7 ½–½. Kramps,Rene – Kaeding,Rainer, NRW–ch Castrop–Rauxel, 1990. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.Nf3 Nf6 9.Nbd2 Qc7 10.0-0 0-0 11.Re1 e5 (11...Bd7 12.Ba3+=) 12.Bb2 Re8 (12...Bd7 13.Qb3=) 13.Nc4 Bf8 (13...ed4 14.cd4 Nb4 15.Rc1=) 14.Ne3 Ne7 (14...g6 15.Nd5 Qd8 16.Qb3+=) 15.c4 (15.Ra4 Ng6 16.Nd5 Nd5 17.ed5 Bd7+=) 15...Ng6= 16.c5 ed4 17.cd6 Bd6 18.Bd4 Ne5 (18...Ne4? 19.Nd5 Qc6 20.Re4+- (20.Be4?! Re4 21.Re4 Qd5 22.Re8 Bf8+/-)) 19.Be5 Be5 20.Rc1 Qe7 21.Nd5 (21.Ne5 Qe5 22.Nc4 Qg5+=) 21...Nd5= 22.ed5 (worse is 22.Ne5 Nf4 (22...Qe5?! 23.ed5 Qe1 24.Qe1 Re1 25.Re1-/+) 23.Nf3 Rd8-+) 22...Qd6 23.Ng5 (23.Qc2 g6 24.Ne5 (worse is 24.Re5 Re5 25.Ne5 Qe5-/+) 24...Re5 25.Qb2=) 23...g6 (23...Bh2 24.Kh1 Re1 25.Qe1-/+) 24.Ne4+= Qd8 (24...Qd5?? 25.Nf6 Bf6 26.Re8 Kg7 27.Rcc8 Rc8 28.Rc8+-) 25.f4 (25.Qf3 Bd7-/+) 25...Bg7-/+ 26.d6 Bf5 27.Rc7 (27.Kh1 Re6-/+) 27...Bd4 28.Kh1 Be4 29.Be4 Qd6 30.Rb7 Rab8 31.Qa4 ½–½. Herman,Diego (2195) – Macedo,Maximo Valerio (2085), Praia da Pipa BRA, American Continental, 2014.

    8.Nf3 Nf6 9.h4 a6 (9...0-0 10.Nbd2-/+) 10.Bf4 (10.Nbd2 0-0-/+) 10...Nd7 (10...0-0 11.Qc2-/+) 11.Nbd2+= e5 12.Be3 ed4 13.cd4 Nb4 14.Bb1 (14.Be2 d5-/+) 14...d5 15.e5 Nb6 16.Ng5 (better is 16.h5-/+) 16...Bg5 (16...Qc7 17.0-0-/+ (17.Nh7? Qc3 18.Ra4 Nc4-+)) 17.Bg5 (17.hg5 Qe7=) 17...Qd7 (17...Qc7 18.Ra3+=) 18.Qb3 a5 19.0-0 0-0 (better is 19...h6 20.Be3 Qd8+=) 20.f4?? (better is 20.Ra5! Ra5 21.Qb4+/-) 20...Qb5?? (20...h6 21.Ra5 Ra5 22.Qb4 Rb5 23.Bh7 Kh7 24.Qf8 Qg4+= (24...hg5? 25.f5 Qf5 26.Rf5 Bf5 27.Qf7+-)) 21.Be7= Bg4 22.Bf8+/- Kf8 23.Bh7 g6+= 24.Qg3 Bf5 25.Qg5 Qd3= 26.Nf3 Qe3 27.Kh2+- Nd3 28.Kg3?? Kg7 29.h5 Nf4?? 30.Qf4+- Qf4 31.Kf4 Kh7 32.Ng5 Kg7 33.h6! Kh6 34.Nf7 Kg7 35.Nd6 Bd3 36.Rfd1 Bc2 37.Rdc1 Bd3 38.Rc7 Kg8 39.Kg5 Nc4 40.Nb7 a4 41.Nc5 a3 42.Nd3 1–0. Vogiatzis,Dimitrios (1965) – Renner,Manfred (2075), Regionalliga NO9495, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.f4 d5 9.e5 h5 (9...Bh4 10.g3 Be7 11.Ba3+=) 10.Na3 (10.Nf3 Bd7=) 10...Qa5 (10...Bh4 11.Kf1+=) 11.Bb2 g6 (better is 11...Qb6!? 12.Rb1 Bh4 13.g3 Be7+=) 12.Nb5+= ½–½. Lutz,Klaus Juergen – Carton,Patrick (2250), Oberursel, 1989. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.f4 f5 9.e5 (9.ef5 ef5 10.d5 Nb8=) 9...Nh6+= 10.Nf3 Nf7 11.ed6 Bd6 12.0-0 0-0 13.Na3 Ne7 14.c4 Bd7 15.Qd2 Ng6 16.g3 Bc6 17.Bb2 Qd7 18.Qc3 Bf3 19.Rf3 Nh6 20.c5 Bc7 21.Re1 a6 (21...Rf6!?+=) 22.Bc4 (22.Bc4 Rfe8 23.Rfe3+/-) 1–0. Berry,Jonathan – Frumkin,Edward, corr ch–North Atlantic, 1980. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.f4 Nf6 9.Nf3 0-0 10.0-0 Re8 11.Nbd2 a6 12.e5 de5 (12...Nd5 13.Ne4=+) 13.fe5= Nd5 14.Ne4 h6 15.Qe1 Bd7 16.Qg3 Kh8 17.Nfg5! (17.Nfg5 Rf8 18.Nf7 Rf7 19.Rf7+-) 1–0. marekt (2020) – rona81 (2020), gameknot.com, 2014. (=1.b4 c5 2.e4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.f4 Nf6 9.Nf3 Qc7 10.g3 h6 11.Kf1 e5 12.d5 Bh3 13.Ke1 Nb8 14.fe5 de5 15.Qd2 Nbd7 16.Ng1 Bg4 17.h3 Bh5 18.g4 (better is 18.Qc2-+) 18...Bg6 19.Qe2 0-0 (19...Nc5 20.Bb5 Kd8 21.Be3 Be4 22.Nf3-+) 20.Be3? (20.g5 hg5 21.Bg5 Nd5 22.ed5 Bd3 23.Qd3 Bg5-+) 20...Bc5 (worse is 20...Ne4 21.Qb2-+) 21.g5 Be3?? (better is 21...Ne4 22.gh6 Ng3-+) 22.gf6-/+ Bf4 23.fg7 Kg7 24.h4 Nf6 25.h5 Bh7 26.Nh3 Kh8 27.Nf4 ef4 28.Kd2 Qe5 29.Re1 a6 30.Na3 b5 31.Nc2 Rg8 32.Nd4 Rg3 33.Nf3 Qh5 34.Rf1 Rag8?? 35.Rf2?? Ng4 36.Rff1 Ne5 37.Ra6?? Rg2 38.Rf2 38...Nf3 39.Kc2 Qh2 40.Rh6 Qh6 41.Rg2 Rg2 42.Qg2 Ne1 (42...Ne1 43.Kb3 Ng2-+) 0–1. Helin,Mikael – Harrison,Jorge Sosa, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    7.Bd3 Nd7

    8.Ne2 Ngf6 9.0-0 0-0 10.Nd2 b6 11.f4 e5 12.Ng3 g6 13.Nf3 ef4 14.Bf4 Ne8 15.Qb3 Bb7 16.Bh6 Ng7 17.Bc4 Bf6 18.Rae1 Qe7 19.e5 de5 20.de5 Ne5 21.Ne5 Be5 22.Bf7 Kh8 23.Qb5 Rf7 24.Rf7 Qf7 25.Qe5 Bc6 26.Rf1 Qb7 27.Qf6 Bd5 28.Ne4 Kg8 29.Nd6 Qc7 30.c4! Be6?? (30...Bc4 31.Nc4 Combination) 31.Nb5 (31.Bg7 h6 32.Qe6 Kg7+-) 31...Qc5?? (better is 31...Qd7 32.Nd6 Nf5 33.Nf5 Bf5+-) 32.Rf2 (better is 32.Nd4!? Qf8 33.Qf8 Rf8 34.Rf8 Kf8 35.Ne6 Kf7 36.Ng7 a5+-) 32...Qf8 33.Bg7?? Qf6+/- 34.Bf6 Bc4 35.Nd6 Bd5 36.Be7 a5+/- 37.Rb2 a4 38.Nb5 Re8 39.Nc7 Re7 40.Nd5 Rb7 41.Rb5?? a3= 42.Nb4 Rc7 43.Rb6 ½–½. Frink,Ferenc (2510) – Sax,Gyula (2235), Balatonlelle op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.Ne2 Ngf6 9.0-0 0-0 10.Nd2 e5 11.f4 (11.h3 b6+=) 11...Qc7 (11...a6 12.Qb3+=) 12.Nf3 d5 (12...a5 13.Ra2+=) 13.Ne5 Ne4 (13...de4 14.Bb1 a5 15.Qc2-/+) 14.Qb3 (14.c4 a5+=) 14...Ne5 (14...Ndf6 15.Be4 Ne4 16.Rf3-/+) 15.fe5+= Be6 16.Be3 (16.Qc2 a5+=) 16...Rfc8 (better is 16...Qc6-/+) 17.Be4= de4 18.d5 Bc5 19.de6 Be3 20.Kh1 fe6 21.Qe6 Kh8 22.Rf7 Qb6 (22...Qc6 23.Qh3 Bd2 24.Qf5=) 23.Qe7 (better is 23.Qd7!? Bh6 24.Qb7 Qb7 25.Rb7=) 23...Re8+= 24.Raf1 h6 (24...Re7?? 25.Rf8 Rf8 26.Rf8) 25.Qd7 Qg6 26.Ng3 Rad8 27.Qb7 Re5 28.Qc7 Rde8 29.Nf5 Bb6 30.Qc4 e3?? (30...Qe6 31.Qe6 R8e6 32.Ng7 Re7 33.Re7 Re7=) 31.Ne7 (better is 31.Nh4 Qe6 32.Rf8 Kh7 33.Qd3 Re4 34.Re8 Qe8+-) 31...Qe6?? (better is 31...Qf7! 32.Rf7 R5e7 (32...R8e7?! 33.Rf8 Kh7 34.Qd3 g6 35.Qc4=) 33.Re7 Re7-/+) 32.Rf8+- Rf8 33.Ng6!! Kg8 34.Ne7 Kh7-+ 35.Qd3 Re4 36.Rf8 e2 37.Nd5 (37.g4 e1Q 38.Rf1 Qd7 39.Qh3 Re7 40.Qg2 Qf1 41.Qf1 Qd5 42.Qf3 Qf3) 0–1. Frink,Ferenc (2240) – Maraczi,Erno (2115), HUN–chT2 Erkel, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.Nf3 Ngf6 +=.

    8.f4 d5 9.e5 +=.

    8.f4 Ngf6 9.Nf3 0-0 10.0-0 Qc7 11.Ra2 b6 12.Ng5 e5 13.Ba3 Re8?? (better is 13...Nb8+=) 14.Qb3+/- d5 15.fe5 (15.fe5 Ne5 16.de5 Ba3 17.Na3 Qe5 18.Nf3+/-) 1–0. Zala,Gyula (2145) – Vereb,Andras (2085), HUN–chT2 Erkel, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.f4 Bh4 9.g3 Be7 10.Qf3 (10.Nf3 Ngf6+=) 10...Qc7 11.Ne2 b6 12.g4 Bb7 13.f5 e5 14.g5 h6 15.h4 (15.Qh5 d5 16.g6 Ngf6 17.gf7 Kd8-/+) 15...a6 16.Be3 b5 17.Nd2 Bf8 (17...Rc8 18.Qh5+=) 18.Nb3 Ne7 (18...hg5 19.hg5 Rh1 20.Qh1 Ne7+=) 19.Kf2 (19.gh6 g6 20.fg6 fg6 21.h5 Bh6 22.hg6-/+) 19...hg5 (19...d5 20.Ke1-/+) 20.hg5 Rh1 21.Rh1 ed4 (21...d5 22.Ke1-/+) 22.cd4 d5 23.e5 (23.Rh8!?-/+) 23...Ne5-+ 24.de5 d4 25.Be4 (25.Rc1 de3 (worse is 25...Bf3 26.Rc7 Be2 27.Be4 de3 28.Ke2=) 26.Qe3 Qb8-/+) 25...de3 26.Ke3 Qe5 27.Ned4? Rc8 28.Rd1 Rc3 29.Rd3 Nd5 30.Kf2 Rd3 31.Qd3 Nf4 32.Qe3 Be4 33.Nf3 Nh3 34.Kf1 Qf4 (34...Qf4 35.Qf4 Nf4-+) 0–1. Matseyko,K (2300) – Worek,J (2240), SCT Ladies Open, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.Bd3 e5

    8.Qa4 Nd7 9.Nf3 Ngf6 10.0-0 0-0 11.Nbd2 a6 12.Qa2 Qc7 13.Qb1 b5 14.Ba3 Nb6 (14...Qc3? 15.Rc1 Qa5 16.Bd6+-) 15.Rc1 Bg4 (better is 15...Rb8!?+=) 16.c4= Nc4 17.Nc4 bc4 18.Rc4 Qa7 (18...Qd7 19.de5 Bf3 20.ef6 Rfb8=) 19.de5+= Rfb8 20.Qc2 Ne8 (20...de5 21.Ne5 Ba3 22.Nc6+/- (worse is 22.Ra3 Qe7 23.Qc3 Bd7+=; 22.Ng4?! Ng4 23.Ra3 Rb1 24.Bf1 Qb8=)) 21.ed6 Bd6 (21...Nd6? 22.Rc7 Rb7 23.Re7 Re7 24.Bd6+-) 22.Bd6 Nd6 23.Rc7 Rb7 24.Rc6 (24.Ra6?! Rc7 25.Ra7 Rca7=) 24...Nb5 25.Qa4 h6 26.Ne5 Be6 27.Ra6 Qa6 28.Qa6 Ra6 29.Ra6 Nd4 30.h4 g5 31.Rd6 Rb4 32.Kh2 gh4 33.Bc4 Nb5 34.Rd8 Kg7 35.Be6 Re4 36.Rd7 Will f7 fall? 36...Re5 37.Bf7 Kf6 38.Bc4 Rc5 39.Bb5 Rb5 40.Rd4 Rh5 41.Kh3 Rf5 42.f3 Ra5 43.Kh4 Kg6 44.g3 Rb5 45.f4 Ra5 46.Rd6 Kg7 47.Kg4 Rb5 48.Re6 Ra5 49.Re5 Ra3 50.Rb5 Rc3 51.Rb7 Kf6 52.Rb6 Kg7 53.Rb7 Kf6 54.Rh7 Kg6 55.Ra7 Rc5 56.Ra6 Kg7 57.Re6 Ra5 58.Re5 Ra3 59.Rc5 Rb3 60.Rc7 Kf6 61.Rc6 Kg7 62.Kf5 Rg3+= 63.Rc7 Kg8 64.Kf6 h5 65.Rc5 h4 66.Rh5 h3 67.f5 ½–½. Johansen,Darryl Keith – Adamski,Jan (2470), Luzern ol (Men), 1982. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.d5 Nb8 9.Be3 a6 10.Nd2 Nf6 11.h3 Qc7 12.Ne2 Nbd7 13.0-0 0-0 14.g4 Nc5 15.Bc2 h5 16.f3 Nh7 17.Kh2 Bg5 18.Bg5 Ng5 19.h4 Nh7 20.Ng3 g6 21.Rg1 Qe7 22.g5 f6 23.Nf5 Qd8 24.gf6 Rf6 (24...Qf6? 25.Rg6 Qg6 26.Ne7 Kg7 27.Ng6 Kg6 28.Nc4+-) 25.f4 Kh8 (worse is 25...Bf5 26.ef5 Nf8 27.Qh5 (27.fg6? Rf4 28.Rg2 Qh4 29.Kg1 Qh3-+) 27...ef4 28.fg6+=) 26.Nf3? (better is 26.fe5 de5 27.Ne3-+) 26...gf5 (26...Bf5?! 27.ef5 gf5 28.Ng5-/+) 27.fe5 de5 28.Qe1 f4 (better is 28...fe4 29.Ne5 Bf5 30.Rd1-+) 29.Ne5 Qe8 30.Nc4 Qd7 31.Rg2 Qh3 32.Kg1 f3 33.Rg3 f2 34.Qf2 Rf2 35.Kf2 Qh2 36.Rg2 Qh4 37.Kg1 Bh3 38.Ne5 Bg2 39.Ng6 Kg8 40.Nh4 Be4 41.Be4 Ne4 42.c4 Rf8 43.Rd1 Rf6 44.Ng2 Nhg5 45.Ne3 Rf2 (45...Rf2 46.Nf1 Nf3 47.Kh1 Ng3 48.Ng3 Rh2) 0–1. Frink,Ferenc (2210) – Meszaros,Michal (2360), Tatry op Tatranske Zruby, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e5 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nc6)

    8.d5 Nf6 9.Be3 b6 10.Ne2 0-0 11.0-0 Nbd7 12.h3 Nc5 13.Bc5 bc5 14.Nd2 a5 15.Qc2 Qc7 16.Rfb1 Bd7 17.Bb5 Rfb8 18.c4 g6 19.Ra4 Rb7 20.Nc3 Nh5 21.Rba1 Bd8 22.Nb3 Rba7 23.Na5 Ra5 24.Ra5 Ra5 25.Ra5 Qa5 26.Bd7 Nf4 27.Bg4 Qa1 28.Nd1 Qd4 29.g3 Nd3 30.Qa4 h5 31.Qe8+= Kg7 32.Be6 fe6 33.de6 Qe4 34.Qf7 Kh6 35.h4?? Bh4 36.Ne3 Bg3 37.e7?? Bf2-+ 38.Kf1 Qe3 39.e8Q Qe1 40.Kg2 Nf4 (40...Nf4 41.Qf4 ef4 42.Qf8 Kg5 43.Qd8 Kf5 44.Qd7 Qe6 45.Qe6 Ke6-+; 40...Qg1 41.Kh3 Qg3) 0–1. Frank,Jozsef2 (2220) – Gosztola,Istvan (2295), HUN–chT2, 1995. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.Ne2 d5 9.ed5 (9.de5 Nc6 10.f4 de4 11.Be4 Qd1 12.Kd1 Bc5+=) 9...Qd5+= 10.0-0 Nc6 11.Na3 Nf6 12.Nb5 Qd8 13.de5 Ne5 14.Bf4 Nfd7 15.Ned4 0-0 (15...Nd3?? 16.Bc7 (16.Qd3?! 0-0+/-) 16...N7c5 17.Bd8 Kd8 18.Na7+- (worse is 18.Ra7 Ra7 19.Na7 Bd7+-)) 16.Be5 Ne5 17.Bh7 Kh7 18.Qh5 Kg8 19.Qe5 a6 20.Rfe1 Bf6 21.Qg3 Bd7 22.Nc7 Rc8 23.Nd5 Bc6 24.Nf6 Qf6 25.Re5 Bd7 26.f4 Rfe8 27.Rg5 Re4 28.Rf1 b5 29.Re5 Re5 (29...Re8 30.Re4 Re4 31.f5+=) 30.fe5= Qe7 31.h4 Rc5 32.Re1 b4 33.cb4 Rc4 34.Nf3 Rg4 35.Qh2 Qb4-/+ 36.e6 Be6 37.Qc7 Qb2 38.Qd8 Kh7 39.Ng5 Kg6?? 40.Qd3?? Bf5-+ 41.Qd6 f6 42.Qd5?? Qb6 43.Kf1 fg5 44.h5 Kf6 45.Qe5 Kf7 46.Qe8 Kf6 47.Qe7# (47.Qf8) 1–0. Vogiatzis,Dimitrios – Fischer,Franz, Regionalliga NO, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.Ne2 Nf6 9.0-0 0-0 10.f4 Nbd7 11.Ba3 Re8 12.Nd2 Bf8 13.Qc2 h6 14.Nc4 Qc7 15.fe5 de5 16.Bf8 Kf8 17.Qb3 Kg8 18.h3 b6 19.d5? (better is 19.Qa3+=) 19...Nc5-+ 20.Qc2 Ba6 21.Ne5 Nd3 22.Nd3 Bd3 23.Qd3 Ne4 24.Rf3 Nc5 25.Qc2 Qe5 26.Nf4 a5 27.Rd1 a4 28.c4 Nb3 29.d6?? (better is 29.Qf2-/+) 29...Nd4-+ 30.Qf2 Nf3 31.Qf3 a3 32.d7 Red8 33.Qa8 (33.Qf1-+) 33...Ra8 34.d8Q Rd8 35.Rd8 Kh7 36.Nd5 a2 (36...a2 37.Ra8 a1Q 38.Ra1 Qa1 39.Kf2 b5-+) 0–1. Kinnunen,Matti – Pollari,Pasi, Helsinki op2, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.Ne2 Nf6 9.0-0 0-0 10.h3 Nc6 11.d5 Na5 12.Be3 Bd7 13.Nd2 b6 14.Ng3 Qc7 15.c4 Nb7 16.f4 Nc5 17.Bc2 ef4 18.Rf4 Bc8 19.Bd4 Ncd7 20.Nf5 Ne5 21.Ba4 Bf5 22.Rf5 g6 (22...Nc4? 23.Rc1+-) 23.Be5 (23.Rf2 Nfd7=) 23...de5 24.Rf1 Nh5 25.Bc6 Rad8 26.Qg4 Bc5 27.Kh1 Be3 28.Ra2 Bf4 29.Rf3 Qe7 30.g3 Bd2 31.Rd2 Qb4 32.Rd1 Qc4 33.Rdf1 b5 34.Kh2 a5 35.R3f2 b4 36.Qe2 Qd4 37.Rf3 Rd6 38.Rd3 Qc4 39.Rd2 Qc5 0–1. Noire,Eric (2190) – Kharitonov,Alexander (2145), IECG, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.f4 ed4 9.cd4 d5 10.e5 Nc6 11.Nf3 Nh6 12.Be3 Bb4 13.Kf1 Bf5 14.h3 Bd3 15.Qd3 f5 16.Kf2 0-0 17.Nbd2 Qd7 18.Rag1 Rac8 19.g4 Kh8 20.g5 Ng8 21.h4 Nge7 22.h5 Kg8 23.Rb1 Rc7 24.Nf1 Ba5 25.Qa3 Rfc8 26.Ng3 Bb6 27.Rbd1 Na5 28.Nh4? (better is 28.Qd6!?-/+) 28...Rc2-+ 29.Kf3? (29.Ne2 Nc4 30.Qb3-+) 29...R8c3 30.Qd6 Re3! (30...Re3 31.Ke3 Nc4 32.Kd3 Nd6 33.Kc2 Qa4 34.Kc1 Qc4 35.Kb1 Qb3 36.Kc1 Nc4-+) 0–1. Wege,Jochen (2180) – Kuemin,Simon (2120), Biel MTO op, 1998. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.f4 ed4 9.Nf3 dc3-/+ 10.0-0 (10.Nc3 Nc6-/+) 10...Nc6 (10...Qc7 11.Qc2-/+) 11.Nc3 Nf6 12.h3 (12.Qb3 0-0-/+) 12...0-0 (12...Qb6 13.Kh1-/+) 13.Ba3 (13.Be3 a5-/+) 13...a6 (13...Qb6 14.Kh1-+) 14.Qc2 Re8 15.Rfd1 (15.Rfb1 h6-/+) 15...b5 (15...Qb6 16.Kh1 Be6 17.Rdb1-/+) 16.e5 (16.Kh1 Bb7-/+) 16...Qb6-+ 17.Kh1 (17.Qf2 Qf2 18.Kf2 b4 19.ef6 Bf6-+) 17...de5 18.fe5 (18.Be7 A) 18...Ne7?! 19.fe5 Nh5 20.Nb5= (worse is 20.Bh7 Kh8-/+); B) 18...Re7 19.Bh7 Kh8-+) 18...Ne5! 19.Bh7 (19.Ne5 Ba3) 19...Nh7 20.Nd5 Qc6 21.Ne7 Re7! 22.Rd8 (22.Be7 Qc2 Combination) 22...Nf8 23.Rc1 Qc2 24.Rc2 Neg6 (24...Bb7!? 25.Ra8 A) 25...Nf3 26.Rf8 Kf8 27.Rc7+/-; B) 25...Bf3?? 26.Rf8 Kh7 27.Be7+- (27.gf3?! Rd7+-); C) 25...Ba8 26.Be7 Bf3 (26...Nf3? 27.Rc8 Kh7 28.Rf8+-) 27.gf3 Nc4-+ (27...Nf3? 28.Rc8+-)) 25.Be7-/+ Ne7 26.Rc7 Bb7 27.Ra8 (27.Rb7 Rd8 Discovered attack) 27...Ba8 28.Re7 Bd5 (28...Bf3!? 29.gf3 Ne6+=) 29.Ra7+= Ne6 30.Ra6 b4 31.Rb6 b3 32.Nd2 (32.Rb4 g5+/-) 32...Nf4 33.Kh2 Ng2 34.Nb3 Nf4 35.Nd4 g6 36.Kg3 Ne6 37.Ne6 Be6 38.h4 Kg7 39.Kf4 Bd5 40.Kg5 Be6 41.Rb7 Bd5 42.Ra7 Be6 ½–½. Rodriguez Sorribes,J (2135) – Vehi Bach,V (2410), 35th Open Manresa ESP, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.f4 ef4 9.Bf4 Nf6 10.Nf3 Bg4 11.0-0 h6 12.h3 Bh5 (12...Bd7 13.Qb3 Qc8 14.Na3=) 13.Bb5 (13.Qb3 b6+=) 13...Kf8 (13...Nbd7 14.Nbd2=) 14.Nbd2+= g5 15.Be3 g4 16.Nh4 (better 16.hg4!? Ng4 17.Qe1+=) 16...gh3=+ 17.Be2 (17.Qe1 hg2 18.Ng2 Nbd7-/+) 17...Be2 18.Qe2 Rg8 19.Qf3 hg2 20.Rf2 Nbd7 21.Bh6 Ke8 22.Nf5 Qc7 (22...Qb6=) 23.Re1 (23.Ne7 Ke7 24.e5 de5 25.de5 Qe5+=) 23...Qc6 (better 23...Rg6=+) 24.Ne7 Ke7 25.e5 de5 26.de5 Qf3 27.ef6 (27.Rf3? Ng4 28.Bf4 Ke6-+) 27...Kf6 28.Nf3 Kg6 29.Be3 (29.Bd2 Rae8 30.Rg2 Kh7 31.Ng5 Kg7+-) 29...f6 30.Bd4 Kf7 31.Nh4 (31.Ne5 Ne5 32.Re5 Rg6+-) 31...Rg5 32.Nf5 Kg6 33.Re7 (33.Nd6!? b6+-) 33...Rf5+- 34.Rg2 Rg5 35.Rd7 Rg2 36.Kg2 a5 37.Rb7 a4 38.Rb2 (38.Rb6 a3 39.Rf6 Kg5+-) 38...Kf7 39.Kf3 Ke6 40.Ke4 f5 41.Kd3 Kd5?? (41...Kd6+-) 42.Rb6 (42.Rb6 Rc8 43.c4 Rc4 44.Rb5 Ke6 45.Kc4+-) 1–0. Plichta,K (2335) – Poltorak,Sebastian (1850), 26th Poznan Open (4), 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    8.f4 ef4 9.Bf4= Bh4 10.g3 Bg5 (10...Be7 11.Nf3=) 11.Ne2 (11.Bb5 Nd7 12.Bd6 Qb6 13.Bd7 Bd7=) 11...Bf4+= 12.Nf4 Nh6 (12...Nf6 13.0-0=) 13.0-0 0-0 14.Nd2 Nc6 15.Qb3 a6 16.Nc4 (16.Qd5 Ne7 17.Qg5 Ng4=) 16...b5+= 17.Ne3 Ne7 (17...Ng4 18.Ned5+=) 18.Qc2 (18.c4 bc4 19.Bc4 a5=) 18...Ng4 (18...Bb7 19.c4 Qb6 20.Qb2+=) 19.Qe2 (19.Ng4 Bg4 20.c4 Nc6+=) 19...Ne3+= 20.Qe3 Bd7 21.Rf2 (21.c4 b4+=) 21...Ng6 (21...Qc7 22.Rc2-/+) 22.Nd5 (22.Ng6 fg6 23.Rf8 Qf8+=) 22...Bc6 23.Nb4 (23.c4 Bd5 24.cd5 Qb6+=) 23...Bb7-/+ 24.h4 (24.c4 a5 25.Nd5 b4-/+) 24...Ne7 (24...Qc8 25.Ra3-/+) 25.h5 Qc8 26.Rc1 (26.Ra3 Qe6-/+) 26...Qh3 (26...Qe6 27.h6-/+) 27.Rh2 (27.Qf4 Qh5 28.Qd6 Qg5-/+) 27...Qe6 28.Rf1 (28.Rf2 a5 29.Nc2 Rfc8 30.Bb5 Nd5 31.ed5 Qd5-+) 28...f5-+ 29.Re1 (29.e5 a5 30.Nc2 Nd5-+) 29...a5 30.Na2 fe4 31.Be4 Be4 32.Qe4 Qe4 33.Re4 Nd5 34.Rb2 Rab8 35.Re6 Rfc8 36.Rd6-/+ Nc3 37.Ra6 Na2 38.Ra2 b4 39.R6a5-/+ b3 40.Rb2 Rc2 41.Rb1 b2 42.Rc5 Rd2 43.d5 Rb3 44.Rf1? h6 45.Rb1 Rbd3 46.Rc8 Kh7 47.Rf8 Rg3 48.Kh1 Rc3 49.Rff1 Rcc2 50.Rfe1 Rd5 0–1. Tulupov – Makarov,Marat (2515), RUS–chT Podolsk, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 e5)

    7.Bd3 Nf6

    8.Ra2 b6 9.f3 Bb7 10.Ne2 e5 11.Ng3 Nbd7 12.0-0 0-0 13.Nf5 Re8 14.Ba3 Qc7 15.Qb3 Rac8 16.Re2 Bf8 17.f4 ed4 18.e5 de5 19.Bf8 Nf8 (19...Kf8 20.fe5 Ne5 21.cd4 Nd3 22.Qd3 Re2 23.Qe2-+) 20.Bb5? (20.fe5 Re5 21.Re5 Qe5 22.cd4-+) 20...Bd5 21.Qb4 Re6 22.cd4? (better is 22.fe5!? d3 23.Bd3-/+) 22...e4-+ 23.Na3 Qc3 24.Qa4 a5 25.Rc2? (better is 25.Rb1 Qc7 26.Rc2-+) 25...Bb3 26.Rc3 Rc3 27.Nb1 Ba4 28.Nc3 Bb5 29.Nb5 Nd5 30.Rc1 (30.Nfd6 e3 31.f5 Re7-+) 30...g6 31.Nh6 Kg7 32.f5 Re8 (better is 32...Re7 33.Ng4 gf5 34.Ne5-+) 33.Nd6 Re7 (worse is 33...Kh6 34.Ne8 gf5 35.Rc6 Kg5 36.Nd6-/+) 34.Ng4 Rd7 35.Ne8 Kh8 36.Rc8 Ne7 37.Rb8 Nf5?? 38.Nef6= Kg7 39.Rf8 Kf8-/+ 40.Nd7 Ke7 41.Nb6 Nd4 42.Kf2 f5 43.Ke3 Nc6 44.Nf2 Kd6 45.Na4 Kd5 46.Nb2 g5 47.g3 Ne5 48.Nfd1 Ng4 49.Kd2 Nh2 50.Ne3 Ke6 51.Ke2 f4 52.gf4 gf4 53.Nec4 Ng4 54.Na5 h5 55.Kf1 h4 0–1. Zala,Gyula (1995) – Gal,Hanna Krisztina (1920), First Saturday FM_A Dec, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Nd2 Nc6 9.Ne2 Bd7 10.0-0 a6 11.f4 0-0 12.Ng3 b5 13.Nf3 Qb6 14.e5=+ de5 15.fe5 Nd5 16.Bg5 Nc3-/+ 17.Bh7 Kh8 18.Qd3 Nd4?? 19.Be7+/- Nf5 20.Kh1 Ne7 21.Qc3 Kh7 22.Qd3 g6? 23.Qd7 Ra7 24.Qd2 Kg7 25.Qg5 Nf5 26.Qf6 Kg8 27.Nf5 gf5 28.Rad1 Qe3 29.Rd4 Rc7 30.Rh4 (30.Rh4 Qg1 31.Kg1 Rfc8 32.Rh8) 1–0. Rubach,Ingo – Stoecker,R, Pinneberg op, 1995.

    8.Ne2 a6 9.0-0 0-0 10.Ng3 Nbd7 (10...Bd7 11.Qf3+=) 11.f4 Re8 (11...Qc7 12.Ba3+=) 12.c4 (12.e5 Nd5+=) 12...Nf8 (better is 12...e5+=) 13.e5? (better is 13.Nc3+=) 13...de5-+ 14.Bb2 ed4 15.Kh1 (15.Nd2 e5! 16.fe5 Ng4-+) 15...Bc5 16.Nh5 (16.Nd2 Qb6 17.Nb3 Rd8-+) 16...b6 17.Qf3 (17.Nd2 Bb7-+) 17...Rb8 (17...Ra7 18.Nf6 Qf6 19.Nd2-+) 18.Nd2 Bb7 19.Qh3 (19.Nf6 Qf6 20.Be4 Bc8-+) 19...Nh5 20.Qh5 Qe7 (20...Ng6 21.Nf3 Qf6 22.Ne5-+) 21.Rae1 (21.Ne4 Rbd8-+) 21...f6 (21...Bb4 22.Re2 Rbd8 23.f5-+) 22.Re2 Qf7 23.Qh3 f5 24.Rfe1 Ng6 25.Qg3 Be7 26.Re6 Bh4 27.Re8 Re8 28.Re8 Qe8 29.Qh3 Qe3 30.Qf5 Bg2! 0–1. Polanco,Brayan Arley (1850) – Mejia Garcia,Michelle (1995), Cali COL, 3rd Latinoamerican Cup–B, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6 8.Ne2 a6)

    8.Ne2 b6 9.0-0 Bb7 10.Ng3 (10.Nd2 0-0 (10...Nc6 11.Nc4 0-0 12.f3 Qc7 13.Rb1 Ba6 14.Ra1 Bb5) 11.Bb2 Nc6 12.Qb3 Na5 13.Qc2 Qc7 14.f3 Rfc8; 10.f3 Nc6 (10...0-0 11.Nd2 Nc6 12.Nc4 d5 13.Ne3 a5 14.e5 Nd7) 11.Be3 0-0 12.Nd2 Qc7 13.Qa4 h6 14.Qb3 Rfe8; 10.Nf4 e5 (10...0-0 11.Nd2 e5 12.Nh5 Nc6 13.Nb3 ed4 14.Nd4 Ne5) 11.Nh5 0-0 12.Be3 Nc6 13.Nd2 ed4 14.cd4 Nb4) 10...Qc7 (10...0-0 11.Bf4 Nc6 12.Nd2 e5 13.Be3 ed4 14.cd4 Nb4; 10...Nc6 11.Nd2 0-0 12.Nf3 Qc7 13.Bf4 h6 14.h3 Na5) 11.Bd2 (11.Qf3 0-0+= 12.Bf4 a6 13.Nd2 Nc6 14.h3 b5; 11.Na3 a6 12.Bf4 Nc6 13.Nc2 0-0 14.Nb4 a5) 11...Nbd7 (11...Nc6 12.Qf3+= (12.Na3 0-0 13.f4 a6 14.e5 Nd5) 12...0-0 13.Na3 a6 14.Nc4 b5) 12.Na3 (12.Qf3 h5+= 13.Na3 h4 14.Ne2 Qc6) 12...a6 13.Qe2 (13.c4 h5 14.f3 (14.Qf3 h4) 14...h4+=; 13.Qf3 0-0 14.Nc4 a5) 13...h5-/+ (13...0-0 14.f4 b5) 14.f3 (14.h4 Ng4) 14...h4 15.Nh1 b5 (15...h3 16.g3+=) 16.c4= Qb6 (16...bc4 17.Nc4 d5 18.Na5 de4 19.fe4=) 17.cb5+= ab5 (17...d5 18.ba6 Ra6 19.Nc2 (worse is 19.Ba6 Ba6 20.Qe3 Bf1 21.Kf1 de4-/+) 19...Ra1 20.Ra1=) 18.Nb5 0-0 19.Nf2 Ra1 20.Ra1 Ra8 (20...Ba6 21.Be3+=) 21.Rb1 (21.Ra8 Ba8 22.Bg5 e5+/-) 21...Ba6 22.Be3 (22.Bg5 h3+/-) 22...Qd8+= 23.Ra1 (23.Bg5 Nh5 24.Bd2 Nhf6+=) 23...Bb5 (23...Nb6 24.Rd1+=) 24.Ra8 Qa8 25.Bb5 Nf8 26.Ba6 d5 27.Bd3 Qa3 28.Qc2 Bd8 29.e5 N6d7 30.Ng4 Bb6= 31.Qd1 Qc3 32.Kh1 Nb8 33.Bb5+= Nc6 34.Bd2 Qd4-/+ 35.Bc6 Ba5 36.Ne3? Qd2-+ 37.Qd2 Bd2 38.Ng4 Bf4 39.Ba4 Ng6 40.Bc2 Ne5 41.Ne5 Be5 42.Kg1 Kf8 43.h3 Ke7 44.Kf2 Bf4 45.Ba4 f5 46.Ke2 e5 47.Kd3 Ke6 48.Be8 e4 49.Kd4 Bb8 0–1. Kravtsiv,M (2445) – Krapivin,A (2455), Vasylyshyn Mem, Lviv UKR, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Ne2 b6 9.Nd2 Bb7 10.0-0 Nbd7 11.Bb2 0-0 12.Ng3 e5 13.Nf5 Re8 14.Ba3 Qc7 (better 14...Bf8!?=) 15.Nc4+- d6 draws heavy fire 15...Bf8 (15...Ne4 16.de5 Qc6 17.Qg4+=) 16.Ncd6 g6 17.Qb3 Re6 (17...gf5?? 18.Qf7 Kh8 19.Nf5+-) 18.Nb5 (18.Nf7 Kf7 19.Bc4 Ke8 20.Be6 gf5 21.Bf7 Kd8 22.Bf8 Nf8 23.ef5 N8d7+-) 18...Qb8+- 19.Bc4 Rc6? (better 19...gf5 20.Be6 fe6 21.Qe6 Kh8 22.Bf8 Qf8+-) 20.Bf7+- Kh8 21.Ne7 Be7 22.Be7 a6 (22...ed4 23.Nd4 Rc5+-) 23.de5 (better 23.d5 Rc5 24.Nd6+-) 23...Qe5= Attacking the isolated pawn on c3 24.Bf6 Rf6 25.Bd5 Nc5 26.Qb1 Bd5 (worse 26...ab5 27.Bb7 Ra1 28.Qa1+=) 27.ed5 Rd8 (27...Qd5? 28.Nc7 Qc6 29.Na8 Qa8 30.Re1+-) 28.Nd4 Qd5 29.Re1 Rdf8 30.Ra2 Nd3 31.Rf1 Qc4 32.Rd2 Nf4 33.Qc2 ½–½. Couture,Jonathan (1925) – Page,Dany, Laval Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Ne2 Qc7 9.0-0 Nc6 10.h3 b6 11.f4 Bb7 12.Ra2 Na5 13.Nd2 Bc6 14.Ba3 d5 15.Be7 Qe7 16.e5 Ne4 17.Qb1 Nd2 18.Rd2 Nc4 19.Ra2 g6 20.Kh2 f6 21.ef6 Qf6 22.g4 (better is 22.Bc4!? dc4 23.Qb4=) 22...0-0-/+ 23.Ng3 Rf7 24.Re2 Raf8 25.Qe1 Bd7 26.Bc4 dc4 27.Ne4 Qe7 28.Qg3 Bc6 29.Ng5 Qg5!? 30.fg5 Rf1 31.Qe3?? (better is 31.Qd6 Bd5 32.Re3=) 31...Rh1-+ 32.Kg3 Rf3 33.Qf3 Bf3 34.Kf3 Rh3 35.Kf4 Rc3 36.Ke5 Kf7 37.Kd6 Rd3 38.Re4 c3 39.Kd7 e5! 40.Kc6 Rd4 41.Re3 Rc4 42.Kd7 e4 43.Rh3 Kg7 44.Rh1 c2 45.Ra1 c1Q 46.Ra7 Rc7! (46...Rc7 47.Rc7 Qc7 48.Kc7 e3-+) 0–1. Frink,Ferenc (2170) – Eng,Andre Jerome (1985), Balatonlelle op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Ne2 Nbd7 9.0-0 b6 10.f4 e5 11.Nd2 Bb7 12.Ba3 Ng4 13.Qb3 0-0 14.Nc4 ed4 15.cd4 (15.Bd6? Bd6 16.cd4 Nc5-+; worse is 15.Nd4 Nc5 16.Qd1 Nf6-/+) 15...d5 16.Nd6 Bd6 17.Bd6 Ne3 18.Bf8 Nf1 19.Bb4 (worse is 19.Rf1 A) worse is 19...Nf8 20.e5+=; B) 19...Qf8?! 20.e5= (worse is 20.ed5 Nf6-/+); C) 19...de4 20.Be4 Be4-/+) 19...Ne3 (worse is 19...de4 20.Bc4 a5 21.Bf7 (21.Rf1?! ab4 22.Bf7 Kh8=) 21...Kh8 22.Be1+/- (22.Rf1?! ab4 23.Qb4 Qf6=)) 20.e5 Qh4 21.Be1 Qg4 22.Bh7 Kh7 23.Qe3 a5 24.h3 Qe6 25.g4 Rc8 26.f5 Qe7 27.Bd2 Ba6 28.Ng3 f6 (better is 28...Re8!?=) 29.e6+/- Nb8 30.h4 Rc4 31.g5 Nc6 32.Qf3 Kg8 33.g6 Kf8 34.Qh5 Ke8 35.Qh7 Rd4 36.Qg8 Qf8 37.Qf7 Qf7 38.ef7 Kf8 39.Re1 Ne5 40.Re5?? fe5-+ 41.Bg5 Rg4 42.Bd8 Rg3 43.Kf2 Rc3 44.h5 Bd3 45.h6 gh6 46.Bb6 Bf5 47.Ba5 Rc2 (47...Rc2 48.Ke1 Bg6-+) 0–1. Frink,Ferenc (2245) – Czegledi,Laszlo (2210), HUN–chT2 Erkel, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Ne2 Nbd7 9.f4 0-0 10.0-0 e5 11.Ng3 Re8 12.Na3 Bf8 13.Nc4 Nb6 14.fe5 de5 15.Ne5 Re5 16.Rf6 (better is 16.de5 Bc5 17.Kh1=) 16...Qf6-+ (16...gf6?! 17.de5 fe5 18.Be3+=) 17.de5 Qe5 18.Be3 Bc5 19.Qe1 Be6 20.Bc5 Qc5 21.Kh1 Nc4 22.Bc4 Bc4 23.Nf5 Qe5 24.Rd1 Be6 25.Nd4 Re8 26.Nf3 Qf4 27.e5 Qc4 28.Rd4 Qc7 29.h3 h6 30.Qd2 Rc8 31.Qd3 a6 32.Rd6 Qc4 33.Qc2 a5 34.Rd4 Qb3 35.Qd3 Qb6 36.Rd6 Qc5 37.Nd4 Qe5 38.Ne6 fe6 39.c4 a4 40.Rd7 Ra8 41.Qa3 b5 42.cb5-/+ Qb5 43.Rd4? Qb3-+ 44.Qe7 Qe3 45.Ra4 Ra4 46.Qe8 Kh7 47.Qa4 e5 48.Qd7 Qf4 49.Qd6 Qf1 50.Kh2 Qf5 51.Qd5 h5 52.Kg1 Qf4 53.Qd1 Qd4 54.Qd4 ed4 55.Kf2 Kg6 56.Ke2 Kf5 57.Kd3 Kf4 58.g4 hg4 59.hg4 Kg4 60.Kd4 Kf3 0–1. Hrabinska,Myroslava (2360) – Stubberud,Ornulf A (2090), Calvi Balagne op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Ne2 e5 9.0-0 Nbd7 10.f4 Qc7 11.Ba3 Nb6 12.Nd2 Ng4 13.Rf3 0-0 14.h3 Nh6 15.f5 d5 16.Qb3 Rd8 17.ed5 Nd5 18.c4 Nf4 19.g4? (better is 19.Nf4 ef4 20.Be7 Qe7 21.d5 Bf5 22.Bf5 Nf5 23.Rf4-/+) 19...Ne2-+ 20.Be2 Bf6 (better is 20...Ba3 21.Qa3 Qb6-+) 21.Ne4-/+ ed4 22.g5 (better is 22.Nf6!? gf6 23.Rd3+=) 22...Be5-+ 23.gh6 d3 24.Re1 de2 25.Re2 b6 (25...gh6 26.Bb2 Qe7 27.Rg3 Kh8 28.Qb4 Bb2 29.Qe7 Bd4 30.Kf1 Bf5 31.Nd6 (31.Qf7?! Rf8 32.Qc7 Rac8+/-) 31...Bh3 32.Ke1 Bf2 33.Kf2 Rd6 34.Qe8 Re8 35.Re8) 26.Rg2? (better is 26.Bb2!? Bb7 27.hg7 Bd4 28.Kf1-/+) 26...Bb7 27.Rg7?? (27.Rg4 Bd4 28.Kh1 Qc6-+) 27...Kh8 (better is 27...Bg7 28.Rg3 Be4 29.Rg7 Kh8-+) 28.Rg4 Rd4 29.Re3 Rad8 30.Bb2 Rd1 31.Kf2 Be4?? 32.Rge4+/- R1d2 33.Kf3 f6 34.Re5 Qf7+= 35.Kf4 Qh5?? 36.Re8! Re8 37.Re8 Qe8 38.Bf6 Kg8 39.Qg3 Kf7 40.Qg7 1–0. Leeners,Henk JM – Jochumsen,C, corr, 1974. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Be3 Nbd7 9.h3 b6 10.Ne2 Bb7 11.Nd2 e5 12.f4-/+ 0-0 13.0-0=+ Re8 14.Qb3 Bf8 15.fe5= de5 16.Bc4 Qe7 17.Ng3 g6 18.Rf3 h6 19.h4 b5 20.Bb5 Reb8= 21.Bd7 Be4? 22.Nge4+- Rb3?? 23.Nf6 Kh8 24.Nb3 Bg7 25.Bc6 Rc8 26.d5 Bf6 27.Ra7 Qd6 28.Bc5 Qb8 29.Rb7 Qa8 30.Rf6 Qa2 31.Rff7 (31.Rff7 Qb1 32.Kh2+-) 1–0. Braeunlin,Herbert – Mueller, Wuerttemberg–ch, 1981.

    8.Nf3 b6 9.0-0 Bb7 10.Qc2 h6 11.c4 Nc6 12.Bd2 e5 13.Bc3 ed4 14.Nd4 Ne5 15.Nd2 0-0 16.f4 Nd3 17.Qd3 g6 18.e5 de5 19.fe5 Ng4 20.Qg3 (20.Rae1 Qc7=) 20...h5 21.N2f3 (21.Rad1 Bh4 22.Qh3 Qg5-/+ (22...Ne5?! 23.Nf5=)) 21...Bf3 22.Rf3 Bc5 23.Rd3 Qc7 24.h3 Nh6 (better is 24...Ne5!? 25.Re3 f6-+) 25.Rf1+= Kh7 26.Kh1 Bd4 27.Rd4 (worse is 27.Bd4 Qc4 28.Bb2 Rfd8-/+) 27...Rad8 28.Rdf4 Qd7 29.Qg5 Rfe8 30.Rf6 Re6 31.Re6 fe6 32.Rf6 Rg8 33.Bd2 Nf5?? (better is 33...Qg7+=) 34.Rf5!+- (34.Rf5 Kh8 35.Rf6+-) 1–0. Dunne,Paul (1875) – Sen,Subin (2060), Southend op–A, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 b6)

    8.Nf3 b6 9.0-0 Bb7 10.Qe2 Nc6 11.h3 Na5 12.Bb5 Nd7 13.Ba3 0-0 14.Nbd2 d5 15.Be7 Qe7 16.e5 Rfc8 17.Rfc1 Rc7 18.Bd3 Rac8 19.Qe3 h6 20.Nh2 Nf8 (20...Rc3?! 21.Rc3 Rc3 22.Bh7 Kh7 23.Qc3=) 21.Ng4 Ng6 22.Bb1 Ba6 23.g3 (23.Bg6 fg6 24.Qg3 Qg5-/+) 23...Kf8 24.f4 Qd7 25.Nf2 Ne7 26.g4 Rc6 27.Qf3 Ke8 28.f5 Ng8 (28...Qc7 29.Nd1-/+) 29.Nd1 Qd8 30.Bc2 Kd7 (better is 30...Qg5!? 31.Qf2 Bb5+=) 31.Rcb1= Rb8 (31...Ke7 32.Nb3=) 32.Rb2 (32.fe6 fe6 33.Qf7 Ne7+/-) 32...Rc7+= 33.fe6 Ke6 34.Ne3 g6?? (better is 34...Bb7+=) 35.Ra5!+- ba5 36.Rb8 Qb8 37.Qd5 Ke7 38.Qd6 Ke8 39.Ba4 (39.Qa6?! Rc3 40.Qe2 Qb4+-) 39...Bb5 40.Bb5 Qb5 41.Qc7 (41.Qc7 Qb6 42.Qc8 Qd8 43.Qb7+-) 1–0. Procop,Egor (2060) – Hristov,Hristo Mitov (1915), Budva MNE, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 b6)

    8.Nf3 b6 9.Qe2 Qc7 10.Bd2 Bb7 11.Na3 a6 12.0-0 Nc6 13.Rfb1 h6 14.c4 e5 15.d5 Nb8 16.Be3 Nbd7 17.Qb2 Bd8 18.Nc2 Ng4 19.Bc1 Nc5 20.Qc3 Nf6 21.Nd2 0-0 22.f3 Nfd7 23.Ne3 Bg5 24.Ndf1 Nd3 25.Qd3 Nc5 26.Qe2 Bc8 27.Ng3 g6 28.Qc2 Kg7 29.h3 Rb8 30.Ng4 Qe7 31.Ba3 h5 32.Bc5 0–1. Faika,M (2115) – Meertens,Mart (2155), St Pauli Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Nf3 Qc7 9.0-0 e5 10.h3 Nbd7 11.Qb3 0-0 12.Na3 d5 13.Nb5 Qb6 (13...Qd8 14.ed5 e4=) 14.de5 (14.ed5 ed4 15.cd4 a5+=) 14...Nc5 (14...de4 15.ef6 Nf6 16.Re1-/+) 15.Qb1 (15.Be3!? Nb3 16.Bb6=) 15...Nfe4 16.Be3 Bh3?? (better is 16...Bd7 17.c4 dc4 18.Be4 Qb5 19.Bh7 Kh8 20.Bc5 Bc5+=) 17.gh3+/- Qg6 18.Kh2 Nd3 19.Qd3 Ng3? (19...Ng5 A) 20.Qd5?! Qe6 21.Qe6 A1) 21...Ne6?? 22.Ba7 f6 23.Nfd4 Nd4 24.cd4+- (24.Nd4?! fe5 25.Nb5 e4+-; 24.Bd4?! Ra1 25.Ra1 fe5 26.Be5 Rf2 27.Kg3 Rf5+-); A2) 21...Nf3 22.Kg3 fe6+=; B) 20.Qd1 Nf3 21.Qf3+-) 20.Qg6?? (better is 20.Rfd1 Qd3 21.Rd3+-) 20...Nf1+/- (20...fg6?? 21.fg3 a5 22.Nc7+-) 21.Rf1 hg6 22.Ba7 Rfc8 23.Bd4 Bc5 24.Kg3 Bd4 25.Nfd4 Ra6 26.Rb1 Rc5 27.h4 Rb6 28.Kf4 Kh7 29.Rb3 Kg8 30.Ke3 Kf8 31.Kd3 Ke7 32.Kc2 Kd7 33.f4 Ke7 34.Kb2 Rc4 35.Ka2 Ra4 36.Kb2 Rc4 37.Kc2 Ra4?? 38.Rb1 Ra2+/- 39.Kd3 Rh2 40.Nf3 Rf2 41.Ke3 Ra2 42.Nfd4 Rh2 43.Nf3 Ra2 44.Rb3 Ra4 45.Nfd4 Ra1 46.Nc7+- Rb3 47.Nd5 Kd7 48.Nb3 Rh1 49.Nd2 Rh4 50.Ne4 ½–½. Estevez,Eric (1910) – Stoven,Gilles Noel (2040), Majeur–chT, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Nf3 Qc7 9.Na3?? Qc3-+ 10.Qd2 Qd2 (better is 10...Qa1 11.Bb1 Ne4 12.Be4 d5-+) 11.Bd2-/+ Bd7 12.Nc4 d5 13.Nb6 de4 14.Na8 0-0 15.Ra7 ef3 16.gf3 Nc6 17.Ra2 Nd4 18.Bc3 Nf3 19.Ke2 Bc6 20.Rb1 Nd5 21.Rc1 (21.Ba1 Nf4 22.Ke3 Bg5-+) 21...Nf4 (better is 21...Bg5 22.Rcc2 Nf4 23.Kf1 Nd3 24.Nc7-+) 22.Ke3 Bg5 23.Be4 Nd5 24.Kf3 Bc1 25.Ra1 Bg5 26.Bd5 Bd5 27.Kg4 Be7 28.Nb6 f5 29.Kg3 Bc6 30.Nc4 g5 31.f4 g4 32.h3 h5 33.hg4 fg4 34.Ne5 Bf6 35.Rc1 Kg7 36.Nc6 bc6 37.Bf6 Kf6 38.Rc6 Rd8 39.Rc3 Rd5 40.Re3 Kf5 41.Kh4 Kf6 42.Ra3?? Rf5 43.Ra4 Kg6 44.Re4 Kf6 45.Ra4 Rd5 46.Ra3 Rd4 47.Kh5 Rf4 48.Kh4 Kf5 49.Kg3 e5 50.Rb3 Rd4 51.Ra3 Rd5 52.Rb3 e4 53.Rb8 Rd3 54.Kg2 Rf3 55.Rf8 Ke5 56.Re8 Kf4 57.Rf8 Ke3 58.Rg8 g3! 59.Ra8 Kd4 60.Rd8 Kc3 61.Rc8 Kd2 62.Re8 Re3 63.Ra8 Rc3 64.Re8 Re3 65.Ra8 Rd3 66.Re8 Ke3 67.Kg3 Ke2 68.Kg2 e3 69.Ra8 Ke1 70.Ra1 Rd1 71.Ra3 e2 72.Ra2 Rc1 73.Ra8 Rc4 74.Kf3 Kf1 (74...Kf1 75.Rh8 Rc3 76.Kg4 Re3 77.Rh1 Kg2-+) 0–1. Koren,Jaroslav (2065) – Jelen,Peter Jr (1950), SVK–chT2C, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Nf3 Nbd7 9.0-0 0-0 10.Bf4 Qc7 11.Re1 (11.Na3 Qc6 (worse 11...Qc3 12.Nb5 Qc6 13.Na7+-) 12.Nb5 a6 (worse 12...Ne4 13.Na7 Ra7 14.Ra7+-) 13.Nd6 Bd6 14.Bd6 Qd6=) 11...e5 12.Bg5 (12.Bg3 Nh5=+) 12...a6 13.Na3 (13.Nbd2 h6 (worse 13...Qc3 14.Nc4 ed4 15.Qb1+=) 14.Bh4 Rb8=+) 13...Rb8 (13...h6 14.Bd2=+) 14.Bh4 (14.Qb3 b5=+) 14...b5 15.Qb3 (15.Nc2 Bb7=+) 15...Bb7-/+ 16.Rac1 Qb6 (better 16...h6-/+) 17.g4? (17.Nc2!?-/+) 17...h6 (17...d5 18.Bf6 Qf6 19.Ne5 Ne5 20.de5-+) 18.h3 (18.c4 ed4 19.cb5 ab5 20.Qb5 Qd8 21.Nd4 Ng4 22.Be7 Qe7-+) 18...Ba8 (18...d5 19.Bf6 Nf6-+ (worse 19...Qf6 20.Ne5 Ne5 21.de5-+; 19...Bf6?! 20.Nc2-/+; 19...gf6?! 20.Nh4-/+)) 19.Bg3 (19.Nb1 Bc6-/+) 19...Qc7 (19...Rbc8 20.Nc2-/+ (20.de5?? de5 21.Ne5 Nc5-+)) 20.Qa2 (20.Nc2 Bb7-/+) 20...Qa5-+ 21.d5 (21.Rc2!?-+) 21...Nc5 22.Bb1 Na4 (22...Bb7 23.Re3-+) 23.Qd2? (better 23.Nc2 Rfc8 24.Ne3-+) 23...Nc5 24.Bc2?? (24.Qa2 Rfc8 25.Qb2-+) 24...Nce4 25.Be4 Ne4 26.Re4 Qa3 27.Rb4 (27.Re3 Qc5-+) 27...a5 28.Rbb1 Qc5 29.Nh4 (29.Rd1-+) 29...Bg5 30.Qd3 (30.Qe2 Bc1 31.Rc1 Qd5-+) 30...Bc1 31.Rc1 Qc4 (better 31...b4 32.Nf5 b3 33.Kf1-+) 32.Qf5 (32.Qc4 bc4 33.Nf5-+) 32...Qd5 33.f3 Qe6 (33...Rfc8 34.Be1-+) 34.Qh5 (34.Qd3 g6-+) 34...Qf6 (34...a4!? 35.Nf5-+) 35.Nf5 (35.Qf5 Qg5 36.Qg5 hg5-+) 35...Qg5 (better 35...Bf3 36.Bh4 Qe6 37.Ne7 Kh7 38.Qf5 Qf5 39.Nf5-+ (39.gf5?? g5 40.Be1 Kg7-+)) 36.Qg5 hg5 37.h4 (37.Nd6 f6 38.Bf2 Bf3-+) 37...f6 (37...Bf3 38.Kf2 Bg4 39.Ne7 Kh7 40.hg5-+) 38.hg5 fg5 (38...Bf3 39.gf6 Rf6 40.Nd6-+) 39.Nd6 (39.c4 b4 40.Nd6 b3 41.Be5 Rf3-+) 39...Bf3 (better 39...Rf3 40.Be5 Rbf8 41.Re1-+) 40.Be5 Bg4 41.Kh2 (41.Re1 Rb6 42.c4 b4-+) 41...Rb6 (41...Rf3 42.Rb1-+) 42.Rg1 (42.c4 bc4 43.Rc4 Bd7-+) 42...Rf6! 43.Ne4 (43.Bf6 Rd6 Deflection (43...gf6 Passed pawn)) 43...Rh6 44.Kg3 (44.Kg2 Rbe6 45.Nf2 Re5 46.Ng4 Re2 47.Kf3 Rc2 48.Nh6 gh6-+) 44...Rbe6 45.Nf2 Bf5 (45...Re5 46.Ng4 Rc5 47.Nh6 gh6 48.Rh1 Rc3 49.Kg4-+) 46.Bd4 b4 47.cb4 ab4 (47...Rh4 48.Rd1 Rd6 49.Be5 Rd1 50.Nd1 ab4 51.Kf2-+) 48.Rc1 (48.Kf3 Reg6-+) 48...Rc6 49.Ra1 (49.Re1 Rhe6 50.Rg1 b3-+) 49...Rc4 (49...Rhd6 50.Be5 Rd5 51.Bb2-+) 50.Ra8 (50.Be5 Re6 51.Ra5 b3-+) 50...Kh7 51.Bb2 (51.Be5 Re6 52.Ra5 b3-+) 51...Rb6 (better 51...Re6 52.Ra5 Re3 53.Kg2-+) 52.Ra7 Rc3! 53.Bc3 bc3 54.Rc7 c2 55.Ng4 Rb1 (better 55...Rb3 56.Kf2 Bg4 57.Rc2 Bf5-+) 56.Nf6 (56.Ne3-+) 56...Kg6 57.Ne8 (57.Nd5 c1R 58.Rc1 Rc1-+) 57...c1Q 58.Rg7 Kh6 59.Nd6 (59.Rh7 Bh7 60.Kg2 Qg1 61.Kf3 Re1 62.Nd6 Re3) Qf4 (59...Qf4 60.Kg2 Rb2 61.Kg1 Qc1) 0–1. Mihciyazgan,Can – Topcu,Tibet Tuna, Istanbul Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Nf3 Nbd7 9.Nbd2 b6 10.0-0 0-0 11.Re1 e5 12.Ba3 Re8 13.Qb3 h6 14.Nh4 Nf8 15.Nf5 Ng6 16.g3 Qc7 17.Nc4 Will d6 fall? 17...Rd8 18.Nce3 Bb7 19.d5 Bf8 20.c4 Bc8 21.Bb4 Ne7 22.Ra2 Nf5 23.Nf5 g6 24.Ne3 Ng4 25.Bd2 Rb8 0–1. Startsev,Vladimir (2245) – Okun,Evgeny (2005), Voronezh op–B, 2007. (=1.Nf3 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.e4 d6 7.d4 Nf6 8.Bd3 Nbd7)

    8.Nf3 Nbd7 9.Nbd2 Qc7 10.Qc2 0-0 (10...e5 11.0-0 (11.Ba3 0-0 12.Qb3 Nh5 13.0-0+=) 11...0-0 12.Nc4 ed4 13.cd4=; 10...Nh5 11.0-0 (11.Ba3 Nf4 12.0-0 f6 13.Rfb1=) 11...Nf4 12.Ba3 f6 13.Rfb1=) 11.Ba3 (11.0-0 e5 12.Nc4 ed4 13.cd4=) 11...Re8 (11...e5 12.0-0 Nb6 13.c4=) 12.0-0 e5 13.Rfc1 (13.Qb3=) 13...b6 14.Nf1 (14.Qb3 Nf8+=) 14...Bb7 15.Ne3 g6 16.Ng5 (16.c4!?+=) 16...h6-/+ 17.Nf3 a6 (17...d5!? 18.Ne5 Ne5 19.de5 Ba3 20.Ra3 Re5 21.ed5 Nd5 22.Nd5 Bd5-/+) 18.Qb1 a5 19.Nd2 (19.c4 Qd8=) 19...Nh5 20.Nd5 (20.Bb5!?+=) 20...Bd5-/+ 21.ed5 Nf4 22.Bf1 Nd5 23.c4 Nf4 24.g3 Ne6 25.Bd3 (25.Bg2 Ra7-+) 25...Kg7 (25...Nd4 26.Bb2-+) 26.Nf3 Nd4 27.Be4? (27.Nd4 ed4 28.Be4 Ra7-+) 27...Rac8 (better is 27...Ne2 28.Kg2 Nc1 29.Ba8 Qc4-+) 28.Qb5?? (28.Nd4 ed4 29.Bb2-+) 28...Nb5 29.cb5 Nc5 0–1. Borkowski,Helmut (1785) – Smal,Tobiasz, IX Mistrz. Powiatu Gryfickiego Poland, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Nf3 h6 9.0-0 Nc6 10.Na3 a6 11.h3 Bd7 12.Re1 e5 13.d5 Na7 14.Be3 Qc7 15.Qb3 Nc8 16.Reb1 Rb8 17.Ba6 Ne4 18.Nb5 (18.Bb7 f5 19.Ra2 f4-+ (19...Nc3?! 20.Rc2 Qb7 21.Qb7 Rb7 22.Rb7 Nd5 23.Nb5+=)) 18...Qd8 19.Na7 0-0 20.Bb7 Qc7 21.Nc6 Bc6 22.dc6 Nc5 23.Bc5 dc5 24.Qd5 Bd6 25.Rd1 Rd8 26.Rab1 Ne7 27.Qe4 g6 28.Nd2 f5 29.Qa4 e4 30.Nc4 Kg7 31.Nd6 Rd6 32.Rd6 Qd6 33.Rd1 Qe5 34.Qc4 Kf6? 35.Rd7+- Nc6 36.Rf7 Kg5 37.h4! Kh4 38.g3 Kh3 39.Qf1 Kg4 40.Bc6 Qc3 41.Bb5?? Ra8?? 42.Be2 Kg5 43.Qh3 Qc1 44.Kg2 h5 45.Bh5! (45.Bh5 Qf1 46.Kf1 Ra1 47.Bd1 Rd1 48.Kg2 Rh1 49.Qh1 e3 50.Qh4) 1–0. Fusari,Paolo (1895) – Laco,Giuseppe (2135), Trieste op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 b6 9.e5 Nd5 10.Nf3 0-0 11.Qc2 h6 12.0-0 Nc6 13.Qe2 Bb7 14.Qe4 f5 (better is 14...g6!?+=) 15.ef6+= Rf6 16.g4 Nc7? (16...Kf8 17.g5 Rf5 18.Qe6 Bc8+-) 17.Qh7+- Kf7 18.g5 Qg8 19.Qg8 (19.Qg8 Rg8 20.gf6 gf6 21.Kf2+-) 1–0. Vlasveld,W Martin (2405) – Isigkeit,Hans Juergen (2220), ICCF World Cup10 sf, 1998. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 b6 9.Nf3 Bb7 10.Qe2 Nbd7 11.0-0 d5 12.e5 Ne4 13.c4 f5 14.Be4 (better is 14.Bb2!?=) 14...de4-/+ (14...fe4?! 15.Ng5 Nf8 16.Be3=) 15.Ng5 Bg5 16.fg5? (better is 16.Qh5 g6 17.Qg5 Qg5 18.fg5-/+) 16...Ne5!-+ 17.Be3 (17.de5 Qd4 Double attack) 17...Ng4 18.Ra3 g6 19.h4? (19.g3-+) 19...Qd6 20.Rf4 Ne3 21.Qe3 a5 (21...0-0-0!? 22.Ra7 Qd4 23.Ra3-+) 22.Rf2 Rd8 23.d5 ed5 24.Qd4 (24.Rb2 d4 25.Qb3 Bc6 26.Qb6 e3-+) 24...Rf8 (24...0-0!? 25.cd5 Bd5 26.Rb2-+) 25.Rd2 (25.cd5 Bd5 26.Rb2 Qf4-+) 25...Qc5 (better is 25...Qb4 26.Ra1 Kf7-+) 26.Qc5 bc5 27.cd5 Kd7 (27...Rd5!? 28.Rd5 Bd5 29.Nc3-+) 28.Ra5-/+ Kd6 29.Nc3 Ra8 30.Rb5 Ba6 31.Rb6 Kd7 (31...Ke5 32.Re6 Kf4 33.Kf2-+) 32.Rdb2 (32.Na4 Kd8+=) 32...Rfc8 (better is 32...Bc4!?-/+) 33.Rf6= Rf8 34.Na4 (34.Rfb6!?=) 34...Rf6-/+ 35.gf6 Kd6 36.Rb6? (better is 36.f7 c4 37.Kh2-/+) 36...Kd5-+ 37.f7 Bc4 38.Rf6 Rf8 39.Nb6 Kd4 40.Nc4 (40.Rd6 Kc3 41.Nc4 Kc4-+) 40...Kc4 41.h5 (41.Kf2 Kd5 42.Ke3 c4-+) 41...Kd3 42.hg6 hg6 43.Kf2 c4 (43...Kd4!? 44.Rd6 Ke5 45.Rd7-+) 44.Rd6 Kc2 45.Rf6 c3 46.Ke2? (46.Ke3-+) 46...Kc1 47.Ke3 c2 48.g3 Kb2 (better is 48...Kd1!? 49.Rd6 Ke1 50.Rc6 Rf7 51.Rc2-+) 49.Rb6 Kc3 50.Rc6 Kb3 51.Rb6 Kc4 52.Rc6 Kd5 53.Rc2 Rf7 54.Ra2 (54.Rc8-+) 54...g5 (better is 54...Rb7 55.Rd2 Ke5-+) 55.Ra5+= Ke6 56.g4 f4 57.Ke4 Kf6 58.Ra6 Kg7 59.Kf3 Rf6 60.Ra8 Re6 61.Ra3 Kf6 62.Kf2 Rd6 63.Ra2 Rd3 64.Ra6 Ke5 65.Rg6 f3 66.Rg5 Kf4 67.Rf5 Kg4 68.Rf8 Rd2 69.Kf1 ½–½. Nahnsen,Kenneth (1960) – Weidmann,Kevin (1850), VMCG Open A, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 Qc7 9.Ne2 a6 10.0-0 Nc6 11.e5 Nd5 12.Rf3 Bd7 13.Ba3 de5 14.fe5 b5 15.Be7 Nce7 16.Qc1 h6 17.Nd2 f5 18.Nb3 a5 19.Nc5 0-0 (19...Ng6!? 20.Qa3 0-0+=) 20.Rg3+= Kf7 21.Bb5 Bb5 22.Rg7 Ke8 23.c4 Bc4 24.Qc4 Qc6 25.Qa4 Qa4 26.Ra4 (26.Na4?! Rf7 27.Rg3 Rh7+=) 26...Rg8 (26...Rf7 27.Rg3+/-) 27.Rg8 Ng8 28.Nb7 (better is 28.Ne6!? Nge7 29.N2f4+-) 28...Ra7+/- 29.Na5 Nge7 30.Ra3 Nc6 31.Nc4 Ra3 32.Na3 Kf7 33.Nb5 Kg6 34.Kf2 Kg5 35.Kf3 Nce7 36.g3 Kg6 37.Nbc3 Nb4 38.Nf4 Kf7 39.Nb5 Ned5 40.Nd6 Ke7 41.Nd5 Nd5 42.g4 fg4 43.Kg4 Kf8 44.Kh5 Kg7 45.Ne8 Kf7 46.Nf6 Nf4 47.Kh6 Ne2 48.Ne4 Nd4 49.Ng5 Ke7 50.Kg6 Ne2 51.Nh3 Nd4 52.Ng1 Nf5 53.Nf3 Ne3 54.h4 Ng2 55.Kg5 Kf7 56.h5 Ne3 57.Kh6 Ng4? (57...Kg8+-) 58.Kh7 Kf8 (58...Nf2 59.Ng5 Kf8 60.Ne6 Kf7 61.Nf4+-) 59.h6 (59.h6 Kf7 60.Ng5 Ke7 61.Kg6+-) 1–0. Berry,Jonathan – Gaulin,Gaetan, corr CCCA K–36, 1979. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Qc7)

    8.f4 Qc7 9.Nf3 b6 10.0-0 Bb7 (10...a5 11.Qa4 Bd7 12.Qa2+=) 11.e5 Ne4 (11...Nfd7 12.c4+=) 12.Qe1 d5 13.Be4 de4 14.Nfd2 Qc6 15.Qg3 0-0 16.Re1 Kh8 (16...Qc7 17.Ne4 Qd8 18.Qf3=) 17.Ne4 (17.Ba3 Ba3 18.Na3 f5 19.ef6 Rf6 20.Ne4 Rg6=) 17...Nd7 (17...Qb5 18.Qf3=) 18.Ba3+= Ba3 19.Na3 (19.Ra3 a5=) 19...f5 (19...f6!?=) 20.Nd6+/- Ba6 (20...a6 21.Kh1+/-) 21.c4 g6 (21...Bb7 22.Nab5 (22.Nb7?! Qb7 23.Nb5 a5+/-) 22...a6 23.Nc3+/-) 22.Qc3 (22.Qh4 Nf6 23.Nc2 Bc4 24.Nc4 Qc4 25.ef6 Qc2 26.Re6 Rf7+/-) 22...Bb7? (22...Rfb8 23.d5 Qc5 24.Re3+-) 23.Nb7?? (better is 23.d5 ed5 24.Nb7 Qb7 25.e6 Kg8 26.ed7 Qd7 27.Rad1+-) 23...Qb7+/- 24.Nb5 a6 (24...a5 25.Nd6 Qa7 26.Qf3+/-) 25.Nd6 Qc7 (25...Qc6 26.d5 Qc5 27.Kf1+/-) 26.Qb2 (26.Re3 b5 27.d5 Nb6 28.de6 Nc4+-) 26...Nf6 (26...a5 27.Rf1+/-) 27.ef6 (better is 27.d5!? Nh5 28.Qf2+-) 27...Qd6 28.d5 (28.Kh1!? Rf6 29.c5 bc5 30.dc5+=) 28...ed5= 29.f7 d4 30.Rad1 (30.Re6! Qf4 31.Rf1+=) 30...Rad8-/+ 31.Re5 Qf6 32.Rd4+= ½–½. Bove,Alessandro (1815) – Lo Curto,Emanuele (2080), ITA–ch U20, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Qc7)

    8.f4 Qc7 9.Nf3 Nbd7 10.0-0 e5 11.Qb3 a6 (11...0-0!?=) 12.fe5 de5 13.Ng5 0-0 14.Bc4 ed4 15.cd4 Ng4 16.Bf7 Kh8 17.Bf4 Qb6 18.Qb6 Nb6 19.Bb3 Bg5 20.Bg5 Rf1 21.Kf1 Nh2 22.Kg1 Ng4 23.Bd8 Nd7 24.Nc3 Ndf6 25.e5 Bf5 26.Bf6 (26.Ba5 Nh5+=) 26...gf6= 27.Rf1 (27.e6!?=) 27...fe5 28.Rf5 ed4 29.Ne2 d3 30.Nf4 Rc8 31.Nd3 Rc3 32.Rf8 Kg7 33.Rg8 (33.Rf7!? Kh6 34.Bd1+-) 33...Kf6+= 34.Rg4 Rb3 35.Nc5 Rb5 36.Nd7 Kf7 37.Rf4 Ke7 38.Nf6 h5 39.Kf2 Re5 40.Ne4 b5 41.Ke3 Rd5 42.Rf6 a5+= 43.Ra6 b4 44.Nd2 Re5 45.Kf2 Rf5 46.Kg1 h4 47.Kh2 h3 48.Kh3 Rd5 49.Nc4 b3 50.Rb6 Rc5 51.Nb2 Rc3 52.g3 Kd7 53.Kh4 Kc7 54.Rb5 a4 55.Na4 Rc4 56.g4 Ra4 57.Rb3 Kd6 58.Re3 Ra7 59.g5 Re7 60.Re7 Ke7 61.Kh5 Kf8 62.Kh6 1–0. Wrinn,Steven J – Barry,Robert F, Friendly Game, 1985. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Qc7)

    7.f4 Qc7 9.Nf3 Nbd7 10.0-0 e5 11.Qb3 h6 12.Ba3 ef4 13.e5 (13.Nfd2 g5+=) 13...Ng4 14.Bc4 0-0 (14...Rf8!? 15.ed6 Bd6 16.Bf7 Rf7 17.Qe6 Be7 18.Qg4 Nf6+=) 15.Bf7= Kh8 (15...Kh7!?=) 16.ed6+/- Bd6 17.h3?? (better is 17.Bd6 Qd6 18.Nh4+=) 17...Ne3-/+ 18.Nh4 Nf1 19.Kf1? (19.Ng6 Kh7 20.Nf8 Nf8 21.Kf1 f3-/+) 19...g5?? (better is 19...Ba3 20.Na3 Ne5 21.de5 Qf7 (21...Rf7?! 22.Nb5 Qd7 23.Nd6+=) 22.Qf7 Rf7-+) 20.Ng6+= Kg7 21.Nf8 Nf8 22.Bd6 Qf7 23.c4 Bf5 24.Nd2 b6 25.Nf3 Ng6 26.d5 Qf6-+ 27.Qa3 Bd3! 28.Kg1 Bc4 29.Bb4 Kh7 30.Rd1 a5 31.Bc3 Qf8 32.d6 Be2 33.Rd5 Rd8 34.Ne5 f3 35.gf3 Nf4 36.Rd2 Nh3 37.Kg2 g4! 38.Re2 Nf4 39.Kf1 Ne2 40.Qb2? Ng3 41.Kg2 Nf5 42.Qc2 gf3 43.Kf3 Rd6 44.Kf4 Qf6 45.Nf3 Qg6 46.Be5 Ne7 47.Qc7 Qf7 (47...Qf7 48.Ke3 Nd5 49.Ke4 Qc7 50.Bd6 Qd6-+) 0–1. Wrinn,Steven J – Barry,Robert F, Friendly Game, 1985. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Qc7)

    8.f4 d5 9.e5 Ne4 10.Qc2 Bd7 11.Nd2 Nd2 12.Bd2 g6 13.Nf3 Nc6 14.h4 Qc7 15.0-0 (15.h5 Rg8+=) 15...Na5+= 16.Rfb1 Nc4 17.Qb3 (17.Bc4!? dc4 18.Bc1-/+) 17...b5-/+ 18.Ra6 Bh4! 19.Bc1 (19.Nh4 Nd2) 19...Bd8 20.Rba1 0-0 21.Bc4 dc4 22.Qa2 Be7 23.Ra7 Qa7 (23...Ra7!? 24.Qa7 Rc8-/+) 24.Qa7+= Ra7 25.Ra7 Rd8 26.Nd2 Kg7 27.Ne4 b4 (27...Bc6 28.Re7 Be4 29.Ra7+=) 28.cb4= Bb4 29.Nd6? (29.Ba3!? Ba3 30.Ra3=) 29...c3 (29...Bd6 30.ed6 Bb5 31.Ba3-/+) 30.f5 gf5 31.Bg5 c2 32.Rc7 Bd6 33.Rc2 (33.ed6!? Rc8 34.Kf2+=) 33...Be5!-/+ 34.de5 Ra8 35.Bf6 Kg6 36.Rc3 f4 (36...h5 37.Kh2-/+) 37.Kf2 (37.g3 Ra1 38.Kf2 Ra4-/+) 37...Kf5 38.Kf3 Ra6 39.g4 fg3! 40.Kg3 Bc6 41.Rc4 Ra3 42.Kf2 Be4 43.Rc7 Kg6 44.Rc4 Rf3 45.Ke2 Rf6 46.ef6 Bf5 47.Ke3 Kf6 48.Rc7 e5 49.Kf3 Bg6 50.Kg4 h5 51.Kh4 Kf5 52.Kg3 Kg5 53.Rc5 f6 54.Ra5 Be4 55.Ra7 h4 56.Kf2 Bg6 57.Ra5 Bh5 58.Ra7 f5 59.Rg7 Bg6 60.Rg8 f4 61.Kg2 e4 0–1. Hamann,Carsten – Luckow,Rolf, Schleswig Holstein–ch VM, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 d5 9.e5 Ne4 10.Qc2 Bd7 11.Nd2 Nd2 12.Bd2 Bh4 13.g3 Be7 14.Ne2 Nc6 15.0-0 Rc8 16.Qd1 g6 17.g4 b6 18.f5 gf5 19.gf5 ef5 20.Bf5 Bf5 21.Rf5 Rg8 22.Kh1 Qd7 23.Qf1 Nd8 24.Ng3 Rc6 25.Qf3 Rcg6 26.Rh5 Bg5?? (better is 26...Ne6+=) 27.Bg5+- Rg5 28.Rh7 Qe6 29.Rh5 (29.Ra7 Qg6 30.Rh4 Qb1 31.Kg2 Qc2 32.Kf1 Qc1 33.Kf2 Qd2 34.Qe2 Qc3 35.Qb5 Nc6 36.Ra8 Ke7 37.Rg8 Rg8 38.Qd5 Qc2 39.Ne2 Rg6+-) 29...Qg4 30.Qg4 Rg4 31.Ra7 Ne6 32.Rf5 Nf4 (32...Nd8+-) 33.Ra8 (worse is 33.Rff7 R8g6 34.Rfb7 Ne6 35.Rb8 Nd8+-) 33...Ke7 34.Rg8 (34.Rg8 Rg8 35.Rf4+-) 1–0. Hamann,Carsten (2170) – Krumbke,Lars (2020), Schleswig Holstein–ch M, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 d5 9.e5 Ne4 10.Ne2 f5 11.ef6 Nf6 12.Ng3 0-0 13.0-0 Bd6 14.Ba3 Nc6 15.Nd2 a5 16.Bd6 Qd6 17.Nh5 b6 18.Nf6 Rf6 (18...gf6?! 19.Qg4 Kf7 20.Rfb1=) 19.Qh5 g6 20.Qg5 Qf8 21.Rf3 Ba6 22.Bb1 Ra7 23.Ba2 Raf7 24.Re1 Qd8 25.Qg3 Qd6 26.Qg4 Kg7 (26...Qa3 27.Bb1 Qb2 28.Nf1-+) 27.g3 Qa3 28.Bb1 Qb2 29.Nf1 Nd8 30.Rfe3 a4 31.Qd1 a3 32.Qd2 Qd2 33.Nd2 g5 34.f5 ef5 35.Ba2 Bb7 36.Re5 Rd7 37.Ra1 Nf7 38.Re3 f4 39.Rf3 fg3 40.hg3 (40.Rg3 Re7 41.Nf1-+) 40...Rf3 41.Nf3 Rc7 42.Rc1 b5 43.Rb1 Rc3 44.Rb5 Bc6 (44...Rf3?! 45.Rb7 Rg3 46.Kf2-+) 45.Rb3 Rc1 46.Ne1 Re1 47.Kf2 Rd1 48.Ra3 Rd4 49.Ra7 Ra4 50.Ra4 Ba4 51.Bd5 h6 52.Bf3 Kf6 53.Bh5 Nd6 54.Bf3 Ke5 55.Ke3 Nf5 56.Kf2 Bc2 57.Bg4 Be4 58.Bd1 Nd4 59.Ba4 Bc6 60.Bd1 Be8 61.Kg2 h5 62.Kf2 Nf5 63.Bc2 h4 64.gh4 Nh4 65.Kg3 Bh5 66.Ba4 Nf5 67.Kg2 Kf4 68.Bc6 g4 69.Bd7 Ne3 70.Kg1 g3 71.Bc6 Nf5 72.Bb5 Nd4 73.Bd7 Bg4 74.Ba4 Bh3 75.Bd1-+ Nf3 76.Bf3 Kf3 77.Kh1 Bd7 (77...Bd7 78.Kg1 g2 79.Kh2 Ba4 80.Kg1 Bd1 81.Kh2 Kf2 82.Kh3 g1Q 83.Kh4 Qg3; 77...Bf1 78.Kg1 g2 79.Kh2 Kf2 80.Kh3 g1Q 81.Kh4 Be2 82.Kh3 Qg3) 0–1. Chulivska,Vita (2175) – Breslavskaya,Galina (2175), UKR–ch U18 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 d5 9.e5 Ne4 10.Be4 (10.Qc2 f5=) 10...de4 11.Ne2 Bd7 (11...b5 12.Nd2+=) 12.0-0 Bb5 13.f5 ef5 14.Rf5 0-0 15.Ng3 Bd3 16.Be3 Qb6 (16...Qc8 17.Qg4 g6 18.Rf4+=) 17.Nd2= Qe6 18.c4 (18.Rf4 Bg5 19.Nde4 Bf4 20.Bf4 Be4 21.Ne4 f6+=) 18...Nd7+= 19.Qg4 Qg6 20.Qf4 Nb6 21.d5 h6 22.h4 Nc4 (22...h5!?=) 23.Nc4+/- Bc4 24.Qe4?? (better is 24.h5 Qh7 25.Qe4+/-) 24...Qg3-+ 25.Rf3 Qh4 26.Rf4 Qh5 27.g4?? (27.d6 Bg5 28.Qc4 Bf4 29.Qf4-+) 27...Qh3 28.Rf3 Bd5! 29.Qd5 Qg4 30.Kh2 Qh5 31.Kg2 Rad8 32.Qb7 Qe5 33.Ra7 Bf6 34.Qa6 Rb8 35.Bf4 Rb2 36.Kg1 Qe1 37.Qf1 Bd4 38.Kh1 Qf1 39.Rf1 Ba7 (39...Ba7 40.Rd1 Re8-+) 0–1. Frink,Ferenc (2200) – Flumbort,Andras (2355), HUN–ch op Zalakaros, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 d5 9.e5 Ne4 10.Nf3 Bd7 11.0-0 Bc6 12.Qc2 (12.Re1 a5+=) 12...Nd7 (12...a5 13.Nbd2 Nd2 14.Bd2+=) 13.Nbd2 Qc7 (13...Nd2 14.Bd2 Nf8 15.f5+=) 14.Ba3 (better is 14.Be4!? de4 15.Ne4+=) 14...Ba3 15.Ra3 Nd2 (15...Nb6 16.Raa1+= (16.Ne4? de4 17.Be4 Nc4-+)) 16.Qd2 (16.Nd2 Nb8+=) 16...h6 17.f5 ef5 18.Bf5 (18.Nh4 g6+=) 18...0-0 (better is 18...Nf8-/+) 19.Nh4? (19.Qe2 g6 20.Bd7 Qd7+=) 19...Bb5?? (better is 19...Ne5!? 20.Qf4 Qe7-+) 20.c4 (better is 20.Bd3 Bd3 21.Qd3+=) 20...Qc4?? (better is 20...Bc4 21.Rf4 Ne5 22.de5 Qe5-/+) 21.Rc1+/- Ne5 22.Rc4 (better is 22.Rg3 Qe2 23.Qe2 Be2 24.de5+/-) 22...Nc4-/+23.Qb4 Na3 24.Qa3 Rfe8 25.Qg3 (25.Bd3 Bd7+=) 25...a5= 26.Bb1? (26.Bc2 Bd7 27.Qd3-/+) 26...Rac8-+ 27.Bd3 Rc1 28.Kf2 Bd7 29.Nf3? a4 30.Ne5 Be6-/+ 31.Qe3 Rec8 32.h4? a3-+ 33.Ng6 a2 34.Ne7 Kf8 35.Nc8 a1Q 36.Nd6 Rh1 37.h5 Qg1 38.Kf3 Qe3 39.Ke3 b6 40.Be2 Rb1 41.Nb5 Ke7 42.Nc3 Rb2 43.g3 Kd6 44.Nb5 Kc6 45.Na7 Kb7 46.Nb5 Rb3 47.Kf4 Kc6 48.Na7 Kd6 49.Nb5 Ke7 50.Nc7 g5 51.hg6 fg6 52.Ne6 Ke6 53.Bg4 Kf6 54.Be2 h5 (54...h5 55.Bh5 gh5 56.g4 h4 57.g5 Kg6 58.Kg4 h3 59.Kf4 h2 60.Ke5 h1Q 61.Kd6 Qh7 62.Kc6 Qe7 63.Kd5 Qd7 64.Ke5 Re3 65.Kf4 Qd4) 0–1. Reinke,Markus (2200) – Bayer,Ernst Wolfgang (2260), Oberliga NRW , 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 d5)

    8.f4 Nbd7 9.e5 Nd5 10.Nf3 Qc7 11.Bd2 de5 12.fe5 Nf8 13.0-0 Ng6 14.Ng5 Bg5 15.Bg5 0-0 16.Qh5 (16.c4 Nb6+=) 16...Nc3 17.Rf3 Nd5 18.Rh3 h6 19.Bh6 gh6 20.Qh6 f5 21.ef6?? (better is 21.Qg6 Qg7 22.Qg3 Qg3 23.Rg3 Kh7 24.Nd2=) 21...Ndf4-+ 22.Nd2 Nh3 23.gh3 Rf6 24.Bg6 Qg7 25.Qg7 Kg7 26.Be4 a5 27.Ra3 Rf4 28.h4 Rh4 29.Rg3 Kf6 30.Kf2 Rh2 31.Ke3 a4 32.Nc4 (32.Nf3 Rb2 33.Rg6 Ke7-+) 32...a3 33.Rg6 Ke7 34.Ne5 (34.Rg7 Kf8 35.Rg1 Rh3 36.Ke2-+) 34...a2 35.Rg7 Kf8 (35...Kf8 36.Rf7 Ke8-+) 0–1. Capron,Daniel (2040) – Koelsch,Rene (2100), FRA–ch, 1979. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 Nbd7 9.Nf3 0-0 10.0-0 b6 11.e5 Ne8 12.Nbd2 (12.Ng5 Bg5 13.Qf3 Bb7 14.Qb7 Be7+=) 12...d5 (12...Bb7 13.Qc2 h6 14.Ba3=+) 13.f5 Qc7 14.Qc2 h6 15.f6 (better 15.c4!?=) 15...gf6-/+ 16.Nb3 fe5 17.Bh6 e4 18.Be4 (18.Bf8? ed3 (18...Bf8?! 19.Be4 de4 20.Qe4-+; 18...Kf8?! 19.Be4 de4 20.Qe4-/+; 18...Nf8?! 19.Be4 de4 20.Qe4-+) 19.Qd3 Kf8-+) 18...de4 19.Qe4 Nef6?? (better 19...Qb7 20.Qg4 Kh8=) 20.Qh4+- (20.Qa8?! Bb7 21.Qa7 Ra8 22.Qa8 Ba8 23.Ra8 Kh7+-) 20...Nh7 (20...Qc3?? 21.Qg5 Kh7 22.Qg7) 21.Qg4 Ng5 (21...Bg5 22.Ng5 Nhf6 23.Ne6 Ng4 24.Nc7 Nh6 25.Na8 a6+-) 22.Ng5 (22.Bg5?! f5 23.Qh5 Bg5 24.Qg6 Kh8 25.Ng5 Nf6 26.Qh6 Kg8+-; 22.Bf8 f5 23.Qh5 Nf3 24.Rf3 Kf8+-) 22...Kh8 (22...f5 23.Qh5 Qh2 24.Kh2 Rf6+-) 23.Bg7!! Kg8 (23...Kg7 24.Ne6 Mate attack) 24.Ne6 (24.Qh5 Qh2 25.Qh2 Kg7 26.Qh7) 24...fe6 (24...Ne5 25.Be5 Bg5 26.Qg5 Kh7 27.Nf8) 25.Be5 (25.Be5 Bg5 26.Qg5 Kh7 27.Qg7; 25.Bf6 Kf7 26.Qg7 Ke8 27.Qe7) 1–0. Nanu,C (2505) – Prelipcean,Eric_Matei, Romgaz Blitz Open (1), 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.f4 Nbd7 9.Nf3 Qc7 10.Ra2 b6 11.0-0 Bb7 12.Re1 a6 13.Ba3 b5 14.f5 e5 15.Rc2 Nb6 16.Kh1 Nc4 17.Bc1 Nd7 18.Qe2 a5 0–1. Zala,Gyula (2110) – Reznak,Attila (2020), HUN–chT2 Erkel, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.f4 Nbd7 9.Nf3 e5 10.0-0 (10.fe5 de5 11.de5 Nc5 12.Bb5 Nfd7+=) 10...0-0+= 11.Na3 (11.fe5 de5 12.Qc2 Re8+=) 11...a6 (11...d5 12.fe5 de4 13.ef6 Nf6 14.Bc4 ef3 15.Qf3+=) 12.Nc4 (12.fe5 de5 13.Qc2 Qa5+=) 12...ef4 (12...ed4 13.e5 de5 14.fe5+=) 13.Bf4 (13.Qc2 h6+=) 13...d5-/+ 14.ed5 Nd5 15.Bd2 b5 16.Nce5 Ne5 17.Ne5 Bb7 (better is 17...Be6+=) 18.Bh7+/- Kh7 19.Qh5 Kg8 20.Rf7?? (better is 20.Nf7!? Rf7 21.Qf7 Kh7 22.Rf5+-) 20...Rf7 (better is 20...Qb6!?-/+) 21.Qf7= Kh7 (21...Kh8 22.Qh5 Kg8 23.Qf7 Kh8 24.Qh5 Kg8 25.Qf7=) 22.Qh5 (22.Rf1 Nc3 23.Bc3 Qd5 24.Qg6 Kg8+/-) 22...Kg8= 23.Rf1 (better is 23.Qf7 Kh8 24.Qh5 Kg8 25.Qf7=) 23...Nf6?? (23...Qe8 24.Ng6 Bf6 25.Qh8 Kf7-/+) 24.Qf7+/- Kh7 25.Rf4 Ne4 26.Qg6 Kg8 27.Rf7 Bf6 28.Bh6 Qf8 29.Rf8 Rf8 30.Nd7 Rf7 31.Nf6 Nf6 32.Bg7! Be4 33.Qh6 Rg7 34.Qf6 Bg2 35.Qd8 Kh7 36.Kf2 Bb7 37.Ke3 Rf7 38.d5 Kg7 39.Kd4 Rf5 40.Qe7 Rf7 41.Qe5 Kf8 42.d6 Bc8 1–0. Romagnoli,F (1940) – Stavru,Alessandro (1900), Caorle op, 1988. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nbd7)

    8.Ne2 0-0

    9.0-0 Nc6 10.Nd2 Bd7 11.Qc2 Qc7 12.Ba3 h6 13.Rfb1 Rfc8 14.Nf1 a6 15.Ne3 b5 16.Qd2 Rab8 17.f3 Re8 18.Kh1 Rb6 19.f4 Bc8 20.Ng3 Bf8 21.e5 de5 22.fe5 Nd5 23.Nd5 ed5 24.Bf8 Rf8 25.Nh5 Qe7 26.Rf1 Qg5 27.Nf4 Ne7 28.Rf2 Rc6 29.Raf1 Bg4 30.Qe1 Rfc8 31.h3 Bf5 32.Bf5 Nf5 (32...Qf5 33.Nd5 Qe6 34.Ne7 Qe7 35.Rf7 Qf7 36.Rf7 Kf7 37.Qf2 Kg8 38.Qa2 Kh7 39.d5 Rc3 40.d6+/-) 33.Rf3 Rd8 34.Kg1 Nh4 35.Rg3 Qe7 36.Rg4 Ng6 37.Qg3 Qe8 38.e6 Re6 39.Ne6 Qe6 40.h4 Qd6 41.h5 Qg3 42.Rg3 Nf8 43.Rf6 Ne6 44.Rh6 a5 45.Rf6 b4 46.cb4 ab4 47.h6 g6 48.h7 Kg7 (48...Kh7 49.Rf7 Kh6 50.Rf6 Nd4 51.Rfg6 Kh7 52.Rg7 Kh8 53.R3g4 Ne2 54.Kf2+-) 49.Rf2 Rb8 50.Rd3 ½–½. Jauk,Siegfried (2190) – Leitenmueller,Michael, AUT/Stmk/C5 (AUT), 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.0-0 Bd7 10.Nd2 b5 11.f4 Bc6 12.Rf3 Nbd7 13.Rh3 g6 14.Qf1 d5 15.e5 Ne4 16.Nf3 f5 17.ef6 Bf6 (worse is 17...Nef6 18.Ng5 Qc8 19.Ne6+=; 17...Rf6?! 18.Qe1+=; 17...Ndf6?! 18.Ne5 Qc7 19.Ba3 Ba3 20.Ra3+=) 18.g4 Rf7 19.Qg2 a5 20.g5 Bg7 21.Qg4 Nf8 22.Rb1 Rb8 23.Ne5 Be5 24.de5 b4 25.cb4 Rb4 26.Be3 Rb1 27.Bb1 Qb8 28.Bc2 a4 29.Nd4 Ba8 (better is 29...Qe8!?+=) 30.Bc1 Qb4+= (30...Qb4 31.Qd1 Nc3 32.Rc3 Qc3 33.Ba4 Rc7-+) 0–1. Rombaldoni,Andrea (2255) – Khenkin,Igor (2635), Bratto op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.0-0 Bd7 10.Nd2 Nc6 11.Ba3 g6 12.Qc2 Qc7 13.c4 Rfc8 14.h3 e5 15.d5 Na5 16.f4 ef4 17.Qb2 (worse is 17.Nf4 b5-/+) 17...b5 (better is 17...Nh5!? 18.e5 b6+=) 18.cb5+= Nh5 19.e5 (19.Nf4 Bf6 20.b6 ab6-+ (20...Bb2?! 21.bc7 Nf4 22.Bb2 Nd3 23.Ra5 Nb2 24.Rb1-/+)) 19...Bf8 20.Bd6 Bd6 21.ed6 Qd6 22.Rf2 Qb6 23.Ra4 Re8 24.Nf4 Re1 25.Nf1 Nf4 26.Raf4 f5 27.g4 g5 28.Ra4 Rae8 29.gf5 R8e3 30.Rg4 h6 31.Qb4 Nb7 32.Kg2 Re8 33.Ng3 R1e3 34.f6 Nd6 35.f7 Nf7 36.Nh5 (36.Bh7 Kg7 37.Nf5 Bf5 A) 38.Rf5?? Re2 (38...Kh7?! 39.Rf7 Kg8 40.Rf1-/+) 39.Kf1 Nd6 (39...Kh7?! 40.Rf7 Kg6 41.Rf3-+) 40.Qd4 Qd4 41.Rd4 Kh7-+; B) 38.Bf5+=) 36...Ne5?? (36...Bg4 37.Qg4 Qb7 (37...Rd3 38.Nf6 Qf6 39.Rf6 Rd5 40.Qh5 Rd2 41.Kf1+-) 38.Nf6 Kf8=) 37.Nf6+- Qf6 38.Rf6 Bg4 39.Bh7 Kh7 (better is 39...Kg7!? 40.hg4 Kf6 41.Qd6 Kg7=) 40.hg4+/- Nd3 41.Qa5 Nf4 42.Kf2 Kg7 43.Rf5 Kg8 44.d6 Rd3 45.Qa2 Kh8 46.Rf6 Re2 47.Qe2 Ne2 48.Ke2 Rd5 49.Ke3 Kg7 50.Ke4 Rd1 51.Re6 Kf7 52.Rh6 Ke8 53.Ke5 Re1 54.Kf6 Kd7 (better is 54...Rd1+-) 55.Rh7 Kd6 56.Ra7 Rb1 57.Kg5 Rb5 58.Kh6 Rb1 59.g5 Rh1 60.Kg7 1–0. Meissen,Frank (2555) – Solis,Jose Alberto (2440), RSS7E top–33, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.0-0 Nbd7 10.Nd2 b6 11.f4 (11.Qb3 Bb7 12.f3 Qc7 13.Ba3 Rfe8 14.Bb2 Bc6 15.Ra6 g6 16.Rfa1; 11.f3 Qc7 12.Bb2 Bb7 13.Qb3 a6 14.Ng3 a5 15.Rfe1 h6 16.Bb5; 11.c4 Bb7 12.Nc3 e5 13.Nf3 ed4 14.Nd4 Ne5 15.Bf4 Nfd7 16.f3; 11.Bb2 Bb7 12.f3 Qc7 13.c4 a6 14.Nc3 h5 15.Qe1 Nb8 16.Nb3; 11.Nf4 e5 12.Nh5 Nh5 13.Qh5 Qc7 14.Bb2 a5 15.Bb5 ed4 16.cd4; 11.Ba3 Bb7 12.f3 Re8 13.Qb3 Qc7 14.Bb2 Bc6 15.Bb5 Bb5 16.Qb5; 11.Qc2 Bb7 12.Bb2 Qc7 13.f3 h6 14.c4 a6 15.Bc3 e5 16.Nb3; 11.Nf3 Bb7 12.Qc2 Qc7 13.Rb1 a6 14.Ba3 Be4 15.Be4 Ne4 16.Qe4; 11.h3 Bb7 12.Bb2 g6 13.Qb3 a5 14.Rfe1 Bc6 15.c4 Nh5 16.Qc2; 11.Nc4 b5 12.Ne3 Qb6 13.Ba3 Re8 14.Qd2 Bb7 15.Rab1 Bc6 16.f3) 11...Bb7 12.Ng3 (12.Bb2 Qc7 13.c4 Ng4 14.Qb3 e5 15.Bc2 a6 16.Qa3) 12...Qc7 (12...a5 13.Bb2 Bc6 14.c4 e5 15.Nf5 ed4 16.Bd4) 13.Bb2 Rfd8 (better is 13...a5+= 14.c4 Rad8 15.e5 de5 16.fe5) 14.e5? (better is 14.c4= h5 15.Nh5 Nc5 16.Nf6; 14.Qe2 h6 15.c4 Qc6 16.Nf3) 14...de5-+ 15.fe5 Ne5! 16.de5 Rd3 (16...Qe5!? 17.Nc4 Qd5-+) 17.ef6+= Bf6 (17...Bc5 18.Kh1 Qc6 19.Nge4 Qe4 20.Ne4 Rd1 21.Rfd1 Be4 22.fg7 Kg7 23.Ba3+=) 18.Qe2= Rad8 19.Nde4 Be5 20.Rad1 (20.Ra7 Bg3 21.hg3= (21.Ng3?? Rd2 22.Qf2 Rf2 23.Rf2 f5-+)) 20...Ba6-/+ 21.Qc2 f5 (21...Bg3 A) 22.Ng3? Qd6 23.Rd3 Bd3-+ (23...Qd3?! 24.Qd3 Bd3 25.Rd1=); B) 22.hg3 f5 23.Nf2 Rg3 24.Rd8 Qd8 25.Rd1-/+) 22.Nf2-/+ Qc5 (better is 22...R3d4! 23.c4 Rd1 24.Rd1 Rd1 25.Nd1 Bd6-/+) 23.Ba3= Qd5 (better is 23...Qe3!? 24.Rde1 Rc3=) 24.Nd3+/- (worse is 24.Rd3 Bd3 25.Nd3 Qd3+=) 24...Bd3 25.Rd3 (better is 25.Qb2!? Qc4 26.Qb4+/-) 25...Qd3+= 26.Qb3?? (better is 26.Qa2 Qd5 27.Qc2+=) 26...Qe3-+ 27.Kh1 Bg3 (27...Bc3 28.Nf5 Qd3 29.Qe6 Kh8 30.Ng3+/-) 28.hg3 Qh6 (better is 28...Qe2 29.Kh2 Qf1 30.Qe6 Kh8-+) 29.Kg1= Qe3 30.Kh1 Qh6 31.Kg1 Qe3 ½–½. Chulivska,Vita (2240) – Voronov,Y (2225), TCh–UKR, Alushta UKR, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.0-0 e5 10.Nd2 Nbd7 11.h3 b6 12.Ng3 Re8 13.f4 Bb7 14.Qe1 (14.Nf5 ef4 15.Rf4 Bf8=+) 14...Qc7 15.Nf3 Bf8 16.fe5 de5 17.Bg5 Bd6 18.d5 a5 (18...h6 19.Bf6 Nf6 20.Nf5 Bc5 21.Kh2 Bd5 22.Qg3=+) 19.Nh4 (19.Nf5 Ba6 20.Ba6 Ra6 21.Bf6 Nf6=+) 19...b5 (19...Ba6!? 20.Ba6 Ra6-/+) 20.Ngf5= Bf8 21.Nh6? (21.Kh1 Qc5 22.Rb1=) 21...gh6-+ 22.Bf6 Qb6 Black prepares b4 23.Kh1 Nf6 24.Rf3? (better 24.Bb5 Qb5 25.Qg3 Kh8 26.Rf6 Bd5 27.ed5 Qd5 28.Nf5-/+) 24...Nh5 25.Nf5 Nf4 26.Qh4 b4 27.cb4 ab4 (27...Bb4?! 28.Nh6 Kg7 29.Nf7-+; worse 27...Qb4 28.Rb1 Qd2 29.Qg3 Ng6 30.Rb7+=; 27...Nd3?! 28.ba5 Qa6 29.Qg3 Kh8 30.Rd3-/+) 28.Raf1 b3 (better 28...Kh8 29.Rg3 Nd3-+) 29.g3?? (29.Bc4 b2 30.Rb3-+) 29...Nd3 30.Nh6 (30.Rd3 Ba6 31.Qg4 Qg6 32.Qf3 Bd3 33.Qd3-+) 30...Qh6 31.Rd3 Qh4 (31...Ba6 32.Qg4 Kh8 33.Rdd1 Bf1 34.h4-+) 32.gh4 Ba6 (better 32...Ra3 33.Rb1 b2 34.Rd2 Rh3 35.Kg2 Rh4 36.Rbb2-+) 33.Rg3 (33.Rg1 Kh8 34.Rb3 f5-+) 33...Kh8 34.Rfg1 Bc5 35.Rc1 (35.Rb3 Bg1 36.Kg1 Rec8-+) 35...Bd4 (better 35...Reb8 36.Rb1 b2 37.Kh2-+) 36.Rb3 Reb8 37.Rg3 Rb2 38.Rc7 (38.h5-+) 38...Rb1 (38...Bd3! 39.Rc8 Rc8 40.Rg2 Be4 41.Kh2 Rg2 42.Kh1 Rc1) 39.Kh2-+ Rf1 (39...Bd3 40.Rg2 Be4 41.Rf7 Bg1 42.Rg1 Ra2 43.Rf2 Rf2 44.Kg3 Rd2 45.h5 Rg1 46.Kh4 Bf3 47.d6 Rd4) 40.d6 (40.Rc2 Re1 41.Ra2 Be3-+) 40...Rd8 (better 40...Bd3! 41.d7 Rf2 42.Rg2-+) 41.d7 Rf2 42.Kh1 Rb2 43.Ra3 (43.Rg2 Rb7 44.Rc1 Rbd7-+) 43...Rb7 (better 43...Bb7 44.Rb7 Rb7 45.Rg3-+) 44.Rc8 (44.Rc1 Bb5 45.Rb3 Rdd7 46.Rc8 Kg7 47.Kh2-+) 44...Rb1 45.Kh2 Bc8 46.Ra8 Rd7 (46...Rd7 47.Rc8 Kg7-+; 46...Rg8 47.Ra1 Bg1 48.Kh1 Bb7 49.Ra4 Be3 50.Kh2 Bf4) 0-1. Ribiere,Damien (2080) - Agibileg,Uurtsaikh (2410), 1st FIDE World Uni RapidB, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6 8.Ne2)

    9.0-0 e5 10.Ng3 Nc6 11.d5 Nb8 12.h3 Na6 13.f4 (13.Ba6 ba6 14.Qf3 Qc7=) 13...ef4 14.Bf4 Nc5 15.Bc2 Nfd7 16.Nf5 Ne5 17.Be5 de5 18.Nd2 Bg5 19.Nc4 g6 (19...Bf4 20.Nfd6-/+) 20.Ng3 (20.Nfd6!?+=) 20...f6 21.Qe2 b6 22.Nb2 a5 23.c4 Qd6 24.Nd1 Ba6 25.Nc3 Rac8 26.Nb5 Bb5 27.cb5 Nb7 28.Qf2?? Rc3-+ (28...Rc3 29.Rfe1 Qc5-+) 0–1. Verwoert,J (2070) – Maes,W (2300), 32nd Taminco Open, Ghent BEL, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.0-0 e5 10.h3 Nbd7 11.f4 a6 12.g4 b5 13.Ng3 Bb7 14.Kh2 d5 15.fe5 Ne4 16.Be4 de4 17.Nf5 b4 18.Qe1 Rc8 19.Bd2 Nb6 (better is 19...b3!?-/+) 20.cb4+= Nc4 21.Bc3 e3 22.Na3 Bg5 23.h4 Qd5 24.Qg3 Bd8 25.Nc4 Qc4 26.Rac1 (26.Rfc1!?=) 26...Qe2 27.Kh3?? (27.Kg1 g6 A) 28.Ne3? Bh4 29.Rfe1 Rc3 (29...Bg3?! 30.Re2 Rfd8 31.Rd2=) 30.Rc3 Qe1 (30...Bg3? 31.Re2 Bf4 32.Rf2+-) 31.Qe1 Be1-+; B) 28.Nh6 Kg7 29.g5+=) 27...Rc3-+ 28.Rfe1 Qb2 29.Rc3 Qc3 30.Re3 Qb4 (better is 30...Qc4 31.Qe1 Bb6-+) 31.Rb3+= Qc4 32.Rb7 Qc6 33.Rb1 f6 (better is 33...Qd5!?=) 34.Qb3+/- Kh8 35.d5 Qc5 36.e6 Bc7? (better is 36...g6 37.Nh6 Bc7 38.Nf7 Kg7+=) 37.Qb4+- Qb4 38.Rb4 1–0. Frink,Ferenc (2235) – Papp,Tamas (2065), Zalakaros op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.0-0 Ne8 10.f4 f5 11.e5 d5 12.Na3 Bd7 13.g4 g6 14.Ng3 Ng7 15.h3 Bc6 16.Qe2 Nd7 17.Nc2 Kh8 18.Ne3 Qe8 19.Ra2 a6 20.Qf3 Nb6 21.h4 fg4 22.Qg4 Nf5 23.Rff2 Rg8 24.Rh2 Bb5 25.Bb1 Nc4 26.Nef1 Bd7 27.h5 Qf7 28.Rag2 Raf8 29.Qh3 b5 30.Bd3 Bc8 31.Kh1 a5 32.Be2 (32.hg6 Rg6 33.Nf5 ef5 34.Rg6 Qg6+=) 32...g5 33.h6 (better is 33.Nf5!? ef5 34.fg5-/+) 33...Ng3-+ 34.Ng3 gf4 35.Bh5 Rg6 (35...Rg3 36.Rg3 Qf5 37.Qf5 fg3 38.Qg4+/-) 36.Bg6 Qg6 (better is 36...hg6!? 37.Rf2 g5-/+) 37.Ne2= Qe4 (better is 37...Bg5=) 38.Qg4+- Qg6 39.Qg6 hg6 40.Nf4 (40.Nf4 Kh7 41.Rg6+-; 40.Bf4?! Kh7=) 1–0. Grabinsky,Vladimir (2310) – Sudarkin,Gregory (2160), St Petersburg White Nights op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    9.f4 Qc7 10.Qc2 h6 11.0-0 +=.

    9.f4 Nfd7 10.0-0= f5 11.Qb3 Kh8 12.Nd2 (12.ef5 ef5 13.Be3 Nb6+=) 12...Nf6 (12...fe4!? 13.Be4 Nc6+=) 13.e5 de5 (13...Ne8 14.Ba3=) 14.fe5 Nd5 15.Nf3 (15.Ba3 Ba3 16.Qa3 Kg8=) 15...g5 (15...b6!?=) 16.c4+= Nc7 17.Bb2 (17.Ba3 Ba3 18.Qa3 Nc6+=) 17...g4 18.Ne1 Bg5 (18...Nc6 19.Nc2+=) 19.Nc2 (19.Ba3 Rf7 20.Nc2 Nc6+=) 19...f4 (19...Nc6!?+=) 20.Be4+/- Nd7 (20...a5 21.Bc1 (21.Bb7 a4 22.Qb4 Be7 23.Qe7 Qe7 24.Ba8 Na8-/+) 21...f3 22.Ba3+/-) 21.h3 (21.Ba3 Rf7+/-) 21...h5 (21...f3 22.gf3 gh3 23.f4+/- (23.Bb7? Bb7 24.Ba3 Bh4-+)) 22.Ba3 Rf7 23.hg4 (23.Bb7 Rb8 24.Qd3 Bb7-+) 23...hg4 24.Ne3! (24.Bb7? Rb8 25.Qd3 Bb7-+) 24...f3? 25.Ng4+- fe2 26.Rf7 Kg8 27.Qh3 Bh4 28.Nh6 (28.Nh6 Kh8 29.Rh7) 1–0. Hrabinska,M (2260) – Sobry,S (2065), XXIV Open Cappelle La Grande FRA, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2 0-0)

    8.Ne2 Nc6

    9.0-0 0-0 10.Nd2 b6 11.f4 Bb7 12.Nf3 (12.Qc2 h6=+) 12...d5 13.ed5 (13.e5 Ne4=+) 13...Nd5 (13...Qd5 14.c4 Qd7-/+) 14.Ne5 (14.f5 ef5 15.Bf5 Re8-/+) 14...f5 (better 14...Nc3 15.Bh7 Kh7 16.Qc2 Kg8 17.Qc3 Qd5-+) 15.Rf3?? (better 15.Qb3=+) 15...Ne5-+ 16.fe5 Nc3! 17.Nc3 Bf3 18.Qf3 (18.Ne2 Bd5 19.Nc3-+) 18...Qd4 19.Kh1 (19.Be3 Qc3 20.Rd1 Rad8-+) 19...Qc3 20.Rb1 Rfd8 (better 20...Rad8 21.Bf1 Qf3 22.gf3-+) 21.Be2 (21.Ba6 Qc2 22.Ra1 Rd1 23.Bf1 Rad8-+) 21...Qe1 (better 21...Rd1 22.Bf1 Rad8-+) 22.Qf1 (22.Bf1 Rac8 23.h3-+) 22...Rd1! 23.Kg1 (23.Bd1 Qf1 Mate attack) 23…Bc5 (23...Bc5 24.Be3 Be3 25.Kh1 Rb1 26.g3 Qe2 27.Qb1 Qf3; 23...Qe2 24.Qd1 Qd1 25.Kf2 Rc8 26.Rb4 Rc2 27.Kg3 Qd3 28.Kf4 g5) 0-1. Radoman,Emmanuel (1960) - Jobava,Ba (2600), C'Chartres Apr Blitz Open, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.Ne2)

    9.0-0 0-0 10.Nd2 e5 11.f4 Bg4 12.d5 Nb8 13.f5 Nbd7 14.h3 Be2 15.Qe2 Rc8 16.Nc4 Nc5 17.Bc2 (17.Ra7?? Nd3 18.Qd3 Rc4 19.Rb7 Re4-+) 17...Qc7 18.Na5 Bd8 19.Bd2 Nce4 20.Be4 Qc5 21.Be3 Qe3!? 22.Qe3 Bb6 23.Qb6 ab6 24.Nb7 Ne4 25.Rfb1 Nc3 26.Rb6 Nd5 27.Rd6 Ne3 28.g4 Nc2 29.Rc1 Nd4 30.Rc8 Rc8 31.Rd7 f6 32.Nd6 Ra8 33.Kf2 h5 34.Ne4 (34.gh5 Kh7 Combination) 34...Ra2 35.Kf1 Ra3 36.Kg2 Ne2 37.g5 Nf4 38.Kh2 Rh3 39.Kg1 Rd3 (39...Re3 40.g6 Rd3+=) 40.Rd3+= Nd3 41.gf6 Nf4 42.Kf2 h4 43.fg7 Kg7 44.Kf3 h3 45.Nf2 h2 46.Kg3 Nd3 47.Nh1 (47.Nd3 h1Q Combination) 47...Kf6 48.Kh2 Kf5 49.Kg2 Kf4 50.Ng3 Ke3 51.Nf5 Ke2 52.Ng3 Ke3 53.Nf5 Kd2 54.Nd6 Nb2 55.Kf3 Kd3 56.Ne4 Kd4 57.Ng5 Kd3 58.Ne4 Na4 59.Nf2 Kd4 60.Ke2 Nc3 61.Kd2 Nd5 62.Ke2 Nf6 63.Nd3 e4 ½–½. Bonafede,A (2310) – Caruana,F (2705), 70th ch–ITA Siena ITA, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.0-0 0-0 10.f3 e5 (10...Bd7 11.Qb3+=) 11.d5+= Na5 12.Be3 b6 13.Na3 Nd7 14.Qa4 (14.f4 Re8+=) 14...Nb7 (14...Nc5 15.Bc5 dc5 16.f4-/+) 15.Bb5 (15.Qc2 Ndc5+=) 15...Ndc5-/+ 16.Qc2 Bd7 (16...Bg5 17.Bg5 Qg5 18.Nc4+=) 17.Rfb1 Qc7 18.f4 (18.Bd7 Qd7 19.Ng3 Rfc8+=) 18...ef4 (18...f5 19.Bd7 Qd7 20.ef5 Rf5 21.Nb5+=) 19.Bf4 Bf6 20.Nd4 (20.Bd7 Qd7 21.Nb5 a6-/+) 20...Rfe8 21.Re1 a6 22.Bd7 Nd7 23.Nc6 Na5 (23...b5 24.Qd3-/+) 24.Na5+= ba5 25.Re3 (25.Nb1 Rab8-/+) 25...Qc5 26.Kh1 (26.Qf2 Rab8-/+) 26...Be5 27.Qf2 (27.Rf3 Bf4 28.Rf4 Rac8-/+) 27...Rab8 (27...Nf6 28.Be5 Ng4-+ (28...de5?! 29.Qe2+=)) 28.Nb1 (28.Be5 Ne5 (28...de5?! 29.Qg3+=) 29.Qg3 Ng4-+) 28...Bf4 (28...Nf6 29.Be5 Ng4 30.Qg1 Qe3 31.Bg3-+) 29.Qf4 Rb2 (29...Nf6 30.Re1-+) 30.Rg3 (30.Nd2 Ne5 31.Nf1 Rc2-/+) 30...Rf2 31.Rf3-/+ Rf3 32.Qf3? Qd5-+ 33.h3 Qc5 34.Nd2 Ne5 35.Qg3 Rb8 36.Nf3 Qc3 37.Rf1 Nf3 38.Qd6 Qe5 (38...Qe5 39.Qe5 Ne5-+) 0–1. Haub,Thorsten Michael (2295) – Chuchelov,Vladimir (2500), Eupen op, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.0-0 0-0 10.f4 Bd7 11.Ng3 Qb6 12.Na3 a6 13.Nc4 Qc7 14.Ne3 Rfc8 15.e5 Ne8 16.f5 de5 (better is 16...Bg5!? 17.Qh5 h6+=) 17.fe6+= fe6 18.Qh5 Nf6 19.Rf6 (19.Rf6 Bf6 20.Bh7 Kf8 21.Ba3 Ne7 22.Bg6+-) 1–0. Noire,Eric (2180) – Ribeiro,Vitor Manuel (1925), IECG, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.0-0 e5 10.h3 0-0 11.f4 Re8 12.d5 Qb6 13.Kh2 Nb8 14.fe5 de5 15.Nd2 Nbd7 16.Nc4 Qc7 17.Ng3 Nc5 18.Ba3 Bd7 19.Be2 Bd6 (worse is 19...Nfe4 20.Ne4 Ne4 21.d6 Nd6 22.Bd6 Bd6 23.Qd6+=) 20.Rf6 gf6 21.Nd6 Qd6 22.Bg4 b6 23.Bf5 Kh8 24.Qh5 Bf5 25.Nf5 Qd8 26.Bc5 bc5 27.Qf7 Rg8 28.Ra7 Ra7 29.Qa7 c4 30.Qa6 Qf8 31.Qc4 Qe8 32.Qe2 Rg5 33.Qf2 Qc8 34.d6 Qd7 35.Qd2 Kg8 36.c4 Kf7 (36...Kh8 37.c5 Rf5 38.ef5+-) 37.c5 Ke8 (37...Rf5 38.Qd5 Qe6 39.Qb7 Ke8 40.Qb8 Kf7 41.Qc7 Kg6+-) 38.Qd5 Kd8 39.c6 Qa7 40.c7 Kd7 41.Qb5 (41.Qb5 Ke6 42.Qe8) 1–0. Kuipers,Eelco (2035) – Loman,Jelmar, NED–ch U20 Hengelo, 1995. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.Na3 0-0 10.0-0 a6 11.f4 (11.Nc2 Bd7+=) 11...e5 (11...b6 12.Qc2 h6 13.e5+=) 12.h3 (12.d5 Na5+=) 12...Rb8 (12...ed4 13.Nd4 d5 14.e5-/+) 13.d5+= Na5 14.Qa4 Nd7 (14...Qb6 15.Kh2+=) 15.Be3 b6 16.Rab1 (16.Qb4 Nc5 17.Bc2 Re8+=) 16...ef4 17.Nf4 Ne5 18.Be2 Bg5 (18...b5 19.Qb4 Bd7 20.Ra1-/+) 19.Nc2 (19.Qb4 Ng6+=) 19...Qc7 (19...b5 20.Qd4 Bf6-/+) 20.Nd4? (20.Bb6!? Rb6 21.Qa5+=) 20...Bd7 (20...Qc3 21.Nc2-+) 21.Qb4 (21.Qa1 Nac4 22.Bc1 b5-/+) 21...Nac4 22.Bc1 a5 23.Qb3 Bh6 (better is 23...b5-/+) 24.Nh5? (better is 24.Bc4!? Qc4 25.Qa3-/+) 24...Nd2 25.Qc2?? Be3 26.Kh1 Nb1 27.Be3 Qc3 28.Rb1 Qe3 29.Nc6 Bc6 30.Rb3 Ba4 (30...Ba4 31.Re3 Bc2-+) 0–1. Lutz,Klaus Juergen (2270) – Nickel,Ruediger, Wiesbaden op, 1992. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Nf3 0-0

    9.0-0 Nc6 10.Na3 Bd7 11.Re1 h6 12.Nc2 Rc8 13.Bd2 Na5 14.Ne3 b5 15.e5 Nd5 16.Nd5 ed5 17.ed6 (17.Bb1 de5 18.Ne5 Nc6+=) 17...Bd6= 18.Ne5 Be5 (18...Bc7!?=) 19.Re5+= (worse is 19.de5 Re8+=) 19...Bc6 (better is 19...Nc4!? 20.Rd5 a5+=) 20.Bh6+/- gh6?? (better is 20...f6 21.Qh5 fe5+-) 21.Qg4 Kh8 (21...Qg5 22.Rg5 hg5 23.Qg5 Kh8 24.Qh6 Kg8 25.Qh7) 22.Qf5 (22.Qf5 Kg7 23.Qh7 Kf6 24.Qh6) 1–0. Blaszczak,Jan (1685) – Nowosad,Jan, Lublin op Poland, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 0-0)

    9.0-0 Nc6 10.Re1 a6 11.Qe2 Qc7 12.Bg5 h6 13.Bh4 e5 14.Nbd2 Nh5 15.Bg3 (15.Be7!? Nf4 16.Qe3 Ne7 17.c4+=) 15...Ng3-/+ 16.hg3 Bg4 17.Qe3 Rfc8 18.Nh2 Bd7 19.f4 ed4 20.cd4 Nb4 21.Rac1 (21.Ra3 Nd3 22.Qd3 b5-+) 21...Qd8 (21...Qc1!? 22.Rc1 Rc1 23.Bf1-+) 22.Bc4 (22.Nhf3 b5-+) 22...b5 23.Bf7 (23.Bf7 Kf7 24.Nhf3-+). JM (2120) – Gerards,Holger (2215), remoteschach.de, 2002. (=1.Nf3 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.e4 d6 7.d4 Nf6 8.Bd3 0-0)

    9.0-0 Nc6 10.Bg5 h6 11.Be3 Qc7 12.c4 e5 13.h3 Nd4 14.Nd4 ed4 15.Bd4 Be6 16.Nc3 Bc4 17.Qf3 a6 18.Rac1 Bd3 19.Qd3 Qd7 20.Qg3 Rac8 21.Nd5 Qe6 22.Rcd1 Rfe8 23.f4 Kh7 0–1. Friedrich,Franz (2160) – Boehme,Sebastian (2525), remoteschach.de, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.0-0 Nc6 10.h3 +=.

    9.0-0 Qc7 10.Ba3 e5 11.Qe2 Nbd7 12.de5 (12.Nbd2 Re8+= (worse is 12...Qc3 13.Rfc1 Qa5 14.Bd6+/-)) 12...Ne5-/+ 13.Nd4 Nd3 14.Qd3 a6 15.Nd2 b5 16.Qg3 Re8 17.f4 d5 (better is 17...Bd7!?-/+) 18.Be7= Qe7 19.e5 Ne4 20.Ne4 de4 21.Nb5 Qc5 22.Nd4 Bb7 23.Kh1 Bd5 24.Nf5 Qf8 25.Nd6 Reb8 26.Qe3 Rb3 27.Qd4 Bb7 28.Qc4+- Rb2 29.Nb7 Rb7+/- 30.Ra6 Ra6 31.Qa6 Rc7 32.Qe2 Rc3 33.Qe4 Qc8 34.h3 Rc1 35.Rc1 Qc1 36.Kh2 h6 37.Qa8 Kh7 38.Qe4 Kg8 39.e6 fe6 40.Qe6 Kh7 41.Qf5 Kh8 42.Qe5 Qd2 43.f5 Qd8 44.Qf4 Qf6 45.h4 Kh7 46.h5 Qe7 47.Qg4 Qe5 48.Kh3 Qe3 49.Qg3 Qg3 50.Kg3+- Kg8 51.f6! Kf7 52.fg7 Kg7 53.Kg4 Kf6 54.Kf4 Ke6 55.g4 Kf6 56.g5 hg5 57.Kg4 Kg7 58.Kg5 Kh7 59.h6 Kh8 60.Kg6 Kg8 61.h7 Kh8 62.Kh6 ½–½. Pen Li,Min – Lysenko,Demid, UKR–ch U12 Nikolaev, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 0-0)

    9.0-0 Qc7 10.e5 Nd5 (10...de5 11.Ne5 Nc6 12.Na3+=) 11.Qc2 (11.Na3 Nc3 12.Qc2 de5 13.Ne5 Nd7=) 11...h6 (11...de5 12.Ne5 g6 13.Bd2+=) 12.Re1 (12.ed6 Bd6 13.Bd2 Qe7=) 12...Nd7 (12...de5 13.Ne5 Nc6 14.Ba3+=) 13.Bd2 (better is 13.ed6!? Bd6 14.Ba3=) 13...de5-/+ 14.de5 Nc5 15.Nd4 (15.Be2 Qb6-/+) 15...Bd7 16.f4 (16.Na3 a6-/+) 16...Qb6 (16...a5 17.Bc4-+) 17.Na3 Ba4 18.Qb1 Qb1 19.Bb1 (19.Nb1?? Nd3 20.Ra4 Ne1 21.Be1 Nf4-+) 19...Nb3 (19...Rfd8!? 20.Nc4-+) 20.Nb3-/+ Bb3 21.Nb5 (21.Be4 Bc5 22.Kh1 a5-/+) 21...a6 22.Nd4 Bc4 23.Kh1 Rac8 (23...Bc5 24.f5 ef5 25.Bf5-/+) 24.Be4 Rfd8 25.Reb1 (25.f5 ef5 26.Bf5 Rc5-/+) 25...b5 (better is 25...Bc5-/+) 26.Bd5? (26.f5!?-/+) 26...Rd5 (26...Bd5 27.Rc1-+) 27.Nf3? (27.Ra6!? b4 28.Rb6-+) 27...Be2 (27...Ra8!? 28.Be3 a5 29.Nd2-+) 28.Be1 Ra8 29.Nd4 Bc4 30.Nc6 Bc5 31.Nb4 Rd7 32.Ra6 Ra6 33.Na6 Be3 34.Bg3 Rd3 35.h3? Rc3 36.Nb4 Bc5 37.Kh2 Bb4 38.Rb4-/+ Rc2 39.Kg1 Bd5 40.Bf2 Bc4 41.Rb1 Bd3 42.Rb3+= Bc4 43.Rb1 Re2 44.g3 Rd2 45.Be3 Ra2 46.Bc5 Bd5-/+ 47.Rb5 Rg2-+ 48.Kf1 Rg3 49.Rb8 Kh7 50.Ke2 Rh3 51.Be3 Rg3 52.Rb1 h5 53.Rg1 Rh3 54.Bf2 h4 0–1. Lemke,Berfin (1725) – Kluge,Leyla (1790), Magdeburg GER, Ch U16 (g), 2014. (=1.Nf3 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.e4 d6 7.d4 Nf6 8.Bd3 0-0)

    9.0-0 Nbd7 10.Bg5 h6 11.Bh4 Qc7 (11...b6 12.e5 Nd5 13.Be7 Qe7 14.c4+=) 12.Qe2 (12.Re1 g5 13.Bg3 Nh5+=) 12...e5 (12...Rd8 13.c4 e5 14.Nc3+=) 13.Nbd2 (13.Na3 a6+=) 13...Nb6 (13...a6 14.Rfb1+=) 14.h3 (14.Rfc1 Be6+=) 14...Nh5 15.Qe3? (better is 15.Be7!? Nf4 16.Qe3 Qe7 17.Ra5+=) 15...Bh4-+ 16.Nh4 Qc3 17.d5 Nf4 18.Rfb1?? Bd7 19.Bf1 Qe3 20.fe3 Nh5 21.Nf5 Bf5 22.ef5 Ng3 23.Bd3 Nd5 24.Kf2-/+ Nh5 25.Rb7+= Rfb8 26.Rb8 Rb8 27.Nc4 Rb3 28.Be2 Rc3 29.Ra7 Rc2-/+ 30.Ra8 Kh7 31.g4 Nc3 32.gh5= Re2 33.Kg1? f6 34.Nd6= Re3?? 35.Nf7+- g6 36.hg6+/- Kg7 37.Kg2 Ne4?? 38.Ra7+- Rg3 39.Kh2 Re3 40.Nh6! Kh6 41.Rh7 (41.Rh7 Kg5 42.g7 Re2 43.Kg1+-) 1–0. Asrul Sharaff,Omar – Yee,Aaron, Asia–ch Kuala Lumpur, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.Qe2 Nc6 10.0-0 e5 11.Na3 a6 12.Nc4 Qc7 13.Ba3 b5 14.Ne3 Re8 15.de5 de5 16.Be7 Re7 17.Nd5 (17.Bb5 Na5 18.Bd3 Qc3 19.Rfc1+=) 17...Nd5-/+ 18.ed5 Nd8 (18...e4 19.Be4 Bf5 20.Nd2 Be4 21.Ne4+=) 19.c4 (19.Rfd1!? Qc3 20.d6=) 19...bc4 20.Bc4 Bb7 21.Rfe1 e4 (21...Qd6 A) 22.Ne5? f6-+ (22...Bd5?! 23.Qd1 Re5 24.Bd5+=); B) 22.Ng5 f5 23.Nf3+=) 22.Nd4 (22.Nd2!?=) 22...Qe5+= 23.Nc6 (23.Red1 Bd5 24.Bd5 Qd5-/+) 23...Nc6 24.dc6 Bc6 25.Ra6 Ra6 26.Ba6 g6 27.Bd3?? (better is 27.Qe3-/+) 27...ed3-+ 28.Qe5 Re5 29.Re5 d2 30.Re8 Be8 (30...Be8 31.h4 d1Q 32.Kh2 Qd2 33.Kg3 Qd6 34.f4 Bc6 35.Kf2 Qd2 36.Kf1 Qg2 37.Ke1 Bf3 38.h5 Qe2) 0–1. Donoso Solzona,Francisco – Iinuma,Paul Y, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 0-0)

    9.h4 Qc7 10.e5 (better 10.0-0!?=+) 10...de5-/+ 11.de5 (11.Ne5 Nbd7 12.f4 Nd5-/+) 11...Ng4 (11...Nd5 12.Bg5-/+) 12.Bh7 (better 12.Bf4 Nd7 13.Bh7 Kh7 14.Ng5 Kg8 15.Qg4=+) 12...Kh8 (better 12...Kh7!? 13.Ng5 Kg8 14.Qg4 Qe5 15.Qe4 Nc6 16.Qe5 Ne5-/+) 13.Bc2=+ Ne5 (13...Rd8 14.Qe2 Nc6+=) 14.Ng5+- g6 15.h5 (better 15.f4+-) 15...Kg7?? (better 15...Kg8=) 16.hg6+- Ng6?? (16...fg6 17.Qd4 Bg5 18.Bg5 Rh8 19.Rh8 Kh8 20.Bf6 Kg8 21.Be5 Nc6 22.Bc7 Nd4 23.cd4 Bd7 24.Bg6 a6+-) 17.Rh7 Kg8 18.Qh5 Qe5 19.Be3 Nf4 (19...Bg5 20.Ra5!! b5 (worse 20...Qa5 21.Bg6 Rd8 22.Rf7 Rd1 23.Kd1 Qd5 24.Nd2 Qb3 25.Nb3 Bh6 26.Qh6 Nc6 27.Qg7) 21.Rb5 Be3 (worse 21...Qb5 22.Bg6 Rd8 23.Rf7 Rd1 24.Kd1 Qf1 25.Kc2 Qe2 26.Qe2 Nd7 27.Qh5 Nf6 28.Qg5 Ne8 29.Qe7 Nd6 30.Rf8) 22.Re5 Bd2 23.Nd2 Nd7 24.Qh6 Nde5 25.Qg7) 20.Rh8 Qh8 21.Bh7 Kg7 22.Bf4 Bg5 23.Be5 Bf6 24.Qg5 (24.Ra4 Rg8 25.Rg4 Kf8 26.Rg8 Qg8 27.Bg8 Kg8 28.Bf6 Nc6 29.Qh8) 24...Kh7 25.Bf6 Qf6 26.Qf6 Nc6 (26...Nd7 27.Qh4 Kg6+-) 27.Ra4 (27.Ra4 Nb4 28.Rb4 a5 29.Rh4 Kg8 30.Qg5) 1–0. Anchondo,Francisco – Muradyan,Haik, 7th Western Pacific op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 0-0)

    9.h4 e5 10.de5 de5 11.Ne5 Bd6 12.Nf3 Re8 13.Be3 Bg4 (13...Ne4 14.Be4 Re4 15.Ng5-/+) 14.Ra4 Nc6 15.Qb3 Re7 16.Nbd2 Bf4 17.Bc4 (17.Bf4 Qd3 Discovered attack) 17...Be3-+ 18.fe3 Na5 19.Qb5 Nc4 20.Rc4 a6 21.Qg5 h6 22.Qf4 Be6 23.Rd4 Qa5 24.0-0 Qc3 25.Ne5 Rf8 26.Kh1 Nd7 27.Ndf3 Ne5 28.Ne5 Rfe8 29.g4 Bb3 30.Nd7 Qc6 31.Nb8 Qc8 32.g5 Qb8 33.Qg4 hg5 34.hg5 Re4! 35.Re4 Bd5 36.Rf6 Re4 37.Qd7 0–1. Malaczek,Mateusz (1795) – Zakoscielna,Kinga (2095), V Mielenska Perla Baltyku A Poland, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 0-0)

    8.Nf3 Nc6

    9.0-0 0-0 10.Na3 a6 11.Qe2 Qc7 12.Nb5 Qb8 13.Nd6 Bd6 14.e5 Be7 15.Ng5 g6 16.ef6 Bf6 17.Qf3 Bg7 (better is 17...Be7!?=) 18.Ba3+/- Bd7 19.h4 (19.Bf8 Qf8 20.Rfb1 Ra7+/-) 19...b5 (19...e5!? 20.Bf8 Qf8+/-) 20.Bf8+- Qf8 21.Be4 Qe8 22.Nf7! Qf7 23.Bc6 Qf3 24.Bf3 Ra7 25.Be2 e5 26.d5 e4 27.Ra3 Rc7 28.Ra6 Bc3 29.Ra8 (29.d6!? Rc8+-) 29...Kf7+/- 30.d6 Rb7 31.Rc1 b4 32.Ba6 Rb6 33.Bc4 Kf6 (33...Kg7 34.Rd1 Rb7 35.Bd5+-) 34.Rd1 b3 (34...Rc6 35.Bb5 Rc8 36.Rc8 (36.Bd7 Ra8 37.Bc6 Ra1 38.Ra1 Ba1+=) 36...Bc8 37.d7 Bd7 38.Rd7+-) 35.Rf8 (35.Rf8 Ke5 36.Rd5 Ke6 37.Rb5 Kd6 38.Rb6 Kc5 39.Rb3 Kc4 40.Rb7+-) 1–0. Ruhmke,Stephan (2235) – Mantau,Jan (2085), RSS7E schnell–36, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.0-0 0-0 10.Bb2 Re8 11.Nbd2 Bf8 (11...Nh5 12.Bb5 Nf4 13.c4+=) 12.h3 (12.Qc2 Qc7+=) 12...e5 (12...b6 13.Re1+=) 13.d5 Ne7 14.c4 (14.Qe2 Bd7+=) 14...Ng6+= 15.Kh1 (15.Qb3 Nd7+=) 15...Nf4-/+ 16.Qb3 (16.Bc2 Be7-/+) 16...Bd7 (16...Nd7 17.Bc2-/+) 17.Nh2 (17.c5 Qb8 18.cd6 Bd6-/+ (18...Qd6?! 19.Ne5 Nd3 20.Nd3=; 18...Nd3?! 19.Qd3 Bd6 20.Nc4+=)) 17...Nd3 (17...a5 18.Nhf3-/+) 18.Qd3 a6 (18...a5 19.f4-/+) 19.Qc3 (19.Rfb1 Qc7-/+) 19...b5 (19...a5-/+) 20.f3 (20.cb5 Bb5 21.Rfc1 Be7-/+) 20...bc4 (20...Nh5 21.Rfe1-+) 21.Nc4-/+ Bb5 (21...Nh5 22.Rfe1-/+) 22.Rfc1 Qb6?? (22...Nh5 23.Nf1-/+) 23.Rc2 (23.Nb6 Rab8 24.Qc7 Be7+-) 23...Nh5?? (better is 23...Qc7-/+) 24.Qb3 Ng3 0–1. Schiwarth,Nino – Figura,Atila (1725), GER–ch U10 Oberhof, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.0-0 0-0 10.Qc2 e5 11.Ba3 Qc7 12.h3 Nh5 13.d5 Nb8 14.Bc1 Nd7 15.Na3 Nc5 16.Be3 a6 17.Rfb1 Nd3 18.Qd3 f5 19.Qc4 Qd8 20.ef5 Rf5 21.Nd2 b5 22.Qe2 Nf4 23.Bf4 Rf4 24.c4 Bf5 25.Rb3 Bd7 26.cb5 ab5 27.Rab1 b4! 28.Nac4 (28.Rb4 Ra4) 28...Bf5 29.R1b2 Bg5 30.Ne3 Bd7 31.Rb4 Rb4 32.Rb4 Qa5 33.Rb7 Bc8 34.Nb3 Qd8 35.Rb4 Bd7 36.Nc4 Qc7 37.Qb2 Rf8 38.Nbd2 Bf5 39.Rb7 Qc5 40.Rb5 Qc7 41.Rb7 ½–½. Meijer,Wilmar (1935) – Colsaet,Sylvain (1920), IECG, 2000. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.0-0 0-0 10.Nbd2 Qc7 11.Qc2 Bd7 12.Ba3 Rfe8 13.Rfb1 h6 14.Nf1 b6 15.Ne3 Bf8 16.h3 Nh5 17.Rd1 (17.d5 Ne5 18.Ne5 de5 19.Bf8 Rf8+=) 17...Nf4 18.Bf1 e5 19.Kh2 ed4 20.cd4 Qb7 (20...d5 21.e5 Ba3 22.Ra3=) 21.d5 Na5 22.Bb4 Qc8 23.Qc8 Rac8 (23...Bc8 24.Ba5 ba5 25.g3+=) 24.Nd2 (24.Ba5 ba5 25.Ra5 Rc7+=) 24...Rc7 25.Ba5 ba5 26.Ra5 Rb8 27.g3 Ng6 28.Rda1 Rbb7 29.R1a2 Ne7 30.Bc4 Ng6 31.R5a3 Be7 32.Ba6 Rb4 33.Be2 Bg5 34.f4+/- Nf4 35.gf4 Bf4 36.Kg2 a5 37.Bg4 Bb5 38.Kf3 Be3 39.Ke3 a4 40.Bd1 Ra7 41.Rc2 Bd7? 42.Bg4+- f5 43.ef5 Rb5 44.Kd4 Raa5 45.Bf3 Bf5 46.Rc6 Rb4 47.Nc4 Bh3 48.Rd6 Bf1 49.Rc6 Bc4 50.Rc4+- Rc4 51.Kc4 Kf7 52.Kb4 Ra7 53.d6 Ke6 54.Rd3 Kd7 55.Bg4 Ke8 56.Re3 Kf7 57.d7 (57.d7 Rd7 58.Bd7+-) 1–0. Petters,Oscar Augusto (2065) – Soreghy,Janos (1755), WC–2015–P–00014, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.0-0 0-0 10.Bf4 Bd7 11.e5 de5 12.Ne5 Ne5 13.Be5 Bc6 14.Nd2 Bd6 15.f4 g6 16.Nc4 Be5 (16...Be7 17.Qe1+=) 17.fe5= Nd5 18.Qd2 a5 19.Nd6 f5 20.Bc4 Qe7 21.Bd5 ed5 (worse is 21...Bd5 22.c4 Bc6 23.Ra5 Ra5 24.Qa5+/-) 22.Rf3 b5 23.Rh3 a4 24.Qh6 Ra7 25.Rf1 a3 26.Ra1 a2 27.Qc1 Rfa8 28.c4? (better is 28.Rf3=) 28...dc4-+ 29.Nc4 (better is 29.Rc3 Qh4 30.Qd2-+) 29...Be4?? (better is 29...Qb4 30.Rc3 Be4-+ (worse is 30...bc4 31.Rc4 Qb6 32.Rc6 Qd4 33.Kf1-+)) 30.Nd6+= Rc7 31.Rc3 Rc3 32.Qc3 Bd5 33.Qc5 Qe6 34.Qb5 f4 35.Qe2 Rb8 36.Qe1? Qg4 37.Ne4-/+ Be4 38.Qe4= Rb1?? 39.Rb1+/- ab1Q 40.Qb1 f3 ½–½. Augstein,Joerg (1810) – Krueger,Thomas (1875), Mecklenburg VP LL, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.0-0 e5 10.Na3 Bg4 (10...0-0 11.Be3=) 11.d5 Nb8 (11...Na5 12.Qa4 Nd7 13.Nb5=+) 12.h3 (12.Be3 Nbd7=) 12...Bh5 13.Qb3 (13.Be3 Nbd7=) 13...Bf3 (13...Nbd7 14.Be3 b6 15.Nc4=) 14.Qb7 (14.gf3 Nbd7 15.Qb7 Nc5 16.Qb5 Nfd7=) 14...Bg2 (14...Be4!? 15.Be4 Nbd7=+) 15.Kg2= Nbd7 16.Nb5 0-0 17.Be3 a7 becomes the focus of attention 17...Ne4?? (17...Nh5 18.Ra7 Ra7 19.Na7 Nc5 20.Bc5 Nf4 21.Kh2 A) 21...dc5?? 22.Nc6 Qd6 23.Ne7 (23.Qe7?! Qh6 24.h4 f6=) 23...Kh8 24.Nf5+-; B) 21...Nd3=) 18.Be4+- f5 19.Bf3 (19.Bc2 a5+-) 19...e4 20.Be2 (20.Bh5 Rb8 21.Qa6 Bg5+-) 20...f4? (better 20...Rb8 21.Qa7 f4+-) 21.Bg4+- Ne5 (21...fe3 22.Qd7 (worse 22.Bd7 ef2 23.Rf2 Kh8+-) 22...Qd7 23.Bd7 Rf2 24.Rf2 ef2 25.Kf2+-) 22.Be6 (22.Ba7 f3 23.Kh2 Ng4 24.hg4 Bg5=) 22...Kh8 23.Ba7 Bh4 (23...e3 24.fe3 fe3 25.Nc7 (25.Be3 Rb8 26.Qa6 Qe8+-) 25...Rf1 26.Rf1 (26.Kf1 Qf8 27.Kg1 Qf2 28.Kh1 Qf3 29.Kg1 Rf8-+) 26...Ra7 27.Qa7+-) 24.Kh1 Nd3 25.Ra2 (25.Ra3 Bf2 26.Bf2 Rb8+-) 25...e3 (25...Nc5 26.Qc6 e3 27.Nd6 Ne6 28.de6+-) 26.Nd6! Nf2? (26...Qd6 27.Qa6 Double attack (27.Qa6 Decoy)) 27.Raf2 Bf2 (27...Ra7 28.Qa7 Bf2 29.Nf7 Rf7 30.Bf7 e2 31.Qf2 ef1Q 32.Qf1 Qc7+-) 28.Bd4 Rf6 29.Bf6 gf6 30.Nf7 Kg7 31.Nd8 Kh6 32.Nf7 Kh5 (32...Kg6 33.Qa8 Kg7 34.Qh8 Kg6 35.Qf8 e2 36.Qh6) 33.Qa8 (33.Qb1 Kh4 34.Qf5 Rg8 35.Qf4 Kh5 36.Qh6) 33...e2 34.Bg4 Kh4 35.Be2 (35.Be2 Be3 36.Qg8 h5 37.Bh5 f5 38.Rf3 Kh5 39.Qg5) 1–0. Zimniok,Lubomir (2080) – Marczak,Szymon (1705), Karvina Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6 8.Nf3 Nc6)

    9.0-0 e5 10.Nbd2 0-0= 11.h3 (11.d5 Nb8=) 11...b6 (11...ed4 12.Nd4 Bd7 13.N2f3+=) 12.Re1 Bb7 13.Nc4 Re8 14.Ne3 (14.d5 Nb8=) 14...Bf8 (14...ed4 15.cd4 Nb4 16.Bb5 Be4 17.Be8 Qe8 18.Qb3+=) 15.Nf5 (15.d5 Na5=) 15...ed4+= 16.cd4 Nb4 17.d5 Nd3 18.Qd3 Nd7 (better is 18...Qd7 19.N5d4 g6+=) 19.Ng5?? (19.Ba3!? Nc5 20.Bc5 dc5 21.Ra2+=) 19...Qf6 (19...g6!? 20.Ng3 Bg7-+) 20.Bd2 (20.e5 Qg6 21.e6 fe6 22.Re6 (22.de6? Nc5 23.Qc2 Ne6 24.Re6 Re6-+) 22...Re6 23.Ne6-/+ (23.de6? Nc5 24.Qc2 Ne6-+)) 20...h6 (better is 20...g6 21.Qb5 gf5 22.Qd7 Re7 23.Qf5 Qf5 24.ef5 Bd5-/+) 21.e5+= Qg6 22.Nf7 Kh7= 23.e6 Nc5-/+ 24.Qf3 Re6! 25.Nh4 Re1 26.Re1 Qd3 27.Qh5 Qd2?? 28.Qg6+- Kg8 29.Nf5 Qe1 30.Kh2 Qd2 31.N5h6 Qh6 32.Nh6 Kh8 33.Nf7 Kg8 34.Ng5 (34.Ng5 Be7 35.Qh7 Kf8 36.Qh8) 1–0. Dimitrov,Pavel (2300) – Spasov,Vasil (2580), 11th Kesarovski–Stanchev Mem, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.0-0 e5 10.d5 Nb8=.

    9.Ba3 0-0 10.h4 (10.0-0!?+=) 10...e5 (10...b6 11.Qe2-/+) 11.d5 Nb8 12.Nbd2 Nbd7 13.Nc4 (13.Qb3 Qc7-/+) 13...Qc7 14.Rc1? (14.Qb3 a6-/+) 14...Nc5 (14...Ne4!? 15.Be4 Qc4 16.Qd3 Qd3 17.Bd3-+) 15.Bc5 Qc5 (worse is 15...dc5 16.Nce5 (16.Nfe5? b5-+) 16...Bd6 17.Nc4-/+) 16.Ne3 (16.Qb3 b5 17.Na5 Bd7-/+) 16...Ng4 (16...a5 17.Qb3-+) 17.Ng4-/+ Bg4 18.Qd2 Bf3 19.gf3 Bf6 20.Ke2 Qc7 21.Rcg1 Rac8 22.c4 Qe7 23.Rg4 Kh8 24.f4 ef4 25.Rf4 Be5 26.Rg4? f5! 27.Rg2 fe4 28.Be4 Rc4 29.f3 Bf4 30.Qd3 Rfc8 31.Rgg1 Rc3 32.Qb5 Rc2 (32...Rc2 33.Kf1 Rd2-+) 0–1. Lampen,Timo – Hermlin,Aarne (2360), Tampere TampY, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.Na3 0-0 10.0-0 a6 11.Qc2 Qc7 12.Bg5 e5 13.h3 Bd7 14.Nc4 b5 15.Ne3 Rfc8 16.Rfc1 h6 17.Bh4 Qb6 18.Qb2 Ra7 19.Nd5 Qd8 20.Ne7 Qe7 21.d5 Nb8 22.c4 Rac7 23.cb5 Rc1 (23...ab5!? 24.Rc7 Rc7=) 24.Rc1+/- Rc1 25.Qc1 ab5 26.Bf6 gf6 27.Qh6 Na6 28.g4 Nc5 29.Bb1 Be8 30.g5 (30.Kf1 b4+=) 30...Nd7 (30...fg5 31.Ng5 f6 32.Nf3+=) 31.Nh4 Qf8 (better is 31...fg5 32.Nf5 Qf6 33.Qf6 Nf6 34.Nd6 Kf8=) 32.Nf5+/- Qh6 33.Ne7?? (better is 33.gh6 Nb6 34.Nd6+/-) 33...Kh7+= 34.gh6 Nc5 35.Nf5 Nb7 36.Ng7 (better is 36.Ne7!?+=) 36...Bd7-+ 37.Nh5 Bh3 38.Nf6 Kh6 39.Kh2 Bf1 40.Kg3 Kg7 41.Ng4 Nc5 42.Ne3+= Kf6?? 43.Nf1+- b4 44.Nd2 b3 45.Kf3 Kg5 46.Nc4 Na4 47.Nd6 Nc3 48.Bd3 b2 49.Ne8 Na4 50.Ke3 f6 51.Kd2 Nc5 52.Bb1 Kg6 53.Kc3 Kf7 54.Nd6 Ke7 55.Nf5 (55.Nf5 Kd8 56.Kb2+-) 1–0. Estevez,Eric (1640) – Meunier,Dominique (1770), Provence–ch access Vitrolles, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.Na3 0-0 10.0-0 e5 11.d5 Na5 12.c4 b6 13.c5 bc5 14.Bd2 c4 15.Ba5 Qa5 16.Nc4 Qd8 17.Qd2 Nd7 18.Na5 Nc5 19.Nc6 Qc7 20.Rfb1 f5 21.Rb4 a5 (21...Nd3?! 22.Qd3 fe4 23.Qe4+=) 22.Bc2 fe4 (22...Ne4?! 23.Be4 fe4 24.Re4+=) 23.Ng5 Bg5 24.Qg5 Qf7 25.Qe3 ab4 26.Ra8 b3 27.Bb1 (27.Ra7 Bb7 28.Bb1-+) 27...Kh8 28.f3 (28.Qe2-+) 28...Qd5 29.Be4 Ne4 30.Qe4 Qc5 31.Kf1 d5 32.Qa4 (32.Qe5 Qc6 33.Ra1-+) 32...b2 33.Rb8 Qc1 (33...Ba6 34.Ke1 Qe3 35.Kd1 Qe2) 34.Kf2 b1Q (34...Qd2 35.Kf1 Rf3 36.gf3 b1Q 37.Rb1 Bh3 38.Kg1 Qg2) 35.Rb1-+ Qb1 0–1. Bezgodova,Svetlana (2250) – Ivakhinova,Inna (2215), RUS–ch (Women) 1st League, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.Na3 d5 10.e5 Nd7 11.Nb5 Nb6 (11...a6 12.Bg5 f6 13.ef6 Nf6 14.Qc2+=) 12.Ba3= Ba3 13.Ra3 0-0 14.Nd6 f5 15.h4 Qe7 16.Ng5 g6 17.f4 h6 18.h5?? (better is 18.Nf3+=) 18...hg5-+ 19.hg6 Qg7 20.Qh5 Ne7 (20...gf4!? 21.Nf7 Rf7 22.gf7 Kf8-+) 21.Qg5-/+ Ng6 22.Rh6 Ne7 23.Qh4 Nc4 24.Bc4 dc4 25.Kf2 Bd7 26.g3 Nc8 27.Rh5? Nd6-+ 28.ed6 Rf6 29.Ra2 Be8 30.Rg5 Rg6 31.Ke3 Rg5 32.fg5 Bg6 33.Qf4 a6 34.Ra5 b6 35.Ra2 Qb7 36.Qe5 Qe4 37.Kf2 Qe5 38.de5 Be8 39.Ke3 Kg7 40.Rh2 Bd7 41.Rh4 Rc8 42.Rh2 Rh8 43.Rb2 Bb5 44.Rb4 Rh3 45.Kf4 Rh1 46.Ke3 Rd1 0–1. Blaszczak,Jan (1685) – Toma,Katarzyna (2215), Lublin op, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    9.Nbd2 e5 10.d5 Nb8 11.Nc4 0-0 12.Be3 Na6 13.h3 Nd7 14.0-0 Ndc5 15.Bc2 f5 16.ef5 Bf5 17.Bf5 Rf5 18.g4 Rf7 19.Nce5? (better is 19.Qe2-/+) 19...de5-+ 20.Ne5 Rf8 21.c4 Bd6 22.f4 Nb4 23.g5 Qc7 24.Rb1 a5 25.Kh1 Ne4 26.Qg4 Be5 27.fe5 Qe5 28.Bf4 (28.Kg2 b5! 29.Bf4 Qd4-+) 28...Nf2! 29.Rf2 Qe4 30.Kh2 Qb1 31.Qe6 (31.Re2 Qg6-+) 31...Kh8 32.Kg3 (32.Qb6 Qe4 33.Bg3 Qc4-+) 32...Nd3 33.Qe4 Rf4 (better is 33...Rfe8 34.Rb2 Qg1 35.Rg2 Re4 36.Rg1 Nf4 37.Ra1-+) 34.Rf4 Qg1 35.Kh4 Nf4 36.Qf4 Qe1 37.Kh5 Qe2 38.Kh4 Re8 39.d6 Re4 (39...Re4 40.Kg3 Rf4 41.Kf4 Qc4 42.Ke5 Qc3 43.Ke6 Qh3 44.Ke7 Qe3 45.Kd7 Qg5-+) 0–1. Winkler,Daniel (1895) – Mikavica,Mirko (2205), Nagler Memorial op, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.Bg5 h6 10.Bh4 e5 11.Nbd2 ed4 12.cd4 0-0 13.0-0 Bg4 14.h3 (14.Qb1 Qd7=) 14...Bh5 (14...Bf3!? 15.Qf3 Nd4-/+) 15.Qb3= b6 16.e5 (better is 16.Qb5!? Bf3 17.Nf3=) 16...de5+= 17.de5 Nd7 18.Be7 Qe7 19.g4 Nc5 20.Qc3 Nd3 21.Qd3 Bg6 22.Qb5 Nb4 23.Ra4 Nd3 24.Rd1 Qc5 25.Qc5 Nc5 26.Ra2 Rfd8 27.Rda1 a6 28.Nc4 b5 29.Nd6 b4 30.Rc1? (better is 30.Nd4-/+) 30...b3 31.Ra5 Nd3 32.Rd1 (32.Rc6 b2 33.Nd2 Rdb8-+) 32...b2 33.Nd2 Ne5! 34.Nf5 Nf3! (34...Nf3 35.Kg2 Nd2 36.Ne7 Kh7 37.Ng6 Kg6-+) 0–1. Mavlyaveev,Vladimir (1745) – Grigorieva,Dana (1935), Sochi RUS, Doroshkevich Mem, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Nf3 Nf6 8.Bd3 Nc6)

    8.f4 0-0

    9.Nf3 b6 10.e5 de5 11.fe5 Nd5 12.h4 Bb7 13.Bh7 Kh8 14.Bd3 Qc7? (better is 14...Kg8!?+=) 15.Ng5+- g6 16.h5 Kg7 17.hg6 fg6 18.Ne6 Kg8 19.Nc7 Nc6 20.Nd5 Bd8 21.Qg4 Ne5 22.Qe6 Rf7 23.Qe5 Rg7 (23...Rh7 24.Qe8 Kg7 25.Rh7 Kh7 26.Qg6 Kh8 27.Qh7) 24.Qe8 1–0. Stone,Jim – Pichler,Andreas, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 0-0 9.Nf3 b6)

    9.Nf3 Nc6 10.0-0 b6 11.Ng5 e5 12.d5 Na5 13.f5 (13.Nf3 Qc7-/+) 13...Nb7 14.Nf3 Nc5 15.Re1 a5 (15...Bd7 16.Qe2-/+) 16.Ba3 (16.c4!?-/+) 16...Qc7-+ 17.h3 Ba6 (17...b5 18.Bc5 Qc5 19.Kh2-+) 18.Ba6-/+ Ra6 19.Qc2 b5 20.Nbd2 Rb8 21.Kh2 b4 22.cb4 ab4 23.Bb2 Rba8 24.Ra6 Ra6 25.Ra1? (better 25.Nb3!?-/+) 25...Ra1-+ 26.Ba1 h6 (26...Qa5 27.Bb2-+) 27.Qc4 Qb6 (27...Qa5 28.Bb2-+) 28.Ne1 (28.Bb2 b3 29.Ba3 b2 30.Bc5 Qc5-+ (30...dc5?! 31.Nb1-/+)) 28...Nfd7 (better 28...b3 29.Bb2 Qa5-/+) 29.Nc2? (better 29.Bb2-/+) 29...Bg5-+ 30.Nf3 (30.Nf1 b3 31.Nb4 Nf6-+) 30...b3 31.Nb4 Qa5 (31...Bf4!? 32.g3 Ne4 33.Qe4 Qf2 34.Kh1-+) 32.Bc3 Qa3 33.Ng5 hg5 34.Qe2 (34.Nd3 Nd3 35.Qd3 b2-+) 34...Nf6 35.Nc6 Qc1 36.Bb2 Qf4 37.g3 Qe4 38.Qe4 Nfe4 39.Na5 Nd3 40.Be5 (40.Nc4 Nb2 41.Nb2 Nc3-+) 40...Ne5 41.Nb3 Nc3 42.Nd4 Nd5 43.g4 Nc7 44.Kg3 Kf8 45.h4 gh4 46.Kh4 d5 47.g5 g6 48.Kg3 Ke7 49.fg6 (49.Kf4 Nc4-+) 49...fg6 50.Ne2 Ne6 51.Kh4 d4 52.Kg3 Kd6 53.Kf2 Kd5 0–1. Soukup,Jiri (2310) – Volfl,Zdenek (2255), CZE–ChT2B, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 0-0)

    9.Nf3 Nc6 10.0-0 Bd7 20.gf5 f6 21.ef6 Rf6?? (better is 21...Qf6 22.Ng4 Qd8+=) 22.Nd5!+- Qd8 23.Nf6 Qf6 24.Ne5 Nf5 25.Nd7 Qg7 26.Kh1 Qd7 27.Rg1 Kf8? 28.Bf5 ef5 29.Qe5 Qc6 30.d5 Qc3 31.Qf5 Ke7 32.Qe6 Kd8 33.Qd6 (33.Qd6 Ke8 34.Rg8 Kf7 35.Qe6) 1–0. Kuespert,Helmut (1970) – Roerig,Erwin (2005), Landesliga Nord, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6 8.f4 0-0 9.Nf3 Nc6)

    9.Nf3 Nc6 10.0-0 e5 11.d5 Na5 12.Kh1 (12.fe5 de5 13.Ne5 Re8=) 12...ef4=+ 13.Bf4 Bg4 14.Nbd2 Rc8 (14...b6 15.Qa4=+) 15.c4 (15.Nb3 Nc4=) 15...Nd7 16.Qa4 (16.Qb1 b6=) 16...Nc5-/+ 17.Qa3 Nd3 (17...Nab3 18.Nb3 Nd3 19.Be3=+) 18.Qd3=+ Qc7 (18...Re8 19.e5=+) 19.Nd4= a6?? (better 19...b6=) 20.Qg3+/- Bf6? (better 20...h5 21.h3 Nc4 22.hg4 Bf6 23.Nc4 Qc4+-) 21.Bd6+- (21.Qg4 Bd4 22.Bd6 Qd6 23.Ra5 Bc3-/+) 21...Qb6 22.c5 (22.Qg4?! Qd6 23.Nf5 Qd8 24.Nh6 Kh8 25.Ra5 Qa5 26.Nf7 Kg8+-) 22...Rc5 23.Rf6 (23.Qg4?! Qd6 24.Nf5 Qc7=) 23...gf6 (23...Rcc8 24.Nf5 Bf5+-) 24.Qg4 Kh8 25.Bf8 (25.Bf8 Qb1 26.Rb1 Rc1 27.Rc1 Nc4 28.Qg7) 1-0. Srihari,L R (2410) - Ognean,Mihnea_Ionut (2295), Titled Tuesday, 2021.

    9.Nf3 Qc7 10.Qc2 h6 11.0-0 Nbd7 (11...Bd7 12.Na3=+) 12.e5 (12.c4 e5=) 12...Nd5 Attacks the backward pawn on c3 13.Qe2 Re8 (13...de5 14.fe5 a5 15.c4=) 14.Bd2 N5b6 (14...de5 15.fe5 a6 16.Qe1=) 15.c4 d5 16.c5 Nc5 (16...Nc4!? 17.Bc4 dc4+=) 17.dc5 (17.Rc1 Bd7+-) 17...Bc5 (17...Nc4 18.Bc3+-) 18.Kh1 Qe7 19.Be1 (19.Nc3 Bd7+-) 19...Bd7 20.Nbd2 Na4 (20...Bb4 21.Nb3+-) 21.Nb3 (21.Bh4 Qf8 22.Bc2 b5+-) 21...Bb6 (21...Bb4 22.Nfd4+-) 22.Nbd4 White plans f5 (22.Nfd4 Rec8+-) 22...Rec8 23.f5 Nc3 24.Qb2 (24.Bc3 Rc3 25.f6 Qb4+- (25...gf6? 26.ef6 Qf6 27.Ne5+-)) 24...Na4 (24...Ne4 25.Qb3+-) 25.Qd2 Bd4? (better 25...Nc5 26.f6! Qf8+-) 26.Nd4+- ef5 (26...Nc5 27.f6 Qf8 28.Bc2+-) 27.Nf5 Qe5 (27...Bf5 28.Bf5 (28.Rf5?! Nc5+-; 28.Ra4?! Bd3 29.Qd3 Qe5+=) 28...Rc4 29.Qd5+-) 28.Bg3 Qc3 (28...Qf6 29.Nd6 Qg5 30.Qg5 hg5 31.Rf7 Rf8 32.Rd7 Nc5+-) 29.Ne7 Kh8 (29...Kf8 30.Qe2 Rc6 31.Nd5+-) 30.Qc3 Rc3 31.Be5 Be6 (31...f5 32.Bf5 Bf5 33.Ra4 Bc2+-) 32.Bc3 (32.Rf6! Rc1 33.Rc1 Bf5 34.Rh6 Bh7 35.Rh7) 32...Nc3+- 33.Ra3 d4 (better 33...Ne4+-) 34.Rf4 Re8 35.Rd4 Nb5 (35...g5 36.Ng6! Kg7 37.Rc3 Bf5+-) 36.Bb5 Re7 37.Rd8 Kh7 38.Bd3 g6 (38...f5 39.Ra7 Kg6 40.Kg1+-) 39.Ra7 1–0. Zherebukh,Yaroslav – Vasquez Iii,Simon, PanAm, 2013. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6 8.f4 0-0 9.Nf3 Qc7)

    9.Nf3 Nbd7 10.e5 de5 11.fe5 Nd5 12.0-0 N7b6 13.Qc2 h6 14.Qf2 f5 15.ef6 Rf6 16.Ra2 Qc7 17.Qe1 Bd7 18.Qe4 Be8?? (better is 18...Rf5=) 19.Qh7+- Kf8 20.Qh8 Kf7 21.Ne5 (21.Ne5 Qe5 22.de5 Bc5 23.Kh1 Rf1 24.Bf1+-) 1–0. Tatlow,Stephen – Gilltrap,A, corr, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 0-0 9.Nf3 Nbd7)

    8.f4 Nc6

    9.e5 Nd5 10.Nh3 Qb6 (10...Bh4 11.g3 Be7 12.Ba3=+) 11.Ra2 Bd7 12.Rb2 Qc7 13.0-0 White plans f5 13...g6 14.g4 White prepares the advance f5 (14.Nf2 f6 15.ed6 Bd6=+) 14...h5 (better 14...0-0-/+) 15.f5? (better 15.g5!?-/+) 15...gf5-+ 16.gf5 (16.ed6 Qd6 17.gf5 Nc3 18.Nc3 Qd4 19.Nf2 Qc3 20.Rb7 Rg8 21.Kh1 Ne5 (21...ef5 22.Rd7 Kd7 23.Bf5 Kc7 24.Qd7 Kb6 25.Be4=+) 22.fe6 Bc6 23.Be4 Rg4-+ (23...Bb7 24.Bb7 Rb8 25.Qa4 Kf8 26.Bh6 Rg7 27.Bg2+=)) 16...de5 17.c4 (17.Ng5 Bg5 18.Bg5 ed4 19.cd4 Nd4 20.fe6 Ne6-+) 17...Ndb4 18.fe6 (18.f6 Nd3 19.Qd3 Bd6-+) 18...Be6 19.d5 (19.Ng5 Bg5 20.Bg5 Nd3 21.Qd3 Nd4 22.Nd2-+) 19...Bh3 20.dc6 (20.Rf3 Rg8 21.Kh1-+) 20...Rg8 21.Kh1 Qc6 (better 21...Nd3 22.cb7 Qb7 23.Qf3 Qf3 24.Rf3 Bc5-+) 22.Rf3 (22.Be4 Qe4 23.Qf3 Qf3 24.Rf3-+) 22...Nd3 23.Qd3 e4 (23...e4 24.Qd5 ef3 25.Qc6 bc6-+; 23...Bc5 24.Qd8 Rd8 25.Be3 Qf3 26.Rg2 Qg2) 0-1. Soukup,J (2390) - Heinemann,T (2500), Titled Arena Apr 3rd, 2021. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3)

    9.Nf3 0-0 10.0-0 b6 11.Nbd2= d5 (11...Rb8 12.Qe2=) 12.e5 Ng4 13.Nb3 (13.Qe2 g6=) 13...f5 (13...Nh6 14.Ng5 g6 15.Rf3=) 14.ef6= Nf6 (worse is 14...Rf6 15.Ng5 h6 16.Nh7+=) 15.Qe2 Bd6 16.Ne5 Qc7 17.Nd2 Bb7 18.Bb2 Na5 (18...a5 19.Qe3=) 19.Rf3 (19.Ndf3 Ne4 20.Be4 de4+=) 19...Rae8 20.Rh3 g6 21.Ndf3 Ne4 Attacking the backward pawn on c3 22.Qe3 a6 (22...Nc3 23.Rc1 Nc4 24.Bc4 dc4 25.Bc3 Bf3 26.Rf3 (worse is 26.Nf3 Bf4 27.Qe1 Bc1 28.Qc1 Rf5-/+; 26.Qf3?! b5+/-; 26.gf3?! a5+/-) 26...Be5 27.de5+-) 23.c4 b5 24.cb5 (24.c5 Be5 25.Ne5 Nc4 26.Nc4 bc4 27.Be4 de4+=) 24...ab5 25.Bb5 Ra8 26.Bd3 Nc6 27.Rc1 Qb6 28.Rb1 (28.Be4 de4 29.Nc4 Bf4 30.Qf4 Rf4 31.Nb6 ef3 32.Rf3 Rf3 33.gf3 Ra2+=) 28...Qa7 (28...Ne5 29.fe5 Bb4 30.Bc1=) 29.Be4 de4 30.Ng5 Ne5 31.fe5 Qa2 32.Qc1 e3 33.ed6 (33.Rh7 Rac8 34.Qe1-+) 33...Rac8-/+ 34.Qe1 Rf2 35.Rg3 Rcc2 36.Nf3 Rce2 37.Qd1 (37.Qc1 Qd5 38.Qd1 Qd6-+ (38...Rb2?! 39.Rb2 Rb2 40.Qc1+=)) 37...Bf3-/+ (37...Rb2?! 38.Rb2 Rb2 39.d7+=) 38.gf3 Kf8 39.d7? (better is 39.d5 Rb2 40.Rb2 Qb2 41.de6-+) 39...Ke7-+ (39...Ke7 40.Ba3 Qa3-+) 0–1. marekt (1985) – deynonicus (2285), gameknot.com, 2014. (=1.b4 c5 2.e4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.f4 Nc6)

    9.Nf3 0-0 10.0-0 d5 11.e5 Ne4 12.Qe2 f5 13.ef6 Bf6 ½–½. Halvarsson,Peter (1845) – Kucuksari,Kaan (2250), Elite Hotels Vaxjo Open (1), 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.f4 Nc6)

    9.Nf3 0-0 10.Qc2 e5 (10...h6 11.0-0=+) 11.fe5 de5 12.d5 Nb8 13.Ne5 Re8 (13...Bc5 14.Bg5=+) 14.Nc4 (14.Be3!?=) 14...Nd5!-/+ 15.0-0 (15.ed5 Bc5 Double attack (15...Bc5 Decoy)) 15...Bc5 16.Kh1 Nb6 17.Nbd2 Nc4 18.Nc4 Nc6 19.Bf4 Be6 20.e5 g6 (20...Kh8!?-/+) 21.Nd6= Ne5 22.Ne8 Nd3 23.Nf6 Qf6 24.Qd3 Qe7 25.Qg3 a5 26.Rad1 a4 27.Bg5 Qf8 28.Bf6 a3 29.Qf4 Be7 (29...b5 30.Bd4=+) 30.Bd4 Qb8 31.Be5 (31.Qh6 Bf8 32.Qg5 Bg7=) 31...Qc8=+ 32.Bd4 Qb8 33.Be5 Qc8 34.Bd4 Qb8 (34...a2!?=+) 35.Be5= Qc8 ½–½. Stashis,Anna (1830) – Zamaliev,Ruzat (2005), 37th Nezhmetdinov Memorial, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nc6)

    9.Nf3 a6 10.0-0 0-0 11.Qe1 Bd7 12.Nbd2 b5 13.e5 Ne8 14.g4 d5 15.Kh1 b4 16.Ng5 Bg5 (16...bc3 17.Bh7 Kh8 18.Qh4 Bg5 19.fg5 Qg5 20.Qg5 Kh7 21.Ba3+-) 17.fg5 Qg5 18.Ne4 Qg4 19.Ng5 (19.Nc5 Bc8 20.Rf4+=) 19...Nd4?? (19...bc3 20.Bh7 Kh8=) 20.Bh7 Kh8 21.cd4 Bb5 (21...Qd4?? 22.Be4! Kg8 23.Bb2 Qe4 24.Ne4 de4 25.Qb4+-) 22.Rg1 Qh5 (22...Qd4?? 23.Be4! Kg8 24.Bb2 Qe4 25.Ne4 de4 26.Qb4+-) 23.Bc2 Kg8 24.Qb4 Nc7 25.Ra3 g6 (25...Be2 26.Rh3 Qh3 27.Nh3 Bf3 28.Rg2 Rab8+-) 26.Rh3 Qe2 (26...Qh3 27.Nh3 Be2+-) 27.Nf7! (27.Nf7 Qh5 28.Bg6 Qh3 29.Bf5 Kf7 30.Bg6 Kg8 31.Be8 Kh7 32.Qe7 Rf7 33.Qf7 Kh8 34.Qg7) 1–0. Tatlow,Stephen – Ryan,John P, GB open ch corr, 1993. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nc6)

    9.Nf3 d5 10.e5 Ne4 11.0-0 0-0 12.Qc2=.

    9.Nf3 d5 10.e5 Ne4 11.0-0 f5 12.ef6 gf6 13.Nbd2 f5 14.Ne5 Ne5 15.fe5=.

    9.Nf3 d5 10.e5 Ne4 11.0-0 f5 12.ef6 Bf6 13.Ng5 (13.Qc2+=) 13...g6?? (13...Nc3!? 14.Nc3 Bd4 15.Kh1 Bc3=+) 14.Ne4 (better 14.Be4!? de4 15.Ne4+-) 14...de4= 15.Be4 Nd4 16.Kh1 (16.Be3 Nf5 17.Ra7 Ra7 18.Ba7 Qa5=) 16...Nc6 (16...Nf5 17.Qe2 0-0 18.Nd2-/+) 17.Qa4 (17.Qc2 0-0=) 17...Bd7 (17...0-0 18.Be3=+) 18.Ba3 (18.Qa3 Qc7=+) 18...Qa5 Attacking the isolated pawn on c3 (18...Nd4 19.Qd1 Nb5 20.Bb4=+) 19.Qb3 Qb6 (19...Rd8 A) 20.Qb7?? Rb8 21.Bd6 Rb7 (21...Qa1?! 22.Bb8 Qa4 23.Bc6 Bc6 24.Qa7=+) 22.Ra5 Na5-+; B) 20.Qa2=) 20.Qc2 Ne7 21.Nd2 Qc7 (21...Rc8 22.Rf3=) 22.Rab1+= Qc3 (22...Rb8 23.Nf3+=) 23.Qc3 (23.Qa2 Rc8 24.Bb4 Qd4 25.Bb7 Nd5 26.Bc8 Bc8+-) 23...Bc3 24.Bb7 Rd8 25.Ne4 Bd4 (25...Bg7!?+=) 26.Rfd1+- Ba4 27.Re1 (27.Rdc1 Bb6 28.Nd6 Rd6 29.Bd6 Kd7+-) 27...Nf5? (better 27...Bc2!? 28.Rb5 Bd3=) 28.Ng5 (28.Rb4 Bd7 29.g4 a5+-) 28...Be3 (28...e5!?+-) 29.g4 (29.Ne6 Bc2 30.Bc6 Kf7 31.Nd8 Rd8 32.Rb7 Kg8+-) 29...Rb8 (29...Rd3 A) 30.gf5?! Ra3 31.Rb4 0-0 (31...ef5? 32.Ra4 Rc3 33.Ra7+-) 32.Ra4 Ra4 33.Re3 Rf5= (worse 33...ef5 34.Bd5 Kg7 35.Re7 Kf6 36.Rd7 Rf4 37.Nh7 Ke5 38.Nf8+-; 33...Rf4 34.fe6 Re8 35.Bc6+-); B) 30.Ra1 Nh6 31.Bb2+-) 30.Be4 (30.Rb4 Bd7 31.gf5 Rb7 32.Re3 Rb4 33.Bb4 gf5 34.Ne6 Bc6 35.Kg1 Rg8 36.Kf1 Bg2 37.Kf2 Bh1 38.Nd4 Kf7 39.Nf5 Rg2 40.Kf1 Rc2 41.Nd6 Kg6 42.f5 Kg5 43.Rg3 Kf4+-) 30...Rb1 (30...Kd7 31.Rb8 Rb8 32.gf5 ef5 33.Bf5 gf5 34.Re3 h6 35.Re7 Kc8+-) 31.Bb1?? (better 31.Rb1 Bb6 32.gf5 gf5 33.Bf3+-) 31...Bc6+= 32.Be4 Be4 33.Ne4 Bf4 34.gf5 gf5 (34...ef5 35.Nc3 Kd7 36.Re7 Kc6 37.Ra7+=) 35.Nc5 (35.Bb2 Rf8 36.Nc5 Kf7+=) 35...Kf7 36.Re6 Rc8? (36...Rd8!?+=) 37.Ra6+- Rc7? (better 37...Be3!? 38.Ra7 Kg6+-) 38.Ne6+- Rc4 39.Nf4 Rf4 40.Ra7 Kg6 41.Bf8 (41.Kg2 Rc4 42.Bd6 h6+-) 41...h5 (41...Rf2 42.Kg1 Re2 43.Rg7 Kf6 44.Rh7+-) 42.Ra6 Kf7 43.Bh6 Rg4 (43...Re4 44.h3+-) 44.h3 Re4 (44...Rb4 45.Bg5+-) 45.Bg5 Kg7 (45...Ke8 46.Kg2+-) 46.Kg2 Rc4 (46...h4 47.Rh6+-) 47.h4 Rg4 (47...Rb4 48.Rf6+-) 48.Kf3 Rc4 (48...Rb4 49.Rf6+-) 49.Rf6 Rc1 (49...Rc3 50.Kf4 Rc4 51.Kf5 Rc5 52.Ke4 Rc4 53.Kd5 Rg4+-) 50.Bc1 (50.Bc1 Kf6 51.Kf4+-) 1–0. Vela Ignacio,Jose Manuel (1980) – Septien Lopez,V (1840), 25th Championship de Espana Individual, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6 8.f4 Nc6)

    9.Nf3 d5 10.e5 Ne4 11.0-0 f5 12.ef6 Nf6 13.Ne5 0-0 14.Nd2 Qc7 15.Qf3 (15.Ba3 Ba3 16.Ra3 Qd6=) 15...b6 (15...Ne5 16.de5 Ne8 17.c4=+) 16.Qh3 Bd6 17.Ndf3 Ne4 (17...Ne5!? 18.Ne5 a5=+) 18.Be4= de4 19.Ng5 Exerts pressure on the isolated pawn 19...h6 20.Ne4 Be5 21.de5 Ne7 22.Ba3 Rf7? (better 22...Rd8!?+/-) 23.Nd6+- Rf8 24.Rf3 (better 24.Nc8!? Rac8 25.Qe6 Rf7 26.f5+-) 24...Re8?? (better 24...Qd7+/-) 25.Ne8+- (25.Ne8 Qd8 26.Ng7 Kg7 27.Qh4+-) 1-0. Rozman,Levy (2340) - Sachdev,T (2390), IM Not A GM Speed Chess, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.f4)

    9.Nf3 d5 10.e5 Ne4 11.Qc2 +=.

    9.Nf3 Bd7 10.0-0 Qc7 11.e5 Nd5 12.Bd2 g6 (12...0-0 13.Na3 de5 14.fe5=) 13.Na3= Rd8 (13...0-0 14.Nb5 Qb8 15.Qb3 de5 16.fe5=) 14.Qb3 (14.c4 Ndb4 15.Nb5 Qb8 16.Bb4 Nb4 17.Na7 de5 18.fe5 0-0+/-) 14...a5 (14...Na5 15.Qa2 de5 16.Nb5=) 15.Rfb1 (15.Nb5 Qb8+/-) 15...Bc8 16.Nb5 Qb8 17.Be4 (17.c4 Nc7+/-) 17...0-0 (17...de5 18.fe5 f5 19.Bd5 ed5 20.c4+/-) 18.c4+/- (18.Bd5?! ed5 19.ed6 Bd6 20.Nd6 Qd6=) 18...Nc7? (better is 18...Ndb4 19.Bc6 Nc6 20.Ba5 Na5 21.Ra5 Bd7+/-) 19.Nd6+- (19.ed6?! Bd6 20.Nd6 Rd6+-; 19.Ba5?! Na5 20.Ra5 d5+/-) 19...Bd6 20.Bc6 (20.ed6?! Rd6 21.Qb2 Ne8+/-) 20...Bb4 21.Bb4 ab4 22.Qb4 Ne8 (22...b5 23.Bb5 Nb5 24.Qb5+-) 23.Bb7 Bb7 24.Qb7 Ng7 25.Qb8 Rb8 26.d5 Rb1 27.Rb1 ed5 28.cd5 Nf5 29.d6 h5 (29...Ra8 30.h3+-) 30.Ng5 Rd8 (30...Nd4 31.g3+-) 31.Rb7 Nh6 32.Ne4 (32.Kf2 h4+-) 32...Kf8 33.Kf2 1–0. Peeters,T (2040) – Vanhee,F (1960), Open Geraardsbergen BEL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.g4? d5-+ 10.e5 (10.Nd2 de4 (10...Ne4 11.Ne4 de4 12.Be4 Bh4 13.Ke2 Be7 14.Nf3 Bd7 15.Qd3 h5 16.g5-/+) 11.Ne4 Ne4 12.Be4 Bh4 13.Kf1 f5 14.gf5 ef5 15.Bc6 bc6 16.Qe2-/+) 10...Ne4 11.Be4 de4 12.Be3 (12.Nd2 Qd5 13.Qc2 Bh4 14.Ke2 h5 15.Ne4 hg4 16.Nd6-/+) 12...b6 (12...Bh4 13.Kf1 (13.Ke2 Qd5 14.Na3 b5 15.Kd2 Na5 16.Rb1-+) 13...Ne7 (13...b5 14.Nd2 Be7 15.Ne4 Bb7 16.Qf3-/+) 14.c4-+ (14.Qc2 Nd5 15.Ke2 b5 16.Nd2-/+) 14...0-0 15.Kg2 f5 16.g5-/+) 13.c4? (better is 13.Ne2!? A) 13...h5 14.gh5-/+ (14.g5 Bb7 15.Nd2 b5 16.Qb3+=) 14...Bb7 15.Ng3 b5 16.f5=; B) 13...Bh4 14.Ng3 Ne7 15.Ke2 Qd5 16.Ke1-/+) 13...Bb7 (13...h5 14.g5 Nb4 15.Ne2 Nd3 16.Kf1-+) 14.d5 (14.Ne2 Bb4 15.Nd2 Qh4 16.Ng3 Nd4-+) 14...Bb4 (14...Nb4!? 15.d6 Bh4 16.Kf1-+) 15.Ke2 (15.Kf1 a5 16.Ne2 ed5 17.cd5 Ne7-+) 15...Qh4 16.h3?? (16.Kf1 0-0-0 17.Bf2-+) 16...ed5 (16...Qg3 17.dc6 Qg2 18.Bf2 Bc6 19.Qb3-+) 17.cd5 (17.Bf2 Qh6 18.cd5 Qf4-+) 17...a5 18.Qc1 (18.Kf1 Qg3 19.Bf2 Ba6 20.Ne2-+) 18...Ba6 19.Kd1 Ne7 20.Ne2 Rc8 21.Qb2 (21.Nbc3 Be2 22.Ke2 Rc3-+) 21...Nd5 22.Bd4 (22.Qd4 Rd8 23.Kc1 Be2-+) 22...0-0 0–1. Boudry,William (1705) – Psyk,Radoslaw (2105), 25th EY BU14, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6 8.f4 Nc6)

    9.Nf3 Qc7

    10.0-0 0-0 11.Qc2 h6 +=.

    10.0-0 0-0 11.Nbd2 a6 12.e5 Ne8 13.Ne4 f5 14.ed6 Nd6 15.Nd6 Bd6 16.g3 (16.Qe1 Bf4 17.Bf4 Qf4+=) 16...Bd7 17.Ba3 b5 18.Bd6 Qd6 19.Re1 Rfc8 20.Qb3 Qd5 21.Qd5 ed5 22.Ne5 (22.Kf2 Ra7+=) 22...Ne5 23.Re5 Rc3 24.Bf5 Bf5 25.Rf5 b4 26.Rd5 b3 27.Kg2 (27.Rc5 Rc5 28.dc5 a5-+) 27...b2 28.Rb1 Rc2 29.Kh3 Re8 30.Re5 (30.Rc5 Ree2-+) 30...Re5 (30...Kf7 31.Rf5 Ke6 32.Re5 Kd7 33.Kg4-+) 31.fe5 Kf7 32.d5 Rd2 (32...a5!? 33.e6 Ke7 34.Kg4-+) 33.Kg4 a5 34.Kf5? a4 35.d6 a3 36.e6 Ke8 37.Ke5 a2 38.d7 Rd7 39.ed7 Kd7 40.Rd1 Ke7 0–1. Neubauer,Martin – Gattermayer,Robert, AUT–ch sf Finkenstein, 1990. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nc6)

    10.0-0 0-0 11.Nbd2 a6 12.e5 Ne8 13.Ne4 f5 14.ef6 Nf6 15.Nfg5 Ne4 16.Be4 Bg5 17.fg5 Rf1 18.Qf1 Ne7 19.Qf3 Bd7 20.Bd2 Ng6 21.Bg6 (21.Bb7 Rf8 22.Qe4 d5 23.Bd5 ed5 24.Qd5 Kh8 25.Ra6 Nf4-+) 21...hg6 22.Qe4 ½–½. Lach,Bernhard – Fiensch,Guenther, BdF JZ1–1 Jub, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nc6 9.Nf3 Qc7)

    10.0-0 0-0 11.e5 Ne8 (11...Nd5 12.Be4+=) 12.Qc2 h6 13.Na3 Bd7 14.Nc4 (14.Nb5 Qd8=) 14...d5+= 15.Ne3 Rc8 16.f5 f6 (better is 16...b5=) 17.fe6+/- Be6 18.Nh4 f5 19.Bf5 (19.Nef5?! Bh4 20.Ba3 Bf5 21.Bf5 Rf5 22.Qf5 Be7+=; 19.Nhf5?! Bg5+=) 19...Bf5 20.Nhf5 (20.Nef5 Bh4 21.Ba3 Rf7 22.Nh4 Nd4=) 20...Rd8 (20...Qd7 21.Ne7 Qe7 22.Rf8 Qf8 23.Ba3+- (23.Nd5?! Qf7 24.Qe4 Rd8+-)) 21.Qb3 (21.Ne7?! Qe7 22.Rf8 Qf8+/-) 21...Qb6 22.Qb6 ab6 23.Ne7 Ne7 24.Rf8 Kf8 25.Ba3 Kf7 26.Rf1 Ke6 27.Be7 Ke7 28.Rb1 Nc7 29.Rb6 Rb8 30.Nf5 (30.Nf5 Kf7 31.g4+-) 1–0. Meijer,Wilmar (1930) – Berkley,Stephen (1650), IECC, 2000. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nc6)

    10.0-0 a6 11.e5 Nd5 12.Qc2 Bd7 13.Bh7 (13.Na3 Rc8+=) 13...Rc8 (13...g6 14.Bg6 fg6 15.Qg6 Kd8 16.c4-/+) 14.Bd2 (14.Be4!?=) 14...Ncb4 (14...g6!? 15.Bg6 fg6 16.Qg6 Kd8=) 15.Qe4+= Bc6 (better is 15...Bb5!? 16.cb4 Bf1 17.Kf1 g6 18.Bg6 fg6 19.Qg6 Kd7=) 16.cb4+= Nf6 (16...Nb6!? 17.ed6 Be4 18.dc7 Rh7+=) 17.ef6+/- Be4 18.fg7 Rg8 19.Bg8 (worse is 19.Be4 Qb6+=) 19...Bf6 20.Nc3 Bf3 21.Rf3 Bd4 22.Kh1 Bg7 23.Rc1 Qb6 24.Ne2 (24.f5 Qd4 25.Rc2=) 24...Rc1= 25.Nc1 Qd4 26.Rd3 (26.Nd3 Qa1 27.Ne1 Bd4-/+) 26...Qa1 (26...Qf2 27.h4 Bb2-+) 27.Rd6+= Bb2 28.Bf7 Kf7 29.Rd7?? (better is 29.Be3!?-+) 29...Kf6 (better is 29...Ke8!? 30.Rc7 Qa4 31.Ne2 Qd1 32.Ng1-+) 30.Be3 Qa4 31.Rd6 Ke7 (better is 31...Qc2 32.Na2 Qb1 33.Bg1 Qa2-+) 32.Bc5+= b6 (better is 32...Kf7!? 33.Ne2 e5+=) 33.Rb6+= Kf6 34.Ne2 Qd1 35.Ng1 Bd4 36.Bd4 Qd4 37.Ra6 Qb4 38.Ra8 Kf5 39.Rh8 Kg4 40.Rh3 ½–½. Knorr,Bernd – Leisebein,Peter, corr Germany, 1993. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 Nc6 9.Nf3 Qc7)

    10.0-0 e5 11.d5= Nb8 12.Qc2 Nbd7 13.Na3 Nc5 14.Nc4 (14.Bb5 Kd8 15.Ng5 Rf8+=) 14...Nce4!-/+ 15.fe5 (15.Be4 Qc4) 15...de5 16.Nfe5 Qc5 17.Be3 Qd5 18.Be4 Qe4 (18...Ne4? 19.Rad1 (19.Rf7 Nd6 20.Re7 Ke7 21.Bg5 Ke6+/-) 19...Qb5 20.Qe4+-) 19.Qe4 Ne4 20.Nb6 Rb8 21.Nc8 (21.Nd5 f6 22.Ba7 Bc5 (22...fe5?! 23.Bb8 Bc5 24.Kh1+=) 23.Bc5 Nc5+= (23...fe5? 24.Ba7 Be6 25.Bb8 Bd5 26.Be5+-)) 21...Rc8-/+ (21...Nc3? 22.Ne7 Ke7 23.Ba7+- (23.Rf7?! Ke6+-)) 22.Ra7 Bf6 (22...f6 23.Nf3+=) 23.Ng4 (23.Bd4 0-0 24.Re1 Nc3 25.Rb7 Rfe8+=) 23...Bc3-/+ (worse is 23...Rc3 24.Rf4 Nd6 25.Rf6+/-) 24.Rb7 0-0 25.g3 Nf6 (25...Rfe8 26.Rf3-/+) 26.Nf6 Bf6 27.Kg2 Rc3 28.Bf4 Re8 29.Rb8 (29.Re1 Rcc8 30.Re8 Re8-/+) 29...Rb8-/+ 30.Bb8 h6 31.h4 Bd4 32.Bf4 f6 33.Rf3 Rc2 34.Kh3 g5 35.hg5 hg5 36.Bd6 Kg7 37.Kg4 Kg6-+ 38.Rf1 Rc3 39.Bb8 Re3 40.Bd6 Be5 41.Be5-/+ Re5 42.Rf2 Re3 43.Kh3 f5 44.Kg2 Kf6 45.Ra2 Rd3 46.Ra5 Rd2 47.Kf3 g4 48.Ke3 Rg2 49.Kf4? Rf2 50.Ke3 Rf3 51.Ke2 Rg3 0–1. Kavuza,Vitaly – Muntian,Andrey, UKR–ch sf U14, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    10.0-0 e5 11.d5 Nb8 12.h3 0-0 13.f5 Nbd7 14.Qe2 Nc5 15.Bc2 Qb6 16.Kh2 Bd7 17.Na3 Rfc8 18.g4 Ba4 19.g5? (better is 19.Nd2!?-/+) 19...Bc2-+ 20.gf6? (20.Nc2 Nfe4 21.Ra3-+) 20...Bd3 21.Qg2 Bf6 22.Rg1 Ne4 23.Bh6 Qf2 24.Qf2 Nf2 25.Bg7 Bg7 26.f6 Bg6 27.fg7 Kg7 (better is 27...Rc3 28.Ne1-+) 28.Nb5 Ne4 29.Rae1 f5 (better is 29...Rc5!? 30.Re4 Rb5 31.Rb4 Rd5 32.Rb7-+) 30.Nh4 Kf6 31.Ng6 hg6 32.Re4 fe4 33.Nd6 Kg7 34.Nc8 Rc8 35.Rb1 b6 36.Ra1 Rc7 37.Ra4 Kf6 38.Kg2 Kf5 39.c4 Kf4 40.Kf2 Rh7 41.Ke2 g5 42.Ra3 Rd7 43.Rb3 Rc7 44.Rb4 Kf5 45.Kf2 Rc5 46.Ke3 Ra5 47.Rb3 Ra1 48.Kd2 Ra2 49.Kd1 Rh2 50.Ra3 a5 51.Rb3 a4 52.Ra3 Kf4 53.d6 e3 54.Ra4 Kf3 55.Ra7 Rh1 56.Kc2 e2 57.Ra3 Ke4 (57...Ke4 58.Kd2 e1Q 59.Kc2 Qb1 60.Kc3 Rc1 61.Kd2 Qc2) 0–1. Buryshin,V (1980) – Bereziuk,Y (2070), ch–UKR b18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.f4 e5

    9.fe5 de5+= 10.Nf3 ed4 11.0-0? (better is 11.cd4!? 0-0 12.Nc3+=) 11...Nc6-/+ 12.e5 (12.cd4 Nd4 13.Be3 Nf3 14.gf3 0-0-+) 12...Nd5 (better is 12...Ng4-+) 13.Nd4?? (better is 13.cd4 0-0 14.Qe2-/+) 13...Nc3!-+ (13...Ne5?! 14.Bb5 Bd7 15.Re1-/+) 14.Qf3 Qd4 15.Be3 Qd3 16.Qf7 Kd8 17.Qf3 Ne5 18.Qf2 Rf8 (18...Rf8 19.Nc3 Rf2 20.Bf2 Qc3-+) 0–1. Perez Reclusa,J (2225) – Granero Roca,A (2380), TCh–ESP Div, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.Nf3 ed4 10.cd4 0-0 =.

    9.Nf3 ed4 10.cd4 d5 11.e5 Ne4 12.Nbd2 f5 13.ef6 Nf6 14.Ne5 0-0 15.0-0 Nc6 16.Ndf3 Bg4 17.Ng4 Ng4 18.Ng5 Qb6 19.Bh7 Kh8 20.Ra4 Bg5 21.Qg4 Kh7 22.Qg5 Qb5 23.Qh5 Kg8 24.Qd1 Rae8 25.Ra3 Re4 26.Rb3 Qa6 27.Qh5 Qc4 28.Rb7 Rfe8?? (better is 28...Qd4 29.Kh1 Nb4=) 29.Qf7 (29.Qf7 Kh7 30.Qg7) 1–0. Dubov,Danil (2110) – Sidorchuk,Roman (2160), Moscow Petrosian Memorial U18, 2008. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 e5)

    9.Nf3 Nbd7 10.0-0 0-0 11.h3 Qc7 12.g4 (12.Qb3 a6+=) 12...ef4 13.Bf4 b6 14.Nh4 (14.Nfd2 h6+=) 14...Bb7 15.Nf5 Rfe8 16.Qf3 Bf8 17.Re1 (17.Ng3 h6=) 17...Qc6 18.Ng3 h6 19.h4 Nh7 20.Ra2 a5 21.g5 hg5 22.hg5 g6 23.Rh2 Bg7 24.Bd2 Ndf8 25.Na3 Ba6 26.Rf1 (26.Ba6 Ra6 27.Kg2 b5+=) 26...Re7 (26...Bd3 27.Qd3 Ne6 28.Qc4 Qc4 29.Nc4 Neg5 30.Nd6-/+) 27.Rhf2 (27.Ba6 Ra6 28.Qe2 Ra8+=) 27...b5 (27...Bd3 28.Qd3 d5 29.Re2-/+) 28.Nc2 b4 (better is 28...Qd7!?+=) 29.cb4+= Bd3 30.Qd3 a4 31.Ne3 Rea7 32.Nd5 Rb8 33.Rc1 Qd7 34.Nf6 Bf6 35.gf6 Qd8 36.d5 Nd7 37.Bc3 Ne5 38.Be5 de5 39.Qc3 Qd6 40.Qe3 Ra6 41.Qh6 Qf8 42.Qh4 Kh8?? 43.Rh2+- Qg8 44.Qg5 Rb4?? 45.Rh7! (45.Rh7 Qh7 46.Rc8 Qg8 47.Qh4#; 45.Qe5?! Qb8+=) 1–0. Soukup,Jiri (2085) – Bernasek,Jan (2160), CZE–ch U18/20, 2000. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.Nf3 ef4 10.Bf4 0-0 11.Nbd2 Qc7 12.Qc2 h6 13.0-0 Nh5 14.Be3 a6 (14...Nc6 15.Nc4=) 15.Rf2 (15.e5 Nc6 16.ed6 Bd6=) 15...Nc6 16.Raf1 (16.Rb1 Nf6 17.d5 Ne5 18.Ne5 de5=) 16...b5 (16...Nf6 17.h3+=) 17.h3 (17.d5 Na5+=) 17...Ng3 (17...Bd7 18.Rb1+=) 18.Re1 f5 (18...Bd7 19.Bf4 Nh5 20.Bh2=) 19.Nh2 (19.d5 Na5 20.Nd4 Ne4 21.Ne4 fe4 22.Rf8 Kf8 23.Rf1 Bf6 24.Be4 Kg8+=) 19...fe4 (19...Nh5 20.Qd1 (worse is 20.ef5 Bh4-/+) 20...f4 21.Qh5 fe3 22.Rf8 Bf8 23.Re3=) 20.Rf8 Bf8 21.Ne4 Nf5 (21...d5 22.Qa2 Kh8 23.Qd5+=) 22.Bf4 (22.Nf6 gf6 23.Bf5 Ne7 24.Bc8 Rc8+=) 22...Ncd4 (22...Qf7 23.Rf1 d5 24.Nd6 Bd6 25.Bd6+=) 23.cd4+= Qc2 24.Bc2 Nd4 25.Bb1 (25.Bd1 d5 26.Nd6 a5+=) 25...d5 26.Ba2 (26.Nd6 b4+=) 26...Bb7 (26...Be6 27.Nf2=) 27.Bd6 (27.Nd6 Nc2 28.Rc1 Nd4 29.Nb7 Ne2 30.Kf1 Nf4+/-) 27...b4 28.Bf8 Rf8 29.Nc5 Bc6 (29...Ba8 30.Nb3 Nb5 31.Nf3+=) 30.Nb3 (30.Re4 b3 31.Nb3 Nb3 32.Bb3 Rb8+/-) 30...Rf4 (30...Nb5!?=) 31.Nd4+/- Rd4 32.Nf3 Rf4 33.Re6 Bb5 34.Bd5 Kf8 35.Ne5 (35.Rb6 Rf6 d6+=) 35...Rf1 36.Kh2 Rd1 (36...Rf6!? 37.Rf6 gf6+=) 37.Ng6+- Kf7 38.Rd6 (38.Ba2!? Rd2 39.Ra6 Ke8 40.Re6 Kd8 41.Bb3+-) 38...Rd5+= 39.Nh8 (39.Rd5 Kg6 Deflection (39...Kg6 Overloading)) 39...Kg8 40.Rd5 Kh8 41.Rd4 Kg8 (41...a5 42.Rd5 Bc4 43.Ra5+=) 42.Rb4+/- Kf7 43.Re4 (43.Kg3 Ke7+/-) 43...Bd7 ½–½. Janzekovic,Klemen (1860) – Zelenika,Zoran (2095), Hum na Sutli CRO, 8th Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    9.Nf3 Bg4 10.Qa4 Bd7 (10...Nfd7 11.0-0 0-0 12.Qb3=) 11.Qb3= ef4 12.Bf4 0-0 13.Nbd2 Nh5 (13...Qc7 14.0-0=) 14.Be3 b6? (better 14...Qc7=) 15.Qd5+- (15.Qd5 Qc7 16.Qh5 (16.Qa8?! Nc6 17.Qf8 Bf8+=) 16...Qc3 17.Ke2+-) 1–0. Gietl,Thomas (2320) – Suess,Helmut (2000), 50st Mittelfranken–ch HT, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 e5)

    9.f5 Qb6 10.Nf3 Nc6 11.d5 Nb8 12.Na3 Nbd7 13.Nc4 Qc7 14.Qe2 b5 15.Ncd2 Qc3 16.Rb1 a6 17.Bb2 Qc7 18.Rc1 Qa7 19.Nb3 Bb7 20.Ba3 Qb6 21.h3 Nf8 (better is 21...b4!? 22.Bb2 a5-+) 22.Qd2 1–0. Nanu,Ciprian (2405) – Zaharie,Ioan (2125), Deva tt, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.f5 d5 10.de5 Ne4 11.Qg4 0-0 (11...g6!? 12.Be4 de4 13.Qe4 Bf5 14.Qb7 Nd7-/+) 12.Be4= de4 13.Bh6 Bh4 14.g3 Bf6 15.ef6 Qf6 16.Be3 Nc6 17.Qg5 (17.Qe4 Bf5 18.Qf4-/+) 17...Qg5-/+ 18.Bg5 Bf5 19.Ne2 Ne5 20.Nd4 Bh3 21.Bf4 Nd3 22.Ke2 h6 23.Nd2 f5 24.Rhb1 Rf7 25.Nc4 g5 26.Bd6 Rc8 27.Ne5 Ne5 28.Be5 Rc3 (better is 28...Bg4 29.Ke1 Re8-/+) 29.Ra7+= f4 30.gf4 (30.Rab7 f3 31.Kd2 Rd3 32.Kc2 Rb7 33.Rb7 f2-+; 30.Rbb7 f3 31.Kd2 Rd3 32.Kc2 Rb7 33.Rb7 f2-+) 30...gf4 31.Ra8 Rc8 32.Rg1 Kh7 33.Rc8 Bc8 34.Nb5 b6 35.Nd6+- f3 36.Kf2 Re7? 37.Bf6 e3 38.Kf3 Bb7 39.Kf4 Rd7 40.Ke5 Ba6 41.Ke6 Rc7 42.Be7?? Bd3? 43.Kf6 Bg6? 44.Re1 Rc2 45.Re3 Rh2 46.Rb3 Rf2 47.Ke6 Re2 48.Kd7 Bc2 49.Rb6 Ba4 50.Kd8 Re6 51.Rb4 Bc6 52.Rc4 Bd5 53.Rc5 Bf3 54.Ke8 Kg6 55.Rc3 Bg4 56.Rc5 Bf3 57.Nf5 Bg4 58.Nd6 ½–½. Soukup,Jiri (2250) – Kotek,Daniel (2280), CZE–chT2b, 2006. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6 8.Bd3 e5)

    7.Nf3 Nf6

    8.Bd3 Nc6 9.0-0 0-0 10.Bb2 Re8 11.Nbd2 Bf8 12.h3 e5 13.d5 Ne7 14.c4 Ng6=+ 15.Kh1 Nf4-/+ 16.Qb3 Bd7 17.Nh2 Nd3 18.Qd3 a6 19.Qc3 b5 20.f3 bc4 21.Nc4-/+ Bb5 22.Rfc1 Qb6?? 23.Rc2 Nh5?? 24.Qb3 Ng3# 0–1. Schiwarth,Nino – Figura,Atila (1725), GER–ch U10 Oberhof, 1999.

    8.Bd3 Nc6 9.0-0 0-0 10.Qc2 e5 11.Ba3 Qc7 12.h3 Nh5 13.d5 Nb8 14.Bc1 Nd7 15.Na3 Nc5 16.Be3 a6 17.Rfb1 Nd3 18.Qd3 f5 19.Qc4 Qd8 20.ef5 Rf5 21.Nd2 b5 22.Qe2 Nf4 23.Bf4 Rf4 24.c4 Bf5 25.Rb3 Bd7 26.cb5 ab5 27.Rab1 b4! 28.Nac4 Bf5 29.R1b2 Bg5 30.Ne3 Bd7 31.Rb4 Rb4 32.Rb4 Qa5 33.Rb7 Bc8 34.Nb3 Qd8 35.Rb4 Bd7 36.Nc4 Qc7 37.Qb2 Rf8 38.Nbd2 Bf5 39.Rb7 Qc5 40.Rb5 Qc7 41.Rb7 ½–½. Meijer,Wilmar (1935) – Colsaet,Sylvain (1920), IECG, 2000.

    8.Bd3 Nc6 9.0-0 e5 10.Nbd2 (10.d5 Nb8=) 10...0-0= 11.h3 (11.d5 Nb8=) 11...b6 (11...ed4 12.Nd4 Bd7 13.N2f3+=) 12.Re1 Bb7 13.Nc4 Re8 14.Ne3 (14.d5 Nb8=) 14...Bf8 (14...ed4 15.cd4 Nb4 16.Bb5 Be4 17.Be8 Qe8 18.Qb3+=) 15.Nf5 (15.d5 Na5=) 15...ed4+= 16.cd4 Nb4 17.d5 Nd3 18.Qd3 Nd7 (better is 18...Qd7 19.N5d4 g6+=) 19.Ng5?? (19.Ba3!? Nc5 20.Bc5 dc5 21.Ra2+=) 19...Qf6 (19...g6!? 20.Ng3 Bg7-+) 20.Bd2 (20.e5 Qg6 21.e6 fe6 22.Re6 (22.de6? Nc5 23.Qc2 Ne6 24.Re6 Re6-+) 22...Re6 23.Ne6-/+ (23.de6? Nc5 24.Qc2 Ne6-+)) 20...h6 (better is 20...g6 21.Qb5 gf5 22.Qd7 Re7 23.Qf5 Qf5 24.ef5 Bd5-/+) 21.e5+= Qg6 (21...Ne5?? 22.Ne7 Be7 23.Qh7 Kf8 24.Qh8) 22.Nf7 (22.e6 hg5 23.ed7 Red8 24.Ne7 Be7 25.Qg6 fg6 26.Re7 Bd5+/-) 22...Kh7= (22...Qf7 23.e6 Qf6 24.ed7 Re1 25.Re1+-) 23.e6 The isolani on d6 becomes a target (better is 23.N7d6!? Ne5 24.Qg3 Bd6 25.Qg6 Ng6 26.Re8 (worse is 26.Nd6 Re1 27.Be1 Bd5-/+) 26...Re8 27.Ra7=) 23...Nc5-/+ 24.Qf3 Re6! 25.Nh4 Re1 26.Re1 Qd3 27.Qh5 Qd2?? 28.Qg6+- Kg8 29.Nf5 Qe1 30.Kh2 Qd2 31.N5h6 Qh6 32.Nh6 Kh8 33.Nf7 Kg8 34.Ng5 (34.Ng5 Be7 35.Qh7 Kf8 36.Qh8) 1–0. Dimitrov,Pavel (2300) – Spasov,Vasil (2580), 11th Kesarovski–Stanchev Mem, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    8.Bd3 Nc6 9.Ba3 0-0 10.h4 e5 11.d5 Nb8 12.Nbd2 Nbd7 13.Nc4 Qc7 14.Rc1? Nc5 15.Bc5 Qc5 16.Ne3 Ng4 17.Ng4-/+ Bg4 18.Qd2 Bf3 19.gf3 Bf6 20.Ke2 Qc7 21.Rcg1 Rac8 22.c4 Qe7 23.Rg4 Kh8 24.f4 ef4 25.Rf4 Be5 26.Rg4? f5! 27.Rg2 fe4 28.Be4 Rc4 29.f3 Bf4 30.Qd3 Rfc8 31.Rgg1 Rc3 32.Qb5 Rc2 (32...Rc2 33.Kf1 Rd2-+) 0–1. Lampen,Timo – Hermlin,Aarne (2360), Tampere TampY, 1991.

    8.Bd3 Nc6 9.Bg5 h6 10.Bh4 e5 11.Nbd2 ed4 12.cd4 0-0 13.0-0 Bg4 14.h3 (14.Qb1 Qd7=) 14...Bh5 (14...Bf3!? 15.Qf3 Nd4-/+) 15.Qb3= b6 16.e5 (better is 16.Qb5!? Bf3 17.Nf3=) 16...de5+= 17.de5 Nd7 18.Be7 Qe7 e5 draws heavy fire 19.g4 Nc5 20.Qc3 Nd3 21.Qd3 Bg6 22.Qb5 Nb4 23.Ra4 Nd3 24.Rd1 Qc5 25.Qc5 Nc5 26.Ra2 Rfd8 27.Rda1 a6 28.Nc4 b5 29.Nd6 b4 30.Rc1? (better is 30.Nd4-/+) 30...b3 31.Ra5 Nd3 32.Rd1 (32.Rc6 b2 33.Nd2 Rdb8-+) 32...b2 33.Nd2 Ne5! 34.Nf5 Nf3! (34...Nf3 35.Kg2 Nd2 36.Ne7 Kh7 37.Ng6 Kg6-+) 0–1. Mavlyaveev,Vladimir (1745) – Grigorieva,Dana (1935), Sochi RUS, Doroshkevich Mem, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 d5

    8.e5 Nc6. Miller,Donald V (2010) – Potter,Robert BM (2380), USA–ch15 prel, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 d5)

    8.e5 Nh6 9.Bd3 f5 10.ef6 Bf6 11.Nf3 Nc6 12.Qc2 g6 13.0-0 Nf5 14.g4 Nfd4 15.cd4 Nd4 16.Nd4 Bd4 17.Kh1 Ba1 18.Qa4 Bd7 19.Qa1 d4 20.Nd2 Bc6-/+ 21.Ne4 Qb6 22.Bd2 e5 23.Qa3 Rf8 24.Ba5 Be4 25.Be4 Qa6 26.Qa4 b5 27.Qb4 Rc8=+ 28.Bd3 Qc6 29.Kg1 a6 30.f5 g5 31.Qb1 Rf6 32.Be4 Qc5 33.Bb4 Qb6 34.Bd3 Rfc6 35.Qb3 Rc4= 36.f6 Kf7 37.Rf2 Qe6 38.Bc4 bc4?? 39.Qh3+- Qc6 40.Qh7 Ke6 41.f7 Kd5 42.f8Q Rf8 43.Rf8 (43.Rf8 Qe6 44.Qb7 Qc6 45.Qf7 Qe6 46.Rd8 Ke4 47.Qh7 Qg6 48.Qg6 Ke3 49.Qg5 Ke2 50.Qe5 Kd3 51.Qd4 Kc2 52.Qd1 Kb2 53.Rd2) 1–0. Spielmann,Rudolf – Koenig,Imre, Vienna, 1922. Same as the game below. Which is correct?

    8.e5 Nh6 9.Bd3 f5 10.ef6 Bf6 11.Nf3 Nc6 12.Qc2 g6 13.0-0 Nf5 14.g4 Nfd4 15.cd4 (15.cd4 Bd4 Double attack; 15.Nd4 Nd4 Decoy) 15...Nd4 16.Nd4 Bd4 17.Kh1 Ba1 18.Qa4 Bd7 19.Qa1 d4 20.Nd2 (20.Qd4 Bc6) 20...Bc6-/+ 21.Ne4 Qb6 (21...0-0 22.Ba3 Rf7 23.Bb2-/+) 22.Bd2 e5 (22...0-0!? 23.Kg1 a5-/+) 23.Qa3+= Rf8 24.Ba5 Be4 25.Be4 Qa6 26.Qa4 b5 27.Qb4 (27.Qb3 Rc8 28.Bb4+-) 27...Rc8+= 28.Bd3 Qc6 29.Kg1 a6 (29...Rf4 30.Rf4 Qc5 31.Bb5 Ke7 32.Qa4 Qc1 33.Rf1 Qe3 34.Kg2 Qe4 35.Kg3 Qe3 36.Rf3 Qf3 37.Kf3+-; 29...ef4 30.Bb5 Rf6 31.Re1 Kf7 32.Re7 Kf8 33.Bc6 Rfc6 34.Ra7 Kg8 35.Qd4 Rc1 36.Kg2+-) 30.f5 (30.Qe1 Qd5+=) 30...g5 (30...e4 31.Bb1 Qd5 32.f6-+) 31.Qb1 (31.Re1 Qd5=) 31...Rf6 (31...Qf6 32.Be4 Kf7 33.Bb7+=) 32.Be4 Qc5 33.Bb4 Qb6 34.Bd3 Rfc6 (better is 34...Rf7!?-/+) 35.Qb3 Rc4 36.f6 Kf7 37.Rf2 (37.Bc4 bc4 38.Qh3 d3 39.Rf2 Qb4 40.Qh7 Ke6 41.Qf5 Kd6 42.Qc8 Qe1 43.Kg2 Qe4 44.Kg3 Qe3 45.Rf3 Qe1 46.Kh3+-) 37...Qe6 38.Bc4 bc4?? 39.Qh3+- Qc6 40.Qh7 Ke6 41.f7 Kd5 42.f8Q Rf8 43.Rf8 (43.Rf8 Qd6 44.Bd6 Kc6 45.Qc7 Kd5 46.Qb7 Kd6 47.Rf6 Kc5 48.Qb6 Kd5 49.Qc6) 1–0. Tal,Mikhail – Keres,Paul, Tallinn, 1973. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6) Same as the game above. Which is correct?

    8.e5 Nh6 9.Bd3 Nf5 10.Qb3 A) 10...Nc6 A1) 11.Ne2 0-0 (11...a5 12.0-0 0-0 13.Nd2 b6 14.Bb2 Qd7 15.Rfc1 Ba6 16.c4 Nb4; 11...b6 12.0-0 0-0 13.Bf5 ef5 14.Ba3 Be6 15.Be7 Qe7 16.Nd2 Rac8; 11...Bh4 12.g3 Be7 13.Ba3 Qb6 14.Nd2 Qb3 15.Nb3 b6 16.Kf2 a5; 11...a6 12.0-0 0-0 13.Nd2 b5 14.Ba3 Bb7 15.Bf5 ef5 16.Be7 Ne7) 12.0-0 a5 13.Nd2 b6 14.Bb2 Qd7 15.Ng3 Ng3 16.hg3 Ba6; A2) 11.Kf2 a5 (11...Qd7 12.Nf3 0-0 13.Ba3 a5 14.Nbd2 a4 15.Qd1 Ba3 16.Ra3 Nce7; 11...0-0 12.Nf3 a5 13.Nbd2 b6 14.Bb2 Ba6 15.Bf5 ef5 16.Nf1 Bd3; 11...b6 12.Nf3 Na5 13.Qc2 0-0 14.Ba3 h6 15.Nbd2 Bd7 16.c4 dc4; 11...Nh6 12.Nf3 0-0 13.Re1 a5 14.Na3 b6 15.Nc2 Ba6 16.Ba6 Ra6; 11...h6 12.Nf3 a5 13.Nbd2 0-0 14.Ba3 Ba3 15.Ra3 Nfe7 16.Rc1 f6) 12.Nf3 0-0 13.Nbd2 Qd7 14.Ba3 a4 15.Qd1 Ra7 16.g4 Ba3; A3) 11.Nd2 b6 (11...Ne3 12.Kf2 Ng4 13.Kf3 Nh6 14.Ba3 0-0 15.Kg3 Ba3 16.Qa3 f6; 11...a5 12.Ngf3 0-0 13.0-0 b6 14.Bb2 Qd7 15.Rfc1 Ba6 16.Ba6 Ra6; 11...0-0 12.Ngf3 b6 13.Kf2 Na5 14.Qc2 g6 15.Ba3 Ba3 16.Ra3 Bb7; 11...h6 12.Ngf3 0-0 13.0-0 a5 14.Ba3 Qd7 15.Be7 Nce7 16.Qb2 Nc6; 11...h5 12.Ngf3 0-0 13.Ba3 Ne3 14.Kf2 Ng4 15.Kg1 a5 16.Be7 Ne7) 12.Ngf3 0-0 13.0-0 a5 14.Bb2 Qd7 15.Rfc1 Ba6 16.Ba6 Ra6; A4) 11.Nf3 0-0 (11...b6 12.0-0 0-0 13.Ba3 Na5 14.Qa2 Bb7 15.Nbd2 h6 16.Bf5 Ba3; 11...a5 12.0-0 0-0 13.Nbd2 b6 14.Bb2 Qd7 15.Rfc1 Ba6 16.c4 Nb4; 11...Bh4 12.g3 Be7 13.0-0 a5 14.g4 Nh4 15.Nh4 Bh4 16.Nd2 Be7; 11...h5 12.0-0 0-0 13.Ba3 Qb6 14.Nbd2 Qb3 15.Nb3 Ba3 16.Ra3 b6; 11...Qd7 12.0-0 a5 13.g4 Nh4 14.Nh4 Bh4 15.Nd2 Be7 16.f5 Qc7) 12.0-0 a5 13.Nbd2 Qd7 14.Re1 h6 15.Bb5 b6 16.Ba3 Ba3; B) 10...a5 B1) 11.Nf3 0-0 (11...Nc6 12.Nbd2 0-0 13.Kf2 Qd7 14.Ba3 a4 15.Qc2 Ba3 16.Ra3 b5; 11...h5 12.c4 Bb4 13.Nc3 dc4 14.Qc4 b5 15.Qb5 Nd7 16.Bd2 Ba6; 11...Qd7 12.0-0 Nc6 13.g4 Nh6 14.h3 0-0 15.Qc2 b6 16.f5 ef5; 11...h6 12.Nbd2 Nc6 13.Kf2 0-0 14.Ba3 Ba3 15.Ra3 Ra7 16.Re1 Re8) 12.0-0 Nc6 13.Nbd2 b6 14.Rd1 Ba6 15.Bf5 ef5 16.c4 Nb4; B2) 11.Nd2 Nc6 (11...b6 12.Bf5 ef5 13.Kf2 0-0 14.Ngf3 Be6 15.Ba3 Ba3 16.Ra3 Nc6; 11...0-0 12.Ngf3 Nc6 13.Kf2 b6 14.Bf5 ef5 15.Ba3 Ba3 16.Qa3 Ba6; 11...Ne3 12.Kf2 Ng4 13.Kg3 f5 14.Ngf3 h5 15.h4 Nc6 16.Ba3 0-0; 11...Qd7 12.Ngf3 0-0 13.Kf2 Nc6 14.Ba3 h5 15.Rhb1 Rd8 16.Be7 Qe7) 12.Ngf3 0-0 13.0-0 b6 14.Rd1 Ba6 15.Bf5 ef5 16.c4 Nb4; B3) 11.Kf2 0-0 (11...Nc6 12.Nd2 f6 13.ef6 Bf6 14.Ngf3 0-0 15.Re1 g6 16.Nf1 Bd7; 11...b6 12.Bf5 ef5 13.Ba3 a4 14.Qb5 Qd7 15.Qb6 Nc6 16.Be7 Ne7; 11...Qd7 12.Ba3 Nc6 13.Be7 Nce7 14.Bb5 Nc6 15.Nf3 0-0 16.Nbd2 h5) 12.Nf3 Nc6 13.Nbd2 Bh4 14.g3 Be7 15.Ba3 Ba3 16.Ra3 Qe7; C) 10...b6 C1) 11.Nf3 Nc6 (11...0-0 12.Kf2 Nc6 13.Ba3 Na5 14.Qc2 Nc4 15.Bc4 dc4 16.Be7 Qe7) 12.Kf2 0-0 13.Ba3 Na5 14.Qc2 Nc4 15.Bc4 dc4 16.Be7 Qe7; C2) 11.Bf5 ef5 12.Ba3 Nc6 13.Be7 Ne7 14.Nd2 0-0 15.Ngf3 Ng6 16.g3 Be6; C3) 11.Nd2 Nc6 (11...0-0 12.Ngf3 a5 13.Bf5 ef5 14.Kf2 Nc6 15.Ba3 Ba3 16.Qa3 Ba6; 11...a5 12.Kf2 0-0 13.Ngf3 Nc6 14.Ba3 Ba3 15.Qa3 Ba6 16.Bf5 ef5) 12.Kf2 0-0 13.Ngf3 a5 14.Ba3 Ba3 15.Qa3 Ba6 16.Bf5 ef5; C4) 11.Kf2 0-0 (11...Nc6 12.Nf3 Na5 13.Qc2 0-0 14.Nbd2 h5 15.Nf1 Nc4 16.Bc4 dc4; 11...Nh6 12.Nf3 Nc6 13.Ba3 Ng4 14.Kg3 h5 15.Be7 Ne7 16.Ng5 0-0; 11...Bb7 12.Nf3 Nc6 13.Ba3 0-0 14.Nbd2 Ba3 15.Qa3 h6 16.g4 Nh4; 11...h5 12.Nf3 Nc6 13.Ba3 Na5 14.Qa2 Bb7 15.Qc2 g6 16.Bf5 ef5) 12.Nf3 Bb7 13.Ba3 Nc6 14.Nbd2 Na5 15.Be7 Qe7 16.Qa3 h5; D) 10...0-0 D1) 11.Nd2 a5 (11...Nc6 12.Ngf3 Na5 13.Qa2 b6 14.0-0 Bb7 15.Ba3 Qd7 16.Be7 Qe7; 11...h6 12.Ngf3 Nc6 13.0-0 a5 14.Ba3 Qd7 15.Be7 Nce7 16.Qb2 Ng6; 11...Qd7 12.Ba3 Nc6 13.Ngf3 a5 14.Kf2 a4 15.Qd1 f6 16.ef6 Rf6; 11...b6 12.Ngf3 Nc6 13.0-0 a5 14.Bb2 Ba6 15.Ba6 Ra6 16.Qb5 Qc8; 11...Bh4 12.g3 Be7 13.Ngf3 Nc6 14.0-0 Na5 15.Qb5 b6 16.Bf5 ef5) 12.Ngf3 Qd7 13.Kf2 Nc6 14.Ba3 a4 15.Qd1 f6 16.ef6 Rf6; D2) 11.Kf2 Nc6 (11...b6 12.Nf3 Nc6 13.Ba3 Bb7 14.Nbd2 Na5 15.Qb1 g6 16.Be7 Qe7; 11...a5 12.Nf3 Qd7 13.Ba3 Nc6 14.Nbd2 a4 15.Qd1 f6 16.ef6 Rf6; 11...Re8 12.Nf3 Nc6 13.Ba3 a5 14.Nbd2 h5 15.Be7 Nce7 16.Ng5 Qc7; 11...g6 12.Nf3 a5 13.Nbd2 Qd7 14.Ba3 Nc6 15.Be7 Nfe7 16.Kg3 Qc7; 11...f6 12.Bf5 ef5 13.Ba3 fe5 14.fe5 f4 15.Nf3 Re8 16.c4 dc4) 12.Nf3 Na5 13.Qc2 Bd7 14.Nbd2 Nc6 15.Ba3 h5 16.Bf5 ef5; D3) 11.Ne2 Nc6 (11...a5 12.0-0 Nc6 13.Nd2 b6 14.Bb2 Qd7 15.Ng3 Ng3 16.hg3 Ba6; 11...Bh4 12.g3 Be7 13.Ba3 Nc6 14.Kf2 f6 15.Bf5 Ba3 16.Na3 ef5; 11...Re8 12.Ba3 Nc6 13.Be7 Nce7 14.0-0 b6 15.Nd2 Bb7 16.Nf3 a5; 11...h6 12.0-0 a5 13.g4 Nh4 14.Ba3 Nc6 15.Nd2 Ba3 16.Qa3 b6; 11...h5 12.0-0 Nc6 13.Ba3 Qb6 14.Nd2 Qb3 15.Nb3 Ba3 16.Ra3 f6) 12.0-0 Na5 13.Qa2 b6 14.Nd2 Bb7 15.Ng3 Ng3 16.hg3 Qc7; D4) 11.Nf3 Nc6 (11...b6 12.0-0 Nc6 13.Ba3 Na5 14.Qa2 Bb7 15.Nbd2 Qc7 16.Be7 Qe7; 11...a5 12.0-0 Nc6 13.Nbd2 Qd7 14.Re1 Rd8 15.Bb2 b6 16.Ba3 a4; 11...Qd7 12.0-0 Nc6 13.g4 Nh4 14.Nh4 Bh4 15.g5 f6 16.ef6 gf6; 11...Bh4 12.Kf1 Be7 13.Ba3 Nc6 14.Kf2 Nh6 15.Be7 Qe7 16.g3 b6) 12.0-0 Na5 13.Qa2 b6 14.Ba3 Bb7 15.Nbd2 Qd7 16.Be7 Qe7.

    8.e5 Nh6 9.Bd3 Nf5 10.Nf3 A) 10...0-0 A1) 11.Kf2 Bd7 (11...Nc6 12.Ba3 a5 13.Nbd2 Ba3 14.Ra3 f6 15.Bf5 fe5 16.Bd3 Qd6; 11...f6 12.Bf5 ef5 13.Ba3 Be6 14.Qb3 Qc7 15.Be7 Qe7 16.Na3 fe5; 11...a5 12.Nbd2 Nc6 13.Ba3 Ba3 14.Ra3 Qe7 15.Qb3 h5 16.Rha1 Nh6; 11...Qc7 12.Ba3 Nc6 13.Nbd2 Ba3 14.Ra3 f6 15.Bf5 ef5 16.Re1 Be6; 11...a6 12.Ba3 Nc6 13.Nbd2 Ba3 14.Ra3 f6 15.Bf5 ef5 16.Re1 Be6) 12.Ba3 Nc6 13.Nbd2 a5 14.Qb1 Ba3 15.Ra3 Ra7 16.g4 Qe7; A2) 11.Ba3 Nc6 (11...f6 12.Bf5 ef5 13.Kf2 Be6 14.Qb3 Qc7 15.Be7 Qe7 16.Na3 fe5; 11...a5 12.Nbd2 Nc6 13.Kf2 Ba3 14.Ra3 Rb8 15.Qb1 b5 16.Bb5 Ba6; 11...Bh4 12.Ke2 Be7 13.Kf2 Nc6 14.Nbd2 Ba3 15.Ra3 Qe7 16.Qb3 Rd8; 11...h5 12.Be7 Qe7 13.Nbd2 Nc6 14.Kf2 a5 15.Re1 Qc7 16.Qb3 Nce7; 11...Re8 12.Be7 Qe7 13.Qb3 Nc6 14.0-0 Rd8 15.Nbd2 Rb8 16.Bb5 Qc7) 12.Kf2 a5 13.Nbd2 Ba3 14.Ra3 Qc7 15.Qb3 Rd8 16.g4 Nfe7; A3) 11.Na3 Nc6 (11...h6 12.0-0 Nc6 13.g4 Nh4 14.Nh4 Bh4 15.g5 Na5 16.Qg4 Nb3; 11...Bd7 12.0-0 Qc7 13.c4 dc4 14.Nc4 Bb5 15.Ne3 Ne3 16.Be3 Qc3; 11...g6 12.0-0 Nc6 13.g4 Ng7 14.h3 b6 15.Bb2 Bb7 16.Nc2 Qc7; 11...Qa5 12.Bd2 Nc6 13.0-0 Qb6 14.Qc2 h5 15.Nb5 a6 16.Bf5 ef5; 11...Na6 12.0-0 Bd7 13.g4 Nh6 14.h3 Nc7 15.Be3 Bc6 16.Qc2 Kh8) 12.0-0 Bd7 13.g4 Nh6 14.h3 a6 15.Bc2 Kh8 16.Qd3 g6; A4) 11.g4 Nh4 12.0-0 Nf3 13.Qf3 Nc6 14.Na3 a6 15.Be3 f6 16.Qg2 Bd7; A5) 11.0-0 Nc6 (11...a5 12.g4 Nh6 13.Ng5 g6 14.Qf3 f5 15.ef6 Rf6 16.Qh3 Bf8; 11...Qc7 12.g4 Nh6 13.Ng5 g6 14.Qf3 f6 15.ef6 Rf6 16.Nh3 Ng4) 12.g4 Nh6 13.h3 a5 14.Na3 a4 15.Nb5 Bd7 16.Ra4 Qb6; B) 10...h6 B1) 11.Na3 0-0 (11...Bd7 12.0-0 Nc6 13.g4 Nh4 14.Nh4 Ba3 15.Nf5 Bf8 16.Nd6 Bd6; 11...Qa5 12.Qb3 Qb6 13.Nb5 0-0 14.0-0 Nc6 15.g4 Nh4 16.Nh4 Bh4; 11...Nc6 12.0-0 0-0 13.g4 Ba3 14.Ra3 Nh4 15.Ra2 Re8 16.g5 Nf5; 11...a5 12.0-0 Nc6 13.g4 Ba3 14.Ra3 Nfe7 15.Be3 Qc7 16.Qc2 h5; 11...h5 12.0-0 Nc6 13.Nb5 a5 14.Ng5 f6 15.Nh3 Kf7 16.Re1 Na7) 12.0-0 Bd7 13.g4 Nh4 14.Nh4 Bh4 15.g5 Qc7 16.Bd2 hg5; B2) 11.0-0 Nc6 (11...a5 12.g4 Nh4 13.Nh4 Bh4 14.Na3 Be7 15.f5 Nc6 16.Nb5 ef5; 11...Qb6 12.Na3 Nc6 13.g4 Nh4 14.Nh4 Bh4 15.Nb5 0-0 16.Ba3 Be7; 11...h5 12.Na3 Nc6 13.Nb5 h4 14.Ng5 f6 15.ef6 gf6 16.Nf3 h3; 11...a6 12.Na3 Nc6 13.g4 Nh4 14.Nh4 Bh4 15.Nb5 Be7 16.f5 h5; 11...Na6 12.Qb3 0-0 13.Nbd2 Nc7 14.g4 Nh4 15.Nh4 Bh4 16.Nf3 Be7) 12.g4 Nh4 13.Nh4 Bh4 14.Na3 Be7 15.Nb5 0-0 16.g5 hg5; C) 10...a5 C1) 11.Na3 b6 (11...0-0 12.0-0 Nc6 13.Nb5 Bd7 14.g4 Nh6 15.h3 Kh8 16.Qc2 Qb8; 11...Nc6 12.0-0 b6 13.Nb5 h5 14.Bf5 ef5 15.Ba3 0-0 16.Ng5 g6; 11...g6 12.0-0 0-0 13.g4 Ng7 14.Nb5 Nc6 15.Ba3 b6 16.Be7 Ne7; 11...Qd7 12.0-0 h5 13.c4 Nc6 14.cd5 ed5 15.Nb5 Nb4 16.Ng5 Rh6; 11...Bd7 12.0-0 0-0 13.g4 Nh6 14.h3 a4 15.Bc2 Qa5 16.Qd3 g6) 12.0-0 Ba6 13.Nb5 Qd7 14.Rb1 0-0 15.g4 Nh6 16.Ne1 Kh8; C2) 11.g4 Nh6 (11...Nh4 12.0-0 Nf3 13.Qf3 Nc6 14.Na3 0-0 15.Nb5 f6 16.ef6 Bf6) 12.h3 Nc6 13.0-0 b6 14.Na3 Ba6 15.Ba6 Ra6 16.Qe2 Ra8; C3) 11.Ba3 0-0 (11...Nc6 12.Kf2 0-0 13.Nbd2 Ba3 14.Ra3 h6 15.Qb3 Rb8 16.Bf5 ef5; 11...Bd7 12.Qb3 Bc6 13.Bf5 ef5 14.0-0 0-0 15.Nbd2 a4 16.Be7 Qe7) 12.Kf2 Nc6 13.Nbd2 Ba3 14.Ra3 f6 15.Bf5 ef5 16.Qb3 Re8; C4) 11.Kf2 0-0 (11...Nc6 12.Nbd2 0-0 13.Ba3 Ba3 14.Ra3 f6 15.Bf5 ef5 16.Qb3 Re8; 11...Qc7 12.Qb3 0-0 13.Ba3 a4 14.Qc2 Nc6 15.Be7 Nce7 16.Ra4 Bd7; 11...g6 12.Ba3 0-0 13.Be7 Qe7 14.Qb3 Nh6 15.Re1 Nc6 16.Kg1 Bd7; 11...Qd7 12.Ba3 Nc6 13.Be7 Nce7 14.g4 Nh6 15.Rg1 0-0 16.Na3 Ng6; 11...h5 12.Ba3 Nc6 13.Nbd2 Ba3 14.Ra3 Qe7 15.Ra4 0-0 16.Re1 Qc7) 12.Nbd2 Nc6 13.Ba3 f6 14.Be7 Qe7 15.Bf5 ef5 16.Nf1 Be6; C5) 11.0-0 Nc6 (11...Bd7 12.Na3 0-0 13.g4 Nh6 14.h3 Na6 15.Qc2 Rc8 16.Qb2 Nc7; 11...g6 12.Na3 Nc6 13.Nb5 0-0 14.g4 Ng7 15.Ba3 Ba3 16.Ra3 b6; 11...Qb6 12.Na3 0-0 13.g4 Nh6 14.Ng5 g6 15.Qf3 f5 16.ef6 Bf6; 11...h5 12.Na3 Nc6 13.Nb5 b6 14.Ng5 Ba6 15.Qe2 Bb5 16.Bb5 Qd7; 11...Qc7 12.Qc2 Bd7 13.Na3 0-0 14.g4 Nh6 15.f5 Ng4 16.h3 Ba4) 12.Na3 0-0 13.Nb5 b6 14.g4 Nh6 15.Ng5 g6 16.Qf3 f6; D) 10...Nc6 D1) 11.g4 Nh4 (11...Nh6 12.h3 Bd7 13.0-0 0-0 14.Be3 Qc7 15.Qc2 Kh8 16.Nbd2 a5) 12.0-0 Nf3 13.Qf3 0-0 14.Na3 a6 15.Be3 f6 16.ef6 Bf6; D2) 11.Kf2 0-0 (11...f6 12.Bf5 ef5 13.Ba3 0-0 14.Nbd2 Ba3 15.Ra3 Be6 16.Qb3 Qe7; 11...a6 12.Ba3 0-0 13.Nbd2 Ba3 14.Ra3 h6 15.Ra1 Qc7 16.Qc2 Bd7; 11...a5 12.Ba3 0-0 13.Nbd2 Ba3 14.Ra3 f6 15.Bf5 Qe7 16.Qb3 fe5; 11...Qd7 12.Ba3 0-0 13.Nbd2 Ba3 14.Ra3 a5 15.Qb3 Nce7 16.Qb6 Qc6; 11...Rb8 12.Ba3 0-0 13.Qb3 a5 14.Be7 Nce7 15.Nbd2 h5 16.c4 dc4) 12.Ba3 f6 13.Bf5 fe5 14.Bh7 Kh7 15.fe5 a5 16.Rf1 b6; D3) 11.Ba3 a5 (11...0-0 12.Kf2 f6 13.Bf5 ef5 14.Be7 Qe7 15.Na3 fe5 16.de5 Qc5; 11...Qc7 12.Kf2 0-0 13.Nbd2 Ba3 14.Ra3 f6 15.Bf5 ef5 16.Kg3 Be6; 11...b6 12.Be7 Qe7 13.Kf2 0-0 14.Nbd2 Bb7 15.Qb1 g6 16.Bf5 gf5; 11...Bd7 12.Kf2 h5 13.Bf5 ef5 14.Nbd2 Ba3 15.Ra3 Qe7 16.Qb3 Be6; 11...h6 12.Be7 Qe7 13.Nbd2 0-0 14.Kf2 f6 15.g4 fe5 16.gf5 e4) 12.Kf2 0-0 13.Nbd2 f6 14.Bf5 Ba3 15.Ra3 ef5 16.Qb3 Ra7; D4) 11.0-0 h6 (11...a5 12.Na3 0-0 13.Nb5 Na7 14.Na7 Ra7 15.g4 Nh6 16.Ng5 g6; 11...Qb6 12.Na3 0-0 13.g4 Nh4 14.Nh4 Bh4 15.g5 g6 16.Qg4 Bg5; 11...h5 12.Na3 0-0 13.Ng5 g6 14.Nc2 b6 15.Ne3 a5 16.Nf5 ef5; 11...g6 12.g4 Ng7 13.h3 h5 14.Na3 a6 15.Nc2 Bd7 16.Ne3 a5; 11...f6 12.Qc2 Qb6 13.Na3 Ncd4 14.cd4 Nd4 15.Nd4 Qd4 16.Kh1 Qa1) 12.g4 Nh4 13.Nh4 Bh4 14.Na3 a5 15.Nb5 Be7 16.f5 ef5.

    8.e5 Nh6 9.Bd3 Nf5 10.g4 Nh4 11.g5 (11.Nf3 Bd7 (11...h5 12.Nh4 Bh4 13.Kf1 hg4 14.Qg4 g6 15.Na3 Nc6 16.Nb5 Be7; 11...Nc6 12.0-0 Nf3 13.Qf3 Qb6 14.Rf2 h5 15.gh5 Bd7 16.Ba3 0-0-0; 11...Nf3 12.Qf3 Nc6 13.0-0 0-0 14.Na3 a5 15.Nb5 f6 16.Qh3 g6; 11...a5 12.0-0 Nf3 13.Qf3 Nc6 14.Na3 0-0 15.Nb5 f6 16.ef6 Bf6; 11...0-0 12.0-0 Nf3 13.Qf3 Nc6 14.Na3 a6 15.Be3 f6 16.ef6 Bf6) 12.0-0 Nf3 13.Qf3 Nc6 14.Be3 Na5 15.f5 Qc7 16.Nd2 0-0-0) 11...g6 (11...Nc6!?-/+ 12.Nf3 Nf5 13.0-0 0-0 14.Na3 Na5 15.c4 a6 16.c5 b6; 11...Nf5 12.Nf3 0-0 13.0-0 Nc6 14.Na3 a5 15.Nb5 b6 16.Qb3 Ba6; 11...0-0 12.Nf3 Nf5 13.0-0 Nc6 14.Na3 a5 15.Nb5 b6 16.Qb3 Ba6; 11...a5 12.Nf3 Nf5 13.0-0 Nc6 14.Na3 0-0 15.Nb5 b6 16.Qb3 Ba6) 12.Nf3+= Nf5 13.Kf2 (13.Ba3 Nc6 14.Be7 Qe7 15.Nbd2 0-0 16.Qb3 b6) 13...Bd7 (13...Nc6 14.Ba3 0-0 15.Nbd2 Ba3 16.Ra3 a6) 14.Ba3 (14.Nbd2 Nc6 15.Ba3 Ba3 16.Ra3 0-0) 14...a6 (14...Nc6 15.Nbd2 0-0 16.Bf5 gf5) 15.Bf5 (15.Be7 Qe7 16.Qb3 Bc6) 15...ef5 (15...gf5 16.Be7 Qe7) 16.h4 (16.Qb3 Bc6) 16...Nc6 17.h5 Rf8 18.Qb3 Qc7 19.Qd5 Be6 20.Bd6 Qb6 21.Qc5 Qc5 22.dc5 Rc8 23.h6 Nb8 24.Nd4 Nd7 25.c6 bc6 26.Ne6 fe6 27.Be7 Ke7 28.Ra6 Rc7 29.Nd2 Nc5 30.Ra5 Rd8 31.Ke3?? Rd2!-+ 32.Kd2 Nb3 33.Kc2 Na5 34.Ra1 Ra7 35.c4 c5 36.Rb1 Rb7 37.Ra1 Nc6 38.Kc3 Kd7 39.Ra6 Kc7 40.Ra8 Rb8 41.Ra3 Rd8 42.Ra1 Kb7 43.Rb1 Nb4 44.Kb3 Rd4 45.Ka4 Kc6 46.Rc1 Rd3 47.Ra1 Nc2 48.Ra2 Rc3 (48...Rc3 49.Rc2 Rc2-+) 0–1. Molina,P (1910) – Obregon,A (2405), 2nd Bolivar Open, Buenos Aires ARG, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6)

    7.f4 Nf6

    8.Qc2 0-0 9.Nf3 Nc6 10.Bd3 Ne8 11.0-0 f5 12.ef5 ef5 13.d5 Na5 14.Nd4 g6 15.Re1 Bh4 16.Re3 Ng7 17.Qa4 b6 18.Nc6 Bd7 19.Nd8 Ba4 20.Ne6 Ne6 21.de6 (worse is 21.Ra4 Nc5 22.Ra2 Nd3 23.Rd3 Rfe8-/+) 21...Bc6 22.Nd2 Bf6 23.Bb2 Rfe8 24.Nc4 Nb7 25.Nd2 (25.Rae1!?-/+) 25...Nc5-+ 26.Rae1 Na4 (26...Nd3?! 27.Rd3 Rad8 28.Ba3-/+) 27.Ba1 Bc3 28.Bc3 Nc3 29.Bf5 Nd5 30.Be4 Re7 31.Rd3 Nf4 32.Rd6 Be4 (worse is 32...Re6 33.Re6 Ne6 34.Bc6+/-) 33.Re4 Nh5 ½–½. Sanz Arjona,JL – Arin Fernandez,AJ, Spain corr, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Nd2 b6 9.Bd3 Bb7 10.Qe2 0-0 11.g4 (11.Ngf3 Qc7-/+) 11...e5! 12.g5 (12.de5 de5 Combination; 12.fe5 de5 Combination) 12...Nfd7 13.h4 f5 14.Ndf3 (14.gf6 Nf6 15.fe5 de5-/+) 14...fe4 (14...Qc7!? 15.Bd2 fe4 16.Be4 d5-+) 15.Be4 Be4 (15...ef4?? 16.Bb7 Qc7 17.Qa2 (17.Qe7?! Qb7 18.Qd6 b5+-) 17...Kh8 18.Ba8+-) 16.Qe4 Qc7 17.Ne2 Qc6 18.d5 Nc5 19.Qh7? (19.dc6 Ne4 20.c7-+) 19...Kh7-+ 20.dc6 Nd3 (20...Nc6!? 21.Be3 ef4 22.Nf4 Rf4 23.Bf4 Nd3 24.Kd2 Nf4 25.Ra4-+) 21.Kd2-/+ Nf4 22.c7 Nc6 23.h5? (better is 23.Nf4!? Rf4 24.Ke2-+) 23...Nd5 24.g6 (24.c4 Nc7 (24...Rf3?! 25.g6 Kh6 26.cd5 Bg5 27.Ke1+=) 25.Ke3 b5 26.g6 Kg8 27.cb5 Nb5-+) 24...Kg8 25.Ba3?? (25.Rh3-+) 25...Rf3 26.Rag1 Nc7 27.h6 gh6 28.Rh6 Ne6 29.Kd1 (29.Ke1 d5 30.g7 Ng7 31.Be7 Ne7-+) 29...Raf8 (29...Bg5!? 30.Rh2 Kg7 31.Rhg2 Kg6 32.Bc1-+) 30.g7 Ng7 0–1. Paterlini – Venezia, corr ITA, 1971. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Bd3 Nc6 9.Nf3 Qc7 10.0-0 0-0 11.Nbd2 a6 12.e5 Ne8 13.Ne4 f5 14.ed6 Nd6 15.Nd6 Bd6 16.g3 Bd7 17.Ba3 b5 18.Bd6 Qd6 19.Re1 Rfc8 20.Qb3 Qd5 21.Qd5 ed5 22.Ne5 Ne5 23.Re5 Rc3 24.Bf5 Bf5 25.Rf5 b4 26.Rd5 b3 27.Kg2 b2 28.Rb1 Rc2 29.Kh3 Re8 30.Re5 Re5 31.fe5 Kf7 32.d5 Rd2 33.Kg4 a5 34.Kf5? a4 35.d6 a3 36.e6 Ke8 37.Ke5 a2 38.d7 Rd7 39.ed7 Kd7 40.Rd1 Ke7 0–1. Neubauer,Martin – Gattermayer,Robert, AUT–ch sf Finkenstein, 1990.

    8.Bd3 Nc6 9.Nf3 Qc7 10.0-0 0-0 11.e5 Ne8 12.Qc2 h6 13.Na3 Bd7 14.Nc4 d5=+ 15.Ne3 Rc8 16.f5 f6 17.fe6+/- Be6 18.Nh4 f5 19.Bf5 Bf5 20.Nhf5 Rd8 21.Qb3 Qb6 22.Qb6 ab6 23.Ne7 Ne7 24.Rf8 Kf8 25.Ba3 Kf7 26.Rf1 Ke6 27.Be7 Ke7 28.Rb1 Nc7 29.Rb6 Rb8 30.Nf5 (30.Nf5 Kf7 31.g4+-) 1–0. Meijer,Wilmar (1930) – Berkley,Stephen (1650), IECC, 2000.

    8.Bd3 Qc7 9.Ne2 a6 10.0-0 Nc6 11.e5 Nd5 12.Rf3 Bd7 13.Ba3 de5 14.fe5 b5 15.Be7 Nce7 16.Qc1 h6 17.Nd2 f5 18.Nb3 a5 19.Nc5 0-0 20.Rg3 Kf7 21.Bb5 Bb5 22.Rg7 Ke8 23.c4 Bc4 24.Qc4 Qc6 25.Qa4 Qa4 26.Ra4 Rg8 27.Rg8 Ng8 28.Nb7 Ra7 29.Na5 Nge7 30.Ra3 Nc6 31.Nc4 Ra3 32.Na3 Kf7 33.Nb5 Kg6 34.Kf2 Kg5 35.Kf3 Nce7 36.g3 Kg6 37.Nbc3 Nb4 38.Nf4 Kf7 39.Nb5 Ned5 40.Nd6 Ke7 41.Nd5 Nd5 42.g4 fg4 43.Kg4 Kf8 44.Kh5 Kg7 45.Ne8 Kf7 46.Nf6 Nf4 47.Kh6 Ne2 48.Ne4 Nd4 49.Ng5 Ke7 50.Kg6 Ne2 51.Nh3 Nd4 52.Ng1 Nf5 53.Nf3 Ne3 54.h4 Ng2 55.Kg5 Kf7 56.h5 Ne3 57.Kh6 Ng4 58.Kh7 Kf8 59.h6 1–0. Berry,Jonathan – Gaulin,Gaetan, corr CCCA K–36, 1979. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Bd3 Qc7 9.Qf3 a5 -/+.

    8.Bd3 Qc7 9.Nf3 b6 10.0-0 Bb7 (10...a5 11.Qa4 Bd7 12.Qa2+=) 11.e5 White gains space 11...Ne4 The backward pawn on c3 becomes a target. Black threatens to win material: Ne4 (11...Nfd7 12.c4+=) 12.Qe1 d5 13.Be4 de4 Black has the pair of bishops 14.Nfd2 Qc6 15.Qg3 0-0 16.Re1 White threatens to win material: Re1xe4 16...Kh8 (16...Qc7 17.Ne4 Qd8 18.Qf3=) 17.Ne4 (17.Ba3 Ba3 18.Na3 f5 19.ef6 Rf6 20.Ne4 Rg6=) 17...Nd7 (17...Qb5 18.Qf3=) 18.Ba3+= Ba3 19.Na3 (19.Ra3 a5=) 19...f5 (19...f6!?= should be investigated more closely) 20.Nd6+/- Ba6 (20...a6 21.Kh1+/-) 21.c4 g6 22.Qc3 Bb7? 23.Nb7?? not a good decision, because now the opponent is right back in the game 23...Qb7+/- 24.Nb5 a6 25.Nd6 Qc7 26.Qb2 Nf6 27.ef6 Qd6 28.d5 ed5= 29.f7 d4 Black has a new passed pawn: d4 30.Rad1 White threatens to win material: Rd1xd4 30...Rad8-/+ 31.Re5 Qf6 32.Rd4+= ½–½. Bove,Alessandro (1815) – Lo Curto,Emanuele (2080), ITA–ch U20, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Bd3 d5 9.e5 Ne4 10.Nf3 Bd7 11.0-0 Bc6 12.Qc2 (12.Re1 a5+=) 12...Nd7 (12...a5 13.Nbd2 Nd2 14.Bd2+=) 13.Nbd2 Qc7 (13...Nd2 14.Bd2 Nf8 15.f5+=) 14.Ba3 (better is 14.Be4!? is worthy of consideration 14...de4 15.Ne4+=) 14...Ba3 15.Ra3 Nd2 (15...Nb6 16.Raa1+= (16.Ne4? de4 17.Be4 Nc4-+)) 16.Qd2 (16.Nd2 Nb8+=) 16...h6 17.f5 ef5 18.Bf5 (18.Nh4 g6+=) 18...0-0 (better is 18...Nf8-/+) 19.Nh4? (19.Qe2 g6 20.Bd7 Qd7+=) 19...Bb5?? allows the opponent back into the game (better is 19...Ne5!? 20.Qf4 Qe7-+) 20.c4 (better is 20.Bd3 Bd3 21.Qd3+=) 20...Qc4?? gives the opponent new chances. (better is 20...Bc4 21.Rf4 Ne5 22.de5 Qe5-/+) 21.Rc1+/- Ne5 22.Rc4 (better is 22.Rg3 is the best option White has 22...Qe2 23.Qe2 Be2 24.de5+/-) 22...Nc4-/+ White wins the queen 23.Qb4 Na3 24.Qa3 Rfe8 25.Qg3 a5= 26.Bb1? Rac8-+ 27.Bd3 Rc1 28.Kf2 Bd7 29.Nf3? a4 30.Ne5 Be6-/+ 31.Qe3 Rec8 32.h4? a3-+ 33.Ng6 a2 34.Ne7 Kf8 35.Nc8 a1Q 36.Nd6 Rh1 37.h5 Qg1 38.Kf3 Qe3 39.Ke3 b6 40.Be2 Rb1 41.Nb5 Ke7 42.Nc3 Rb2 43.g3 Kd6 44.Nb5 Kc6 45.Na7 Kb7 46.Nb5 Rb3 47.Kf4 Kc6 48.Na7 Kd6 49.Nb5 Ke7 50.Nc7 g5 51.hg6 fg6 52.Ne6 Ke6 53.Bg4 Kf6 54.Be2 h5 (54...h5 55.Bh5 gh5 56.g4 h4 57.g5 Kg6 58.Kg4 h3 59.Kf4 h2 60.Ke5 h1Q 61.Kd6 Qh7 62.Kc6 Qe7 63.Kd5 Qd7 64.Ke5 Re3 65.Kf4 Qd4) 0–1. Reinke,Markus (2200) – Bayer,Ernst Wolfgang (2260), Oberliga NRW, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.Bd3 Nbd7 9.Nf3 e5 10.0-0 0-0=+ 11.Na3 a6 12.Nc4 ef4 13.Bf4 d5-/+ 14.ed5 Nd5 15.Bd2 b5 16.Nce5 Ne5 17.Ne5 Bb7 18.Bh7+/- Kh7 19.Qh5 Kg8 20.Rf7?? Rf7 21.Qf7= Kh7 22.Qh5 Kg8= 23.Rf1 Nf6?? 24.Qf7+/- Kh7 25.Rf4 Ne4 26.Qg6 Kg8 27.Rf7 Bf6 28.Bh6 Qf8 29.Rf8 Rf8 30.Nd7 Rf7 31.Nf6 Nf6 32.Bg7! Be4 33.Qh6 Rg7 34.Qf6 Bg2 35.Qd8 Kh7 36.Kf2 Bb7 37.Ke3 Rf7 38.d5 Kg7 39.Kd4 Rf5 40.Qe7 Rf7 41.Qe5 Kf8 42.d6 Bc8 1–0. Romagnoli,F (1940) – Stavru,Alessandro (1900), Caorle op, 1988.

    8.e5 Nd5 9.c4 Nb6 (better is 9...Nb4 10.ed6 Bd6+=) 10.ed6+/- Bf6 11.Ba3 (11.Nf3 a6+/- (11...Qd6? 12.c5 Qd8 13.cb6+-)) 11...Bd7 12.Nf3 0-0 13.Nc3 (13.Be2 Bc6 14.Qd3 a5+/-) 13...Bc6+= 14.Be2 Bf3 15.Bf3 (15.gf3 Nc6 16.Rc1 Bd4-+) 15...Nc6 (15...Nc4!? 16.Bb7 Na3 17.Ra3 Qd6=) 16.Bc6+/- bc6 17.Qd3 Re8 (17...g6 18.0-0+/-) 18.0-0 g6 19.Bc5 (19.Ne4 Bg7+/-) 19...Bg7 20.Rfb1 (20.Ra6!?+/-) 20...Nc8+= 21.Ne4 f5 22.Ng5 Nd6 23.Ra7 Ra7 24.Ba7 h6 25.Nf3 Qd7 26.Bb8 Rd8 27.Rb3 Nb7 28.Ba7 Na5 29.Rb8 Rb8 30.Bb8 Nb7 31.Ne5 Be5 32.Be5= Nd6 33.d5 Ne4 34.Qa3 Qb7 35.h3 cd5 36.cd5 ed5 37.Qa5 Qd7 38.Qa8 Kf7 39.Qh8 Ke6 40.Qh6 Qa7 41.Kh2 Qf7 42.Qh8 Qe7 43.Qg8 Qf7 44.Qc8 Qd7 45.Qg8 Qf7 46.Qb8 Qd7 47.Qb6 Kf7 48.Qb8 Ke6 Twofold repetition 49.Bd4 Kf7 50.Qh8 Qe6 51.Qg7 Ke8 52.Bb2 Qf7 53.Qh8 Kd7 54.Qa8 Qe6 55.Ba3 Qc6 56.Qf8 Qe6 57.Qb4 Ke8 58.Qb8 Kd7 59.Qb7 Ke8 60.Qb5 Qd7 61.Qb8 Kf7 62.Qh8 Ke6 63.g4 Qc7?? 64.Qe8+- Kf6 65.Bb2 Nc3 66.Qh8 Ke6 67.gf5 Kf5 68.Qc3 Qf4 69.Kg2 Qb8 70.Qf6 Ke4 71.Qf3 1–0. Perez Reclusa,JM (2090) – Carrasco Horrillo,R (1890), Euskadi–chTA, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.e5 Nd5 9.Bd3 Nc6 10.Ne2 Bd7 11.Na3 f6 12.ed6 Bd6 13.Nc4 Be7 14.0-0 0-0 15.f5 b5 16.Ne3 Ne3 17.Be3 ef5 18.Bb5 Qc7 19.Bc4 Kh8 20.Nf4 g5 (better is 20...Bd6!?+=) 21.Nd5+/- Qd8 22.Bd3 Be6 23.Ne7 Qe7 24.Bc1 Qd7 25.Ra6 Ne7 (25...Rfc8!?+=) 26.Ba3 Rf7? (26...Bd5 27.Qc2+/-) 27.Qe2 (27.Rd6 Qc8 28.Ba6 Qc3 29.Rf3+- (29.Re6 Qa3 30.Bd3 Rd8-/+)) 27...Bd5 28.Bc5 Ng6 (28...Bb7 29.Rd6 (29.Ra7?! Ra7 30.Ba7 Bg2 31.Kg2 Qa7+=) 29...Qc8 30.Bc4+-) 29.Bf5 (29.c4 Bb7 30.Bf5+- (30.Ra7?! Ra7 31.Ba7 Bg2 32.Qg2 Qa7+=)) 29...Qe8+/- 30.Qe8 Re8 31.Bg6 (31.Ra7?! Re2 32.Rfa1 Rg2 33.Kf1 Rh2 34.Rf7 Bf7=) 31...hg6 32.Ra7 (better is 32.Rff6!? Rf6 33.Rf6+/-) 32...Re2= 33.Rf2 Re1 34.Rf1 Re2 35.Rf2 ½–½. Hamann,Carsten (2190) – Schwarz,Oliver, Schleswig Holstein–ch VM, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.e5 Ne4 9.Bd3 d5 10.Qg4 g6 11.Nf3 Nc6 12.0-0 Na5 13.Ba3= Ba3 14.Ra3 Bd7 15.Re1 Qb6 16.Qh4 Bb5+/- 17.Be4 de4 18.Qf6 0-0=+ 19.Ng5 Bd3 20.h4? Nc4 21.Ra4 Qd8 22.Ne4= Be4 23.Qd8 Rfd8 24.Re4 b5 25.Ra6 Rd7 26.g4 Rb8 27.f5 ef5 28.gf5 gf5 29.Rf4 b4 30.cb4 Rb4-/+ 31.Nc3 Rb3 32.Ne2=+ Nd2 33.Kg2 Re3 34.Kf2 Re4 35.Re4+= fe4 36.Ke3+/- Nf3 37.h5 Ng5 38.Nf4 Ne6?? 39.Ne6+- fe6 40.Re6 Kf7 41.Rh6 Kg7 42.Ra6 1–0. Panchenko,Alexander N (2465) – Nekrasova,Elena (2085), Yalta op, 1996.

    8.e5 de5 9.fe5 Nd5 10.Bd3 0-0 11.Qh5 g6 12.Qg4 f5 13.Qe2 Bg5 14.Ba3 Rf7 15.Nf3 Be3 16.Ra2 f4 17.Qb2 Nc6 18.Bd6 a5 19.Na3 b6 20.Bb5 Bd7 21.Nc2 Rc8 22.Ra3 Ncb4-/+ 23.cb4 ab4?? 24.Re3= Bb5 25.Rb3 Ba4 26.0-0+/- Bb3 27.Qb3 Rc3 28.Qb2 Qc8 29.Nb4 Ne3 30.Re1 Ra7 31.Nd2 Qa8 32.d5 Rca3 33.Qd4 Ra1 34.Ra1 Ra1 35.Kf2 ed5 36.e6 Nf5 37.Qe5 Qa3= 38.Nc2 Qc1 39.Qd5+/- Qg1 40.Kf3 Rf1 41.Kg4 Nd6 42.e7 Kg7= 43.Nf1 Qf1 44.Qe5 Kf7=+ 45.Qf4 Qf4-/+ 46.Kf4 Ke7 47.Kg5 Nf7 48.Kf4 Kd6 49.g4 Kc5 50.h4 b5 51.h5 b4 52.hg6 hg6 53.Ke4 b3 54.Na3 b2 55.Nb1 Kc4 56.Na3 Kb3 57.Nb1 Nd6 58.Kd3 Nc4 59.g5 Ne5 60.Ke4 Nf7 61.Kf4 Kc2 (61...Kc2 62.Na3 Kc1-+) 0–1. Van Dijk,Bram (2275) – Rigo,Janos (2355), New York op, 1993.

    8.e5 de5 9.fe5 Nd5 10.Bd3 Qc7 Attacks the backward pawn on c3 11.Ne2 0-0 12.0-0 b6 13.Rf3 f6 14.c4 Nb4 15.Bh7?? (better 15.ef6 Rf6 16.Rf6 Bf6 17.Be4=+) 15...Kh7-+ 16.Rh3 Kg8 17.Nf4 Qc4 18.Na3 Qc6?? (better 18...Qd4 19.Qd4 Bc5 20.Qc5 bc5+-) 19.Ng6?? (better 19.Rh8! Kh8 20.Ng6 Kg8 21.Ne7 Kf7 22.Nc6 N8c6 23.ef6 gf6 24.Qh5 Ke7 25.Nb5+-) 19...Re8-+ 20.Rh8 Kf7 21.Qh5? (better 21.Ne7 Ke7 22.Qg4-+) 21...Rh8 22.Nh8 Kg8 23.Ng6?? (better 23.Qf7 Kh8 24.Bh6 gh6 25.ef6 Bf6 26.Qf6 Kh7 27.Qf7 Kh8 28.Qf8 Kh7 29.Rf1+-) 23...Nd5-+ 24.Bd2 (24.Bg5 A) 24...fg5 25.Rf1 Bf6 26.ef6 gf6 27.Qh8 Kf7 28.Ne5 Ke7 29.Qg7 Ke8 30.Qf7 (30.Nc6?! Nc6 31.Nb5 Nce7+-) 30...Kd8 31.Qf8 (31.Nc6 Nc6 32.Nb5 Nce7+-) 31...Kc7 32.Nc6 Nc6 33.Nb5 Kb7 34.Qe8+-; B) 24...Bc5 25.dc5 Qc5 (25...fg5? 26.Rf1 Qc5 27.Kh1+-) 26.Kh1 Nd7= (worse 26...fg5 27.Rf1 Nf4 28.Qh8 Kf7 29.Nf4 gf4 30.Rf4 Ke7 31.Qg7 Ke8 32.Rc4+-)) 24...Qa4 (24...Bb7 25.ef6 Bf6 26.Rf1-+) 25.Nc2 Qc4?? (better 25...Qe8-+) 26.Ne7+- Ne7 27.Qe8 Kh7 28.Qh5 (28.Ra3 Nf5 29.Rh3 Nh6 30.Bh6 Qf1 31.Kf1 Ba6 32.Ke1 g6 33.Qe7 Kg8 34.Qg7) 28...Kg8+- 29.Qe8 Kh7 30.Qh5 (30.Ra3 Nf5 31.Rh3 Nh6 32.Bh6 Qf1 33.Kf1 Ba6 34.Ke1 g6 35.Qe7 Kg8 36.Qg7) 30...Kg8+= 31.Qe8 (31.ef6 Bd7 32.f7 Kf8+-) 31…Kh7= ½–½. Kruglikov,Alexander (2000) – Tarielashvili,Diana, Chigorin Memorial (7), 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    8.e5 de5 9.fe5 Nd5 10.Qg4 Kf8 11.Nf3 Nc6 12.Bd3 Na5 13.0-0 Nb3= 14.Ng5 f5 15.ef6 Nf6 16.Qh5 g6?? 17.Nh7+- Rh7 18.Qh7 Nc1 19.Bg6 (19.Bg6 Qd4 20.cd4 Ne2 21.Kh1 Ng3 22.hg3 e5 23.Qh8) 1–0. Gutheil,Heinrich – Langhanke,Guenther, NRW–Liga I, 1996.

    8.e5 de5 9.fe5 Nd5 10.Qg4 g6 11.Nf3 a5 12.Bd3 Qc7 13.Bd2 b6 14.0-0 Ba6 15.Ba6 Na6 16.Bh6 b5 17.Nfd2 Nc3 18.Nc3 Qc3 19.Qf4 Kd7 20.Ne4 Qd3 21.Rfd1 Qe2 22.d5 Kc8 23.Qf7 Bb4 (23...Qe4 24.Qe7 Qe5+-) 24.Qe6 Kb7 25.Qc6 Ka7 26.Nc3 (better is 26.Rf1!? Rhf8 27.Bf8 Rf8 28.Rf8 Bf8+-) 26...Bc3 27.Qc3 Rhc8 28.Qa5 Kb7 29.Re1 Qc4 30.Qd2 Nb4 31.Ra8 (31.Rac1!? Qh4 32.g3 Qg4+-) 31...Ra8 32.Rc1 Qe4 33.Re1 Qc4 34.Rd1 Ra2 35.Qf4 Rg2 (35...Qc5 36.Qd4 Qc2 37.Qg4+=) 36.Kg2 Qe2 37.Kg3 Qd1 38.Qb4 Qd5 39.Bf4 Kc6 40.Qd6 Qd6 41.ed6 Kd7 42.Be5 b4 43.Kg4 b3 44.Kg5 Ke6 45.Kf4 g5 (45...Kd7 46.Ke4+-) 46.Ke4 1–0. Anton Gomez,Benjamin – Saldana,Enrique, Sicilian: wing gambit, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.f4 Nf6)

    6.d4 Nf6

    7.Bd3 a6 8.Nf3 b5 9.e5 Nd5 10.Bb5 Bb7 11.Bd3 Qc7 Attacking the backward pawn on c3 12.Bd2 Nc6 13.0-0 d6 (13...0-0 14.Be4=) 14.c4+= Ndb4 15.Bb4 Nb4 16.Qa4 Bc6 17.Qb4 de5 18.Qe1 (18.Qa5 Qa5 19.Ra5 Bf3 20.gf3 ed4+/-) 18...ed4 (better is 18...Bf3!? 19.gf3 ed4+/-) 19.Nbd2+- Rd8 (19...Bb7!?+-) 20.Ra6 0-0 21.Qe2 Rfe8 22.Ne5 Bb7 23.Ra7 (better is 23.Bh7 Kf8 24.Rb6 Bc5 25.Rb7 Qb7+-) 23...g6? (better is 23...Bc5 24.Ra2 Bd6+-) 24.Rb1 Rb8 25.Nf7! Qc8?? (25...Kf7 26.Rbb7 Combination) 26.Nh6 Kg7 27.Ng4 Bc5 (27...Bf8 28.Qe5 Kg8 29.Nf6 Kf7 30.Ne8 Ke8+-) 28.Qe5 Kf8 (28...Kf7 29.Qf6 Kg8 30.Nh6) 29.Qf6 Kg8 30.Nh6# 1–0. Sallai,Janos – Bajzat,I, MSE egyeni op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6)

    7.Bd3 h6 8.Nf3 0-0 9.0-0 d5 10.e5 Nfd7 11.Na3 Nc6 12.Nb5 a6 13.c4? (better is 13.Bb1!?+=) 13...dc4-+ (13...ab5?! 14.Ra8 dc4 15.Bb1=) 14.Bc4 (better is 14.Be4-+) 14...ab5 15.Ra8 bc4 0–1. Pirs,Matjaz (2470) – Gall,Cordula (2250), remoteschach.de, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 Nf6 5.ab4 Bb4 6.c3 Be7)

    7.Bd3 0-0

    8.Ne2 Nc6 9.0-0 b6 10.f4 (10.Nd2 d6=+) 10...d5 (10...a5 11.e5 Nd5 12.Na3=+) 11.e5=+ Ne4 12.Be4 (12.Nd2 Nd2 13.Bd2 g6=+) 12...de4-/+ 13.Nd2 (13.Ng3 Bb7=+) 13...Bb7 14.Ng3 Nd4 15.Nde4 (15.cd4 Qd4 Double attack) 15...Nb5 16.Qe1 (better 16.Qe2!? Be4 17.Ne4 Nc3 18.Nc3 Qd4 19.Be3 Qc3 20.Rfc1-/+) 16...Rc8 (16...Qd3 17.Bb2-+) 17.f5 Be4 18.Qe4 (18.Ne4 ef5 19.Rf5 Qd7-+) 18...Nc3 (18...Rc3!? 19.f6 gf6 20.Bh6-+) 19.Qg4-/+ Kh8 (19...Qd5 20.Ra7 Rc4 21.Bf4 Bc5 22.Kh1-/+) 20.Ra7 Rc7 (20...Bc5 21.Kh1 Qd4 22.Bf4=+) 21.Ra1 (21.Rc7 Qc7 22.fe6 Qc5 23.Kh1 fe6 (worse 23...Qe5 24.ef7 Nd5 25.Ne4=) 24.Rf8 Bf8-/+) 21...Qd5 (21...b5 22.Be3 Rc4 23.Qf3-/+) 22.f6 (22.Be3 Rc4 23.Rf4 Rf4 24.Qf4 ef5 25.Qf5 b5-/+) 22...gf6 23.ef6 Bc5 (23...Rg8 24.Qf3 (24.fe7?? Rg4 25.e8Q Rg8 26.Qg8 Kg8-+) 24...Bc5 25.Kh1 Qf3 26.Rf3-+) 24.Kh1 Rg8 25.Qh4 Bf8 (25...Qd4 26.Bf4 Rd7-+) 26.Rf4?? (better 26.Bf4 Rc4 27.Qh3=+) 26...Ne2-+ 27.Rf1 (27.Be3 Qe5 28.Re1 Nf4 (28...Qe3?! 29.Ne2 Rc2 30.Re4-/+) 29.Qf4 Qf4 30.Bf4 Rc2-+) 27...Rc2 (better 27...Rc4!? 28.Bf4 e5 29.Qh5 Nf4 30.Qf3-+) 28.Ne4 (28.Qh3 Qe5 29.Ne2 Qa1 30.Qf3-+) 28...Nc3 (28...Nc3 29.Bg5 Ne4-+) 0–1. Oberholzer,Francois (2030) – Amonatov,Farrukh (2630), PSS Prestige Rapid, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.Ne2 Nc6 9.0-0 e5 10.f4 d6 11.h3 ed4 12.cd4 Nb4 13.Nbc3 Nd3 14.Qd3 Ne8 15.f5 b6 16.Qg3 Bb7 17.e5 Kh8 18.Nf4 Nc7 19.Nh5 Rg8 20.Bf4 g6 21.ed6 gh5 22.de7 (22.Be5 f6 23.dc7-+ (23.de7?? Qe7 24.Bc7 Rg3 25.Bg3 Qe3 26.Bf2 Qc3-+)) 22...Qd4 23.Kh2 (23.Be3 Qc3 (23...Rg3 24.Bd4 Kg8 25.Ra2+=) 24.Rfc1 Qc1 (worse is 24...Rg3 25.Rc3 Rg2 26.Kf1-+) 25.Rc1 Rg3 26.Bd4 Kg8 27.Rc7 Rg2 28.Kf1 Rd2-+) 23...Rg3 24.Bg3 Qc3 25.Rae1 f6 26.Rg1 (26.Rc1 Qd2 27.Rg1 Nd5-+) 26...Rg8 27.Bh4 Ne8 28.Re2 Qc4 (28...Qc4 29.Rb2 Qh4-+) 0–1. Frink,Ferenc (2225) – Kraai,Jesse (2450), Zalakaros op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.Ne2 h6 9.0-0 a6 10.Ng3 Nc6 11.f4 d6 12.Be3 Bd7 13.Nh5 e5 (13...b5 14.Nf6 Bf6 15.Nd2+=) 14.f5 (better is 14.Nf6!? Bf6 15.fe5 de5 16.d5=) 14...ed4-/+ 15.cd4 Nb4 16.Nf6 Bf6 17.Bc4 Rc8 18.Nd2 (18.Qb3 a5-/+) 18...b5 19.Bb3 a5 20.Qe2 a4 21.Bd1 Nc2 22.Bc2 Rc2 23.Qg4 (23.Rfc1!? Qc7 24.Qe1-+) 23...Bg5 24.Bg5 Qg5 (24...hg5?! 25.Nf3-/+) 25.Qg5 hg5 26.Nf3 b4 27.Ng5 b3 28.e5 b2 0–1. Dan,Francisc (1665) – Veron,Andrei_Stefan (2005), Satu Mare ROM, Tasnad Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.e5 Nd5 9.Qh5 g6 10.Qh6 d6 11.ed6 (11.h4 Re8 12.h5 Bf8+=) 11...Qd6 12.Nf3 Nc6 13.0-0 Re8 14.Ng5 Bg5 15.Bg5 Qf8 16.Qh4 f6 17.Be3 Qe7 18.Re1 e5 19.Nd2 ed4 20.cd4 Ncb4 (20...f5 21.Qh6+=) 21.Bc4= Bf5 22.Ra5 Qd7 23.g4 (23.Qf6 b6 24.Raa1+=) 23...g5+= 24.Qg3 Bg4 25.Rd5 Nd5 26.Bd5 Qd5 27.Qg4 a5 28.Rc1 a4 29.Rc7 Qd6 (29...Qe6!? 30.Qd1 Re7+=) 30.Rb7= Qc6 31.Rd7 Qc2 32.Qf3 a3 33.Qf6 Qg6 34.Qg6= hg6 35.d5 Ra4 36.Nb3 a2 37.Rb7 Rd8 38.Kf1 Rd5 39.Ke2 Raa5 40.Na1+= Rdb5 41.Rc7 Ra4 42.Kd3 g4 43.Rc4 Rc4 44.Kc4 Rb1 45.Bd4 Kf7 46.Kd5 g5 47.Nc2 Kg6 48.Ke4 Rd1 49.Bc3 Rc1-/+ 50.Kd3 Rh1 51.Ne3 a1Q 52.Ba1 Ra1 53.Ng4 Kf5 54.Ne3 Kf4 55.Nc2 Ra2 0–1. Meissen,Frank (2495) – Penzler,Frank (2450), RSX8D – Challengers–1, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 Nf6 5.ab4 Bb4 6.c3 Be7 7.Bd3 0-0)

    8.Nf3 Qc7 9.0-0 (9.e5 Nd5 10.h4 f5 11.ef6 Bf6= (11...Rf6 12.Ng5 h6 13.Nh7 Nc3 14.Nf6 Bf6 15.Qg4+/-)) 9...d6 10.Bd2 (10.Bf4 Ne8+=) 10...a6 (10...e5 11.Qb3+=) 11.Re1 (11.e5 Nfd7 12.Bf4 de5 13.Be5 Ne5 14.de5 Nc6-/+) 11...b6 (11...e5 12.Be3-/+) 12.Na3 (12.Bf4 Ne8-/+) 12...Bb7-/+ 13.Ng5 (13.h3 Kh8-/+) 13...e5 (13...h6 14.Nf3-/+) 14.d5 (14.Bc4!?-/+) 14...h6 15.Nf3 Nbd7 16.Qc2 Nc5 (16...Nh7 17.Bf1-/+) 17.Reb1 (17.Be3 Qc8-/+) 17...Rfc8 (17...Rac8 18.Be3-/+) 18.Rb4 (18.c4 a5-/+) 18...Nd3 19.Qd3 b5 (19...Nd7!?-/+) 20.Rab1 (20.c4 bc4 21.Rc4 Qd8=) 20...Rab8 (better is 20...Qa5 21.Ra1 Bd5 22.ed5 e4 23.Re4 Ne4 24.Qe4 Bf6=) 21.R1b3?? (21.c4 Nd7=) 21...Qd7 (21...Nd7 22.Rb1 Nc5-/+) 22.Be3?? (better is 22.c4=) 22...a5 23.Rb5 Ba6 24.c4 Bb5 25.cb5? Bd8 26.h3 Bb6 27.Bb6 Rb6 28.Nd2 Rc5 29.Ndc4-/+ Rbb5 30.Nb5 Rb5 31.f3 Ne8 32.Ra3 Qa7 33.Kh2 a4 34.Ne5= Qb7 35.Nc4 Rb3 36.Qc2 Qb4 37.Rb3 Qb3 38.Qb3= ab3 39.Kg3 f6 40.Kf4+= Kf7 41.Ke3 Kg6 42.g3 Nc7 43.Kd3 Nb5 44.Nb2 f5 45.Kc4 fe4 46.fe4 Nc7 47.Kb3 h5? 48.Nc4+- Ne8 49.Nd2?? Kf6 50.Kc3 g5 51.Kd3 Nc7 52.Ke3 Nb5 53.h4 g4 54.Kf4 Nc3 55.Ke3 Nb5 56.Nc4 Kg6?? 57.Kf4+- Kf6 58.Nd6! Nc3 59.Nf5 1–0. Beck,Johannes – Mayer,Lucas, Baden–chT U16, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.Nf3 d6 9.0-0 Nbd7 10.Na3 a6 11.Bf4 d5 (11...e5 12.Bg3 (12.Be3 d5 13.de5 de4 14.ef6 Nf6 15.Be2 ef3 16.Bf3) 12...Nh5 13.Qd2 Nb6 14.Nc2 Ng3 15.hg3 Qc7 16.Ne3; 11...Nb6 12.Bd2 (12.Qb1 Nh5 13.Be3 Qc7 14.c4 Na4 15.e5 g6 16.Qb3) 12...d5 13.ed5 ed5 14.Qc2 Re8 15.Rfe1 h6 16.c4) 12.e5 (12.ed5 Nd5 13.Bd2 g6 14.h3 Qc7 15.Nb5 Qb8 16.c4) 12...Ne4 13.Qc2 (13.c4 f5 14.Qc2 g5 15.Be3 g4 16.Nd2) 13...f5 14.ef6 Ndf6 15.Be5 (15.c4 Bd7= (15...Bb4 16.Be5) 16.Ne5; 15.Ne5 Ng4 16.g3) 15...Bd7 16.Nb1 (16.h3+=) 16...Rc8 (16...b5 17.Re1+=) 17.c4 Bb5 18.c5 (18.cb5 Rc2) 18...Qd7 (18...Nd7+=) 19.Nbd2 (better is 19.Bb5 Qb5 20.Nbd2=) 19...b6!-/+ 20.Ra6 (20.cb6 Rc6) 20...Ba6 21.Ba6 bc5 22.Bc8 Rc8 23.Rc1 c4 24.Bf6 Nf6 (24...Bf6?! 25.Ne4 de4 26.Qe4=) 25.Ne5 Qe8 26.Rb1 Rb8 27.Rb8 (27.Re1 Bd6-/+) 27...Qb8 28.Nc6 Qb7 29.Ne7 Qe7 30.Qa4 Qb7 31.h3 h6 32.Nf3? Qb1 33.Kh2 c3 34.Qc6 c2 35.Qe6 Kh8 36.Qc8 Ng8 37.Ne5 c1Q 38.Qe6?? Qf4 (38...Qf4 39.g3 Qf2) 0–1. Dunne,P (1875) – Schlegl,O (2130), Open A Balatonlelle HUN, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.Nf3 d6 9.h4 Qc7 10.e5 de5 11.de5 Nfd7 12.Bh7?? (better is 12.Qe2-/+) 12...Kh7-+ 13.Ng5 Kg8 14.f4 g6 15.h5 (15.Be3-+) 15...Bg5 16.hg6 fg6 17.Qg4 Ne5! 18.Qg5 (18.fe5 Bc1) 18...Nd3 19.Kd2 (19.Ke2 Nc1 20.Rc1 Rf4-+) 19...Nc1 (19...Nf4 20.Kc2 e5 21.Bf4 Rf4 22.Qg6 Qg7 23.Qd6 Rf2 24.Kc1-+) 20.Kc2 (20.Qg6 Qg7 21.Qg7 Kg7 22.Rc1 Rf4-+) 20...Ne2 21.Rh6 (21.g3 Rf5 22.Qg4 Nd4 23.Kd1 Qg7-+) 21...Nf4 22.Qh4 Qg7 23.Nd2 Nh5 (better is 23...Nd5!? 24.Rh1 Qc3 25.Kd1-+) 24.Qg5 Nf4 25.Rah1?? (25.Qh4 Nd5 26.Rh1 Qc3 27.Kd1 Qa1 28.Kc2 Qa2 29.Kd1 Nc3 30.Kc1 Qa3 31.Kc2-+) 25...Qf6 (better is 25...e5-+) 26.Qf6 Rf6 27.Rh8 (27.Rh8 Kf7 28.R1h7) 1–0. Feller,J (2210) – Grom,W (1975), 11th European Senior Team, Velden AUT, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.h4 d5 9.e5+= Ne4 10.Qg4 f5 11.Qh3 Qc7 12.Ne2 Nc6 13.0-0 (13.f3 Nc5 14.dc5 Ne5= (worse is 14...Bc5 15.f4+/-)) 13...Rf7 (13...a6 14.Ba3+=) 14.f3 Nc3 (14...Nc5!? 15.dc5 Ne5+=) 15.Nbc3+= Nd4 16.f4 (16.Nd4? Qc3 17.Be3 Qd3-+) 16...Bd7 (16...Bb4 17.Nd4 Qc3 18.Nc2+=) 17.Be3 Ne2 (17...Nb3 18.Ra2+= (worse is 18.Ra7 Ra7 19.Ba7 b6-/+)) 18.Ne2+/- b5 (18...a5 19.Rfc1 Qd8 20.Rab1+/-) 19.Rfc1 (19.Nd4 Qb7+/-) 19...Qb7+= 20.g4 g6 (20...fg4 21.Qg4 a5 22.Nd4+/-) 21.h5 a5 22.Kf2 a4 (22...g5 23.gf5 ef5 24.Nd4+/- (24.fg5?! f4 25.e6 fe3 26.Ke1 Kg7+=)) 23.hg6 hg6 24.Rh1 Rg7 25.gf5 ef5 26.Rag1 (26.Bb5 Bb5 27.e6 Bh4 28.Qh4 Rh7 29.Qh7 Qh7 30.Rh7 Re8 31.Rah1 Re6 32.Rh8 Kf7 33.R1h7 Kf6 34.Rf8) 26...Kf7+/- 27.Nd4 Rag8 28.Bb5! Be6? (28...Bb5 29.Rb1) 29.Rb1 Qc8 30.Bc6 Qa6 31.Rhe1 a3 32.Rb5 Bd8 33.Ne6 (33.Ne6 Qc6 34.Nd8 Rd8 35.Bd4 Qc2 36.Kg1+-) 1–0. Rewitz,Poul (2245) – Bahtiri,Sabri, 22nd ECU Club Cup, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 0-0)

    8.h4 d6 9.Nf3 -/+.

    7.Bd3 b6

    8.Ne2 Bb7 9.Qc2 Nc6 10.e5 Nd5 11.Be4 (worse is 11.Bh7 Ncb4 12.Qa4 Rh7 13.cb4 Nb4-+) 11...Na5 12.Ba3 Rc8 13.Qd3 Rc7 14.Bh7 Ba3 15.Na3 Qh4 16.Be4 Nb4 17.cb4 Be4 18.Qg3 (better is 18.Qe3!? Nc4 19.Nc4 Rc4 20.Nf4+=) 18...Qg3+= 19.Ng3 Nb3 20.Nb5 (better is 20.Ne4!? Na1 21.Ke2-/+) 20...Rc2-/+ 21.Ra4? (better is 21.0-0 Na1 22.Ne4-+) 21...Bg2-+ 22.Ra3 0–1. Krustev,Goran – Popov,Ilian (2205), Sofia CSKA op, 2009. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 Nf6 5.Bd3 b6 6.ab4 Bb4 7.c3 Be7)

    8.e5 Nd5 9.Qg4 Kf8 10.Nf3 Bb7 11.0-0 Nc6 12.Ng5 h6 13.Nf3 Na5 14.Ra2 Rc8 15.Bb2 a6 16.Nfd2 h5 17.Qg3 g5 (17...Bh4 18.Qf3 Nc3 19.Bc3 Bf3 20.Nf3-+) 18.c4 (better is 18.Be4!?=) 18...Nf4-/+ 19.d5 ed5 20.cd5 Bd5 (20...Nd5?! 21.Be4+=) 21.Ra1 h4 22.Qe3 Ng2 23.Qd4 Nf4 24.f3?? Bc5 (24...Bc5 25.Ba3 d6 26.Bc5 dc5-+ (26...bc5?! 27.Qc3 c4 28.Ra5 cd3 29.Qa3-+; worse is 26...Rc5 27.ed6 Rh6 28.Re1-+)) 0–1. Weng,Peter (1775) – Zoeke,Lars (1680), Bezirksliga Muenster, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 b6)

    8.e5 Nd5 9.Qg4 g6 10.Ne2 Bb7 11.Na3 d6 (11...Nc6 12.Qg3+=) 12.f4 (12.ed6 Bd6 13.Nb5 f5=) 12...Bh4 13.g3 Be7 14.0-0 Nc7 (14...a6 15.Nc4-/+) 15.Nb5 (15.Qh3 Ba6 16.Ba6 Nba6 17.ed6 Qd6-/+) 15...Nb5 16.Bb5 Bc6 17.Bd3 (17.Bc6 Nc6 18.ed6 Bd6-/+) 17...de5-/+ 18.fe5 Qd5 19.Kf2 h5 (19...Qg2 20.Ke1-/+) 20.Qf4+= g5 21.Qe3 h4 22.Ke1 hg3 23.hg3 Rh1 24.Rh1 Qh1 25.Kd2 Qf3 (25...b5 26.Bb2 Qd5 27.Ba3 Ba3 28.Ra3+=) 26.Qf3 Bf3 27.Ke3 Bb7 28.Be4 Be4 29.Ke4 Nc6 30.Ng1 (30.Be3 f5 31.ef6 Bf6+=) 30...Na5-/+ 31.Ba3 Ba3 (31...Nb3 32.Ra2+=) 32.Ra3 Nc4 (32...Ke7 33.Nf3 Nc4 34.Ra4=) 33.Ra2 (33.Ra6 f5 34.ef6 Kf7=) 33...Ke7 34.Nf3 ½–½. Nowacki,Marian – Filipowicz,Andrzej, Poland–ch21 Warsaw, 1964. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 b6)

    8.e5 Nd5 9.Qg4 g6 10.h4 h5 11.Qg3 Rg8 (11...d6 12.Nf3+=) 12.Ne2 (12.Ba3 Bb7=) 12...Nc6 (12...d6 13.Nd2+=) 13.Nd2 (13.Ba3 Bb7=) 13...d6 14.f4 (14.Ne4 de5 15.de5 Qc7 16.Nd6 Bd6 17.ed6 Qd7=) 14...Kd7 (14...a5!?+=) 15.Ne4= Kc7 (15...Bb7 16.ed6 Bf8 17.0-0+=) 16.ed6 (16.Ba3 de5 17.fe5 Rf8+/-) 16...Bd6 17.Nd6 Qd6 18.Ba3 Qd8 (better is 18...Qd7!? 19.f5 Kd8 20.fg6 fg6+/-) 19.f5+- Kb7 (better is 19...e5 20.de5 Qe8+-) 20.Ba6!! (20.fg6?! Qd7+/-) 20...Ka6 21.Be7 Kb7 22.Bd8 Nd8 23.fg6 (23.c4 Nc7 24.f6 Re8+-) 23...fg6 (23...Rg6 24.Qf3 Kb8 25.Qh5+-) 24.0-0 Bd7 25.Qd6 (25.c4!? Nc7+-) 25...Bc6 (25...Bb5 26.Nf4 Nc7 27.Rfe1+-) 26.Rf8 (26.c4!? Ne3 27.d5 ed5 28.Qe7 Kc8 29.Qe3 dc4+-) 26...Rf8 27.Qf8 Nc7 (27...Kc8 28.Qg7 Bb5 29.Ng3+-) 28.c4 (28.Qg7 Be8+-) 28...a5 29.Nc3 a4 30.d5! ed5 31.cd5 Bd5 32.Nd5 Nd5 33.Qd6 Nc7 34.Rc1 Nde6?! 35.Qc6 Ka7 36.Qa4 Kb7 37.Qc6 (37.Qc6 Ka7 38.Ra1 Kb8 39.Qb6 Kc8 40.Ra8 Na8 41.Qe6 Kc7 42.Qg6+-) 1–0. Mordiglia,Riccardo (2015) – Canelli,Daniele, Asti op, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 b6)

    8.Nf3 Bb7 9.Qe2 d6 10.0-0 Nbd7 11.Re1 e5 12.Nbd2 0-0 13.Nf1 Re8 14.Ng3 Bf8 15.Qa2 d5 16.de5 (16.Bg5 Qc8 17.de5 de4 18.Ne4 A) worse is 18...Ne5 19.Ne5 Re5 20.Bf6+/- (20.Nf6 gf6 21.Bh7 Kg7 22.Bh6 Kh6 23.Qf7 Rg5+-); B) 18...Ng4+=) 16...Ne4 17.Ne4 de4 18.Bg5 Be7 19.Be7 Re7 20.Be4 Be4 21.Re4 Nc5 22.Rd4 Qc7 23.Rad1 Ne6 24.R4d3 Nf4 25.Rd4 Ng6 26.e6 (26.Rc4 Qb8 27.Re4 Ne5 28.Ne5 Re5 29.Re5 Qe5 30.Qa7 Re8= (30...Ra7?? 31.Rd8 Qe8 32.Re8)) 26...fe6 27.h4 (27.Rc4 Qb7+=) 27...h6 (27...Qc3 28.h5 Nf8 29.Ne5-/+) 28.R4d3 (28.Rc4 Qb8+=) 28...Ne5 29.Ne5 Qe5 30.Re3 Qf6 31.Rde1 Rae8 32.g3 Kh7 33.Re5 Rc7 34.c4 Ree7 35.h5 Rc5 36.Rc5 bc5 37.Qc2 Kg8+= 38.Rd1 Rb7 39.Rd2 Qe7 40.Qe4 a5 41.Ra2 Ra7 42.Rb2 Qd6-/+ 43.Qg6 Re7 44.Rb5 Rf7 45.Kg2 Rf6 46.Qe4 a4 47.Ra5= Rf2 48.Kf2 Qd2 49.Kf3 Qa5 50.Qe6 Kf8 51.Qd6 Ke8 52.Qe5 Kd8 53.Qd6 Kc8 54.Qf8 Kb7 55.Qg7 Qc7 56.Qb2 Ka7 57.Ke2 Qg3-/+ 58.Qb5 Qg2 59.Kd3 Qf3 60.Kc2 Qe2 61.Kc3 Qe1 62.Kc2 Qb4 63.Qd7= Kb6 64.Qd8 Kb7 65.Qd7 Kb8 66.Qd8 Ka7 67.Qc7 ½–½. Stawiarski,Edmond (2120) – Verdier,Patrice (2310), FRA–chT2 North, 2006. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 Nf6 5.Bd3 b6 6.ab4 Bb4 7.c3 Be7)

    8.Nf3 d6 9.0-0 Qc7 10.Qc2 e5 11.Na3 a6 12.Nb5 Qb7 13.Nd6 Bd6 14.de5 Be5 15.Ne5 0-0 16.Nc4 Nfd7 (16...h6 17.e5 Nfd7 18.Ba3+-) 17.e5 h6 18.Be4 Nc6 19.Bd5 (better is 19.Ba3!? Qc7 20.Bd6 Qb7+-) 19...Nb4 20.Bf7! (20.cb4?! Qd5 21.Rd1 Qc6+=) 20...Rf7 (20...Rf7 21.e6; 20...Kf7 21.Nd6) 21.cb4 Qc6 22.Qd3?? (better is 22.b5 Qe6 23.Nd6 Ne5 24.Qe4+-) 22...Bb7= 23.f3 Re7? (better is 23...b5!? 24.Na5 Ne5+=) 24.Bb2+- Qb5 25.Rad1 Nf8 (25...Qb4?? 26.Ba3 Ne5 27.Bb4 Nd3 28.Be7+- (28.Rd3?! Re6+-)) 26.Nd6 Qd3 27.Rd3 a5 28.b5 Bc8 29.Nc4 Re6 30.Rd6 Rd6 31.ed6 Bd7 32.Nb6 Rb8 33.Bd4 Bb5 34.Ra1 Rd8 35.Ra5 Rd6+/- 36.Bc5 Rd1 37.Kf2 Be8 38.Ra8 Kf7 39.Nc4 Ne6 40.Ne5 Kf6 41.Ng4 Kf7 42.Ne5 Kf6 43.Re8 Nc5 44.Ng4 Kf7 45.Rc8 Ne6 46.Rc4 Rd4 47.Rd4 Nd4 48.Ne3 Kf6 49.f4 g5 50.fg5 hg5 51.Kg3 Kg6 52.Kg4 Ne6 53.Nc4 Kf6 54.Nd2 Kg6 55.Nf3 Kf6 56.g3 Kg6 57.h3 Kf6 58.Nd2 Kg6 59.Ne4 Kh6 60.Kf5 Ng7 61.Kf6 Nh5 62.Kf7 g4 63.h4 Ng7 64.Nf6 Nf5 65.Ng4 Kh5 66.Nf6 Kh6 67.Ne4 Kh5= 68.Nf6 Kh6 69.g4 Nh4 70.Ne4 Nf3 71.Kf6 Kh7 72.Ng3 Nh2 73.g5 Ng4 ½–½. Dunne,Paul – Sirisena,Chantal (1920), Southend op London, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 b6)

    7.Bd3 Nc6

    8.Ne2 d6 9.0-0 Qc7 10.f4 e5 11.d5 Nb8 12.Ng3 0-0 13.fe5 de5 14.Kh1 Nbd7 15.Nf5 Bc5 16.Na3 a6 17.Qe1 Nh5 18.Qh4 Ndf6 19.Nc4 g6?? (19...b5 20.Nb2 Bf5 21.Rf5 Bb6+=) 20.d6+- Qd8? (better is 20...Bd6 21.Nfd6 b5 22.Rf6 bc4+-) 21.Ne7 Kg7 22.Rf6 Be6 23.Re6! fe6 24.Bg5 Qd7 25.g4 Rf3 26.gh5 Bf2 27.Qg4 Rd3 28.hg6 hg6 29.Bh6!! Kh6 30.Qg6 1–0. Lukac,Roman (2140) – Jelen,Peter Jr (2005), SVK–chT2C, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.e5 Nd5 9.Qg4 Kf8 10.Ne2 h5 11.Qh3 b6 (11...d6 12.f4=) 12.f4 g6 13.g4 (better is 13.Be4!?=) 13...Bh4 14.Kd1 hg4 15.Qg4 Bb7 16.Rg1 Nce7 17.Ng3 Qc7 18.Ne4 (18.Bd2!? Nf5 19.Nf5 ef5 20.Qe2+=) 18...Nf5-/+ 19.Qe2 Be7 20.Bd2 Rh4 21.Qf2 a6 (21...Rh3 22.Ng3-/+) 22.Ng3 (22.c4!? Nb4 23.Bb4 Bb4 24.Ng5-/+) 22...b5-/+ 23.Ke2 Rh3 24.Nf5 ef5 25.Bf5? (25.Rc1 Bh4 26.Qg1 Rd3 27.Kd3 Qc4 28.Kc2 Nb4 29.Kb2 Nd3 30.Kc2 Bd5-+ (30...Nc1?! 31.Kc1 b4 32.Ra4-+)) 25...Bh4 (better is 25...gf5 26.Rg8 Kg8 27.Qg2 Kf8 28.Qh3 Qc4 29.Kd1 Ke8-+) 26.Bh3 Bf2 27.Kf2 Ne7 28.f5 (28.Rg4 d6-+) 28...Nf5-+ 29.Bf5 gf5 30.Bg5 0–1. Krustev,G (2005) – Popov,Il (2245), BUL CSKA Semifinal, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.Bd3 Nf6)

    8.e5 Nd5 9.Qg4 g6 10.h4 h5 11.Qg3 Rg8 12.Ba3 Ba3 13.Ra3 Qc7 14.Ne2 f5 15.Nd2 Na5 16.0-0 b6 17.Ra5 ba5 18.Nc4 Kf8 19.Nd6 Qd8 (19...Nc3 20.Qg5 Qd6 21.ed6 Ne2 22.Be2+-) 20.Bc4 Ne7 21.Qg5 Rg7 22.Nf4 Rb8 23.d5 Rb6 24.Qf6 (worse is 24.de6 Rd6 25.ed6 de6 26.Qf6 Kg8 27.Be6 Kh7 28.Bc8 Nc6 29.Qg7 Kg7 30.Ne6 Kf6 31.Nd8 Nd8+-) 24...Kg8 25.de6 de6 26.Be6 (26.Nc8?! Qc8 27.Be6 Re6 28.Qe6 Qe6 29.Ne6 Rf7+-) 26...Kh7 27.Bc8 Rd6 28.ed6 (28.ed6 Nc6 29.Qg7 Kg7 30.Ne6 Kf6 31.Nd8 Nd8 32.Re1+-; 28.Qd6?! Qd6 29.ed6 Nc8+-) 1–0. Herbold,M (2155) – Holzwarth,Patrick (2040), 1st St Leon–Rot Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nc6 7.Bd3 Nf6)

    8.e5 Nd5 9.Qg4 g6 10.Bh6 d6 11.ed6 Qd6 12.Ne2 e5 13.Qf3 f5 14.de5 Ne5 15.Bb5 Bd7 16.Bd7 Qd7 (worse is 16...Nd7 17.Bg7 Rg8 18.Bd4+=) 17.Qh3 f4! 18.Qd7 (18.Nf4 Nf4 Combination; 18.Bf4 Qh3) 18...Kd7 19.Bg7 (19.Ra5!? Nd3 20.Kd2-/+) 19...Nd3-+ 20.Kd2 Nf2 21.Bh8 Rh8 (21...Nh1 22.Bd4-+) 22.Rf1 Ne4 23.Kc1 Bg5 24.Rf3 Nc5 (24...Ra8!?+=) 25.Ra7= Re8 26.Nd4 (better is 26.Ra2!?=) 26...Re1-/+ 27.Kb2 Ne3 (27...Rg1!? 28.g3 Rg2 29.Ka1 Rh2-/+) 28.Nd2 Nd3 29.Ka2 Kc8 30.Ra8 Kd7 31.Rh8 Be7 32.Rh7 Nc1 33.Kb2 Nd3 34.Ka2 Nc1 35.Kb2 Nd3 36.Ka2 ½–½. Gankin,Stanislav – Sorokin,Aleksey, Tomsk RUS, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.e5 Nd5 9.Qg4 g6 10.Bh6 Bf8 11.Qh3 (11.Bf8 Rf8 12.Nf3 f5 13.ef6 Nf6=) 11...Bh6 12.Qh6 Qe7 13.Ne2 (13.Nf3 Qf8 14.Qc1 d6=) 13...Qf8 (13...d6 14.Qg7 Qf8 15.Qf8 Rf8 16.ed6=) 14.Qd2 (14.Qf8 Rf8 15.Nd2 f6=) 14...Qg7 (14...d6 15.f4=) 15.Na3 (15.0-0 h5+=) 15...0-0 16.Nb5 (16.0-0 f6 17.ef6 Qf6=) 16...f6= 17.f4 a6 (17...fe5 18.de5 Qh6 19.g3+=) 18.0-0 (18.c4 Nf4 19.Nf4 fe5=) 18...Rb8 19.Nd6 Nc7 (19...b5 20.Rf3+=) 20.c4 (20.Ng3 f5+=) 20...Ne8 21.Ne8 (21.Ne4 f5 22.N4c3 b5+=) 21...Re8 22.Nc3 (22.d5 ed5 23.cd5 Nd8+=) 22...f5 23.d5 Nd8 24.Rfb1 Nf7 (24...g5 25.Rb3+=) 25.Ra6 (better is 25.c5!?+/-) 25...ba6 26.Rb8 g5 27.c5 Rf8 28.Na4 gf4 29.Qf4 Ne5 30.Bf1 Ng6 31.Qe3 ed5 32.Nb6 f4 (32...Ne7 33.Nc8 Nc8 34.Rb7=) 33.Qd3 Ne7 34.Nc8 Rc8 35.Rc8 Nc8 36.Qd5 Qf7 37.Qg5 Kf8 38.Qd8 Qe8 39.Qf6 Qf7 40.Qh8 Qg8 41.Qg8 Kg8 42.Ba6 Na7 43.Kf2+/- Kf7 44.Kf3 d6 45.cd6+- Ke6 46.Kf4 Kd6 47.Kg5+- Nc6 48.Bd3 Ke6? 49.Bh7 Kf7 50.Kh6 Ne5 51.h3 Nc4? 52.g4 Nd6 53.g5 Kf8 54.Bg6 Kg8 55.h4 Kh8 56.h5 Nf7= 57.Bf7 ½–½. Andersen,Harry (1680) – Aamodt,Freddy (1730), Sarpsborg CC–ch, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.Nf3 d6 9.0-0 Qc7 10.Na3 0-0 11.Nb5 Qb8 12.Ba3 Rd8 (12...e5 13.d5 a6 14.dc6 bc6 15.Ne5 cb5 16.Nc6+=) 13.e5 de5 14.Be7 Ne7 15.de5 Nd7 16.Re1 Ng6 (16...b6 17.Qc2 Ng6 18.Bg6 hg6 19.Nfd4=) 17.h4 (better is 17.Bg6!? hg6 18.Qd2=) 17...a6 (worse is 17...Nge5 18.Ne5 Ne5 19.Bh7 Kh7 20.Qd8+-) 18.h5 Ngf8 (18...Nf4 19.Nbd4-/+) 19.Nbd4+= Nc5 20.Bb1 Bd7 (20...b5 21.h6 g6 22.c4 bc4 23.Qc1-/+) 21.h6+= gh6 22.Nh2 Ng6 23.Ng4 Bc6 (23...Qc7 24.Qd2 h5 25.Nf6 Kg7 26.Nh5 Kf8 27.Qh6 Ke7 28.Nf6+-) 24.Nh6 Kg7 25.Qh5 Nd7?? (better is 25...Qc7=) 26.Nf7+- Rf8 (26...Ndf8 27.Nc6 bc6+-) 27.Ng5 Nde5 28.Nde6 Kf6 29.Nf8 Nf8 30.Nh7 Nh7 31.Qf5 Kg7 32.Qh7 Kf6 1–0. Padovani,Mike – Lovett,Dorr, Berkeley CC, 1980. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.Nf3 d6 9.Na3 0-0 10.Nc4 d5 11.Ncd2 Ne8 (11...e5 12.de5 Ng4 13.0-0 Nge5 14.Ne5 Ne5 15.Nf3 Nd3 16.Qd3 de4 17.Qe4-/+) 12.h4 de4 (12...Bd7 13.0-0=+) 13.Ne4= Nf6 14.Nf6 gf6 (14...Bf6 15.Ng5 h6 16.Bh7 Kh8 17.Be4=) 15.Bh6 Re8 16.Nh2 (better 16.0-0!?+=) 16...f5=+ 17.Nf3 Bf6 18.Ng5 e5 19.Bc4? (better 19.0-0 ed4 20.Qh5=) 19...ed4-+ 20.Kf1 Be6 (20...Ne5!? 21.Bb3 dc3 22.Qd8 Rd8 23.f4-+) 21.Be6 fe6 (21...Re6?! 22.Ne6 fe6 23.cd4 Qd4 24.Qd4 Bd4 25.Rb1=) 22.Rh3 Ne5 (better 22...dc3 23.Qh5 Qe7-+) 23.Nh7?? (better 23.Rg3 Ng4 24.Rg4 fg4 25.Qg4=+) 23...Kh7-+ 24.Qh5 (24.Bg5 Ng4 25.Bf6 Qf6 26.cd4 Re7-+) 24...Ng4 25.Rg3 Qd7 (better 25...Rh8 26.cd4 Qe8 27.Qe8 Rhe8-+) 26.Rg4= fg4 27.Bg5 Kg8 (27...Kg7!? 28.Qh6 Kf7 29.Bf6 Qb5 30.Kg1 Rg8 31.Bd4 Qf5=) 28.Bf6= Qh7 29.Qg4 Kf7 30.Bd4 Qd3 (30...Re7 31.g3=) 31.Kg1+- Rg8 (better 31...e5!? 32.Be3 Red8+- (32...Qc3?? 33.Qf5 Kg7 34.Rd1+-)) 32.Qh5+- Qg6 33.Qf3 Qf5 34.Qb7 Kg6 35.Ra7 Ra7 36.Qa7 Kh5 37.Qe7?? (37.f3 Kh6+- (37...Kh4?? 38.Qe7 Kh5 39.g4 Rg4 40.fg4 Qg4 41.Kf2 Qf4 42.Ke2+-)) 37...Qb1?? (better 37...Rg2! 38.Kg2 Qg4 39.Kf1 Qd1 40.Kg2 Qg4 41.Kh2 Qf4 42.Kg1 Qg4 43.Kh1 Qh3 44.Kg1 Qg4 45.Kf1 Qd1 46.Kg2 Qg4=) 38.Kh2+- Qf5 39.g3 Kg4 40.Be3 Rb8 41.Qg5 (better 41.Qd7!? Rb1 42.Qc6+-) 41...Qg5= 42.Bg5 Kf3 (better 42...e5!?=) 43.Be3+- Rc8 44.h5 (44.Kh3!?+-) 44...Kg4+= 45.h6 e5 (45...Rc3?? 46.h7 Rc8 47.Bd4+-) 46.Bd2 Rd8 47.Be3 Rc8 48.Bd2 ½–½. Larsen,Andr (1930) – Willson,Ollie (2080), Hastings Masters, 2019. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.Nf3 h6 9.0-0 d6 10.Na3 a6 11.Nc2 e5 12.h3 0-0 13.Ne3 Qc7 14.Re1 Nb8 15.Bd2 Be6 16.c4 Re8 17.Bc3 ed4 18.Nd4 Nc6 19.Rc1 Rac8 20.Nd5 Bd5 21.ed5 Nd4 22.Bd4 Bd8 23.Qf3 Re1 24.Re1 Nd7?? (better is 24...Qa5 25.Bc3 Qc7+=) 25.Re8+- Nf8 26.Qg4 g5 (26...Bg5 27.Qc8 Qc8 28.Rc8+-) 27.Qf5 (27.Bh7! Kh7 28.Rf8 Bf6 29.Qf5 Kg7 30.Bf6 Kf8 31.Qh7 Ke8 32.Qg8 Kd7 33.Qf7) 27...f6+- 28.Bf6 (better is 28.Bb6! Qf7 29.Rf8 Kf8 30.Qc8+-) 28...Bf6 29.Rc8 Qf7 30.Qe6 Kg7 31.Qf7 Kf7 32.Rc7 Ke8 33.Bf5 Bd4 34.Rb7 a5 35.Rb5 Bc3 36.Rb3 Bb4 37.Kf1 Ke7 38.g4 Nd7 39.Bd7 Kd7 40.Ke2 Ke7 41.Kd3 Kf6 42.Ke4 Bc5 43.Rb2 a4 44.f4 a3 45.Ra2 Bb4 46.f5 Bc5 47.Re2 Bb6 48.Kd3 Bc5 49.Kc3 Bb6 50.Kb3 Bc5 51.Kc3 Bb6 52.Kb3 Bd4?? 53.Re6+- Kg7 54.Rd6 1–0. Beltran,Horacio – Montero,Martin, Pan American–ch U16, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.f4 b6 9.Nf3 h6 10.0-0 0-0 11.Na3 a6 12.c4 Nb4 13.e5 Ne8 (worse is 13...Nd3 14.ef6 Bf6 15.Qd3+/-) 14.Be4 Rb8 15.f5 ef5 16.Bf5 d6 17.Bb1 d5 (better is 17...Bg4!? 18.ed6 Bd6+=) 18.Nc2+= Nc2 (better is 18...Bb7!?+=) 19.Qc2+/- g6 (19...f5!? 20.cd5 Bb4+/-) 20.Bh6+- Ng7 21.cd5 Bf5 22.Qb3 Bb1 23.Rab1 (23.Qb1?! Qd5 24.Ra6 b5+-) 23...Kh7 24.Bg7 Kg7 25.d6 Bd6 26.ed6 Qd6 27.Rbc1 Rfd8 (27...b5 28.Rc5+-) 28.Rc4 (28.Ng5 Qd4 29.Kh1 Qd5 30.Qc3 Kg8 31.Nf7 Qd4+-) 28...f6 29.Qc3 Rd7 30.Rc6 Qd5 31.Qc4 (better is 31.Re1+-) 31...Qc4 32.Rc4 a5 33.Rb1 Kf7 34.Rb5 Ke7 35.Kf2 Ra7 36.Rc6 Rab7 37.Ke3 a4 38.Rc3 Ra8 39.Ra3 Kd6 40.Kd3 Kc6 41.Kc4 Rba7 42.d5 Kc7 43.Nd4 Rh8 44.h3 Ra6 45.Rb4 Rha8 46.Nb5 Kd7 47.Kd4 Rh8 48.g4 f5 49.Ke5 fg4 50.hg4 Rha8 51.Kf6 Ra5 52.Kg6 Rg8 53.Kf5 Raa8 54.g5 Raf8 55.Kg4 Rf1 56.Rg3 Ra1 57.Rf4 Rg7 58.Rf6 Rb1 59.Rb6 Rb4 60.Kf5 Rf7 61.Kg6 Rff4 62.Rh3 Rh4 63.Rb7 Kd8 64.Rh4 Rh4 65.Kf6 Rf4 66.Ke6 Re4 67.Kf6 Rb4?? 68.g6+- (68.g6 Rg4 69.Rb8 Kd7 70.g7+-) 1–0. Ducay,Miroslav (1960) – Papp,Ladislav (1865), SVK–chT2D, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.f4 Qc7 9.e5+= Nd5 10.Ne2 Na5 (10...d6 11.Na3+=) 11.0-0= b6 12.f5 (12.Rf3 Bb7+=) 12...ef5 (12...Bb7 13.Qa4+=) 13.Rf5 0-0 14.Be4 (14.Qc2 Bb7+=) 14...Bb7 15.Qd3 (15.Qc2 Nc4+=) 15...g6 (15...Nb3 16.Ra2+=) 16.Bh6 Nb3 17.Ra2 Rfe8?? (17...Rfc8!?=) 18.Qf3 (better is 18.Rf7 Nd4 19.Bg6 (19.Qd4? Bc5 20.Rg7 Kh8-+) 19...Ne2 20.Re2 Bc5 21.Kh1+-) 18...Qc4?? (18...Ne3 19.Rf7 Qc4 20.Rg7 Kh8 21.Re7 Nf5 22.Bb7 Nbd4 23.Nd4 Qa2 24.Nf5 Qb1 25.Kf2 Qa2 26.Ke3 Re7 27.Ne7 Qd2 28.Kd2 Rg8 29.Qf6 Rg7 30.Bg7) 19.Rf7+- Bf8? 20.Na3 Nd4 21.Nc4?? Nf3+= 22.Rf3 Bh6 23.Nd6 Re5-/+ 24.Bd3? Be3 25.Re3 Re3 26.Bc4 Bc6 27.Nf4 Rf8 28.g3 Rf4! 29.gf4 Kg7 30.Ra7? Nf4 31.Ra1? Rc3 32.Re1 Nh3 33.Kf1 Rc2 34.Re7 0–1. Romagnoli,F (1940) – Scheck,Rudolf (2000), Caorle op, 1988. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.f4 d5 9.e5 Nd7 10.Ba3 +=.

    8.f4 g6 9.Nf3 d6 10.0-0 Bd7 11.e5 Nd5 12.g4 Qb6 13.Kh1 0-0-0?? (13...Na5 14.Bd2-/+) 14.Ba3?? (better is 14.c4+-) 14...Ne3-/+ (14...Nf4 A) 15.Bd6? Bd6 (15...Nd3?! 16.Qd3 Bd6 17.ed6=) 16.Be4 Be7-+; B) 15.ed6 Bf6 16.Bc4+=) 15.Qe2 Nf1 16.ed6 Bd6 17.Bd6 Be8 (17...Nd4!? 18.Nd4 Bc6 19.Nc6 Qc6 20.Be4 Qd6+=) 18.Be5 Ne5 19.Ne5 Bc6 20.Nc6 Qc6 21.Be4 Ng3? (better is 21...Qb6 22.Qf1 f5+/-) 22.hg3+- Qb6 23.Nd2 Qc7 (23...a6 24.Qc4 Qc7 25.Bb7 Kd7 26.Ba6 Qc4 27.Nc4 Ke7+-) 24.Ra7 Qc3 (24...Qb6 25.Qc4 Kb8 26.Rb7 Qb7 27.Bb7 Kb7 28.Ne4+-) 25.Bb7 Kb8 26.Ra8 Kc7 27.Ra4 Qg3?? 28.Bg2 Rc8 29.Qe5 (29.Qe5 Kd8 30.Qd6 Ke8 31.Bc6 Rc6 32.Ra8 Rc8 33.Rc8) 1–0. Vrban,Rok (2025) – Filipowicz,Adam (1805), II Miedzynarodowy Turniej Szachowy Poland, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    8.Bg5 d6 9.f4 0-0 10.Bf6 Bf6 (worse is 10...gf6 11.Qh5=) 11.Nf3 e5 12.fe5 de5 13.d5 Nb8 14.0-0 Nd7 15.Nbd2 Nc5 16.Bc2 Qc7 17.Qe1 Bg4 18.Nb3?? (better is 18.Qg3 Bd7 19.Nc4 Ne4 20.Be4 Qc4 21.Nd2 Qc5 22.Kh1-/+) 18...Nb3-+ 19.Bb3 Qb6 20.Kh1 Qb3 21.Rb1 Qa3 22.Rb7 Rac8 23.Ng1 Qc3 24.Qc3 Rc3 25.Ra7 Rc4 26.Re1 Bh5 27.Ra2 Rfc8 28.Nh3 Rc2 (better is 28...Bh4!? 29.Rea1-+) 29.Rc2 Rc2 30.Kg1 Bd8 31.Kf1 Kf8 32.Nf2 Rd2 33.Ra1 Bb6 (33...Bb6 34.Nh3 Bd4-+) 0–1. Marchena Hurtado,Ander – Olmo Vega,Diego (1880), Euskadi–ch U16, 2007. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 Nc6)

    7.Bd3 d5

    8.e5 Ne4 9.Be4 de4 10.Qg4 g6 11.Qe4 Bd7 12.Nf3 (12.Qb7?? Bc6 13.Qa8 Ba8-+) 12...Bc6 13.Qe2 Nd7 14.Bh6 (14.Ba3 0-0+=) 14...Nb6 15.Nbd2 Qd5 (15...g5 16.Ne4 Rg8 17.Nfg5 Bg5 18.Bg5 Rg5 19.Nf6 Ke7=) 16.0-0 (better 16.c4!? Qd8 17.0-0+=) 16...Bb5=+ 17.Qe3 (17.c4 Nc4 18.Rfc1 Nd6=+) 17...Bf1-/+ 18.Rf1 Nc4 (18...Qc6 19.Bg7 Rg8 20.Qh6=+) 19.Qe2 (19.Nc4 Qc4 20.Bg5 Bg5 21.Ng5 0-0=+) 19...Nd2-/+ 20.Nd2 Bf8 (20...Qc6!? 21.c4 a6-/+) 21.Ne4=+ Be7 (21...Qc6 22.Bf8 Kf8 23.Rb1=+) 22.Bg7 Rg8 23.Bf6 Rf8 (23...Qc6 24.Qf3=) 24.Rd1 Qd7 (24...b5!?=) 25.c4 0-0-0 26.d5 ed5 27.cd5 Bf6 28.Nf6 (28.ef6?! Rfe8=+) 28...Qa4 29.e6 (better 29.Rb1+-) 29...fe6=+ 30.Rc1 (30.Qe6 Kb8 31.Qe5 Ka8=+) 30...Kb8-/+ 31.Qe6?? (31.Nh7 Rf5 32.de6-+) 31...a6 (better 31...Qf4 32.Rd1 Rf6-+) 32.h3? (32.Qb6 Qb5 33.Qd4-/+) 32…Qf4 (32...Qf4 33.Rb1 Qf6-+ (33...Rf6?! 34.Qe7 Qf2 35.Kh2 Qf4 36.Kg1-/+)) 0–1. Martinez,Jorge Alexander – Rios,Cristhian Camilo, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5)

    8.e5 Nfd7

    9.Ra2 Nc6=+ 10.Nh3 (10.Qg4 g6=+) 10...Nf8 (10...Qc7 11.0-0=+) 11.0-0 Ng6 (11...Bd7 12.Qg4 Ng6 13.Qh5=) 12.f4 (12.Qh5 Qc7=) 12...Bd7 13.g4 White prepares the advance f5 (13.Ba3 a6=+) 13...Qc7 (13...0-0!?-/+) 14.f5= Nh4 15.Ng5 h6 16.Nf7 (better 16.fe6 fe6 17.Nh7=+) 16...Rf8?? (better 16...Kf7 17.fe6 Ke6 18.Bf5 Nf5 19.gf5 Kf7 20.Qh5 Kg8=+) 17.Nd6+- Bd6 18.ed6 Qd6? (18...Qd8 19.Re2 Qc8+-) 19.Ba3 Qc7 20.Bf8 ef5 (20...Kf8 21.fe6 Kg8 22.ed7 Qd7 23.g5+-) 21.Qe1 (better 21.Bg7 0-0-0 22.Bf6 fg4 23.Bh4 Rg8+-) 21...Kf8 22.Qh4 Re8 (22...Qd6 23.Bf5 Kg8 24.Bd7 Qd7 25.g5+-) 23.gf5 Re3 (23...Qd6 24.f6 Bh3 25.Qh3 Nd4 26.cd4 gf6 27.Qh6 Ke7 28.Qg7 Kd8 29.Qb7+-) 24.Rd2 (better 24.f6 Kg8 25.Rg2+-) 24...Kg8 (24...Qd6 25.f6 Rd3 26.Rd3+-) 25.Qf4 (25.Qf4 Qf4 26.Rf4+-) 1–0. Zala,Gyula (2080) – Koczo,Kristof (2165), First Saturday Junius FM–A, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5 8.e5 Nfd7)

    9.Ne2 Nc6 10.0-0 0-0 11.f4 (11.Nf4 a6+=) 11...f6 12.f5 (12.Qc2!? h6 13.ef6 Nf6 14.Re1+=) 12...fe5-/+ 13.fe6 Rf1 (13...Nb6 14.Rf8 Qf8 15.de5 Bc5 16.Kh1 Ne5 17.Nf4 Nd3 18.Qd3-+) 14.Qf1 Nf8 ½–½. Lange,Corinna – Umpfenbach,Carolina, GER–ch U15 Girls, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.Bd3 Nf6 8.e5= Nfd7)

    9.Ne2 Nc6 10.0-0 Nde5 11.de5 Ne5 12.Be3 Nd3 13.Qd3 b6 14.Nd2 0-0 15.Rfb1 Bb7 16.Bd4 Qc7 17.Qg3 Qg3 18.hg3 f6 19.f4 Bd6 20.Nf3 Rfe8 21.Ra2 Bc7 22.Bf2 e5 23.Rba1 a6 24.Nd2 Rac8 25.Rb2 b5 26.Nb3 Bd6 27.Rd1? (better is 27.Na5!? Ba8 28.Nb3+=) 27...Rc7 28.Na5 Ba8 29.Bb6 Bc5 30.Bc5 Rc5 31.Nb3 Rc7 32.Kf2 Kf7 33.Ra1 Bb7 34.Nbc1 Re6 35.Nd3 Rcc6 36.Nb4 Rb6 37.Nc1 Red6 38.Ncd3 e4 39.Nc5 Bc8 40.Ke3 f5 41.Rd2 Rg6= 42.Kf2 Rg4? 43.Rd5+/- Rbg6? 44.Rd8+- Rg3 45.Rc8 Rg2 46.Ke3 R6g3 47.Kd4 Rd2 48.Ke5 Kg6 49.Rc6 Kh5 50.Kf5 g6 51.Ke4 Rc3 52.Nca6 Re2 53.Kd4 Rce3 54.Rc5 Kg4 55.Nd5 Rg3 56.Rf1 h5 57.Nab4 h4 58.Nd3 Kh3 59.Rcc1 Rb2 60.Nf2 Kh2 61.Ne4 Ra3 1–0. Frink,Ferenc (2170) – Csiba,Peter (2000), SVK–ch op–A Banska Stiavnica, 2007. (=1.e4 e6 2.a3 c5 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5 8.e5 Nfd7)

    9.Ne2 Nc6+= 10.0-0 f5 11.Nf4= Nf8 12.Ba3 g6 13.Qf3 a6 14.Bb2 Na5 15.Nd2 Bd7 16.c4 (16.Ba3 Bg5=) 16...Bc6 (16...Bb4!? 17.Rad1 Bd2 18.Rd2 dc4-/+) 17.Qd1 Kf7 18.Bc3 (18.c5!?+=) 18...Nc4 19.Nc4 dc4 20.Bc4 Bd5?? (better is 20...b5 21.Bb3 b4=) 21.Bd5+- (21.Nd5?! ed5 22.Bb3 Ne6+/-) 21...ed5 22.Qb3 Qd7 (better is 22...Ne6 23.Nd5 Re8+-) 23.Nd5 Qe6 24.Qb7 Rd8 25.Nf4 Qc8 26.Qb3 Kg7 (26...Ke8 27.d5 Nd7 28.e6+-) 27.d5 g5 (27...Kh6 28.Rfc1 Qb8 29.Qb8 Rb8 30.Ra6+-) 28.e6 Kg8 (28...Kh6 29.Bh8 gf4 30.Be5+-) 29.Bh8 Kh8 (29...Qc7 30.Rfc1 Bc5+-) 30.Qb2 Kg8 31.Nh5 (31.Nh5 Ne6 32.de6+-) 1–0. Dhillon,J (1945) – Panakhova,E (2020), ch–UKR, Alushta UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6)

    9.Nf3 Nc6 10.Na3 Nb6 11.0-0 0-0 12.Nd2 f5 (12...Bd7 13.Re1+=) 13.f4 a6 14.Nc2 Rb8 15.Ne3 Na8 16.g4 b5 17.gf5 ef5 18.Qf3 Nc7 19.Kh1 Kh8 (19...b4 20.Bb2-/+) 20.Rg1+= b4 21.Bb2 bc3 22.Bc3 Bb4 23.Qg2 g6 24.Bb2 Ne6 25.Ba6? (better is 25.Rgf1-/+) 25...Nf4-+ (25...Ncd4 26.Bd4 Ba6 27.Ba7 Nf4 28.Qf3-+) 26.Qf3 (26.Qf2 Nh3 27.Qg2 Ng1 28.Bc8 Bd2 (worse is 28...Qc8 29.Kg1 f4 30.Nd1-+; 28...Rc8?! 29.Rg1 Na5 30.Nf3-+) 29.Qd2 Nf3-+) 26...Bd2 27.Ba3 Ba6 28.Bf8 Bd3 (28...Qf8?! 29.Ra6 Rb3 30.Rc6 Be3 31.Rd1-+) 29.Qf4 Be4 30.Rg2 Qf8 31.Qf2 Qb4 32.Nf1 (32.Rd1 Be3 33.Qe3 Ne5-+) 32...Bc3 33.Ra6 (33.Rc1 Bd4 34.Qd2 Qd2 35.Nd2 Bg2 36.Kg2 Ne5-+) 33...Qb2 34.Qg3 (34.Ra2 Qf2 35.Raf2 Bd4 36.Rf4-+) 34...Qe2 35.Kg1 Bd4 (35...Bd4 36.Rf2 Rb2 37.Ra8 Kg7 38.Rg8 Kg8 39.h4 Bf2 40.Kh2 Bg3 41.Kg3 Qf3) 0–1. Lopez de Lerma,RJ – Lazcano Fernandez,JM, Asturias–chT40 Primera A, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6)

    9.f4 Nc6+= 10.Ne2 (10.Ba3 a6+=) 10...0-0 11.0-0 f5 (11...f6 12.Qc2 h6 13.ef6 Nf6 14.Ba3+=) 12.ef6 (12.Ba3 Nb6+=) 12...Nf6 13.Nd2 (13.Ba3 Ba3 14.Na3 a6+=) 13...Bd7 (13...b6 14.Nf3-/+) 14.Nf3+= a6 15.Ne5 Ne5 (15...b5 16.Qd2+=) 16.fe5 Ne4 (16...Ne8 17.Bf4=) 17.Rb1 (17.Rf8 Bf8 18.c4 Qh4 19.Be4 de4=) 17...Qc7 18.Qc2 Rf1 19.Kf1 Rf8 (19...Bc6 20.Kg1+=) 20.Kg1+= Bb5 21.Bb5 ab5 22.Rb5 Bh4 23.Be3? (better is 23.g3 Qf7 24.Nf4-/+) 23...Qf7-+ 24.h3 (24.Bf4 g5 25.c4 gf4-+) 24...Qf1 (24...Bg5 25.Kh2 Be3 26.Qd1-+) 25.Kh2 Ng3! 26.Ng3 (26.Ng3 Qe1) 26...Bg3 27.Kg3 Qb5 28.Qd1 (28.Kh2 Rf5-+) 28...Kh8 (28...Qc4 29.Qe1-+) 29.Kh2 Qf1 (29...Qb2 30.Qd3-+) 30.Qg4 (30.Qb3 Qd3 31.Qb4 Kg8-+) 30...Qf5 31.Qh4 Qf7 32.Bg5 Rc8 33.Bd2 Ra8 34.Be3 Re8 35.Bd2 Qg6 36.Qf4 h6 37.Kh1 Kh7 38.Kh2 Ra8 39.Qf3 Ra2 40.Be1 Rc2 41.Bg3 Qe4 42.Qe4 de4 43.d5 ed5 44.e6 Rc3 45.e7 Rc8 46.Bc7 Kg6 47.h4 Kf7 (47...Kf7 48.Bb6 Ke7-+; 47...Rc7? 48.e8Q Kf6 49.Qd8 Re7 50.Qd5+-) 0–1. Claesen,Jeroen – Hultin,Johan (2235), Hallsberg op, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5 8.e5 Nfd7)

    9.Qg4 Kf8 10.Nf3 Nc6 11.h4 (11.0-0 h5 (11...f6 12.Qf4 Kg8 13.ef6 Nf6 14.Ba3 a5 15.Nbd2) 12.Qh3 (12.Qf4 h4 13.Ba3 Kg8 14.Nbd2 Ba3 15.Ra3) 12...h4= (12...a5 13.Na3 g5 14.g4 f5 15.ef6) 13.Na3 Nb6 14.Bd2 a5 15.Qg4; 11.Qf4 a5 12.0-0 a4 13.Ba3 h6 14.Nbd2 Ba3 15.Ra3) 11...Rb8 (11...f6 12.ef6 (12.Qf4 Kg8 13.ef6 Bf6 14.Qd6 Qe7 15.Qe7) 12...Nf6 13.Qf4= Kg8 14.Ba3 Nh5 15.Qe3) 12.Ng5 (12.0-0 f6 13.Qf4 Kg8 14.ef6 Nf6 15.Ba3) 12...h6 (12...Qe8 13.Nh7 Kg8 14.Ng5+/- f5 15.Qg3; 12...Kg8 13.0-0 Qe8 14.h5 f5 15.Qg3) 13.Nf7 (13.Nh7 Kg8 14.Bh6 Bf8 15.Bg5+= (15.Nf8 Rh6 16.Nd7 Bd7+=)) 13...Kf7= 14.Qg6 (better is 14.Bg6 Kf8 15.Qf3= (15.Qf4 Bf6 16.ef6 Qf6 17.Qd6 Kg8 18.Be8=)) 14...Kf8-/+ 15.Rh3 (15.Nd2-+) 15...Nde5! 16.de5 Ne5 17.Qh5 Nd3 18.Rd3 Bf6 (18...Ra8 19.c4-+) 19.Ra7 Qb6 (19...Bh4?! 20.Qf3 Ke8 21.Bf4=) 20.Ra1 Bd7 (20...Kg8 21.Rf3 Qc7 22.Bg5-/+) 21.Rg3 ½–½. Nguyen Quang Duc – Nguyen Ngoc Phung (2130), ch–VIE, Cao Lanh Dong Thap VIE, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5 8.e5 Nfd7)

    9.Qg4 g6 10.Ne2 Nc6 11.Bh6 Nb6 12.Nd2 Bd7 13.0-0 Qc7 14.Rfc1 a6 15.Rab1 Na5 16.h4 (16.Bg7 Rg8 17.Bf6 Bf6 18.ef6 h5=) 16...Nac4=+ 17.Nf3 (17.Bc4 Nc4 18.Nc4 dc4 19.Bg5=+) 17...0-0-0 (better 17...Na3!? 18.Ra1 Bb5 19.Bb5 Nb5-/+ (19...ab5?! 20.Qf4=)) 18.Qf4= Ba3 (18...f5 19.ef6 Qf4 20.Bf4 Bf6 21.Re1=) 19.Re1 (19.Rc2 f5=) 19...Bb5 (19...Nb2 20.Nc1=) 20.Ng5 Rd7 21.Bg7 Rg8 22.Bf6 h5 23.Rb3 (23.Nf3 Bb2=) 23...Ba4=+ 24.Rbb1 Bb2 (24...Nb2 25.Qg3=) 25.Nf3= Kb8?? (25...Bb5 26.Qg3=) 26.Nd2 (better 26.Bc4 Nc4 27.Nd2+-) 26...Ba3+= 27.Ra1 Bb2?? (27...Nb2 28.Bb1 (28.Ra3?? Nd3 29.Qg3 Ne1-+) 28...Bf8 29.Ra2+=) 28.Rab1?? (better 28.Ra2+-) 28...Ba3+= 29.Ra1 Bb2 30.Rab1 ½-½. Kanakaris,G (2400) - Jakubowski,K (2495), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5 8.e5 Nfd7)

    9.Qg4 g6 10.Bh6 Nc6 11.Nf3 Rb8 12.h4 Bf8 13.Bc1 Qc7 14.h5 (14.Bf4 h6=) 14...Rg8 (better is 14...Nb4!? 15.Kd2 Nd3 16.Kd3 Qc4 17.Kc2 Nc5 18.hg6 Qd3 19.Kb2 Qe2 20.Nbd2 Nd3 21.Kb1 fg6 22.Rh7 Rg8+=) 15.hg6= hg6 16.0-0 b5 17.Ng5 Nd8 18.Bf4 a6 19.Rc1 Nb6 (19...Be7!?-/+) 20.Nh7= Be7 21.Nf6 Bf6 22.ef6 Qb7 (better is 22...e5!? 23.Qe2 Nc6=) 23.Bb8 Qb8 24.Qh4 Nd7 25.Nd2 (better is 25.f4!?+/-) 25...g5= 26.Qh2 Qh2 27.Kh2 Nf6 28.Nb3 Nd7 29.Na5 Ke7 30.Rab1 Kd6 31.c4 dc4 32.Bc4 Nb7 33.Bb5 Na5 34.Ba6 Ba6 35.Ra1 Rc8 36.Rc8 Bc8 37.Ra5 f6 38.Ra7 f5 39.Kg3 Nf6 40.Rf7 Ne4 41.Kf3 g4 42.Ke3 Ba6 43.f3 gf3 44.gf3 Nc3 45.Ra7 Bb5 46.Ra5 Bc6 47.Ra1 Kd5 48.Ra5 Nb5 49.Ra1 Nd6 50.Rc1? Nc4 51.Kd3 Bb5 52.Kc3 Ne3 53.Re1 f4 54.Ra1 Be2 55.Ra5 Kd6 56.d5 Nd5 57.Kd4 e5 58.Ke4 Nc3 59.Kf5 Bd3 60.Kg5 Nd5 61.Ra3 Bc2 62.Ra6 Kc5 63.Ra2 Bd3 64.Ra4 Bc4 65.Kf5 Kd4 66.Ra7 Bd3 67.Ke6 Ne3 68.Rd7+= Kc3 69.Ke5 Ng2 70.Rg7 Bf1 71.Rd7 Bd3 72.Rg7 Bf1 ½–½. Mufics,Istvan (2250) – Kis,Jozsef (2275), HUN–chT2, 1994. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d5 8.e5 Nfd7)

    7.Bd3 d6

    8.Ra2 b6 9.f3 Bb7 10.Ne2 e5 11.Ng3 Nbd7 12.0-0 0-0 13.Nf5 Re8 14.Ba3 Qc7 15.Qb3 Rac8 16.Re2 Bf8 17.f4 ed4 18.e5 de5 19.Bf8 Nf8 (19...Kf8 20.fe5 Ne5 21.cd4 Nd3 22.Qd3 Re2 23.Qe2-+) 20.Bb5? (20.fe5 Re5 21.Re5 Qe5 22.cd4-+) 20...Bd5 21.Qb4 Re6 22.cd4? (better is 22.fe5!? d3 23.Bd3-/+) 22...e4-+ 23.Na3 Qc3 24.Qa4 a5 25.Rc2? Bb3 26.Rc3 Rc3 27.Nb1 Ba4 28.Nc3 Bb5 29.Nb5 Nd5 30.Rc1 g6 31.Nh6 Kg7 32.f5 Re8 33.Nd6 Re7 34.Ng4 Rd7 35.Ne8 Kh8 36.Rc8 Ne7 37.Rb8 Nf5?? 38.Nef6= Kg7 39.Rf8 Kf8-/+ 40.Nd7 Ke7 41.Nb6 Nd4 42.Kf2 f5 43.Ke3 Nc6 44.Nf2 Kd6 45.Na4 Kd5 46.Nb2 g5 47.g3 Ne5 48.Nfd1 Ng4 49.Kd2 Nh2 50.Ne3 Ke6 51.Ke2 f4 52.gf4 gf4 53.Nec4 Ng4 54.Na5 h5 55.Kf1 h4 0–1. Zala,Gyula (1995) – Gal,Hanna Krisztina (1920), First Saturday FM_A Dec, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Nd2 Nc6 9.Ne2 Bd7 10.0-0 a6 11.f4 0-0 12.Ng3 (12.Ba3 b5+=) 12...b5 13.Nf3 (13.Ba3 Qc7-/+) 13...Qb6 (13...Qc7 14.Qc2 h6 15.e5-/+) 14.e5+= de5 (14...Nd5 15.Qc2 b4 16.Bh7 Kh8 17.Bd3-/+) 15.fe5 Nd5 16.Bg5 (16.Ne2!?+=) 16...Nc3-/+ 17.Bh7 Kh8 18.Qd3 Nd4?? (18...Bg5 19.Qc3 Bf4-+ (19...Kh7?! 20.Ng5 Kg8 21.Ne2+=)) 19.Be7+/- Nf5 (19...Nf3 20.Kh1 Nd5 21.Bf8 (21.gf3? Ne7 22.Be4 Bc6-+; 21.Rf3?! Ne7 22.Qd7 Ra7+=) 21...Ne5 22.Qe2 Kh7 23.Bg7+-) 20.Kh1 Ne7 21.Qc3 (21.Ng5 g6 22.Qd2 Qc5 23.Nf7 Rf7 24.Rf7 Ne4+-) 21...Kh7 22.Qd3 g6? (better is 22...Ng6!? 23.Ng5 Kg8+-) 23.Qd7 (23.Ng5 Kg7 24.Nh5 Kh6+-) 23...Ra7 24.Qd2 Kg7 (24...Rd8 25.Qg5 Nd5 26.Ne4+-) 25.Qg5 Nf5 (25...Nd5 26.Nh5 Kh7 27.Nf6 Nf6 28.Qf6 Kg8+-) 26.Qf6 Kg8 27.Nf5 gf5 28.Rad1 Qe3 (28...Qc5 29.Qg5 Kh7+-) 29.Rd4 Rc7 (29...f4 30.Qg5 Kh8 31.Rf4 Qf4 32.Qf4 f6 33.ef6 Rh7+-) 30.Rh4 (30.Rh4 Qg1 31.Kg1 Rfc8 32.Rh8) 1–0. Rubach,Ingo – Stoecker,R, Pinneberg op, 1995. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Ne2 a6 9.0-0 0-0 10.Ng3 Nbd7 (10...Bd7 11.Qf3+=) 11.f4 Re8 (11...Qc7 12.Ba3+=) 12.c4 (12.e5 Nd5+=) 12...Nf8 (better is 12...e5+=) 13.e5? (better is 13.Nc3+=) 13...de5-+ 14.Bb2 ed4 15.Kh1 (15.Nd2 e5! 16.fe5 Ng4-+) 15...Bc5 16.Nh5 (16.Nd2 Qb6 17.Nb3 Rd8-+) 16...b6 17.Qf3 (17.Nd2 Bb7-+) 17...Rb8 (17...Ra7 18.Nf6 Qf6 19.Nd2-+) 18.Nd2 Bb7 19.Qh3 (19.Nf6 Qf6 20.Be4 Bc8-+) 19...Nh5 20.Qh5 Qe7 (20...Ng6 21.Nf3 Qf6 22.Ne5-+) 21.Rae1 (21.Ne4 Rbd8-+) 21...f6 (21...Bb4 22.Re2 Rbd8 23.f5-+) 22.Re2 Qf7 23.Qh3 f5 (23...Red8 24.Nb3-+) 24.Rfe1 (24.Nf3 Rbd8-+) 24...Ng6 25.Qg3 Be7 (better is 25...Qc7 26.Rf1 Rbd8-+) 26.Re6 (26.Nf3 Bb4 27.Rb1-+) 26...Bh4 27.Re8 (27.Qh3 Be1 28.Re8 Re8-+) 27...Re8 28.Re8 Qe8 29.Qh3 Qe3 (29...Nf4 30.Qh4 Bg2 31.Kg1 Qe3 32.Qf2 Nh3 (32...Qd3?! 33.Qf4 Qe3 34.Qf2 Qf2 35.Kf2+=) 33.Kg2 Qf2 (33...Qd3 34.Qd4 Qd4 35.Bd4 Nf4 36.Kf3+/-) 34.Kh3 Qe3 35.Kg2 Qd2 36.Kg1 Qd3 37.Bd4 Qd4 38.Kg2 Qc4-+) 30.Qf5 Bg2! (30...Bg2 31.Kg2 Qd2 32.Kf3 Qf2 (32...Qb2?! 33.Qd5 Kf8 34.Qa8 Ke7 35.Qb7 Kd6 36.c5 Kc5 37.Qc7 Kb4 38.Qc4 Ka3 39.Qa6 Kb4 40.Qc4 Ka5 41.Qa6 Kb4 42.Qc4 Ka3 43.Qa6 Kb3 44.Qc4 Ka3 45.Qa6=) 33.Kg4 Qg2 34.Kh5 Qf3 35.Qg4 Nf4 36.Kh4 Ng2 (36...Qd3 37.Qc8 Kf7 38.Qd7 Kf8 39.Qd6 Ke8 40.Qf4+=) 37.Qg2 Qg2 38.Bd4 g5 39.Kh5 Qh2 40.Kg5 Qd2 41.Kf5 Qd3 42.Ke5 Qc4-+) 0–1. Polanco,Brayan Arley (1850) – Mejia Garcia,Michelle (1995), Cali COL, 3rd Latinoamerican Cup–B, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Ne2 Nc6 9.0-0 0-0 10.f3 e5 11.d5=+ Na5 12.Be3 b6 13.Na3 Nd7 14.Qa4 Nb7 15.Bb5 Ndc5-/+ 16.Qc2 Bd7 17.Rfb1 Qc7 18.f4 ef4 19.Bf4 Bf6 20.Nd4 Rfe8 21.Re1 a6 22.Bd7 Nd7 23.Nc6 Na5 24.Na5=+ ba5 25.Re3 Qc5 26.Kh1 Be5 27.Qf2 Rab8 28.Nb1 Bf4 29.Qf4 Rb2 30.Rg3 Rf2 31.Rf3-/+ Rf3 32.Qf3? Qd5-+ 33.h3 Qc5 34.Nd2 Ne5 35.Qg3 Rb8 36.Nf3 Qc3 37.Rf1 Nf3 38.Qd6 Qe5 (38...Qe5 39.Qe5 Ne5-+) 0–1. Haub,Thorsten Michael (2295) – Chuchelov,Vladimir (2500), Eupen op, 1993.

    8.Ne2 Nc6 9.Na3 0-0 10.0-0 a6 11.f4 e5 12.h3 Rb8 13.d5=+ Na5 14.Qa4 Nd7 15.Be3 b6 16.Rab1 ef4 17.Nf4 Ne5 18.Be2 Bg5 19.Nc2 Qc7 20.Nd4? Bd7 21.Qb4 Nac4 22.Bc1 a5 23.Qb3 Bh6 24.Nh5? Nd2 25.Qc2?? Be3 26.Kh1 Nb1 27.Be3 Qc3 28.Rb1 Qe3 29.Nc6 Bc6 30.Rb3 Ba4 (30...Ba4 31.Re3 Bc2-+) 0–1. Lutz,Klaus Juergen (2270) – Nickel,Ruediger, Wiesbaden op, 1992.

    8.Be3 0-0 9.Nf3 +=.

    8.Be3 Nbd7 9.h3 (9.Nf3 0-0+=) 9...b6 (9...0-0 10.Nf3+=) 10.Ne2 (10.Qf3 a5+=) 10...Bb7 11.Nd2 e5 (11...Qc7 12.0-0+=) 12.f4-/+ 0-0 (12...d5 13.fe5 de4 14.Ba6+= (worse is 14.ef6 ed3 15.fe7 Qe7-/+)) 13.0-0+= Re8 (13...d5 14.fe5 de4 15.ef6 ed3 16.fg7+= (worse is 16.fe7 Qe7 17.Nf4 Qe3 18.Rf2 Rfc8-/+)) 14.Qb3 Bf8 (14...ed4 15.cd4 a6 16.e5=) 15.fe5= de5 16.Bc4 Qe7 17.Ng3 g6 (17...Rec8 18.Rad1=) 18.Rf3 (18.Bg5 Bg7=) 18...h6 (18...a6 19.d5 Qd6 20.Be2=) 19.h4 (19.Raf1 Bg7 20.d5=) 19...b5 (19...ed4 20.cd4 a6 21.h5=) 20.Bb5 (20.Qb5 Reb8 21.Qa5 ed4 22.cd4 Nb6+/-) 20...Reb8= 21.Bd7 Be4? (better is 21...Nd7 22.Qa2 Qe6+=) 22.Nge4+- (22.Nde4?! Rb3 23.Nf6 Kh8+/-) 22...Rb3?? (22...Ne4 23.Rf7! Qf7 24.Qf7 Kf7 25.Ne4 ed4 26.Bd4 Bg7+-) 23.Nf6 (worse is 23.Rf6 Rc3 24.Nc3 Qf6-/+) 23...Kh8 (23...Qf6 24.Rf6 (24.Nb3?! Qb6 25.Na5 ed4 26.Bd4 Bc5+-) 24...Rc3 25.Kf2+-) 24.Nb3 Bg7 (24...e4 25.Rf4 Bg7 26.Bc6+-) 25.Bc6 Rc8 26.d5 Bf6 27.Ra7 Qd6 28.Bc5 Qb8 29.Rb7 Qa8 30.Rf6 Qa2 31.Rff7 (31.Rff7 Qb1 32.Kh2+-) 1–0. Braeunlin,Herbert – Mueller, Wuerttemberg–ch, 1981. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d6 7.Bd3 Nf6)

    8.Nf3 0-0 9.0-0 Nbd7 10.Bg5 h6 11.Bh4 Qc7 12.Qe2 e5 13.Nbd2 Nb6 14.h3 Nh5 15.Qe3? Bh4-+ 16.Nh4 Qc3 17.d5 Nf4 18.Rfb1?? Bd7 19.Bf1 Qe3 20.fe3 Nh5 21.Nf5 Bf5 22.ef5 Ng3 23.Bd3 Nd5 24.Kf2-/+ Nh5 25.Rb7=+ Rfb8 26.Rb8 Rb8 27.Nc4 Rb3 28.Be2 Rc3 29.Ra7 Rc2-/+ 30.Ra8 Kh7 31.g4 Nc3 32.gh5= Re2 33.Kg1? f6 34.Nd6= Re3?? 35.Nf7+- g6 36.hg6+/- Kg7 37.Kg2 Ne4?? 38.Ra7+- Rg3 39.Kh2 Re3 40.Nh6! Kh6 41.Rh7 (41.Rh7 Kg5 42.g7 Re2 43.Kg1+-) 1–0. Asrul Sharaff,Omar – Yee,Aaron, Asia–ch Kuala Lumpur, 1996.

    8.Nf3 Nc6 9.0-0 0-0 10.Na3 a6 11.Qe2 Qc7 12.Nb5 Qb8 13.Nd6 Bd6 14.e5 Be7 15.Ng5 g6 16.ef6 Bf6 17.Qf3 Bg7 18.Ba3+/- Bd7 19.h4 b5 20.Bf8+- Qf8 21.Be4 Qe8 22.Nf7! Qf7 23.Bc6 Qf3 24.Bf3 Ra7 25.Be2 e5 26.d5 e4 27.Ra3 Rc7 28.Ra6 Bc3 29.Ra8 Kf7+/- 30.d6 Rb7 31.Rc1 b4 32.Ba6 Rb6 33.Bc4 Kf6 34.Rd1 b3 35.Rf8 (35.Rf8 Ke5 36.Rd5 Ke6 37.Rb5 Kd6 38.Rb6 Kc5 39.Rb3 Kc4 40.Rb7+-) 1–0. Ruhmke,Stephan (2235) – Mantau,Jan (2085), RSS7E schnell–36, 2008.

    8.Nf3 Qc7 9.0-0 e5 10.h3 Nbd7 11.Qb3 0-0 12.Na3 d5 13.Nb5 Qb6 (13...Qd8 14.ed5 e4=) 14.de5 (14.ed5 ed4 15.cd4 a5+=) 14...Nc5 (14...de4 15.ef6 Nf6 16.Re1-/+) 15.Qb1 (15.Be3!? Nb3 16.Bb6=) 15...Nfe4 16.Be3 Bh3?? (better is 16...Bd7 17.c4 dc4 18.Be4 Qb5 19.Bh7 Kh8 20.Bc5 Bc5+=) 17.gh3+/- Qg6 18.Kh2 Nd3 19.Qd3 Ng3? 20.Qg6?? Nf1+/- 21.Rf1 hg6 22.Ba7 Rfc8 23.Bd4 Bc5 24.Kg3 Bd4 25.Nfd4 Ra6 26.Rb1 Rc5 27.h4 Rb6 28.Kf4 Kh7 29.Rb3 Kg8 30.Ke3 Kf8 31.Kd3 Ke7 32.Kc2 Kd7 33.f4 Ke7 34.Kb2 Rc4 35.Ka2 Ra4 36.Kb2 Rc4 37.Kc2 Ra4?? 38.Rb1 Ra2+/- 39.Kd3 Rh2 40.Nf3 Rf2 41.Ke3 Ra2 42.Nfd4 Rh2 43.Nf3 Ra2 44.Rb3 Ra4 45.Nfd4 Ra1 46.Nc7+- Rb3 47.Nd5 Kd7 48.Nb3 Rh1 49.Nd2 Rh4 50.Ne4 ½–½. Estevez,Eric (1910) – Stoven,Gilles Noel (2040), Majeur–chT, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.f4 Nc6 9.Nf3 Qc7 10.0-0 e5 11.d5 Nb8 12.h3 0-0 13.f5 Nbd7 14.Qe2 Nc5 15.Bc2 Qb6 16.Kh2 Bd7 17.Na3 Rfc8 18.g4 Ba4 19.g5? (better is 19.Nd2!?-/+) 19...Bc2-+ 20.gf6? (20.Nc2 Nfe4 21.Ra3-+) 20...Bd3 21.Qg2 Bf6 22.Rg1 Ne4 23.Bh6 Qf2 24.Qf2 Nf2 25.Bg7 Bg7 26.f6 Bg6 27.fg7 Kg7 (better is 27...Rc3 28.Ne1-+) 28.Nb5 Ne4 29.Rae1 f5 (better is 29...Rc5!? 30.Re4 Rb5 31.Rb4 Rd5 32.Rb7-+) 30.Nh4 Kf6 31.Ng6 hg6 32.Re4 fe4 33.Nd6 Kg7 34.Nc8 Rc8 35.Rb1 b6 36.Ra1 Rc7 37.Ra4 Kf6 38.Kg2 Kf5 39.c4 Kf4 40.Kf2 Rh7 41.Ke2 g5 42.Ra3 Rd7 43.Rb3 Rc7 44.Rb4 Kf5 45.Kf2 Rc5 46.Ke3 Ra5 47.Rb3 Ra1 48.Kd2 Ra2 49.Kd1 Rh2 50.Ra3 a5 51.Rb3 a4 52.Ra3 Kf4 53.d6 e3 54.Ra4 Kf3 Black prepares the advance e2 55.Ra7 Rh1 56.Kc2 e2 57.Ra3 Ke4 (57...Ke4 58.Kd2 e1Q 59.Kc2 Qb1 60.Kc3 Rc1 61.Kd2 Qc2) 0–1. Buryshin,V (1980) – Bereziuk,Y (2070), ch–UKR b18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6)

    8.f4 Nc6 9.Nf3 Bd7 10.0-0 Qc7 11.e5 Nd5 12.Bd2 g6 (12...0-0 13.Na3 de5 14.fe5=) 13.Na3= Rd8 (13...0-0 14.Nb5 Qb8 15.Qb3 de5 16.fe5=) 14.Qb3 (14.c4 Ndb4 15.Nb5 Qb8 16.Bb4 Nb4 17.Na7 de5 18.fe5 0-0+/-) 14...a5 (14...Na5 15.Qa2 de5 16.Nb5=) 15.Rfb1 (15.Nb5 Qb8+/-) 15...Bc8 16.Nb5 Qb8 17.Be4 (17.c4 Nc7+/-) 17...0-0 (17...de5 18.fe5 f5 19.Bd5 ed5 20.c4+/-) 18.c4+/- (18.Bd5?! ed5 19.ed6 Bd6 20.Nd6 Qd6=) 18...Nc7? (better is 18...Ndb4 19.Bc6 Nc6 20.Ba5 Na5 21.Ra5 Bd7+/-) 19.Nd6+- (19.ed6?! Bd6 20.Nd6 Rd6+-; 19.Ba5?! Na5 20.Ra5 d5+/-) 19...Bd6 20.Bc6 (20.ed6?! Rd6 21.Qb2 Ne8+/-) 20...Bb4 21.Bb4 ab4 22.Qb4 Ne8 (22...b5 23.Bb5 Nb5 24.Qb5+-) 23.Bb7 Bb7 24.Qb7 Ng7 25.Qb8 Rb8 26.d5 Rb1 27.Rb1 ed5 28.cd5 Nf5 29.d6 h5 (29...Ra8 30.h3+-) 30.Ng5 Rd8 (30...Nd4 31.g3+-) 31.Rb7 Nh6 32.Ne4 (32.Kf2 h4+-) 32...Kf8 33.Kf2 1–0. Peeters,T (2040) – Vanhee,F (1960), Open Geraardsbergen BEL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    8.Nf3 Nbd7

    9.Nbd2 0-0 A) 10.Qc2 A1) 10...Qc7 11.0-0 (11.Ba3 e5 12.0-0 Nb6 13.c4= –0.01) 11...e5 12.Nc4 ed4 13.cd4= 0.01; A2) 10...Kh8 11.Ba3 (11.0-0 b6 12.Re1 Bb7 13.Ba3= 0.00) 11...Nh5 12.0-0 Nf4 13.Nc4= 0.20; A3) 10...b6 11.0-0 (11.Ba3 Bb7 12.0-0 Kh8 13.Rfe1= 0.00) 11...Kh8 12.Re1 Bb7 13.Ba3= 0.00; B) 10.Qe2 B1) 10...a6 11.0-0 (11.Ba3 b5 12.0-0 Nb6 13.Rfb1+= –0.27) 11...b6 12.Bb2 Qc7 13.Ba6= –0.05; B2) 10...Nh5 11.Nb1 (11.Qe3 Qc7 12.0-0 e5 13.Ba3= –0.13) 11...Qc7 12.0-0 Rd8 13.c4= –0.01; B3) 10...b6 11.Ba3 (11.0-0 Bb7 12.Ba3 a6 13.Rfb1+= –0.27) 11...a6 12.0-0 Bb7 13.Rfb1+= –0.27; C) 10.0-0 C1) 10...Qc7 11.Qe2 (11.Qc2 e5 12.Nc4 ed4 13.cd4= 0.01) 11...Qc3 12.Ba3 Qc7 13.e5= 0.20; C2) 10...Re8 11.Qc2 (11.Ba3 Nh5 12.Nc4 d5 13.ed5= 0.00) 11...Qc7 12.Ba3 e5 13.Qb3= 0.06; C3) 10...b6 11.Qc2 (11.Ba3 Bb7 12.Re1 a6 13.Qc2= 0.00) 11...Bb7 12.Ba3 Kh8 13.Rfe1= 0.00.

    9.Nbd2 a6 A) 10.0-0 A1) 10...Nh5 11.Ba3 (11.Nc4 b5 12.Na5 Qc7 13.c4+= 0.36) 11...Nf4 12.Nc4 Nb6 13.Nb6+= 0.38; A2) 10...0-0 11.Qc2 (11.Ba3 b5 12.e5 de5 13.Be7= –0.22) 11...Kh8 12.Ba3 b5 13.c4= 0.14; A3) 10...b6 11.Ba3 (11.Qc2 Bb7 12.Ba3 Rc8 13.Rfb1= 0.04) 11...Bb7 12.Qc2 Rc8 13.Rfb1= 0.04; B) 10.Ba3 B1) 10...b6 11.Qc2 (11.0-0 Bb7 12.Qc2 Rc8 13.Rfb1= 0.04) 11...Bb7 12.0-0 Rc8 13.Rfb1= 0.04; B2) 10...0-0 11.Qc2 (11.0-0 b5 12.Qc2 Bb7 13.c4= 0.00) 11...Kh8 12.0-0 b5 13.c4= 0.14; B3) 10...b5 11.Qb1 (11.0-0 Rb8 12.e5 de5 13.Be7= –0.16) 11...0-0 12.0-0 Bb7 13.Re1= –0.10; C) 10.Qc2 C1) 10...Rb8 11.Ba3 (11.0-0 b5 12.Ba3 Bb7 13.Rfb1= 0.01) 11...b5 12.0-0 Bb7 13.Bb4= 0.06; C2) 10...Nh5 11.0-0 (11.Ba3 Nf4 12.Nc4 Qc7 13.e5+= –0.53) 11...Nf4 12.Ba3 0-0 13.e5= 0.05; C3) 10...b6 11.Ba3 (11.0-0 Bb7 12.Re1 h6 13.Nc4= –0.18) 11...Bb7 12.0-0 Rc8 13.Rfb1= 0.04.

    9.Nbd2 b6 A) 10.Qc2 A1) 10...Bb7 11.Ba3 (11.0-0 a6 12.Re1 h6 13.Ba3= –0.19) 11...h6 12.0-0 0-0 13.Rfe1= 0.00; A2) 10...h6 11.Ba3 (11.0-0 0-0 12.Nc4 Bb7 13.Ba3= –0.19) 11...Bb7 12.0-0 0-0 13.Rfe1= 0.00; A3) 10...0-0 11.0-0 (11.Ba3 Bb7 12.0-0 Kh8 13.Rfe1= 0.00) 11...Kh8 12.Re1 a6 13.Ba3= 0.00; B) 10.Ba3 B1) 10...Bb7 11.0-0 (11.Qc2 Rc8 12.e5 Nd5 13.ed6= 0.00) 11...0-0 12.Re1 a6 13.Qc2= 0.00; B2) 10...a6 11.0-0 (11.Qb1 Bb7 12.0-0 0-0 13.e5= –0.12) 11...Bb7 12.Qc2 Rc8 13.Rfb1= 0.04; B3) 10...0-0 11.0-0 (11.Qb1 Bb7 12.0-0 h6 13.Re1= –0.04) 11...Bb7 12.Re1 a6 13.Qc2= 0.00; C) 10.0-0 C1) 10...Bb7 11.Qc2 (11.Ba3 0-0 12.Re1 a6 13.Qc2= 0.00) 11...h6 12.Ba3 0-0 13.Rfe1= 0.00; C2) 10...a6 11.Qc2 (11.Ba3 Bb7 12.Qb1 0-0 13.e5= –0.12) 11...Bb7 12.Re1 0-0 13.e5= 0.11; C3) 10...0-0 11.Qc2 (11.Re1 a6 12.Ba3 Bb7 13.Qc2= 0.00) 11...Kh8 12.Re1 Bb7 13.Ba3= 0.00.

    9.Nbd2 Qc7 10.Ba3 A) 10...Nh5 11.g3 (11.0-0 Nf4 12.Qc2 f6 13.Rfb1= 0.10) 11...0-0 12.e5 Nb6 13.0-0+= 0.36; B) 10...e5 11.Qb3 (11.Qc2 0-0 12.0-0 Nb6 13.c4= –0.01) 11...Nh5 12.Qc4 Qd8 13.g3= 0.05; C) 10...0-0 11.Qc2 (11.e5 Nd5 12.ed6 Bd6 13.Bd6= –0.08) 11...e5 12.0-0 Nb6 13.c4= –0.01.

    9.Nbd2 Qc7 10.Qb3 A) 10...b6 11.Ba3 (11.0-0 0-0 12.Ba3 Re8 13.Rfe1= –0.24) 11...Nh5 12.Qc4 Qb7 13.e5+= 0.26; B) 10...0-0 11.Qc2 (11.0-0 b6 12.Ba3 Re8 13.Rfe1= –0.24) 11...Rd8 12.0-0 e5 13.Nc4= 0.00; C) 10...Nh5 11.Nc4 (11.Qc4 Qd8 12.Nb3 0-0 13.0-0+= –0.39) 11...0-0 12.0-0 b6 13.Qc2= –0.10.

    9.Nbd2 Qc7 10.Qc2 0-0 (10...e5 11.0-0 (11.Ba3 0-0 12.Qb3 Nh5 13.0-0+= –0.32) 11...0-0 12.Nc4 ed4 13.cd4= 0.01; 10...Nh5 11.0-0 (11.Ba3 Nf4 12.0-0 f6 13.Rfb1= –0.02) 11...Nf4 12.Ba3 f6 13.Rfb1= 0.10) 11.Ba3 (11.0-0 e5 12.Nc4 ed4 13.cd4= 0.01) 11...Re8 (11...e5 12.0-0 Nb6 13.c4= –0.01) 12.0-0 e5 13.Rfc1 (13.Qb3= 0.06) 13...b6 14.Nf1 (14.Qb3 Nf8+=) 14...Bb7 15.Ne3 g6 16.Ng5 (16.c4!?+=) 16...h6-/+ 17.Nf3 a6 (17...d5!? 18.Ne5 Ne5 19.de5 Ba3 20.Ra3 Re5 21.ed5 Nd5 22.Nd5 Bd5-/+) 18.Qb1 a5 19.Nd2 (19.c4 Qd8=) 19...Nh5 20.Nd5 (20.Bb5!?+=) 20...Bd5-/+ 21.ed5 Nf4 22.Bf1 Nd5 23.c4 Nf4 24.g3 Ne6 25.Bd3 (25.Bg2 Ra7-+) 25...Kg7 (25...Nd4 26.Bb2-+) 26.Nf3 Nd4 27.Be4? (27.Nd4 ed4 28.Be4 Ra7-+) 27...Rac8 (better is 27...Ne2 28.Kg2 Nc1 29.Ba8 Qc4-+) 28.Qb5?? (28.Nd4 ed4 29.Bb2-+) 28...Nb5 29.cb5 Nc5 0–1. Borkowski,Helmut (1785) – Smal,Tobiasz, IX Mistrz. Powiatu Gryfickiego Poland, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.Bd3 d6)

    9.Nbd2 Nh5 A) 10.Nb3 A1) 10...0-0 11.0-0 (11.Qc2 a5 12.Be3 Qc7 13.0-0= 0.02) 11...Qc7 12.e5 de5 13.de5= 0.05; A2) 10...Qc7 11.0-0 (11.c4 0-0 12.0-0 b6 13.Ng5= 0.01) 11...0-0 12.Qc2 a5 13.Be3= 0.02; A3) 10...b6 11.0-0 (11.c4 0-0 12.0-0 Bb7 13.Bd2= –0.13) 11...Bb7 12.c4 0-0 13.Bd2= –0.13; B) 10.Nb1 B1) 10...0-0 11.Qc2 (11.0-0 Qc7 12.Qe2 Rd8 13.c4= –0.01) 11...Qc7 12.0-0 a6 13.Re1= 0.05; B2) 10...a6 11.Qe2 (11.0-0 b6 12.Qe2 Qc7 13.e5= –0.04) 11...Qc7 12.e5 de5 13.de5= 0.03; B3) 10...b6 11.0-0 (11.c4 Bb7 12.0-0 0-0 13.Nc3= –0.11) 11...a6 12.Qe2 Qc7 13.e5= –0.04; C) 10.Nc4 C1) 10...0-0 11.Qc2 (11.0-0 d5 12.ed5 ed5 13.Nce5= 0.07) 11...a5 12.Na3 Nb6 13.0-0+= 0.26; C2) 10...Qc7 11.0-0 (11.Qc2 Nhf6 12.e5 de5 13.de5= 0.07) 11...a6 12.Qe2 0-0 13.e5+= 0.45; C3) 10...d5 11.Nce5 (11.ed5 ed5 12.Nce5 Qc7 13.0-0= 0.07) 11...de4 12.Be4 Nhf6 13.Bd3= 0.10.

    7.e5 Nd5

    8.Bd3 0-0 9.Ne2 Nc6 10.0-0 d6 11.f4 f5 12.ef6 Bf6 13.Kh1 g6 14.Ng3 e5 (14...Nce7 15.Qb3-/+) 15.Bc4 Nce7 (better is 15...Be6+=) 16.fe5+/- de5 17.Bh6 (17.de5 Bh4 18.Rf8 Kf8 19.Ne4+-) 17...Bg7= 18.Bg7 Kg7 19.Rf8 Qf8 20.de5 Be6 21.Qb3 (21.Na3 Ne3 22.Qd3 Qf2=) 21...Qf2 (better is 21...Ne3!? 22.Na3 Nc4 23.Nc4 Qf7 24.Qb7 Bd5-+) 22.Na3 Ne3?? (22...b6 23.Nb5=) 23.Qa2?? (23.Qb7 Bd7 24.Bf1+- (24.Qa8?? Bc6 25.Qc6 Nc6-+)) 23...Qa2+= 24.Ba2 Ba2 25.Ra2 Rd8 26.h3 Nc6 27.Re2 Rd3-/+ 28.Ne4? Ne5 29.Kg1 N5c4 30.Nc4 Nc4 31.Nc5 Rd1 32.Kf2 b6 33.Na6 Rd2 34.Rd2-/+ Nd2 35.Ke3 Nc4 36.Kd4 b5 ½–½. Boettcher,Ulrich (1930) – Herbst,Wolf Dietrich, Seniors Derby 5th, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Bd3 b6 9.Qg4 g6 10.Bh6 Qc7 Exerts pressure on the backward pawn 11.Ne2 Nc6 12.Na3 a6 13.Bg5 Bb7 14.Nc4 b5 (14...Bf8 15.Qg3+=) 15.Be7= Ke7 (worse is 15...bc4 16.Bd6 Qb6 17.Bc4+/-) 16.Nd6 Na5 (16...f6 17.Qh4 g5 18.Qg3 fe5 19.de5 Ne5 20.Qe5=) 17.0-0 Bc6 18.Nf4 f6 19.Nd5 Bd5 20.Qf4 Raf8 21.Qh6 (21.Nb5 ab5 22.ef6 Kd8 23.Qc7 Kc7 24.Ra5 Bc4 25.Bc4 bc4 26.Ra7 Kd6 27.Ra6 Kc7+/-) 21...Kd8 22.Qg7 Rhg8 23.Nf7 Kc8 24.Qh7 f5 25.Nd6 Kb8 (25...Kd8!?+/-) 26.Rfb1 Rh8 27.Qe7 (27.Qg6 Rfg8 28.Qf6 Bg2 (28...Rg2 29.Kf1 Rgh2 30.Nb5 ab5 31.Ra5 Qc3 32.Rbb5 Bb7 33.Rb7 Kb7 34.Rb5 Ka7 35.Ra5 Qa5 36.Qh8 Qa1 37.Ke2 Qb2 38.Kd1 Rh8 39.Bc2 Qd4 40.Kc1 Rh1 41.Bd1 Qc3 42.Kb1 Rd1 43.Ka2 Ra1) 29.Qh8 Rh8 30.Bb5 Ka8 (30...ab5? 31.Rb5 Bb7 32.Raa5+-) 31.Ba6 Rg8-+) 27...Nc6 28.Qg5 Na7 29.Ra6 Qc3 30.Bb5 Bb7 31.Nb7 Kb7 32.Be2 Ka8 33.Bf3 Qf3 34.gf3 Rb8 35.Rba1 Rb7+- 36.f4 Kb8 37.Qe7 Nc8 38.Ra8 Kc7 39.Qc5 (39.Qc5 Kd8 40.Rc8) 1–0. Chaves,Jorge Antonio (1915) – Trindade,Rubens Jr (1825), Rio de Janeiro–ch Absoluto, 1988. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Bd3 Nc6 9.Qg4 g6 10.Nf3 d6 11.0-0 de5 12.de5 Qc7 13.Re1=+ Bd7 14.Bd2 (14.Ba3 f5 15.Qg3 0-0=+) 14...Na5 Attacking the isolated pawn on c3 15.Nd4 Nc4 (15...0-0 16.Bg5=+) 16.Ne6 Be6 17.Qc4 Qc4 18.Bc4 Nc7 (18...0-0 19.Be2=+) 19.Be6= Ne6 20.Be3 Bc5 21.Na3 Ke7 22.Bc5 Nc5 23.Nb5 a6 24.Nd4 Rhc8 25.Re3 (25.Kf1 h6=) 25...b5=+ 26.f4 Na4 27.Ra3 Rc4 28.g3 (28.Ne2 h5=+) 28...Rac8 (28...Nc3 29.Rec3 Rd4 30.Ra5-/+) 29.Ne2=+ R8c6 (29...Rd8 30.Kg2=+) 30.Rd3 Nb2 (30...R4c5 31.Kf2=+) 31.Rd2 (31.Rd6 Rd6 32.ed6 Kd6 33.Ra6 Kd7=) 31...Na4 32.Rd3 Nc5 33.Rd4 Ra4 34.Rda4 Na4 (worse 34...ba4 35.Kg2+=) 35.Kf2 Rc4 36.Ke3 Ke6 37.Nd4 Kd5 38.Kd2? (better 38.Ne2!?=+) 38...Nc3 (38...b4!? 39.Ra4 bc3 40.Kd3 Ra4 41.Ne2-+) 39.Rc3-/+ Rd4 40.Ke3 Re4 41.Kd3 (41.Kf3 Rc4 42.Rd3 Rd4-/+) 41...Rc4-+ 42.Ra3 Rc6 43.Ra2 b4 (43...f6 44.ef6 Rf6 45.h4-+) 44.Ra5-/+ Ke6 45.g4 (better 45.Ra4!? Rb6 46.Kc2-/+) 45...b3-+ 46.Ra1 Rb6 47.Kc3 b2 48.Rb1 g5 (better 48...Kd5-+) 49.f5 (49.fg5 Ke5 50.Kc2-+) 49...Ke5 50.Rb2 (50.Kc2 Kf4 51.Rf1 Kg4 52.Kb1-+) 50...Rb2 51.Kb2 Kf4 52.h3 Kg3 0–1. Beerdsen,Marco (1610) – Haan,Gertjan (1830), Groningen Netherlands, Festival–B, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Bd3 Qc7 9.Ne2 f5 10.Qc2 d6 11.f4 de5 12.fe5 0-0 13.0-0 Bd7 14.Qb3 Nc6 15.Bf5 (15.Nf4!? Nf4 16.Bf4+= (worse is 16.Rf4 Bg5-/+)) 15...Ne5-/+ (worse is 15...ef5 16.Qd5 Kh8 17.e6+/-) 16.Ng3 Nc4 (16...ef5?! 17.Qd5 Nf7 18.Nf5 Bf5 19.Qf5=) 17.Be4 a6 18.Na3 b5 (18...Rf1 19.Nf1 Na5 20.Qc2 Qc3 21.Bh7 Kh8 22.Bb2 Qc2 23.Bc2-+) 19.Qc2 h6 20.Nc4 Qc4 (20...bc4 21.Bh6 Bd6 22.Nh5+=) 21.Bh6 gh6 22.Bd5 Qd5 (22...ed5 23.Qg6 Kh8 24.Nh5 Rf1 25.Rf1 Qf1 26.Kf1 Rf8 27.Kg1+-) 23.Qg6 Kh8 24.Qh6 Kg8 25.Qg6 ½–½. Koltanyi,Imre (2070) – Bajnoczi,Peter, HUN–chT2 Erkel, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Bd3 Qc7 9.Qg4 Kf8 10.Nf3 d6 11.0-0 Nc6 12.Re1 de5=+ 13.de5 Na5 14.Nd4 a6 15.Qh5 h6 16.Re4 Rb8 17.Rg4 Nc6 18.Nf3 Ncb4 19.Rc4= Nd3 20.Rc7+/- Nc7 21.Ba3 Ba3 22.Na3 Nf4 23.Qh4+- (23.Qh4 g5 24.Ng5+-) 1–0. Sell,Achim (2200) – Vladimirov,Vladimir (2200), Eger op, 1988.

    8.Bd3 d6 9.f4 f5 10.ef6 Nf6 (worse is 10...gf6 11.Qh5 Kd7 12.f5= (worse is 12.Bh7 f5 13.Qf7 Qf8-+)) 11.Nf3 0-0 12.0-0 Nc6 13.Qb3 Kh8 14.Ng5 e5 (14...d5 15.Re1=) 15.fe5 (better is 15.Nf7!? Rf7 16.Qf7=) 15...de5+= 16.Nf7 Rf7 17.Qf7 ed4 18.Bb5 Ne5 (18...dc3 19.Bc6 bc6 20.Kh1-/+) 19.Qb3+= d3 20.Be3 Bg4 21.Bd4 Be2 22.Rf5 (22.Be5? Bc5 23.Kh1 Bf1-+) 22...Nc6 (22...Neg4!? 23.h3 Nh6=) 23.Bc6= bc6 24.Nd2 (24.Qb7 Rb8 25.Qc6 Rb2-/+) 24...c5 25.Bc5? (better is 25.Bf6 Bf6 26.Ne4 Bd4 27.Kh1+=) 25...Bc5-+ 26.Rc5 Qe7 27.Qc4 (27.Rca5 Qe3 28.Kh1 Qd2-+) 27...Qe3 28.Kh1 Qd2 29.Rc8?! (29.Rc7 Qb2 30.Rg1 Qb8-+) 29...Rc8 30.Qc8 Ng8 31.h3 (31.Qe8-+) 31...Qe3 32.Ra6 d2 (32...d2 33.Ra1 d1Q 34.Rd1 Bd1-+) 0–1. Hamann,Carsten – Eschholz,Enno, Schleswig Holstein–ch VM, 1994. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Bd3 Bg5 9.Ba3 Be7 10.Ne2 0-0 11.c4 Ba3 12.Ra3 Nb4 13.Bh7? (better is 13.c5+=) 13...Kh7-+ 14.Rh3 Kg8 15.Ng3 f5 16.0-0 Qg5 17.Nh5 g6 (better is 17...f4 18.Nd2 N8a6-+) 18.Rg3-/+ Qh6 19.Nc3 (19.Nf6 Rf6! 20.ef6 N8a6-/+) 19...Kf7 20.Nf6 Ke7?? (better is 20...Rh8 21.Rh3 Qg7 22.Rh8 Qh8-/+) 21.Rh3+- Qh3 22.gh3 N8c6 23.f4 d6 24.Nb5 (24.d5!? de5 25.dc6 Nc6 26.fe5 Ne5+-) 24...de5+/- 25.de5 Rd8 26.Qe1 Rh8 27.Qg3 b6 1–0. Lukac,Roman (2135) – Socha,Jaromir (2010), Tatry op Tatranske Zruby, 2007. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Nf3 a6 9.Bd3 b6 10.0-0 Bb7 11.Qc2 h6 12.Nbd2 Nf4 13.Be4 Be4 14.Qe4 Nd5 15.c4 Nc7 16.d5 d6 17.de6 fe6 18.ed6 Qd6? (better is 18...Bd6 19.Qg6 Kf8+/-) 19.Qg6+- Kf8 20.Bb2 Rg8?? (20...e5 21.Qf5 Ke8 22.Be5 Qd7 23.Qg6 Kd8 24.Qb6 Qc6+-) 21.Ne5 (21.Ne5 Qe5 22.Be5+-) 1–0. Lopez Heras,Arturo (1970) – Cabrera Jordan,Esteban (1710), Tres Cantos op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Qg4 Kf8 9.Bd3 Qc7 10.Ne2 b6 11.0-0 Bb7 12.f4 h5 13.Qh3 Nc6 14.Nd2 g6 15.Ne4 Na5 16.g4 f5 17.ef6= Nf6 18.Nf6 Bf6 19.g5 Be7 20.Bg6 Kg7 21.f5 Qc6 22.f6 Kg6 23.Nf4 Kf7 24.g6 Kg8 25.d5?? Bc5-/+ 26.Be3 Be3 27.Qe3 ed5?? 28.Qe5+- Qc5 29.Rf2 Rh6 30.f7 Kf8 31.Ne6! (31.Ne6 de6 32.g7 Ke7 33.f8Q Kd7 34.Qf7 Kc6 35.Ra5+-) 1–0. Lutz,Klaus Juergen – Koehler,Ronald, Wiesbaden op, 1988.

    8.Qg4 Kf8 9.f4 d6 10.Nf3 Nc6 11.Be2 Bd7 12.0-0 Rc8 13.Qg3 h5 14.h4 Qb6 15.Kh1 Na5 16.Nfd2 Nb3 17.Nb3 Qb3 18.Ba3 Kg8 (18...Nc3 19.Rc1 de5 20.Be7 Ke7 21.Rc3=) 19.ed6 (19.Bd6? Bd6 20.ed6 Qb2 21.Ra7 Qe2-+) 19...Bf6 20.Rc1 Qb6 21.Nd2 (21.Ra2!?=) 21...Nc3 (21...Rc3!? 22.Rc3 Qd4-+) 22.Rc3+= Rc3 23.Qc3 Bd4 24.Nc4 Bc3 25.Nb6 ab6 (worse is 25...Ba1 26.Nd7 Kh7 27.Bd3 (worse is 27.Bh5 Kg8 28.g4 g6=) 27...g6 28.Ne5+=) 26.Rb1 Ba5 27.Bb5 Bb5 28.Rb5 f6 29.Bb4 Bb4 30.Rb4 Kf7 31.Rb6 Rb8 32.g3 e5 33.fe5 fe5 34.Kg2 Ke6 35.Kf3 Rd8 36.Rb4 (36.Rb7 Rd7 37.Rb8 Rd6 38.g4-/+) 1–0. Berry,Jonathan – DeLaune,Richard, corr ch–North Atlantic, 1980. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Qg4 Bf8 9.Ba3 Qb6 10.Bd3 d6 11.Nf3 de5 12.Ne5 Nd7 13.Nc4 Qc7 14.0-0 N7f6 15.Qf3 Ba3 16.Nba3 Bd7 17.Ne5 0-0 (worse is 17...Nc3 18.Rfc1 Rc8 19.Bc4=) 18.Qh3 Nf4 19.Qg3 Nd3 20.Qd3 Bc6 21.f3 Nd7 22.Nc6 Qc6 23.c4 Rfd8 24.Rfd1 Nb6 25.Qb3 Rd7 26.c5 Nd5 27.Nc4 Rdd8 28.Nd6 (28.Na5!? Qe8 29.Nb7=) 28...b6+= 29.Ra6 0–1. Stubbs,Peter J (1925) – Langer,Mikhail (2270), Western States op, 2004. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Qg4 g5 9.Qh5 h6 10.Nf3 Nc6 11.Bc4 d6 12.0-0 de5 13.de5 Na5 (13...Qc7!? 14.Re1 Rg8=) 14.Bb5+= ½–½. Voelker,Christian (1975) – Wilger,Frank (2070), Muensterland Verbandsklasse–B, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Qg4 g6 9.Bd3 d6 10.f4 Bd7 11.Ne2 Qb6 12.Nd2 Nc3!-/+ 13.Nc4 Qb3 14.0-0 d5-+ 15.Nd6 Bd6 16.ed6 Ne2 17.Be2 f5 18.Qg5 0-0-+ 19.Ra3 Qb6 20.Rh3 Qd8 21.Qh6-/+ Rf7 22.Rff3 Qf6 23.Rhg3 Nc6 24.h4 Nd8 25.h5 Rg7 26.hg6 hg6 27.Rg5?? Rc8 28.Be3 Rc3 29.Rfg3 Be8?? 30.d7-/+ Bf7 31.Rh3 Kf8-+ 32.Qh8 Bg8 33.Kf1? Re3! 34.Re3 Qd4 35.Rf3 Qa4 36.g3?? Qd7-+ 37.Rd3 Nf7 38.Rc3 Nh8 0–1. Zayan,O (2160) – Sarwat,W (2330), Golden Cleopatra, 2003.

    8.Qg4 g6 9.Nf3 Nc6 10.Bd3 d6 11.0-0 de5 12.de5 Nc3! 13.Nc3 Qd3 14.Ne4 h5 15.Qf4 h4 16.Nf6 Kf8?? (better is 16...Bf6 17.Qf6 Rg8 18.Qh4 b5=) 17.Qh6!! (17.Qh6 Rh6 18.Bh6) 1–0. Pundt,Wilfried – Voelpel,Gerhard, Niedersachsen–ch Seniors, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Qg4 g6 9.Nf3 Nc6 10.Be2 0-0 11.Qg3 d6 12.0-0 de5 13.de5 Bc5 14.Bh6= Re8 15.Bg5 Qc7 16.c4 Nde7 17.Nc3 Nf5 18.Qf4 Ncd4 19.g4 h6 20.Bf6= Nf3 21.Bf3 g5 22.Bg5 hg5=+ 23.Qg5 Ng7. Vetter,Joachim (2530) – Staats,Carsten (2305), RS–Pyramide remoteschach.de, 2010.

    8.Qg4 g6 9.h4 h5 10.Qg3 Nc6 11.Bd3 Rg8 12.Ba3 Ba3 13.Ra3 Qc7 14.Ne2 b6 15.Nd2 f5 16.Nc4 Nde7 17.Nd6 Kd8 18.0-0 Qb8 19.c4 Nb4 20.Bb1 Bb7 21.Rd1 Kc7 (21...g5 22.Nf7 Ke8 23.Ng5+/-) 22.Nb5 Kd8 23.Qg5 Nbc6 (better is 23...Bc6!?+/-) 24.d5+- ed5 25.cd5 Ne5 26.d6 N5c6 27.Nc7 (27.de7 Ne7 28.Re3 Re8+-) 27...a6 28.Na8 (28.de7?! Kc7 29.Nf4 Na5+-) 28...Qa8 29.de7 Ne7 30.Re3 Re8 31.Nf4 Be4 (31...Bg2 32.Re7 Re7 33.Ne6 Ke8 34.Qg6 Rf7+-) 32.Be4 fe4 33.Nd5 (33.Rc3 Rf8 34.Ne6 Ke8 35.Rd7 Kd7 36.Rc7 Kd6 37.Qe7 Kd5 38.Rd7 Kc4 39.Rd4 Kb3 40.Qb4 Ka2 41.Rd2 Ka1 42.Qb2) 33...Qc6 34.Nf6 (better is 34.Re4 Qd6+-) 34...d5 35.Nd5 Kc8 36.Rc3 (36.Rc3 Qc3 37.Nc3+-) 1–0. Lukovski,Lev (1995) – Smits,Oswald (1730), GER–chA Seniors, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.Qg4 g6 9.Bh6 Qb6 10.Nd2 Nc6 (10...Nc3 11.Rc1 f5 12.ef6 Bf6 13.Rc3+/-) 11.Ngf3 (11.Rb1!? Qa5 12.Ne2+=) 11...Nc3 12.Bd3? (better is 12.Rc1 Nd5 13.Nc4-/+) 12...Nb4-+ 13.0-0 (13.Be4 Qb5 (13...Ne4?! 14.Qe4 Qb5 15.Kd1-+) 14.Ng5 d5-+ (14...Ne4?! 15.Qe4 Nd3 16.Kf1-+)) 13...Nd3 14.Ng5 (14.Bg5 Qb2 15.Ne4 Ne2 16.Kh1-+) 14...Qd4! 15.Qd4 Ne2 16.Kh1 Nd4 17.Nge4 (17.f4 Nf5 18.Rf3 Nb4-+) 17...Nf5 18.Bg5 Bg5 19.g4 (19.Ng5 Ne5 20.Ngf3 Nf3 21.Nf3 a5-+) 19...Bd2 20.gf5 Bb4 21.f4 b6 22.Ra4 Bb7 (22...Bb7 23.Kg1 Be4 24.Rb4 Nb4-+) 0–1. Schaffranietz,Horst (1990) – Kuenzner,Franz (2200), Regionalliga SW, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    8.h4 d6-/+ 9.c4 Nc7 10.ed6 Qd6 11.Nf3 Nc6 12.Bd3 (better is 12.Ba3!? Qd7 13.Be7 Qe7 14.h5-/+) 12...Nd4-+ 13.0-0 Nf3 14.Qf3 Qd4 15.Ra5 f5 (15...Bd6 16.h5-+) 16.g3 (16.Bf4 Qd8-/+) 16...0-0 17.Bf4 Qb6 18.Ra2 Na6 19.Be2 Nc5 20.Nc3 Bd7 21.Rb1 Qc6 22.Qe3 Qc8 23.Nb5 Ne4 24.Qb3 (24.Na7!? Qe8 25.Qd3-/+) 24...Bc5 25.Bf3 Bc6 (better is 25...a5-+) 26.Nc7-/+ e5 (26...Rb8!? 27.Na6 ba6 28.Qb8 Nf2 29.Qc8 Rc8-/+) 27.Be5= f4 28.Nd5 (28.Na8!? fg3 29.Bg3 Qa8 30.Re1 Rf3 31.Qf3 Nf2 32.Qf5 Nd3 33.Kf1 Ne1 34.Qc5=) 28...Nf2 29.Rf2? (29.Bd4 Ne4 30.Bc5 Nc5-/+) 29...fg3 (better is 29...Qh3 30.Bf4 Rf4 31.gf4 Qg3 32.Kh1 Qf2-+ (32...Bf2?! 33.Ne7 Kf8 34.Bc6-+)) 30.Bg3+= Qf5?? (better is 30...Qh3 31.Bg2 Qg4-/+) 31.Kg2?? Bf2?? 32.Ne7+- Kh8 33.Nf5 (33.Nf5 Bg3 34.Bc6 (34.Ng3?! Rf3 35.Qf3 Bf3 36.Kf3 b6+-) 34...bc6 35.Ng3+-) 1–0. Kadas,Gabor (2220) – Glatt,Gabor (2280), HUN–chT2 Erkel, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 Nf6 7.e5 Nd5)

    5.c3 Bf8

    6.d4 d6 7.Bd3 Nf6 8.Ne2 Be7 9.0-0 0-0 10.f4 e5 11.h3 (worse is 11.de5 de5 12.Be3 Ng4-/+) 11...Nc6 12.Be3 b6 13.Nd2 Bb7 14.d5 Nb8 15.Nf3 Nbd7 16.Ng3 Re8 17.Nf5 ef4 18.Bf4 Nc5 19.Bb5 (worse is 19.Ne7 Qe7 (19...Re7?! 20.Bg5+=) 20.Bb5 Rec8 (20...Nfe4?! 21.Be8 Re8 22.Re1+=) 21.Bd6 Qd6-+) 19...Rf8 20.e5 (20.N3d4 Qc7 21.Bd3 Nce4+/-) 20...Nfe4 (20...Nd5 21.Ne7 Qe7 22.ed6-+) 21.N3d4 g6 22.ed6 Bd6 23.Bh6 Nc3 24.Qg4+= N3e4 25.Nd6 Qd6= 26.Bc6 Bc6-/+ 27.Nc6 f5?? 28.Bf8= Rf8 29.Qh4 a5 30.Rab1 Nd3 31.Qe7 Qg3?? 32.Rb6 Qe3-+ 33.Kh2 Qb6 34.Rd1 Ndc5 35.Qe5 White intends d6 35...Qb7 36.Ne7 Kf7 37.d6 Qd7 38.Rc1 Qd6 39.Rc5 Qe5 40.Re5 Kf6 41.Ra5 Ke7 42.Ra7 Kf6 43.Rh7 Ra8 44.Rb7 Ra2 45.Rb6 Kg5 46.Re6 Nd2 47.Kg3 f4 48.Kf2 Ne4 49.Kg1 Ra1 50.Kh2 Ng3 51.h4 Kf5 (51...Kf5 52.Re5 Ke5 53.Kh3 Kf5 54.h5 Rh1) 0–1. Mufics,Istvan (2225) – Horvath,Jeno Kalman (2185), HUN–chT2, 1995. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8)

    6.d4 Ne7 7.Bd3 Ng6 8.Ne2 Be7 9.0-0 0-0 10.Ng3 d5 11.e5 Nc6 12.Qh5 Qe8 13.f4 f5 14.ef6 Rf6 15.Na3 Bd7 16.Nc2 Nf8 17.Qe2 Bd6 18.Ba3 Qb8 19.Bd6 Qd6 20.Qf3 e5 21.de5 Ne5 22.fe5 Rf3 23.ed6 Rd3 24.Nb4 Rd2 25.Rad1 Rd1 26.Rd1 Bc6 27.Nd5+= Bd5 28.Rd5 Nd7 29.Ne4 b6= 30.Kf2 h6 31.Ke3 Kf7 32.c4 Ke6 33.Kd4 a5 34.Kc3 a4 35.Rd2 a3 36.Kb3 a2 37.Ra2 Ke5?? 38.Ng3 ½–½. Schlesinger,Omri (2215) – Heinelt,Manfred, Hessen–ch qual–D, 1989.

    6.Nf3 Nc6 7.d4 d5 8.Nbd2 Nf6 9.Bd3 Be7 10.e5 Nd7 =+.

    6.d4 d5

    7.Nd2 Nc6 (7...Nf6 8.e5 Nfd7 9.Bd3 Qc7 10.Qc2 f6=) 8.Ngf3 Be7 9.Bd3 Nf6 10.e5 Nd7=+.

    7.ed5 ed5 8.Bd3 Nf6 9.Ne2 Nc6-/+ 10.0-0 Bd6 11.Bf4 0-0 12.Na3 a6 13.Qc1 Bg4 14.Ng3 Nh5 15.Nh5 Bh5 16.Nc2 Bg6 17.Ne1 Re8 18.Bg6 hg6 19.Nd3=+ Rc8 20.Qb2 Bf4 21.Nf4 Qd6 ½–½. Aufmwasser,Guenter (1800) – Voss,Ingo (2230), Seefeld op, 1997.

    7.ed5 ed5 8.Nf3 Nf6 9.Bd3 Be7 10.0-0 0-0 11.Ne5 Nbd7 12.f4 Re8 13.Nd2 Nf8 14.g4 (14.Qf3 Qc7+=) 14...Bd6 15.g5 N6d7 16.Qh5 Re7 (worse is 16...Ne5 17.fe5 Be7 18.Qf7 Kh8 19.Bb5+/-) 17.Nf7 (better is 17.Ba3!? Ba3 18.Ra3+=) 17...Rf7-+ 18.Bh7 Nh7 19.g6 Ndf6 (19...Rf4?? 20.Qh7 Kf8 21.Rf4 Bf4 22.Ba3 Nc5 23.Bc5 Ke8 24.Qg8 Kd7 25.Qd5 Kc7 26.Qf7 Kc6 27.Qf4+-) 20.gf7 Kh8 21.Qh4 Be6 22.Nf3 Bf7 23.Ne5 Qc7 24.Ba3 Ba3 25.Ra3 Bh5 26.f5 Kg8 27.Kh1 a5 28.Rg1 Rc8 29.c4 (better is 29.Rb1!?-/+) 29...dc4-+ 30.Rag3 c3 31.Rg7 Qg7 32.Rg7 Kg7 33.Qg3 Kf8 0–1. Leisebein – Pohla, corr, 1990. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    7.e5 Qc7 8.Nf3 Nd7 9.Bd3 Ne7 10.Ng5 g6 =.

    7.e5 Bd7 8.Bd3 b5 9.Ne2 Qb6 (9...Nc6 10.0-0 a6=+) 10.0-0 a5 (10...a6=) 11.Nd2 (11.Ba3 Be7=) 11...Nc6=+ 12.Nb3 (12.Nf3 a4=+) 12...a4 13.Nc5 (13.Nd2 Be7=+) 13...Bc5 (13...Ne5!? 14.Ba3 Bc5 15.Bc5 Qc7-+) 14.dc5=+ Qc5 15.Be3 Qe7 16.Bb5 Ne5 17.Ba4 Ba4 18.Ra4 Ra4 19.Qa4 Qd7 20.Qd4 f6 21.Ra1 Ne7-/+ 22.Qc5 Nc8 23.f4 Nc4 24.Ra6 Ne3 25.Rc6 Ne7-/+ 26.Rc7 Qd8 27.Nd4 N3f5 28.Nb5? Kf7 29.g4 Kg6 30.gf5 Nf5 31.Nd4 Nd4 32.cd4 Re8?? 33.Qa7?? Rg8-+ 34.Qb6? Qe8 35.Qd6 Kf5 36.Qa6 Kg6 37.Qa3?? h5 -+. Keres,Paul - Uulberg,V, Tallinn Est ch, 1934.

    7.e5 Bd7 8.Bd3 b5 9.Nf3 Nc6 10.0-0 a6=+.

    7.e5 Bd7 8.Bd3 Nc6 9.Ne2 h5 (9...Nge7 10.0-0=+) 10.Nf4= Qb6 11.Na3 a6 12.Nh5 Rc8 13.Qg4 (13.Bd2 Qc7 14.0-0 Nge7+=) 13...g6 (13...Qb3 14.Nb1 Nb4-/+) 14.Bg6 (better 14.Ng3=) 14...fg6-/+ 15.Qg6 Kd8 16.Ng7 (16.Qf7 Nge7 17.Nf4 Rg8-/+) 16...Nce7 (better 16...Qa5!? 17.0-0 Qc3 18.Bg5 Be7 19.Ne6 Be6 20.Qe6 Nd4 (20...Bg5?! 21.Qd6 Ke8 22.Qg6 Kd7 23.Qd6 Ke8 24.Qg6 Kd8 25.Qd6 Ke8=) 21.Qd5 Ke8-/+) 17.Qf7-/+ Kc7 (17...Bg7 18.Qg7 Rh4 19.f3 Rc3 20.Bg5 Qd4 21.Qg8 Kc7 22.Be7 Re3 23.Kf1 Qa1 24.Kf2 Qh1 25.Qd8 Kc6 26.Qa5 Rf3 27.gf3 Rh2 28.Ke3 Qc1 29.Kd3 Qd1 30.Ke3 Re2 31.Kf4 Qd4 32.Kg3 Qg1 33.Kf4 Qh2 34.Kg5 Rg2 35.Kf6 Qf4) 18.Rb1 Qc6 19.Rb3 Kb8 20.0-0? (20.Nh5 Nf5 21.Nb1-+) 20...Rh7 21.Bg5 Rg7 (21...Bg7?! 22.Be7 Ne7 23.Qe7-+) 22.Qh5 (22.Qf4 Qa4 23.Rfb1 Nc6-+) 22...Be8 23.Qh4 (23.Qf3 Nf5 24.Bf6 Nf6 25.ef6 Rh7-+) 23...Nf5 24.Qf4 Qa4 25.Rfb1 Ba3 26.g4 Bg6 27.Rb6 Qc2 (27...Nd4 28.cd4 Rc4 29.h3 Rd4 30.Qf3-+) 28.Bf6 Rgc7 (28...Nf6!? 29.ef6 Bd6 30.Rc1 Bf4 31.Rc2-+) 29.gf5 Bf5 30.R6b3 (30.Bg5-+) 30...Nf6 31.ef6 Rg8 32.Kf1 Bd3 (32...Bd3 33.Ke1 Rg1) 0-1. Bolon,K (2015) - Skripchenko,A (2405), TCh-FRA Top, 2019. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3)

    7.e5 Bd7 8.Bd3 Nc6 9.Nf3 Nge7=+.

    7.e5 Bd7 8.Bd3 Nc6 9.f4 g6 (9...Nge7 10.Nf3=+) 10.Nf3= Na5 11.0-0 Nh6 12.Ba3 Rc8 13.Ng5 a6 14.Bf8 Kf8 15.Qc1 Kg7 16.Nd2 Nf5 17.Qa3 h6 18.Ngf3 (worse 18.Qa5 Qa5 19.Ra5 hg5-/+) 18...Nc4 19.Bc4 dc4 20.Ne4 (20.Qb2!?=) 20...Bc6=+ 21.Nf6 (21.Rfe1 Ra8=+) 21...Ne3-/+ 22.Rf2 Bf3 23.gf3 Nd5 24.Qc1? (better 24.Nd5 Qd5 25.Qe7-/+) 24...Nf6-+ 25.ef6 Qf6 26.Rb2 Rc7 27.Rb6 Rd8 28.Rab1 Rdd7 29.Qe3 Rd5 (29...Kh7 30.Qe4-+) 30.Rb7 Rb7 31.Rb7 Rb5 32.Rc7 (32.Rb5 ab5 33.Kf2 Qh4 34.Kg2 Qh5-+) 32...Qf5 33.Kg2 Qc2 (33...Qb1 34.Kg3-+) 34.Kg3 g5 35.Rc5 (35.f5 Qd3 36.Rf7 Kf7 37.Qe6 Kf8 38.Qc8 Ke7 39.Qc7 Kf6 40.Qc6 Kf5 41.Qd7 Kf6 42.Qd6 Kf7 43.Qd7 Kf8 44.Qd8 Kg7 45.Qd7 Kg6 46.Qe6 Kh7 47.Qf7 Kh8 48.Qe8 Kg7 49.Qd7 Kg8 50.Qe8 Kg7 51.Qd7=) 35...gf4 36.Qf4 Qg6 37.Kh3 (37.Kh4 Rc5 38.dc5 e5-+) 37...Rc5 38.dc5 Qh5 39.Kg3 (39.Kg2 Qc5 40.h4-+) 39...Qc5 40.h4 a5 (40...Qg1!? 41.Kh3 Qh1 42.Kg3 Qe1 43.Kh2 Qc3 44.Qg4 Kf8 45.Qf4-+) 41.Qg4 Kf8 42.Qf4 a4 (better 42...h5!? 43.Kg2-+) 43.Qh6 Ke7 44.Qf4?? (44.Qc1 f6-+) 44...a3 (better 44...Qd6 45.Qd6 Kd6-+) 45.Qe4?? (45.Kg2-+) 45…Qc7 (45...Qc7 46.Kg2 Qa5 47.Qb7 Kf6-+) 0–1. Martinez,Jorge Alexander – Uribe,Mauricio, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    7.e5 Bd7 8.Bd3 Ne7 9.Nf3 Nbc6 10.0-0 Ng6 =.

    7.e5 Bd7 8.Bd3 f5 9.Ne2 g6 10.h4 Nc6 11.Na3 a6 12.g4 White plans h5 12...Be7 13.h5 g5 (13...fg4? 14.hg6 Nf6 15.ef6 Bf6 16.Rh7+-) 14.gf5 ef5 15.h6 Qa5 (better is 15...Qb6!?+=) 16.Nc2 Qc7 17.f4 Be6 18.fg5 0-0-0? (18...Nd8!?+/-) 19.Bf4 (19.Nf4 Ne5 20.de5 Qc3 21.Kf1 Bd7+-) 19...Bf8 20.Ne3 Nge7 21.Qb1 Qd7 (better is 21...Re8+-) 22.Ra6 1–0. Guelke,Volker – Clausen,Ingo, Schleswig Holstein–chB, 1990. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    7.e5 Ne7 8.Bd3 b6 9.Qh5 a5 10.Ne2 g6 11.Qh3 Bg7 12.Bh6 0-0 13.Bg7 Kg7 14.Nf4 Ba6 15.Bc2 Nd7 16.Qg4 Rc8 17.Ra2 Kh8 18.Rb2 Nf5 19.h4 Rg8 20.Qh3 Rc7 21.g4 Nh6 22.Ng2 Qe7 23.Qf3 Rgc8 24.Qf4 Kg7 25.g5 Nf5 26.h5 Kg8 27.Bf5 gf5 28.Nh4 Rc3 (28...Rc3 29.Nc3 Rc3-+) 0–1. Noire,Eric (2170) – Bunyan,Henry (1995), WC.2004.P.00016, 2001. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    7.e5 Ne7 8.Bd3 Nbc6 9.Ne2 Bd7 10.0-0 Ng6 11.f4 Qh4 12.Nd2 f5 13.Nf3 Qh5 14.Ng3 Qg4 15.Ne2 Nh4 16.Nh4= Qh4 17.Rf3 h6 18.Bd2 Qh5 19.Qb1 Rb8 20.c4 dc4 21.Bc4 Qf7 22.Kh1 Be7 23.Qa2 Bb4 24.d5 Bd2 25.de6 Be6 26.Be6 Qe7 27.Bf5 Qf7 28.Be6 Qe7 29.Bb3 Rd8 30.Qc2 Rd7 31.Rd1+- Ba5 32.Qg6 Kd8 33.Rd7 Kd7 34.Rd3 Kc8 35.Be6 Kb8 36.Rd7 Qe8?? 37.Qg7 (37.Qg7 Qc8 38.Re7+-) 1–0. Stock,Ulrich – Kroger,Martin, GER op Germany, 1993.

    7.e5 Ne7 8.Bd3 Nec6 9.Ne2 Be7 10.0-0 Nd7 11.f4 f5 12.g4 g6 13.Ng3 Nf8 14.Rf2 a6 15.Qf3 Ra7 16.Rfa2 Ra8 17.Nd2 Rb8 18.Ndf1 Rg8 19.Ne3 Qd7 20.Kh1 fg4 21.Qg4 Kd8 22.Qf3 h5 23.Rg2 Rh8 24.Ne2 Rh6 25.Bd2 Qe8 26.Rag1 Qf7 27.Nc2 g5 28.f5 ef5+= 29.Bg5 Bg5 30.Rg5 Ne7 31.Rg7 Qe8 32.Nf4 Ne6= 33.Ne6 Be6 34.Ne3 Rc8 35.Qf4 Rg6? 36.Nd1?? Rg1 37.Rg1 Qf7 38.Qh6 Kd7 39.Be2 Ng8 40.Qh8 Ne7 41.Qh6 Ng8 42.Qg5 Ne7 43.Nb2 Rg8 44.Qh5 Rg1 45.Kg1 Qg7 46.Kf2 Bf7 47.Qh4 Ng8 48.Na4 Qh6 49.Qh6 Nh6 50.Kg3 Kc6 51.Kf4 b5 52.Nc5 a5 53.Kg5 Ng4 54.h4 Ne3 55.Kf6 Be8 56.Ke7 Bg6 57.h5 Bh7 58.Kf7 f4 59.Kg7 Bc2 60.Kf6 a4 61.h6 a3?? 62.e6 f3 63.Bf3 Nc4 64.e7 Nd6 65.Ke6 Bf5 66.Ke5 (66.Ke5 Bh7 67.Bd5 Kc7 68.Be6+-) 1–0. Stock,Ulrich – Kakoschke,Dieter, GER op Germany, 1993.

    7.e5 Ne7 8.Bd3 Ng6 9.Qh5 Qh4 10.Qf3 f5 11.ef6 Qf6 (11...gf6?? 12.g3 Qe4 13.Be4 de4 14.Qe4+-) 12.Qh5 Qf7 13.Na3 Ne7 14.Qe2 Nbc6 (14...Nec6 15.Nb5=) 15.Nf3 Ng6 16.Ng5 Qg8 17.Nb5 Kd8 18.Qf3 Nh4 19.Qg3 Be7 20.Qh4 h6 21.Qg3 (21.Qf4 hg5 22.Qc7 Ke8 23.Bg6 Kf8 24.Na7 Qf7 25.Nc6 Qg6 26.Ra8 Qe4 27.Kd2 bc6+-) 21...hg5?? (21...e5 22.Nf3 e4 23.Qc7 Ke8+-) 22.Qc7 (22.Bg5?! e5 23.Be7 Ne7 24.Qe5 Qe6 25.Na7 Qe5 26.de5 Bf5+-) 22...Ke8 23.Nd6 (23.Nd6 Kf8 24.Nc8+-) 1–0. David,Ed (2275) – Thomassen,J (2400), ch–NOR Oslo NOR, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    7.e5 Ne7 8.Nf3 Nbc6 9.Bd3 Nf5 10.0-0 Qc7 =.

    7.e5 Nc6

    8.Ba3 Ba3 9.Na3 Nh6 10.Bd3 0-0 11.Qc2 f6 12.Bh7 Kh8 13.f4 fe5 14.de5? (14.fe5 Ng4 15.Nf3 Rf3 16.gf3 Qh4 17.Kd2 Qh6 18.Ke2 Qe3 19.Kf1 Qf3 20.Kg1-+) 14...Rf4-+ 15.Ne2 Rf8 16.0-0-0? (16.Nb5-+) 16...Qg5 17.Kb1 Ne5 18.h4 Qe7 19.Ka2 Nhg4 20.Rh3 (20.Rd4 Rf2 21.Bd3 Ne3-+) 20...Bd7 (better is 20...Nf2 21.Rdh1-+) 21.Rd4 Rf2 22.Rg3 Nh6 23.h5 Raf8 24.Bg6 Nc6 25.Rd2 e5 26.Ng1 Rd2 27.Qd2 Qc5 28.Rf3 Rf3 29.Nf3 Ng4 30.Qg5 Qe7 31.Qd2 Be6 32.Ng5 Bg8 33.Nb5 d4 34.Kb1 a6 35.c4 ab5 36.cb5 Qb4 (36...Qb4 37.Qb4 Nb4-+) 0–1. Malaczek,Mateusz – Mroziak,Maciej, DMP – Extraliga Juniorow'2009 Poland, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    8.Bd3 a6 9.Ne2 Bd7 10.0-0 b5 11.f4 g6 12.g4 Qb6 13.Be3 h5 14.f5 (14.g5!?-/+) 14...Ne5! 15.fg6 (15.de5 Qe3) 15...fg6 (15...hg4 16.gf7 Nf7 17.Bg6+/-) 16.gh5 gh5 17.Nf4 Bh6?? (better is 17...Ne7-+) 18.Qh5+- Nf7 19.Qf7!! Kf7 (19...Kd8+-) 20.Nd5 Ke8 (20...Nf6 21.Rf6 (21.Nb6 Be3 22.Rf2 Rag8 23.Kf1 Bf2 24.Nd7 Nd7 25.Kf2 Rh2 26.Ke1 Rg3-+) 21...Kg8 22.Bh6+- (22.Rh6?! Qd6 23.Nf6 Kf7+/-)) 21.Bg6 (21.Nb6?! Be3 22.Kg2 Bc6 23.d5 A) 23...Bd5? 24.Nd5 ed5 25.Bb5 Ke7 26.Re1+- (26.Ra6?! Ra6 27.Ba6 Bc5+/-; 26.Ba6?! Nh6=); B) 23...Bb6 24.dc6 Ra7 25.Bg6 Kd8 26.Rf8 Kc7=) 21...Kd8 22.Bg5!! (22.Nb6 Be3 23.Kg2 Bc6 24.d5 Bb6 (24...Bd5? 25.Nd5 Ne7 26.Ne3 Ng6 27.Nd2+-) 25.dc6 Ne7 26.Rd1 Nd5-/+) 22...Kc8 (22...Bg5 23.Rf8 Decoy (23.Nb6 Zwischenzug)) 23.Nb6 Kb7 24.Na8 Bg5 25.Be4 Bc6 (25...Ka7 26.Nc7 a5 27.d5+-) 26.Bc6 Kc6 27.Ra6 Kb7 1–0. Mufics,Istvan (2205) – Binder,Tamas (2240), HUN–chT2, 1995. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    8.Bd3 Rb8 9.Nf3 b5 10.0-0 b4 11.Ng5 (11.cb4 Bb4 12.Na3 Nge7=) 11...g6 (11...Be7!? 12.Nf3 b3+=) 12.cb4= Bb4 13.Nf3 Qb6 14.Be3 a5 15.Qe2 Bd7 (15...Nge7 16.Rc1=) 16.Rc1 Nge7 17.g4 (17.Nc3!?=) 17...h5+= 18.h3 (18.g5+=) 18...Nc8 (18...hg4 19.hg4 Na7 20.Nc3-/+) 19.Qc2? (19.g5 N8e7=) 19...N8e7 20.Kg2 (better is 20.Qe2!?=) 20...Rc8 21.Qe2 Rd8 22.Nbd2 Bd2 23.Qd2 Nb4 24.Be2 Nec6 25.Ng5 a4 26.gh5 gh5 27.h4 Na5 28.Qd1 Nb3 29.Nf7?? Rg8-/+ 30.Ng5 Nc1 31.Bh5 Ke7 32.Rc1 Rc8 ½–½. Vardakas,S (2000) – Kafetzis,G (1925), Open Thessaloniki GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    8.Bd3 Bd7 9.Ra2 Qc7 10.Ne2 Na5 11.0-0 Nc4 12.Nf4 g6 13.Nh3 Ne7 14.f4 h5 15.Ng5 Nf5 16.Re1 Be7 17.Rf2 a5 18.g4? (better is 18.Ra2-/+) 18...hg4-+ 19.Qg4 a4 20.Rg2 Rh4 21.Qf3 Bg5 (21...Bb5 22.Ra2-+) 22.Bf5 (22.fg5 b5-/+) 22...ef5 (22...Be7!? 23.Bd3-+) 23.fg5 Be6 24.Ra2 Qb6 25.Nd2 Nd2 26.Bd2 Qb3 27.Rea1 (27.Raa1 Rd4! 28.Reb1 Rg4 29.Qg4 Qb1 (29...fg4?? 30.Rb3 ab3 31.Ra8 Kd7 32.Ra4+-) 30.Rb1 fg4 31.Rb7 a3-+) 27...b5 (27...Rd4 28.Ra3 Rg4 29.Qg4 Qa3 30.Ra3 fg4 31.Kf2-+) 28.Qd1 (28.Qf1 Bd7-/+) 28...Qc4 (28...Qd1 29.Rd1 Kd7 30.Rb1-+) 29.Qf1 Rc8 30.Rb2 (30.Qf3 Rg4 31.Kf2 Bd7-+) 30...Qf1 31.Rf1 Bd7 32.Ra1 Kf8 33.Be1 Re4 34.Bd2 Kg7 35.Re1 Rg4 36.Kh1 Rh8 37.Re3? Rh7 0–1. Zala,G (2070) – Papa,K (1915), 27th Budapest Spring Festival, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    8.Bd3 Bd7 9.Nf3 h6 10.0-0 Nge7 11.Ba3 Nc8 12.Bf8 Kf8 13.Qd2 Rb8 14.Na3 a6 15.Rfb1 g6 16.Qf4 Kg7 17.Nc2 Qe7 18.h4 Be8 19.Ne3 h5 20.g4 Ra8 21.gh5 Rh5 22.Ng4 Ra7 23.Nf6 Rh6 24.Ng8 Kg8 25.Qh6 Qf8 26.Qf4 b5 27.h5! gh5 28.Kh2 N8e7 29.Rg1 Ng6 30.Nh4 Nce7 31.Qg5 Qg7 32.Rg3 a5 33.Qh5 Kf8 34.Ng6 fg6 35.Qf3 Kg8 36.Qg4 Nf5 37.f4 a4 38.Kg2 Ra8 39.Bf5+/- ef5 40.Qg5 Rb8 41.Re3 a3? 42.e6 Kf8? 43.Qh4 b4 44.cb4 Qd4 (44...Qd4 45.Raa3 Rb4+-). Serrano Bozada,Esteban (2185) – Fidalgo Fernandez,Javier (2280), ESP–ch universities, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    8.Bd3 Bd7 9.f4 Rc8 10.Ba3 Ba3 11.Ra3 a6 12.Nf3 Na7 13.Qd2 Bb5 14.Bc2 Ne7 15.Rg1 Nac6 16.g4 Na5 17.Qf2 Nc4 18.Ra2 Qd7 19.Nh4 f6 20.f5? fe5-+ 21.fe6 Qe6 22.Nf5 ed4 23.Kd1 Ne3 24.Kc1 0-0 25.Re1 N7f5 26.gf5 Qh6 27.Kb2 Nc2 28.Qc2 dc3 29.Nc3 d4 0–1. Barberis,V (1785) – Ribeiro,Ro (2200), Avoine FRA, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5)

    8.Bd3 Bd7 9.Qg4 h5 10.Qg3 h4 11.Qf3 Nh6 12.Nh3 Be7 13.0-0 a6 14.Nf4 Qc7 15.Nh5 0-0-0 (15...Kf8!?=) 16.Ng7+= Rdg8 17.Nh5 Ng4 18.Nf4 (18.Qf7 Nge5 19.de5 Ne5-+) 18...Nce5 19.de5 Ne5 20.Qe2 Nd3 21.Nd3 (worse is 21.Qd3 Bb5 22.Qf3 Bf1 23.Kf1 Qc4 24.Kg1 Bd6-/+) 21...Bd6 22.f4 f6 23.Ba3 Re8 24.Bd6 Qd6 25.Nd2 e5 26.Rfc1 e4 27.Nb4 Rhg8 28.Kh1 Rg4 29.Nf1 e3 30.Ne3 Qc5 31.Nbc2 Rf4 32.Qd2 h3 33.g3 Rfe4 34.Re1 f5 35.Nd4 f4 36.gf4 Rf4 37.Rf1 Rfe4 38.Rae1 Qe7 39.Nf3?? Qc5?? 40.Nc2 Bc6 41.Nfd4 Bd7 42.Qf2 Qc7 43.Qd2 Qc5 44.Re3 Kb8 45.Ref3 ½–½. Vavruska,Antonin (2165) – Symbor,Przemyslaw (2240), Stare Mesto op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    8.Bd3 Nge7 9.Nf3 Bd7 10.0-0 Nf5 11.Nbd2 g5 12.g4 Nh6 13.h3 f5 14.gf5 Nf5 15.Nh2 Qe7 16.Nb3 Qf7 17.Ba3 Ba3 18.Ra3 h5 19.Nc5 Nd8 20.Bf5 Qf5 21.Nd7 Kd7 22.c4 g4 (better is 22...dc4!? 23.Qa4 Nc6-/+) 23.cd5= ed5 (23...gh3? 24.Qa4 Nc6 25.dc6 bc6 26.Rg3+-) 24.hg4 hg4 25.Qg4 Ke6 26.Rf3 Qg4 27.Ng4 Nc6 28.Rf6 Ke7 29.Rd1 Rhg8 30.f3 a5 31.Kf2 a4 32.Ne3 Rad8 33.Rb1 Rd7 34.Nf5 Kd8? (better is 34...Ke8 35.Ra1 Rf8 36.Nd6 Rd6 37.Rd6 Nd4 38.Ra4 Rf3 39.Kg2 Rd3 40.Rd5 Rd2 41.Kf1 Nf3 42.Rd2 Nd2 43.Ke2 Nb3+-) 35.Rc6! bc6 36.Rb8 Kc7 37.Rg8 Rh7 (37...Rd8 38.Rg7 Kb6+-) 38.e6 1–0. Gietl,Thomas (2305) – Mueller,Marcus2, Mittelfranken–ch M1, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

    8.Bd3 Nge7 9.Nf3 Nf5 10.0-0 Qc7 =.

    4.ab4 Qb6

    5.c3+= d5 6.ed5 ed5 7.Nf3 Nf6 8.Be2 Be7 9.0-0 0-0= 10.b5 Nbd7 11.Ba3 Re8 12.Be7 Re7 13.Na3 Nc5 14.Nd4 Nfe4 15.Nac2 Ne6 16.f4 Nd4 17.Nd4 Re6 18.Bf3= Bd7 19.Rb1 Rh6 20.g3 Re8 21.Re1 Qg6 22.Re2+= Rc8 23.Qe1 f5+= 24.Ra1 Qb6 25.Qb1 Rc4 26.Kg2+= Rg6 27.Bh5 Rh6= 28.Bf3 Rg6 29.Ra2 a6 30.Rb2 a5 31.Ra2 Qc7 32.b6 Rb6=+ 33.Qa1 Ra6 34.Re1= Rc5 35.Be2 Ra8 36.Nb3= Rc6 37.Ra5 Ra5 38.Qa5 Qa5 39.Na5 Rb6 40.c4 d4 41.d3 Nc5-/+ 42.Bf3 Rb2 43.Kg1 Kf7 44.Re5 Nd3 45.Rd5 Rb1 46.Kg2 Ne1 47.Kf2=+ Be6 48.Rd4= Nf3 49.Kf3 Kf6 50.h3 Rc1 51.Nb7 Rc3 52.Kf2 Rc4 53.Rc4 Bc4 54.Ke3 Bd5 55.Nc5 Bg2 56.h4 Bc6 57.Nd3 g6 58.Ne5 Bb5 59.Kd4 ½–½. Kovachev,D (2130) – Bjornsson,Sv (2065), 22nd ECU Club Cup, 2006.

    5.d4 Nf6 6.e5 Nd5 (worse is 6...Bb4 7.c3 Ne4 8.cb4 Qb4 9.Ke2+-) 7.c3 Nc6 8.b5 Nc3 (better is 8...Nd8!?+/-) 9.Nc3+- Nd4 10.Be3 Bc5 11.Nf3 Nf3 12.Qf3 d5 13.ed6! Qd6 (13...Qd6 14.Ne4; 13...Bd6 14.Bb6) 14.Bc5 Qc5 15.Be2 0-0 16.0-0 e5 17.Ne4 Qe7 18.Qa3 Qh4 19.Nd6 Be6 20.b6 a5 21.Bf3 f5 (21...a4+-) 22.Bb7 Rab8 23.Qa5 e4 24.Qe5 Rf6 (24...Qf6 25.Qf6 Rf6+-) 25.Nf5 (25.Nf5 Rf5 26.Qe6 Rf7 27.Bd5+-) 1–0. Gesing,Felix (1835) – Hanewinkel,Martin (1785), Muensterland Verbandsklasse–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.ab4 d5

    5.e5 Qc7 6.Nf3 Nc6 7.d4 Bb4 8.c3 Be7 9.Bd3 f6 10.Bf4 f5 11.Nbd2 Bd7 12.0-0 h6 13.Nh4 0-0-0 (better is 13...g5!? 14.Ng6 Rh7=) 14.Ng6+/- Rh7 15.Nb3 b6 16.Qb1 Be8? (16...Re8 17.c4 dc4 18.Bc4+/-) 17.Ne7?? (better is 17.Bf5 ef5 18.Qf5 Kb7 19.Ne7+-) 17...Nge7+= 18.Rc1 Kd7 19.Bb5 Rc8 20.c4 Kd8 21.c5 g5 22.cb6 (better is 22.Bd2!?+=) 22...Qb6+= 23.Bd2 Bd7 (better is 23...Qb5!? 24.Nc5 Qb1 25.Ne6 Kd7 26.Nf8 Kd8 27.Ne6 Kd7 28.Nf8 Kd8 29.Ne6=) 24.Nc5+/- Rb8 (24...Nd4 25.Ba5 Bb5 26.Bb6 ab6 27.Ne6 Ne6 28.Qb5 Rc1 29.Rc1+-) 25.Bc6 Nc6 26.Qc2 ½–½. Schierwater,Bernd – Zimmermann,Dirk (2085), Marianske Lazne op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    5.e5 Qc7 6.f4 Bb4 7.Ba3 Be7 8.Nc3=.

    5.e5 Qc7 6.f4 f6 7.Nf3 (7.c3!?=) 7...Nd7 8.Bb5 Bb4 9.c3 Be7 10.d4 Nh6 11.ef6 Bf6 (11...gf6 12.Qe2 Kf7+=) 12.Ba3 (better is 12.Qe2!? Kd8 13.0-0= (13.Qe6?? Re8 14.Qe8 Ke8-+)) 12...a6 13.Bb4 Rb8 (13...Qf4 14.0-0-/+) 14.Ba4 (14.Bd7 Bd7 15.Ne5 Nf7+=) 14...b5 15.Bb3 Nb6 (better is 15...Qf4!? 16.Qe2 Nb6-/+) 16.Ne5+= Nf5 17.Qe2 Nc4 18.0-0 Nfd6 19.f5? (19.Bd6 Qd6 20.Bc4 bc4 21.Qh5 g6+=) 19...0-0 (better is 19...Be5!? 20.de5 Nf5-+) 20.fe6+= Re8 21.Bc2 (21.Qh5 Re6 22.Ng4 Qc6+=) 21...Re6-/+ 22.Qh5 g6 (22...Ne5?? 23.Bh7 (23.Qh7?! Kf8 24.Bf5 Nef7 25.Be6 Be6=) 23...Kf8 24.de5+-) 23.Qf3 Bb7 (23...Ne5 24.de5 Ne4 25.ef6 Rf6 26.Be4 Rf3 27.Bd5 Kg7 28.Rf3+/- (28.gf3 Bh3 29.Re1 Qb6 30.Kh1 Qf2 31.Re7 Kh8 32.Rh7 Kh7 33.Bg8 Rg8 34.Ra6 Bg2)) 24.Qh3 Rbe8 25.Ng4 Bg7 26.Na3 Ne3 27.Rfe1 Ndf5 28.Bd3 Bc8 29.Bf5 Nf5 30.Re6 Re6 31.Nc2 Re4 32.Nf2 Rh4 33.Qf3 Qh2 34.Kf1 Ng3 35.Ke1 Ne4 36.Nd3 Bg4 37.Qf4 0–1. Mufics,Istvan – Bauer,Tamas, Hungary tt, 1990. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    5.e5 Qc7 6.f4 g5 7.c3= Ne7 (7...gf4 8.d4+=) 8.d4+= gf4 (8...g4 9.Bd3+-) 9.Bf4 Ng6 (9...Nf5 10.Bd3 Rg8 11.Kf2+-) 10.Be3 Bg7 (10...Nh4 11.Nf3 Nf5 12.Bd2+-) 11.Nf3 Nd7 (11...f6 12.ef6 Bf6 13.Bd3+-) 12.Bd3 Nb6 (better 12...f6!? 13.Qc2 0-0 (13...fe5?? 14.Bg6 Ke7 15.Bg5 Bf6 16.Bf6 Nf6 17.Ne5+-) 14.Bg6 hg6 15.Qg6 Nb6+-) 13.0-0+- 0-0 (13...Nc4 14.Bc1 Bd7 15.Na3+-) 14.Qc1 (14.Ng5!? Nc4 15.Bc1 Nce5 16.de5 Be5+-) 14...f5 (14...Bd7 15.h4 f6 16.ef6 Rf6 17.h5+-) 15.ef6 Bf6 (15...Rf6 16.Qc2+-) 16.Bh6 (16.Nbd2 Bd7 17.Qc2 Kg7+-) 16...Rf7 (16...Bg7 17.Ra2+-) 17.Qc2 (17.Na3!? Bg7 18.Nb5+-) 17...Nf4+- 18.Na3 (18.Nbd2 Bd7 19.Ng5 Bg5 20.Bg5 Ba4 21.Bf4 Rf4+-) 18...Bd7 19.Rae1 (19.Bb5 Ng6+-) 19...Nd3 (better 19...Ba4!? 20.Qd2 Nd3 21.Qd3 Rc8+-) 20.Qd3+- Nc4?? (20...Ba4 21.Ne5 Be5 22.Re5 Kh8+-) 21.Ng5 Na3 (21...Nb2 22.Qe3 Bc6 23.Nf7 Qf7 24.Qg3 Kh8 25.Rf6 Qf6 26.Re6 Qh6 27.Rh6 Re8 28.Qc7 Re1 29.Kf2 Nd3 30.Kf3 Ne5 31.de5 d4 32.Kf2 Re2 33.Ke2 d3 34.Kd3 Kg8 35.Rh7 Bd7 36.Qd7 a5 37.Qf7) 22.Rf6 Bb5 23.Rf7 (23.Qf3 Rg7 24.Ne6 Qe7 25.Bg7 Rc8 26.Bf8 Rc3 27.Qg4 Kh8 28.Be7 Rc2 29.Rf8) 23...Qf7 (23...Bd3 24.Rc7 Nc2 25.Rg7 Kf8 26.Re6 a5 27.Rgg6) 24.Qg3 (better 24.c4 dc4 25.Rf1 Qf2 26.Rf2 cd3+-) 24...Qg6 (24...Qf6 25.Ne6 Qg6 26.Qg6 hg6+-) 25.Re6 Qb1 26.Re1 Qg6 27.Re7 (better 27.Qf3!? Rd8 28.Re7 Qb1 29.Kf2 Qf1 30.Kg3 Qf3 31.Kf3+- (31.Nf3?! Rd6 32.Bf4 Rg6 33.Kf2 Rg7+-)) 27...Qb1+= (27...Qh6 28.Ne6 Qg6 29.Rg7 Kh8 30.Rg6 Nc4 31.Qf3 hg6 32.Qf6 Kg8 33.Qg7) 28.Qe1 Qe1 29.Re1 Re8 30.Ra1 Nc2?? (better 30...Nc4+=) 31.Ra7+- Re1 32.Kf2 Re2 33.Kg3 Ne1 (33...Re7 34.Nf3 Ne3 35.Ra8 Be8 36.Be3 Re3+-) 34.Rb7 Rg2 (34...Be8 35.b5 Bh5 36.b6 Rg2 37.Kf4 Rf2 38.Ke5 Nf3 39.Nf3+-) 35.Kh3 Be8 36.Re7 (36.Re7 Bg6 37.Re1+-) 1–0. Galateanu,Calin (1790) – Munteanu,Ali_Eduard (1890), CN Juniori U16, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    5.e5 g6 6.d4 f6 (6...Bb4 7.Bd2 Be7 8.Nf3=) 7.f4 (better 7.c3!?+=) 7...fe5=+ 8.fe5 Qh4 9.g3?? (better 9.Ke2 Bb4 10.Nf3=) 9...Qe4-+ 10.Kf2 Nh6 (better 10...Qh1 11.h3 Qe4-+ (11...Bb4 12.Bg2 Qg2 13.Kg2+=)) 11.Nf3 Ng4 12.Kg2 Ne3 Attacks the backward pawn on c2 (12...Bb4!? 13.Qd3 Qd3 14.Bd3 Bf8=) 13.Be3+= Qe3 14.c3 Be7 15.Bd3 Nd7 (15...0-0 16.Re1 Qh6 17.Rf1+=) 16.Na3 0-0 17.h4 Qh6 18.Qe2 (better 18.Nb5!? Bd8 19.h5+-) 18...a6+= 19.Raf1 b5 (19...b6 20.Nc2=) 20.g4 White plans h5 20...Rf4 21.Kg3 Rf8 22.g5 Qg7 23.h5 Rf5? (better 23...Rf7!?+-) 24.hg6+- hg6 25.Bf5 ef5 26.Ra1 Rb8 27.Kf4 Nf8 28.Rag1 (28.Qg2 Ne6 29.Ke3 Rb7+-) 28...Ne6 29.Ke3 Bd7 30.Qh2 (30.Qa2 Bc6+-) 30...Rc8 31.Kd2 a5 32.Nc2 a4 33.Qg2 Nf8 34.Rh6 Kf7 35.Rgh1 Be6 36.Qh2 Ke8 37.Rh8 Kd7 38.Na3 Kc6 39.Qe2 Rb8 40.Ke3 (40.Kd1 Qf7+-) 40...Rb7 41.Qh2 Qf7 42.Nc2 Kb6 43.Rc1 Rc7 44.Na3 Qe8 45.Qg1 Qc8 46.Rh1?? (better 46.Kd2+-) 46...Rc3-+ 47.Kf4 Rc1 48.Qc1 Qc1 49.Rc1 Bb4 50.Nb1 Bd7 51.Nc3 Bc3 52.Rc3 b4 53.Rc1 b3 54.Ke3 (54.Rb1 Ne6 55.Ke3 Ka5-+) 54...b2 55.Rb1 a3 56.Ne1 Ka5 (56...Ba4!? 57.Nd3 Bc2 58.Rb2 ab2 59.Nb2-+) 57.Nc2 f4! 58.Kf4 (58.Kd2 Bf5 59.Na3 Bb1 60.Nb1 Kb4-+) 58...Bf5 (58...Ka4 59.Ke3 Bf5 60.Kd2-+) 59.Na3 Bb1 60.Nb1 Ne6 (60...Ne6 61.Ke3 Ka4-+) 0–1. Raider,Eugen (1980) – Kelbling,Philipp (2110), GER–chT U20, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    5.ed5 ed5

    6.Bb2 Bb4?? 7.Bg7 Qe7 8.Ne2+-.

    6.Bb2 Nf6 7.Bb5 Nc6 8.Qe2 Be6 9.Nf3 Be7 10.Ne5 Qd6 11.0-0 0-0 (11...Qb4?? 12.Nc6 Qb2 13.Ra2 Qa2 14.Nb4 Kf8 15.Na2+-) 12.Bc6 bc6 13.Ra6 Qb4 (13...Bc8 14.Rc6 Qb4 15.Ba3=) 14.Ba3 Qb7 15.Be7 Qe7 16.Nc6 Qc7 (16...Qb7 17.Nc3 Rfe8 18.Qb5 Qb5 19.Nb5=) 17.Nc3+= Rfe8 18.Nb5 Increases the pressure on a7 18...Qf4 (18...Qd7!? 19.Ncd4 Bg4+=) 19.g3+- Qh6 20.Nc7 (20.Ne5 Ng4 21.f4 Ne5 22.Qe5 f6+-) 20...Bg4+= 21.Ne7 Kf8 22.Qg4!? Ng4 23.Rh6 Nh6 24.Ne8 Re8 (24...Ke7 25.Nc7 Rd8 26.Re1 Kd6 27.Ne8 Kc6 28.Ng7+=) 25.Nd5+- Re2 (25...a5 26.Ra1 Re2 27.Ra5+-) 26.Rb1 (26.Rd1 Ng4 27.Nf4 A) 27...Nf2? 28.Rf1 (28.Ne2?! Nd1 29.Kf1 Ke8=) 28...Rd2 29.Rf2 Rd1 30.Rf1+-; B) 27...Re7+-) 26...g6 (26...g5 27.Ne3 Rd2 28.c4+=) 27.Ne3 (better 27.Rd1!?+-) 27...Rd2+= 28.Rb7 Nf5 29.Nf5 gf5 30.Ra7 Rc2 31.Ra5 f4 32.g4 Rc4 (32...f3 33.h3+=) 33.Kg2 h6 (33...Kg7 34.Kf3+=) 34.h4 Kg7 (34...Rb4 35.Kf3+=) 35.Kf3 Rb4 (35...f6 36.Rb5+-) 36.Rf5 Attacks the isolani on f4 36...Ra4 (36...f6 37.h5+-) 37.Rf4+- Ra3 (37...Ra1 38.Rf5+-) 38.Kg2 Rb3 (38...Ra5 39.Kg3+-) 39.Rf5 ½–½. Sanpera Bonet,Juan Carlos (2060) – Gomez Jurado,LA (2210), TCh–CAT Gp1, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    6.Bb2 Nf6 7.Qe2 Qe7 8.Bf6 gf6 9.Qe7 Be7 10.Nc3 Be6 (10...Bb4? 11.Nd5 Bd6 12.Nb6 (12.Nf6?! Kd8 13.Nf3 Nc6+/-) 12...ab6 13.Ra8+-) 11.Nb5 Kd8 12.c3 Nc6 13.Nf3 Kd7 14.Be2 Rhg8 15.g3 f5 16.0-0 f4 17.Nbd4 fg3 18.fg3 h5 (better is 18...Nd4!? 19.Nd4 h6+=) 19.Nc6+/- bc6 ½–½. Lange,Andreas (1995) – Grube,Frank (2050), Ruhrgebiet VK2, 2008. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    6.b5 Nf6 7.d4 Bd6 8.Bd3 0-0 9.Ne2 Re8 10.Bg5 Nbd7 11.Nbc3 Qc7 12.Kf1 a5 (worse is 12...Bh2 13.g3 Bg3 14.fg3+/-) 13.ba6 ba6 14.Nb5 Qb8 15.Nd6 Qd6 16.f3 Nf8 17.Ng3 a5 18.Kf2 h6 19.Be3 Ng6 20.Qd2 Attacks the isolani on a5 20...a4 21.Rhe1 Be6 22.h4 (better is 22.Kg1=) 22...Reb8?? (better is 22...Nh4 23.Bh6 Bd7=) 23.h5 Nf8 24.Bf4 Qb4 25.c3 Qb2 (better is 25...Qa5!? 26.Bb8 Rb8+-) 26.Bc2+- Rc8?? (26...Qb6 27.Reb1 Qd8 28.Rb8 Rb8 29.Bb8 Qb8 30.Ra4 N8d7+-) 27.Bh7!! (27.Bh7 N6h7 28.Qb2+-) 1–0. Capron,Daniel (2060) – Fayard,Alain (2070), FRA–ch, 1981. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    6.b5 Nf6 7.Nf3 Bd6 8.Be2 0-0 9.0-0 Nbd7 10.d4 Ne4 11.c4 dc4 12.Bc4 Nb6 13.Bd3 Nf6 14.h3 (14.Bg5 Re8=) 14...h6 15.Nbd2 Be6 16.Re1 Bd5 (16...Re8 17.Ba3=) 17.Ne5 (17.Ba3 Ba3 18.Ra3 Re8+=) 17...Re8 18.Ndf3 (18.Ba3 Bc7=) 18...Qc7 (18...Bb4 19.Bd2 Bd2 20.Qd2+=) 19.Bb2 Re7 20.Rc1 Qd8 21.Bb1 (21.Nh4 g6=) 21...Rc8 (21...Bb4 22.Re3=) 22.Rc8 Qc8 23.Qd3 (23.Bd3 Nfd7=) 23...Bc4 24.Nc4 Re1 25.Ne1 Qc4 (25...Nc4 26.Qe2=) 26.Nf3 (26.Qc4 Nc4 27.Bc1 Nb6=) 26...a5 27.ba6 ba6 28.d5 (28.Bc3 Qb5=) 28...Qd3 29.Bd3 a5 30.Bf6 gf6 31.Nd4 Nd5 32.Bc4 Nb6 33.Ba2 a4 34.Nc6 (34.Nf5!? Bf8 35.Kf1=+) 34...a3 35.Nd8 (35.Nd4 Bc5 36.Nb5 Kg7-/+) 35...Be7 36.Nf7? (better 36.Nc6 Kf8 37.Nd4-/+) 36...Kg7-+ 37.f4 Na4 38.g4 Nc3 39.Bb3 a2 40.Ba2 Na2 41.g5 (41.Nh6 Kh6 42.Kg2 Nc3-+) 41...Kf7 42.gh6 0-1. Riehle,Marco (2345) - Grachev,B (2610), Titled Tue 4th Aug 2pm, 2020. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4)

    6.Bb5 Nc6 7.Qe2 Be6 8.Bb2 Nf6 (8...Bb4?? 9.Bg7 Qg5 10.Bh8 Qg2 11.Qf3 Qf3 12.Nf3+-) 9.Nf3 Be7 (9...Bb4 10.Nd4 Qc8 11.Nf5+=) 10.Ne5 Qc7 11.Bc6 bc6 12.b5 cb5 13.Qb5 Bd7 14.Nd7 Qd7 15.Qd7 Kd7 16.0-0 (16.Bd4 a5+=) 16...Rhc8-/+ 17.Rc1 Ne8 (17...a5 18.Nc3-/+) 18.Bd4+= Bf6 19.Ra5 Kd6 (19...Kc6!? 20.Bf6 Nf6+= (worse is 20...gf6 21.Na3+/-)) 20.Nc3= Rc4 (20...Nc7!? 21.Bf6 gf6+=) 21.Rd5+/- Kc6 22.Bf6 Nf6 23.Rg5 1–0. Rost – Vlha, corr, 1989. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    6.Qe2 Be7 7.Ba3 Nf6 8.b5 Be6 9.Be7 Qe7 10.Nf3 0-0 11.Nd4? (better is 11.Qe3+=) 11...Re8-+ 12.Qe3 Qd6 13.Be2 Bg4 14.Qd3 Be2 (better is 14...Nh5 15.g3 Nd7-+) 15.Ne2-/+ Nbd7 16.0-0 Nc5 17.Qg3 Qb6 18.Nbc3 Rad8 (18...Ne6 19.Qd3+=) 19.d4 Nce4 20.Qd3 Nc3 21.Nc3 Ne4 (21...Rc8 22.h3+=) 22.Na4 Qc7 23.Rfe1 Rc8 24.c3 (24.f3!? Nf6 25.Re8 Ne8 26.Nc5=) 24...b6+= 25.Re3 (25.f3 Nd6+=) 25...Qd7-/+ 26.Rc1 Nd6 27.Rb1 Nc4 28.Re2 (28.Re8 Re8 29.g3 a5-/+) 28...Re2-+ 29.Qe2 Re8 30.Qf1?? (better is 30.Qd3-+) 30...Nd2 31.Qd3 Nb1 32.Qb1 Qe7 (better is 32...Qf5 33.Qf1 Qc2-+) 33.f3 (33.g3 Qe1 34.Qe1 Re1 35.Kg2 Re2-+) 33...Qe1 (better is 33...Qe3 34.Kf1 Qe2 35.Kg1 Qd2-+) 34.Qe1 Re1 35.Kf2 Rb1 0–1. Olof,Erik (1880) – Mishuchkov,N (2305), World Senior Teams +65, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    5.ed5 Qd5

    6.Bb2 Nf6 (6...Qe4 7.Ne2 Qb4= (7...Bb4?? 8.Bg7 Nf6 9.Bh8+-)) 7.Nc3+= Qd8 8.b5 Nbd7 9.Nf3 Be7 (9...Bd6 10.Bc4+=) 10.g3 (10.Bc4 0-0+-) 10...0-0+= 11.Bg2 Nb6 12.d3 Qc7 (12...Nfd5 13.Nd5 ed5 14.0-0+=) 13.0-0 Bd7 14.Rb1 (14.Qe2 Rfc8+=) 14...Rfc8 (14...a6 15.ba6 Ra6 16.Qe2=) 15.Ba1 (15.Qe2 a5 16.ba6 Ra6+=) 15...a6 16.ba6 Ra6 17.Rb3 Rca8 18.Bb2 Na4 19.Na4 Ba4 (worse 19...Ra4 20.Ne5 R8a7 21.Re1+=) 20.Be5 Qc8 21.Rb2 Bc6 22.Nd4 (22.Bd4 b5=) 22...Bg2=+ 23.Kg2 Nd7 24.Bf4? (better 24.Nf3!?=+) 24...e5 (better 24...Qc3!? 25.Rb7 Qd4 26.Qf3-+) 25.Nf5 Bf6 (better 25...Ba3!? 26.Bc1 Qc6 27.Kg1 Qf6 28.Nh6 gh6 29.Qg4 Qg7 30.Qd7 Bb2 31.Bb2 f6-+) 26.Bd2 (26.Be3 Qc6 27.Kg1 Ra4=) 26...Nc5 (26...Qc6 27.f3=+) 27.Qf3 e4 (27...Qd7!? 28.Qg4 Qd5 29.f3 g6=) 28.de4+= Ra3 (28...Re6 29.Rb4+=) 29.Qg4 (better 29.Be3 Qe6 30.Rb4+=) 29...Ne4?? (better 29...h5 30.Qe2 Qe6+=) 30.Qe4+- R3a4 (30...Qd7 31.c3+-) 31.Rb4 Rb4 32.Bb4 (32.Qb4?! Qf5 33.Qb7 Rd8=) 1–0. Feicht,A (1990) – Hirn,Thomas (1645), Zirndorf Cup, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    6.c3 e5 7.Na3 Nc6 8.Nc4 Rb8 (8...Be6!?+=) 9.b5!+- Nd8 (9...Qb5 10.Nd6 Double attack) 10.Qh5 Bd6 (10...Be6 11.Qe5 Qe5 12.Ne5+-) 11.d4+- Bc7 12.Ra7 Nf6 13.Qe2 0-0? (better 13...e4+-) 14.b6 (14.de5?! Re8+-; 14.Ne5?! Qb3 15.Qb2 Qb2 16.Bb2 Re8+-) 14...Bb6 15.Nb6 Qc6 16.Qb2 (16.Qe5 Re8 17.Qe8 Ne8-/+) 16...ed4 17.cd4 Re8 18.Be3 Ng4 19.Ra3 Qh6 20.Nf3 (20.Nd5 Qc6 21.Nf4 b5+-) 20...Bf5 (20...Ne3 A) 21.Nc8?? Nc4 22.Re3 Re3 (22...Nb2?? 23.Re8) 23.fe3 Nb2 (23...Rc8?! 24.Bc4 Rc4 25.Qa3=) 24.Ne7 Kh8-+; B) 21.fe3 Re3 22.Re3 Qe3 23.Qe2 Qc3 24.Kf2+-) 21.Ne5 Ne3 22.Re3 Nc6 23.Bc4 Ne5 24.de5 1–0. Mustafin,Andrey (2295) – Bayramov,Zaur (2240), Nakhchivan Open, 2016. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5)

    6.Nc3 Qd6 7.Nf3 Nc6 8.Nb5 Qb8 9.c3 a6 10.Na3 Nf6 11.d4 Bd6 12.Bd3 0-0 13.Bg5 Nd5 14.Qc2 h6 15.Bh4? (15.Bd2 e5 16.Be4 Be6 17.de5 Ne5=) 15...Re8 (better is 15...Nc3 16.b5 ab5-/+) 16.0-0= Bd7 17.b5 Nce7 18.ba6 ba6 19.Rfb1 Qc7 Exerts pressure on c3 20.Nc4 Bf4 21.Ra3 Bb5 22.Nce5 g5 23.c4 (worse is 23.Bb5 ab5 24.Ra8 Ra8-/+) 23...Bc4 24.Qc4 Attacks the isolani on a6 24...gh4 25.Ra6 Ra6 26.Qa6 Rb8 27.Re1 Qc3 28.Qa1 Rb3 29.Qd1 f6 30.Bc4 Rb4 31.Bd5 Nd5 32.Nd3 Rb6 33.Nf4 Nf4+= 34.Re3 Qc6 35.Nh4 Qd5 36.h3 e5? 37.Qa4 Qd4?? 38.Qe8 Kh7 39.Qf7 Kh8 40.Rg3 Ne2 41.Kh2 f5 42.Qg7# (42.Rg8) 1–0. Strater,H (2075) – Groenegres,T (1720), 21st Open Goch GER, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    6.Nc3 Qd8 7.b5 Nf6 8.Nf3 Bd6 9.Bc4 (9.d4 Nbd7+=) 9...0-0 10.0-0 Qc7 11.Qe2 Nbd7 12.Bb2 b6 13.Ne4 Ne4 14.Qe4 Bb7 15.Qg4 g6 16.Ng5 (better 16.Qd4 e5 17.Qh4+=) 16...Bh2-/+ 17.Kh1 Be5 (better 17...h5 18.Qe2 Be5-/+) 18.Ba3?? (better 18.Ne6!? fe6 19.Qe6 Kg7 20.Qe7 Kh6 21.Qh4 Kg7 22.Qe7 Kh6 23.Qh4 Kg7 24.Qe7=) 18...Ba1 (18...Rfc8 19.Qh3 Nf6 20.Be6 fe6 21.Qe6 Kh8 22.Qe5 Qe5 23.Nf7 Kg8 24.Ne5 Rc2 25.Rfc1 Rd2 26.Rc7=) 19.Qh4? (better 19.Ra1!? Ne5 20.Qh4-/+) 19...h5-+ 20.Ra1 Ne5 (20...Rfc8 21.Bb3 Nc5 22.Bb2 Nb3 23.cb3-+) 21.Be2 (21.Be6!? fe6 22.Bf8 Rf8 23.Ne6 Bg2 24.Kg2 Qb7 25.Kf1-/+) 21...Qc2 (better 21...Rfd8 22.Qf4 Rd7-+) 22.Bd6? (22.Qg3 Qf5 23.f4 Ng4 24.Bg4 A) 24...hg4 25.Qh4 Kg7 26.Bb2 e5 27.Be5 Qe5 28.Qh7 (worse 28.fe5 Rh8 29.Qh8 Rh8 30.Kg1 Ra8=+) 28...Kf6 29.fe5 Kg5 30.Qg7+-; B) 24...Qg4 25.Qg4 hg4 26.Bf8 Kf8-+ (worse 26...Rf8 27.Kh2-+)) 22...Qf5 (22...Qd2 23.Bf8 Qe2 24.Bd6-+) 23.Ra4?? (better 23.Bf8 Kf8 24.Ra4-+) 23...f6 (23...Rfd8 24.Rd4 f6 25.Nh3-+) 24.Nh3 (24.Ne4 g5 25.Ng5 fg5-+) 24...Rf7 (24...Rfd8 25.Rd4 Bd5 26.Be7-+) 25.d4 (25.Rd4 Rc8 26.Kh2 Rc1-+) 25...g5 26.Qg3 h4 (26...Qb1 27.Kh2 Rc8 28.f3-+ (28.de5 Rc1 29.Qf3 Rh1 30.Kg3 Bf3 31.Nf4 Be2 32.Ne2 fe5 33.Re4 Qe4 34.Be5 h4)) 27.Qe3 (27.Qb3 Bd5 28.Qc3 Ng4-+) 27...Ng4 28.Bg4 Qg4 29.f3 Qf5 30.Nf2 Qb1 31.Kh2 Qb5 32.Ra1 Qd7 33.Ba3 Bd5 34.Ng4 (34.Re1 a5-+) 34...Kg7 35.Bc1 (35.Kg1 Rc8-+) 35...Qd6 36.Kh1 (36.Kg1 Rc8-+) 36...h3! 37.Ne5 (37.gh3 Qg3 Double attack (37...Qg3 Decoy)) 37...Rh8 38.g4 (38.Ba3 Qb8 39.Kg1 fe5 40.Qg5 Kh7-+) 38...Rc7 (38...fe5!? 39.Qg5 Kh7 40.de5 Bf3 41.Kh2-+) 39.Ba3 Qd8 40.Nd3 Rc3 41.Bb2 (41.Bb4 Rb3 42.Ra3 Rb1 43.Ne1 Rb4 44.Ra7 Kh6-+) 41...Rc2 42.Ra7 Kg6 (42...Kg8 43.Nb4 Rb2 44.Nd5 Qd5 45.Qe4 Qe4 46.fe4 Rh4 47.Rd7 h2 48.Rd8 Kg7 49.Rd7 Kg6 50.Rc7 Rb1 51.Rc1 Rc1 52.Kg2 h1Q 53.Kf2 Rh3 54.Ke2 Qg2) 43.Ne5 (43.Bc1 Rc7 44.Ra3 Rh4-+) 43...fe5 44.Qd3 Kh6 45.Qc2 Qf6 46.de5 (46.Ra3 Bf3 47.Kg1-+) 46...Qf3 47.Kh2 Qf4 48.Kg1 Qg3 49.Kf1 h2 (49...Rf8 50.Rf7 Rf7 51.Ke2 Rf2 52.Kd1 Qg1) 50.Rg7 (50.Ke2 h1Q 51.Qh7 Rh7 52.Rh7 Kh7 53.Kd2 Be4 54.Bd4 Qhe1) 50...h1Q 51.Ke2 Qhe1 0–1. Pawelec,B (2050) – Rudzinska,Michalina (1870), Irena Warakomska Mem B, 2017.

    6.Nc3 Qd8 7.b5 Nf6 8.Nf3 Bd6 9.Bd3 Nbd7 10.0-0 0-0 11.Re1 e5 12.Ng5 (better 12.Ba3!? Nc5 13.Bc5 Bc5 14.Re5+-) 12...Nc5= 13.Bc4 Bg4 14.Be2 Bf5 15.d3 h6 16.Nf3 Qc7 17.Bb2 Rfe8 18.Bf1 Rad8 19.Qc1? (19.g3 a5=+) 19...b6 (better 19...e4 20.de4 Bf4-/+) 20.g3= Ne6 21.Bg2 Bh7 22.Ra4 Rc8 (22...Nc5 23.Rc4+=) 23.Rc4 Qb8 24.Nd2 Bc5 25.Nde4 Ne4 26.Be4 (26.Ne4 Bf8+=) 26...Be4 27.Ne4 (worse 27.Rce4 Ng5 28.Nd5 Qd6-/+; 27.Ree4? f5 28.Rh4 Qb7-+; 27.de4?? Bf2 28.Kf2 Rc4-+) 27...Bd4 28.Rc8 Rc8 29.c3 f5 (29...Bc5!?=) 30.Nd2+- Ng5 31.Qd1 Bc5 32.d4 ed4 33.cd4 Bf8 34.h4 (better 34.Qb3!? Nf7 35.Re5+-) 34...Nf7+= 35.Nf3 Qb7 36.Ne5 Qd5 37.Qa4 Nd6 38.Qa7 Rc2 39.Ba1 Ne4 40.Nd3?? (better 40.Qd7 Qb3 A) 41.Qf5 Rf2 (41...Nf2?! 42.Nd7 Qg3 43.Kf1=) 42.Qg4 h5-+; B) 41.Re4 Rc1 42.Kh2 fe4 43.d5 Ra1 44.Qf7 Kh7 45.Qf5 Kg8 46.Qf7 Kh7 47.Qf5 Kg8 48.Qf7=) 40...Nf2! 41.Nf2 (41.Nf2 Qf3 Double attack (41...Qf3 Decoy)) 41...Qf3 42.Rf1 Qg3 43.Kh1 Qh4 44.Kg1 (44.Kg2 Qg4 45.Kh1 Qf3 46.Kg1 Bd6 47.Qa8 Qa8 48.d5 Qa3 49.Bc3 Qc3 50.Rd1 Qg3 51.Kh1 Qh2) 44...Qg3 45.Kh1 Qf3 46.Kg1 Bd6 (46...Bd6 47.Qf7 Kf7 48.d5 Qg3 49.Kh1 Qh2) 0–1. Pijpers,A (2490) – Arutinian,D (2550), 11th dMP Batavia Blitz (3), 2019. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    6.Nc3 Qd8 7.b5 Nf6 8.Nf3 Be7 9.g3 0-0 10.Bg2 Qc7 11.0-0 Nbd7 12.Re1 a6 13.Qe2 Nb6 14.Nd4 Rd8 15.ba6 Ra6 16.Ra6 ba6= 17.Nc6 Re8 18.Ne7 Qe7 19.Bb2 Qb4 20.Rb1 Rd8 21.Ba1 Qc5 22.h3 Nc4 23.d3 Na3 24.Rb3 Bd7 25.Bb2 Nb5 26.Na4+= Qe7 27.c4+/- Nd4 28.Bd4 Ba4 29.Rb7 Qd6 30.Be5 Qa3 31.d4 Nd7 32.Bc7 Rc8 33.c5 Qa1+= 34.Kh2 Qd4 35.c6 Nf6? 36.Be5 Qc5 37.Bf6 (37.Bf6 Bc6 38.Qg4+-) 1–0. Harter,Jorge – Zapata,T (2035), Jose Marca Castaneda mem Open, Lima PER, 2007.

    6.Nc3 Qe5 7.Be2 Nf6 (7...Bb4 8.Nf3 Qf4 9.Nb5=) 8.Nf3 Qc7 9.Bb2 Bd7 (9...Bb4 Worse is 10.Nb5 Qb6 11.Be5+-) 10.b5 (10.Nb5 Bb5 11.Bb5 Nbd7+=) 10...Bd6 (10...e5 11.Nb1 e4 12.Be5=) 11.Ra4 a6 12.Qa1 a5 (12...0-0 13.Nd1 Ne8 14.Bc3+=) 13.Rc4 White threatens to win material: Rc4xc7 (13.Ng5 h6 (13...Bh2?? taking the pawn is naive 14.Rc4 Nc6 15.Nce4 Ne4 16.Ne4+-) 14.Nge4 Be7+- (14...Bh2 taking that pawn is still a mistake 15.Nf6 gf6 16.Rc4+-)) 13...Qd8 14.Ne4 (14.Ba3 Be7+=) 14...Ne4 (14...Be7 15.Nf6 gf6 16.Rf4+/-) 15.Re4 (better is 15.Bg7 Nf2 16.Kf2+=) 15...Qb6?? (better is 15...f6= saving the game) 16.Bg7+- Rg8 17.Ng5 Be7 18.Nf7! Decoy: f7 18...Bb5 (18...Kf7 19.Bh5 Mate attack Decoy) 19.Bh5 Rg7 (19...Nc6 praying for a miracle 20.Nh6 Kd7 21.Ng8 Rg8+-) 20.Qg7 Nd7 (20...Kd7 cannot change what is in store for White 21.Bg4 Ra6 22.Ng5+-) 21.Ng5 Kd8 22.Ne6 Kc8 23.Qe7 Kb8 24.Qd8 Qd8 25.Nd8 a4 26.Re8 Ka7 27.Be2 Be2 28.Ke2 a3 29.Nc6! (29.Nc6 bc6 30.Ra8 Ka8 31.Ra1+-) 1–0. Sonnet,Jean Pierre (2155) – Balais,Andre, FRA–chT2 France, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    5.e5 Nc6

    6.Bb5 Bd7-/+ 7.Bc6 Bc6 8.d4 Qh4 9.Ne2 Nh6 10.c3= Nf5 11.Nd2 Bb5 12.0-0= g5 13.Ra5 a6= 14.Nf3 Qe4+= 15.Re1 Nh4 16.Nh4 Qh4 17.Bd2 Qh5 18.f3 Be7 19.Qa1 0-0 20.Ng3 Qg6 21.Qc1 Rac8 22.Qb2 Rc4 23.Rf1 Bb4!-/+ 24.Ra2 Be7 25.f4 gf4 26.Bf4 Rfc8 27.Rf3 Kh8 28.Ne2 R4c7 29.Rg3 Qh5 30.Kf2?? Bh4-+ 31.Qd2 Qe2 32.Qe2 Be2 33.Ke2 Bg3 34.Bg3 Rc3 35.Bh4 Rc2 36.Rc2 Rc2 37.Kd3 Rg2 38.Bg3 h5 39.Kc3 Kh7 40.Kb4 Kg6 (40...Kg6 41.Be1 Rh2-+) 0–1. Perrottey – Magrin,Antonio, Leipzig olm prel, 1960.

    6.d4 Bb4 7.c3 Be7 8.Bd3 (8.Qg4 g6+=) 8...Bd7 9.h4 h5 (9...a6 10.Qh5+=) 10.g3 (10.Ne2 a5-/+ (10...Bh4?! 11.Nf4=)) 10...Qb6 (10...Rc8 11.Be2+=) 11.Nf3 (11.Be2 g6-/+) 11...Nh6 (11...a6 12.Ba3+=) 12.0-0 (12.Bh6 Rh6 (12...gh6?! 13.Ra2+=) 13.Nbd2 Rh8+=) 12...0-0-0 (better is 12...Ng8!?-/+) 13.Re1 (13.Nh2 g6=) 13...f6 (13...Ng4 14.Ra2=) 14.Re2 (14.ef6 Bf6 15.Na3 Rdg8+=) 14...fe5 (14...Ng4 15.ef6 gf6 16.Raa2=) 15.Rb2 (15.Ne5 Ne5 16.Re5 Be8=) 15...Qc7= 16.de5 (better is 16.Ne5!? Ne5 17.Ra7=) 16...Bc5 17.Bf4 (17.Bh6 gh6 18.Qe2 Rdf8-/+) 17...Ng4-/+ 18.Na3 (18.Raa2 Rhf8 (worse is 18...Nce5 19.Ne5 Ne5 20.Qe2 Nf3 21.Qf3+=) 19.Bg6 Bf2 20.Rf2 Be8-/+) 18...a6 (18...Nge5 19.Nb5 Qb8 20.Ne5 Ne5 21.Qe2 Bb5 22.Bb5+-; 18...Nce5 19.Ne5 g5 20.Nd7 (20.Ng4?? gf4 21.Kh1 fg3 22.fg3 Bc6-+) 20...gf4 21.Nc5 fg3 22.Qb3 (worse is 22.Ne6 gf2 23.Rf2 Nf2 24.Nc7 Nd1-/+) 22...gf2 23.Kf1 Nh2 24.Kf2 Qc5 25.Kg2 Rhg8 26.Kh1+=) 19.Qf1 Nb8 (better is 19...Rdg8!?-/+) 20.Nd4 Rdf8 21.Rab1 (better is 21.Qe1!?+=) 21...Ba3-/+ 22.Rb7 Qb7 23.Rb7 Kb7 24.f3 Rf4 25.gf4 Ne3 26.Qb1 Ka7 27.Kf2 Nc4 28.Bc4 dc4 29.Qg6 Bc5 30.Qg7 Bd4 31.cd4 Re8 32.f5+= ef5 33.d5 Kb6 34.Qf6 Kc5+= 35.Qd6 Kd4 1–0. Zala,Gyula (2175) – Mincsovics,Miklos (2135), HUN–chT2 Erkel, 2002. (=1.e4 c5 2.a3 e6 3.b4 cb4)

    6.d4 Bb4 7.c3 Bf8 8.Bd3 a6 9.Ba3 (9.Nf3 Be7=) 9...Bd7 (9...Ba3 10.Na3 Na7 11.Nf3=) 10.h4 (10.Bf8 Kf8 11.Nh3 Na7=) 10...b5 (10...Ba3!? 11.Na3 Nge7+=) 11.Bf8+= Kf8 12.Ne2 (12.Nf3 h5+=) 12...Qb6 (12...a5 13.Nd2+=) 13.Na3 Rc8 14.Qb1 (14.0-0 f6 15.f4 Nh6=) 14...Nge7 15.h5 (15.0-0 f6 16.ef6 gf6=) 15...h6 16.g4 (16.Nc2 a5=) 16...Na5 (16...f6 17.f4=) 17.Qb4 Nc4 18.Nc4 dc4 19.Be4 Ke8 (19...Bc6!? 20.Ng3 Qb7 21.Bc6 Qc6=) 20.Qa5 Qa5 21.Ra5 Bc6 22.Bc6 Rc6 23.Kd2 Nd5 24.Rha1 Nc7 25.Ng3 Ke7 26.Ne4 Rb8 27.Kc2 f6 28.ef6 gf6 29.Nc5 White threatens to win material: Nc5xa6 29...Rg8 30.Na6 Na6 31.Ra6 ½–½. Frink,Ferenc (2180) – Daroczy,Sandor, Alfoeld Cup op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    6.d4 Bb4 7.c3 Bf8 8.Bd3 Bd7 9.Ne2 Nge7 10.Ba3 Rc8 11.h4 a6=+ 12.Rh3 Na7 13.Nf4 Ng6 14.Ng6 hg6 15.Bf8 Kf8 16.Qg4 Be8 17.Ra2 Nb5 18.Bc2 Rh6 19.Rf3 Rh4-+ 20.Qg6 Nc3! 21.Nc3 Rc3! 22.Qg3 Rf3 23.Qf3 Rd4 24.Qc3 Rc4 25.Qa3 Qe7 26.Qh3 Qb4 27.Ke2 Rh4 28.Qa3 Bb5 29.Bd3 Re4 30.Kf3 Bd3 31.Qd3 Re5 32.Rc2 Qe4 33.Qe4 Re4 34.Rc8 Ke7 35.Rc7 Kf6 36.Rb7 Ra4 37.g4 g5 38.Kg3 a5 39.Ra7 Ra3 (39...Ra3 40.Kg2 a4-+) 0–1. Rodriguez Sorribes,J (2135) – Bruzon Batista,L (2590), 35th Open Manresa ESP, 2008.

    6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7 9.Nh3 Nf5 10.0-0 Be7 11.Na3 (11.Nf4 0-0+=) 11...0-0 12.Nc2 (12.Nf4 f6 13.Bf5 ef5+=) 12...f6 13.g4 (13.ef6!? Bf6 14.Bf5 ef5 15.Ne3+=) 13...Nh4-/+ 14.ef6 Rf6 15.f4 Rf7 (15...Ng6 16.Ba3-/+) 16.Ba3 h6 17.Be7 Ne7 18.Ne3 White prepares f5 18...Qc7 19.Qe1 Nhg6 f4 becomes the focus of attention 20.f5 ef5 21.gf5 Nf8 22.Ra2 (22.c4 Qb6 23.Qc3 Qf6+=) 22...Bd7 (22...b5 23.Nf4 Qd6 24.Bb5 Bf5 25.c4+=) 23.Rg2 (23.c4 Qd6+=) 23...Re8 24.Qd2 Nh7 25.Ng4 Kh8 26.Ne5 Rf6 27.Ng4 Rf7 28.Ne5 Rf6 29.Ng4 Rf7 30.Ne5 ½–½. Pundt,Wilfried (1795) – Walkewitz,Hubert (2050), Berlin GER, Team Senior Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5)

    6.d4 Nb4 7.c3 Na6 8.Bd3 Bd7 9.Nh3 h6 10.Qh5 Be7 (10...Ne7!?=) 11.Nf4+= Bg5 12.Ng6! (12.Ba6?! ba6 13.Nd3 Bc1 14.Nc1 Bb5=) 12...Bc1? (12...fg6 13.Qg6 Double attack) 13.Nh8 Qe7 14.Nf7! (14.Ba6?! ba6 15.Kd1 Bb2 16.Ra6 Qf8+-) 14...Bc6 (14...Qf7 15.Bg6) 15.0-0 Bb2 16.Ra2 1–0. Matseyko,E (2200) – Dolukhanova,E (2130), UKR–ch U20 Girls sf, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6)

    4.ab4 d6

    5.d4 Nf6 6.Bd3 Qc7 7.Ne2 Be7 8.0-0 e5 (8...0-0 9.Bd2+=) 9.c3 (9.Na3 Nc6 10.c3 d5+-) 9...0-0 10.Na3 Bd7 11.Nc2 (11.c4 Rc8+=) 11...a5 (11...d5 12.f3=) 12.b5 (12.ba5 Nc6+=) 12...Bg4 (12...d5 13.f3=) 13.Ne3+= Be2 14.Qe2 g6 (14...Re8 15.Qb2+=) 15.f4 Nbd7 (15...Qc3 16.Bb2 Qc7 17.de5 de5 18.fe5+-) 16.Ba3 (16.fe5 de5 17.Nc4 a4+-) 16...Qd8 (16...ef4 17.Nc4+-) 17.f5 (17.Qf3 a4+-) 17...Nb6 18.Rad1 (18.Rac1 a4+-) 18...Qc7 19.Rc1 Rac8 (19...a4 20.g3+=) 20.Ng4 (20.fg6 fg6 21.Qa2 Kg7+=) 20...Ng4 (20...Qd7 21.Nf6 Bf6 22.Bb2+=) 21.Qg4 Rfe8 22.fg6 hg6 23.Rf3 (23.Qf3 Bg5 24.Ra1 Re6+=) 23...Qd7 24.Qg3 Rf8 (24...d5 25.Be7 Re7 26.de5 de4 27.Be4+-) 25.h4 (25.c4 a4+-) 25...ed4 (25...Nc4 26.Bc4 Rc4 27.h5 ed4 28.hg6+-) 26.cd4 (26.e5 Rc3 27.Rc3 Bh4 28.Qh4 dc3+-) 26...Rc1 (26...d5!? 27.Rc8 Rc8 28.ed5 Ba3 29.Bg6 fg6 30.Qg6 Qg7 31.Qb6 Kh7=) 27.Bc1+- Qe6 (27...Rc8 28.Bh6 Qd8 29.e5 Bh4 30.Qf4+-) 28.h5 Bf6 (better 28...a4!?+-) 29.Be3+- Bg7 (29...Nd7 30.hg6 Bg7 31.Qh4 fg6 32.Qh3+-) 30.d5 (better 30.h6 Bf6 31.d5 Nd5 32.ed5+-) 30...Nd5 31.ed5 Qd5 32.h6 (32.Bf2 Qh5 33.Qd6 Be5+-) 32...Be5 33.Bf4 Bd4 34.Kh2 Qh5 35.Qh3 Qh3 36.Kh3 Bc5 (36...d5 37.Bb1 Bb6 38.Bg5+-) 37.Bc4 (37.Bd2!? b6 38.Bc4 Bd4+-) 37...Kh7 38.Bd2 (better 38.Rd3+-) 38...a4? (better 38...f5+-) 39.Bf7 Ra8 (39...d5 40.Bd5 Rf3 41.gf3 b6+-) 40.Ba2 a3 (40...Bd4 41.Rf7 Kh8 42.Rb7 a3+-) 41.Rf7 Kg8 (41...Kh8 42.Bc3 Bd4 43.Bd4 Kg8 44.h7) 42.h7 (42.h7 Kh8 43.Bc3 Bd4 44.Bd4) 1–0. Kuncar,Petr (2115) – Vavra,Antonin (2035), CZE–chT2E, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d6)

    5.d4 Nf6 6.f3 Be7 7.Be3 (7.b5 Qb6 8.Nc3=) 7...Nc6 (7...0-0 8.b5=) 8.Bb5 (better 8.b5!? Na5 9.Qd2+=) 8...Bd7 9.Bc6 bc6 (9...Bc6 10.c4=+) 10.c3 (10.Ne2 0-0=) 10...a5=+ 11.ba5 Ra5 12.Ra5 Qa5 13.Ne2 0-0 14.0-0 Rb8 15.Kh1 (15.Qd3 Bc8-/+) 15...d5 (15...Qa6 16.Qc2-/+) 16.e5 Ne8 17.f4 (17.Nd2 Bc8-/+) 17...c5 (17...Nc7 18.Nd2-/+) 18.g4 (18.dc5 Qa6-/+) 18...g6 (18...Qa6 19.Nd2 Ba4 20.Qe1-/+) 19.Ng3 White prepares the advance f5 (19.dc5 Nc7-/+) 19...Ng7 (19...Bb5 20.Re1-+) 20.Qc2 White intends f5 (20.dc5 Bb5 21.Re1 Bc6-/+) 20...Bb5 21.Rg1 cd4 (21...Qa6 22.Qf2-/+) 22.Bd4 (22.cd4 Ba4 23.Qa2 Rc8-/+) 22...Bh4 (22...Qa6 23.Qb2-/+) 23.f5? (better 23.Nd2!?=+) 23...Bg3-+ 24.Rg3 Ba4 25.Qd3 Bb5 26.Qf3?? (26.Qc2!?=) 26...Be2 (better 26...Qa2 27.Na3 Qa3-+) 27.Qe2=+ Rb1 28.Kg2 ef5 29.e6? (better 29.gf5 Qa1 30.Qf3 Rb2 31.Bf2=+) 29...Ne6-+ (29...fe6?! 30.Bg7 Kg7 31.gf5 ef5 32.Qe7 Kg8 33.Qe8 Kg7 34.Qe7 Kg8 35.Qe8 Kg7 36.Qe7=) 30.Qe5 (30.Re3 Kf8 31.Re6 fe6 32.Qe6 Rb2 33.Kf3 fg4 34.Kg4 Qc7 35.Qf6 Ke8 36.Qe6 Qe7 37.Qg8 Kd7 38.Qd5 Qd6 39.Qf7 Kc8 40.Qc4 Kd8 41.Qg8 Kc7 42.Qh7 Kc6=+) 30...Nd4 31.Qd4? (31.Qe8 Kg7 32.Qe5 Kf8 33.Qh8 Ke7 34.Qd4 Rb2 35.Kh3 fg4 36.Kg4-+) 31...Qb5 (better 31...Rb2 32.Kh3 Qa2-+) 32.Re3 (32.c4 Qb2 33.Qb2 Rb2 34.Kg1 dc4 35.gf5-+) 32...Qf1 33.Kg3 Qg1 34.Kh3 fg4 35.Kh4 (35.Qg4 Qe3 36.Qg3 d4 37.cd4 Qe6 38.Kh4 Qf6 39.Qg5 Qd4 40.Kh3 Qd3 41.Qg3 Qf5 42.Qg4 Rb3 43.Kh4 Qf2 44.Qg3 Rb4 45.Kh3 Qf1 46.Qg2 Rb3 47.Kh4 Qg2 48.h3 Rh3) 35...Qh2 36.Kg5 (36.Rh3 Qh3 37.Kg5 Rf1 38.Qf4 h6 39.Kf6 Qe3 40.Qf1 Qe6) 36...h6 37.Kg4 f5 38.Kf3 Rf1 0–1. Picken,Oliver (1850) – Oka,Hikaru, 124th New Zealand Championship Open, 2017.

    4.ab4 Qf6

    5.c3 Bb4 6.d4 Be7 7.Bd3 d6 8.f4 e5 9.Ne2 Qg6 10.0-0= Nf6 11.f5 Qh5 12.Qe1 g5 13.Nd2 Qh6 14.Nf3 Nfd7 15.Be3 Qg7 16.Ng3 g4 17.Nh5+/- Qg8 18.Nd2 Kd8 19.Nc4 f6 20.Be2 Qf7 21.Qh4 Rg8 22.Nd2 d5 23.ed5 ed4 24.Bd4 Rg5 25.Nf4 Nc5 26.Ne6 Be6 27.fe6 Ne6? 28.de6 Qe6 29.Bc4 Qc6 30.Rae1 Bc5 31.Qh7 Bd4 32.cd4 Qd6 33.Kh1 Nd7 34.Ne4 (34.Ne4 Qe7 35.Qe7 Ke7 36.Ng5 Kd6 37.Nf7 Kc7 38.Re7+-) 1–0. Nanu,Ciprian (2325) – Papp Z,Csaba (2350), Szeged TT04 IM, 1998.

    5.d4 Nc6 (5...Bb4 6.c3 A) 6...Be7 7.Bd3 (7.e5 Qg6 8.Ba3 Qe4 9.Qe2 Qe2 10.Be2 b6 11.Nf3 Bb7 12.Nbd2=; 7.Nf3 Qg6 8.Nbd2 d6 9.Be2 Nd7 10.0-0 Nh6 11.Ba3 0-0 12.e5+=; 7.Nd2 d5 8.Bd3 Nc6 9.e5 Qg5 10.Ngf3 Qh5 11.0-0 Nh6 12.Ba3=) 7...d6 8.Nf3 Qg6 9.e5 f5 10.ef6 Qf6 11.Na3 Nc6 12.Nb5+=; B) 6...Bf8 7.e5 (7.Bd3 d5 8.Nf3 de4 9.Be4 Qd8 10.Bg5 Be7 11.Be7 Qe7 12.0-0=; 7.Nf3 Qg6 8.Qe2 Nc6 9.Na3 Ba3 10.Ra3 d6 11.d5 Nce7 12.Nh4=; 7.Bb5 Nc6 8.e5 Qd8 9.Ba3 d6 10.Nf3 Qc7 11.Nbd2 Bd7 12.ed6=) 7...Qd8 8.Bd3 d5 9.Nf3 Ne7 10.Ba3 Bd7 11.0-0 Nbc6 12.Nbd2=; 5...Qg6 6.Qf3 (6.e5 Bb4 7.c3 Be7 8.Ba3 Qe4 9.Qe2 Qe2 10.Be2 b6 11.Nf3 Bb7 12.Nbd2=) 6...Bb4 7.Nd2 (7.c3 Be7 8.Bf4 a6 9.Bd3 Nh6 10.e5 f5 11.Nd2 Nc6 12.h4=) 7...d5 8.c3 de4 9.Ne4 Qe4 10.Qe4 Bc3 11.Bd2 Ba1 12.Nf3+-) 6.e5 (better is 6.c3!?+= A) 6...d5 7.b5 (7.Bd3 Qd8 8.Nd2 de4 9.Ne4 f5 10.Ng3 Nf6 11.b5 Nb8 12.Nf3+/-) 7...Nd8 8.Bd3 de4 9.Be4 Qh4 10.Bd3 Bd6 11.Nd2 Qe7 12.Ne4+/-; B) 6...d6 7.Nd2 (7.b5 Nce7 8.Bd3 Qg6 9.Qf3 e5 10.b6 a5 11.Bb5 Bd7 12.Bd7+/-; 7.d5 Ne5 8.Be3 Qg6 9.f3 a6 10.Ne2 Bd7 11.b5 a5 12.Nf4+=; 7.Nf3 Qg6 8.Nbd2 Nf6 9.b5 Nd8 10.b6 a5 11.e5 Nd7 12.ed6+/-) 7...d5 8.Bd3 a5 9.ba5 Ra5 10.Ra5 Na5 11.Ngf3 Nc6 12.0-0+/-; C) 6...Qd8 7.Bd3 (7.Nd2 d5 8.Ngf3 Nf6 9.e5 Nd7 10.Bd3 Qc7 11.0-0 f6 12.b5+/-; 7.d5 ed5 8.ed5 Ne5 9.Be3 a6 10.Nf3 Bd6 11.Ne5 Be5 12.f4+/-; 7.Nf3 d5 8.Nbd2 Nf6 9.e5 Nd7 10.Bd3 Qc7 11.0-0 f6 12.b5+/-) 7...d5 8.Nd2 a5 9.Ngf3 Nf6 10.e5 Nd7 11.0-0 Qc7 12.Qc2+/-; D) 6...Qg6 7.Qe2 (7.Qf3 d6 8.Bd3 e5 9.d5 Nb8 10.Be3 a6 11.Nd2 Nf6 12.Bb5+/-) 7...d6 8.Nf3 a6 9.e5 Be7 10.b5 Nd8 11.Qd3 Qg4 12.h3+/-) 6...Ne5= (worse is 6...Bb4 7.c3 A) 7...Qe7 8.Bb5+- (8.cb4 Qb4 9.Qd2 Qd4 10.Qd4 Nd4 11.Ra4 Nc6 12.f4+/-) 8...Qf8 9.Bc6 dc6 10.cb4 Qb4 11.Qd2 Qd2 12.Nd2+-; B) 7...Ne5 8.cb4 Nc6 9.Nf3 Nb4 10.Ra4 Nd5 11.Bg5 Qg6 12.Bd3+/-) 7.c3 (7.Ra4 Nc6 8.b5 Nb4 9.c3 Nd5 10.Nf3 Qg6 11.Qd3 Nb6 12.Ra5+=) 7...Ng6 8.Nf3 h6 9.Na3 Qd8 (9...a6 10.Qa4 N8e7 11.Bd2 Nf4 12.c4+=) 10.Bd3 (10.Nb5 a6 11.h4 Be7 12.Bd3=) 10...N6e7 (10...d6 11.0-0 Nf6 12.Re1=) 11.0-0 (11.Nb5 Nd5 12.0-0+=) 11...Nd5 (11...Nf6 12.Nb5+=) 12.Qb3 (12.Bd2+=) 12...Ngf6 13.Bc4 Be7 14.Bd5 Nd5 15.Nb5 Qb6 16.c4 0-0 (16...Bb4 17.Qa4 Bc3 18.Ba3 Ba1 19.cd5+-) 17.Ne5 Nb4 (17...Bb4 18.cd5 Qb5 19.Ba3+=) 18.Qg3 Kh7 19.Nf3 d6 20.Bd2 Na6 21.Rfb1 Qd8 (better is 21...Qc6!?-+) 22.Bf4+= d5 23.c5 g5 24.Bd6 f5 25.Ne5 Bd6 26.Nd6 b6 27.Nc8 Qc8 28.cb6 ab6 29.h4 g4 30.Rb6 Nc7 31.Rab1 Kg8 32.Ng6 Re8 33.Qe5 Kf7 34.h5 Qd7?? 35.Rb7+- Rec8 36.Rc1 Ke8 37.Qh8 Kf7 38.Ne5 (38.Ne5 Ke7 39.Qg7 Ke8 40.Qd7 Kf8 41.Qf7) 1–0. Al_Khulaifi,Ghada – Sotomayor Villatoro,S (1775), 39th Olympiad Women, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    4.ab4 Nf6

    5.d3 Bb4 6.c3 Be7 7.f4 d5 (7...0-0 8.e5 Nd5 9.Nf3-/+) 8.e5 Nfd7 9.d4 0-0 10.Bd3 f6 (10...Nc6 11.Nf3-/+) 11.Nf3 (11.Qh5 f5=+) 11...Nc6 12.0-0 f5 (12...a5 13.Qc2 h6 14.Nh4=+) 13.Ra2 (13.Ba3 Nb6=+) 13...Rf7 (13...Nb6 14.Ba3=+) 14.g3 (14.Ba3 Nb6=) 14...Nf8 (14...Nb6 15.Ba3=+) 15.Rg2 (15.Ng5 Bg5 16.fg5 Ng6=+) 15...Kh8 (15...Ng6 16.Ba3=+) 16.Kh1 (16.Ng5 Bg5 17.fg5 a6=+) 16...Bd7 (16...a5 17.Ba3-/+) 17.g4 (17.Ba3 a6=+) 17...g6 (17...fg4 18.Ng5 Bg5 19.fg5=+) 18.gf5=+ ef5 19.Ng5 Bg5 (19...Rg7 20.Qb3=+) 20.Rg5 (20.fg5 Ne6=+) 20...Ne6=+ 21.Rg3 Ne7 22.Qf3 (22.Ba3 Qb6=+) 22...Bc6 23.Rfg1 Qd7 24.Ba3 Ng7 (24...Bb5 25.Bc2=+) 25.Rh3 Kg8 26.Qg3 Bb5?? (better 26...Ne6=) 27.Bb5 Qb5 28.Be7 (28.Qh4 Ne6 29.Be7 Nf4 30.Qf4 Re7 31.Qf5 Qd7 32.Qd7 Rd7+-) 28...Re7 29.Qh4 Re6 30.Qh7 Kf7 31.Rhg3 Qc6 32.Nd2 Rg8 33.Nf3 Kf8 (33...Qa6 34.Ng5 Kf8 35.Ne6 Ne6 36.Rg6 Rg6 37.Qg6 Ke7 38.Qh7 Ke8 39.Rg8 Nf8 40.Qh5 Kd7 41.Rg7 Kd8 42.Qg5 Kc8 43.Qf5 Ne6 44.Rg8 Kc7 45.Qf7 Kb6 46.Qe6 Ka5 47.Qd5 Qb5 48.Qb5 Kb5+-) 34.Rg6 (better 34.Nh4 a6 35.Ng6 Ke8 36.Qg8 Kd7 37.Nf8 Kc8 38.Ne6 Ne8 39.Rg7+-) 34...Rg6+- 35.Rg6 Qc3 36.Kg2 Qc2? (36...Qc8+-) 37.Kg3 Qc7 (37...Qc8 38.Kh4 Qc1 39.Kg5 Ne6 40.Kf6 (40.Kf5?! Rg6 41.Qg6 Qc2 42.Kf6 Qg6 43.Kg6 Nf4 44.Kf5 Ng2+-) 40...Rg6 41.Qg6+-) 38.Rf6 (38.Rf6 Ke7 39.Qg8 Nh5 40.Kh3 Nf6 41.Qg7 Kd8 42.Qf6 Qe7 43.Qf5+-) 1–0. Zala,Gyula (2040) – Henrichsen,Jens (1990), First Saturday FM–A, 2010. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Nf6)

    5.e5 Qc7 6.Bb2 Nd5 7.b5 Nb6 8.Nf3 Be7 9.Be2 a6 10.Na3 0-0 11.0-0 d6 12.ba6 ba6 (worse is 12...Na6 13.Nb5 Qd8 14.Nd6 Bd6 15.ed6+/-) 13.ed6 Bd6 14.Bd3 h6 15.Re1 N8d7 16.Qe2 Nc5 17.Bc4 Nca4 18.Be5 Be5 19.Ne5 Nc4 20.Nac4 Nb6 21.Nb6 Qb6 22.Ra3 Qd8 23.Rg3 g5 24.Qh5 Qd2? (better is 24...Kg7 25.d4! Bb7+-) 25.Nf3 (25.Nf3 Qe1 26.Ne1+-) 1–0. Kondou,Eva (2160) – Papadopoulou,Triantafilia, GRE–ch (Women), 1993. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.e5 Qc7 6.Nf3 Ng4 7.d4 Bb4 8.c3 Bc3 9.Nc3 Qc3 10.Bd2 Qb2 11.Rb1 Qa2 12.Bd3 Nc6 13.0-0 a6 14.Re1 Qd5 15.Be4 Qa2 16.Qc1 f5 17.Bc6 dc6 18.h3 Qd5 19.hg4 fg4 20.Ng5 g3 21.fg3 Qd4 22.Be3 Qg4 23.Bc5+- h5?? 24.Ne4 h4 25.Nd6 Kd7 26.Qd2 hg3 27.Nf7 Ke8 28.Qd8 Kf7 29.Qh8 Qc4 30.Rf1 Kg6 31.Qe8 Kh6 32.Be3 Kh7 1–0. Spencer,E (2180) – McGreechin,Joe, 115th ch–SCO, Glasgow SCO, 2008.

    5.e5 Nd5

    6.b5 b6 7.Nf3 d6 8.Bb2 de5 9.Ne5 Be7? (9...Qf6 10.Nc4 Qh4 11.Qf3+/-) 10.Qh5 (10.c4 Nc7 11.Qg4 Bf6+/-) 10...0-0 (10...g6 11.Qf3 f6 12.Ng4+/-) 11.Bd3 (11.c4 g6 12.Qf3 Nc7+/-) 11...Nf6 (11...f5 12.0-0+=) 12.Qh3 Qc7? (12...h6 13.Qe3+/-) 13.Ra4 (better is 13.Ng4!? h5 14.Nf6 Bf6 15.Bf6 gf6 16.Qh5+-) 13...g6 Covers f5 (13...h6 14.Ng4 Rd8 15.Nf6 Bf6 16.Bf6 gf6 17.Qh6+-) 14.Qh6 (better is 14.Rc4 Qd8 15.0-0+=) 14...Bd6?? (14...Nbd7 15.Rc4 Nc5 16.0-0+=) 15.Nc6 (15.Ng4 Be7 16.Nf6 Bf6 17.Bf6 Qe5 18.Be5 f6 19.Bg6 Rf7 20.Bh7 Rh7 21.Rg4 Kf7 22.Qh7 Ke8 23.Rg8) 15...e5= 16.Nb8 Rb8 17.Rh4 Qe7 18.Nc3 Nh5?? (better is 18...Bb7 19.0-0 Rfc8+=) 19.Rh5+- f5 (19...f6 20.Bg6! Rb7 21.Be4+-) 20.Bc4 Kh8 21.Qg6 Bb7 22.Nd5 (22.Nd5 Bd5 23.Bd5+-) 1–0. Aristegui,Michel – Perrichon,Jim, Paris op–A, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    6.b5 Qc7 7.d4 Bb4 8.Bd2 b6 9.Bb4 Nb4 10.c4 Bb7 11.Na3 0-0 12.Nf3 d6 13.Qb1 a5 14.ba6 N8a6 15.Nb5 (15.Ng5 g6 16.Nb5+=) 15...Qc6 16.Ng5 g6 17.Nd6 Nc2! 18.Kd2 (18.Qc2 Nb4) 18...Na1-/+ 19.Qa1 Nb4 20.Qd1 (better is 20.Qb1!? Ra2 21.Ke3 Ra3 22.Ke2-/+) 20...Ra2-/+ 21.Ke3 f6 22.Ne6? (better is 22.Nge4 fe5 23.de5 Raf2 24.Be2-+) 22...fe5 23.de5 Re8 (better is 23...Nc2!? 24.Ke2-+) 24.Qg4 Bc8 25.Ne8 Qe8 26.c5?? (26.f4 Be6 27.Qe2-+) 26...Nd5 27.Kf3 Be6 (27...Qe6?! 28.Qe6 Be6 29.cb6 Nb6 30.Bb5-+) 28.Qd4 (28.Qg5 Qf8 29.Ke4 Qc5 30.Qd8 Kf7 31.Qd5 Qd5 32.Kf4 Qd4 33.Kg5 Qg4 34.Kh6 Qh5) 28...bc5 29.Qh4 Qf7 (29...Qf7 30.Qf6 Nf6 31.ef6 Qf6 32.Ke4 Rf2 33.Bc4 Qd4) 0–1. Pliete,Christian (1785) – Janssen,Guido (1715), Muensterland Verbandsklasse–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.b5 Qc7 7.d4 Nc3 8.Qd3 Nb1 9.Rb1 d5 10.Ne2 Nd7 11.Ng3 a5 12.ba6 ½–½. Ritterhoff,Lennart (1660) – Teknis,Joannis (1735), Schleswig Holstein–ch A, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6)

    6.b5 Be7 7.d4 0-0 8.Bd3 f5 9.c3 b6 10.f4 Bb7 11.Nf3 Qc7 12.Bd2 a5 13.0-0 d6 14.ed6 Bd6 15.Ne5 Nd7 16.Qe1 Rae8 17.Na3 Rf6 18.Nac4 Be5 19.fe5 (19.de5?! Rg6 20.Rf2 Nc5=) 19...Rg6 20.Rf2 Nc5? (better is 20...Rf8+-) 21.dc5 Qc5 22.Nd6 Nf4 (22...Rg2 23.Kg2 Nf4 24.Kg3 Nd3+-) 23.Bf4 (23.Ne8 Rg2 24.Kf1 Nd3-+; 23.Nb7?! Rg2 24.Kh1 Qf2 25.Bf4 Qf3+=) 23...Rg2 24.Kf1 Rf2 25.Qf2 Qc3 1–0. Scharl,Walter – Numberger,Ulrich, Regionalliga SW, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.c3 Qc7 7.Nf3 d6 8.Bb5 Bd7 9.ed6 Bd6 10.Na3 0-0 11.0-0 a6 12.Bd3 Nf4 13.Qc2 Nd3 14.Qd3 Rd8 15.Ng5 f5 16.Qh3 h6 17.Nf3 e5 18.d4 e4 19.Ne5 Be5 20.de5 Qe5 21.Nc4 Qe6 22.Ne3 f4 23.Qe6 Be6 24.Nc2 g5 25.Nd4 Bd5 26.Rd1 Nc6 27.Nc6 Bc6 28.Rd4 Rd4 29.cd4 Rd8 30.Bb2 Kf7 31.Ra5 Bb5 32.Ra3 Rc8 33.Bc3 Ke6 34.h3 Kd5 35.Kh2 e3 36.fe3 fe3 37.Kg3 e2 38.Be1 Kd4 39.Bf2 Kd5 40.h4 (40.Be1 Ke4-+) 40...gh4 41.Kh4 Rc4 42.Kh5 Rb4 43.Kh6 Rf4 44.Rf3 Rf3 45.gf3 a5 (45...a5 46.f4 a4-+) 0–1. Prus,Marek (1810) – Nowicki,Bartosz (1825), 56th YMCA Winter C Poland, 2009. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Nf6 5.e5 Nd5)

    6.c3 Qc7 7.Qh5 +=.

    6.c3 d6 7.d4 de5 8.de5 Qc7 9.Nf3 Nc3 (9...a6!?=) 10.Nc3+= Qc3 11.Bd2 Qc7 12.Rc1 Qd8 13.Bb5 Bd7 14.Qe2 Nc6 15.0-0 a6 16.Bc6 (16.Ba4!?=) 16...Bc6+= (16...bc6 17.Rfd1+=) 17.Rfd1 Qb6 18.Ng5 (18.Be3 Qb5 19.Qc2+=) 18...g6 (18...Rd8 19.Bc3+=) 19.Qg4 (19.Ne4 0-0-0+=) 19...Qc7 (19...Be7!?+=) 20.Ne4+= 0-0-0 (20...Qe5 Not 21.Rc6 f5 22.Bc3 bc6 23.Be5 fg4 24.Bh8 Bb4 25.Ba1+/-) 21.Bg5 Rd1 22.Rd1 Bb4 23.Nd6 Bd6 24.ed6 Qd7 25.Qd4 e5 26.Qa7 Qg4+= 27.d7 Bd7 28.Rc1 Bc6 29.Rc6 bc6 30.Qa6 Kc7 31.Qa7 Kc8 32.Qa8 (32.Qa6 Kd7 33.Qb7 Kd6 34.Qe7 Kd5 35.Qf7 Qe6 36.Qf3 Kc4 37.Qe4 Kb5 38.Qb1 Ka6+=) 32…Kc7 ½–½. Loukovski,Lev – Herzel,Alois, GER–ch Seniors, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.c3 d6 7.ed6 Bd6 8.Bb5 Bd7 9.Qa4 (9.Bc4 0-0+=) 9...0-0 (9...Nf4 10.Nf3 Ng2 11.Kf1-+) 10.Nf3 a6 (better is 10...Nb6 11.Qa5 Nc6 12.Bc6 Bc6-/+ (12...bc6?! 13.d3=)) 11.Na3?? (11.Bd7!? Nd7 12.0-0+=) 11...Nc6 (better is 11...Nb6 12.Bd7 Na4 (12...N8d7?! 13.Qb3+=; 12...Qd7?! 13.Qd7 N8d7 14.d3=; 12...N6d7?! 13.0-0=) 13.Ba4 a5-+) 12.Bc6 (12.Bf1!?-/+) 12...Bc6-+ (12...bc6?! 13.Nc4 Bc7 14.Nfe5-/+) 13.Qc2 (13.Qd1 Nf4 14.d4 Ng2 15.Ke2 Nh4 16.Nh4 Bh1 17.Qh1 Qh4 18.Qb7 Bh2-+) 13...Rc8 (13...Nf4 14.d4 Ng2 15.Ke2-+) 14.Qd1 Qf6 15.Rb1? (15.b5 ab5 16.0-0-+) 15...Nf4 16.0-0 Nh3! 17.Kh1 (17.gh3 Qf5) 17...Bf3 (17...Be4 18.Rb3 Qf4 19.d4 Bf3 20.Bf4 Bd1 21.Bd6 Bb3 22.Bf8 Kf8 23.gh3 Rc3 24.Ra1-+) 18.Qf3 Qf3 19.gf3 Rfd8 (19...Nf4 20.c4-+) 20.c4 (better is 20.Rb3-/+) 20...Bf4?? (20...Bb8 21.c5-+) 21.Rb2?? (better is 21.Kg2 Ng5 22.h4+=) 21...Rd3-+ 22.Rc2 Ng5 23.Rc3 Rcd8 24.Nb1 Nf3 25.Kg2 Nh2 26.Rh1 Nf3 27.b5 ab5 28.cb5 h6 29.Rc4 Bg5 30.Rc7 Nh4 31.Kf1 R3d7 32.Rc4 Nf3 33.Rg4 Rd4 34.Rg3 Ne5 35.Nc3 Nc4 36.Ne2 Rh4 37.Rhg1?? Nd2-+ 38.Ke1 Ne4 39.R3g2 g6 40.Bb2 Bd2 41.Kf1 Bb4 42.Rg6 fg6 43.Rg6 Kf8 44.Re6 Rg4 45.Nd4 Nd2 46.Ke2 Rdd4 47.Bd4 Rd4 48.Rh6 Rd7 49.Rh4 Ba5 50.f4 b6 51.Rh5 Ke7 52.Ke3 Ke6 53.Rh6 Kd5 54.Rh5 Kc4 55.Rg5 Rd5 56.f5 Kb5 57.Kf4 Nc4 58.Rg6 Rd6 59.f6 Bb4 60.Kf5 Rd8 61.Ke6 Bc5 62.f7 Ka4 63.Rg8 Rf8 64.Rg4 b5 65.Rf4 Kb3 66.Kd5 Bb4 67.Kc6 Ka4 68.Rf5 Nd6 69.Rf4 0–1. Valle Abraldes,JM – Alvarez Fernandez,E (2170), Asturias–chT40 Primera B, 1999. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.c3 Be7 7.d4 (7.Qg4 Bf8+=) 7...0-0 (7...d6 8.ed6 Qd6 9.Be3+=) 8.Bd3 (8.b5 d6 9.ed6 Bd6+=) 8...f5 (8...d6 9.Qe2+=) 9.Ne2 (9.ef6!? Nf6 10.Qc2+/-) 9...d6 (9...b6 10.b5+=) 10.0-0 (better is 10.ed6!? Bd6 11.b5+=) 10...de5+= 11.de5 Nc6 12.f4 a5 13.Bc4 Nb6 14.Qb3 Nc4 15.Qc4 Bd7 16.Rd1 (16.Qd3 Qc7 17.ba5 Bc5 18.Be3 Be3 19.Qe3 Na5=) 16...Rc8 (16...Qb6!? 17.Kh1 Rad8=) 17.Qd3= Be8 18.ba5 Bh5 19.Qc2 Qc7 20.Ba3 Nb4 21.Qb2 Nd5 22.Be7= Qe7 23.Rd3?? Be2-+ 24.Qe2?? Nf4 25.Qf3 Nd3 26.Qd3 Qc5 27.Qd4 Qd4 28.cd4 Rc1 29.Kf2 Rfc8 30.Kf3 R8c2 31.g3 Rb2 32.a6 ba6 33.Ra6 Rcb1 34.Re6 Rb6 35.Rb6-+ Rb6 0–1. Subramaniam,Rahul – Yap,Nicholas A (1835), CalChess–ch Monterrey, 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.Nf3 Bb4 7.Ba3 Nc6 8.c3 Ba3 9.Na3 d6 10.Bb5 0-0 11.Nc4 Ne5-+ 12.Nfe5 de5 13.Ne5 Qc7 14.Qh5 Nf6 15.Qe2-/+ Bd7 16.0-0 Bb5 17.Qb5 Rfd8 18.d4 Nd7 19.Rfb1 Ne5 20.de5 b6 21.c4 h6 22.g3 Rd4 23.c5 Qc5 24.Qc5 bc5 25.Rb7 Rd5 26.f4 a5 27.Ra4 Rd4 28.Rd4 cd4 29.Rd7 a4 30.Rd4 a3 31.Rd1 a2 32.Ra1 g5 33.Kg2 g4 34.Kf2 Ra3 35.Ke2 h5 36.Kf2 Kg7 37.Ke2 Kg6 38.Kf2 Kf5 (38...Kf5 39.Ke1 h4-+) 0–1. Pozuelo Yuen,Fernando – Guisado Gomez,F (1795), XXVI Open A, Collado Villalba ESP, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.Nf3 Nc6 7.b5+/- Nce7 8.c4 Nb6 9.d4 Ng6 10.Bd3 Bb4 11.Bd2 Bd2 12.Qd2 (worse is 12.Kd2 d5 13.c5 Nc4 14.Bc4 dc4+=) 12...0-0 13.0-0 f6 14.Nc3 fe5 15.Bg6 hg6 16.c5 Nc4 17.Qd3 d5 18.Ne5 Ne5 19.de5 Qg5 20.Rae1 Qf5 21.Qf5 (better is 21.Qd4!?+/-) 21...gf5= 22.Ne2 Bd7 23.Nd4 Kf7 24.Rb1 Rfc8 25.Rfc1 Rc7 26.Rb4 Rac8 27.Nb3 a6 28.b6 a5 29.Rd4 (worse is 29.bc7 ab4 30.f4 Rc7+=) 29...Rc6 30.f4 (worse is 30.Na5 Rc5 31.Rc5 Rc5-/+) 30...a4 31.Ra4 Rb6 32.cb6 Rc1 (32...Ba4?? 33.Rc8 Bb3 34.Rc7 Ke8 35.Rb7+-) 33.Nc1 Ba4 34.Nd3 Bd7 35.Kf2 Kg6 36.Ke3 Kh5 37.Kd4 Bb5 1–0. Kredl,Karel (2100) – Nemec,Miloslav (1910), Brno Duras op–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    6.Nf3 Qc7 7.Na3 Nc6= 8.Nb5 Qb8 9.d4 a6=+ 10.Na3 Bb4 11.Bd2 Nc3 12.Qc1 Nd4 13.Nd4 Qe5 14.Ne2 Ne2 15.Be2 Bd2 16.Kd2 d5 17.Bf3 0-0 18.Qe1 Qd4 19.Ke2 Bd7 20.Qd2 Qc5 21.h4 b5=+ 22.c3 a5 23.Rh3 Rfc8-/+ 24.Rg3 b4-+ 25.Nb1 Bb5 26.Ke1-/+ Rab8 27.Qg5=+ g6 28.cb4?? Qb4 29.Nd2=+ Qd4 30.Rb1 Bd3 31.Rd1?? Bc2-+ 32.Rc1 Qb2 33.Nf1 Qc3?? 34.Qd2=+ Qe5 35.Qe3 Qf6 36.h5= Bf5 37.Rc8 Rc8 38.Bd1 d4=+ 39.Qf4 e5 40.Qd2 Qb6 41.hg6= fg6 42.Ra3 Rc5 43.Ng3 Be6 44.Ne4 Rb5 45.Rf3 Rb1 46.Nf6 Kg7 47.Nh5 Kg8 48.Nf6 Kh8 49.g4 Bb3 50.Ne8= Qb7 51.Rf8 Bg8 52.f3 Qb3-/+ 53.Nf6? Rd1!-+ 54.Qd1 Qb4 55.Qd2 Qf8 56.g5 Qc5 57.Ng8 Kg8 (57...Kg8 58.Qa2 Kg7-+) 0–1. Flandre,X (1915) – Marchal,J (2095), 5th Open La Fere FRA, 2006.

    6.b5 d6

    7.c4 Nb4 8.ed6 Qd6 9.Ra3 a5 10.Bb2 b6 11.Nf3 Bb7 12.Re3 Nd7 13.Ne5 Be7 14.Nd7 Qd7 15.Bg7 Rg8 16.Be5 Bc5 17.Rg3 Rg3 18.hg3 Be4 19.d3 0-0-0 20.Bf6 Bd3 21.Bd3?? Nd3-+ 22.Ke2 Nc1! 23.Qc1 Qd3 24.Ke1 Qe4 25.Kf1 Qf5 26.f3 Qd3 27.Ke1 Be3 28.Qc3 Qd1# 0–1. Nygren,D (2195) – Bellon Lopez,JM (2435), Rilton Cup Stockholm, 2006.

    7.c4 Nb6 8.Bb2 d5 9.d3 N8d7 10.Nf3 Qc7 11.Nbd2 Be7 12.Rc1 dc4 13.dc4 Nc5 14.Be2 0-0 15.0-0 Rd8 16.Qc2 a5 17.Rcd1 Nbd7 18.Ne4 Ne4 19.Qe4 Nc5 20.Rd8 Bd8 21.Qg4 b6 22.Rd1 Bb7 23.h4 a4 24.Ba3 Be7 25.h5 Ne4 26.h6 g6 27.Be7 Qe7 28.Bd3 Rd8 29.Qf4?? (better is 29.Ne1 Nc3 30.Ra1=) 29...Nc3-+ 30.Rd2 Rd3! 31.Rd3 Ne2 (31...Ne2 32.Kh2 Nf4-+) 0–1. Volozhanin,Boris (1790) – Akst,Ilia (2235), Chelyabinsk op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6 5.e5 Nd5)

    7.c4 Nb6 8.ed6 Bd6 9.d4 (9.Nf3!?=) 9...Bb4=+ 10.Bd2 Qe7?? (better 10...Qd4 11.Bb4 Qe5 12.Ne2 Qa1=+) 11.Bb4 Qb4 12.Qd2 Qd2 13.Kd2 N8d7 14.Nc3 Nf6 15.c5 Nbd5 16.Nd5 ed5 17.Bd3 0-0 18.f3 Bd7 (18...a5!?+-) 19.Ne2+- Ne8 20.Nc3 Nc7 21.Rhb1 White prepares b6 21...Rfb8 22.Ra7! Ra7 23.b6 Raa8 (better 23...Rba8!? 24.ba7 Ra7+-) 24.bc7+- (24.bc7 Rc8 25.Nd5+- (worse 25.Rb7 Bc6 26.Rb6 Rc7+-)) 1–0. Damia,A (2275) – Penas Fuster,J (1920), Pomar Memorial Open (3), 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Nf6 5.e5 Nd5)

    7.c4 Nf4 8.d4 de5 9.Bf4 (9.Nf3 Bb4 10.Bd2 Bd2 11.Qd2 e4=) 9...ef4-/+ 10.Nf3 Bb4 11.Nbd2 0-0 (11...Bc3 12.Ra3 Bb4 13.Ra4=) 12.Qc2=+ White prepares c5 12...Qf6 (12...a5 13.Bd3=) 13.Bd3= g6 (13...Bd2 14.Qd2 (worse 14.Nd2 Qd4 15.0-0 h6-/+) 14...Nd7 15.0-0=+) 14.0-0+= Nd7 (14...Be7 15.c5+=) 15.Ne4+- White intends c5 15...Qg7 (15...Qd8 16.c5+-) 16.c5 b6 (16...a5 17.ba6 ba6 18.Rfb1+-) 17.Ra4 Ba5 (17...a5 18.ba6 bc5 19.dc5+-) 18.Nd6+- Nf6 (18...a6 19.cb6 ab5 20.Ra5 Ra5 21.Nc8+-) 19.Nc4 Nd5 20.Na5 ba5 21.Ra5 Nb4 (21...f6 22.Rfa1+-) 22.Qb3 Nd3 23.Qd3 Rd8 (23...f6 24.Qe4 Qc7 25.Rfa1+- (worse 25.Qa8 Qa5 26.Rb1 Qc7+-)) 24.Qe4 Rd5 25.Rfa1 f5 (25...a6 26.Qf4 g5 27.Qc7+-) 26.Qf4 h6 (26...g5 27.Qg5 Qg5 28.Ng5 Rd4 29.b6+- (29.Ra7?? Ra7 30.Re1 Ra5-+)) 27.b6 a6 28.c6 Kh7 (28...g5 29.Qe3 Kh7+-) 29.Rd5 ed5 30.Qd6 a5 (30...g5 31.Re1 g4 32.Nh4+-) 31.Ne5 (better 31.Re1 Ba6 32.Re7 Rg8+-) 31...a4 (31...Ra6 32.Rb1 Rb6 33.Rb6+-) 32.b7 (32.b7 Bb7 33.cb7+-) 1–0. Shubham,Shukla (1835) – Gudka,Paras, Kathmandu Open, 2018. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Nf6 5.e5 Nd5 6.b5 d6)

    7.c4 Nf4 8.g3 Ng6 9.ed6 Bd6 10.Bg2 e5 11.Ne2 Qc7 (11...0-0 12.0-0=+) 12.Na3 (12.Qb3 Nd7=+) 12...0-0 13.0-0 Be6 (13...Rd8 14.d3=+) 14.d3 (14.d4 Ba3 15.Ba3 Rd8=) 14...Nd7=+ 15.Nc2 Nc5 (15...a6 16.Nc3=) 16.Nc3 (16.f4 e4 17.de4 Bc4=+) 16...Bf5 Attacking the backward pawn on d3 (16...Nb3 17.Ra4=+) 17.Nb4 Rfd8 (17...Qd7 18.Be3=) 18.Ncd5 (18.Bg5 f6 19.Be3 Qd7+=) 18...Qc8 (18...Qd7 19.Bg5 Re8 20.Re1=) 19.Ne3 (19.Re1 Bg4 20.Qc2 Ne6=) 19...Bh3 20.Nbd5 Bg2 21.Kg2 Ne6 (21...f5 22.Ba3=) 22.Bb2 (22.Qh5 a6 23.f4 ef4=) 22...Nc7 (22...Bc5 23.Qh5 f6 24.Ba3=) 23.Qf3 Bc5 24.Nc7 (24.Qe4 Be3 25.Ne3 a6=) 24...Qc7 25.Nd5 Qd6 26.h4 (26.Rfe1 a6=) 26...Ne7 (26...a6!?=+) 27.Be5+= Qd7?? (better 27...Qe5 28.Rae1 Rd5 29.Re5 Re5 30.Qb7 Re8+=) 28.Nf6!+- gf6 29.Qf6 Kf8 30.Rae1 (better 30.Qg7 Ke8 31.Qh8 Ng8 32.Qg8 Bf8 33.Rfe1+-) 30…Qf5 1–0. Jaroch,Karol (2250) – Feuerstack,Aljoscha (2435), European Blitz, 2017. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Nf6 5.e5 Nd5)

    7.c4 Nf4 8.g3+= Ng6 9.ed6 Bd6 10.Bg2 (10.Nc3 a5=) 10...Ne5 11.Qb3 (11.Qe2 Be7 12.Bf1+= (worse is 12.Qe5 Bf6 13.Ra7 Be5 14.Ra8 Qd3=)) 11...Bc5-/+ 12.Nf3 Nf3 (12...Nd3 13.Ke2 Nf2 14.Re1-/+) 13.Bf3 (13.Qf3 Bd4 14.Ra3 Nd7=) 13...Qd4 14.0-0?? (better is 14.Bb2 Qf2 15.Kd1+=) 14...Qa1-+ 15.Nc3 (15.Bb2 Qa5 16.Bg7 Rg8-+) 15...0-0 (15...Qa5 16.Ne4 Be7 17.Qe3-+) 16.Bb2 (16.Na4 Bf2! 17.Kf2 Qd4 18.Ke2 Qe5 19.Qe3 Qc7-+) 16...Qa5 17.Ne4 Nd7 18.d4 Be7 19.c5 Nf6 20.b6 ab6 21.Ra1 Qa1 22.Ba1 Ra1 23.Kg2 Ne4 24.Be4 bc5 25.dc5 Rc1 26.c6 bc6 27.Qe3 Rc5 28.h4 f5 29.Bb1 e5 30.h5 Be6 31.h6 f4 32.Qe4 0–1. Parramon Ros,Francesco (2185) – Camps Tarres,Eduard (2160), Girona–ch Barcelona, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Nf6)

    4.Bc4 Nc6

    5.Bb2 Qc7 6.Nf3=+ Nf6 7.Qe2 Be7 8.0-0 0-0 9.d4 d5-/+ 10.e5 dc4 11.ef6 Bf6 12.Qc4 Qb6 13.ab4 Qb4 14.Nbd2 Rd8 15.Qb4 Nb4 16.Rfc1 b6 17.Ne4 Be7 18.Ne5 Bb7 19.f3 Be4 20.fe4 Bg5 21.Rf1 f6 22.Nf3 Nc2 23.Ng5 fg5 24.Ra4 b5 25.Ra6 Nd4 26.Rfa1 Nb3 27.Re1 Nc5 28.Rc6 Nd3 29.Rb1 Nb2 30.Rb2 Rd1 31.Kf2 a5 32.Rb5 a4 33.Rc7 a3 34.Rbb7 a2 35.Rg7 Kf8 36.Rgf7 Ke8 37.Rg7?? Rf1-+ 38.Kg3 a1Q 39.Rge7 Kf8 (39...Kf8 40.Rf7 Rf7 41.Kh3 Ra3 42.g3 Qf1 43.Kg4 Qf3 44.Kg5 Ra5 45.Rb5 Rb5 46.e5 Re5 47.Kh4 Rh5) 0–1. Martinez,Adrian – Guevara Sanchez,Erick Marvin (2270), Central America–ch, 1997.

    5.ab4 Nf6 6.Qe2 Nb4 (6...Ne4 7.b5 Nb4 8.Qe4+=) 7.d4 d5 8.Bb5 Bd7 9.c3 (9.Bd7!? Qd7 10.c3=) 9...Nc2+= Deflection: b5 10.Qc2 Bb5 ½–½. Sapienza,Julian (2185) – Medina,Sergio Amilcar (2240), San Antonio de Padua CEFA IRT 3rd, 2000. (=1.e4 c5 2.b4 cb4 3.Bc4 e6 4.a3)

    5.Nf3 Na5 6.Ba2 b6 7.0-0 Bb7 8.Re1 Nf6 9.e5 Nd5 10.ab4 Nb4-/+ 11.Ba3 Bf3-+ 12.gf3 Na2 13.Bf8 Rf8 14.Ra2 f6 15.f4 g6 16.Ra3 fe5 17.fe5 Qg5 18.Rg3 Qf5 19.Qe2 Rc8 20.d3 Nc6 21.c3 Ne7 22.Nd2 Nd5 23.Nc4=+ Rc4 24.dc4= Nf4 25.Qd2 Nh3=+ 26.Kg2 Nf2 27.Rf1?? Qe4 28.Kg1 Qh1 0–1. Rezny,F (1665) – Balkova,A (1865), Open Duras BVK FIDE, Brno CZE, 2009.

    4.Nf3 ba3

    5.Ba3 Qa5 6.c3 Ba3 7.Na3 Qc7 (better is 7...Qc5!?=) 8.Nb5+/- Qd8 9.e5 Ne7? (better is 9...Nh6+/-) 10.Nd6+- (10.Na7?! Na6 11.Nb5 0-0+/-; 10.Ra7?! Ra7 11.Na7 d6+=) 10...Kf8 11.Ng5 Qc7 12.Qh5 (worse is 12.Ngf7 Rg8 13.Qh5 Ng6 14.Qh7 Ne5 15.Ne5 Qd6 16.Ng6 Kf7+-) 12...Ng6 13.Ngf7 Rg8 14.Qf3 (better is 14.Qh7!? Ne5 15.Ne5 Qd6 16.Ng6 Kf7+-) 14...Ke7 15.Bd3 Ne5 16.Ne5 Kd6 17.Qf4 Qc5 18.Ra5!! (18.Bh7?! Qe5 19.Qe5 Ke5 20.Bg8 b5+-) 18...Qa5 19.Nc4 Ke7 20.Qd6 Kd8 21.Na5 (21.Na5 Nc6 22.Bh7+-) 1–0. Pereira,Geanfrancesco – Quintino,Angelo Emanuel, BRA–ch U20 Guarapari, 2009. (=1.Nf3 c5 2.e4 e6 3.b4 cb4 4.a3 ba3)

    5.Ba3 Nc6 6.Bf8 Kf8 7.Nc3 Nge7 8.d4 d6 9.Bd3 e5 10.0-0 Bg4 11.de5 de5 12.h3 Bf3 13.Qf3 Nd4 14.Qe3 Rc8 15.Nd5 a6 16.Rfb1 Nd5 17.ed5 Qd5 18.Be4 Qd6 19.Rb7 Rc3 (19...Nc2? 20.Bc2 Rc2 21.Qb3+-) 20.Qg5 (20.Qg5 Rc8 21.Ra6+-) 1–0. Prakash,Om – Molano,Ismael, RE–2010-0-00050, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3 e6)

    5.Ba3 d6 6.d4 Be7 7.Bd3 Nf6 8.0-0 0-0 9.c4 b6 (9...Nc6 10.e5 de5 11.de5+=) 10.Qe2 (better is 10.e5 Ne8 11.Be4+/-) 10...Bb7+= 11.Nc3 a6 12.Rfd1 Re8 13.e5 de5 14.de5 Nfd7 15.Ne4 Ba3 16.Ra3 Ra7 (better is 16...Qe7!? 17.Nd6 Rf8=) 17.Nd6+/- Bf3 18.Qf3 Rf8?? (18...Ne5 19.Bh7! Kh7 20.Qh5 Kg8 21.Ne8 Rd7 22.Rd7 Qd7 23.Ng7 Qd2+=) 19.Bh7+- Kh8 20.Qh5 Nf6 21.ef6 Qf6 (21...Re8 22.Be4 Kg8 23.Qh7 Kf8 24.Qg7) 22.Bg6 (22.Bg6 Kg8 23.Qh7) 1–0. Rocha,Sergio (2285) – Watanabe,Akira, Wch U20 Mamaia, 1991. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.Ba3 Be7 6.Be7 Ne7 7.d4 d6 8.Bd3 Nbc6 9.0-0 e5 10.c3 Ng6 11.Nbd2 0-0 12.g3 (12.Nc4 Nf4=+) 12...Bg4 13.Qb3 b6 14.Kg2 Qd7 15.Rfc1 (15.Kg1 Qe6 16.d5 Qf6 17.dc6 Bf3=) 15...Bf3-+ 16.Nf3 (16.Kf3 ed4 17.Kg2 Qg4-/+) 16...Qg4 (16...Nf4!? 17.gf4 Qg4 18.Kf1 Qf3-+) 17.Qd1-/+ Nf4 18.Kh1 Nd3 19.Qd3 Kh8 20.Nh4 g6 21.f3 Qg5 22.Qb5 Rac8 23.Qd5 (23.f4 Qe7 24.fe5 de5-/+) 23...Qf6 24.Rd1 Na5 25.Rd3 Rc7 26.Rc1 (26.Ng2 Rfc8 27.f4 Nc4-/+) 26...Rfc8-+ 27.f4 (27.de5 de5 28.Kg1 Nc4-+) 27...Nc6 (27...ef4 28.Ng2 fg3 29.hg3-+) 28.fe5 de5 29.Rf3 Qd8 (29...Qe6 30.Rcf1 Rd8 31.Qe6 fe6 32.de5-+) 30.Qd8-/+ Rd8 31.d5 Na5 32.Ng2 (32.g4!?-/+) 32...Nc4-+ 33.Rc2 (33.Re1 Nd6-+) 33...Nd6 (33...f5 34.ef5 Rd5 35.Rc1-+) 34.Re2 Kg7 35.Ne1 Rdc8 36.Ree3 a5 37.Nd3 f6 38.Nb2 (38.Nf2 a4-+) 38...b5 39.g4 a4 40.g5 (40.c4 Nc4 41.Re2 Nd6-+) 40...fg5 41.Nd3 Rc3 42.Ne5 b4 43.Nc6 (43.Re1 b3 44.Rff1 Rf8-+) 43...Rc1 (better 43...Re3 44.Re3 b3 45.e5-+) 44.Kg2 b3 45.Rf2 Nc4 46.Ree2 (46.Ref3 b2 47.Rf7 Kh6 48.Rb2 Nb2 49.Ne5 R1c2 50.Kg1-+) 46...a3 Black plans b2 47.e5 (47.Nd4 b2 48.Rb2 ab2 49.Rb2 Nb2-+) 47...b2 48.e6 b1Q 49.Rf7 (49.Nd4 Rg1 50.Kh3 g4 51.Kh4 g5 52.Kg5 Qg6 53.Kf4 Rf8 54.Nf5 Qf5) 49...Kh6 50.Ne7 (50.Rd2 Rg1 51.Kf3 Qf1 52.Ke4 Rg4 53.Rf4 Rf4) 50…Rg1 (50...Rg1 51.Kh3 g4 52.Kh4 g5) 0-1. Kovacevic,Radmila (2110) - Nestorovic,Katarina (2025), ch-SRB SF Women, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3)

    5.Na3 Ba3 6.Ba3 Ne7 (6...Nf6 7.e5 Nd5 (7...Ne4 8.Bd3 d5 9.Qe2 Nd7 10.Be4 de4 11.Qe4 f5 12.Qe2 Kf7; 7...Ng4 8.h3 Nh6 9.Bd3 Nc6 10.0-0 Nf5 11.Bf5 ef5 12.Bd6 b6) 8.c4 Ne7 9.Bd3 Nbc6 10.Bd6 b6 11.0-0 Bb7 12.h3 Nc8) 7.Bd3 (7.Bd6 Qb6 (7...b6 8.Bc4 0-0 9.0-0 Bb7 10.Bd3 Nbc6 11.c4 f5 12.ef5 Rf6; 7...0-0 8.Bd3 b6 9.e5 h6 10.0-0 Bb7 11.Nh4 Nbc6 12.Qg4 a5; 7...Nbc6 8.Bd3 b6 9.e5 Bb7 10.0-0 Nf5 11.Bf5 ef5 12.Qe2 Ne7) 8.Be5 0-0 9.Bd4 Qc7 10.Ba7 Na6 11.Bd4 d6 12.Bb5 Bd7) 7...0-0 (7...d6 8.Nd4 a6 9.Qh5 Nbc6 10.Nf3 0-0 11.e5 Nf5 12.Bf5 ef5; 7...b6 8.Bd6 Nbc6 9.c4 Bb7 10.0-0 Nc8 11.Bf4 Nb4 12.Bb1 0-0) 8.Bd6 Nbc6 9.0-0 h6 (9...b6 10.c4 Bb7 11.Qb3 f5 12.ef5 Rf5) 10.c4 Re8 (10...b6 11.Qb3 Re8 12.h3 Ng6) 11.c5 (11.Qb3 Ng6 12.c5 Qf6) 11...Ng6 (11...Nb4 12.Bc4 Nec6) 12.e5 (12.Qe2 e5) 12...b6 (12...Nce7+/-) 13.cb6 Qb6 14.Qc2 Bb7? (better is 14...Nce7+=) 15.Rab1+- (15.Bg6?! fg6 16.Rfb1 Nd4 17.Nd4 Qd4+/-) 15...Qd8 (15...Nce5 16.Rb6 Nf3 17.gf3 ab6 18.Bg6 fg6+-) 16.Rb7 Nce7 17.Rfb1 Rc8 18.Bc7 Rc7 19.Qc7 Qa8 (19...Qc7 20.Rc7 a5+-) 20.Rb8 Rb8 21.Rb8 Qb8 22.Qb8 Kh7 23.Qe8 1–0. usingprogram – pauladan1, internet, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 Ba3)

    5.Na3 a6 6.d4 d6 (6...Nf6 7.Nb5=) 7.Bd3 Be7 8.0-0 Nf6 9.Re1 (9.c3 Nc6=) 9...Nbd7 (9...Nc6 10.Re2=) 10.e5+= de5 11.de5 Nd5 12.Bd2 0-0 (12...Nc5 13.Nd4=) 13.Qe2 (13.c4 Nc7=) 13...Nc5 14.Bc4 Nd7 (14...b5 15.Bd5 Qd5 16.Red1+=) 15.Red1 b6 16.Bd5 ed5 17.Nd4 (17.c4 Bb7=) 17...Bb7 (17...Bc5 18.Bf4+=) 18.c3 (18.Nf5 Rc8+=) 18...Nc5 19.f4 (19.Nac2 Qd7+=) 19...Ne4 20.Nac2 (20.Be1 Rc8-/+) 20...Rc8 (20...a5 21.Ne3-/+) 21.Qg4 (21.Qf3 a5-/+) 21...Nd2 22.Rd2 Rc3 23.Nf5 (23.Kh1 b5-/+) 23...g6 (23...Bc5 24.Ncd4 g6 25.Ng3-+) 24.Nfd4 (24.Ne7 Qe7 25.Nd4 b5-/+) 24...Qc7 (24...b5 25.Rb1-+) 25.Qe2 (25.Kh1 f6 26.Qe2 Rc8 27.ef6 Bf6 28.Qe6 Qf7 29.Qb6 R8c6 30.Nc6 Rc6-/+ (worse is 30...Bc6 31.Qb8 Qe8 32.Qe8 Be8 33.Ra6+/-)) 25...Bc5 26.Kh1 Bd4 27.Nd4 Rc1 28.Rd1 Ra1 29.Ra1 Qc5 30.Qd2 Rc8 31.f5 Qc3-+ 32.Qc3 Rc3 33.Re1 b5 34.e6 fe6 35.fe6-/+ Kf8 36.Rf1? Ke8-+ 37.Kg1 b4 38.Rf7 Rd3 39.Nf3? Bc8-+ 40.Rf4 b3 41.Nd4 Rd1 (41...Rd1 42.Kf2 b2-+) 0–1. Lasberg,Ralf – Mueller,Siegfried, Dortmund2, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 a6)

    5.Na3 a6 6.e5 Ba3 7.Ba3 Ne7 8.d4 Nbc6 9.Bd3 b5 10.Bd6 Qb6 11.0-0 Bb7 12.c3 Nd5 13.Ng5 f5 (better is 13...Nc3!? 14.Qh5 Nd8+=) 14.Qh5+/- g6 15.Qh6 0-0-0? (better is 15...Nce7!?+/-) 16.Bc5 Qc7 17.Nf7 (17.Nh7? d6 18.Qg6 dc5 19.Qe6 Kb8 20.Qf5 c4-+ (20...cd4?! 21.Rfe1-+)) 17...Ne5 18.Nd8 (better is 18.de5!? Qc5 19.Nh8 Rh8 20.Rfc1+/-) 18...Ng4= 19.Qh4 Nf4?? (better is 19...g5 20.Nb7 gh4 21.Nd6 Kd8 22.Ra6 Qb8+-) 20.Nf7 Qc6 (20...g5 21.Qg3 (21.Nh8 gh4 22.Rfe1 Nd3-+) 21...Rg8 22.Rfd1+-) 21.f3 (21.Be4 fe4 22.Qg4 e3 23.fe3 h5+-) 21...Ng2 (21...Rg8 22.Nd6 (worse is 22.Qh7 Nf6 23.Nd6 Kb8+-) 22...Kb8 23.Qg3+- (worse is 23.Qh7 Nf6 24.Qe7 Nd3 25.Nb7 Kb7 26.Qf6 Nc5 27.dc5 Qc5 28.Kh1 Rc8+-; worse is 23.Nb7 Kb7 24.Rfd1 g5 25.Qh7 Rc8+-)) 22.Kg2 (22.Nh8?? Nh4 23.Be2 Ne5-+; 22.fg4?? Nh4 23.Be4 fe4-+) 22...Ne3 23.Kg1 Ng4 (23...Nf1 24.Rf1 d6 25.Nd6 Kb8+-) 24.Nh8 (24.Nh8 g5 25.Qg5+-) 1–0. Ng,Willy – Best,Herb (1700), 2011–STP–2 Lechenicher SchachServer, 2011. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 ba3)

    5.Na3 d5 6.ed5 ed5 7.Bb5 Nc6 8.0-0 a6 9.Ba4 Bd6 10.Bb2 Nf6 11.Nd4 0-0 12.Nc6 bc6 13.Bc6 Bh2! 14.Kh1 (14.Kh2 Qc7) 14...Rb8 15.Bd4 Bd6 16.g3 Ne4 (16...Ba3 17.Ra3 Qd6 18.Rc3-+) 17.Kg2? (better is 17.d3 Nf6 18.Bf6 Qf6 19.Bd5-/+) 17...Ba3-+ 18.Ra3 Qd6 19.Ba7 Rb2 (19...Qc6?! 20.Bb8 Qh6 21.Kg1-/+) 20.d3 Qa3 21.de4 de4 22.Bd4 Qf3! 23.Kh2 (23.Qf3 ef3 Double attack (23...Rc2 Deflection)) 23...Qd1 24.Rd1 Rc2 25.Be4 Rc4 26.Bd5 Rc7 27.Ra1 (27.Bb6 Rd7 28.Rd3-+) 27...Rd7 28.Ra5 Rfd8 29.Bb6 Rd5 30.Bd8 Rd8 31.Kg2 Kf8 32.Kf1 Bd7 33.Ke2 Bb5 34.Ke3 Ke7 35.Ke4 g6 36.Ra1 Rd6 37.Ke5 f6 38.Ke4 Kd7 39.g4 f5! 40.gf5 Bd3 (40...Bd3 41.Ke5 Bf5-+) 0–1. Zgarda,Jakub (1845) – Dura,Damian, Poznan op–B Poland, 2008. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.Na3 d5 6.ed5 ed5 7.Bb5 Nc6 8.0-0 Bd6 9.Bb2 f6 10.c4 a6 11.cd5 ab5 12.dc6 b4 13.cb7 Bb7 14.Nc4 Ne7 15.Nd4 (15.Qe2 Bf4=) 15...Ra1 (15...Bh2!? 16.Kh2 Qc7 17.Kg1 Ra1 18.Qa1 Qc4+=) 16.Qh5= g6 17.Qb5 Kf7? (better is 17...Bc6! 18.Nc6 Rf1 19.Kf1 Nc6 20.Qc6 Ke7=) 18.Ra1+- (18.Ba1?! Bd5 19.Qa6 Bb8+=; 18.Nd6?! Qd6 19.Ra1 Qd5=) 18...Bd5 19.Ra6 (19.Nd6?! Qd6 20.Ra6 Qe5=) 19...Be5 20.Ne5 fe5 21.Nf3 Bf3 22.Qe5 Nc6?? (22...Rg8 23.Rd6 Qc8 24.Rf6 Ke8 25.Rf3+- (worse is 25.gf3 Qb7+-)) 23.Qg7 (better is 23.Qf4 Kg8 24.gf3+-) 23...Ke6 24.gf3 Qg5 25.Kh1 Rc8 26.Qb7 (26.Qb7 Qd8 27.Rc6 Rc6 28.Qc6 Qd6 29.Qc8 Kd5 30.Qg8 Kc6 31.Qh7+-; 26.Qh7?! Qf5+=) 1–0. Perez Reclusa,Jesus Miguel – Skripchenko,Almira (2440), Pamplona op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 d5)

    5.Na3 d5 6.ed5 ed5 7.Bb5 Bd7 8.0-0 Nf6 9.Re1 Be7 10.Qe2 Nc6 11.Bb2 Kf8 12.c4 a6 13.Nc2 ab5 14.Ra8 Qa8 15.cb5 Qd8 16.bc6 bc6 17.Ne5 c5 18.Ba3 Be8 19.Nd4 Qc7 20.Nf5 (20.Nf5 Ne4 21.Ne7 Ke7 22.d4+-) 1–0. Velandia,Norberto – Santos,German, COL–ch Bogota, 1975. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 d5)

    5.Na3 d5 6.e5 Bd7 7.c3 Bc6 8.d4 (8.Nb5 a6 9.Nbd4 Qc7 10.Be2 Ne7 11.0-0 Nd7 12.Nb5 Bb5 13.Bb5+=) 8...Nd7 (8...Be7 9.Bd3 Qa5 10.Qd2 Qc7 11.Nb5 Bb5 12.Bb5 Nc6 13.c4=) 9.Bd3 a6 (9...Qc7 10.0-0 Ne7 11.Ng5 g6 12.Qf3 Nf5 13.Bf5=) 10.0-0 b5 (10...Qc7 11.Ng5 g6 12.Nc2 b5 13.Qf3=) 11.Nc2 Nb6 (11...Qc7 12.Ng5 g6 13.Qf3=) 12.Ng5 g6 (12...Be7 13.f4+=) 13.Qf3 (13.Nb4+=) 13...Qd7 14.Qh3 h5 15.f4 Nh6 16.f5 (better is 16.Ba3!?+=) 16...gf5-/+ 17.Qh5 Bg7 18.Qf3 Nc4 19.h3 Bb7 20.Qg3 Bf8 21.Be2 Be7 22.h4 0-0-0 23.Bf4 Rhg8 24.Rfd1 Qc7 25.Qh3 Qb6 26.Ne3 Rg6 (26...Kd7 27.Rdb1-/+) 27.Kf1 Rg7 28.Ra2 Ng8 29.Bd3 f6?? (better is 29...Kd7+=) 30.Ne6!+- fe5 31.Ng7 ef4 32.Nef5 Kb8 33.Re2 Bc8 34.Qf3 Bd6 35.Ne6 Re8 36.Bc4 dc4 37.Rde1 Nf6 38.Nd6 Qd6 39.Nc5 Re2 40.Re2 Nd5 41.Kg1 a5 42.Re5 Ne7 43.Re6 Qd8 44.Qf4 Ka7 45.Qe4 Nd5 46.Re8 Nc3 47.Qh7 (47.Qh7 Qd7 48.Nd7 Ne2 49.Re2 a4 50.Re8 Kb7 51.Nb8 Bd7 52.Qd7 Kb6 53.Re5 b4 54.Rb5) 1–0. Shivananda,B (2395) – Yashas,D (2190), 2nd Chennai Open, Chennai IND, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 d5)

    5.Na3 d6 6.d4 Nc6 7.d5 ed5 8.ed5 (worse 8.Qd5 Nf6 9.Bg5 Qe7 10.Bf6 Qf6-/+ (10...gf6?! 11.Bb5 Bd7 12.0-0=)) 8...Qa5 9.c3 (9.Qd2!? Qd2 10.Bd2+/-) 9...Ne5=+ (worse 9...Qc3 10.Bd2 Qf6 11.Nb5 Qe7 12.Qe2+/-) 10.Bb5 Bd7 11.Bd7 Nd7 12.0-0 Qc3 13.Qe2 Ne7 (better 13...Kd8=) 14.Nb5+/- Qa1 15.Nd6 Kd8 16.Nb7 Ke8 (16...Kc8 17.Nd6 Kb8 18.Nf7+-) 17.Nd6 Kd8 18.Nf7 Ke8 19.Nd6 (19.Nh8?! Qf6+-) 19...Kd8 20.Ng5 Nc5 21.Qb5 Nd5 (21...Qd4 22.Nb7 Nb7 23.Ne6 Kc8 24.Qe8 Nd8 25.Qd8 Kb7 26.Qd7 Kb6 27.Be3 Nc6 28.Qc6 Ka5 29.Nd4 Rb8 30.Bd2 Bb4 31.Ra1) 22.Ngf7 (22.Ngf7 Ke7 23.Qc5+-) 1-0. dereksmalls (2455) – vivasvata, gameknot.com, 2016. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3)

    5.Na3 d6 6.d4 Nf6 7.Bd3 Nc6 8.c3 Be7 9.0-0 0-0 10.Bf4 Re8 11.h3 a6 12.Qb1 e5 13.de5 Nh5 14.Bh2 de5 15.Nc4 Nf4 16.Rd1 b5 17.Nce5 Ne5 (17...Nd3? 18.Nc6 (18.Rd3?! Qb6=; worse is 18.Qd3 Ne5 19.Be5 Qd3 20.Rd3 Bb7+=; 18.Nd3?! Bd6=) 18...Qd7 19.Ne7 (19.Rd3 Qc6 20.Re3 Bc5-/+) 19...Qe7 20.Qd3+- (20.Rd3?! Qe4 21.Qd1 Bb7+-)) 18.Ne5 Nd3 19.Nc6 Qd7 20.Ne7 Qe7 21.Qd3 Bb7 (21...Qe4?? 22.Qe4 Bh3 23.Ra6+-) 22.f3 Red8 23.Bd6 Qe6 24.Qd4 Rd7 25.Qe5 Qe5 26.Be5 Rd1 27.Rd1 Bc6 28.Bc7 Be8 29.Rd8 Rd8 30.Bd8 f6 31.Kf2 Bf7 32.Ke3 Bc4 33.g3 Kf7 34.Kd4 Ke6 35.f4 f5 36.e5 Kd7 37.Ba5 Bf1 38.h4 Kc6 39.Bb4 Bc4 40.Ba5 ½–½. Liardet,Fabrice (2205) – Atlas,Valeri (2430), Geneve op, 1991. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.Na3 d6 6.d4 Nf6 7.Bd3 Be7 8.0-0 0-0 9.Qe2 Nc6 10.e5 Nd5 11.Nb5 de5 12.de5 Ncb4 13.Be4 Bd7 14.Bd2 a6 15.Nd6 f5 16.Bd5 (worse is 16.Nb7 Qc8 17.Bd5 Nd5-/+) 16...Nd5 17.c4 (worse is 17.Nb7 Qc8 18.c4 Qb7 19.cd5 Bb5-/+) 17...Bd6 18.ed6 (worse is 18.cd5 Bb5 19.Qe3 Bf1 (worse is 19...ed5 20.ed6 Bf1 21.Qe6 Kh8 22.Rf1+=) 20.ed6 Qd6 21.Rf1 Qd5-/+) 18...Nf6 19.Bg5 h6 20.Bf6 gf6 21.Ra3 Kh7 22.Rb3 b5 23.cb5 ab5 (worse is 23...Bb5 24.Qe6 Qd7 25.Re1 Qe6 26.Re6+/-) 24.Nd4 e5 25.Nb5 Rb8 26.Rfb1 Rb5 27.Rb5 Bb5 28.Rb5 Qd6 29.Rb7 Kg6 30.h4 h5 31.Qa2 Qd1 32.Kh2 Qd4 ½–½. Aldokhin,Ivan (2170) – Omariev,Maksim (2240), Moscow Petrosian Memorial U18, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 d6)

    5.Na3 Nf6 6.e5 Ne4 7.Bd3 d5 8.ed6 Nd6 9.Bb2 Nd7 10.0-0 Nf6 11.Ne5 Be7 12.c4 0-0 13.Qf3 Nf5 14.Nb5 a6 15.Bc3 Bd7 16.Bf5 ef5 17.Nd4 Ne4 (better is 17...Re8 18.Nd7 Qd7+/-) 18.Nd7+- (18.Nf5?! Bf5 19.Qf5 Nc3 (19...Nd2? 20.Rfd1 Qc8 21.Qc8 Rac8 22.Rd2+-) 20.dc3 Qc7=) 18...Qd7 19.Nf5 Nf6? (19...Nd6 20.Ng7 f6 21.Nh5+-) 20.Ne7 (better is 20.Rfb1 Rae8 21.Rb6+-) 20...Qe7 21.Rfe1 Qd7 22.Bf6 gf6 23.Qf6 Rfe8 24.Qg5 Kf8 25.Qh6 Kg8 26.Qg5 Kf8 27.h4 Qd4 28.Rab1 Qc4 29.Qh6 Kg8 30.Qg5 Kf8 31.Re8 Re8 32.Rb7 Qe4 33.Qh6 Kg8 34.Rb3 Re6 35.Rb8 Re8 36.Qg5 Kf8 37.Qc5 Kg8 38.Qg5 Kf8 39.Qh6 Kg8 40.Re8 Qe8 41.Qa6 Qe1 42.Kh2 Qd2 43.Qc8 Kg7 44.Qg4 Kf8 45.Qf5 Qd6 46.Kh3 h6 47.Qc8 Ke7 48.Qc3 Kf8 49.Qh8 Ke7 50.Qg7 Qf4 51.Qg3 Qf5 52.Kh2 Kf8 53.f3 Qf6 54.Qg4 Qa1 55.Qf4 Kg7 56.g4 Qe1 57.g5 h5 58.Qd4 Kg8 59.Kg2 Qe2 60.Qf2 Qd1 61.Kh2 Qd6 62.f4 (62.Kh3!?+/-) 62...Qd1= 63.Qg2 Qe1 64.Kh3 Qe6 65.Kh2 Qe1 66.Qg3 Qe2 67.Kg1 Qd1 68.Kg2 Qe2 69.Qf2 Qg4 70.Kh2 Qd1 71.f5 Qg4 72.f6 Qe4 73.Kg1 Qg4 74.Kf1 Qd1 75.Qe1 Qf3 76.Kg1 Qg4 77.Kh2 ½–½. Go,Benjamin (2140) – Zwirs,Nico (2345), Dutch Open, 2015. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 ba3)

    5.d4 d5 6.e5 a6 7.Bd3 Bd7 (7...Qa5 8.Bd2 Qa4 9.0-0=) 8.0-0 Bb5 9.Bb5 ab5 10.Ba3 b4 11.Bb2 Ra1 12.Ba1 Nc6 13.c3 Nh6 14.Qa4 (14.Qb3 Nf5=+) 14...Nf5 (14...Qa5 15.Qa5 Na5 16.cb4 Bb4 17.Bc3 Bc3 18.Nc3-/+) 15.Nbd2=+ bc3 16.Bc3 Be7 17.Rb1 Qc8 18.Qb5 0-0 19.Qb7 (19.Rb3=+) 19...Qb7 (better 19...Ne5!? 20.de5 Qc3-/+) 20.Rb7= Rc8 21.g4 Nh4 22.Nh4 Bh4 23.Nf3 Be7 24.Kf1 Kf8 25.Ke2 Ra8 26.Kd3 (26.Rc7 Ra6=) 26...Ke8 27.Rc7 Nd8 (27...Ra6 28.Bd2=) 28.h4 White prepares g5 28...h6 29.g5 (29.Bd2 Ra3 30.Ke2 Ra2=) 29...hg5 30.hg5 Ra6 31.Bd2 g6 32.Nh2 (32.Rc8 Kd7 33.Rc3 Nc6=) 32...Rc6 33.Ra7 Rc4 34.Bc3 (34.Nf3 Nc6 35.Ra2 Kd7=) 34...Nc6 (34...Bg5!? 35.Nf3 Be7-/+) 35.Ra8= Kd7 36.f4 Bb4 37.Bb2 Be7 38.Bc3 Kc7 (38...Bb4 39.Bb2=) 39.Ng4 (39.Nf3 Kb7 40.Ra1 Bb4+=) 39...Kb7 40.Nh2?? (better 40.Rh8 Bb4 41.Bb2=) 40...Ka8-+ 41.Ng4 (41.Nf3 Ra4 42.Ng1 Bb4 43.Bb4 Nb4 44.Kc3 Ra1-+) 41…Kb7 0-1. Gedgafov,Chamal (2150) - Hevia,A (2465), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.d4 d5 6.e5 Bd7 7.c3 Bc6 8.Bd3 Nd7 9.Ng5 Be7 10.Nh7 (10.Nf3!?+=) 10...g6-/+ 11.Nf6 Ngf6 12.ef6 Nf6 13.Na3 Ne4 14.Qb3 a6 15.Nc2 Bd6 16.h3 Qh4 17.Be3 f5 18.g4 Qe7 19.gf5 gf5 20.0-0-0? (better is 20.Nb4-/+) 20...f4-+ 21.f3 Ng3 (21...fe3?! 22.fe4 de4 23.Bc4-+) 22.Bf2 Nh1 23.Rh1 Rg8 24.Rh2 a5 25.h4 a4 26.Qa2 Qd7 27.h5 Bb5 28.Bg6 Kf8 29.Bh4 a3 30.Bf6 Bc4 31.Qa1 Be7 (better is 31...Bd3! 32.Bg5 Bg6 33.hg6-+) 32.Be5 Bd6 33.Bf6 Qb5 (better is 33...Bd3! 34.Bg5 Bg6 35.hg6-+) 34.Kd2 a2 35.Qg1?? (35.Qe1 Qd7 36.Qg1-+) 35...a1Q! 36.Qg5 (36.Na1 Qb2 Double attack; 36.Qa1 Ra1 Combination) 36...Qc3! 37.Kc3 Qa5 38.Kb2 Ba3 39.Na3 Qa3 40.Kc2 Qb3 (40...Qb3 41.Kd2 Ra2 42.Ke1 Qc3 43.Kd1 Ra1 44.Bb1 Rb1) 0–1. Rossi,Carlo (2330) – Efimov,Igor (2490), Marostica op, 1993. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.d4 d6 6.Ba3 Be7 (6...Bd7 7.Nbd2+=) 7.Bd3 (7.e5 a5+=) 7...Nf6 (7...Bd7 8.Nfd2-/+) 8.Nbd2 0-0 9.0-0 (9.c3 a6+=) 9...Nc6 10.Re1 e5 11.d5 Nb8 12.Nb3 (12.h3 Nfd7+=) 12...Nbd7 (12...Bg4 13.Kh1-/+) 13.h3 Qc7 (better is 13...h6-/+) 14.g4? (14.Bb5!?+=) 14...b6 (14...a5 15.Nbd2-/+) 15.g5 (15.Bb5 a5-/+) 15...Nh5 (better is 15...Ne8-+) 16.Ne5? (better is 16.Bc1!?-/+) 16...Ne5 (better is 16...Nf4!? 17.Nc4 Ne5 18.Ne5 Nh3 19.Kf1 de5 20.Be7 Qe7 21.Re3-+) 17.Qh5 g6 18.Qe2 Bg5 (18...Bh3 19.Qe3 Bd7 20.Be2-/+) 19.Kg2 Qe7 (19...Qd7 20.Rh1 f5 21.Bb5-+) 20.Nd4 Bf4 21.Nf3?? Bh3! (21...Bh3 22.Kg1 Bg4-+) 0–1. Osinovsky,Stepan (2240) – Shaposhnikov,Evgeny (2520), St Petersburg op, 2002. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.d4 d6 6.Bd3 Nf6 7.0-0 (worse is 7.Ra3 d5 8.e5 Ba3 9.Ba3 Nfd7-+) 7...Be7 8.Ba3 (worse is 8.Ra3 d5 9.e5 Ba3 10.Ba3 Nfd7-/+) 8...0-0 9.Nbd2 Nbd7 10.c3 Re8 11.Qc2 Qc7 12.Rfe1 e5 13.Qb3 Nf8 14.Reb1 b6 15.h3 Be6 16.c4 Ng6 17.Bb2 Nd7 18.Nf1 Nf4 19.Ne3 ed4 20.Nd4? (better is 20.Bd4!? Bf6 21.Bf6-/+) 20...Nc5-+ (20...Nd3?! 21.Qd3 Nc5 22.Qd1+=) 21.Qc3 Bf6 (21...Nfd3 22.Nb5 Bf6 23.Qf6 (23.Nc7?! Bc3 24.Bc3 Ne4+=) 23...gf6 24.Nc7+/-; 21...Ncd3?! 22.Ne6 Ne2 23.Kf1 Nc3 24.Nc7 Nb1 25.Rb1+=) 22.Bf1 Ne4 23.Qc2 Bd7 24.g3 Ng3?? (better is 24...Nh3 25.Bh3 Bh3-+) 25.fg3-/+ Re3 26.gf4 Qc5 27.Rd1 Bh3 28.Bh3+/- Rh3 29.Qg2 Qc8 30.Nc6 Kh8 31.Rd6 Bb2 32.Rd8 Qd8 33.Nd8 Bd4 34.Kf1 Rd8 35.Rd1 Ra3 36.Rd4 Ra1 37.Ke2 Ra2 38.Ke3 Ra3 39.Ke4 Re8 40.Kf5 h5 41.Kg5+- g6?? 42.Qb2 Rae3 43.Rd7 Kg8 44.Kh6 (44.Kh6 f6 45.Qf6 R3e7 46.Re7 Re7 47.Qe7 h4 48.Qe8#; 44.Qf6 R3e7 45.Kh6 Rd7 46.Qg7) 1–0. Dorsch,Thomas – Strugatsky,Vladimir, Palo Alto, 1991. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 ba3)

    5.d4 Nf6 6.e5 Nd5 7.c3 Nc6 8.Bd3 Be7 9.Na3 (9.0-0!?=+) 9...Nc3-/+ 10.Qc2 h6 11.Nc4 Nb5 12.Be3 Nb4 13.Qd2 Nd3 14.Qd3 Bb4 (14...d5 15.Ncd2 a6 16.0-0-+) 15.Kf1 (15.Bd2 Bd2 16.Qd2 d5-/+) 15...Nc7 (15...d5 16.ed6 Nd6 17.d5-+) 16.h4 Nd5 17.Rh3 b5 18.Nd6 Bd6 19.ed6 b4 20.Rg3 a5 (worse 20...Ne3 21.Qe3 g6 22.Ne5-+) 21.Kg1 Qf6 22.Ne5 a4?? (better 22...Rf8-+) 23.Rf3+= Qh4 24.Nf7 Ne3?? (24...0-0 25.Nh6 Qh6 26.Bh6 Rf3 27.gf3 Nf4 28.Bf4 Bb7+-) 25.Nh8+- Nf5 26.Rf5 ef5 (26...Qg4 27.Rb5 g6+-) 27.Re1 (27.Qc4 Qf6 28.Qg8 Qf8 29.Re1 Kd8 30.Qf8) 27...Kf8 28.Ng6 Kf7 29.Nh4 (29.Nh4 Bb7 30.Re7 Kg8 31.Qg3 g5 32.Qe5 gh4 33.Qg7; 29.Qf5 Qf6 30.Re7 Kg8 31.Re8 Qf8 32.Rf8 Kh7 33.Rh8) 1-0. Christiansen,Johan_Sebastian (2610) - Suvrajit,S (2195), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    5.Be2 Nc6 6.0-0 d5 7.ed5 ed5 8.Re1 Be6 9.Bb5 Be7 10.Nd4 Bd7 11.Bc6 bc6 (worse is 11...Bc6 12.Ba3 (12.Na3?! Kf8=; 12.Nc6?! bc6 13.Ba3 a5=) 12...Qd7 A) 13.Nc6?! bc6 (worse is 13...Qc6 14.Qg4 Kf8 15.Be7 Ne7 16.Qb4+-) 14.Qf3 f5=; B) 13.Qf3+/-) 12.Qf3 Qb6 13.Qd3 Nf6 14.Ba3 Ng8 15.c4 dc4 16.Qe4 0-0-0 17.Nf5 Bc5 18.Bc5 Qc5 19.Qc4 (better is 19.Ng7!? Nf6 20.Qh4+=) 19...Qc4-/+ (19...Qf5 20.Qa6 Kc7 21.Qa7 Kd6 22.Qd4 Qd5 23.Qf4 Kc5 24.Qe3 Kd6 25.Qg3 Kc5 26.Qa3 Kb6 27.Qa7 Kb5 28.Qa5 Kc4 29.Na3 Kd3 30.Qc3) 20.Nd6 Kb8 21.Nc4 Nh6 22.Nc3 Bf5 23.Ne5 Rd6 (worse is 23...Rd2 24.Nc6 Kc7 25.Nd4=) 24.g4 f6 25.Nc4 Rd4 26.gf5 Rc4 27.Reb1 Ka8 28.Na4 Rg4 29.Kf1 Re8 30.Nc5 Rb8 31.Na6 Rb6 32.Re1 c5 33.Re8 Kb7 34.Nc5 Kc6 35.Ne6 Nf5 36.Ra7 h5 37.h3 Rh4 38.Kg2 g5 39.Rf8 g4 40.Rf6 gh3 41.Kh2 Nd6 42.d3 Nc8 43.Rh7 Kb5 44.Rf4 Rf4 45.Nf4 Kc6 46.Kh3 Rb4 47.Kg3 (47.Nh5?! Rd4+/-) 47...Rb5 48.Rh5 1–0. Zedtler,Uwe (1725) – Wilhelmi,Marko, DESC, 1999. (=1.Nf3 c5 2.e4 e6 3.b4 cb4 4.a3 ba3)

    5.Ba3 Ba3

    6.Ra3 d6 7.d4 (7.Nc3 Nf6=) 7...Nf6=+ 8.Bd3 Nc6 9.c3 0-0 10.0-0 Qc7 11.Nbd2 Bd7 12.Qc2 Rac8 13.Rb1 h6 (13...e5 14.Nc4 b6 15.h3=+) 14.Qa2 (14.Nc4 d5 15.ed5 Nd5=) 14...d5 (14...Rb8 15.h3=+) 15.e5 Nh7 (15...Nh5 16.g3=) 16.c4 (16.h4 Rfd8+=) 16...dc4 (16...a5 17.Rb2 dc4 18.Bh7 Kh7 19.Qb1 Kg8 20.Rb7 Qd8-/+) 17.Nc4+- Rb8 (better 17...a5!? 18.Qd2 Nb4+=) 18.Nd6 Rfd8 (18...a6 19.Rab3 b5 20.Qa6+-) 19.Bh7 (19.Qc2!? Nf8 20.Ra7 Bc8+-) 19...Kh7 20.Nf7 Rf8?? (better 20...Nb4 21.Qb2 Rf8+-) 21.Qc2 g6 22.Nh4 Rg8 23.Rh3 Be8 24.Ng5 (24.Qc1 g5 25.Qc2 Kg7 26.Qg6 Kf8 27.Qh6 (27.Qe6?! Bf7 28.Qh6 Ke8+-) 27...Ke7 28.Qf6 Kd7 29.Nf5+-) 24...Kh8 25.Ne6 (25.Qc1 Rg7 (25...hg5 26.Ng6 Kg7 27.Qg5 Ne5 28.de5 Qd8 29.Qh6 Kf7 30.Rf3 Qf6 31.Rf6) 26.Nhf3 Nd8 27.Rh6 Kg8+-) 25...Qf7 (25...Qd7 26.Nf3 h5 27.Qd2+-) 26.Qd2 (better 26.d5 h5 27.Rf3 Qe7+-) 26...h5 (26...g5 27.d5 Ne5+-) 27.Nf4 (better 27.Rf3 Qe7 28.Rf6+-) 27...Qh7 28.Nd5 (28.Rc1 g5 29.d5 Ne7+-) 28...g5 29.Nf6 (29.Nf6 Qb1 30.Qc1 Qc1) 1–0. Matthes,Benjamin (1875) – Plaza Reino,Agustin (1960), Lichtenberger Sommer, 2017. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3)

    6.Ra3 Ne7 7.d4 d5=+ 8.e5 (8.Nc3 0-0=+) 8...Nbc6 9.Nc3 (9.Bd3 Nb4=+) 9...a6 (9...0-0 10.Bd3=+) 10.Nb5 (10.Bd3 Rb8=+) 10...0-0 11.Bd3 h6 (11...f6 12.Qa1=+) 12.Nd6 Nb4 (12...f6 13.Qe2=) 13.h4 (13.0-0 Nd3 14.Qd3 Nf5 15.Nf5 ef5=+) 13...Nd3=+ 14.Qd3 (14.cd3 Nf5 15.Nf5 ef5 16.Qb3-/+) 14...Qb6 (14...Nf5 15.Nf5 ef5 16.0-0-/+) 15.Rh3 (15.Rb3!? Qc6 16.Ng5=) 15...Bd7 (15...Nf5 16.Rb3 Qc7-/+) 16.Rg3? (16.Rb3 Bb5=+) 16...Qb4 (better 16...Nf5!? 17.Nf5 ef5-/+) 17.Kd1=+ Qb1 (17...b5 18.Qe3 Qb1 19.Kd2=+) 18.Kd2 Qb4 (18...b5 19.Rb3 Qa1 20.Qe3-/+) 19.Kc1 (19.Kd1 Ba4 20.Ne1 Nc8 21.Nb7 Qb1 22.Kd2 Qb7 23.Ra4 a5-/+) 19...Bb5 (19...Ba4 20.Ra2 b5 21.Qe3=+) 20.Qe3= Bc4 (20...Kh8!? 21.Rb3 Qa5=+) 21.Ra1+= Kh7 (21...Kh8!? 22.Rb1 Qa4 23.Rb7 Rac8+=) 22.Rb1+- Qa5 23.Kd1 (better 23.Rb7 Qa1 24.Kd2+-) 23...b5 24.Qf4 (better 24.Ng5 Kg8 25.Ne6 fe6 26.Qh6=) 24...f5?? (better 24...Qc7=) 25.Ng5!+- Kh8 (25...hg5 26.Qg5 Double attack) 26.Ne6 Qa2 27.Rc1 Rg8 28.Nf7 Kh7 29.Rg7! (29.Rg7 Rg7 30.Qh6 Kg8 31.Qg7) 1–0. Nygren,Kim (2180) – Petersson,Baldur Teodor (2085), Nordic Zonal, 2017. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3)

    6.Na3 Nc6 7.Be2 Nge7 8.d4 d5 9.e5 0-0 10.c3 f6 11.Bd3 Nf5 12.h4 Bd7 13.Nc2 Qc7 14.Qe2 Na5 15.g4? (15.Ra3!?+=) 15...Nh6 (better is 15...Nb3!? 16.Ra3 Qc3 17.Kf1 fe5 18.de5 Ne7-+) 16.ef6-/+ gf6 (16...Rf6?! 17.g5 Nb3 18.Ra3 Qc3 19.Nd2 Qd2 20.Qd2 Nd2 21.gf6+=; 16...Qc3?! 17.Qd2 Qd2 18.Nd2-/+) 17.Qe3? (17.Ra3 Nc4 18.Bc4 Qc4 19.Qc4 dc4+=) 17...Nf7 (17...Ng4 18.Rg1 e5-/+ (18...Qc3 19.Kd1 Kh8 20.Rg4+=)) 18.g5 f5 19.h5 Qc3 20.Kf1 (better is 20.Kd1!? Nc4 21.Bc4 Qe3 22.Ne3 dc4 23.Nc4+=) 20...Nc4-+ 21.Qe2 Nfd6 22.g6 h6 23.Kg2 Nb2 24.Ne5 Nd3 25.Nd3 f4 26.f3 Rae8 (26...Nf5!? 27.Rhc1 Ng3-+) 27.Ra3-/+ Qc4 28.Ra7 Bb5 29.Rd1 (better is 29.Ra3!?-/+) 29...Ba6 30.Qd2 Nf5 (30...Rc8!? 31.Nc5 Nb5 32.Ra6 ba6 33.Re1-+) 31.Nf4 (better is 31.Ndb4!?-/+) 31…Qc2!!-+ (31...Qc2 32.Qc2 Ne3 33.Kf2 Nc2-+) 0–1. Farkas,Ga1 (2275) – Kubacsny,L (2330), TCh–HUN, 2008. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3)

    6.Na3 d5 7.ed5 ed5 (worse is 7...Qd5 8.Nb5 Qd8 9.Na7+=) 8.Bb5 Nc6 9.0-0 Bg4 10.Qe1 Nge7 11.Ne5 Be6 12.c3 0-0 13.Nc2 a6 14.Ba4 (14.Bc6 Nc6 15.Qe3 Qc7-/+) 14...b5 15.Bb3 Ne5 16.Qe5 Nc6 17.Qf4 Qb8 18.Qe3 Qd6 19.Nd4 Nd4 20.Qd4 Rfc8 21.Rfc1 Rc6 22.Qb4 (22.Re1 a5-/+) 22...Qe5 (22...d4 23.Be6 fe6 24.Qb2-+) 23.Qe7 (23.Re1 Qb8+=) 23...Rac8 24.Re1 Qh5 25.Qb7 Qg6 (better is 25...Qg5 26.Re3 Qd8-/+) 26.Ra6+/- Rc5 27.Ra8 ½–½. Aufmwasser,Guenter – Kraft,Hans (2075), Bad Woerishofen Seniors op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3 e6 5.Ba3 Ba3)

    6.Na3 d6 7.d4 Ne7 8.Bd3 b6 9.Qe2 Bb7 10.0-0 0-0 11.e5 Ng6 12.Nb5 de5 13.de5 Nd7 14.Rfe1? (better 14.Bg6 fg6 15.Nfd4=) 14...Bf3-+ 15.gf3? (15.Qf3 Nde5 16.Qg3 Nd3 17.cd3 e5-+) 15...Nde5 (15...Nf4!? 16.Qf1 Qg5 17.Kh1 Nd3 18.Qd3 Ne5 19.Qe3 Qe3 20.Re3-+ (20.fe3?? Nf3 21.Rf1 Nd2-+)) 16.Be4 Rc8 17.Ra7 Rc5 18.f4?? (better 18.Kh1-+) 18...Nf4 19.Qe3 Qg5 (19...Rb5?! 20.Qf4 Ng6 21.Bg6 fg6 22.Qe4-+) 20.Qg3 Rb5 21.Ra4 (21.Qg5 Nh3 22.Kg2 Ng5-+) 21...Qg3 (21...Neg6 22.Kh1-+) 22.hg3 Nfg6 23.Kg2 (23.f4 Ng4-+) 23...f5 24.Bb7 Rb8 25.Ra8 Ra8 26.Ba8 Rc5 27.f4 Rc2 28.Kh3 (28.Kg1 Nc4 29.Re6-+) 28...Ng4 29.Bg2 Rc3 (better 29...e5 30.fe5 N6e5-+) 30.Re6 (30.Rf1-+) 30...Nf4 31.Kh4 Ne6 32.Bd5 Kf7 33.Be6 (33.Be4 g5 34.Kh5 Kg7 35.Bf5 Nf6) 33...Ke6 34.Kg5 b5 35.Kf4 (35.Kh5 Kf6 36.Kh4 Rc2 37.Kh5 Rh2) 35...b4 36.Kg5 b3 37.Kh4 (37.Kf4 Rc4 38.Kf3 Rc2 39.Kf4 h6 40.Kf3 Rf2) 37...b2 38.Kh5 (38.Kg5 b1Q 39.Kh5 Qh1 40.Kg5 Qh6) 38...b1Q 39.Kg5 Qc1 40.Kh5 Qh1 (40...Qh6) 41.Kg5 Qh6 0-1. Algildah,N (1870) - Nassr,Rania (1745), Djerba Women Online, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3)

    6.Na3 d6 7.d4 Nf6 8.Bd3 Nc6 9.0-0 e5 10.d5 Ne7 11.Nb5 (11.Qb1 0-0+=) 11...a6-/+ 12.Qd2 (12.Qc1 0-0 13.Qa3 Ne8-/+) 12...Bg4 13.Qa5 (13.Nc3-/+) 13...Qa5 (better is 13...0-0!? 14.Nc3 Qa5 15.Ra5 Rfc8-+) 14.Nd6+= (14.Ra5? Kd7 15.Nc3 Bf3 16.gf3 Rhc8-+) 14...Kd7 15.Ne5 (15.Ra5? Kd6 16.Nd2 Kc7-+) 15...Kd6 16.Nf7 (16.Ra5?? Ke5 17.h3 Bd7 (worse is 17...Ne4 18.Re1 Bf5 19.f3-+) 18.d6 Kd6 19.e5 Ke6 20.ef6 Kf6-+) 16...Kc5 (16...Kc7!? 17.Ra5 Rhf8+=) 17.Ra5= Kb6 18.Ra3 Rhf8 19.Rb1 Ka7 20.Nd6 Rab8 21.c4 Nd7 ½–½. Knudsen,JesW (1995) – Pedersen,HB (2185), 29th Politiken Cup, Copenhagen DEN, 2007. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3)

    6.Na3 Ne7 7.Be2 Nbc6 8.0-0 0-0 9.d4 d6 10.c3 e5 11.Nc4 ed4 12.cd4 d5 13.ed5 Nd5 14.Nce5 Ne5 15.Ne5 (better is 15.de5!? Nf4 16.Qc2-/+) 15...Nc3-+ 16.Qd2 (better is 16.Qc2 Qd4 17.Nf3 Ne2 18.Qe2-+) 16...Qd4!! (16...Ne2?! 17.Qe2 Qd4 18.Rfd1-/+) 17.Qd4 (17.Nd3 Bf5 18.Rfd1-+) 17…Ne2 (17...Ne2 18.Kh1 Nd4-+) 0–1. Hradsky,J (1900) – Frisk,E (2100), Open, Olomouc CZE, 2008. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3)

    5.Na3 Nc6

    6.Bb2 d6 7.Bc4 Nf6 8.e5 de5 9.Ne5 Bd6 10.Nf3 0-0 11.0-0 Bd7 12.Nb5 Be7 13.Ne5 Ne5 14.Be5 Bb5 15.Bb5 Qd5 16.Qe2 Qe4 17.d4 Rfc8 18.Qe4 Ne4 19.Bd3 Nc3 20.Bf4 Nd5 21.Be5 Bf6 22.f4 Rc3 23.Rf3 Be5 24.fe5 g6 25.g4 a5 26.h4 Nb4 27.Raf1 Nd3 28.cd3 Rc7 29.g5 a4 30.h5 a3 31.h6 a2 32.Ra1 Rc2 33.d5 ed5 34.e6 fe6 35.d4 Rac8 36.Ra3 Rc1 37.Kf2 Ra1 38.Re3 Rac1 (38...Rac1 39.Re2 a1Q 40.Kg2 Rg1 41.Kh2 Rc3 42.Re3 Qf1 43.Rc3 Qg2) 0–1. Milan,Paolo (1925) – Cartella,Giovanni (1905), Corsico op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 Nc6)

    6.Bb2 Nf6 7.e5 Nd5 8.Bd3 d6 9.ed6 Bd6 10.Nb5 Be7 11.Bg7 Rg8 12.Be5 Ne5 (12...Rg2?! 13.Bg3=) 13.Ne5 Bf6 (better 13...Rg5!? 14.Nf3 Rg2 15.Bh7 Qb6-/+) 14.Qh5= Be5 15.Qe5 Bd7 (better 15...Rg2 16.Qh8 Ke7 17.Qd8 Kd8 18.Na7 Ke8=) 16.Nc7?? (better 16.Bh7 Rg2 17.Be4+-) 16...Qc7-+ 17.Qc7 Nc7 18.Bh7 Rg2 (18...Rg4!? 19.h3 Rh4 20.Bd3-+) 19.Be4 Rg7 (better 19...Rg4!? 20.Bb7 Rb8-+) 20.Bb7-/+ Rb8 21.Be4 (21.Ra7!? e5 22.d3-/+) 21...a6 22.h4 f5 23.Bd3 (23.Bf3 e5-+) 23...Bb5 (23...Bc6 24.Rh2-+) 24.h5? (better 24.Bb5 Nb5 25.Ke2-+) 24...Bd3 25.cd3 Rh7 26.h6 (26.Rh4 Ke7-+) 26...Ke7 (26...Kd7 27.Rh4 Rbh8 28.Rd4 Kc8 29.Rc4-+) 27.Rg1 (27.Rc1 Kd6-+) 27...Rh6 28.Rg7 Kd6 (28...Kf6 29.Rg1-+) 29.Ra5 Rb5 30.Ra4 Re5 31.Kd1 Rh1 32.Kc2 Rc5 33.Kb2 (33.Rc4 Nd5 34.Rc5 Kc5-+) 33...Rh2 34.Rd4 (34.Rf4 Rb5 35.Kc2 Nd5-+) 34...Rd5 (34...Nd5!? 35.Ra4 Rc6 36.Ra7 Rb6 37.Kc2 Rf2 38.R7a6 Nb4 39.Rb4 Ra6 40.Kc3-+) 35.Rc4 Nb5 36.Rf4 (36.Ra4 Rf2 37.Ra6 Ke5-+) 36...Rd3 37.Kc2 Rd4 (37...Rd5 38.Ra4 Rf2 39.Ra6 Kc5 40.Kc1 Rdd2 41.Ra5-+) 38.Rf3 (38.Rd4 Nd4 39.Kd3 Nc6-+) 38...Ke5 (38...Rd5 39.Rd3-+) 39.Re3 (39.Rg1 Rb4 40.Re3 Kd5-+) 39...Re4 40.f4 (40.Re7 Rf2 41.Re4 fe4-+) 40...Kf4 41.Re4 Ke4 42.Ra7 (42.Rg8 e5-+) 42...f4 (42...Na7 43.Kc3 f4 44.Kb4 f3 45.d3 Kd5 46.Kb3 f2 47.Kb2 f1Q 48.Ka3 Qb1 49.d4 Ra2) 43.Ra6 e5 44.Ra4 (44.Ra5 Nd4 45.Kc3 f3-+) 44...Nd4 45.Kc3 f3 46.d3 Ke3 47.Ra1 f2 (better 47...Rc2 48.Kb4 Kd3-+) 48.Ra8 (48.Rf1-+) 48...f1Q 49.Re8 (49.Kb4 Qb1 50.Kc5 Qb5 51.Kd6 Qc6 52.Ke7 Rh7 53.Kd8 Qa8) 49...Qc1 50.Kb4 Rb2 51.Ka3 (51.Ka4 Qa1) 51…Qa1 0-1. Mukhina,Jana (2065) - Djidjeli,Sarah (2070), Djerba Women Online, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3)

    6.Bb5 Nf6 7.e5 Nd5 8.0-0 Be7 9.c4 Nb6 10.d4 a6 11.Ba4 Ba3 12.Ra3 Nc4 13.Ng5?? (13.Ra2 d5-/+) 13...f6 (better is 13...Na3 14.Qh5 g6-+) 14.Bc2 Qe7?? (better is 14...d5!? 15.ef6 A) 15...Na3?? 16.fg7 Kd7 17.Nf7+- (17.gh8B?! Nc2 18.Be5 N2b4+=; 17.gh8R Qh8 18.Ba3 Qf6+-; 17.gh8Q Qh8 18.Ba3 Qf6+-; 17.gh8N?! Nc2 18.Ngf7 Qh4 19.Qc2 Nd4+-); B) 15...Qf6?! 16.Nh7 Rh7 17.Rf3 Qd4 18.Bg6 Kd7 19.Rf7 Kd6 20.Bh7-/+; C) 15...gf6 16.Qh5 Ke7 17.Qf7 Kd6 18.Bf4 e5 19.de5 Kc5 (19...fe5?! 20.Ne4 de4 21.Qc4=) 20.Ne4 de4+=) 15.ef6 Qf6 16.Rh3 Nd4 (16...Qd4 17.Qh5 g6 18.Bg6 hg6 19.Qh8 Qh8 20.Rh8 Ke7 21.Rh7 Kd6 22.Rg7+=) 17.Qh5 (better is 17.Nh7!? Rh7 18.Bh7+=) 17...g6-/+ 18.Bg6 Qg6 19.Qg6 hg6 20.Rh8 Ke7 21.Re1 b5 22.Re4 e5 23.Rh7 Kd6 24.f4 Kd5 25.Rg7 Ne6 (better is 25...d6!? 26.fe5 Bf5 27.Rd4 Kd4 28.ed6 Nd6 29.Nf3 Kd5-+) 26.Rg6-/+ Ng5 27.Re5 Ne5 28.Rg5 d6 29.fe5 de5 30.Bf4 a5 31.h4 b4 32.Be5 a4 33.h5 Be6?? (better is 33...Ke4-/+) 34.h6+/- Bg8? (better is 34...b3+/-) 35.Bb8+- (35.Bb8 Kc4 36.Rg8+-) 1–0. Giuricza,Gyorgy Laszlo – Hass,Johnny, IV–CBI–SF corr, 1985. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Na3 Nc6)

    6.c3 d5 7.e5 a6 8.d4 Nge7 9.Bd3 b5 (better is 9...Nf5!?+=) 10.Nb5+= Ng6 (10...ab5 11.Ra8) 11.0-0 Bb7 12.Na3 Be7 13.g3 0-0 14.h4 h6 15.h5 Nh8 16.Bc2 Na5? (better is 16...f5=) 17.Qd3+- g6 18.Bh6 Re8 19.Kg2 Ba3 20.Ra3 Nc4 21.Raa1 Qc7 22.Nh2 Nb2? (better is 22...Rec8+-) 23.Qf3 Nc4 (23...f5 24.ef6 g5 25.Bg5 Kf7+-) 24.Qf6 (24.Qf6 Ne3 25.fe3 Qe5 26.de5 d4 27.Kg1 dc3 28.Qg7) 1–0. Glanze,Rudolf – Simik,Frantisek, RF–2011–0-00087, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 Nc6)

    6.c3 d5 7.e5 Bd7 8.d4 a6 9.Bd3 b5 10.0-0 Nge7 11.Bb5 Ne5 (11...ab5? 12.Nb5 Nc8 13.Ra8+-) 12.Ne5 ab5 13.Qb3 Rb8 14.Bf4 Rb7 15.Rfb1 Nc8 16.c4 Ba3 (worse is 16...dc4 17.Qf3 Ra7 18.Nf7+/-) 17.Qa3 dc4 (17...f6 18.Nd7 Qd7 19.cb5=) 18.Nc4 (18.Qf3 Ra7 19.Ra7 Na7+-) 18...b4 (18...Bc6 19.Na5 A) 19...Qd4? 20.Qc1 (20.Nb7?! Qf4 21.Na5 Bd7+=) 20...0-0 21.Nc6+-; B) 19...Rb6+=) 19.Rb4+/- Rb4 20.Qb4 f6?? (better is 20...Bc6+/-) 21.Ra8+- Kf7 22.Nd6 Kg6 23.h4 (better is 23.Qb3!? h6 24.Qg3 Kh7 25.Qd3 g6+-) 23...h5 24.Qb7 Nd6 25.Qb1 (25.Rd8 Nb7 26.Rh8 Bc6+-) 25...Nf5+/- 26.Rd8 Rd8 27.f3 Kf7 28.Qb7 Ne7 29.Qc7 Ke8 30.Qa5 Nd5 31.Bd6 Rc8 32.Qd2 Rc6 33.Bc5 Kf7 34.Qa2 Rc8 35.Kh2 Bc6 36.Qa7 Kg6 37.Qa6 (37.Qa6 Bd7 38.Qd3 Kh6 39.g4+/-) 1–0. Bonafede,A (2350) – Crapulli,Giuseppe, Porto Mannu ITA, 5th Open, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 ba3)

    6.c3 d5 7.e5 f6 8.d4 fe5 9.de5 (9.Ne5 Nf6 10.Bb5 Bd7 11.Bc6 Bc6 12.Qe2) 9...Nh6 (9...Bc5 10.Nb5 Nge7 11.Be3 Be3 12.fe3) 10.Bd3 Nf7 (10...Bc5 11.Bh6 gh6 12.Nb5) 11.Qe2 (11.0-0 Bc5 12.Nb5) 11...Bd7 (11...Be7 12.0-0) 12.0-0 g6 13.Rd1 (13.c4 Bg7 14.Bb2 Nb4=) 13...Qb6 (better is 13...Bg7-/+) 14.c4= d4 15.Nb5 Bc5 16.Bb2 0-0 17.Re1 (17.Rab1 Rad8+=) 17...Bb4 (better is 17...a6!? 18.Na3 Nb4-/+) 18.Red1 Nfe5?? (18...Bc5 19.Rab1+=) 19.Nbd4 (better is 19.Ne5 Ne5 20.Bd4 Nf3 21.Qf3+-) 19...Nd3 20.Qd3 Be7 21.Re1 Bf6 22.Rab1= Nd4 23.Bd4 Qd6 24.Qe3 Bc6?? 25.Bc5+- Qc7 26.Bf8 Rf8 27.Qe6 Kg7 28.Rbd1 Rf7 29.Nd4 Bd7 30.Qd5 Qb6 31.c5 Qb2 32.Re2 Qc3 33.Ne6 Be6 34.Re6 Rc7 35.h3 a5 36.Qd6+- Rf7 37.Rd3 Qb2 38.Qd5 a4 39.Rb6 Qc1 40.Rd1 Qg5 41.Qg5 Bg5 42.Ra1 Bh4 43.g3 Bd8 44.Rb4 (44.Ra4?! Bb6 45.cb6 Rf6+/-) 1–0. Ter Akopyan,B (2015) – Peredy,F (2275), 6th LGA Premium Cup, Nuernberg GER, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    6.c3 Be7 7.e5 (7.Nb5 d5 8.e5 Nh6 9.Bd3 0-0 10.0-0 f6 11.ef6 Rf6 12.Qb3; 7.Nc4 Nf6 8.e5 Nd5 9.Nd6 Bd6 10.ed6 0-0 11.Bb5 b6 12.c4) 7...Nh6 8.Nb5 0-0 9.d4 Nf5 10.Bd3 d5 11.ed6 Nd6 12.Nd6.

    6.c3 Nf6 7.e5 Nd5 8.Nb5 Be7 9.Ba3 0-0 10.Be7 Qe7 11.h4 f6 12.ef6 Nf6 13.Bd3 e5 14.Ng5 d5 15.Qb3 Kh8 16.0-0-0? (better is 16.Qa3!? Qa3 17.Ra3-/+) 16...a6 17.Na3 (17.Qa3 Qa3 18.Na3 h6-+) 17...b5 18.Rde1 b4 19.Nc2 bc3 20.dc3 Bd7 21.Ne3 Na5 22.Qa2 Qc5 23.Nd1 e4 24.Bc2 Nc4 25.f3 e3 26.Bd3 Rfe8 27.g4 (27.Bc4 dc4 (27...Qc4?! 28.Qc4 dc4 29.Ne3=) 28.Nb2 Bb5-+) 27...Rab8 (better is 27...Bb5!? 28.Bf5-+) 28.Bc4 dc4 (28...Qc4?! 29.Qc4 dc4 30.Ne3=) 29.Rh2 Rb3 30.Rb2 Ra3 31.Qb1 Qa5 32.Qc2 Ba4 33.Qf5 Rc3 34.Kb1 Qf5 35.gf5 Rd3 36.Kc1 h6 37.Ne6 Ra3 38.Ne3 c3 39.Rb4 Rc8 40.Nc2 Ra2 41.Ned4 Nd5 42.Rb7 Rc4 43.Kb1 Bc2 44.Nc2 Raa4?? 45.Re8 Kh7 46.Rbb8 g5 47.hg5+- hg5 48.Rb7 Rc7 49.Rc7 Nc7 50.Re7 Kh6 51.Rc7 Rf4 52.Rc3 Rf5 53.Ne3 Rb5 54.Kc2 a5 55.Rc4 Kh5 56.Kd3 Rb3 57.Ke2 Rb5 58.Kf2 Re5? 59.Rc6 Rb5 60.Ng4 (60.Ng4 Rb2 61.Kg3 Rg2 62.Kg2 a4 63.Rh6) 1–0. Cirabisi,Federico (2125) – Podini,Francesco (2010), Celle Ligure op, 1997. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3)

    6.c3 Nf6 7.e5 Ne4 8.Nb5 d5 9.d3 Nc5 10.d4 Ne4 11.Nd2 Nd2 12.Bd2.

    6.d4 Bb4 7.Bd2 Bd2 8.Qd2 Nf6 9.Bd3 d5 10.ed5 ed5 (worse 10...Qd5 11.Nb5 Qd8 12.c4+=) 11.0-0 0-0 12.Rfe1 Bg4 (12...Be6 13.Ne5=+) 13.Ne5 Nd4 (better 13...a6!?=) 14.Ng4+- Ng4 15.Qf4 Qh4 16.h3 (worse 16.Qd4 Qh2 17.Kf1 Rfe8-/+) 16...Qf2 17.Qf2 Nf2 18.Kf2 Ne6 (18...a6 19.Rad1 Ne6 20.Be2+-) 19.Reb1 Nc5 20.Nb5 a6 21.Nc7 Rad8 (21...Rac8 22.Nd5 Rcd8 23.Bc4+-) 22.Ra5+- Ne4 (22...Ne6 23.Nd5 Rd7+-) 23.Kg1 Rd7 (23...Rb8 24.Nd5 Nd6 25.Ne7 Kh8+-) 24.Nd5?? (better 24.Rb7 g6 25.Ba6+- (25.Ra6?! Nc5 26.Rba7 Na6 27.Ba6 h6=)) 24...Rd5+- 25.Rd5 Nc3 26.Rh5 g6? (26...Nb1 27.Bh7 Kh8 28.Be4 Kg8 29.Bb7+-) 27.Rb7?? (better 27.Rb3 gh5 28.Rc3+-) 27...gh5+= 28.Ba6 Ne4 (28...Kg7 29.Bd3+=) 29.Rb4 (29.Re7 Ng5+=) 29...Nf6 (29...Re8 30.Be2+=) 30.c4 (30.Bd3 Re8+=) 30...Ne4 31.Bb7 Rb8 (31...f5 32.Rb5+=) 32.Rb5+- Nd6 33.Rg5 Kf8 (33...Kh8 34.Bd5 Rc8 35.Rh5 Nc4 36.Bf7+-) 34.Bd5 Rc8 (34...Rb1 35.Kf2 Rb4 36.c5 Ne4 37.Be4 Re4 38.Rh5+-) 35.Rh5 Nc4 (35...Kg7 36.Rh4 Kg6+-) 36.Bc4 (better 36.Rh7!? Rc7 37.Kf2+-) 36...Rc4+= 37.Rh7 Kg8 38.Rh5 Kg7 39.Kh2 Rc3 (39...Ra4 40.Rc5+=) 40.Rg5 Kh6 41.Rg3 (41.h4 Rc2+=) 41...Rc4 42.Rf3 Kg6 43.g4 (43.Kg3 f5+=) 43...Rc5= 44.Kg3 (44.h4 f5=) 44...f5 45.Ra3 fg4 46.hg4 Kg5 47.Rf3 Ra5 48.Rf5 Rf5 49.gf5 Kf5 ½–½. Farkas,Gabor (2225) – Rous,Daniel (1905), Putovny Pohar Priatelstva Emila Tatarik, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Na3 Nc6)

    6.d4 Bb4 7.Bd2 Bd2 8.Qd2 Nf6 9.Bd3 d5 10.e5 Ne4 11.Qf4 (11.Qe3!? Qa5 12.Kf1+=) 11...Qa5-/+ 12.Ke2 0-0 (better is 12...g5 13.Ng5 Nd4 14.Kf1 Qc3 15.Qf7 Kd8=) 13.Be4= de4 14.Qe4 Rd8 (14...f5 15.Qd3+=) 15.Rhd1 Ne7 16.Rd3 (16.c4!? a6 17.Kf1+/-) 16...h6 (16...Bd7 17.c4 (worse is 17.Qb7 Nd5 18.Qb2 Nf4 19.Kf1 Qa6-/+) 17...Bc6 18.Qf4+=) 17.g4 (better is 17.c4!?=) 17...Bd7-/+ 18.g5 (18.c4 b5 19.Rdd1 Bc6-/+) 18...h5 (18...Bc6 19.Qg4 h5 20.Qf4-/+) 19.g6? (better is 19.c4!? Bc6 20.Qf4+=) 19...Ng6-+ 20.Rg1 (20.c4 Rac8 21.Nd2 Bc6-+) 20...Bc6 21.Qe3 Rac8 22.c4 Bf3 (22...b5!? 23.Nd2-+) 23.Qf3-/+ h4 (better is 23...b5 24.cb5 Rd5-/+) 24.Qb7?? (better is 24.Rb1 Rd7 25.Qe4-/+) 24...Nf4-+ 25.Ke3 Nd3 26.Qg2 (26.Nb5 Nb2 27.c5 Nc4 28.Kf4 Rb8-+) 26...g6 27.Qe4 Ne5 (27...Ne5 28.Qe5 Qa3 29.Ke4 Rc4-+) 0–1. Subramanian,RM (1885) – Sidhant,Mohapatra (2255), Pune IND, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 ba3 4.Na3 e6 5.Nf3= Nc6)

    6.d4 Bb4 7.Bd2 Nf6 8.Bd3 0-0 9.e5 Nd5 10.0-0 Bd2 11.Qd2 f6 12.Nc4.

    6.d4 d5 7.ed5 Bb4 8.Bd2 Bd2 9.Qd2 ed5 10.Bb5 Qe7 11.Qe2 Bd7 12.0-0.

    6.d4 d5 7.e5 a6 8.c3 Rb8 9.Bd3 b5 10.Nc2 Na5 (10...Nge7=) 11.Ng5 (better 11.0-0!?+=) 11...Nb3=+ 12.Ra2 Nc1 13.Qc1 Qc7 (13...h6 14.Nf3=+) 14.0-0 (14.Qd2 h6 15.Nf3 Ne7=+) 14...Rb6 (14...h6 15.Nh3=+) 15.Bh7 (15.Nh7!? Qc3 16.Nf8 Kf8 17.Ra3+-) 15...Ne7 (better 15...Rc6 16.f4 Nh6=+) 16.Qd1? (better 16.Bd3=+) 16...g6-+ 17.Qf3 Nf5 18.g4? (better 18.h4 Rc6 19.g4 Nh4 20.Qf6-+) 18...Qe7 19.Nf7 (19.Bg6 Qg5 20.Bf5 ef5 21.Ne3 fg4 22.Qg2-+) 19...Qf7 (19...Rh7?! 20.gf5 Qf7 21.f6-+; 19...Kf7?! 20.Bg6 Kg6 21.gf5 ef5 22.Ne3-+) 20.gf5 Qh7 (20...Qh7 21.h3 gf5-+; 20...Rh7?! 21.f6-+) 0–1. Vekemans,D (1950) – Heurtebize,O (2270), 32nd Avoine Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 Nc6)

    6.d4 d5 7.e5= a6 8.c3 Nge7 9.Bd3 Ng6 10.h4 Rb8 11.h5 Nge7 12.Nc2.

    6.d4 d5 7.e5= a6 8.Bd3 Rb8 (8...Bb4 9.Bd2 Nge7 10.0-0= (10.c3 Ba5 11.Qc2 g6 12.0-0) 10...0-0 11.c3 Ba5 12.c4) 9.0-0 Nge7 (9...b5 10.c3 Nge7 11.Nc2 Bb7 12.Qe2) 10.c4 dc4 (10...Nb4 11.h3= Nd3 12.Qd3) 11.Nc4+= Nd5 12.Ng5 (better is 12.Be4!?+=; 12.Bg5+=) 12...b5+= 13.Qh5 (13.Qf3 f6 14.ef6 Qf6-/+ (14...bc4?? 15.fg7 Qg5 16.gh8Q+-)) 13...g6-/+ 14.Qf3 Qd7 15.Nd6 Bd6 16.ed6 h6 (16...0-0 17.Qh3 f6 18.Ne4-/+) 17.Qh3 Qd6 18.Ne4 Qc7 19.Qh4 f5 (19...Bb7 20.Be3+=) 20.Nf6= Nf6 21.Qf6 Rg8 22.d5 (22.Bh6 Qe7 23.Qe7 Ke7+=) 22...Nb4+= 23.Qd4 Nd5 24.Bh6 Qc3 25.Qc3 Nc3 26.Bf4 Rb6 27.Rfc1 Rc6 28.Be5 b4 29.Bc3 bc3 30.Ra3 Rg7 31.Rac3 Rc3 32.Rc3 Kd8 33.Ra3 Ra7 34.f4 a5 35.Kf2 Bd7 36.Ke3 Ke7 37.Kd4 Kd6 38.h3 a4 39.Bc2 Ra5 40.g4 e5 41.fe5 Re5 42.gf5 gf5 43.h4 Rd5 44.Ke3 Ke5 45.h5 Rd4 46.Ke2 Rh4 47.Bd1 Bb5 48.Ke1 Kd5 49.Kf2 Kc5 50.Kg3+= Rd4 51.Bc2 f4-/+ 52.Kf3? Bc6-+ 53.Kg4 f3 54.Kg3 f2! 55.Ra1 Bb5 56.Kf2 Rd2 57.Kg3 Rc2 58.h6 Kb4 59.h7 Rc8 60.Rb1 Ka5 61.Kf4 Rh8 62.Rh1 a3 63.Ke3 a2 64.Ra1 Bc4 65.Kd4 Kb4 66.Rc1 Bb3 0–1. Muzychuk,Anna (2380) – Kosteniuk,Alexandra (2505), 36th Olympiad w, Calvia ESP, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 Nc6)6.d4 d5 (6...Nf6 7.Bd3 Bb4 8.Bd2+= d5 9.Bb4 Nb4 10.ed5 ed5 11.0-0 0-0 12.Re1; 6...Bb4 7.Bd2 Nf6 8.Bd3 0-0 9.e5 Nd5 10.0-0 Bd2 11.Qd2 f6 12.Nc4) 7.e5= (7.ed5 Bb4 8.Bd2 Bd2 9.Qd2 ed5 10.Bb5 Qe7 11.Qe2 Bd7 12.0-0) 7...a6 (7...Bb4 8.Bd2 Nge7 9.Bd3= Nf5 10.c3 Be7 11.0-0 h5 12.Nc2) 8.Bd3 (8.c3 Nge7 9.Bd3 Ng6 10.h4 Rb8 11.h5 Nge7 12.Nc2) 8...Rb8 (8...Bb4 9.Bd2 Nge7 10.0-0= (10.c3 Ba5 11.Qc2 g6 12.0-0) 10...0-0 11.c3 Ba5 12.c4) 9.0-0 Nge7 (9...b5 10.c3 Nge7 11.Nc2 Bb7 12.Qe2) 10.c4 dc4 (10...Nb4 11.h3= Nd3 12.Qd3) 11.Nc4+= Nd5 12.Ng5 (better is 12.Be4!?+=; 12.Bg5+=) 12...b5+= 13.Qh5 (13.Qf3 f6 14.ef6 Qf6-/+ (14...bc4?? 15.fg7 Qg5 16.gh8Q+-)) 13...g6-/+ 14.Qf3 Qd7 15.Nd6 Bd6 16.ed6 h6 (16...0-0 17.Qh3 f6 18.Ne4-/+) 17.Qh3 Qd6 18.Ne4 Qc7 19.Qh4 f5 (19...Bb7 20.Be3+=) 20.Nf6= Nf6 21.Qf6 Rg8 22.d5 (22.Bh6 Qe7 23.Qe7 Ke7+=) 22...Nb4+= 23.Qd4 Nd5 24.Bh6 Qc3 25.Qc3 Nc3 26.Bf4 Rb6 27.Rfc1 Rc6 28.Be5 b4 29.Bc3 bc3 30.Ra3 Rg7 31.Rac3 Rc3 32.Rc3 Kd8 33.Ra3 Ra7 34.f4 a5 35.Kf2 Bd7 36.Ke3 Ke7 37.Kd4 Kd6 38.h3 a4 39.Bc2 Ra5 40.g4 e5 41.fe5 Re5 42.gf5 gf5 43.h4 Rd5 44.Ke3 Ke5 45.h5 Rd4 46.Ke2 Rh4 47.Bd1 Bb5 48.Ke1 Kd5 49.Kf2 Kc5 50.Kg3+= Rd4 51.Bc2 f4-/+ 52.Kf3? Bc6-+ 53.Kg4 f3 54.Kg3 f2! 55.Ra1 Bb5 56.Kf2 Rd2 57.Kg3 Rc2 58.h6 Kb4 59.h7 Rc8 60.Rb1 Ka5 61.Kf4 Rh8 62.Rh1 a3 63.Ke3 a2 64.Ra1 Bc4 65.Kd4 Kb4 66.Rc1 Bb3 0–1. Muzychuk,Anna (2380) – Kosteniuk,Alexandra (2505), 36th Olympiad w, Calvia ESP, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 e6 5.Nf3 Nc6)

    6.d4 d5 7.e5= Bb4 8.Bd2 Nge7 9.Bd3= Nf5 10.c3 Be7 11.0-0 h5 12.Nc2.

    6.d4 Nf6 7.Bd3 Bb4 8.Bd2+= d5 9.Bb4 Nb4 10.ed5 ed5 11.0-0 0-0 12.Re1.

    6.e5 Nh6 =.

    4.Nf3 a6

    5.d4 b5 6.Bd3= Bb7 7.0-0 (7.ab4 Bb4 8.Bd2 Nc6=+) 7...Nf6 8.d5 (8.Re1!?=+) 8...ed5 9.ed5 Bd5 (worse 9...Nd5 10.Re1 Ne7 11.ab4+=) 10.Bg5 (10.Re1 Be6-/+) 10...Nc6 11.ab4 (11.Re1 Be6-/+) 11...Nb4 (11...Bb4 12.c3 Be7 13.Re1-+) 12.Nc3 (12.Re1 Be6 13.Be4 Ra7=+) 12...Be6 (12...Be7 13.Nd5 Nfd5 14.Re1-/+) 13.Bf6 Qf6 (13...gf6 14.Re1-/+) 14.Nb5=+ Qd8 15.Nbd4 Bc5 (15...Nd3 16.Qd3 a5 17.Ra4=+) 16.Be4 (16.Ne6 de6 17.Be4 Ra7 18.Qd8 Kd8=) 16...d5-/+ 17.Bf5 Bf5 18.Nf5 0-0 19.N3d4 (19.c3 Nc6=+) 19...Qf6-/+ 20.c3 Bd4 21.Nd4 Nc6 22.Nc6 (22.Re1 Nd4 23.cd4 Rfe8-/+) 22...Qc6 23.Ra5 Rfd8 24.Qd3 (24.Qf3 Rac8-/+) 24...Rac8 25.Rc1 Rd6 (25...Qc4 26.Qd1-/+) 26.g3 (26.Re1 Re8 (26...Qc3?? 27.Qc3 Rf8 28.Qc5+-) 27.Re8 Qe8-/+) 26...h5 (26...h6 27.Re1-/+) 27.Qf5 (27.Qd4 Qd7-/+) 27...g6 (27...d4 28.c4-/+) 28.Qg5 d4 29.c4 d3 30.Qd2 (30.c5 d2 31.Rd1 Rd5-+) 30...Re8-+ 31.c5 Rde6 (31...Rd5 32.Rb1-+) 32.Raa1 (32.Rf1 Rd8-/+) 32...Qf3-+ 33.Rf1 (33.Qd1 Re2 34.Qf1-+) 33...h4! 34.Qh6 (34.gh4 Qg4 Double attack (34...Qg4 Decoy)) 34...d2 35.Qh4 Re1 36.Qd4 Qe2 (36...Qe2 37.Rfe1 de1R 38.Re1 Qe1 39.Kg2 Qe4 40.Qe4 Re4-+) 0–1. Taylor,Timothy (2315) – Banawa,Joel Cholo B (2340), 4. Metropolitan Invitational, 2011. (=1.e4 c5 2.Nf3 a6 3.b4 cb4 4.a3 e6)

    5.d4 Nf6 6.e5 Nd5 7.Bd3 Nc6 8.0-0 b5 (better 8...d6!?=+) 9.ab4+= Bb7 10.c3 d6 11.ed6 (11.Be4 de5 12.de5 Be7+=) 11...Bd6= 12.Re1 h6 13.Bb2 Qc7 14.Nbd2 0-0-0 (14...0-0!?=) 15.Ne4+/- g5 16.Nd6 Qd6 17.Nd2 Nf4 18.Bf1 (18.Ne4 Qd5 19.Bc2 Ne7+/-) 18...f5 19.Nb3 e5 20.Nc5 ed4 21.cd4 (21.Na6?! dc3 22.Bc3 Qd1 23.Red1 Rhe8 24.Bb5 Ng2=; 21.Nb7?! Kb7 22.g3 Nd5+=) 21...Nd5 (21...Nd4!? 22.Bd4 Qd4+-) 22.Re6 Qc7 23.Na6 (23.Qb3 Rh7+-) 23...Ba6 24.Ra6 Ndb4? (better 24...Ncb4 25.Ra8 Kd7 26.Rd8 Qd8+-) 25.Bb5 Rd6 (25...Na7 26.Qb3 Nb5 27.Qb4 Na7 28.Ra7 Qa7 29.Rc6 Qc7 30.Rc7 Kc7+-) 26.Rd6 Qd6 27.d5 (better 27.Ra8 Nb8 28.Qa4+-) 27...Rd8 28.Ra8 (28.Rc6 Nc6 29.Ba6 Kc7=) 28...Kb7?? (28...Kc7 29.Rd8 Qd8+-) 29.Rd8 (29.Bc6 Kc7 30.Ra7 Kb8 31.Qa4 Nc6 32.Ra8 (32.Qc6?? Qc6 33.Be5 Ka7 34.Bd4 Kb8 35.dc6 Rd4-+) 32...Kc7 33.Be5+- (33.Qc6?! Qc6 34.Be5 Kb6 35.Bd4 Kb5 36.dc6 Ra8=+)) 29...Nd8 30.Bc4 Na6 31.Qb3 Kc7 (31...Qb6 32.Qa3+-) 32.Ba3 (better 32.Qd3!? Nb8+-) 32...Nc5 33.Qc3 Ndb7 34.g3 (34.Qg7 Qd7 35.Qe5 Qd6 36.Qf5 Qe7+-) 34...Kb6 (34...f4 35.Qh8+-) 35.Qb2 (35.Qg7 Na5 36.Qd4 f4+-) 35...Ka7 36.Qg7 Kb6 37.Bb2 Ne4 (37...Nd7 38.Qc3+-) 38.Be5 Qb4 39.Qc7 (better 39.Bd4 Nbc5 40.Bf1+- (40.Qh6?! Ka5 41.Bc5 Qc5 42.Qa6 Kb4+=)) 39...Ka7 40.Bd4 (40.Kg2!? Qc5 41.Qc5 Nbc5+-) 40...Nec5+/- 41.Bc5 Qc5 42.Qc5 Nc5 43.d6 (43.f3 Kb6 44.Kf2 f4+=) 43...Kb6 44.Bd5 Nd3 (44...Nb7 45.d7 Nd8 46.Ba2+/-) 45.d7 (45.Kg2!?+/-) 45...Kc7+= 46.Be6 f4 47.Kg2 Ne5 (47...Nc5 48.Bf5 fg3 49.Kg3 Nd7 50.Bd7 Kd7 51.Kg4=) 48.gf4+/- gf4 49.Kh3 Kd8? (better 49...Nd3!? 50.Kg4 Nf2 51.Kf4 Nd3 52.Kf5 Nc5+/-) 50.Kh4 (50.Bf5 Ke7+-) 50...Ke7 (50...Nd3 51.f3 Ne5 52.Bg4+-) 51.Bg4 (51.Bf5 f3+-) 51...Nf7 (51...Nd3 52.f3 Ne5 53.Kh5+-) 52.Kh5 Kf6 53.f3 Kg7 (53...Ke7 54.h3+-) 54.h3 (54.Bf5 Nd8+-) 54...Nd8? (better 54...Kf6 55.h4 Ke7+/-) 55.Bf5 Nc6 56.Kg4 Kf6 57.Kf4 Nd8 (57...Ke7 58.Ke4+-) 58.Bg4 (58.Ke4 Ke7+-) 58...Nf7 (58...Ke7 59.Kg3+-) 59.h4 Ke7 60.Ke4 (60.Kf5 h5 61.Bh5 Nd6 62.Kg6 Kd7 63.Bg4 Ke7+-) 60...Nd6 (60...h5 61.Bh3+-) 61.Kd5 Nf7 (61...Nb5 62.f4+-) 62.h5 (62.Kc6 Ne5 63.Kc7 Nd7 64.Bd7 Kf6+-) 62...Ng5 63.Ke5 (63.f4 Nh7 64.Be6 Nf8+-) 63...Nh7 (63...Nf7 64.Ke4+-) 64.Kf5 Nf6 (64...Nf8 65.d8Q! Kd8+-) 65.Kg6 Ng8 66.Kg7 Nf6 67.d8Q! Kd8 68.Kf6 (68.Kf6 Kc7 69.Ke7 Kb6 70.f4 Kc5 71.f5 Kd4 72.f6 Ke5 73.f7 Kf4 74.Be6 Ke3 75.f8Q Ke4 76.Bf5 Ke5 77.Qf6 Kf4 78.Qh6 Kf3 79.Qd2 Kg3 80.Qe3 Kg2 81.Bh3 Kh2 82.Qf3 Kg1 83.Qg2) 1-0. Noritsyn,N (2510) - Budrewicz,K (2285), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 a6 3.b4 cb4 4.a3 e6)

    5.ab4 Bb4

    6.Bb2 Nf6=+ 7.e5 Nd5 8.c4 Ne7 (8...Nf4 9.g3 Ng6 10.Be2=) 9.Nc3 Nbc6 (9...Ng6 10.h4 Nc6 11.Nb5=) 10.Ne4 Ng6 11.c5 (11.Nd6 Bd6 12.ed6 f6+=) 11...h6 (11...0-0 12.Qc2=) 12.Bb5 (12.Nd6 Kf8 13.Qc2 b6 14.Nc8 Rc8 15.Ba6 Rb8+=) 12...Rb8 (12...0-0 13.0-0=) 13.Bc4 (better 13.Nd6!? Kf8 14.Bc6 bc6 15.0-0+=) 13...0-0 14.0-0 b6 (14...b5 15.Be2=+) 15.cb6 (15.Qc2 Bc5 16.Qc3 a5-/+) 15...Rb6 16.Qe2 (16.Qc2 Bb7 17.Ra4 Qb8-/+) 16...a5 (16...d5 17.ed6 f5 18.Ng3=+) 17.d4 (17.Rfc1 Bb7=) 17...Nce7 (17...Nf4 18.Qc2=+) 18.Bc1 (18.g3 Bb7 19.Rfd1 Qa8-/+) 18...Nf5 (18...Bb7-/+) 19.g4 (better 19.Be3!?-/+) 19...d5-+ 20.gf5 de4 (20...ef5 21.Nf6 gf6 22.Bd3-+) 21.fg6 (21.Qe4 ef5 22.Qd3 Nh4-/+) 21...ef3 22.Qf3 fg6 (22...Qd4 23.Be3 Qc4 24.Bb6 fg6 25.Qe3-+) 23.Qd3 (23.Qe4 Bc3 24.Qg6 Qd4 25.Bh6 Qe5-/+) 23...Rf5 24.Be3 Rb8 (24...Bb7!? 25.f4 Bd5-/+) 25.f3 (25.f4 Qh4 26.Qe2 Kh7=+) 25...Kh7 26.Ra2 (26.Qc2 Kh8=+) 26...Qe8 (26...Bb7 27.Qe2 Bd5 28.Rc2-/+) 27.Qd1 Bb7 (27...Kh8 28.Bd3 Rf8 29.Qb1-/+) 28.Bd3 Bd5 29.Rg2 (29.Rb2!?-/+) 29...a4-+ 30.Bf5 (30.h4 a3-+) 30...gf5 (30...ef5?! 31.Qd3-/+) 31.Bc1 (31.Rff2 a3-+) 31...a3 32.Kh1 (32.Rff2 Ra8-+) 32...Qh5 33.Rg3 (33.Rff2 Be7 34.Ba3 Ba3-+) 33...a2 34.Bb2 Be1!! 35.Rg2 (35.Qe1 Rb2 Discovered attack; 35.Re1 Rb2 Discovered attack) 35...Bh4 36.Qd3 (36.Qe2-+) 36...Rb3 37.Bc3 a1Q! 38.Ra1 (38.Ba1 Rd3 Pinning (38...Rd3 Deflection); 38.Ra1 Bf3 Deflection) 38...Bf3 39.Kg1 Bg2 40.Kg2 Qg4 (40...Be7 41.Rg1 Bb4 42.Qd1 Qd1 43.Rd1 Bc3 44.d5 ed5 45.Rd5-+) 41.Kf1 Qf4 42.Kg2 (42.Ke2 Qh2 43.Kd1-+) 42...Qf2 43.Kh1 Be7 (better 43...Bg5 44.Qg3 Qc2 45.Qe1-+) 44.h3 (44.d5 Qc5 45.Rc1-+) 44...Bb4 45.Be1 (45.Rf1 Rc3 46.Rf2 Rd3 47.Ra2-+) 45…Qb2 (45...Qb2 46.Qb3 Qb3 47.Bb4 Qb4-+; 45...Be1?! 46.Qb3 Qf1 47.Kh2 Qe2 48.Kh1 Qe4 49.Kh2-+) 0–1. Sydor,Andrzej (2425) – Ackermann,Hans Werner (2200), Dortmund, 1976. (=1.e4 c5 2.Nf3 a6 3.b4 cb4 4.a3 e6 5.ab4 Bb4)

    6.Bb2 Nf6 7.e5 Nd5 8.c4 Ne7 9.Bd3 Nbc6 10.Nc3 (10.Be4 d5 11.ed6 Qd6 12.Bg7 Rg8=+) 10...Bc3 (10...d6 11.ed6 Qd6 12.Qb1=+) 11.Bc3 d5 12.ed6 Qd6 13.Bb1 (13.Qb1 e5=+) 13...e5=+ 14.0-0 (14.d4 ed4 15.Nd4 0-0=+) 14...0-0 (14...Bg4 15.h3 Bf3 16.Qf3=+) 15.Re1 Can e5 get defended? 15...Ng6 (better 15...f6!?=+) 16.Bg6+= fg6 (16...Qg6 17.Ne5 Ne5 18.Re5+=) 17.Ne5 Be6 18.Rb1 Ne5 19.Be5 Qc6 20.d3 (20.Qb3 Bc4 21.Qb7 Qb7 22.Rb7 Rf7+=) 20...Rad8 (20...b5 21.cb5 ab5 22.Rb2+=) 21.Rc1 (21.Qb3 Rf7+=) 21...Rf7 22.Qe2 b5 23.cb5 Qb5 24.Bc7 (24.Rb1 Qd5 (24...Qd3?? 25.Rbd1 Qd1 26.Rd1 Rd1 27.Qd1+-) 25.d4 Ra7+=) 24...Re8 25.Bd6 (25.Qe3 Rd7 26.d4 Qb7+=) 25...Bd7 (25...Qd7 26.Bc5=) 26.Qc2 (26.Qe8 Be8 27.Rc8 Rf8 28.Bf8 Kf8 29.Rce8 Qe8 30.Re8 Ke8+=) 26...Re1 27.Re1 h6 (27...Qc6 28.Qc5+=) 28.d4 Qd5 29.Qc5 (worse 29.Qg6 Rf6 30.Re8 Be8 31.Qe8 Kh7-+) 29...Bc6 30.Qd5 Bd5 31.Re5 Rf5 (31...Rb7 32.f3+=) 32.Re8 Kf7 (32...Kh7 33.Be5+=) 33.Re7 Kg8 34.f3 (34.Ra7 Bc4+=) 34...g5 (34...Rf7 35.Re8 Kh7 36.Re5+=) 35.Rd7 (better 35.Ra7+=) 35...a5? (better 35...Rf7!? 36.Rd8 Kh7+=) 36.Be5+- Bf7 (36...Bb3 37.Rg7 (worse 37.Bg7 h5+=) 37...Kf8 38.Rb7+-) 37.Ra7+- h5 38.Kf2 (38.Ra5 g4 39.fg4 hg4+-) 38...g4+- 39.f4 g5 40.Ke3 (40.Ra8 Kh7 41.g3+- (41.Ra5?! gf4 42.h3 f3 43.hg4 hg4=)) 40...gf4= 41.Ke4 (41.Bf4?! Bb3=) 41...f3 42.Ra8 Be8 43.Kf5 (43.Re8 Kf7 44.gf3 gf3=) 43...f2 44.Ke6 f1Q 45.Re8 Kh7 46.Rh8 Kg6 47.Rg8 Kh6 48.Rh8 Kg6 49.Rg8 Kh6 ½–½. Eckersley_Waites,Tom (2245) – Roset,Christophe (2055), 4NCL, 2010. (=1.e4 c5 2.Nf3 a6 3.a3 e6 4.b4 cb4 5.ab4 Bb4)

    6.Bb2 Nf6=+ 7.e5 Ne4 8.Bd3 d5 9.ed6 Nd6 10.Bg7=.

    6.c3 Ba5 7.Be2 d6 8.0-0 Nf6 9.e5 de5 10.Qa4 Nc6 11.Ne5 Bc7=.

    6.c3 Be7

    7.d4 d5 8.e5+= Bd7 9.Bd3 Qc7 10.Ng5 Nh6 11.Nh7 Nf5=.

    7.d4 Nf6 8.Bd3 d6 9.0-0 Nbd7 10.Qe2 Rb8 (10...Qc7 11.c4=+) 11.Ne1 (11.c4!?=) 11...b5=+ 12.f4 Nb6 13.e5 Nfd5 14.Nf3 Qc7 15.Ng5 Bg5 (15...Nc3!? 16.Nc3 Qc3-/+) 16.ed6=+ Qd6 (worse 16...Nc3 17.dc7 Ne2 18.Be2+-) 17.fg5 Nd7 18.Ra2 (18.Qh5 Rf8 19.Bd2 b4=) 18...0-0 (18...Nc3 19.Nc3 Qd4 20.Be3 Qc3 21.Ba7-/+) 19.Qh5=+ f5 20.gf6 N7f6 21.Qh4 Rb7 22.g4?? (better 22.Ba3 b4 23.cb4 Nb4 24.Raf2=+) 22...g6?? (better 22...Nc3 23.Rd2 Qd4 24.Rff2 Qe3-+) 23.Bh6 (23.Raf2 b4 24.c4+- (worse 24.Rf6 Rf6 25.Rf6 Nf6 26.Qf6 Rf7=+)) 23...Rff7=+ 24.Raf2 Ne8 (24...e5 25.de5 Qe5 26.Re2+-) 25.Nd2 (25.Be4!?=) 25...Nc3-/+ 26.Nf3 (26.Rf7 Rf7 (26...Qd4 27.Qf2 Rf7 28.Qd4 Ne2 29.Be2 e5 30.Qd5 Nd6 31.Ne4 a5 32.Nf6 Kh8 33.Qd6 Be6 34.Qd8 Rf8 35.Qf8 Bg8 36.Qg8) 27.Rf7 Kf7 (27...Qd4 28.Qf2 Qf2 29.Rf2+-) 28.Qf2 Kg8-/+) 26...e5 (better 26...b4!?-/+) 27.Ne5=+ Rf2?? (better 27...Qd4 28.Nf7 Rf7=+ (28...Qd3 29.Ne5 Ne2 30.Re2 Qd4 31.Re3+-)) 28.Qf2+- (worse 28.Rf2 Ng7 (28...Qd4 29.Qd8 Qf2 30.Kf2 Rf7 31.Kg3 Be6 32.Qe8 Rf8 33.Qf8) 29.Bd2 A) 29...Qd4 30.Bc3 Qd6 31.Bb4 Qb4 32.Qd8 Ne8 33.Qe8 (33.Qc8?! Re7 34.Nc6 Qe1 35.Bf1 Rf7 36.Rf7 Kf7+-) 33...Kg7 34.Qc8+-; B) 29...Nd5=+) 28...Ng7 29.Bc2?? (better 29.Bd2 Nd5 30.Nf7+-) 29...Be6 (29...Qd4 30.Be3 Ne2 31.Qe2 Qe5 32.Qf3=+) 30.Bf4 Qd4 31.Be3? (better 31.Qd4 Ne2 32.Kf2 Nd4 33.Rd1=) 31...Qd8?? (better 31...Qd6-+) 32.Bc5+= Nf5 33.gf5 Qg5 (33...gf5 34.Bf5 Rg7 35.Kh1 Qd5 36.Qf3 Bf5 37.Qd5 Nd5 38.Rf5+-) 34.Qg2 Qg2 35.Kg2 gf5 36.Bf5 Bf5 37.Rf5 Ne4 (37...Rc7 38.Kf3+-) 38.Bd4 (38.Bb4 a5 39.Kf3 ab4 40.Ke4 Ra7+-) 38...b4 (38...Rg7 39.Kh1+-) 39.Ng4 h5 (39...h6+-) 40.Rh5 Rb5 41.Rb5 ab5 42.Nf6 Nf6 43.Bf6 Kf7 44.Ba1 Ke6 45.h4 Kf5 46.Kg3 b3 47.Bg7 b4 (47...b2 48.Bb2 b4 49.Bc1+-) 48.Ba1 Ke4 (48...b2 49.Bb2 Ke4+-) 49.h5 Kd3 50.h6 Kc2 51.h7 b2 52.Bb2! Kb2 53.h8Q Ka2 54.Qa8 (54.Kf3!? Kb3+-) 54...Kb2 55.Qg2 Ka3 56.Qc2 (56.Qg1 b3+-) 56...b3 57.Qb1 (57.Qb1 b2 58.Kf4 Kb3 59.Ke4 Kb4 60.Qb2 Kc5 61.Qb7 Kd6 62.Qb6 Ke7 63.Ke5 Kf7 64.Qf6 Kg8 65.Qe7 Kh8 66.Kf6 Kg8 67.Qg7) 1–0. Kindler,Juergen – Zunker,Reinhard, Oberliga Hessen, 1991. (=1.e4 c5 2.Nf3 a6 3.b4 cb4 4.a3 e6)

    7.d4 d6

    8.Bd3 Nc6 9.0-0 Nf6 10.Re1 0-0 11.Qc2 h6+=.

    8.Bd3 Nd7 9.0-0= Ngf6 10.e5 (10.Qc2!?=) 10...de5+= 11.de5 Nd5 12.h4 (12.Bd2 h6+=) 12...Qc7-/+ 13.Re1 b6 (13...Nc5 14.Bg5-/+) 14.Na3 (14.Ba3 Nc5 15.Bc5 Qc5-/+) 14...Bb7 15.Nc4 Nc3 (15...Nc5 16.Ba3-/+) 16.Nd6 (16.Qc2 Nb5-/+) 16...Qd6 (16...Kf8!? 17.Qc2 Bf3 18.Bf4-+) 17.ed6-/+ Nd1 18.de7 Nc3 19.Bb2 Nd5 20.Bg7 Rg8 21.Bh6 N7f6 22.Bg5 (22.Rec1 Ne7 23.Be2 Bf3 24.Bf3 Nfd5-/+) 22...Nb4 (22...h6 23.Bd2-/+) 23.Bf6 Nd3 24.Rad1 (24.Red1 Rg6 25.Bg5 Bf3 26.gf3 h6 27.Rd3 hg5-/+) 24...Rg6 25.Rd3 Rf6 26.Ne5 Bd5 27.Ng4 Rf5 28.Ne3 Re5 (28...Rh5 29.g4 Re5 30.Kh2-/+) 29.f4+= Re4 30.f5? (better is 30.Rc1!?+=) 30...Ke7-+ 31.Rd5?? (better is 31.Rb1 b5 32.Nd5 ed5 33.Rd5 Rh4 34.Rc1-+) 31...ed5 32.Nd5 Kd6 33.Re4 Kd5 34.Re7 a5 35.Rf7 a4 36.Rh7 a3 37.Rd7 Ke5 38.Rd1 a2 39.Ra1 b5 0–1. Soors,Stef (2390) – Rapport,Richard (2700), Riga LAT, Tech Open, 2014. (=1.e4 c5 2.Nf3 a6 3.b4 cb4 4.a3 e6)

    8.Bd3 Nf6 9.0-0 Nc6+= 10.Bg5 0-0 11.Nbd2 Bd7+=.

    8.Bd3 Nf6 9.0-0 Nbd7 10.Bf4 0-0 11.Qc2 (11.Nbd2 e5 12.Bg5 h6=+) 11...g6 (11...e5!? 12.Be3 Qc7=+) 12.Nbd2+= Qc7 (better 12...Re8+=) 13.Nc4 (better 13.Qb3!?+=) 13...Ne4=+ 14.Be4 (14.Ne3 Nef6-/+ (worse 14...Nc3 15.Ra3 Nb5 16.Bb5 Qc2 17.Nc2+-)) 14...Qc4-/+ 15.Nd2 (15.Bd3!? Qc6 16.c4-/+) 15...Qc7 16.c4? (16.Qb3 Nf6-/+) 16...e5 (better 16...f5!? 17.Bd3 g5 18.Be3-+) 17.Bh6 (17.Be3 Nf6-+) 17...Re8 18.f4 (18.Be3 Nf6-+) 18...Bf8 (better 18...ed4!? 19.f5 Ne5-+) 19.Bf8-/+ Rf8 (19...Kf8 20.fe5 de5 21.Bg6 hg6 22.Qg6+=) 20.f5 (20.Qd3 ed4 21.Rae1 Nc5 22.Qd4 Re8-+) 20...Nf6-+ (worse 20...ed4 21.fg6 hg6 22.Bg6-/+) 21.Ra3 (21.fg6 fg6 22.Qb3 ed4-+ (22...Ne4?! 23.c5 Kg7 24.Rf8 Kf8 25.Ne4 dc5 26.Nc5=+)) 21...d5 (better 21...ed4 22.Qd3 a5-+) 22.Rh3?? (better 22.cd5 Qc2 23.Bc2 ed4 24.fg6 fg6 25.Raf3-/+) 22...de4-+ 23.Ne4 (23.Rg3 Nh5 24.fg6 hg6-+) 23...Ne4 24.Qe4 f6 (better 24...Bf5 25.Rf5 gf5 26.Qf5 f6-+) 25.de5 (25.Rg3 Qc4 26.fg6 Qd4 27.Qd4 ed4 28.gh7 Kh8 29.Rf4-+) 25…Bf5 (25...Bf5 26.Qd5 Rf7-+) 0–1. Tukhvatullin,Timur (2245) – Gabdrakhmanov,Rafail (2410), 6. ch–PriFO Men, 2008. (=1.e4 c5 2.Nf3 a6 3.b4 cb4 4.a3 e6)

    8.Bd3 Nf6 9.e5 de5 10.de5 Nd5 (10...Nfd7 11.Ba3-/+) 11.Ra4 (11.0-0 Qc7=+) 11...Nc6 (11...Nd7 12.Ba3-/+) 12.Rg4 g6 13.Bh6 (13.0-0 Qc7 14.Qe2 0-0-/+) 13...Qc7 (better 13...f5 14.ef6 Bf6-/+) 14.0-0 (better 14.Qe2!?=+) 14...Ne5-+ 15.Ne5 Qe5 16.Re1 (16.c4 Qh5 17.Bg7 Rg8-+) 16...Qh5 (16...Nc3 17.Qc1 (17.Re5? Nd1 18.Re2 Bf6-+) 17...Na2 18.Re5 Nc1 19.Bc1=+) 17.Bg7 Rg8 18.Bd4 (18.Be5 f6 19.Bg3 f5-+) 18...f5 19.Rg3 Qd1 20.Rd1 Kf7 21.Nd2 Bd6 (better 21...Bf6 22.Bf6 Kf6-+) 22.Nc4? (22.Rh3 h5-+) 22...Bc7 (22...Bg3 23.hg3 b5 24.Ne5 Ke7 25.Rb1-+) 23.Be5? (23.Ne5 Ke7 24.Kf1-+) 23...Be5 (better 23...b5!? 24.Bc7 bc4 25.Be5 cd3 26.Rgd3-+) 24.Ne5 Kf6 25.Re1 Rd8 26.Bf1 Ne7 (26...b5 27.c4 bc4 28.Bc4-+) 27.f4 (27.Rh3 h5-+) 27...b5 (27...a5 28.Bc4-+) 28.Rh3 (28.Kf2 Bb7-+) 28...h5 29.Rhe3 Bb7 (29...Nd5 30.Rf3-+) 30.Ng4 Kf7 (30...fg4? 31.Re6 Kg7 32.Re7 Kf6 33.Rb7+-) 31.Re6? (better 31.Ne5 Kg7 32.c4 bc4 33.Bc4-+) 31...Be4 32.Rf6 (32.R6e4 fe4 33.Ne5 Kf6 34.Re4 Rac8-+) 32...Kg7 33.Re6 Nd5 (worse 33...hg4 34.Re7 Kf6 35.Rh7-+) 34.Nf2 Nc3 35.Nh3 (35.Ra1 a5 36.Re5 Bd5-+) 35...Rd7 36.Re3 (36.Ng5 a5-+) 36...Nd5 (36...Bd5 37.Ng5 Ne4 38.Ne4 fe4 39.Rb6-+) 37.Rg3 Ne7 (37...Nf6 38.Ra3 Bb7 39.Ng5-+) 38.Ng5 Bd5 39.Re5 (39.Re1 Nc6-+) 39...b4 (39...Nc6!? 40.Re1-+) 40.Rd3 b3 (better 40...a5 41.Re7 Re7 42.Rd5 a4-+) 41.Ne6?! (41.Re7 Re7 42.Rd5 Rb8-+) 41...Kh6 (better 41...Kf7 42.Ng5 Kf6-+) 42.Nc5 b2 43.Nd7 (43.Rd1 Bb3! 44.Rb1-+) 43...b1Q 44.Re7 Bc4 45.Rf3 (45.Ne5 Bd3 46.Nd3 Qb6 47.Kh1 a5-+) 45...Ra7 (45...Bf1 46.Rf1 Qb4 47.Rfe1-+) 46.Ne5 Re7 47.Nc4 a5! 48.Kf2 (48.Na5 Qb6 Double attack (48...Qb6 Decoy)) 48...Qe1 (48...Re4 49.Ne5-+) 49.Kg1 a4 50.g3 (50.h3 Qc1 51.h4 Rc7-+) 50...Re2 51.Ne5 (51.h3-+) 51...a3 52.Nd3 Qd1 (52...Qb1 53.Nc5 a2 54.Nd3 a1Q 55.Nc1 Qd4 56.Kh1 Qde4 57.Be2 Qe2 58.Rf2 Qc1 59.Kg2 Qcf1) 53.Nf2 Rf2! 54.Rf2 (54.Rf2 Qb1 Combination; 54.Kf2 a2 Passed pawn) 54…Qd4 (54...Qd4 55.Kg2 a2 56.Ra2 Qd5 57.Kg1 Qa2-+) 0–1. Vallejo,Humberto (2055) – Martinez,Jorge Alexander (2190), Medellin COL, Cuartas Mem, 2011. (=1.e4 c5 2.Nf3 e6 3.a3 a6 4.b4 cb4)

    8.Bd3 Nf6 9.h4 Qc7 (9...0-0 10.Qc2 (10.Nbd2-/+ Qc7 11.c4 Nc6-/+) 10...Nbd7 11.0-0 e5-/+) 10.e5 (10.Bg5 A) 10...h6 11.Bd2 (11.Bf4 0-0-/+) 11...Nc6-/+; B) 10...Nc6 11.Na3 0-0-/+; 10.0-0 0-0 11.Qc2 Nc6-/+) 10...Ng4 (10...de5 11.Ne5 Nbd7-/+ (11...Nc6 12.f4-/+)) 11.Ng5+= h5 12.f3 (12.ed6 Bd6 13.Ne4 Be7+=) 12...Nh6 13.Bf4 (13.ed6 Bd6 14.Ne4 Bg3 15.Ng3 Qg3 16.Kf1 e5+=) 13...Nc6 14.Qe2 (14.ed6 Bd6 15.Bd6 Qd6+=) 14...de5-/+ 15.de5 Rb8 16.Nd2 b5 17.0-0 (17.Be4 Bb7-/+ (17...Ne5?? 18.Be5 Bd6 19.Bg7+-)) 17...Bc5 (17...Nf5 18.Bf5 ef5 19.Rfe1-/+) 18.Kh1 Ne7 19.Nde4 Nhf5 (19...Nd5!? 20.Qd2 Nf4 21.Qf4 f5 22.Nc5 Qc5+=) 20.Nc5= Qc5 21.Ne4 Qc7 22.Nd6 Kf8 23.Rfd1 (23.c4 Ng6 24.Qd2 bc4=) 23...Nh4+= (worse is 23...Qc3 24.Bf5 ef5 25.Nb5 Qa1 26.Ra1 Rb5 27.Qc2+/-) 24.Bg5 Nhf5 25.Bf5 ef5 26.Nc8 Qc8 27.Rd6 (27.Qe3 Ra8+=) 27...Qc3-/+ 28.Qd1 Re8 29.Rc1? Qe5-+ 30.Qd2 Ng6 31.f4 Qe3?? 32.Qe3+- Re3 33.Rc8 Re8 34.Rdd8 f6+- 35.Re8 Kf7 36.Rh8 Nh8 37.Rh8 fg5 38.Ra8 Ke6? 39.Ra6 Kd5 40.fg5 b4 41.Rg6 b3 42.Rg7 1–0. Hrabinska,M (2225) – Bolon,K (2045), Breizh Masters Women, Guingamp FRA, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 a6)

    4.Nf3 b3

    5.cb3 Nc6 6.d4 Nf6 7.Bd3 d6 (7...Qa5 8.Bd2 Qb6 9.Be3 Qa5 10.Nbd2+=) 8.0-0 Be7 9.b4 0-0 10.Qe2 Bd7 11.e5 de5 12.de5 Nd5 13.Qe4 g6 (13...f5 14.ef6 Nf6 15.Qe2+=) 14.Bh6 Re8 15.h4 (better 15.Rd1+/-) 15...Ncb4? (better 15...f5 16.ef6 Nf6+=) 16.ab4+- Nb4 17.Bc4 (17.Be2!?+-) 17...Bc6+/- 18.Qg4 Bf3 19.Qf3 (worse 19.gf3 Nc6 20.Re1 Qd4=) 19...Qd4 20.Na3 Qh4 21.Bf4 a6 (21...Nc6!?+/-) 22.g3 Qh3 23.Rfd1 (23.Qb7!? Qf5 24.Rfd1+/-) 23...g5+/- 24.Be3 b5? (24...Nc6 25.Qe4+=) 25.Bf1?? (25.Nb5 Rac8 26.Nd6 Bd6 27.Bf1+- (27.Rd6?! Rc4 28.Bg5 Qf5 29.Qf5 ef5=; 27.ed6 Rc4 28.d7 Rd8 29.Bg5 f6 30.Bf6 Kf7 31.Bd8 Qf5 32.Qf5 ef5 33.Ra6 Na6+-)) 25...Qf5+= 26.Qf5 ef5 27.Rac1 (27.Rd7 Rac8+=) 27...Rad8= 28.Rd8 Rd8 (worse 28...Bd8 29.Rc8 Rf8 30.Bc5+-) 29.Nc2 Nd3 (29...Nd5=) 30.Rd1 (better 30.Bd3 Rd3 31.Nd4+/-) 30...Ne5=+ 31.Ra1 Ng6 (31...b4!? 32.Ne1 b3=+) 32.Ra6= f4 33.Bb6 Rd2 34.Ra8 Kg7 35.Nd4 fg3 36.fg3 Ne5 (36...b4 37.Nf5 Kf6+/-) 37.Nf5 (better 37.Bb5!? Bf6 38.Kf1+/-) 37...Kf6= 38.Ne7?? (better 38.Nd4 Kg7 39.Bb5+/- (39.Nb5?? Nf3 40.Kh1 Rh2)) 38...Nf3 39.Kh1 Rh2 0-1. Novikova,Galina (2070) - Aldokhin,I (2410), Titled Tuesday 6th July, 2021. (=1.e4 B40: Sicilian: 2...e6, Unusual lines 1...c5 2.Nf3 e6 3.b4 cb4 4.a3 b3)

    5.c4 Nf6 6.Nc3 d6 7.Qb3 Nc6 8.d4 e5 9.d5 Na5 10.Qc2 ½–½. Drazic,S (2465) – Martorelli,A (2230), Vukovar CRO, ZANOS IM, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 b3)

    5.cb3 d5

    6.Bd3 de4 7.Be4 Nf6 8.Bc2 Nc6 9.Bb2 Be7 10.0-0 0-0 11.Re1 Nd5 12.Nc3 Nf4 13.Ne4 Nd3 14.Bd3 Qd3 15.Re3 Qd8 16.Rc1 Bd7 17.h4 Rc8 (worse 17...Bh4 18.Nh4 Qh4 19.Nf6 gf6 20.Rc4+-) 18.h5 h6 19.Nh2 f5 20.Nc5 Bf6 (better 20...Bc5!? 21.Rc5 Qe7=) 21.Bf6+/- (21.Nd7?! Qd7 (21...Bb2 22.Nf8 Bc1 23.Ne6 Qd2 24.Qd2 Bd2 25.Rd3=) 22.Bf6 Rf6=) 21...Rf6 22.Nf3 Qe7 23.Nb7 Be8 24.Na5 Qa3 25.Nc6 Rc6 (25...Bc6? 26.Rec3 Qd6 27.Qe2+-) 26.Nd4?? (better 26.Rc6 Bc6 27.Ne5=) 26...Rc8 (26...Rc1 27.Qe1-+) 27.Nf3 (better 27.Rc8 Qe7 28.Qe2+-) 27...Rc6 (better 27...Rc1 28.Qc1 Qc1 29.Re1 Qb2-+) 28.Ra1 Qe7 (28...Qb2 A) 29.Ra7?? Rc1 (29...Bh5?! 30.Re1=+) 30.Qc1 Qc1 31.Re1 Qb2-+; B) 29.Ne1=) 29.Nd4 (29.Ne5!? Rd6 30.Nc4+=) 29...Rd6= 30.Nb5?? (better 30.Nc2=) 30...Bb5-+ 31.Ra5 Bc6 32.Qa1 Rd7 (32...Rf7 33.d4-+) 33.Qe5 (33.d4 Bd5-+) 33...Qd6 (33...Rd2!? 34.Re2 Re2 35.Qe2-+) 34.Qc3 (34.Qd6 Rd6 35.Ra6 f4-+) 34...Rf8 (34...Bd5 35.b4-+) 35.Ra6 Rc7 (35...Rc8 36.Re5-+) 36.Qa5?? (better 36.Rd3 Qe7 37.Rc6=) 36...Qd5 37.Qa3 (37.Qd5 Bd5 38.Rc3 Rc3 39.dc3 Bb3 40.Ra3-+) 37…Qg2 0-1. Aflalo,S (2155) - Msellek,I (2315), Mahfoud Boudiba Mem Inv, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 b3)

    6.e5 Nc6 7.d4 Bd7 8.Bd3 Qb6 9.Be3 Nh6 10.Nc3 Na5 (10...Ng4!?+=) 11.b4+/- Nc6 (11...Rc8 12.Bh6 Rc3 13.ba5+/-) 12.0-0 Be7 (12...Ng4 13.Na4 Qc7 14.Bd2+/-) 13.Rc1 (13.Na4 Qc7+-) 13...0-0 (13...Ng4 14.Na4 Qd8 15.Bf4+-) 14.Qc2 (14.Bh6 gh6 15.Na4 Qd8+-) 14...Rac8 15.Bh7 Kh8 16.Bd3 Ng4 17.Qe2 Ne3 18.fe3 g6 19.Qf2 Kg7 20.Na4 Qd8 21.Nc5 Rc7 22.Qg3 Bc8 23.h4 (23.Rc2 b6 24.Na4 Bd7+-) 23...b6 24.Nb3 Rh8 (24...a5 25.b5 Na7 26.a4+-) 25.Ng5 (25.b5!? Nb8 26.Rc7 Qc7+-) 25...Bg5 26.hg5 (worse 26.Qg5 Qg5 27.hg5 a6+-) 26...Ne7 27.Qf2 Ng8 28.Qf4 Re7 29.g4 (29.Rf2 Rc7+-) 29...Bd7 (29...Qe8 30.Nd2+/-) 30.Kg2 (30.b5 Rh7+-) 30...Be8 31.Rh1 (31.Ba6!? Rc7 32.Rc7 Qc7 33.Rc1+/-) 31...Rh1+= 32.Rh1 Rc7 33.Nd2 (33.Nc1 Rc3+=) 33...Rc3= 34.Bb1 (34.Be2 Ra3 35.Nf1 Ra2=+) 34...Ra3=+ 35.Nf3 (35.Rh4 Bb5=+) 35...Rb3-/+ 36.Nh4 (36.Rc1 Rb4 37.Kf2 Rb2 38.Ke1 Bb5-/+) 36...Rb4 (36...Rb2 37.Kg3 Bb5-/+) 37.Nf5? (better 37.Rf1-/+) 37...ef5-+ 38.gf5 gf5 (better 38...Rb2 39.Kf3 Qc7-+) 39.Bf5-/+ Bd7?? (39...Rb2 40.Kf3 Qc7 41.Rh7 Kf8=) 40.Rh7+- Kf8 41.g6 Rb2 42.Kf3 Nf6 (42...f6 43.Bd7 Qe7+-) 43.Rf7 (43.Qh6 Ke7 44.Rf7 Ke8 45.Qf8) 43...Kg8 (43...Ke8 44.ef6 Rf2 45.Kf2 Qc8 46.Rf8 Kf8 47.Qh6 Kg8 48.Qg7) 44.Qh6 Rc2 (44...Rf2 45.Kf2 Ng4 46.Bg4 Qf6 47.ef6 Bg4 48.Qg7) 45.Qg7 1-0. Bernadskiy,V (2625) - Jobava,Ba (2600), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 b3)

    6.e5 Ne7 7.Bb2 A) 7...Ng6 A1) 8.d4 Nc6 (8...Be7 9.Bd3 Nf4 10.0-0 Nd3 11.Qd3 Bd7 12.Nc3 0-0 13.Rac1 Qb6; 8...Bd7 9.Bd3 Nf4 10.0-0 Nd3 11.Qd3 Be7 12.Nc3 0-0 13.Bc1 h6) 9.Nc3 Be7 10.Bd3 0-0 11.0-0 Bd7 12.Rc1 Na5 13.Re1 Qb6; A2) 8.Bb5 Bd7 (8...Nc6 9.0-0 Bd7 10.Qe2 Qb6 11.b4 Nge5 12.Ne5 Ne5 13.Bd7 Nd7) 9.Nc3 Nc6 10.d4 Be7 11.0-0 0-0 12.Rc1 Rc8 13.Re1 a6; A3) 8.Nc3 Be7 9.Bb5 Nc6 10.0-0 0-0 11.Qe2 Bd7 12.g3 a6 13.Bd3 d4; B) 7...Nbc6 8.Nc3 (8.Bd3 Ng6 9.0-0 Be7 10.Re1 0-0 11.Nc3 f6 12.ef6 Bf6 13.Bg6 hg6) 8...Ng6 9.d4 Be7 10.Bd3 0-0 11.0-0 Bd7 12.Rc1 Nf4 13.Bc2 Rc8.

    6.e5 Ne7 7.Nc3 Nbc6 8.Bb2 Ng6 9.d4 Be7 10.Bd3 0-0 11.0-0 Bd7 12.Nb5 Nf4 13.Bc1 Nd3.

    6.e5 Ne7 7.d4 b6 8.Nc3 Nec6 (8...Nbc6 9.Bb5 a6 10.Be2 Nf5 11.0-0 Be7 12.g4 Nh4 13.Nh4 Bh4) 9.Bd3 Ba6 10.Nb5 Bb5 11.Bb5 a6 (11...Be7 12.0-0 0-0 13.Bf4 Qc7) 12.Bd3 Be7 (12...Nd7 13.0-0 b5) 13.0-0 Nd7 (13...0-0 14.Qc2 h6 15.Be3+=; 13...Qc7+/-) 14.Bb1 (14.Qc2 Qc7+/-) 14...b5+= 15.Qd3 Nb6 (15...b4 16.Bb2+=) 16.Ra2 h6 17.Ne1 Rc8 18.Rc2 Na7 (18...Rc7 19.Nf3+=) 19.f4 Rc2 20.Nc2 Qd7 21.f5 ef5 22.Rf5 Qe6 23.Rf3 a5 (23...Nc6 24.Rg3+/-) 24.Ne3 g6 25.Bd2 a4 (25...Nd7!?+/-) 26.Ba5+- Nd7 (26...Bg5 27.Bb6 Be3 28.Re3 Qb6 29.ba4+/-) 27.ba4 Nc6 (27...Qc6 28.Ba2 Qc1 29.Qf1 Qf1 30.Kf1+-) 28.Bc3 (28.Qb5 Nd4 29.Qd5 Nf3 30.Qf3 0-0-/+) 28...ba4 29.Ba2 Nb6 (29...Nd8 30.Nd5 Qc6 31.Ne7 Ke7 32.d5 Qb6 33.Bd4+-) 30.Qb5 0-0 31.Nd5 (31.Qb6?! Ne5 32.Nd5 Nf3 33.gf3 Qb6 34.Nb6 Ba3 35.Na4 Rc8+-) 31...Nd5 32.Bd5 (32.Qd5?! Nd8+-) 32...Na7 (32...Nd4 33.Bd4 Qg4+-) 33.Qb7 (33.Qb7 Qd5 34.Qd5+- (34.Qe7?! Nb5 35.Qb4 Rd8+/-; 34.Qa7?! Ba3 35.Qa4 Ra8+/-); 33.Be6?! Nb5 34.Bd7 Nc3 35.Rc3 Rd8 36.Ba4 Rd4+/-; 33.Qa4?! Qd5 34.Qa7 Rc8+-) 1–0. Chulivska,Vita (2260) – Meshcheriakova,E (2190), 6th ch–EURw, Chisinau MDA, 2005.(= 1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 b3)

    4.Nf3 b6

    5.ab4 Bb7 6.e5 (6.b5 Be4 7.Nc3 Qf6+=) 6...Bb4+= 7.c3 Be7 8.Na3 Nh6 9.d4 Nf5 10.Bd3 d6 11.0-0 0-0 12.ed6 Nd6 13.c4 Nd7 14.Bb2 (14.Re1 Ne8+=) 14...Bf6 15.Re1 a6 16.Qe2 Re8 17.Rad1 Nf5 18.Nc2 g6 19.Ne5 Bg7 20.f4 Rc8 21.Qf2 Qc7 22.Nb4 a5 23.Nc2 Ba6 24.Na3 Bf8 25.g4 (25.Rc1 Bb4 26.Red1 f6+=) 25...Ne5 (25...Nd4 26.Nd7 Qd7 27.Bd4 Ba3 28.Bb6-/+) 26.fe5+= Nd4 27.Bd4 Ba3 28.Bb6 Qb6! 29.Qb6 Bc5 30.Qc5 Rc5 31.Ra1 Rd8 32.Re3 Rd4 33.h3 Bc4 34.Rc1 a4 35.Bf1 Rc6 36.Rec3-/+ Bf1 37.Rc6 Bh3 38.Rc8 Kg7 39.g5 Bf5 40.R1c4 Rd3 41.Kf2+= Rd2 42.Kf3 Rd3 43.Kf2 Rd2 44.Kf3 Rd3 ½–½. Sivuk,V (2445) – Pavlov,S2 (2520), 6th Geller Memorial Open A, Odessa UKR, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 b6)

    5.ab4 Bb7 6.e5 Bb4 7.c3 Be7 8.d4 d6 9.Bd3 Nd7 10.Bf4 de5 11.de5 Nh6 12.0-0 g5 13.Bc1 Ng4 14.Ra4 (14.Bb5 a6 15.Bd7 Qd7+=) 14...Nde5 (14...Nge5 15.Ne5 Ne5 16.Bb5 Nc6 17.Qe2-+) 15.Bb5 (better is 15.Rd4!? Qc7 16.Rg4 Ng4 17.Qa4 Bc6 18.Qg4=) 15...Kf8-/+ 16.Rd4 Qc7 17.Ng5 Bg5 18.f4 h5 (18...Rg8 19.Re1-+) 19.Ba3 Be7 20.Be7 Qe7 (worse is 20...Ke7 21.fe5 Qc5 22.Qa4-+) 21.fe5 Ne3 (21...Bg2 22.Rff4 Qh4 23.Rg4 (23.Kg2?? Qh2 24.Kf1 Ne3 25.Ke1 Nd1 26.Kd1 Rg8-+) 23...hg4 24.Kg2 Qh2 25.Kf1 Qh3 26.Kf2 g3 27.Ke2 Qh2 28.Ke3 Qf2 29.Kd3-+) 22.Qe2? (22.Qd2!? Nf1 23.Kf1-+) 22...Nf1 (22...Bg2 23.Qe3 Bf1 24.Bf1 Rg8 25.Kf2=) 23.Kf1 Rd8 24.Qd2 Rd4 25.Qd4? (25.cd4 a6 26.Bd3-+) 25...Qg5 26.g3 Kg7 (26...Kg7 27.Qf4 Qf4 28.gf4 f6 29.ef6 Kf6-+) 0–1. Buono,Michele (2170) – Horvath,Csaba (2555), Bratto op–A, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 b6)

    5.Bc4 Bb7 6.Qe2 Nf6 7.e5 Nd5 8.d4 Be7 9.0-0 0-0 10.Qe4 Qc7 11.Bd3 f5 12.ef6 Nf6 13.Qh4 Ba6 14.ab4 Bd3 15.cd3 Nd5 16.Qg4 Nb4 17.Bh6 Bf6 18.Rc1 Qd8 19.Na3 N8c6 20.Nc4 Kh8 21.Be3 Nd3 22.Rc3 Ndb4 23.Nce5 Ne5 24.Ne5 Be5 25.de5 Nd5 26.Bg5? Qe8 27.Rh3 Qg6 28.Qh4 Rf5 29.Rg3? Qf7 30.f3? a5 31.Rh3 g6 32.Rd1 a4 33.Rd4?! a3 34.Bc1 Rh5 35.Qe4 Rh3 36.gh3 a2 37.Bb2 a1Q 38.Ba1 Ra1 39.Kg2 Qf5 40.Qf5 gf5 (40...ef5?! 41.Rd5 Ra5 42.Rd7 Re5 43.Kg3-/+) 0–1. Dunne,Paul – Hampton,Christopher, Southend op London, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.d4 Nf6 6.Bd3 Bb7 7.Bg5 Qc7 8.Bf6 gf6 9.0-0 Nc6 10.Re1 Rg8 11.Qe2 Bh6 12.Nbd2 Qf4 13.Nc4 0-0-0?? (better is 13...ba3!? 14.c3 f5-/+) 14.Ne3 (14.ab4!? d5 15.ed5 Nd4 16.Nd4 Qd4 17.Ra7 Bd5 18.Ne3 Be3 19.fe3+/-) 14...Kb8 15.d5 Ne5 16.Ne5 Qe5 17.ab4 Be3 18.Qe3 f5 19.f4 Qg7 20.Qf3?? (better is 20.g3+=) 20...fe4-+ 21.Be4 f5 22.Qa3 fe4 23.Qa7 Kc8 24.Re2 Bd5 (better is 24...Qd4 25.Kh1 Bd5-+) 25.Qb6?? (25.Rd1 e3 26.g3-+) 25...Qa1 26.Kf2 e3! 27.Ke3 (27.Qe3 Rg2 Mate attack; 27.Re3 Rg2 Mate attack; 27.Ke3 Qc3 Mate attack) 27...Qc3 28.Kf2 Rg2 29.Kf1 Qf3 30.Ke1 Qe2 0–1. Laflamme,Simon (1995) – Filiatrault,Alexandre (1735), Quebec Festival II, 2005. (=1.e4 c5 2.b4 cb4 3.a3 e6)

    5.d4 Nf6 6.e5 Nd5 7.ab4 Bb4 8.Bd2 Bd2 9.Nbd2 0-0 10.Ne4 a5 11.c4 Nb4 12.Ra3 (12.Nd6!?=) 12...Bb7 13.d5 (better 13.Bd3!?=+) 13...ed5-+ 14.Nd6 Ba6 ½-½. Bernadskiy,V (2590) - Moiseenko,A1 (2620), 88th ch-UKR, 2019. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 b6)

    4.Nf3 Nc6

    5.a4 d5 6.ed5 ed5 7.Bb2 Bg4 8.Be2 Nf6 9.0-0 Bc5 10.d4 Bb6 11.h3 Bf5 12.Bd3 Be4 13.Bb5 0-0 14.Nbd2 Rc8 15.c3 bc3 16.Bc3 a6 17.Be2 Re8 18.Re1 Bf3 19.Nf3 Ne4 20.Bb2 Ba5 21.Rf1 Bc3 22.Qb3 Na5 23.Qa3 Qb6 24.Rab1 Bb4 25.Qd3 Qc6 26.Bd1 Qd6 27.Bc2 f6 28.Rfc1 Nc4 29.Rd1 a5 30.Bb3 Qc6 31.Rf1 Qd7 32.Rfd1 Kh8 33.Bc2 Re6 34.Bb3 Rec6 35.Ba1 Na3 36.Rb2 R6c7 1–0. Mecking,Peter (1955) – Hassim,Unes (2230), IECG, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.Bb2 ba3 6.Na3 d5 (6...Nf6 7.e5 Ne4 8.Nb5+=) 7.ed5 ed5 8.Bb5 Nf6 9.0-0 Be7 10.Ne5 Bd7 (10...Qc7 11.Re1+=) 11.Re1 (11.Nd7 Qd7 12.Bf6 Bf6 13.Re1 Kd8+=) 11...0-0 12.Qf3? (better is 12.Nd7!? Qd7 13.Nb1-/+) 12...Ba3-+ 13.Nc6 (13.Ba3 Ne5 14.Re5 Bb5 15.Bf8 Qf8-+) 13...bc6 (13...Bc6?! 14.Bf6 Qf6 15.Qf6 gf6 16.Bc6 bc6 17.Ra3+=) 14.Ba3 cb5 15.Bf8 (15.Be7 Qc7 16.Bf8 Kf8-+) 15...Qf8 16.Ra6 (16.d4 a5-+) 16...Bc8 (16...Qc5 17.c3-+) 17.Rc6 (17.Rf6 gf6 18.Qd5 Rb8-+) 17...Be6 18.Ra1 (18.Qd3 a5-+) 18...a5 19.Ra3 (19.Qf4-+) 19...Bg4 20.Qd3 Qe8 (better is 20...Bf5! 21.Qf5 Qa3 22.h3-+) 21.Qb5 Bd7 0–1. Moosbrugger,Al (1630) – Purtscher,Thomas (1840), AUT–chT9596 Vorarlberg, 1996. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.Bb2 d5 6.ed5 Qd5 7.c4 Qd8 8.d4 Nf6 9.g3 ba3 10.Ba3 Qa5 11.Nfd2? (11.Ke2 Bb4-/+) 11...Bb4 12.Bg2 0-0 13.0-0 Nd4 14.Nb3 Nb3 15.Qb3 Ba3 16.Na3 Qc5 17.Rfd1 Rb8 18.Nb5 a6 19.Nd6 Qc7 20.Qb4 Nd7 21.Ne4 b6 22.Qe7 Qd8 (worse is 22...Qc4 23.Nd6 Qc5 24.Nc8 Rfc8 25.Qd7+=) 23.Qd6 Re8 24.c5 Qe7?? (better is 24...bc5 25.Nc5 Rb6=) 25.c6+- Qd6? (25...f5 26.cd7 Bd7 27.Qd7 fe4 28.Qe7 Re7 29.Ra6 e3+-) 26.Nd6 (26.Rd6?! Ne5 27.Nc3 b5+=) 26...Nf6 (26...Rf8 27.Nc8 Rbc8 28.Rd7 a5+-) 27.Ne8 Ne8 28.Rd8 (28.Rd8 Kf8 29.c7+-) 1–0. Balvanyos,Istvan (2100) – Trajber,Csaba (2080), HUN–chT2 Erkel, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.Bb2 d6 6.Bb5 (6.ab4 Nb4 7.h3 a6-/+) 6...Bd7 7.Qe2 (7.d3 Nge7+=) 7...a6 (better is 7...Rc8!?-/+) 8.Bc6= Bc6 9.ab4 Nf6 10.d3 (10.Nc3=) 10...b5 (10...d5 11.e5 Nd7+= (11...Bb4 12.c3 Nh5 13.Nd4+/-)) 11.0-0 Be7 12.Nbd2 0-0 13.Nd4 Qc7 14.f4 (14.c4 Bd7+=) 14...Nd7 (14...d5 15.e5 (worse is 15.Nc6 Qc6 16.e5 Qb6 17.Kh1 Nd7=) 15...Ne8 16.f5+= (16.Nc6?! Qc6 17.c3 g6=)) 15.f5 (15.c4 h6+=) 15...e5= 16.N4f3 Rfe8 17.h3 (17.c4 Reb8=) 17...Bf8 (17...d5 18.ed5 Qb6 19.Kh1 Bd5 20.c3= (worse is 20.Ne5 Ne5 21.Qe5 Bg2 22.Kg2 Bf6-/+; 20.Be5?? Bb4 21.d4 f6-+)) 18.c4 (18.Ba3 Qa7 19.Kh2 d5=) 18...Qb6 (18...bc4 19.Rfc1 cd3 20.Qd3-/+) 19.Kh2 (19.Kh1!?+=) 19...bc4= 20.Nc4 Qb4 21.Rfb1 Qc5 (better is 21...Qb8 22.Ba3 Bb5+=) 22.Ba3+/- Qa7 23.Bd6 (23.Nd6?! Bd6 24.Bd6 a5=) 23...f6 24.Qa2 Kh8 25.h4 (25.Rc1!?+/-) 25...Nc5+= 26.Rb6 Bb7 (26...Ba4!?+= is interesting) 27.Rab1 h6?? (better is 27...Bc8+/-) 28.Bc5+- Bc5 (28...Bc8 29.Re6 Be6 30.Ba7 Bc4 31.dc4 Ra7+-) 29.Rb7 1–0. Pfeffer,Marko (2190) – Paassen,Klaus, Fechenheim CC–ch, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.Bb2 Nf6 6.e5 Nd5 7.Bc4 Nb6 8.Qe2 Nc4 9.Qc4 Be7 10.0-0 0-0 11.ab4 Nb4 12.Ba3 Nc6 13.Nc3 d5 14.ed6 Bd6 15.Bd6 Qd6 16.Nb5 Qe7 17.Rfb1 e5 18.Qe4 f5 19.Qc4 Be6 20.Qh4 Rf6 21.Qa4 Bd5 22.Qa3 Qd8 23.Qc3 Rg6 24.Kf1? (better is 24.Qa3-/+) 24...a6-+ 25.Qa3 Rc8 (25...ab5 26.Qa8 Qa8 27.Ra8 Kf7 28.Ne1+/-) 26.Nc3 Bf3 27.gf3 Nd4 28.Ne2 Qh4 (28...Rc2?! 29.Nd4 Qd4 30.Qb3 Qc4 31.Qc4 Rc4 32.Rb7-+) 29.Nd4 Qh3 30.Ke2 ed4 31.Qb3 Kh8 32.Qf7 f4 33.Rg1?? (33.Qd5-+) 33...d3! 34.cd3 0–1. Engelbrecht,Imre (1780) – Revesz,Kinga (1985), Budapest FS12 Elo–B, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6)

    5.ab4 Nb4 6.c3 Nc6 7.d4 d5 8.e5 Bd7 9.Bd3 Nge7 10.Ba3 Ng6 11.Bf8 Kf8 12.g3 Nge7 13.Na3 a6 14.h4 h6 15.h5 b5 16.Nc2 a5 17.0-0 Nf5 18.Bf5 ef5 19.Ne3 Ne7 20.Qb3 Bc6 21.Qa3 Qd7 22.e6 Qe6 23.Rfe1 Qf6 24.Ne5 Kg8 25.Nc6 Nc6 26.Nd5 Qd8 27.Qc5 Rc8 28.Qb5 Kh7 29.Nf4 (29.Nb6 Rc7+-) 29...Re8 30.Qf5 Kg8 31.Nd3 Re1 32.Re1 Ne7?? (better 32...a4+-) 33.Re7!+- (33.Re7 Qe7 34.Qc8 Qf8 35.Qd7+-) 1–0. Johansson,Robin (2280) – Ekelund,Peter (2150), SWE–chT2, 2008. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6)

    5.ab4 Nb4 6.c3 Nc6 7.d4 d5 8.e5 f6 9.Ba3 Ba3 10.Na3 Nh6 11.Bd3 Bd7 12.0-0 a6 13.ef6 Qf6 14.Qb1 Rb8 15.Re1 g6 16.Re2 0-0 17.Nc2 Nf7 18.Qe1 Rbe8 19.Ne3 Ng5 20.Ng5 Qg5 21.Qb1 Bc8 22.Qa2 b5 23.Rc1 Rd8 24.Nc2?? (24.Rce1 Qf4+=) 24...Rf7 (better is 24...Qc1 25.Re1 Qd2-+) 25.Nb4?? (25.Rce1 Rdf8+=) 25...Nb8 (better is 25...Qc1 26.Re1 Qe1 27.Bf1 Nb4 28.cb4 Qb4-+) 26.Re3 (26.Ra1!?+=) 26...Rdf8-/+ 27.Rg3?? (27.g3 Rf2 28.Qf2 Rf2 29.Kf2 Qd8-/+) 27...Qf4 (27...Qc1 28.Bf1 Rf2 29.Qf2 Rf2 30.Kf2-+) 28.f3?? (28.Rf1 Rf6+=) 28...Qc7 (better is 28...Qc1 29.Bf1 Qc3-+) 29.Qc2 Rf6 30.h4?? Qg3-+ (30...Qg3 31.Be2 Qh4-+) 0–1. Konstacky,Matej (2025) – Jakubiec,Edyta (2210), CZE–chT2f, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6)

    5.Bc4 ba3 6.Na3 d6 7.0-0 Nf6 8.d3 Be7 9.Bb2 0-0 10.Qe2 Bd7 11.Kh1 a6 12.Ng5 h6 13.Nf3 d5 14.Bb3 de4 15.de4 Qc7 16.Nc4 Rfd8 17.Nfe5 (17.Rfd1!?-/+) 17...b5-+ 18.Nc6 Qc6 19.Nd2 a5 20.Rac1 (20.e5!? Ne8 21.c4-+) 20...a4-+ 21.Ba2 Bc8 22.Bb1 (22.Rfd1 Bb7 23.f3 Ba6-+) 22...a3 23.Bf6 Bf6 (23...gf6?! 24.Ba2-+) 24.Ba2 Bb7 0–1. Clifford,Neil (1850) – Chalmeta Ugas,Ramon (2280), Barcelona ESP, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.Bc4 a6 6.ab4 Bb4 7.c3 Be7 8.0-0 d5 9.ed5 ed5 10.Bb3 Nf6 11.Re1 0-0 12.d4 Bf5 13.Na3 Re8 14.c4 dc4 15.Nc4 Bb4 16.Re8 Qe8 17.Bd2 Bd2 18.Nd6 Qd7 19.Nf7 Be6 20.Be6? (better is 20.N7e5 Bb3 21.Qb3 Qd5 22.Nd2 Nd4 23.Qd5 Nd5 24.Kf1-+) 20...Qe6 21.N7g5 Bg5 22.Ng5 Qd5 (22...Qd5 23.Nf3 b5-+) 0–1. Lang,Gusztav Jr – Csata,Marcell, Szombathely op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.d4 ba3 6.c3 Nf6 (6...d5 7.e5=+) 7.Bd3 h6 (7...d5 8.e5 Ne4 9.0-0=+) 8.0-0 (8.e5 Nd5=) 8...a6 (8...d5 9.e5 Ne4 10.Ba3 Ba3 11.Ra3=) 9.Na3 (9.Ba3 Ba3 10.Na3 d6=) 9...Rb8 (9...d5 10.ed5 Nd5 11.c4=) 10.Re1 (10.Bf4 Ra8=) 10...Be7 (10...d6 11.d5 Ne5 12.Ne5 de5 13.Nc4=) 11.Bc2 (11.Bf4 Ra8=) 11...b5 (11...d6!?=) 12.d5+= Na7 (12...Na5 13.d6 Bf8=) 13.Qd4 (13.d6 Bf8+=) 13...Qb6 (13...Qc7 14.Bf4 Qf4 15.Qa7=) 14.Be3 (14.Qb6 Rb6 15.Be3 Rb7+=) 14...Qd4= 15.Bd4 (worse 15.Nd4 Ng4-/+) 15...Rb7 (15...Ba3!? 16.Ra3 Ra8=) 16.Nb1+= ed5? (better 16...Rc7!?+=) 17.ed5+- (17.Ra6?! de4 18.Be4 Ne4 19.Re4 Nc6 20.Bg7 Rh7+=) 17...b4? (17...Nd5 18.Be4 Nc3 19.Nc3 Nc6 20.Bg7 Rg8 21.Bh6 b4+-) 18.d6 Nc6 19.de7 (19.Bf6 gf6 20.Ra6 Kf8 21.de7 Ne7 22.cb4 Rb4 23.Rf6 d5+-) 19...Nd4? (19...b3 20.Bd1 Rb8+-) 20.Nd4 (20.cd4?! Rb6+-) 20...bc3 (20...Rb6 21.cb4 Nd5+-) 21.Nf5 Rg8 (21...d5 22.Ba4 Rb5 23.Ng7 Kd7 24.Nc3 Kd6 25.Bb5 ab5 26.Nb5 Kc6+-) 22.Nd6 1–0. Kravtchenko,Vladimir G (1955) – Hoose,Hannelore (1745), 16th European Senior Championship, 2016. (=1.e4 e6 2.Nf3 c5 3.a3 Nc6 4.b4 cb4)

    5.d4 d5 6.ed5=+ ed5 7.Bb5 Nf6 8.Ne5 Bd7 9.Qe2?? Ne5?? 10.de5= Bb5 11.Qb5 Qd7 12.Qd7 Nd7-/+ 13.0-0 ba3 14.Na3 Rc8 15.Bf4 a6 16.Rfd1 Ba3 17.Ra3=+ Rc2 18.Rd5 Nb6 19.Rd1 0-0 20.g3 Rb2 21.Rad3 h6 22.Be3 Nc4-/+ 23.Bc5 Re8 24.f4-/+ Rb5 25.Rd8=+ Rd8 26.Rd8 Kh7 27.Bd6 Rd5-/+ 28.h4 h5 29.Rd7 f6 30.Rb7 Nd6 31.ed6 Rd6 32.Ra7 Kh6 33.Kf2 g5 34.hg5 fg5 35.fg5 Kg5 36.Rg7 Rg6 37.Rd7 Re6 38.Rd5= Kg4 39.Rd4 Kf5 40.Rh4 Kg6 41.g4 hg4 42.Rg4 Kf6 43.Rf4 Ke7 44.Kf3 Kd6 45.Re4= Rh6 46.Ra4 Kc5=+ 47.Ke3 Rd6-/+ 48.Ra3? Kb4-+ 49.Ra1 a5 50.Rb1 Kc3 51.Rc1 Kb2 52.Rc4 Kb3 53.Rc8 a4 54.Rb8 Ka2 55.Ra8 a3 56.Ra4 Kb3 57.Ra8 a2 58.Rb8 Kc3 59.Rc8 Kb4 60.Rb8?? Ka5 0–1. grashleigh (2175) – cavalierblanc (2175), net–chess.com, 2008.

    5.d4 d5 6.e5 Nge7 7.ab4 Nb4 8.Ba3 Nbc6 9.h4 Bd7 10.h5 h6 11.Bd3= Na5 12.Nbd2 Nec6 13.Bf8 Kf8 14.c3 b6 15.Nh4 Rc8 16.Qf3 Kg8 17.g4 Be8 18.Qe3 f6 19.ef6= Qf6 20.f4 Nd8 21.Ba6 Rc7 22.Ndf3 g5? 23.fg5+- hg5 24.Ng2 Nf7+= 25.0-0 Qe7= 26.Rae1 Rh6 27.Be2 Nc4 28.Bc4 Rc4 29.Ne5 Ne5 30.Qe5 Rc3 31.Ne3 Qg7? 32.Qb8 Qd7+/- 33.Nd5 Rc2 34.Rf6 Rc8 35.Rh6 ed5 36.Qg3 Rc4? 37.Rhe6 Bf7 38.Re7 Qd8 39.Qe5 (39.Qe5 Qf8 40.Qg5 Kh8 41.Qf6 Kg8 42.h6+-; 39.Ra7?! Rd4 40.Re5 b5+-) 1–0. Zemtsov,I (2360) – Voitsekhovsky,S (2490), 28th Nezhmetdinov mem, 2006.

    5.d4 Nf6 6.e5 Nd5 7.ab4 Bb4 8.Bd2 Be7 9.c4 Nc7 10.Bd3 h6 11.Nc3 d6 12.ed6 Bd6 13.0-0 Be7 14.Be3 0-0 15.Bb1 Nb4 16.Qd2 f5 17.Rd1 a5 18.d5 ed5 19.cd5 Bf6 20.Bd4 Bd4 (worse is 20...Ncd5 21.Bf6 Rf6 22.Nd5 Nd5 23.Ba2+/-) 21.Qd4 Qd6 22.Ne5 b6?? (better is 22...b5-/+) 23.Nc4+/- Qc5 24.Qc5 bc5 25.d6 (25.Ra5?! Ra5 26.Na5 Rd8+=) 25...Ne6 26.Nb6 Rb8 27.Nc4 Nc6 28.d7+/- Ba6 29.Na5 Na5 30.Ra5 Bc4 31.Bc2 g6 32.Na4 Rfd8 33.Nc5 Nc5 34.Rc5 Be6 35.Rc6 Kf7+= 36.Rcd6 Rg8?? 37.Re6 Ke6= 38.Bb3?? Ke7 39.Bg8= Rg8 40.f4 Rd8 41.Kf2 Rd7 42.Rd7 Kd7 43.Ke3 Ke6 44.Kd4 Kd6 45.h4 h5 46.g3 Ke6 47.Kc5 Ke7 48.Kd5 ½–½. Mazaira Alba,Javier I (1895) – Chao Franco,Jose Manuel, Ortigueira op 2nd, 2003. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6)

    5.Be2 Nf6 6.ab4 Ne4 7.b5 Qf6 8.d4 Bb4 9.Kf1 Ne7 (9...Nd8!?-/+) 10.Ra4= Nd5 11.Bd3 Ndc3 (better is 11...Nec3!? 12.Nc3 Nc3+/- (12...Bc3?? 13.Bg5+-)) 12.Nc3 Nc3 13.Qe1 Qe7 14.Rb4! Qb4 15.Bd2 Qb1 16.Bc3 Qe1 17.Ke1 a5 18.d5! a4 (18...ed5 19.Bg7 Discovered attack) 19.d6 f6 20.Nd2 a3 21.Nc4 a2 (21...b6 22.Nb6 Rb8 23.Nc8 Rc8 24.Kd2+-) 22.Kd2 0-0 23.Ra1 Ra4 24.Nb6 Ra7 25.Bd4 Kf7 26.Bc5 (26.Nc8?! Ra4 27.Nb6 Rd4 28.Ra2 Rd6+-) 26...g6 27.Nc8 Ra5 28.Nb6 Rd8 29.Kc3 f5 30.Kb4 Raa8 31.Na8 Ra8 32.Bc4 (32.Be2 e5 33.Bc4 Kf6 34.Ra2 Rb8+-) 32...Ke8 33.Ra2 Ra2 34.Ba2 g5 35.c4 Kd8 (35...h6+-) 36.Bb6 Ke8 37.c5 e5 38.c6! bc6 (38...bc6 39.bc6 Combination; 38...dc6 39.Be6 Combination) 39.bc6 dc6 40.Be6 (40.Be6 h5 41.d7 Ke7 42.d8Q Ke6 43.Qg8 Ke7 44.Kc5 f4 45.Bd8 Kd7 46.Qf7 Kd8 47.Kc6 f3 48.Qd7) 1–0. Faber,Hans_Alban (2450) – Teske,Heike (2215), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 Nc6)

    5.Be2 Nf6 6.e5 Nd5 7.0-0 Be7 8.ab4 Bb4 (8...Ndb4 9.c3 Nd5 10.d4+=) 9.d4= 0-0 10.c4 Nb6 11.Bd2 f6 12.Bb4 Nb4 13.Nc3 a5 14.Ne4 fe5 15.de5 (worse is 15.Ne5 d5 16.Nc5 dc4 17.Nc4 N6d5-/+) 15...Qc7 16.Nd6 Qc5 (16...a4 17.Ng5 Nc6 18.Qd3+=) 17.Qb1 a4 (17...Rf4 18.Qb2+=) 18.Ne4 (18.Qb2 Nc6 19.Rfb1 Rf3 20.gf3+- (20.Bf3?! Nc4 21.Nc4 Qc4+=; 20.Qb6?! Qb6 21.Rb6 Rf8=)) 18...Qa5= 19.Neg5 g6 20.Nh4 Qe5 21.Nh7 Rf7 22.Nf3 (22.Qg6?! Qg7 23.Qb1 N6d5 24.cd5 Nd5=) 22...Rf3 23.Bf3 Kh7 (better is 23...Nd3+-) 24.Qb4 Qc7 (24...Qa5 25.Qe7 Kg8+-) 25.c5 Nd5 26.Bd5 ed5 27.Qh4 Kg8 (27...Kg7 28.Rfe1 Qc5 29.Re7 Qe7 30.Qe7 Kh6 31.Qh4 Kg7 32.Re1 g5 33.Qg5 Kf8 34.Re7 a3 35.Qg7) 28.Rfe1 Qc5 (28...Qd8 29.Qd8 Kf7 30.Re7 Kf6 31.Re8 Kf5 32.h4 b5 33.Qg5) 29.Qf6 (29.Qf6 Qf8 30.Qg6 Kh8 31.Re5 Qf2 32.Kf2 b5 33.Re8; 29.Ra4?! Ra4 30.Qa4 d4+-) 1–0. Arnold,Lee (1885) – Jalyl,Ahmed Ali (1620), Swiss–85.3.05, 2001. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6)

    5.ab4 Bb4

    6.Ba3 Ba3 7.Ra3 d6 8.d4 +=.

    6.Ba3 Ba3 7.Na3 Nge7 8.Nb5 d6 9.d4 0-0 10.Bd3 Re8 11.0-0 Ng6 12.Qd2 a6 13.Ra3 Rb8 14.Nc3 b5 15.Ne2 Bb7 16.c3 Qe7 17.Nf4 Nf4 18.Qf4 d5 19.e5?? (better is 19.Rfa1+=) 19...Qa3-+ 20.Bh7 Kf8 21.Ng5 Re7 22.Bg6 Nd8 (22...Qc3 23.Bf7 Rc7 24.Ne6 Ke7 25.Bg6 (25.Nc7?! Qd4 26.Nd5 Kf8+=) 25...Ne5 26.de5 Qe5 27.Qe5 Rc6 28.Ng5 Kd7 29.Bf5 Re6 30.Qe6 Kc7 31.Rc1 Bc6 32.Qc6 Kd8 33.Qd7) 23.Qh4 Ke8 24.Qh8 Kd7 25.Bf7 Rc8 26.Bh5 Nf7 27.Qg7 Ng5 28.Qg5 Qc3 29.Bg4 b4 30.Qf6 Rc6 31.f4 b3 32.f5 Qd4 (32...Qd4 33.Kh1 Qg4-+) 0–1. Fernandez Ferrero,Alejandro – Estepa Fonseca,Omar, Aviles op, 1991. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4)

    6.Ba3 Nge7 7.Bb2 (7.Bb4 Nb4 8.Be2 Qc7+=) 7...0-0-/+ 8.c3 Ba5 9.d4 d6 10.Bd3 Ng6 (10...f5 11.Nbd2-/+) 11.g3 (11.Bc1 Qc7 12.0-0 e5+=) 11...e5-/+ 12.d5 Nb8 (12...Nce7 13.Ba3-/+) 13.h4 (13.Ba3 Bb6-/+) 13...Bg4 14.Nbd2 Nd7 (14...Bb6 15.h5 Ne7 16.Qb3-/+) 15.h5+= Ne7 16.Rh4 (16.Nc4!? Bb6 17.h6-/+) 16...Nc5 17.Bc2 (17.Be2 f5 18.ef5 Bf3 19.Nf3 Nf5 20.Rh2-/+) 17...Bf3 (better is 17...f5!?-+) 18.Qf3+= f6 19.Nc4 (19.Bc1 b5+=) 19...Bc7 20.Ne3 Qd7 (20...b5 21.Rh2-/+) 21.Qe2 (21.Qg4 Qg4 22.Rg4 a5+=) 21...b5 22.f4 (22.Qg4 Qd8+=) 22...Bb6-/+ 23.f5 (23.h6 g6-/+) 23...a5 (23...h6 24.Bc1-/+) 24.Kf1 (24.h6 g6+=) 24...b4 (24...a4 25.h6 g5 26.Rg4-/+) 25.Nc4 Bc7 26.cb4 ab4 27.Re1 (27.Ra8 Ra8 28.h6 b3-/+) 27...Nb7 (27...h6!?-/+) 28.h6+= g6 29.fg6 Ng6 30.Rh5 Na5 31.Ne3 Kh8 32.Kg2 Rg8 33.Kh2= Ne7 34.Rf1 Rg6 35.Bc1 Rag8 36.Rh3 Bb6 37.Ng2 Rf8 38.Qf3 Qg4 39.Qd3+= Qd7 40.Nh4 Rgg8+= 41.Bd1 Qc7 42.Bd2= Qc5 43.Ng2? Nc4 44.Bc1 Qd4 45.g4 Qd3 46.Rd3 Bc5 47.Kh3 Ra8 48.Be2 Ra2-/+ 49.Bd1 Ra1 50.Bb3 Na5 51.Re1 Nb3 52.Rb3-/+ Rga8 53.Bb2 Re1 54.Ne1+= Kg8 55.Rf3 Rf8 56.Nd3 Nc8 57.Bc1 Nb6 58.Bd2 Nc4 59.Bb4= Bb4 60.Nb4 Nd2 61.Re3 Kf7 62.Nc6 Ra8+= 63.Re2 Ra3 64.Kg2 Nc4 65.Kf2 Kg6 66.Re1 Kh6-/+ 67.Rh1? Kg5-+ 68.Ne7 Ne3 -+. Calota,Alina (2175) – Draica,Iulia (2070), Centrocoop Sept op–B, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4)

    6.Bb2 Nf6 7.e5 Nd5 8.Bb5 0-0 9.0-0 Be7 10.d4 Nc7 11.Bd3 Nb4 12.Be2 b5 13.Nc3 a6 14.Ne4 Nbd5 15.Nfd2 Bb7 16.Bf3 Bc6 17.Nb3 Nb6 18.Na5 Bd5 19.Qd2 Nc4 20.Nc4 Bc4 21.Rfe1 Bd5 22.Ba3 f5 23.ef6 gf6 24.Bh5 Kh8 25.Nd6 Bd6 26.Bd6 Rg8 27.g3 Ne8 28.Bb4 d6 (better is 28...f5+=) 29.Bf7+= Rg7 30.Be6 Nc7 31.Bh3 Bb7 32.Ba5 Qg8 33.Bf5 Re8 34.Bc7 Rc7 35.Qh6 (35.Qh6 Rf7 36.Qh4+=) 1–0. Rogulj,Branko (2460) – Bellin,Robert (2440), Makarczyk Memorial Poland, 1980. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e6 5.ab4 Bb4)

    6.Bb2 Nf6 7.e5 Nd5 8.c3 Be7 9.d4 d6 10.c4 Nf4 (10...Nc7 11.Nc3-/+) 11.g3 (11.d5 Ne5 12.Ne5 de5 13.Be5 Bb4 14.Nc3-/+) 11...Ng6-/+ 12.ed6 Qd6 13.h4 Bf6 14.c5 Qd8 15.Nbd2 Nge7 (15...0-0!? 16.Ne4 h6+=) 16.Ne4= Nd5 (16...0-0 17.Nf6 gf6 18.Bg2=) 17.Nd6+= Kf8 18.Ne5 Ne5 19.de5 Be7 20.Bg2 Qc7 21.0-0 (21.Qf3 Bd6 22.cd6 Qb6+=) 21...Bd6 (better is 21...Qc5!? 22.Ba3 Qc6+=) 22.ed6+/- Qc6 (22...Qc5 23.d7 Bd7 24.Ba3 Qa3 25.Ra3+-) 23.h5 h6 (23...Qc5 24.d7 Bd7 25.Ba3 Qa3 26.Ra3+-) 24.Ra4 Bd7 (24...Qc5? 25.d7! Qc7 26.Qd4+- (worse is 26.dc8N Rc8 27.Ra7 Rd8+-)) 25.Rg4 (25.Qa1 Qa4 26.Bg7 Kg8 27.Bh8 Qa1 28.Ba1+= (28.Ra1? Kh8 29.Ra5 Bc6-+)) 25...f6+= 26.Qc2 Rg8 27.Bf6 (27.Qh7 e5 (27...Qc5?? 28.Bd5 ed5 29.Bf6 Bg4 30.Be7 Ke8 31.Qg8 Kd7 32.Qa8+-) 28.Rd1 Be6+=) 27...gf6 28.Rg8 (28.Rg8 Kg8 29.Qg6 Kf8 30.Bd5 Qd5 31.Qh6 Kg8 32.Qg6 Kh8 33.Qf6 Kh7 34.Qf7 Kh8 35.Qd7+-) 1–0. Chuvilo,K – Mozin,Aleksandr (2215), Kaluga op, 2000. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4)

    6.Bb2 Nf6 7.e5 Nd5 8.c4 Nf4 9.h4 h5 10.g3 Ng6 11.Bd3 Qc7 Increases the pressure on e5 12.Qe2 Rb8 (12...b6 13.Na3=+) 13.0-0 b6 14.Re1 Bb7 15.Na3 a6 16.Nc2 Nge7 (16...Be7 17.Be4=+) 17.Ng5 (17.Be4 Ra8=) 17...a5 (17...Bc5!? 18.Qf3 Nd8=+) 18.Be4= g6 19.Nb4 ab4 (19...Nb4 20.Reb1+=) 20.d4 Nf5 21.Qd2 White intends d5 21...Kf8? (better 21...0-0 22.Rac1 Rfc8=) 22.d5+- Na5 23.Qb4 Kg7? (23...Ke8 24.Ba3 Qc5+-) 24.Bf5 gf5 25.Qe7 Rh6 26.Qf7 Kh8 27.Ba3 (27.Ba3 Qc8 28.de6 de6 29.Be7+-) 1–0. Parpinel,Marc (2145) – Salvetti,A (2300), 41st TCh–ITA, 2009. (=1.e4 e6 2.Nf3 c5 3.a3 Nc6 4.b4 cb4 5.ab4 Bb4)

    6.Bb5 Nf6 7.e5 Ne4 8.0-0 h6 9.Ra4 Qb6 10.Bc6 bc6 11.c3 Be7 12.Ba3 Nc5 13.Rg4 Ba6 14.c4 h5 15.Rg7 Bc4 16.d3 Nd3 17.Be7 Ke7 18.Qd2 Rag8 19.Qg5 Kf8 20.Rg8 Rg8 21.Qh6 (21.Qh5?? Nf2 22.Qh6 Ke8-+) 21...Ke8 22.Nbd2 Bd5 23.Qh7 Rg6 24.Nh4 Rg4 25.h3 Rf4 26.Kh2 Qd4 (26...Rh4?! 27.Qg8 Ke7 28.Qg5 Ke8 29.Qg8 Ke7 30.Qg5 Ke8 31.Qg8=) 27.Qg8 Ke7 28.Qg5 Ke8 29.Rb1?? (29.Qg8 Ke7 30.Qg5 f6 31.Qg7 Kd8 32.Qf8 Kc7 33.Qd6 Kc8 34.Qf8 Kb7 35.Rb1 Nb4+=) 29...Nb4?? (better is 29...Qe5 30.Rb8 Qb8 31.Qg8 Ke7 32.Qb8 Rh4 33.Qa7 c5-+) 30.Ndf3 Bf3 31.Nf3 Qe4 32.Ra1 a6 33.Re1 Qf5 34.Qg8 Ke7 35.Qb8 Qd3 36.Re3 Qd5 37.Qg8 Rf5 38.Qg7 Nd3 39.Nh4= Rf2 40.Qg3 Rd2 41.Qg5 Ke8 42.Nf3 Rf2 43.Qg3 Rb2 44.Qg8= Ke7 45.Qg5 Ke8 46.Qh5?? Rg2!-+ 47.Kh1 Rg8 48.Qh7-/+ Nf2 49.Kh2 Rf8 50.Qc2 Nh3 51.Kh3 f5 52.Rb3 Ke7 53.Rd3 Qe4 54.Qc5 Ke8-+ 55.Qd4 Rh8 56.Kg3 Qd4 57.Rd4 Ke7 58.Ra4 Rg8 59.Kf2 Ra8 60.Ke3 d6 61.Kd4 a5 62.Nd2 de5 63.Ke5 Rd8 64.Nf3 Rd5 65.Kf4 Kf6 66.Rc4 e5 67.Ke3 c5 68.Rh4? e4 69.Ne1 Ke5 70.Rh8 f4 71.Ke2 f3 72.Ke3 Rd1 73.Nf3 Kd5?? 74.Nd2 Re1+= 75.Kf2 Rc1 76.Ke2 Rc2 77.Kd1 Rc3 78.Nb1 Rd3 79.Ke2 Kd4 80.Ra8 Re3-/+ 81.Kd2 Rh3 82.Rd8 Kc4 83.Re8 Kd4 84.Rd8-/+ Ke5 85.Re8 Kf4 86.Rf8 Kg4 87.Rg8 Kf3 ½–½. Frank,Jozsef (2335) – Pergel,Laszlo (2030), HUN–chT2, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e6 5.ab4 Bb4)

    6.c3 Bc5 7.d4= Bb6 8.Bd3 Nge7 9.0-0 0-0 10.d5 (10.Na3 d5=) 10...Nb8 (10...ed5!? 11.ed5 Nd5 12.Bh7 Kh7 13.Qd5 Kg8+=) 11.c4 (11.Na3 d6 12.Nc4 Bc5+=) 11...Bc5 (11...d6 12.Nc3=) 12.Nbd2 d6 13.e5 Ng6 (13...ed5!? 14.cd5 Nd7=) 14.Ne4 ed5 15.cd5 Bg4 16.ed6 Bd6 (16...Nd7 17.Rb1 f5 18.Bg5+=) 17.Nd6 Qd6 18.Ba3 Qd5 19.Bg6 (19.Bf8 Bf3 20.Qf3 Qf3 21.gf3 Nf8 22.Be4+/-) 19...Qd1 (19...Bf3 20.gf3 Qg5 21.Kh1 hg6 (21...fg6?? 22.Bf8 Qf5 23.Qb3 Qf7 24.Qf7 Kf7 25.Bc5+-; 21...Qg6?? 22.Bf8 Qf6 23.Bc5+-) 22.Bf8 Nc6+- (22...Kf8?? 23.Ra7 Ra7 24.Qd6 Kg8 25.Qb8 Kh7 26.Qa7+-)) 20.Rfd1 fg6 (better is 20...hg6!? 21.Bf8 Kf8 22.Rd8 Ke7+-) 21.Bf8+- Kf8 22.Rdb1 (better is 22.Rd8!? Ke7 23.Rh8 Bf3 24.gf3+-) 22...Bc8+= 23.Ng5 Nc6 (23...h6 24.Ne4+=) 24.Nh7+/- Ke7 25.Re1 Kd6 26.Rad1 Kc7 27.Ng5 a5 28.Rc1 a4+= 29.Re7 Kb6 30.Rb1 Ka5 31.Re8 b5= 32.Ne4 Bb7+= 33.Re6 Nd4 34.Re5 Be4 35.Re4= Rd8 36.Kf1 Nb3 37.Ke2 Rd5 38.Re7 Nd4 39.Ke1 Nc2 40.Ke2= a3 41.Rc1 Nd4-/+ 42.Ke1 b4-+ 43.Rg7?? Nb5 44.Rg6 b3 45.Rg8 b2 46.Rb1 Nc3 47.Ra8 Kb4 48.Rb8 Rb5 (48...Rb5 49.Rb5 Kb5 50.Rb2 ab2-+) 0–1. Vea,Odin Blikra (2245) – Milovic,Milomir (1930), Sarajevo BIH, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 e6 4.Nf3 cb4+= 5.ab4 Bb4)

    6.c3 Bd6 7.d4 Bc7 8.Bd3 Nge7 9.0-0 0-0 10.d5 ed5 11.ed5 Nd5 12.Bh7 Kh7 13.Qd5 Qf6 14.Qh5 Kg8 15.Bb2 Qh6 16.Qh6 gh6 17.Ra4 Ne5 18.Ne5 Be5 19.f4 Bg7 20.f5 f6 21.Nd2 b6 22.Rf3 Bb7 23.Rg3 Bc6 24.Rag4 Rf7 25.Bc1 Raf8 (25...Re8!? 26.Ba3 b5-/+) 26.Ne4 Be4 27.Re4 Kh7 28.Reg4 (28.Rh4+=) 28...Rg8?? (28...Re8 29.Bf4 Re2+=) 29.Bh6+/- Rff8?? 30.Rg6 Rc8?? 31.Be3 Rb8 32.Rh3 (32.Rh3 Bh6 33.Rhh6) 1–0. Osipenko,Pavel – Kurman,Vladislav, Dnipropetrovsk Sinitsina Memorial 3rd, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4)

    6.c3 Bf8 7.d4 d5 8.Nbd2 Nf6 9.Bd3 Be7 10.0-0 Qc7 11.Re1 de4 12.Ne4 Ne4 13.Be4 0-0 14.Ba3 h6 15.Bb1 Rd8 16.Qc2 g6 17.h4 h5 18.Ng5 Bf6 19.Bc1 b5 20.g4? (better is 20.Qd3+=) 20...hg4-+ 21.h5 Qe7?? (better is 21...Nd4 22.cd4 Qc2 23.Bc2 Bd4-/+) 22.hg6+= Bg5 23.gf7 Qf7 24.Bg5 Rd5 25.Bc1 Rh5 26.Qe4= Kh8 27.c4 Ne5?? 28.Ra3?? Nf3 29.Rf3-/+ Qf3 30.Qf3 gf3 31.Bf4 Bb7-+ 32.cb5 Rg8 33.Bg3 Bd5 34.Bd3 Rg4 35.Ra1 Rd4 36.Bg6 Rg5 37.Kh2 Kg7 38.Be8 Kf8 39.Bc6 Bc6 40.bc6 Rh5 41.Kg1 Rc4 42.c7 e5 0–1. Go,B (2165) – Ganguly,S (2625), Vlissingen NED, 2012. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4)

    6.c3 Bf8 7.d4 d5 8.e5 Nge7 9.Bd3 Bd7 10.0-0 Na5 11.Nbd2 b5 12.Ba3 Nc8 (12...Nc4 13.Nc4 bc4 14.Bc2=) 13.Bf8 Kf8 14.Qb1 Nc4 15.Bc4 (15.Bh7? Nd2 16.Nd2 Qh4-+) 15...dc4 16.Ne4 a5 17.Nfd2 Bc6 18.f4 g6 19.Nf6 h5 (19...Kg7 20.Qe1+=) 20.Nf3 Ne7 21.Qe1 Bf3 22.Rf3 Nd5 23.Ne4 b4 24.Nd6 (24.Qc1 bc3 25.Nc3 Nb4+=) 24...Nc3 25.Rc3 bc3 26.Qc3 Qc7 27.Qc4 (27.Ra4 Kg7+=) 27...Qc4 28.Nc4 Kg7 (28...a4 29.Nb6 Ra6 30.Nd7 (30.Na4?? Ke7-+) 30...Ke7 31.Nc5-+) 29.Ra5-/+ Ra5 30.Na5 Ra8 31.Nb3 Ra3 (31...Ra4!?-+) 32.Nd2-/+ Ra2 33.Nf3 Kf8 34.h3 Ke7 35.Kh2 Kd7 36.Ng5 Ke7 37.Nf3 f5 38.Kg3 Rb2 39.Nh4 Rb3 40.Nf3 Ra3 41.Kh2 Kd7 42.Nh4 Rd3 43.Ng6+= Rd4 44.Kg3= Rd2 45.Kf3 Ra2 46.Nf8 Ke7 47.Ng6 Kf7 48.Nh4 Ke8 49.Ng6 Ra3 50.Kf2 Ra7 51.g3 Rg7 52.Nh4+= Kd7 53.Nf3 Kc6 54.Ng5 Kd5 55.h4 Ra7 56.Kf3 Ra6 57.Ke3 Ra2 58.Kf3 Ra3 59.Kf2 ½–½. Arcos Facio,M (2195) – Moreira,M (2055), Montevideo URU, Men Ch, 2014. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 Nc6 5.ab4 Bb4)

    6.c3 Bf8 7.d4 d5 8.e5 Nge7 9.Bd3 Nf5 10.0-0 Be7 11.g4 Nh4 12.Nh4 Bh4 13.f4 Be7 14.f5 (14.Na3 a6=) 14...Bd7 15.Qf3 (15.Na3 0-0+=) 15...Qb6-/+ 16.Qf4 Na5 (better is 16...h5!? 17.fe6 Be6-/+) 17.Ba3= Ba3 18.Na3 a6 19.Qg5 h6 (19...ef5!? 20.Qg7 Rf8+=) 20.Qg7+/- 0-0-0 21.Qf7 Rhg8 (21...Rdf8 22.Qe7 ef5 23.Nc2+/-) 22.Rfb1+- Qc6 23.h3 Kb8? (better is 23...ef5!? 24.Bf5 Bf5 25.Qf5 Kb8+/-) 24.Nc2+- Qc3 (24...Rgf8 25.Qe7 Rde8 26.Qh7+-) 25.Ra3 Qd2 26.Qe7 Bb5 27.Bb5 Qc2 (27...ab5 28.Rba1 b6 29.Qe6 Kb7 30.Qe7 Kb8+-) 28.Bd3 Qd2 (28...Qc7 29.Qc7 Kc7 30.Ra5 ef5 31.Rc5 Kb8 32.Ba6 Rd7+-) 29.Ra5! Qe3 (29...Qa5 30.Qb7) 30.Kg2 (30.Kg2 Rg4 31.hg4 Qd2 32.Kh1 Qd1 33.Rd1 Rc8 34.Rb1 Rc7 35.Qf8 Rc8 36.Rb7 Kb7 37.Ba6 Kb6 38.Qb4 Kc7 39.Qd6) 1–0. Blit,Jacques (2335) – Cuevas,Alex (2260), Villa Martelli ARG, 2014. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4)

    6.c3 Bf8 7.e5 d6 8.Bb5 Bd7 9.ed6 Bd6 10.Na3 Nf6 11.Nc4 Be7 12.d4 0-0 13.0-0 Nd5 14.Qb3 Qc7 15.Bd2 a6 16.Bc6 Bc6 17.Nfe5 Bb5 18.Rfe1 Bc4 (better is 18...f6!? 19.Nb2 fe5 20.c4-+) 19.Nc4 b5 20.Ne3 Ne3 21.Be3 Rfc8 22.Bd2 Bd6 23.g3 Qc4 24.Qb2 Qd5 25.Ra5 h5 26.Rea1 Qb7 27.Qa2 Rc6 28.Rb1 Rb6 29.Be3 Qd5?? (better is 29...Rc8-/+) 30.c4!+- Qf3 31.c5 Rc6 32.cd6 h4 33.gh4 Rac8? 34.Ra6+- Rc1 35.Rc1 Rc1 36.Bc1 Qd1 ½–½. Fitzpatrick,A (2020) – Marcos,J (2095), Oceania Zonal, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4)

    6.c3 Ba5

    7.Ba3 d5 8.Bb5 (8.e5 Bc7 9.d4 f6+=) 8...a6 (8...de4 9.Ne5 Qd5 10.Qa4-/+) 9.Bc6+= bc6 10.ed5 (10.e5 Bb6+=) 10...cd5-/+ (10...ed5?! 11.Qe2 Be6 12.Nd4=) 11.Ne5 (11.Bc5 Bc7-/+) 11...Bc7 12.Qa4 Bd7 13.Nd7 Qd7 14.Qg4 Be5 15.d4 Bf6 16.Bc5 Ne7 17.Qe2 (17.0-0 0-0-/+) 17...0-0 (17...a5 18.Na3-/+) 18.Nd2 (18.Ra6 Ra6 19.Qa6 Rb8+=) 18...Rfb8 (18...a5 19.0-0-/+) 19.Nf3 (19.Ra6 Ra6 20.Qa6 Bg5-/+) 19...Nc6 (19...Qb5 20.g4 Qb3 21.0-0-+) 20.0-0-/+ a5 21.g4 (21.Rfc1 a4-/+) 21...Be7 22.Be7 Qe7 23.Rfe1 (23.Ra4 Rb3 24.Qe3 Rab8-+) 23...Qc7 (better is 23...a4-+) 24.Qc2? (better is 24.Ng5 Ne7 25.Ra3-+) 24...Qf4 25.h3 (25.Re3 Qg4 26.Kh1-+) 25...Rb2 (better is 25...Qf3 26.Re3 Qf6-+) 26.Re3 a4 27.c4 dc4 28.Qc4?? Nb4 29.Ra4 Rb8 30.Rc3 h6-/+ 31.Ra7 Rc2 32.Rc7 Qc1 33.Kg2= Rc3 34.Qc3 Qc3 35.Rc3 Nd5 36.Rc2 f6 37.Kg3 Kf7 38.Nd2 Rb4 39.Nf3 Rb7 ½–½. Varnerot,JL (1610) – Benayoun,O, Torcy op–B, 1991. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4)

    7.Na3 d5 8.ed5 ed5 9.Nb5 a6 10.Nbd4 Nge7 11.Bd3 Bc7 12.0-0 0-0 13.Ba3 Bd6 14.Re1 Ba3 15.Ra3 Qd6 16.Qa1 Rb8 17.Nc6 Nc6 18.Ra4 Bd7 (18...b5 19.Ra2-/+) 19.Rh4 h6 20.Qb1 Rfe8 21.Re8 Be8 22.Bh7 Kf8 23.g3 (23.Qb6!?=+) 23...b5-/+ 24.Bd3? (24.Qd3 Bd7-/+) 24...Bd7 (better 24...g5!? 25.Rg4 Qf6-+) 25.Nd4 Rd8 26.Qa1 g5 (26...Ne5 27.Be2-/+) 27.Nc6 gh4 (better 27...Qc6 28.Rd4 Re8-/+) 28.Nb4?? (better 28.Nd8 Bc8 29.Qa5=) 28...Bh3 29.Bf1 (29.Qa6 Qa6 30.Na6 d4-+) 29...Bf1 30.Kf1 d4 31.Qa6 Qa6 32.Na6 dc3 33.dc3 Rc8 0–1. Schneider,Waldemar (1735) – Chan Peng Kong (2165), World Senior (1), 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Nf3 Nc6 6.c3 Ba5)

    7.d4 Bc7 8.Bd3 Nge7 9.0-0 0-0 (9...d5 10.Qc2+=) 10.Na3= a6 11.Be3 (11.Qc2 d6=) 11...f5 (11...d5 12.Re1+=) 12.e5 (12.ef5 Nf5 13.Bg5 Qe8+=) 12...Ng6 (12...b6 13.Nb5+=) 13.Ng5 (13.Bg5 Nce7=) 13...Nce7 (13...h6 14.Nf3=) 14.Qh5 h6 15.Nh3 (15.Nf3=) 15...Qe8 (15...d6 16.ed6 Qd6+=) 16.Bh6 (better is 16.Nb5 Bb8 17.c4+=) 16...gh6 17.Qh6 Qf7 18.c4 (18.Nb5 Bb8-/+) 18...Qg7 19.Qd2 (19.Qg7 Kg7 20.Nb5 Bb8-/+ (20...ab5?! 21.Ra8 bc4 22.Bc4-/+)) 19...Nh4 (19...Nc6 20.Nc2-+) 20.Qg5 (20.f4 b5! 21.Nb5 Bb6-+) 20...Qg5-+ 21.Ng5 Bd8 (21...Nc6 22.g3-+) 22.Nb5 (better is 22.g3!? Nhg6 23.Rfb1-+) 22...Nc6-+ 23.Nh3 (23.f4 Ng6-+ (23...ab5?! 24.Ra8 bc4 25.Bc4=)) 23...Rb8 (better is 23...Ba5!? 24.d5 ed5 25.cd5 ab5 26.dc6 bc6 27.Rfd1-+) 24.Nd6 Nd4 25.Rab1 (25.Rfb1 Bc7 26.c5 Nc6-+) 25...Be7 (25...b6 26.Rfd1-+) 26.c5 Nb5! 27.Bb5 ab5 28.Rb5 Kh7 29.f4 b6 30.cb6 Ba6-/+ 31.Rfb1 Bb5 32.Rb5 Ng6 33.g3?? Rg8 34.Kf2? Bd8?? 35.b7-/+ Ne7 36.Ng5 Kg7 37.Nf3 Nd5 38.Nd4? Bb6-+ 39.N6f5 ef5 40.Rd5 Rb7 41.Ke3 Ra8 42.Ke2 Ra2 43.Kd3 Bd4 44.Rd4 Rh2 45.Kc4 Rg2 46.Rd3 Kf7 47.Kc5 Ke7 48.Kd5 Rb5 49.Kc4 Rb6 50.Kc5 Rc6 51.Kd5 Rgc2 52.Kd4 Ke6 0–1. Braeunlin,Herbert – Kern,E, Eppingen Seniors, 1988. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4)

    7.d4 d5 8.Bb5 Bc7 (worse is 8...de4 9.Ne5 Nge7 10.Bg5+/-) 9.ed5 Qd5+=.

    7.d4 d5 8.e5 Rb8 9.Bd3 b5 10.Nfd2 b4 11.Nb3 Bc7 12.cb4 Nb4 13.Ra7 Ne7 14.Be2 Nbc6 15.Ra3 Nf5 16.Bb2 0-0 17.0-0 f6 18.g4 White claimed a win on time 1–0. Bazza3 (1850) – nii_sama (2625), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 Nc6 5.ab4 Bb4 6.c3 Ba5)

    7.d4 d5 8.e5 Bd7 9.Bd2+=.

    7.d4 d5 8.e5 Nge7

    9.Bd3 0-0?? 10.Bh7+- Kh7 11.Ng5 Kg6?? (11...Kg8 12.Qh5 Re8 13.Qf7 Kh8 14.Qh5 Kg8 15.Ra5 Nb4 16.cb4 Nf5 17.Qf7 Kh8+-) 12.h4 1–0. Stojanas,Justinas – Lapinskaite,Sarune (2105), Plunge op Platelia, 2001. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4)

    9.Bd3 Qc7 10.0-0 0-0?? (better is 10...Qd7+=) 11.Bh7+- Kh7 12.Ng5 Kg8 (12...Kg6 13.Qg4 f5+-) 13.Qh5 Rd8 14.Ba3 Bb4 15.Qf7 Kh8 16.Bb4 Nb4 17.cb4 Qd7 18.Ra3 Nf5 19.Rh3 Nh6 20.Qg6 Kg8 21.Rh6 Re8 (21...a5 22.Rh8! Kh8 23.Qh7) 22.Rh8! (22.Rh8 Kh8 23.Qh7) 1–0. Becuwe,Olivier (2120) – Breton,Baptiste (1960), FRA–chT4, 2001. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e6 5.ab4 Bb4)

    9.Bd3 Bd7 10.0-0+=.

    9.Bd3 h6 10.0-0 0-0 11.Nh4 Nf5 12.Nf5 ef5 13.Qc2 Kh8 (13...f6 14.f4+=) 14.Bf5 Bc3 15.Nc3 Nd4 16.Qd3 Nf5 17.Qd5 Be6 18.Qb7 Qd4 19.Qf3 Qe5 20.Bf4 Qd4 21.Ra4 Qc5 22.Rfa1 Rfc8 23.Ne4 Qc6 24.Ra6 (24.Ra7?? Ra7 25.Re1 Bd5-+) 24...Qc2 25.Ng3 (25.Ra7?? Ra7 26.Re1 Bd5-+) 25...Nd4 26.Qb7 Qc3 27.h3 Nc6 28.Ne4 Qd4 29.Nd6 Nd8 30.Qf3 Rc6 31.Rd1 Qc3?? (31...Qd1 32.Qd1 Ra6 33.Bh6 Rd6 34.Bg7 Kg7 35.Qd6=) 32.Qc3 (better is 32.Rd3 Qe1 33.Kh2+-) 32...Rc3= 33.Nb5 Rc4 34.Bg3 Nc6 35.Rd6 Rc8 36.Na7 Na7 37.Ra7 Rc1 38.Kh2 Rf1 39.Rd2 Rcc1 40.Bf4 Rh1 41.Kg3 Rcg1 42.Kf3 Kh7 43.Ra4 g5 44.Be5 h5 45.Rd8 Re1 46.Bc3 Rd1 47.Rh8 Kg6 48.Rg8 Kh6 49.Rh8 ½–½. Aniper,Veronika (1745) – Brailko,Julia (2145), ch–UKR w Poltava UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4)

    9.Bd3 h6 10.0-0 a6 11.Ba3 b5 12.Nfd2 b4 13.cb4 Bb4 (13...Nb4? 14.Bb4 Bb4 15.Qa4 Nc6 16.Qc6 Bd7 17.Qc2+-) 14.Qa4 (14.Nf3!?=) 14...Ba3-/+ 15.Na3 0-0 (15...Bd7 16.Qd1 (16.Ba6? Bc8-+) 16...Nd4 17.Qg4-/+) 16.Nb3 (better 16.Nc2!?=+) 16...Bd7-+ 17.Nc5 (17.Ba6? Bc8 18.Nc5 Ba6 19.Na6 Nb8-+) 17...Ne5! 18.Qc2 (18.de5 Qc7 Double attack (18...Ba4 Discovered attack; 18...Qc7 Decoy)) 18...Nd3 19.Qd3 Nf5 20.Rfb1 (20.Rfd1 Bb5! 21.Nb5 ab5 22.Ra8 Qa8 23.Qb5 Nd4-+) 20...Nd6 (20...Bb5 21.Nb5 ab5 22.Ra8 Qa8 23.Qd1-+) 21.Na6-/+ Ne4 (21...e5 22.Rd1 Bf5 23.Qf1-+) 22.f3 Bc8 23.Nb4 Nd6 24.Nac2 Ra1 25.Ra1 Qb6 26.Qa3 Nf5 (26...Bb7 27.Qa5 Qa5 28.Ra5-/+) 27.Qa7 Qb5 28.Qc7 (28.Qc5 Qe2-/+) 28...Qe2 (28...Nd4 29.Nd4 Qb4 30.Nc6 Qc5 31.Kh1-+) 29.Ra8? (better 29.Qe5!? Qd2 30.Qe1 Qe1 31.Re1-/+) 29...Ne3-+ 30.Ne3 Qe3 31.Kf1 Qd4 32.Nc6? (32.Qd6 Re8 33.Qc6 Qc4 34.Qc4 dc4 35.Ra7-+) 32...Ba6! 33.Ra6 Qc4 34.Kf2 Qa6 35.Ne7 Kh8 36.Qc5 (36.Kg3 Qc4 37.Qd6 Ra8-+) 36...Ra8 37.Kg3 Qa7 38.Qb4 (38.Qd6-+) 38…Qb8 (38...Qb8 39.Qb8 Rb8-+) 0–1. Salvatti,Diego (2035) – Cisneros,German (1985), Club Argentino de Ajedrez – TORNEO SUPR, 2016. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4)

    9.Bd3 h6 10.g4 Qc7 11.Kf1 (11.Ba3 a6=+) 11...Bd7 12.Kg2 a6 13.Ba3 b5 14.Bd6 Qd8 15.Nfd2 (15.Rg1 Nc8-/+) 15...Nc8 16.Bc5 Bb6 17.Ba3 (17.Nb3 h5-/+) 17...b4! 18.Bb2 (18.Bb4 Nb4 Combination; 18.cb4 Bd4 Deflection) 18...bc3-+ 19.Bc3 Nd4 (19...h5 20.Rg1-+) 20.h4 (20.Ra6!? Ra6 21.Ba6-/+) 20...Nb5 21.Bb4 (21.Nf3-+) 21...Bd4 22.Nf3 (22.Ra4 Be5 23.Nf3-+) 22...Ba1 23.Nbd2 Bc3 24.Bc5 (24.Bc3 Nc3 25.Qa1 Na4-+) 24...Bc6 (24...Qc7 25.Nb3-+) 25.Rh3 (25.Qc2 d4-+) 25...Qc7 26.Be3 (26.Qe2 Nb6 27.Bb5 Bb5 28.Bb6 Qb6-+) 26...Be5 27.Ne5 Qe5 28.Qf3 (28.Nf3 Qb2-+) 28...Ne7 29.Bf4 Qc3 (29...Qf6 30.Qg3 Ng6 31.Bg6 Qg6 32.f3-+) 30.Qe2 (30.Kh2 Qb4 31.Nb1 Ng6-+) 30...Qb4 31.Be5 (31.Kg3 h5! 32.g5 f6 33.Qe6 Nd4-+) 31...Nc3 (31...f6 32.Bh2 e5 33.f4-+) 32.Qf1 (32.Bc3 d4 33.Be4 dc3 34.Bc6 Nc6-+) 32...Qg4 33.Rg3 (33.Kh2 Nb5-+) 33...d4 34.f3 Qh4 35.Nc4 (35.Rg7 Bd5-+) 35...Nb5 (better 35...f6 36.Bd6 e5 37.Be7 Ke7 38.Qa1-+) 36.Rh3 Qg5 37.Rg3 Qh5 38.Rh3 Bf3! 39.Rf3 (39.Qf3 Qf3 Double attack; 39.Rf3 Ng6 Combination) 39...f5 (better 39...Nd5 40.Bg7 Rg8 41.Rg3-+) 40.Rh3 Qf7 41.Rg3 (41.Nb6 Nc6 42.Bb5 ab5 43.Na8 0-0 44.Bg7 Qg7 45.Rg3 Ra8 46.Rg7 Kg7 47.Qb5 Ra2 48.Kg3 Rc2-+) 41...Nd5 42.Qf3 (42.Bd4 Rg8-+) 42...Rg8 43.Bd6 (43.Qd1 Rd8-+) 43...Qd7 (better 43...g5 44.Kf2-+) 44.Bc5 (44.Qh5 Kd8 45.Be5 Rc8-+) 44...g5 (better 44...Qc6 45.Nb6 Nf4 46.Kg1 Qf3 47.Bb5 ab5 48.Rf3 Ra1 49.Kf2-+) 45.Ne5 Ne3 (better 45...Qc7!? 46.Bb5 ab5 47.Bd4 Qc2 48.Kg1 Qc1 49.Qf1 Qf1 50.Kf1-+) 46.Kg1 (46.Kh2 Qd5 47.Qh5 Kd8-+) 46...Qd5 47.Qh5 Kd8 48.Qf7 (48.Re3 de3 49.Qf7 Qe5 50.Qg8 Kc7 51.Qa8 Qc5-+) 48...Qe5 49.Qg8 Kc7 50.Qa8 (50.Qf7 Kc6 51.Kh2-+) 50...Qg3 51.Kh1 Ng4 (51...Qe1 52.Kh2 Ng4 53.Kh3 Qe3 54.Kg2 Qf2 55.Kh1 Qh2) 52.Qg2-+ Qd3 53.Bb4 Qb1 54.Qg1 Qb4 55.Qa1 Qc4 56.Kg1 Ne3 (56...Ne3 57.Qe1 e5 58.Qa5 Kd7 59.Qe1 g4 60.Qd2 Qf1 61.Kh2 g3 62.Kg3 f4 63.Kh4 Qh1 64.Qh2 Qh2) 0–1. Helin,Mikael (1945) – Orus,Julien, 30th Open San Sebastian ESP, 2007. (=1.e4 e6 2.Nf3 c5 3.a3 Nc6 4.b4 cb4 5.ab4 Bb4 6.c3 Ba5)

    6.c3 Be7

    7.d4 a6?? 8.Bd3 (better is 8.d5!? Na5 9.d6+/-) 8...d6 9.0-0 Nf6 10.Re1 0-0 11.h3 b5 (11...Bd7 12.Be3+=) 12.Nbd2 (better is 12.Bb5!? Qc7 13.Bd3+=) 12...Bb7 13.Nb3 Rc8 14.Bf4 Re8 15.Bb1 e5 16.Be3 ed4 17.cd4 d5 18.e5 Ne4 19.Bf4 Bb4 20.Rf1? Ne7 21.Ra2 Nc3-+ 22.Bh7? Kh8 23.Qd3-/+ Na2 24.Ng5 Rf8 25.Qg3?? Rc6 26.e6 fe6 27.Qh4 e5?? 28.Bg6 (28.Bg6 Kg8 29.Qh7) 1–0. Eliezer,Manuel – Badana,Fernando, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.Nf3 e6 5.ab4 Bb4 6.c3 Be7)

    7.d4 Qc7 8.Bd3 d6 9.0-0 Nf6 10.Re1 a6 11.e5 de5 12.de5 Nd5 13.Qa4 Bd7 14.Qg4 0-0-0 (14...g6 15.Ba3+=) 15.Re2 (15.Qg7!? f5 16.ef6 Bf6 17.Qh6+/-) 15...h5 16.Qe4 (16.Qg7? Rdg8 17.Qf7 Nd8-+) 16...f5 17.ef6 Nf6 18.Qc4 Nb8 (18...e5 19.Rd2=) 19.Qb3+= Bc5 20.Nbd2 Rhe8 21.Ne5 Ng4 22.Ndf3 (22.Ng4 hg4 23.Ne4 Rh8+=) 22...Nf2 (22...Bf2!? 23.Rf2 Ne5 24.Ne5 Qe5=) 23.Rf2+= Rf8 (better is 23...Bc6 24.Be2 Bf3 25.Nf3 Qb6 26.Qb6 Bb6=) 24.Bg5?? (better is 24.Ng6 Rf7 25.Rb1+/-) 24...Bf2-/+ 25.Kf2 Qe5 26.Bd8 Qc5 27.Ke2 Rd8 28.Rb1 Qd5 29.c4 Qc6 30.Qc2 Qc5 31.Qb2 Bc6-+ 32.Qg7 Rd3 33.Qg8? Rd8 34.Qe6 Bd7 35.Qf7 Re8 36.Kf1 Rf8 37.Qh7 Qf5 38.Qf5 Bf5 39.Rc1 Nc6 40.h3 Bh3! 41.gh3 Rf3 42.Kg2 Re3 0–1. Lynn,Kenneth William – Foord,M, NZL–ch Dunedin, 1975. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    7.d4 d5

    8.Nbd2 de4 9.Ne4 Nf6 10.Bd3 Nd5 11.0-0 f5 12.c4? (better is 12.Neg5 h6 13.Nh3-/+) 12...fe4-+ 13.cd5? (better is 13.Be4 Nf6 14.Bc6 bc6 15.Ne5-+) 13…Qd5 (13...Qd5 14.Be2 ef3 15.Bf3 Qf5-+; 13...ed3?! 14.dc6 bc6 15.Qd3=) 0–1. Vetterlein,David – Schirmer,Michael (2150), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e6 5.ab4 Bb4 6.c3 Be7 7.d4 d5)

    8.Nbd2 de4 9.Ne4 Nf6 10.Nf6 Bf6 11.Bc4 0-0 12.0-0 Na5 13.Bd3 Bd7 14.Bf4 Rc8 15.Qc2 Qb6? (better is 15...g6=) 16.Rfb1+- Qd8 17.Bh7 Kh8 18.Bd3 g5 (better is 18...Bc6 19.Ne5 Be5 20.Be5 Bd5+-) 19.Qe2 gf4?? (19...Rg8 20.Ng5! Rg5 21.Bg5 Bg5 22.Qe5 Bf6 23.Qh5 Kg7 24.Ra5 Rc3 25.Qh7 Kf8 26.Ra7 Bc8+-) 20.Qe4 Bc6 (20...Rc3 21.Qh7) 21.Qh7 1–0. usingprogram (1970) – mirofricko, internet, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5)

    8.Nbd2 Nf6 9.e5 Nd7 10.Bd3 0-0 11.0-0 f6 12.ef6 Bf6 13.Re1 e5? (13...Re8!?=) 14.Qb3+/- ed4?? (14...Kh8 15.Qd5 Nb6 16.Qd8 Rd8+= (16...Bd8? 17.Ne5 Ne5 18.Re5+-)) 15.Qd5+- Kh8 (15...Rf7 16.Bc4 Nde5 17.Qd8 Nd8 18.Ne5 Be6 19.Nf7 Kf7 20.cd4 Bd4+-) 16.Qh5 g6 17.Bg6 Rf7 18.Bf7 Bg7 1–0. usingprogram (1965) – pogiasawa, internet, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5)

    8.ed5 ed5 9.Bb5 Nf6 10.Ne5 Bd7 11.Nd7 Qd7 12.0-0 0-0 13.Nd2 a6 14.Bd3 Bd6 15.Qb3 Rfe8 16.f3 (16.Nf3!?-/+) 16...Qc7 17.g3 Re3 (17...Bg3 18.hg3 Qg3 19.Kh1-+) 18.c4 (18.Qc2!? Re7 19.Nb3-/+) 18...Rae8 19.Bb2 (better is 19.Ne4 R3e4 20.fe4 de4 21.Be2 Nd4 22.Qd1-+) 19...Bg3! 20.hg3 (20.cd5 Bh2 21.Kh1-+) 20...Qg3 21.Kh1 Ng4! 22.Bh7 (22.fg4 Qh3 Mate attack) 22...Kh7 (22...Kh8 23.fg4 Rb3 24.Nf3 Re2 25.Rf2 Qf2 26.Rg1 Qf3 27.Rg2 Qg2) 23.Qc2 Kg8 24.fg4 (24.Ne4 de4 25.fg4 Qh4 26.Qh2-+) 24...Qh3 25.Kg1 Qg4 26.Kf2 Qf4 27.Nf3 Qf3 28.Kg1-+ Qg4 29.Qg2 Rg3 30.Rf2 Rg2 31.Rg2 Qe4 32.cd5 Qd5 33.Rf1 Re6 34.Rgf2 Rg6 35.Rg2 Qg2 0–1. Garcia Gonzalez – Sanchez Vergara, Asturias–ch Oviedo, 2004. (=1.e4 e6 2.Nf3 c5 3.b4 cb4+= 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5)

    8.e5 f6 9.Bd3 fe5 10.Ne5 Nf6 11.0-0 0-0 12.Nd2 Ne5 13.de5 Nd7 14.Qh5 g6 (14...h6!?+=) 15.Bg6= hg6 16.Qg6 Kh8 17.Ra4 Rf5 18.Qh6 (18.Rg4 Qf8 19.Rg3 Bh4+/-) 18...Kg8 19.Qe6 Rf7 20.Rg4 (20.Qd5?! Nc5 21.Qd8 Bd8+=) 20...Bg5 21.Qd5 Kf8 (21...Qe7 22.e6 Ne5 23.ef7 (worse is 23.Qe5 Rg7 24.Ne4 Bh4+-) 23...Nf7 24.Ba3 Qa3 25.Rg5 Kf8 26.Nc4+-) 22.e6 Rg7 23.Ba3 Be7 (23...Nc5 24.Qc5 Kg8+-) 24.Qf5 (24.Qf5 Nf6 25.Qf6 Ke8 26.Rg7 Qd6 27.Re7 Qe7 28.Qe7) 1–0. Berg,E (2600) – Eriksson,Joh (2400), ch–SWE Master Elite, 2011. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    8.e5 f6 9.Bd3 fe5 10.Ne5 Nf6 11.g4 0-0 (11...Ne5 12.de5 Nd7 13.f4-+) 12.g5 Ne5 13.de5 Ne4 14.h4 (better is 14.Be4!? de4 15.Qd8 Bd8 16.Be3-/+) 14...Qb6-+ (14...Nf2 15.Bh7 Kh8 16.Qh5+-) 15.Be3 Bc5 (better is 15...Qb2 16.Nd2 Nc5-+) 16.Rh3?? (better is 16.Be4 Be3 17.fe3 de4 18.Qc1-+) 16...Be3-+ 17.fe3 (17.Re3 Qb2 18.Nd2 Nd2-+) 17...Qb2 18.Nd2 (18.Rf3 Qa1 19.Rf8 Kf8 20.Qf3 Kg8-+) 18...Nd2 19.Bh7 Kh7 20.Qh5 Kg8 21.g6 Qa1 22.Kd2 Rf2 23.Kd3 Qf1 24.Kd4 Qc4# 0–1. Jensen,Find – Mortensen, Hillerod, 1994. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    8.e5 h5 9.Bd3= a6 10.0-0 Bd7 11.g3 Nh6 12.h4 g6 13.Ng5 Kf8 14.Qf3 Kg7 15.Qf4 Nf5 16.Ba3 b5 17.Be7 Qe7 18.Nd2 b4 19.Bf5 gf5 20.c4 a5 21.cd5 ed5 22.Nb3 a4 23.Nc5 a3 24.Rfe1 Be6 25.Nge6 fe6-/+ 26.Qg5? Qg5-+ 27.Ne6 Kf7 28.Ng5 Ke7 29.Reb1 Rhb8 30.Rc1 Ra6 31.Rc5 b3 32.Ra3 Ra3 33.Rc6 b2 34.Rc7 Ke8 (34...Ke8 35.Kg2 b1Q-+) 0–1. Perrenoud,Markus – Kaenel,H (2395), Ambassador Open Bern SUI, 1998.

    8.e5 h5 9.h3 h4 10.Bd3 Nh6 11.Nbd2 g6 12.Nf1 Kf8 13.g3 hg3 14.fg3 Nf5 15.Ra2 Na5 16.h4 Qc7 17.h5 Qc3?? (better is 17...Rh5 18.Rh5 gh5+=) 18.Bd2+/- Qd3 19.Bh6 Rh6 20.Qd3 Nc4 21.g4 Ng7 22.Ng3 g5 23.0-0 Bd7 24.Raf2 Bb5 25.Ng5 Nd6?? 26.ed6 Bd3 27.Rf7 Kg8+= 28.Rg7 Kg7 29.Rf7 Kg8 30.Re7 The backward pawn on e6 becomes a target 30...Rd8?? 31.Nf7+- Rd6 32.Nd6 Rf6 33.g5 Rf4 34.Re6 Rd4 35.Re8 Kh7 36.Re7 Kg8 37.g6 Rg4 38.Kf2 Bg6 39.hg6 Rg6 40.Ngf5 b5 41.Ra7 Rf6 42.Ke3 b4 43.Rb7 b3 44.Rb3 Kh7 45.Rb7 Kg6 46.Rg7 Kh5 47.Kf4 Rf5 48.Nf5 (48.Nf5 d4 49.Rg5) 1–0. Christensen,Bo (2285) – Tozaki,H (2030), Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5)

    7.d4 d6

    8.Na3 Nf6 9.Bd3 0-0 10.0-0 Bd7 11.Bg5 a6 12.Qe2 b5 13.Nc2 Qc7 14.Nb4 Nb4 15.cb4 Bc6 16.Rfc1 Qd7 17.Nd2 Bb7 18.Nb3 Nd5 19.Bd2 Nb6 20.Na5 Rac8 21.Re1 Ba8 22.Nb3 Na4 23.Qg4 g6 24.Qh3 Rfd8 25.Qf3 f5 26.Qg3 Bf6 27.h4 Qg7 28.ef5 ef5 29.h5 Bd5 30.Ra3 Rc7 31.h6 Qd7 32.Bg5 Bg5 33.Qg5 Rdc8 34.Nd2 Qf7 35.Nf1 Rf8 36.Bb1 Qf6 37.Qf4? Bf7 38.Ne3-/+ Re8 39.Bd3 Rc3 40.Rc3 Nc3 41.Ra1 Na2 42.Ng4? Qd8 43.Bf5 gf5+= 44.Qf5 Be6 45.Qf3? Kh8 ½–½. Scheer,Walter (2220) – Koenig,Uwe (2330), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 e6 3.Nf3 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    8.Bb5 Bd7 9.0-0 (9.d5 ed5 10.ed5 Ne5 11.Bd7 Qd7+=) 9...Nf6 10.e5 (10.Nbd2 0-0 11.Re1 Qc7+=) 10...de5 11.Bc6 Bc6 12.Ne5 0-0 13.Bf4 Qd5 14.Nc6 Qc6 15.Nd2 (better is 15.Re1!?-/+) 15...Qc3-+ 16.Nf3 Nd5 17.Rc1 Qa5 18.Bg3 a6 19.Ne5 Rac8 20.Ra1 Qc3 21.Rc1 Qc1 22.Qc1 Rc1 23.Rc1 Rd8 24.Rb1 Rc8 25.f4 b5 26.Ra1 Nb4 27.Rb1 a5 28.Be1 f6 29.Nd7 Rc4 30.Nc5 Rd4 31.Ne6 Rc4 32.h3 Kf7 33.f5 g6 34.fg6 hg6 (34...hg6 35.Bb4 ab4 (35...Ke6?! 36.Re1 Kd5 37.Be7=) 36.Ng5 fg5-+) 0–1. Marx,Peter – Roettig,Hans_Peter (2055), St. Leon–Rot GER, Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.Nf3 e6 5.ab4 Bb4 6.c3 Be7)

    8.d5 ed5 9.ed5 Ne5 10.Be3 a5 11.Nbd2 Nf6 +=.

    8.Bd3 Nf6

    9.0-0 0-0 10.Nbd2 e5 11.d5 Nb8 12.Nc4 Nbd7 13.Be3 b6 14.h3 Qc7 15.Qb3 Nc5 16.Bc5 Qc5 (worse 16...dc5 17.Nfe5 Bb7 18.Rfd1+/-) 17.Rfb1 Bd7 18.Ra6 Rfc8 19.Rba1 Bb5 20.Ra7 Ra7 21.Ra7 Bc4 22.Bc4 Qc4 23.Qc4 Rc4 24.Re7 Rc3 (24...Kf8 25.Rb7 Ne4 26.Nh4-+) 25.Rb7 (25.Ng5!? h6 26.Nf7 Ne4 27.f3=+) 25...h6-/+ 26.Rb6 Ne4 27.Nh4 g6 28.f3 Rc1 29.Kh2 Nd2 30.Kg3 (better 30.Rc6 Ra1 31.g3-+) 30...Nf1?? (better 30...Rc2 31.Kh2 Nf1 32.Kg1 Ne3-+) 31.Kf2= Nd2 32.Rd6 Rc2 33.Kg1 Rc1 34.Kf2 Rc2 35.Ke1 Nb3 36.Rd8 Kg7 37.d6 Nd4?? (better 37...Rc1 38.Kf2 Nc5=+) 38.Kd1?? (better 38.d7 Rc1 39.Kd2 Nb3 40.Ke3 Re1 41.Kd3+-) 38...Ra2 39.d7 Ne6 40.Re8 Ra1 (40...Ra4!?-/+) 41.Kd2 Ra2 (41...Ra4 42.Kc3 Rd4 43.f4 Rd7 44.fe5=+) 42.Kc3= Ra3 43.Kc4 Ra4 44.Kd5 Rd4 (44...Rh4?? 45.g4 Rh3 46.Re6 fe6 47.Ke6 Rf3 48.d8Q+-) 45.Ke5 (45.Kc6!?=) 45...Rd7=+ 46.f4? (46.Rc8 Ra7 47.Kd6 Kf6-/+) 46...Ra7 (better 46...Nc5!? 47.f5 f6 48.Kf4 g5 49.Kg3 gh4 50.Kh4 Nd3-+) 47.g3 Ra5 48.Ke4 Kf6 (48...Ra3 49.g4-/+) 49.Nf3 (49.Ng2 Ra4 50.Kf3 Nd4 51.Ke3 Rb4=) 49...Ra4 (49...Ra3 50.Ne5-/+) 50.Ke3=+ Ra3 51.Kf2 Ra2 52.Kf1 Ra1 53.Ke2 Ra2 54.Ke3?? (54.Kf1 g5 55.fg5 hg5=) 54...Ra3 (better 54...Ng7 55.Rc8 Nf5 56.Kd3 Ng3-+) 55.Ke2 Ra2 56.Nd2 (56.Ke3 Ng7 57.Rc8 Nf5 58.Kd3 Ng3-+) 56...Nd4 (56...h5!?=+) 57.Kd3= Ne6 58.Ne4 Kg7 59.Re7 Ra3 60.Kc4?? (better 60.Kd2=) 60...Ra4-+ 61.Kd5 Ra5?? (better 61...Kf8 62.Re6 fe6 63.Ke5 Ke7-+) 62.Kc6= Ra6 63.Kb5 Ra3 64.Nd6 Rg3 65.Rf7 Kg8 66.Rf6 Nd4 67.Kc4 Ne2 68.Kd5 Rh3 69.Rg6 Kf8 70.Rf6 Kg7 71.Ne8 Kg8 72.f5 Re3 73.Nd6 (worse 73.Rh6 Re8 74.Kd6 Nd4=+) 73...Nf4 74.Kd4 Re1 (74...h5+=) 75.Ne4 (better 75.Rh6!? Kg7 76.Rh4 Ne2 77.Kc5 Rc1 78.Kb4+/-) 75...h5 76.Rh6 Rh1 (76...Kg7!? 77.Ra6 h4=) 77.Ke5 Nd3 78.Kf6 h4?? (78...Nf4 79.Nd6+=) 79.Rg6 (better 79.Ke7 Re1 80.Rh4+-) 79...Kf8+= 80.Ng5 Nf4 Black prepares h3 81.Rh6 h3?? (better 81...Nd5 82.Ke6 Nc7 83.Ke5 Ne8+=) 82.Rh8 1-0. Bettalli,Francesco (2205) - Hrebenshchykova,Yelyzaveta (1990), UKR-ITA U20 Team Battle, 2020. (=1.e4 c5 2.Nf3 e6 3.a3 Nc6 4.b4 cb4 5.ab4 Bb4 6.c3)

    9.0-0 0-0 10.e5 de5 11.de5 Nd5 12.Qe2 f5 13.ef6 Nf6 14.Rd1 Qc7 15.Na3 a6 16.Nb5 Qb8 17.Nbd4 Nd4 18.cd4 b5 19.Ng5 Qb6 20.Bb5 h6 21.Nf3 Bb7 22.Bd3 Bb4 23.Ne5 a5 24.Qe3 Bd6 25.Rb1 Qc7 26.Qg3 Ne4 (26...Nd7 27.Qg6 Ne5 28.de5 Be5 29.Qe6 Qf7+/-) 27.Rb7?? (better is 27.Qg6 Be5 28.de5+-) 27...Qb7= 28.Qg4 Ng5 (28...Be5 29.Be4 Qf7 30.Be3=) 29.h4 (29.Bg5 Be5 30.de5 hg5+-) 29...Be5 30.hg5 Qf7? (better is 30...Bb8 31.Ba3 Qf7 32.Bf8 Kf8 33.gh6 gh6+/-) 31.de5+- Qf2 32.Kh2 a4 (32...hg5 33.Qe6 Qf7+-) 33.gh6 (33.Qe6?! Qf7 34.Qg4 Qe8+-) 33...Rf7 34.Rf1 Qa7 35.Qe6 Raf8 36.Bg6 Qe7 37.h7 (37.h7 Kh8 38.Qe7 (38.Bf7?! Qe6 39.Be6 Rf1+-) 38...Rf1 39.Bg5 a3 40.Bf6 R8f6 41.ef6 Rh1 42.Kh1 gf6 43.Qf6#; 37.Qe7 gh6 38.Bh6 Ra8 39.Qf7 Kh8 40.Bg7) 1–0. Rocha,Sergio (2350) – Gaspar,Artur, Lisbon district, 1993. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    9.0-0 e5 10.d5 Nb8 11.Be3 Nbd7 12.Na3 0-0 13.Nc4 b6 14.Nfd2 Qc7 15.f4 Nc5 16.fe5 Ng4 (worse is 16...Nd3 17.ef6 Bf6 18.Bb6 ab6 19.Ra8+=; 16...de5?! 17.Qb1-/+) 17.Qe2 de5 18.Bc5 Bc5 (18...bc5?! 19.Nf3 Bd6 20.Ra2=; worse is 18...Qc5 19.Kh1-/+) 19.Kh1 Qe7 20.Nf3 f6 21.h3 Nh6 22.Qa2 Nf7 23.Qb3 Bd7 24.Ra6 g5 25.Nh2 h5 26.Be2 g4 27.hg4 hg4 28.d6 (28.Ng4 Ng5 29.Nd2 Bg4 30.d6 Kg7 31.Bg4 Rh8 32.Bh3 Qd6-+) 28...Qd8 29.Ng4 Kg7 (29...Nd6? 30.Nd6 Kg7 31.Nf5 Bf5 32.Rf5+-) 30.g3? (30.Nh2 Rh8 (30...Nd6?! 31.Nd6 Bd6 32.Rd1=; 30...Bd6?! 31.Nd6 Nd6 32.Qd5+=) 31.Nd2 Nd6-+ (31...Bd6?! 32.Qd5-+)) 30...Ng5 (30...Qc8 31.Nce3 Nd6 32.Qd5-+) 31.Kg2 Qc8 32.Nce3 Be3 33.Ne3 Bh3 34.Kh2 Rh8 35.Kg1 Qc5 36.c4 Bf1 37.Kf1? (37.Bf1 Rhd8 38.Bg2-+) 37...Ne4 38.Kg2 Nd6 39.Ra1 Qc6 40.Nd5 Rh6 41.Qf3 a5 42.Rh1 Rah8 0–1. Dimitrov,Pavel (2140) – Radulov,Ivan (2350), BUL–chT Plovdiv, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7)

    9.Na3 e5 10.h3 0-0 11.Nc2 d5 12.ed5 Nd5 13.Ne5 Nc3 14.Nc6 bc6 15.Qd2 (better is 15.Bh7!? Kh7 16.Qd3 Kh8 17.Qc3=) 15...Nd5-/+ 16.0-0 Be6 17.Ba3 Re8 18.Be7 Qe7 19.Ra6 Qh4 20.Re1 Nf4 21.Bf1 (21.Rc6?? Qg5 (21...Nd3?! 22.Qd3 a5 23.Qf3=) 22.Ne3 Ng2-+) 21...Qg5 22.Kh2 Bc4 23.Ra5 f5?? (better is 23...Bd5+=) 24.Bc4+- (24.Bc4 Kh8 25.Re8 Re8 26.g3 Nh3 27.Qg5 Ng5 28.Ra7+-) 1–0. Christensen,Bo (2285) – Hornsgaard,J (2040), Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7)

    9.h4 0-0 10.0-0 d5 11.e5 Ne4 12.Nbd2 Nc3 13.Qc2 Ne4.

    9.h4 a6 10.Na3 (10.0-0 0-0-/+ 11.Nbd2 Ng4 12.Nc4 Bh4 13.d5 Nce5; 10.Qe2 0-0 11.0-0 Ng4 12.Bg5 f6 13.Bf4 e5) 10...d5 (10...0-0 11.Qc2-/+ (11.0-0 Bd7 12.Nc4 b5 13.Nd6 Bd6) 11...Bd7 12.0-0 Ng4 13.Nc4 b5) 11.e5+= Nd7 (11...Ne4 12.Qc2 Nc3 13.Bd2 Ne4) 12.Ng5 (12.Qc2 h6+= 13.0-0 Nb6; 12.c4 0-0 13.0-0 Nb4) 12...h6 (12...Qa5 13.Bb2-/+ h6) 13.Qh5 (13.Ne6!? fe6 14.Bg6 Kf8 15.Qf3 Nf6 16.ef6 Bf6 17.Bf4=) 13...0-0-/+ (13...Nce5=) 14.Nh7 Qa5 15.Bd2 Ba3 16.Nf8 Nf8 (better is 16...Kf8!? 17.Ke2 b5-/+) 17.Qd1= b5 (17...Nd7 18.f4=) 18.Qb3+= b4 (18...Nd4!? 19.cd4 b4+=) 19.cb4+/- Nb4 20.Ra3 Nd3 21.Qd3 Qb6 (21...Qd8 22.Ra1+/-) 22.0-0 Bd7 23.Rb1 Bb5?? (better is 23...Qc7+/-) 24.Rb5!+- ab5 25.Ra8 Qb7 26.Qa3 (26.Qa3 b4 27.Bb4+-) 1–0. Vogiatzis,D (2045) – Junk,Philipp, 3rd LGA Premium Cup, Nuernberg GER, 2006. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    9.h4 Bd7 10.0-0 0-0 11.Nbd2 Qc7 12.Bb2 a6 13.Nc4 Ne4.

    9.h4 e5 10.Bb5 (better is 10.d5!? Nb8 11.h5+=) 10...ed4-/+ 11.cd4 Bd7 12.0-0 (better is 12.d5!? Ne5 13.Bd7 Qd7 14.Ne5 de5 15.Qf3-/+) 12...Ne4-+ 13.d5 Ne5 14.Bd7 Qd7 15.Ne5 de5 (15...Bh4?? 16.Nd7 Bf2 17.Rf2 Nf2 18.Qa4+-) 16.Re1 Nf6 17.Re5 0-0 18.Nc3 Rad8 19.Bg5 a6 20.Qf3 Qd6 21.Rae1 Rd7 22.Rf5 b5 23.Re7?? (better is 23.Bf6!? Bf6 24.Ne4=) 23...Qe7?? (better is 23...Re7 24.Bf4 Qd8-+) 24.Rf6+= Qe1 (24...gf6? 25.Bf6 Qf6 26.Qf6+-) 25.Kh2 Qe5 (25...gf6?? 26.Bf6 Qe5 27.Be5+-) 26.g3 b4 (26...gf6?? 27.Bf6 Qf6 28.Qf6+-) 27.Ne4 Rd5 28.Rf4?? (28.Bf4 Qd4 (28...gf6?? 29.Be5 Re5 30.Nf6 Kg7 31.Nd7+-) 29.Ra6 b3+=) 28...f6?? (better is 28...f5 29.Be7 Qe7 30.Nf6 Rf6 31.Qd5 Qe6-/+) 29.Nf6 gf6 30.Bf6 Rf6 31.Rf6+= Rd8 32.Qg4 Kh8 33.Rf7 b3? 34.Qf3+/- Qg7?? 35.Rg7+- Kg7 36.Qb3 Rd7 37.Qb2 Kf7 38.Qa2 Ke7 39.Qa6 Rd6 40.Qb7 Rd7 41.Qe4 Kd8 42.Qg4 Re7 43.Qg5 Kd7 44.f4 Re6 45.Kh3 Re3 46.Qg7 Kd6 47.Qh7 Rg3 (47...Rg3 48.Kg3 Kd5 49.Qf5 Kc4 50.Qe4 Kc5 51.f5 Kb5 52.f6 Kb6 53.f7 Kb5 54.f8Q Kb6 55.Qb8 Kc5 56.Qbb4) 0–1. Permuy Lorenzo,Carlos Javier (2300) – Pellows,Bennet (2080), Dos Hermanas Internet qual–A, 2009. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d6)

    7.d4 Nf6

    8.Bd3 d5 9.e5 Nd7 10.h4 h6 11.g4 a6 0–1. Pekrul,Elmer – Marchena Perez,Angel, ICCF–Cup8 V199 corr, 1990. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 Nf6)

    8.Bd3 d6 9.0-0 0-0 10.Qe2 b6 (10...Bd7 11.Ba3=+) 11.Rd1 (11.e5 Nd5=) 11...Qc7=+ 12.Na3 a6 13.c4 (13.Nb5 Qb7 14.Na3 b5=+) 13...e5 (13...Nb4 14.Bb1 Bb7 15.Bf4-/+) 14.h3 (14.Nc2 Bg4=+) 14...Bd7 (14...Bb7 15.Nc2=+) 15.Nc2 Rfd8 (15...Rfc8 16.Be3-/+) 16.Ba3 (16.Bb2 ed4 17.Nfd4 Ne5=+) 16...Be8 (16...Rdc8 17.d5 Na5 18.Ne5 Bh3 19.Nf3=+) 17.Ne3 (better 17.Bb2=+) 17...g6 (17...Nd4 18.Nd4 ed4 19.Nf5=+) 18.Rac1 (18.Nd5 Nd5 19.cd5 Nd4 20.Nd4 ed4 21.Ba6 Ba4=) 18...ed4 (18...Nd4 19.Nd4 ed4 20.Nd5 Nd5 21.cd5=+) 19.Nd5= Qa7 (19...Qb7 20.Bb2=) 20.Qb2 The isolani on d4 becomes a target (20.Bb2 Ne5=) 20...Ne5 (20...Nd5!? 21.cd5 Ne5 22.Nd4 Bg5=+) 21.Ne5+= (worse 21.Qd4 Nd5 22.cd5 b5-/+ (worse 22...Nd3 23.Rd3 b5 24.Qc3=); 21.Nb6? Rab8 22.Rb1 Nf3 23.gf3 Nd7 24.Qd4 Rb6 25.Rb6 Qb6 26.Qb6 Nb6-+; 21.Nd4 Ba4 22.Nb3 b5-/+ (worse 22...Nd3 23.Nf6 Bf6 24.Qf6+=)) 21...Nd5 22.Nc6 (better 22.Nf7!? Bf7 23.cd5+=) 22...Bc6=+ 23.ed5 Ba4 24.Bc2 (24.Re1 Bf6=+) 24...Bc2 25.Qc2 Rac8 (25...Bf6 26.Bb2-/+) 26.Qd3 (26.Rd4 Qc7=+) 26...Bf6-/+ 27.Bb2 b5! 28.cb5 Rc1 (28...ab5 29.Rb1-/+) 29.Bc1=+ ab5 30.Qb5 Qc5 (30...Be5 31.Qc6=+) 31.Qb3 Rc8 32.Bb2 Qc4 33.Qf3 (33.Qb7!?-/+) 33...Be5 34.Rc1?? (better 34.Ba1-/+) 34…Qc1 (34...Qc1 35.Bc1 Rc1 36.Qd1 Rd1) 0–1. Haase,Wolfgang (2140) – Hajenius,Willem (2005), World Senior Teams 65+, 2016. (=1.e4 c5 2.a3 e6 3.Nf3 Nc6 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Nf6)

    8.Bd3 d6 9.h4 h6 10.Qe2 Qc7 11.Bd2 a6 12.Na3 Rb8 13.0-0 b5 14.Rfb1 d5 15.e5 Nd7 16.Nc2 Nb6 17.g3 Nc4 18.Bf4 a5 19.Kg2 a4 20.h5 N6a5 21.Nb4 Nb3 22.Ra2 Qb6 23.Bc4 dc4 (23...bc4?! 24.Ra4 0-0 25.Qa2+=) 24.d5 Bb4 25.cb4 Bb7 26.Kh3? (better is 26.Be3 Qd8 27.d6-+) 26...Bd5 27.Be3 Qc7 28.Bf4 Qe7 29.Rd1 Rd8 30.Qe3 Qb7 (30...Qb7 31.Nd2 Bf3-+) 0–1. Vogiatzis,Dimitrios (1970) – Fredrich,Viktor (2005), Landesliga Nord, 2007. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 Nf6)

    8.Bd3 h6 9.0-0 0-0 10.Be3 Ng4 11.Bd2 Nf6 12.Na3 d6 13.Nc2 e5 14.d5 Nb8 15.h3 Nbd7 16.Nfe1 Nc5 17.Qe2 Qc7 18.f4 Nfd7 19.f5 Nb3 20.Rb1 Nd2 21.Qd2 Bg5 22.Qe2 Qc3 23.Rf3 Qc7 24.Ne3 Nc5 25.Ng4 Nd7 26.Rf1?? (26.Ne3 a5 27.Bb5-+) 26...a6 27.Nf3 Bf6 28.Qd2 Kh7 29.Nf6 Nf6 30.g4 Rh8 31.Qg2 Qc5 32.Kh2 Qe3 33.Bc2 b5 34.Rb3 Qa7 35.g5 hg5 36.Qg5 Kg8 37.Rg1 Ne8 38.Nh4?? Qf2 39.Ng2 Qc2 40.Rg3 Qe4 41.Ne3 Qh4 42.Qh4 Rh4 43.f6 g6 44.Rg6 fg6 45.Rg6 Kf7 (45...Kf7 46.Rg3 Nf6-+) 0–1. Wenske,Hardy – Buessing,Olaf, GER–ch Polizei, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.Nf3 Nc6 6.c3 Be7 7.d4 Nf6)

    8.d5!? Na5 9.Qa4 b6 10.d6 Bf8 11.e5 Ng8 12.Nd4 Bb7 13.Nb5 Rc8 14.Be3 Bc6+=.

    8.d5!? Na5 9.d6+/- Bf8 10.e5 Nd5 11.c4 Nb4 12.Nc3 a6 13.Rb1 Nac6 14.Qa4 a5+=.

    8.d5 Na5 9.d6 Bf8 10.e5 Nd5 11.c4 Nb4 12.Nc3 a6 13.Be3 Rb8 14.Qb1 (14.Bg5 Qb6+-) 14...Nac6 15.Ra4 a5 16.Nb5 f6 17.Nc7 Kf7 18.Bb6 fe5 19.Ne6 Qf6 20.Neg5 (20.Nf8?! Kf8 21.Ba5 Na6+=) 20...Kg8 21.c5 g6 22.Bc4 Kg7 23.Nf7 e4 (23...Qf4 24.Bb3 Rg8+-) 24.Qe4 (24.Nh8 ef3 25.0-0 fg2-/+) 24...Qc3 25.Ke2 (25.Kd1 Nd3 26.Qd3 Qd3 27.Bd3 Kf7+-) 25...Qb2 26.Nd2 Nd4 (26...Rg8+-) 27.Kd1 Nb5 (27...Ne6 28.Nh8 Kh8 29.Qb1+- (worse 29.Ra5 Bh6 30.Nb3 Na2+-)) 28.Bb5 Kf7 29.Bc4 (better 29.Qc4 Kg7 30.Ba5 Nd5 31.Qd5 b6+-) 29...Kg7 30.Rb4! ab4 (30...ab4 31.Ke2 Combination; 30...Qb4 31.Qd4 Deflection) 31.c6! Qa1 (31...bc6 32.Bd4 Double attack; 31...dc6 32.Bd4 Double attack) 32.Ke2 Qh1 (32...Qf6 33.Bd4 Bd6 34.Bf6 Kf6 35.Qd4 Kg5 36.Ne4 Kh6 37.Nd6 Rf8 38.Qh4 Kg7 39.Qe7 Rf7 40.Ne8 Kh8 41.Qe5 Kg8 42.Qg7) 33.Bd4 (33.Bd4 Kh6 34.Qh4) 1–0. Pols,Wiggert – Wagenvoorde,Guido, Dutch B Youth, 2016. (=1.e4 c5 2.Nf3 e6 3.a3 Nc6 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 Nf6)

    8.d5!? Nb8 9.d6 Bf8 10.e5 Nd5 11.Bc4 Nb6 12.Bd3 Nc6 13.Bg5 Ne7 14.Nd4 a6 +-.

    8.d5+= Ne4 9.dc6 dc6 10.Qd8 (10.Qc2 Nf6+=) 10...Bd8 11.Be3 Bf6 12.Ra3 (12.Ba7? Nc3 13.Nbd2 Nb5-+) 12...a5 13.Bd3 Nd6 14.Bc5 (14.c4 e5 15.Nc3 Nf5+=) 14...Nb5 15.Bb5 cb5 16.Nbd2 Be7 17.Be7 Ke7 18.Ke2 Bd7 (18...b6 19.Re1=) 19.Ne5 Bc6 20.Nc6 bc6 21.Nb3 a4 22.Nd4 Rhc8 23.Ra2 g6 24.f4 f6 25.Re1 e5 26.fe5 fe5 27.Kd3 Kd6 28.Nf3 Re8 29.Ke4 c5 (29...Kc7!?=) 30.Rd1+= Kc7 31.Rd5 Kb6 32.Rd6 Ka5 33.Ne5 b4 34.cb4+/- cb4 35.Rd5 Kb6 36.Kd4 b3 37.Rf2 Re6?? 38.Nc4+- Kc6 39.Rf7 (39.Rf7 Rd8 40.Rd8 a3 41.Rc8 Kb5 42.Rc5 Ka4 43.Ra5 Kb4 44.Rb7 Rb6 45.Rb6) 1–0. Frohberg,Marco (2220) – Hass,Manfred, Schleswig Holstein–ch VM, 2002. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 Nf6)

    8.e5 Nd5+= 9.Bd3 (9.c4 Nc7 (9...Nb6 10.Bd3 Nb4 11.0-0 0-0 12.Ba3 f6 13.Bb4 Bb4 14.Qb3 a5= –0.06) 10.c5 f6 11.ef6 Bf6 12.Bf4 0-0 13.Bd6 Be7 14.Be7 Qe7+= –0.47) 9...d6 10.0-0 (10.ed6 Bd6 11.0-0 0-0 12.Qc2 h6 13.Re1 Re8 14.Nbd2 Bf4+= –0.44) 10...de5 11.de5 (11.Ne5 Ne5 12.de5 Qc7 13.Bb5 Bd7 14.Bd7 Qd7+= –0.53) 11...h6 (11...Qc7 12.Qe2 0-0 13.Rd1 b6 14.Ba3 Ba3+= –0.69) 12.Qe2 (12.c4 Ndb4 13.Be4 Qc7 14.Bf4 0-0+= –0.50) 12...a6 (12...0-0 13.Rd1 Qc7 14.Qe4 f5+= –0.41) 13.Rd1 (13.c4 Ndb4 14.Be4 Qc7+= –0.47) 13...Qc7 14.Ra4 (14.Be4 Na5+= –0.34) 14...Bd7 (14...0-0+= –0.50) 15.Rg4 g5 16.h4 h5 17.Rg5 Bg5 18.Bg5 Nce7 19.c4 Nb4 20.Bf6 Rg8 21.Ng5 Nd3 22.Rd3 Ng6 23.Rd4 Qb6 24.Qd1 Bc6 25.Nc3 Rc8 (better is 25...Ne7=) 26.Nce4 Be4 27.Ne4 Kf8 28.c5 Qc6 29.Qh5 1–0. Pucarevic,Milenko (2250) – Stojanovic,Sasja M (2070), Belgrade Premier League, 2011. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 Nf6)

    8.e5 Ne4 A) 9.Qc2 d5 (9...f5 10.Bd3 d5 11.ed6 Nd6 12.0-0 0-0 13.Qe2 Bd7 14.Bf4 a6= 0.00) 10.Bd3 f5 11.ef6 Nf6 12.Bg5 Qc7 13.Na3 e5 14.Nb5 Qb8+= –0.53; B) 9.Ba3 0-0 (9...Ba3 10.Ra3 d5 11.Bd3 0-0 12.Be4 de4 13.Nfd2 Qg5 14.0-0 e3= –0.22; 9...d5 10.Be7 Qe7 11.Bd3 0-0 12.Be4 de4 13.Nfd2 Qg5 14.0-0 e3+= –0.28) 10.Be7 Qe7 11.Bd3 d5 12.0-0 f5 13.c4 dc4 14.Bc4 Rd8+= –0.47; C) 9.Bd3 d5 10.Qc2 f5 11.ef6 Nf6 12.Bg5 Qc7 13.Na3 a6 14.0-0 Ra7+= –0.28.

    8.e5 Ng8 A) 9.Bd3 d5 (9...d6 10.0-0 de5 11.Ne5 Nf6 12.Ba3 0-0 13.Nc6 bc6 14.Qf3 Ba3= –0.19; 9...b6 10.Qc2 h6 11.0-0 Bb7 12.Nbd2 d6 13.Ba3 de5 14.de5 Ba3= 0.03; 9...Qc7 10.Nbd2 f6 11.Qe2 b6 12.0-0 Bb7 13.Rd1 Nd8 14.Ba3 Ba3= –0.03) 10.0-0 Bd7 11.Nbd2 Qc7 12.Ba3 f6 13.Re1 fe5 14.de5 Ba3= –0.19; B) 9.Bb5 a6 (9...d6 10.Nbd2 d5 11.0-0 Bd7 12.Bd3 Qc7 13.Re1 Nh6 14.Qc2 Rc8= –0.13; 9...d5 10.0-0 Bd7 11.Bd3 Rc8 12.Nbd2 Qc7 13.Ba3 Ba3 14.Ra3 Nge7= –0.13) 10.0-0 d5 11.ed6 Bd6 12.Nbd2 Ra7 13.Bc6 bc6 14.Nc4 Bc7= –0.22; C) 9.Be2 d6 (9...d5 10.0-0 Bd7 11.Be3 b5 12.Bd3 a6 13.Nbd2 Ra7 14.Qc2 f5= –0.19; 9...a6 10.c4 d6 11.0-0 de5 12.de5 f6 13.Bd3 fe5 14.Bb2 Bd6+= –0.38; 9...Qc7 10.Na3 d6 11.Nb5 Qd8 12.0-0 a6 13.ed6 Bd6 14.Nd6 Qd6= 0.19) 10.0-0 de5 11.de5 Qc7 12.Bf4 a6 13.Nbd2 g5 14.Bg3 h5-/+ –0.81; D) 9.Bf4 b6 (9...d6 10.Bd3 de5 11.Ne5 Nf6 12.0-0 0-0 13.Re1 Nd5 14.Nc6 bc6= –0.09; 9...d5 10.Bd3 g5 11.Be3 h5 12.Nfd2 h4 13.0-0 h3 14.g3 Nh6= –0.09) 10.d5 ed5 11.Qd5 Bc5 12.Bc4 Qe7 13.Ng5 Nh6 14.Ne4 Ng4= –0.19.

    4.Nf3 d5

    5.Bb5 Bd7 6.Bd7 Qd7 7.ed5 Qd5 8.0-0 =+.

    5.ed5 ed5 6.ab4 Bb4 7.c3 (7.Bb5 Nc6+=) 7...Bd6-/+ 8.d4 (8.Na3 Nf6-/+) 8...Nf6 9.Bd3 Qe7 10.Be2 (10.Qe2 Qe2 11.Ke2 0-0-/+) 10...0-0 11.0-0 h6 (11...Nc6!? 12.Re1-/+) 12.Re1-/+ Be6 (12...Nc6 13.Bd3 Be6 14.Ba3-/+) 13.Na3+= Rd8 (13...Nc6 14.Nb5 Rfe8 15.Bd3=) 14.Nb5= Nc6 15.Bd3 a6 16.Nd6 Qd6 (worse is 16...Rd6 17.Ba3+/-) 17.Ne5 Nd7 18.Qh5 Nce5 19.de5 Qf8 20.Ba3 Nc5 21.f4 d4 (21...g6 22.Qf3+=) 22.f5 Bd5?? (better is 22...dc3 23.fe6 Rd3+-) 23.c4 (better is 23.cd4 Nd3 24.Bf8 Ne1 25.Bg7 Nf3 26.gf3 Kg7 27.e6+-) 23...Bc6 24.e6 fe6 25.fe6 (25.fe6 Nd3 26.Bf8 Rf8 27.Rf1+-) 1–0. Farkas,Ga1 (2245) – Jiruse,J (2050), 21st Pobeskydi Arcelor Mittal Cup, Fryd, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    5.ed5 ed5 6.d4 Nc6 7.ab4 (7.Bb5 Qe7 8.Be2 Nf6=+) 7...Bb4-/+ 8.c3 Be7 (8...Bd6 9.Bd3-/+) 9.Bd3 Nf6 10.0-0 0-0 11.Re1 Bg4 (11...Re8-/+) 12.Qc2 (12.Bf4!?-/+) 12...Bf3-+ 13.gf3 Qc7 14.Kh1 (14.Bg5 h6 15.Bf6 Bf6-+ (15...gf6?! 16.Qd2 Kg7 17.Kh1=)) 14...Rac8 (14...Rfe8 15.Na3-+) 15.Bf5 (15.Bg5 Qd6-/+) 15...Nd4! 16.cd4 Qc2 17.Bc2 Rc2 18.Ra7 Bb4 19.Rf1 Rc7 (19...b6 20.Bg5-+) 20.Na3 (20.Bf4 Rd7-/+) 20...Rfc8-+ 21.Bf4 Rc3 22.Nb5 Rf3 23.Be3 (23.Bg3 Rb3 24.Rb7 Bd2-/+) 23...Ng4-+ 24.Rb1 Ne3 25.fe3 Bf8 26.Nc3 0–1. Korman,Roman (1770) – Suliborski,Artur (1940), European Amateur Chess Championship SLO, 2016. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 d5)

    5.e5 a5 6.ab4 Bb4 7.c3 Bc5 8.d4 Bb6 9.Bd3 Ne7 10.Na3 h6 11.Nb5 0-0 12.Ba3 f6 13.0-0 Nbc6 14.ef6 Rf6 15.Re1 Ng6 16.Nd6 Nf4 17.Bb1 Bc7 18.Nb5 Bb8 19.Qc2 Rg6 (19...Rf5 20.Re3=+) 20.g3= Qf6? (20...Rg4!?=) 21.Kh1 (21.Kf1 e5 22.gf4 e4 23.Re4 de4 24.Qe4 Be6+-) 21...Nh3 22.Re3 (22.Kg2 Ng5 23.Nh4+- (23.Qg6 Qf3 24.Kf1 Bd7-/+)) 22...Rg4= 23.Nd6 Bd6 24.Bd6 Re4 25.Kg2 Re3 26.fe3 Ng5 27.Ng5 Qg5 28.Qh7 Kf7 29.Qh8 (29.Bd3 Ne7 30.Rf1 Nf5 31.Qh8+-) 29...Ne7?? (better 29...Qd8 30.Qd8 Nd8=) 30.Bh7+- Bd7 (30...e5 31.Rf1 Ke6 32.de5 Kd7+- (32...Qe3 33.Bf5 Kf7 34.Bd7 Qf2 35.Rf2 Kg6 36.Be8 Kg5 37.Be7 Kg4 38.Qg7)) 31.Rf1 Nf5 32.Qa8 (32.Qa8 Be8 33.Qb7 Bd7 34.Qd7 Qe7 35.Qe7) 1–0. Herman,Diego (2210) – Warner,Delisle (2215), Internet Section, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 a5)

    5.e5 Qb6 6.ab4 Bb4 7.c3 Bc5 8.d4 Be7 9.Bd3 Bd7 10.Na3 a6 11.0-0 Nc6 12.Ng5 Nh6 (12...Qd8 13.Nf3=+ (worse 13.Nh7 g6-/+)) 13.Qe2 (13.Nh7 Nf5 14.Ng5 Qc7=) 13...Rb8 (13...Nf5 14.Qa2=+) 14.Bd2 (14.Nh7 Nf5 15.Bf5 ef5+=) 14...Qd8 (14...Nf5 15.Rfb1 Qc7 16.Nc2=+) 15.f4 (15.Qh5 Bf8=) 15...Bg5 (15...Nf5!?=+) 16.fg5= Nf5 17.g4 (better 17.Qf3 Qe7 18.Qf2=) 17...0-0?? (better 17...Nfe7=+) 18.gf5+- (18.Bf5?! ef5 19.gf5 Re8+=) 18...ef5 19.Bf5 (19.Qf3 Be6+-) 19...Bf5 20.Rf5 Ne7 21.Rf3 Qd7 22.Raf1 Qe6 23.Nc2 Rbc8 24.Ne3 Rc7 25.Kg2 Qg6 26.Nf5 Qh5 (26...Nf5 27.Rf5 Rd8 28.R5f2+-) 27.Ng3 Qg6? (27...Qg4 28.e6! Ng6 29.Rf7 Qe2 30.Ne2 Rcf7 31.ef7 Rf7 32.Ra1+-) 28.h4 (better 28.e6!? f6+-) 28...Qc2 (28...Qe6 29.h5+-) 29.e6 (29.h5!? Nc6+-) 29...Ng6 30.Rf7 Re7?? (30...Rcf7 31.Rf7 Rf7 32.ef7 Kf7+-) 31.h5 (31.Re7 Ne7 32.Rf8 Kf8 33.Qf3 Kg8 34.Qf7 Kh8 35.Qe7 h6 36.Qf8 Kh7+-) 31...Rff7 32.Rf7 (32.Rf7 Rf7 33.ef7 (33.hg6?! Re7+-) 33...Kf7 34.hg6 hg6 35.Kf3+-; worse 32.ef7 Kf8 33.Qf2 Nh8+-; 32.hg6?! Rf1 33.gh7 Qh7 34.Nf1 Qf5+=) 1–0. Herbold,M (2065) – Vagovsky,J (1930), 31st Liechtenstein Open, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qb6)

    5.e5 Qb6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7 9.Na3 a6 10.Bd3 f5 (10...Qc6 11.Qb3=) 11.0-0 Qc7 12.Re1 (better 12.Qb3=) 12...b5?? (better 12...Qc3 13.Bd2 Qc8=+) 13.Nb5!+- Bb5 (13...ab5 14.Ra8 Pinning (14.Ra8 Deflection; 14.Ra8 Clearance); 13...Bb5 14.Bb5 Double attack) 14.Bb5+- Nd7 15.Ra6 (better 15.Ng5!? Ne7 16.Ne6+-) 15...Ra6+- 16.Ba6 Qc3 17.Bd2 Qc6 18.Qe2 Ne7 19.Rc1 Qb6 20.Bb5 (better 20.Qb5 g6 21.Ba5 Qb5 22.Bb5+-) 20...h6 21.Qd3 g5 22.Rb1 Qa7 23.Ba6 Nc6 24.Rb7 Qa8 25.Qb5 (better 25.Rc7 Kd8 26.Rc8 Qc8 27.Bc8 Kc8 28.Qa6 Kc7 29.Ba5 Na5 30.Qa5 Kb7 31.Qb5 Kc7 32.Qa6+-) 25...Ndb8?? (better 25...Ncb8+-) 26.Rb8!+- Qb8 27.Qc6 Kf7 28.Bc8 Qb1 (28...Bd6 29.Qd7 (29.Qd6?! Qc8 30.Bb4 Qd8+-) 29...Be7 30.Qe6 Kf8 31.Qf5 Kg7 32.Qd7 Qb1 33.Be1 Rc8 34.Qc8+-) 29.Ne1 Kg7 (29...Be7 30.Be6 Kg6 31.Bd5 Kh7+-) 30.Qd7 Kg6 31.Qe6 Kh5 (31...Kg7 32.Qf6 Kh7 33.Qf7 Bg7 34.Bf5 Qf5 35.Qf5 Kg8 36.e6 g4 37.e7 g3 38.e8Q Bf8 39.Qef8) 32.Qf7 Kh4 (32...Kg4 33.f3 Kh4 34.g3 Kh3 35.Qh5) 33.g3 (33.g3 Kg4 34.f3 Kh3 35.Qh5) 1–0. Nivat,Alain – Voogt,Jonathan, Open Condom FRA, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qb6)

    5.e5 Qb6 6.d4 Bd7 7.ab4 Bb4 8.c3 Ba5 9.Bd3=+.

    5.e5 Qb6 6.d4 Bd7 7.ab4 Bb4 8.c3 Be7 9.Na3 a6 10.Bd3 Nh6 (10...Qc7 11.Qc2=) 11.0-0 (11.Bh6 gh6 12.Qd2 Nc6+=) 11...Nf5 12.g4 Nh4 13.Nh4 Bh4 14.g5 h6?? (better 14...Qc7=) 15.Qh5+- Nc6 (better 15...Qa5 16.Nc2 Qc3+-) 16.Qh4 0-0-0 (16...Qd8 17.Qg3 hg5 18.Bg5+-) 17.Be3 (17.gh6!? gh6 18.Qf6 Rdg8 19.Kh1 Qd8 20.Qf7 Qh4+-) 17...hg5 18.Qg5 f6 19.Qg3 f5 (19...Qc7 20.f4 Rdg8+-) 20.c4 (20.Qg7 Rdg8 21.Qg3 Rg3 22.hg3 Kd8-/+) 20...g5 (20...Rdf8 21.Rfb1 f4 22.Rb6 (22.Qg7 Qd8 23.Bf4 Rhg8 24.Qg8 Rg8 25.Bg3 Nd4-/+) 22...fg3 23.hg3+- (23.fg3?! Rf3 24.cd5 Re3 25.dc6 Bc6 26.Ba6 Kc7+-)) 21.Rfb1 (21.Qg5 Rdg8 22.Qg8 Rg8 23.Kh1 Ne5-+ (23...Nd4?! 24.cd5 Kb8 25.Bc4-+); 21.Bg5 Qd4 22.Bd8 Kd8 23.cd5 Ne5+-) 21...Qc7 22.Bg5 (22.Qg5?! Rdg8 23.Rc1 Qd8=+) 22...f4 (22...Rdg8 23.cd5 ed5 24.Rc1+-) 23.Qf4 Rdf8 24.Bf6 Ne7 (24...Na5 25.Rc1 Rhg8 26.Kf1+-) 25.Rc1 White prepares c5 (better 25.Nb5!? Bb5 26.cb5 ab5 27.Ra8 Kd7 28.Bb5 Nc6+-) 25...Bc6 26.Nb5! Qd7 (26...ab5 27.Ra8 Decoy) 27.Na7 Kb8 28.Nc6 Nc6 29.c5 Rfg8 30.Kf1 (better 30.Kh1 Rh3 31.Bf1 Rb3+-) 30...Qf7 (30...Rh3 31.Ra3 Nb4+-) 31.Rcb1 Kc7 32.Rb6 Qh5 (32...Ra8 33.Rab1 Ra7 34.Bg6 Qg6 35.Bh8+-) 33.Rab1 Rg4 (33...Qh3 34.Ke2 Qh5 35.Kd2+-) 34.Rb7 Kc8 35.Ba6 Qh3 (35...Rf4?? 36.Ra7) 36.Ke2 Nd4 (36...Rf4?? 37.Ra7) 37.Qd4! Rd4 (37...Rd4 38.Ra7 Mate attack) 1-0. Luukkonen,T (2280) - Karvinen,K (2105), Helsinki FIN rapid, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qb6)

    5.e5 Qb6 6.d4 Bd7 7.ab4 Bb4 8.c3 Bf8 9.Bd3= Nc6 (9...Ne7 10.Ng5 Nf5 11.Qf3=) 10.0-0 (10.Ng5 g6=) 10...Na5 11.Ng5 (11.Ba3 Ba3 12.Na3 Rc8=) 11...Nb3=+ 12.Qf3 Nh6 (12...Na1?? 13.Qf7 Kd8 14.Qf8 Be8 15.Nf7 Kc7 16.Nh8+-) 13.Ra2 Nc1 14.Rc1 Be7 15.h4 (15.Nh7 Nf5 16.Qh3 Kd8=) 15...Bg5 (15...Nf5 16.Bf5 ef5 17.Nd2=+ (17.Qd5? Bg5 18.hg5 Be6-+)) 16.hg5=+ Nf5 17.Na3 Qd8 18.Rb1 Qg5 19.Bf5 ef5 (19...Qf5 20.Qf5 ef5 21.Nb5=) 20.Rb7 Qc1 21.Kh2 Qh6 22.Qh3 (22.Kg1 Bc6 23.Rb1 0-0=) 22...Qc6 (22...Qe6 23.Nc2=+) 23.Rab2 (23.Nb5!? 0-0 24.Nd6=) 23...0-0=+ 24.f4 f6 25.Nc2 Bc8 26.Re7 a5 27.Ne3 fe5 28.de5? (better 28.Re5 Qc3 29.Nd5 Qh3 30.Kh3=+) 28...Qc3?? (28...Qc5 29.Reb7 Bb7 30.Rb7 Qc8-+ (30...Qc3?! 31.Rg7 Kg7 32.Nf5 Rf5 33.Qc3=)) 29.Rg7+- Kg7 30.Nf5 Bf5 31.Qc3 Rfc8? (31...Be6+-) 32.Rb7 Kh6 (32...Kg8 33.Qd4 Rcb8 34.Qd5 Kh8 35.Rb8 Rb8+-) 33.Qg3 (33.Qg3 Rg8 34.Qh4 Kg6 35.Qh7) 1–0. Nabelek,M (2095) – Dziadykiewicz,T (2065), Open A Ostrava CZE, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qb6)

    5.e5 Qc7 6.ab4 Nc6 7.d4 Bb4 8.c3 Be7 9.Bd3 f6 (9...Bd7 10.0-0=+) 10.Qe2 (10.Bf4 Qb6=) 10...Bd7 11.0-0 a6 12.g4 (better 12.Bf4!? Bf8 13.Nbd2=) 12...fe5-/+ 13.de5 Bc5 14.h4 (14.Ba3 Ba3 15.Na3 Rd8-/+) 14...Nge7 15.h5 0-0 16.Na3 (16.Be3 Be3 17.Qe3 b5-/+) 16...Rf3 17.Qf3 Ne5 18.Qh3 Nd3 19.Qd3 e5 20.Qg3 Rf8 21.Nc2? (better 21.h6-+) 21...Bb5 22.Be3 Bf1 23.Rf1 (23.Bc5 Qc5 24.Rf1 d4-+) 23...Bd6 24.Bd2 d4! 25.Qh3 (25.cd4 Qc2 Pinning (25...Qc2 Deflection)) 25...dc3 26.Bc1 Nd5 27.g5 (27.h6 b5-+) 27...Qf7 28.Qg4 White intends g6 (28.h6 gh6 29.Qh6 Bc5-+) 28...Bc5 29.g6 (29.h6 gh6 30.gh6 Kh8-+) 29...hg6 30.hg6 Qf5 31.Qf5 Rf5 32.Rd1 Nf4 (32...e4 33.Be3 Ne3 34.fe3 Rg5 35.Kf1 Rg6 36.Rd5-+) 33.Bf4 (33.Be3 Be3 34.fe3 Ng6-+) 33...Rf4 (worse 33...ef4 34.Rd8 Rf8 35.Rd3-+) 34.Rd5 b6 (34...Bb6 35.Re5 Rf2 36.Kh1-+) 35.Re5 Rf2 (better 35...Bf2 36.Kg2 Kf8-+) 36.Rc5-/+ bc5 37.Kf2 Kf8 38.Ke2 Ke7 39.Kd3 Kf6 40.Kc3 Kg6 41.Kc4 Kf5 42.Kc5 Ke4 43.Ne1 g5 44.Kb6 Ke3 45.Ka6 Ke2 46.Nc2 Kd2 (46...Kd3 47.Ne1 Ke4=+) 47.Nd4=+ g4 48.Nf5 Ke2 49.Ng3 Kf3 50.Nh5 Kg2 51.Nf6 g3 52.Ne4 Kf3 53.Ng3 ½–½. Volkmer,Andreas (2220) – Puhlmann,Rainer, Oberliga Nord O9899, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qc7)

    5.e5 Ne7 6.d4 (better 6.ab4!? Ng6 7.c3+=) 6...Nf5=+ 7.Bd3 Be7 (7...Nc6 8.Bf5 ef5 9.0-0=+) 8.ab4 (8.g4 Nh6=) 8...Bb4=+ 9.c3 Be7 10.h4 (10.Ba3 Nc6=) 10...h6 11.Ba3 Nd7 (worse 11...Nh4 12.Nh4 Bh4 13.Qg4+-) 12.Be7 Ne7 (worse 12...Qe7 13.g4 Nd6 14.ed6 Qd6 15.Qe2+-) 13.Na3 Nb6 (13...0-0 14.Nb5=) 14.Nb5= 0-0 15.Bc2 (15.Ra7 Ra7 16.Na7 Bd7=) 15...f5 (15...a6 16.Nd6 f5 17.Bd3=) 16.ef6 Rf6 17.Ne5 (17.Qd3 Nf5 18.g4+= (worse 18.Ra7 Bd7 19.0-0 Ra7 20.Na7 Nc4=; 18.Na7?! Bd7=+)) 17...Nc4 (better 17...a6 18.Qd3 Rf5=+ (18...ab5? 19.Qh7 Kf8 20.Qh8 Ng8 21.Ra8+-)) 18.Qd3+- (worse 18.Ra7 Ra7 19.Na7 Qa5 20.Nc8 Qc3 21.Ke2 Nc8=+) 18...Ne5 (better 18...g6!? 19.Ra7 Ra7 20.Na7 Ne5 21.de5 Rf7+=) 19.Qh7+- Kf8 20.de5 Rf4? (20...Rf5 21.Bf5 ef5 22.Rh3+- (22.Na7 Qb6-/+; 22.Ra7?! Ra7 23.Qh8 Ng8 24.Na7 Be6=)) 21.Nd6 (better 21.Qh8 Ng8 22.Bh7+-) 21...Qc7 22.0-0 Bd7?? (better 22...Ng8 23.Qg6 Qe7 24.Ra7 Ra7 25.Nc8 Qc5 26.Na7 Qa7+-) 23.Qh8 Ng8 24.Bh7 1–0. Janos,I (2140) – Mejsnar,Miroslav (1925), Tatry Open Tatranske Zruby SVK, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Ne7)

    5.e5 f5 6.ab4 Bb4 7.c3 Be7 8.d4 Bd7 9.h4 (9.Be2 Qc7=) 9...Nh6 (9...Nc6!?=+) 10.Bh6= gh6 11.Qd2 Bf8 12.Be2 Bg7 (12...Rg8 13.Rh2=) 13.Na3 0-0 (13...Rg8 14.0-0=) 14.0-0 (14.Rh3 a5=) 14...Bc6 15.Nb5 Bb5 16.Bb5 Nd7 (16...a6 17.c4+=) 17.c4 dc4 18.Bc4 Qe7 19.Qa5 (19.Qa2 Rfe8+=) 19...Rfe8 20.Rfb1 Nb6 21.d5?? (21.Bb3 Qd7+=) 21...ed5 (better 21...Nc4 22.d6 Na5 23.de7 b6-+) 22.Bd5+= Kh8 23.Rb6 ab6 24.Qa8 Ra8?? (better 24...Be5 25.Qe8! Qe8+-) 25.Ra8 Bf8 26.Nd4 Qe5 (26...h5 27.Ne6 (27.Nf5?! Qb4 28.Ne3 Qe1 29.Nf1 Kg7=) 27...h6 28.Rf8 Kh7 29.Rc8+-) 27.Ne6 (27.Rf8!? Kg7 28.Rf7 Kh8+-) 27...Qe1 28.Kh2 Qe5 (28...Qe6 29.Be6 Kg7 30.Bf5+-) 29.f4 (29.f4 Qe6 30.Be6+-) 1–0. Dovzik,Juri (2360) – Gentilleau,Jean Philippe (2220), Cannes op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f5)

    5.e5 f5 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6 10.Nfd2 0-0 11.g4 (11.Qf3 Qb6=) 11...fg4 (11...f4 12.Bd3=) 12.Qg4 Kh8 13.Na3 (13.Bd3 Rg8 14.Qh5 Qf8=) 13...Bg5 14.Nb5 Rf4 15.Qg3 Bd7 (15...Nc6 16.h4 Rh4 17.Rh4 Bh4 18.Qh2=) 16.h4 (16.Nd6 Rf8 17.Rg1+- (17.Nb7 Qb6 18.Rg1 Qb2-+)) 16...Rh4= 17.Nd6 Qe7 18.Rh4 Bh4 19.Qg4 Nc6 (19...b6 20.c4=) 20.Nf3+= (worse 20.Nb7 Rf8-/+) 20...Bg5 21.Ng5 hg5 22.Bd3 (22.Nb7 a5+=) 22...Rf8 23.Ke2 Rf4 24.Qg3 Rh4 (24...Be8 25.Ne8 Qe8 26.Qg5=) 25.Nb7+= Be8 26.Nd6 Bh5 Black plans g4 27.Kd2 g4 28.Ra6 (28.Qf4 a5+-) 28...Rh3+= 29.Qf4 Rf3 30.Qh6 Rf2 (30...Nb8 31.Ra5 (31.Qh5 Na6 32.Ba6 Rf2 33.Be2 g3=+) 31...Rf2 32.Ke1=) 31.Ke1 Rh2 32.Rc6 Qh4 33.Kd1 g3 34.Kc1 (34.Kc1 Rh1 35.Kb2 Qh2 36.Bc2 Qc2 37.Kc2 Bd1 38.Kd2 Rh6 39.Nf7 Kg7 40.Nh6-/+) 1–0. Yakivchik,M (2245) – Arutyunova,D (2370), ch–UKR Women, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f5)

    5.e5 f5 6.ab4 Bb4 7.c3 Bf8 8.d4 Nc6 9.Bd3 Nge7 10.h4 (10.0-0 Ng6=) 10...h6 11.h5 Bd7 12.g4 (12.Nbd2 a6=) 12...fg4=+ 13.Nh4 Qb6 (13...Qc7 14.Ng6 Ng6 15.Bg6 Kd8 16.Qg4=+) 14.Qg4= 0-0-0 (14...a5!?=) 15.Nd2 Kb8 16.0-0 g5 17.hg6 Rg8 18.Kh1 (18.Ba3 Nc8+-) 18...Nf5 19.Ba3 (19.Rg1 Nce7+-) 19...Ba3+= 20.Rfb1 (20.Ra3!? Qb2 21.Nb1=) 20...Bb4 21.Bf5 (21.Rb4 Nb4 Combination; 21.cb4 Qd4 Double attack (21...Qd4 Decoy)) 21...ef5 22.Qf4 Be6 (22...Be8 23.Ndf3=+) 23.Ndf3= Qc7 (23...Rd7!?=) 24.cb4+= Ne7 (24...Qb6 25.b5 Ne7 26.Rg1+=) 25.g7 Rg7 26.Rg1 (26.Qh6 Ng6 27.Rc1 Qd7=+) 26...Rg4 (26...Rh7 27.Qc1=+) 27.Qh6 Qc3 28.Rg4 fg4 (28...Qa1 29.Rg1 Qa6 30.Ng5+-) 29.Rg1 Bc8 30.Qf6 Qb4 (30...gf3 31.Qe7 Rh8 32.Qf6-+) 31.Ng5 White prepares the advance e6 31...Qa3 (better 31...Nc6!? 32.Nf7 Rg8-+) 32.e6 (32.Rg3 Qc1 33.Rg1 Qc2 34.Qe7 Rh8=+) 32...Nc6-/+ 33.Rg4? (better 33.Qf4 Ka8 34.Qg4-/+) 33...Rf8-+ 34.Qg7 Rf2 35.Rg1 (35.Ng2 Rf1 36.Kh2 Qd6 37.Rg3 Rf5-+) 35...Qd6 (better 35...Be6!? 36.Qh8 Bc8 37.Qg8-+) 36.Nhf3 Qe7 (36...Re2!? 37.Qh8-+) 37.Qh8 (37.Qf7 Qc7-/+) 37...Kc7 (37...Re2 38.Rc1-/+) 38.Ne5 Nd4 39.Nh3?? (39.Qh4 Rf6 40.Rc1 Nc6 41.Qg3+-) 39...Rc2 (better 39...Rf8 40.Qh6 A) 40...Be6?! 41.Rg7 Bf7 42.Qf4-+; B) 40...Ne6?! 41.Ng6 Rf6 42.Rc1 (42.Ne7?? Rh6 43.Kg2 Kd8 44.Nd5 Rh3 45.Kh3 Nf4 46.Kg3 Nd5-+) 42...Kd7 43.Qh5 Rg6 44.Qg6-+; C) 40...Qe6 41.Qg7 Kb8-+) 40.Rg7+- Rc1 (40...Nc6 41.Re7 Ne7 42.Qf8+-) 41.Kg2 Nf5 42.Re7 Ne7 43.Qf8 Rc2 44.Kf1 (better 44.Nf2!? Nc6 45.Nc6 bc6+-) 44…Kd6 1–0. Kearns,Jerry (2275) – Canney,R, Colorado, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f5)

    5.e5 f5 6.d4 Nh6 (6...Nc6 7.Be2=) 7.Ng5 (7.Bh6 gh6 8.ab4 Bb4 9.c3 Be7=) 7...Nf7 8.Nf7 Kf7 9.g4 (9.ab4 Bb4 10.c3 Be7=) 9...Qh4 10.Rg1 (10.h3 fg4 11.Qg4 Qg4 12.hg4 Nc6=+) 10...Be7 (10...Qh2 11.Rg2 Qh4 12.ab4 Bb4 13.c3-/+) 11.Nd2 (11.ab4 Qh2 12.Rg2=) 11...f4 (better 11...ba3!? 12.c3 Bf8=) 12.Nf3+= Qh6 13.g5 Qh5 14.Bd3 (14.Bf4 ba3 15.g6 Ke8+=) 14...Rf8 (better 14...Ke8!?=) 15.g6+- Kg8 16.gh7 Kh8 17.Bg6 Qh6 18.h4 Nc6 19.ab4 Bb4 20.Bd2 Bd2 21.Qd2 (21.Nd2?! Nd4 22.Nf3 Nf3 23.Qf3 Bd7=; 21.Kd2?! a5+-) 21...Bd7 22.h5 Be8 23.Nh4 f3 (23...b5 24.Qd3 Bd7 25.Qb5+-) 24.Qh6 (24.Rg4 Bg6 25.Ng6 Kh7 26.Nf8 Rf8 27.Qh6 gh6+-) 24...gh6 25.Rg4 Ne7 (25...a5 26.Ra3+-) 26.Kd2 Bb5 27.Rag1 (27.Rb1 Ba6+-) 27...a5 28.Bd3 (better 28.Rb1!? Bc6 29.Bd3+-) 28...Bd3= 29.Kd3 Rf7 30.Rb1 Ra7 (worse 30...Kh7 31.Rb7 a4 32.Ng6+-) 31.Rb6 (31.Ng6 Kh7 32.Nf4 a4 33.Ne6 a3+=) 31...Nc6= 32.Ng6 Kh7 33.Nf4 a4 34.Ne6 a3 35.Rg1 a2 36.Ra1 Ra3 37.c3 Na5 38.Nc5 Attacks the backward pawn on b7 38...Rc7 ½–½. Biro,S (2330) – Kraai,J (2450), FSGM May Budapest HUN, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f5)

    5.e5 ba3

    6.Ba3 Be7 7.Nc3 a6 8.Be2 Nc6 9.0-0 Nh6 10.Be7 Ne7 11.d4 (11.Nb5 0-0=+) 11...0-0 (11...Bd7 12.Bd3=+) 12.Na4 Nc6 13.Qb1 b5 14.Nc5 Qb6 Black prepares b4 (14...Qe7 15.c3=+) 15.c3 Rb8 (15...Ra7 16.Re1=) 16.Qa2 (16.Bd3 Nf5+=) 16...a5 Black intends b4 (16...Ng4 17.Qa3= (worse 17.Na6 Ra8-/+)) 17.Rfb1 b4 18.Qa4 (18.Bd3 f6 19.ef6 Rf6+=) 18...Nf5 (18...f6 19.ef6 Rf6 20.Ne5 Ne5 21.de5 Rf2 22.Kf2 Qc5 23.Kf1=) 19.Bd3 Nfe7 (19...Qc7 20.Qc2=) 20.Qb3 (20.Qc2 Ng6=) 20...h6 (20...f6 21.cb4 fe5 22.de5 ab4 23.Na4-/+) 21.Ra4 (21.Qc2 f6 22.ef6 Rf6=) 21...Qc7 22.Rba1 (22.cb4 ab4 23.Qb2 f6=) 22...bc3 (22...f6 23.ef6 gf6 24.h3=+) 23.Qc3 Rb4 (better 23...f6!?=) 24.Ra5+- Na5 25.Qb4 Nac6 26.Qa4 (26.Qc3 Bb7+-) 26...Bd7 (26...f6 27.Re1+=) 27.Bb5 (27.Qa3 Rc8 28.Na6 Qd8+-) 27...Rc8 28.Nd7 (28.Rb1 Nf5+=) 28...Qd7 29.Nd2 Qc7 30.Nb3 Qb6 31.Rc1 (31.Bd3!?=) 31...Rb8=+ 32.Rc5 Na7 33.Bf1 Qb3 34.Qa7 Qb7 (34...Nf5 35.Rc7 Rf8 36.Rc1=+) 35.Qa4 Nf5 36.Rb5 Ra8 37.Qb4 (better 37.Qd1!? Qa7 38.Rb4=+) 37...Qa7-/+ 38.Rb6 (38.Rc5 Qa1 39.Rc3 Kh7-/+) 38...Qa1 39.Qb2 Qb2 40.Rb2 Nd4 41.f4 g6 42.Kf2 Ra3 (42...g5 43.g3-/+) 43.Rb8 (43.Rd2!? Ra4 44.g3-/+) 43...Kg7-+ 44.Rb2 Rc3 (44...g5 45.fg5 hg5 46.Rd2-+) 45.g3 (45.Rd2 Nb3 46.Rd1 Nc5-+) 45...Rc2 (45...g5!? 46.Bg2 Kg6-+) 46.Rc2-/+ Nc2 47.Bd3 Nd4 48.g4 (48.h4 f6 49.ef6 Kf6-/+) 48...g5-+ 49.Ke3 Nc6 50.Bb5 gf4 51.Kf4 Ne7 52.Ke3 Ng6 53.Kd4 Nh4 54.Ke3 f6 55.ef6 Kf6 56.Kf4 Ng6 57.Ke3 (57.Kg3 e5-+) 57...Ke5 (better 57...Kg5!? 58.Be2-+) 58.Be8 Nf4 (better 58...d4 59.Ke2 Kf6-+) 59.h4? (59.Kf3 Nd3-+) 59...d4 (better 59...Ng2 60.Kf3 Nh4 61.Kg3 Nf5 62.gf5 Kf5-+ (62...ef5?! 63.Kf3-+)) 60.Kf3 Nd5 61.Bg6 (61.g5!? hg5 62.hg5-+) 61...Kf6 62.Bd3 Nc3 63.Kf4 White plans g5 63...e5 64.Kf3 Nd5 (better 64...Na4!?-+) 65.g5=+ hg5 66.hg5 ½–½. Beukema,Stefan – Herman,Jean, BJK CBJ Elite, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.Ba3 Ne7 7.Nc3 a6 8.Bd3 Nbc6 (8...b6 9.0-0=+) 9.0-0 Rb8 (better 9...Bd7=) 10.Bd6+/- Ng6 11.Bb8 Nb8 12.Bg6 hg6 13.d4 Nc6 14.Ne2 g5 15.h3 Na5 16.Ng5 Qg5 17.Ra5 Rh3 18.Ng3 (18.Qc1 Qc1 19.Rc1 Rh6=) 18...Rh6= 19.Qd3 Bb4 20.Raa1 (20.Rb5 Qd2 21.Qd2 Bd2=) 20...Bd7 21.f4 Qh4 22.Qf3 Bb5 23.Rfb1 Bd2 24.f5?? (better 24.Rb5 ab5 25.Qe2=) 24…Qd4-+ (24...Qd4 25.Qf2 Be3-+) 0-1. Shtyka,S (2175) - Santiago,Y (2475), Titled Tuesday, 2021. (=1.e4 C00: French: Unusual White 2nd moves 1...e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.Na3 a6 7.d4 Nc6 8.c3 Bd7 9.Bd3 f5 10.0-0 Nh6 11.Bg5 (11.c4!? Nb4 12.cd5 Nd5 13.Nc4+=) 11...Be7= 12.Bh6 gh6 13.Ne1 (better is 13.Qd2!?=) 13...0-0-/+ 14.Qh5? (14.Nf3 Na5-/+) 14...Kg7 (14...Qa5 15.Nac2 Qc3 16.Rd1-+) 15.f4 (better is 15.Nec2!?-/+) 15...Qa5-+ 16.Rf3 Be8 (16...Qc3 17.Nec2 Qd2-+) 17.Rg3+= Bg6 18.Nac2 (18.Bf1!?-/+) 18...Qc3-+ 19.Qd1 Bh4 (19...Nd4? 20.Bf1 Bc5 21.Rc3 Ne2 22.Kh1 Nc3 23.Qc1+-) 20.Rh3 (20.Re3 Be1 (20...Nd4 21.Bf1 Qb2 22.Qd4 Qd4 23.Nd4+-) 21.Qe1 Qe1 22.Ree1 Rfc8-+) 20...Be1 21.Bf5?? (better is 21.Qe1 Qe1 22.Re1-+) 21...Bf5 (better is 21...Qd2 22.Ne1 Qd1 23.Rd1 Rf5 24.Rb3-+) 22.Rc3 Bc3 23.Ra3 Bc2 24.Qc2 (24.Qg4 Bg6 25.Rc3 Nd4 26.Rc7 Kg8-+) 24...Nd4 (better is 24...Bd4 25.Kh1 Rf4-+) 25.Qd1 Nb5 26.Qg4 Kh8 27.Ra2 Rf5 28.Qf3 (28.g3 h5 29.Qd1 Rg8-+) 28...Be5! 29.g4 (29.fe5 Rf3 Pinning (29...Rf3 Deflection)) 29...Rf4 30.Qe2 (30.Qd3 Nc3 31.Rc2 Rg4 32.Kf1 Rag8 33.Rc3 Rg1 34.Kf2 R8g2 35.Ke3 Rh2 36.Rc8 Kg7 37.Rc7 Kf6 38.Rg7 Kg7 39.Qe2 d4 40.Kd3 Rg3 41.Kd2 Bf4 42.Kd1 Re2 43.Ke2 d3 44.Kf2 Kf6 45.Ke1 Be3 46.Kd1 Rg1) 30...Bd4 31.Kh1 (31.Kg2 Nc3 32.Qd2 Rg4 33.Kh3 Re4-+) 31...Nc3 32.Qg2 Na2 0–1. Pastor Briones,Jose (1840) – Delseny,Serge (1995), Benidorm op U, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.Na3 Bd7 7.c3 Nc6 8.d4 a6 9.Bd3 Rc8 10.0-0 Na5 (10...Nge7 11.Bg5=+) 11.Bb2 (11.Nb1 Nc4=+) 11...Ne7 12.Nd2 (12.Qc2 Ng6=+) 12...Nec6 (12...Ng6 13.Qg4=+) 13.Ra2 Na7 14.Qe2 Be7 (14...Ba3 15.Ba3 Bb5 16.Qg4-/+) 15.Rfa1 0-0 16.Nc2 N5c6 17.Ne3 (17.Ba3 Ba3 18.Ra3 Ne7=) 17...Nb5 18.g3 (18.Qh5 g6 19.Qe2 Nb8=) 18...Nb8 The backward pawn on c3 becomes a target (18...Nca7 19.Bc2-/+) 19.Rc1=+ Nc7 20.Bc2 (20.Rb1 Bb5-/+) 20...Bb5-/+ 21.Qg4 (21.c4 dc4 22.Ndc4 Nd5-/+) 21...g6 (21...Nc6 22.Qh5 g6 23.Qg4-/+) 22.Raa1 (22.Bb3 Nc6-/+) 22...Nd7 23.Re1 Ne8 (23...f5 24.Qf3-/+) 24.Qh3 Nb6 25.f4 (25.Nb1 Nc7=+) 25...Ng7 26.Nf3 h5 (26...Nf5 27.Nf5 ef5 28.Qh6=+) 27.g4 (27.Reb1 Qc7=+) 27...Nc4 (27...hg4 28.Qg4 Nc4 29.Nc4 Bc4 30.Nd2=+) 28.gh5=+ Nh5 (28...Nb2 29.hg6 fg6 30.Bg6+-; 28...gh5?! 29.Nc4 Bc4 30.f5 ef5 31.Bf5=) 29.f5 ef5 30.Nf5?? (better 30.Nc4 Bc4 31.Bf5=+) 30...Nb2-+ (30...gf5?? 31.Qf5 Nf6 32.ef6 Re8 33.Qh7 Kf8 34.Qg7) 31.e6 fe6 (31...gf5 32.Bf5 fe6 33.Be6 Kg7 34.Qh5 Rc3 35.Qg4 Kh6 36.Bf7 Rf7 37.Re5+=) 32.Re6 Do you see the mate threat? 32...gf5 (32...Nf4 33.Qg4 Bf6 (33...Ne6?? 34.Qg6 Kh8 35.Qh5 Kg8 36.Nh6 Kg7 37.Qg6 Kh8 38.Qh7; 33...Rf5 34.Rg6 Ng6 35.Qg6 Kf8 36.Qh6 Kf7 37.Bf5 Qg8 38.Kh1+-) 34.Nh6 Kg7 35.Qf4 Bd3-/+) 33.Qh5-/+ Bf6 34.Kh1 (34.Qg6 Bg7 35.Ng5=+) 34...Rc7= (34...Rc3?? 35.Rg1 Bg7 36.Rg7 Kg7 37.Ng5 Rf6 38.Qh7 Kf8 39.Qh8) 35.Rg1 Rg7 36.Rg7 Bg7 37.Ng5 The mate threat is Qh7 37...Rf6 38.Bf5 Bd7 (38...Rf5 Decoy theme: f5 39.Qh7 A double attack) 39.Rd6 Qe8 (39...Rd6 40.Bh7) 40.Qh7 Kf8 41.Rd7 Threatening mate: Qxg7 41...Qe1 42.Kg2 Qd2 43.Kf3 Qg5 44.Rd8 Ke7 45.Rd7 Kf8 46.Rd8 Ke7 47.Rd7 Kf8 ½–½. Stockfish 260318 – Houdini 6.03, TCEC, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.Na3 Ne7 7.Nb5 Nec6 8.c3 (8.d4 Bd7=+) 8...Be7 9.Bd3 Nd7 10.Qe2 0-0 11.h4 (11.Ba3 Ba3 12.Ra3 f6 13.ef6 A) 13...Qf6?! 14.Nc7 Rb8 15.Ne6= (15.Qe6? Qe6 16.Ne6 Re8-+); B) 13...Rf6-/+) 11...f6 12.Bh7? (better 12.ef6 Rf6 13.c4-/+) 12...Kh7-+ 13.Ng5 (13.ef6 Nf6 14.Ra2-+) 13...fg5 14.hg5 Kg8 15.Rh8!! Kh8 (15...Kh8 16.Qh5) 16.Qh5 Kg8 17.g6 (17.g6 Nf6 18.ef6 Rf6 19.Qh7 Kf8 20.Qh8) 1–0. Cirabisi,Federico – Cugini,Werter (2290), Imperia op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.Ba3 Ne7 7.d4 Nbc6 8.Bd3 Bd7 9.0-0 a6 10.c3 h6 11.Nh4 (11.Nbd2 Na7=) 11...g6 (11...Na7 12.Nf3=+) 12.g3 (12.Nd2 Bg7=) 12...Rc8 13.f4 Na7 14.Rf2 (14.Bc5 Ra8=+) 14...Bb5 15.Bc2 Nf5 (15...b6 16.Bd6=+) 16.Ng2 (16.Nf5 gf5 17.Bf8 Rf8=+) 16...Ba3 17.Ra3 h5 18.Ra2 Qc7 19.Rb2 Qe7 20.Qf3 Bc4 (20...b6 21.Ra2-/+) 21.h3 Nb5 22.g4 (better 22.Ba4!?=+) 22...hg4-+ 23.hg4 Nh4 24.Qg3 Ng2 25.Rg2 Qh4 (25...Na3!? 26.Na3 Qa3 27.Qe1-+) 26.Qh4-/+ Rh4 27.Ba4 Bd3 (27...Ke7 28.Rg3-/+) 28.Na3 (better 28.Rg3 Be4 29.Nd2=) 28...Rc3-+ 29.Nb5 Rc1 (29...ab5!? 30.Bb5 Bb5 31.Rb5 Rc4 32.Rb7 Rd4 33.Rb8 Ke7-+) 30.Kf2-/+ Rf1?? (better 30...Bb5 31.Bb5 ab5 32.Rb5 Rc7-/+) 31.Kg3+- Rfh1 32.Nd6 Kf8 33.Rh2 (33.Nb7?? R4h3 34.Kf2 Rf1) 33...R4h2 34.Rh2 Rh2 35.Kh2 b5 36.Bd1 a5 37.Nc8 (better 37.f5!?=) 37...a4=+ 38.Nb6 a3 39.Nd7 Ke7 40.Nc5 Bc4 41.Nb3 Kd7 42.Kg3 Kc6 43.Kf2 (43.Na1 a2=) 43...Kb6 44.Ke3 a2 45.Na1 Ka5 46.Kd2 Kb4 47.Kc2 Ka3 48.Kc3 b4 49.Kc2 Bb5 50.Kc1 Bc4 (50...Be2 51.Bb3 Bg4 52.Kc2-+) 51.Kc2-/+ Bb5 52.Kc1 Bc4 (better 52...Be2! 53.Bb3 Bc4-+ (worse 53...Bg4 54.Kc2-+)) 53.Kc2=+ Bb5 (53...Ba6 54.g5-/+) 54.Kc1= Bc4 ½–½. Dolzhikova,O (2145) – Isgandarova,K (2200), 20th European Teams Women, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.Na3 Ne7 7.d4 Nec6 8.c3 (8.Bd3 Be7=+) 8...Be7 9.Bd3 Nd7 10.h4 (10.Qc2 h6=+) 10...f5 (10...0-0 11.Bh7 Kh8 12.Bc2+-) 11.Ng5 (11.Bg5=) 11...Nde5 (better 11...Nb6-/+) 12.de5+= Ne5 13.Bb5 Nc6 14.Qh5 g6 15.Qe2 Attacks the backward pawn on e6 15...Qd6 16.h5 Bf6 17.Kf1 (17.Nb1 Bd7+=) 17...Bc3 18.Bb2 Bb2 (better 18...Qb4!? 19.Bc3 Qc3=) 19.Qb2+- 0-0? (better 19...Rg8!? 20.Nh7 e5+-) 20.hg6+- e5 (20...Qe5 21.gh7 Kh8 22.Qe5 Ne5 23.Re1+-) 21.gh7 Kh8 22.Re1 (22.Nf3 Rb8 23.Re1 Qf6 24.Bc6 bc6 25.Qe5 Bb7+-) 22...Qf6 23.Bc6 bc6 24.Qe5 Ba6 25.Kg1 Qe5 26.Re5 Rab8 (26...Bd3 27.Rh3 Be4 28.f3+-) 27.Re7 Rb7 (27...Ra8 28.Nf7 Rf7 29.Rf7+-) 28.Nf7 (28.Nf7 Kg7 29.Rb7 Bb7 30.h8Q Rh8 31.Rh8 Kf7 32.Rh7 Ke6 33.Rb7+-) 1–0. Tulupov – Bogatyrev,O, RUS–chT Podolsk, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 a6 7.d4 Bd7 8.Bd3 Bb5 9.Bc2 f6 10.Ba3 Ba3 11.Na3 Bc6 12.h4 (12.0-0 Ne7=) 12...Qe7 13.Qb1 f5 14.g4 (14.c4 b5 15.c5 Nh6=+) 14...Nh6 (14...fg4 15.Ng5 g6 16.Nh7 Rh7 17.Bg6 Rf7 18.Qd1=+) 15.gf5=+ ef5 16.Bd3 (16.Bf5? Qf7 (16...Nf5?! 17.Qf5 Bd7 18.Qh5 g6 19.Qg5=) 17.Bg6 hg6-+) 16...0-0 17.Nc2 g6 (17...b5 18.Ne3=) 18.Ne3 (18.Rg1+=) 18...Rd8 (better 18...Ng4=) 19.h5+- Qg7 (19...Kg7 20.hg6 hg6 21.Bf5+-) 20.Ng5 (20.hg6!? hg6 21.Rg1 Be8+-) 20...Re8 21.hg6 hg6 22.f4 Re7 (better 22...b5+-) 23.Ra2 Nf7 24.Nh7 (24.Nf7 Rf7 25.Rg2 b6+-) 24...Nd7 (24...Qh7 25.Rh7 Kh7 26.Bf5 gf5 27.Rg2+-) 25.Bf5! Nh6?? (25...gf5 26.Nf5 Double attack) 26.Bd7 (worse 26.Bg6 Rf8 27.Nf8 Qf8+-) 26...Qh7 (26...Bd7 27.Nf6 Kf8 28.Ned5+-) 27.Bc6 bc6 28.Rah2 Rb7 29.Qd3 (better 29.Qc2 Kg7 30.f5+-) 29...Rab8 (29...Kg7+-) 30.Rh6 Rb1 31.Nd1 Qc7 32.Rh8 Kf7 33.R1h7 Ke6 34.Qg6 1–0. Lam,P (2110) – Shepherd,Katherine M (1925), 104th ch–GBR, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.c3 a6)

    6.c3 Qb6 7.Na3 Nh6 (7...Ne7 8.d4=) 8.d4 Be7 (8...Nf5 9.Nb5=) 9.Bd3 (9.Bh6 gh6 10.Bd3 Bd7+=) 9...Bd7 (9...Nf5 10.0-0=) 10.0-0 (10.Bh6 gh6 11.Qd2 Rg8+=) 10...Nf5 11.g4 Nh6 12.Ne1 (12.Bh6 gh6 13.c4 Rg8-/+) 12...Nc6=+ 13.Ng2 a6 (13...Ng8 14.Be3-/+) 14.Nf4 0-0-0 (14...Ng8!?=+) 15.Qe2 Kb8 (15...Qc7 16.Nh5=) 16.Be3 (16.Bd2 Qa5 17.Rfb1 Ba3+-) 16...Qb3 17.Nc2 (17.Nb1 Rc8+=) 17...Qc3= 18.Rfb1 Kc7?? (better 18...g5 19.Bd2 Nd4 20.Bc3 Ne2 21.Ne2 Ng4 22.Ba6 Bc8+-) 19.Bd2+- Nd4 20.Nd4 (20.Bc3?! Ne2 21.Be2 Bb5 22.Bb5 ab5+-) 20...Qd4 21.Be3 Qa1 22.Bb5 (better 22.Ra1 Bc6 23.Nh5+-) 22...Kb8 (better 22...Qb1 23.Qf1 Qb5-+) 23.Ra1-/+ Rc8?? (better 23...Bb5 24.Qd1 d4-/+) 24.Ba6! Rc6 (24...ba6 25.Qa6 Combination) 25.Rb1 (better 25.Bb7 Rc4 26.Nd5 ed5 27.Bd5 Rg4 28.Kh1+-) 25...Rhc8 (25...Bc8 26.Qb5 Rc7 27.Qb6+-) 26.Ba7! Ka7 27.Rb7 Ka8 28.Rd7 R8c7 29.Qb5 Rc5 (29...Rc1 30.Kg2 Ka7 31.Bb7 Rd7 32.Qd7+-) 30.Qa4 (30.Bb7 Kb8 31.Qb6 Rc1 32.Kg2 Rg1 33.Kg1 Rd7 34.Bc6 Kc8 35.Qa6 Kd8 36.Qa8 Kc7 37.Qb7 Kd8 38.Qd7) 30...Ka7 (30...Rc1 31.Kg2 g5 32.Bc4 Kb8 33.Rc7 Kc7 34.Qa7 Kc6+-) 31.Nd3 Rc3 32.Re7! Re7 (32...Re7 33.Qb4 Double attack (33.Qb4 Decoy)) 33.Qd4 Ka6 34.Qc3 Ra7 (34...Rb7 35.Nc5 Ka7 36.Qa3 Kb8 37.Nb7 Kb7 38.Qf8+-) 35.Qb4 (35.Qb4 Rc7 36.Qd6 Kb7 37.Nc5 Rc5 38.Qc5+-) 1–0. Dmitriev,Igor (2280) – Khashper, Alekhine op–B, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 Nc6 7.Na3 a6 8.d4 Qc7 9.Nb5 Qb8 10.Na3 b5 11.Nc2 (11.Bd3 Bb7=+) 11...a5 Black prepares the advance b4 (11...Bb7 12.Bd3=+) 12.Bd2 (12.Bd3 Ba6=+) 12...b4 (12...a4 13.Qb1=+) 13.cb4= Bb4 (13...Nb4 14.Nb4 Bb4 15.Bd3=) 14.Nb4 Nb4 15.Be2 Ne7 16.0-0 Nec6 17.Qb1 (17.Bb4 Nb4 18.Qb3 0-0=+) 17...Qb6 (17...Ba6 18.Ba6 Ra6 19.Bb4=+) 18.Rc1 (18.Bb4 Nb4 19.Rc1 0-0=) 18...Ba6 (18...Rb8 19.Bb4 ab4 20.Qd3=+) 19.Ba6 Ra6 20.Rc5 (20.Bb4 ab4 (worse 20...Qb4 21.Qb4 Nb4 22.Rc8 Ke7 23.Rh8+-) 21.Ra6 Qa6=+) 20...h6 (20...0-0!? 21.Bb4 ab4 (worse 21...Qb4 22.Qb4 Nb4 23.Rca5 Ra5 24.Ra5=) 22.Ra6 Qa6-/+) 21.Qf1= Ra8 22.Qc1 (22.Bb4 Nb4 23.Rb5 Qd8=) 22...Kd7 (22...0-0 23.Bb4 ab4 24.Rb1-/+) 23.Qd1 Rhb8 24.Be3 Ne7 (24...Qb7 25.Rac1=+) 25.g4 Exerts pressure on the isolated pawn (25.Ra3 Nbc6=+) 25...Rc8 (25...Nbc6 26.Nd2-/+) 26.Qa4 The pressure on the isolated pawn grows (26.Rc8 Rc8 27.Qa4 Nec6-/+) 26...Nbc6 (26...Nec6 27.Rb5 Qa7 28.Nd2=+) 27.Qd1 (27.Bd2!?=) 27...Rab8 28.Kg2 (28.Nd2 Ke8-/+) 28...Qb3 29.Qf1 Ke8 30.Bd2 Kf8 (30...h5 31.gh5 Nf5 32.h6 gh6 33.Rc3-/+) 31.h4 (31.Ba5!? Qb2 32.Qd1=) 31...Qb2-/+ 32.Qd1 (32.Ra4 Ng6 33.Qa6 Nce7 34.Rc8 Rc8=+) 32...Kg8 (32...Nd4!? 33.Bc3 Rc5 34.Bb2 Nf3 35.Qf3 Rb2-+) 33.h5 Qb3 (33...Ra8 34.Rb1 Qa2 35.Rc2-/+) 34.Qf1 (34.Ba5 Qb7=) 34...Rf8 (34...Rb7 35.Ba5 Na5 36.Rc8 Nc8 37.Ra5=) 35.Rac1 (35.Ba5 Rfc8 36.Bd2=) 35...Qb2 (35...Qb6 36.g5 hg5 37.Bg5=+) 36.Qd1 (36.Rc6 Nc6 37.Rc6 a4=) 36...Rfc8 (36...Qb6 37.Qa4 Rfc8 38.g5 hg5 39.Bg5=+) 37.Ra1 Qb6 (37...Kh8 38.Ba5 Qb7 39.Bd2=) 38.Ba5 Na5 (38...Qb7 39.Bd2=) 39.Raa5 Rc5 (39...Qd8 40.Qd2=) 40.Rc5 Qb1 (40...Ra8 41.Qc1=) 41.Qb1+= Rb1 42.Rc7 (42.Kg3 f5+=) 42...Kf8 43.Ng1 (43.Ra7 Nc6 44.Ra6 Nb8+=) 43...Rd1 44.Ne2 Rd2 45.Kf1 Rb2 (45...Rd1 46.Kg2=) 46.f3+= Ke8 47.f4 g6 48.Ng3 (48.g5!? Nf5 49.hg6 fg6 50.gh6 Nh6 51.Rg7=) 48...Rh2 49.hg6 (49.Rb7 Rh4 50.Kf2 Nc6=+) 49...fg6 50.f5 (50.Ne2 Rh4=+) 50...gf5 51.gf5 Nf5 (51...ef5!? 52.e6 f4-/+) 52.Nf5= ef5 53.Rc5 f4 54.Rd5 f3 (54...Rd2 55.Ke1 Rh2 56.Rd6+=) 55.Rd6 (55.Ra5 Re2=) 55...Ke7 56.Rf6 Rd2 57.Rf3 h5 (better 57...Rd4 58.Rh3 Ke6=) 58.Rf4+- Ke6 59.Ke1 Rg2 (59...Rh2 60.Rf6 Kd5 61.Rd6 Ke4 62.Rd8+-) 60.Rf6 Ke7 (60...Kd5!? 61.Rd6 Ke4+-) 61.d5 White plans e6 61...Rg5 62.d6 Kd7 63.e6?? (63.Rf7 Kd8 64.Re7=) 63...Kd6= 64.Kf2 (64.Kd2 Rg1=) 64...h4 65.e7 (65.Rh6 Rg4=) 65...Kd7 (65...Ke7 66.Rh6=) 66.Rh6 Ke7 ½–½. Houdini 6.03 – Stockfish 260318, TCEC, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 Bd7 7.d4 a6 8.Bd3 Nc6 9.Ng5 (9.0-0 b5=+) 9...g6 (9...Be7 10.Nf7 Kf7 11.Qf3 Nf6 12.ef6 Bf6 13.0-0=+) 10.Qf3 f5 11.g4? (11.0-0 b5=+) 11...Qc7 (11...Qa5!? 12.gf5 Nd4-+) 12.0-0 h6 13.Nh3 0-0-0 (13...Nge7 14.Ba3 Qc8 15.Rc1-/+) 14.Na3 (14.Ba3 Ba3 15.Na3 Rf8=+) 14...Nge7 (14...fg4 15.Qg4 Ne5 16.de5 Qc3 17.Bg5 Qd3 18.Rfc1 Kb8 19.Bd8 Ba3 20.Nf4+-) 15.Qe2 (15.Be3 g5=+) 15...fg4-/+ 16.Qg4? (16.Nf4 h5-/+) 16...g5 (better 16...Ne5 17.de5 Qc3-+) 17.Qe2 Nb8 (17...Be8!?=+) 18.c4= Bc6 19.Nb5 (19.c5 Kd7=) 19...ab5=+ 20.cb5 Nf5 (20...Qb6 21.bc6 Nbc6 22.Be3=) 21.Bb2 Bb4 (21...Kd7 22.Bf5 ef5 23.e6 Ke7 24.b6 Qb6 25.Ba3 Kf6 26.e7 Be7 27.Be7 Kf7 28.Rfe1+-) 22.Ra4+= Ba5 (22...Bf8 23.bc6 Nc6 24.Bf5 ef5 25.Rc1+=) 23.Rc1 (23.Rfa1 Bb6 24.bc6 bc6 25.Bf5 ef5+-) 23...Bb6 (23...Kd7 24.Bf5 ef5 25.bc6 Nc6 26.Rc5+-) 24.Bf5 (24.bc6 bc6 25.Bf5 ef5+-) 24...ef5+= 25.Ba3 Rhe8 26.Qd3 f4 27.Ra8 (27.bc6 bc6 28.Qb3+=) 27...Qd7+= 28.Kh1 Qg4 29.Ng1?? (29.Rg1 Qh5 30.bc6 bc6 31.Rb1+-) 29...f3-/+ 30.Nf3 Qe4 31.Qe4 de4 32.bc6 (32.Ne1 Rd4 33.bc6 bc6-/+ (33...Re5?! 34.Bb2 Kc7 35.Bd4 Bd4 36.cb7 Kb7 37.Ra2+=)) 32...bc6 (better 32...ef3!? 33.Bd6 Bc7 34.cb7 Kb7 35.Bc7 Ka8 36.Bd8 Rd8-+) 33.Nd2=+ Kb7 34.Ra4 Rd4 35.Nc4 Rc4 36.Rcc4 Re5 37.Re4 Nd7 (37...Re4 38.Re4 Bf2 39.Kg2+=) 38.Bd6 (38.Re5 Ne5 39.f4 gf4 40.Rf4 Nd3+-) 38...Re4 39.Re4 c5 (better 39...Bf2!? 40.Re7 Kc8+=) 40.Be7 Nb8 41.Kg2 Nc6 42.Bf8 h5 43.Bh6 Bd8 44.Bf8 Kb6 (44...Bb6 45.f3 Nd4+-) 45.Rc4+= Attacking the isolated pawn on c5 45...Ne7 46.Kf3 Kb5 47.Re4 (47.Rc1 c4+=) 47...Ng6 (47...g4 48.Ke2 Nc6 49.f4=) 48.Bg7 (48.Bd6 g4 49.Ke2 c4+=) 48...Bc7 49.h3 Nf4 (49...Nh4 50.Ke2 Ng6=) 50.h4?? (better 50.Be5 Be5 51.Re5 Nh3 52.Kg3+-) 50...g4=+ 51.Ke3 (51.Kg3!? Nd3 52.Kg2=+) 51...Ng2-/+ 52.Kd3 Nh4 53.Bf6 Ng6 (53...Nf3 54.Ke3-+) 54.Bg7 (54.Re1 Nf4 55.Ke4 Kc6-/+) 54...Nf4-+ 55.Ke3 Nd5 56.Kd3 Bf4 57.Bf6 Bc1 (57...Nf6?! 58.Rf4 Nd7 59.Ke3=+) 58.Be5 Bg5 59.Bb8 Bf6 60.Bd6 (60.Be5 Bd8-/+) 60...Bd4-+ 61.Rd4 cd4 62.Kd4 Kc6 63.Bg3 Ne7 64.Ke5 h4 (64...Kd7!?=+) 65.Bh4= ½–½. Goreskul,A (2320) – Madan,A (2310), 3rd V Nabokov Mem, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 Bd7 7.d4 Qc7 8.Bd3 a6 9.Ba3 Ba3 10.Ra3 Nc6 11.0-0 h6 (11...Nge7 12.Nbd2=) 12.Nbd2 Nge7 13.Re1 0-0 14.h4 (14.Qb1 b5=+) 14...Na7-/+ 15.Bb1 Nb5 16.Qc2 Ng6 17.Rb3 Rfc8 18.h5 Nf8 19.Re3 (19.Rc1 Na7 20.Qb2 Bb5=+) 19...Qd8 (19...a5 20.Qd3 Qc6 21.Rb2-/+) 20.Qd3 Rc6 21.Bc2 Rac8 22.Nb1 Rc4 23.Qd1 Be8 (23...b6 24.Bd3 Ra4 25.Qd2-/+) 24.Bd3 R4c7 (24...Nc3?! 25.Nc3 Rc3 26.Rc3 Rc3 27.Bh7 Nh7 28.Rc3=) 25.Ne1 Kh8 (25...Nc3?! 26.Nc3 Rc3 27.Bh7 Nh7 28.Rec3=) 26.Bc2 a5 27.Qe2 Rc4 28.Rg3 a4 29.Rb5 Bb5 30.Na3 Rc3 (30...Be8!? 31.Qg4 Qg5=+) 31.Nb5 (31.Qb5 Rg3 32.fg3 Qe7 33.Qa4 Qg5=) 31...Rg3=+ 32.fg3 Qb6 33.Bd3 (worse 33.Ba4 Rc4 34.Qd1 Qa5-+) 33...Qa5 (33...Ra8 34.Nc2=+) 34.Nc2= Kg8 35.Kh2 Nh7 (35...Ra8 36.Nca3=) 36.Nd6 Rc7 37.Nb5 Rc6 38.Nd6 Ng5 (38...Qc7 39.Na3=) 39.Na3 (better 39.Nb7!? Qc3 40.Qe3=) 39...Rc1 40.Ndb5 Qb4 41.g4 b6 42.Nc2 (42.Qf2 Ne4 43.Be4 de4-/+) 42...Qb1 43.Kg3 Rh1 44.Qe3 Qb3 (better 44...Ne4 45.Be4 de4-+) 45.Kf4? (better 45.Kf2-/+) 45...Rd1-+ 46.Nc3 Rd3 47.Qd3 Ne4! 48.Na1 (48.Ne4 Qd3 Double attack (48...Qd3 Pinning; 48...Qd3 Deflection; 48...Qd3 Decoy)) 48...Qc3 49.Qc3 Nc3 50.Ke3 Kf8 51.Kd3 Ne4 52.Nc2 Ke7 53.Nb4 (53.Na3 f6-+) 53...Kd7 54.Kc2 Nf2 55.Kc3 Ng4 56.Nc2 f6 57.ef6 Nf6 58.Kb4 Nh5 59.Ka4 Nf4 60.Ne3 Ne2 (60...h5 61.Kb5-+) 61.Nc2 Kc6 62.Kb4 h5 0–1. Kulashko,Aleksei – Kobalija,Mihail (2430), Chigorin mem, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 Ne7 7.d4 Nf5 8.Bd3 Be7 9.Na3 Bd7 10.Nc2 h5 (10...Qc7 11.Qd2=+) 11.Ne3 (11.0-0 h4=) 11...g6 (11...Ne3 12.Be3 Qc7 13.Qb3=+) 12.Nf5 ef5 (12...gf5 13.Qb3=) 13.h4 (13.Qb3 Qc7+=) 13...Be6 14.Bg5 Nd7 15.Bb5 (15.Be7 Ke7 16.0-0 Qc7=) 15...Bg5 16.Ng5 a6 17.Bd7 Qd7 18.0-0 0-0 19.Re1 Rfc8 20.Qd2 Rc4 21.Re3 (21.Reb1 Rac8=+) 21...Rac8 22.Rg3 Qe7 23.Rb1 b5 24.Rb3 Kg7 25.Nh3 (25.Qf4!?=+) 25...Qh4-/+ 26.Nf4 Rh8 (26...Ra4 27.Rb1 Kh7 28.Nh5 gh5 29.Rh3=+) 27.Rg6 (27.Ra3!? Rc6 28.Nd3-/+) 27...fg6-+ 28.Ne6 Kh7 29.Ng5 Kg7 30.Ne6 Kg8 (30...Kf7 31.Nc5 Qg4 32.Qa2-/+) 31.Ra3-/+ Rc6 32.Nc5 Kh7 33.Na6 (33.Qa2!? Rc5 34.dc5=+) 33...Ra8-/+ 34.Qa2 b4 35.Nb4 Rc3 36.Ra7 Ra7 37.Qa7 Kh6 38.Qa1 Qd4 39.Nd5 Rc4 (39...Rc4 40.Qd4 Rd4-+; 39...Qd5?! 40.Qc3 f4 41.Qc7=) 0–1. Dubois,Jean Marie (2285) – Tibensky,Robert (2385), Cappelle op Cappelle la Grande, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 Ne7 7.d4 Ng6 8.h4 Be7 (8...Ne7 9.h5=+) 9.h5= Nf8 10.h6 g6 11.Ba3 Nc6 (11...Nfd7 12.Be7 Qe7 13.Na3=+) 12.Bd3 (12.Be7 Qe7 13.Bb5 Nd7=) 12...a6 (12...Nd7 13.0-0=+) 13.Nbd2 (13.Be7 Qe7 14.0-0 Nd7=) 13...Ba3=+ 14.Ra3 Nd7 15.Qb1 Qe7 16.Ra2 0-0 17.Rh3 Kh8 18.Rg3 Rg8 (18...f6 19.Bg6 fe5 20.Bc2-/+) 19.Nf1 Rb8 (19...f6 20.ef6 Nf6 21.Rg5=+) 20.Ng5 (20.Qc1 b5=+) 20...b5 21.Qc1 Bb7 (21...f6 22.ef6 Nf6 23.f4-/+) 22.Rf3 (22.Qa3!? Qe8 23.Qd6=+) 22...Rgf8-/+ 23.Re2 (23.Qe3 b4 24.cb4 Nb4-/+) 23...Rbe8 (23...b4 24.Rg3-+) 24.Nh2 (24.Qe3 f6 25.ef6 Qa3-/+) 24...Bc8 (24...b4!? 25.Rg3 Rc8-+) 25.Ng4 f6 26.ef6 Nf6 27.Ne5 Ne5 28.Re5 Ng4 29.Rf8 Qf8 (29...Rf8 30.Re2-/+) 30.Re2 Kg8 31.Nh7?? (better 31.Nf3-/+) 31...Kh7-+ 32.Qg5 (32.Qc2 Qh6 33.f3 e5 34.fg4 e4 35.Be4 de4 36.Re4 Qh1 37.Kf2 Bb7 38.Re8 Qg2 39.Ke3 Qc2 40.Re7 Kh6 41.Rb7 Qc3 42.Ke2 Qd4-+) 32…Qh6 (32...Qh6 33.Qh6 Kh6-+) 0–1. Dolgener,T (2235) – Jamrich,G (2270), FSIM June Budapest HUN, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 f6 7.d4 Nc6 8.Bd3 g6 (8...Qc7 9.ef6 Nf6 10.0-0=+) 9.0-0 fe5 10.Ne5 Ne5 11.de5 Bg7 12.Re1 Ne7 13.h4 (better 13.Ba3!? 0-0 14.Nd2=+) 13...Nc6-+ 14.Bg5 Qc7 15.f4 (15.Na3 Be5 16.Nb5 Qg7-/+) 15...0-0 16.h5 h6 17.Bh4 Rf4 18.Bg3 Rf8 19.Kh1 g5 (19...Ne5?! 20.Qe2-/+) 20.Na3 Qe7 (20...Be5!? 21.Nb5 Qb8 22.Be5 Ne5 23.Ra7 Ra7 24.Na7-+) 21.Nb5 Bd7 22.Nd6 (better 22.Qe2-+) 22...Ne5! 23.Re5 (23.Re5 Be5 Double attack (23...Qd6 Remove defender); 23.Be5 Be5 Combination) 23...Qd6 24.Rg5 Qe7 25.Rg6 e5 (better 25...Be8 26.Qg4 Bg6 27.Qg6 Rf7-+) 26.Bc2 Bc6 27.Qg4 Bd7 28.Qd1 Bc6 (28...Kh8 29.Qd5 Bf5 30.Rg7 A) 30...Qg7?? 31.Be5 Bc2 32.Bg7 Kg7 33.Qb7 Kg8 34.Qd5 (worse 34.Ra7 Ra7 35.Qa7 Bf5+-) 34...Kh8 35.Ra6 Rf1 36.Kh2+-; B) 30...Kg7=) 29.Qg4= Bd7 ½–½. Reinderman,Dimitri (2435) – Escobedo Tinajero,Alberto (2265), Wch U20 Buenos Aires, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.c3 Nh6 7.d4 Nf5 8.Bd3 Nc6 9.h4 Qa5 (9...a2 10.Ra2 Be7 11.h5-/+) 10.Ba3+= Nfd4 11.Nd4 Nd4 12.Bf8 Qa1 13.Bg7 Rg8 14.Bf6 Nf5 15.g4 Nh6 (15...Ne7 16.Bh7 Rf8 17.h5+=) 16.f3 Bd7 17.Bh7 Ba4? (better is 17...Rc8!?=) 18.Qd4+/- Rg6?? (better is 18...b6 19.Qb4 Kd7+-) 19.Bg6+- (19.Bg6 Ng8 20.Bd3 Nf6 21.ef6+-) 1–0. Najer,Evgeniy (2495) – Rapoport,Igor (2225), Moscow op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 a2 7.Ra2 Qb6 8.Ba3 Ba3 9.Ra3 Bd7 10.c3 Ne7 11.Bd3 Nbc6 12.0-0 Na5 13.Nbd2 Qc7 (13...Bb5 14.Qe2 Bd3 15.Qd3=+) 14.Ng5 h6 15.Qh5 0-0 16.Ndf3 (16.Ngf3 b6=) 16...f5 (16...Nc4!? 17.Bc4 Qc4-/+) 17.ef6= Rf6 (17...gf6?? 18.Qh6 Qh2 19.Kh2 Rf7 20.Bh7 Rh7 21.Qh7 Kf8 22.Qf7) 18.Ne5?? (better 18.Bh7 Kh8 19.Bd3=) 18...Be8-+ 19.Qh3 (19.Qh4 hg5 20.Qh7 Kf8 21.Qh8 Ng8-+) 19...hg5 20.Qh7 Kf8 21.Qh8 Ng8 22.Bh7 Bf7 23.Ra5? (better 23.Ng4 Nc4 24.Nf6 gf6 25.Bg8 Bg8 26.Qf6 Qf7 27.Qh6 Qg7 28.Qg7 Kg7 29.Ra2-+) 23...Qa5 24.Nd7 (24.Ng4 Rf4 (24...Qc3?! 25.Bg8 Bg8 26.Nf6=) 25.Ne5 Qc3 26.Ng6 Bg6 27.Qg8 Ke7 28.Qa8 Bh7 29.Qb7 Kf6-+) 24...Ke7 25.Qg7 (25.Nf6 gf6 (25...Nf6?! 26.Qa8 Nh7 27.Qb7 Kf6 28.Qc8=; 25...Kf6 26.f4 g4 27.f5 Qc3 28.fe6 Ke6 29.Qg7 Qe3 30.Kh1=) 26.Rb1 b6-+ (26...Qc3?! 27.Qg7 Rc8 28.h3-+)) 25...Kd7 26.Bg8 Ke7 (26...Rg8?! 27.Qf6 Ke8 28.Qe5-+) 27.Bf7 Rf7 28.Qg5 Kd7 0–1. Hjorth,Torben – Stangl,Anita (2100), Politicen Cup, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 a2 7.Ra2 Nc6 8.c3 Bd7 9.Bd3 Rc8 (9...Nge7 10.0-0=) 10.0-0 Nge7 11.Ng5 (11.Ba3 a6=) 11...Nf5=+ 12.f4 (12.Nf3 Be7=+) 12...Be7 13.g4 Nh4 14.Nf3 (14.Nh7 b5=+) 14...Nf3-/+ 15.Qf3 Qb6 16.Be3 White prepares f5 16...Na5 17.Kh1 (17.f5 Nc4-/+) 17...Nc4 18.Bc1 a6 19.f5 h6 (19...Qb3 20.Ra1-/+) 20.Qh3 (20.Nd2 Nd2 21.Bd2 Qb3=+) 20...Bc6 (20...Qb3!? 21.Ra1 Ra8-/+) 21.fe6=+ fe6 22.Raf2 Kd7 (22...Bb5 23.Qh5 Kd8 24.Qg6=) 23.Rf7= Ne5 (better 23...Rhg8=) 24.de5+- d4 25.Kg1 dc3 26.Be3 Qb3 (better 26...Qa5 27.Qh5 Rc7+-) 27.Re7! Kd8 (27...Ke7 28.Qh4 Combination) 28.Qh4 g5 29.Qf2 (29.Bg5!? Qb6 30.Rf2 hg5 31.Qg5 Bd7 32.Re6 Kc7 33.Rb6 Kb6 34.Qe3 Kc7+-) 29...Ke7 30.Bc5 Kd8 31.Bb6 Qb6 32.Qb6 Ke7 (32...Rc7+-) 33.Qc5 (33.Qc5 Ke8 34.Bg6 Kd8 35.Qd6 Bd7 36.Rf7 Rc7 37.Rf8 Rf8 38.Qf8 Be8 39.Qe8) 1–0. Crotti,Lucas – Agnello,Silvana, Summer Open Posadas ARG, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 a6 7.Na3 Nc6 8.c3 Na5 9.Bd3 b5 10.0-0 Bd7 11.Ng5 Be7 12.Nh3 (12.Nf7 Kf7 13.Qf3 Nf6 14.ef6 Bf6=) 12...Nc4 13.Nc2 (13.Qg4 g6=+) 13...a5 (13...Qc7 14.Qg4 g6 15.Nf4=+) 14.Qg4 g6 15.Ne3 Kf8 (15...f6 16.Nf4 Qc8 17.Qh3 Ne3 18.Be3+-) 16.Nf4= Ne3 17.fe3 Nh6 (17...Ke8 18.Qe2=) 18.Qf3 (18.Ne6 Be6 19.Qe6 Kg7+-) 18...Nf5 (18...Kg7 19.e4 de4 20.Be4+=) 19.g4 (19.e4 de4 20.Be4 Kg7+-) 19...Nh6 20.e4 Kg7 21.ed5 ed5 22.Nd5 g5?? (22...Bc6 23.Bh6 Kh6 24.Be4+-) 23.Ne3 (better 23.Nf6 Ng4 24.Nd7+-) 23...f6+- 24.ef6 Bf6 25.Rb1 (25.Nd5 Ng4 26.Nf6 Qf6+-) 25...b4 (25...Rb8 26.Nd5 Ng4 27.Nf6 Qf6 28.Qg3+-) 26.cb4 Bd4 27.Qe4 Bg4 28.ba5 Ra7?? (28...Bh5 29.Rb4 Ba1 30.Rb7 Bf7 31.Rff7 Nf7 32.Nf5 Kf6 33.Qc6 Nd6 34.Nd6 Qc7 35.Ne8 Ke7 36.Qc7 Ke8 37.Qe7) 29.Kg2 (better 29.Bb2 Bb2 30.Rb2+- (30.Ng4?! Re7 31.Qg2 Bd4 32.Kh1 Ng4 33.Qg4 Be3+-)) 29...Be3?? (better 29...Re7 30.Rb7 Rb7 31.Qb7 Qd7 32.Qd7 Bd7+-) 30.Be3 (30.Rb7 Rb7 31.Qb7 Bd7 32.Bb2 Bd4 33.Bd4 Qf6 34.Qd7 Nf7 35.Bf6 Kf8 36.Qe7 Kg8 37.Qe8) 30...Be6 (30...Rd7 31.Qe5 Kg8 32.Bc4 Nf7+-) 31.Bd4 (31.Qd4 Qd4 32.Bd4 Kg8 33.Rb8 Bc8 34.Rc8) 31...Kg8 32.Qe6 (32.Qe6 Nf7 33.Rf7 Rf7 34.Rb7 Qf8 35.Rf7 Qf7 36.Qc8 Qe8 37.Qe8) 1–0. Martincevic,Ninoslav (2245) – Tscharotschkin,Michael, Oberliga Wuert9192, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 b6 7.c3 Qd7 8.Na3 Ba6 9.Ba6 Na6 10.Qe2 Nc7 11.0-0 Ne7 12.Nc2 Nc6 13.h4 (13.Ba3 Ba3 14.Na3 0-0-/+) 13...Be7 14.g3 (14.Bg5 Bg5 15.Ng5 h6-/+) 14...h6 15.h5 0-0 16.g4 Na5 17.Rb1 f5 (17...a6 18.g5 Nb5 19.Rb5 Qb5 20.Qb5 ab5 21.gh6-+) 18.g5 hg5 19.Bg5 Qd8 20.Be7 Qe7 21.Ne3? (21.Kg2 Kf7-/+) 21...Rac8 (better 21...f4!? 22.Nc2 Rf5-+) 22.Kg2 Kf7 23.Rh1 Ke8 24.Nh4 (24.Kf1 f4 25.Nc2 Nc4-/+) 24...Qg5 25.Kf1 f4 26.Qg4 Qg4 27.Ng4 Na6 (27...Nc4!? 28.Ke1 a5-/+) 28.Ng6=+ White intends h6 28...Rf7 29.h6 gh6 (29...Rc3?? 30.h7 Rc8 31.h8Q Kd7 32.Qh7+-) 30.Rh6 Rc3 (better 30...Kd8!? 31.Nf6 f3= (31...Rc3 32.Nf4 Rc6 33.Rh8 Kc7 34.Re8+=)) 31.Nf6+/- Kd8 32.Rh8 Kc7 33.Nf4 Nc4?? (better 33...Rc6 34.Re8 Kb7 35.Ne6 Re6 36.Re6 Nc7+/-) 34.Ne6+- Kc6 35.Rc8 (better 35.Nd8 Kc7 36.Nd5 Kd7 37.e6 Kd6 38.ef7+-) 35...Kb7 36.Rh8 (better 36.Rc4!? Rc4 37.Nd8 Kb8 38.Nf7 Rd4+-) 36...Nd2?? (36...Kc6 37.Nd8 Kc7 38.Nd5 Kd7 39.e6 Kd6 40.ef7 Rf3+-) 37.Ke2+- Nb1 38.Nd8 Kc7 (38...Kb8 39.Nf7 Rc8 40.Rc8 Kc8 41.Nd6 Kc7 42.Nb5 Kc6 43.Na7 Kb7 44.Nd5+-) 39.Nf7 (better 39.Nd5 Kb8 40.Nf7 Rc8 41.Rc8 Kc8 42.e6 Nc3 43.Nc3+-) 39...Rc2 40.Kd1 Rf2 41.Nd5 (better 41.Nd6 b5 42.Rc8 Kb6 43.Nd5 Ka5 44.e6 Rd2 45.Kc1+-) 41...Kd7?? (41...Kc6 42.Nf6 Nb4 43.Rc8 Kb5 44.Nd6 Ka5 45.Nde4+-) 42.Ng5 (better 42.Rd8 Ke6 43.Ng5 Kf5 44.Rf8 Kg5 45.Rf2+-) 42...Kc6 43.Ne3?? (better 43.Ne7 Kd7 44.Rh7+-) 43...Nc3-+ 44.Kc1 Re2?? (better 44...Nb4 45.Rc8 Kd7 46.Rc3 Na2 47.Kb1 Nc3 48.Kc1 Ne2 49.Kc2 Nd4 50.Kc3 Ne2 51.Kc4 Kc6-+) 45.Rc8 Nc7 46.Nc2 Kd7 47.Rh8 N7b5 48.Rh7 Ke8 49.e6 (49.Rh3!?=) 49...Nd5 50.Rh8 Ke7 51.Rh7 Ke8 52.Rh8 Ke7 53.Rh7 Kd6 (better 53...Kf6 54.Nf3 Ke6 55.Rh6 Ke7-/+) 54.Rd7= Kc6 55.Nf7 (55.Rh7 a5 56.Nf7 Rc2 57.Kc2 Nd4 58.Kb2 Ne6 59.Ne5 Kd6-/+) 55...Re6-/+ 56.Rd8 Kc7?? (56...Nbc3-/+) 57.Rf8?? (better 57.Rd5 Nc3 58.Rf5+-) 57...Rc6 (57...Rf6 58.Ng5-+) 58.Kd2 Ne7 (58...Rf6!? 59.Nd8-+) 59.Ne5 Rd6 60.Rf7 Kd8 (60...Nd4 61.Re7 Kd8 62.Ra7 Nc6 63.Kc3 Ne5 64.Nd4-/+) 61.Ke3 (61.Rf8 Kc7 62.Rf7 Nd4 63.Re7 Kd8 64.Ra7 Nc6 65.Ke3 Na7 66.Nf7 Ke7 67.Nd6 Kd6 68.Kd4-/+) 61...Nd5 62.Ke4 Ndc3 (62...a5 63.Rb7 Nb4 64.Nb4-+) 63.Kf5 (63.Kd3 Ke8=+) 63...Nd4 (better 63...Ne2!?-+) 64.Nd4=+ Rd4 65.Nc6 Kc8?? (better 65...Ke8 66.Ra7 Rd1=+) 66.Nd4+- Nd5 67.Ra7 Kb8 (67...Nc7 68.Kf4+-) 68.Rh7 Ne3 (68...Kc8 69.Ke6 Ne3 70.Nb5+-) 69.Ke6 Nc4 70.Kd5 b5 (70...Na5 71.Kd6 Nc4 72.Kc6 Na5 73.Kb6 Nc4 74.Kc5 Na5 75.Nc6 Kc8 76.Na5 Kd8 77.Kd5 Ke8 78.Ke6 Kd8 79.Rd7 Ke8 80.Nc6 Kf8 81.Kf6 Kg8 82.Kg6 Kf8 83.Rd8) 71.Kc5 Ne5 72.Kb5 Kc8 73.Nc6 (73.Ne6 Nc4 74.Rc7 Kb8 75.Kc4 Ka8 76.Kc5 Kb8 77.Kb6 Ka8 78.Rc8) 73...Nd7+- 74.Ne7 (better 74.Rf7 Kc7 75.Ne5 Kd6 76.Nd7 Ke6+-) 74...Kc7 75.Nd5 (75.Nf5 Kd8 76.Kc6 Ne5 77.Kd6 Nc4 78.Ke6 Ne5 79.Ke5 Kc8 80.Kd6 Kb8 81.Kc6 Ka8 82.Kb6 Kb8 83.Rh8) 75...Kd6 76.Nb4 Ne5 77.Rh6 Ke7 (77...Kd7 78.Kc5+-) 78.Kc5 (78.Nc6 Nc6 79.Kc6 Ke8 80.Re6 Kf8 81.Kd6 Kf7 82.Kd7 Kf8 83.Re7 Kg8 84.Ke8 Kh8 85.Kf7 Kh7 86.Re6 Kh8 87.Rh6) 78...Kf7 79.Ra6 Ng4 80.Kd5 Ke7 (80...Nf2 81.Ke5 Kg7 82.Kf5+-) 81.Nc6 Kf6 82.Ne5 Kf5 83.Ng4 Kg4 84.Ke4 Kg5 85.Re6 Kg4 86.Rg6 Kh5 87.Kf5 Kh4 88.Rg5 Kh3 89.Rg4 (89.Kf4 Kh4 90.Re5 Kh3 91.Re2 Kh4 92.Rh2) 89...Kh2 90.Kf4 Kh1 (90...Kh3 91.Kf3 Kh2 92.Rh4 Kg1 93.Rh5 Kf1 94.Rh1) 91.Kf3 (91.Kg3 Kg1 92.Rf4 Kh1 93.Rf1) 91...Kh2 92.Rg3 (92.Rh4 Kg1 93.Rh3 Kf1 94.Rh1) 92...Kh1 93.Kf2 Kh2 94.Re3 Kh1 95.Rh3 1-0. Cayon,Rafael - Ferreyra,Nicolas (1780), XX Rio Grande Domingo Int, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Qc7 7.Na3= Bb4 8.Bd2 Bd2 9.Qd2 Bd7 10.Bd3 f5 (10...Ne7 11.0-0=) 11.Qg5 Bc6 12.g4 g6 13.h4 Ne7 14.h5 h6 (14...Bd7 15.hg6 Qc3 16.Ke2 Ng6 17.gf5 ef5 18.Ra2+=) 15.Qf6+= Rf8 16.Qg7 (16.Qe6 Bd7 17.Nb5 Bb5 (17...Be6?? 18.Nc7 Kd7 19.Na8+-) 18.Bb5 Kd8+-) 16...Qa5= 17.Ke2 fg4 18.Nh4 Rf7 (18...Qc3 19.Ng6 (worse 19.Bg6 Ng6 20.Qg6 Kd8-+) 19...Rf7 20.Qh8 Kd7 21.Nf8 (worse 21.Qh6 Qd4 22.Qe3 Qe3 23.fe3 d4=+) 21...Rf8 22.Qf8 Qd4 23.Qg7=) 19.Qh8 (19.Qh6 Qc3 20.hg6+- (20.Bg6?! Ng6 21.Qg6 Qd4 22.Qe6 Kd8 23.Qf7 Qe4 24.Kd2 Qd4 25.Ke2 Qe4 26.Kd2 Qd4 27.Kc1 Qa1 28.Nb1 Qe5=)) 19...Kd7? (19...Rf8 20.Qh6 gh5 21.Ng6+- (worse 21.Qh5 Kd8+-)) 20.hg6 (better 20.Bg6 Ng6 21.hg6 Bb5 22.Nb5 Qb5 23.Ke3+-) 20...Rf4+- 21.g7 Rf2?? (better 21...Qb4 22.g8Q Ng8+-) 22.Kf2 Qd2 23.Kg3 (23.Kf1 g3 24.Qf8 Qc3+-) 23...Qe3 24.Kg2 Qd2 25.Kf1 g3 (25...Qc3 26.Ke2 Qd4 27.g8Q Ng8 28.Ng6+-) 26.Qf8 Nf5 (26...Qc3 27.Kg2 Qd4+-) 27.Qf7 (27.Qf7 Ne7 28.g8Q Qf2 29.Qf2 gf2 30.Qf7+-) 1–0. Siwiec,A (2120) – Koitka,Ja (1920), IV Sudety Open, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Qc7 7.c3 Bd7 8.Bd3 a6 9.0-0 h5 (9...Be7 10.Ba3 Nc6 11.Nbd2=) 10.Ng5 (10.Qb3 a2 11.Ra2 Nc6=) 10...Be7 (10...Bb5 11.Ba3 Bd3 12.Qd3=+) 11.Nf7 (11.Qf3 Nh6=) 11...Kf7=+ 12.Qf3 Nf6 13.Na3 Nc6 (13...Ke8 14.ef6 gf6 15.Re1=) 14.ef6 gf6 15.Bf4 Qd8 (15...Qc8 16.Qg3 Qg8 17.Qe3=+) 16.Nc2 b5 17.Ra2 Qb6 Black plans b4 18.Rfa1 a5 Black intends b4 (18...Ra7 19.Re1=) 19.Rb1 b4 ½–½. Hawkes,Peter D (2195) – Cooper,David (2055), NZD–ch105 Hamilton, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 f5 7.h4 (7.Ba3 Qa5 8.c3 Ba3 9.Ra3 Qc7=) 7...Bd7 8.Bd3 Nc6 9.c3 a6 10.Ng5 (10.Ba3 Ba3 11.Na3=+) 10...Nh6 (10...Nge7 11.Ba3 h6 12.Nf3=+) 11.Na3 (better 11.Nh7!? Be7 12.Ng5=) 11...Be7 12.Qh5 g6 13.Qh6 Bf8 (better 13...Qa5!? 14.Ne6 Qc3 (14...Be6?! 15.Bb2=) 15.Qd2 Qa1 16.Nc7 Kd8-+) 14.Ne6= Bh6 15.Nd8 Bc1 16.Rc1 Rd8 (16...Kd8 17.Ra1+=) 17.Ra1 b5 (17...Be6 18.Kd2+=) 18.Nc2+- Bc8 19.Kd2 Bb7 20.Rhc1 Rc8 21.Be2 Ke7 22.g3 h6 23.Ne3 Ke6 24.h5 g5 (24...gh5 25.Ng2+-) 25.g4 f4 26.Nf5 Rcd8 27.Bd3 Ne7 28.Rcb1 Rd7 29.Ng7 Kf7 30.e6 Kg7 31.ed7 Rd8 32.Re1 Kf6 (32...Rd7 33.Re6 Rc7 34.Rae1+-) 33.Re5 Rd7 34.Rae1 Ng8 35.Re8 (35.Re6 Kf7+-) 35...Kg7? (better 35...Kf7+-) 36.R1e6 Kf7 37.Bh7 (37.Bg6 Kg7 38.Bf5 Kf7 39.Rg8 Kg8 40.Re8 Kf7 41.Bd7 a5+-) 37...Nf6?? (better 37...Ne7 38.R6e7 Re7 39.Bg6 Ke6 40.Bf5 Kf7+-) 38.Bg6+- Kg7 39.R6e7 (39.R6e7 Re7 40.Re7 Kg8 41.Rb7 Ng4 42.Ke2+-) 1–0. Dovzik,Juri (2365) – Schredder,R, Balatonbereny op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Nh6 7.c3 Nc6 8.Bd3 Bd7 9.h4 f5 10.ef6= Qf6 11.Ng5 (11.Bg5!? Qf7 12.Na3 Ba3 13.Ra3=) 11...g6 (better 11...Nf5 12.Nf3 h6-/+) 12.Rh3? (better 12.Na3 a6 13.Nf3=) 12...e5-+ 13.Rf3 Qg7 (13...Nf5!? 14.Bf5 gf5 15.Ba3-+) 14.de5 Ne5 15.Bf4 (15.Rf4 0-0-0 16.Ba3 Ba3 17.Na3 Rhf8 18.Rf8 Rf8-+) 15...Bd6 (15...0-0-0 16.Na3 Nf3 17.Nf3 Ba3 18.Bh6 Qh6 19.Ra3-+) 16.Re3? (better 16.Be5 Be5 17.Ra3-+) 16...0-0 (better 16...Nhg4 17.Be5 Be5-+ (17...Ne5?! 18.f4-/+)) 17.Bg6 (17.Be5 Be5 18.Ra3-+) 17...Rf4 (17...Qg6 18.Be5 Be5 19.Qd5 Nf7 20.Nf7 Rf7 21.Qe5=+; 17...Ng6?! 18.Qd5 Kh8 19.Bd6-/+) 18.Qd5 (18.g3 Rf6 (worse 18...Qg6 19.gf4 Nef7 20.Qd5-+; worse 18...hg6 19.gf4 Nef7 20.Qd5-+) 19.Bh7 Kh8-+) 18...Kh8 19.Bh5 (19.Qd6 Ng6 (19...hg6?! 20.Qe5 Qe5 21.Re5 Rh4 22.Kd2-+) 20.g3 Nf5-+) 19...Qf6 (better 19...Rh4 20.Na3 Qg5 21.Qd6 Rh5 22.Re5 Qe5 23.Qe5 Re5 24.Kf1-+) 20.Ne4 (20.g3 Bc6 21.Qa2 Rf5 22.Na3 Bc5-+) 20...Qh4 21.Qd6 (21.Be2 Re8 22.Nbd2-+) 21...Qh1 (21...Qh5?! 22.Ng3 Qe8 23.Qe5 Qe5 24.Re5 Rf2 25.Re2 Re2 26.Ne2-+; 21...Re4 22.Re4 Qe4 23.Be2-+) 22.Ke2 Qh5 23.f3 Bb5 (better 23...Nhg4!? 24.Na3 Qh2 25.Rf1-+) 24.Kd2 (24.c4 Rg8 25.Ng3 Bc4 26.Kd2 Rg3 27.Qe5 Qe5 28.Re5 Rg2 29.Ke3-+) 24…Nc4 (24...Nc4 25.Kc1 Nd6-+) 0–1. Glimmerveen,M (2080) – Stone,A ENG (2155), 41st Eastman Open, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Nh6 7.Bd3 Nc6 8.c3 Bd7 (8...Nf5 9.Ba3 Ba3 10.Na3=+) 9.Na3 (9.Bh6 gh6 10.Na3 f6 11.ef6 Qf6=) 9...a6 (9...Nf5 10.0-0=+) 10.h4 (10.Bh6 gh6 11.0-0 b5=) 10...Be7 (10...Nf5 11.g4 Nfe7 12.Ng5=+) 11.Bh6= gh6 12.Qd2 Bf8 13.Nc2 Na5 14.Rb1 Rc8 15.Ng1 Nc4 (15...Ba4 16.Ne3=) 16.Bc4= Rc4 17.Ne3 Rc7 18.Ne2 (18.Ng4 Bb5=) 18...Bb5 19.Ng4 Be7 20.Qh6 Qc8 (20...Rg8 21.Ne3 Bd3 22.Rb3=+) 21.Qg7 (21.Rh3 Be2 22.Ke2 Rc3 23.Rc3 Qc3 24.Rb7 Qd4=) 21...Rf8=+ 22.Rh3 Be2 23.Ke2 b5 (23...Rc3 24.Rc3 Qc3 25.Rb7 Qc2 26.Kf3 Qc3 27.Ne3=) 24.Ra1 (24.Qh7 Rc3 25.Ne3 Ra3=) 24...b4 (24...Rc3 25.Rc3 Qc3 26.Ra6 Qc2 27.Kf3 Bh4 28.Ke3 Qe4 29.Kd2 Qd4 30.Ke2 Qe4 31.Kd2-/+) 25.Qh7= bc3 (25...Rc3 26.Ne3=) 26.Qc2 Rc4 (26...Rg8 27.Ne3=) 27.Rd3 (27.h5 Rh8+= (27...Rd4? 28.Rc3 Re4 29.Kd3+-)) 27...Bb4 (27...Rg8 28.Ne3 Rc6 29.g3=) 28.Nf6 (28.h5 Kd8=) 28...Ke7 (28...Kd8 29.h5=) 29.h5 Rh8 30.g4 a5 31.g5 Qa6 (31...Qc7 32.f4+=) 32.Ke3 (32.g6 fg6 33.hg6 Kf8 34.g7 Kg7 35.Rg3 Kf8+-) 32...Qb5 33.f3 Qb6 34.Rad1 (34.Rb1 Kd8+=) 34...Qb5 (34...Kd8 35.h6=) 35.g6+= fg6 36.hg6 Kf8 37.Qg2 Kg7?? (better 37...Qb7 38.Rg1 Qg7+-) 38.Rh1+- c2 (38...Rcc8 39.Rh7 Rh7 40.gh7 Kf7+-) 39.Rh7 Kf8 (39...Rh7 40.gh7 Kf7 41.Qg8 Ke7 42.Qg7 Kd8 43.h8Q Bf8 44.Qhf8 Qe8 45.Qe8) 40.Rf7 1–0. Meszaros,Tamas (2310) – Balazs,Sebestyen (2285), HUN–ch U20, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Nh6 7.Bd3 Nc6 8.c3 Nf5 9.h4 h5 10.Na3 (10.Ba3 Ba3 11.Na3 f6=+) 10...Bd7 (better 10...Qa5 11.Bd2 Be7=+) 11.g4? (better 11.Bg5 f6 12.ef6 gf6 13.Bf5 ef5 14.Qe2 Qe7 15.Bf6 Qe2 16.Ke2=) 11...hg4-+ 12.Ng5 f6 (12...Nh4?! 13.Qg4 Qa5 14.Bd2-/+; 12...Rh4?! 13.Rh4 Nh4 14.Qg4-+) 13.ef6 (13.Bf5 ef5 14.e6 fg5 15.ed7 Kd7-+ (15...Qd7?! 16.Bg5 Be7 17.Kd2-+)) 13...gf6 14.Qg4 fg5 15.Bg5 (15.Qg5 Kf7 (15...Rh4?? 16.Qg6 Ke7 17.Bg5 Kd6 18.Nb5) 16.Qg4 Rh4 (16...Nh4?? 17.Rh4 Qh4 18.Qg6 Ke7 19.Bg5 Qg5 20.Qg5 Kf7 21.Bg6 Kg8 22.Kd2+-) 17.Rh4 Qh4-+ (worse 17...Nh4 18.Qh5 Kg7 19.Qh7 Kf6 20.Qh4 Kg7 21.Qh7 Kf6 22.Qg6 Ke7 23.Bg5 Kd6 24.Nb5)) 15...Be7 (better 15...Qa5 16.Kd2 Ba3 17.Bf6-+) 16.Bf4 (16.Be7 Nce7 (16...Ke7 17.Bf5 ef5 18.Qg7 Ke6 19.0-0-0 Nd4 20.Rd4+-; 16...Nfe7?! 17.Bg6 Kf8 18.Qf4 Nf5 19.Bf5 ef5 20.Nb5-+) 17.h5 Qa5-+) 16...Kf7 (better 16...Qa5 17.Qg6 Kd8 18.Bd2 Ba3 19.c4-+) 17.Nb5 a6 (better 17...Nh4!? 18.Rh4 Qg8 19.Qf3 Rh4 20.Bg3 Ke8 21.Bh4 Bh4 22.Qh5 Kf8 23.Qh4 Qg1 24.Bf1=) 18.Nc7 Rc8 (18...Nh4 19.Rh4 Bh4 20.Qg6 Kf8 21.Kd2=+) 19.Ne6-/+ Be6 20.Bf5 Bf5 21.Qf5 Bf6 22.Bg5 Qd6 23.Kd2 (23.Kd1 Ne7 24.Qf3 Rcf8-+) 23...Nd4 (better 23...Ne7 24.Qf3 Rcf8-+) 24.cd4=+ Qb4 25.Ke2 Rce8 (25...Qc4!? 26.Kf3 Qd4=) 26.Kf1 Qd4 27.Rc1 Qe5 28.Rc7 Qc7 29.Qf6 Kg8 30.Rg1 (better 30.Qg6 Kf8 31.Qf6 Kg8 32.Qg6 Kf8 33.Qf6 Kg8=) 30...Qc4-+ 31.Kg2 Qc6 32.Qf4? (better 32.Kh3 Qf6 33.Bf6 Kf7 34.Bh8 Rh8 35.Rc1-/+) 32...Re4-+ 33.Qg3 Rh7 34.f3 (34.Bf6 Kf8 35.Kh1 Qf6 36.Qg8 Ke7 37.Qh7 Kd6-+) 34...Rc4 (34...Re8 35.h5 Rg7 36.h6-+) 35.Bf6 (35.Kf2 Rg7 36.Rd1 Rc2 37.Kf1 Qc4 38.Kg1 Kh7-+) 35...Kf7 (better 35...Kf8!? 36.Kh1 Qe6 37.Bg5-+) 36.Kh1 Kf6 (better 36...Qf6!? 37.Qg8 Ke7 38.Qh7 Kd6-+) 37.Qg6-/+ Ke5 38.Qh7 (38.Qg3 Kd4 39.Qf2 Kc3 40.Qe1 Kb3 41.Qb1 Ka3 42.Qd3 Kb4 43.Rb1 Ka5 44.Ra1 Ra4 45.Ra4 Ka4 46.Qh7 b5-+) 38...Qf6-+ 39.Rg5 Kd6 (39...Kd4 40.Kg2 Ke3-/+) 40.Kg2-/+ Qf4 (40...Qb2 41.Kg3 Rc2 42.Qh6 Kc7 43.Rd5 Rg2 44.Kh3 Rh2 45.Kg4 Qb4 46.Kg5 Rh3=) 41.Rg6= Kc5 42.Qe7 Kb5?? (better 42...Kd4 43.Rg4 Rc2 44.Kf1 Rc1 45.Kg2 Rc2 46.Kg1 Rc1 47.Kg2 Rc2=) 43.Qb7 (43.Qb7 Ka5 44.Ra6) 1–0. Kostyra,M (2175) – Issel,O (2125), XXII Tadeusz Gniot Mem, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Nh6 7.h4 Nc6 8.c3 Bd7 (8...Nf5 9.g4 Nfe7 10.Ba3=+) 9.Bd3 (9.Bh6 gh6 10.Na3 Rg8=) 9...Rc8 (9...Nf5 10.Ba3 Ba3 11.Na3=+) 10.Ng5 (better 10.Bh6!? gh6 11.Na3=) 10...Qa5-/+ 11.Ba3 Ne5?? (better 11...Nd4 12.Ra2 Ndf5-+) 12.de5+- Rc3 13.0-0 (better 13.Bf8!? Qa1 14.Bg7+-) 13...Ba3+= 14.Qd2 (14.Qd2 Rc5 15.Ra3 Qd2 16.Nd2+=) 1–0. Kabanov,N (2520) – Kaganov,D (2160), Botvinnik, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 Nh6 7.Bh6 gh6 8.Qd3 Nc6=.

    6.Ba3 Ba3

    7.Ra3 Nh6 8.d4 0-0 9.h4 (9.Bd3 Nf5=+) 9...Nc6-/+ 10.Bd3 f6 11.Nbd2 Qe7 12.Rb3 a5 13.0-0 (13.Qa1 Ng4 14.0-0 fe5 15.de5 a4-/+) 13...a4 14.Rb1 (14.Qa1 fe5 15.de5 Ng4-/+) 14...a3 15.c3 (15.Ra1 fe5 16.de5 Nf5-+) 15...fe5 16.de5 g6 (16...Nf5 17.h5-+) 17.h5 (17.c4 Ng4 18.Qe2 Qc7-/+) 17...g5-+ 18.Qe2 Qg7 19.Rfe1 g4 (19...Nf7 20.Bb5-+) 20.Nd4 Nd4 21.cd4 Qg5 22.Rec1 (22.Rb3 g3 (worse 22...Qh5 23.Ra1=+) 23.fg3 a2=) 22...Qh5-+ 23.Nf1 Qg5 24.Rc7 Rf7 (24...Nf5 25.Bf5 Qf5 26.Ra1-/+) 25.Qc2 Rc7 26.Qc7 Qg7 (26...Nf5 27.Bf5 Qf5 28.Qd8 Qf8 29.Qg5 Kh8 30.Qg4-/+) 27.Qd8=+ Qf8 28.Qg5 (28.Bh7 Kg7 29.Qc7 Qf7 30.Qc2=+) 28...Qg7 (better 28...Kh8!?-/+) 29.Qd8= Qf8 30.Bh7 (30.Qg5 Kh8 31.Rc1-/+) 30...Kg7-/+ 31.Qc7 Qf7 32.Qc2 Nf5 33.Bf5 Qf5 34.Qc1 a2 35.Ra1 Qd3 (35...Kf7 36.Qd1=+) 36.Qb2 (36.Qc7 Kg6 37.Qe7 Qf5=) 36...Ra4 (36...b6 37.Ra2 Ra2 38.Qa2 Qd4 39.Qa7 Kf8 40.Qc7=+) 37.Qc1= ½–½. Barua,Dibyendu (2490) – Mack,Andrew (2270), Lloyds Bank op, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Na3 a6 8.Nb5 Nc6 9.Nd6 Kf8 10.d4 f6 11.Qe2 Qc7 (better 11...Nge7=) 12.g3?? (better 12.c4+=) 12...Nd4!-+ 13.Nd4 Qc3 14.Qd2 Qa1 15.Ke2 Bd7 (better 15...Qb2-+) 16.Nb7? (16.Qb4 a5 17.Qb7 Qd4 18.Qa8 Ke7 19.ef6 gf6 (19...Kd6?! 20.Qf8 Ne7 21.Qe7 Kc7 22.fg7=) 20.Qa5 Kd6-+) 16...Qb2 (better 16...fe5 17.Nb3 Bb5 18.Kf3 e4 19.Kg2 Qf6 20.Bb5 ab5-+) 17.Nc5 Ke7 (17...Ke8 18.c4 Qd2 19.Kd2 dc4 20.Bc4 fe5 21.Nde6 Be6 22.Ne6-+) 18.Nd7 (18.Qe3 f5-+) 18...Kd7 19.Bh3 Re8 (19...f5 20.g4 g6 21.Rd1-+) 20.Nf3 (20.Re1 f5-+ (20...fe5?! 21.Ne6 Kc6 22.Ng7-/+)) 20...Qb5 21.Ke3 Qc5 22.Ke2 Qc4 23.Kd1 (23.Qd3 Qd3 24.Kd3 Ne7-+) 23...Ne7 (better 23...Rb8!? 24.Qc1 Qc3 25.Nd2 fe5 26.Re1-+) 24.Nd4 (24.ef6 gf6 25.Re1 Nc6-+) 24...Nc6 (worse 24...fe5 25.Ne6 Rb8 26.Ng7 Kc6 27.Qh6 Ng6 28.Qc1-+) 25.Nc6 Qc6 26.Qd4 (26.ef6 gf6 27.Re1 Re7-+) 26...Rc8 (26...Rb8 27.Kd2 Rhc8 28.Rc1-+) 27.Qd3 (27.c3 Qc4 28.ef6 gf6-+) 27...Qc4 28.Re1 Qd3 29.cd3 Rc6 30.ef6 gf6 31.f4 (31.Ke2 Rb8-+) 31...Rhc8 (31...Rb8 32.Bg4-+) 32.f5 (32.Ke2 Rb8-+) 32...Rc1 33.Ke2 R8c2 34.Kf1 Re1 35.Ke1 e5 36.Bf1 Rh2 37.d4 Rh1 38.Kf2 Rf1! 39.Kf1 ed4 40.Ke2 Kc6 41.Kd3 Kc5 42.g4 h6 43.Kc2 Kc4 44.Kd2 d3 45.Kd1 Kc3 46.Kc1 d2 47.Kd1 d4 48.Ke2 Kc2 49.Kf3 d1Q 50.Kg3 Qe2 51.Kh3 (51.g5 hg5 52.Kh3 d3 53.Kg3 d2 54.Kh3 d1Q 55.Kg3 Qdd3) 51...Qf3 (51...d3 52.Kg3 d2 53.Kh3 Qe3 54.Kh2 d1Q 55.g5 Qdg1) 52.Kh4 d3 (52...Qh1 53.Kg3 d3 54.g5 d2 55.gf6 d1Q 56.Kf4 Qhf3 57.Ke5 Qe3) 53.Kh5 d2 54.Kg6 d1Q 55.Kf6 (55.Kg7 Qd7 56.Kf6 Qfc6 57.Ke5 Qdd6) 55...Qd6 56.Kf7 Qb7 57.Kg8 (57.Ke8 Qbd7) 57…Qd8 0–1. Quirhuayo,Gonzalo – Betsakos,Konstantinos, WY Boys–U8 Porto Carras GRE, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    7.Na3 a6 8.Nb5 Ne7? 9.Nd6+- Kf8 10.Ng5 (10.Ng5 Qc7 11.Ngf7+-) 1-0. Shtyka,S (2175) - Ryzhkov,Vj (2135), Euro Online U2300 Day, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3 7.Na3)

    7.Na3 Nc6 8.Nb5 Nge7 9.Nd6 Kf8 10.d4 Nf5 11.Nf5 ef5 12.c3 Qe7 13.Be2 (13.Bb5 Kg8=) 13...Bd7 (13...f6 14.ef6 Qf6 15.0-0=) 14.Qb3 Be6 15.0-0 b6 16.Nd2 Na5 17.Qa4 h6 18.c4 dc4 19.Nc4 Nc4 20.Bc4 Bc4 21.Qc4 Qe6 22.Qc7 Kg8 23.Qb7 (23.Ra7 Ra7 24.Qa7 Kh7+=) 23...Kh7 24.Ra7 Ra7 25.Qa7 Rd8 26.Qa4 Qd5 27.Rd1 Rc8 (27...Qe4 28.Qb4=) 28.Qa1 (28.Qa6 Qb3 29.Qe2 Rc2+=) 28...b5 (28...Rc4 29.h3=) 29.Qb1+= g6 30.h3 Rc4 ½–½. Rokitta,Norbert – Kipper,Jens, RL–op Trier, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    7.Na3 Nc6 8.Nb5 Nge7 9.Nd6 Kf8 10.d4 Nf5 11.Nf5 ef5 12.Qd2 f6 (12...h5 13.Be2=) 13.Bd3 (13.Bb5 Kf7+=) 13...Kf7= 14.0-0 Be6 (14...Re8 15.Rfe1=) 15.Rfe1 (better 15.Rfb1 Qd7 16.ef6 gf6 17.Qh6+-) 15...a6? (better 15...Re8!?+=) 16.ef6+- gf6 17.Qh6 Qd7 (17...Bd7 18.Nh4 Nd4 19.c3+-) 18.c3 (18.Re3 Nb4 19.Be2 Rag8+-) 18...Rac8 (18...Rag8 19.Qh5 Kf8 20.Rab1+-) 19.Re6 (better 19.Re3+-) 19...Qe6+- (19...Ke6 20.Bf5 Kd6 21.Qf6 Kc7 22.Bd7 Kd7 23.Qg7 Ke6 24.Re1 Kd6 25.Ne5 Ne7 26.Nc4 Kc6 27.Qe7 Rce8 28.Re6 Kb5 29.Qb4) 20.Qh5 The isolani on f5 becomes a target (20.Re1 Qd7 21.Qh5 Kf8 22.Bf5 Qf7+-) 20...Kf8+= 21.Qh6 Kg8 (better 21...Kf7=) 22.Re1+- Qd7 23.Qf6 Rf8 24.Qh6 Qg7 (24...a5 25.Ne5 Qe7 26.Qh5 Ne5 27.Re5+- (27.de5?! Qf7 28.Qg5 Qg6+-)) 25.Qd6 (25.Qe6 Qf7 26.Qd6 Rd8+-) 25...Rd8 26.Qf4 Qg4 27.Qe3 (27.Qc1 Kg7 28.Qb1 Rb8+-) 27...Kg7+= 28.h3 (28.Rb1 f4 29.Rb7 Kf6+-) 28...Qh5 (28...Qg6 29.Qf4 Rhe8 30.Rb1+=) 29.Ng5 (29.Rb1!? Rd7 30.Ne5+=) 29...Rhe8= 30.Ne6 Kf6?? (better 30...Kh8=) 31.g4+- Qh4 (31...Qg6 32.Bf5 Qg7+-) 32.Qf4 (32.g5 Kf7 33.Nd8 Kg7 34.Qe8 Qg5 35.Kh1 Qd8 36.Rg1 Kf6 37.Qh5 Ne7 38.Qh6 Ng6 39.Qg5 Kf7 40.Qd8 b6 41.Qd7 Kf8 42.Bf5 Ne5 43.Qd6 Kf7 44.Qe6 Kf8 45.Rg8) 32...Re6 33.Qf5 (better 33.Re6 Kg7 34.Qc7 Kg8 35.Qb7 fg4 36.Qc6 (36.Rc6?! Rf8 37.Qh7 Qh7 38.Bh7 Kh7+-) 36...gh3 37.Re3+-) 33...Kg7 34.Qe6 (34.Re6?! Rf8 35.Qd5 Qf2 36.Kh1 Rf3 37.Qd7 Rf7=) 34...Rf8 (34...Qh3 35.Rb1 b5 36.Qc6 Qg4 37.Kf1+-) 35.Qe3 (35.Bf5 Qd8+-) 35...h5 (35...Rf7!? 36.Rb1+-) 36.gh5 Qh5? (36...Rf7 37.Kf1+-) 37.Qg3 Kh8 38.Bg6 (38.Re6 Rg8 39.Bg6+-) 38...Qf3?? (better 38...Qh6+-) 39.Qh4 Kg7 40.Qh7 Kf6 41.Re3 (41.Be8 Qe4 42.Re4 de4+-) 41...Qf4 42.Bh5 (42.Bh5 Qe3 43.fe3+-) 1–0. Chernov,Igor (2300) – Ershov,Mikhail, RUS–ch Clubs Silent, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    7.Na3 Nc6 8.Nb5 Nh6 9.Nd6 Kf8 10.d4 Nf5 11.Nf5 ef5 12.Bd3 Be6 13.Qd2 g6 14.Qh6 Kg8 15.h4 (15.0-0 Qf8 16.Qg5 Qd8=) 15...Qf8 16.Qd2 Rc8 (16...Kg7 17.h5=) 17.h5+= a5 18.h6 (18.Be2+=) 18...Nb4 (better 18...f6!?=) 19.Ra5+/- Nd3 20.cd3 (20.Qd3?! Qb4 21.Qd2 Qb1 22.Qd1 Qb4 (worse 22...Qc2 23.Qc2 Rc2 24.0-0+/-) 23.Qd2 Qb1 24.Qd1 Qb4 (worse 24...Qc2 25.Qc2 Rc2 26.0-0+/-) 25.Qd2=) 20...Qd8 21.0-0 f6 22.ef6 Qf6 23.Re1 Kf7?? (better 23...Bf7+-) 24.Ne5 (24.Ne5 Kg8 25.Rc1+-) 1-0. Hernandez Gonzalez,W (2480) - Chumpitaz,A (2240), Titled Tuesday 9th Feb, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3 7.Na3)

    7.Na3 Nc6 8.c3 Bd7 9.Nb5= Nh6 10.Nd6 Ke7 11.Qc1 (better 11.d4!?+=) 11...Ne5=+ 12.Qa3 (12.Ne5!? Kd6 13.d4-/+) 12...Nf3-/+ 13.gf3 Kf6 14.Qb4 e5 (14...g6!?-/+) 15.Nb7=+ Qf8 16.Ra6 Be6 (16...Kg5 17.f4 ef4 18.h4 Kh5 19.Be2 Ng4 20.Qf4+-) 17.Qh4 (17.Nc5 Rd8 18.Bh3+-) 17...g5=+ 18.Qh5 Rb8 (18...Nf5 19.f4 A) worse 19...gf4 20.Bh3 Qh6 21.Qf5 Ke7 22.Qe5 Qh3 23.Qd6 (worse 23.Qf4 Qg2 24.Qb4 Kf6=) 23...Kf6 24.Qd5+-; B) 19...ef4-/+) 19.h4+= Qg7 (19...Rg8 20.Ra7 Nf5 21.hg5 Rg5 22.Qh7+=) 20.Nc5 (20.hg5!? Qg5 21.Qh6 Qh6 22.Rh6 Kg5 23.Rhe6 fe6 24.Nc5+-) 20...Rb1= 21.Ke2 Nf5?? (better 21...g4 22.d4 gf3 23.Qf3 Nf5 24.de5 Ke5+-) 22.hg5+- Ke7 23.Ne6 Qg8 (23...Qg6 24.Nc7 Qh5 25.Nd5 Kf8 26.Rh5+-) 24.Nc7 (better 24.Ra7 Ke6 25.Qg4 Qg6+-) 24...d4 (24...Qb8 25.Rf6 Rf8 26.Rf5 Qc7 27.Qf7 Rf7 28.Rf7 Kf7 29.Rh7 Kg6 30.Rc7 d4 31.cd4 ed4+-) 25.Nd5 Kd7 (25...Kd8 26.Ra7 Rb8 27.Qf7 Qf7 28.Rf7 dc3 29.dc3 Rb2 30.Kd3 Nd6+-) 26.Nf6 (26.Nf6 Kc8 27.Ng8 d3 28.Kd3+-) 1–0. Obels,P – Gogolev,Artem, 3rd Arctic Cup, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    7.Na3 Bd7

    8.Rb1 Qc7=.

    8.Bb5 a6 9.Bd7 (9.Bd3 Nc6=+) 9...Nd7-/+ (9...Kd7?! 10.Nb5=) 10.0-0 Ne7 11.d4 (11.Qe2 b5-/+) 11...b5 12.c3 0-0 13.Qd3 Ng6 14.g3 (14.Nc2 Qc7-/+) 14...Qe7 (14...f6 15.ef6 Qf6 16.Kg2-+) 15.h4 Rfc8 (15...f6 16.ef6 Qf6 17.Kg2-+) 16.Rfc1 (16.h5 Ngf8-/+) 16...Nb6 (16...f6 17.h5 Ngf8 18.ef6 gf6 19.Re1-/+) 17.Rc2 (17.h5 Nf8-/+) 17...Nc4 (17...Nf8 18.h5-+) 18.Rca2-/+ Qb7 19.h5 Nf8 20.Kg2 a5 (20...Na3 21.Ra3 f6 22.Qe3-/+) 21.Nc2 (21.Nc4 bc4 22.Qe3 Qb5=+) 21...h6 22.g4 (22.Na3 Na3 23.Ra3 a4-/+) 22...Qe7 23.Kg3 (23.Na3 Rcb8-/+) 23...Nh7 (23...a4 24.Na3-+) 24.Ne3 Ne3 (24...a4!?-+) 25.fe3-/+ Qc7 26.Ra3 (26.Qb5 Qc3 27.Ra3 Qc2=+) 26...Rab8 (26...Nf6 27.Nd2 Rcb8 28.Kh3-+) 27.e4 (27.Ra5!? Qc3 28.Qc3 Rc3 29.Ra8-/+) 27...b4-+ 28.cb4 ab4 29.Rb3 Qc4 30.ed5 Qd3 (30...Qd5 31.Kf2-+) 31.Rd3 ed5 32.Rb1 Kf8 (32...Nf8 33.Nh4 Ne6 34.Nf5-/+) 33.Kf4=+ Ke7 (33...Rc4 34.Rb2=+) 34.Nh4 (34.Rdb3 Ng5 35.Rb4 Rb4 36.Rb4 Ne6 37.Kg3 Rc4 38.Rc4 dc4=) 34...Rc2 (better 34...Ng5!? 35.Nf5 Kf8=) 35.Nf5+= Kf8 36.Ne3 Ra2 (better 36...Rf2!? 37.Kg3 Ra2 38.Nd5 Ra4+=) 37.Nd5+- Ng5 38.Rb4 Rba8 (38...Rf2!? 39.Ke3 Rf3 40.Ke2 Rb4 41.Nb4 Rf4+-) 39.Rdb3 Rf2 40.Ke3 Rf3 41.Ke2 Rb3 42.Rb3 Rd8 43.Ne3 (better 43.Rb5+-) 43...Ne6+= (43...Rd4?? 44.Rb8 Ke7 45.Nf5 Ke6 46.Nd4 Ke5 47.Nf5+-) 44.Kf2 Nd4 45.Rb7 Nc6 46.Rb5 Rd2 47.Kg3 Rd3 48.Kf2 Rd2 ½–½. Wyss,Walter (2215) – Rossetti,M, Italy op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.Nb5 Bb5 9.Bb5 Nc6 10.0-0 Nge7 11.d4 Ng6 (11...a6 12.Bd3=+) 12.c3 0-0 13.Qd2 a6 14.Bd3 b5 (14...Nh4 15.Ng5 h6 16.Nh3=+) 15.Ng5 (15.Ra3 Qb6=+) 15...Nce7 16.f4 h6 17.Nf3 Qd7 18.h4 Rfc8 19.h5 Nf8 20.Nh4 Rc6?? (better 20...Qc6-/+) 21.Bb5!+- ab5 22.Ra8 Rc8 (22...Nc8 23.Qd3+-) 23.Rfa1 Qc6 24.Rc8 Qc8 25.Ra5 (25.Rb1 Qc6+-) 25...Qc4 26.Ra8 Nc6? Black plans b4 (26...Qc6 27.Rb8+-) 27.Rc8 (better 27.f5 Ne5 28.fe6+- (28.de5?! Qh4 29.fe6 fe6+-)) 27...b4 28.cb4 Qb4?? (better 28...Qa6 29.Re8 Qc4+-) 29.Qb4 Nb4 30.f5 ef5 31.Nf5 g6 32.hg6 fg6 33.e6 (33.e6 Nc6 34.Nh6 Kg7 35.Rc6 Ne6 36.Re6 Kh6 37.Kf2+-) 1–0. Pallesen,Ja (2055) – Ufnarovski,Victor (1850), Xtracon Chess Open, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3 7.Na3 Bd7)

    8.c3 a6 9.d4 Nc6 10.Bd3 Rc8 11.h4 (11.0-0 Na5=) 11...h6 12.Rh3 Nge7 13.h5 (13.Rg3 Nf5 14.Bf5 ef5=+) 13...Na7 14.c4 dc4 15.Nc4 Nb5 16.Nfd2 (16.Rg3 Nf5 17.Rg4 0-0-/+) 16...Nf5 (16...0-0 17.Rg3 Nf5 18.Bf5 ef5 19.d5-/+) 17.g4 (17.Bf5 ef5 18.d5 0-0-/+) 17...Nfd4-/+ 18.Ne4 Rc4 (better 18...0-0!? 19.g5 hg5-/+) 19.Bc4= Qc7 20.Bb5 Nb5 21.Nd6 Nd6 22.ed6 (22.Qd6 Qd6 23.ed6 Bc6=+) 22...Qc4=+ 23.Rc1 Qe4 24.Kf1 (24.Re3!? Qh1 25.Ke2=+) 24...Bb5-/+ 25.Kg1 Bc6 26.f3 Qe3 27.Kg2 0-0 28.Rc4 Rd8 29.Rh1? (better 29.Rg3-+) 29…Rd6 (29...Rd6 30.Qf1 Rd2 31.Kg3 Rd3 32.Rc6 bc6-+) 0–1. Moeldner,J (2285) – Hammes,M (2365), 16th OIBM, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.c4 Ne7= 9.Rb1 (9.Qb1 Nbc6+=) 9...0-0 10.Rb7 Bc6 11.Rb2 Nd7 12.cd5 (12.Qc2 Qa5 13.Ra2 Qc7+=) 12...Bd5-/+ 13.Be2 (13.Bc4 Bf3 14.Qf3 Ne5-/+) 13...Ng6 (13...Rb8 14.Rb8 Qb8 15.0-0 Ne5 16.Ne5 Qe5 17.Nc4 Bc4 18.Bc4-/+) 14.0-0 Nde5 15.Ne5 Ne5 16.f4 (16.d4 Nc6-/+) 16...Ng6 17.Qa4 Rb8 18.Rb8 Qb8 19.f5 (19.Qd4 Rd8 20.Qe3 a5-/+) 19...ef5 20.Rf5 Qb6 21.Kh1 Rd8 22.Bc4?? (better is 22.Rf1-+) 22...Bg2! 23.Kg2 Nh4 24.Kf1 Nf5 25.Bd3 (25.Be2 Qf6 26.Qf4 g5-+) 25...Nd4 26.Be4 (26.Qa6 Qc7 27.Kg2-+) 26...Qf6 27.Kg1 Nf3 28.Bf3 Qf3 29.Qa7 Qg4 30.Kf1 Qd1 31.Kg2 Rd2 32.Kg3 Rd3 33.Kh4 Qe1 34.Kg4 (34.Kh5 Qe5 35.Kh4 Qf4 36.Kh5 Rd5) 0–1. Tavares,Tayra Maria (1655) – Chang,Suzana (2030), Blumenau BRA, Women Ch, 2014. (=1.Nf3 e6 2.e4+= c5 3.b4 cb4+= 4.a3 d5 5.e5 ba3 6.Ba3 Ba3 7.Na3 Bd7)

    8.Bd3 h6 (8...Ne7 9.0-0=) 9.0-0 Ne7 10.Re1 a6 11.Qb1 Bc6 12.Qb4 Nd7 13.c3 (13.Nd4 0-0=) 13...Qc7 (13...a5 14.Qb1=+) 14.Nc2 Qb6 15.Qg4 Nc5 (15...0-0!? 16.Rab1 Qd8=) 16.Qg7+- Rg8 17.Qh7 0-0-0 18.Bf1 (18.Nfd4!?+-) 18...Nf5+= 19.Qf7 Rdf8 20.Qh5 Ne4 21.Ncd4 (21.Ne3 Ne3 22.fe3 Qc7+=) 21...Be8 22.Qh3 Nf2 23.Kf2 Nd4 24.cd4 Qd4 25.Re3 Qa1 26.Qe6 Bd7 27.Qd5 Bc6 28.Qe6 Kb8 29.Qd6 Ka8 (29...Ka7 30.Qc5 Ka8 31.Ra3=) 30.Ra3 (30.Bc4 Rd8 31.Ra3= (31.Qh6 Rd2 32.Re2 Re2 33.Be2 Qb2-+; 31.Bg8? Rd6 32.ed6 Bf3 33.Kf3 Qf1 34.Kg3 Qf8-+)) 30...Qb2 31.Re3?? (better 31.Ra6 ba6 32.Qc6 Qb7 33.Qh6 Qa7 34.Ke1=) 31...Bf3-+ 32.gf3 (32.Rf3 Rd8 33.Qc5 Rd2 34.Ke3 Rgd8-+) 32...Rd8 33.Qh6 (33.Qc5 Qd2 34.Be2-+) 33...Qd2 34.Be2 Qc1 (34...Qc1 35.Bf1 Rd2 36.Re2 Re2 37.Ke2 Qh6 38.Kd3 Qf4 39.h3 Rd8 40.Kc2 Qe3 41.Bd3 Rd3 42.f4 Rd2 43.Kb1 Qg1) 0–1. Rossi,Carlo (2315) – Naumkin,Igor (2430), 14th Padova Open, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.d4 Qa5 9.Qd2!? Nc6 10.c3=.

    8.d4 Qa5 9.Qd2 Qd2 10.Kd2 Ne7 (10...Ke7 11.Bd3=) 11.Bd3 0-0 12.Rhb1 b6 13.Nb5 Bb5 14.Bb5 Nbc6 15.Ba6 Rad8 16.c3 Rd7 17.Re1 Na5 18.Kd3 Nec6 19.Nd2 Nb8 20.Bb5 Rc7 21.Reb1 Rfc8 22.Ra3 a6 23.Ba6 Na6 24.Rb6 Nc4 25.Rba6 Na3 26.Ra3 g5 27.g3 Kg7 28.f4 (28.h4!?=+) 28...gf4-/+ 29.gf4 Kg6 30.Nf1 Kf5 31.Ng3 Kf4 32.Ne2 (32.Nh5 Kg4 33.Nf6 Kh4 34.Nh7 f5-+) 32...Kf3 33.Ra1 Kg2 34.Rg1 Kh2 35.Rg5 Kh3 (better 35...Ra8-/+) 36.Ke3?? (better 36.Ng1!? Kh4 37.Nf3 Kh3 38.Ng1 Kh2 39.Nf3 Kh3 40.Ng1=) 36...Rc3 (better 36...Kh4 37.Kf4 Rh8-+) 37.Nc3-/+ Rc3 38.Kd2 Rc4 39.Kd3 Kh4 40.Rg7 h5 41.Rf7 Ra4 42.Rf6 Ra6 43.Rg6 Kh3 44.Ke3 h4 45.Kf2 Rb6 46.Kf1 Rb4 47.Re6 Rd4 48.Rd6? (48.Re8 Kg4-+) 48...Rf4 (better 48...Kg3!? 49.Rf6-+) 49.Kg1 d4 50.e6 Kg3 51.e7 Re4 52.Kf1 (52.Rg6 Kh3 53.Rd6 Re1 54.Kf2 Re7 55.Rd4 Rg7-+) 52...h3 53.Rd4 Re7 54.Rd3 Kh2 55.Rf3 Rg7 56.Kf2 Rg2 57.Kf1 Rg1 58.Kf2 Ra1 59.Rf8 Ra2 60.Kf1 Kg3 (better 60...Kh1-+) 61.Rg8 Kf3 62.Rf8 Kg4 63.Rg8 Kf5 64.Rf8 Kg6 65.Kg1 ½–½. Smolka,M (2130) – Nowak,L2 (2305), 1st Irena Warakomska Mem, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.d4 Qa5 9.Nd2 Qc3-/+ 10.Nb5 Bb5 11.Bb5 Nc6 12.Ra4 Nge7 13.0-0 0-0 14.Nf3 a6 15.Bd3 (15.Qd3 Qd3 16.Bd3 b5-/+) 15...h6 (15...b5 16.Qa1 Qa1 17.Raa1-+) 16.Qa1 Qa1 17.Rfa1 Rac8 (17...f6 18.h4-/+) 18.Kf1 Rc7 19.Ke2 Ng6 (19...f6 20.ef6 gf6 21.Kd2-/+) 20.Ke3 Rfc8 21.Nd2 (21.Bg6 fg6 22.Rb1 Ne7=+) 21...Nf8 (21...Nh4 22.g3 Nf5 23.Bf5 ef5 24.Rb1-/+) 22.f4=+ Nd7 23.f5 ef5 24.Bf5 Nd8 (24...Re8!? 25.Bd7 Rd7-/+) 25.Ra5 g6 26.Bd3 Nb6 27.Rb1 Nc6 (27...Rc6 28.h3=) 28.Ra2 (28.Ra3 Nd7 29.c4 Ne7=) 28...Nd7=+ 29.c4 dc4 (29...Nce5!? 30.de5 Ne5 31.cd5 Rc3-/+) 30.Nc4+= Ne7 31.Nd6 Exerts pressure on b7 31...Nd5 32.Kd2 (32.Kf3 Rb8+=) 32...Nc3= 33.Nc8 Nb1 (33...Na2? 34.Ne7 Kg7 35.Nd5+-) 34.Bb1 Rc8 35.Be4 Rc7 36.Kd3 (36.Rc2 Rc2 37.Kc2 b5=) 36...Kf8=+ 37.Rf2 Ke8 (37...Ke7 38.g3=+) 38.Bd5= Attacking the backward pawn on f7 38...Nb8 39.e6 (39.Ke4!?=) 39...fe6=+ 40.Be6 Ke7 (40...Nc6 41.Rf6 Nb4 42.Ke4=+) 41.d5 (41.Rf7 Kd6 42.Rf6 Rg7 43.Bf5 Ke7 44.Rg6 Rg6 45.Bg6 b5=) 41...Kd6 42.Kd4 (42.Rf6 Rg7=+) 42...b5 (better 42...Nc6!? 43.dc6 Ke6 44.cb7 Rb7-/+) 43.Rf6= Rc4 44.Kd3 Kc5 (44...g5 45.Rh6 Rh4 46.Rg6=) 45.Rf8+= Nd7 46.Bd7 Rd4 47.Kc2 Rd5 48.Rc8 Kd4 (48...Kb4 49.Be8 Re5 50.Kd2+= (worse 50.Bg6 Re2 51.Kd3 Rg2-/+)) 49.Be8 Re5 (49...g5 50.Kb3+=) 50.Kd2 (50.Rd8 Kc5 51.Bg6 Re2 52.Rd2 Rd2 53.Kd2 a5+-) 50...Rg5 (50...Rf5!? 51.Rd8 Kc5+=) 51.g3+- a5 52.Rc6 Rf5 53.Rg6 Rf2 54.Ke1 Rh2 55.Bb5 Ke3 56.Kf1 Rb2 (56...h5 57.Kg1 Ra2 58.Rf6+-) 57.Bc6 Rh2 58.Re6 Kd4 (58...Kd3 59.Kg1 Ra2 60.Rh6+-) 59.Kg1 Rh5 (59...Ra2 60.Rh6 Kc5 61.Be8+-) 60.Kg2 Kc5 61.Bf3 Rg5 62.Rh6 a4 (62...Rg7+-) 63.Rh5 (63.Rh5 Rh5 64.Bh5+-) 1–0. Andrews,T (2310) – Nonchev,K (2180), FKB ch–USA Qualifier, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.d4 a6 9.Bd3 Nc6 10.0-0 (10.c4 Nb4=) 10...Rc8 (10...b5!?=+) 11.c4= Nh6 12.Qb1 Na5 13.cd5 (13.c5 Rb8+=) 13...ed5= 14.Re1 (worse 14.Bh7 Bg4 15.Nd2 g6 16.Bg6 Qg5-/+) 14...Bg4 15.e6 (15.Nd2 Qc7 16.Nc2 Qc3=) 15...Be6 (15...Bf3 16.gf3 Qg5 17.Kf1 fe6 18.Re6 Kf7=) 16.Bh7 Ng4?? (16...b5 17.Bd3 Nc4 18.Nc2=+) 17.Re6 (better 17.Bf5 Nh6 18.Be6 fe6 19.Re6 Kf8 20.Qb4 Kg8 21.Rae1+-) 17...fe6=+ 18.Qg6 Kf8 (18...Kd7!? 19.Qg4 Rh7 20.Ne5 Kc7 21.Qe6 Kb8=+) 19.Qg4+= Rh7 20.Ng5 Rh6 21.Ne6 Re6 22.Qe6 Nb3 23.Qf5 (23.Rd1 Nd4 24.Qg4 Nb5 25.Nb5 ab5 26.Qb4 Kg8 27.Qb5 b6=) 23...Kg8= 24.Qe6 Kf8 25.Qf5 (25.Rd1 Nd4 26.Qg4 Nb5 27.Nb5 ab5 28.Qb4 Kg8 29.Qb5 b6=) 25...Kg8= 26.Rd1 Nd4 27.Qe5 Nb3 28.Qe6 Attacks the isolani on d5 28...Kf8 29.Qf5 (29.Qh3 Nc5 30.Nc4 A) 30...dc4?? 31.Qh8 Ke7 32.Qg7 Ke6 33.Qg4 Ke7 34.Qg5 (34.Rd8?! Kd8 35.Qc4 a5+-) 34...Ke8 35.Rd8 Rd8 36.Qh5 Ke7 37.Qc5 Rd6 38.h4+-; B) 30...Kg8+=) 29...Kg8= 30.Qe6 Kf8 31.Nc2 Rc6 (31...Nc5 32.Qe5=) 32.Qh3+- Qc8 (32...Qc7 33.Re1 (33.Qb3?! Rc2 34.Qd5 Rc1=; 33.Rd5 Nd4 34.Rd7 Qd7 35.Qd7 Nc2+-) 33...Qc8 34.Qf3 (worse 34.Qb3 Rc2 35.Qf3 Kg8+=) 34...Kg8 35.Qd5 (35.Qb3?! Rc2 36.Qd5 Kf8+=) 35...Kh7 36.Re7+-) 33.Qf3 (worse 33.Qb3 Rc2 34.Qf3 Kg8 35.Qd5 Kh7 36.Qh5 Kg8=) 33...Kg8 34.Nb4 (worse 34.Rd5 Rc2 35.Qb3 Rc1 36.Rd1 Kh8=+; 34.Qd5?! Qe6 35.Qd8 Kh7 36.Qd3 Kg8+=) 34...Rc3? (better 34...Nc5 35.Nc6 bc6+-) 35.Qd5+- Kf8 36.Qd6 (36.Na2!? Rc4 37.Qf3 Kg8 38.Qb3 b5+-) 36...Kf7 37.Qf4 (37.Qf4 Kg8 38.Nd5+-) 1–0. Torres Santiago,J (2140) – Morales Santos,Natasha (1755), ch–PUR, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.d4 Ne7 9.Bd3 0-0 10.Bh7 Kh7 11.Ng5 Kg8 (11...Kg6 12.Qg4 f5 13.ef6 Kf6 14.Nh7 Kf7 15.Nf8 Qa5 16.Ke2 Kf8 17.Qf4 Kg8 18.Rhb1-/+) 12.Qh5= Re8 (12...Qa5 13.Kd1 Re8 14.Qf7 Kh8 15.Qh5 (worse 15.Ne6 Nf5-/+) 15...Kg8 16.Qf7 Kh8 17.Qh5 (worse 17.Ne6 Nf5-/+) 17...Kg8 18.Qf7=) 13.Qf7 Kh8 14.Qh5 (14.Nb5 Nf5 15.Qg6 Qg5 16.Qg5 Bb5+-) 14...Kg8 15.Qh7 (better 15.Nb5! Nf5 16.Nd6+/-) 15...Kf8= 16.Qh8 (16.Nb5 Nf5 17.Qg6 Re7+=) 16...Ng8 17.Nh7 (17.Qh5!? Qa5 18.Kd1=) 17...Kf7=+ 18.h4 Nh6 (18...Qb6 19.Ng5 Kf8 20.Nh7 Ke7 21.Qg7 Kd8 22.c3=+) 19.Ng5= Qg5 20.hg5?? (better 20.Qe8! Be8 21.hg5=) 20...Rh8-+ 21.gh6 Rh6 22.Rf1 (22.Rh6 gh6 23.Rb1 b6-+) 22...Bc6 23.c4 (23.Ke2 b5 24.c3 Rh2-+) 23...Nd7 24.f4 (24.c5 Rh4 25.f4 b6 26.cb6 ab6-+) 24...dc4 25.Nc4 Bg2 26.Nd6 Ke7 27.Rg1 Rh2 (better 27...Kf8-+) 28.Ra2= Rh1 (28...b6!?=) 29.Rag2+= Rg1 30.Rg1 Rg8 31.Nb7 Nb6 32.Nc5 (32.Ke2 Nd5 33.Kf3 a6+/-) 32...Nd5+= 33.Rg4 (33.Kd2 a5+=) 33...a5 34.Ke2 g6 35.Kd3 Rg7 36.Rg1 Nf4 37.Ke4 Nd5 38.Ra1 g5 (better 38...Rf7!? 39.Ra5 Rf4 40.Kd3 Nb4 41.Kc3 Nc6=) 39.Ra5+/- g4?? (better 39...Nf4+/-) 40.Ra7+- Kf8 (40...Ke8 41.Rg7 Nc3 42.Kd3 Nd5+-) 41.Rg7 (better 41.Ne6 Kg8 42.Rg7 (42.Kd5 Ra7 43.Nf4 g3-/+) 42...Kh8 43.Kd5 g3 44.Rg3 Kh7 45.Nc5 Kh6 46.e6 Kh5 47.e7 Kh4 48.Rg7 Kh3 49.e8Q Kh4 50.Qh8) 41...Kg7 (41...Nc3 42.Kd3 Kg7 43.Ne6 Kf7 44.Kc3 Ke6+-) 42.Ne6 Kf7 43.Kd5 g3 44.Nf4 Ke7 45.Ke4 Kd7 46.d5 Ke7 47.Kf3 Kd7 48.Kg3 (48.Kg3 Kc8 49.e6+-) 1-0. De Monts,Louis (1630) - Pothieux,Philippe (1795), ch-FRA Blitz Online Qual, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3 7.Na3)

    8.d4 Ne7 9.Bd3 Qa5 10.Ke2 (10.Qd2 Nbc6=) 10...Qc7=+ 11.Re1 0-0 12.Kf1 Ng6 13.Kg1 a6 14.Re3 (14.Ng5 Nc6=) 14...h6 (14...Nf4 15.Ng5 h6 16.Nh7=+) 15.h3 (15.Bg6 fg6 16.Nh4 g5=+) 15...Nc6 (15...Nf4 16.Ne1=+) 16.c3 (16.Bg6 fg6 17.c4 dc4 18.Nc4 Nb4=+) 16...Nce7 17.Nh2 (17.c4 Nf4=+) 17...b5-/+ 18.Rg3 Rab8 (18...Rfc8 19.Nf1-/+) 19.Nc2 a5 20.Ng4 Nf5 21.Bf5 ef5 22.Nh6? (better 22.Nge3!? Be6 23.f4-/+) 22...gh6-+ 23.Qh5 (23.Qd2 Kh7-+) 23...Kh7 24.Re1 (24.Ne1 f4 25.Rd3 Ne7-+) 24...Be6 (24...f4 25.Rf3-+) 25.Rf3 (25.Rc1 f4 26.Rf3 f6 27.ef6 Rf6-+) 25...Qe7 (25...b4!? 26.Na1-+) 26.g3 (26.Ra1 a4-+) 26…Qg5 (26...Qg5 27.Qg5 hg5-+) 0–1. Hradsky,J (1815) – Skrabakova,Katarina (2045), Tatry Open Tatranske Zruby SVK, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.c3 Ne7

    9.d4 0-0 10.Bd3 Nbc6 11.Ng5 Ng6 (better 11...h6 12.Nf3 a6=+) 12.Qh5+- h6 13.Nf7 Rf7 14.Qg6 Ne7 (14...Kf8 15.Qh7 Qc8 16.0-0+-) 15.Qh7 Kf8 16.0-0 (16.Qh8 Ng8 17.Bh7+-) 16...Rc8 (16...Nf5!?+-) 17.Nb1 (17.Qh8 Ng8 18.Bh7 Ke7+-) 17...a6 (better 17...Nf5 18.Ra7 Qc7+-) 18.Ra2 (better 18.Qh8 Ng8 19.Bh7+-) 18...Nf5+- 19.Rb2 b5 20.f4 (20.Ra2 Qb6+-) 20...Qb6 (20...Qh4 21.Bf5 ef5 22.e6 Be6 23.Re2=) 21.Kh1 a5 (21...Qa5 22.Rf3+=) 22.Bb5!+- Rb8 (22...Bb5 23.Qh8 Double attack) 23.Na3+- Qc7?? (better 23...Ke7+-) 24.Bd7 Rb2 (24...Ke7 25.Qg6 Qd7 26.Rb8 Nh4+-) 25.Qh8 Ke7 26.Qe8 1–0. Matlakov,M (2400) – Dzhabrailova,I (2110), Chigorin Mem, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    9.d4 0-0 10.Bd3 g6 11.h4 Nf5 12.h5 Qe7 (12...a5 13.g4 Ng7 14.Qd2+-) 13.Qd2 Nc6 14.g4 Ng7 (14...Nfd4 15.cd4 (15.Nd4?! Ne5 16.Be2 g5+=) 15...Qb4 16.Nb5+-) 15.Qh6 Ne8 16.hg6 fg6 17.Bg6! Qg7 (17...hg6 18.Qh8) 18.Bh7 Kf7 (18...Kh8 19.Qe3 Nc7 20.Ng5 Ne5 21.de5+-) 19.Qh4 (better 19.Qh5 Ke7 20.Qh4 Nf6+-) 19...Nc7 20.Ng5 Ke8 21.0-0 (better 21.Bc2!?+-) 21...Ne7 (21...Rf4 22.Rfb1 b5 23.Qh5 (worse 23.Nb5 Nb5 24.Qh5 Ke7=) 23...Ke7 24.Bg6 Rg4 25.Qg4 Qg6 26.Qh4+- (26.Nb5?! Nb5 27.Rb5 Rg8=)) 22.c4 (22.Rfb1 Bc6 23.Kf1 Rh8=) 22...Kd8 (22...Nc6 23.cd5 ed5 24.f4 Nd4 25.f5+=) 23.f4 Kc8 24.cd5 (24.Rab1 Rb8+-) 24...Ned5 (24...Ncd5 25.Qg3+-) 25.Qg3 (better 25.f5!?+-) 25...Bc6+= 26.Nc4 Kd7 27.Be4 Rh8 (27...Bb5!? 28.Bd3 Nf4 29.Nb6 ab6 30.Ra8 Ra8 (30...Nd3?? 31.Raf8 Ne5 32.Qe5 Qe5 33.R1f7 Kc6 34.de5+-) 31.Bb5 Nb5 32.Qf4 Rg8=+) 28.Na5 (28.Nd6 Raf8+-) 28...Raf8 (28...Nb5!?+-) 29.Nc6+- bc6 30.Bd5 (30.Ra7?! Qe7+-) 30...cd5 31.Ra7 Qh6 32.Qg2 Ra8 33.Ra8 Ra8 34.Qh2 Qh2 (34...Qg6 35.Qh7 Qh7 36.Nh7+-) 35.Kh2 Ra2 (35...Nb5 36.Nf3 Ra4 37.Rd1+-) 36.Kg3 Rd2? (36...Nb5+-) 37.Nf3 Rd3 38.Rb1 Kc6 39.Rc1 (39.f5!? Nb5 40.Rb4 ef5 41.gf5 Nc7+-) 39...Kd7 40.Rb1 Kc6 41.f5 Nb5 42.Rb5! Kb5 43.f6 Ra3 44.f7 Ra8 45.g5 Kc6 46.g6 1–0. Evertsson,Kristian (2020) – Larsson,Viktor, SWE–ch op Gotland, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    9.d4 0-0 10.Be2 a6 (better 10...Qc7 11.Qd2 Rc8=+) 11.Ba6?? (better 11.Bd3=+) 11...g5 (better 11...Na6!? 12.0-0-+) 12.Ke2?? (12.Be2 Ng6+=) 12...h6?? (better 12...ba6 13.Qd2 Ng6 14.Qg5 Qg5 15.Ng5 f6 16.ef6 Rf6-+) 13.Qe1?? (better 13.Bb7 Ra7 14.Qb3+-) 13…Qb6 (13...Qb6 14.Bd3 Ra3 15.Ra3 Qb2 16.Qd2 Qa3 17.Ng5 Ng6-/+ (17...hg5?! 18.Qg5 Ng6 19.Bg6=)) 0–1. Smolka,M (2175) – Buraczewski,R (2220), ch–Poland Academic Men (4), 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3 7.Na3 Bd7)

    9.d4 a6 10.Bd3 Nbc6 11.0-0 Rc8 12.Qb1 Rc7 (12...Na5 13.Qc2=+) 13.Nc2 (13.c4 Ng6=) 13...Na7=+ 14.Qb4 Nb5 15.c4 dc4 16.Bc4 Qc8 (16...Bc6 17.Rfc1-/+) 17.Ne3=+ Bc6 18.Rfd1 Rd7 Exerts pressure on the backward pawn ½–½. Kwiecien,Zbigniew (2225) – Nieradka,F, Bytom op, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    9.d4 Nf5 10.Bd3= a6 11.h4 (11.0-0 Qc7=) 11...h5 (11...Qc7 12.Qc2=+) 12.Nc2 Nc6 13.Ne3 Nce7 (13...Ne3 14.fe3 Qc7 15.0-0=+) 14.Ng5 (14.Nf5 ef5 15.0-0 Ng6=) 14...Qc7=+ 15.Rc1 Ne3 16.fe3 f5 (16...f6 17.Nh7 Kd8 18.Qh5-+) 17.0-0 (17.c4 Qa5 18.Kf2 dc4 19.Bc4 Nd5=) 17...b5=+ 18.Be2 g6 19.Kh1 Qc6 20.Bf3 Rc8 21.g3 Ng8 22.Qb3 (22.Ra1 Nh6=+) 22...Nh6-/+ 23.Qa3 (23.Qd1 Ng4 24.Qd2 a5-/+) 23...Nf7 (23...Ng4 24.e4 de4 25.Be4=) 24.Nh3 Ra8 25.Nf4 Rg8 26.Qa5 Bc8?? (better 26...Qc8-/+) 27.c4!+- bc4 (27...bc4 28.Nd5 Decoy; 27...dc4 28.Bc6 Double attack (28.Bc6 Pinning; 28.Bc6 Deflection)) 28.Nd5! ed5 29.Bd5 Qb5 30.Qb5 ab5 31.Ba8 Bd7 (31...Ke7 32.Ra1 Rd8 33.Ra7 Rd7 34.Rfa1+-) 32.Bd5+- Ke7 33.Bf7 (33.Ra1!? Rc8+-) 33...Kf7+- 34.d5 Bc8 (better 34...Re8 35.e6 Be6 36.de6 Re6+-) 35.Rb1+- Ba6 36.Ra1 Bb7?? (36...Ra8+-) 37.Ra7 Rb8 38.Rb1 (38.Rb1 Kg8 39.Rb5 Bd5 40.Rd5+-) 1–0. Wohlfart,Paulus – Starke,Dieter (2280), Oberliga Hessen, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    7.Na3 Ne7

    8.Nb5 0-0 9.Na7 Bd7 10.Nc8 (10.Be2 Na6 11.Nb5 Bb5 12.Bb5 Qb6=) 10...Ba4 11.Ne7 Qe7 12.Bd3 Nc6 13.0-0 Nb4 14.Qb1 Nd3 15.cd3 b5 16.Qb2 b4 17.Nd4 ½–½. juliangon (2640) – endre969 (2735), ChessWorld.net, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.Nb5 0-0 9.d4 Nf5 10.c3 (10.Na7 Na6 11.Nb5 Bd7=) 10...Nc6 11.Bd3 f6 12.h4 (12.Qe2 Bd7=+) 12...fe5-/+ 13.de5 Qe7 14.g4 Nh6 15.Ra4 Ne5?? (better 15...Bd7 16.g5 Qf7 17.gh6 Qf3 18.Qf3 Rf3-+) 16.Ne5+- Qf6? (better 16...a6 17.Qb1 g6+-) 17.f4 a6 (17...Qe7 18.Qb1 (18.Na7?! Qc5+-; 18.Ra7?! Ra7 19.Na7 Qc5+-) 18...g6 19.Na7+- (19.Ra7?! Ra7 20.Na7 Rf4 21.Bg6 Qg7 22.Bh7 Qh7 23.Qh7 Kh7+-)) 18.g5 Qe7 (18...ab5 19.gf6 (19.Ra8?! Qf4 20.Be2 b4+-) 19...Ra4 20.Qb1 Rf6 21.Bh7 Kh8 22.Bc2+-) 19.gh6 Qc5 (19...g6 20.h5 g5+-) 20.Qg4 Qe3 (20...Qe7 21.hg7 Rf5 22.Bf5 ef5+-) 21.Kd1 g6 22.Bg6! Kh8 (22...hg6 23.Qg6) 23.Bh7! (23.Bh7 Qe5 24.fe5 Rf1 25.Rf1 Kh7 26.Qg7) 1–0. Feduk,Irina – Soyunlu,N (1830), EYg12 Herceg Novi MNE, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3)

    8.Bd3=.

    8.d4 b6 9.Nb5= 0-0 10.Bd3 (10.Na7 Ba6 11.Ba6 Ra7+=) 10...h6 (10...Ba6 11.0-0=+) 11.Nd6 (11.Na7 Ba6 12.Nb5 Nbc6=) 11...Nbc6 12.c3 f6 13.Qe2 fe5 14.de5 Bd7 15.Bc2 Nf5 (15...Qc7 16.Nb5 Qb8 17.Nd6=+) 16.0-0 (16.Bf5!? ef5 17.0-0=) 16...Nd6-/+ 17.ed6 Qf6 18.Qd3 Qf4 (18...Rfd8!?=+) 19.Qh7= Kf7 20.Qg6 Kg8 21.Qh7 Kf7 22.Qg6 Kg8 23.Ra4 Qf6 (23...Qd6? 24.Rg4 Rf7 25.Qh7 Kf8 26.Qh8 Ke7 27.Qa8+-) 24.Qh7 Kf7 25.Bg6 Qg6 26.Rf4 Qf5 (26...Qf6 27.Rf6 Kf6 28.Nh4+-) 27.Rf5 ef5 28.Nh4 Ne5? (better 28...Ke6+/-) 29.Nf5+- Kf6 (29...Ke6 30.Qg7 Rae8 31.f4 Rf5 32.fe5 Rf1 33.Kf1 Bb5 34.Kf2+-) 30.Ng3 (better 30.Qg7 Kf5 31.f4+- (31.Qh6?! Rh8 32.Qd2 Bc6=)) 30...Be8?? (30...Ke6+-) 31.Qf5 1-0. Leszko,Bence (2260) - Neelotpal,D (2425), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 ba3 5.Ba3 Ba3 6.Na3 d5 7.e5)

    8.d4 Bd7 9.c3 0-0 10.Bd3 h6 11.h4 (11.0-0 a5=) 11...Nbc6 12.Rh3 f6 13.ef6 Rf6 (13...gf6 14.Qd2 Kf7 15.Nb5+=) 14.Nc2 Qc7 15.Qe2 Raf8 16.Ra3? (16.Qe3 Rf4 17.Rh1 e5 18.de5 Bg4-+) 16...Ng6 (better 16...e5!? 17.de5 Ne5-+) 17.Rg3 Nf4 18.Qd2 (18.Qe3 Qb6-+) 18...e5 (18...Nh5!? 19.Rg6 Rg6 20.Bg6-+) 19.de5 Ne5 20.Ne5 Qe5 21.Re3?? (better 21.Ne3 Be6 22.Bc2-+) 21...Ng2 22.Kd1 Ne3 23.Qe3 Qe3 (23...Qh2!? 24.f4 Rf4 25.Kc1-+) 24.Ne3 (24.fe3 a6-+) 24...Rf2 25.Ra7 R8f3 (25...R8f3 26.Ke1 Re3 27.Kf2 Rd3 28.Rb7 Bc6-+) 0-1. Bortnyk,Olexandr (2595) - Korobov,A (2690), Titled Tuesday, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Ba3 Ba3 7.Na3)

    6.Na3 Nc6

    7.Bb5 Bd7 8.Bc6 Bc6 9.0-0 Ne7 10.c4 dc4 11.Nc4 Ng6 12.Re1 Qd5 13.Ne3 Qd7 14.d4 Be7 15.Ba3 0-0 16.Be7 Ne7 17.Ra2 Bd5 18.Nd5 Nd5 19.Rc2 Rfc8 20.Ree2 a5 21.Rc8 Rc8 22.Rc2 Rc2 23.Qc2 Nb4 24.Qc5 Qc6 25.Kf1 Qc5 26.dc5 Nd3 27.c6 bc6 28.Ke2 Nb4 29.Kd2 f6 30.ef6 gf6 31.Nd4 Kf7 32.Kc3 Ke7 33.Kb3 Kd6 34.Ka4 c5 35.Ne2 Nc6 36.f4 Kd5 37.g4 h6 38.h4 Ke4 39.g5 fg5 40.fg5 hg5 41.hg5 Kf5 42.Nc3 c4 43.Kb5 Ne5 44.Ka5 Kg5 45.Kb4 Kf5 46.Kc5 Kf6 47.Kd4 Kf5 48.Ne4 Nc6 49.Ke3 e5 50.Nd6 Ke6 Draw agreed ½–½. mckenna215 (1960) – Motz Markus (2125), ChessWorld.net, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Na3 Nc6)

    7.Nb5 a6 8.d4 Rb8 9.Nc3 Bb4 10.Bd2 Nh6 11.Bd3 Nf5 12.Ne2 Be7 13.c3 h5 (13...b5 14.Ng3=+) 14.g3 (14.0-0 b5=+) 14...b5 15.Kf1 (15.0-0 Na5-/+) 15...Na5-/+ 16.h3 Nc4 17.Rb1 Bb7 18.Kg2 g6 19.Bc1 Kd7 (19...Ra8 20.Ra1-/+) 20.h4 Bc6 21.Bf5 gf5 22.Ng5 (22.Bg5 Ra8-/+) 22...Qa5 (22...Ke8 23.Ra1-/+) 23.Rb3 (23.Nf7!? Rh7 24.Ng5=) 23...Rbf8 24.Nf4 Qa4 25.Nd3 Kc7 (25...Na5 26.Ra3 Qd1 27.Rd1 Ba3 28.Ba3-/+) 26.Nf3 Na5 27.Rb1 Qd1 28.Rd1 Nc4 29.Bg5 Re8 30.Ra1 a5 31.Rdb1 Kb6 32.Ra2 Bg5 33.hg5 Ra8 34.Nc5 Kc7 35.g6 fg6 36.Ne6 Kb6 37.Kh3 h4 (better 37...Be8!?=+) 38.gh4= Rh6 39.Kg3 Re8 40.Nc5 Reh8 41.Kf4 Rh5 42.Rg1 Be8 43.Nd3 Kc6 44.Rga1 Kb6 45.Nc5 (better 45.e6+-) 45...g5? (better 45...R8h7+=) 46.hg5+- Rh3 47.Rg1 (47.e6!? a4+-) 47...Bh5 48.Rg3 Rg3 49.fg3 Bf3 50.Kf3 Ne5 51.de5 Kc5 52.Ra5 Kb6 53.Ra3 Kc5 (53...Rh1 54.Ra8 Rc1 55.Rd8+-) 54.Kf4 Rf8 (54...d4 55.cd4 Kd4 56.g6+-) 55.g6 Kc4 56.e6 d4 (56...b4 57.cb4 Kb4 58.Ra7+-) 57.cd4 Kd4 58.g7 Rg8 (58...Re8+-) 59.e7 1–0. Lugo,Blas (2305) – Keipo,Guillermo (2275), CUB–ch, 1988. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Nb5 a6 8.d4 Bd7 9.Nd6 Bd6 10.ed6 Nf6 11.Bd3 Nb4 12.Be2 (12.Bg5 Qb6-/+) 12...Rc8 (12...Qc8 13.0-0 Qc2 14.Qc2 Nc2 15.Rb1-+) 13.c4? (better 13.0-0!? Nc2 14.Rb1-/+) 13...dc4-+ 14.0-0 b5 15.Ba3 (15.Bd2 c3 16.Qb3 Nfd5-+ (16...cd2?! 17.Qb4 Nd5 18.Qb2-+)) 15...a5 16.Qd2 (16.Ne5 0-0-+) 16...Qb6 (16...Ne4 17.Qf4 Nc3 18.Qd2 Ne2 19.Qe2-+) 17.Qg5 (17.Bb4 ab4 18.Qb4 Nd5-+) 17...0-0 18.Qe5 Rc6 19.Rfd1 Rd6 20.g4 (20.Rdb1 Nfd5-+) 20...Rd5 (20...Ng4 21.Qe4 Nf6 22.Qb1-+) 21.Qf4 Rd8 22.Ne5 Be8 23.Bb2 Nc2 24.g5 (24.Rab1 Nd4 25.Bf3 Nf3 26.Qf3 Ne4 27.Rd5 ed5-+) 24...Nd4 25.Bf1 Nh5 26.Qh4 g6 (26...f6!? 27.gf6 gf6 28.Qg4 Ng7 29.Bc4 bc4 30.Nc4-+) 27.Re1 (27.Qg4-+) 27…Re5! (27...Re5 28.Bg2 Nf5-+) 0–1. Joller,H (2045) – Vuilleumier,A (2140), ch–SUI Scuol SUI, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Nb5 Bd7 8.d4 a6 9.Nd6 Bd6 10.ed6 Nf6 11.c3 (11.Bd3 Nb4-/+) 11...0-0 (11...Ne4 12.Qb3-/+) 12.Bd3 h6 13.0-0 Na5 (13...Na7 14.Ba3-/+) 14.Ne5 b5 15.g4 Nc4 (15...Nb7 16.g5 Ne8 17.gh6+=) 16.g5 Ne8 (16...hg5 17.Bg5 Ra7=+ (worse 17...Nd6 18.Bf6 Qf6 19.Qh5+-)) 17.gh6+= g6 (17...Ned6 18.hg7 Ne5 19.de5+-) 18.Qg4 Nf6 (18...Ned6 19.Ng6 Qf6 20.h7 Kg7 21.Nf8 Kf8 22.Qg8 Ke7 23.Bg5 Qg5 24.Qg5 f6 25.Qg8 Rg8 26.hg8Q+-) 19.Qh4 Nh7 (19...Nd6?? 20.Bg5 Nde8 21.h7 Kh8 22.Bg6+- (22.Nd7 Qd7 23.Bf6 Nf6 24.Qf6 Kh7+-)) 20.Qg3 Kh8 21.Bc4 (21.Bg6 Ne5 22.Bh7 Nf3 23.Kg2 Qf6 24.Qf3 Qf3 25.Kf3 Kh7+-) 21...dc4 22.h4 Be8 23.h5 g5 24.Ba3 (24.d7 Bd7 25.f4+-) 24...Bd7? (24...Kg8 25.f4 b4 26.fg5 Qg5 27.Qg5 Ng5 28.Bb4+-) 25.Rfe1?? (better 25.f4+-) 25...a5 (25...Kg8 26.Nd7 Qd7 27.Qe5+-) 26.Bc5 Rb8 (better 26...a4!?+-) 27.Ra5! Qa5 28.Nd7 f6 (28...Qd8 29.Nb8 Qb8 30.Qe5 f6 31.Qe6+-) 29.Nf8 (better 29.Nb8 Rb8 30.d7+-) 29...Rf8?? (better 29...Nf8 30.f4 Nd7 31.fg5 fg5 32.Re6 Rf8+-) 30.d7 (30.Re6?! Qd8+-) 30...Rd8 (30...Rg8 31.Qd6 Qc3 32.Qe6+-) 31.Re6 Qa8 32.Qc7 Nf8 33.Re8 Qf3 (33...Qa1 34.Kg2 Qa8 35.Kg3 Qh1 36.Qd8 Qh4 37.Kf3 Qf4 38.Ke2 Kh7 39.Re7 Kh6 40.Qf8 Kh5 41.Qe8 Kg4 42.Re4 Kf5 43.Qe6 Kg6 44.Rf4 gf4 45.Qg4 Kh7 46.Bf8 f3 47.Kf3 b4 48.Qg7) 34.Rd8 (34.Qd8?! Qg4 35.Kh2 Qh4 36.Kg2 Qg4 37.Kf1 Qh3 38.Ke1 Qc3 39.Kf1 Qh3 40.Kg1 Qg4 41.Kh2 Qh4 42.Kg2 Qg4 43.Kh1 Qh4 44.Kg1 Qg4 45.Kh2 Qh4 46.Kg1 Qg4=; 34.Bf8 Qd1 35.Kg2 Qg4 36.Qg3 Qd7 37.Bg7 Kh7 38.Rd8 Qd8+-; 34.Rf8 Rf8 35.Bd6 Qd1 36.Kg2 Qg4 37.Bg3 Qe4 38.f3 Qh7+-) 34...Qd1 35.Kg2 Qg4 36.Qg3 (36.Qg3 Qf5 37.Rf8 Kh7 38.Rf7 Kh6 39.Bf8 Kh5 40.Qh2 Kg4 41.Qh3 Kf4 42.Qf3) 1–0. Joller,H (2025) – Kaminski,T, 4th Open Davos SUI, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.c3 a6 8.d4 Bd7 9.Bd3 Nge7 10.0-0 Rc8 11.Bd2 Na5 12.g3 (12.Ng5 Nf5=+) 12...Nf5 13.Nc2 (13.Qb1 Qc7-/+) 13...Nc4-/+ 14.Bc1 h6 15.Qe2 Bb5 16.Nce1 (16.Ne3 Nfe3 17.fe3 Qd7-/+) 16...Rc6 17.Ng2 g6 18.Bb2 Be7 19.Rfb1 Rc8 20.Bc1 Rc6 21.h4 (21.Bb2 Qc7 22.Bc1-/+) 21...Kf8 22.Ra2 Kg7 23.h5 g5 24.g4 Nh4 25.Ngh4 gh4 26.Kh2 Rc8 (26...Qc7 27.Nd2-/+) 27.g5 (27.Nd2 Nd2 28.Qd2 Bd3 29.Qd3=+) 27...Rg8 (better 27...hg5!? 28.Ng5 Kf8 (28...Bg5?! 29.Bg5 Qg5 30.Rg1 Qg1 31.Kg1=) 29.Nh7 Ke8-/+) 28.gh6= Kh8 29.h7 Rg7 30.Raa1 (30.h6 Rg6 31.Bg6 fg6 32.Qd1+=) 30...Qf8 (30...f5 31.ef6 Qd6 32.Ne5 Bf6 33.h6 Rh7 34.Rb5 ab5 35.Bh7 Kh7 36.f4 Be5 37.fe5+-) 31.Bf4 (31.Bh6 Rg2 32.Kg2 Qh6 33.Rh1=) 31...Rg4 (31...Na3 32.Ra3 Ba3 33.Bh6 Rc3 A) worse 34.Bg7 Qg7 35.Bb5 A1) 35...ab5?! 36.Rg1 (36.Rb5?? Qg4 37.Ng1 Rh3 38.Nh3 Qe2 39.Rb7 Bb2 40.Rf7 Bd4-+; 36.Nh4? Qg5 37.Ng2 b4-+) 36...Qh7 37.Qb5+=; A2) 35...Qh7-/+; B) 34.Bb5 ab5 B1) 35.Bg7?! Qg7 36.Rg1 Qh7 37.Qb5 Rc8+= (37...Qh5?? 38.Qe8 Kh7 39.Qg8 Kh6 40.Qg7); B2) 35.Rg1 Rg2 36.Rg2 Qh6 37.Ng5+-) 32.Rg1 Rf4 33.Rg8 Qg8 34.hg8Q (34.hg8Q Rg8 Combination; 34.hg8R Rg8 Combination; 34.hg8B Rg8 Combination; 34.hg8N Rg8 Combination) 34...Rg8 35.Rg1 Rgg4 (35...b6 36.Bc4 Bc4 37.Qd2+=) 36.Rg4+= Rg4 37.Qf1 (37.Nd2 Rf4+=) 37...Na3= 38.Bb5 Nb5 39.Qc1 Nc7 (39...Kg7!?+=) 40.Kh3+- Rg7 41.Qb2 (41.h6 Rg8+-) 41...b5 (41...Nb5!?+=) 42.Qa1 Rg8 43.Qc1 Rg7 44.Qf4 Kg8 45.h6 (worse 45.Nh4 a5+=) 45...Rg6 46.Nh4 Bh4?? (better 46...Rg5+-) 47.Qh4+- (47.Kh4?! a5+-) 47...Kh7 48.Qe7 (48.Qe7 Rh6 49.Kg3 Rg6 50.Kf4+-) 1–0. sinjoor1 (2295) – juliangon (2695), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 d5 5.e5 ba3 6.Na3 Nc6)

    7.c3 Bd7 8.d4 f6 9.ef6 Nf6 (worse 9...Qf6 10.Nb5 Qd8 11.Bf4+-) 10.Bd3 Be7 11.0-0 Rc8 12.Re1 Qa5 (12...0-0 13.Ng5=) 13.Bd2 Ba3 14.Qb3 0-0 15.Ra3 Qc7 16.h3 a6 17.Qb1 Rce8 18.Ra2 Bc8 19.Ne5 Na5 (19...Ne5 20.Re5 b5 21.Qe1=+) 20.Qb4 (20.Bf4 A) 20...Qc3? 21.Bd2 Qd4 22.Ba5+- (22.Ra5?! Ne4 23.Be4 Qf2 24.Kh2 de4+-); B) 20...Qd8+=) 20...Nc6= 21.Qb1 Na5 (21...Ne5!? 22.Re5 b5=) 22.Bf4+= Qd8 (22...Qc3? 23.Bd2 Qd4 24.Ba5+- (24.Ra5?! Ne4 25.Be4 Qf2 26.Kh2 de4+-)) 23.Bg5 h6? (better 23...Qc7+=) 24.Bh7!+- Kh8 (24...Nh7 25.Bd8 Pinning (25.Bd8 Deflection)) 25.Ng6 (25.Bg6 Re7 26.Bd3 Nc6 27.Ng6 Kg8 28.Nf8 Qf8+-) 25...Kh7+- 26.Nf8 Kg8 27.Bf6 gf6 28.Qg6 Kf8 29.Ra5! Qe7 (29...Qa5 30.Qf6 Double attack) 30.Qh6 Qg7 31.Qg7 Kg7 32.Rd5!! Kf7 (32...ed5 33.Re8 Pinning (33.Re8 Deflection)) 33.Rc5 Ke7 (33...Rd8 34.h4+-) 34.h4 (34.Rc7 Kd8 35.Rf7 f5+-) 34...Kd6 (34...Rh8 35.h5+-) 35.h5 (35.Rb1 Rh8+-) 35...b6 36.Rc4 Bb7 (36...b5 37.Rc5+-) 37.Re3 (37.Rb4 b5 38.c4 Rg8+-) 37...a5 38.Ra4 Bc6 39.Ra1 Kd5 (39...a4 40.Kf1+-) 40.h6 Re7 (40...a4 41.Rh3+-) 41.Kh2 (41.Rae1 Bd7+-) 41...Kc4 (41...Rh7 42.Rh3+-) 42.Ra3 (42.g4 Rh7 43.Rh3 a4+-) 42...f5 (42...Rh7 43.Rh3+-) 43.Kg3 Bd5 44.Kf4 Bg2 45.Kg5 1–0. Smagin,Nikita (1975) – Merza,Morris (2145), Open NK Dieren NED, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.c3 Nge7 8.d4 Nf5 9.Bd3 Be7 10.0-0 a6 11.Nc2 Bd7 12.Ne3 Ne3 13.Be3 0-0 14.Qb1 g6 15.Qb7 Qc8 (better 15...a5!? 16.Qb2 f6+=) 16.Ba6+/- Qb7 17.Bb7 Rab8 (17...Ra1 18.Ra1 Rb8 19.Ra8 Ra8 20.Ba8+/-) 18.Rfb1+- f6? (18...Nd8!? 19.Ba6 Nc6+-) 19.ef6 (19.Bh6 Rfe8 20.ef6 Bf6+-) 19...Bf6 20.Bh6 (20.Bf4 Rbe8+-) 20...Rfe8? (better 20...Bg7 21.Bg7 Kg7 22.Bc6 Bc6+-) 21.Bf4 e5 22.Bc6 (22.de5!? Bg7+-) 22...Rb1 23.Rb1 Bc6 24.Be5 Be7 25.h4 Kf7 26.Rb6 Ba4 27.Rb7 (27.Bf4 Rc8+-) 27...Ke6 28.Rb6 Kf5?? (28...Kf7 29.Bf4 Rc8+-) 29.Nd2 (29.Bd6 Bf6+-) 29...Bh4+/- 30.Rd6 Rc8? (30...Rd8!?+/-) 31.g3 (31.Rd5 Be7+-) 31...Be7 (31...Bg5 32.f4 Bh6 33.Rd5+-) 32.Rd5 Rc3 (32...Bc6 33.Ra5+-) 33.Ra5 (33.Bd6 Ke6 34.Re5 Kd6 35.Ne4 Kd7 36.Nc3 Bc6+-) 33...Bd1 (better 33...Bc6 34.Bg7 Kg4+-) 34.d5?? (better 34.Bd6! Ke6 35.Ne4 Bd6 36.Nc3+-) 34...Ke5 35.f4?? (better 35.d6 Ke6 36.de7 Ke7 37.Ra7 Kd8 38.Rh7+=) 35...Kd4-+ 36.Kf2 Bc5 37.Ke1 (37.Ra2 Kd5 38.Kg2 h5-+) 37...Bg4 38.Rc5 (38.d6 Rc1 39.Kf2 Rc2-+) 38...Kc5 (better 38...Re3 39.Kf1 Kc5-+) 39.Ne4 Kd4 40.Nc3 Kc3 41.d6 Kd4 42.Kf2 Ke4 43.Kg2 h5 44.Kf2 Kd3 (44...Kd5 45.d7 Bd7 46.Kf3-+) 45.Kg2 Ke2 46.Kh2 (46.f5 Bf5 47.g4 Bg4 48.Kg1 Bd7 49.Kh2 Kf2 50.Kh1 g5 51.Kh2 h4 52.Kh1 g4 53.Kh2 g3 54.Kh1 Bc6) 46…Kf3 (46...Kf3 47.f5 Bf5-+ (47...gf5?? 48.d7+-)) 0-1. Abrashkin,B (2405) - Josse,Mar (2235), Titled Tuesday, 2020.

    7.d4 a6 8.Bd3 Bb4 9.Bd2 Bd2 10.Qd2 Bd7 11.0-0 Nge7 12.c4 0-0 (12...Na5 13.Qg5 dc4 14.Nc4 Nc4 15.Bc4=+) 13.Rfb1= Rb8 14.Rb2 a5 15.cd5 (15.c5 Nb4=) 15...Nd5 16.Nc4 b6 17.Ng5 h6 18.Nh7 Re8 19.Be4 Qh4 20.Re1 (20.Nd6 Red8=+) 20...a4 (20...Red8 21.Nd6-/+) 21.Nd6 (21.g3 Qg4=+) 21...b5 (21...Red8 22.Qd3-/+) 22.Qd1 (better 22.Ne8!? Be8 23.Ra2=) 22...Red8-/+ 23.g3 (better 23.Qf3 Be8 24.Rd1-/+) 23...Qe7-+ 24.Rc2 (24.f4 b4-+) 24...b4 (24...Ncb4 25.Rb2 f5 26.ef6 Qd6 27.Qg4=) 25.Bd5? (better 25.Nf6 Nf6 26.Bc6-+) 25...ed5 26.Rc6 b3 (26...b3 27.Rc5 Kh7 28.Qb1 Kg8 29.Rd5 Ra8-/+) 0–1. juliangon (2700) – gonde (2760), ChessWorld.net, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.Na3 Nc6)

    7.d4 Bb4 8.Bd2 Bd2 9.Qd2 Nge7 10.Bd3 Bd7 (10...0-0 11.0-0=) 11.c3 (11.Nb5 0-0=) 11...Ng6 (11...0-0 12.0-0=) 12.h4 Nce7? (12...Na5 13.Rb1=) 13.Nb5 (13.h5 Nf8+/-) 13...Nc8 (better is 13...Bb5 14.Bb5 Nc6+=) 14.Qf4?? (better is 14.h5!? Nge7 15.Qf4+/-) 14...a6 (14...Nf4 15.Bf1 Ng2 16.Bg2 Bb5 17.Bf1 Bf1 18.Kf1-+) 15.Ng5?? (15.Qh2 h5 16.0-0=) 15...f6 (better is 15...Nf4 16.Bf1-+) 16.ef6?? gf6 17.Nh7?? f5 18.Qh6+- Rh7 19.Qh7 Qf6 20.Nc7 (20.Nc7 Kd8 21.Na8+-) 1–0. Flaujac,Benoit (1700) – Petit,Jimmy, Saint Affrique FRA, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4-/+ 5.a3 ba3)

    6.d4 Bd7

    7.c3 a6 8.Na3 Nc6 9.Bd3 Nge7 10.Bg5 h6 11.Bc1 Nf5 12.0-0 Be7 13.Ne1 h5 (13...0-0 14.Nac2-/+) 14.Nac2 Na5 15.Ne3 g6 (15...Ne3 16.fe3 Qc7 17.Ba3=+) 16.Nf5 ef5 17.f4 (17.Ba3 Ba3 18.Ra3 Nc4 19.Bc4 dc4=) 17...Rc8 18.Rf2 Nc4 (worse 18...Rc3 19.Bd2 Qc7 20.Bc3 Qc3 21.Nf3+=) 19.Nf3 Qc7 20.Ng5 Bg5 (20...h4 21.Qf3=+) 21.fg5= Be6 22.Rc2 Qe7 23.h4 Rc6 24.Bc4 Rc4 (worse 24...dc4 25.d5 Qc5 26.Kh1 Bd5 27.Rd2 Bg2 28.Kg2+-) 25.Ba3 Qc7 26.Bd6 Qc6 27.Qd2 Kd7 28.Rb1 Rc8 29.Bc5 b5 30.Ra1 Rb8 31.Rca2 Ra8 32.Ra5 Kc8 33.Qb2 Kb7 34.Bb4 Bc8 35.Qd2 Qe6 36.Qf4 Bd7 37.Qd2 Bc8 38.Qf4 Bd7 39.Qd2 Qc6 40.Qb2 Be6 41.Qd2 (41.Qa3 Kc7+=) 41...Bd7 42.Qb2 Be6 43.Qd2 (43.Qa3 Bc8=) 43...Bd7 44.Qb2 Be6 ½–½. Armas,Lena – Samoun,Florent, Saint Paul Trois Chateaux France, U20, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.c3 Qb6 8.Bd3 (8.Ba3 Ba3 9.Ra3 Ne7=+) 8...Bb5 9.0-0 Bd3 10.Qd3 Nd7 (10...Qa6 11.Qc2=+) 11.Na3 (11.Ba3 Be7=+) 11...Rc8=+ 12.Bd2 Ba3 13.Ra3 a6 14.Rb1 Qc6 15.Rab3 (15.Be3 Ne7=+) 15...b5 16.Ne1 Ne7 ½–½. Davies,C (2050) – Hodge,D (2130), Glorney and Faber Cup, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.c3 Qc7 8.Bd3 Nc6 9.0-0 (9.Ba3 Be7=+) 9...Na5 (9...f6 10.ef6 Nf6 11.Na3=+) 10.Ng5 (10.Ba3 Ba3 11.Ra3 Ne7=+) 10...g6 (10...Be7 11.Qh5 Nh6 12.Ba3 Ba3 13.Ra3=) 11.Qf3= Bc6 12.Na3 (12.Ba3 Ba3 13.Na3=) 12...Nc4 (12...a6 13.Nc2 Nb3 14.Ra2=+) 13.Nc2 (better 13.Nc4!? dc4 14.Be4 Be4 15.Ne4+- (15.Qe4?! h6 16.Nh3 Ne7=+)) 13...Qd7 14.Ne3 h6 15.Qh3 (15.Bc4 hg5 16.Bd3 Be7=) 15...Bg7 16.Nf3 (worse 16.Nc4 A) worse 16...hg5 17.Nd6 Qd6 18.Qh8 (worse 18.ed6 Rh3 19.gh3 Bf8=+) 18...Bh8 19.ed6+=; B) 16...dc4 17.Nf7 Kf7 (17...cd3?! 18.Nh8 Bh8 19.Bh6=) 18.Bc4 Ne7-+; 16.Bc4? hg5 (16...dc4?! 17.Nf3=+) 17.Qg3 dc4 18.Nc4 b5 19.Nd6 Kf8 20.Bg5 Nh6-+) 16...Ne3 17.fe3 (17.Be3 Bb5 18.Bb5 Qb5=+) 17...Ne7 (17...Bb5 18.Bb5 Qb5 19.Nh4=+) 18.Nd2= a6 (18...a5 19.e4=) 19.Ba3 (19.e4 b5=) 19...0-0 (19...b5 20.e4=) 20.Rf6 (20.e4 Rfc8=) 20...Bb5 (20...b5 21.Rf2=) 21.c4 (21.Bb5 ab5 22.Rff1 Ra6=) 21...dc4 (21...Bf6?? 22.ef6 Nf5 23.Bf5+-) 22.Nc4 (22.Bc4 Rfc8 (worse 22...Bf6 23.ef6 Nf5 24.Bf8 Rf8 25.g4+-) 23.Bb5 ab5=) 22...Bc4=+ (worse 22...Bf6 23.ef6 Nd5 24.Nb6+=) 23.Bc4 Kh7 (better 23...Rfc8!? 24.Re6 Rc4 25.Re7 Qh3 26.gh3 b5=+) 24.Rf3 Rac8 25.Rf7 (25.Ba2 Rc3 26.Bb4 Rc2+=) 25...Rf7 (worse 25...Rc4 26.Re7 Qc8 27.Rg7 (27.Re6 Ra4 28.Qg4 Ra3 29.Qg6 Kh8-/+) 27...Kg7 28.Bf8 Qf8 29.Qe6+-) 26.Be6? (better 26.Qe6 Qe6 27.Be6-/+) 26...Qe8?? (26...Qc6 27.Bf7 Qc3 28.Bg6 Kg6 (worse 28...Ng6 29.Rc1 Qd2 30.Qc8 Qe3 31.Kh1 Qa3 32.Rd1=) 29.Qg3 Kh7-+) 27.Be7 (27.Bf7 Qf7 28.Be7 Rc2+-) 27...Re7 (27...Rc2 28.Bf7 Qf7 29.Bf6+-) 28.Bc8 Rc7 (28...Qc6 29.Rf1+-) 29.Be6+- Rc3 (29...a5 30.Bd5+- (30.Ra5?! Rc1 31.Kf2 Qf8 32.Kg3 Re1=+)) 30.Rf1 (30.Bd5 b6+-) 30...Qb5 (30...Qc6 31.Re1+-) 31.Bf7 (31.Qf3 Qd3+-) 31...Qc6 (31...Qd3 32.Re1+-) 32.d5 Qb6 33.d6 Qe3 34.Qe3 Re3 35.e6 (35.e6 Bd4 36.Kh1+-) 1–0. Hrabinska,Myroslava (2280) – Umpfenbach,Carolin (2125), Dresden GER, Infineon Young Masters, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.c3 f5 8.Na3 a6 9.Bd3 Nc6 10.g4 fg4-/+ 11.Ng5 g6 (11...Qa5 12.Bd2 Ba3 13.Qb3=+) 12.Qg4 (better 12.Nh7 Rh7 13.Bg6 Rf7 14.Qg4+-) 12...Nh6?? (12...Qa5!? 13.Bb2 Nh6-/+) 13.Qh3?? (better 13.Nh7!? Qa5 14.Qg6 Nf7 15.Nc2 Qc3 16.Bd2+-) 13...Qe7 (better 13...Nf5!?=) 14.Nb5+= 0-0-0 (better 14...Kd8!?+=) 15.Nd6+- Kc7 16.Rb1 (16.Nf3 Nf7 17.Ba3 Ng5 18.Ng5 Qg5+-) 16...Rb8+/- 17.Rg1 Nd8 18.Ba3 Qg7 19.Ba6?? (better 19.Bb4+/-) 19...ba6-/+ 20.Rb8 Kb8 21.Qd3 Bd6 22.Bd6 Kb7 23.Kd2? (better 23.c4!? dc4 24.Qc4-+) 23...Bb5-+ 24.Rb1 (24.c4 dc4 25.Qf3 Kb6-+) 24...Qd7 (24...Kc8 25.Qf3 Kd7 26.Bc5-+) 25.c4 (25.Qf3 Ndf7 26.Qf6 Rc8-+) 25...dc4 26.Qc4 Nhf7 (26...Nf5 27.Bc5-+) 27.Ne4 Qc6 28.Nc5? (28.Qd3 Ka8 29.Qe3 Qd5-+ (29...Nd6 30.Nd6 Qd5 31.Nb5 ab5 32.Qa3 Kb7 33.Qd3-+)) 28...Kc8 (28...Ka7 29.Qc3 Nd6 30.ed6-+) 29.Qb4 (29.Qc3 Nb7 30.Ne6 Qc3 31.Kc3 Nbd6 32.ed6-+) 29...Nd6 30.ed6 Qd6 0-1. Grabinsky,V (2215) - Hevia,A (2465), Titled Tuesday, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Bd3 a2 8.Ra2 Nc6 9.c3=.

    7.Bd3 Qa5 8.Bd2 Qc7 9.0-0 Nc6 10.Na3 a6 11.c3 Rc8 (11...Ra7 12.Ng5=) 12.Ng5 Na5 13.f4 (13.Nh7!? Be7 14.Ra2=) 13...Ba3=+ 14.Ra3 Nc4 15.Nf7? (better 15.Bc4 Qc4 16.Qh5=+) 15...Kf7-+ 16.f5 (16.Bc4 Qc4 17.Qh5 g6-+) 16...ef5 (16...Na3 17.fe6 Ke7 18.Bg5 Nf6 19.ef6 Kd6 20.Bf4 Kc6 21.Qa4 b5 22.Qa3+-; 16...Nd2 17.fe6 Ke6 18.Qg4 Ke7 19.Qg7 Kd8 20.Rf8 (20.Qh8?! Be6 21.Rf8 Kd7 22.Qh7 Ne7 23.Rc8 Qc8+=) 20...Be8 21.Qh8+-) 17.Bf5 Bf5 (17...Na3 18.Qh5 g6 19.Bg6 Ke6 20.Qf5 Ke7 21.Bg5 Nf6 22.Qf6) 18.Rf5 Ke8 19.Qa4 (19.Rb3-+) 19...Qc6 20.Qb4 (20.Qc6 Rc6 (worse 20...bc6 21.Ra2-+) 21.Ra2 Nd2 22.Rd2 Rc3-+) 20...Ne7 (20...Nd2 21.Qf8 Kd7 22.Rf7 Ke6 23.Qg7=) 21.Rg5 (21.Rf2 Na3 22.Qa3 Qg6-+) 21...Nd2 22.Rg7 Rc7 23.Qd6 Qd6 (23...Nc4 24.Qc6 Rc6 25.Ra2-+) 24.ed6 Rd7 (better 24...Nc4 25.Ra6 ba6 26.dc7-+) 25.de7 Re7 26.Rg4 (26.Re7 Ke7 27.Ra2 Nc4-+) 26...Rf8 27.h4 (27.Ra1 Ne4-+) 27...Re4 (27...Re1 28.Kh2 Nf1 29.Kh3 Re3 30.g3 h5 31.Rg6 Rf2 32.Re6 Re6 33.Ra2 Ra2 34.g4 Re3) 28.Rg7 (28.Re4 de4 29.Ra1 Kd7-+) 28...Rh4 (28...Rf1 29.Kh2 Rh4 30.Kg3 Rff4 31.Rg8 Kf7 32.Rg4 Rhg4 33.Kh3 Rh4 34.Kg3 Ne4) 29.g3 (29.Ra1 Rf7 30.Rf7 Kf7-+) 29...Rh6 (29...Nf3 30.Kf1 Rh1 31.Ke2 Ng1 32.Kd1 Rf2 33.Rg8 Kf7 34.Rf8 Kf8 35.Ra6 Nf3) 30.Rb7 Ne4 (30...Rf1 31.Kg2-+) 31.Rb8 (31.c4 Rf5 (31...dc4?! 32.Re3 Re6 33.d5-+) 32.Rb8 Kd7-+) 31...Kf7 32.Rb7 Kg8 33.Ra5 (33.Ra7 Rg6 34.R7a6 Rg3 35.Kh1 Rf4 36.Ra8 Kg7 37.R8a7 Kg6 38.R3a6 Nf6-+) 33...Rd6 (33...Rg6 34.Ra2-+) 34.Kg2 (34.Ra7 Rg6 35.R5a6 Rg3 36.Kh1 Rc3-+) 34...Rf7 (better 34...Rf2!? 35.Kg1 Rdf6 36.Rb1 Ng3 37.Re1-+) 35.Rb8 Kg7 36.Ra8 Rff6 37.g4 Rf2 (37...Rb6 38.Ra1-+) 38.Kg1 Rf4 39.Ra7 Kg6 40.R7a6 Rg4 41.Kf1 (41.Kh2 Ra6 42.Ra6 Kf5-+) 41...Rf6 (41...Ra6!? 42.Ra6 Kg5 43.Ra5 Nc3 44.Rc5-+) 42.Rf6 Nf6 43.Kf2 (43.Ra6 h5-+) 43...h5 44.Kf3 h4 45.Ra6 Rg3 46.Kf4 Rc3 0–1. Stromberg,Gorm – Smalley,R, Aarhus op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Bd3 Qb6 8.Na3 Bb4 (8...Nc6 9.c3=) 9.Bd2= Bd2 10.Qd2 Ne7 11.0-0 h6 12.Rfb1 Qc7 13.Qb4 b6 14.Rb3 (14.c4 dc4 15.Nc4 Nc8+=) 14...f5 (14...Bc6 15.Rc3 0-0 16.Nb5=) 15.Rc3 Qd8 16.Nb5 Bb5 17.Bb5 Kf7 18.Qd6 (18.Ra4 a5 19.Qa3 Rf8=) 18...Qd6 19.ed6 Nc8 20.Ne5 Kf6 21.d7 Nd6 22.Bc6 Nc6 23.Rc6 Nf7 (23...Nb5 24.c3=+) 24.Nd3 (24.Nf7 Kf7 25.Rc7 Rhd8-/+) 24...Ke7 (24...Rhb8 25.Ra6 Ke7 26.Nf4-/+) 25.Rc7 (25.Nf4 Kd7 26.Re6 g5=) 25...Rhd8-/+ 26.Nf4 (26.Rca7!? Ra7 27.Ra7 Rd7 28.Ra6-/+) 26...Rd7 (26...g5 27.Ng6 Kf6 28.Ne5 Ne5 29.Rca7 Ra7 30.de5 Ke5 31.Ra7-+) 27.Rc6-/+ Nd8 28.Rc3 (better 28.Rb6!? Rc7 29.Rba6 Rc2 30.Kf1-+) 28...Kd6 29.h4 Rc7 30.Rg3 (30.Rc7 Kc7 31.Kf1 Kd6-+) 30...a5 (30...Rc2 31.Re1 Rd2 32.Rg7 Rd4 33.g3-+) 31.Nh5 (31.Rg6 a4-+ (31...Rc2?! 32.Re1-/+)) 31...Raa7 (31...Rc2!? 32.Ng7 Ke7 33.Re1-+) 32.Rg6 b5 (32...Rc2?! 33.Ng7 f4 34.Re1 Rg7 35.Rg7-+) 33.Ng3 (33.Re1 Rf7-+) 33...Rf7 (33...Rc2?! 34.Nf5 Kc6 35.Ng7-+) 34.Re1 (34.c3 a4-+) 34...b4 35.Ne2 Rf6 36.Rg3 Nc6 (36...a4 37.f4-+) 37.Rd3 (37.f4 g6-+) 37...g5 38.h5 a4 39.f4 0–1. Volkmer,Andreas (2260) – Fleischer,Peter, BL2–N9192 Germany, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Bd3 Bc6 8.0-0 (8.Na3 Na6=) 8...Nd7 (8...b5 9.c3=) 9.Na3 Ne7 10.Ng5 g6 (10...h6 11.Nh7=) 11.Qf3+= Nf5 12.Bf5 gf5? (better 12...ef5!? 13.e6 fe6 14.Ne6 Qb8+=) 13.Ne6!+- Ne5? (13...fe6 14.Qh5 Combination) 14.Qf5?? (better 14.Qh5 Nf3 15.gf3+-) 14...Nf3+- 15.Qf3 fe6 16.Re1 (16.Qh5 Kd7+=) 16...Kd7 17.Rb1 Qe8 (17...Bg7 18.Nb5 Qh4 19.Qf7 Qe7 20.Qf4 Bb5 21.Rb5+-) 18.Rb3 (18.Bf4 Kd8+-) 18...Qg6 19.Qe2 (19.Bf4 Ba3 20.Ra3 Qc2=) 19...Bd6= 20.Nb5 Rag8 (better 20...Rhg8 21.f4 Qg4+=) 21.Rg3?? (better 21.f3 Bb5 22.Rb5+=) 21...Bg3-/+ 22.hg3 h5 (better 22...a6!? 23.Qe5 ab5=) 23.Bf4=+ Qe4 (better 23...Qf5=+) 24.Qf1?? (better 24.Qd2 Qg6 25.Qa5+=) 24...Qc2-+ 25.Na7 Qc4 (25...Ra8 26.Nc6 bc6 27.Rb1-/+) 26.Qc4 (26.Nc6 Qf1 (26...Kc6?? 27.Re6 Kd7 28.Rd6 Kc8 29.Qa1+-; 26...bc6?! 27.Qc4 dc4 28.Be5=+) 27.Kf1 bc6=+) 26...dc4 27.Nc6 Kc6 (worse 27...bc6 28.Be5 Rh6 29.Rc1=+) 28.Re6 Kd5 29.Rd6 Ke4 0–1. Jakobsen,Peter (2250) – Boe,Mads (2255), Aarhus Aarhus DEN, 1992. (=1.Nf3 e6 2.e4 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Bd3 Be7 8.0-0 a6 9.Na3 (worse 9.Ra3 Ba3 10.Na3 b5-/+) 9...Nc6 10.c3 Rc8 11.Bd2 Na7 (11...Na5+=) 12.Qb1 (better 12.Qb3!? Bc6 13.h3+=) 12...Ba3= 13.Ra3 Bb5 14.c4 (14.Rc1 Bd3 15.Qd3 Ne7=+) 14...dc4=+ 15.Bh7 (15.Be4 Nc6=+) 15...c3-/+ 16.Bg5 (16.Bc3? Bf1 17.Kf1 Nb5-+) 16...Ne7 17.Rc1 g6 18.Bg6 fg6 19.Bf6 (19.Be7 Qe7 (19...Ke7 20.Rac3 Rc3 21.Rc3-+) 20.Qg6 Qf7-+) 19...Rg8-+ 20.Rac3 Rc3 21.Rc3 Nac6 22.Qc1 Qd5 23.Qh6 (23.Be7 Ke7 24.h4 Ke8-+ (24...Nd4?! 25.Rc7 Bd7 26.Qg5 Ke8 27.Nd4 Qd4 28.Rb7 Qd1 29.Kh2=+)) 23...Kd7 (23...Be2 24.Ng5-+) 24.h4 (24.Rc5 Qb3 25.Rc1 Qa3-+) 24...Re8 25.Rc5 (25.Qf4 Bc4-+) 25...Qe4 26.Kh2 (26.Rc1 Qd3-+) 26...Be2 27.Ng5 (27.Ne1 Nd5 28.Rc1 Qf4 29.Qf4 Nf4-+) 27...Qf4 (better 27...Qd4!? 28.Rc2 Ne5 29.Be5 Qe5 30.g3-+) 28.Kg1 Qd4 29.Rc1 Qd2 30.Rb1 (30.Ra1 Qc3 31.Rb1-+) 30...b5 31.Qg7 Bd3 32.Ra1 b4 33.Qf7 (33.Nf3 Qc2 34.Qh6-+) 33...Nd8 34.Qg7 b3 35.Ra4 (35.Nf3 b2 36.Rb1 Qc1 37.Rc1 bc1Q 38.Kh2-+) 35...Ndc6 36.Qf7 Bf5 (better 36...b2 37.Qe6 Kc7-+) 37.Nh7 (37.Nf3 Qd1 38.Kh2-+) 37...b2 38.Bg5 b1Q 39.Kh2 Qf2 40.Nf6 (40.Bc1 Qc1 41.Rd4 Nd4 42.Nf6 Kc7 43.Ne8 Kb8 44.Qf5 Nef5 45.Nd6 Qh4) 40...Kc7 41.Ne8 (41.Nd5 ed5 42.Bc1 Qc1 43.Qe7 Re7 44.Rg4 Bg4 45.e6 Qh4) 41…Kb8 (41...Kb8 42.Bc1 Qc1 43.Rb4 Nb4 44.Qf5 Nf5 45.Nd6 Qh4) 0–1. Polok,K (2310) – Bogdanov,Ignat (2050), 19th Raciborz Open, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3 6.d4 Bd7)

    7.Bd3 Ne7 8.0-0 g6 (8...Nf5 9.Ba3 Ba3 10.Na3=) 9.Na3 Bg7 10.Bg5 0-0 11.Qd2 f6 12.ef6 Bf6 13.Bh6 Bg7 14.Rfe1 (14.Bg7 Kg7 15.Qe2 Nbc6=) 14...Nbc6 (14...Rf3!? 15.gf3 Bd4-/+) 15.Bg7= Kg7 16.Ng5 Exerts pressure on the backward pawn (16.Qe2 Nf5 17.Bf5 Rf5=) 16...Rf6 (16...Nd4 17.Rab1 Rf6 18.Rb7 Bc8=+) 17.Re3? (17.Qe3 Nf5 18.Bf5 ef5=+) 17...h6 (better 17...Nd4!? 18.Rh3 h5-/+) 18.Nf3= a6 19.h4 (19.c4 b6=+) 19...Qa5 20.Qc1 Qb6 21.Rb1 (21.c3 Nf5 22.Re2 Qd8=+) 21...Qc7-/+ 22.c4 Raf8 (22...dc4 23.Nc4 Nd5 24.Re1-/+) 23.Qb2=+ Bc8 24.Rf1 (24.Rbe1 dc4 25.Nc4 Nd5=+) 24...dc4 25.Nc4 Nd5 26.Re4 b5 27.Nce5 Ne5 28.de5 Rf4 29.Rc1 Qe7 30.Rc6 Bb7 31.Rd6 Rf3 32.gf3 Rf3 (better 32...Nf4 33.Red4 Rf7-/+) 33.Qe2? (33.Qd4 Qc7=+) 33...Rf4 (33...Rh3 34.Bc2 Nf4 35.Qd1 Be4 36.Be4 Qh4 37.Rd7 Kg8 38.Rd8 Kf7 39.Rb8 Qg5 40.Kf1=) 34.f3? (better 34.Rd5 Re4 35.Qe4=) 34...Nc3-+ (34...Rh4?! 35.Rh4 Qh4 36.Rd7 Kg8 37.Rb7 Qd4 38.Kh1 Qh4 39.Qh2 Qe1 40.Qg1 Qh4 41.Qh2 Qe1 42.Qg1 Qh4 43.Qh2=) 35.Qd2 (35.Rf4 Ne2 36.Be2 Qc7-+) 35...Be4 (35...Re4?! 36.Be4 Ne4 37.fe4=; 35...Ne4?! 36.Be4 Rf7 37.Bb7 Qb7 38.Qd3 Qf3 39.Qf3 Rf3 40.Ra6-+; 35...Rf3 36.Rg4 Qc7 37.Rg6 Kf7 38.Kh2+- (38.Qh6?? Qc5 39.Rd4 Qd4 40.Qe3 Qe3 41.Kg2 Qf2 42.Kh1 Rh3; 38.Rde6 Qc5 39.Kh2 Rf2 40.Kg3 Rd2 41.Rgf6 Kg7 42.Rg6 Kf8 43.Rgf6 Kg8 44.Rg6 Kh7 45.Rh6 Kg8 46.Reg6 Kf8 47.Rh8 Ke7 48.Rh7 Kf8 49.Rh8 Kf7 50.Rh7 Kf8 51.Rh8=; 38.Rh6 Qc5 39.Kg2 Rd3 40.Kf1 Rf3 41.Kg2 Re3 42.Rd5 Bd5 43.Kh2 Re2 44.Kh3 Rd2 45.Rf6 Ke7 46.h5 Qe3 47.Rf3 Qf3 48.Kh4 Qf4 49.Kh3 Rd3)) 36.Be4 Ne4 37.Qf4 Nd6 38.ed6 Qf6 39.Qe4 Qa1 (39...Qc3 40.Qb7 Kf6 41.Qe7 Kf5=) 40.Kh2 Qb2 41.Kh3 (41.Kg3!? Qc1 42.Qe6 Qg1 43.Kh3 Qf1 44.Kg3=) 41...Qf6=+ 42.Qb7 Kf8 (42...Qf7 43.d7 g5 44.Kg2 gh4 45.Qc7+-) 43.Qa8 Kg7 44.d7 Qf5 45.Kg2 Qc2 46.Kh3 Qf5 ½–½. Dovzik,Juri (2360) – Vigh,Bela (2370), HUN–chT, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    6.d4 f6

    7.Ba3 Qa5 8.Nfd2 Bb4=.

    7.Bd3 Nc6 8.Na3 fe5 9.Ne5 Bb4 10.Bd2 Bd2 11.Qd2 Nd4 12.Nb5 Nb5 13.Bb5 Kf8 14.0-0=+.

    7.Bd3 Nc6 8.Na3 fe5 9.Ne5 Bb4 10.Bd2 Bd2 11.Qd2 Nd4 12.Bh7 Rh7 13.Qd4=+.

    7.Bd3 Qc7 8.Na3 Bd7=.

    7.Bd3 Qc7 8.c3 Nc6=+ 9.Bf4 (9.Qe2 a2 10.Ra2 fe5 11.Ne5 Ne5 12.de5 Ne7=+) 9...Qa5 10.Qb3 (10.Qc2 g5 11.Be3 g4-/+) 10...Qb6 (10...g5 11.Bg3 g4 12.Nfd2-/+) 11.Qc2 (11.Bb5 a6 12.Bc6 Qc6 13.Na3 b5=+) 11...Qb2 12.Qb2 ab2 13.Ra2 a6 (13...g5!? 14.Bg3 g4-/+) 14.Rb2 b5 (14...g5 15.Bg3 g4 16.Nfd2-/+) 15.Nbd2 (15.ef6 gf6 16.Ra2 b4=+) 15...b4 (15...g5 16.Bg3 g4 17.Ng1-/+) 16.cb4=+ Bb4 17.ef6 gf6 18.0-0 Nge7 19.Rc2 (19.Nb3 a5-/+) 19...Kf7 20.Nb3 a5 21.Bb5 Bd7 (21...Ba6 22.Bc6 Bf1 23.Kf1-+) 22.Nc5 (22.Ra1 e5 23.Bc6 Nc6 (23...Bc6?! 24.de5 Rhg8 25.ef6 Kf6 26.h4=) 24.de5 fe5 25.Ne5 Ne5 26.Be5 Rhc8-/+) 22...Be8 (22...Bc5 23.Rc5 Rhc8 24.Ra1-/+) 23.Rfc1 Na7 24.Ba6 (24.Be2 Bb5 25.Kf1 Be2 26.Ke2 Rhg8-/+) 24...Bb5 (24...Nb5 25.Bd2 Bc5 26.Bb5-+) 25.Bb7 Rae8 (25...Rab8 26.Ba6 Rbe8 27.Bb7-/+) 26.Bd2 (26.Ra1 Nec6-/+) 26...Bd2 (26...Bc5 27.Rc5 Rb8 28.Rc7-/+) 27.Rd2=+ Nac6 (27...Bc4 28.Rb2=+) 28.Ra2 (28.Rb2!? Bc4 29.Rb6=) 28...Rb8-/+ 29.Rb1 Bc4 30.Raa1 (30.Rab2 Nb4-/+) 30...Rhg8 (30...Be2 31.Nd2-+) 31.Rb2-/+ Rg4 32.Rd1 Nd8 33.Re1 (better 33.Ra1-+) 33...Nb7 (33...Nf5 34.h3 Rf4 35.Ra1-+) 34.Rb7? (34.Nb7 Kg8 35.Re6-/+) 34...Rb7-+ 35.Nb7 Nc6 36.h3 Rf4 37.Ra1 Be2 (37...Nd4?! 38.Nd4 Rd4 39.Nd8 Kg6 40.Ne6-/+) 38.Na5 (38.Rc1 Nd4 39.Nd4 Rd4 40.Na5 e5-+) 38...Na5 39.Ra5 Bf3 40.gf3 Rd4 41.Ra7 Kg6 42.Kg2 Rc4 43.Re7 e5 44.Rd7 Rd4 (44...d4 45.f4 e4 46.Kg3-+) 45.Kg3 (45.Kf1 h5-+) 45...h6 46.Kg2 h5 47.Kg3 h4 48.Kg2 Kf5 49.Rd6 Rd3 50.Rb6 Kg6 (50...d4 51.Rb8-+) 51.Rb7 f5 (51...Rd2!? 52.Rd7-+) 52.Rb6 Kf7 53.Rb7 Ke6 54.Rb6 Ke7 55.Rb7 Kd6 (55...Kf6 56.Rb6 Kg5 57.Re6-+) 56.Rb6 Ke7 57.f4?? (57.Rb7 Kf6 58.Rb6 Kg5 59.Re6-+) 57...ef4 58.Rh6 (better 58.f3-+) 58...f3 59.Kh2 Rd4 0–1. Novak,Ksenija – Hari,V (2070), ch–SLO w Grize SLO, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    7.Bd3 fe5 8.Ne5= Nf6 9.g4 (better 9.0-0!?=) 9...Nc6 10.g5 (10.Nc6 bc6 11.Qe2 e5=+) 10...Ne5 11.de5 Qc7 12.Qe2 (12.f4 Nd7 13.Qh5 g6 14.Bg6 hg6 15.Qh8 Qc2-+) 12...Nd7 13.Qh5 (better 13.f4!?-/+) 13...Kd8-+ 14.0-0 Qe5 15.Na3?? (15.c3-+) 15...g6 (15...Qa1 16.Nb5 Qa4 17.Bb2-+) 16.Qg4 Bd6 (16...Qa1 17.Nb5 Ne5 18.Qe2-+) 17.f4 (17.Qg3-+) 17...Qa1 18.Nb5 Bc5 19.Kh1 a6 20.Ba3 Qf1! (20...Ba3?! 21.Ra1 ab5 22.Qe6-/+; 20...ab5?! 21.Ra1 Ra3 22.Ra3 Ba3 23.Qe6-+) 21.Bf1 ab5 22.Bb2 (22.Bc5 Nc5 23.Qg1 b6 24.Bb5 Rf8-+) 22...e5! 23.Qe6 (23.Be5 Ne5 Combination; 23.fe5 Ra2 Combination) 23...Rf8 (23...Re8 24.Qd5 ef4 25.Kg2-+) 24.Bb5 (24.Be5 Ne5 25.Qe5 Rf5 26.Qh8 Bf8-+) 24...Rf4 (24...ef4 25.Qd5 Rf5 26.Qg8 Nf8 27.Bf6 Kc7 28.Qg7 Kb6 29.Bf1-+) 25.Qd5 (25.Bd7 Bd7 26.Qg8 Rf8 27.Qd5-+) 25...Rb4 (better 25...Rg4 26.h3 Rg5 27.Bd7 Bd7-+) 26.Bd7 Bd7 (26...Rb2? 27.Bc8 Kc8 28.Qc5 Kd7 29.Qd5 Kc8 30.Qe6 Kd8 31.Qd6 Kc8 32.Qf8 Kc7 33.Qe7 Kb6 34.Qd6 Ka7 35.Qa3 Kb8 36.Qb2+-) 27.Qc5 Rb2 28.Qf8 Be8 29.Qd6 Bd7?? (better 29...Kc8 30.Qe6 Bd7 31.Qg8 Kc7 32.Qa8 Rc2-/+) 30.Qf6+- Kc8 31.Qf8?? (better 31.Qh8 Kc7 32.Qe5 Kc6 33.Qb2+-) 31...Kc7-/+ 32.Qa8 Rc2 33.Qa5 (better 33.Qf8 Bc6 34.Kg1-/+) 33...Kc8 (better 33...Kd6 34.Qa3 Rc5-/+) 34.Qe5+= Bc6 35.Kg1 Rg2 (35...Kd7 36.Kf1+=) 36.Kf1+- Rd2 37.Qh8 Rd8 38.Qh7 Be4 39.h4 b5 40.h5 Bd3 41.Kf2 gh5 42.g6 Bc4 (42...h4 43.Qh4 Kd7 44.Qd4 Kc7 45.Qg7 Kd6 46.Qf6 Kd7 47.g7+-) 43.Qh5+- Rf8 44.Ke3 Kd7 45.Ke4 Re8 46.Kf5 Rf8 (46...Bd3 47.Kf4 Rf8 48.Kg3+-) 47.Kg5 Ke6 48.g7 Rg8 49.Qg6 Kd5 50.Kh6 Kc5 51.Qf5 Kb4 52.Qf8 Ka4 53.Kh7 b4 54.Qg8 (better 54.Qc5 Bb3 55.Qa7 Kb5 56.Qd7 Ka5 57.Qd3+-) 54...Bg8= 55.Kg8 b3 56.Kh8 b2 57.g8Q b1Q ½–½. Wagner,M – Laengl,Juergen, Oberschwaben ch, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 ba3)

    5.e5 Qa5

    6.Bb2 Qb6 7.ab4 Bb4 8.Bd4 Bc5 9.Bc5 Qc5 10.d4 Qc7 11.Bd3 a6 12.0-0 Nc6 13.Na3 Na5 14.Qe2 (14.Ng5 Nh6=) 14...Bd7 (14...b5 15.Qd2=) 15.Ng5 g6 16.f4 (better 16.Qf3!? Bc6 17.Rfb1=) 16...Ne7 17.Kh1 h6 18.Nf3 b5 19.Qe1 Qd8 20.g4 (20.Nb1 Nc4=+) 20...h5 21.Qh4 Ng8 (21...b4 22.Nb1 Nc4-/+) 22.Ng5 (better 22.g5!?=+) 22...Rh6-/+ 23.Rf2 (23.gh5 b4 24.Nb1 Rh5-/+) 23...b4-+ 24.Nb1 Nc4 25.Qg3 hg4 26.Nd2 Nd2 27.Rd2 Qb6 28.Rg1 (28.Be2 Ne7-+) 28...a5 (28...Qd4 29.Nf7 Rh5 30.Qg4+-) 29.Qg4 Ne7 30.Nf7 Kf7 31.Qg5 Rah8 32.Qf6 Ke8 33.Rg6 Rf8?? (better 33...R6h7 34.Rg5 Rf8 35.Bh7 Rf6 36.ef6 Qc7 37.fe7 Qf4-+ (worse 37...Ke7 38.Rg7 Kd6 39.Rd1-/+)) 34.Rh6-/+ Rf6 35.ef6 Nf5?? (better 35...Ng8 36.Bg6 Kf8=+) 36.Bf5+- ef5 (36...Ba4 37.Rh7 Qa6+-) 37.f7! (37.f7 Kf7 38.Rb6+-) 1–0. Christensen,Jan – Kjeldsen,Jens, Aarhus–D, 1988. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Bb2 Qb6 7.ab4 Bb4 8.Bd4 Bc5 9.Bc5 Qc5 10.d4 Qc7 11.Bd3 h6 12.0-0 Bd7 13.Na3 Ne7 14.Qd2 Bc6 15.c3 (15.Qc3 Qd8=) 15...Nd7 16.Qf4 a6 (16...0-0 17.Rfb1=+) 17.Qg4 (17.c4 dc4 18.Nc4 0-0=) 17...g6 (17...0-0 18.Qh4 Rfe8 19.Rfb1=+) 18.Qh4 Qd8 19.g4 (19.Rfb1!?=) 19...b5=+ 20.Nc2 Nc8 21.Qh3 Bb7 22.Nh4 Nf8 (22...Qc7 23.Ra3-/+) 23.f4 h5 (23...Nb6 24.Ne3-/+) 24.Nf3 Rh7 25.Ng5 (25.g5!?=+) 25...hg4-/+ 26.Qg4 Rh8 27.Ne3 Ne7 28.f5 (28.Qf3!?-/+) 28...ef5 29.Bf5 gf5 30.Nf5 Nf5 31.Qf5 Qd7 32.Nf7 Rg8 33.Kh1 Qf5 34.Rf5 Bc6 35.Nd6 Kd8 36.Raf1 (36.Rf7 Ne6-/+) 36...Kc7 37.Rf7 Kb6 38.Nf5 Ne6 39.Ne7 (39.Rf6 Rae8-/+) 39...Rgf8-+ 40.R7f6 Rf6 (40...Rf6 41.Rf6 Nd8-/+) 0–1. Alkaersig,Ole – Kjeldsen,Jens, Aarhus–B, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Bb2 Qb6 7.Bd4 Bc5 8.Bc5 Qc5 9.ab4 Qb4=.

    6.Bb2 Bd7 7.Bd3 Qb6 8.Bd4 (8.ab4 Bb4 9.Bd4 Bc5 10.Bc5 Qc5=+) 8...Bc5 9.Bc5 Qc5 10.ab4 Qb4 11.Nc3 Qe7 (11...Bc6 12.Qe2=) 12.Qb1 Bc6 13.Nb5 Bb5 14.Qb5 Qd7 15.0-0 Nc6 (15...Qb5 16.Bb5 Ke7 17.Rfb1=+) 16.Rfb1= Rb8 17.Qa4 Nge7 18.Qg4 g6 (18...Ng6 19.Qh3=+) 19.Qf4 0-0 20.g4 (20.Qh4 Ra8=) 20...Qc7 21.Ra4 (21.g5 Rfc8=+) 21...Nc8 (21...f6 22.ef6 Qf4 23.Rf4=) 22.Re1 (22.g5 Nb6 23.Raa1 Nd7-/+) 22...Nb6-/+ 23.Ra3 f6! 24.Qg3 (24.ef6 Qf4 Double attack (24...Qf4 Pinning; 24...Qf4 Deflection; 24...Qf4 Decoy)) 24...Qe7 25.h3?? (better 25.Ra2-/+) 25...Qa3-+ 26.ef6 Rf6 27.g5 Rf7 28.Re6 (28.Ne5 Ne5 29.Qe5 Re8-+) 28...Qf8 (better 28...Rbf8!? 29.Nh2 Qc1 30.Nf1-+) 29.Nh4 Re8 30.Ng6 (30.Re8 Qe8 31.Nf3 Nc4-+) 30...hg6 31.Rg6 Rg7 32.Rh6 (32.Rg7 Qg7 33.Kg2 Nc4-+) 32...Ne5 33.f4 (33.Kg2 Nd3 34.cd3 Re2-+) 33...Nd3 34.cd3 Qf5 (better 34...Qa3 35.Qf2-+) 35.Rf6 0–1. Kieffer,C (2160) – Wlogalski,O (2015), Open A Le Touquet FRA, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Bd3 Nc6 7.0-0 Be7 8.Bb2 Qb6 9.ab4 Nb4 10.Be2 Nh6 11.Bd4 Qc7 12.Na3 (12.Nc3 Bd7 13.Nb5 A) worse 13...Qc2 14.Qc2 Nc2 15.Nc7 Kd8 16.Na8 Na1 17.Ra1+- (worse 17.Ba1 Bc6-/+); B) 13...Bb5 14.Bb5 Nc6 15.Ba7 0-0 16.Bc6 bc6=) 12...0-0=+ 13.Be3 (13.c3 Nc6=+) 13...Nf5-/+ 14.Bf4 Nc6 (14...d4 15.g4 Nd5 16.Nb5-/+) 15.Bd3 Nb4 (15...Qd7 16.Nb5=+) 16.Be2-/+ Nc6 (16...d4 17.g4 Nd5 18.Nb5-/+) 17.d4 (17.Bd3!?=) 17...Bd7 18.Nb5 Qd8 19.g4 Nh4 20.Nh4 Bh4 21.Nd6 Be7 22.c3 b6 23.Bd3 Na5 (23...Bd6 24.ed6 Qf6 25.Bg3-/+) 24.Kh1 Bd6 25.ed6 Nc4 (25...Qc8-/+) 26.Qc2 (26.g5!?-/+) 26...Qh4 (26...Qf6 27.Bg3-+) 27.Rg1 g6 (27...Rfc8 28.Ra6-+) 28.Qc1 (28.Qe2 Rfc8-/+) 28...f6 (28...Qf2 29.Rf1 Qh4 30.Bh6-+) 29.Qf1 (29.f3 g5 30.Bg3 Qh3-/+) 29...Bc6 (29...g5!? 30.Bc1 Rfc8-/+ (worse 30...Nd6 31.Ba3=)) 30.f3 g5 31.Bg3 Qh6 32.Qe2 Rfe8 33.Rgf1 a5 (33...a6 34.f4 Bb5 35.fg5 Qg5 36.Bf4=+) 34.f4 (34.Bc4!? dc4 35.Qc4=) 34...Ra7 (worse 34...Nd6 35.fg5 Qf8 36.gf6+- (worse 36.Rf6 Qe7 37.Bd6 Qd6 38.Bh7 Kh8+-)) 35.fg5 fg5 36.Rf2 a4 37.Raf1 a3 38.Rf6 Qf6 39.Rf6 a2 40.Rf1 a1Q 41.Ra1 Ra1 42.Kg2 Ra7 43.h4 (43.Be5 Rf8+=) 43...gh4= 44.Bh4 (better 44.Be5!?=) 44...Nd6-/+ 45.Qe5 Ne4 (45...Nc4!? 46.Qg5 Rg7=+) 46.Be4= de4 47.Bf6 Bd5 48.Qg5 Kf8 49.Qh6 Kg8 50.c4 Bc4 51.Qg5 Kf8 52.Qh6 Kg8 53.Be5?? (better 53.Qg5 Kf8 54.Qh6 Kg8=) 53...Rf8?? (better 53...Rea8-+) 54.Qg5+- Kf7 55.Qg7 Ke8 56.Qa7 e3 (56...Bf1 57.Kg1 Rf7 58.Qb8 Kd7 59.Qd6 Ke8 60.Qe6 Re7 61.Qc6 Kf7 62.Kf1 e3+-) 57.Qb8 (57.Qb8 Ke7 58.Bd6 Kf6 59.Qf8 Kg6 60.Be5 Bd5 61.Kg3 h5 62.Qg7) 1–0. Gaehwiler,G (2295) – Voloshin,Pavel (2130), 15th Marienbad IM2, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.d4 ba3 7.Bd2 Qb6 8.Na3 Bd7 9.Rb1 Qc7 (9...Qc6 10.Rb3=) 10.Nb5 Bb5 11.Bb5 Nc6 12.c3 (12.0-0 a6 13.Bd3 Nge7=) 12...a6=+ 13.Qa4 Nge7 14.0-0 Rb8 (14...Ra7!? 15.Bd3 b5=+) 15.Bd3= Ng6 (15...Qd7!?=) 16.Ba6+= Be7 17.Bd3 0-0 18.Ra1 Rfc8 19.Rfb1 Qd8 20.Qd1 (20.Qb5 Rc7+=) 20...Na5 21.Qe2 (21.Rb5 Nc4+=) 21...Nc4= 22.Bc4 (22.Ra7 b5=) 22...Rc4 23.Rb5 Qc8 24.Rab1 h6 25.h3 Bd8 26.Nh2 b6 27.Qh5 Ra4 28.R5b2 (28.f4 Qd7=) 28...Qa6 29.Ng4 Ra2 30.Ra2 Qa2 31.Rd1 Rb7 32.f4 Qc2 33.Kh2 Kf8 (33...Ra7!?=+) 34.Ne3+= White intends f5 34...Qe4 (worse 34...Nf4 35.Qh6 Ng6 36.Nc2 gh6 37.Bh6 Kg8 38.Rb1+-) 35.g3 (better 35.f5!? Nf4 36.Qg4=) 35...Ra7=+ 36.f5 (36.Qe2 Ra2=+) 36...Bg5 37.fg6 (37.Ng2 Ra2 A) 38.fg6? Bd2 (38...Rd2?! 39.Rd2 Bd2 40.Qd1=) 39.Rf1 Bc3-+; B) 38.Re1 Qf5 39.Bg5 hg5 40.Re2 Re2 41.Qe2-/+) 37...Be3-+ 38.Be3 Qe3 39.Rf1?? (better 39.Rg1 Ra2 40.Rg2 Rg2 41.Kg2 Qd2 42.Kg1 Qc3 43.Qh4 Qe3 44.Kg2 Qe2 45.Kg1-+) 39...Qd2 (39...Ra2 40.Kh1 Qg3 41.Qe2 Re2 42.Rf7 Ke8 43.Rf8 Kf8 44.c4 Qe1) 40.Kg1 (40.Qe2 Qe2 41.Kg1 Ra2 42.Rf7 Ke8 43.Rf8 Kf8 44.c4 Qd1) 40...Qc3 (40...Ra2 41.Qe2 Qe2 42.Rf7 Ke8 43.Rf8 Kf8 44.c4 Qd1) 41.Qg4? (41.Qh4 Qc8=+) 41...b5?? (41...Ra1!? 42.Qh4 Rf1 43.Kf1-+) 42.Qf4 (better 42.Qe6 Qd4 43.Kh1 Qe4 44.Kg1 Qe3 45.Kh1 Qe4 46.Kg1 Qe3 47.Kh1 Qe4=) 42...b4?? (better 42...Qd3 43.gf7 Ra4-+) 43.Rc1+- (43.gf7? Ra3-+) 43...Qc4 44.Rc4 dc4 45.Qf1 Rc7 46.Qf3 c3 (46...Ra7+-) 47.Qa8 Ke7 48.Qb8 (better 48.Qa5 Rd7 49.Qc5 Ke8 50.Qc8 Rd8 51.gf7 Kf7 52.Qd8 Kg6+-) 48...Rc4 (48...Rd7 49.Qb4 Ke8 50.Qc3 fg6 51.Qc8 Ke7+-) 49.Qb7 Kd8 50.gf7 (50.gf7 Rc7 51.Qb8 Ke7 52.Qe8) 1–0. Karim,Firrat (2005) – Martorell,Joyce L, Novi Sad ol (Women), 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Nd4 Nc6-/+ 7.Nb3 Qb6 8.d4 ba3 9.c3 Bd7 (9...f6 10.Bf4-/+) 10.Na3 Na5 (better 10...f6=+) 11.Rb1? (better 11.Na5 Qa5 12.Nb5=) 11...Ba4-/+ 12.Bb5? (better 12.Na5 Bd1 13.Rb6 ab6 14.Bb5 Kd8 15.Nb7 Kc8 16.Kd1 Ba3 17.Ba3 Kb7 18.Bb2-+) 12...Bb5-+ 13.Na5 Qa5 (better 13...Ba3 14.Nb7 Bf8 15.Nd6 Bd6 16.ed6 Qc6-+) 14.Nb5 a6 15.Nd6 Bd6 16.ed6 Nf6 (16...Qc3!? 17.Bd2 Qd4 18.Rb7-+) 17.Rb7 Qc3 18.Bd2 (18.Qd2!? Qc6 19.Re7 Kf8 20.Ba3-/+) 18...Qd4-+ 19.d7 (better 19.0-0 0-0 20.Bg5 Qd1 21.Rd1-+) 19...Nd7 20.0-0 Rb8 21.Rb8 Nb8 22.Qb3 0-0 (22...0-0 23.Be3 Qg4-+) 0–1. Vermue,Albert (1875) – Duchene,R (2200), 14th HZ Open, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Nc6 7.0-0 Nge7 8.Bb2 ba3 9.Na3 Nf5 10.Nb5 Bd7 11.Nd6 0–1. Agnello,Francesco Claudio (1945) – Montilli,Vincenzo (2200), 6th Biella Open, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Nc6 7.0-0 Nge7 8.Bb2 ba3 9.Na3 Nf5 10.Nb5 Qd8 11.g4+- Nh6 12.Nfd4 (12.Ra4!?+-) 12...Bc5+= (worse 12...Ne5 13.Ne6 Be6 14.Be5+-) 13.Nb3 (13.Nc6 bc6 14.d4 Be7 15.Na7 Bd7=) 13...Be7= 14.d4 (14.Bd3 0-0=) 14...0-0=+ 15.f4 (15.Qd3 a5=+) 15...Kh8 (15...b6 16.Bc1=+) 16.Ba3 (16.c4 dc4 17.Bc4 a6=) 16...Ba3 (16...b6 17.c4 dc4 18.Be7 Ne7 19.Bc4=+) 17.Ra3 f6 (17...a5 18.c4=) 18.Nd6 (18.ef6 gf6 (18...Qf6? 19.g5 Qe7 20.gh6+-; worse 18...Rf6 19.g5 Rg6 20.h4+=) 19.h3 a6=+) 18...Nf7=+ 19.Nf7 Rf7 20.Nc5 (20.Bb5 Qb6 21.Bc6 Qc6-/+ (21...bc6?! 22.Nc5=)) 20...b6-/+ 21.Na4 (21.Na6 Bb7-/+) 21...Qf8 (21...fe5 22.de5 Bd7 23.Qd2-/+) 22.Rh3 (22.Raf3 f5 23.g5 Bd7-/+) 22...g6 (22...fe5 23.fe5 Rf1 24.Bf1-/+) 23.Nc3 (23.ef6!? Rf6 24.Qd2-/+) 23...fe5-/+ 24.fe5 Rf1 25.Bf1 Qf4 26.Nb5 Bd7 (26...Ba6 27.c3 Rf8-/+) 27.Qf3 (27.Kh1 Rf8 28.Be2 Qf2-+) 27...Qf3 (better 27...Rf8!? 28.Qf4 Rf4-+) 28.Rf3-/+ Kg8 29.Ra3 Rf8 (29...a5 30.c3-/+) 30.c3 a5 31.Nd6 Na7 (31...Ne7 32.Bd3-/+) 32.Be2 (32.Ra1 Nc8=+) 32...Kg7 (32...Nc8 33.Nb5-/+) 33.Kg2 (33.Rb3 Rb8-/+) 33...Nc8 34.Nb5 (34.g5 Rd8 35.Nb7 Re8-/+) 34...Bb5 (34...Ne7 35.Nd6-/+) 35.Bb5 Na7 36.Be2 (36.Bd3 Rf7-/+) 36...Kf7 (36...g5 37.Kg3-/+) 37.Kf2=+ Ke7 38.Ke3 Kd7 39.Bd3 (39.Rb3 Rb8=+) 39...Kc7 (39...Kc6 40.Ra1-/+) 40.h4 (40.c4 dc4 41.Bc4 Re8=+) 40...Nc6 41.Be2 (41.Ra1 Ne7-/+) 41...h6 (41...Kc8 42.Ra1-/+) 42.Bd3 (42.Ra1 Ne7=+) 42...Ne7 (42...g5 43.Ra1=+) 43.Ra1=+ Kc6 44.Rb1 (44.Bc2=+) 44...Kc7 (44...h5 45.gh5 gh5 46.Rg1=+) 45.Ra1 Rf7 (45...h5 46.gh5 gh5 47.Rg1=+) 46.Rg1 (46.Rc1 Kc6=+) 46...Kc6 47.Rh1 Kb7 (47...h5 48.gh5 gh5 49.Rg1-/+) 48.Ra1 Rf8 49.Ra2 (49.Rg1 Kb8=) 49...Rc8 50.Kd2 (50.Rc2 g5 51.hg5 hg5=+) 50...Ra8 (50...Re8 51.Ra1 Rf8 52.Ke3=+) 51.Bb5 (51.Ke3 Rf8=+) 51...Kc7 52.Ra1 Rf8 53.Ke3 h5 54.Rg1 hg4 55.Rg4 Rh8 56.Bd3 The isolani on g6 becomes a target 56...a4 57.Kd2 Rh6 (57...Rg8 58.Kc2=) 58.Kc2 (58.Bb5 Nf5 59.Ba4 Nh4=) 58...Nf5 Exerts pressure on the isolated pawn 59.Bf5?? (better 59.Kb2=+) 59...gf5-+ (59...ef5?! 60.Rg1-/+) 60.Rg7 (60.Rf4 Kc6-+) 60...Kc6 61.Kb2 Rh4 62.Rg6 Kd7 (62...Rh2!? 63.Ka3 Kb5 64.Re6-+) 63.Rg7 Ke8 64.Rb7 Rh2 (64...f4 65.Rb6 Kf7 66.Ka3-+) 65.Ka3 Rc2 66.Rb6 Rc3 67.Ka4 Kd7 68.Rb7 Rc7 69.Rb8 Ke7 (69...Rc4 70.Kb5 Rd4 71.Rb7 Ke8 72.Kc6-+) 70.Rh8 (70.Kb5!?-/+) 70...Rc4-+ 71.Kb5 Rd4 72.Rh7 Kf8 73.Rh6 (73.Kc6 f4 74.Rh3 Rb4-+) 73...Kf7 74.Rh7?? (better 74.Kc5 Ra4 75.Rh7 Kg6 76.Re7-+) 74...Kg6 75.Re7 f4 76.Kc5 (76.Re6 Kf5 77.Re8 Re4-+) 76...Rc4 77.Kd6 Kf5 78.Rf7 (78.Rh7 Ra4-+) 78...Ke4 79.Ke6 (79.Rb7 d4 80.Ke6 Rc5-+) 79...d4 80.Kf6 (80.Rh7 Rc6 81.Kd7 Ra6-+) 80...f3 (80...d3 81.Kg5 Ke3 82.Ra7-+) 81.Kg5 (81.e6 d3 82.e7 Rc6 83.Kg5 Re6 84.Rf4 Ke3-+) 81...Rc5 82.Kg4 Re5 83.Rf4 Kd3 84.Kf3 Kc3 85.Rf8 d3 86.Rc8 Kd2 87.Rd8 Kc2 88.Rc8 Kd1 89.Rd8 d2 90.Kf2 Re7 91.Rd6 Rc7 92.Ke3 Kc1 93.Kd4 0–1. Agnello,Francesco Claudio (1945) – Montilli,Vincenzo (2200), 6th Biella Open, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Bd7 7.0-0 Bb5 8.Bb5 Qb5= 9.ab4 Bb4 10.c3 Be7 11.Na3 Qd7 12.d4 h5 13.Qd3 Nh6 14.Nb5 (14.c4 Nc6 15.cd5 Qd5=) 14...Nc6 15.Bg5 Nf5 16.h3 (16.Be7 Qe7 17.Rfb1 Qd8+=) 16...h4 (16...Bg5 17.Ng5 Qd8 18.Rfb1+=) 17.Na3? (17.Be7 Qe7 18.Rfb1 Qd7=) 17...f6 (17...0-0 18.Be7 Qe7 19.Rfb1-/+) 18.Bf4 (18.ef6 gf6 19.Bf4 Ba3 20.Ra3 0-0-0+=) 18...fe5 19.Be5 0-0 20.Nc2 (20.Rfe1 a5-/+) 20...Bd6 (20...a5 21.Ra2-/+) 21.Rae1 (21.Bd6 Qd6 22.Ne3 Ne3 23.Qe3 a5+=) 21...a5 (21...Ne5 22.de5 Bc5 23.Rb1-/+) 22.Ne3? (22.Bd6!? Qd6 23.Ne3+=) 22...Ne5 (22...Be5!? 23.Nf5 Rf5 24.de5-+) 23.de5-/+ Be7 24.Nf5 Rf5 (24...ef5?! 25.Nd4 g6 26.Rb1=) 25.Re4 Qc7 (25...a4!?-/+) 26.Rg4 (26.Ra4 Rf3 27.Qf3 Qe5+=) 26...Rc8 (26...a4 27.c4 Ra5 28.Nd4-/+) 27.Nd4 Re5 (better is 27...Rf7 28.Qe2 Qc3 29.Ne6 Rc4+=) 28.Qg6+= Bf8 (28...Bc5 29.Rh4 Bd4 30.cd4+/-) 29.Nf3 (29.Rh4 Qd6 30.f4+-) 29...Qc3?? (29...Qd6 30.Rf4 Rc7 31.Rh4+=) 30.Rh4 (30.Ng5 Rg5 31.Qe6 Kh7 32.Rh4 Rh5 33.Rh5) 30...Re2?? (better is 30...Be7 31.Rg4 Re4 32.Re4 de4 33.Qe6 Kh8=) 31.Ng5 (31.Ng5 Qh3 32.Qf7) 1–0. Christensen,J (2200) – Rewitz,Poul (2200), Aarhus–C, 1985. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Bd7 7.0-0 Bb5 8.Bb5 Qb5 9.ab4 Bb4 10.c3 Be7 11.d4 Nh6 (11...Qc6!?=+) 12.Bh6= gh6 13.Qd2 0-0 14.Qh6 (14.Na3 Qc6=) 14...Qd3 15.Na3 Qg6 16.Qh3 Nc6 17.Nd2 Rfc8 18.f4 Ba3 (18...f5 19.Rf3 Kh8 20.Rg3=) 19.Ra3+= Ne7 20.c4 (20.Rfa1 Nc6+=) 20...Nf5 (20...Qc2 21.Qg3 Kf8 22.Nf3 dc4 23.Rfa1-/+) 21.c5 (21.cd5 ed5 22.Nf3 Rc2+=) 21...h5 (21...Nd4 22.Kh1 Qc2 23.Nb3=+) 22.Nf3 (22.Qd3!?+=) 22...Qg4= 23.Rfa1 a6 24.Rb3 Rc7 25.Rb4 Qh3 26.gh3 Ne3 27.Kf2 Nc4 28.Rg1 Kf8 (28...Kh7 29.Rgb1 Ra7 30.Ke2=) 29.Rg5 a5 30.Ra4 Nb2 (30...b5!? 31.cb6 Nb6=) 31.Rh5 Ke7 32.Ra2 Nc4 33.Ng5 b5 (33...Rc6!?+=) 34.cb6! Nb6 (34...Rb7!? 35.Nf7! Rf8+-) 35.Rh7+- Rca7? (35...Rf8 36.Ra5 Rb7+-) 36.Rf7 Ke8 37.Ra7 Ra7 38.Ne6 a4 39.f5 a3 40.Ke3 Nc4 41.Kd3 Rh7 (41...Rb7 42.Kc3 Ne3 43.Ra3 Nf5 44.Ra8 Ke7 45.Nf4+-) 42.Nf4 1–0. Schmitz,Andreas (2270) – Moos,Gerd (1840), Porz op29, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Bd7 7.0-0 Nc6 8.Bb2 Qb6 9.ab4 Bb4 10.c3 (10.Na3 Nge7=) 10...Be7=+ 11.Ba3 Rc8 (11...f6 12.d4=+) 12.d4= Na5 (12...Nh6 13.Nbd2=) 13.Bd3 (13.Qd3 Ba3 14.Ra3 Ne7=+) 13...h6 (13...Bb5=) 14.Nfd2 (14.Qc2 Ba3 15.Ra3 Bb5=+) 14...Bb5 (14...Ba3 15.Ra3 Ne7 16.Nf3-/+) 15.Bb5=+ Qb5 16.Qg4 (16.f4 g6=+) 16...g6 (16...Kf8 17.Nf3=+) 17.Bd6 (17.Qf3 h5=) 17...Bd6 (17...b6!?=+) 18.ed6= b6 19.Qf4 Qd7 20.c4 Nc4 21.Nc4 dc4 22.d5 ed5? (better 22...Kf8 23.de6 Qe6=) 23.Qe5+- Kf8 24.Qh8 Qd6 (24...a5+-) 25.Ra7 d4 (25...Qf6 26.Qh7 Qg7 27.Qg7 Kg7 28.Nc3+-) 26.Rd1 (26.Nd2 Qf6 27.Qf6 Nf6+-) 26...Rd8 (26...Qf6 27.Qh7 d3 28.Nc3+-) 27.h4 (27.Na3!? Qe6 28.h4 Qd5+-) 27...Qb8 (27...b5 28.Re1 c3 29.Nc3 dc3 30.Qc3+-) 28.Ra3 (28.Ra2 Qd6+-) 28...Qd6? (better 28...c3 29.Nc3! dc3 30.Rd8 Qd8 31.Rc3 Qd1 32.Kh2 Qd6 33.g3 Qf6 34.Rc8 Ke7 35.Rc7 Kf8 36.Qf6 Nf6+-) 29.Rf3 f6 (29...d3 30.Nd2 Qd5 31.Re1+-) 30.Qh7 (30.Nd2 f5 31.Nc4 Qf6 32.Qf6 Nf6+-) 30...b5 (30...g5+-) 31.Qg6 Qe5 (31...Qd7 32.Rg3 Qf7+-) 32.Rg3 Ne7 (32...Ne7 33.Qh7 Rd5+-) 0–1. Kadas,Gabor (2225) – Toth,Laszlo (2165), HUN–ChT3, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Ne7 7.0-0 Nbc6 8.Bb2 Ng6 9.Re1 (9.ab4 Qb4 10.Nc3 Qb2=+) 9...Bd7 (9...Qb6 10.d4=+) 10.d4 (10.ab4 Qb4 11.Ba3 Qg4=+) 10...Rc8 (10...ba3 11.Na3 Qb6 12.Rb1=+) 11.ab4 Qb4 12.Ba3 Qb6 (12...Qa5 13.Bb2 Qc7 14.Ba3=+) 13.Bf8= Nf8 14.Na3 Na5 15.Qd2 a6 16.h4 (16.Bd3 Ng6=) 16...Nc4 (16...Qd8 17.Reb1=) 17.Nc4 dc4 18.Qg5 Rg8 19.Nd2 (19.Reb1 Bb5+=) 19...Qd4= 20.Rad1 h6 (20...c3!? 21.Nc4 Rc4 22.Rd4 Rd4+=) 21.Qg3+= Ng6 22.Nc4 Rc4 23.Rd4 Rd4 24.Qc3 Re4 25.Qc7 Ne7? (25...Nf4 26.Qb8 Ke7 27.Qg8 Ne2 28.Re2 Re2 29.Qg7 Rc2 30.Qh6 Bc6+-) 26.Rd1 Nd5 27.Qb8 Ke7 28.Qd6 (28.Qg8?! Re2 29.c4 Nc3 30.Rd7 Kd7 31.Qf7 Kd8 32.Qb7 a5+-) 28...Kd8 (28...Ke8 29.Bf3 Rf4 30.Bd5 ed5 31.Rd5+-) 29.c4 (29.c4 Re2 30.cd5 ed5 31.Qd5+-) 1–0. Los,Sander (2355) – Van der Linde,Meindert (2255), NED Ch sf A Enschede NED, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Be2 Nh6 7.0-0 Be7 8.d4 0-0 9.Bh6 gh6 10.Qc1 Kg7 11.Qf4 ba3 12.Na3 Nc6 (12...Ba3 13.Qf6 Kg8 14.Qh6+-) 13.Nc4 Qd8 14.Ne3 f5 15.h4 Na5 16.c4 dc4 17.d5 (better 17.Nc4!? Nc4 18.Bc4+=) 17...ed5=+ 18.Rfd1 Nb3 19.Rab1 Be6 (19...b5 20.Rd5 Qe8 21.Rb5 Qb5 22.Bc4=+) 20.Nd5 (better 20.Bc4 Nc5 21.Bd5 Bd5 22.Rd5+/-) 20...b5=+ (worse 20...Bd5 21.Bc4 Nc5 22.Bd5+/-) 21.Nf6 Qc8 22.Nh5 Kh8 23.Qh6 Rg8 24.Ng5?? (better 24.Nf4 Bf7 25.Ng5 Bg5 26.hg5=) 24...Bg5-+ 25.hg5 Rg6 26.Qg6 hg6 27.Nf4 c3 28.Rd6 (28.Bd3-+) 28...c2 29.Rf1 c1Q 30.Ne6 Nd2 (30...Nd2 31.Rd8 Qd8 32.Rc1 Qb6-+) 0-1. Lagarde,Max (2655) - Firouzja,Alireza (2725), C'Chartres Blitz M Final, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    6.Bb2 Nc6

    7.ab4 Qb4 8.Qc1 Bc5 9.Be2 Qb6 10.0-0 Nh6 (10...Bd7 11.Nc3=+) 11.c3 (11.Nc3 Ng4 12.d4 Bf8= (12...Bd4? 13.Nd4 Nd4 14.Bg4+-)) 11...d4 (11...Na5 12.Qc2=+) 12.Ba3= dc3 (12...Nf5 13.Bd3=+) 13.Nc3 Ba3 14.Qa3 Nf5 15.Rfb1 Qd8 16.Nb5 f6 (16...a6 17.g4 Rb8 18.gf5 ab5 19.Bb5+=) 17.ef6+= gf6 18.Bd3 Nce7 19.Rc1 Bd7? (better 19...Kf7 20.Bf5 Nf5 21.Rc7 Ne7+-) 20.Nc7+- Kf7 21.Na8 Qa8 22.Qa7 (better 22.Rc7!? Rd8 23.Be4 a5+-) 22...Qa7 23.Ra7 Bc6? (better 23...Nd6!?+-) 24.Bf5 ef5 25.Nd4 Rc8 (25...Be4 26.f3 Bd5 27.Ra5+-) 26.Nc6 Rc6 (26...bc6 27.d4 Rd8 28.f3+-) 27.Rc6 (better 27.Rb1!? b6+-) 27...bc6 28.Kf1 Ke6 29.Ke2 h5 30.Ra4 (30.d4 Nd5+-) 30...Nd5 (30...Ng6 31.d4+-) 31.g3 (31.Rh4 Kf7+-) 31...Kf7 (31...f4 32.Re4 Kd6 33.Kf3 fg3 34.fg3+-) 32.Rc4 Ne7 33.Kd3 Kg6 (33...Ke6 34.Rh4+-) 34.Kd4 Kf7 (34...f4 35.Kc5 fg3 36.hg3+-) 35.Kc5 Ng6 (35...Ke6 36.Rh4+-) 36.Rd4 (36.f4!? h4+-) 36...Ne5 37.f4 Nf3 (37...Ng4 38.h4+-) 38.Rd7 Ke6 (38...Ke8 39.Kc6 Nh2+-) 39.Kc6 1–0. Iermito,Sebastian – Blit,Jacques, Magistralito Najdorf U14, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    7.ab4 Qb4-/+ 8.Qc1 Nge7 9.c3? (9.Nc3 Ng6=+) 9...Qf4 (better 9...Qe4!? 10.Be2 Ne5 11.Ne5 Qe5-+) 10.d4-/+ Qc1 11.Bc1 Bd7 12.Bd3 Rc8 13.0-0 Ng6 14.Ba3 (14.Re1 Be7=+) 14...Ba3 15.Na3 Nf4 16.Rfd1 Nd3 17.Rd3 Na5 18.Rb1 a6 19.Nd2 Ke7 20.Nb3 (20.Rg3 Rhg8-/+) 20...Nb3 21.Rb3 Rc7 22.Rb6 Rhc8 23.Nb1 Bc6 24.Rg3 g6 25.Kf1 Rb8 26.Ke1 Ba4 27.Kd2 Rc6 28.Rb4 b5 29.Rb2 f6 30.Rh3 (30.ef6 Kf6 31.Rf3 Ke7-/+) 30...h5 (30...fe5 31.de5 h5 32.f4-/+) 31.ef6 Kf6 32.Rf3 Kg7 33.Kd3 (33.h4 Re8-/+) 33...Rf8 (33...a5 34.Ra2-+) 34.Rf8 Kf8 35.Nd2 Bd1 36.Nb3 (36.Ra2!?-/+) 36...Bb3 37.Rb3 Ke7 38.Kc2 (38.h4 Kd6-/+) 38...Kd6 (38...g5 39.Kd3-+) 39.Kb2 (39.f4 Rc4-/+) 39...e5 40.de5 Ke5 41.Rb4 (41.Ra3 g5-+) 41...Rc4 42.Kc2?? (42.Rb3-+) 42...Rb4 43.cb4 Kd4 44.Kb3 (44.h3 Kc4 45.g4 hg4 46.hg4 Kb4-+) 44...g5 (better 44...Kd3 45.Kb2-+) 45.h4 g4 46.f4 (46.Kc2-+) 46...gf3! 47.gf3 Ke3 48.Kc3 (48.Kc2 d4 49.Kd1 d3-+) 48...d4 49.Kc2 d3 50.Kd1 Kf3 51.Kd2 Ke4 52.Kd1 Kd4 53.Kd2 Kc4 54.Ke3 Kc3 (54...Kc3 55.Kf3 Kb4-+) 0–1. Britos Machado,Kevin – Dotta,Gian Franco (1915), World Youth Open U18, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    7.c3 b3 (7...bc3!? 8.Bc3 Qb6=+) 8.Qb3= Qc7 9.d4 f6 10.ef6 Nf6 11.Bb5 Bd6 12.0-0 (12.c4 0-0 13.c5 Bf4=) 12...0-0=+ 13.Nbd2 Ne4 14.g3 (14.Ne4 de4 15.Bc6 bc6=+ (15...ef3?! 16.Bf3 Bh2 17.Kh1=)) 14...Na5 15.Qc2 Nd2 16.Nd2 e5 17.de5 Bc5 18.Nb3 (better 18.Qd3!? Qf7 19.c4 Bf2 20.Kg2 dc4 21.Bc4 Nc4 22.Qc4=+) 18...Nb3-/+ 19.Qb3 Bh3 (19...Qf7!? 20.Qd1 Bh3-/+) 20.Qd5=+ Kh8 21.Qe4 Qb6 22.Bd3 (22.Qe2 Rf2! 23.Rf2 Rf8-+) 22...Bf5 (better 22...Bf2 23.Kh1 Bf5 24.Rab1-+) 23.Qe2 Bd3 24.Qd3 Qb2 (24...Bf2?! 25.Kg2 Qc6 26.Kh3-/+) 25.Rab1 Qa2 (25...Bf2?! 26.Kg2 Qa2 27.Ra1-/+) 26.Ra1 Qe6 (26...Bf2?! 27.Kg2 Qf7 28.Rad1-/+) 27.Qe4 Rad8 28.Kh1 (28.Rae1 Rd2 29.Re2 Re2 30.Qe2 Rf5-+) 28...Bf2 29.Rad1 Rd1 30.Rd1 Bc5 31.a4 b6 (31...Qb3 32.Rb1 Qc3 33.Re1-+) 32.c4 h6 33.Qd5 (33.Re1 Qd7-+) 33...Qh3 34.Qg2 Qh5 35.Re1 (35.Rd5-+) 35...Rf2 36.g4 Qh4 (36...Qh4 37.Re3 Rg2 38.Kg2 Be3 39.Kf3 Bg1 40.g5 Qg5 41.Ke4 Qg4 42.Kd5 Qd7 43.Ke4 g6 44.Kf3 Qd3 45.Kg2 Qe3 46.a5 Qf2 47.Kh3 Qf3 48.Kh4 Bf2) 0–1. Fiori,H (2155) – Faraoni,E (2060), World Amateur U2300, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    7.Bd3 Be7 8.0-0 Bd7 9.Qe2 Nh6 10.ab4 Qb4 11.Nc3 0-0 (worse 11...Qb2 12.Rfb1 Qa1 13.Ra1+=) 12.Bb5 Qg4 13.h3 Qh5 14.Ba3 Ba3 15.Ra3 a6 16.Bc6 Bc6 (worse 16...bc6 17.Ra6 Qg6 18.Rc1=) 17.Rb1 Rac8 (17...b5 18.Nd4 Qe2 19.Nce2=+) 18.Nd4=+ Qg6 19.Qf3 (19.Ra2 Nf5 20.Nc6 bc6=+) 19...Rc7 (19...Nf5 20.Nf5 Qf5 21.Qf5 ef5 22.d4=+) 20.Rb6 (20.Qf4 Nf5 21.Nc6 Rc6 22.Rb7 Rc4-/+) 20...Qg5 (20...Nf5 21.Nf5 Qf5 22.Qf5 ef5 23.d4=+) 21.Qe3= Qe7 22.Nce2 Rfc8 (22...Qc5 23.Rbb3=) 23.Ra2 Be8 24.c3 Ra8 25.g4 Kh8 26.Kg2 (26.f4 Qc5 27.Nc2 Qf8=+) 26...a5 27.f4 Qc5 28.Rb1 Bd7 29.Ng3 White prepares f5 29...a4 30.f5 Ng8 31.h4 (31.Nh5 h6=+) 31...a3 (31...Ne7 32.f6 gf6 33.ef6=+) 32.Rb3 Ra4 33.Kh3 (33.g5 ef5 34.Ndf5 Qc4=+) 33...Qe7 (33...ef5 34.Ngf5 Bf5 35.gf5-/+) 34.Rb6 (34.fe6 Be6 35.Ngf5 Qf8=+) 34...Ra6 (34...ef5 35.Ngf5 Qc5 36.Rb3-/+) 35.Rb1 (35.Ra6 ba6 36.f6 gf6=+) 35...b5 36.fe6 fe6 37.Rb3 Ra4 38.Nge2 Nh6 39.Nf4 Qf8 40.Qf3 (40.Nde6?? Be6 41.d4 Bg4 42.Kg2 Rf7-+) 40...Rc8 41.Kg3 Qe7 42.Nd3 (42.g5 Nf5 43.Nf5 ef5=) 42...Rf8 43.Qe2 Be8 (43...Rfa8 44.Nb4-/+) 44.Rb1 (44.Nb4 Nf7=+) 44...Bg6 (44...g5 45.h5-/+) 45.Rf1 (45.Rb5!? Bd3 46.Qd3-/+) 45...Rf1-+ 46.Qf1 Bd3 (46...Rc4 47.Nf4 b4 48.Ng6 hg6 49.Qf3-+) 47.Qd3-/+ Rc4 48.g5 Rd4 (48...Nf7 49.Qe3-/+) 49.cd4 Nf5 50.Kh3 b4 51.Rc2 h6 52.Qf3 Qf7 (52...Qe8 53.gh6 gh6 54.Rc1-/+) 53.Rc8 Kh7 54.Rb8 (54.Kh2 Qa7 55.Qg4 g6 56.gh6 Qe7-/+ (56...Qd4?! 57.Rc7 Kh8 58.Rc8 Kh7 59.Rc7 Kh8 60.Rc8 Kh7=; 56...Nd4 57.h5 g5 58.Rf8 Kh6 59.Rf6 Kh7 60.Qg5=+)) 54...a2 (54...Qa7 55.Re8 Qa6 (55...Nd4?? 56.Qh5 Qf7 57.Qf7 hg5 58.Qh5) 56.g6 Kg6-+) 55.Ra8=+ b3 56.Qb3 Qh5 57.g6 Kg6 58.Ra2 Qh4 59.Kg2 Qe4 (59...Nd4 60.Qd3 Nf5 61.Ra6 Qg4 62.Kh1-+) 60.Kh2 Qe2 (60...Qd4 61.Qf3-+) 61.Kg1 Qe1 62.Kg2?? (better 62.Kh2 Nd4 63.Qg3 Qg3 64.Kg3-+) 62...Nh4 63.Kh2 (63.Kh3 Kh5 64.Ra1 Qa1-+) 63...Qf2 64.Kh3 Nf3 (64...Nf3 65.Qf3 Qf3 66.Kh2 Qf2 67.Kh1 Kh5-+) 0–1. Dmitriev,J – Vakhidov,Tahir (2320), URS Army–ch Simferopol, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    7.Be2 Qb6 8.0-0 Nh6 9.ab4 Bb4 10.d4 Bd7 11.c3 Be7 12.Ba3 0-0 13.Bd3 Rac8 (13...Rfc8 14.Qc2=+) 14.Re1 (14.Qc2 Kh8=) 14...f5 (14...Nf5 15.Be7 Nce7 16.Ng5=+) 15.Nbd2 Nf7 16.Be7 Ne7 17.c4 dc4 (17...Ra8 18.c5 Qc7 19.Qe2=) 18.Nc4+= Qc7 19.Ra7 Bc6 20.Ncd2 Bd5 21.Qa1 g5 22.h3 h5 23.Rb1 (23.Bb5 g4 24.hg4 hg4=) 23...Qc3 24.Ra3 Qa1 25.Rba1 Nc6 26.Ra4 (26.Bb5 g4 27.Bc6 Rc6=+) 26...Bf3=+ 27.Nf3 (27.gf3? Rfd8 28.Nb3 Nce5-+) 27...g4 28.Nh4 Rfd8 Attacks the backward pawn on d4 29.d5? (29.hg4 A) worse 29...Nd4 30.gf5 (worse 30.gh5 Nb3 31.Ng6 Rc3-/+) 30...Nb3 31.fe6 Ne5 32.e7 Na1 33.ed8R (worse 33.ed8B Nd3 34.Ra1 Rd8=) 33...Rd8 34.Bf5 (34.Ra1?! Rd3 35.Ra5 Rd1 36.Kh2 Ng4 37.Kg3 Nf6=) 34...Rd1 35.Kh2+=; B) worse 29...hg4 30.Bf5 ef5 31.Nf5=+; C) 29...fg4 30.f4 Rd4 31.Rd4 Nd4=+) 29...Rd5-/+ (29...Nce5?! 30.de6 Nd3 31.Nf5=+) 30.Bc4 Re5 31.Ng6 Re4 32.f3 gf3 33.gf3 Rd4 (33...Re3 34.Kf2 Rf3 35.Kf3 Nce5 36.Ke2 Rc4 37.Ne5 Ra4 38.Ra4 Ne5 39.Rb4-/+) 34.Be6=+ Rcd8 35.Bf5 Rd2 36.R4a2 Ng5 37.Rd2 (37.f4 Nf3 38.Kf1 Kf7 39.Rd2 Nd2 40.Kf2 Kf6=+) 37...Rd2 (37...Nf3 38.Kf2 Nd2 39.Nf4=+) 38.Kf1 (38.f4 Nf3 39.Kf1 Rb2=+) 38...Nd4 (38...Nf3 39.Rb1-/+) 39.f4=+ Ngf3 (39...Nf5 40.fg5 Rd3 41.Rb1=) 40.Be4= Rb2 41.Bf3 Nf3 42.Ra5 Kg7 43.Ne5 Nd2 44.Ke1 b5 (44...Ne4 45.Ra7=) 45.Ra6 Ne4 46.h4 Rf2 (46...Rh2 47.Nf3 Rg2 48.Ng5 Ng5 49.hg5=+) 47.Nd3 (47.Rg6 Kh7 48.Rg5 Rf4 49.Rh5 Kg7=) 47...Rd2 48.Re6 Rd3 49.Re4 Kg6 ½–½. Moreira,Jose (1845) – Gibson,Tim (1870), FICGS, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5)

    7.Be2 Bd7 8.ab4 Qb4 9.Ba3 Qf4 10.Bf8 Kf8 11.d4 Nge7 12.c3 f6 13.g3 Qh6 14.Na3 Kf7 (14...fe5 15.Ne5 Ne5 16.de5-/+) 15.Nb5= Rhf8 16.Nd6 Kg8 17.Nb7 fe5 18.de5 Ng6 19.c4 Nge5 20.Nc5 (better 20.Ne5!? Ne5 21.cd5=+) 20...Nf3-/+ 21.Bf3 Qf6 22.0-0 Qf3 23.Nd7 Rf5 (23...dc4 24.Nf8 Rf8 25.Qf3 Rf3 26.Rfc1+-) 24.Ra6 Nb4 25.Ra4 Nd3 (25...Qd1 26.Rd1 a5 27.f4-/+) 26.Qf3=+ Rf3 27.cd5 ed5 28.Rd4 Re8 29.Kg2 Rf7 30.Rd5 Ree7 31.Rb1 (31.Rd3!? Rd7 32.Rd7 Rd7 33.Ra1=) 31...Rf2-/+ 32.Kg1 Rb2?? (better 32...Rd2 33.Nc5 Ne5 34.Rd2 Nf3 35.Kf2 Nd2-/+) 33.Rf1+= Re1? (33...h5 34.Rd3 Ree2 35.Rf8 Kh7=) 34.Rd3+- Rf1 35.Kf1 Rh2 36.Ra3 h5 37.Ra7 (37.Kg1 Rb2 38.Ra7 Kf7+-) 37...Rd2 (37...h4 38.Ra8 Kh7 39.g4+-) 38.Ne5 Kh7 39.Nf3 Rb2 40.Ra5 Kh6 (40...g6 41.Ne5+-) 41.Ra6 g6 42.Nh4 Rb1 43.Kg2 Rb5 44.Rg6 (44.Ng6 Kg7+-) 44...Kh7 45.Ra6 1–0. Christensen,Bo (2275) – Andersen,L Den (2110), Politiken Cup, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5 6.Bb2 Nc6)

    7.Be2 Bd7 8.ab4 Qb4 9.Ba3 Qf4 10.g3 Qf5=+ 11.Bf8 Kf8 12.d4 f6 13.ef6 Nf6 14.Bd3 Qh3 15.Nbd2 e5 16.Ne5 (16.de5 Re8 17.Be2 Ne5 18.Ne5 Re5 19.Ra7 Qg2-+) 16...Nd4=+ 17.c3 Nc6 18.Nd7 Nd7 19.Qf3 Nf6 20.Bf5 Re8 21.Kd1 Qh6 22.Bc2 (22.h3 Kf7-/+) 22...Qg5 (22...Kf7 23.Bb3 Re5 24.c4-/+) 23.Ba4 Re7 24.Bc6 bc6 25.Re1 Rb7 (25...Rf7 26.Ra4=+) 26.h4 (26.Re6 Rb2 27.Qe2 d4 28.cd4 Qd5+=) 26...Qg6 (26...Qg4!?=+) 27.Re6= Kf7 28.Rc6 Rhb8 (28...Rd8 29.c4 Qe4 30.Qf6 gf6 31.Ne4 de4 32.Ke2=) 29.Qf4 (29.h5 Qg5 30.Rca6 Rb2 31.Ra7 Kg8=+) 29...Kg8 30.Rc7 Rb2 (better 30...Rc7!? 31.Qc7 Rf8=) 31.Raa7+- Qc2 32.Ke2 Re8 (32...Kh8 33.Rg7 Qc3 34.Rgc7 Re8 35.Kf1 Qd3 36.Kg2+-) 33.Kf1+- Kh8? (better 33...Qd3!? 34.Kg2 Qg6+-) 34.Rg7 Qd2?? (34...Rb6+-) 35.Qf6 Re1 36.Kg2 Qf2 1–0. Gasic,Bozidar (2390) – De Veauce,Louis (2200), Birmingham International, 1974. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5 6.Bb2 Nc6)

    7.Be2 Nh6 8.0-0 Bd7 9.d4 Qb6 10.ab4 Bb4 11.c3 Be7 12.Bc1 Nf5 13.Bd3 g6 (13...0-0 14.g4 Nh6 15.Ng5=) 14.g4 (14.Ba3 0-0=) 14...Nh4 15.Nh4 Bh4 16.g5 (16.Bh6 Be7=+) 16...Nd4 (better 16...h6 17.gh6 Be7=+) 17.Qg4? (17.cd4 Qd4 18.Ra2 A) 18...Qe5? 19.Qg4 Bg5 20.Bg5+- (worse 20.Qg5 Qg5 21.Bg5 a6+-); B) 18...h5+=) 17...Nb3 (better 17...Bf2 18.Rf2 Nb3-+) 18.Be3 Qc7 (18...d4 19.Bd4 Qd8 20.Qh4 Na1 21.Nd2+-) 19.Ra3+= Bf2 (19...Bg5!? 20.Qg5 Nc5+=) 20.Rf2+- (worse 20.Bf2 Nc5 21.Be2 h6+=) 20...Nc5 21.Qf4 0-0 22.Bc5 (22.Bf1 Ne4 23.Rfa2 a6+-) 22...Qc5 23.Qd4 Rfc8 24.Qc5 (24.Rb2 Qc7+-) 24...Rc5+= 25.Rb2 Rc7 26.Kf2 Kg7 27.Kg3 h5 (27...h6 28.h4+=) 28.Kf4 Kf8 29.Ke3 Ke7 30.Kd4 Be8 31.Nd2 Bd7 32.Rb4 (32.c4 Bc6+-) 32...Be8 33.Rb2 Bd7 34.Rba2 (34.c4 Bc6+-) 34...b6 35.Rb2 Be8? (better 35...Bc6!?+-) 36.Rb6!+- Rac8 (36...ab6 37.Ra6 Double attack (37.Ra8 Pinning; 37.Ra8 Deflection; 37.Ra6 Decoy)) 37.Rba6 Ra8 38.Nb3 Bd7 39.Nc5 Bc8 40.R6a4 Kd8 (40...Bd7 41.Na6 Rcc8 42.Ra5+-) 41.Ra5 Ke7 (41...Bd7 42.c4+-) 42.Bb5 (42.c4 Bd7+-) 42...Kd8 43.c4 dc4 44.Bc4 (44.Kc4?! Bb7+-) 44...Ke7 45.Ne4 Bd7 46.Nd6 Bc6 47.Ra7!! Raa7 (47...Raa7 48.Nb5 Double attack (48.Nb5 Decoy); 47...Rca7 48.Ra7 Skewer) 48.Ra7 Ra7 49.Nc8 Kd8 50.Na7 Bf3 (50...Ba4 51.Kc5 Bd7 52.Bb5+-) 51.Nb5 Ke7 52.Nd6 Bc6 53.Kc5 Bf3 (53...Ba4 54.Bd3+-) 54.Bb5 1–0. Ivarsson,Torbjorn (2185) – Wiklund,Johan (1850), Deltalift Open, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5 6.Bb2 Nc6)

    7.Be2 Nh6 8.0-0 Be7 9.d4 Bd7 (9...Qc7 10.ab4 Nb4 11.c3=+) 10.h3 (10.ab4 Qb4 11.Ba3 Qa5=) 10...a6 (10...Qc7 11.ab4 Nb4 12.c3=+) 11.ab4 Qb4 12.Ba3 Qb6 13.Be7 Ne7 14.Qd2 0-0 15.Ra3 Rac8 16.Rb3 Qc7 17.Qb4 Bc6 (17...Qc2? A) 18.Qe7 A1) 18...Qe2? 19.Qd7 Nf5 20.Re1+- (20.Qb7?! Rc2 21.Ne1 Rc1+-); A2) 18...Qb3 19.Qd7 Qb4-+; B) 18.Bd3 a5 19.Qa3+-) 18.Bd3 Ng6 19.g3 (19.Bg6 fg6 20.Ng5 a5=+) 19...f6 (19...Nf5 20.Nbd2=+) 20.Qd2 (20.Bg6 hg6 21.Re1 Qd7=+) 20...Nf7 (20...Nf5 21.Bf5 ef5 22.Re1-/+) 21.Re1 Bd7 (21...f5 22.Qe3=+) 22.h4 (22.ef6 gf6 23.Kg2 b5=+) 22...fe5 23.Bg6 hg6 24.Rc3 Qb6 25.Rb3 Qc6 26.Rc3 Qa4 27.Ne5 Ne5 28.Re5 Rc4 29.Rc4 Qc4 30.Rg5 (better 30.Na3!? Qc7 31.f4=+) 30...Bb5-+ 31.Qd1 Rf6 (better 31...Ba4!? 32.Qe1 Qd4-+ (32...Bc2?! 33.Na3 Qd3 34.Nc2 Qc2 35.Qe6 Kh7 36.f4=+)) 32.Na3 Qe2 Attacking the backward pawn on f2 33.Qe2 Be2 34.Re5 Bf3 35.Re3 b5 36.Nb1 (36.c3 Kf8=+) 36...Be4-/+ 37.Rc3 b4 38.Rc5 (38.Rc8 Rf8 39.Rc6 a5=+) 38...b3! 39.Nd2 (39.cb3 Bb1 Pinning (39...Bb1 Deflection)) 39...b2 40.f4 Rf8 41.Kf2 Rb8 42.Nb1 (42.Rc6 Kf7-+) 42…Rb3! 0–1. Hoiberg,Nina (2225) – Nielsen,J, Aarhus int, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5 6.Bb2 Nc6)

    7.Be2 Nh6 8.ab4 Qb4 9.Ba3 Qf4 10.Bf8 Rf8 11.g3 Qf5 12.Nc3 (12.d4 f6 13.Bd3 Qh3=+) 12...Ne5-/+ 13.Nd4 Qf6 14.Ncb5 Qe7 15.Na7 f6 16.f4 Nc6 (16...Ng6!?=+) 17.Nac6= Ra1 18.Qa1 bc6 19.Nc6 Qc5 20.Qa5 Qa5 (20...Qc6?? 21.Bb5 Qb5 22.Qb5 Kf7 23.d3+-; 20...Qc2?? 21.Qd8 Kf7 22.Qc7 Bd7 23.Nd8 Rd8 24.Qc2+- (24.Qd8?! Qb1 25.Kf2 Qh1 26.Qd7 Kf8 27.Qd6 Kf7 28.Qd7 Kf8 29.Qd6 Kf7 30.Qd7=)) 21.Na5 Ke7 22.Nc6 (22.d4 Bd7=) 22...Kd6=+ 23.Nb4 Nf5 24.Kf2 Bb7 25.Bd3 d4 (25...Ne7 26.Ra1= (worse 26.Bh7 f5-/+)) 26.Rb1 Ra8 ½–½. nii_sama (2495) – juliangon (2650), ChessWorld.net, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Qa5 6.Bb2 Nc6)

    5.e5 b3

    6.cb3 a5 7.d4 Qb6 (7...Nc6 8.Nc3+-) 8.Bd3 Bd7 9.Nc3 Na6 (9...Nc6 10.Be3+-) 10.0-0 Ne7 11.Na4 (11.Be3 Rc8 12.Na4 Qd8+-) 11...Qa7+- 12.Be3 Nc8? (better 12...Nf5+-) 13.Ng5+- Be7 14.Qh5 g6 15.Qf3 (better 15.Qh6 Bf8 16.Qh3+-) 15...Bg5?? (better 15...0-0 16.Nc3 Qb6+-) 16.Bg5 f5 (16...0-0 17.Bh6 Nc7 18.Nc5+-) 17.ef6 Kf7 (17...0-0 18.Qf4+-) 18.Rac1 (18.Qf4 b5 19.Bh4 Nb6+-) 18...Nd6 (18...Qd4 19.Rfe1 Rf8 20.Ba6 Ra6 21.Nc5+-) 19.Ba6 (better 19.Qf4!? Qb8 20.Nb6 Ne4 21.Nd7 Qf4 22.Bf4 g5+-) 19...ba6 20.Bf4 (20.Qf4 Nb5 21.Nc5 h6 22.Bh6 Nd4+-) 20...Nb5 21.Nc5 Nd4 22.Qd3 Nc6 23.Rfe1 Rhe8 (23...Rac8 24.Qc3+-) 24.Qh3 h5 25.Nd7 Qd7 26.Rc6! Qc6 27.Rc1 Qb6 28.Rc7 Qc7 (28...Kf6?? 29.Qh4 Kf5 30.Qg5 Ke4 31.Qe5 Kd3 32.Rc3) 29.Bc7 Rec8 30.Qg3 Ra7 31.Bf4 d4 32.h4 (32.Qg5 Rd7+-) 32...Rc5 (32...Rd7 33.Qg5 d3 34.Qh6 Kf6 35.Bg5 Kf5 36.Bd2+-) 33.Bg5 e5 (33...Rb7 34.Qd6 Rd5 35.Qa6+-) 34.Qf3 Rd7 (34...Rac7 35.Qa8 Rc8 36.Qa6+-) 35.Qa8 d3 (35...Rcc7 36.Qa6 d3 37.Qa5+-) 36.Bh6 (better 36.Qh8 d2 37.Bd2 Rd2 38.Qg7 Ke6 39.Qe7 Kf5 40.Qc5 Kf6 41.Qf8 Ke6+-) 36...Rcd5 (36...Rcc7 37.Qf8 Ke6+-) 37.Qf8 (37.Qa6?! d2 38.Bd2 Rd2 39.Qa5 R2d5+-) 37...Ke6 38.Bg5 d2 39.Qe8 Kf5 40.Bd2! Kf6 (40...Rd2 41.f7 Passed pawn) 41.Ba5! Rd4 (41...Ra5 42.Qd7 Deflection (42.Qd7 Overloading)) 42.Bc3 (better 42.f4!? Re7 43.Qf8 Ke6 44.fe5 Rd1 45.Kh2 Rdd7+-) 42...R4d5 (42...Rd8 43.Qc6 R4d6 44.Qf3 Ke7 45.Bb4+-) 43.Be5! (43.Be5 Re5 44.Qd7+-) 1–0. (527) Meleshko,Vladimir (2215) – Furs,Andrey, Ukrainian Championship Clubs, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3 d4 7.Bb5 (7.Bc4 a6+=) 7...Nc6 (7...Bd7 8.Bd3=) 8.Qe2 a6 9.Bc6 bc6 10.Qe4 (10.d3 Rb8 11.Nbd2 c5=) 10...Bb7= 11.Nd4 Qc7 12.Nf3 c5 13.Qf4 Ne7 14.Bb2 Nf5 (14...Rb8 15.0-0=) 15.0-0 h6 (15...Bd5 16.b4=) 16.Rc1+= g5 (16...Bd5 17.Nc3 Bb3 18.d4+=) 17.Qc4 (17.Qg4 h5 18.Qg5 Bf3 19.gf3 Qb8=) 17...Bd5 18.Qd3 (18.Qg4 Qb7=) 18...Qb7 19.Nc3 Bc6 20.Na4? (better 20.Ne1!?=) 20...g4 (20...Ba4 21.ba4 g4-+ (21...Qb2? 22.Rcb1 Qa1 23.Ra1+-)) 21.Nc5-/+ Bc5 22.Rc5 gf3 23.Rac1 (23.Qc3 Bd5 24.g3 Bb3-/+) 23...Ne7 (better 23...Rd8!? 24.Qc4 Bb5-+ (24...Rd2? 25.Rc6 fg2 26.Rc7+-)) 24.Qc4-/+ Rc8 25.Qh4?? (better 25.g3!?-/+) 25...Bd7 (better 25...Qb3!? 26.Bc3 Qa3 27.Bb4-+) 26.Bd4 (26.Qb4 Qb4 27.ab4 Rd8-+) 26...Rc5 27.Bc5 Nd5?? (better 27...Ng6 28.Qc4 fg2-+) 28.Qg3= Ne7 (28...Qb3?? 29.Qg7 Kd8 30.Qh8 Be8 31.Qh6+-) 29.Qh4 (worse 29.Qf3 Qf3 30.gf3 Rg8 31.Kf1 Bb5 32.d3 Rg5-+) 29...Nf5 (29...Ng6 30.Qd4 fg2 31.Qd6-+) 30.Qf6 (better 30.Qb4!? Qb4 31.Bb4-+) 30...Rg8 31.Bd6 (31.g3 Qb3 32.Bb4 Qb2-+) 31...Bc6 (better 31...Qb3!? 32.Bc7 Rg2 33.Kh1-+) 32.g3 Qd7 (better 32...Qb3!? 33.Bc7 Qd3 34.Ba5-+) 33.Bb4-/+ h5 34.Ba5 Ne7 35.Rc4 (35.Bb4 Nd5 36.Qh4 Nb4 37.Qb4 Bb7-/+) 35...Nd5 (better 35...Qd3 36.Rc1 Qb3-+) 36.Qh6 Bb5 37.Rd4? (better 37.Rc1=+) 37...Qc6 38.d3 (38.Bc3 Nc3 39.dc3 Qc3-+) 38...Qc2 (38...Qc5 39.Rd5 Qd5 40.Qc1 Qe5 41.Qc8 Ke7 42.Qb7 Kf6 43.Qf3 Qf5 44.Bc3 Kg6 45.Qf5 Kf5 46.d4-+) 39.Re4 (39.Be1 Qb1 (39...Bd3?! 40.Qd2 Qd2 41.Bd2-+) 40.Qd2 Rg4 41.Rg4 hg4-+) 39...Qd3 40.Re1 Qf5 (40...Qb3 41.Qc1 Bc4 42.h3-+) 41.Qc1 Kf8 (41...f6 42.Kh1-+) 42.Kh1 (42.Qh6 Ke7 43.Qc1 Kd7-+) 42...Qh3 (better 42...Rg3! 43.Qh6 Rg7 44.Rg1-+) 43.Rg1 Qf5 44.Re1 Kg7 (44...Rg3 45.Qh6 Rg7 46.Rg1-+) 45.a4 (45.Qa1 Qh3 46.Rg1 Ne3-+) 45...Be2 46.b4 Kh7 47.Qb2 (47.Rg1 Qe5 48.Qc2 Rg6-+) 47...Qh3 (47...Rg3 48.Qb1 Bd3 49.Qd1 Rg2 50.Bd8 Qf4 51.Qd3 Kg8 52.Qh7 Kh7 53.b5 Qh2) 48.Rg1 h4 49.Qc2 (49.Qd4 Rg4 50.Qg4 Qg4 51.gh4 Qh3 52.Bd8 Bf1 53.Rg3 Nf4 54.Rg7 Kg7 55.Bf6 Kh7 56.b5 Qg2) 49...Kh8 (49...Rg6 50.Qe4 hg3 51.Qg6 fg6 52.Rg3 Nf4 53.Rg1 Bf1 54.Rg5 Bg2 55.Rg2 Qg2) 50.g4 (50.Qd2 hg3 51.fg3-+) 50...Rg4 (50...Bf1 51.Rg3 hg3 52.fg3 Be2 53.Qe2 fe2 54.Bb6 e1Q 55.Bg1 Qe4) 51.Qc1 (51.Rg4 Qg4 52.Qc8 Kg7 53.Qh8 Kh8 54.b5 Qg2) 51…Rg2 (51...Rg2 52.Qh6 Kg8 53.Qg5 Rg5 54.Rg5 Kf8 55.Bc7 Bf1 56.Bd6 Ke8 57.Rg8 Kd7 58.Rg7 Qg2 59.Rg2 fg2 60.Kg1 Nf4 61.h3 Nh3 62.Kh2 g1Q; 51...Rg1 52.Qg1 Bf1 53.Qg5 Qg2 54.Qg2 fg2 55.Kg1 Nf4 56.h3 Nh3 57.Kh2 g1Q) 0–1. Llaneza Vega,Marcos – Bertault Lopez,Santiago, Asturias–ch Primera A, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3 Bd7 7.Bd3 (7.Be2 Nc6+=) 7...Nc6 8.0-0 Nge7 9.Re1 Ng6 10.Nc3 Qc7 e5 seems the pivot of the position 11.Bb2 Be7 12.Rc1 Rc8 (12...Nce5?? 13.Ne5 Ne5 14.Nd5 Qc1 15.Bc1 (15.Qc1?! Nd3 16.Qb1 Ne1 17.Nc7 Kf8 18.Na8 Ng2+-) 15...Nd3 16.Nc7 Kf8 17.Na8 Ne1 18.Qe1+-; worse 12...Nge5 13.Ne5 0-0 14.Nc6 (worse 14.Nd7 Qd7 15.Na4 e5+-) 14...Bc6 15.Qg4+-) 13.Bb1 0-0 (13...Nge5? 14.Ne5 Qd8 15.Qh5 Ne5 16.Qe5+- (worse 16.Re5 Qb6 17.Bc2 d4+-)) 14.b4 a6 (14...Nge5? 15.Ne5 Qd8 16.Qe2 Ne5 17.Qe5+-) 15.Na4 Qd8 16.Nc5 Bc5 17.Rc5 Nb8 (17...Qe7 18.Rc1+=) 18.Rc8+- Qc8 19.Ng5 h6 (better 19...Qe8!?+-) 20.Nf7!+- Rf7 (20...Rf7 21.Bg6 Remove defender; 20...Kf7 21.Qf3 Deflection (21.Qf3 Decoy)) 21.Bg6 Rf8 22.Bd4 Qc4 (better 22...Be8 23.Bb1 Nd7+-) 23.Bc5 Rc8 (23...Rf4+-) 24.Qf3 Kh8 25.Bf8 Qc1 (25...Be8 26.Be8 Qe4 27.Bg7 Kg7 28.Qf7 Kh8 29.Qf8 Kh7+-) 26.Bg7! (26.Bg7 Kg7 27.Qf7 Kh8 28.Qh7) 1–0. Dimov,Di (2300) – Subbotsky,M (1950), 4th Open Varna BUL, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3 Be7 7.d4 Nc6 8.Bd3 Bd7 9.b4 Rc8 10.0-0 a6 11.Be3 Na7 12.Qd2 Bb5 13.Nc3 Bc4 14.Bc4 Rc4 15.Rfc1 b5 16.Qd3 Nc8 17.Nd2 Rc7 18.a4 Bb4 19.Nb5 ab5? (better 19...Rd7 20.Nc3 a5+-) 20.Qb5+- Rd7 21.Qb4 Nge7 22.Bg5 0-0 (better 22...h6 23.Be7 Ne7+-) 23.Rc8! Qc8 (23...Qc8 24.Be7 Deflection (24.Be7 Remove defender; 24.Be7 Overloading); 23...Nc8 24.Bd8 Pinning (24.Bd8 Deflection)) 24.Be7 Re8 25.Bc5 Rb7 26.Qc3 Qc6 27.a5 Ra8 28.h3 h6 29.Nb3 Rb5 30.Rc1 Rc8 31.Qd3 Qb7 32.Bb6 (32.Rc3 Rc7+-) 32...Rc1 33.Nc1 Qc6 34.Nb3?? (better 34.Ne2+-) 34...Qc4+= 35.Qc4 (35.Nc5!? Rc5 36.Qc4 Rc4 37.a6+=) 35...dc4=+ 36.Nc5 c3 37.Kf1 c2 38.Nd3 Rb3 39.Nc1 Rb1 40.Ke2 Rc1 41.Kd2 Ra1 (41...Rf1!? 42.Kc2 Rf2 43.Kb3 Rg2+-) 42.Kc2+- Kf8 43.Kb2 Ra4 44.Kb3 Ra1 45.Kb4 Ke8 46.g3 Kd7 47.Kc4 (47.Kb5 Ra2+=) 47...Kc6+= 48.Kd3 (48.h4 Ra3+=) 48...Kd5 (48...g5 49.Ke4=) 49.Ke3 g5 50.Kf3 h5 51.g4 Ra3 52.Kg2 hg4 53.hg4 Ke4 54.Bc5 (better 54.Kg1!?=+) 54...Ra5-+ 55.Kg3 Rc5! 56.dc5 Ke5 57.c6 Kd6 58.f4 (better 58.Kf3-+) 58...f6 59.Kf3 Kc6 60.Ke4 gf4 61.Kf4 Kd5 (61...Kd5 62.Kf3 Kd4-+) 0–1. Choisy,Mathilde (2180) – Bellaiche,Elise (2075), French Championship Top, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3+= Ne7 7.Bb2 Nbc6 8.Nc3 Ng6 9.Bb5 Bd7 10.d4 a6 11.Be2.

    6.cb3+= Ne7 7.Nc3 Nbc6 8.d4 Nf5 9.g4 Nh4 10.Nh4 Qh4 11.Nb5.

    6.cb3 Ne7 7.d4 b6 8.Bb5 Bd7 9.Bd3 Nbc6 10.Nc3 a6 11.Be3 b5 12.0-0 Ng6 13.Ne2 Be7 14.Ng3 f6 (14...Rc8 15.Qe2+=) 15.Nh5 fe5 16.Ne5 (worse 16.Ng7 Kf7 17.Ne6 Be6 18.Bg6 hg6-/+) 16...Nce5 (16...Nge5 17.de5 0-0 18.Qb1+=) 17.de5+- Ne5 18.Ng7 Kf7 19.Bd4 Kg7 (19...Nd3!? 20.Qd3 Bf6+=) 20.Be5+- Bf6 21.Qg4 Kf7 22.f4 Qb6 23.Kh1 Rag8 24.Qh5 Ke7 25.Bf6 Kf6 26.Qe5 Ke7 27.f5 Qb8 (better 27...Kd8+-) 28.f6 Kf7 29.Qh5 Kf8 30.Qh6 Kf7 31.Be2 (31.Be2 Qf8 32.Qh5 Rg6 33.Bd3+-) 1–0. Will,Dominik (2140) – Funkschmidt,Kai, 21st Rhein–Main–Open, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3 Ne7 7.d4 Nf5 8.Bd3 Nc6 9.Bc2 Be7 (9...Qa5 10.Bd2 Qb6 11.Bf5 ef5 12.Nc3=) 10.0-0 Qb6 d4 becomes the focus of attention 11.Bb2 g6 12.Qd3 Bd7 13.g4 (13.Nbd2!?+=) 13...Nh4= 14.Nh4 Bh4 15.Qe3 Be7 (15...Rc8 16.Bc3=+) 16.Nd2= f6 17.f4 0-0-0 (17...f5 18.h3=) 18.Nf3 (18.ef6 Bf6 19.Nf3 Rdf8+=) 18...Kb8 (18...f5 19.g5+=) 19.Kg2 (19.ef6!? Bf6 20.Rac1+=) 19...f5= 20.gf5 gf5 21.Kf2 Be8 22.Rg1 Bh5 (22...h6 23.Rac1=) 23.Bc3 (23.Ng5!? Na5 24.Rac1=) 23...Rc8=+ 24.Rgc1 Rc7 25.Bd1 Rg8 26.b4 Bd8 27.Be2 Bf3 28.Kf3 Rcg7 29.Rg1 (29.b5 Na5 30.Bb4 Bh4+=) 29...Qc7=+ 30.Raf1 (30.Rg3 Qf7 31.Rg7 Rg7=) 30...Bh4 31.Qc1 Nd4?? (better 31...Ne5 32.fe5 Rg1 33.Rg1 Rg1 34.Qg1 Qc3 35.Qe3 Qe1-+) 32.Bd4+- Qf7 33.Rg7 Rg7 (33...Qg7 34.Rg1 Qf7 35.Qc5+-) 34.Rg1 (better 34.Qc5!? b6 35.Qd6 Kb7+-) 34...Qh5 (34...Rg1 35.Qg1 a6 36.b5 ab5 37.Bb5+-) 35.Ke3 Bf2 (35...Qh6+-) 36.Kd2 (better 36.Kf2 Qh2 37.Kf1 Rg1 38.Bg1+-) 36...Rg1+- 37.Qg1 (37.Bf2?? Qe2 38.Ke2 Rc1-+) 37...Bg1 38.Bh5 Bd4 39.Bf7 Bg1 40.h3 d4 41.Be6 Be3 42.Kd3 Bf4 43.Kd4 h6 44.Bf5 Kc7 45.Kd5 Kd8 46.Ke6 Bg5 (46...b5 47.Kf6 Ke8 48.Bc2+-) 47.Kf7 Be7 48.Kg6 (48.Bd3 b6+-) 48...Bg5+- 49.Be4 b6 (49...Ke7 50.Kf5 b5 51.Bc6+-) 50.b5 Ke7 51.Bd5 Bd2 52.Kf5 Bc1 53.a4 Bd2 54.Bc4 Bc1 55.Ke4 Bd2 56.Kd5 Bf4 (56...Kd7 57.e6 Kc7 58.Ke5+-) 57.e6 Be3 58.Kc6 Kd8 59.Kb7 Bc5 60.Ka7 Kc7 61.Ka6 Bb4 62.Be2 Ba5 63.Bg4 Bb4 (63...Kd8 64.Bf5+-) 64.Bf5 Bc5 (64...h5 65.h4+-) 65.a5 ba5 66.b6! Kc8 (66...Bb6 67.e7 Passed pawn) 67.e7 (67.e7 Kb8 68.e8Q) 1–0. Fiori,H (2110) – Tumini,L (2140), IRT Eduardo Orosco, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3 f5 7.d4 (7.Nc3 Nh6+-) 7...Be7 8.h4 (8.Nc3 Nh6+-) 8...Nh6+= 9.Bh6 gh6 10.Qd2 Bf8 (10...Bd7 11.Be2+=) 11.Rg1 (11.Be2!?+-) 11...Rg8 (11...Nc6 12.b4+=) 12.g3 (12.Nc3 Nc6+=) 12...Nc6= 13.Bh3 (13.b4!?=) 13...Qb6=+ 14.Qb2 (14.Qd3 Bd7 15.b4 Rg4-/+) 14...Bd7 15.Nbd2 a5 (15...0-0-0 16.0-0-0-/+) 16.Kf1 (16.g4=+) 16...Na7 (16...0-0-0!?-/+) 17.Kg2= Rc8 (17...Be7 18.Rgc1=) 18.Rgc1 Rc1 (18...Nc6 19.Kh2=) 19.Rc1 Nb5 (19...Kf7 20.Nf1=) 20.Nb1 Kd8 21.a4 (21.Kh2 Bc6=) 21...Nc7 22.Nc3 Bc6 (22...h5 23.Rc2=) 23.Qc2 (23.Kh2 Kc8=) 23...Be7 (23...Kc8 24.Ne2+=) 24.Ne2+= Na6 (24...Ba3 25.Ra1 Bb4 26.Nf4+=) 25.Nf4 (25.Qd2 A) 25...Qb3? 26.Qh6 Nc7 27.Nf4+- (27.Qh7?! Re8+-); B) 25...Bf8+-) 25...Bd7 (25...Nc7 26.Qd3+-) 26.Qd2+- Nb4 27.Nh5 (better 27.Rc3+-) 27...Be8? (better 27...Rg6!?+=) 28.Qh6 (28.Nf6 Rg6 29.h5 Rg5+-) 28...Bh5 (28...Nd3 29.Qh7 Rg3 A) 30.Kg3?! Nc1 31.Bf1 Kc8+-; B) 30.Ng3 Nc1 31.Qg8 Nd3+- (31...Nb3?? 32.Nh5+-); C) 30.fg3 Nc1 31.Qg8 Qb3 32.Ng7 Qc2 33.Kh1 Qd1 34.Ng1 Qa4 35.Ne6 (35.Ne8?! Qe8 36.Qe6 a4+-) 35...Kc8 36.Bf5+-) 29.Qh5 Nd3? (29...Rg7 30.Qh6 Rf7 31.Ng5 Bg5 32.Qg5 (worse 32.hg5 Re7 33.Bf5 Kd7+-) 32...Re7 33.Qf6+-) 30.Qh7 Rg3 (30...Rf8 31.Rc3 Nb4 32.Qh6+-) 31.Kg3 (31.fg3?! Nc1 32.g4 Nb3 33.Qg8 Kc7+-) 31...Nc1 32.Qg8 (32.Bf1 Qb3 33.Qg8 Kc7+-) 32...Kd7 (32...Kc7 33.Bf1 Bh4 34.Kh4 Nb3 35.Qf7 Kb8 36.Qe8 Kc7 37.Qe7 Kc8+-) 33.h5 (better 33.Bf1 Qd8 34.Bb5 Kc7 35.Qf7+-) 33...Ne2=+ 34.Kg2 Nf4 35.Kh2 (better 35.Kg3 Nh5 36.Kh2 Qb3 37.Bf5 ef5 38.e6 Kc7 39.Qf7=+) 35...Nh5?? (35...Qb3 36.Bg2 Nh5-+ (36...Qa4?? 37.h6 Qa2 38.h7 Qf2 39.h8Q Qg2 40.Qg2 Ng2 41.Kg2+-; 36...Ng2 37.Kg2 b5 38.h6 ba4 39.h7+-)) 36.Ng5 (better 36.Bf1 Qd8 37.Qh7+-) 36...Nf4-+ 37.Bf1 Bg5 (better 37...Qd4 38.Bb5 Kc7 39.Ne6 Ne6 40.Qe6 Qf2 41.Kh3 Qh4 42.Kg2 Qe4 43.Kh2 Bb4-/+) 38.Qg5?? (better 38.Bb5 Kc7 39.Qg5 Qd4 40.Qe7 Kb6 41.Qd8 Ka7 42.Qa5 Kb8 43.Qd8 Ka7 44.Qa5 Kb8 45.Qd8 Ka7 46.Qa5=) 38...Qd4-+ 39.Bb5 (39.Qg7 Kc6 40.Kg1-+) 39...Kc7?? (better 39...Kc8 40.Qh4 Qe5-+) 40.Qe7= Kb6 41.Qd8 Ka7 42.Qa5 Kb8 43.Qd8 Ka7 44.Qa5 Kb8 45.Qd8 ½–½. Araujo,Renan Aparecido (1975) – Trott,Natan (1790), 3rd Floripa Chess Open, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3+= Nh6 7.Bb2 Nd7 8.d4 f6 9.ef6 Qf6 10.Nc3 Be7 11.Bd3.

    6.cb3+= Nh6 7.Nc3 Nc6 8.Bb5 Be7 9.d4 Nf5 10.g4 Nh4 11.Nh4.

    6.cb3 Nh6 7.d4 Nf5 8.Nc3 Nc6 9.Be2 Be7 10.0-0 0-0 11.g4 (11.b4 Qb6 12.Na4 Qc7+=) 11...Nh4= 12.Nh4 Bh4 13.f4 f6 14.ef6 (14.Be3 Bd7=) 14...Bf6=+ 15.Be3 Bd7 16.Rc1 a6 17.Na4 Be7 18.Nc5 b6 19.Nd7 Qd7 20.b4 b5 21.Bd3 White plans f5 21...Rac8 22.Rf2 Bd6 23.Rc3 Ne7 24.Rc8 Rc8 25.f5 (25.Qf3 Kh8=) 25...Rf8 (25...Rc3 26.Bc1=+) 26.Qc2 (26.fe6 Qe6 27.Rf8 Kf8 28.Qf3 Kg8=) 26...ef5 27.gf5 Kh8 28.Bf4 Bf4 29.Rf4 Qd6 30.Rf2 Qf6 31.Qe2 Nc6 32.Qe6 Qg5 33.Kh1 Qh4 34.Rf1 Qd4 (34...Qf6!?=+) 35.f6= Qd3?? (better 35...gf6 36.Qd6 Rg8 37.Qc6 Qd3 38.Qf6 Rg7=) 36.fg7+- Kg7 37.Rg1 (37.Qd7 Kh6 38.Qc6 (38.Rf8?! Qe4 39.Kg1 Qb1 40.Kf2 Qb2 41.Kf1 Qc1 42.Kg2 Qg5 43.Kf2 Qd2 44.Kg3 Qe3 45.Kh4 Ne5 46.Qd6 Ng6 47.Kg4 Qe4 48.Kg3 Kh5=+) 38...Kh5 39.Rf8 Qe4 40.Kg1 Qd4 41.Kf1 Qd1 42.Kg2 Qe2 43.Kg1 Qd1 44.Rf1 Qg4 45.Kf2 Qd4 46.Ke2 Qe4 47.Kd2 Qg2 48.Ke1 Qe4 49.Kd1 Qd3 50.Ke1 Qe3 51.Kd1 Qd3 52.Ke1 Qe3 53.Kd1 Qd3=) 37...Kh8= 38.Rg8 Rg8 39.Qf6 ½-½. Lerch,Pa (2350) - Zilberman,P (2130), 23rd Wasselonne Open, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    6.cb3+= Qb6

    7.Bb2 Nh6 8.Nc3 Be7 9.Bd3 Nc6 10.0-0 0-0 11.Qc2.

    7.Nc3 Nc6+/- 8.Na4 Qc7 9.Bb2 Nh6 10.b4 a6 11.Bd3.

    7.d4 Nc6 8.Bb2 Bd7 9.Nbd2 a5 10.Bd3 Nge7 11.0-0 a4 12.b4 Na7 13.Bc2 Qa6 14.Re1 Nec8 (14...Rc8!?+-) 15.Ng5+- Be7 16.Nh7 g6 17.Nf6 Bf6 18.ef6 Nd6 (18...Qd6 19.Nf3+-) 19.Nf3 Nc4 20.Bc1 Nb5 21.Ne5 Nbd6 (21...Rh4 22.f4+- (worse 22.Nd7 Kd7 23.Bd3 Qc6+=)) 22.Bf4 Bb5 23.Qg4 0-0-0 (23...Kd8 24.Bg6! Be8 25.Nf7 Nf7 26.Bf7 Bf7 27.Qg7+-) 24.Nd3 (24.Rac1!? Rdf8+-) 24...Nf5+- 25.Nc5 Qc6 26.Bf5 gf5 27.Qf3 b6 (27...Rdg8 28.Nd3+-) 28.Nd3+- Qe8 29.Ne5 Nd6 (29...Ne5 30.Re5 Kb7 31.Rc1+-) 30.Qe3 (30.Rac1 Kb7+-) 30...Kb7 31.Rec1 Qf8 (31...Rh7!?+-) 32.Rc2 Rc8 33.Rc8 Qc8 34.Rc1 Qd8 (better 34...Qg8+-) 35.Nf7! Nf7 36.Rc7 Qc7 37.Bc7 Kc7 38.Qe6 Nd6 (38...Be8 39.Qf5 Kd6 40.Qf4 Ke6 41.g4+-) 39.Qe7 (39.Qd5?! Rf8+-) 39...Bd7 40.f7 1–0. Moravec,Vit (2090) – Svoboda,Svatopluk (2275), CZE–ChT2C, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.d4 Nc6 8.b4 a6 (8...Bd7 9.Nc3+=) 9.Bd3 Bd7 (9...Nd4?? 10.Nd4 a5 11.Bb5 Bd7 12.Bd7 Kd7 13.Qa4 Ke7 14.Be3+-) 10.Bb2 f6 11.0-0 Be7 12.Nc3 Nh6 (12...Nd4? 13.Nd4 fe5 14.Na4 Ba4 15.Qa4 Kf8 16.Nb3+-) 13.Na4 Qd8 (13...Qc7 14.Rc1+-) 14.ef6 Bf6 15.Nc5 Bc8 16.Re1 Qd6 17.Qc2 g6 18.Re3 (18.Ne5 0-0+-) 18...Kf7 (18...Ng4 19.Re2 Nd4 20.Bd4 Bd4 21.Qa4 Kf7 22.Rd1=) 19.Rae1 (19.Ne5 Be5 20.de5 Qc7+-) 19...Re8 (19...Nf5 20.Bf5 ef5 21.Ne5 Kg7 22.Ncd3+-) 20.Qe2 (20.Ne5 Be5 21.de5 Qc7+-) 20...Nd8 (20...b6 21.Na6 Ba6 22.Ba6+-) 21.Ne5+- Be5 (21...Kg8 22.Rf3 Rf8 23.Bc1+-) 22.de5 Qe7 23.Rh3 Kg7 24.Bc1 Ndf7 25.Qd2 Ng8 26.Qf4 b6 27.Nb3 Rf8 28.Qg3 Bb7?? (better 28...Ngh6+-) 29.Rh7!! (29.Rh7 Kh7 30.Qg6 Kh8 31.Qh7) 1–0. Kieffer,C (2125) – Coudenis,A (1945), Open A Le Touquet FRA, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.d4 Nc6 8.Nc3+= Nge7 9.Bd3 Nf5 10.Bf5 ef5 11.0-0.

    7.d4 Bd7 8.Nc3 Nc6 9.b4 (9.Be2 Rc8 (9...Nh6 10.0-0 Nf5 11.Na4) 10.Na4 Qc7+= 11.0-0; 9.Na4 Qc7 10.Be3 Nh6 11.Bd3) 9...Be7 (9...Nge7!?+= 10.b5 Na5 11.Bd3; 9...Nh6 10.Na4 Qc7 11.Bh6) 10.Na4+/- (10.b5 Na5 11.Bd3) 10...Qc7 (10...Qd8 11.Bd3+/-) 11.Bb2 (11.Bd3 h5+/-) 11...f6 (11...Nh6!?+=) 12.Rc1+/- a6 13.Bd3 fe5 (13...Nh6!?+/-) 14.Ne5+- (14.de5?! Nh6+/-) 14...Nf6 15.Nd7 Nd7 16.Qh5 Kf8 17.Nc5 (better is 17.Qf3!? Kg8 18.Qg4+-) 17...Nc5 18.dc5 (worse is 18.Rc5 Bc5 19.dc5 Qf7+=) 18...Bf6 19.Bf6 gf6 20.0-0 Re8 (20...Rg8 21.f4+=) 21.Bb1 (21.Bg6 Rc8+/-) 21...Qf4 (21...Rg8 22.Qh7 Qh7 23.Bh7+/-) 22.Rc3 (22.Bh7? Re7 23.g3 A) 23...Reh7 24.Qh7 (24.gf4?? Rh5 25.Rcd1 Rh2-+) 24...Rh7 25.gf4+-; B) 23...Qd4-+) 22...Qg5 (22...Ne5 23.g3 (23.Bh7? Re7 24.Rh3 Reh7 25.Qh7 Rh7 26.Rh7 Nf7-+) 23...Qd4 24.Re3+/-) 23.Qd1 (23.Qg5 fg5 24.Rg3 a5+/-) 23...Re7 (23...Rg8!? 24.Rg3 Qh4+=) 24.f4+/- Qg8 25.Rg3 (25.Ba2 Rg7 26.Rf2 f5+/-) 25...Rg7 (25...Qf7!?+/-) 26.Rg7+- Kg7 27.Qg4 (27.Re1!?+-) 27...Kf8+/- 28.Qh4 Qf7 29.Re1 Ke7?? (better is 29...h5+/-) 30.Bf5+- Nd4 31.Be6! Ne6 32.f5 Re8 33.Re6 Kd7 34.Qf6 Qh5 35.h3 (35.h3 Re6 36.fe6 Kc6 37.Qf7 Qf7 38.ef7+-; 35.c6 Kc8 36.cb7 Kc7 37.Qe5 Kb7 38.Qg7 Qf7 39.Qf7 Re7 40.Qe7 Kc8 41.Rd6 d4 42.Rd8) 1–0. Treger,E (2230) – Kelleher,J (2085), 90th ch–Marshall CC, New York USA, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    6.cb3+= Nc6

    7.Bb2+= Nh6 8.Bd3 d4 9.0-0 Be7 10.b4 a6 11.Qc2.

    7.Nc3 Nh6 8.d4 Qa5 9.Bb2 Be7 10.b4 Qb6 11.Na4.

    7.d4 Qb6 8.Bd3 Bd7 9.Be3 Rc8 10.0-0 Nh6 11.b4 (11.Bh6 gh6 12.Bc2 Bg7+=) 11...Nf5 Increases the pressure on d4 12.Nc3 (12.Bf5!? ef5 13.Qd3+=) 12...Ne3=+ (12...Nfd4? 13.Nd4 Nd4 14.Nb1+-) 13.fe3 Nd4 14.ed4 Rc3 15.Qd2 Rc7 16.Qg5 Bb5 17.Bb5 Qb5 18.Rac1 Rc1 19.Rc1 Qd7 20.Rc3 h6 21.Qc1 Kd8 22.Qf4 Ke8 23.h4 (23.Qg3 b5=) 23...Be7=+ 24.Qc1 ½–½. Stojanas,J (2105) – Kalvaitis,S (2150), Alpress Cup Frydek Mistek CZE, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.d4 Qa5 8.Bd2 Qb6 9.Bc3 Bd7 10.Bd3 Rc8 11.0-0 Nh6 12.Bb2 Be7 13.b4 Na5 (13...a6 14.Nbd2+=) 14.Nbd2 (14.Nc3 Nc4 15.Bc1 Ng8+=) 14...Nc4= 15.Bc4 (15.Qb3 Nd2 16.Nd2 0-0=) 15...dc4 16.Rc1 Qa6 17.d5 (17.Rc3!?=) 17...Ba4=+ 18.Qe2 c4 becomes the focus of attention 18...ed5 19.e6 (19.Nd4 0-0-/+) 19...f6 (19...0-0!? 20.ef7 Rf7-/+) 20.Nd4 (20.Rfe1 0-0=+) 20...0-0 21.Rc3 (21.Qh5 Rfd8=+) 21...Qb6-/+ 22.N2f3 a5 23.Bc1 (23.ba5 Qa5 24.Qd2 b5-/+) 23...Ng4 (better 23...ab4!? 24.ab4 Bb4-+) 24.Nf5 (24.ba5 Qa5 25.Qd2 Rfe8-/+) 24...Rfe8 25.N3d4 Ne5 26.Rg3 (26.ba5 Qa5 27.Bd2=+) 26...Bf8 (better 26...g6!? 27.ba5 Qa5 28.Ne7 Re7=) 27.e7 Re7 28.Ne7 Be7 29.Nf5 Bf8 30.ba5 (30.Rg7 Bg7 31.Ne7 Kf8 32.Nc8-/+) 30...Qa5 (30...Qe6!? 31.Ng7 Bg7=) 31.f4+= Nf7?? (31...Nd7 32.Qe6 Kh8+-) 32.Qe6+- g6 1–0. Hechl,Gerald (2240) – Mittermayr,Gerhard (2135), 2. Bundesliga Ost, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.d4 Be7 8.Bd3 Bd7 9.Nc3 Rc8 10.Bd2 f6 11.0-0 fe5 (11...Qb6 12.Na4 Qc7 13.Re1+-) 12.de5+- Bc5 (better 12...Nh6+-) 13.Nd5?? (better 13.b4 Be7 14.b5+-) 13...ed5-/+ 14.e6 (better 14.b4 Bb6 15.b5-/+) 14...Nf6?? (better 14...Be6 15.Ng5 Bf7-+) 15.ed7+- Qd7 16.Ng5 (16.Re1 Be7+-) 16...g6 (16...Ne7 17.Qb1+=) 17.Re1+- Be7 18.Ne6 Nd8 19.Qe2 (better 19.Nd8!? Kd8 20.Qe2+-) 19...Qe6= 20.Qe6 Ne6 21.Re6 Kf7 22.Re2 a6 23.b4 Bd6 24.f3 (24.Rae1 Rhe8=) 24...Rhe8=+ 25.Re8 Re8 26.Rc1 Nd7 27.a4 Ne5 28.Bf1 Rd8 (28...Re6 29.b5 Nd7 30.a5=) 29.f4 Nd7 30.Bd3 Nf6 31.f5 (31.Kf2 Re8 32.Kf3 Ne4=) 31...Ne4=+ 32.fg6 hg6 33.Be3 Ke6 34.b5 ab5 35.ab5 Be5 (35...Ra8 36.Re1-/+) 36.b6 (36.Be4 de4 37.Rc4 Kd5 38.Rc5 Kd6=) 36...Ra8 37.g3 Ra3 38.Be4 (38.Rd1!?=+) 38...de4-/+ 39.Re1? (better 39.Bc5 Rb3 40.Kg2-/+) 39...Re3!-+ 40.Re3 Bd4 41.Kf2 Bb6 (41...Be3 42.Ke3 Ke5 43.h3+-) 42.Ke2 Be3 43.Ke3 Kf5 44.h3 b5 45.g4 Kg5 46.Ke4 b4 47.Kd3 Kh4 48.Ke4 0–1. Stojanas,J (2105) – Lassan,C (2065), Alpress Cup Frydek Mistek CZE, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    7.d4 Nh6 8.Bd3 Nf5 9.Bb2 Be7 10.0-0 0-0 11.Nc3 Bd7? (better 11...Ncd4 12.Nd4 Nd4 13.Bh7 Kh7 14.Qd4 Qb6 15.Qd3 Kg8=) 12.Bf5+- ef5 13.Nd5 Be6 14.Ne7 Ne7 15.Qd3 (15.Rc1 Qb6 16.b4 Rfc8+-) 15...Qd5 16.b4 b5 (16...Rac8 17.Rfc1+-) 17.Rfc1+- Rfc8 18.Nd2 (18.Rc5 Rc5 19.bc5 Qc6+-) 18...Ng6+- 19.Qe3 Rc1 20.Rc1 (20.Bc1?! f4 21.Qe4 Rc8 22.Qd5 Bd5=) 20...Qa2 21.Ba1 (21.Rc2 Rc8 22.Rc8 Bc8+-) 21...h6 22.Nf1 (22.g3 a5+=) 22...a5+= 23.Bc3 Qa3 24.Ra1 Qb3 25.Nd2 (better 25.ba5!? f4 26.Qd2+=) 25...Qc2= 26.d5 (26.ba5!? Nf4 27.Qf4 Qc3 28.Rb1=+) 26...Bd5-/+ 27.Qd4?? (better 27.e6!? fe6 28.ba5-/+) 27...Be6 (better 27...ab4 28.Ra8 Ba8-+) 28.ba5 Nf4! 29.Re1 (29.Qf4 Qc3 Deflection) 29...Rc8 (29...Ne2! 30.Re2 Qd1 31.Nf1 Qe2 32.h3-+) 30.Qf4-/+ Qc3 31.h4 (31.a6 Rc6 32.a7 Ra6-/+) 31...Qa5-+ 32.Rb1 Rb8 (32...Qa4 33.Rb4 Qa3 34.Rd4-+) 33.Rb4 Bc4! 34.e6 (34.Nc4 Qa1 Double attack (34...Qb4 Decoy; 34...Qb4 Interception)) 34...Qb4 35.Qb8 Qf8 36.Qc7?? (better 36.ef7 Kf7 37.Qf4=+) 36...Be6-+ 37.Nf3 Qc8 (better 37...Qb4 38.Qd8 Kh7 39.Qd3-+) 38.Qe5? (38.Qc8 Bc8 39.Kf1-+) 38...b4 39.Nd4 (39.Qa1 b3-+) 39...b3 40.Kh2 Qc3 41.Qb8 (41.Qd6 Kh7 42.Nf3 b2-+) 41...Kh7 42.Ne6 (42.Nb3 Qb3 43.Qf4-+) 42...fe6 43.h5 b2 44.Qb6 Qe5 45.g3 Qe2 46.Kg2 Qe4 (46...Qe4 47.f3 Qc2 48.Kf1 b1R 49.Qb1 Qb1 50.Ke2 Qb2 51.Ke3 Qb6 52.Ke2 Qc6-+) 0–1. Krstic,Slobodan (2180) – Frost,Peter, Australian op, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    7.d4 Nh6 8.Bd3 Nf5 9.Be3 Be7 10.0-0 0-0 11.Nc3 f6 12.ef6 Bf6 The pressure on the isolated pawn grows 13.Rc1 Ne3 (13...Qa5 14.Na4+=) 14.fe3 Qe7 (14...Bd7 15.Qd2+=) 15.b4 Bd7 (15...a6 16.Na4+=) 16.Qb3 (16.Qc2 g6+=) 16...Rad8 (16...Bg5 17.Rce1 Rac8 18.Qc2+=) 17.Na4 (17.b5 Na5 18.Qa4 b6+=) 17...e5 (17...Bg5 18.Rce1+=) 18.Qd5+- Kh8 19.Qe4 ½–½. Shkuro,Iuri (2455) – Artemchuk,Taras (2225), Alushta UKR, Men Ch semi–final, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    7.d4 Bd7

    8.b4 Rc8 9.Bd3 Qb6 10.Be3 h5 (10...Nh6 11.0-0+=) 11.h3 (11.0-0 Nh6+/-) 11...Be7 12.Nbd2 Nh6 13.g4 a5 (13...hg4 14.hg4 Rf8 15.Rg1+=) 14.b5+= Na7 15.a4 Rc3 (15...Bb4 16.Ke2+=) 16.Nb1 (16.Nb3!? hg4 17.hg4+/-) 16...Rc8 17.Ra2 Bb4 18.Kf1 Ke7 19.Nh4 Bc3? (better is 19...Ke8!?+=) 20.Qf3+- Ke8 (20...Bb5 21.ab5 (21.Bb5?! Nb5 22.ab5 Bd4+=) 21...hg4 22.hg4 Nb5 23.g5 Nd4 24.Qf4+- (24.gh6?! Nf3 25.Bb6 Rh6+-)) 21.Qf4 (21.Ng6!? Rg8 (21...fg6?? 22.Bg6 Kd8 23.Nc3+-) 22.Nc3 Rc3+-) 21...Bb4+/- 22.Kg2 Be7 (22...Ng8!?+/-) 23.g5+- Nf5 24.Nf5 ef5 25.Bf5 Bf5 26.Qf5 g6 (26...Qg6 27.Qg6 fg6 28.Bd2+-) 27.Qf3 Qe6 28.Bd2 Rc4 29.Na3?? (better is 29.Ba5 Rd4 30.Nd2 Bg5 31.Qc3 Rd2 32.Rd2 Bd2 33.Qd2+-) 29...Ra4= 30.Rc1 (30.Rha1=) 30...Kd7 (30...Kf8 31.Rcc2=) 31.Qb3 Ra3? (31...Rd4 32.Qc3 Rh4 (32...Qe5? 33.Re1 Rc8 34.Re5 Rc3 35.Bc3+-) 33.Qc7 Ke8 34.Qb8 Bd8+=) 32.Ra3+- Ba3 33.Qa3 Nb5?? (better is 33...Rc8!? 34.Rc8 Nc8 35.Ba5 b6+-) 34.Qa5 (better is 34.Qa4 Ke7 35.Qb5+-) 34...Qa6 35.Rc5 Qa5 36.Ba5 Na7 37.Rd5 Ke8?? (37...Kc8 38.Rc5 Kd7 39.Rc7 Ke6 40.Bb6+-) 38.Rd6 (better is 38.Rd8 Ke7 39.Rh8+-) 38...Ke7 (38...Nc6 39.Bb6 Ke7 40.Bc5+-) 39.Bb4 Ke8 40.Rb6 Nc6 41.Rb7 Kd8 (41...Nb4 42.Rb8 (42.Rb4?! Ke7+-) 42...Ke7 43.Rh8+- (43.Rb4?! Ra8+-)) 42.d5 (better is 42.Bc5 Kc8 43.Rf7 Nd8+-) 42...Nb4 43.Rb8 Kd7 44.e6! (worse is 44.Rb4 Ra8+-) 44...fe6 45.de6 (45.Rb4?! ed5 46.Rb6 Rg8+=) 45...Ke6 46.Rh8 (46.Rb4?! Kf5+=) 46...Kf5 47.h4 Kg4 48.Rg8 Nd3 49.Kh2?? (better is 49.Kf1 Kh4 50.Rg6+-) 49...Ne5 50.Kh1 Kh4 51.f4 Nd3 52.Rg6 Nf4 53.Rg8 Ne6 54.g6 Kg5 55.Kh2 Kf6 56.Kh3 Ng7 57.Kg3 Kg6 58.Kf4 Kf7 59.Ra8 Kf6 60.Rf8 Kg6 61.Rb8 Kf6 62.Rb6 Ne6 63.Kg3 Kf5 64.Rb5 Kg6 65.Kh4 Ng7 66.Rb6 Kf5 67.Ra6 Ke5 68.Rg6 Ne6 69.Rg8 Nf4 70.Kg5 Nd5 71.Re8 Kd6 72.Rd8 Ke6 73.Kh5 Ke5 74.Kg5 Nc7 75.Rd1 Ne6 76.Kg4 Nd4 77.Re1 Kd5 78.Kg3 Ne6 79.Re3 Nd4 80.Kf4 Ne6 81.Kf5 Nd4 82.Kf6 Nc2 83.Rh3 Nd4 84.Rh4 Nf3 85.Rh5 Ke4 ½–½. Vartanov,Dmitriy (1895) – Shulajakov,Alexander (2050), Novokuznetsk RUS, SFO Ch U17 (b), 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    8.b4 Rc8 9.Be3 Nge7 10.Bd3 Nf5 11.0-0 Be7 12.Nbd2 0-0 13.Nb3 Ne3 14.fe3 f5 15.Nc5 Rc7 16.Rc1 Bc8 17.Qb3 b6 18.Na6 Ba6 19.Ba6 Nb8 20.Bd3 Qd7 21.Qb2 (21.Bb5 Qc8 22.Qb2 a6 23.Rc7 Qc7+=) 21...Rfc8= 22.Rfd1 Qa4 23.Kf2 Kf7 (23...a5 24.ba5 Qa5 25.Rc7 Rc7 26.a4=) 24.Rc7 Rc7 25.Rc1 Rc1 26.Qc1 Qc6 27.Qd2 (27.Qc6 Nc6 28.Ke2 Nb8=) 27...h6 (27...b5 28.Qe2 a6 29.Ng5 Bg5 30.Qh5 Kg8 31.Qg5=) 28.h4 (28.b5 Qc7 29.Qb2 Ke8+=) 28...a6 29.h5 b5 30.g4 fg4 31.Nh2 Nd7 32.Ng4 Bg5 33.Nh2 Bh4 34.Ke2 Nb6 35.Nf3 Be7 36.Bg6 Kg8 37.Qd3 Qc4 (37...Qc1 38.Bh7 Kf8 39.e4=+) 38.Nd2= Qd3 (38...Qc6!?=) 39.Kd3+= Nc4 40.Nc4 bc4 41.Kc3 Kf8 42.e4 (42.a4+=) 42...Bg5 (42...Bh4 43.ed5 ed5 44.Bf5+=) 43.a4 (43.ed5 ed5 44.Bf5 Bh4+-) 43...Ke7? (43...Bh4!?+=) 44.Bh7 (44.b5!? ab5 45.ab5+-) 44...Bh4 45.Bg8 (better 45.ed5 ed5 46.Bg8 Be1 47.Kc2+/-) 45...Be1=+ 46.Kb2? (better 46.Kc2!? de4 47.b5 ab5 48.ab5=+) 46...de4-+ 47.Bh7? (better 47.Kc2 Bb4 48.d5-+) 47...e3 48.b5 (48.b5 e2 49.b6 Bb4 50.Kb1 e1Q 51.Kb2 Bc3 52.Kc2 Qd2 53.Kb1 Qb2). Abrashkin,B (2405) - Goncharov,Vladimir (2075), Titled Tuesday, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    8.Bd3 Qb6 9.Bc2 (9.Be3 Rc8+=) 9...Nge7 10.Nc3 Ng6 (better is 10...Rc8 11.Be3 Nb4 12.ab4 Rc3+=) 11.Ng5?? (better is 11.h4+=) 11...Qd4-+ 12.Bd2 Nce5 13.Ne2 0–1. Abdulla,Almarzuoqi (1670) – Sidabras,Ignas (1840), Durban RSA, World Ch U16 (b), 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    8.Bd3 Nge7 9.Nc3 Nf5 10.Bf5 ef5 11.0-0 Be6 12.h4 (12.Bg5 Qb6+=) 12...h6= 13.Be3 Be7 14.b4 0-0 15.Qd2 Rc8 16.Ne2 (16.h5 a5=) 16...Re8 17.Bh6 gh6 18.Qh6 Bf8 19.Qh5 Bg7 20.Ng5 f6 (20...Qc7!?=) 21.Qh7+= Kf8 22.Ne6 Re6 23.Qf5 (23.b5 fe5 24.bc6 Rcc6+=) 23...Re8 (23...Qd7!?=) 24.Rac1 (24.h5 a6 25.Rfd1 Kg8+/-) 24...Kg8 25.f4 fe5 (25...Rc7 26.Qg6+/-) 26.fe5+/- Qe7 (26...Qh4?? 27.Qf7 Kh7 28.Rf5 Nd4 29.Rh5 Qh5 30.Qh5 Kg8 31.Rc8 (31.Nd4?! Rc1 32.Kf2 Re5+=) 31...Ne2 32.Qe2 Rc8 33.Qd1+-) 27.b5 Rf8 (27...Nd4 28.Nd4 Rc1 29.Rc1 Qe5 30.Rd1 Qe3 31.Kh2+/-) 28.Qg4 (28.Qh3 Nd4 29.Nd4 Rc1 30.Rc1 Qe5+/-) 28...Ne5 29.de5 (29.Qc8?! Rc8 30.Rc8 Kh7 31.de5 Be5=) 29...Rc1 30.Rc1 Qe5 31.Rc8 Kh7 32.Rf8 Bf8 33.Nf4 Ba3 34.h5 Bc1 35.Qg6+= Kh8 36.Qh6 Kg8= 37.Qe6 Qe6 38.Ne6 a5 39.ba6 ba6 40.Nc7 a5 41.Nd5 a4 42.Nc3 a3 43.Kf2 Kg7 44.Kf3 Kh6 45.Na2 Bb2 46.Kg4 Ba1 47.g3 Bb2 48.Nb4 Bc3 49.Na2 ½–½. Carrascoso Morales,Abel (2340) – Lopez Mulet,Inigo (2190), Mislata ESP, Open–A, 2014. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 d5)

    8.Bd3 Nh6 9.Bh6 gh6 10.0-0 Qb6 11.Bc2 Na5 12.Nbd2 (12.Re1 Rc8+/-) 12...Rc8 (12...Nc6!?=) 13.b4+/- Nc4 14.Nc4 Rc4 (14...dc4 15.Be4+/-) 15.Bd3 Rc7 16.Qd2 Bg7 17.Rfc1 Rc1 18.Rc1 Ke7 19.Qf4 Rc8 20.Rc8 Bc8 21.Qc1 Bd7 22.Bh7 Bb5 23.h4 Be2 24.Qc8 Bf3 25.gf3 Qd4 26.Qb7 Ke8 27.Bg8 Qf4 28.Qa8 Ke7 29.Qa7 Kf8 30.Qb8 Ke7 31.Qc7 Ke8 32.b5 Qf3?? (better 32...Be5 33.Qc5 Qf3=+) 33.Qc8 Ke7 34.Qc5 Ke8 35.Qe3 Qg4 36.Kf1 Qd1 37.Kg2 Qg4 38.Qg3 Qg3 39.fg3 Be5 40.Bh7 Bc7 41.Bd3 Ke7 42.Kf3 Kf6 43.Bc2 Ke5 44.Kg4 Kf6 (44...Kd4 45.Bh7=+) 45.a4= e5 46.Kh5 Kg7 (better 46...e4!?=) 47.Bb3+/- d4 48.Bc2 Ba5 49.Kg4 Kf6 50.Kh5 Kg7 51.Kg4 Kf6 52.Kf3 Ke6 53.g4 Bd8 54.Bb3 Kd6 (54...Ke7+/-) 55.h5 (55.Bf7 Bh4 56.a5+=) 55...Kc5 56.Ke4 (56.Bf7 Kb4+=) 56...Kb4 57.Bd1 Kc3 (57...f6!?=) 58.Ke5 (58.a5 f6 59.b6 Kb4+-) 58...d3 59.a5 (better 59.g5!? Bg5 60.b6+/-) 59...Ba5= 60.g5 hg5 61.Kd5 f5?? (61...Kd2 62.Bg4 f5 63.Bf5 Ke3+-) 62.h6+- Kd2 63.h7 Bc3 64.b6?? (64.Kc4 Be5 65.b6 Kd1 66.Kd3+-) 64...Kd1= 65.b7 d2 66.b8Q Kc1 67.Kc4 Bb2?? (better 67...d1Q 68.Kc3 Qe1 69.Kd3 Qe4 70.Kc3 Qe3 71.Kc4 Qe2 72.Kd4 Qf2 73.Kd5 Qa2 74.Kd4 Qd2 75.Kc4 Qc2 76.Kd4 Qa4 77.Kc5 Qc2 78.Kd4 Qe4 79.Kc3 Qe3 80.Kc4 Qe6 81.Kc3 Qf6 82.Kd3 Qa6 83.Ke3 Qa3 84.Kd4 Qa4 85.Kc5 Qc2 86.Kd4=) 68.Qb2!+- Kb2 69.h8Q Kc2 70.Qc3 Kd1 71.Kd3 Ke1 72.Qd2 (72.Qd2 Kf1 73.Ke3 f4 74.Kf3 g4 75.Kf4 g3 76.Kg3 Kg1 77.Qe1) 1-0. Shtyka,S (2175) - Adamczewski,M (2045), Euro Online U2300 Day, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    8.Be2 Qa5!? 9.Bd2 Qb6=.

    8.Be2 Nh6 9.Bh6+- gh6 10.0-0 Bg7 11.Nc3 0-0 12.Bd3 f6 13.ef6 Qf6 14.Ne2 (14.Bb5 Be8 15.Bc6 bc6+=) 14...Be8 15.Ng3 (15.Bb5!?=) 15...Nd4=+ 16.Nd4 Qd4 17.Ra2 Bg6 18.Rd2 Qf4 19.Rc2 Be5 20.Qe2 Rae8 21.Re1 (21.Kh1 Bd4-/+) 21...Bd6 (21...Bd4!? 22.Nh1 e5-/+) 22.b4=+ h5 23.Nf1 h4 24.h3 Re7 25.Rec1 Qg5 (25...Be5 26.Re1 Bd4 27.Ne3-/+) 26.Rc8=+ Bh5 27.f3 (27.Rf8 Kf8 28.Rc8 Kg7=+) 27...Qe5 (27...Bg6!?-/+) 28.Qf2= Qf4 29.Rf8 Kf8 30.Rc8 Kg7 31.Qa7 Be5 32.Qa8?? (better 32.Kh1 Bf3! 33.Qf2-+) 32...Qd4-+ 33.Kh1 Qd3 34.Rg8 (34.Rc1 Bf3! 35.Qa7-+) 34...Kh6 35.Qf8 Rg7 36.Kg1 Qf5 (36...Qd4 37.Kh1 Qf2 38.Qg7 Bg7 39.Rg7 Qf1 40.Kh2 Kg7 41.a4 d4 42.a5 d3 43.f4 d2 44.a6 d1Q 45.g4 Qfe2) 37.Qd8 (37.Qf5 ef5 38.Rg7 Bd4 39.Kh2 Kg7-+) 37...Qg5 (37...Bd4 38.Kh2 Qf4 39.g3 hg3 40.Ng3 Qg3 41.Kh1 Bf3) 38.Qg5 Rg5 39.Rf8 Rg7 (39...Kg7!? 40.f4-+) 40.f4 (40.Nh2 Rc7 41.Ng4 Bg4 42.fg4 Rc3-+) 40…Bd4 (40...Bd4 41.Kh2 Rc7-+) 0–1. Eck,Mathias – Rupp,Markus (2330), Wuerzburg op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    8.Bg5 Qa5 9.Bd2 Qb6 10.Be3 Nge7 (10...Qa5 11.Nfd2=) 11.Bd3+= Rc8 12.b4 a6 13.0-0 h6 14.Nbd2 Na7 15.Rc1 Bb5 16.Qb3 Bd3 17.Qd3 Rc1 18.Rc1 Nf5 19.Nb3 Be7 20.Nc5 Nc6 21.Qc3 Nb8 (21...Bc5!? 22.dc5 Qc7+=) 22.Nb7!+- Qb7 23.Qc8 Qc8 24.Rc8 Bd8 25.Rb8 Ne3 26.fe3 0-0 27.Nd2 (27.Rb7 g5 28.h3 a5+-) 27...Bg5 28.Rf8 Kf8 29.Kf2 Ke8 30.Nb3 Be7 (30...Bd8 31.Kf3+-) 31.Nc5 a5 32.b5 (32.ba5 Bd8 33.a6 Bb6+-) 32...Kd8 33.a4 Kc7 34.Nb3 (34.e4 de4 35.Ke3 h5+-) 34...Kb6 35.Kf3 Bb4 36.Nc5 (36.e4 Bc3 37.ed5 ed5+-) 36...Bc3 (better 36...Bc5!? 37.dc5 Kc5+-) 37.Ke2 Bb2 38.Kd3 Bc1 39.g4 Ba3 40.Nb3 Bb4 41.e4 Be1?! (41...de4 42.Ke4 g6+-) 42.ed5 ed5 43.Ke3 (better 43.Nc1!? Kc7+-) 43...Bh4 44.Kf4 Bg5 45.Kf5?? (better 45.Kf3+-) 45…g6 0–1. Cutinelli,G – Scagliarini,Valentina, Rome–ch, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    7.d4 Nge7

    8.Bd3 Qb6 9.Nc3 a6 (9...Bd7 10.Na4 Qc7 11.0-0+=) 10.Na4 Qa7 11.b4 Bd7 (11...Nf5 12.Bb2+=) 12.Bb2 (12.Nc5 a5 13.Nd7 Kd7+-) 12...Nf5 d4 draws heavy fire (12...b6 13.0-0+=) 13.Nc5+- b5 (13...Qb6 14.0-0+-) 14.Rc1 Be7 15.Qc2 Rc8 16.0-0 g6 17.g4 (17.Rfe1 Bf8+-) 17...Ng7 18.Qd2 h5 (18...0-0+-) 19.h3 (19.g5 0-0+-) 19...Kf8 (better 19...hg4!? 20.hg4 Qa8+=) 20.Qf4 Kg8 21.Rc2 (21.g5 Nf5+-) 21...Bf8 (21...hg4 22.hg4 Nd8 23.Rfc1+-) 22.Ng5 (22.g5!?+-) 22...Be8+= 23.Rfc1 Nd8?? (better 23...hg4 24.hg4 Be7+-) 24.Nce4 de4 25.Ne4 (25.Ne4 Bc5 26.Nf6 (worse 26.bc5 hg4 27.Nf6 Kf8+-) 26...Kf8 27.g5+-) 1–0. Hansen,Stig – Zbinden,Roland, DEN–chJ int Soro, 1982. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    8.Bd3 Nf5 9.Bb2 Be7 10.0-0 Qb6 d4 draws heavy fire 11.b4 Bd7 (11...Nfd4? 12.Bd4 Nd4 13.Nd4+-) 12.Bf5 ef5 13.Nc3 Be6 14.Na4 Qb5 15.Nc5 Bc5 (15...0-0 16.Qd3 Qd3 17.Nd3=) 16.dc5+= a5 17.Nd4 Nd4 18.Qd4 0-0 19.Bc3 ab4 20.ab4 h6 (20...Rfe8 21.Rfd1+=) 21.h4 (21.Qd2 Rfd8+/-) 21...Kh7 22.Ra8 Ra8 23.Ra1 Ra1 24.Ba1 Qe2 25.Bc3 g5 (25...Kg6 26.Kh2=) 26.hg5+= hg5 27.Qe3 (27.Qd2 Qd2 28.Bd2 f4=) 27...Qd1 28.Qe1 (28.Kh2 f4 29.Qd4 Qd4 30.Bd4 Kg6=) 28...Qb3 (28...Qe1 29.Be1 d4 30.b5=) 29.Qe3 f4 (29...Qd1 30.Kh2 f4 31.Qd4 Qd4 32.Bd4=) 30.Qd3 Kg7 31.Kh2 ½-½. Leszko,Bence (2310) - Pichot,A (2630), Gran Canaria May Blitz, 2021. (=1.e4 C00: French: Unusual White 2nd moves 1...c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 b3)

    8.Bd3 Nf5 9.Bb2 Be7 10.0-0 h5 11.b4+- Qb6 Will d4 fall? 12.Kh1 g5 (12...Nfd4? 13.Bd4 Nd4 14.Nd4+-) 13.Nc3 (13.Bf5 ef5 14.Nc3 Be6+=) 13...Qd8 (13...g4!? 14.Ng1 Ncd4+= (worse 14...Nfd4 15.Na4 Qc7 16.b5+-)) 14.Ne2+- h4 15.h3 Rg8 16.Nh2 Bd7 17.Ng4 Qb6 18.Rc1 a6 (18...Nfd4? 19.Nd4 Nd4 20.Bh7+-) 19.Re1 Rh8 (19...Nfd4?? 20.Nd4 a5 21.Nc6 bc6 22.Bc3+-) 20.Bf5 ef5 21.Nf6 Bf6 22.ef6 Be6 23.Nc3 (23.Rc5 Qd8 24.Nc3 Kf8+-) 23...Qd8 24.b5 (24.f4 gf4 25.Qf3 Nd4+-) 24...ab5 25.Nb5 (25.Qb3 b4 26.ab4 Qd6+=) 25...Kf8 26.Qb3 Rb8 (worse 26...Qf6 27.Nc7 Rd8 28.Qb7+-) 27.a4 Qf6 28.Ba3 Kg8 29.Bd6 Rd8 30.Bc7 Rd7 31.Qd1 (31.Be5 Ne5 32.Re5 Kh7+=) 31...Rh6 32.Be5 Ne5 33.de5 Qe7 34.Nd6 g4 35.Rc8 Rd8 36.Rd8 Qd8 37.Qc1 (37.Nb7 Qb6 38.Qd2 Rg6=) 37...Rg6= 38.Nb7 Qa8 39.Qc7? (better 39.Qc6!?=+) 39...gh3-+ 40.gh3 d4 41.Kh2 Bd5 (41...Qa4 42.Qd8 Kh7 43.Qh4 Rh6 44.Qg3-+) 42.Nd6?? (42.Qd8 Qd8 43.Nd8 Rg2 44.Kh1 Rf2 45.Kg1-+) 42...Rg2 43.Kh1 Rf2 44.Kg1 Rg2 45.Kf1 Bc4! (45...Bc4 46.Re2 Qf3 47.Ke1 Qe2) 0–1. Dubois,Jean Marie (2310) – Levacic,Patrick (2265), FRA–chT, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    8.Bd3 Nf5 9.Be3 Be7 10.0-0 0-0 11.Nc3 Ne3 12.fe3 f5 13.b4 Bd7 14.Rc1 Bg5 (14...Rc8!?=) 15.Ng5+= Qg5 16.Qf3 (16.Rf3 Nd8+-) 16...a6 17.Bc2 (17.Ne2 Rac8+=) 17...Ne7 (17...Rac8 18.Bb3=) 18.Ba4+= Bc6 19.Bc6 Nc6 20.Na4 Qe7 21.Nc5 Rac8 ½–½. Xu,Xianliang (1765) – Miqueu,Eric (2105), 3rd Avoine France, Open, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    8.Be2 Nf5= 9.0-0 (9.Nc3 h5=) 9...Be7 (9...Qb6 10.Bb2=) 10.b4 (10.g4 Nh4 11.Nh4 Bh4=) 10...Bd7 (10...Qb6 11.Bb2=) 11.Bb2 0-0 (11...Qb6 12.Qd3=) 12.Nbd2 Rc8 (12...h5 13.Nb3=) 13.Nb3 b6 (13...a5 14.b5 Na7 15.a4+=) 14.Qd2 a5 15.b5 Na7 16.a4 Bb4 17.Qd3 Rc7 (17...h5!?=) 18.Rac1+- Qb8 19.g4 Ne7 20.Ng5 (20.Rc7 Qc7 21.Rc1 Qb7+-) 20...Ng6 21.f4 (21.Rc7 Qc7 22.Rc1 Qb7+=) 21...h6 (21...Be7 22.Nh7 Kh7 23.f5+-) 22.Nf7+- Kf7 (22...Nf4 23.Nh6 (worse 23.Rf4 Rc1 24.Bc1 Rf7+-) 23...Kh8 24.Rf4 Rf4 25.Qh3+-) 23.f5+= Kg8? (better 23...Nh4!? 24.Qh3 Rc1 25.Bc1 Nf5 26.gf5 ef5+-) 24.fg6+- Rc1 25.Nc1 (25.Rc1 Be8 26.Rf1 Rf1 27.Bf1 Qd8+-) 25...Rf1+- 26.Bf1 (26.Kf1 Qf8 27.Kg2 Be8+-) 26...Qf8 (26...Qd8 27.Qd1+-) 27.Ne2+- Nc8 28.Bg2 (28.Bc1 Be1 29.Nf4 Qb4+-) 28...Ne7+- 29.h4 Be1 (29...h5!? 30.gh5 Nf5+-) 30.h5+- Qf2 31.Kh2 (31.Kh1 Kf8+-) 31...Qh4 (31...Kf8!?+-) 32.Qh3+- Qf2 (32...Kf8 33.Qh4 Bh4 34.Bh3+-) 33.Qf3 Qf3 (33...Be8 34.Qf2 Bf2 35.Nf4+-) 34.Bf3 Bb4 (34...Kf8 35.Kg2+-) 35.Kg2 (35.Bc3 Ba3+-) 35...Kf8 (35...Nc8 36.g5! hg5 37.Bc1+-) 36.Kf2 (36.Bc3 Ba3+-) 36...Ng8 (36...Ke8 37.Bc3 Ba3 38.Ke3+-) 37.Nc1 (37.Nf4 Bd2 38.Nh3 Ne7+-) 37...Ke8 (37...Be7 38.Kg3+-) 38.Ke2 (38.Nd3 Be7+-) 38...Be7 39.Nd3 Kd8 (39...Bc8 40.Bc1+-) 40.Bc1 (40.Nf4 Ke8+-) 40...Ke8 (40...Kc7 41.Nf2+-) 41.Bd2 (41.Nf2 Bc8+-) 41...Kf8 (41...Bc8 42.Be3+-) 42.Nf2 Ke8 (42...Bh4 43.Nh3+-) 43.Nh3 Kf8 (43...Bh4 44.Kd3+-) 44.Kf2 (44.g5 hg5 45.Ng5 Ke8+-) 44...Bh4 (44...Ke8 45.Be2+-) 45.Kg2 Be7 (45...Ke7 46.Be2+-) 46.Be2 Ke8 (46...Ba3 47.Ng1+-) 47.Kg3 (47.Ng1 Kd8+-) 47...Kf8 (47...Bc8 48.Bd3+-) 48.Bd3 (48.Ng1 Ke8+-) 48...Bc8 (48...Ba3 49.Ng1+-) 49.g5 (better 49.Be3+-) 49...hg5? (better 49...Bb4 50.Be3 Bd7+-) 50.Bg5 Bg5 (50...Bd7 51.Kf4+-) 51.Ng5 Nh6 (51...Ke8 52.Kf4+-) 52.Kf4 (52.Nf3 Ke7+-) 52...Ke7 (52...Ng8 53.Nh3+-) 53.Nh3 Kf8 (53...Bb7 54.Kg5+-) 54.Kg5 (54.Nf2 Ke7+-) 54...Ke7 (54...Bd7 55.Nf2+-) 55.Nf2 Bd7 (55...Ke8 56.Ng4 Ng4 57.Kg4+-) 56.Ng4 Nf5 (56...Ng4 57.Kg4 Kf8+-) 57.Bf5 ef5 58.Ne3 f4 1–0. Kuespert,Helmut (1930) – Voelker,Daniel (1680), Oberfraenkische Einzelmeisterschaft, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3 6.cb3 Nc6)

    6.c3 Qb6

    7.Bb2 Nc6 8.a4 Bd7 9.d4 Na5 10.Nbd2 Rc8 11.Bd3 Nc4 12.Bc4 dc4 13.0-0 Ne7 14.Ng5 h6 15.Qh5 g6 16.Qh3 Nd5 17.Nge4 Qd8 (17...Qa5 18.Ba3=) 18.f4 (18.Ba3 Qa5+=) 18...Be7 (18...f5 19.ef6 Nf6 20.Qg3=+) 19.g4 (19.Ba3 Qa5=) 19...a6 (19...f5 20.ef6 Nf6 21.Nf6 Bf6 22.Nc4 Rc4 23.Qd3 Ra4 24.Qg6 Ke7 25.g5=+) 20.a5 (20.Ba3!? h5 21.Be7 Ke7 22.Nd6 hg4 23.Qg4=) 20...b5-/+ 21.ab6 Qb6 22.Ba3 Bb5 (22...b2!? 23.Ra2 Qa5=+) 23.Be7= Ke7 24.Nd6 Rcf8 25.N2e4 (25.N6c4? Qc7 26.Nd6 Bf1 27.Rf1 Qc3 28.Qc3 Nc3 29.Nb3 f6-+) 25...f5 (25...Rb8 26.f5 gf5 27.Qh4 Kd7 28.Nc5 Kc6 29.Nf7=+ (worse 29.Nb5 Kb5 30.gf5 Nc3-/+)) 26.Nc5+= Rfg8 27.Qh4 g5 28.Qh5 Rh7? (28...Be8 29.Nc8 Kd8 30.Nb6 Bh5 31.Nd5 ed5 32.gh5 gf4 33.Kf2 Ke7+-) 29.fg5+- (29.gf5?! ef5 30.fg5 Rg5 31.Qg5 hg5 32.Nc8 Ke8 33.Nb6 Nb6 34.Rf5 Nd5+-; 29.Nb5 b2 (worse 29...ab5 30.gf5 ef5 31.Ra6+-) 30.Ra6 Qa6 31.Na6 Nf4+-) 29...Qc6?? (29...Rhg7 30.Qh6 Bd7 31.Ra6 Qa6 32.Na6 Rg6+-) 30.g6 Nf6 31.Nf5! Kd8 (31...ef5 32.ef6 Double attack (32.gh7 Zwischenzug; 32.ef6 Passed pawn)) 32.ef6 ef5 33.Qf5 Rc7 (33...Rhh8+-) 34.Ne6 (34.Ne6 Qe6 35.Qe6 Rg6 36.Qe4+-) 1–0. Boyarchenko,M (1790) – Batzaya,Y (2035), WYg18 Kemer TUR, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.Bb2 Nc6 8.d4 Na5 9.Nbd2 Bd7 10.a4 Rc8 11.Be2 Ne7-/+ 12.0-0 g6 (12...Ng6 13.Ne1-/+) 13.Kh1 (13.Qb1 Nf5=+) 13...Bg7 (13...Nf5 14.Qb1=+) 14.Qb1 (14.Re1 Nf5=+) 14...0-0 (better 14...f6!?=+) 15.Ba3= Rfe8 16.Bc5 (16.Bb4 Nf5=) 16...Qc7 (16...Rc5 17.dc5 Qc7 18.Re1=) 17.Nb3 Nb3 18.Qb3 b6 (18...Nc6 19.Rfb1 Na5 20.Qa2=) 19.Bb4+= Bc6 (19...Nf5 20.Ba6 Rcd8 21.Rfc1+=) 20.g4 (20.a5 b5+=) 20...Bb7 (20...f6 21.Bd6 Qd7 22.a5+=) 21.Rac1 (better 21.a5!? ba5 22.Bd6+=) 21...Nc6= 22.g5 Nb4 23.Qb4 Bf8 24.Qb2 Qe7 (24...Be7 25.Kg2=) 25.Qd2 (25.Ra1 Bc6=) 25...Qa3=+ Exerts pressure on the backward pawn 26.h4 (26.Kg1 Rc7=+) 26...Rc7 27.Rc2 (27.Ra1 Qc3 28.Qc3 Rc3=+) 27...Rec8-/+ (27...Qa4?! 28.Ra2 Qd7 29.Ra7=) 28.Rfc1 (28.Ra2 Qc3 29.Qc3 Rc3-/+) 28...Qa4 29.Nh2 (29.Rb1 Qd7-/+) 29...Ba3 (29...Qa5 30.Ng4-+) 30.Rg1 (30.Rb1!?-/+) 30...Qb3 (30...b5 31.Ng4-+) 31.Rg3 (31.Ng4 Rc3 32.Rc3 Qc3 (32...Rc3 33.Qf4 Rc7 34.Rg3 Qb1 35.Kg2=) 33.Qc3 Rc3 34.Nf6 Kg7-+) 31...Bb4! 32.Ng4 (32.cb4 Qb1 Double attack (32...Rc2 Pinning; 32...Rc2 Deflection; 32...Qb1 Decoy)) 32...Bc3 33.Rcc3 (33.Nf6 Kh8 34.Qd1 Qb4-+) 33...Rc3 34.Qf4 Qb1 (better 34...Kf8 35.Rc3 Qc3-+ (35...Rc3 36.Qf6 Qb1 37.Kh2=)) 35.Kh2 R3c7 36.h5? (36.Nh6 Kf8 37.Qf6-/+) 36...gh5 (36...Kf8 37.hg6 Qg6 38.Bd3-+) 37.Bd3? (better 37.Nh6!? Kf8 38.Bh5=) 37...Qc1-+ 38.Nf6 Kh8 39.Qh4? (39.Qf3 Rc2! 40.Bc2 Qc2 41.Rh3=) 39...Qd1 40.g6 (40.Qh5 Qh5 41.Nh5 a6-+) 40...fg6 41.Nh7 Rf7 (better 41...Rg7 42.Qf6 Qd3 (42...Kh7?? 43.Rg6 Qh1 44.Kh1 Rc1 45.Rg1 Rg6 46.Qg6 Kh8 47.Qh5) 43.Rd3 Kh7 44.Qe6 b5-/+) 42.Kg2 (42.Nf6 Rc1 43.Bf1 Kg7 44.Nh5 Qh5 45.Qh5 Rf1 46.Rg6 Kf8 47.Qh8 Ke7+-) 42...Qd3! (42...Rh7 43.Qf6 Rg7 44.Bg6=) 43.Rd3 (43.Rd3 Kh7 Combination) 43...Kh7 (43...Rh7?! 44.Qf6 Rg7 45.Qe6=+) 44.Rf3 Rcf8 45.Rf7 Rf7 46.Qd8 Bc6 47.Qd6 (47.Qc8 Bd7 48.Qa6 b5-/+) 47...Bd7 48.Qc7 a5 49.Qb6 a4 50.Qd8 Kg7 (50...g5 51.Kh3 Rg7 52.Qf6-/+) 51.Kg3-/+ ½–½. Devallee,Jeremie (2125) – Passager,Jean_Pierre (2215), Nationale I GrA, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.Bb2 Nc6 8.d4 Na5 9.Nbd2 Bd7 10.c4 dc4 11.Nc4 Nc4 12.Bc4 Ne7 13.0-0 Bc6 14.Nd2 Nf5 15.Qb3 (worse 15.Nb3 Bg2 16.Kg2 Qc6 17.d5 Qc4-/+) 15...Qb3 16.Nb3 (worse 16.Bb3 Rd8-/+) 16...Be7 17.Na5 0-0 (17...Bd7!?=) 18.Nc6+= bc6 19.g4 Nh4 20.f4 g6 21.Bc3 Rfd8 22.Kf2 g5 (22...h5 23.h3 c5 24.dc5 Rac8+=) 23.Rfb1 (23.fg5 Rab8+-) 23...Rdb8 (better 23...gf4!? 24.Rb7 Ng6=) 24.fg5 Bg5 (24...Rb1 25.Rb1 Ba3 26.Ba6+-) 25.Rb8 (25.Bb4 Bf4+-) 25...Rb8 26.Bb4 Ng6 27.Ra2 Bd8 28.Ke3 a5 29.Bc3 (29.Bd6 Bg5 30.Kf3 Rb1+-) 29...Bg5 (29...Ne7 30.Rc2+=) 30.Ke4+- a4 31.Rb2 Rb2 32.Bb2 Ne7 33.Kd3 Bf4 34.h3 Kg7 35.Kc3 c5 36.Kc2 (better 36.dc5!? Be5 37.Kc2 Bb2 38.Kb2+-) 36...cd4= 37.Bd4 Nc6 38.Kc3 (38.Bc5 Ne5 39.Bb5 f5 40.gf5 ef5 41.Ba4 Kf6=) 38...Ne5 (38...Be5 39.Be5 Ne5 40.Bb5=) 39.Be5 (39.Bb5 Kg6+=) 39...Be5= 40.Kb4 Kg6 41.Ka4 Kg5 42.Kb5 Kh4 43.Bf1 f5 44.gf5 ef5 45.Kc5 Kg3 46.Bd3 (46.a4 Bc3=) 46...f4=+ 47.Bh7 (47.a4=+) 47...Kh3 (better 47...f3!?-/+) 48.Be4= Kg3 ½–½. Von Amerongen,M – Rozenfeld,Tatiana (2085), BL2–West, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.Bb2 Nc6 8.d4 Bd7 9.Nbd2 Na5 10.a4 Rc8 11.Bd3 Nh6 12.0-0-/+ Be7 13.Qe2 0-0 (13...Nf5 14.c4 Nc4 15.Nc4 dc4 16.Bc4-/+) 14.c4-/+ dc4 15.Nc4 Nc4 16.Bc4 Bc6 (16...Nf5 17.Rfc1-/+) 17.a5 (17.Nd2 Nf5 18.Nb3 Be4=+) 17...Qc7 (17...Qb4 18.Nd2 Nf5 19.Ba3-/+) 18.Rfc1 a6 (better 18...Qd7!?=+) 19.d5+= ed5 20.Bd5 (20.Bb3 Qd7 21.Nd4+=) 20...Qd7 (better 20...Bd5!? 21.Rc7 Rc7=) 21.Bb3+- Qg4 22.Kh1 (22.e6 Bf3 23.Qf3 Qf3 24.gf3 Rc6+-) 22...Nf5 23.Rc4 Qg6 24.h3 (better 24.Rf4!?+=) 24...Bb5-/+ 25.Qe4?? (better 25.Rac1-/+) 25...Bc4-+ 26.Bc4 (26.Bc2 Bd5! 27.Qd5 Rc2 28.Bd4 Nd4 29.Nd4 Rf2 30.Rg1-+) 26…Ng3! (26...Ng3 27.fg3 Qe4-+) 0–1. Palii,Alex (1805) – Paraschiv,Paul_Alexandru (2005), Campionatul National de sah al Romaniei, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    7.Bb2 Nc6 8.d4 f6 9.Bd3 (9.ef6 Nf6 10.Nbd2 e5=) 9...fe5=+ 10.de5 (10.Ne5 Ne5 11.de5 Nh6=+) 10...Nh6 11.0-0 Nf7 (11...Bc5 12.c4=+) 12.Qe2 (12.c4 dc4 13.Bc4 g5=) 12...Bd7 13.Nbd2 Bc5 14.h3 (14.c4 d4=) 14...0-0=+ 15.c4 Nd4 (15...d4!?=+) 16.Nd4 (16.Bh7!? Kh8 17.Bd4 Bd4 18.Rab1+= (18.Nd4?! Qd4 19.Bd3 Qe5=)) 16...Bd4= 17.Bh7 Kh8 18.c5 (18.Bd4 Qd4 19.Bd3 Qe5 20.Nb3 Rac8=) 18...Bc5=+ 19.Bd3 Nh6 20.Nf3 (20.Rac1 Ba4=+) 20...Rac8 21.Bc1 (21.Rac1 Kg8=+) 21...Nf5-/+ 22.Ng5? (22.Bf4 Kg8-/+) 22...g6?? (22...Ng3 23.Qg4 Rf2 24.Qh4 Kg8 25.Bh7 Kf8 26.Qg3 Rf5 27.Be3 Be3 28.Kh1-+) 23.Rb1? (better 23.Qd2-/+) 23...Ng3-+ 24.Qd2 (24.Qg4 Bf2 25.Rf2 Qf2 26.Kh2-+) 24...Nf1 25.Nf7 Kg8 (25...Rf7 26.Qh6 Kg8 27.Bf1 Bf2 28.Kh1-+) 26.Nh6 (26.Kf1 Rf7 27.f3-+) 26...Kh8 (26...Kh7!? 27.Qd1 Rf2 28.Kh1 Ng3 29.Kh2-+) 27.Nf7 Rf7 28.Qh6 Kg8 29.Kf1 (29.Bf1 Bf2 30.Kh1 Qd4 31.Qg6 Rg7-+) 29...Rf2 (better 29...Bb5 30.Rb3 Bd3 31.Rd3-+) 30.Ke1 (30.Kg1 Rd2 31.Kf1 Rf8 (31...Rd3?! 32.Qg6 Kh8 33.Qh6 Kg8 34.Qg6 Kh8 35.Qh6 Kg8 36.Qg6=) 32.Qf8 Bf8 33.Bd2 Qd4-+) 30...Rg2 31.Bg6 (31.Kf1 Rg1 32.Ke2-+) 31...Bb4! 32.ab4 (32.ab4 Qg1) 32…Qg1 0–1. Feduk,Ir (1945) – Yushko,O (2110), ch–UKR w Evpatoria UKR, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 b3)

    5.e5 Nc6

    6.ab4 a6 7.b5 Nce7 (7...Na5 8.Be2+=) 8.d4 Qb6 9.Ba3 Ng6 10.Bf8 Nf8 11.Bd3 Bd7 12.ba6 ba6 13.0-0 Ne7 14.Nbd2 Nfg6 15.g3 (15.c4 Nf4 16.c5 Qb7+=) 15...0-0 16.Qe2 (16.c4 f6+=) 16...Bb5 17.Rfb1 (17.c4 dc4 18.Nc4 Bc4 19.Bc4 a5=) 17...Rab8 (17...Qc6 18.c4 dc4 19.Nc4=) 18.Bb5 ab5 19.Nb3 Ra8 20.Nc5 Exerts pressure on the isolated pawn 20...Ra1 21.Ra1 Rd8 (21...Nc6 22.Nd7 Nd4 23.Nd4 (worse 23.Nb6 Ne2 24.Kf1 Nc3-/+) 23...Qd4 24.Rd1+=) 22.Ra6 Qb8 23.Ra5 b4 24.Rb5 (24.Na6 Qc8 25.Rc5 Qa8+-) 24...Qa7= 25.Kg2 (25.Rb7 Qa3=) 25...Rb8 (25...Nc6 26.c3 bc3 27.Qd3=) 26.Rb8 (26.Na6 Rc8 27.Nb4+- (27.Rb4?! Rc4 28.Nd2 Rb4 29.Nb4 Qd4=+)) 26...Qb8= 27.Qa6 h6 (27...Qc7 28.Qd6 Qc8 29.Nd3=) 28.Nd2 (28.Qa4 Nf5+-) 28...Qc7 29.Ndb3 Nc6 30.Nb7 (30.Qb7 Qb7 31.Nb7 f6+=) 30...Nge7 (30...f6 31.ef6 gf6 32.N7c5=) 31.Nd6 Qa7 (31...Nd8 32.Qa5 Qa5 33.Na5=) 32.Qd3 (32.Qa7 Na7 33.Kf3 Nec8+=) 32...Nf5 Increases the pressure on d4 (32...Qc7 33.c3=) 33.Nb5 (33.Nf5 ef5 34.c3 bc3 35.Qc3 Qa4=) 33...Qe7= 34.f4 g5 35.Qd2 (35.fg5 Qg5 36.c3 f6 37.ef6 bc3 38.Qc3 Qf6=) 35...gf4 36.Qf4 Qg5 37.Qg5 hg5 ½–½. Calvi,Stefan (1990) – Koch,Thomas (2425), Frankfurt–ch, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    6.ab4 f6 7.b5 Ne5 8.Ne5 fe5 9.Qh5 g6 10.Qe5 Nf6 11.Ba3 Ba3 (11...Bg7 12.c3=) 12.Ra3+= 0-0 13.Be2 Ne4 14.Rf3 (14.f3 Nd6+=) 14...Rf3 15.Bf3 Qd6 16.Qd4 (16.Qb2 Ng5 17.Be2 e5=) 16...Ng5=+ 17.Be2 e5 18.Qe3 Ne6 19.0-0 Nd4 20.Bd3 Nf5 21.Bf5 Bf5 (worse 21...gf5 22.Qg3 Kf7 23.Re1+-) 22.d4 (22.Rc1 d4 23.Qb3 Be6=+) 22...ed4=+ 23.Qd4 Bc2 24.Nc3 Attacks the isolani on d5 24...Rd8 (24...Bb3 25.Re1 Qb6 26.Qh4=+) 25.Rc1 (25.Qa7 b6=) 25...Bb3 (25...Qe6 26.Qa7 d4 27.Nb1=+ (27.Qb7? dc3 28.Qf3 Bd3-+)) 26.Rb1 (26.Qa7!? b6 27.Ne2=) 26...Qe6 27.h4 (27.h3 Bc4=+) 27...Bc4-/+ 28.Rd1 (28.h5 Qb6 29.Qb6 ab6 30.hg6 hg6-/+) 28...a6 29.ba6 ba6 30.Ne4 Rf8 (30...Qe4 31.Qe4 de4 32.Rd8 Kf7 33.Rd7 Kf6 34.Rh7+-) 31.Ng5 Qe2 32.Rb1 Qe7 33.Qb6 Rf6 (better 33...Re8!?-/+) 34.Qb8= Kg7?? (34...Rf8 35.Qb6 Re8-/+) 35.Rb7+- Rf7 36.Nf7 Qe1 (36...Kf7 37.Re7 Ke7+-) 37.Kh2 d4 (37...g5 38.Ne5 Kf6 39.Rf7 Ke6 40.Qe8 Kd6 41.Qe7) 38.Ng5 (38.Qh8) 38...Kf6 (38...Qe7 39.Re7 Bf7 40.Rf7 Kh6 41.Rh7) 39.Qf4 1–0. Frohberg,Marco (2270) – Giemsa,Stephan (2310), BL2–N9798 Germany, 1997.

    6.ab4 f6 7.b5 Ne5=+ 8.Ne5 fe5 9.Qh5 g6 10.Qe5 Nf6 11.d4 (11.Bb2 Bg7 12.Qg5 0-0=+) 11...Bg7 (better 11...Bd6!? 12.Qg5 0-0-/+) 12.Ba3= Nh5 (12...Qd7 13.Qe3 Ng4 14.Qd3=) 13.Qe3 Qc7 (13...Kf7 14.Nc3 Re8 15.0-0-0=+) 14.Nd2 (14.Nc3 Kf7+=) 14...Bf8 (14...e5!?=) 15.Bf8+- Rf8 16.g3 (16.Bd3 Qf4+=) 16...Bd7 (16...Kf7 17.Bd3+-) 17.Bd3 Nf6 (17...Kf7!?+-) 18.0-0+- Qb6 (18...Kf7 19.Nf3 Kg8 20.Ne5+-) 19.Nf3 (19.h3 Kf7 20.c4 dc4 21.Nc4 Qc7+-) 19...Ng4 (19...Kf7 20.Ne5 Kg8 21.Rfb1+-) 20.Qe2 0-0-0 21.Ne5 (21.Ra4 Kb8+-) 21...h5 (21...Ne5 22.Qe5 (22.de5?! Kb8+=) 22...Qc7 23.Qe3+- (worse 23.Ra7 Qe5 24.de5 Kc7+-)) 22.Ra4 (22.Ng6 Qd4 23.c3 Qc5+-) 22...Ne5 (22...g5 23.Ng4 hg4 24.Qg4+-) 23.Qe5 (23.de5?! Be8+-) 23...a6? (better 23...h4+-) 24.Ra3 Bb5 (24...Qc7 25.Qe1 Qd6 26.Qc3 Kb8 27.ba6+-) 25.Bb5 ab5 (25...Qd6 26.Rc3 Kb8 27.Bd3+-) 26.Rc3 (better 26.Qg7 Qa6 27.Rfa1 Rf7 28.Qf7 Qa3 29.Ra3 Kb8 30.Qf4 Kc8 31.Rc3 Kd7 32.Qf7 Kd6 33.Qc7) 26...Kd7 27.Qg7 Kd6 28.Re1 Rf5 (28...Rfe8+-) 29.Re6!! Ke6 (29...Ke6 30.Re3) 30.Re3 Kd6 (30...Re5 31.Re5 Kd6 32.Qe7 Kc6 33.Re6 Rd6 34.Rd6) 31.Qe7 Kc6 32.Re6 (32.Re6 Rd6 33.Rd6) 1–0. Messina,Enrico (2200) – Pisacane,Pietro (2190), 10th Hotel Adriatico, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    6.ab4 f6 7.Bb5 Bb4 (worse 7...fe5 8.Ne5 Qd6 9.f4+=) 8.0-0 Nge7= (worse 8...fe5 9.Ne5 Qc7 10.Qh5 g6 11.Ng6+=).

    6.d4 f5 7.Bd3 Nh6 A1) 8.0-0 Be7 (8...Bd7 9.c3 a5 10.Bg5 Qb8 11.h3 Nf7 12.Bh4 h6 13.ab4 ab4; 8...a5 9.c3 Bd7 10.Bg5 Qb8 11.h3 Nf7 12.Bh4 h6 13.ab4 ab4; 8...Qb6 9.ab4 Bb4 10.c3 Be7 11.Na3 Nf7 12.Nb5 0-0 13.Ba3 Bd7; 8...Nf7 9.c3 bc3 10.Nc3 Be7 11.h3 0-0 12.Qb3 Na5 13.Qb2 Qb6) 9.ab4 Nb4 10.Bh6 gh6 11.Nc3 0-0 12.Qd2 Bd7 13.Qh6 Rc8; A2) 8.c3 bc3 (8...Qa5 9.0-0 bc3 10.Qb3 c2 11.Nc3 Be7 12.Qc2 0-0 13.Bd2 a6; 8...ba3 9.Na3 Nf7 10.0-0 Be7 11.Be3 0-0 12.h3 Bd7 13.Qd2 a6; 8...b3 9.Nbd2 Be7 10.0-0 0-0 11.Nb3 Nf7 12.h3 Bd7 13.Bf4 Na5) 9.Nc3 Be7 10.0-0 Nf7 11.Qb3 0-0 12.Rb1 g5 13.Ne2 g4; B) 7...Qb6= 8.0-0 (8.ab4 Bb4 9.c3 Ba5 10.0-0 Nge7 11.Qc2 Bd7 12.Ba3 0-0 13.Nbd2 Qd8) 8...Nh6 (8...Bd7 9.ab4 Nd4 10.c3 Nf3 11.Qf3 Ne7 12.Be3 Qc7 13.Qg3 Kf7) 9.ab4 Bb4 10.c3 Be7 11.Na3 Nf7 12.Qc2 0-0 13.Bf4 a6.

    6.d4 f5 7.Be2 A) 7...Nh6 A1) 8.c3 bc3 (8...Qa5 9.0-0 bc3 10.Qb3 Be7 11.Nc3 0-0 12.Bh6 gh6 13.Nb5 Qb6) 9.Nc3 Be7 10.0-0 Nf7 11.h3 0-0 12.Bf4 Bd7 13.Qd3 Na5; A2) 8.0-0 Bd7 (8...Be7 9.ab4 Nb4 10.c4 Bd7 11.Qb3 0-0 12.Nc3 Bc6 13.Bh6 gh6; 8...Qa5 9.c3 bc3 10.Qb3 Qb6 11.Qb6 ab6 12.Nc3 Kf7 13.Rb1 Be7; 8...Nf7 9.c3 bc3 10.Nc3 Be7 11.Bd2 0-0 12.Qc2 g5 13.Qd3 g4) 9.c3 a5 10.c4 Qb6 11.cd5 ed5 12.ab4 Bb4 13.Qd3 Be7; B) 7...Be7 B1) 8.c3 bc3 (8...ba3 9.Na3 Nh6 10.0-0 0-0 11.Bh6 gh6 12.c4 dc4 13.Bc4 Na5; 8...Qa5 9.0-0 Nh6 10.cb4 Bb4 11.Qb3 Be7 12.Nc3 0-0 13.Bh6 gh6; 8...Nh6 9.ab4 0-0 10.0-0 Bd7 11.Bh6 gh6 12.b5 Na5 13.Nbd2 Rc8) 9.Nc3 Nh6 10.0-0 Nf7 11.Qb3 0-0 12.h3 Na5 13.Qb2 Nc4; B2) 8.0-0 Qa5 (8...Bd7 9.ab4 Bb4 10.Bd2 Nge7 11.Na3 0-0 12.c3 Ba3 13.Ra3 Na5; 8...Nh6 9.ab4 Bb4 10.c3 Be7 11.c4 Nb4 12.Nc3 0-0 13.Qb3 a5) 9.c3 Nh6 10.cb4 Bb4 11.Qb3 Be7 12.Bh6 gh6 13.Nc3 0-0; C) 7...Qb6 C1) 8.h3 Nh6 (8...Bd7 9.0-0 Nh6 10.c4 dc4 11.ab4 Nb4 12.Bc4 Be7 13.Nc3 Rc8; 8...Be7 9.0-0 g5 10.Bg5 Bg5 11.Ng5 Qd4 12.Nd2 Ne5 13.ab4 Nf6; 8...a5 9.0-0 Nh6 10.c4 Bd7 11.Be3 Be7 12.cd5 ed5 13.ab4 Nb4; 8...a6 9.0-0 Nh6 10.ab4 Bb4 11.c3 Be7 12.c4 dc4 13.Bc4 Nf7) 9.0-0 Bd7 10.c4 dc4 11.ab4 Nb4 12.Bc4 Be7 13.Nc3 Rc8; C2) 8.g3 Nh6 (8...Bd7 9.0-0 Nh6 10.c4 dc4 11.d5 Na5 12.Be3 Qb5 13.ab4 Bb4) 9.0-0 Bd7 10.c4 dc4 11.d5 Na5 12.ab4 Bb4 13.Be3 Qb5; C3) 8.0-0 Bd7 (8...Nh6 9.ab4 Bb4 10.c3 Be7 11.c4 dc4 12.Bc4 Nf7 13.Ba3 Ba3; 8...Rb8 9.ab4 Bb4 10.c3 Ba5 11.Qc2 Nge7 12.Nbd2 Qd8 13.Nb3 Bb6) 9.c4 dc4 10.ab4 Nb4 11.Bc4 Rc8 12.Qb3 Ne7 13.Nc3 Qc6.

    6.ab4 Bb4

    7.Ba3 Ba3 8.Na3 a6 9.Nb5 f6 10.Nd6 (10.Nbd4 Nge7 11.ef6 gf6 12.Nc6 Nc6=+) 10...Kf8-/+ 11.Nc8 Rc8 12.ef6 Qf6 13.Be2 Nge7 14.0-0 g6 15.Rb1 (15.c3 Kg7=+) 15...Rc7-/+ 16.Re1 (16.d4 Kg7=+) 16...e5 17.c4 (better 17.d3!?-/+) 17...e4-+ 18.cd5 ef3 19.dc6? (19.Bf3 Nd4 20.d6 Qd6 21.Bb7-+) 19...fe2 20.Qe2 Nc6 21.Qc4 Rf7 22.f3 Qd4 23.Qd4 Nd4 24.Re4 Nf5 (24...Rd7 25.Rb4 Nc6 26.Rb2-+) 25.Reb4 b5 26.Ra1 Rf6 27.Rf4 Kg7 28.g4 Ne7 (better 28...Nh4 29.Rf6 Kf6 30.Ra6 Ke5 31.Ra3-+) 29.Rf6 Kf6 30.Ra6 Kf7 31.Rb6 Rd8 32.Rb5 Rd2 33.h4 Rd5 (33...Nc6 34.h5-+) 34.Rb7 h5 35.Kg2 Ke6 36.Kg3 Rd7?? (better 36...Nc6-+) 37.Rd7= Kd7 38.gh5 gh5 39.Kf4 Ke6 40.Kg5 Ng8 41.Kh5 Kf5 ½–½. Seyfutdinov,Rustam (1695) – Zhdanov,Konstantin, Zavolje, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    7.Ba3 Ba3 8.Na3 Nge7 9.Nb5 0-0 10.d4 Nf5 11.Qd2 (11.Bd3 f6=+) 11...Bd7 12.h4 (12.Bd3!?=+) 12...a6-/+ 13.Na3 f6 14.g4 (14.ef6 Qf6 15.c3 Nd6-/+) 14...Nh6-+ 15.g5 fe5 16.Ne5 Ne5 17.de5 Ng4 18.f4 Qc7 19.Qd4? (better 19.Rb1!?-/+) 19...Rf4!-+ 20.Qf4 Qc3 21.Ke2 Qa1 22.Qg4 Qa3 23.Kd2 (23.g6 Rc8 24.gh7 Kh8-+) 23...Qa5 24.Kd1 Qa1 25.Kd2 Rf8 26.Qg2 (26.Qg1-+) 26...Qd4 27.Ke1 Rf5 (better 27...Qe3 28.Qe2 Qg3 29.Kd1-+) 28.Bd3 Qe3 (28...Qe3 29.Qe2 Qc1 30.Qd1 Re5 31.Be2 Qe3-+) 0–1. Cutinelli,G – Monteleone,Antonio (2195), Rome op1, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    7.c3 Bc5 8.d4 Bb6 9.Na3 Nge7 10.Nb5 0-0 11.Bd3=+.

    7.c3 Bc5 8.d4 Bb6 9.Na3 Nge7 10.Bd3 0-0 11.Bh7! Kh7 12.Ng5 Kg6 13.h4 Qe8 14.Nb5 (better 14.Qg4 Nf5 15.h5 Kh6 16.Ne4 Kh7 17.h6+-) 14...Ne5 15.Nd6 Qc6 16.Qc2 Nd3 17.Qd3 f5 18.h5 Kh6 19.Ngf7 (19.Ne6 f4 20.Nf8 Qd6 21.Qh7 Kg5 22.Qg7 Ng6 23.Nh7 Kg4 24.Nf6 Kf5 25.Qg6 Ke6 26.Ne4 Ke7 27.Qd6 Kf7 28.Ng5 Ke8 29.Ba3 Bd8 30.Qe5 Kd7 31.Qd5 Ke8 32.Qf7) 19...Kh7 20.h6 g6 (20...g5 21.Ng5 Kh8 22.Ndf7 Rf7 23.Nf7 Kh7 24.Ng5 Kh8+-) 21.Ng5 Kh8 22.Ndf7 Rf7 23.Nf7 Kh7 24.Ng5 Kh8 25.Bf4 Bc7 26.h7 Bd7 27.Nf7 Kg7 28.Ne5 Qb5 (28...Be5 29.Ra7 Rf8 30.h8Q Rh8 31.Be5 Kf7 32.Rh8 Qb6 33.Rh7 Ke8 34.Ra8 Nc8+-) 29.Qh3 (29.Qh3 Qe2 30.Ke2 Bb5 31.Kd2 Be5 32.h8Q Rh8 33.Qh8 Kf7 34.Rh7 Bg7 35.Qg7 Ke8 36.Qe7) 1–0. Corbin,Ph (2175) – Gebregziabher,B (2070), 38th Olympiad, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    7.c3 Bc5 8.d4 Bb6 9.Na3 Nge7 10.Bd3 Bd7 11.Nb5 Bc7 12.Nc7 Qc7 13.Ba3 h6 (13...Na5 14.Qc2=) 14.Bd6 Qd8 15.0-0 0-0 (15...Nc8 16.Ba3=) 16.Bc2 (16.Qb3 b6=) 16...Re8 17.Nh4 Nf5 (17...b6 18.Qd3 g6 19.Qe3=) 18.Nf5+= ef5 19.Qf3 Ne7 (19...Be6 20.Bf5 Bf5 21.Qf5+=) 20.Ra3 (20.Be7 Re7 21.Qd5 Qc8+-) 20...Be6+= 21.Rd1 (21.Ba4 Bd7+=) 21...Nc8= 22.Bc5 (22.Bb4 a5 23.c4 Ra7=) 22...Nb6 (22...b6!? 23.Bb4 a5=) 23.Bd3 Qd7 (23...Nc8+=) 24.h3 (24.Rda1 Nc8+=) 24...Red8 (24...Na4!?=+) 25.Rb1 (better 25.Bb6 ab6 26.Rb3+=) 25...Qc7? (25...Nc8!?=) 26.Rab3 (26.Ra7 Ra7 27.Bb6 Qb8 28.Ba7 Qa7 29.Bf5 Bf5 30.Qf5 b6+-) 26...g6 (26...Qc8 27.Bb6 ab6 28.Bb5+=) 27.Bf1 Rdc8 28.Qf4 (28.Ra3 Nd7 29.Bd6 Qc6+-) 28...Kg7+= 29.Qh4 g5 30.Qh5 (worse 30.Bb6 gh4 31.Bc7 Rc7 32.Rb7 Rc3=) 30...Qd7 31.f4 gf4 32.Qf3 Qd8 33.Qf4 (33.Bb6!? ab6 34.Rb6+-) 33...Qg5+= 34.Qf2 f4 35.Kh1 (35.Bb6 ab6 36.Kh2 Bf5+=) 35...Bf5 (35...Na4 36.Rb7 Nc3 37.Rc1=+) 36.Re1 (36.Ra1 Qg3 37.Qg3 fg3=) 36...Be4 37.Be2 (37.Ra3=) 37...Kg6 (37...Na4!? 38.Rb7 Nc5 39.dc5 Re8=+) 38.Bf3 (better 38.Bg4 f5 39.ef6+=) 38...Qf5?? (better 38...Bf3 39.gf3 Kh7+=) 39.Bg4+- Qg5 40.Bf3 (40.Bc8 Rc8 41.Bb6 ab6 42.Rb6 Kg7+-) 40...Qf5 41.Be7 (better 41.Bb6 Bf3 42.Qf3 ab6 43.Qd5+-) 41...h5 42.Qh4 Bc2?? (better 42...Bf3!? 43.gf3 Kh6+=) 43.Rb2 (better 43.Bg4!? hg4 44.hg4 Rh8 45.gf5 Kf5=) 43...Rc3 44.e6?? (44.Bg4 hg4 45.hg4 Qe6 46.Qg5 Kh7+-) 44...fe6?? (44...Be4 45.Rf2 Bf3+- (45...fe6?? 46.Be4 de4 47.Rf4+-)) 45.Re5+- Qe5 (45...Kg7 46.Rf5 Bf5 47.Bf6 Kf8 48.Qh5 Rc1 49.Kh2 Rh1 50.Kh1 Bh7 51.Qh6 Ke8 52.Qg7 Nc8 53.Bh5 Bg6 54.Bg6) 46.de5 Bf5 (46...Rg8+-) 47.Qf6 Kh7 48.Qf7 Kh6 49.Bf6 (49.Bf6 Rc1 50.Kh2 Rh1 51.Kh1 Bh3 52.Qh5; 49.Bg5 Kg5 50.Qf6) 1–0. Kaczmarek,Ale (2360) – Koloczek,Maciej (1725), 5th Poland–HUN Open, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    7.c3 Bc5 8.d4 Bb6 9.Na3 f6 10.Bd3 (10.Nb5 Bc7=) 10...f5 (better 10...fe5!? 11.de5 Nge7=+) 11.Nb5= Bc7 12.Ba3 Nge7 13.Bd6 Bb6 14.Be7 Ne7 (14...Ke7 15.Qb3=) 15.Nd6 Kf8 16.Ng5 Qc7 17.0-0 h6 (17...Qc3 18.Qh5 Ng6 19.Nh7 Ke7 20.Qg6+-) 18.Ngf7 (18.Qh5 g6 19.Qh4 Ng8+= (19...Qc3?? 20.Ne6 Kg8 21.Qf6 Be6 22.Qe6 Kg7 23.Qf7)) 18...Rh7+= 19.Rc1 (19.Nb5 Qd7 20.Nfd6 g6+=) 19...g6= 20.Qd2 (20.Nb5 Qc6 21.Nfd6 a6=) 20...g5 (better 20...Rf7 21.Nf7 Kf7 22.Qh6 Qc6=+) 21.Qe2?? (better 21.Nb5 Qb8 22.Nfd6=) 21...Rf7-+ 22.Nf7 Kf7 23.Qh5 Kg7 24.f4 gf4 25.Rf4 Ng6 26.Rf3?? (better 26.Rg4 Qf7 27.Rg3-+) 26...Bd4! 27.Kh1 (27.cd4 Qc1 Pinning (27...Qc1 Deflection)) 27...Be5 (27...Ne5?! 28.Rg3 Kh7 29.Qe8-/+) 28.g4 (28.Rh3 Bf4 29.Rf1 Bg5-+) 28...Nf4 29.Qh4 Nd3 30.Rd3 Bf6 31.Qh3 Qf4 32.Rg1 Qe4 33.Rf3 Bg5 (better 33...f4!? 34.Qg2-+) 34.gf5 ef5 35.Qg3 Kf7 36.Re1 Qa4 (36...Qc4 37.Qh3 Qh4 38.Qf1-+) 37.Qh3 (37.Qc7 Qd7 38.Qe5 Qc6-+) 37...Qh4 38.Qf1 f4 39.Re5 Bd7 (39...Bg4 40.Rd3-+) 40.Qb1 (40.c4 Kf6 41.Qa1 d4 (41...dc4?! 42.Rd5 Kg6 43.Rd7=+) 42.Qd4 Bc6 43.Rd5 Kf7-+) 40...Kf6 41.Re1 (41.Ree3 Bf5 42.Qf1 fe3 43.Rf5 Ke6-+) 41…Bf5 (41...Bf5 42.Qd1 Kg6-+) 0–1. Schmitt,T – Scherer,Max, Giessen op, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.a3 Nc6 5.b4 cb4 6.ab4 Bb4)

    7.c3 Ba5

    8.Ba3 Nge7 9.Bb5 a6 (9...Bd7!?-/+) 10.Be7= Ke7 11.Bc6 bc6 12.Qa4 Bb6 13.Qc6 Bd7 14.Qd6 Ke8 15.Qb4 Qc7 16.0-0 Qc5 (16...Rb8 17.Qh4= (17.Ra6? Bf2 18.Kf2 Rb4 19.cb4 Qb7-+)) 17.Qg4 Kf8 18.Na3 h6 19.c4 dc4 (19...h5!? 20.Qf4 Rh6+/-) 20.Nc4+/- Bb5 21.Nb6 Qb6 22.Rfb1 Rd8 23.Rb4 Kg8 24.h4 Qc5 25.h5 (25.Rab1 h5 26.Qf4 Rh6+/-) 25...Bd3 (25...Bc6 26.Qf4+=) 26.Rb7+/- Qc6 27.Qb4 Rd7 28.Rd7 Qd7 29.Qd6 Attacking the isolated pawn on a6 29...Qb5 30.Rc1 Be4 31.Nd4 Qb2 32.Rc7 Qb1? (32...Bd5 33.Qe7 Kh7 34.Qf7 Rg8 35.Qg6 Kh8+/-) 33.Kh2 Qf1 (33...Qd1 34.f3 Bd5 35.Nf5+-) 34.f3 Qe1 35.Qe7 (35.fe4?! Qh4 36.Kg1 Qe1 37.Kh2 Qh4 38.Kg1 Qe1 39.Kh2=) 35...Kh7 36.fe4 Qe4 37.Nf3 Qf4 38.Kg1 (better is 38.Kh3 a5 39.Qf7 Qf7 40.Rf7 Ra8+-) 38...Rb8 (38...Ra8+-) 39.Qf7 Qg3 40.Qg6! Qg6 41.hg6 Kg6 42.Rc6 (42.Re7!? Ra8 43.Nd4 a5 44.Ne6 a4 45.Rg7 Kf5+-) 42...Ra8 43.Re6 (43.Re6 Kh7 44.Nd4+-) 1–0. Mashkov,Sergey (2205) – Krivochkin,Ilya (1945), Vladimir Dvorkovich Mem, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    8.Bb5 Nge7 9.Qa4 Bb6 10.0-0 Bd7 11.Qg4 Nf5 (11...Ng6 12.Bc6 Bc6 13.d3-/+) 12.Na3 Qc7 13.d4 Na5 14.Bb2 0-0 (14...Nb3 15.Rab1-/+) 15.Bd3=+ f6 16.Qh3 fe5 17.de5 (17.Ne5 Nc6 18.Nb5 Qd8=) 17...Nc4 (17...Nb3!? 18.Rad1 Nc5-/+) 18.Nc4=+ dc4 19.Bc2 Bc6 (better 19...Bc5!?=+) 20.Ng5+= h6 21.Ne6 Qe5 22.Nf8 Rf8 23.Kh1 (23.Ba3 Nd6 24.Kh1+=) 23...Qe2 (23...Ne7!?=) 24.Bf5+- Qb2 25.Rae1 (better 25.Be6 Kh8 26.Bc4+-) 25...a5? (25...Qb5 26.Be6 Kh8 27.Qg3+-) 26.Be6 (26.Rb1 Qe2 27.Be6 Kh8 28.f3+=) 26...Kh8+- 27.Bc4 Bd8 (27...Qd2 28.Re2 Qf4 29.Bd3+-) 28.Re6 Bf6?? (better 28...Bg5 29.Re5 Bd2+-) 29.Rf6! Rf6 (29...Rf6 30.Qc8 Pinning; 29...gf6 30.Qh6) 30.Qc8 Kh7 (30...Rf8 31.Qf8 Kh7 32.Bd3 g6 33.Qf7 Kh8 34.Bg6 Bg2 35.Kg2 Qf2 36.Kf2 b5 37.Qf8) 31.Bg8 (31.Bg8 Kh8 32.Bf7 Be8 33.Qe8 Kh7 34.Qg8) 1–0. Schmedders,Hans Gerd (2295) – Busse,Klaus (2190), NRW–Liga II, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 a6 9.Bd3 b5 10.0-0 h6 11.Be3 (11.Qc2 Ra7=) 11...Nge7=+ 12.Qd2 (12.Qc2 0-0=+) 12...b4 (12...Nf5 13.Rc1-/+) 13.cb4=+ Bb4 (13...Nb4 14.Nc3=+) 14.Qe2 (14.Nc3 Rb8=) 14...a5 (14...0-0 15.Rc1=) 15.Nbd2 (15.Rc1 0-0=) 15...0-0=+ 16.Nb3 Nf5 17.Bf5 ef5 18.Rfc1 Qb6 (18...Qd7 19.Nc5 Bc5 20.Rc5=) 19.Nc5 (19.Qc2 a4 20.Nc5 a3=+) 19...Be6 20.h4 (20.Rab1 Rfc8=+) 20...Rfc8 (better 20...Bc5 21.dc5 Qc7-/+) 21.Ne1? (21.Rab1 Rab8=+) 21...Nd4 (better 21...f4!? 22.Na4 A) 22...Nd4 A1) 23.Nb6?? Ne2 24.Kf1 Nc1 (24...Rc1?! 25.Bc1 Ra6 26.Ke2 Rb6 27.Nd3-+) 25.Bc1 Bc3-+; A2) 23.Qb2 Qd8 24.Bd4+/-; B) 22...Qa6 23.Qa6 Ra6 24.Bf4 Nd4 25.Rc8 Bc8-+) 22.Bd4=+ Bc5 (better 22...Rc5 23.Bc5 Bc5=+) 23.Bc5?? (better 23.Rc5 Rc5 24.Qe3+/-) 23...Rc5-+ 24.Rcb1 (24.Rc5 Qc5 25.Qd1 Qb5-+) 24...Qc7 25.Nd3 (25.Qd1 Rc4 (25...Qe5?! 26.Nd3 Qd4 27.Nc5 Qc5 28.Rc1=) 26.Nf3 a4-+) 25...Rc2 (25...Rc4 26.h5-+) 26.Qe3 (26.Qd1 d4-+) 26...a4 27.Ra3 (27.Nf4 Rc4-+) 27...Rc3 28.Rba1 (28.Rc1 Rc1 29.Qc1 Qc1 30.Nc1 Rb8-+) 28...Qc4 29.Qd2 (29.Rc3 Qc3 30.Rc1 Qa5-+) 29...Ra3 30.Ra3 Qh4 (30...Rb8 31.Nb2 Qc5 32.Ra4-+) 31.Nf4 (31.f4 Qd8-+) 31...Qe7 32.Qa2 (32.Qb2 d4!-+) 32...Qb4 33.Nd5 (33.Nd3 Qe4-+) 33...Qb7 (better 33...Qe1!? 34.Kh2 Qe5 35.f4 Qd5 36.Qd5 Bd5 37.Kg1-+) 34.Rd3 (34.Ra4 Ra4 35.Ne7 Qe7 36.Qa4 Qc5-+) 34...Ra5 35.Nf6 gf6 36.Rg3 (36.Qa3 fe5 37.Rg3 Kh7-+) 36...Kh7 37.Qd2 (37.Qa1 fe5 38.Ra3 Rb5-+) 37...Re5 (better 37...Qb1 38.Kh2 Rd5-+) 38.Qd8 Qc8 39.Qf6 Qh8 40.Qh4 (40.Qh8 Kh8 41.Ra3-+) 40...f4! 41.Qf4 Rf5 (better 41...Re1 42.Kh2 Qa1-+) 42.Qa4 Qf6 (better 42...Qb2 43.Qe4 Qf2 44.Kh2 Bd5-+) 43.f3 (43.Qe4 Qa1 44.Kh2 Qe5 45.Qe5 Re5-+) 43...Rg5 (better 43...Qe5 44.Rh3 Rg5 45.Qc2 Bf5-+) 44.Rg5 Qg5 45.Qe4 Qg6 (better 45...Qf5 46.Qd4-+) 46.Qb4 (46.Qh4 Qf5-+) 46...h5 (better 46...Bh3! 47.Qd2-+) 47.Kf2 (47.Qh4 Qf5-+) 47...Qg5 (47...Qc2 48.Kg1-+) 48.Qd4 (48.g3 Kg6-+) 48...h4 49.Qe4 Bf5 (49...Kg7 50.Qd4 f6 51.Kf1-+) 50.Qe5 Kg6 51.Qd6 (51.Qh8 Qf6 52.Qg8 Kh5-+) 51...f6 52.Qd8 (52.Qd5 Qg3 53.Kf1 Qe5 54.Qg8 Kh6 55.Qf8 Kg5-+) 52...Be6 53.Qe8 (53.Qd3 Kg7 54.Qd6 Qe5 55.Qe7 Bf7-+) 53...Bf7 54.Qe4 Kh6 55.Qd4 Qe5 (better 55...Bd5-+) 56.Qh4 Kg7 (56...Kg6 57.Qg4 Qg5 58.Qe4 Qf5 59.Qe3-+) 57.Qg4 (57.Qg3 Qg3 58.Kg3 Bd5-+) 57...Kf8 (57...Kh7 58.Qh4 Kg6 59.Qg4 Qg5 60.Qb4-+) 58.Qb4 Kg7 59.Qg4 Bg6 60.Qb4 (60.Qd7 Kf8-+) 60...Qe6 (60...Bf5 61.g4 Bd7 62.Qb7 Qd4 63.Kg2 Qd2 64.Kg3 Qd6 65.Kf2-+) 61.Qb7 Kh6 62.Qb2 (62.Qb4 Qa2 63.Kg3 Kg7-+) 62...Qe5 (62...Qd6 63.Qc1 Kg7 64.Qc3-+) 63.Qd2 (63.Qe5 fe5 64.f4 e4-+ (64...ef4?! 65.g3=)) 63...Qg5 64.Qd8 (64.Qd4 Kg7-+) 64...Bh7 (64...Qc5 65.Kg3 Qe5 66.Kf2-+) 65.Qf8 Qg7 66.Qb4 Qa7 67.Kg3 Qe3 68.Qh4 Kg6 69.Kh3 Qg5 70.Qe4 Kh6 71.Qe7 (71.Qd4 Bg8-+) 71...Bf5 (71...Qf4!? 72.Qa3-+) 72.g4 Bh7 (72...Bd3 73.Qf8 Kh7 74.Qf7 Qg7 75.Qd5-+) 73.Qf8 Qg7 74.Qc5 Bg6 75.Qe3 (75.Kh4 Kh7-+) 75...Kh7 76.f4 (better 76.g5 Qd7 77.Kh4-+) 76...Qh6?? (better 76...Qd7-+) 77.Kg3 (77.Kg2 Qf8 78.f5 Qa8 79.Kg3 Bf7=+) 77...Qg7 78.g5?? (78.Kh3 Qd7 79.Kh4-+) 78...f5-+ 79.Qe6 Qf7 80.Qe5 Qb3 81.Kh4 Qf7 82.Qd4?? (82.Kg3 Qd7 83.Qa1-+) 82...Kg8 83.Qe5 Qh7 84.Kg3 Qg7 85.Qb8 Kh7 86.Qb3 Bf7 87.Qe3 Qg6 88.Kh4 (88.Qc5 Ba2-+) 88...Qh5 89.Kg3 Qg4 90.Kf2 Kg6?? (better 90...Qh4 91.Ke2 Kg6-+) 91.Qe5= Kh7 92.Qf6?? (92.Qe3 Qh4 93.Qg3 Qg3 94.Kg3-+) 92...Qf4-+ 93.Kg2 (93.Ke2 Qc4 94.Kd2 f4-+) 93...Qg4 (93...Bd5 94.Kh3 Qg4 95.Kh2 Qg2) 94.Kf2-+ Qf4 95.Kg2 Bd5 96.Kg1 (96.Kh3 Qg4 97.Kh2 Qg2) 96...Qg3 97.Kf1 Bc4 0-1. Shtyka,S (2175) - Stoleriu,George (2370), Titled Tuesday, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3)

    8.d4 Rb8 9.Ba3 (9.Bd3 Nge7=+) 9...b5 (9...Nge7 10.Bb5=+) 10.Bc5 (10.Bd3 a6=+) 10...Nge7 11.Bd3 b4 12.0-0 bc3 13.Qc1 (13.Qc2 Rb2 14.Qc1 0-0=) 13...Bb4 (13...Nb4 14.Be7 Nd3 15.Bd8 Nc1 16.Ba5 Ne2 17.Kh1+=) 14.Nc3= Bc5 15.dc5 a6 16.Na4 (16.Rd1 Qc7 17.Qe3 Ng6=+) 16...Nb4 (16...Qc7 17.Re1=+) 17.Rd1 (17.Nb2 Nec6=+) 17...Qc7 (17...Nd3 18.Rd3 Qc7 19.Qg5=+) 18.Nb6 Attacks the isolani on a6 (18.Bb1 Nbc6=+) 18...Nd3 19.Rd3 0-0 20.h3 (20.Rd1 Bb7-/+) 20...Rd8-/+ 21.Rd1 (21.Qc3 Bb7-/+) 21...Nf5 (21...Bb7 22.Qc3-/+) 22.Rd2 (22.Nc8 Rdc8 23.Ra6 Rb5-/+) 22...h6 (22...Bb7 23.Qc3-/+) 23.Qa3 (23.Rc2 d4=+) 23...Bb7-/+ 24.Rad1 h5 (24...d4 25.Nd4 Nd4 26.Rd4 Rd4 27.Rd4 Qe5 28.Qc3-/+) 25.Qb4 Bc6 26.Re1 a5 27.Qc3 a4 (27...Bb5 28.Rc1 a4 29.Qa1=+) 28.Nd4 Nd4 (28...Ne7 29.Qg3=+) 29.Qd4 Exerts pressure on the isolated pawn (29.Rd4 Be8 30.Qc1 Rb7=+) 29...Rb7=+ 30.Ra2 The pressure on the isolated pawn grows (30.Na4 Ba4 31.Qa4 Rdb8=+) 30...Ra7 31.Rc1 (31.Rea1 Be8=+) 31...Qe7 32.Re1 (32.Rca1 Ra5 33.Na4 Rb8=+) 32...Ra5 The isolani on c5 becomes a target 33.Rc1 f6 34.Re2 a3 35.ef6 (35.Qc3 Ra6=+) 35...Qf6-/+ 36.Qf6 gf6 37.Re6 a2 38.Ra1 (38.Rc6 a1Q 39.Ra1 Ra1 40.Kh2 d4-/+) 38...Rc5-/+ 39.Ra2 Kf7 40.Re1 d4 41.Na4 (41.Rd2 d3 42.Red1 Rb8-/+) 41...Rg5-+ 42.f4 Ra5 (42...Rf5 43.Nb2 Rf4 44.Nd3-/+) 43.Nc3 Ra2 44.Na2 Rb8 45.Rc1 (45.Re2 Rb1 46.Kf2 Kg6-/+) 45...Bd5 46.Rc2 Ke6 47.Kf2 h4 48.Nc1 Rg8 49.Ke1 (49.Kg1 Kf5-+) 49...Bg2 50.Rd2 (50.Nb3 d3 51.Nc5 Kd5 52.Nd3 Bh3 53.Nb4 Kd4-+) 50...Bh3 51.Ne2 Kf5 52.Rd4 Ra8 (52...Rg2 53.Ra4-+) 53.Rd2 (53.Kf2-+) 53...Bg4 54.Kf2 Ra5 (54...Be2 55.Re2 Kf4 56.Kg2-+) 55.Rb2 (55.Nc3 Kf4 56.Rd4 Kf5-+) 55...Ra4 (55...Be2 56.Re2 Kf4 57.Kg2-+) 56.Rc2 (56.Rb5 Kg6 57.Rb2 Re4 58.f5 Kf5-+) 56...Re4 (56...Be2 57.Re2 Kf4 58.Kg1-+) 57.Ng1 (57.Rc5 Kg6 58.f5 Bf5-+) 57...Rf4 58.Kg2 Kg6 (58...Rd4 59.Rf2 Ke5 60.Nf3 Bf3 61.Rf3 Rg4 62.Kh2-+) 59.Nh3 (59.Rd2 Rc4-+) 59...Rf3 60.Nf2 (60.Ng1 h3 61.Kh2 Re3-+) 60...f5 61.Kg1 (61.Kh2 h3-+) 61...Ra3 (61...Kg5 62.Kh2-+) 62.Rc5 (62.Rd2 Kg5-+) 62...Kg5 63.Ng4 (63.Rc2 Kf4-+) 63...Ra1 64.Kh2 Kg4 65.Rc7 f4 (65...Ra2 66.Kg1-+) 66.Rh7 (66.Rg7 Kf3-+) 66...Ra2 67.Kg1 Kf3 (67...h3 68.Rg7 Kf3 69.Rh7 Rg2 70.Kh1-+) 68.Rh6 (68.Rh8 Rg2 69.Kh1 Rb2-+) 68...Ra1 (68...Rg2 69.Kh1-+) 69.Kh2 Ke3 (69...Ke2 70.Kh3 Ra3 71.Kh4-+) 70.Re6 Kf2 71.Re4 (71.Kh3 Rh1 72.Kg4 f3-+) 71...f3 72.Re5 0–1. Critter 1?6a 64_bit – Stockfish 5 64_bit, CCRL, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 Qc7 9.Bd3 (better 9.Ba3!?=+) 9...Nd4!-/+ 10.Nd4 (10.Qa4 Nc6-/+) 10...Bc3-+ 11.Bd2? (11.Ke2 Qe5 12.Be3 Ba1 (12...Bd4?! 13.Qa4 Bd7 14.Qd4 Qd4 15.Bd4=) 13.Qa4 Bd7 14.Qa1 Nf6-+) 11...Ba1 (11...Qe5 12.Be2 A) 12...Ba1?! 13.Qa4 Bd7 14.Qa1-+; B) worse 12...Qd4 13.Nc3 (worse 13.Bc3 Qd1 14.Kd1 f6=+) 13...Bd7 14.Rb1+=; C) 12...Bd4-+) 12.Qa4 Bd7 13.Qa1 Qe5 14.Be3 Qc7?? (14...Nf6!? 15.Nd2-+) 15.0-0?? (better 15.Ne6 Be6 16.Qg7+-) 15...Nf6-/+ 16.Bb5 (better 16.Nb5!? Bb5 17.Bb5 Kf8 18.Rc1-/+) 16...0-0-+ 17.Bd7 Qd7 18.Bg5 Ne4 19.Be3 e5 20.Nf3 f6 21.Nc3 Nc3 22.Qc3 Rfc8 23.Qb3 Kh8 24.h3 b5 25.Rd1 d4 26.Bd2 a5 27.Nh2 Rc4 Black prepares a4 28.Ng4 a4 29.Qf3 Rac8 30.Bh6 (30.Rb1 Rc2 31.Qe2 Qf5 32.Rb5 Qf4 33.Bf4 Re2-+) 30...Qe7 (30...gh6 31.Qf6 Qg7 32.Qf5-+) 31.Bg7 (31.Bd2-+) 31...Kg7 32.Qg3 Kf8 33.Qh4 Rc1 (33...b4 34.Ra1 b3 35.Rf1-+) 34.Rc1?? (34.Qh6 Kf7 35.Rc1 Rc1 36.Qc1-+) 34...Rc1 35.Kh2 Qg7 (better 35...Rc6 36.Nh6-+) 36.Nf6 a3 (36...Rc6 37.Nh5 Qc7 38.Qe4-+) 37.Nh7 Kg8 38.Qd8 (38.Nf6 Kf7 39.Nd5-+) 38...Kh7 39.Qh4 Kg8 40.Qd8 Kf7 41.Qd7 Kf6 42.Qd6 Kf5 43.g4 (43.Qa3 Rc3 44.Qb2 Qh6-+) 43...Kf4 44.Qa3 Rc3 45.Qa1 (45.Qb2 Qh7 46.Qd2 Kf3 47.Qd1 Kf2 48.Qg1 Kf3 49.Qf1 Ke4 50.Qb1 Rd3 51.Qh1 Kf4 52.Qc1 Re3 53.Qf1 Kg5-+) 45...b4 (45...Qh8 46.Kg1 Rh3 47.Qc1 Kg4 48.Qc6 Rh1 49.Qh1 Qh1 50.Kh1 d3 51.Kg2 d2 52.f3 Kf4 53.Kh3 d1Q 54.Kg2 Qe2 55.Kg1 Kf3 56.Kh1 Qg2) 46.Qg1 (46.Qb1 Qf7 47.f3-+) 46…Qc7 0-1. Budagova,Leyla - Lomaia,Diana (1995), Djerba Women Online, 2020.

    8.d4 Bc7 9.Bd3 f6 10.0-0 Nh6 (10...fe5 11.de5 Be5 12.Ne5 Ne5 13.Qh5 Nf7 14.Re1-/+) 11.Qc2 (11.ef6 Qf6 12.Bg5 Qf7=) 11...Nf7 (11...fe5 12.Bh6 gh6 13.de5 Ne5 14.Ne5 Be5 15.f4-/+) 12.ef6=+ Qf6 13.Na3 g6 14.c4 0-0 15.Nb5 Bb8 16.Ba3 Rd8 17.Rfe1 (17.Bc5=+) 17...Nd6 (17...a6 18.Bc5 dc4 19.Bc4 ab5 20.Ra8 bc4 21.Qc4-/+) 18.Bc5 Pawn a7, live or die! (18.Nd6!? Bd6 19.Bd6 Rd6 20.c5+=) 18...dc4=+ 19.Bc4 Nb5 (19...Nc4 20.Qc4 Bd7 21.Bd6=+) 20.Bb5= Ne7 21.Ne5 Nd5 22.Ra3 Be5 23.de5 Qg7 24.Ra7 Ra7 25.Ba7 b6 26.Bb8 Ba6 (26...Bd7 27.Bd7 Qd7 28.Bd6=) 27.Ba6 Rb8 28.Qc6 Qe7 (28...Qf7 29.Bc4+-) 29.Bc8 (29.Bc4 Rd8+-) 29...Kf7 30.Rd1 (30.Rb1 g5+-) 30...b5+= 31.Rd3 (31.f4 b4 (31...Nf4?? 32.Rd7 Rc8 33.Re7 Ke7 34.Qc8+-) 32.Be6 Qe6 33.Qd5 Qd5 34.Rd5 Ke6=+) 31...Rb6= 32.Qc1 Kg7 33.Rh3 (33.Rb3!?=) 33...b4-/+ 34.Rb3 (better 34.Rd3!?-/+) 34...Qe8-+ 35.Rh3 Kg8 (35...h5 36.Rh4 Nc3 37.Qg5 Ne2 38.Kf1 Qc8 39.Ke2 Qc2 40.Ke1 Qc3 41.Ke2 Qb2 42.Ke1 Qb1 43.Ke2=) 36.Qh6 Qe7 (36...Qc8?? 37.Qh7 Kf8 38.Qh8 Ke7 39.Rh7) 37.Rb3 (better 37.Qc1-+) 37...Qg7?? (37...Qc7 38.Qg5-+) 38.Qg5?? (38.Qg7 Kg7 39.Kf1-/+) 38...Qe7 39.Qh6 Rc6 40.Rg3 (40.Bb7 Qb7 41.Rb1 Rc2-+) 40...Rc8 41.h4 Rc3 42.Rg4 (42.Rc3 bc3 43.Qc1-+) 42...b3 43.h5 (43.Rg6 hg6 44.Qg6 Kf8 45.Qh6 Ke8 46.Qg6 Qf7 47.Qe4-+) 43...b2 44.hg6 b1Q 45.Kh2 Qg6! 46.Rg6 (46.Rg6 hg6 Combination; 46.Qg6 hg6 Combination) 46...hg6 47.Qg6 Kh8 (47...Kh8 48.g3 Qh7 49.Qh7 Kh7-+) 0–1. Nissen,Claus (2310) – Schaefer,Norbert (2265), Oberliga Nord N9394, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 Bd7 9.Bd3 Rc8 10.0-0 Nge7 11.Re1 Ng6 12.Bd2 a6 13.Ng5 f5 (better 13...b5=) 14.ef6!+- Qf6 (14...Qf6 15.Bg6 Double attack; 14...gf6 15.Bg6 Double attack) 15.Qh5+- Ke7 16.Ne6! Kd6 (16...Be6 17.Bg5 Combination) 17.Bg5 (17.Nc5 Bb6 18.Nd7 Kd7 19.Bf5 Kc7 20.Bc8 Kc8 21.Qd5 Nge7+-) 17...Qf7 (17...Qe6 18.Re6 Be6 19.Bg6 hg6 20.Qg6+-) 18.Bf4!! Nce5 (18...Nf4 19.Qf5 Double attack (19.Qf7 Pinning; 19.Qf7 Deflection; 19.Qf5 Decoy)) 19.Bg6 Qe6 20.Re5 Qg6 21.Rg5 Kc6 (21...Ke7 22.Rg6 hg6 23.Qe5 Kf7 24.Qd5 Ke8+-) 22.Rg6 hg6 23.Qg6 (23.Qg6 Be6 24.Qe6 Kb5 25.Na3 Ka4 26.Nc4 Kb3 27.Ra3 Kc2 28.Qe2 Kb1 29.Qd3) 1–0. Christensen,Bo Garner (2200) – Simonsen,Per, Tastrup op, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 Bd7 9.Bd3 Nge7 10.Ba3 Ng6 11.0-0 Nh4 12.Nh4 Qh4 13.Re1 Bd8 14.Re3 h6?? (better 14...f5=) 15.Rh3+- Qg5 (15...Qh3 16.gh3 Rg8 17.Bd6+-) 16.f4! Qf4 Decoy to f4 17.Bc1 (17.Bc1 Qh4 18.Rh4 Bh4 19.Qg4+-) 1–0. juliangon (2600) – whitecat25 (2110), ChessWorld.net, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 Bd7 9.Bd3 f5 10.h3 (10.0-0 Nge7=+) 10...Nge7=+ 11.g4 (11.Qb3 a6=+) 11...Qc7-/+ 12.gf5? (12.Qc2 Rf8-/+) 12...Nf5 (12...Nd4 13.Nd4 Bc3 14.Nc3 Qc3 (14...Qe5?? 15.Nce2+-) 15.Qd2 Qa1 (worse 15...Qd4 16.Bb2 Qh4 17.f6-/+) 16.fe6 Bc8=) 13.Bf5 ef5 14.Ba3 Be6 15.Ng5 Qd7 16.Rg1 g6 17.h4 h6 18.Nh3 Qf7 19.Qd3 (better 19.Nf4!? g5 20.Ne6 Qe6 21.Bd6-/+) 19...f4-+ 20.Kf1 Bd8 21.Bc1 Bh4 (21...g5 22.Ke1 Bf5 23.Qf3-+) 22.Na3 (22.Nf4 g5 23.Rh1 Bf5-+ (23...gf4?! 24.Rh4 Bf5 25.Qf3-/+)) 22...Be7 (better 22...g5 23.Rh1 Bf5-+) 23.Nf4-/+ g5 24.Ne6 Qe6 25.Nb5 0-0 (better 25...Kd7!?-/+) 26.Nc7 Qf7 27.Ra2 Rac8 28.Nd5 Qd5?? (better 28...Kg7 29.Qe4 a5+=) 29.Qg6+- Kh8 30.Qh6 Kg8 31.Qg6 Kh8 32.Qh6 (32.Bg5 Qb5 33.Ke1 Qf1 34.Rf1 Bg5 35.Rh1 Bh6 36.Rh6) 32...Kg8= 33.Bg5 Qb5 (33...Qc4 34.Re2 Kf7 35.Qh5 Ke6 36.Qh3 Rf5 37.Bh6+-) 34.Re2 Kf7?? (34...Qb1 35.Bc1 Kf7 36.d5+=) 35.Qh5 (better 35.e6 Ke8 36.Qh5 Kd8 37.Be7 Ne7 38.Qb5+-) 35...Ke6+= 36.Qh3 Kd5? (36...Rf5 37.d5 Qd5 38.Qh6 Kd7+-) 37.c4!+- Kc4 (37...Qc4 38.Qd7 Mate attack; 37...Kc4 38.Qe6 Double attack) 38.Qe6 Kb4 39.Be7 Ne7 40.Qe7 Ka5? (better 40...Ka4 41.Rg3 Rc1 42.Kg2 Qd5 43.f3 Rf4+-) 41.Qa3+- Qa4 42.Qa4 Ka4 43.Rg7 1–0. Levi,Eddy (2305) – Reeves,Tristan, AUS–ch op Melbourne, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 h5 9.Bd3= Bd7 10.0-0 Nh6 11.Ng5 (11.Bg5 f6 12.ef6 gf6=) 11...g6 12.f4 (12.Nh3 Nf5=) 12...Ne7 (12...Nf5 13.Qb3=+) 13.Ba3 Nhf5 14.Qe2 a6 15.Rc1 Rc8 The backward pawn on c3 becomes a target 16.Bc5 Bb6 (16...Nc6 17.Nf3=) 17.Bb6 Qb6 18.Nd2?? (better 18.Nf3=) 18...Rc3!-+ 19.Rc3 Qd4 20.Kh1 Qc3 21.Rb1 (21.Ra2 Qc1 22.Nf1 Qf4 23.Nf3-+) 21...Bc6 (better 21...Nd4 22.Qe3 Nef5-+) 22.Ba6 Nd4 (22...0-0 23.Bb7 Bb7 24.Rb7 Qc1 25.Nf1 Qf4 26.Nf3-+) 23.Qd1-/+ 0-0 (23...Qe3 24.Nh3-/+) 24.Bb7 Rb8 25.Bc6 (25.Ba6 Rb1 26.Nb1 Qe3-+) 25...Nec6 26.Rb8 Nb8 27.h3 (27.Nf1 Nbc6-/+) 27...Qc2 (better 27...Qe3!?-+) 28.Qe1 Nbc6 29.g4 (29.Qe3 Nf5 30.Qf2 Ng3 31.Qg3 Qd2 32.Ne6 fe6 33.Qg6 Kf8 34.Qf6 Ke8 35.Qe6 Ne7=+) 29...Nb3 (better 29...Nb4!?-+) 30.Nb3=+ Qb3 31.gh5 gh5 32.Qg1 Ne7 33.Ne6 Ng6 34.Qg2?? (better 34.Ng5-/+) 34...Qb1-+ 35.Kh2 fe6 36.Qg5 Qc2 37.Kg1 Qc1 (37...Qf5!? 38.Kg2 Qg5 39.fg5 Ne5 40.Kg3-+) 38.Kg2 Qd2 39.Kg1 (39.Kf3 Qc2 40.Qd8 Kh7 41.Qd7 Kh6 42.Qe6 Qe4 43.Kf2 Qf4 44.Ke2 d4-+) 39...Qe3 40.Kg2 Qe4 (40...Qe2 41.Kg1 Kh7 42.Qg3-+) 41.Kg1 Qf5 0–1. Johansson,R1 (2160) – Jonsson,E (2015), ch–SWE Mastarklassen, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 h6 9.Bd3 a6 10.g4 (10.Nfd2 Bb6=+) 10...b5 11.0-0 Bd7 12.g5 (12.Be3!?-/+) 12...hg5 13.Bg5 Qc8 14.Nh4 Nge7 15.Qc2 Qc7 16.Nd2 (better 16.Nf3!?-+) 16...Nd4! 17.cd4 Qc2 18.Bc2 Bd2 19.Bd2 Rh4 20.f4 Nc6 21.Be1 (21.Be3 a5-+) 21...Rh8 (21...Rg4!? 22.Kh1 Nd4 23.Bd1-+) 22.Bf2 a5 23.Rfc1 (23.Rfb1 b4-+) 23...a4 24.Bd1 (24.h4 a3-+) 24...Na5 25.Bf3 (25.h4-+) 25…Nb3 0–1. Stewart,Tanya – Grinfeld,Alla B (2230), Espergaerde (Women), 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 h6 9.Bd3 Nge7 10.0-0 0-0 11.Bc2 Bd7 12.Qd3= Ng6 13.Ba3 Re8 14.g3 (14.Nbd2 b5=) 14...Bc7 (14...a6 15.Nbd2=+) 15.Nh4= Nf8 16.Bf8 Kf8 17.Qh7 Ne7 (better 17...Ne5 18.Re1 Qf6 19.de5 Be5=) 18.Qh8+- Ng8 19.Bh7 Ke7?? (better 19...Qg5 20.f4 Qg4 21.Ng6 fg6 22.Qg8 Ke7 23.Qg7 Kd8 24.Bg6 Bb5 25.Qf6 Re7 26.Qf8 Be8 27.Be8 Re8 28.Qh6 a5+-) 20.Ng6! (20.Ng6 fg6 21.Qg7) 1–0. Abril,M (1965) – Forero Beltran,Jose, 2nd JAHV McGregor Open, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 h6 9.Be2 Nge7 10.h4 (10.Qd3 a6=+) 10...a6-/+ 11.Qd3 Bd7 12.h5 Na7 13.Qc2 Rc8 14.Bd2 (14.Ba3 Nb5 15.Be7 Ke7 16.Bb5 Bb5-/+ (16...ab5?! 17.Qb2=+)) 14...Bb5 15.Bd3 Bd3 16.Qd3 Nb5 17.Rh3 (17.0-0 0-0-/+) 17...Rc6 18.Nh4 Bc7 (18...0-0 19.Rg3 Kh8 20.Qf3-/+) 19.Rg3 Rg8 (better 19...Kf8!?-/+) 20.Qh7+= Kd7 21.Rg7 Rh8 22.Qd3 Qf8 23.Rh7 Qg8 24.Rh8 Qh8 25.Qe3 Qh7 26.g4 (26.Kd1 Qg7 27.Qh6 Qg4 28.Nf3 Qg2=) 26...Bd8 (26...Qc2 27.Bc1-/+ (27.Qh6?? Qb2 28.Ke2 Qa1-+)) 27.Ng2 (better 27.Kd1=) 27...Qc2-/+ 28.c4? (better 28.Bc1-/+) 28...Rc4-+ (worse 28...Qc4 29.Na3 (29.Qh6?? Nd4 30.Nc3 Qd3-+) 29...Qd4 30.Qd4 Nd4 31.Bh6 Nf3 32.Ke2 Ne5 33.Ne3-+; 28...dc4?! 29.Nf4-/+) 29.Na3 (29.Nc3 Nc3 30.Rc1 Qe4-+) 29...Qb2 30.Nc4 (30.Rb1 Qa3 31.Qa3 Na3 32.Rb7 Kc6 33.Ra7-+) 30...Qa1 31.Bc1 dc4 32.Kf1 Nd4 33.Ne1 (33.Nf4 Nec6 34.Kg2 Bg5-+) 33...Nb3 34.Bd2 Nd2 (better 34...Qd1!? 35.Bb4 Nd5 36.Qe2 Qe2 37.Ke2 Nb4 38.Kd1-+) 35.Qd2 Nd5 36.Qh6 (36.Qe2 Ba5 37.g5 hg5-+) 36...Ba5 37.Qf8 (37.Kg2 Qe1 38.Qh7 Ke7-+) 37...Qe1 (37...Be1?! 38.Qd6 Ke8 39.Qb8 Ke7 40.Qd6 Ke8 41.Qb8 Ke7 42.Qd6 Ke8=) 38.Kg2 Qe4 (38...Qe4 39.Kg1 Nf4 40.Qf7 Kc6 41.Qf4 Qf4 42.Kg2 Be1 43.Kh1 Qf3 44.Kg1 Bf2 45.Kh2 Qg3 46.Kh1 Qg1) 0–1. Tidman,Sophie E (2135) – Hvenekilde,Jorgen (2295), 24th Politiken Cup, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    8.d4 Nge7

    9.Bd3 0-0 10.Bh7 Kh8 11.Ng5 g6 12.Qf3 Nf5 (12...f6 13.Qh3 Kg7 14.Bg8 Bc3 15.Nc3 fe5 16.Qh7 Kf6 17.g4 Ng8 18.Nce4 de4 19.Ne4) 13.Bg6! Nh6 (13...fg6 14.Qh3) 14.Qh5 Kg7 (14...Kg8 15.Qh6 Bc3 16.Nc3 fg6 17.Qh7) 15.Ne6! (15.Ne6 Kg8 16.Qh6 Bc3 17.Nc3 fg6 18.Qg7) 1–0. Beukema,Christiaan – Dubbeldam,Lydia (1770), ONJK ABC Group, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    9.Bd3 a6 10.0-0 b5 11.Nfd2 Ng6 (11...Bb7 12.Nb3=+) 12.Nb3 Bd7 13.g3 (13.Nc5 0-0=+) 13...Bb6 (13...0-0 14.Ba3 Re8 15.Bd6=+) 14.h4 (14.Ba3 Nce7=+) 14...Nge7-/+ 15.Qg4 (15.h5 0-0-/+) 15...Kf8 (15...0-0!?-/+) 16.Ba3 a5 (16...f5 17.Qf3=+) 17.Bc5 (17.Nc5 Be8=) 17...Ra7 (17...Kg8 18.h5=+) 18.Na3= b4 19.Nb5 Ra8 20.Nd6 (20.cb4 Nb4 21.Bb4 ab4=) 20...Bc5 (20...bc3 21.Qf4 Be8 22.Rfc1=) 21.Nc5+= Nc8 22.Qf4 (better 22.Ndb7!? Qc7 23.h5=) 22...Nd6=+ 23.ed6 Rb8 (23...bc3 24.Rfc1=+) 24.Bc2 (24.Rfb1 Kg8=+) 24...g6 (better 24...Ke8!?-/+) 25.Ba4 Kg7 (25...bc3?? 26.Bc6 Kg7 27.Bd7+-) 26.cb4 (26.Rfc1 b3 27.Bb3 h6+=) 26...Rb4 27.Nd7 Qd7 28.Bc6 (28.h5 f6 29.Bc6 Qc6 30.Ra5 Rd8= (30...gh5 31.Rc1 Qe8 32.Ra7 Kg6 33.Qd2+-)) 28...Qc6 29.Qe5 (better 29.Rfc1!? Rc4 30.Rc4 dc4 31.Ra5=) 29...f6-/+ 30.Qe6 Re8 31.Qg4 Qd6 (better 31...a4!?-/+) 32.Ra5= Qc6 (32...f5 33.Qd1=+) 33.Ra7 (33.Rfa1 Re4 34.Ra7 Rb7=) 33...Rb7 34.Rfa1 Reb8 (34...Re4 35.Qf3 Qc7 36.Qa3=) 35.Re1 ½–½. Ganbold,Odondoo (2310) – Kumar,Aravind (2315), 54th Baltimore Open, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    9.Bd3 a6 10.0-0 b5 11.Bg5 Bb6 (better 11...h6!? 12.Be3 Nf5=+) 12.Bb5+= ab5? (better 12...Bb7 13.Bd3 Qc7+=) 13.Ra8+- Na7 (13...Qc7 14.Be7 Ne7 15.Qb3+-) 14.Qb3 Qc7 15.Na3 Qc6 16.Ra7! Ba7 17.Nb5 Bb8 18.Ra1 (18.Na3 Bc7+-) 18...h6 (18...Ng6!?+-) 19.Be7 Ke7 20.Qb4 Kd7 21.Na7 Qc4 1–0. Crotti,Lucas – Acosta,Pablo Ismael (2125), Najdorf Memorial op, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    9.Bd3 a6 10.0-0 Ng6 11.Ba3 Qd7 (11...f6 12.Re1=+) 12.Re1 (12.Nfd2 f6 13.f4 Qf7=+) 12...Bd8 (12...b5 13.Qd2=+) 13.Bc1 (13.Bd6 b6=+) 13...Be7 (13...0-0 14.Bg5=+) 14.g3 (14.Ng5 a5=) 14...b6-/+ 15.h4 a5 16.Qe2 h5 (16...Qc7 17.h5 Nf8 18.Ba3=+) 17.Na3 0-0 (17...Qd8 18.Nb5 Na7 19.Na7 Ra7 20.Ba3=) 18.Nh2 (18.Ng5 Bb7+=) 18...Qe8 (18...Rd8 19.Be3=) 19.Qh5 (19.Rb1 Qd8=) 19...Ba6 20.Ba6 (20.Bc2 b5=) 20...Ra6 21.Qe2 Ra8 22.h5 Nh8 23.Nb5 (better 23.h6 Qd7 24.hg7 Kg7 25.Qh5+=) 23...Na7? (better 23...Qd7!?=) 24.Nc7+- Qc6 25.Na8 Ra8 26.Bd2 Nb5 27.Qd3 Na3 28.h6 Qc4 29.Qc4 (29.h7!? Kf8 30.Qc4 Nc4 31.Nf3+-) 29...Nc4+= (worse 29...dc4 30.hg7 Kg7 31.Ra2+-) 30.Nf1 (30.Nf3 a4+=) 30...Ng6 (30...a4 31.hg7 Kg7 32.Ra2+=) 31.hg7 (31.Reb1 a4+-) 31...Kg7 32.Reb1 Nf8 (32...a4 33.Ra2+=) 33.Bc1 (33.Ra4 Rb8+-) 33...Nd7 (33...a4 34.Ne3 Ne3 35.Be3+-) 34.f4 (34.Ra4 Rb8+-) 34...Kg6 (34...f5 35.ef6 Nf6 36.Nd2 Nd2 37.Bd2+=) 35.g4 Rh8 (35...a4 36.Ne3 Ne3 37.Be3+-) 36.Ra2 (36.Ne3!? Ne3 37.Be3+-) 36...Rh3 37.Rf2 (37.Rb3 Rd3+-) 37...f5 (37...Rc3 38.f5 Kg7 39.f6 Nf6 40.ef6 Bf6 41.Bh6 Kg6 42.Rd1=+) 38.ef6! Kf6 (38...Nf6; 38...Bf6 39.g5 Passed pawn; 38...Kf6 39.Rc2 Combination) 39.f5 ef5 40.Rf5 Ke6 41.Bf4 Nf6? (41...Bh4 42.Rh5 Nf6+-) 42.Re1+- Ne4 43.Ng3 Ncd6? (43...Rg3 44.Bg3 a4 45.Kg2+-) 44.Ne4 (better 44.Re5!? Kd7 45.Kg2 Rh8 46.Rd5 Ng3 47.Bg3 Rh6+-) 44...de4 45.Bd6 Kd6 46.Re4 Rc3 47.d5 Bd8 48.Re6 Kd7 (48...Kc7 49.Kf2+-) 49.Rf7 Kc8 50.Kf2 a4 (50...Rc7 51.Rc6 Rc6 52.dc6+-) 51.Ra7 Rd3 52.Rd6 Bh4 (52...Bg5 53.Rc6 Kb8 54.Rg7 Bh4 55.Ke2 Rd5 56.Rb6 Kc8 57.Ra6+-) 53.Ke2 Rd4 54.Kf3 (54.Rb6 Rd5 55.Rba6 Rd7+-) 54...b5 (54...Bg5 55.Rb6 Rd5 56.Rba6+-) 55.Rc6 (55.Rdd7 a3+-) 55...Kb8 56.Rh7 Bd8 (56...Bg5 57.Rg7 Bd8 58.Rd6+-) 57.d6 (57.Rc5 Bf6+-) 57...Ba5 (57...a3 58.Rd7 Ba5+-) 58.d7 Bc7 59.g5 Kb7 (59...Rf4 60.Ke2 Rd4 61.g6+-) 60.d8N! (60.d8N Rd8 61.Rhc7 Kb8 62.g6+-) 1–0. Thomas,Mark (2045) – Davies,Matthew (1955), The Four Nations Chess League/Div3/CELT, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    9.Bd3 Qc7 10.0-0 Bd7 11.Ba3 a6 (11...Ng6 12.Ng5=) 12.Ng5 (12.Nfd2 Ng6=) 12...h6 13.Qh5 Rf8 (13...g6 14.Qh4 Qd8 15.Nf7 Kf7 16.Qf6 Kg8 17.Be7 Ne7 18.Ra5 Qa5 19.Bg6=) 14.Nh3 (14.Nf3 Rg8=) 14...b5 (14...Rg8 15.Nf4=) 15.Bd6 Qb6 Black prepares b4 (15...Qd8 16.Qg4 g6 17.Nf4=) 16.Qg4 b4 (16...g6!?=) 17.Bc5+= Qc7 18.Qg7 bc3 19.Nf4 (19.Rc1 Bb4 20.Be7 (20.Ba6? Bc5 21.dc5 d4-+; worse 20.Ra6 Ra6 21.Ba6 Bc5 22.dc5 Nf5-/+) 20...Be7 21.Nc3= (21.Ra6? Ra6 22.Ba6 c2-+; worse 21.Rc3 Qb6-/+)) 19...Bb4?? (better 19...Rg8 20.Qh6 Ne5=) 20.Nh5+- (20.Ra6 Ra6 21.Nh5 Ng6 22.Nf6 Kd8 23.Bb4 Nb4 24.Bg6 Ke7+-; 20.Ba6? Bc5 21.dc5 Nb8-+) 20...0-0-0 21.Ba6 Kb8 22.Nc3! Bc5 (22...Bc3 23.Rab1 Double attack) 23.dc5 Na7 (23...Nb4 24.Rab1 Nec6+-) 24.Rfb1 Ka8 25.Bb7 Kb8 (25...Qb7 26.Rb7 Kb7 27.Qh6+-) 26.Bc6 (better 26.c6!? Nf5 27.cd7 Qb7 28.Rb7 Kb7+-) 26...Kc8 27.Nb5 (27.Nb5 Nb5 A) worse 28.Rb5 Bc6 (28...Qc6 29.Rba5 Kc7 30.Ra7 Kb8 31.Nf6+-) 29.Rb6 d4-+; B) 28.Ra8 Qb8 29.Rb8 Kb8 30.Bb5 Bb5 31.Rb5 Kc7 32.Qh6+-) 1–0. Dubois,Jean_Marie (2285) – Juglard,Eric (2210), FRA–chT, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    9.Bd3 Qc7 10.0-0 Nf5 11.Ba3 Nce7 Attacking the backward pawn on c3 (11...a6 12.Qb3=) 12.Qc2 (12.Bd6 Qd8= (12...Nd6? 13.ed6 Qd6 14.Ra5+-)) 12...Bd7 (12...b6 13.Rc1=) 13.Bd6 (13.Qb3 Bb6=) 13...Qd8 (13...Nd6? 14.ed6 Qd6 15.Ra5+-) 14.Nbd2 (14.Bc5 Rc8=) 14...Rc8 (14...Nd6 15.ed6 Nc8 16.c4 Bd2 17.Nd2 dc4 18.Nc4-/+) 15.Ra3 (15.Be7 Ne7 16.c4 Nc6=) 15...Bb6 (15...Nd6 16.ed6 Ng6 17.Rb1-/+) 16.Nb3 (16.Be7 Qe7 (worse 16...Ke7 17.Qb2+=) 17.Qb3 Nh4=+) 16...Nd6 17.ed6 Ng6 18.Rfa1 (18.Nc5 Rc5 19.dc5 Bc5-/+) 18...Bc6 19.Na5 Qd6 (19...Ba5 20.Ra5 a6 21.R5a3-/+) 20.c4 dc4 21.Nc4 Qd8 (21...Qf4 22.Nb6 ab6 23.Rb1-/+) 22.Nb6 ab6 23.Qd1 (23.Be4 0-0-/+) 23...0-0 (23...Nf4 24.Bf1-+) 24.Bc2 (24.Bg6!? hg6 25.Ne5-/+) 24...Nf4-+ 25.Qb1 (25.Kh1 Qd6-+) 25...h6 (25...Bf3 26.Rf3 Qg5 27.Bh7 Kh8 28.Rf4 Qf4 29.Be4-+) 26.Rb3 (better 26.Bh7 Kh8 27.Be4-+) 26...Bf3 27.Rf3 Qd4 (27...Qg5 28.g3 Ne2 29.Kf1 Nd4 30.Bh7 Kh8 31.Be4 Nf3 32.Bf3-+) 28.Ra4 (28.Rfa3 Rfd8-+) 28...Qc5 (28...Qd2 29.Ra2 g6 30.g3 Ne2 31.Kg2-+) 29.Rff4 Qc2 30.Qc2 (30.Qf1 Rfd8 31.Rfd4 b5-+) 30...Rc2 31.g3 (31.h4 b5 32.Rab4 Rc1 33.Kh2 Rc5-+) 31...Rd8 (31...e5 32.Rfe4 f6 33.h3-+) 32.Rab4 (32.Rac4 Rc4 33.Rc4 b5-+) 32...Rd6 (32...g5 33.Rfd4 Rd4 34.Rd4-+) 33.Rb5 (33.Rfd4 Rd4 34.Rd4 b5-+) 33...Kf8 34.Rfb4 (34.h4 Ke7-+) 34...Rcc6 (34...Rd1 35.Kg2 Rdd2 36.Rf4-+) 35.Kg2 (35.h4 Ke7-+) 35...Ke7 36.Kf3 (36.h4 Kd7-+) 36...Kd7 (36...f5 37.g4-+) 37.Ke4 (37.Ke3 Rc3 38.Ke2 Kc7-+) 37...Kc7 (37...f5 38.Kf3-+) 38.f4 (38.h4 Rc1-+) 38...Rc5 (38...f5 39.Ke5 Rc5 40.Rc5 bc5 41.Rc4-+) 39.h4 (39.Rb3-+) 39...Kc6 (better 39...f5 40.Ke3 Rc3 41.Kf2 Rd2 42.Ke1 Rh2-+) 40.Rb6=+ Kd7 41.Rb7 Rc7 42.g4 Rdc6 43.Rc7 Rc7 44.f5 (44.h5 Ke7-/+) 44...ef5 45.Kf5 Rc5 46.Ke4 (46.Kf4 Ke6-/+) 46...Kd6 (46...h5 47.g5-/+) 47.h5 Rc6 48.Kf5 (better 48.Kd4-/+) 48...Rc5 (48...g6 49.Ke4-/+) 49.Kf4 (49.Ke4!?=) 49...Rd5 50.Rb6 Ke7 51.Rb7 Ke6 52.Rb6 Rd6 53.Rb4 Kf6 (53...g6 54.Re4 Kf6 55.Rc4-/+) 54.Ra4 g6 55.hg6 (55.Ra5 Rd4 56.Kf3 Rd1-/+) 55...Kg6 (55...fg6 56.Ra5-/+) 56.Ra8 (56.Ra5 Rc6=+) 56...Rd4 57.Kg3 h5 (57...Rd5 58.Rg8 Kh7 59.Rc8-/+) 58.gh5 (better 58.Ra6!? f6 59.gh5 Kg5 60.Ra5 f5 61.h6=) 58...Kh5-/+ 59.Ra5 (59.Rf8 Kg6-/+) 59...Kg6 60.Ra1 (60.Kf3 f5-/+) 60...Kg5 61.Kf3 Rb4 62.Rg1 Kf5 63.Ke3 (63.Rg7 Rb3 64.Kf2 Rb7-/+) 63...Ke5 (63...Rb3 64.Ke2-/+) 64.Rg5 (64.Ra1 Rb3 65.Kf2 Kf4-+) 64...f5-+ 65.Kf2 (65.Rg8 Rb3 66.Ke2 Kf4-+) 65...Kf4 (65...Ke4 66.Rg8-+) 66.Rg3?? (better 66.Rg7-+) 66…Rb2 (66...Rb2 67.Ke1 Kg3 68.Kf1 f4 69.Ke1 f3 70.Kd1 f2 71.Kc1 Re2 72.Kd1 f1Q) 0–1. Meijerink,Inken – Diegel,Jonas (1795), German Youth Championship Open A, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    9.Bd3 f6 10.ef6 gf6 11.0-0 (11.Nfd2 Ng6=+) 11...e5 12.de5 fe5 13.Ng5 Ng6 (better 13...h5!?=+) 14.Qh5+- e4 15.Nh7 (better 15.Ne4!? de4 16.Be4+=) 15...Nce5 (15...Qd6 16.Bb5 Bc7 17.f4 ef3 18.Rf3 Qh2 19.Qh2 Bh2 20.Kh2 Rh7 21.Kg1-/+) 16.Bg5 (better 16.Bb5 Kf7 17.h3=+) 16...Rh7?? (better 16...Qc7!? 17.Bb5 Kf7-/+) 17.Qh7 (17.Bb5!? Kf8 18.Qh7 Qg5 19.Ra5 Nf3 20.Kh1=) 17...Qg5+= 18.Bb5 Kf8 (18...Kd8!? 19.Qg8 Kc7 20.Ra5 Bh3 21.Qh7 Kb6 22.Qh3 Ka5-+) 19.Ra5= Nf4 (19...Nf3 20.Kh1 Ngh4 21.Qh8 Kf7 22.Qh7 Kf8 23.Qh8 Kf7 24.Qh7 Kf8=) 20.Qh8 (20.g3 Nf7=) 20...Ke7 (20...Kf7 21.g3 Bh3 22.Qh7 Kf8 23.f3 Bf1 24.Kf1=) 21.Qe8 Kd6 22.Qf8 Kc7 23.g3 Nf3 (23...b6 24.Ra7 Ra7 25.Qf4 Qf4 26.gf4 Nf3 27.Kg2 Kd6-+) 24.Kh1+= Ng6?? (24...Ne6 25.Qe8 Qh6 26.Qe7 Kb6 27.Qd6 Ka5 28.Qb4 Kb6 29.Ba4 Kc7 30.Qe7 Kb8 31.Qd6 Nc7 32.Qh6 a5+-) 25.Qc5 (25.Qc5 Kd8 26.Qd6 Bd7 27.Qd7) 1–0. Ossa,Orlando (2285) – Hoyos,Julio Cesar, Torneo OPEN, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    9.Bd3 Bd7

    10.0-0 0-0 11.Bh7 Kh7 12.Ng5 Kg8 1–0. Saurina Suner,Francesc Xavier (1875) – Mundet Riera,J (1850), 3rd Obert Ciutat de Girona, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 0-0 11.Bh7 Kh8?? 12.Bd3 (12.Ng5 g6 13.Qf3 Ng8 14.Qh3 Kg7 15.Bg8 Ne5 16.de5 Rg8 17.Qh7 Kf8 18.Qf7) 12...f6? (better 12...Qe8+-) 13.Ng5!+- g6 (13...fg5 14.Qh5) 14.ef6 (14.Bg6 fe5 15.Qh5 Kg7 16.Qh7 Kf6 17.Nf3 Ng6 18.g4 Bc3 19.Bg5) 14...Rf6+- 15.f4 (15.Nf3 Kg7+-) 15...Kg7 16.Rf3 (16.Nf3 Qc7+=) 16...Nf5 17.Bf5 (17.Rh3 Bb6+=) 17...ef5 (better 17...Rf5!? 18.Rh3 Bb6+=) 18.Rh3 Rf8 (better 18...Qe8+-) 19.Rh7 Kf6?? (19...Kg8 20.Qf3 Bc8+-) 20.Qe1 (20.Ra5 Qa5 (20...Na5?? 21.Qe2 Nc4 22.Qe5 Ne5 23.fe5) 21.Rd7 Rae8+-) 20...Bc7 (20...Qe8 21.Qh4 Bd8+-) 21.Qh4 Qe8 22.Ne4 (22.Ra2 b6 23.Nf3 Ke6 24.Ba3 Bf4 25.Re2 Be5 26.Re5 Ne5 27.Re7 Qe7 28.Qe7) 22...Ke6 23.Nc5 Kd6 24.Nb7 Ke6 25.Ra2 (better 25.Ba3 Bd8 26.Nc5 Kd6 27.Nd7 Kc7 28.Nf8 Kc8 29.Qg3+-) 25...Rh8 (25...Rf7 26.Re2 Ne5 27.Nc5 Kd6 28.fe5 Kc6 29.Rf7 Qf7+-) 26.Nc5 Kd6 27.Qf6 (27.Nd7 Rh7 28.Ba3 Nb4 29.Bb4 Kc6 30.Ra6 Bb6 31.Ne5 Qe5=+) 27...Be6 (27...Qe6 28.Rd7) 28.Ne6 (28.Nb7) 28...Qe6 29.Ba3 (29.Rh8?! Qf6 30.Ra8 Kd7+=) 29...Nb4 30.Bb4 Kc6 31.Qe6 Kb7 32.Qd5 (32.Qa6 Kb8 33.Rh8 Bd8 34.Bd6) 32...Kb6 (32...Kb8 33.Rh8 Bd8 34.Rd8 Kc7 35.Ba5) 33.Qc5 Kb7 34.Qc7 1–0. Grabianowski,Krystian – Checinski,Remigiusz, Szachowe Centralne Mistrzostwa Liceow P, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 a6 11.Ba3 h6 (11...Ng6 12.Qd2=+) 12.Nfd2 (12.Qb3 b5=+) 12...0-0 13.Nb3 Bb6 (13...Bc7 14.Nc5 Qc8 15.Qb3=+) 14.N1d2 (14.Nc5 Bc5 15.Bc5 f6 16.ef6 Rf6=+) 14...Re8 (14...f6 15.ef6 Rf6 16.Nc5 Bc5 17.Bc5=+) 15.Qg4 Na7 (15...Nf5 16.Rfb1=) 16.c4 dc4 17.Nc4 Bb5 18.Qe4 (18.Rfc1!?=) 18...Nf5=+ Increases the pressure on the backward pawn 19.Nb6 Qb6 20.Bc5 (20.Rfb1 Bd3 21.Qd3 Qd8-/+) 20...Bd3 21.Qd3 (21.Bb6?? Be4 22.g4 Ne7-+) 21...Qc6 (21...Qb5 22.Rfd1-/+) 22.Na5=+ Qc7 (22...Qd7 23.Rfb1 Nb5 24.Rb4-/+) 23.Nc4 Nb5 (23...Nc6 24.Rfd1=+) 24.Rac1 Rac8 25.Qe4 Qc6 26.Qf4 (26.Qg4 Red8 27.Nb6 Rc7=+) 26...Nc7 (26...Red8 27.Nb6 Nbd4 28.Bd4 Rd4 29.Rc6 Rc6 30.Qf3 Rb6 31.Rc1-/+) 27.Nd6 (27.Nb6 Nd5 28.Nd5 Qd5-/+ (28...ed5? 29.Qf5 b6 30.Ba3+-)) 27...Nd5-/+ 28.Qd2 Nd6 29.Bd6 Qa4 (29...Qd7 30.Qe2-/+) 30.g3 (30.Qb2 Qd7-/+) 30...Qd7 31.Qb2 (31.Ra1 Rc6-/+) 31...Rc1 (31...b6 32.Ra1 a5 33.Ra3-+) 32.Rc1-/+ Rc8 33.Rb1 (33.Ra1 Rc6-/+) 33...b5 (33...b6 34.Ra1 a5 35.Qb3-+) 34.Ra1-/+ Qb7 (34...Rc6 35.Bc5-/+) 35.Qa3 (35.Bc5 Rc6-/+) 35...Rc6 (35...b4 36.Qb2 Qb5-+) 36.Qa5 (36.Bc5 b4 37.Qa4 Nc3-/+) 36...Nc3 (36...Rc2!? 37.Qd8 Kh7 38.Bf8-+) 37.Bc5 Na4 (37...Ne4 38.Qa3-+) 38.Qb4 (38.f4 Qc8-+) 38...Qd7 (38...Nc5 39.dc5 Qc7 40.Qe4-+) 39.Bd6 Nc3 (39...Rc4 40.Qa5 Qb7 41.h3-+) 40.Qb2 (better 40.Bc5 Ne4 41.Rc1-+) 40...Na4 (40...Ne4 41.Bb4-+) 41.Qd2 (41.Qb4 Rc4 42.Qa5-+) 41...Qc8 (worse 41...Rd6 42.ed6 Qd6 43.Qe3=+) 42.d5 (42.Qf4 Rc4-+) 42...Rc2-+ 43.Qd1 ed5 (43...Nb2 44.Qf3-+) 44.Qd5 Qf5 45.Qa8 (45.Qd4 Qf3 46.Bb4 Nb2-+) 45...Kh7 46.Rf1 (46.Qa7 Qf3 47.Bb4 Nb2-+) 46...Nc3 47.Qg2 a5 48.g4 (48.Bb8 b4 49.Qb7 Qh3-+) 48...Qd3 49.g5 (49.Re1-+) 49...Ne2 50.Kh1 Nf4 0–1. Limbach,Renate (2140) – Hausmann,Ilka (2155), BL, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 a6 11.Qc2 Rc8 12.Ba3 Ng6=+.

    10.0-0 a6 11.Bd2 b5 12.Na3 (12.Ng5 h6 13.Qh5=+) 12...b4 (12...Qc7!?-/+) 13.cb4= Bb4 14.Nc2 Bd2 15.Qd2 a5 16.Qe2 (16.Rfc1 0-0=) 16...Ng6 (16...0-0 17.Rfc1=) 17.g3 (17.Qe3 Nh4=) 17...0-0=+ 18.h4 (18.Rfb1 Qc7=+) 18...f5 (18...f6 19.Bg6 hg6 20.Rfb1=+) 19.Bb5 (19.h5 Nge7=+) 19...Nge7 (19...f4 20.h5 Nge7 21.g4-/+) 20.Ng5 (20.Bd3 f4-/+) 20...h6 21.Nh3 (21.Nf3 Qe8-/+) 21...Rb8 22.Bc6 Nc6 23.Kh2 (23.Rfc1 Qb6-/+) 23...Rb2 24.Rfd1 (24.Qd3 Qb6-/+) 24...Nb4 (24...Qb6 25.Rd2-/+) 25.Rd2 Nc2 (25...Qb6 26.Na3 Rb3 27.Nf4-/+) 26.Rc2 Rc2 27.Qc2 a4 28.Qc5 (28.Qd3 Qb6-/+) 28...Qb8 (28...Qc8 29.Qa7-/+) 29.Ra2 (29.Qe7 Rf7 30.Qa3 Qb6-/+) 29...Kf7 (29...Qb1 30.Ra3-/+) 30.Nf4 Rc8 31.Qa5 (31.Qa3 Qb6 32.Rd2 Rc4-/+) 31...Qc7 (31...Rc4 32.Ne2-/+) 32.Qd2 (32.Qb4 g5 33.Nh5 Qc4-/+) 32...Qc3 33.Qd1 g6 (33...Rc4 34.Qh5 Kg8 35.Qg6 Qd4 36.Re2=+) 34.g4 (34.Kg2 Qc1 35.Qe2 Rc4-/+) 34...Qc1 35.Qf3 Rc3 36.Nd3 Qb1 37.Rd2 (37.gf5 A) 37...Qa2 38.fe6 Kg7 39.Qf7 Kh8 40.ed7 Qf2 41.Nf2 Rh3 42.Kh3 g5 43.d8Q; B) 37...Rd3 38.fe6 Kg8 39.Qf7 (39.ed7?! Rf3 40.d8Q Rf8 41.Qd5 Kg7+-) 39...Kh8 40.ed7 Rh3 41.Kh3 Qh1 42.Kg3 Qg1 43.Kf4 Qc1 44.Rd2 Qd2 45.Kg3 Qc3 46.Kh2 Qa5 47.Qe8 Kg7 48.Qe7 Kg8 49.d8Q Qd8 50.Qd8 Kg7 51.Qd7 Kh8 52.e6 a3 53.e7 Kg7 54.e8Q Kf6 55.Qee6; C) 37...Qd3?? 38.fe6 Kg7 39.Qd3 Rd3 40.ed7 Rd4 41.d8Q+-; D) 37...ef5 38.Rd2 Kg7-+) 37...Qb3 (37...Bb5 38.gf5 Rd3 39.fe6 Ke6 40.Qf6 Kd7 41.Qf7 Kc8 42.Qf8 Kb7 43.Qe7 Ka6 44.Qd6 Ka7 45.Qc7 Ka8 46.Qc8 Ka7 47.Qc7 Ka8 48.Qc8 Ka7 49.Qc7=) 38.gf5 gf5 (better 38...ef5 39.h5 g5-+) 39.Qh5= Kg7?? (better 39...Ke7!? 40.Qh6 Rd3 41.Qf6 Ke8 42.Qh8 Kf7 43.Qf6 Ke8 44.Qh8 Ke7 45.Qf6 Ke8=) 40.Nf4 (better 40.Rd1 Qd1 41.Qd1+-) 40...a3?? (better 40...Qa3+-) 41.Qg6 Kf8 (41...Kh8 42.Qf6 Kg8 43.Qd8 Kh7 44.Qd7 Kg8 45.Qe8 Kg7 46.Nh5 Kh7 47.Nf6 Kg7 48.Qg8) 42.Qf6 Ke8 (42...Kg8 43.Qd8 Kh7 44.Qd7 Kg8 45.Qe8 Kg7 46.Nh5 Kh7 47.Nf6 Kg7 48.Qg8) 43.Ng6 (43.Qh8 Ke7 44.Ng6 Kf7 45.Qh7 Ke8 46.Qe7) 43...Qb4 (43...Rh3 44.Kg1 Qb1 45.Rd1 Qd1 46.Kg2 Qh1) 44.Qh8 Kf7 45.Qh7 Ke8 1–0. Fernandez Juan,Marcos – Orriach Gonzalez,Juan M (1760), Championship Provincial Individual De C, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Bd3 Bd7)

    10.0-0 a6 11.Ng5 h6 12.Qh5 g6 13.Qh3 b5 (13...Nf5 14.Nf3=) 14.Nf3= b4 15.Bb2 Qb6 (15...Ra7 16.Rc1=) 16.c4 dc4 17.Bc4 Rc8 (17...Nd8 18.Nbd2=) 18.Nbd2+= Nd5 (18...Kd8 19.Bd3 Qa7 20.Qh4+-) 19.Ne4 Kf8?? (19...Ke7 20.Nd6 Rcf8 21.Rfc1+-) 20.Nd6 (better 20.Nc5 Qa7 21.Bd5 ed5 22.Nd7 Kg7 23.e6+-) 20...Rc7+- 21.Ng5 Nd8 (21...hg5 22.Qh8 Pinning (22.Qh8 Deflection)) 22.Nge4 Bb5 (22...Kg7 23.Nc5 Bb5 24.Qf3+-) 23.Bb5 ab5 24.Qf3 Kg7 25.Nf6 Rc3? (better 25...Nf6 26.Qf6 Kh7+-) 26.Bc3 bc3 27.Nd5 ed5 28.Qf6 (better 28.Rfb1 c2 29.Rb5 Qd4 30.Rba5 Qe5 31.Qd5 Qd5 32.Rd5+-) 28...Kh7 29.Ra5 (29.Rfc1 b4 30.Rab1 b3+-) 29...Qa5+- 30.Nf7 Rg8 31.e6 (31.f4!? Nf7 32.Qf7 Rg7 33.Qe6=) 31...Qb6 (31...Nf7 32.Qf7 Rg7 33.Qf3=) 32.Nd8 Qd8 33.e7 Qe8 (33...Qd7 34.Re1 c2 35.h3=) 34.Re1 b4 (34...c2!?+=) 35.Qd6+- b3 36.Qd5 (36.Qb4 b2 37.Qc3 Qb8+-) 36...b2 37.Qb3 (37.Qc4 Rg7 38.Qc3 Re7+=) 37...Rg7+= 38.Qc3 Re7 39.Rf1 (39.Rb1!? Re2 40.f3+=) 39...Rb7= 40.Qc2 Qd7 (better 40...Qb8!? 41.Qb1 Ra7-/+) 41.Rd1?? (better 41.h4=) 41…Qd4 ½–½. Hilbert,Stephan_Joerg (1835) – Cross,Ian K (1685), World Senior Teams +50, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 b5 11.Bd2 b4 (11...a6 12.Ng5 h6 13.Qh5=+) 12.Re1 h6 13.h3 0-0 14.g4 (14.cb4 Nb4 15.Na3 Nec6=+) 14...Ng6 15.cb4 Bb4 16.g5 Bd2 17.Nbd2? (better 17.Qd2!? hg5 18.Bg6 fg6 19.Qe3=+) 17...Nf4-+ (17...hg5?! 18.Bg6 fg6 19.Qe2-/+) 18.Bf1 hg5 19.Nb3 Qe7 20.Nc5 f6 21.ef6 gf6 22.Qd2 Rab8 (22...Rfc8 23.Rac1-+) 23.h4-/+ Rb4 24.Ra7? (better 24.hg5 Nd4! 25.Nd4 Qc5 26.Qf4 Rd4 27.Qg3-/+) 24...Nd4!-+ (24...Na7?! 25.Qb4 gh4 26.Qd2-/+) 25.Nd4 Qc5 26.Rd7 (26.Nb3 Rb3 27.Rd7 Rg3 28.Kh2 Rg4-+) 26...Rd4 27.Qe3 Qc6 (27...gh4?! 28.Rc1 Qb4 29.Rcc7=) 28.Re7 Qd6 29.Rb7 (29.Qd4 Qe7 30.hg5 fg5-+) 29...Rb4 (29...Re4 30.Qa7 Ne2 31.Be2 Rh4 32.Bd3 Qh2 33.Kf1 Qh3 34.Ke2 Qg4 35.Kd2 Qf4 36.Kc2 Rc8 37.Kb3+-) 30.Rb4 Qb4 31.hg5 fg5 32.Rc1 Qe7 33.Qb6 Qf6 34.Rc7 d4 35.Qb2 Rf7 36.Rf7 (36.Rc8 Kg7-+) 36...Kf7 (36...Qf7?! 37.Qd4 Qf5 38.Qd8 Kg7 39.Bg2-/+) 37.Qb7 Kg6 38.Qe4 Qf5 39.Qa8 Qd5 Black prepares the advance d3 (39...Qg4 40.Kh2 Qh5 41.Kg1-+) 40.Qg8 (40.Qd5 ed5 41.Bb5 d3-+) 40...Kf5 41.Qh7 Kg4 42.Qc2 d3 43.Qd2 Qf3 44.Qb2 Qd1 45.Qb7 (45.f3 Qf3 46.Qf2 Ne2 47.Be2 de2 48.Qd4 Kh3 49.Qh8 Kg3 50.Qh2 Kg4 51.Qf2 Qg3 52.Kh1 e1Q 53.Qe1 Qe1 54.Kh2 Qd2 55.Kg1 Kf3 56.Kf1 Qd1) 45...d2 46.Qh1 (46.Qa6 Qe1 47.Qc4 d1Q 48.Qf4 gf4 49.f3 Qf3 50.Kh2 Qeg3) 46…Qf1! (46...Qf1 47.Kh2 Qf2 48.Qg2 Qg2) 0-1. Bosselmann,Tom Linus (1995) - Buchenau,F (2275), Lueneburg Open A, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3)

    10.0-0 Ng6 11.Ba3 Nce7 12.h4 (12.Qd2 Bc7=) 12...h5 (12...Nf4!?=+) 13.g3= Rc8? Exerts pressure on the backward pawn (better 13...Nf5!?=) 14.Ng5+- f6 15.ef6 (15.Be7 Ne7 (15...Ke7? 16.Bg6 fg5 17.Qc1+-) 16.Nh7 Rh7 17.Bh7 f5+-) 15...gf6 16.Qc2 (better 16.Be7 Ne7 17.Nh7+=) 16...Rg8 17.Nh7 (17.Qe2 fg5 18.Qh5 Kf7 19.Be7 Ke7 20.Bg6 gh4 21.Qh4 Kd6 22.Qf4 Ke7 23.Qf7 Kd6 24.Qf4 Ke7 25.Qf7 Kd6=) 17...Kf7 18.Be7 (18.Qd1 Nf4-/+) 18...Ne7-/+ 19.Qd1 (19.Qe2 Kg7 20.Re1-/+) 19...Be8?? (better 19...Rg4!? 20.Be2 Bb6 21.Bg4 hg4 22.Nf6 Kf6-/+) 20.Qh5 (20.Re1 Bc3 21.Nc3 Rc3 22.Qf3+-) 20...Ng6? (better 20...Kg7 21.Qg4 Bg6 22.Ra5 Kh7 (worse 22...Qa5 23.h5 Kh7 24.hg6 Kg7 25.Qe6 Ng6 26.Qd7 Kh6 27.Kg2 Nh4 28.Kh3+-) 23.Qh5 Kg7 24.Bg6 Rh8+= (24...Qa5 25.Qh7 Kf8 26.Qf7)) 21.Qh6+- Ke7? (21...e5 22.Bf5 Bc3 23.Ra7 Bd4 24.Rb7 Rc7 25.Bg6 Ke7 26.Be8 e4 27.Nf6 Rb7 28.Ng8 Ke8 29.Qc6 Rd7+-) 22.h5 Bc3 23.Nc3 Rc3 24.Bg6 Qb8 (24...Bg6 25.hg6 a5 26.Rfe1+-) 25.Kh2 b5 (25...Bg6 26.hg6 e5+-) 26.Be8 Rcg3 27.Qf6 (27.fg3?? Qg3 28.Kh1 Qg2) 27...Ke8 28.Qe6 (28.fg3?? Qg3 29.Kh1 Qg2) 28...Kd8 29.Qf6 (29.fg3?? Qg3 30.Kh1 Qg2) 29...Kc8 30.Qc6 (30.fg3?? Qg3 31.Kh1 Qg2) 30...Kd8 31.Qd5 (31.Qd5 Kc8 32.Rfc1 (32.fg3?? Qg3 33.Kh1 Qh4) 32...Rc3 33.Kh1+-; 31.fg3?? Qg3 32.Kh1 Qg2) 1–0. Xu,Xianliang (1845) – Bluebaum,Johanna (1985), Nordrhein–Westfalen–Wuerttemberg, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Bd3 Bd7)

    10.0-0 Ng6 11.Ng5 Nce7 (11...Qb6 12.Qf3 Nd8 13.Ra3=) 12.Qf3 0-0 13.Qh5 h6 14.Nh3 (14.Nf7 Kf7 15.Ba3 Kg8 16.Bg6 Ng6 17.Qg6 Rf5=) 14...Be8 (14...Nf5 15.Ba3 Re8 16.Qf3=+) 15.Bh6 f5? (better 15...gh6 16.Qh6 f5+=) 16.ef6!+- Rf6 (16...Rf6 17.Bg5 Decoy; 16...gf6 17.Bf8 Pinning (17.Bf8 Deflection)) 17.Bg5 Rf8?? (better 17...Nf8 18.Qh4 Nc6+-) 18.Be7 Ne7 (18...Qe7 19.Ng5 Rf4 20.Bg6 Bg6 21.Qg6 Rh4 22.Qe6 Qe6 23.Ne6 Bb6+-) 19.Bh7 Kh8 20.Bg6 (20.Bg6 Kg8 21.Qh7) 1–0. Savory,Richard J (2095) – Wilson,Julie (1720), England, The Four Nations Chess League, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Bd3 Bd7)

    10.h4 Qc7 11.Ba3? (better is 11.Qc2!?-/+) 11...Nd4!-+ 12.Bd6 (12.Nd4 Bc3 Double attack (12...Bc3 Decoy)) 12...Nf3 13.Qf3 Bc3 14.Ke2 (14.Kd1 Qc6 15.Nc3 Qc3-+) 14...Qc6 (14...Qb6 15.Ra2 Bb2 16.Qe3-+) 15.Nc3 Qc3 16.Rac1 Qb3 17.Rc7 Nc6 18.Qf4 Qb2 19.Ke3 Qb6 20.Kd2 Qb2 21.Ke3 Qb6 22.Ke2?? (22.Kd2 Rc8 23.Rd7 Kd7 24.Qf7 Kd8-/+) 22...Qb2?? (22...Nd4 23.Ke1 Rc8 24.Rc8 Bc8 25.Qg5 Qa5 26.Kd1 Qa1 27.Kd2 Qb2 28.Ke3 Nf5 29.Bf5 d4 30.Kf3 Qc3 31.Ke2 Qb2 32.Kd1 Qa1 33.Kc2 Qc3 34.Kb1+-) 23.Kf3?? (23.Ke3 d4 24.Kf3-+) 23...Qd4 (23...f6!? 24.ef6 gf6-+) 24.Qd4-/+ Nd4 25.Ke3 Nb5 26.Bb5= Bb5 27.Rb7 a6 28.Rc1 Bc4 29.Re7 Kd8 30.Rf7 Rg8 31.Kd4 Rc8 32.g4 Rc6 33.f4 Bb5 34.Rc6+- Bc6 35.Ra7 Bd7 36.Ra6 h5 37.gh5 Rh8? 38.Ra8+/- Bc8 39.f5! ef5 40.e6 f4 41.Kd5 Rh6 42.Bf4 Rh5 43.Kd6 (43.Kd6 Rb5 44.e7 Ke8 45.Rc8 Kf7 46.e8Q Kf6 47.Qe6) 1–0. Christensen,Bo Garner – Haapasalo,Jukka_Pekka, It, Copenhagen (Denmark), 1996. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4)

    10.h4 h6 11.h5 b5 12.Rh3 b4 13.Rg3 bc3 14.Kf1 Nf5 (14...Kf8!?-/+) 15.Bf5=+ ef5 16.Rg7 Be6 17.Ba3 Rc8 18.Qa4 c2 19.Nbd2? (19.Qc2 Ne5 20.Bc5 Nd7-/+) 19...Qb6 (19...Bd2 20.Nd2 Qh4 21.Rc1 Qd4 22.Qc2 Ne5 23.Nb3 Qc4 24.Qc4 Nc4 25.Ra1-+) 20.Nb3 (20.Qc2 Nd4 21.Qa4 Qb5 22.Qb5 Nb5 23.Bd6-+) 20...Bb4 21.Rc1? (21.Bc1 Bd7 22.Nc5 Bc5 23.dc5 Qc5-+) 21...Ba3 (21...Kf8 22.Rg3 f4 23.Rh3 Bh3 24.gh3 Ba3 25.Qa3 Nb4 26.Na1-+) 22.Qa3 Qb4 (better 22...Qb5 23.Ke1 Nb4-+) 23.Qa2? (23.Qb4 Nb4 24.Nc5 f4-+) 23...Qc4 (better 23...Kf8 24.Rg3 f4-+) 24.Kg1-/+ Nb4 25.Qa4 (25.Qa3 Nd3 26.Kh2 a5-+) 25...Kf8 (better 25...Bd7 26.Qa3 Nd3-+) 26.Nc5?? (26.Nfd2 Qe2 27.Rg3 Nd3 28.Rd3 Qd3 29.Qb4 Kg8-/+) 26...Kg7 (better 26...Rc5 27.dc5 Kg7-+) 27.Ne6 Kh7 (27...Kg8 28.Nc5-+) 28.Qd7 Rhf8?? (better 28...Kg8-/+) 29.Nf8+/- Rf8 30.Qf5 (30.Qa7?? Nd3 31.Rc2 Qc2-+) 30...Kg7 (30...Kg8!?+=) 31.Qf6+/- Kh7 (better 31...Kg8 32.Qh6 Qd3 33.Qg5 Kh7+/-) 32.Nh4?? (better 32.e6 Qa6 33.e7 Qf6 34.ef8Q+-) 32...Qd3?? (32...Qd4!? 33.Kh2 Qg4 34.g3-+) 33.Nf5? (better 33.e6 Qd1 34.Kh2+=) 33...Qd1-+ 34.Kh2 Qh5 35.Kg1 Qd1 (better 35...Qg5 36.Qg5 hg5-+) 36.Kh2= Qh5 37.Kg1 Qg5 38.Qd6?? (better 38.Qg5 hg5 39.Kf1-+) 38...Qc1 39.Kh2 Rg8 (39...Qf4 40.g3 Qf2 41.Kh3 Qf1 42.Kh2 c1Q 43.Qh6 Qh6 44.Nh6 Rc8 45.g4 Qf2 46.Kh3 Rc3) 40.Qh6 Qh6 41.Nh6 Kh6 (41...Kh6 42.g4 c1Q 43.Kg2 Rg4 44.Kh3 Qg5 45.e6 Qh4) 0-1. Grabinsky,V (2215) - Buchenau,F (2275), Titled Tuesday 2nd June, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3)

    9.Bd3 Nf5

    10.0-0 Qd7 11.c4 Bc7 (11...0-0 12.c5=+) 12.Bf5= ef5 13.cd5 Qd5 14.Nc3 Qc4 15.Bb2 Be6 16.d5 Rd8 17.Nd2? (17.d6 Ba5 18.Ne2 0-0=+) 17...Rd5 (better 17...Qb4!? 18.Qc2 Bd5-/+) 18.Nc4 Rd1 19.Rfd1 Bc4 20.Nd5 Bb8 (20...Bd5 21.Rd5 Ke7 22.f4=+) 21.Rac1= Ba6 (21...Bb3 22.Rd3 Ba2 23.f4=) 22.Nb4 Bb5 (22...Be5?? 23.Nc6 bc6 24.Be5+-) 23.Rc5 a6 ½–½. Buchaillot,L – Tonetti,P, San Luis op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 h6 11.Ba3 Bd7 12.Qe2 a6 13.Rc1 Nfe7 14.Nbd2 0-0 15.Nf1 (15.Nb3 Bc7=) 15...f5 (15...b5 16.N1d2=+) 16.ef6= Rf6 17.Ng3 (17.Ne3 Bc7=) 17...Bc7=+ 18.Re1 Be8 19.Ne5 Ne5 20.de5 Rf4 21.Qe3 Rf7 22.Rab1 (22.Bc5 Nc6 23.f4 Qh4=+) 22...Bb5 (22...b5!?-/+) 23.Bb5 ab5 24.Be7 Qe7 25.Rb5 Raf8 (25...Bb8 26.Rb2=+) 26.f3 b6 27.Rb4 (27.Ra1 Rf4=) 27...Qc5 (27...Ra8 28.Rb5=) 28.Rd4 (28.Ra4!?=) 28...b5=+ 29.Kh1 Bb6 30.Qd2 b4 (better 30...Ra7!?=+) 31.Rb4+= Ba5 32.Rg4 (better 32.Rb3+=) 32...Qc3-/+ 33.Qc3 Bc3 34.Re3 Ra8 35.h4 Bd2 36.Re2 Ra1 37.Kh2 Bf4 38.Kh3 (38.Rg6 Ra6 39.Kh3 d4=+) 38...d4 (38...g5 39.Rc2-+) 39.Rb2? (39.Re4 d3 40.Ref4 Rf4 41.Rf4 d2=+) 39...h5 (39...d3!? 40.Rb8 Kh7 41.Rd8-/+) 40.Rb8 Kh7 41.Rf4 Rf4 42.Ne2 Rf5 43.Nd4 Re5 44.Rb6 Rae1 45.f4 (45.g3 Kg8-/+) 45...R5e3 (45...R1e3 46.Nf3 Rf5 47.Kg3-+) 46.Nf3 (46.Kh2!?=+) 46...Kg6-+ 47.Rb5 Rd1 48.Rg5 Kh6 49.Rc5 (49.Re5 Re5 50.Ne5 Rh1 51.Kg3 Rf1-/+) 49...Rd5-+ 50.Rc6 Kg6 51.Rc7 (51.Kg3 Kf6-+) 51...Kf6 (51...Rf5 52.Kg3-+) 52.Kg3 (52.Rc8 Ra5-+) 52...Rd2 53.Rc5 g6 54.Rg5 (54.Re5 Rde2 55.Re3 Re3-+) 54...Rd5 (54...Rb2!? 55.Re5 Re5 56.fe5 Kf5 57.Ne1-+) 55.Kf2 Re4 56.g3 Rf5 57.Nd2 Ra4 58.Nf3 Rg5 (58...Ra2 59.Ke3-+) 59.hg5-/+ Kf5 60.Kg2 (60.Nh4 Kg4 61.Ng6 Ra2 62.Ke3 Kg3-/+) 60...Ra3 61.Kf2? (better 61.Ne5-+) 61...Ra2 62.Ke3 Kg4 63.Ne5 Kg3 64.Ng6 h4 65.Nf8 (65.Nh4 Kh4 66.Ke4-+) 65...Ra8 66.Ne6 h3 0–1. Martiyan,A (2170) – Tukhaev,A (2530), TCh–UKR Clubs, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.Ba3 Rb8 11.0-0 b5 12.Bc5 a6 13.Nfd2 Bb6 14.Ba3 b4 15.Bb4 Nb4 16.Bf5 ef5 17.Qa4 Qd7 18.Qb4 a5 19.Qa3 f4 20.Nf3 g5 (20...Qc6 21.Qc1=) 21.Nbd2 (better is 21.Ng5!? Qe7 22.Nf3 Qa3 23.Na3+=) 21...g4= 22.e6 fe6 (22...Qe6 23.Rfe1 gf3 24.Qd6+-) 23.Ne5 Qg7 24.Qd6 Bc7 25.Qc6 Kd8 26.c4 Bd7 27.Nd7 Qd7 28.cd5 Qc6 (28...Qd5!? 29.Qc3 f3-/+) 29.dc6+= Rb4 30.Ne4 Ke7 31.Nc5 Rd4 32.Na6 Rc8 33.Nc7 Rc7 34.Ra5 Kf6 35.Rc5= Rd6 36.Rfc1 e5 37.Kf1 h5 38.Re1 Re6 39.Rec1= h4 40.Ke2 Kf5 41.R1c3 Rd6 42.R3c4 Ke6 43.g3 hg3 44.hg3 Rd5 45.gf4 ½–½. Hoiberg,Nina (2285) – Andersen,Jens Knud, DEN–chB Denmark, 1988. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4)

    10.Ba3 Nfd4 11.Nd4+= Nd4 (better 11...Ne5!? 12.Be2 Bc7+=) 12.Qg4+- Nf5 (12...Nb3 13.Qa4 Bd7 14.Qb3+-) 13.Bf5+- ef5 (better 13...g6 14.Bd3 Bc7+-) 14.Qg7 Kd7 15.Bd6 (15.Qf7 Kc6 16.Be7 Bc3 17.Nc3 Qg8 18.Qf6 Be6+-) 15...Kc6 (15...Qg8 16.Qg8 Rg8 17.Ra5 f6 18.Rd5 Ke6+-) 16.Ra5! Re8 (16...Qa5 17.Qh8 Deflection (17.Qh8 Overloading)) 17.Rc5 Kb6 1–0. Schulz,H – Haeberli,Juerg, Lenk op, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.Kf1 h5 11.Ba3 h4 12.Qb3 h3 13.g4 Nh4 14.Nbd2 Ng2 15.Bb5 Bd7 16.Rd1 Nf4 17.c4 (17.Bd6 a6 18.Be2 Ne2 19.Ke2 Na7-/+) 17...a6 18.Ba4 b5 (better 18...Bd2!? 19.Nd2 b5 20.Qg3-+) 19.cb5-/+ ab5 20.Bb5 Rb8 21.Qa4? (21.Qe3 Ng2 (21...Rb5?! 22.Qf4 Bd2 23.Nd2-/+) 22.Qd3 Ne5 23.Bd7 Nd7-+) 21...Ne5! 22.Bd7 (22.de5 Bb5 Double attack (22...Bb5 Discovered attack; 22...Bb5 Decoy); 22.Ne5 Bb5 Discovered attack (22...Bb5 Decoy)) 22...Nd7 23.Ne5 Ra8 24.Qc6 Rc8 25.Qd6 Bc7 26.Qb4 Be5 27.de5 Nd3 28.Qb5 N3e5 29.Bb2?? (29.Rg1 Rh4 30.Bd6 Ng4-+) 29...Ng4 (29...Rb8 30.Qa4 Rb2 31.Rg1-+) 30.Rg1 (30.Bg7 Rg8 31.Bd4-+) 30...Nh2 31.Ke2 Qb6 (better 31...Rb8 32.Qd3 Rb2-+) 32.Qb6 Nb6 33.Bg7 (33.Be5 f6 34.Bh2 g5-+) 33...Rg8 34.Be5 Ng4 35.Bg3 (35.f3 Nc4 36.Bf4-+) 35...Nc4 36.Rh1 Nd2 37.Rd2 Nf6 (better 37...Rh8 38.f3 Nf6 39.Be5-+) 38.Rh3 Ne4 39.Ra2?? (39.Rb2-+) 39...Nc3 40.Kd3 Na2 0-1. Sochacki,W (2320) - Terrieux,K (2445), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3)

    10.h4 h5 (10...0-0 11.h5-/+) 11.Kf1 (11.Bg5 Qd7=+) 11...Bd7 (11...0-0 12.Ba3 Re8 13.Ng5=) 12.Ng5 (12.Rh3 0-0=+) 12...Nce7 13.Rh3 Qb6 14.Kg1 Bb5 15.Bc2 Rc8 Attacks the backward pawn on c3 (15...Qc7 16.Ba3=+) 16.Ba3= Rc6 (16...Qd8 17.Qf3 g6 18.c4 Rc4 19.Be7 Ke7 20.Bf5 gf5 21.Qa3 Bb4 22.Qb2=+) 17.Bc5 Qc7 18.Na3 (worse 18.Ba7 b6 (18...Bc3 19.Nc3 Rc3 20.Bb6 Qb6 21.Rc3 Nd4 22.Rb3 Nb3 23.Ra8 Kd7 24.Rh8+=) 19.Ra5 ba5-/+) 18...Ba6 (18...Rc5 19.dc5 Bd7 20.Ba4+=) 19.Ba4+= Ng6 20.Nb5 (worse 20.Ba7 Nf4 21.Bc6 bc6=) 20...Bb5 21.Bb5 Bb6 22.Bb6 Qb6 23.Bc6 bc6 24.Rb1 (24.Qa4!?+-) 24...Qc7+- 25.g3 Nge7 26.Kg2 Nc8 27.Rh1 Nb6 28.Qb3 0-0 29.Qd1 g6 30.g4 hg4 31.Qg4 Nc4 32.Rh3 Rb8 (32...c5 33.h5 Nh6+-) 33.Ne6!+- Qc8 (33...fe6 34.Qg6 Double attack) 34.Rb8+- Qb8 35.Ng5 (35.Nc5 Qb2 36.Qg5 Qe2+-) 35...Qb2 36.Qf4 Qd2 37.Qd2 Nd2 38.Rh1 (38.h5 Kg7 39.f4 a5+-) 38...a5 39.Kh3 Nb3 40.Rb1 a4 41.Rb2 Kf8? (better 41...c5 42.Ra2 cd4 43.cd4 Nbd4 44.Ra4 Nc6+-) 42.Ra2 c5 43.Ra4 cd4 44.cd4 Nbd4 45.Ra8 Ke7 46.Ra7 Ke8 47.Nf7 Nc6 48.Ra6 Nfd4 49.Nh8 (49.Nd6 Kd7 50.f4 Ne6+-) 49...Ne5 50.Ng6 Nd3 51.f4 Nf2 52.Kg2 Ng4 53.Ne5 Ne3 54.Kf2 Nd1 55.Kg3 Nf5 56.Kg4 Nde3 57.Kg5 Ng3 (57...Ke7+-) 58.Re6 (58.Re6 Kd8 59.Nf7 Kd7 60.Re3 Ne4 61.Kf5+-) 1–0. Levi,Eddy (2315) – Gluzman,Mikhail (2440), Sydney op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    9.Bd3 9.Bd3 Ng6

    10.0-0 0-0 11.Qc2 (11.Ng5 Nce7=) 11...Bd7 12.Qb3 (12.Ba3 Re8=) 12...Qb6=+ 13.Qa2 Rfc8 (13...Qc7 14.Be3=+) 14.Ba3 (14.Bd2 Nf8=+) 14...Qd8 (14...Nf4 15.Qd2 Nd3 16.Qd3-/+) 15.Bc1 (15.Bg6 fg6 16.Qd2 Bb6=+) 15...a6 16.Qe2 (16.Bg5 Qc7 17.c4 dc4 18.Bg6 hg6 19.Qc4-/+) 16...Na7 (16...b5 17.Ng5 Nce7 18.Qf3-/+) 17.Bd2 (17.Ng5 Bc3 18.Nf7 Kf7 19.Bg6 Kg6 20.Qd3 Kf7 21.Nc3-/+) 17...Bb5-/+ 18.Bb5 (18.c4 dc4 19.Bg6 c3-/+) 18...Nb5 (18...ab5?! 19.Qd3=) 19.Ra5 (19.Rc1 Rc4-/+) 19...Qa5-+ 20.c4 Nd4! 21.Nd4 (21.Ba5?? Ne2 22.Kh1 dc4-+) 21...Qa4 (21...Qc5 22.Nf3 Qc4 23.Qe3-+) 22.Nc3-/+ Qc4 23.Qe3 b5 24.Rc1 (24.Nce2-/+) 24...b4 (24...Qb4 25.Rd1-/+) 25.Ne4 (better 25.Nce2!? Qa2 26.Bb4 Rc1 27.Nc1-/+) 25...Qa2-+ 26.Nc5 Ne5! 27.Bb4 (27.Qe5 Qd2 Deflection (27...Qd2 Overloading)) 27...Nc4 (27...a5 28.Qe5 Qb2 29.Qe3 Qb4 30.Nf3-+) 28.Qe1 (28.Qg3 Qb2 29.Ncb3 Nd6-/+) 28...Qb2 (28...a5 29.Rc2 ab4 30.Ra2 Ra2 31.Ncb3-+) 29.Bc3 (better 29.Ncb3!? a5 30.Rc2 ab4 31.Rb2 Nb2 32.Qd2=+) 29...Qb6-+ 30.Nd7?? (better 30.Na4 Qb8 31.Nf3-+) 30...Qd6 31.Nc5 (31.Nf6 gf6 32.Qd1 Qf4-+) 31...Rc5 (31...Qc5 32.Nf3-+) 32.Qd1 (32.Bb4 a5 33.Ra1-+) 32...Qf4 (32...Rac8 33.Qg4 Ne3 34.fe3 Rc3 35.Re1-+) 33.g3 (33.Ne2 Qg5-+) 33...Qe4 34.Qh5 (34.Nf3 Rac8 35.Bd4 R5c6-+) 34...Qg6 (better 34...Ne3 35.fe3 Qe3 36.Kg2 Qc1 37.Ne2-+) 35.Qf3 (35.Qd1 e5 36.Nb3 Rb5-+) 35...Rac8 (better 35...Ne5 36.Qe2 Nd3 37.Rc2-+) 36.h4 (36.Nb3 R5c7-+) 36...Nd6 (better 36...Ne5 37.Qe3 Nd3 38.h5-+) 37.Ne2 (37.Nb3 Rc4 38.Bd2 Rc1 39.Nc1 Qc2-+) 37...Qe4 38.Qh5 (38.Kg2 d4! 39.Bd2 Rc1 40.Nc1 Rc2-+) 38...Nb5 (38...d4 39.Qc5 Rc5 40.Nd4 Rc3 41.Rc3 Qe1 42.Kg2 Qc3 43.Ne2-+) 39.f3 (39.Bd2 Rc1 40.Nc1-+) 39...Qe3 40.Kh2 Qe2 41.Kh3 Rc3 42.Rc3 Nc3 (42...Rc3 43.Qe5 Qe5 44.h5 Rc2 45.Kh4 Rh2 46.Kg4 Qf5) 43.Qg5 (43.f4 Qf1 44.Kg4 Ne4 45.Qe5 Qd1 46.Kh3 Qh1 47.Kg4 Nf2 48.Kg5 h6 49.Kh5 Qf3 50.g4 Qg4) 43…Qf3 (43...Qf3 44.Qg7 Kg7 45.Kh2 Ne4 46.g4 Rc2 47.Kg1 Qd1; 43...Qf1 44.Kg4 f5 45.Kf4 Qc4 46.Ke5 Qc7 47.Kd4 Qc5 48.Ke5 d4 49.Ke6 Qd5 50.Ke7 Rc7 51.Ke8 Qd7) 0–1. Tomisek,Petr – Ryslink,Daniel (2010), ProMoPro Open, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.h4 Qc7 11.0-0 (11.Qc2 Nge7=+) 11...Qd8 12.g3 (12.h5 Nh4=+) 12...Bc7 (12...Nge7 13.h5-/+) 13.Kg2 (better 13.h5 Nge7 14.h6 gh6 15.Bh6=) 13...Nge5 (better 13...f6!? 14.h5 Nge7-/+) 14.de5 Ne5 (14...Be5 15.Ne5 Ne5 16.Bc2+=) 15.Ne5 Be5 16.Re1 Bd6 17.Bb5 Bd7 (17...Kf8 18.c4 Bb4 19.Re3+-) 18.Qd5 0-0 (18...a6!? 19.Qd6 Bb5 20.Qd8 Rd8+-) 19.Qb7+- (worse 19.Qd6 Bc6 20.Bc6 Qd6 21.Bb7 Rad8=) 19...Bb5 20.Qb5 Qc7 21.Ba3 (21.Be3 Rfb8 22.Qa6 Be5+-) 21...Rfc8 (21...Rfd8 22.Re4+-) 22.Qd3 (22.Bd6 Qd6 23.Ra6 Qc7+-) 22...Rd8 (22...Be5 23.Qe4 Bf6 24.Rd1+-) 23.Bd6 (23.Qe4 Rab8+-) 23...Rd6 24.Qf3 Qd8 (24...Rad8 25.Na3 Rd3 26.Re3 Re3 27.Qe3+- (27.fe3?! Qc3 28.Rd1 Rd5+-)) 25.Ra4 (25.Na3 Rb8+-) 25...h6 (25...Rd3 26.Re3 Re3 27.fe3+-) 26.Rf4 (26.c4 Rd3 27.Re3 Re3 28.Qe3 a6+-) 26...Rd7 (26...Rd3 27.Re3 Re3 28.Qe3+-) 27.Na3 Rc8 (27...Rd3 28.Re3 Re3 29.Qe3+-) 28.Nb5 (28.Nc4 Rd3 29.Re3 Re3 30.Ne3 Qf8+-) 28...a6 29.Nd4 Qa5? (better 29...Qc7 30.Ne2 e5+-) 30.Nc6 Qa3 (30...Qc5 31.Ne5 Rd5 32.Nf7+-) 31.Ne5 Rdc7 32.Rf7 Qc3 33.Qc3 Rc3 34.Re7 (34.Ra7 Ra3+-) 34...a5 35.Re6 (35.Ra1 R8c5 36.Re6 Rc2+-) 35...Ra8 36.Nd7 (36.Re7 a4 37.Rd1 Kh7+-) 36...a4 37.Re8 Re8 38.Re8 Kf7 39.Ra8 a3 40.Ne5 (better 40.Ra4!? Kg8+-) 40...Ke6 41.Ra5 Kd6 (41...h5 42.Ng6 Kd7 43.Nf4+-) 42.Ra3! (42.Ra3 Ra3 43.Nc4 Kc5 44.Na3+-) 1–0. Noori,Amir (2130) – Azali,Mahdad (1695), Asian Seniors Over, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.h4 Nge7 11.Ba3 (11.Qc2 Bd7=+) 11...Rb8 (11...a6 12.Qc2=+) 12.0-0 (12.h5 h6=+) 12...b5 (12...Ng6 13.g3=+) 13.Bd6 Bc7 14.Bc7 (14.Bc5 a6=+) 14...Qc7 15.Nh2 (15.Na3 a6-/+) 15...Nf5 (15...b4 16.Qg4 0-0 17.cb4 Nb4 18.Be2-/+) 16.h5 (16.Bf5 ef5 17.h5 a5=+) 16...h6 (16...Nce7 17.Nf3=+) 17.g4 (17.Qf3 Nfe7=+) 17...Nh4-/+ 18.f4 (18.Qc1 a5-/+) 18...Qe7 (18...b4 19.Qe1 Qe7 20.cb4 Nb4 21.Qe2-/+) 19.Nd2 (19.Na3 a6-/+) 19...b4 20.Qa4 (20.cb4 Rb4 (worse 20...Nb4 21.Qa4 Bd7 22.Qa7=) 21.Ndf3 Bd7-/+ (21...Nd4 22.Nd4 Qc5 23.Bb5 Kd8 24.Ra4 Rb5 25.Qe1+-)) 20...Bd7 21.Bb5 (better 21.Qc2-/+) 21...bc3 (better 21...Ne5 22.Qb4 Bb5 23.Qe7 Ke7 24.fe5 a6-/+) 22.Bc6= cd2 23.Qa7 (23.Bd7 Qd7 24.Qd7 Kd7 25.Ra7 Kc6+=) 23...Rc8 24.Bd7 Qd7 25.Qd7 Kd7 26.Ra2 (26.Ra7 Kc6=) 26...g6 (26...f5 27.ef6 gf6 28.Rd2=) 27.hg6 (worse 27.Rd2 gh5 28.Kf2 Rhg8-/+) 27...fg6 28.Rd2 ½–½. Haarr,Jon Kristian (2155) – De Lillo,Michele (1930), 8th Gibtelecom Masters, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.h4 f5 11.h5+= Nge7 12.h6 g6 (12...Rg8 13.hg7 Rg7 14.Kf1+=) 13.Bg5+/- Qb6 (13...0-0!?+/-) 14.0-0 0-0? (14...Qb2 15.Ra3 Bc7 16.Bf6+-) 15.Qe2 (better is 15.Be7!? Ne7 16.Qa4+-) 15...a6 16.Qa2 Qa7?? (16...Qd8+/-) 17.c4 (better is 17.Be7 Ne7 18.Qa5+-) 17...Bd8+= 18.Qb2 (18.Nbd2 Nd4 19.Be7 Be7 20.cd5 b5+=) 18...dc4 19.Bc4 b5 20.Ba2 Nd5 (20...Bb6 21.Rd1 Rd8 22.d5 Rd5 23.Bd5 Nd5 24.Na3+=) 21.Rd1 (21.Bd5!? ed5 22.Bd8 Nd8 23.Nc3+=) 21...Bg5= 22.Ng5 Qe7 23.Qc1 (better is 23.Bd5 ed5 24.f4+=) 23...Ncb4-/+ 24.Bb3 Bb7 (24...a5!? 25.f4 Bb7-/+) 25.Qd2+= f4 (better is 25...a5 26.Na3 Qd7+=) 26.Nf3? (better is 26.Ne6!? Qe6 27.Qb4+=) 26...g5 (26...Rac8 27.Rc1 Rc1 28.Qc1-+) 27.Na3 (27.Nc3 g4 28.Ne1 Nc3 29.Qc3-+) 27...g4-+ 28.Nh2 Qh4 Black plans g3 (better is 28...g3 29.Nf3 gf2 30.Qf2 Rac8-+) 29.f3?? (29.Nc2 Nc2 30.Bc2-+) 29...g3 30.Ng4 Rf5 31.Nc2 (31.Rdc1-+) 31...Rh5 32.Nf6 Kf7 0–1. Snasel,Michal (1700) – Trochta,Vojtech (1750), Brno CZE, 5th Open, 2014.

    10.h4 h6!?+=.

    9.Bd3 h6

    10.0-0 0-0 11.Bc2 f5 12.ef6 (12.Bd3 Bd7=+) 12...Rf6 13.Qd3 Bc7 (13...Nf5 14.Nbd2=+) 14.Re1 (14.Qh7 Kf7=) 14...Ng6=+ 15.Nbd2 (15.Be3 b6=+) 15...e5 16.Bb3 (16.de5 Nce5 17.Qd4 Bb6-/+) 16...Be6 (16...Nf4 17.Qf1 Rg6 18.g3-+) 17.de5 Nge5 18.Ne5 Ne5 19.Qe2 (19.Qd4 Nc6 20.Qd3 Qd6-/+) 19...Qd6 (19...Ng4 20.Nf3 Bb6 21.Rf1-+) 20.Ba3 Qc6 21.f3 (21.Be7!? Rf7 22.Bh4-/+) 21...Ng6 (21...Qc3 22.Rac1 Qd4 23.Kh1-+) 22.g3 (22.c4 Nf4 23.Qf1 Ba5 24.cd5 Qb6 25.Kh1 Bd2-+) 22...Qc3 23.Rac1 Qd4 24.Kh1 Ba5 25.Rc2 (25.Rcd1 Qc3 26.Qb5 Bf7 27.Bd5 Qa3-+) 25...Bc3 26.Rd1 (26.Qe3 Qe3 27.Re3 Bd2 28.Rd2 Rd8-/+) 26...Qe5-+ 27.Qe5 Be5 28.f4 Bd4 (28...Nf4 29.gf4 Rf4 30.Re1=+) 29.Nf3 Bb6 30.Re2 Kh7 (better 30...Bf7-/+) 31.Re6? (better 31.Bb2!? Bg4 32.Bd5-/+) 31...Re6-+ 32.f5 Re3 33.fg6 Kh8 (better 33...Kg6!? 34.Nh4 Kh7 35.Bc2 Kg8-+) 34.Bd5-/+ Ra3 35.Ne5 Ra5 36.Nf7 Kg8 37.Nh6 Kf8 38.Rf1 (38.Bb7 Rb8 39.Rf1 Ke7 40.Rf7 Ke6 41.Rg7 Rd8-/+) 38...Ke7 39.Rf7 Kd6 40.Bb7 Ra1 41.Kg2 Rh8 (better 41...Ra2!? 42.Kf3 Rb8 (42...gh6 43.Ba8 Rf2 44.Kg4 Rf7 45.gf7+-) 43.Nf5 Ke5 44.Ng7 Rf2 (44...Rh2?! 45.Rf5 Kd6 46.Rf6 Kc5 47.Ne6 Kc4 48.Rf4 Kd3 49.g7=) 45.Kg4 Rf7 (45...Rh2 46.Rf5 Kd6 47.Rf6 Ke7 48.Rf7 Kd6 49.Rf6 Kd7 50.Bc6 Ke7 51.Re6 Kf8 52.Nf5+-) 46.gf7 Rf8-/+) 42.Nf5= Ke5 43.h4 a5 (43...Bd8!?=) 44.Ng7+= a4 (44...Ra2!? 45.Kh3 Rf2+-) 45.Rf5+- Kd6 46.Rf6 Kc5 (46...Kc7 47.Rf7 Kb8+-) 47.Ne6 Kb4 48.g7 Rg8 49.Rf8 (49.Rf4 Kb5 50.Rf8 Rg7 51.Ng7 a3 52.Rf5 Kb4 53.Rf4 Kb5+-) 49...Rg1 (49...Rg7 50.Ng7 a3 51.Rf4 Kc3 52.Kh3+-) 50.Kh3 a3 (50...Bc7 51.Bg2 Rg7 52.Ng7 a3+-) 51.Rg8 a2 52.Ra8 (52.Ra8 a1Q 53.Ra1 Ra1 54.g8Q+-) 1–0. Sochacki,Wojtek (2315) – Ghaledar,Faraz (2085), 50th World Juniors, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 0-0 11.Bc2 Ng6 12.Ba3 (12.Qd3 f5=) 12...Nce7 (12...Re8!?=) 13.Bg6+= Ng6 14.Bf8 Nf8 15.Qd3 a6 (15...Bd7 16.Na3+=) 16.Nfd2 (16.Nbd2 Bd7+=) 16...b5= 17.f4 (17.Nb3 Bb6=) 17...Bb6 (17...Qc7 18.Nb3 Bb6 19.Na3=) 18.Na3 Ra7 (18...Bb7 19.Nc2=) 19.Kh1 (19.Nc2 Bd7+=) 19...Bd7 (19...Ng6 20.Nb3=) 20.g4 White prepares the advance f5 (20.Nc2 Ng6=) 20...g6 (20...Rc7 21.f5 Qg5 22.f6=) 21.Qh3 (21.Nc2 Ra8+=) 21...Kg7 (21...Qc8 22.Qe3+=) 22.Rg1 (22.Nc2 Qc8=) 22...b4 (better 22...Rc7 23.Qd3 g5 24.fg5 Qg5=) 23.Nf3?? White plans g5 (better 23.Nc2 bc3 24.Qc3+=) 23...ba3-+ 24.f5 Nh7 (better 24...f6-+) 25.f6=+ Nf6 26.ef6 Qf6 27.g5 hg5 28.Ng5 Bb5 29.Rae1 (better 29.Ra3 Bc4 30.Raa1=) 29...Re7 (better 29...Kg8 30.Nf7 Rf7 (worse 30...Qf7 31.Re6 Kg7 32.Rb6+-; 30...Kf7?! 31.Rg3 Kg7 32.Re6 Qf1 33.Qf1 Bf1 34.Reg6 Kf7 35.Rb6=) 31.Re6 Qf3 32.Qf3 Rf3 33.Rb6 Kf7 34.Rbg6 Bd3=) 30.Re3= a2 31.Qh7 Kf8 32.Rf3 Qg7 33.Qh4?? (better 33.Rf7 Qf7 34.Nf7 Rf7 35.Qg6+=) 33...Ke8 34.Nh7 (34.Ra1 Bc4 35.Qf2 Bc7 36.Ra2 Qh6-+) 34...Kd8 (34...f5 35.Rh3 Bd8 36.Nf6 Kf7 37.Nh7-+) 35.Nf6 (35.Ng5 f6 36.Qf4 Ke8 (36...fg5?! 37.Qb8 Kd7 38.Qb6=+) 37.Qf6 Qf6 38.Rf6 Ba5-+) 35...Bc7 (35...Bc4 36.Qg5-+) 36.Qg5 (36.Rh3 Bd6 37.Qf2 Bc4-+) 36...Bd6 37.Rh3 (37.Rf2 Bc4-+) 37...Kc7 38.Rh7 (38.Kg2 Bc4-+) 38...Qf8 39.Qd2 (39.Qc1 Bc4-+) 39...Bc4 40.Qc2 (40.Ra1 Qb8 41.Qc2 Qb3 42.Qb3 Bb3-+) 40...Qb8 41.Qa4 (41.Ra1 Qb3 42.Qb3 Bb3-+) 41...e5 (better 41...Qb1! 42.Qd1 Qf5 43.Rg2 Qf6 44.Rg1-+) 42.Rg7 (42.Qc2 Qb5-+) 42...Qb5 (42...ed4 43.cd4 Qh8 44.Ne8 Re8 45.Rf7 Kb6 46.Rf2-+) 43.Qc2 (43.Qb5 ab5 44.Ng8-+) 43...ed4 44.Qf2 (44.Rh7 Re2 45.Qd1-+) 44...Re2 45.Rf7 Kc6 46.Qe2 Be2 (46...Be2 47.Ne4 de4 48.Rc1 Qb2 49.cd4 Qc1 50.Kg2 Bf3 51.Rf3 Qd2 52.Rf2 Qg5 53.Kh3 Qh5 54.Kg2 Qg4 55.Kh1 a1Q 56.Rf1 Qf1) 0–1. Georgakopoulos,Nikolaos – Serpetsidakis,Nikolaos, Greek Youth Team Ch, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 0-0 11.Bc2 Ng6 12.Qd3 Re8 13.h4 Nce7 (13...a6 14.h5 Nf8 15.Ba3=+) 14.h5 (14.Ba4 Nc6=) 14...Nf8=+ 15.Ba3 Bd7 16.g4 (16.Nbd2 a6=+) 16...a6-/+ 17.Qe3 White prepares g5 17...Bb5 18.Rd1 Rc8 19.g5 Nf5 (better 19...hg5 20.Ng5 Nf5 21.Bf5 ef5 22.Bf8 Kf8-/+) 20.Bf5= ef5 21.gh6 Ne6 22.hg7 f4 23.Qd2 Kg7 (23...Ng5!? 24.Nh2 Nh3 25.Kh1 Qh4-/+) 24.Kh1 Kh6 25.Rg1 Rg8 (25...Kh5 26.Qc2 Kh6 27.Qf5+-) 26.Rg8 Qg8 27.Be7 (27.Nh2=+) 27...Qg4 (27...Bf1 28.Nh4 Qg4 29.f3 Qh3 30.Qh2 Qh2 31.Kh2-/+) 28.Nh2=+ (28.Ra5?? Qf3 29.Kh2 Qh5 30.Bh4 Qh4 31.Kg2 Rg8 32.Kf3 Qh1) 28...Qh5 29.Na3?? (better 29.Ra5 Qg6 30.Qd1-/+) 29...Bc3 (better 29...Be2 30.Bg5 Kg5 31.Rg1 Kh6-+) 30.Qc2 (30.Bf8 Nf8 31.Qf4 Kh7 32.Rg1-+) 30...Be2 31.Bf6 Bf3 32.Kg1 Rg8 (32...Rg8 33.Qg6 Rg6 34.Bg5 Qg5 35.Ng4 Qg4 36.Kf1 Qg2) 0-1. Grabinsky,V (2215) - Sokolin,L (2495), Titled Tuesday, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3)

    10.0-0 a6 11.Ba3 Bd7 12.g3 b5-/+ 13.Bc5 Bb6 14.Bb6 Qb6 15.Nbd2 Na5 16.Qe2 0-0 17.Bc2 Rfc8 18.Qd3 g6 19.h4 (19.Rfb1 Kg7=+) 19...Kg7 20.h5 b4 21.cb4 Nac6 22.Qe3 Nb4 (22...Qb4? 23.Rfb1 Nd4 24.Nd4+- (worse 24.Qd4 Qd4 25.Nd4 Nc6 26.Nc6 Rc6+-)) 23.Qf4? (better 23.Bb1-/+) 23...Nc2-+ (23...Rc2 24.Qf6 Kg8 25.Qe7=) 24.Qf6 Kg8 25.Qe7 Qd8 (better 25...Na1 26.Ra1 Qd8 27.Qd8 Rd8 28.hg6 fg6-+) 26.Qd8-/+ Rd8 27.Ra5 Bb5 28.Rc1 Rdc8 29.hg6 fg6 30.Nb3 Rc3 (30...Rc4 31.Kg2-/+) 31.Nc5 Attacking the isolated pawn on a6 31...Kf7 32.Ra2 Rf3 (32...Nb4 33.Rc3 Na2 34.Rc2-/+) 33.Rcc2=+ Ke7 34.Kg2 Rff8 35.Rc1 (35.Rcb2 g5=+) 35...Bc4 36.Ra3 Rab8 (36...Rfb8 37.Rh1 h5 38.g4-/+) 37.Rc2 (37.Rc4 dc4 38.Ra6 c3 39.Re6 Kf7 40.Rf6 Kg8 41.Rg6 Kh7=) 37...Rb1 (37...Rb6 38.Ne4-/+) 38.f4 (38.Rc4!? dc4 39.Ra6=) 38...g5 (38...Rb6 39.Kf3-/+) 39.Rf2 (39.Rc4 dc4 40.Ra6 gf4 41.Re6 Kf7 42.gf4-/+) 39...g4 40.Rd2 h5 41.Ra5 (41.Na6?? Ra8-+) 41...Rfb8 (41...h4 42.gh4 Rf4-/+) 42.Na6=+ Ra8 43.Nb4 Ra5 44.Nc6 Kd7 45.Na5 Rb5 46.Nc4 dc4 47.Rc2 Rb4 48.Kf2 Kc6 49.Ra2 Kd5 50.Ra6 Kd4 51.Re6 (51.Rd6 Ke4 52.Re6 Rb2 53.Ke1 Rg2-+) 51...Rb2 52.Ke1 Ke3 (52...Rg2 53.Rh6 c3 54.Kd1 Rg3 55.Rh8-+) 53.Kd1 h4! 54.Rg6? (54.gh4 Rb1 Double attack (54...Kf4 Deflection)) 54...hg3 55.Rg4 Kf3 (55...g2 56.f5 Rb1 57.Kc2-+) 56.Rg8 g2 57.f5 Rb8! 58.Rg5 (58.Rb8 g1Q Combination) 58...Rd8?? (58...Rb1 59.Kc2 g1Q 60.Rg1 Rg1=) 59.Kc2-/+ Rd4 60.f6 Rg4 ½–½. Westerinen,Heikki MJ (2450) – Brinck Claussen,Bjorn (2385), Esbjerg, 1978. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.0-0 a6 11.Qc2 0-0=+.

    10.0-0 a6 11.Nh4 g5 (11...0-0 12.Qg4 f5 13.Qg3=) 12.Nf3= Nf5 (12...Ng6 13.Be3=+) 13.h3 b5 14.Nh2 Qb6 (14...h5!?=+) 15.Ng4= Nfd4? (better 15...Nh4=) 16.cd4+- Qd4?? (16...Bb4+-) 17.Ra5! Qb6 (17...Na5 18.Bb5 Double attack) 18.Ra2 (18.Bb5 Bb7 19.Bc6 Bc6 20.Nf6 Kd8+-) 18...a5 (18...Nb4 19.Ra1+-) 19.Nf6 (19.Qf3 Ba6+-) 19...Ke7 20.Nc3 Kf8 (20...Qb8 21.Bb5 Ne5 22.f4 Qa7 23.Rff2 Kf6 24.fe5 Kg7 25.Qf3+-) 21.Bb5 1–0. Papp Z,Csaba (2220) – Toth,Tamas (2020), 4th Heves Fregatt op, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.Ba3 0-0 11.Bc2 f5 12.ef6 (12.0-0 a6=+) 12...Rf6 13.Qd3 (13.0-0 Nf5=+) 13...Ng6-/+ 14.0-0 e5 (14...Bc7 15.Re1-/+) 15.de5 (15.Ne5 Nce5 16.de5 Ne5 17.Qh7 Kf7=+) 15...Nce5 16.Ne5 Ne5 17.Qh7 Kf7 18.Re1 (18.Bc5 Bb6 19.Bd4 Bd4 20.cd4 Nc6-/+) 18...Qb6 19.Re2 Bd7 20.Be7? (better 20.Bc1!? Re8 21.Be3-/+) 20...Re6-+ (20...Ke7 21.Qg7 Ke6 22.Qg3 Qf2 23.Rf2-/+) 21.Ra5 (21.Bc5 Qc5 22.Qf5 Rf6 23.Qe5 Re8 24.Qh5 g6 25.Bg6 Rg6 26.Re8 Be8-+) 21...Nf3!! (21...Qa5?! 22.Bb4 Qd8 23.Re5 Re5 24.Qg6 Kg8 25.Qh7 Kf7 26.Qg6 Kg8 27.Qh7 Kf7=) 22.Kf1 (22.gf3 Re2 Discovered attack (22...Qa5 Zwischenzug)) 22...Nh2 (22...Qa5?! 23.Re6 Be6 24.Bb4 Qa6 25.Bd3 Nh2 26.Ke1 Nf3 27.gf3=; 22...Re7? 23.Re7 Ke7 24.Qg7 Kd6 25.Rd5 Kd5 26.Qd7 Kc5 27.Qf5 (27.gf3?! Qb5 28.Qb5 Kb5+-) 27...Kd6 28.Qf3+-) 23.Ke1 Re2 (23...Qa5 24.Re6 Be6 25.Bd6+-; 23...Re7? 24.Re7 Ke7 25.Qg7 Kd8 26.Rd5 Qe6 27.Re5+-) 24.Ke2 Re8 (24...Ke7 25.Qg7 Kd8 26.Qf8 Kc7 27.Rc5 Bc6 28.Rc6 Qc6 29.Qa8 Qb5 30.Bd3 Qb2 31.Kd1 Qf2 32.Qg8+-) 25.Rd5 Re7 (25...Ke7?! 26.Qg7 Kd8 27.Kd3=) 26.Kd1?! (26.Kd2 Qf2 27.Kc1 Re1 28.Kb2 Qb6 29.Ka3-+) 26...Bg4 27.Kd2 (27.Kc1 Re1 28.Bd1 Qf2 29.Qc2-+) 27...Qe6 (27...Nf1!? 28.Kc1 Re1 29.Rd1 Bd1 30.Qf5 Ke7 31.Bd1-+) 28.c4? (28.Bb3 Kf6 29.Kc1-+) 28...Qe1 29.Kd3 Be2 (29...Nf1 30.Kd4 Qf2 31.Kc3 Qf6 32.Kb3-+) 30.Kd4 Qf2 31.Kc3 Qf6 (31...Qg2?? 32.Qf5 Ke8 33.Ba4 b5 34.Bb5 Rd7 35.Qd7 Kf8 36.Qe8) 32.Kb4 Bg4 ½–½. Hrabinska,Myroslava – Arutyunova,Diana, Nikolaev Ukraine, Women Championship08, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Bd3 h6)

    10.Bc2 b5 11.0-0 Bd7 (11...a6 12.Qd3=+) 12.Ne1 (12.Qd3 Qc7=+) 12...b4 (12...0-0 13.Qd3 Ng6 14.Qg3=+) 13.cb4 (13.Bd2 0-0=+) 13...Bb6 14.Ra3 (14.Be3 Nb4 15.Nc3 0-0-/+) 14...Nd4 (14...Nb4 15.Nc3 Nec6-/+) 15.Bd3 (15.Be3!? Nef5 16.Bf5 Nf5 17.Bb6 Qb6 18.Nc2-/+) 15...Qb8 (15...Nec6 16.Qg4 g5 17.Nf3-+) 16.Bf4 Bc7 (16...Nec6 17.Nc2-+) 17.Ba6 (17.Qg4 Be5 18.Be5 Qe5-+) 17...Be5 18.Be5 Qe5 19.f4 (19.Nc2 Nc2 20.Qc2 Rb8-+) 19...Qf6 20.Nd3 Ndc6 (20...Nb5!? 21.Ra2 Qd4 22.Kh1-+) 21.b5-/+ Qd4 22.Kh1 Nd8 23.Ra4 Qb6 24.Ne5 (better 24.Nc3!?-/+) 24...Bb5-+ 25.Bb5 Qb5 26.f5 (26.Na3 Qc5 27.Ra6-+) 26...Nf5 27.Nc3 (27.Na3 Qb2 28.Re1 0-0-+) 27...Qc5 28.Qf3 (28.Rf5 Qc3 29.Rc4 Qb2-+ (29...ef5? 30.Rc3 0-0 31.Qd5+-; 29...dc4?? 30.Qd7 Kf8 31.Rf7 Kg8 32.Rg7 Kf8 33.Qe7)) 28...Rc8 29.Nd1 (29.Ne2 Qe3 30.Qe3 Ne3-+) 29...Nc6 30.Nd3 (30.Nc6 Rc6 31.Ra3 0-0-+) 30...Qe7 (30...Qb6 31.Nf4 Rd8 32.Qa3-+) 31.g4 (31.Nf4 Qg5-+) 31...Nd6 32.Ne3 Ne4 33.Nf4 (33.Ra2 h5!-+) 33...Nd2 34.Qg2 (34.Qe2 Nf1 35.Nf1 0-0-+) 34...Nf1 35.Ned5 (35.Nf1 0-0-+) 35…Qd6 0–1. Ardelean,George_Catalin (2475) – Manole,Vasile, Superliga, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Bd3 h6)

    10.Bc2 Bd7 11.Ba3=+.

    10.g4 a6 11.h4 (11.Qb3 Bd7-/+) 11...b5 12.Kf1 (12.Nfd2 Bb7-/+) 12...Bb7 (12...0-0 13.g5 h5 14.Nfd2-/+) 13.h5 Kd7 (13...Ra7 14.Ke1-/+) 14.Bb2 (14.Kg2 Ke8-/+) 14...Qg8 (14...Qc7 15.Kg2-/+) 15.Nbd2=+ Bb6 (15...Qc8 16.Nb3 Qc7 17.Qd2=+) 16.Nb3 (16.Ke1 f6=+) 16...f6-/+ 17.ef6 (17.Ke1 fe5 18.Ne5 Ne5 19.de5 Qf7-/+) 17...gf6 18.Nh4 (18.Rg1 e5 19.de5 fe5-/+) 18...e5 19.Bf5 (19.Ba3 Kd8-/+) 19...Kc7 (19...Kd8 20.Bc1-/+) 20.Ba3 b4 (better 20...Nf5!? 21.Nf5 Kd8-/+) 21.Bb4= a5 (21...Nf5 22.Nf5 (worse 22.gf5 ed4 23.Ng6 dc3-/+) 22...a5 23.Bc5 Bc5 24.Nc5+=) 22.Bc5+= Ba6 (22...Bc5 23.Nc5 Nf5 24.Nf5+=) 23.Kg1 (23.Ke1 Bc5 24.Nc5 Nf5 25.Nf5 Bc8+-) 23...Bc4 (23...Bc5 24.Nc5 (worse 24.dc5 Bc8 25.Bc8 Kc8=+) 24...Kd6 25.Na6 Ra6 26.de5 fe5 27.c4=) 24.Bb6+- Kb6 25.Nc5 Kc7 26.f3 (26.Bd7!?+-) 26...Ra7 27.Qc1 Nd8 28.Qa3 Nec6 (better 28...Ndc6!?+=) 29.Ng6+- Rh7 30.Qc1 (better 30.Re1+-) 30...Qe8? (30...Kd6 31.Na4+-) 31.Rb1 (31.Ne5!? Ne5 32.Bh7 Nf3 33.Kg2 Qe2 34.Kg3 Nd2+-) 31...a4 (31...Qg8 32.Rh2+-) 32.Ra1 (32.Ne5 Ne5 33.Qb2 Nf3 34.Kf2 Qe2 35.Qe2 Be2 36.Bh7 Ng5+-) 32...a3 (32...Qf7 33.de5 fe5 34.Nd7+- (34.Ra4?! Ra4 35.Na4 Bd3+-; 34.Na4?! Bd3+-)) 33.de5 (33.Ne5!? fe5 34.Bh7 ed4 35.cd4 Qe7 36.Qh6 Nd4+-) 33...Ne5 (33...fe5 34.Ra3 Kd6 35.Na4+-) 34.Qe3 Rf7? (34...Kd6 35.Ne4! de4 36.Rd1 Bd3 37.Ne5 fe5 38.Qe4 Qb5 39.Rd3 Ke7+-) 35.f4+- (35.Qh6? Nf3 36.Kg2 Qe2 37.Kg3 Ng5-+) 35...Qb5 (35...Nf3 36.Qf3 Kd6 37.Nd3+-) 36.fe5 Ra5 (36...Kc6 37.Ne6 Ne6 38.Be6+-) 37.e6 (37.e6 Qc5 38.Qc5 Rc5 39.Ra3+-) 1–0. Weng,Annegret (2085) – Marth,Juergen, Hofbieber op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7)

    10.h4 Bd7 11.Qb3 0-0=+.

    10.h4 Bd7 11.g4 Qc7 (better 11...b5-/+) 12.Ba3? (better 12.Nfd2!?-/+) 12...Nd4!-+ 13.Bd6 (13.Nd4 Bc3 Double attack (13...Bc3 Decoy)) 13...Nf3 14.Qf3 Qd8 (14...Bc3 15.Kf1 Qc8 16.Nc3 Qc3 17.Ra3-+) 15.0-0 (15.Qe3 Bb6 16.Bc5 Bc5 17.Qc5 b6-+) 15...Bc7 (15...Nc8 16.h5-+) 16.Na3 (16.Qg3 Qb8 17.Bc7 Qc7-+) 16...a6 (16...Bd6 17.ed6 Nc8 18.Nb5 Bb5 19.Bb5 Kf8 20.d7-+) 17.c4 (17.Qg3 Bd6 18.ed6 Nc6-+) 17...Bd6 18.ed6 Nc6 19.cd5 (better 19.Qg3-+) 19...Ne5 20.Qe3 (20.Qe2 Nd3 (20...Qh4?! 21.Qe5 Qg4 22.Kh2=+) 21.Qd3 Qh4-+) 20...Nd3 (20...Ng4?! 21.Qg3 ed5 22.Rfe1 Kf8 23.Re7-+; 20...Qh4?! 21.Qe5 Qg4 22.Kh2 Qh4 23.Kg2=+) 21.de6 Be6 (21...fe6?! 22.Qd3 Qh4 23.Qg6 Kf8 24.Nc4-+) 22.Rfd1 0-0 (22...Nb2 23.d7 Kf8 24.Rd4-+) 23.g5? (23.Rd3 Qh4 24.Rd4 Rfd8-+) 23...hg5 (23...Bf5 24.Qf3 Bh7 25.Rd3 Bd3 26.Qd3 hg5 27.h5-+) 24.hg5 (24.Rd3 gh4 25.Qf4 Re8-+) 24...Bf5 (24...Nb4 25.Rac1-+) 25.Nc4 (25.Rd3 Re8 26.Qf3 Bd3 27.Qd3 Qg5 28.Qg3 Qg3 29.fg3 Rad8-+) 25...Re8 (25...Rc8!? 26.Ne5 Ne5 27.Qe5 Qg5 28.Qg3 Qg3 29.fg3-+) 26.Qg3 Re4 27.Ne3 Nf4 28.Rd2 (28.Ra2 Bd7-+) 28...Bd7 29.Re1 Nh3 30.Kh2 (30.Kf1 Ng5 31.Rd5 Ne6-+) 30...Ng5 31.f4 (31.Kg2 Bc6 32.Kf1 Re6-+) 31...Nf3! 32.Qf3 Qh4 33.Kg2 Qe1 34.Nf1 (34.Re2 Qb4 35.Kg3 Rae8-+) 34...Rae8 35.Kg1 Qh4 (35...Re2!? 36.Re2 Re2 37.Qg3-+) 36.Rh2 (36.Rf2 Bc6 37.Qg3 Qh6-+) 36…Qg4 (36...Qg4 37.Qg4 Bg4-+) 0–1. Vartaniants,Mikhail – Kairov,Viktor, Anapa Russia, Open, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 Nge7 9.Bd3 h6)

    10.h4 Bd7 11.h5 a6 12.0-0 Bc7 13.Na3 0-0 14.Nh4 (14.Bc2-/+) 14...Nf5 (better 14...f6!? 15.ef6 Rf6-/+) 15.Nf5=+ ef5 16.Qf3 Ne7 (16...Ba5 17.Nb1=+) 17.Nc2= f6 18.e6 (18.Re1!?=) 18...Be6-/+ 19.Re1 Bc8 20.g3 (20.Ne3 Qd6=+) 20...Bd6 (20...Re8!?-/+) 21.Ne3= Will f5 fall?. The isolani on d5 becomes a target 21...f4 (better 21...Be6!? 22.Nf5 Bf5 23.Bf5 Qc7=) 22.Nd5+/- Nd5 23.Qd5 Kh8 24.Bf4 Bf4 25.Qd8 (better 25.Qe4!? f5 26.Qf4+/-) 25...Rd8= 26.gf4 Bd7 27.Re7 Bc6 28.Bg6 (28.Kh2 Re8 29.Re8 Be8=) 28...a5 29.Rd1 (29.Kf1 a4=) 29...Bd5 30.Bf7 (30.Ra1 Kg8=+) 30...b5-/+ 31.Bd5 (31.Rb1 a4 32.Bg6 a3-/+) 31...Rd5 32.Rb7 (better 32.Rd3!?-/+) 32...a4-+ (32...Rh5?! 33.d5-/+) 33.Ra1 Rh5 34.Kg2 Rc8 (34...a3!? 35.Re7-+) 35.Re1-/+ a3 36.Ree7 b4 37.cb4 Rd5 38.Rg7 (38.Ra7 Rd4 39.b5 Rd3=+) 38...Rg8=+ (worse 38...Rd4 39.Rh7 Kg8 40.Rbg7 Kf8 41.Ra7+=) 39.Rg8 Kg8 40.Ra7 Rd4 41.Ra3 Rb4 42.Kg3 Kg7 43.Ra5 Kg6 44.f3 Rc4 (44...h5 45.Ra8=+) 45.Ra8 (45.Kg4 Rd4=+) 45...Rd4 46.Ra5 Rd1 47.Ra8 h5 48.Ra5 Rg1 49.Kf2 Rh1 50.Kg2 Re1 51.Kg3 Re2 (51...Rf1!?-/+) 52.Rb5 ½-½. Ribiere,Damien (2080) - Xu,Yinglun (2550), 1st FIDE World Uni RapidB, 2021. (=1.e4 c5 2.a3 e6 3.b4 d5 4.e5 Nc6 5.Nf3 cb4 6.ab4 Bb4 7.c3)

    8.d4 f5

    9.Bb5 Nge7 10.Bg5 Bd7 11.Qb3 Qb6 12.Be7 a6 13.Ra5 Ke7.

    9.Qc2=+ Nge7 10.Bd3 Bd7 11.0-0 0-0 12.Nbd2 Rc8 13.Qb2 Ng6.

    9.Bd3 Nge7 10.0-0 h6 (10...0-0 11.Qb3+=) 11.c4 (11.Qb3!?=) 11...0-0+= 12.Ba3 b6 (12...Rf7 13.Bd6+=) 13.Bd6 Nb4 14.Be2 dc4 15.Bc4 Nbd5 16.Qb3 Re8 17.Na3 (17.Rc1 a6=) 17...Bb7 18.Nb5 (18.Rfc1 a6 19.Bf1 b5=) 18...Bc6 (18...a6 19.Be7 Re7 20.Nd6+=) 19.Rfc1= Qd7 20.Be7 Re7 21.Nd6 Kh7 22.h4 g6 23.Ra2 (23.Ba6 Nf4=) 23...Rg8 (23...Bb4!? 24.Ba6 Bd6 25.ed6 Qd6-/+) 24.Raa1 Kh8 25.Bb5 (25.Rc2!?=) 25...Bb5+= 26.Nb5 Rc8 27.Rc4 Rc4 28.Qc4 Kg7 29.Nd6 Kh7 30.h5 (30.Kh2 Qc7-/+) 30...gh5-/+ 31.Nh4 Qc7 32.Qe2 Qc3 33.Rd1 Nf4 34.Qf1 (34.Qa2 Qc6-/+) 34...Bb4 (34...Qc2!? 35.Kh2 Bc3 36.Nb5-+) 35.Rc1?? (better is 35.g3 Ng6 36.Ng6 Kg6 37.Qg2-+) 35...Qc1!-+ (35...Qc1 36.Qc1 Ne2 37.Kf1 Nc1-+) 0–1. Najer,Evgeniy (2495) – Zarubin,Pavel (2410), St Petersburg op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    9.Bd3 Nge7 10.g4? 0-0 (better is 10...fg4 11.Nfd2 h5-/+) 11.Ba3? (11.g5-/+) 11...Bd7?? (better is 11...fg4 12.Nh4 h5-+) 12.gf5-/+ ef5 (12...Rf5 13.Bf5 Nf5 14.0-0+=) 13.Rg1 (13.Qb3 Bb6+=) 13...Kh8 14.Ng5 h6 15.Qh5+= Be8 16.Qh3= Qd7 17.Bb5 Bd8 18.Nd2 a6 19.Ba4 b5-/+ 20.Bc2 b4! 21.Bc1? bc3-+ 22.Ndf3 Ng8 23.e6 Qa7 24.Nf7? Bf7-+ 25.Qf5? g6 26.Qd5 Nb4 (26...Nb4 27.Qb3 Nc2 28.Qc2 Be6-+) 0–1. Steinhauser,Thomas (2090) – Mirzoev,Azer (2570), 8th Balagne Open, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    9.ef6 Nf6 10.Bd3 0-0 11.0-0=+.

    9.ef6 Nf6 10.Bd3 Bc7 11.0-0 0-0 12.Re1 e5 13.de5 Ne4 14.Ba3 (14.Nbd2 Nd2 (14...Nc3? 15.Qb3+-; worse 14...Be5 15.Ne4 de4 16.Ne5 Ne5 17.Be4+=) 15.Qd2 Rf3 16.gf3 Ne5=+) 14...Re8 e5 draws heavy fire 15.Nbd2 (15.Qb3 Kh8 16.Rd1 Ng5 17.Ng5 Qg5 18.Qd5 Be5=+) 15...Ne5 (worse 15...Nc3 16.Qb3 Ne5 17.Qc3+=; worse 15...Be5 16.Ne4 de4 A) 17.Ne5?! ed3 (worse 17...Re5 18.Bd6+=) 18.Nd3 Re1 19.Qe1 Bf5=; B) 17.Be4+=) 16.Ne5 Re5 (16...Be5 17.Ne4 (worse 17.Be4 de4 18.Ne4 Qd1 19.Rad1 Bf5=+) 17...de4 18.Be4 Qd1 19.Rad1+=) 17.Ne4+= (worse 17.Be4 de4 18.Ne4 Bf5 19.Qb3 Qd5=+) 17...de4 18.Be4 Qd1 19.Rad1 Be6? (19...Kf7 20.c4+=) 20.f4 (20.Bd6!? Re4 21.Re4+- (21.Bc7 Re1 22.Re1 Kf7=+)) 20...Rb5+- 21.Bd3 (21.Bd6!? Bb6 22.Kh1+=) 21...Rb3= 22.Bb4 Bd5 23.Bb1 (23.Be2 Bf7 24.Rd7 A) 24...Bf4? A1) 25.Rb7?! Bd2 26.Rf7 Rb4 (26...Kf7? 27.Bc4 Kg6 28.Re6 Kf5 29.Bb3+-) 27.cb4 Kf7 28.Bc4 Kf6 29.Re6 Kf5=; A2) 25.Rf7 Rb4 26.cb4 Kf7 27.Rf1+-; B) 24...Bb6 25.Kf1 Rd8 26.Rf7 Rb4 27.Rg7 Kg7 28.cb4 Rd4=) 23...Bc4 24.Kh1 (24.Bc2 Rb2 25.Be4=+) 24...b5 (24...a5 25.Bc5 Rb2 26.Rd7+=) 25.Be4 (25.Re7 Rb1 26.Rb1 Bf4=) 25...Rd8 (better 25...Rb8!? 26.Rd7 Bf4=) 26.Rd8+- Bd8 27.Bc2 Rb2?? (better 27...Kf7 28.Bb3 Bb3+-) 28.Re8+- Kf7 29.Rf8 Ke6 30.Bf5 (30.Bf5 Kd5 31.Rd8 Kc6 32.Be4 Kb6 33.Rb8 Ka6 34.Kg1+-) 1–0. Felgaer,R (2480) – Arribas,M (2325), IX Guillermo Garcia Mem, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4)

    9.ef6 Nf6 10.Bd3 Bc7 11.0-0 (11.Nbd2 e5 12.Ne5 Ne5 13.de5 Be5=+) 11...0-0 12.Re1 e5 (12...Re8 13.Nbd2=+) 13.de5= (13.Ne5? Ne5 14.de5 Ng4-+) 13...Ng4 14.Bg5 (14.e6 Nf2 15.e7 (worse 15.Kf2 Qh4 16.Kf1 Qh2-/+) 15...Ne7 16.Kf2 Bh2 17.Rh1+=) 14...Qd7 (14...Qe8 15.Bb5 Qg6 16.Qd5 Be6 17.Qe4 Qe4 18.Re4 Nce5 19.Nbd2=) 15.Bb5 (better 15.e6!? Qd6 16.e7+-) 15...Qf5=+ Now all is on e5 16.Qd5 Be6 17.Qd2 (17.Qe4 Nce5 18.Qf5 Bf5=) 17...Nce5 (17...Nge5!? 18.Bc6 Nc6-/+) 18.Nd4=+ Qf7 19.f4 (19.h3 a6 20.hg4 ab5 21.Ra8 Ra8 22.Nb5 A) 22...Bg4?? 23.Nc7 Qc7 24.Qd5 Qf7 25.Qe5+- (25.Re5?! Qd5 26.Rd5 Ra1+=); B) 22...Ra2=+) 19...h6 20.Bh4 (20.Ne6? Qe6 21.Ra4 hg5 22.fe5 Qb6 (22...Be5?? 23.Bc4 Qc4 24.Rc4 Bh2 25.Kh1+-) 23.Rd4 Be5 (23...Qb5?! 24.Rg4 Bb6 25.Rd4-+) 24.Re5 Ne5-+) 20...Ng6 (20...a6!? 21.Ba4 Nc4=+) 21.Re6= Nh4 22.Bc4 Bf4 23.Qf4?? (better 23.Qe2 Rac8 24.Rc6 (24.Qg4? Rc4 25.Qe2 Bb8-+) 24...Be3 25.Kh1 Nf2 26.Kg1 Nd1 27.Kh1 Nf2 28.Kg1 Ng4 29.Kh1 Nf2=) 23...Qf4-+ 24.Rf6 Kh8 25.Rf4 Rf4 26.g3? (26.Na3 Rf6-+) 26...Rd4! 27.cd4 Nf3 28.Kg2 Nd4 (28...Rf8 29.Kh1 Rc8 30.Na3 Nd4 31.Re1-+) 29.Kh3 (29.Bd3 a6-+) 29...Ne5 (29...Ne3 30.Bd3 Ne6 31.Ra3-+) 30.Bd5 Nec6 (30...Ndc6 31.Nc3-+) 31.Nc3 Re8 (31...Rf8 32.Rb1 b6 33.Nb5-+) 32.Rf1 Re7 33.Rf8 (33.Be4 Ne6 34.Kg2 Ncd4-+) 33...Kh7 34.Be4 (34.Kg2 a5-+) 34...g6 35.Rf6 (35.Ra8 a5-+) 35...Ne5 36.Nd5 (36.Rd6 Ne6 37.Bd3 Nd3 38.Rd3 Nc7-+) 36...Re6 (36...Kg7 37.Rf1 Rf7 38.Nf4-+) 37.Rf8 Ndc6 (37...Kg7 38.Rb8 b5 39.Rb7 Nf7 40.Bd3-+) 38.Nf4 (38.Rc8!?-/+) 38...Re7-+ 39.Rf6 (39.g4 Kg7 40.Ra8 a6-+) 39...Kg7 40.Rd6 g5 (40...Rd7!? 41.Rd7 Nd7 42.Ng6 Nc5-+) 41.Nh5-/+ Kf8 42.Rf6 Ke8 (42...Rf7 43.Rh6 a5 44.Bc6 Nc6 45.Kg4-/+) 43.Rh6=+ a5 44.Nf6 Kd8?? (better 44...Kf8 45.Rh5 a4 46.Rg5 a3=+) 45.Rh8+- Kc7 46.Nd5 Kd6 47.Ne7 Ke7 48.Rh7 Nf7 49.Kg2 (49.Bc6!? bc6 50.Rg7+-) 49...Kf6 50.h4 (50.Bd5 Ncd8 51.Kf3+=) 50...gh4 (50...Ncd8 51.Kf2+=) 51.Rh4 (51.Bc6!? bc6 52.Rh4+-) 51...Ncd8+= 52.Rf4 (52.Kf2 b5+=) 52...Ke6 53.Bd3 Nd6 (53...Ne5 54.Bc2+=) 54.g4 Ke5 (54...b5 55.g5 Ke7 56.g6+-) 55.Kg3 (better 55.Ra4 b6 56.g5+-) 55...b5? (better 55...Ne6 56.Ra4 b6+=) 56.Bb5!+- Ne6 (56...Nb5 57.Rf5 Double attack (57.Rf5 Decoy)) 57.Rf1 Ne4 (57...Kd5 58.Rd1 Kc5 59.Bd7+-) 58.Kh4 Nd4 (58...Nc3 59.Be8+-) 59.Bd7 Nc5 (59...Nf6 60.Bc8 Ne4 61.g5+-) 60.Be8 (better 60.Bc8 Nc6 61.g5+-) 60...Ndb3?? (60...a4+-) 61.g5 Nd4 62.Kh5 (62.g6!? Nce6 63.Kg4 Ng7+-) 62...Nf5 63.Kg6 Nh4 (63...Nd6 64.Bc6 a4 65.Ra1+-) 64.Kh7 Ne6 (64...Nf5 65.g6 Ne4 66.Re1+-) 65.g6 Ng5 (65...Ng6 66.Kg6 Nf4 67.Kg5 Ne6 68.Kg4+-) 66.Kh8 Nf5 1–0. Ridolfo,Enrico (2015) – Santolini,Luigi (2180), 23rd Venetian Autumn, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    9.g4 fg4-/+ 10.Ng5? (better 10.Bg5 Qc7 11.Nfd2-/+) 10...h6-+ 11.Qg4 (11.Ne4 de4 12.Qg4 Nd4 13.Qg6 Kd7 14.Qe4 Nc6-+) 11...hg5 12.Bg5 Qb6 13.Bd2 Nge7 14.Bd3 Qb2 15.Ra3 Bd7 (15...Rg8!? 16.Rg1-+) 16.Qg7 0-0-0 (16...Rh3 17.Be3-+) 17.Ra5-/+ Nf5 (17...Na5 18.Qe7 Rh3 19.Qc5 Nc6 20.Ke2-/+) 18.Rb5 Qd2! (18...Ng7 19.Rb2 Rh3 20.Bf1+-) 19.Nd2 (19.Nd2 Ng7 Zwischenzug; 19.Kd2 Ng7 Zwischenzug) 19...Ng7 20.h4 Nh5 21.Rb1 (21.Nf3 Rdf8 22.Be2 Nf4-+) 21...Nf4 22.Bf1 Be8 (22...Rh6 23.Nf3-+) 23.f3 (23.Ra1 Bg6-+) 23...Ne7 24.Nb3 Nf5 25.Nc5 b6 26.Ba6 Kc7 27.Kd2 (27.Nd3 Nd3 28.Bd3 Nh4-+) 27...Rh4 (better 27...bc5 28.Rb7 Kc6 29.Rb5 Rh4 30.Rc5 Kb6 31.Rh4 Nh4 32.Bf1-+) 28.Rh4 (28.Nd3 Ng2-+) 28...Nh4 29.Nb7 Bg6 (29...Nf3 30.Ke3 Bg6 31.Nd8 Bb1 32.Kf3 Kd8 33.Kf4-+) 30.Ra1 (30.Nd8 Bb1 (30...Kd8?! 31.Rh1 Nfg2 32.Ke2-/+) 31.Nf7 Bg6-+ (31...Nf3?! 32.Ke3-+)) 30...Rf8 (30...Nf3?! 31.Ke3 Rf8 32.Kf3 Bh5 33.Kg3-/+) 31.Nd6 Nf3 32.Kc1 Rh8 33.Kb2 Rh2 34.Kb3 (34.Ka3 Nd2-+) 34...Nd2 35.Kb4 Nd3 (35...Nb1 36.Kb3-+) 36.Bd3 (36.Ka3-+) 36...a5 (36...Bd3?! 37.Ra7 Kd8 38.Ra8 Ke7 39.Ra7 Kf8 40.Rf7 Kg8 41.Re7-+) 37.Ka4 Bd3 38.Rg1 (38.Ra2 Re2-+) 38...Ne4 39.Nb5 Kc6 40.Na3 Nc3 (40...Bc4 41.Rg3 Ra2 42.Rd3 b5 43.Ka5 Ra3 44.Kb4 Ra4) 41.Kb3-+ Ne2 42.Rg7 (42.Rd1 Bc4! 43.Kb2 Nd4 44.Kc3 Kc5-+) 42...Nd4 (42...Nc1 43.Kc3 b5 44.Rc7 Kb6 45.Nc4 dc4 46.d5 Nb3 47.Rc6 Kb7 48.Rc7 Kc7 49.d6 Kb8 50.d7 b4) 43.Ka4 (43.Kc3 Be4 44.Rg8-+) 43…Rb2 (43...Rb2 44.Rc7 Kc7 45.Nb5 Rb5 46.Ka3 Nc2 47.Ka4 Rb4; 43...Bb5 44.Nb5 Ra2 45.Na3 b5 46.Ka5 Ra3 47.Kb4 Nc2) 0–1. Fier,A (2255) – Rodriguez,And URU (2555), VI Comunic CXSP, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f5)

    9.Ng5 a6 10.Qh5 g6 11.Qh4=+.

    9.Ng5 g6 10.Nh3 (10.Bb5 Nge7=) 10...Bd7 11.Be2 h6 (11...a6 12.0-0=+) 12.0-0 Nge7 13.Bd2 Kf7 14.Na3 (14.Be3 a6=) 14...a6=+ 15.Bd3 b5 16.Nc2 Bb6 17.Re1 Na5 18.Nb4 Qc8 19.g4 (19.Nf4!?=+) 19...Nc4 20.gf5 Nf5 21.Bf5 gf5 (worse 21...ef5 22.Nf4 Be6 23.Nbd5 Bd5 24.Nd5+=) 22.Qh5 Kg7?? (22...Ke7 23.Qh4 Ke8 24.Bh6 Rg8 25.Kh1 Qb7+-) 23.Kh1+- Rh7 24.Bh6 Kh8 25.Ng5 (25.Qg6 Qd8 26.Bg5 Be8 27.Bf6 Qf6 28.Qf6 Kg8 29.Rg1 Bg6 30.Rg6 Rg7 31.Qg7) 25...Be8 (25...Qg8 26.Nh7 Be8+-) 26.Bg7!! Kg7 27.Qh7 Kf8 28.Qh8 (better 28.Nd5 ed5 29.e6 Bg6 30.e7 Ke8 31.Qg6 Kd7 32.Ra6 Rb8+-) 28...Ke7 29.Qf6 Kd7 30.Ne6 a5 (30...Bh5 31.Qf5 a5 32.Nf4 Kc7 33.Nbd5 Kb8 34.Qh5 Qc6+-) 31.Rg1 Qb8 32.Rg7 Kc8 (32...Bf7 33.Qf7 Kc8 34.Qd7) 33.Qe7 (33.Qe7 a4 34.Qe8 Bd8 35.Qd8) 1–0. Hoiberg,Nina (2275) – Rudolph,A (2090), Kuala Lumpur Interzonal (Women), 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f5)

    8.d4 f6

    9.Bb5 Bd7 (9...Bc7 10.0-0=+) 10.0-0 Bc7 (10...Nge7 11.ef6 gf6 12.Nh4=+) 11.ef6 Nf6 12.Ba3 h6 (12...a6 13.Bd3=+) 13.Bc6 (13.Re1 Kf7=) 13...bc6 (13...Bc6!? 14.Ne5 Rg8=) 14.Ne5 h5 (14...a5 15.Re1=) 15.Qd3 Rh6? (better 15...Ne4+=) 16.Bc1+- Be5 17.de5 (worse 17.Bh6 Bh2 18.Kh2 Ng4 19.Kg1 Nh6 20.Qg6 Nf7 21.Qh5 Qf6+-) 17...Ng4 (17...Ne4 18.Bh6 gh6 19.Qe3+-) 18.Bh6 Nh6 19.Qg6 Kf8 (19...Nf7 20.Qh5 Qg5 21.Qh7+-) 20.Qh5 Kg8 (20...Nf7 21.Nd2+-) 21.Nd2 Qe7 (21...Qe8 22.Qh3+-) 22.Ra5 (22.c4 a5+-) 22...Be8 23.Qh3 (23.Qe2 Nf5+-) 23...Bg6 (23...Qc7 24.Rfa1 (24.Qe6 Bf7 25.Qd6 Qa5-/+) 24...Qe5 25.Ra7 Ra7 26.Ra7+-) 24.Qg3 (24.Rfa1 Bc2+-) 24...Bh5 (24...Bh7 25.Rfa1+-) 25.Nf3 (25.f4 Nf5 26.Qf2 g5+-) 25...c5 (25...Qc7 26.Ra6 Nf5 27.Qh3 Bf3 28.Qf3 (28.gf3?! Qe5 29.Rc6 a5+=) 28...Qe5 29.Rc6+-) 26.Qh4 (26.Nh4 Rb8+-) 26...Qc7 (26...Qh4 27.Nh4 g5 28.Nf3 Bf3 29.gf3+-) 27.Qh5+- Qa5 28.Qg6 Qa6 (28...Nf7 29.Qe6 Qc3 30.Qd5+-) 29.Ng5 Rc8? (29...c4+-) 30.Rb1 Nf5 (30...Qc6 31.Ne6 Qd7 32.Ng7+-) 31.g3 (better 31.g4 Nh4 32.Qh7 Kf8 33.Qh4+-) 31...Qc6 32.Qf7 (32.Rb7 Qb7 33.Qe6 Kh8 34.Qf5 g6 35.Nf7 Kg7 36.Qf6 Kh7 37.Qh4 Kg8 38.Qh8 Kf7 39.Qh7 Kf8 40.Qb7 Re8+-) 32...Kh8 33.Ne6 (33.Ne6 Re8 34.Nc5+- (34.Qf5?! Qe6 35.Qe6 Re6+-); 33.Qe6?! Qe6 34.Ne6 Re8 35.Nc5 Re5+-) 1–0. Juracsik,Jozsef (2135) – Mayer,Istvan (2050), FSFMA July, 2013. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 Nc6 5.Nf3 cb4 6.ab4 Bb4 7.c3 Ba5)

    9.Bd3 a6 10.0-0 b5 11.Bd2 (11.Nfd2 Bb7=) 11...Bb7 (11...Nge7 12.ef6 gf6 13.Re1=+) 12.Re1 f5 13.g4 (13.Ng5 Qe7=+) 13...g6 (13...Nge7 14.gf5 Nf5 15.Bf5 ef5 16.Bg5-/+) 14.Ng5 Qd7 (14...Qc8 15.gf5 ef5 16.Bf1=+) 15.gf5= gf5 16.Qh5 Kd8?? (better 16...Kf8=) 17.Nf7+- Kc7 (17...Ke8 18.Nh8 Kf8 19.Bf5 ef5 20.Kh1+-) 18.Nh8 Qg7 19.Kh1 Qh8? (better 19...Rf8+-) 20.Qf7 Nge7 21.Ra5! Na5 (21...Qg8 22.Qg8 Rg8+-) 22.Qe7 Kb6 (22...Kb8 23.Qe6 Nc4+-) 23.Qc5 1–0. Hoiberg,Nina (2275) – Hassan,M (2005), Moscow ol (Women), 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    9.Bd3 Bb6 10.Qc2 (better 10.ef6 gf6 11.Nh4=) 10...g6?? (better 10...fe5 11.Bh7 e4 (11...ed4?! 12.Bg8 Rg8 13.Qg6 Kd7 14.Qf7 Kd6 15.Ba3 Bc5 16.cd4 Bb4 17.Nc3+-) 12.Bg6 Kf8=+) 11.Bg6!+- hg6 12.Qg6 Kf8?? (12...Kd7 13.Qg7 Nge7 14.ef6 Qg8 15.Ne5 Kc7 16.Qg8 Ng8+= (worse 16...Rg8 17.Bf4+-)) 13.Ba3+- Nge7 14.ef6 Rg8 15.fe7 (better 15.Be7 Ne7 16.Qh6 (16.fe7?! Qe7 17.Qd3 Bc7+-) 16...Ke8 17.Ne5+- (17.fe7?! Qe7 18.Rg1 Bc7+-)) 15...Ne7 16.Qf6 Ke8 17.Ne5 Rf8 18.Qh6 Qc7 19.0-0 (better 19.h4 a5+-) 19...Rg8 (19...Rf5+-) 20.Qh5 Kd8 (20...Ng6 21.Ng6 Qf7 22.Nf4 Qh5 23.Nh5+-) 21.Bd6!! (21.Bd6 Qd6 22.Nf7 Kd7 23.Nd6 Kd6 24.Re1+-) 1–0. Marous,Roman – Vogeltanz,M, Plzen opJ–B, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f6)

    9.Bd3 Bc7 10.Qe2 fe5 11.de5 Nge7 12.Ra4 (12.0-0 0-0=+) 12...0-0-/+ 13.Bh7? (better 13.Nbd2-/+) 13...Kh7-+ 14.Ng5 Kg8 15.Qh5 Rf5 16.Rh4 Re5 17.Be3 Rg5! 18.Bg5 (18.Bg5 e5 Combination; 18.Qg5 Nf5 Decoy) 18...e5 19.f4 (19.c4 d4-+) 19...Bf5 20.fe5 Qe8 (20...Bb1?? 21.e6 Bh7 22.Qh7 Kf8 23.Qf5 Nf5 24.Rh8; 20...Ne5?! 21.0-0 Qe8 22.Be7 Qh5 23.Rh5-/+) 21.Qh8 Kf7 22.e6 (22.Qh5 Ke6 23.Qd1 Qg6 (23...Be5?! 24.0-0-+; 23...Ke5?! 24.0-0 Bb6 25.Kh1-+) 24.Be7 Qg2-+ (worse 24...Ke7 25.0-0-+; worse 24...Ne7 25.0-0-+; worse 24...Bb1 25.Bc5-+)) 22...Ke6 23.Qg7 (23.Qe8 Re8 24.Kd2 Be4-+) 23...Bb1 24.0-0 Be4 25.Rh6 Kd7 26.Rf7 (26.Rc6 bc6 27.Be7 Bh2 (worse 27...Qe7 28.Rf7 Bb6 29.Kh1-+) 28.Kh2 Qh8 (28...Qe7?! 29.Rf7 Re8 30.Re7 Re7 31.Qg4 Kc7 32.Qf4 Kb7 33.g4=) 29.Qh8 Rh8 30.Kg3 Ke7-+) 26...Be5 (26...Bd6 27.Be7 Ne7 28.Kh1-+) 27.Bf6 Bf6 28.Qf6 Rd8 29.Qf4 (29.Qe6 Kc7-+) 29...Kc8 (29...Qg8 30.g3 Bg6 31.Rf6-+) 30.Re6 (30.Rhf6 Qg8 31.g3 Qe8-+) 30...Qd7 31.Qf6 Qc7 (31...Rg8 32.g3 Re8 33.Rf8-+) 32.h4 (32.Ree7 Ne7 33.Qe7 Qe7 34.Re7-+) 32...Rg8 33.Rc6 (33.Rg7 Rg7 34.Qg7-+) 33...Rg2 (33...Nc6 34.Rc7 Kc7 35.Qf7 Ne7 36.Qe7 Kb8 37.Qe5 Ka8 38.c4+-; 33...bc6 34.Rf8 Rf8 35.Qf8 Kd7 36.Qg7-+; 33...Qc6 34.Rf8 Rf8 35.Qf8 Kd7 36.Qg7-+) 34.Kf1 Qc6 (34...bc6?! 35.Re7 Rg1 36.Kg1 Qg3 37.Kf1 Bd3 38.Re2-/+) 35.Qd4 (35.Rf8 Kd7 36.Qc6 bc6 37.h5-+) 35...Qb5 36.c4 (36.Qc4 Qc4 37.Ke1 Qe2) 36…Qb1 (36...Qb1 37.Qd1 Qd1) 0–1. Milanollo,Mario – Vavrak,Peter (2210), AUT–chT2O, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f6)

    9.Bd3 fe5

    10.de5 Nge7 11.0-0 0-0 12.Qc2 Rf3 13.gf3 (worse 13.Bh7 Kh8 14.gf3 g6 (worse 14...Ne5 15.Qe2=+) 15.Bg6 Qg8-/+) 13...Ne5 14.Bh7 Kh8 15.Qe2 Kh7 16.Qe5 Nf5 17.Bf4 Bd7 18.Bg3 Rc8 Attacking the isolated pawn on c3 19.Rd1 b5 20.Qe2 Bb6 21.Kf1 a5 22.Ke1 Kg8 23.Be5 Qh4 Black plans b4 (23...Qg5 24.Bg3=+) 24.Bg3 (24.Na3 Qh5 25.Rd3 Nh4=+) 24...Qh3 25.Ra2 Qg2 (worse 25...Ng3 26.fg3 Qh5 27.Rb2=) 26.Kd2 (26.Rb2 Bc5-/+) 26...b4 27.Rb2 Bd8 (27...Bd8 28.cb4 Nd4-+) 0–1. marekt (2475) – juliangon (2600), ChessWorld.net, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f6 9.Bd3 fe5)

    10.de5 Nge7 11.0-0 Bd7 12.Na3 (12.Ba3 0-0=+) 12...a6 (12...Bc3 13.Rb1 Be5 14.Rb7-/+) 13.Qc2 g6 14.Bh6 Qc7 15.c4 (15.Bg7 Rg8 16.Bf6 b5=) 15...Nb4 (15...Ne5!? 16.Ne5 Qe5-/+) 16.Qb1 Nd3 17.Qd3 Nf5 18.Bg5 Bc6 19.cd5 Bd5 20.Rac1 Qd7 21.Nc4 Bc4 22.Qc4 0-0 23.Rfd1 Qf7 24.Bf6 h6 25.Nd4 Exerts pressure on the isolated pawn 25...Bd8 (better 25...Nd4!? 26.Rd4 Bd8=+) 26.Ne6+/- Bf6 27.ef6 (better 27.Nf8!? Qc4 28.Rc4+/-) 27...Rfe8= 28.Re1 b5 29.Qd5 Ra7 (29...Rad8 30.Qb3 Rc8 31.Rc8 Rc8 32.Qd5=) 30.g4 (better 30.Ng5! Re1 31.Re1 hg5 32.Re8 Kh7 33.Qd8 Qe8 34.Qe8+-) 30...Nh4 (30...Rd7 31.Qb3 Nd6 32.Ra1=) 31.Re3 Rd7 32.Qa2 g5?? (32...Ra8!?=) 33.Rce1 (better 33.Ng5 hg5 34.Re8 Kh7 35.Qb1 Ng6 36.Rcc8 Qf6 37.Rh8 Qh8 38.Rh8 Kh8 39.Qg6+-) 33...Kh8?? (better 33...b4+=) 34.Qc2 (better 34.Ng5 Rf8 35.Nf7 Rdf7 36.Re8 Nf3 37.Kh1 Ne5 38.R1e5 Rf6 39.Rf8 Rf8 40.Re7 Rf2 41.Qa1 Rb2 42.Qb2 Kg8 43.Qg7) 34...Qf6-/+ 35.Qc3?? (better 35.Kf1 Rde7 36.Qc6-+) 35...Qc3-+ 36.Rc3 Rde7 (better 36...Re6 37.Kf1 Re1 38.Ke1 b4 39.Rc8 Kg7-+) 37.Rce3 Kg8 38.f3? (38.Nd4 Kf7-+) 38...Ng6 (38...Nf3!? 39.Rf3 Re6 40.Ra1-+) 39.Kf2 Nf8 (better 39...b4-+) 40.Nf8?? (better 40.Nc7! Re3 41.Re3 Re3 42.Ke3=+) 40...Kf8 (better 40...Re3 41.Re3 Re3 (41...Kf8?! 42.Rd3-+; 41...Rf8?! 42.Re6=+) 42.Ke3 Kf8-+) 41.Re7 Re7 42.Ra1 Kf7?? (42...Re6 43.f4-+) 43.Rb1?? (better 43.Ra6 Re6 44.Ra7 Kf6 45.Rb7=) 43...Re6 44.Ra1 Kf6 45.Rb1 Rd6 (45...Rb6 46.Rh1-+) 46.Rc1 (46.Ke3 Ke5-+) 46...Ke6 (46...b4 47.Ke3-+) 47.Rc8 b4 48.Rh8 (better 48.Rb8 a5 49.Ra8-+) 48...Kd5 49.Kg3 Kd4 (49...b3 50.h4-+) 50.Rb8 b3?? (better 50...Kc4-+) 51.Rb3=+ Kc4 52.Ra3 a5?? (better 52...Kb4 53.Re3 a5=+) 53.Ra1 (53.Ra1 Kb4 54.Rb1 Kc3 55.Rc1 Kb2 56.Rc5-/+). Novikova,Galina (2070) - Voit,Daria (2340), Djerba Women Online, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3)

    10.de5 Nge7 11.0-0 Nf5 12.Bg5 (12.Bf5 ef5 13.Qb3=) 12...Qc7 (better 12...Qd7!?=+) 13.Bf5+= ef5 14.Qd5 Bb6 15.e6 (15.Na3 Qd7 16.Qb5 0-0+=) 15...h6 16.Bh4 (16.Bc1!? Ne7 17.Qb3+=) 16...g5=+ 17.Qf5 gh4 (17...Qh7 18.Qh7 Rh7 19.Bg3=+) 18.Re1 (18.Qg6 Kf8=+) 18...Qg7 19.Qh5 Kf8 20.Ra4 (better 20.Qf5 Kg8 21.Nh4-/+) 20...Bd8?? (20...Qf6 21.Ree4 Bc7-/+ (21...Be6? 22.Rf4 Qf4 23.Rf4 Ke7 24.Rh4+-)) 21.Nh4?? (21.Rf4 Bf6 22.Nh4+-) 21...Bg5?? (better 21...Bh4 22.Rh4 Ke7=) 22.Ng6+- Kg8 23.h4 Bf6 (23...Be6 24.Nh8 (24.hg5? Bf7-+; worse 24.Re6 Qf7 25.Qg4 Rh7 26.hg5 hg5+-) 24...Bc1 25.Re6 Kh8 26.Rg4+-) 24.Rg4 (24.Rg4 Rh7 25.Ne7 Be7 26.Qe8 (26.Rg7?! Rg7 27.Qh6 b6+=) 26...Bf8 27.Qf7 Kh8 28.Rg7 Rg7 29.Qf8 Kh7 30.e7 Ne7 31.Re7 Re7 32.Qe7 Kg8 33.Nd2+-; 24.Nh8 Kh8 25.Rg4 Qf8+-) 1–0. Andre,Wolfgang (2240) – Strater,Heinz (1930), 6th Goch op, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5)

    10.Ne5 Ne5 11.de5 Ne7 12.Ba3 Bc7+=.

    10.Ne5 Ne5 11.de5 Ne7 12.Bg5 Qc7-/+ 13.Qa4 Nc6 14.f4 Bb6 15.Na3 Bc5 16.Nb5 Qd7 17.Qc2 Ne7 18.Rb1 a6 19.Nd4 h6 20.Be7 Qe7 21.Bg6 Kd8 22.0-0 Qc7 23.Qb3 Rb8 24.Kh1 Rf8 25.f5 Bd4 (better is 25...Ke7!?=) 26.cd4+/- Qc4?? (better is 26...b5+/-) 27.Qa3+- (27.Qa3 b5 28.Qd6 Bd7 29.Qf8 Kc7 30.Qd6 Kb7 31.Qd7 Qc7 32.Qc7 Kc7 33.fe6+-) 1–0. Horak,Martin (1800) – Kotyza,B (1905), Nachod CZE, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4)

    10.Ne5 Ne5 11.de5 Ne7 12.Qh5 g6 13.Qh4 Qc7 The isolani on c3 becomes a target (13...Bc7 14.f4=+) 14.0-0= Bb6 15.Na3? (better 15.Ba3!?=) 15...Qc3-/+ 16.Bb5 (16.Bg5 Qd3 17.Be7 h6-+) 16...Bd7 (16...Nc6 17.Bc6 bc6 18.Bg5-+) 17.Bg5 (better 17.Bd7 Kd7 18.Bg5-/+) 17...0-0?? (better 17...Nc6-+) 18.Rac1+= (18.Bd7 Bf2 19.Qf2 Rf2 20.Kf2 Qd4 21.Be3 Rf8 22.Ke2 Qb2 23.Kd3 Rf1 24.Be6 Kg7 25.Rf1 Qa3 26.Kd2 Qa5 27.Kc2 Qa2 28.Kd1 Qa1 29.Bc1 Qd4 30.Bd2 Qa4 31.Ke1 Qa1 32.Kf2 Qb2-+) 18...Qa3? (18...Qe5!? 19.Bd7 Nc6+=) 19.Bd7+- Nf5 (19...h5 20.Be6 (20.Be7?! Bf2 21.Qf2 Qe7=) 20...Kh7 21.Be7 Bf2 22.Qf2 Qe7 23.Bf7 Qe5 24.Rce1+-) 20.Be6 Kh8 21.Bf6 Ng7 22.Bd5 Bd8 23.Bb7 Bf6 24.ef6 Nf5 25.Qf4 (25.Qg5 Rae8 26.Ra1 Qd6+-) 25...Rad8 (25...Rae8+-) 26.Rfd1 (26.Ra1 Qd6 27.Qd6 Nd6+-) 26...Rd1 27.Rd1 Rf6 (27...Qb2!? 28.Be4 Qf6 29.Bf5 a5=) 28.Qe5+- Qe7 29.Qc3 (29.Qb8 Kg7 30.Qa7 Rd6+-) 29...Nd6 (29...h6 30.Bd5+=) 30.Re1 Qg7 31.Bd5 Rf8 (31...Rf5 32.Qc5 Ne4 33.Qc1 Rd5 34.Re4=) 32.Qa3 (better 32.Qg7 Kg7 33.Re7 Kh6 34.Ra7+-) 32...Rd8?? (32...Nb5 33.Qc5 Qf6 34.h3+=) 33.g3?? (better 33.Qd6! Rd6 34.Re8 Qf8 35.Rf8 Kg7 36.Rf7 Kh8 37.Bf3+-) 33...Nf5 (33...Qd4 34.Qf3=) 34.Bg2 Qd7 (34...Qf7 35.Rb1+=) 35.h4 (35.Bh3 Qd2 36.Ra1 Nd4+=) 35...Rb8 (35...Qf7 36.Qa5 Rf8 37.Qc5+=) 36.Ra1 (36.Qa1 Ng7+=) 36...a5 (36...Qd4!? 37.Ra2 a5+=) 37.Qa5 Rd8 (37...Qd4 38.Ra4 Qf6 39.Qd5+-) 38.Bh3 Qd3?? (better 38...Qd4!? 39.Bf5 gf5+-) 39.Qe5 (better 39.Bf5 Qd4 40.Be6 Rf8+-) 39...Kg8 40.Qe6 Kf8?? (40...Kh8 41.Qf6 Ng7+-) 41.Bf1 (better 41.Ra7 Rd7 42.Rd7 Qd7 43.Qd7+-) 41...Qd6 (41...Qd4 42.Rc1 Re8 43.Rc8 Rc8 44.Qc8 Kg7 45.Qc7 Kh6 46.Qc1 Kg7 47.Bh3+-) 42.Qb3 (42.Qd6 Rd6 43.Ra7 h6+-) 42...Nd4 (42...Qc7 43.Rd1+-) 43.Qe3 Nf5 (43...Qd5 44.Bg2 Qc5 45.Rb1+-) 44.Qg5 (44.Qc3 Qd4 45.Qd4 Rd4+-) 44...Qd4 (44...h6 45.Qg4 Qd4 46.Qd4 Rd4 47.Kg2+-) 45.Ra6 (45.Ra3 Re8+-) 45...Rd6 (45...Kg7 46.h5 Rd6 47.hg6 hg6 48.Ra2+-) 46.Ra8 (46.Rd6 Qd6 47.g4 Nd4 48.Qh6 Ke8+-) 46...Kg7 47.Rc8 (47.h5 Rf6+-) 47...Qb6 (47...h6 48.Rc7 Rd7 49.Qf4 Rc7 50.Qc7 Kf6 51.Bc4+-) 48.Qf4 (better 48.g4 Rd1 49.gf5 Rf1 50.Kf1 Qa6 51.Kg2 Qc8 52.fg6 Qc6 53.Kg3 hg6 54.Qe7 Kg8 55.Kf4 Qc1 56.Qe3 Qc7 57.Kg5+-) 48...Rc6? (better 48...Qb7 49.Qc1 Qd5+-) 49.Qe5+- Kh6 (49...Rf6 50.Rc7 Kf8+-) 50.g4 Qd4 51.g5 Kh5 52.Be2 Kh4 53.Qh2 Kg5 54.Rc6 Qa1 (54...Qh4 55.Qg2 Kh6 56.Bg4+-) 55.Bf1 1–0. Jossien,Arnaud (2300) – Borisov,Yuri (2240), FRA Team Ch N2, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f6)

    10.Ne5 Nf6 11.0-0 (11.Qa4 Bc7 12.Nc6 bc6 13.Qc6 Bd7=) 11...0-0 (11...Bc7 12.Re1=) 12.Ba3 Re8 13.f4 (13.Re1 Qc7=) 13...Bc7 (13...Bd7 14.Bd6=) 14.Nd2 Bd6 15.g4 (15.Bb5 Ba3 16.Bc6 bc6 17.Ra3 Rf8=) 15...Ba3=+ 16.Ra3 Ne5 (16...Qd6 17.Ra2 Rf8 18.Qc2=) 17.de5 (17.fe5 Nd7=) 17...Nd7 (17...Qe7 18.Ra2 Nd7 19.Qf3-/+) 18.c4 (18.Qf3 Nc5=+) 18...Rf8 (18...Qb6 19.Kg2=+) 19.Qc2 Qh4 20.cd5 ed5 (20...Qg4 21.Kh1 ed5 22.Bh7 Kh8 23.Rg3=) 21.Bf5 (21.Be2 Nb6 22.f5 Bd7=+) 21...Nb6-/+ 22.e6 (22.Bc8 Rfc8 23.Qf5 Rf8 24.Qe6 Kh8-/+) 22...g6 23.Nf3? (better 23.Bg6 Be6 24.Bh5-/+) 23...Qe7-+ 24.Ng5 Qa3 (24...gf5 25.Rg3 h6 26.gf5-+) 25.Bg6 (25.Qc7 Qe3 26.Kh1=) 25...Qe3 26.Kg2 (26.Kh1 Rf4 (26...hg6 27.Qg6 Kh8 28.Qh7) 27.Bh7 Kg7 28.Qc7 Bd7 29.Qf4 Qf4 30.Rf4 Be6 31.Ne6 Kh7 32.Rf7 Kg6 33.Rb7 Re8=) 26...Be6 (26...hg6?? 27.Qg6 Kh8 28.Qh7) 27.Bh5 Bf5! 28.gf5 Nc4 (28...Rac8 29.Qd1 Rf6 30.Rg1-+) 29.Qb1? (29.Kh1 Qd2 30.Rg1 Kh8 (30...Qc2?? 31.Nf7 Qg2 32.Rg2) 31.Qd2 Nd2 32.Nf7 Rf7 33.Bf7 Rd8-/+) 29...Qe7 (29...Qb6!? 30.f6 Qb1 31.f7 Kg7 32.Rb1-+) 30.Re1 Qf6 (30...Qd7 31.Re6 Rf5 32.Bg4 Rg5 33.fg5 Ne3 34.Re3 Qg4 35.Kh1-+) 31.Kh1 (31.Qb7 Qb2 32.Qb2 Nb2 33.Re7 Rf5 34.Bf7 Rf7 35.Nf7-/+) 31...Qf5-+ 32.Qb7 (32.Qa1 a5-+ (32...Qf4?? 33.Rg1 Ne5 34.Ne6 Kh8 35.Nf4+-)) 32...Rab8 33.Qa7 Rb1 34.Bd1 Nb2?? (better 34...Nb6-+) 35.Ne6= Qf7 36.Qg1 (36.Rg1 Kh8 37.Qe3 Rd1 38.Qe5 Qf6 39.Nf8 Rg1 40.Kg1 Qe5 41.fe5 Kg8=) 36...Qg6 37.Nf8 Qg1 38.Rg1 Kf8 39.Bc2 Rg1 40.Kg1 h6 ½–½. Salmensuu,Olli (2415) – Abdel Razik,Khaled (2315), 3rd Open, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Ba5 8.d4 f6)

    7.c3 Be7

    8.Ba3 Qc7 9.d4 Bd7 10.Bd3 a6 11.0-0 h6 12.Qe2 Ba3 (12...Ra7 13.Nbd2=) 13.Ra3 (13.Na3 Na5=) 13...Nge7 14.Nbd2 0-0 15.Nb3 Na7 16.Nc5 Bb5 17.Rb1 Rfb8 18.Rab3 Bd3 19.Qd3 The backward pawn on b7 becomes a target 19...Nb5 20.g4 b6 (20...Rc8!?-/+) 21.Na6= Ra6 22.Qb5 Rba8 23.Kg2 Ng6 24.h4 Ra3 (24...Qe7 25.Kg3=+) 25.h5 (25.Qb6 Nf4 26.Kh2 Qb6 27.Rb6 Rc3=) 25...Nf8 (25...R3a5 26.Qf1 Nf8 27.Rb6 Qc3 28.Qc1+=) 26.Qb4 (26.Qb6!? Qc4 27.Qb5+=) 26...Rb3= 27.Rb3 Nd7 28.Qe7 Qd8 (28...Qc4 29.Ra3 Ra3 30.Qa3=) 29.Qd6 Attacking the isolated pawn on b6 (29.Qd8 Rd8 30.Ra3 Kf8+=) 29...Rc8 (29...Ra5 30.Qc6=) 30.Ra3 Qc7 (30...Rc7 31.Ra8 Qa8 32.Qc7=) 31.Qb4 (31.Qc7!? Rc7 32.Kg3+=) 31...Re8 32.Qa4 Rb8 33.Qa7 Rc8 (33...Qd8 34.Qa4=) 34.Qa4 (34.Qc7!? Rc7 35.Nd2+=) 34...f6 35.ef6 Nf6 36.Ne5 Ne4 37.Ng6 Kh7 38.Qb4 Re8 (38...Qd8 39.f3 Nd2 40.Ra7+=) 39.Qb5 (39.Ne5 Rc8=) 39...Qf7 Exerts pressure on the backward pawn (39...Rb8!?=) 40.f3+= Nd6 41.Qd3 (41.Qb6 Nc4 42.Ra7 Qf3 (42...Nb6? 43.Rf7 Kg8 44.Ra7+-) 43.Kf3 Nb6+-) 41...Kg8 42.Ne5 Qf6 (42...Qe7 43.Qa6 Nf7 44.Qa7 Ne5 45.Qe7 Re7 46.de5+=) 43.Ra7 Re7 (43...Qg5!?+=) 44.Ra8+- Re8 45.Re8 Ne8 46.Qb5 Qd8 47.Qc6 Nd6 48.Kg3 (48.Nd7!? Qe7 49.Nb6+-) 48...b5+- 49.Nd7 Qe7 50.Qa8 Qe8 (50...Kf7 51.Ne5 Kf6 52.Qb8+-) 51.Qe8 Ne8 52.Kf4 Kf7 53.Ke5 Ke7 54.Nc5 Nc7 55.f4 Kf7 56.g5 Ke7 57.g6 b4 (57...Ne8 58.Ne6 Kd7 59.f5+-) 58.cb4 Nb5 59.Ne6 Nc3 60.Ng7 Kf8 61.Nf5 Kg8 62.Nh6 Kg7 63.Nf5 Kh8 64.h6 White intends g7 64...Ne4 65.g7 (65.Ne7 Nf6 66.g7 Kh7 67.Kf6 Kh6 68.g8Q Kh5 69.Qg5) 65...Kh7 (65...Kg8 66.Ne7 Kf7 67.g8Q Ke7 68.Qg7 Kd8 69.h7 Nd6 70.Kd6 Ke8 71.h8Q) 66.Ne7 (66.Ne7 Kh6 67.g8Q Kh5 68.Nf5 Nc3 69.Qg5) 1–0. Leolko,Ludmila (1990) – Golikov,Sergei (1735), St.Petersburg Summer Open, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.Ba3 Qc7 9.d4 Bd7 10.Bd3 h5 11.0-0= Nh6 12.Re1 (12.Nbd2 0-0=) 12...a6 (12...0-0 13.Nbd2=+) 13.Be7 (13.Nbd2 0-0=) 13...Ne7=+ (worse 13...Ke7 14.Nbd2+=) 14.Ng5 (14.Qe2 0-0=+) 14...Nhf5 15.Qf3 g6 (15...Kf8!?=+) 16.h3= h4 (16...Qb6 17.g4 hg4 18.hg4=) 17.g4+= hg3 18.fg3 Qd8 (18...Rh5 19.Qf4+=) 19.g4 Ng8 (19...Nc6 20.Qf4+=) 20.Qf4+- Rh4 (20...Ngh6+-) 21.Nf3 (21.Nd2+-) 21...Nfh6?? (21...Rh3 22.gf5 ef5 23.Kf2+=) 22.Rf1?? (better 22.Qg3 g5 23.Nbd2+-) 22...Rh3= 23.Rf2 ½–½. Chernov,Igor (2300) – Kononov,Viktor V (2185), Moscow Goodwill Games, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.Ba3 f6 9.Bb5 Bd7 (worse 9...fe5 10.Ne5 Bd7 11.Bc6 bc6 12.Qh5 g6 13.Ng6+-) 10.d4 Ba3 11.Ra3 Nh6 12.ef6 Qf6 13.0-0 Nf7 14.c4 (14.Re1 0-0=+) 14...0-0 15.Nc3 a6 (15...dc4 16.Bc4 Nd6=+) 16.Qa1 (16.Bc6!? Bc6 17.c5=) 16...Rad8 (16...dc4 17.Ne4 Qf5-/+) 17.Ba4? (better 17.cd5!? ab5 18.dc6 Bc6 19.Ne2-/+) 17...dc4-+ 18.Ne4 Qe7 19.Nc5 b5 20.Bc2 Bc8 21.Na6 Nd6 (21...e5 22.de5 Bg4 23.e6 Qe6 24.Re3-+) 22.Nc5 (22.Rb1!?-/+) 22...Nf5 23.Bf5 Rf5 24.Re1? (better 24.Ne4-+) 24...Rf3! 25.gf3 (25.Rf3 Nd4 Decoy; 25.gf3 Qg5 Double attack (25...b4 Passed pawn)) 25...Nd4 (25...Rd4?! 26.Ra8 Rd8 27.Ne4-+) 26.Ne4 Nc2 27.Ra7 Qf8 (27...Na1?! 28.Re7 Nc2 29.Rb1-+) 28.Nf6 (28.Qc1 Ne1 29.Qe1 Qf3 30.Ra8-+) 28...gf6 29.Qb1 Qc5 30.Rd1 (30.Qc2 Qa7 31.Qb2 e5-+) 30...Rd1 (30...Qa7?! 31.Rd8 Kg7 32.Rc8-/+) 31.Qd1 Qa7 (31...Qa7 32.Qc2 Qd4-+) 0–1. Zapata,K (2215) – Matveeva,S (2425), FIDE WCh Women KO, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.Ra4 Nh6 9.Bd3 (9.Ba3 0-0+=) 9...Qc7 10.Qe2 Bd7 11.Bb5 a6 12.d4 Ne5 13.de5 Bb5 14.Qb5 ab5 15.Ra8 Bd8 16.0-0 0-0 17.Ba3 (17.Bh6 gh6 18.Ra2 f6-+) 17…Be7 (17...Be7 18.Ra7 Ba3 19.Ra3 Ng4-+) 0–1. Faraoni,Enrico – Sebastianelli,Diego, It (open), Torino (Italy), 1998. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.d4 a5 9.h4 +=.

    8.d4 Qd7 9.Bb5 Bd8 10.0-0 a6 11.Qc2 Nge7 12.Bd3 Ng6 13.Ng5 (better 13.g3=) 13...h6?? (better 13...0-0=+) 14.Nf7!+- Kf7 (14...Qf7 15.Bg6 Pinning (15.Bg6 Decoy); 14...Kf7 15.Bg6 Combination) 15.Bg6 Kg8 16.f4 Ne7 17.Nd2 (17.Bd3!?+-) 17...Ng6+= 18.Qg6 Qf7 19.Qf7 (19.Qd3!?+=) 19...Kf7= 20.g4 (20.c4 g6=) 20...b5 (20...h5 21.gh5 b5 22.Nb3=+) 21.f5= ef5 22.gf5 Be7 23.Ba3 Ba3 24.Ra3 Bb7 (24...Rf8!?=) 25.Nb3+= Bc6 (25...Bc8 26.e6 Ke7 27.h4+=) 26.Ra5 (26.Nc5 a5 27.f6 Rhe8+-) 26...Ra7 (26...Bb7 27.Kf2+-) 27.Nc5 Rha8 (27...Bb7 28.f6 Bc8 29.e6 Kf8 30.f7+-) 28.Rfa1 (28.Kg2 Bb7+-) 28...Bb7+- 29.Nb7 (29.R5a2!?+-) 29...Rb7+= 30.Ra6 Ra6 31.Ra6 b4 32.cb4 Rb4 33.Ra7 Kf8 34.Kf2 (34.Ra8 Ke7=) 34...Rd4= 35.Kf3 Re4 36.e6 Rc4 (36...g6!?=) 37.Rd7 (better 37.Rf7 Kg8 38.Rd7+-) 37...d4? (37...Rd4!?+-) 38.Ke4 (better 38.Rd8 Ke7 39.Rg8 Rc3 40.Ke4+-) 38...Rc2 39.Rd4 (better 39.h4!?+-) 39...Rh2+= 40.Rd8 Ke7 41.Rd7 Kf6?? (better 41...Kf8+=) 42.Rf7+- Kg5 43.Rg7 Kh5 (43...Kf6 44.Rf7 Kg5+-) 44.f6 Re2 (44...Kh4 45.f7 Ra2 46.f8Q Ra4 47.Kf3 h5 48.Qf6 Kh3 49.Qf5 Rg4 50.Rg4 hg4 51.Qg4 Kh2 52.Qg2) 45.Kd5 Rd2 (45...Rf2 46.f7 Rd2 47.Kc6 Rc2 48.Kd6 Rf2 49.e7 Rf6 50.Ke5 Rc6 51.f8Q Rc5 52.Kd4 Rg5 53.e8Q Kh4 54.Qf2 Kg4 55.Qee2 Kh3 56.Qh2) 46.Ke5 Re2 (46...Rb2 47.f7 Rb5 48.Kf6 Rb8 49.Rg8 Rb4 50.f8Q Rf4 51.Ke7 Rf8 52.Kf8 Kh4 53.e7 Kh5 54.e8Q Kh4 55.Qe5 h5 56.Qg3) 47.Kd6 Ra2 (47...Rd2 48.Ke7 Ra2 49.f7 Ra7 50.Kf6 Ra8 51.Rg8 Ra1 52.f8Q Rf1 53.Ke7 Rf8 54.Kf8 Kh4 55.e7 Kh5 56.e8Q Kh4 57.Qe5 h5 58.Qg3) 48.f7 Ra6 49.Ke7 Ra7 50.Kf6 Ra3 (50...Ra8 51.Rg8 Ra1 52.f8Q Rf1 53.Ke7 Rf8 54.Kf8 Kh4 55.e7 Kh5 56.e8Q Kh4 57.Qe5 h5 58.Qg3) 51.Rg8 (51.f8Q Rf3 52.Ke7 Rf8 53.Kf8 Kh4 54.e7 Kh3 55.e8Q Kh4 56.Qe5 h5 57.Qg3) 51...Rf3 (51...Ra1 52.f8Q Rf1 53.Ke7 Rf8 54.Kf8 Kh4 55.e7 Kh5 56.e8Q Kh4 57.Qe5 h5 58.Qg3) 52.Ke7 Kh4 (52...Rf1 53.f8Q Rf8 54.Kf8 Kh4 55.e7 Kh3 56.e8Q Kh4 57.Qe5 h5 58.Qg3) 53.f8Q Rf8 54.Kf8 (54.Kf8 Kh5 55.e7 Kh4 56.e8Q h5 57.Qe4 Kh3 58.Qh1) 1–0. Muratov,Lir – Ivanov,Pavel Y, Zelenograd RUS, City Ch, 2014. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.Nf3 Nc6 6.c3 Be7 7.d4 d5 8.e5 Qd7)

    8.d4 Kf8 9.Bd3= g6 (9...h5 10.c4=) 10.h4+= h5 11.Bg5 Kg7 12.Na3 Bd7 13.Nc2 (13.0-0 a6+=) 13...Qc7 14.Ne3 Na5 (14...Nh6 15.0-0=) 15.Rc1 (15.Qc2!?+=) 15...Ba3=+ 16.Rc2? (better 16.Rb1!?=+) 16...Ba4-+ 17.g4? (17.0-0!?-+) 17...Bc2 (17...Rc8!? 18.gh5 Rh5 19.Kf1-+) 18.Qc2 Nc4 (better 18...Rc8 19.Kd2 hg4 20.Ng4 Be7-+) 19.gh5-/+ Ne3 20.h6 Rh6 21.Bh6 Nh6 (21...Kh6?! 22.fe3 Rc8 23.h5=) 22.fe3 Rc8 23.Kd2 Be7 24.Rg1 Qa5 (24...Nf5 25.h5 Qa5 26.Rb1=+) 25.Rb1=+ Qd8 (25...Rc7 26.Qb2=+) 26.Rb7= a5 27.Rb1 Bb4 (worse 27...Bh4 28.Rg1 Kf8 29.Bg6+-) 28.Rb3 Rc7 (28...Rc6 29.e4=) 29.Qb2 (29.Qa2 Be7+=) 29...Be7= 30.Qa2 (30.Rb8 Rc8 31.Rc8 Qc8=) 30...Ra7=+ 31.Qb1 (31.Rb1 a4=) 31...a4 32.Qa2 (32.Rb7 Rb7 33.Qb7 Ng4-/+) 32...Qa8 33.Rb1 Rc7 (33...a3 34.Ng5-/+) 34.Rg1? (34.h5 gh5 35.Rg1 Kf8 36.Qa1-+) 34...Qa5-+ 35.h5? (better 35.Rc1-+) 35...Rc3 36.Ke2 Ra3?? (better 36...Rd3 37.Kd3 Qb5 38.Kd2 Bb4 39.Kc1 Qd3-+) 37.Qb2 (37.Qc2=+) 37...Qb4 (better 37...Rb3 38.Qc1 Nf5 39.hg6 fg6-+) 38.Qb4= Bb4 39.hg6 (39.e4!?=) 39...Ra2-/+ 40.Kf1? (40.Kd1 f6 41.ef6 Kf6-/+) 40...Ra1 (40...a3 41.gf7 Kf7 42.Rg6-+) 41.Kf2 (41.Ke2!? Rg1 42.Ng1 fg6 43.Nh3-/+) 41...Rg1-+ 42.Kg1 a3 43.Bb1 Ng4 (43...Be7 44.Kf2 fg6 45.Ke2-+) 44.Kf1 Ne3 (44...fg6?! 45.Ng5 Ne3 46.Ke2=+) 45.Ke2 Nf5 46.gf7 Kf7 47.Ng5 (47.Kd3 Kg6-+) 47...Ke7 48.Kd3 Kd7 49.Nf3 Ng3 50.Kc2 (50.Ng1!?-+) 50...Ne2 51.Kd3?? (51.Ba2-+) 51...Nc3 52.Kc2 Nb5 (better 52...Ba5-+) 53.Kb3 Bc3 54.Ka4 Nd4 55.Nd4 Bd4 56.Ka3 Be5 57.Kb3 Kd6 58.Kc2 Ba1 59.Kd3 e5 60.Ke3 Kc5 61.Ba2 Bd4 62.Kf3 Bg1 63.Bb1 Kd4 Black prepares the advance e4 64.Bf5?? (64.Ke2-+) 64...e4 65.Ke2 Ke5 66.Bc8 (66.Bd7 d4 67.Bb5-+) 66...d4 67.Ba6 (67.Kd2 Be3 68.Kc2 d3 69.Kc3 Bd4 70.Kc4-+) 67...Be3 68.Bb5 Bf4 69.Ba6 Kd6 70.Bb5 Kc5 71.Ba6 Kb4 72.Kd1 d3 73.Bb7 e3 74.Bf3 Kc4 75.Bg4 Kd4 76.Bh5 Bd6 77.Ke1 Bb4 78.Kd1 Ke5 79.Bf3 (79.Bg4 Kf4 80.Kc1 Kg4 81.Kb2 e2 82.Kb3 e1Q 83.Kc4 d2 84.Kb3 d1Q 85.Kc4 Qd7 86.Kb3 Qed2 87.Kc4 Q7d5) 79…Kf4 (79...Kf4 80.Kc1 Kf3 81.Kb2 e2 82.Kb3 e1Q 83.Kc4 d2 84.Kb5 d1Q 85.Kc6 Qe6 86.Kb5 Qb1 87.Ka4 Qd7) 0–1. Vakulenko,Aleksandr (1890) – Keleberda,Timur, Ukraine Chess Championship– U12, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.d4 h6 9.Bd3 g5 10.Ba3 a6 11.Nfd2 h5 12.Nb3 Qc7 13.Be7 Nge7 14.Na3 (14.0-0 b6=) 14...Ne5 15.de5 Qe5 (15...Qc3 16.Kf1=) 16.Kf1 Bd7 (16...Qc3 17.Nb5 Qe5 18.Qc2=+) 17.c4 Ba4 18.Rb1 Rd8 19.Qc2 Nc6 20.Qa2 (20.Qc1 Bb3 21.Rb3 Na5=) 20...Nb4 (20...Qc3 21.Nc5 Nb4 22.Qa1 Qa1 23.Ra1 Nd3 24.Nd3 dc4 25.Nb2-/+) 21.Qe2 (better 21.Qd2!? Nd3 22.Qd3 dc4 23.Qc4=+) 21...Qc3-/+ (21...Nd3?! 22.Qd3 dc4 23.Qc4=+) 22.Nc5 (22.Bg6 Kf8 (22...fg6?! 23.Qe6 Kf8 24.Nc5=) 23.Nc5 Qa3=+) 22...Qa3 23.Qe5? (23.Bg6 Bd7 24.Nd7 Kd7 25.Bf7=+) 23...Nd3-+ 24.Qh8 Ke7 25.Rb7 (25.Qh5 Nc5 26.Qg5 Kd7 27.Qd2-+) 25...Bd7 26.Rd7 (26.Qg7 Qc1 27.Ke2 Nf4 28.Kf3 g4 29.Kg3 Ne2 30.Kh4 Qh1 31.Kg5 Qc1 32.Kh5 Nf4 33.Kg4-+) 26...Rd7 27.Nd7 (27.Ne6 Qc1 28.Ke2 Qh1 29.Nd4 dc4 30.Nf5 Ke6 31.Ng7 Kd6 32.Nh5 Qe1 33.Kf3-+) 27...Qc1 (27...Kd7?! 28.g3 Qc1 29.Kg2 Ne1 30.Re1 Qe1 31.Qh5 Qe4 32.Kg1 Qb1 33.Kg2-+) 28.Ke2 Nf4 (28...Qh1 29.Qf8 Kd7 30.Qf7 Kd6 31.Qf8 Ke5 32.Qg7 Ke4 33.Qg6 Kd4 34.Qd3 Kc5 35.cd5 Qh2 36.de6 Qe5 37.Kf1 Qe6 38.Qa3 Kd4 39.Qb2 Ke4 40.Qc2 Kf4 41.g3 Ke5 42.Qe2 Kf6 43.Qh5 Qc4 44.Ke1=+) 29.Kf3 Qa3 (29...Qa3 30.Qc3 Qc3) 0–1. Jongsma,Daan – Ippel,Cornelius J, Haarlem op, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.d4 a6

    9.Bd3 Rb8 10.h4 h6 11.h5 b5 12.Rh3 Na5 13.Rg3 Bf8 14.Nbd2 Qc7 15.Qc2 Bb7 16.Nh4 (16.Ba3 Rc8=) 16...Ne7 17.Rf3 (17.Ba3 Ra8=+) 17...Nac6 (17...Nec6 18.Rg3-/+) 18.Ba3=+ Ne5 19.de5 Qe5 20.Be2 Qh5 (20...Qc7!?=) 21.Bd6+= Rc8?? (better 21...Nc6!? 22.Rh3 Qg5 23.Bb8 Nb8+=) 22.Rf4 (better 22.Rh3!? Qe2 23.Ke2 Nc6 24.Bf8 Nd4 25.cd4 Rc2 26.Bg7 Rh7+-) 22...Qg5 23.Ndf3 Qf4 24.Bf4 g5 25.Ne5 (better 25.Be5 Rg8 26.Qh7 gh4 27.Nh4+-) 25...Rg8?? (better 25...Bg7 26.Qd2 0-0+-) 26.Bh5+- Rg7 27.Nf7 Rf7 (27...Kd7 28.Nd6 Rb8 29.Nb7 Rb7+-) 28.Qh7 gh4 (28...Kd8 29.Qf7 gf4 30.Qf8 Kd7 31.Qf7+-) 29.Qf7 Kd7 30.Bg4 (30.Bg4 Rc6 31.0-0-0+-) 1–0. Ljamin,Vladimir – Kashirsky,Eugeny D, Seniors Russian Championship Men, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.h3 h5 11.Rg1 (11.Nbd2 g5=) 11...g5 12.g4 hg4 13.hg4 f4 14.Na3 (14.Ba3 Ba3 15.Na3 Ra7=) 14...Bd7 (14...Rh6 15.Nb5=+) 15.Ke2 (15.Nc2 Rh6=+) 15...Qc7 (15...Nh6 16.Rh1=+) 16.Bg6 Kd8 17.Nb5 (17.Rh1 Nh6=+) 17...Qb6 (17...Qb8 18.Nd6 Bd6 19.ed6 Qd6 20.Ng5=+) 18.Nd6= Bd6 19.ed6 Nf6 (19...Nh6!? 20.Rb1 Qa7=) 20.Rb1 (20.Ng5!? Rg8 21.Qc2+-) 20...Qa7 21.Ng5 Rg8 22.Qd3 (better 22.Qc2!? Kc8 23.Nf3+-) 22...e5= 23.Nf7 Kc8 24.de5 Ng4 25.Rg4 Bg4 26.Kf1 (26.Ke1 b5 27.Bf4 Qd7+=) 26...Be6+= 27.Bf5 Kd7 28.Be6 Ke6 29.Nh6 (29.Bf4 Raf8 30.Qh3 Kf7 31.Qd7 Kg6 32.Rb7 Qb7 33.Qb7 Nd8 34.Qd5 Kf5 35.e6 Kf4+-) 29...Rg5 (29...Raf8 30.Ng8 Rg8 31.Bf4+-) 30.Qh3 (better 30.Bf4!? Re5 31.Qg6 Kd7 32.Qf7 Kd6 33.Rb7 Qb7 34.Qb7 Rae8 35.Be5 Re5 36.Nf7 Ke6 37.Ne5 Ne5 38.Qa6 Kd7 39.Qb5 Kd6 40.Qb6 Kd7+-) 30...Ke5 31.Nf7 Kf6 32.Ng5 Kg5 33.Qg3 Kf5 (33...Kf6 34.Qf4 Kg7+-) 34.Qf4 Ke6 35.Qh6 Kf5 (35...Kf7 36.Qh7 Kf6 37.Rb7 Qb7 38.Qb7+-) 36.Qh7 (better 36.Qg5 Ke6 37.Qg6 Kd7 38.Qf7 Kd6 39.Ba3 Qc5 40.Qf6 Kc7 41.Bc5 Re8 42.Bd6 Kc8 43.Qf5 Kd8 44.Rb7 Re7 45.Be7 Ne7 46.Qd7) 36...Kg4 (36...Kf6 37.Rb7 Qb7 38.Qb7 Ne5 39.Qa8 d4 40.cd4 Nf7+-) 37.Qg6 Kh4 38.Qg5 Kh3 1–0. Ossa,Orlando (2290) – Rios,Cristhian Camilo (2175), IRT Eliminatoria Ajedrez Mayor, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 a6)

    9.Bd3 f6 10.0-0 Bd7 11.Nfd2 Nh6 12.Qh5 Kf8 (12...Nf7 13.ef6 gf6 14.f4=+) 13.f4 f5 14.h3 Qe8 15.Qf3 g6 16.Ba3 Kg7 17.Be7 Qe7 18.Na3 Nf7 19.g4 (19.Nb3!?=) 19...b5 20.gf5 gf5 21.Nc2 Rhg8 22.Nb3 Kh8 23.Kh2 b4 (23...a5 24.Rg1=+) 24.c4 (24.Ba6!? bc3 25.Qc3+=) 24...dc4=+ 25.Bc4 a5 26.d5 ed5 (26...Nfe5 27.fe5 Ne5 28.Qf4 Nc4 29.Qc4-+) 27.Bd5 (27.Qd5 Nh6 A) 28.Na5 Qh4 29.Rf3 Ng4 30.Kh1 Na5 31.Qd7 Nf2 (worse 31...Nc4 32.Ra8 Ra8 33.e6-+) 32.Kh2 Nh3 (worse 32...Nc4 33.Ra8 Ra8 34.e6 Ng4 35.Kh1-+) 33.Qh7 Kh7 34.Rh3 Qh3 35.Kh3 Nc4 36.Ra8 Ra8 37.Nb4 Nb6-+; B) 28.e6=+) 27...Nce5-/+ 28.Qe3 (better 28.fe5!? Qe5 29.Kh1-+) 28...Rac8-+ 29.Nbd4 Rc3 30.Qe1 Qc5 31.Bf7 Rc2 32.Nc2 Qc2 (32...Nf7?! 33.Qf2 Qf2 34.Rf2=+) 33.Rf2 (33.Qf2 Qf2 34.Rf2 Nf7 35.Ra5-+) 33...Nf3 34.Kh1 Ne1 35.Rc2 Nc2 (35...Nc2 36.Ra5 Bc6 37.Bd5 Bd5 38.Rd5 b3-+) 0–1. Chapu,Laurent – Simukov,Oleg, Prague Cedok op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 a6 6.a3 Nc6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 h5 10.h4 Bd7 11.Ng5 Bg5 (11...b5!?=+) 12.hg5+= g6 13.g4 (13.Rh4 Qb6+=) 13...h4= 14.Nd2 Na5 (14...Qc7 15.Ra3=) 15.Qc2 Ne7 16.Ba3 b6 17.f4 Bb5 18.Bb5 ab5 19.Qb1 Qd7 (19...Nc4 20.Qb5 Qd7 21.Nc4 dc4 22.Qb4=) 20.Be7+= Ke7 21.Qb4 Kd8 (21...Ke8 22.Nf3=) 22.Nb3 (22.Nf3 Qc6+=) 22...Kc7 (22...h3!?=) 23.Na5+= Ra5 24.Ra5 ba5 25.Qa5 Kb7 (25...Kc6 26.Qa3+-) 26.Qb4 (26.Kd2 Ra8 27.Qb4 Ra2 28.Ke3 Ra4+-) 26...Ra8 (better 26...Qc6!?+=) 27.Rh4+- Ra4 28.Qb3 Kb6 29.Rh8 Qa7 30.Rd8 (better 30.Ke2+-) 30...Ra3?? (30...Ra1 31.Kd2 Rh1 32.Rd6 Kc7 33.Rd5 ed5 34.Qd5 Rh7-/+) 31.Rd6+- Kc7 32.Qb5 Ra1 33.Kf2 Qa2 34.Kf3 Rf1 35.Qf1 Qd2 36.Ra6 (36.Qf2!? Qd1 37.Kg3 Kc8+-) 36...Qc3 37.Kg2 Qc2 38.Qf2 Qe4 39.Kh2 (39.Kh2 Kd7 40.Ra7 Ke8 41.Ra8 Kd7 42.Qd2+-) 1–0. Bosch,Jeroen (2250) – De Wolf,Cornelis, 5th Steinweg tournament, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.d4 Qb6

    9.Ba3 Ba3 10.Na3 a6 (10...Nge7 11.Bd3=) 11.Bd3 (11.Nb5!+-) 11...Nge7= 12.0-0 Qc7?? (better 12...Na5=) 13.Nb5!+- ab5 14.Ra8 Na5 (14...b4 15.Qb1 bc3 16.Rc1+-) 15.Bb5 (15.Qb1 Nac6+-) 15...Kf8 (15...Nec6+-) 16.Qa4 (16.Qa4 Nac6 17.Qa3+-) 1–0. Zuleta,Juan Esteban – Castro,Jairo Antonio (1960), IRT Camp Nacional de Ajedrez C, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Ba3 Bd7 10.Be2 Rc8 11.0-0 a6 12.c4 (12.Nbd2 f6=) 12...dc4=+ 13.Nc3 (better 13.Be7!? Nge7 14.Nbd2=+) 13...Ba3-+ 14.Ra3 Nge7 (better 14...Qb2!? 15.Qc1 Qc1 16.Rc1 f5-/+) 15.Ne4=+ (15.Bc4? Qb4 16.Qb3 Qb3 17.Bb3 Nd4 18.Nd4 Rc3-+) 15...0-0 16.Nd6 Rc7 (16...Nf5 17.Nc8 Rc8 18.Bc4 Nfd4 19.Nd4 Nd4 20.Rc3=) 17.Bc4 (17.Qa1 Nb4 18.Rb1 Ned5 19.Bc4 Qa7=) 17...Na5 (better 17...Nc8!?=+) 18.Bd3+= h6? (better 18...Nd5!?+=) 19.Qd2+- Nac6 20.Rb1 Qa7 21.Nb5! Qb8 (21...ab5 22.Ra7 Pinning (22.Ra7 Deflection)) 22.Nc7 Qc7 23.Be4 Bc8 24.Rc1 Rd8 25.Rd3 Nd5 26.Bd5 Rd5 27.Qc3 Qd8 28.Rcd1 (28.Qb3 Na5 29.Qc2 Bd7+/-) 28...a5 29.Ne1 Nb4 30.R3d2 b5 31.Nc2 Nc2 32.Rc2 Bd7 33.Qc7 (better 33.Rdc1!?+=) 33...Qc7=+ 34.Rc7 b4 35.Rc5 (35.Kf1 Bb5 36.Ke1 a4=+) 35...a4-/+ 36.Kf1 b3 37.Rd5? (37.Ke2 Bb5 38.Ke3 Rc5 39.dc5=+) 37...ed5-+ 38.Ke2 a3 (better 38...b2 39.Kd3 Bf5 40.Kc3-+) 39.Kd2 b2 40.Kc3 Bf5 41.Kb3 b1Q 42.Rb1 Bb1 43.Ka3 g5 44.Kb4 Kg7 (44...f6 45.ef6 Kf7 46.Kc5-+) 45.Kc5 Ba2 46.g3 (46.Kd6 h5-+) 46...g4 47.Kd6 Kg6 48.Ke7 Kf5 (48...Bb1 49.Kd6 Be4 50.Kc6-+) 49.Kf7 Ke4 (49...Bc4 50.e6-+) 50.e6 Bc4 (50...Kd4?? 51.e7 Bb1 52.e8Q+-) 51.e7 Bb5 52.Kg6 Kd4 53.Kh6 (53.Kf5 Kc3 54.Kg4-+) 53...Ke4 54.Kg5 Kf3 55.Kf5 d4 (55...d4 56.Ke5 d3-+) 0-1. Jaberansari,Daniel - Jones,Derek (1935), 16th South Wales Int, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Na3 a6 10.Be2 Bd7 11.0-0 Qc7 12.Nb5 Qb8 13.Qa4?? (better 13.Na3=+) 13...Na7-+ 14.c4 ab5 (better 14...dc4 15.Nd6 Bd6 16.Qc4-+) 15.cb5 b6 16.Bd2 Bc8 17.Rfc1 Bb7 18.Qc2 Bd8 19.Bb4 Nc8 20.Bd3 Ra1 21.Ra1 Nge7 22.h4 Qc7 23.Qd2 Qd7 24.h5 Nf5 25.Qf4 Be7 26.Bd2 f6 (26...0-0 27.g4 Nh6 28.Qg3-+) 27.g4 fe5?? (27...Nh6 28.ef6 Rf8-/+) 28.Ne5+= Qd8 29.gf5 ef5 (better 29...Qd6!?+-) 30.Bf5+- (worse 30.Qf5 Nd6 31.Qe6 Qc8 32.Qc8 Nc8+-) 30...Nd6?? (30...0-0 31.h6 Qd6 32.hg7 Rf6+-) 31.Bd7 (31.Bd7 Qd7 32.Nd7 Kd7 33.Qg4 Kd8 34.Ra7+-) 1–0. Kovalcsik,Zoltan (1945) – Hazir,Barbara (1700), HUN–chT2 Barcza, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 a6 10.Ba3 Bd7 11.0-0 Nh6 12.Be7 Ne7 13.Nbd2 Nhf5 14.Rb1 (14.Qc2 Qc7=) 14...Qc7=+ 15.c4 (15.Qc2 b5=+) 15...0-0 (15...dc4!? 16.Nc4 Bc6-/+) 16.c5= Rfb8 17.Rb6 (17.Qc2 Nc6 18.Bf5 ef5=) 17...Nc8=+ 18.Bf5 ef5 19.Rb1 b5 20.cb6 Nb6 21.Rc1 Qd8 22.Qb3 Bb5 23.Rfe1 Nc4 24.Nc4 Bc4 25.Qe3 Rb6 26.Qf4 Bd3 27.Nh4 g5 (27...Qd7 28.Qg3 Be4 29.f3=+) 28.Qg3 Rb3 (better 28...Be4 29.Nf3 g4=+) 29.Nf5+- Bc2 (29...Rab8 30.Nd6 Bf5 31.Rc3+-) 30.Re3 (30.Ne3 Bf5+-) 30...Re3 (30...Rb4!? 31.Nd6 Bg6+=) 31.Ne3 Be4 32.f3 Bg6 33.Ng4 Kg7 34.Nf6 h6 35.h4 (35.f4 Rc8 36.Rd1 gf4 37.Qf4 Rc3+-) 35...gh4 (35...Rc8 36.Rd1 gh4 37.Qh4+-) 36.Qh4 Rc8 (36...a5 37.Rc5+-) 37.Re1 (37.Rc5!? a5 38.Rd5 Qb6+-) 37...Rb8 38.f4 Qc8 39.Ng4 h5 40.Qf6 (better 40.Nf6!?+-) 40...Kh7= 41.Ne3 Qc3 42.Re2 (42.Nf5 Qe1 43.Kh2=) 42...Rb1 (42...Qd3 43.f5 Qe2 44.fg6 fg6 45.Qf7 Kh6 46.Qf4 Kg7 47.Qf6 Kh7 48.Qf7 Kh8 49.Qf6 Kh7=) 43.Kf2 (43.Kh2!? Qd3 44.f5 Qe2 45.fg6 fg6 46.Qf7 Kh6 47.Nf5 gf5 48.Qf6 Kh7 49.Qf5 Kg7 50.Qb1=) 43...Qd4= 44.g3 (better 44.Qg5 Rb4 45.g3=) 44...Rb2?? (better 44...Rb6 45.Qd8 Be4-/+) 45.f5+- (45.Qa6 Bd3 46.Qd3 Qd3 47.Rb2 h4 48.gh4 Qe4-+) 45...Re2 46.Ke2 Qb2 47.Kf3 d4 (47...Qb7 48.fg6 fg6 49.Qd6 d4 50.Nd5 Qb3 51.Kf4 g5 52.Kg5 Qg3 53.Kh5 Qh3 54.Kg5 Qg3 55.Kf5 Qd3 56.Kf4 Qd2 57.Ke4 Qg2 58.Kd4 Qg1 59.Ke4 Qg6 60.Ke3 Qg3 61.Ke2+-) 48.fg6 fg6 49.Qf7 Kh6 50.Qf8 Kh7 51.Qf7 Kh6 52.Qf4 Kg7 53.Nd5 Qb3 54.Ke4 Qc2 55.Kd4 Qa4 (55...Qc6 56.Qg5 Qa4 57.Kc5 Qa3 58.Kc6 Qa4 59.Kd6 Qa3 60.Kd7 Qa4 61.Kd8 Qa5 62.Nc7+-) 56.Kc5 Qb5 (56...Qf4 57.Nf4 h4 58.gh4+-) 57.Kd6 Qb8 58.Nc7 Qd8 59.Kc6 a5 (59...Qe7+-) 60.Ne6 (60.Ne6 Kg8 61.Nd8 Kg7 62.Ne6 Kg8 63.Qf8 Kh7 64.Qg7) 1–0. Snigurov,Maxim (2065) – Grekh,A (2400), Nebesna Sotnya Mem Blitz (11), 2018. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.d4 d5 6.e5 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 Bd8 10.0-0 Nge7 11.Ba3 0-0 12.Bh7 Kh8 (better 12...Kh7!? 13.Ng5 Kg6=) 13.Bd3 g6 14.h4 (14.Nbd2 f6+-) 14...Kg7 15.h5 Rh8 16.hg6 fg6 17.Nh2 (better 17.Bc5 Qc7 18.Na3+=) 17...Nd4-/+ 18.cd4 Qd4 19.Nd2? (better 19.Be7 Be7 20.Ra4 Qe5 21.g3-/+) 19...Qh4?? (better 19...Qd3 20.Bd6 Nf5-+) 20.Ndf3+- Qf4 21.Bc1 Qf7 22.Ng5 Qg8 23.Ng4 Nf5 24.Nf6! Bf6 25.ef6 Kf6 26.f4 Ke7 27.Ba3 Kd8 28.Bb2 Ne3? (28...Rh6+-) 29.Bf6 Ke8 30.Bb5 Kf8 (30...Bd7 31.Qb3 Rh7+-) 31.Qd4 (31.Qd4 Qh7 32.Nh7 Rh7 33.Qe3+-) 1–0. Smith,Devon – Reed,Ken, NZL–ch Major op, 2007. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.Nf3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f6 10.0-0 a6 11.Na3 Bd7 12.Nh4 (12.c4 A) 12...Nd4 13.Nd4 fe5 14.Qh5 Kf8 15.Ndc2+- (worse 15.Qe5 Bf6 16.Qe2 Qd4-/+); B) 12...fe5 13.de5 Bc5=) 12...g6 13.Nf3 Rc8 14.Re1 fe5 15.de5 Bc5 16.Qc2 Nge7 17.Bg5 Rf8 18.Bf6 Nf5 19.Reb1 Qc7 20.Qe2 Be7 21.Bf5 gf5 22.Ng5 Kd8 23.c4 Bf6 24.ef6 Rf6 25.cd5 Nd4 (better 25...ed5!? 26.Qh5 Qf4-/+) 26.Qe3 Qc3 (better 26...e5 27.f4 Qc5 28.fe5 Nf3 29.Kf2 Ne5 30.Qc5 Rc5 31.Nh7 Rh6-+) 27.Qe5?? (27.Nh7!? Rg6 28.Nf8+-) 27...Rg6?? (better 27...Nb3 28.Qc3 Rc3 29.Rb3 Rb3 30.Nh7 Rh6-+) 28.h4 (28.Nh7?? Nf3 29.Kf1 Nd2 30.Kg1 Qe5-+) 28...h6 29.Qh8 Be8?? (better 29...Kc7 30.Qh7 Rcg8=) 30.Nf7+- Ke7?? (30...Kd7 31.Rb7 Rc7 32.Ne5 Kd6+=) 31.h5 (better 31.Rb7 Rc7 32.d6 Kf7 33.Rc7 Qc7 34.dc7+- (34.Qd4?! Qc6 35.g3 Rg4+=)) 31...Nf3 (better 31...Bf7 32.Rb7 Kd6 33.Nb5 ab5 34.Ra6 Kd5 35.Rd7 Ke4 36.Rd4 Qd4 37.Qc8 Qd1 38.Kh2 Qh5 39.Kg1 Qd1 40.Kh2 e5 41.f3 Ke3 42.Rg6 Bg6 43.Qc3 Kf2 44.Qb2 Qe2-+) 32.Kh1-/+ Qh8 33.Nh8 Rg8 (better 33...Rg5!? 34.Rb7 Kd6 35.gf3 Bh5-/+) 34.Rb7=+ (worse 34.gf3 Bh5 35.Rb7 Kf6-+) 34...Kf6 (better 34...Kd6 35.Ng6 A) worse 35...ed5 36.Ne7 Rc7 37.Rc7+- (37.Ng8?! Rb7 38.gf3 Bh5=; 37.Nf5?! Kd7 38.Rb6 Rg5 39.Rd6 Kc8+=); B) 35...Bg6 36.hg6 Ne5 (worse 36...ed5 37.gf3 Rc6 38.g7+-) 37.Rb6 Kd5 38.Rd1 Kc5 39.Re6 Ng4+=) 35.gf3?? (better 35.Ng6 Nd4 36.Rb4=) 35...Bh5-+ 36.Rb3 Rh8 37.de6 0–1. Capron,Daniel (2070) – Chokbengboun,Thomas (1900), St Chely d'Aubrac op 5th, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f6 10.0-0 Bd7 11.Na3 a6 12.c4 fe5 (12...Nd4 13.Nd4 fe5 14.Qh5 Kf8 15.Ndc2+- (worse 15.Qe5 Bf6 16.Qe2 Qd4-/+)) 13.de5 d4 (13...Bc5 14.Rb1 Qc7 15.cd5 ed5 16.Re1=+) 14.Qe2 (14.Nb5 Bc5+=) 14...0-0-0 (14...Rd8 15.Ng5 Bg5 16.Qh5 Kf8 17.Bg5+=) 15.c5 (15.Nc2 Be8+=) 15...Bc5 (15...Qc7 16.Nc4 Bc5 17.Ng5+-) 16.Nc4 Qc7 17.Nd6 (better 17.Ng5!? Rf8 18.Nh7+=) 17...Bd6=+ 18.ed6 Qd6 19.Ba6?? (better 19.Ba3 Qf4 20.Rfb1=) 19...Nb8?? (better 19...ba6!? 20.Ra6 d3-+) 20.Bf4 (better 20.Bd3+-) 20...Qf4=+ 21.Rfc1 Bc6 22.Qe6 Rd7 (22...Kc7 23.Bb7 Qc1 24.Rc1 Kb7 25.Rb1 Kc7 26.Qe5 Kd7 27.Qd4 Kc8 28.Rb8 Kb8 29.Qd8 Kb7+-) 23.Bb7 Kb7 24.Rc6! Nc6 (24...Nc6 25.Qd7 Double attack (25.Qd7 Deflection; 25.Qd7 Remove defender; 25.Qd7 Overloading)) 25.Qd7 Qc7?? (25...Kb6 26.Qc8 Nge7 27.Qh8 Qh6+-) 26.Rb1 (26.Rb1 Nb4 27.Rb4 Ka6 28.Qc7 Nf6 29.Qb6) 1–0. Steinbrenner,J (2020) – Becking,FJ (1870), VMCG Open A, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f6 10.0-0 Bd7 11.Na3 fe5 12.de5 0-0-0 (better 12...a6=) 13.Nb5 a6 (13...Be8+-) 14.Nd6?? (better 14.Be3 d4 15.Nfd4 ab5 16.Ne6 Qe3 17.Nd8+- (worse 17.fe3 Be6 18.Qb1 Kc7+-)) 14...Bd6+= 15.ed6 Nf6 16.Rb1 Qc5 17.Qb3 (17.Qe2!? Rdf8 18.Qb2+=) 17...Na5= 18.Qb2 Qd6 19.Be3 e5 (better 19...b5!?=) 20.Bb6+= Nc4? (better 20...Nc6 21.Bc5 Qb8+/-) 21.Bc4+- dc4 22.Bd8 Kd8 23.Qb7 Ke7? (23...Re8 24.Rfd1 Qc7 25.Qa6 h6+-) 24.Rfd1 Qe6 (24...Qc5 25.Ne5! Qe5+-) 25.Qb4 Kf7 26.Rd6 (better 26.Ng5 Kg6 27.Ne6 Be6 28.Ra1+-) 26...Qe7 27.Re1 (27.Qc4!? Kf8 28.Ra6 e4 29.Rb8 Ne8+-) 27...Re8 28.Ne5 (28.Ne5 Kg8 29.Qc4 Be6 30.Qa6+-) 1-0. Bugayev,Vladimir - Soyunlu,N (2010), Titled Tuesday, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f6 10.0-0 fe5 11.de5 Bd7 12.Qe2 Na5 (12...Nh6!?=) 13.Nd4+- g6 (13...Nh6 14.Bh6 gh6 15.Nd2+-) 14.Be3 Bc5 15.Nd2 Ne7 (15...Bd4!? 16.cd4 Ne7+-) 16.Rfb1+- Qd8 (16...Bd4 17.Rb6 (17.cd4?! Qc7+-; 17.Bd4?! Qc7+=) 17...Bb6 18.Bb6 ab6 19.Qf3+-) 17.Nb5 (better 17.Ne6!? Be6 18.Bc5 Nf5+-) 17...Be3 18.Nd6 (18.fe3?! 0-0=+; 18.Qe3?! 0-0+=) 18...Kf8 19.Qe3 (19.fe3?! Kg7+-) 19...Nf5?? (19...Kg7 20.Nf3 Rf8+-) 20.Bf5 gf5 (20...ef5 21.e6 Be6+-) 21.Qc5 (better 21.Ra5 Rg8 22.Rb7+-) 21...b6+= 22.Qe3 Qh4 (22...Rg8!?+=) 23.Rb4+- Qh5 24.Nf3 Rg8 25.Rh4 Qg6 26.Ne1 (better 26.g3 h5 27.Nd4+-) 26...Bc6?? (better 26...Rg7+=) 27.Rh6+- Qg5 28.Rf6 Ke7 29.Rf7 Kd8 30.Qg5 (30.f4 Qh5 31.Ra7 Ra7 32.Qb6 Rc7 33.Qb8 Kd7 34.Qg8 Qg6+-) 30...Rg5 31.Rh7 (31.Nd3 Rg8 32.Ra5 ba5+-) 31...Rg4 32.h3 Rg6? (32...Rg8 33.Nf3+-) 33.g3 (better 33.Nd3!? Rg8 34.Ra5 ba5+-) 33...Nb3 (33...Rg8!?+-) 34.Raa7 Ra7 35.Ra7 Nd2 (35...d4 36.Ra3 Nd2 37.cd4+-) 36.Kh2 (better 36.Nd3!? Bd7 37.Nf4 Nf3 38.Kg2 Ne5 39.Ng6 Ng6+-) 36...Ne4 37.Ne4 de4 (37...fe4 38.g4+-) 38.Ng2 Kc8 (38...Rg8 39.Nf4 Re8 40.h4+-) 39.Re7 (39.Nf4 Rg8+-) 39...Bd7 (39...Rh6 40.Nf4+-) 40.Nf4 Rh6 41.h4 Kd8 42.Rg7 b5 (42...Bb5 43.Rb7+-) 43.Rg6 (better 43.Kh3 Rh8+-) 43...Rg6 44.Ng6 Be8 45.Nf4 Ke7 46.Kg2 (46.Kg1 e3+-) 46...Bc6 (46...Bf7 47.Kf1+-) 47.Kf1 Bd5 (47...e3+-) 48.Nd5 ed5 49.Ke2 (better 49.h5 d4 50.cd4 b4+-) 49...Ke6 50.Ke3 Ke5 51.h5 d4 (51...Kf6 52.Kf4 Ke6+-) 52.cd4 Kf6 53.d5 b4 54.Kd4 b3 55.Kc3 b2 56.Kb2 1–0. Pla Rofes,Aleix – Gracia Train,Carles (1675), Campionat Absolut de Tarragona Group B, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f6 10.0-0 fe5 11.Ne5 Nf6 12.Bg5 Ne5 (12...0-0!?=+) 13.de5+= Ne4 14.Be7 Ke7 15.Qg4 g6 16.Be4 de4 17.Qh4 Kd7? (17...Ke8 18.Na3 Qc6 19.c4+-) 18.Rd1 (better 18.Qf6!? Rd8 19.Na3+-) 18...Ke8+- 19.Na3 e3 20.fe3 Qe3 21.Kh1 Bd7 (21...g5 22.Qh5 Ke7+-) 22.Nc4 g5 1–0. Lortat Jacob,Bertrand (1680) – Guillet,Jacques (1620), Montigny le Bretonneux Noel op, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Qb6 6.a3 Nc6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f6 10.Qc2 f5 11.Na3 Bd7 12.0-0 Rc8 13.Qe2 Na5 14.Bd2 a6 15.Rfb1 Qc7 16.Nc2 Bd8 17.g4 (17.Nh4! g6 18.Nf3=) 17...Ne7=+ 18.gf5 Nf5 19.Bf5 ef5 20.Ne3 Be6 21.Ng2 0-0 22.Nf4 Qf7?? (22...Re8 23.Qd3 g6 24.Ne6 Re6 25.Bg5-/+) 23.Kh1?? (better 23.Ra5 Ba5 24.Ng5+-) 23...Rc6 (23...Re8 24.Ne6 Qe6 25.Bg5-/+) 24.Rg1? (better 24.Ra5!? Ba5 25.Ng5=) 24...Nb3 25.Rab1 Nd2 26.Qd2 Qd7 27.Rg3 Rf7 28.Rbg1 Kf8 29.Rh3 h6 30.Rg6 Ba5?? Exerts pressure on the backward pawn (better 30...Ke8=+) 31.Ng5+- (31.Ne6 Re6 32.Rhh6 Rg6 33.Rg6 Qb5+=) 31...hg5 32.Ne6 Kg8 33.Rhh6?? (better 33.Nc5 Qe7 34.Rg5+-) 33...Re6!-+ 34.Qg5 (34.Re6 Qb5 Combination) 34...Rg6 35.Qg6 Qb5 36.Kg2 Qe2 37.Rh4?? (better 37.e6 Qe4 38.Kg1 Qe1 39.Kg2 Qe4 40.Kg1 Qb1 41.Kg2 Qe4=) 37...f4-+ (37...Bc3 38.Qh7 Kf8 39.Qh8 Ke7 40.Qb8+-) 38.e6 (38.Qh7 Kf8 39.Qg6 Qe4 40.Qe4 de4 41.c4-+) 38...f3 39.Kg3 Bc7 40.Kg4 Rf4 41.Kg5 Rh4 (41...Qd2 42.Rf4 Qf4 (42...Bf4?! 43.Kh5 Bd6 44.Qf7 Kh8 45.Qe8 Kh7 46.Qg6 Kg8 47.Qf7 Kh7 48.Qg6 Kg8=) 43.Kh5 Qh2 44.Kg5 Qg1 45.Kh5 Qg6 46.Kg6 Kf8-+) 42.Qe8 Kh7 43.Qg6 Kg8 ½–½. Sobolevsky,Leonid (2255) – Pokorna,Regina (2170), Bratislava Slovan op, 1996.

    9.Bd3 f6 10.ef6 Nf6=+ 11.Ne5 (11.0-0!?=+) 11...0-0-/+ 12.0-0 Bd6 (12...Ne5 13.de5 Ne4 14.Be4 de4 15.Ba3=+) 13.Ba3 (13.Qe2 Qc7 14.f4 Bd7=+) 13...Qc7 (better 13...Ne5!? 14.de5 Be5 15.Bf8 Kf8-/+) 14.Bd6= Qd6 15.Re1 Bd7 (15...Qc7 16.Nd2=) 16.Nd2 Be8 17.h3 Nh5 18.Qb1 g6 19.Ndf3 (19.Qb7 Rb8 20.Qa6 Rb6=) 19...Nf4 20.Ng5 (better 20.Bf1!?=) 20...Ne5-/+ (20...Nd3? 21.Qb7 (21.Qd3?! Ne5 22.Re5 Bd7=) 21...Qe7 22.Qe7 Ne7 23.Nd3+-) 21.Re5 Qc6 (21...h6 22.Nf3 Nh3 23.gh3 Rf3 24.Bg6-/+) 22.g3 (22.Bc2 Qc3 23.g3 Nh3 24.Nh3 Qd4=) 22...Nd3=+ 23.Qd3 Bd7 24.Rae1 (24.Ree1 a5=+) 24...Rae8 (24...Rf6 25.h4=+) 25.h4=+ Rf5 (25...Rf6 26.h5=+) 26.h5 Kg7 (26...h6 27.Nf3 Qa6 28.Qd1=) 27.Qe3 Rf6 (27...gh5 28.Nf3 Qd6 29.Nh4 Re5 30.de5=) 28.Nh3 a5 (28...Rf5 29.Nf4=) 29.Nf4+= a4 30.Rg5 (30.hg6 hg6 31.Rg5 Rh8 32.Ng6 Rg6 33.Qe5 Kf7 34.Rg6 Kg6 35.Qh8 Kf7+-) 30...Rf5= 31.Ng6 hg6 32.Rg6 Kf7 33.Qh6 Ke7 34.Rg7?? (better 34.g4 Rf3 35.Qg5 Kd6 36.Qe5 Ke7 37.Qg5 Kd6 38.Qe5 Ke7 39.Qg5=) 34...Kd8-+ 35.g4 Rff8 (35...Rf3 36.Qg5 Kc8 37.h6-+) 36.Qc1 (36.Qg5 Kc7 37.h6 a3-/+ (37...Qc3 38.Rc1 Qc6 39.Rc6 bc6 40.Qe5 Kc8 41.Qd6+-)) 36...Rf3 (better 36...Kc7-+) 37.Re3? (better 37.h6 Qd6 38.h7-+) 37...Ref8 (better 37...Re3 38.Qe3 a3-+) 38.Rf3= Rf3 39.Kg2 Rc3?? (better 39...Rf8 40.h6 Qd6=) 40.Qf4+- Kc8 (40...e5 41.Qg5 Kc7+-) 41.h6 a3 (41...b6 42.h7 Kb7+-) 42.h7 b5 43.h8Q Be8 (43...Kb7 44.Qfb8 Ka6 45.Qa8 Qa8 46.Qa8 Kb6 47.Rd7 Rg3 48.Kg3 e5 49.Rb7 Kc6 50.Qa6) 44.Rg8 (44.Qf7 Rg3 45.fg3 Qc2 46.Kh3 Qh2 47.Kh2 a2 48.Qfe8) 44...Kb7 (44...Qd7 45.Re8 Kb7 46.Qb8 Ka6 47.Qa8 Qa7 48.Re6 Ka5 49.Qa7 Kb4 50.Qf8 Kc4 51.Qfc5 Kd3 52.Re3 Kc2 53.Qc3 Kb1 54.Qaa3 b4 55.Re1) 45.Re8 a2 (45...Ka7 46.Re7 Kb6 47.Qd8 Ka6 48.Qfd6 b4 49.Q8b8 Rg3 50.fg3 Ka5 51.Qc6 a2 52.Ra7) 46.Rb8 Ka6 (46...Ka7 47.Qf7 Qc7 48.Qd8 Ka6 49.Qdc7 Rc7 50.Qc7 a1Q 51.Ra8) 47.Ra8 Kb6 48.Qhb8 (48.Qd8 Qc7 49.Qfd6 Kb7 50.Qa6) 48...Qb7 49.Qb7 (49.Qfd6 Rc6 50.Qb7 Kb7 51.Qb8) 49...Kb7 50.Qb8 (50.Qb8 Kc6 51.Ra7 Rg3 52.Kg3 b4 53.Qb4 a1Q 54.Qc5) 1–0. Brown,Geoffrey D – Dean,Robert A (1820), 6th The Four Nations Chess League Congr, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 g6 10.Bg5 Bg5 11.Ng5 Qd8 12.Qd2 h6 13.Nf3 Bd7 14.Na3 a6 15.c4 Na5 16.cd5 (16.Qe3 dc4 17.Nc4 Nc4 18.Bc4 Ne7=+) 16...ed5 (better 16...Nb3!? 17.Qb2 Na1-/+) 17.Qa2 Ne7 18.Nc2 Nac6 19.0-0 0-0 20.Rab1 b5 21.Ne3 Attacks the isolani on d5 21...Be6 22.h4 (22.Rfc1!?=) 22...Qb6 Black prepares the advance b4 23.Qb2 b4 24.Nc2 (24.Ra1 f6-/+) 24...a5 25.Qc1 Kg7 26.Qf4 f5 (26...f6 27.Qd2-+) 27.h5 (27.Rb2 a4-/+) 27...gh5 (better 27...g5 28.Qd2 g4-+) 28.Ng5?? (better 28.Rb2-/+) 28...hg5-+ 29.Qg5 Ng6 30.g3 (30.Rfd1 Rab8 (30...Nd4?! 31.Qe3-+) 31.Be2 Qd8-+) 30...Qd8 (30...Nd4?! 31.Qe3 Nf3 32.Qf3 Ne5 33.Qe2 Nd3 34.Qd3-+) 31.Qh5 Rh8 32.Qf3 Qg5 33.Qg2 Qg4 34.f4 Rh3 35.Ne3 Qg3 36.Nf5 (36.Qg3 Rg3 37.Kf2 Nf4 38.Bb5 Nd4 39.Kg3-+) 36...Bf5 37.Bf5 Qe3 38.Rf2 Rg3 39.Rbb2 0–1. Haug,Finn (1930) – Fedin,Viktor (1760), Alta ASKO Hostturnering, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 h5 10.Na3 Nh6 11.Nb5 Nf5 12.Qe2 Qd8 13.Bf5 ef5 14.Nd6 Bd6 15.ed6 Be6 16.Bf4 Qd7 17.c4 0-0 18.c5 f6 19.h4 Rfe8 20.0-0 Bf7 21.Qb5 Re4 22.g3 a6 23.Qb6 Rc8 (23...Nd4? 24.Nd4 a5 25.Nb5+-) 24.Rfb1 Nd8 (24...Nd4? 25.Nd4 Rd4 26.c6 Rc6 27.Qd4+-) 25.Nd2 (25.Rb4!?=) 25...Rd4-/+ 26.c6 Nc6 27.Qb7 Rd8 28.Ra6 Ne5 29.Be5 fe5 (29...Qb7 30.Rb7 fe5 31.Nf3 Rd1 32.Kg2=) 30.Nf3?? (30.Qd7 Rd7 31.Nf3+-) 30...Rd1!?-/+ 31.Kh2 (31.Rd1 Qb7 Deflection) 31...Rb1 32.Qb1 e4 33.Ne5 Qe6 34.Qb6 Re8 35.Qd4 f4 (35...Qe5 36.Qe5 Re5=) 36.Rb6 (better 36.d7 fg3 37.Kg3 Qa6 38.de8R Be8 39.Qd5 Kh7 40.Qe4 Bg6 41.Qd4=) 36...Qf5 (36...Qe5 37.Qe5 Re5 38.d7 fg3 39.Kg3+=) 37.d7 Be6?? (better 37...fg3 38.Kg3 Rd8-/+) 38.g4 (38.de8Q Qf8 39.Qe6 Kh8 40.Ng6 Kh7 41.Nf8 Kh8 42.Qh6 Kg8 43.Qhg7) 38...hg4 (38...Qf8 39.Re6 Re6 40.Qd5 Qe7 41.d8Q Qd8 42.Qd8 Kh7+-) 39.Rd6 (39.de8Q Qf8 40.Qe6 Kh7 41.Qg6 Kh8 42.Qh5 Kg8 43.Qd5 Qf7 44.Qdf7) 39...g3!-+ 40.Kg1 (40.fg3 Qh3 Deflection (40...Qh3 Decoy)) 40...gf2 (40...Bd7 41.Nd7 e3 42.fe3 fe3 43.Nf6 (43.Qd5?? Qd5 44.Rd5 e2-+) 43...Kf8 44.Nh7 Ke7 45.Qe3 Kd6 46.Qb6 Ke7 47.Qc7 Qd7 48.Qg3-+) 41.Kf2 e3 42.Ke1 Qb1 43.Ke2 (43.Qd1 Qd1 44.Kd1 Bd7 45.Nd7-+) 43...Qc2 44.Ke1 Qf2 45.Kd1 e2 (45...e2 46.Kc2 e1Q 47.Qf2 Qf2 48.Kc3 Qe1 49.Kb3 Rb8 50.Rb6 Rb6 51.Kc2 Bf5 52.Nd3 Bd3 53.Kd3 Qd1 54.Kc3 Rb3) 0–1. Kanonenberg,Wilhelm – Schulz,Rainer, Regionalliga NordS, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Qb6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 h5 10.Ng5 Qd8 11.h4 Bd7 12.Qf3 Bg5 13.Bg5 Nge7 14.0-0 Rc8 15.Qg3 Qc7 16.Be7 Ke7 17.Qg5 (better 17.Qg7!? Rcg8 18.Qf6 Ke8 19.Nd2+=) 17...Kf8= 18.f4 Qd8 19.Qg3 g6 20.Rf2 Na5 21.Ra3 Kg7 22.Rfa2 b6 23.Nd2 Qe7 24.Nf1 Rc7 25.Ne3 Kh7 26.f5 Rg8 27.f6 Qf8 28.Nd5 ed5 29.e6 Rc6 30.ed7 Rf6 31.Qg5 (31.Qe5 Qd6=) 31...Qd6 32.Qh5 Kg7 33.Qe5 (33.Qg4 Qf4 34.Qg5 Rd8=) 33...Qd7=+ 34.Rf2 Qe6 35.Rf6 Qf6 36.Qd5 Qh4 37.Qe5 Qf6 38.Qc7 Re8 39.Ra1 (39.Qa7?? Re1 40.Bf1 Rf1 41.Kh2 Qh4) 39...Qe6 40.Qg3 Qe3 41.Qe3 Re3 42.Rd1 f5 43.d5 Nb7 44.c4 Nd6 45.Bf1 Rc3 46.Ra1 a5 47.Rb1 Nc4 48.Bc4 Rc4 49.Rb6 Rd4 50.d6 Kf7 51.Ra6 a4 52.Ra7 Ke6 53.d7 g5 54.d8Q Rd8 55.Ra4 f4 56.Kf2 Kf5 57.Ra3 Rd2 58.Kf1 Kg4 59.Rb3 Ra2 60.Rc3 Kh4?? (better 60...Kh5-+) 61.Rh3= Kg4 62.Rb3?? (62.Rc3 Kh5 63.Rh3 Kg6 64.g4-+) 62...Ra5 63.Kf2 Kf5 64.g3 Ra2 65.Kf1 Kg4 0–1. Garcia,Jason – Gooding,Ian R, Monmouth op, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qb6 7.ab4 Bb4 8.c3 Be7)

    8.d4 Rb8

    9.Na3 a6 10.Nc2 b5 11.Bd3 b4 (11...h5 12.0-0=) 12.cb4 Nb4 13.Nb4 Bb4 14.Kf1 (14.Bd2!?+=) 14...a5 15.h4 ½–½. Bandt,Steffen – Herzwurm,Robert, Porz op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 b5 10.0-0 a5 11.Be3 b4 12.cb4 Nb4 13.Be2 Bd7 14.Nc3 f5 15.Nd2 Rc8 16.Rc1 Bg5 (16...a4!?=) 17.Bg5+= Qg5 18.Nb5 Rc1 19.Nd6 Ke7 (better is 19...Kf8!? 20.Qc1 Nc6+/-) 20.Qc1+- Nc6 21.f4 Qg6 (21...Nd4 22.Bd1 (22.fg5 Ne2 23.Kh1 Nc1 24.Rc1 a4-/+) 22...Qg6 23.Qc5+-) 22.Nb3 (22.Qc5 Kf8 23.Rb1 Nge7+-) 22...Nf6? (22...a4 23.Bb5 ab3 24.Bc6 b2+-) 23.Bb5 Rb8 (23...a4 24.Ba4 Ne5 25.de5 Ba4 26.ef6 Qf6+-) 24.ef6 (worse is 24.Bc6 Bc6 25.Na5 Ba4+-) 24...Kd6 (24...Qf6 25.Qc5 Rb5 26.Nb5 (26.Qb5?! Nd4 27.Nf5 Nf5 28.Qa5 Qb2 29.Qb4 Ke8+/-) 26...Kf7 27.Ra1+-) 25.Qc5 Kc7 26.Bc6 Bc6 27.Rc1 Qe8 (27...Rb6 28.Qe7 Kb8 29.Qd8 Kb7 30.Na5 Ka6 31.Nc6 Qg2 32.Kg2 Rb2 33.Kg1 Rc2 34.Qa8 Kb6 35.Rb1 Rb2 36.Rb2 Kc7 37.Qd8 Kc6 38.Rb6) 28.Na5 gf6 29.Nc6 Rb2 (29...Rb7 30.Ne5 Kd8 31.Qd6 Qd7 32.Nd7 Ke8 33.Qe6 Kd8 34.Nf6 Rb2 35.Rc8) 30.Nb4 Kb7 (30...Qc6 31.Qc6 Kd8 32.Qc8 Ke7 33.Rc7 Kd6 34.Qd7) 31.Qc7 (31.Qc7 Ka8 32.Ra1 Ra2 33.Ra2 Qa4 34.Ra4) 1–0. Kaczmarek,Aleksander (2165) – Procop,Egor (2060), Budva MNE, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 b5 10.0-0 a6 11.Qc2 (11.Nbd2 h5=) 11...h5 12.Nbd2 Na5 13.Nb3 (13.Qa2 Nc4=) 13...Nb3 14.Qb3 Qb6 (14...Nh6 15.h3=) 15.Ba3 Ba3 16.Qa3 Ne7 17.Qc1 Qd8 18.Qf4 Ng8 (18...Nf5 19.Bf5 ef5 20.e6 Be6 21.Ra6=) 19.Rfb1 Nh6 20.Qg3 Kf8 21.Qf4 (21.Qh3=) 21...Ke8 (21...Rb6 22.Ne1=) 22.Qg3 (22.Ng5 Rb6+=) 22...Kf8= 23.Qf4 (23.Nh4 Rb6=) 23...Ke8 (23...Rb6!?=) 24.Qg3 ½–½. Besner,Bernhard (2175) – Gaertner,Guntram (2330), Austrian Championship, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    8.d4 Qc7

    9.Ba3 Bd7 10.Bd3 Na5 11.Be7 Ne7 12.h4 (12.Qc2 Ng6=+) 12...Nc4 13.Qe2 a6 14.0-0 Rc8 15.h5 h6 16.Nh4 Qb6 17.Nd2 Nd2 18.Qd2 Bb5 (18...Qc6 19.Ra3=+) 19.Rab1 Qc6 20.Bb5 ab5 21.Qb2 0-0 22.Rfc1 (worse 22.Qb5 Qc3 23.Qb7 Nc6=+) 22...Rc7 23.Qb5 Qb5 24.Rb5 Rfc8 25.Rcb1 Rc3 26.Rb7 Rc1 27.Rc1 (27.Kh2 Rb1 28.Rb1 Rc4=) 27...Rc1=+ 28.Kh2 Nc6 29.Rc7? (better 29.Nf3!?=+) 29...Rc4-+ 30.Rc8 Kh7 31.Rc6 Rc6 32.Nf3 Rc4 33.Kg3 f6 34.Kf4 Kg8 35.Ke3 Rc3 36.Ke2 Kf7 37.g4 Rf3 (better 37...Rc2 38.Ke3 Rc1-+) 38.Kf3= fe5 39.de5 Ke7 (39...g6 40.Ke3=) 40.Ke3+= Kd7? (better 40...Kf7+=) 41.Kd4 Ke7 (41...Kc6+-) 42.f4 Kf7 43.f5 Ke7 44.Kc5 Kf7 45.fe6 Ke6 46.Kd4 (46.Kd4 Kd7 47.Kd5+-) 1–0. Amori,Michael – Townsend,M Paul (2220), New York State–ch, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qc7 7.ab4 Bb4 8.c3 Be7)

    9.Na3 a6 10.Be3=+.

    9.Na3 f6 10.ef6 (10.Nb5!? Qd8 11.Ba3=) 10...Nf6=+ 11.Bd3 (11.Nb5!? Qb8 12.g3=+) 11...Nd4!-/+ 12.0-0 (12.cd4 Qc3 Double attack; 12.Nd4 Qc3 Double attack (12...Qc3 Decoy)) 12...Nf3-+ 13.Qf3 0-0 14.Nb5 Qb8 15.Bf4 e5 16.Bg3 (16.Qe2 ef4 17.Qe7 Re8-+) 16...a6 (better 16...Bc5 17.Qe2 Re8-+) 17.Nd4? (better 17.Qe2 Nd7 18.Nd4-+) 17...Bd6 18.Nf5 Ne4 19.Be4 de4 20.Nh6 gh6 21.Qe4 Bf5 22.Qd5 Kg7 23.Rad1 Bc7 24.Rfe1 e4 25.Qd4 Kg6 26.Re4 Rd8 (better 26...Bg3 27.hg3 Qc7-+ (27...Be4?! 28.Qe4 Kg7 29.Qg4 Kf6 30.Qh4 Kg7 31.Qg4 Kh8 32.Qd4 Kg8 33.Qg4 Kh8 34.Qd4 Kg8 35.Qg4 Kh8=)) 27.Rg4= Bg4 28.Qg4 Kf7 29.Qf5 Kg7 30.Rd7 Rd7 31.Qd7 Kg8 32.Qe6 Kg7 33.Qe7 Kg8 34.Qe6 Kg7 35.Qe7 Kg6 36.Qe6 Kg7 37.Qe7 Kg8 38.Qe6 Kf8 39.Qf6 Kg8 40.Qe6 ½–½. Airando,Martin (2260) – Cereijo,Nicolas, FASGBA Superior, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd2 a5 10.Bc1-/+.

    9.Bd2 f6 10.Bb5 (10.Bf4 f5-/+) 10...Bd7 11.Bc6 (11.ef6 Nf6 12.Qc1 Na5 13.Bd7 Nd7-/+ (worse 13...Kd7 14.Bf4 Qb6 15.Ra2=)) 11...Bc6 Black has the pair of bishops 12.0-0 (12.ef6 Nf6 13.h4 a5-/+) 12...Bb5 (12...f5 13.Na3-/+) 13.Re1 a6 (better 13...f5!?-/+) 14.ef6= Nf6 15.Re6 0-0 Black has an active position 16.Qe1 (16.Bf4 Qd7 17.Re1 Rac8=) 16...Rae8 (16...Bd6 17.c4 dc4 18.Ba5-+) 17.Qe5? (17.Bg5 Kh8=+) 17...Qe5 (better 17...Qd7!? 18.h3 Ne4-+) 18.Ne5=+ The white knight is well posted. (18.de5 Not 18...Ng4 19.Be1 Bc5 20.Re8 Re8-/+ (20...Be8?! 21.Nbd2=)) 18...Ne4 19.Be3 Rf6 20.Rf6 Bf6 21.Ng4 (21.f3 Nc5 22.Na3 Nb3=+) 21...Be7 (21...Rc8!?-/+) 22.f3=+ Nf6 23.Nf6 Bf6 24.Kf2 h6 Secures g5 25.Na3 Bd3 26.Ra2 Rc8 Black threatens to win material: Rc8xc3 27.Bd2 Kf7 28.Ke3 Bh7 29.Rb2 b5 30.Nc2 (30.Ke2 Ke6=+) 30...Re8 31.Kf2 Bc2 (31...a5 32.Ne3 Bd3 33.g3=+) 32.Rc2= Rc8 33.Ra2 Ra8 34.g3 Covers h4 34...Ke6 35.Ke3 Bg5 36.f4 White threatens to win material: f4xg5 36...Be7 37.Kf3 h5 38.h3 a5 39.Ke3 a4 Black has a new backward pawn: b5 40.Kd3 Bd6 41.Bc1 g6 42.Re2 Kd7 43.Ra2 Rf8 44.Bd2 (44.Rg2!?=+) 44...g5-/+ 45.Rb2 Kc6 46.Bc1? (46.fg5 Rf3 47.Kc2 Rg3 48.h4-+) 46...gf4-+ 47.gf4 (47.g4 a3 48.Ra2 f3-+) 47...Bf4 48.Rf2 (48.Bf4 Rf4 49.Rh2 Rf3 50.Kc2 h4-+) 48...Bd6 (48...Bc1 49.Rf8 h4 50.Rc8 Kb6 51.Rh8+-) 49.Rf8 (49.Be3 b4 50.cb4 Rf2 51.Bf2 Bb4-+) 49...Bf8 50.Bg5 a3 (better 50...b4!? 51.cb4 Bb4-+) 51.Kc2-/+ b4 52.cb4 Bb4 53.Kb3 Bd6 54.Bc1 White threatens to win material: Bc1xa3 54...Kb5 55.Be3 (55.Bd2 Bf8-/+) 55...Bb4 (55...a2 56.Ka2 Kc4-+) 56.Bf2? (better 56.Bc1 Bf8 57.Bd2-/+ (57.Ba3?? taking the pawn will cause White grave problems 57...Ba3 58.Kc3 Bb4 59.Kd3 Ba5-+)) 56...a2!-+ Mate threat 57.Ka2 (57.Ka2 Kc4 Combination) 57...Kc4 58.Kb2 Bc3 59.Kc2 Bd4 60.Bg3 (60.Bh4 Be5-+) 60...Be3 61.Be5 d4 62.Bf6 d3 63.Kd1 Kd5 64.h4 Ke4 65.Bd8 Kf3?? Black has let it slip away (65...Kf5 66.Ke1-+) 66.Ke1? (better 66.Bg5-/+) 66...Kg4-+ 67.Kf1 Bf4 68.Be7?? sad, but how else could White save the game? (68.Kf2-+) 68...Bg3 69.Bb4 Kf3 70.Bd2 Bh4 71.Bh6 Bg3 (71...Bf2 72.Bd2 h4 73.Be1 h3 74.Bf2 d2 75.Kg1 d1Q 76.Be1 Qe2 77.Bf2 Qf2 78.Kh1 Qg2) 72.Bd2 h4 73.Bc1 Bf4 (73...Bf2 74.Bd2 h3 75.Bf4 d2 76.Bd2 h2 77.Bc1 h1Q) 74.Be3 (74.Bf4 doesn't do any good 74...Kf4 75.Kf2 h3 76.Ke1 Ke3 77.Kd1 d2 78.Kc2 h2 79.Kb2 d1Q 80.Ka2 Qa4 81.Kb1 Qb3 82.Ka1 h1Q) 74...Be3 75.Ke1 d2 (75...d2 76.Kd1 Kf2 77.Kc2 h3 78.Kb3 h2 79.Kb4 d1Q 80.Kc4 h1Q 81.Kc3 Qa4 82.Kb2 Bd4; 75...h3 76.Kd1 h2 77.Ke1 h1Q) 0–1. Nischler,Hermann – Zierott,Gert, Merano Gold Cup (8), 2002. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.Nf3 Qc7)

    9.Bd3 a6 10.0-0 f5 (10...Bd7 11.Nbd2=+) 11.Ba3 Nh6 12.Nbd2 0-0 13.Qe2 Ba3 14.Ra3 Qe7 15.Rfa1 Bd7 16.Nb3 Rad8 (16...Be8 17.c4=) 17.Nc5+= Bc8 18.Rb3 Rde8 19.Rb6 Nd8 20.Rab1 g5 21.Nd2 g4 22.Bc2 Qg5 23.c4 (23.Qd3 Re7+=) 23...dc4 (23...Nc6!? 24.Ba4 Nd4+=) 24.Nc4+- Nhf7 (24...Qf4 25.Nd6 Qd4 26.Ne8 Re8 27.R6b4 Qc5 28.Rc4+-) 25.Ba4+- Re7 26.Qd3 (better 26.Nd6!? Rc7 27.Nc8 Rc8 28.Nd7+-) 26...Rc7+= 27.Nd6 The pressure on b7 grows (27.Ra1!?+=) 27…Ne5= ½–½. Markwald,Jochen – Schermeier,H, NRW–Liga I, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd3 a6 10.h4 h6 11.g4 (11.h5 Bd7=+) 11...Bd7 12.g5 0-0-0 (12...hg5 13.Bg5 Bg5 14.Ng5-/+) 13.Ke2 (13.Rg1 Rf8=) 13...f6 (13...Rf8!?=+) 14.ef6= gf6 15.gf6 (better 15.g6!? Bf8 16.Rg1=) 15...Nf6-/+ 16.Bd2 (16.Qb3 Rdg8-/+) 16...Rdf8 (16...e5 17.de5 Ne5-+) 17.Na3 (better 17.Be3!?-/+) 17...e5-+ 18.de5 Ne5 19.Bf4 Bd6 (19...Nfg4 20.Be5 Ne5 21.Nb5-+) 20.Be5 Be5 21.Qb3? (21.Qc2-+) 21...Bc6 (better 21...Bg4 22.Nb5 Qe7 23.Bf5 Bf5 24.Na7 Kd8 25.Qb6 Bc7 26.Qe3 Re8-+) 22.Rhb1 (22.Nc2!?-/+) 22...Nd7 23.Rg1?? (better 23.Qc2-+) 23...Nc5 24.Qc2 Bd6 (24...Qf7 25.Bf5 Qf5 26.Qf5 Rf5 27.Ne5 Re5 28.Kf1-+) 25.Nb5?? (25.Bf5 Kd8 26.Nd4 Qe7 27.Kf1 Qh4 28.Qb1-+) 25...Qe7 (25...Bb5 26.Bb5 Qf7 27.Kd1 Qf3 28.Be2 Qf2 29.Bg4 Kc7 30.Qf2 Rf2 31.Be2-+) 26.Kf1 (26.Kd1 Bb5 27.Bb5 Rf3-+) 26...Rf3 (worse 26...Bb5 27.Bb5 Rf3 28.h5-+) 27.Bf5 (27.Nd6 Qd6 28.Be2 Rf6 29.Bg4 Kd8-+) 27...Nd7 (better 27...Kd8 28.Nd4 Rf4-+) 28.Re1 (28.Nd4 Rf4 29.Nc6 bc6 30.Ra6-+) 28...Bb5 29.Kg2 Qh4 30.Kf3 Qf4 31.Kg2 Rg8 32.Kh3 (32.Bg6 Qg4 33.Kh1 Qh3) 32…Qh2 0–1. Danielsson,Sigurdur (1760) – Hauksson,Hordur Aron (1870), Reykjavik Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Qc7 5.Nf3 Nc6 6.d4 e6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f5 10.0-0= Nd8 11.g4 (better 11.Qb3!?=) 11...fg4-/+ 12.Ne1 Nf7 (12...h5 13.Bg6 Nf7 14.Nd3-/+) 13.Qg4=+ Ngh6 14.Qh5 0-0 15.Kh1 Bd7 16.Rg1 Kh8 (16...Nf5 17.Ba3 Ba3 18.Ra3-/+) 17.Ng2 (better 17.Bh7 Rfc8 18.Bd3+-) 17...Be8 (17...b6 18.Nf4 Rg8 19.Ng6 hg6 20.Qg6 Ng5 21.Rg5 Nf5 22.Rh5 Nh6 23.Qh7) 18.Qh3 Ng5 (18...Qc6!?-/+) 19.Bg5= Bg5 20.f4 (worse 20.Qe6 Bd7 21.Qd5 Ng4-/+ (21...Rf2?! 22.Qe4 Bf5 23.Qe1=)) 20...Bd8 (worse 20...Bf4 21.Rf1+-) 21.Qe6 Bd7 22.Qd5 Bc6 23.Qc5 (23.Qa2 Ng4 24.f5-/+) 23...Be7-/+ 24.Qa5 Ng4 25.Qa2 (25.Qc7?? Nf2) 25...Rf4 26.h3?? (better 26.Rf1 Rf1 27.Bf1-+) 26...Nf2 (26...Rf3 27.Re1 Nf2 28.Kg1 Nd3 29.Re3 Re3 30.Ne3 Ne5 31.Nd2-+) 27.Kh2 Bg2 (27...Rf3 28.Nf4 Rf4 29.Bf1-+) 28.Rg2 Nd3 29.Qe2 Qc4 30.Nd2 (30.Ra2 Qb5 31.Nd2-+) 30...Qc3 31.Rag1 (31.Rb1 Qd4 32.Rb7 Rf7-+) 31...Raf8 32.Qe3 Qd4 33.Qd4 Rd4 34.Rg7 (34.Nb3 Rd7 35.e6 Bd6 36.Kh1 Nf2 37.Rf2 Rf2-+) 34…Ne5 0–1. Dorsch,Thomas (2275) – Robles,H, California op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.Na3 Nh6 (better 10...Nd4!? 11.Qa4 Nc6-/+) 11.Bh6 gh6 12.Qd2 0-0 (12...Rg8!?=) 13.Nb5+= Qd8 14.Qh6 Rf7 15.g4 f4 (15...fg4 16.Rg1 Pinning (16.Rg1 Decoy)) 16.g5 Qf8 17.Qh5 Bd7 18.Rg1 White prepares the advance g6 18...Rg7 19.g6 Kh8 20.Ke2 a6 21.gh7 Be8 (21...Qf7 22.Qf7 Rf7 23.Nd6 Bd6 24.ed6+-) 22.Qh3 1–0. Barendregt,Johan Teunis – Bonkenburg,Jan, Hoogovens–C Beverwijk, 1966. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Qc7 6.a3 Nc6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f5 10.h3 Bd7 11.g4 fg4 (11...Rc8!?=+) 12.hg4= Nh6 (12...h6 13.Nh4 Bh4 14.Rh4=) 13.g5 (better 13.Bh6!? gh6 14.Rh6+/-) 13...Nf5= 14.g6 (14.Nh4 Nh4 15.Rh4 Kd8=) 14...h6=+ 15.Bf5 ef5 16.Ng5 Bg5 17.Bg5 Nd8 18.Bh4 (18.Bd8!? Kd8 19.Qf3=+) 18...Qb6-/+ 19.Rg1 Ne6 20.Nd2 Rc8 21.Ra3 0-0 (21...Nf4 22.Qb3 Nd3 23.Ke2-/+) 22.Rb3 Qa6 23.Qe2? (23.Be7 Rfe8 24.Ra3 Qb6-/+) 23...Qe2?? (better 23...Qa1 24.Qd1 Qd1 25.Kd1 Ba4-+) 24.Ke2-/+ b6 25.Be7 Rfe8 26.Bd6 Rc6 27.Kd3 (27.Ra3 a5-+) 27...Rec8 (27...Nf4 28.Ke3 Ng6 29.Rg6-+) 28.Rc1? (better 28.Nf3-/+) 28...Be8-+ 29.Nf3 Bg6 30.Rg1 Kf7 31.Kd2 f4 32.Ba3 (32.Ra3 a5-+) 32...Be4 33.Ne1 g5 34.f3 Bf5 35.Bb2 h5 36.Nd3 h4 (better 36...a5-+) 37.Nb4 R6c7 38.Nd5 Rd7 (38...Nd4!? 39.cd4 Rc2 40.Kd1-+) 39.Nf6-/+ Rdd8 40.Ke2 h3 41.d5 Ng7 (41...Rc5 42.Ra1 Nc7 43.Ba3 Rcd5 44.Nd5 Nd5 45.Bd6-+) 42.Ra3 (42.Rg5 h2 43.Ra3 h1Q 44.Ra7 Rd7 45.Nd7 Qh2 46.Kd1 Qc2 47.Ke1 Qb1 48.Kd2 Qb2 49.Kd1 Qc2 50.Ke1 Qc3 51.Kf2 Qd2 52.Kf1 Rc1) 42...a5 43.Rg5 h2 (43...Rc5!? 44.Rg1 Ne8 45.Ne8 Re8 46.e6 Be6 47.de6 Re6 (47...Ke6?! 48.Rh1=+) 48.Kd3 Re3 49.Kd4 Rc8-+) 44.Ra1= Rc5 (44...Rh8 45.Rh1 a4+=) 45.Nh5?? (better 45.Rh1!? Rh8 46.Rg2+=) 45...Nh5-/+ 46.Rh5 Bg6 (46...Rcd5 47.Rf5 Ke8 48.Rf4 Rd2 49.Ke3 Rb2 50.Rh4-/+) 47.e6=+ Ke7 48.Rh2 Rcd5 49.Ba3 (49.Bc1!?-/+) 49...Ke6-+ 50.Rh6? (50.Bc1 Re5 51.Kf2 Rd1-+) 50...Kf7 (50...Re5 51.Kf1 Kf5 52.Rh3-+) 51.Re1? (51.Rh4 Re5 52.Kf1 Bd3 53.Kg1 Rg8 54.Kh2 Ke6-+) 51...Re5 (better 51...Rd2 52.Kf1 Ra2-+) 52.Kf1 Re1 53.Ke1 Rd3 54.Ke2 Rc3 55.Bd6 Rc4 56.Rh4 Ke6 57.Rf4 Rc2 (57...Kd6?! 58.Rc4 b5 59.Rc8=) 58.Kd1 (58.Ke3 Rc3 59.Ke2 b5-+) 58...Kd6 59.Rf6 Ke7 (better 59...Kc5 60.Rg6 Rf2-+) 60.Rb6?? (better 60.Rg6 Rb2 61.Kc1-+) 60...Rg2-+ 61.Ra6 a4! 62.Kc1 (62.Ra4 Bc2 Double attack (62...Bc2 Decoy)) 62...Bc2 (62...Be8 63.Ra5-+) 63.Ra7 ½-½. Arjun,C Krishnamachari (2170) - Thrish,Karthik (2075), 26th Abu Dhabi Masters, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Qc7)

    9.Bd3 Nh6 10.0-0 0-0 11.Qc2 (11.Bh6 gh6 12.Qd2 Kg7+=) 11...f5 (11...Nf5 12.g4 Nh6 13.Bh7 Kh8 14.Bh6 gh6 15.Bd3=) 12.ef6 (12.Bh6 gh6 13.Qd2 Kg7=) 12...Bf6 (12...Rf6 13.Bh7 Kh8 14.Re1=) 13.Bh7 Kh8 14.Ba3 Rd8 15.Nbd2 (15.Re1 e5 16.de5 Ne5=) 15...e5 16.de5 Ne5 17.Ne5 (17.Nd4 Nhg4 18.Nb5 Qf7=) 17...Be5=+ 18.Nf3 Bf6 (18...Ng4 19.h3 Qc3=+) 19.Rac1 (19.Bb2 b5=) 19...Bg4 (19...Qc3 20.Qa2 Qa5-/+ (20...Kh7?? 21.Rc3 Bc3 22.Qc2 Kg8 23.Qc3+-)) 20.Nd4= Rac8 (20...Qa5 21.Bb4 Qb6 22.Rb1=) 21.h3 (21.Qd3 Qc4=) 21...Bd7 (21...Qc3 22.Qc3 Rc3 23.Rc3 Bd4 24.Rc7 Kh7 25.hg4 Ng4 26.Rb7=) 22.Qd3 (22.Bg6 Qb6 23.Qb1 Qb1 24.Bb1 a5=+) 22...b5 (22...Qa5 23.Bb4 Qb6+=) 23.Bg6= Qb6 24.Rb1 Will b5 fall? (24.Bb2 Be8 25.Be8 Re8=) 24...Rc4 25.Qg3 (25.Ne2 Be8=) 25...Rdc8 (25...a6 26.Ne2=) 26.Rb3 (26.Bb2 Qc7 27.Qe3 Qb6=) 26...a6 (26...a5 27.Bb1 Bd4 28.cd4=+) 27.Bb1 Be8 (27...Bd4!? 28.cd4 Nf5 (28...Qd4?? 29.Bb2 Nf5 30.Bf5 Qb2 31.Rb2 Bf5 32.Qe5+-) 29.Bf5 Bf5=) 28.Re1 Bf7 29.Qd3 (29.Bb2 Qb8 30.Qd3 Bg8+=) 29...Bg8 30.Re6 (better 30.Bb2!?+=) 30...Rd4=+ 31.Rb6 Rd3 32.Bd3 d4 33.c4? (better 33.Rb1 Rc3 34.Bc1 Rd3 35.Bh6-/+) 33...bc4-+ 34.Rb8 (34.Rb1 cd3 35.Ra6 d2 36.Rf6 gf6-+) 34...Rb8 (34...cb3 35.Rc8 a5 36.Ra8+-) 35.Rb8 cd3 36.Kf1 (36.Bc1 Kh7-+) 36...Kh7 37.Ke1 Bc4 (37...Bd5 38.g3-+) 38.Rb4 (38.g4 Nf7 39.f4 Bh4 40.Kd1 Bg3-+) 38...Bb5 39.Bb2 (39.Bc1 Nf5 40.Bd2 Be7-+) 39...Nf5 40.g3 (40.Kd1 Bc6-+) 40...Bd8 (40...Bg5 41.h4 Bd8 42.Rb5 ab5 43.Kd2-+) 41.Bd4 (41.Rb5 ab5 42.Kd2 Ne7-+) 41...Ba5 (41...Nd4?! 42.Rd4 Bf6 43.Rd5-+) 42.Bc3 Bb4 43.Bb4 Nd4 44.Kd2 (44.Kd1 Nf3-+) 44...Nc6 (better 44...a5!? 45.Bc3 Nb3 46.Ke1-+) 45.Bc5 a5 46.Bb6 (46.f4 a4 47.g4 Na5-+) 46...a4 47.Bc5 Na5 48.Bb4 Nc6 (better 48...Nb3 49.Kc3-+) 49.Bc5 Kg6 (49...Ne5 50.Kc3 Nf3 51.Be3-+) 50.f4 (50.Ke3 Na5 51.Bb4 Nb3-+) 50...Na5 51.Bb4 Nb3 52.Kc3 Kf5 53.Kb2 Ke4 54.h4 (54.f5 d2 55.Bd2 Nd2-+) 54...Bd7 (54...d2 55.Bd2 Nd2 56.Ka3-+) 55.Bc3 (55.f5 Bf5 56.Ka3 Bd7-+) 55...g6 (55...d2 56.Bd2 Nd2 57.Ka3-+) 56.Bb4 Ke3 0–1. Franck,Boris (2085) – Ferry,Roger (2060), Belfort FRA, Men Ch Open A, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd3 Nh6 10.0-0 Nf5=+ 11.Na3 Qd8 12.Nb5 0-0 13.Ba3 f6=.

    9.Bd3 Nh6 10.0-0 Nf5=+ 11.Na3 Qd8 12.Nb5 0-0 13.g4 Nh4=+ 14.Nh4 Bh4 15.f4 Be7 16.g5 g6 (16...a6 17.Ba3=+) 17.Ba3= Ba3 18.Ra3 a6 19.Nd6 Ne7 (19...Qc7 20.Qf3=) 20.Qg4 (20.Qb3 Nf5 21.Nb7 Bb7 22.Qb7 a5+=) 20...Nf5 21.Bf5 ef5 (21...gf5!? 22.Qf3 Ra7=) 22.Qg2+- Be6 23.Nb7 Qb6 (23...Qc7 24.Nd6+-) 24.Nc5 Rfc8 25.Rb3 (25.Rfa1 Rc5 26.dc5 Qc5 27.Qf2 Qc4+-) 25...Qc6 (25...Qd8 26.Ra1+-) 26.Rfb1 a5 27.Rb7 (27.Qa2 Rc7+-) 27...Rc7 28.R7b6 Qe8 29.Qb2 a4 30.Qa3 Rcc8 (30...Bd7!?+=) 31.R1b4+- Bd7 32.Rd6 (better 32.Nd7!? Qd7 33.Rd6+-) 32...Bc6+= 33.Rb6 Rab8 34.Rb4 Rb4 (34...Ra8!?=) 35.cb4+= Kg7 36.Rf6 Bd7? (36...Kg8 37.Kg2+=) 37.Ra6 (better 37.Nb7!?+-) 37...Bb5 38.Ra5 (38.Ra7 Qc6+-) 38...Qc6 39.Qe3 (worse 39.Na4 Qc2 40.Qa1 Ba4-/+) 39...Re8 (better 39...Kg8!?+-) 40.e6!+- Kf8?? (40...fe6 41.Qe5 Combination) 41.Qe5 Re6 42.Qb8 (better 42.Qh8 Ke7 43.Ra7 Qd7 44.Nd7 Bd7+-) 42...Qe8?? (42...Re8 43.Qb5 Qb5 44.Rb5+-) 43.Qe8 (better 43.Ne6 fe6 44.Rb5 Qb8 45.Rb8 Ke7 46.b5+-) 43...Re8 (43...Ke8?? 44.Ne6 fe6 45.Rb5+-) 44.Rb5 Ra8 45.Ra5 (45.Ra5 Re8 46.Ra4+-) 1–0. Castella Garcia,Fausto (2330) – Castro Exposito,C (2060), VILLA DE MISLATA – A, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qc7 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 Nh6 10.0-0 Nf5=+ 11.g4 Nh4 (11...Nh6!? 12.Bh6 gh6=+) 12.Nh4= Bh4 13.Na3 (13.g5 h5 14.Qf3 Qe7+-) 13...a6 (better 13...Be7!?=+) 14.Nb5+= Qd8 (better 14...Qe7+=) 15.Nd6 Kf8 16.g5! h5 (16...Bg5 17.Qh5 Double attack (17.Qh5 Decoy)) 17.g6 Qc7 (17...Ke7 18.Nf7 Qg8+-) 18.Nf7 (18.gf7?! Be7 19.Ba3 Bd7+-) 18...Rg8 19.Qf3 (better 19.Qh5 Be7 20.Qh7+-) 19...Ke8 20.Qh5 Be7 21.Qh7 Rf8 22.Qg7 Nd4 (22...b5+-) 23.cd4 Qc3 (23...Rb8 24.Qh7 Kd7 25.Ba3 Ba3 26.Ra3+-) 24.Ba3! Qd4 (24...Ba3 25.Nd6 Double attack) 25.Nh6 Ba3 26.Ra3 Bd7 27.h3 (27.Qh7 Qb4 28.Ra2 Qf4+-) 27...Rc8 (27...Qb4 28.Nf7 Qe7 29.Nd6 Kd8 30.Nb7 Ke8 31.Nd6 Kd8 32.Nf7 Ke8 33.Rfa1+-) 28.Nf7 Rc6 (28...Qf4 29.Nd6 Kd8 30.Nb7 Ke8 31.Ra6 Qg5 32.Kh2 Qe7 33.Nd6 Kd8 34.Nf7 Ke8+-) 29.Qf6 Rf7 (29...Qb6 30.g7 Qf2 31.Kf2 Rc2 32.Bc2 Rf7 33.g8Q Rf8 34.Qgf8) 30.gf7 Kf8 31.Qd8 (31.Qh6 Kf7 32.Bg6 Ke7 33.Qg5 Kf8 34.Qf6 Kg8 35.Qf7 Kh8 36.Qh7) 31...Kf7 32.Qd7 (32.Bg6 Kg6 33.Rg3 Kf5 34.Qg5 Ke4 35.Re1 Qe3 36.Qe3 Kf5 37.Qf3) 32...Kf8 33.Qd8 Kf7 34.Qf6 (34.Bg6! Kg6 35.Rg3 Kf5 36.Qg5 Ke4 37.Re1 Qe3 38.Qe3 Kf5 39.Qf3) 34...Ke8+- 35.Bb5 (35.Bb5 Qb4 36.Ra6 Qe7 37.Bc6 bc6 38.Ra8 Kd7 39.Ra7 Kc8 40.Qe7 c5 41.Qf8) 1–0. Visser,PR – De Jager,Leo, Soest op, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd3 Nh6 10.Bh6 gh6 11.Na3 f5=.

    9.Ng1 f6 10.Bf4 fe5 11.Qh5 g6 12.Be5 Ne5 (12...gh5?! 13.Bc7 Bd8 14.Bd8 Kd8 15.Be2=) 13.Qe5 Qe5 14.de5 Nh6 -/+.

    9.Bd3 f6

    10.0-0 fe5 11.de5 (11.Ne5 Nf6=+) 11...Ne5-/+ 12.Ne5 Qe5 13.Bb5 Kf8 14.f4 (14.Re1 Qc7-/+) 14...Qc7 15.Na3 Nf6 16.Bd3 Qc3 17.Ra2 Bd7 18.Bb2 Qb4 19.Qe2 Kf7 20.Nc2 Qb6 21.Kh1 a6 22.Be5 Qc5 23.Nd4 Rhe8 24.Rc2 Qb6 25.Rc7 Bd6 (25...Rec8 26.Rd7 Kf8 27.Bf6 Bf6 28.Ne6 Ke8+-) 26.Bf6?? (better 26.Bd6 Qd6 27.Qe5=+) 26...Bc7 (better 26...Qc7 27.Be5 g6-+) 27.Bg7?? (27.Be5 g6 28.Rb1-+) 27...Kg7 28.Qg4 White intends f5 28...Kf8 29.f5 e5 30.Ne6 Ke7 31.Rc1 (31.Nc7 Qc7 32.Qh4 Kd6 33.Qh6 Be6-+) 31...Be6 32.fe6 Qe6 (better 32...Kd6 33.Rd1 Qd4-+) 33.Qg7+- (33.Qg7 Qf7 34.Rc7 Ke6 35.Qf7 Kd6 36.Qd7) 1–0. Lahti,Jouko – Haapamaeki,Marko, Kuopio We KSY, 1987. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Qc7 9.Bd3 f6)

    10.Qe2 Bd7 11.0-0 Na5 12.Bf4 f5 13.Bf5 (13.Nfd2 Kd8 14.Be3 g5=) 13...Nb3=+ (13...ef5 14.e6 Qf4 15.ed7 Kd7 16.Qb5 Kd6 17.Ra5+-) 14.Ng5? (better 14.Ra2 ef5 15.e6 Qf4 16.ed7 Kd7 17.Qb5 Kc7 18.Qb3+=) 14...Bg5-+ (14...Na1 15.Qh5 Kd8 16.Nf7 Kc8 17.Bh3=+; 14...ef5?! 15.e6 Qf4 16.ed7 Kd7 17.Qb5 Kc8 18.Nh3=+) 15.Qh5 (15.Bg5 ef5 16.Ra3-+) 15...Kf8 16.Bg5 ef5 (better 16...Na1!? 17.Bd3 Ba4-+) 17.Ra3 Na5 18.e6? (better 18.Nd2-+) 18...Be6 19.Re1 Nc4 20.Ra2 Qf7 21.Qd1 (21.Qe2 Bd7-+) 21...f4 (21...Nf6 22.Rae2 Ne4 23.Bf4-+) 22.Qf3 (22.Qb3 Nf6 23.Bf4 Kg8-+) 22...h6 23.Bf4 g5 24.Re6 Qe6 (24...Qf4!? 25.Qd1-+) 25.Be5 Nf6! 26.Re2? (26.Bf6 Qe1 Mate attack; 26.Qf6 Qf6 Combination) 26...Kg7 27.h4 Rae8 28.h5 (28.Nd2 Ne5 29.Re5 g4-+) 28...Ne5 29.Re5 (29.de5 Ng4 30.Rd2 Rhf8 31.Qd5 Qd5 32.Rd5 Rf2-+) 29...Qg4 30.Qd3 Qh5 31.Qb5 (31.f3 Qh4 32.Qe2 Rhf8-+) 31...Qf7 (better 31...Qd1 32.Qf1 Qf1 33.Kf1 Re5 34.de5-+) 32.Nd2 Re5 33.de5 Ne4 (33...Ng4 34.Qc5-+) 34.Nf3 (34.Ne4 de4 35.e6 Qc7-+) 34...g4 35.e6 Qe6 (35...gf3 36.ef7 Nf6 37.Qb7+-; 35...Nc3 A) 36.ef7?? Nb5 (36...gf3 37.Qd3 Ne4 38.Qd5+-) 37.Ne5 a5-+; B) 36.Qb2 Qc7 37.Nd4-+) 36.Qb7 Qf7 37.Qb2 (37.Qf7 Kf7 38.Ne5 Ke6 39.Ng4-+) 37...gf3 38.c4 Kh7 39.gf3 Rg8 40.Kf1 Qf3 (40...Qf3 41.Qc2 Qg2 42.Ke1 Qg1 43.Ke2 Qf2 44.Kd3 Rg3) 0–1. Scharl,Walter (2005) – Weinberger,Wolfgang (2010), Regionalliga SW9798, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    10.Qe2 Bd7 11.0-0 a6 12.g4 (better 12.Bf4!? Bf8 13.Nbd2=) 12...fe5-/+ 13.de5 Bc5 14.h4 (14.Ba3 Ba3 15.Na3 Rd8-/+) 14...Nge7 15.h5 0-0 16.Na3 (16.Be3 Be3 17.Qe3 b5-/+) 16...Rf3 17.Qf3 Ne5 18.Qh3 Nd3 19.Qd3 e5 20.Qg3 Rf8 21.Nc2? (better 21.h6-+) 21...Bb5 22.Be3 Bf1 23.Rf1 (23.Bc5 Qc5 24.Rf1 d4-+) 23...Bd6 24.Bd2 d4! 25.Qh3 (25.cd4 Qc2 Pinning (25...Qc2 Deflection)) 25...dc3 26.Bc1 Nd5 27.g5 (27.h6 b5-+) 27...Qf7 28.Qg4 White intends g6 (28.h6 gh6 29.Qh6 Bc5-+) 28...Bc5 29.g6 (29.h6 gh6 30.gh6 Kh8-+) 29...hg6 30.hg6 Qf5 31.Qf5 Rf5 32.Rd1 Nf4 (32...e4 33.Be3 Ne3 34.fe3 Rg5 35.Kf1 Rg6 36.Rd5-+) 33.Bf4 (33.Be3 Be3 34.fe3 Ng6-+) 33...Rf4 (worse 33...ef4 34.Rd8 Rf8 35.Rd3-+) 34.Rd5 b6 (34...Bb6 35.Re5 Rf2 36.Kh1-+) 35.Re5 Rf2 (better 35...Bf2 36.Kg2 Kf8-+) 36.Rc5-/+ bc5 37.Kf2 Kf8 38.Ke2 Ke7 39.Kd3 Kf6 40.Kc3 Kg6 41.Kc4 Kf5 42.Kc5 Ke4 43.Ne1 g5 44.Kb6 Ke3 45.Ka6 Ke2 46.Nc2 Kd2 (46...Kd3 47.Ne1 Ke4=+) 47.Nd4=+ g4 48.Nf5 Ke2 49.Ng3 Kf3 50.Nh5 Kg2 51.Nf6 g3 52.Ne4 Kf3 53.Ng3 ½–½. Volkmer,Andreas (2220) – Puhlmann,Rainer, Oberliga Nord O9899, 1999.

    10.Qe2 Bd7 11.0-0 fe5!? 12.de5 Nh6 13.Bh6 gh6=.

    10.Qe2 Bd7 11.0-0 f5 12.Na3+- Ba3 (12...Nh6 13.Nb5 Qb8 14.Nd6 Bd6 15.ed6 Qd6 16.Re1+-) 13.Ba3 Nge7 14.Bd6 Qd8 15.Rfb1 Nc8? (15...b6 16.Ba6+-) 16.Ba3?? (16.Rb7 Nd6 17.ed6 0-0+-) 16...g6? (16...Nb6 17.Bc5+-) 17.g4?? (17.Rb7 Na5 18.Rbb1 Nb6+-) 17...Kf7? (17...Nb6!?+-) 18.gf5 (18.Qe3!? h6+-) 18...gf5 19.Rb7 Nb6 20.Bc5 (20.Bd6!? Rg8 21.Kh1 Rg6+-) 20...Rg8 21.Kh1 Qc8 22.Nh4 (better 22.Bd6 Rg7 23.Ba6+-) 22...Rg4?? (better 22...Kg7 23.Ba6 Kh8+-) 23.Nf5 ef5 24.Bf5 Qb7 (24...Rg5 25.Qf3 Ne5 (25...Qb7 26.Be6 Kg6 27.Qf6 Kh5 28.Bf7 Rg6 29.h4 Kh6 30.Ba3 Na5 31.Bc1 Kh5 32.Qg5; 25...Rf5?? 26.Qf5 Kg7 27.Rg1 Kh6 28.Qg5) 26.de5 Kg8 (26...Rf5 27.Qf5 Kg7 28.Rg1 Kh6 29.Be3) 27.Bd7 Qb7+-) 25.Qg4 Ne5 26.Qf4 (26.Qh5 Ng6 27.Qh7 Ke8 28.Qg8 Nf8 29.Qf8) 26...Ng6 (26...Qc6 27.Bd7 Qf6 28.Qf6 Kf6 29.de5 Ke5 30.Bb6 h6+-) 27.Bg6 Kg7 28.Qf7 Kh6 29.Qh7 Kg5 30.Be7 Kf4 31.Qf7 (31.Qf7 Kg4 32.Rg1 Kh3 33.Qf3) 1–0. Devallee,Jeremie (2165) – Baillargeant,Tony (1930), Avoine FRA, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qc7 7.ab4 Bb4 8.c3 Be7 9.Bd3 f6)

    10.Qe2 fe5 11.de5 Nh6 12.Bh6 gh6 13.0-0 0-0 (13...Bc5 14.Nbd2=+) 14.Ra4 (14.Qe3 Rf7=) 14...Rf7 (14...Bd7 15.Rg4 Kh8 16.Qe3=+) 15.Qe3 Bf8 (15...Bd7 16.Re1=+) 16.Na3= Bd7 17.Nb5 The pressure on a7 grows 17...Qb8 18.h3 (18.Rb1!?=) 18...Bg7=+ e5 becomes the focus of attention 19.Rg4 Kh8 20.Re1 (20.Nd6 Rf8+=) 20...Be8 (20...Rf3 21.gf3 Qe5 22.f4 Qe3 23.fe3=+) 21.Nbd4 Qc8 22.Bb1 Na5 (better 22...Qd7=) 23.Qd3+- Bf8 24.Nh4 (better 24.Rf4! Qd7 25.Rf7 Qf7 26.Ne6+-) 24...Rc7 25.Qf3 Rf7 26.Qd3 (26.Qg3!? Bg7 27.Qd3 Be5 28.Re5+-) 26...Rc7 (26...Bd7 27.Ng6 hg6 28.Qg6 Rg7 29.Qh6 Kg8 30.Qh7 Kf7 31.Bg6 Ke7 32.Qh4) 27.Re3 (27.Rf4 Bc5 28.Qf3 Bg6 29.Bg6 Bd4+-) 27...h5 (better 27...Bh5!? 28.Rf4 Bc5=) 28.Rf3+- Bh6? (28...Bc5 29.Rgf4 Kg8+-) 29.Rgg3 (29.Rg7 Bg6 30.Ng6 hg6 31.Qg6 Rg7 32.Qh6 Kg8 33.Bh7 Kh8 34.Bg6 Kg8 35.Bf7 Kf8 36.Be6 Ke8 37.Qg7 Qe6 38.Rf8 mate) 29...Nc4 30.Rf6 Ne5 31.Qe2 (31.Qe2 Ng6 A) 32.Ng6?! Bg6 33.Bg6 Bg7 34.Re6 h4+-; B) 32.Re6?! Bf4 (32...Nh4 33.Rh6 Ng6 34.Bg6 Bg6 35.Rgg6 Qb8 36.Qe5 Rg7 37.Qg7) 33.Bg6 hg6 34.Rgg6 Rh7+-; C) 32.Qe6?! Rc3 33.Rfg6 Rc1 (worse 33...Bg6 34.Ng6 hg6 35.Qg6 Rc1 36.Kh2 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6; worse 33...hg6 34.Ng6 Bg6 35.Qg6 Rc1 36.Kh2 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6) 34.Kh2 Qe6 (34...Bg6 35.Ng6 hg6 36.Qg6 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6; 34...hg6 35.Ng6 Bg6 36.Qg6 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6; 34...Rb1?? 35.Rg8) 35.Re6 Bf4+=; D) 32.Ne6?! Re7 33.Bg6 Bg7+-; E) 32.Qh5+-) 1–0. Nyholm,J – Maus,Siegfried (2335), Lyngby op, 1988. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7 9.Bd3 f6)

    10.Qe2 fe5 11.Ne5 Ne5 12.de5=+.

    10.Qe2 Nh6 11.0-0 (11.ef6 Bf6 12.Bh6 gh6=) 11...Nf7=+ 12.Re1 (12.ef6 gf6 13.c4 dc4 14.Bc4 Qd7=) 12...a6 (12...fe5 13.de5 g5 14.h3=+) 13.Nbd2 (13.ef6 gf6 14.c4 Nb4 15.cd5 Nd5= (worse 15...Nd3 16.Qd3 Nd8 17.de6+-)) 13...Rb8 (13...fe5 14.de5 g5 15.Bb5-/+) 14.Nb3 (14.ef6 gf6 15.Ba3 Ba3 16.Ra3 Qf4=) 14...f5 (14...fe5 15.de5 g5 16.h3-/+) 15.h3 (15.Ba3 Ba3 16.Ra3 0-0=) 15...h6 (15...g5 16.Ba3=+) 16.Nh2 (16.Ba3 g5=) 16...g6 (16...b5 17.Ba3=+) 17.g4 (17.Ba3=) 17...Nce5?? (better 17...h5-/+) 18.de5+= Qc3 19.Rb1 (19.Bd2 Qc7+= (19...Qb3? 20.Reb1 Qb1 21.Rb1+-)) 19...Ng5 (19...h5!?=) 20.Bd2+- Qc7 21.Rec1 Qd8 22.Kg2 Ne4 23.Nd4 Bd7 24.gf5 Nd2 (better 24...ef5 25.e6 Ba4+-) 25.fe6+- 0-0 26.ed7 (26.Qd2 Bg5 27.Qa2 Bb5+-) 26...Nb1 27.Qg4 (27.Bb1?! Qd7 28.Bg6 Bg5+-) 27...Bg5 (27...Kh8 28.Rb1 h5 29.Qe6+- (29.Qg6? Rg8-+)) 28.Bb1 (28.Rb1 Rf7+-) 28...Qb6 (28...Qe7 29.Rc8 Qe5 30.h4+-) 29.Rf1 Rf4 30.Qe6 Qe6 31.Ne6 Rf7? (31...Kf7 32.Nf4 Bf4+-) 32.Ng5 hg5 (32...Rd7 33.Ng4 Re7 34.Nh6 Kg7 35.Ng4+-) 33.e6 Re7 (33...Rd8 34.ef7 Kf7 35.Ng4+-) 34.Rc1 (34.Rc1 Ree8 35.de8R Re8 36.Ba2+-) 1–0. Zakarian,D (2335) – Vourtsas,A (2035), Aegean Open Kirykos GRE, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7 9.Bd3 f6)

    10.Bf4 Qb6 11.Na3 a6 (11...Bd7 12.0-0=) 12.Nb5 fe5 13.Ne5 (worse 13.Be5 Ne5 14.de5 Bd7=+) 13...Nf6? (13...Ne5 14.Be5 Kf8 15.Nc7+-) 14.Ng6! e5 (14...hg6 15.Nc7 Double attack (15.Nd6 Decoy)) 15.Ne5 (15.de5 Ng4 16.Nc7 Qc7 17.Nh8 Nce5+=) 15...Ne5+= 16.Be5 0-0 17.Nc7 Ra7 18.0-0 (18.Qc2 Bd6 19.Bf6 Bc7 20.Bh7 Kh8+=) 18...Qc6 (18...Bd8 19.Bf6 Bc7 20.Be5 Be5 21.de5=) 19.Qb3 Exerts pressure on the isolated pawn 19...Rd8 (19...Bd8!? 20.Nb5 Ra8+=) 20.c4+- dc4 21.Bc4 Kh8 22.Rac1 Qe4?? (better 22...Ng4 23.Be6 Ne5 24.Rc6 Nc6+-) 23.Rfe1 Qg6 24.Bf7 (better 24.Qb6 Bh3 25.Bg3+-) 24...Qf5 25.f3 (better 25.Be6!? Be6 26.Ne6+- (worse 26.Qe6 Qe6 27.Ne6 Rda8+=)) 25...b5+= 26.Qe3 Bb4 27.Re2 h6? (better 27...a5!?+=) 28.d5 Nd7?? (better 28...Rb7+-) 29.Qh6 (29.Qa7 Ne5 30.Ne6 A) 30...Nf7?? 31.Nd8 Nd6 32.Ne6 Be6 33.de6+- (33.Re6?! Qd5 34.Rg6 Qe5+-); B) 30...Nf3 31.Kh1 Be6 32.Be6 Qf4=+) 29...Qh7 30.Bg7 1–0. Christensen,Bo Garner (2285) – Almer,Julia (1945), Fynsmesterskabet, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7 9.Bd3 f6)

    10.Nh4? fe5-/+ 11.Qh5 Kd8 12.Ng6 Nf6 (12...hg6?? 13.Qh8 ed4 14.Qg8 Kd7 15.0-0+- (worse 15.Bg6 Qe5 16.Kd1 dc3+-)) 13.Qh3 Re8 14.Ne7 Ne7 15.de5 Qe5 16.Be3 Nf5 17.Bf5 Qf5 18.Qg3 e5 19.0-0 Qg4 20.Bb6 Kd7 21.Qe3 Qe6 (21...a6 22.Re1-+) 22.Bc5 (better 22.Ra7!? Ra7 23.Ba7-/+) 22...b6-+ 23.Bb4 Bb7 24.Nd2 Qg4 25.Ra7 Ra7 26.Qb6 Rea8 (better 26...Ra2!? 27.Qb7 Ke6-/+) 27.Qd6= Kc8 28.Qf8 Kc7 29.Qd6 ½–½. Wiesgickl,Gerhard – Hladik,Martin, Oberpfalz–ch M2, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qc7 7.ab4 Bb4 8.c3 Be7 9.Bd3 f6)

    10.Bf4 f5

    11.Nbd2 Bd7 12.0-0 h6 13.Nh4 0-0-0 (better 13...g5!? 14.Ng6 Rh7=) 14.Ng6+- Rh7 15.Nb3 b6 16.Qb1 Be8? (16...Re8 17.c4 dc4 18.Bc4+-) 17.Ne7?? (better 17.Bf5 ef5 18.Qf5 Kb7 19.Ne7+-) 17...Nge7+= 18.Rc1 Kd7 19.Bb5 Rc8 20.c4 Kd8 21.c5 g5 22.cb6 (better 22.Bd2!?+=) 22...Qb6=+ 23.Bd2 Bd7 (better 23...Qb5!? 24.Nc5 Qb1 25.Ne6 Kd7 26.Nf8 Kd8 27.Ne6 Kd7 28.Nf8 Kd8 29.Ne6=) 24.Nc5+- Rb8 (24...Nd4 25.Ba5 Bb5 26.Bb6 ab6 27.Ne6 Ne6 28.Qb5 Rc1 29.Rc1+-) 25.Bc6 Nc6 26.Qc2 ½–½. Schierwater,Bernd – Zimmermann,Dirk (2085), Marianske Lazne op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Qc7 6.Nf3 Nc6 7.d4 Bb4 8.c3 Be7 9.Bd3 f6)

    11.g4 g6 12.Na3 (12.gf5 ef5 13.h4 Qd8=) 12...Ba3 (12...fg4 13.Ng5=+) 13.Ra3=+ h6 (13...fg4 14.Nd2=+) 14.gf5 (14.g5 hg5 15.Bg5 Bd7=) 14...gf5 (14...g5 15.Be3 ef5 16.c4 dc4 17.Bc4=+) 15.Nd2 (15.Rg1 Bd7+=) 15...Qf7 (15...Nf6 16.Rg1=) 16.Be2 Qf8 17.Ra1 Nge7 18.Bh5 Kd8 19.Qc1 Bd7 20.Qa3 (20.Rg1 Be8 21.Be2 Ng6=) 20...Qg7 21.Ke2 Ng6 22.Bg6 Qg6 23.Rhg1 Qf7 24.Rg3 Ne7 25.Rag1 Rh7 26.Rb1 (26.c4 a5=) 26...Bc6 27.Ke3 Nc8 (27...Rh8 28.Nb3 b6 29.Rbg1=+) 28.Rbg1= Ne7 29.Nb3 b6 30.Qd6 Bd7 31.Kd2 Rc8 32.Nc1 Ke8 33.Nd3 (33.Bh6 Rc6 34.Qa3 Rh6+-) 33...Bb5 34.Nb4 a5?? (better 34...h5=+) 35.Qb6+- ab4 (35...Bc4 36.Qa5 Qh5 37.Qa4 Kf7 38.Qd1 Qd1 39.Kd1+-) 36.Qb5+- Kd8 37.Qb4 (worse 37.cb4 Rc4 38.Qb6 Ke8 39.Qb8 Kd7+-) 37...Rc6 38.Ra1 Nc8 39.Qb5 Qc7 (better 39...Rb6 40.Qa5 Qc7+-) 40.Rg8 Kd7 41.Rag1 (better 41.Ra6 Nb6 42.Bh6+-) 41...Ne7?? (41...Qb6 42.R1g7 Rg7 43.Rg7 Ke8 44.Qb6 Rb6 45.Bh6 Rb2 46.Ke1 Rb1 47.Ke2 Rb2 48.Bd2+-) 42.R8g7 (better 42.Rb8+-) 42...Rg7 43.Rg7 Qb6 44.Qb6 Rb6 45.Bh6 Ke8 46.Bg5 Nc6 47.Rc7 Na5 48.h4 1–0. Termeulen,A (2155) – Van Bever,R (1880), Open Geraardsbergen BEL, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Qc7 9.Bd3 f6)

    11.h4 Bd7 12.g4 fg4 13.Ng5 Nh6 14.Nh7 0-0-0 15.Bh6 gh6 16.Qg4 Rhg8 17.Qf4 h5 18.Nd2 Rg4 The isolani on h4 becomes a target 19.Qf7 Ne5 20.de5 Qe5 (20...Qc3 21.Ra7 Bb4 22.Ra8 Kc7-+) 21.Kd1+= Bh4 22.Nf3 Qf4? (better 22...Qc7 23.Qh5 Ra4 24.Ra4 Ba4 25.Ke2 Be7+-) 23.Qf4+- Rf4 24.Nh4 (24.Rh4?! Rf3 25.Ke2 Rf7 26.Rh5 a6+-) 24...Rf2 25.Rf1 (better 25.Ke1!? Rb2+-) 25...Rf1 26.Bf1 a6 27.Be2 Rg8 28.Kd2 e5 29.Nf6 Rh8 30.Nd5 Bg4 31.Ng6 Rd8 32.Nge7 (32.c4 Be6 33.Bh5 Bd5 34.Ne7 Kc7 35.Nd5 Kd6+-) 32...Kb8 (32...Kd7 33.Rb1 Ke6 34.c4 Be2 35.Ke2+-) 33.Bg4 hg4 34.Rg1 Rh8 35.Rg4 Rf8 36.Ke3 b5 (36...Rh8+-) 37.Rg7 (37.Rg7 Rc8 38.Nc8 Kc8 39.Ra7+-) 1–0. Parpinel,Marco (2095) – Proietti,Giorgio (1880), Rome Accademia op, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Qc7 7.ab4 Bb4 8.c3 Be7 9.Bd3 f6)

    11.h4 Bd7=+ 12.Ng5 Nd8 13.Qh5 g6 14.Qe2 h6 15.Nh3 Nf7 16.g4 g5 17.gf5 gf4 18.fe6 Be6 19.Nf4 Qc8 20.Qh5 Bg4 (20...Bf8!? 21.Ne6 Qe6=) 21.Qg6+= Bb4 Attacks the backward pawn on c3 22.Nd5 Ne7 (better 22...Be7 23.Ne3 Be6+-) 23.Qg4?? (better 23.Nf6 Kf8 24.Qg4 Bc3 25.Nc3 Qc3 26.Ke2+-) 23...Nd5=+ The pressure on the backward pawn c3 grows (23...Qg4?? 24.Nf6 Kf8 25.Ng4+-) 24.e6 Bc3 25.Kd1?? (25.Nc3 Qc3 26.Ke2 Qb2 27.Kf3 Ng5 28.hg5 Rf8 29.Ke4 Nc3 30.Ke5-+) 25...Ke7 (better 25...Ba1 26.Qf3 Ne5 (26...Bd4?! 27.ef7 Kf8 28.Qd5-+; 26...Qe6?! 27.Re1 Qe1 28.Ke1-+) 27.de5 Qe6 (27...Be5 28.Qd5 Qc7 29.Re1+-) 28.Bb5 Kd8-+) 26.Ra2= Rg8 (26...Qe6 27.Re2 Qe2 28.Qe2 (28.Be2?! Nf6 29.Qg2 Bd4+-; 28.Ke2 Nf6 29.Qf4 Bb4+-) 28...Kd6 29.Bc4 Bd4 30.Qe4 Nc3 31.Nc3 Bc3 32.Bf7+-) 27.Qh5 Qc6 (27...Ne5 28.Qe5 A) 28...Qe6?? 29.Re2 Qe5 30.Re5 (worse 30.de5 Rad8 31.Kc2 Bd4-/+) 30...Kd6 31.Be4+- (31.Nc3?! Nc3 32.Kd2 Na4+-); B) 28...Nb4 29.Nc3 Qc3=) 28.ef7 Ne3? (28...Rgc8 29.Re2 Kd7 30.Bf5 Kc7 31.Bc8 Rc8+-) 29.Ke2 Ng2 (29...Rg7 30.Qe5 Kf7+-) 30.fg8N (30.fg8Q Rg8 31.Qe5 Kd8 32.Ra7 Nf4 33.Qf4 Re8 34.Kd1 Qh1 35.Kc2 Qc6 36.Qb8 Ke7 37.Rb7 Qb7 38.Qb7 Kf8+-) 30...Rg8 31.Qe5 Kf7 (31...Kd8 32.Ra7 Nf4 33.Qf4 Re8 34.Kd1 Qh1 35.Kc2+-) 32.Qf5 Ke8 (32...Ke7 33.Nc3 a6+-) 33.Bb5 Nf4 34.Kd1 (34.Kd1 Bd4 35.Bc6 bc6 36.Qf4 Rg7 37.Re1 Be5 38.Qe5 Kd7 39.Ra7 Kd8 40.Qe8) 1–0. Tomeo,Ivan – Amed,S (2105), ch–ARG s/f Buenos Aires ARG, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Qc7)

    11.h4 Nh6 12.Ng5 (12.Bh6 gh6 13.Qd2 Bf8=) 12...Nd8 (12...0-0 13.0-0-/+) 13.Qh5=+ Ndf7 14.Bb5 Kf8 15.0-0 Kg8 16.c4 g6 (16...dc4 17.Ra4=+) 17.Qf3 Qb6 (17...dc4 18.Ra4=) 18.Nc3 dc4 (worse 18...Qd4 19.Rfd1 Qc5 20.cd5+=) 19.d5 (better 19.Rfd1!?=) 19...Bg5=+ 20.hg5 Ng4 21.Rfe1 ed5 22.Nd5 Qb5 23.e6 (better 23.Nc7 Qc5 24.Na8=) 23...Nd8?? (better 23...Be6 24.Nc7 Bd5-/+) 24.Nc7+- Qc5 (24...Qb2 A) 25.Na8 Ne6 26.g3 Kg7=+ (26...Nf4 27.gf4 Qf2 28.Qf2 Nf2 29.Kf2+-); B) 25.e7 Kf7 26.ed8N (26.Na8?! Ne6 27.Be3 Qe5=) 26...Rd8 27.Na8+-) 25.e7 (25.Na8 Ne6 (25...Be6 26.Rad1 Kf7 27.Nc7+-) 26.Rad1 Kf7=+) 25...Bd7?! (25...Kf7 26.ed8Q (26.Na8 Ne6=+) 26...Rd8 27.Na8+-) 26.Na8 (26.e8Q Be8 27.Re8 Kg7 28.Rd8 Rhd8 29.Ne6 Kg8 30.Nc5 Rac8 31.Nb7 Rd3+-) 26...Kf7 27.Rad1 Bc6 28.Qe2 (28.ed8Q Rd8 29.Rd8 Bf3 30.Rd7 Kf8 31.Bd6 Qd6 32.Rd6 Bc6+-; 28.ed8N Rd8 29.Rd8 Bf3 30.Rd7 Kf8 31.Bd6 Qd6 32.Rd6 Bc6+-) 28...Ne6 (28...Qf2 29.Qf2 Nf2 30.ed8N Rd8 31.Rd8 Nd3+-) 29.Qe6 Kg7 30.Be5 Ne5 31.Qf6 Kg8 32.Qf8 1–0. Jossien,R (2235) – Pytel,B (2005), 6th Open La Fere FRA, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Qc7)

    8.d4 Bd7

    9.Ba3 a6 10.Bd3 Rc8 11.0-0 Ba3 12.Na3= b5 13.Nc2 Qb6 14.Ng5 Nd8 (14...Na5 15.Nh7 Rc3 16.Qd2=) 15.Bh7 (15.Ra3 h6 16.Qh5 Ne7=) 15...Rc3 16.Qd2 Rc8 17.Ne3 (17.Bd3 Nc6=) 17...Ne7 18.Ng4 (18.Bc2!?=+) 18...Rc4-/+ 19.Rfd1 Nec6 20.Bd3 Rd4 21.Qe3 Qb7 (21...Qa7 22.h3-/+) 22.h3 a5 (better 22...Rb4!?-/+) 23.Nf3= Rb4 24.Qg5 Kf8 25.Ra5 Qb8 26.Qd2 (26.Ra2 Rb3=) 26...Rb3 (26...Rg4!? 27.Rb5 Ne5 28.Rb8 Nf3 29.Kh1 Nd2 30.Rd8 Be8 31.Rd2 Ke7-/+) 27.Raa1 b4 28.Rdc1 Rh5 Pawn e5, live or die! 29.Be2 Qb6 30.Ra6 Qb7 31.Nd4 Ra3 32.Ra3 (better 32.Nc6!? Nc6 33.Rcc6 Bc6 34.Rc6 Ra1 35.Rc1 Rc1 36.Qc1+-) 32...ba3= 33.Nb5 Rh8 (33...Qb6!?=) 34.Na3 (34.Ra1 Qb8 35.Ra3 Nb7+- (35...Ne5? 36.Ne5 Qe5 37.Qb4 Kg8 38.Qe7+-)) 34...Qb8 (34...Qb4 35.Qe3+=) 35.Rb1+- Qa7 36.Nb5 Qb6 (36...Qa5 37.Qd1+-) 37.Bd3 Qc5 38.Qb2 (38.Qf4 Nb7+-) 38...Rh5 39.Rc1 Qb6 (39...Qe7 40.Be2+-) 40.Qa3+- Kg8 41.Qd6 Be8 42.Rb1 Nb7 (42...Qa6!?+-) 43.Qc7+- Qc7 44.Nc7 Nc5 45.Be2 (better 45.Bb5 Ne5 46.Ne8 Ng4 47.hg4+-) 45...Bd7+= 46.Nf6 gf6 47.Bh5 fe5 48.Nb5 e4 (48...Kf8 49.h4+=) 49.Nd6+- f5 50.Be8 (50.Rb5!? Nd3 51.Rb7+=) 50...Be8= 51.Ne8 Na5 (51...Ne5 52.Kf1=) 52.Rb5+= Nab3 53.Nc7 (53.Nd6 d4+=) 53...Kf7= 54.Rb6 Nd2 55.Rc6 Ncb3 (better 55...Ndb3=) 56.Ne6+- d4 57.Nf4 (57.Ng5!? Ke7 58.Re6 Kd7 59.Re5+-) 57...d3+= 58.Rc3?? (better 58.f3+=) 58...Nf3!-+ 59.gf3 d2 60.Rc7 Ke8 61.Re7 Kd8 (61...Kd8 62.Rh7 d1Q 63.Kh2 Nd4 64.Rh8 Kc7 65.fe4 Qf1 66.Rh7 Kd6 67.Rh6 Ke5 68.Ng6 Kf6 69.Nf8 Kf7 70.Rh7 Kf8-+) 0–1. Baeta,M (1995) – Cabral,Carlos Mauricio, Brazil Carnaval Open (4), 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Ba3 Rc8 10.Bd3 a6 11.0-0 Na7 12.Re1 Bb5 13.Bc2 Ba3 14.Ra3 Ne7 15.h4 Bc4 16.Ng5 h6 17.Nh3 h5 (better 17...Nb5!? 18.Ra4 0-0=+) 18.Qf3 Nec6 19.Qg3 g6 20.Nd2 Bb5 21.Nb3 Qe7 22.Raa1 b6 23.Re3 a5 24.Rf3 Rf8 25.Rc1 Ba4 26.Ng5?? (better 26.Qf4 Nb5 27.Ng5+=) 26...Bb3-+ 27.Rf7 Rf7 28.Bg6 (28.Nf7 Nd4 29.Nd6 Kd8 30.Bd3-+) 28...Nd8 29.Rb1 a4 30.Qf3 Kd7 (better 30...Nb5 31.Qh5 Nc3 32.Rb2-+) 31.Qh5 (31.Nf7 Nf7 32.Bf7-+) 31...Rg7 32.f4 Rc3 33.g4 (33.f5 ef5 34.Bf5 Kc7-+) 33...Qb4 34.Qh8 (34.Kh1 Qd4 35.Qh6-+) 34...Qd4 35.Kh1 Re7 (35...Re7 36.Rf1 Rg3-+) 0–1. Bujak,Michal (2150) – Vyparina,Matej (2250), Pardubice op–E, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Ba3 Nh6 10.Bd3 Nf5 11.Qb3 Nh4 12.Nh4 Bh4 13.Qb7? (better 13.g3 Bg5 14.f4= (14.Qb7? Rb8 15.Qa6 Rb6-+)) 13...Rb8-+ 14.Qa6 Rb6 15.Qa4 Ne5! 16.Qc2 (16.de5 Qg5 Double attack (16...Ba4 Discovered attack; 16...Qg5 Decoy)) 16...Nd3 17.Qd3 Qf6 (17...Bb5!? 18.Qd1 Qc7-+) 18.g3-/+ Bb5 19.Qd1 Bg5 20.Bc5 Qf5 21.f4 (better 21.f3 Rb7 22.Na3-/+) 21...Qe4?? (better 21...Bf4 22.gf4 Qf4-+) 22.Kf2= Be2 23.Qa4 Bb5 24.Qd1 Be2 25.Qe2 Qh1 26.Bb6 Qh2 27.Kf3 Qh1 28.Ke3 0-0 (28...Qc1 29.Kf2 ab6 30.Qb5 Ke7 31.Ra7 Kf6 32.fg5 Qg5 33.Qd3+=) 29.Ba7 Qg1 30.Qf2 Qc1 31.Kf3 Qh1 32.Ke2 Qc1 (32...Be7 33.Qf1 Qh2 34.Kf3+-) 33.Qe1 Bf4? (better 33...Qb2 34.Nd2 Be7+-) 34.gf4+- Qb2 (34...Qf4 35.Bc5 Qe4 36.Kd1 Qf3 37.Qe2 Qh1 38.Kc2+-) 35.Nd2 Qc3 36.Bc5 Rb8 (36...Rc8+-) 37.Qb1! Re8 (37...Rb1 38.Ra8 Mate attack) 38.Ra3 (38.Ra3 Qa3 39.Ba3+-) 1–0. Baeta,Marcio Netto (2085) – Villasanti,Sebastian (1625), Cuiaba Brazil, Contaud Open, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Na3 Na5 10.Bd3 a6 11.0-0 Rc8 12.Bd2 h5 13.Nc2 Nc4 14.Bc1 Nh6 15.Nd2 g6 (15...Bb5 16.Qh5 Na3 17.Qf3 Nc2 18.Bb5 ab5 19.Ra2=+) 16.Qe2 (16.Bc4!? dc4 17.Ba3+=) 16...Nb6=+ 17.Nb1 Na4 Attacks the backward pawn on c3 18.Qe1 Qc7 19.Bd2 Nb2 20.Be2 Nf5 21.Ne3 Nc4 (21...h4 22.h3=+) 22.Bc1 (22.Nc4!? dc4 23.Bf4=) 22...Bb5-/+ 23.g3 (23.Nc4 Bc4 (23...dc4?! 24.Nd2=) 24.Ba3 Bg5-/+) 23...Qc6 24.Qd1 b6 25.Nf5 ef5 26.h4 a5 27.f4 Kd7 (27...0-0 28.Rf3-/+) 28.Rf3=+ Ra8 29.Bc4 Bc4 (29...dc4?! 30.d5 Qb7 31.Na3=) 30.Ba3 b5 31.Be7 Ke7 32.Nd2 Rhb8 33.Nb3 Bb3 34.Qb3 Qc4 Black intends b4. Black prepares a4 35.Qd1 a4 36.Ra3 Rb7 37.Rf2 b4 38.Ra4 Ra4 39.Qa4 bc3 (worse 39...Qc3 40.Qa6 Rc7 41.Qf6 Ke8 42.Qh8 Kd7 43.Kg2=) 40.Qa3 Qb4 41.Qa6 Rb6 42.Qa7 Kf8 43.e6 (43.Kh2 Qd4 44.Rc2-+) 43...Re6 44.Qa8 (44.Kh2 Kg7-+) 44...Kg7 45.Qd5 (45.Kh2 Qd4 46.Rg2-+) 45...c2! 46.Rf1 (46.Rc2 Qb1 Double attack (46...Qb1 Decoy)) 46…Qc3 0–1. Ibrahimov,Rasul – Krutikhin,Yury Petrovich, URS–ch30 sf Novosibirsk, 1961. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Na3 a6 10.Bd3 Qc7 11.0-0 Rc8 12.Ng5 g6 13.Qf3 Nh6 (13...Nd8 14.Nb1=) 14.Ne6 Be6 (14...fe6 15.Bh6 Na5 16.Nb1+=) 15.Bh6+= Bf8 (15...Na5 16.Nb1+=) 16.Bd2 (16.Bf8 Rf8 17.Nc2 f6 18.ef6 Qf7+/-) 16...Bg7 17.Nc2 0-0 18.Ne3 The isolani on d5 becomes a target 18...Rcd8 19.Ng4 Bg4 20.Qg4 Na5 21.Bg5 Rde8 22.Rac1 (22.Ra3 Nc4 23.Bc4 dc4+=) 22...f6 23.ef6 Bf6 24.Bf4 Qf7 25.g3 Rc8 (25...Nc4 26.Rfe1=) 26.Rfe1 Rc6 27.h4 Bg7 28.Qe2 (28.Rc2 b5=) 28...Nc4 29.Qe7 Bf6 30.Qf7 Kf7 31.Rb1 b5 32.Bc4 (32.Bf1 Nb6 33.Rb3 Rfc8=+) 32...Rc4 (worse 32...bc4 33.Rb7 Kg8 34.Rd7+/-) 33.Bd6 Re8 34.Re8 Ke8 35.Bb4 Kd7 36.Ba5 Rc6 (36...Be7 37.Kf1=+) 37.Kf1 Re6 38.Rb2 Be7 39.f3 Ba3 40.Ra2 Be7 41.Kf2 (41.Rb2 Rc6=+) 41...Rc6 42.Ke3 Re6 43.Kd3 Bd6 44.Rg2 ½-½. Reichardt,Gert (1985) - Van Dijkhuizen,Robbert (1815), 23rd HZ Open, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Qb3 Qc7 10.Ba3 Rc8 11.Bd3 a6 12.0-0 Ba3 13.Qa3 (worse 13.Na3 Na5 14.Qd1 Qc3-/+) 13...Nge7 14.Rc1 0-0 15.Nbd2 Ra8 16.Nb3 Rfb8 17.Nc5 Bc8 18.Rcb1 b5 19.Qc1 Na5 20.Qg5 Nc4 21.h4 a5 22.g4 Nc6 Black intends b4 23.Qh5 g6 24.Qg5 Qe7 25.Qf4 b4 26.Bc4 dc4 27.Ne4 White prepares the advance g5 27...Kg7 28.Nf6 b3 29.h5 h6? (29...Qf8 30.hg6 fg6 31.Kg2+-) 30.g5 hg5 31.Qg5 Bb7 32.h6 Kh8 33.Nh4 a4?? (better 33...Rg8=) 34.Kh2?? (better 34.Ra4! Rg8 35.Rc4+-) 34...a3?? (better 34...Rg8-/+) 35.Qg6!! (35.Qg6 Qf6 36.Qf6 Kg8 37.Qg7) 1–0. Bennett,Hilton Petrie (2090) – Abadia Pascual,Luis, Calvia op 1st, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Bb5? Qb6 10.Bc6 (10.Bd3!?=+) 10...Bc6-/+ (worse 10...bc6 11.0-0=) 11.0-0 h6 (11...a5 12.Na3-/+) 12.Na3 Rc8 (12...h5 13.Bg5=+) 13.Rb1 (13.Qc2 a6=+) 13...Qc7 (13...Qa6 14.Qb3-/+) 14.Qd3 (14.Nb5!? Bb5 15.Rb5=+) 14...a6-/+ 15.c4 dc4 16.Nc4 Bb5 17.Rb5 ab5 18.Nd6 (better 18.Ne3!?-/+) 18...Bd6-+ 19.ed6 Qd6 20.Ba3 (20.Qb5 Qd7 21.Qd3 Ne7-+) 20...b4 (20...Qd5!? 21.Qb1 Ne7 22.Bc5-+) 21.Qb5 Qc6?? (better 21...Qd7 22.Qb4 Ne7-+) 22.Qb4+- Qc7 (22...f6 23.Qf8 Kd7 24.Qg7 Kd8 25.Qh8 Qe8+-) 23.Qf8 Kd7 24.Qf7 (24.Ne5 Qe5 25.Qf7 Kc6 26.de5 Rd8 27.Rc1 Kb6 28.Rb1 Ka5 29.Qc7 Ka4 30.Rb4 Ka3 31.Qa5) 24...Kd8+- 25.Qf8 Kd7 26.Qg7 Ke8 27.Qh8 Qf7 28.Ne5 1–0. Pelias,Marilyn (1610) – Yagunova,Zinaida, Katerini GRE, World Seniors Ch (w), 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.Bb5? Ne5!? 10.Ne5 Bb5 11.Na3 Ba3 12.Ba3-+.

    9.Be3 a6 10.Nbd2 Rc8 11.Qc2 (11.Qb3 Na5 12.Qb2 Rc6=+) 11...Nh6 (11...Qc7!? 12.Qb1 Na5-/+) 12.Bh6= gh6 13.Be2 Na7 14.0-0 Nb5 Attacking the backward pawn on c3 (14...Bb5 15.Bd3=+) 15.Nb1 (15.c4 dc4 16.Bc4 Na3=) 15...0-0 (15...Nc3 16.Nc3 Bb4 17.Qb3 Bc3 18.Rac1=) 16.Qd2 Kg7 (16...Kg7 17.Bd3 Rc7=) 0–1. Ultima.X (2235) – juliangon (2725), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Bd7)

    9.h4 Qb6 10.Bd3 f5 11.Ng5 Na5 12.Na3 a6 13.g4 (13.Bd2 Qc7=+) 13...h6-/+ 14.Nh3 Qb3 (worse 14...Bh4 15.gf5 Be7 16.Qh5 Kd8 17.Ng5+=) 15.Qd2 Rc8 16.Nb1 Qb6 (16...Nc4 17.Qe2 Bb4-/+ (17...Bh4 18.gf5 Be7 19.fe6 Be6 20.Nf4+-)) 17.Qe2? (better 17.gf5 ef5 18.Nf4=+) 17...Nb3-+ (17...Bh4?! 18.gf5 Be7 19.Qg4+=) 18.Qb2 Bd8 (18...Bh4 19.Nd2 Be7 20.Nb3 (20.Qb3? Qb3 21.Nb3 Rc3-+) 20...Rc3 21.Bc2+= (21.Qc3 Bb4 22.Kd2 fg4 23.Bg6 Kd8=+)) 19.0-0? (19.gf5 ef5 20.Ra2 Nc1 21.Qc1 Qd4 22.Nf4-+ (22.cd4?? Rc1 23.Ke2 Rh1-+)) 19...Na1 20.Qa1 Bb5 (20...Bh4!? 21.Nf4 Ne7 22.gf5 ef5 23.Qa2-+) 21.Bb5 ab5 (21...Qb5 22.Nf4 fg4 23.Ne6 Bh4 24.Ng7 Kd7 25.Nf5-+) 22.gf5 ef5 (22...Bh4 23.Nf4 ef5 24.Nd5 Qg6 25.Kh2-+) 23.h5 Ne7 24.Nf4 0-0 (24...Rg8!? 25.Kh2-+) 25.Qa2 Rc4 26.Ba3 Kh7 27.Be7 (27.Nd5 Qe6 28.Nf4 Qd7-/+) 27...Be7-/+ 28.Nd5 Qd8 29.Nf4 Qa8 (29...Qd7 30.Re1-/+) 30.Qc2 (better 30.Qa8 Ra8 31.Nd5=) 30...Qc8-/+ 31.Qd3 b4 (31...Bg5 32.Ng6 Re8 33.d5=+) 32.cb4 (32.Nd5 Bd8=) 32...Rd8 (better 32...Bb4 33.Nd5 Ba5-/+) 33.e6= White prepares d5 33...Rf8 34.Ng6 (34.Nd5 Rb4 35.Nb4 Bb4=) 34...Qe6= 35.d5?? (35.Ne7 Rb4 36.Qe3 Qd7=+) 35...Qe4 (better 35...Rg4 36.Kh2 Qf6-+) 36.Qe4=+ Re4 37.Nf8 Bf8 38.Rd1 Rb4 39.Nc3 Bd6 40.Ne2 Rg4 41.Kf1 Rh4 42.Rd3 (better 42.Rb1!?-/+) 42...Rh1 43.Kg2 Rh5 44.Nd4 f4 (44...Rg5 45.Kf3-+) 45.Ne6 (45.Nb5 Bb8-/+) 45...Rf5 (45...b6 46.Nd8 Rf5 47.Kf3-+) 46.Nd8 (46.Rb3 b6-+) 46...b5 47.Nb7 Rf6 (47...f3 48.Kh3 Rf6 49.Nd6 Rd6 50.Kg4-/+) 48.Kf3 g5 49.Rb3 (49.Ke4!?-/+) 49...b4-+ 50.Ke4 (50.Nd6 Rd6 51.Ke4 Rb6-+) 50...Be7 51.Ke5 Rb6 52.Na5 Bf6 53.Kf5 Bd4 54.f3 Rf6 (54...Bc3 55.Nc4 Rb5 56.Ke6-+) 55.Ke4 Bc3 (55...Bc5!? 56.Nc4-+) 56.Nc6-/+ g4! 57.Nb4 (57.fg4 f3 Passed pawn) 57...Bb4 58.Rb4 g3 59.Rb2 (59.Ke5 Rf8 60.d6 h5=+) 59...h5-/+ 60.d6? (better 60.Rd2 Rg6 61.d6-/+) 60...Rd6-+ 61.Kf4 Rg6 62.Rb7 Kh6 63.Rb1 (63.Rb2 g2 64.Rb1 h4-+) 63...h4 64.Ke3 h3 0–1. Kirsch,Josef (1870) – Falout,Lubos (2180), CZE–chTJ, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.h4 h5 10.Ng5 g6 11.g3 Nh6 12.Bd3 Na5 13.0-0 b5 (13...Rc8 14.Nh3=) 14.Na3 (14.Nd2 Nf5=) 14...Nc4 (14...a6 15.Bf4=) 15.Nc4 bc4 16.Bc2 a5 17.Bd2 (17.Nh3 Qb6=) 17...Kf8 Black loses the right to castle 18.Ra2 Kg7 Black king safety dropped 19.Qe2 Qc7 20.f3 Covers g4 (20.Nh3 Nf5=) 20...Nf5 Black threatens to win material: Nf5xg3 21.Bf4 (21.Qf2 Qd8=+) 21...a4 (21...Bg5 22.hg5 h4 23.Bf5 gf5 24.g4=+) 22.Bf5 (22.g4!? hg4 23.fg4 Nh4 24.Be3=) 22...gf5-/+ 23.Nh3 a3 White has to watch this pawn 24.Kh1 Ba4 25.Bc1 Bb3 (25...Bb3 26.Ra1 a2-/+) 0–1. Kadas,Gabor (2270) – Boricsev,Oleg (2350), HUN–chT2, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Bd7 7.ab4 Bb4 8.c3 Be7)

    9.h4 h6 10.Bd3 a6 (10...Na5 11.Nfd2=+) 11.h5 Na5 (11...Na7 12.Na3=+) 12.g3 (12.Nfd2 b5=+) 12...Bb5 (12...Qb6 13.Ba3=+) 13.Bc2 (13.Bb5 ab5 14.0-0 Ra6-/+) 13...Qc7-/+ 14.Nh4 (better 14.Nfd2-/+) 14...0-0-0 (better 14...Nc4!?-/+) 15.f4 (15.Qg4 Bb4 16.Qf3 Nc6=) 15...Bh4 16.Rh4 Ne7 17.Qf3 f6 (17...Kd7 18.Ba3=+) 18.Nd2 (18.Na3 Bc4=) 18...fe5 19.fe5 Rhf8 (19...Rdf8 20.Rf4 Rf4 21.gf4= (21.Qf4? Qc3 22.Ra5 Qa5-+)) 20.Rf4 Rf4 21.gf4 (21.Qf4? Qc3 22.Ra5 Qa5-+) 21...Rf8 (21...Nc4 22.Nc4 Qc4 23.Ba3=+) 22.Ba3 Rf7 (22...Nc4 23.Nc4 Qc4 A) 24.Be7? Rf4 25.Qd3 Rf1 (25...Qd3?! 26.Bd3 Bd3 27.Kd2-+) 26.Kd2 Ra1-+; B) 24.Kd2=+) 23.Be7 (23.Bd6 Qd8=) 23...Re7 24.Kf2 (24.f5!?=) 24...Rf7=+ 25.Bg6 (25.Ke1 Kd8=+) 25...Rf8 26.Kg3 (26.Ke1 Kd8=+) 26...Nc6 27.Rg1 Ne7 28.Kf2 Nf5 (28...Ng6 29.Rg6 Qf7 30.Kg3-/+) 29.Rg4 Be8 (29...Kd8 30.Bf5 Rf5 31.Rg6-/+) 30.Bf5 Rf5 (30...ef5?! 31.Rg2=) 31.Qg3 Bh5 (31...Qc6 32.Rg7 Rh5 33.Rg8=+) 32.Rg7 Rf4 (32...Qd8 33.Ke3 Qa5 34.Rg8 Kc7 35.Kd3 Qb5 36.Kc2=+) 33.Ke1= Rf7 34.Rg8 Kd7 35.Qh4 (better 35.Qh3 Bf3 36.Nf3 Qc3 37.Ke2 Qb2 38.Ke3 Qb3 39.Ke2 Qc4 40.Ke3 Qc1 41.Ke2 Qc4 42.Ke3 Qc3 43.Ke2=) 35...Bf3?? (better 35...Rf5-/+) 36.Nf3+- Qc3 37.Nd2 Qa1 (better 37...Rf3!? 38.Qd8 Kc6+-) 38.Ke2+- Qa5 39.Qh5 (39.Qh6 Qb5 40.Ke1 Qb2+-) 39...Qb5 (39...Rf2 40.Kf2 Qd2 41.Kg3 Qe3 42.Kh2 Qf2 43.Kh1 Qe1 44.Rg1 Qe4 45.Rg2 Qd4 46.Rg7 Kc6 47.Qe8 Kb6 48.Qe6 Ka7+-) 40.Ke1+- Re7 41.Qh6 Kc7 (41...Qc6 42.Qf8 Qc7 43.Qa8 Qc1 44.Ke2+-) 42.Qf8 Qd7 43.Qb8 (43.Nf3!? Rf7 44.Qa3 Qc6+-) 43...Kb6 44.Rd8 Qc7 45.Rd6 Kb5 46.Qc7 Rc7 47.Re6 a5 (47...Rd7 48.Rf6+-) 48.Rd6 a4 49.Rd5 Kb4 50.Rd8 a3 (50...b5 51.e6+-) 51.Ra8 Kc3 (51...Rd7 52.Kd1+-) 52.Ra3 (52.d5 Re7 53.Kd1 Re5 54.Ra3 Kb4+-) 52...Kd4 53.Nf3 Ke4 54.Kf2 (54.Kd2 Rd7 55.Ke2 Rg7+-) 54...b5 55.Re3 Kf4 (55...Kd5 56.Rd3 Ke4 57.Rd4 Kf5 58.Ke2+-) 56.e6 Re7 57.Nd4 b4 (57...Kg5 58.Re5 Kf6 59.Rf5 Kg6 60.Rb5+-) 58.Nc6 Re8 59.e7 Kf5 60.Ke2 (better 60.Nb4!? Kg6 61.Nd5 Kf7+-) 60...b3 61.Rb3 Ke6 62.Rd3 1–0. Lerch,Patrice (2340) – Prie,Eric (2435), FRA Ch Accession, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Bd7)

    8.d4 f5

    9.Bd3 a6 10.0-0 Rb8 11.Ba3 b5 12.Be7 Qe7 13.Nbd2 Nh6 14.Nb3 0-0 15.Qd2 Nf7 16.Rfb1 Rb6 17.Nc5 (17.Qe3 Nb8=) 17...Nfe5=+ 18.Ne5 Ne5 19.Ne6? (better 19.Na4!? Rb7 20.de5 ba4 21.Rb4-/+) 19...Re6-+ 20.de5 Re5 21.Bc2 Bb7 22.Bb3 Kh8 23.Rd1 Re8 24.h3 Qc5 (24...Qh4 25.Qd3-+) 25.Re1 Qe7 26.Red1 h6 (26...Qh4 27.Qd3-+) 27.Qd4 Qc7 28.Rac1 R8e7 (28...Re4 29.Qd3-+) 29.g3 (29.Bc2 Bc8-+) 29...Re4 30.Qd3 Qc5 31.Qf3 (31.Bc2 a5-+) 31...d4 32.Qd3 (32.cd4 Qc1!! 33.Rc1 Re1 34.Re1 Re1 35.Kg2 Bf3 36.Kf3-+) 32...Qc6 33.f3 Re3 34.Qf5 Rf3 (34...dc3 35.Qf8 Kh7 36.Bc2 g6 37.Rd8 Re1 38.Re1 Re1 39.Kf2 Qf3 40.Qf3 Bf3 41.Ke1+-) 35.Bd5 Qd5 36.Qd5 Bd5 (36...Bd5 37.Rd4 Rg3 38.Kf1 Rh3-+) 0–1. Sanchez,Jorge – Pascoal,E (2065), 36th Olympiad, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.Bd3 a6 10.0-0 h6 11.Ne1 g6 12.g4 (12.Ba3 Qc7=) 12...Kd7 (12...h5 13.gf5 gf5 14.Kh1=+) 13.Ng2 h5 14.Nf4 (14.gf5 gf5 (worse 14...ef5 15.Nf4+-) 15.Nf4 Nh6=+) 14...hg4-/+ 15.Ng6 Rh7 16.Bf4 Qe8 17.Ne7 Nge7 18.Bg3 Qh5 19.f3 gf3 20.Qf3 Qf3 21.Rf3 Kc7 22.Na3 Rb8 23.Kf2 Rf7 (23...b5 24.Ke3-/+) 24.Rg1 Bd7 25.Bf4 Rg8 26.Rg8 Ng8 27.Rg3 (27.h4 Rh7 28.Rh3 Be8-/+) 27...Nge7-/+ 28.Nc2 b5 29.Be2 (29.Ne1 Rh7 30.Nf3 b4-/+) 29...Rh7 30.Kg2 Be8 31.Ne1 Kd7 (better 31...Kb6-/+) 32.Nd3+= Nd8 (32...Bh5 33.Bh5 Rh5 34.Nc5 Ke8 35.Ne6 Kf7+-) 33.Nc5+- Kc6 34.Na6 Bh5 35.Bh5 Rh5 (35...Kb6 36.Bg6 Ng6 37.Rg6 Ka6 38.Bg5+-) 36.Rg7 Kb6 37.Re7 Ka6 38.Re8 Rh4 (38...Nc6 39.Re6 Kb7 40.Rd6+-) 39.Bg3 (39.Rd8?! Rf4 40.Rd6 Ka5 41.Re6 b4+-) 39...Rg4 40.Rd8 f4 (40...b4 41.cb4 Kb5 42.Rb8 Kc4 43.Kf3 Rd4 44.Re8+-) 41.Rd6 (better 41.Kf3 fg3 42.Kg4 g2 43.Ra8 Kb6+-) 41...Ka5 (41...Kb7 42.Re6 b4 43.cb4 fg3 44.hg3 Rd4 45.b5+-) 42.Re6 fg3 43.hg3 b4 44.cb4 (better 44.Kf3!? Rg7 45.cb4 Kb4+-) 44...Kb4 (better 44...Kb5+-) 45.Rf6 Rd4 (45...Re4+-) 46.Rf4 Rf4 47.gf4 d4 48.Kf2 Kc3 49.e6 d3 50.e7 d2 51.e8Q d1Q 52.Qc6 Kb4 53.Qb6 (53.f5 Qd2 54.Kf3 Qd3 55.Kg4 Qd4 56.Kg5 Qe3 57.Kg6 Qd3+-) 53...Kc4 54.Qc6 Kb4 55.Kg3 (55.f5 Qd2 56.Kf3 Qd3 57.Kg4 Qd4 58.Kg5 Qg1 59.Kf6 Qg4+-) 55...Qg1 56.Kh3 Qd1 57.Kh4 Qe1 58.Kg4 Qg1 59.Kf5 Qg7 60.Qe4 Kb3 61.Qe6 (61.Ke6 Qg8 62.Kd7 Qg7 63.Kc6 Qh6 64.Kb5 Qh4+-) 61...Kb4 62.Qf6 Qd7 63.Kg6 Qe8 64.Kg7 Qd7 65.Kf8 Qc8 66.Kf7 Qc4 67.Kg6 Qg8 68.Kh6 Qg2 (68...Kc4 69.f5 Kd5 70.Qe7+-) 69.Qe7 (69.f5 Qh2 70.Kg7 Kb5+-) 69...Kc4 70.Qe6 Kb4 (70...Kd4 71.Qe5 Kc4 72.f5+-) 71.f5 Qh3 72.Kg5 Qg3 73.Kf6 Qh4 74.Kf7 Qh7 75.Ke8 Qh5 76.Kd7 Kc3 (76...Ka5 77.f6+-) 77.f6 Qa5 (77...Qd1 78.Ke7 Qd4+-) 78.Qe1 (78.Qe1 Kc4 79.Qa5 Kd3 80.Qd5 Ke3 81.f7 Kf2 82.f8Q Ke1 83.Qf4 Ke2 84.Qdd2) 1–0. Schwarz,J – Mueller,H, Waldshut HT3, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.Bd3 Kf8 10.h4 Bd7 11.Na3 a6 12.g3 Be8 13.g4 Qc8 14.gf5 ½–½. Stukner,Simon (2055) – Dudys,Jakub (2150), Pobeskydy op, 2008. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 f5)

    9.Bd3 h5 10.h4 Nh6 11.Na3 a6 12.Bf4 Rb8 13.Nc2 b5 14.Ne3 Na5 15.g3 Nc4 16.Rb1 Bd7 17.Ng2 Nf7 18.Bd2 Nd2 19.Nd2 Qc7 20.Rc1 Ne5 (20...g6!?-/+) 21.de5= Qe5 22.Be2 g6 23.Nf4 Kf7 24.0-0 Qd6 25.Nf3 Bf6 26.Re1 Rbc8 Attacking the isolated pawn on c3 27.c4 bc4 28.Rc4 Rc4 29.Bc4 Rc8 30.Ba2 Rc3 31.Nh3 (31.Ng5!? Bg5 32.hg5+-) 31...Qa3 32.Nhg5 Bg5 33.Ng5 Kf8 34.Qd4 Rg3 35.Kh2 Rg5 36.hg5 Qa2 37.Qf6 Ke8 38.Qg6 Kd8 39.Qf6 Kc7 40.Qe5 Kb7 41.Qd4 Qa5 42.g6 Qc7 (42...Qe1? 43.g7 Qe4 44.Qe4 fe4 45.g8Q+-) 43.Qe5 Be8? (better 43...Qd8+=) 44.Qc7+- Kc7 45.Re6 Bg6 (better 45...Kd7 46.Ra6 d4+-) 46.Rg6 a5 47.Ra6 f4 (47...a4 48.Ra4 Kd6 49.Kg3+-) 48.Kg2 (worse 48.Ra5 Kd6+-) 1–0. Gietl,Thomas (2230) – Thanner,Hans Peter (2110), Regionalliga NO, 2004.

    9.Bd3 h5 10.h4 Nh6 11.Na3 Nf7 12.Rh3 g6 13.Rg3 Rg8 14.Ng5 Ng5 15.Bg5 Rb8 16.Nb5 a6 17.Nd6 Kd7 (17...Bd6 18.Bd8 Pinning (18.Bd8 Deflection)) 18.c4 Bg5 19.Rg5 Nd4 20.cd5 ed5 21.Qa4 Nc6 22.f4 b5 23.Qb3 Ne7 24.Bb5? (better is 24.Kf1+=) 24...Ke6 (24...Rb5?! 25.Nb5 Qb6 26.Rb1 Qb5 27.Qb5 ab5 28.Rb5-/+) 25.Qd3 ab5 (25...Rb5?! 26.Nb5 ab5 27.Qb5-/+) 26.g4? (26.Nb5 Qb6 27.Nd4 Kf7 28.Qd2-+) 26...hg4 (26...fg4 27.Rg6 Rg6 28.f5 Kd7 29.Ra7 Rb7 30.Qb5 Nc6 31.Rb7 Bb7 32.Qb7 Qc7 33.Qc7 Kc7 34.fg6+=) 27.h5 Qb6 28.Ke2 Ba6 29.Kf1 (29.h6 Ra8 30.Qe3 b4 31.Kd2 Qe3 32.Ke3 Rh8-+) 29...Ra8 30.Kg2 b4 31.Qd2 Bc4 32.Ra8 Ra8 33.Nc4 dc4 34.hg6 Qc6 (34...Qc6 35.Kf1 Ra1 36.Qc1 Rc1 37.Ke2 Qe4 38.Kd2 Qe1) 0–1. Christensen,Bo (2285) – Petersen,Nil (2050), Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    9.ef6 Nf6 10.Bd3 0-0 11.0-0 Qc7 12.Qe2 Bd7 (12...Ng4 13.Re1+=) 13.Nbd2 Rae8 14.Ne5 Ne5 15.de5 Ng4? (better is 15...Qc3 16.Ra7 Ng4 17.Qg4 Qd3 18.Rb7 Bc8=) 16.Qg4+- Qc3 17.Qh3 g6 18.Rb1 Bc5 19.Rb3 (19.Rb7?! Rf2 20.Rf2 Qc1 21.Nf1 Qf4+/-) 19...Bf2 20.Kh1 Qc7 21.Ba3 Bc5 22.Rc1 Qa5? (better is 22...b6 23.Qg3 Ba4 24.Bc5 bc5+-) 23.Bc5 (23.Rc5?! Qd2 24.Rc1 Bc6+/-) 23...Qd2 24.Be3 Qa5 25.Rb7 Rf7 26.Ra7 Qb4 27.Qg3 Ref8 28.Raa1 1–0. Meszaros,An (2295) – Sean,W (2360), Kecskemet HUN, Caissa IM Oct, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.ef6 Nf6 10.Bd3 0-0 11.0-0 Bd7 12.Re1 Qc7 13.Bc2 (13.Ba3 Ba3 14.Na3 a6=+) 13...Bd6 14.Ba3 Ba3 15.Ra3 Qf4 16.Nbd2 Rae8 17.Qe2 e5 (better 17...b6=+) 18.Ne5 (better 18.de5 Ne5 19.Ne5+=) 18...Ne5-/+ 19.de5 Ng4 20.Nf3 (20.g3 Qf2 21.Qf2 Rf2-+) 20...Re5 (20...Ne5!? 21.Ne5 Re5 22.Qf1-+) 21.Qd1 Re1 22.Qe1 Re8 (22...Qd6!? 23.Rb3 Rf3 24.gf3 Qh2 (24...Nh2?! 25.Qe3=) 25.Kf1 Ne5-+) 23.Qd1 (23.Qb1 Ne5 24.Ne1 Kh8-/+) 23...Bc6 24.h3 Ne5 25.Ne5 Qe5 (25...Re5?! 26.Ra7 Re8 27.Bb3=) 26.Qd3 g6 27.f3?? (27.Bb3!? a6 28.Ra1-/+) 27...a6 (better 27...Qe1 28.Kh2 Re2-+) 28.Ra1 Qe3 29.Kf1?? (better 29.Kh1-+) 29…Bb5 (29...Bb5 30.Rd1 Bd3 31.Bd3 Rc8-+) 0–1. Alonso,T – Lezcano Jaen,Pedro (2260), Caceres op, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.ef6 Nf6 10.Bd3 0-0 11.0-0 Qe8 12.Ba3 Qh5 13.Be7 Ne7 14.Ne5 (14.Na3 Nc6=+) 14...Qd1 15.Rd1 Nc6 16.f4 (16.Nc6 bc6 17.Rd2 Re8=) 16...Ne5 17.fe5 Ng4 18.Na3 Nf2 19.Bh7 Kh7 20.Rf1 Nh3 21.gh3 Bd7 22.Rab1 b6 23.Rf8 Rf8 24.Rf1 Rf1 25.Kf1 Ba4 26.Ke2 b5 27.Nb1 Kg6 28.Nd2 Bc2 29.Kf3? (better 29.Nf1!?-/+) 29…a5-+ (29...a5 30.c4 dc4-+) 0–1. Babanin,Gleb (2090) – Kahleys,K (2195), European Blitz, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    9.ef6 Nf6 10.Bd3 0-0 11.Na3 Bd7 12.Ne5 (12.0-0 a6-/+) 12...Ne5 13.de5 Ne4 14.Be3 (better 14.Be4!? de4 15.0-0-/+) 14...Qc7-+ 15.Bd4?? (better 15.0-0 Qe5 16.Bd4-+) 15...Nf2! 16.Bh7 (16.Bf2 Qc3 Double attack) 16...Kh7 17.Qh5 Kg8 18.Bf2 (18.0-0 Ne4 19.Rf3 Rf3 20.Qf3-+) 18...Qc3 19.Ke2 (19.Kd1 Rf2 20.Qe2 Ba4 21.Nc2 Bc2 22.Qc2 Qc2 23.Ke1 Qd2) 19…Qb2 (19...Qb2 20.Kd3 Rf2 21.Qh7 Kh7 22.Rhd1 Qb3 23.Kd4 Rf4) 0–1. Schulz,H (2245) – Kindermann,Stefan (2565), Wichern op Hamburg, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.h3 Bd7 10.Bd3 h5 11.h4 Nh6 12.g3 Nf7 13.Kf1 Qc7 14.Ba3 a6 15.Kg2 Rc8 16.Qe2 Ba3 17.Ra3 Ne7 18.Nbd2 Bc6 19.Qe3 Ng6 20.Nb3 Qe7 21.Ra2 Nf8 22.Rb1 Nd7 23.Kf1 Nb6 24.Nc5 Nc4 25.Bc4 dc4 26.Ng5 Nd8 27.Rb6 0-0 28.Qe2 g6 29.Kg1 Bd5 30.Rd6 e6 seems the pivot of the position 30...Nf7 31.Rd7 Qe8 32.Nf7 Rf7 33.Rd6 Rc6 34.Rb2 Qc8 35.Rb6 Rb6 36.Rb6 Qc7 (36...f4 37.Rd6=+) 37.Re6 Be6 38.Ne6 Qc6 (38...Qc8 39.Nf4 Rg7 40.e6+-) 39.Nf4 (39.Nd8 Qd5 40.Nf7 Kf7=) 39...Qe4 (39...Kh7 40.d5 Qb5 41.e6+-) 40.Qc4= Qe1 41.Kg2 Qe4 42.f3 Qc2 43.Kh3 Qc1 44.Kh2 Qd2 45.Kh3 Qe1 46.Kg2 Qd2 47.Kh3 Qe1 48.Kg2 Qd2 49.Kf1 Qd1 50.Kf2 Qd2 51.Ne2 Kg7 52.e6 Re7 53.Qd5 Qb2? (53...g5 54.Qd6 Kf6 55.hg5 Qg5+-) 54.Qe5 (54.Qd6!? Rf7 55.ef7 Kf7+-) 54...Kh7 55.d5 (better 55.Qd6 Rg7 56.Qf8+-) 55...Qb3 56.Qf6 Qa3 57.Nf4 Rg7 58.Qd4 Qd6 (58...Qd6 59.Qb4 Qd8+-). Arjun,V (2220) – Wang,Annie (2285), CCCSA Labor Day IM (4), 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.h4 Bd7 10.Bd3 a6 11.g4+=.

    9.h4 Bd7 10.Bd3 Qb6 11.Na3= Nh6 12.Rb1 Qa5 13.0-0 Nf7 14.Rb7? (better 14.Qb3 0-0 15.c4+=) 14...Ba3-+ 15.Rb5? (better 15.Bd2 Qd8 16.Qa1-+) 15...Qc3 16.Be3 (16.Ba3 Qa3 17.Rb3-+) 16...Nb4 17.Be2 Bb5 18.Bb5 Ke7 19.Ng5 (19.Qa4 a6 20.Be2 Rhb8-+) 19...h6 (19...Nc2 20.Bd2 Qb3 21.Nf3-+) 20.Ne6 (20.Nh3 Rhg8 21.Qf3 Bb2-+) 20...Ke6 21.Qh5 Rhg8 (better 21...Nc2!? 22.Qg6 Ke7 23.Qf5-+) 22.Qg6 Ke7 23.e6 (23.Qf5 Qc8 24.Qf4 Rb8-+) 23...Nd6 24.Bd7 (24.Bf4 Raf8 25.Bd6 Kd6-+) 24...Raf8 (better 24...Nd3!? 25.Bb5 Raf8 26.Bd3 Qd3 27.g4-+) 25.Bh6 gh6 26.Qh7 Nf7! 27.ef7 Rg2! 28.Kg2 Kd7 29.Qf5 (29.Rd1 Qc2 30.Qh6 Qe4 31.Kf1 Rf7-+) 29...Ke7 30.Qe5 Kf7 31.Re1 (31.Kh2 Nd3 32.Qd5 Kg7 33.Rg1 Kh8-+) 31...Nd3 32.Qe6 (32.Re3 Rg8 33.Kh2 Ne5 34.Rc3 Bb2-+) 32...Kg7 33.Rg1 Kh7 34.Kh2 Qc7 (34...Qc7 35.Qe5 Ne5 36.f4 Nf3 37.Kg2 Qc2 38.Kf3 Qe4 39.Kg3 Qf4 40.Kh3 Qf3 41.Rg3 Qh1 42.Kg4 Rf4 43.Kf4 Qe4) 0–1. Ni,Hua (2365) – Hoang,Thanh Trang (2450), FSGM, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.h4 Bd7 10.Bd3 Nh6 11.Ng5 (11.Bh6!? gh6 12.Qd2=) 11...Ng4 12.g3 Qb6 13.0-0 Na5 14.Na3 a6 15.Bd2 Rc8 16.Qc2 0-0 17.Rfb1 Qc7 18.Qa2 Nc4 (18...h6!? 19.Nf3 Ba3-/+) 19.Nc4= dc4 20.Be2 Nh6 21.Bf3 Attacks the backward pawn on b7 21...Rb8 22.d5 (22.Qa5!? b6 23.Qa6+-) 22...Bc5 23.de6 Bc6 (better 23...Bc8!?=) 24.e7+- Qe7 25.Bc6 bc6 26.Qc4 Kh8 27.Ne6 (worse 27.Qa6 Rb1 28.Rb1 Qe5=) 27...Bf2 28.Kf2 Ng4 29.Kg2 Ne5 30.Qa2 Rb1 31.Rb1 Qf7 32.Rb2 Re8 33.Bf4 Nd3 34.Ng5 Nf4 (34...Qa2 35.Ra2 Ra8 36.Rd2 Nf4 37.gf4+-) 35.gf4 Qg6 36.h5 (36.Qa6?! h6 37.h5 Qh5+-) 36...Qh5 37.Nf7 Kg8 38.Nd6 Kh8 (38...Kf8 39.Ne8 Qg4 40.Kf1 Qf3 41.Rf2 Qd1 42.Kg2 Qg4 43.Kh2 Qh5 44.Kg1 Qe8 45.Qa6 Qe1 46.Kg2 Qe4 47.Kh2+-) 39.Ne8 Qg4 40.Kf1 Qf3 41.Ke1 Qh1 42.Kf2 Qh2 43.Ke3 Qg3 44.Kd4 Qf4 45.Kc5 Qe5 46.Kb6 (46.Kc6 Qe8 47.Kb7 h5+-) 46...Qb8 (46...Qe8 47.Qa6 h6 48.Qa3+-) 47.Ka6 Qe8 48.Ka7 (48.Re2 Qa8 49.Kb6 Qa2 50.Ra2 h6+-) 48...Qe3 49.Ka8 h6 50.Qf7 Qe4 51.Rb7 Qe5 (51...Qg4+-) 52.Qg6 (52.Re7 Qa5 53.Kb7 Qb5 54.Kc8 Qa6 55.Kd8 Qa5 56.Ke8 Qa8 57.Kd7 Qa7 58.Kc6 Qa6 59.Kc5 Qa5 60.Kd4 Qb6 61.Kd5 Qb5 62.Ke6 Qc6 63.Kf5 Qf3 64.Ke5 Qc3 65.Ke4 Qe1 66.Kd3 Qg3 67.Re3 Qd6 68.Ke2 Qh2 69.Kd1 Qg1 70.Kd2 Qg2 71.Re2 Qg5 72.Kc3+-) 52...Qa5+= 53.Ra7 Qd8 54.Kb7 Qd7?? (54...Qe7 55.Ka6 Qe2 56.c4 Qc4 57.Kb7 Qb4 58.Kc8 Qf8 59.Kd7 Kg8 60.Kc6 Kh8+-) 55.Kb6+- Qd8 56.Kc6 Qc8 (56...Qf8 57.Kd5+-) 57.Kd5 Qd8 (57...Qf8 58.Kc4 Kg8 59.Qe6 Kh7 60.Rf7+-) 58.Kc4 Qg8 59.Qf7 (better 59.Rf7!? Qc8 60.Kd3 Qd8 61.Kc2 Qg8+-) 59...Qc8 (59...f4 60.Kd4 Qf7 61.Rf7+-) 60.Kd4 Qd8 61.Ke5 Qb8 62.Qc7 Qb5 (62...Qe8 63.Kf5 Qh5 64.Kf4 Qg5 65.Kf3 Qh5 66.Ke3 Qh3 67.Kd4 Qg4 68.Kd5 Qf3 69.Kc4 Qf1 70.Kc5 Qf5 71.Kb6 Qe6 72.Kb7 Qb3 73.Ka6 Qa4 74.Qa5 Qc6 75.Qb6 Qa4 76.Kb7 Qd7 77.Qc7 Qd5 78.Qc6 Qf7 79.Kb6 Qb3 80.Qb5 Qe6 81.Kb7 Qf7 82.Ka8 Qf3 83.Rb7+-) 63.Kd6 (63.Kd4 Qd7 64.Qd7 Kh7 65.Qg7) 63...Qd3+- 64.Ke7 Kh7 (64...f4 65.Qf4 Qb5+-) 65.Kf8 (65.Kf8 Kg6 66.Qc6 Kh5 67.Qh1 Kg5 68.Rg7 Kf4 69.Qh6 Kf3 70.Qh3 Ke4 71.Re7 Kf4 72.Qd3 Kg4 73.Rg7 Kf4 74.Rg3 Ke5 75.Qd4 Ke6 76.Rg6) 1–0. Salmensuu,Olli – Karatorossian,D, It Open Ubeda (Spain), 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.h4 g6 10.Ba3= Bd7 11.Be7 (11.Be2 h6=) 11...Nge7 12.h5 Kf7 13.Ng5 Kg7 14.h6 Kf8 15.Bb5 a6 16.Qa4 (16.Bd3 b5=) 16...Ra7 17.Bc6 Nc6 18.f4 Ke8 19.Qa2 Qe7 20.Nd2 Kd8 (20...b5 21.Qb3=+) 21.Qb2 Kc7 22.Rb1 (22.0-0 b5=) 22...b5 23.Nb3 Raa8 (23...Rb8 24.0-0=) 24.Nc5 (24.Ra1=) 24...Na5 (24...Ne5!? 25.Nge6 Be6 26.fe5 Rhb8=) 25.Qb4 Nc6 26.Nce6 Be6 27.Qe7 Ne7 28.Ne6 Kb6 29.Kd2 Nc6 30.c4 (better 30.Nc5!?+=) 30...dc4= 31.d5 Rae8 (31...Nd8 32.Ng5=+) 32.Ke3 (32.Rhd1 Ne7 33.d6 Nd5-/+) 32...Ne7 (32...Re6 33.de6 Re8=+) 33.d6 (better 33.Kd4=) 33...Nd5-/+ 34.Kd4 Nc3 (better 34...Kc6!? 35.Ra1 Re6 36.Ra6 Nb6-/+) 35.Kc3 Re6 36.Kd4 Kc6 0–1. Nizetic,Philip – Tello,Yasser, Target Recruitment Masters, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    9.h4 g6 10.Bg5 h6 11.Be7 Nge7 12.Na3 Bd7 13.Nb5 Nc8 14.Bd3 a6 15.g4 Rb8 16.Nd6 Nd6 17.ed6 Bc8 18.gf5 ef5 19.Qe2 Kf7 20.Ne5 Ne5 21.de5 Be6 22.c4 Rc8 23.Rb1?? (23.h5 dc4 24.hg6 Kg7-/+ (24...Kg6? 25.Qh5 Kg7 26.Bf5+-)) 23...Qd7 (better 23...dc4 24.Bc2 b5-+) 24.cd5 Bd5 25.Rg1 Rhe8 26.Kd2? (better 26.f4 Rc6 27.h5 Rd6 28.hg6 Kg7 29.Qh5=) 26...Qa4-+ 27.Qe3 Qa2 28.Ke1 (28.Kd1 Rc3 29.d7 Rd8-+) 28...Re5-+ 29.Qe5 Re8?? (better 29...Qa5 30.Kf1 Bg2 31.Rg2 Qe5-+) 30.Qe8=+ Ke8 31.Rg6 Bf3 (31...Bc4 32.d7 Kd8 33.Rb7 Qa1 34.Ke2-/+) 32.d7?? (32.Rh6 Qa5 33.Kf1=) 32...Kd7-/+ 33.Bf5 Kc7 34.Bd3 Qa5 35.Kf1 Qd2 36.Rg7 Kd6 37.Bf5 (37.Bh7 a5-+) 37...Ke5 (37...Qf4!? 38.Rd7 Kc5 39.Bd3-+) 38.Bh7 Kf6 39.Rg3 Qe2 40.Kg1 Bc6 41.Bd3? (better 41.Rg6!? Kf7 42.Rg3-/+) 41...Qh5-+ 42.Bf1 a5 (better 42...Qh4!? 43.Bg2 Qc4-+) 43.Bg2-/+ Bg2 44.Kg2 b5 45.Re1 Qh4 46.Rf3 Kg7 47.Rc1 Qe4 48.Rc7 Kg6 49.Rcf7 b4 50.Kh2 Qe5 (50...Qe5 51.Kg1 a4-+) 0–1. Dannenberger,Alf – Schumacher,Ralf, Badenweiler op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 f5 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 Nh6

    10.h3 0-0 11.0-0 Bd7 12.Bh6 gh6 13.Qd2 f4.

    10.h3 Nf7 11.0-0 0-0= 12.Bf4 Bd7 13.Na3 a6.

    10.h3 Nf7 11.Nbd2 0-0 12.0-0 a5 13.Ba3 Bd7.

    10.h3 Nf7 11.g4 0-0 12.Nbd2-/+ h6 13.gf5 ef5.

    10.h3 Nf7 11.g4 Qb6 12.gf5 ef5 13.Rg1 g6 14.h4 Be6 15.h5 0-0-0 (15...Rg8 16.hg6 hg6 17.Ba3=+) 16.Ke2 (16.hg6 hg6 17.Rg6 Rh1 18.Rg1 Rg1 19.Ng1 Rh8=) 16...g5 17.Ng5 (17.Bg5 Qb2 Double attack; 17.Ng5 Ng5 Decoy) 17...Ng5-/+ 18.Bg5 Bg5 19.Rg5 Qb2 20.Nd2 Qc3 21.Rc1 (21.Nf3 Nd4 22.Kf1 Nf3=+) 21...Qd4-/+ (21...Nd4?? 22.Kf1 Qc7 23.Rc7 Kc7 24.Nf3 Nf3 25.Qf3+-) 22.Nf3 Qb2 (22...Qf4 23.Qd2 Qd2 24.Kd2-/+) 23.Rc2=+ Qb4 24.Qc1 (24.Nd4! Bd7 25.Qa1-/+) 24...Kb8-/+ 25.Rb2 (25.Bf5?? Bf5 26.Rb2 Qe4 27.Qe3 Bg4 28.Qe4 de4 29.Rg4 ef3 30.Ke3 Ne5-+) 25...Qa4 (25...Nd4 26.Kd1 Qa4 27.Bc2-+) 26.Qc5 (26.Rg7 Rd7 27.Rd7 Bd7-/+) 26...Ka8 (26...Rhf8 27.Qb5 Qb5 28.Bb5-/+) 27.Rg7 (27.Bf5?? Bf5 28.Qb5 Qb5 29.Rb5 Be4-+) 27...Rd7 (27...Bc8 28.Qc3-/+) 28.Rd7=+ Bd7 29.Qd5 Rd8 (29...Be8 30.Bb5 (30.Bf5? Bh5 31.Rd2 Qh4-+) 30...Qf4 31.Rb3-/+) 30.e6 (better 30.Bb5!? Qe4 31.Qe4 fe4 32.Bc6 Bc6 33.Ng5-/+) 30...Be6!-/+ 31.Qe6 Nd4?? (31...Qg4 32.Bf5 Nd4 33.Kf1 Nf5-/+ (33...Ne6? 34.Bg4 Nd4 35.Rd2+-; 33...Qf3?! 34.Qe4 Qd1 35.Kg2 Rg8 36.Bg6-+)) 32.Nd4+= Re8 33.Bf5?? (better 33.Qe3! Re3 34.fe3+=) 33...Re6-+ 34.Ne6 a5?? (better 34...Qa6 35.Ke1 Qa1 36.Rb1 Qe5 37.Kf1 Qf5-+) 35.f3 (better 35.f4!?+/-) 35...Qc4+= 36.Kf2 a4 37.Be4?? (better 37.Rb1+=) 37...Kb8?? (better 37...Qe6 38.Bb7 Ka7-+) 38.Rb7+- Kc8 39.Rc7 Qc7 40.Nc7 Kc7 (40...a3 41.Bb1 Kc7+-) 41.Bh7 Kd6 42.Be4 (42.h6 Ke7 43.Bg8 Kf6+-) 42...Ke5 (42...a3 43.Bb1 Ke7+-) 43.h6 Kf6 44.h7 (better 44.f4+-) 44...Kg7 45.Ke3 a3 46.Bb1 Kh8 47.Kd2 (better 47.Kf4 a2 48.Ba2 Kh7 49.Kg5+-) 47...Kg7 48.Kc3 (48.Kc3 a2 49.Ba2 Kh7 50.Bb1 Kh6 51.Kd4+-) 1-0. Rusan,P (2105) - Kashlinskaya,A (2490), Titled Tuesday 2nd Mar, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    10.h3 Nf7 11.g4 g6 12.Qe2 0-0-/+ (12...Bd7 13.gf5 gf5) 13.gf5 ef5 14.h4 (14.Na3 Be6-/+) 14...Be6 15.Ng5 (15.Qb2!?-/+) 15...Ng5-+ 16.hg5 (16.Bg5 Bg5 17.hg5 Qg5-+) 16...Rc8 (16...Bg5 17.Bg5 Qg5 18.Nd2-+) 17.Bd2 (17.Ba3 Ba3 18.Na3 Qg5-/+) 17...Bg5 (17...f4 18.Na3-+) 18.f4 (18.Bg5 Qg5 19.Nd2 Rc7-+) 18...Bh4 (18...Be7 19.Na3-+) 19.Kf1 Be7 20.Be1 Qb6 21.Ra2 Rf7 (21...Na5 22.Rb2 Qc6 23.Ra2-+) 22.Rb2 Qc7 23.Qh2 (23.Nd2 a5 24.Ra2 Ra8-+) 23...Na5 (23...a5 24.Rg2 Rg7 25.Bh4 Bh4 26.Qh4-+) 24.Rg2 Rg7 25.Rg3 Nc4 (25...Qb6 26.Qa2-+) 26.Rh3 (26.Qa2 a5-+) 26...Bd8 (26...h5 27.Qa2-+) 27.Be2 (27.Qa2 Qb6-+) 27...a5 28.Qg3 (28.Nd2 Nd2 29.Bd2 a4-+) 28...Qf7 (28...g5 29.Rg1 a4 30.Rh6-+) 29.Bc4 (29.Nd2 Na3-+) 29...dc4 30.Na3 (30.Qe3 Bd5 31.Rg1 b5-+) 30...Be7 31.Nc2 a4 (31...Bd5 32.Rg1 Be4 33.Ne3-+) 32.R1h2 (32.Ne3 Bd5 33.Nd5 Qd5-+) 32...a3 33.Ne3 Ra8 34.Ra2 g5 35.Qg2 (35.Qf2 Ra5-+) 35...gf4 36.Qb7 Rd8 (36...fe3?! 37.Qa8 Bf8 A) worse 38.Re3 f4 39.Rf2 Bd5-+ (39...fe3?! 40.Rf7 Rf7 41.Ke2 Bg4 42.Ke3+-); B) 38.Ra3 f4 39.Rh2 f3-+; C) 38.Rg3 Rg3 39.Bg3-+) 37.Ng2 (37.Bh4 fe3 38.Qe7 Qe7 39.Be7 f4-+) 37...Bd5 38.Qb6 Rg2 (better 38...Rg6!? 39.Qg6 hg6 40.Nf4-+) 39.Rg2 Bg2 40.Kg2 Qg6 41.Qg6 hg6 42.Bd2 (42.Bf2 Rb8 43.Rh1-+) 42...Rb8 43.Rh1 (43.Rh6 Kg7 44.Rh1 Rb2-+) 43...Rb2 44.Kf3 Rd2 45.Kf4 Kf7 46.Rh7 Ke8 (better 46...Ke6 47.Rg7 g5 48.Ke3 Rd3 49.Ke2-+) 47.Rh8 Kd7 48.Ra8 (48.Rg8 Rg2 49.Ra8 Rf2 50.Ke3 Rc2 51.Ra7 Ke8-+) 48...Rf2 49.Ke3 Rc2 50.d5 (50.Kf4-+) 50...Bc5 51.Kf4 Rc3 52.Kg5 Rd3 53.Kg6 Rd5 54.Kf5 c3 55.Kf6 c2 56.e6 Kc7 (56...Kc7 57.e7 Be7 58.Kg7 c1Q 59.Ra7 Kc6 60.Ra6 Kb5 61.Rf6 Bf6 62.Kf7 Bh8 63.Ke6 Qc7 64.Kd5 Qc6) 0–1. Helin,Mikael (1960) – Nygren,D (2200), 34th Rilton Cup, Stockholm SWE (1), 2004.

    10.h3 Nf7 11.g4 g6 12.gf5 ef5 13.Qb3 0-0.

    10.h3 Nf7 11.g4 g6 12.gf5 ef5 13.Nbd2 0-0=+.

    10.h3 Nf7=+ 11.g4 g6 12.gf5 ef5 13.h4 Be6 14.Ba3 0-0 (14...Ba3 15.Na3 a6 16.Rg1=+) 15.Be7 Qe7 16.Qd2 Kh8 17.Qf4 Bd7 (17...a6 18.Ng5=+) 18.Kf1 (18.Rg1!?=) 18...Ncd8 19.Ne1 Ne6 20.Qd2 (20.Qf3 Bc6 21.Ng2 Qe8=+) 20...f4 21.Na3 Nh6 22.Nf3 Nf5 23.Nc2 a5 24.c4 (24.Ke1!?-/+) 24...dc4-+ 25.Bf5 gf5 (25...Rf5 26.Ra5 Ra5 27.Qa5 b5=+) 26.d5 (26.Ra5 Ra5 27.Qa5 Bc6-/+) 26...c3 27.Qc3 Rac8 (27...Rfc8 28.Qd2 Qc5 29.de6 Bb5 30.Ke1 Qc2 31.Ng5=+) 28.Qb2 Qc5 29.de6 Qb5 30.Qb5 Bb5 31.Ke1 Rc2 32.Nd4 Rc5 (32...Rb2 33.Ra5 Rc8 34.Kd1 Be2 35.Ne2 Rb1 36.Kd2 Rh1 37.Rd5-/+) 33.Ra5= (worse 33.Nb5 Rb5 34.Ke2 Re8-/+) 33...Re5 34.Kd2 Rd8 35.Kc3 Rc5 36.Kb4 Rc4 37.Kb5 Rcd4 38.Kb6 R8d6 39.Kb7 Re6 40.Rf5 Rd7 (40...Rb4 41.Kc7=) 41.Kc8 Ra7 42.Kb8 Rg7 43.Rc1 Re8 ½–½. Martens,Martin (2390) – Lempert,Igor (2430), Hyeres op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    10.h3 Nf7 11.g4 g6 12.gf5 gf5 13.Rg1 Kf8 14.Be3 Rg8 15.Rg8 Kg8 16.Nbd2 Kh8 17.Ke2 Bd7 18.h4 Qf8 19.Ng5 Ng5 20.hg5 Be8 21.Qh1 Qf7 22.Qg2 Qg7 23.Qh3 Bg6 (23...Bg5? 24.Rg1+-) 24.Nf3 b6 25.Nh4 Kg8 26.Ng6 hg6 27.c4 Nb4 28.cd5 Nd5 29.Bc4 Bb4 30.Bd5 ed5 31.Bf4 a5 32.Rh1 Kf7 (32...a4!?=+) 33.Rc1 Qh8 34.Rc7 Ke6 35.Rc6 Kd7 36.Qh8 Rh8 37.Rb6 Ra8 38.Kd3 Be1 39.e6 Ke7? (39...Ke8 40.Bd6 Bb4 41.Bc5+-) 40.Be5 (better 40.Bd6 Ke6 41.Bb4 Kf7 42.Be1+-) 40...a4?? (better 40...Re8+-) 41.Bf6+- Kf8 42.Rb7 Re8 43.Rf7 Kg8 44.Rg7 (44.Rg7 Kf8 45.e7 Re7 46.Re7 Bf2 47.Ra7+-) 1–0. Narciso Dublan,Marc (2360) – Ferran Biosca,Robert (2185), Foment op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f5 6.d4 Nc6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6)

    10.Bh6 gh6

    11.0-0 0-0 12.Na3 Bd7 13.Qd2 Rf7 (13...a6 14.Qh6 b5 15.Nc2=) 14.Qh6 Qf8 15.Qf8 Rff8 16.Rfb1 b6 17.g3 Na5 18.Ba6 Bc8 19.Bb5 Bb7 20.Kg2 Kf7 21.Rh1 (21.Be2!?=) 21...Rfc8=+ 22.Nb1 a6 23.Bd3 Nc4 24.Ra2 a5 25.h4 h6 26.h5 b5 (26...Ba6 27.Re1-/+) 27.Nh4 Bh4 (27...b4 28.cb4 Bb4 29.Nf3-/+) 28.Rh4=+ b4 29.cb4 ab4 30.Ra8 Ra8 31.Rh1 (31.g4 Ba6 32.Kg3 Na3 33.Ba6 Ra6-/+) 31...Ra2 32.Re1 (32.Rc1 Ba6 33.Kg1 Ra1-/+) 32...Bc6 (32...Ba6 33.Re2 b3 34.Nc3-/+) 33.Bf1 (33.Rc1!?-/+) 33...Ba4 34.Bd3 Bc2 35.Bc2 Rc2 36.Kf3 b3 37.Re2?? (better 37.Rg1-+) 37…Rc1 (37...Rc1 38.Nd2 b2 39.Nc4 b1Q (worse 39...Rc4 40.Rb2 Rd4 41.Rb7 Ke8 42.Rh7+=) 40.Nd6 Kf8-+) 0–1. Berendsen,Richard – Jap Tjoen San,Linda (2175), NLD–chJ Leiden, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    11.Na3 0-0 12.0-0 a6 13.Qd2 Kg7.

    11.Qd2 Bg5 12.Ng5 Qg5 13.f4 Qh4 14.g3 Qe7 15.Na3 0-0 16.Nb5 b6 17.Kf2 Na5= 18.Rag1 (18.Rhb1 Ba6=) 18...Ba6=+ 19.g4 (19.Nd6 Bd3 20.Qd3 Nb7 21.Nb7 Qb7=+) 19...Qh4 20.Kf3 Bb5 21.Bb5 Kh8 (21...Qh3 22.Rg3 fg4 23.Ke2 Qh5=+) 22.Bd3 (22.h3 a6 23.Bd3 b5=) 22...fg4 (22...Qh3!? 23.Rg3 fg4 24.Ke2 Qh4-/+) 23.Rg4=+ Qh5 24.Rhg1 Rg8 25.Qg2 (better 25.Qe2!?=+) 25...Rac8-/+ 26.Ke2 Nb3 (26...Rc3 27.Qh3 Rg4 28.Qh5 Rg1 29.Qh6+-) 27.Qf3 Rg4 28.Rg4 Qh2 29.Rg2 Qh4 (worse 29...Rc3 30.Qg4 (30.Rh2? Nd4 31.Ke3 Nf3 32.Rh6 Ne1-+) 30...Nd4 31.Kd2 Qg2 32.Qg2+-) 30.Bh7? (30.Bb5 Rg8 31.Rg8 Kg8=+) 30...Rf8?? (better 30...Nc1 31.Kd2 Kh7 32.Kc1 Rc3 33.Qc3 Qh1 34.Kb2 Qg2 35.Kb3 Qg4-+) 31.Rg4=+ Qh2 32.Rg2 Qh4 (32...Rf4 33.Rh2 Rf3 34.Kf3 Kh7 35.Kg4+=) 33.Rg4 Qh2 34.Rg2 Qf4 (better 34...Rf4!? 35.Rh2 Rf3 36.Kf3 Kh7+=) 35.Rg8+= Kh7 36.Rf8 Qf3 (better 36...Qd2!? 37.Kf1 Qc1 38.Kg2 Qg5 39.Kh2 Qh4 40.Qh3 Qh3 41.Kh3 Nd2+-) 37.Rf3+- Kg7 (37...a5 38.Rf7 Kg6 39.Rf6 Kg5 40.Re6+-) 38.Rf6 b5 (38...Nc1 39.Kd1 Nd3 40.Kc2 Ne1 41.Kd2+-) 39.Re6 b4 40.Kd3 Nc1 41.Kd2 Na2 42.cb4 Nb4 43.Kc3 (43.Re7 Kf8 44.Rc7 a5+-) 43...a5 (43...Na2 44.Kb2 Nb4 45.Re7 Kf8 46.Rh7+-) 44.Re7 (44.Re7 Kg6 45.Ra7 Na2 46.Kd2+-) 1–0. Lerch,Patrice (2330) – Meister,Peter (2400), BL2–Ost, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5 9.Bd3 Nh6 10.Bh6 gh6)

    11.Ng1 0-0 12.Nh3 Bd7 13.0-0 Kh8 14.Kh1 Rg8 15.Rg1 Qe8 16.Qd2 Bg5 17.Qb2 Qb8 (17...b5 18.Na3 a6 19.Ng5 hg5 20.Nc2=) 18.Nd2 b5 19.Ng5 hg5 20.Nb3 (20.Bb5? a6-+; worse 20.Qb5 Qb5 21.Bb5 Ne5 22.Bd7 Nd7-/+) 20...Qb6 21.Qe2 b4 22.Ra6 Qd8 (22...Qc7 23.Rc1 bc3 24.Rc3+=) 23.cb4 (23.Bb5 Nb8 24.Bd7 Qd7+-) 23...Nb4+= 24.Rd6 Nd3 25.Qd3 Qe8 26.Nc5 Bb5 27.Qd2 Rg6 28.Rb1 Bc4 (28...a6 29.Qa5+=) 29.Qa5 Rh6 (29...f4 30.Rb7 Rh6 31.f3+- (31.Ra7?! Rh2 32.Kg1 Rh1 33.Kh1 Qh5 34.Kg1 Qd1 35.Kh2 Qh5 36.Kg1 Qd1 37.Kh2 Qh5 38.Kg1=)) 30.Kg1 Rb8 1–0. Gerigk,Erasmus (2265) – Eisele,Steffen (2125), BL2–S9697 Germany, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5 9.Bd3 Nh6 10.Bh6 gh6)

    11.g4 fg4-/+ 12.Nfd2 Rg8 (12...Qb6 13.Ra2 h5 14.h3=+) 13.Rg1 h5 14.h3 Kd7 (14...Bh4 15.Bh7 Rg7 16.Bd3-/+) 15.hg4=+ Kc7 (15...Qb6 16.Ra2=+) 16.Kf1 (16.Bh7 Rg7 17.Bd3 Qg8=) 16...Bd7 (16...hg4 17.Rg4 Rh8 18.Ke1=+) 17.g5 (17.gh5 Rg1 18.Kg1 Qg8 19.Kf1 Rf8=+) 17...Be8 18.Bh7 (18.Nf3 Bg6=+) 18...Rg5-/+ 19.Rg5 Bg5 20.Na3 a6 21.Nb3 (21.Ke1 Kd7-/+) 21...Be7 22.Qf3? (better 22.Bd3-/+) 22...Ba3-+ 23.Ra3 Qe7 24.Nc5 b6 (better 24...Qh7 25.Ne6 Kc8-+) 25.Ra6-/+ Rb8 26.Ne6 Qe6 27.Bf5 Qh6 28.Ra1 Bg6 (better 28...Ne7 29.Ke1 Kd8-+) 29.Qd5?? (better 29.Bg6 Qg6 30.Qd5 Qd3 31.Kg2-/+) 29...Bf5-+ 30.Qc4 (30.Ke2 Qg6-+) 30...Qg6 31.Ra7 (31.Ke2 Rf8 32.f3 Qg2 33.Ke3 Bd3 34.Ra7 Kb8 35.Ra8 Kb7 36.Qc6 Kc6 37.Rf8 Qe2 38.Kf4 Qd2 39.Kg3 Qg5 40.Kf2 h4 41.d5 Kd5-+) 31...Rb7 (better 31...Kd8 32.Qd5 Ke8 33.Ra3-+) 32.Rb7 Kb7 33.Qd5 0–1. Bosch,Jeroen – Van der Tuuk,Jaap, Eindhoven, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    11.h4 Rg8 12.g3 Bd7 13.Na3 a6 14.Qd2 Bf8 15.0-0 Rc8 (15...Na5 16.Rfb1=+) 16.Rfe1 (16.Rfb1 Qc7=+) 16...Na5=+ 17.Ra2 (17.Reb1 Ba4-/+) 17...Qc7-/+ 18.Nb1 Nc4 19.Qe2 Bb5 20.Nfd2 Qg7 21.Kh2 Be7 22.Rg1 Kd7 23.Nf3 (23.Qd1 f4-/+) 23...Qf7 (23...Qg4!?-/+) 24.Nbd2=+ Rg4 (24...Na3 25.Nb1 Bd3 26.Qd3=+) 25.Bc4 (25.Rb1 b6=) 25...Bc4 (25...Rc4 26.Nc4 Bc4 27.Qc2 Ba2 28.Qa4 Kc8 29.Qa2-/+) 26.Nc4 Rc4 (worse 26...dc4 27.Rb2 Rc7 28.Rgb1+=) 27.Rb1 Rc7 (27...Kc8=) 28.Rc2 (28.Rab2!? b5 29.Ra2+-) 28...Qg6 (28...f4!?-/+) 29.Rcb2= Kc8?? (better 29...b5 30.Ra1 Re4+=) 30.Rb7!!+- f4 (30...Rb7 31.Qa6 Pinning (31.Qa6 Decoy)) 31.Qa6 fg3 32.fg3 Qc2 33.Kh1 Qc3 34.Qe6 (34.Rc7 Kc7 35.Rb7 Kd8 36.Rb8 Kd7 37.Qa4 Qc6 38.Rb7 Kd8 39.Qc6 Rh4 40.gh4 Bh4 41.Qd7) 34...Kd8 35.Rb8 Rc8 36.Qg4 (36.Qg4 Bd6 37.Qg8 Kd7 38.e6 Ke7 39.Qf7 Kd8 40.Qd7) 1–0. Tidman,S (2120) – Wilson,A (2010), 4NCL West Bromwich ENG, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    11.h4 Rg8 12.g3 Bd7 13.Qc1 Bf8 14.Ng1 (14.Qb2 a5=) 14...Rc8 (14...a5 15.Qd1=+) 15.Qb2 Qc7 16.Ne2 a6 17.0-0 (17.Nd2 Be7=) 17...Nd8 (17...Be7 18.h5=+) 18.Nf4 Be7 19.Kh2 Nf7 (19...Qc6 20.Rc1=+) 20.Rc1= Bh4 21.gh4 Ne5 22.de5 Qe5 23.Qd2 Rg4 24.Re1 (24.Kh3 Rf4 25.Rg1 Rh4 26.Kg2 Qf4 27.Qf4 Rf4-+) 24...Qf4 (better 24...Rh4!? 25.Kg1 Qf4 26.Qf4 Rf4-+) 25.Qf4-/+ Rf4 26.Kg3 Rg4 27.Kh3 Kf7 28.Be2 Rg7 29.Bf3 Kf6 30.Kh2 Rc4 31.Kh3 Rf4 32.Nd2 Bc6 33.Rg1 (33.Ra5 Bb5-/+) 33...Rg6 (33...Rg1 34.Rg1 a5 35.Rg8-+) 34.Rg3-/+ e5 35.Bh5? (better 35.Ra2-/+) 35...Rf2-+ 36.Bg6 Rd2 (better 36...hg6 37.Rg2 Rg2 38.Kg2 d4 39.Kf2 dc3-+) 37.Bh7-/+ f4 38.Rg6 Kf7 (better 38...Ke7!? 39.Rg2 Rg2 40.Kg2 d4 41.Kf2 dc3-/+) 39.Kg4= d4 (better 39...Rg2 40.Kf5 Bd7 41.Ke5 Rg6 42.Bg6 Kg6 43.Kf4 Kh5=+) 40.Rd6 (40.cd4 Rd4 41.Kf5 f3+-) 40...Ke7 (40...dc3!? 41.Rd2 cd2-/+) 41.Rc6 (41.Rh6 dc3 42.Rc1 Bd7 43.Kf3 Bc6 44.Rc6 bc6 45.Rc3 Rh2=) 41...bc6=+ 42.cd4 (42.Ra6 dc3 43.Rc6 Rg2 44.Kh5 Rg3=+) 42...Rd4 43.Ra6 Rd6 (better 43...Rc4!?=+) 44.Be4+= Rf6 (better 44...c5!? 45.Ra7 Ke6+-) 45.Bc6+- Kf8 46.Ra8 Kg7 (46...Ke7 47.Be4+-) 47.Be4 (47.Bd5 h5 48.Kg5 Rd6 49.Ra7 Kf8+-) 47...Rf8 (47...Kf7 48.Bd5 Ke7 49.Ra5+-) 48.Ra7 Rf7 49.Ra6 Rf6 50.Ra5 h5 51.Kf3 (51.Kh5?! f3+-) 51...Re6 52.Bf5 (52.Ra7 Kf6 53.Rh7 Re8+-) 52...Re7 53.Ke4 Kf7 54.Ra6 (54.Re5?! f3 55.Bh3 Re5 56.Ke5 f2+-) 54...Kg7 55.Rg6 Kh8 56.Rh6 Kg8 57.Rh5 Kg7 58.Rh7 Kf8 59.Rh6 Kg7 (59...Rf7 60.Rc6 (60.Ke5?! f3+-) 60...f3 61.Rc3+- (61.Ke5 f2 62.Rc8 Kg7+-)) 60.Ra6 Re8 61.Kf3 (better 61.h5!? Kh8+-) 61...Rf8 (61...Rh8 62.Kg4+-) 62.Be4 Rb8 (62...Rf6 63.Ra5 Re6 64.h5+-) 63.Kg4 (63.h5 Kh8+-) 63...Rb4 (63...Rg8 64.h5+-) 64.Kf5 f3 65.Rg6 (65.Ra7 Kg8 66.Ra2 Rb5+-) 65...Kh7 (65...Kf7 66.Rg1 f2 67.Rf1+-) 66.Rg3 (66.Rf6!? Kg7 67.h5 Kg8+-) 66...f2 67.Rf3 Rb2 68.Ke5 (better 68.Kg5!? Kh8+-) 68...Kh6 69.Rf8 (better 69.Rf4!? Ra2 70.Kd4 Kh5 71.Bf3 Kh6+-) 69...Kh5 (69...Rb5 70.Ke6 Rb6 71.Kd5 Rb5 72.Kd4+-) 70.Bd3 (70.Rh8!? Kg4 71.Bd3+-) 70...Kh4+- 71.Ke4 Kg3 72.Ke3 Kh2 73.Be2 (73.Rf2?! Rf2 74.Kf2=) 73...Kg1 (73...Kg3 74.Rf3 (74.Rf2?! Rb3 75.Bd3 Rd3 76.Kd3 Kf2=) 74...Kh4 75.Rf2+-) 74.Rg8 (74.Rf2?! Rb3 75.Bd3 Rd3 76.Kd3 Kf2=) 74...Kh2 75.Kf2 Rb3 76.Rc8 Ra3 77.Rc5 Rb3 78.Rc6 Ra3 79.Rg6 Rb3 80.Bd1 Rb2 81.Be2 Rb3 82.Rg8 Ra3 83.Rg2 Kh1 84.Rg5 Kh2 85.Rd5 Rb3 86.Rg5 Ra3 87.Rg7 Rb3 88.Bc4 Rb2 89.Kf3 Rc2 90.Bd3 Rc3 91.Rd7 Ra3 92.Rh7 Kg1 93.Rd7 Kh2 94.Rd4 Kg1 95.Rd8 Kh2 96.Kf2 Ra2 97.Be2 Ra3 98.Rc8 Rb3 99.Rd8 Ra3 100.Bc4 Kh3?? (better 100...Rg3+-) 101.Rd4 Kh2 102.Be6 (102.Be6 Rf3 103.Kf3 Kg1 104.Kg3 Kf1 105.Bg4 Ke1 106.Rd1) 1–0. Nabelek,M (2270) – Bures,M (2100), TCh–CZE, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6 10.Bh6 gh6)

    11.h4 Rg8 12.g3 Bd7 13.Qd2 Bf8 14.Na3 (14.Qb2 b6=) 14...Ba3 (14...a6!?=+) 15.Ra3+= Qe7 16.Ra2 Qg7 17.0-0 (17.Qd1 b6=) 17...0-0-0 (17...b6 18.Kh2=) 18.Kh1 (18.Rfa1 Rdf8 19.Kf1 f4=+) 18...Rdf8= 19.Rg1 Be8 20.Raa1 (20.Bb5 a6 21.Be2 Kd8=) 20...Bh5 21.Nh2 Bg4 (21...f4 22.g4 (worse 22.gf4 Qe7=+) 22...Be8 23.h5+=) 22.Qf4 (22.Bb5 Rf7+=) 22...Kb8 (22...a6 23.Rgb1= (worse 23.Ng4 Qg4 24.Kh2 Qf4 25.gf4 Rg1 26.Rg1 Kd7-/+)) 23.Rgb1+= Ka8 24.Bb5 (worse 24.Ng4 Qg4 (worse 24...fg4 25.Qd2=) 25.Qg4 fg4-/+ (worse 25...Rg4 26.Kg2=)) 24...Ne7 (24...Rc8 25.Qe3+= (25.Ng4 Qg4 26.Qe3 f4 27.Qf4 Qf4 28.gf4 Rg4-/+)) 25.Qc1 (25.c4 Be2 26.Qc1 Rd8+-) 25...Nc8+= 26.Qf4 ½–½. Pickersgill,A (2040) – Goodger,M (2160), Masters Hastings ENG, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f5)

    11.h4 Rg8 12.Rh2 Bd7=.

    8.d4 f6

    9.Ba3 Ba3 10.Na3 Nh6 11.Bd3 Bd7 12.0-0 a6 13.ef6 Qf6 14.Qb1 Rb8 15.Re1 g6 16.Re2 0-0 17.Nc2 Nf7 18.Qe1 Rbe8 19.Ne3 Ng5 20.Ng5 Qg5 21.Qb1 Bc8 22.Qa2 b5 23.Rc1 Rd8 24.Nc2?? (24.Rce1 Qf4=+) 24...Rf7 (better 24...Qc1 25.Re1 Qd2-+) 25.Nb4?? (25.Rce1 Rdf8=+) 25...Nb8 (better 25...Qc1 26.Re1 Qe1 27.Bf1 Nb4 28.cb4 Qb4-+) 26.Re3 (26.Ra1!?=+) 26...Rdf8-/+ 27.Rg3?? (27.g3 Rf2 28.Qf2 Rf2 29.Kf2 Qd8-/+) 27...Qf4 (27...Qc1 28.Bf1 Rf2 29.Qf2 Rf2 30.Kf2-+) 28.f3?? (28.Rf1 Rf6=+) 28...Qc7 (better 28...Qc1 29.Bf1 Qc3-+) 29.Qc2 Rf6 30.h4?? (better 30.Ra1-/+) 30…Qg3-+ (30...Qg3 31.Be2 Qh4-+) 0–1. Konstacky,Matej (2025) – Jakubiec,Edyta (2210), CZE–chT2f, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Nb4 6.c3 Nc6 7.d4 d5 8.e5 f6)

    9.Ba3 fe5 10.Ne5 Ne5 11.de5 Qc7 (11...Nh6 12.Bd3-/+) 12.Bb5 Bd7 13.Bd7 Qd7 14.0-0 Ba3 15.Ra3 (15.Na3 Ne7-/+) 15...Ne7 16.Qh5 g6 17.Qg4 (17.Qf3 Nc6-/+) 17...0-0 18.h4 (18.Nd2!?-/+) 18...Rf5 (18...Nc6 19.f4 Qe7 20.Ra2-+) 19.f4 (19.c4 Nc6 20.cd5 ed5-+) 19...Rh5 (19...Qb5 20.Qf3-+) 20.g3 a6 (20...Nf5 21.Qf3-/+) 21.c4 (better is 21.Nd2-/+) 21...d4?? (better is 21...dc4 22.Nc3 Qc6-+) 22.Rd3 (22.Nd2 Qc6=) 22...Rd8 (22...Qc6 23.Rd4 Nf5 24.Rd3+=) 23.Nc3 (23.Nd2 Kg7=) 23...Qc6+= 24.Re1 (24.Qf3 Qc4 25.Ne4 Rf8+=) 24...Qc4 25.Qf3 (25.Ne4 Kf8 26.Red1 Nc6+=) 25...Rf5 (better is 25...Rf8 26.Ne2 Re5-+) 26.g4?? (better is 26.Ne4!? Qc6 27.Red1+=) 26...Rff8 (better is 26...Rf4! 27.Qf4 Qd3-+) 27.Ne4 Nd5 28.f5 ef5 (better is 28...gf5 29.Nd6 Qc5 30.gf5 Rd7-+) 29.gf5?? (better is 29.Nd6 Qc5 30.gf5-/+) 29...Rf5-+ 30.Qd1 Nf4 31.Rc3 (31.Qb3 b5 32.Nd6 Qb3 (32...Nd3 33.Nc4 Ne1 34.Nd6 Kf8 35.Nf5 gf5 36.Qe6 Nf3 37.Kf2 Ne5 38.Qe5+-) 33.Rb3 Rh5-+) 31...Qe6 (better is 31...dc3 32.Qd8 Kg7 33.Ng5-+) 32.Ng5 (32.Nf6 Kf8 33.Nh7 Kg7 34.Rc7 Rd7 35.Rd7 Qd7-+) 32...Qe7 (better is 32...Qd5 33.Rc2 d3 34.Rd2 Re5 35.Re5 Qe5 36.Qb3 Rd5 37.Kf2 Qd4 38.Kf3-+) 33.Qb3 Kg7 34.Rf3 (34.Qa3 Re8 35.Qe7 Re7-+) 34...Rdf8 (better is 34...d3 35.Kh1 b5-+) 35.Rf4 (35.Re4 Kh8 36.Qa3 Qa3 37.Ra3-+) 35...Rg5 36.hg5 Qg5 37.Kh2 Rf4 38.Qb7 Kh6 39.Qg2 Rh4 40.Kg1 0–1. Scharlau Pereira,Tiago (1765) – Hille,Willian Henrique (1745), Florianopolis BRA, Ribeiro Neto Mem, 2014. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Nf3 f6)

    9.Ba3 Nh6 10.Be7 (10.ef6 gf6 11.Be7 Qe7=+) 10...Qe7 11.Bb5 (11.ef6 gf6 12.Bb5 Bd7=+) 11...Bd7 12.0-0 (12.ef6 gf6 13.0-0 a6=+) 12...0-0 (12...Ne5!? 13.Bd7 Nd7 14.Nbd2-/+) 13.Bc6 (13.ef6 Rf6 14.Nbd2 Nf5-/+) 13...Bc6-/+ (worse 13...bc6 14.Nbd2=+) 14.Nbd2 (14.ef6 Rf6 15.Ne5 Bb5-/+) 14...Nf7 (14...a5 15.ef6 gf6 16.c4-/+) 15.ef6 (15.Nb3 Ng5 16.ef6 Nf3 17.Qf3 Rf6-/+) 15...Qf6 16.Ne5? (better 16.Qe2-/+) 16...Ne5-+ 17.de5 Qe5 18.Nf3 (18.Re1 Qc3 19.Re6 Qd4-+) 18...Qf5 (18...Qc3!? 19.Qe2 Qf6 20.Ne5-+) 19.Qd4 (19.Nd4 Qf6 20.f4-+) 19...Rae8 (19...a5 20.Qc5-+) 20.Rfe1 (20.Ra7!? e5 21.Qe3-/+) 20...a6-+ 21.Re5 (21.Ne5 Bb5-+) 21...Qf6 (21...Qg6 22.Rg5 Qf6 23.Re5-+) 22.Qg4 (22.Qe3 Qf4-/+) 22...Bd7 (better 22...Qf4 23.Qf4 Rf4-+) 23.Rg5? (23.Qb4 Bb5-+) 23...Bc8 (better 23...Rc8-+) 24.Ne5?? (better 24.Re5-+) 24...h6 (24...Qf2 25.Kh1 Qf1 26.Rf1 Rf1) 25.Rg7-+ Qg7 26.Qe2 (26.Qd4 Bd7-+) 26...Rf5 27.Nd3 (27.Re1 a5-+) 27...Bd7 28.Rc1 (28.Qd2 Bc6 29.g3 d4-+) 28...Bc6 (28...Bb5 29.Rc2-+) 29.f4 (29.g3 Bb5 30.Qe3 e5-+) 29...Kh7 (better 29...Bb5 30.Qe3-+) 30.c4 (30.g3 a5-+) 30...dc4 31.Rc4 (31.Ne5 Rf4 32.Nc6 bc6 33.Qc2 Qg6-+) 31...Rg8 (better 31...Bb5!? 32.Qe4 Bc4 33.Qc4-+) 32.Ne1 (32.g3 Qa1 33.Qe1 Qa2 34.Rc6 bc6-+) 32...Bd5 33.Rb4 (33.Ra4 b5 34.Re4 Be4 35.Qe4 Qg4-+) 33...Qg4 (better 33...Qc3 34.Re4-+) 34.Qg4 (34.Qd2 a5 35.Rd4 Bc6-+) 34...Rg4 35.g3 h5 (35...e5!? 36.Nd3-+) 36.Kf2 (36.Nc2 Rf8-+) 36...h4 (better 36...e5 37.Nd3 h4 38.Rb1 ef4 39.Nf4-+) 37.Nf3 (37.Nc2 a5 38.Rd4 hg3 39.hg3 Rf8-+) 37...hg3 38.hg3 a5 (better 38...e5 39.Nh2 Rg6 40.Nf3 ef4 41.gf4-+) 39.Ra4 Bf3 (39...b6 40.Ra1-+) 40.Kf3 Rg7 41.Re4 (41.g4 Rc5-+) 41...b5 (better 41...e5!? 42.Ra4-+) 42.Re6 Ra7 (better 42...Rc5 43.Ra6 a4-+) 43.Rb6 (43.Ke4 Rc5 44.Kd4 Rc4 45.Kd5 a4-+) 43...a4 44.g4 (44.Rd6 a3 45.g4 Rc5-+) 44...Rc5 45.g5 a3 46.g6 (46.Rh6 Kg7 47.Rh1-+) 46...Kg7 47.Kg4 (47.Rd6 a2 48.Rd3 a1Q 49.Kg4 Qg1 50.Rg3 Qd1 51.Rf3 Ra3 52.f5 Qf3 53.Kg5 Rf5 54.Kh4 Qe4) 47…a2 (47...a2 48.f5 a1Q 49.Rb7 Rb7 50.Kg3 Qg1 51.Kf3 Rc3 52.Kf4 Qe3 53.Kg4 Rc4 54.Kh5 Qh6) 0–1. delightful_porridge – whitecat25, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.Nf3 f6)

    9.Bb5 Bd7 10.0-0 fe5 11.Bc6 (worse 11.de5 Ne5 12.Bd7 Nd7-/+) 11...Bc6 12.Ne5 Nf6 13.Bg5 (13.Nc6 bc6 14.Qe2 Bd6=) 13...0-0 14.Nd2 h6 (14...Bb5 15.Re1=+) 15.Bh4 (15.Nc6 bc6 16.Bh4 Bd6=+) 15...Kh7 (15...Bb5!? 16.Re1 Bd6=+) 16.Qc2 Ne4?? (better 16...Kg8=) 17.Be7+- Qe7 18.f3 Bb5 (18...Kg8 19.fe4 (19.Ne4?! de4 20.Nc6 bc6+-) 19...Rf1 20.Rf1+-) 19.Rfb1 (worse 19.fe4 Bf1 20.Nf1 Kg8+-) 19...Ba6 20.fe4 de4 (20...Kg8+-) 21.Qe4 (better 21.Ne4 Kg8 22.Ng6+-) 21...Rf5 (21...Kg8 22.Ng6 Qf7 23.Nf8 Rf8+-) 22.g4 (22.Ra6 ba6 23.Qa8 Qg5+-) 22...Raf8 23.gf5 Qg5 (23...ef5 24.Qg2+-) 24.Qg2 Rf5 (24...ef5 25.Qg5 hg5 26.Nb3+-) 25.Qg5 Rg5 26.Kf2 (better 26.Kh1!? Rh5+-) 26...Rf5 27.Ndf3 g5 (27...Kh8 28.Ke3 Kg8 29.Nd7+-) 28.Ke3 1–0. Kutalek,Jan (1705) – Szpalek,Martin, Karvina CZE, Primator Cup, 2014. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.d4 e6 5.Nf3 d5 6.e5 f6 7.ab4 Bb4 8.c3 Be7)

    9.Bb5 Bd7 10.Qe2 Qb6 11.Bd3 Nh6 (11...f5 12.0-0=) 12.Bh6= gh6 13.ef6 Bf6 14.0-0 0-0-0 (14...0-0!?=) 15.Na3+- e5? (better 15...Rdf8+-) 16.Rfb1+- (16.Ne5?! Ne5 17.de5 Rde8+-; 16.de5?! Rde8 17.Rfb1 Qc5+-) 16...Qc7 17.Nb5 Qb8 18.de5 (18.Ne5 Be5 19.de5 Rde8+-) 18...Be5? (better 18...Rde8+-) 19.Ne5 Qe5 20.Na7 Kc7 21.Nb5 (better 21.Qb2 Rdg8 22.Qb7 Kd6 23.Nb5 Ke7+-) 21...Kb8 22.Qa2 Kc8 1–0. Zimniok,Lubomir – Kozelsky,Marek, Orlova Open, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7)

    9.Bb5 Bd7 10.ef6 Nf6-/+ 11.0-0 Ne4 (11...0-0 12.Nbd2-/+) 12.Bd3=+ Nd6 (12...0-0 13.Qc2=+) 13.Na3 (13.Qc2!?=) 13...0-0-/+ 14.Nc2 Nf7 (14...Qc7!?-/+) 15.Ne3=+ a6 16.Qc2 h6 17.Ng4 Rc8 18.Qa2 Qc7 19.Bb1 (better 19.Qe2=+) 19...e5 (19...Nd6 20.Qe2-/+) 20.Nge5 (20.Ne3!? Be6 21.Nd5 Bd5 22.Qd5+-) 20...Nfe5 (20...Nce5 21.de5 Qc3 22.Be3=+) 21.de5= Ne5 22.Qd5 Nf7 23.Qd3 Rfe8 24.Bd2 Bf6 Attacking the isolated pawn on c3 25.Nd4 Rcd8 26.Qh7 Kf8 27.Ba2 Qc5 28.Qg6 Ne5 29.Qg3 Nc4 30.Bf4 g5 (30...Bc6 31.Be3 Ne3 32.fe3=) 31.Be3 (31.Bc4 Qc4 32.Bc7 Kf7 33.Bd8 Rd8+-) 31...Ne3 (31...Qc8 32.h4 b6 33.hg5 hg5 34.Bg5 Bd4 35.cd4+-) 32.fe3 Kg7 33.Qf3 Qe5 34.Rae1 Re7 (34...Bc8 35.Bb1 Rf8 36.Qd1=) 35.Kh1 (35.Qb7!? Rc8 36.Qb2+=) 35...Qe4?? (better 35...b5=) 36.Qf6 (36.Qf6 Kh7 37.Bb1 Rg8 38.Qe7 Kh8 39.Be4 Bf5 40.Bf5 Rg6 41.Bg6 a5 42.Rf8) 1–0. Shirov,Sergey (2025) – Sviridova,Olga (1990), Tambov RUS, 2012. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 a6 10.0-0 b5 (better 10...Ra7!?=) 11.Bb5+= Bb7 (11...ab5 12.Ra8 Pinning (12.Ra8 Deflection)) 12.Bd3 Nh6 (12...fe5!? 13.Ne5 Ne5 14.de5 g6+-) 13.ef6+- Bf6 14.Qe2 Bc8 15.Ng5?? (better 15.Bh6 gh6 16.Ba6+-) 15...Bg5-/+ 16.Qh5? (better 16.Bb5 Kd7 17.Re1-/+) 16…Nf7-+ 0–1. Capron,Daniel (2070) – Lengert,Martin (1910), St Chely d'Aubrac op 5th, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 a6 10.h4 Rb8 11.Rh3 f5 12.Rg3 Kf8 13.h5 b5 14.Kf1 Qe8 15.h6 Nh6 16.Bh6 gh6 17.Qd2 Qf7 18.Qh6 Ke8 19.Nbd2 Rg8 (better 19...b4!? 20.cb4 Nb4-/+) 20.Rg8+= Qg8 21.Bf5 ef5 22.Qc6 Kf8 23.Qc7 Ra8 24.Qc6 Rb8 25.Qc7 ½–½. Huibers,Peter (2040) – Werbeck,Torsten (2265), Gent, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f6 6.d4 Nc6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 g6 10.h4 f5 (10...fe5 11.de5 Qc7 12.Qe2=+) 11.g4 (11.Ba3 Bd7=) 11...Bf8 (11...fg4 12.Ng5 Nh6 13.Nh7=) 12.gf5 ef5 13.h5 Bg7 (13...Nge7 14.Na3 Be6 15.Nb5+-) 14.Na3+= Nh6 15.hg6 hg6 16.Ke2 (16.Nb5 Nf7 17.Rh8 Bh8+-) 16...Be6 (16...a6 17.Nb5 Nf7 18.Rh8 Bh8 19.Qh1+-) 17.Nb5 Kd7 18.Nd6 Rb8 (18...Qc7 19.Qb3 Nf7 20.Rh8 Rh8 21.Nb7+-) 19.Bb5 Qb6 20.c4 a6 21.Ba4 Ng4 (21...Qc7 22.Ng5 Bg8 23.Bf4=) 22.Rf1 (22.Rh8 Rh8 23.c5+-) 22...Bf8= (worse 22...dc4 23.d5 Nge5 24.dc6 (worse 24.de6 Ke6 25.Bc6 bc6 26.Ne5 Be5 27.Nc4 Qc5+=) 24...Kc7 25.Ng5+=) 23.c5 Qc7 24.Ng5 Be7 25.Ne6 Ke6 26.Bb3 Rh3 (worse 26...Bd6 27.Bd5 (27.cd6? Qb6 28.Be3 Rh3-+) 27...Kd7 28.cd6+-) 27.Be3 (better 27.Ra3 Rbh8 28.Qd2 Bd6 29.ed6=+) 27...Bd6?? (better 27...Na5 28.Bc2 Ne3 29.fe3 Nc4 30.Nc4 dc4=) 28.Bd5+- (28.cd6 Qb6 29.Ra4 Qb5 30.Kd2 Ne3 31.fe3 Rh2 32.Kc1 Na5 33.Ra5 Qa5-+; 28.ed6?! Qh7 29.Bd5 Kd7+=) 28...Kd7 (28...Kd5 29.Qb3 Deflection (29.cd6 Zwischenzug)) 29.ed6 Qd8 (29...Qc8 30.Rh1 Ne3 31.fe3 Rh1 32.Qh1+-) 30.Rh1 Qh4 31.Rh3 Qh3 32.Qh1 Nh2? (32...Qh5 33.Bc6 bc6 34.Qh5 gh5 35.Ra6+-) 33.Bc6 (33.Rb1!? Qh5 34.Kd3 Na5+-) 33...bc6 34.Ra6 Qh5 (34...Rb2 35.Kd3 Qf3 36.Ra7 (36.Qh2?? Qe2 37.Kc3 Qc2) 36...Kc8 37.Qf3 Nf3 38.d5+-) 35.Kd3 Ng4?? (35...Nf3 36.Ra7 Ke6 37.Re7 Kf6+-) 36.Qc6 Ke6 37.d7 Kf7 38.Qe6 (38.d8N Kf8 39.Qd6 Kg8 40.Qe6 Kh8 41.Qe8 Kg7 42.Ra7 Rb7 43.Rb7 Kf6 44.Qf7) 38...Kg7 (38...Kf8 39.Qd6 Kf7 40.d8N Kg8 41.Qe6 Kh8 42.Qe8 Kg7 43.Ra7 Rb7 44.Rb7 Kf6 45.Qf7) 39.Qe7 (39.Qe7 Kg8 40.d8Q Rd8 41.Qd8 Kf7 42.Ra7 Ke6 43.Qd6) 1–0. Hoiberg,Nina (2285) – Widjajanti,L, Thessaloniki ol (Women), 1988. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    9.Bf4 Qb6 10.Qc2 Bd7 11.Bd3 f5 12.h4 0-0-0 (better 12...Rc8!?=+) 13.0-0+= Nh6 (13...Rf8 14.Na3+=) 14.Nbd2 Nf7 15.Rfb1 Qc7 16.Qb2 Be8 (16...Bh4 17.Nh4 g5 18.Bg3+-) 17.Bb5 (17.c4 Nb4 18.Be2 b6+-) 17...Kb8 (17...a6 18.Bd3+=) 18.Qa2 (18.c4 Nb4 19.Qa3 a5 20.Be8 Rhe8+-) 18...b6+= 19.Nb3 Ka8 20.Ba6 (20.Rc1 Rc8+=) 20...Nb8 (20...h6 21.Bh2=) 21.Bd3 (21.Nc5 Bc5 22.dc5 b5+-) 21...Qc3?? (better 21...Nc6+=) 22.Qa7 1–0. Nemet,V – Balogh,M, HUN–ch U10 Paks, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    9.Bf4 fe5 10.Ne5 Ne5 11.Be5 Nf6 12.Bd3 0-0 13.0-0 Bd6 14.Nd2 Be5 15.de5 Nd7 16.Qh5 g6 (16...h6!?=+) 17.Bg6= hg6 18.Qg6 Kh8 19.Qh6 Kg8 20.Qe6 Kg7 21.Qd5 Qe7 22.Rae1 (22.Nc4 Nc5+=) 22...Rd8 (22...Nc5 23.Nc4 Be6 24.Qd4=) 23.Qf3 Qg5 (23...Nc5 24.Nc4=) 24.Nc4+= Rf8 25.Qd5 Rd8 (25...Rf4 26.Re3 Qg6 27.e6+-) 26.Re3 (26.Nd6 Nb6 27.Qf7 Kh8+-) 26...Nb6 27.Qe4 Bf5 28.Qb7 Kf8?? (better 28...Rd7 29.Qa6 Qh6+-) 29.Nb6 ab6 30.Qb6 (better 30.Rg3 Qh6 31.Rf3+-) 30...Qf4?? (30...Rab8 31.Qc5 Qe7 32.Qe7 Ke7+-) 31.Qf6 Ke8 (31...Kg8 32.Rh3! Bh3 33.Qf4+-) 32.Rf3 (better 32.e6 Qc7 33.e7+-) 32...Qd2 (32...Qc4 33.Rf5 Qg8+-) 33.Rf5 Kd7 (33...Qd5 34.Qg7 Qg8 35.Qg8 Kd7 36.Rd1 Kc6 37.Qc4 Kb6 38.Rb1 Ka5 39.Qb5) 34.Qf7 Kc8 (34...Kc6 35.Qc4 Kb6 36.Rb1 Qb2 37.Rb2 Ka5 38.Qb5) 35.Qc4 Kb8 36.Rb1 (36.Rb1 Qb2 37.Rb2 Ka7 38.Qa4) 1–0. Lacau Rodeanu,Iulia – Van der Merwe,CH, Wch U12 Girls, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    9.Bf4 fe5 10.Ne5 Ne5 11.Be5 Nf6 12.Bd3 0-0 13.0-0 Bd6 14.f4 Qc7 15.Na3 Bd7 16.c4 Qc6 17.Qb1 (17.c5 Be7=) 17...Ba3=+ 18.Bf6 Rf6 (18...dc4 19.Bh7 Kh8 20.Bg7 Kg7 21.Qg6 (21.Ra3?! Kf7+-) 21...Kh8 A) 22.Ra3?! Qd5 23.Rf2 A1) 23...Qd4 24.Qh5 Be8 25.Bg6 Kg7 26.Rg3 Rf4 27.Bf7 (worse 27.Be8 Kf8 28.Qh6 Ke8 29.Qf4 Qf4 30.Rf4 Ke7 31.Rc4 Kd6+-) 27...Kf8 28.Qh6 Kf7 29.Qh7 (29.Qf4?! Qf4 30.Rf4 Ke7=) 29...Kf6 30.Qg7 Kf5 31.Qd4+-; A2) 23...Qf5+=; B) 22.Qh6+-) 19.Ra3 g6 20.c5 Qc7 21.g3 Bc6 22.Re1 Kh8 23.Bf1 Kg7 24.Bh3 Attacking the backward pawn on e6 ½–½. Baer – Gysi, OF Germany, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    9.Bf4 f5 10.Bd3 Bd7 11.Na3 a6 12.h4 h6 13.h5 Bg5 14.Qd2 (14.Bg5 hg5 15.Qb3 g4=+) 14...Bf4=+ 15.Qf4 Nge7 16.Nh4 b5 17.Nc2 Qb6 Black prepares the advance b4 18.0-0 0-0 19.g4 b4 (19...fg4!? 20.Qg4 Rf7=+) 20.cb4= Nb4 21.Nb4 Qb4 22.gf5 ef5 (22...Nc6 23.Ng6 Rf7 24.Rfd1=+) 23.Kh1 (23.Rfb1!? Qc3 24.Ba6+=) 23...Qc3 24.Ba6 (better 24.Qe3!?=+) 24...Bb5!-/+ 25.Rfc1 (25.Bb5 Ra5 Double attack (25...Ra1 Pinning; 25...Ra1 Deflection; 25...Ra5 Decoy)) 25...Qh3-+ 26.Kg1 Ra6 27.Rab1 (27.Ra6 Ba6 28.Qg3 Qg3 29.fg3 Be2-+) 27...Rc6 (27...Be2 28.Rb7 Re8 29.Re7 Re7 30.Qf5 Qg4 31.Qg4 Bg4 32.Rc5-+) 28.Re1 Qd3 29.Red1 Qc2 30.Rdc1 Qa4 31.Re1 Bd3 32.Ra1 Qb4 33.Qe3 Rc3 34.Qf4 (34.Rec1 Rb3 35.Rc7 Be4-+) 34...Be4 35.f3 (35.Red1-+) 35...Qd4 36.Kh1 (36.Kg2 Bf3! 37.Qf3 Rf3 38.Nf3 Qg4 39.Kf2-+) 36…Bf3! (36...Bf3 37.Qf3 Qh4 38.Kg2 Rf3 39.Kf3 Rb8-+) 0–1. Brenc,Tomislav – Res,Rudi, ch–CRO (team) Pula CRO, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7)

    9.Nh4 g6 10.Nf3 fe5 11.de5 Qc7 12.Bb5 Bd7 13.Qe2 Bf8 14.h4 Bg7 15.Bf4 Nge7 16.Nbd2 (better 16.h5-/+) 16...0-0-0 (16...0-0!? 17.Bg3 Nf5-/+) 17.0-0 (17.h5 Rhf8 18.h6 Be5 19.Be5 Ne5 20.Bd7 Nd7 21.Ra7 Qc3=+) 17...Kb8 (17...Rdf8!? 18.Bg5 Ne5 19.Ne5 Bb5 20.Qb5 Be5 21.Ra7 Nc6 22.Ra8 Kd7 23.Rf8 Rf8=+) 18.Rfb1= Nf5 19.Nb3 Rdf8 (better 19...Ka8!?+=) 20.Nc5+- Ka8 21.Qa2 (better 21.Bc6 Bc6 22.Ne6+-) 21...Bc8?? (21...Nh4 22.Nh4 Rf4 23.Bc6 bc6+-) 22.Bc6+- bc6 23.Rb7!! (23.Rb7 Qb7 24.Nb7 a6 25.Qa6 Kb8 26.Qa8 Kc7 27.Ra7 Kb6 28.Qb8 Rf7 29.Nd6 Bb7 30.Rb7 Rb7 31.Qb7 Kc5 32.Qb4) 1–0. Christensen,Bo (2245) – Rasmussen,Uffe (2120), Politiken Cup, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    9.Bd3 Qc7

    10.0-0 Bd7 11.Bf4= Nh6 12.Na3 (12.Re1 0-0=) 12...Nf7 (better 12...Ba3 13.Ra3 Nf7=) 13.h4 (13.Nb5 Qb8=) 13...g5 (better 13...fe5!? 14.de5 0-0-/+ (14...Nce5? 15.Ne5 Bd6 16.Nf7 Kf7 17.Bd6 Qd6 18.c4+-; 14...Nfe5? 15.Ne5 0-0 16.Qh5+-)) 14.hg5 fe5 (worse 14...Ng5 15.Nb5 Qb8 16.Bg5 fg5 17.Ng5+-) 15.de5 0-0-0 (15...Nce5 16.Nb5 Bb5 17.Bb5 Kd8 18.Ne5 Ne5+-) 16.Nb5+- Qb8 17.Re1 (17.c4 a6 18.cd5 ed5+-) 17...Rdg8 g5 draws heavy fire 18.Qd2 (18.c4 a6 19.cd5 ed5+-) 18...Rg7 19.Nfd4 Ng5 20.Bg5 (20.Nc6!? Bc6 21.Na7 Kd7 22.Kf1+= (22.Nc6?? Nf3 23.Kh1 Qe8-+)) 20...Bg5= (worse 20...Rg5 21.Nd6 Bd6 22.Nc6 (22.Qg5?! Ne5 23.Qg7 Re8+=; worse 22.ed6 Rhg8-/+) 22...Bc6 23.Qg5+- (23.ed6 Rhg8-/+)) 21.f4 Be7 22.Nc6 bc6 23.Na7 Kd8 24.Reb1 (24.Qf2 Rhg8 25.Reb1 Qc7=+) 24...Bc5-/+ 25.Kf1 (better 25.Kh2!? Qc7 26.Ba6 Qa7 27.Bb7 Bg1 28.Kh1-/+) 25...Qc7-+ 26.Qa2 Rf8 27.Qa5 (better 27.f5!? Rg3 28.Qa5 Qa5 29.Ra5 Rd3 30.f6-+) 27...Rf4 28.Ke1 Qa5 29.Ra5 Bf2 30.Kd1 Rg2 (30...Rh4 31.Rb7 Rg2 32.Bf1-+) 31.Rb7 Ba7?? (31...Rfg4 32.Ra6 Be3-+) 32.Raa7= Rf7 33.Rb8 Ke7 34.Rbb7 Ke8 35.Rb8 Ke7 ½–½. Weng,Annegret (2175) – Heyme,Sibylle (2090), BL9899 (Women), 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.0-0 fe5 11.de5 Ne5 12.Bf4 Nf3 13.Qf3 Bd6 14.Qh5 Kf8 15.Bg5 (15.Bd6 Qd6 16.Re1 Nf6-/+) 15...Qf7 (15...Nf6 16.Qh4 Kf7 17.Rc1-+) 16.Qe2 (16.Qh4 e5-/+) 16...Nf6 17.h3 e5 18.Be3 (18.Rd1 Be6-+) 18...Nh5 (18...e4 19.Bc2-+) 19.Na3 (19.Ra5 Be6-/+) 19...e4 20.Be4 (20.Bc2 Nf4 21.Qd1 Nh3 22.Kh1 Nf4-+) 20...de4 21.f3 (21.Nc4 Nf4 22.Bf4 Qf4 23.Nd6 Qd6 24.Qe4-+) 21...Ng3 22.Qd2 (22.Qd1 Qe7 23.Re1 Ba3 24.Ra3 Qa3 25.Qd8 Kf7 26.Qh8 ef3-+) 22...Qe7 (22...Nf1?! 23.Qd6 Qe7 24.Qe7 Ke7 25.Rf1 ef3 26.Bc5 Kd7 27.Rf3-+) 23.Rfd1 Nf5 24.Bg5 Qe5 (24...Ba3 25.Be7 Be7 26.fe4+=) 25.Bf4 Qc5 (25...Qf4 26.Qf4 Bf4 27.Rd8 Kf7 28.Rh8 ef3 29.gf3-+) 26.Kh2 (26.Kh1 Ke7 27.fe4 Ng3 28.Bg3 Bg3-+) 26...ef3 (better 26...Be5 27.Be5 Qe5 28.f4 Qe8-+) 27.Bd6 Qd6 28.Qd6 Nd6 29.Rd6 Ke7 30.Rd3 fg2 31.Re1 Kf6 32.Nc4 Be6 (32...Bf5 33.Rd6 Kg5 34.Rd5-+) 33.Rf3 Bf5 34.Ne3 (34.Nd6 g6-+) 34...g6 35.Kg2 Rhd8 36.Kg3 h5 37.c4 (37.Nf5 gf5 38.Rb1 h4 39.Kh4 Rg8-+) 37...Re8 (37...h4 38.Kh4 Rh8 39.Kg3 Rh3 40.Kg2-+) 38.Ra1 (38.Nd5 Kg7 39.Re8 Re8 40.Ra3-+) 38...Re5 (better 38...h4!? 39.Kf2 Rf8-+) 39.Nd5-/+ Kg7 40.Nb6 (40.Rb3 h4! 41.Kh2 Re2 42.Kg1 a5 43.Rb7 Kh6-/+) 40...Rd8 (better 40...h4!? 41.Kf2 Rd8-+) 41.Ra7-/+ Be4 42.Re3 Kf6 43.h4 (43.Ra2 Rd4-/+) 43...Bc6 (43...g5 44.Ra8 Rd4 45.hg5 Rg5 46.Kf2 Rg2 47.Ke1-+) 44.Rb3 (44.Re5!? Rd3 45.Kh2 Ke5 46.Ra1-+) 44...Rd4-+ 45.Nd5 Kg7 46.Rbb7 (better 46.Rab7 Bb7 47.Rb7 Kh6 48.Nf6-+) 46...Bb7 47.Rb7 Kf8 (47...Kh6 48.Nf6 g5 49.Ng8 Kg6 50.Ne7 Kf6 51.Nd5 Kf5 52.Rf7 Kg6 53.Rf6 Kg7 54.Rc6 Rh4 55.Rc7 Kg6 56.Kf3-+) 48.Rb8 (48.Nf4 Ke8 49.Rb8 Kf7 50.Rb7 Kg8 51.Rb8 Kh7 52.Rb7 Kh6-+) 48...Re8 49.Rb6 Rg4 50.Kf3 Rc4 51.Rg6 Rh4 52.Nf4 Re1 53.Kg3 Rhh1 54.Ng2 Reg1 55.Kf2 Kf7 56.Rh6 Kg7 57.Ra6 Ra1 58.Re6 (58.Ra1 Ra1 59.Nh4 Kf6-+) 58...Ra2 59.Re2 Re2 60.Ke2 Kf6 61.Kf3 Kg5 Black prepares h4 62.Ne3 Rh3 63.Kf2 h4 64.Nf1 Kf4 65.Kg2 Rd3 66.Kf2 h3 67.Kg1 Plans Rc3 67...Rd1 68.Kf2 Ra1 69.Nh2 Ra2 70.Kg1 Rg2 71.Kh1 Rf2 72.Kg1 Kg3 73.Ng4 (73.Nf1 Rf1! 74.Kf1-+) 73…Ra2 (73...Ra2 74.Nh2 Rh2 75.Kf1 Rf2 76.Ke1 h2 77.Kd1 h1Q; 73...Rg2 74.Kf1 Kg4 75.Ke1 h2 76.Kf1 h1Q) 0–1. Tkhelidze,Merab (2150) – Kubala,Martin (2295), Decin op–A, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.0-0 fe5 11.Ne5 Nf6 12.f4 0-0 13.Rf3 Bd7 14.Rh3 Be8 (14...h6 15.Ba3=+) 15.Nd2 (15.Qe1 Bf7=+) 15...g6 16.Ndf3 (16.Ba3 Ba3 17.Ra3 Nh5=+) 16...Ne5 (16...Nh5 17.Rh5 gh5 18.Nc6 Qc6 19.Qe1-/+) 17.fe5 Ne4 (17...Nh5 18.Bh6 Nf4 19.Rg3=+) 18.Bh6 (18.Be4 de4 19.Ng5 Bg5 20.Bg5 Rf5=+) 18...Rf7 (18...Rf5 19.Be4 de4 20.Nd2=) 19.Be4= de4 20.Nd2 Bc6 21.Qg4 Qd7 (21...Bd5 22.Ne4 a5 23.Ng5 Bg5 24.Bg5=) 22.Ne4+= Be4 (22...a5 23.Ng5 Bg5 24.Bg5=) 23.Qe4 a6 24.c4 (24.Rb1 Rb8+=) 24...Bf8 (24...Rd8 25.Be3=) 25.Bd2 (25.Be3!?+=) 25...Rc8= 26.Rc1 b5 27.Qd3 (27.cb5 Rc1 28.Bc1 Qb5=) 27...bc4 28.Rc4 Rb8 (28...a5 29.Rc8 (29.Ba5?? Qa4 30.Bc3 Rc4-+) 29...Qc8 30.Re3=) 29.Rg3 (29.Bg5 Qd5 30.Bf6 a5=) 29...Qd5 (29...Rb2 30.Bc1 Rbf2 31.Bg5=) 30.h3 (30.Ra4 Be7=) 30...Rf5 (30...Ba3 31.Rg4 Qb5 32.Rf4=) 31.Rc7 (31.Ra4 Rb6=) 31...Qb5 (31...a5 32.Rg4=) 32.Qb5= ab5 (32...Rb5 33.Rgc3 Rb1 34.Kh2+=) 33.Rc6 (33.Rb3 Rf7 34.Rc6 Rd7+=) 33...b4 (33...Rd8!? 34.Rg4 Kf7=) 34.Rb3+- (worse 34.Re6 b3 35.Bc3 b2 36.Bb2 Rb2-/+) 34...Rd8 35.Be3 (35.Re6?! Rd4 36.g4 Rf7= (worse 36...Rd2 37.gf5 Bc5 38.Kh1+-)) 35...Re8 36.Rb6 Rf7 ½–½. Mahdy,Khaled (2405) – Dueckstein,Andreas (2360), Vienna Waehring op–A, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.Qe2 Na5 11.Bf4 (11.Qc2 f5=) 11...f5 12.g4 (12.0-0 a6=) 12...Nb3 (12...fg4 13.Ng5=+) 13.Ra2= fg4 14.Ng5 Bg5 15.Bg5 Nh6 (better 15...h6!? 16.Be3 b6+=) 16.Bh6 gh6 17.Qg4 Bd7 (17...b6!?+-) 18.Qh5+- Ke7? (better 18...Kd8 19.Qh6 Kc8+-) 19.Qh4 Ke8 20.Qh6 Kd8 (20...Bc6+-) 21.Qg7 (21.Qg7 Re8 22.Ra3+-) 1–0. Messina,Enrico (2145) – Vespe,Francesco (1980), Bisaccia op, 2009.

    10.Qe2 Bd7 11.Na3?? (11.Bf4 f5=) 11...Rc8?? (better 11...Nd4 12.cd4 Qc3 13.Kd1 Qa1-+) 12.Nb5= Qb8 (12...Qb6!?=) 13.Ba3+- a6 (13...Rd8!?+-) 14.Bd6+- Qa8 15.Nh4 (15.Nc7 Rc7 16.Bc7 Qc8 17.ef6 Bf6=) 15...Nh6 16.Qh5 Nf7 17.Bh7 Nce5 18.de5 Bb5 19.Be7 (19.Ng6!? Rh7 20.Qh7 Nd6 21.Ne7 Ke7 22.Qg7 Nf7 23.ef6 Kd6 24.Qf7 Rc7+-) 19...Ke7 (19...Bd3! 20.Ng6 Bg6 21.Qg6 Ke7 22.Qg7 fe5=) 20.Ng6+- Kd7 21.Nh8 Nh8 22.Qg4 Rf8 (22...fe5 23.Qg7 Kd6 24.Ra3+-) 23.Bc2 (23.Rd1 f5 24.Qg3+- (24.Qg7?! Rf7 25.Qg5 Qf8=)) 23...Qb8+- 24.f4 fe5 (24...g5 25.Rd1 Ke7 26.Kd2+=) 25.Qg7 Nf7 26.Kd2 (26.c4 Bc4 27.Rb1=) 26...Ke7= 27.Bg6 ef4 28.Rae1 f3 29.gf3 Qf4 30.Re3 d4 (better 30...Qh4!? 31.Kc1 Qh6 32.Qh6 Nh6+=) 31.cd4+- Rd8 32.Qf7 Qf7 33.Bf7 Rd4 34.Kc3 Rc4 35.Kb2 Kf7 36.h4 Rb4 37.Kc2 Ba4 38.Kc3 Rb3 39.Kd4 Re3 40.Ke3 Kg6 41.Kf4 Bc6 42.Kg4 a5 43.Rd1 a4 44.Rd8 b5 45.Rd6 Bd5 46.Ra6 Bc4 47.h5 Kh6 48.Kh4 Kg7 49.Kg5 Bb3? (better 49...e5+-) 50.h6+- Kh7 51.Ra7 Kh8 52.h7 (52.h7 Bc2 53.Kh6 Bh7 54.Rh7 Kg8 55.Rb7+-) 1–0. Heidrich,Manfred (2310) – Witke,Thomas (2330), BL2–S, 1989.

    10.Kf1 fe5-/+ 11.de5 Bd7 (11...Ne5 12.Bf4 Bd6 13.Ne5+-) 12.Be3 Nh6 (12...a5 13.Bf4-/+) 13.Na3 (13.Bh6 gh6 14.Qe2 Rg8=+) 13...Ba3 (13...Ng4 14.Bd4-/+) 14.Ra3 Nf7 15.Qe2 (15.Bd4 0-0-/+ (15...Nce5?! 16.Ne5 Ne5 17.Qh5 Nf7 18.Bg7+=)) 15...0-0 (15...Nce5 16.Ne5 Ne5 17.Qh5 g6 18.Qe2-+) 16.h4 (better 16.Bf4!?-/+) 16...Nce5 17.Bh7? (17.Kg1-+) 17...Kh8 (better 17...Kh7 18.Ke1-+) 18.Bf4? (18.Ne5 A) 18...Ne5? 19.Qh5 Bb5 20.Bd3 Kg8 21.Qh7 (21.Bb5 a6 22.Kg1 Qd6+-) 21...Kf7 22.Bb5+-; B) 18...Kh7 19.Nf7 Rf7=+) 18...Qc4?? (better 18...Qc5 19.Ne5 Ne5 (19...Qa3 20.Bb1 Nh6 21.Bh6 gh6 22.Nd7 Qc1 23.Qe1 Qe1 24.Ke1=; 19...Kh7?! 20.Qc2 Kg8 21.Ra2-/+) 20.Be5 Bb5-+ (20...Qa3 21.Qh5 Qa1 22.Ke2 Qb2 23.Kd1 Qa1 24.Kd2 Qb2 25.Bc2 Kg8 26.Qg6 Rf2 27.Ke3 Qb6 28.Bd4 Qd4 29.cd4+-; 20...Kh7?! 21.Qc2 Kg8 22.Ra2-/+)) 19.Ne5-/+ Ne5 20.Be5 Qe2 (20...Bb5 21.Qc4 Bc4 22.Bd3 Bd3 23.Ke1-/+) 21.Ke2=+ Kh7 22.f4 a5 23.g4 Kg6 (23...b5!?=+) 24.h5= Kh7 25.g5 b5 26.g6 (better 26.h6 g6 27.Kd3=) 26...Kh6-/+ 27.Kf3 Rf5 28.Kg4 Bc6 (28...a4 29.Ra2-+) 29.Rh2 (29.Bd6!? d4 30.Be7 Rf4 31.Kf4 Bh1 32.cd4=+) 29...Be8 30.Bd6 Ra6?? (better 30...Bd7 31.Be5 a4-+) 31.Be7+= Bg6 32.hg6 (32.Bg5 Kh7 33.hg6 Kg6+=) 32...Kg6= 33.Bd8 (33.Rb2 e5 34.Bg5 ef4 35.Bf4 Raf6=) 33...Rc6 (33...a4 34.Bc7=) 34.Ba5 (34.Ra5!? e5 35.fe5 Rc4 36.Kg3 Rc3 37.Kg4 Rc4 38.Kg3 Re5 39.Ra6 Kf7 40.Ra7 Kg8 41.Rf2=+) 34...Rc4= Exerts pressure on the isolated pawn 35.Rf2 (35.Kg3 Rcf4 36.Re2 Rf3 37.Kg2 d4=) 35...e5=+ 36.Rb3 ef4 (36...Rcf4 37.Rf4 Rf4 38.Kg3=) 37.Rb5= f3 (37...Rg5 38.Kh3=) 38.Kg3 Rcf4? (better 38...d4 39.Rf5 Kf5 40.Rf3 Ke4 41.cd4 Rd4+=) 39.Rb6 (39.Rb4 Rb4 40.Bb4 Rg5 41.Kf3 Rf5 42.Ke3 Rf2 43.Kf2 Kf5+-) 39...Kh5 40.Rh2 Kg5 41.Rb4 d4? (better 41...Re4 42.Rf2 Re1 43.Rg4 Kf6+-) 42.Bd8 Kg6 43.Rd4 (worse 43.cd4 f2 44.Rb6 Kf7 45.Rb7 Ke8 46.Rf2 Rf2-+) 43...Rd4 44.cd4 1–0. Jensen,Find (1970) – Costello,Colin (2160), Copenhagen op16, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.Kf1 Nh6 11.Na3 (11.ef6 Bf6 12.Bh6 (12.Na3 0-0 13.Nb5 Qd7 14.Qc2 Kh8 15.Bh7 Nf5 16.Bf5 ef5) 12...gh6=+ 13.Na3 0-0 14.Nb5 Qe7 15.Qd2 e5 16.de5 Ne5) 11...Nf7 (better 11...Ba3 12.Ra3 (12.Ba3 fe5 13.de5 Ne5 14.Ne5 Qe5 15.g3 Bd7 16.Kg2 Qc3) 12...fe5 13.Bh6 (13.de5 0-0 14.Bh6 gh6 15.Qe1 Qg7 16.Qe3 Bd7) 13...e4-/+ 14.Be3 ed3 15.Qd3 0-0 16.Ng5 g6; 11...fe5 12.Nb5 Qb6 13.Bh6 gh6 14.de5 0-0 15.Qd2 Kg7 16.h4 Bd7) 12.h4? (12.ef6 Bf6 (12...gf6 13.Nb5 Qb8 14.c4 dc4 15.Bc4 a6 16.Nc3 Qc7) 13.Kg1 (13.Nb5 Qb8 14.g3 0-0 15.Kg2 e5 16.de5 Nfe5) 13...a6-/+ 14.h4 h6 15.Rh3 Bd7 16.Rg3 0-0-0; 12.Nb5 Qb8 13.ef6 gf6 14.c4 dc4 15.Bc4 a6 16.Nc3 Qc7) 12...Bd7 (12...fe5 13.Nb5 Qb8 14.de5-+) 13.Rh3? (better 13.ef6 Bf6 14.Nb5-/+) 13...fe5-+ 14.de5 Nce5 15.Bf4 Bd6 16.Nd4 (16.Nb5 Bb5 17.Bb5 Nc6 18.Bd6 Qd6 19.Bc6 bc6-+ (19...Qc6?! 20.Nd4 Qc4 21.Kg1-/+)) 16...Nd3 (16...Qc3 17.Nab5 Nd3 18.Nc3 Nf4 19.Re3=) 17.Nab5 (17.Bd6 Nd6 18.Rd3-+) 17...Bb5 (worse 17...Nf4 18.Nc7 Bc7 19.Re3-+) 18.Nb5 Qc4 (18...Nf4?! 19.Nc7 Bc7 20.Re3-+) 19.Nd6 Nd6 20.Ra4 (20.Bd6 Nf4 21.Kg1 Nh3 22.gh3 Qh4-+ (22...Qc3 23.Rc1 Qf6 24.Rc7 Qg6 25.Kh2+-)) 20...Nf2! 21.Rc4 (21.Kf2 Ne4) 21...Nd1 (21...Nc4 22.Qa4 Kd8 23.Kf2+-) 22.Rc7 (22.Rd4 0-0 23.Rf3 Rf4 24.Rdf4 Rc8-+) 22...0-0 23.g3 (23.Rf3 Nc4-+) 23...e5 24.Ke2 Nc3! 25.Rc3 ef4 26.gf4 Rae8 27.Kd1 Rf4 28.h5 (28.Rcf3 Rfe4-+) 28...Ne4 29.Rce3 d4 30.Rhf3 (30.Ref3 Nf2 31.Rf2 Rf2 32.h6-+) 30...de3 31.Rf4 Nc3 32.Ke1 Rd8 33.Kf1 Rd1 (33...e2 34.Kg2 e1Q 35.Rf2 Ne4 36.Rd2 Qg3 37.Kh1 Rd2 38.h6 Qe1) 34.Kg2-+ e2 (34...e2 35.h6 e1Q 36.Rf6 Qg1 37.Kh3 gf6 38.Kh4 Qg5 39.Kh3 Rh1) 0–1. Helin,Mikael (1950) – Spence,D (2165), Gibtelecom Masters Catalan Bay ENG, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Qc7)

    10.Bf4 Bf8 11.0-0 a6 12.Re1 Nge7 13.Na3 Rb8 14.Bg3 f5 15.c4 Nb4 16.Bf1 Ng6 17.h4 (17.Qd2 Be7=) 17...Qd8 (17...dc4 18.Nc4 f4 19.Bh2=+) 18.h5 Ne7 19.Bh4 Qd7 20.Rc1 (20.c5 b6=+) 20...Nec6 (20...dc4 21.Nc4 Ned5 22.Ncd2-/+) 21.Qd2 Qf7 22.h6 gh6 23.cd5 (23.Rb1 dc4 24.Nc4 Nd5-/+) 23...Nd5 24.Qb2 (24.Nc4 Bd7-/+) 24...Bd7 (24...Qd7 25.Nc2-+) 25.Nc4 Rg8 26.Nd6 Bd6 27.ed6 Qf8 28.Rc6 (28.Qa3 f4-/+) 28...Bc6 29.Re6 Kd7 30.Be7 Qg7 (30...Qg7 31.Re1 Ne7 32.Re7 Qe7 33.de7 Bf3+=; worse 30...Ke6 31.Qe2 Kf7 32.Ne5 Kg7 33.Bf8 Rgf8 34.Nc6 bc6 35.Qa6+-; 30...Ne7 31.Re7 Qe7 32.de7 Bf3 33.Qb3+=) 0–1. Schulze,Birgit – Elschner,Annegret (2140), GER–chT Federal Cup (Women), 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7)

    10.Bf4 g5 11.Bg3 f5 (11...Qb6 12.ef6 Nf6= (worse 12...Bf6 13.Ng5 Bg5 14.Qh5 Kd8 15.Qg5 Nge7 16.0-0+-)) 12.Ng5!+- Bg5 13.Qh5 Qf7 14.Qg5 Qg6 15.Qd2 h5 16.h4 Nh6 17.Na3 0-0 18.Qg5 Kh7 19.Bf4 Nf7 20.Qg6 Kg6 21.f3 (21.Rh3 Kh7+-) 21...Kg7+- 22.g4! fg4 (22...fg4 23.fg4 Combination; 22...hg4 23.fg4 Combination) 23.fg4 Nh6 24.Bh6 Kh6 25.g5 Kg7 26.Ke2 Bd7 27.Rhf1 a6 28.Rf6 Ne7 29.Raf1 Nf5 30.Bf5 ef5 31.Rb6 Bc6 32.Ke3 f4 (32...a5+-) 33.Kf3 (better 33.Rf4!? Rf4 34.Kf4 Rf8 35.Ke3+-) 33...a5 34.Rfb1 a4 35.Ra1 Ra5 36.Nc2 Rb5 37.Rb5 Bb5 38.Rb1 Bc6 39.Rb6 Kg8 40.Nb4 a3 41.Na2 (41.Nc6? a2 42.Ne7 Kg7-+) 41...Kg7 (41...Ba4!?+-) 42.Rb3+- Kg6 (better 42...Ra8+-) 43.Ra3 Bd7 44.Rb3 Bg4 45.Kf2 Ra8 46.Nb4 Ra5 47.Rb2 Ra1?! (47...Rb5+-) 48.Nd5 f3 (48...Kf5 49.g6 (49.Rb7?! Ra2 50.Ke1 f3 51.Rf7 Ke4+-) 49...Kg6 50.Nf4 (50.Rb7 Ra2 51.Ke1 f3 52.Rb6 Kf5 53.Rf6 Ke4=) 50...Kf5 51.Nd5+-) 49.Ne3 b5 50.d5 (better 50.Rb5 Rh1 51.Rb6 Kg7 52.Rf6+-) 50...Rh1 51.Rb5 Rh2? (51...Rh4 52.Rb7 Kg5+-) 52.Kg1 (better 52.Kg3!? Rh3 53.Kf4 f2 54.Rb6 Kg7+-) 52...Re2 53.Rb6 Kg7 54.Ng4 hg4 55.Rf6 Re5 56.c4 (better 56.Rf4 Rd5 57.Rg4+-) 56...Re1 57.Kf2 Re2 58.Kf1 Re3 59.Re6 (59.h5 g3 60.h6 Kh7 61.Rf7 Kg6 62.h7=) 59...Rc3+= 60.Re1 (60.Re7 Kf8 61.Re1=+) 60...g3=+ 61.Rd1?? (better 61.Rb1=+) 61...Rc2-+ (worse 61...Rc4 62.d6 Rh4 63.Kg1-+) 62.d6 Rh2 63.Ke1 Rh1 (63...Rh1 64.Kd2 Rd1 65.Kd1 g2-+) 0–1. Hanser,Michael (2160) – Barva,Attila (2250), Eger Agria op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Qc7)

    10.Bf4 h5 11.Bg3 g5?? (better 11...f5=) 12.ef6+- Bd6 13.f7! Kf7 (13...Qf7 14.Bd6 Deflection (14.Ng5 Zwischenzug); 13...Kf7 14.Ng5 Zwischenzug) 14.Ng5 Ke8 1–0. Sanchez,V (2230) – Gutierrez,JA (2280), Campeonato Continental Absolut, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7)

    10.Bf4 f5

    11.0-0 Nd8 12.Qb3 Bd7 13.h4 (13.Na3 Ba3 14.Ra3 Ne7+=) 13...Nf7 14.c4 Bc6 15.Nc3 Qd7? (better 15...dc4!? 16.Bc4 Bf3=) 16.cd5+- ed5 17.Rfe1 Qe6 18.Nb5 Bb5 19.Qb5 (19.Bb5?! Kf8+-) 19...Qc6 20.Qb1 Kf8 21.Rc1 Qd7 22.Bf5 (22.Bf5 Qd8 23.Qb7+-) 1–0. Schulz,M – Camphausen,Wolfgang, Bad Bertrich op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Qc7 10.Bf4 f5)

    11.0-0 h6 12.Ne1 Bd7 13.Qh5 Kf8 14.Bf5 (better 14.Nf3+=) 14...ef5?? (better 14...g5 15.Bg3 ef5=+) 15.e6!+- g6 (15...Be6 16.Bc7 Discovered attack) 16.Qg6 (16.Bc7?! gh5 17.ed7 Bd8 18.Bd6 Kf7+=) 16...Be6 17.Bc7 Nf6 18.Bd6! Ne4 (18...Bd6 19.Qf6 Double attack (19.Qf6 Deflection)) 19.Qe6 Nd6 20.Nd3 1–0. Geisdorf,Herbert – Zimmermann,Frank, Bundesliga, 1980. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7 10.Bf4 f5)

    11.g4 fg4=+ 12.Nfd2 h5 (12...g5 13.Be3-/+) 13.Bg6 Kd8 14.h3 gh3 15.Rh3 h4 16.Na3 a6 (16...Qb6 17.Qg4 Nh6 18.Qg2-/+) 17.Nb5 Qb6 18.Nd6 Bd6 19.ed6 e5 20.Bg5 Nf6 21.Rh4 Rh4 22.Bh4 ed4?? (better 22...Qb2 23.Rc1 Qa3-+ (23...ed4 24.Rb1 Qa3 25.Qh5+-)) 23.Qh5+- Kd7 24.Qh8 Kd6 25.Qg7 Nd7 26.Bg3 Nce5 27.Nf3 Qb2 (27...Qc6 28.Be5 Ne5 29.Qe5 Kc5 30.cd4 Kb6 31.Rb1 Ka7+-) 28.Be5 Ne5 29.Qe5 Kc6 (29...Kd7 30.Bf5 Kc6 31.Nd4 Kb6 32.Qd6 Ka7 33.Ra6 ba6 34.Qc7 Qb7 35.Nc6) 30.Nd4 (30.Nd4 Kb6 31.Qd6 Ka7 32.Ra6 ba6 33.Qc7 Qb7 34.Nc6) 1–0. Strekalovski,V (2130) – Botalova,Y (1965), 1st WCGD Dresden GER, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7)

    11.g4 fg4=+ 12.Ng5 Bg5 13.Bg5 Qf7 14.Qg4 Nge7 15.Rg1 Nf5 16.Na3 0-0 17.Nb5 Kh8 18.Qh3 h6?? (better 18...a6=) 19.Bf6!!+- (19.Bf6 Nce7 20.Nd6+-) 1–0. Ganbold,O (2405) – Villamayor,B (2495), 34th Olympiad, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7)

    11.g4 fg4=+ 12.Ng5 Bg5 13.Bg5 h6=+.

    11.Ng5 a6 12.Nd2=+.

    11.Ng5 Bg5 12.Bg5 Qf7 13.Na3 a6 (13...Qg6!? 14.Nb5 Kf7 15.Nd6 Kf8=) 14.Nb5+= Kf8 (14...ab5 15.Ra8 Pinning (15.Ra8 Deflection; 15.Ra8 Clearance)) 15.Be2 (15.0-0 Qg6 16.Bf4 h5+-) 15...h6 (15...Qg6 16.h4 h6 17.Bh5+-) 16.Bc1 g6 17.f4 (17.Nd6 Qd7+-) 17...Kg7+= 18.0-0 Nge7 (18...Qd7 19.Nd6+=) 19.Nd6 Qf8 20.Ba3 b5 (20...Qd8 21.Qe1+=) 21.Bc5 (21.Nb5 Qd8+-) 21...Bd7+- 22.g4 (22.Ra2!?+-) 22...Kg8 (22...fg4 23.Bg4 Qd8 24.Qe1=) 23.Kh1 Rh7 (23...fg4 24.Bg4 Kh7 25.Ra3=) 24.Qe1 Nd8 (24...fg4!? 25.Bg4 Rg7+=) 25.gf5+- Nf5 (25...ef5 26.Nb5! Ne6 27.Nd6+-) 26.Ne4! Qg7 (26...de4 27.Bf8 Discovered attack) 27.Nf6 Kh8 28.Rg1 (worse 28.Nd7 Qd7 29.Ra5 Qb7=+) 28...Qf7 29.Nh7 Kh7 30.Bd3 (better 30.Bb6 Nb7 31.Bd3+-) 30...Bc8? (better 30...Nb7+-) 31.Bb5!+- Bb7 (31...ab5 32.Ra8 Pinning (32.Ra8 Deflection)) 32.Bd3 Rc8 33.Bf5 (33.Qe2 Ra8+-) 33...ef5 (33...Qf5 34.Qh4+-) 34.Bd6 Ne6 35.Qg3 Rg8 36.h4 h5 (36...Ra8 37.Rab1 Bc8 38.Kh2+-) 37.Rab1 (37.Ra5 Rc8+-) 37...Qd7 38.Rb2 Qf7 (38...Bc6 39.Rgb1+-) 39.Rgb1 (39.Rb6 Bc8+-) 39...Rg7?? (39...Bc6+-) 40.Rb7 (40.Rb7 Qb7 41.Rb7 Rb7 42.Qd3+-) 1–0. Van Doren,Bas (1755) – Bootsma,Nick, ch–NED Junior, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7 10.Bf4 f5)

    11.h4 Bd7 12.Na3 Ba3 13.Ra3 Nge7 14.Ng5 h6 15.Nh3 0-0-0 (15...Na5 16.Qa1 b6 17.0-0=+) 16.Qa1 Rdg8 17.0-0 g5 18.hg5 hg5 19.Ng5 Rh4 20.g3 Rg4 21.Qc1 Ng6 22.f3?? (better 22.Be2 Rf4 23.gf4+=) 22...Nf4-+ 23.fg4 Nd3 24.Qe3 Nb2 (24...fg4?! 25.Qd3 Rg5 26.Rf8 Nd8 27.Ra7=+) 25.Ra2 Nc4 26.Qf4 Qd8 27.Nf7 Qf8 28.Nh6 Rg6 29.gf5 ef5 (29...Qh6?! 30.fg6 Qg6 31.Kf2=; worse 29...Rh6 30.fe6 Qf4 31.ed7 (31.gf4?? Rg6 32.Kh1 Re6-+) 31...Kd7 32.Rf4=+) 30.Rh2 Ne7 31.Ng4 (31.Ra1 a5-+) 31...Ng8 (better 31...Qg7!? 32.Nf6 Rg3 33.Kh1 Rc3 34.Rh7 Qh7 35.Nh7 Rh3 36.Kg2 Rh7 37.Re1-+) 32.Rh7 Be6 33.Nf6 Ne7 (33...Nf6!? 34.ef6 Qd6 35.f7-+) 34.Kg2 Rg7?? (better 34...Kd8-/+) 35.Qh6+- Rf7? (better 35...Ne3 36.Qe3 Rh7 37.Nh7 Qf7+-) 36.Rh8 Qh8 37.Qh8 Kc7 38.Rh1 (38.Ne8 Kd7 39.Rb1 b6+-) 38...Ne3 (38...b6+-) 39.Kf3 Ng6 (39...Nc4 40.Ne8 Kd7+-) 40.Qh6 (40.Qh6 Ne5 41.de5+-; 40.Ke3?! Nh8 41.Rh8 Kc6+-) 1–0. Jahn,Constanze (2175) – Schulz,Petra (2115), BL, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Qc7 10.Bf4 f5)

    11.h4 Bd7 12.Ng5 Nd8 13.Qf3 Qb6 (13...Nh6 14.Qg3 0-0 15.Nf3=+) 14.Ra2 h6 (14...Nh6 15.Qh5 Ndf7 16.0-0=+) 15.Nh3 (15.Qh5 Kf8 16.Nh3 Qb3=+) 15...g5 16.Qh5 (16.hg5 hg5 Combination) 16...Nf7 17.Bc1 Kf8 (17...a5 18.Qg6 Qc6 19.Rb2=+) 18.Qe2 (18.Ng1 g4 19.Rb2 Qa5-/+) 18...a6 (18...Qc6 19.Ba3=+) 19.Ng1 (19.Qb2 Qb2 20.Rb2=+) 19...Rc8 (19...Ke8!?=+) 20.hg5+= Bg5 21.Ba3 (21.Bg5 Ng5 22.Qh5 Ke7=) 21...Be7 (21...Ke8 22.Bc5 Qc7 23.Nh3=) 22.Nh3 (22.Be7 Ke7 23.Nh3 Qc7=) 22...Ba3 (22...Ke8 23.Nf4=) 23.Ra3 (23.Na3? Rc3 24.Qd2 Qd4-+) 23...Ne7 (23...Ke8 24.Nf4=) 24.Nf4 Rg8 (24...Ke8 25.Nh5=) 25.Qa2 1–0. Ribeiro,Romain (2015) – Hamel,Olivier (2050), 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Qc7)

    9.Bd3 fe5

    10.de5 d4 11.cd4+= Bb4 12.Bd2 Bd2 (12...Nge7 13.Be4+=) 13.Qd2 (13.Kd2?! Nd4 14.Ke1 Nf3 15.Qf3 Qg5 16.Bb5 Ke7=; worse 13.Nfd2 Qd4 14.Ra3 Qe5 15.Ne4 Nf6-/+; 13.Nbd2?! Nd4 14.Ne4 Nf5+-) 13...Qe7 (13...Nge7 14.Nc3+-) 14.0-0 Nh6 15.Nc3 Nf7 (15...0-0 16.Rfc1+-) 16.Ne4 0-0 17.Neg5 (17.Rfb1!?+-) 17...Ng5+= 18.Ng5 h6 19.Nf3 Rd8 20.Be4 Nb4 (20...Qb4 21.Rfd1+=) 21.Rfb1+- Nd5 22.Rb3 b6 (22...Rf8 23.Rba3 a6 24.Qa2+-) 23.Bd5 Rd5 24.Rb6! ab6 25.Ra8 Qb7 26.Ra1 Bd7 27.Qb2 Rb5 28.Qc2 Bc6 29.Qc4 Qd7 30.Rc1 (30.Ne1 Bd5 31.Qd3 Ra5+-) 30...Bd5 31.Qc2 Bf3 32.Qc8 Qc8 33.Rc8 Kf7 34.Rc7 Kg6 35.gf3 Rd5 36.Rc6 (36.Rc4 b5 37.Rb4 Kg5=) 36...Kf5 37.Rb6 (37.Rc4!?=) 37...Rd4=+ 38.Rb5 Kf4 39.Kg2 g5 40.Ra5 Rc4 ½–½. Reindl,Arno (1740) – Karlisch,Moritz (1785), DVM U16, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    10.Ne5 Ne5 11.de5 g6 12.0-0 Bg5 (12...Qc7 13.Be3 b6 14.Bb5 Bd7 15.Bd7 Kd7 16.Ra6=) 13.Na3 Bc1 14.Qc1 Bd7 15.Nb5 Bb5 16.Bb5 Kf7 17.Qe3 a6 18.Bd3 Kg7 19.f4 (19.c4 Ne7=) 19...Nh6 (19...b5 20.Ra3 Qe7 21.Rfa1=) 20.Qh3 (better is 20.c4!?=) 20...Qe7-/+ 21.g4 (21.Rf2 Rhc8-/+) 21...Rhf8 22.Rf3 (22.Kg2 b5-/+) 22...Qc5-+ 23.Kh1 Qc3 24.Raf1 Qc7 25.f5 (25.Qh4 Qd8 26.Qg3 Rg8-/+) 25...ef5-+ 26.gf5 Nf5 (26...gf5? 27.Rg1 Kh8 28.Qh6+-) 27.Bf5 Rf5 (27...gf5 28.Rf5 Rf5 29.Qf5=) 28.Rf5+= gf5 29.Qf5 Qe7?? (better is 29...Kh8 30.Rg1 Qc6=) 30.e6 Rf8?? (30...Kh8 31.Rg1 h6+-) 31.Qg4 Kh6 32.Rg1 (32.Rg1 Rf3 33.Qf3 Qg5 34.Rg5 Kg5 35.e7 h5 36.e8Q Kh6 37.Qeh5 Kg7 38.Qff7) 1–0. Prus,Marek (1715) – Rodak,Przemyslaw (1610), 108th YMCA Summer B Poland, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    10.Ne5 Ne5 11.de5 Nh6 12.Bh6+= gh6 13.Bb5 Kf7? (better 13...Bd7 14.Qh5 Kf8 15.Qh6 Kf7+=) 14.Qh5 Kg7 15.Ra4?? (better 15.Qg4 Kf7 16.Ra4+-) 15...Rg8 16.Bd3 Qf8 17.g3 Qe8 (17...Qf7 18.Rg4 Bg5 19.Qf7 Kf7 20.f4=+) 18.Rg4= Kh8 19.Qh6 Qf7 20.Rf4 Qg7 21.Qh5 Bg5?? (better 21...Rf8 22.Rg4 Qf7+/-) 22.Rf7+- Qe5 (22...Qf7 23.Qf7 Rg7 24.Qe8 Rg8+-) 23.Kf1 (23.Kf1 Qe1 24.Ke1 Bd2 25.Nd2 Rg7 26.Rf8 Rg8 27.Qh7; 23.Kd1 Qe2 24.Ke2 Rg7 25.Rf8 Rg8 26.Qh7) 1-0. Jukes,Sam (1895) - Ong,Weng Yan (1620), 16th South Wales Int, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    10.de5 Bc5

    11.0-0 Qc7 A) 12.Ba3 b6 (12...Ba3 13.Na3 Ne5 14.Ne5 Qe5 15.Re1 Qf4 16.g3 Qb8 17.c4 Ne7 18.cd5 Nd5= 0.03) 13.Re1 Nge7 14.Bc5 bc5 15.Na3 0-0 16.Nb5 Qd7 17.c4 h6 18.Qe2 Nb4=+ –0.50; B) 12.Na3 a6 (12...Ba3 13.Ba3 Ne5 14.Ne5 Qe5 15.Re1 Qg5 16.Bc1 Qe7 17.Qh5 Kd8 18.c4 Nf6= 0.00) 13.Nb5 Qb8 14.Nbd4 Ne5 15.Ne5 Qe5 16.Re1 Qf6 17.Qh5 Kf8 18.Be3 Ba7=+ –0.44.

    11.0-0 Nge7 12.Ba3 b6 (12...Ba3 13.Na3 0-0=+ 14.Nb5 Nf5 15.Qe2 Nh4 16.Nh4 Qh4 17.g3 Qe7 18.Nd6 Qc7= –0.19) 13.Qc2 g6 14.c4 0-0 15.Nbd2 Ba3 16.Ra3 Bb7 17.Rc1 Qc7 18.cd5 Nd5=+ –0.28.

    11.0-0 Nge7 12.Qc2 Nf5 (12...g6 13.Ba3 Bb6 14.Nbd2 0-0 15.c4 Ba5 16.Rfd1 Bd2 17.Rd2 Rf3 18.gf3 Ne5= –0.03) 13.Ba3 Ba3 14.Bf5 Bd6 15.ed6 ef5 16.Re1 Kf7 17.c4 Qd6 18.cd5 Qd5= –0.25.

    11.0-0 Nge7 12.Qe2 Bd7 13.Bg5 Qc7 14.Na3 a6 15.Rfb1 (better is 15.Nb5!? Qb8 16.Be3=) 15...0-0-/+ 16.Nc2 Rf3 17.Qf3 Ne5 18.Qg3 Rf8 19.Nd4 N7c6 20.Bf4 Bd6 (20...Nd4? 21.Be5 Ne2 22.Be2 Bf2 23.Qf2 Qe5 24.Qd4 Qe2 25.Rb7+-) 21.Ra2 (better is 21.Nc6!? Bc6 22.Be5 Be5 23.Qh3+=) 21...Rf4!-/+ 22.Bh7 (22.Qf4 Nd3) 22...Kh7 23.Qf4 Ng6 24.Qg5 Bh2 25.Kh1 Bf4 26.Qh5 Bh6 27.Nf3 Nce7 28.g4? (better is 28.Kg1-+) 28...Qc4 29.Rab2 Qe4 (29...Qc3?! 30.Ng5 Kg8 31.Rb7 Bg5 32.Rd7-+) 30.g5 (30.Qh3 Ne5 31.g5 b5 (31...Qf3?! 32.Qf3 Nf3 33.Rb7 Ng5 34.Rd7-+) 32.gh6 gh6-+ (32...Qf3?! 33.Qf3 Nf3 34.Ra2-+; 32...Nf3?! 33.hg7 Kg7 34.Ra1-+)) 30...Nf4 31.Qg4 e5 32.Qg3 Nf5 33.Qg4 (33.g6 Ng6 34.Qg2-+) 33...Nh4 34.Qg3 Nf3 35.Rb4 d4 36.gh6 (36.g6 Ng6 37.cd4-+) 36...Nh5 37.Qg2 Qh4 (37...Qh4 38.Qh3 Qh3) 0–1. Busson,Benoist (1990) – Peray,Sebastien (2010), Provence–ch Majeur op, 1999. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 d5 5.e5 Nc6 6.Nf3 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.0-0 Nge7 12.Bg5 0-0-/+ (12...Qc7 13.Re1 0-0 14.Nbd2 a6 15.Nb3 Ba7 16.Nbd4 h6 17.Bc1 Bc5 18.Ba3 Ba3=+ –0.31) 13.Nbd2 h6 14.Bh4 Qe8 (14...Qb6 15.Be7 Be7 16.c4 a5 17.cd5 ed5 18.Qe2 Bg4-/+ –1.34) 15.Bg3 (15.Nb3 Bb6-/+ 16.Nbd4 g5 17.Bg3 Nf5 18.Bc2 Ng3-/+ –0.88) 15...Nf5 16.Re1 (16.Bf5 Rf5 17.c4 Bb4 (17...Nd4 18.cd5 ed5=+) 18.Qb3 Qf7-/+ –0.78) 16...Bd7 (16...Ng3 17.hg3 Qf7 (17...Qh5 18.c4-/+ Bb4-/+ –1.25) 18.Qb1 Qc7-/+ –1.34) 17.c4 (17.Bf4 Qh5-/+ (17...Qe7 18.Nb3 Nh4-/+ –0.97) 18.c4 Nb4-/+ –1.00) 17...Qf7 (17...Ng3 18.hg3 Nd4-/+ –1.19 (18...a5 19.Qb1-/+)) 18.cd5 (18.Bf5 Qf5 (worse 18...ef5 19.cd5 Qd5 20.Nb3+-) 19.cd5 ed5-/+) 18...ed5 19.Nb3 Bb6 20.Qd2? (20.Bf5 Bf5 (20...Qf5?! 21.Nc5 Bc5 22.Qd5 Be6 23.Qc5=) 21.Nbd4 Be6-/+) 20...Rae8 (20...Ng3 21.hg3 Bg4 22.e6 Be6 23.Ra4-+) 21.Re2? (better 21.Bf5 Bf5 22.Nfd4-/+) 21...Ng3-+ 22.hg3 Bg4 23.Bb1 (23.e6 Qh5 24.Qc2 Bf3 25.e7 Be2 26.ef8R Rf8 27.Qe2 Bf2 28.Qf2 Rf2 29.Kf2 Qf7 30.Kg1-+) 23...Bf3 24.gf3 Ne5 (24...Qf3 25.Qc2 Bf2 26.Rf2 Qg3 27.Kf1 Rf2 28.Qf2 Qh3 29.Ke2 Qb3 30.Kf1 Re5 31.Bf5 Qc4 32.Kg1 Rf5 33.Qf5 Qd4 34.Kg2 Qb2 35.Kg3 Qa1 36.Qd5 Kh7 37.Qd3 g6 38.Qb3 Qe5 39.Kg2-+) 25.Qc2 (25.Re5 Re5 26.f4-+) 25...Nf3 26.Kg2 (26.Kf1 Ng5 27.Re8 Qe8-+) 26...Ne1 (better 26...Ng5 27.Nd4 Bd4 28.Ra3 Re2 29.Qe2 Qf2 30.Qf2 Rf2 31.Kh1 Rf1 32.Kg2 Rg1 33.Kh2 Rb1 34.Ra2-+) 27.Re1 Qf3 28.Kh2 (28.Kh3 Re1 29.Qh7 Kf7 30.Bg6 Kf6 31.Re1 Bf2-+ (31...Qb3?? 32.Bf5 Be3 33.Re3 Qe3 34.Qg6 Ke7 35.fe3 Rf5 36.Qf5+-)) 28...Qh5 (better 28...Re1 29.Qh7 Kf7 30.Qf5 Ke7 31.Qf3 Rf3 32.Bh7-+) 29.Kg2 Re1 (29...Re1 30.Qh7 Kf7 31.Bg6 Qg6 32.Qg6 Kg6 33.Re1 Rf2 34.Kh3 Rf3-+) 0–1. Straub,Peter (2110) – Giddins,Stephen W (2240), Gibraltar Masters, Catalan Bay ENG, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5)

    11.Ba3 A) 11...Bb6 A1) 12.Qc2 Bc7 (12...g6 13.c4 Nge7 14.Nbd2 0-0 15.0-0 Nd4 16.Qa2 Rf7 17.c5 Nf3 18.Nf3 Bc7=+ –0.28) 13.Bh7 Ne5 14.Ne5 Be5 15.Bg6 Kd7 16.Qa4 Kc7 17.f4 Bf6 18.0-0 Qd7=+ –0.50; A2) 12.0-0 Bc7 (12...Nh6 13.Re1 Bc7 14.Qa4 Bd7 15.Qf4 Nf7 16.Qg3 Qb8 17.Qg7 Be5 18.Ne5 Nce5= 0.25) 13.Re1 Nh6 14.Qa4 Bd7 15.Qf4 Nf7 16.Qg3 g5 17.c4 g4 18.Qg4 Nce5= –0.09; B) 11...Ba3 B1) 12.Ra3 Qc7 (12...Nge7 13.0-0 0-0 14.Re1 Nf5 15.Nbd2 Qe7 16.Qa1 Nh4 17.c4 Nf3 18.Nf3 Nb4=+ –0.47) 13.Qe2 Nh6 14.0-0 0-0 15.Re1 Nf7 16.Nbd2 Qe7 17.Ra2 b6 18.Nb3 Bd7=+ –0.53; B2) 12.Na3 Nge7 (12...Nh6 13.0-0 0-0 14.Nb5 Ng4 15.Qe2 Rf3 16.Qf3 Nge5 17.Qe3 Nd3 18.Qd3 a6= –0.13) 13.Nb5 0-0 14.0-0 Nf5 15.Qe2 Nh4 16.Nh4 Qh4 17.g3 Qd8 18.Qh5 h6=+ –0.28.

    11.Qc2 Qc7 12.Bf4 Bd7 13.Na3 Ba3 14.Ra3 0-0-0 (14...g6!?=) 15.0-0 Nge7 16.Rb1 Kb8 17.Be3 Nc8 18.Ba6 Nb6 19.Bb5 Nc8 20.Qe2 h6 (20...Ne5? 21.Ne5 Be8 22.Ba6+-) 21.Bc5 Ka8 (21...N6e7!? 22.Qe3 b6 23.Be7 Ne7+=) 22.Qe3 b6 (22...Na5 23.Bd6! Nd6 24.ed6 Qb6 25.Qb6 ab6 26.Bd7 Rd7+-) 23.Bc6 (23.Bd6 d4 24.Nd4 (24.Bc7?! de3 25.Bd8 ef2 26.Kf2 Rd8+-) 24...Nd6 25.Bc6 (25.ed6?! Qd6 26.Nc6 Qa3+-) 25...Bc6 26.Ne6+- (26.ed6?! Rd6 27.Rba1 Rhd8+=; 26.Nc6?! Qc6 27.ed6 Rd6=)) 23...Bc6+= 24.Rb6?? (better 24.Bb4+=) 24...d4-/+ (24...Nb6 25.Bb6 d4 26.Bd4+-) 25.Rc6?? (better 25.Nd4 Nb6 26.Ra1-/+) 25…de3-+ (25...de3 26.fe3 Rd1 27.Kf2 Qc6-+) 0–1. Burriel Rosello,C (2190) – Navarro Ortiz de Orruno,B (2085), Murcia–ch, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5)

    11.Qc2 Qc7 12.Bf4 Nf6 13.Na3 (13.ef6 Qf4 14.fg7 Rg8 15.Bh7 Rg7 16.Bg6 Kd8-+) 13...Nh5=+ 14.Nb5 Qb8 15.g3 Nf4 16.gf4 a6 17.Nbd4 Nd4 18.cd4 Bb4 19.Kf1 Bd7 20.Bh7 Qd8 21.Qg6 Kf8 22.Rg1 Qe7 23.Ng5 Rc8 24.h4 Rc7 25.Kg2 a5 26.Rac1 Rc4 27.Rc4 dc4 28.Kf3 Bc6? (better 28...Bc3+-) 29.Ke2 Bd5 30.h5 c3 (30...Bc3 31.h6 gh6 32.Qh6 Ke8 33.Bg6 Kd7 34.Qh8+-) 31.h6 gh6 32.Qh6 Ke8 33.Bg6 Kd7 34.Qh8 Ba3 35.Be4 (35.Be4 Ba2 36.Qb8 Bc4 37.Kf3+-) 1–0. Scacco,Mauro (2285) – Thurlow,Kevin J (2160), CFriend AM–2004–0-00010 email, 2004. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5)

    11.Ng5? Ne5-/+ 12.Bb5 Nc6 13.Qe2 Qf6 14.0-0 Bd7 (14...Bb6 15.Nf3-/+) 15.Re1 (15.Ne4 de4 16.Qh5 Qg6 17.Qc5 Qf5-/+) 15...Nge7 (15...e5 16.Bc6 bc6 (16...Qc6?! 17.Qe5 Kf8 18.Ba3 Ba3 19.Ra3=; 16...Bc6?! 17.Qe5 Qe5 18.Re5 Be7 19.Ba3-/+) 17.Qe5 Ne7 18.Qf6 gf6-/+) 16.Bd3 (better 16.Ne4!? de4 17.Qh5 Qg6 18.Qc5-/+) 16...h6-+ 17.Nf3 (17.Qh5 g6 18.Qf3 0-0 19.Qf6 Rf6-+) 17...0-0 (17...e5 18.Nbd2-+) 18.Bb2 e5! 19.c4 (19.Ne5 Bf2 Double attack (19...Qf2 Pinning; 19...Qf2 Deflection)) 19...d4 (19...Bg4 20.Nbd2 Nd4 21.Qe5 Nf3 22.gf3 Qe5 23.Re5 Bf3 24.Ra5-+) 20.Qe4 (better 20.Nbd2 Qf7 21.Ba3 Ba3 22.Ra3-+) 20...Bf5 21.Qe2 Bd3 22.Qd3 Qf5 23.Qf5 Rf5 24.Na3 (24.Ba3 Ba3 25.Ra3 Kf7-+) 24...Ng6 (24...Rd8 25.Nc2-+) 25.Re4 (25.Nb5 Rd8-+) 25...Rd8 26.Kf1 Kf7 27.Nc2 Rd7 (27...Rf4!? 28.Nd2-+) 28.Nce1 d3 (28...b6 29.Nd3-+) 29.Rd1 Nb4 (better 29...d2 30.Nc2 Rd3-+) 30.Re5? (better 30.g4 Rf6 31.Rd2-+) 30...Ne5 31.Ne5 Ke6 32.N1d3 (32.N1f3 Rd6-+) 32...Nd3 (better 32...Rd3 33.Nd3 Nd3 34.Rd2 Nf2 35.Ke2-+) 33.Nd3 (33.Rd3 Rf2 34.Ke1-+) 33...Rd3! 34.Rd3 Rf2 35.Ke1 Rb2 0–1. Leitner,G – Zajic,H, Vienna op–C, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    10.de5 Qc7

    11.0-0 Ne5 12.Ne5 Qe5 13.Re1 Qc7 14.Bb5 (14.Qh5 Kf8-/+) 14...Kf7 (14...Bd7 15.c4-/+) 15.Nd2 (15.Qh5 g6 16.Qf3 Nf6-/+) 15...Nf6 16.Nf3 Rf8 (16...Ne4 17.c4 Bf6 18.cd5 Ba1 19.Re4-/+) 17.Ng5 Kg8 18.Ne6 Be6 19.Re6 Bc5 20.Be3 Be3 21.Re3 Qc5 22.Ba4 (22.Bd3 Rae8 23.Re8 Re8-/+) 22...b5 23.Bb3 a5 24.Rd3 Kh8 25.Bd5 Nd5 26.Rd5 Qf2 27.Kh1 a4 (27...Rab8!?-/+) 28.Rb5 a3 29.h3 h6 30.Rb7 Qg3 31.Rb3 (31.Qd4!?-/+) 31...Rf2-+ 32.Qg4 Qe5 (32...Qg4 33.hg4 a2 34.Kh2-+) 33.Qd4 (33.Kg1 Qe3 34.Kh2 a2-/+) 33...Qe2 (33...Qd4!? 34.cd4 a2-/+) 34.Qd5=+ Rf1 35.Kh2 Ra1 36.Qa8 Kh7 37.Qf3?? (better 37.Qd5 Qe8 38.Rb6=+) 37...Qe5-+ 38.Qg3 Rh1!! 39.Kh1 Qg3 40.Ra3 Kg6 (40...Qd3!? 41.Ra8-+) 41.Ra6 Kf5 42.Rc6 Ke4 43.Rc8 Ke3 (43...Qe1 44.Kh2 Kd3 45.Rc5-+) 44.Rf8 Ke2 (44...Qe1 45.Kh2 Kd3 46.Rf3 Kc4 47.g4-+) 45.Rf3 Qc7 46.Kg1 Qc5 47.Kh1 g5 0–1. Hamed,Ahmed (2325) – Garma,Chito (2280), Novi Sad ol (Men), 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.0-0 Ne5 12.Ne5 Qe5 13.Re1 Qc7 14.Qh5 Kf8 15.Qf3 Nf6 16.Bf4 Bd6 17.Bd6 Qd6 18.c4 Bd7 19.Nc3 a6 20.Rad1 (20.Rec1 Kf7-/+) 20...Bc6 21.cd5 ed5 22.Bf5 Re8 23.g4 (23.Re8!? Ke8 24.Ne2-/+) 23...h6 24.Re8 Ke8 (24...Ne8?! 25.Nd5 Nf6 26.Be4=) 25.Re1 Kd8 26.Re6 Qc7 27.Ne2 (27.h3 Re8 28.Re8 Ke8-+) 27...Re8 (27...Bd7 28.Rf6 gf6 29.Bd7 Kd7 30.Nf4-+) 28.Nd4 (28.Nf4 Bd7 29.Re8 Ke8 30.Bg6 Kd8-+) 28...Bd7 29.Re8 Ke8 30.Bg6 Kd8 31.h3 Kc8 (31...Qc1!? 32.Kg2-+) 32.Qa3 Qf4 33.Qf8 Kc7 34.Ne2 Qe5 35.Qg7? (better 35.Qc5 Kb8 36.Bd3-+) 35...Ng4 (35...Qe2?! 36.Qf6 Qd2 37.Qe7-+) 36.Qf7 (36.Qe5 Ne5 37.Bh5-+) 36...Qh2 37.Kf1 Qh1 (better 37...Ne5 38.Qd5 Qh3 39.Qg2 Ng6 40.Qh3 Bh3 41.Ke1-+) 38.Ng1 Nh2 (38...Ne5 39.Qg7 Ng6 40.Qg6 Bh3 41.Ke2-+) 39.Ke2 Qg1 40.Qf4 Kc8?? (40...Kc6 41.Qf6 Kc5 42.Qc3 Kd6 43.Qf6 Be6 44.Qd8 Kc6 45.Be8 Kc5 46.Qc7 Kd4 47.Qf4 Kc3 48.Qc7 Kb4 49.Qb7 Kc3 50.Qc6 Kb3 51.Qb6 Ka3 52.Qa6 Kb4 53.Qb5 Kc3 54.Qc5 Kb3 55.Qe3 Kc4 56.Qd3 Kc5 57.Qa3 Kd4 58.Qe3 Kc4 59.Qd3 Kc5 60.Qa3 Kd4 61.Qe3 Kc4=) 41.Qf8= Kc7 42.Qf4 Kb6 43.Qd4 Kc6 44.Qf6 Kc5 45.Qc3 Kd6 46.Qf6 Be6 47.Qd8 Bd7 (47...Kc6 48.Be8 Kc5 49.Qc7 Kd4 50.Qf4 Kc3 51.Qc7 Kb4 52.Qb7 Kc3 53.Qc6 Kb2 54.Qb6 Ka3 55.Qa6 Kb4 56.Qb6 Kc3 57.Qe3 Kc4 58.Qd3 Kb4 59.Qb5 Kc3 60.Qc5 Kb3 61.Qe3 Kc4 62.Qd3 Kc5 63.Qa3 Kd4 64.Qe3 Kc4=) 48.Qf6= Kc7 49.Qf4 ½–½. Dannevig,Oystein (2330) – Lahlum,H (2210), TCh–NOR, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.0-0 Ne5 12.Ne5 Qe5 13.Re1 Qc7 14.Qh5 Kf8 15.Qf3 Nf6 16.Bf4 Bd6 17.Bg5? (17.Bd6 Qd6 18.c4 Kf7-/+) 17...Qf7 (17...Bh2!? 18.Kh1 Be5 19.Be3-+) 18.Na3 (18.Bf4!? Bc5 19.Be3-/+) 18...Qh5 19.Qe3? (19.Qh5 Nh5 20.Nb5 Bb8-+) 19...Bd7?? (better 19...Qh2 20.Kf1 Qh1 21.Ke2 Qg2-+) 20.h3 Re8 (better 20...b6!?-/+) 21.Nb5= Bb8 22.Na7 h6 23.Qc5 Kf7 24.Bf6 gf6 25.Reb1 (25.Rab1 Ba7 26.Qa7 Bc6=) 25...b5 (25...Qe5 26.g3 Bd6 27.Qb6=+) 26.Nb5 (26.Nc6 Bc6 27.Qc6 Rhg8 28.Rb5 Qe5 29.Rb7 Re7 30.Re7 Ke7=) 26...Qe5=+ 27.Ra6 (27.g3 Rc8 28.Qb4 Rhg8=) 27...Bb5 (27...Rc8!? 28.Qb4 Qh2 29.Kf1 Rhg8-/+) 28.Rb5= (28.Bb5?? Qh2 29.Kf1 Qh1 30.Ke2 Qb1 31.Be8 Re8-+) 28...Re7 29.Kf1 Rg8 30.Be2 (30.g3 Rc7 31.Rc6 Rgc8+=) 30...Qg5 (30...Rc7 31.Rc6 Rgc8 32.Rc7 Rc7 33.Qb4=) 31.g3+= Be5?? (better 31...Rd8+=) 32.Qe7!+- Ke7 33.Rb7 Bc7 34.Rc7 Kd8 35.Rf7 (35.Rf7 Qc1 36.Kg2 Qc3 37.Ra8 Qc8 38.Rc8 Kc8 39.Rf6+-) 1–0. Van den Berg,Ha (2165) – Van Ketel,R (2335), Harmonie Open A, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.0-0 Nh6 12.Na3 0-0 (better 12...Nf7!?-/+) 13.Nb5 White threatens to win material: Nb5xc7 13...Qd8 (13...Qb8 14.Bh6 gh6 15.Qc2 Ne5 16.Bh7 Kh8 17.Ne5 Qe5 18.Bd3=+ (18.Ra7?? the pawn must remain untouched 18...Ra7 19.Na7 Bc5-+; 18.Na7?? that pawn is deadly bait and will cause White grave problems 18...Bc5-+)) 14.Qc2 (14.Bh6 gh6 15.Qd2 Rf3 16.gf3 Ne5 17.Be2+=) 14...Rf3 (14...Nf5!?= has some apparent merit) 15.Bh7 Kh8 16.gf3 Ne5 17.Kg2 (17.Bh6 gh6 18.Qe2 Kh7 19.Qe5 a6+-) 17...Bd7 18.Nd4 Bd6 19.Bf4 (19.Rb1 Qh4 20.h3 b6=) 19...Qf6 Black threatens to win material: Qf6xf4 (19...Nef7 20.Bd6 Nd6 21.Ne2=) 20.Bg3 Rf8? Exerts pressure on the isolated pawn (20...Nc4 21.Bd3 Bg3 22.hg3+-) 21.f4 White threatens to win material: f4xe5 (better 21.Ra7!? Bc5 22.Rb7+=) 21...Nc6= Black threatens to win material: Nc6xd4 22.Qd3 (22.Qb1 Bf4 23.Bc2 Bd2-/+) 22...Bf4 (22...Nd4 23.cd4 a6=+) 23.Bg6?? allows the opponent back into the game (23.Ne2 Ne5 24.Qd4=+) 23…Ne5-+ (23...Ne5 24.Qb1 Qg6 (worse 24...Ng6 25.Qb7 Bc8 26.Qc6-+) 25.Qb7 Nhg4-+) 0–1. Capron,Daniel (2180) – Andrieux,Pascal (2090), FRA–chT2S, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7)

    11.0-0 Nh6 12.Re1 Nf7=+ Pawn e5, live or die! 13.Na3 0-0 14.Nb5 Qd8 15.Qc2 h6 16.Qe2 Bc5 17.Bf4 g5 18.Bg3 g4 (better 18...Bd7=) 19.Bc2?? (19.Nfd4 h5=) 19...Qe7?? (better 19...gf3 20.Qd3 Re8-+) 20.Qd3 Nh8 21.Ra4 h5 (21...gf3 22.Rg4 Kf7 23.Rg7 Ke8 24.Re7 Be7 25.Nc7 Kd8 26.Na8+-) 22.Bh4 Qg7 (better 22...Bf2!? 23.Bf2 gf3 24.gf3 Rf7=) 23.Bf6+- Rf6 24.ef6 Qf6 25.Qh7 Kf8 26.Nfd4 e5 (26...Rb8!? 27.Re2 e5 28.Qh5 Bd7+-) 27.Nc7+- Rb8 (27...b5 28.Nde6!! (28.Na8?! Nf7 29.Nc7 ba4 30.Nd5 Qd6 31.Nc6 Qc6+-) 28...Be6 29.Rf4 ef4 30.Ne6 Ke8 31.Nc5 Ne5 32.Qg8 Ke7 33.Qa8+-) 28.Nd5 Qg7 29.Qh5 Nf7? (29...g3 30.fg3 Bg4 31.Rf1 Nf7 32.Rf7 Qf7 33.Qh8 Qg8 34.Qf6 Qf7=) 30.Nf5 Bf5 31.Bf5 g3 32.hg3 Qg3 33.Ne3 (33.Re2 Qg7+-) 33...Qg7 (33...Qg5 34.Qh3+-) 34.Be6 Ncd8 (34...Qf6 35.Bb3+-) 35.Bd5 (35.Rg4 Qh8 36.Qh8 Nh8 37.Rg8 Ke7+-) 35...b5 (35...Qh6 36.Qf3 b5+-) 36.Rg4 Qf6 37.Nf5 (better 37.Rg6 Qh8 38.Qh8 Nh8 39.Rg8 Ke7 40.Rh8 a5+-) 37...Rb6 38.Qh7 Ke8 39.Rd1 (39.Rg8 Bf8 40.f4 Ra6 41.fe5 Qb6 42.Kf1 Kd7 43.e6 Qe6 44.Re6 Re6 45.Rf8 Rf6 46.Bf7 Kc8 47.Be6 Re6 48.Qa7 Rf6 49.Rf6 Ne6 50.Rf7 b4 51.Qa8) 39...a5 40.Qg8 (40.Rg8 Bf8 41.Bb3 Ne6+-) 40...Bf8 41.Be4 a4 (41...b4 42.Ng7 Ke7 43.cb4 ab4 44.Rg6 Bg7 45.Rd8 (worse 45.Rf6 Bf6 46.Bd5 e4+-; 45.Rg7?! Rd6 46.Ra1 Rd7+-; 45.Qg7?! Qg7 46.Rg7 Ne6+-) 45...Nd8 46.Rg7 Nf7 47.Bg6 Qg7 48.Qg7+-) 42.g3 (42.Bd3 Qc6 43.Rg6 Qc5 44.Rb6 Qb6+-) 42...a3 43.Ng7 Ke7 44.Rg6 Bg7 45.Rf6 (45.Rg7 Rd6 46.Ra1 Rd2+=; 45.Qg7?! Qg7 46.Rg7 Ne6+=) 45...Bf6 46.Qg4 (46.Rd8 Nd8 47.Qb3 Nc6+-) 46...Nd6 47.Ra1 (47.f4 Ne6+-) 47...Ra6 48.Ra2 (48.Qe2 Ne6+-) 48...Ra4 49.f3 Ne6 50.Qg8 Nc5? (50...Ra6 51.Qh7 Kd8 52.Kf1+-) 51.Qd5 (51.Rh2 Nde4 52.Rh7 Kd6 53.fe4 Ne4 54.Qb8 Kd5 55.Qb5 Nc5+-) 51...Ne6 (51...Nce4 52.fe4 Ra6 53.Qb3+-) 52.Bc2 Ra5 (52...Nc7 53.Qb3+-) 53.Bb3 Ng5 54.Re2 e4 (54...Bh8 55.f4 a2 56.Ba2 Ra2 57.Ra2+-) 55.f4 (better 55.fe4!? a2 56.Ba2 Kd7+-) 55...a2 (55...Ra6 56.fg5 Bc3 57.Re4 Kd7 58.Rh4+-) 56.Ba2 (56.Ba2 Ra6 57.fg5 Bc3 58.g6+-) 1–0. Brustkern,J (2220) – Farkas,R (2305), FSIM December, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    11.0-0 Nh6 12.Bh6 gh6 13.Bb5 a5=.

    11.0-0 Nh6 12.Bh6 gh6 13.Re1 0-0 14.Na3 Bc5 15.Nb5 Qg7 16.Nbd4 Bd7 17.Nc6 bc6 18.Nd4 Rf4 19.g3 Raf8 (worse 19...Bd4 20.cd4 Kh8 21.Bc2+=) 20.Ra2 Bb6 21.Bf1 c5 22.Bg2 R4f7 23.Nb3 Rf5 24.f4 h5 25.Kh1 h4 26.Bh3 Bc6 (26...R5f7 27.f5 hg3 28.Rg1-/+) 27.Rg1 (27.Na5!? Ba5 28.Ra5 d4 29.Kg1 Rf4 30.Rc5 (30.Be6? Kh8 31.Rc5 Bf3-+) 30...hg3 31.Rc6-+) 27...Kh8 28.Bf5 (better 28.Rgg2 d4 A) worse 29.Bf5 Rf5 (29...Bg2?! 30.Kg2 Rf5 31.cd4 cd4 32.Qf3=+) 30.Nc5 Bc5 31.cd4 Bb6-+; B) 29.cd4 cd4 30.Bf5 Rf5 31.Nd4-+) 28...d4-+ 29.Rgg2 Rf5 (29...Bg2?! 30.Kg2 Rf5 31.cd4 cd4 32.Rf2=+) 30.gh4 (30.Nc5 Bc5 31.cd4 Bb6-+) 30...Rf4 (30...Bg2?! 31.Rg2 Qf7 32.cd4 Rf4 33.Nd2 cd4 34.Qb3-+) 31.cd4 (31.Kg1 Qe5 32.Rae2 Qf5-+) 31...Rg4 (31...Bg2?! 32.Rg2 Qf7 33.Nd2 cd4 34.Qb3-+) 32.Qe2 (32.Qf1 c4 (32...Bg2?! 33.Rg2 Rg2 34.Qg2 Qg2 35.Kg2 cd4 36.Kf3-+) 33.Nc1 Bd4-+) 32...cd4 (better 32...Rg2 33.Qg2 Qd7 34.Rf2 Bg2 35.Kg2 Qd5 36.Rf3-+) 33.h3 (33.Qf1-+) 33…Rg2 (33...Rg2 34.Qg2 d3 35.Na5 Bg2 36.Rg2 Qe5 37.Rg4 Qe1 38.Kh2 Qf2 39.Kh1 d2 40.Rg8 Kg8 41.Nc6 d1Q) 0–1. Dzierzenga,Stefan (2210) – Kuthan,A (2185), TCh–AUT 2nd Ost (3), 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7)

    11.0-0 Nh6 12.Bh6 gh6 13.Re1 Bc5=.

    11.Qe2 a6!?=+ 12.0-0 Nh6 (12...Bd7 13.Na3 0-0-0 14.Nc2 Nh6 15.Ncd4 Nf7 16.Re1 h5 17.Rb1 Rde8) 13.Bh6 gh6 14.Na3 Na5 15.c4 Ba3 16.Ra3 dc4 17.Be4 Qc5.

    11.Qe2 d4 12.0-0+= Bc5 (12...Nh6 13.cd4 Nb4 14.Na3 0-0 15.Bh6 gh6 16.Rfc1 Qb8 17.Be4 Bd7) 13.Ba3 (13.Bb2 Nge7 14.cd4 Bb4 15.Ng5 g6 16.Bc4 Nd5 17.Ne4 0-0) 13...Ba3 (13...Bb6 14.Bd6 Qd7 15.Nd4 Nge7 16.Nc6 bc6 17.Qf3 Nf5) 14.Na3 Nh6 (better 14...dc3!? 15.Nb5 Qe7+- 16.Rfc1 Nh6 17.Nd6 Kf8) 15.Nb5+- Qe7 (15...Qd8 16.Nd6 Ke7 17.cd4 Nf7) 16.Nd6 Kd7 (16...Kf8 17.Nd4 Bd7) 17.Bb5 Nf7? (17...Nf5 18.Nf5 ef5 19.Nd4+- (worse 19.cd4 Kd8 20.d5 Bd7 21.dc6 bc6+-)) 18.Rfd1 (better 18.Nf7!? Qf7 19.Nd4 Ke8 20.Nc6 a6+-) 18...Kc7 19.Bc6 bc6 20.Nd4 Bd7 (20...Nd6 21.Nc6 Kc6 22.Qf3 Kc5 23.Rd6 Qd6 24.Qe3 Kc6 25.ed6 Bb7 26.Qe4 Kd6 27.Qb7 Ke5 28.Qg7 Kd5 29.Qd7 Kc4 30.Qc6 Kd3 31.Rd1 Kc2 32.Qa4 Kc3 33.Rc1 Kb2 34.Rc2 Kb1 35.Qa2) 21.Qa6 Rhb8 22.Qa5 Rb6 23.c4 Kb8 (23...Kd8 24.c5 Nd6 25.ed6+-) 24.c5 Rb5 (24...Nd8 25.Rdb1 Rb5 26.Rb5 cb5 27.c6 Bc8 28.Qb5 Bb7 29.cb7 Qf7 30.Nc6 Nc6 31.ba8R Ka8 32.Qc6 Kb8 33.Qc8) 25.N6b5 (25.Rab1 Qe8 26.Ne8 Be8 27.Ne6 Rb6 28.Rb6 ab6 29.Qb6 Kc8 30.Qc7) 25...cb5 26.c6 Bc8 27.Qb5 Kc7 (27...Bb7 28.cb7 Qd6 29.ba8R Ka8 30.Ra7 Ka7 31.Ra1 Qa3 32.Ra3) 28.Qa5 (28.Qa5 Kb8 29.Ne6 a6 30.Rab1 Bb7 31.c7 Kc8 32.Rd8 Nd8 33.cd8Q Qd8 34.Qd8) 1–0. Van den Berg,Imre (2095) – Kuijpers,Jos (1915), HZ Open, Vlissingen NED, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7)

    11.Qe2 d4 12.Bd2 dc3 13.Nc3 a6 14.0-0 Bb4 (better 14...Nb4!?+=) 15.Nb5!+- Qb8 (15...ab5 16.Ra8 Pinning (16.Ra8 Deflection)) 16.Bb4 Nb4 17.Nd6 Ke7? (17...Kf8 18.Be4 Nd5 19.Nd4+-) 18.Bb1 (better 18.Qd2 Nc6 19.Qg5 Kd7 20.Qg7 Nge7 21.Qh8+-) 18...Nh6 19.Qc4 Nd5?? (better 19...Nc6+-) 20.Qh4 Kd7 21.Qg5 (21.Qg5 Rg8 22.Rc1+-) 1–0. Boelhouwer,C – Ooms,F, 6th HZ Open Vlissingen NED, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    11.Qe2 d4 12.cd4 Nd4 13.Qb2 (13.Qe3 Bb4 14.Nbd2 Nf3 15.gf3 Ne7 16.Bb2 Nd5 17.Qe4 Bd7) 13...Nf3 14.gf3 Nf6-/+ 15.0-0 0-0 16.ef6 Bf6 17.Qa3 Ba1.

    11.Qe2 Nd8 12.0-0= a6 13.Na3 Nf7 (13...Qc3 14.Bb2 Qc6 15.Nb5=) 14.Nb5 Qb8 15.Nbd4 Bc5 (15...b5 16.Re1=) 16.Bb5 Kf8 (16...Bd7 17.Bd7 Kd7 18.Ba3 Ba3 19.Ra3=) 17.Nb3 (17.Bd3 Ke8+=) 17...Be7 18.Bd3 Ngh6 19.c4 dc4 20.Bc4 Nf5 21.Re1 b5 22.Bd3 Bb4 (22...Bb7 23.Ba3=) 23.Bd2 Bd2 24.Qd2 g6 25.Bf5 (25.Be4!? Ra7 26.Na5+=) 25...gf5+= 26.Qb4 Ke8 27.Nbd4 Qb7 28.Nf5?? (better 28.Qb3 Nd8 29.Re3=) 28...ef5-+ 29.e6 Nd8 30.e7 (30.Rad1!? Be6 31.Rd8 Rd8 32.Re6 Kf7 33.Ng5 Kg8 34.Qb3=) 30...Nf7-+ 31.Rad1 (31.Qa5 Rg8 32.Ra3 Qd5-+) 31...Bd7 32.Ne5 (32.Qh4 Qc6 33.Kh1-+) 32...Rg8 33.g3 Ne5 34.Re5 Rc8 (34...Qf3 35.Qd4 Bc6 36.Qd8 Kf7 37.e8Q Re8 38.Rd7 Bd7 39.Qd7 Kf6 40.Qd6 Kg5 41.Qd2 Kh5 42.Qd7=+) 35.Qh4 (35.Red5 Rc4 36.Qa5=+) 35...Qf3 36.Red5 Rc1! 37.Rc1 (37.Rc1 Qa3 Double attack (37...Qd5 Deflection; 37...Qa3 Decoy)) 37...Qd5 38.Qf6 Qe6 39.Qc3 (39.Qa1 Rg4-+ (39...Ke7?! 40.Re1=; 39...Qe7?! 40.Re1 Be6 41.Qa6-+)) 39...Kf7 (39...Qd6 40.Re1-+) 40.Re1 Qc4 (40...Qd5 41.Qe3-+) 41.Qf3 Qc6 42.Qb3 Be6 43.Qb4 (43.Qd1 Ke7 44.Qh5 Rg7-+) 43...Re8 (43...Rg4 44.Qb2-+) 44.Qh4 Re7 (44...Kg6 45.Qb4-+) 45.Qh7 Ke8 46.Qh8 (46.Qg6 Kd8-+) 46...Kd7 47.Rd1 Bd5 48.Qd4 Ke6 (48...Qd6 49.Qa7 Kd8 50.Qd4-+) 49.Qh4 (49.Qf4 Rg7-+) 49...Kd6 (better 49...Rf7!? 50.Qh6 Rf6 51.Re1 Kd7 52.Qg5-+) 50.Qf6 Re6 51.Qd8 Kc5 52.Qf8 Qd6 53.Qf5 Qe5 (53...Kc6 54.Qc2 Qc5 55.Qd2-+) 54.Qf8 Kb6?? (better 54...Kc4 55.Rf1 Kb3-+) 55.Qd8= Kc5 56.Qc8?? (56.Qf8 Kc4 57.Rf1-+) 56...Rc6 (56...Bc6!? 57.Rf1-+) 57.Qf8 Rd6 58.Qc8 (58.Qb8 Qe4 59.Rc1 Bc4-+) 58...Kb6 (58...Bc6 59.Rc1 Kb6 60.Kf1-+) 59.Qb8 Ka5 60.Qc7 Ka4 61.Rb1?? (better 61.Qc5 Rd7 62.Rb1-+) 61...Bb3 (61...Qe4 62.Ra1 Kb3 63.Ra3 Ka3 64.Qd6 Kb3 65.Kf1-+) 62.Qc8 a5 63.Qg4 (63.h4 Rd1 64.Rd1 Bd1-+) 63...Rd4 64.Qf3 Qd5 65.Qe3 (65.Ra1 Kb4 66.Qf8 Qd6 67.Qd6 Rd6 68.f4-+) 65...Rd1 66.Rd1 Qd1 (worse 66...Bd1 67.f4 b4 68.Kf2-+) 67.Kg2 Bd5 68.Kh3 (68.f3 Qf3! 69.Qf3 Bf3 70.Kf3-+) 68…Qh5 0–1. Van der Grinten,B (1900) – Bodicker,R (2095), HZ Open Vlissingen NED, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    11.Bf4 Bd7 12.Na3 Ba3 13.Ra3 0-0-0 (better 13...Nge7!?=+) 14.0-0+- Nge7 15.Nd4 Nd4 (15...a6 16.Qg4+-) 16.cd4 Nc6 17.Qa1 (17.Bg5 Rdf8+-) 17...Rdf8 18.Bd2 h6? (better 18...Kd8!?+-) 19.Rc1+- Kd8 20.Bb4! Nb4 21.Rc7 Kc7 22.Ra7 Nc6 (22...Nd3 23.Qa6 Bc6 24.Qd3+-) 23.Ra4 (23.Ra2 Rf4 24.Ra4 g5+-) 23...Rf4 (23...Ne5 24.de5 Ba4 25.Qa4+-) 24.Qa3 Ne5 (24...Rc8 25.Qd6 Kd8+-) 25.Qc1 Kd8 (25...Kb8 26.Qf4 Ba4 27.Qe5 Ka7 28.Qg7+-) 26.Ra8 Ke7 27.Rh8 (better 27.Qa3 Kf6 28.de5 Ke5 29.Rh8 Rf7+-) 27...Rd4 (27...Nd3 28.Qa3 Kf6 29.Qd3 Kf7+-) 28.Qc5 (28.Qc5 Kf6 29.Qd4 Be8 30.Re8 g5 31.Qb6 Kf7 32.Qe6 Kg7 33.Rg8) 1–0. Hrabinska,Myroslava (2225) – Andersson,C (2170), Breizh Masters Women, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    11.Bf4 g6 12.0-0 (12.Na3 Ba3 13.Ra3 Nge7=) 12...Bd7 13.Re1 Kf7 (13...a6 14.c4 Nb4 15.cd5 Nd5 16.Bg5=) 14.Na3 (14.Ng5 Bg5 15.Bg5 Nge7= (15...Ne5? 16.Bf4 Nf6 17.Be5+-)) 14...Nd8 (14...Na5 15.Ng5 Bg5 16.Bg5 Qc3 17.Nb5 Bb5 18.Bb5+=) 15.c4+= Kg7 16.Qd2 (16.cd5 ed5 17.Qb3 Qb6 18.Qd5 Bc6+=) 16...Ba3 (16...Bc6 17.Nb5 Bb5 18.cb5+=) 17.Ra3+- dc4 18.Bc4! b5 (18...Qc4 19.Qd3 Double attack (19.Qd7 Discovered attack; 19.Qd7 Deflection; 19.Qd3 Decoy; 19.Qd7 Overloading)) 19.Rd3 Bc6 (19...Qc4?? 20.Rd7 Nf7 21.Ng5+-) 20.Bb3 Ne7 (20...a5 21.Ng5 h6 22.Rd8 hg5 23.Bg5 Rd8 24.Bd8+- (24.Qd8?! Qd8 25.Bd8 Kf7+-)) 21.Bh6 Kg8 1–0. Martorell Aubanell,Adria (2055) – Ferrandiz Iserte,A (1885), 3rd Obert Ateneu Colon, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7)

    11.Qe2 Bd7

    12.0-0 0-0-0 13.Be3 b6 (13...Rf8+=) 14.Na3 (14.c4 dc4 15.Bc4 Rf8+/-) 14...Na5 (better is 14...Ne5!? 15.Ne5 Qe5=) 15.Nb5 Qb8?? (better is 15...Bb5 16.Bb5 Nb3+/-) 16.Ra5!+- ba5 17.Na7 (17.Ba7?! Qa8 18.Nd6 Kc7+-) 17...Kc7 18.Rb1 Qa8 (18...Qb1 19.Bb1 Rb8+-) 19.Bb6 (19.Bb6 Kb8 20.Bd8 Bb4 21.Bb6+-) 1–0. Wunder,Frank (2225) – Gottwald,Bernhard (1950), RSS7E basic–40, 2011. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 f6 9.Bd3 fe5)

    12.0-0 Na5 13.Nd4 a6 (better 13...g6!?=) 14.Qh5+- Kd8 (14...Kf8!?+-) 15.Qg4 (15.Qg4 Bf8 16.Qe6+-) 1–0. Westphal,Wolfgang (2080) – Witkowski,Rainer (1965), Mecklenburg VP LL, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Bd7)

    12.0-0 a6!?+=.

    12.0-0 Rc8 13.Re1 Nh6 14.Bh6 gh6 15.Qe3 Bf8 16.Na3 a6 17.Qf4 Bg7 e5 becomes the focus of attention 18.Nc2 Ne7 (18...Rf8 19.Qg4 Rf3 20.gf3 Be5 21.Nd4=) 19.Ra3+= Qc5 20.Rb1 Rc7 21.Rab3 Bc8 (better 21...Ng6 22.Qg4 0-0 23.Bg6 hg6 24.Qg6 Rfc8+=) 22.Nh4?? (better 22.Ncd4 Nc6 23.Nc6 Qc6 24.Nd4+=) 22...Nc6-/+ 23.Nf3 Rf7 (better 23...Rf8!? 24.Qd2 Ne5 (24...Be5?! 25.Ncd4=+) 25.Ne5 Be5-+) 24.Qg3= 0-0 25.Ncd4 Na5 26.Rb6 Re7 27.R6b4 Kh8 28.Qh4 (better 28.Rc1!?=) 28...Rc7-/+ 29.Rb6 (better 29.R4b2-/+) 29...Qe7?? (29...Qc3 30.Bf1 Nc6 31.Nc6 Rc6 32.Rc6 Qc6-/+) 30.Qh5?? (better 30.Qe7 Re7 31.Ra1+=) 30...Rc3-+ 31.Rd1 Qc7 32.Rbb1 (32.Re6?? Rd3 33.Re1 Nb3 34.Nb3 Be6-+) 32...Qf7 (32...Nc4 33.Bc4 Rc4 34.Rd3-+) 33.Qh3 (33.Qh4 Nc4 34.Bc4 Rc4-+) 33...Qe7 (33...b5 34.Qg3-+) 34.Ne2 (34.Qg4 b5-+) 34...Rc7-+ 35.Ng3 (35.Ned4 b5-+) 35...Nc6 36.Re1 Bd7 (36...Rf3!? 37.gf3 Ne5 38.Be2-+) 37.Nh5-/+ Nd8 (37...Nb4 38.Be2 Nc2 39.Rec1-/+) 38.Qg3? (better 38.Nd4!?=+) 38...Be8-/+ 39.Nf4 Nc6 40.Qg4 Bf7 (40...h5 41.Nh5 Rf3 42.Qf3 (42.gf3? Ne5 43.Re5 Be5-+) 42...Ne5 43.Qg3 Nd3 44.Ng7 Qg7 45.Qd3-+) 41.h4 Rg8 42.Qh3 Bf8 43.Rbc1 Rg7 44.h5 Rg8 45.Kh1 (45.Rb1 Qd7-+) 45...Nd8 (45...Nb4 46.Rc7 Qc7 47.Be2-+) 46.Rc7 (46.Nd4 Rc1 47.Rc1 Qa3-/+) 46...Qc7-+ 47.Nh4 (47.g3 a5-+) 47...Qe7 (47...Qb6 48.Re2-+) 48.Qh2 (48.Nf3 Nc6-+) 48...Nc6 49.Re3 (49.Nf3 Qc5 50.g3 a5-+) 49...Qc5 (49...Qa3 50.Nf3 Bc5 51.Bh7 Be3 (51...Kh7 52.Ra3 Ba3 53.Qh3+-) 52.Bg8 Bf4 (52...Kg8?! 53.Qg3 Kf8 54.fe3-/+; 52...Bg8?! 53.Qh4 Qc1 54.Ng1 Bf4 55.Qf6 Kh7 56.Qg6 Kh8 57.Qf6 Kh7 58.Qg6 Kh8 59.Qf6=) 53.Qf4 Kg8 (53...Bg8?! 54.Qf6 Kh7 55.Qg6 Kh8 56.Qf6 Kh7 57.Qg6 Kh8 58.Qf6=) 54.Qh6 Qe7-+) 50.Qh3? (50.Nf3 Nb4 51.Bb1-+) 50...Qc1 (50...Ne5 51.Bf1-+) 51.Kh2 Ne5! 52.Ne2 (52.Re5 Qb2 Double attack (52...Qf4 Pinning; 52...Qf4 Deflection; 52...Qf4 Decoy)) 52...Qc7 (52...Ng4 53.Qg4 Qc7 54.Kh3 Rg4 55.Kg4-+) 53.g3 (53.Kg1 Bc5 54.Nf4 Be3 55.Qe3 Ng4-+) 53...Ng4 54.Kg2 Ne3 55.fe3 Qe5 56.Kf2 Bh5 (56...Bh5 57.Nf4 Bc5-+) 0–1. Krstic,Slobodan (2110) – Lukey,Stephen G (2280), Victoria Masters, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.0-0 Bd8 13.Ba3 (13.Na3 Na5+=) 13...Be7 14.Re1 g6 (14...Nh6 15.c4=) 15.Bc1 (15.c4 Nb4 16.cd5 Nd5= (16...ed5? 17.e6 Bc6 18.Bb4+-)) 15...0-0-0 (15...Na5!?=) 16.Na3 Nb8 (16...Na5 17.Qb2+=) 17.Be3 b6 (17...a6 18.c4 Bc6 19.Qb2+-) 18.Nd4 a6 (18...Qe5 19.Ba6 Na6 20.Qa6 Kb8 21.Nab5 Bb5 22.Nb5+-) 19.Ba6+- Na6 20.Qa6 Qb7 21.Qb7 (21.Qd3 Rf8+-) 21...Kb7 22.Reb1 (22.Nab5!? Bb5 23.Nb5 Ra8+-) 22...Ra8+- 23.Nab5 Ra1 24.Ra1 Bb5 25.Nb5 Kc6 26.Nd4 Kb7 (26...Kc5 27.Ra4+-) 27.Ne6 1–0. Shchukin,D (2385) – Dove,P, White Nights, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.0-0 Nh6 13.Bh6= gh6 14.Re1 0-0-0 (14...0-0!?=) 15.c4 d4 16.Qb2 (16.Nbd2 Be8=) 16...Bc5 17.Nbd2 Be8 18.Reb1 Bb4 (18...b6 19.Nb3=) 19.Qb3 Bc3 20.Ra3 Bh5 21.Be4 Na5 (21...Rd7 22.Bc6 bc6 23.Ra6+-) 22.Qa2+= Bf3 (22...Rhe8 23.Rb5 b6 24.c5+-) 23.Nf3+- Rhe8 (23...Rhf8 24.c5 Qc5 25.Qe6 Rd7 26.Bb7 Kc7 27.Ra4+-) 24.Rb5 (24.Bb7!? Nb7 25.Ra7+-) 24...b6+- 25.c5 Qd7? (better 25...Kd7+-) 26.Qb1+- Qc7 (26...Qe7+-) 27.cb6 ab6 28.Ra4 (28.Rb6!? Kd7 29.Ra5 Ba5+-) 28...Qd7 (better 28...Kd7+-) 29.Ra2 d3 (29...Qc7 30.Rb6 Kd7 31.Ra5 Ba5+-) 30.Rb6 d2 (30...Qc7 31.Bb7!! Kd7 32.Qd3 Ke7 33.Qh7 Kf8 34.Qh6 Kg8 35.Qg5 Kf8 36.Qf4 Kg8 37.Qg4 Kf8+-) 31.Rb8 0–1. Assad,K (2125) – Tidman,S (2040), Glorney and Faber Cup, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.Na3? Nd4!-+ 13.cd4 (13.cd4 Qc3 Double attack; 13.Nd4 Qc3 Double attack) 13...Qc3 14.Qd2 Qa1 15.Nb5 Rc8 16.0-0 Qa4 17.Nd6 (17.Qb2 Rc6 18.Bg5 Rb6-/+) 17...Bd6-+ 18.ed6 Nf6 19.Qg5 (19.Ne5 Bb5-+) 19...0-0 20.Re1 Qb4 21.Bf4 Ne4! 22.Qg4 (22.Be4 de4 Combination) 22...Rf6 (22...Rc3 23.Be5 Rf7 24.Be4 de4 25.Qe4-+) 23.Rb1 Qc3 24.Ne5 (better 24.Be4 de4 25.Ne5-+) 24...Qd4 25.Bg3 Rf2 26.Bf2 Qf2 (26...Qe5?! 27.Be4 de4 28.Ba7 Qd6 29.Rd1-+) 27.Kh1 Qb2! 28.Qf4 (28.Rb2 Rc1) 28...Nf2 29.Kg1 Nd3 30.Rb2 Nf4 31.Nd7 (31.g3 Nh3 32.Kg2-+) 31...Rc1 32.Kf2 Nd3 33.Ke3 (33.Ke2 Nb2 34.Nc5 Kf7-+) 33...Nb2 34.Nf6 (34.Ne5 Kf8 35.Kd2 Rg1-+) 34…Kf7 (34...Kf7 35.Nh7 Nc4 36.Kd4 Nd6 37.Ng5 Kf6 38.Nh7 Ke7-+) 0–1. Lerch,Patrice (2330) – Nilsson,Mattias (2145), EU–ch U20 Siofok, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Bd7)

    11.Qe2 Nh6

    12.0-0 Nf7 13.Re1 0-0 14.Na3 Bd7 15.Nb5 Qd8 16.Bd2 Bc5 17.Nbd4 Qe7 18.Reb1 Rab8 19.g3 (19.Nc6 Bc6 20.Be3 Ra8=+) 19...Be8 20.h4 (20.Nc6 Bc6 21.Be3 Ra8-/+) 20...g6 (20...Rc8 21.Nc6 Rc6 22.Nd4-/+) 21.Bf4 Bd7 22.Kg2 Bb6 23.Rh1 a6 (23...Rbc8 24.Qd2-/+) 24.Qe3 Bd8 (24...Qc5 25.Qd2=+) 25.g4 White intends h5 25...Nh8 (25...Rc8!?=+) 26.Bh6= Bc7 (26...Re8 27.h5=) 27.h5 (better 27.Bf8 Rf8 28.h5+-) 27...g5?? (better 27...Rf7=) 28.Ng5 (better 28.Bf8!? Kf8 29.Ng5 Ne5 30.Nh7 Kf7+-) 28...Rf7 29.f4 (29.Nf7?! Nf7 30.Bf4 Be5 31.Be5 Nfe5+=) 29...Na5? (29...Bb6 30.Rhe1+- (worse 30.Nf7 Nf7 31.Bg5 Qc5+-)) 30.Ngf3 (better 30.f5 ef5 31.gf5 (worse 31.Nf7 Nf7 32.e6 Nh6 33.Qh6 Bc6+-) 31...Qe5 32.Qe5 Be5 33.Nf7 Nf7 34.Ra5 Bd4 A) worse 35.Rd5 Bc6 36.Be4 Bc3=+ (worse 36...Bd5 37.Bd5 Bg7 38.Bg7 Kg7 39.f6 Kf8 40.Re1+-); B) 35.cd4 Nh6 36.Rf1+- (36.Rd5?! Bc6 37.Be4 Nf5=)) 30...Nc4+- 31.Qc1 (31.Bc4 dc4 32.f5 ef5 33.gf5 Bf5+-) 31...Bc6 (31...b5 32.Ra6 Bb6 33.f5 ef5 34.Nf5+-) 32.Kg3 (32.Ng5 Bd7+-) 32...Bd7 33.Ra2 (33.Ng5 Bb6+-) 33...Qe8 (33...Bd8 34.Kh2+-) 34.Rg2 (34.Ng5 Bd8+-) 34...Qe7 (34...b5!?+=) 35.g5 Rf5 (35...Qc5 36.g6 hg6 37.hg6+-) 36.Nf5 ef5 37.g6! hg6 38.hg6 (better 38.Kf2+-) 38...Be6?? (better 38...Ng6 39.Kf2 Bb6 40.Nd4 Qe6 41.Rg6 Qg6+-) 39.Bg5 Qg7 40.Bf6 Qg6 (40...Ne5 41.Bg7 Nd3 42.Rh8 Kg7 43.Rh7 Kg8 44.Qa3 Bf4 45.Kh4+-) 41.Kf2 (41.Kf2 Bb6 42.Nd4 Bd4 43.cd4 Qg2 44.Kg2+-) 1–0. Martens,M (2440) – Van Ketel,R (2285), TCh–NED Meesterklasse, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    12.0-0 Nf7 13.Re1 Bd7 14.Na3 0-0 15.Nb5 Qd8 16.Nbd4 g6 17.Rb1 (17.Qe3 Nd4 18.Qd4 a5=+) 17...Rb8 (17...Qc7 18.Ra1=+) 18.Bd2 (18.Ra1 Nd4 19.cd4 a5=+) 18...a6 (18...Qc7 19.Nc6 bc6 20.Rb8 Rb8 21.c4=+) 19.Nc6= Bc6 20.Nd4 Bd7 21.Qg4 Nh8 (21...Qc8 22.Bg6 hg6 23.Qg6 Kh8 24.Bh6+-) 22.Bh6 (22.c4 Bc5 23.cd5 h5=) 22...Re8 23.c4 (23.Ne6 Qc8 24.Bf5 Bd8-+ (24...Qc3?! 25.Rbc1 Qb3 26.Rc7=)) 23...dc4 (23...Qa5 24.Qg3=) 24.Bc4 Nf7 25.Bf4 The pressure on the isolated pawn grows (worse 25.Ne6 Qc8 26.Rbd1 Bb5-/+) 25…Bg5 ½–½. Schulz,HJ (2040) – Hebbinghaus,H (2315), 10th IHEM Hamburg GER, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.Na3 Nf7-/+ 13.Nb5 Qb8 14.Bf4 Bd7 (14...g5 15.Bg3-/+) 15.h4 (15.0-0 0-0=+) 15...a6-/+ 16.Nbd4 Qc7 17.0-0 0-0 18.Rac1 (18.c4 Nd4 19.Nd4 Bc5-/+ (worse 19...Bh4 20.Qh5 h6 21.Qh4 dc4 22.Be4+-)) 18...Nd4 (18...b5!?-/+) 19.cd4=+ Qd8 20.Qc2 (20.h5=+) 20...g6 (better 20...h6!?-/+) 21.Bg6 hg6 22.Qg6 Kh8 23.Bh6 Nh6 24.Qh6 Kg8 25.Qg6 Kh8 ½–½. Schmedders,Hans_Gerd (2305) – Aumann,Welf, Recklinghausen op, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    ... 12.Bh6 gh6

    13.0-0 0-0 14.Na3 Ba3 (14...Bc5 15.Nb5 Qg7 16.Nbd4= Bd7 17.Nc6 bc6) 15.Ra3+= Qg7 16.Ra4 (16.c4 b6= (16...Rf4 17.g3 Bd7) 17.Rb1 d4; 16.Rb1 Rb8 17.Ra4 Bd7) 16...Bd7= 17.Rh4 Kh8 (17...Rf3=) 18.Re1 Be8 19.Qe3 Bg6 20.Rg4 Rg8 21.Nh4 (21.c4 d4 22.Qf4 Raf8-/+) 21...Ne7 (21...Ne5!? 22.Ng6 Ng6=+) 22.Rb1 (22.c4 h5 23.Rg5 dc4 24.Ng6 Ng6 25.Bc4 Qf7+=) 22...b6= 23.Rbb4 Raf8 (23...h5 24.Rg5=) 24.Rg3 (24.Ra4 Rc8 25.c4 h5=) 24...Qf7 25.Rf3 Qe8 (25...Qg7 26.Rf8 Rf8 27.Rg4=) 26.Ng6+= Ng6 27.Rg3 (27.Rh3 Qf7+=) 27...Qf7= 28.Rbg4 (28.Ra4 Nf4 29.Rg8 Kg8=) 28...Nf4=+ 29.Rg8 Rg8 30.Rg8 Kg8 31.Bc2 Kg7 32.g3 Ng6 33.h4 Qe7 (33...h5 34.Kh2=+) 34.f4 Qc5 35.Kf2 (35.Qc5 bc5 36.h5 Nh8=) 35...Ne7 (35...h5 36.Bd1=+) 36.Ke2 (36.Qc5 bc5 37.h5 Nc6=) 36...Qc4 (36...h5 37.Kd2=+) 37.Qd3 b5 (37...Qd3 38.Bd3 (worse 38.Kd3 Nf5-/+) 38...h5 39.Kd2=+) 38.Kd2 (38.h5 a5=) 38...Nf5 (38...Qd3 39.Bd3 (worse 39.Kd3 Nf5-+) 39...Nf5 40.Bb5 Ng3 41.c4 dc4 42.Bc4=) 39.g4?? (better 39.Qf3 Qa2 40.g4 Nh4 41.Qd3+=) 39…Qf4-+ (39...Qf4 40.Ke1 Qg4 41.Qb5 Qh4 (41...Nh4?! 42.Qb7 Kf8 43.Qb8 Ke7 44.Qc7 Ke8 45.Qc8 Kf7 46.Qc7 Kg8 47.Qc8 Kf7 48.Qc7 Ke8 49.Qc8 Ke7 50.Qc7 Ke8=) 42.Kd1 Qh1 43.Kd2 Qh2 44.Qe2 Qf4 45.Kd3 Ng3-+) 0–1. Hargues,F (2075) – Vehi Bach,V (2420), XXVIII Open, San Sebastian ESP (6), 2005. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    13.0-0 0-0 14.Re1 Bc5 15.Ra4 Rf7 16.Nbd2 Bd7 17.Rh4 Bf8 18.c4 Ne7 (18...a5 19.cd5 ed5 20.e6=) 19.Nd4 Re8 (19...a5 20.Qh5 Rg7 21.Rg4+=) 20.Qh5 dc4 21.Nc4 Ng6 22.Rg4 Rg7 23.Qh6 b5 24.Nd6 (24.Bg6!? hg6 25.Nd2+-) 24...Bd6+= 25.Bg6 hg6 (25...Be5? 26.Be8 Rg4 27.Ne6+- (27.Nb5?! Qc6 28.g3 Bg3 29.hg3 Qb5=)) 26.ed6 Qd6 27.Nf3 e5 28.Rh4 Qf6 29.Ng5 (29.Rhe4 Rf8 30.Re5 Qf4=+) 29...Rge7 30.Ne4 Qg7 31.Qe3 Be6 32.Nd6 Rb8 33.Re4? (better 33.Rb4 Rb6 34.Ne4= (worse 34.Nb5 Reb7-/+)) 33...Rb6-+ 34.Qc5 Rd7 (34...Rc7 35.Qb6 (35.Qe5? Qe5 36.Re5 Rd6-+) 35...ab6 36.Ne8-+) 35.Ne8? (35.Qc8 Qf8 36.Qf8 Kf8 37.Nc8-+) 35...Qf8 (better 35...Qf7!?-+) 36.Qf8 Kf8 37.Nf6 Rf7 38.Ng4 Bf5 39.Ne5 Be4 40.Nf7 Kf7 41.Re4 0–1. Moeldner,Juergen (2285) – Stewart,Neil (2310), RLP–chA Kettig, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    13.0-0 0-0 14.Re1 Bd7 15.Nd4 (better 15.Na3!?=) 15...Nd4-/+ 16.cd4 Rf4 (16...Qb6!?-/+) 17.Nd2 Rd4 18.Qe3 Rh4 (18...Rg4 19.Rec1 Qb8 20.Qh6=+) 19.Nf3= Rg4 20.Qh6 Rg7 21.Rac1 (21.Rec1 Qd8=) 21...Qb6 (21...Qa5!?=+) 22.Rb1= Qd8 (22...Qc7!?=) 23.Rb7+- Qf8? (23...Rb8 24.Ra7 Bf8 25.Ng5 Qg5 26.Bh7 Kh8 27.Qg5 Rg5 28.Rd7+=) 24.Qh3 (better 24.Rd7 Rg2 25.Kg2 Qh6 26.Re7+-) 24...Bc6?? (better 24...Qc8 25.Rd7 Qd7+=) 25.Qe6 (25.Ng5 Qc8 (25...Bb7 26.Bh7 Kh8 27.Bf5 Kg8 28.Be6 Qf7 29.Nf7 Rf7 30.Qf5 Raf8 31.Re3 Bh4 32.Qg6 Kh8 33.Qh6 Kg8 34.Rh3 Bf2 35.Kh1 Bh4 36.Qh4 d4 37.Rg3) 26.Rc7 Bd7 (26...Qc7 27.Bh7 Kf8 28.Ne6 Ke8 29.Nc7 Kd8 30.Ne6 Kd7 31.Ng7 Kc7 32.Ne6 Kb6 33.Rb1 Bb5 34.Qc3 Rd8 35.Qc7 Ka6 36.Ra1 Ba4 37.Bd3) 27.Rc8 Rc8 28.Bh7 Kf8 29.Ne6 Be6 30.Qe6 Rc7+-) 25...Kh8 26.Qc6 (better 26.Re7 Qe7 27.Qc6+-) 26...Qf3 27.Bf1?? (better 27.Bg6! Qf8 28.Bh5+-) 27...Rf8 (better 27...Rg2! 28.Bg2 Rg8-+) 28.Rb2 (better 28.Qc2 Qf2 29.Qf2 Rf2 30.Rb5=) 28...Bh4?? (better 28...Rg2! 29.Bg2 Rg8=+) 29.g3+- Bd8 (29...Rg3!? 30.hg3 Bg3 31.Qf6 (31.fg3?! Qg3 32.Rg2 Qe1=) 31...Rf6 32.ef6 Qf6 33.Re8 Kg7 34.Rb7 Kh6 35.fg3+-) 30.Bg2 (30.Re3 Qf5 31.Bd3 Qf7+-) 30...Qa3 31.Rbe2 (31.Rb8 Bb6 32.Rf8 Qf8+-) 31...Bb6 (31...d4 32.Qb5+-) 32.e6 (32.Qd5 Qc3 33.Qd1 Rgf7+-) 32...Re7 (32...Qc5 A) 33.Qd5?! Rf2 34.Qc5 Re2 (34...Bc5?? 35.Rf2 Re7 36.Bc6+-) 35.Re2 Bc5 36.Kf1 Rc7+=; B) 33.e7 Re7 34.Qc5 Bc5 35.Re7 Bf2 36.Kh1 Be1 37.Re1+-) 33.Qd5 Qb4 (33...Qa5 34.Qd1+-) 34.Rf1 a5 (34...Qg4 35.Qa2+-) 35.Qe5 Kg8 (35...Rg7 36.e7 Re8+-) 36.Re4 Bf2 (36...Rf2 37.Rf2 Qb1 38.Bf1 Bf2 39.Kf2 Qb6 40.Kg2 Qc6+-) 37.Kh1 (37.Rf2 Qb1 38.Bf1 Ra8 39.Rf7 Rf7 40.ef7 Kf7 41.Qf5 Kg8 42.Rg4 Kh8 43.Qe5) 37...Bd4 38.Rg4 Rg7 39.Rg7 (39.Rg7 Kh8 40.Re7 Rf6 41.Re8 Qf8 42.Rf8 Kg7 43.Rf7 Kg8 44.Qb8; 39.Qd4?! Rf1 (39...Rg4?? 40.Rf8 Kf8 41.Qf6 Kg8 42.e7 Qe1 43.Bf1+-) 40.Bf1 Rg4 41.Qd8 Kg7 42.Qc7 Kh6=) 1–0. Xu,Xianliang (1920) – Imcke,Patrick (1710), DEM Willingen U12, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    13.0-0 0-0 14.Re1 Bd7 15.Qe3 Rf7 (15...Kg7 16.c4=) 16.Qh6 Rg7 17.Ra4 (17.Na3 Nd8=) 17...Kh8 (17...Ne5!? 18.Ne5 Ba4 19.Qe6 Kf8 20.Bh7 Rh7=) 18.Rg4!?+= Rag8 (18...Rg4 19.Qh7) 19.Rg3 Bc8 20.Rh3 Bd8 (20...Rg2?? 21.Kh1 Bh4 22.Rh4+- (worse 22.Nh4 Qg7 23.Qh7 Qh7 24.Bh7 Rf2 25.Bg8 Kg8+-)) 21.Rh5 (21.Kh1 a6=) 21...Qf7 (better 21...Rg2!? 22.Kf1 R2g7-/+) 22.Kf1 Rf8 23.c4? (23.Nbd2 Bd7=) 23...Ne7 (better 23...Nb4 24.Rd1 Nd3 25.Rd3 dc4-+) 24.Nc3?? (better 24.Rg5=) 24...Ng8 (better 24...dc4 25.Bh7 Rh7 26.Qh7 Qh7 27.Rh7 Kh7-+) 25.Qh7-/+ Rh7 26.Rh7 Qh7 27.Bh7 Kh7 (worse 27...dc4 28.Bg8 Rg8 29.Nb5+=) 28.cd5 Ba5 29.Ng5 (better 29.Rc1!? Bc3 30.Rc3 ed5 31.Nd4-/+) 29...Kg6 30.Nge4 ed5 31.Ra1 Bc7 (31...Bc3!? 32.Nc3 Ne7 33.Ra7-+) 32.Nd5 Be5 33.Ra7 Bf5 (33...Be6 34.Ra5-+) 34.Ra4 (34.Nc5 Rd8 35.Ne3 b6-/+) 34...Bd7 35.Rb4 (35.Ra5 Bh2 36.g3 Bc6-+) 35...Bc6 36.Nec3 Rd8 (36...Bh2?! 37.Rg4 Kf7 38.g3-/+) 37.Rg4 (37.Nf4 Kh6 38.Nfe2 Rd2-+) 37...Kh5 38.h3 (38.Re4 Bc3 (38...Rd5?! 39.Nd5 Bc7 40.Rd4=) 39.Nc3 Be4 40.Ne4 b5-+) 38...Rd5 (38...Bd5?! 39.Nd5 Rd5 40.Rg8-/+) 39.Nd5 Bd5 40.f4 Bf6 41.f5 b5 42.Ke1 (42.Kf2-+) 42…Nh6 (42...Nh6 43.Rg6 Bc3 44.Ke2 Nf5-+) 0–1. Pudas,Teemu (2150) – Larino Nieto,David (2350), BELFORT World Youth Chess Championship, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    13.0-0 0-0 14.Qe3 Rf7 15.Re1 Bd7 16.Qh6 Rg7 17.Nbd2 Rf8 18.Qe3 a6 19.Nf1 Be8 20.Ng3 Nd8 21.Ne2 Bc5 22.Ned4 Qe7 (22...Bh5 23.Nd2=) 23.Qh6 Bg6 24.Bg6 Rg6 25.Qd2 (25.Qh3 Rf4=) 25...Nf7 (25...Qg7 26.g3=) 26.g3 (26.Kh1 Kh8=) 26...Nh6 27.Kg2 Ng4 28.h3 Rf3?? (better 28...Nh6=) 29.Kf3+- (29.Nf3?! Nf2 30.g4 Qg7=+) 29...Qf7 (29...Nh6 30.Kg2+-) 30.Kg2 (30.Kg2 Nh6 31.Reb1+-) 1–0. Lampen,T (2305) – Rud,M (2145), Eikrem mem Gausdal NOR, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    13.0-0 Bc5 14.Na3 0-0 15.Nb5 Qg7 16.Ra4 (16.Nbd4 Rf4=) 16...a6 17.h3 h5 18.Nbd4 Bd7 19.Nc6 (19.Raa1 Kh8=+) 19...Bc6 (worse 19...bc6 20.Rfa1+=) 20.Rh4 Be8 21.Kh1 (21.c4 Qe7 22.g3 a5=+) 21...Be7 22.Rd4 b5 23.Rg1 (23.Qd2 Bc5 24.Ng5 Qh6=+) 23...Kh8 (23...Bg6 24.Bc2-/+) 24.g3 (24.Bc2 h4!-/+) 24...Rc8 25.Nd2 (better 25.Ra1!?-/+) 25...Rc3-+ 26.g4?? (26.Nb1 Rc8 27.Rf4-+) 26...Bc5 27.gh5 Qg1! (27...Bd4?! 28.Rg7 Kg7 29.Qg4 Bg6 30.Bf1 Bf2 31.hg6-/+) 28.Kg1 Bd4 0–1. Meszaros,Tamas – Farkas,Richard, 34th Zalakaros Chess Festival, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6 12.Bh6 gh6)

    13.0-0 Bc5=+ 14.Nbd2 Qg7 (14...Rg8 15.Nb3 Bb6 16.c4=+) 15.Kh1 Bb6 (15...Rg8 16.Rg1=) 16.c4 0-0 (16...Rg8 17.Rg1=) 17.Nb3 (17.Rab1 Bc7 18.Rbe1 a5=+) 17...Bd7 18.Rfe1 Rf4 19.Rad1 (19.c5 Bc7=) 19...Kh8 (19...dc4 20.Bc4 Bf2 21.Rf1=+) 20.Rg1 (20.c5 Bc7=) 20...Raf8 21.cd5 (21.Rge1 dc4 22.Bc4 Bf2 23.Qf2 Rc4=+) 21...ed5-/+ 22.e6 Bc8 23.Bc2 Qg8 (23...Nb4 24.Bb1-/+) 24.Rge1 R4f6 25.e7 Re8 26.Nfd4 (26.Qd3 Bf2 27.Rf1 Bb6-+) 26...Rf7 (26...Re7 27.Qd2-+) 27.Qd2-/+ Qg7 28.Rf1 (28.Nc6 bc6 29.f3 Qf6-+) 28...Bg4 (28...Nd4 29.Nd4 Ree7 30.Nb5-+) 29.f3 Bd7 30.g4 (30.Nc6 bc6 31.Rde1 Rfe7 32.Re7 Re7-+) 30...Rfe7 (30...Ne7 31.Rfe1-+) 31.Bf5 (31.Nf5 Bf5 32.Bf5 Re2-+) 31...Nd4 32.Nd4 Qd4 (32...Bd4 33.Bd7 Rd7 34.Qd4 Qd4 35.Rd4-+) 33.Qd4 Bd4 34.Bd7 Rd7 35.Rd4 b5 0–1. Ansel,Andy (2135) – Boucher,William (2460), USA/C18/sf04, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    13.0-0 Bd7 14.Nbd2 0-0-0 (14...0-0!?=) 15.Nb3 Rdf8 16.Nbd4 Bc5 17.Bb5 Kb8 (17...Rhg8!?+=) 18.Bc6+- bc6 19.Ra6 Bb6 20.Rb1 Rhg8 21.Kf1 (21.Qa2 Qb7 22.Kf1 Rg7+=) 21...Rf4+= 22.Qa2 Qb7 23.Qa3 c5 24.Ne2 Rf7 25.Ng3 Bc8 (25...Bc6 26.Kg1=) 26.Ra5 Ka8 (26...Qc7 27.Rc5 Qe7 28.Ra5 Qa3 29.Ra3+=) 27.Nh5 Rgf8 (27...Rf3 28.gf3 Rg5 29.Ng3+-) 28.Nf6 Qc7 29.Rab5 Kb8 30.Rc5 (30.Kg1 Bb7+-) 30...Ba6 (30...Qe7 31.Nd4 Ba6 32.Kg1+-) 31.Kg1 (31.Ke1 Qe7 32.Nd7 Qd7 33.Qa6 Qb7+-) 31...Qe7 32.Qa5 (better 32.Nd4!? Bb7 33.Ra5+=) 32...Qb7=+ 33.Qa3 Bc5 34.Rb7 Rb7 35.Qc1 (35.Nd7! Ka8 36.Qa1=+) 35...Bd3-/+ 36.Nd2 Rc8 37.h4 (37.Qa1!?-/+) 37...Bd4!-+ 38.Qa3? (38.cd4 Rc1 Pinning (38...Rc1 Deflection; 38...Rc1 Decoy; 38...Rc1 Clearance)) 38...Bc3?? (better 38...Be5 39.Ng4 Bf4-+) 39.Qd6=+ Rbc7 (39...Ka8 40.Qe6 Rd8 41.Nf3=) 40.Nd7= Kb7 (40...Ka8!? 41.Qe6 Bb5=) 41.Qe6+= d4 42.Qd5 Ka6 43.Nb3 Exerts pressure on the isolated pawn 43...Bc4 44.Qd6 Kb5 45.Nd4 Bd4 46.Qd4 a5? (better 46...Be6 47.Qd3 Bc4 48.Qb1 Kc6+-) 47.e6! Be6 (47...Bb3 48.e7 Bf7 49.Qb2 Kc6 50.Ne5 Kd6 51.Nf7 Ke7 52.Nh6 Rc1 53.Kh2+-) 48.Qb6 Ka4 49.Qe6 Rc1 50.Kh2 R8c6 (50...R8c2 51.Qh6 Rf1 52.Qf4 Kb3 53.Qf3 Kb2 54.Nc5+-) 51.Qa2 (51.Qa2 Kb4 52.Qb2 Ka4 53.Nb6 Rb6 54.Qb6+-) 1–0. Boelhouwer,Collin – Kuijpers,Charles, HZ Open Vlissingen NED, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    13.Na3 Nd4 14.Nb5 Nb5 (14...Nf3 15.gf3 Qc5 16.Qe3=+) 15.Bb5= Bd7 16.Bd7 Qd7 17.0-0 0-0 18.Nd4 Rf4 19.Qe3 Re4 20.Qh6 Re5 21.Rfe1 Bf8 22.Qf4 (22.Qh3 Bg7=) 22...Re1 23.Re1 Re8 24.Qg4 The pressure on the backward pawn e6 grows 24...Qg7 25.Qe2 e5 26.f4 e4 27.Qh5 (27.Qa2!? Qf7 28.Qa7=+) 27...Qf7-/+ 28.Qg5 Kh8 29.Rd1 a5 (29...Be7 30.Qg4-/+) 30.Nc2 (30.Ne2 a4-/+) 30...Qg7 31.Qh5 Ra8 (31...Bc5 32.Kh1 Rg8 33.Rd2-/+) 32.Rd5 (better 32.Qd5!? Qc3 33.Qe4=) 32...Qc3-/+ 33.Qe2 Rc8 34.Qe4 Bg7 35.h3 a4 (worse 35...Qc2 36.Rd8 Rd8 37.Qc2+-) 36.Qa4 (better 36.Kh2!? Qc6 37.Nb4=+) 36...Bf6-/+ 37.Na3? (better 37.Rd7 Qc2 38.Qc2 Rc2 39.Rb7-/+) 37...Rg8?? (37...Qe3 38.Kh2 Rg8 39.Qc2 Qa3 40.Qf2-+) 38.Qe4?? (better 38.Nc2=) 38...Qc1 (38...Qa3 39.Kh1 Qc1 40.Kh2-+) 39.Kh2 Qa3 40.Rd7 Qg3 41.Kh1 Qg6 (41...Bg7!?-+) 42.Qg6-/+ Rg6 43.Rb7 Bh4 (43...Rg3 44.Kh2 Bh4 45.f5-/+) 44.g4=+ Re6 45.Kg2 Re3 46.Rb8 Kg7 47.Rb7 Kg6 (47...Re7!? 48.Rb3 Rf7=+) 48.Rb6= Kg7 49.Rb7 Kg8 50.Rb8 Kf7 51.Rb7 Be7 (51...Re7 52.Rb8-/+) 52.Rb6 ½–½. Gajewski,Grzegorz (2360) – Jedynak,Radoslaw (2415), chJ–Poland b20, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.Qe2 Nh6)

    11.Bf4 Nh6

    12.0-0 0-0 13.Bh6 gh6 14.Re1 Bc5 15.Nbd2 Qg7 16.Ra4 (16.Nb3!? Bb6 17.Nbd4=+) 16...Bd7=+ 17.Rh4 Kh8 18.Nf1 (18.Rh3 a5=+) 18...Rf7 19.Ng3 Rg8 20.Qd2 (20.Rh5 Rf4=+) 20...Rf3!-+ 21.gf3 Ne5 22.Be2 (22.Qe2 Be7 23.Rd4 Bf6-+) 22...Qg5 23.Qg5 (23.Rd4 Ng6-+) 23...hg5 (23...Rg5?! 24.f4 Ng6 25.fg5 Nh4 26.gh6=+) 24.Rh5 Be8 25.Rh6 Bf7 26.Bd1 Nd3 27.Bc2 Kg7 (27...Bf2?! 28.Kf1 Rg6 29.Bd3 Rh6 30.Kf2 Rh2 31.Ke3-/+) 28.Ree6 Be6 29.Re6 Nf4 (29...Bf2 30.Kf1 Nf4 31.Nf5 Kh8 32.Re7=; 29...Nf2 30.Kg2 Kh8 31.Re5=+) 30.Nf5 Kh8 31.Rf6?! (31.Re5 Rc8-+) 31...Rf8 (31...Re8 32.Kf1 Re2 33.Ne3 Be3 34.fe3 Re3 35.Rf8 Kg7 36.Rb8 Rf3 37.Ke1 Re3 38.Kd1-+) 32.Rh6 (32.Rf8 Bf8 33.Kf1 Bg7-+) 32...Ne2 (32...Rf7!? 33.h4 Bf8 34.Nd6-+) 33.Kf1 Nc3 34.h4 (34.Rh5 b5-+) 34...gh4 35.Nh4 Rf7 36.f4 a5 (36...Kg8 37.Nf5 Bb4 38.Rh3-+) 37.Nf3 Ne4 (37...Rf4 38.Rh7 Kg8 39.Kg2-+) 38.Ne5 (38.Be4 de4 39.Ng5 Rf4 40.Rh7 Kg8 41.Rc7 Rf2 42.Ke1-+) 38...Rf4 39.Ng6 Kg7 40.Nf4 Kh6 41.Nd5 Nf2 42.Nf6 Nh3 (better 42...b5-+) 43.Nh7 (43.Bh7 Bd4 44.Bf5 Nf4 45.Ng4 Kh5-+) 43...Nf4 (better 43...Be7-+) 44.Nf6 Kg7 (44...b5 45.Ne4 Be7 46.Kf2-+) 45.Ne4 b6 46.Ke1 Kf7 47.Bb3 Ke7 48.Kd2 Kd7 49.Ba4 Ke6 50.Kc3 Kd5 51.Nf6 Ke5 52.Nd7 Kd6 53.Kc4 Nd5 54.Nb8 Nc7 55.Nd7 Bg1 56.Nf6 Ne6 57.Ne4 Kc7 (57...Ke5 58.Nd2 Be3 59.Nf3 Kd6 60.Bb5-+) 58.Kd5 Nf4 59.Kc4 Be3 60.Nc3 (60.Bb5 Ne6-+) 60...Kd6 61.Ne4 Ke5 62.Nc3 Bc5 63.Bc2 Ne6 64.Na4 Kd6 65.Nc3 Nd4 (65...Bg1 66.Nb5 Ke5 67.Na7-+) 66.Ba4 (66.Nb5 Nb5 67.Kb5 Kd5-+) 66...Ke5 67.Nb5 Nf5 68.Nc3 Nd6 69.Kd3 Bb4 70.Nb5 Kd5?? (70...Ne4 71.Kc4-+) 71.Nd6?? (71.Nc7 Ke5 72.Nb5-+) 71...Bd6-+ (71...Kd6?! 72.Kc4-+) 72.Kc3 Kc5 73.Bd1 b5 74.Be2 a4 75.Kb2 Kb4 76.Bh5 Ka5 77.Bf7 b4 78.Bc4 Kb6 79.Bf7 Be5 80.Ka2 Ka5 81.Bc4 Bd4 82.Bf7 Kb5?? (better 82...Kb6-+) 83.Be8-/+ Ka5 84.Bd7?? (84.Bf7 Bc3 85.Be6-+) 84...b3-+ 85.Kb1 (85.Ka3 Bc5 86.Kb2-+) 85...a3 86.Be6 a2 87.Kc1 a1Q (87...a1Q 88.Kd2 Qc3 89.Kd1 Qd3 90.Ke1 Qe3 91.Kd1 Bc3 92.Bb3 Qd2) 0–1. Franck,B (2090) – Andersen,HC (2210), 22nd ch–NATO, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.0-0 0-0 13.Bh6 gh6 14.Re1 Rf7 15.Qd2 (15.Na3 Bc5=) 15...Bf8 (15...Rf3 16.gf3 Ne5 17.Qf4-/+) 16.Na3 (16.Qe3 a5=) 16...Bg7 (better 16...Rf3!? 17.gf3 Ne5-/+) 17.Nb5 Qb8 18.Qe3 Now all is on a7 18...Re7 (18...Bd7 19.Nbd4=) 19.Ra4 (19.Nbd4 Bd7+=) 19...a6 20.Nd6 (20.Nbd4!?=) 20...Ne5=+ 21.Ne5 Qd6 22.Rg4 Kh8 23.Qf4 Qc7 (better 23...Qd8=) 24.Re3+- h5 (24...b5 25.Rg7! Rg7 26.Qf8 Rg8 27.Nf7 Qf7 28.Qf7+-) 25.Rg7! (25.Rg7 Rg7 26.Qf8 Rg8 27.Nf7 Qf7 28.Qf7 Rg7 29.Qf8 Rg8 30.Qf6 Rg7 31.Rg3 e5 32.Qg7) 1–0. Dovzik,Juri (2395) – Vrana,Frantisek (2250), Komercni Banka op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.0-0 0-0 13.Bh6 gh6 14.Qe2 Bd7 (14...a5 15.Qe3=) 15.Qe3 (15.c4 a5=) 15...Rf7 (15...Kg7 16.c4=+) 16.Na3 (16.Re1 Kg7=) 16...Raf8 (16...Na5!?=) 17.Nb5+= a7 seems the pivot of the position 17...Qb8 18.Rfe1 (18.Nbd4 a6+=) 18...Rf3 19.gf3 Bg5 20.Qe2 Bf4 e5 draws heavy fire 21.Kh1 Qe8 (21...a6!? 22.Nd4 Ne5-/+) 22.Rg1= Kh8 23.Rg2 (23.Na7 Qh5 24.Rg2 Ne5=+) 23...Ne5 (23...Qb8=+) 24.Nd4 (24.Na7!? Qh5 25.Bb5=) 24...Qh5 (24...a6 25.Rag1-/+) 25.Rag1 ½–½. Savory,Richard J (2100) – Easton,Alex (2100), 4NCL, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.0-0 Nf7 13.Nd4 Nce5-/+ (13...Nfe5?? 14.Nc6 Nf3 15.Qf3 Qc6 16.Be5+-) 14.Bb5 (14.Qh5 g6 15.Bb5 Bd7-/+) 14...Kf8 15.Re1 (15.Bg3 h5-/+) 15...Bd6 (15...g5 16.Bd2-/+) 16.g3 (better 16.Qh5-/+) 16...Ng6?? (better 16...g5 17.Be3 Kg7-/+) 17.Re6+= Bd7? (better 17...Ne7 18.Bd6 Nd6+-) 18.Bd6+- Nd6 19.Qf3 Kg8?? (19...Nf7 20.Qd5 Bb5 21.Qb5 a6 22.Rg6 ab5 23.Ra8 Ke7 24.Nf5 Kd7 25.Rg7 Ra8 26.Rf7 Kc8 27.Rc7 Kc7+-) 20.Bd7 Nf8 (20...Qd7 21.Qd5 Qf7 22.Qd6+-) 21.Qd5 (better 21.Re7 Qc5 22.Ra5+-) 21...Ne6 22.Qe6 Kf8 (22...Nf7 23.Ra7! Rf8 24.Nc6+-) 23.Na3 Rd8 24.Ba4 (24.Qd5 Qd7 25.Ne6 Qe6 26.Qe6 h5+-) 24...Qf7 (24...Qe7 25.Qb3 Rc8 26.Ne6 Kg8 27.Rd1+-) 25.Re1 (25.Qe5 Qf6 26.Qd5 Qf7 27.Ne6 Kg8+-) 25...Qe6 26.Ne6 (26.Re6?! g6+-) 26...Kf7 27.Nd8 (27.Bb3 Ke7 28.Nc5 Kf8+-) 27...Rd8 28.Rd1 Ke7 29.c4 (29.Nc2 Nc4 30.Re1 Kf6+-) 29...Rc8 30.Bb3 (30.Re1 Kf7+-) 30...a6 (30...Rc5 31.Kg2+-) 31.Re1 Kd8 32.Rd1 Kc7?? (32...Ke7 33.Kg2+-) 33.Re1 (33.Bc2 g6+-) 33...Nf5?? (33...Kd8 34.Re6 Kd7+-) 34.Re5 (34.Bd1 Rd8+-) 34...Nd4 35.Rc5 (35.Bd1 Nc6 36.Rf5 Rd8+-) 35...Nc6 (35...Kb8 36.Rc8 Kc8 37.Bd1+-) 36.Bc2 (36.Kg2 g6+-) 36...Kb6 (36...g6 37.Be4+-) 37.Rg5 (37.Rh5 h6+-) 37...g6 38.c5 Ka5 39.Nc4 (39.Rg4 b5 40.cb6 Kb6+-) 39...Kb4 40.Nd6 Rc7 41.Be4 Nd8 (41...a5 42.Nb7! Rb7 43.Bc6+-) 42.h4 (better 42.Rd5!? Rc5 43.Rd1 Re5+-) 42...a5 43.h5 Ne6?! (43...Rc5 44.Rg4 gh5 45.Rf4+-) 44.Re5 (better 44.Rg4 gh5 45.Rh4+-) 44...Nc5 45.hg6 (45.Ne8 Rd7 46.hg6 hg6 47.Bg6 a4+-) 45...hg6 46.Bg6 ½–½. Hall,Odell (2030) – Galant,Sergey (2220), It Open Stillwater (USA), 2007. (=1.e4 c5 2.Nf3 Nc6 3.a3 e6 4.b4 cb4 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 f6 9.Bd3 fe5 10.de5 Qc7 11.Bf4 Nh6)

    12.Na3 Ba3 13.Ra3 Nf7=.

    12.Qc2 Nf7-/+ 13.Bh7 Nfe5 14.Bg6 Kd8 15.Ng5 Bg5 (15...Bd6 16.Na3 Qe7 17.Nb5-/+) 16.Bg5=+ Ne7 17.f4 Ng4 18.Qe2 (18.Qd1 Nh2 (18...Rh2? 19.Rh2 Nh2 20.Qh5+-) 19.g3 Qb6=) 18...Nf6 (18...e5!? 19.g3 Rh3-/+) 19.Bd3= Qc5 20.Kd2 Bd7 21.g3 Rc8 22.Rf1 (better 22.h4!?=+) 22...d4-/+ 23.cd4? (better 23.c4-/+) 23...Qd4-+ 24.Ra2 Ned5 25.Bf6 (25.Rc1 Nb4 26.Rc8 Kc8-+) 25...gf6 (25...Nf6?! 26.Rc2 Rc2 27.Kc2 Ba4 28.Kc1-+; 25...Qf6 26.Rc1 Nb4 27.Rc8 Bc8 28.Ke1 Na2 29.Qa2-+) 26.h4 (26.Rc1 Nb4 27.Rc8 Kc8-+) 26…Nb4 0–1. Weng,Annegret (2115) – Gempe,Anet (2105), BL9596 (Women), 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Qc7)

    12.Bh6 gh6 13.Qe2 Bd7 14.0-0 0-0-0 15.Na3 Ba3 16.Ra3 Rdf8 17.Nd4 a6 Controls b5 (17...Ne5? doesn't work because of 18.Ra7 Qd6 19.Rb1 Nd3 20.Qd3+-) 18.Rb1 Nd4 19.cd4 Bc6? (19...Rhg8 20.Qb2 Bc6 21.Rc3+-) 20.Qg4 (better 20.Rc3!? Kd7 21.Qe3+-) 20...Qf7 21.Rb2 (21.Rc3 Kd8 22.Qe2 Rhg8+-) 21...h5? (better 21...Rhg8!? should not be overlooked 22.Qh3 Kd7+=) 22.Qh3 Re8?? another step towards the grave (better 22...Qd7+-) 23.Rc3+- Qc7 24.Rbc2 (better 24.Rc6 and White takes home the point 24...Qc6 25.Rc2 Qc2 26.Bc2+-) 24...Qb6 25.Qh5 (25.Rc5!?+-) 25...Qd4+= 26.Ba6 (26.Bh7?? taking the pawn will bring White grief 26...Re7 27.Qe2 Reh7-+; 26.Rc6?! is impossible 26...bc6 27.Rc6 Kb8=) 26...Kb8 27.Rb3?? letting the wind out of his own sails (27.Bf1 Rhf8=) 27...Qa1?? not a good decision, because now the opponent is right back in the game (better 27...Qa4 would have given Black a clear advantage 28.Qh3 Qa6-+) 28.Bf1= White has a king attack 28...Ba4 29.Rb7 Kb7 30.Qf7 Ka8 31.Rc5 Bb5 Black has a mate threat 32.Rb5 White has a mate threat 32...Qa7 33.Qf4 Rb8 34.Rb8 Rb8 35.g3 Qd7 36.Bd3 Rb3 Black threatens to win material: Rb3xd3 37.Bh7 d4 (37...Kb8 38.Bc2 Rb2 39.Bg6=) 38.Qf8 (38.Bc2 Rc3 39.Bd1 d3+=) 38...Ka7= 39.Qc5 Kb8 40.Qf8 Kc7 41.Qc5 Kb8 42.Qf8 ½–½. Llaneza Vega,M (2160) – Navarro Ortiz de Orruno,B (2075), ESP–ch U14 Oropesa del Mar, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Qc7 11.Bf4 Nh6)

    12.Bh6 gh6 13.Qe2 Bd7 14.0-0 0-0-0 (14...0-0!?=) 15.Na3+= Rdf8 (15...a6 16.Rfd1+=) 16.Nb5 Qb8 17.Rfb1 Rf3 (better is 17...Kd8!?+=) 18.Qf3+- (18.gf3?! Ne5 19.Na7 Kd8+=) 18...a6 19.Nd4 (19.Nd6 Bd6 20.ed6 Qd6+/-) 19...Ne5 (19...Qe5!? 20.Qd1 Bd6+/-) 20.Qe2 Nd3 21.Qd3 Qc7 22.Ra6 ba6 23.Qa6 Kd8 24.Qa8 Qc8 25.Rb8 Kc7 26.Qa7 (26.Rc8 Rc8 27.Qa7 Kd8 28.Qb6 Ke8 29.Ne6 Kf7+-) 26...Kd6 27.Rc8 Rc8 28.Qa3 Ke5 (28...Rc5 29.Nb3 Kc6 30.Qa6 Kc7 31.Qa7 Kc6+-) 29.Qe7 (29.Qe7 Rc3 30.Ne2+-) 1–0. Medina,Hernan (2100) – Petro,Manuel (1825), Medellin COL, Men Ch semi–final, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.de5 Nh6

    11.Qc2 Nf7-/+ 12.Bf4 g5 13.Bg3 g4 14.Nd4 Nd4 15.cd4 Qb6 16.Nc3 Qd4 17.0-0 Kf8 (17...Qc5!?=+) 18.Nb5 Qc5 19.Qe2 h5 20.Rfc1 Qb6 21.Nc7 (21.Bf4 Bd7 22.Be3 Qd8 23.Ba7 Bb5 24.Bb5 Bg5 25.Bc5 Kg7 26.Ra8 Qa8=) 21...Rb8= 22.Rab1 Bb4 (better 22...Qa5!?=) 23.Nd5! ed5 24.e6 Be6 (better 24...Qe6!? 25.Bb8 a5+-) 25.Bb8+- Qd4?? (25...Rh6 26.Qb2 Bc5+-) 26.Ba7 (better 26.Qe6 Rh6 27.Rb4 Qf2 28.Kf2 Re6 29.Rb7 a5+-) 26...b6 27.Rd1 (27.Qe6 Qd3 28.Qf6 Bc3 29.Qc3 Qc3 30.Rc3 h4+-) 27...Ng5 28.Bf5!! Qf4 (28...Bf5 29.Rd4 Discovered attack) 29.Be6 Bd6 30.g3 Nf3 (30...Qf3 31.Qf3 Nf3 32.Kf1+-) 31.Kg2 (31.Kh1 Nd4 32.Qd3 Qf3 33.Qf3 Nf3 (33...gf3?? 34.Rd4 Bc5 35.Rf4 Kg7 36.Bd5+-) 34.Bd5 Rh7 35.Bb6 Ne5+-) 31...Qf6 Black plans h4 (31...Nd4 32.gf4 Ne2+-) 32.Bd5 h4 33.Bb6 (better 33.Qe6 Qe6 34.Be6+-) 33…hg3 (33...hg3 34.Qa2 Rh2 35.Kf1 g2 36.Ke2 g1N 37.Rg1 Qe5 38.Kd3 Ng1 39.Qa8 Qe8 40.Qe8 Ke8 41.Rg1 Rh3 42.Kc4 g3+-). Rotov,Igor – Dubrovin,R (2220), 19th Puhajarve Rapid (27), 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6)

    11.Bf4 Nf7 12.h4 Qc7 (12...0-0 13.Nbd2-/+) 13.Kf1 (13.0-0 0-0 (13...Nce5?? 14.Ne5 Bd6 15.Nf7 Kf7 16.Qh5 Ke7 17.Bd6 Qd6 18.Re1+-; 13...Nfe5? 14.Ne5 0-0 15.Qh5+-) 14.Re1 Bc5=+) 13...a6 (13...0-0 14.Qe2-/+) 14.Qe2 Bd7 15.Nbd2 (15.Rh3 Nh6=+) 15...Na5 (15...0-0!?-/+) 16.c4=+ dc4 17.Nc4 Nc4 18.Bc4 Rc8 19.Bd3 Bc6 (19...0-0 20.Kg1=) 20.Rh3 Rd8 21.Kg1 Rd5 22.Rc1 Qb6 (22...Rc5 23.Rc5 Bc5 24.Rg3=) 23.Ng5 (23.Bc4 0-0+=) 23...Ng5 24.hg5 Kd7 25.Be3 Qa5 26.f4 (26.g6 h6+=) 26...Bb5 27.Rd1 (27.Bb5 Qb5 28.Qc2 Qc6+=) 27...Bd3 28.Rd3 Kc8 29.Kh1 (29.Rb3 Bc5=) 29...Kb8 30.Bf2 (30.Qc2 Rd3 31.Qd3 Bc5 32.Bc5 Qc5=+) 30...Rd3 (30...Qb5 31.Qd1 Rd3 32.Rd3=+) 31.Qd3=+ Qb4 32.Rf3 (32.Be3 Bc5 33.Bc5 Qc5=+) 32...g6 (32...h6 33.gh6 Rh6 34.Kg1-/+) 33.Qe3 b6 (33...h6 34.Rh3 h5=+) 34.Be1? (34.Qb6 Qb6 35.Bb6 Kb7=) 34...Qc5 (better 34...Qb1!? 35.Kh2 a5-/+) 35.Qb3= Qc6 36.Rc3 Bc5 37.Bf2 Ka7 38.Bc5 bc5 39.Qc4 (39.Qc2 Rc8=) 39...Qd5 (39...Rd8 40.Kg1=+) 40.Qd5= ed5 41.Rc5 Kb6 (41...Rd8 42.Rc1=) 42.Rd5+= a5 43.g4 a4 44.f5 a3?? (better 44...gf5 45.gf5 Ra8+=) 45.f6+- a2 (45...h5 46.gh6! Rh6 47.Kg2+-) 46.Rd1 Ra8 (46...Rb8 47.Kg2 Rd8 48.Ra1+-) 47.f7 (47.f7 Kc7 48.e6+-) 1–0. Helin,Mikael (1875) – Nilsson,Christer (2020), Stockholm SWE, Elo Challenge, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6)

    11.h4 Qc7 12.Qe2 0-0 (better 12...Ng4 13.0-0 0-0-+) 13.Bh6=+ gh6 14.Nbd2 Rf7 15.Qe3 Bf8 (better 15...a5=+) 16.g4?? (better 16.0-0=+) 16...Bg7-+ 17.g5 (17.Be2 Ne5 18.Nd4 Ng6-+) 17...Ne5 18.gh6 (18.Ne5 Be5 19.gh6 Kf8-+ (19...Qc3?! 20.Ke2 Bd7 21.Rac1-+)) 18...Nf3 (18...Nd3!? 19.Qd3 Qc3 20.Qc3 Bc3 21.0-0-0-+) 19.Nf3 Rf3! (19...Bc3 20.Ke2 Kf8 21.Rhc1-/+) 20.Qf3 Qc3 21.Ke2 (21.Kf1 Qa1 22.Kg2 Qf6 23.hg7 Qf3 (23...Qg7?! 24.Kf1 Qa1 25.Kg2 Qg7 26.Kf1 Qa1 27.Kg2 Qg7=) 24.Kf3 e5-+) 21...Qb2 22.Kf1 Qa1 23.Kg2 Qf6 24.hg7 Qf3 (24...Qg7?! 25.Kf1 Qa1 26.Kg2 Qg7 27.Kf1 Qa1 28.Kg2 Qg7=) 25.Kf3 e5 (25...e5 26.Ke3 a5-+) 0–1. Therkildsen,Thomas (2120) – Taddei,Benoit (2315), Open, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6)

    11.h4 Qc7 12.Bf4 0-0 (12...Nf7 13.Qe2-/+) 13.g3 (13.Bh6 gh6 14.Qe2 h5=+) 13...Bd7 (13...Nf5 14.Qc2-/+) 14.Qe2 (better 14.Bh6 gh6 15.Qe2-/+) 14...Rf4 (better 14...Nf5!?-/+) 15.gf4= Rf8 16.Qe3 (16.Qd2 Nf5=) 16...Nf5 17.Qd2 Na5 18.Qc2 a6 19.Nbd2 Bc5 20.h5 b5 (20...h6 21.Nh4 Nh4 22.Rh4=) 21.Nh4+= Qb6 22.Nf5 ef5 23.Nf3 Nc4 24.Nh4 (24.Rg1 Qh6 25.Bc4 dc4=) 24...Qh6 25.Ng2 (25.Bf5? Bf5 26.Nf5 Qf4-+; 25.Nf5 Bf5 26.Bf5 Qf4 27.Bh7 Kh8-+) 25...a5 26.Qe2 (26.Bc4 dc4 27.Ra5 Bb6=) 26...a4=+ 27.Rh4 g5 (better 27...Qe6!?=+) 28.hg6+= Qg6 29.Rh5 Kh8 30.Rg5 Qb6 (30...Qh6 31.0-0-0+=) 31.Qf3 (31.Rg3 Qh6 32.Qf1 Ra8=) 31...Be6 (31...b4 32.Bc4 dc4 33.Ne3+-) 32.Ke2 Nb2 (better 32...Qc7!?+=) 33.Rh1+- Rf7 34.Qg3 Qd8 (34...Rc7 35.Bf5 Bf8 36.Be6 Qe6 37.f5+-) 35.Nh4 (35.Nh4 Nd3 36.Ng6 (36.Qd3?! Qd7+-) 36...Kg8 A) 37.Qd3?! Rg7 38.Qb5 Qc8+-; B) 37.Kd3 Rg7 38.Rh6 d4 (38...hg6 39.Rhg6 Qg5 40.Qg5+-) 39.Ne7 Qe7 40.Rg7 Qg7 41.Re6 Qg3 42.fg3 dc3 43.Kc3 Kg7+-; C) 37.Ne7 Kf8 38.Rg8 Ke7 39.Qh4 (39.Rd8?! Nf4 40.Qf4 Kd8+-) 39...Kd7 40.Qd8 Kc6 41.Qa8 Kb6 42.Rb8 Rb7 43.Qb7 Ka5 44.Qb5; 35.Bb5?! Qb8 36.Ke1 Rc7+-) 1–0. Therkildsen,Thomas (2285) – Heinis,Vincent (2160), Besancon France, Open Championship, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6)

    11.h4 Qc7 12.Bh6 gh6 13.Qe2 a6-/+.

    11.Bh6 gh6

    12.0-0 Bd7 13.Re1 Bc5 (13...0-0 14.Qd2=) 14.Nbd2 0-0 15.c4 (15.Nb3 Be7=) 15...Nb4 (15...Qb6 16.Rf1=) 16.Bb1 (16.Nb3!? Bf2 17.Kf2 dc4 18.Bc4 Qh4 19.Kg1 Qc4 20.Qd7 Qb3 21.Rab1=+) 16...dc4=+ 17.Ne4 Be7 18.Qc1 Nd3 19.Bd3 cd3 20.Qh6 Qe8 21.Qe3 Bb5 (21...Bc6 22.Qd3 Qg6 23.Nd4=) 22.Nd6 Qd7 (22...Bd6 23.ed6 Rd8 24.Ng5=) 23.Nd4 (23.Nb5!? Qb5 24.Nd4+=) 23...Bd6 (23...Ba6 24.Rad1=) 24.ed6 Bc4 25.Nf3 Qd6 26.Ne5 Ba6?? (better 26...Qd5=) 27.Qg3+- Kh8 28.Nf7!! (28.Nf7 Rf7 29.Qd6+-) 1–0. Paehtz,T sr (2355) – Gillis Onieva,Celia (1845), Gibraltar Masters, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Ra2 a5 A) 13.0-0 A1) 13...Bd7 14.Na3 (14.Qd2 Bg5 15.Ng5 hg5 16.Qe3 a4 17.Na3 0-0 18.Nb5) 14...0-0 15.Nb5 Bc5 16.Nbd4 Qe7 17.Nc6 Bc6 18.Nd4; A2) 13...Qc7 14.Na3 (14.Re1 0-0 15.Na3 Bc5 16.Nb5 Qg7 17.Nbd4 Bd7 18.Rb2) 14...0-0 15.Nb5 Qb6 16.Nbd4 Rf7 17.Qd2 Qc7 18.Nc6; A3) 13...0-0 14.Re1 (14.Ra4 Bd7 15.Rg4 Kh8 16.Qd2 Bg5 17.Ng5 Ne5 18.Ne6) 14...Rf7 15.Nbd2 Qb6 16.c4 Nb4 17.Ra3 Bc5 18.Qe2; B) 13.Na3 B1) 13...a4 14.Nb5 (14.0-0 0-0 15.Re1 Bc5 16.Nb5 a3 17.Qd2 Rf3 18.gf3) 14...a3 15.Qc1 Bg5 16.Qa1 0-0 17.Ra3 Ra3 18.Qa3; B2) 13...0-0 14.Nb5 (14.0-0 a4 15.Re1 Rf7 16.Nb5 a3 17.Nfd4 Nd4 18.cd4) 14...Bc5 15.0-0 Qe7 16.Nbd4 Bd7 17.Nc6 bc6 18.Ra4; B3) 13...Nb4 14.Bb5 (14.cb4 ab4 15.Nd4 Ra3 16.Bb5 Kf7 17.Rc2 Rg8 18.0-0) 14...Kf7 15.Ra1 Nc6 16.0-0 Qc7 17.Re1 Kg7 18.Bd3; C) 13.Qe2 C1) 13...Qb6 14.Na3 (14.0-0 0-0 15.Na3 Qc5 16.Nb5 Bd7 17.Ra4 Kh8 18.Rb1) 14...0-0 15.0-0 a4 16.Nb5 Bd7 17.Rfa1 Rf4 18.Rb1; C2) 13...0-0 14.0-0 (14.Na3 a4 15.0-0 Rf4 16.Nb5 a3 17.Nbd4 Bd7 18.Qe3) 14...Qe8 15.c4 Nb4 16.cd5 ed5 17.Ra3 Bg4 18.Nbd2; C3) 13...a4 14.Qe3 (14.0-0 a3 15.Qe3 h5 16.Qh6 h4 17.Qg7 Rf8 18.Qh7) 14...Bd7 15.0-0 a3 16.Qh6 Qb6 17.Qg7 Rf8 18.Nbd2; D) 13.Nd4 D1) 13...Qc7 14.Qh5 (14.Nc6 bc6 15.Qh5 Kd8 16.0-0 a4 17.Nd2 a3 18.Nf3) 14...Kd8 15.Nc6 Qc6 16.0-0 Qc5 17.c4 dc4 18.Rc2; D2) 13...Qb6 14.Nc6 (14.Qh5 Kd8 15.Nc6 Qc6 16.0-0 Qc5 17.Qh6 a4 18.Rc1) 14...Qc6 15.Qh5 Kd8 16.0-0 Qc5 17.Qh6 Bd7 18.Nd2; D3) 13...Nd4 14.cd4 (14.Qh5 Kd7 15.cd4 Qb6 16.Rd2 Kd8 17.Qg4 Bd7 18.0-0) 14...Bb4 15.Nd2 Qh4 16.0-0 Qd4 17.Nf3 Qf4 18.Bb5.

    12.Ra2 Qb6 A) 13.Nbd2 A1) 13...0-0 14.0-0 (14.Qc2 Rf7 15.0-0 Bd7 16.Rb2 Qc7 17.Rfb1 b6 18.Re1) 14...a5 15.h3 Bd7 16.Qe2 a4 17.Rb1 Qa7 18.Nd4; A2) 13...Rg8 14.0-0 (14.g3 Bd7 15.Bh7 Rg4 16.0-0 0-0-0 17.Bd3 Rf8 18.Qe2) 14...Rg7 15.Qc2 Qc7 16.Re1 Bd7 17.Bh7 0-0-0 18.g3; A3) 13...Bd7 14.0-0 (14.g3 0-0-0 15.0-0 Rdf8 16.Qe2 Rhg8 17.Rb1 Qc5 18.Bh7) 14...0-0 15.Qe2 Qc5 16.Rc1 a5 17.Rb2 Qa7 18.Nd4; B) 13.0-0 B1) 13...0-0 14.Re1 (14.Nbd2 a5 15.Re1 Bd7 16.Qc2 Rf7 17.Rb2 Qa7 18.Qb1) 14...Bd7 15.Na3 Rf7 16.Qd2 Na5 17.Rb1 Qc7 18.Nb5; B2) 13...Rg8 14.Bh7 (14.Na3 Bd7 15.Nb5 0-0-0 16.Qd2 Rdf8 17.Rb1 Qc5 18.Nbd4) 14...Rg7 15.Qc2 Bd7 16.Bg6 Kf8 17.Ra4 Rc8 18.Rg4; B3) 13...Bd7 14.Na3 (14.Qe2 Rg8 15.Nbd2 Rg7 16.Rb1 Qc7 17.Qe3 0-0-0 18.Qh6) 14...0-0-0 15.Nb5 Rdf8 16.Qe2 Rhg8 17.Rb1 Qc5 18.Nbd4; C) 13.Qd2 C1) 13...Bd7 14.0-0 (14.Qh6 Qb3 15.Qh5 Kd8 16.Rd2 Kc7 17.0-0 Raf8 18.Rc2) 14...0-0-0 15.Na3 Qc5 16.Nb5 h5 17.Rb1 Rdf8 18.Nbd4; C2) 13...Bf8 14.Na3 (14.Qe2 Rg8 15.0-0 Bd7 16.Na3 0-0-0 17.Nb5 Qc5 18.Qb2) 14...Bg7 15.Qe2 0-0 16.Nb5 Bd7 17.Rb2 Qc5 18.0-0; C3) 13...Rg8 14.0-0 (14.g3 Rf8 15.Qe2 Bd7 16.Rb2 Qc7 17.0-0 0-0-0 18.Nbd2) 14...Bg5 15.Qe2 Be7 16.Na3 Ba3 17.Ra3 Bd7 18.Bh7; D) 13.Na3 D1) 13...Bd7 14.0-0 (14.Qe2 0-0 15.0-0 a6 16.Rb1 Qc7 17.Qe3 Kg7 18.Nc2) 14...0-0-0 15.Nb5 Kb8 16.Qe2 a6 17.Nbd4 Nd4 18.cd4; D2) 13...0-0 14.Nb5 (14.Qe2 Qb3 15.Nb5 Rf3 16.gf3 Ne5 17.Bc2 Qc4 18.Qc4) 14...Bd7 15.0-0 Qc5 16.Rb2 Rab8 17.Qc2 Rf7 18.Re1; D3) 13...Qa5 14.Qb3 (14.Qa1 Qc5 15.0-0 0-0 16.Re1 a6 17.Qc1 Kg7 18.Qd2) 14...0-0 15.Nb5 Qb6 16.Qd1 Bd7 17.0-0 Qc5 18.Rb2.

    12.Ra2 Qc7 A) 13.Na3 A1) 13...Ba3 14.Ra3 Ne5 15.0-0 Nd3 16.Qd3 0-0 17.Ra4 Qg7 18.Re1; A2) 13...Rg8 14.Nb5 (14.0-0 Ba3 15.Ra3 Ne5 16.Ne5 Qe5 17.g3 Rg7 18.Re1) 14...Qb8 15.0-0 a6 16.Nbd4 Ne5 17.Ne5 Qe5 18.Re1; A3) 13...Ne5 14.Nb5 (14.0-0 0-0 15.Ne5 Qe5 16.Nb5 Bc5 17.g3 Bd7 18.Nd4) 14...Nd3 15.Qd3 Qf4 16.0-0 0-0 17.Re1 Bf6 18.g3; B) 13.Re2 B1) 13...0-0 14.Nbd2 (14.Qc2 Rf3 15.gf3 Ne5 16.Bh7 Kh8 17.Nd2 Bg5 18.Kd1) 14...Bd7 15.0-0 a5 16.Qb1 Kh8 17.Bh7 Rf7 18.Bc2; B2) 13...h5 14.Qc2 (14.0-0 0-0 15.Nbd2 Bd7 16.Qb3 Rac8 17.c4 Nb4 18.cd5) 14...Bc5 15.0-0 0-0 16.Nbd2 Qg7 17.Nb3 Bb6 18.Nbd4; B3) 13...Bd7 14.0-0 (14.Nbd2 0-0 15.Qc2 Rf7 16.0-0 a5 17.Ra1 Rg7 18.h3) 14...0-0-0 15.Nbd2 Rdg8 16.Nb3 Rg4 17.Qd2 h5 18.Nbd4; C) 13.0-0 Ne5 14.Bb5 (14.Ne5 Qe5 15.Re1 Qg7 16.Na3 0-0 17.Nb5 Bc5 18.Nd4) 14...Kd8 15.Nd4 Rg8 16.f4 Ng6 17.f5 ef5 18.Kh1; D) 13.Qe2 D1) 13...0-0 14.0-0 (14.Nbd2 a5 15.0-0 a4 16.Qe3 Kg7 17.Nb3 a3 18.Nbd4) 14...Bd7 15.Na3 a6 16.Qe3 Kg7 17.Nc2 Na5 18.Ncd4; D2) 13...Bg5 14.0-0 (14.Na3 Bf4 15.Nb5 Qg7 16.g3 Be5 17.Ne5 Ne5 18.f4) 14...Bf4 15.Re1 0-0 16.Na3 Qg7 17.Nb5 a5 18.g3; D3) 13...a6 14.0-0 (14.Nbd2 Bd7 15.0-0 0-0-0 16.Nb3 Rdg8 17.Rc1 Rg4 18.g3) 14...Bd7 15.Nbd2 0-0-0 16.Nb3 Rhg8 17.Nbd4 Rg7 18.g3.

    12.Ra2 Bd7 A) 13.0-0 A1) 13...Qb6 14.Na3 (14.Qe2 0-0-0 15.Na3 Rdg8 16.Nb5 Rg7 17.Rb1 Qc5 18.Qb2) 14...0-0 15.Re1 a6 16.Qd2 Kg7 17.Nc2 a5 18.Ncd4; A2) 13...0-0 14.Qe2 (14.Nbd2 Rf7 15.Qe2 Rg7 16.Qe3 Qc7 17.Nb3 a5 18.Nbd4) 14...Rf4 15.Nbd2 a5 16.Rb1 Rb8 17.Qe3 Qf8 18.Rb5; A3) 13...Qc7 14.Qe2 (14.Qe1 0-0 15.Nbd2 Bg5 16.Qe2 Be8 17.Ng5 hg5 18.Re1) 14...0-0-0 15.Qe3 a6 16.Nbd2 Rdg8 17.Nb3 Rg4 18.g3; B) 13.Nbd2 B1) 13...Qb6 14.0-0 (14.g3 0-0-0 15.0-0 Rdg8 16.Qc2 Rg7 17.Rb1 Qc7 18.Nb3) 14...0-0-0 15.Qc2 Rdg8 16.Rb1 Qc7 17.Bh7 Rg7 18.Bd3; B2) 13...a5 14.0-0 (14.Qb1 Qc7 15.0-0 Ne5 16.Ne5 Qe5 17.c4 Bb4 18.cd5) 14...Qc7 15.Qe2 h5 16.Re1 0-0-0 17.Nd4 Rdg8 18.Nb5; B3) 13...Qc7 14.Qe2 (14.0-0 Ne5 15.Ne5 Qe5 16.Nf3 Qc3 17.Qb1 b6 18.Rc1) 14...a5 15.0-0 0-0-0 16.Rb1 Rdg8 17.g3 Rg4 18.Qe3; C) 13.Na3 C1) 13...0-0 14.Qe2 (14.Nb5 Qb8 15.Qe2 a6 16.Nbd4 Nd4 17.cd4 Bb4 18.Nd2) 14...Bc5 15.0-0 Be8 16.Nd4 Bd4 17.cd4 Qh4 18.Qe3; C2) 13...a6 14.0-0 (14.Qe2 Bc5 15.Nc2 0-0 16.0-0 Rf3 17.gf3 Qg5 18.Kh1 Qe5) 14...0-0 15.Qe2 Bc5 16.Nc2 Rf3 17.gf3 Qg5 18.Kh1 Qe5; C3) 13...Qa5 14.Qb3 (14.Qa1 0-0 15.Nb5 Qb6 16.Qb1 Kh8 17.Bh7 Rf7 18.Nd6) 14...0-0 15.Nb5 Qb6 16.Qb1 Kh8 17.Bh7 Rf7 18.Nd6; D) 13.Qe2 D1) 13...Rg8 14.0-0 (14.g3 Qb6 15.Na3 0-0-0 16.0-0 Rdf8 17.Nb5 Rf3 18.Rb1) 14...Qb6 15.Na3 0-0-0 16.Nb5 Rg7 17.Rb1 Qc5 18.Qb2; D2) 13...a5 14.0-0 (14.Na3 0-0 15.0-0 Bc5 16.Nb5 Qe7 17.Ra4 Qg7 18.h3) 14...a4 15.Na3 0-0 16.Rb1 Na5 17.Nb5 Nb3 18.Bc2; D3) 13...Qb6 14.0-0 (14.Na3 0-0 15.0-0 Qc5 16.Rb1 Qc3 17.Rb7 Qc1 18.Qf1) 14...0-0-0 15.Na3 Qc5 16.Nb5 Rdg8 17.Nfd4 a6 18.Nc6.

    12.Na3 0-0 13.Nb5=.

    12.Na3 Ba3 13.Ra3 Qe7 14.Ra4 Bd7 15.0-0 Qg7 16.Re1 Rg8 17.g3 0-0-0 (17...Rf8 18.c4 Qf7 19.Ra3=) 18.c4 (18.Re3 Qf7+=) 18...Be8 19.cd5 Rd5 Increases the pressure on e5 20.Qc2 Bg6 21.Nd4 (21.Bg6!? Qg6 22.Qb2=) 21...Bd3=+ 22.Qd3 Nd4 (better 22...Qd7!? 23.Re4 Ne5=) 23.Rd4+= Rgd8 (23...Re5 24.Rc1 Qc7 25.Rc7 Kc7 26.Rd7 Kc6 27.Qd6 Kb5 28.Rb7 Kc4 29.Rb4 Kc3 30.Qd4 Kc2 31.Rb2 Kc1 32.Qd2) 24.Qc3 (24.Rc1 Kb8 25.Rd5 Rd5=) 24...Kb8= 25.Rd5 Rd5 26.f4 (26.Rc1 Qd7 27.Qf3 a6=) 26...Qc7 27.Qe3 (27.Qb2 Qc5 28.Kg2 Qd4 29.Qd4 Rd4=) 27...Qc2 (27...Qc5 28.Qc5 Rc5 29.Kf2=+) 28.Re2 Rd1 (28...Qc5 29.Qc5 Rc5 30.Kf2=+) 29.Kg2 (29.Kf2 Qd3=) 29...Qb1 (29...Qc1 30.Qf2=) 30.Qc5 Qd3 31.Qf8 Kc7 32.Qe7 Kb8 33.Qe8 (33.Rf2 Qe4 34.Kh3 Qf5 35.Kh4 h5+=) 33...Kc7= 34.Qe7 Kb8 ½–½. Wittmann,Marc (2250) – Roger,Mehdi (2195), Nationale I, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Qc2 Qc7 13.Qe2!?=+ A) 13...a6 14.0-0 (14.Nbd2 Bd7 15.0-0 h5 16.Rab1 0-0 17.c4 dc4 18.Nc4 b5 19.Nd6; 14.Qe3 Bd7 15.0-0 0-0-0 16.Nbd2 h5 17.h3 h4 18.Rfb1 Rdg8 19.Qe2; 14.g3 Bd7 15.0-0 h5 16.Nbd2 Rg8 17.c4 d4 18.Nb3 0-0-0 19.Bh7; 14.h3 Bd7 15.0-0 0-0-0 16.Nbd2 Rdg8 17.Rfb1 a5 18.c4 d4 19.Nb3) 14...Bd7 15.Na3 Rc8 16.Qe3 0-0 17.Qh6 Rf7 18.Rfe1 Na5 19.Re3; B) 13...0-0 14.0-0 (14.Nbd2 Bd7 15.Qe3 Rf7 16.0-0 a5 17.c4 d4 18.Nd4 Ne5 19.N2f3) 14...Bd7 15.Na3 Na5 16.Nd4 a6 17.c4 Rf4 18.Qe3 Bg5 19.cd5; C) 13...Qb6 14.Na3 (14.0-0 0-0 15.Na3 Qc5 16.Nb5 Bd7 17.Nfd4 Rf7 18.Qe3 a5 19.Rae1; 14.Nbd2 a5 15.0-0 a4 16.Rfb1 Qc5 17.c4 Nb4 18.Rc1 Nd3 19.Qd3) 14...Qa5 15.Qb2 0-0 16.Nb5 Qb6 17.Qe2 a5 18.0-0 a4 19.Nfd4; D) 13...a5 14.0-0 0-0 15.Nbd2 a4 16.Qe3 a3 17.Qh6 Bd8 18.Ra2 Qg7 19.Qh5; E) 13...Bd7 14.0-0 (14.Nbd2 a5 15.0-0 a4 16.c4 d4 17.Bc2 a3 18.Nb3 Nb4 19.Nbd4) 14...0-0-0 15.Na3 a6 16.Rfb1 Rdf8 17.Ba6 ba6 18.Qa6 Kd8 19.Nb5.

    12.Qc2 Qc7 13.Bh7 Ne5-/+ 14.Nbd2 Bf6 15.Bg6 Kd8 16.0-0 Rg8 17.Bh5 a5 18.Ra2 a4 19.Ra4.

    12.Qc2 Qc7 13.Bh7 Ne5 14.Nbd2 Bf6 15.Bg6 Ke7 16.0-0 Bd7 17.Rac1 Rhg8 18.Bd3 Rac8 19.Be2 (19.Nd4 Rg4 20.Be2 Qc3 21.Qc3 Rc3 22.Bg4 Rc1 (22...Ng4?! 23.Rc3 Bd4 24.Rb3=) 23.Rc1 Ng4-/+) 19...Rg7 20.Nd4 Ng4 21.N4f3 Rcg8 (better 21...Qc3 22.Qb1 Qb2 23.Qb2 Bb2-+) 22.h3?? (better 22.g3-/+) 22...Nh2 (better 22...Ne3! 23.Qd3 Rg2 24.Kh1 Nf1 25.Rf1 Qc3 26.Qb1-+) 23.g4 Ng4 24.hg4 (24.Kh1 Ne5 25.Rg1-+) 24...Rg4 25.Kh1 Qf4 (better 25...R8g5!? 26.Qh7 Bg7 27.Qg7 Rg7 28.Rg1-+) 26.Nh2 (26.Qh7 Kd8 27.Qg8 Rg8 28.Rg1 Rg1 29.Kg1-+) 26…Qh2!! (26...Qh2 27.Kh2 Rh4) 0–1. Ridameya Tatche (2140) – Vehi Bach (2390), Barbera op, 1999. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Qc2 Qc7 13.Bh7 Ne5-/+ 14.Bg6 Kd8 (14...Kd7 15.Bh5 Nf3 16.Bf3 Qe5 17.Qe2 Qe2 18.Ke2 Bf6 19.Ra3) 15.Bh5 Nf3 16.Bf3 Qe5 17.Be2 (17.Qe2 Bf6 18.Qe5 Be5 19.Kd2) 17...Bd7 (17...Rg8 18.0-0 Kc7 19.Na3) 18.0-0 Rg8 (18...Kc7 19.Qd3) 19.Bf3 (19.Qd3-+ –1.85) 19...Bd6 20.g3 Qg7 21.Nd2 h5 22.Bg2 (22.Bh5!? Rh8 23.Be2-/+) 22...h4-+ 23.Nf3 hg3 24.fg3 Rc8 25.Qb2 Qc3 26.Qb7 Qb4 (better 26...Rb8!? 27.Qa6 Qc5 28.Kh1 Bb5 29.Qa5 Bc7 30.Qa7 Qa7 31.Ra7 Bf1 32.Bf1 e5-+) 27.Ra7-/+ Qb7 28.Rb7 Rf8 29.Bh3 Bc5 30.Kh1 Bc6 31.Rb3 Ke7 32.Re1 Rf6 33.Ng5 d4 (33...Bf2 34.Re2 d4 35.Bg2 d3 36.Rd3 Bb5-+) 34.Bg2=+ Bg2 35.Kg2 Bd6 (35...Rc7 36.h4=) 36.Re2 (36.Rb7 Rc7 37.Rc7 Bc7+=) 36...Bc7 (36...e5!?=+) 37.Rd3 Bb6 38.Ne4 Rf5 39.h4 e5 40.Kh3 Rcf8 41.Ng5 Kd6 42.Kg4 Kd5 43.h5 Bd8 44.Nf3 Bb6 45.Nh4 (45.Ng5!?=) 45...Rf1 46.Ng6 e4 47.Rb3 R8f6 (47...d3!? 48.Reb2 Bd4 49.Rb5 Kd6-/+) 48.Nf4= Kc4 (better 48...R6f4 49.gf4 d3=) 49.Rb6?? (better 49.Rbb2 Ba5 50.Re4+-) 49...Rb6=+ 50.Re4 Rb8 51.Kh3 Rg8 52.Kg2 Ra1 53.Ng6 Kc3 54.Re6 d3 55.Rc6 Kb3 56.h6?? (better 56.Rb6 Kc2 57.Rc6 Kd1 58.h6-/+) 56...Rd8 57.Rb6 Kc3 58.Rc6 (58.h7 d2 59.Rd6 Ra2 (59...Rd6?! 60.h8Q Rd4 61.Qc8 Rc4 62.Qh8 Rd4 63.Qc8 Rc4 64.Qh8 Rd4=) 60.Rd2 Rad2 61.Kg1 R2d7 62.h8Q Rh8 63.Nh8 Rg7-+) 58...Kb4 59.Rb6 Kc5 60.Rb2 d2 61.Rd2 (61.Rc2 Kb4 62.Rd2 Rd2 63.Kf3 Rf1 64.Ke3 Rh2-+) 61...Rd2 62.Kf3 Rh2 63.Nh4 Rh4! 64.gh4 Ra6 65.Kg4 Rh6 66.Kg5 Rh8 67.h5 Kd6 68.Kg6 Ke7 69.h6 Rg8 70.Kh7 (70.Kf5 Kf7-+) 70...Rg1 (70...Rg2 71.Kh8 Kf6 72.Kh7 Rg6 73.Kh8 Rh6 74.Kg8 Rh5 75.Kf8 Rh8) 71.Kh8 Kf6 72.Kh7 Rh1 73.Kg8 (73.Kh8 Rh6 74.Kg8 Rh5 75.Kf8 Rh8) 73…Rh6 (73...Rh6 74.Kf8 Rh8) 0–1. Mereu,Matteo (1960) – Gonzalez Laso,Adrian (2055), XIX EYCC Boys U18, Fermo ITA, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Qc2 Bd7 A) 13.Bh7 Qb8 14.Nbd2 (14.0-0 Ne5 15.Nbd2 Kd8 16.Rfe1 Nf3 17.Nf3 Rf8 18.Rab1 b6 19.c4) 14...Ne5 15.0-0 Kd8 16.Rfe1 Bf6 17.Ne5 Be5 18.Nf3 Bf6 19.Qg6; B) 13.Na3 Rf8 (13...0-0 14.Nb5 Qb8 15.0-0 Ne5 16.Ne5 Qe5 17.Nd4 Bc5 18.Rab1 Qc7 19.Qd2) 14.Bh7 (14.Nb5 Rf3 15.gf3 Ne5 16.Nd4 Bc5 17.Rg1 Qf6 18.Rg8 Bf8 19.Kf1; 14.Be2 Qb8 15.Qh7 Ne5 16.Nd4 a6 17.0-0 Nf7 18.Bg4 Ng5 19.Qg6; 14.0-0 Rf3 15.gf3 Ne5 16.Qe2 Nd3 17.Qd3 Bd6 18.Nb5 Bb8 19.Ra4) 14...Qa5 15.Qb2 Qb6 16.Qe2 0-0-0 17.0-0 a6 18.Nc2 Rf7 19.Rfb1; C) 13.0-0 C1) 13...Rf8 14.Qe2 (14.Nbd2 Qc7 15.Rfe1 0-0-0 16.Bh7 h5 17.h3 Kb8 18.Qd3 h4 19.Nb3; 14.Re1 Rf3 15.gf3 Bc5 16.Ra4 Qc7 17.Rg4 Ne5 18.Rg8 Bf8 19.Nd2; 14.Bh7 Rf3 15.gf3 Ne5 16.f4 Nf3 17.Kh1 Qb6 18.Nd2 Nh4 19.Nb3) 14...Qb6 15.Nbd2 a5 16.Rfb1 Qc7 17.Bh7 0-0-0 18.Bd3 Bc5 19.Ba6; C2) 13...Qc7 14.Re1 (14.Qe2 0-0-0 15.Na3 a6 16.Rfb1 Rdf8 17.Ba6 ba6 18.Qa6 Kd8 19.Nb5) 14...0-0-0 15.Bh7 Rdf8 16.Nbd2 Rf7 17.Bg6 Rg7 18.Bd3 Rf8 19.Bb5.

    12.Qd2 Bg5 13.Qc2 Qc7-/+ 14.0-0 Bf4 Now all is on e5 (14...Ne5 15.Ne5 Qe5 16.Na3-/+) 15.Re1 (15.g3 Be5 (worse 15...Ne5 16.Qa4 Nd7 17.gf4+-) 16.Na3 Bf6-/+) 15...Ne5-/+ 16.Qa4 Nc6 17.g3 Bg5 18.c4 (18.Ng5 hg5 19.Qg4 Qg7-/+) 18...0-0 19.cd5?? (19.Ng5 hg5 20.cd5 ed5 21.Qc2-+) 19...Rf3-+ 20.Qe4 (20.Be4 Ne5 21.Qd1 Rf7-+) 20...Ne5! 21.Bc2 (21.Qe5 Rd3 Deflection) 21...Rf8 (better 21...Rf7 22.f4 Qc5 23.Qe3 Qc2-+) 22.f4 (22.Ra3 ed5 23.Qd5 Nf7-+) 22…Nf3! (22...Nf3 23.Qf3 Qc2 24.de6 Bf6-+) 0–1. Reindl,Arno – Low,Luke Joshua, WAArttemberg Candidates, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Qd2 Bg5 13.Qe2 Qc7 14.0-0 0-0 15.Na3 Qg7 16.Nb5 Bd7 17.Nd6 Be8 18.Ng5 hg5 19.Rfe1 Rb8 20.Bb5 (20.c4 Bd7+=) 20...Bg6 (20...Ra8 21.Qd2=) 21.Qe3 Qh6 (21...Ra8 22.Qg5 a6 23.Bc6 bc6 24.Ra5+=) 22.c4 (22.Ra2 Qh4+=) 22...Nb4 (22...d4 23.Qd2 Qh4 24.Bc6 bc6 25.g3=) 23.cd5 (23.Bd7 Nc2 24.Be6 Kh8 25.Qa7 dc4 26.Bc4 Qg7+=) 23...Nd5 (23...a6!? 24.Qb3 Qh4 25.de6 Bc2+=) 24.Qa7+- Nf4 (24...Qh4 25.Qa2+-) 25.Qe3 Nd5 (25...Qh4 26.Ra7+-) 26.Qb3 (26.Qg3!?+-) 26...Rf2+= 27.Bd7 (27.Bc4 Rd2 28.Bd5 ed5+-) 27...Bc2 28.Qg3 (28.Qh3 Qh3 29.gh3 Rd2 30.Be6 Kf8 31.Bd5 Rd5+=) 28...Rbf8 (28...Rff8 29.Ra7=) 29.Ra8 (worse 29.Qf2 Rf2 30.Kf2 Qh4 31.Kg1 Qd4 32.Kh1 Nf4=+) 29...Ra8 (29...R2f4 30.Rf8 Rf8 31.Nb7+=) 30.Qf2+- (worse 30.Kf2 Nf4 31.Bb5 Ra2=+) 30...Qg6 (30...Bf5 31.Nf5 ef5 32.Qf5+-) 31.Be8 Re8 32.Ne8 Qe8 33.Qc2 Qe7 (33...b5 34.Qe2+-) 34.Qc8 Kg7 35.Qb8 (35.Ra1 Nb6 36.Qc3 Nd5+-) 35...h6 (35...Qb4 36.Rd1+-) 36.Kh1 (36.Rc1 Qb4 37.Qd6 Qd4 38.Kh1 Qf4+-) 36…b6 1–0. Salmensuu,Olli (2430) – Manninen,M (2420), Finnish Championship, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Qd2 Bg5 13.Qe2 Qc7 14.0-0 0-0 15.Na3 Qg7 16.Nb5 Bd7 17.Nd6 Be8 18.Ng5 hg5 19.Rfe1 Bg6 20.Bg6 Qg6 21.Nb7 Rab8 (21...Rf4 22.Nd6+=) 22.Nc5 (22.Nd6 Rb6+=) 22...Rf4 (22...Rf5 23.Qa6 Qe8 24.Nd3=) 23.Qa6 (23.Ra6 Rb6=) 23...Qe8 24.Reb1 (24.Red1 Rf5= (worse 24...Ne5 25.Qe6 Qe6 26.Ne6+-)) 24...Rb1=+ 25.Rb1 Rc4 (worse 25...Ne5 26.Qa7 (26.Ne6 Rf6 27.Nc7 Ra6 28.Ne8 Rc6-/+) 26...Rf8 27.Qa6+-) 26.Nb7 (26.Nd3 Rc3 27.Rd1 Qf7=+) 26...Rc3-/+ 27.Nd6 Qd7 (27...Qf8 28.f3-/+) 28.Qe2 (28.h3!?=) 28...Qg7=+ 29.Qa6 (29.Qd2 Qe5 30.Re1-+) 29...Qd7 (29...Qf8!?-/+) 30.Qa1= Rc5 (30...Nd4!?=) 31.Rb7+= Qd8 32.Qb1 Ne7 33.g3 Rc7 34.Rb8 Nc8 35.Qb5 h6? (better 35...Qf8 36.Qa6 Rc1 37.Kg2 Kh8+-) 36.Qa6 d4 (36...Kg7 37.Nc8 Qe8 38.Ra8+-) 37.Rc8 Rc8 38.Qc8 (38.Nc8!? Qd7+-) 38...Qc8 39.Nc8 (39.Nc8 a5 40.Ne7 Kf7 41.Nc6+-) 1–0. Salmensuu,Olli (2455) – Pedersen,St (2460), 3rd International, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Qd2 Bg5 13.Qe2 Qc7 14.h4 Bd8 ½–½. Ardelean,G (2440) – Ionescu,M (2405), Somes Open Satu–Mare ROM, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Nbd2 Qc7 13.Qe2 0-0 14.0-0 Rf7 15.Ra4 (15.Qe3 Bd7=) 15...Bd7 16.Re1 Rg7 17.Rf4 Rf8 18.Qe3 (18.Rf8 Bf8 19.c4 Nb4=+) 18...Be8 (18...Rf4 19.Qf4 Qa5 20.Rc1-/+) 19.Nf1 (19.Rf8 Bf8 20.Nb3 a5=+) 19...Bc5 (19...Rf4!? 20.Qf4 h5-/+) 20.Rf8=+ Bf8 21.Ng3 (21.Qh6?? Rg2 22.Kg2 Bh6-+) 21...b6 22.Nd4 (22.Qh6 Rg3 23.Bh7 Qh7 24.Qe6 Qf7 25.Qf7 Kf7 26.hg3 Be7=) 22...Nd4 23.cd4 h5 24.f4 h4 25.Ne2 Bh5 (better 25...Bg6!?=) 26.f5+- Be2 27.Re2 (worse 27.Be2 ef5 28.Qb3 h3 29.Qh3 Qc2+=) 27...ef5 28.Bf5 Qd8 (28...Kh8 29.Rf2+-) 29.Qf3 (29.Be6!? Kh8 30.Rc2+-) 29...Kh8 30.Rc2 Rc7 31.Qh5 Qe7 32.h3 Rc2 33.Bc2 b5 34.e6 (34.Qf3 Bh6+=) 34...Qg7 (34...a5!?=) 35.Qd5+= Qg3 (35...a5!?+=) 36.Qe4+- Qg7 37.Qh4 a5 38.Qd8 (38.Bd3!? b4 39.Bc2 Be7+-) 38...a4+- 39.Qd7 (39.Kf2 a3 40.Bb3 Qe7+=) 39...Qh6 40.Qe8 (40.Qc7 a3 41.Bb1 b4+=) 40...a3 41.Bb3 Qe3 42.Kh1 Qc1 43.Kh2 Qf4 44.Kh1 Kg7 45.Qf7 Qf7 46.ef7 Kf6 47.g3 Kf5 48.Bc2 Ke6 49.Bb3 (49.Bh7?? a2 50.Kg2 a1Q-+) 49...Kf5 50.Bc2 Ke6 ½–½. Nokes,Roger (2290) – Saric,Ibro (2555), 38th Olympiad, Dresden GER, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    12.Nd4 Ne5-/+ 13.Bb5 Kf8 14.f4 Ng6 15.f5 ef5 16.0-0 Kg7 17.Rf5 (17.Qf3 Rf8-+) 17...Rf8 (better is 17...Bf5!? 18.Nf5 Kf6-+) 18.Rf8-/+ Qf8 19.Ra2 Bc5 20.Rf2 Qe7 21.Qf3 Bd4 22.cd4 Be6 23.Re2 (23.Qb3 a6 24.Bd3 Rf8 25.Rf8 Kf8-/+) 23...Rf8 24.Qg3 (better is 24.Qe3!? Nf4 25.Ra2-+) 24...Qb4-+ 25.Bd3 (25.Qe1 Qd4 26.Kh1 Bf5-+) 25...Bf5 (better is 25...Qd4!? 26.Re3-+) 26.Bf5 Rf5 27.Nd2? (27.Qd3 Nf4 28.Qf5 Ne2 29.Kf2 Nd4 30.Qe5 Kg6 31.Qg3 Kf6 32.Qf4 Ke7 33.Nd2-+) 27...Rf4 (better is 27...Qd4 28.Qe3 Qe3 29.Re3 b5-+) 28.Nf3-/+ Re4 (28...Re4 29.Rf2 a5-/+) 0–1. Rossi,Carlo (2285) – Strikovic,Aleksa (2450), Forli op, 1988. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    12.Nd4 Ne5-/+ 13.Qh5 Nf7 14.Bb5 Kf8 15.f4 Bf6 16.Na3? (16.Qe2 Rg8-/+) 16...Qc7 (better is 16...Qa5!? 17.Kd1 Qc3-+) 17.Qf3-/+ a6 18.Be2 Bd4 (18...Rg8!?-/+) 19.cd4+= Qa5 20.Kf2 Bd7 21.Nc4 Qd8 22.Ne3 Rg8 23.Rhb1 b5 24.Kg1 Kg7 25.Kh1 Kh8 26.Ng4 Qe7 27.Qh3 Rgb8 (27...e5 28.de5 (28.fe5? Qg5-+) 28...Bf5 29.Rb3-/+) 28.Bd3 (28.Ra5 Rb6+=) 28...a5-/+29.Re1 b4 30.f5 b3 31.fe6 Be6 32.Qe3 Rb6 33.Bf5 b2 (33...Ng5 34.Rab1 a4 35.Nh6-+) 34.Rab1-/+ Raa6 (34...Ng5 35.Re2 Rf8 36.Bc2-+) 35.Bd3 Ra7 36.Re2?? (better is 36.Qf2 Kg7 37.Rb2 Rb2 38.Qb2=) 36...a4-+ (36...Bg4?! 37.Qe7 Re7 38.Re7+=) 37.Nh6 (37.Ne5 a3 38.Nf7 Qf7 39.Qe5 Qg7 40.Qf4-+) 37...a3 38.Nf7 Qf7 39.Qg5 Ra8 40.Qh4 (40.Qe3-+) 40...a2 41.Bh7 Qh7 (41...Qh7 42.Qf6 Kg8-+) 0–1. Hoiberg,Nina (2210) – Rewitz,Poul (2230), DEN, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    11.Bh6 gh6 12.0-0 0-0

    13.Na3 Bd7 14.Nb5 a6 15.Nbd4 Kh8 16.Qb1 Qc7 17.Re1 Rf7 18.Nb5 Qb8 19.Nbd4 Qa7 20.Qc1 Bf8 21.Qe3 Rc8 22.Reb1 Bc5 23.Qh6 Nd4 (worse is 23...Bd4 A) 24.Nd4? Nd4 (24...Ne5 25.Qh5 Qb8 26.Ba6+/-) 25.cd4 Qd4-+; B) 24.cd4 Rg7 25.Qh4+/-) 24.Ng5 (24.Nd4? Bd4 25.cd4 Qd4-+) 24...Nf3 25.gf3 Rg8 (25...Rg7 26.Kf1 Bf8 27.Ke2+-) 26.Kh1 Rg5 27.Qg5 Be7?? (better is 27...Qa8+/-) 28.Qh5+- (28.Qh5 Rg7 29.Rg1 Qf2 30.Rg7 Kg7 31.Rg1 Qg1 32.Kg1+-) 1–0. Steil Antoni,F (2185) – Maduekwe,C (2130), 4NCL, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    13.Ra4 Rf7 14.Re1 Bd7=+ 15.Nbd2 Kh8 16.Nf1 Qg8 17.Ng3 Raf8 18.c4 Rf3 19.gf3 (19.Qf3 Rf3 Combination; 19.gf3 Nd4 Decoy) 19...Nd4 20.Ra7 Nf3 21.Kg2 (21.Kf1 Nh2 22.Kg2 Bc5-+) 21...Ne1 22.Qe1 Bc6 23.Qe3?? (better 23.Ra5-+) 23…d4 (23...d4 24.Qe4 Be4 25.Be4 Rb8 26.Rb7 Rb7 27.Bb7 d3-+) 0–1. Schmidt,Kresten (2330) – Vaisser,Anatoli (2540), Paris–ch, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    13.Ra4 Rf7 14.Rg4 Rg7 15.Rg3 (15.Rg7 Kg7 16.Qa4 Kh8=) 15...Qf8 (15...Rg3 16.hg3 Qc7 17.Re1=+) 16.Rh3 (16.c4 Rg3 17.fg3 Qg7=+) 16...Bd7 (16...Qf4 17.Qe2-/+) 17.Kh1 (17.Qd2 Bg5 18.Qb2 b6=+) 17...Bg5 (17...Qf4 18.Re1=+) 18.Nbd2 Bf4 19.Qe2 Be8 (19...a5 20.g3 Bg5 21.Ng5 hg5 22.f4-/+) 20.g3 Bd2 21.Nd2 Qc5 22.Rh6 (22.Nb1 d4 23.cd4 Qd4-/+) 22...Qc3-/+ 23.f4? (better 23.Re1!?-/+) 23...Nd4-+ 24.Bh7 Rh7 25.Qg4 Kh8 26.Rh7 Kh7 27.Qh4 Kg8 28.Qg5 Kh8 29.f5?? (better 29.Qf6 Kg8 30.Qg5 Kf8 31.Qf6 Bf7 32.Qh6 Ke7 33.Qf6 Kf8 34.Qh6 Kg8 35.Qg5 Kh7 36.Qh4 Kg7 37.Qf6 Kg8 38.Qg5 Kh8 39.Qf6 Kg8 40.Qg5=) 29...ef5 (29...Nf5 30.Qf6 Ng7-+) 30.Qh6 (better 30.Rf4!? Qc1 31.Nf1+-) 30...Kg8= 31.Qg5 Attacking the isolated pawn on f5 31...Kf8 ½–½. Salmensuu,Olli (2415) – Crawley,G (2400), 3rd Open, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    13.Ra4 Rf7 14.Rg4 Kh8 15.Rg3 (15.Re1 Bc5+=) 15...Bd7 16.Rh3 Qf8 17.Nbd2 a5 18.Qe2 a4 19.Qe3 Bc5 20.Nd4 Nd4 (20...b5!? 21.N2f3 Rf4-/+) 21.cd4= Be7 22.Rh6 b5 23.Qh3 Qg8 24.f4 a3 (24...Bf8 25.Rh5 Rg7 26.Nf3=) 25.f5 (25.Nb3 Rg7=) 25...Bg5+= 26.Rg6 Rg7 (26...Be3! 27.Kh1 Qf8+=) 27.Rg7+= Qg7 28.fe6 Be6 (28...Bd2!? 29.ed7 Bc3+/-) 29.Qe6 Bd2 30.Qd5 Rf8 (30...Qg8 A) 31.Qb5 a2 32.Bc4 a1Q 33.Bg8 Qd4 34.Kh1 Rg8-/+ (34...Kg8?! 35.Qb7 Qd8 36.e6=); B) 31.e6 a2 32.Ra1+/-) 31.e6 (31.Rf8 Qf8 32.e6 Qe7 33.Bb5 Qg5 34.Qg5 Bg5+-) 31...Rf1 (better is 31...Rg8!?+/-) 32.Kf1+- Bg5 (32...Bb4 33.Bb5 Qc7 34.Bc4+-) 33.Qa8 Qg8 34.Qg8?? (better is 34.Qa3 Qe6 35.Qf8 Qg8 36.Qf5+-) 34...Kg8= 35.Bb1 Be7 36.Ke2 Kg7 (36...b4 37.Ba2=) 37.Kf3 Kf6 38.Ba2 (38.Bh7?? a2 (38...Ke6 39.Bg8 Kf5 40.g3=) 39.Bd3 a1Q 40.Bb5 Qd4-+) 38...h5 (38...Bd6!?=) 39.g4+= hg4 40.Kg4 Bb4 41.Kh5 (41.h4 Bd6+=) 41...Bc3 (41...Kf5 42.h3+=) 42.d5+= Be5 43.h3 Bf4 44.Bb3 (44.Kg4 Bd6+=) 44...b4 (44...Bd6 45.h4 Bf8 46.Kg4+=) 45.Kg4 Bd6 46.Kf3 Ke5 47.Ke3 Be7 48.Kd3 Bg5 (48...Kd6!?+/-) 49.Kc4 Be7 50.Ba2 Ke4 51.h4! 1–0. Salmensuu,Olli (2415) – Raaste,Eero J (2345), FIN–ch, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    13.Ra4 Kh8 14.Nbd2 Bd7 15.Qe2 Rg8 16.Kh1 Qf8 17.Rg1 Qg7 18.Rf4 (18.Ra2 a5=+) 18...Raf8 (18...a5 19.h3=+) 19.Rf8= Rf8 20.Nb3 Bd8 21.Nc5 Bc8 22.Re1 (22.Bb5 Be7 23.Nd3 Qg4=) 22...Ba5=+ 23.Rc1 Bb6 24.Na4 Bc7 e5 draws heavy fire 25.Re1 a6 (25...Rf4 26.Nb2-/+) 26.Bb1 (26.Qe3 b5 27.Nb2 Bb7=+) 26...b5-/+ 27.Nb2? (27.Nc5 Rg8 28.g3 Ba5-/+) 27...Ba5?? (better 27...Ne5 28.Nd4 Ng4-+) 28.Qe3=+ d4 (28...Qf7 29.Qh6 Bc3 30.Rc1=+) 29.Nd4 Nd4 30.Qd4 Bb7 31.Rg1? (31.Be4 Be4 32.Re4 Qg6=+) 31...Rd8?? (better 31...Bc3 32.Qc3 Rf2-+) 32.Qe3=+ Rd5 33.Nd3 Bc3 34.Ba2 Bd4 35.Qh3 Rd8 36.Qe6 Bc3 (36...Be4 37.Bb1=+) 37.Qh3 Be5 38.Ne5 Qe5 39.Qh6 Qg7 40.Qh5 Be4 41.f3 Bg6 42.Qg5 Qd4 43.h3 Re8 44.Rc1 Qe5 (better 44...Qb2=) 45.Qg4?? (45.Qd2 Qe7=) 45...a5?? (better 45...Qb2 46.Qg5 b4=+) 46.Rd1=+ Bf5 47.Qh4 Bc2 48.Rd8 Bg6 49.Bd5 Kg7 (49...b4 50.f4 Qf5 51.g4 Qf4 52.Qe1=) 50.Re8 (50.Rd7 Kh8=) 50...Be8=+ (worse 50...Qe8 51.Qd4 Kf8 52.Qf6 Bf7 53.Bf7 Qf7 54.Qd8 Qe8 55.Qa5+=) 51.Qg4 Kf6 (better 51...Kh6 52.Qh4 Bh5=+) 52.Bg8?? (better 52.Qh4 Qg5 53.Qd4 Ke7 54.f4=) 52...h5-+ 53.Qh4 Kg7 54.Bb3 a4 55.Bc2 a3 56.f4 Qc3 (56...Qc5 57.Qg3 Kf8 58.Bb3-/+) 57.Qg5? (better 57.Qe7 Bf7 58.Qg5 Kf8 59.Qd8 Be8 60.Qd6 Kg8 61.Qd8=+) 57...Kf8-+ 58.Qh6 (58.Bf5 Qc6 59.Bh7 Bf7-+) 58...Ke7 59.Qg5 (59.Bf5 Bf7 60.Qg5 Qf6 61.Qf6 Kf6 62.Bb1-+) 59...Kf8?? (better 59...Kd6 60.Bf5 Bd7-+) 60.Qh6= Ke7 61.Qg5 Kd6 62.Qd8 Bd7 63.Qb8 (63.Qb6 Ke7 64.Qa7 Qc2 65.Qa3 Ke6 66.Qe3 Kf7-+) 63...Ke7 64.Qa7 Qc2 65.Qa3 Kd8 66.Kh2 Qc4 (66...Qd2 67.Qa8 Kc7 68.Qa7 Kc6 69.Kg3-+) 67.Qd6 Qe6 (67...Qe4 68.Kg3-+) 68.Qf8 Kc7 69.Qc5 Bc6 70.Qh5 Qe4 71.Qf7 Kb6 72.Kg3 b4 73.f5 Qg2 74.Kh4 Qf2 75.Kh5 Qf3 76.Kg6 Qg3 77.Kf6 Qh3 78.Qf8 (78.Qe7 Qh4 79.Ke6 Bd5 80.Kd7 Qe7 81.Ke7 b3-+) 78...Qc3 79.Kg6 b3 80.Qb8 Kc5 81.f6 Be4 82.Kg5 (82.Kg7-+) 82...Qe3 83.Kh4 Qf2 84.Kg5 (84.Kg4 Qf5 85.Kg3 Qf3 86.Kh4 Qf6 87.Kg3-+) 84...Qf5 85.Kh4 Qf6 86.Kg4 Qe6 (better 86...b2 87.Qc7 Kd4 88.Qa7 Kd3-+) 87.Kg5 Qg6 88.Kh4 Qf6 89.Kg4 b2 90.Qc7 Kb4 91.Qb8 Kc4 92.Qg8 Kc3 93.Qc8 Kd2 94.Qd7 Kc1 0–1. Surtees,M (2180) – Knott,S (2385), ch–EU Liverpool ENG, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    13.Qc2 Rf7 14.Nbd2 Bd7 15.h3 (15.c4 a5=) 15...Qc7=+ 16.Rfe1 a6 17.Re3 (17.c4 Nb4 18.Qb3 Qb6=) 17...Raf8 18.Rae1 (18.Re2 Bg5 19.c4 Nb4-/+) 18...Na5 (18...b5 19.R3e2-/+) 19.Nf1 (19.Ra1 Bc5 20.Ree1 b5=+) 19...Nc4 20.R3e2 Rg7 21.N1h2 Kh8 22.Kh1 h5 23.g3 (23.Qa2!?-/+) 23...b5 24.h4 Bc6 (24...a5 25.Nd4-+) 25.Kg1 (25.Nd4 Qc8-/+) 25...a5 26.Qc1 Qb6 27.Ng5 (27.Nd4 b4 28.Qh6 Bd7-/+) 27...Bd7 (27...Ne5 28.Rd1-+) 28.Nf1? (28.Bc4 bc4 29.Rb2 Qd8-+) 28...a4 (better 28...Ne5!? 29.Rd1 h6 30.Nh3 Nf3 31.Kh1-+) 29.Qb1 Bg5 30.hg5 Bc6 (better 30...Rgf7 31.Bc4 Rf2-+) 31.Qc1? (better 31.Bc4 dc4 32.Qb4-/+) 31...a3?? (31...Ne5 32.Re5 Qf2 33.Kh1 h4-+) 32.Bc4=+ dc4 (32...bc4 33.Qa3 Rd8 34.Ra1=) 33.Qa3= Rgf7 34.Ne3 Bb7 (34...h4!? 35.gh4 Ba8=) 35.Qd6+= Qa5 36.Qe6 (36.Rc1 Qa8+=) 36...Qc3= 37.g6 (37.Qd6 Rf2 38.e6 Qe3 39.Qf8 (39.Re3?? Rg2 40.Kh1 Rd2 41.Kg1 Rd6-+) 39...Rf8 40.Re3+/-) 37...hg6-/+ 38.Qg6 Qe5 39.Ng2 (39.f4 Rf6 40.Qc2 Qe4-/+) 39...Qf6 (39...Qd5!? 40.f4-+) 40.Qh5 (40.Nh4 Bc6-/+) 40...Kg8 (40...Rh7 41.Qe5-/+ (41.Qb5? Bg2 42.f4 Bb7-+)) 41.Nf4 (better 41.Nh4 Bc6 42.Qc5-/+) 41...Qg7?? (41...Rh7 42.Qg4 Kh8 43.f3-/+) 42.Re8?? (better 42.Re5 Rf4 43.Rg5+-) 42...Rf4-/+ 43.Qb5 R4f7 44.Qc4 1-0. Abrashkin,B (2405) - Sviridova,Vlada (2140), Titled Tuesday 6th Oct, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5)

    13.Nbd2 Rf7 14.Re1 Qf8 15.Nf1 (15.c4 Nb4 16.Nb3 Qg7=) 15...Bd7 16.Ng3 Kh8 17.Ra4 (17.Rb1 b6=) 17...a6 18.Nh5 (18.Ra2 b5=) 18...Be8 19.Nf6 (19.Ng3!?=+) 19...Bf6 20.ef6 Rf6 21.Rh4 Bg6 22.Qd2 Bd3 23.Qd3 Qg7 24.Rh3 Raf8 25.Rg3 Qf7 26.Qe3 Qc7 27.Rh3 Rg8 28.Nd4 e5 29.Nc6 Rc6 (29...Qc6?! 30.Qe5 d4 31.Re4 dc3 32.Rc3=+) 30.Qe5? (better 30.Rg3!?-/+) 30...Qe5-+ 31.Re5 d4 32.c4 Rc4 33.f4 (33.Re1 Rd8-+) 33...Rc1 (33...Rc2 34.Rg3 b5 35.Rd5 Rg3 36.hg3-+) 34.Kf2 Rc2 35.Kf3 Rc3 (35...Rgg2 36.Ke4 Rcd2 37.Re8 Rg8 38.Rg8 Kg8 39.Rh6-+) 36.Ke4 Rh3 37.gh3 Rd8 38.Kd3 Rd7 39.Re6 Kg7 40.h4 h5 41.Rb6 a5 (41...Kf8!? 42.Rh6-+) 42.Rb5-/+ a4 43.Ra5 b5! 44.Rb5 Ra7 45.Kc2? (better 45.Kd4 a3 46.Rb1=+) 45...a3-+ 46.Kb1 a2 47.Ka1 Kf6 (47...d3 48.Rd5 Ra3 49.Rd6-+) 48.Rd5 Ra4 49.f5 d3! 50.Rd3 Rh4 (50...Kf5!? 51.h3-+) 51.h3-/+ Ra4 52.Rf3 Ra5 53.Rb3 (53.Rf2 Ra3-+) 53...Kf5 54.Rb4 Ra3 55.Rb5 Kg6 56.h4 Ra4 57.Rg5 Kh6 58.Rb5 Rh4 59.Ka2 Rg4 60.Kb3 h4 61.Kc3 (61.Rd5 Rg2-+) 61…h3 (61...h3 62.Rb6 Kg5-+) 0–1. Schmedders,Hans Gerd (2245) – Glek,Igor V (2535), Recklinghausen op, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6)

    13.Re1 Bc5 14.Qd2 Qe7 15.Qh6 Qg7 16.Qh3 Bd7 17.Nbd2 Rf4 (better 17...a5!?=) 18.Bh7!+- Kf7 (18...Qh7 19.Qg3 Double attack (19.Qg3 Decoy)) 19.Qh5 Ke7? (better 19...Kf8!? 20.Nb3 Bb6+-) 20.Bg6+- Kf8 (20...Rf3 21.Nf3 (21.gf3?! Rg8 22.Qg5 Kf8=) 21...Rg8 22.Qh7+-) 21.Qg5 Kg8 (21...Rf7 22.Bf7 Kf7 23.Qg7 Kg7 24.c4+-) 22.Qf4 Qg6 23.c4 (23.Reb1 b6+-) 23...Nb4 24.Re2 (24.Rf1 Nd3 25.Qh4 Bc6+-) 24...Rf8 (24...Nd3 25.Qf6 Qf6 26.ef6+-) 25.Qh4 (25.Qg3!? Qg3 26.hg3 Bb6+-) 25...Nd3+- 26.g3 (26.Qg3!? Qg3 27.hg3+-) 26...Bc6+= 27.Rf1 (27.cd5 Bd5 28.Ra4 Nf2 29.Rf2 Bf2 30.Kg2 Bg3 31.Qg3 Qg3 32.Kg3 a6+-) 27...Nf4 (27...dc4 28.Qg5 Qg7 29.Qg7 Kg7 30.Ng5=) 28.Ree1 (28.Re3 dc4 (worse 28...Be3 29.fe3 Ne2 30.Kg2+=) 29.Nc4 Be3 30.fe3 Bf3 31.ef4 Be2+-) 28...dc4= 29.Ng5 Ng2 (29...Bb4!? 30.gf4 Bd2=+) 30.Qc4+= Qg5 31.Ne4 (better 31.Qe6 Kh8 32.Ne4 Be4 33.Re4+-) 31...Be4?? (better 31...Qf5 32.Kg2 Qf3 33.Kg1 Be4 34.Qe4 Bf2 35.Rf2 Qf2 36.Kh1 Qf3 37.Qf3 Rf3=) 32.Re4+- (32.Qe6?! Kh8 33.Re4 Nf4+-) 32...Qf5 33.Kg2 (33.Rg4 Kf7 34.Qe2 Ke7+-) 33...Qf3 34.Kh3 Qh5 (34...Qf5 35.Rg4 Kf7 36.Qe4+- (36.Qc5?! Rh8 37.Kg2 Qg4+-)) 35.Rh4 Qe5 (35...Qf5 36.Qg4 Qg4 37.Rg4 Kh7+-) 36.Qg4 Kf7 (36...Qg7 37.Qe6 Qf7 38.Qg4 Qg7 39.Qc4 Qf7 40.Qc5 Qf5 41.Rg4 Kh8 42.Qa7 Rg8 43.Qd4 Kh7+-) 37.Rh7 Ke8 (37...Kf6 38.Qg7 Kf5 39.Rh5 Ke4 40.Qe5 Kd3 41.Rd1 Kc2 42.Qe2 Kb3 43.Rb1 Ka3 44.Qb2 Ka4 45.Qc2 Ka3 46.Qb3) 38.Qh5 (38.Qh5 Qh5 39.Rh5 Rf2 40.Re1+-; 38.Qa4 b5 39.Qb5 Kd8 40.Qd7) 1–0. Van den Berg,Ha (2135) – De Roode,M (2095), SPA Open A Amsterdam NED, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    13.Re1 Bd7 14.Nbd2 Rf7 15.c4 Nb4 16.Bb1 Bc6 17.Nd4 Bc5 18.N2b3 (worse 18.Ne6 Bf2 19.Kh1 Qd7 20.Qg4 Rg7-+) 18...Bd4 19.Nd4 dc4 20.Ra3 Rg7 21.Rg3 Rg3 22.hg3 Bd5 23.f4 Kh8 24.Kh2 c3 25.Qh5 White plans f5 25...Qf8 26.f5 Rc8 27.Nc2 Nc2 (27...ef5?! 28.Nb4 Qb4 29.Qf5=) 28.Bc2 ef5 29.Bf5 Re8 30.e6 Re7 31.Bh3 Bc6 32.Qc5 Qg7 33.Re3 c2 34.Qc2 Qd4 35.Rd3 Qf6 36.Qc5 a6 37.Rd4 Qg5 (better 37...Re8=+) 38.Rd8+- Be8 39.Qd4 Qg7 40.Qf4 (40.Qd6 Kg8 41.Rd7 Kf8+-) 40...Kg8 41.Bf5 (41.Bg4 Qg6 42.Qd6+-) 41...Qf6= 42.Qg4 Qg5 43.Qe4 Kg7 44.Qd3 (44.Rb8 b5=) 44...h5 45.Kh3 (45.Qd5 Qf6=+) 45...Bc6 (better 45...Qf6!? 46.g4 hg4 47.Kg4 a5-/+) 46.Qd4 Kh6 47.Qe5 (47.Rf8 Be8 48.Kh2+-) 47...Be8=+ 48.Qe4 Bg6 (48...Qf6!?-/+) 49.Bg6= Qg4 (49...hg6?? 50.Rh8 Rh7 51.Rh7 Kh7 52.e7+- (52.Qb7?! Kh6 53.Qc8 Qf6+-); 49...Qg6 50.Qf4 Qg5 51.Qf8 Rg7 52.Rd3+-) 50.Kh2 Re6 (50...Qg6!? 51.Qf4 Qg5 52.Qf8 Qg7 53.Qf4 Qg5 54.Qf8 Qg7 55.Qf4 Qg5=) 51.Qg4+- hg4 52.Bf5 Rb6 (52...Rf6 53.Bg4 b5 54.Be2+-) 53.Bg4+- a5 54.Ra8 Rb4 55.Bf5 a4 56.g4 Kg5 57.Bd7 (57.Bh7?! Kg4 58.Bg6 b5+-) 57...b5 58.Ra5 Kf4 (58...Rd4 59.Rb5 Kf4+-) 59.Rb5 (better 59.Bb5 Kg4 60.Ba4+-) 59...Rb5+- 60.Bb5 a3 61.Bc4 Kg4 62.Be6 Kf4 63.Kh3 h6 64.Ba2 Ke3 (64...Kg5 65.g3+-) 65.Kg3 Ke2 66.Kh4 Kf2 67.g3 Kf3 68.Bd5 Kf2 69.g4 Ke3 70.Kh5 Kf4 71.Ba2 Kg3 72.Bb3 ½–½. Christensen,Bo (2275) – Hillarp Persson,Tiger (2595), Politiken Cup, Helsingor DEN, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    13.Qe2 Rf7 14.Nbd2 Qf8 15.Nd4 Bc5 16.N2b3 Bb6 17.g3 Bd7 18.Kh1 Re8 19.f4 Qg7 20.Nb5 Rff8 21.Nd6 Rb8 22.h3 Kh8 (22...Qg3? 23.Rg1 Bg1 24.Rg1 Qg1 25.Kg1+-) 23.Kh2 Rg8 24.Rf3 Be8 25.Ne8 Rbe8 26.Qb2 Ref8 27.Raf1 Qe7 28.Bb1 (28.c4 Qb4 29.Qc2 Rc8=) 28...Rg7 29.Kh1 Rfg8 30.Kh2 h5 31.Rd1 Rf7 32.Rdf1 Qf8 33.Qe2 Qg7 34.Bc2 Rgf8 35.Qd3 Qh6 36.Kh1 a6 37.Bb1 Ba7 38.Kg2 Qg7 39.c4 dc4 (39...h4!? 40.cd5 Nb4-/+) 40.Qc4= Re8 41.h4 (41.Be4!?=) 41...Rc7 42.Qe2 Qg4 43.Rd1 Ne7 44.Kh2 Rc3!? 45.Rdd3 (45.Rc3 Qe2 Double attack (45...Qe2 Pinning; 45...Qe2 Deflection)) 45...Rc7 46.Nd2 (46.Rd1!?=) 46...Rc1 47.Rd7 Rec8 48.Bd3 Ng6 49.Rf1 (49.Rb7?? Bg1 50.Kg2 Nh4 51.Kh1 Qh3 52.Qh2 Qh2) 49...R1c7 50.Qg4 hg4 51.Rc7 Rc7 52.Bg6 (52.Ne4 Bd4=) 52...hg6=+ 53.Ne4 Rc2 54.Kh1 Re2 55.Ng5 Bf2 56.Rd1 Re1 57.Re1 Be1 58.Kg2 a5 59.Ne6 a4 60.Nd4 a3 61.Nc2 a2 62.h5? (better 62.Na1-+) 62...gh5 63.f5 (63.Na1 b5-+) 63...Bc3 64.e6 Kg7 (64...Kg7 65.Kg1 b5-+) 0–1. Kappelt,Joerg (2155) – Lemanczyk,Thomas (2265), Niederrhein–ch, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    11.Bh6 gh6 12.Ra2 0-0

    13.0-0 A) 13...Bd7 14.Nbd2 (14.Re1 Qc7 15.Qe2 Bc5 16.Nbd2 Rf4 17.Nb3 Bb6 18.Nbd4) 14...Qb6 15.Qe2 Qc5 16.Rc1 a5 17.Rb2 Qa7 18.Rcb1; B) 13...Qc7 14.Qe2 (14.Re1 a6 15.Qe2 Bc5 16.Nbd2 Qg7 17.Nb3 Be7 18.Nbd4) 14...Bd7 15.Nbd2 Rf7 16.Qe3 h5 17.Nb3 a5 18.Nbd4; C) 13...a5=+ 14.Re1 (14.Ra4 Bd7 15.Nbd2 h5 16.Qc2 Rf7 17.Qb3 Qc7 18.Re1) 14...Rf7 15.Nbd2 Qb6 16.Qc2 Bc5 17.Nf1 Qc7 18.Qa4.

    13.Ra4 A) 13...Bd7 14.0-0 (14.Rg4 Kh8 15.Nbd2 Qa5 16.Qb3 h5 17.Rg3 Qa1 18.Bb1) 14...Qc7 15.Re1 h5 16.Nbd2 Na5 17.Rd4 Qc3 18.Qb1; B) 13...h5 14.0-0 (14.Na3 Bd7 15.0-0 a6 16.Nc2 Rc8 17.Ncd4 Nd4 18.Rd4) 14...Bd7 15.Nbd2 Rf7 16.h3 Qb6 17.Qe2 a5 18.Rb1; C) 13...Qc7 14.Qe2 (14.Rg4 Kh8 15.Qe2 h5 16.Rg3 h4 17.Rh3 Rf3 18.Rf3) 14...Bd7 15.Rg4 Kh8 16.0-0 h5 17.Rg3 Be8 18.Nbd2.

    13.Nbd2 A) 13...a5 14.0-0 (14.Qe2 a4 15.0-0 Qb6 16.Rb1 Qc5 17.Rc2 a3 18.Nb3) 14...Qb6 15.g3 Bd7 16.Qe2 a4 17.Rb1 Qa7 18.Nd4; B) 13...Qb6 14.0-0 (14.Qc2 Rf7 15.0-0 Bd7 16.Rb2 Qc7 17.Re1 Raf8 18.Qb3) 14...a5 15.Qc2 Rf7 16.Ra4 h5 17.Rb1 Qc7 18.Re1; C) 13...Qc7 14.Qe2 a5 15.0-0 a4 16.Qe3 Rf7 17.Re1 h5 18.Qh6.

    13.Qe2 A) 13...Qb6 14.Rb2 (14.0-0 a5 15.Nbd2 Qc5 16.Rc1 Nb4 17.Rb2 Nd3 18.Qd3) 14...Qc7 15.0-0 a5 16.Qe3 Rf7 17.Ra2 Bd7 18.Na3; B) 13...Qe8 14.0-0 (14.Nbd2 a5 15.0-0 Qh5 16.Bb5 Rf5 17.Bc6 bc6 18.Rfa1) 14...a5 15.c4 Nb4 16.cd5 ed5 17.Ra3 Bg4 18.Nbd2; C) 13...a5 14.0-0 (14.Na3 a4 15.0-0 Bc5 16.Nb5 a3 17.Nbd4 Qe7 18.Nc6) 14...Qb6 15.Rb2 Qc5 16.Re1 a4 17.Rb5 Qa7 18.Qd2.

    13.h4 Rf7 (13...Qc7 14.Qe2 Bd7 15.0-0 Rf4 16.Na3 Na5 17.Nc2 Nc4 18.Rb1; 13...a5 14.0-0 (14.Na3 a4 15.0-0 Bc5 16.Nb5 a3 17.Nbd4 Qc7 18.Qe2) 14...Bd7 15.Nbd2 Qb6 16.Qc2 Rf7 17.Ra4 h5 18.Rb1; 13...Rf4 14.Nbd2 (14.0-0 a5 15.Ra4 Qf8 16.Nbd2 Ra4 17.Qa4 Bd7 18.Qb3) 14...Qf8 15.g3 Rg4 16.0-0 h5 17.Nb3 Bd7 18.Nbd4) 14.Re2 (14.0-0 a5-/+ (14...Bd7 15.Nbd2 Qc7 16.Qe2 a5 17.Qe3 a4 18.Re1) 15.Nbd2 Bd7 16.Qe2 a4 17.Qe3 Qc7 18.Re1; 14.Nbd2 Qc7 15.Qe2 a5 16.0-0 a4 17.Qe3 a3 18.Re1) 14...Bd7 (14...a5 15.Qc1 Qf8 16.Rh3-+ a4 17.Rg3 Kh8 18.Kf1) 15.Rh3 (15.Qc1 Qf8 16.Rh3 Kh8-+ (16...a5 17.Kf1 a4 18.Ra2) 17.Kf1 a5 18.Rb2; 15.0-0 Qc7 16.Rfe1 Rg7 17.Kh2 Rf8 18.Qc1) 15...Kh8 16.Nbd2 (16.Kf1 a5 (16...Qa5 17.Qc1 Qa4 18.Qh6) 17.Qc1 Qf8-+ (17...a4 18.Qh6) 18.Rb2; 16.Qd2 Qf8 17.Kf1 a5 18.Rg3) 16...Qc7 (16...Qa5 17.Qb3-+ Qa1 18.Nb1; 16...a5 17.c4 Nb4 18.Bb1) 17.g4 (17.Kf1 a5-+ (17...Rg8 18.Nb3) 18.Bb5) 17...Rg8 (17...Na5 18.Re3-+; 17...a5 18.g5) 18.Rg3 (18.g5 h5-+) 18...Rfg7 19.g5 hg5 20.hg5 Bg5 21.Ng5 Rg5 22.Rh3 (22.Rg5 Rg5 23.Nf3 Rg7-+) 22...Rg1 23.Nf1 R8g7 24.f4 Be8 25.Reh2 Bg6 26.Rh6?? (26.Bg6 R1g6 27.Rf2-+) 26...Ne5! 27.fe5 Qc3 28.Ke2 (28.Qd2 Qd3 29.Qd3 Bd3 30.Kd2 Bf1 31.Re6-+) 28...Bd3 29.Qd3 R1g2 30.Rg2 Rg2 31.Ke3 (31.Kf3 Qd3 32.Kg2 Qe4 33.Kg1-+) 31…d4 (31...d4 32.Kf3 Qd3 33.Kg2 Qe2 34.Kg1 d3-+; 31...Qe1 32.Kd4 Rg4 33.Qe4 Re4 34.Kd3 Qf1 35.Kc2 Qf2 36.Kc3 Re3 37.Kb4 Qb2 38.Kc5 Qb6) 0–1. Perez,Flavio (2240) – Arsenault,Nicolas (2110), Open A, Cannes FRA, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.de5 Nh6 11.Bh6 gh6)

    10.Ne5 Nf6

    11.0-0 0-0 12.Nd2 Bd7 13.f4 a6 14.Qe2 Rc8 15.Re1 Ne5 16.fe5 Ne8 17.Bb2 g6 18.c4 dc4 19.Bc4 Ng7 20.Ne4 Bc6 21.Nf6 Kh8 (21...Bf6 22.ef6 Rf6-/+ (worse 22...Qf6 23.d5 Qf5 24.dc6 Rc6 25.Bg7 Kg7 26.Be6+-)) 22.Rf1 Bd5 (22...Nf5 23.Qd3=+ (23.Be6? Nd4 24.Bd4 Qd4 25.Kh1 Bb5-+)) 23.Bd5 ed5 24.Ba3 Ba3 25.Ra3 Qb6 26.Rd3 Ne6 d4 becomes a target 27.Qd2 Qb5 (27...Rc7 28.Ra1 (28.Nd5?? Rf1 29.Kf1 Qb1 30.Ke2 Rc2-+) 28...Qc6 29.Qe3=+) 28.Rd1?? (28.Rh3 Rf7 29.Qh6+-) 28...Rf7=+ 29.Rf3 Rd7?? (29...Rc4 30.Rc3=+) 30.Qh6 (30.Nd7 Qd7 31.Rf6 Kg8+-) 30...Qe2?? (30...Rg7 31.Qh3 Rc6 32.Qh6=) 31.Qd2?? (better 31.Rdf1 Rf7 A) 32.Nd5 Rf3 33.gf3 Qd3-/+ (33...Nd4 34.Nf6 Nf3 35.Rf3 Rc1 36.Qc1 Qf3 37.Qc8 Kg7 38.Qg8 Kh6 39.Qf8 Kg5 40.Nh7 Kg4 41.Qf3 Kf3 42.e6+-); B) 32.Nh7 Qf1 33.Kf1 Rh7 34.Qg6 Nd4 35.Qf6 Rg7 36.Rg3 Rc1 37.Kf2 Rc2 38.Ke1 Rc1 39.Kd2 Rc2 40.Kd3 Rc3 41.Kd4 Rcg3 42.hg3+-) 31...Qd2=+ 32.Rd2 Rc1 33.Kf2 Ng5?? (33...Rd8 34.Rh3 Rc7 35.Ra3=+) 34.Re3?? (better 34.Nd7 Ne4 35.Ke3 Nd2 36.Kd2+-) 34...Rf7=+ 35.Ke2 Ne6 36.Nd5 Rd7 (36...Rd7 37.Nf6 Rd4 (worse 37...Nd4 38.Kf2 Rd8 39.Red3+-) 38.Rd4 Nd4 39.Kd2 Rc7=) 0–1. Perez,Flavio (2180) – Ribreau,Herve (2245), FRA–chT2, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.Ne5 Nf6)

    11.0-0 0-0 12.Nd2 Ne5 13.de5 Nd7 14.Qh5 g6 (14...h6!?+=) 15.Bg6= hg6 16.Qg6 Kh8 17.Ra4 Rf5 18.Qh6 (18.Rg4 Qf8 19.Rg3 Bh4+/-) 18...Kg8 19.Qe6 Rf7 20.Rg4 (20.Qd5?! Nc5 21.Qd8 Bd8+=) 20...Bg5 21.Qd5 Kf8 (21...Qe7 22.e6 Ne5 23.ef7 (worse is 23.Qe5 Rg7 24.Ne4 Bh4+-) 23...Nf7 24.Ba3 Qa3 25.Rg5 Kf8 26.Nc4+-) 22.e6 Rg7 23.Ba3 Be7 (23...Nc5 24.Qc5 Kg8+-) 24.Qf5 (24.Qf5 Nf6 25.Qf6 Ke8 26.Rg7 Qd6 27.Re7 Qe7 28.Qe7) 1–0. Berg,E (2600) – Eriksson,Joh (2400), ch–SWE Master Elite, 2011. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 f6 9.Bd3 fe5)

    11.Nd2 0-0 12.Ndf3 Bd7 13.0-0 a6 14.Qe2 Rc8 (14...Ne5 15.Ne5 Rc8 16.Qe3=) 15.Re1 (better 15.Ng5!? Qc7 16.Nd7 Qd7 17.Ne6+=) 15...Ne5=+ 16.Ne5 Rc3 17.Bd2 (17.Qb2 Rc7=+) 17...Rc8 (17...Ra3!?-/+) 18.Reb1 Bc6 (better 18...Bb5!?=+) 19.Nc6+= Rc6 20.Rb7 Ne4? (better 20...Rf7+=) 21.Be4+- de4 22.Qe4 (22.Ra6 Ra6 23.Qa6 Qd4=+) 22...Rb6?? (22...Rd6 23.Ba5 Qa8+-) 23.Ba5 Rb7 (23...Qd4 24.Qd4 Rb7+-) 24.Bd8 Rd7 (24...Rd8 25.Qb7 Kf7 26.Ra6 Rd4 27.Kf1+-) 25.Be7 (25.Qe6 Rf7 26.Qd7 Bd8 27.Qd8 Rf8 28.Qe7+-) 25...Re7 26.Ra6 Rd8 27.g3 g6 28.Re6 (28.Re6 Rd4 29.Rg6 hg6 30.Qe7 Rd1 31.Kg2+-) 1-0. Popadic,Dr (2170) - Sviridova,Vlada (2140), Titled Tuesday 7th July, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5)

    11.Qf3 0-0 12.Bf4=+.

    11.Qf3 Qc7 12.Qg3 (better 12.Bf4!? Ne5 13.Be5=) 12...Bd6-/+ 13.f4 Nd4 14.cd4?? (better 14.Ba3 Ba3 15.Ra3-+) 14...Qc1-+ 15.Ke2 Qb2 (better 15...Qh1 16.Qg7 Rf8-+) 16.Nd2-/+ 0-0 17.Ke3 (17.Qe3 Qb6 18.Rhb1-+) 17...Ne4 18.Ne4 (18.Ne4 de4 Passed pawn; 18.Be4 de4 Passed pawn) 18...Be5 19.fe5 de4 20.Be4 Bd7 21.Rab1 Qa3 22.Bd3 b6 (22...b5 23.Ra1 Qe7 24.Be4=+) 23.Qh4 (23.Ra1 Qe7=+) 23...g6 24.Ra1 Qb2 25.Qg3 (25.Rhb1 Qc3 (25...Qg2?? 26.Be4 Rf4 27.Qf4 Qh3 28.Qg3 Qh6 29.Kd3+-) 26.Rc1 Qb2=) 25...Bc6=+ 26.Rhg1?? (better 26.Bg6 Qg2 27.Qg2 Bg2 28.Rhg1 hg6 29.Rg2=) 26...Rad8-+ 27.Qh4 Rd4 28.Qe1 (28.Qf6 Rf6 29.ef6 Qc3-+) 28...Rdf4 (28...Rd3 29.Kd3 Rd8 30.Ke3 Qe5 31.Kf2 Rf8) 29.Qg3 (29.Rf1 Qd4 30.Kd2 Rf1 31.Qf1 Qb2 32.Ke3 Qe5 33.Kd2 Rf1 34.Rf1 Qh2 35.Rf2-+) 29…Qd4 (29...Qd4 30.Ke2 Rf2 31.Qf2 Rf2 32.Ke1 Qe3 33.Kd1 Qd2) 0–1. Spiesberger,G (2105) – Kuthan,A (2195), ch–AUT Jenbach AUT, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.f4 0-0 12.0-0 Qc7 13.Ra2 b6 14.Re2 (14.Ba3 Bb7=+) 14...Ne5 (14...a6!?-/+) 15.fe5= Ne4 16.Rf8 Bf8 17.Bb2 (17.Be4 de4 18.Re4 Bb7=) 17...a5 18.Re3 (18.c4 Qc6=+) 18...Ba6 (18...Ng5 19.Qg4 Qd8 20.Rg3=) 19.Be4=+ de4 20.Re4 Bb7 21.Re2 (21.Rf4 b5=+) 21...a4 22.Qc1 Qc4 23.Rf2 Be7 (23...Qd3 24.Ba3=+) 24.Ba3 Bh4 25.Rf1 (25.Rb2 Qd3=+) 25...Qd5 (25...Qe2 26.Qd2 Ba6 27.Rf3-/+) 26.Qd2=+ Ba6 27.Rc1 h6 (27...Qe4-/+) 28.Rc2 (better 28.Qb2!?=+) 28...Qe4 29.Qd1 Bd3 30.Rb2 Bb1 (30...b5 31.Nd2 Qe1 32.Qe1 Be1 33.Ra2-/+) 31.Rb1 Qe3 32.Kh1 Qc3 33.Qf3 (better 33.Bb4!? Qc4 34.Ba3-/+) 33...Qf3-+ 34.gf3 Ra6 35.Kg2 Kf7 36.Rc1 Ra7 37.Rc6 Be7 (37...Rb7!? 38.Rc8 Be7 39.Be7 Ke7 40.Ra8-+) 38.Be7-/+ Ke7 39.Rb6 a3 40.Rb1 a2 41.Ra1 Kd7 42.f4 Ra3 (42...Kc6 43.Kf2-+) 43.f5 (43.d5 ed5 44.f5 d4-+) 43...ef5 44.d5 g5 45.Kf2 f4 46.Kg2 h5 47.Kf2 g4 48.Kg2 (48.h4 Ra5-+) 48...h4 Black intends g3 49.Kg1 (49.Kf1 h3 50.Ke1 g3 51.hg3 fg3-+) 49...h3 50.Kf2 g3 51.hg3 fg3 52.Kg1 (52.Kf1 Rf3 53.Ke2 Rf2 54.Ke3-+) 52…Rb3 ½–½. Lerch,P (2285) – Heinz,Ti (2260), TCh–FRA Top, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.f4 0-0 12.0-0 Bd7 13.g4 (better 13.Nd7 is the best option White has 13...Qd7 14.Nd2=) 13...Ne5-/+ 14.fe5 Ne4 15.Rf8 Qf8 16.Qe2 Ng5 17.Kg2 g6 (17...a5 18.Be3-/+) 18.h4 White threatens to win material: h4xg5 18...Ne4 Menacing 19.g5 White gains space (19.Be4 de4 20.Kg3 Qf3 21.Qf3 ef3=+) 19...Qf7 (19...Bc6 20.Be3=+) 20.Be3 a6 (20...Qf5 21.Kh2 a6 22.Qg2=+) 21.Ra2 (21.Be4!? de4 22.Nd2=) 21...Rf8 (21...Qf5 22.Rb2 Bb5 23.Bb5 ab5 24.Qf3-/+) 22.c4 (22.Be4!? de4 23.Nd2-/+) 22...Bc6 23.c5? (better 23.Be4 de4 24.Nd2-/+) 23...Bc5 (better 23...Nc5 might be the shorter path 24.Bc2-+) 24.dc5?? (better 24.Be4 was a good chance to save the game 24...Bd4 25.Bd4 de4 26.Be3=+) 24...d4!-+ Deflection: g5 25.Kg1 (25.Bd4 Nc3 Double attack (25...Ng5 Deflection; 25...Nf2 Decoy)) 25...de3 26.Qe3 Qf4 (26...Qf4 27.Qf4 Rf4-+) 0–1. Perez,Flavio (2120) – Hassan,Abdul (2255), Wch U14 Oropesa del Mar, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 fe5 10.Ne5 Nf6)

    11.f4 0-0 12.0-0 Ne5 13.fe5 Ne4 14.Rf8 Qf8 15.Qe1 Bd7 16.Be4 de4 17.Nd2 Bc6 18.Ne4 Qf5 19.Ng3 (19.Nd6 Qg4 20.Ra2 b5=) 19...Qc2=+ 20.Qd2 Qb3 21.Ra2 a5 22.Qc2 (22.Rb2!? Qc4 23.Nf1=+) 22...Qc2-/+ 23.Rc2 a4 24.Ra2 Bd5 25.Ra1 a3 26.Nf1 b5 27.Ne3 Be4 28.Kf2 a2 29.c4 b4 30.Nf1 b3 31.Nd2 Bc2 32.c5 Ra4 33.Bb2 Kf8 34.g3 Ke8 35.h4 Kd7 36.Ke3 g5 37.Rh1 gh4 38.gh4 Bd8 39.Rg1? (better 39.Ne4-+) 39...Bh4 40.Nf3 (40.Ne4 Be4 41.Ke4 Kc6-+) 40...Be7 41.c6 (41.Rg7-+) 41...Kc6 42.d5 (42.Ba1 Ba3 43.Kd2 Bb1 44.Rc1 Kd7-+) 42…Kd5 0–1. Gabetto,Flaviano (2120) – Delorme,Axel (2415), Pavia Italy, Open, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5)

    11.g4 0-0 12.g5 Ne5 13.de5 Ne4 14.h4 (better is 14.Be4!? de4 15.Qd8 Bd8 16.Be3-/+) 14...Qb6-+ (14...Nf2 15.Bh7 Kh8 16.Qh5+-) 15.Be3 Bc5 (better is 15...Qb2 16.Nd2 Nc5-+) 16.Rh3?? (better is 16.Be4 Be3 17.fe3 de4 18.Qc1-+) 16...Be3-+ 17.fe3 (17.Re3 Qb2 18.Nd2 Nd2-+) 17...Qb2 18.Nd2 (18.Rf3 Qa1 19.Rf8 Kf8 20.Qf3 Kg8-+) 18...Nd2 19.Bh7 (19.Ra4 Nc4 20.Qc2 Qc2 21.Bc2-+) 19...Kh7 20.Qh5 Kg8 21.g6 Qa1 (21...Rf1 22.Ke2 Ne4 23.Kf1 Qf2) 22.Kd2 Rf2 23.Kd3 (23.Qe2 Qb2 24.Kd3 Qe2 25.Kd4 Qc4) 23...Qf1 (23...Qa6 24.c4 Qc4) 24.Kd4 Qc4 0–1. Jensen,Find – Mortensen, Hillerod, 1994. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 f6 9.Bd3 fe5)

    11.g4 Ne5 12.de5 Nd7 13.f4-+.

    11.Bg5 Qc7 12.Bf6 Bf6 13.Qh5 Ke7 14.Ng6 hg6 15.Qh8 Nd4 16.0-0=+.

    11.Bg5 Ne5 12.de5 Ne4 13.Be7 Qe7 14.Be4 de4 15.Qd4 0-0 16.Ra7 Ra7 17.Qa7 Qg5 18.0-0 Qe5 19.Qe3 Bd7 20.Nd2 The isolani on e4 becomes a target 20...Bc6 21.Re1 Rd8 (21...Qf5 22.Nf1=+) 22.f3= (22.Ne4?? Qe4 23.f3 Qe3 24.Re3 Kf7-+) 22...Qb5 23.Ne4 (worse 23.fe4 Rd3 24.Qf2 Rc3-/+) 23...Rd3 24.Qe2 Qd5 (24...Be4 25.Qe4 Qb6 26.Kf1 Rc3 27.Qe5=+) 25.h3 h6 26.Kh1 Kh8 27.Ra1 b6 28.Rb1 Qd8 (28...b5 29.Rc1=) 29.Re1 (29.c4 Rd4 30.Nf2 e5=) 29...Rd5 30.Qc2 Re5 31.Rd1 (31.c4 Qc7=) 31...Qh4 32.Rd4 Be4 33.Re4 Re4 34.fe4 Qe1 35.Kh2 Qe3 36.h4 e5 37.g3 (37.c4 g5=) 37...Qf3 38.c4 Kh7 39.Qg2 Qd3 40.Qf2 Qe4 41.Qb6 (41.h5 Qg4 42.Qf7 e4-/+) 41...Qc4 42.Qf2 Qg4 43.Qf7 h5 44.Qd5 e4 45.Qc4 Qf5 46.Qe2 Kg6 47.Kg2 Qd5 48.Qe3 Kf6 49.Qb6 Kf5 50.Qe3 Ke6 51.Kf2 Qa2 52.Ke1 Qc2 53.Qf4 Qc3 54.Ke2 Qd3 55.Kf2 Qc2 (better 55...Qd4 56.Ke1 g6-/+) 56.Ke3 Qd3 57.Kf2 g6 58.g4 (58.Qg5 Qf3 59.Ke1 Qc3 60.Ke2-/+) 58...Qc2 (better 58...Qd4!? 59.Kg2 Qb2 60.Kh3 Qe2-+) 59.Ke3-/+ Qd3 60.Kf2 Qd4 61.Ke2 Qe5 62.Qf8 (62.Qc1 Qb5 63.Kf2 hg4 64.Qc8 Qd7 65.Qc4 Qd5 66.Qc8 Ke7 67.Qc7 Kf8 68.Qf4 Kg7-+) 62...Qb5 63.Kf2 Qb6 64.Ke2 hg4 65.Qc8 Ke5 66.Qg4 Qb2 67.Kf1 Qc1 68.Kg2 Qd2 69.Kg3 Qd3 70.Kg2 Qd2 71.Kg3 e3 (71...Kd4 72.Qg6 Qe1 73.Kg2 Qh4 74.Qd6 Ke3 75.Qc5 Kd2 76.Qd4 Ke2 77.Qc4 Kd1 78.Qd4 Kc2 79.Qc4 Kb2 80.Qb4 Ka2 81.Qa4 Kb1 82.Qb5 Kc1 83.Qc5 Kd2 84.Qd4 Ke1 85.Qe3 Kd1 86.Qd4 Ke2 87.Qc4 Ke1 88.Qc3 Ke2 89.Qc4=) 72.Qg5-/+ Kd4 73.Qf6 Kc5 74.Qe7 (74.Qg5 Kc4 75.Qg6 Qf2 76.Kh3 Qf3 77.Kh2 e2 78.Qa6 Kb3 79.Qb5 Kc2 80.Qc4 Kd2 81.Qd4 Qd3 82.Qb2 Ke3 83.Qe5 Kf2 84.Qc5 Kf3 85.Qh5 Ke4 86.Qg6 Ke3 87.Qh6 Kf2 88.Qf8 Ke1-/+) 74...Kc4-+ 75.Qe6 Kc3 76.Qc6 Kb2 77.Qb5 Kc1 78.Qf1? (better 78.Kf3!? Qf2 79.Ke4 Qh4 80.Ke3 Qg3 81.Ke2 Qg2 82.Ke3 Qg1 83.Kf3 Qh1 84.Kf4 Qh2 85.Ke4=+) 78...Qd1-+ 79.Qc4 Qc2 80.Qf1 Kd2 81.Qf4 Qc5 82.Kg2 Kd3 83.Qf3 Qh5 84.Qg3 Qd5 85.Kg1 Qf5 86.Qe1 Qg4 Black plans e2 87.Kh1 Qf3 88.Kg1 Kc2 89.Kh2 e2 90.Kg1 Qe3 91.Kg2 Qd2 (91...Qd2 92.Kf2 Qe1 93.Ke1 Kd3-+) 0–1. Buturin,Vladimir (2375) – Glek,Igor V (2480), GMA–qual Belgorod, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.Ne5 Nf6)

    11.Bg5 Ne5 12.de5=+ Ne4 13.Be7 Qe7 (worse 13...Ke7 14.Qg4 Kf7 15.Be4 de4 16.Nd2+=) 14.Be4 de4 15.Qd4 0-0 16.Qe4 (16.0-0 Bd7 17.Nd2 Rad8 18.Qa7 Bb5=) 16...Bd7-/+ 17.Qe3 Bb5 18.Nd2 Qc7 19.f4 (19.f3!?-/+) 19...Rad8-+ 20.Ne4 Rd3 (20...Rd5!? 21.g3 Bd3-+) 21.Qc5 Qc5 22.Nc5 Re3 (worse 22...Rc3 23.Ne6 Rf7 24.Rd1=) 23.Kf2? (better 23.Kd1-/+) 23...Re5-+ 24.Nb7 Rf4 25.Kg3 Rf6 26.Nd6?? (26.Ra7 Re3 27.Kh4 Rf4 28.g4-+) 26...Rg6 (better 26...Rg5 27.Kh4 Rg2-+) 27.Kh4?? (better 27.Kf4 Rc5 28.Nb5 Rb5 29.Ra7 Rg2 30.h3=+) 27...Rg2 (27...Be2 28.Nf5 Rf5 29.Ra5 Ra5 30.g4 Rg4 31.Kh3 Rh5) 28.Kh3?? (28.Rag1 Rc2 29.Rb1-+) 28…Bc6 (28...Bc6 29.Nf5 Rf5-+) 0–1. Reinderman,Dimitri (2410) – Glek,Igor (2520), Groningen op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 fe5 10.Ne5 Nf6)

    9.Bd3 f5

    10.0-0 Bd7 11.Kh1 (11.Nbd2 Qc7=) 11...Bf8 (11...a6 12.Nbd2=+) 12.Rg1 (12.Na3 Nge7=) 12...Nge7 (12...a6 13.Nbd2=) 13.Ba3 g6 (13...Ng6 14.Bf8 Rf8 15.Na3=) 14.c4 (14.Nbd2 Bh6=) 14...Bh6 (14...dc4 15.Bc4 a6 16.Qd2=) 15.Nc3 (15.Nbd2 b6=) 15...a6 (15...dc4 16.Bc4 Na5 17.Ba2=) 16.cd5+= ed5 (better 16...Nd5 17.Nd5 ed5+=) 17.e6?? (better 17.Qb3+-) 17...Be6-/+ 18.Qe2 (18.Re1 Kf7=+) 18...Bf7 (18...Kf7 19.Rge1 Bc8 20.Bc5=+) 19.Rae1 (19.Rgb1 Rb8-/+) 19...Rc8 20.Na4 b5 (20...Bg7 21.Be7 Ne7 22.Nc5 Rc5 23.dc5=) 21.Nc5 (better 21.Be7 Ne7 22.Nc5=) 21...Qd6 22.Qb2 b4! 23.Re7 (23.Bb4 Rb8 Decoy) 23...Qe7 24.Re1 Qe1 25.Ne1 ba3 26.Qe2? (better 26.Qa3 0-0 27.Ba6-/+) 26...Kf8 27.Ne6? (27.Qc2 Re8 28.Nf3-+) 27...Kg8 28.g4 a2! 29.Nc2 (29.Qa2 Be6 Deflection) 29...fg4 (29...Nb4 30.Nb4 a1Q 31.Kg2-+) 30.Qg4 (30.Na1 Re8 31.Qa2-+) 30...Ne7 (better 30...Nb4! 31.Nb4 a1Q 32.Kg2 Qc3 33.Nd5 Qc6-+) 31.Nc5 Bg7 32.Qd7 (32.Ba6 Rb8 33.Qd7 Rb2 34.Qe7 Rc2 35.Qd8 Bf8-+) 32...Bf6 (better 32...Bd4 33.Nb3 Bf6-+) 33.Ba6 (33.Qa4 Nc6 34.Ba6 Rc7-+) 33...Rb8 (33...Rc6 34.Kg2-+) 34.Nb7 (34.Bb7 Kg7 35.Qa4 Rb7 36.Nb7-+) 34...Nf5 35.Qa4 Kg7 36.Qa2 Nd4 (36...Bd4? 37.Nd4 Nd4 38.Qa1+-) 37.Nd4 (37.Nd6 Rhd8 38.Nf7 Kf7-+) 37...Bd4 38.Kg2 Be5 39.Qd2 (39.Nc5 d4 40.Bc4 Rhc8-+) 39...d4 (39...Rhc8 40.Qe3 Re8 41.f4-+) 40.f4 Bf6 (40...Bd5 41.Kg3 Bf6 42.Qa5 Bb7 43.Qc7 Kh6 44.Bb7-+) 41.Kg3 (41.Kf2 Ra8 42.Qd3 Rhe8-+) 41...Rhc8 (better 41...Rhe8 42.Qa5 d3-+) 42.f5 (42.Nd6 Rc3 43.Kf2-+) 42...Rc3 (worse 42...gf5 43.Nd6 Rc5 44.Nf7 Kf7 45.Bd3-+) 43.Kg4 (43.Kf2 Ra8 44.Nd6 Ra6 45.Nf7 Kf7 46.Qb2-+) 43…h5 (43...h5 44.Kf4 g5 45.Ke4 Re8) 0–1. Pierbattisti,Giorgio – Coates,David, Leicester Atkins Congress, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4 6.c3 Be7 7.d4 Nc6 8.Nf3 f6 9.Bd3 f5)

    10.0-0 g5 11.Ng5 h5 12.f4 Qb6 13.Be2 (13.Na3 h4+-) 13...h4 (13...Bg5 14.fg5 Ne5 15.Bf4+=) 14.Bh5+- Kd7 15.Kh1 Qb5 16.Bf7 (16.Be2!? Qb6 17.Ba3+-) 16...Nd8+= 17.Bg8 Rg8 18.Na3 Qa6 19.c4 dc4 20.d5 Bg5 21.fg5 (better 21.Nc2 Qb6 22.fg5+=) 21...Nf7 (21...h3 22.Nc2 hg2 23.Kg2 Qb6+-) 22.Qh5+- Rg7 23.de6 (23.g6 Ne5 24.Qh8 Rg6 25.Qe5 h3+-) 23...Qe6+- 24.Bf4 (24.Rd1 Kc7 25.Qh4 Qc6+-) 24...h3 25.Rfd1 (25.Qh3 Ke8+-) 25...Ke7 (25...Ke8 26.Rd6 Qe7 27.Nb5+= (27.Nc4?! hg2 28.Kg1 Be6+=)) 26.Qh3+= Ng5?? (better 26...Qc6!?+=) 27.Qh4 (27.Qh8 Kf7 28.Rd8+-) 27...Qg6 28.Nc4 Be6 29.Nb6! Rb8 (29...ab6 30.Bg5 Double attack (30.Ra8 Pinning; 30.Ra8 Deflection)) 30.Ra7 (30.Ra7 Ke8 31.Bg5 Qg5 32.Qg5 Rg5 33.g3+-) 1–0. Schlag,Franz (1915) – Gensch,Manfred (1750), 2rd Berlin Germany, Senior Championship, 2010.

    10.0-0 g5 11.Ng5 h5 12.h4 Kf8 13.Be2 Qe8 14.Na3 Qg6 15.Nb5 Bd7 16.Ba3 Kg7 17.Be7 Nge7 18.f4 Nc8 19.Rf3 Kh6 20.Rg3 Nd8 (better 20...a6+-) 21.Nc7 Rb8 22.Kh2 Rg8 23.c4 dc4 24.d5 Rg7 25.de6 (worse 25.Bc4 ed5 26.Bd5 Be8+-) 25...Ne6 26.Nce6 (26.Bc4 Be8 27.Nce6 Rd7+-) 26...Be6+- 27.Qd8 Rg8 28.Qc7 Nb6 (28...Ra8 29.Qb7 Nb6+-) 29.Raa3?? (better 29.Ra7 Na8 30.Qd6+-) 29...Nd5 30.Qc4 Rgc8 (30...a6!? 31.Ne6 Qe6 32.Bf3+-) 31.Qd4 Qe8? (31...a6 32.Ne6 Qe6 33.Rg5+-) 32.Qf2 (worse 32.Ne6 Qe6 33.Rg5 Ne7+-) 32...a6? (better 32...Bg8 33.Ra7 Qe7+-) 33.Ne6 Qe6 34.Qf3 Qf7 (34...Kh7 35.Bd3 (worse 35.Qh5 Qh6 36.Qf7 Kh8 37.Qd5 Rd8+-) 35...Rf8 36.Bc4+-) 35.Rg5 (35.e6 Qe8 36.Qd5 Rc5 37.Qc5 Qe6+-) 35...Rg8 (35...Ne7 36.e6 Qe8 37.Rh5 Kg7+-) 36.e6 Qe8 37.Qd5 (better 37.Rg8 Nf6 38.Re8 Re8 39.Qb7 Re6+-) 37...Rd8 (37...Rg5 38.hg5 Kh7+-) 38.Qf5 Rg5 (38...Rg6 39.Rag3 Kh7 40.Rg6 Rd5 41.Rg7 Kh8 42.Qh7) 1–0. Lange,Corinna (2075) – Zschischang,Marine (2055), GER–chT Federal Cup (Women), 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 f5)

    10.0-0 h5 11.c4 Nh6 (11...dc4 12.Bc4 g5 13.Bb5=+) 12.Nc3 dc4 13.Bc4 Nf7 14.Bb2 0-0 15.Ne2 Bg5 16.d5 ed5 17.Bd5 Kh7? (better 17...Be7+=) 18.Qb3+- (18.Ng5?! Ng5 19.Nf4 Qe8+=) 18...Nh8? (18...Nce5 19.Ng5 Qg5+-) 19.Rfd1 (19.Ng5?! Qg5 20.Nd4 Nd4 21.Bd4 a6+-) 19...Bd7 (19...Be7 20.Bc6 Qc7 21.Bd5+-) 20.e6 Be8 (20...Bf6 21.ed7 Na5 22.Bf6 Nb3 23.Bd8 Na1 24.Be7+-) 21.Bc6 Qe7 (21...Bc6 22.Rd8 Bd8 23.Ned4+-) 22.Ba3 (22.Be8 Bf6 23.Bh5 Bb2 24.Qb2 Rad8+-) 22...Qf6 (22...Bc6 23.Be7 Be7 24.Nfd4+-) 23.Bb7 Rb8 24.Bf8 Bc6 25.e7 Ng6 (25...Rb7 26.Qb7! Bb7 27.e8Q Bf3 28.Ra7+-) 26.Bc6 Rb3 27.e8Q Rd3 28.Ng5 Kh6 29.Nf3 (better 29.Nf7 Kh7+-) 29...Nf8 30.Nf4 Rc3 1–0. Fastberg,Juuso – Maentysalo,Jyri, Vantaa We EtVaS, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 f5)

    10.Na3 Nh6 (10...a6=) 11.g3 (better 11.Bh6!? gh6 12.0-0=) 11...Nf7-/+ 12.h4 0-0 13.0-0 a6 14.Kg2 Bd7 15.Bd2 b5 16.Qe2 Na5 17.Rfb1 Qc7 18.Bf5 (18.h5!?-/+) 18...Ba3-+ 19.Ra3 Nc4 20.Rab3 ef5 21.e6 Rae8?? (21...Nfd6 22.ed7 Qd7 23.Bf4-+) 22.ef7? (better 22.e7=) 22...Rf7-+ 23.Qd3 h6 (23...Qc6 24.Bf4-+) 24.Bf4 Qc8 25.Rf1 Rf6 26.Rbb1 Rc6 27.Rbc1 a5 28.Ne5 Rf6 29.h5 a4 30.Ng6 Qa6 31.Rfe1 Rfe6 32.Be5 Qc6 33.Kh2 a3 (33...Bc8 34.Ra1-+) 34.f4 (34.Ra1 Qb7-/+ (worse 34...Ne5 35.Ne5 Qd6 36.Ra2=+)) 34...Nd6 (34...Ra8 35.Ra1-+) 35.g4 (better 35.Bd6!? Re1 36.Re1 Re1 37.Qd2-+) 35...Qc4-+ (35...fg4?! 36.f5 Rg6 37.fg6-/+) 36.Qc2 (36.Qc4 bc4 37.Ra1 fg4 38.Ra3-/+) 36...Ne4?? (better 36...fg4 37.Ra1 b4-+) 37.gf5-/+ Rc6 (37...Ra6 38.Qg2 Ra7=) 38.f6? (38.Qg2 Qb3 39.Rg1 Rc3 40.Rc3 Qc3 41.Nf8=) 38...Nf6 (38...gf6!? 39.Qg2 Kf7 40.Rg1-+) 39.Bf6 Rf6 (39...gf6 40.Ne7 Kh8 41.Qg2+-) 40.Ne5 Qc8 41.Kg3 Be6 (41...Qc7 42.Qb3 Qd6 43.Ra1-/+) 42.Qb3 Qa6 (42...Bf7 43.Nf7 Rf7 44.Qa3-/+) 43.Ra1 Ra8 44.Ra2 Bf7 (44...Bc8 45.Kf3-/+) 45.Rea1 (better 45.Nf7!? Rf7 46.Qd5=) 45...Qe6 (45...Bh5?? 46.Ra3 Qa3 47.Ra3 (worse 47.Qa3 Ra3 48.Ra3 Rf5=+) 47...Ra3 48.Qa3+-) 46.Ra3 (46.Qb5 Qf5 47.Qf1 Qh5 48.Ra3 Ra3 49.Ra3 g5-/+) 46...Ra3 47.Ra3 Qf5 (47...Bh5 48.Qb5 Qf5 49.Qd5 Kh7 50.Qg2 Qf4 51.Kh3-/+) 48.Ra8 (48.Kg2 Qe4 49.Kg1 Rf4-+ (49...Bh5?! 50.Ra8 Kh7 51.Ra2-+)) 48...Kh7 49.Kg2 (49.Qb5 Qf4 50.Kg2 Qd2 51.Kh1 Qe1 52.Kg2 Rf2 53.Kh3 Qe3 54.Kh4 Qf4 55.Kh3 Rh2) 49...Qe4 (49...Qh5?! 50.Qb5 Bg6 51.Kg3-/+) 50.Kg1 Bh5 (50...Rf4 51.Ra2 Rh4 52.Nf3 Qf3 53.Qc2 Kh8 54.Qg2-+) 51.Ra2 Qe1 52.Kg2?? (52.Kh2 Bg6 53.Ng6 Rg6 54.Rg2 Qh4 55.Kg1-+) 52...Bg6 (52...Rf4?! 53.Qc2 Re4 54.Qf2-+) 53.Qb5 (53.Kh2 Be4 54.Nf3 Bf3 55.Qc2 Be4 56.Ra8 Qh1 57.Kg3 Rg6 58.Kf2 Rg2 59.Ke3 Qh3) 53...Be4 54.Kh3 (54.Kh2 Qh4 55.Kg1 Qg3 56.Kf1 Rf4 57.Nf3 Rf3 58.Ke2 Re3 59.Kd1 Qe1) 54...Rf4 55.Ng6 (55.Ng4 Rf3 56.Kh2 Qg3 57.Kh1 Rf2) 55…Qh1 (55...Qh1 56.Kg3 Rf3 57.Kg4 Qh3; 55...Rf3 56.Kh2 Qg3 57.Kh1 Rf2) 0–1. Linusson,L (2025) – Suslin,A (2130), Czech Open B2, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 f5)

    10.g4 fg4 11.Ng1 h5 12.h3 Nh6 13.Bg6 (13.hg4 h4=+) 13...Kd7-/+ 14.Bh5 g3! 15.fg3 Nf5 16.Bg4 Ng3 17.Qf3? (better 17.Rh2!?-/+) 17...Kc7 (better 17...Nh1 18.Ke2 Qb6 19.Qd5 Ke8 20.Qh1 Nd4 21.cd4 Qd4-+) 18.Ba3?? (18.Ne2 Nh1 19.Qh1-+) 18...Nh1 19.Qh1 (19.Ke2 Ba3 20.Na3 Qh4 21.Nb5 Kb8-+) 19...Ba3 20.Na3 Qh4 21.Kd2 Qg4! 22.Nb5 (22.hg4 Rh1 Pinning (22...Rh1 Deflection; 22...Rh1 Clearance)) 22...Kb8 23.Ne2 (23.hg4 Rh1 24.Re1 a5-+) 23...Rh3 24.Qf1 Qg5 25.Kc2 (25.Qf4 Qg6 26.Nc1 Qh5-+) 25...Qe3 26.Nd6 (26.Rd1 Rh1! 27.Qh1 Qe2 28.Rd2 Qb5-+) 26…Rf3 (26...Rf3 27.Qe1 Rf2 28.Qf2 Qf2-+) 0-1. Devallee,J (2220) - Terry,R (2500), European Online CC GpI, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3)

    10.h4 Qc7 11.Na3 (11.Rh3!?=+) 11...Nd4!-/+ 12.Qa4 (12.cd4 Qc3 Double attack; 12.Nd4 Qc3 Double attack (12...Qc3 Decoy)) 12...Nc6 13.Nb5 Qb8 (13...Qd7 14.Ba3-/+) 14.Ba3=+ Ba3 15.Ra3 (15.Qa3 Nge7 (15...Ne5 16.Nd6 Qd6 17.Qd6 Nd3 18.Ke2+-) 16.Nd6 Kf8=+) 15...Bd7 (15...Nh6 16.Nd6 Ke7 17.Qf4-/+) 16.Qf4 (16.Nd6 Ke7 17.Qf4 Nh6-/+) 16...Nge7 17.Nd6 Kf8 18.h5 Nc8 19.h6 g6 20.Nb5 N8e7 (20...Ke8 21.0-0=+) 21.0-0 Nd8 (21...a6 22.Rfa1=+) 22.Nd6= Nf7 23.Rb1 b6 24.Ba6 (24.c4 Qc7=) 24...g5=+ 25.Ng5 (25.Qh2 Rg8 26.Nf7 Kf7-/+) 25...Ng6-/+ 26.Qb4 Nd6 (26...Ng5!? 27.Bb7 a5-/+ (27...Ne5 28.Ba8 Ngf3 29.gf3+-)) 27.ed6 e5 28.c4 d4 29.c5 Qd8 30.Rg3 f4 31.Nh7? (better 31.Qc4!? Qf6 32.Qd5=) 31...Rh7-/+ 32.Rg6 Bf5 33.c6 Bg6 34.c7 Qd7 35.c8Q Rc8 (35...Qc8 36.Bc8 a5 37.Qa3+-) 36.Bc8 a5 37.Qa3 (37.Qb6 Qc8 38.d7 Rd7 39.Qf6 Kg8 40.Qg6 Kh8 41.Qf6 Kh7 42.Qf5 Kh8 43.Qe5 Kh7 44.Rb8 (44.Qf4?! Qc6+=) 44...Qb8 45.Qb8+-) 37...Bb1 (better 37...Qd8 38.d7 Kf7 39.Qb3 Ke7+=) 38.Bd7+- Rd7 39.Qc1 (better 39.Qb3 Rd6 40.Qb1 Rh6 41.Qf5 Kg7 42.Qe5 Rf6 43.Qd4+-) 39...Bf5 (39...Bg6 40.Qc6 Be8 41.Qb6 d3 42.Qa5 d2 43.Qd2 Rh7+-) 40.Qc8 Kf7 41.h7! Bh7 (41...Bh7 42.Qh8 Double attack (42.Qd7 Deflection; 42.Qh8 Decoy)) 42.Qd7 (42.Qd7 Kg6 43.Qe6 Kh5 44.d7 b5 45.Qe5 Kh6 46.d8Q Bd3 47.Qdf6 Kh7 48.Qg7) 1–0. Corbin,P (2260) – Warner,D (2255), Heroes Day Masters, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.h4 Bd7 11.g4 Nh6 12.Bh6= gh6 13.gf5 ef5 14.Qb3 Bc8 15.Rg1 Rf8 16.Nbd2 Rf7 17.Ke2 (17.Rg8 Rf8 18.Rg7 Rf7 19.Rf7 Kf7+=) 17...Bf8= 18.Bb5 Be6 19.Nf1 (19.Kd1 Rc7=) 19...a6 20.Bd3 Rc8 (20...b5 21.Qa2 Raa7 22.Kd1=) 21.Ng3+= The isolani on f5 becomes a target 21...Rcc7 22.Nh5 Bg7 23.Rg2 Kf8 (23...Rce7!?+=) 24.Rag1+- (24.Rg7?! Rg7 25.Ng7 Rg7 26.Qa3 Ke8+=) 24...Kg8? (24...Qc8 25.Qa3 (25.Rg7?! Rg7 26.Ng7 Rg7=) 25...Kg8 26.Qd6+- (26.Rg7?! Rg7 27.Rg7 Rg7=; 26.Ng7?! Rg7 27.Qd6 Rg2 28.Rg2 Rg7 29.Rg7 Kg7=)) 25.Qb1 (25.Ng7 Rg7 26.Rg7 Rg7 27.Rg7 Kg7 28.Qb7 Ne7 29.Qa6 Ng6+-) 25...Qf8? (better 25...Qc8+-) 26.Nf6?? (better 26.Ng7!? Rg7 27.Rg7 Rg7 28.Qb7 Ne7+-) 26...Rf6 (better 26...Kh8=) 27.ef6+- Qf6 28.Kd2 (28.Qb6 Re7+-) 28...Kh8 29.Qb6 Qd8 30.Re1 Bc8?? (30...Rf7 31.Qd8 Nd8 32.Rgg1+-) 31.Qb1 (better 31.Qc7! Bd7 32.Qd8 Nd8 33.Re7+-) 31...Rf7+= 32.Re2 Qd6 33.Re8 Rf8 34.Rf8 Bf8 35.Qe1 Be6 36.Qe3 Bg7 37.Rg1 Qd7 (37...f4 38.Qe2+=) 38.Re1 Bf7 39.Qf4 Be6 40.Qe3 Bf7 41.Qf4 Be6 42.Ng1 Kg8 (42...b5 43.Nf3+-) 43.Ne2+- Ne7 (43...Kf7 44.Qg3 Kf8 45.Kd1+-) 44.Ng3 (44.Qb8 Qc8 45.Qg3 Bf7+-) 44...Ng6 45.Qb8 Kf7 (45...Bf8 46.Rb1 b5 47.Ra1+-) 46.Rb1 b5 47.Ra1 Qc8 48.Qc8 (48.Qa7 Ne7+-) 48...Bc8 49.Bf5 Bb7 50.h5 Nf8 51.Ke3 Kf6 52.Kf4 (52.f4 Kf7+-) 52...Ne6 53.Be6 Ke6 54.Nf5 Bf8 (54...Bf6 55.Nh6 Bc8 56.Rg1+-) 55.f3 (55.Re1 Kd7 56.Rg1 Kc6+-) 55...b4 (55...Kf6 56.Rg1 Bc8+-) 56.Re1 Kd7 57.cb4 Bb4 58.Rb1 (58.Rg1!? Ke6 59.Rg7 Bc6+-) 58...a5 59.Ke5 Bc6 (59...Ba6 60.Rg1 (60.Kd5?! Bd3 61.Rg1 Bf5=+; 60.Nh6?! Be2+-) 60...Kc6 61.Rg7+-) 60.Nh6 (60.Rg1 a4+-) 60...Bd2? (60...Bb5+-) 61.Ng4 h6 62.Nf6 (62.Nf6 Kc7 63.Nd5 Bd5 64.Kd5+-) 1–0. Kieffer,C (2160) – Vaillant,S (2025), 22nd GP Open A, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.h4 g6 11.g4 (11.Ba3 Bd7=) 11...h5 (11...fg4 12.Ng5 Nh6 13.Nh7=) 12.gf5= ef5 13.Rg1 Kf7 (13...Bh4 14.Rg6 Be7 15.e6+=) 14.Bg5 Nh6 15.Nbd2 Kg7 16.Nb3 Nf7 17.Be7 Qe7 18.Nc1 Qc7 19.Ne2 Ne7 20.Qd2 (20.Qb3 a5+=) 20...a5= 21.Nf4 Attacks the backward pawn on g6 21...Rh6 22.Ke2 (22.Bb5 Rh8+=) 22...a4= 23.Qc2 Qc6 24.Rgb1 Ra5 25.c4 dc4 26.Qc4 (worse 26.Bc4 Qe4 27.Qe4 fe4=+) 26...Qc4 27.Bc4 Rh8 28.Rb6 (28.Rb4 a3 29.Rb3 b5 30.Bf7 Kf7 31.Rba3 Ra3 32.Ng5 Kg7 33.Ra3 Nc6+-) 28...Nc6 29.Bf7 Kf7 30.d5 Ne7 31.d6 (31.e6 Kg7 32.d6 Nd5 33.Nd5 Rd5+-) 31...Nc6+- 32.Ng5 Ke8 (32...Kg7 33.e6 Re8 34.Rd1+-) 33.e6 (worse 33.Ng6 Rh6 34.Ne7 Re5 35.Kf1 Ne7 36.d7 Bd7 37.Rh6 Bb5 38.Kg2 Nd5=+) 33...Nd4 (33...Rg8!?+-) 34.Kf1 Ne6 (34...Rb5 35.Rb5 Nb5 36.Rd1 Nd6 37.Rd6+-) 35.Nge6 (35.Nfe6 Be6 36.Re1 Kd7 37.Re6 Kc8+-) 35...Be6 36.Ne6 Kd7 37.Nf4 (better 37.Ra4 Rd5 38.Nd4+-) 37...Rc8?? (37...Ra7 38.Ng6 Rg8 39.Ne5 Ke6 40.Re1+-) 38.Rd1 (better 38.Re1 Re8 39.Rb7 Kd6 40.Re8+-) 38...Ra7 (38...a3 39.Rb7 Kc6 40.Rg7+-) 39.Ng6 a3 (39...Rg8 40.Ne5 Ke6+-) 40.Ne5 (40.Ne5 Kd8 41.d7+-) 1–0. Van Vuure,Joris – Van Rijn,Wouter, NLD–chT9596, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.h4 Nh6 11.Ng5 0-0-/+ 12.Na3 a6 13.Nb5 Na5 14.Nd6 Bd6 15.ed6 Nc4 16.Bc4 dc4 17.Bf4 Bd7 18.Kf1 Ng4 19.Qe2 Exerts pressure on the backward pawn 19...Re8 20.Re1 (20.Qc4?? Bb5 21.Qb5 ab5-+) 20...Bc6 21.Rh3 Bd5 22.Rg3 b5 23.Rg4 (23.h5!? Qd7 24.Kg1-/+) 23...fg4-+ 24.Qc2 g6 25.h5 (25.Qe2 h6 26.Ne4 Qh4 27.Qg4 Qg4 28.Nf6 Kg7 29.Ng4 h5-+) 25...Qf6 26.g3 Qf5 27.Qc1 (27.Qf5 ef5 28.Re5 Re5 29.de5 gh5-+) 27...h6 28.Nf7 (28.Re5 Qd3 29.Ke1 gh5 30.f3-+) 28...Kf7 29.hg6 Kg8 (29...Qg6 30.Re3-+) 30.Re3 (30.Re5 Qd3 31.Ke1 Rad8-+) 30...Ra7 (30...Qg6 31.Ke1-+) 31.Ke2 (31.Re5 Qg6 32.Bh6 Kf7-+) 31...a5 (31...Qg6!? 32.Ke1-+) 32.Bh6 b4 33.Qa1 (33.Ke1 Qg6 34.Re5 Kf7-+) 33...Bf3 (33...Qg6!? 34.Qa4 b3 35.d7-+) 34.Kd2 b3 35.Bf4 (35.Qc1-+) 35...Qc2 36.Ke1 b2 (36...b2 37.Kf1 ba1R 38.Re1 Re1 39.Ke1 Qe2) 0–1. Helin,Mikael – Raaste,Eero J (2340), Heart of Finland op, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 f5)

    10.h4 Nh6 11.Bh6 gh6 12.Qc1 Bf8 13.Nbd2 Bg7 (13...Rg8 14.Rh2=) 14.Nf1 (14.c4 Rg8=) 14...0-0 (14...Rg8 15.Ng3=) 15.Ng3 (15.Qf4 Qc7 16.N1d2 Bd7=) 15...Qe8 16.h5 Bd7 17.Ne2 b6 (17...Qc8 18.Rg1=) 18.Nf4 (18.Qf4 Kh8=) 18...Na5 (18...a5 19.Qb2=) 19.Rb1 (19.Qc2 Kh8+=) 19...Rc8 20.Rg1 Kh8 (20...Rc7 21.g4 fg4 22.Rg4=) 21.g4 (21.Qb2 Rg8=) 21...fg4 22.Rg4 Rf4 (better 22...Qd8=) 23.Qf4+- Rc3 (better 23...Qf8 24.Qf8 Rf8+-) 24.Rg7! Kg7 (24...Kg7 25.Qf6 Deflection) 25.Qf6 Kg8 26.Ke2 Qf7 27.Rg1 Kf8 28.Qh8 (28.Qh6?! Ke8 29.Rg7 Qf8+-) 28...Ke7 29.Rg7 (29.Rg7 Qg7 30.Qg7 Kd8 31.Qh6+-) 1–0. Hrabinska,Myroslava (2280) – Shmirina,Evgenija (2160), Dresden GER, Infineon Young Masters, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.h4 Nh6 11.Bh6 gh6 12.Qd2 Bf8 13.Qf4 Rg8 14.Kf1 Qb6 15.Ra2 Bd7 16.Nbd2 Rc8 17.Rg1 Rg4 18.Qe3 Na5 19.Be2 a6 20.g3 Bb5 21.Nh2 Rg6 22.Rc2 Nc4 23.Nc4 Bc4 (23...dc4?! 24.Bh5=; worse 23...Rc4 24.Bc4 Bc4 25.Ke1 Qb1 26.Qc1 Qc1 27.Rc1+=) 24.g4 (24.Ke1 Be2 25.Ke2 Rc4=+) 24...Qb1 (better 24...Ba3!? 25.Kg2 Qb3-+) 25.Rc1-/+ Qe4 26.Qe4 fe4 27.Bc4 Rc4 (27...dc4?! 28.Ke2=) 28.Ke2 Be7 29.h5 Rg7 30.f4 ef3 31.Nf3 (31.Kf3 Bg5 Combination; 31.Nf3 a5 Passed pawn) 31...Bd8 32.Nd2 Rc6 33.Rc2 b5 34.Kd3 Rf7 35.Rf1 Rg7 36.Rg1 Bg5 37.Nb3 Rf7 38.Rg3 Bh4 39.Rh3 Be7 40.Na5 Rc7 41.Nb3 Rf4 42.Ra2 Rc6 43.Na5 Rb6 Black intends b4 44.Rg3 Bh4 45.Rgg2 Rf3 46.Kc2 Be1 47.Ra3 b4 48.Rb3? (48.Ra2-+) 48...Bc3 (48...Rc3?! 49.Kd1 Bh4 50.Ra2-+) 49.g5 hg5 50.Rg5 Kf7 51.h6 Kf8 52.Rg4 Rf2 53.Kd3 Bd2 (better 53...Rd2 54.Ke3 Ra2-+) 54.Rb2-/+ Be1?? (better 54...b3 55.Nb3 Rh2-+) 55.Rf2+- Bf2 56.Rf4 Ke7 57.Rf2 Rb5 58.Nb3 a5 (58...Rb8 59.Rc2 Kf7 60.Rg2+-) 59.Ra2 Kf7 60.Ra5 Rb6 61.Nc5 b3 62.Ra7 Kg6 63.Rb7 Rc6 (63...Rb7 64.Nb7 Kh6 65.Nc5+-) 64.Nb3 (worse 64.Rb3 Kh6 65.Rb7 Kg6+-) 64...Kh6 65.Nc5 Kg6 66.Re7 Kf5 67.Rh7 Rb6 68.Rf7 Kg5 69.Rf6 Rb1 70.Ne6 Kg4 71.Nf4 Rd1 72.Ke3 Re1 73.Ne2 Kg5 1–0. Valera,Jesus – Milchev,Nikolay (2210), Burgas op, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 f5)

    10.h4 Nh6 11.Bh6 gh6 12.Ng1 Bf8 13.Qh5 Ke7 14.g4 Qe8 15.Qe8 Ke8 16.gf5 ef5 17.Ne2 Be6 18.Ng3 Exerts pressure on the isolated pawn 18...Ne7 19.Na3 Bd7 20.Nh5 Kf7 21.Nf6 Bc6 22.Rg1 (22.Nc4!?+-) 22...Bg7 23.Nh5 Rhg8 24.e6 Kf8 25.Kd2 Rd8 (25...a5 26.Nb5+=) 26.Rg3 (26.Nc2!? Be8 27.Ng7 Rg7 28.Rgb1+-) 26...Bh8 27.Rf3 Rg6 (27...Rg4 28.Rh1+=) 28.Nf4 (better 28.Re1!? Rg4 29.Bf5 Rh4 30.Bd3 Ke8 31.Nb5+-) 28...Rg4+= 29.Nc2 Rh4 30.Ra7 Bf6 31.Ke2 Bg5 32.Ng2 Re4 33.Be4 de4 34.Rh3 Ng6 (34...f4!? 35.Ke1 Bd5=) 35.Nb4 Rd6 36.Nc6 bc6 37.Rf7 Kg8 38.Rf5 Re6 39.Rh1 Ne7 40.Rc5 Kf7 41.Ne3 White plans d5 41...Ng6 42.Rf5 Ke7 43.d5 Rd6? (better 43...cd5 44.Nd5 Kd7 45.Rf7 Kd6+-) 44.Rg5!+- hg5 45.Nf5 (45.Nf5 Kf6 46.Nd6 cd5 47.Rh7+-) 1–0. Trzaska,Peter (2225) – Neuer,Thomas, Ruhrgebiet VK3–chT, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 f5)

    9.Bd3 Nh6

    10.0-0 fe5 11.de5 (11.Bh6 gh6 12.Ne5 Ne5 13.de5 0-0=) 11...0-0 (11...Nf7 12.Re1=+) 12.Qc2 (12.Bh6 gh6 13.Nbd2 Qc7=) 12...Rf3 13.gf3 Ne5 14.Bh7 Kh8 15.Bh6 (15.Kg2 Bd6=+) 15...Nf3-/+ 16.Kh1 (better 16.Kg2!? Nh4 17.Kh1 gh6 18.f4-/+) 16...gh6-+ 17.Nd2? (17.Kg2 Qf8 18.Qd3 Nh4 19.Kh1 e5-+) 17...Qf8 (better 17...Nd2 18.Rg1 Ne4 19.Rg8 Qg8 20.Bg8 Kg8-+) 18.Rg1 Bg5 (18...Ng1 19.Rg1 Bd7 20.Rg8 Qg8 21.Bg8 Rg8 22.Nf3-/+) 19.h4 (19.Nf3 Qf3 20.Rg2 e5-/+) 19...Nd2 (19...Nh4!? 20.f4 Qf4 21.Raf1-+) 20.hg5 Qf3 (20...Qf2 21.Rg2 Qf3 22.Qd2+=) 21.Rg2 e5 22.g6?? (better 22.Kg1 Qf4 23.Rg3 Nf3 24.Kf1 Ng5 25.Bd3-+) 22...Bf5 23.Qd2 (23.Ra7 Qh3 24.Kg1 Nf3 25.Kf1 Bc2 26.Ra8 Kg7 27.Rg8 Kf6 28.Rf8 Ke7 29.Rf7 Ke6 30.Re7 Ke7 31.Ke2 Nd4 32.Kf1 Bd3 33.Ke1 Nf3 34.Kd1 Qh1 35.Rg1 Qg1) 23…Be4 (23...Be4 24.g7 Kh7 25.Qh6 Kh6 26.Ra6 ba6 27.g8Q Rg8 28.Kg1 Qg2) 0–1. Franck,B (2100) – Justo,D (2310), 32nd Cappelle Open, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.0-0 Nf7=+ 11.Qe2 0-0 (11...fe5 12.de5 0-0 13.c4=+) 12.Ba3 f5 (12...fe5!? 13.de5 a6=+) 13.Be7= Qe7 14.Na3 (14.Nbd2 Ng5=) 14...Rd8 15.Qd2 Bd7 (15...b6 16.Rfb1=) 16.Nc2 Be8 17.Rfe1 g5 18.g3 (18.Reb1 g4 19.Nfe1 a5=) 18...h6 (18...g4 19.Nh4=+) 19.Ne3 Nh8 (19...g4 20.Nh4=+) 20.Rab1 (20.Qb2 Bh5 21.Nd2 f4=+) 20...Bh5=+ 21.Qe2 Ng6 22.Rb2 Rab8 (22...f4 23.Bg6 Bg6 24.Ng4 fg3 25.Nf6 Kg7 26.fg3=+) 23.Qd1 (23.Ra1 Rbc8=) 23...Qc7 (23...Qa3 24.Rb3 Bf3 25.Ra3 Bd1 26.Rd1-/+) 24.g4 (24.h3 f4 25.Ng4 Bg4 26.hg4 Nce7=+) 24...fg4-/+ 25.Bg6 Bg6 26.Ng4 Kg7 27.Nf6 Na5 28.Qc1 (28.Qa1 Rdc8-/+) 28...Rdc8 29.Rbe2? (better 29.Ra2-/+) 29...Qc3-+ 30.Qc3 Rc3 31.Kg2 (31.Re3 Rc4-+) 31...Nb3 (31...Nc4 32.Ra1 a5 33.Rea2-+) 32.Rd1 (32.Re3 Rbc8-+) 32...Rbc8 33.Ra2 a5 34.Ra3 (34.h3 b5-+) 34...b5 35.Nd2 (35.h4 Be4 36.Ne4 de4-+) 35...Bc2 (worse 35...Nd4 36.Ra5 Bf5 37.Ra7 Kg6 38.h4 gh4 39.Ra6 h3 40.Kh1-+) 36.Rb3 Bb3 (worse 36...Bd1 37.Rb5 Rd3 38.Nf1 Bf3 39.Kg3 Be2 40.Kg2-+; worse 36...Rb3 37.Nb3 Bd1 38.Na5-+) 37.Nb3 Rb3 0–1. Hammond,R – Assad,K (2125), Glorney and Faber Cup, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.0-0 Nf7=+ 11.ef6 gf6 12.Qb3 Qd7=+.

    10.0-0 Nf7 11.ef6 gf6 12.c4=+.

    10.Ba3 fe5-/+ 11.Be7 Qe7 (11...Ne7?! 12.Ne5 0-0 13.Qc2=) 12.de5 0-0 13.Na3 Bd7 14.Nb5 Kh8 15.Qc2 (15.Qe2 Qc5 16.0-0 Nf7-/+) 15...g5 (15...Rf3 16.gf3 Ne5-/+) 16.h4? (better 16.Nbd4=+) 16...g4-+ 17.Ng5 Ne5 18.Na7 (18.0-0 Ng8 19.Rfe1 Nd3 20.Qd3 Bb5 21.Qb5 Rf6-/+) 18...Nd3 (18...Qc5!? 19.Bb5 Rf5 20.Bd7 Nd7 21.0-0-+) 19.Qd3 Nf5 20.f3?! (20.Qe2 Qc5 21.0-0-+) 20...g3 21.Kd2 (21.Ne4 Kg8-+) 21...Qc5 22.Rhe1 Ra7 23.Ne6 Qf2 24.Re2 Ra1 25.Rf2 gf2 26.Nf8 Ra2 (better 26...Ba4 27.Qf5 f1N 28.Kd3 Rd1 29.Ke2 Ng3 30.Kf2 Nf5-+) 27.Kd1 (27.Kc1 Ba4 28.g4 Ra1 29.Kb2 f1Q 30.Qf1 Rf1 31.gf5 Rf3-+) 27...f1Q! 28.Qf1 Ra1 (28...Ra1 29.Kd2 Rf1 30.Nd7 Rf2 31.Kd3 Nh4-+) 0–1. Jung,Bernhard (1880) – Tereick,Benjamin (2355), Staufer op, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6)

    10.ef6 Bf6 11.Qc2 Nf7 12.Bh7 e5 13.de5 Nce5 14.Ne5 Be5 15.Be3 Bd7 16.Bg6 (worse 16.Ra7 Ra7 17.Ba7 Qg5-/+) 16...Qe7 (16...Bh2? 17.Bf4+-) 17.Ra5 (17.Kd1 A) 17...Bh2? 18.Bf4+- (18.Ra7?! Ra7 19.Ba7 Qg5+=; 18.Ba7?! Rh6+=); B) 17...Rh2?! 18.Rh2 Bh2 19.Ra7 (19.Ba7? Bb8-+) 19...Ra7 20.Ba7=; C) 17...a5=) 17...Bc6 (17...b6 18.Rd5 Bc6 19.Qb3=) 18.Qf5 (worse 18.Ra7 Ra7 19.Ba7 Rh2-+) 18...Qf6 (18...Bh2? 19.Ra7!! Ra7 20.Qc8 Qd8 21.Rh2 Rh2 22.Bf7 Kf7 23.Qd8 Rh1 24.Ke2+-) 19.Qf6 gf6 20.f4 (20.Ba7 Rg8 (20...Rh2 21.Rh2 Bh2 22.g3+-) 21.Bd3 d4 22.cd4 Bd4 23.Bd4 Ra5-/+; 20.Ra7?! Ra7 21.Ba7 Rg8= (worse 21...Rh2 22.Rh2 Bh2 23.g3+-)) 20...Bc7 21.Ra2 (21.Ra7 Ra7 22.Ba7 Rh6=) 21...Kf8 22.0-0 (22.h4 a5+=) 22...Kg7 23.Bf7 (23.Bd3 a5=+) 23...Kf7-/+ 24.Nd2 Rhe8 (24...a5 25.Nf3-/+) 25.Kf2 (25.Ra7 Ra7 26.Ba7 b6=+) 25...Re3 (25...a5 26.h4=+) 26.Ke3= Bb6 27.Kd3 Bb5 (27...Rg8 28.g3 Bb5 29.c4 dc4 30.Kc3+= (30.Nc4? Rd8 31.Kc3 Rc8-+)) 28.Kc2 (28.c4!? dc4 29.Kc3+= (29.Nc4? Rd8 30.Kc3 Rc8-+)) 28...Bf1= 29.Nf1 Re8 30.Kd2 Re4 31.g3 Ke6 (31...f5 32.h3=) 32.Rc2 (32.h4 f5=) 32...Kd6 33.h4 f5 34.h5 (34.Rb2 Re7=+) 34...Re8 (better 34...Re6 35.Kd1 Ba5-/+) 35.Kd3?? (35.Kd1 Ba5=) 35...Rh8?? (better 35...Re1 36.Nh2 Re3 37.Kd2 Rg3-+) 36.Rh2= a5 37.h6 Rh7 (37...a4 38.h7=) 38.Nd2+= Bd8 (38...a4 39.Nf3 Kc6 40.Ng5+-) 39.Nf3 (39.c4 dc4 40.Nc4 Ke6+-) 39...Ke6 (better 39...Bf6=) 40.Nd4 Kf6 41.Rh5 Kg6 42.Rf5 Rd7 43.g4 Kh6 44.Rh5 Kg6 45.f5 Kg7 46.g5 a4 47.Ne6 Kg8 48.Nc5 Rf7 (better 48...Rc7 49.Na4 Rc4+-) 49.g6 Rc7 50.Ne6 (50.Na4?! Bf6 51.Rh7 Rh7 52.gh7 Kh7+-) 50...Rd7 51.g7 Rg7 52.Nd8 a3 (52...Rd7 53.Ne6+-) 53.Rh2 b5 (53...Rd7 54.Ne6+-) 54.Nc6 (54.f6!? Ra7 55.Rg2 Kf8 56.Ne6 Kf7 57.Rg7 Ke6 58.Ra7 Kf6 59.Ra3 Ke5+-) 54...Rg3 55.Kd4 Rf3 56.Ra2 Kf8 (56...Kg7 57.Nb4 Rf4 58.Ke5+-) 57.Ra3 Rf5 58.Ne5 (58.Nb4!? Rf1+-) 58...Ke7 59.Kd5 Rf1 (59...Rh5 60.Ra7 Ke8 61.Rb7+-) 60.Ra7 Kd8 61.Nc6 (better 61.Kc6 Rb1+-) 61...Kc8 (61...Ke8+-) 62.Kc5 Rc1 (62...Rf6+-) 63.Kb6 (63.Kb6 Rc3 64.Rc7) 1–0. Shchukin,D (2405) – Ermolaev,A (2370), Independence Cup, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Nh6)

    10.ef6 Bf6 11.Bh6 gh6 12.Ne5 0-0 13.Qg4 Bg7 14.f4 Ne5 15.fe5 (15.de5 Kh8=) 15...Qg5=+ 16.Qg5 hg5 17.Nd2 Bd7 18.Ke2 a6 19.h4 (19.Rhb1 b5=+) 19...g4 20.h5 Bh6 21.Rh4 g3 (21...Kh8!? 22.Rg4 Rg8 23.Rg8 Rg8-/+) 22.Rg4= Kh8 23.Rg3 Be8 24.Nf3 b5 (24...Bh5? 25.Rh3 Bf3 26.gf3+-) 25.Rh3 a5 26.g4 Rg8 27.Rg1 White plans g5 27...a4 28.g5 a3 29.g6 (29.gh6?? Rg1 30.Ng1 a2-+) 29...a2 30.Ra1 Bc1? (better 30...Rf8=) 31.Rc1+/- a1Q 32.Ra1 Ra1 33.Ng5 (33.gh7?! Rg4+=) 33...Ra2 34.Ke3 h6 35.Nh7 Rg7 (35...Ra3 36.Rh2+/-) 36.Rf3 Re7 37.Nf6 (37.Rf6 Kg8+/-) 37...Bc6 38.Rf1 Ra3 39.Ng4 Kg7 40.Rc1 Rea7 41.Nf2 Rb3 42.Nh3 Bd7 43.Nf4 Raa3 44.Ne2 Bc8 (44...b4!? 45.Rf1 bc3 46.Rf7 Kg8=) 45.Rf1+/- b4 (45...Ra7!?+/-) 46.Rf7+- Kg8 47.Rc7 (47.Re7 Ra8+/-) 47...Ba6+/- 48.Ba6 (better 48.Rc6!? Rc3 49.Nc3+/-) 48...Ra6+= 49.Rc8 Kg7 50.Rc7 Kg8 51.Rc8 Kg7 52.Rb8 Raa3 53.Rb7 Kg8 54.Rb8 Kg7 55.Rb7 Kg8 56.Rb8 Kg7 ½-½. Greet,A (2415) - Ryan,Jo (2270), 4NCL Online S2 Div1, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3)

    10.ef6 Bf6 11.Bh6 gh6 12.Ne5 0-0 13.Ng4 Bg7 14.0-0 (14.Qc2 Qg5 15.Ne3 e5 16.de5 Qe5=+) 14...Qg5 (14...e5 15.de5 Ne5 16.Ne5 Be5 17.Kh1-/+) 15.Ne3=+ e5 16.Nd5 (16.de5 d4 (worse 16...Qe5 17.Nd5 Be6 18.Ne3=) 17.cd4 Nd4=+) 16...ed4 17.c4 (17.Qb3 Be6 18.c4 Rf7=+) 17...Bh3 (17...Bg4 18.f3 Bf5 19.f4 Bd3 A) 20.fg5? Rf1 (worse 20...Bf1 21.Nd2 Bd3 22.Qb3+-) 21.Qf1 Bf1 22.Kf1 hg5-+; B) 20.Qd3=+) 18.Be4 Rae8 (18...Bf5!? 19.Nd2 Bg4=) 19.f4= Qh4 20.Qd3 Re4 (20...Bg4 21.Nd2=) 21.Qe4+= Bf5 22.Qe1 (22.Qf3 d3 23.Ra3 Re8 24.Rd3 Nd4+=) 22...Qd8 (22...Qe1 23.Re1 Kf7 24.Nd2+=) 23.Ra3 (23.Nd2 d3 24.Rb1 b6+=) 23...d3 (23...Qd6 24.Rb3 b5 25.Rb5+=) 24.Nbc3 (24.Kh1 Qd6+=) 24...Re8 25.Qd1 (25.Qd2 b6+=) 25...Qh4 (25...Qd6 26.Nb5 Qc5 27.Kh1+=) 26.Nb5 (26.Kh1 Bd4+=) 26...Nd4 (26...Re2 27.Rd3 Bd3 28.Qd3+-) 27.Nd4 (27.Rd3 Bd3 28.Qd3 Nb5 29.cb5 Kh8+-) 27...Bd4+= 28.Kh1 Re2 29.Rd3 Bd3 30.Qd3 Qe1 31.Qf3 Re8 32.h3 (32.f5 Qe2+=) 32...Qe2 33.Qe2 Re2 34.Rd1 Bf2 (34...Re4 35.g4+=) 35.Kh2 (35.g4 Rc2+=) 35...Kf7 36.Nc3 (36.f5 Rc2+=) 36...Rc2 (36...Re3 37.Nb5=) 37.Ne4+= Be3 (37...Ke7 38.f5 Bb6 39.f6 Kf8 40.c5 Bc5 41.Rd8 Kf7 42.Rc8+=) 38.Kg3+- Kg6? (better 38...Ke7 39.Kf3 Bb6+-) 39.Kf3+- Bb6 (39...Bc1 40.Rd6 Kf7 41.Rd7 Kg8 42.Rb7 Rc4 43.Ra7+-) 40.Rd7 Rc1 (40...Rc4 41.g4 Re4 42.Ke4 h5+-) 41.g4 (41.g4 Rf1 42.Kg3 Rg1 43.Kh2+-; 41.Rb7?! Rf1 42.Ke2 Rf4+-) 1–0. Hechl,Gerald (2215) – Petschar,Hans (2105), AUT, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.Bd3 Nh6)

    10.Bh6 gh6 11.0-0 0-0 12.Qb3 (12.ef6!? Bd6 13.Ne5 Qf6 14.f4=) 12...fe5+= 13.Ne5 Ne5 14.de5 Qc7 15.f4 Bd7 16.Qd1 Rf7 17.Qh5 Rg7 18.Kh1 (18.Qh6? Qb6 19.Rf2 Qe3-+) 18...Qb6 19.Ra2 (19.Qh6? Qb2 20.Nd2 Qd2-+) 19...Rf8 20.Raf2 (20.Qh6 Bc5=) 20...Bc5+= 21.Rf3 Qb2 22.Rg3 Rg3 23.hg3 Bb5 24.Qf3 Bd3 25.Qd3 a6 26.Nd2 Qb6 27.f5 ef5 (27...Qc7 28.Nb3+=) 28.Rf5 (better is 28.Qd5!? Kg7 29.Rb1=) 28...Qe6-/+ 29.Rf8 Bf8 30.Nf3 b5 31.Qe3 Bg7 32.Qa7 Qc8 33.Qe7 Bf8 34.Qf6 Bg7 35.Qd6 Qc3?? 36.Qd5+- Kf8 37.Qd6?? Ke8= 38.e6? Qc8-/+ 39.Nh4 Bf8 40.Qd5 Be7 41.Nf5 b4 42.Qe5 Bf8?? 43.e7+- (43.e7 Qf5 44.ef8Q Kf8 45.Qf5 Ke7 46.Qe4 Kd7 47.Qb4+-) 1–0. Khouri,Ahmed Abbas (2060) – Spence,David J (2220), X Calvia ESP, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    10.Bh6 gh6 11.ef6 Bf6 12.Ne5? (12.Qe2 Qc7=) 12...0-0 (12...Be5 13.de5 Qg5 14.0-0-/+) 13.Qh5? (better 13.f4!?=) 13...Ne5-/+ 14.de5 Bg7 15.0-0 Qg5 16.Qe2 Be5 17.Ra4 Rf4 18.Rf4 Bf4 19.c4 Bd7 20.Qc2 Qg7 21.Re1 a5 22.Qb3 Bc6 23.g3 a4 24.Qa2 Be5 25.Qe2 a3 26.Qa2 Qf6 27.Bf1 (27.Nd2 Bc3 28.Rd1 dc4 29.Bc4 Rf8-+) 27...Bb2 (27...dc4 28.Bc4 Qf3 29.Kf1-+) 28.Bh3 (28.Bg2 Qd4 29.Bh3 Kh8-+) 28...Rf8 29.f4 (29.Rf1-+) 29...Qd4 30.Kf1 Qd3 31.Re2 Rf4! 32.gf4 Qh3 33.Ke1 Qh4 34.Kf1 (34.Rf2 Bd4 35.Na3 dc4 36.Qd2 Qf2 37.Qf2 Bf2 38.Kf2-+) 34...Qf4 35.Ke1 (35.Rf2 Qc4 36.Qc4 dc4 37.Na3 Ba3 38.Ra2-+) 35...Qc1 36.Kf2 Bd4 37.Kg3 (37.Re3 Qe3 38.Kg2 dc4 39.Kf1 Qg1 40.Ke2 Qf2 41.Kd1 Bf3 42.Qe2 Qe2 43.Kc1 Qd1) 37...Qg5 38.Kh3 (38.Kf3 dc4 39.Re4 Qe3 40.Kg2 Qe4 41.Kf1 Qh1 42.Ke2 Bf3 43.Kd2 Qd1) 38…e5 (38...e5 39.Re5 Bd7 40.Rf5 Bf5) 0–1. Strater,Heinz (1940) – Goerke,Joachim (2105), Niederrhein–ch, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 f6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6)

    9.ef6 Nf6

    10.Bd3 Qc7 11.0-0 Bd7 12.Bg5 0-0 13.Nbd2 a6 14.Re1 Bd6 15.Qc2 h6 16.Bh4 e5 (16...b5 17.Bg3-/+) 17.de5 (better 17.Qb3!? g5 18.Bg3 ed4 19.Nd4 Bg3 20.hg3=+) 17...Ne5-/+ 18.Ne5 Be5 19.Bg3 Bg3 20.hg3 Rac8 21.Rac1 b5 22.Qb3 Kh8 23.Nf3 Rfe8 24.Nh4 (better 24.Re8!? Re8 25.Nd4-/+) 24...Re1-+ 25.Re1 Qc3 26.Qd1 Re8 27.Re8 (27.Ng6 Kg8 28.Ne7 Kf8 29.Ng6 Kf7 30.Re8 Be8-+ (30...Ke8?! 31.Qe2 Kd8 32.Qe7 Kc8 33.Bf1-+)) 27...Be8 28.Qe2 Qc7 (28...g5 29.Nf3 Bh5 30.Qe7 Bf3 31.gf3-+) 29.Bf5 g5 (29...a5 30.Qe1-+) 30.Qb2 (30.Nf3 a5-+) 30...Qg7 (worse 30...gh4 31.Qf6 Qg7 32.Qh4 Qa1 33.Kh2-/+) 31.Nf3 Bd7 32.Bb1 Ne4 33.Ne5 Be6 34.Be4 de4 35.Qd4 Kg8 (35...Bf5 36.g4 Bh7 37.Qd6-+) 36.Qe4 Bc8 (better 36...Qf6-+) 37.Qd5= Kh7 38.Qe4 Kg8 39.Qd5 Kh8 40.Qd8 Qg8 (better 40...Kh7 41.Qd3 Kg8 42.Qd5=) 41.Qf6?? (better 41.Ng6! Kg7 42.Qg8 Kg8 43.Ne7 Kf7 44.Nc8+=) 41...Kh7-/+ 42.Qe7 Qg7 43.Qd6 Bf5 44.f4 gf4 (44...Qb7 45.g4 Bb1 46.f5+-) 45.gf4=+ Be4 (45...a5 46.Qb6=+) 46.g4= a5 47.Kf1 b4 48.f5 (better 48.Nd7 Qf7 49.Nf6 Kh8 50.Ne4 Qc4 51.Kf2 Qe4 52.Qf8 Kh7 53.Qf7 Kh8 54.Qf8 Kh7 55.Qf7 Kh8 56.Qf8=) 48...Kg8?? (48...b3 49.f6 Qb7-/+) 49.Qe6 Kh7 50.f6 Qf8 (50...Bd3 51.Ke1 Qf8 52.Nd7+-) 51.Qd7 (better 51.Nd7 Bd3 52.Kf2+-) 51...Kg8 52.Qe6 Kh7 53.Qe7 (53.Nd7 Bd3 54.Kf2+-) 53...Kg8 54.Qe6?? (54.g5 Bd3 55.Nd3 hg5+-) 54...Kh8?? (54...Kh7 55.Nd7 Bd3 56.Ke1+-) 55.Qe7 (55.Nf7 Kg8 56.Nh6 Kh8 57.Nf7 Kg8 58.Ng5 Kh8+-) 55...Kg8 56.Qe6?? (better 56.g5 hg5 57.f7 Kg7 58.Qg5 Kh7 59.Qh4 Kg7 60.Qg4 Kf6 61.Qe4+-) 56...Kh7 57.Qe7 (57.Nd7 Qg8 58.f7 Bd3 59.Kf2 Qg5 60.f8Q Qf4 61.Qf4 Bg6 62.Nf6 Kg7 63.Qg8) 57...Kg8 58.Qe6?? (58.g5 hg5 59.f7 Kg7 60.Qg5 Kh7 61.Qh4 Kg7 62.Qg4 Kf6 63.Qe4 Qe7+-) 58...Kh8?? (58...Kh7 59.Nd7 Bd3 60.Kf2+-) 59.Qe7?? (better 59.Nf7 Kg8 60.Nh6 Kh8 61.Nf7 (61.Qe4?! Qh6 62.Qe8 Kh7+=) 61...Kg8 62.Ng5 (62.Qe4?! Qf7 63.g5 b3=) 62...Kh8 63.Ne4+- (63.Qe4?! Qf6 64.Nf3 a4+-)) 59...Kg8= 60.Qe6 (60.Qe6 Kh7=) 1–0. Modotti,Pierino – Agostino,Jose Luis, Grand Prix I, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.ef6 Nf6)

    10.Bd3 Bd7 11.Qe2 0-0 12.0-0 Bd6 (12...Qc7 13.Nbd2-/+) 13.Ba3 Qc7 14.Bd6 Qd6 15.Ne5 a6 (15...a5 16.Nd2+=) 16.Re1 Rfe8 (16...g6 17.g3+=) 17.Nd2= Na7 (17...Qc7 18.Ndf3=) 18.Qe3 (18.c4 Nc6 19.c5 Qc7+=) 18...Rac8 19.Qh3 (19.c4 Qe7+=) 19...Re7 (19...Nb5 20.Re3 Nc3 21.Rg3=) 20.Re3 (20.c4!?+/-) 20...Nb5 (20...Bb5 21.Bc2+=) 21.Rae1 (21.f4 Rc3 22.Bh7 Nh7 23.Rc3 Nc3 24.Qc3 Re8=) 21...Nc3 22.Bh7 Nh7 23.Rc3 Rc3 24.Qc3 Re8 25.Ndf3 Rc8 26.Qd3 Be8 27.h4 (27.h3 a5+=) 27...a5+= 28.Ng5 Nf8 (28...Ng5 29.hg5 Qf8 30.g6+=) 29.g4 (29.Rb1!? Qa6 30.Qa3=) 29...b5+= 30.h5 (30.Kg2 b4-/+) 30...Qb4 31.Nef3 Rc3 32.Qe2 Qc4 33.Qe5 Qc7 34.Qe2?? b4 35.Ne6-/+ Qe7 36.Nfg5 Bd7-+ 37.Qe5?! Ne6 38.Qf5 Qg5 (38...Qg5 39.Qg5 Ng5-+) 0–1. Zahn,Richard (2080) – Bock,Juergen (2260), Nettetal op, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    10.Bd3 0-0

    11.0-0 Qc7 12.Re1 Ng4 13.h3 (better 13.Ba3=+) 13...Rf3?? (better 13...Nf2 14.Kf2 Bh4 15.Kg1 Rf3 16.Qf3 Be1 17.Bh7 Kh7 18.Qh5 Kg8 19.Qe8 Kh7 20.Qh5 Kg8 21.Qe8 Kh7 22.Qh5=) 14.Qf3+- Qh2 (better 14...Nf6!?+-) 15.Kf1 e5 (15...Nf2 16.Qf2 (16.Kf2?! Bh4 17.Ke2 Be1 18.Ke1 Qg1 19.Kd2 Bd7+-) 16...e5 17.Ba3 Ba3 18.Ra3+-) 16.Qd5 (16.hg4?! e4 17.Be4 de4 18.Qe4 Qh1 19.Ke2 Qh4+-) 16...Kh8 17.Qf3 (17.Qf7 Bd7 18.hg4 Qh1 19.Ke2 Bg4 20.f3 Qg2 21.Kd1 Bf3 22.Be2 Bd5-+) 17...ed4 (17...Nf6+-) 18.Bf4 (better 18.hg4!? Qh1 19.Ke2 Qh4+-) 18...dc3 19.hg4?? (better 19.Ra4 g5 20.Bg3+- (20.hg4?! gf4 21.Rf4 Qh1 22.Ke2 Qh6+-)) 19...Qh1= 20.Ke2 Nd4 21.Kd1 Qh4? (21...Qe1 22.Ke1 Nf3 23.gf3+-) 22.Qg3?? (better 22.Qe4 Bg4 23.f3 c2 24.Bc2 Nc2 25.Qc2 (25.Kc2?! Bf5 26.Qf5 Qe1+=) 25...Bf3 26.gf3 Qf4 27.Qd3+- (worse 27.Re7 Qd4 28.Ke2 Qa1+=)) 22...Qf6?? (better 22...Bg4 23.f3 Rd8 24.Nc3 Bf5 25.Qh4 Bh4+-) 23.Be5+- (worse 23.Nc3 Nb3 24.Be5 Qg5+-) 23...Qb6 24.Bd4 (better 24.Bg7 Kg8 25.Re7 c2 26.Bc2 Nc2+-) 24...Qd4 25.Re7 (better 25.Kc2 Qd8+-) 25...Bg4? (25...c2 26.Kc2 Qc5 27.Nc3 Qe7+-) 26.Kc2 Rd8 (26...Qb4 27.Nc3 Qe7 28.Qg4+-) 27.Re4 (better 27.Qe3 Qe3 28.fe3 Bd7+-) 27...Bd1 28.Kc1 Qb6 29.Nc3 Bh5 30.Bc4 (30.Qe3 Qc6 31.Kd2 a6+-) 30...Qh6 (30...Bg6 31.Re6 Qd4 32.Rg6+-) 31.Qe3 Qf6 (31...Qg6 32.Ra5 b5 33.Rb5+-) 32.Ra7 Bg6 33.Re6 (33.Rf4 Qd6+-) 33...Qh4 34.Rg6! Qc4 (34...hg6 35.Qb6 Double attack (35.Qb6 Decoy)) 35.Re6 (35.Rg7 Qd3 36.Qd3 Rd3 37.Rc7 Rd8 38.Nd5 Rf8 39.Nf6 Rf7 40.Rf7 b5 41.Rh7) 35...Qc8 (35...Rg8 36.Rb7 Qc8 37.Rg7 Rg7 38.Re8 Qe8 39.Qe8 Rg8 40.Qe5 Rg7 41.Nd5+-) 36.Rb7 (36.Rb7 Rg8 37.Rg7 Rg7 38.Re8 Qe8 39.Qe8 Rg8 40.Qe5 Rg7 41.Nd5+-) 1–0. Vekemans,Denis (2020) – Louis Sidois,C (1810), 25th Touraine Open, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    11.0-0 Bd6 12.Re1 Bd7 13.Ne5 (13.Ba3 Ba3 14.Na3 a6=+) 13...Qc7 14.f4 (14.Nd7 Qd7 (worse 14...Bh2 15.Kh1 Nd7 16.Qh5+-) 15.f4 Rae8=+) 14...a6 (14...Be8 15.Ba3=+) 15.Qf3 Rac8 (15...Be5 16.de5 Ne4 17.Be4 de4 18.Qe4-/+) 16.Qh3 Nd8 (better 16...h6=+) 17.Nd2?? (17.Ba3 h6=) 17...Bb5?? (better 17...Qc3 18.Bh7 Nh7 19.Qc3 Rc3 20.Nd7 Rf4-+) 18.c4 (18.Bb5 ab5 19.Bb2 Nd7=+) 18...dc4=+ 19.Bc2 (19.Ndc4 Be5 (19...Bc4?! 20.Bc4 Qe7 21.Ba2=) 20.Ne5 Bd3 21.Qd3 Qc2=+) 19...Bc6 (19...g6 20.Ndf3-/+) 20.Nc6 (better 20.Ndc4 b5 21.Nd6 Qd6 22.Bb2=) 20...Qc6-/+ 21.Ne4 h6 22.Ng5 (22.f5 Bb4 23.Nf6 Rf6-+ (23...gf6 24.Bh6 Kf7 25.Bf8 Kf8 26.fe6+-)) 22...Qd5 23.Nf3 Qh5 24.Qg3 Qg4 25.Qf2? (25.Qg4 Ng4 26.g3 Rc7-+) 25...Nd5 (25...Bf4 26.Ba3 Rf7 27.Bb1-+) 26.g3? (better 26.h3 Qh5 27.Ne5 Be5 28.Re5-+) 26...Bf4 27.Re4 Bg3 1–0. Macicek,Jan (2145) – Rosecky,Jan, Havlickuv Brod op–B, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    11.0-0 Bd7 12.Re1 Qc7 13.Nbd2 Bd6 14.Ba3 Ba3 15.Ra3 Qd6 16.Ra2 Rac8 (16...b6 17.Qe2=+) 17.Rb2 (17.Ne5 a6=) 17...Qc7 (17...b6 18.Qe2=+) 18.Re3 (18.Qb1 Nd8=) 18...Ng4 (18...b6!?=+) 19.Bh7= Kh8 20.Ne5?? (better 20.Re1=) 20...Nce5-+ (20...Kh7 21.Ng4 Kg8 22.Nf3+-; 20...Nge5 21.Rh3 Nf7 22.Bb1 Nh6 23.Qc2-+) 21.de5?? (better 21.Bb1 Kg8 22.Rg3 Rf2 23.de5-+) 21...Ne3 (21...Kh7?! 22.Qg4 Kg8 23.Nf3=) 22.Qh5 Ng4! (22...Qc3?? 23.Bg6 Kg8 24.Qh7) 23.Bd3 (23.Qg4 Kh7 Deflection) 23...Nh6 24.Qg6 Kg8 (24...Nf5 25.Rb3 Qe5 26.Nf3-+) 25.Qh7 Kf7 26.Bg6 Ke7 27.Qg7 Nf7 28.Qf6 Ke8 29.Rb4?? (better 29.Bf7 Rf7 30.Qh8 Rf8 31.Qh5 Ke7 32.Qh4 Kf7 33.Qh7 Ke8 34.Qh5 Kd8 35.Qg5 Ke8 36.Qh5=) 29...Bc6 (29...Qc5 30.Rb7 a6 31.Nf3-/+) 30.Qe6 Kd8 31.Rf4 Qe7 32.Qf5? (32.Bf7 Qe6 33.Be6 Rf4 34.Bc8 Kc8 35.g3-+) 32...Bd7 33.Qh5 Be6 (better 33...Rc3!? 34.Rf7 Rf7 35.Bf7 Rc1 36.Nf1-+) 34.Qf3 Kd7 35.Qe2 (35.Qe3 Qa3 36.Rf3 Qc1 37.Nf1 Qe3 38.Re3 a5-+) 35...a6 (35...Rc3!? 36.Bf7 Rf7 37.Rf7 Bf7 38.Nf1-+) 36.c4 (36.Qe3 Qa3 37.Bf7 Rf7 (37...Bf7?! 38.Rf7 Rf7 39.e6 Kd6 40.Qb6 Rc6 41.ef7 Qc1 42.Nf1 Rb6 43.f8Q Kc7 44.Qe7 Kb8 45.Qf8 Ka7 46.Qc5=+) 38.Rf7 Bf7 39.Qh3 Be6 40.Qh7 Qe7-+) 36...Qg5 37.Rf6 (37.Rf7 Rf7 38.Bf7 Bf7 39.Qf3-+) 37...Ne5 (37...dc4?! 38.Bf7 Rf7 39.Qd1-/+) 38.Rf8 Rf8 (38...Qg6?! 39.Rc8 Kc8 40.Qe5 dc4 41.Qc5 Kd7 42.Qb6=) 39.cd5 (39.h4 Bg4 40.Qe1 Qf4-+) 39…Bd5 (39...Bd5 40.Be4 Be4 41.Qe4 Qd2 42.Qb7 Ke8 43.Qb8 Kf7 44.Qb3 Kf6 45.Qb6 Kf5 46.Qb1 Nd3-+) 0–1. Marth,Juergen (2120) – Mueller,Thorsten (2175), Hessen–ch op, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.ef6 Nf6 10.Bd3 0-0)

    11.0-0 Bd7 12.Qe2 Qc7 13.Re1 Bd6 14.Ba3 Rae8 (14...a5 15.Bd6 Qd6 16.Na3=) 15.Bd6= Qd6 16.Ne5 a6 17.Nd2 Qc7 18.f4 g6 19.Reb1 (19.Ra3 Ne5 20.fe5 Nh5=) 19...Ne5 (better 19...Nh5!? 20.g3 Ne5 21.de5 Qc3-/+) 20.fe5= (worse 20.de5 Nh5 21.g3 Qc3-/+) 20...Nh5 21.Qe3 Rc8 22.c4 Nf4 23.Bf1 (23.c5!?=) 23...dc4-/+ 24.Bc4 Bc6 (24...b5 25.Bf1 Nd5 26.Qh6-/+) 25.Bf1 (25.Rf1 g5=+) 25...Bd5 (25...Qf7 26.Ne4 Be4 27.Qe4-/+) 26.Ne4 (26.g3!? Nh5 27.Ne4=) 26...Be4-/+ 27.Qe4 Nd5 28.Qg4 Qd7 29.g3 Ne3 30.Qe4 Nf1 31.Rf1 Rf1 32.Rf1 Rf8 33.Rb1 b5 34.Ra1 Qc7 35.Kg2 (35.Ra6?? Qc1 36.Qe1 Qe1 37.Kg2 Qf1) 35...Qc4 36.Kh3 (36.Kg1 a5-+) 36...b4-+ 37.Ra5 (37.Qe3 Rf1 38.Qg5 b3-+ (38...Ra1?! 39.Qd8 Kf7 40.Qd7 Kf8 41.Qd8 Kg7 42.Qf6 Kg8 43.Qd8 Kf7 44.Qd7 Kf8 45.Qd8 Kf7=)) 37...b3 (better 37...Qf1 38.Qg2 Qf5 39.g4 Qd3 40.Kh4 Rf3 41.Qf3 Qf3-+) 38.Qb7?? (38.Ra1-+) 38...Qf1 39.Kh4 Qf2 (39...Qf5 40.g4 g5 41.Kh3 Qf1 42.Kg3 Qf2 43.Kh3 Rf3 44.Qf3 Qf3) 40.Kh3-+ b2 (40...b2 41.Ra3 h5-+) 0–1. Sosnowska,Elzbieta (2130) – Lissowska,Anna (2195), Poland–ch (Women), 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6 9.ef6 Nf6)

    11.0-0 Ne4 12.Re1 Nd6 13.Na3 a5 14.Bd2 a4 15.Qe2 Bf6 16.Nb5 Nb5 17.Bb5 a3 18.h3 Bd7 19.Reb1 Qc7 20.Bd3 e5 21.de5 Ne5 22.Ne5 Be5 23.Qh5 g6 24.Qh6 (24.Qe2 Rae8 25.Qd1 Qc5-+) 24...Bh2 (24...Qc5 25.Be1 Bc3 26.Ra2-+) 25.Kh1 Bf4 (25...Bf5 26.Bf5 Rf5 27.Qe3-+) 26.Bf4-/+ Qf4 27.Qf4 Rf4 28.f3 (better is 28.Rb7!? Be6 29.Ra2-/+) 28...Bc6 29.Rb3 a2 30.Rb2 Rfa4 31.Bc2 Ra3 32.Rb3 (32.Bb3 R8a6-+) 32...Rb3 (32...R8a5 33.Rb2-+) 33.Bb3 Ra3 34.Ba2 Kg7 35.Kg1 Bb5?? (35...Kf6 36.Kf2-+) 36.Kf2? (36.Rb1!? Bc4 37.Bc4 dc4 38.Rb7 Kh6 39.f4=) 36...Bc4 (36...Kf6!?-+) 37.Bc4-/+ Ra1 (37...dc4?? 38.Ra3 h5 39.Ra7+-) 38.Bd5 Rc1 39.c4 Rc2 40.Ke3 Rg2 41.Bb7 Rh2 (41...Rb2 42.Bc8+=) 42.Bc8 Rc2 43.Kd4 Kf6 44.c5 Kg5 (44...g5 45.Kd5+=) 45.Kd5= Kf4 0–1. Bradley,Alan – Getz,Alec S (2220), Dos Hermanas Internet qual–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Be7 6.d4 d5 7.e5 Nc6 8.Nf3 f6)

    11.0-0 Qe8 12.Qc2 Qh5 13.Bf4 (13.Re1 Ne8=+) 13...Ne4 (13...Nd7 14.Bg3 Nb6=+) 14.Bg3 (14.Bc7!?=+) 14...Ng3-/+ 15.hg3 Rf6 16.g4 (16.Be2-+) 16...Qg4 17.Nh2 (17.Nbd2 Rh6 18.Rfe1 Qh5-+) 17...Qh4 18.Nd2 Bd6 19.g3 Qh5 20.f4 (20.Qb3 b6-+) 20...Qh3 21.Rf3 Rh6 (21...Bd7!? 22.Qb2 b6 23.Nhf1-+) 22.Ndf1 Rf6 23.Qf2?? (23.Nd2 Bd7 24.Qb2-+) 23...Qh5 (23...Rf8!? 24.Ne3-+) 24.Ne3 Rf8 25.g4 (25.Nhg4 e5 26.fe5 Bg4 27.Ng4 Qg4-+) 25...Qf7 26.Rf1 (26.Qh4 h6 27.Raf1 Ne7-+) 26...Bd7 (26...a5 27.Qh4 g6 28.g5-+) 27.Qh4 g6 28.g5 Qg7 29.Nhg4 Be7 30.Rh3 Rae8 (30...a5!?-/+) 31.Kg2 h5 (31...Rc8!?-/+) 32.gh6= Bh4?? (better 32...Qh7 33.Qg3 Rc8=) 33.hg7+- Kg7 34.Rh4 Rh8 35.Rfh1 (35.Rh8 Rh8 36.Kf3 Rh5+-) 35...Rh4 36.Rh4 Rf8 37.Ne5 Ne5 38.fe5 Rc8 39.c4 (39.Ng4 Rc3 40.Nf6 Rd3 41.Rh7 Kf8 42.Nd7 Ke8 43.Nf6 Kd8 44.Rb7 a5+-) 39...dc4 40.Nc4 (worse 40.Bc4 b5 41.Be2 Bc6 42.Kg3 a5+-) 40...b5 (better 40...Bc6!? 41.Kf2 Rf8 42.Ke3 Rf3 43.Ke2 Rg3+-) 41.Nd6 Rb8 (41...Rc3 42.Bb5 Rc2 43.Kf3 Bb5 44.Nb5+-) 42.Rg4 b4 43.Rg6 Kf8 44.Rf6 Ke7 45.Rf7 Kd8 46.Ne4 (46.Be4 b3 47.Nb7 Rb7 48.Bb7 a5+-) 46...a5 (46...Rb7 47.Ba6 Rb6 48.Nc5 Bc6 49.Kg3+-) 47.Nc5 Bc6 (47...Bc8 48.Bc4 Ra8+-) 48.Be4 (better 48.Kf2 Rb6 49.Ne6 Kc8 50.Rf8 Kb7 51.Bc4+-) 48...Be4 49.Ne4 a4? (49...b3 50.Nc5 Ke8 51.Rf1+-) 50.Rf8 (better 50.Nc5!? Ke8 51.Rh7 Rb6 52.Na4 Rb5+-) 50...Kc7 51.Rb8 Kb8 52.Nc5 a3 53.Na6 (53.Ne6?? b3 54.Nc5 b2-+) 53...Kb7 (53...Ka7 54.Nb4 Kb6 55.Kf3+-) 54.Nb4 Kb6 55.Kf3 Kb5 56.Nc2 a2 57.d5 ed5 58.Ke3 Kc5 59.Kd3 d4 60.Nd4 Kd5 61.Nb3 Ke5 ½–½. Schulz,Hans_Juergen (2070) – Limbach,Torsten (2075), Hamburg GER, IHEM, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 f6)

    8.d4 h5

    9.Ba3 a6 10.Bd3 Nh6 11.0-0 0-0 12.Kh1 Ba3 13.Na3 Bd7 14.Ng1 g6 15.Qd2 Kg7 16.f4 Ne7 17.Nf3 Nef5 18.Rfb1 b5 19.Nc2 Qc7 20.Ra3 Rfc8 21.Qe2 Bc6 22.Kg1 Bb7 23.Qd2 Ne7 24.Ne3 Nhf5 25.Nf1 Nc6 26.Rba1 Qb6 27.Bf5 ef5 28.Ne3 Nd8 29.Qa2 Ne6 30.g3 Qc6 31.Qe2 Nf8 32.Nh4 Qe6 33.Nef5 gf5 34.Qh5 Nh7 35.Nf5 Kg8?? (better 35...Kh8 36.Nd6 Rc7+-) 36.Qg4+- Kf8 37.Qg7 Ke8 38.Nd6 Kd7 39.f5 Qe7 40.Nb7 (worse 40.Nc8 Rc8 41.Qh7 Rc6+-) 40...b4 (40...Rc7 41.Ra6 Ra6 42.Ra6 Rb7 43.e6 Kc8 44.Qh8 Nf8 45.f6+-) 41.cb4 Ng5 42.Nc5 Rc5 43.bc5 Nh3 (43...Kc7 44.Ra6 Ra6 45.Ra6+-) 44.Kf1 (44.Kf1 Kc8 45.Ra6 Ra6 46.Ra6+-) 1–0. Kluger,C (2080) – Papantoniou,J (2020), Australian Open, 2011. (=1.e4 c5 2.a3 Nc6 3.Nf3 e6 4.b4 cb4 5.d4 d5 6.e5 h5 7.ab4 Bb4 8.c3 Be7)

    9.Bd3= a6 10.0-0 Bd7 11.g3 (11.Ba3 h4=) 11...Nh6 (11...h4 12.g4-/+) 12.h4 (12.Ba3 Ba3 13.Ra3 f6+=) 12...g6 (12...Ng4 13.Ne1-/+) 13.Ng5 (13.Ba3 0-0+=) 13...Kf8 (13...Nf5 14.Bf4+=) 14.Qf3 Kg7 15.Qf4 Nf5 16.Ba3 b5 17.Be7 Qe7 18.Nd2 b4 19.Bf5 gf5 20.c4 (20.cb4 Nb4 21.Nb3 Bb5+=) 20...a5 21.cd5 ed5 22.Nb3 a4 23.Nc5 a3 24.Rfe1 Be6 25.Nge6 (25.Rec1!? Rhc8 26.Ra2+=) 25...fe6-/+ 26.Qg5? (better is 26.Ra2!?-/+) 26...Qg5-+ 27.Ne6 (27.hg5?? Nd4 28.Red1 Nf3 29.Kg2 Ng5-+ (worse is 29...Ne5 30.Ne6 Kf7 31.Nc7-+)) 27...Kf7 28.Ng5 Ke7 29.Reb1 (29.Nf3 b3 30.Reb1 Rhb8-+) 29...Rhb8 30.Rc1 Ra6 (30...Nd4 31.Rc7 Kd8 32.Rh7-+) 31.Rc5 b3 32.Ra3 Ra3 33.Rc6 b2 34.Rc7 Ke8 (34...Ke8 35.Kg2 b1Q-+) 0–1. Perrenoud,Markus – Kaenel,H (2395), Ambassador Open Bern SUI, 1998. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 h5)

    9.h3 h4 10.Bd3 Nh6 11.Nbd2 g6 12.Nf1 Kf8 13.g3 hg3 14.fg3 Nf5 15.Ra2 Na5 16.h4 Qc7 17.h5 Qc3?? (better 17...Rh5 18.Rh5 gh5=+) 18.Bd2+- Qd3 19.Bh6 Rh6 20.Qd3 Nc4 21.g4 Ng7 22.Ng3 g5 23.0-0 Bd7 24.Raf2 Bb5 25.Ng5 (better 25.Nd2 Kg8 26.Rf7+-) 25...Nd6?? (better 25...Bg5 26.Rf7 Kg8 27.Rb7 Ba6+=) 26.ed6 (26.Qe3 Bf1 27.ed6 Bd6 28.Nf7 Bg3 29.Qg3+-) 26...Bd3 27.Rf7 (better 27.de7 Kg8 28.Nf7 Bf1 29.Nh6 Kh7 30.Rf8 (worse 30.Kf1 Kh6 31.Rf6 Kh7+-; 30.Rf1?! Kh6 31.Rf6 Kh7+-; 30.Nf1?! Kh6 31.Nd2 Ne8+-) 30...Kh6 31.Ra8+- (31.Rf1?! a5+-; 31.Nf1?! Re8+-)) 27...Kg8+= 28.Rg7 Kg7 29.Rf7 Kg8 30.Re7 The backward pawn on e6 becomes a target 30...Rd8?? (better 30...Bb5+-) 31.Nf7+- (31.Rb7?! A) 31...Rd6? 32.Nf7 (32.Ra7?! Rf6+=) 32...e5 33.de5+-; B) 31...Rf6 32.h6 a5+-) 31...Rd6 32.Nd6 Rf6 33.g5 Rf4 34.Re6 Rd4 35.Re8 Kh7 36.Re7 Kg8 37.g6 Rg4 38.Kf2 Bg6 (38...a5 39.Kf3 Rg6 40.hg6 Bg6 41.Rb7+-) 39.hg6 Rg6 40.Ngf5 b5 41.Ra7 Rf6 42.Ke3 b4 43.Rb7 b3 44.Rb3 Kh7 45.Rb7 Kg6 (45...Kg8+-) 46.Rg7 Kh5 47.Kf4 Rf5 48.Nf5 (48.Nf5 d4 49.Rg5) 1–0. Christensen,Bo (2285) – Tozaki,Halil (2030), Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 h5)

    9.h3 Nh6 10.g4 (10.Bd3 Nf5=) 10...h4 (10...f6 11.ef6 gf6 12.c4-/+) 11.Bd3=+ g5 (11...Kf8 12.Ba3=+) 12.Na3 (12.0-0 f5 13.ef6 Bf6=) 12...f5 13.Rg1 (13.ef6 Bf6 14.0-0 Nf7=+) 13...f4 (13...fg4 14.hg4 Nf7 15.Rh1-/+) 14.Nb5=+ 0-0 15.Nh4? (better 15.Bc2!? Rf7 16.Ba3=+) 15...gh4-/+ 16.g5 Nf5 (16...Bg5?? 17.Qh5 Rf5 18.Bf4+-) 17.Qh5 Rf7 18.g6 Rg7 19.Bf5 (19.Bf4 Qf8 20.Bf5 Qf5 21.Qf5 ef5+=) 19...ef5=+ 20.Bf4 Qf8 (20...Bf8!? 21.Bh6 Qb6 22.Bg7 Bg7+=) 21.Nc7 Rb8 (21...Bb4 22.Nd5 Bc3 23.Kf1 Bd4 24.Nf6 Qf6 25.ef6 Bf6+-) 22.Nd5 Be6 23.Nc7?? (23.Ne7 Ne7 24.Bh6+- (24.Ra7 Ra8 25.Ra8 Qa8=+)) 23...Qc8?? (better 23...Nd4 24.Ne6 Ne6=) 24.Bh6+- (24.Ne6?! Nd4 25.cd4 Qe6+-) 24...Bf8 25.Bg7 Bg7 26.Ne6 Qe6 27.Rg5 (27.Qh4 b5 28.Rg5 b4+-) 27...Ne7 (27...Qc4 28.Rf5 Qc3 29.Kf1 Qh3 30.Kg1 Qf5 31.Qf5 Nd4 32.Qf7 Kh8 33.Ra7+-) 28.Qh4 (28.Ra7 Qb6 29.Qd1 Bh6+-) 28...a6 29.Qh7 Kf8 30.h4 Qb3 (30...Qc6 31.Rc1 Qh1 32.Kd2 Qf3+-) 31.Rg3 Rc8 32.h5 Rc3 33.h6 Rg3 34.hg7 (34.Qg7 Ke8 35.Qf7 Kd7 36.fg3 Qe3 37.Kf1 Qf3 38.Ke1 Qe3 39.Kf1 Qf3 40.Kg1 Qg3 41.Kf1 Qf3 42.Ke1 Qc3 43.Ke2 Qb2 44.Kd3 Qa1=; 34.fg3 Qg3 35.Kd1 Qd3 36.Kc1 Qe3 37.Kc2 Qh6 38.Qh6 Bh6-/+) 34...Ke8 35.g8Q! (35.fg3?! Qe3 36.Kf1 Qf3 37.Kg1 Qg3 38.Kh1 Qf3 39.Kh2 Qf2 40.Kh3 Qf3 41.Kh2 Qf2 42.Kh1 Qf3 43.Kg1 Qg3 44.Kf1 Qf3 45.Ke1 Qe3 46.Kf1 Qf3 47.Ke1 Qe3 48.Kf1 Qf3=) 35...Ng8 (35...Qg8 36.fg3 Zwischenzug; 35...Ng8 36.fg3 Zwischenzug) 36.Qf7! (36.fg3?! Qe3 37.Kf1 Qf3 38.Kg1 Qg3 39.Kh1 Qf3 40.Kh2 Qf2 41.Kh3 Qf3 42.Kh2 Qf2 43.Kh3 Qf3 44.Kh2=) 36...Qf7 (36...Kd8 37.Qf8 Kc7 38.Qd6 Kc8 39.fg3 Qe3 40.Kf1 Qf3 41.Ke1 Qe3 42.Kd1 Qd3 43.Kc1 Qc3 44.Kb1 Qb3 45.Kc1 Qc3 46.Kb1 Qb3 47.Kc1 Qc3=) 37.gf7+- Kf7 38.fg3 Ke6 (38...Ne7 39.Kd2+-) 39.Rb1 (39.Rb1 b5 40.Kd2+-) 1–0. Tasdelen,D (2055) – Oknayan,Razmig, World Youth U18, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    9.Bd3 Nh6

    10.0-0 a6 11.Ba3 Rb8 12.Ne1 (12.Be7 Qe7 13.Nbd2 h4=) 12...Nf5 13.Bf5 ef5 14.Nd3 g6 (14...Be6 15.Be7 Qe7 16.Qf3=) 15.Be7 Qe7 16.Nc5 0-0 17.f4 (17.Qb3 Be6=) 17...b6= 18.Nd3 (worse 18.Na6 Ra8 19.Qd3 Nb8 20.Nb8 Ra1-/+) 18...a5 19.Rf2 (19.Qf3 Ba6=) 19...Ba6=+ 20.Rb2 Rfc8 21.Qd2 Qc7 22.Kf2 (22.Qe3 Nd8=+) 22...Kg7 23.h3 Nd8 24.Ke3 (24.Kg1 Ne6=+) 24...Ne6-/+ 25.Rba2 Qc4 26.Ne1 h4 27.Nf3 g5! 28.Ng5?? (28.Ng5 Ng5 Combination; 28.fg5 f4) 28...Ng5-+ 29.fg5 (29.Qd1 Ne4 30.Rc2-+) 29...Qf1 30.g3 hg3 (30...f4 31.gf4 Qh3 32.Kf2 Qg3) 31.Qg2 f4 (31...f4 32.Kd2 Qg2 33.Kc1 Qf1 34.Kb2 Qd3-+) 0–1. Herbold,M (2090) – Paltrinieri,N (2170), 2nd Server24 Open, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    10.0-0 Rb8 11.Na3 a6 12.Nc2 b5 13.Nfe1 g6 14.f4 b4 (14...a5 15.Nf3=+) 15.cb4= Nb4 16.Nb4 Rb4 17.Nc2 (worse 17.Ba6 Qb6 18.Qd3 Ba6 19.Ra6 Qd4 20.Qd4 Rd4 21.Ra8 Bd8=+) 17...Rb8 18.Bd2 0-0 19.h3 h4 20.Qe1 Bd7 (20...Nf5 21.Qf2=) 21.Ba6 Bb5 22.Bb5 Rb5 23.Ra6 Nf5 24.Qa1 Qb8 25.Ne3 Ng3 26.Rd1 Bb4 27.Bb4 Rb4 28.Kh2 Qb5 29.Ng4 Rb2 30.Qa3 Kg7 31.Ra7 Rb8?? (31...Qe2 32.Rg1 Nf1 33.Kh1 Rb1=) 32.Qe7+- Rb7? (32...Rf8 33.Qf6 (33.Qh4?! Nf5 34.Qf6 Kg8+=) 33...Kg8 34.Rda1 Nf1 35.Kg1+-) 33.Qf6 Kf8?? (33...Kg8 34.Qd8 Kg7 35.Rb7 Qb7 36.Qf6 Kg8 37.Nh6 Kh7 38.Qh4 Nh5+-) 34.Ra8 (34.Rc1 Qd7 35.Ra8 Rb8 36.Qh8 Ke7 37.Rb8 Rb8 38.Qb8 Ne4 39.Nf6 Nf6 40.Qb4 Ke8 41.ef6 Qd8 42.Rc8 Kd7 43.Qb7 Qc7 44.Qc7) 34...Rb8 35.Qh8 Ke7 36.Qh4 Kd7 (36...Kf8 37.Qh6 (37.Qg3?! Ra8 38.Qh4 Qa4=) 37...Ke7 38.Rda1+-) 37.Ra7 (better 37.Nf6 Kc6 38.Rc1 (38.Qg3?! Ra8 39.Qc3 Kb6 40.Nd7 Qd7 41.Qb2 Qb5+-; 38.Kg3 Ra8 39.Qg4 Raa2-/+) 38...Qc4 39.Rc4 (39.Kg3? Qc1 40.Rb8 Qe1 41.Kh2 Qh4 42.Rb2 Qf4 43.g3 Qd4 44.Rc2 Kb5-+; 39.Qg3 Qc1 40.Ra6 Kb7-/+) 39...dc4 40.Qg3 Ra8 41.Qf3 Kb6 42.Qa8+-) 37...Kc6 (37...Rb7 38.Rb7 Qb7 39.Nf6 (39.Kg3?! Qb3 40.Kh2 Qd1+=; 39.Qg3 Qb3 40.Rd3 Qb4+-) 39...Ke7 40.Ne4 g5 41.Qg5 Kf8 42.Qd8 Kg7 43.Ng3+-) 38.Qg3 (38.Qe7 Rg2 39.Kg2 Qf1 40.Rf1 Rb2 41.Rf2 Rf2 42.Nf2 Ne4 43.Qb7) 38...Qe2 (38...Rb7 39.Rc1 Kb6 40.Rb7 Kb7 41.Qc3+-) 39.Qc3 Kb6 (39...Qc4 40.Qa3 R2b4+-) 40.Qc7 (40.Qc7 Kb5 41.Qc5; 40.Qc5) 1–0. De Jong,Peter – Strijkers,Niek, NED tt Netherlands, 1996. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 h5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6)

    10.0-0 Bd7 11.Ba3 Kf8 (11...h4 12.h3=) 12.Qd2 (12.Qb3 Ba3 13.Na3 h4=) 12...g6 (12...h4 13.Be7 Qe7 14.h3=) 13.Qf4 Kg7 (13...Ke8 14.Be7 Ne7 15.Nbd2+=) 14.Nbd2 Ba3 15.Ra3 Qe7 16.Ra2 Be8 (16...Nf5 17.Rb1 Rhb8 18.Rab2+=) 17.Rb1 Rc8 18.Ng5 (18.c4 b6+=) 18...a6 (18...b6 19.Ba6 Rc7 20.Rba1=) 19.Nb3 (19.Rb3 Na7+=) 19...Nd8 (19...Na7!?=) 20.Nc5+- Bc6 21.h4 (21.Nf3 Nf5+-) 21...Rf8+= 22.Re2 Ng8 23.f3 (23.Nf3 Nh6+=) 23...Be8 24.Qe3 Rc6 (24...Bc6 25.Ra2=) 25.Reb2+= Rc7 26.Rb6 Bc6 27.R1b2 Nh6 28.Qf4 Rh8 29.Qg3 Rg8 30.Re2 Rh8 31.Nh3 (31.Qf4=) 31...Rf8 (better 31...Bb5!? 32.Bb5 Nf5=) 32.Nf4+- Kh8 33.Bg6 fg6?? (better 33...Rg8 34.Qg5 Qg5 35.hg5 fg6 36.gh6 Re7=) 34.Ng6+- (34.Ng6 Kh7 35.Ne7 Re7 36.Ra2+-) 1–0. Rocha,Sergio (2300) – Neto,Horacio (2215), POR–ch sf Portugal, 1992. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.0-0 Bd7 11.Nbd2 Qc7 12.Re1 Na5 13.Nb3 Nc4 14.Ng5 Bg5 15.Bg5 Nb2 16.Qd2 Nd3 17.Qd3 Qc4 18.Qb1 b6 19.Re3 Nf5 20.Rf3 Bb5 21.Nd2 Qc6 22.Qb4 Qd7 23.Re1 Rc8 24.Rf5? (better 24.Rh3=+) 24...ef5-+ 25.e6 fe6 26.Nf3 Rc4 27.Qb2 0-0 28.Ne5 Qe8 29.Nc4 Bc4 (29...dc4?! 30.f4=+) 30.Qa3 Qd7 31.Be7 Re8 32.Bd6 Rc8 33.Re3 Qf7 34.h4 a6 35.Rg3 Be2 36.Be5 g6 37.Qd6 Kh7 38.Qb6 f4 39.Rg5 f3 (39...Rc3?? 40.Qd8 Rc1 41.Kh2+-) 40.g4 Rg8 (40...Rc3 41.Qd8 Rc8 42.Qc8 Qf6 43.Bf6 hg4 44.Qh8) 41.Qb1 Kh6 42.Kh2 hg4 43.Rg4 Qf5 44.Qc1 Kh7?? (better 44...g5 45.Rg5 Rg5-/+) 45.Rf4+- Qe4 (45...Bd3+-) 46.Rf7 (46.Rf7 Rg7 47.Rg7 Kh8 48.Qh6) 1–0. Koroev,Alan (2055) – Matveeva,Olga (2115), Perm op, 2007. (=1.Nf3 c5 2.b4 cb4 3.a3 e6 4.e4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.0-0 Bd7 11.Ne1 Nf5 (11...f6 12.ef6 (worse 12.Qh5 Nf7 13.Qg6 fe5-/+) 12...gf6 13.Bg6 Nf7 14.Bf4=) 12.Bf5 ef5 13.Nd3 (13.Qb3 h4=) 13...Be6=+ 14.Ba3 h4 15.Be7 Qe7 16.Na3 Kf8 17.Nf4 Rd8 (17...g5!? 18.Nh5 h3=) 18.Nb5+= b6 19.Nd6 g5 20.Nd3 Kg7 21.Qf3 Kg6 22.Rfb1 Rd6 (22...h3 23.g3+=) 23.ed6+- Qd6 24.Re1 (24.h3 Re8+=) 24...f6 (24...h3 25.g3+=) 25.Nb4+- a5 26.Re6 (better 26.Nc6!? Qc6 27.Re2+=) 26...Qe6= 27.Nd5 Rd8 28.Ne3 Ne7 (28...Qe4 29.Qd1=+) 29.Qd1 (29.Qh3 Qc6 30.Rc1 Rd4-+) 29...f4 30.Ng4 (30.Qd3 Kg7 31.Nc2 Qb3=+) 30...Qf5 31.h3 Nd5 32.Qb3 (32.c4 Nb4 33.d5 Qe4-/+) 32...f3 (32...Qd3 33.Rc1-/+) 33.c4 Nb4 34.c5 bc5 (34...Rd4?? 35.Qg8 Kh5 36.Qe8 Qg6 37.Qh8 Qh6 38.Qh6) 35.Ra5 Rd4?? (better 35...Qd3 36.Qd3 Nd3 37.dc5 fg2-/+) 36.Qg8 Kh5 37.Qf7 (37.Qe8 Qg6 38.Qh8 Qh6 39.Qh6) 37...Qg6+- 38.Nf6 Kh6 39.Ng8 Kh5 (39...Qg8 40.Qg8 g4 41.Qe6 Kg5 42.Rc5 Rd5 43.Qg4 Kf6 44.Qf3 Ke6+-) 40.Nf6 (better 40.Qf3 g4 41.Rc5 Rd5 42.Rd5 Nd5 43.Qd5 Qg5 44.Qf7 Qg6 45.hg4 Kg5 46.f4 Kg4 47.Qg6 Kf4 48.Qf6 Ke3 49.Qh4 Kd3 50.g4 Ke4 51.g5 Ke3 52.g6 Kd3 53.g7 Kc2 54.Qc4 Kb2 55.Nf6 Kb1 56.Qb3 Kc1 57.g8Q Kd2 58.Qgd5 Ke2 59.Qdd1) 40...Kh6= 41.Qf8 Qg7 42.Ng8 Kh7 43.Qf5 Kh8 44.Rc5?? (44.Qf3 Rf4 45.Qh5 Kg8 46.Rc5 Qa1 47.Kh2+-) 44...Rd1-+ (44...Qg8 45.Rc7 Qg7 46.Rc8 Qg8 47.Qf6 Kh7 48.Rc7 Rd7 49.Rd7 Qf7 50.Qf7 Kh6 51.Rd6) 45.Kh2 Qa1?? (better 45...fg2 46.Kg2 Qb7 (46...Qg8?? 47.Rc8 Nd5 48.Kh2+-) 47.f3 Nd5 (47...Kg8?? 48.Qg6 Kh8 49.Qh6 Kg8 50.Rg5 Kf7 51.Rg7 Ke8 52.Qh8) 48.Qe5 Kg8 49.Qg5 Kf7 50.Qf5 Nf6-+) 46.Qf6+- Qf6 47.Nf6 fg2 48.Rg5 g1Q 49.Rg1 Rg1 50.Kg1 Kg7 ½–½. Geselschap,Jock (2285) – Bus,Mariusz (2385), Wch U26 Antwerp, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.0-0 Nf5 11.Na3 a6 12.Nb5 Bd7 13.Bf5 ab5 14.Ra8 Qa8 15.Bd3 b4 16.c4 Qa2 17.cd5 Qd5 18.Be3 0-0 19.Bc2 Ra8 20.Qd3 g6 21.Bc1 Na5 22.Ng5? (better is 22.Qe3+=) 22...Bb5-+ 23.Qg3? (23.Qd1 Bf1 24.Kf1-+) 23...Bf1 24.Nf7 Qg2! (24...Kf7?? 25.Qg6 Kf8 26.Bh6) 25.Qg2 Bg2 26.Bg6 Bd5 27.Nh6 (27.Bg5-+) 27...Kg7 28.Bh5 Nb3 (28...Nb3 29.Ng4 Ra1-+) 0–1. Ng,Willy – Thomas,Gerald, 2011–STP–2 Lechenicher SchachServer, 2011. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 h5)

    10.0-0 Nf5 11.Na3 g6 12.Nb5 0-0 13.Bf5 ef5 14.Qd2 Re8 (14...Bd7 15.Qh6 Be8+-) 15.Ba3+= Kg7 (15...a6+=) 16.Nd6 (16.Bd6 Rh8+-) 16...Rh8 (16...Bd6!? 17.ed6 Na5=+) 17.c4+= Bd6 (17...Na5 18.Nc8 Ba3 A) 19.Ra3? Nc4 20.Qb4 Na3-+ (20...Rc8?! 21.Ra7 Rb8 22.Rb7+=); B) 19.Nd6+=) 18.Bd6+- Be6 19.c5 (19.Rfc1 a5+- (19...dc4? 20.d5+-)) 19…f6 1–0. Malinin,Yuri (2215) – Vaitonis,Vytautas (1910), SEA FESTIVAL A, 2016. (=1.Nf3 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.e4 d5 6.e5 Nc6 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.0-0 Nf5 11.Na3 g6 12.Bf5 ef5 (12...gf5 13.Nc2=+) 13.c4 (13.Nb5!?=) 13...Be6=+ 14.c5 a6 (14...b6 15.cb6 ab6 16.Qb3=+) 15.Bd2 (15.Qa4 g5=) 15...g5=+ 16.Nc2 f4 17.Nb4 Nb4 (17...g4 18.Nc6 bc6 19.Ne1=+) 18.Bb4= Qd7 19.Qd2 g4 20.Ne1 f3 21.g3 (21.gf3 gf3 Combination) 21...h4-/+ 22.Nd3 Qc6 23.Ba5 Bd7 (23...Bf5 24.Bb6-/+) 24.Rab1 Rb8 (24...Bf5 25.Rb6 Qd7 26.Rfb1 hg3 27.hg3 Bd3 28.Qd3+=) 25.Rb6 (25.Nb4!? Qh6 26.Qh6 Rh6 27.Nd5 hg3 28.hg3=) 25...Qa4-/+ 26.Bc3 Bb5 27.Ra1 (27.e6 fe6 28.Re6 Bd3 29.Qd3 hg3 30.hg3 Kd8+-) 27...Qc4-/+ 28.Nf4 hg3 29.hg3 Bg5 30.Rc1 Rh6 31.Ba5 Qa4 (31...Qe2 32.Ne2 Bd2 33.Bd2 Rb6 34.Nf4-/+) 32.Rh6 Bh6 33.Bc7 Rc8 34.Bd6 Kd7 35.Qb2 Kc6 (35...Bf4!? 36.gf4 Rh8-/+) 36.Qb1 Bf4 (36...Rh8 37.Qf5 Qa3= (37...Qd4?? 38.Qf7 Bd3 39.Ne6+-)) 37.Qf5+- Qd4?? (37...Rd8 38.Qf7 Qa5+- (38...Rd6 39.ed6 Qd1 40.Kh2 Qg1 41.Kg1 Bd6 42.Qe8 Kc7 43.cd6 Kb6 44.Qd8 Ka7 45.Rc8 b6 46.Qc7)) 38.Qc8 1–0. Bartlett,Simon (1815) – Jackson,Paul G (1735), Weymouth Major op, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.0-0 g5 11.Ne1 Nf5 12.Nc2 g4 13.Ne3 Bg5 (13...Ne3 14.Be3 Rg8 15.Nd2=) 14.Na3 (14.Nf5!? ef5 15.Bg5 Qg5 16.Na3+-) 14...Ne3= 15.fe3 0-0 (15...f5 16.ef6 0-0 17.e4 Rf6 18.e5 Rf1 19.Qf1+=) 16.e4+= de4 17.Be4 f5 18.ef6 Rf6 19.Re1 Bh6 (19...Rf8!?+=) 20.Bh6 Rh6 21.Qd2 Kg7 22.Rf1 Bd7 (22...e5 23.Rf7! Kf7 24.Qh6 Nd4 25.Rf1 Bf5 26.Bf5 (26.Rf5?! Nf5 27.Qh5 Kg8 28.Qf5 Qd1 29.Qf1 Qf1 30.Kf1 Rf8 31.Ke2 b6+=) 26...Ne2 27.Kh1+-) 23.Rf7! Kf7 24.Qh6 Qh8 25.Qg6 (25.Qg5 Qg7 26.Qh5 Kg8+-) 25...Ke7+- 26.Qg5 Qf6 27.Qc5 (27.Qh5?! Rf8 28.Bd3 e5=) 27...Kd8 28.Qh5 (28.Nc4!? g3 29.hg3+-) 28...Nd4+= 29.Qg4 Ke7? (29...Rc8!? 30.Rf1 Nf5+=) 30.Rf1 (30.Bb7 Rb8 31.cd4 Rb7+-) 30...Nf5 31.Bf5 ef5 32.Qb4 Kf7 (32...Kd8 33.Qb7 Qb6 34.Qb6 ab6 35.Nc4+-) 33.Nc4 (better 33.Qb7!? Qb6 34.Qb6 ab6 35.Nc4+-) 33...b6+- 34.Re1 Be6 35.Ne5 Kg7 36.Qd6 (36.Qf4 Re8+=) 36...Re8 37.Nf3 (37.Ra1!? a5 38.Re1+=) 37...Bf7= 38.Qg3 Qg6 39.Qc7 Re1 40.Ne1 a6 41.Nf3 Qe6 42.h3 Kf6 43.Qd8 Kg7 44.Qg5 Kf8 45.Qd8 Be8 46.Qd4 Ke7 47.Ne5 a5 (47...b5!?=) 48.Nc4+= a4 (48...f4 49.Qf4 Qe1 50.Kh2 Qc3 51.Qd6 Kf7 52.Nb6+-) 49.Nb6+- a3 50.Nd5 Kf7 51.Nb4 (51.c4 Qe1 52.Kh2 Kg8 53.Nf6 Kf7+=) 51...Qe4 (51...Kg6 52.Nd3 Qe4 53.Qd6 Kg7 54.Qg3 Kf7 55.Nc5=+) 52.Qe4 (52.Qa7 Kg6 53.Qa3 Qe1 54.Kh2 Qe5 55.g3 Qe2 56.Kg1 Qe1 57.Kg2 Qe2 58.Kg1 Qe1 59.Kg2 Qe2 60.Kg1=) 52...fe4= 53.Kf2 Kf6 54.Ke3 Ke5 55.g3 (55.g4 Bd7=) 55...Bf7= 56.Nc2 a2 57.Na1?? (better 57.g4=) 57...Be6?? (better 57...Kd5-+) 58.h4=+ ½–½. Natsidis,C (2195) – Papay,J (2020), Open Teplice CZE, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.Ba3 Rb8 11.Be7= Qe7 12.Na3 a6 13.Qb3 b5 14.0-0 Bb7 (14...0-0 15.h3=) 15.Rfb1 (15.Nc2 0-0=) 15...0-0=+ 16.Qd1 Rfc8 17.Nd2? (17.Nc2 Nf5=+) 17...g6 (better 17...b4!? 18.Nc2 bc3-/+) 18.Nb3=+ Kg7 (better 18...b4 19.cb4 Nb4=) 19.Nc5 (19.Nc2 Qg5=) 19...Rf8 (19...Ne5 20.Na6 A) 20...Rc3?! 21.Nb8 Nd3 22.Nb5 Nf2 23.Qe2+= (23.Kf2? Qh4 24.Kg1 Ng4 25.Qg4 Qg4 26.Nc3 Qd4 27.Kh1 Qc3-+); B) 20...Nd3 21.Nb8 Nf4-+) 20.Nc2= Ne5 21.Bf1 (21.Na6 Nd3 22.Nb8 Nf2 23.Kf2 Rb8 24.Rb5 Ng4 25.Kg1 Qh4+=) 21...Nc4=+ 22.Nb4 Increases the pressure on a6 (22.Bc4 dc4 23.Na6 Ra8=+) 22...a5 (22...Ra8!? 23.Bc4 dc4 24.Nba6 Ba6 25.Ra6 Ra6 26.Na6 Qd6-/+) 23.Bc4= dc4 24.Ra5 Qh4 (better 24...Ng4 25.g3 Qf6=) 25.Nb7?? (better 25.Qe1 Qg4 26.Qe5 Kg8 27.Qg3 Qg3 28.fg3+=) 25...Ng4-+ (25...Rb7?! 26.Qf3 Rb6 27.Ra7=) 26.h3 (26.Rb5?? Qf2 (26...Qh2?! 27.Kf1-+) 27.Kh1 Qh4-+) 26...Qf2 27.Kh1 Rb7 28.Qf3 (28.hg4?? hg4 29.Qg4 Rh8 30.Qh3 Rh3 31.gh3 Qf5-+) 28...Qf3 29.gf3 Nf6 30.Kg2 Rd8 31.Nc6 (31.Kf2 h4-+) 31...Rd5 (31...Rd6 32.Nb4-+) 32.Ne5 Ne8 33.Ra8 (33.Kf2 Nd6 34.Nc6 Rf5-+) 33...Nd6 34.Kf2? (better 34.Nc6-+) 34...b4! 35.Ra4 (35.Rb4 Rb4 Combination; 35.cb4 Rd4 Deflection) 35...bc3 36.Rb7 c2 (36...Nb7?! 37.Rc4 Nd6 38.Rc3 Rd4 39.Rc2-+) 37.Rf7 (37.Ra1 Nb7 38.Rc1 Rd4 39.Rc2-+) 37...Nf7 38.Rc4 Rd4!! 39.Rc7 (39.Rd4 Ne5 Combination) 39...c1Q! 40.Rc1 (40.Rc1 Rd2 Double attack) 40...Ne5 41.Ke3 (41.Rb1 Rd2 42.Ke3 Nc4 43.Ke4 e5 44.Rb7 Kf6-+) 41...Rh4 42.Rc5 (42.Rh1 Kf6-+) 42…Kf6 0–1. Boudry,William (1705) – Omorjan,Dejan (1990), EU–ch U14, 2015. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.Nf3 h5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6)

    10.Na3 a6 11.0-0 Bd7 12.Nc2 Na5 (12...b5 13.Ba3=) 13.Ne3 (13.Ba3 Ba3 14.Ra3 Nc4 15.Bc4 dc4=) 13...Rc8 14.Bd2 (14.Ba3 Rc3 15.Be7 Ke7=) 14...0-0 (14...Ng4 15.Qb1 Rc6 16.Nc2=+) 15.Ne1 (15.Qb1 h4=) 15...Bb5 (15...h4!?=+) 16.Bb5= ab5 17.Rb1 Nf5 (17...h4!?+=) 18.Nf5+- ef5 19.Qh5 Nc4 20.Bc1 Qd7 21.Nd3 Rfe8 22.Nf4 Bf8 23.Rd1 g6 24.Qg5 b4 (24...Ra8 25.e6! fe6 26.Ng6+-) 25.cb4 Qa4 26.Be3 Be7 27.Qg3 Ne3 (27...Qb5 28.e6 Qc6 29.Qh3+-) 28.fe3+- Qa2 (28...Qb5 29.e6 g5 30.Rf1+-) 29.e6 g5 30.ef7 (30.Rf1 Rc2+-) 30...Kf7 31.Nd3 Bf6 (31...Qe2 32.Qe5 Bf6 33.Qd5 Kg6 34.Ne5 (34.Qb7 Qe3 35.Nf2 Rc2=+) 34...Be5 35.de5 Qe3 36.Kh1 Re5 37.Qb7+-) 32.Rf1 (32.Qf3 Kg6+-) 32...Qc2 (32...Qe2 33.Ne5 Be5 34.de5+-) 33.Nc5+- Re7 (33...b6 34.Nb7 f4 35.ef4 Kg8+-) 34.Qf3 Rd8 35.Rbc1 (worse 35.Qf5 Qf5 36.Rf5 Kg6+-) 35...Qd2 (35...g4 36.Qf4 Qd2 37.Qf5 Qe3 38.Kh1 Qh6 39.Nb7 Rf8 40.Nd6 Kg8 41.Qd5 Kh8+-) 36.Rcd1 (better 36.Qf5 Qe3 37.Kh1+-) 36...Qe3+- 37.Qe3 Re3 38.Rf5 Kg6 39.g4 (39.Kf2 Rc3 40.g4 b6=) 39...b6= 40.Nd3 Re4 41.Nf2 (41.Ne5!? Be5 42.Re5 Rg4 43.Kf2 Rf8 44.Ke3=) 41...Bd4=+ 42.h3 Bf2 43.Kf2 Rb4 44.Rfd5 Rd5 ½–½. Feshir,M (2170) – Allen,J (2210), Spring Wednesday Knighter Masters, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.Na3 Nf5 11.0-0 Rb8 (11...h4 12.Nb5 (12.Bf4 h3 13.g4 Nh6 14.Nd2= –0.05) 12...h3 13.g4 Nh6 14.Ng5= 0.23; 11...Bd7 12.Bf5 (12.Re1 Na5 13.Nc2 Nb3 14.Rb1= 0.07) 12...ef5 13.Nb5 0-0 14.Nd6= 0.21) 12.Re1 (12.Bf5 ef5 13.Nb5 h4 14.h3+= 0.38; 12.Nb5 a6 13.Bf5 ab5 14.Bd3= 0.21) 12...a6 (12...h4 13.h3 0-0 14.Bf4= 0.11) 13.c4 (better 13.Nc2!?= b5 14.Ba3= 0.15) 13...Nfd4-/+ 14.cd5 (14.Nd4= –0.25) 14...ed5 (14...Nf3 15.Qf3 Bb4 16.de6 Be6 17.Re4-+) 15.Bb2? (15.Nd4!? Nd4 16.Ba6 ba6 17.Qd4=+) 15...Ne6 16.Bf5 b5 17.Nc2 a5 18.Ne3 Bb4 19.Re2 d4 20.Be4 de3 21.Bc6 Bd7 22.Bd7 Qd7 23.Re3 Qd1 24.Rd1 Ke7 25.Red3 Rhd8 0–1. Falkowski,Dawid (2065) – Pawelec,Bartosz (2045), Mistrzostwa Polski Niewidomych Poland, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 h5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nh6)

    10.Na3 Nf5 11.Nb5 g6 (11...0-0 12.h3 h4 13.0-0=) 12.Qa4 (12.0-0 a6=) 12...Kf8 (12...0-0 13.0-0+=) 13.0-0= a6 14.Bf5 gf5 15.Nd6 Bd7 16.Qa2 (worse is 16.Nb7 Qc7 17.Nc5 Ne5+=) 16...Rb8 (16...h4 17.h3 Rb8 18.Rb1+=) 17.Ba3 (17.Bf4 h4 18.h3 Na7=) 17...Na7+= 18.Ng5 Be8 (18...Bg5?? 19.Nb7 Ke8 20.Nd8 Bd8 21.Bd6+-) 19.h4 (19.c4!? Nc8 20.h4 dc4 21.Nc4 Qd4 22.Rfd1 Qh4 23.Nf3=) 19...Nb5= 20.Bc1? (better is 20.Nb5!? Bb5 21.Rfb1+=) 20...Nd6 21.ed6 Bd6 22.Re1 Qc8 (better is 22...Kg8-/+) 23.Bd2? (better is 23.Ba3!? Qd7 24.c4 dc4 25.Qc4+=) 23...Qc4 (23...Kg7 24.Qc2-+) 24.Qb2 Bd7 25.Nf3 (25.Qc1 Qc7-+) 25...f6 26.Qc1 Kf7 (26...Qc7 27.c4 dc4 28.Ba5-+) 27.Rb1 (27.Bf4 Qc7 28.Bd6 Qd6-+) 27...Rhg8 (27...Qc7!? 28.Ra1-+) 28.Bf4 Qc7 29.Bd2? (better is 29.Bd6 Qd6 30.Qh6-+) 29...Rg6 30.Qb2 (30.Kh1 a5-+) 30...b5 31.Kh1 Rbg8 32.Rg1 a5 33.c4 (33.Ra1-+) 33...dc4 34.d5 (34.Be3 c3 35.Qe2 b4-+) 34...e5 35.Ra1 (35.Qc2 b4-+) 35...b4 36.Bc1 (36.Be1 c3 37.Qb3 Qc5-+) 36...Qc5 (36...c3!? 37.Qb3-+) 37.Be3 Qd5 38.Rgd1 (38.Rad1 Qc6 39.Qe2 Rg4-+) 38...Qe6 (better is 38...Qc6 39.Qe2 Rg2 40.Rd6 Qd6 41.Ng5 fg5 42.Qh5 Qg6 43.Qg6 Rg6 44.Kg2 gh4 45.Kf3 Bc6 46.Ke2-+) 39.Qd2 Bc6 (better is 39...Ke7 40.Ra5 c3-+) 40.Bg5 (40.Qd6 Qd6 41.Rd6 Bf3 42.gf3-+) 40...Bc5 (40...Bf3!? 41.Qd6 Qd6 42.Rd6 fg5 43.Rd7 Ke6 44.Rc7-+) 41.Qe2 (41.Ra5 Bb6 42.Ra6 Rd8-+ (42...fg5 43.Rb6 c3 44.Qe3-/+)) 41...Be4 (better is 41...a4 42.Rab1-+) 42.Qd2 (42.Ra5 Be7 43.Ne5 fe5 44.Ra7 Rg5 45.hg5-+) 42...fg5 (better is 42...Bf3 43.gf3 fg5 44.Ra5-+) 43.Qd7 (43.Ng5 Rg5! 44.hg5 c3-+) 43...Qd7 44.Rd7 Ke6 (44...Ke6 45.Ra5 Kd7 46.Ne5 Kd6 47.Ng6 Rg6-+) 0–1. Snasel,Michal (1700) – Vesely,Jaromir (2005), Brno CZE, 5th Open, 2014. (=1.e4 e6 2.Nf3 c5 3.b4 d5 4.e5 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    10.Nbd2 Nf5 11.Nf1 (11.Ba3 Ba3 12.Ra3 h4=) 11...Qc7 12.Bd2 Bd7 13.Ng3 g6 14.Nf5 ef5 (14...gf5 15.0-0=+) 15.0-0= Be6 16.Ng5 (16.Bg5 Bg5 17.Ng5 Qe7 18.Ne6 fe6=) 16...0-0 (16...a6 17.Be3=) 17.Qf3 Rfe8 18.Qg3 Kg7 19.Rac1 (19.Qf4 Rh8=) 19...Na5 20.Bf4 Nc4 21.Be2 Rh8 22.h4 b5 23.Bf3 (23.Ra1 a5=+) 23...Qd7 (23...a5 24.Ra1-/+) 24.Nh3 a5 25.Bg5 Bg5 26.Qg5 Qd8 27.Qg3 (27.Qf4!?-/+) 27...Nd2-+ 28.Nf4 Nf1 29.Rf1 Kh6 (29...Kh7 30.Rb1 Rb8 31.Nd3-+) 30.Nd3 (30.Rb1 Rb8-+) 30...Rc8 (30...Kh7 31.Rb1 Qc8 32.Nc5-+) 31.Nc5-/+ Qe7 32.Qf4 (32.Rb1 Rb8-+) 32...Kg7 33.Ra1 a4 34.Qe3 (34.Be2 Rc5 35.dc5 Qc5-+) 34...Rc5! 35.dc5 Rc8 36.g3 (36.c6 Rc6 (36...Qh4?! 37.Be2-/+) 37.Qd3 Rc4-+) 36...Qc5 (36...Rc5?! 37.Be2-+) 37.Qg5 (37.Qc5 Rc5 38.Ra3-+) 37...Qc3 38.Qf6 Kg8 39.Rd1 (39.Rb1 Qf3 40.Qg5-+) 39...Qc5 (better 39...Qf3 40.Rb1 d4 41.Qe6 fe6 42.Ra1 Rc2 43.Rf1 d3 44.Kh2 Rf2 45.Rf2 Qf2 46.Kh3 d2 47.g4 hg4) 40.Bh5 (40.Qg5-+) 40...gh5 41.Qg5 Kf8 42.Qh5 a3 43.Qh8 Ke7 44.Qf6 (44.Qh5 b4 45.Kg2 Qc2-+) 44...Kd7 45.h5 (45.Qg5 Qc3 46.Qe3 Qe3 47.fe3 a2-+) 45...Qe7 (45...Qc1 46.Rc1 Rc1 47.Kg2-+) 46.Qg7 (46.Qh6 b4-+) 46...Qf8 (46...a2 47.Qh6 Qa3 48.Kg2-+) 47.Qf6 (47.Qg5 Qh8 48.Re1 Ke8-+) 47...Qh8 (better 47...a2 48.Kg2 Qa3 49.h6-+) 48.Rd5 Bd5 49.Qd6 Ke8 50.Qd5 Qh6 (50...Qh5 51.Kg2 Qe2 52.Qd6-+) 51.Qb5 (51.e6 Rc1 52.Kg2 Qe6 53.Qa8 Qc8 54.Qa3 Qc6 55.Qf3 Rg1 56.Kg1 Qf3 57.h6-+) 51...Qc6 52.Qa5 Ra8 (52...Rb8 53.Qe1 a2 54.Qf1 Rb1 55.e6 Rf1 56.Kf1 a1Q 57.Ke2 Qb2 58.Ke3 Qe4) 53.Qe1 a2 (53...a2 54.Qa1 Qb6-+) 0-1. Sharikov,Al (2200) - Postny,E (2605), PNWCC Blitz French Def, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    10.h3 Nf5 11.Nbd2 g6 (11...b6 12.0-0=+) 12.Nf1 Kf8 (12...Qc7 13.Qc2=) 13.Ne3= Kg7 14.Ke2 (14.0-0 b6=) 14...b6 (14...Qc7 15.Kf1=+) 15.g4 (15.Re1!?=+) 15...Ne3-/+ 16.Be3 a5 17.gh5 (17.Qb3 Ba6 18.Ba6 Ra6-/+) 17...Rh5 18.Qg1 (18.h4 Ba6-/+ (18...Bh4? 19.Rh4 Rh4 20.Bg5 Qg5 21.Ng5+-)) 18...Ba6-+ 19.Ba6 Ra6 20.Qg4 b5 (20...Qc7 21.Rag1 Kf8 22.Qf4-+) 21.Rag1 (21.Rhg1 Kh7-+) 21...Qh8-+ 22.Bg5 (22.Ng5 Bg5 23.Bg5 Qb8-+) 22...b4 23.cb4 (23.Qf4 Qe8 24.Bf6 Kg8-+) 23...ab4 24.Rc1 (24.Qf4 Ra2 25.Kf1-+) 24...Nd4! 25.Qd4 (25.Nd4 Bg5 Deflection (25...Bg5 Overloading); 25.Qd4 Bg5 Deflection (25...Bg5 Overloading)) 25...Bg5 (25...Rg5?! 26.Ng5 Ra2 27.Kf1 Bg5 28.Ra1 Ra1 29.Qa1-+) 26.Ng5 (26.Ra1 Ra1 27.Ra1 Rh3-+) 26...Rg5 27.Qb4 (27.Ra1 Ra1 28.Ra1 Qh3 29.Qb4-+) 27...Qh5 28.Kf1 (28.Kd2 Qf3 29.Qd4 Ra2 30.Rc2 Rc2 31.Kc2 Qh1 32.Qe3-+) 28...Ra2 29.Re1 (29.Qb5 Rf5 30.Rh2 Rff2 31.Rf2 Qh3 32.Ke1 Qe3 33.Qe2 Qc1 34.Qd1 Qe3 35.Kf1 Qf2) 29…Qf3 (29...Qf3 30.Qf8 Kf8 31.Rh2 Qd3 32.Re2 Qe2) 0–1. Rajabi,Hamid (1620) – Mohammedian,Esmaeel (1940), 4th Jam Individual League – Final, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.h4 Bd7 11.Bg5 a6 12.Nbd2 Rc8 13.Nb3 g6 (13...Ng4 14.Be7 Qe7 15.0-0=+) 14.0-0 (14.Nc5 Qc7 15.Be7 Ne7+=) 14...Rc7 (14...Bg5 15.Ng5 Nf5 16.Qf3=) 15.Qd2 (15.Be7 Ne7 16.Nc5 Nef5=) 15...Nf5 16.Bf5 gf5 17.Nc5 (17.Rfb1 Bg5 18.Ng5 Bc8=) 17...Bc8 (17...Bg5 18.hg5 Ne7 19.Rfb1=+) 18.Nd3 Bg5 19.Ng5 Ne7 20.Nf4 Ng6 21.Ng6 fg6 22.Rfb1 Rc6 23.Rc1 0-0 24.Qf4 Bd7 25.Nf3 Kg7 26.Rab1 b5 27.Ra1 Qe7 28.Nd2 Rfc8 29.Qg3 (better 29.Rcb1!?=) 29...b4-/+ 30.Nf3 (30.Nb1 Rc4-/+) 30...Rc3-+ 31.Rc3 bc3 (31...Rc3?! 32.Ra6 b3 33.Rb6=+) 32.Ng5 (32.Rc1 a5-+) 32...c2 (32...Qb4 33.Qe3-+) 33.Qe3 (33.Rc1 Rc4-+) 33...Bb5 (33...Qb4 34.Rc1-+) 34.Rc1 Rc6 (34...Rc4-+) 35.Nh3? (35.Qb3 Be2 36.Rc2 Bc4=+) 35...a5 (35...Qh4 36.Qd2 Ba4 37.Qb4-+) 36.Nf4? (better 36.Qd2-/+) 36...Qh4-+ 37.Qa3 Kf7 (37...Qf4?! 38.Qe7 Kh6 39.Qf8 Kg5 40.Qf6 Kg4 41.f3 Kg3 42.Qg6 Kh4 43.Qf6 Kg3 44.Qg7 Kh4 45.Qf6 Kg3 46.Qg7 Kh4 47.Qf6=) 38.g3 (38.Ng6 Kg6 39.Qf8 Rc7 (39...Qd4?! 40.Qg8 Kh6 41.Qh8 Kg6 42.Qg8 Kh6 43.Qh8 Kg6 44.Qg8=) 40.Qg8 Rg7 41.Qe6 Kh7 42.Qf5 Kh6 43.Rc2 Qg4 (43...Qd4 44.Rc8 Rg2 45.Kg2 Qe4 46.Qe4 de4 47.Rc5+-) 44.Qg4 Rg4-+) 38...Qd8 39.Qb2 Qb6 (better 39...Ba4!? 40.Qa3 Rc4 41.Qe3-+) 40.Rc2 Rc2 41.Qc2 Bd7 (41...Qd4 42.Qc7 Ke8 43.Ne6 Qa1 44.Kh2 Qe5 45.Qe5+-) 42.Qd2 a4 43.Nh3 a3 (43...Qb1 44.Kg2 Qe4 45.Kh2=) 44.Qg5 a2 (better 44...Qb1!? 45.Kg2 Ke8-/+) 45.Qf6= Ke8 46.Qh8 Ke7 47.Qf6 Ke8 48.Qh8 Ke7 ½–½. Al Modiahki,M (2540) – Short,N (2675), World Blitz, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.h4 Bd7 11.Ng5 Nf5 12.g3 Na5 13.Na3 (13.Ba3 Ba3 14.Na3 Qc7=+) 13...g6 14.0-0 Rc8 15.Bd2 a6 16.Qb1 (16.Nh3 Qc7=+) 16...b5 (16...Ba4 17.Qb2-/+) 17.Qa2 Ra8 18.Nc2 (18.Nf3 Qc7-/+) 18...Nc4 19.Bc1 (19.Nf3 Qc7 20.Bg5 Bg5 21.Ng5 0-0-/+) 19...a5 20.Re1 a4 21.Bc4 dc4 22.Ne3 (22.Ne4 Bc6-/+) 22...Ne3 (worse 22...Bg5 23.Nf5 gf5 24.Bg5=+) 23.Be3 Bc6 24.Kh2 (24.f3 Qa5 25.Qc2 Bg5 26.Bg5 Bf3-/+) 24...Qd5 25.Rg1 b4 (25...0-0 26.Nh3-+) 26.cb4 c3 (26...Bb4 27.f3 c3 28.Qf2-+) 27.Qd5 (27.Qa3 Qc4-/+) 27...Bd5 (27...ed5 28.e6 f6 29.Nf7-+) 28.Rgb1 (28.Rgc1 Bb4 29.Rcb1 Be7-+) 28...0-0 29.Bc1 (29.b5 a3 30.Nh3 c2-+) 29...c2 30.Rb2 Rfc8 31.b5 (31.Ra3-+) 31...a3 32.Rba2 0–1. Durutovic,Dragutin (2020) – Alivodic,Dario (1920), 3rd Podgorica Montenegro, Buducnost Ope, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.h4 Nf5 11.g3 a6 12.Bf4 Rb8 (12...b6 13.Bg5=+) 13.0-0 b5 14.Bf5 (14.Bg5 Bg5 15.Ng5 b4=+) 14...ef5 15.e6 (15.Bg5 Ra8=+) 15...Be6 (15...Rb6 16.ef7 Kf7 17.Bg5=+) 16.Bb8= Nb8 17.Nbd2 (17.Qd2!?=) 17...Qc7-/+ 18.Ne5 Bd6 (18...f4 19.Qf3 fg3 20.fg3=+) 19.Re1 Rh6 (19...Qc3 20.Nb3 0-0 21.Rc1=) 20.Qf3= Kf8 21.Nf1 (21.Kg2 Kg8=) 21...f4 (21...Kg8!?=) 22.Qf4+= Qc3?? (better 22...Kg8 23.Qe3 Rf6+=) 23.Rac1 (23.Ng6 Rg6 24.Qd6 Kg8 25.Qb8 Kh7+-) 23...Qb4? (23...Qa3 24.Rc8 Ke7 25.Rb8 Bb8 26.Nc6 Kd7 27.Nb8 Kd8+-) 24.Rc8 Ke7 25.Qg5 Rf6 26.Qg7 Rf2 (26...Bc8 27.Nc6 Kd7 28.Nb4 Bb4 29.Qf6 Be1 30.Qf7 Kc6 31.Qe8 Kb7 32.Qe1 Nc6+-) 27.Qf8 Kf6 28.Qh8 (28.Qh8 Kf5 29.Qh5 Kf6 30.Qg5) 1–0. Perales Galindo,Eduard (2265) – Ortega Serra,Marc (2235), Llinars del Valles ESP, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    10.h4 Kf8 11.Bg5 (11.Ba3 Kg8=) 11...Bd7 (11...f6 12.Bf4=) 12.Nbd2 Be8 (12...f6 13.ef6 gf6 14.Bf4=+) 13.Nf1 (13.Qb3 f6 14.ef6 gf6=) 13...Na5 (13...f6!? 14.ef6 gf6=) 14.Be7+= Ke7 15.Qc1 Nc6 16.Qa3 Kd7 17.Ne3 Qe7 18.Qb3 Kc8 (18...Kd8 19.0-0+=) 19.0-0 Ng4 20.Rfb1 f6 21.c4 (21.ef6 gf6 22.c4 Ne3 23.fe3 dc4 24.Bc4 Bf7+=) 21...Ne3 (21...fe5 22.cd5 Nd4 23.Rc1 Kb8 24.Qc3+-) 22.fe3 (22.ef6 gf6 23.fe3 dc4 24.Bc4+=) 22...Bf7 (better 22...fe5!? 23.cd5 ed5 24.Bf5 Kb8 25.Qd5 ed4 26.ed4 Rf8+=) 23.cd5+- ed5 24.Bf5 Kd8 25.Qb7 Qb7 26.Rb7 Be8 27.Rg7 fe5 (27...Ne7 28.Be6 fe5 29.Ra5+-) 28.Ne5 (28.Ng5 Rh6 29.de5 Ne5 30.Ne6 Re6 31.Be6 a5+-) 28...Ne5 (better 28...a5!?+-) 29.de5 Rf8 (29...Bb5+-) 30.e4 Bc6 (30...Rf7 31.Rf7 Bf7 32.ed5+-) 31.Ra6 (31.Raa7?! Ra7 32.Ra7 de4+-; 31.Rga7?! Ra7 32.Ra7 de4+-) 31...Bb5 (31...de4 32.Rc6 Rf5 33.Rg8 Kd7 34.Rd6 Kc7 35.Ra8 Re5+-) 32.Rd6 Ke8 33.Bg6 (33.Bg6 Rf7 34.Rf7 Bc6 35.e6 d4 36.Rh7 Kf8 37.Rd8 Rd8 38.e7 Kg8 39.ed8Q Be8 40.Qe8) 1–0. Grekh,A (2390) – Shinkarchuk,Maxim, Tch–UKR Alushta UKR, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.Bd3 Nh6)

    9.h4 Nh6

    10.Bd3 Bd7 11.Na3 a6 (11...Ng4 12.Bg5=+) 12.Bg5 Rc8 13.Be7 Qe7 (13...Ne7 14.Nb1=+) 14.Nc2 (better 14.Qb3!?=) 14...Na7-/+ 15.c4 (better 15.Qd2!?-/+) 15...dc4-+ 16.Be4 Bc6 17.Ng5 (17.Bc6 Rc6 (17...bc6?! 18.Ra6 Nb5 19.0-0=; 17...Nc6?! 18.Qd2-+) 18.Qd2 Nb5-+) 17...Be4 18.Ne4 Nf5 19.g4 (19.Ne3 Ne3 20.fe3 Nb5-+) 19...hg4 20.Qg4 Rd8 (20...Nb5 21.h5-+) 21.Rd1 (21.Ra4 Qc7-+) 21...Nb5 22.Ne3 (22.h5 Qc7 23.Ng3 Qa5 24.Kf1 Ng3 25.fg3 Rh7-+) 22...Rh4 (22...Qb4 23.Kf1 Qb3 24.Rh3 Rd4 25.Rd4 Nbd4 26.Nf5 Qb1 27.Kg2 Nf5 28.Nd2-+) 23.Nf6?! (23.Rh4 Qh4 24.Qh4 Nh4 25.Nc4-+) 23...gf6 24.Rh4 Nh4 25.Qh4 fe5 26.Qh8 Kd7 (26...Qf8 27.Qf8 Kf8 28.de5 Rd1 29.Kd1-+) 27.Qe5? (27.de5 Kc8 28.Rd8 Qd8 29.Qd8 Kd8 30.Nc4-+) 27...f6 (27...Qb4 28.Kf1 Nc3 29.Re1-+) 28.Qe4 (28.Qc5 Rc8 29.Qb6 Ke8-+) 28...Nd6 (28...Qb4!? 29.Kf1 Nc3 30.Qh7 Qe7 31.Qe7 Ke7 32.Rc1-+) 29.Qb1 (29.Qf3 Ke8-+) 29...Rh8 (29...b5 30.d5-+) 30.Ke2 (30.Nc4 b5 31.Nd6 Rh1 32.Ke2 Rd1 33.Qd1 Qd6 34.Qh1-+) 30...Qh7 31.Qb6 Qh5 32.Kd2 Qb5 33.Rb1 (33.Qb5 ab5 34.Rg1 b4-+) 33...Qb6 (better 33...Ne4 34.Ke1 Rh1 35.Nf1 Rf1 36.Kf1 Nd2 37.Ke1 Qb1 38.Qb1 Nb1 39.f4-+) 34.Rb6 Kc7 35.Rb4 (35.Rb2 b5-+) 35...Rh4 36.Kc3 b5 37.d5 (37.Rb2 a5 38.Ra2 Ne4 39.Kc2 Nf2 40.Ra5 Kb6-+) 37…a5 (37...a5 38.Rb1 ed5 39.Nd5 Kc6 40.Nf6 Rf4-+) 0–1. Jensen,Mi (2080) – Svane,R (2215), Politiken Cup, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.h4 Nh6)

    10.Ng5 Nf5-/+ 11.g3 Bd7 12.Bd3 g6 13.Nh3 Rc8 (13...b5 14.Nf4=+) 14.Nf4 Qc7 (14...Ng7 15.Ba3 Ba3 16.Na3=) 15.Bd2 (15.Bf5 gf5 16.Ba3 b5 17.Be7 Ke7 18.Nh5 Ne5 19.de5 Qe5 20.Kf1 b4 21.Ra7 bc3=) 15...Na5 (15...Qb6 16.Bf5 gf5 17.Bc1=) 16.0-0 (16.Bf5!? gf5 17.Nh5=) 16...a6-/+ 17.Bf5 (17.Bc1 Nc4-/+) 17...gf5 (17...ef5?? 18.Nd5 Qc4 19.Ne7 Ke7 20.Bg5 Ke8 21.Ra5+-) 18.Nh5 Bb5 19.Re1 Nc4 20.Bg5 Bg5 21.hg5 Qe7 22.Nf6 Kd8 23.Qc1 Kc7 24.Kg2 Kb8 25.Na3 Na3 26.Ra3 Rc4 (26...Kc7 27.Qb2=) 27.Qb2 Rhc8 (27...Kc8 28.Raa1=) 28.Rea1 (28.Rh1 Qc7 29.Rh7 Rc3 30.Rc3 Qc3 31.Qc3 Rc3 32.Rf7 Be2+-) 28...R4c6 (28...Rh8 29.Rb3=) 29.Re1 (29.Rh1 Rb6 30.Qa1 Qf8+=) 29...Rh8 30.Raa1 Rcc8 (30...Qc7 31.Ra3=) 31.Ra5 Bd3 32.Rd1 Bc4 33.Rda1 Rc6 34.R5a3 (34.Qb4 Qb4 35.cb4 b6=+) 34...Ka7 35.Rb1 Qc7 36.Re1 Rb6 37.Qc2 Qc6 38.Rb1 (38.Rh1 Rh1 39.Kh1 Qb5=) 38...Rb1 39.Qb1 Bb5 40.Qb4 Qc4 41.Qc4 Bc4 42.g4 fg4 43.Kg3 Be2 44.Ng4 Bg4 45.Kg4 Rh1 46.f4 b5 47.Ra2 Kb6 (47...Rg1 48.Kf3 Kb6 49.Kf2-/+) 48.Rf2= White prepares the advance f5 48...Kc6 (48...Rg1 49.Kh4=) 49.f5 Rg1 50.Kh5 White prepares g6 50...Rh1 51.Kg4 Rg1 52.Kf4 a5 53.g6 fg6 54.fe6 Kc7 (better 54...Rc1+=) 55.Rb2+- Kc6? (55...g5 56.Kf5 Rf1 57.Kg5 Rg1 58.Kf6 Rf1 59.Ke7 Kc6+-) 56.Rb5!! Rh1 (56...Kb5 57.e7 Passed pawn) 57.Ra5 Rh8 58.Kg5 Re8 59.Kg6 Re6 (59...Kb6 60.Rd5 Kc7 61.Kf7+-) 60.Kf7 (60.Kf7 Kb6 61.Ke6 Ka5 62.Kd5+-) 1–0. Mikhailov,Se (2415) – Shkuro,A (2070), ch–PriFO Kazan RUS, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    10.Bd3 Nf5

    11.Ba3 g6 12.Be7 (12.Bf5 gf5 13.Nbd2 Ba3 14.Ra3 b6=) 12...Qe7 (12...Nce7!? is worthy of consideration 13.Na3 0-0=) 13.Na3+= 0-0 14.Bf5 ef5 (14...gf5 Inferior is 15.Ng5+-) 15.0-0 b6 16.Qd2 Kg7 Black king safety dropped 17.Rfe1 (17.Nb5 Na5 18.Rfb1 Be6=) 17...Na5 18.Qa2 White threatens to win material: Qa2xd5 18...Be6 The black bishop is safe in front of e5 19.Rad1 Rfc8 20.Re3 (20.Rd3!?=+ must definitely be considered) 20...f4-/+ 21.Red3 Bf5 22.R3d2?? leads to further unpleasantness (better 22.Ng5-/+) 22...Rc3-+ 23.Nb5 (23.Nb1 Rb3 24.Rb2 Rf3 25.Qd5-+) 23...Rb3 (better 23...Rf3 secures the win 24.Qd5 Rb3 25.Qa8 Rb5-+) 24.Nd6-/+ Bg4 25.Rd3 (25.Rc1 Bf3 26.gf3 Qh4 27.Rdc2 Qg5 28.Kf1-+) 25...Bf3?? releasing the pressure on the opponent (25...Rd3 26.Rd3 Nc4 27.Nc4 dc4 28.Qc4-+) 26.gf3? (better 26.Rf3 and White could well hope to play on 26...Rf3 27.Qd5=) 26...Rd3-+ 27.Rd3 Nc4 28.Nc4 dc4 29.Qc4 Qe6 Black threatens to win material: Qe6xc4 (better 29...Qh4!? 30.e6 fe6 31.Qe6 Qg5 32.Kh2 Qf6 33.Qd7 Kh6-+) 30.Qc3 Qd5 31.Qd2 b5 32.Qf4 a5 33.Rc3 b4 (33...a4!? 34.Rc5 Qd8=+) 34.Rc5= ½–½. Iordanov,Stoian (1990) – Nikolov,Momchil (2255), BUL–ch U18 Bulgaria, 2001. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 h5 7.ab4 Bb4 8.c3 Be7 9.h4 Nh6 10.Bd3 Nf5)

    11.Na3 Qa5 12.Bd2 Qb6 13.Nc2 Qd8 14.Bg5 a6 15.Ne3 g6 (15...Ne3 16.Be3 Bd7 17.Bg5=+) 16.g3 Bg5 17.Ng5 Nce7 18.0-0 Bd7 19.Nf5 ef5 (19...Nf5 20.Qf3 Qc7=) 20.e6 (better 20.c4!?=) 20...Be6=+ 21.Re1 Qd7 22.Re3 Rc8 23.Qd2 (23.Qe2 Rc6-/+) 23...0-0 24.Rae1 Rc6 25.Nf3 Qc7 26.Ne5 Rd6 27.R3e2 Kg7 28.Qf4 Rc8 (28...Qc3?! 29.Nf7 Bf7 30.Qd6=+) 29.g4 (better 29.Re3!?-/+) 29...hg4-+ 30.h5 Rb6 (30...gh5?! 31.Qg5 Kf8 32.Qh6 Kg8 33.Qg5 Kf8 34.Qh6 Kg8 35.Qg5 Kf8=; 30...Qc3?! 31.h6 Kh7 32.Nf7 Bf7 33.Qd6-/+) 31.Qg5 (better 31.h6 Kh7 32.Qg5-+) 31...Rh8 32.Ng6 Ng6 (32...fg6? 33.Re6 Re6 34.Re6+-) 33.Re6 Re6 (33...fe6?! 34.Qg6 Kf8 35.Qf6 Kg8 36.Qg5 Kf7 37.Qg6 Kf8 38.Qf6 Kg8 39.Qg5 Kf8 40.Qf6=) 34.Re6 fe6?? (better 34...Rh5! 35.Qf6 Kf8-+) 35.Qg6=+ Kf8 36.Qf6 Kg8 37.Qg6 Qg7 38.Qe8 Kh7 39.Qe6 Rf8 40.Bf5 Kh8 41.Bg4 a5 42.f3?? (better 42.Kf1-/+) 42...Rf3-+ 43.Kh2 Rf6 (43...Rc3 44.Qe1 Rc6 45.Qe8 Kh7 46.Bf5 Kh6 47.Bg6-+) 44.Qe2 (44.Qe5 Rf2 (44...Qg4?! 45.Qf6 Kh7 46.Qe7 Kh6 47.Qd6 Kh5 48.Qd5 Qg5 49.Qb7=) 45.Kg1 Qe5 46.de5 Rc2-+) 44...Rf8 (44...a4 45.Bf3 Rf5 46.Bg4-+) 45.Kh3 0–1. Dovzik,Juri (2435) – Ljukin,F (2340), UKR–chT Simferopol, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.h4 Nh6)

    11.Na3 a6 12.Bg5 Rb8 13.Nc2= b5 14.Ne3 Rb6 15.Qb3 (15.Qe2 Ne3 16.Qe3 b4=) 15...g6 (15...Ne3 16.fe3 f5 17.Rh3=+) 16.Bf5 (16.Nf5 ef5 17.0-0 0-0=) 16...gf5 17.0-0 Bg5 18.Ng5 Ne7 (18...f4 19.Nc2=) 19.g3 Ng6 20.Nc2 Qc7 21.Nb4 Qc4 (21...Bb7 22.Qc2=) 22.Qb2 f4 23.Qd2 Qc7 24.Kh2 (worse 24.gf4 Nh4 25.Nd3 Nf5-/+) 24...Qe7 (24...Qd8 25.Ra3+= (worse 25.gf4 Nh4 26.Kh1 f6=+)) 25.Nd3 (25.Nh3 fg3 26.fg3 Rf8+-) 25...f6+= 26.ef6 Qf6 27.Rae1 Rb7? (better 27...Qf5!?=) 28.Nh3+- fg3 (28...f3!? 29.Ng5 0-0+-) 29.fg3+- Qg7 30.Ng5 Re7 (30...Rf8 31.Ne6 Be6 32.Re6 Ne7 33.Nf4+-) 31.Nc5 e5? (31...Qh6 32.c4 e5 33.cd5 Rf8+-) 32.de5 Ne5 33.Qd5 Rh6 (33...Qg8 34.Nge6 Qe6 35.Ne6 (35.Qe6?! Be6 36.Re5 Bc8=) 35...Be6 36.Qe5 (36.Re5?! Bd5 37.Rd5 Rh6=) 36...Kd8 37.Qb8 Bc8 38.Qd6 Rd7 39.Qb6 Rc7 40.Qf6 Kd7 41.Rd1 Ke8 42.Qd8) 34.Qa8 Kd8 35.Rd1 (better 35.Re5 Re5 36.Rd1 Kc7 37.Qa7 Kc6 38.Qg7 Re2 39.Kg1+-) 35...Kc7+- 36.Qa7 (36.Kh1!?+-) 36...Kc6 37.Qb8 Ng4 38.Kg1 Qe5 39.Qc8 Rc7 40.Qa8 Kc5 41.Ne4 Kb6 Exerts pressure on the isolated pawn 42.Ra1 Ra7 43.Qd8 Rc7 44.Rfe1 (44.Rf7! Rh8 45.Qc7 Qc7 46.Ra6 Ka6 47.Rc7+=) 44...Kb7 45.Rad1 Ka7 46.Rd7 (46.Kg2 Rh8 47.Qg5 Re8=) 46...Rhc6=+ 47.Rd5 (47.Rc7 Qc7 48.Qd3 Re6=+) 47...Qe7 48.Qh8 Nf6 49.Rd8 Ne4 50.Ra8 Kb6 51.Rb8 (51.Qd4 Qc5 52.Re4 Rd6=+) 51...Ka7 (better 51...Rb7!? 52.Qd4 Qc5 53.Rb7 Kb7 54.Re4 Qd4 (54...Qc3?? 55.Re7 Rc7 56.Qc3 Re7 57.Qf3 Ka7 58.Qh5+-) 55.Rd4 Rc3-/+) 52.Ra8= Kb6 53.Rb8 Rb7 54.Qd4 Qc5 55.Rb7 Kb7 56.Re4 a5 (56...Qc3?? 57.Re7 Rc7 58.Qc3 Re7 59.Qf3 Kc7 60.Qh5+-) 57.Re5? (better 57.Kf2=+) 57...Qd4-+ 58.cd4 b4 59.Ra5? (better 59.d5 Rc2 60.Re7 (60.Rh5?? b3 61.Rf5 b2-+) 60...Kc8 61.Re8 Kc7 62.Re7 Kd6 63.Rb7-+) 59...b3 60.d5 (60.g4-+) 60…Ra6 (60...Ra6 61.Rb5 Rb6 62.Rb3 Rb3-+) 0–1. Sedlak,Nikola (2575) – Stojanovic,Mihajlo (2585), BIH–chT, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.h4 Nh6)

    11.Na3 a6 12.Bg5 Rb8 13.Nc2 b5 14.Ne3 g6 15.Bf5 (15.Nf5 gf5 16.Be7 Qe7=) 15...gf5=+ 16.0-0 (16.Nc2 a5=+) 16...a5 (16...Bg5 17.Ng5 Qc7 18.Qd2=+) 17.g3 (17.Qd2 Bg5 18.Ng5 f4=+) 17...a4 (17...Bg5 18.Ng5 b4 19.cb4 ab4 20.Re1-/+) 18.Ng2 Na5 19.Nf4 (19.Be7 Qe7 20.Nd2 Qc7=+) 19...Nc4 Black intends a3 (19...Bg5 20.Ng5 Qc7 21.Qd3-/+) 20.Be7=+ Qe7 21.Ne1 (21.Nd2 Nd2 22.Qd2 Ra8=) 21...b4 (21...Ra8 22.Nh5 Qc7 23.Nf6 Kd8 24.Nd3=+) 22.cb4 (22.Qa4 Bd7 23.Qa7=) 22...a3 (22...Nb2 23.Qc2 Qb4 24.Ned3 Qd4 25.Nb2 Qb2 26.Qa4 Bd7 27.Qd1=) 23.Ned3 (23.Nc2 Ra8+=) 23...Qa7= 24.Nc5 (24.Ne2 Rg8=) 24...Rb4 25.Nh5 (25.Qf3 Qb6 26.Rfc1 Bb7=) 25...Ne5=+ 26.Nf6 (better 26.de5 Qc5 27.Qf3=+) 26...Kf8 (26...Kd8 27.de5 Qc5=+) 27.de5+= Qc5 28.Qf3 (worse 28.Ra3 Rbh4 29.gh4 Qa3=+) 28...Kg7 29.Ra3 Bb7 30.Rc3 (30.Rd1 Qc2+=) 30...d4= 31.Qf4 (31.Rc5 Bf3 32.Ra1 d3-+) 31...Qc3 (31...dc3?? 32.Qg5 Kf8 33.Nd7 Ke8 34.Nc5+-) 32.Qg5 Kf8 33.Rc1 (33.Nd7 Ke8 34.Nf6 Kf8 35.Nd7 Ke8 36.Nf6 Kf8=) 33...Qf3 (33...Bc6!? 34.Rc3 dc3=) 34.Nh7 Rh7 35.Rc8 Bc8 36.Qd8 ½–½. Sedlak,Nikola (2590) – Vavrak,Peter (2485), 10th EICC, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    11.g3 a6 12.0-0 Bd7 13.Re1 g6 (13...Rc8 14.Ng5=+) 14.Ng5 (14.Bg5 0-0=+) 14...b5-/+ 15.Bf5 gf5 16.Nh3 Qb6 17.Nf4 0-0-0 (17...b4 18.Bb2=+) 18.Na3 (18.Nd2 Rdg8 19.Nf3 Na5=) 18...Na5 (18...Rdg8 19.Kh2-/+) 19.Re2 (better 19.Nh3=+) 19...Bc6?? (better 19...Rdg8-/+) 20.Rea2+= Rdg8 (20...Nb7 21.Nc2 a5 22.Ba3 Ba3 23.Ra3+=) 21.Kh2 (21.Nc2!? Nc4 22.Ra6+-) 21...Nb7= 22.Nh5 (better 22.Nc2!? a5 23.Qf3+=) 22...Qd8-/+ 23.Nc2 a5 24.Nb4 Kd7?? (better 24...Be8-/+) 25.Nc6+- Kc6 26.Kg2 (26.Qe2!? Qb6 27.Rb1+-) 26...Rg4 27.Nf6 (better 27.Nf4 Qg8 28.Qf1 Bh4 29.Kg1 Bg3 30.fg3 Rg3 31.Rg2=) 27...Bf6-/+ 28.ef6 Rhh4 29.Kf3 (29.Qf3!?-/+) 29...Rh2-+ 30.Qf1?? (better 30.Bf4-+) 30...Re4 31.Rb1 Qb6 (31...Nd6 32.Re2 Qh8 33.Re4 Qh5 (33...Ne4?? 34.Qb5 Kc7 35.Qb6 Kd7 36.Qa7 Kd6 37.Rb6) 34.g4 de4 35.Ke3 Qg4 36.d5 ed5-+) 32.Bf4 (better 32.Ba3!? f4 33.Rab2 fg3 34.Qb5 (worse 34.Rb5 Rf2 35.Kg3 Qc7 36.Kf2 Qf4 37.Kg1 Qg3 38.Qg2 Re1 39.Re1 Qe1 40.Kh2 Kb5-+) 34...Qb5 35.Rb5+=) 32...Rf4=+ 33.Kf4 Nd6 34.Kf3 (34.Qg1 Rh8=+) 34...Ne4 (34...Qd8 35.Qd3-/+) 35.Qc1 (35.Rab2 A) 35...Nc3?? 36.Rc1 Kd6 37.Qd3+- (37.Rc3 Qd4 38.Qd3 Qg4 39.Ke3 f4 40.Kd2 b4=+); B) 35...b4 36.Qc1 Kd7=+ (36...Nc3 37.Qc3 Kd7 38.Rc2+-)) 35...e5 (better 35...Qb8 36.Qf4 Qd8-/+) 36.Qe3?? (better 36.Rbb2=+) 36...f4-+ 37.Qe1?? (37.Qc1 Kd7 38.Qf1 Nc3 39.de5-+) 37...fg3 38.c4 Qd4 (better 38...Kc7 39.Qa5 Rf2 40.Kg4 Ra2 41.Qa2 Nc3-+) 39.cd5= Kd7? (better 39...Kd6!? 40.Qe4 Rf2 41.Rf2 Qf2 42.Kg4 g2=) 40.Qe4+- Rf2 41.Rf2 Qf2 42.Kg4 Qf6? (better 42...Kd6 43.Re1 Qf6 44.Kg3 Qg5 45.Kf3 f6+-) 43.Rb5?? (better 43.Kg3 b4 44.Ra1+-) 43...g2= 44.Rb7 (worse 44.Qg2 Qg6 45.Kh3 Qd3 46.Qg3 Qb5 47.Qe5 Qd3 48.Kg4 Qc4 49.Kg5 Qc5=+) 44...Kc8 45.Rb1 g1R 46.Rg1 Qg7 47.Kf3 Qg1 48.Qf5 ½–½. Palii,Alex (1805) – David,Cristian (1870), Campionatul National de sah al Romaniei, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    11.g3 Bd7 12.0-0 0-0=+.

    11.g3 Bd7 12.Qb3 Na5 13.Qa2 Nc4 14.Nbd2 (14.Bc4 dc4 Combination) 14...b5-/+ 15.Nc4 bc4 16.Be2 a5 17.0-0 0-0 18.Ng5 g6 19.Bf3 Kg7 (19...a4 20.Ba3-/+) 20.Bf4 (20.Ba3 Ba3 21.Qa3 Qe7-/+) 20...a4 21.Rfb1 Bc6 22.Qe2 (22.Bg2 Qa5 23.Qd2 Rfb8-/+) 22...Rh8 (22...Qa5 23.Qc2-/+) 23.Ra2 Qa5 24.Bd2 Ra7 25.Qe1 a3 26.Bd1 Ba4 27.Nf3 Qc7 28.Ba4 Ra4 29.Qc1 (29.Bg5 Bg5 30.hg5 Rb8-/+) 29...Rb8 30.Rba1 Rb3 31.Bg5 Bg5 32.Qg5 (better 32.hg5 Qa5 33.Rc2-+) 32...Rc3 33.Qf6 (33.Kg2 Qb6-+) 33...Kg8 34.Ng5 (34.Kg2 Qe7 35.Qe7 Ne7-+) 34...Qe7 35.Rb1 (35.Qe7 Ne7 36.Rd2 Rb3-+) 35…Rb3 (35...Rb3 36.Rd1 Qf6 37.ef6 c3-+) 0–1. Zhukov,Vadim A – Kononenko,Tatiana (2275), RUS–Cup6 Krasnodar, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    11.g3 Bd7 12.Bg5 b5 13.Na3 (13.Bf5 ef5 14.Qb3 Qb6=+) 13...b4-/+ 14.Nb5 a6 15.Be7 Nce7 (worse 15...Nfe7 16.Nd6 Kf8 17.Ng5+-) 16.Nd6 Nd6 17.ed6 Nc8 (17...Nc6 18.cb4 Nb4 19.Be2-/+) 18.Ba6 (18.cb4 Nd6 19.0-0-/+) 18...Qb6 (18...bc3!? 19.Qc1 Qb6-/+) 19.Bc8 (19.Bb5! Ra1 20.Bd7 Kd7 21.Ne5 Kd6 22.Qa1=+) 19...Rc8-/+ 20.cb4 Qb4 21.Qd2 Qd6 22.0-0 f6 23.Ra7 0-0 24.Rfa1 Rc7 25.R1a6 Rc6 26.Rc6 Qc6 27.Qb4 Ra8 28.Ra8 Qa8 29.Qe7 Qe8 30.Qd6 Bb5 31.Ne1 Qc6 32.Qb8 (32.Qc6 Bc6 33.Nd3 Bb5-/+) 32...Kh7-+ 33.Kh2 Qc4 34.Ng2 Qe2 35.Qf4 Bd3 36.Qe3 Qe3 37.Ne3 Be4 (37...e5!? 38.de5 d4 39.Nd5 fe5 40.Kg1-+) 38.f4-/+ Kg6 39.Kg1 e5! 40.fe5 (40.de5 Kf7 Decoy; 40.fe5 fe5 Combination) 40...fe5 41.de5 d4 42.Nc4 Kf5 43.Kf2 Bd5 44.Nd2 (44.Nb2 Ke5 45.Nd3 Ke4 46.Nc5 Kf5-+) 44...Ke5 45.Ke2 Kf5 46.Kf2 Bc6 47.Ke2 Ke5 48.Ke1 (48.Nc4 Kd5 49.Nd2 Bb5 50.Kf3 Ke5-+) 48...d3 49.Kf2 (49.Nb3 Bd5 50.Nd2 Kd4-+) 49...Kd4 50.Nb1 Be4 51.Nd2 Bd5 52.Nb1 Ba2 53.Nd2 Kc3 54.Ke1 (54.Ke3 Bd5-+) 54...Bd5 55.Nb1 Kb2 56.Nd2 Kc2 57.Nf1 Bg2 58.Nd2 Bd5 59.Nf1 d2?? (better 59...Bg8-+) 60.Nd2= Kd3 61.Nf1 Bg2 62.Kf2 Bf1 (62...Bh3 63.Nh2=) 63.Kf1 Ke3 64.Kg2 ½–½. Zablotsky,Sergei (2450) – Kharkovsky,Dmitry (2185), Sibiria Region–ch, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5)

    11.Bg5 f6 12.ef6 gf6 (12...Bf6 13.Qe2 0-0 14.Ne5 Ne5 15.de5 Bg5 16.hg5 Qg5 17.Qh5=+) 13.Bf5= ef5 14.Bf4 Bd6 (14...Qb6 15.Qc2=) 15.Bd6 Qd6 16.0-0 Be6 17.Na3 Kf7 18.Re1 a6 19.Nc2 Rae8 (19...b5 20.Qd3=) 20.Re2 (20.Qb1 Re7=) 20...Rhg8 21.Qc1 Rg6 (21...f4 22.Qb2 Qc7 23.Rae1=) 22.Nce1 Reg8 23.Rb2 Nd8 24.Qb1 Qc7 25.Ra3 R8g7 26.Rb6 Kg8 27.Rab3 Bd7 28.Qd3 (28.Ra3 f4=) 28...Kh7=+ 29.Qe2 Bc6 (29...Ba4 30.Rb1=+) 30.Nh2 Qf4 31.Qh5 Rh6 32.Qf3 Rh4 33.Qf4 Rf4 34.f3 (34.Nd3 Re4=+) 34...Rh4-/+ 35.Nf1 Ne6 (35...f4 36.Nd3-/+) 36.Ne3 (36.Nd3 Rh5=+) 36...Rg5 (36...Kg6!?-/+) 37.Nd3 (37.Rb7 Bb7 38.Rb7 Kg6 39.Nd5 f4 40.Ne7 Kh6+=) 37...Rgh5 (37...f4 38.Ng4 Kg6 39.Nb4=) 38.Nb4= Exerts pressure on the isolated pawn 38...Rh1 39.Kf2 Nf4 40.Nc6 (40.Ra3 R5h2=) 40...bc6 (better 40...Nd3!? 41.Ke2 Nc1 42.Kf2 Nd3 43.Ke2 Nc1 44.Kf2 bc6=) 41.Ra3= (41.Ra6? Nd3 42.Ke2 Nc1 43.Kf2 Nb3-+) 41...Nd3 42.Ke2 Nf4 43.Kf2 Nd3 44.Ke2 ½–½. Steil Antoni,F (2100) – Kalezic,B (2460), 18th European Teams, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.h4 Nh6)

    11.Bg5 Bg5 12.hg5= h4 (12...Ke7 13.Nbd2=) 13.g4+= Nfe7 14.Rh4 Rh4 15.Nh4 Ng6 (15...Qc7 16.g6 f6 17.ef6 gf6 18.Qf3+=) 16.Ng6+- Qg5 17.Na3 fg6 18.Nb5 Kd7 19.Qf3 Ke7 20.Qg3 Qh6 21.Qe3 (21.Nd6 Bd7+-) 21...Bd7 (21...Qe3 22.fe3 Bd7 23.Kd2+=) 22.Nd6 (22.Ke2 Qh4 23.Qf3 Qg5+-) 22...Rh8 (22...Qe3 23.fe3 b6 24.Ra2+=) 23.Ke2 b6 24.Bb5 (24.Qh6 Rh6 25.Ra6 Rh3+-) 24...a5 (24...Na5 25.Ba6+=) 25.Rb1+- Qh4 (25...Qe3 26.Ke3 Rb8 27.g5+=) 26.Qf3 Rf8 27.Qg3 (better 27.Qg2!?+-) 27...Qg3= 28.fg3 Rb8 29.Rf1 (29.Ke3 Nd8=) 29...Nd8=+ 30.Bd3 b5 31.Bg6 b4 32.cb4 (32.Rh1 bc3 33.Rh7 Rb2 34.Kd3 c2=+) 32...ab4 (32...Rb4 33.Ke3=) 33.Ke3 (33.Rh1 Nc6 34.Kd3 Ra8=) 33...b3=+ 34.Nf7 b2 35.Nd8 Rb3 (worse 35...Kd8 36.Rf8 Kc7 37.Rb8 Kb8 38.g5+-) 36.Kd2 Kd8 37.Bd3? (better 37.Rb1=+) 37...Rd3!-+ 38.Kc2 (38.Kd3 Bb5 Double attack) 38...Rd4 (worse 38...Rg3 39.Kb2 Rg4 40.Kc3-+) 39.Kb2 Rg4 40.Rf3 Ke7 (40...Re4 41.Rf8 Ke7 42.Rg8-+) 41.Kc3 (41.Re3 Rc4-+) 41...Re4 42.Kd3 (42.Rf4 Re5 43.Rg4 g5-+) 42...Bb5 43.Kd2 Re5 44.Rf4 (44.Rf2 d4-+) 44...Rg5 45.Rb4 (45.Rf3 e5-+) 45...Bc4 46.Ke3 Rg3 47.Kf4 Rb3 48.Kg5 (48.Rb3 Bb3 49.Kg4-+) 48...Rg3 (better 48...Rb4 49.Kf4 d4-+) 49.Kf4 Rb3 50.Ra4?? (50.Kg5 Rb4 51.Kf4-+) 50...Kf6-+ 51.Ra8 e5 (51...g5 52.Kg4 Be2) 52.Kg4 Be2 (52...Be2 53.Kh4 g5) 0–1. Polishchuk,Kirill (2175) – Crowley,Regan (1760), Oceania Zonal, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 h5 9.h4 Nh6 10.Bd3 Nf5)

    8.d4 Nh6

    9.Ba3 0-0 10.Bd3 b6 11.h4 Ba3 12.Na3 f6 13.ef6 Qf6 14.Qc2 e5 15.Bh7 Kh8 16.Ng5? (better 16.de5 Ne5 17.Ng5-/+) 16...ed4-+ 17.0-0 dc3 18.Nb5 Bf5 (better 18...d4!?-+) 19.Bf5-/+ Nf5 20.Qc3 (20.g4 Qh6 21.gf5 Qh4-/+) 20...Qc3 (20...a6 21.Qa3 Nh4 22.f4-/+) 21.Nc3 Nb4 (21...d4 22.Nb5-+) 22.Rab1 (22.Rad1 d4 (worse 22...Nh4 23.Rd4 Ng6 24.Rb4+=) 23.Ne2 Nc6-/+ (23...Nh4? 24.Rd4 Ng2 25.Kg2+-)) 22...a5-+ 23.Rfd1 d4 (23...Ne7 24.Rd2-+) 24.Ne2-/+ d3 25.Nf4 Nh4 26.g3 (26.Nd3 Nd5 27.Rd2 Rf5 28.Nf7 Kh7-/+) 26...Rf4! 27.gf4 g6 (27...Rf8 28.Rb4 ab4 29.Rd3-/+) 28.Nf7 Kg7 29.Ne5 Rd8 30.Rd2 (30.Rb3 Kf6-/+) 30...Rd5 (30...Kf6 31.Kh2-+) 31.Kf1 g5 32.Nd3? (32.fg5 Re5 Deflection) 32...Nf3 (32...Nd3!? 33.Rb6 Nf3 34.Rc2-+) 33.Rdd1 Nd3 34.Rb6? (34.Ke2 Nfe1! 35.Re1 Ne1 36.Ke1 b5 37.fg5 Rg5-+) 34...Nf4 (better 34...gf4!? 35.Ke2 Nfe5 36.Rb7 Kf6 37.f3-+) 35.Rd5 Nd5 36.Rb5 Nf4 37.Ra5 Kg6 38.Ra6 Kf5 39.Rf6 Kg4 (39...Kf6?!) 40.Rf8 Nd2 41.Kg1 Kf3 42.Rg8 Ne4 (42...g4 43.Rg7-+) 43.Kf1 g4 (43...Nh5 44.Ke1-+) 44.Rf8?? (better 44.Rg4! Nd2 45.Ke1 Kg4 46.Kd2=) 44...Nd2 45.Kg1 Ne4 (45...Nc4 46.Rg8-+) 46.Kf1 Ng5 (46...Nc3 47.Re8 Nd1 48.Ke1 Nf2 49.Rg8=) 47.Rg8 (47.Rf5 Ngh3 48.Re5 Ng6=+) 47...Ngh3 (better 47...Nfe6-+) 48.Rf8 Ke4 49.Rg8 Kf5 50.Rf8? (50.f3 g3 51.Rg3 Ng5=) 50...Ke5 (better 50...Kg5!?-/+) 51.Rg8=+ Kf5 52.Rf8 Kg5 53.Rg8 Ng6 (53...Kh4 54.Rc8 Nh5 55.Ke2-+) 54.Kg2? (better 54.f3=+) 54...Nhf4-+ 55.Kg3 Nh5 56.Kg2 Nf6?? (56...Kf5 57.Kh2-+) 57.f3 (better 57.Rg6 Kg6 58.f3=) 57...Ng8-/+ 58.fg4 N8e7 59.Kf2 Ne5 60.Ke3 N7g6 61.Kd4 Nf7 62.Kc4 Kf4 63.g5 Ke5 64.Kb4 Nd6 65.Kc5 Nf5 66.Kb4 Kd5 67.Kb3 Kd4 68.Kc2 Ne3 69.Kd2 Nc4 70.Ke2 Ke4 71.Kf2 Kd3 72.Kf3 Nce5 73.Kf2 Kd2 74.Kg3 Ke3 75.Kg2 Nd3 76.Kg3 Ndf4 77.Kg4 Ke4 78.Kg3 Nd3 (78...Kf5 79.Kf3-/+) 79.Kg4 Nde5 80.Kg3 (better 80.Kh5-/+) 80...Ke3 81.Kg2 Nf4 (81...Kf4 82.Kf2-/+) 82.Kg3 Neg6 83.Kg4 Ke4 84.Kg3 Ne2 (84...Kf5 85.Kf3-/+) 85.Kg4 Nd4 86.Kg3 Nf5 87.Kg4 Nd6 (87...Ng7 88.Kg3-/+) 88.Kg3 Kf5 89.Kf3 Nc4 90.Ke2 Ke4 91.Kf2 Kd3 92.Kf3 Nce5 93.Kg3 (93.Kf2 Ng4 94.Kg3-/+) 93...Ke2 94.Kg2 Nd3 95.Kg3 Nf2 96.Kg2 Ne4 (96...Nd1 97.Kg3 Ne3 98.Kh2 Kf2 99.Kh3 Kf3 100.Kh2 Nf4 101.Kh1 Kf2 102.g6 Ng4 103.g7 Ne2 104.g8Q Ng3) 97.Kh3 Kf3 98.Kh2 Nf2 99.Kg1 Nd3 100.Kf1 Ngf4 (better 100...Ke3-/+) 101.g6= Ng2?? (better 101...Nd5=) 102.g7+- Ne3 103.Kg1 Nf4 104.g8Q Ne2 105.Kh2 Ng4 106.Kh3 Nf2 107.Kh4 Ne4 108.Qb3 N2c3 109.Qf7 Ke3 110.Kg4 Nf2 111.Kg3 Nce4 112.Kg2 Nd3 113.Qf3 Kd4 114.Qf8 Ne1 115.Kf1 Nd3 116.Ke2 Ndc5 (116...Nc3 117.Kd2 Ne4 118.Kc2+-) 117.Qd8 Ke5 118.Qb8 Kd4 119.Qh8 Kc4 120.Ke3 Kd5 121.Qd4 Kc6 122.Qd8 Nd6 123.Qa8 Ncb7 124.Kd4 Nb5 125.Ke5 N5d6 126.Qa6 Kc5 127.Qa3 Kc4 128.Qc1 Kd3 129.Kd5 Ke2 130.Qc3 Kf2 131.Ke5 Kg2 (131...Nd8 132.Kd6 Ke2+-) 132.Kf4 (132.Kf4 Ne4 133.Qf3 Kh2 134.Qe4 Nd8 135.Qe2 Kh3 136.Qg4 Kh2 137.Kf3 Ne6 138.Qg2) 1-0. Leszko,Bence (2320) - Grachev,B (2615), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.d4 Nh6 7.ab4 Bb4 8.c3 Be7)

    9.Na3 a6 10.h4 (10.Bh6 gh6 11.Bd3 0-0= 12.Qd2= –0.06) 10...Bd7 (10...Ng4 11.Ng5 f5 12.Be2-/+ –0.84) 11.Bd3 (11.Bh6 gh6 12.Qd2= –0.25) 11...b5 (11...Ng4 12.Bg5=+ –0.59) 12.Rh3 (12.Bh6= –0.25) 12...b4 13.Rg3? (13.Bh6 gh6 14.Nc2 bc3 15.Ra6 Ra6 16.Ba6 Nb4=+) 13...Bf8?? (better 13...ba3!? 14.Rg7 Nf5 15.Bf5 ef5-+) 14.Nc2 a5 (14...Nf5 15.Bf5 ef5 16.cb4 Nb4 17.Nb4 Bb4 18.Bd2=+) 15.Ng5 (better 15.cb4!? Nf5 16.Bg5=) 15...g6 16.h5 Nf5 (worse 16...bc3 17.Nh7 Rh7 18.hg6=) 17.Rf3? (better 17.Bf5 ef5 18.cb4 ab4 19.Ra8 Qa8 20.Rh3-/+) 17...b3-+ (17...gh5 18.Rh3 a4 19.Nf7 Kf7 20.Qh5 Kg8 21.Bf5 ef5 22.Rg3 Bg7 23.Bh6+-; 17...bc3?! 18.Bf5 gf5 19.Rc3-/+) 18.g4 bc2 19.Bc2 Be7 20.gf5 Bg5 21.fg6? (21.fe6 Be6 22.Ba4-+) 21...hg6 22.Qd3 Bc1 23.Rc1 Qg5 24.Rb1 Rh5 25.Ke2 Qg4 26.Kd2 (26.Ke3 a4 27.Rg3 Rh3 28.Rh3 Qh3 29.Kd2 Qh6 30.Qe3 Qe3 31.Ke3 a3-+) 26...Rb8 (better 26...Re5 27.Ba4 Rh5-+) 27.Ba4 (27.Rb8 Nb8 28.Qe3-+) 27...Rb1 28.Qb1 (28.Bd1 Ra1 29.Bb3 Qg1-+) 28...Qf3 29.Bc6 Qf2 (29...Qf2 30.Kd1 Rh1; 29...Bc6?! 30.Qb8 Kd7 31.Qd6 Kc8 32.Qc6 Kd8 33.Qd6 Ke8 34.Qb8 Kd7 35.Qd6 Ke8 36.Qb8 Ke7 37.Qd6 Ke8=) 0–1. Tobolski,Jakub – Bebel,Arkadiusz, Ustron Jaszowiec Poland, 2010. (=1.e4 e6 2.Nf3 d5 3.d4 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.e5 Nh6)

    9.Na3 Nf5 10.Bd3 Qa5 11.Bd2 Qb6 12.0-0 +=.

    9.Bd3 0-0 10.0-0 f5 (10...Nf5 11.Qc2=+) 11.ef6 (11.Bh6 gh6 12.c4 Nb4=) 11...Bf6 (11...Rf6 12.Re1=+) 12.Qe2 (12.Bh6 gh6 13.Re1 Qc7=) 12...Nf7=+ 13.Ba3 (13.Bf4 g5 14.Bg3 g4=+) 13...Re8-/+ 14.Qc2 g6 15.Rd1 (15.Nbd2 e5 16.de5 Nfe5 17.Ne5 Ne5-/+) 15...e5 16.de5 Nfe5 17.Ne5 Be5 18.Nd2 Bg4 19.f3 (19.Rdb1 Qc7 20.h3 Be6-/+) 19...Be6-+ 20.Nf1 Rc8 21.Rab1 Rc7 22.Kh1 Qf6 23.c4 Nd4 24.Qf2 (better 24.Qa4 Bd7 25.Qb4-+) 24...dc4 25.Be4 c3 (25...b5 26.Qe3 Rd8 27.Bb4-+) 26.Ne3 (26.Rb7 Rb7 27.Bb7 c2-+) 26...Qf7 (26...b6 27.Nc2 Nc2 28.Qc2-+) 27.Re1 (27.Nc2 Nc2 28.Qc2 Ba2-+) 27...Rec8 (27...b5 28.Bb4-+) 28.Nc2 (28.Rbd1 Qf4 29.g3 Qf7-+) 28...Nc2 (better 28...Qf4 29.g3 Qd2-+) 29.Bc2-/+ Bf6 30.Qa7 Kg7 (30...Rd7 31.Bc5-+) 31.Qe3-/+ Bf5 32.Bf5 gf5 33.Qf4 c2 34.Rb6 Rc4 35.Qg3 (better 35.Qc1!?-/+) 35...Kh8 36.Bc1 (36.Rc1 Rd4 37.Rd6 Qc7 38.Rd4 Qg3 (38...Bd4?! 39.Qg5 Qe5 40.h3-+) 39.Rd8 Bd8 40.hg3 Bf6-+) 36...Rd4 (better 36...Bc3 37.Rf1 Qc7 38.Qc7 R8c7-+) 37.Bb2? (better 37.Rf6 Qf6 38.Bb2-/+) 37...Bg7 38.Rd6 (38.Bd4 c1Q 39.Bg7 Qg7 40.Qg7 Kg7 41.Rb7 Kf8 42.Rbe7-+) 38...Rd6 39.Bg7 (39.Qd6 Bb2 40.h3 Qg7-+) 39…Qg7 (39...Qg7 40.Qd6 c1R 41.Qd8 Rd8 42.Rc1 Qg5-+) 0–1. Vogiatzis,Dimitrios (1985) – Liepold,Stefan (2220), 4th Mittelfranken–ch HT, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.Bd3 0-0 10.h4 f6 11.ef6 (11.Bh6 gh6 12.Qd2 fe5 13.Qh6 e4=) 11...Bf6 12.Ng5 e5 13.Nh7 e4 (13...Re8 14.Nf6 Qf6 15.de5 Re5 16.Be2=+) 14.Nf8= ed3 15.Ng6 Bg4 (better 15...Qe8!? 16.Ne5 Nd4 17.cd4 Be5=) 16.f3 (16.Qd3!? Qe8 17.Ne5 Ne5 18.de5 Qe5 19.Be3+=) 16...Qe8+= 17.Ne5 Ne5 18.de5 (18.fg4 Bh4 19.Rh4 Nf3 20.Kf2 Nh4-+) 18...Be5 19.Kf2 (19.0-0 Bf5+=) 19...Nf5 (19...Bf5!?=) 20.fg4+- Bg3 21.Kg1 Qe7? Now all is on h4 (better 21...Qe2 22.Qe2 de2+-) 22.Rh3+- (22.gf5?? Qc5 23.Be3 Qe3 24.Kf1 Qf2) 22...Qc5? (22...Qe2 23.Qe2 de2+-) 23.Kh1 Re8 24.gf5 (better 24.Bd2 Ne3 25.Qg1+-) 24...Re1 25.Qe1! Be1 26.Rd3 Qc4 27.Rf3 Qh4 28.Kg1 Bg3 29.Nd2 Qh2 30.Kf1 Qh1 (30...a6 31.Rb1+-) 31.Ke2 Qg2 32.Kd3 (32.Kd1 Bf2+-) 32...Be1 33.Re3 (better 33.Rf4 Bg3 34.Rf1+-) 33...Bh4?? (33...Bf2 34.Re7 Qh3 35.Kc2 Qf5 36.Kb2=) 34.Ba3?? (34.Ra7 Bg5 35.Re8 (35.Rb7? Be3 36.Ke3 d4 37.cd4 Qb7-+) 35...Kh7 36.Rf8 Qh3 37.Kc2+-) 34...Bg5+= 35.Re2 (35.Bc5!? Be3 36.Be3+= (worse 36.Ke3 Qg5 37.Ke2 Qh5 38.Nf3 a6-/+)) 35...Qh3= 36.Kc2 Qf5 37.Kb2? (37.Kd1 Qd3 38.Bc1 Be3=) 37...Qd3 (better 37...d4 38.c4 Qd3 39.Re8 Kf7 40.Rf8 Kg6-+) 38.Rae1?? (better 38.Re8 Kh7 39.Nb3=) 38...Bd2-+ 39.Re8 Kh7 40.Rh1 Kg6 41.Rg1 Kf7 42.Rc8 (42.Rf8 Ke6 43.Bb4 d4 44.Re8 Kd7 45.Re7 Kd8 46.Reg7 dc3 47.Ka1 c2 48.Rg8 Kc7 49.R8g7 Kb6 50.R1g6 Kb5 51.Rb7 Ka4 52.Ra7 Kb3 53.Ra3 Kb4 54.Rd3 c1Q 55.Ka2 Qc2 56.Ka1 Qd3 57.Rb6 Ka4 58.Ra6 Qa6 59.Kb2 Qd3 60.Ka2 Qc2 61.Ka1 Bc3) 42...g5 43.Rf1 Kg6 44.Rf2 (44.Rff8 a5 45.Rfd8 b5-+) 44...Qe3 (44...d4 45.Bb4-+) 45.Rff8 Bc1 46.Kb3 Qb6 47.Bb4 a5 48.Kc2 Qe3 49.Ba5 (49.Rg8 Kf5 50.Kb3-+) 49...Qd2 50.Kb3 Qb2 51.Ka4 b5 0–1. Feshir,Medhat (2170) – Amarasinghe,Prashantha N (2015), Spring Wednesday Knighter Masters, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.Bd3 a5 10.0-0 (10.Bh6 gh6 11.0-0 0-0=) 10...b6 (10...Nf5 11.Ba3=+) 11.Qe2 (11.Bh6 gh6 12.Nbd2 Bd7=) 11...Nb8 (11...Nf5 12.Ba3=+) 12.Ba3 (better 12.Bh6!? gh6 13.Nbd2+=) 12...Ba6=+ 13.Ba6 Ra6 14.c4 0-0 15.Nc3 Ba3 16.Ra3 dc4 17.Qc4 Qc8 18.Qd3 Nc6 19.Ne4 (19.Rb1 Rd8=+) 19...Nb4-/+ 20.Qd2 Nf5 21.Qg5 Nd5 22.Rc1 Qd8 23.Qd2 Qe7 24.Qa2 Raa8 25.g4 Nh4 26.Nfg5 h6 27.Nh3 Rac8 28.Rf1 Nb4 29.Qb1 Nc2 (29...Qb7 30.Rg3 Qd5 31.f4-+) 30.Rg3 (30.Rd3 Nd4! 31.f4 Ne2 32.Kf2-+) 30...Nd4 31.Qd3 Qb4 32.f4 White prepares g5 (32.Kh1 Qc4 33.f4 Qd5-+) 32...Rc2 33.Kh1 Qb2 34.Nhf2 Ne2 35.g5 Nf4 (better 35...Rc1!? 36.Rc1 Qc1 37.Nd1 Ng3 38.hg3-+) 36.gh6 Nhg6 37.Rg6? (37.Qe3 Qe5 38.Ng4-+) 37...fg6 (worse 37...Ng6 38.Ng4 Rc1 39.Nd6-+) 38.Qg3 (38.Qd6 Rc1 (38...gh6 39.Nf6 Rf6 40.ef6 Qf6 41.Nh3-/+) 39.Rc1 Qc1 40.Qd1 Qd1 41.Nd1 Rf5-+) 38...Rf2! 39.Nf2 (39.Nf2 Qe2 Double attack (39...Qe2 Decoy); 39.Rf2 Qb1 Double attack (39...Qd4 Decoy); 39.Qf2 Nd3 Double attack (39...Nd3 Decoy)) 39...Qe5 (39...gh6?! 40.Nd3 Qe2 41.Rf4=+) 40.Rd1 (40.h7 Kh7 41.Qf3 Qe2-+) 40...Qf5 (better 40...gh6 41.h3-+) 41.hg7 Kg7 42.Qh4 (42.Rd7 Rf7 43.Rd2 Nd5-+) 42...Ne2 43.Rd7 Rf7 44.Rf7 Qf7 45.Kg2 Nf4 46.Kg3 Nh5 47.Kg2 Qf6 (47...e5 48.Qe4 Nf4 49.Kg3-+) 48.Qe4 Qg5 49.Kf1 Qb5 50.Ke1 Qb4 (50...Qd5!? 51.Qe3-+) 51.Qb4 ab4 52.Kd2 Nf4 53.Kc2 Kf6 54.Kb3 Nd5 55.Kc4 Kf5 56.Kd4 b3 57.Nd3 (57.Nd1 b5-+) 57...g5 58.h3 (58.Nb2 b5-+) 58...Nf4 59.Nb2 Nh3 60.Kc3 g4 61.Nd3 g3 62.Ne1 Nf4 63.Kb3 g2 (63...g2 64.Ng2 Ng2-+) 0–1. Prus,Marek (1715) – Sokur,Ivan, 108th YMCA Summer B, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.Bd3 a6 10.0-0 Bd7 (10...Nf5 11.Ba3=+) 11.Nbd2 (11.Bh6 gh6 12.Qc2 Qc7=) 11...b5 12.Nb3 Nf5 13.g4 (13.Ba3 0-0=) 13...Nh4 14.Nh4 Bh4 15.f4 Be7 16.Qf3 Qb6 17.Be3 g6 18.f5 (18.Ra2 Ra7=+) 18...gf5-/+ 19.gf5 ef5 20.Bf5 Bf5 21.Qf5 Nd8 22.Qf3 Qe6 23.Kh1 Rf8 24.Nc1 (24.Qh5 Qc6-/+) 24...f6 25.Bh6 (25.Nd3 fe5 26.Qh5 Qg6 27.Rf8 Bf8 28.Qe5 Qe6=) 25...Rf7-+ 26.Bf4 fe5 27.de5 Nb7 (27...Nc6 28.Nd3-+) 28.Ne2 Bc5 29.Qd3 0-0-0 (29...Nd8!?-/+) 30.Bg5=+ Rf1 31.Rf1 Be7 (31...Rd7 32.Bf6=+) 32.Nd4 (32.Be7 Qe7 33.Qf5 Kb8=) 32...Qe5=+ 33.Be7 Qe7 34.Nc6 Qe4 35.Qe4 de4 36.Nd8 Kd8 37.Kg2 (37.Rf6!? a5 38.Rb6=) 37...Ke7=+ 38.Kf2 Ke6 (38...a5 39.Rd1=+) 39.Ke3= Ke5 40.Rf7 Nd6 41.Rh7 Nf5 42.Ke2 a5 43.Ra7 a4 44.Ra5 Nd6 45.h4 Kd5 46.h5 1–0. Golubov,Saveliy (2485) – Sipetin,Vladislav (2285), Vladimir Dvorkovich Cup, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.Bd3 f5 10.ef6 Bf6 11.Bh6 gh6 12.Qd2 Qe7 13.Qh6 Qg7 14.Qg7 Bg7 15.Ra2 Bd7 16.0-0 Ke7 17.Re1 Bf6 18.Nbd2 Kd6 19.Nb3 b6 20.Ba6 Rab8 21.h4 h6 22.g3 b5 (better 22...e5!?=+) 23.Nc5+= b4 24.Bb7 (worse 24.Nd7 Kd7 25.cb4 A) worse 25...Bd4 26.b5 (worse 26.Nd4 Nd4 27.Rb1 e5=+) 26...Nb4 27.Ra4+= (worse 27.Nd4 Na2 28.Re6 Rb6=+); B) 25...Rb4-/+) 24...bc3 25.Bc6 Kc6 26.Nd7 Kd7 27.Ra7 Kd8 28.Re6 Rb1 29.Kg2 c2 30.Rd6 Ke8 31.Re6 Kd8 32.Rd6 ½–½. Schulz,Michael (2260) – McDonald,Neil R (2390), Hastings Challengers, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 f5 10.ef6 Bf6 11.Bh6 gh6 12.Ne5? 0-0 (better 12...Be5!? 13.de5 Qg5-/+) 13.f4= Be5 14.fe5 Qg5 15.Ra2 (15.Qd2 a5=) 15...Bd7=+ 16.Qd2 Qg7 (16...b5 17.Kd1=+) 17.Qe3 Ne7 18.Nd2 Nf5 (18...Qg5 19.Qg1=) 19.Qe2+= Rac8 20.0-0 (20.Ra7 Nd4 21.Bh7 Kh8-+) 20...a6 21.Bf5 Rf5 22.Rf5 ef5 23.Qf3 Kh8 24.Nf1 (24.Rb2 Bb5+=) 24...Be6= 25.Ng3 Attacking the isolated pawn on f5 (25.Rb2 Rc6=) 25...Qg4 26.Ra3 Qg5 (26...Qf3 27.gf3 Kg7 28.Kf2=) 27.Ne2+= Qd2 28.h3 Rf8 Black plans f4 (28...Rc6 29.Kh2+=) 29.Kh2 f4 30.Rb3 Qe3 (better 30...b5!?+-) 31.Rb7+- a5 (31...Bc8 32.Rc7 Be6+-) 32.Ra7 Qd2 (32...a4 33.Ra4 Bd7 34.Rb4+-) 33.Ra5 Bf5 (33...Qe3+-) 34.Qf4 (34.Rd5?! Bd3 35.Ng1 Rg8+-) 34...Qe2 (34...Qf4 35.Nf4 Be4 36.Nd5 Rf2+-) 35.Qh6 (35.Rd5?! Rg8 36.Qf3 Rg2 37.Qg2 Qg2 38.Kg2 Be4 39.Kf2 Bd5+-) 35...Kg8 36.Ra7 (36.Rd5?! Be4 37.Qg5 Bg6+-) 36...Rf7 (36...Bd7 37.Rd7 Qg2 38.Kg2 Rf2 39.Kf2 Kh8 40.Qh7) 37.Ra8 (37.Ra8 Bc8 38.Rc8 Rf8 39.Rf8) 1–0. Chikovani,Vakhtang (2065) – Ozkan,Ervin (2225), Albena Masters Open, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.Bd3 f5 10.Bh6 gh6 11.Qd2 Bf8 12.0-0 Bd7 (12...Rg8 13.c4=) 13.Be2 (13.c4 Qb6 14.Qe3 Nb4+=) 13...Bg7 (13...Rg8 14.Qb2=) 14.c4 Ne7 15.Na3 a6 16.Rfb1 Bc6 17.c5 0-0 18.Nc2 Ng6 ½–½. Korchmar,V (2215) – Delemarre,J (2455), Aeroflot Open B, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nc6)

    9.h4 Qc7 10.Bd3 (10.Bh6 gh6 11.Qd2 h5=) 10...Bd7 (10...Ng4 11.Ba3=+) 11.0-0 (11.Bh6 gh6 12.Qd2 h5=) 11...0-0-0 (better 11...Nf5-/+) 12.Na3 a6 13.Bf4 (13.Bh6 gh6 14.c4 f6=) 13...f5 (13...Nf5 14.Bg5=) 14.Qe2 (14.ef6 Qf4 15.fe7 Ne7+=) 14...Be8= 15.Rfb1 (15.Bh6 gh6 16.Qe3 Bh5=) 15...Kd7 16.c4 dc4 17.Nc4 (better 17.Bc4 Bh5 18.Nc2=) 17...Nb4?? (17...Bh5 18.Qe3 b5+=) 18.Nd6 Qc3? (18...Nd3 19.Qd3 Nf7 20.Rb7 Bd6 21.Rc7 Bc7 22.d5 Ne5 23.Ne5 Be5 24.Be5+-) 19.Rb4! Qb4 (19...Qb4 20.Rb1 Decoy) 20.Rb1 Bd6 (20...Qb1 21.Bb1 Bh5+-) 21.ed6 (21.Rb4?! Bb4 22.Bg5 Ra8+-) 21...Qa4 (21...Qb1 22.Bb1 Kc8+-) 22.Rb7 Kc8 23.Rc7 (23.Ba6 Rd6 24.Bd6 Qd1 25.Qd1 Bc6 26.Ne5 Bb7 27.Qa4 Ba6 28.Qd7) 23...Kb8 24.d7 Ka8 25.Be4 (25.Be4 Kb8 26.Qb2 Qb5 27.Rb7 Ka8 28.Rb5 Ka7 29.Rf5 ef5 30.Qb7) 1–0. Dovzik,Juri (2375) – Seknadje,Jose (2180), Gyongyos op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.h4 Bd7 10.Bd3 b5 11.Na3 b4 12.Nb5 (12.Bh6 gh6 13.Nb1 a5=+) 12...bc3 (12...a6 13.Bh6 gh6 14.Nd6 Bd6 15.ed6 bc3 16.Qb3-/+) 13.Bg5 f6 14.ef6 Bf6 15.Nd6 Ke7 16.Qc1? (better 16.Bf6 gf6 17.Nb5=+) 16...Kd6-+ 17.Qa3 Kc7 18.Bf4 e5! 19.de5 (19.de5 Qe7 Pinning (19...Qe7 Decoy); 19.Ne5 Nd4 Deflection; 19.Be5 Be5 Combination) 19...Qe7 20.Qc3 Ng4 21.0-0 Nge5 22.Ne5 Be5 23.Rfe1 Rhe8 (23...d4 24.Qc4 Rhe8 (24...Qh4 25.Be5 Kd8 26.Bg7+-) 25.Re5 Qe5 26.Be5 Re5+/-) 24.Be5+/- Qe5 25.Re5 Re5 26.Rc1 Rae8 (26...Kd8 27.Qc5 g6 28.Qf8 Re8 29.Qf6 Kc7 30.Qf4 Kd8 31.Bb5+-) 27.Bb5 (27.Qa5 Kd6 28.Qc5 Kc7 29.Qa7 Kd6 30.Qc5 Kc7+-) 27...d4 (better 27...R8e6!?+/-) 28.Qa5+- Kd6 (28...Kb8 29.Qa4 Re1 30.Re1 Re1 31.Kh2 Rc1+-) 29.Qa3 Kd5 (29...Kc7 30.Qa7 Kd6 31.Bc6 Bc6 32.Qd4 Kc7+-) 30.Bc6 (30.Bc4 Ke4 31.Qf3) 30...Bc6+- 31.Qc5 Ke6 32.Qc6 Kf5 (32...Kf7 33.Qc4 R5e6 34.f4+-) 33.Qd7 Ke4 (33...Kf6 34.Rc6 R8e6 35.Re6 Re6 36.Qd4 Kf7 37.Qa7 Re7 38.Qa2 Kf8 39.Qa8 Kf7 40.Qd5 Kf8 41.Qf5 Kg8+-) 34.Re1 Kd3 35.Rd1 Ke2 (35...Kc4 36.Qd4 Kb5 37.Rb1 Kc6 38.Rc1 Kb7 39.Qd7 Ka6 40.Qc6 Ka5 41.Ra1 Kb4 42.Rb1 Ka5 43.Qc7 Ka4 44.Qc4 Ka5 45.Qa2) 36.Qd4 (36.Qd4 a5 37.Qd3; 36.Qg4) 1-0. Williams,Si1 (2460) - Kraai,J (2425), Titled Tuesday 2nd June, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7)

    9.h4 Nf5 10.g4 Nh4 11.Rh4 Bh4 12.g5 Bf2! 13.Kf2 f6 (13...Bd7 14.Ke1-/+) 14.gf6 gf6 15.Bh6 (15.ef6 Qf6 16.Ke1 Rg8=+) 15...fe5 16.Bg7 Rg8 17.Be5 Ne5 18.de5 (18.Ne5 Qh4 19.Ke3 Bd7-+) 18...Qb6-+ 19.Nd4 Qb2 20.Nd2 Rf8 (20...Qc3 21.N2f3-+) 21.Kg2 (21.Ke1!? Bd7 22.Rc1-/+) 21...Bd7 22.Rb1 Qc3 23.Qh5 Rf7 (23...Kd8 24.N2f3 Kc8 25.Qh7=+) 24.N2f3=+ Kf8 25.Rb7 Kg8 (better 25...Qe3-/+) 26.Rd7? (26.Ng5 Re7 27.Ngf3-/+) 26...Rd7-+ 27.Ne6 Qc2 28.Kh3 Qg6 (better 28...a5!?-+) 29.Qg6-/+ hg6 30.Bb5 Re7 (30...Rh7 31.Kg4 Rc8-/+) 31.Nf4 (31.Bc6 Rc8 (worse 31...Re6 32.Ba8 Rb6 33.Bd5 Kg7 34.Nd4+=) 32.Bd5 Kh7-/+) 31...a5 (better 31...Rf8!? 32.Kg4 Ref7 33.Ng6 Rf3-+) 32.Nd5-/+ Rea7 33.e6 a4 34.e7 (34.Bc6 Rb8 35.Nc3 a3-+) 34...a3-+ 35.Nf6?? (better 35.Bc4 Kg7 36.Ba2-+) 35...Kh8 36.Ne5 (36.Bc4 Re7 37.Nd5 Rh7 38.Kg3 a2 39.Ba2 Ra2-+) 36...a2 37.Nfd7 (37.e8Q Re8 38.Be8-+) 37...a1Q 38.Nf7 (38.Bd3 Kg7 39.Kg2 Qd4-+) 38...Kg7 39.Nd8 Qc3 (39...Ra3 40.Kg2 Qb2 41.Kg1 Rg3 42.Kf1 Ra1) 40.Kg4 (40.Kg2 Ra2 41.Kg1 Qg3 42.Kf1 Qf2) 40…Qd4 (40...Qd4 41.Kg3 Ra3 42.Kg2 Qb2 43.Kg1 Rg3 44.Kf1 Ra1; 40...Ra4 41.Ba4 Ra4 42.Kg5 Qe3) 0–1. Kieffer,C (2125) – Renard,S (1935), Open A Le Touquet FRA, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.h4 Nf5 10.g4 Nh4 11.Rh4 Bh4 12.g5 h6 13.Nh4 hg5 14.Ng2 (14.Nf3 g4 15.Ng1 Qh4-/+) 14...a6 (14...f6 15.Nd2-/+) 15.Nd2 (15.Qg4 f6-/+) 15...f6 16.f4 (better 16.Qc2!? Qc7 17.Nf3-/+) 16...gf4-+ 17.Qg4 g5 (worse 17...fe5 18.Qg7 Rf8 19.Ba3-/+) 18.Nf3 Qc7 (18...fe5 19.de5 Rh1 20.Qg5 Qg5 21.Ng5 Ne5 22.Bf4-+) 19.ef6 (19.Bb5 Kd8 20.Bc6 Qc6 21.Kd2=+) 19...Nd8?? (better 19...Nd4 20.f7 Kf7 21.cd4 Qc3 22.Ke2 Qa1 23.Ng5 Ke8 24.Qf4 Rf8-+) 20.Kf2?? (20.Bb5 Bd7 21.Bd7 Kd7 22.Ne5 Kc8 23.Kd2-/+) 20...Nf7 (better 20...Qc3 21.Rb1 e5 22.Qg5 Nf7-+) 21.Ng5?? (21.Bb5 A) 21...ab5 22.Ra8 Qc6 23.Ng5 Ng5 24.Qg5 Qc3 25.Bf4 (25.Qf4?! Qc2 26.Qd2 Qd2 27.Bd2 Kf7+-) 25...Qc2 26.Kg3 Qc3 27.Be3 Qc7 28.Nf4+-; B) 21...Kd8 22.Ng5 Nd6 23.Qe6 Ne4 24.Qe4 de4 25.Bf4 e3 26.Kg1 Qf4 27.Nf7 Kc7 28.Nf4 Rf8+-) 21...e5?? (better 21...Ng5 22.Qg5 Qc3=) 22.Bb5!+- Kd8 (22...ab5 23.Ra8 Pinning (23.Ra8 Deflection)) 23.Nf7 Qf7 24.Qg7 Qg7 25.fg7 Rg8 26.de5 f3 27.Nf4 (27.Kf3 Rg7 28.Nf4 Bg4 29.Ke3 Rc8+-) 27...Rg7 (27...Bg4 28.Nd5 Rg7 29.Bh6+-) 28.e6 Rg4 (better 28...Rg5 29.Bd3 Re5+-) 29.Ke3?? (better 29.Be3!? Rf4 30.Bf4 Be6 31.Kf3+-) 29...Rg5 (better 29...Rf4 30.Kf4 ab5-/+) 30.Kf3+- Re5 31.Be3 (31.e7 Re7 32.Nd5 Re5+-) 31...d4 (31...Be6 32.Bb6 Kc8+-) 32.e7!+- (worse 32.Bd4 Rb5 33.Rg1 Ke7=+) 32...Re7 (32...Ke7 33.Ng6 Double attack (33.cd4 Zwischenzug); 32...Re7 33.cd4 Zwischenzug (33.cd4 Passed pawn)) 33.Bd4 Rf7 34.Bc4 Rf5 35.Bd3 Rf8 36.Ke3 (36.Be4 Kc7+-) 36...Bd7 (better 36...Bf5!?+-) 37.Nd5+- Rc8? (37...Be6 38.Nb6 Ra7+-) 38.Bb6 Ke8 39.Kd4 (better 39.Bg6 Rf7 40.Nf6 Ke7 41.Nd7+-) 39...Bc6?? (better 39...Be6 40.c4 Rc6+-) 40.Re1+- Kf7 41.Re7 Kg8 42.Bh7 Kh8 43.Ke5 (43.Ke5 Rce8 44.Bf5 Bd5 45.Re8 Re8 46.Kd5+-) 1–0. Bespalov,A (2295) – Yudin,S (2335), ch–NR Novosibirsk RUS, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.h4 Nf5 10.h5-/+ 0-0 11.g4 Nh4 12.Rh4 Bh4 13.g5 f6=.

    9.h4 Nf5 10.h5 Bd7 11.Bd3 Na5 (11...a5 12.0-0-/+) 12.g4 (12.0-0 a6=+) 12...Nh6 13.Rg1 Nc4 (13...Qb6 14.Ba3=+) 14.Qc2=+ b5 (14...a5 15.Bh7 a4 16.Bd3=+) 15.Bh7= b4 16.Bd3 (16.g5 Nf5 17.Bf5 ef5=) 16...a5 (16...Rc8 17.g5 Nf5 18.h6-/+) 17.Nbd2 Rc8 18.Nc4 dc4 19.Be4 b3 20.Qe2 (20.Qd2 Qb6=+) 20...a4 21.g5 Nf5 22.Bf5 ef5 23.g6 fg6 (23...Qa5 24.Kd2 fg6 25.e6-/+) 24.Rg6 (24.e6 Bc6 25.Rg6-/+) 24...Qa5-/+ 25.Rg7?? (better 25.Bb2 a3 26.Nd2-/+) 25...Qc3-+ 26.Qd2 Qd2 (26...Qf3 27.Re7 Ke7 28.Ba3 Ke6 29.Qb4-+) 27.Bd2 (27.Kd2 c3 28.Kd3-+) 27...c3 28.Re7 (28.Bf4 b2 29.Re7 Ke7-+) 28...Ke7 29.Bg5 (29.d5 b2 30.Bc3 Rc3-+) 29...Kf7 30.d5 (30.e6 Be6 31.Ne5 Ke8 32.Ra4 Rh5 33.Bd2-+) 30...b2 31.e6 Be6 32.de6 Ke6 33.Nd4 Kf7 (33...Kf7 34.Rc1 Rh5-+) 0–1. Kadas,Gabor (2270) – Boricsev,Oleg (2355), HUN–ChT2, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    9.h4 Nf5 10.h5 h6 11.Bd3 a6 12.0-0 Bd7 13.Nbd2 Na5 14.g4 Nh4 15.Nh4 Bh4 16.f4 Rc8 17.Qc2 Qc7 18.Nf3 Be7 19.Bd2N Nc4 20.Bc1 Na5 (20...Qc6 21.Qa2-/+) 21.Qb1 (21.Bd2 Ra8-/+) 21...Nc4 22.f5 (22.Qc2 Qc6 23.Qe2-/+) 22...Qc6 23.Ra2 b5 24.Rg2 White prepares the advance g5 24...a5 25.f6 (25.Ra2 a4-+) 25...gf6 26.ef6 Bf6 27.g5 hg5 28.Ng5 Na3?? (better 28...Bg5 29.Bg5 Rf8-+) 29.Ba3= Bg5 30.Rg5 Qc3 31.Bc5 Qd2 32.Rg3 b4 (32...Rc5 33.dc5 Rh5 34.Rf2=) 33.Bg6 (33.Rf7 Rc5 34.dc5 Kf7 35.Qf1 Ke7 36.Rg7 Kd8 37.Qf6 Kc8 38.Ba6 Kb8 39.Qe5 Ka8 40.Bb7 Kb7 41.Rd7 Kc6 42.Qe6 Kb5 43.Rd5 Qc1 44.Kg2 Qc2 45.Kg3-+) 33...fg6= 34.Qg6 Kd8 35.Bb6 Ke7 36.Bc5 Kd8 37.Qf6 Kc7 38.Qe5 (38.Qe7 Qh6 39.Bd6 Kc6=) 38...Kb7=+ 39.Rf7 Qd1 The isolani on h5 becomes a target 40.Kg2 Qc2 41.Kh3 Rh7 42.Rd7 Rd7 43.Qe6 Qh7 (43...Qa4 44.Qb6 Ka8 45.Qa6 Kb8 46.Rg6+-) 44.Rg6 (better 44.Qb6!? Ka8 45.Qa5 Ra7 46.Qa7 Qa7 47.Ba7 Ka7 48.Kg2=) 44...Rcc7 45.Kh4 b3 (better 45...Rc5!? 46.Qb6 Kc8 47.Qc5 Rc7 48.Qd5 Qe7 49.Kg4 Qd7 50.Qf5 a4=) 46.Qb6 Kc8 47.Qa5 Rb7 48.Qa8 Kc7 49.Qa6 (better 49.Qf8 Rd8 50.Bb6 Rb6 51.Qc5 Kd7 52.Qb6 Qe7 53.Kh3 Qe3 54.Rg3 Qe6 55.Qe6 Ke6 56.Rb3+-) 49...b2?? (better 49...Kb8 50.Re6 Qh8 51.Bd6 Rd6 52.Qd6 Ka7 53.Qd5 b2+=) 50.Bd6 (50.Rc6 Kb8 51.Ba7 Ka8 52.Rc8 Rb8 53.Rb8) 50...Rd6+- 51.Qd6 Kc8 52.Qf8 Kc7 53.Qf4 (better 53.Rg7 Qg7 54.Qg7 Kb8 55.Qf8 Ka7 56.Qc5 Kb8 57.Qd6 Ka7 58.Qa3 Kb8 59.Qg3 Ka7 60.Qa3 Kb8 61.Qd6 Ka7 62.Qc5 Kb8 63.Qd6=) 53…Kc8= ½–½. Chuprov,Dmitry (2525) – Kiselev,Vitaliy1 (2385), Voronezh op–A, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.d4 Nc6 7.ab4 Bb4 8.c3 Be7)

    9.h4 f6 10.Bh6 (10.ef6 Bf6 11.Bh6 gh6=) 10...gh6 11.Bb5 (11.ef6 Bf6 12.Bb5 0-0=) 11...Bd7 (11...0-0 12.ef6 Bf6 13.Qe2=) 12.Bc6 (12.ef6 Bf6 13.Bc6 Bc6=) 12...Bc6 13.Qc1 (13.ef6 Bf6 14.Qd2 Qb6=) 13...Bf8 14.Qf4 f5 15.Nbd2 (15.g4 Qb6 16.Nbd2 fg4=) 15...Rg8 16.g3 Qc7 (16...Bb5 17.Qe3=+) 17.Qe3 Bb5 18.Nb1 Rg4 19.Nfd2 Qg7 (better 19...a5=+) 20.c4? (better 20.Rh3=+) 20...dc4-+ 21.Nc3 (21.Rh3 Bc6 22.Qc3 b5-+) 21...Bc6 22.Rh3? (22.Rf1 b5 23.Ne2-+) 22...f4 23.gf4 (23.Qe2 fg3 24.fg3 Rd4 25.Qh5 Qg6 26.Qg6 hg6-+) 23...Rg1 24.Nf1 Bg2 25.Rg3 (25.Ke2 Qg4 26.Rf3 Be7-+ (26...Bf3?! 27.Qf3 Qf3 28.Kf3-+; 26...Qf3?! 27.Qf3 Bf3 28.Kf3-+)) 25...Rf1 (worse 25...Bf1 26.Rg7 Bg7 27.f3+-) 26.Ke2 Ra1 27.Rg7 Bg7 28.Qg3 Bf1 29.Kd2 Bf8 (29...Kf8 30.f5 ef5 31.Qf3-+) 30.d5 (30.Qg4 Ra6 31.Qh5 Ke7-+) 30...0-0-0 31.Qg4 (31.d6 Bd3-+) 31...Bb4 32.Qe6 Kb8 33.Kc2 White intends d6 (33.Qf6 Rf8 34.Qh6-+) 33...Bd3 34.Kb2 Ra6 35.d6 (35.Qa6 ba6 36.d6-+) 35…Ba3 (35...Ba3 36.Ka1 Bc1 37.Na2 Bd2 38.Qc4 Bc4 39.Kb1 Bd3 40.Kb2 Rb6 41.Nb4 Rb4 42.Ka3 a5 43.h5 Bc4 44.f5 Bc1) 0–1. Boehmer,C (2155) – Tarlev,K (2540), 2nd Bundesliga Sud, 2017. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7)

    9.h4 Ng4 10.Bb5 (10.Bd3 f6=+ 11.Ng1 f5 12.g3 h5 13.f3 Nh6=+; 10.Ba3 0-0 11.Bd3 f6 12.Ng5 h5 13.Nh7 Ba3=+) 10...Qb6 (10...Bd7 11.Bd3-/+ f6 12.Nh2 Nh2 13.Qh5 Kf8-/+; 10...0-0 11.Ng5 f5 12.Ba3 h6 13.Bc6 hg5-/+) 11.Qd3 (11.Bd3 Bd7=+ (11...f5 12.Nbd2 0-0 13.Ba3 Ba3=+) 12.Ba3 Ba3 13.Ra3 f6=+) 11...Bd7-/+ 12.Ba4 (12.Qe2 0-0 13.Bd3 Rfc8-/+) 12...h5 (12...Nb8 13.Bc2-/+ Bb5-/+) 13.0-0 (13.Ba3 Qa5=+) 13...Na5 (13...Qa5 14.Ra2=+) 14.Bd7 Kd7 15.Ba3 a6 16.Nbd2 Qc7 (16...Ba3 17.Ra3 Qc7 18.Rfa1=) 17.Ng5 (17.Rfb1 Ba3 18.Ra3 b6=) 17...Nh6 (17...Bg5 18.Bd6 Qc8 19.hg5+=) 18.Bd6 (18.Be7 Ke7 19.Rfb1=+) 18...Qd8 (18...Bd6!? 19.ed6 Qd8=+) 19.Be7= Ke7 20.c4 (20.Qb1 Kd7=) 20...Nc4 21.Nc4 dc4 22.Qc4 Kf8 (22...Ke8 23.Rfb1 Qd7 24.Qb4=) 23.Rfc1 (23.Rfb1 b5 24.Qc6 Qc8 25.Qc8 Rc8 26.Ra6 Rb8+-) 23...g6 (better 23...Nf5!?=+) 24.Qb4+- Kg7 (24...Qe7 25.Qb6 Rd8 26.Rc7+-) 25.Qb7 Qe8? (better 25...Qd5 26.Qd5 ed5+-) 26.Rc7+- (26.Ra6?! Ra6 27.Qa6 Qd7+-) 26...Rf8 (26...Kg8+-) 27.Re7 (27.Ra6?! Ra6 28.Qa6 Kg8+-) 27...Qc8 28.Ne6 Kg8 29.Nf8 Qf8 (29...Kf8 30.d5+-) 30.Rc1 (better 30.e6 f6+-) 30...Nf5 (30...Rb8 31.Qc7+-) 31.Rec7 (better 31.Rf7! Qf7 32.Qa8 Kh7+-) 31...Re8 32.Rc8 Kg7 33.Qa6 Nd4 (33...Rc8 34.Rc8 (worse 34.Qc8 Nd4 35.Qf8 Kf8+-) 34...Qe7 35.Rb8 Qh4 36.d5+-) 34.Re8 (better 34.Qa8! Rc8 35.Rc8 (35.Qc8?! Ne2 36.Kf1 Nc1 37.Qc1 Qb4+-) 35...Qc8 36.Qc8+-) 34...Qe8 35.Qf6 Kg8 36.Rd1 (36.Rc7 Nf5+-) 36...Ne6 37.Rd6 Kh7 (37...Qc8 38.Rd5+-) 38.g3 (38.Ra6 Kg8+-) 38...Kg8 39.Ra6 Nf8 (39...Nc7 40.Ra5+-) 40.Ra7 Nh7 41.Qd6 Qc8 42.Rc7 (42.Re7 Nf8 43.Qf6 Qf5 44.Rf7 Qf6 45.Rf6 Kg7 46.Rf8 Kf8+-) 42...Qf5 43.Re7 Qb1 44.Kh2 Qf5 45.Qc5 (better 45.Qd4!? Kf8 46.Qa7 Kg8+-) 45...g5 (45...Nf6 46.f3 Kh8 47.Qc4+-) 46.Re8 (46.Qd4 gh4 47.Re8 Kg7 48.gh4 Qf3+-) 46...Kg7 47.Qd4 Kh6 (47...gh4 48.gh4 Qf3+-) 48.Rg8 Qe6 (48...f6 49.Qa7 Qg6 50.Rg6 Kg6 51.e6 gh4 52.e7 Kh6 53.e8Q hg3 54.Kg3 Ng5 55.Qf8 Kg6 56.Qg8 Kf5 57.Qc5 Ke4 58.Qgd5) 49.Qd6 gh4 50.Qe6 (50.Qe6 fe6 51.gh4+-; 50.Qd2 Ng5 51.Qg5 Kh7 52.Qg7) 1–0. Fomina,T (2210) – Voronova,T (2225), SenWM Women, Bad Zwischenahn GER (9), 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7)

    9.Bd3 Nf5

    10.0-0 a6 11.Na3 Bd7 12.Nc2 b5 13.Ne3 Ne3 14.Be3 b4 15.Ra6 Ra6 16.Ba6 bc3 17.Qb3 Qa5 18.Bb5 0-0 19.Bc6 Bc6 20.Rc1 Bb4 21.Rb1 Ra8 22.g3 Ba3 23.Bc1 Bf8 24.Ne1 Ba4 25.Qa2 Bd1 26.Qa5 Ra5 27.Be3 c2 28.Rb8 f6 29.ef6 Kf7 (29...gf6 30.Bh6 Kf7 31.Rf8 Kg6 32.Bd2+=) 30.fg7 Bg7 31.Rc8 Ra1 32.Kg2 Ra2 33.Nf3 Bf3 34.Kf3 Ra4 (better 34...Kg6-/+) 35.Rc2+= Bd4 36.Rc7 Kg6 37.Re7 e5 38.Rd7 Be3 39.Ke3 Ra3 40.Ke2 Ra2 41.Kf3 Ra3 42.Kg4 h5 43.Kh3 Rd3 44.Kg2 Kf5 45.h4 Kf6 46.Rd6 Kg7 47.Kf1 e4 48.Ke2 Kh7 49.Rb6 Kg7 50.Ra6 Kh7 51.Ra2 Kg6 52.Rd2 (better 52.Ra6 Kf7 53.Rh6=) 52...Rd2-/+ 53.Kd2 d4 ½–½. Nytra,Matej (1755) – Seidl,Antonin (1955), Morava–ch U16, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.0-0 a6 11.Nbd2 0-0 12.Qc2 h5 (12...f6 13.ef6 Rf6 14.Nb3=+) 13.Ba3= Bd7 14.Be7 Nce7 15.Rab1 (15.Rfb1 Qc7=) 15...Qc7=+ 16.Ng5 (16.Qb2 Rfc8=+) 16...Rac8 (16...b5 17.Nb3=+) 17.Rfc1 a5 ½–½. endre969 (2735) – juliangon (2640), ChessWorld.net, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    10.0-0 a6 11.g4 Nh4 12.Nh4 Bh4 13.f4 Be7 14.Ra2 Bd7 15.Ba3 (15.f5 b5-/+) 15...Ba3 16.Na3 b5 17.Nc2 Qb6 (17...0-0 18.g5=+) 18.Be2 (18.Qf3 Ra7=+) 18...Ra7 (18...0-0 19.Bd3-/+) 19.Kh1 (19.Bd3 0-0-/+) 19...Rc7 (19...Ne7 20.Bd3-/+) 20.Qd2 (20.Qa1 Bc8=+) 20...Ne7 21.Rfa1 Bc8 (better 21...Ra7=+) 22.Nb4+= Ra7 23.Bf3 (better 23.Ra5+=) 23...Bb7 (23...0-0 24.Nd3-/+) 24.Bg2 0-0 25.Rf1 (25.Nd3 Rc8=+) 25...f5 (25...a5 26.Nd3-/+) 26.ef6 Rf6 27.f5 (27.Nd3!?-/+) 27...a5-+ 28.Nd3 ef5 29.g5 Rf8 30.Ne5 (30.Nc5 Ba8-+) 30...Ba8 (30...Qd6 31.Rb1 Bc6 32.Bf1-+) 31.Qe2 (31.Qd3 b4-+) 31...Ng6 (31...a4!? 32.Rf4-+) 32.Ng6-/+ hg6 (32...Qg6?! 33.Qb5 Qg5 34.Bd5 Kh8 35.Ba8 Raa8 36.Ra5 Ra5 37.Qa5=) 33.Qe5 (33.Rb2!?-/+) 33...Qc6-+ 34.Re1 (34.Qg3 a4-+) 34...Qc3 35.Bd5 Raf7 (35...Kh7 36.Ba8 Raa8 37.Rea1-+) 36.Ba8 Ra8 37.Rae2 (37.Raa1 b4-+) 37...Qf3 38.Rg2 (38.Kg1 b4-+) 38...Qb7 (38...b4 39.Re3 Qc6 40.d5-+) 39.d5 (39.Kg1 f4-+) 39...Rd8 (39...Qd7 40.d6-+) 40.Rd2 Qd7 (40...Rfd7 41.Qe6 Kf8 42.Red1-+) 41.d6 (41.Qf4 Re7 42.Rb1 b4-+) 41...Qc6 (41...f4 42.Qd5-+) 42.Kg1 Qc4 (42...f4!? 43.Qe6-+) 43.Rd4-/+ Qc3 44.Re3 (44.Red1!?-/+) 44...Qc1-+ 45.Kf2 Qb2 (45...f4 46.Ree4 Qh1 47.Qb5 Qh2 48.Kf3 Qg3 49.Ke2 f3 50.Kd1 f2-+) 46.Re2-/+ Qb3 47.d7 Rff8 48.Qc7 (48.Re3 Qc2 49.Kf1 Qc1 50.Kf2 Qc6=) 48...Qf7 (48...a4!?-/+) 49.Qd6=+ a4 (49...f4!?=+) 50.Rd5= f4?? (better 50...Kh8=) 51.Re7+- 1–0. Jacke,Corinna (2030) – Gempe,Anet (2010), GER, Frauenbundesliga Ost, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    10.0-0 b6 A) 11.Nbd2 A1) 11...a6 12.Qb3 (12.Ba3 Ba3 13.Ra3 0-0 14.Qc2 f6 15.Re1 fe5 16.Ne5 Ne5 17.Re5=+ –0.28; 12.Qe2 0-0 13.Ba3 Ba3 14.Ra3 Bb7 15.Rfa1 Qe7 16.Nb3 f6 17.ef6= –0.19; 12.Qa4 Bd7 13.Qa2 Na5 14.Ba3 Ba3 15.Qa3 Bc6 16.Rfe1 Nc4 17.Qb3= –0.03; 12.Qc2 0-0 13.Ba3 Ba3 14.Ra3 f6 15.Re1 fe5 16.Ne5 Ne5 17.Re5=+ –0.28) 12...Na5 13.Qc2 Qc7 14.Ba3 Ba3 15.Ra3 h6 16.Qa4 Bd7 17.Qb4= 0.00; A2) 11...Qc7 12.Qc2 (12.Qb3 Na5 13.Qc2 a6 14.Ba3 Ba3 15.Ra3 h6 16.Qa4 Bd7 17.Qb4= 0.00; 12.Ba3 Ba3 13.Ra3 0-0 14.Re1 Rd8 15.Qe2 Bd7 16.Rb1 Nce7 17.Ng5=+ –0.31; 12.Bf5 ef5 13.Qb3 Be6 14.Ba3 0-0 15.Be7 Qe7 16.Ra6 Rfe8 17.Qb5=+ –0.66) 12...a6 13.Ba3 Ba3 14.Ra3 Ra7 15.Qa2 0-0 16.Bf5 ef5 17.Qd5= 0.16; A3) 11...Bb7 12.Re1 (12.Qb3 Qd7 13.Ba3 0-0 14.Be7 Nce7 15.Qc2 Kh8 16.Ra2 Rfc8 17.Qb3=+ –0.47; 12.Ba3 Ba3 13.Ra3 Qe7 14.Ra2 0-0 15.Qc2 f6 16.Re1 Rac8 17.Qb1= –0.19; 12.Bf5 ef5 13.Ba3 Ba3 14.Ra3 0-0 15.Qb3 Re8 16.Rd1 Qd7 17.Rda1=+ –0.50; 12.Qc2 Qd7 13.Ba3 Ba3 14.Ra3 Rc8 15.Qa4 0-0 16.Rfa1 Rfd8 17.Qb5=+ –0.31) 12...a6 13.Ba3 0-0 14.Qb1 Ba3 15.Ra3 g6 16.Qa1 a5 17.Bf5= 0.00; A4) 11...0-0 12.Re1 (12.Qe2 Qc7 13.Ba3 Rd8 14.Rfb1 Ba3 15.Ra3 Bb7 16.Rba1 Qe7 17.Qe1=+ –0.31; 12.Ba3 Ba3 13.Ra3 Qe7 14.Ra4 Rd8 15.Qb3 Qc7 16.Ra3 Na5 17.Qc2= –0.25; 12.Qb3 f6 13.Re1 fe5 14.Ne5 Ne5 15.Re5 Bf6 16.Re2 Bg5 17.Ba3= –0.25; 12.Qc2 a5 13.Ba3 Ba3 14.Ra3 Ba6 15.Bf5 ef5 16.Rb1 Ne7 17.Rab3=+ –0.31) 12...a6 13.Ba3 Qc7 14.Qb1 Ba3 15.Ra3 h6 16.Qa2 Rd8 17.Ba6= –0.09; B) 11.Qa4 B1) 11...Qc7 12.Qa2 (12.Bf5 ef5 13.Ba3 0-0 14.c4 Bd7 15.Be7 Ne7 16.Qa3 Be6 17.c5=+ –0.62; 12.Ba3 0-0 13.Qc2 Kh8 14.Nbd2 Ba3 15.Ra3 f6 16.Re1 fe5 17.Ne5= –0.25; 12.Nbd2 0-0 13.Ba3 Bd7 14.Qc2 Ba3 15.Ra3 f6 16.Re1 fe5 17.Ne5=+ –0.37; 12.Na3 0-0 13.Nb5 Qd7 14.Ba3 Ba3 15.Ra3 f6 16.c4 fe5 17.de5=+ –0.50) 12...Qd7 13.Ba3 0-0 14.Qc2 Ba3 15.Na3 Kh8 16.Nb5 Na5 17.Rfb1= –0.09; B2) 11...Bb7 12.Ba3 Qd7 13.Qc2 Ba3 14.Na3 Nce7 15.Rfb1 Bc6 16.Rb4 Qd8 17.Rbb1= 0.00; B3) 11...Bd7 12.Qb3 (12.Qa2 Nh4 13.Nh4 Bh4 14.Be3 0-0 15.Qc2 h6 16.Nd2 Be7 17.Nf3=+ –0.53; 12.Qc2 Rc8 13.Qb3 Na5 14.Qa2 Nh4 15.Nh4 Bh4 16.Qe2 0-0 17.Qh5=+ –0.41) 12...Na5 13.Qa2 Bc6 14.Ba3 Ba3 15.Na3 Nh4 16.Qe2 0-0 17.Nd2=+ –0.28; B4) 11...Qd7 12.Ba3 (12.Bg5 Bg5 13.Ng5 0-0 14.g4 h6 15.Nf7 Nfd4 16.cd4 Rf7 17.f4=+ –0.59) 12...0-0 13.Qc2 Ba3 14.Na3 f6 15.Rfe1 fe5 16.Ne5 Ne5 17.Re5=+ –0.31; C) 11.Ba3 0-0 12.Re1 (12.Be7 Nce7 13.Qc2 Ng6 14.Nbd2 Nf4 15.Bf5 ef5 16.Rfb1 Qc7 17.g3=+ –0.62; 12.Nbd2 Ba3 13.Ra3 f6 14.Re1 Qc7 15.Qb3 fe5 16.Ne5 a5 17.Ndf3= –0.25; 12.Qc2 Ba3 13.Na3 f6 14.Rfe1 fe5 15.Ne5 Ne5 16.Re5 Bd7 17.Rae1=+ –0.34; 12.Qe2 Ba3 13.Na3 Nh4 14.Nh4 Qh4 15.Nb5 Bd7 16.Ra6 f6 17.ef6=+ –0.47) 12...a5 13.Qc2 Qc7 14.g4 Nh6 15.Bh7 Kh8 16.g5 g6 17.Bg6= 0.00.

    10.0-0 Rb8 11.g4 Nh4 12.Nh4 (12.Be3 Ng6 (12...Nf3 13.Qf3 Ra8 14.Nd2 0-0 15.Qh3 g6 16.Bh6 Re8 17.Qe3 a5=+ –0.47; 12...0-0 13.Nh4 Bh4 14.Nd2 Be7 15.f4 f6 16.Nf3 Ra8 17.Qb1 h6=+ –0.50) 13.Qe2 a6 14.Nfd2 b5 15.f4 Nf8 16.f5 Qd7 17.Qf3 Nd8=+ –0.53; 12.Nbd2 Ng6 (12...h5 13.Nh4 Bh4 14.gh5 Qg5 15.Kh1 Qh5 16.Qh5 Rh5 17.Nf3 Be7-/+ –0.78; 12...Nf3 13.Nf3 Bd7 14.Ba3 0-0 15.Be7 Qe7 16.g5 b5 17.Qc2 Kh8=+ –0.66; 12...Ra8 13.Ba3 Ba3 14.Ra3 Ng6 15.Bg6 hg6 16.c4 b6 17.Qb1 Bb7=+ –0.66) 13.Ba3 Nf4 14.Bb5 a6 15.Be7 Qe7 16.Bc6 bc6 17.Kh1 g5-/+ –1.13; 12.Qe2 Nf3 (12...0-0 13.Nh4 Bh4 14.Ba3 Be7 15.f4 Ra8 16.g5 f5 17.ef6 gf6= 0.00; 12...Ra8 13.Nh4 Bh4 14.f4 Bd7 15.g5 Qb6 16.Kg2 Na5 17.Ra2 Nc4+- 1.16; 12...Ng6 13.Qe3 b5 14.Ba3 a5 15.Be7 Qe7 16.Nbd2 Qc7 17.Rfb1 b4=+ –0.41) 13.Qf3 b5 14.Be3 0-0 15.Nd2 f6 16.Qe2 a6 17.ef6 Bf6-/+ –1.16) 12...Bh4 13.f4 Be7 (13...h5 14.g5 f6 15.Bg6 Kd7 16.Bh5 f5 17.Bf3 b5= 0.09) 14.f5 (14.Nd2 h5 15.g5 Qb6 16.Kg2 Bd7 17.g6 Qc7=+ –0.28) 14...b5 (14...h5 15.f6 gf6 16.ef6 Bd6 17.g5 Qc7=+ –0.50) 15.Qf3 (15.Bf4 Rb6 16.Nd2 b4 17.cb4 Nb4-/+ –0.78) 15...b4 16.f6 (16.Be3 b3 17.c4 h5-/+ –1.03) 16...gf6 17.ef6 Bf8 (17...Bd6-/+ –1.25) 18.Bf4 Rb6 19.Qe3 a5 (19...Qf6 20.Be5 Ne5 21.Rf6 Ng4 22.Qf4 Nf6 23.Qc7 Rg8 24.Kh1+-) 20.h4 Ba6 (20...Qf6 21.Bc7 Qh4 22.Qf4=) 21.Ba6 Ra6 22.g5 Qb6 23.Rd1 a4 24.cb4 Bb4 25.Nc3 Bc3 26.Qc3 0-0 27.Rab1 Qa7 28.Kh1 a3 29.Bd6 Ra8 30.h5 (30.Ba3 Ra3 31.Qb2-+) 30...Nd4-+ 31.Rd4 Rd6 32.g6 a2 33.Ra1 Qa3 34.Qc7 hg6 35.hg6 Qh3 36.Kg1 Qg3 37.Kh1? (better 37.Kf1 Qf3 38.Ke1-/+) 37...Qf3-+ 38.Kh2?? (38.Kg1 Qf6 39.gf7 Kh8 40.Qc3=+) 38...Qh5 39.Kg3 (39.Kg1 Qg6 40.Kh2 Qh6 41.Kg2 Qg5 42.Kh1-+) 39...Ra3 40.Kf2 (40.Qc3 Rc3 41.Kf2 Qh2 42.Kf1 Rc2 43.Rd2 Qd2 44.gf7 Kf7 45.Ra2 Qd1) 40...Rf3 (40...Qf3 41.Kg1 Qg3 42.Kh1 Qh3 43.Kg1 Rg3 44.Kf2 Qh2 45.Ke1 Rg1) 41.Ke1 Qe5 (41...Qe5 42.Kd1 Qd4 43.Kc1 Qe3 44.Kd1 Rf1 45.Kc2 Rf2 46.Kd1 Qd2) 0–1. Olsarova,Tereza (2250) – Baciu,Diana (2125), World Girls U20 Championship Czarna Poland, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.0-0 Bd7 11.Na3 0-0 12.Qb3=+.

    10.0-0 Bd7 11.Na3 a6 12.Nc2 Na5 13.Ne3 Ne3 14.fe3 Bb5 15.Ne1 (15.Bb5 ab5 16.Qd3 Nc4 17.Ra8 Qa8=+) 15...0-0 16.Rf3 (16.Bb5!? ab5 17.e4=+) 16...Bd3-/+ 17.Nd3 Rc8 18.Bd2 Nc4 19.Rg3 f5 20.Nf4 Rc6 21.Be1 Bg5 22.Qh5 Bf4 23.ef4 Qe8 24.Qh4 Rb6 25.Rg5 Rb2 26.Qh3 a5 27.g4 fg4 28.Qg4 Qf7 29.Bg3 b5 30.Re1 a4 31.f5 a3 (31...ef5 32.Qf4 Qe6 33.Bf2-+) 32.f6 (better 32.fe6 Qe7 33.Bh4-/+) 32...g6-+ 33.h4 Kh8 (33...Ne3 34.Qf4 a2 35.Qe3-+) 34.h5 gh5 35.Qf4 a2?? (better 35...Rg8 36.Rg8 Kg8 37.Qg5 Qg6 38.f7 Kf7 39.Qf4 Ke8-+) 36.Rg7= Qg7 37.fg7 Kg7 38.Qg5 Kh8 ½–½. Dankert,Peter (2365) – Hort,Vlastimil (2575), Bundesliga, 1981. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.0-0 Bd7 11.Na3 a6 12.Nc2 Rc8 13.Ne3 (13.Ba3 Ba3 14.Ra3 Na7=+) 13...Ne3 14.fe3 Na5 15.Qe1 (15.Qc2 Nc4=+) 15...Nc4 (15...Qc7!? 16.Bb2 Nc4-/+) 16.Qg3= g6 (16...0-0 17.e4 f6 18.Qh3=+) 17.e4 de4 18.Be4 Bc6 19.Bd3 Bd5 20.h4 (20.Nd2 Nd2 21.Bd2 0-0=) 20...h6 (20...Qc7 21.Qg4=+) 21.h5 g5 22.Nh2 (22.Nd2 Nd2 23.Bd2 0-0=+) 22...Qc7 23.Ng4 (23.Qe1!?=+) 23...f5-/+ 24.Nh2 Kd7 25.Nf3 Qc6 26.Nd2? (better 26.Bc4 Bc4 27.Rf2-/+) 26...f4-+ 27.Qf2 (27.Qe1 Ne3 28.Bb2 Rhf8-+ (28...Nf1?! 29.Qf1 Qb6 30.Qb1-+)) 27...Ne3 (better 27...Ne5 28.de5 Qc3-+) 28.Nf3? (28.c4 Bg2 29.Re1-+) 28...Nf1 29.Qf1 Bf3 30.gf3 Qc3 31.Rb1 Qd4 32.Kg2 Rc7 (worse 32...Qe5 33.Bb2 Qc7 34.Qd1-+) 33.Qd1 (33.Bb2 Qe3-+) 33...Bc5 (33...Qe5?! 34.Bb2 Qd5 35.Bh8=) 34.Qf1 Ke7 35.Bb2 Qd7 (35...Qe3 36.Kh1-+) 36.Rd1 Rd8 37.Qe2 Qe8 38.Qe4 (38.Qc2 Kf8-+ (worse 38...Qh5 39.Rh1 Qe8 40.Rh6-+)) 38...Qf7 (worse 38...Qh5 39.Rh1 Qe8 40.Rh6-+) 39.Rc1 Qf5! (worse 39...Qh5 40.Ba3 b6 41.Rh1-+) 40.Ba3 (40.Qf5 ef5 Combination) 40...Qe4 (40...Rd3!? 41.Qf5 ef5 42.Rc5 Rc5 43.Bc5 Ke8 44.e6-+) 41.Be4 Rd2 42.Kh3 b6 43.Bb4 Ra2 0–1. Flament,Alexandre (2070) – Aurin,Manuel (2030), France, Nationale II Round, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.0-0 Bd7 11.Na3 Rc8 12.g4 (12.Bf5 ef5 13.Qb3 Qb6 14.Qb6 ab6=) 12...Nh4 13.Nh4 Bh4 (13...Ba3 14.Ba3 Qh4 15.f4=+) 14.f4 (14.Nb5!? Be7 15.Ba3=) 14...Be7-/+ 15.f5 h5 16.gh5 (16.fe6 Be6 17.g5 Bg4=+) 16...Na5 (16...ef5 17.Bf5 Bf5 18.Rf5-/+) 17.Qg4=+ Rc3 (17...Bf8 18.Nb5 Qb6 19.Nd6 Bd6 20.ed6+-) 18.Qg7 Rh5 (better 18...Rf8 19.fe6 Be6=+) 19.Nb5+- Bf8 (19...Rc6 20.Qg8 Bf8+-) 20.Nd6 Bd6 21.ed6 (21.ed6 Qe7 22.de7 Ke7 23.f6 Kd8 24.Qf7+-) 1–0. Kravtsiv,Martyn (2295) – Boukobza,Adrien (2150), European Youth Champonship, 2004.

    10.0-0 Bd7 11.Na3 h5 12.Nc2 Rc8 13.c4 Nh4 14.Nd2 Na5 15.cd5 ed5 16.Ne3 Qb6 17.g3 Nc6 18.gh4 Qd4 19.Nb3 Qe5 20.f4 Qd6 21.Ba3 Nb4 22.Bb2 (22.Bb4!? Qb4 23.Nd5+-) 22...Bh4 23.Be5 Qh6 24.Bb1 Attacks the isolani on d5 (24.Ra7 Nc6 25.Qa1 Na7 26.Qa7 0-0=) 24...0-0 25.Nd4 (worse 25.Ra7 Nc6 26.Ng2 Na7 27.Nh4 Rfd8-/+) 25...Rc3? (better 25...Nc6 26.Nef5 Qg6 27.Kh1 Qg4 28.Qg4 hg4 29.Nh4 f6 30.Nc6 Rc6+-) 26.Ndf5+- Qg6 27.Kh1 Qc6 28.Nd4 (28.Nh4 Re3 29.Qh5 d4 30.Nf3 d3 31.Bg7 Kg7 32.Rg1 Qg6+-) 28...Qh6 29.Nef5 Bf5 30.Nf5 (30.Bf5?! Bf6 31.Ra7 Be5 32.fe5 Nc6 33.Nc6 bc6+-) 30...Qc6 31.Nd4 (better 31.Nh4!? d4 32.Kg1 d3 33.Bc3 Qc3+-) 31...Qc4 32.Rg1 (32.Ra7?! Nd3 33.Kg2 f6+-) 32...Rc8 (32...Re8 33.Qh5 Re5 34.Qh7 Kf8 35.Qg7 Ke8 36.Qe5 Kf8 37.Nf5 Qe4 38.Be4 Bf6 39.Qd6 Ke8 40.Rg8) 33.Qh5 Rc1 34.Bh7 (34.Qh7 Kf8 35.Bd6 Ke8 36.Bf5 Rg1 37.Rg1 Be7 38.Qg8 Bf8 39.Qf8) 34...Kf8+- 35.Bg7 Ke8 36.Rac1 (36.Rac1 Qc1 37.Bf5 Qg1 38.Kg1 Rc1 39.Kg2 Rg1 40.Kg1 Bf2 41.Kf1 Ke7 42.Qe2 Kd6 43.Bf8 Kc7 44.Qe7 Kb6 45.Qb4 Kc7 46.Qd6) 1–0. Rieger,Martin – Jauernig,Udo (2215), Ruehrgebiet Stadtmeister–ch, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.0-0 Bd7 11.Qb3 Na5 12.Qa2 Nc4=.

    10.0-0 g6 11.Na3 h5 12.Nc2 Bd7 13.Bd2 b6 14.c4 Rc8 15.Bf5 gf5 16.cd5 ed5 17.Bf4 Be6 18.Ne3 Qd7 19.h4 a5 20.Ng5 Nb4 21.Qf3 Rc3 22.Ne6 fe6 23.Qg3 Kf7 24.Bg5 Bg5 25.hg5 Kg6 26.Rac1 Rhc8 27.Rc3 Rc3 28.Qh2 Qd8 (28...Kg5? 29.Qg3 Kh6 30.Nf5 ef5 31.Qc3+-) 29.g3 Qg5 30.Ng2 Nd3 31.f4 Qd8 32.Nh4 Kh6 33.g4? (better 33.Nf3-+) 33...fg4 34.f5 Qg5 35.fe6 Rc1 36.Nf5 Kh7 37.Rc1 (37.Qg2 Ne1 38.e7 Ng2 39.e8Q Rf1 40.Kf1 Qf5 41.Kg2-+) 37...Qc1 (37...Nc1 38.e7 Qg6 39.Nd6+-; 37...Qf5 38.Rc7 Kg6 39.e7+-) 38.Kg2 Qd2 (38...Qd2 39.Kh1 Nf2 40.Qf2 Qf2-+) 0–1. Mercs,Peter J (2085) – Sully,David John (2110), BCF–chT4, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.Ba3 0-0 11.g4 Nh4 12.Nh4 Ba3 13.Ng2 Be7-/+ 14.h4 f6 15.ef6 Rf6 (better 15...gf6!? 16.Ne3 a5-/+) 16.g5= Rf7 (better 16...Rf5!?=) 17.Bh7!+- Kh7 18.Qh5 Kg8 19.g6 Bd6 20.gf7 Kf8 21.0-0 (21.Rg1!? Qf6 22.Ne3 Qf7 23.Qh7+-) 21...Qf6 22.f4 (22.Na3 Qf7 23.Qf7 Kf7+=) 22...Qf7 (better 22...Nd4!? 23.Kf2 a5-/+) 23.Qf7+= Kf7 24.Nd2 Ne7 25.Nf3 Nf5 26.Ne5 Ke7 27.Rf3 Bd7 28.Nd7 Kd7 29.Rh3 a5 30.Ne3 (30.Kf2!?=) 30...Ne3-/+ (30...Bf4 31.Nf5 ef5 32.Rb1=+) 31.Re3 Bf4 32.Rf3 e5 33.de5 Be5 34.Ra2 Kc6 35.Kf2 Kc5 36.Ke2 Kc4 37.Rb2? (better 37.Kd2-/+) 37...b5-+ (37...Bc3?! 38.Rb7 Be5 39.Re7-/+) 38.Rc2 a4 39.Kd2 a3 40.Ra2 (40.Rf1 a2 41.Ra1 Rh8-+) 40...Kb3 41.Ra1 a2 42.Kc1 (42.h5-+) 42…Bc3 0–1. Kocian,Miroslav – Vogt,Lothar (2500), Lenk op, 1990. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.Ba3 0-0 11.g4 Nh4 12.Nh4 Ba3 13.g5 Be7 (worse 13...Qg5 14.Nf3 Qf4 15.Na3+-) 14.Qh5 g6 15.Ng6 fg6 (15...fg6 16.Bg6 Decoy; 15...hg6 16.Bg6) 16.Bg6 (16.Bg6 hg6 17.Qg6 Kh8 18.Qh6 Kg8 19.g6+-) 1–0. Calavalle,Giulio (2230) – Boscolo,Marco (2070), Porto San Giorgio op, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    10.Ba3 0-0 11.h4 f6 12.g4 fe5 13.de5 Nh6 14.g5 Nf5 15.Be7 Nce7 16.Ra4 Bd7 17.Rg4 Qc7 18.0-0 (18.h5-+) 18...b5 19.h5 Be8 20.h6 Bh5 21.hg7 Bg4 22.gf8Q Rf8 23.Be2 Bf3 24.Bf3 Qe5 25.Re1 (25.Qe1 Ng6 26.Nd2 Qd6-+) 25...Qf4 26.Re6 (26.Qe2 e5-+) 26...Nh4 (26...Qg5?! 27.Kf1-+) 27.Re7 (27.Nd2 Nf3 28.Qf3 Qd2-+ (28...Qf3?! 29.Nf3 Rf3 30.Re7-/+)) 27...Nf3 (27...Qf3?! 28.Qf3 Nf3 29.Kg2-/+) 28.Kf1 Nh2 29.Kg1 (29.Ke2 Qf2 30.Kd3 Rf3 31.Qf3 Nf3 32.Re2-+) 29...Qg5 30.Kh1 Qe7 (better 30...Nf3 31.Re3 Qh5 32.Kg2 Nh4 33.Kh3 Qd1 34.Rg3 Kh8 35.Kh4 Qh1 36.Kg4 Rg8 37.Kf5 Qe4 38.Kf6 Rf8 39.Kg5 Rf5 40.Kh6 Qh4) 31.Qd5 Qf7 32.Qg5 Kh8 (32...Kh8 33.Qe5 Qg7 34.Qg7 Kg7 35.Kh2 Rf2 36.Kg3 Rb2-+) 0–1. Sadusea,Johnny – Reyes Larenas,Luis A, Benidorm op–B, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    10.Ba3 a6 11.Be7 Qe7 12.Na3 Rb8 13.Nc2 f6 14.ef6 Qf6 15.0-0 0-0 16.Qe2 Bd7 17.Ne5 Ne5 18.de5 Qe7 19.Bf5 ef5 20.Nd4 f4 21.e6 Bb5 22.Nb5 ab5 23.f3 (better 23.Rfe1!?=) 23...Rfe8 24.Rfe1 Qc5 25.Kh1 Qc3 26.Qb5 Qc6 27.Qb4 Re6 28.Re6 Qe6 29.Qf4 Re8 30.h3 Qe5 31.Qa4 (31.Qe5!? Re5 32.Ra5-/+) 31...b5! 32.Qa5 (32.Qb5 Qa1 Deflection (32...Qa1 Decoy)) 32...d4 33.Rb1 d3 34.Rd1 Qd5 35.Qc3 Rd8 36.Rd2 Qc4 37.Qa5 Rd7 0–1. Torgersen,Terje (2075) – Westerinen,Heikki (2355), Svein Johannessen Mem, Oslo NOR, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.Ba3 h5 11.h4 (11.Be7 Qe7 12.0-0 h4=) 11...a6 12.Nbd2 g6 (12...Ba3 13.Ra3 Qe7=+) 13.Ng5 (13.Be7 Qe7 14.Bf5 gf5=+) 13...Bd7 (better 13...Nh4!? 14.Rh4 Bg5-/+) 14.Ndf3 Rc8 15.Bf5 (15.Be7 Nce7 16.Qd2 Qc7=) 15...gf5=+ 16.Kf1 (16.Qb1 Ba3 17.Ra3 Na5=+) 16...Na5 (16...Ba3!? 17.Ra3 Na7-/+) 17.Be7=+ Ke7 18.Rc1 Bb5 19.Kg1 Qc7 20.Nd2 Rcg8 21.Kh2 Nc4 22.Nc4 Bc4 23.Nh3 0–1. Chulivska,Vita (2205) – Malakhatko,Vadim (2600), 4th Balagne Open, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.Na3 0-0 11.Qc2 (11.0-0 h5 (11...a5 12.g4 Nh4 13.Nb5 Nf3) 12.Nb5 Bd7 13.Ba3 a6; 11.Nb5 Bd7 (11...a6 12.g4 Nh4 13.Nh4 Bh4) 12.g4 Nh4 13.Nh4 Bh4) 11...g6 (11...h5 12.0-0=+ (12.Nb5 Bd7 13.0-0 Na5) 12...b6 13.Nb5 a5) 12.Nb5 (12.0-0 f6=+ (12...Bd7 13.g4 Nh4) 13.ef6 Bf6) 12...Bd7 (12...f6 13.ef6 Bf6) 13.h4 (13.g4!? Ng7 14.0-0=+) 13...a6-/+ (13...Nh4 14.Nh4 Bh4 15.Qd2+-) 14.Nd6 Nd6 15.ed6 Bd6 16.h5 f5 (16...e5 17.hg6 A) worse 17...fg6 18.Bg6 Rf6 A1) 19.Rh7?! e4 20.Bg5 Rg6 (20...ef3 21.Bf7 Kf8 22.Rh8 Kf7 23.Qh7 Ke6 24.Rd8 Nd8 25.Kd2 Bf4 26.Bf4 Rf4 27.Qh6 Ke7 28.Qf4+-) 21.Bd8 Kh7=; A2) 19.Bh7 Kf7 20.Qb3+-; B) 17...e4-/+) 17.hg6=+ hg6 18.Qd2 Qf6 19.Qh6 Rf7 20.Bg5 (20.Ng5 Re7 21.Nh7 Qg7 22.Qg7 Kg7 23.Bh6 Kh7 24.Bf4 Kg8 25.Bd6 Rh7 26.Rh7 Kh7-/+) 20...Qg7 21.Qh4 Qh7 (21...Re8 22.Bh6 Qh8 23.Kd2-+) 22.Bh6-/+ Bf8 (22...Re7!?-/+) 23.Ng5=+ Qh6 24.Qh6 Bh6 25.Nf7 Bg7 26.Ng5 (26.Nh6 Kf8 27.g4 Ke7=+) 26...e5-/+ 27.de5 (27.Rb1 b5 28.de5 Ne5-/+) 27...Ne5 28.Kd2 Nd3 29.Kd3 Rc8 (29...Bb5 30.Kd2 d4-/+) 30.Rhc1 (better 30.Ra3!?-/+) 30...Rc4-+ 31.Nf3 (31.g3 f4 32.gf4 Rf4-+) 31...Bb5 32.Kd2 Bh6 (32...Bh6 33.Kc2 Bc1 34.Rc1 Ra4-+) 0–1. Sardi,Anibal (1620) – Salguero,Rafael (1870), Cuartos De Final Trebejos, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.Na3 Qa5 11.Bb2 Qb6 12.Qe2 Bd7 13.0-0 0-0 14.g4 Nh4 15.Nh4 Bh4 16.f4 Be7 17.f5? (better 17.Rfb1!?-/+) 17...Ne5-+ 18.Bb1? (18.Qe5 Qb2 Deflection (18...Qb2 Overloading)) 18...Nc4! 19.Nc4 dc4 20.f6 gf6 (20...Bf6?! 21.Qc2 Bd4 22.cd4=) 21.Rf6? (better 21.Rf2-+) 21...Bf6 22.Qc2 Bd4! 23.cd4 f5 24.gf5 ef5 25.Kf1 (25.Qc4 Be6 26.Qe2 Rae8-+) 25...Rf7 26.d5 h6 27.Ra3 c3! 28.Qc3 (28.Rc3 Bb5 Decoy; 28.Bc3 Qc5 Double attack (28...Bb5 Decoy); 28.Qc3 Qb5 Double attack) 28...Bb5 (better 28...Kh7!? 29.Bd3-+) 29.Kg2 Qg6 30.Kh1 Kh7 31.Qd4 Re8 32.Re3?? (32.Rg3 Re1 33.Kg2 Re2 34.Kh1 Re1 35.Kg2 Re2 36.Kh1 Re1=) 32...Bf1?? (better 32...Qh5 33.Bc3 Rg8-+) 33.Rg3+= Qf6?? (33...Bh3 34.Rg6 Kg6+-) 34.Bf5! Qf5 (34...Qf5 35.Rg7 Mate attack) 35.Rg7 (35.Rg7 Kh8 36.Rg8 Kg8 37.Qh8) 1–0. Kanonenberg,Wilhelm – Rehe,Walter, Regionalliga NordS, 1988. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    10.Na3 Bd7 11.0-0 0-0 12.g4 Nh4 13.Nh4 Bh4 14.g5 (14.Rb1 Na5=) 14...Bg5=+ 15.Bh7?? (better 15.Qh5 would be a reprieve 15...h6 16.f4=+) 15...Kh7-+ 16.Qh5 Bh6 17.Kh1 Ne7 18.Rg1 (18.Nc2 does not save the day 18...Nf5 19.Bh6 Nh6-+) 18...Nf5 19.Bg5 (19.Rb1 does not help much 19...Bc6-+) 19...Qe8 (19...Qc7 and Black can already relax 20.Rac1-+) 20.Bd2 (20.Bh6 a fruitless try to alter the course of the game 20...Nh6 21.Nc2 g6-+) 20...g6 21.Qh3 Kg7 (better 21...Rh8!? seems even better 22.Bh6 Kg8 23.Rab1 Rh6 24.Qf3-+) 22.Bh6 Nh6 23.Nc2 (23.Rab1 hardly improves anything 23...b6 24.Nc2 Rh8-+) 23...Nf5 24.Ne3 Rh8 25.Qf3 Qe7 26.Ng4 (26.Nf5 doesn't improve anything 26...ef5 27.Rab1 Qh4-+) 26...Qh4 27.Rg2 (27.Rab1 does not solve anything 27...Bc6 28.Rbc1 a5-+) 27...Bb5 (27...Qh3 keeps an even firmer grip 28.Qh3 Rh3 29.Rb1-+) 28.Nf6 (28.Rb1 doesn't change anything anymore 28...a6 29.Ne3 Bd3 30.Nf5 Bf5-+) 28...Qh3 29.Qf4 (29.Qh3 does not win a prize 29...Rh3 30.Ra3 Bf1-+) 29...Be2 30.Kg1 0–1. Jordanov,Stefan (1990) – Rusev,Krasimir (2250), BUL–ch U18 Bulgaria (3), 2001. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    10.Na3 Bd7 11.Nc2 Rc8 12.Ne3 Ne3 13.fe3 a6 14.0-0 Na7 15.Bd2 Bb5 16.Qe2 0-0 17.e4 Bd3 18.Qd3 Nb5 Exerts pressure on the backward pawn 19.Rac1 Rc4 20.Rfe1 (20.Ne1 f6 21.ef6 Bf6-/+) 20...Qc7 21.ed5 ed5 22.e6 fe6 23.Ne5 (23.Re6 Bf6-/+) 23...Ra4-+ 24.Re3 Bf6 25.Rh3 g6 (25...Be5?! 26.Qh7 Kf7 27.Rf1 Ke7 28.Bg5 Bf6 29.Bf6 Ke8 30.Qh5 Kd7 31.Qg4=) 26.Bh6? (better 26.Re3-+) 26...Be5 27.Bf8 Bd4! (27...Kf8?! 28.de5 Kg8 29.Rf1-/+) 28.Kh1 (28.cd4 Qf4 Double attack (28...Qc1 Pinning; 28...Qc1 Deflection; 28...Qf4 Decoy; 28...Kf8 Zwischenzug)) 28...Kf8 (better 28...Qc3! 29.Qc3 Nc3-+) 29.Qf1 Kg8 30.cd4 Rc4 31.Re1 (31.Rc4!? Qc4 32.Qe1 Nd4 33.Rc3-/+) 31...Nd4-+ 32.Qf6 Qf7 33.Qf7 Kf7 34.Rh7 Kf6 35.Rb7 a5 36.Kg1 a4 37.Rb6 (37.Ra7 Nb3-+) 37...Kf5 (better 37...a3!?-+) 38.Ra6-/+ e5 39.Rf1 Ke4 40.Rg6 (better 40.Re1 Kf4 41.Rf6 Nf5 42.g3 Kg5 43.Ra6-/+) 40...a3?? (better 40...Ne2 41.Kf2 Nf4 42.Re1 Kf5-+) 41.Rg4= Kd3 42.Rg3 Kd2 43.Ra3 Ne2 44.Kf2 Rf4 45.Rf3 e4 46.Rf4 Nf4 47.Kg3? (47.Ra1 Nd3 48.Kf1-+) 47...Nh5?? (better 47...Ne2 48.Kg4 e3-+) 48.Kg4+- e3 49.Kf3 (49.Kh5 e2 50.Rf2-+) 49...e2 50.Ra1 e1Q ½–½. Liardet,Fabrice (2300) – Egger,Jorge (2325), Wch U20 Santiago, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.Na3 f6 11.Nb5 (11.ef6 Bf6 12.Qc2 g6=+) 11...fe5 12.de5 (12.Ne5 Ne5 13.Bf5 ef5 14.de5 Be6=+) 12...0-0-/+ 13.h4 (13.0-0 Bd7=+) 13...Bd7 (13...Nh4 14.Nh4 Bh4 15.Bh7 Kh7 16.Qh5 Kg8 17.Rh4 Qh4 18.Qh4+-) 14.Qe2 (14.Bg5 Qc8 15.Nbd4 Bg5 16.hg5 Ne5-+) 14...a6 (14...Nh4 15.Nh4 Bh4 16.g3 Ne5 17.Qe5 (17.Rh4? Nf3 18.Kd1 Nh4-+) 17...Bb5 18.Qe6 Kh8 19.Bb5+-) 15.Nbd4 Ncd4 (15...Nfd4 16.cd4 Nb4 17.Bb1-/+) 16.Nd4 (16.cd4 b5-/+ (worse 16...Nh4 17.Nh4 Bh4 18.Qh5 Bf2 19.Ke2+-)) 16...Nd4 (16...Qc7!? 17.Bd2 Nh4-/+) 17.cd4 Bb5 (17...Bb4 18.Bd2 Bd2 19.Qd2=+) 18.Bb5=+ Bb4 19.Bd2 Bd2 (19...ab5 20.Ra8 Bd2 21.Qd2 Qa8 22.0-0=+) 20.Qd2=+ ab5 21.Ra8 Qa8 22.0-0 Qa4 (22...Qd8 23.g3=+) 23.Rc1 (23.Rb1 Rc8=) 23...h6 24.Qd3 (24.Rb1 Rf5=) 24...b4=+ 25.Rc7 (25.Qg6 Qd7=+) 25...Rf7 (25...Qa2 26.Qg3 Rf7 27.Rc8 Kh7 28.Qd3 Rf5 29.f3 Qa1 30.Kf2=+) 26.Rc8= Rf8 27.Qg6 (27.Rc7 Qa2 28.Qg3-/+) 27...Qd7=+ 28.Rc2 (28.Rc1 Rf4 29.h5 b3-/+ (worse 29...Rd4 30.Rc7 Rd1 31.Kh2 Rh1 32.Kh1 Qc7 33.Qe8 Kh7 34.Qg6 Kh8 35.Qe8 Kh7 36.Qg6 Kg8 37.Qe8 Kh7=)) 28...Rc8 (28...b3 29.Rd2-/+) 29.h5 (29.Rb2 Rc4 30.Qg4 Qf7=+) 29...Rc2-/+ 30.Qc2 Qc6 31.Qg6?? (better 31.Qb1 b3! 32.Qb3 Qc1 33.Kh2 Qf4 34.Kh3 Qd4 35.Qb5 Qc3 36.g3-/+) 31...b3-+ 32.Kh2 (32.g4 b2 33.Kg2 Kf8-+) 32...b2 33.g3 Kf8 34.Qd3 (34.Kg2 Qc1 35.Qe6 b1Q 36.Qd6 Kg8 37.Qe6 Kh7 38.Qg6 Qg6 39.hg6 Kg6-+) 34…Qb6 0–1. Debeaune,Robin (2185) – Medeuf,Yonhel (2140), Reims FRA, Yout ch, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.Na3 Nh4 11.Nh4= Bh4 12.Nb5 0-0 13.Qh5 g6 14.Qh6 Be7 15.h4 Re8 16.Ba3 Ba3 17.Ra3 Qe7 (better 17...Re7!?+/-) 18.h5+- Qf8 19.Qg5 (19.hg6 Qh6 20.gf7 Kf7 21.Rh6 Rh8+-) 19...Bd7? (better 19...Qe7 20.Qg3 Rd8+/-) 20.hg6+- fg6?? (20...hg6 21.Qh4 Qg7+-) 21.Qh4 (better 21.Rh7! Re7 22.Qg6 Qg7 23.Rg7 Rg7 24.Qh6+-) 21...Qe7 (21...Qg7 22.Nc7+-) 22.Qh3 (22.Nc7!?+-) 22...Qg7+/- 23.Nc7 Rac8 24.Ne8 Be8?? (better 24...Re8 25.Ra1 Ra8+-) 25.Qe6 (25.Qe6 Qf7 26.Qc8+-) 1-0. Novikova,Galina (2070) - Nilssen,Ellen Fredericia (2070), Euro Online U2300 Day, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.Nbd2 a6 11.Nf1 (11.Ba3 Ba3 12.Ra3 f6=+) 11...Bd7 12.Ng3 g6 (12...Ng3 13.hg3 Qc7 14.Bd2=+) 13.Ne2 (13.0-0 Ng3 14.fg3 f5=) 13...Na7 14.0-0 Bb5 15.Nf4 (15.Ba3 Bd3 16.Qd3 Ba3 17.Ra3 0-0=+) 15...Rc8 16.Bd2 h5 (16...g5 17.Bb5 Nb5-/+ (worse 17...ab5 18.Ng5 Bg5 19.Ra7+-)) 17.Re1? (17.Qc2 g5 18.Ne2 Bd3 19.Qd3 g4-/+) 17...Bd3 (better 17...g5!? 18.Bf5 ef5-+ (18...gf4?! 19.Bb1=)) 18.Nd3=+ Nb5 The backward pawn on c3 becomes a target 19.Qb3 Qc7 20.Rec1 (20.Nb2 g5 (20...Nc3? 21.Rac1+-) 21.Rec1 g4-/+) 20...Qc4 21.Qc4 (21.Qb1 Rc7-/+) 21...Rc4-+ 22.Nb2 Rc7 23.Na4 0-0 24.h3 Kg7 25.g4 hg4 26.hg4 Nh6 27.Nh2 Rc4 28.Kg2 (28.Nb6!? Rc6 29.Na4-+) 28...Ba3 29.Ra3 (29.Bh6 Kh6 30.Nb6 Rc6-+) 29...Na3 30.Nb6 (30.Nc5 Rb8-+) 30...Rc7 31.Rh1 Nc4 32.Bg5 (32.Nc4 Rc4 33.Bg5 Ng8-+ (33...Rc3? 34.Bf6 Kh7 35.g5+-)) 32...Ng8 (32...Nb6!? 33.Bf6 Kg8 34.Nf3-+) 33.Na4 b5 34.Nc5 Rc5! 35.dc5 Ne5 36.Be3 (36.Ra1 Ra8-+) 36...f6 (36...Nc4 37.Ra1-+) 37.g5 Nc4 38.gf6 (38.Ra1 Ra8-+) 38...Nf6 39.Bc1 (39.Ra1 Ne3 40.fe3 Ra8-+) 39...a5 (39...Rc8!? 40.Nf3-+) 40.Nf3 Rh8 (better 40...Rc8-+) 41.Rh8 Kh8 42.Nd4 (42.c6 Ne4 43.c7 Nb6-/+) 42...Ne4 43.c6 Nc3 44.c7 Nb6 45.Ne6 (45.Nc6 Kg7-+) 45...b4-+ 46.Be3 (46.Nf8 Kg7 47.Nd7 Nc8-+) 46...Nc8 47.Nf4 (47.Kf3 a4-+) 47...Kh7 48.Kf3 (48.Bd2 d4 49.Kf3 Nb5-+) 48...a4 49.Bc5 (49.Bc1-+) 49...b3 50.Nd3 Nb5 51.Ke3 (51.Kf4 Nc7 52.Ke5 Kg8-+) 51...a3 (51...Nc7!? 52.Nb2 Na6 53.Ba3-+) 52.Ba3 Na3 53.Kd4 Nc4 (53...Ne7 54.Ke5 Kg7 55.Ke6-+) 54.Kd5 (54.Kc3 N4d6 55.Kb3 Ne8-+) 54...b2 55.Nb2 Nb2 56.Ke4 Kg7 57.Kf4 (57.Kd5 Kf6 58.Kc6 Ke6-+) 57...Kf6 58.Kg4 (58.Ke4 Ne7-+) 58…Nd3 0–1. Van Wiele,Kurt (1805) – Peric,Sl (2255), 10th La Fere Open, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    10.Nbd2 Rb8 11.Nf1 (11.0-0 b5=+) 11...b5 12.Ne3 b4 (12...Ne3 13.Be3 a6 14.0-0=+) 13.Nf5 ef5 14.cb4 Bb4 15.Bd2 Qb6 (15...0-0 16.0-0=+) 16.0-0 0-0 (16...Nd4? 17.Bb4 Nb5 18.Rb1+-) 17.Bb4 Nb4 18.Bb1 (18.Qe2 f6=+) 18...Bd7 (18...Re8 19.Qd2=+) 19.Nh4 g6 20.Qd2 Nc6 (20...Rfc8 21.Nf3 a6 22.Qh6=+) 21.Nf3= Qb2 (21...Be6!?=) 22.Qh6+= f6 23.ef6 Rf6 24.Ba2 Qb4 (24...Be6 25.Ng5 Qb7 26.Ne6 Re6 27.Bd5 Qd7+-) 25.Bd5 Kh8 26.Bc6 Bc6 27.Ra7 Rb7?? (better 27...Bb7+-) 28.Ra8 Rb8 29.Ng5 (29.Ng5 Kg8 30.Qh7 Kf8 31.Rb8 Qb8 32.Qh8 Ke7 33.Qb8+-) 1–0. Spirk,Stefan (2125) – Mittermayr,Gerhard (2175), 2. Bundesliga Mitte, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    10.g4 Nh6 11.h3 (11.Bh6 gh6 12.Nbd2 Rg8=) 11...Bd7 (11...Ng8 12.Nbd2=+) 12.0-0 (12.Bh6 gh6 13.Qb3 Qc7=) 12...Rc8 (12...Ng8 13.Ba3=+) 13.Na3 (13.Qb3 Qc7=+) 13...a6 14.c4 (14.Bh6 gh6 15.Kh1 h5 16.gh5 Qc7=+) 14...Nb4 (14...dc4 15.Nc4 Nb4 16.Be2-/+) 15.Be2 (15.c5 Ng8=+) 15...dc4-/+ 16.Nc4 Bc6 17.Na5 Bd5 18.Bd2 0-0 19.Nb3 Nc2 20.Rb1 Na3 21.Rc1 Rc1 22.Bc1 Qb6 23.Nbd2 (23.Na1 Nb5 24.Bh6 gh6-/+) 23...Nb5 (23...Rc8 24.Ba3 Ba3 25.Bd3-+) 24.Bb2 (24.Nb1 Bb4-/+) 24...Rc8 25.Bd3 Nc3 (25...Qd8 26.Qb1 Kh8 27.Bh7-+) 26.Bc3 (26.Qa1 Na4! 27.Qa4 Qb2-/+) 26...Rc3-+ 27.Ne4 Rc8 28.Qd2 Qc7 (28...Qc6 29.Qf4 b5 30.Nfg5-/+) 29.Nfg5 (29.Nf6 Bf6 (29...gf6?! 30.Qh6 f5 31.gf5=) 30.ef6 Qd8 (30...Bf3? 31.Qg5 Kf8 32.fg7 Kg8 33.Qh6+-) 31.fg7 Kg7-/+ (31...Bf3? 32.Qh6 f5 33.Qe6 Kg7 34.Qf5+-)) 29...Kh8 (29...Qd8 30.Qe3-+) 30.f4 f5 31.ef6 gf6 32.Nh7 Be4 33.Be4 f5 34.Ng5 fe4 35.Ne6 Qc3 (35...Qc3 36.Qc3 Rc3-+) 0–1. Lucaroni,M (2315) – Atalik,S (2560), 25th Open Bratto ITA, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    10.g4 Nh6 11.h3 (11.Bh6 gh6 12.Nbd2 f6=) 11...Bd7 (11...Ng8 12.Nbd2=+) 12.Na3 (12.Bh6 gh6 13.Qb3 b6=) 12...a6 (12...Ng8 13.Qc2=+) 13.Nc2 (13.Bh6 gh6 14.Qd2 h5=) 13...Rc8 (13...Ng8 14.Ba3=+) 14.Ne3 (14.Bh6 gh6 15.Ne3 h5=) 14...Na5 (14...Qc7 15.Bd2=+) 15.Qc2 Bb5 16.Bh7 (16.Bb5 ab5 17.Qb2 Qb6=+) 16...Nb3 (better 16...g6!? 17.Bg6 fg6 18.Qg6 Kd7 19.Nd5 Nb3 (19...ed5?! 20.e6 Kc6 21.Bh6=) 20.Ne7 Qe7-/+) 17.Qb3= Rh7 18.Ba3 Ng8 19.h4 (19.Be7 Ne7 20.Ng5 Rh8=) 19...Ba3 (worse 19...Bh4 20.g5+- (worse 20.Nh4 Rh4 21.Kd2 Rc6=+; worse 20.Rh4 Rh4 21.Qb4 Rh1 22.Kd2 Ra1 23.Qf8 Kd7 24.Qd6 Ke8 25.Qf8 Kd7 26.Qd6 Ke8 27.Qf8=)) 20.Qa3 Ne7 21.h5 Ng6 22.Ng2 (22.g5 Qc7 23.Kd2 Nf4+=) 22...Qc7=+ 23.Ng5 (23.Rg1 Nf8=+) 23...Rh6 24.Rh3? (better 24.0-0-0 Ne5 25.de5 Qe5 26.f4 Qc3 27.Qc3 Rc3 28.Kd2 Rd3 29.Ke1-/+) 24...Ne5!-+ 25.de5 Qe5 26.Re3 Qg5 27.Qd6 (27.f3 g6 28.hg6 Qg6 29.0-0-0-+) 27...Qg4 28.Qd5 (28.Qg3 Qg3 29.Rg3-+) 28...Rh5 29.Qb7 (29.Re4 Qh3 30.Qd4 Qh1 31.Kd2 Qa1 32.c4 Qa2 33.Kc3-+) 29...Rh1 30.Kd2 Rd8 (30...Rd8 31.Kc2 Ba4 32.Qb3 Qf5 33.Kb2 Rd2 34.Ka3 Ra1 35.Qa2 Raa2 36.Kb4 Qb5) 0–1. Lugo,Blas (2410) – Perelshteyn,Eugene (2535), SPICE Cup Lubbock USA, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.d4 Nc6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    10.h4 0-0 11.h5 (11.g4!? Nh6 12.Bh6 gh6 13.g5+=) 11...h6=+ 12.g4 Nh4 13.Nh4 Bh4 14.0-0 f6 15.f4 fe5 16.de5 Qb6 17.Kh1 Bd7 18.Nd2 d4 19.Nf3 Be7 20.Qe2 dc3 21.Qe4 Bc5 22.Qh7 Kf7 23.Bg6 Ke7 24.Qg7 Kd8 25.Rd1 Qc7 26.f5 Kc8 27.f6 Be8 (27...Ne5 28.Ne5 Bc6 29.Nc6 Qc6 30.Kh2+-) 28.Be3 Qg7 (28...Be3 29.Rd3 Double attack (29.Qf8 Deflection; 29.Rd3 Decoy)) 29.fg7 Rg8 30.Bc5 Bg6 31.hg6 Rg7 32.Nh4 b6 33.Bf8 Rg8 34.g7 Kc7? (better 34...Ne5 35.Rac1 Kb7 36.Rc3 Raf8 37.gf8R Rf8+-) 35.Ng6 b5 36.Ra6 c2 37.Rc6 Kc6 38.Rc1 a5?? (better 38...b4 39.Rc2 Kb5 40.Rc5 Ka4+-) 39.Ne7+- Kb6 40.Ng8 b4 41.Nf6 b3 42.g8Q b2 43.Qe6 Kb5 (43...Ka7 44.Bc5 Kb8 45.Qb6 Kc8 46.Qc6 Kd8 47.Qd7) 44.Qb3 (44.Qd5 Kb6 45.Nd7 Ka6 46.Qc6 Ka7 47.Bc5) 44...Ka6 45.Qb2 (45.Qd3 Kb6 46.Nd5 Ka7 47.Qd4 Kb7 48.Qb6 Kc8 49.Qc7) 45...Rf8 (45...Rd8 46.Qc2 Rd1 47.Rd1 Kb7 48.Rd7 Kb6 49.Qc5 Ka6 50.Qc6) 46.Rc2 (46.Rc2 Rf6 47.ef6 a4 48.Rc6 Ka7 49.Qb6 Ka8 50.Rc8; 46.Nd5 Rf1 47.Rf1 Ka7 48.Rf7 Ka6 49.Qb6) 1–0. Permuy Lorenzo,Carlos Javier (2300) – Demaria,Juan Pablo (2285), Dos Hermanas Internet qual–B, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.h4 Nh4 11.Nh4+- Bh4 12.Qg4 Be7 13.Qg7 Rf8 14.Rh7 Bd7? (better 14...Qb6!?+-) 15.Bh6 (15.Bg6 Qc8 16.Bf7 Kd8+-) 15...Qb6 16.Qg3 Qb2 17.Ra4?? (better 17.Qf4 0-0-0 18.Bf8 Rf8 19.Ra4=) 17...Ne5!-+ 18.de5? (18.de5 Ba4 Discovered attack; 18.Qe5 Ba4 Discovered attack) 18...Ba4 19.Bf8 (19.Rg7-+) 19...Qc1 (19...Bf8? 20.Qf4 0-0-0 21.Qa4 Qc1 22.Ke2+-) 20.Ke2 Bd1 21.Ke1 Bf3 (21...Bf8?! 22.Qe3 Qe3 23.fe3-/+) 0–1. Krug,Rudi (1825) – Harzer,Paul (2020), Bahn–chT Friedrichroda, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    10.h4 h6 11.Na3 (11.Ba3 h5=+) 11...a6 (11...0-0 12.0-0-/+) 12.Nc2 Rg8 (12...0-0!?-/+) 13.h5= Rb8 (13...Bd7 14.Qe2=) 14.0-0+= Na5 (14...Kf8 15.g4 Nh4 16.Nh4 Bh4 17.Qf3=) 15.Bf4 (better 15.Nb4+=) 15...Qc7? (better 15...Nc4 16.Qe2 b5=) 16.Bf5+- ef5 17.e6 Qf4 18.ef7 Kf7 19.Ne5 Kf6 (19...Ke8 20.Ra5 b6 21.Ra2+-) 20.Ne3 (20.Ra5 Be6 21.Ne3 Bd6+-) 20...Be6 21.Nd7?? (better 21.Ra5 Rgd8 22.Re1+-) 21...Kf7= 22.Nb8 (better 22.Ne5 Kf6 23.Ra5+-) 22...Rb8?? (better 22...Bd8 23.Re1 Bc7-/+ (23...Qb8 24.Qf3 Qc8 25.Nf5 Bf5 26.Qd5 Be6 27.Qf3 Bf6 28.Ra5-/+)) 23.Ra5+- Bd6 24.g3 Qg5 25.Ng2 (25.Qf3 f4 26.Nc4+- (26.Nd5 b6 27.Nf4 ba5 28.Ne6 Ke6=)) 25...Kg8 (25...Bc7 26.Ra1=) 26.Qf3+= Bc7? (26...Qg4 27.Qg4 fg4 28.Re1+=) 27.Ra2 (better 27.Rc5 Bb6 28.Re1+-) 27...Bf7= 28.Nf4 Re8 (28...Bf4 29.Qf4 Qf4 30.gf4=) 29.Nd5+= Re4 Black intends f4 30.c4 (worse 30.Nc7 Ba2 31.d5 Qf6-/+) 30...Bh5 (30...Bd6!?+=) 31.Qb3+- f4? (better 31...Bd8 32.Qb7 Kh7+-) 32.Nc7+- fg3 33.fg3?? (better 33.f3 Rh4 34.Ne6+-) 33...Re3= 34.Qb7 Rg3 35.Rg2 Qe3 36.Rff2 Bf3 37.Qc8 Kh7 38.Qf5 (38.Rg3?? Qe1 39.Kh2 Qh1) 38...Kh8 39.Kh2 (39.Rg3?? Qe1 40.Kh2 Qh1) 39...Rg2 (better 39...Bg2 40.Qc8 Kh7 41.Rg2 Rg2 42.Kg2 Qd2 43.Kg3 Qe3 44.Kh2 Qf2 45.Kh1 Qf1 46.Kh2 Qf2 47.Kh3 Qe3 48.Kg2 Qd2 49.Kf3 Qd3 50.Kf2 Qd4 51.Kg2 Qe4 52.Kg1 Qd4 53.Kg2 Qe4 54.Kg1 Qd4 55.Kg2=) 40.Rg2+- Bg2 41.Kg2 Qe2 42.Kg3 Qe3 43.Kg2 (43.Qf3!? Qd4 44.Qf8 Kh7 45.Qf5 Kh8 46.Qd5 Qe3 47.Kg4+-) 43...Qe2+= 44.Qf2 Qg4 45.Kh2 Qh5 46.Kg3 Qg6 47.Kf3 (47.Kh4 Qg5 48.Kh3 Qh5 49.Qh4 Qf3 50.Qg3 Qf1 51.Kh4 Qf6 52.Kg4 Qd4 53.Qf4 Qd7 54.Kg3 Qd3 55.Kf2 Qc2 56.Ke3 Qc3 57.Ke2 Qc2 58.Kf3 Qd3 59.Kg2 Qe2 60.Kh3 Qd3 61.Kh2 Qe2 62.Kg1 Qd1 63.Qf1 Qd4 64.Kg2 Qg4 65.Kh2 Qh4 66.Kg2 Qg4 67.Kh1 Qe4 68.Kg1 Qd4 69.Kg2 Qg4=) 47...Qf7= 48.Ke3 Qc7 49.Qf8 White plans c5 49...Kh7 50.c5 Qg3 (50...Qd7 51.Qd6 Qh3 52.Kf2 Qf5 53.Ke2+=) 51.Ke4 Qg2? (51...Qg4 52.Ke5 Qe2 53.Kd6 Qe4+-) 52.Qf3+- Qc2 53.Ke5 Qc4 (53...Qh2 54.Ke6 Qc7+-) 54.c6 a5 (54...Qb4 55.Qf5 Kh8 56.Qd7 Qb5 57.Ke6 Qe2 58.Kd6+-) 55.Qe4 Kh8 56.Kd6 a4 (56...Qb4 57.Kd7 Qb5+-) 57.c7 Qb4 (57...a3 58.Qa8 Kh7 59.c8Q Qd4 60.Qd5 Qd5 61.Kd5+-) 58.Kc6 Qc4 59.Kb7 Qb5 60.Ka7 (60.Ka7 Qd7 61.Qa8 Kh7 62.Qd8+-) 1–0. Cernousek,L (2240) – Mcgowan,D (2115), TCh–Europe Boys U18, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    10.0-0 0-0

    11.Ra2 a6 12.g4 (12.Qc2 h6=+) 12...Nh4-/+ 13.Nh4 Bh4 14.f4 f6 (14...Be7 15.g5=+) 15.g5=+ fg5 (15...fe5 16.de5 Bg5 17.fg5 Ne5 18.Rf8 Qf8 19.Rf2+=) 16.Qh5= h6 (16...g6!? 17.Bg6 Qe7+=) 17.Qg6 (17.fg5!? Rf1 18.Kf1 Qf8 19.Kg1 Bg5 20.Bg5+-) 17...Rf5+= 18.Bf5 ef5 19.fg5 hg5 (worse 19...Bg5 20.Rg2+-) 20.Ba3 (20.e6 Qf6 21.Qe8 Qf8 22.Qf8 Kf8 23.Rf5 Ke7 24.Rd5 Be6+-) 20...Ne7 21.Be7 Qe7 22.Na3 f4 23.Kg2 (23.Qd3 Qe6 24.Rg2 Qf5=+) 23...Qd7 (23...Qe6 24.Qe6 Be6=+) 24.Qd6? (better 24.Kh1=) 24...Qh3 25.Kg1 Qe3 26.Kh1 Bf5 (better 26...Qe4 27.Kg1 Bh3-+) 27.Qd5 Kh8 28.Qf7 (28.Rg2 Be4 29.Qa2-+) 28...Be4 Black prepares the advance f3 29.Rg2 f3 (29...Qc3 30.e6 Bg2 31.Kg2 Qb2 32.Nc2 Qc2 33.Kg1-+; 29...Bg2 30.Kg2 Qe2 31.Kg1-+) 30.Rgf2 Bf2 31.e6 Bh4 (31...Qd3 32.Rg1 Bg1 33.Qh5 Bh7 34.e7 Qe4 35.Qf3 Qf3 36.Kg1 Be4 37.e8Q Re8 38.c4 Qg2) 32.Qh5 Bh7 33.Nc4 Qe6 34.Ne5 f2 35.Qf3 (35.Kg2 Qd5 36.Kh3 Kg8-+) 35…Qf5 (35...Qf5 36.Qf5 Bf5-+) 0–1. Koop,Thilo – Putzbach,Gerd (2275), Wichern op Hamburg, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6 10.0-0 0-0)

    11.Ra2 f6 12.g4 fe5 13.de5 Nh4 14.Nh4 Bh4 15.f4 Bd7 22.c4 (better 22.Qh4 dc3 23.Rf2 Rf2 24.Qf2+-) 22...Be4= 23.Be4 (23.Qh4 Bd3 24.Nd2 Bc4 25.Nc4 Qb1-+) 23...d3 24.Be3?? (better 24.c5 Qb1 25.Qe6 (25.Qh4?? Qc1 26.Kg2 Qf1 27.Kg3 Qe1 28.Kh3 Qh4 29.Kh4 Rf4 30.Kg3 Re4-+) 25...Kh8 26.Qc4 Bg5 A) 27.Ra7 Bc1 (27...Qc1?! 28.Qc1 Bc1 29.Rb7 Be3 30.Kg2=) 28.Qd3 Be3 29.Kg2 Qg1 30.Kh3 Qf2-+; B) 27.Bd3 Qc1 28.Qc1 Bc1 29.Ra7 Be3 30.Kg2 Bc5 31.Rb7=) 24…Qb1 (24...Qb1 25.Bc1 Qc1 26.Qf1 Qf1) 0–1. Maier,C (2340) – Van Foreest,Jorden (2610), European Blitz (4), 2018. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.0-0 0-0)

    11.Na3 Bd7 12.g4 (12.Qb3 Na5 13.Qb1 Qc7=+) 12...Nh4-/+ 13.Nh4 Bh4 14.g5 (14.f4!? f6 15.Be3-/+) 14...Bg5-+ 15.Qh5 h6 16.f4 Bh4 (16...Be7 17.Nc2-+) 17.Nb5-/+ f5 18.ef6 (18.Ba3 Be8 19.Qe2 Rf7-/+) 18...Qf6-+ 19.Ba3 Rfd8 20.Ra2 Be8 (20...a5 21.Nc7 Rac8 22.Bd6-/+) 21.Qg4-/+ g5?? (better 21...h5 22.Qh3 Bd7-/+) 22.Rg2+- Kh8 (22...Qg7 23.fg5 Bg5 24.Qe6 Kh8 25.Rf8 Qf8 26.Bf8 Rd7+-) 23.fg5 Qg5 (23...Qf1 24.Kf1 Bg6 25.Bg6 Bg5 26.Qe6 Rf8 27.Bf8 Rf8 28.Bf5 Rf6 29.Qc8 Kg7+-) 24.Rf8 (24.Rf8 Kg7 25.Qe6 Qg2 26.Kg2 Ne7 27.Be7 Be7 28.Qg8) 1–0. Fenner,Martin (1995) – Lueckner,Andreas (1840), 8th Lippe Cup, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5 10.0-0 0-0)

    11.Qc2 h6 12.g4 Nh4 13.Nh4 Bh4 14.f4 f5 (14...Bd7!?-/+) 15.gf5=+ ef5 16.Ba3 Rf7 17.Nd2 Be6 18.Nf3 Be7 19.Be7 Qe7 20.Qg2 Qe8 (20...Rc8 21.Rfb1=+) 21.Nh4 (21.Rf2 Qc8=) 21...Ne7 22.Kh1 Qc6 23.Ra3 a6 24.Be2 g5 (24...Kh8!?=) 25.fg5+= Rg7 (25...hg5!? 26.Qg5 Rg7+=) 26.g6+- Rf8 27.Bh5 (27.Rb3 Bd7+-) 27...Bd7 (better 27...f4!?+=) 28.Qd2+- Re8 (better 28...Be8!? 29.Qh6 f4+-) 29.Qh6 Qb5 30.Rg1 (30.Raa1!? a5+-) 30...Qb2 31.Qc1 Qa1 ½–½. Paczka,Patryk (1860) – Golek,Jagoda (2070), Poznan Poland, 2014. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.0-0 0-0)

    11.Qc2 Kh8 12.g4 Nh4 13.Nh4 Bh4 14.f4 f6 (14...Be7 15.Nd2=+) 15.Ba3 (15.Bh7!? f5 16.Bg6=) 15...Rf7-/+ 16.Nd2 Bd7 17.Bh7 fe5 18.fe5 Bf2 19.Rf2 Rf2 20.Kf2 Qh4 21.Kg2 Qh7 22.Qh7 Kh7 23.Rf1 Kg8 24.Nf3 Na5 25.Nd2 ½–½. Klimovets,Kirill (2180) – Zafesov,Timur (2145), Moscow op–B, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.Bd3 Nge7 7.a3 Nf5 8.ab4 Bb4 9.c3 Be7 10.0-0 0-0)

    11.Nbd2 b6 12.g4 Nh4 13.Nh4 Bh4 14.f4 f6 (14...Be7!?=+ is an interesting idea) 15.Ba3 White threatens to win material: Ba3xf8 15...Rf7 Black's piece can't move: h4 16.Qe2 (16.Nf3!? fe5 17.fe5+=) 16...fe5= 17.fe5 Rf1 18.Rf1 Be7 Black threatens to win material: Be7xa3 19.Bc1 (19.Be7 Qe7 20.Ne4 Bd7=+) 19...Bd7 20.Nf3 Be8 21.Qc2 g6 Consolidates f5 22.Bh6 Bf7 23.Qd2 Qd7 24.h4 Rc8 25.Ng5 Bg5 26.Qg5 White has a mate threat 26...Qe7 27.Rf6 White plans h5. The white rook is well posted) 27...Kh8 Black king safety improved 28.Qf4 Nd8? (28...Kg8!?= is worth looking at) 29.h5+- Rc3? (better 29...b5+-) 30.hg6+- hg6 31.Bg6 Qa3?? an oversight. But Black was lost anyway. (31...Bg6 32.Rg6 Qf7+-) 32.Rf7+- Qa1 33.Kg2 Qb2 34.Qf2 Rc2 35.Bc2 (35.Rf8) 35...Nf7 (35...Qc2 is not much help 36.Rf8 Kh7 37.Qc2 Kh6 38.Rg8 Nb7 39.Qg6) 36.Qf6 (36.Qf6 Kg8 37.Qg7) 1–0. Koskinen,Erkki – Syrjanen,Jukka, Vantaa op, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.0-0 0-0)

    11.Re1 Qc7 12.g4 Nh6 13.Ng5=.

    11.Re1 Nh4 12.Nh4= Bh4 13.Re3 (13.Qh5 g6 14.Qg4 f5=) 13...f5 14.Rh3 Bg5 15.Nd2 Rf7 16.Ba3 g6 (16...Bf4 17.Nf3=) 17.Nf3= Be7 18.Bc1 (18.Be7 Re7 19.Qd2 Rc7=) 18...b6 19.Bh6 (19.Ba3 Ba3 20.Ra3 Bb7=) 19...Na5 20.Rb1 Bd7 (20...Bb7 21.Rg3=+) 21.Qd2 (21.Qc1 Qc7=) 21...Rc8 (21...Qc7 22.Ng5 Bg5 23.Bg5=+ (worse 23.Qg5 Qc3 24.Qe3 Nc6-+)) 22.Ng5= Bg5 23.Bg5 Qc7 24.Be2 Be8 25.Bh4 b5 (25...Nc4 26.Qh6=) 26.Qh6 (better 26.Bf6+=) 26...Nc6 (better 26...Qb7!?=) 27.Bf6+- Rd7 28.Bh5 (better 28.Rb5 a5 29.g4+-) 28...gh5?? (better 28...b4=) 29.Rg3 Bg6 30.Rg6 hg6 (30...Rg7 31.Rg7 Kf8 32.Re7 Kg8 33.Qg7) 31.Qh8 (31.Qh8 Kf7 32.Qg7 Ke8 33.Qg8) 1–0. Marty,Fridolin (1855) – Scholten,Ingo (2015), 2rd Zuerich op–B, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5 10.0-0 0-0)

    11.g4 Nh6 12.Bh6=+ gh6 13.Qc2 f5 (13...Kg7 14.Nbd2=+) 14.gf5= ef5 15.Kh1 Kh8 16.Rg1 Be6 17.Nbd2 Rc8 18.Qa2 b6 19.Rg2 Na5 20.Nb3 Nb3 21.Qb3 Rc7 22.Qb2 Rg8 23.Rg8 Qg8 24.Rg1 Qf7 25.Ne1 Bg5 26.Nf3 Bf4 27.Be2 Qf8 (27...Rc8 28.Ba6 Rg8 29.Rg8 Kg8 30.Qb5=) 28.Ne1 Bg5 29.Nd3 Qc8 30.f4 Be7 31.Rc1 Qd8 32.Qb3 Qc8 33.Bf3 Qd8 34.Rg1 Bf8 35.Nb4 Increasing the pressure on the isolated pawn on d5 35...Bb4 (35...Rc4 36.Qb2 a5 37.Na2=) 36.Qb4 Qe7 37.Qb2 Qh4 38.Qg2 Qd8 (38...Rd7 39.c4 Qf4 40.Bd5 Bd5 41.cd5 Qg5+-) 39.c4!+- dc4 (39...Rc4 40.Qg7; 39...dc4 40.d5 Passed pawn) 40.d5 Bg8?? (better 40...Qg8 41.de6 Rg7+-) 41.d6 (41.d6 Rd7 42.e6 Qg5 43.ed7 Kg7 44.d8Q Bf7 45.Qb2 c3 46.Qc3 Kg6 47.Qcf6) 1–0. Boricsev,Oleg (2350) – Zatonskih,Anna (2235), Balatonbereny op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.0-0 0-0)

    11.Kh1 Re8 12.Rg1 f6 13.g4 fe5 14.gf5 e4 15.Ng5 ed3 16.Qh5 Bg5 17.Bg5 Re7 18.Nd2 (better 18.Qf3!? Qf8 19.Be7 Ne7 20.Qg3=+) 18...Qe8-/+ 19.Qh4 ef5 (better 19...Rf7!? 20.f6 g6-/+) 20.Bf6 Rf7 21.Rae1? (better 21.Bg7 Rg7 22.Rg7 Kg7 23.Rg1 Qg6 24.Rg6 hg6 25.c4=+) 21...Qf8-+ 22.Qh5 Bd7 (22...Rf6?! 23.Re8-/+) 23.Bg5 Re8 24.Rb1 Bc8 25.Rg3 (25.Rbe1 Re1 26.Re1 f4-+) 25...g6 (better 25...f4!? 26.Rg2-+) 26.Bh6 Qe7 27.Rbg1 Rf6 28.Qh4 Qf7 29.Nf3 f4 30.R3g2 Qe7?? (better 30...Rfe6-+) 31.Bf4 1–0. Barcsi,Judit (2030) – Kiss,Balazs (2110), Nyiregyhaza op, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.0-0 0-0)

    11.g4 Nh4

    ... 12.Nh4 Bh4

    13.f4 f6 14.Ra2 fe5 15.de5 (15.fe5 Rf1 16.Qf1 Bd7-/+) 15...Be7-/+ 16.Rg2 (16.Be3 b6-/+) 16...g5 (16...Bc5 17.Kh1-+) 17.Rg3-/+ Kg7 (17...gf4 18.Bf4 Bc5 19.Kh1-/+) 18.Rh3 Rh8 19.Nd2 Bd7 (19...gf4 20.Nf3-/+) 20.Nf3=+ Be8 (better 20...Qc7!?=+) 21.f5+= (21.fg5?! Bg6=) 21...Bc5 22.Kh1 h6 23.f6 (23.Bg5 hg5 24.f6 Kg8+-) 23...Kg8+- 24.Qe1 (24.Bg5!? Qc7 25.Qd2+-) 24...Qc7 25.Bg5 hg5 26.Rh8 Kh8 27.Ng5 Nd8 (27...Kg8 28.Qh4 Bg6 29.Bg6 Bf2 30.Qh6 Ne5 31.Bh7 Kh8 32.Bf5 Kg8 33.Be6 Qf7 34.Qg7) 28.Qh4 Kg8 (28...Bh5 29.Qh5 Kg8 30.f7 Qf7 31.Rf7 Nf7 32.Qf7 Kh8 33.Qh7) 29.Bh7 (29.Bh7 Kh8 30.f7 Nf7 31.Nf7 Qf7 32.Bg6 Kg8 33.Rf7 Bf7 34.Qh7 Kf8 35.Qf7) 1–0. Husarik,Branko (2175) – Horak,Vladimir (2080), CZE–ChT2C, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.Bd3 Nge7 7.a3 Nf5 8.ab4 Bb4 9.c3 Be7 10.0-0 0-0 11.g4 Nh4 12.Nh4 Bh4)

    13.f4 f6 14.ef6 gf6 15.g5 fg5 16.Qh5 Rf7 (16...Qc7 17.Nd2 Qf7 (worse 17...Rf4 18.Rf4 gf4 19.Ba3+-) 18.Qf7 Rf7-/+) 17.fg5+- Rf1 18.Kf1 (18.Bf1 Be1 19.Bd3+-) 18...Qf8= 19.Ke2 Qf2 20.Kd1 b5?? (20...Qg1 21.Kc2 Qh2 22.Nd2 Qc7+-) 21.Qe8 Kg7 22.Qc6 e5 (22...Qg1 23.Kc2 Qh2 24.Bd2+-) 23.Qc7 (better 23.Qh6 Kf7 24.Qh7 Ke6 25.Qh6 Kf7 26.g6 Ke7 27.Qg7 Kd8 28.Qh8 Kc7 29.Qe5 Kc6+-) 23...Kf8 (23...Qf7 24.Qf7 Kf7 25.de5 Bg4 26.Kc2 a6+-) 24.Ba3 (24.Ba3 b4 25.Bb4 Kg8 26.Qh7) 1–0. Theuretzbacher,K (2235) – Zauner,C (1960), TCh–AUT 2nd Mitte, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    13.f4 f6 14.g5= fg5 15.Ra2 (15.Qh5!? g6 16.Bg6 hg6 17.Qg6 Kh8 18.Qh6 Kg8 19.Qg6 Kh8 20.Qh6 Kg8 21.Qg6=) 15...h6 (better 15...gf4!? 16.Bf4 Qe8-/+) 16.Rg2 Ne7 (16...b6 17.Qh5 Qe8 18.Qe8 Re8 19.fg5 hg5 20.Bg5 Bg5 21.Rg5=+) 17.Ba3 (17.fg5!? Rf1 18.Qf1 hg5 19.Bg5 Bg5 20.Rg5=) 17...Rf7 18.Be7 (18.Bc1 gf4 19.Bf4 Nf5=+) 18...Qe7-/+ (18...Re7 19.Qh5 g6 20.Bg6+- (20.Qg6?! Rg7 21.Qh6 Bd7+-; 20.Qh6?! Rh7 21.Qg6 Rg7+-)) 19.Qh5 Kf8 (better 19...Qd7-/+) 20.Bg6+= Rf4 (20...Rf5!?+=) 21.Rf4+- gf4 22.Rg4 Be1 (better 22...Bg5!? 23.h4 Bh4 24.Rf4 Kg8 25.Bf7 Kh8 26.Rh4 Bd7+-) 23.Kf1 Bc3?? (23...Kg8+-) 24.Nc3 (better 24.Rf4 Kg8 25.Bd3+- (25.Nc3?! Bd7+-)) 24...Bd7+- 25.Rf4 Kg8 26.Rf7 (26.Qf3 Qb4+-) 26...Rf8+= 27.Rf8 Qf8 28.Ke2 (28.Ke1 a5+=) 28...b5 29.Bd3 (29.Qg4 b4 30.Nd1 a5=) 29...b4= 30.Nb5 Be8 (30...Bb5!? 31.Bb5 a5=) 31.Qg4+= Qe7 32.Nd6 a5 33.Qg1 (33.Bc2 a4+=) 33...Bh5= 34.Kd2 Qh4 (34...a4 35.Qg3=) 35.Kc2 (35.Nb7 Qf4 36.Kc2 a4+=) 35...a4 36.Nb7 Qe7 (36...a3 37.Nc5+=) 37.Nc5+= Qc7 (37...Be8 38.Qg4 Bd7 39.Qg6+-) 38.Qb1 (38.Bg6 b3 39.Kb2 Be2+-) 38...b3 (38...Qa5 39.Ne6 b3 40.Kb2=) 39.Kb2 Qa5 40.Ka3 (40.Ne6 Qb4 41.Qc1 a3 42.Kb1 Be8=+) 40...Qd2 (better 40...Be8+-) 41.Na4?? (better 41.Ka4 Bd1 42.Nb3+- (42.Ne6?! Bc2 43.Bc2 Qc2 44.Qb3 Qc6 45.Ka5 Qe6+-)) 41...Bd1= 42.Bh7 Kh8 43.Qd3?? (better 43.Qb2 Bc2 44.Bg6+=) 43...Qa2 (43...Qc1 44.Kb4 Bc2 45.Qc3 Kh7 46.Kc5-+) 44.Kb4 Bc2 (44...Bc2 45.Qc3 Kh7-+) 0–1. Stukner,Simon (2155) – Kolasin,Jan (1975), CZE–ChT2F, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    13.f4 f6 14.g5!? fg5 15.Qh5=.

    13.f4 g5 14.Ba3+= Re8 15.f5 (15.Nd2 gf4 16.Rf4 Qg5+-) 15...f6 (15...Qb6 16.fe6 Be6 17.Bc5=) 16.Qe2 ef5 17.gf5 Ne5 (17...fe5? 18.f6 e4 19.f7 Kg7 20.f8Q Rf8 21.Bf8 Kh8 22.Rf7+-) 18.de5 Qb6 (18...fe5?? 19.f6 e4 20.f7 Kg7 21.fe8R Qe8 22.Qe3+-; 18...Re5 19.Qc2+=) 19.Kh1 Re5 (19...fe5 20.f6 Bf5 21.Bf5+-) 20.Qg2 Bd7 21.Nd2 Bc6 22.Nf3 Re3 23.Rad1 (23.Rab1 Qc7 24.Bb5 Re4+- (24...Rc3? 25.Bc6 Qc6 26.Rbc1+-)) 23...d4 (23...Qb3 24.Bc5 d4-/+) 24.cd4?? (better 24.Bc1 Rf3 25.Rf3=) 24...Qb3-+ 25.d5 (better 25.Bc2 Qa3 26.d5-+) 25...Bd5?? (better 25...Qd5 26.Nh4 Qd3-+) 26.Bc2+= Rf3?? (better 26...Qc4 27.Rd5 Qd5+=) 27.Bb3+- Rf1 28.Rf1 Bb3 (28...Rc8 29.Qd5 Kg7 30.Qf7 Kh6 31.Qf6 Kh5 32.Bf7 Kg4 33.Qd4 Kh3 34.Rf3 Bg3 35.Rg3) 29.Qb7 (29.Qb7 Rb8 30.Qb8 Kg7 31.Qf8) 1–0. Olsarova (Rodshtein),Tereza (2295) – Just,Anita (1995), GER, Frauenbundesliga, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.0-0 0-0 11.g4 Nh4 12.Nh4 Bh4)

    ... ... 13.f4 Be7

    14.Ra2 Bd7!?-/+.

    14.Ra2 f6 15.ef6= gf6!? 16.g5 f5= (16...fg5 17.Qh5 Rf5 18.fg5+-).

    14.Ra2 f6 15.ef6= Rf6 16.g5+/- Rf5 17.Bf5 ef5 18.Nd2 (18.Re1 b6+/-) 18...Be6+= 19.Nf3 Bf7 20.Qd3 g6 21.Re1 Kg7 22.Rae2 (22.Ba3 Ba3 23.Ra3 Rc8+/-) 22...a5+= 23.Qb5 Qc7 24.Qa4 (24.Bd2 Rd8+=) 24...Rb8= 25.Rb2 Na7 (25...Be8 26.Qd1=) 26.Bd2 (26.Ne5!? b5 27.Qa2+/-) 26...b5+= 27.Qc2 Nc6 Black plans b4 28.Qd3 b4 (28...Qb6 29.Reb1 b4 30.Ne5+=) 29.cb4+= ab4 30.Rc1 Qd6 (30...Qb6!?+=) 31.Ne5+/- Ne5 32.de5 Qd7? (better is 32...Qb6 33.Be3 Qd8+/-) 33.Qd4+- Qb5 1–0. Leconte,JO (2295) – Gatineau,Yovann (2090), 13th ch–FRA Rapid, 2015. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    14.Ra2 f6 15.ef6 gf6 16.g5 f5 (16...fg5 17.Qh5 Rf7 18.fg5+-) 17.Rg2 Qe8 18.Rf3 Kg7 19.Rh3 Rh8 20.Ba3 Bd7 21.Qe1 Ba3 22.Na3 Qe7 (22...a6 23.Re2=+) 23.Qh4 Qa3 (better 23...Rag8 24.Nc2 Kf8=+) 24.Qh6+- White prepares g6 24...Kf7 (24...Kg8 25.g6 Qf8 26.g7 Qf7 27.gh8R Kh8 28.Rhg3 Rd8 29.Rg7 Qg8 30.Rg8 Rg8 31.Qf6 Rg7 32.Qg7) 25.Qf6 Kg8 (25...Ke8 26.Qh8 Qf8 27.Rh7 Rc8 28.Qf8 Kf8 29.Rd7 a5+-) 26.g6 (26.g6 Qc1 27.Bf1 Qe3 28.Re3 Rf8 29.gh7 Kh7 30.Qg7) 1–0. Leconte,Jean_Olivier (2295) – Thomas,James (1860), 9th South Wales International, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    14.Qc2 g6 15.f5 ef5 16.gf5 Bf5 (better 16...f6 17.e6 gf5=) 17.Bf5+- gf5 18.Bh6 Kh8 19.Kh1?? (better 19.Bf8 Qf8 20.Qf5+-) 19...f6 (better 19...Rg8 20.Qf5 Rg6=+) 20.e6 0–1. Lopez,Man (1985) – Fedorchuk,S (2630), Aix les Bains FRA, Grand Prix FFE, 2012. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.0-0 0-0 11.g4 Nh4 12.Nh4 Bh4 13.f4 Be7)

    14.g5 g6 15.Ra2 Bd7 16.h4 h5 (16...b5 17.h5-/+) 17.gh6=+ Bh4 18.Rg2 Ne7 (better 18...Kh7!?=+) 19.Qh5 Nf5 20.Bf5 ef5 (20...Kh8!? 21.Bg6 fg6+=) 21.Rg6+- Kh8 22.Rg7 Be6 23.Kh1 Rc8 (23...a5+-) 24.Rfg1 Bf2 25.R1g5 f6 (25...Bh4 26.Qh4 f6 27.ef6 Qf6+-) 26.ef6 (26.Rh7! Kh7 27.Qg6 Kh8 28.Qg7) 26...Qf6 (26...Qe8 27.Qh3 Bf7 28.Qf5 Qe4 29.Qe4 de4+-) 27.R5g6?? (27.R7g6 Qf7 28.Qe2 Bd4 A) 29.Qe6?! Qe6 30.Re6 Bb6+-; B) worse 29.cd4 Rc1 30.Kg2 Qc7 (30...Rb1 31.Qe5 Qf6 32.Rf6 Rb2 33.Kh3 Rh2 34.Kh2 Kh7 35.Rf8 Kh6 36.Rh8) 31.Qe5 Qe5 32.de5 Re8-/+ (32...Rb1?! 33.Re6 Rc8 34.Rf5=); C) 29.Re6?! Rfe8 30.Re8 Re8+-; D) 29.Be3+-) 27...Bf7+- 28.Rf6 Bh5 29.Rf8 Rf8 30.Rb7 (30.Kg2!? Be1 31.Rb7+=) 30...Bf3 31.Kh2 Rf6 32.Rb8 Kh7 33.Rb7 Kh8 34.Rb8 Kh7 35.Rb7 Kh6 36.Nd2 (36.Ra7?? Rg6 37.Ra2 Bg1 38.Kh3 Kh5-+) 36...Bh5 37.Ra7 Rc6 38.Ra3 Be3 39.Nb3 Rc3 40.Be3 Re3 41.Ra6 Kg7 42.Nc5 Bf3 43.Ne6 Kf7 44.Ng5 Ke7 45.Ra7 (worse 45.Nf3 Rf3 46.Ra7 Kd6-/+) 45...Kf6 46.Ra6 (worse 46.Nf3 Rf3 47.Ra6 Ke7 48.Ra7 Kd6-/+) 46...Ke7 47.Ra7 (worse 47.Nf3 Rf3 48.Ra7 Kd6-/+) 47...Kf6 48.Ra6 (worse 48.Nf3 Rf3 49.Ra6 Ke7 50.Ra7 Kd6-/+) 48…Ke7 ½–½. Temhhgen,Khharelba – Oskouev,A (2170), Asia–ch U20 Rasht, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.0-0 0-0 11.g4 Nh4)

    14.g5 g6 15.Na3 a6-/+.

    14.g5 g6 15.h4 Bd7 16.Ra2 (better 16.Na3-/+) 16...h5?? (better 16...b5-+) 17.gh6= Bh4 18.Qg4 Kh7 (18...Kh8 19.Ba3 Be7 20.Nd2=) 19.Rh2 (19.Nd2!?+=) 19...Be7= 20.Nd2 (20.Ba3 Rc8=) 20...a5=+ 21.Nf3 a4 22.Rg2 Be8 (22...Kh8 23.Ra2=+) 23.f5 (23.Ng5 Kh8= (23...Kh6?? 24.Qh3 Kg7 25.Qh7)) 23...ef5=+ 24.Bf5 a3 25.e6 Rg8?? (better 25...a2 26.Bb2 Kh8-/+ (26...Kh6 27.ef7 Ne5 28.Ne5 Qb6 29.Bg6 Qa6 30.Qh5 Kg7 31.Qh7)) 26.Bb1 (26.ef7!? Bf7 27.Bb1+-) 26...f5+= 27.Bf5 a2 28.Bb2 Bf6 (28...Kh8 29.Bd3+=) 29.Bd3 Qe7 (29...Kh8 30.Kh1+-) 30.Ra1 Nd8 31.Re2 (31.Bc1 Qe6 32.Qg3 Nf7 33.Raa2 Ra2 34.Ra2 Qc8+-) 31...b5 (better 31...Kh6!? 32.c4 dc4 33.Bc4 Kg7+-) 32.Bc1+- Ra6 (32...Kh8 33.Kg2+-) 33.Ng5 Kh8 34.Qg2 (34.Rea2!? Ra2 35.Ra2 b4 36.cb4 Nc6+-) 34...Qc7 (34...Rc6 35.Bd2 Ne6 36.Ne6 Re6 37.Re6 Qe6 38.Ra2 b4+=) 35.Bd2 (35.Qf3!? Qe7 36.Qg4+- (worse 36.Qd5 Bc6 37.Qc5 Qc7+=)) 35...Bg5 (better 35...Rf8!?=) 36.Bg5+- (36.Qg5?! Ne6 37.Qe3 Rf8 38.Qe5 Qe5 39.Re5 Bf7=) 36...Qc3 37.Bf6 Kh7 38.Raa2 (38.Rea2 Ra2 39.Ra2 A) 39...Qd3? 40.Ra7 (40.Bd8 Rf8=+) 40...Bf7 41.ef7 (41.Rf7?? Nf7 42.ef7 Qe3 43.Kh1 Qe1 44.Qg1 Qe4 45.Qg2 Rf8-+) 41...Qd1 42.Qf1 Qf1 43.Kf1 Nf7 44.Be5+-; B) 39...Qc1 40.Bf1 Qe3 41.Kh1 Nc6+-) 38...Ra2?? (better 38...Qc1 39.Qf1 Qf1 40.Kf1 Ra2 41.Ra2 Rf8=+) 39.Ra2+- Qe1?? (better 39...Qc1 40.Bf1 Qe3 41.Kh1 Nc6+-) 40.Kh2+- Qe6 ½–½. Ayza Casamitjana,Antoni (1815) – Minguell Soler,Joan (1940), 18th Obert Internacional Sant Marti Gro, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.0-0 h5

    11.Ra2 Kf8 12.g3 (12.Ba3 h4=) 12...g6 (12...h4 13.g4 Nh6 14.h3=+) 13.h3 Kg7 14.Kg2 (14.Ba3 Ba3 15.Na3 b6=) 14...Bd7 15.g4 (better 15.Ba3!?=) 15...hg4-/+ 16.hg4 Nh4 17.Nh4 Rh4 18.Bf4 Rh7 19.Bg3 Bh4 (19...Qc7 20.f4-/+) 20.Nd2 Bg3 21.fg3 Qg5 22.Qf3 Kf8 (22...Qe7 23.g5-/+) 23.Rf2 (23.Qf4 Qf4 24.gf4 b6=+) 23...Ke7 24.Nf1 (24.Qf4 Qh6 25.Kf1 Rah8-/+) 24...Rah8 25.Kg1 Rh1! 26.Kg2 (26.Qh1 Rh1 Double attack (26...Qg4 Deflection)) 26...Be8 (26...R8h7 27.Qf4 Qh6 28.Kf3-/+) 27.Bb5 (27.Rfb2 b6-/+) 27...Qh6 (27...Ne5!? 28.de5 Bb5 29.Qf7 Kd8 30.Ra7 Bf1 31.Kf3 Bg2 32.Rg2 Rf1 33.Rf2 Rf2 34.Kf2 Qd2 35.Kf3 Qc3 36.Kg2 Qc2 37.Qf2 Rh2 38.Kh2 Qf2 39.Kh1 Qa7-+) 28.Qf6=+ Kf8 29.Bc6 bc6 30.Kf3 Qc1 31.Ne3? (better 31.Ra7 Qe1 32.Ne3=) 31...R8h3 (31...Qc3 32.Ra7 Qd4 33.Qe7 Kg7 34.Qf6 Kg8 35.Qe7 Qe4 36.Ke2 Re1 37.Ke1 Qe3 38.Kf1 Qc1 39.Ke2 Qc2 40.Ke3 Qe4 41.Kd2 Qd4 42.Ke2 Qg4 43.Kd2 Qd4 44.Ke2 Qe5 45.Kd2 Qb2 46.Ke3 Qc3 47.Ke2 Qc2 48.Ke3 d4 49.Kf3 Qf5 50.Kg2 Qh3 51.Kf3 Qh5 52.Ke4 Qd5 53.Kd3 Qb3 54.Kd4 c5 55.Qc5 Qg3 56.Raf7 Rh4 57.R2f4 Rf4 58.Rf4 Qf4 59.Kc3-+) 32.Ra7 (better 32.c4-+) 32...Rg1 (32...Qc3?! 33.Qe7 Kg7 34.Qf6 Kg8 35.Re7=+) 33.Qe7 Kg7 34.Qf6 Kg8 35.Rg2 (35.Qf4 Rgg3 36.Qg3 Rg3 37.Kg3 Qe3 38.Rf3 Qg1 39.Kh3-+) 35...Rg2 36.Ng2 Qf1 37.Ke3 Rg3 (37...Rg3 38.Kd2 Rg2 39.Qf2 Qf2 40.Kd3 Qf3) 0–1. Archangelsky,Mikhail (2255) – Kadimova,Ilaha (2170), Russian Winter op, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Ba3 a6 12.Re1 Rb8 13.Nfd2 (13.Be7 Qe7 14.Nbd2 g5=) 13...g6 (13...Ba3 14.Ra3 Qg5 15.Nf3=) 14.Nb3 Bd7 15.N1d2 Ba3 16.Ra3 Na7 17.Nc5 Bb5 18.Bc2 Nc6 19.Ba4 Qe7 20.Qb1 Ba4 21.Ra4 The backward pawn on b7 becomes a target 21...0-0 22.Qb6 Rfc8 23.Rb1? (better 23.Nf3!?=) 23...Ne5!-/+ 24.Nb7 (24.de5 Qc7 Double attack (24...Rc5 Discovered attack; 24...Rc5 Deflection; 24...Qc7 Decoy; 24...Rc5 Overloading)) 24...Nc4 (24...Nd3 25.Qa6 Rc3 26.g3-+) 25.Nc4-/+ Rc4 26.Rc4 dc4 27.Qa7? (better 27.f4-+) 27...Qc7 28.Qb6 Qb6 29.Rb6 Ne7 30.Rb2 Nd5 31.Kf1 a5 0–1. Ciuffoletti,Paolo (2160) – Vezzosi,Paolo (2335), ITA–ch sf Saint Vincent, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    11.Ba3 b6 12.Be7 Nce7 13.Na3 Bb7 14.Qe2 0-0 15.Ng5 g6 16.Nc2 Qc8 17.Ra3 a5 18.Rb1 Qc7 19.Rab3 Nc8 20.Ne3 (20.Bf5 ef5 21.e6 f6=) 20...a4=+ 21.R3b2 Ne3 22.fe3 Qc3 23.Rc2 Qa5 24.Rc7 Ba6 25.Rf1 (25.Ba6 Qa6 26.Qc2 Ra7 27.Nf7 Kg7 28.Ng5 Kh6 29.Ne6 Rg8+-) 25...Ra7 26.Ne6 (better 26.Ra7!? Bd3 27.Raf7 Rf7 28.Qd3+-) 26...Rc7 27.Nc7 Bd3 28.Qd3 Ne7 29.Qa3 Nf5 30.e4? (better 30.Rf5 gf5 31.Kf1=+) 30...de4-+ 31.e6 fe6 (31...Nd4 32.e7 Qc5 33.ef8R Kf8 34.Qc5 bc5 35.Ra1+-) 32.Ne6 Rf7 (32...Rf6 33.Qa2 Ne3 34.Nc7 Kh7 35.Rb1-+) 33.Ng5 Rd7 34.Ne4 Rd4 35.Qa2 Kg7 36.Qe6 Qd5?? (better 36...Re4 37.Qe4 Qc5 38.Rf2 Ne3-+) 37.Qf6+- Kg8 (37...Kh7 38.Ng5 Kh6+-) 38.Qg6 Kh8 39.Nf6 Qg2 40.Qg2 Ne7 (40...Rd8 41.Qg6 Rd2 42.Qg8) 41.Qg5 Rg4 42.Ng4 hg4 (42...Nf5 43.Nf6 b5 44.Qg8) 43.Rf7 (43.Rf7 Ng6 44.Qf6 Kg8 45.Qg7; 43.Qh6 Kg8 44.Rf8) 1–0. Jukes,Sam (1860) – Yoon,Jacob D (2015), 20th 4NCL Congress, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6 10.0-0 h5)

    11.Ba3 Bd7 12.Qb3 (12.Nbd2 Ba3 13.Ra3 Qe7=) 12...Ba3 (12...Qb6 13.Qc2=) 13.Na3 (13.Ra3 Bc8=) 13...Nh4 (13...Na5!? 14.Qa2 Nh4 15.Nh4 Qh4=) 14.Nh4+= Qh4 15.Nb5 (15.Qb7 Rb8 16.Qc7 Qd8+-) 15...0-0= 16.Nd6 Rab8 (16...b6 17.f4=) 17.f4+= (17.Nb7? Bc8-+) 17...f5 (17...b6 18.Qd1+=) 18.Rf3 (18.Nf5 Qd8 19.Nd6 Qh4+-) 18...a6 (18...Qg4 19.Qb2+= (19.Nb7? Bc8-+)) 19.Raf1 (19.Nf5 ef5 20.Qd5 Rf7+-) 19...Qe7 (19...Ne7 20.R1f2 Nc8 21.Nf5+-) 20.Rg3 (20.Rh3 Be8+=) 20...Kh7 (20...h4 21.Rg5=) 21.Rg5 (21.Rh3 Be8+=) 21...g6 (21...h4 22.Ra1+= (22.Nb7? Bc8-+)) 22.Rf3 (22.Ra1 Nd8+=) 22...Rg8 (22...b5 23.Rh3 Na5 24.Qd1+-) 23.Rh3+- (23.Nb7? Bc8-+) 23...Rg7 (23...Na5 24.Qa2 Nc4 25.Qe2+-) 24.Qd1 (24.Be2 Be8+-) 24...Kg8 25.Be2 b5 (better 25...Be8!?+-) 26.Bh5+- b4?? (26...Be8 27.Rhg3 Qg5 28.Rg5 gh5 29.Ne8 Re8 30.Qh5 Ree7+-) 27.Bg6 (27.Bg6 Qg5 28.fg5+-; 27.Rg6?! Rg6 28.Bg6 Qg7+-) 1–0. Jacke,Corinna (2075) – Schulz,Petra (2120), Bundesliga, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.d4 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    11.Ba3 h4 12.h3 b6 13.Qe2 Na5 14.Nbd2 Kf8 15.Rfb1 Bd7 (15...Ba3 16.Ra3 Kg8 17.Raa1=) 16.Nh2 (16.Bf5 ef5 17.Be7 Ke7+=) 16...Rc8 17.Rc1 (better 17.Be7!? Qe7 18.Nb3=) 17…Ba3-/+ (17...Ba3 18.Ra3 Nd4-/+) 0–1. Gruenke,Paul – Prusikin,Michael (2555), 3rd LGA Premium Cup, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Na3 a6 12.Nc2 Na5 13.Ne3 (13.Ba3 Ba3 14.Ra3 Nc4=) 13...g6 (13...Ne3 14.fe3 b5 15.Ba3=+) 14.Qa4 Nc6 15.Qb3 Rb8 16.Ba3 b5 17.Bf5 (17.Nc2 Bb7=) 17...gf5 18.Be7 Qe7 19.g3 a5 Black prepares b4 20.Nh4 Qd8 21.Rfe1 b4 22.Rad1 (22.Nf3 f4 23.gf4 Ba6=+) 22...bc3 (22...f4 23.Neg2 fg3 24.fg3-/+) 23.Qc3=+ Bd7 (23...Nb4 24.Rb1=+) 24.Nhf5= ef5 25.Nd5 Kf8 26.Nf6 Rh6 27.d5 (better 27.Qe3 Rg6 28.Nh5=) 27...Ne5!-/+ 28.Nh5 (28.Qe5 Qf6 Remove defender; 28.Re5 Qf6 Remove defender) 28...Rh5 29.Re5 Rh6 30.Rde1 Qb6 31.Re7 Rd8 (31...Qd6 32.Qa5 Be6 33.Qc7 Bd5 34.Qd7-+) 32.Qe5 Qd6 33.Qe3 (33.Qd4 Bc6 (33...Qe7 34.Re7 Ke7 35.Qe3 Be6 36.Qh6 Rd5 37.Qf4+-) 34.R7e5 Bd5 35.Rf5 Qb4-+) 33...a4 (33...f4!? 34.Qc1-+) 34.Qg5 Qf6 (34...f4 35.R7e4 Re8 36.Re8 Be8 37.Kg2-+) 35.Qe3 (better 35.Qf4-/+) 35...Qd6 (35...f4 36.Qc5 Qd6 37.Qa5-+) 36.Qg5 Qf6 37.Qe3 f4! 38.Qe4 (38.Qf4 Qd6 Double attack (38...Qe7 Deflection; 38...Qd6 Decoy); 38.gf4 Qg6 Double attack) 38...Kg7 (38...Be6 39.Re6 fe6 40.Qb4 Qe7 41.Qf4 Rf6 42.Qa4-+) 39.Re5 (39.Re2 Bb5 40.Re1 Rdh8-+) 39…Rg6 0–1. Ardelean,G (2450) – Itkis,B (2450), Spring Festival GM, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    11.Na3 Bd7 12.Nc2 g6 13.Ne3 Rc8 14.Bf5 (14.Ba3 Ba3 15.Ra3 Qe7=) 14...gf5=+ 15.c4 (15.Ba3 f4 16.Be7 Qe7 17.Nc2=) 15...f4 (better 15...dc4!? 16.Nc4 Nb4=+) 16.cd5= fe3 17.dc6 ef2 (worse 17...Rc6 18.fe3 a5 19.e4+-) 18.Rf2 Bc6 19.Ra7 Rg8 (19...Bf3 A) 20.Rf3? Rc1 21.Qc1 Qd4 22.Qe3 Bc5 23.Ra8 Ke7 24.Rh8 Qd1 25.Kf2 Qd2 (25...Be3?! 26.Re3 b5 27.Rb8-/+) 26.Kg3 Be3-+; B) 20.gf3 b5 21.Be3=+) 20.Ra1 Qd5 21.Ba3 Ba3 (21...Bd8 22.Rc1=) 22.Ra3+= Qe4 23.Qd2 Qg4 24.Ne1 h4 25.Rf4 Qh5 26.Rh3 (26.Nf3 h3 27.g3 Bd5+=) 26...Rg4 (26...Rd8!?=) 27.Rg4+- Qg4 28.Qf2 Qg6 (28...Ra8 29.Rh4 Qg7 30.Qf6 Qf6 31.ef6+-) 29.Qh4 Kd7 30.Rg3 Qe4 Threatening mate... how? 31.Rg4 Qe3 32.Qf2 Qf2 33.Kf2 Bd5 34.Ke3 b5 ½–½. Bruaset,Eivind (2035) – Kalegin,E (2425), 17th Prague Open, 2018. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.0-0 h5)

    11.Na3 Kf8 12.Nc2 Na5 (12...h4 13.h3=) 13.Ne3 b6 (13...Ne3 14.fe3 Qc7 15.Qc2=) 14.Qc2 g6 15.Bd2 Kg7 16.Rad1 a6 17.g3 (17.Nf5 ef5 18.Ra1 h4=+) 17...b5 18.Nf5 ef5 19.h4 Nc4 20.Bc1 Be6 21.Ng5 (21.Bg5 Re8-/+) 21...Rc8 22.Qa2 Qb6 23.Bc4 (23.Nf3 Rc7-/+) 23...Rc4-+ (23...dc4?! 24.d5 Bd7 25.Be3=) 24.Bd2 f4! 25.Bf4 (25.Bf4 Rc3 Deflection; 25.gf4 Bf5 Combination) 25...Rc3 26.Ra1 (26.Ne6 fe6 27.Ra1 Ra8 (27...Qd4?! 28.Qa6 Kf7 29.Qb5=+) 28.Bh6 Kh7-/+) 26...Ra8 (26...Bg5 27.hg5 Qd4 28.Qa6-+) 27.Qd2 Rc4 28.Be3 Bb4 29.Qe2 Bg4 30.f3 Be6 31.Rad1 Rac8 32.Rf2 Bc3 33.Qd3 b4 34.g4 (34.Ne6 Qe6 (34...fe6?! 35.g4-/+) 35.Ra2 b3-+) 34...Rh8 (34...hg4 35.fg4 a5 36.h5+=) 35.Kg2 b3 (35...hg4 36.fg4 Rh4 37.Rh1 Rg4 38.Kf1 Bd4 39.Rf6 Rg5 40.Bg5 Be5 41.Rf2-+) 36.Kg3 b2 37.Qb1 Ra4 38.Qc2 Ra3 39.Rff1 (39.Ne6 Qe6 40.gh5 Rh5-+) 39...hg4 40.fg4 (40.Ne6 Qe6 41.Rb1-+) 40...Bd4 41.Rd4 (41.Rd3 Rd3 42.Qd3 Be3 43.Nf3-+) 41...Re3 42.Kg2 Qd4 43.Ne6 fe6 44.Rf7 Kh6 45.g5 Kh5 (45...Kh5 46.Qc5 Qg4 47.Kf1 b1Q 48.Qc1 Qc1 49.Kf2 Qe1) 0–1. Schulz,Michael (2290) – Barsov,Alexei (2445), Untergrombach op, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5)

    11.Na3 g6 12.h3 (12.Nc2 h4= (12...a5 13.Ba3 a4 14.Be7 Nce7 15.Ra3 Qc7 16.Qa1 Bd7 17.Rb1= 0.19) 13.Ba3 h3 14.g4 Nh4 15.Nh4 Rh4 16.Be7 Qe7 17.f4= 0.00; 12.Nb5 a6 13.Bf5 gf5 14.Bg5 0-0 15.Be7 Qe7 16.Re1 b6 17.Nd2= 0.25; 12.Nb1 0-0 13.Ba3 h4 14.Be7 Qe7 15.h3 Bd7 16.Bf5 gf5 17.Qd2= 0.19) 12...Bd7 (12...g5 13.Nh2 a6 14.Nc2 b6 15.Ba3 Qc7 16.Qd2 Rg8 17.Qe2= –0.12) 13.Ra2 (13.Rb1 b6=+ 14.Nc2 g5 15.Nd2 Qc7 16.Ba3 Ba3 17.Na3=+ –0.47; 13.Re1 g5 14.Nd2 a6 15.Qb3 g4 16.Bf5 ef5 17.Qb7=+ –0.44) 13...a6 (13...g5 14.Nd2 Qc8 15.Nb5 a6 16.Bf5 ab5 17.Ra8=+ –0.28) 14.g4? (better 14.Nc2!?=+ g5 15.Nd2 b5 16.Ba3 g4 17.hg4= 0.00; 14.Re1 g5 15.Nd2 b5 16.Nc2 Ra7 17.Ba3= –0.25) 14...hg4-+ 15.hg4 Nh4 16.Nh4 Rh4 17.f4 Qb6 18.Rff2 0-0-0 (18...Rc8 19.Be3-+) 19.Bf1 (19.Rh2 Rdh8-/+) 19...Rdh8-+ 20.Bg2 (20.Rh2 g5!-+) 20...Qc7 21.Nc2 (21.Nb1 Kd8-+) 21...Na5 (21...Kd8 22.Ba3-+) 22.Ne3 (22.Ba3 Ba3 23.Na3 Kd8-+ (23...Qc3? 24.Rfc2 Qc2 25.Nc2+-)) 22...Bb5 (22...Qc3? 23.Rfc2 Qc2 24.Qc2 Nc6 25.Ba3 Ba3 26.Ra3+-) 23.f5 gf5 (23...Qc3? 24.Rfc2 Qc2 25.Nc2+-) 24.gf5 Nc4 (24...Qc3? 25.Rfc2 Qc2 26.Nc2+-) 25.Nf1 Qd8 26.f6 Qg8 27.Rf3 Bf8 28.Rg3 Qh7 29.Bf3? (29.Kf2 Qb1 30.Qc2 Qc2 31.Rc2 Kd7-/+) 29...Bh6 (better 29...Ne5 30.de5 Bc5 31.Be3 Be3 32.Ne3 Rh1 33.Kf2 Rd1 34.Bd1-+) 30.Bg2?? (better 30.Bh6 Qh6 31.Rg7-+) 30...Qb1 31.Rc2 (31.Rd2-+) 31...Ba4 32.Bd5 (32.Qf3 Bc2 33.Bh6 R4h6 34.Qe2-+) 32...ed5 33.Qf3 Qc2 34.Qd5 (34.Bh6 R4h6 35.Qg2-+) 34...Bc6 35.Rg2 (35.Bd2 Bd5 36.Kf2 Be3 37.Re3 Rf4 38.Rf3 Rf3 39.Ke1 Qd3 40.e6 Rf1) 35…Rh1! (35...Rh1 36.Kh1 Be3 37.Nh2 Qc1 38.Rg1 Bd5) 0–1. Perez,Fl (2205) – Gentilleau,JP (2265), Scheveningen, Monte Carlo MNC, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6)

    11.Bf5 ef5 12.h4 (12.Ba3 h4=+) 12...Be6 (12...Bh4!? 13.Nh4 Qh4-/+) 13.Bg5=+ 0-0 14.Na3 (14.Be7 Qe7 15.Ng5 g6=+) 14...a6 (14...f6 15.ef6 Bf6 16.Re1=+) 15.Nc2 b5 16.Nce1 (16.Be7 Ne7 17.Ng5 g6=) 16...b4 (16...f6 17.ef6 Bf6 18.Nd3=+) 17.Be7 Qe7 18.Ng5 g6 (18...bc3?? 19.Qh5 Qg5 20.hg5 Nd4 21.Ra4+-) 19.Nd3 (19.cb4!? Rfb8 20.Ngf3=+) 19...bc3-/+ 20.Nf4 Kg7 (better 20...Rfc8!?-/+) 21.Rc1= Rh8 22.Rc3 Nd8 23.Qb3 Ra7 24.Rfc1 Qb7 (24...a5 25.Qb6 Kh6 26.Rc5+= (26.Nge6?! fe6 27.Rc8 Re8+=)) 25.Qa3 Qb8 26.Rb3 Rb7 27.Rb7 Qb7 28.Qd6 Re8 (28...Kh6 29.Nfe6 Ne6 30.Ne6 fe6 31.Rc7 (31.Qe6?! Rh7+-) 31...Qb1 32.Kh2+-) 29.Rc7 (29.Nfe6?! Ne6 30.Rc7 Nc7 31.Qf6 Kh6 32.Nf7 Kh7 33.Ng5 Kh6 34.Nf7 Kh7 35.Ng5 Kh6 36.Nf7=) 29...Qb1 30.Kh2 Kg8 (30...Qb8 31.Nfe6 Ne6 32.Ne6 Re6 33.Rf7 Kf7 34.Qb8+-) 31.Nge6 (31.Nfe6 Ne6 32.Qd7 Rf8 33.Nf7 Qc1 34.Qe6 Qh1 35.Kh1 Kg7 36.Ng5 Rf7 37.Qf7 Kh6 38.Qf8) 31...Ne6 32.Qd7 (32.Qd7 Nc7 33.Qc7-+) 1–0. Gajewski,Grzegorz (2455) – Smirnov,Igor (2450), Balatonlelle HUN, EU ch–T, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6)

    11.g3 g6 (11...h4 12.g4 Nh6 13.h3=+) 12.h4 Rb8 13.Bg5 Bd7 14.Nbd2 Na5 (14...0-0 15.Be7 Qe7 16.Qb3=+) 15.Be7 Ne7 16.Ng5 Qc7 17.Qf3 Nf5 18.Bf5 (18.Rfb1 Ra8=) 18...gf5 19.Nh3 Bb5 20.Rfb1 Nc4 (20...a6 21.Nf4=+) 21.Nf1 (better 21.Nc4 Bc4 22.Ra7+-) 21...a6=+ 22.Nf4 Rc8 23.Nh5 Ne5 (better 23...b6=+) 24.de5+- Qe5 25.Qf4 Qf4 26.Nf4 0-0 (26...Rc3?? 27.Rb5 ab5 28.Ra8 Ke7 29.Rh8+-) 27.Ra3 Rc5 28.Ne3 Rfc8 29.Rbb3 Kf8 30.Kg2 Rd8 31.Rb2 (31.Nh3 d4 32.cd4 Rd4+-) 31...Rdc8 32.Nd1 e5 33.Ne2 Rc4 (better 33...Ke7!?+=) 34.Ne3+- Re4 35.Ng1 f4 36.gf4 (36.Nd5!? Rc5 37.Rb4+-) 36...Rf4 37.Nf3 (37.Nd5 Bc6 38.Rd2 Rd8-/+) 37...d4 38.cd4 ed4 39.Nd5 (39.Kg3 Rf3 40.Kf3 de3 41.Re3 Kg7+=) 39...Rg4+= 40.Kh3 Rg6 (40...f5 41.Ne5 Rc5 42.Ng4 fg4 43.Kg4 Rd5 44.Rd2+=) 41.Ne5 (41.h5 Rd6 42.Nf4 Re8+-) 41...Rg1 (41...Bf1!? 42.Kh2 Rd6+=) 42.Rf3 Rg7 43.Rb4 (43.Rf4 d3 44.Nb4 Rc1+-) 43...Rc1+- 44.Kh2 (44.Rg3 Rc2+-) 44...Re1+- 45.Rf5 Re4 46.Rh5 (better 46.Nf4!? Ke7 47.h5+-) 46...Re2+- 47.Rf5 (47.Rd4?! Rf2 48.Kh1 Rf1 49.Kh2 Rf2 50.Kh1 Rf1 51.Kh2 Rf2=) 47...Re4 48.Nf4 Rh7 49.f3 Re1 50.h5 1–0. Martens,M (2430) – Buckley,Si (2310), ACT Open Amsterdam NED, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    10.g4 Nh4

    11.Nh4 Bh4

    12.0-0 Bd7 13.f4 Be7 14.Nd2 Qb6 15.Nf3 Na5=+.

    12.0-0 Bd7 13.f4 Be7 14.Qe2 g6 (14...0-0 15.f5-/+) 15.Na3 a6 16.Nc2 Na5 (16...Qc7 17.Ba3=+) 17.Rb1 (17.Ba3 Bh4=+) 17...Rc8 18.f5 (18.Bd2-/+) 18...Rc3 (18...ef5 19.Ne3-/+) 19.fg6 (better 19.f6!? Bf8 20.Bd2 Rd3 21.Qd3=) 19...hg6-/+ 20.Qf3 0-0 (20...Rh7 21.Bd2 Rc8 22.Ba5 Qa5 23.Rb7-/+) 21.Bh6 Bg5 (21...Bb5 22.Bf8 Qf8 23.Rb5 ab5 24.Qe2-/+) 22.Bf8= Qf8 23.Qe2 Qh6 24.Rf3 (24.Qf3 Qg7 25.Qe2 f6=) 24...Rc7 (24...Ba4!? 25.Rbf1 Bc2 26.Bc2 Be3 27.Kh1 Nc6=+) 25.Rbf1 (25.Qf2 Ba4 26.Rf1 Bc2 27.Bc2 Nc4 28.Rf7 Be3 29.Rc7 Qg5 30.Qe3 Qe3 (worse 30...Ne3 31.Rc8 Kg7 32.Rc7 Kh6 33.Rf3-/+) 31.Kh1 Qe2-+ (31...Qd4 32.Bg6 Qc5 33.Bf7 Kg7 34.Rc5 Ne5 35.Rc7 Nd7 36.Rd7 Kh6 37.h4 Kg7 38.Be6 Kg6 39.Rdf7 b5 40.R1f6)) 25...Be8 26.Qg2 Nc4 27.Rh3 Qg7 28.Rf2 (28.Qf2 Ba4 29.Bc4 dc4=+) 28...Nb2 29.Bf1 b5 (29...Ba4 30.Ra3=+) 30.Ra3= Na4 31.Qg3 Bc1 (31...Qh6 32.Qg2=+) 32.Ra2 (32.Rb3 Qh6=) 32...Qh6 33.Rf3 (33.Qf3 Rc3 34.Qg2 b4 35.Nb4 Be3=+) 33...Qd2 34.Qf2 (34.Rd3 Qf4 (worse 34...Rc2 35.Rd2 Rd2 36.Rd2 Bd2 37.Kg2+=) 35.Qf4 Bf4=+) 34...Qf2-/+ 35.Rf2 Rc3 (35...a5 36.Ra1 Bg5 37.Ra2-/+) 36.Kg2 Rc6 (better 36...a5!?-/+) 37.Nb4= Rc8 (37...Be3 38.Nc6 Bc6 39.Rac2=) 38.Rac2 (worse 38.Na6 Be3 39.Rac2 Nc3-/+) 38...Rc2 39.Rc2 Bb2 (39...Be3 40.Rc8 Kf8 41.Na6+=) 40.Rc8 (better 40.Na6!? f6 41.Nc7+-) 40...Kf8+= 41.Na6 Nb6 (41...Ke7 42.Re8 Ke8 43.Bb5 Ke7 44.Ba4 Bd4 45.Nb4 Be5 46.Nc6 Kd6 47.Ne5 Ke5 48.Be8+-) 42.Rb8 Nd7 43.Rb7 Bd4 44.Bb5 Ne5 45.Rb8 Ng4 46.Re8 Kg7 47.Nb4 Ne3 48.Kf3 Nf5 49.Ba6 (49.Bd3 Kf6+-) 49...Nd6 50.Rd8 Ne4 51.Nd3 (51.Bd3 Nc5+-) 51...Kf6 52.Bb5 Kf5 53.Be8 f6 54.h4 (54.Bd7 g5+-) 54...Nd2+- 55.Ke2 Nc4 (better 55...Nb3!?+-) 56.Bf7+- 1–0. Ashby,Ann (2105) – Lalic,Susan (2360), 4NCL West Bromwich ENG, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    12.0-0 Bd7 13.f4 Be7 14.f5 Qc7 (14...h5 15.Qb3 hg4 16.fe6 Be6 17.Qb7-/+) 15.Na3 Na5 (15...Qb6 16.Rb1 Qa5 17.Qb3=+) 16.Nb5 Bb5 17.Bb5 Nc6 18.fe6 fe6 19.g5 g6 (19...Kd8 20.Kg2=+) 20.Qg4= Qd7 21.Qh3 a6 22.Kh1 (22.Bd3 0-0-0 23.Kg2+=) 22...Rc8 (better 22...Qc8!? 23.Bd3 Kd7=) 23.Bd3+- Kd8 24.Bg6! Kc7 (24...hg6 25.Qh8 Pinning (25.Qh8 Deflection)) 25.Bd3 (25.Bf7 Rcf8+-) 25...Rcg8 (25...Rcf8 26.Rf8 Bf8 27.Be3+-) 26.Rf7 h6 27.g6 Nd8 28.Rh7 Rh7 (28...Nc6 29.Bh6 (29.Rh6?! Rh6 30.Qh6 Qe8+-) 29...Rc8 30.Rh8 Rh8 31.g7+-) 29.gh7 Rh8 30.Bh6 (30.Qh6?! Nc6+-) 30...Nf7 31.Rf1 (31.Rf1 Ba3 32.Bg7+-) 1–0. Konstantinov,Alexa (2410) – Nikitin,An (2470), Kaissa I Alushta UKR, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6 10.g4 Nh4 11.Nh4 Bh4)

    12.0-0 Be7 13.Na3 Bd7 14.f4 a6 15.f5 h5 16.gh5 Ba3 17.Ra3 Qh4 18.Be2 ef5 19.Rf4 (19.Qb3!?+=) 19...Qe7 20.c4 dc4 21.Rg3 b5 22.Rg7 0-0-0 (22...Qf8 23.Rg3-/+) 23.Rf2 Be6 24.Bg5 Qf8 25.h6 Rd4 26.Qa1 Kb7 27.Bf3 Rg4 28.Bg4 fg4 29.Be3 Qe7 30.h7 (30.Ra2 Nb4 31.Qd4 Qc7 32.Qa7 Kc8 33.Ra6 Na6 34.Qa6 Qb7+=) 30...Bd5 31.e6 Be6 32.Rgf7 Bf7 33.Qh8 Bg6 34.Qf8 Qh7 35.Qc5 Qc7 36.Rf4 g3 37.hg3 Qa5 38.Kh2 b4 (better is 38...Qd8!?=) 39.Qc4+/- Qh5 40.Kg2 Qb5 41.Qe6 Qe2 42.Rf2 Qd3 43.Kh2 a5 44.Rd2 Qe4 (44...Qc3+-) 45.Rd7 Ka6 (45...Kb8 46.Qd6 Ka8+-) 46.Ra7 Kb5 47.Rb7 (47.Rb7 Ka6 48.Rb6 Ka7 49.Qd7 Ka8 50.Qb7) 1–0. Lampen,Timo – Tolonen,Leo, Jyvaeskylae JyS, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    12.0-0 Be7 13.f4 a6 14.f5 Bg5 15.f6 gf6 16.Bg5 fg5 17.Nd2 Qc7 18.Qf3 Qe7 19.Qe2 Ra7 20.Rf6 b5 21.Qf2 (21.Nf3 h6-/+) 21...Rc7 22.Rf1 Qf8 23.Nf3 Qg7 24.Qe3 h6 25.Nd2 h5 26.Nf3 (26.gh5 Rh5 27.R1f2-+) 26...hg4 27.Ng5 Nd8 28.Qf4 Qg8 (28...Bb7!? 29.Qg4 Rc3 30.Bg6 fg6 31.Re6 Ne6 32.Qe6 Qe7 33.Qg6 Kd8 34.Nf7 Kc7 35.Nh8=) 29.Qg4 Rc3 30.R1f3 Rc1 31.Kg2 Ra1 32.h4 Ra2 33.Kg3 b4 34.h5 b3 (34...Rd2 35.h6 b3 36.Bf1-+) 35.Bb1 (35.Bg6 A) worse 35...fg6 36.Rg6 Ra1 37.Kg2-+ (37.Rg8?? Rg8 38.Kf2 b2-+); B) 35...Ra1 36.Rf7 Rg1 37.Kf4 B1) 37...Nf7 38.Qg1 Kd7 39.Bf7+- (39.Nf7?! Rh5 40.Ke3 b2+-); B2) 37...Rg4 38.Kg4 Nf7 39.Bf7 Qf7 40.Rf7 a5-/+) 35...Ra4 (35...Rd2 36.Rb3 Rd4 37.Qd4 Qg5 38.Kf2 Rh5 39.Rc3 Rh2 40.Ke1-+) 36.Nf7 (better 36.Bg6!? Ra1 37.Rf7 Rg1 38.Kf4 Rg4 39.Kg4 Nf7 40.Bf7 Qf7 41.Rf7-+ (41.Nf7? 0-0-+)) 36...Qg4-+ (36...Nf7 37.Bg6 Kd8 38.Rf7+-) 37.Kg4 Rd4 38.Kg5 Nf7 39.Rf7 b2 40.Bg6 Kd8 41.Rf8 Rf8 42.Rf8 Kc7 43.h6 Rd1 44.h7 Rg1 45.Kh4 1–0. Seidel,Michael – Boehnke,Hartmut, DESC, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.Bd3 Nge7 7.a3 Nf5 8.ab4 Bb4 9.c3 Be7 10.g4 Nh4 11.Nh4 Bh4)

    12.0-0 Be7 13.f4 Bd7 14.Ba3 a6 15.f5 h5 16.Be7 Qe7 (worse 16...Ne7 17.f6 gf6 18.ef6=; 16...Ke7?! 17.gh5 Qb6 18.fe6 Be6 19.Bf5=) 17.f6 gf6 18.Rf6 hg4 19.Ra2 0-0-0 20.Qf1 g3! 21.hg3 Rdg8 22.Qf4 Rh3 23.Rg2 Be8 24.Kf2 (24.Rh6 Rh6 25.Qh6 a5-/+) 24...Rgh8 25.Qc1 Nb8 (25...Qf8 26.Nd2-+) 26.Nd2 Rh1 (26...Nd7 27.Rf4 f6 28.ef6 Nf6 29.Qe1-+) 27.Nf1 (better 27.Rg1!? R8h2 28.Ke3 Rg1 29.Qg1-/+) 27...Nd7-+ 28.Rf4 f6 29.ef6 Nf6 30.Qe3 Rf8 31.Ke1 Ne4! 32.Be4 de4 33.Rgf2?? (33.Qe4 Rf4 34.gf4-+) 33...Rf4-+ 34.Rf4 (34.Qf4 Qa3 35.Rc2-+) 34...Qa3 35.Kf2 Bb5 (better 35...Qb2 36.Qe2 Qe2 (36...Qc3?! 37.Kg2 Rh8 38.Qe3 Qc2 39.Qf2-+) 37.Ke2 Bb5 38.Ke3 Rf1 39.Re4 a5-+) 36.Kg2-/+ Rh8 37.Rf2? (37.Nd2!?-/+) 37...Qe7 (37...Qa1 38.Kg1 Bf1 39.Rf1 Rh1 40.Kh1 Qf1 41.Kh2-+) 38.Kg1 Bc6 39.Rh2 Rf8 (39...Rh2 40.Nh2 e5 41.Ng4 ed4 42.cd4-+) 40.Rf2 (40.Nd2 Qa3 41.Re2 Qc1 42.Re1 Qc2-/+) 40...Rf3 (40...Rf2 41.Kf2 a5 42.Nd2-+) 41.Rf3-/+ ef3 42.Nd2 (42.Qe5 b6-/+) 42...Qf6-+ 43.Kf2 Qf5 (43...a5 44.Nc4 Qg6 45.g4 Qg4 46.Na5 Qg2 47.Ke1 Qg3 48.Kd1 Ba4 49.Kd2-+) 44.Qh6 (44.Nf3?? a5-+) 44...Kb8 45.Qh8 Ka7 46.Qe5 Qe5 47.de5 Kb6 (47...a5!? 48.g4 a4-/+) 48.g4-/+ (48.Nf3? Bf3 49.Kf3 a5-+) 48...Kc5 (48...Kb5 49.g5 Be8 50.Ke3-/+ (50.Nf3? Kc4-+)) 49.Nf3 (49.g5!? Be8 50.Kf3-/+ (50.Nf3? a5 51.Ke3 Kd5-+)) 49...Kd5-/+ 50.Ke3 a5 51.Kf4? (better 51.g5!? Be8 52.Kd2-+) 51...a4 52.Ne1 (52.Nd4-+) 52...a3 (52...Kc4 53.Ke3 a3 54.Nc2-+) 53.g5?? (53.Nc2 Kc4 54.Na3 Kc3=) 53...Be8 (53...a2 54.Nc2 Kc4-+) 54.Ke3?? (better 54.Nc2=) 54...a2 (better 54...Kc4 55.Nc2 a2 56.Kd2-+) 55.c4 (55.Nc2 Kc4 56.Na1 Kc3 57.Ke4-+) 55...Kc5 56.Kd3 Bg6 (56...Bg6 57.Ke3 a1Q-+) 0–1. Nabuurs,Mart (2160) – Michiels,Bart (2455), 4th Maastricht Limburg op–A, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    12.0-0 Be7 13.f4 g6 14.f5 (14.Ba3!?=+) 14...ef5-/+ 15.gf5 Bf5 16.Bf5 gf5 17.Qh5 Qd7 18.Ra2 0-0-0 (18...Qe6 19.Kh1-/+) 19.Qf5 (19.Rf5 Rdf8 20.Bh6 (20.Rf7? Rhg8 21.Rg2 Rg2 22.Kg2 Rf7 23.Qf7 Qg4 24.Kf2 Bh4 25.Kf1 Qd1 26.Kg2 Qc1 27.Qg8 Kc7 28.Qh7 Be7-+) 20...Rfg8 21.Rg2 Rg2 22.Kg2 Rg8 23.Kf3-/+) 19...Rdg8 20.Kh1 Rg7 (20...Qf5 21.Rf5 Rg7 22.Bh6-/+) 21.Raf2 (21.Qh5 Rhg8-/+) 21...Nd8 (21...Qf5 22.Rf5 Nd8 23.Ba3-/+) 22.Qd7 (22.Qf3!?=+) 22...Kd7-/+ 23.Ra2 Nc6 24.c4? (better 24.Rb2!? b6 25.Rb5-/+) 24...dc4-+ 25.d5 (25.Bb2 Ke6-+) 25...Ne5 26.Bb2 f6 27.Ra7 Rb8 28.Nd2 Rg4 29.Be5 fe5 30.Nf3 (30.Rc1 Bc5 31.Ra5 Bb4-+) 30...Bd6 (30...Kd6!? 31.Rb1 c3 32.Rb3-+) 31.Rb1 Kc7 0–1. Terrac,J – Komarov,Dimitri (2460), Hyeres op, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    12.0-0 Be7 13.f4 h5 14.g5=+.

    12.0-0 f5 13.gf5+= ef5 14.Qh5 g6 15.Qh6 Kf7 16.Na3 Be7 17.Nb5 Be6 18.Ba3 Bg5 (18...Qf8 19.Qe3+/-) 19.Nd6+/- Qd6 20.Qg5 (20.ed6?? Bh6 21.Rfb1 Rab8-+) 20...Qd8 21.Qh6 a6 22.Rfb1 b5 23.Bc1 Ra7 24.Ra2 (24.Rb3 Qc8+/-) 24...Ke8 (better is 24...b4!?+/-) 25.Rba1 Qb6 26.Qh4 Rf8 (26...Bc8+-) 27.Ba3 b4 28.Bb4 Nb4 29.cb4 Qb4 (29...Bc8 30.Rc2 Rc7 31.Rc7 Qc7 32.Ba6 Rf7+-) 30.Ra6 Ra6 31.Ra6 Bc8 32.Ra8 Qb7 (32...h5 33.Rc8 Kd7+-) 33.Bb5!! (33.Bb5 Qb5 34.Rc8 Kd7 35.Rf8 Qb1 36.Kg2 Qe4 37.Qe4 fe4 38.Rf7 Ke8 39.Rh7+-) 1–0. Mortensen,Erling (2450) – Tisdall,Jonathan D (2450), Nordic–ch, 1987.

    12.0-0 g6 13.Na3 (13.Bh6 Bg5 14.Bg5 Qg5=+) 13...Be7 (13...f6 14.f4=+) 14.Bh6 Bg5 (14...f5 15.ef6 Bf6 16.Qd2=+) 15.Bg5= Qg5 16.Nb5 Kf8 (16...0-0 17.f4 Qe7 18.g5=) 17.f4 (17.Nc7 Rb8 18.f4 Qh4=) 17...Qe7 (17...Qh4 18.Nc7 Rb8 19.f5 gf5 20.gf5 Rg8 21.Kh1+=) 18.f5 (18.Kh1 Kg7+=) 18...gf5 (18...ef5 19.Nd6 f6 20.gf5=) 19.gf5+= ef5 20.Kh1 Rg8 21.Qf3 Be6 (21...Rg5 22.Nd6+= (22.Qd5?! Bd7 23.Be2 Ne5 24.Qe5 Bc6 25.Rf3 a6=)) 22.Nd6 Increasing the pressure on the isolated pawn on f5 22...Rd8 23.Bf5 Rd7 (23...Bf5 24.Nf5 Qe6 25.Nd6+=) 24.Bh7 Rh8 25.Qh5 Rd6 26.ed6 Qd6 27.Rae1 (27.Qh6 Ke8 28.Rf7 Kf7 29.Qg6 Ke7 30.Qg7 Kd8 31.Qh8 Kd7 32.Qg7 Kc8+-) 27...Nd8 (27...Qe7 28.Qh6 Ke8 29.Qg7+-) 28.Qh6+- Ke8 29.Qg7 (29.Rf7 Kf7 30.Rf1 Ke7 31.Qf6 Kd7 32.Qh8 Nc6+-) 29...Rf8 (29...Qf8!? 30.Qf8 Kf8+=) 30.Bf5 Ke7 (30...b5 31.Be6 Ne6 32.Qe5+-) 31.h4 (31.h4 b5 32.h5+-) 1–0. Salmensuu,Olli (2415) – Wiley,Tom E (2290), 19th Open, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    12.0-0 h5 13.gh5=+ Bg5 (13...Qe7 14.Na3=+) 14.f4 (14.Qg4 Bc1 15.Rc1 Qe7=) 14...Bh6 (14...Be7 15.Qg4=+) 15.Qg4 (15.Na3 Qa5 16.Bb2 Kd7=) 15...Ne7 16.Kh1 (16.Na3 Bd7=+) 16...Nf5 17.Rg1 0-0 (17...Bd7!?-/+) 18.Ra2 Kh8 19.Qh3 Bd7 20.Rag2 (20.Qf3 Qh4=+) 20...Rg8 21.Bd2 b5 22.Be1 a5 23.Bf5 ef5 24.Bh4 Qf8 Black prepares the advance b4 25.Bg5 Ra6 26.Qh4 (26.Qf3 a4=+) 26...b4 (26...Qe8!?=+) 27.Be7 Qb8 28.Bf6? (28.cb4 ab4 29.Rb2 b3=) 28...Bb5 (28...a4!? 29.Bg5 b3-/+) 29.Qh3=+ Qc8 (worse 29...gf6 30.Rg8 Qg8 31.Rg8 Kg8 32.Qf5 fe5 33.fe5+-; worse 29...Rf6 30.ef6 Qf4 31.Nd2+=) 30.Rg5? (30.cb4 ab4 31.Bg5 Ba4=+) 30...Rc6?? (30...Bg5 31.Bg5 f6 32.Bh4 fe5 33.fe5-+) 31.Qg3? (better 31.R5g3 Be2 32.Qg2-/+) 31...Qf8 (31...Bg5 32.Bg5 bc3 33.h6 gh6 34.Nc3 Rg5 35.fg5 Rc3 36.Qh4-+) 32.Qh3 Qc8 33.Qg3 Qf8 (worse 33...Bg5 34.Qg5 Kh7 35.Be7-+; 33...Rf6?! 34.ef6 Bg5 35.fg5 gf6 36.g6=+) 34.Qh3 Be2 (34...Bg5 35.Bg5 bc3 36.h6 gh6 37.Bf6 Rf6 38.Rg8 Qg8 39.ef6-+) 35.Qe3 (35.R5g2 Bg4 36.Qg3 gf6-+) 35...Bg4 (35...Rf6?! 36.ef6 Bg5 37.Rg5+=) 36.h3 (36.cb4 Qb4 37.h3 Bg5 38.fg5 gf6 39.g6-+) 36...gf6?? (better 36...Bg5 37.Bg5 Bh5-+) 37.Rg8-/+ Qg8 38.hg4 fg4 39.cb4 ab4 40.Qe2 (40.ef6 Qc8 41.Qe5 Qe6-/+) 40...f5 (40...Bf4 41.ef6 Re6 42.Qg4 Qg4 43.Rg4 Rf6 44.Kg2-+) 41.Qb5-/+ Rc2 42.Qd3 (42.Rg2 Qc8 43.Qb4 (43.Qd5?? Qa6 44.Nd2 Rd2-+) 43...Rc1 44.Rg1 Rg1 45.Kg1 Qc1 46.Kg2 Qf4 47.Qb8 Kg7 48.Qb3 Qe4 49.Kf1-+) 42...Qc8 43.Rg2 (43.Qe3-+) 43...Rc1 44.Rg1 Bf4 45.Rc1 (45.Rd1 Qc4 46.Kg2 Qa2 47.Rd2 Bd2 48.Nd2 f4-+) 45...Qc1 46.Kg2 Qe3 (46...Qe3 47.Qe3 Be3-+) 0–1. Theuretzbacher,Klaus (2250) – Pesorda,I (2235), 2nd Bundesliga Mitte, 2014. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6 10.g4 Nh4 11.Nh4 Bh4)

    10.h4 h5

    11.Ba3 Ba3 12.Na3 f6 13.ef6 Qf6 14.Nb5 0-0 15.Qe2 Bd7 16.Ng5=+.

    11.Ba3 g6 12.Be7 Qe7 13.Bf5 gf5 14.Na3 f6 15.ef6 Qf6 16.Nb5=.

    11.Ba3 g6 12.Bf5= ef5 13.Qd2 (13.Qb3 Ba3 14.Na3 0-0 15.Nb5 Qb6 16.Rb1=) 13...Be6 (13...0-0 14.Be7 Qe7 15.Qh6 Re8 16.0-0=) 14.Be7 Qe7 15.Na3 (15.0-0 a5 16.Na3=) 15...Kf8 (15...f6 16.0-0=+) 16.Nb5= (16.0-0=) 16...Kg7 17.0-0 b6 18.Rfb1 Na5 19.Nd6 (19.Qf4 Nc4=) 19...Rhd8=+ 20.Ng5 Nc4 21.Nc4 dc4 22.Rb4 (22.Ne6 Qe6 23.Qg5 f6 24.ef6 Qf6 25.Qf6 Kf6=+) 22...Bd5 23.f3 (23.Qf4 Qc7=+) 23...Rab8 (23...f6 24.ef6 Qf6 25.Ra6-/+) 24.Ra6 (24.Qf4 Rb7=+) 24...Rb7 25.Qe1 f6 26.ef6 Kf6 27.Qg3 Qd6 28.Qd6 Rd6 29.Nh3 Re7 30.Nf4 Bf7 31.Kf2 Rd8 32.Rba4 Rdd7 33.Rb4 Rd8 (33...g5 34.hg5 Kg5 35.g3=+) 34.Rba4= Rdd7 35.Rb4 Rd8 ½–½. Cuartas Medina,JH (2280) – Jerez Perez,Alfonso (2405), CAT, Team ChampionshipGp1 Round 1–3, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.h4 h5)

    11.Ba3 g6 12.g3 Bd7 13.Qb3 Na5 14.Qa2 b6 15.Ba6 (15.Nbd2 Ba3 16.Qa3 Qe7=) 15...Bc6 16.Nbd2 0-0 17.0-0 Ba3 18.Qa3 Nc4 19.Qb3 (19.Bc4 dc4 Combination; 19.Nc4 dc4 Combination) 19...b5 20.Rfb1 (20.Nc4 dc4 (20...bc4?! 21.Qa2=+) 21.Qd1 Qd5-+) 20...Rb8 21.Qb4 (21.Nc4? dc4 (21...bc4?! 22.Qa2=+) 22.Qd1 Qd5-+) 21...Qe7 22.Qe7 Ne7 23.Nb3 Rb6 24.Nc5 Rfb8 25.Rb4 Be8 26.Rab1 (26.Kf1 Kg7=) 26...Na3 (26...Nc6 27.R4b3-/+) 27.R1b2 (27.Rc1 Kg7=+) 27...Nc6-/+ 28.R4b3 Nc4 Black prepares b4 29.Ra2 b4 30.Kg2 (30.Kf1 N4a5 31.Rb4 Nb4 32.cb4 Nc6-/+) 30...N4a5 31.Rb1 (31.Rb4!? Nb4 32.cb4-/+) 31...bc3-+ 32.Rba1 (32.Rc1 Nb3 33.Rc3 Nb4 34.Rb3 Na2-+) 32...Nb3 33.Nb3 Rb3 34.Bf1 Rb2 35.Ne1 (35.Ra3 c2 36.Rc1 Nb4-+) 35...Ra2 36.Ra2 Nd4 (36...Rb1 37.Nc2 Rb2 38.Rb2 cb2 39.Na3 Nd4 40.Bd3-+) 37.Ra7 (37.Bd3 Nc6 38.f4 Rb2 39.Rb2 cb2-+) 37...Rb1 38.Ra8 (38.Ra3 Re1 39.Rc3 Re5-+) 38...Re1 39.Re8 Kg7 0–1. Moro,Antonio Renato Pere (1770) – Lima,Endson Dos Santos (2060), 2nd Floripa Open, 2016. (=1.e4 c5 2.a3 e6 3.Nf3 d5 4.e5 Nc6 5.b4 cb4 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Ba3 Nh4 12.Be7 (12.Nh4 Bh4 13.g3=+ Bg5 14.f4 Bh6 15.Rh5 Bd7 16.Bd6=+) 12...Nf3 13.Qf3 Qe7 14.Rh5 Rh5 15.Qh5 Bd7 16.Na3=.

    11.Na3 a6 12.Bf4 Na5 13.Kf1 (13.Bg5 Qc7 14.Qc2 0-0=+) 13...Bd7 (13...Nh4 14.Nh4 Bh4 15.Nc2-/+) 14.Nd2 (14.Bg5 Qc7 15.Bf5 ef5 16.Be7 Ke7-/+) 14...Rc8 (14...Nh4 15.Kg1-/+) 15.Nab1 Bb5 (worse 15...Bh4 16.g4 hg4 17.Qg4=+) 16.Nf3 (16.Bb5 ab5 17.Nf3 b4-/+ (worse 17...Nh4 18.Nh4 g5 19.Bg5 Bg5 20.g3=+; 17...Bh4?! 18.Rh4 Nh4 19.Bg5=)) 16...Nc4 17.Ra2 (17.Ke1 Nh4 18.Nh4 Bh4-/+) 17...a5 (17...Nh4 18.Nh4 Bh4 19.g3-+) 18.g3 Kf8 (18...b6 19.Kg2-/+) 19.Kg2 g6 20.Ng5 (20.Bf5 ef5 21.Bg5 Kg7-/+) 20...Kg7-/+ 21.Re2 (21.Qe2 Qc7-/+) 21...Bc6 (21...Qc7 22.Ra2-+) 22.f3 (22.Ra2 Qc7-/+) 22...b5 23.Qc1 b4 24.g4 hg4 25.fg4 Nh6 26.Qc2 (26.cb4 Ng4 27.ba5 Qa5-/+) 26...b3 (26...Ng4 27.Kf3 Nh6 28.Bg6-+) 27.Qc1? (27.Qb3 Ng4 28.Qc2-+) 27...Ng4 (27...a4!? 28.Rf1-+) 28.Kf3 Nh6 29.Bg6? (29.h5 Nf5 30.Qg1-+) 29...Qd7 (29...Kg6 30.Rg2 Kh5-/+) 30.Bd3-/+ Rcg8 (better 30...Rhg8!?-/+) 31.Rg2 (31.Rg1!? Bg5 32.Bg5+-) 31...Kf8-/+ 32.Nh7 Ke8 33.Rg8 (33.Bh6?? Ne5! 34.de5 d4 35.Ke2 Rg2 36.Ke1 Rg3-+) 33...Ng8 34.Qg1 Bf8 35.Rh2 (35.Nf8 Kf8 36.Qg5 Qe7-/+) 35...a4-/+ 36.Rg2 Rh7 37.Rg8 (37.Bh7 Ne7-/+) 37...Rh4 38.Bg5 (38.Qg5!? Rf4! 39.Qf4-/+) 38...Rh3-+ 39.Ke2 a3?? (better 39...Qc8 40.Qg2 Rd3=) 40.Bf6+- Re3 41.Kf2 Rf3 42.Kf3 Ne5 43.de5 d4 44.Ke2 Bf3 45.Kf3 Qc6 46.Be4 Qe4 47.Ke4 a2 (47...Kd7 48.Qd4 Kc6 49.Rf8 Kc7 50.Qa7 Kc6 51.Rc8 Kb5 52.Na3) 48.Qf1 (48.Qf1 Kd7 49.Qb5 Kc7 50.Bd8 Kc8 51.Qc6 Kb8 52.Bc7 Ka7 53.Qb6 Ka8 54.Rf8; 48.Na3 Kd7 49.Qd4 Kc6 50.Rf8 a1Q 51.Qd6 Kb7 52.Rf7 Kc8 53.Qc7) 1–0. Evertsson,Kristian (2035) – Gunnas,Martin, Stockholm op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Na3 a6 12.Bg5 Bd7 13.Nc2 Rc8 14.Ne3 (14.Qb1 Rc7=) 14...g6 (14...Ne3!? 15.fe3 Na7-/+) 15.Bf5 gf5 (worse 15...ef5 16.Nd5 Be6 17.Nf6 Kf8 18.d5 Ne5 19.Ne5 (19.de6?! Nf3 20.Qf3 Bf6=) 19...Bf6 20.Qd4 (20.de6 Qd1 21.Rd1 Be5-/+) 20...Bg5 21.Ng6 (worse 21.de6 Bf6-/+) 21...fg6 22.Qh8 Bg8 23.hg5 Qe7 24.Kf1+-) 16.c4 (16.g3 Qc7=+) 16...Nb4 (16...dc4!? 17.Nc4 Bb4 18.Nfd2 Qc7=+) 17.cd5= Bb5 18.Be7 Qe7 19.d6 Qd8 (19...Qd7 20.Qd2 Nd3 21.Kd1 f4-/+) 20.Qb3 (better 20.Qd2!? Nd3 21.Kd1=) 20...Nd3-/+ 21.Kd2 Nf2 22.Ng5? (22.Rhc1 Ne4 23.Kd1 Rc1 24.Rc1 Nf2 25.Kc2-/+) 22...0-0 (better 22...Nh1 23.Nf5 Rc4 24.Ng7 Kd7-+) 23.Rhc1=+ Qb6 24.Nc2 Rc4 (better 24...Rc2!? 25.Kc2 Rc8 26.Kb1 Rc1 27.Kc1 Qd4-+) 25.Qe3 (25.Ke1 Ng4 26.Nf3 Qc6-+) 25...Ng4 26.Qf4 Ba4 (26...Rfc8 27.Nf3 Qd8 28.Ng5-/+) 27.Ne6= fe6 28.Qg5 Kh8 29.Qh5 Kg8 30.Qg5 Kh8 31.Qh5 Kg8 ½–½. Sedlak,Nikola (2570) – Dvirnyy,Danyyil (2450), 11th EICC Men, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Na3 a6 12.Ng5 Ra7 13.Nc2 b5 14.Rb1 (14.Qf3 b4=+) 14...Rc7 15.Bd2 (15.Bf5 ef5 16.Qf3 b4-/+) 15...Na5-/+ 16.Qf3 Nc4 17.Bf5 Nd2 18.Kd2 Bg5 19.hg5 Qg5 (19...ef5?! 20.Rh5 Rg8 21.Rbh1+=) 20.Ne3 ef5 21.Qd5? (better 21.Ra1-/+) 21...f4-+ 22.Nd1 0-0 (22...f3 23.Ne3 Bb7 24.Qd6 fg2 25.Rh5 Rh5 26.Qc7-/+) 23.Ke1 Be6 (23...Bb7 24.Qd6 Qg2 25.Qc7 Qh1 26.Kd2-+) 24.Qd6 (better 24.Qf3 Bg4 25.Qd5-+) 24...Qg2 25.Rh5 (25.Qc7 Qe4 26.Kd2 Qb1-+) 25...Qe4 26.Kd2 Qb1 27.Qc7 (27.Rh8 Kh8 28.Qf8 Kh7 29.Qd8-+) 27…Bb3 (27...Bb3 28.Ne3 Qb2 29.Kd3 Qf2-+) 0–1. Ciobanu,Au (2215) – Berescu,A (2495), ch–ROU, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.d4 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.h4 h5)

    11.Na3 Bd7 12.Bg5 f6 13.Bf4 (13.ef6 gf6 14.Bf5 ef5=+) 13...a6 14.Qb3 Na5 15.Qa2 Nh6 16.Bg6 Nf7 17.Rh3 b5 18.Rg3 Kf8 19.Nc2 Nc4 20.Nb4 a5 21.Kf1 (21.Nd3 a4=+) 21...Rc8 (better 21...fe5!? 22.de5 Bh4 (22...ab4 23.Qa8 bc3 24.Qb7+-) 23.Nh4 Qh4-+) 22.Nd3=+ a4 23.Qe2 Qa5 Black intends a3 24.Rc1 a3 25.Nfe1 (25.ef6 gf6 26.Qe1 Ke8=+) 25...a2 (25...fe5 26.Be5 Bh4 27.Rf3-/+) 26.Nc2 (26.ef6 Bf6 (26...gf6?! 27.Ra1=) 27.Bf7 a1Q (27...Kf7?! 28.Ra1=+) 28.Ra1 Qa1 29.Bh5 Bh4-+ (29...Qc3 30.Ne5 Qb2 31.Nd7 Ke7 32.Qb2 Nb2 33.Nf6 gf6 34.Rg7 Kf8 35.Rf7 Kg8 36.Bg6 Rh4 37.Rf6+-)) 26...Na3 (26...fe5!? 27.Be5 Bh4-/+) 27.Na1 Rc3 28.Bh5 (28.ef6 gf6 (28...Bf6? 29.Bf7 Rc1 30.Bc1+-) 29.Nc5 Rc1 30.Bc1 Bc5 31.dc5 Nc4-/+) 28...f5-/+ 29.Bf7 Kf7 30.Qa2 b4 (worse 30...Bh4 31.Rh3+=) 31.Nb3 Rc1 (31...Qc7 32.Rc3 Qc3 33.Bd2-+) 32.Bc1=+ Qa6 33.Ke2? (33.Kg1!?=+) 33...Bb5 (33...Bh4 34.Rh3 Qc4 35.Qb2-/+) 34.Nbc5 (34.Ba3 Rh4 35.Qc2 ba3-+ (worse 35...Qa3 36.Kd2-+)) 34...Qa7 (better 34...Bc5!? 35.dc5 Rh4-+) 35.Nb3 (better 35.Bg5!?-/+) 35…Rh4-+ 1–0. Varini,Massimo (2085) – Pahor,Milos (2045), Nova Gorica op–B, 2003. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.h4 h5)

    11.Nbd2 Bd7 12.Qb3 (12.Bf5 ef5 13.Qb3 Bc8=+ 14.Ba3 Qb6 15.Qc2 Ba3 16.Ra3 0-0 17.0-0 Rd8=+ –0.38 ) 12...Na5 (12...Nh4!? 13.Nh4 Bh4 14.Qb7 Rb8-/+ 15.Qa6 Be7 16.Qa2 h4 17.Rh3 Rb7=+ –0.59 ) 13.Qa2= b6 (13...Nc4 14.Nc4 dc4 15.Qc4 a6 16.Bf5 ef5 17.d5 Qc8+= 0.66 ) 14.Bf5 ef5 15.Qd5 Be6 (15...Rc8 16.Bb2= Be6 17.Qd8 Kd8= –0.19 ) 16.Qb5 (16.Qd8 Kd8 17.Ke2 f6= 0.12 ) 16...Qd7 17.Qd3 Rc8 18.Ba3 Ba3 19.Ra3 Nc4 20.Nc4 Bc4 21.Qe3 a5 22.Ra1 (22.Nd2 Bd5=) 22...Rh6 (22...Bd5 23.Qd3=+) 23.Kd2 (23.Qg5 Rg6 24.Qh5 Bd5=+) 23...a4 24.Rhe1 b5 25.e6 Re6 26.Qg5 Kf8 27.Ne5 Re5 (better 27...Qc7!? 28.Qh5 Bd5=+) 28.Re5+= b4 29.Qh5 bc3 30.Kc1 Kg8 31.Qf5 (31.Rf5 Qd4 32.Qd1 Bd3 33.Qa4 Qb6-+) 31...Be6 32.Qe4 Rb8 (better 32...Bb3+=) 33.d5?? (better 33.Rc5+=) 33...Qb5-/+ 34.Ra2 Qb3 35.de6 Qa2 36.ef7 Qf7 (better 36...Kf7!? 37.Qf5 Kg8 38.Qe6 Qe6 39.Re6 Rb2-/+) 37.Qa4= Kh8 (37...Rd8 38.g3=) 38.Qe4+= Rf8 39.f3 Qb3? (better 39...Kg8!?+-) 40.Rh5+- Kg8 41.Qh7 Kf7 42.Rf5 Ke8 43.Qg6 Kd7 44.Qg7 Kc6 45.Rf6 (45.Qf8?? Qb2 46.Kd1 Qd2; 45.Rf8?? Qb2 46.Kd1 Qd2) 45...Rf6 46.Qf6 Kc7 47.Qe7 Kc6 48.Qe4 Kc7 (48...Kc5 49.Qf5 Kd4 50.Qc2 Qa3 51.Kd1 Qa1 52.Qc1 Qa4 53.Ke1 Qe8 54.Kf2+-) 49.Qh7 (49.Qb1 Qa3 50.Kc2 Qa4 51.Qb3 Qh4 52.Qc3 Kd6+-) 49...Kc8 50.Qc2 Qa3 51.Kb1 Qb4 52.Ka2 Qc4 53.Ka3 Kc7 (53...Qh4 54.Qc3 Kd7 55.Qg7 Kc6 56.g4+-) 54.h5 (better 54.g4!? Qd4+-) 54...Qc5 55.Kb3 Qh5 56.Qc3 Kd7 57.Qg7 Kc6 (57...Ke6 58.Kb4+-) 58.Qf6 Kb7 (58...Kd7 59.g4 Qb5 60.Kc3+-) 59.Qe7 (59.Kb4 Qh2 60.g4 Qd2 61.Kc5 Qa5 62.Kd6 Qb6 63.Ke7 Qc7 64.Ke8 Qc8 65.Kf7 Qc4 66.Kg7 Qc7 67.Qf7 Ka8+-) 59...Kb6 (59...Kc8 60.Kc4 Qh1 61.Qc5 Kd7 62.Qf5 Ke8 63.g4 Qc1 64.Kd5 Qd2 65.Ke6 Qh6 66.Qf6 Qe3 67.Qe5 Qb6 68.Kf5 Kf7 69.Qd5 Kg7 70.Qd7 Kf8 71.f4+-) 60.Qe6 (60.Qd6 Kb5 61.g4 Qg5+-) 60...Kb7 (60...Kc7 61.g4 Qg5 62.Kc2+-) 61.Qe4 (61.g4 Qg5+-) 61...Kc7 62.g4 Qg5 63.Kc3 Qc1 64.Kd4 Qd1 (64...Qb2 65.Ke3+-) 65.Ke5 Qg1 (65...Qd6 66.Kf5 Qf8 67.Kg5 Qd8 68.Kf4 Qf6 69.Qf5+-) 66.Kf5 1–0. Kuijpers,PCA – Bodicker,R (2155), 6th HZ Open, Vlissingen NED (6), 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.h4 h5)

    11.Nbd2 g6 12.g3 Bd7 13.Nf1 Na5 14.Ba3 Qc7 15.Qc2 Ba3 16.Ra3 Nc4 17.Bc4 Qc4 18.N3d2?? (better 18.N1d2 Qc6 19.Qd3=+) 18...Nd4!-+ 19.Qd1 (19.cd4 Qc2 Pinning (19...Qc2 Deflection)) 19...Qd3 20.Ne3 Nc6 (better 20...Nb5!? 21.Rb3 Nc3 22.Qf3-+) 21.Nf3 (21.Qa1!?-/+) 21...Qd1-+ 22.Kd1 Ke7 23.Kd2 Rhd8 24.Rb1 b6 25.Nc2 (25.c4 Rac8-+) 25...Na5 26.Ne3 Rdc8 27.Nd4 Nc6 28.Nf3 Rc7 (better 28...Rf8!? 29.Ke2 f6 30.ef6 Kf6-+) 29.Rb6-/+ Rb8 30.Rb8 Nb8 31.Nd4 Rb7 32.Nb3 Rb5 33.Na5 Rb2 34.Nc2 Rb6 35.Nb4 (35.c4 f6 36.f4 fe5 37.fe5 Na6=+) 35...Na6 36.Nac6 Bc6 37.Na6 Rb2 38.Ke3 Bb5 39.Nc7 Re2 40.Kd4 (better 40.Kf3!? Bd3 41.Ra7=+) 40...Re4-/+ 41.Kc5 a6 42.Nb5 Rc4 (42...ab5!? 43.Kb5 Re5-/+) 43.Kb6=+ ab5 44.Kb5 Re4 45.Ra7 Kf8 46.Ra2 Re5 47.c4 dc4 48.Kc4 Rd5 49.Re2 Ke7 50.Kc3 Kf6 51.Re4 e5 52.f3 Kf5 53.Kc2 f6 54.Re3 (54.Rc4!?-/+) 54...Rd4 55.Re1 g5 56.hg5 Kg5 (56...fg5 57.Rh1 h4 58.gh4 Rh4 59.Re1-+) 57.Rh1 (57.Kc3 Rd7 58.Rh1 f5-+) 57...h4 (57...f5 58.Re1 e4 59.fe4 Re4 60.Kd2-+) 58.gh4 (better 58.f4 ef4 59.gh4 Kh5 60.Kc3-+) 58...Rh4-+ 59.Rg1 (59.Re1 Kf4-+) 59...Kf4 60.Kd3 f5 (60...Kf3?! 61.Rf1 Kg4 62.Rf6-/+) 61.Rf1 Rh3 62.Ke2 Rh2 63.Kd3 Ra2 64.Rh1 Ra3 (64...Kf3 65.Rh3 Kg4 66.Rh7-+) 65.Ke2 Re3 Black plans e4 66.Kf2 Rf3 67.Ke2 Rg3 68.Kf2 (68.Rh4 Rg4 69.Rh3 Rg2 70.Kf1 Rb2-+) 68...e4 69.Rh4 Rg4 70.Rh3 Ke5 (70...e3!? 71.Ke2 Rg2 72.Kf1 e2 73.Ke1-+) 71.Rh5 Rf4 72.Ke2 Rf3 73.Rg5 Rh3 74.Rg2 (74.Rg8 Rh2 75.Kf1 f4-+) 74...f4 75.Rg8 Rh2 76.Kf1 e3 77.Ra8 (77.Re8 Kd4 78.Kg1 Rd2 79.Rd8 Ke4-+) 77...Ke4 78.Kg1 Re2 0–1. Mazaira Alba,Javier I (1940) – Dimitrijevic,Dragan, Benidorm op–B, 2004. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.h4 h5)

    11.Kf1 g6 (11...Nh4!? 12.Nh4 Bh4-/+) 12.Bg5=+ Bd7 13.Na3 (13.Be7 Qe7 14.Qb3 b6=+) 13...a6 (13...f6 14.ef6 Bf6 15.Bf5 gf5=+) 14.c4 (14.Bf5 ef5 15.Qb3 Qc8=) 14...Nb4 (better 14...Ncd4!? 15.Be7 Qe7 16.Nd4 Nd4 17.Bg6 Nc6-+) 15.Bf5= gf5 16.Kg1 Bc6 (16...b6 17.Rh3=) 17.Rh3 Rc8 18.Rb1 a5 19.c5 b6 20.cb6 Qb6 21.Be7 Ke7 22.Qd2 Rhg8 23.Nc2 Rb8 24.Nfe1 Ba4 25.Nb4 ab4 26.Ra3 Bd7 (better 26...Qb5!?=) 27.Rab3+- Qa5 28.Nd3 The pressure on the isolated pawn grows 28...Rg4 29.Nb4 Rb5 30.f3 Rg6 31.Kh2 Kf8 32.g3 Kg7 33.Kh3 Kh7 34.Qb2 Rg8 35.Ra1 Qb6 36.Qd2 Qb7 37.Rab1 Qb8 (37...Qb6 38.Qd3 Rb8 39.Kh2+=) 38.Qd3 (38.Na6 Qa7 39.Nc5 Rb3 40.Rb3 Bc6+-) 38...Qc7 (38...Qf8 39.Qe3+=) 39.Na6+- Rb3 40.Qb3 (40.Nc7?? Rd3 41.Kh2 Rf3-+; 40.Rb3?! Qa5 41.Rb1 Qa2+=) 40...Qa5 41.Nc5 Bc6 42.Qe3 Bb5 43.Nb7?? (better 43.Qf2+-) 43...Qa6-+ 44.Nd6 Bf1 45.Kh2 (45.Rf1 Qf1 46.Kh2 Rb8-+) 45...Rb8!! 46.g4 (46.Rb8 Qa2) 46...f4 (better 46...Qa2 47.Kg3 Qg2 48.Kf4 Rg8-+) 47.Qd2 Rb1 0–1. Chikovani,Vakhtang (2065) – Studer,Noel (2235), Albena Masters Open, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Bf5 ef5 12.Bg5 f6 13.ef6 gf6 14.Bf4 Kf7 15.Ng1 Qb6 16.Ne2 Nd8 17.0-0 Ne6 18.c4 (better is 18.Qd3!?=) 18...dc4-/+ 19.Nbc3 Nf4 20.Nf4 Bd6 21.Qf3 (21.Rb1!? Qc6 22.d5+=) 21...Qd4-/+ 22.Nb5 Qf4 23.Qd5 Kg6 24.Nd6 Qe5 (24...Rf8 25.Nc4 Qe4 26.Qd6+=) 25.Qf7= Kh6 26.Rfe1 Qd6 27.Re7 Qe7 28.Qe7 Kg6 29.f4 Rh7?? (better is 29...Rg8+-) 30.Qe8 Kh6 31.Ra3 (31.Ra3 c3 32.Rc3 Be6 33.Qa8 Kg6 34.Qe8 Rf7 35.Rg3 Kh7 36.Qg8 Kh6 37.Qg6) 1–0. Gaehwiler,Gabriel (2285) – Gundogan,Cem (2070), Kocaeli TUR, World Ch U20 (b), 2013.

    11.g3 Bd7 12.0-0 Na5 (12...0-0 13.Ng5 g6 14.Nd2-/+) 13.Re1 Rc8 (13...0-0 14.Ng5 g6 15.Ba3 Ba3 16.Ra3=+) 14.Ba3 Qb6 (14...Ba3 15.Ra3 0-0 16.Ng5=+) 15.Bf5 ef5 16.e6 (16.Be7!? Ke7 17.Ng5=) 16...Be6=+ 17.Be7 Ke7 18.Qc1 Nc4 19.Qg5 (19.Nbd2 Nd6 20.c4 dc4 21.d5=) 19...Kf8-+ 20.Nbd2 f6 (better 20...Nd6!?-+) 21.Nc4=+ dc4 (21...fg5?? 22.Nb6 ab6 23.Re6 gh4 24.Nh4+-; 21...Rc4?! 22.Qe3 Rc6 23.Reb1=+) 22.Qf4 Kf7 (22...g6 23.Nd2=+) 23.Reb1= Qc6 24.Ra7 Rc7 (24...Rb8 25.Ne1=) 25.d5 (25.Qc7! Qc7 26.Rbb7 Qb7 27.Rb7 Kg6 28.Rb5+=) 25...Bd5= 26.Nd4 Qd7 27.Nf5 Rd8 28.Rd1 (28.Ne3 Bc6 A) 29.Nc4?? Qd1 30.Kh2 Qb1 31.Ne5 Kg8 32.Nc6 A1) 32...bc6?? 33.Qc7 (33.Rc7?! Qb6=) 33...Qg6 34.Qd8 Kh7 35.Qc7+-; A2) 32...Rc6-+; B) 29.Qc4 Kg6 30.Qf1 Qd3=+; C) 29.Kh2=) 28...Qc6-/+ 29.Ne3 Rcd7 30.Raa1 (30.Ra5 Bf3 31.Rda1 Be2-/+) 30...Be6 31.Rd7 Rd7 (31...Bd7?! 32.Rd1=) 32.Nc2 0–1. Rantanen,Y (2355) – Rudolf,An (2305), FIN, SM–Liiga, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nh6 6.a3 Nc6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.h4 h5)

    11.g3 g6 12.Kf1 a6 (12...0-0 13.Kg2=+) 13.Na3 Rb8 (13...Bd7 14.Kg2=+) 14.Nc2= b5 15.Bg5 Bg5 16.hg5 Kd7 (16...Bb7 17.g4 Ng7 18.Kg2=) 17.Qd2 (17.Bf5 gf5 18.Nce1 a5+=) 17...Bb7 18.Bf5 gf5 19.Nce1 Na5 20.Qa2 Nc4 21.Nd3 a5 22.Nf4 b4 23.cb4 ab4 24.Nh5 (better 24.Qb3!?=) 24...Ra8-/+ 25.Qb1 Qb6 26.Ra8 Ra8 27.Nf6 (27.g6!? fg6 28.Nf4-/+) 27...Kc6-+ 28.Kg2 b3 29.Qd3 b2 30.Nd2 Qb4 31.Nb1 Ra1 32.Qc3?? (better 32.Qc2-/+) 32...Qc3-+ 33.Nc3 Rh1 34.Kh1 Na3 35.Ne8 (35.Kg2 Nb5 36.Nb1 Nd4-+) 35...Ba6 (better 35...Nb5 36.Nb1 Nd4-+) 36.Nd6 Bd3 37.Kh2 (37.Kg2 Nb5 38.Ndb5 Bb5-+) 37...Nb5 (37...f4 38.gf4 Nc2 39.f5 Nd4 40.g6 fg6 41.f6 Nf3 42.Kg3 Ne5 43.f7-+) 38.Ndb5 Bb5 39.Kh3?? (39.Kg2 Be2! 40.f4-+) 39...Kb6 40.g4 (40.Kg2 Ka5 41.Kf3 Kb4-+) 40...fg4 41.Kg4 (41.Kg3 Ka5 42.Kf4 Kb4-+) 41...Ka5 42.Nb1 Bd3 43.Nd2 Kb4 (43...Kb4 44.Kf4 Kc3-+) 0–1. Arjun,C Krishnamachari (1895) – Pogorelov,R (2350), 7th Lorca Open, 2018. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 Nh6 9.Bd3 Nf5 10.h4 h5)

    11.Bg5 a6 12.Nbd2 (12.Be7 Qe7 13.Nbd2 f6=+) 12...Qc7 (12...f6 13.ef6 Bf6 14.Qe2=+) 13.0-0 (13.Be7 Nce7 14.Ra3 Bd7=+) 13...Bg5 14.hg5 Nce7 (14...h4 15.Qb3=+) 15.Qc1 (15.Qb3 h4=+) 15...Bd7 (15...h4 16.Kh2-/+) 16.Bf5 (16.Qb2 h4=+) 16...Nf5-/+ 17.Qa3 (17.Qb2 Rc8-/+) 17...Bb5 18.Rfb1 Rc8 (18...Bd3 19.Rb2 h4-/+) 19.g3 (19.Rb3!?-/+) 19...Qc3?? (19...h4 20.gh4 Nh4-+ (20...Qc3? 21.Qc3 Rc3 22.Rb5 ab5 23.Ra8 Kd7 24.Rh8+-)) 20.Qc3+- (20.Qc3 Rc3 21.Rb5 ab5 22.Ra8 Ke7 23.Rh8+-) 1–0. Lerch,Patrice (2340) – Monsieux,Cyril (2300), Belfort FRA, Men Ch Accesion, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5 9.Bd3 Nc6 10.h4 h5)

    11.Bg5 Rb8 12.Nbd2 Bd7 13.Nf1 b5 14.Bf5 ef5 15.Ne3 Be6 16.Qd3 Qd7 17.0-0 0-0 18.Ra6 Rfc8 19.Rb1 Bf8 20.Bf4 b4 21.c4? (better 21.Raa1-/+) 21...dc4-+ 22.Nc4 Bc4?? (better 22...b3 23.Qf1 Nd4-+) 23.Qc4-/+ Ne7 24.Qa2 Qd5 25.Ra7 Qa2 26.Ra2 Nd5 27.Bd2 Ra8 28.Rab2 Exerts pressure on the isolated pawn 28...Rc4 29.Kf1 Rac8 30.Ke2 Be7 31.Ra1 Kf8 32.g3 Ke8 33.Ra5 Rd8 34.Kd3 Rcc8 35.Ra7 Rd7 36.Ra6 Rdc7 37.e6 fe6 38.Re6 1–0. Rahls,Peter – Buchenau,Frank (2350), BL2–N, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.h4 h5)

    11.Bg5 Bd7 12.Na3 a6 13.Be7 Nce7=+ 14.0-0 b5 15.Qb3 g6 (15...0-0 16.Ra2=+) 16.Ra2 Nc6 17.Rfa1 Rb8 18.Nc2 Nh4 (18...a5 19.g3=+) 19.Nh4= (worse 19.Ra6 Nf3 20.gf3 h4-/+) 19...Qh4 20.Nb4 Nb4 21.Qb4 Qe7 22.Ra6 Qb4 23.cb4 Ke7 24.Rc1 Rb7 25.Ra5 (25.Kf1 g5=) 25...Rg8 (25...h4 26.Rca1=+) 26.Rc5= Increasing the pressure on the isolated pawn on b5 26...Rgb8 27.f4 (27.Kf1 g5=) 27...Be8 28.Kf2 Bd7 29.Kg3 Be8 30.Kf3 Bd7 31.Ke3 Be8 (31...h4 32.Kf3=) 32.Bf1 Bd7 33.Be2 Be8 34.Bd3 ½–½. Savory,Richard J (2100) – Berry,Neil (2225), England, The Four Nations Chess League, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Bg5 Bd7 12.Qb3 Na5 13.Qa2 Nc4 14.Bc4 dc4 15.Qc4 Bc6 16.Nbd2 Qd7 17.Be7 Ne7 18.Qd3 Nf5 19.Ne4 ½–½. Claesen,Jeroen – Strachan,Jan (2250), Hallsberg op U18, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Ne7 6.a3 Nf5 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nc6 10.h4 h5)

    11.Bg5 Bd7 12.Qb3 Bg5 13.hg5 Nfe7 (13...Qc7 14.Bf5 ef5 15.Qd5=) 14.Qb7+= Rb8 15.Qa6 Qb6 16.Qa3 Qb2 17.Nbd2 Qa3 18.Ra3 g6 (18...Kd8 19.c4+=) 19.Nb3 Nc8 (19...Nf5 20.Kd2+=) 20.Ke2 (20.Kd2 Ke7+-) 20...Ke7 (20...N6e7 21.Rb1+=) 21.Ke3 Nb6 22.Rh4 (22.Nc5 a5+-) 22...Rhc8 (22...Na4 23.Nbd2 Nb2 24.Be2=) 23.Nc5 Be8 24.Na6 Ra8 25.g4 hg4 26.Nh2 (26.Rg4 Nb8+-) 26...g3= 27.fg3 Nb8 28.Nc5 N8d7 29.Nb7 Nc4 (29...Rc7 30.Nd6 Nc8 31.Ne8 Ke8 32.Rh8 Ke7 33.Ng4=) 30.Bc4+= Rc4 31.Ng4 (31.Nd6 Nb6+-) 31...Nb6+= 32.Nf6 (32.Nd6 Ra4 33.Ra4 Ba4+=) 32...Rc7 (32...Ra4 33.Ra4 Ba4 34.Nd6=) 33.Nd6+= Nc4? (better 33...Bc6!?+=) 34.Nc4+- Rc4 35.Rh8?? (better 35.Ne8!? Re8 36.Ra7 Kd8 37.Rf7 Rc3 38.Kd2+-) 35...Rc7 (better 35...Rcc8!?=) 36.c4+- (36.Ne8?! Re8 37.Re8 Ke8=+) 36...dc4?? (better 36...Bc6 37.cd5 ed5 38.Ra8 Ba8+-) 37.d5+- (37.d5 ed5 38.Nd5 Kd7 39.e6 fe6 40.Rh7 Kd6 A) worse 41.Rc7 ed5 (worse 41...Kd5 42.Ra5 Kd6 43.Rc4+=) 42.Rca7 Ra7 43.Ra7 Kc5-/+; B) 41.Nc7+-) 1–0. Lerch,Patrice (2260) – Fabius,Raphael (2130), FRA–ChT2, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bd3 Nf5)

    11.Bg5 Bd7 12.Bf5 ef5 13.Qb3 Bg5 14.Ng5 Qe7 15.Qb7 (15.0-0 Be6=) 15...Rb8=+ 16.Qc7 f6 17.Nf3 Rc8 18.Qd6 Qd6 19.ed6 Be6 20.0-0 (20.c4!? dc4 21.Nc3=) 20...Kd7-/+ 21.c4 Kd6 (21...dc4 22.Nc3 Kd6 23.Nb5 Kd7 24.Nc3-/+) 22.Nc3 (22.c5 Kd7=+) 22...a5 (22...dc4 23.Nb5 Kd7 24.Nc3-/+) 23.Rfb1 (23.Nb5 Ke7 24.Rfe1 A) 24...dc4? 25.d5 Nb4 26.Re6 (26.de6?! Nc2=) 26...Kf8 27.Nd6+-; B) 24...Rhd8=) 23...Rb8 (23...dc4 24.Rb7 Bd5 25.Nb5 Ke6 26.Re1 Be4 27.Nd2-/+) 24.Rc1 Rb4 (24...dc4 25.d5 Bd5 26.Rd1+=) 25.cd5 Bd5 26.Nd5 Kd5 27.Rc5 Kd6 28.Rac1 Rb6 (28...Nd4 29.Nd4 Rd4 30.Ra5 Rh4 31.Rf5-/+) 29.d5=+ Ne5 30.Ne5 fe5 31.Ra5 Rhb8 32.Kh2 g6 33.Rc3 e4 34.f3 (34.Kg3 Rb3 35.Rb3 Rb3 36.Kf4 Rb2-/+) 34...Re8 (34...Rb5 35.Ra6 R8b6 36.Rc6 Rc6 37.dc6-+) 35.Kg3 (35.fe4 Re4 36.Kh3=+) 35...e3=+ 36.Ra1 (36.Rc1!?=+) 36...Rb4-/+ 37.Re1 (37.Rd3 f4 38.Kh3 e2-/+) 37...f4-+ 38.Kh3 Kd5 39.g3 Kd4 40.Ra3 e2 41.gf4 Re3 42.Ra6 Rf3 43.Kg2 Rf4 44.Rg6?? (better 44.Re2 Kd3 45.Rea2-+) 44...Ke3 45.Re6 Rbe4 (45...Rbe4 46.Re4 Re4-+ (46...Ke4?! 47.Re2 Kd3 48.Re5=)) 0–1. Rahls,Peter (2230) – Dolmatov,Sergey (2640), Passau op 4th, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Nf5 10.h4 h5)

    11.Bg5 f6 12.ef6 Bf6 13.Qc1=+.

    9.Bh6 gh6

    10.Qc1 Bf8 11.Bd3 Bd7 12.0-0 Bg7 13.Na3 (13.Qb2 Bc8=) 13...0-0 (13...f6 14.ef6 Qf6 15.Re1=) 14.Qb1 Na5 (14...b6 15.Bh7 Kh8 16.Bd3+=) 15.Bh7+= Kh8 16.Bd3 Rc8 17.Rc1 b6 18.Qb2 Rg8 19.Nc2 Rc7 20.Ne3 Be8 21.Ra2 f5 22.ef6 Bf6 23.Nf1 (23.Kh1 Bh5 24.Nd2 e5=) 23...Bg6 (23...Bh5 24.N1d2=) 24.Bg6+= Rg6 25.Ng3 Nc4 26.Qa1 a5 27.Re2 Qg8 28.Kh1 Qf7 29.Rce1 Bg7 30.Qb1 Rf6 31.Kg1 Rf3 (better 31...a4!?=) 32.gf3+- Re7 33.f4! h5 (33...Qf4 34.Re6 Deflection) 34.h4 (34.Kh1 Bf8+-) 34...Bf6+= (34...Qf4? A) 35.Nh5?! A1) 35...Qh4?? 36.Qg6 Qh3 37.Qg5+- (37.Re6?! Nd2 38.R1e3 Nf3 39.Rf3 Qe6+-); A2) 35...Qf7 36.Ng3 e5+-; B) 35.Qg6 Rf7 36.Qe6+-) 35.f5 e5 36.de5 Re5 37.Re5 Be5 38.Re5 (38.Qb5 Kh7+-) 38...Ne5 39.Qb6 Kh7 40.Kg2 (40.Qe6 Qe6 41.fe6 Nf3 42.Kf1 Kg6+-) 40...a4 (40...Nc4 41.Qe6 Qe6 42.fe6+=) 41.Qb4 (better 41.Qe6!? Qe6 42.fe6-/+) 41...Qa7+= 42.Qd6 Nd3 43.Qg6 Kh8 44.Qh5 Kg8 45.Qg5 Kh8 (45...Kf7 46.Qg6 Kf8 47.Qh6 Kg8 48.Qe6 Kh8 49.Qe8 Kh7+-) 46.f6 Qf2 (46...Qh7 47.Qe3 Qg6 48.h5 Qf6 49.Qd3+-) 47.Kh3 Nf4 48.Kg4 Ne6 49.Qh5 Kg8 50.Qe8 (50.Qd5?! Qf4 51.Kh3 Qf6 52.Qa8 Kf7 53.Qa7 Kf8 54.Qa4 Qc3+-) 50...Nf8 51.Qe7 (51.Qa4 Qf6 52.Nf5 Qc3 53.Ne7 Kh7 54.Nd5 Qg7 55.Kh3 Qe5 56.Qa7 Kg6 57.Qg1 Kh7+=) 51...Qf4 52.Kf4 (52.Kf4 Ng6 53.Kf5 Ne7 54.fe7+-) 1–0. Dmitriev,Igor (2270) – Shliahtin,IE (2310), RUS–chT Podolsk, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Qc1 Bg5 11.Nbd2 Bd7 12.h4 Be7 13.Bd3 Rc8 14.0-0 (14.Qb2!?=) 14...Bh4=+ 15.Nb3 Bg5 16.Ng5 Qg5 17.f4 Qg4 18.Nc5 Rc7 19.f5 Rg8 (19...ef5 20.Nd7 Rd7 21.Bf5+-) 20.Rf2 Ne5 (20...Nd4 21.cd4 Qd4 22.Ra7 Qc5 23.Qc5 Rc5 24.Rb7-/+) 21.de5 Rc5 22.Qa3 b6 23.Qa7 ef5?? (23...Rc8 24.f6 Qh3+-) 24.Qb6?? (better 24.Bb5! Qg6 25.Bd7 (25.Qd7?! Kf8+-) 25...Kf8 26.e6+- (worse 26.Bf5 Qc6 27.Bg4 Qc7+-)) 24...Rc6? (24...Rc8+=) 25.Qb4?? (25.Qb7 f4 26.Bb5+-) 25...Qb4=+ 26.cb4 Ke7 27.Bf5? (better 27.Ra7!?=) 27...Bf5-/+ 28.Rf5 Rc2 29.Rf2 Rf2 30.Kf2 Rb8 31.Rb1 Ke6 32.Ke3 Ke5 33.Kd3 f5 34.b5 (34.Rb2 Rg8 35.Re2 Kd6-+) 34...Rb6 (34...Rg8!? 35.Re1 Kd6 36.Rb1 Rg2 37.b6-+) 35.Rb2 Kd6 36.Kd4 f4 37.Rb3 h5 38.Rb2 h4 39.Rb3 h6 40.Rb1 h5 41.Rb3 Rb7 42.Rb1 Rg7 43.b6 Rb7 (better 43...Kc6!?-+) 44.Rb5=+ Attacking the isolated pawn on d5 44...Kc6 45.Rd5 f3 46.gf3 Rd7 47.Rd7 Kd7 48.Ke3 Kc6 49.Kf2 Kb6 50.Kg2 Kc6 51.Kh3 Kd6 52.Kh4 Ke5 53.Kg5 h4 54.f4 Ke4 55.Kh4 Kf4 ½-½. Lana Rodriguez,D (2365) - Grachev,B (2610), Titled Tuesday 2nd June, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7)

    10.Qd2 Bf8 (10...Bg5 11.Qc2=) 11.Bd3 (11.Rg1 Rg8=) 11...Bd7 (11...f6 12.ef6 Qf6 13.Qe2=) 12.0-0 a6 (12...f6 13.Qe3=) 13.Qb2 b5 14.Nbd2 Na5 (14...f6 15.ef6 Bd6 16.Rfe1+=) 15.Rfb1 Bc6 16.Nf1 (16.Qc2 Be7+=) 16...Nc4= 17.Qc1 (17.Qe2 Na3 18.Rd1 Nc4=) 17...f5 (17...a5 18.Ng3=) 18.ef6 (18.Ng3 Rg8=) 18...Qf6 19.Ng3 (19.Qe1 Bd6=) 19...Bd6 20.Nh5 Qf8 21.Bc4 (21.Qd1 Qf7 22.Bc4 dc4=) 21...dc4=+ (worse 21...bc4 22.Rb6 Bd7 23.Rba6 Ra6 24.Ra6+-) 22.Ne5 Be4 23.Rb2 Rg8 24.Ng3 Bd5 25.Rba2 Bb7 (25...Be5 26.de5 Bb7 27.Qe3=) 26.Qe3 (26.Re2 h5 27.Qc2 Qg7=) 26...Qg7 27.f3 0-0-0 28.f4 (28.Re2 Be5 29.de5 Rd3=) 28...Be5 29.fe5 Qg6 30.Rf2 (30.Ra6 Ba6 31.Ra6 Qb1 32.Nf1 Rgf8-/+) 30...Rgf8 (30...h5 31.Qe2=) 31.Rf8 Rf8 32.d5 Kb8 33.Qc5 Rc8 34.Qd6 (34.Qb6 ed5 35.e6 Re8 36.Ra6 Re6 37.Qe6 Ba6 38.Qe5 Ka7 39.Qd5 b4 40.Qd7 Kb6 41.Qd4 Kc6 42.cb4 Qb1 43.Kf2 Qb4=+) 34...Ka7=+ 35.de6 Qc2 36.Qd4 Ka8 (36...Kb8 37.Qd6 Rc7 38.Qf8 Ka7 39.Qf2 Qf2 40.Kf2=+) 37.Qf2 (37.Ne4! b4 38.e7=) 37...Qc3-/+ 38.Rd1 Qb4 (38...Qe5 39.Re1 Qg5=+) 39.Rd7 (39.Nf5 c3 40.Nd6+- (40.Nh6 c2 41.Rc1 Rd8-+)) 39...c3-/+ 40.Qb6 (better 40.Rd1!?-/+) 40...Qb1-+ 41.Nf1?? (41.Kf2 Qc2 42.Ne2-+) 41...Qe4 42.Qf2 (42.Rb7 Qb7 43.Qe3-+) 42...c2 43.e7 c1Q 44.Rd8 (44.Rd2 Qe5 45.Re2 Be4-+) 44...Qcc6 (better 44...Qc5!? 45.Rc8 Qc8 46.Kh1-+) 45.Ne3 Qe5 (45...Qb1 46.Rd1 Qb4 47.Rd6-+) 46.e8Q Qee8 (46...Qee8 47.Re8 Re8-+) 0–1. Peelen,Piet (2380) – Hoeksema,Hendrik Pieter (2365), NED Ch sf A Enschede NED, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Bd3 f5 11.Qd2 Bg5 12.Qb2 Rg8 13.c4 Be7 14.0-0 Nb4 15.Be2 dc4 16.Bc4 b5 (16...Nd5!?=) 17.Bb5+/- Kf7 18.Nbd2 Bb7 19.Bc4 a5 20.Qb3 Qd7 Black prepares a4 21.Rfc1 a4 22.Qb1 Kg7 23.Ra3 Kh8 24.Rac3 Ra7 25.Qb2 Nd5 Black plans a3 26.Bb5 (26.R3c2 a3 27.Qa1 Qe8=) 26...Qd8 (26...a3 27.Qb3 Nc3 28.Bd7 Ne2 29.Kh1 Nc1 30.Qe6 Raa8 31.Qe7 a2 32.Qf6 Rg7-+) 27.R3c2= a3 28.Qb3 Nb4 29.Qe6?? (better 29.Rc3=) 29...Nc2-+ 30.Rc2 Bd5 (30...Bd5 31.Qf5 Rf8-+) 0-1. Gaehler,M (2375) - Pelletier,Y (2555), TCh-SUI, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    10.Bd3 f5 11.Qd2 Bg5 12.Ng5 Qg5 13.f4 Qh4 14.g3 Qe7 15.Na3 0-0 (15...h5 16.Nb5+=) 16.Nb5 b6 17.Nd6 Na5 18.Qg2 Nb7 19.g4 Qh4 20.Kd2 (20.Qg3 Qg4 21.Qf2 Nd6+-) 20...fg4 (20...Nd6 21.ed6 Kh8 22.Bb5=+) 21.Qg3 Qh3 22.Nc8 (better 22.Qh3 gh3 23.Rhg1 Kh8 24.Nb5=) 22...Rac8?? (better 22...Rfc8 23.Qh3 gh3=) 23.Qh3+- gh3 24.Rhg1 Kh8 25.Ra7 Rf7 26.Rb1 Rg7 27.Bf1 (27.Rb6 Rg2 28.Ke3 Nd8+-) 27...Na5? (better 27...Nc5!? 28.Rg7 Ne4 29.Ke2 Nc3 30.Ke3 Nb1+-) 28.Rg7+- Kg7 29.f5 (better 29.Rb6!? Rf8 30.Ke3+-) 29...ef5+- 30.Rb6 Nc4 31.Bc4 Rc4 32.Kd3 Ra4 33.Rb2 Ra1 34.Ke3 (34.Rb5 Rd1 35.Ke3 Rh1 36.Rd5 Rh2+=) 34...Kg6+= 35.Rb8 (35.Rb5 Rh1 36.Rd5 Rh2=) 35...Ra2= 36.c4 (36.Kf4 Rh2 37.Rb6 Kg7 38.Kf5 Rg2 39.Rb7 Kg8 40.Rb8 Kg7 41.Rb7 Kg8=) 36...dc4=+ 37.d5 (37.Rg8 Kf7 38.Rc8 Rh2 39.Rc4 Rg2=+) 37...c3 (better 37...Rh2 38.d6 f4 39.Kf4 Rf2 40.Ke3 h2-/+) 38.e6+= Kf6 (38...c2 39.Kd2 c1Q 40.Kc1 Kf6 41.Rf8 Ke7 42.Rf7 Kd6 43.Rd7 Kc5+-) 39.Rf8+- Ke7 40.Rf7 Ke8 41.d6 Rd2 42.d7 Kd8 43.Rf8 Kc7 (43...Ke7 44.Re8 Kf6 45.d8Q Rd8 46.Rd8 Ke6+-) 44.Rc8 (44.Rc8 Kb7 45.Rc3+-) 1–0. Reinderman,Dimitri (2420) – Andriessen,Wim, NED–chT, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Bd3 f5 11.ef6 Bf6 12.0-0 0-0 13.Nbd2 e5 14.de5 Ne5 15.Ne5 Be5 16.Ra4 Bd7 17.Rb4 Qc7 18.Qb3 Bc6 19.Rh4 Qg7 20.Ne4 Kh8 21.Ng3 d4 22.cd4 Bd4 23.Qc2 Rac8 24.Qe2 Rce8 25.Qc2 Bf6 26.Rh3 a5 27.f3 Bd4 28.Kh1 Re5 29.Nf5+= Ref5 30.Bf5 Qe5 31.Bh7 Qe6 32.Rg3 Qe7 33.Bd3 Bg7 34.Rg4 Qd6 35.Be4 Bd7 36.Rg6 Qf4 37.Rd1 Be8 38.Rb6 Be5 39.g3 Qe3 40.Rb3 Ba4 41.Re3 Bc2 42.Bc2 (42.Bc2 Bf6 43.Rb1+-) 1–0. Kaczmarek,Aleksander (2200) – Kawula,Andrzej (2035), XXIV Miedzynarodowy Festiwal Szachowy C Poland, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7)

    10.Bd3 f5 11.ef6 Bf6 12.0-0 0-0 13.Re1 Bd7 14.Na3 Kh8 (14...Be7 15.Qd2=) 15.Qb1 Qe7 16.Qb7 Rab8 17.Qc7 Rbc8 18.Qg3 Rf7 (18...Qg7 19.Nb5=) 19.Nb5 (19.Qh3 Rg8 20.Qh6 e5+=) 19...Rg7 (19...Rg8 20.Qc7 Qf8 21.Qd6+= (worse 21.Na7 Bd8 22.Qb7 Na5-+)) 20.Qd6 (20.Qf4 Bg5 21.Ng5 Qg5 22.Qg5 hg5+- (22...Rg5? 23.Nd6 Rf8 24.Bb5+-)) 20...Qf7? (better 20...Qd6 21.Nd6 Rc7+=) 21.Na7+- Rcg8 (21...Na7 22.Ra7 Rc3 23.Rd7 Qd7 24.Qf8 Rg8 25.Qf6 Qg7 26.Qg7 Rg7 27.Ne5+-) 22.g3 Nd8 23.Ne5 Be5 24.Qe5 Rf8 25.Qe2 (25.f4 Be8+-) 25...h5 26.Bb5 (26.Reb1 Qf3+-) 26...h4 27.Bd7 (27.Ra6 Bb5 28.Nb5 Qf3 29.Qf3 Rf3+-) 27...hg3 (27...Qd7 28.Ra6+-) 28.fg3 (28.hg3 Qd7 29.Nb5 Qc6+-) 28...Qd7 29.Nb5 Qc6 30.Ra7 (better 30.Rf1 Rf1 31.Qf1+-) 30...Ra7+= 31.Na7 Qc3 32.Qe5 (32.Nb5 Qf3+=) 32...Kg8= 33.Qg5 (33.Nb5 Qb2=) 33...Kh8 34.Qe5 Kg8 35.Qg5 ½–½. Redon,B (2200) – Petersen,SoB (2205), 3rd Open, Plancoet FRA (9), 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bh6 gh6)

    10.Bd3 f5 11.ef6 Bf6 12.0-0 0-0 13.Re1 Qe7 14.Qe2 Bd7 15.Nbd2 Rae8 16.Ne5 a6 (16...Be5 17.de5 Qc5 18.c4=) 17.Qg4 Kh8 18.Ndf3 (18.Nc6 bc6 19.Qh5 c5+=) 18...Be5 19.Ne5 (19.de5 Qg7 20.Qh3 Ra8=) 19...Ne5 20.Re5 The backward pawn on e6 becomes a target 20...Qf6 (20...Rc8 21.Qe2 Rc3 22.Rd5=+) 21.Qe2 Rg8 22.Re1 (22.Rb1 b5=) 22...Rg5 23.Qc2 Re5 24.Re5 Re7 25.Qe2 Rg7 26.Qe3 Rg5 27.f4 Re5 28.de5 Qe7 29.Qb6 Be8 30.f5 (30.g3 Kg7=) 30...ef5=+ 31.Qh6 Bd7 32.Qe3 Qe6 33.Qd4 Kg8 (33...b5!?-/+) 34.c4= Bc6 35.c5 (35.cd5!? Bd5 36.Bf5=) 35...a5-/+ 36.Qf4 The isolani on f5 becomes a target 36...Bd7 37.Qg5 (37.g3 a4-/+) 37...Kf7 38.Qh5 (38.Qf4 a4-/+) 38...Qg6 39.Qe2 (39.Qh4 Ke6-/+) 39...Qg4 (39...Qg5 40.g3-+) 40.Qf2 (40.Qe3 Ke6-+) 40...Qd1 (40...a4 41.Bc2-+) 41.Bf1 Qg4 42.Qd2?? (42.Bd3 a4 43.Bc2-+) 42...Qe4 43.Qa5 Qe3 44.Kh1 Qe5 45.h3 (45.Qa2 Bb5 46.Qf2 Bf1 47.Qf1 Qe4-+) 45...Bc6 46.Qd2 f4 47.Qc2 Kg7 48.Qd1 h5 49.Be2 Kh6 (49...d4 50.Bh5 Kh6 51.Bf3 Qc5 52.Qe1-+) 50.Bf3 d4 51.Bc6 bc6 52.Qd2 (52.Qf3 Qc5 53.Qf4 Kg6 54.Qg3 Kf5 55.Qf3 Ke6 56.Qe4 Kd6 57.Qg6 Kc7 58.Qe4-+) 52...Qe3 (52...Qc5?! 53.Qf4 Kg6 54.Qg3 Kf6 55.Qf4 Ke7 56.Qe4 Kd6 57.Qg6 Kc7 58.Qe4-+) 53.Qa2 f3 54.gf3 Qf3 55.Kh2 Qf4 56.Kh1 Qe4 57.Kg1 d3 (57...Qe3 58.Kg2-+) 58.Qf2 Kg5 59.Qg3 Kf5 60.Qg8 (60.Qd6 Qe1 61.Kg2 Qe2 62.Kg1-+) 60...Qe1 (better 60...Qe3 61.Kg2 d2 62.Qf7 Ke4 63.Qh5 Kd3-+) 61.Kg2 d2 62.Qf8 Ke4 (62...Ke4 63.Qe8 Kd3 64.Qd7 Kc3 65.Qg7 Kc2 66.Qg6 Kc1 67.Qh5 d1Q 68.Qd1 Kd1-+) 0–1. Bartlett,Simon (1975) – Milnes,Anthony C P (2070), Paignton Ron Bruce Premier, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Bd3 f5 11.ef6 Bf6 12.Ra2 0-0 13.Re2 Qc7 14.0-0 (14.Bb5 a6 15.Bc6 bc6=+) 14...Qg7 (14...e5 15.de5 Ne5 16.Ne5 Be5 17.h3=+) 15.Rfe1= Bd7 16.Nbd2 Rae8 (16...a6 17.Re3=) 17.Qb3 (17.Bb5 Rc8=) 17...b6 (17...b5 18.Nf1= (18.Qb5? Nd4 19.Qb7 Ne2 20.Be2 Bc3-+; worse 18.Bb5 Rb8=+)) 18.Bb5 Nd8 19.Bd3 Kh8 20.Bb5 (20.Nf1 Rg8 21.Ng3 h5=) 20...Re7 (20...Rg8 21.g3=) 21.Bd7 Rd7 22.Ne5 Be5 23.Re5 Rdf7 24.R1e2 Rf5 25.Rf5 Rf5 26.Nf1 Rf6 27.Qb5 Qf7 28.h3 Nb7 29.Nh2 (29.Ne3 h5=) 29...Nd6 30.Qc6 Nc4 31.Ng4 Exerts pressure on the backward pawn 31...Rg6 32.Ne5 Ne5 33.Re5 Kg7 34.Re2 (34.Qd6 Qf3 35.Qc7 Qf7=) 34...e5=+ 35.Qa8 (35.de5 Qe6 Double attack (35...Rc6 Discovered attack; 35...Qe6 Decoy); 35.Re5 Rc6 Discovered attack) 35...e4 36.Re3 h5 (36...b5 37.Qb8 a6 38.Qe5 Kg8 39.Rg3=) 37.Qd8 (37.c4!?=) 37...Kh6 38.c4 (38.Qb8 a5=+) 38...dc4-/+ 39.d5 (39.Qh4 Qf5-/+) 39...Qf6 (39...b5 40.Qb8 a6 41.Qe5-/+) 40.Qc7 (better 40.Qe8!?=+) 40...Qg5-/+ 41.g3 Qd5 42.Qf4 Kg7 43.Re4 Rf6 (43...Re6 44.Re6 Qe6 45.Qg5 Kf8 46.Qf4 Qf7 47.Qd6 Kg7 48.Qe5 Kg6 49.Qe4 Qf5 50.Qc4=+) 44.Qe3 h6 (44...a6!?-/+) 45.Re7=+ Kg6 46.Ra7 Qe6 47.Qc1 Qe4 48.Ra3 b5 49.Re3 Qf5 50.Qe1 Rd6 51.g4? (better 51.Re8!?=+) 51...hg4-+ 52.hg4 Qd7 (52...Qg4? 53.Rg3 Qg3 54.fg3+-) 53.Qe2 Rd4 54.Rg3 (54.Re4 Re4 55.Qe4 Kf6-+) 54...Rd3 (54...b4 55.Kh2-+) 55.Qe4 Kg7 56.Qe5 Kg8 57.f3 (57.Kh2 Qd5 58.Qe8 Kg7 59.Rd3 cd3 (59...Qd3?! 60.Qe5 Kf7 61.Qb5=+) 60.Qe7 Qf7 61.Qe5 Kg8-+) 57...Qd4 58.Qd4 Rd4 59.g5?? (59.Kf2-+) 59...h5 (better 59...c3 60.gh6 Kh7-+) 60.Kf2 c3 61.Rg1 c2 (61...c2 62.Rc1 Rc4-+) 0–1. Klug,Robert (2150) – Brumen,Dinko (2430), AUT–ChT2M, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Bd3 f5 11.ef6 Bf6 12.Ne5? 0-0 (better 12...Be5!? 13.de5 Qg5-/+) 13.f4= Ne5 14.fe5 Bg7 15.h4 Bd7 16.Nd2 Rf4 17.Nf3 Be8 18.h5 (18.Qd2 Rf8=) 18...Qe7 19.Rh3 Rg4 20.Ra2 a5 21.Qb1 Bf8 22.Rb2 Ra7 23.Rf2 b5 (23...Qc7 24.Nd2 Ba3 25.Be2=+) 24.Nh2= Rg7 25.Rhf3 Bf7 26.Ng4 (26.Bb5!? Rb7 27.g4+=) 26...Rg4= 27.Rf7 Qf7 28.Rf7 Rf7 29.Qb5 Rg2 30.Qa5 Be7 31.Qa6 Bh4 32.Kd1 Bg5 (32...Rff2 33.Bf1 Rg1 34.Qe6 Kg7 35.Qd7 Kf8 36.Qc8 Kf7 37.Qd7 Be7 38.Qd5 Kg7-+) 33.Be2= Rg1 34.Kc2 Rg2 35.Kb3 Re7 36.Bd3 Rh2 (36...Rg3 37.Kb2+=) 37.Be2 (37.c4 dc4 38.Bc4 Kf7+-) 37...Rg2+= 38.Bd3 Rg3 39.Kc2 Kg7 40.Kb3 (40.Bf1 Be3+=) 40...Rh3 41.Kb4 Rh5 42.c4 Rh4 43.Kc5 Be3 44.Kd6 (44.cd5? Rd4 45.Kc6 Rd5-+ (45...ed5?! 46.Kd6 Bg5 47.Kc5=+)) 44...Kf7 45.Bh7 (45.cd5? Rd4 46.Bh7 Rd5 47.Kc6 Re5 48.Qf1 Kg7-+) 45...Rg4 (45...Rd4!? 46.Bg6 Kg6 47.Ke7 dc4 48.Qe6 Kg5=) 46.cd5 (better 46.Qa3 Rg3 47.cd5 ed5 48.Qc3+-) 46...ed5?? (better 46...Bd4 47.Bc2 Bc3+=) 47.Qc8+- Rg7 (47...h5 48.Qf5 Kg7 49.Ke7 Kh6+-) 48.e6 (better 48.Qf5 Ke8 49.Bg6 Rg6 50.Qg6 Kf8 51.Qf6 Kg8 52.Qe7 h5 53.Ke6 Bc1 54.Qf7 Kh8 55.Qf8 Kh7 56.Kf7 h4 57.Qg7 mate) 48...Kf6 49.Qf8 Kg5 50.Qf5 Kh4 51.Bg6 Kg3 (51...Ra7 52.Qf6 Kg3 53.Kd5+-) 52.Kd5 Ra7 (52...Bg5 53.Ke5+-) 53.Ke4 Bg5 (53...Bg1 54.Qf4 Kg2 55.Qh6+-) 54.Qf3 Kh2 55.Qf2 Kh1 56.Bh5 Ra3 57.Bf3 Rf3 58.Kf3 Bf6 (58...Be7 59.Qe3 h5 60.Kf2 Bh4 61.Kf1+-) 59.Qe1 Kh2 (59...Rg1 60.Qe4 Rg2+-) 60.e7! (60.e7 Rg5 61.e8Q Rf5 62.Ke4 Rf3 63.Qh5 Bh4 64.Qhh4 Kg2 65.Qhh1) 1–0. Lerner,David B (2010) – Pohl,Klaus A (2230), Harvard op, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bh6 gh6)

    10.Bd3 f6 11.Qc2 fe5=+ 12.de5 Qc7 13.0-0 (13.Qe2 Bf8=+) 13...Bc5 (13...Ne5 14.Ne5 Qe5 15.Bh7-/+) 14.Ra4 (14.Qe2 Rg8=+) 14...Bd7 (14...Ne5 15.Ne5 Qe5 16.Bb5 Kd8 17.Kh1-/+) 15.Bg6? (better 15.Re1!?=+) 15...Ke7 (15...Kd8 16.Bh5 Ne5 17.Ra1-+) 16.Bh7 Ne5 17.Rf4 Raf8 18.Rf8 Rf8 19.Nbd2 Bb5 20.Rb1 Be2 21.Ne5 Qe5 (21...Rf2 22.Kh1 Qe5 23.Rb7 Kd6 24.Qa4-+) 22.Rb7 Kd6 23.Qa4 (23.Ne4 de4 24.Qe2 Qc3 25.Qd1 Qd4 26.Rb1 Rf2 27.Kh1-+) 23...Bb5! (23...Bf2?! 24.Kh1 Rd8 25.Nb3-/+) 24.Ne4 (24.Qb5 Bf2 Double attack; 24.Rb5 Qe1) 24...Qe4 25.Qe4 (25.Be4?? Bf2 26.Kh1 Ba4-+) 25...de4 (25...Bf2?! 26.Kh1 de4 27.Rb5-+) 26.Rb5 e3 (26...Bf2?! 27.Kf1 Bh4 28.Kg1-+) 27.Rb2 (27.Kf1 Rf2 28.Ke1 Rg2-+) 27...ef2 (better 27...Rf2 28.h4 Rb2-+) 28.Kf1 Kd5 29.Bd3 e5 30.Rb5 (30.Re2 Rb8-+) 30...Rf4 Black prepares the advance e4 (30...Rc8 31.Be2-+) 31.Ra5 Rf6 32.Rb5 (32.Ra4 Rd6-+) 32...Rc6 33.g4 (33.Be2 e4-+) 33...e4 34.Be2 Ke5 35.Rb7 a5 36.Rf7 Bb6 (36...Rf6 37.Rc7 Be3 38.Bb5-+) 37.Rf5 Ke6 38.Rf4 (38.Rb5 Kd6-+) 38...e3 (38...Rc3 39.Re4 Kd5 40.Rf4-+) 39.Re4 (39.c4 Ke5 40.Rf5 Kd4-+) 39...Kd6 40.Bc4 a4 41.Re6 (41.h4 Rc5-+) 41...Kc7 42.Rc6 Kc6 43.Ba2 Ba5 44.c4 (44.h4 Bc3 45.g5 hg5 46.hg5 Kc5-+) 44...Bd8 45.Ke2 Kc5 46.Kf1 (46.g5 hg5 47.h3-+) 46...Kd4 47.Ke2 (47.Bb1 Kc3 48.Ke2 f1Q 49.Kf1 Kd2-+) 47…Be7 1–0. Lanzani,Mario (2350) – Vezzosi,Paolo (2290), ITA–ch, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Bd3 f6 11.Qd2 fe5=+ 12.Ne5 Ne5 13.de5 Qc7 14.f4 0-0 15.0-0 Bd7 16.Kh1 Kh8 17.Rf3 b5 18.Rh3 Rf7 19.Rh6 Rg8 20.Na3 Bf8 21.Rh3 Ba3 22.Ra3 a5 23.Ra1 Rfg7 24.Bf1 Be8 25.Rf3 Bg6 26.Rf2 (worse 26.Bb5 Be4 27.Rg3 Rg3 28.hg3 Rg3-/+) 26...Be4 27.Ra2 a4 0–1. Seidel,Michael – Simon,Holger, DESC, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bh6 gh6)

    10.Bd3 Rg8 11.0-0 Bd7 12.Na3 a6 13.Qd2 Bg5 14.Ng5 hg5 15.Bh7 Rh8 16.Bd3 f5 17.ef6 Qf6 18.f4 (18.Rfb1 Ra7+=) 18...Qh6 19.g3 gf4 20.Rf4 0-0-0 21.Qf2 Rdf8 22.Rf1 (22.Rf8!? Rf8 23.Qe2=) 22...Rf4-/+ 23.gf4 Ne7 (23...Qg7 24.Kh1-/+) 24.Nc2=+ Bb5 (24...Kd8 25.Kh1=+) 25.Bb5= ab5 26.Ne3 Nf5 (better 26...b4!? 27.cb4 Qg7 28.Kh1 Qd4=+) 27.Nf5+= ef5 28.Re1 Qh3 29.Qg3 Qh7 30.Kh1 Rg8 (30...Qh5 31.Qg2+=) 31.Qe3 1–0. Schnelle,L (2050) – Haase,Thomas Konstantin (1845), Sparkassen Open A, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.Bd3 Rg8 11.0-0 Rg7 12.Na3 Bd7 (12...b6 13.Qd2=) 13.Qd2+= Bf8 14.Rfb1 Rb8 15.c4 Qa5 16.Qa5 Na5 17.cd5 ed5 18.Nb5 Nc6 19.Nc7 Kd8 20.Nd5 Bg4 21.Nd2 Nd4 22.Ra7 Nf3 (22...b5 23.Rc1+=) 23.Nf3+- (23.gf3?! Bf3 24.Kf1 Bd5=) 23...Bf3 24.Nf4 Rg4 25.Ra4 h5 (better 25...Bg7!? 26.h3 Rg5+-) 26.h3+- Rg7 27.Rd4 Kc7 (27...Ke7 28.Bb5 Rd8 29.Rc4+-) 28.Rc4 Bc6 (28...Kd8 29.Kf1 Rg5+-) 29.Nd5 Kc8 (29...Kd8 30.Rc6 Rg5 31.f4+-) 30.Bf5 (30.Bf5 Kd8 31.Rc6+-) 1–0. Piceu,Tom (2360) – Hiel,Lino (1910), Brasschaat Open, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    10.h4 Bd7 11.Qd2 Qb6 12.Bd3 (12.Qh6?? Qb2 13.Qg7 Rf8-+) 12...Na5 (12...h5 13.g3=) 13.Ra2 (13.Qh6 Nc4 14.Qg7 Rf8=) 13...h5 (13...Nc4 14.Qh6 Qb3 15.Re2=) 14.Rb2 Qc7 (14...Qc6 15.Qh6=) 15.Qh6+= 0-0-0 (15...b5 16.Qg7 Rf8 17.Qh7+= (17.Bb5?! Bb5 18.Rb5 Nc4=)) 16.0-0 (16.Qh5 Rdf8+-) 16...Kb8 (16...Rdg8 17.Ng5 (17.Bh7 Rg6 18.Qe3 Nc4-+; 17.Qh5?! Rg7=) 17...Be8 18.Ra2+= (18.Bh7? Rg6 19.Qh5 Bg5 20.Bg6 Rh5 21.Bh5 Bh4-+; 18.Qh5 f6 19.Qh6 fg5 20.Qe6 Qd7-/+)) 17.Qh5+= (17.Bh7 Rdg8 18.c4 Nc4-+) 17...Rdf8 18.Qh6 Nc4 19.Ra2 Bb5 20.Re1 (20.Bh7 Rfg8 21.Ng5 Rg6 22.Ne6 Rh6 (22...Re6?! 23.Qg7 Qd8 24.g3-+) 23.Nc7 Kc7-+) 20...f6 21.ef6 Rf6 22.Qg7 Rhf8 (22...Rc8 23.Qh7 Ka8 24.Ng5+-) 23.Ng5+- (23.Bh7 R6f7 24.Qg6 Bf6 25.Re6 Bd8-/+) 23...e5 24.de5 Rf2 (24...Rc6+-) 25.Rf2 Rf2 26.Ne6 Qb6 27.Qe7 Rf8? (27...Rf7 28.Qc5 Qe6 29.Qb5 a6+-) 28.Nd4 Re8 29.Qh7 Ne5 30.Bb5 Nf3 31.gf3 Re1 32.Kf2 Rh1 33.Kg2 (33.Qg8 Kc7 34.Qd5 a6+-) 33...Re1 (33...Rd1 34.Qg8 Kc7 35.Qf7 Kb8 36.Qe8 Kc7+-) 34.Qg8 (34.Qg8 Kc7 35.Qg3 Kc8 36.Qe1 Qg6 37.Qg3 Qg3 38.Kg3+-) 1–0. Karzev,Evgeny (2145) – Ivkina,O (2270), Chigorin Mem Open, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6)

    10.Bd3 Bd7

    11.0-0 Na5 12.Nfd2 Qc7 13.Qh5 Nc4 (13...Bf8 14.Qf3=) 14.Qh6 a6 (14...Nb2 15.Qg7 (worse 15.Bh7 Bf8 16.Qh3 Bb5=+) 15...Rf8 16.Be2+=) 15.Nc4 dc4 16.Be4 Bc6 17.Nd2 0-0-0 18.Qe3 Rhg8 (18...Kd7 19.Qf3+-) 19.Rfb1 Bd5 20.Ra4 b5? (better 20...Kd7+-) 21.Ra6+- Kb7 22.Rba1 Ra8 23.Ra8 Ra8 24.Ra8 Ka8 25.Bd5 ed5 26.Qf3 Qb7 Black prepares b4 27.Qf7 b4 28.Qe8 (28.Nb1!? h6+-) 28...Ka7 29.Qa4 Kb8 (29...Qa6 30.Qa6 Ka6 31.Nb1+-) 30.cb4 (better 30.Nb1!? Kc8+-) 30...Bb4 31.Nf1 Bc3 (31...Kc7 32.Qa1+-) 32.e6 Bd4 (32...Bb4+-) 33.Qe8 Ka7 (33...Qc8 34.Qb5 Kc7 35.e7+-) 34.e7 (34.e7 Kb6 35.Qd8 Qc7 36.Qc7 Kc7 37.e8Q+-) 1–0. Levi,Eddy (2260) – Small,Vernon A (2330), Fencible Masters, 1997. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d5 5.e5 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bh6 gh6)

    11.0-0 a6 12.Ne1 Bf8 13.f4 Ne7 14.g4 (14.Qb3 Qc7=) 14...h5 15.g5 (15.gh5 Nf5 Combination) 15...Bb5 (15...Qc7!?=+) 16.Bb5= ab5 17.Na3 (17.Ra8 Qa8 18.Qd3 Qa4=) 17...Ra5 (17...b4 18.cb4 Nc6 19.b5 (worse 19.Qh5 Bb4 20.Nec2 Ba3 21.Na3 Nd4-/+) 19...Nd4 20.Qd4 Ba3 21.Nc2=+) 18.Qb3 Nf5 (18...Nc6 19.Nf3=) 19.Nec2 Ba3 (19...h6 20.Nb5 Ra6 21.c4 dc4 22.Qc4=) 20.Ra3+= Ra3 21.Qa3 (21.Qb5 Kf8 22.Qb4 Kg7 23.Na3 h6+=) 21...h6= 22.Rb1 (22.Ra1!?=) 22...hg5=+ 23.Rb5 gf4 24.Rb7 f3 25.Kf1 Rg8 26.Ne1?? (26.Qa4 Kf8 27.Qa3 Kg7 28.c4-+) 26...Ne3-+ 27.Kf2 Qh4 28.Kf3 Qe4 29.Kf2 (29.Ke2 Nc4 30.Kd1 Qg4 31.Kc1 Na3 32.Rb8 Kd7 33.Rg8 Qg8 34.c4 Nc4 35.Nd3 Qg5 36.Kc2 Qd2 37.Kb1 Qd3 38.Kc1 Qc3 39.Kd1 Qd2) 29...Nd1 30.Kf1 Rg1!! 31.Kg1 (31.Kg1 Qe1 Mate attack) 31…Qe1 (31...Qe1 32.Kg2 Qe2 33.Kg1 Qf2 34.Kh1 Qf1) 0–1. Nevednichy,V (2530) – Andreescu,Darie_Ioan (2295), TCh–ROU Superliga, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.d4 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bh6 gh6)

    11.0-0 Rc8 12.Nbd2 Na5 13.Qb1 (better 13.Nb3!? Nb3 14.Qb3=) 13...Rc3-/+ 14.Bh7 (14.Rc1 Rc1 15.Qc1 b5-/+) 14...Qb6 15.Bc2 Qb1 16.Rfb1 b6 17.Ba4 Ba4 18.Ra4 Kd7 19.Kf1 Rhc8 20.Ke2 Ra3 21.Ra3 Ba3 22.h4 Be7 23.h5 Nc6 24.Nf1 Rb8 25.Ne3 a5 (25...Kc7 26.Nd1-+) 26.Ng4-/+ Bf8 27.Kd3 (27.Nf6 Kc7-/+) 27...Nb4 28.Kd2 a4 29.Ne1 (29.Nf6 Kc6-+) 29...a3 30.Ne3 (30.Nc2 Nc2 31.Nf6 Kd8 32.Kc2-+) 30...b5 31.N1c2 (31.Rc1 Nc6 32.Ng4 b4 33.Nf6 Kd8-+) 31...Nc6 32.Kd3 (32.Ng4 b4 33.Na1 Nd4-+) 32...b4 33.Na1 (33.Na3 ba3 34.Rb8 Nb8-+) 33...Na5 Black prepares the advance b3 34.Nec2 b3 35.Kd2 (35.Nb3 Nb3 36.Kc3-+) 35…b2 (35...b2 36.Kc3 Rc8 (36...ba1R?! 37.Rb8 Rc1 38.Kd2 Rc2 39.Kc2-+; 36...ba1N?! 37.Rb8 Nc2 38.Kc2-/+) 37.Kd3 Nc4 38.Na3 ba1R 39.Ra1 Ba3-+; 35...bc2? 36.Rb8 Nc4 37.Kc2+-) 0–1. Fanha,P (1880) – Martin Duque,J (2390), Portugal Open, 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    11.0-0 Rc8 12.Nfd2 (12.Na3!? a6 13.Qd2=) 12...Qb6+= 13.Ra2 a6 14.Qg4 Bf8 15.Kh1 (15.Qf4 Bg7+=) 15...Ne7 16.h4 Rg8 17.Qf3 Nf5 18.g3 Qd8 (18...Be7 19.Kh2-/+) 19.Qh5 (19.Kh2 Be7+=) 19...Rc6 20.Kh2 Rb6 (20...Be7 21.Qf3+=) 21.Re1 Be7 22.Nf1 Qc8 (22...a5 23.Bf5 ef5 24.Ne3+=) 23.Ne3 Ne3 24.fe3 Kd8 (24...Rg7 25.Qh6 Bf8 26.Rf2=) 25.Rf2 (25.Qf7 Rf8 26.Qh7 Rb3+/-) 25...Be8 (25...Kc7!?=) 26.Qh6+= Kc7 27.Bh7 (27.Nd2 Rb2+/-) 27...Rf8+= 28.Bd3 Kb8 29.Qh7 (29.e4 Bb5 30.Bb5 Rb5 31.ed5 ed5+=) 29...a5 30.h5 a4 (30...Qd8 31.Ref1 f5 32.ef6 Rf6 33.Rf6 Bf6 34.Kg2=) 31.h6 a3? (better is 31...Bc6!?+=) 32.Qg7+- Bb5 33.Bb5 Rb5 34.h7 Ra5? 35.Ree2 Rb5 36.Re1 Ra5 37.Na3 Ra3?? 38.Rf7 Ra2 39.Kh3 Qc3 40.Rf8 (40.Rf8 Bf8 41.Qf8 Ka7 42.h8Q Qc2 43.Qa8 Kb6 44.Rb1 Qb1 45.Qhd8 Kb5 46.Qb7 Kc4 47.Qdc8 Kd3 48.Qb1 Ke2 49.Qa2 Ke3 50.Qac2 Kd4 51.Q8c3) 1–0. Rapport,Richard (2700) – Balazs,Gabor2 (2395), Zalakaros HUN, 2014. (=1.e4 c5 2.Nf3+/- e6 3.b4 cb4+= 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Be7)

    11.h4 a6 12.Qd2 Bf8 13.Qf4 Bg7 14.Qg4 0-0 15.Ng5 (better 15.Nbd2!?=) 15...f5 16.ef6 Qf6 17.Nh7? (17.Nf3!?-/+) 17...Qf2-+ 18.Kd1 Qe3 (better 18...Rf4 19.Qh3 Nd4 20.cd4 Rd4-+ (20...Bd4?! 21.Ra3-+)) 19.Bc2? (19.Qh3 Qh3 20.Rh3 Rf2-+) 19...Rf2 (better 19...Rf4 20.Qh3 Bd4 21.Qe3 Be3 22.Rh3-+) 20.Re1 Qf4 21.Qf4 Rf4 22.Nd2 e5 23.de5 Be5 (23...Rh4?! 24.Nf6 Bf6 25.ef6-/+) 24.Rf1 Rf1 (24...Bc3?! 25.Rf4 Ba1 26.Nf6 Bf6 27.Rf6 Bg4 28.Nf3-+) 25.Nf1 Bg4 26.Kc1 Kg7 27.Ra4 Bh5 28.Ne3 (28.Bd3 Bc3 29.Ne3 Bg6-+) 28...b5 (28...Bc3?! 29.Nd5 Be5 30.Re4-+) 29.Ra2 (29.Nf5 Kh8 30.Ra3-+) 29...Bf4 30.Kd2 (30.Kb1 Be3 31.Bf5 Ne7-+) 30...Re8 31.Ra6 (31.Bf5 Re3 32.g4 Ne7-+) 31…Re3 (31...Re3 32.Bg6 Re6 33.Kc2 Bg6 34.Kb2 Bh7-+) 0–1. Perez,Flavio (2205) – Mercier,Jean Pierre (2250), FRA–chT2, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.d4 Nc6 6.a3 Nh6 7.ab4 Bb4 8.c3 Be7 9.Bh6 gh6)

    11.h4 Qc7 12.Qd2 Bf8 13.Na3 a6 14.Nb5 Qb8 15.Nd6 Bd6 16.ed6 Qd6 17.Qh6 0-0-0 18.0-0 Rdg8 19.Ng5 (19.Rfb1 Qc7=) 19...Qf4 20.g3 Qd2 21.Rfd1 Qc3 22.Nf7 Qd4 23.Nd6?? (better is 23.Be2 Qb2 24.Qe3+=) 23...Kc7-+ 24.Ba6 Qe5?? (better is 24...Rg3! 25.Kf1 Rg6 26.Nb5 Kb6-+) 25.Nf7 (better is 25.Nb7!? Rg6 26.Qd2=) 25...Rg3! 26.Kf1 (26.fg3 Qg3) 26...Qf5+= 27.Nh8 ba6 28.Ra4? (28.Qc1 Rh3 29.Ra3 Rh2-+) 28...Rf3?? (better is 28...Ne5!? 29.Qc1 Kd8 30.Rb4 Bb5 31.Rb5 ab5 32.Rd4-+) 29.Qd2 Rh3 30.Qf4 Qf4 31.Rf4 e5 32.Rf7 Rh1 33.Ke2 Nd4 34.Rd4 ed4 35.Rh7 Kd6 36.Nf7 Kc5 37.Ne5 Bb5 38.Kd2 Rh2 39.Ng4 Rh3 40.h5 ½–½. Kindler,Juergen – Runte,Martin, Darmstadt Heinerfestpokal op, 1993. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 e6 5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 Nh6)

    11.h4 Qc7 12.Qd2 Bf8 13.Rh3 0-0-0 (better 13...f6!? 14.Qe2 Rg8=+) 14.Kf1 Kb8 (14...Re8 15.Rg3+=) 15.Ng1 (15.Rg3 Na5 16.Qa2 Nc6+=) 15...Be7 (15...f6 16.ef6 e5 17.Rg3=) 16.Rf3 Rdf8 17.Qh6 Na5 (17...Qd8!?=) 18.Ne2 (18.Bh7 Nb3 19.Ra2 Nd4 20.cd4 Rh7-+) 18...Nc4 19.g3 Qb6 20.Qc1 (20.Nd2 Qb2 21.Rd1 Nd2 22.Rd2 Qa1 23.Kg2 Ba4+=) 20...f6 (20...Qb2 21.Qb2 Nb2 22.Bc2=) 21.ef6 (21.Bc4 dc4 22.ef6 Bf6+= (worse 22...Rf6 23.Rf6 Bf6 24.Qf4 e5 25.de5 Bh3 26.Ke1+-)) 21...Bf6 (21...Qb2 22.Qb2 (worse 22.fe7 Rf3 23.Qb2 Nb2-/+) 22...Nb2 23.Bc2= (worse 23.fe7 Rf3 24.Bc2 Rf7-/+)) 22.Nd2 Be7? (22...Nd2!? 23.Qd2 e5 24.de5 Be5=) 23.Nc4 (23.Rf8 Rf8 24.Bc4 dc4 25.Nc4 Qc6+-) 23...dc4 24.Be4 (24.Rf8 Rf8 25.Bh7 e5+-) 24...Bc6 25.Rb1 (25.Rf8!? Rf8 26.Bh7+-) 25...Qc7+= 26.Rf8 Rf8 27.Qe3 Bd6 28.f4 a5 (28...Bd5!?+=) 29.Bc6+- Qc6 30.Qe6 Qf3 (30...Re8 31.d5 Re6 32.dc6+-) 31.Kg1 (31.Ke1 Qh1 32.Kd2 Qc6+-) 31...Bc7 (31...Qc6 32.Rb2+-) 32.Kh2 (32.Rb5 Ka7 33.Rc5 Kb8+-) 32...a4 (32...Rc8 33.Rb5+-) 33.d5 (33.Rb4 a3 34.Rb1 Qf2 35.Kh3 Rd8+-) 33...Qf2 (better 33...Qd3 34.Ra1 b5+-) 34.Kh3 Qc5 35.Nd4 Ka8 (35...Qd6 36.Rb4 Qe6 37.Ne6 Rf5+-) 36.Qd7 Rd8 37.Qa4 Qa5 38.Qc4 Rd5 (38...Bb6 39.Ne6 Rd5 40.Rb6 Qb6 41.Qd5+-) 39.Nb5 (better 39.Nc6 Qa6 40.Qd5 bc6+-) 39...Rd7 40.Rb4 Kb8 41.Ra4 Qb6 42.Qa2 Kc8 (42...Qa6 43.Ra6 ba6 44.Qa6+-) 43.Ra8 Bb8 44.Qc4 Qc6 45.Na7 (45.Na7 Kc7 46.Nc6 bc6 47.Qb4+-) 1–0. Christensen,Bo (2245) – Socko,Monika (2470), Politiken Cup, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Be7 8.d4 Nh6 9.Bh6 gh6)

    7.c3 Bf8

    8.d4 a6 9.Bd3 Bd7 10.0-0 h6 11.Nbd2 Na5 12.Re1 Rc8 13.Bb2 b5 14.Nf1 (14.Ra2 Rc6=) 14...Qb6 15.Ng3 Ne7 (15...Nc4 16.Bc1=+) 16.Ba3= Nec6 (16...Nc4 17.Bc5 Qc6 18.Qc2=) 17.Bf8 Kf8 18.Nh4 (18.Nd2 Nb8 19.Ra3 b4=) 18...Nc4 19.Nh5 Ne7 (better 19...Qd8!? 20.Nf3 Nb2=) 20.Qg4 g5 21.Nf6 (21.Qf3!? gh4 22.Qf6+/-) 21...Be8= 22.Nf3 Ng8? (better 22...Nb2!? 23.Re3 Qc6+=) 23.Nd5!+- Qd8 (23...ed5 24.Qc8 Pinning (24.Qc8 Deflection)) 24.Nb4 (24.Bc4 Rc4 25.Ne3 Rc3 26.Ra6 Ne7+/-) 24...h5 (24...a5 25.Na2+/-) 25.Qg5+- Qg5 26.Ng5 a5 27.Nc2 a4 (27...Nb2 28.Bb5! Bb5 29.Reb1+-) 28.Nb4 (28.Ne4!? Ne7 29.Bc4 Rc4+-) 28...Nb2 29.Rec1 Kg7 (29...Nd3 30.Nd3 Ne7 31.Nc5+/-) 30.Ne4+- Bc6 31.Nd6 Rc7?? (31...Nd3 32.Nd3 Ra8 33.Rcb1+-) 32.Na6 (better 32.Nc6 Nd3 33.Ne8 Kf8 34.Nc7 Nc1 35.Rc1+-) 32...Ra7+/- 33.Nb4 Rc7 34.Bb5 (34.Nc6!? Nd3 35.Ne8 Kf8 36.Nc7 Nc1 37.Rc1 Ne7+-) 34...Bb5 35.Nb5 Rb7 36.Nd6 Rb8 (36...Rb6 37.Rcb1 Rd6 38.ed6+- (worse 38.Rb2 Rb6+-)) 37.Na6 (better 37.Rc2 a3 38.Ra3 Nd1+-) 37...Ra8 38.Nc5 (38.Nc7 Rb8 39.Rcb1 Ne7+-) 38...a3 (38...Ne7 39.Ra2 Rhb8 40.Kf1+-) 39.Rcb1 (better 39.Ra2 Ne7 40.Rca1 Rhb8+-) 39...Ne7 40.Kf1 Nd5 (40...Rhb8 41.Ra2 Nc8 42.Ke2+-) 41.Nde4 (41.c4 Nb4 42.Ra3 Ra3 43.Rb2 Nc6+-) 41...f5? (better 41...Rhb8+-) 42.ef6! Nf6 43.Ne6 Kf7 44.N6g5 Kg6 45.Nf6 Kf6 46.Ne4 Kf5 47.f3 h4 (47...Rhb8 48.Ke2+-) 48.h3 (48.Ra2 Rhb8 49.Ke2 Ke6+-) 48...Rhg8 (48...Kf4 49.Ra2+-) 49.Kf2 (49.Ra3 Ra3 50.Rb2 Kf4+-) 49...Nd3 50.Ke3 Nf4 (50...Nb2 51.Rg1 Nc4 52.Kd3 Nb2 53.Kc2 Kf4+-) 51.g4 (better 51.Rb5 Ke6 52.Kf4 Rg2+-) 51...hg3 52.Rb5 Ke6 53.Kf4 g2 54.Rb6 (54.Re5 Kf7 55.Ng5 Kg6+-) 54...Ke7 55.Rb7 (55.Rbb1 Rg6+-) 55...Kd8 (55...Ke6 56.Rbb1 Rgb8 57.Rg1+-) 56.Ng3 (56.Rbb1 Ke7+-) 56...a2 (56...Rg6 57.Ne2 Raa6 58.Ng1+-) 57.Rb2 (57.Ne2!? Rg6+-) 57...g1Q 58.Rg1 a1Q (58...Rf8 59.Ke3 Re8 60.Ne4+-) 59.Ra1 Rf8 60.Ke3 (60.Nf5 Rf5 61.Kf5 Ra1+-) 60...Ra1 (60...Re8 61.Kd3 Ra1 62.Rb8 Kd7 63.Re8 Ke8 64.c4+-) 61.Rb8 Ke7 62.Rf8 Kf8 63.c4 Ra2 64.Kf4 (64.h4 Kf7+-) 64...Rh2 (64...Ra4 65.Nf5 Rc4 66.h4+-) 65.Ne4 (better 65.Kg4!? Rd2 66.Nf5 Kf7+-) 65...Rh3 66.c5 Ke7 67.Ke5 (better 67.Ng5 Rh5 68.Kf5+-) 67...Rh5= 68.Kf4 Rh1?? (68...Rh3 69.d5 Kd7+-) 69.Ke3 (69.d5 Kd8+-) 69...Re1 (69...Ke6 70.Nc3+-) 70.Kd3 (70.Kd2 Rh1+-) 70...Rf1 (70...Rd1 71.Kc4+-) 71.Ng5 (71.Ke2!? Rb1+-) 71...Kf6 72.Ne4 Ke7 73.Nd2 (73.Ke2 Rb1+-) 73...Rf2 (73...Rd1 74.d5+-) 74.Ke3 Rh2 75.d5 Rh5 76.Kd4 Rh4 (76...Rh1 77.Ne4 Rf1 78.c6+-) 77.Ne4 Rh2 (77...Rf4 78.c6 Rf3 79.d6 Ke6+-) 78.Ke5 (78.f4 Kd8+-) 78...Kd7?? (better 78...Rh5 79.Kf4 Rd5+-) 79.c6 Kc7 80.Ke6 (80.f4 Rg2+-) 80...Rh6 81.Ke5 Rh4?? (81...Rh2 82.f4 Re2+-) 82.f4 Rh1 83.f5 Rh5 84.Ke6 (84.Nc5 Kb6 85.Ne6 Rh8+-) 84...Rh4 (84...Rh1 85.f6 Re1 86.Ke5+-) 85.Nf6 (85.Nd6 Rh2 86.Nf7 Rh4+-) 85...Rh1 (85...Rh8 86.Ke7 Rh1 87.Ne8 Kc8 88.d6 Re1 89.Kf8+-) 86.Ng4 (better 86.Ne8 Kd8 87.Ng7 Kc7+-) 86...Re1 (86...Rh8 87.d6 Kc6 88.Ne5 Kb7+-) 87.Ne5 Re2 (87...Rh1 88.d6 Kb6 89.c7+-) 88.f6 Kd8 89.d6 Rf2 90.c7 (90.Nf7 Kc8 91.d7 Kc7 92.d8Q Kc6 93.Ne5 Kb5 94.Qd7 Kb4 95.Qd4 Ka3 96.Qf2 Kb3 97.f7 Kb4 98.f8Q Ka4 99.Q8c5 Kb3 100.Qfc2) 90...Kc8 91.f7 Kb7 92.Ke7 Re2 93.f8Q Re5 (93...Kb6 94.Qb8 Ka6 95.c8Q Ka5 96.Qc5 Ka6 97.Qbb6) 94.Kd7 Rd5 (94...Ka6 95.c8Q Kb5 96.Qc6 Kb4 97.Qb8 Rb5 98.Qbb5 Ka3 99.Qa8) 95.Qb8 (95.c8Q Kb6 96.Qc6 Ka5 97.Qfa8 Kb4 98.Qaa4) 95...Ka6 96.Qa8 (96.c8Q Ka5 97.Qc3 Ka6 98.Qc6 Ka5 99.Qbb6) 96...Kb6 (96...Kb5 97.Qd5 Kb4 98.Qe4 Kc5 99.c8Q Kb6 100.Qcc6 Ka5 101.Qea4) 97.Qd5 Ka6 98.Qb3 (98.c8Q Kb6 99.Qdc5) 98...Ka7 (98...Ka5 99.Kc6 Ka6 100.Qb6) 99.Kc6 Ka6 100.Qb6 1-0. Shtyka,S (2175) - Dobrowolski,P (2410), Titled Tuesday, 2020.

    8.d4 a6 9.Bd3 Bd7 10.Ng5 Na5 (better 10...Be7!? 11.Nf7 Kf7 12.Qf3 Nf6 13.ef6 Bf6=) 11.Nh7+= Bb5 12.Bb5 ab5 13.Nf8 Kf8 14.0-0 Ne7 15.Bg5 Ra6 16.Na3 Qd7 17.Qb1 Nec6 18.Qb5 Kg8 19.Rfb1 Qc8 20.Qe2 Qa8 21.Nc2 Kf8 22.Ne3 Ke8 23.Qb5 Rf8 24.Nc2 f6 25.ef6 gf6 26.Bh6 Rf7 27.Nb4 Rh7 (27...Ra7+-) 28.Nd5! ed5 29.Re1 Re7 30.Re7 (30.Qd5 Re1 31.Re1 Ne7 32.Qh5 Kd7 33.Qb5 Nac6+-) 30...Ke7 31.Qd5 (better 31.Re1 Ne5 32.de5+-) 31...Ke8 32.Qh5 Kd7 33.Qf5 Ke8 34.Qg6 (34.Qf6 Ne7 35.Qg7 Nb3 36.Qf8 Kd7 37.Qa8 Ra1 38.Qa1 Na1+-) 34...Kd7+- 35.Qf5 Ke8 36.Qf6 b6?? (better 36...Ne7 37.Qg7 Nb3 38.Qf8 Kd7 39.Qa8 Ra1 40.Qa1 Na1+-) 37.Re1 Kd7 38.Bf4 Qd8 (38...Qf8 39.Qf8 Ne5 40.Re5 Ra8 41.Qf7 Kc6 42.Qd5 Kc7 43.Re8) 39.Qf5 (39.Qe6) 1–0. Menassa,Elias – Minaya Molano,Juan M (2260), COL–ch43 Cartagena, 1995. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.d4 f5 9.Bd3= g6 (9...Bd7 10.0-0=) 10.g4 (10.0-0 h6=) 10...Nce7 (10...fg4 11.Ng5 Qc7 12.Qg4=+) 11.h3 Bd7 12.0-0 (12.Qb3 Bc6=+) 12...Nh6 (12...fg4 13.hg4 Qc7 14.Ba3=+) 13.Ng5 (13.Bg5 fg4 14.Bf6 Rg8-/+ (14...gf3?! 15.Bh8 Neg8 16.Qf3=)) 13...Nf7 (13...Bg7 14.f3-/+) 14.c4 Ng5 15.Bg5 Bc6 (15...Qb6 16.c5 Qb2 17.Na3=) 16.Nc3 Qd7 17.Qb3 (17.c5 fg4 18.Qg4 Bg7=+) 17...h6 (17...fg4 18.Bf6 Rg8 19.hg4 dc4 20.Bc4=+) 18.Bf6= Rg8 19.Rfe1 (19.c5 Bg7=) 19...a6 (19...fg4 20.hg4 h5 21.c5=+) 20.Nb5 (20.c5 fg4 21.hg4 h5=) 20...Bb5 (20...dc4 21.Bc4 A) 21...Bb5?? 22.Be6 Qc7 23.Qb5 Nc6 24.Rec1+- (worse 24.Bg8 ab5 25.Ra8 Nb8+-); B) 21...Nd5-/+) 21.cb5= a5 22.b6 Nc6 23.Bb5 Bb4 24.Re3 (24.Rec1 Rc8=) 24...Rc8 25.Kh1 (25.Rg3 fg4 26.Rg4 Qf7=) 25...Qf7 (25...fg4 26.hg4 h5 27.g5=+) 26.Rg3 (26.gf5 gf5 27.Rg3 Rg3 28.fg3 Qh5=) 26...Kd7 (26...fg4 27.hg4 Rf8 28.Qe3=+) 27.Rag1 f4 28.Rf3 g5 29.h4 Be7 (29...Rg6 30.h5 Rf6 31.Rc1=) 30.Be7= Qe7 31.h5 Kd8 (31...Qb4 32.Qd3=) 32.Qd3 (32.Rc1!?+-) 32...Rg7 (32...Nb4 33.Qa3 Nc2 34.Qd3=) 33.Ra1 (33.Rb1!?=) 33...Qb4=+ 34.Ra4 Qe1 35.Kg2 Nb4 36.Qf1 (36.Qe2!? Nc2 37.Kh2-/+) 36...Qd2-/+ 37.Qe2 (37.Ra5? Nc2 (37...Qd4?! 38.Ra4 Qb2 39.Qe1-/+) 38.Ra1 Ne3 39.Re3 fe3-+) 37...Qd4 38.Ra5 Qb6 39.Rfa3 Nc6 (better 39...Nc2!? 40.R3a4 f3 41.Kf3 Qa5 42.Ra5 Nd4 43.Ke3 Ne2 44.Be2 Rf7-+) 40.R3a4?? (better 40.Bc6 Qc6 41.Ra8-/+) 40…Na5-+ 0–1. Baljon,Christofoor (2210) – Witt,Rob (2260), NLD–ch Leeuwarden, 1976. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.0-0 (11.Bf4 Bc5=+) 11...g6 12.Re1 Nh6 (12...Bg7 13.Na3 Ne5 14.Nb5 Nf3 15.Qf3+-) 13.Na3 Nf7 e5 seems the pivot of the position 14.Nb5 Qd8 15.Qc2 (15.Nbd4 Bg7=) 15...a6 (15...Bg7 16.Bf4=+) 16.h4 (16.Bg5! Be7 17.Be7 Qe7 18.Nbd4=) 16...Bd7-/+ 17.Nd6 (17.Bg5 Qc8 18.Qa2 Bc5-/+) 17...Nd6 18.ed6 Bd6 19.Bg6 hg6 20.Qg6 Kf8 21.Ng5 Increases the pressure on the backward pawn 21...Qe7 (better 21...Qe8 22.Ne6 Be6 23.Bh6 Rh6 24.Qh6 Kf7 25.Qh7 Kf6 26.Qh6 Kf7 27.Qh7 Kf8 28.Qh6 Kf7=) 22.Ne6 Be6 23.Re6 Bh2 (23...Qg7 A) 24.Rd6?! Qg6 (24...Rh4?? 25.Qf5 Ke8 26.Ba3+-) 25.Rg6 Rh4=; B) 24.Qf5 Kg8 25.Qd5 Bh2 26.Kf1+-) 24.Kf1 Qh7 (24...Qg7 25.Qf5 Kg8+-) 25.Ba3 (25.Ba3 Bd6 26.Bd6 Ne7 27.Rf6 Qf7 28.Qf7) 1–0. Edwards,Jonathan (2170) – Vandevenne,S (2080), 51st World Juniors, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.d4+= f6 9.Bd3= g6 10.0-0 fe5 11.Ne5 Ne5 12.de5 Bg7 =.

    8.d4+= f6 9.Bd3= g6 10.h4 Bg7 (10...fe5 11.de5 Bg7 12.0-0+=) 11.h5 (11.ef6!? Nf6 12.Ba3+=) 11...fe5-/+ 12.de5 Ne5 (12...Nge7 13.Bg5+=) 13.Ne5+= Be5 14.hg6 h6?? (14...hg6!? 15.Rh8 Bh8 16.Bg6 Kd7 17.Qa4 Kc7+=) 15.g7 (better is 15.0-0!? Ne7 16.Re1+/-) 15...Bg7= 16.Bg6? (better is 16.Qh5!? Kd7 17.0-0=) 16...Kd7-/+ 17.Rh5 Ne7 18.Bf7 (better is 18.Bd3-/+) 18...Qb6?? (better is 18...Rf8 19.Qf3 Qb6-+) 19.Qg4= Bf6 20.Qf3 Bg7 (20...Nf5 21.Bg6 Ke7 22.Ba3 Nd6+=) 21.Qg4= Bf6 22.Qf3 ½–½. Smolka,Marcin (2085) – Betkowski,Andrzej (2060), Lazy Poland, 2014. (=1.e4 e6 2.Nf3+= d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4)

    8.d4 f6 9.Nh4 g6 10.Nf3 fe5 11.de5 Bg7 12.Bf4 (12.Bb5 Nge7-/+) 12...Nh6 13.Bd3 (13.c4 0-0 14.cd5 Ng4-+) 13...0-0 14.Qd2 (14.Bh6 Bh6 15.0-0 Qc7-/+) 14...Nf7 (better 14...Ng4!?-+) 15.Qe3-/+ Qc7 16.0-0 (better 16.Kd1!?-/+) 16...Nfe5-+ (16...Nce5?! 17.Kh1-/+) 17.Nd4? (17.Ne5 Be5 18.Be5 Qe5 19.Qc5-+) 17...Nd4 18.cd4 Nf3! 19.Qf3 (19.Qf3 Qf4 Double attack (19...Qf4 Discovered attack; 19...Qf4 Decoy); 19.gf3 Qf4 Double attack (19...Qf4 Discovered attack; 19...Qf4 Decoy)) 19...Qf4 20.Qd1 Qd4 (20...Bd4 21.Ra2-+) 21.Ra2 Bd7 22.Na3 a6 23.Rd2 (23.Nc2 Qf4-+) 23...Bc6 (23...Qa4 24.Nc2-+) 24.Nc2 0–1. Neimanis,J – Peric,Slavisa (2300), Gonfreville op, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.d4 g6 9.Na3 a6 10.Nb5 Bd7 11.Nd6 Bd6 12.ed6 f6 13.Bd3 Kf7 (13...Bc8 14.Ba3=+) 14.h4 (14.0-0 Kg7=) 14...Kg7=+ 15.h5 g5 16.h6 (16.Qe2!?=+) 16...Nh6-/+ 17.Nd2 Be8 18.Ba3 Bg6 19.Nb3 b6 20.Rb1 (20.Bg6 hg6 21.Qd3 Nf7 22.Rh8 A) worse 22...Kh8 23.Qg6 Qg8 24.Qf6 Kh7 25.Kd2+= (25.Qe6?? Re8 26.Qe2 Re2 27.Ke2 Qg6-+); B) 22...Nh8?! 23.c4-/+; C) 22...Qh8-+) 20...Nf7 21.c4? (21.Bg6 hg6 22.Rh8 Qh8 23.Nd2-+) 21...Nd6 (21...dc4 22.Bg6 hg6 23.Rh8 Qh8 24.Rc1 cb3 25.Rc6 Qh1 26.Ke2 Qg2 27.Rc3-+) 22.cd5 ed5 23.Qc2 (23.Kf1-+) 23...Nc4! 24.Ra1 (24.Bc4 Bc2 Pinning (24...Bc2 Deflection)) 24...a5 (24...Bd3 25.Qd3 Na3 26.Kd1-+) 25.Kf1 (25.0-0 Na3 26.Qc6 Bd3 27.Ra3 Bf1 28.Kf1 Qc8-+) 25...a4 (better 25...Na3!? 26.Ra3 Nb4 27.Qd2 Bd3 28.Kg1-+) 26.Nc1 Nd4 27.Qd1 Nb3! 28.Ra2 (28.Nb3 Bd3 Double attack (28...Bd3 Decoy)) 28...Na3 29.Ra3 Qd6 30.Ra4 (30.Rb3 ab3 31.Nb3 Bd3 32.Qd3 Qb4-+) 30...Ra4 (better 30...Bd3 31.Qd3 Nc1 32.Qb5-+) 31.Qb3 (31.Nb3 Bd3 32.Qd3-+) 31...Bd3 (better 31...Ra1 32.g3 Rc1 33.Kg2 Rh1 34.Kh1 Bd3 35.Qd3-+) 32.Qd3 Ra1 (better 32...Qc5!? 33.Qe3 Qc4 34.Kg1-+) 33.Qc3 Qe5 34.Qc6 (34.Rh3 Rha8 35.Qe5 fe5-+) 34...Re8 (better 34...Qb2 35.Qc7 Kg6-+) 35.g3 Qe4 36.Kg1 d4 37.Qc7 (37.Qe4 Re4 38.Kg2 d3 39.Nd3 Rh1 40.Kh1 Rd4-+) 37…Re7 (37...Re7 38.Qe7 Qe7-+) 0–1. Daoudi,K (2075) – Kouch,Ahmed, Sekkat mem Casablanca MAR, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.d4+= h5 9.Bd3 +=.

    8.d4 Bd7

    9.Bd3 a6 10.Ng5 f5 11.0-0 A) 11...g6 A1) 12.Qb3 b5 (12...Be7 13.h4 h6 14.Nf3 g5 15.Qb7 g4 16.Nfd2 a5) 13.Na3 Nge7 14.Nc2 Bg7 15.Nb4 Nb4 16.Qb4 h6; A2) 12.Bd2 Nge7 (12...h6 13.Nf3 Nge7 14.Na3 Bg7 15.c4 0-0 16.Qb3 Rb8) 13.Qb3 b5 14.Bf4 Bg7 15.h3 0-0 16.Nd2 Qb6; A3) 12.Na3 h6 (12...Nge7 13.Qb3 Na5 14.Qa2 Nec6 15.Nf3 Be7 16.Bh6 Kf7) 13.Nf3 Nge7 14.Qb3 Na5 15.Qb2 Bg7 16.Bd2 b5; B) 11...Nge7 B1) 12.Na3 g6 (12...h6 13.Qh5 g6 14.Qh4 Nc8 15.Qh3 Bg7 16.Nf3 N8e7) 13.h4 Bg7 14.h5 h6 15.Nf3 g5 16.Qb3 Na5; B2) 12.Be3 h6 (12...g6 13.Nd2 Bg7 14.Nb3 b6 15.Ba6 0-0 16.Qd2 Qc7) 13.Nf3 g5 14.Na3 Bg7 15.Qb3 b5 16.h3 0-0; B3) 12.Nd2 h6 (12...g6 13.Nb3 b6 14.Ba6 Bg7 15.Bf4 0-0 16.Qd3 Qc7) 13.Nh3 Kf7 14.Qh5 Kg8 15.Ba3 Be8 16.Qe2 Bf7; C) 11...b5 C1) 12.Re1 b4 (12...Be7 13.h4 Kf8 14.Nd2 h6 15.Nh3 Bh4 16.Nb3 Be7) 13.g4 h6 14.Ne6 Be6 15.gf5 Bf7 16.e6 Nf6; C2) 12.Na3 b4 (12...Be7 13.Nc2 Kf8 14.f4 g6 15.Qd2 Na5 16.Rb1 Kg7) 13.cb4 Nd4 14.Bc4 Nb5 15.Qf3 Ne7 16.Bd3 Nd4; C3) 12.Be3 g6 (12...Be7 13.h4 g6 14.Nd2 Kf8 15.Nb3 Kg7 16.Qd2 Qb8) 13.Nd2 Nh6 14.Ngf3 Nf7 15.Ra2 g5 16.Nb3 Be7; D) 11...Be7 D1) 12.h4 Nh6 (12...Kf8 13.Nd2 Nh6 14.Qb3 b5 15.Ba3 Nf7 16.Be7 Qe7) 13.Qh5 Kf8 14.Ba3 Qe8 15.Qe2 Nf7 16.Nf3 g6; D2) 12.Bf4 Bg5 (12...Kf8 13.h4 h6 14.Nh3 Bh4 15.Nd2 Be7 16.Bg3 g5) 13.Qh5 g6 14.Qg5 Qg5 15.Bg5 h6 16.Be3 Nge7; D3) 12.Na3 Kf8 (12...g6 13.Nf3 Kf7 14.Bf4 Kg7 15.Qd2 Na5 16.Rfb1 Qc7) 13.Nf3 b5 14.h3 Nh6 15.Nc2 Kf7 16.Bf4 Rg8.

    9.Bd3 a6 10.Ng5 f5 11.Na3 A) 11...Nge7 A1) 12.Bd2 h6 (12...g6 13.0-0 Bg7 14.Qb3 b5 15.Nc2 0-0 16.Nb4 h6) 13.Nf3 Ng6 14.0-0 Kf7 15.c4 Ba3 16.Ra3 dc4; A2) 12.Qh5 g6 13.Qh4 Bg7 14.0-0 h5 15.c4 Nb4 16.Be2 0-0; A3) 12.0-0 g6 (12...h6 13.Nf3 Kf7 14.Be3 Na5 15.Nh4 g6 16.c4 Nec6) 13.Bf4 Bg7 14.Qb3 b5 15.Nc2 0-0 16.Nb4 Nb4; B) 11...Nh6 B1) 12.Bd2 Nf7 (12...Ba3 13.Ra3 0-0 14.0-0 Nf7 15.Nf3 Qc7 16.Qa1 Na7) 13.Nf7 Kf7 14.0-0 Be7 15.g4 Rf8 16.gf5 ef5; B2) 12.Bf4 Nf7 (12...b5 13.Nh7 Kf7 14.Bg5 Qc7 15.Nf8 Raf8 16.0-0 Kg8) 13.Nf7 Kf7 14.0-0 Be7 15.Nc2 Rf8 16.Ne3 Kg8; B3) 12.0-0 Nf7 (12...g6 13.Qb3 Na5 14.Qc2 Nf7 15.Nf3 Rc8 16.Bd2 Be7) 13.Nf7 Kf7 14.g4 Qh4 15.gf5 ef5 16.Qf3 Qg4; C) 11...g6 C1) 12.0-0 Nge7 (12...h6 13.Nf3 Nge7 14.c4 Nb4 15.Rb1 a5 16.c5 Bg7) 13.Bf4 Bg7 14.Qb3 b5 15.Nc2 0-0 16.Nb4 Nb4; C2) 12.Bf4 Bg7 (12...Nge7 13.0-0 Bg7 14.Qb3 b5 15.Nc2 0-0 16.Nb4 Nb4) 13.0-0 Nge7 14.Nc2 0-0 15.h3 a5 16.Qb1 Qc7; C3) 12.Qb3 Na5 (12...Nge7 13.0-0 Na5 14.Qb2 Nec6 15.Nf3 Kf7 16.Nc2 b5) 13.Qb2 Ne7 14.0-0 Nec6 15.Nf3 Kf7 16.Nc2 b5; D) 11...Qa5 D1) 12.Qd2 Nd4 13.Qb2 Nc6 14.Bf4 d4 15.Nb5 dc3 16.Nc3 Qb4; D2) 12.Qb3 Nd4 (12...h6 13.Nf3 Kf7 14.0-0 Rb8 15.Bf4 b5 16.Nc2 Qb6) 13.Qb2 Nc6 14.f4 h6 15.Nf3 d4 16.Nd4 Nd4; D3) 12.Bb2 Qd8 (12...Nh6 13.0-0 Qd8 14.h4 Ng4 15.c4 h6 16.Nf3 Nb4) 13.f4 Nh6 14.0-0 Nf7 15.c4 Ng5 16.cd5 ed5.

    9.Bd3 a6 10.Ng5 f5 11.Qe2 A) 11...Na5 A1) 12.Bf4 Ne7 (12...Qc7 13.0-0 Ne7 14.Nd2 h6 15.Nh3 0-0-0 16.Rfc1 g5) 13.Nd2 h6 14.Nh3 Rc8 15.0-0 Rc3 16.Rfc1 Qc7; A2) 12.Ra2 Ne7 (12...Rc8 13.0-0 Ne7 14.Nd2 Rc3 15.Bb2 Rd3 16.Qd3 h6) 13.0-0 h6 14.Nh3 Qc7 15.Nd2 0-0-0 16.Bb2 Ng6; A3) 12.Be3 Nb3 (12...Be7 13.Nd2 Rc8 14.Rc1 Bg5 15.Qh5 g6 16.Qg5 Qg5) 13.Ra2 Be7 14.h4 Nh6 15.Qd1 Na5 16.Qh5 Kf8; B) 11...Nge7 B1) 12.Nd2 h6 (12...Qc7 13.0-0 h6 14.Nh3 0-0-0 15.Rb1 Na5 16.Bb2 g5) 13.Nh3 Kf7 14.0-0 Ng6 15.g3 Kg8 16.Nb3 Kh7; B2) 12.Na3 h6 (12...b5 13.Qh5 g6 14.Qh4 h5 15.0-0 Bg7 16.Nc2 Na5) 13.Nf3 Kf7 14.0-0 Ng6 15.c4 Nb4 16.h3 Bc6; B3) 12.0-0 h6 (12...g6 13.Nd2 h6 14.Ngf3 Bg7 15.Nb3 0-0 16.Nc5 Qc7) 13.Nh3 Ng6 14.Nf4 Kf7 15.Ng6 Kg6 16.Be3 Kh7; C) 11...g6 C1) 12.Qb2 h6 (12...b5 13.0-0 Bg7 14.Qa3 b4 15.cb4 Nd4 16.Be3 Be5) 13.Nf3 b5 14.Nbd2 Nge7 15.Nb3 Bg7 16.Nc5 0-0; C2) 12.Na3 Bg7 (12...Nge7 13.0-0 Bg7 14.h4 h6 15.Nf3 0-0 16.Bf4 Qc7) 13.0-0 Nge7 14.h4 h6 15.Nf3 0-0 16.Bf4 Qc7; C3) 12.0-0 Bg7 (12...Nh6 13.h4 Nf7 14.Nd2 Be7 15.Ndf3 0-0 16.Ba3 Ba3) 13.Qb2 b5 14.Bf4 Nge7 15.Nf3 0-0 16.Nbd2 Na5; D) 11...Be7 D1) 12.f4 Nh6 (12...g6 13.0-0 Nh6 14.Nd2 0-0 15.Nb3 Ng4 16.h3 Nh6) 13.Qh5 Kf8 14.Ba3 Ba3 15.Ra3 Qe7 16.0-0 Nf7; D2) 12.Na3 Na5 (12...Nh6 13.Qh5 Kf8 14.0-0 Kg8 15.h4 Qe8 16.Qe2 Nf7) 13.Bf4 Rc8 14.Nb1 Kf8 15.Nf3 g5 16.Bg5 Bg5; D3) 12.0-0 Nh6 (12...Bg5 13.Qh5 g6 14.Qg5 Qg5 15.Bg5 h6 16.Be3 Nge7) 13.Qh5 Kf8 14.Ba3 Qe8 15.Be7 Ne7 16.Qh4 Ng6.

    9.Bd3 a6 10.Ng5 f5 11.Be3 A) 11...g6 A1) 12.Nd2 Nh6 (12...b5 13.h3 Nh6 14.0-0 Nf7 15.Ndf3 Be7 16.Nf7 Kf7) 13.0-0 Ng4 14.Bf4 Be7 15.Nh3 g5 16.f3 Nh6; A2) 12.h3 Bg7 (12...Nge7 13.Nd2 Bg7 14.0-0 0-0 15.Nb3 f4 16.Bd2 Nf5) 13.0-0 Nge7 14.Nd2 0-0 15.Nb3 f4 16.Bd2 Nf5; A3) 12.0-0 Nh6 (12...b5 13.Nd2 Nh6 14.Ngf3 Nf7 15.Qe2 Be7 16.Ra2 Ra7) 13.Nf3 Bg7 14.Na3 0-0 15.Qd2 Nf7 16.c4 dc4; B) 11...Nh6 B1) 12.h3 Nf7 (12...Be7 13.Qh5 Kf8 14.0-0 Qe8 15.Qe2 Qg6 16.Nf3 Kf7) 13.Nf7 Kf7 14.Nd2 Be7 15.g4 Rf8 16.gf5 ef5; B2) 12.Nh7 Kf7 (12...Qh4 13.Bg5 Qg4 14.Qg4 fg4 15.Nf8 Kf8 16.Nd2 Nf5) 13.Bg5 Be7 14.Qh5 Kg8 15.Nf6 Kf8 16.0-0 Nf7; C) 11...b5 C1) 12.0-0 g6 (12...Be7 13.h4 b4 14.cb4 Nb4 15.Nc3 Rc8 16.Qd2 Rc6) 13.Nd2 Nh6 14.Ngf3 Nf7 15.Ra2 g5 16.Nb3 Be7; C2) 12.h3 Be7 (12...g6 13.0-0 Nh6 14.Nd2 Nf7 15.Ndf3 Be7 16.Nf7 Kf7) 13.h4 g6 14.0-0 h5 15.Qd2 Nh6 16.Ne6 Be6; C3) 12.Nd2 g6 (12...Be7 13.h4 Kf8 14.0-0 Qe8 15.Nb3 Qd8 16.Qe2 Nh6) 13.0-0 Nh6 14.Ngf3 Nf7 15.Ra2 g5 16.Nb3 Be7; D) 11...Nge7 D1) 12.0-0 h6 (12...g6 13.Nd2 Bg7 14.Nb3 h6 15.Nh3 0-0 16.Nc5 b6) 13.Nf3 g5 14.Qb3 b5 15.Na3 Bg7 16.h3 0-0; D2) 12.Na3 g6 (12...h6 13.Nf3 g5 14.0-0 Bg7 15.h3 0-0 16.Qb3 b5) 13.0-0 Bg7 14.h4 0-0 15.h5 f4 16.Nh7 fe3; D3) 12.Nd2 h6 (12...g6 13.Nb3 b6 14.Ra6 Ra6 15.Ba6 Bg7 16.0-0 0-0) 13.Ngf3 g5 14.Nb3 Ng6 15.0-0 Be7 16.c4 Nb4.

    9.Bd3 a6 10.Ng5 f5 11.g4 h6 (11...Nh6 12.gf5 Nf5 13.Bf5 ef5= 14.e6 Bc8 15.Nf7 Qc7 16.Nh8 Be6) 12.Ne6 (better 12.Nh3!? Nge7 (12...Kf7 13.gf5 ef5 14.Nf4 Nge7 15.Rg1 Qc8 16.Nd2 g5) 13.gf5 ef5 14.Nf4+= Qc8 15.0-0 Kf7 16.Re1 Nd8; 12.Nf3 Nge7 (12...g6 13.gf5 gf5 14.Nbd2 Qc7 15.Rg1 0-0-0 16.Nb3 Kb8) 13.Nh4 Qc7 14.gf5 0-0-0 15.fe6 Be6 16.f4 g5) 12...Be6=+ 13.gf5 Bf7 14.e6 Nf6 15.ef7 Kf7 16.0-0 (16.Kf1 Bd6) 16...Bd6 17.Qf3 Qc7 (17...Re8 18.Qg2=) 18.h3 (18.Qg2!?=) 18...Rhe8=+ 19.Nd2 Kg8 20.Qg2 (20.Ba3 Ba3 21.Ra3 a5=+) 20...Qf7 (20...Na5 21.Bb2=+) 21.Kh1 (21.Nf3 Kf8=+) 21...Qh5 (21...a5 22.Rg1 Kh8 23.Bb5=+) 22.Rg1= Re7 23.Nf1 Rf8 (23...a5 24.Ne3 Kh8 25.Rb1=) 24.Nh2 (24.Ne3 Rff7=) 24...Kh8 (24...a5 25.Ng4 Ng4 26.Qg4 Qg4 27.hg4+=) 25.Ng4 Ng4 (25...a5 26.Bd2+=) 26.Qg4+= Qf7 (26...Qe8 27.Qh4 Qd7 28.Bh6 gh6 29.Rg6+-) 27.Be3 (27.Qh4 Rfe8 28.Bh6 gh6+-) 27...Rc7 (27...Bc7 28.Rab1 Bd8 29.Bc1+=) 28.Qh4 Be7 29.Qf4 (29.Qg3 Rcc8+=) 29...Bf6 (29...Bg5 30.Qh2 Be3 31.fe3=) 30.Rg6+= Rcc8 (better 30...Re7+=) 31.Rag1 (31.Qg4 Ne7 32.Bh6+-) 31...Ne7=+ 32.Qg4 Ng8 (better 32...Ng6!? 33.fg6 Qe7=+) 33.Bd2 Rc7 (33...a5 34.Bc2+=) 34.Qg3 (34.Qh5 Rcc8+=) 34...Rfc8+= 35.Qg4 (35.Re1 Rc3 36.Bc3 Rc3+=) 35...Rc3 36.Bb1 (better 36.Bc3!? Rc3 37.Qe2=) 36...R3c4 (36...Ra3 37.Qh5 Qf8 38.Bc1-/+) 37.Qh5 Qf8 (37...Bd4 38.f6 Qf6 39.Bh6 Nh6 40.Rf6 Bf6 41.Qg6+-; 37...Rd4 38.Bh6! Qg6 39.Bg7 Kg7 40.Qg6 Kf8 41.Qg8 Ke7 42.Qe6 Kd8 43.Rg8 Kc7 44.Rc8) 38.Bh6?? (better 38.Be3 Ra4 39.Bd3-/+) 38...Nh6-+ 39.Rh6 (39.Rd1 Rd4 (39...Bd4?! 40.Rd4 R8c6 41.Rd5=) 40.Rd4 Bd4-+) 39...gh6 40.Rg6 Rc1 (better 40...Kh7!? 41.Kg2-+) 41.Kg2 Bg5 (better 41...Kh7 42.Ba2 Rd8 43.Qe2-+) 42.Bd3 R1c3 43.Bb1 Rc1 ½–½. Dragojevic,Miodrag – Komic,I (2255), Open, Zagreb CRO (9), 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7)

    9.Bd3 a6 10.Ng5 f5 11.h3 A) 11...Be7 A1) 12.Be3 Bg5 (12...Nh6 13.Qh5 Kf8 14.Nd2 Qe8 15.Qd1 Bg5 16.Bg5 Qg6) 13.Qh5 g6 14.Qg5 Qg5 15.Bg5 h6 16.Be3 Nge7; A2) 12.Qe2 Nh6 (12...Kf8 13.Nf3 Nh6 14.0-0 Kg8 15.Nbd2 Nf7 16.Ba3 Ng5) 13.Qh5 Kf8 14.0-0 Qe8 15.Qe2 Qg6 16.h4 Ng4; A3) 12.0-0 Bg5 (12...Kf8 13.Nf3 Nh6 14.Nbd2 a5 15.Ba3 Kf7 16.Bd6 Bc8) 13.Qh5 g6 14.Qg5 Qg5 15.Bg5 h6 16.Be3 Nge7; B) 11...b5 B1) 12.Be3 Nge7 (12...Be7 13.h4 g6 14.0-0 h5 15.Nd2 Nh6 16.Qb3 Nf7) 13.0-0 h6 14.Nf3 Kf7 15.h4 Na5 16.Nbd2 Nc4; B2) 12.Bd2 g6 (12...Nge7 13.0-0 g6 14.Bf4 Bg7 15.Nd2 h6 16.Ngf3 g5) 13.0-0 Nge7 14.Na3 Bg7 15.Nc2 0-0 16.Nb4 h6; B3) 12.0-0 Nge7 (12...Be7 13.h4 g6 14.Be3 h5 15.Qd2 Nh6 16.Ne6 Be6) 13.Qh5 g6 14.Qh4 Ng8 15.Qf4 Nge7 16.Nd2 h6; C) 11...g6 C1) 12.Bf4 Nge7 (12...Bg7 13.Qb3 b5 14.0-0 Nge7 15.Na3 0-0 16.Nc2 h6) 13.0-0 Bg7 14.Nd2 h6 15.Ngf3 g5 16.Bh2 0-0; C2) 12.Be3 Bg7 (12...Nge7 13.Nd2 Bg7 14.0-0 a5 15.Qb3 0-0 16.Bf4 Rb8) 13.0-0 Nge7 14.Nd2 0-0 15.Nb3 f4 16.Bd2 Nf5; C3) 12.0-0 Bg7 (12...Be7 13.Nf3 Kf7 14.Nbd2 Kg7 15.Nb3 Qc7 16.Bf4 Nh6) 13.Qb3 b5 14.Qa3 b4 15.Qb2 Nge7 16.cb4 Qb6; D) 11...Nge7 D1) 12.0-0 h6 (12...g6 13.Nd2 Bg7 14.Nb3 h6 15.Nf3 b6 16.Ra6 0-0) 13.Nf3 Ng6 14.Qb3 Na5 15.Qa2 Bb5 16.Bb5 ab5; D2) 12.Na3 h6 (12...g6 13.0-0 Bg7 14.Bf4 0-0 15.Qb3 Na5 16.Qa2 Qc7) 13.Nf3 Ng6 14.g4 Kf7 15.gf5 ef5 16.Qb3 Be7; D3) 12.Be3 g6 (12...h6 13.Nf3 Ng6 14.0-0 Be7 15.Qb3 b5 16.g4 Na5) 13.0-0 Bg7 14.Qb3 b5 15.Nd2 0-0 16.Bf4 h6.

    9.Bd3 a6 10.Ng5 g6 11.h4 h5 (11...h6 12.Nf3=+) 12.Ba3 (better 12.Qf3!? f5 13.ef6 Qf6 14.Qf6 Nf6 15.Bg6 Ke7 16.Ba3 Kd8 17.Nf7 Kc7 18.Nh8 Ba3 19.Na3 Rh8 20.0-0+-) 12...Nh6 13.Bf8 Kf8 14.Nd2 Nf5 15.Ngf3 (15.Qf3 a5=) 15...Na5 (15...Nce7 16.0-0=+) 16.Qc1 (16.0-0 Kg7=) 16...Kg7=+ 17.Qa3 (17.0-0 b6=+) 17...b6 18.Rh3? (18.Bf5 ef5 19.0-0 Rc8=+) 18...Bc6 (18...Bb5!? 19.Bf5 ef5 20.Ng5-/+) 19.Bf5 (19.Qb4 Bb5 20.Bb5 ab5 21.Qb5 Qe7-/+) 19...ef5-/+ (19...gf5?? 20.Rg3 Kh7 21.Ng5 Qg5 22.Rg5+-) 20.e6? (better 20.Kf1-/+) 20...Re8-+ 21.Kf1 Re6 22.Ne5 (22.Kg1 Qc7-+) 22...Bb5 23.Kg1 Qe7 (23...f6 24.Nd3 Qc7 25.Rf3-+) 24.Qc1 (24.Qe7 Re7 25.Rg3 Kh7-+) 24...Rc8 (24...f6 25.Nd3 Qc7 26.Rf3 Bd3 27.Rd3-+) 25.Qd1 (25.Rg3 Qh4 26.Ndf3 Qe7-+) 25...Nc6 26.Ndf3 Ne5 (26...f6 27.Nd3 Qd6 28.Rg3-+) 27.Ne5 f6 (27...Rh8 28.Qc1-+) 28.Ng6 Kg6 29.Rg3 Kh6 30.Qd2?? (30.Qf3 Re8 31.Qf4 Kh7 32.Qf5 Kh8 33.Rg6-+) 30...Kh7 31.Qf4 (31.Rf3 Re2 32.Qf4 Qe4 33.Qf5 Qf5 34.Rf5 Kg6 35.Rd5 Rc3-+) 31...Re1 32.Re1 Qe1 33.Kh2 Qe4 34.Qd6 Rg8 (34...f4 35.Qc7 Kh6 36.Qb6 Qf5-+) 35.Qc7 Kh8 36.Rg8 (36.Qb6 Rg3 37.Kg3 Qe7-+) 36...Kg8 37.Qd8 Kg7 38.Qc7 Kg6 39.Qb8 (39.Qg3 Kh7 40.Qc7 Kh6-+) 39...Qe8 (better 39...Qe6 40.Qg3 Kh7 41.Kg1-+) 40.Qg3 Kh7 (better 40...Kf7 41.Qc7 Ke6 42.Qb6 Qc6 43.Qa5-+) 41.Qf3 (41.Qc7 Qd7 42.Qb6-+) 41...Kg6 (better 41...Qe4 42.Qh5 Kg7 43.Qd1 Qh4 44.Kg1-+) 42.Qg3 Kf7 43.Qf3 (43.Qc7 Ke6 44.Qb6 Qc6-+) 43...Ke6 (better 43...Qe4!? 44.Qh5 Kg7 45.Qd1-+) 44.Qe3 Kd7 45.Qf3 Qf7 46.Qf5 Kc7 47.f3 (47.g4 hg4 48.Qg4 Be8-+) 47...Bd7 48.Qf4 Kb7 49.g4 hg4 50.fg4 Qg6 (better 50...Qe6 51.g5 fg5 52.hg5-+) 51.Qd6 (51.Kg3 a5 52.h5 Qd3 53.Kh4 Qd1-+) 51...Qc2 (51...Qg4 52.Qd5 Bc6 53.Qf7 Kb8 54.Qf8 Ka7 55.Qe7 Bb7 56.d5-+) 52.Kg1 Qd1 53.Kf2 (53.Kh2 Qg4 54.Qf6 Qh3 55.Kg1 Qg3 56.Kh1 Qc3-+) 53...Qd2 54.Kg1 (54.Kf3 Qc3 55.Kg2 Qd2 56.Kh3 Qd3 57.Kh2 Qe2 58.Kh1 Qf3 59.Kh2 Bg4-+) 54...Qe1 55.Kg2 Qh4 (better 55...Qe2 56.Kh1 Qf3 57.Kh2 Bg4 58.Qe7 Kc6 59.Qe8 Bd7-+) 56.Qd7= ½–½. Bodewes,Peter – De Boer,Robert, Groningen SO ON Mini op–B, 2000.

    9.Bd3= Qb6 10.0-0+= Rc8 (10...Nh6 11.Na3 a6 12.Nc2+=) 11.Qd2 (11.Na3!? a6 12.Rb1+=) 11...Nge7 12.Ba3 (12.Qa2 a6=) 12...Ng6 (better is 12...Na5 13.Qc2 Nc4=) 13.Rc1 (better is 13.Bf8!? Kf8 14.Na3+=) 13...Na5-/+ 14.Bc2 Nc4 15.Qe1 Na3 16.Na3 a6 (16...Qb2 17.c4 Ba3 18.Rab1 Rc4 19.Rb2 Bb2 20.Rb1 Rc2 21.Qd1-+) 17.Rcb1 (17.Qe3!?-/+) 17...Qc7-+ 18.Bg6 hg6 19.Rc1 Be7 (19...b5 20.Qe3-+) 20.Nd2? (20.c4 Qb8-/+) 20...0-0 (20...b5 21.Nf3-+) 21.c4 Qd8 22.Rc3? (better is 22.cd5!? Rc1 23.Qc1 ed5 24.Nc2-/+) 22...dc4 (22...b5!? 23.Nc2 b4 24.Rb3 dc4 25.Rb4 Bb4 26.Nb4-+) 23.Rc4 Ba3 (better is 23...Bc6 24.Qe3 Qd5-+) 24.Ra3-/+ Rc4 25.Nc4 Bb5 26.Nd6+= Bc6 27.f4 g5 28.f5 ef5 29.Nf5+= Qd7 30.Qb1? f6?? 31.Qb3+- Kh7? 32.Qc2 Kg8? 33.Qa2+- Kh7? 34.Qc2 Kg8 ½–½. Pfreundt,Mathis (1665) – Biermann,Lenhard, Magdeburg GER, Ch U12 (b), 2014. (=1.e4 e6 2.Nf3+= d5 3.e5 c5+= 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    9.Bd3 Nge7 10.0-0 Ng6=.

    9.Bd3 Nge7 10.Ba3 Ng6 11.Bf8 Nf8 12.h4 Ng6 13.g3 (13.h5 Nge7=+) 13...Nge7 14.Nbd2 Na5 15.Qb1 h6 16.0-0 b6 17.Rc1 0-0 18.g4 Be8 (18...b5 19.g5-/+) 19.h5 (19.g5 h5=+) 19...Rc8 (19...Nec6 20.Re1-/+) 20.Kh2 (20.g5 Rc7=+) 20...Rc7 (20...f5 21.ef6 Qc7 22.Kg1 gf6 23.Ba6-/+) 21.g5=+ hg5 22.Ng5 Nf5 (22...Kh8 23.Rg1=+) 23.f4 (23.Rg1 Bd7 24.Bf5 ef5 25.h6=) 23...Qe7 (better 23...Bd7-/+) 24.Bf5+- ef5 25.Qf5 g6 26.Qd3 (better 26.hg6!? fg6 27.Qe6 Bf7 28.Qe7 Re7 29.Kg3+-) 26...f6= 27.ef6 Qf6 28.Rf1 (28.Qg3 Bd7 29.Rg1 Qf4=+ (29...gh5?? 30.Nge4 Bg4 31.Nf6 Rf6 32.Qh4+-)) 28...gh5 29.Rae1 Bg6 30.Qg3 h4 (better 30...Rfc8!? 31.Qg2 Rc3 32.Qd5 Kh8=+) 31.Qg2= Rg7 32.Qd5 (32.Ne6 Bd3 33.Qd5 Bf1 34.Nf8 Kh8+-) 32...Bf7= 33.Qf3 Nc4 34.Nde4 Qf5 35.Qh5?? (better 35.Nf7 Rff7 36.Qh3=) 35...Bg6 (better 35...Bh5 36.Rf2 b5-+) 36.Qh4+= a5 (36...b5 37.Ng3 Qd3 38.f5+-) 37.Rf2 (37.Ng3 Qd3 38.f5 Bf7 (38...Bf5 39.Rf5 Rf5 40.Re8 Rf8 41.Rf8 Kf8 42.Qh8 Ke7 43.Qg7 Kd6 44.Qb7+-) 39.Nf7 Rff7 40.Re8 Rf8+-) 37...a4 38.Ng3 Qd7 39.Kg1 Bf5 (39...Re7 40.Re7 Qe7+-) 40.Rh2+- Bh7 41.Nh5 (worse 41.Nh7 Rh7 42.Nh5 Qf5+-) 41...Rg6 42.Rhe2 Rh6 (42...Qf5 43.Ng3 Rg5 44.fg5+- (44.Qg5?! Qg5 45.fg5 Bg6+-)) 43.Nf6 (43.Nh7?! Qh7 44.Rg2 Kh8=) 43...Rhf6 (43...Rff6 44.Re8 Double attack; 43...Rhf6 44.Nh7 Double attack (44.Nh7 Decoy)) 44.Re7 Qf5?? (44...Qe7 45.Re7 Bf5+-) 45.Rh7 (worse 45.Qh7 Qh7 46.Rh7 Rf4-/+; 45.Nh7?! Qg6 46.Qg5 Qg5 47.fg5 Rg6 48.Nf8 Rg5 49.Kf2 Kf8+-) 45...Rc6 (45...Nd6 46.Rh8 Kg7 47.Rf8 Rf8 48.Ne6 Kf7 49.Nf8 Ne4+-) 46.Rh8 Kg7 47.Re7 Kf6 (47...Rf7 48.Rf7 Qf7 49.Qh7 Kf6 50.Qf7) 48.Rf8 (48.Rf8 Ke7 49.Rf5 Rf6 50.Qh7 Kd8 51.Rf6 Ke8 52.Qg7 b5 53.Rf8; 48.Ne6 Qg5 49.Qg5) 1–0. Depoorter,E (2100) – Waquet,Frederic, 2nd Open La Fere FRA, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7)

    9.Bd3 Nge7 10.Ng5 h6 (10...Nf5 11.g4 Nh4 12.Nh7=) 11.Nh7= Nf5 12.Nf8 Kf8 13.Qb3 Qc8 (13...Bc8 14.0-0+=) 14.Bf5 ef5 15.Qd5 Kg8 16.0-0 Ne7 (16...Be6 17.Qb5 a6 18.Qc5+=) 17.Qd6+- Ng6 18.c4 Kh7 19.Re1 Rd8 20.Qb4 Qc7 21.Na3 a6 (21...f4 22.Qb1 f3 23.gf3+-) 22.f4 (22.d5 b5 23.cb5 ab5+- (23...Ne5? 24.d6 Nf3 25.gf3+-)) 22...Rac8 (22...a5 23.Qb2+-) 23.Be3+- Nh4 (23...b5!? 24.cb5 Qb7+-) 24.d5+- Qb8? (better 24...b5+-) 25.Rab1 b5 26.cb5 (26.Qe7!? Ng6 27.Qf7 Rc7+-) 26...ab5 27.Nb5 (27.Red1 Rc7+-) 27...Qa8? (better 27...Qb7 28.Nd6 Qd5+-) 28.Bf2?? (better 28.Nc3+-) 28...Ng2 (better 28...Qd5!? 29.Bh4 Rc2-+) 29.Qd4 (29.Red1 Bb5 30.Qb5 Nf4 31.Qf1 Rd5 32.Be3-+) 29…Bc6 ½–½. Garcia,Jason – Blackburn,Su (1885), ch–WLS Cardiff WLS, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7)

    9.Bd3 Nge7 10.h4 h6 11.Ba3 Na5 12.Nbd2 Nec6 13.Bf8 Rf8 14.h5 Qc7 15.0-0 0-0-0 (15...f6!?=) 16.Qe2 Kb8 17.Rfb1 Bc8 (17...f6 18.ef6 gf6 19.Rb5+=) 18.Bb5+- b6 19.Ra4 Bb7 20.c4 a6 (20...dc4 21.Nc4 Nc4 22.Rc4 a6 23.Bc6 Bc6+-) 21.cd5 (better 21.Bc6 Nc6 22.cd5 Rd5 23.Ra6 Ba6 24.Qa6+=) 21...ab5= 22.d6 Qd7 23.Qb5 Na7 24.Qb4 (24.Qd7 Rd7 25.Rb6 N7c6+-) 24...f6 25.Raa1 Nc8 26.Rc1 Nc6 27.Qb2 fe5 28.de5 Rf4 (28...Qe8 29.Nc4 Rf4 30.Ra3 Qh5 31.Rb3-/+) 29.Nc4 The isolani on b6 becomes a target 29...Qf7 30.Qd2 (30.Ra3 Qh5 31.Rac3 Qg6-/+) 30...Rd7 (30...Rf5 31.Rcb1 Rh5=+ (31...Qh5 32.d7+-)) 31.Rab1-/+ Rf3 32.gf3 Qf3 (32...Qh5?! 33.Qe3-/+) 33.Rc3?? (33.Nb6 Nb6 34.Rb6 Ne5 35.Rb7 Rb7-+) 33...Nd4! (33...Qh5?! 34.Nb6 Nb6 35.Rb6 Ne5 36.Kf1 Qh1 37.Ke2 Qe4 38.Qe3 Qe3 39.Ke3 Ng4 40.Kf4 Nf2 41.Ke5-+) 34.Rf3 (34.Qd4 Qg2) 34...Nf3 35.Kf1 Nd2 36.Nd2 Nd6! 37.ed6 Rd6 38.Ke1 Bd5 (38...Kc7 39.Nc4 Rd4 40.Nb6-+) 39.Rb4 (39.f4 Kb7 40.Kf2 Rc6-+) 39...Kb7 40.Rg4 Rd7 41.Ne4 (41.Ke2 b5-+) 41...Kc6 42.Ke2 b5 43.Ke3 b4 44.Nd2 (44.Kd3 e5 45.Rg6 Kb5-+) 44…Rb7 0–1. Levi,Eddy (2300) – Wallace,John Paul (2340), Auckland, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7)

    9.Bd3 f5 10.g4 (10.Na3!?+=) 10...Nge7 (10...fg4 11.Ng5 Nh6 12.Nh7=+) 11.Ng5= h6 12.Ne6 Be6 13.gf5 Qd7 (better 13...Bg8=) 14.fe6+- Qe6 15.Qf3 0-0-0 16.Rg1 ½–½. Kuespert,Helmut (1925) – Thieme_Garmann,Alexander (2070), Fuerth GER, Pyramiden Cup, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7)

    9.Bd3 h6 10.0-0 a6 11.Bf4 (11.Ba3 Ba3 12.Ra3 Nge7=) 11...b5 12.Nbd2 Na5 (12...Nge7 13.Nb3=+) 13.Bg3 (13.Ra2 Nc4=) 13...Nc4 (13...Qc7 14.Qc2=+) 14.Nh4 (14.Nc4 bc4 15.Bc2 Ne7=+) 14...Nb2-/+ 15.Qe2 (15.Qc2 Nd3 16.Qd3 Qc7-/+) 15...Nd3 (15...Qc7 16.Rfc1-/+) 16.Qd3 Be7 (16...Ne7 17.Nb3-/+) 17.Nhf3 h5 18.h3 (18.Bf4 g5 19.Be3 h4-/+) 18...Nh6 (18...g5 19.Kh1-/+) 19.Ne1 (19.Nb3 Nf5-/+) 19...Nf5 Black prepares h4 (19...g5-/+) 20.Bh2 (20.Nc2 0-0-/+) 20...h4 (20...b4 21.Ra6 Rb8 22.Ra2-+) 21.f4 (21.Bf4 b4 22.Nef3 Bb5-+) 21...Qb6 (21...b4 22.Rf2-+) 22.Nc2 Rc8 (22...0-0 23.Ne3-+) 23.Ne3 Ne3 24.Qe3 g6 (24...0-0 25.f5 ef5 26.Bf4-+) 25.Nf3 (25.Nb3 0-0-/+) 25...a5 26.Kh1 a4 (26...Qc7 27.Rfc1-/+) 27.Bg1 Qa5 (27...Qc7 28.Rfc1-/+) 28.Rfc1 Kf8 29.Bf2 Kg7 30.Qe1 Qd8 31.Qe3 Rc7 32.Ng5 (32.Rcb1 Ra7-/+) 32...Rh5 (32...Ra7 33.Nf3-/+) 33.Nf3 Qc8 34.Qe2? (better 34.Qe1 Qh8 35.Rcb1-/+) 34...Rc3-+ 35.Qe1 Rc4 (35...b4 36.Be3-+) 36.Rd1 (36.Bh4 Rh4! 37.Rc4 Qc4 (37...dc4?! 38.Nh4 Bc6 39.Qg3-/+; 37...bc4?! 38.Nh4 Qb7 39.Nf3+=) 38.Nh4 Qd4-+) 36...Qd8 37.Nd2 (37.Kg1 b4-+) 37...Rc2 38.Nf3 b4 39.f5 (39.Rdb1 Rc4-+) 39...ef5 40.Be3 a3 (40...Qb6 41.Rd2 Rc7 42.Rb2-+) 41.Qf1 (41.Rdb1 Bb5-+) 41...b3 42.Qd3 (42.Rdb1 b2 43.Ra2 Qc8-+) 42...Qb6 (better 42...Qc8 43.Qb3 Rc3 44.Qd5 Re3 45.Qa5-+) 43.Rdb1 Ba4?? (better 43...Qb5 44.Qb3 Qb3 45.Rb3 Rb2-+) 44.Rb3?? (better 44.Qc2! bc2 45.Rb6+-) 44...Bb3 (44...Qb3 45.Qa6-+) 45.Nd2 (45.Bc1 a2-+) 45...Ba4 46.Rb1 (46.Ra3 Ba3 47.Qa3 Qa5-+) 46...Rb2 (46...Qb1 47.Nb1 a2 48.Qf1-+) 47.Rc1 (47.Ra1 a2 48.Qf1 Bc2-+) 47...a2 (better 47...Bb5 48.Bh6 Kh6 49.Qc3-+) 48.Qf1 Bc2 49.Ra1 Bb1 (better 49...Bb4 50.Nf3 Rb1 51.Bc1-+) 50.Nf3 (50.Kh2 Qb4 51.Qc1 Bg5-+) 50...Qb5 (better 50...Bd3 51.Qg1 Rb1 52.Ra2 Rg1 53.Bg1-+) 51.Nd2 (51.Qb5 Rb5 52.Nd2-+) 51...Qf1 52.Nf1 Re2 (better 52...Be4 53.Bd2 Bg5 54.e6 fe6 55.Kg1-+) 53.Bg1 Ba3 0–1. Maksimova,Elena (2125) – Hryhorenko,Nataliya (2345), 1. WMSG Blitz Team women, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Bd7)

    9.Bd3 h6 10.0-0 Nge7 11.Ba3 g6 (11...Na5 12.Nbd2=) 12.h4 (12.Nbd2 Nf5+=) 12...h5 (12...Nf5 13.Bf8 Kf8 14.h5=) 13.Ng5 (13.Nbd2 Nf5 14.Bf8 Rf8 15.Bf5 gf5+= (worse is 15...ef5 16.Qb3+/-)) 13...Bh6= 14.Nd2 Bg5 15.hg5 Na5 (15...Nf5 16.Nf3=) 16.Be7 (16.Bd6 Nf5=) 16...Ke7 17.Qf3 Ke8 18.c4 b6 (18...dc4 19.Ra5 cd3 20.Qb7+=) 19.cd5 ed5 20.e6 (20.Rfc1 Be6+=) 20...Be6 21.Rfe1 (21.Qf4 Kf8=) 21...Qg5= 22.Re5 Qg4?? (22...Qe7 23.Rae1 Nc6+=) 23.Qf6+- Kd7 24.Rg5 Rh6 (24...Qg5 25.Qg5 Rac8+-) 25.Rg4 hg4 26.Bb5 Kd6 (26...Nc6 27.Qf4 Rhh8+-) 27.Qf4 (27.Qf4 Ke7 28.Qg5 Kd6 29.Qh6+-) 1–0. Moravec,Vit (2160) – Grecny,Karol (1885), Ricany CZE, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    9.Bd3 h6 10.h4 a6 11.h5 (11.Nbd2 Nge7=) 11...Na7 (11...Na5 12.Nbd2=) 12.Na3 Ne7 13.Nh4 (13.0-0 Rc8 14.c4 dc4 15.Nc4 Nd5=) 13...Bc6 (13...Nec6 14.Nf3=) 14.Qe2 b5 (14...Nec8 15.Qg4=) 15.f4 (15.0-0 Bb7+=) 15...Bd7 16.Nc2 Qc8 (16...Nac6!?=) 17.Bd2+/- Nf5 (17...Nac6!?+/-) 18.Nf5+- ef5 19.Ne3 Be6 (19...Be7+-) 20.g4 g6 (20...fg4 21.f5 Bd7 22.0-0+-) 21.hg6 fg6 22.gf5 gf5 23.Bf5! Bf5 24.Qh5 Kd8 25.Nf5 (25.Qf5?! Qf5 26.Nf5 Nc8+-) 25...Nc6 26.Qf7 (better is 26.Ne3!? Qd7 27.Qf3 Kc7 28.Nd5 Kb7+-) 26...Qd7 27.Qf6 Kc7 28.e6 (28.Qh8!? Qf5 29.Qf6 Qf6 30.ef6 a5+-) 28...Qh7+/- 29.Kf2 (29.Rg1 Rg8 30.Kf2 Be7 31.Ne7 Qe7 32.Qh6 Kb6+/-) 29...Be7 30.Ne7 Ne7 (30...Qe7!? 31.Qf5 Rae8+/-) 31.c4 (31.c4 dc4 32.Rhg1+/-) 1–0. Drazic,Sinisa (2310) – Giocastro,Andrea, Catania op, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    8.d4 Nge7

    9.Na3 a6 10.Bd3 Qc7?? (better 10...Nf5=+) 11.Nb5!+- ab5 12.Ra8 b4 13.cb4 Nb4 14.Bb5 Nec6 15.Bg5 Na6 (15...h6 16.Bd2 Be7 17.Qa4+-) 16.0-0 Bb4 (16...Qd7 17.Qb1 h6 18.Rc1+-) 17.Qa4 0-0 18.Ra6 (18.Ba6!? ba6 19.Rc1 Bb7 20.Ra6 Rb8+-) 18...Nd4 19.Ra8 Nf3 20.gf3 Qe5 21.Qb4 Qg5 22.Kh1 d4 23.Qc4 Qf5 24.Qd3 (better 24.Rc1 Qf3 25.Kg1+-) 24...Qf4 (24...Qd3 25.Bd3 g6 26.Rb1+-) 25.Qe4 Qg5 (25...Qe4 26.fe4 e5+-) 26.Bd3 g6 (26...Qf5 27.Rc1 Bd7 28.Rf8 Kf8 29.Qf5 ef5 30.Rc4+-) 27.Qd4 b5 (27...e5 28.Qe3 Qe3 29.fe3+-) 28.Be4 Rd8 (28...Qe7 29.Rb1 e5 30.Qb6+-) 29.Qe3 (better 29.Qc3 Bd7 30.Rfa1 b4+-) 29...Qe7 30.Rc1 Bd7 31.Rd8 (31.Qa7 Ra8 32.Ba8 Qd8+-) 31...Qd8 32.Rd1 (better 32.Qd2!? b4 33.Bc6 Qf6 34.Qd7 Qb2+-) 32...Qe7 (32...Qc7 33.Qd4 f5 34.Qd7 Qd7 35.Rd7 fe4 36.fe4 g5+-) 33.Qd4 1–0. Markowska,Justyna (2005) – Van Amerongen,Marleen, Wch U26 (Women), 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Na3 Bd7 10.Bd3 Ng6 11.h4 Be7 12.Kf1 (better is 12.Nb5 h5 13.Nd6 Bd6 14.ed6+/-) 12...Nf8?? (better is 12...h5!?=) 13.Rh3 (13.Nb5 a5 14.Nd6 Bd6 15.ed6 h6+-) 13...h5 (13...a6!?+=) 14.Rg3 g6 (14...Qa5 15.Qc2 Rg8 16.Ra2+/-) 15.Ng5 a6 16.Rf3 Bg5 17.Bg5 (17.hg5?! Nh7+=) 17...Qc8 18.Qb1 Rh7? (better is 18...Nh7!? 19.Bh6 Ne7+/-) 19.Qb6 Qb8 20.c4 Bc8 (20...Rh8 21.g3+-) 21.cd5 (better is 21.Qb2+-) 21...ed5 22.Rc1 Be6?? (22...Ne6 23.Rf6 Bd7 24.Be3+-) 23.Nc2 (better is 23.Rc6 bc6 24.Qc6 Bd7 25.Qf6+-) 23...Qa7 24.Qb2 Rc8 25.Qa3 (better is 25.Rf4 Bg4 26.Ne3 Ne6 27.Nd5 Nf4 28.Nf6 Kf8 29.Nh7 Kg7 30.Bf4 Qd4 31.Qd4 Nd4+-) 25...Rc7? (better is 25...Bg4+-) 26.Nb4 a5 (26...f5 27.ef6 Nd4 28.Rc7 Rc7+-) 27.Nc6 bc6 28.Rc6! Rc6 (28...Rc6 29.Bb5 Pinning (29.Bb5 Decoy)) 29.Bb5 f5 30.Bc6 Kf7 31.Kg1 (31.Qa4 Kg8+-) 31...Kg8? (better is 31...Qd4 32.Qa5 Kg8+/-) 32.Rb3+- Qc7 33.Qc5 Nd7 34.Qb5 Nf8 35.Bd5 (better is 35.Rb1 Rf7+-) 35...Qd7? (better is 35...Rd7 36.Be6 Ne6+-) 36.Be6 Qe6 37.Qb8 Qf7 (37...Rc7+-) 38.Rb6 1–0. Llaneza Vega,M (2410) – Ning,Kaiyu (1705), 1st Zhongfu Open, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    9.Na3 Nf5 10.g4 (10.Nb5 h5=) 10...Nh4+= 11.Nh4 Qh4 12.Nb5 Qd8 13.h4 a6 14.Qf3 Bd7 15.Bg5? (15.Nd6 Bd6 16.ed6 0-0-/+) 15...Qb8?? (better is 15...ab5 16.Bd8 Ra1 17.Ke2 Nd8-+) 16.Na3-/+ b5 17.Nc2 b4 18.Bd3 (18.Rb1 b3 19.Na1 b2-+) 18...b3 19.Rb1 a5 20.Bc1 a4 21.Na3 Na7 22.Qe2 (22.h5 Qc7 23.c4 Qb6-+) 22...Qc7 23.0-0 Qc3 24.Bb2 Qc6 25.Rfc1 Qb6 26.Qe3 Qd8 27.g5 Bb4 28.Kg2 Rb8 29.f4 h5 30.f5 ef5 31.Qf3 g6 32.Kg3 Be6 33.Qe2 0-0 34.Bb5 Qa5 35.Bd3 Rfc8 36.Kf3 Bd2 37.Rd1 Bc3 38.Rdc1 Bb2 39.Qb2 Nc6 40.Rc5 Qb6 41.Nb5 Nd4! 42.Qd4 Qc5 43.Qa4 d4 44.Nd6 Qc6 45.Qc6 Rc6 46.Kf4 Rc3 47.Bb5 Bd5 48.Ba4 Rf3# 0–1. Krylov,Mikhail – Grachev,Boris (2265), RUS–ch U14 Togliatti, 2000. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 Nc6 6.ab4 Bb4)

    9.Na3 Ng6 10.Nb5 Be7 11.Ba3 +=.

    9.Na3 Ng6 10.Bd3 Be7 11.Nb5 a6 12.h4 Rb8 (worse is 12...Nh4 13.Nh4 Rb8 14.Nd6 Bd6 15.ed6 Qd6 16.Qg4+-) 13.h5 Nf8 (worse is 13...ab5 14.hg6 h6 15.gf7 Kf7 16.Bb5+/-) 14.Nd6 Bd6 15.ed6 Qd6 16.Ba3 Qd8 17.Qd2 Qc7 18.Qg5 f6 19.Qh4 b5 20.h6 b4 21.Bc1 (21.cb4!? Nb4 22.Bb4 Rb4 23.0-0+=) 21...bc3 22.Bf4 e5 23.de5 fe5?? (23...g5 24.Qh5 Kd8 25.Ng5 A) 25...fe5?? 26.Nf7 Ke7 27.Ne5+- (worse is 27.Nh8 Be6 28.Bg5 Kd7+-); B) 25...fg5 26.Qg5 Ke8-/+) 24.hg7= Qg7 25.Qh5 Ng6?? (better is 25...Ke7 26.Ne5 Nb4 27.Qh4 Ke6 28.Qh3 Kf6=) 26.Bg6+- Qg6 (26...Kd8 27.Ne5 Ne5 28.Be5+-) 27.Qg6 hg6 28.Rh8 Kd7 29.Ne5 (29.Ne5 Ne5 30.Be5+-) 1–0. Meyer,Lars (1830) – Klebs,Sebastian (1675), Rheinland op, 2003. (=1.e4 c5 2.b4 d5 3.e5 e6 4.a3 Nc6 5.Nf3 cb4 6.ab4 Bb4)

    9.Bd3 Bd7 10.0-0 Na5 11.Nbd2 b5 12.Ba3 Nc8 (12...Nc4 13.Nc4 bc4 14.Bc2=) 13.Bf8 Kf8 14.Qb1 Nc4 15.Bc4 (15.Bh7? Nd2 16.Nd2 Qh4-+) 15...dc4 16.Ne4 a5 17.Nfd2 Bc6 18.f4 g6 19.Nf6 h5 (19...Kg7 20.Qe1=+) 20.Nf3 Ne7 21.Qe1 Bf3 22.Rf3 Nd5 23.Ne4 b4 24.Nd6 (24.Qc1 bc3 25.Nc3 Nb4=+) 24...Nc3 25.Rc3 bc3 26.Qc3 Qc7 27.Qc4 (27.Ra4 Kg7=+) 27...Qc4 28.Nc4 Kg7 (28...a4 29.Nb6 Ra6 30.Nd7 (30.Na4?? Ke7-+) 30...Ke7 31.Nc5-+) 29.Ra5-/+ Ra5 30.Na5 Ra8 31.Nb3 Ra3 (31...Ra4!?-+) 32.Nd2-/+ Ra2 33.Nf3 Kf8 34.h3 Ke7 35.Kh2 Kd7 36.Ng5 Ke7 37.Nf3 f5 38.Kg3 Rb2 39.Nh4 Rb3 40.Nf3 Ra3 41.Kh2 Kd7 42.Nh4 Rd3 (42...Kc6 43.Ng6 Kd5 44.Nf8-/+) 43.Ng6=+ Rd4 (43...Ke8 44.Nh4 Rd4 45.Kg3=+) 44.Kg3= Rd2 45.Kf3 (45.Kh4!?=) 45...Ra2 46.Nf8 Ke7 47.Ng6 Kf7 48.Nh4 Ke8 49.Ng6 Ra3 50.Kf2 Ra7 51.g3 (51.Nh4 Kd7=+) 51...Rg7 (51...Ra2 52.Kg1-/+) 52.Nh4=+ Kd7 53.Nf3 Kc6 54.Ng5 Kd5 55.h4 Ra7 56.Kf3 Ra6 (56...Rc7 57.Ke2=+) 57.Ke3 Ra2 58.Kf3 Ra3 59.Kf2 ½–½. Arcos Facio,M (2195) – Moreira,M (2055), Montevideo URU, Men Ch, 2014. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nc6 5.ab4 Bb4 6.c3 Bf8 7.d4 d5 8.e5 Nge7)

    9.Bd3 Bd7 10.Na3 a6 11.0-0 Na5 12.Ng5 g6 13.Qf3 Nf5 14.Nf7 Kf7 15.g4 Bg7 (15...Nb3 16.gf5 gf5 17.Qh5 Kg8 18.Kh1=) 16.gf5 gf5 17.Kh1 Qh4 (17...Nb3 18.Qh5 Kf8 19.Bh6=) 18.Rg1= Bh6 19.Rg3 Bc1 20.Rc1 Rag8 21.Rcg1 Rg3 22.fg3 Qg4 23.Qg2 h5 (23...Rc8 24.h3 Qh5 25.g4 fg4 26.Qf1 Ke8 27.Rg4=+) 24.h3 (24.Be2 Qg5=+) 24...Qg5 (24...h4 25.Bf5 (25.hg4? hg3 26.Qh3 Rh3 27.Kg2 fg4-+) 25...ef5 26.Qd5 (26.hg4 hg3 27.Qh3 Rh3 28.Kg2 fg4-+) 26...Be6 27.Qe6 (27.hg4 Bd5 28.Kh2 fg4-+) 27...Ke6 28.hg4 fg4 29.Rf1=+) 25.Nc2 (25.h4 Qe3 26.Qf1-/+) 25...Nc6 26.h4 Qh6 27.Qf2 Ke8 28.Rb1 Nd8 29.Ne3 Rf8 30.Ng2 Ke7 (30...Ba4 31.Nf4=) 31.Nf4= Be8 32.Qb2 Kf7 33.Kh2 Kg7 34.Qa3 (34.Qb6 Bf7+=) 34...Kg8 (34...Rg8!?=) 35.Be2 (35.Qd6 Bc6+-) 35...Qh7 36.Qd6 Bf7 37.c4 dc4 38.Bc4 e6 draws heavy fire 38...Re8 39.d5 ed5 (39...b5 40.Bb3 ed5 41.Bd5 Qg7 42.Nh5 Qe5 43.Nf6 Kh8 44.Ne8 Qd6 45.Nd6 Bd5+-) 40.Bd5+- (40.Nd5 Bd5 41.Bd5 Kh8+=) 40...Kh8 41.Qf6 (better 41.e6 Be6 42.Ne6 Ne6 43.Be6+-) 41...Kg8?? (better 41...Qg7 42.Bf7 Qf6 43.ef6 Nf7 44.Rb7 Kg8+-) 42.e6+- (42.Bb7?! a5+-) 42...Be6 (42...b6+-) 43.Ne6 Qd7 (43...Qf7 44.Qg5 Kh7 45.Nd8 Re2 46.Kh3 Qd5 47.Rb7 Qb7 48.Qh5 Kg7 49.Qg5 Kf8 50.Qf5 Ke7 51.Nb7 Re1+-) 44.Nf4 Kh7 45.Qg6 Kh8 46.Qh6 (46.Qh6 Qh7 47.Ng6) 1–0. Nabuurs,J (2155) – Coenen,Bert, Enci Limburg Open, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Bd3 Bd7 10.Na3 a6 11.0-0 Ng6=.

    9.Bd3 Bd7 10.Na3 a6 11.h4 Rc8 12.Ng5 h6 13.Nh7 Nf5 14.Nf8 Kf8 15.h5 Qc7 16.g4 (16.Bd2 Kg8=) 16...Nfd4 (16...Nfe7 17.Bf4=+) 17.cd4= Nd4 18.Bb2 Qe5 19.Kf1 Qf4 20.Ba6 e5 21.Bd4 (21.Bb7 Bg4 22.Qb1 Qf3-+) 21...ba6 (worse 21...ed4 22.Be2+=) 22.Be3 Qe4 23.Rg1 d4 24.Rc1 (better 24.Bd2!?=+) 24...Rb8 (24...de3?? 25.Rc8 Ke7 26.Rh8 ef2 27.Kf2+-) 25.Rc7 Be6 (25...de3 26.Qd7 Qf3 27.Qf5 Qf2 28.Qf2 ef2 29.Kf2+-) 26.Bc1 Kg8 27.Rg3 Qh1 28.Ke2 Qe4 29.Kf1 Qh1 30.Ke2 Qd1 31.Kd1 Kh7 32.g5 (32.Nc4 f6=+) 32...Rhc8 33.Re7 hg5 34.Rg5 Rb3 35.h6 (better 35.Re5!? Bg4 36.Kd2=+) 35...gh6-+ 36.Re5 Bg4 37.Kd2 Rcc3 38.f3 Rf3 (38...Ra3 39.Ba3 (39.fg4? Ra2 40.Kd1 Ra1-+) 39...Rf3 40.Bc5 Rf2 41.Kd3 Bf5 42.Kd4+-) 39.Re4 Rfd3 (39...Ra3?! 40.Ba3 Bf5 41.R4e5= (41.Rf7? Kg6-+)) 40.Ke1 Rd1 (40...Ra3 41.Rg4 Ra1 42.Rf7 Kh8 43.Ke2+=) 41.Kf2 Rf3 (41...Bh5 42.Rc7 d3 43.Rd4-+) 42.Kg2 h5 43.Rf4 Rf4 (43...Rc1 44.Ref7 Kg6 45.Rf3 Bf3 46.Rf3-+) 44.Bf4 Kg6 45.Nc4 (45.Re5 f6 46.Ra5 Ra1-+) 45...f6 (45...Be6 46.Nd6-+) 46.Re8 Kf5 (46...Bd7 47.Rh8 Kf5 48.Bg3 Bc6 49.Kf2-+) 47.Bh6 (47.Bd2 Ra1-+) 47...Ra1 48.Bd2 Ra2 49.Kg3 Rc2 50.Nd6 Kg6 51.Bf4 d3 52.Ne4? (52.Rg8 Kh7 53.Ra8-+) 52...Kf5 (better 52...Re2-+) 53.Nd6= Kg6 54.Ne4 Re2 55.Nd6 (55.Re7 a5-+) 55...d2 56.Bd2 Rd2 57.Nc4 (57.Ne4 Rd3 58.Kf2 a5-+) 57...Rd3 (57...Rd4 58.Ne3-+) 58.Kg2 (58.Kf2 Rd4 59.Nb6 h4-+) 58...h4 59.Ne3 (59.Kf2 h3 60.Rg8 Kh5-+) 59...Rd2 (59...Kf7 60.Ng4 Ke8 61.Nf6 Ke7 62.Ne4-+) 60.Kg1 f5 (60...Bf3!? 61.Nc4 Rg2 62.Kf1-+) 61.Re6 Kg5 62.Ra6 h3 63.Nf1 (63.Ng4 fg4 64.Ra5 Kf4 65.Ra4 Kf3 66.Ra3 Ke4-+) 63...Rg2 64.Kh1 Bf3 65.Nh2 Be4 66.Nf3 (66.Re6 Kf4 67.Nf1 Rb2 68.Kg1 Bg2-+) 66...Bf3 67.Rg6 (67.Ra3 Kg4 68.Rf3 Rg1 69.Kg1 Kf3 70.Kh2-+) 67…Kf4 (67...Kf4 68.Rg2 Ke3 69.Kg1 hg2 70.Kh2 Kf2 71.Kh3 g1Q 72.Kh4 Qg3; 67...Kg6?!) 0–1. Vandenbussche,T (2060) – Campello,L (2270), 24th Open Bethune FRA, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Bd3 g6 10.Na3 a6 11.Nb5 Nf5 12.Bg5 Be7 13.Be7 Nce7 (13...Nfe7? 14.Nd6 Kf8 15.Ng5+-) 14.g4 Bd7 15.gf5 Bb5 16.fg6 fg6 17.Bb5 ab5 18.Ng5 Ra1 19.Qa1 Qc8 20.Qa5 (20.Qa3!?+=) 20...0-0-/+ 21.0-0 (21.Rg1 Nc6 22.Qa1 b4-/+) 21...Rf5 (21...h6 22.Nh3 Rf3 23.Kg2 Qc3 24.Qc3 Rc3 25.Nf4-+) 22.f4-/+ h6 23.Nh3 Kf7 24.Qb4 Rh5 25.Rf3 Qc4 26.Qc4 bc4-+ 27.Kg2 Rf5 28.Rf2-/+ Kf8 29.Rb2= g5 30.fg5+= hg5 31.Rb7 g4= 32.Ng1 Ng6 33.Ra7 Kg8 34.Ra1 Kg7 35.Kg3 Rf4 36.Ra7 Kg8 37.Ra3 Kf7 38.Ne2 Re4 39.Nc1 Ne7 40.Ra7 Re3 41.Kg4 Rc3 42.Ne2 Re3 43.Nf4 Re4 44.Kg5 Rd4?? 45.Ng6+- Ke8 46.Re7 Kd8 47.Re6 c3 48.Rc6 Rc4 49.Rc4 dc4 50.Nf4 c2 51.Ne2 Ke7 52.Kf5 (52.Kf5 Kf8 53.e6+-) 1–0. Deus Filho,Joaquim De (2020) – De Moura,Ronaldo Fabio, Cordeiropolis BRA, 3rd Open, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nc6 6.ab4 Bb4)

    9.Bd3 g6 10.h4 h5 11.Ng5 Nf5 12.Na3 a6 13.Nc2 Bh6 14.Qf3 Qc7 15.Bf5 gf5 16.Qh5 Ne5 (16...b5 17.Rh3 Bg7 18.Nh7=) 17.de5 Qe5 (better 17...Bg7!? 18.Qe2 Qc3 19.Kd1 Qe5+=) 18.Kd1+- Bg5 (18...Qf6!? 19.Qf3 Bg7+-) 19.Qg5+- Bd7 (better 19...b6+-) 20.Ba3 f6 21.Qg6 Kd8 22.Re1 Qc3 (22...Qf4 23.Qf6 Kc7+-) 23.Re3 Qc4 (23...Qa1 24.Na1 Kc7+-) 24.Qf6 Kc7 25.Rc3 (25.Rc3 b5 26.Rc4 dc4 27.Nd4+-) 1–0. Gabetto,Flaviano (2135) – Salmoiraghi,Angelo (1820), Lombardia–ch, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Bd3 Ng6 10.h4 Be7 11.h5 Nf8 12.g4 Kd7 (12...h6 13.Rg1=+) 13.Na3 (13.Ba3 h6=) 13...a6 (13...h6 14.Nb5=) 14.Nb5 (14.h6 g6=) 14...Rb8 (14...b6 15.Bg5 Bg5 16.Nd6+=) 15.Nd6 Bd6 16.ed6 Ke8 (16...f6 17.Bf4=) 17.Bf4 Qd7 (17...Nd7 18.h6 g6 19.g5+=) 18.Ne5 (18.h6 g6+=) 18...Ne5 19.de5 b5 20.Be3 Qc6 21.Bd4 Nd7 (21...h6 22.Rg1+=) 22.f3 (22.h6 g6+=) 22...f6 23.f4 fe5 24.fe5 Nc5 25.Bc2 Ne4 Attacking the backward pawn on c3 26.0-0 (26.Be4 de4 27.Rh2 Rf8=) 26...Rb7 (26...Bb7 27.Be4 de4 28.Qe2=) 27.Rf4 (27.c4!?+=) 27...Rf8 (27...Nc3 28.Qf3 Ne4 29.Rf1=) 28.Qf3 (28.Rf8 Kf8 29.c4 b4+=) 28...Rbf7 29.Rf7 Rf7 30.Qe3 Bb7 31.Rc1 (31.Rf1 Qd7=+) 31...Qd7 (31...a5 32.Bd3=) 32.Be4 (32.c4 bc4 33.Be4 de4 34.Rc4 Qd8=+) 32...de4 33.c4 (33.Qg5 Qc6 34.Be3 Qc8=) 33...Rf3 (33...Qd8 34.c5 Rf3 35.Qd2-/+) 34.Qg5 h6?? (34...e3 35.Bb6-/+ (35.Be3 Qf7 36.d7 Qd7-+)) 35.Qh4 (35.Qg6 Kf8 36.cb5 Qb5 37.Qh7 Rg3 38.Kh2=) 35...b4 (35...e3 36.cb5 Rf2 37.Rc6=) 36.Bb6 (36.c5 Bc6 37.Ra1 Qf7-/+) 36...b3 37.Rb1 Bc6 38.c5 ½–½. Tabatabai,John (2005) – White,IG (2150), WLS Ch Swansea WLS, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Bd3 Ng6 10.h4 Be7 11.h5 Nh4?? 12.Nh4+- Bh4 13.Qg4 Be7 14.Qg7 Rf8 15.Qh7 Kd7 16.h6 Qe8 17.Be2 Rh8 18.Qd3 f6 (18...Kd8 19.Nd2+-) 19.f4 (19.ef6 Bf6 20.g4 Qg8+-) 19...fe5 (19...f5 20.Ba3+-) 20.fe5 Qg8 21.g4 Bg5 (21...Kd8 22.Qd2+-) 22.h7 (22.Bg5 Qg5 23.Qd2 Qg6+-) 22...Qg7 23.Bg5 Qg5 24.Ra2 Ke7 25.Rh5 Qc1 26.Bd1 Qf4? (26...Bd7+-) 27.Rf2 Qe4 28.Qe4 de4 29.g5 Bd7 (29...e3 30.Rf6 Bd7 31.g6+-) 30.g6 Be8 31.Rf6 Bg6 32.Rg6 Kf7 (32...Raf8 33.Bb3 Nd8 34.Rg7 Rf7 35.Rf7 Nf7 36.Nd2+-) 33.Rf6 Ke7 34.Bc2 Raf8 35.Rf8 Kf8 36.Be4 Kg7 37.Bc6 (better 37.Nd2 a6+-) 37...bc6 38.Na3 Rh7 (38...Kg6 39.Rh4+-) 39.Rh7 Kh7 40.Nc4 Kg6 41.Na5 1–0. Jensen,Find (1945) – Petersen,Per F (1930), Gladsaxe, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Bd3 Ng6 10.h4 f5 11.g4 (11.h5 Nge7=) 11...Be7 (11...Nge7 12.Rg1=+) 12.gf5 (12.h5 Nh4= (worse 12...fg4 13.hg6 gf3 14.Rh7+-)) 12...ef5=+ 13.Ng5 h6 (13...Qc7 14.Be3=+) 14.Nh3?? (14.Qh5 hg5 15.Qg6 Kf8 A) 16.Bf5?? Rh6-+ (16...gh4? 17.Bc8 Rc8 18.Rg1+-); B) 16.e6=) 14...Nf8 (better 14...Nh4!? 15.Nf4 g6-/+) 15.Nf4+= g6 16.Ba3 (16.Rg1 Rg8=) 16…a6 ½–½. Vernhes,Pierre (2055) – Peric,Slavisa (2245), FRA Team Ch N2, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.h4 Bd7 10.Na3 a6 11.Bd3 h6 12.Qb3 Na5 13.Qa2 b5 14.0-0 Nc8 15.h5 Nb6 16.Bf4 Na4 17.Bd2 (17.Nb1 Be7-/+) 17...Rc8 18.Rfc1 Be7 19.Rab1 Ba3 20.Qa3 Qe7 21.Qa2 Nc4 22.Bf4 Bc6 23.Rb3 Qc7 24.Bb1 Na5 (24...a5 25.Qe2-/+) 25.Rb4 Bd7 26.Bd2 (26.Qe2 Nc4-/+ (worse 26...Nc3 27.Qe1+-)) 26...Nc4 27.Bf4 a5 28.Rb3 Rb8 29.Nd2 f5 (29...Nab6 30.Nc4 Nc4 31.Qe2-/+) 30.Qc2 (30.Nc4 Qc4 (worse 30...bc4 31.Ra3+=) 31.Qc2 0-0=+) 30...0-0-/+ 31.Qd3 Be8 32.g4 (32.Qf3!?-/+) 32...Qe7 (32...fg4 33.Qh7 Kf7 34.Bg6 Ke7 35.Qg7 Rf7 36.Bf7 Bf7 37.Bh6+- (37.Qg4? Rg8 38.Qg8 Bg8-+)) 33.Nf3 (33.Kg2 Nab2 (33...fg4?? 34.Qh7 Kf7 35.Bg6) 34.Qc2 Nd2 (34...fg4 35.Qh7 Kf7 36.Bg6) 35.Bd2 Nc4-+) 33...Na3 (33...g5 34.Be3 fg4 35.Nd2-+) 34.Ra3? (better 34.g5 Nc4 35.gh6 Bh5 36.Kg2-/+) 34...Qa3-+ 35.Nh4 (35.Ne1 A) 35...fg4?! 36.Qh7 Kf7 37.Bg6 Ke7 38.Qg7 Kd8 39.Qa7= (39.Bh6?! Bg6 40.hg6 Re8+-); B) 35...Rc8 36.Bd2 Qb2-+ (36...fg4?! 37.Qh7 Kf7 38.Bg6 Ke7 39.Qg7 Rf7 40.Qh6=)) 35...Rc8 (35...b4 36.Qa6 Nc3 37.Qe6 Kh8 38.Bd3-+) 36.Bd2 Qe7 (better 36...b4 37.gf5 Nc3 38.Rc3 A) 38...bc3?! 39.fe6 c2 A1) 40.Qa3?? cb1Q (40...cb1R?! 41.Kg2-/+) 41.Kg2 Qd1-+; A2) 40.Bc2 Qd3 41.Bd3-+; B) 38...Rc3 39.Bc3 Qc3 (39...bc3?! 40.f6 Qc1 41.Kg2 Qg5 42.Kh3 Rf6 43.Qh7 Kf8 44.ef6 Qf6 45.Bg6-/+) 40.fe6 Qd3 41.Bd3 Rf4-+) 37.gf5 (37.Qg3 f4! 38.Qh3-+) 37...Qh4 38.f6 Rf6! 39.Qh7? (39.ef6 Qg4 Double attack) 39...Kf8 (better 39...Kf7!? 40.ef6 Kf6 41.Qd3 Bh5 42.Qe3-+) 40.ef6 Qf6 41.Bg6 (41.Bd3 b4 42.cb4 Rc1 43.Bc1 ab4-+) 41...Ke7 (41...b4 42.Be8 Ke8 43.Ra1 bc3 44.Be3-+) 42.Bh6 Bg6 43.hg6 Kd6 (43...Nc3 44.Bg7 Ne2 45.Kg2 Qg5 46.Kf3 Ng1 47.Rg1 Rc3 48.Ke2 Rc2 49.Kf1 Rc1 50.Ke2 Rc2 51.Kf1 Rc1 52.Ke2 Rc2=) 44.Qg7-/+ Qg7 45.Bg7 Nc3?? (better 45...Kd7-/+) 46.Rc3!+- Rc3 47.Bf8 Kc6 48.g7 Rc1 49.Kg2 b4 50.g8Q Re1 51.Qg3 (51.Bc5 Kb5 52.Qe8 Kc4+-) 51...Kb5 52.Qb3 (52.Qd3!? Ka4+-) 52...Rc1 53.Qe3 (53.Qd3!? Rc4+-) 53...Rc6 54.Bc5 Kc4 (54...Rc5 55.dc5 e5 56.Qe5 Kc5 57.f4+-) 55.Qe2 Kc3 56.Qb5 Rc8 57.Qa5 Rb8 58.Kf3 1–0. Corbin,Ph (2175) – Jaquez,J (2220), 38th Olympiad, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    9.Bd3 Nf5

    10.0-0 Bd7 11.Na3 (11.Qb3 Na5 12.Qa2 b6=) 11...Be7=+ 12.g4 (12.Qb3 Na5 13.Qa2 Bc6=+) 12...Nh4 13.Nh4 Bh4 14.f4 (14.Nb5 Be7=+) 14...Be7-/+ 15.Qf3 Qa5 16.Bb2 Qb6 17.Rab1 a6 18.Kh1 Qc7 19.f5 0-0-0 (19...h5 20.gh5 b5 21.Rg1-/+) 20.c4 (20.Qg2!?=+) 20...Ba3-/+ 21.Ba3 Nd4 22.Qf4 (22.Qe3 dc4 23.Bd6 Bc6 24.Kg1 Rd6 25.ed6 Qd6 26.Bc4 ef5-+) 22...dc4 23.Bd6 Qc6 (23...cd3 24.Qd4 Qc2 25.Kg1-+) 24.Be4 (24.Kg1 Qd5 (24...cd3? 25.Qd4 b5 26.Rbc1+-) 25.Bc4 Qc4-+) 24...Qe4! 25.Qe4 Bc6 26.Qc6 Nc6 27.fe6 f6! (27...fe6 28.Rf7 Na5 29.Rc7 Kb8 30.Rcb7 Ka8 31.R7b6+=) 28.e7 (28.ef6 Rd6 Deflection) 28...Rd7 29.ef6 gf6 (29...Rd6?? 30.fg7 Re8 31.Rf8+-) 30.Rf6 Ne7 31.Rf7?? (better 31.Rb4-+) 31...Nc6 (31...Nd5 32.Rf8 Rf8 33.Bf8-+) 32.Rd7 Kd7 33.Bg3 b5 0–1. Guld,A – Berkes,Ferenc (2230), HUN–ch U14 Paks, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    10.0-0 h5 11.Na3 Be7 12.Nb5 a6 13.Bf5 ef5 14.Nd6 (14.Bg5 0-0 15.Be7 Qe7=) 14...Kf8 (better 14...Bd6!? 15.ed6 Qd6 16.Re1 Be6=+) 15.Qb3+= The backward pawn on b7 becomes a target 15...Kg8 16.Nb7 Qc7 (16...Qd7 17.Nc5 Bc5 18.dc5+=) 17.Nd6 (17.Nc5 Bc5 18.dc5 Be6+-) 17...Be6 (17...Bd6 18.ed6 Qd6 19.Re1=) 18.Bf4+= Kh7 (better 18...h4+=) 19.Ng5 (better 19.Qc2+-) 19...Bg5=+ 20.Bg5 Rhb8 (better 20...f6 21.Bf4 g5=+) 21.Qd1+- g6 22.Ra3 (22.Qf3 Na5+-) 22...Na5 23.c4 (better 23.Qf3+-) 23...f4? (23...Nc4 24.Rh3 f6 (24...Nd6?? 25.Rh5 Kg7 26.Bf6 Kg8 27.Rh8) 25.Bf6 Bf7+- (25...Nd6 26.Rh5 gh5 27.Qh5 Kg8 28.Qh8 Kf7 29.Qg7 Ke8 30.Qc7+-)) 24.cd5 (24.c5 Nc4 25.Nc4 dc4+-) 24...Bd5+- 25.Rh3 (25.Bf4 Nb7+-) 25...f3 26.g4 (26.Rf3!? Bf3 27.Qf3+- (27.gf3?! Qd7=)) 26...Qd7+= 27.Rh4 Qe6 (better 27...Nb7!? 28.Nb7 Rb7 29.gh5 Qf5 30.hg6 Kg6+-) 28.gh5+- Rg8?? (28...Rh8 29.Qd2 Kg8+-) 29.hg6 Kg6 30.Rh6 Kg7 31.Re6 fe6 32.Qd2 Kh7 (32...Kg6 33.Kh1 Kh5 34.Rg1 Bc4 35.Qf4 Bd5 36.Qh4 Kg6 37.Qh6) 33.h4 (33.Qc2 Rg6 34.h4 Rag8+-) 33...Nb3 (33...Nc6 34.Rc1 Rg5 35.hg5+-) 34.Qc2 Kg7 35.Qc7 (35.Qc7 Kh8 36.Kh2 Raf8 37.Rg1 Bb7 38.Bf6 Rf6 39.Rg8 Kg8 40.ef6 Nd4 41.Qg7) 1–0. Fier,A (2365) – Abdul Adhim,M (2200), 36th Olympiad, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    10.0-0 h5 11.Na3 g6 12.Nb5 Be7 (12...a6 13.Bg5 Qd7 14.Qb3=) 13.Bf5 ef5 14.Ba3 0-0 15.Qd2 Ba3 16.Ra3 Kg7 17.Qa2 a6 18.Rb1 (18.Nd6 Qc7+-) 18...Ne7 (better 18...f6!?=) 19.Nd6+- Qc7 20.Ne1 Rb8 (20...f6 21.Nd3+-) 21.Nd3+- Bd7 (21...f6 22.Nf4+-) 22.Nc5 Bc6 23.Rab3 f4 (23...a5 24.Ndb7 a4 25.Rb4+-) 24.Qd2 (24.Ndb7 Ra8+-) 24...f3 25.gf3 (worse 25.Ncb7 fg2 26.Kg2 Nc8+-) 25...Bb5 (25...a5 26.Qg5 Kh7 27.Qf4+- (27.Ncb7?! a4 28.Rb4 f6 29.ef6 Ng8+-)) 26.Qf4 1–0. Bosch,Jeroen (2305) – Claesen,Pieter (2260), EU–ch U20 Arnhem, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    10.g4 Nh4 11.Nh4 Qh4 12.0-0 (12.Na3 Be7-/+) 12...g5 (12...Be7 13.f4-/+) 13.f4 (13.Be2 h5 14.gh5 f5-/+) 13...h5 14.fg5 hg4 15.Ra2 Be7 16.Bf4 (16.Rf4 Qg5 (16...Bg5 17.Rg4 Bc1 18.Rh4 Be3 19.Kh1 Rh4 20.Qe1+-) 17.Rg2 g3=+) 16...Bd7 (16...Bg5!? 17.Rg2 f5 18.ef6 Bf6 19.Qg4 Qg4 20.Rg4 a5-/+) 17.Rg2=+ 0-0-0 (better 17...Bg5!? 18.Rg4 Bf4 19.Rh4 Rh4=) 18.Qg4+= Qg4 19.Rg4 Rh3 20.Bg3 Rg8 21.Kg2 Rhh8 22.h4 Be8 23.Rgf4 Rg7 24.Nd2 Bd8 25.Bb5 (25.Ra1 Be7+-) 25...Rhh7 (25...Ba5 26.Bc6 bc6 27.Rc1+-) 26.Nf3 (26.Ra1 a6 27.Bd3 Rh5+-) 26...a6 27.Bd3 Rh8 28.Rh1 (28.Ra1 Na7+-) 28...Rh5 (28...Na7 29.Rc1+=) 29.Nh2 (29.Ra1 Ne7+-) 29...Ne7 (29...Ba5 30.Rc1+-) 30.Ng4+- Rh8 31.Nf6 Bb5 (31...Ba4 32.Kf3+-) 32.Bb5+- ab5 33.Rb1 Ng6 34.Rg4 Ne7 (better 34...Bf6!? 35.gf6 Rgh7+-) 35.Rb5 Nf5 36.Rf4 Ne3 37.Kf3 Nc4 38.Rc5 Bc7 39.Nd5 (39.Rg4 Na3 40.Nd5 ed5 41.Rd5 Rhh7+-) 39...ed5 40.e6?? (better 40.Rd5 b6 41.Rb5+-) 40...fe6-/+ 41.h5 (41.Rg4 b6 42.Rc6 Rf7 43.Ke2 Kb7 44.Rc7 Rc7 45.Bc7 Kc7-/+) 41...Nd6 42.Kg4 b6 43.Rc7 Kc7 44.Rf6 White plans h6 (44.Rf1 Rhg8 45.g6 Kc6-+) 44...Kd7 45.Bd6 (45.g6 Ne4 46.Be5 Rc8-+ (46...Nf6?! 47.Bf6 Rg6 48.hg6-/+; 46...Nc3? 47.Rf3 Rhg8 48.Bg7 Rg7 49.Rc3+-)) 45...Kd6 46.h6 Ra7 47.Kh5 Ra1 48.Kg6 Rg8 49.Kf7 Rg5 50.Re6 Kc7 51.h7 (51.Re7 Kc6 52.Re6 Kb5 53.Re5 Rf1 54.Ke6 Re5 55.de5-+) 51...Rf1 52.Ke8 Rh5 53.Re2 (53.Re7 Kd6-+) 53…Rf6 0–1. Sequera,J (2430) – Beltran,C (1885), Campeonato Continental Absolut, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7 9.Bd3 Nf5)

    10.h4 Be7 11.g4 Nh4-/+ 12.Rh4 Bh4 13.g5 h6 14.Nh4 hg5 15.Ng2 Rh1 16.Bf1 f5 (16...f6 17.Qd3-/+) 17.Na3=+ Qa5 18.Bd2 Bd7 (18...Qa6 19.c4 dc4 20.Bc3=+) 19.Qb1 Ne7 (better 19...Nd8=+) 20.Nc4?? (better 20.Qb7 Rc8 21.Ne3=) 20...Rf1!-+ 21.Kf1 Qb5 22.Bg5 (22.Kg1 dc4 23.Qb5 Bb5 24.Bg5-+) 22...Qc4 (22...dc4?! 23.Qb5 Bb5 24.Nf4-/+) 23.Kg1 Qc3 24.Qd1 Qh3 25.Rb1 b6 (25...b5 26.Rb3 Qg4 27.Qg4 fg4 28.Rg3-+) 26.f3 (26.Rb3 Qh8 27.Nf4 Qg8 28.Be7 Ke7 29.Ng6 Kd8-+) 26...Qh5 (26...Rc8 27.f4-+) 27.Qd2 (27.Be7 Ke7 28.Kf2 g5-+) 27...Nc6 (27...Qf3 28.Be7 Ke7 29.Qg5 Kf7 30.Rc1-+) 28.f4 Kf7 (28...Qf3 29.Ne1 Qe4 30.Rd1-+) 29.Kf2 (29.Nh4 Ke8-+) 29...Rh8 (29...Qh2!? 30.Rc1-+) 30.Nh4 Rc8 31.Nf3 Na5 32.Qb2 Qh8 (32...Bb5 33.Ra1-+) 33.Rg1 (33.Ke2 Ba4 34.Qb4 Rc2 35.Kd3 Qc8-+) 33...Rc4 (33...Nc4 34.Qb3-+) 34.Nd2 (34.Qb1 Qc8-+) 34...Rc7 (34...Ra4 35.Nf3-+) 35.Qa3 Qf8 (better 35...Bb5!? 36.Qd6 Rb7 37.Nf3-+) 36.Be7 Qh8?? (better 36...Qe8 37.Bb4 Qh8-+) 37.Bg5 Bb5 38.Qg3 (38.Qd6 Rb7 39.Qb4-+) 38...Rc2 39.Ke1 Rc1 (39...Nb3 40.Bh6 Nd2 41.Qg6 Ke7 42.Qg7 Qg7 43.Rg7 (43.Bg7?? Ne4 44.Bf6 Kf8-+) 43...Ke8 44.Kd1-+) 40.Kf2 Rc2 (better 40...Rg1 41.Qg1 Qc8-+) 41.Ke1 Qh5 42.Nf3 0–1. Buecker,Stefan (2345) – Schwartzman,Gabriel (2325), Dortmund–D, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7 9.Bd3 Nf5)

    10.h4 Be7 11.Bg5!?=+.

    10.h4 Be7 11.h5 h6 12.Bf4 (12.Ba3 b6=+) 12...0-0 13.Bc2 f6 14.g4 (better 14.Qd3!? fe5 15.Ne5=+) 14...fe5-+ 15.de5 (15.Be5 Nh4 16.Rh4 Bh4=) 15...Nh4 (15...Nfd4 16.Nd4 Rf4 17.Nc6 bc6 18.Qd3 Re4 19.Kd1-/+) 16.Nh4-/+ Bh4 17.Ra4 (17.Qd2-/+) 17...b5 (better 17...d4!? 18.Qd2 b5-+) 18.Qd3=+ Rf7 (18...ba4?? 19.Qh7 Kf7 20.Bg6 Ke7 21.Qg7 Rf7 22.Qf7) 19.Qb5 Bd7 20.Qd3 Ne5 21.Be5 (21.Qh7 Kf8 22.Be5 Ba4 23.Ba4 Bf2 24.Kd1 Ke7=) 21...Bf2 22.Kd1 Ba4 23.Qh7 Kf8 24.Ba4 d4? (better 24...Ke7!?=) 25.c4 (better 25.Rf1 dc3 26.Kc2+-) 25...Ke7?? (25...Qb6 26.Rf1 Ke7 27.Rf2 Rf2 28.Qg7 Rf7 29.Bf6 Kd6 30.c5 Kc5 31.Be7 Kd5 32.Qf7 Qb1 33.Kd2 Qb2 34.Bc2 Qc3 35.Kd1 Rc8-+) 26.c5+- (26.Bg7 Qa5 27.Bc2 Rb8=+) 26...Kf8 (26...Be3 27.Bd6 Qd6 28.cd6 Kd6+-) 27.Qh8 (better 27.Bd6 Qd6 28.cd6 Rb7+-) 27...Ke7 28.Bd6 Kf6 29.Qh7 (29.Qh7 Qd6 30.Qg6 Ke5 31.cd6+-) 1–0. El Kher,Henrik – Utebekov,G, Wch U12 Szeged, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7 9.Bd3 Nf5)

    10.0-0 Be7

    11.Ba3 0-0=+.

    11.Na3 0-0 12.Nc2 f6 13.Ne3 Ne3 14.Be3 f5 15.g3 (15.Qd2 Na5 16.Rfb1 Qc7=+) 15...Na5 16.h4 (16.Bg5 Bg5 17.Ng5 Qg5 18.Ra5 b6=+) 16...Bd7 17.Kg2 (17.Bg5 Bg5 18.Ng5 Qc7-/+) 17...Rc8 (17...Qc7 18.Qc2-/+) 18.Bd2 a6 19.Rh1 (19.Qb1 Rc6-/+) 19...Nc4 20.Be1 (20.Bg5!?-/+) 20...Nb2-+ 21.Qb1 Nd3 22.Qd3 Bb5 23.Qe3 f4! 24.gf4 Qe8 25.Ng5 Qg6 26.Qh3 Bd7 (26...Rf5 27.h5 Qh6 28.Bd2-+) 27.h5 Qf5 (27...Qc2 28.Qg3-+) 28.Qg3 (28.Qf5!? Rf5 29.Kg3-/+) 28...Qf4-+ 29.Qf4 Rf4 30.Nf3 h6 31.Rh3 (31.Rb1 b5-+) 31...Rf5 32.Bd2 Be8 33.Rah1 a5 34.Rg3 (34.Ng1 a4-+) 34...Kh7 (34...Bh5 35.Nh4 Bh4 36.Rh4-+) 35.Rgh3 a4 36.Ra1 (36.Ng1 Bg5 37.f4 Bf4 38.Bf4 Rf4-+) 36...a3 37.Ra2 (37.Ne1 Ra8-+) 37...Rh5 38.Rh5 Bh5 39.Ne1 Bg6 40.Ra1 Ra8 41.Kf3 a2 42.Ke3 Bb1 43.Nd3 Ba3 44.Bc1 Bd3 45.Ba3 Bb1 (45...Ra3 46.Kd3 h5 47.Kc2-+) 46.Bb2 (46.Bc1 g5-+) 46...g5 47.f4 (47.Bc1 h5-+) 47...gf4 (better 47...g4!? 48.Kf2-+) 48.Kf4 Rg8 (better 48...Kg6-+) 49.c4 (49.Ba3-+) 49...dc4 50.d5 ed5 (50...Rg2 51.Bd4 ed5 52.Kf3-+) 51.e6 Re8 (51...Rg2!? 52.e7 Re2 53.Be5-+) 52.Ke5 Kg6 53.Kd6 (53.Kd5 h5 54.Bd4 h4 55.Kc4 Re6-+) 53...Kf5 54.e7 Kg6 55.Kd7 (55.Kd5 b5 56.Kc5 Re7-+) 55...Kf7 56.Ba3 (56.Kd6 b5 57.Kd5 Re7-+) 56…d4 0-1. Abrashkin,B (2405) - Osmak,Iulija (2425), Titled Tuesday, 2021.

    11.Na3 0-0 12.Nc2 f6 13.ef6 Rf6 14.Ne3 Bd6 (better 14...Ne3!? 15.Be3 Qc7=+) 15.Nf5+- ef5 16.Bg5 Qf8 (16...Be6 17.Re1 h6 18.Bf6 Qf6 19.Bb5+-) 17.Bf6 Qf6 18.Qb3 Ne7 19.c4 b6 20.cd5 Bb7 21.Ba6 (21.Rfe1 Bd5 22.Bc4 Bc4 23.Qc4 Qf7+-) 21...Bd5 22.Bc4 Qf7 23.Bd5 Qd5 24.Rfb1 Qb3 25.Rb3 Rc8 26.g3 Rc7 27.Rb5 g6 28.Ne5 f4 (28...Be5 29.de5 Kf7 30.f4+=) 29.gf4+- Nf5 30.Rd1 (30.Ra4 Be7+-) 30...Bf8 (30...Rc2 31.Rb3+-) 31.Ng4 (31.Rb2 Bh6+=) 31...Nd6 32.Re5 Kg7 33.Ne3 b5 34.Rc5 Rb7 35.Rdc1 Ne8 (35...Rf7 36.Ra1+=) 36.Rc8+- Kf7 37.Ra8 (37.Ng4 Nd6 38.R8c7 Rc7 39.Rc7 Ke6 40.Ra7 Nf5 41.Rh7 Nd4+-) 37...Nd6 (better 37...Nc7 38.Rd8 Ne6=) 38.Ra1+- b4 (38...Bg7 39.Nc2 b4 40.R1a7+-) 39.R8a7 Ra7 40.Ra7 Ke8 (40...Kg8 41.Nd5 Bg7 42.Nb4 Bd4 43.Rd7+-) 41.Ra8 Kf7 42.Rb8 Ne4 43.Nc2 (43.Rb7 Kf6+-) 43...Bd6 (43...Nc3 44.Nb4 Ne2 45.Kg2 Nd4 46.Nd3+-) 44.Rb7 Ke6 45.Nb4 Bf4 (45...Nf6 46.Rb5+-) 46.Rh7 Ng5 47.Ra7 (better 47.d5!? Kf6 48.Ra7 Nf3 49.Kg2 Nh4 50.Kh3 Nf5+-) 47...Nf3 48.Kg2 Nd4 49.Ra6 Kf5 50.Nd5 Bg5 (50...g5 51.h4! Ne6 52.Re6 Ke6 53.Nf4 Kf6 54.h5 gf4 55.Kf3+-) 51.Ne3 Ke4 (51...Be3 52.fe3 Ne6 53.e4 Ke5 54.Re6 Ke6 55.Kg3+-) 52.Rg6 Be3 53.fe3 Ke3 54.h4 Kf4 55.h5 Kf5 (55...Nf5 56.Kf2+-) 56.Rd6 (better 56.Rg8 Ne6 57.h6 Nf4 58.Kf3+-) 56...Ne6 57.h6 Nf4 (57...Nf8 58.Rd8 Nh7 59.Rg8+-) 58.Kh1 (58.Kh1 Ng6 59.h7+-) 1–0. Schmitz,Andreas (2270) – Tueckmantel,Rene (1935), Porz op29, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    11.Qc2 Bd7 (11...b6 12.Ba3=) 12.Nbd2 Rc8 (better 12...0-0=) 13.Rb1?? (better 13.Bf5 ef5 14.Qb3=) 13...Ncd4! 14.Nd4 (14.cd4 Rc2 Pinning (14...Rc2 Deflection; 14...Rc2 Clearance); 14.Nd4 Nd4 Combination) 14...Nd4-+ 15.Qb2 Nc6 16.Nf3 (16.c4 Nb4 17.Be2 0-0-+) 16...Qc7 17.Qb7 (17.Re1 b6-+) 17...Ne5 18.Ne5 Qe5 19.Qa7 Qc7 (19...Bd6 20.g3 Qc3-+ (20...Rc3? 21.Bf4 Rc7 22.Rb8 Ke7 23.Be5 Ra7 24.Bd6 Kd6 25.Rh8+-)) 20.Rb7 Qd8 21.Be3 Bc6 (worse 21...Rc3 22.Bb6 Ra3 A) 23.Bd8?! Ra7 24.Ra7 Bd8+= (24...Kd8? 25.Ra8 Bc8 26.Rc1+-); B) 23.Rd7 Ra7 24.Rd8 (worse 24.Bd8 Kd7 25.Bb6 Ra3 26.Bb5 Kd6-+) 24...Bd8 25.Ba7+-) 22.Rfb1 (better 22.Bb6!? Bc5 23.Bd8 Ba7 24.Ra7 Rd8 25.Rc7=+) 22...Bb7-+ 23.Rb7 0-0?? (23...Kf8 24.Rd7 Qe8=) 24.Re7 (better 24.Rd7!? Bc5 25.Bc5 (worse 25.Rd8 Ba7 26.Rc8 Rc8 27.Ba7 Rc3-/+) 25...Qd7 26.Qd7 Rc5 27.Kf1 Rc3 28.Ke2+=) 24...Rc3= 25.Bb1? (25.Bf1 Qd6=) 25...Rb3?? (better 25...Qc8!? 26.h3 Rc1 27.Bc1 Qc1 28.Kh2 Qb1-+) 26.Rb7 (better 26.Bc2!? Rb2 27.Bd3=) 26...Rb7-/+ 27.Qb7 Qa5 (27...Qb8 28.Qb8 Rb8 29.Bd3-+) 28.h3 Qa1 29.Kh2 (29.Qb4!?=+) 29...Qe5-/+ 30.g3 d4 31.Bf4 Qe2 32.Kg2 e5 33.Bg5 d3 34.Qf3? (better 34.Be7 d2 35.Bc2=) 34...e4 35.Qe2 de2 36.Bd2 Rd8 37.Ba5 (37.Bc3 Rc8 38.Bd2 f5 39.Ba2 Kh8-+) 37...Rd5 (37...Ra8 38.Bd2 f5 39.Bc2-+) 38.Bc3 Rc5 39.Bd2 f5 40.f3 (40.Ba2 Kh8 41.Be6 Rc2-+) 40...Rc1!! 41.Ba2 (41.Bc1 e1N Deflection) 41...Kh8 42.fe4 Rc2 (42...fe4 43.Kf2 e1Q 44.Be1 Rc2 45.Ke3 Ra2 46.Bb4-+) 43.Be1 Ra2 44.ef5 Kg8 45.g4 Kf7 (45...h5 46.g5-+) 46.g5 (46.Kf2 g6 47.fg6 hg6-+) 46...Rb2 (46...h6 47.h4-+) 47.Kf3 (47.Kf2 Rb5 48.Ke2 Re5 49.Kd2 Rf5-+) 47...Rb5 (47...h6 48.gh6 gh6 49.Kf2-+) 48.g6? (better 48.Ke2 Re5 49.Kd2 Rf5 50.h4-+) 48...hg6 49.fg6 Kg6 50.Ke2 Rb3 51.h4 Kh5 52.Bf2 (52.Kd2-+) 52...Rb2 53.Kf3 Rf2! 54.Kf2 0–1. Ansel,Andrew – Dzindzichashvili,Roman (2540), Manhattan CC, 1989. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    11.Re1 0-0 12.Ba3 (12.Qc2 h6=+) 12...Ba3 (12...b6 13.Qc2=+) 13.Na3= f6 (13...Bd7 14.Qb1=) 14.Bf5 (14.Qe2 fe5 15.Ne5 Qg5=) 14...ef5 15.Nb5 (15.Qb3 a6=) 15...Be6=+ 16.Qe2 a6 17.Nd6 Qd7 18.c4 (18.Ra2 f4=+) 18...dc4-/+ 19.Rad1 Bd5 20.Nh4 (20.Nc4 Qe6 21.Nb6 Bf3 22.Qf3 Nd4 23.Rd4 Qb6-/+) 20...g6 (20...Qe6 21.Nhf5 b5 22.f4-/+) 21.Nc4=+ Rad8 (21...Qe6 22.Nd6=+) 22.Nb6 (22.Nd6!?=+) 22...Qe6-/+ 23.Qb2 (23.Nd5 Rd5 24.Nf3 Rfd8-/+) 23...fe5 24.de5 Bb3 25.Rd8 (25.Rd7 Na5 26.Qd4 Rd7 27.Nd7 Rd8 28.Nf6 Qf6-/+) 25...Rd8-+ (25...Nd8?! 26.Re3 Bd5 27.Nd5 Qd5 28.Nf3=+) 26.Nf3 h6 (26...Rd1 27.Rd1 Bd1 28.Ng5 Qe5 29.Qa2 Kg7 30.Qf7 Kh6 31.Qh7 Kg5 32.h4 Kf6 33.Nd7 Ke6 34.Ne5 Ne5 35.Qg8 Kd6 36.f4+-) 27.h4 (27.Qc1!? Nd4 28.Nd4 Rd4 29.Na8-/+) 27...Rd1 28.Qe2 (28.Kf1 Re1 29.Ke1 Ne5 30.Ne5 Qb6 31.Ng6 Qb4 32.Qd2 Qe4 33.Qe2 Qb1 (worse 33...Qg2 34.Ne7 Kh7 35.Nf5-/+) 34.Kd2 Qc2 35.Ke3 Qe4 36.Kd2 Qd4 37.Kc1 Bf7-+) 28...Nd4 29.Nd4 Rd4 30.Na8 Re4 31.Qd2 Re1 (31...Qe5!? 32.Re4 Qe4 33.Qh6-+) 32.Qe1-/+ Qd5 (32...Kf7 33.Qe3 Ba2 34.g3-/+) 33.Qe3 Kg7 (33...Qd1 34.Kh2 Bf7 35.Qb6-/+) 34.Nb6 (34.Qb6 a5-/+) 34...Qe6 (34...Qd1 35.Kh2-/+) 35.f4 a5 36.Qc5 a4 (36...Qc6 37.Qd4 Kf7 38.Kh2-+) 37.Kh2 (better 37.Qc7!? Qf7 38.Qd6-/+) 37…a3!-+ 0–1. Surtees,Mike J (2180) – Edwards,L Alan (2085), Leicester Chess Congress (Atkins Memori, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.d4 Nge7)

    11.Re1 b6 12.Nbd2=+.

    8.d4 Nh6

    9.Bd3 Nf5 10.0-0 Bd7 11.Na3 (11.Qb3 Nh4 12.Nh4 Qh4 13.Qb7 Rb8=) 11...Be7=+ 12.Nc2 0-0 13.g4 (13.Ba3 b6=+) 13...Nh6 (13...Nh4 14.Nh4 Bh4 15.f4-/+) 14.h3 Kh8 15.Kh1 (15.Bh6 gh6 16.Qd2 Kg7=+) 15...f5 (15...Ng8 16.Ba3-/+) 16.Rg1 (16.Bh6 gh6 17.gf5 ef5=) 16...fg4 17.hg4 (17.Bh6 gh6 (17...Rf3 18.Bg7 Kg8 19.Rg4 Rh3 20.Kg2+-) 18.Rg4 Qc7=+) 17...Qe8 (17...Nf7 18.g5 Kg8 19.g6 hg6 20.Rg6=) 18.Be3 (18.Bh6 gh6 19.Nce1 Rf4=+) 18...b6 (18...Nf7 19.Kg2 Qd8 20.g5-/+) 19.Nce1 (19.Bh6 gh6 20.Rg3 Qf7=+) 19...Qf7 (19...Nf7 20.g5-/+) 20.Rb1 (20.Rg2 Ng8=+) 20...Rg8 (20...Ng8!?=+) 21.Rg2 g5 (21...Raf8 22.Ng5 Bg5 23.Bg5=) 22.Rh2 (22.Qd2 Qg7 23.Rh2 Ng4 24.Rh7 Qh7 25.Bh7 Kh7 26.Bg5 Nf2 27.Qf2 Bg5 28.Ng5 Rg5 29.Qh4 Kg6+-) 22...Ng4 23.Rh7 Qh7 24.Bh7 Kh7 25.Kg2 (25.Qc2 Kh8=) 25...Be8 (25...Ne3 26.fe3 Be8 27.Nd2=) 26.Nh2 (26.Bd2 Nh6=) 26...Nh6 (26...Ne3!? 27.fe3 Bg6=+) 27.Ng4= Nf5 28.Nf3 Bh5 29.Qa4 (29.Qh1 Nh4 30.Kg3 Raf8=+) 29...Rac8 (29...b5 30.Qa6 Bg4 31.Qc6 Ne3 32.fe3=) 30.Rh1= Kg6 31.Nf6? (better 31.Nfh2!?=+) 31...Bf3 32.Kf3 Bf6 33.ef6 Kf6 34.Rh7 Rg7 (better 34...g4 35.Ke2 g3 36.fg3 Rg3-+) 35.Rg7= Ng7 36.Kg4 Nf5 37.Bg5 Kf7 38.Qd1 (38.Qa6 Rg8=) 38...Rh8 (38...b5 39.Qe2 a6 40.Qb2=+) 39.Qa4= Rc8 40.Qa6 Rc7 (40...Rb8 41.Bf4 Rg8 42.Kf3=) 41.Bf4+= Re7 42.Qc8 Na5 43.Bg5 Rb7 44.Qd8 (44.c4 Ne7 45.Be7 Ke7+-) 44...Ng7+= 45.Bh6 (45.Qf6 Kg8+=) 45...Ne8 (45...Nc4 46.Qg5 Nf5 47.Qh5 Ke7 48.Bg5 Kd7 49.Qf7 Kc6 50.Qe6 Nfd6 51.Be7+=) 46.Qh4 (46.Qg5 Nc4 47.Qh5 Ke7 48.Bg5 Kf8+-) 46...Nf6= 47.Kf4 Ne4 (47...Nc6 48.Bg5 Ne7 49.Kf3=) 48.f3 Nc3 49.Qh5 (49.Bg5 Kg8+-) 49...Ke7 50.Bg5 Kd6 51.Qe8 Nc4 52.Bf6 (52.Kg4 e5 53.Kf5+-) 52...Rd7 53.Be5 Ne5 54.de5 Kc7 55.Qe6 d4 (55...a5 56.Qe8 d4 57.e6+-) 56.Qc4 Kd8 57.Qg8 Kc7 58.e6 Rd8 (58...Nd5 59.Ke5 Ne7 60.Qg3 Nc6 61.Kf5 Rd6 62.Qg7 Kc8 63.Qf8 Rd8 64.e7 Ne7 65.Qe7+-) 59.Qf7 Kd6? (59...Kc6 60.e7 Nd5 61.Ke4 Ne7 62.Qe7 Rd7+-) 60.e7 (60.Qa7?! Ke6 61.Qb6 Rd6 62.Qb3 Ke7+=) 60...Nd5 61.Qd5!! Ke7 (61...Kd5) 62.Qe4 Kf7 (62...Kd7 63.Qd4 Kc7 64.Qc4 Kd6 65.Qb4 Kc7 66.Qc3 Kb7 67.Qg7 Ka6+-) 63.Kf5 (63.Kf5 Rd6 64.Qb7 Kf8 65.Ke5+-) 1–0. Hamed,Ahmed (2325) – Martin,Benjamin (2310), Novi Sad ol (Men), 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    9.Bd3 Nf5 10.0-0 Be7 11.g4 Nh4 12.Nh4 Bh4 13.f4 Be7 14.f5 h5! 15.gh5 ef5 16.Bf5 Bf5 17.Rf5 Qd7 18.Qf3 g6 (18...Qe6!?-/+) 19.Rf7=+ gh5 (19...Ne5 20.Re7 Qe7 21.de5 Qe5 22.h6=) 20.Ra2 (20.Kh1=) 20...0-0-0 (20...h4 21.Rg2 Qe6 22.Rfg7+=) 21.Rg2 (21.Ba3 Rhg8 22.Kh1 Rdf8+=) 21...Rdf8 22.Rgg7 Qe6 23.Na3 (23.Rf8 Bf8 24.Qf7 Qf7 25.Rf7 Be7=) 23...Rhg8 (23...Rfg8 24.Qg2 Qf7 25.Rf7 Rg2 26.Kg2=) 24.Rg8 (24.Rf8 Rf8 25.Qh5 Rg8 26.Rg8 Qg8 27.Kh1 Qe6+=) 24…Rg8=+ (24...Rg8 25.Kf2 h4=) 0-1. Sharikov,Al (2200) - Shahinyan,D (2450), PNWCC Blitz French Def, 2020.

    9.Bd3 Nf5 10.h4 Be7 11.Na3 Bd7 (11...Qa5 12.Bd2=+) 12.h5 a6 13.Nc2 Qc7 (13...h6 14.Ba3=+) 14.0-0 (14.g4!? Nh6 15.Bh6 gh6 16.Ne3=+) 14...Na5 15.Nfe1 (15.Bf5 ef5 16.Nb4 Bb4 17.cb4 Nc4=+) 15...Nb3-/+ (15...Qc3? 16.Bd2 Qb3 17.Ba5+-) 16.Rb1 Qc3 17.Bf5 Nc1 18.Qc1 (18.Rc1!? ef5 19.Ne3-/+) 18...ef5-+ 19.Rb7 (19.Qe3 Qc4 20.Qd2 b5-+) 19...Bc6 (19...Bb5!? 20.Rb5 ab5 21.Qf4-+) 20.Re7 Ke7 21.Qg5 Kf8 22.h6 Rg8 23.Ne3 g6 (23...Qd4 24.Nf5 Qa7 25.hg7 Ke8 26.Nf3+-) 24.Nf3 Qa3 (better 24...Rc8!?=+) 25.Qf6+= Rc8 26.Ng5 Qe7 27.Nh7 Ke8 28.Rc1 Kd7 29.Qe7 Ke7 30.Nf6 Attacks the isolani on d5 30...f4?? (30...Rh8 31.Ned5 Bd5 32.Rc8 Rc8+=) 31.h7 (better 31.Rc6!? fe3 32.Ng8 Rg8 33.fe3 Rh8+-) 31...Rh8 32.Ned5 Ke6 (better 32...Kd8 33.e6 fe6 34.Nf4 Ke7 35.Ng6 Kf6 36.Nh8 Rh8 37.Rc6 Rh7 38.Ra6 Rd7+-) 33.Nb6 Rc7 34.f3 (34.Rc5!? a5 35.Nc4 a4+-) 34...a5 35.g3! fg3 36.f4 a4? (36...Kf5 37.d5 Kf4 38.dc6 (38.Rc6 Rc6 39.dc6 Ke5-/+) 38...Ke5 39.Ne8+-) 37.Rc3 (better 37.d5 Kf5 38.dc6+- (38.Rc6? Rc6 39.dc6 a3-+)) 37...a3 (37...Kf5 38.Nbd5 Bd5 39.Rc7+=) 38.Ra3 Bb7 39.d5 (39.Rg3 Kf5+-) 39...Kf5 40.Rg3 (better 40.Ra4!?+-) 40...Kf4=+ 41.Kh2 (41.Rb3 Ke5 42.Nbd7 Kf4=+) 41...Rc2-/+ 42.Kh3 (42.Rg2 Rg2 43.Kg2 Ke5 44.Nfd7 Kd6 45.Nf6-+) 42...Ba6 (42...Ke5?! 43.Rf3=+) 43.Rg1 (43.Rg4!? Ke5 44.Nbd7 Kd6 45.Nb6-+) 43...Bd3 44.Rg4 Ke5 45.Nbd7 Kd6 0–1. Brustkern,J (2240) – Meinhardt,Ma (2375), Bundesliga, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    9.h4 Bd7 10.Bd3 (10.Bh6 gh6 11.Nbd2 Qc7=) 10...f5 (10...Nf5 11.Qb3=+) 11.Bh6 (11.ef6 gf6 12.Bh6 Bh6=+) 11...gh6 12.Ng5?? (better 12.Rg1=) 12...hg5-+ 13.Qh5 Ke7 14.Qg5 (14.g4 Qc8-+) 14...Kf7 15.Qh5 Kg8 (15...Kg7 16.Nd2-+) 16.Rh3 Be8 17.Rg3 (17.Qf3 Qb6-+) 17...Bg7 18.Qf3 (18.Qh6 Bg6 19.Qf4 Kf8-+) 18...Qh4 19.Bf5 (19.Qd1-+) 19...ef5 20.Nd2 (20.Qd5 Bf7 21.Qd7 Qe4 22.Kf1 Rd8-+) 20...Ne7 21.Rb1 b6 22.Qd3 f4 23.Rh3 Qg4 24.Qf1 (24.Qf3 Bd7 25.Rh1 Kf7-+) 24...Rc8 (24...Bg6 25.Rc1-+) 25.Qh1 (25.Ra1 a5-+) 25...Bg6 (25...Bd7 26.Rf3-+) 26.Rh4 (26.Ra1 a5-+) 26...Qf5 27.Qh2 (27.Rc1 Be5! 28.de5 Qe5 29.Kf1 Rc3 30.Rc3 Qc3-+) 27...Be5! 28.Ra1 (28.de5 Qe5 Double attack) 28...Bb8 29.Nf3 Kg7 30.Qh3 (30.Rh3 Rc3 31.Kf1 Rhc8-+) 30...Qh3 (30...Rc3 31.Qg4-+) 31.gh3 (31.Rh3 Rc3 32.Ne5 Rh3 33.gh3 Be5 34.de5 Nc6-+) 31...h5 (31...Nf5 32.Kd2 Nh4 33.Nh4-+) 32.Kd2 (32.Ne5 Rc3 33.Rf4 Rh3-+) 32...Nf5 33.Rg1 Kf6 34.Ne5 Nh4 35.Nd7 Ke7 36.Nb8 Nf3 37.Ke2 Ng1 38.Kf1 Rc3 39.Kg2 (39.f3 Rc1 40.Kf2 Rhc8 41.Nc6 R8c6 42.Kg2 R6c2 43.Kh1 Nf3) 39...Rb8 (39...Be4 40.f3 Rg8 41.Kf2 Nh3 42.Ke1 Rg1 43.Kd2 Rc2) 40.Kf1 (40.h4 Be4 41.f3 Rg8 42.Kf1 Rc1 43.Kf2 Nh3 44.Ke2 Rg2) 40...Be4 41.f3 Rf3 (41...Rc1 42.Kf2 Rbc8 43.Kg2 Bf3 44.Kf2 R8c2) 42.Kg2 (42.Ke1 Re3 43.Kd1 Nf3 44.Kc1 Rc8 45.Kb2 Rc2 46.Ka1 Re1) 42...Rg8 43.Kh2 Rh3 0–1. Strekalovski,V (1935) – Mikheev,S (2295), ch–Chess Disabled, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

    9.h4 Nf5 10.Bd3=+.

    9.Bh6 gh6 10.Nbd2 Rg8=.

    6.ab4 Nb4

    7.Ba3 Bd7 8.h4 (8.c3 Nc6=+) 8...Qc7 (8...Nh6 9.c3 Nc6 10.Bf8 Kf8 11.d4-/+) 9.c3 (9.Nc3 a5=+) 9...Nc6-/+ 10.Bf8 Kf8 11.d4 Na5 (11...f6 12.ef6 Nf6 13.Bb5-/+) 12.Rh3 (12.Bd3 Ne7=) 12...Ne7 (12...Nh6 13.Bd3=+) 13.h5 h6 (13...Nf5 14.Qc2=+) 14.Bd3 Nf5 (14...Nc4 15.Qc2=+) 15.g4 Ne7 16.Nh4 (16.Qc2 Rc8=+) 16...Nc4-/+ 17.Ra2 a5 18.f4 (18.Rf3 Kg8=+) 18...Ra6 (18...Bb5 19.Kf2-/+) 19.Rg3 White plans g5 (19.Na3 b5-/+) 19...b5 (19...Bb5 20.Nd2-/+) 20.Qf3 (20.Kf2 Kg8-/+) 20...Ke8 (20...a4 21.f5 ef5 22.gf5=) 21.g5 (21.Nd2 a4-/+) 21...Kd8 (21...hg5 22.fg5 Qb7=+) 22.gh6=+ gh6 23.Rg7 Be8 (23...Rf8 24.Rh7=+) 24.Kd1 (24.Nd2=+) 24...Ra7 (24...b4!? 25.f5 b3=+) 25.f5= b4 (25...Rg8 26.f6 Rg7 27.fg7=) 26.f6 b3? (26...Nc6 27.Ng6 bc3 28.Bc4 Qb6 29.Nc3 A) worse 29...fg6 30.f7 Bf7 31.Qf6 Kc8 32.hg6 Qd4 33.Rd2 Qe5 34.Nd5 Qf6 35.Nf6 Bg6 36.Be6 Kb8 37.Rg6+-; B) 29...Nd4? 30.Qf2 dc4 31.Rb2+- (31.Nh8?! Qb3 32.Rc2 Nc2 33.Qc2 a4=); C) 29...Qd4 30.Rd2 Qc4 31.Nh8 Rb7+-) 27.fe7+- Qe7 28.Rh2 Qf8?? (better 28...Nb2 29.Rb2 Qh4 30.Rb3 Ba4+-) 29.Qf6+- Kc8 30.Bc4 dc4 31.Ng6! fg6 32.Ra7 (32.Ra7 Qf6 33.ef6 gh5 34.f7+-) 1–0. Nadanian,Ashot (2345) – Edzgveradze,Natalia (2305), Tbilisi op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    7.Ba3 Be7 8.c3 Nc6 9.d4 Nh6 10.Bd3 Nf5 11.0-0 h5 (11...0-0 12.Be7 Qe7 13.Nbd2=) 12.Be7= Qe7 13.Na3 0-0 14.Nb5 a6 15.Bf5 ef5 16.Nd6 Be6 17.c4 (better 17.Ne1!?=) 17...dc4-/+ 18.h4 (18.Qd2 f6-/+) 18...g6 (18...Rfd8 19.Qd2-+) 19.Qd2 (19.Rb1 b5-+) 19...Bd5-+ 20.Qf4 Nd8 (20...Bf3!? 21.gf3 b5 22.Kh2-+) 21.Qg3-/+ f4! 22.Qf4 Ne6 23.Qg3 Bf3 24.Qf3 Nd4 25.Qb7?? (better 25.Qe4 Nb3 26.Ra2-+) 25…Ne2 (25...Ne2 26.Kh2 Qh4) 0–1. Kozusek,Daniel (2065) – Szucs,Matyas (1945), Open Hradec Kralove, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4)

    7.Ba3 Be7 8.c4 dc4?? (better 8...a5=+) 9.Bb4+- Bb4 10.Qa4 Bd7 11.Qb4 b5 12.Ra6 (12.d3 a5 13.Qb2 cd3 14.Bd3 b4+-) 12...Ne7 13.Nc3 Nc6 (13...0-0 14.Be2+-) 14.Qd6 (14.Qb1!? Rb8 15.Nb5+-) 14...Nb8+- 15.Ra1 a5 16.Nd4 Ra6 17.Qc5 b4? (better 17...Qe7 18.Qe7 Ke7 19.Ncb5 Bb5 20.Nb5 Nc6+-) 18.Ne4 (18.Bc4?! bc3 19.Ba6 cd2 20.Kd2 Na6 21.Qa5 Qg5 22.Kd3 Nb8+-) 18...Qc8 (18...Qb6 19.Nd6 Kf8 20.Qc4+-) 19.Bc4 (better 19.Nd6 Rd6 20.Qd6+-) 19...Qc5 20.Nc5 Ra7 (20...Ra8 21.0-0+-) 21.Nd7 (21.Bb5 Ra8 22.Nd7 Nd7+-) 21...Nd7 (21...Kd7 22.Nb3 Rc8 23.Bb5 (23.Ra5?! Ra5 24.Na5 Rc5=) 23...Ke7 24.Ke2+- (24.Ra5? Ra5 25.Na5 Rc1 26.Ke2 Rh1-+)) 22.Nb5 (22.Nc6 Rc7 23.Bb5 0-0+-) 22...Rb7?? (22...Ra8 23.Nc7 Ke7 24.Na8 Ra8+-) 23.Nd6 (23.Nd6 Ke7 24.Nb7 Ne5 25.Na5+-) 1–0. Suptut,Jeff – Egan,William, Belconnen Club–ch, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4)

    7.Ba3 Be7 8.Be2=+.

    7.c3 Nc6

    8.Ba3 Be7 9.d4 Bd7 (9...Nh6 10.Bd3=+) 10.Bd3= a6 11.0-0 Ba3 12.Na3 (12.Ra3 Nge7=) 12...Nge7 13.Nc2 Ng6 14.Qd2 Rc8 15.Rfb1 Qc7 (15...Rc7 16.Ne3=) 16.Ne3+= Nce7 17.Rc1 0-0 18.Ng4 (18.c4 dc4 19.Nc4 Bc6=) 18...Nf5 19.g3 (19.c4 dc4 20.Rc4 Qb8=+) 19...h5 (19...Bb5 20.Bb5 ab5 21.h4=+) 20.Ne3= Ne3 (20...Nge7 21.Nf5 Nf5 22.Qg5+=) 21.Qe3 Qd8 (21...Bb5 22.Bb5 ab5 23.Qg5+=) 22.h4+= Re8 23.Ng5 Nf8 24.Qf3 f6 25.Nh3 Qe7 (25...fe5 26.de5 Re7 27.Qh5+=) 26.Qh5 Qf7 (26...fe5 27.Qe5 Qf6 28.f4+-) 27.Qe2 Rc7 28.Nf4 Rec8 (28...f5+-) 29.Rcb1 (29.ef6 Qf6 30.Ra3 Be8+-) 29...Be8 (29...fe5!? 30.Qe5 Be8+=) 30.ef6 Qf6 31.Rb6 (31.Qe3 Kh8+-) 31...Bc6? (better 31...Rc3!? 32.Qd2 g6+=) 32.Re1 (32.Qg4 Bd7 33.Qd1 Bc6+-) 32...Re8 (32...a5 33.Qa2 (33.Ne6? Re7-+) 33...a4 34.Re5+-) 33.Qh5 (33.Qg4 Qh6+-) 33...Rec8 (33...Qh6 34.Qd1+-) 34.Re3 (34.Ng6 Ng6 35.Bg6 Rd8+-) 34...a5 (34...Be8 35.Qg4 Rf7+-) 35.Rf3 (better 35.Ng6 Ng6 36.Bg6+- (36.Qg6?! Qg6 37.Bg6 Bd7=)) 35...Qh6+- 36.Qg4 a4 37.Re3 a3 38.Bb1 (38.Qe2 Ra8 39.Qa2 g5 40.hg5 Qg5+-) 38...Bd7 39.Ba2 Increases the pressure on the backward pawn (better 39.Qf3!?+-) 39...e5?? (better 39...Rc3 40.Nd5 Re3 41.Ne3 Rc1 42.Kg2 Ra1=+) 40.Bd5+- (40.Bd5 Ne6 41.Re5+-; 40.Rh6?! Bg4 41.Nd5 gh6 42.Nc7 Kh8+-) 1–0. Vitor,Antonio (2170) – Wagener,Claude, Wch U18, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4 7.c3 Nc6)

    8.d4 Bd7 9.Bd3 Nge7 10.Na3 a6 11.0-0 Na7 12.Ng5 (12.Re1 Qc7=) 12...Nf5 13.Bf5 ef5 14.Re1 Be6 15.Qe2 Be7 16.Be3?? (better 16.Qh5 Qc8 17.Ne6 Qe6 18.Qf3=+) 16...Bg5-+ 17.c4 (17.Bg5 Qg5 18.Reb1 Rb8-+) 17...0-0 (17...f4 18.Bc1-+) 18.cd5 (18.Bg5 Qg5 19.c5 Nc6-+) 18...Bd5 19.Nc4 (19.Qd2 Be7-+) 19...Be7 (19...f4 20.Bc1-+) 20.Bf4 (20.Nd2 Nb5-+) 20...Nb5 21.Qd3 (21.Be3 Bb4 22.Rec1 Bc3-+) 21...Bc4 22.Qc4 Qd4 (22...Qd4 23.Rac1 Qc4 24.Rc4 Rfc8 25.Rc8 Rc8-+) 0–1. Sineux,Sandra – Ferre,Sebastien, 7th St Quentin Open, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4 7.c3 Nc6)

    8.d4 Bd7 9.Bd3 h6 10.Qe2 Rc8 11.0-0 a6 12.Ba3 Ba3 13.Ra3 Na7 14.c4 dc4 15.Bc4 Bb5 16.Nbd2 Ne7 17.Rb1 0-0 18.h4 (18.Raa1 Nd5 19.Rc1 Bc4 20.Rc4 Nc6-/+) 18...Nd5 19.Rb5 (better is 19.Rab3!?-/+) 19...Nb5-+ 20.Rb3 Nbc3 21.Rc3 (21.Qf1 b5 22.Bd3-+) 21...Nc3 22.Qe3 Nd5 23.Qe4 f5 24.ef6 Qf6 25.Bd5 Rc1 26.Kh2 ed5 27.Qd5 Qf7 28.Qa5 Qc7 29.Qc7 Rc7 30.Ne4 b5 31.d5 Rd8 32.d6 Rc4 (32...Rc4 33.Nfd2 Re4 34.Ne4 b4-+) 0–1. Remolar Gallen,Jose (2085) – Lapicki,Raul (2235), Benidorm ESP, 2011. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 d5)

    8.d4 Bd7 9.Bd3 h6 10.g4 a6 11.h4 Na5 12.h5 Qc7 13.g5 hg5 14.Bg5 (14.Ng5!? Nh6 15.Nh7=) 14...Nh6 15.Nh4 Bb5 (15...Nc4 16.Qf3 Bb5 17.Rg1-/+) 16.Bc2 (16.Bb5!? ab5 17.Qe2-/+) 16...Nc4-+ 17.Rh3 Be7 18.f4 0-0-0 (18...b6!?-/+) 19.Nd2+= Kb8 20.Be7 Qe7 21.Nb3 (21.Nc4 Bc4 22.Nf3 Rc8+=) 21...b6 22.Ra2 Qc7 23.Kf2 (23.Qf3!?+=) 23...f5 24.Ng6 Ng4 25.Kg1 Rh6 26.Bd3 (better is 26.Qb1!?-/+) 26...Be8-+ 27.Nf8 Bf7 28.Ra6 Rf8 (28...Qb7 29.Qa1 Rf8 30.Bc4 dc4 31.Nd2-/+) 29.Qa1 Qb7 (29...Rh5 30.Ra8 Kb7 31.Rf8+-) 30.Bc4 dc4 31.Nc5 bc5 32.Ra2 (32.dc5 Rh5 33.Rh5 Bh5+=) 32...Be8 (32...cd4 33.Rb2 Rc8 34.cd4 Be8-+ (34...Bh5 35.Ra3 Ne5 36.Ra8 Kc7 37.Rb7 Kd6 38.de5 Kd5 39.Rd7 Ke4 40.Rd4 Kf3 41.Qc3 Kg4 42.Kf2 Bg6 43.Qg3 Kh5 44.Qg5)) 33.Rb2 Bc6 34.Rb7 Kb7 35.Qb2 Kc7 36.Kf1 Ra8 37.d5 Bd5 38.Qb5 Ra1 39.Ke2 Ra2 40.Ke1 Rh8 41.Qc5 Kb7 (41...Kb7 42.Qb5 Ka8-+) 0–1. Christensen,Bo (2245) – Nikolov,Mo (2530), Odense DEN, HC Andersen Open, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 d5 5.e5 Nc6)

    8.d4 Bd7 9.Bd3 h6 10.h4 a6 11.h5 b5 12.Nh4 Nge7 13.0-0 Nf5 (13...b4!?=) 14.Nf5+= ef5 15.Qf3 Ne7 (15...Be6!?+=) 16.Ba3 Be6 17.Nd2 g5 18.Nb3 (18.Ra2 f4+-) 18...f4 19.Nc5 Nf5 (19...Qc8 20.Ne6 fe6 21.g3+=) 20.Na6! Ba3 (20...Ra6 21.Bb5 Decoy) 21.Bb5 Kf8 22.Ra3 Nh4 23.Qd1 g4 24.c4 f3? (24...dc4 25.Bc6 Combination) 25.g3+- Nf5 (25...dc4 26.Bc6 (26.gh4 Qh4 27.Rf3 gf3 28.Qf3 Rg8 29.Qg2 Rg2 30.Kg2 Qg4 31.Kh1 Ke7 32.Nb8 Bd5 33.f3 Qh3 34.Kg1 Qg3 35.Kh1 Bf3 36.Rf3 Ra1 37.Rf1 Rf1) 26...Ra7 A) 27.gh4 Qh4 28.Re1 Qh3 29.Bf3 gf3 30.Qf3 Rg8 31.Qg3 Rg4 32.Qg4 Qg4 (worse 32...Bg4 33.Rh3 Bh3 34.Nc5+-) 33.Rg3 Qd4-+; B) 27.d5+-) 26.cd5 Bd5 27.Qd3 Ne7? (better 27...Qg5 28.Nc7 Rd8+-) 28.Rfa1 Kg7 29.Nc5 Ra3 30.Ra3 Qb8 31.Bd7 Qb2 32.Bg4 Qc1 33.Kh2 Rb8 (33...Qe1 34.Qe3 Qe3 35.Re3 Rd8+-) 34.Rc3 (better 34.Bf3 Qc4 35.Qd1+-) 34...Qe1 35.Qe3 White plans e6 35...Qf1 36.Bh3 (36.Bf3?! Rb1 37.g4 Qg1 38.Kh3 Qf1 39.Kg3 Qg1 40.Kh3 Qf1 41.Kh4 Qg1 42.Kh3=) 36...Qa1 (36...Qe2 37.g4 Rb1+-) 37.Rc1 Rb1? (37...Qa2 38.Rf1 Rb6+-) 38.Rb1 Qb1 39.e6 f6 40.Nd3 (better 40.Nd7 Qc2 41.Nf6 Qe2 42.Ne8 Kg8+-) 40...Qd1 (40...Qb3+-) 41.Nf4 Bc6 (41...Qa4+-) 42.Qa3 Nc8 (42...Kh8 43.Qe7 Qh1 44.Kh1 Be4 45.Nd5 Bd5 46.Qf8 Kh7 47.Bf5) 43.Ng6 (43.Ng6 Qg1 44.Kg1 Nd6 45.Qd6 Bb5 46.Qe7 Kg8 47.Qf7) 1–0. Rusan,P (2125) – Paraschiv,Paul_Alexandru (2000), ch–ROU (6), 2019. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4 7.c3 Nc6)

    8.d4 Nge7 9.Na3 Nf5 (9...Ng6 10.Nb5 Be7 11.Ba3=+) 10.Nb5= a6 (10...h5=) 11.Na3 (11.g4!? Nh6 12.Bg5=) 11...Qa5 (better 11...Be7-/+) 12.Qb3?? (better 12.Bd2=+) 12...Ncd4 13.Nd4 (13.Qb2 Ba3 14.Ra3 Qa3 15.Qa3 Nc2 16.Kd2 Na3 17.Ba3 b5-+) 13...Nd4 14.Qb2 Bd7 (better 14...Ba3 15.Ra3 Qa3 16.Qa3 Nc2 17.Kd2 Na3 18.Ba3 Kd7-+) 15.Bd3 Nc6 16.f4 Qc7 (16...Rc8 17.Nc2 Qc7 18.Be3-+) 17.Be3 Be7 (17...Rc8 18.Nc2-+) 18.0-0 (18.Nb5 Qb8 19.Nd4 0-0-+) 18...Rc8 (18...Na5 19.Bb6 Ba3 20.Ra3-+ (20.Bc7?? Bb2 21.Ba5 Ba1 22.Ra1 Bb5-+)) 19.Bb6-/+ Qb8 20.Rab1 (20.c4 Nb4 21.Be2 dc4 22.Nc4 Nd5-/+) 20...0-0 (20...Ba3 21.Qa3 Na7 22.f5-/+) 21.c4 dc4 22.Nc4 h6 (22...Nb4!? 23.Be2-+) 23.Be4 (23.Qd2 Nd8-/+) 23...Na7 (better 23...Nd8 24.Na5 Bb5-/+) 24.Ba7?? (better 24.Na5 Bb5 25.Rfd1-/+) 24...Qa7-+ 25.Nb6 (25.Kh1 Rc4 26.Qb7 Qb7 27.Rb7-+) 25...Bc5 (better 25...Bb5-+) 26.Kh1 Qb6 (26...Rc7 27.Nd7 Rd7 28.f5 ef5 29.Rf5-+) 27.Qb6-/+ Bb6 28.Bb7? (better 28.Rb6 Bc6 29.Bc6 bc6 30.Ra6-/+) 28...Rc7 (28...Bb5 29.Bc8 Rc8 30.Rfc1-+) 29.Rb6 Bb5 (29...Rb8 30.Ra6 Bb5 31.Re1-+) 30.Rb1? (better 30.Rd1 Be2 31.Ra1-+) 30...Rb8 31.Ba6 (31.R6b5 ab5 32.Bf3-+) 31...Rb6 32.Bb5 Rb5! 33.Rb5 (33.Rb5 Rc1) 33…Rc1 0–1. Goldmund,Heike – Neil,Charlie, FICGS, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4 7.c3 Nc6)

    8.d4 f6 9.Bd3 fe5 10.de5 Qc7 11.0-0 (11.Bf4 Bc5=+) 11...Ne5 12.Ne5 Qe5 13.Re1 Qf6 (13...Qc7 14.Qh5 Kd8 15.Qg5 Nf6 16.Bf4=+) 14.Bb5 (better 14.Qh5!? g6 15.Qd5+=) 14...Kf7=+ 15.Be3 a6 16.Ra4 (16.Bd4 Qf4=+) 16...Qd8 17.Qh5 g6 18.Qf3 Nf6 19.g4 (19.Bd4 Bg7-/+) 19...h6-+ 20.h4 (20.Bd4 Bg7 21.Bd3-+) 20...g5 (20...e5 21.g5 Rb8-+ (21...ab5? 22.Ra8 hg5 23.hg5+-)) 21.hg5-/+ hg5 22.Bg5 Be7 23.Bd3 Qd6 24.Bf4 Qc6 25.Bc2 (25.Rd4 Ke8-/+) 25...Bd7 (better 25...b5 26.Rd4 Ke8-/+) 26.g5? (26.Be5!? Rag8 27.Rf4-/+) 26...Rag8 (better 26...d4!? 27.Qc6 Bc6 28.f3-+) 27.Kf1 Qb5 (27...d4 28.Qd3 Rh1 29.Ke2 Re1 30.Ke1 Qh1 31.Ke2 Ba4 32.Ba4-+) 28.Re2? (better 28.c4 Qc5 29.Ra1-/+) 28...Ne4?? (better 28...d4 29.g6 Kg7-+) 29.Be5 (better 29.Ra5! Qc6 30.Be5 Ke8 31.Bh8 Rh8 32.g6=+) 29...Ke8-/+ 30.Bh8 Rh8 31.g6 Rf8 32.g7 Rf3 33.g8Q Rf8 34.Qg6 Kd8 35.Rae4 de4 36.Qe4 Bc5 37.c4 (better 37.Ke1!?-+) 37...Qb2 38.Nd2?? (38.Qh4 Kc8 39.Qg5-+) 38...Qc1 39.Re1 (39.Kg2 Bc6 40.Nf1 Qc2 41.Rc2 Be4 42.f3 Bc2 43.Kg3-+) 39...Rf2 40.Kg1 Re2 41.Kf1 (41.Qd4 Bd4 42.Kh1 Qe1 43.Nf1 Qf1) 41…Qe1 (41...Qd2?! 42.Re2 Qh6 43.Rg2-/+) 0–1. Hatzl,J (2100) – Toefferl,H (2100), TCh–AUT, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    8.d4 f6 9.Bd3 fe5 10.Ne5 Ne5 11.de5 Ne7 12.Bg5 (12.0-0 Qc7=+) 12...Qc7 13.Qe2 (13.f4 Nc6 14.Qg4 Qf7=+) 13...Ng6 (13...Nc6 14.f4-/+) 14.f4 Bc5 15.h4 (15.Bg6 hg6 16.Nd2 a5=+) 15...Ne7 16.Qh5 g6 17.Qf3 Nc6 18.Bf6 Rg8 19.g4 d4 (19...Rf8 20.Nd2=+) 20.c4 (20.h5 g5=+) 20...Nb4 21.Nd2 (21.Be4 Bd7 22.Kd1 d3-/+) 21...Bd7-/+ 22.0-0 Bc6 23.Be4 (23.Qe2 Qb6-/+) 23...Be7 (23...Nc2! 24.Bc6 Qc6 25.Qc6 bc6-/+) 24.Bc6 Nc6 (24...bc6 25.Rfb1 a5 26.Ne4=+) 25.Ne4 0-0-0 (25...h6!?=+) 26.Be7= Qe7 (26...Ne7? 27.Ra7 Nc6 28.Ra8 Nb8 29.Nd6 Rd6 30.ed6 Qd6 31.Qe4+-) 27.Rfb1 Rgf8 28.Qg3 d3 (28...h6 29.Nd6 Rd6 30.ed6 Qd6 31.Qb3-/+) 29.c5= Nd4 30.Nd6 Rd6 (30...Qd6 31.ed6 Ne2 32.Kh2 Ng3 33.Ra7 Nf1 34.Kh1 Kd7 35.Rab7 Kc6 36.Rc7 Kd5 37.Rf1 e5=) 31.cd6+- Ne2 (31...Qd7 32.Kh2 Nc6+-) 32.Kh2 Qd8 (32...Qf7 33.Qd3 Qf4 34.Kh3 Qf3 35.Qf3 Rf3 36.Kg2 Rf7 37.Ra7 Kb8 38.Rab7 Rb7+-) 33.Ra7 (better 33.Qf2 Kd7 34.Rb7 Ke8 35.Raa7 Rf5 36.Re7 Kf8 37.Qb6 Qe7 38.de7 Kg7 39.e8Q Kh6 40.Qd6 Nf4 41.Qdf8 Rf8 42.Qf8) 33...Ng3 34.Ra8 Kd7 35.Rd8 Rd8 36.Kg3 (36.Rb7? Kc6 37.Rb3 d2-+) 36...Ra8 (36...b5 37.Kf3 Rb8 38.Ke3+-) 37.Kf3 (37.Rb7 Kd8+-) 37...Kc6 38.Rc1 Kd5 39.Ke3 d2 40.Kd2 Ke4 41.Rc4 Kf3 (41...Kd5 42.Kc3+-) 42.f5! 1–0. Reinderman,Dimitri (2420) – Gokhale,Jayant Suresh (2325), Oakham, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4)

    8.d4 f6 9.Bd3 Be7 10.0-0=.

    8.d4 f6 9.Bd3 f5 10.Ba3 Ba3 11.Na3 Nh6 12.0-0 0-0 13.c4 Nb4 14.c5 Nd3 15.Qd3 Bd7 16.Nb5 Bb5 17.Qb5 b6 18.Ra6 bc5 19.Re6 cd4 20.Rd6 Qe7 21.Qd5 Nf7 22.Rd7 Rad8 23.e6 (23.Re7?! Rd5 24.e6 Ne5=) 23...Rd7 24.ed7 Qe4 25.Qc5 d3? (better 25...Qb7 26.Ne5 Nd8+-) 26.Ng5!+- (26.Qa7?! Ra8 27.Qc5 Rd8=) 26...Qe2? (26...Ng5 27.Qe3 Double attack (27.Qe3 Decoy)) 27.Nf7 d2 (27...Kf7 28.Qf5 Ke7 29.Qf8 Kf8 30.d8Q Qe8 31.Qd3 Qe5+-) 28.Qd5 g6 (28...Qe7 29.d8Q Rd8 30.Nd8 Kf8 31.Qd2 h6+-) 29.Ng5 Kg7 30.Ne6 (30.Ne6 Qe6 31.Qe6+-) 1–0. Miazhynski,Yuri (2055) – Haas,B (2010), TCh–AUT 2nd Ost, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    8.d4 Nh6 9.Bh6 gh6 10.Bd3 f5 11.0-0 Bg7 12.Na3 a6 13.Nb5 0-0 (13...Bf8 14.Nd2=) 14.Qe2 Rb8 15.Nd6 b5 16.Rfb1 (16.Qa2 Rb6+=) 16...Qc7+= 17.g3 (17.Qb2 Rb6+=) 17...Rd8 18.Ne1 Rd6 19.ed6 Qd6 20.Nf3 Ne7 21.Ra2 Rb6 22.Re1 (22.Qe3 Ng6=) 22...Rc6 (22...Ng6 23.Qd2=) 23.Qd2+= Ng6 24.h4 Qc7 Attacking the backward pawn on c3 25.Ra3 Qd6 26.Rb3 Rc7 (26...h5 27.Qg5+=) 27.Qe2 (27.h5 Nh8+=) ½–½. Blimke_Deren,Dalia (2225) – Krajewska,Katarzyna (1985), Druzynowe Mistrzostwa Slaska Poland, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Nb4 7.c3 Nc6)

    6.ab4 Qc7

    7.d4 a5 8.c3 Bd7 9.Na3 Na7 (9...ab4?? 10.Nb5 Qa5 11.Ra5 Ra5 12.c4+-) 10.Bd2 b5 (better 10...ab4!? 11.cb4 Qb6+=) 11.ba5+- Ba3 12.Ra3 Rb8 (12...Nc6!?+-) 13.Bd3 Ne7 14.0-0 h6 15.Qe2 Bc6 16.Ne1 Kd7 (16...b4 17.cb4 Nb5 18.Ra2 Nd4 19.Qg4+-) 17.f4 h5 18.f5 g6 (18...Nf5 19.Bf5 ef5 20.Rf5+-) 19.fe6 fe6 20.Rf7 Rbg8 21.Bg5 Nac8 22.Qf3 Kd8 23.Qf6 Be8 24.Rg7 Qd7 (24...Bc6 25.Qf7 Re8 26.Qe6+-) 25.Rg8 (25.a6!? Qa7 26.Rg8 Rg8 27.Qe6 Rg7 28.Qd5 Kc7+-) 25...Rg8 26.a6 Na7 27.Nc2 Kc7 (27...h4 28.Ra5 Qc7 29.Qe6+-) 28.Qe7 Qe7 29.Be7 Rg7 (29...g5 30.Nb4+-) 30.Bc5 Kb8 31.Nb4 Ka8 32.Ra1 g5 33.Rf1 Rg8 (33...Rf7 34.Rf6 Rf6 35.ef6+-) 34.Rf6 Bd7 1–0. Christensen,Bo Garner (2230) – Mashiri,Arthur, Obro Nytaar op, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    7.d4 Nb4 8.c3 Nc6 9.Bd3 f6 10.0-0 Be7 (10...fe5 11.Ne5 Nf6 12.Re1=) 11.Re1= f5 12.Ba3 (12.Na3 Qd7+=) 12...Nh6 13.Be7 Qe7 14.Na3 (14.c4 0-0=) 14...Nf7 15.Qb3 0-0 16.Nc2 g5 (16...b6 17.Reb1=) 17.c4 dc4 18.Bc4 g4 19.Nd2 Ng5 (19...Rd8 20.Qc3=) 20.f4 gf3 21.Nf3 Nf3 22.Qf3 Kh8 23.Kh1 White prepares d5 23...Rd8 Exerts pressure on the backward pawn 24.d5 (better 24.Qf4!?=) 24...ed5-/+ 25.Bd5 Be6 (better 25...Ne5!? 26.Qb3 a5-/+) 26.Bc6= bc6 27.Qc6 Rac8 28.Qa4 Rd2 (28...Rc4 29.Qb3=) 29.Ne3+= Qg5 30.Qb4 (30.Qa7? f4 31.Qb7 Rg8-+ (worse 31...fe3 32.Ra7 Qg8 33.Qf3-+)) 30...Rf2 (30...Rd3 31.Nf1 f4 32.Qb2=) 31.Qd6 (31.Ra7? Qe3 32.Rh7 Kg8-+) 31...Bg8 (31...Rg8 32.Qe6 (32.Ra7 Rg2 33.Rg7 Qg7 34.Ng4 Rh2 35.Kh2 Qg4 36.Qe6 Qh5) 32...f4 33.Ng4 Qg4 34.Qg4 Rg4 35.Rf1 Rgg2 36.Rf2 Rf2 37.Ra7=) 32.Qf6 (better 32.e6!?+-) 32...Qf6= 33.ef6 Rf8 34.Kg1 Ra2 35.Ra2 Ba2 36.Nf5 (36.Ra1 Be6+=) 36...Bg8= (36...Rf6? 37.Re8 Bg8 38.Ne7+-) 37.Ra1 Rf6 38.Ne3 a6 39.Ng4 (39.g4 Bb3=) 39...Rf4 40.h3 Bc4 41.Ne5 Bb5 42.Nf3 Kg7 43.Kf2 Re4 44.Ng5 Re2 (44...Re5 45.Nf3 Re2 46.Kg3=+) 45.Kf3= h6 46.Ne4 Rc2 47.Nd6 (47.g4!?=) 47...Bc6 48.Kf4 Rf2 49.Ke5 Re2 ½–½. Fluerariu,Radu C (1985) – Paraschiv,Paul A (1875), Campionatul National de sah Clasic, 2016. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    7.d4 Bd7 8.c3 Rc8 9.Bf4+=.

    7.d4 Bd7 8.c3 Be7 9.Bd3 f6 (9...Rc8 10.0-0+=) 10.0-0 (10.Bf4 f5+-) 10...f5 (10...fe5 11.Ne5 Ne5 12.Bf4+-) 11.Kh1 (11.Na3 a6+-) 11...a6+= 12.Bd2 Na7 (12...Rc8 13.Kg1+-) 13.Na3 b5 (better 13...Rc8+-) 14.g4 (14.Nh4 Bc6+-) 14...g6 (better 14...fg4!? 15.Ne1 h5=) 15.gf5+- ef5 16.Qe2 (16.Re1 Qc6+-) 16...Qb7 (16...Qc6 17.Rfe1+-) 17.e6 (17.Rfe1 Be6+-) 17...Bc6 (17...Bc8 18.Ng5 Nf6 19.f3+=) 18.Ne5 Nf6 19.f3 Rb8 (19...Rc8 20.Bg5 Qc7 21.Nf7+-) 20.Bg5 (20.Nf7 Rg8+-) 20...Qc7 (20...0-0 21.Rg1 Nh5 22.Nd7 Bd7 23.Be7=) 21.Nb1 (21.Nc2 Rb6 22.Nf7+-) 21...Rb6 22.Re1 (better 22.Nf7!? Rf8 23.Qe5 Qe5 24.de5+- (24.Ne5?! Bb7=)) 22...Nh5 (22...Rf8 23.Qd1+-) 23.Bh6 (better 23.Be7 Ke7 24.Qe3+-) 23...Nc8? (better 23...Bb7 24.Nd7 Rc6+=) 24.Nc6+- Rc6 (24...Qc6 25.Ra6! Nf6 26.Na3+-) 25.Ra6!! Ra6 26.Bb5 Rc6 (26...Kd8 27.Ba6 Nb6 28.Bb5+-) 27.Qe5 Qe5 28.Bc6 (28.Re5 Na7 29.Ba4 Bd6 30.Rd5 Ke7 31.Bc6 Nc6=) 28...Kd8 29.Re5 (29.de5 g5+-) 29...Kc7 (29...Nb6 30.b5+-) 30.Bd5 Nb6 (30...Bd6 31.Re3+-) 31.Bb3 Ra8 (31...Bd6 32.Ra5+-) 32.Ra5 1–0. Ossa,Orlando (2255) – Ortegon Villacorte,Daniela (1835), IRT National Team Chess Championship, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7)

    7.d4 Bb4

    8.c3 Ba5 9.Bd3 (9.Ba3 Nge7=+) 9...h6 (better 9...Nd4!? 10.Qa4 Nc6-/+) 10.0-0 Nge7 11.Ba3 Bd7 (11...0-0 12.Bd6 Qd8 13.Qe2=+) 12.Nfd2 h5 (12...0-0 13.Qg4=) 13.Nb3 Bb6 14.Qd2 (14.Qf3 Nc8=) 14...Qd8 15.Nc5 Rb8 (15...Bc5 16.Bc5 (16.dc5? Ne5 17.Re1 N7c6-+) 16...b6 17.Bd6=) 16.Qf4 Kf8 (16...Nf5 17.Bf5 ef5 18.Qg3=) 17.Nd2 Kg8 18.Qh4 Be8 (18...Nf5 19.Qd8 Rd8 20.Nb7+=) 19.f4 (19.Nf3 Nc8 20.Ng5 Qc7+=) 19...Nf5 (19...Ba5 20.Bb2=) 20.Qf2 (20.Qh3 Nfe7=) 20...Nce7 21.Nf3 Qc8 22.Rfc1 Bd8 (22...h4 23.Bb4=) 23.g3 (23.Nb3!?+=) 23...Rh6= 24.Nb3 Bb6 25.Nbd2 Qd8 26.Nf1 Ba5 27.Ne3 g6 (27...Ne3 28.Be7 Qe7 29.Ra5+=) 28.Nf5 Nf5 29.Bf5 gf5 30.Bd6 Rc8 Attacking the backward pawn on c3 31.Qb2 Bb6 32.Rcb1 Rc6 33.Kf2 Qc8 34.Ra3 Kh7 (34...Rg6 35.Ke1=) 35.Ke3 (35.Ke1 Rg6=) 35...Rg6 36.Kd3 Qd8 37.Qa2 Rc8 38.Qb3 Bc6 39.Qb4 Qd7 40.Kd2 Re8 41.Ke3 Kh8 42.Qb2 (42.Bc5 Bc5 43.Qc5 b6=) 42...Reg8 (42...Rc8 43.Kd2=) 43.Qg2 (43.Kd2 Rg4=) 43...Rh6 44.Ra2 (44.Qe2 Kg7=) 44...Bb5=+ 45.Qb2 a6 46.Qa3 Rc8 47.Rc2 Bd8 48.Kd2 Qc6 49.Bf8 (49.Be7 Qc4 50.Ng5 Kg8 51.Bd8 Rd8-/+) 49...Rg6 50.Be7 Qc4 (50...Qc4 51.Bd8 Rd8-/+) 0–1. Reinhard,M (2165) – Dedic,N (1940), 47th Bosna Open, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    8.c3 Be7

    9.Na3 f6 (9...a6 10.Be3=+) 10.ef6 (10.Nb5!? Qd8 11.Ba3=) 10...Nf6=+ 11.Bd3 (11.Nb5!? Qb8 12.g3=+) 11...Nd4!-/+ 12.0-0 (12.cd4 Qc3 Double attack; 12.Nd4 Qc3 Double attack (12...Qc3 Decoy)) 12...Nf3-+ 13.Qf3 0-0 14.Nb5 Qb8 15.Bf4 e5 16.Bg3 (16.Qe2 ef4 17.Qe7 Re8-+) 16...a6 (better 16...Bc5 17.Qe2 Re8-+) 17.Nd4? (better 17.Qe2 Nd7 18.Nd4-+) 17...Bd6 18.Nf5 Ne4 19.Be4 de4 20.Nh6 gh6 21.Qe4 Bf5 22.Qd5 Kg7 23.Rad1 Bc7 24.Rfe1 e4 25.Qd4 Kg6 26.Re4 Rd8 (better 26...Bg3 27.hg3 Qc7-+ (27...Be4?! 28.Qe4 Kg7 29.Qg4 Kf6 30.Qh4 Kg7 31.Qg4 Kh8 32.Qd4 Kg8 33.Qg4 Kh8 34.Qd4 Kg8 35.Qg4 Kh8=)) 27.Rg4= Bg4 28.Qg4 Kf7 29.Qf5 Kg7 30.Rd7 Rd7 31.Qd7 Kg8 32.Qe6 Kg7 33.Qe7 Kg8 34.Qe6 Kg7 35.Qe7 Kg6 36.Qe6 Kg7 37.Qe7 Kg8 38.Qe6 Kf8 39.Qf6 Kg8 40.Qe6 ½–½. Airando,Martin (2260) – Cereijo,Nicolas, FASGBA Superior, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    9.Bd3 a6 10.0-0 f5 (10...Bd7 11.Nbd2=+) 11.Ba3 Nh6 12.Nbd2 0-0 13.Qe2 Ba3 14.Ra3 Qe7 15.Rfa1 Bd7 16.Nb3 Rad8 (16...Be8 17.c4=) 17.Nc5+= Bc8 18.Rb3 Rde8 19.Rb6 Nd8 20.Rab1 g5 21.Nd2 g4 22.Bc2 Qg5 23.c4 (23.Qd3 Re7+=) 23...dc4 (23...Nc6!? 24.Ba4 Nd4+=) 24.Nc4+- Nhf7 (24...Qf4 25.Nd6 Qd4 26.Ne8 Re8 27.R6b4 Qc5 28.Rc4+-) 25.Ba4+- Re7 26.Qd3 (better 26.Nd6!? Rc7 27.Nc8 Rc8 28.Nd7+-) 26...Rc7+= 27.Nd6 The pressure on b7 grows (27.Ra1!?+=) 27…Ne5= ½–½. Markwald,Jochen – Schermeier,H, NRW–Liga I, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    9.Bd3 f6 10.Qe2 fe5 11.de5 Nh6 12.Bh6 gh6 13.0-0 0-0 (13...Bc5 14.Nbd2=+) 14.Ra4 (14.Qe3 Rf7=) 14...Rf7 (14...Bd7 15.Rg4 Kh8 16.Qe3=+) 15.Qe3 Bf8 (15...Bd7 16.Re1=+) 16.Na3= Bd7 17.Nb5 The pressure on a7 grows 17...Qb8 18.h3 (18.Rb1!?=) 18...Bg7=+ e5 becomes the focus of attention 19.Rg4 Kh8 20.Re1 (20.Nd6 Rf8+=) 20...Be8 (20...Rf3 21.gf3 Qe5 22.f4 Qe3 23.fe3=+) 21.Nbd4 Qc8 22.Bb1 Na5 (better 22...Qd7=) 23.Qd3+- Bf8 24.Nh4 (better 24.Rf4! Qd7 25.Rf7 Qf7 26.Ne6+-) 24...Rc7 25.Qf3 Rf7 26.Qd3 (26.Qg3!? Bg7 27.Qd3 Be5 28.Re5+-) 26...Rc7 (26...Bd7 27.Ng6 hg6 28.Qg6 Rg7 29.Qh6 Kg8 30.Qh7 Kf7 31.Bg6 Ke7 32.Qh4) 27.Re3 (27.Rf4 Bc5 28.Qf3 Bg6 29.Bg6 Bd4+-) 27...h5 (better 27...Bh5!? 28.Rf4 Bc5=) 28.Rf3+- Bh6? (28...Bc5 29.Rgf4 Kg8+-) 29.Rgg3 (29.Rg7 Bg6 30.Ng6 hg6 31.Qg6 Rg7 32.Qh6 Kg8 33.Bh7 Kh8 34.Bg6 Kg8 35.Bf7 Kf8 36.Be6 Ke8 37.Qg7 Qe6 38.Rf8) 29...Nc4 30.Rf6 Ne5 31.Qe2 (31.Qe2 Ng6 A) 32.Ng6?! Bg6 33.Bg6 Bg7 34.Re6 h4+-; B) 32.Re6?! Bf4 (32...Nh4 33.Rh6 Ng6 34.Bg6 Bg6 35.Rgg6 Qb8 36.Qe5 Rg7 37.Qg7) 33.Bg6 hg6 34.Rgg6 Rh7+-; C) 32.Qe6?! Rc3 33.Rfg6 Rc1 (worse 33...Bg6 34.Ng6 hg6 35.Qg6 Rc1 36.Kh2 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6; worse 33...hg6 34.Ng6 Bg6 35.Qg6 Rc1 36.Kh2 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6) 34.Kh2 Qe6 (34...Bg6 35.Ng6 hg6 36.Qg6 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6; 34...hg6 35.Ng6 Bg6 36.Qg6 Qh3 37.gh3 Rh1 38.Kh1 a5 39.Qh6; 34...Rb1?? 35.Rg8) 35.Re6 Bf4+=; D) 32.Ne6?! Re7 33.Bg6 Bg7+-; E) 32.Qh5+-) 1–0. Nyholm,J – Maus,Siegfried (2335), Lyngby op, 1988. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    9.Bd3 f6 10.Qe2 fe5 11.Ne5 Ne5 12.de5=+.

    9.Bd3 f6 10.Qe2 Nh6 11.0-0 (11.ef6 Bf6 12.Bh6 gh6=) 11...Nf7=+ 12.Re1 (12.ef6 gf6 13.c4 dc4 14.Bc4 Qd7=) 12...a6 (12...fe5 13.de5 g5 14.h3=+) 13.Nbd2 (13.ef6 gf6 14.c4 Nb4 15.cd5 Nd5= (worse 15...Nd3 16.Qd3 Nd8 17.de6+-)) 13...Rb8 (13...fe5 14.de5 g5 15.Bb5-/+) 14.Nb3 (14.ef6 gf6 15.Ba3 Ba3 16.Ra3 Qf4=) 14...f5 (14...fe5 15.de5 g5 16.h3-/+) 15.h3 (15.Ba3 Ba3 16.Ra3 0-0=) 15...h6 (15...g5 16.Ba3=+) 16.Nh2 (16.Ba3 g5=) 16...g6 (16...b5 17.Ba3=+) 17.g4 (17.Ba3=) 17...Nce5?? (better 17...h5-/+) 18.de5+= Qc3 19.Rb1 (19.Bd2 Qc7+= (19...Qb3? 20.Reb1 Qb1 21.Rb1+-)) 19...Ng5 (19...h5!?=) 20.Bd2+- Qc7 21.Rec1 Qd8 22.Kg2 Ne4 23.Nd4 Bd7 24.gf5 Nd2 (better 24...ef5 25.e6 Ba4+-) 25.fe6+- 0-0 26.ed7 (26.Qd2 Bg5 27.Qa2 Bb5+-) 26...Nb1 27.Qg4 (27.Bb1?! Qd7 28.Bg6 Bg5+-) 27...Bg5 (27...Kh8 28.Rb1 h5 29.Qe6+- (29.Qg6? Rg8-+)) 28.Bb1 (28.Rb1 Rf7+-) 28...Qb6 (28...Qe7 29.Rc8 Qe5 30.h4+-) 29.Rf1 Rf4 30.Qe6 Qe6 31.Ne6 Rf7? (31...Kf7 32.Nf4 Bf4+-) 32.Ng5 hg5 (32...Rd7 33.Ng4 Re7 34.Nh6 Kg7 35.Ng4+-) 33.e6 Re7 (33...Rd8 34.ef7 Kf7 35.Ng4+-) 34.Rc1 (34.Rc1 Ree8 35.de8R Re8 36.Ba2+-) 1–0. Zakarian,D (2335) – Vourtsas,A (2035), Aegean Open Kirykos GRE, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6)

    9.Bd3 f6 10.Bf4 Qb6 11.Na3 a6 (11...Bd7 12.0-0=) 12.Nb5 fe5 13.Ne5 (worse 13.Be5 Ne5 14.de5 Bd7=+) 13...Nf6? (13...Ne5 14.Be5 Kf8 15.Nc7+-) 14.Ng6! e5 (14...hg6 15.Nc7 Double attack (15.Nd6 Decoy)) 15.Ne5 (15.de5 Ng4 16.Nc7 Qc7 17.Nh8 Nce5+=) 15...Ne5+= 16.Be5 0-0 17.Nc7 Ra7 18.0-0 (18.Qc2 Bd6 19.Bf6 Bc7 20.Bh7 Kh8+=) 18...Qc6 (18...Bd8 19.Bf6 Bc7 20.Be5 Be5 21.de5=) 19.Qb3 Exerts pressure on the isolated pawn 19...Rd8 (19...Bd8!? 20.Nb5 Ra8+=) 20.c4+- dc4 21.Bc4 Kh8 22.Rac1 Qe4?? (better 22...Ng4 23.Be6 Ne5 24.Rc6 Nc6+-) 23.Rfe1 Qg6 24.Bf7 (better 24.Qb6 Bh3 25.Bg3+-) 24...Qf5 25.f3 (better 25.Be6!? Be6 26.Ne6+- (worse 26.Qe6 Qe6 27.Ne6 Rda8+=)) 25...b5+= 26.Qe3 Bb4 27.Re2 h6? (better 27...a5!?+=) 28.d5 Nd7?? (better 28...Rb7+-) 29.Qh6 (29.Qa7 Ne5 30.Ne6 A) 30...Nf7?? 31.Nd8 Nd6 32.Ne6 Be6 33.de6+- (33.Re6?! Qd5 34.Rg6 Qe5+-); B) 30...Nf3 31.Kh1 Be6 32.Be6 Qf4=+) 29...Qh7 30.Bg7 1–0. Christensen,Bo Garner (2285) – Almer,Julia (1945), Fynsmesterskabet, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd3 Nh6 10.0-0 0-0 11.Qc2 (11.Bh6 gh6 12.Qd2 Kg7+=) 11...f5 (11...Nf5 12.g4 Nh6 13.Bh7 Kh8 14.Bh6 gh6 15.Bd3=) 12.ef6 (12.Bh6 gh6 13.Qd2 Kg7=) 12...Bf6 (12...Rf6 13.Bh7 Kh8 14.Re1=) 13.Bh7 Kh8 14.Ba3 Rd8 15.Nbd2 (15.Re1 e5 16.de5 Ne5=) 15...e5 16.de5 Ne5 17.Ne5 (17.Nd4 Nhg4 18.Nb5 Qf7=) 17...Be5=+ 18.Nf3 Bf6 (18...Ng4 19.h3 Qc3=+) 19.Rac1 (19.Bb2 b5=) 19...Bg4 (19...Qc3 20.Qa2 Qa5-/+ (20...Kh7?? 21.Rc3 Bc3 22.Qc2 Kg8 23.Qc3+-)) 20.Nd4= Rac8 (20...Qa5 21.Bb4 Qb6 22.Rb1=) 21.h3 (21.Qd3 Qc4=) 21...Bd7 (21...Qc3 22.Qc3 Rc3 23.Rc3 Bd4 24.Rc7 Kh7 25.hg4 Ng4 26.Rb7=) 22.Qd3 (22.Bg6 Qb6 23.Qb1 Qb1 24.Bb1 a5=+) 22...b5 (22...Qa5 23.Bb4 Qb6+=) 23.Bg6= Qb6 24.Rb1 Will b5 fall? (24.Bb2 Be8 25.Be8 Re8=) 24...Rc4 25.Qg3 (25.Ne2 Be8=) 25...Rdc8 (25...a6 26.Ne2=) 26.Rb3 (26.Bb2 Qc7 27.Qe3 Qb6=) 26...a6 (26...a5 27.Bb1 Bd4 28.cd4=+) 27.Bb1 Be8 (27...Bd4!? 28.cd4 Nf5 (28...Qd4?? 29.Bb2 Nf5 30.Bf5 Qb2 31.Rb2 Bf5 32.Qe5+-) 29.Bf5 Bf5=) 28.Re1 Bf7 29.Qd3 (29.Bb2 Qb8 30.Qd3 Bg8+=) 29...Bg8 30.Re6 (better 30.Bb2!?+=) 30...Rd4=+ 31.Rb6 Rd3 32.Bd3 d4 33.c4? (better 33.Rb1 Rc3 34.Bc1 Rd3 35.Bh6-/+) 33...bc4-+ 34.Rb8 (34.Rb1 cd3 35.Ra6 d2 36.Rf6 gf6-+) 34...Rb8 (34...cb3 35.Rc8 a5 36.Ra8+-) 35.Rb8 cd3 36.Kf1 (36.Bc1 Kh7-+) 36...Kh7 37.Ke1 Bc4 (37...Bd5 38.g3-+) 38.Rb4 (38.g4 Nf7 39.f4 Bh4 40.Kd1 Bg3-+) 38...Bb5 39.Bb2 (39.Bc1 Nf5 40.Bd2 Be7-+) 39...Nf5 40.g3 (40.Kd1 Bc6-+) 40...Bd8 (40...Bg5 41.h4 Bd8 42.Rb5 ab5 43.Kd2-+) 41.Bd4 (41.Rb5 ab5 42.Kd2 Ne7-+) 41...Ba5 (41...Nd4?! 42.Rd4 Bf6 43.Rd5-+) 42.Bc3 Bb4 43.Bb4 Nd4 44.Kd2 (44.Kd1 Nf3-+) 44...Nc6 (better 44...a5!? 45.Bc3 Nb3 46.Ke1-+) 45.Bc5 a5 46.Bb6 (46.f4 a4 47.g4 Na5-+) 46...a4 47.Bc5 Na5 48.Bb4 Nc6 (better 48...Nb3 49.Kc3-+) 49.Bc5 Kg6 (49...Ne5 50.Kc3 Nf3 51.Be3-+) 50.f4 (50.Ke3 Na5 51.Bb4 Nb3-+) 50...Na5 51.Bb4 Nb3 52.Kc3 Kf5 53.Kb2 Ke4 54.h4 (54.f5 d2 55.Bd2 Nd2-+) 54...Bd7 (54...d2 55.Bd2 Nd2 56.Ka3-+) 55.Bc3 (55.f5 Bf5 56.Ka3 Bd7-+) 55...g6 (55...d2 56.Bd2 Nd2 57.Ka3-+) 56.Bb4 Ke3 0–1. Franck,Boris (2085) – Ferry,Roger (2060), Belfort FRA, Men Ch Open A, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd3 Nh6 10.0-0 Nf5=+ 11.g4 (better 11.Ba3=+) 11...Nh4 (11...Nh6!? 12.Bh6 gh6=+) 12.Nh4= Bh4 13.Na3 (13.g5 h5 14.Qf3 Qe7+-) 13...a6 (better 13...Be7!?=+) 14.Nb5+= Qd8 (better 14...Qe7+=) 15.Nd6 Kf8 16.g5! h5 (16...Bg5 17.Qh5 Double attack (17.Qh5 Decoy)) 17.g6 Qc7 (17...Ke7 18.Nf7 Qg8+-) 18.Nf7 (18.gf7?! Be7 19.Ba3 Bd7+-) 18...Rg8 19.Qf3 (better 19.Qh5 Be7 20.Qh7+-) 19...Ke8 20.Qh5 Be7 21.Qh7 Rf8 22.Qg7 Nd4 (22...b5+-) 23.cd4 Qc3 (23...Rb8 24.Qh7 Kd7 25.Ba3 Ba3 26.Ra3+-) 24.Ba3! Qd4 (24...Ba3 25.Nd6 Double attack) 25.Nh6 Ba3 26.Ra3 Bd7 27.h3 (27.Qh7 Qb4 28.Ra2 Qf4+-) 27...Rc8 (27...Qb4 28.Nf7 Qe7 29.Nd6 Kd8 30.Nb7 Ke8 31.Nd6 Kd8 32.Nf7 Ke8 33.Rfa1+-) 28.Nf7 Rc6 (28...Qf4 29.Nd6 Kd8 30.Nb7 Ke8 31.Ra6 Qg5 32.Kh2 Qe7 33.Nd6 Kd8 34.Nf7 Ke8+-) 29.Qf6 Rf7 (29...Qb6 30.g7 Qf2 31.Kf2 Rc2 32.Bc2 Rf7 33.g8Q Rf8 34.Qgf8) 30.gf7 Kf8 31.Qd8 (31.Qh6 Kf7 32.Bg6 Ke7 33.Qg5 Kf8 34.Qf6 Kg8 35.Qf7 Kh8 36.Qh7) 31...Kf7 32.Qd7 (32.Bg6 Kg6 33.Rg3 Kf5 34.Qg5 Ke4 35.Re1 Qe3 36.Qe3 Kf5 37.Qf3) 32...Kf8 33.Qd8 Kf7 34.Qf6 (34.Bg6! Kg6 35.Rg3 Kf5 36.Qg5 Ke4 37.Re1 Qe3 38.Qe3 Kf5 39.Qf3) 34...Ke8+- 35.Bb5 (35.Bb5 Qb4 36.Ra6 Qe7 37.Bc6 bc6 38.Ra8 Kd7 39.Ra7 Kc8 40.Qe7 c5 41.Qf8) 1–0. Visser,PR – De Jager,Leo, Soest op, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Qc7 7.d4 Bb4 8.c3 Be7)

    9.Bd3 Nh6 10.Bh6 gh6 11.Na3 f5=.

    5.e5 d4

    6.Bb5 Bd7=+ 7.Bd3 Nc6 8.0-0 Nge7 9.Bb2 Ng6 10.Re1 (10.Bg6 hg6 11.ab4 Bb4 12.Bd4 g5-/+) 10...Bc5 (10...Qb6=+) 11.g3 (better 11.ab4!? Bb4 12.Bd4 Nd4 13.Nd4=) 11...Qb6-/+ 12.h4 a6 13.Re4 (13.h5 Nge7-/+) 13...Rc8 (13...f6 14.ef6 gf6 15.ab4 Qb4 16.Ba3-/+) 14.Kg2 (14.h5 Nge7-/+) 14...Qc7 15.Qe2 h5 16.Kh2 Ba7 (16...0-0 17.Kg1-/+) 17.Qe1 (17.ab4 Nb4 18.Bd4 Bd4 19.Nd4 Nd3 20.Qd3 Ne5 21.Qb3-/+) 17...Nge7 (17...0-0 18.ab4 Nb4 19.Bd4-/+) 18.Ng5 (better 18.Nd4!? ba3 19.Na3= (worse 19.Ra3 Bc5-/+)) 18...Nf5-/+ 19.Re2 (19.Nf3 0-0-/+) 19...Nh6 (19...0-0 20.Nf3-/+) 20.f3 Bb8 21.Be4 Qb6 22.f4 Ng4 23.Kh3 d3 24.cd3 (24.cd3 Nd4 Combination; 24.Bd3 Nd4 Combination) 24…Nd4 (24...Nd4 25.Qg1 Ba7-+) 0–1. Ssegwanyi,Arthur – Hindermann,F (2320), 26th Universiade Men, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    6.Bd3 Nc6 7.0-0 Nh6 8.Qe2 Be7 9.Bb2 f5 (9...Nf5 10.Bf5 ef5 11.Qd3=) 10.ef6 (10.ab4 Bb4 11.Bb5 0-0=) 10...Bf6= 11.ab4 Nb4 12.Bb5 Nc6 13.Qe4 Increases the pressure on d4 13...Nf5 (13...Qd5 14.Qd5 ed5 15.Bd4 Bd4 16.Bc6 bc6 17.Re1 Kd7 18.Nd4=) 14.Bc6 bc6 15.Qc6 Bd7 16.Qe4 0-0 17.Na3 (worse 17.Nd4 Qb6 18.Nf5 Bb2 (18...Qb2?! 19.Nc3 Bc3 20.dc3=) 19.Ne7 Kf7-+) 17...Qe8 18.Nd4 (18.Bd4? Bc6 19.Qd3 Nd4 20.Nd4 Rd8-+) 18...Bd4 (18...Rd8 19.c3=) 19.Bd4= Bc6 20.Qe5 (20.Qg4 h5 21.Qf4 Bg2 22.Kg2=) 20...Rd8 (better 20...Qg6!? 21.f3 Nd4 22.Qd4 Rf3 23.Rf3 Bf3=) 21.Bc3+- Rd5 22.Qe2 Qg6 23.f3 Nh4 24.Rae1? (24.Kh1 Rg5 25.Rf2 Rg2 26.Rg2 Ng2 27.Rg1 Bf3 28.Rg2 Be2 29.Rg6 hg6 30.Kg2-+) 24...Rg5-+ 25.Qe6?? (25.Kh1 Rg2 26.Qe6 Kh8-+) 25...Qe6 26.Re6 Rg2 27.Kh1 Rf3 28.Rf3 Bf3 29.Re3 Rg6 (29...Rg6 30.Rf3 Nf3 31.Bd4 Nd4 32.c3 Nf3 33.d4 Rg1) 0–1. Whitehead,Jay E (2245) – Rohde,Michael A (2425), Lone Pine op, 1978. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    6.Bb2 Nc6

    7.Bb5 ba3 8.Na3 Bc5 9.Nc4 (9.Bc6!? bc6 10.Nc4=) 9...Nge7= 10.Qe2 (10.0-0 0-0=+) 10...0-0=+ 11.Ng5 (11.0-0 Qd5=+) 11...h6 (11...a6 12.Bc6 Nc6 13.Ne4-/+) 12.Ne4= Qd5 13.Bc6 Nc6 (13...bc6?? 14.Ra5 d3 15.Qg4+-; 13...Qc6?! 14.Nc5 b5 15.Ne4 bc4 16.Bd4+=) 14.Nc5 Qc5 15.Ba3 Qd5 16.Bf8 Kf8 (better 16...Qg2 17.0-0-0 Kf8=) 17.f4 (better 17.0-0 Qc5 18.Rfe1+/-) 17...a5? (17...d3 18.Qd3 Qg2 19.0-0-0+/-) 18.0-0?? (better 18.Nb6 d3 19.Qe3+- (19.Nd5?! de2 20.Nb6 Rb8+-)) 18...Qc5+/- 19.d3 (19.Kh1 a4+/-) 19...Nb4 (19...a4 20.Nd6+/-) 20.Rf2 (20.Nd6 a4+/-) 20...Bd7 Black prepares the advance a4 (20...a4 21.Nd6 Ra6 22.Qg4+=) 21.Nd6 (better 21.Qe4 g6 22.Qb7+/-) 21...b6?? (21...Qc3 22.Raf1 g6 23.g4+-) 22.h3 (better 22.Qe4 Nd5 23.Qh7+-) 22...a4 (22...Kg8+=) 23.Kh1 (23.Qe4 Nd5 24.Qh7+-) 23...a3 (23...Kg8 24.Qh5 Rf8 25.Ne4=) 24.Qh5 White plans f5 (24.Qe4 Nd5 25.Qh7+-) 24...Be8= 25.Qe2? (25.Ne8!? Ke8 26.f5 Qe5 27.Qg4=+) 25...a2 (25...f5!?-+) 26.f5-/+ Qc3 27.Qd1 ef5 28.Nf5 Qc5 (28...Ra7 29.Rf1 Bd7=+ (worse 29...Nc2 30.Qg4 g6 31.Qh4 gf5 32.Qh6 Kg8 33.Qg5 Kf8 34.Qh6 Kg8 35.Ra2 Ra2 36.Rf5 Qe1 37.Kh2=)) 29.e6!= fe6? (29...g6 30.ef7 (30.Nh6?! f5=) 30...gf5 31.fe8Q Re8 32.Qh5+=) 30.Nd4?? (better 30.Qg4 ef5 31.Rf5 Kg8 32.Rc5 bc5 33.Qf5+-) 30...Kg8= 31.c3?? (better 31.Qd2=) 31...Qc3-+ 32.Ne6? (32.Nf3 e5 33.Qe1 Qe1 34.Ne1 Bf7-+) 32...Bf7 33.Nf4 (33.Re2 Re8 34.Rc1 Qf6-+ (34...Re6?! 35.Rc3 Re2 36.Rc8 Kh7 37.Qe2 a1Q 38.Kh2-/+)) 33...Ra3 (33...Bb3 34.Ne2 Qc2 35.Qf1-+) 34.d4 (34.Ne2 Qb2 35.Qc1-+) 34...Rb3 (34...Bb3 35.Ne2 Qa1 36.Qa1-+) 35.Kh2?? (better 35.Raa2 Na2 36.Ra2=) 35...Rb2 (better 35...Qg3 36.Kg1 Qe3-+) 36.Rb2 Qb2 37.d5? (better 37.Qg4 Qc2 38.Qd7-+) 37...Qe5 38.g3 Nd5 (38...g5 39.Nd3 Nd3 40.Ra2 Bd5 41.Re2-+) 39.Nd5? (better 39.Ra2 Nf4 40.Ra8 Kh7 41.gf4 Qf4 42.Kg1 Qg3 43.Kh1 Qh3 44.Kg1 Qe3 45.Kh2-+) 39...Bd5 40.h4 (40.Qd2 Qa1 41.Qd5 Kh8 42.Qd8 Kh7 43.Qd3 g6-+) 40...b5 (40...Qb2 41.Kh3 Bg2 42.Kg4 Qb4 43.Kh5 Qc5 44.Kg4 Qc4 45.Kh5 Qf7 46.Kg4 Qg6 47.Kf4 Qe4) 41.Qe1 (41.Qd2 Qa1 42.Qd5 Kh8 43.Qd8 Kh7 44.Qd3 g6 45.Qa3-+) 41...Qe1 (41...Qb2 42.Kh3 Bg2 43.Kg4 Qd4 44.Kf5 Qf6 45.Kg4 Qf3) 42.Re1-+ b4 43.Re2 b3 (43...a1Q 44.Rg2 Qf1 45.Rg1 Qf2 46.Kh3 Qg1 47.Kg4 Qd1 48.Kf5 Qd4 49.h5 Qe4) 44.Re8 (44.Rd2 Bf3 45.Kg1 a1Q 46.Kf2 Bb7 47.Rd8 Kh7 48.Rd7 Qf6 49.Ke2 b2 50.Rb7 Qa6 51.Kd2 Qb7 52.Kd3 b1Q 53.Ke3 Qc2 54.Kf4 Qbe4) 44...Kh7 45.Rb8 (45.Re1 b2 46.Kg1 b1Q 47.Kf2 Qd3 48.Ra1 Qd4 49.Ke2 Qa1 50.g4 Qe5 51.Kd3 Qe4 52.Kd2 a1Q 53.h5 Qae1) 45…a1Q (45...a1Q 46.Rh8 Kh8 47.Kh3 Qf1 48.Kg4 Be6 49.Kh5 Qf7) 0-1. Popadic,Dr (2155) - De Abreu,Roberto N (2180), Titled Tuesday, 2021. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 d4 5.a3 cb4)

    7.Bb5 ba3 8.Bd4 Bd7 9.Bc3 a6 10.Bc6 Bc6 (worse 10...bc6 11.Na3 a5 12.0-0+=) 11.Na3 b5 12.Bd4 Nh6 13.c3 Nf5 14.Nc2 Be7 15.0-0 0-0 16.Be3 Ne3 17.fe3 Be4 (17...Bf3 18.Rf3 Qc7 19.Nb4-/+) 18.Ncd4=+ Qb6 (18...Qc7 19.Rf2=+) 19.Qe2 (19.d3 Bg6=) 19...h6 (19...Qc7 20.Rfc1=+) 20.Rfc1 Rfc8 21.Qf1 (21.d3 Bb7=) 21...Rab8 (21...Qc5 22.Ra2=+) 22.Ne1 (22.d3 Bb7=) 22...a5 Black plans b4 23.Nd3 b4 24.cb4 ab4 25.Nb3 (25.Nb2 Bd5=+) 25...Bd5 (25...Qb5!? 26.Nf2 Qe5 27.Rc8 Rc8-/+) 26.Rc8=+ Rc8 27.Ndc1 (27.Nd4 b3 28.Qe1 b2 29.Nb2 Qb2-+) 27...Rc2 (27...Qc7 28.e4 Be4 29.d4-+) 28.Rb1 (28.Qe1 Rb2 29.Nd4 Bc5-/+) 28...Qc7 29.Qd1 Rc4 (29...Bg5 30.Ne2 Rc4 31.Nbc1-+) 30.Nd3 Be4 31.Nbc1 Qd7 32.Rb3 Qa4 33.Qf1 Qa1 34.Ne2 (34.Rb2 Qa3-+) 34...Qa2 35.Qd1 (35.Rb2 Qa3 36.Nec1 Rc1 37.Qc1 Qd3-+ (worse 37...Bd3 38.Kf2-+)) 35...Rc2 36.Nb4 Qb3 (36...Qb3 37.Nc2 Bc2-+) 0–1. Dmitriev,Igor (2270) – Totsky,Leonid (2435), RUS–ch sf Orel, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    7.Bb5 ba3 8.Bd4 Bd7 9.Bc3 Qb6 10.Bd3 (10.Be2 Nge7 11.Na3 Nd5=) 10...Nh6 (10...Bc5 11.0-0=) 11.0-0 (11.Na3 Be7+=) 11...Nb4 12.Bb4 (12.Be4 a2 13.Bb4 Bb4 14.Ra2 Bc6+=) 12...Bb4= 13.Na3 Ba3 (13...Bc6 14.Qe2 0-0 15.Rfb1+=) 14.Ra3+= Bc6 15.Qb1 (15.Qe2 Nf5+=) 15...Qb1 (15...Qc5 16.Rc3 Qd5 17.Re1+=) 16.Rb1+= 0-0 (16...Bd5 17.Nd4+-) 17.Nd4+- Bd5 (17...Rfd8 18.Nc6 bc6 19.Ra6+-) 18.Nb5 (18.c4 Bc6+-) 18...Ng4 (18...a6 19.Nd6+-) 19.f4 (19.Ra7?! Ne5 20.Ra8 Ra8=) 19...Rfc8 (19...a6!? 20.Nd6 Rfb8+-) 20.h3 Nh6 21.Ra7 Ra7 22.Na7 Rc5 23.Rb5 Rc7 (23...Rb5 24.Nb5 f6 25.c4+-) 24.Ra5 g6 25.Nb5 Rc5 26.Ra8 Kg7 27.Nc3 (27.Nd6 Bc6+-) 27...Ng8 (27...f6 28.Ra7 Rc7 29.Nb5+-) 28.Nd5 (28.Kf2 g5 29.Nd5 Rd5+-) 28...Rd5 29.Kf2 Ne7 30.Rb8 (30.Ke2 f6 31.Be4 Rd4+-) 30...Rd7 31.Kf3 (31.Be4!? Nc6 32.Bc6 bc6+-) 31...Nc6+- 32.Ra8 (32.Rc8 Nb4 33.Be4 Rd2+-) 32...Nb4 33.Ke4 (33.Be4 Rd2 34.c4 Rd4+-) 33...Nd3 34.cd3 Rd5 (34...f5 35.Ke3+-) 35.d4 Rb5 (35...f5 36.Ke3+-) 36.Rd8 Rb2 37.d5 Rd2 38.d6 Rd5 (38...b5 39.Rb8+-) 39.Ke3 (39.g4 h5+-) 39...h5 (39...g5 40.g3+-) 40.Rb8+- b5 41.g4 (41.h4!?+-) 41...hg4+- 42.hg4 g5 43.Rb7 (43.Kf3 gf4 44.Kf4 f6+=) 43...gf4 (43...Kg6 44.f5 ef5 45.d7+-) 44.Kf4+- Kg6 45.Ke4 (45.g5!?+-) 45...f6= 46.ef6 Kf6 47.Rb6 (47.d7 Ke7=) 47...b4 (47...Kg5 48.Kf3=) 48.Rb4 ½–½. Llaneza Vega,Marcos (2365) – Gonzalez Menendez,Ivan (2395), Memorial P.Moran (blindfold), 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    7.Bb5 Bc5 8.ab4+= Bb4 9.Bc6 bc6 10.Bd4+=.

    7.Bb5 Bc5 8.ab4+= Bb4 9.Nd4 Bd7 10.Nc6 Bc6 11.Bc6 bc6 12.Qg4+=.

    7.Bb5 Bc5 8.ab4+= Bb6 9.Na3+- Nge7 10.Nc4 0-0 11.0-0 (11.Bc6 bc6 12.Nb6 Qb6 13.Bd4 Qb4+=) 11...a6 (11...Nf5 12.Bc6 bc6 13.g4+=) 12.Bc6+- Nc6 (12...bc6 13.Nb6 Qb6 14.Bd4 Qb4 15.Qb1+=) 13.b5! (13.Nb6?! Qb6 14.Qe2 Rd8= (14...Qb4? 15.Ba3 Qb6 16.Bf8 Kf8 17.Qe4+-) ½–½. Dormann,Lars – Hoefker,Mathias (2340), Muenster Elo, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    7.Bb5 Bc5 8.ab4+= Bb6 9.Na3+- Nge7 10.Qe2 (10.Nc4 0-0 11.Bc6 Nc6+-) 10...0-0+= 11.Qe4 Pawn d4, live or die! 11...Qd5 (11...Nb4 12.Bd4 Bd4 13.Nd4=) 12.Qd5 ed5 13.Bc6 Nc6 14.b5 (14.0-0 Re8=) 14...Ne5=+ 15.Nd4 Re8 16.0-0 Bd7 17.d3 f6 18.Nb3 Nf7 (18...a5 19.ba6 ba6 20.Bd4=+) 19.Bd4= Nd6 20.Bb6 ab6 21.Nd4 (21.c4 dc4 22.dc4 Be6=) 21...Ra4 22.c3 (22.c4 Rea8 23.Ndc2 dc4 24.Nc4 Nc4 25.dc4 Be6 26.Ra4 Ra4=+) 22...Rea8 23.Nac2 (23.Ndc2!?=+) 23...Ra1-/+ (23...Nb5?! 24.Ra4 Ra4 25.Nb5 Bb5 26.Rd1=+; 23...Bb5?! 24.Ra4 (worse 24.Nb5 Nb5 25.Ra4 Ra4-+) 24...Ra4 25.Nb4= (worse 25.Nb5 Nb5 26.Rb1 Nc3 27.Rb6 Ra2-/+)) 24.Ra1 Ra1 25.Na1 Bb5 (worse 25...Nb5 26.Nb5 Bb5 27.d4=+) 26.Nac2 Bd3 27.Nb4 Bc4 28.f3 g6 29.Kf2 Kf7 30.Ke3 f5 31.h4 Kf6 32.Ndc2 (32.g3 h6-+) 32...f4! 33.Kf4 Nb5 34.g4 Nc3 35.g5 (35.Nd4!?-/+) 35...Ke6-+ 36.Nd4 Kd6 37.h5 (37.Ke3 Nd1 38.Kd2 Ke5-+) 37...Ne2 (better 37...gh5!? 38.Nbc2 b5-+) 38.Ne2 Be2 39.h6 (39.Ke3 Bc4 40.h6-+) 39...d4 40.Ke4 Kc5 41.Na2? (41.Nd3 Kc4 42.Nb2 Kb3-+) 41...Bc4 42.Nc1 b5 43.f4 Kd6 (43...b4 44.Nd3 Kd6=) 44.f5 gf5 45.Kd4 Ke7 46.Nd3 Kf7 47.Ne5 Kg8 48.Nd7 f4 49.Nf6 Kh8 50.Ng4 Be2 51.Nf2 b4 52.Ne4 b5 53.Nf2 (53.Nf6 f3 54.Ne4 Kg8-+) 53...Kg8 54.Nh3 f3 55.Ke3 Kf7 56.Nf4 (56.Kd2 Kg6-+) 56...b3 57.g6 hg6 58.h7 (58.Nd5 b2 59.Nc3 g5-+) 58...Kg7 59.Ng6 (59.Nd5-+) 59...Kh7 60.Nf8 Kh6 61.Kd2 b2 62.Kc2 f2 (62...f2 63.Kb1 f1Q 64.Kb2 Qe1 65.Nd7 Qd2 66.Kb1 Bd3 67.Ka1 Qc1 68.Ka2 Bc4) 0–1. Bondar,W (2085) – Muha,Sergey, Yuzhny Open Yuzhny UKR, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    7.Bd3 ba3 8.Na3 Bc5 9.Nb5=.

    7.Bd3 Bc5 8.0-0 Nge7 9.ab4 Bb4 10.Na3 Ng6 (10...Bc5 11.Nb5=+) 11.Re1 (11.Bg6 hg6 12.Nb5 d3=) 11...0-0 12.Nb5 d4 becomes the focus of attention 12...Bc5 (12...Nf4 13.Nbd4 Nd4 14.Bd4 Nd3 15.cd3=+) 13.Ba3 Qe7 14.Bb2 Rd8 15.Re4 Can d4 get defended? (15.Bg6 fg6 16.Re4 d3=+) 15...b6-/+ 16.h4 ½–½. Shkuro,I (2415) – Romanchuk,V (2295), TCh–UKR Alushta UKR, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6)

    7.Bd3 Nge7 8.0-0 (8.ab4 Qd5 9.Qe2 Nb4 10.Bd4 Nec6=) 8...Nf5=+ 9.Qe2 Nh4 10.Nh4 Qh4 11.f4 Bd7 12.Be4 Bc5 13.d3 (13.Qc4 ba3 14.Na3 Bb6 15.Bc6 Bc6 16.Bd4 Bd4 17.Qd4 0-0=) 13...Qe7 (13...ba3 14.Ba3 Ba3 15.Na3=) 14.ab4= Bb4 (14...Nb4 15.Qf2=) 15.Nd2 (15.Bc6 Bc6 16.Bd4 a5=) 15...h5 (15...Bc3 16.Bc3 dc3 17.Nc4=) 16.Nb1 (16.Bc6 Bc6 17.Bd4 h4+=) 16...g6 (16...Qc5 17.Qf2 Rd8 18.Ba3=) 17.Ba3 (17.Bc6 Bc6 18.Bd4 b6+=) 17...Rc8 (17...h4 18.Qf2=) 18.Rc1 (18.Bc6 Bc6 19.Bb4 Qb4 20.Ra7 Bd5=) 18...a6 19.Bb4 Qb4 20.Nd2 Na5 21.Bf3 Bc6 22.Bc6 Nc6 (22...Rc6? 23.Rcb1 Qc3 24.Ne4 Qc2 25.Qc2 Rc2 26.Ra5+-; 22...bc6?? 23.Rcb1 Qe7 24.Ra5+-) 23.Ne4 0-0 24.Rab1 (24.Nd6 Rb8+=) 24...Qe7= 25.Rf1 (25.Qf2 b5=) 25...Rc7 26.Rf3 (26.Rb3 Kg7=+) 26...Kg7 27.Nf6 Rh8 28.Rg3 Kf8 29.Qe1 Qc5 30.Qf2 Nb4 Attacking the backward pawn on c2 (30...Nb8 31.Rc1=+) 31.Ne4 (31.c4 Nc6+=) 31...Qe7= 32.Qd4 Nc2 33.Qf2 Na3 34.Rf1 Rc2 35.Qb6 Nb5 36.Nf6 Kg7 37.Kh1 Qc5 38.Qb7 Rc1 (38...Qf2! 39.Qf3 Qf3 40.Rgf3 Rhc8-/+) 39.Rgf3= Nd4 40.R3f2 a5 41.Ne4 (41.Qd7 Ne2 42.d4 Qc3-/+ (worse 42...Qd4 43.Qd4 Rf1 44.Rf1 Nd4 45.Ra1-/+)) 41...Qc7 (41...Qb4 42.Qd7 Rhc8-/+) 42.Qb2+= Rf1 43.Rf1 Nf5 44.Rc1 Qd7 45.Qa3 h4 46.Nd6 ½–½. Gajewski,G (2340) – Szromba,K (2030), ch–Poland Boys U16, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6)

    7.Bb5 Bd7

    8.0-0 a6 9.Bc6= Bc6 10.Nd4 Bd5 (10...ba3 A) 11.Nc6? ab2 (worse 11...bc6 12.Ba3 Ba3 13.Ra3+=) 12.Ra6 bc6 13.Rc6 Ne7-+; B) 11.Na3 Bd5 12.c4 Ba3 13.Ra3 Bc4 14.Qg4=+) 11.ab4+= Bb4 12.Qg4 (12.c4 Bc6 13.Nc6 bc6 14.Qg4+=) 12...g6 (better 12...Nh6 13.Qf4 Bc5=) 13.Ne6+- fe6 14.Qb4 Qg5 15.f3 Ne7 16.c4 Bc6 17.d4 0-0 18.Qd2 Qd2 19.Nd2 Nf5 20.Ne4 Rad8 (20...Ne3!? 21.Rfc1 Be4 22.fe4 b5 23.cb5 ab5+-) 21.Nf6+- Kg7 22.d5 ed5 23.cd5 Bd5 24.Nd5 Rd5 25.Rfe1 Rd2 26.Rab1 Nh4 27.e6 Kg8 28.e7 (better 28.Re4!? g5 29.Rg4=) 28...Re8= 29.Bf6 Ng2 (29...Rg2!? 30.Kh1 g5=+) 30.Re4+= b5 1–0. Gorbunova,Anna – Veretennikova,Ekaterina (1905), RUS–ch G16, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6)

    8.0-0 Qb6 9.Bc6 Bc6 10.Nd4 ba3 11.Bc3 Rd8 12.Nc6 Qc6 13.Na3 a6 (13...Ne7 14.Qe2 Nd5 15.Qe4=) 14.Qe2+= Ne7 15.Rfb1 Nd5 16.Qf3 (16.Qe4 Rc8 (worse 16...Nc3 17.Qc6 bc6 18.dc3+=) 17.Bb2 b5=) 16...Ba3 (16...Rd7 17.Rb3=) 17.Ra3 Nc3 (17...0-0!?=) 18.Qc6+= bc6 19.dc3 Ra8 (19...0-0 20.Ra6 Rd5 21.Rc6 Re5 22.Kf1+=) 20.Rb6 (20.Kf1 f6+-) 20...Kd7 (20...a5 21.Kf1+-) 21.Rb7+- Kc8 22.Rf7 Rd8 23.Kf1 (23.g3 Rd7 24.Rf8 Rd8+-) 23...Rd7 24.Rf8 Rd8 25.Rf4 Kc7 26.Rfa4 (26.Rb3 Ra7+-) 26...Kb6 (26...Rd1 27.Ke2 Rad8 28.Rg4 R1d2 29.Ke3 Rc2 30.Rg7 Kb6 31.Rh7+-) 27.Rb3 Kc7 28.Rab4 (28.Rab4 Rab8 29.Rg4+=) 1–0. Paulesu,Sebastiano (1965) – Laine,Jari (1925), FICGS, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 Bc5 9.ab4 Nb4-/+ 10.Na3 (better 10.Bd7 Qd7 11.c3=+) 10...Ne7 (10...a6 11.c3 Bb5 12.Nb5 Nd3=+ (worse 12...ab5 13.Ra8 Qa8 14.cb4 Bb4 15.Qe2+=)) 11.Bd4+= Bd4 12.Nd4 0-0 13.c3 Nbd5 (13...Nbc6 14.Nc6 Bc6 15.Bc6 Nc6 16.d4+=) 14.Qe2 (14.Qg4 a6 15.Bd3 Nc6=) 14...Ng6 15.Nf3 (15.Rfe1 a6 16.Bc4 Ndf4=) 15...a6 16.Bd7 Qd7 17.g3 (17.Rfb1 b5=) 17...Rac8 (17...b5 18.Rfb1=) 18.c4 Nde7 (18...Nb4 19.d4=) 19.d4 Rfd8 (19...f6 20.ef6 Rf6 21.Rfd1=) 20.Rfd1 (20.Rfb1 Nf5 21.Nc2 b5=) 20...Qa4 (20...Qc6 21.h4=) 21.h4+= Nf5 22.h5 Nge7 (22...Nf8 23.Qe4+=) 23.g4 Nh6 24.Ng5 Qc6 25.Rab1 Rd7 (25...Rc7 26.Qd3 g6 27.hg6 Ng6 28.Qh3=+) 26.f3 Rcd8 27.Nc2 (27.Qe4 g6+=) 27...Qc7 (27...Rc7 28.c5+=) 28.Ne4 (28.Qd3!? Kf8 29.Nh7 Ke8 30.Qe3+-) 28...Nc6 29.Nd6 Exerts pressure on the backward pawn 29...f6?? (better 29...b6=) 30.Rb7+- Qa5 31.Rd7 (better 31.Qe4!? Rb7 32.Nb7 Qc7 33.Nd8 Nd8 34.ef6 Nhf7+-) 31...Rd7 32.Qe4 (32.Ra1 Nd4 33.Ra5 Ne2 34.Kf2 Nf4 35.Ra6 Rd8+-) 32...Qc7 (32...Nd8 33.Ra1 Qd2 34.Ra6+-) 33.Ne3 (better 33.Ne8!? Qc8 34.ef6 Qe8 35.Qc6 gf6 36.Ra1+-) 33...fe5 (33...Nf7 34.f4 fe5 35.fe5+-) 34.de5 Nf7 (34...a5 35.c5+-) 35.Nf7+- Rf7 (35...Rd1 36.Nd1 Kf7 37.f4+-) 36.Rd6 Nd8 37.Ra6 Rd7 38.Kf2 (38.f4 Qc5 39.Rd6 Rd6 40.ed6 Qd6+-) 38...Qc5 39.Ke2 (39.Rd6 Rd6 40.ed6 Qd6+-) 39...Rd4 40.Qc2 (better 40.Ra5! Qb6 41.Rb5+-) 40...Qe5+= 41.Kf2 Qh2 42.Ng2 Qc7 43.c5 (43.Qa4 Rd7+=) 43...Qd7 (43...Rd5 44.c6+=) 44.Rd6 (44.Ke1 Qd5 45.Rd6 Qe5 46.Qe2 Qc5 47.Rd4 Qd4+=) 44...Rd6 45.cd6 ½–½. Calvi,Stefan (1990) – Strater,Heinz (2060), 10th Neumarkt am Wallersee Open, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 Bc5 9.ab4 Nb4 10.Bd7 Qd7 11.d3 Ne7 12.Nbd2 0-0 (12...Nec6 13.Nb3 Bb6 14.Re1=+) 13.Ne4 (better 13.Nb3!? Rfc8 14.Qd2=) 13...b6-/+ 14.Qd2 Nbc6 (14...a5 15.Rfb1-/+) 15.Qg5 (15.Nc5 bc5 16.Ba3 Qd5-/+) 15...Ng6 16.Qh5 (16.Rfd1 Qc7 17.c3 Nce5 18.Nd4 Qd8-/+) 16...Be7 (16...Qd5 17.Rfe1-+) 17.Bc1 (17.Ba3!?-/+) 17...Qd5-+ 18.Nfg5 (18.c4 dc3 19.Nc3 Qd3-+) 18...Bg5 (18...h6 19.Nf3-+) 19.Ng5 h6 20.Nf7 Kf7 21.f4? (better 21.Ba3-/+) 21...Nce7-+ 22.g4 White prepares the advance f5 (22.Ra6 Kg8-+) 22...Kg8 23.f5 (23.Ra6 Qc6 24.Rf2 Qb5-+) 23...ef5 24.gf5 Qe5 25.Ba3 (25.Qg4 Rf5 26.Rf5 Nf5 27.Bh6 Rc8 28.Qg6 Rc2-+) 25…Rf5 (25...Rf5 26.Rf5 Qf5-+) 0–1. Meyer,Willfried (1805) – Petersen,SoB (2275), 11th Lichtenberger Sommer, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 Bc5 9.Bc6!? Bc6 10.ab4=.

    8.0-0 Bc5 9.Qe2 ba3 10.Na3 (10.Ba3 Bb6=+) 10...Nge7 11.Qe4 Will d4 fall? 11...a6 12.Bd3 Nf5 13.Qf4 h6 14.Bf5 g5 15.Qe4 ef5 16.Qd5 Qe7 17.Nb5 Be6 (17...Nb4 18.Qb7 0-0 19.Nfd4-+) 18.Nd6 (18.Nc7! Qc7 19.Qc5=+) 18...Bd6-/+ 19.Qd6 Qd6 20.ed6 Kd7 21.Nd4 Nd4 (21...Rhc8 22.Ne6 fe6 23.Bg7-/+) 22.Bd4 Rhc8 (worse 22...Kd6 23.Bh8 Rh8 24.Rfb1+=) 23.c3 Kd6 24.Rfb1 b5 25.Ra5 Bd5 26.Re1 Bb7 27.f3 Re8 28.Kf2 Re6 29.c4 bc4 30.Rf5 Re1 31.Ke1 Bd5 32.Rf6 Be6 33.Rh6 Rb8 (33...a5 34.Rh5-/+) 34.Rh8 (34.Ke2 Rb5=+) 34...Rb1 (34...Rh8!? 35.Bh8 a5-/+) 35.Kf2 Rb3 36.Ra8 Ra3 37.Bc3 Kc6 38.Rg8 a5 39.Rg5 Bd5 (39...a4 40.h4 Rb3 41.h5+-) 40.Ke3 (40.h4 Rb3 41.Ba5 Be6+-) 40...Rb3+- 41.Kd4 Rb5 42.Rg8 (better 42.h4!?+-) 42...Kd7+- 43.Rg5 Ke6 (43...Kc6 44.h4 Be6 45.Rb5 Kb5+-) 44.Re5 ½–½. Bennett,Hilton (2065) – Lukey,Stephen G (2220), Canterbury op, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 Ne5 9.Ne5 Bb5 10.Nf7 Kf7 11.Qh5 g6 12.Qb5 Qb6 (12...Qd5 13.Qd5 ed5 14.Bd4 Nf6 15.ab4 Bb4+=) 13.Qc4 (better 13.Qb6!? ab6 14.Bd4+=) 13...Bg7 (13...Rd8 14.ab4 Bb4 15.Ba3=+) 14.ab4= Ne7 15.Na3 Rhc8 16.Qb3 Nd5 17.b5 a6 18.Rfe1 ab5 19.Nb5 Ra1 20.Ba1 Rc6 21.Bb2 (21.Rb1 Kg8=) 21...Bf6 (21...Nc7 22.Qf3 Kg8 23.Nc7 Rc7 24.Ra1=+) 22.Ba3 (better 22.Re4=) 22...Nc7?? (better 22...Kg7=) 23.Qb4+- e5? (23...Rc5 24.Qc5 Qc5 25.Bc5 Nb5+-) 24.Qf8 Ke6 25.Qc8 Kd5 (25...Kf7 26.Qd7 Kg8 27.Nd6 Rd6 28.Bd6+-) 26.Qd7 Kc4 27.Nc3 (better 27.Rb1 Qb5 28.Qf7 Ne6 29.d3 Kc3 30.Rb5 Bg5+-) 27...Qa5 (27...Qa6 28.Rb1 Qa3 29.Qf7 Ne6 30.Qb7 Qa4 31.Na4 Kd5+-) 28.Bf8 Qa8 (28...Bg7 29.Bg7 Ne6 30.Bf6+-) 29.Ne4 (better 29.Qf7 Ne6 30.Rb1 Qa5 31.Qb7 Rb6 32.Rb4 Rb4 33.Qc6 Qc5 34.Qe6 Qd5 35.Qd5) 29...Qe8 (29...Qf8 30.Rb1 Qb4 31.Qf7 Kb5 32.Rb4 Kb4 33.c3 Ka3 34.Nf6 dc3 35.dc3 Rc3+-) 30.Nd6 Rd6 31.Qd6 Qc6 32.d3 (32.d3 Kc3 33.Qb4 Kc2 34.Qb1 Kd2 35.Bb4 Qc3 36.Qd1) 1–0. Buecker,Stefan (2345) – Uhlmann,Wolfgang (2510), GER–ch, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 Nge7 9.Qe2 Ng6 (9...Nf5 10.g4 Nh4 11.Bc6 Bc6 12.Nh4-/+) 10.Qe4 Will d4 fall? (10.Nd4 Nf4 (10...Nge5?! 11.Ne6 fe6 12.Be5=) 11.Qc4 ba3 (11...Ne5?! 12.Qb3-/+) 12.Na3 Qg5=+) 10...a6 11.Bd3 Qc7 Can e5 get defended? (11...ba3 12.Bd4 Nb4 A) 13.Qb7? A1) 13...Nd3?! 14.cd3 Rb8 15.Qe4= (worse 15.Qa6 Bb5 16.Qa7 Bc6-/+); A2) 13...Bc6 14.Qb6 Qb6 15.Bb6 Nd3-+; B) 13.Qe3 Nd3 14.Bb6=+) 12.Re1 Bc5 13.h4 (13.ab4!? Nb4 14.Bd4=) 13...h5 14.g3 (worse 14.Bd4 Nd4 15.Nd4 Qe5-/+) 14...Rd8 15.Qe2 ba3 16.Ba3 Nce7 17.Ng5 (17.Bc5 Qc5 18.c3 dc3 19.Nc3 Bc6=+) 17...Ba3 18.Na3 b5 19.Qf3 Rf8 20.Qh5 Ne5?? (better 20...Rc8=) 21.Re5!+- g6 (21...Qe5 22.Nf7 Decoy) 22.Qe2 (22.Nh7 Nc6 (22...gh5?? 23.Nf6) 23.Qh6 Ke7+-) 22...f6?? (better 22...Bc6+-) 23.Re6 (23.Re6 Be6 24.Qe6+- (worse 24.Ne6 Qd6+-)) 1–0. Gajewski,G (2340) – Szoen,D (2150), ch–Poland Boys U16, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 Nh6 9.Bc6= (worse 9.Bd4 Nd4 10.Nd4 Bb5 11.Nb5 a6 12.Nd6 Bd6 13.ed6 Qd6 14.ab4 Qb4-/+) 9...Bc6 10.Nd4 Bd5 11.ab4 Bb4 (11...Qg5!? 12.Nf3 Qf4=) 12.c4+= Bc6 13.Nc6 bc6 14.Qa4 Qb6 15.Ba3 (15.Bd4 Qb7+= (15...Qd4? 16.Qc6 Ke7 17.Qb7 Qd7 18.Qb4 Ke8 19.c5+-)) 15...Ba3= 16.Qa3 c5 (16...Qd4 17.Qc3 Nf5 18.Ra6=) 17.Qa4+= Ke7 18.Nc3 Rhd8 19.Ne4 (19.Qc2 Qc7 20.Rfe1 Qd7 21.Qh7 Nf5 22.Nd5 ed5+-) 19...Qc7 (19...Qb2 20.Nc5 Qe5 21.Nb7+=) 20.f4 Nf5 21.Qa3 The isolani on c5 becomes a target 21...Re8? (21...Rdc8 22.Ng3 Qd7 23.Nf5 ef5 24.Qh3+=) 22.Qh3 (better 22.Nc5 Qc6 23.d4+-) 22...Qd7+= 23.Rae1 (23.Kh1 Qd4 24.Rfe1 a5+=) 23...Qd4 24.Kh1 (24.Rf2 Reb8+=) 24...h5 (24...Qc4 25.g4 (25.Qh7?? Rh8 26.Qh8 Rh8-+) 25...Nd4 26.Qh4 Kf8 27.Qh7+=) 25.Rf3 (25.Ng3 Ng3 26.Qg3 g6=) 25...h4 26.Qg4 (26.Rb3 Qc4 27.Rb7 Kf8=) 26...Rh8 (26...Reb8!? 27.Nd6 Nd6 28.Qh4 Kd7 29.ed6 Rb7+=) 27.Qg5 Kf8 28.Rb3 Rh6 29.Reb1 f6 30.ef6 gf6 (30...Qe4?? 31.fg7 Ng7 32.Qh6+-) 31.Rb8 Rb8 32.Rb8 Ke7 33.Rb7 Kf8 ½–½. Bisby,Daniel L (2250) – Kustanovich,Michael (2235), SW Young Masters 9th, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.ab4 Bb4 9.0-0 (9.Bd4 Nd4 10.Nd4 Bb5 11.Nb5 Qg5=+) 9...Nge7 (9...Bc5 10.Qe2=+) 10.c3 (10.Bd4 Nd4 11.Nd4 0-0=) 10...dc3=+ 11.dc3 Bc5 12.Qe2 (12.Ba3 Qb6 13.Bd3 Ng6 14.Bg6 hg6=+) 12...Ng6 13.Rd1 Qc7 e5 becomes the focus of attention 14.c4 0-0 15.Nbd2 a6 16.Ba4 Rfd8 17.Ne4 (17.Bc2 Nce7=+) 17...Be7-/+ 18.Nd6 Nce5! 19.Ne5 (19.Be5 Ba4 Decoy; 19.Ne5 Bd6 Remove defender) 19...Ba4 20.Nef7 Bd6 (worse 20...Rd6 21.Nd6 Qd7 22.Ra4 Bd6 23.Raa1+-; 20...Bd1 21.Nh6 Kf8 22.Qe6+-) 21.Nd8 (21.Rd6 Qf7 22.Rd8 Rd8 23.Ra4-+) 21...Nf4-+ (21...Rd8?! 22.Ra4 Bh2 23.Kh1 Rd1 24.Qd1=) 22.Qe4? (better 22.Qe3 Rd8 23.Rd2-+) 22...Bd1 23.Nb7 Bc2! (23...Bc2 24.Qc2 Qb7-+) 0–1. Tate,E (2350) – Kiriakov,P (2550), CCA Vermont Open, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Bc6 Bc6 9.0-0!? Qb6 10.Nd4 ba3 11.Bc3=.

    8.Bc6 Bc6 9.d3 ba3 10.Na3 (10.Ba3 Ba3 11.Ra3 Ne7-/+) 10...Bb4 (10...Qa5 11.Kf1=+) 11.Kf1 Bc5 12.Nc4 Nh6 13.Nd6 (13.Nd4!? Bd4 14.Nd6 Qd6 15.ed6 Bb2 16.Rb1-+) 13...Bd6-+ 14.ed6 0-0 (14...Qb6 15.Ba3-+) 15.Ba3 (better 15.Bd4!? b6 16.Bb2-/+) 15...Qf6-+ 16.Nd2 (16.Qe2 Rfc8-+) 16...Nf5 17.Nf3 e5 18.h4 (18.Qe2 e4 (18...Nd6?! 19.Qe5 Qe5 20.Ne5-/+) 19.de4 A) 19...Nd6 20.e5 Bf3 21.gf3+/- (21.ef6 Be2 22.Ke2 Rfe8 23.Kd3 Ne4-/+); B) 19...d3-+) 18...Nd6 19.Ng5 (19.h5 Rfd8-+) 19...Nf5 20.Kg1 Rfe8 21.Ne4 Be4 22.de4 Nd6 (22...Nh4?! 23.Qh5-/+) 23.Qe2 Rec8 24.Rb1 Rc7 25.Rh3 Rac8 26.Bd6 Rc2 (26...Rc2 27.Qg4 Qd6 28.Rb7 a6-+) 0-1. Andersson,L (2000) - Petersson,Baldur Teodor (2255), Goteborg Open, 2019. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5 5.e5 d4)

    8.Bc6 Bc6 9.Nd4 Qg5-/+ (9...Bg2?! 10.Rg1 Qd5 11.Qe2=) 10.Nc6 Qg2 (10...bc6 11.0-0+-) 11.Rf1 Qc6 12.ab4 Bb4 13.Qg4 Bf8 14.Nc3 Nh6 15.Qa4 Qa4 16.Ra4 Be7 17.Rg1 0-0 18.Ne4 Nf5 19.Ke2 a6 20.c3 Rfd8 21.Ba3 Ba3 (21...b5!? 22.Be7 Ne7-/+ (worse 22...ba4 23.Bd8 Rd8 24.d4+=)) 22.Ra3= Rac8 (22...b6 23.Rb1 Rdb8 24.Nd6=+) 23.Rb1 Rc7 24.Rb6 h6 (24...Ne7 25.Rab3 Rb8 26.Nd6=) 25.Rab3+= Rdd7 26.Rb2 (26.d4!?+=) 26...Ne7= 27.Nd6 Attacking the backward pawn on b7 (27.Rd6 Ng6 28.d4 Rd6 29.ed6 Rd7=) 27...Ng6=+ 28.Nb7 (28.Rb7 Rb7 29.Nb7 Nf4 30.Ke3 Nd3=+) 28...Ne5 (28...Nf4!? 29.Kd1 Nd5-/+) 29.Na5 Nd3 30.Rb8 Kh7 31.R2b6 (31.R2b7 Rb7 32.Rb7 Rb7 33.Nb7 Ne5=+) 31...Nc5 (better 31...Rc5!? 32.Nb3 Re5 33.Kd1 Nf2 34.Kc2 Rh5-+) 32.Ra8 Rd5 33.Nb3 Nb3 34.Rb3 Rh5 (34...Re5 35.Kf3-/+) 35.Ra6=+ Rh2 36.Ra4 (36.Rab6 Kg6=+) 36...Rh5 37.c4 Rf5 38.Rc3 Rf4 39.Ke3 e5 40.d3 (40.Ra5 f6 41.c5 h5=+) 40...f6 (40...h5 41.Rc1-/+) 41.Ra1 (41.Rca3!?=+) 41...h5-/+ 42.c5 Rb4 (42...Kg6 43.c6-/+) 43.Rac1 h4 (43...g5 44.Rc4 Rb5 45.c6-/+) 44.Rc4=+ Rc4 45.Rc4 g5 (45...Kg6 46.Rh4 Rc5 47.Rg4 Kf7 48.Rb4=+) 46.Ke4= Kg6 47.c6 (47.Kd5 h3 48.Rc1 h2=) 47...h3-/+ 48.Kf3 (better 48.Kd5!? h2 49.Rc1-/+) 48...f5-+ 49.Kg3 g4 50.f3 gf3 (50...f4 51.Kg4 h2-+) 51.Kh3=+ Kf6 52.Kg3 Ke6 53.Kf3 Kd5 54.Ke3 (54.Rh4!?=+) 54...Rc6-/+ 55.Ra4 Rc5 (55...f4!? 56.Kf3 Rc3-/+) 56.Kd2 Rb5 57.Ke3 (57.Ra8 Rb2 58.Ke3 Rb3=+) 57...f4-/+ 58.Kd2 (58.Kf3 Rb3 59.Ke2 Rb8-/+) 58...Rb2 59.Kc3 (59.Ke1 Rc2-/+) 59...Re2 (better 59...Rh2-+) 60.Ra5?? (better 60.Ra8-+) 60...Ke6 61.Rb5 (61.Ra8 Kf7 62.Ra7 Kg6-+) 61...f3 62.Rb8 Kf5 63.d4 (63.Rf8 Kg4 64.Rf6-+) 63...e4 64.Rf8 (64.d5 f2 65.Rf8 Ke5-+) 64...Ke6 65.Re8 (65.Kc4-+) 65...Kf7 66.Re5 f2 67.Rf5 Ke6 68.Rf4 e3 0–1. Faccia,Sergio (2035) – Ranieri,Fabrizio (2225), 26th Open A, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Bd4 Nd4 9.Nd4 Bb5 10.Nb5 a6 11.Nd6 Bd6 12.ed6 Qd6-/+.

    8.Qe2 ba3=+ 9.Na3 Ba3 10.Ra3= Nge7 11.Nd4 (11.Bd4 Nd4 12.Nd4 a6+=) 11...Qb6 (11...Nd4 12.Bd4 Bb5 13.Qb5 Nc6 14.Ra7 Ra7 15.Ba7+=) 12.Rb3 (12.Nb3 Ne5 13.Qe5 Qb5 14.Qg7 Rg8 15.Qh7 Bc6=) 12...Qc5 13.0-0 0-0 (worse 13...Nd4 14.Bd7 Kd7 15.Bd4+-) 14.Nc6 Bc6 15.d4 (better 15.Ba3!? Bb5 16.Qb5 (16.Bc5?! Be2 17.Be7 Bf1 18.Bf8 Bc4=+) 16...Qb5 17.Rb5+-) 15...Qd5 16.Bc6 Qc6 17.Rh3 (17.Ba3 Rfe8+=) 17...Rac8 18.Qh5 (18.Ba3 Rfe8 19.Be7 Re7+=) 18...h6 (18...Qc2!? 19.Ba3 Rfe8=+) 19.c3 Rfd8 20.Bc1 Ng6 21.g4 Rd4 22.Bh6?? (better 22.cd4 Qc1 23.Qg6 fg6 24.Rc1 Rc1 25.Kg2-/+) 22...gh6-+ 23.Qh6 Rg4 24.Rg3 Rg3 (24...Rg3 25.fg3 Qc3-+) 0–1. Chulivska,Vita (2275) – Andersson,C (2170), Breizh Masters Women, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Qe2 ba3 9.Na3 Bc5 10.0-0 Nh6 11.Bd3 f5 (11...a6 12.Be4=+) 12.ef6 (12.Nb5 Qb6=) 12...Qf6 13.Nc4 (13.Nb5 0-0 14.Ra4 Nf5=+) 13...Nf7 14.Qe4 The pressure on d4 grows (14.Be4=+) 14...0-0-0 (better 14...b5!? 15.Na3 Nd6-/+) 15.Rfb1 (15.c3 e5+=) 15...g5 (15...e5 16.Ba3 Ba3 17.Ra3= (worse 17.Na3 Nd6 18.Qd5 Bg4-/+)) 16.Ba3 (16.c3 e5+=) 16...Ba3= 17.Ra3 e5?? (better 17...Qf5+-) 18.Ra7+- (18.Ra7 Qe6 19.Rbb7 Na7 20.Nb6 (20.Ra7?! Bc6 21.Qf5 Bd7+-) 20...Qb6 21.Rb6+-) 1–0. Schmedders,Hans Gerd (2235) – Kwiatkowski,Feliks J (2220), Hastings Challengers, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Qe2 ba3=+ 9.Bd4 a6 10.Bc6 Bc6=+ (worse 10...bc6 11.Na3 Nh6 12.0-0+=).

    8.Qe2 a6 9.Bc6 Bc6 10.ab4 d3 11.cd3 Bb4=+.

    8.Qe2 a6 9.Bc6 Bc6 10.Nd4 Bg2-/+ 11.Rg1 ba3 12.Na3 Bd5 13.c4 Qb6 14.cd5? (better 14.Bc3!? Bc6 15.Nab5 Bb5 16.Nb5=+) 14...Qb2-+ 15.Nac2 Bc5 16.de6 Bd4 17.ef7 Kf7 18.Qc4 Kf8 19.Ke2 Re8 (19...Ba7 20.Qf4 Ke8 21.Rg7 Qb5 22.Ke1 Qd5=) 20.Rgb1 Re5 21.Kf1 Rc5? (21...Qc2 22.Qc2 Ba1 23.Rb7 Re7 24.Rb8 Re8 25.Re8 Ke8 26.Qa4 Ke7 27.Qa1 Nf6 28.Qa6 Rd8+-) 22.Qc5!+- Bc5 23.Rb2 1–0. Santos,Carlos P (2330) – Dias,Paulo, Lisboa VI Finalissima, 1996. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Qe2 a6 9.Bc6 Bc6 10.Nd4 Bg2-/+ 11.Rg1 Bd5 12.ab4 Qh4 (worse 12...Bb4 13.c4 Bc6 14.Rg7+=) 13.c4 (13.h3 A) 13...Bb4 14.c4 (worse 14.Rg7 Qh3 15.Nc3 Qh1 16.Qf1 Qf1 17.Kf1 Ne7-/+) 14...Bc6 15.Nc6 bc6 16.Qf3+= (worse 16.Rg7 Qh3 17.Qe4 Ne7=+); B) 13...Qh3 14.Ra3 Qh4-/+) 13...Qh2 14.Kf1 Qh5?? (better 14...Bh1-/+) 15.Ke1 (better 15.Qh5 Bc4 16.Ke1+-) 15...Qh2?? (better 15...Qe2!? 16.Ke2 Bc4 17.d3 Bd5-+) 16.Kf1-/+ Qh3 (16...Bh1!?-/+) 17.Ke1=+ Qh2 ½–½. Re,Luis – Miana,Elias (2240), ARG–ch sf Rosario, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Qe2 a6 9.Bd3 Bc5 (9...ba3 10.Ba3 Be7 11.0-0=) 10.ab4= Nb4 11.Bd4 (worse 11.Nd4 A) 11...Nd3?! 12.Qd3 (12.cd3?? Qb6 13.Bc3 Bd4-+) 12...Bc6 13.0-0=+; B) 11...Qb6 12.Nb3 Nd3 13.Qd3 Bf2 14.Kf1 Bb5-/+) 11...Bd4 12.Nd4 Qb6 13.Qe4?? (better 13.Nb3=) 13...Nd3 (13...f5!? 14.ef6 Nf6 15.Qe3-+) 14.Qd3-/+ Qb2 15.Nb3 Qe5 16.Kd1 Bb5 17.c4 Rd8 18.Qc2 Bc6 19.Nc3? (better 19.f3-+) 19...Bg2 20.Ra5 (20.Rg1 Bf3 21.Kc1 Qh2 22.Rg7 Ne7-+) 20...Qf4 (20...Bf3 21.Kc1 b5 22.Rf1 Qh2 23.d3 Qf4 24.Qd2 Qd2 25.Kd2 bc4 26.Nc5-+) 21.Re1 Nf6 0–1. Dannevig,Oystein (2245) – Djurhuus,Rune (2405), NOR–ch, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.Qe2 Qb6 9.0-0 Rd8 10.ab4 Bb4 11.Na3 Nh6 (11...a6!? 12.Bd3 Qc7=) 12.Nc4+= Qc7 13.Bc6 Bc6 14.Nd4 0-0 15.Nc6 Qc6 (15...bc6 16.d3+=) 16.c3 b5 17.Ne3 (17.cb4 bc4 18.Ra7 Qb6+-) 17...Bc5+= 18.Ba3 Ba3 19.Ra3 Qc5 (19...Rd7 20.Rfa1+=) 20.Nc2 Qc4 (20...Nf5 21.d4 Qb6 22.Rfa1+=) 21.Re1 (21.Qc4 bc4 22.Ne3 Rd2 23.Ra7 f6+-) 21...Qd3 (21...Qe2!? 22.Re2 Rd7=) 22.Qd3+- Rd3 23.Re2 (23.Ra7 Rd2 24.Na3 Ng4+-) 23...Rfd8 (better 23...Rd7!?=) 24.Ra7+- g6 25.h3 Rd2 26.Rd2 Rd2 27.Ne3 (27.Na3 Rd5+-) 27...Nf5 28.Ng4 Rc2 (28...Kg7 29.Ra5+=) 29.Nf6 Kg7 30.Ra8 (30.Ne4 Re2 31.Ng5 Re5 32.Nf7 Re1 33.Kh2 Re2+-) 30...Ne7 (30...Rc3!? 31.g4 Rc1 32.Kh2 Ne7 33.Ne8 Kh6+=) 31.Ne8+= Kh6 32.Nd6 Rc3 33.Nf7 Kg7 34.Ng5 Nc6 35.Rc8 (35.Ne6!? Kf7 36.Ng5 Ke7 37.f4+-) 35...b4+= 36.Rc7 (worse 36.Ne6 Kh6 37.Rc7 Ne5=) 36...Kg8 37.Rb7 b3 38.Ne4 Rc1 39.Kh2 Ne5 (39...h6!?+=) 40.Nf6+- Kf8 41.Nh7 Kg8 42.Nf6 Kf8 43.Rb3 Kg7 44.Ne4 Rc7 45.Re3 Nf7 46.h4 Rc6 47.g4 e5 48.Ra3 Rc7 49.Ra6 Re7 (49...Rd7 50.h5 gh5 51.gh5+-) 50.Kg3 Nd8 51.Ng5 Rd7 52.Kf3 Rd3 (52...Rb7 53.h5 gh5 54.gh5+-) 53.Ke2 (better 53.Ke4!? Rd2 54.Ra7 Kf8 55.Nh7 Ke8 56.Nf6 Kf8 57.Nd7 Ke8 58.Ne5 Re2 59.Kd5 g5+-) 53...Rd7 54.Ke3 Re7 55.f3 Nb7 (55...Kh6 56.Ke4+-) 56.Ra7 (56.h5!? gh5 57.gh5 Kh8+-) 56...Rd7 (better 56...Kf8+-) 57.Ra6 (57.Ne6 Kf7 58.Rb7 Rb7 59.Nd8 Kf6 60.Nb7 e4+-) 57...Nd6?? (57...Re7 58.h5 gh5 59.gh5 Kh8+-) 58.Rc6+- Nb5 59.Rc5 (59.Ke4!? Nd4 60.Rb6 Ne2+-) 59...Nd6 60.Ke2 Re7 61.Rd5 Nf7 (61...Ne8!? 62.Ra5+-) 62.Nf7 Kf7 63.Ke3 Kf6 (63...Re8 64.h5 gh5 65.gh5+-) 64.Ke4 Rh7 (64...Re6+-) 65.Rd6 Ke7 66.Rg6 1–0. Martens,Martin (2410) – Span,P (2315), TCh–NED, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    8.0-0 ba3

    9.Ba3 Ba3 10.Ra3 Nge7 11.Re1 a6 12.Bf1 Ng6 13.Rd3 (13.Bd3 Nh4=+) 13...Nf4 (13...0-0 14.Nd4 Nce5 15.Rh3-/+) 14.Rb3 Qc7 15.Na3 (15.c3 dc3 16.Nc3 0-0=+) 15...0-0 16.Re4 Ng6 17.Qe2 (17.Nd4 Nge5 18.Qh5 Ng6-/+) 17...b5 18.h4 (18.Nd4 Nce5 19.Qh5 Qd6-/+) 18...f5 (18...Na5 19.h5 f5 20.Rd4 Nb3 21.cb3-+) 19.ef6-/+ gf6 20.Nd4 Nd4 (20...f5 21.Ne6 Be6 22.Re6-/+) 21.Rd4 e5 22.Rdb4 Be6 23.Rg3 (23.c4 bc4 24.Nc4 Ra7=+) 23...Kh8-/+ 24.c4 bc4 (24...Qd6 25.Rgb3-/+) 25.Nc4=+ a5 26.Ra4 Nf4 27.Qe4 Bd5 (27...Bd7 28.Raa3=+) 28.Qf5 (28.Qc2 h6=+) 28...Be6 (28...Qc6!? 29.Qc2 Rg8-/+) 29.Qe4=+ Bd5 30.Qf5 Be6 (30...Qc6 31.Qc2 Rg8 32.Qd1-/+) 31.Qc2 (31.Qe4!?=) 31...Bd7=+ 32.Raa3 a4 33.Rac3 Nd5 34.Rcf3 (34.Ra3 Bc6=+) 34...Rac8 35.Qb2 Rb8 36.Qa1 Bc6 37.Ra3 Rb4 38.Ne3 Nf4 39.Qd1 Bd7 (39...Rfb8 40.Qc2-/+) 40.Ra1 (40.Nc2 Rb2 41.Rgc3 Qb7-/+) 40...Qb7 41.Bc4 ½–½. Savory,R (2100) – De Lagontrie,J (1970), Monarch Assurance Isle of Man, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7 8.0-0 ba3)

    9.Ba3 Ba3 10.Na3 Nge7 11.Qe2 0-0 12.Qe4 Nf5 (12...Ng6 13.c3-/+) 13.Qf4 (13.Bd3!? f6 14.Rfb1 Ne5 15.Ne5 fe5 16.Rb7=) 13...a6 14.Bd3 Nce7 (14...f6 15.Bf5 ef5 16.ef6 Qf6 17.Rfe1+=) 15.Nd4= Ng6 16.Qe4 Qc7 17.Nc4 b5 18.Nd6 (18.Nf5? ef5 (18...bc4 19.Ne7 Kh8 20.Ng6 fg6 21.Bc4+/-) 19.Qd4 bc4 20.Qc4 Qe5 21.Ra6 Nf4-+) 18...Nd6 19.ed6 Qb6 20.Qe3 Qd6 21.Be4 Rab8 22.c3 (22.Bg6 hg6 23.Rfc1 e5+=) 22...f5 23.Bc2 e5 24.Nb3 Rbd8 25.Qa7 Bc8 26.d4 Rf7 27.de5 Ra7 28.ed6 Rd6 29.Nd4 Rc7 30.Rfe1? (better is 30.Nf5 Bf5 31.Bf5 Rc3 32.Be4-+) 30...Rd4! 31.Re8 Kf7 32.Rc8 Rc8 33.Bb3 Rdc4! 34.Ra6 Kf8 (34...Kf8 35.Bc4 Rc4 (worse is 35...bc4 36.g3-+) 36.Ra8 Kf7 37.Ra7 Ne7-+) 0–1. Dorsch,Thomas – Mar,Craig (2420), Northern California Masters, 1990. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    9.Ba3 Ba3 10.Na3 Nh6 11.Bd3+= a6 12.Qe2 b5 13.Qe4 Nf5 14.h4 Nb4 (14...Rc8 15.h5=) 15.Nd4 (better 15.Nb5 Bc6 16.Nd6 Nd6 17.Qd4 Nd3 18.ed6+=) 15...Nd4=+ 16.Qd4 Nd3 17.Qd3 0-0 18.Qd6 Qc8 (18...Be8 19.Qd8 Rd8 20.Rfd1=+) 19.h5 (19.c4 Rd8 20.Qe7 Bc6=+) 19...h6 20.Rfe1 (20.Rab1 Rd8=+) 20...Bc6 21.Re3 Rd8 22.Qb4 Qd7 23.Rd3 Qc7 (23...Qa7 24.Rd6 Rd6 25.ed6-/+ (25.Qd6? Qb7-+)) 24.Re3 (24.Rd6!?=) 24...Rd5 25.d4 Rad8 (better 25...Qd8!? 26.c3 Qg5-/+) 26.c3= a5 27.Qb2 b4 (27...Rb8 28.Rg3=) 28.Nc2 (28.Nc4 Bb7 29.Nd6 R8d6 30.ed6 Qd6=) 28...bc3 (28...Rb5 29.cb4 Qb6 30.Rb3=+) 29.Rc3= Qd7. Gajewski,Grzegorz (2435) – Kulesza,Mateusz (2205), Poland–ch sf U20, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7 8.0-0 ba3)

    9.Na3 Bc5

    10.c3 dc3 11.Bc3 a6 12.Bc6 Bc6-/+ (12...bc6?! 13.Nc4+=) 13.d4 Ba3 14.Ra3 Ne7 15.Ng5 0-0 16.Bb4 h6 17.Rh3 (17.Nh3-/+) 17...hg5 (better 17...Nf5!? 18.Nf3 Re8-+) 18.Qh5=+ f5 (better 18...f6 19.ef6 Rf6 20.Be7 Qd5=+) 19.Bd6?? (better 19.ef6 Rf6 20.Be7=+) 19...g4-+ 20.Rh4 Qe8?? (better 20...Bd5-+) 21.Qh7 Kf7 22.Rh6 Nd5?? (22...Qd8 23.Rf6 Ke8 24.Re6 Rf7 25.Qg8 Rf8 26.Qg7 Rf7 27.Qg8 Rf8 28.Qg6 Kd7 29.Re7 Qe7 30.Be7 Ke7+-) 23.Rg6 Rg8 (23...Qe7 24.Rg7 Ke8 25.Re7 Kd8 26.Re6 a5 27.Bf8 g3+-) 24.Qh5 Rh8 25.Rh6 Kg8 26.Rh8 1–0. Helin,Mikael – Karlsson,Tomas, SWE–ch op Vaxjo, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6)

    10.c3 dc3 11.Bc3 a6 12.Be2 b5 13.Nc2 Nge7 14.d4 Bb6 15.Ne3 0-0 16.Qb3 Qc7 17.Rfc1 Qb7 18.Bd3 Rfd8 19.Qb1 h6 20.Be4 Qa7 21.Bb4 (21.Bh7!? Kh8 22.Be4+=) 21...Rac8-/+ (worse is 21...Bd4 22.Nd4 Qd4 23.Be7 Ne7 24.Ba8 Ra8 25.Rd1=) 22.Bc5 (22.Bd6!?-/+) 22...Nd4-+ 23.Be7?? (better is 23.Bb6 Qb6 24.Nd4 Rc1 25.Qc1 Qd4 26.Qb1-+) 23...Rc1 24.Qc1 Ne2 25.Kf1 Nc1 26.Bd8 Be3 (worse is 26...Bd8 27.Rc1 a5 28.Ke2-+) 27.fe3 Qe3 28.Ba5 b4 (28...b4 29.g3 Qe4 30.Rc1 Qf3 31.Kg1 Qe3 32.Kg2 Qc1 33.Kf2 Qd2 34.Kg1 Bc6 35.Kf1 Bb5 36.Kg1 Qe1 37.Kg2 Qf1) 0–1. Nyberg,U (2130) – Westerinen,H (2280), Allinge DEN, Faergen Cup, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 d4)

    10.Nc4 Nh6 11.Nd6 (11.Ba3 Ba3 12.Ra3 0-0=+) 11...Bd6=+ 12.ed6 0-0 13.Re1 Nf5 14.Bd3 Nd6 15.Nd4 Qg5 16.Nf3 Qd5 (16...Qe7 17.Ne5=) 17.Ne5 Be8 (17...Bc8 18.Nc6 Qc6 19.Qh5=) 18.Ra4 (18.c4!? Qc5 19.Qc2+=) 18...Nf5 (18...f6 19.Nc4 Bh5 20.Qb1=+) 19.Rf4 Qd6 (19...Ne5!? 20.Re5 Qd6=) 20.Qg4 f6 21.Nc4 Qd7 22.Ba3 Rf7 23.Rf5 ef5 24.Bf5 Qd4 25.Qh3 g6 (25...h6 26.Be6+=) 26.Be6+- Rd8?? (better 26...Kg7 27.c3 Qf4+-) 27.Qh6+- (27.Bf7 Bf7 28.Ne3 Qd2=+) 27...Kh8 28.Bb2 (28.Bb2 Qb2 29.Nb2+-) 1–0. Van den Berg,Ha (2165) – Hoeksema,E (2370), Harmonie Open A, 2007. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7 8.0-0 ba3 9.Na3 Bc5)

    10.Nc4 Nge7

    11.Nd6 Bd6 12.ed6 Nf5 13.Bc6 Bc6 14.Nd4 Nd4 15.Bd4 Qd6=.

    11.Nd6 Bd6 12.ed6 Nf5 13.Bc6 Bc6 14.Nd4 Nd4 15.Bd4 Qg5 16.f3 0-0 17.Ra7 Ra7 18.Ba7 Rd8 19.Qa1 Rd6 20.Bb6 h5 (20...h6 21.Be3 Qg6 22.d3=) 21.Qa8 (21.Be3 Qg6 22.Qa8 Kh7=) 21...Kh7= 22.Be3 Qf5 (22...Qg6 23.Qf8 e5 24.Qe7=) 23.Qf8 Rd7 24.c3 e5 25.Ra1 e4 (25...b6 A) 26.Bb6 Rd2 27.Bf2 Qc2 28.Qf7 Rd1 (28...Rf2?! 29.Qh5 Kg8 30.Ra8 Ba8 31.Qe8 Kh7 32.Qh5 Kg8 33.Qe8 Kh7 34.Qh5 Kg8=) 29.Be1 Ra1 30.Qh5 Kg8 31.Qe5 Qd2 32.Qe6 Kf8 33.Qf5 Ke8 34.Qe5 Kd7 35.Qg7 Kc8 36.Qf8 Kc7 37.Qg7 Kb6 38.Qd4 Qd4 39.cd4 Re1 40.Kf2 Rh1-+; B) 26.Qb4=) 26.f4 Rd2 (26...b5!?=) 27.Bd2+= e3 28.Qb4?? (better 28.Qe7 ed2 29.Qe2+-) 28...ed2-+ 29.Kf2 (29.Qb1 Qb1 30.Rb1-+) 29…Qc2 (29...Qc2 30.Ke3 d1Q 31.Rd1 Qd1-+) 0–1. Wagner,M – Namyslo,Holger (2245), Oberschwaben ch, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7 8.0-0 ba3 9.Na3 Bc5)

    11.Nd6 Bd6 12.ed6 Nf5 13.Bd3 0-0 14.Bf5= ef5 15.Nd4 Nd4 16.Bd4 Bb5 17.Re1 ½–½. Dovzik,Juri (2365) – Kecskes,Gabor (2110), Eger op, 1994. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    11.Nd6 Bd6 12.ed6 Nf5 13.Bd3 Qb6 14.Rb1 Qc5 15.Bf5 ef5 16.Qe2 Kd8 17.Bd4 Qd6 18.Bg7+-.

    11.Nd6 Bd6 12.ed6 Nf5 13.Bd3 Nd6=+ 14.Nd4 0-0 15.Nc6 Bc6 16.Qg4 Ne8 17.Qh3 f5 18.Rfe1 Nc7 19.Be5 Nd5 20.c4 Nf6 21.Rad1 Qd7 22.Bb1 (22.Bc2!?=+) 22...Ba4-/+ 23.d4 (better 23.Rc1!?-/+) 23...Bd1-+ 24.Rd1 Ng4 25.Bg3 (25.Qg3 Ne5 26.Qe5 Rad8-+) 25...Rac8 (25...Qa4 26.Re1-+) 26.Ba2 Qa4 27.Rd2 Qa3 (better 27...e5 28.Bh4 ed4-+) 28.Rc2 (28.Kf1-+) 28...Qd3 29.Rc1 Qd2 (29...Qd2 30.Ra1 Qb2-+) 0–1. Seps,M (2195) – Zatonskih,A (2505), Frauenbundesliga, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.Bb2 Nc6 7.Bb5 Bd7)

    6.ab4 Bb4

    7.Ba3 Nc6 8.Bb4 Nb4 9.Na3 Ne7 (9...Nc6 10.Bd3=) 10.Nb5= Nbc6 11.Nd6 (11.Qe2 f6=) 11...Kf8=+ 12.Bd3 (12.Qe2 Ng6 13.Nb5 f6=+) 12...Ne5-/+ 13.Ne5 Qd6 14.Qh5 g6 15.Qh6 Kg8 16.Qf4 Nf5 17.Bf5 ef5 (17...gf5?? 18.Qg3 Kf8 19.Ng6 fg6 20.Qd6 Kf7 21.Qd4+-) 18.Ra4 (18.0-0 Kg7 19.Rfe1 Rd8-/+) 18...Kg7 (18...f6!? 19.Nd3 Qc6 20.Rd4 Kf7-/+) 19.Rd4 (19.Qd4?? Qd4 20.Rd4 Re8-+) 19...Qf6 (19...Qb8 20.Kd1-/+) 20.Rd3 (20.0-0 g5 21.Qe3 f4=+) 20...Re8-/+ 21.Re3 g5 22.Qd4 f4 23.Re2 Bf5 (23...Qb6 24.Nf3 Qd4 25.Nd4-/+) 24.d3 (24.h4 Qb6 25.Nf3 f6 26.Qb6 ab6 27.Re8 Re8 28.Kd1 Bg4=+) 24...Rad8-/+ 25.Qb2 Rd5 26.Nc4 (26.d4 Qd8 27.c4 Qa5 28.Rd2 Rdd8-+) 26...Qb2 (26...Re2 27.Ke2 b5 28.Qf6 Kf6 29.Na5-/+) 27.Nb2-/+ Ra8 28.Kd2 b5 29.Rhe1 Be6 30.Re5 Kf6 31.Rd5 Bd5 32.f3 h5 (32...g4 33.fg4 Bg2 34.d4-/+) 33.c4 bc4 34.dc4 Be6 Black intends g4 35.Kc3 Rc8 36.Ra1 g4 (36...Rc7!?-/+) 37.Ra7= Kg5 (37...gf3 38.gf3 Bd5 39.Ra6 Rc6 40.Ra1=) 38.Ra5+= Kh4 39.Re5 gf3 40.gf3 Kh3 41.Re2 h4 42.Kd4 Bf5 (42...Rd8 43.Kc5=) 43.c5 Rg8 44.Re5 (44.c6 Rg2 45.Rg2 Kg2+=) 44...Bc8 45.Rh5 (45.Re4 Rd8 46.Kc3 Rd5=) 45...Bb7 46.Ke5 (46.Nd3 Rd8 47.Kc3 Bf3=+) 46...Bf3-/+ 47.Rh7 Be2 48.Kf4 Rb8 49.Na4 Rb4 50.Ke3 Bg4 51.Nb6 (51.Nc3 f5 52.Nd5 Rc4-/+) 51...f5 52.Nd5 Rc4 53.Kf2 Rc2 54.Ke3 Rc5 55.Nf4 Kh2 56.Rh4 (56.Nd3 Rc4 57.Rh4 Kg3-/+) 56…Kg3 (56...Kg3 57.Nd3 f4 (57...Kh4?! 58.Nc5 Bh3 59.Ne4=) 58.Kd4 Kh4 59.Nc5 f3-+) 0–1. Ovejero,Juan Manuel – Bhat,Vinay, U16, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Ba3 Nc6 8.Bd3 Nge7 9.0-0 Ng6 10.Bg6 hg6 11.Qe2 (11.Bb4 Nb4 12.Na3 Qd5=) 11...Qd5 12.c4 d3 13.cd5? (better 13.Qe3 Qc4 14.Rc1=+) 13...de2-+ 14.Re1 ed5 15.Bb4 Nb4 16.Nd4 Rh4 17.Nf3? (better 17.Nb5 Nc2 18.Re2 Na1 19.Nc7 Kd8 20.Na8-+) 17...Nc2 18.Nh4 (18.Nc3 Rc4-+ (18...Na1?! 19.Nh4 Nc2 20.Re2-/+; worse 18...Ne1 19.Re1 Rc4 20.Nd5-+)) 18...Ne1 (18...Na1?! 19.Nc3 Nc2 20.Re2-/+) 19.Na3 Nd3 20.Nf3 Bd7 21.Ne1 Ne1 22.Re1 Rc8 0–1. Lerch,Pa (2355) – Mullon,J (2400), ch–FRA Accession, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Ba3 Be7 8.Bd3 (8.c3 Nc6=+) 8...Nc6=+ 9.Qe2 Nh6 10.Be7 Qe7 11.Na3 f5 (11...Nf5 12.Nb5+=) 12.Nb5+= Qd7 13.Nd6 Kf8 14.Ng5 Qe7 (14...Qc7 15.0-0+=) 15.f4 Nd8 (15...Bd7 16.0-0+-) 16.0-0 Ndf7 (16...a5!?+-) 17.Ra7!+- Ra7 (better 17...Rb8 18.Ndf7 Nf7+-) 18.Nc8 Qa3 19.Ne6 (19.Ne6 Kg8 20.Nc7+-) 1–0. Johansson,Robin – Arnelind,Mikael, SWE–chJ Borlange, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Na3 Nc6 8.Nb5 a6 9.Bb2 Increases the pressure on d4 9...Bc5 10.Ra4 Can d4 get defended? 10...Qb6 11.Bd4 (11.Ba3 Ba3 12.Ra3 Nh6=+) 11...Nd4=+ 12.Nfd4? (better 12.Nbd4!? Bd7 13.Rc4=+) 12...Bd7-+ 13.Qg4 Ne7 (13...Kf8!? 14.Ra1-+) 14.Ra1?? (better 14.Qg7 Ng6 15.Bd3-/+) 14…0-0-+ 0–1. Wagner,M – Namyslo,Holger (2215), Oberschwaben ch, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Na3 Ne7 8.Bb2 Nbc6 9.Bd3 (9.Nb5 Bc5=) 9...Ng6 (9...f6 10.ef6 gf6 11.c3 dc3 12.dc3=+) 10.Bg6=+ hg6 11.Qe2 (11.Nb5 d3=+) 11...Bc5=+ 12.Nb5 Now all is on d4 12...Kf8 (12...a6 13.0-0=+) 13.Ba3 Qb6 14.0-0 (14.Nc7 Rb8 15.Qb5 A) 15...Qc7? 16.Bc5 (16.Qc5?! Ke8+-) 16...Ke8 17.Bd6+- (17.Bd4?! Bd7 18.Qc5 b6=); B) 15...Qb5 16.Nb5 Ba3 17.Ra3 Rh5=) 14...Ba3 15.Na3 Qc5 16.Rfb1 f6 17.Rb5 Qe7 18.Nc4 Rb8 (18...Qc7 19.Qe4+=) 19.Qd3 (19.Na5!? Ra8 20.Nc6 bc6 21.Qe4+-) 19...Bd7= 20.Rb2 b5 21.ef6 gf6 22.Na5 Na5 (22...e5 23.Qg6 Rg8 24.Nc6 Bc6 25.Qf5=) 23.Ra5+= The pressure on b5 grows 23...Be8 (23...e5 A) worse 24.Ra7 e4 25.Rd7 A1) 25...Qd7?! 26.Qe4 Kf7 27.Qd4 (27.Nd4?? Rbe8 28.Qe3 Qd4 29.Qb3 Kg7-+) 27...Qd4 28.Nd4=; A2) 25...ed3 26.Re7 Ke7-+; B) 24.Qg6 Be8 25.Qe4=) 24.Qd4 Kf7?? (better 24...Rb7+=) 25.Ra7+- (25.Qa7?! Qa7 26.Ra7 Kg8+-) 25...Rb7 26.Ng5!! fg5 27.Rb7 (27.Qh8 Ra7 28.Rb3 g4-/+) 27...Qb7 28.Qh8 Qe4 29.Rb1 (better 29.Qh7!? Kf8 30.Kf1 Qh4+-) 29...Bc6 30.f3 (30.Qh7 Kf6 31.Qh3 Qc2 32.Qh8 Kf7+-) 30...Qc2 31.Qb2 Qc5 (better 31...Qb2 32.Rb2 e5+-) 32.d4 Qd5 33.h3 Kf6 (33...Ke8 34.Rc1+-) 34.Qb4 (34.Rc1 Ke7+-) 34...Kf7 35.Rc1 Be8 36.Rc5 Qd8 37.Qd2 Kg7 38.Rg5 b4 39.Re5 Qb6 1–0. Langer,Christian (2070) – Bischof,Detlef (2200), NRW–ch, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Na3 Ne7 8.Nb5 Nbc6 9.c3 Bc5 10.Ba3 Ba3 11.Ra3 dc3 12.Nd6 Kf8 13.d4 Nf5 (13...Nd5!?-/+) 14.Nf5= ef5 15.Bc4 (15.Rc3 Be6=) 15...g5 (15...c2 16.Qc2 Nd4 17.Qa2-/+) 16.Qc1 (16.d5 Ne5 17.Ne5-/+) 16...h6 (16...g4 17.Qh6 Kg8 18.Rc3 A) 18...gf3 19.gf3 Qd4 20.Rg1 Qg4 21.fg4 f4 22.g5 a6 23.g6 hg6 24.Rg6; B) 18...Nd4 19.Ng5 Ne6 B1) 20.Be6 fe6 21.0-0 Qf8 22.Rc8 Rc8 (22...Qc8 23.Ne6 Qd7 24.Qg5 Kf7 25.Qg7 Ke6 26.Qf6 Kd5 27.Rd1 Ke4 28.Rd7+-) 23.Qe6 Kg7+-; B2) 20.Ne6 Be6 21.Be6+-; C) 18...Qf8 19.Qf8 Kf8=) 17.d5= (worse 17.Qc3 g4 18.d5 gf3 19.dc6 fg2-/+) 17...g4 18.Qc3 (better 18.dc6 gf3 19.cb7 Bb7 20.g3=) 18...gf3-/+ 19.e6 (19.dc6 fg2 20.Rg1 Rg8 21.Qb4 Qe7 22.Qe7 Ke7=) 19...Rg8-+ 20.dc6 (20.gf3 Ne7 21.Qf6 Rg7 22.ef7 Nc6 (22...Rf7?! 23.Qh6 Rg7 24.Qf6 Rf7 25.Qh6 Rg7 26.Rg1=) 23.Qh6 Qe7 24.Kd1 Qb4 25.Qh8 Kf7 26.Qh5 Ke7 27.Qh4 Kf8 28.Qh8 Kf7 29.Qh5 Rg6 30.Qh7 Kf6 31.Qh8 Ke7 32.Re3 Be6 33.Qh7 Kd8 34.Qg6 Qb1 35.Kd2 Qb2 36.Kd1 Qb1 37.Kd2 Qb2 38.Kd1 Qb1=) 20...fg2 21.Rg1 Qe7 (21...bc6 22.ef7 Qe7 23.Kd1+-; 21...fe6?! 22.cb7 Bb7 23.Be6-+) 22.Qe3 Qb4 (22...bc6?! 23.Qh6 Ke8 24.Rg2=+) 23.Rc3 Rg4 (23...Be6 24.Be6 f4 25.Qc5 Qc5 26.Rc5 bc6-/+ (26...fe6?! 27.cb7 Rb8 28.Rg2 Rg2 29.Rc8 Kg7 30.Rb8 Rg1 31.Kd2=)) 24.Bd5-/+ bc6 25.ef7 (25.Bc6 Rb8 26.Rg2 Be6 27.Qh6 Ke7 28.Qd2-+) 25...Bd7 (25...Be6 26.Qh6 Rg7 27.Qh8 Kf7 28.Be6 Kf6 29.Qh6 Rg6-+) 26.Qh6= Ke7 27.Qe3 Kf6 28.f3? (28.h3 Rd4 29.Rg2 cd5 30.Qh6 Ke7 31.Qg5 Ke6 (31...Kf7 32.Qg7 Ke8 33.Qe5 Kf7 34.Rg7 Kf8 35.Qf6 Ke8 36.Qf7 Kd8 37.Qd7) 32.Qg6 Ke7 33.Qg5 Ke6 34.Qg6 Ke7 35.Qg5=) 28...cd5 (better 28...Rd4 29.Qh6 Ke5 30.Qe3 Kd5 31.Rg2 Rf8-+) 29.fg4 Kf7?? (better 29...d4 30.Qh6 Ke5 31.Rg2 Qc3 (31...dc3?! 32.Qg7 Kd5 33.f8Q Qb1 34.Ke2 Qb5 35.Ke3 Rf8 36.Qf8 Qb6 37.Kf4 fg4 38.Qg8 Kc5 39.Qg7 Qd6 40.Qe5 Qe5 41.Ke5-+) 32.Rd2 Rf8-+) 30.Kf2?? (better 30.Qd2 Re8 31.Kf2-/+) 30...d4-+ (30...Qg4 31.Rc7 Qh4 32.Kg2+=) 31.Qh6 (31.Qf4 Qb2 32.Kg3 Qc3 33.Kg2 Qc2 34.Kg3 Rh8-+) 31...Qb2 32.Kg3 Qc3 (32...dc3?! 33.Qh7 Ke8 34.Qh8 Ke7 35.Qa8-+) 33.Kh4 (33.Kf2 Rg8 34.Rg2 Qc2 35.Kg1 Rg4 36.Rg4 Qd1 37.Kf2 fg4 38.Qh7 Ke6 39.Qg8 Ke7 40.Qg7 Kd6 41.Qf8 Kc7 42.Qc5 Kb7 43.Qb4 Kc6 44.Qc4 Kd6 45.Qb4 Ke6 46.Qc4 Kf6-+) 33…d3 (33...d3 34.Qd6 Bc6 35.Qc7 Ke6 36.gf5 Kd5 37.Qf7 Kc5 38.Rg2 Qh8 39.Kg3 Rg8 40.Qg6 Qe5 41.Kh4 Qf4 42.Rg4 Rh8 43.Qh5 Qh2 44.Kg5 Rh5 45.Kg6 Be8 46.Kf6 Qd6 47.Kg7 Qe7 48.Kg8 Qf7) 0–1. Hernandez Gonzalez,W (2325) – Alarcon Casellas,Rol (2440), 48th Capablanca Open I, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Bb2 Bc5 8.Bd3 (8.Bb5 Bd7 9.Bd4 Bd4 10.Nd4 Qb6 11.Bd7 Nd7+=) 8...Nc6= 9.0-0 Nge7 10.Re1 (10.Na3 Ng6 11.Qe2 0-0=) 10...Ng6 11.Be4 (11.Na3 0-0=+) 11...Nce5 12.Ne5 Ne5 13.Qh5 Nd7 14.c3 (14.Na3 h6=+) 14...g6 (14...Bd6 15.Qb5-/+) 15.Qh6=+ Bf8 16.Qh3 Qb6 17.Bg6? (better 17.Ba3 Nf6 18.Bc2-/+) 17...Nf6 (worse 17...Qb2 18.Bf7 Kd8 19.Ra4-+) 18.Na3 fg6 (worse 18...Qb2 19.Nc4 Qb5 20.Re6 Kd8 21.Bf7 Qc4 22.Qh4 Be6 23.Qf6 Kd7 24.Be6 Qe6 25.Qh8-+; worse 18...hg6 19.Qh8 Qb2 20.Nc4+-) 19.Nc4 Qc7 20.Re6 Kf7 21.Rf6 Kf6 22.Qh4 Kf7 23.Qd4 Be6 (23...Bg7 24.Nd6 Kf8 25.Qe3-+) 24.Qh8 Qc4 25.d3 Qd3 26.c4 Qf5 27.Qh7 Ke8 28.Qb7 Rd8 29.Qa7? (better 29.Re1 Rd7 30.Qa6-+) 29...Bc5 30.Qa4 (30.Qb7 Bf2 (30...Qf2?! 31.Kh1-+) 31.Kh1 Qd3 32.Qc6 Kf8-+) 30…Bd7 (30...Bd7 31.Qa6 Qf2 32.Kh1 Bb6-+ (32...Qb2?! 33.Qg6 Kf8 34.Rf1 Bf2 35.Qh6 Ke8 36.Qg6 Ke7 37.Qg5 Ke8 38.Qg6 Ke7 39.Qg5 Ke8 40.Qg6=)) 0–1. Ciuffoletti,Paolo (2160) – Vallejo Pons,Francisco (2490), Saint Vincent op, 1999. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Bb5 Nc6 8.Qe2 (8.Bb2 Bc5=+) 8...Nge7 (8...Bd7 9.c3 Bc5 10.Ba3=+) 9.0-0 (9.Bb2 0-0=+) 9...0-0=+ 10.Bb2 Bc5 11.Na3 (11.c3!?=+) 11...a6 12.Bd3 Ng6 13.g3 (13.Nb5 Nh4-/+) 13...f6 14.Bg6 hg6 15.Qe4 (15.Rfe1 g5 16.h3 f5-/+) 15...f5 (15...Qd5 16.Rfe1-+) 16.Qf4-/+ Qd5 17.Nb5 Increases the pressure on d4 17...ab5 (better 17...Rf7!?=+) 18.Ra8+- b6 19.Rc8 (better 19.Rfa1+-) 19...Rc8=+ 20.Re1 (20.Ra1 Nb4 21.Ne1 d3-/+) 20...Be7 (20...d3 21.Ng5 dc2 22.Qh4=+) 21.h4 (21.Bd4? g5! 22.Qe3 g4 23.Bb6 gf3-+) 21...Nb4 (21...d3!? 22.c3 Qa2-/+) 22.Nd4=+ (22.Bd4? Nc2 23.Rc1 Rc4 24.Rc2 Rc2-+) 22...Rc4 23.Rb1?? (23.d3 Rd4 24.Qd4 Qd4 25.Bd4 Nc2 26.Bc3 Ne1 27.Be1-+) 23...Nc2-+ 24.d3 Rd4 25.Qc1 Rd3 26.Qc2 Bc5 (26...Bc5 27.Kh2 Rd2 28.Qd2 Qd2-+) 0–1. Hoiberg,Nina (2290) – Williams,Simon (2335), Nordre Efteraar, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.c3 Bc5 8.Bb5 (8.Ba3 Bb6=) 8...Bd7 9.Qa4 (9.cd4 Bb6 10.Nc3 Ne7=) 9...Nc6 (9...a6 10.Bd7 Qd7 11.Qd7 Nd7 12.cd4=+) 10.Ba3 Ba3 (10...Qb6 11.Bc5 Qc5 12.Bc6 (worse 12.cd4 Qc1 13.Qd1 Qd1 14.Kd1 Ne5-/+) 12...Bc6 13.Qd4 Qd4 14.Nd4= (worse 14.cd4 a5-/+)) 11.Ra3 (11.Na3 dc3 12.dc3 Nge7=+) 11...Nge7 (11...a6 12.Bc6 Bc6 13.Qd4 Qd4 14.Nd4 Bg2 15.Rg1=+) 12.0-0 (12.Qb3 dc3 13.Nc3 a6=+) 12...0-0 (12...a6 13.Re1-/+) 13.cd4 (13.Qb3 Nf5=+) 13...Nf5 (13...a6 14.Bc6 Bc6 15.Qb3-/+) 14.d5=+ ed5 15.Bc6 Bc6 16.Qf4 Ne7 17.h4 (17.Nc3 Ng6 18.Qe3 Qe7=+) 17...Ng6 18.Qg3 d4 19.h5 Ne7 20.Nh4 (20.h6 Nf5 21.Qf4 g6-/+) 20...h6 21.f4 f5 (21...f6 22.Re1-/+) 22.Re1 Qe8 (22...a5 23.Nf3-/+) 23.Ng6 (23.Nf3!?=+) 23...Ng6-/+ 24.hg6 a5 25.Rf1 (25.Rd3 Rd8-/+) 25...Ra6 26.Rd3 (26.Re1 Be4 27.Qb3 Kh8-+) 26...Bd5 (26...Be4 27.Rd4 Rg6 28.Qb3 Qf7 29.Qf7 Kf7 30.Re4 fe4 31.Nc3-+) 27.Qf2 (27.Rf2 Rg6 28.Qh3 Qa4-+) 27...Rg6 28.Rg3 Rg3 29.Qg3 Qd7 30.Kf2 (30.Na3 Rb8-+) 30...Rc8 31.Rh1 Kh7 (31...Qc6 32.Rg1-+) 32.Qd3 (32.Na3 b5 33.Qd3 b4-+) 32...Be4 33.Qb3 Rc6 Black plans d3 (33...b5 34.Re1-+) 34.Na3 d3 35.Nb5 (35.Qb2 Rg6 36.Rg1 Qd5-+) 35...Rg6 36.Rg1 Qe7 37.g3 (37.Qb1 Qc5 38.Kf1-+) 37...Qc5 38.Kf1 Qc1 (38...Qc1 39.Kf2 Qd2 40.Kf1 Qe2) 0–1. Parramon Guillaumet,J (1960) – Bhat,V (2535), 15th Open Balaguer ESP, 2010. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Bd3 Nc6 8.0-0 Nge7 9.Na3 Ng6 10.Re1 0-0 11.Rb1 (11.Nb5 Qb6=+) 11...Bc5-/+ 12.Be4 (12.Nb5 Qe7-/+) 12...Nce5 13.Ne5 Ne5 14.Bh7 Kh7 15.Re5 Be7 (15...b6 16.Qf3 Bd7 17.Qh3 Kg8 18.Rh5-/+) 16.Qh5 (16.Nc4 Kg8-/+) 16...Kg8 17.Rb3 f6 18.Re4 f5 ½–½. Hoogendoorn,Joost (2425) – Rodgaard,John (2345), Classics IM Gausdal NOR, 2003. (=1.e4 e6 2.a3 d5 3.e5 d4 4.Nf3 c5 5.b4 cb4 6.ab4 Bb4)

    7.Bd3 Nc6 8.0-0 Nge7 9.c3 dc3 10.dc3 Bc5 11.Qe2 (11.Ba3 Qa5=) 11...Ng6 (11...Nd5 12.Rd1=+) 12.Ra4 (12.Rd1 Qc7 13.Bg6 hg6=) 12...Qc7 Increases the pressure on e5 13.Re1 (13.Re4 0-0=+) 13...Bd7 14.Rg4 Nce7 (14...f5 15.ef6 gf6 16.Ba3=+) 15.h4 (15.Ba3 Ba3 16.Na3 0-0=+) 15...Nf5 16.h5 Nge7 17.Nd4 (17.Nbd2 Bc6=+) 17...Bd4 (17...0-0 18.h6 g6 19.Bg5-/+) 18.cd4=+ Bc6 19.Ba3 (19.Bg5 Nd5=+) 19...g6-/+ 20.Nd2 (20.Be7!? Qe7 21.Bf5 gf5 22.Rg7-/+) 20...gh5 21.Rg5 0-0-0 (21...Nd4 22.Qh5 Qa5 23.Be7 Ke7 24.Rg7=+) 22.Qh5 (better 22.Nf3=+) 22...Rd4-+ 23.Bf5 Nf5 (23...ef5 24.Qf7 Nd5 25.Qf5 Kd8 26.e6+-; 23...Rd2?! 24.Bg4 Ng6 25.Bc1-/+) 24.Nf3 (24.Bc1 Rh4 25.Qd1 Qd8 26.Rf5 ef5-+) 24...Rd3 25.Rf5 ef5 (25...Ra3?! 26.Rf7 Qa5 27.Rc1=) 26.Bd6 Qd7 27.Rc1 (27.Nh4 a6-+) 27...Qe6 (27...f6 28.Nh4 fe5 29.Be5-+) 28.Nh4 (28.Qh4 Rg8 29.Qh7 Qg6 30.Qg6 fg6-+) 28...Kd7 29.Qg5 Re8 (29...h6 30.Qg7 Rc8 31.Ra1-+) 30.f3 (30.Qg7 h6 31.Qh7 Kd8-+) 30...h6 31.Qf4 f6 (31...Rg8 32.Kf1-+) 32.Ng6 (32.Qh6 Kd8 (32...fe5?! 33.Qh7 Kd6 34.Nf5 Qf5 35.Qf5=) 33.Qg7 Rd6 34.ed6 Qe3 35.Kh2 Qf4 36.Kh3 Qd6-+) 32...Rd5 (32...Kc8 33.ef6 Rd6 34.f7 Qg6 35.Qf5 Qf5 36.fe8Q Rd8 37.Qe2-+) 33.Qh6 (33.Nf8 Rf8! 34.Bf8 fe5-+) 33...fe5 34.Bf8 (34.Nf8 A) 34...Kd6?! 35.Ne6 (35.Qe6?? Re6 36.Ne6 Ke6-+) 35...Re6 36.Qf8 Re7 37.Qf6 Kd7 38.Qf5 Ke8 39.Qg6 Kd8 40.Kf2=; B) 34...Rf8 35.Bf8 Qh6 36.Bh6 a5-+) 34...Kc8 35.Qg5 Kb8 36.Qh5 (36.Bg7 Qd7 37.Bf6 e4-+) 36...Red8 (36...Qf7!? 37.Bb4 Rg8 38.Nf4-+) 37.Kh2 (37.Qg5-+) 37…Be8 (37...Be8 38.Nf4 ef4-+) 0–1. Arp,Frans (2060) – Wustefeld,E.M.F (2240), Arnhem NED, OSKA (A), 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Bd3 Nc6 8.0-0 Nge7 9.c3 Bc5 10.Ra4 (10.Ba3 Ba3 11.Na3 0-0=) 10...Nd5 11.cd4 (11.Be4 dc3 12.dc3 b5=+) 11...Be7 (11...Nb6 12.Ra2 Nd4 13.Ba3-/+) 12.Nc3 (12.Ba3 Bd7 13.Be7 Nce7=) 12...Nb6=+ 13.Ra2 Nb4 14.Bb1? (better 14.Bb5 Bd7 15.Bd7 Qd7 16.Ra1=+) 14...Na2-+ 15.Na2 Bd7 16.Nc3 (16.Be4 Bc6 17.Bc6 bc6-+) 16...Bc6 17.Ne4 (17.Qe2 a5-+) 17...Be4 (better 17...a5!? 18.Nc5-+) 18.Be4 Nd5 19.g3 (19.Qb3 Qd7-+) 19...0-0 20.h4 (20.Qc2 h6-+) 20...f5 (20...Qd7 21.h5-+) 21.ef6 gf6 22.Re1 Rf7 23.Bc2 Qd7 24.Qe2 Bf8 (24...Rc8 25.Bb3 Bb4 26.Nh2-+) 25.Nh2 (25.Bd3 Rc8-+) 25...Rc8 26.Bb3 Kh8 (26...a5 27.Ng4-+) 27.Bb2 Re8 28.Ng4 Bg7 29.Qf3 Rd8 30.h5 h6 (30...b5 31.Ra1-+) 31.Ne3 f5 32.Ng2 Bf6?? (better 32...a5-+) 33.Nf4=+ Attacking the backward pawn on e6 33...Re8 (33...Nf4 34.Qf4 A) 34...Bd4? 35.Be6 Qd6 36.Qd6 Rd6 37.Bd4 (37.Bf7?! Bb2 38.Bc4 b5 39.Bb5 Rd2=) 37...Rd4 38.Bf7+-; B) 34...Bg7=+) 34.g4?? (better 34.Ne6 Nc7 35.Qb7=) 34...fg4-+ 35.Ng6 Kh7?? (better 35...Kg8 36.Qg4 Rg7-+) 36.Qe4+= Kg7 37.Bd5 ed5 38.Qe8 Qe8 39.Re8 Rc7 40.Nf4 (40.Ne5 Rc2 41.Bc3 Rc1 42.Kg2 g3 43.Kg3 a6+-) 40...Rd7 41.Rc8 Kf7 (41...Bg5 42.Ng6 Kf6 43.Ne5+-) 42.Kg2 b6 (42...Bg5 43.Kg3 Bf4 44.Kf4+-) 43.Kg3 Bd8 (43...Bg5 44.Kg4 a5 45.Kf5 Bf4 46.Kf4+-) 44.Kg4 a5 (44...Bg5 45.Ng6 Rb7 46.Kf5+-) 45.Rc6 1–0. Evertsson,Kristian (2075) – Hedin,Gunnar, SWE–ch qualA, 1998. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Bd3 Nc6 8.c3 Bc5 9.Ba3 Qb6 (9...Ba3 10.Na3 Nge7 11.Nc4 dc3 12.dc3=) 10.Bc5 (10.0-0 Nge7=) 10...Qc5=+ 11.cd4 (11.Qe2!?=+) 11...Nd4-/+ 12.Qa4 (12.0-0 Nf3 13.Qf3 Qe5 14.Nc3-/+) 12...Nc6 (better 12...Bd7!? 13.Qd4 Qc1 14.Ke2 Qh1=+) 13.Nc3= Nh6 (13...Kd8 14.Qh4 f6 15.Ne4=) 14.Ne4 (14.Bb5 0-0 15.Ne4 Qd5 16.Bc6 Qc6 17.Qc6 bc6=) 14...Qb4 15.Nd6 Ke7 16.Qa2 Rd8 (16...Qc5 17.Ne4 Qd5 18.Qa3 Kd8 19.Qd6 Ke8 20.Ra3=+) 17.Rb1= Qa5 (17...Qc5 18.Nb7 Bb7 19.Rb7 Kf8 20.Qc2 Qc2 21.Bc2=+) 18.Qb2 (worse 18.Nc8 Rac8 (18...Rdc8?! 19.Rb7 Ke8 20.Qa5 Na5 21.Rb1=) 19.Qa5 Na5-/+) 18...Kf8 19.0-0 (19.Bh7 g6 20.h3=) 19...Ne5 (19...Ng4 20.Bb5=) 20.Ne5+= Rd6 21.Nc4 Qc5 22.Nd6 Qd6 23.Be4 Ng4 24.g3 (24.f4 a5=) 24...Nf6 (24...Rb8!?=) 25.Bb7+= Rb8 26.Qc2 Bd7 (26...Bb7 27.Rb7 Rb7 28.Qc8 Ne8 29.Qb7+-) 27.Rfc1 (27.Qa2 Qd4+-) 27...a5+= 28.Bf3 Rb1 29.Rb1 g6 (29...a4 30.Qc3+-) 30.Qc3+- Kg7 31.Ra1 (31.Qa5? Qd3 32.Rb8 Qf3-+) 31...a4 32.Bd1 Qa6 33.h4 h5 (33...Qd6 34.Ba4 Ba4 35.Ra4+-) 34.Ra3 (34.Qd4 Bc6+-) 34...Qb5 (34...Qb7 35.d3+-) 35.Bc2 (35.Ra4!? Bc6 36.Bc2 Bb7+-) 35...e5 (35...Qe2+-) 36.Ba4 (36.Ra4 Qe2 37.Ra1+=) 36...Qb1= 37.Kg2?? (better 37.Kh2 Qf1 38.Qe5 Qf2 39.Kh1 Qf1 40.Kh2 Qf2 41.Kh1 Qf1 42.Kh2 Qf2=) 37...Bh3!! 38.Kf3 (38.Kh3 Qh1) 38...Qh1 (38...Qe4) 39.Ke2 Qf1 (39...Bf1 40.Ke3 Nd5) 40.Kf3 Bg4 41.Ke3 Qe2 0–1. De la Fuente Mayan,A (2200) – Martin Blanco,F (2090), Sanxenxo ESP, Open, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    7.Ba3 Ba3

    8.Na3 Nc6 9.Nb5=+.

    8.Na3 Nc6 9.Bd3=.

    8.Na3 Ne7

    9.Nb5 Nbc6 10.Ra4 Pawn d4, live or die! (10.Qe2 f6=) 10...0-0 (10...Ng6 11.Nd6 Ke7 A) worse 12.Nc8 Rc8 13.Qb1 A1) worse 13...Nce5 14.Qb7 Qc7 15.Qb4 Kf6 16.Qd4= (worse 16.Nd4 Rb8 17.Nb5 Qc2-/+); A2) 13...Qb6 14.Qb6 ab6-/+; B) 12.Nd4 Nce5 13.N4b5=+) 11.Bd3 (worse 11.Nfd4 Ne5 12.Qh5 N5g6-/+; 11.Nbd4?! Bd7 12.Bb5 a6 13.Bc6 Nc6=+) 11...Ng6 12.Bg6 fg6 13.Nbd4 Bd7 14.Qa1 (14.Rc4 Nd4 15.Rd4 Qc7=+) 14...Qe7 (14...Qb8 15.Ra3=+) 15.0-0 (15.Qa3 Qf7=) 15...Nd4= 16.Rd4 Bc6 17.Ne1 Rfd8 18.Rd8 Qd8 19.Qc3 Qd5 20.Nf3 a5 21.Ra1 a4 22.Qd4 (22.d4 g5=) 22...b5 23.Qd5 (23.c3!?=) 23…Bd5=+ (23...ed5?! 24.Nd4 Be8 25.c3+=) ½–½. Barbosa,O (2310) – Gomez,Joh (2310), ch–PHI Makati PHI, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.Nb5 Nbc6 10.Nd6 (10.Qe2 f6=) 10...Kf8=+ 11.Ne4 (better 11.Qe2!? Ng6 12.Nb5=+) 11...Ng6 12.Bd3 Qc7 13.Qe2 (better 13.Bb5 Nge5 14.0-0-/+) 13...b6?? (13...Nf4 14.Qf1-+) 14.0-0? (14.Nd6 Nf4 15.Qe4 Ng2 16.Kd1 f5 17.ef6 A) worse 17...gf6 18.Nc8 (worse 18.Nd4 Qd6 19.Qc6 Qc6 20.Nc6 Bb7-/+) 18...Qc8 19.Bb5+-; B) 17...Qd6 18.fg7 Kg7=) 14...Ke7?? (14...Nf4 15.Qd1 Ne5 16.Ne5 Qe5 17.Ng3-+) 15.h4? (15.Nd6 Nce5 16.Nb5= (worse 16.Nc8 Rac8 17.Nd4 Nf4-/+)) 15...Bb7 (15...Nf4 16.Qe1 Ne5 17.Nd4-+) 16.h5 (better 16.Nd6 Nf4 17.Qe4 Nd3 18.cd3 Ne5 19.Nb7 Nf3 20.Qf3-/+) 16...b5?? (better 16...Nf4 17.Qd1 Ne5 18.Nd4 Qd7-+) 17.Nd6?? (17.hg6 hg6 18.Bb5 Ne5 19.Rfb1+-) 17...Nge5=+ 18.Nb7 (18.Nb5 Nf3 19.Qf3 Qd7=+) 18...Nf3-/+ 19.Qf3 Qb7 20.Qg3 Nb4 21.Qg5 Kf8 22.Qc5 Qe7 23.Qd4 Rd8 24.Qa7 Qa7 (24...Nd3 25.cd3 Qg5 26.Qb7+=) 25.Ra7= Nd3 26.cd3 g5 27.f4 gf4 28.Rf4 f5 29.Rb4 Rd5?? (better 29...Rg8+=) 30.Ra8+- (30.Ra8 Kg7 31.h6 Kh6 32.Rh8+-) 1–0. Rocha,Sergio (2285) – Masserey,Yvan (2235), Wch U20 Mamaia, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.Bd3 Nec6 10.Nc4=.

    9.Bd3 Ng6 10.0-0 Nc6 11.Re1 (11.Bg6 hg6 12.Nb5 Qd7=) 11...0-0 12.Re4 (12.Nb5!?=) 12...f6-/+ 13.ef6 Qf6 14.Re1 (14.Nb5 Nf4 15.Nbd4 Nd3 16.Nc6 Nb2=) 14...e5 (14...Nh4 15.Be4-/+) 15.Nc4 Bg4 16.Be4 (16.Bg6 hg6 (16...Qg6?! 17.Nce5 Qf5 18.Ng4 Qg4 19.c3=) 17.Ra3 b5-/+) 16...Nh4-+ 17.Ra3 Rae8 18.Kh1 (18.Bd5 Kh8 19.h3 Bf3 20.Bf3 e4-+ (20...Nf3?! 21.Rf3 Qe6 22.Rf8 Rf8 23.Qe2-/+)) 18...Kh8 (18...b5 19.Nb2-+) 19.Qe2 h6 (19...Bf3 20.Bf3 b5 21.Nb2-+) 20.Qf1 (20.Rb1 b6-/+) 20...Nf3 21.gf3 (21.Bf3!? Bf3 22.Rf3-/+) 21...Bd7 22.Qg2 Re7 23.Rg1 (23.Qg3 Be6 24.Nd6 Bd5-+) 23...Bf5 24.Re1 Be4 25.Re4 b5 26.Nb2 a5 27.Rg4 (27.Rb3 b4 28.Qg3 Qd6-+) 27...Qf5 28.Re4 a4 (28...b4 29.Ra1-+) 29.Qf1 Nb4 30.Qd1 Nd5 31.Nd3 Qf3 32.Qf3 Rf3 33.Ra1 Kh7 34.Rb1 (34.Kg1 Rf5 35.Rae1 Rc7 36.Ne5 Rf4 37.Rf4 Nf4-+) 34...b4! 35.Kg2 (35.Nb4 Rf2 Deflection) 35...Rf5 (35...Rd3 36.cd3 a3 37.Rb3-+) 36.Ree1 (36.Rbe1 a3-+) 36...e4 (36...Rc7 37.Rec1-+) 37.Nb4 Nf4 38.Kg3 (38.Kh1 Nh3 39.Kg2 Nf2 40.Nc6-+) 38...Re6 39.Kg4 Rf7 40.Rg1 Rg6 (40...Rg6 41.Kh4 Ng2 42.Rg2 Rg2-+) 0–1. Martens,Martin (2320) – Djurhuus,Rune (2400), Wch U20 Santiago, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.Bd3 Ng6 10.Nb5 0-0 (10...Nf4 11.Nfd4 Nd3 12.cd3=) 11.Ra4 The pressure on d4 grows (11.Bg6 fg6 12.Nbd4 g5+=) 11...Nc6 12.Nbd4 (12.Bg6 fg6 13.Nbd4 Bd7=) 12...Bd7 (12...Nge5!? 13.Ne5 Nd4=+) 13.Bg6= hg6 14.Qa1 Qb8 15.Nc6 Bc6 16.Ra3 Rd8 17.Ng5 (17.Qb2 Qc7=) 17...Rd2 (17...Bg2 18.Rg1 Bd5=+) 18.0-0?? (18.Kd2 Qd8 19.Ke2 Qg5 20.Rg3=+ (20.Ra7 Rd8 21.Ra3 Qd2 22.Kf1 Bb5 23.Rd3 Qc2-+)) 18...Qd8 19.Rg3 (19.Nf3 Bf3 20.Rf3 Rc2-+) 19...Rc2-+ 20.Qa3 (20.Qb1 Qd2-+) 20...Rd2 21.Rg4 Rd1 22.f3 (22.Qb3 Rf1 23.Kf1 Bb5 24.Kg1-+) 22…Qb6 (22...Qb6 23.Qc5 Qc5 24.Rd4 Qd4 25.Kh1 Rf1) 0–1. Lerch,Pa (2390) – Ider,B (2370), Mulhouse IM, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.Bd3 Ng6 10.Bg6 hg6 11.Nb5 Nc6+=.

    7.Bb2 Nc6

    8.c3 dc3=+ 9.Nc3 Nge7 10.Bc4 0-0 11.0-0 Qc7 12.Qe2 Nf5 13.Qe4 Rd8 14.Ne2 (14.d3 a6-/+) 14...Rb8 (14...a6 15.Rfd1-/+) 15.Bd3=+ g6 (15...Qd7 16.Bc2 Qd5 17.Bc3 Qe4 18.Be4=+) 16.g4 (16.Ba3 Ba3 17.Ra3 Qe7=+) 16...Nfe7 17.Ng3 (17.Rfc1 Qd7 18.Bb5 Qd5 19.Qd5 ed5-/+) 17...Qd7 18.Bc2 b6 (18...Bd2? 19.Rfd1+-) 19.Nh5 (19.Bc3 Nd5-/+) 19...Nd5 (19...gh5 20.Qh7 Kf8 21.Qh6 Ke8 22.Qh8 Ng8 23.Qg8 Ke7 24.Qg5 Ke8 25.Qh5+-) 20.Nf6 (20.Qd5 ed5 (20...gh5?! 21.Qe4=) 21.Nf6 Kf8 22.Nd7 Bd7-+) 20...Nf6-+ 21.ef6 Bb7 22.Ba4 Qd6 (22...Bd2?! 23.Rfd1 Nb4 24.Qe5+= (worse 24.Bd7 Be4 25.Nd2 Bc2=+; worse 24.Nd2 Qd2 25.Qe5 Qh6-/+)) 23.Qe3 Qd5 24.Bb3 Qf3 (24...Qd3 25.Bc3 Qe3 26.fe3 Bc3 27.dc3-+) 25.Qf3-/+ Nd4 26.Qe3 (26.Qd1 Bf3 27.Bd4 Bd1=+) 26...Nf3 27.Kg2 Bd2 28.Qf3 Bf3 29.Kf3 Rd3 30.Ke2 Rb3 31.Be5 Rd8 32.Rfd1 Rd5 33.Rd2 Re5 34.Kf1 Rd5 35.Rd5 (35.Ra7 h5 36.Rc2 Rb1 37.Kg2 Rc5=+) 35...ed5 36.Ra7 h6 37.Ra8 Kh7 38.Rf8 g5 39.Rf7 Kg6 40.Rd7 Rf3 (40...Kf6 41.Rd5 Ke6 42.Rd8=+) 41.Rd5= Rf6 42.Kg2 Kf7 43.Kg3 Ke6 44.Rd2 Ke5 45.h4 gh4 46.Kh4 Kf4 (46...b5 47.Rb2 Rb6 48.Rb4=) 47.Rd5 Ke4 48.Rb5 Kf4 ½–½. Nabuurs,M (2185) – Trella,T (2415), TCh–NED Meesterklasse, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    8.Bd3 Nge7+= 9.Qe2 Bc5 10.Na3 a6 11.Nc4 Rb8 12.Ba3 Nb4 13.0-0 Nec6 (better is 13...Ned5!?+=) 14.Be4+= d3 15.Bd3 Nd3 16.cd3 Ba3 17.Ra3 (worse is 17.Na3 b5+=) 17...0-0 18.Nd6 Ne7 19.Ng5 (19.Rb1 b5=) 19...f6 20.Nc8 fg5 21.Ne7 Qe7 22.Ra4 h6 (22...Qd7 23.Rg4=) 23.Rb1 Qd7 24.Ra5 (24.Ra3 Qd5=) 24...Rfc8 25.Kf1 Rc6 26.Qe4 Qc7 27.Ra4 b5 28.Rab4 (28.Raa1 Rd8+=) 28...Rc5 29.d4 Rd5 30.Ke2 (30.Qg6!? Qc6 31.Ra1+=) 30...a5-/+ 31.R4b2 Qb6 32.Kd3 (32.Ke3!?-/+) 32...Rbd8 33.Ke2 b4 34.d3 (34.f3 Rd4 35.Qe3 Qb5 36.Kf2 Qd5-+) 34...Rd4 35.Qg6 (35.Qe3 Qb5 36.Rd2 R8d5-+) 35...Qc6 (35...Rd3 36.h3-+) 36.Rb3 (36.Re1 Rd3 37.Kf1 Rd1-+) 36...Qd5 (36...a4 37.R3b2-+) 37.f3 (37.Kf1 Rd3 38.Qd3 Qd3 39.Rd3 Rd3-+) 37...Qe5 38.Kf2 (38.Kf1 Qf6 39.Qf6 gf6-+) 38...Qd5 (38...a4 39.Re1 Qf6 40.Qf6 gf6 41.Rb2-+) 39.g3 (39.Ke2 g4! 40.h3 Qe5 41.Kf1 gh3 42.gh3 Qe3-+) 39...Rf8 40.f4 (40.Kg1 Rf3 41.Qe8 Kh7-+) 40...a4 41.Rb4 Rb4 42.Rb4 Qc5 43.Kg2 Qb4 44.Qe6 Kh8 45.fg5 Qb2 (better is 45...Qd2 46.Kh3 Qg5-+) 46.Kg1 (46.Kh3 hg5 47.Qe7-+) 46...Qb1 47.Kg2 0–1. Fitzsimons,David – Jessel,Stephen (2285), Irish Championship, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    8.Bb5 Bc5

    9.0-0 Nge7 10.d3 (10.c3 0-0=+) 10...0-0 11.Nbd2 b6 12.Ne4 Bb7 13.Nfg5 Ne5 14.Qh5 h6 15.Ne6 fe6 16.Qe5 Qd5 17.Qg3 Nf5 18.Qg4 (18.Qg6 Nd6 19.c4 Qf5 20.Qf5 Rf5 21.Nd6 Bd6 22.Bd4 Kf7=) 18...Nd6 (18...Qe5 19.Nc5 bc5 20.Rfe1-/+) 19.Bd7=+ Bc8 20.Bc8 Nc8 (worse 20...Rac8 21.c4 Qe5 22.Nc5 (worse 22.Ra7 Ne4 23.Qe4 Qe4 24.de4 Rf4-/+) 22...bc5 23.Rfe1=) 21.Rfe1 e5 (21...Qf5 22.Qg3=+) 22.Ra6 (better 22.Nc5!? bc5 23.Qh5+=) 22...Bb4 23.Rea1 Qf7 24.f3 Qf5 25.Qf5 Rf5 26.Kf2 Rf7 27.Ke2 (27.R1a4 Ba5=+) 27...Rc7-/+ 28.Kd1 Ne7 29.Bc1 (29.f4 Nd5 30.fe5 Ne3 31.Kc1 Rc2 32.Kb1-+) 29...Nd5-+ 30.R6a2 a5 31.Bd2 Rac8 32.Rb2 Rc6 33.Rab1 Kf7 34.Bb4 Nb4 35.Nd2 Rc2 36.Rc2 Rc2 37.Nc4 (37.Rb4 Rd2! 38.Kd2 ab4 39.Kc2-+) 37…Rg2 (37...Rg2 38.Rb3 Rh2 39.Nb6 Rh1 40.Kd2 Ke6-+) 0–1. Los,Sander (2345) – Vanheste,Jeroen (2385), NLD–ch sf Enschede, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.c3 d3 (9...Qb6 10.Qb3 d3 11.0-0=+) 10.Qa4 (10.0-0 a6=) 10...Bd7 (10...Qb6 11.0-0 Bd7 12.Ba3 Ne5 13.Ne5 Bb5 14.Qg4=+) 11.Qg4 (11.Ba3 Qb6 12.Bc5 Qc5=) 11...Nge7 (11...g5 12.Bd3 Qb6 13.Ba3 Bf2 14.Ke2=) 12.Bd3 (12.Qg7 Rg8 13.Qh7 Rg2=) 12...Qb6=+ 13.Ra2 (13.Ba3 Bf2 14.Ke2 f5 15.ef6 gf6+=) 13...Bf2-/+ 14.Ke2 Bc5 15.Na3 Ng6 16.Nc4 Qc7 e5 becomes the focus of attention (16...Qb3 17.Rha1 b5 18.Ba3 bc4 19.Bg6 hg6 20.Bc5=+) 17.Ba3 (17.Bg6 fg6 18.Ba3 Ba3 19.Ra3 0-0=+) 17...Ba3 (17...f5 18.Qg3 Ba3 19.Ra3-/+) 18.Ra3=+ 0-0 (18...Nge5? 19.Qg7 0-0-0 20.Nce5+-) 19.Qh5?? (better 19.Bg6 fg6 20.Rb1=+) 19…Nf4-+ (19...Nf4 20.Kf2 Nh5-+) 0–1. Asauskas,H (2245) – Harikrishna,P (2500), WJun Yerevan ARM, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.Bc6 bc6 10.Ra4 d3=.

    9.Qe2 Qb6 10.Na3 Nge7 11.Nc4 Qd8 12.Ba3 (12.Na5 0-0 13.Nb3 Bb6=) 12...Ba3=+ 13.Ra3 0-0 14.Nd6 (14.0-0 a6 15.Bc6 Nc6=+) 14...f6 15.Nc8 Rc8 (worse 15...Nc8 16.Bc6 bc6 17.Qc4=) 16.ef6 Rf6 17.Bc4 Qd6 18.Ra1 Nd5 19.Ng5 Rg6 20.h4 h6 (20...Ncb4!? 21.Bb3 d3 22.cd3-+) 21.Qe4 Ne5 22.Bd5? (better 22.Nf3 Nf3 23.gf3-+) 22...ed5-+ (22...Qd5?! 23.Qd5 ed5 24.f4-/+) 23.Qf5 Rf8 24.Qh3 hg5 25.hg5 Qe6 26.Qh7 Kf7 27.Kd1 (27.Kf1 d3 28.cd3 Qf5-+) 27...a6 (27...d3 28.Qh4-+) 28.Rb1 (28.Re1 Qg4 29.Kc1 Nd3 30.cd3 Qc8 31.Kd1 Rh8 (31...Rg5?! 32.Rc1 Qd7 33.f3-+) 32.Qh8 Qh8-+) 28...b5 (28...Rg5?! 29.Rb7 Ke8 30.Qh4 Qg4 31.Qg4 Rg4 32.f3 Rg2 33.Re1-+) 29.Rb3 (29.f3 Rc8 30.Qh4 Qc6-+) 29...d3 30.cd3 (30.Qh4 dc2 31.Kc2 Qf5 32.Kd1 Rc8-+) 30...d4 31.Rb2 (31.Kc2 Nd3! 32.Rd3 Qc4 33.Rc3 dc3 34.dc3-+) 31...Nd3 32.Rc2 (32.Kc2 Nf2 33.Kc1-+) 32…Qb3 (32...Qb3 33.Qh5 Re8 34.Qf3 Kg8 35.Qd3 Qb1 36.Rc1 Qd3-+) 0–1. Lode,Peter – Vermulst,Marc, Hengelo op–B, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    9.Qe2 Bd7 10.Ba3 Bb6 11.0-0=+.

    9.Qe2 Nge7 10.c3 (10.Qc4!? Qd5 11.Qd5 ed5 12.Bd4 Bd4 13.Nd4=) 10...0-0=+ 11.Ra4 Bd7 (11...dc3 12.Nc3 a6 13.Ne4-/+) 12.cd4=+ Bb4 (12...Bb6 13.Nc3=+) 13.Nc3 (13.Bc3 a5=+) 13...a6=+ 14.Bd3 (14.Bc6 Nc6 15.Ra2 Be8=+) 14...Ng6 (14...Bc3!? 15.dc3 Ne5-/+) 15.Bc2 b5 16.Ra1 Nce7 17.h4 (17.Na2 Ba5=+) 17...Bc6-/+ 18.Qd3 (18.Qe3 h5-/+) 18...Nf5 19.Ne2 Bd5 20.h5 Bc4 21.Qe4 Bd5 22.Qg4 (22.Qd3 Nge7 23.g4=+) 22...Nh6-/+ 23.Qg3 (23.Qh3 Ne7=+) 23...Ne7 24.Ng5 (24.Nh4 Bc4-/+) 24...Nef5-+ 25.Qf4 Be7 26.Ne4 Be4?? (better 26...a5-/+) 27.Be4 Bg5 28.Qf3 Ra7 29.g4 Ne7 30.Ba3 f5 (30...f6 31.Qb3 fe5 32.Bc5+-) 31.ef6 (31.gf5!? ef5 32.Qb3 Nf7 33.Bg2+-) 31...Rf6= 32.Qg3 Bf4 33.Qd3 (33.Nf4 Qd4 34.Bh7 Kh7 35.Qd3 Nef5 36.Qd4 Nd4-/+) 33...Ng4 34.Rg1 (34.f3 Nh6 35.Bc5 Rd7 36.Ra6 Nd5+-) 34...Nf2= 35.Kf2 Bh2 (35...b4 36.Bh7 Kh8 37.Bb2 Bh2 38.Ke1 Bg1 39.Ng1=) 36.Kg2 Bg1 37.Rg1 (better 37.Bc5!? Rd7 38.Kg1=) 37...Nf5=+ 38.Bc5 White prepares the advance d5 38...Raf7 39.Qh3 (39.Kh1 Rh6 40.Qh3 Qh4 41.Qh4 Nh4-/+) 39...e5 (39...Nd6!? 40.Bd6 Rf2 41.Kh1 Re2 42.Bh7 Kh7 43.Qd3 Kh8 44.Qe2 Qd6 45.Qg4-+) 40.d5 Qc7 (40...a5 41.Rc1-/+) 41.Rc1 Qa5 42.Qc3 Nh4 43.Kg1 Qd8 (43...Qc3 44.dc3 Rc7 45.Bb4-/+) 44.Ng3 (44.Qe5 Nf3 45.Bf3 Rf3=) 44...h6 (44...a5 45.Qe5 b4 46.Re1=+) 45.Bb4 Nf3 46.Kg2 Nh4 47.Kh1 g6 (47...g5!?=) 48.Qc8 Qc8 49.Rc8 Kg7 (49...Kh7 50.Bc3 Rf8 51.Rc7 R6f7 52.d6+- (52.Be5?! Rc7 53.Bc7 Rf2+-)) 50.hg6+- Rf8?? (better 50...Rg6 51.Bg6 Ng6 52.Nh5 Kh7+-) 51.Nh5 (51.Nh5 Kg8 52.Nf6 Kh8 53.Rf8 Kg7 54.Ne8) 1–0. Reinderman,Dimitri (2390) – Ronneland,Daniel, Hallsberg op, 1991. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.Bb2 Nc6 8.Bb5 Bc5)

    7.c3 dc3

    8.Qa4 Nc6

    9.Bb5 cd2 10.Nbd2 Bd2 11.Bd2=+ Nge7 12.Ba5 b6 13.Bb4 Bd7 14.Rd1 (better 14.Be7 Ne7 15.0-0-/+) 14...Rc8 (14...a6 15.Bc6 Nc6 16.Qb3-+) 15.0-0? (better 15.Be7!? Ke7 16.0-0=) 15...Nd5-/+ 16.Rd5 (16.Bd6 Nce7 17.Ng5 Nc3-+) 16...ed5 17.Bc6? (better 17.Rc1 Nb8 18.Rc8 Qc8 19.Qa7-/+) 17...Bc6-+ 18.Qa6 h5 (18...Qd7 19.Ra1-+) 19.Nd4 Bd7 20.Qd3 (20.Bd6 Rc4 21.Nb5 h4-+) 20...Rc4 21.Bd6 Rh6 22.f4 b5 23.Kh1 Qb6 24.Ne2 (24.Nf5 Bf5 25.Qf5 Qd8-+) 24...Rd6 (24...Bg4!? 25.Nc3 d4 26.Nd5-+) 25.ed6 Qd6 26.f5 (26.Qh7 Bg4 27.Ng3 Rf4 28.Re1 Kd7-+) 26...a5 27.Nd4 (27.f6 gf6 28.Nd4 a4-+) 27...Qe5 28.Nf3 Qf5 29.Qe3 Qe6 30.Qa7 (30.Qg5 g6-+) 30...a4 31.Qb8 Rc8 32.Qf4 Qg4 33.Qd6 (33.Qe5 Be6-+) 33...Be6 34.Re1 Rc2 35.Qb8 Ke7 36.Qa7 (36.Rg1 Qc4 37.Qb7 Kf6-+) 36...Kf6 37.Rg1 (37.Qg1 b4-+) 37...Qf4 38.Qa5 Rc1 39.Ne1 Qe3 40.Qb4 (40.Rf1 Kg6 41.h3 a3-+) 40...d4 (40...a3!? 41.Nf3-+) 41.h3 (41.Nf3 Rg1 42.Ng1 a3 43.Qb5 a2 44.Qf1 Kg6-+) 41…Qc3 (41...Qc3 42.Qb5 Re1 43.Qa4 Bd5-+) 0–1. Chuprov,D (2460) – Ayupov,D (2325), TCh–RUS 1st Liga, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6)

    9.Bb5 cd2-/+ 10.Nbd2 Bd7 11.0-0 Bd2 12.Bd2 Nge7 13.Bg5 h6 14.Qh4 Qc7 15.Be7 Ne7 16.Rac1 Qd8 17.Bd7 Qd7 18.Rc4 Rc8 19.Rd4 Nf5 (19...Qc7!? 20.Rd6 0-0-+) 20.Rd7+= Nh4 21.Rb7 Nf3 22.gf3 Ra8 23.Ra1 0-0 24.Raa7 Ra7 25.Ra7 Rd8 26.Kg2 g5 27.Ra4 Rd5 28.Re4 Kg7 29.Kg3 Kg6 30.f4 Kf5 31.f3 Rd3 (31...g4 32.Re3 h5 33.Rb3-/+) 32.h3+= Rd7 33.fg5 (33.Rc4!?+=) 33...hg5-/+ 34.Rg4 Rd5 (34...Ke5?! 35.Rg5 f5 36.h4=) 35.h4 gh4 36.Rh4 Ke5 37.Re4 Kf5 38.Rf4 Kg6 39.Re4 e5 40.Rh4 Rd4 41.Rd4?? (better is 41.Rh8-/+) 41...ed4-+ 42.Kf4 f5 43.Kg3 Kg5 44.f4 Kf6 45.Kf3 Ke6 46.Ke2 Kd5 47.Kd3 Kc5 48.Kd2 Kc4 49.Kc2 d3 50.Kd1 Kd4 51.Kd2 0–1. Haupt,Joachim (1870) – Grabow,Pouelsten Holm (2155), Rijeka CRO, 2013. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 d4)

    9.dc3 Be7 10.Be2 f5 11.0-0 Bd7 12.Qa2 Nh6 (12...Qc7 13.Bf4=) 13.Bh6 gh6 14.Rd1 Qc7 15.Qd2 0-0-0 16.Qh6 Bc5 17.Qf4 Rhg8 18.h3 Ne7 19.Qc4 Kb8 20.Nbd2 (20.Qh4 Qb6=) 20...Ng6 21.Nb3 Bb6 22.Qc7 (22.Kf1 Ne5 23.Qc7 Bc7=+) 22...Bc7 (22...Kc7!? 23.Kf1 Nf4-/+) 23.Nc5= Bc8 24.Rdb1 Be5 25.Ne5 Ne5 26.Na6 Ka8 27.Nc7 Kb8 28.Na6 ½–½. Reinderman,Dimitri (2440) – Tondivar,Babak (2350), NLD–ch U26 Leeuwarden, 1995. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6)

    9.dc3 Bf8 10.Bb5 Bd7 11.0-0 a6 12.Rd1 Qc7 (12...Qc8 13.Bc6 Bc6 14.Qg4=+) 13.Qe4 Nge7 14.Bf4 Ng6 Can e5 get defended? 15.Bg3 Ra7 16.Bd3 b5 17.h4 (17.Qe3 Be7=+) 17...Bc5 18.h5 Nge7 19.Qg4 g6 20.Nbd2 Nd5 21.Ne4 Nce7 ½–½. Miazhynski,Yuri (2055) – Brod,M (2275), TCh–AUT 2nd Ost, 2017. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6)

    9.dc3 Bc5

    10.Bb5 Bd7 11.Ba3 Qb6 12.Bc5 Qc5 13.Qc4 Qc4 14.Bc4-/+.

    10.Bb5 Nge7 11.0-0 (11.Nbd2 0-0 12.Nb3 Qd5 13.Nc5 Qc5=) 11...0-0 12.Nbd2 (12.Ba3 Qb6=+) 12...Qc7 13.Bc6 (13.Re1 Rd8=+) 13...Qc6 (13...Nc6 14.Re1-/+) 14.Ne4=+ b5 15.Qc2 Rd8 (better 15...Nd5=+) 16.Nfg5 (better 16.Nc5!? Qc5 17.Ba3=+) 16...Ng6-+ 17.Nc5 Qc5 18.h4 (18.Re1-+) 18...Qe5 19.Be3 a6 (19...Bb7 20.Rfe1-+) 20.Bb6 (20.h5 Nf8-+) 20...Rd7 21.Rfe1 (21.Rfd1 Qf4 22.g3 Qc4-+) 21...Qf4 22.Re4 (22.g3 Qd6 23.Be3 Bb7-+) 22…Qd2 (22...Qd2 23.Qd2 Rd2-+) 0–1. Llaneza Vega,Patricia (2175) – Gonzalez Menendez,Ivan (2270), Asturias–ch Preferente, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6 9.dc3 Bc5)

    10.Nbd2 Bd7 11.Bb5 a6 12.Ne4 Ra7=.

    10.Nbd2 Bd7 11.Qg4 Nge7 12.Ne4+- Qb6 13.Bd3?? (13.Qg7 Ng6 14.Bd3+- (14.Nc5?! Qc5 15.Rb1 Rb8=+)) 13...Ng6= 14.Qh5 (14.Nc5? Qc5 15.0-0 Qc3 16.Bg6 Qa1-/+) 14...0-0-0 (better 14...Be7 15.Nd6 Bd6 16.ed6 e5=+) 15.Rb1 (worse 15.Nc5 Qc5 16.0-0 Nge5=+) 15...Qa5 16.Rb5 (16.Nc5 Qc5 17.0-0 f6=+ (17...Qc3?! 18.Rd1=; 17...Nce5 18.Bg6 hg6 19.Qe5 Qe5 20.Ne5+-; 17...Nge5?! 18.Rb5 Nf3 19.Qf3=+)) 16...Bf2 (16...Qa1 17.0-0 Bf8 18.Bb2+-) 17.Kf2 (17.Nf2?! Qc3 18.Bd2 Nf4 19.Bc3 Nh5+-) 17...Qa2 18.Rb2 (better 18.Be2 Kc7 19.Nd6 Nce5 20.Ne5 Bb5 21.Nb5 Kb8 22.Ng6+-) 18...Qa5?? (18...Qb2 19.Bb2 Nf4 20.Nd6 Kb8+-) 19.Rb5 (better 19.Nd6 Kb8 20.Nb7 Qc3 21.Nd8 Ka8 22.Nf7+-) 19...Qa2 20.Kg3 b6 (20...Kc7 21.Bg5 Nce7+-) 21.Nd6 Kc7 22.Nf7 Rdf8 (22...Na5 23.Rb1 Bc6 24.Nd8 Bf3 25.gf3 Rd8 26.Be4+-) 23.Nh8 Nce7 (23...Nh8 24.Qh7 Ne7 25.Rb2+-) 24.Ng6 (24.Rb2 Qa5 25.Ng6 Ng6 26.Bg6 hg6 27.Qg6 Rc8+-) 24...hg6 (24...Nf5 25.Bf5 Rf5 26.Qh7 Bb5 27.Qg7 Bd7 28.Nf8+-) 25.Qg5 Nf5 26.Bf5 Rf5 (26...ef5 27.Bf4 Kb7 28.Rd1+-) 27.Qe7 (27.Qe7 Qc4 28.Rb2+-) 1–0. Theuretzbacher,K (2200) – Scheiblmaier,R (2095), ch–AUT Jenbach AUT, 2009. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6 9.dc3 Bc5)

    10.Nbd2 Bd7 11.Qg4 Kf8+= 12.Ne4 Be7 13.Bd3 Be8 14.Ke2 Qc7 15.Qf4 Rd8 16.Nd6 Bd6 (16...Nh6!?+=) 17.ed6+/- Qd7 (17...Rd6? 18.Ba3 e5 19.Ne5+-) 18.Bb5 (18.Re1 f6+= (18...Qd6 19.Ba3 Qa3 20.Ra3+-)) 18...Nf6+= (18...Qd6?? 19.Ba3 Qa3 20.Ra3+-) 19.c4 a6 (19...e5 20.Bc6 Qc6 21.Ne5 Qg2 22.Rd1+/-) 20.Ne5+/- Qc8 (20...Qd6? 21.Ba3 Nd4 22.Kf1 Nb5 23.Bd6 Nd6 24.Rd1+-) 21.Bc6 Bc6 22.Rd1 Bd7 (22...h5 23.Kf1+/-) 23.Ra3 (better is 23.Kf1+-) 23...Qc5?? (better is 23...h5+/-) 24.Rg3+- h6 (24...h5 25.Rdd3 Qe5 26.Qe5 Ne8+-) 25.Rdd3 b5 (25...Ba4 26.Ba3 Qa3 27.Ra3 Bc2+-) 26.Rg7!! Kg7 27.Rg3 Kf8 28.Qf6 1–0. Harutjunyan,Gevorg (2450) – Davoodi,Mehran (1770), Tehran IRI, 2nd Behin Cup, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    10.Nbd2 f5 11.Qb5 Be7 12.Nc4+=.

    10.Nbd2 f5 11.Bb5 Bd7 12.0-0 (12.Nc4 a6 13.Be3 Be7=) 12...Nh6 (12...a6!?=+) 13.Nb3+= Be7 (13...Bb6 14.Bh6 gh6 15.Rfd1+=) 14.Nbd4 Qc8 15.Qa2 (15.Bh6!? gh6 16.Rfb1+-) 15...Nf7= 16.Bc4 (16.Re1 Nd4 17.Bd7 Qd7 18.Nd4 Nd8=) 16...Ncd8 (16...Nfe5 17.Ne5 Ne5 18.Be6=) 17.Re1 g6 (17...0-0 18.Rd1=) 18.Nb5 0-0 19.Nfd4 (19.Nbd4 a5=) 19...Re8 (19...a6 20.Bb3-/+) 20.Bb3 (20.Ba3!? Ba3 21.Na3=+) 20...a6=+ 21.Qd2? (better 21.Bf4=+) 21...Bb5-+ 22.Nb5 ab5 23.Ra8 Qa8 24.Qd7 Kf8 25.Be6?! (25.Qb5 Qc8 26.Ba4-+) 25...Ne6 26.Qe6 Bg5 27.Qd5 Bc1 28.Qc5 (28.Rc1 Re5 29.Qd2 Qd8-+) 28...Kg8 (28...Kg7 29.Rc1 Re5 30.Qd4-+) 29.e6 Ng5 30.Rc1 Ne6 31.Qb5 Kf7 (31...Qc8 32.Qb3-+) 32.Rd1 Re7 33.h4 (33.Qb4 f4-+) 33...Qa6 34.Qe5 (34.Qb4 Qe2 35.Ra1 Qe4-+) 34...Ng7 (34...Qa4!? 35.Qd5-+) 35.Qd5 Qe6 36.Qd8 Nh5 37.Qh8 (37.Qd2 Qe4 38.g3 f4-+) 37...Nf6 38.Rd8 (38.Qd8-+) 38...Rd7 (38...Qe1 39.Kh2 Ng4 40.Kh3 Nf2 41.Kh2 Ng4 42.Kh3 Re3 43.g3 Qg3) 39.Rd7 (39.Qf8) 39...Qd7-+ 40.Qb8 Ng4 (40...Ng4 41.g3 b5-+) 0–1. Narings,Niek – Deegens,Vincent (2320), Dieren op, 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6 9.dc3 Bc5)

    10.Qg4 Nge7 11.Qg7 Ng6=+.

    10.Qg4 Nge7 11.Qg7 Rg8 12.Qh7+- Qb6 13.Ra2 Rg6 14.Rb2 Bf2 15.Kd1 Qd8 16.Ke2 Bb6=.

    10.Qg4 Nge7 11.Qg7 Rg8 12.Qh7 Qb6 13.Qc2 Ng6+= 14.Qe2 Qc7 The pressure on e5 grows 15.Na3 (15.Nbd2 Nge5 16.Ne5 Ne5=) 15...Nce5 (15...Nge5 16.Nb5 Nf3 17.Qf3 Qe5 18.Be3+=) 16.Ne5 Qe5 17.Nb5 Ke7 18.Ba3 (18.Qe5 Ne5 19.Nc7 Rb8=) 18...Ba3= 19.Qe5 Ne5 20.Ra3 Nc6 21.h4 Bd7 22.h5 a6 23.Nd4 (23.h6 Rg6 (worse 23...ab5 24.h7+=) 24.Bd3 f5-/+) 23...Nd4=+ 24.cd4 Rg4 25.Be2 Rd4 26.Bf3 Bb5 (better 26...e5-/+) 27.Bb7?? (better 27.Ra1=+) 27...Rb8-+ 28.Bf3 (28.Ba6 Ba6 29.Ra1-+) 28...Bc4 29.Ra1 Rb5 (29...Rb5 30.Rh3 Re5 31.Be4 Ree4 32.Re3 Re3 33.fe3 Rh4-+) 0–1. Hayrapetian,A (2330) – Minasian,Ara (2520), Petrosian Mem Open, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4 7.c3 dc3 8.Qa4 Nc6 9.dc3 Bc5)

    10.Qg4 Nge7 11.Qg7 Rg8 12.Qh7+- Qb6 13.Nbd2 Bf2+= 14.Ke2 (14.Kd1 Rf8+=) 14...Ne5 15.Ne4 Ng4 16.Nfg5 (16.h3 f5 17.Ba3 Qb5 18.Kd2 Qd7 19.Nd6 Kd8 20.hg4 Bg3+-) 16...Bd7 17.Rb1 (17.Qf7 Kd8 18.Nf2 Rg5 19.Bg5 Qb2 20.Bd2 Bb5 21.Ke1 Qa1 22.Nd1+-) 17...Bb5+- 18.Rb5! Qb5 19.Kf3 Ne5 (19...Qf5 20.Qf5 ef5 21.Nf2+-) 20.Kf2 Qb6 21.Ke1 0-0-0 22.Nf7 Nf7 23.Qf7 Qb1 24.Qe6 (24.Qe7? Qe4 25.Be2 Rg2 26.Qc5 Kb8-+) 24...Kb8 25.Qh6 (25.Qe7 Qc1 26.Ke2 Rge8 27.Qd8 Rd8-+) 25...Qe4 26.Be2 (26.Qe3 Qc2 27.Be2-+) 26...Nd5 (26...Qg2?! 27.Qf4 Ka8 28.Qf3-+; 26...Rg2?! 27.Qf4 Qf4 28.Bf4 Ka8 29.Kf1-+) 27.Rf1 (27.Rg1 Rde8 (27...Nc3?! 28.Qf4 Qf4 29.Bf4 Kc8 30.Bf3-+) 28.Qd2 Nc3 29.Qf4 Qf4 30.Bf4 Kc8-+) 27...Rg2 28.Rf2 Rg1 (28...Rg6 29.Rf8 Rh6 30.Rd8 Kc7 31.Bh6 Qh4 32.Kf1 Kd8 33.Bd2 Qh3 34.Kg1 Nc3 35.Bc3 Qc3 36.Kf2-+) 29.Rf1 Re8 30.Qh5 Rf1 (30...Nc3 31.Rg1 Ne2 32.Qg6 Ng1 33.Qe4 Re4 34.Kf2-+) 31.Kf1 Rf8 32.Ke1 Nc3 0–1. Buecker,Stefan (2365) – Namyslo,Holger (2215), Dortmund op–A, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4 6.ab4 Bb4)

    10.Qg4 Kf8 11.Nbd2 f5 12.Qg3 Be7 (12...Nge7 13.Ba3 Ba3 14.Ra3=) 13.h4 (13.Ba3 Bd7+=) 13...Nh6 14.Nc4 Nf7 15.Ng5 (15.Be3 Bd7=) 15...Ng5 (15...b5 16.Na3 Nfe5 17.Nb5-/+) 16.hg5 Qd5 (16...Bd7 17.Ba3=) 17.Rh4 (17.Nb6 Qe4 18.Be2 f4 19.Qf4 Qf4 20.Bf4 Rb8+-) 17...Bc5 (17...Qd8 18.Be3=) 18.Bf4 Qd8 19.Rd1 Bd7 20.Nd6 Bd6 21.Rd6 Qc7 22.Bc4 Re8 (22...a5 23.g6 h6 24.Be6 Be6 25.Re6=) 23.Qd3 Re7 (23...Rd8 24.g4 fg4 25.Rh7 Rh7 26.Qh7=) 24.g6+- h6 25.g4 (25.Be6 Be6 26.Re6 Ke8 27.Qf5 Rf8 28.Re7 Ne7=) 25...fg4= 26.Ba2 (26.Rg4 a6=) 26...Ke8 27.Rg4 (27.Qe3=+) 27...Kd8 (27...Qa5 28.Bc4-/+) 28.Be6 (28.Bg3!?=) 28...Rhe8=+ 29.Bd7 Rd7 30.Kf1 Ne5?? (better 30...b6=) 31.Be5+- Re5 32.Rd7 Qd7 33.Rd4 Re7 34.Qf5 Ke8 (34...b6+-) 35.Rd7 Rd7 36.c4 (better 36.Qe5!? Re7 37.Qb8 Kd7 38.Qa7 Kc6+-) 36...Kd8 37.Qa5 b6 38.Qe5 a5 (38...Rd1 39.Kg2 Rd7+-) 39.Qb8 Ke7 40.Qb6 a4 41.Qb4 Kf6 1–0. Marder,S (2065) – Petersen,SoB (2240), Politiken Cup, 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 d4)

    10.Qg4 Bf8 11.Bb5=+.

    5.e5 Bd7

    6.ab4 Qb6 7.d4 (7.c3 Nc6+=) 7...Ne7 (better is 7...Bb4!? 8.c3 Ba5=) 8.c3+= Nf5 9.g4 (9.Bd3 Na6+=) 9...Ne7= 10.Bd3 Bb5 (10...h5 11.gh5 Nf5 12.Bg5=) 11.Na3 Bd3 12.Qd3 Nec6 (12...Ng6 13.0-0 h5 14.gh5 Rh5 15.Bd2+=) 13.h4 (13.Nb5!?+/-) 13...Nd7+= 14.Ng5 (better is 14.0-0+=) 14...Nce5? (better is 14...h6 15.Nf3 Be7=) 15.de5+/- Ne5 16.Qb5 (16.Qe2 f6+/-) 16...Qc6+/- 17.Qc6 bc6 18.Ke2 Ng4 19.Rg1 Nf6 20.Nc2 h6 21.Nf3 Ne4 22.Bd2 c5 23.b5 c4 24.Ncd4 g6? (better is 24...g5 25.hg5 hg5 26.Ng5 Nd2 27.Kd2 Bc5+-) 25.b6 Bc5 26.Rgb1 Nd6 (26...Ke7 27.b7 Rab8+-) 27.Bf4 Bd4 (27...0-0 28.b7 Rae8+-) 28.Bd6 Kd7 29.b7 Bc3 30.ba8Q (30.ba8N Ba1 31.Bf4 Bc3 32.Rb7 Kc6 33.Rc7 Kb5 34.Ra7 g5 35.hg5 hg5 36.Ng5 e5 37.Nf7 Ra8 38.Ra8 ef4+-) 30...Ra8 31.Ra3 (31.Ra6!? Ke8+-) 31...Bf6 (31...Kd6 32.Rc3 a5+-) 32.Be5 Be7 (32...Bd8 33.Rb7 Kc8 34.Rf7+-) 33.Rb7 (33.Rb7 Ke8 34.Ra6+-) 1–0. Llano Buritica,Eduardo (1700) – Jimenez,Leonardo Andres (1875), Bogota COL, Ch U16 (b), 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5= 4.b4 cb4+= 5.a3 Bd7)

    6.d4 Qb6 7.ab4 Bb4 8.c3 Ba5 9.Ba3 Bb5 10.Bc5 Qa6 11.Qb3 Bf1 12.Rf1 Nc6 13.Na3 Nge7 14.Kd2 b6 (better 14...Bd8!?=+) 15.Nb5+= Kd7 16.Bd6 (16.Be7 Ne7 (16...Ke7?? 17.Qa3 Nb4 18.Qb4 Bb4 19.Ra6+-) 17.Ng5 Rhf8=) 16...Rhc8 17.g4 (17.Be7 Ne7 18.Ng5 Nf5=+) 17...f6 (17...Ng6 18.Rfc1=+) 18.Rfc1 fe5 (18...Ng6 19.ef6 gf6 20.Bg3=) 19.Ne5 (19.Be5 Rf8 (worse 19...Ne5 20.Ne5 Ke8 21.Nd6 Kf8 22.Qd1+-) 20.Ke3 h5 (worse 20...Ne5 21.Ne5 Kd8 22.Qa4+-) 21.gh5 A) 21...Ne5 22.Ne5 (worse 22.de5 Nf5 23.Ke2 Rac8=+) 22...Kd8 23.Nd6 Nf5 24.Nf5 Rf5 25.Rg1+-; B) 21...Nf5 22.Ke2 Qb7+=) 19...Ne5 20.Be5 Rf8 21.Ke3 Qb7 22.Nc7 Rab8 23.Nb5 Rbd8 24.Bc7 (24.Qa4 Nc6=) 24...Rc8 25.Bg3 Rc6 26.Nd6 Qa8 Attacking the backward pawn on c3 (worse 26...Rd6 27.Bd6 Kd6 28.Ra5+=) 27.Qa3 a6 28.Rab1 Ng6 29.Ke2 (better 29.h3!?-/+) 29...Nf4-+ 30.Ke3 Rd6 (30...g5!? 31.Nb7 Bc3 (worse 31...Qb7 32.Qf8 Ng6 33.Qg7 Ne7 34.Qg5+-) 32.Rc3 Rc3 33.Qc3 Qb7-+) 31.Bf4-/+ Rc6 32.Be5 Qe8 33.c4 dc4 34.Rc4 Qf7 35.f4 Rfc8 36.Rc6 Rc6 (36...Kc6?? 37.Qa4 Kb7 38.Qa5+-) 37.Rc1 Rc1 (37...g5 38.fg5 Bd2 39.Kd2 Qf2 40.Kd1 Qg1 41.Kd2 Qf2 42.Kd1 Qg1 43.Kd2 Qf2=) 38.Qc1+= Kd8 39.Qc6 Qe7 40.Qa8 Kd7 41.Qb7 Ke8 42.Qa6 Qa3 43.Qd3 (43.Ke4 Qc1+-) 43...Qd3 44.Kd3 g6 45.Kc4 Ke7 (45...Kd7 46.Kb5+=) 46.Kb5 (better 46.g5!?+-) 46...Kd7+= 47.g5 Kd8 48.Kc6 Ke7 49.Bc7 Ke8 50.Bb6 Bb6 (50...Bc3 51.Kd6 Kf7 52.Bc5+-) 51.Kb6 Kd7 52.Kc5 Kc7 53.d5 ed5 54.Kd5 Kd7 55.Ke5 Ke7 56.h4 Kf7 57.f5 gf5 58.Kf5 Kg7 59.h5 Kg8 60.Kf6 Kh8 61.g6?? (better 61.Ke7+-) 61...h6?? (better 61...Kg8=) 62.Kf7 ½–½. Meixner,Ferenc (2070) – Shan,H, 27th Budapest Spring Festival, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 Bd7 4.a3 c5 5.b4 cb4)

    6.d4 Qb6 7.ab4 Bb4 8.c3 Ba5 9.Bd3 Bb5 10.0-0 Ne7 11.Ba3 Bd3 12.Qd3 Nbc6 13.Nbd2 Rc8 14.Rfb1 Qc7 15.c4 b6 16.cd5 ed5 17.Rc1 Qd7 18.Nb3 Bb4 19.Qb5 Ba3 20.Ra3 0-0 21.Rca1 Rc7 0–1. Johnsen,Svein Harald (1810) – Takle,Dan (2050), Hostmesterskap, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    6.d4 Qc7 7.Bd2 Na6 (better 7...Nc6!?=+) 8.Ba6+= ba6 9.ab4 Rb8 10.c3 Ne7 (10...Bb5 11.Be3+=) 11.0-0 (11.Ra6 Bb5 12.Ra1 Bd3+=) 11...Nc8 (11...Bb5 12.Re1+=) 12.Re1+= (worse 12.Ra6 Bb5 13.Ra5 Bf1 14.Qa4 Bb5 15.Rb5 Qc6=+) 12...Bb5 13.Na3 Nb6 14.Re3 Nc4 15.Nc4 Qc4 16.Ng5 Be7 (16...h6 17.Qh5 Rb7 18.Ree1+=) 17.Rh3 (17.Qh5 g6 18.Qh6 Bf8+-) 17...Qe2 (17...h6 18.Qg4+=) 18.Rh7 (18.Qe2!? Be2 19.Nh7+- (19.Rh7?! Rh7 20.Nh7 f6+=)) 18...Qd1 19.Rd1 Rh7 20.Nh7 f6 21.Re1 (21.ef6 gf6 22.Bf4=+) 21...Kf7=+ 22.ef6 gf6 23.Re3 Rh8 24.Rh3 Kg8 (24...Kg7 25.Re3-/+) 25.Nf6=+ Bf6 26.Rg3 Kf7 27.Rf3 (27.Bg5 Bg5 28.Rg5 Rc8-/+) 27...Be2 28.Re3 Bc4 29.Rf3 Be2 30.Re3 Bd1 31.Rd3 (31.Re1 Bc2=+) 31...Bc2 (31...a5 32.ba5 Rb8 33.h4-/+) 32.Rf3 Be4 33.Re3 (better 33.Rf4!?-/+) 33…Bg5-+ 0–1. Relyea,Alex – Patton,Tom, 23rd NAO–OCF, 2004. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7)

    6.ab4 Bb4

    7.c3 Ba5 8.d4 Qb6 9.Ba3 Bb5 10.Bc5 Qa6 11.Nbd2 Bf1=+ (11...Bc3?? 12.Ra6 ba6 13.Qb3 Bd2 14.Nd2+-) 12.Rf1 Nc6 13.Qa4 (13.Bb4 Qb5 (13...Nb4? 14.cb4 Ne7 15.Ra5+-) 14.Ba5 Na5=+) 13...Qd3 14.Rc1? (better 14.Rb1!? Qa6 15.Kd1=+) 14...Bc3-+ 15.Qa2 (15.Kd1 Bd2 16.Nd2 a6-+) 15...Nge7 (15...a5 16.Qc2 Bd2 17.Qd2 Qd2 18.Kd2-+) 16.Qb1 (16.Qc2 Bd2 17.Qd2 Qe4 18.Kd1 b5-+) 16...Bd2 17.Nd2 Qb1 18.Rb1 (18.Nb1?? Nf5-+) 18...b6 19.Bd6 (19.Be7 Ke7 20.Nf3-+) 19...Nd4 20.f4 (20.Kd1 Nec6-+) 20...Nef5 21.Ba3 (21.Bb4 a5 22.Bc3 b5-+) 21...Kd7 (better 21...Nc2 22.Kf2 Na3-+) 22.Bb2 Rhc8 (22...Nc2 23.Ke2-+) 23.g4 Ne3 (23...Nc2 24.Ke2 Nh6 25.h3-+) 24.Bd4 Nc2 25.Kf2 Nd4 26.Kg3 White plans f5 (26.Ne4 f6 27.ef6 de4-+) 26...Rc3 27.Kh4 (27.Kg2 b5-+) 27...Rac8 (27...Rd3 28.Rbd1-+) 28.f5 (28.Ra1 a5 29.Nb1 Rc1-+) 28...Rd3 29.Rf2 (29.Ra1 a5 30.f6 g6-+) 29...Rc2 30.fe6 (30.Ra1 a5 31.f6 Rcd2 32.Rd2 Nf3 (32...Rd2 33.fg7 Nf5 34.gf5+-) 33.Kg3 Nd2 (worse 33...Rd2 34.fg7 Ne5 35.g8Q Rd3 36.Kg2 Rd2 37.Kh1+/-) 34.Kg2 gf6 35.ef6 h6-+) 30...Ke6 31.Rd1 (31.Rbf1 Rdd2 32.Rd2 Rd2-+) 31...Rcd2! 32.Rdd2 (32.Rdd2 Nf3 Double attack (32...Nf3 Decoy); 32.Rfd2 Nf3 Double attack (32...Nf3 Decoy)) 32...Rd2 33.Rd2 Nf3 34.Kg3 0-1. Abrashkin,B (2405) - Shuvalov,E (2180), Titled Tuesday, 2020. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7)

    7.c3 Ba5 8.d4 Ne7 9.Bd3 Qb6 10.0-0= Qc7 Exerts pressure on the backward pawn (10...Na6 11.Qe2=) 11.Bd2 (11.Ba3 Nbc6+=) 11...Bc6 (11...Nbc6 12.Na3 a6 13.Nc2=) 12.Qe2 (12.c4 Bd2 13.Nbd2 0-0=) 12...a6 (12...0-0 13.Bh7 Kh8 14.Ng5+-) 13.Ng5+= Ng6? (better 13...h6 14.Qh5 g6+=) 14.Qh5+- Bb5 15.Ne6! fe6 16.Bg6 Kd8 (16...Kd7 17.c4 Bc4 18.Ba5+- (18.Ra5?! Nc6 19.Rc5 hg6 20.Qg6 Qd8=)) 17.Ra5! Bf1 (17...Qa5 18.Bg5 Double attack) 18.Rc5 Nc6 19.Bf7 (19.Kf1 b6 20.Rc6 Qc6 21.Bd3+- (21.Bh7? Qb5 22.c4 Qb1 23.Bb1 Rh5 24.cd5 ed5-+)) 19...Be2?? (better 19...Qd7 20.Kf1 Rf8 21.Qh4 Ne7 22.Be6 Qe6+=) 20.Bg5+- Kd7 (20...Ne7 21.Qe2 Qb6+-) 21.Rd5 Kc8 22.Be6 (22.Qe2? Qf7 23.Rd6 Qf5-+) 22...Kb8 23.Qe2 Qb6 24.Qe1 (24.Bf5 h6 25.Be3 Rd8+-) 24...h6 (24...Nd4 25.Rd6 Nc6 26.Na3+-) 25.Be3 Rd8 26.Rc5 (better 26.Rd8 Nd8 27.Bf5 Qa5+-) 26...Qb2 (26...Nd4 27.cd4 Qe6+-) 27.Nd2 (27.d5 Ne7 28.d6 Nc6+-) 27...a5 (27...Ne7 28.d5+-) 28.Nc4 Qc2 29.h3 (29.d5!? Ne7+-) 29...a4 30.Na3 (better 30.d5 a3 31.Rb5 Na7 32.Na3 Qd3+-) 30...Qg6 31.Bd5 Ra5 32.Bc6 (better 32.Nb5 Ne7 33.Bf3 Rc8+-) 32...Rc5 33.dc5 (worse 33.Ba4 Ra5 34.Bc2 Qe6+-) 33...Qc6 (33...bc6 34.e6! Qe4 35.f3+-) 34.Bd4 (better 34.e6 Qe4 35.e7 Re8+-) 34...Rd7 (34...Re8 35.Nc4 Re6 36.Qb1+-) 35.Qf1 (35.e6!? Re7 36.Be5 Kc8+-) 35...Qe6 (35...Qa6 36.Qb1 Rc7 37.Qb4+-) 36.Qb5 Qb3 (36...Qc6 37.Qb4+-) 37.Qb3 (37.Qd7 Qd1 38.Kh2 Qd3 39.Qd8 Ka7 40.c6 Qd4 41.Qd4 Kb8 42.Qb6 Kc8 43.Qb7 Kd8 44.Qd7) 37...ab3+- 38.Kf1 Re7 (38...Kc7 39.Ke2+-) 39.Ke2 Re6 40.Kd2 Ra6 41.Nc4 (41.Nb5 Ra4+-) 41...Ra2 42.Kc1 Kc7 43.Nb2 (43.Kb1 Re2+-) 43...Kc6 (43...Ra1 44.Kd2 g5 45.c4+-) 44.c4 Kd7 45.Kd2 Ke6 (45...Ra1 46.h4+-) 46.Kc3 Ra1 47.Kb3 Rg1 48.g3 g5 (48...Kf5 49.h4 g5 50.hg5 hg5 51.Nd3+-) 49.Kc3 (49.Kb4 Kd7+-) 49...Rh1 (49...Re1 50.Kb4+-) 50.Kb4 h5 (50...Kd7 51.Kb5 Kc7 52.Bc3+-) 51.Kb5 Rh3 (51...Kd7 52.Kb6 Kc8+-) 52.Kb6 h4 53.Kb7 hg3 54.fg3 Rg3 (54...Rh7 55.Kb6 Kd7+-) 55.c6 Rb3 56.Kc8 g4 (56...Ra3 57.c7 Rf3 58.Kb7+-) 57.c7 Ke7 58.Na4 g3 59.Nb6 Rd3 60.Bc5 Ke6 61.Kb7 1–0. Arian Mehr,Aein – Kashef,Mohsen (1660), 4th Jam Individual League – Final, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7)

    7.c3 Ba5 8.d4 Ne7 9.Bd3 Nbc6 10.Bd2 Bb6 11.0-0 0-0 12.Ng5 Nf5 13.g4 Nfd4 14.Bh7 Kh8 15.cd4 Bd4 16.Qb3 (16.Qb3 Ne5 17.Qh3 Ng4 18.Qg4+-) 1–0. Vetter,Gerhard – Endean,Andrew, Compuserve email, 1998. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    7.c3 Bc5 8.d4 Bb6 9.Bd3 Ne7 10.h4 (10.0-0 0-0=+) 10...Nbc6 11.0-0 Ng6 12.Ng5 (better 12.h5 Nh4 13.Nbd2=+) 12...Nd4?? (better 12...Nh4!? 13.Qh5 Ng6-/+) 13.Bg6 (13.cd4!? Nh4 14.Bh7+-) 13...hg6= 14.cd4 Rh4 15.Nf3 Rh8 16.Be3 (16.Qd3 Rh5+=) 16...Qe7 (16...Bb5 17.Re1=) 17.Qc2 (17.Qb3 Rc8+=) 17...Rc8 18.Qd3 Qf8 (18...Qb4 19.Rc1=) 19.Bg5 (19.Na3 Rh5 20.Rfb1 Qh8+=) 19...Qb4 20.Na3 Rc3 21.Qd2 Rb3 22.Qb4 Rb4 23.Nc2 Ra4 24.Ra4 (24.Rfc1 Ra1 25.Na1 Bc6=) 24...Ba4 25.Rc1 Kd7 26.Nb4 (26.Na3 Bc7=) 26...Rc8 (26...Bb5 27.Rb1 Be2 28.Be3=+) 27.Ra1 (27.Rc8 Kc8 28.Be3 a5=+) 27...Bb5=+ 28.Be3 a5 (28...Be2 29.Ne1=+) 29.Na2 (better 29.Nd5 ed5 30.e6 Ke6 31.Rb1=+) 29...a4 (better 29...Be2=+) 30.Rb1+- Bc4? (better 30...Kc6 31.Nc3 Bd3+-) 31.Rb6+- Ba2 32.Rb7 Rc7 33.Rc7 Kc7 34.Bc1 (34.Ng5 Bb1 35.Bc1 Kc6 36.Nf7 Kc7+-) 34...Kc6 (34...Kd7 35.Kf1+-) 35.Ba3 (35.Ng5 Kb5+-) 35...Kb5 (35...Kd7 36.Kf1+-) 36.Nd2 (36.Ng5 Kc4 37.Bc5 f6 38.Ne6 fe5 39.de5 d4 40.Bd4 Kd5+-) 36...Bb3 37.f4 Bc2 38.Kf2 Bf5 39.Kf3 Bc2 40.g4 Bd3 (40...Kc6 41.Ke2+-) 41.Kg3 (41.Ke3 Bc2+-) 41...Kc6 42.Bf8 Bc2 43.Kf2 (43.Bg7?? a3 44.f5 a2 45.fe6 fe6-+) 43...Kb5 (43...Kd7 44.g5+- (44.Bg7 a3-+)) 44.Ke2 (44.g5 Kc6+-) 44...Kc6 (44...g5 45.fg5 g6 46.Bd6+-) 45.Nf1 (45.Bg7?? a3 46.Nf3 a2-+) 45...Kb5 (45...g5 46.fg5 (46.Bg7 a3 47.Kd2 a2 48.Kc2 a1Q-+) 46...g6 47.Ne3+-) 46.Nd2 (46.Bg7?? a3 47.Kd2 a2 48.Kc2 a1Q-+) ½–½. Suess,Nils – Meyer,Yoram, Spring Festival, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7)

    7.c3 Be7 8.d4 Bc6 9.Bd3 Nd7 10.h4 h6 11.Nbd2 Qc7 12.Nf1 b5 13.Qb3 Rb8 14.Ne3 Rb6 (14...Nb6 15.0-0= (15.Bb5? Nd7-+)) 15.Rh3 (15.0-0 Rb7+/-) 15...a6 16.Rg3 g6 17.Qc2 Nf8 18.h5 gh5 19.Rg7 Kd8? (better is 19...b4!?+=) 20.Bh7 (20.Rf7!? Be8 21.Rg7 Nd7+-) 20...Nh7 21.Rh7 Rh7 22.Qh7 Be8 23.Bd2 b4 24.c4?? (better is 24.cb4 Bb4 25.Qg8 Bd2 26.Nd2+/-) 24...dc4-+ 25.d5 (25.Qg8? c3 26.Ke2 cd2-+) 25...Nf6 (better is 25...c3!? 26.Bc1 b3-+) 26.ef6+= Bf6 27.Rd1 c3 28.Bc1 Rd6 29.Qh6 Ke7 30.Kf1 c2 31.Re1 Bc3 32.Nf5 Kd7? (better is 32...Kd8!? 33.Nd6 Qd6 34.de6 Be1 35.Bg5 f6 36.Qf6 Kc8 37.Ne1 Qd5+-) 33.Nd6+- Be1?? (33...Qd6 34.de6 Kc6 35.Ne5 Kb7 36.ef7 Qd1+-) 34.de6 (34.Ke1?! Qd6 35.Qh5 b3=) 34...fe6 35.Qh7 (35.Ke1?! Qc3 36.Qd2 Qd2 37.Kd2 Kd6 38.Kc2 a5+=) 35...Kd6 (35...Kc6 36.Qc2 Kd7 37.Qh7 Kc6 38.Qe4 Kb6 39.Be3 Ka5 40.Qe6 b3 41.Ke1 b2 42.Bd2 Kb6 43.Qb3 Bb5 44.Be3 Qc5 45.Bc5 Kc5 46.Nb5 b1Q 47.Qb1 ab5+-) 36.Bf4 Kd5 37.Qc7 (37.Qc7 Bc3 38.Qd6 Kc4 39.Qe6 Kb5 40.Qe8 Kc4 41.Qe6 Kc5 42.Qf5 Kc4 43.Qc2+-) 1–0. Christensen,Bo (2215) – Mott,J (1950), Politiken Cup, 2015. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7)

    7.c3 Be7 8.d4 f6 9.Bd3 g6 (9...fe5 10.Ne5 Nf6 11.Qb3=+) 10.0-0 Nc6 11.Re1 f5 (11...fe5 12.de5 a6 13.Be3=) 12.Na3 a6 13.c4 Nb4 14.Bb1 ½–½. Blok,S – Van Hijum,I, NED–chJ Nijmegen, 1992. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7 6.ab4 Bb4)

    7.c3 Bf8 8.d4 Nc6 9.Bd3 Nge7 10.h4 (10.0-0 Ng6=) 10...h6 11.h5 Qc7 12.Nh4 (12.0-0 0-0-0=) 12...Nc8 13.Na3?? (better 13.0-0=+) 13...Ne5!-+ 14.0-0 (14.de5 Qc3 Double attack) 14...Qc3 15.de5 Qa1 16.Nb5 Qa5 (16...Qe5 17.Qf3 Bb5 18.Bb5 Ke7 19.Bf4-+) 17.Bd2 Qb6 18.Be3?! (18.Qe2 a6 19.Be3 Bc5-+ (19...Bb5 20.Bb6 Bd3 21.Qd3 Nb6 22.Rb1=; 19...ab5?! 20.Bb6 Nb6 21.Bb5=+)) 18...Bc5 (18...Bb5? 19.Bb6 Bd3 20.Qa4 (20.Qd3?! Nb6 21.Qb5 Kd8=+) 20...Ke7 21.Bc5 Kd8 22.Bf8 Bf1 23.Bg7+-) 19.Qg4 (19.Qc1 Bb5 20.Bc5-+) 19...Bb5 (19...Be3 20.Qg7 Rf8 21.fe3 Bb5 22.Ng6 Qe3 23.Kh2 Bd3 24.Qf8 Kd7 25.Qf7 Kc6 26.Qe6 Kc5 27.Rf8-/+) 20.Qg7 Rf8 21.Rb1 (21.Bb5 Qb5 22.Bh6 Qe2-+) 21...a6 22.Ng6 fg6 (22...Bd3 23.Rb6 d4 24.Bd4 Nb6 25.Bc5+-) 23.Bg6 Kd8 24.Rc1 (24.Rb2 Qc6 25.Rc2 Bc4-+) 24...Bc4 25.Bh6 (25.Qh6 Kc7 26.Qf8 Bf8 27.Bb6 Nb6-+) 25...Rf2 26.Kh2 Be7 (better 26...Qb2 27.Be4 Qe2-+) 27.Rb1 (27.Qg8 Kc7 28.Bf7-+) 27...Qd4 28.Qg8 Kc7 29.Qe6 Bf1 30.Rc1 Bc5 (30...Bc5 31.Rc5 Qc5-+) 0–1. Sanchez,Simon (2085) – Ramirez,Carlos (2245), 1st ELIMINATORIA NAL, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7 6.ab4 Bb4)

    7.c3 Bf8 8.d4 Qc7 9.Bd3 Ne7 10.Ng5 h6 11.Nh7 Rh7 (11...Nf5!? 12.Nf8 Rf8=) 12.Bh7+= g6 13.h4 Bb5 (13...h5!?+-) 14.h5 Qc4 (14...g5 15.f4 gf4 16.Bf4+-) 15.hg6+- fg6 16.Qc2 (16.Bh6 Bh6 17.Qc2 Bg5=+) 16...Kf7 17.Na3 Qd3 18.Bh6 Bh6 19.Qd3 (19.Rh6?! Qf1 20.Kd2 Qf2 21.Kc1 Qf4 22.Qd2 Qf1 23.Kb2 Qe2+=) 19...Bd3 20.Rh6 Kg7 21.Rh3 (21.Rh2 Nd7 22.Kd2 Ba6+-) 21...Bf5+- 22.Rh2 Nd7 23.Kd2 Rh8 24.Rah1 Nf8 25.f3 Rh7 26.g4 Rh2 27.Rh2 a6 28.Rh1 Nd7 29.gf5 gf5 30.Rb1 b5 31.Nc2 Nc6 32.Ra1 Ndb8 33.Ke3 Kf7 34.Kf4 Kg7 35.Kg5 Kf7 36.Kh6 Kf8 37.Kg6 Ke7 38.Kg7 (38.f4 a5 39.Rb1 Na6 40.Rb5 Nab8+-) 38...Kd7 (38...a5!?+-) 39.Kf6+- Nd8? (better 39...a5+-) 40.Nb4 a5 (40...Ke8 41.Na6 Nd7 42.Kg7+-) 41.Ra5 Nbc6 (41...Ke8 42.Rb5 Nd7 43.Kg5+-) 42.Rb5 (42.Nc6 Nc6 43.Ra6 Nd4 44.cd4 Kc7+-) 42...Nb4 (42...Ne7+-) 43.Rb4 Kc7 44.Ke7 Kc8 45.Rb8! Kb8 46.Kd8 1–0. Goreskul,Alyona (2125) – Pfeiffer,G, Frydek–Mistek op (Women), 1997. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Bd7 6.ab4 Bb4)

    7.Nc3 +=.

    5.e5 f6

    6.ab4 Bb4 7.c3 Be7 8.d4 Nc6 9.Bd3 fe5 10.Ne5 Nf6 11.0-0 (11.Ba3 0-0=+) 11...a5 (11...0-0 12.Ba3=+) 12.Na3 (12.Re1 0-0=+) 12...0-0 13.Qc2 Ne5 (13...Bd6 14.f4=+) 14.de5 Ne4 15.f3 (15.Be4 de4 16.Qe4 Qd5 17.Qd5 ed5=) 15...Ng5 16.Nb5 (16.f4 Bc5 17.Kh1 Ne4=) 16...Bd7 17.Nd4 Bc5 Black plans a4 (17...Qc7 18.h4 Nf7 19.Bh7 Kh8 20.f4=+) 18.Be3 (18.f4 Ne4=+) 18...a4 (18...h6 19.f4 Nf7 20.c4=+) 19.Qb1 (19.f4 Ne4=+) 19...b6 (19...b5 20.f4 Ne4 21.Be4 de4 22.Qe4=+) 20.Ra2 (20.f4 Ne4=+) 20...Kh8 (20...h6 21.f4 Nf7 22.Rd1-/+) 21.Qe1 (21.f4!? Ne4 22.Be4 de4 23.Qe4=+) 21...Nf7-/+ 22.f4 g6 (22...Qc7 23.Qg3-/+) 23.Rf3 (23.Qg3 Qe8=+) 23...Nh6-/+ 24.Rh3 Nf5 25.Bf2 (25.Bf5 gf5 26.Bf2 Qc7-/+) 25...Kg8 (25...Qc7 26.Bf5 ef5 27.e6-/+) 26.Qb1 (26.Nf5 ef5 (worse 26...Rf5 27.Bc5 bc5 28.Bf5 ef5 29.Qd1+-) 27.Bc5 bc5=+) 26...Ne7 (26...Ng7 27.Be3-/+) 27.Rf3 (27.Be3 Qe8-/+) 27...Qe8 (27...Qc7 28.Qc2-/+) 28.h4 (28.Nb5 Qc8-/+) 28...Kh8 (28...Qf7 29.Qa1-/+) 29.h5 (29.Nb5 Bf2 30.Rff2 Qc8-/+) 29...g5! 30.fg5 Rf3 (30...Qh5?! 31.Rh3 Qe8 32.Rh7 Kg8 33.g6+=) 31.Nf3 Qh5 32.Bc5 bc5 33.Qb6 c4 34.Qd6 (34.Bc2 Qe8-/+) 34...Qe8 35.Bc2 Qd8 (35...Kg7 36.Kf2-/+) 36.Ra1 (36.Ba4 Nf5 (worse 36...Ba4 37.Ra4 Ng6 38.Ra8 Qa8 39.Qe6+=) 37.Qb4 Ng3-/+) 36...Nc8 37.Qa3 Kg7 38.Qc1 (38.Kf2 Qe7-/+) 38...Ne7 39.Qf4 Qf8 40.Qf6 Kg8 41.Nh2 (41.Nd4 Qf7-/+) 41...Qg7 (41...Qf6!? 42.gf6 Nc6-/+) 42.Ng4=+ Kh8 43.Nh6 (43.g6 Qf6 (worse 43...hg6 44.Qh4 Qh7 45.Qg5+-) 44.Nf6 Bb5 (worse 44...Ng6 45.Bg6 hg6 46.Nd7+-) 45.gh7 a3=+) 43...a3 (better 43...Rf8!? 44.Ba4 Ba4 (worse 44...Rf6 45.ef6 Qf8 46.Bd7+-) 45.Ra4 Rf6 46.ef6 Qf8 47.fe7 Qe8+- (47...Qe7?? 48.Ra8 Qf8 49.Rf8 Kg7 50.Rg8)) 44.Nf7= Kg8 45.Ra3 Ra3 46.Nh6 Kh8 47.Nf7 Kg8 48.Nh6 Kh8 49.Nf7 Kg8 ½–½. Komodo 7a 64_bit 4CPU – Stockfish DD 64_bit 4CPU, CCRL, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f6)

    6.ab4 Bb4 7.c3 Be7 8.d4 fe5 9.de5 Nh6 10.Bh6= gh6 11.Bd3 (11.Nd4 Qc7 12.Bb5 Nc6 13.Qh5 Kd8 14.Bc6 bc6=) 11...0-0 12.Qd2 Bg5 13.Qe2 Rf7 14.h4 Be7 15.Qe3 Qf8 16.Ra4 (16.Ra7!? Bc5 17.Qc5 Qc5 18.Ra8=+) 16...Nc6 17.Rg4 Kh8 18.Ng5?? (18.Nbd2 Bd7=+) 18...Rf5 (better 18...hg5 19.hg5 Bc5-+) 19.Nh7? (better 19.Nf3=+) 19...Kh7-+ 20.Kf1 (20.Nd2-+) 20...Bc5 21.Qf4 Ne7 (21...Qh8!? 22.Rh3 Ne5 23.Rg5-+) 22.h5 Bd7 23.Qg3 (23.Bf5 Qf5 24.Qf5 ef5-+) 23...a6 (23...Kh8 24.Bf5 Qf5 25.Nd2-+) 24.c4 (24.Kg1 Bb5 25.Bf5 Nf5-+) 24...Kh8 25.Bf5 Nf5 (worse 25...ef5 26.Rgh4-+) 26.Qf4 Ne7 (26...dc4!? 27.Kg1-+) 27.Qd2 (27.Qf6 Qf6 28.ef6 Rg8-+) 27...Rd8 28.Rf4 Qg7 29.Rf6 Ng8 (29...dc4?! 30.Rh6 Kg8 31.Rf6-+) 30.Rg6 Qe5 31.Rh3 Rf8 32.Rhg3 Rf2 (32...Qh5?! 33.Rg8 Rg8 34.Rh3 Qh3 35.gh3-/+) 33.Qf2 Bf2 34.Rg8 Kh7 35.Kf2 Qb2 36.Ke3 Qe5 ½–½. Gajewski,G (2245) – Wisniewski,Adr (2280), ch–Poland Semi–Finals, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f6)

    6.ab4 fe5 7.Ne5= Nf6 8.c3 Bd6 9.d4 0-0 10.Bd3 Nc6 11.f4 Bd7 12.0-0 Be8 13.Nd2 Bh5 14.Qe1 Be5 (14...Ne7 15.Nb3+=) 15.fe5+- Nd7 16.Rf8 Nf8 17.Nb3 Bg6 18.Bg6 (18.Be2 Nd7+-) 18...Ng6+= 19.Nc5 Qe7 (19...Qc8+=) 20.b5 (better 20.Qg3!? Qf7 21.Qg4+-) 20...Nce5=+ 21.b6 a6 22.Ba3 (22.h4!? Nc4 23.Bg5=+) 22...Nc4-/+ 23.Bb4 Qf7 (23...Nb6 24.Na4 Qg5 25.Qe6 Kh8 A) 26.Nb6?? Nf4 27.Qd5 Nd5 (27...Qd5?! 28.Nd5 Nd5 29.Re1=) 28.Na8 Qd8-+; B) 26.Qb6 Nh4 27.Ra2 Re8-+; C) 26.Re1=) 24.Qe6 Qe6 25.Ne6 Nb6 26.Bc5 (26.Rb1 Nc4 27.Nc7 Rd8-/+) 26...Nd7 (26...Nc4 27.Nc7 Rd8 28.Rb1-/+) 27.Nc7 (better 27.Rb1!? Nc5 28.dc5=+) 27...Rc8-/+ 28.Nd5 (28.Bd6 Nf6 29.Bg3 h5-/+) 28...Nc5-+ 29.dc5 Rc5 30.Rd1 Kf7 31.Rd3 (31.Nb6 Rc3 32.Rd7 Kf6 33.Rb7 Nf4-/+) 31...Ke6 32.Nb6 (32.Nb4 a5 33.Nc2 Ne5-+) 32...Rc6 33.Re3 Kd6 (33...Ne5 34.Na4-+) 34.Rd3 Kc5 35.Nd7 Kc4 36.Rg3 (36.Rf3 b5-+) 36...Rd6 37.Rg4 Kc3 38.Nc5 Rd1 39.Kf2 Rb1 40.Rg3 Kc4 41.Ne6 Rb2 42.Kf1 a5 0–1. Koop,Thilo – Ploetz,Juergen, GER op Germany, 1993. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f6)

    6.d4 Qc7 7.ab4 fe5 8.de5 Nc6 9.Bb5 Bb4 10.Bd2 Bd2 11.Qd2 Nge7 12.Qg5 0-0 13.Bd3 Nf5 14.0-0 Ne5 15.Ne5 Qe5 16.Nd2 Qf6 17.Qh5 Bd7 18.Rab1 b6 0–1. Mignoni,Yusana (1850) – Choma,Ernani Francisco (2265), BRA–ch U20 Florianopolis, 2003. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    6.d4 Nd7 7.ab4 fe5 8.de5 Bb4 9.c3 Bc5 10.Bd3 (10.Ba3 Ne7=+) 10...Ne7-/+ 11.0-0 Qc7 12.Re1 Nf8 (12...0-0 13.Ra2 h6 14.Ba3-/+) 13.Nbd2 (13.Ba3 Bd7=) 13...Bd7 (13...Nfg6 14.Ba3 0-0 15.Bc5 Qc5 16.c4=+) 14.Nb3 (14.c4 Bc6=) 14...Nfg6 (14...Bb6 15.Nbd4=) 15.h4 (15.Nc5 Qc5 16.Qb3 Qc6=) 15...Bb6=+ 16.h5 Nf8 17.Ba3 Ba4 (17...Qc3?? 18.Rc1 Ba5 19.Rc3 Bc3 20.Re2+-) 18.Bd6 Qd7 19.Nfd4 Bd4 (19...a6 20.Re2=) 20.cd4+= b6 21.Qb1 Rc8 (21...Nc8 22.Bf8 Kf8 23.Nd2+=) 22.Ba6 Rc3 23.Nc1 Kf7?? (better 23...b5+=) 24.Be7+- Qe7 25.Ra4 Qh4 (25...Qg5 26.Ne2 Rc7 27.Rc1 Rc1 28.Nc1+-) 26.Ne2 Rc7 27.Rc1 Re7 28.Ra3 Qh5 (28...Kg8 29.Rh3 Qg5 30.h6+-) 29.Rf3 (better 29.Qb4!? Nd7 30.Rf3 Nf6+-) 29...Kg8 30.Rc8 (30.Bb5 g5+-) 30...Rf7 31.Ng3 Qg4 32.Rf7 Kf7 33.Qb5 Kg6 34.Qb4 Qf4 35.Bd3 Kh6 36.Ne2 Qf7 37.Qc3 g5 (37...Qe7 38.Rc7 Qg5 39.Ra7+-) 38.Rc7 (38.Rc7 Nd7 39.Bb5+- (worse 39.Ra7 Rf8 40.f3 Qe7+-)) 1–0. Dannevig,Oystein (2245) – Diesen,Bruce (2360), NOR–ch, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f6)

    6.d4 fe5 7.de5 Nc6 8.Bd3 Qc7 9.Qe2 g6 10.0-0 Bg7 11.Re1 Nge7 12.ab4 Nb4 13.Ba3 Nd3 14.cd3 Bd7 15.Nbd2 Bc6 16.Nb3 b6 (better is 16...Nf5!?=) 17.Nbd4+/- Bd7 18.Rac1 Qb7 19.Qd2 h6 20.Qf4 g5 21.Qg4 Kf7 22.h4 gh4?? (better is 22...Rac8+/-) 23.Be7+- 1–0. Dodwell,Philip (2060) – Scrimgour,Alan (2120), BCF–chT4, 2006. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 d5)

    6.d4 fe5 7.Ne5 Nf6 8.h4 (8.Bd2 ba3 9.Na3 Be7=) 8...Nc6=+ 9.h5 (9.Bb5 Bd7 10.Bc6 Bc6=+) 9...Qb6 (9...Ne5 10.de5 Nd7 11.f4-/+) 10.Nf3 (10.Nc6 bc6 11.h6 e5-/+) 10...ba3 (better 10...Ne4-/+) 11.Na3? (better 11.Ba3!? Ba3 12.Ra3-/+) 11...Bb4-+ 12.Bd2 Bd2 (12...Nd4 13.Bb5 Nb5 14.Bb4-+) 13.Qd2-/+ Qb2 (13...Ne4 14.Qe3-/+) 14.Qd1 Qc3 (14...Ne4 15.Bd3-/+) 15.Ke2 Ne4 (15...Qb2 16.Ke1-/+) 16.Nb5 Qb4 17.Qd3 0-0 18.Ra3 (18.h6 g6 19.Ra3 g5-+) 18...a6 (18...e5 19.Rb3 Qe7 20.de5-+) 19.Rb3 (19.h6 e5 20.Rb3 Qe7 21.de5 Nc5 (21...ab5 22.Qd5 Be6 23.Qe4 Bc4 24.Kd2 Bb3 25.hg7 Rfd8 26.Bd3 Qb4 27.Ke3 Qe4 28.Be4-+) 22.hg7 Nd3 (22...Nb3 23.Qh7 Kf7 24.g8Q Ke8 25.Qgg6 Kd8 26.Qe7 Ne7 27.Qd6 Ke8 28.Nc7 Kf7 29.Qf6 Kg8 30.Rh8) 23.gf8Q Kf8 24.Rd3 ab5-+) 19...Qa5 (19...Qe7 20.Nc3 Nc3 21.Rc3-+) 20.Nc3 (20.Ra3 Qb6 21.Ke1 Bd7-+) 20...Nb4 (20...e5 21.Ne4 de4 22.Qc4 Be6 23.Qe6 Kh8 24.h6 ef3 25.Kd3-+) 21.Qd1 (better 21.Rb4!? Qb4 22.Ne4 de4 23.Qe4-+) 21...Nc3 22.Rc3 Na2 23.Rb3 Nc3 24.Rc3 Qc3 25.Rh3? (25.Qd2 Qc7 26.Ne5-+) 25...Bd7 26.Ne5 Bb5 27.Nd3 Rac8 (27...e5 28.de5 Qe5 29.Re3 Qh5 30.f3-+) 28.Ke3 (28.Re3-+) 28...e5 29.de5 (29.f3 Qd4 30.Kd2 e4 31.fe4 de4-+) 29...Bd3 30.Bd3 Qe5 31.Kd2 Rf2 32.Be2 Re2! 33.Qe2 Rc2! (33...Rc2 34.Kc2 Qe2 35.Kc3 Qg2-+) 0–1. Londono,Omar (2015) – Nino,Juan Camilo (2070), Medellin COL, Feria de Flores, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 f6)

    5.e5 Nh6

    6.Bd3 Bc5 7.ab4 (7.Bb5 Bd7 8.Bd7 Nd7=) 7...Bb4=+ 8.c3 Bc5 (8...Be7 9.Ba3=+) 9.Qc2 (better 9.Bb5 Bd7 10.Bd7 Nd7 11.d4=) 9...Ng4?? (better 9...Nc6 10.Ba3 Bb6=+) 10.Qa4+- Nc6 11.Qg4 0-0 12.Bh7! Kh7 13.Ng5 (13.Ng5 Kg8 14.Qh5 Qg5 15.Qg5+-) 1–0. Durutovic,Dragutin (2020) – Lakusic,Zoran (1695), 3rd Podgorica Montenegro, Buducnost Ope, 2017.

    6.Bd3 Nc6 7.0-0=+.

    6.d4 Nf5 7.h4 (7.c3 bc3 8.Nc3 Nc6=+) 7...Nc6 (7...Qa5 8.Bd3-/+) 8.g4 Nh6 9.Bh6 gh6 10.ab4 Bb4 11.c3 Bf8 (11...Ba5 12.Qb3-/+) 12.Bd3 Bd7 13.g5 Qc7 (13...Rc8 14.Ra2=+) 14.Qd2 (14.gh6 Qb6 15.Na3 Na5=+) 14...0-0-0-/+ 15.Na3 Na5 16.Qb2 Kb8 (16...a6 17.Ke2-/+) 17.Kd2 (17.Ke2=+) 17...Ba4 (17...hg5!? 18.hg5 Bc6-/+) 18.Nb5=+ Bb5 19.Qb5 Nc6 20.Qa4 hg5 (20...b6 21.Rhb1=) 21.hg5= h6 22.Ke2 (22.Bb5 Bg7=) 22...b6=+ 23.Rhb1 (23.Rag1 Bg7=+) 23...Ka8 (better 23...hg5!? 24.Ng5 Rg8-/+) 24.Qa6 (better 24.g6 fg6 25.c4=) 24...Na5?? (better 24...Rb8 25.c4 hg5 26.cd5 ed5=) 25.g6+- fg6 26.Bg6?? (better 26.Ra5 ba5 27.Bb5+-) 26...Bg7 (26...Qc3?? 27.Rc1 Qb2 28.Rc2 Qc2 29.Bc2+-) 27.Bd3 Rhf8 (better 27...Rb8=) 28.Bb5?? (better 28.Ra5 ba5 29.Qe6+=) 28...Qc3-+ 29.Bd3 Rf3! 30.Kf3 Qd4?? (better 30...Qd2 31.Kg2 Rf8-+) 31.Ra5 Rf8 32.Ke2 Rf2 33.Kd1 Qg4 34.Ke1? (34.Be2 Qe2 35.Qe2 Re2 36.Rb6 Re5 37.Rba6=) 34...Qg1-+ 35.Bf1 Rf1! 36.Qf1 Qf1 37.Kf1 0–1. Hirzel,Andre – Dittmar,Peter (2310), Liechtenstein op, 1992.

    6.ab4 Bb4

    7.c3 Be7

    8.d4 Nc6 9.Bd3 (9.Bh6 gh6 10.Bd3 Rg8=) 9...f5 (9...Nf5 10.Ba3=+) 10.Bh6 gh6 11.Qd2 Bf8 12.0-0 Bd7 (12...Rg8 13.c4=) 13.Be2 (13.c4 Qb6 14.Qe3 Nb4+=) 13...Bg7 (13...Rg8 14.Qb2=) 14.c4 Ne7 15.Na3 a6 16.Rfb1 Bc6 17.c5 0-0 18.Nc2 Ng6 ½–½. Korchmar,V (2215) – Delemarre,J (2455), Aeroflot Open B, 2011. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6)

    8.d4 Nf5

    9.Bd3 0-0 10.0-0 Nc6 11.g4 (11.Qc2 h6=+) 11...Nh4-/+ 12.Nh4 Bh4 13.f4 Be7 14.g5 g6 15.Rf3 Kg7 16.h4 (16.Ba3 Bd7=+) 16...Rh8 (16...b6 17.Ba3-/+) 17.h5=+ h6 (17...gh5 18.Rh3 Kf8 19.Kf1=) 18.hg6 (18.gh6 Kg8 19.Rg3+=) 18...hg5= 19.fg5 (19.gf7 Kf7 20.fg5 Ke8=) 19...fg6 20.Rf6 Bf6 21.gf6 Kf8 22.Bg6 b5 (22...Ne5 23.de5 Qc7 24.Ba3 Kg8 25.Qg4 Qb6 26.Kg2 Rh2 27.Kh2 Qf2 28.Kh3 Qf1 29.Kh4 Qe1 30.Kh5 Qh1 31.Kg5+-) 23.Ba3 b4 24.cb4 (worse 24.Bb4 Nb4 25.cb4 Qb6=+) 24...Ne5 25.b5 Kg8 26.de5 Qb6 27.Kg2 Qe3 28.Qg4 Qh6 (28...Rh2 29.Kh2 Qe5 30.Kg2 Qf6+-) 29.Bh5 (29.Be8 Kh7 30.Bc1 Qg5 31.Bg5 Re8 32.Qh5 Kg8 33.Qg6 Kf8 34.Qg7) 29...Kh7 30.Bc1! Rg8 (30...Qc1 31.Qg6) 31.Qg8! (31.Qg8 Kg8 32.f7 Kh7 33.Bh6+-) 1–0. Williams,Lei (2285) – Grechihin,V (2540), Olympiad Bled SLO, 2002. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.Bd3 0-0 10.0-0 Nd7 11.Ra2 Nb6 12.g4 Nh4 13.Nh4 Bh4 14.f4 Be7 15.f5 f6 16.Rg2 (16.Qe2!? fe5 17.de5=+) 16...fe5-/+ 17.de5 Bg5 (better 17...Nc4!? 18.Bc4 dc4-/+) 18.f6 gf6 19.ef6 Rf6 (19...Bf6 20.g5 Be7 21.g6+-) 20.Rf6 Qf6 (20...Bf6 21.g5 Bc3 22.Nc3+-) 21.Rf2 Qg7 22.Bg5 Qg5 23.Qf3 (23.Qc2!?-/+) 23...Qg7-+ 24.g5 e5?? (better 24...Bd7-+) 25.Bh7+- Kh8 26.Qh5?? (better 26.Bc2 Qg5 27.Rg2 Qc1 28.Bd1+-) 26...Bg4= (26...Qh7?? 27.Rf8 Kg7 28.Qf7) 27.Qg4 Qh7 (27...Kh7?? 28.Qh3 Kg8 29.Qe6 Kh8 30.Rf7 Qg5 31.Kf1+-) 28.Nd2 e4 29.h4 Re8 30.Nf1 Nc4 31.h5 (better 31.Qf4!?=+) 31...Ne5-/+ 32.Qe2 Qe7 33.g6 (better 33.Qe3!?-/+) 33...Nf3-+ 34.Rf3 ef3 35.Qf3 Qg5?? (better 35...Qe6-+) 36.Kh2=+ Qh4 37.Kg1 Qg5 (37...Qe7 38.Qd5 Rd8-+) 38.Kh2= Qh4 ½–½. Gharagyozian,A (2300) – Avetisyan,Mariam (2050), 13th Poti Open, 2018. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.Bd3 0-0 10.Qc2 h6=+.

    9.Bd3 0-0 10.g4 Nh4 11.Nh4 Bh4 12.g5 Bg5 13.Qh5 h6 14.f4 (14.Ba3 g6 15.Qg4 Be7 16.Bg6 Ba3 (worse 16...fg6 17.Qg6 Kh8 18.Qh6 Kg8 19.Rg1 Bg5 20.Rg5 Qg5 21.Qg5 Kf7 22.Qf6 Kg8 23.Bf8 Nc6 24.Qg7) 17.Bd3 Qg5 18.Qg5 hg5 19.Na3 Kg7=) 14...Bh4-/+ 15.Kf1 (15.Kd1 Kh8-/+) 15...f5 (15...Kh8!?-/+) 16.Rg1=+ Kh8 17.Ra2 (17.Rg6!? Rf7 18.Rh6 gh6 19.Qf7=) 17...Rg8-/+ 18.Nd2 Be7 19.Nf3 Qe8 (19...Bd7 20.Ng5 Bg5 21.fg5=+) 20.Rg6 Kh7 21.Rag2 Bd7 22.Ba3 Bd8 23.Bf8?? Exerts pressure on the backward pawn (23.c4 Na6 24.cd5+-) 23...Qf8-+ 24.Ng5 Bg5 25.fg5 Be8 26.gh6 gh6 (26...Bg6?! 27.Qg6 Kh8 28.h7-/+) 27.Rg8 Qg8 (27...Bh5?? 28.Rf8 Bd1 29.Rgg8+-) 28.Qh4 Qf7 29.Qd8 (29.Qg3 a5-+) 29...b5 30.Rf2 Bd7 (30...a5 31.Ke1-+) 31.Qc7 (31.Ra2-+) 31...Be8 32.Qc8?? (32.Qd8 a5 33.Ke1-+) 32...Qd7 33.Qc5 Na6 34.Qf8 Qf7 (34...Nc7!? 35.Ke1-+) 35.Rf5 Qf8 (35...ef5? 36.Bf5 Qf5 37.Qf5 Bg6 38.Qd7 Kh8 39.Qc6 (39.Qb5?! Nc7 40.Qc6 Bd3 41.Ke1 Rc8+-) 39...Bd3 40.Ke1+-) 36.Rf8 Kg7 37.Rf6 (37.Rf3 Rc8 38.Rg3 Kf8-+) 37…Nc7 0–1. Reinhart,E (2145) – Gasthofer,A (2410), IM Niederbronn FRA, 2003. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.Bd3 a6 10.0-0 Nc6 11.g4 (11.Ba3 0-0=+) 11...Nh4-/+ 12.Nh4 Bh4 13.f4 Be7 14.Qf3 (14.Nd2 0-0-/+) 14...g6 (14...h5 15.g5=+) 15.f5 (15.Ba3 Bd7=+) 15...ef5 (15...gf5 16.gf5 ef5 17.Bf5=+) 16.gf5 gf5 17.Na3 (17.Bf5 Be6=+) 17...Qa5-/+ 18.Be2 Na7 (18...Rg8 19.Kh1-/+) 19.Nc2=+ Qc7 20.Kh1 Be6 21.Bd3 (21.c4 Rc8=+) 21...h6 (21...Qc3 22.Rb1-+) 22.Ba3 (22.Bb2 f4-/+) 22...Qc3 23.Be7 Ke7 24.Ra3 Qc6 25.Qf4 (25.Nb4 Qb6 26.Bf5 Qb4-/+ (26...Qd4?? 27.Be6 fe6 28.Qf6 Kd7 29.Qg7 Kc8 30.Qh8 Kc7 31.Qa8 Qe4 32.Raf3+-)) 25...Nb5 26.Raa1 Qb6 (26...Nc3-/+) 27.Ne3 (27.Rfb1!?-/+) 27...Nd4-+ 28.Rab1 Nb5 29.Nf5 Kd7 (better 29...Bf5 30.Qf5 Qe6-/+) 30.Nd4= Qd8 31.Bb5 ab5 32.Rb5 Ra7?? (better 32...b6=) 33.Ne6 fe6 34.Rc1?? (better 34.Qf2 Rf8 35.Qf8 Qf8 36.Rf8 Ra1 37.Kg2+-) 34...Rf8= 35.Qg4 (35.Qh6 b6 36.Rb6 Qb6 37.Qg7 Rf7 38.Qf7 Kd8 39.Qf8 Kd7 40.Qc8 Ke7+-) 35...Ke7 36.Rbc5 b5 37.Rc6 Qd7 (37...Rf5 38.Qh4 Ke8 39.Re6 Re7 40.Rc8+-) 38.Rd6 Rf5 1–0. Komodo 8 64_bit 4CPU – Naum 4?6 64_bit 4CPU, CCRL, 2014. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.Bd3 Bd7 10.h4 (10.Qb3 Bc6=+) 10...Nc6=+ 11.Bf5 (11.h5 0-0=+) 11...ef5 12.Qb3 Qc7 13.Qd5 Be6 14.Qb5 a6 15.Qa4 (15.Qd3 b5=+) 15...0-0-/+ 16.Ba3 f6 17.ef6 Rf6 18.Be7 Qe7 19.0-0 Bd5 20.Nbd2 b5 21.Qc2 Qc7 22.Rfe1 Qf4 23.Qd3 Qg4 24.Ra6?? (better 24.Nf1 Rg6 25.Ng3 Bf3 26.gf3 Qh4 27.Qf5-/+) 24...Ra6-+ 25.Qb5 Ra5 26.Qb7 h6 27.Re8 Kh7 28.Qc8 Ra1 29.Kh2 Qf4 30.g3 Qg4 (better 30...Qd2 31.Rh8 (31.Nd2?? Rh1) 31...Kg6 32.Qe8 (32.Nd2 Rh1) 32...Rf7 33.Qe6 (33.Nd2 Rh1) 33...Be6 34.Nd2-+) 31.Ng5?? (better 31.Rh8 Kg6 32.Qd7 Bf3 33.Qe8 Rf7 34.Qe6 Kh5 35.Qf7 g6 36.Rh6 Kh6 37.Qf8 Kh7 38.Qf7 Kh8 39.Qf8 Kh7 40.Qf7 Kh8 41.Qf8 Kh7=) 31...Qg5! 32.Rh8 (32.hg5 Rh1) 32...Kg6 33.Qe8 (33.hg5?? Rh1) 33...Rf7 34.Rh6 (34.Qe6 Be6 35.hg5-+) 24…Qh6 (34...Qh6 35.Nf3 Bf3 36.Qe6 Rf6 37.Qe8 Kh7 38.Qh8 Kh8 39.c4 Rh1) 0–1. Lerch,Patrice (2290) – Bus,D (2200), Open A Pardubice CZE, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.Bd3 Nd7 10.Qa4 0-0 11.Qc2 f6 12.g4 fe5 13.Ne5 (worse 13.gf5 e4 14.Be4 de4 15.Qe4 Nf6-/+) 13...Ne5 14.de5 Nh4 15.Bh7 Kh8 16.f4 Bc5 (16...g5 17.fg5 Bg5 18.Ba3-/+) 17.Rf1 (17.Bd3 b6=) 17...Ng2 18.Qg2 Qh4 19.Kd1 Qh7 20.Rf3 Kg8 21.Nd2 Bd7 (21...Rf7 22.c4 dc4 23.Rh3=+) 22.f5+= ef5 23.Rh3 Qg6 24.Qd5 Rf7 25.e6 (better 25.Qc5 Qg4 26.Rf3+=) 25...Be6-/+ 26.Qc5 Qg4 27.Rf3 Rd7 28.Qe3 Re8 29.Kc2 Bb3 30.Nb3 Re3 31.Re3 Qd1 (31...f4!? 32.Re8 Kf7-/+) 32.Kb2 f4 (better 32...b6!?-/+) 33.Re8+= Kf7 34.Bf4 Qf3 (34...Qa1! 35.Ka1 Ke8+=) 35.Ree1+- Qg2 36.Ka3 Qc6 37.Be5 (better 37.Re3!?+-) 37...Rd5= 38.Bd4 (better 38.Kb2 Rb5 39.Bd4 Qg2 40.Ka3 Qh2 41.Ka4= (41.Ba7 Qc2 42.Rf1 Kg8-+)) 38...Qa6?? (better 38...Qd6 39.Kb2 Qh2 40.Kb1 a6=) 39.Kb2+- Qd3 (39...Qh6 40.Re2 (worse 40.Ra7 Qh2 41.Kc1 Qc7+-) 40...a6 41.Rf1 Kg8 42.Re7 Rd4 43.Nd4 Qh2 44.Ka1+-) 40.Re3 (40.Ra7 Rb5 41.Ka3 g5+-) 40...Qb5 (40...Qc4 41.Ra7 (worse 41.Ba7 Rb5 42.Ra3 Qf1+-) 41...Rb5 42.Ra3+-) 41.Ra7 (41.Ba7?! Rd2 42.Ka3 Rd6+-) 41...Rf5 42.Re4 Qc6 43.Rg4 g6 44.Rh4 (44.c4 Rh5 45.Rf4 Rf5 46.Rf5 gf5+-) 44...Rb5 45.Rf4 Ke7 46.Rf2 (46.c4 Rf5 47.Rg4 Rf3+-) 46...Qc4 47.Ra3 g5 48.Kc2 Qd5 (48...Qc6 49.Ra4+-) 49.Nd2 Qe6 (49...Kd7 50.Kd3 Qe6 51.c4+-) 50.c4 Qg6 51.Kc1 (51.Kc3 Rf5 52.Rb3 Rf2 53.Rb7 Kd8 54.Bf2 Kc8+-) 51...Rf5 52.Re3 (52.Rb3 Rf2 53.Rb7 Kd8 54.Bf2 Qc6+-) 52...Kd7 53.Rfe2 Qd6 54.Be5 (54.Ne4 Rf1 55.Kc2 Qg6+-) 54...Qa6 55.Bb2 Qd6 56.Ba3 Qg6 (56...Qd4 57.Kc2 Kc7 58.Rd3+-) 57.Re7 Kd8 58.Rb7 Qa6 59.Rb3 1–0. Bezemer,Arno (2230) – Von Berg,Philip, 4th Steinweg open tournament, 1990. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.Bd3 h5 10.Na3 (10.Ba3 Nc6=) 10...Bd7 (10...Nc6 11.Nb5=+) 11.Qb3= Qb6 (11...Bc6 12.0-0=) 12.Qb6 ab6 13.0-0 b5 14.Bb2 b4 15.cb4 Bb4 16.Nc2 Ra1 17.Ra1 Be7 18.Bf5 ef5 19.Ne3 Be6 20.Ra5 b6 21.Rb5 Kd7 22.Rb6 (22.Nd5? Bd5 23.Rd5 Kc6 24.Rd6 Bd6 25.ed6 Kd6-+) 22...Kc7 (22...Nc6 23.Rb7 Kc8 24.Rb3=) 23.Rb3 Nc6 24.Ba3 Ba3 25.Ra3 f4 26.Nd1 Rb8 27.Nc3 Rb4 (27...g5 28.Ng5 Nd4 29.h3=) 28.h3 Kd7 (28...Rb2 29.Ra2 Ra2 30.Na2=) 29.Ne2+= g6 30.Nf4 (30.Ra2 Bf5+=) 30...Nd4= 31.Ra7 Ke8 32.Nd4 (32.Ng5 Nc6 33.Ra6 Rf4 34.Rc6 Rf5=) 32...Rd4 33.Ne6 fe6 34.f3 (34.g3 Re4 35.f4 g5 36.fg5 Re5=) 34...Kf8 (34...Rf4 35.Ra8 Kf7 36.Ra7 Kf8 37.Ra6=) 35.Kf2 h4 (35...Rd2 36.Kf1=) 36.Ra8 ½–½. Wittmann,Marc (2230) – Hareux,Hubert (2235), Ch France (team) (nat.1), 2006. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.h4 h5 10.Bd3 Nc6 11.g3 Bd7 12.0-0 Qc7 (12...0-0 13.Ba3=+) 13.Na3 (13.Ba3 b6=+) 13...a6 (13...0-0 14.Nd2=+) 14.Bf4 Ba3 (14...Qb6 15.Bg5=+) 15.Ra3= Nce7 (15...Nfe7 16.Nd2=) 16.Qe2 (16.Nd2 b5=) 16...Bc6 (16...Ng6 17.Bd2=) 17.Nd2 (17.Rfa1 a5=) 17...a5 (17...Ng6 18.Bg5=) 18.Nb3 (18.Bg5 b6=) 18...b6 19.Rb1 Rb8 (19...a4 20.Nd2=) 20.Nd2 (20.Qb2 0-0=) 20...Ng6 (20...Ra8 21.Bg5=) 21.Bg5 Nfe7 (21...Ra8 22.Rab3 Rb8 23.Qf3=) 22.c4 (22.Rc1 Nf5=) 22...Nf8 (22...Nf5!? 23.Bf5 ef5=) 23.Rc3+= Qa7 24.cd5 Bd7 25.Be7 Ke7 26.d6 Ke8 27.Rc7 Rb7 28.Rbc1 g5 (28...Rc7 29.dc7 Ke7+-) 29.Bb5 (29.Bb5 Rc7 30.dc7+-) 1–0. Kieffer,Christian (2145) – Achereiner,Guillaume (2025), Pau FRA, Open Ch–A, 2008. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.h4 h5 10.Bd3 Nc6 11.g3 Bd7 12.Ng5 Na5 (12...Qc7 13.Ba3=+) 13.Nh3 Qb6 14.Bc2 Bb5 (14...Rc8 15.Nf4=+) 15.Nf4 Bc4 (15...Nc4!?=+) 16.Nd2= 0-0-0 (16...Nh6 17.Nh5 g6 18.Nf4+=) 17.Nc4 (17.Bf5 ef5 18.Qc2 g6+=) 17...Nc4 18.Bf5 ef5 19.Qa4 (19.Qd3 Kb8 20.Qf5 Qb3+-) 19...Qa6= 20.Qa6 ba6 21.Ra6 Kb7 22.Ra4 Nb6 23.Ra5 Attacks the isolani on d5 23...g5 (23...Rd7 24.Ke2+=) 24.hg5+- Bg5 25.Nd3 (25.Ke2 h4 26.gh4 Rh4 27.Rh4 Bh4+-) 25…Bc1 ½–½. Kieffer,Christian (2200) – Housieaux,David (2325), It Open Le Touquet FRA, 2005. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    9.g4 Nh4

    10.Nh4 Bh4 11.Bd3 Nc6 12.0-0 Bd7 13.f4 Be7 14.f5 (14.Nd2 0-0-/+) 14...Qc7 (14...h5 15.Qb3 hg4 16.fe6 Be6 17.Qb7-/+) 15.Na3 Na5 (15...Qb6 16.Rb1 Qa5 17.Qb3=+) 16.Nb5 Bb5 17.Bb5 Nc6 (17...Kd8 18.fe6 fe6 19.Ba3 Ba3 20.Ra3=+) 18.fe6 fe6 19.g5 a6 20.Qg4 (20.Bd3 h6=) 20...Kd7=+ 21.Be2 Nd8 (21...Rhf8 22.Bf3 Nd8 23.Bd2=+) 22.Bd2 Rc8 23.c4 (23.Rfc1 h5 24.Qh4 Nc6=) 23...dc4=+ 24.d5? (better 24.Rfc1 b5 25.Ra6=+) 24...Qc5 25.Kh1 (25.Rf2 Qd5 26.Rd1 Ke8-+) 25...Qd5 26.Bf3 Qc5 (26...Qe5 27.Rae1 Qb2 28.Bc1-+) 27.Ra5 Qb6 (27...b5-+) 28.Rd1? (28.Rd5 Ke8 29.Ba5+=) 28...Kc7?? (better 28...Ke8-+) 29.Qc4-/+ Kb8 30.Qa2 Nc6 (30...Rf8 31.Rb1 Qf2 32.Bg2 Bg5 33.Ra6 Qd2 34.Ra8 Kc7 35.Qc4 Kd7 36.Qc8 Ke8 37.Qe6 Be7 38.Bb7+-) 31.Rb1 Qf2 32.Bg2 Rhd8?? (better 32...Na5 33.Qa5 Rc7 34.Qa6 Qa7 (34...Qd2?? 35.Rb7 Kc8 36.Rb8 Kd7 37.Qb5 Rc6 38.Qc6) 35.Qe6 Rd8-/+) 33.Ra6+- Rd2?? (33...Bb4 34.Ra8 Kc7 35.Bb4 Qa2 36.Bd6 Rd6 37.ed6 Kd6 38.Ra2 Rc7+-) 34.Ra8 Kc7 35.Rc8 (35.Rb7 Kd8 36.Rc8 Kc8 37.Qa8 Nb8 38.Qb8) 35...Kc8 36.Qa8 Nb8 37.Qb7 (37.Qb7 Kd8 38.Qb8 Kd7 39.Rb7) 1–0. Theuretzbacher,K (2230) – Niederwieser,P (2190), TCh–AUT, 2012. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4)

    10.Nh4 Bh4 11.Bd3 Nc6 12.0-0 Be7 13.f4 Bd7 14.Nd2 Qc7 15.Ba3 Ba3 16.Ra3 h5 (16...b6 17.Qc2=+) 17.gh5 0-0-0 18.Rf2 g6 (better 18...Rdg8!?=+) 19.hg6+- fg6 20.Nf3 Rdf8 21.Qd2 Kb8 (21...Be8 22.c4+=) 22.c4+- dc4 23.Bc4 Ne7 24.Qa2 Nc8 25.Ng5 (25.Be6? Be6 26.Qd2 Bd5-+) 25...Rh4 26.Be6 Rhf4 27.Rf4 Qc1 28.Kg2 Qf4 (better 28...Rf4!? 29.Bd7 Rd4=+) 29.Nf3+- (29.Bd7 Qf1 30.Kg3 Qf4 31.Kg2 Qg5 32.Rg3 Qf4=+) 29...Bb5 (29...Be6 30.Qe6 Qc1 31.Ra2+-) 30.Rc3 (30.Qb2 a6 31.d5+-) 30...Nb6+= 31.Qd2 White prepares the advance d5 31...Qe4 32.d5?? (better 32.Qh6 Rd8 33.Kg3+=) 32…Be2-+ (32...Be2 33.Kg1 Rf3 34.Rf3 Qf3-+ (34...Bf3?! 35.d6-+)) 0–1. Mortensen,Erling (2450) – Farago,Ivan (2510), Esbjerg, 1985. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    10.Nh4 Bh4 11.Bd3 Nc6 12.Ba3-/+.

    10.Nh4 Bh4 11.Bd3 Be7 12.0-0 Bd7 13.f4 Nc6 14.f5 (14.Nd2 Qb6 15.Nf3 Qc7=+) 14...Qc7 (14...h5 15.Qb3 hg4 16.fe6 Be6 17.Qb7-/+) 15.Na3 a6 16.Nb5 Qb8 17.f6 gf6 18.ef6 Bf8 (better 18...Bf6!? 19.Rf6 ab5 20.Ra8 Qa8 21.Bb5 Qa1-/+) 19.Bf4+= e5 20.de5 Be6 21.Nd6 Bd6 22.ed6 Qc8 (22...Qd8 23.Bh6 Kd7 24.Bg7+=) 23.g5+- Qd7 (23...Kd8 24.Qb1+-) 24.Qe2 0-0?? (better 24...Kd8+-) 25.Bh7! Kh7 (25...Kh7 26.Qh5) 26.Qh5 Kg8 27.Qh6 (27.Qh6 Qd6 28.Qg7) 1–0. Lampen,T (2305) – Olsen,An, Eikrem mem Gausdal NOR, 2000. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4 5.a3 Nh6 6.ab4 Bb4 7.c3 Be7 8.d4 Nf5)

    10.Nh4 Bh4 11.Bd3 f6 12.0-0 (12.g5 fg5 13.Qh5 Kd7 14.Bh7 g4=) 12...0-0 13.f4 fe5 14.de5 Be7 15.Qc2 (15.Be3 Nc6-/+) 15...Bc5 16.Kg2 Qh4 17.Rf3 Nc6 18.Ba3 (better is 18.Rh3 Qg4 19.Rg3-+) 18...Ne5 (18...Qg4?! 19.Rg3 Qh5 20.Be2+=) 19.Bh7?? (19.fe5 Qg5) 19...Qh7 (19...Kh8 20.Bc5 Nf3 (20...Qh7? 21.Qh7 Kh7 22.Rh3 Kg8 23.Bf8 Ng4 24.Bc5+-) 21.Kf3 e5-+) 20.Qh7-/+ Kh7 21.Bc5 Nf3 22.Bf8 Ne1 23.Kf2 Nd3 24.Ke3 Nb2 25.Nd2 Bd7 26.Bc5 Na4 27.Bd4 a6 28.Nf3 Rc8 29.Ng5 Kg8 30.Kd2 Nb2 31.Nf3 Nc4 32.Kc2 a5 33.Ne5 Ne5 34.Be5 a4 35.h4 b5 36.Rb1 Rc4 37.Rb4 Re4 38.Kd2 Be8 39.h5 g6 40.hg6 Rb4 41.cb4 Bg6 42.Bd4 a3 43.Ke2 Kf7 44.Kf2 a2 45.Kg3 Bc2 46.Kh4 Kg6 47.Kg3 Bd1 48.Kh4 ½–½. Salmensuu,Olli – Zilberman,Yaackov, European Club Championship, 2001. (=1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 cb4+= 5.a3 Nh6)

    4.Nf3 Nf6

    5.Bd3 Nc6 6.0-0 Be7 7.Bb2 d6 8.e5 de5 9.Ne5 Ne5 10.Be5 Bd7 11.Qf3? (11.ab4 Bb4 12.Nc3 0-0=) 11...Bc6+= 12.Qh3? (better is 12.Qg3+=) 12…g6 0–1. Chagasov,Oleg – Skokov,Boris, Omsk RUS, City Ch, 2012. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6)

    5.Bd3 Nc6 6.Qe2 e5 7.Bc4 Be7 8.ab4 Bb4 9.c3 Be7 10.d4 d6 11.0-0 0-0 12.h3 h6 13.Rd1 Qc7 14.Na3 a6 15.Nh4 Na5 16.Ba2 Re8 17.Rd3 Bf8 18.Rg3? (better 18.d5-/+) 18...ed4-+ 19.Bh6 Re4 (better 19...dc3 20.Rc1 Ne4 (20...Re4?! 21.Qf3 d5 22.Bg7 Bg7 23.Qf6-+) 21.Rgc3 Qd8-+) 20.Qf3 Rh4 (20...d5 21.Bg7 Bg7 22.Qf6-+) 21.Qf6-/+ Pawn g7, live or die! 21...Rh6 (better 21...Rg4! 22.Rg4 Bg4 23.Qd4 Bh3 24.gh3 gh6+=) 22.Qh6+= d5 23.Qg5 Be6 24.cd4 Qd7 25.Bb1 Nc6 26.Nc2 g6 27.Ba2 Bg7 Attacks the isolani on d4 28.Rd1 Rc8 (28...a5=) 29.Ne3 The pressure on the isolated pawn grows (better 29.Rc3!?+=) 29...Nd4=+ 30.Nd5 (30.Rd2 Rc5=+) 30...Bd5 (30...Rc5 31.Rd4 Bd4 32.Rd3 Bd5 33.Rd4-+) 31.Bd5 Ne2 32.Kh2 Ng3 33.Qg3 Qf5 34.f4 (34.Bb7?? Be5 35.Bc8 Bg3 36.Kg3 Qc8-+) 34...b5 35.Bb7 Rb8 36.Bf3 Bh6 37.Rd4 Qf6 38.Re4 Rd8 39.Bg4 (39.Qg4-+) 39...Rd4 40.Qc3? (40.Re8 Kg7 41.Kg1 Qf4 42.Qf2-+) 40…Bf4 (40...Bf4 41.Kg1 Rd1 42.Bd1 Qc3 43.Rf4 b4-+) 0–1. Christensen,Bo Garner (2195) – Plischki,Sebastian (2375), 15th Prague Open, 2016. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6)

    5.e5 Nd5

    6.ab4 Na6 7.b5 Nc5 8.c4 Nb6? (better is 8...Nb4!? 9.d4 Ne4+=) 9.d4 Ne4 10.Bd3 Bb4 11.Kf1 (better is 11.Nbd2 d5 12.ed6+-) 11...Bc3?? (better is 11...f5=) 12.Nc3+- (12.Be4?! Ba1 13.c5 d5 14.ed6 Bd7+/-) 12...Nc3 13.Qb3 Nca4 (13...Nba4 14.Ra4 Na4 15.Qa4+-) 14.c5 (14.Ra4 Na4 15.Qa4 a5+-) 14...Nc5 (14...a5 15.ba6 ba6 16.cb6 Nb6 17.Bg5+-) 15.dc5 Nd5 16.b6! a6 (16...ab6 17.Ra8) 17.Bg5 (17.Be4!? h6+-) 17...f6 18.Bh4 (18.Bd2 fe5 19.Bg5 Nf6 20.Ne5 Ne4+-) 18...g5 (18...Qe7 19.Qc4+-) 19.Bg3 f5 20.Bf5! ef5 (20...Qe7 21.Be4 h5 22.Bg6 Kd8 23.h4 Qc5 24.Ng5+-) 21.Qd5 f4 22.Nd4 Rf8 23.Nb5! ab5 24.Ra8 fg3 (24...h5+-) 25.hg3 Rf7 26.Rh7! b4 (26...Rh7 27.Qd3) 1–0. Woerlein,Rene – Egle,Martin, Crailsheim op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nf6 5.e5 Nd5)

    6.ab4 Nb4 7.c3 N4c6 8.d4 d6 9.ed6 Bd6 10.Bd3 Nd7 11.0-0 b6 12.Re1 0-0 13.Bc2 (13.Bg5 Nf6=) 13...Bb7 14.Qd3 g6 15.Bh6 Re8 16.Nbd2 Bf8 (16...Qc7 17.Bg5=+) 17.Bf8 Nf8 18.h4 (18.Qe3 Nd7=) 18...e5 (18...a6!?=+) 19.de5= Qd3 20.Bd3 Ne6 (20...Nd7 21.Nc4 Nc5 22.Bc2=) 21.Ne4+= Nf4? (21...Re7 22.Nd6+=) 22.Bb5 (22.Nf6 Kf8 23.Ne8 Nd3+/-) 22...a6 (22...Re7 23.g3 Ne6 24.Nd6+=) 23.Bc6 (23.Nf6 Kf8 24.Ne8 Ke8+-) 23...Bc6+/- 24.Nf6 Kg7 (24...Kf8!? 25.Ne8 Ke8+-) 25.Ne8+- Re8 (25...Be8 26.Reb1 b5 27.Nd4+-) 26.Ra6 Bf3 27.gf3 Rc8 28.Re4 (28.Rb6 Rc3 29.Rb7 Ne6+-) 28...Ne6 (28...Nd5 29.c4 Nc3 30.Re1 Rc4 31.Rb6 Rh4 32.Rb7+-) 29.Rb6 Rc3 30.Kg2 Rc7 31.f4 Kh6 32.Kg3 (32.Reb4 Rc3+-) 32...Ng7 (32...Kh5+-) 33.Rf6?? (better 33.Kg4+-) 33...Nh5= 34.Kg4 Nf6 35.ef6 Rc6 ½-½. Fier,A (2560) - Hnydiuk,A (2410), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    6.ab4 d6 7.b5 de5 8.Ne5 (8.Nc3 Qc7 (8...Nd7 9.Bb2 Qc7 10.Bd3 Nf4 11.0-0 Be7 12.Be2 0-0) 9.Bb2 Nd7 10.Be2 Be7 11.0-0 0-0 12.Ra4 f6; 8.c4 Nf6 (8...Nb4 9.Nc3 Nd7 10.Be2 Qf6 11.Ra4 Nb6 12.Ra3 Qf5) 9.Nc3 Nbd7 10.Be2 e4 11.Ng5 Nc5 12.0-0 h6) 8...Bd6 (8...Nd7 9.Nc4+= (9.Nd7 Bd7 10.Nc3 Qf6 11.Qf3 Qf3 12.gf3 Bd6) 9...Qh4 10.Bb2 N7f6 11.Nc3 Bc5 12.g3 Nc3) 9.d4 (9.Nc4 0-0= 10.Nc3 Bc5 11.Bb2 Nd7 12.Ne4 Bb4) 9...Nd7 (9...Qh4 10.Qg4 Qg4 11.Ng4 Nd7 12.Nd2 Bb4) 10.Nd7 (10.Nc4 Bc7 11.Ba3 Qh4 12.Qd3 N7f6) 10...Bd7 (10...Kd7 11.c4 Nb4 (11...Nf6 12.Nc3 Bb4) 12.c5+- Bb8) 11.c4 Nf6 (11...Ne7 12.Nc3= 0-0) 12.Be2+= (12.c5 Bc7) 12...0-0 13.c5 Be7 14.Nc3 Qc7 15.f4 Rfd8 16.Qb3 Be8 (16...a6!?=) 17.Be3+= Nd7 (17...b6 18.c6 a6 19.Ra6 Ra6 20.ba6 Bc6 21.0-0+=) 18.0-0+/- Nf8 (18...Nf6 19.Rfb1+/-) 19.Bf3 (19.f5 Bf6 20.Rad1 Qe7+-) 19...Bf6 20.Rfd1 Ng6 21.g3 Ne7 22.g4 (22.Ne4 a6 23.Nf6 gf6 24.ba6 Ra6 25.Qb7 Qb7 26.Bb7 Ra1 27.Ra1 Bc6 28.Bc6 Nc6+-) 22...Ng6 (22...h5 23.h3+= (worse is 23.gh5 Nf5 24.b6 ab6 25.cb6 Qc8+=)) 23.Ne2 Nh4 24.Be4 Qc8 25.h3 h5 26.g5+- Be7 27.Bf2 Nf5 28.Ng3 Ng3+= 29.Bg3 e5 30.fe5 Qh3 31.Qf3 Bg5 32.Bf2 Qe6?? 33.Bb7+- Rab8 34.Ra7 Bb5 35.Be4 Be8? 36.d5 Qe5 37.Bg3 Qb2 38.Qh5+/- Be3? 39.Kh1+- f5 40.Qf5 (40.Qf5 Rb7 41.Qh7 Kf8 42.Rf1 Qf2 43.Bf2 Bd4 44.Bd4 Bf7 45.Rb7 Rd7 46.d6 Ke8 47.Qh8 Bg8 48.Qg8) 1–0. Lampen,T (2325) – Ristoja,T (2195), TCh–FIN, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    6.Bc4 Nb6 7.Bb3 Nc6 8.0-0 a5 9.Bb2 Be7 10.d3 (10.ab4 Nb4 11.Nc3 0-0+=) 10...a4-/+ 11.Ba2 0-0 12.Nbd2 (12.Qe2 d5-/+) 12...ba3 13.Bc1 f5 (13...Qc7 14.d4-/+) 14.ef6 Bf6 15.Rb1 Be7 16.Ne4 Ra6 17.Qe1 Rf3 18.gf3 Qf8 19.f4 d5 20.Ng3 Nd4 21.Qd1 Na8 22.Be3 Nc6 23.c3 Nc7 24.Rb6 (better is 24.f5!?+=) 24...Rb6-/+ 25.Bb6 Nb5 26.Ne2 Qf5 27.Kh1 Bd6 28.c4 Nc7 29.Bc7 Bc7 30.cd5 ed5 31.Ng3 Qf4 32.Bd5 Kf8 33.Be4 Bh3 34.Rg1 Qf2 35.Qh5? (better is 35.Qa4 Bd6 36.Qa8 Nb8 37.Bb7=) 35...a2-+ 36.Rd1 Qf6 (36...Be6 37.d4-+) 37.d4-/+ Be6 38.Qc5 Kg8 39.Bc6 bc6 40.Qc6 Bb3 (40...Bb3 41.Qf6 gf6-+) 0–1. Enders,Peter (1825) – Espig,Lutz (2470), DDR–ch, 1978. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    6.Bc4 Nb6 7.Bb3 Nc6 8.0-0 a5 9.Re1 a4 10.Ba2 d5 11.ed6 Bd6 12.Re4 0-0 13.ab4 Nb4 14.Rd4 (14.Ba3 Nc6-/+) 14...Na2 (better is 14...Bh2!? 15.Kh2 Qc7 16.Kg1 Nc2+=) 15.Ba3-/+ Nd5 16.Ra2 b5 17.Bd6 Qd6 18.c4 bc4 19.Ra4 Ra4 20.Qa4 e5 21.Rc4 Qg6 22.Qb3 Nf4 (22...Nf4 23.g3 Ne2 24.Kf1 Nd4 25.Nd4 ed4-+) 0–1. Enders,Peter (1825) – Knaak,Rainer (2520), DDR–ch, 1978. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    6.Bc4 Nb6 7.Bb3 Nc6 8.ab4 Bb4 9.0-0 d5 10.ed6 Bd6 11.Bb2 0-0 12.Nc3 e5 13.Ne4 Bc7 14.Ba3 Ne7 15.h3 h6 16.Re1 Nbd5 (better is 16...Re8!?+=) 17.d4 Nf4 18.Ne5 Be5 19.de5 Ned5? (better is 19...Qc7+/-) 20.Bf8+- Bh3 (20...Kf8 21.c4 Bh3 22.cd5 Ng2+-) 21.Bd5 (21.Bd5 Qd5 22.Qd5 Nd5 23.Bg7 Bg2 24.Bh6 Be4 25.Re4+-) 1–0. Husson,Cybele (2005) – Pouillot,Eric (2070), FRA–chT1B, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    6.Bc4 Nb6 7.Bb3 Nc6 8.d4 Qc7 9.0-0 d5 10.ab4 Bb4 11.Ba3 Ba3 12.Na3 a6 13.c4 dc4 14.Bc4 0-0 15.Rc1 Qe7 16.Rc3 Rd8 17.Qd3 Na4 18.Rcc1 Nc5 (18...b5!? 19.Qe3 bc4 20.Rc4 Bd7 21.Ra4 Ne5-+) 19.Qe3+= Nd7 20.h4 b5 21.Qe4? (better is 21.Bd3 Bb7 22.Be4-/+) 21...Bb7-+ (21...Qa3?! 22.Qc6 Rb8 23.Be2-/+; 21...bc4?! 22.Qc6 Rb8 23.Nc4=) 22.Ng5 g6 (22...Nf8 23.d5 Na5 24.Qe3 ed5 25.Be2-+) 23.Qf4? (23.Nb5 Na5 24.Qf4 ab5 25.Bb5 Nb6-+) 23...Nb6 (23...h6 24.Ne4 Nd4 25.Rcd1 Be4 26.Rd4 Qa3 27.Rd7 Rd7 28.Qe4-+) 24.Ne4? (24.Qf7 Qf7 25.Be6 Qe6 26.Ne6-+) 24...Rd4 (24...Nc4?! 25.Nc4 bc4 26.Rc4-+; worse is 24...Qa3 25.Nf6 Kg7 26.Ng4-+) 25.Nf6 (25.Nb5 ab5 26.Bb5-+) 25...Kg7 26.Qg5 Nc4 27.Nh5 Kh8 28.Nf6 N4e5 29.f4 Nd7 30.Nc2 Rd2 31.Ne4 Rd5 32.Qe7 Ne7 33.Ng5 Kg7 34.Ne3 Rc5 35.Rcd1 Nf6 36.g4 Ned5 37.Ng2 Rc2 38.Ne1 Ra2 39.Rd3 Ng4 40.Ne4 Nde3 (40...Nde3 41.Nf2 Nf1 42.Ng4 Nd2-+) 0–1. Hummel,Thomas – Obermeier,Daniel, Oberpfalz–ch M2, 1998. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nf6 5.e5 Nd5)

    6.Bc4 Nf4 7.0-0 Qc7 8.d3 Ng6 9.Qe2 Nc6 10.Bb2 Na5 (10...a6 11.a4+=) 11.Nbd2 b6 12.ab4 Bb4 13.Ra4 (13.c3 Be7+=) 13...Be7 14.Rfa1 (14.Bc3 Nc4 15.Rc4 Qd8+=) 14...Bb7-/+ 15.Ne4 (15.Nb3 Nb3 16.Bb3 0-0-/+) 15...Bc6 16.Nd6 Bd6 17.ed6 Qd6 18.Ba3 (18.R4a2 Nf4 19.Qe3 Nc4 20.dc4 f6-+) 18...Qc7 (18...Qb8 19.Ra5 ba5 20.d4-+) 19.Rb4 0-0 20.Bb2 (20.Ba6 Bf3 21.Qf3 Qc2-+) 20...Bf3 21.Qf3 d5 (worse is 21...Nc4 22.Rc4 Qb8 23.Rd4-+) 22.Ba6 Qc2 23.Rc1 Qd2 24.Rb5 (24.Ba3 Rfb8 25.Rbb1 Nc6-+) 24...Qf4 (24...Nf4 25.Ra1-+) 25.Qe2 Rab8 26.g3 Qd6 27.h4 Nc6 28.Re1 d4 29.Qe4 Rfe8 30.Rc1 Nge7 31.Ra1 f5 32.Qe2 Nd5 33.Ba3 Qd7 34.Rb2 Nc7 35.Bb5 Nb5 36.Rb5 a6 37.Rbb1 b5 38.Bb4 Nb4 39.Rb4 Qd6 40.Qb2 Red8 41.Rc1 Qb6 42.Rb1 Rd5 43.Qe2 a5 44.R4b2 b4 45.Rc2 a4 46.Rbc1 Rd6 47.Rc7 Re8?? 48.Qh5 (48.Qh5 Rf8 49.Qg5 Qc7 50.Rc7+-; 48.Qe5 Rd7 49.Rd7 Re7 50.Re7 Qd6 51.Qg7) 1–0. Villing,Dieter – Kiefer,Gerhard (2210), Baden–ch Eberbach, 1980. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6)

    6.d4 Qc7 7.Bd3 h6 8.Bd2 b6 9.0-0 Bb7 10.Be4 Ne3 11.fe3 (11.Be3 Be4 Discovered attack; 11.fe3 Be4 Discovered attack) 11...Be4 12.c3? (12.Bb4!? Bc2 13.Qe2 Bb4 14.ab4 Bb1 15.Rab1=) 12...Bb1 13.Qb1 ba3 14.Qe4 Qc6 15.Qf4 Be7 16.Qg4 g6 17.c4 Na6 18.d5 (better is 18.Rfc1!?-/+) 18...ed5-+ 19.Nd4 Qc4 20.e6? (20.Qf3 0-0 21.Qh3-+) 20...de6 21.Rf7 Nc5?? (better is 21...Kf7 22.Qe6 Kf8-+) 22.Qg6-/+ Kd7 23.Rc1 Qa6 24.Rc5 bc5 25.Nf5?? a2-+ 26.Re7 Kd8 27.Re6 a1Q 28.Kf2 Q1f1 29.Kg3= Qf5?? 30.Qf5+- Rg8 31.Kh3 Qb5 32.Qd5 Kc7 33.Re7 Kb6 (33...Qd7 34.Rd7 Kb6 35.Qb7) 1–0. Dannenberger,Alf – Goetz,Heiko, Neuwied op–B, 1993. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    6.ab4 Bb4

    7.Ba3 Ba3 8.Na3 0-0 9.c4 (9.Nb5 Nc6=) 9...Nb4 (9...Nc7 10.d4+=) 10.Nb5= N8c6 11.d4 f6 12.Be2 fe5 13.de5 (worse is 13.Ne5 d5-/+) 13...Qb6 14.0-0 Qc5 15.Qd6 Qd6 (15...b6 16.Rfd1=) 16.ed6 (better is 16.Nd6!? a5 17.Ra4+=) 16...b6+= 17.Rfc1 a6 18.Nbd4 Nd4 19.Nd4 Bb7 20.Nc2 Nc2 21.Rc2 Bc6 22.f3 a5 23.Rb2 Rfb8 24.Kf2 a4 25.Ke3 e5 26.Bd3 Kf7 27.h4 (27.Rba2 Ke6-/+) 27...h6 (27...Ke6 28.Rba2-+) 28.Be4 (28.Rba2 Ke6-/+) 28...Be4 (28...Ke6 29.Rba2-/+) 29.Ke4 a3 30.Rb3 a2 31.Rb2 Rc8 32.Ke5 Ra4 33.Raa2 Rc5 34.Ke4 Rcc4 35.Ke3 Rc3 36.Ke2 Ra2 37.Ra2 Rc6 38.Ra7 Rd6 0–1. Schaar,Joerg (1980) – Carlsen,Torben Erik (2330), CiF–Bernhard –Zuechner–Memorial, 2010. (=1.b4 c5 2.e4 cb4 3.a3 e6 4.Nf3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    7.Ba3 Nc6 8.Bb4 Ndb4 9.d4 (9.c3 Nd5 10.c4 Nf4 11.c5 b6 12.cb6 Qb6 13.Ra4 Nb4 14.d4 Bb7 15.Nc3-/+) 9...d6 10.c3 Nd5 11.c4 (11.Bb5 0-0 12.0-0 Qc7 13.c4 Ndb4 14.Qb3 a5 15.ed6+=) 11...Nde7 (11...Nf4 12.g3 Ng6 13.h4 0-0 14.h5 Nge7 15.h6+=) 12.ed6 (12.Bd3 de5 13.de5 Nb4 14.Ra3 0-0 15.0-0+=) 12...Qd6 13.Nc3 0-0 14.Bd3 Rd8 (worse is 14...Nd4 15.Nd4 Rd8 16.Ncb5+/-) 15.c5 (15.Nb5+=) 15...Qf4 16.g3 Qh6 17.0-0 e5 (worse is 17...Nd4 18.Nd4 Rd4 19.Bh7 Kh7 20.Qd4+/-) 18.d5 Bg4 (18...Nd5?! 19.Nd5 Bg4 20.Be4=) 19.d6 Nd4 20.Be2 Ne2 21.Qe2 Nc6 22.Qe4 Qg6 (22...Qh5 23.Nd2-/+) 23.Qe3 (23.Qg6 hg6 24.Ng5 f6+=) 23...Qh5-/+ 24.Nd2 Nd4 25.f3 Bd7 (25...Bh3 26.Rfc1 Be6 27.f4-/+) 26.Rab1 (26.g4!? Qg6 27.Qe5+=) 26...Bc6-/+ 27.Ne2 Ne2 28.Qe2 e4 29.Rbc1 Re8 30.g4 Qg6 31.fe4 Be4 32.Ne4 Re4 33.Qf3 Qg4 34.Qg4 Rg4 35.Kf2 Kf8 36.Rfe1 Re8 37.Re8+= Ke8 38.Re1 Kd8 39.Re7 Rc4 40.Rf7 Rc5 41.Rb7 a5 42.Rg7 Rh5 43.Kg3 Rh6 44.Ra7 ½–½. Shashin,Boris – Gufeld,Eduard, Moscow, 1970. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    7.Ba3 d6 8.c4 Ba3 9.Qa4 b5 10.Qa3 (10.Qb5 Bd7 11.Qb3 Nf4 12.Ra3 de5 13.Ne5 Nc6 14.Nd7 Qd7+= (worse is 14...Kd7 15.g3 Rb8 16.Qa2=)) 10...bc4-/+ 11.ed6 0-0 12.Bc4 Bb7 13.0-0 Nb6 (13...a5 14.Rc1-/+) 14.Be2 Nc8 15.Nc3 Qd6 16.Qb2 (16.Rfb1 Bc6-/+) 16...Qb6 (16...Bc6 17.Qc2-/+) 17.Qc2+= Nc6 (17...Qd8 18.Rfb1 Nb6 19.d4+=) 18.Na4 (18.Ng5 g6+=) 18...Qc7 (18...Nb4 19.Qc4 Qd6 20.Nc5 Bf3 21.Bf3-/+) 19.Rfc1 N8e7 (19...Qf4 20.Nc5 Nb4 21.Qc3 Bf3 22.Bf3+=) 20.Nc5 Bc8 (20...Rfb8 21.Ng5 g6 22.Qa4+=) 21.Ng5 Nf5 (21...g6=) 22.Nb3 (better is 22.Bf3 Ncd4 23.Qd3 Nf3 24.Qf3+/-) 22...Qe5?? (better is 22...Bb7+=) 23.Qc6+- Rb8 24.Bc4 Ne7 (24...Qf4 25.Nh3 Qd6 26.Qc5+-) 25.Qc5 Nd5 (25...Qc5 26.Nc5 Ra8 27.d4+-) 26.Nf3 (26.Nf3 Qh5 27.Ra7+-) 1–0. Gutierrez Olivares,D (2080) – Martin Jorge,Daniel, III Open Bajada de la Virgen ESP, 2005. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6 6.ab4 Bb4)

    7.Na3 0-0 8.c4 Nf4 (8...Nc7 9.Nc2 Be7 10.d4+=) 9.Nc2 (9.Qb3 Na6+=) 9...Ba5 10.Ba3 Re8 11.h4 (11.Bd6 Nc6+=) 11...f6 12.ef6 Qf6 13.g3 Ng6 14.Bd6 Nc6 (14...b6 15.h5 Bb7 16.Bg2+=) 15.Bd3 Bc7?? (better is 15...e5 16.c5 e4 17.Bc4 Kh8=) 16.Bc7+- Rf8 17.Be2 Nge5 18.Ra3 d5 19.c5 d4? 20.Be5 Ne5 21.Ncd4 Ng4 22.0-0 e5 23.Ng5 Nf2 24.Bc4 Kh8 25.Qh5 (25.Qh5 h6 26.Nde6 Be6 27.Ne6+-) 1–0. Kislov,O (2265) – Mozharov,M (2415), RGSU Masters, 2006. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    7.Bb5 0-0 +=.

    7.c4 Nb6 8.Ba3 Qe7 (8...Nc6 9.Bb4 Nb4 10.Nc3=) 9.Bb4 Qb4 10.Nc3 a6?? (better 10...Nc6+=) 11.Rb1+- Qc5 (11...Qa5 12.Qb3 Nc4 13.Qc4+-) 12.Ne4 Qc6 (12...Qa5 13.Nd6 Ke7 14.Qb3+-) 13.Nd6 Ke7 14.Ng5 f6 (14...Nc4 15.Nc4 h6 16.Nf7 Kf7 17.Nd6 Ke7+-) 15.Qh5 fe5 (15...Kd8 16.Ngf7 Kc7 17.ef6 Nc4 18.fg7 Nd6 19.Qa5 b6 20.Rb6 Nf7 21.Rc6 Kc6 22.Qc3 Kb7 23.gh8R Nh8 24.Qh8 Nc6+-) 16.Nge4 Rf8 17.Qg5 Rf6 18.Qg7 Rf7 19.Qf7 Kd8 20.Qf6 Kc7 21.Ne8 1–0. Gareyev,Timur (2615) – Bodziony,Peter, Gareyev Blindfold Simul, 2016. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    7.c4 Nc7 8.Na3= Nc6 (8...0-0 9.Nc2 Be7 10.d4=) 9.Nc2 Be7 10.d4 d6 (10...0-0 11.Bd3=) 11.ed6 Bd6 12.Bg5 (12.Bd3 0-0=) 12...f6 13.Bd2 (13.Be3 0-0=) 13...0-0=+ 14.c5 Be7 15.Bc4 Kh8 (15...a5 16.0-0=+) 16.0-0 e5 17.de5 fe5 (better 17...Ne5 18.Ne5 fe5=+) 18.Qc1? (better 18.Nb4!? Bg4 19.Nc6 bc6 20.Ba5 Qd1 21.Rad1 Bf3 22.gf3=+) 18...Bc5 (18...e4!? 19.Ng5 Ne5 20.Na3-+) 19.Ng5 (19.Be3 Be3 20.Qe3 Bf5-+) 19...Qe8 (19...Qe7 20.Ne4 Be6 21.Bg5-/+) 20.Ne3 (20.Qb2 Qg6 21.Qb3 h6-+) 20...Bd4 21.Ra3 (21.Rb1 h6 22.Ne4 Qg6-/+) 21...Ne6 22.Nd5 (22.Be6 Be6 23.Qb1 Bg8-+) 22...Ng5-+ 23.Bg5 Qg6 (23...Rf7 24.Nc3 Be6 25.Ne4-+) 24.Rg3 (24.Nc7!? Rb8 25.Rg3-/+) 24...Qd6-+ 25.h4 (25.Bd2 Be6 26.Ne3 Rad8-+) 25...Be6 26.Bh6?? (26.Ne3-+) 26...gh6 (26...e4!? 27.Bf4 Rf4 28.Qf4 Qf4 29.Nf4 Bc4 30.Re1-+) 27.Qh6 Rf7 28.Rg6 (28.Ne3 Re8 29.Rg6-+) 28...Qc5 29.Re6 Qc4 30.Nc7 (30.Ne3 Be3 31.Rc6 Qf1 32.Kf1 Rf2 (32...bc6?! 33.Qe3 Re8 34.Ke2=) 33.Kg1 Bh6 (33...bc6?! 34.Qe3 Rf5 35.Qc5=) 34.Rh6 Rb2-+) 30...Rc7 31.Rc1 Qd5 (better 31...Qe2 32.Rf6 Rg7 33.Rf5-+) 32.Qf6 (32.Rd6 Qe4 33.Qf6 Rg7-+) 32...Rg7 33.Rcc6 Qg2 0–1. Rusan,Paul_Cristian (2205) – Balla,Tamas_Kristof (2370), 10. Arad Open, 2017. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    7.c4 Ne7 8.Na3 d5 9.Nc2 Ba5 10.cd5 ed5 11.Ba3 Bb6 12.d4 Ba5 13.Nd2 (13.Bb4 Bb4 14.Nb4 Qb6+=) 13...0-0 14.Bd3 Nbc6 15.0-0 f6 16.Nb3 Bb6 17.ef6 Rf6 18.Ne3 Be6 (18...Nf5 19.Ng4 Rf7 20.Ne5 Ne5 21.de5-/+) 19.Re1+= Qd7 (worse is 19...Bd4 20.Nd4 Nd4 21.Be7 Qe7 22.Nd5+-) 20.Bb5 (20.Nc5 Bc5 21.Bc5 a5=) 20...Rf7 (20...Qc7 21.Be7 Ne7 22.Ng4 Bg4 23.Qg4-/+) 21.Ra2 a6 22.Ba4 Ba7 23.Nc5 Bc5 24.Bc5 (24.dc5 d4 25.Rd2 de3 26.Rd7 ef2 27.Kf1 fe1R 28.Ke1 Raf8 (28...Bd7?! 29.Qd7 Na5 30.Qe6-/+) 29.Bc6 Rf1 (worse is 29...bc6 30.Qd3 Bd7 31.Qd7-+; 29...Nc6?! 30.Rf7 Rf7 31.Bb2=) 30.Kd2 Rd1 (30...bc6?! 31.Qf1 Rf1 32.Re7-/+) 31.Kd1 Bd7 (31...bc6?! 32.Re7 Bc4 33.g4-/+; worse is 31...Nc6 32.Rb7 Rf2 33.Rb2 Rf1 34.Ke2-+) 32.Bb7 Rf1 33.Kd2 Rf2 34.Kc3 a5-+) 24...Rb8 25.Bc2 Nf5 26.Bb6 Ne3 27.Re3 Rf6 28.Qh5 h6 29.Bb3 Bf7 30.Qe2 Nb4 31.Ba7 Ra8 32.Ra4 Ra7 33.Rb4 b5 34.Bc2 Rc7 35.g3 a5 36.Rb1 b4 37.Ra1-/+ Qc8 38.Bb3 Rc1 39.Rc1 Qc1 40.Kg2 Qc6 41.Qa2-/+ Qb5 42.Re7 Kf8 43.Rc7 Qd3 44.Rc8 Ke7-/+ 45.Rc7 Kd6 46.Rc2?? Qf3-+ 47.Kg1 Bg6 48.Re2 Be4 49.Re4 Qe4 50.Qb2 Rf3 51.Ba4 Rc3 52.Qd2 Rc4 53.Bb5 Rc2 54.Qd1 Rb2 55.Bd3 Qd4 56.Qf3 Qf2! 57.Qf2 Rf2 58.Kf2 a4 59.Ke3 a3 60.Kd2 a2 61.Kc2 a1Q 62.Kb3 Qa3 63.Kc2-+ Qc3 64.Kb1 Qd3 65.Kb2 Qc3 66.Ka2 b3 67.Kb1 Qc2 68.Ka1 Qa2# (68...Qc1) 0–1. Sipila,V (2230) – Zagorskis,D (2495), 39th Olympiad Men, 2010. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6 6.ab4 Bb4)

    7.c4 Ne7 8.Na3 d6 9.Nc2= Ba5 10.ed6 Nf5 (10...Nec6 11.Ba3=) 11.c5 Nc6 12.Bb5 Bd7 13.0-0 0-0 14.d4 b6 15.Qd3 Nh4 16.Ng5 Nf5 (16...Ng6 17.Rd1+/-) 17.f4 (17.g4 h6 18.gf5 hg5 19.fe6 fe6+-) 17...Rc8 (better 17...bc5!? 18.Bc6 Bc6 19.dc5 h6+/-) 18.g4+- h6 19.gf5 hg5 20.f6 (20.fe6!? fe6 21.d5 ed5 22.Qd5 Kh8 23.Qg5 Qg5 24.fg5 Rf1 25.Kf1+/-) 20...Qf6 21.fg5 Qd8 22.Be3 bc5 23.dc5 Nb4 24.Nb4 Bb4 25.Bd7 (25.Ra7 Bb5 26.Qb5 Bc5 27.Bc5 Qg5 28.Kh1 Qd5 (28...Qc5?! 29.Qc5 Rc5 30.Re7=) 29.Kg1 Rc5-+ (29...Qc5?! 30.Qc5 Rc5 31.Re7=)) 25...Qd7 26.Rac1 e5 (26...a5!?+/-) 27.Qe4 ½-½. Moroder,S (2250) - Ruff,M (2350), Innsbruck AUT, 2019. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    7.c4 Nf4 8.Ra4 Nc6 9.Ba3 a5 10.Nc3 d6 11.Bb4 (11.g3 Bc3 12.dc3 Ne5-/+) 11...Nb4 12.d4 de5 13.Ne5 0-0 14.Nb5 (better is 14.g3!? f6 15.gf4 fe5 16.fe5-/+) 14...f6-+ 15.Nf3 Bd7 16.g3 Ng6 (16...Bb5 17.cb5 Nfd5 18.Qb3-+) 17.Bg2 Bc6 (17...Bb5!? 18.cb5 Qd5-+) 18.0-0-/+ Qd7 19.Qe2 b6 20.Ra3 Rfe8 21.Re1 Rad8 (21...Rac8 22.Rb3-+) 22.Bh3 Nf8 23.Re3 Bb5 24.cb5 Kf7 25.Nh4 Nd5 26.Re4? (better is 26.Rb3-/+) 26...Nc3-+ 27.Qh5 (27.Qb2 Ne4 28.Re4 Qd6-+) 27...g6 28.Qh6 Ne4 29.Re4 Qb5 30.Nf3 0–1. Fenner,M (1980) – Schaffarczyk,A (2115), 17th Schloss Open A, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6 6.ab4 Bb4)

    7.Be2 Nc6 +=.

    7.h4 Nc6 8.h5 h6 9.c3 Be7 10.d4 d6 11.Bd3 de5 12.de5 Qc7 13.Qe2 Bd7 14.Bd2 (14.0-0 0-0-/+) 14...a6 (better 14...0-0-/+) 15.Ra4? (better 15.0-0-/+) 15...Ne5-+ 16.Ne5 (16.Rd4 Nd3 17.Qd3-+) 16...Ba4 17.0-0 Bf6 (17...Bd6 18.c4 Nf6 19.Bc3-+) 18.Ng4 Bc6 (18...Bc3?! 19.Rc1-/+) 19.Nf6 (19.c4 Nf4 20.Nf6 gf6 21.Bf4 Qf4-+) 19...Nf6 20.Na3 (20.c4 0-0-+) 20...Rd8 21.Bc1 (21.Rd1 Qa5 22.Bc1 Qh5 23.Qh5 Nh5-+) 21…Qa5 (21...Qa5 22.Rd1 Qh5 23.Qh5 Nh5-+) 0–1. Blit,Jacques (2345) – Brizzi,Milagros Tatiana (2005), 1st Abierto Internacional de la Patagon, 2015. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    7.c3 Be7

    8.Ba3 0-0 9.c4 Nf4 10.g3 Ng6 11.Bg2 Qc7 (11...Nc6 12.Be7 Qe7 13.d4-/+) 12.Qe2 b6 (12...d6 13.d4-/+) 13.Nc3 Ba3 14.Ra3 Bb7 15.Nb5 Qd8 (15...Qc5 16.d4 Qb4 17.Qd2 Qc4 18.Nd6+=) 16.0-0 (16.d4 d5+=) 16...Nc6 17.Nd6 Qc7 18.d4 Rab8 (18...f6 19.Rd1=) 19.Nb7 (better is 19.Nb5!? Qd8 20.Na7+=) 19...Rb7+= 20.Rd1 Rbb8 (20...d6 21.Ng5 h6 22.Ne6 fe6 23.Qg4=) 21.Ng5= Na5 22.Qh5 h6 23.Nf7 Rf7 24.Qg6 Kf8 (24...Nc4 25.Ra6=) 25.Qh7 (25.Rf3 Rf3 26.Bf3 Nc6+/-) 25...Ke7 (25...Nc4!? 26.Rc1 b5+=) 26.c5+/- Rbf8 (26...bc5 27.d5 Combination) 27.Ra2 bc5 (27...Kd8!?+/-) 28.d5+- Qb6 (28...ed5 29.Bd5 (worse is 29.Rd5 Nb3+=) 29...Nc6 30.f4+-) 29.de6 de6 30.Rad2 (better is 30.Qd3 Rd8 31.Qd8 Qd8 32.Rd8 Kd8 33.Ra5+-) 30...Nb3? (30...Qc7 31.Rd6 Nc4 (31...Rf2 32.Qg7 R8f7 33.Qh6 Rg2 34.Kg2 Qc6 35.Rc6 Nc6 36.Rd6 Nd4 37.Qg5 Rf6 38.Qf6 Ke8 39.Rd8) 32.Rd7 Qd7 33.Rd7 Kd7 34.Qd3 Ke7 35.Qc4 Rc8+-) 31.Rd7+- Ke8 32.R7d6 Qc7 33.Re6 Re7 34.Qg6 Rff7 35.Bc6 Kf8 36.Red6 Nd4 37.Qh7?? Re5-/+ 38.Qh8 Ke7 39.Rd7 Qd7 40.Bd7 Kd7 41.Qb8 Ke6 42.f4 Re2 43.Qe8?? Re7+= 44.Qg6 Kd5-/+ 45.Qf5 Kc6 46.Qc8= Kd6 47.Qa6 Kd5-/+ 48.f5 Ke5 49.Rf1 Ke4?? 50.Rf4?? Kd5+= 51.f6 gf6 52.Rf6 R2e5 53.Rd6= Ke4 54.Rh6 Ke3 55.Kg2 Kd2 56.Qa5 Kd3 57.Qa3 Kc4 58.Qa2 Kd3 59.Qb1 Kc3 60.Qa1 Kd3 61.Qd1 Ke3 62.Rh4 a6 63.Rf4 a5 64.h4 a4 65.Qa4 Kd3 66.Qd1 Kc4 67.Qc1 Kd5 68.Qa1 Kc4 69.Qa6 Kc3 70.Kh3 R7e6 71.Qa3 Kc4 72.Rf1 Ne2?? 73.Qa4 Kd5 74.Rd1 Nd4 75.Qd7 Rd6 76.Qf7 Rde6 77.h5 Kc6 78.Qh7 Re7 79.Qh8 Re8 80.Qf6 R8e6 81.Qh4 Re4 82.Qd8 Re8 83.Qa5 R8e5 84.Qa6 Kc7 85.Qa7 Kc6 86.Qf7 Re7 87.Qc4 R7e5 88.Qa6 Kc7 89.Qa7 Kc6 90.Qa8 Kd6 91.g4 Re3 92.Kh4 Re8 93.Qa6 Kc7 94.Rd4! cd4 95.Qa7 Kc6 96.Qd4 R3e4 97.Qc3 Kd5 98.h6 R8e7 99.Kh5 Re3 100.Qd2 Ke4 101.Qg2 Ke5 102.g5 Ke6 103.g6 Re5 104.Kg4 Kf6+= 105.Qc6 R7e6?? 106.h7+- Kg7 107.Qd7 Re7 108.Qd4 R7e6 109.Kf4 Kg6 110.h8Q Rf5 111.Kg4 Ref6 112.Qh5 Kg7?? 113.Qd7 Kg8 114.Qhh7 Kf8 1–0. Haines,Kean David – Adeba Rodriguez,Jesus, Pryca Gijon op–A, 1994. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Na3 0-0 9.Nb5 Nc6 (9...a6 10.c4 Nb4 11.d4+=) 10.d4 a6 11.Bd3 (11.c4 ab5 12.Ra8 bc4 13.Bc4 Nb6 14.Rc8 Qc8-/+) 11...h6 (11...Rb8 12.c4 Ndb4 13.Nd6-/+) 12.Qc2 b6 13.0-0 Bb7 14.Nd6 Bd6 15.ed6 b5 16.Qd2 f6 (16...Rc8 17.Qb2-/+) 17.Ba3 Na5 18.Rfb1 ½–½. Kuna,Heiko (2420) – Hahner,Anton (2375), RSX – 4–Jahreszeiten: Herbst, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Ra4 0-0 9.Rg4 (9.c4 Nb6 10.Ra1 Nc6-/+) 9...f5 10.h3?? (better is 10.ef6 Nf6 11.Rg3-+) 10...fg4 11.hg4 b6 (11...Nc6!? 12.d4 Qa5 13.Bd3-+) 12.d4 Ba6 (better is 12...Nc6-+) 13.Ba6 Na6 14.Qd3 g6 (14...h5 15.gh5 b5 16.h6-+) 15.Qa6 Qc7 16.Qd3 Rf7 17.g5 a5 18.Nh4 Rg7 19.Qh3 Kf7 20.f4?! a4 21.f5 ef5 22.Nf5 gf5 23.Qf5 Kg8 24.Qh3 Qc6 25.e6 Qe6 26.Qe6 de6 27.Rh6 Kf7 28.c4 Bb4 29.Kf1 Nc3 30.Na3 Ba3 (30...Ba3 31.Ba3 Nb1-+) 0–1. Meier,Josef (1965) – Spiegel,Ernst (2120), remoteschach.de, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    8.c4 Nb4 9.Qb3 d5 (9...N8c6 10.Nc3-/+) 10.ed6=+ Qd6 11.Bb2 (11.Nc3 N8c6-/+) 11...0-0 (11...Nd7 12.d4 Qf4 13.Nc3=+) 12.d4 (12.Be2 N8c6 13.d4 Bd7-/+) 12...N8c6 (12...Qf4 13.Be2-/+) 13.Be2 b6 (13...Rd8 14.0-0=+) 14.Nbd2 (14.Na3 Qf4-/+) 14...Bb7 (14...Qf4 15.0-0-/+) 15.0-0 (15.g3 Qd7-/+) 15...Rfd8 (15...Qf4 16.Ra4-/+) 16.Ne4 (16.g3 Qd7=+) 16...Qf4-/+ 17.Ng3 Bf8 (17...Rac8 18.Qc3-/+) 18.Rfd1 Rac8 19.Bc3 Qc7 (19...Na5 20.Qb1 Bf3 21.gf3-/+) 20.Qb2 (20.h3 g6=+) 20...a5 21.Nh5 (21.Qb3 g6=+) 21...f6 22.Rac1 (22.Ng3 Qf7=+) 22...Qf7 (22...a4 23.Ra1 Ra8 24.Ng3-/+) 23.Nf4 (23.Ng3 Bd6-/+) 23...Ba6 (23...Bd6 24.Qd2-/+) 24.Nd2 (24.c5 bc5 25.Ba6 Na6 26.Qb6-+) 24...e5!-+ 25.de5 Ne5 26.Be5 (26.Bd4 Bc4 (worse 26...Nc4 27.Bc4 Bc4 28.Bb6=+) 27.Nc4 Nc4-/+) 26...fe5-+ 27.Nh3 (27.Qe5?? Bd6 28.Qb2 Bf4-+) 27...Bc5 28.Ne4 (28.Nb3 Be7 29.Qe5 Bf6-+) 28...Bd4 29.Qb1 (29.Qb3 h6-+) 29...Qg6 (29...h6 30.Nd2-+) 30.Nhg5 Rf8 (30...Bb7 31.Bf3-+) 31.Nf3 (31.h4 h6 32.h5 Qf5-+) 31...Bb7 32.Ng3 Qb1 33.Rb1 Rcd8 (33...Bc5 34.Rf1 Rce8 35.Ng5-+) 34.Nd4 ed4 (34...Rd4?! 35.c5 Rd1 36.Rd1 bc5 37.Bc4 Kh8 38.Nf5-/+) 35.Bd3 g6 (35...Ba6 36.Rbc1-+) 36.f3 (36.Be4 Rf7-+) 36...Rfe8 (36...Ba6 37.Rbc1-+) 37.Ne4 (37.Be4 Be4 38.Ne4 Kf7-/+) 37...Kg7 (37...Re7 38.Kf2-+) 38.Kf2 (38.Nf2 Ba6-+ (38...Nd3?! 39.Nd3 Ba6 40.Rb6 Bc4 41.Rb7 Kh6 42.h4=+)) 38...Nd3 (38...Re7!? 39.Rd2-+) 39.Rd3-/+ Re4 40.fe4 Be4 41.Ke2 Rd6 42.Rb5 Bd3 43.Kd3 Kf6 44.c5 bc5 45.Rc5 Ra6 46.Kd4 a4 47.Rc2 a3 48.Ra2 Kf5 49.Kd3 h5 50.Ke3 Ke5 51.Kd3 Kd5 (51...g5-/+) 52.g3 (52.Kc3 g5-/+) 52...Ra8 (52...Kc5 53.Kc3-+) 53.Kc2 (53.Kc3 Kc5-+) 53...Ke4 (better 53...Kc4-+) 54.Kb1?? (better 54.Kc3!?-/+) 54...Rb8-+ 55.Ka1? (55.Kc1 Rb3 56.Ra1-+) 55...Rb2! 56.Ra3 (56.Rb2 ab2 Passed pawn) 56...Rh2 57.Ra5 Rg2 58.Rg5 h4! (58...h4 59.Rg4 Kf3 60.Rh4 Kg3-+) 0–1. Farkas,Gabor (2290) – Zetocha,Claudiu (2360), Slovak Extraliga, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    8.c4 Nb4 9.Nc3 N8c6 10.Be2 f6=+.

    8.c4!? Nb4 9.Be2 +=.

    8.c4 Nc7 9.d4 d6 10.ed6 Bd6 11.Bd3 Nd7 12.0-0 h6 13.Nc3 Nf6 14.Be3 0-0 15.Qd2 Re8 16.Rfe1 Bf8 17.Bc2 Na6 18.Ne5 Nd7 19.f4 Nb4 20.Bb1 a6 21.Ne4 Qc7 22.Qe2 b6 23.Qh5 Ne5 24.fe5 Qd8?? (24...Bb7 25.Qg4 Kh8 26.Rf1=) 25.Rf1 (25.Nf6 gf6 26.Qg4 Kh8 27.Qe4+/-) 25...Ra7= 26.Rf3 g6 27.Qg4 h5 28.Qg3 Bg7 29.Nf6 Bf6 30.ef6 e5 (30...Nd3 31.Bd3 e5 32.Bg6 Kh8 33.Bh5 Rg8+-) 31.Bg6! (31.de5?! Bg4 32.Rf1 Qb8+/-) 31...h4 (31...fg6 32.Qg6 Double attack) 32.Bh7!! (32.Bh7 Kh7 33.Qg7) 1–0. Khalukov,Yury (2295) – Kovalenko,Oleg (2170), Sinitsyn Memorial, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    8.Bc4 Nb6 9.Ba2 (9.Be2 Nc6=+) 9...d6 (9...Nc6 10.0-0=+) 10.0-0 (10.ed6 Qd6 11.Ba3 Qc7=+) 10...de5 11.Ne5 N8d7 (11...0-0 12.d4=+) 12.f4 0-0 13.d4 Nf6 (13...Qc7 14.Qd3=+) 14.Na3 (14.c4 Nbd7=) 14...Nbd5 (14...Ne4 15.Qd3 f5 16.Nac4=+) 15.Qf3 (15.Qd3 Bd7=) 15...a6 (15...Nd7 16.Qd3=+) 16.Nac4 (16.Nc2 Nd7=) 16...Qc7=+ 17.Bb2 (17.Bd2 a5=+) 17...b5 18.Nd2 (18.Na5 Bd7=+ (worse 18...Qa5 19.Bd5 Qa1 20.Ra1 ed5 21.Ba3 Ba3 22.Ra3+=)) 18...Bb7-/+ Exerts pressure on the backward pawn 19.Qh3 Rfd8 (19...Nd7 20.c4 Nb4 21.Bb3-/+) 20.Rae1 (20.c4 Nb4 21.Bb3 Bd6=) 20...g6-/+ 21.Nf7? (21.Bd5!? Bd5 22.Ndf3 Bf3 23.Rf3-/+) 21...Kf7-+ 22.Qe6? (22.Ne4 Kg7 23.Ng5-+) 22...Kf8 (22...Kg7!? 23.Bd5 Nd5 24.Ne4-+) 23.Qh3 (23.Ne4 Ne4 24.Re4 Bc8-+) 23...Kg7 24.Re5 (24.c4 Bb4 (24...Nf4 25.Rf4 Rf8 26.c5+=) 25.cd5 Qc2-+) 24...Bd6 25.Bb1 (25.Bb3 Nf4! 26.Rf4 Be5 27.de5 Qe5 28.Rd4-+) 25...Nf4! 26.Rf4 Be5 27.de5 (27.Rf1 Bf4 28.Nb3 Re8-+) 27...Qe5 28.Rf6 (28.Rd4 Qe1 29.Nf1 Qb1-+) 28...Qf6 (28...Rd2!? 29.Rf1 Rf8 30.Bd3-+) 29.Bc1 (29.Qe3 Rd7 30.h3 Re8-+) 29...Rf8 (29...Rac8 30.Nf3 Rd1 31.Kf2 Rc1 32.Qd7 Qf7 33.Qf7 Kf7 34.Be4 Be4 35.Ng5 Kf6 36.Ne4 Ke5 37.Ng3-+) 30.Nf3 Bf3 (better 30...Kh8 31.Bg5 Qd6-+) 31.Qh6 (31.Bh6 Kg8 32.Ba2 Kh8 33.Qf3 Qf3 34.gf3-+) 31...Kh8 32.h4 Bd5 (32...Bd5 33.Qg5 Qf2 34.Kh2 Rae8 35.Bd2 Re2 36.Bg6 Bg2 37.Be3 Re3 38.Qg2 Qh4 39.Kg1 Re1 40.Qf1 Ref1 41.Kg2 R8f2) 0–1. Ferraro,Pietro (1965) – Petruccioli,Antonio (2100), 5th Campobasso op–A, 2008. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    8.Bc4 Nb6 9.Bb3 0-0 10.0-0 Nc6 11.d4 d6 (11...f6 12.Ba3=+) 12.ed6= Bd6 13.Na3 a6 14.c4 Bc7 15.Bb2 Ne7 16.Qc2 (16.Nc2 Nd7=) 16...Nd7 (16...Bd7!?=) 17.Nb5+= Rb8 18.Nc7 Qc7 19.Ng5 (19.Rac1 b6+=) 19...Ng6 (19...Nf6 20.Rfe1+=) 20.Ne4+- Rd8 21.Qc3 Qf4 (21...b6 22.Rfe1+=) 22.Rfe1+- Nf6 23.Bc2 (23.d5!? e5 24.Nf6 Qf6 25.c5+-) 23...b5+= 24.g3 Ne4 25.Be4 (worse 25.gf4 Nc3 26.Bc3 b4-/+; 25.Re4?! Qf6 26.c5 Bb7=) 25...Qf6 (better 25...Qc7!? 26.c5 b4+=) 26.c5+- b4 27.Qb3 Qe7 28.Ra4 Bd7 (28...e5 29.Rb4 Be6 30.Qc3+- (30.Rb8 Bb3 31.Rb3 ed4-/+)) 29.Ra6 (29.Rb4!? Bb5+-) 29...Bb5+- 30.Ra5 Qc7 (30...Qd7 31.Rea1+-) 31.Rea1+- (31.Qb4? Bd3 32.Qd2 Be4 33.Re4 Rb2 34.Qb2 Qa5-+) 31...Bc6 32.Ra7 Qc8?? (better 32...Rb7 33.Rb7 Qb7 34.Bc6 Qc6 35.Qb4 h6+-) 33.Qf3 Be8 (33...Bd7 34.c6 f5 35.c7 fe4 36.Qe4+-) 34.c6 f5 (34...Rb6 35.c7 Rd7 36.Rc1+-) 35.Bf5! Bc6 (35...ef5 36.c7 Passed pawn) 36.Be6! Qe6 37.d5 Ne5 (37...Ne7 38.dc6 (38.de6?! Bf3 39.Re7 Rb7 40.Rb7 Bb7+=) 38...Rbc8 39.Qf4+-) 38.Be5 (38.de6? Nf3 (38...Bf3? 39.Be5 Rb7 40.Ra8+-) 39.Kf1 Nh2 40.Ke2 Bf3 41.Ke1 Bb7-+) 38...Qe5 39.dc6 Rf8? (39...Rbc8 40.Rc1 Qe6+-) 40.Qg4 (better 40.Qb3 Kh8 41.c7+-) 40...b3+- 41.c7 b2 42.Rb1 Rbc8 43.Qc4 Rf7 44.Rd1 Qf6?? (44...g6 45.Qb3 Qe2+=) 45.Qc2 (45.Rd8 Rd8 46.cd8Q Qd8 47.Qf7 Kh8 48.Qg7) 45...Qb6= Exerts pressure on the backward pawn 46.Ra2 Rf2 47.Qf2 b1Q 48.Rb1 Qb1 49.Kg2 Qb7 ½–½. Aloyan,Mikhail (1755) – Grekhov,Luka (1955), 22nd Voronezh FIDE Open, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6 6.ab4 Bb4 7.c3 Be7)

    8.Bc4 Nc6 9.0-0=+.

    8.d4 Nc6 9.Bd3 d6 10.h4 h6 11.h5 Qc7 12.Qe2 de5 13.de5 b6 14.Bd2 Bb7 15.Na3 a6 16.0-0 Na5 17.Nd4 b5 (17...Nc3?! 18.Qg4 Rd8 19.Rfc1 Qe5 20.Bc3=) 18.Qg4? (18.c4 bc4 19.Nc4 Nc4 20.Bc4+=) 18...Ba3?? (better is 18...Qe5 19.Rfe1 Qf6-+) 19.Ra3= Nc4 20.Nb5 ab5 21.Ra8 Ba8 22.Bc4 Qc4? 23.Qg7+- Rf8 24.Bh6 Qc5 25.Ra1 Bb7 26.Ra7! Qa7 27.Qf8 Kd7 28.Qf7 Kc6 29.Qe6 Kc5 30.Bf8 Kc4 31.h6 Qa1 32.Kh2 Qd1?? 33.h7 Qh5 34.Qh3 Qe5 35.g3 Qh8 36.Qg4 Kb3 37.Qg7 (37.Qg7 Qg7 38.Bg7+-) 1–0. Kostyra,Mariusz (2250) – Plich,Adam (2050), Poland–chT2 Augustow, 1997. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    8.d4 Nc7 9.Bd3= d5 (9...Nc6 10.0-0=) 10.ed6+= Bd6 11.Ng5 (11.0-0 Nc6+=) 11...Be7= 12.h4 (12.Qh5 g6 13.Qh6 Bf8=) 12...Nd7 (12...Nc6 13.Qf3 f5 14.Qh5 g6 15.Qe2=) 13.Qh5 h7 seems the pivot of the position (13.Nh7 g6 (13...Bh4? 14.Ng5+-) 14.Ng5 Nd5+=) 13...g6 14.Qf3 Nf6 (14...0-0 15.0-0=) 15.h5 gh5 (15...0-0 16.Nh7 Nh7 17.hg6 fg6 18.Qh3+-) 16.Nd2 Bd7 (16...h6 17.Nge4 Ng4 18.Be2=) 17.Nde4+= (17.Qb7 Nfd5 18.Nf7 Kf7-+) 17...Bc6 (17...Ncd5 18.Rh5 Bc6 19.Bd2+=) 18.Ba3 (18.Rh5 Ncd5 19.Bd2 Rg8+=) 18...Be4 (18...Ncd5 19.c4 Nb4 20.0-0 Be4 21.Be4=) 19.Ne4+/- Ncd5? (better is 19...Ne4!? 20.Be7 Ke7 21.Be4 Nd5+/-) 20.Bb5+- Nd7 21.Rh5 a6 22.Be7 Qe7 23.Nc5 0-0-0 (23...Rd8 24.Bd7 (24.Nd7?! ab5 25.Ne5 Qc7+=) 24...Rd7 25.Nd7 Qd7 26.Ra5+-) 24.Bd7 (24.Nd7?! ab5 25.Ne5 Kc7+=) 24...Rd7 25.Nd7 Qd7 26.Kf1 (26.c4!? Nc7 27.Rb1 b6+-) 26...f5 (26...Qc7 27.g3+/-) 27.Rh6+- Re8 28.Re1 (28.c4 Nb6 29.Qc3 Qg7+-) 28...Qc6 (28...b5 29.Qe2+-) 29.Rh7+- b5 (29...a5 30.Rc1 b5 31.Ra7+/-) 30.Ra1 Rg8?? (30...Rd8 31.Qg3+-) 31.Kg1 (31.Ra7 Rd8 32.R7a6 Qc4 33.Kg1 Qc3 34.Qc3 Nc3 35.Rc6 Kb7 36.Rc3 Rd4+-) 31...Qc3?? (better is 31...Rg4+-) 32.Qc3 (worse is 32.Ra6 Qc1 33.Kh2 Rg7 34.Rg7 Qh6 35.Qh3 Qg7 36.Re6 Qg4 37.Qg4 fg4+-) 32...Nc3 33.Ra6 Kb8 34.Rb6 Ka8 35.Re6 1–0. Farkas,Ga1 (2345) – Schneider,Ve (2250), TCh–HUN, 2015. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    8.d4 0-0

    9.Bd3 Nc6 10.Qc2 h6 11.0-0 d6 12.ed6 Bd6 13.Na3 b6 14.Nc4 Be7 15.Nce5 Ne5 16.Ne5 a5 (16...Bb7 17.Ba3+=) 17.Bd2 Bb7 18.f4 (18.Rfb1 Qc7+=) 18...Rc8 (18...Qd6 19.Qb3-/+) 19.Qb3 Bd6 20.Rf2 Qc7 21.Ra4 (21.c4 Nb4 22.Bb4 Bb4-/+) 21...Rfd8-/+ (worse is 21...Nc3 22.Rc4 Bd5 23.Rc7 (worse is 23.Qc3 Bc4 24.Nc4 Bb4+=) 23...Bb3 24.Rc3=) 22.h3 Ra8 (22...Nc3?! 23.Rc4 Bd5 24.Rc7 Bb3 25.Rc3 Rc3 26.Bc3=) 23.Rc4 Qe7 24.Ra4 f6 25.Ng6 Qf7 26.Ra1 Re8 27.c4 Nb4 28.Ne5 Qe7 (28...Qc7 29.Bg6 fe5 30.fe5-/+) 29.Bg6+= Rf8 30.Raf1? b5 31.cb5 Bd5 32.Qg3 fe5 33.fe5 Rf2 34.Rf2 Bc7 35.Rf4 Bb6 36.Rg4 Rf8 37.Kh2 Bd8?? 38.Bh6+= gh6 39.Bb1 Kh8 40.Qe3 Qg5 41.Rg5 Bg5 42.Qe2 Rf4 43.Qh5 ½–½. Hynes,Wayne (2420) – Verde,Pino (2190), Canadian Championship (CCCA), 2008. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5 5.a3 e6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 d6 10.0-0 Nc6 11.ed6 Qd6 12.Re1 Nf6 13.Na3 Qd8 14.Bc2 (14.Ne5 Ne5 15.de5 Nd5=+) 14...b6 15.Qd3 Bb7 16.Nc4 g6 (16...b5 17.Ne3 a6 18.Ng4=+) 17.Bh6 Re8 18.h3 Bf8 (18...a6 19.Nce5 Ne5 20.Ne5-/+) 19.Bg5 Bg7 20.Bf4 Nd5 21.Bh2 a5 (21...Ncb4!? 22.cb4 Nb4=+) 22.Nd6= Ba6 23.Qd2 Re7 24.Ne4 (24.Be4 b5=) 24...h6 25.h4 Rc8 (25...Rd7 26.Bb3-/+) 26.h5=+ g5 27.Nfg5? (27.Nd6 Rcc7 28.Bd3 Bd3 29.Qd3 Nc3 30.Qc3 Nd4-/+) 27...f5?? (better 27...hg5 28.Nd6 Ra8 29.Qg5 Rc7-/+) 28.Nd6 (28.Nc5 hg5 29.Ne6 Re6 30.Re6 Nc3 31.Rd6-/+) 28...Rcc7?? (28...hg5 29.Nc8 Bc8 30.Ba4+=) 29.Nf3 (better 29.Ne6 Re6 30.Re6+-) 29...a4?? (better 29...Rcd7-/+) 30.Ra4 (30.Ba4!? Na5 31.Ra3+-) 30...Na5+- 31.c4 Nf6?? (31...Nc4 32.Ra6 Pinning (32.Ra6 Deflection); 31...Bc4 32.Nc4 Combination) 32.c5! Rcd7 (32...bc5 33.Ra5 Double attack (33.Ra5 Deflection; 33.Ra5 Decoy)) 33.Ne5 (33.cb6 Bb7 34.Qa5 Bf3 35.gf3 Rd6 36.Bd6 Qd6+-) 33...Rd6 34.cd6 Qd6 (34...Rb7 35.Bf4 Qd6 36.Bh6 Nh5 37.Qg5+-) 35.Bd3 (better 35.Ng6 f4 36.Bf4+-) 35...Bd3 36.Qd3 (36.Ng6!? Qd7 37.Ne7 Kh7 38.Qd3 Qa4 39.Re6 Qa1 40.Qf1 Qd4 41.Nf5 Qd5 42.Ng7 Kg7+-) 36...Qd8 37.Rb4 (37.Ra5 ba5 38.Nc6 Qd7 39.Ne7 Qe7 40.Qf5 ef5 41.Re7 Nh5+-) 37...Nd5 38.Rb5 Nb7?? (better 38...Rc7+-) 39.Nc6 Qe8 (39...Qd7 40.Ne7 Ne7 41.Rb6+-) 40.Ne7 Ne7 41.Re6 Qf7 (41...Nd8 42.Re1 Qd7 43.Rb6+-) 42.Rbb6 Nd8 (42...Nd5 43.Rg6 Nb6 44.Be5+-) 43.Red6 Ndc6 44.Rdc6 Nc6 45.Rc6 (45.Rc6 Qe8 46.Qc4 Qf7 47.Rc8 Bf8 48.d5 Qh5 49.d6 Qf7 50.Rf8 Kf8 51.Qc8 Qe8 52.d7 Qc8 53.dc8Q Kf7 54.Be5 Ke7 55.Qc7 Ke6 56.Qd6 Kf7 57.Qd7 Kg6 58.Qg7 Kh5 59.f3 f4 60.Qg4) 1–0. Bordovsky,Vladimir (2420) – Vasina,Olena (2145), 3rd Memory of Nebesna Sotnya, 2016. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 0-0)

    9.Bd3 d6 10.h4 de5 11.Bh7? (better is 11.de5 Nd7 12.Bg5-/+) 11...Kh7-+ 12.de5 Rh8 13.Ng5 Kg8 14.Qf3 Bg5 15.Bg5 Qc7 16.Ra4 (16.Qg3 Nd7 17.f4 Qb6-+) 16...Qe5 17.Re4 (17.Qe4 Qe4 18.Re4 b5-+) 17...Qf5 (17...Qg5 18.hg5 Rh1 19.Kd2 Rb1 20.c4-+) 18.Qe2 (18.Qf5 ef5 19.Re8 Kh7 20.Rh8 Kh8-+) 18...Nc6 (18...Qg5 19.hg5 Rh1 20.Kd2 Rb1 21.Qh5 Rb2 22.Kc1-+) 19.Rh3 Nf6 20.Bf6 Qf6 (worse is 20...gf6 21.h5-+) 21.Nd2 e5 22.Rf3 Qg6 23.Rg3 Qf6 24.Rf3 Qh6 25.Qc4 Be6 26.Qb5 Rd8 27.Ree3 (27.Rfe3 Bf5 28.Ra4 Qd6-+) 27...Qh4 28.Qb7 (28.Rd3 Rd3 29.Rd3 Qh1 30.Ke2 Bg4 31.Rf3 Rh6 32.Qb7 Rf6-+) 28...Qh1 (better is 28...Qa4 29.Rh3 Rh3 30.gh3-+) 29.Nf1 (29.Ke2 Bc4 30.Rd3-+) 29...Bc4 30.Re2 Qf1! (30...Qf1 31.Kf1 Rh1) 0–1. Zhdanov,Vladimir (2030) – Iliushkin,Evgen (2310), Privolzhskogo FO–ch, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.0-0 b6 11.c4 Nb4 12.Be2 Bb7 13.Nc3 a5 14.Qb3 N8a6 15.Rd1 h6 16.Bb2 g5 17.Nb5 g4 18.Ne1 Rb8 (18...Nc7 19.Nc7 Qc7 20.Bc1=) 19.Nd6 (19.Bc1 Kh7+=) 19...Ba8 20.Bc1 Bg5 (20...Bd6 21.ed6 Qh4 22.Bf4=) 21.Ba3 (21.Nd3 Bc1 22.Rdc1 Nd3 23.Qd3 Qh4+=) 21...h5 (21...Be7!?+=) 22.Nd3+/- f4 23.Nb4 Nb4 24.Bb4 ab4 25.Qd3 Kg7 26.d5 (better is 26.Rdb1+/-) 26...f3= 27.gf3 Bf4 28.Ra7 (28.fg4 Bh2 29.Kf1 Qh4-+ (29...Be5?! 30.gh5 Qf6 31.Ne4-+)) 28...Bb7?? (better is 28...gf3!? 29.Bf3 Be5+/-) 29.Bf1 (29.Nb7 Qh4 30.Kf1 Qh2 31.Ke1-+) 29...Qh4+/- 30.Bg2 Bh2 31.Kf1 gf3 32.Bf3 Be5? 33.Rb7 Rb7+/- 34.Nb7 Qf4 35.Ke2 Rf5 36.de6 de6 37.Nd8 Kf6 38.Nc6 Bc3 39.Rg1 Qh2?? 40.Qd8 Kf7 41.Qe7 1–0. Sabol,M (2330) – Prudek,J (2020), Liberec CZE, Desko Open, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f5 10.ef6 Nf6 11.0-0 b6 12.Nbd2 Bb7 13.Ba3 Nc6 14.Nc4 Ba3 15.Ra3 Qc7 16.Qa1 a6 17.Qb1 b5 18.Nce5 d6 19.Nc6 Qc6 (19...Bc6?! 20.Ng5 Qb7 21.Bh7 (worse is 21.Ne6 Rfe8 22.Nf4 g5 23.Qb3 Kh8-/+) 21...Kh8 22.f3=) 20.Qa2 Rfe8 21.Re1 Qc8 22.Ng5 Bd5 23.Qc2 h6 24.Nh3 e5 25.Bg6 Re7 26.Nf4 Bc4 27.Bf5 Qc6 28.Ng6 Ree8 29.de5 de5 30.Re5?? (30.Qc1 Qc5-+) 30...Re5 (better is 30...Qc5! 31.Re8 Re8-+ (31...Ne8?! 32.Ra1+=)) 31.Ne5 Re8 32.Nf3 Re2 33.Qd1 Qc5 34.Nd4 Re5 35.Ra6-/+ Rf5 36.Ra8 Kf7 37.Nf5 Qf5 38.Ra7 Kg6 39.h3 Qd3 40.Qe1 Qe2 41.Qc1 Nd5 42.Qb1 Qd3 43.Qe1 Qc3?? 44.Qe6?? Nf6+= 45.Qe7 Nd5?? 46.Ra6?? Nf6= 47.Qe4 Kf7 48.Ra7 Kg8 49.Ra8 Kf7 50.Ra7 ½–½. Fitzpatrick,A (2020) – Voon,R (1900), Oceania Zonal, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7)

    9.Bd3 f6 10.0-0 Nc6 11.Bd2 (11.Qc2 f5=) 11…fe5+= ½–½. Karlsson,Ulf – Tandrup,M (1965), Copenhagen Chess Challenge, 2012. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    8.d4 d6

    9.Bd3 Nc6 10.0-0 de5 11.de5 0-0 12.Qc2 h6 13.Na3 Kh8 14.Rd1 Bd7 15.Qb2 Qb8 16.c4 Ndb4 17.Be4 Be8 18.Nb5 f6 (18...f5 19.Bc6 Bc6 20.Nd6 Bf3 21.gf3=+) 19.Nd6= fe5 20.c5 (20.Ne8 Qe8 21.Bd2 a5=) 20...Bf6 (20...Bh5!?=+) 21.Bd2+= Nd5 22.Nb7 (22.Qb7!? Qb7 23.Nb7=) 22...Nd4 23.Rab1 Bh5 24.Qa2 (better 24.Nd4!? ed4 25.f3=+) 24...Ne2-/+ 25.Kf1 Nec3 26.Bc3 Nc3 27.Qc2 Nb1 (worse 27...Nd1 28.Nd6 Qc7 29.Ba8 Ra8 30.Rd1=+) 28.Rb1 Qc7 29.c6 Rfc8 30.Nc5 Rab8 31.Rd1 Qe7 (31...Bf3 32.Bf3 e4 33.Qe4 Qh2 34.Qe6 Qh1 35.Ke2 Qh4-/+) 32.Rd7=+ Qf8 33.c7 (better 33.Ra7!? Ra8 34.Ra8 Ra8 35.c7=+) 33...Rb5-+ 34.Ne6 Qe8 (34...Qg8 35.Qd3 Qe6 36.Qb5-+) 35.Bc6? (better 35.Rd6!? Rb6 36.Bc6=+) 35...Qe6-+ 36.Bb5 Be8 37.Qd2? (better 37.Qa4 e4 38.Nd2-+) 37...Bd7 38.Bd7 Qc4 (38...Qc4 39.Qe2 Rc7 40.Qc4 Rc4-+) 0–1. Borowski,Przemyslaw (1805) – Rak,T (2015), TCh–Poland 2nd League (1), 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 e6 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.Bd3 Nc6 10.0-0 de5 11.de5 Qc7 12.Qe2 Bd7 13.Bd2 Rc8 14.Na3 Bc5 15.Nb5 Qb8 16.Qe4 a6 17.Nbd4 Nde7 18.Rfe1 Ng6 19.h4 h5 20.Qe2 Nce7 21.g3 Qa7 22.Be4 Rd8 23.Bg5 Rc8 24.Reb1 Rc7 25.Rd1 b5 26.Bg6 Ng6? (better is 26...fg6 27.Be7 Be7= (worse is 27...Ke7 28.Qd3+/-)) 27.Nb5!+- Qb6 (27...ab5 28.Ra7; 27...Bb5 28.Rd8 Mate attack) 28.Ra6!! (28.Ra6 Rc6 29.Rb6 Bb6 30.Qd3+-) 1–0. Braunschlaeger,Claus (2230) – Skarke,Harald (2080), Bayern–chI Bank Hofmann 6th, 2002. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.Bd3 Nc6 10.0-0 de5 11.de5 Qc7 12.Qe2 f6 13.Bb5 0-0 14.c4 Nb6 15.Bb2 a6 16.c5 Nd5 (16...ab5?! 17.cb6 Qb8 18.Ra8 Qa8 19.Qb5=; 16...Bc5?! 17.Bc6 Qc6 18.Rc1-/+) 17.Nc3 Nf4 18.Qe3 fe5 19.Ne4 Nd4 20.Nd4 ed4 21.Qd4 (worse is 21.Bd4 e5 22.Bb2 Be6-/+) 21...e5 22.Qe5 Qe5 23.Be5 Be6 24.Ba4 Bd5 25.Bc2 Rac8 26.Rad1 Be4 27.Be4 Ne2 28.Kh1 Rc5 29.Bd5 Kh8 30.Rfe1 Rf2 31.Bb8 Rc2 32.Bb7 Rf8 33.Be4 Ra2 34.Bb1 Rb2?? 35.Be5+- Rb5 36.Re2 Bg5 37.Bg3 Rd5 38.Ree1 Rb5?! 39.h4 Bf6 40.Bd3 Rb6 41.Rb1 Rb1 42.Rb1 a5 43.Rb7 Bc3 44.Rc7 Bd4 45.Rc4 Be3 46.Be5 Rd8 47.Rc7 Bh6 48.Bc4 Ra8 49.g4 a4 50.g5 (50.g5 Rd8 51.gh6 Rd1 52.Kg2 Rd2 53.Kf3 Rd3 54.Bd3 Kg8 55.Bg7 a3 56.Bc4) 1–0. Sochacki,Wojtek (2210) – Racle,Valentin (1945), FRA–ch U18 Aix les Bains, 2009. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.Bd3 Nd7 10.0-0 de5 11.de5 0-0 12.Bd2 (12.Qc2 Qc7+=) 12...f5 13.ef6 Bf6 14.Qc2 h6 15.Re1 Kh8 (15...Qc7 16.Be2 Ne5 17.Qe4-/+) 16.Bg6 (16.Bc4 Qc7 17.Qe4 Nc5-/+) 16...e5 (16...Qc7 17.Qe4-/+) 17.Ra4 (17.Be4!? Nc5 18.c4+=) 17...Nc5-/+ 18.Ra3 Nf4 (18...Qd6!?-/+) 19.Ne5+= Be5 20.Re5 Ng6 21.Qg6 Qd3 (21...b6 22.h3 Qc7 23.Re8-+) 22.Qd3= Nd3 ½–½. Schulz,HJ (2000) – Jacoby,G (2225), 11th IHEM, Hamburg GER, 2008. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.Bd3 Nd7 10.Bd2 de5 11.de5 Nc5 12.Bc2 Bd7 13.Nd4 Bg5 14.Qg4 Bd2 15.Nd2 Kf8 (worse is 15...Nc3 16.Qg7 Rf8 17.Qg3+/-) 16.Nc4 h5 17.Qg3 h4 18.Qg4 h3 19.g3 (19.gh3 Rh4 (worse is 19...Nc3 20.Rg1 g5 21.Nf3+=) 20.Qg3 Ne4 21.Be4 Re4 22.Kd2 Qh4+=) 19...Nc3 20.Nd6 f6 21.0-0 Kg8 (21...b6 22.Qf3 Nd5 23.Bg6=) 22.Rfe1 (22.Bg6 fe5 23.Qf3+=) 22...Rh6 23.Rac1 Qe7 24.Nb3 fe5 25.Nc5 Qd6 26.Nd7 (26.Ne4!? Ne4 27.Be4-/+) 26...Qd7-+ 27.Bb3?? (better is 27.Be4 Qd2 28.Qf3 Ne4 29.Qe4-+) 27...Qd4 (better is 27...Qc6 28.f3 Qb6 29.Kh1 Qb3-+) 28.Be6-/+ Kh8 29.Qf5 e4 30.Re3 Rd8-/+ 31.Bb3? Qe3!-+ 32.fe3 Ne2 33.Kf2? Nc1 34.Qe4 Rf6 35.Ke1 Nd3 36.Ke2 Rf2 37.Kd1 0–1. Buecker,S – Drazic,S, Dortmund–B, 1990. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.Bd3 Nd7 10.Qe2 de5 11.de5 Nc5 12.Bc2 b6 13.0-0 a5 14.Rd1 Ba6 15.Qe1 Ra7 16.Nd4 Rd7 17.f4 g6 18.f5? (better is 18.Na3!?+=) 18...ef5 19.Bf5?? (better is 19.Bh6-+) 19...gf5 20.Nf5 Ne6 (better is 20...Nd3!? 21.Rd3 Bd3 22.Ng7 Kf8 23.Bh6-+) 21.Ne7?! (21.Ba3-+) 21...Ne7 22.Rd7 Qd7 23.Nd2 Nc5 24.Ba3 Qc6 (24...Qc6 25.Qf2 Nd3-+) 0–1. Frohberg,Marco (2300) – Siegel,Georg (2495), GER–ch, 1998. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.Bd3 de5 10.de5 Nd7 11.0-0 Nc5 12.Bc2 0-0 13.Qe2 Bd7 14.Nd4 Qc7 15.f4 Na6 (15...Rfd8 16.Ba3-/+) 16.Bd2 Bc5 17.Qe4 (17.Bd3 Rfd8-/+) 17...g6 18.Kh1 Rac8 (18...Bb6 19.Qd3-/+) 19.Bd3=+ Bb6 20.Ra6 (20.Ba6 ba6 21.Rf3=+ (21.Ra6? Qc4 22.Qe2 Qe2 23.Ne2 Bb5 24.Rb6 Nb6-+)) 20...ba6-/+ 21.f5 (21.Ba6 Rcd8-/+) 21...Bd4-+ 22.cd4 (22.Qd4 Bb5 23.c4 Bc4-+) 22...Bb5 (worse 22...gf5 23.Qh4 f6 24.Ba6-/+) 23.f6 (23.Na3 gf5 24.Qf3 Bd3 25.Qd3 f6 26.Qa6 Qd7-+) 23...Bd3 24.Qd3 Qc4 25.Qf3 (25.Rf3 Rfd8 26.g3 a5-+) 25...Qd4 26.Re1 (26.Qg3 Rfd8-+) 26...Rc2 27.Qh3 (27.Qd1 Rfc8-+) 27...h5 (27...Rd2?! 28.Qh6 Nf6 29.ef6 Qf6 30.Nd2=) 28.Qg3 (28.Bg5 Rb8 29.Qg3 Rbb2-+) 28...Rd2 29.Nd2 Qd2 30.Rb1 (30.Rg1 Rc8 31.Qa3 Nf4-+) 30…Rc8 (30...Rc8 31.Qe1 Qe1 32.Re1 Nb4-+) 0-1. Akhvlediani,Irakli (2355) - Quparadze,G (2460), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5)

    9.ed6 Bd6 10.Nbd2? Nc3-+ 11.Qb3 Nd5 12.Bb5 Bd7 13.0-0 0-0 14.Ne4 Be7 15.Bd3 (15.Bd7 Qd7 16.Ne5 Qc7-+) 15...Qb6 16.Qd1 (16.Qb6 Nb6 (16...ab6?? 17.Ra8 Nc6 18.Rf8 Kf8 19.Bd2+-) 17.Bd2 Bc6-+) 16...Nc6 17.Nc5 Bc5 18.dc5 Qc5 19.Bh7?? (better 19.Ba3 Ncb4 20.Rc1-+) 19...Kh7 20.Ng5 Kg8 21.Bb2 (21.Ba3 Ndb4 22.Qh5 Qf5-+) 21...f6 (21...Nf4 22.Ne4 Qf5 23.Re1-+) 22.Ne4 Qb4 23.Qc2 Qb6 24.Ng3 (24.Rfb1 Ncb4 25.Qd2 a5-+) 24...Nd4 (24...e5 25.Rfb1 Qc7 26.Ba3-+) 25.Bd4 Qd4 26.Nh5 (26.Rfd1 Qg4-+) 26...Qg4 27.Qd1 (27.Ng3 a5-+) 27...Qd1 28.Rfd1 Rfc8 (28...Rfd8 29.Ra5-+) 29.Nf4 Nf4 (29...Rc5 30.Nd3 Rc7 31.Rdc1-+) 30.Rd7 Ne2 (30...b5!? 31.g3 Rc1 32.Rc1 Ne2 33.Kg2 Nc1 34.Rb7-+) 31.Kf1 Rc1 32.Rc1 Nc1 33.Rb7 a5 34.Rb1 Nd3 35.g3 a4 36.Ke2 Ne5 37.Kd1 (37.Ra1 a3-+) 37...a3 (37...Ng4 38.Ke2-+) 38.Kc2 a2 39.Ra1 Ng4 0–1. Krastina,Alma – Cejda,Cecilia, German Youth Championship G18, 2016. (=1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.a3 e6 5.b4 cb4 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.ed6 Bd6 10.Bd3 h6 11.0-0 0-0 12.c4 Nf6 13.Nc3 Bd7 14.Bb2 Bc6 15.d5 ed5 16.cd5 Nd5 17.Nd5 Bd5 18.Bb1 Bf3 19.Qf3 Qc7?? (better is 19...Nc6-/+) 20.Qf5+- f6 21.Qh7 Kf7 22.Re1 Bh2 23.Kh1 Be5 24.Ba2 Ke8 25.Qg6 Rf7 (25...Kd8 26.Red1 Nd7+-) 26.Be5 (26.Bf7 Qf7 27.Qg4 Kf8 28.Qc8 Qe8 29.Ba3 Kf7 30.Qb7 Nd7+-) 26...fe5 27.Bf7 Qf7 28.Re5 (28.Re5 Kf8 29.Rf5 Qf5 30.Qf5 Kg8 31.Qd5 Kh7 32.Qe4 Kg8 33.Qb7+-) 1–0. Farkas,Gabor (2240) – Palka,Miroslav (2055), SVK–chT3A2, 2006. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    9.c4 Nb4

    10.Qa4 N8c6 11.Nc3 de5 12.de5 Nd3 13.Bd3 Qd3 14.Bd2 0-0 15.Qb3 Rd8 16.Be3 -+.

    10.Qa4 N8c6 11.Bd2 de5 12.Ne5? (better is 12.de5 0-0 13.Na3-+) 12...Qd4-+ 13.Nc6 Qe4 (13...Qa1 14.Qa1 Nc2 15.Kd1 Na1 16.Ne7 Ke7 17.Bb4 Ke8 18.Nd2-+) 14.Kd1 Nc6 15.Nc3 Qe5 16.f4 Qd4 17.Nb5 Qd8 18.Ke1 0-0 19.Rd1 0–1. Johnsen,Svein Harald – Royset,Paal Nikolaj (2245), Kalotturneringen, 2000. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4)

    10.Qa4 N8c6 11.ed6 Qd6 12.c5 Qd5 13.Be3 Qf5 14.Na3 0-0 15.Bb5 Bd7 16.0-0 -/+.

    10.Qa4 N8c6 11.Be2 de5 12.de5 Nd3 13.Bd3 Qd3 14.Ba3 Qe4 15.Kd1 Ba3 16.Nbd2 -+.

    10.Qa4 N8c6 11.Be3 de5 12.de5 0-0 13.Na3 Bd7 14.Nb5 a6 15.Na3 Ne5 16.Qd1 -+.

    10.ed6 Qd6 11.Na3 N8c6 12.Nb5 Qb8 13.Be2 a6 14.Nc3 0-0 15.0-0 Rd8 16.Be3 -/+.

    10.ed6 Qd6 11.Nc3 N8c6 12.Nb5 Qb8 13.d5 ed5 14.cd5 Bf5 15.Na3 Ne5 16.Bb5 Bd7 (better is 16...Kf8!? 17.0-0 Qd6-/+) 17.0-0= 0-0 18.Bb2 Nf3 ½–½. Perez Pietronave,C (2200) – Iermito,S (2460), Buenos Aires ARG, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6 9.c4 Nb4)

    10.ed6 Qd6 11.Nc3 N8c6 12.c5 Qd8 13.Bb5 0-0 14.0-0 b6 15.cb6 Qb6 16.Be3 +=.

    10.ed6 Qd6 11.c5 Qc7 12.Qb3 N8c6 13.Nc3 0-0 14.Ra4 a5 15.Nb5 Qb8 16.Bc4 -/+.

    10.Be3 de5 11.Ne5 (11.de5 Qd1 12.Kd1 N8c6 13.Nc3 0-0 14.Nb5 Rd8 15.Ke2 Nc2 16.Nc7-/+ –1.37) 11...N8c6 12.Nc6 Nc6 13.Nc3 0-0 14.Be2 Qd7 15.Qd2 Bf6 16.Rd1-/+ –1.00.

    10.Bf4 A) 10...b6 11.ed6 (11.Bd3 Bb7 12.0-0 de5 13.Be5 0-0 14.Re1 Nd3 15.Qd3 Nc6 16.Nc3-/+ –0.94; 11.Nc3 0-0 12.ed6 Bd6 13.Bd6 Qd6 14.Nb5 Qe7 15.Be2 Bb7 16.0-0-/+ –0.84; 11.Be2 de5 12.Be5 N8c6 13.0-0 0-0 14.Bf4 Qd7 15.Nc3 Rd8 16.Nb5-/+ –1.03) 11...Bd6 12.Bd6 Qd6 13.Nc3 Bb7 14.Be2 0-0 15.0-0 N8c6 16.Qd2-/+ –0.84; B) 10...N8c6 11.ed6 Bd6 12.Bd6 Qd6 13.c5 Qf4 14.Na3 0-0 15.Qd2 Qg4 16.Nb5-/+ –0.97; C) 10...0-0 11.ed6 (11.Be2 de5 12.Be5 N8c6 13.0-0 Ne5 14.Ne5 Bf6 15.Na3 Nc6 16.Nc6-/+ –1.09; 11.Bd3 de5 12.Be5 N8c6 13.Be4 Ne5 14.de5 Qc7 15.Qe2 Bd7 16.0-0-/+ –1.00; 11.Nbd2 de5 12.de5 N8c6 13.Be2 g5 14.Be3 g4 15.Ng1 Nd4 16.Rb1-+ –1.69) 11...Bd6 12.Bd6 Qd6 13.c5 Qf4 14.Be2 N8c6 15.Qd2 Qd2 16.Kd2-/+ –1.00.

    10.ed6 Bd6

    11.Nc3 0-0 12.Be2 N8c6 13.Ne4 Be7 14.0-0 b6 15.Bg5 Bg5 16.Neg5 -/+.

    11.c5 Bc7 12.Bg5 Qd7 13.Ra4 N4c6 14.Bd3 h6 15.Be3 0-0 16.0-0 +=.

    11.Be2 0-0 12.0-0 Nd7 13.Qb3 Nc6 14.Nc3 Re8 15.Rd1 b6 16.Ne4 Be7 17.Bb2 Nf6 18.Bd3 Na5 19.Qc2 Ba6 (19...h6 20.Ne5 Qc7 21.c5=) 20.Neg5 g6 21.Ne5 Rf8 22.d5 ed5 23.Nh7 (better is 23.cd5!? Bd3 24.Rd3=) 23...Nh7 24.Bg6 Ng5 (better is 24...Nf6 25.cd5 Bc8-/+ (25...fg6 26.Qg6 Kh8 27.Rd4 Nh5 28.Rh4 Bh4 29.Nf7; 25...Nd5?? 26.Bh7 Kg7 27.Nf7 Kf7 28.Qg6)) 25.Rd5 Qc8 (25...Qc7 26.Nd7 Qc4 27.Bf7 Kf7 28.Ne5 Ke6 29.Nc4 Nc4 30.Rd4+-) 26.Bf5 (better is 26.Nc6! Qc6 27.Rg5 fg6 28.Rg6 Kf7 29.Rc6 Nc6 30.Qe2+-) 26...Qc7+/- 27.Rd7 Qc5 28.Bd4 Qb4 29.Rb1 Qa3 30.h4 Rfd8 31.hg5 Kf8 32.g6 f6 33.g7! Kg7 34.Bh7 (34.Bh7 Rf8 35.Qg6 Kh8 36.Qh6 Qc1 37.Rc1 fe5 38.Be4 Kg8 39.Qh7) 1–0. Farkas,Gabor (2325) – Szabo,Krisztian (2480), EU–chT U18 Subotica, 2007. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6 9.c4 Nb4)

    11.Be2 N8c6 12.0-0 0-0 13.Nc3 b6 14.Nb5 Be7 15.Bf4 Bb7 16.Nc7 e5! 17.Na8 (17.de5 Qc7 Decoy (17...Qc7 Interception); 17.Ne5 Qd6 Double attack (17...Nd4 Deflection; 17...Qc7 Decoy; 17...Qc7 Interception); 17.Be5 Ne5 Combination) 17...ef4 18.Nb6 ab6 19.Qd2 Na5 20.Rfb1 Bf3 21.Bf3 Nbc6 22.Bc6 Nc6 23.d5 Bc5 (23...f3 24.Qe3 Na5 25.Qb6 Nc4 26.Qd8 Rd8 27.gf3-/+) 24.Qf4=+ Nd4 25.Kh1 g6 (25...b5 26.cb5 Qd5 27.b6=) 26.Rd1= Nf5 27.g3 (27.Re1 Bd6 28.Qg4 Qc7=) 27...Qd6 28.Qf3 Qe5 29.Rac1 (29.Kg2 Nd6 30.Ra4 Qb2-/+) 29...Qb2 30.g4 (30.Rf1 Nd6-/+) 30...Nd6 31.Kg2 f5 32.Rb1 Qa2 33.g5 Qc4 34.Qb3 (34.Rbc1 Qh4 35.Qg3 Qh5-+) 34...Qg4 35.Qg3 Ne4 36.Qg4 fg4 37.Rb2 Nf2 (worse 37...Rf2 38.Rf2 Nf2 39.Ra1-+; 37...Bf2?! 38.d6 Be3 39.d7 Bg5 40.Rb6-+) 38.Rf1 Ne4 39.Rf8 Kf8 40.Ra2 Ng5 41.Ra7 h5 42.Kg3 Bd6 43.Kg2 b5 44.Rd7 Nf7 45.h3 (45.Rb7 b4-+) 45...g3 (45...gh3 46.Kh3 g5 47.Ra7-+) 46.h4 (46.Ra7 h4-+) 46...b4 47.Kh3 (47.Ra7 g5 48.Ra8 Kg7 49.hg5 Ng5 50.Ra7 Kf6-+) 47...Kg7 (47...g5 48.Ra7-+) 48.Ra7 Kf6 49.Rd7 (49.Ra1 g5-+) 49...g5 50.hg5 (50.Ra7 gh4 51.Ra2 Kg5-+) 50...Ng5 (50...Kg5?! 51.Rf7 h4 52.Rh7=+) 51.Kg2 Be5 52.Rb7 (52.Rd8 h4 53.Rh8 h3 54.Rh3 Nh3 55.Kh3 b3 56.Kg4 b2 57.Kf3 b1Q 58.d6 Qd3 59.Kg2 Qd5 60.Kh3 Kf5 61.d7 Qh1) 52…h4 (52...h4 53.Rb6 Kg7 54.Rb7 Kg6 55.Rb6 Kh5-+) 0–1. Bortnik,Alexandr (2300) – Laurusas,Tomas (2290), World Youth Chess Championship Open U14, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6 9.c4 Nb4 10.ed6 Bd6)

    11.Bg5 f6 12.Be3 0-0 13.c5 Bc7 14.Bc4 N8c6 15.0-0 Na5 16.Be2 +=.

    9.c4 Nc7

    10.Ba3 A) 10...0-0 11.Bd3 (11.Qc2 de5 12.de5 f5 13.ef6 Bf6 14.Nc3 Rf7 15.Bd3 g6 16.Rd1=; 11.Be2 Nc6 12.Nc3 de5 13.de5 Ba3 14.Ra3 f6 15.ef6 Qd1 16.Kd1-/+) 11...Nc6 12.Qc2 h6 13.0-0 b6 14.Rd1 Bb7 15.Nc3 de5 16.de5=; B) 10...Nc6 11.Bd3 (11.Bd6 Bd6 12.ed6 Qd6 13.Nc3 0-0 14.Ne4 Qe7 15.c5 Rd8 16.Nd6-/+; 11.ed6 Bd6 12.Bd6 Qd6 13.Nc3 0-0 14.Ne4 Qe7 15.c5 Rd8 16.Nd6-/+; 11.Nbd2 0-0 12.Ne4 de5 13.de5 Qd1 14.Kd1 Rd8 15.Kc1 Kf8 16.Be2+=) 11...de5 12.Be7 Qe7 13.de5 Qc5 14.Qe2 b6 15.Nbd2 0-0 16.0-0+=; C) 10...b6 11.Bd3 (11.Nc3 Bb7 12.ed6 Bd6 13.c5 Be7 14.cb6 ab6 15.Be7 Qe7 16.Ra8-/+; 11.ed6 Bd6 12.c5 Bf4 13.Nc3 bc5 14.Bc5 a6 15.g3 Bd6 16.Ne4+=; 11.Be2 0-0 12.Bd3 Bb7 13.Qc2 de5 14.de5 h6 15.Be7 Qe7 16.Bh7-/+) 11...Bb7 12.ed6 Bd6 13.Bd6 Qd6 14.Nbd2 Bf3 15.Nf3 Nc6 16.Be4=; D) 10...de5 11.Ne5 (11.Be7 Qe7 12.Ne5 Nc6 13.Nc6 bc6 14.Qf3 e5 15.Qc6 Kd8 16.Qf3-/+; 11.de5 Qd1 12.Kd1 b6 13.Bd3 Bb7 14.Nbd2 f5 15.Ke2 Nba6 16.Rhd1-/+) 11...Ba3 12.Ra3 0-0 13.Bd3 f5 14.Be2 Nd7 15.Nf3 Qf6 16.0-0+=.

    10.Bb2 de5 11.Ne5 Nd7 12.f4 Ne5 13.fe5 Bb4 14.Kf2 0-0 15.Qh5 g6 16.Qh6 (16.Qe2!?-/+) 16...f6-+ 17.Bd3 (17.Ke2 fe5 18.de5 b5-+) 17...fe5 18.Kg3? (18.Ke2 Qf6 19.Qe3 ed4 20.Bd4 e5-+) 18...e4! (worse is 18...ed4 19.Bg6 Qd6 20.Kh4 Qe7 21.Kh5-+) 19.Be4 Bd6 20.Kh3 e5 21.g4 Bg4! 22.Kg2 Qf6 (22...Qf6 23.Qe3 Qh4-+) 0–1. Grabianowski,Krystian (1875) – Przybylski,Bartosz (2105), III Wielkopolska Liga Seniorow Poland, 2012. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6 9.c4 Nc7)

    10.Nc3 A) 10...Nc6 11.Bd3 (11.Nb5 Nb5 12.cb5 Nb4 13.Be2 de5 14.de5 Qd1 15.Kd1 a5 16.Ra4-/+; 11.ed6 Bd6 12.c5 Be7 13.Bc4 0-0 14.0-0 Bf6 15.Be3 b6 16.cb6+=; 11.Be3 de5 12.de5 Qd1 13.Rd1 Bb4 14.Bd2 Bc3 15.Bc3 a5 16.Bb2+=) 11...de5 12.de5 Bb4 13.Qc2 Na6 14.Be3 Nc5 15.Bh7 Qb6 16.0-0+=; B) 10...b6 11.Bf4 (11.Ba3 Bb7 12.Be2 0-0 13.0-0 de5 14.Be7 Qe7 15.Ne5 Nd7 16.Bf3-/+; 11.Bd3 Bb7 12.ed6 Bd6 13.0-0 Nc6 14.Be4 0-0 15.Re1 Re8 16.Qa4+=; 11.ed6 Bd6 12.Bd3 Bb7 13.0-0 Nc6 14.Be3 Nb4 15.Be4 Be4 16.Ne4+=) 11...Bb7 12.Bd3 de5 13.Be5 Bb4 14.Qb3 Nca6 15.0-0 Bc3 16.Qc3+=; C) 10...0-0 11.Qc2 (11.Bd3 de5 12.de5 Nd7 13.Qc2 f5 14.ef6 Nf6 15.Ne4 Bb4 16.Bd2+=; 11.ed6 Bd6 12.Bd3 Nc6 13.0-0 b6 14.Be3 Qe7 15.Qb1 f5 16.Nb5=; 11.Be2 de5 12.de5 Qd1 13.Bd1 Bb4 14.Bd2 Rd8 15.Bc2 Nc6 16.Rd1-/+) 11...de5 12.de5 f5 13.ef6 Bf6 14.Bd3 g6 15.Bh6 Rf7 16.Rd1=; D) 10...de5 11.Ne5 (11.de5 Qd1 12.Nd1 b6 13.Be2 Bb7 14.Nc3 f6 15.Nb5 Nb5 16.cb5-/+) 11...0-0 12.Be3 f6 13.Nf3 e5 14.de5 Nc6 15.ef6 Bf6 16.Qb3+=.

    10.Bf4 A) 10...de5 11.Be5 f6 12.Bc7 Qc7 13.Bd3 Bb4 14.Nbd2 Qd7 15.Qb1 Nc6 16.Qb2+=; B) 10...0-0 11.Nc3 (11.Qc2 de5 12.de5 Nc6 13.Nc3 Nb4 14.Qe4 Nca6 15.Qe2 Nc5 16.Rd1-/+; 11.ed6 Bd6 12.Bd6 Qd6 13.c5 Qd7 14.Ne5 Qd8 15.Bd3 Nc6 16.Nc6+=; 11.Bd3 de5 12.de5 Nba6 13.Nc3 Nc5 14.Bc2 b6 15.Qb1 h6 16.0-0-/+) 11...de5 12.de5 Nba6 13.Be2 b6 14.0-0 Bb7 15.Qb1 f5 16.Nb5+=; C) 10...Nc6 11.Qd2 (11.Nc3 de5 12.de5 0-0 13.Bd3 f5 14.Be2 Bb4 15.Bd2 Rf7 16.Qb3-/+; 11.Nbd2 de5 12.de5 0-0 13.Ne4 b6 14.Be2 Bb4 15.Bd2 Qe7 16.0-0-/+; 11.ed6 Bd6 12.Bd6 Qd6 13.Nc3 0-0 14.Ne4 Qe7 15.c5 Rd8 16.Nd6-/+) 11...de5 12.de5 Bb4 13.Nc3 f6 14.Qd8 Kd8 15.0-0-0 Bd7 16.Ne4+=.

    10.ed6 Qd6

    11.Ba3 Qd8 12.Be7 Qe7 13.Bd3 Nc6 14.Be4 0-0 15.0-0 Rd8 16.Qd3 +=.

    11.Nc3 Qd8 12.Bd3 Nc6 13.Be3 b6 14.0-0 Bb7 15.Rb1 0-0 16.c5 +=..

    11.c5 Qd8 12.Bd3 Nc6 13.Be3 Nd5 14.0-0 0-0 15.Qe2 Bf6 16.Ra3 -/+.

    11.Bd3 Qd7 12.0-0 Nc6 13.Be4 0-0 14.Qd3 Nb4 15.Qe3 f5 16.Ne5 +=.

    11.Be2 Nc6 12.0-0 0-0 13.Bb2 b6 14.Nbd2 Bb7 15.Qb1 f5 16.Rd1 Rfd8 17.d5 ed5 18.cd5 Nd5 (18...Qd5?? 19.Bc4 Kh8 20.Bd5 Rd5 21.Nc4 Rd1 22.Qd1+-) 19.Qf5 Qf4 20.Qe6 Qf7 21.Qg4 Bc8 22.Qa4 Ndb4 23.Nc4 Rd1 24.Rd1?? (better is 24.Qd1 Be6 25.Nce5 Ne5 26.Ne5-/+) 24...b5!-+ 25.Qb5 Ba6 26.Qa6 Na6 27.Nce5 Ne5 28.Ne5 Qf5 29.Bd3 (29.Bc4 Kf8 30.Rd3-+) 29...Rd8 30.Bc4 Kf8 (30...Kf8 31.Rd8 Bd8-+) 0–1. Yohan,J (2145) – Patil,Pratik (2235), Lucknow IND, 2013. (=1.e4 c5 2.Nf3 e6 3.b4 cb4+= 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    10.ed6 Bd6

    11.Nc3 Bb4 12.Bb2 Nc6+=.

    11.Nc3 Bb4 12.Qb3 Nc6= 13.Be2 (13.Be3 a5=) 13...b5 (13...a5 14.Be3 a4 15.Qc2=) 14.0-0 bc4 15.Qc4 (15.Bc4 Rb8=) 15...Bb7 16.Rb1 (16.Bg5 f6 17.Bd2 a5=+) 16...a5 17.Rd1 (17.Ne4 Nd5=+) 17...0-0 (17...Nd5 18.Nd5 Qd5 19.Qd5 ed5 20.Ne5=+) 18.Bg5 (18.d5 ed5 19.Nd5 Nd5 20.Rd5 Qe7=) 18...Qe8=+ 19.Ne4 (19.Qb3!?=+) 19...Ba6-/+ 20.Qa2 (20.Qc1 Nd5 (20...Be2?? 21.Nf6 Kh8 22.Qc2+-) 21.Ba6 Ra6-/+) 20...Be2 21.Qe2 f6 (21...Nd5 22.Rdc1 a4-/+) 22.Bf4 (22.Bd2!?=+) 22...Nd5-/+ 23.Bd2 (23.Bd6 Bd6 24.Nd6 Qe7-+) 23...Rd8 (23...a4 24.Qc4 Bd2 25.Rd2-+) 24.Qc4 (24.Nc5 e5=+) 24...Kh8 (24...Rc8 25.Qe2-/+) 25.Nc5 (25.Rdc1 Rc8 26.Bb4 Ncb4=+ (worse 26...Ndb4 27.Nd6 Qd7 28.Nc8 Rc8 29.Qb3+-)) 25...Bc5 (25...Rf7 26.g3=+) 26.dc5 e5 27.Rb5 Exerts pressure on the isolated pawn (27.Ra1 Ndb4=+) 27...Ndb4-/+ 28.Re1 (28.h3 Qg6 29.Rf1 Qd3 30.Qd3 Rd3-/+) 28...Qd7 29.Rb6 (29.Kf1 Qd5 30.Qd5 Rd5-/+ (30...Nd5?! 31.Ba5 Rd7 32.Reb1=)) 29...Qd3 (29...Qd5 30.Rc1-/+) 30.Qg4 (30.Re4 Qc4 31.Rc4 Rd7-/+) 30...Nd4 (better 30...Qc2!? 31.Rb7 Rg8 32.Bb4 Nb4-+) 31.Bb4=+ ab4 32.Nd4? (better 32.Rb4 Qc3 33.Rbb1=+) 32...Rd4-+ (32...Qd4?! 33.Qd4 Rd4 34.Rc1=) 33.Qe6?? (33.Qg3 Qc3 34.Qc3 bc3=+) 33...Qc3 (better 33...Qe2! 34.h3 Qe1 35.Kh2 Qf2-+) 34.Rf1 Qc5 35.Rc6 (35.Rb7 e4-+) 35...Qa7 36.Ra6 Qc7 37.Rfa1? (37.Rc6 Qb7 38.Rb6 Qa8-+) 37...Rfd8 (37...Qc2 38.h3 b3 39.Ra8-+) 38.g3 (38.h3-+) 38...Qd7?? (38...Qc2 39.Rf1-+) 39.Qb3? (39.Qd7!? R8d7 40.Rb6-/+) 39...Rd1 (39...Qb5 40.h4-+) 40.Kg2 (40.Qd1 Qd1 41.Rd1 Rd1 42.Kg2 h5-+) 40...Qb7 (40...Ra1 41.Ra1 Qb7 42.Kg1-+) 41.Qf3 Qf3 42.Kf3 Ra1 43.Ra1 b3 0–1. Theuretzbacher,Klaus (2245) – Pinter,Erik (2375), TCh–AUT, 2017. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.Nf3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6 9.c4 Nc7)

    11.Nc3 Bb4 12.Qc2 b6 13.Be2 0-0 14.0-0 Bb7 15.Be3 h6 16.Rfb1+=.

    11.Nc3 Nc6 12.Be2+=.

    11.c5 Be7 12.Bd3 Nc6 13.Be3 Nd5 14.0-0 0-0 15.Qe2 b6 16.cb6-/+.

    11.Bd3 Nc6 12.0-0 0-0 13.Be4 Ne8 14.Bg5 Nf6 15.Qd3 h6 16.Bh4+=.

    11.Be2 b6 12.0-0 Bb7 13.Bg5 f6 14.Be3 Nd7 15.Qc2 Bc6 16.Rc1+=.

    9.Bd3 Bd7

    10.0-0 Bc6 11.Bd2 de5 12.Ne5 0-0+=.

    10.0-0 Bc6 11.Re1 b5 12.ed6 (12.Qb3 0-0+=) 12...Bd6= 13.Ne5 a6 (13...0-0 14.Nc6 Nc6 15.Bb5=) 14.Qg4 Bb7 (14...g6 15.Bh6 Be5 16.de5+=) 15.Na3 (15.c4 bc4 16.Bc4 0-0+/-) 15...Be5 (15...Kf8 16.c4 Nf6 17.Qh3=) 16.Re5 (16.de5 Ne7 17.Rd1 Nd7=) 16...Nd7 (16...Kf8=) 17.Re1 (17.Qg7 Qf6 18.Qf6 N5f6+=) 17...N5f6 (17...N7f6 18.Qg3+=) 18.Qh4 (18.Qg3 0-0+=) 18...Rc8 19.c4 Qa5 (better is 19...b4!?=) 20.Nc2+/- Qb6 21.d5 (21.c5 Qd8 22.Ra3 0-0+=) 21...bc4 (better is 21...Nc5!? 22.Be3 bc4 23.Bc4 Nd5 24.Bd5 Bd5+=) 22.de6+= cd3? (better is 22...fe6!? 23.Bc4 Bd5 24.Bd5 Nd5 25.Qh5 Kf8+/-) 23.ed7+/- Kd7 24.Qh3 Kc6?? (better is 24...Kd8 25.Qd3 Nd7 26.Bg5 f6+-) 25.Be3 (25.Re6 fe6 26.Qe6 Kc7 27.Bf4 Kd8 28.Qb6 Ke8 29.Qb7 d2 30.Bd2 Kf8 31.Qc8 Kf7 32.Qh8 Nh5 33.Ra6 Nf4 34.Bf4 h5 35.h4 Ke7 36.Qg7 Ke8 37.Ra8) 25...Qd8 (25...dc2 26.Bb6 Kb6 27.Qb3 Ka7+-) 26.Nb4 Kb5 27.Reb1 (27.Reb1 Kc4 28.Ra4 d2 29.Na6 Kd5 30.Rd4 Kc6 31.Nb4 Kb6 32.Rd8 Kb5 33.Nd5 Ka6 34.Rb6 Ka7 35.Rc6 Ka8 36.Rcc8 Bc8 37.Qc8) 1–0. Mladenov,Plamen (2405) – Pucher,Sebastien (2240), Dieppe FRA, 8th Open, 2012. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7)

    10.0-0 Bc6 11.Re1 Nd7 12.ed6 Bd6 13.Qc2=.

    10.0-0 Bc6 11.Re1 de5 12.Ne5= Nf6 13.Qb3 (13.Nc6 Nc6 14.Nd2 Nd5=+) 13...Qd5=+ 14.Qd5 Nd5 (14...ed5?! 15.Ba3 Ba3 16.Nc6 (worse 16.Na3 0-0=+; worse 16.Ra3 0-0=+) 16...Kf8 17.Na7 Ra7 18.Ra3+=; 14...Bd5?! 15.Na3 Ba3 16.Ra3=) 15.Bd2 (15.Be4 Nf6 16.Bd3 Nbd7 17.Nc6 bc6=) 15...0-0 (15...Bd6 16.Na3=+) 16.Na3 Rc8 (16...a6 17.Nac4=+) 17.Reb1 (17.Nc2 b6=+) 17...b6 18.c4 Nf6 19.Nb5 Bb5 (19...a6 20.Nc3 Nfd7 21.Nc6 Nc6 22.Be3=+) 20.Rb5 (20.cb5 Rd8=) 20...Nc6 21.Nc6 Rc6 22.Be2 Ne4 23.Bf3 f5 24.d5 (24.Ra4!?=+) 24...ed5 (24...Rc4 25.de6 Bf6 26.Re1-+) 25.cd5 Rc5 26.Rc5 Bc5 27.Be3 Be3 (27...a5 28.Bc5 bc5 29.Be4 fe4 30.Kf1-/+) 28.fe3 a5 29.Be2 (29.g4 g6-/+) 29...Nd6 (29...a4 30.g4 g6 31.gf5 gf5 32.Bd3-+) 30.Kf2 (30.Rb1 Rb8-/+) 30...b5 Black intends a4 (30...a4 31.g4 g6 32.Kf3-+) 31.Ke1 (31.g4 fg4 32.Bg4 a4-+) 31...a4 32.Kd2 (32.g4 Re8-+) 32...Rc8 (32...b4 33.g4 Ra5 34.Bd3-+) 33.Kd3 Kf7 (33...Rc4 34.Ra2-+) 34.Kd4 (34.g4 g6-+) 34...Kf6 (34...Rc2 35.Kd3 Rc4 36.h3-+) 35.Rb1 (35.Bd3 h5-+) 35...a3 36.e4? (36.Bd3-+) 36...fe4 37.Rf1 (37.Bb5 Rc2-+) 37...Ke7 38.Ke5 (38.Ra1 Rc2 39.Bd1 Rc4 40.Ke3 b4-+) 38...Rc2 39.Ra1 (39.Bb5 Nb5 40.g4-+) 39...Re2 40.Ra3 0–1. Thee,Bernd – Mirza,Diana, Chess Championships, 2016. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.a3 Nf6 5.e5 Nd5 6.ab4 Bb4 7.c3 Be7 8.d4 d6)

    10.0-0 de5 11.Ne5 Nc6 12.Nd7 Qd7 13.Qg4+=.

    10.c4 Nb4 11.ed6 Bd6=.

    3.a3 Nf6

    4.Bc4 Ne4-/+ 5.Bf7 Kf7 6.Qh5 g6 7.Qd5 e6 (7...Ke8 8.Qe4 Bg7 9.Ra2-/+) 8.Qe4 Bg7 (8...Qf6 9.d4-/+) 9.d4 d5 (9...Nc6 10.Nf3-/+) 10.Qf4 Qf6 11.Qc7 (11.ab4 Qf4 12.Bf4 Bd4-/+) 11...Qe7 12.Qe7 (12.Qf4 Ke8 13.Nf3 Nc6-/+) 12...Ke7 13.Nf3 (13.Bg5 Kd7 14.Nf3 ba3-/+) 13...Nc6 14.Bb2 (14.Bg5 Kd7 15.ab4 Nb4-/+) 14...Kf7 15.0-0 Re8 16.Re1 Bd7 17.Nbd2 a5 18.c4 b6 19.cd5 ed5-+ 20.Ne5 Be5 21.de5 h6 22.a4 Rac8 23.f4 Nd8 24.Bd4 Rc2 25.Nf1 Ne6-+ 26.Bb6 d4 27.Bd4 Nd4 28.Ne3 Re2 29.Nc4 Rb8 30.Red1-/+ Bc6 31.Rd4 Rg2 32.Kf1 Rh2 33.Rad1? Bf3?? 34.Rd7=+ Ke6 35.R7d6 Ke7-/+ 36.Rg6?? Be4 37.Rg7= Kf8 38.Rg3 Rh1=+ (38...Rh1 39.Ke2 Rd1 40.Kd1 b3=+). Reinke,Markus (2295) – Huebner,Wolfgang, NRW–Liga I, 1994.

    4.d3 e5 5.Nf3 Nc6 6.Bb2 Qc7 7.Be2 Be7 8.ab4 Bb4 9.c3 Be7 10.Nbd2 0-0 11.0-0 d5 12.ed5 Nd5 13.Ne4 h6 14.d4 Nf4 15.Bb5 Bg4 16.d5 Rfd8 17.c4 Nd4! 18.Bd4 ed4 19.Qd4?? Ne2 (19...Ne2 20.Kh1 Nd4 21.Nd4 Qe5-+) 0–1. Fatourou,Eleni – Makropoulou,Marina (2265), GRE–ch (Women), 1991. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    4.e5 Qa5 5.Bb2 Nd5 6.Bc4 Nc6 7.Nf3 Nb6 8.ab4 Qb4 9.Bb3 Qe4 10.Kf1 Nc4 11.Nc3 Nb2 12.Qb1 Qb4 13.Nd5 Qc5 14.Qb2 Na5 15.Qc3 Nb3 16.Qc5 Nc5 17.Nc7 Kd8 18.Na8 Na6 19.Nd4 (better is 19.Ng5!? Rg8 20.Nf7 Ke8 21.e6 de6 22.Ne5+/-) 19...d6+= 20.ed6 ed6 21.Nb5 d5 (21...Bf5 22.Na7 Bc2 23.d4=) 22.d4 Bb4 23.Na7 Bc3 24.Ra3 Bd4 25.Ra6! (25.Nc8?! Kc8 26.Rb3 Kd7=) 25...ba6 26.Nc6 Kd7 27.Nd4 Kd6 28.Nb6 Kc5 29.Nc8 Kd4 30.Nd6 g6 (30...Rb8 31.g4 Rb1 32.Kg2 Rh1 33.Kh1 Kc3=) 31.Ke2+- Rd8? (better is 31...Rb8 32.Ra1 Rb2+-) 32.Rd1 Kc3 33.Rd5 Kc2 34.Rc5 Kb3 35.Nf7 Re8 36.Re5 Rc8 37.Nd6 Rc2 38.Kf3 Ra2 (38...Rc6 39.Ne4+-) 39.Re3 Kb4 40.Re7 Ra3 41.Kf4 Ra2 42.Rb7 Kc5 (42...Ka5 43.Ne4 h6 44.Rh7+-) 43.Ne4 Kd4 44.Rd7 Kc4 45.Rh7 a5 46.Rg7 a4 47.Rg6 a3 48.Ra6 Ra1 49.g4 a2 50.g5 Kb3 51.g6 Rg1 52.Ng5 a1Q 53.Ra1 Ra1 54.g7 Ra8 55.Ne6 Rg8 56.Ke5 Re8 57.f4 Kc4 58.f5 Kd3 59.f6 Ke3 60.f7 (60.f7 Ra8 61.f8Q Ra5 62.Nc5 Ra6 63.Qf4 Ke2 64.g8Q Re6 65.Qe6 Kd1 66.Qd5 Ke2 67.Qdd2) 1–0. Stabolewski,Andreas (2260) – Osmanodja,Filiz (2035), Dresden ZMD op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    4.e5 Qa5 5.Bb2 Nd5 6.Nf3 e6 7.Nd4 a6 8.Nb3 Qc7 9.d4 Nc3 10.Bc3 bc3 11.Qd3 b5 12.Be2 Bb7 13.0-0 b4 14.ab4 Bb4 15.Na3 0-0 16.f4 f5 17.Bf3 Bf3 18.Rf3 Nc6 19.Nc4 a5-/+ 20.d5 Ne7 21.d6 Qa7 22.Kh1 Nd5 23.Nca5 Qb6 24.Nc4 Ra1 25.Na1 Qa6 26.Nb3 Rc8-+ 27.Nca5 Qd3 28.Rd3 Ba5 29.Na5 Ra8 30.Nb3 Ra2 31.g3 Rc2 32.Rd5? Rb2?? 33.Rc5 Rb3= 34.Kg2 Rb2 35.Kh3?? c2-/+ 36.Rc8 Kf7 37.Rc7 Kg6 38.Rc3 h5 39.Rc4 Kh6 40.Rc7 g5-+ 41.fg5 Kg5 42.Rc4 Ra2 43.Rc8 f4 44.Rc3 f3! 45.Rc4 f2 46.Kg2 f1Q! (46...f1Q 47.Kf1 Ra1 48.Ke2 c1Q 49.Rc1 Rc1-+) 0–1. Tihlarik,Karol – Lugo Sanchez,Maximo, Bratislava Slovan op, 1991. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    4.e5 Qa5 5.Nf3 Ne4 6.Bd3 Ng5 7.Bb2 Nf3 8.Qf3 Nc6 9.Qe2 e6 10.0-0 h5 11.ab4= Qb4 12.Bc3 Qg4 13.Qe3 d5 14.ed6 Bd6=+ 15.h3 Qf4 16.Qf4 Bf4 17.Bg7 Rg8 18.Bf6 Be5 19.Be5=+ Ne5 20.Be4 f5=+ ½–½. Kuna,Heiko (2360) – Vega Palma,Manuel (2415), remoteschach.de, 2010.

    4.e5 Qa5 5.Nf3 Ne4 6.Qe2 Nc5 7.d4 b3 8.c3 Na4 9.Qc4 Nc6 10.Qb3 Nb6 11.Bd2 Qd5 12.Qd5 Nd5 13.c4 Nc7 14.d5 Nd8 15.Be2 g6 16.0-0 Bg7 17.Nc3 b6 18.Ne4 Ba6 19.d6 ed6 20.Nd6 Kf8 21.Bb4 Kg8 22.Rad1 Nc6 23.Nf7! Nb4 24.ab4 Kf7 25.Rd7 Ke6 26.Rc7 Be5 27.Ne5 Ke5 28.b5 Bc8 29.Bf3 Rb8 30.Ra7 Be6 31.Re1 Kf6 32.Rc7 Rhc8 33.Re6! (33.Re6 Ke6 34.Bg4 Ke5 35.Bc8+-; 33.Rh7?! Rc4 34.Bc6 Rd4+-) 1–0. Haub,Thorsten Michael (2310) – Windhausen,Georg (2205), NRW–ch Bad Godesberg, 1991. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    4.e5 Nd5

    5.ab4 Qc7 6.Nf3 Nb4 7.c3 N4c6 8.d4 e6 (8...d5 9.ed6 ed6 10.d5=) 9.Bd3 (9.Na3 d5=) 9...d6=+ 10.0-0 (10.Bf4!?=+) 10...de5-/+ 11.Na3 ed4 12.Nb5 Qd8 (12...Qe7 13.Bf4 e5 14.Ne5 Ne5 15.Be5 Qe5 16.Re1+-) 13.Bf4+/- Na6 14.Ra6! ba6 15.Nc7 Kd7 (15...Ke7 16.Na8 dc3 17.Qb1+/-) 16.Na8 Bb7 17.Nc7 Bd6 18.Bd6 Kd6 19.Na6 Qa5 (19...dc3 20.Qb3 Ba6 21.Qa3 Kd7 22.Qa6 Qb6+-) 20.Nb4+- Nb4 21.cb4 Qb4 22.Ng5 Ke7 (22...Rf8 23.Qh5 f6 24.Ne6+-) 23.Qh5 (23.Nh7?! Qc3+-; 23.Bh7?! g6+/-) 23...g6 24.Qh4 f6 (24...Qa5 25.Rb1 Bc6 26.Rc1+-) 25.Rb1 Rc8 (25...Qb1 26.Bb1 fg5 27.Qg5 Kd7+-) 26.Rb4 Rc1 27.Bf1 Ba6 28.Qh7 Kd6 29.Rd4 Ke5 (29...Kc6 30.Qd7 Kb6 31.Rd6 Kc5 32.Qc7 Kb4 33.Qb8 Bb7 34.Qb7 Kc3 35.Ne4 Kc2 36.Rd2) 30.Nf3 (30.Nf3 Kf5 31.Qh3) 1-0. Kogan,Ar (2505) - Diaz Reyes,Killian (1750), San Cristobal de La Laguna ESP, 2019. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    5.ab4 Qc7 6.Nf3 Nc6 7.d4 Ncb4 8.c4 Nb6 9.Qb3 e6 10.Nc3 Nc6 11.Nb5 Qb8 12.Ba3 Be7 13.Nd6 Kf8 14.Bc5 f6 15.Qe3 Nd8?? (better is 15...Qc7+/-) 16.ef6+- (16.Nc8?! Nc8 17.Be7 Ne7 18.ef6 gf6+=) 16...Bd6 (16...Bf6 17.Nc8 Kg8 18.Nd6+- (18.Bb6?! ab6 19.Ra8 Qa8+-)) 17.fg7 (better is 17.Qe5! Ke8 18.Bd6+-) 17...Kg7+/- 18.Qg5 Kf8 19.Qd8 (19.Qd8 Kg7 20.Qg5 Kf8 21.Qf6 Ke8 22.Qh8 Ke7 23.Bd6 Qd6 24.c5+-) 1–0. Kuerner,Rainer (1880) – Ledbetter,Ralf (1925), Ludwigshafen–ch, 1998. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.ab4 e6 6.b5 d6 7.Bb2 de5 8.Be5 Nd7 9.Bb2 N7f6 (9...Qh4 10.Nc3 Bc5 11.g3=) 10.Nf3= Be7 (10...Bd6 11.c4 Nb4 12.Be2=) 11.c4+= Nf4 (11...Nb4 12.d4+=) 12.d4 0-0 13.g3 Ng6 14.Bg2 Bb4 (14...Qc7 15.Qe2+=) 15.Nbd2 (15.Nc3 Bd7 16.0-0 Qb6+-) 15...e5 16.0-0 e4 (16...ed4 17.Nd4 Ne5 18.N2f3+/-) 17.Ng5+/- Bg4 (17...e3 18.Nde4 Ng4 19.f3+/-) 18.Qc2 Be2 19.Nge4 Ne4 20.Ne4 (20.Qe4?! Re8 (20...Bf1? 21.Nf1 Rc8 22.Qd3+-) 21.Qc2 Bd2 22.Qd2 Bc4+=) 20...Bf1 21.Rf1 a6 22.Qb3 Ba5 (22...Be7 23.c5 ab5 24.f4+/-) 23.c5 ab5 24.Nd6 Bc7 25.Nb7 (25.Nb5 Qc8+-) 25...Qd7 (25...Qe7 26.Qb5 h5 27.d5+-) 26.d5 Be5 27.c6 Qc7? (better is 27...Qf5+-) 28.Ba3 Rfc8 (28...b4 29.Qb4 Qc8+-) 29.d6 Qb6 (29...Bd6 30.Bd6 Qb6 31.Bc5+-) 30.Bc5 Qa6 31.Qd5 (31.Qd5 Rcb8 32.d7+-) 1–0. Zherebukh,Yaroslav (2615) – Saez Coma,Alejandro (2095), Montcada ESP, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 Nf6 4.e5+= Nd5)

    5.ab4 e6 6.b5= d6 7.c4 Nb4 8.ed6 Qd6 9.Nf3 Nd3 (9...e5 10.Nc3 Bf5 11.Ba3 Nc2 12.Qc2 Bc2 13.Bd6 Bd6 14.d3=) 10.Bd3 Qd3 11.Qe2 Qe2 12.Ke2 f6 13.d4 Nd7 14.Bf4 b6 15.Nc3 a5 16.ba6 Ba6 17.Nb5 Kf7 18.Kd3 g5 (18...Bb7 19.Ra8 Ba8 20.Ra1 Bf3 21.gf3+/-) 19.Bg3 (19.Bg5 Rg8 20.Bh4 Rg2+/-) 19...h5 20.h3 Bb7 21.Ra8 Ba8 22.Ra1 Be7 23.Ra7 Rd8 (23...Bc6!?+=) 24.Bc7+/- Rc8 25.Bd6 (better is 25.Bb6!? Bc6 26.Bc7+-) 25...Bc6+= 26.Rc7 Rc7 27.Bc7 Bb4 28.Nc3 g4 29.hg4 hg4 30.Ne1 f5 31.g3 Nf6 32.Bb6 Ne4 33.Ne4 Be4 34.Ke2 Be1 35.Ke1 Bd3 36.c5 Be4 37.Kd2 Ke7 38.Ke3 Kd7 39.Kf4 Kc6 40.Ke5 Bd5 ½–½. Du Plessis,Heinco (2075) – Sodikov,Ilyas (2230), Athens GRE, World Youth Ch U20 (b), 2012. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.ab4 e6 6.b5 d6 7.Nf3 de5 8.Ne5 Nd7 9.Bb2 Ne5 10.Be5 Qg5 11.Bb2 Bd6 12.h4 Qg6 13.Na3 0-0 14.h5 Qg5 15.h6 g6 16.Nc4 Be7 17.Qf3 Rd8 18.g3 Bd7 19.Ne5 Be8 20.Be2 (20.Qg4 Nb4 21.Qg5 Bg5=) 20...Bf6 (better 20...Nb4!? 21.0-0 Nc2=+) 21.d4 Be5 22.de5 Nc7 23.Rh4 (23.Qb3 Qd2 24.Kf1 a6+=) 23...Nb5 (23...Bb5!? 24.Bb5 Nb5 25.Qb7 Rab8=) 24.Qb3 a6 25.c4 Na7 26.f4 (26.Qb7? Qd2 27.Kf1 Bc6-+) 26...Qf5 27.Qe3 Nc6 28.Bc3 Qc2 29.Rc1 Qb3 30.f5 (30.Bd2!? Qa2 31.Bc3=+) 30...ef5 (30...gf5 31.Qg5 Kf8 32.g4 fg4 33.Rg4+-) 31.Qg5 Bd7?? (better 31...Qa3-/+) 32.Qf6+- ½-½. juliangon – marekt, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    5.ab4 e6 6.Nf3 d6 7.Bc4 (7.b5!?=) 7...de5+= 8.Ne5 Qc7 9.Bb2 Nd7 10.Qe2 (10.Bd5 Ne5 11.Qe2=) 10...N5f6 (better is 10...Nf4 11.Qe4 Ng2 12.Kd1 f5 (worse is 12...Bb4 13.Nd3+/-) 13.Qg2 Ne5 14.Bb5 Kf7-/+) 11.Nf7!+/- Kf7 12.Qe6 Kg6 13.Ra3 (13.Ra3 Qf4 14.Rf3 Qe4 15.Qe4 Ne4 16.Bd3+/-) 1–0. Caprone – Cording, 1976. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Bc4 Nb6 6.Bb3 Nc6 7.Bb2 (7.ab4 Nb4 8.Qf3 Nc4+=) 7...e6 Secures d5 8.f4 d5 9.Nf3 (better is 9.ab4!? and White is still in the game 9...Bb4 10.Nf3=) 9...Nc4-/+ 10.Bc4 dc4 11.ab4 Bb4 (11...Nb4 12.Na3 Nd5 13.Nc4 Nf4 14.0-0-/+) 12.Nc3 (12.Bc3 Bc5-/+) 12...Bc3 (12...Bc5 13.Qe2+=) 13.Bc3 b5 (13...b6 14.Qe2 b5 15.0-0-/+) 14.0-0 (14.Ng5 h5-/+) 14...Bb7 (14...a5 15.Qe1-/+) 15.Ng5 (15.Qe2 a5-/+) 15...0-0 (15...b4 16.Qh5=) 16.Qh5 h6= 17.Nf3? b4 18.Bb2? a5 19.Rad1 Qb6 20.Kh1? Rad8 21.Nh4? Nd4 22.f5?! Nf5 23.Rf5 ef5 24.Nf5 c3! 25.Bc1 Qf2 26.Qg4 Bg2! 27.Qg2 Qf5 28.d4 Qe5! 29.Bh6 Rd4 30.Rg1 g6 31.Bf8 Kf8 32.Rf1 Qd5 33.h3 Qg2 34.Kg2 Rd2 35.Rf2 b3! 36.cb3 Rf2 37.Kf2 0–1. Nasikan,Nikolai – Bakalinsky,Boris, Kurass Memorial op, 2002. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Bc4 Nb6 6.Bb3 d6 7.Nf3 Nc6 8.Bb2 d5 9.h3 Bf5 10.0-0 e6-/+ 11.g4 Bg6 12.ab4 Bb4 13.Nc3 Be7 14.Nb5 0-0 15.Qe2 Be4 16.Nh2 a5 17.d3-/+ Bg6 18.f4 a4 19.Ba2 Nd7 20.Kg2 Qb6 21.c4 dc4 22.Bc4-/+ Ra5 23.Na3 Nd4-+ 24.Bd4 Qd4 25.Nb5 Qc5 26.f5-/+ Ne5 27.fg6 Ng6 28.Rab1 a3 29.Nc3 Qc7 30.Qe4 Re5 31.Qb7= Qa5 32.Ne4 Qd8 33.Qb6 Qa8 34.Nf3+= Ra5 35.Qb7 Qd8 36.Nfd2 Ra8 37.Qb3 Qc7 38.Qb7 Qe5 39.Qb5 Qc7 40.Qb6= Qe5 41.Rb5 Nf4 42.Kh1+= Nd5 43.Bd5 ed5= 44.Nb3?? Rab8-+ 45.Qc6 Rb5 46.Qb5 Rb8 47.Qb8 Qb8 48.Ned2 Bb4 0–1. Calota,A (2095) – Jicman,L (2270), ch–ROM (women), 1999.

    5.Bc4 Nb6 6.Bb3 e6 7.ab4 Qg5 8.Nf3 Qg2 9.Rg1 Qh3 10.Nc3 h6 11.b5 (11.Nb5!? Na6 12.Bb2 Bb4 13.Rg7+=) 11...d6 12.ed6 N8d7 13.Ba3 Nf6 14.Qe2 Bd7 15.Ne4 Qf5 16.Nf6 Qf6 17.Ne5 Nc8 18.Rg3 Nd6 (18...Bd6 19.Bb2 Rf8 20.Bc3+/-) 19.Bb2 (19.Rf3!? Nf5 20.Bb2=) 19...Bb5-/+ (19...Nb5 20.Ba4 Bc5 21.Rb1+- (worse is 21.Bb5 Qf2 22.Qf2 Bf2 23.Kf2 Bb5 24.Rg7 Bc6+-)) 20.Qe3 a6 21.Qb6 Qd8 22.Qd4 Nf5 23.Qf4 Bd6 24.Rg7 Qc7 25.Be6? Ng7-+ 26.Bf7 Kd8 27.Qf6 Qe7 28.Qg7 Rf8 29.0-0-0 Be5 30.Be5 Qf7 31.Qh6 Bc6 32.Rg1 Re8?? 33.Rg7= Qe6?? 34.Qh4 Kc8 35.Rc7 Kb8 36.Re7 Qe5?! 37.Re5 Re5 38.Qf4 1–0. Bach,Mat (2300) – Richter,Gera (2115), Sparkassen Open A, Dortmund GER, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Bc4 Qc7 6.Qe2 Nb6 7.Bb3 a5 8.c3 (8.a4 Nc6 9.Bb2 e6+=) 8...a4-/+ 9.Bd1 b3 10.d3 e6 11.Nf3 Nc6 12.0-0 Be7 13.Nbd2 d5 14.Re1 Bd7 15.Bb2 f5 16.Nf1 0-0 17.Bc1 Nd8 18.Qb2 Nf7 (18...Rc8 19.Bd2-/+) 19.Bd2 Bc5 20.Rc1 Bc6 21.Ng3 Qe7 22.Ra1 Rfc8 23.Be2 Nd7 24.d4 Bb6 25.Rac1 Ba5 26.Nh5 Nb6 27.h4 (27.Be3!?-/+) 27...Be8 28.Nf4 Nc4 29.Bc4 Rc4 (29...dc4?! 30.d5 ed5 31.e6-/+) 30.Re3 Kh8 31.Be1 Rac8 32.Nd2 R4c6 33.Rh3 b5 34.Nb1 b4! 35.Bd2 ba3 36.Na3 R6c7 37.Kh2 Nh6 38.f3 Ng4 39.fg4+= fg4 40.Re3 Qh4 41.Kg1 Rf7 42.Be1 Qh6 43.g3 g5 44.Nd3 Rf3 45.Qe2 Bg6 46.Nc5 Rcf8 47.Rf3+= gf3 48.Qf2 Bf5 49.Bd2 Bh3+= 50.g4?? Bg4 51.Be3 b2 52.Rc2? Rb8 53.Rb2= Qf8?? 54.Bg5+- Rb2 55.Qb2 f2? 56.Qf2 Qf2 57.Kf2 Bc3 58.Be3?? Bb2+= 59.Nc2 Bd1?? 60.Na4+- Bd4 61.Nd4 Ba4 62.Ne6 Bc2 63.Kg3 Kg8 64.Kf4 Kf7 65.Nc7 Be4 66.Bc5 1–0. Selva Salvador – Lopez del Barrio, Burjasot Absoluto op, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 Nf6 4.e5 Nd5)

    5.Bc4 Qc7 6.Qe2 Nb6 7.Bb3 Nc6 8.Bb2 e6 9.Nf3 Na5 (9...d5 10.0-0-/+) 10.0-0 Nbc4 11.Bd4 Na3 (worse 11...ba3 12.d3 Nb3 13.cb3=) 12.Na3 ba3 13.Ng5 Be7 14.f4 Bc5 (14...Nc6 15.Be3 Bg5 16.fg5 Qe5 17.Qf2-/+) 15.Bc5 Qc5 16.Kh1 0-0 (better 16...Nb3!? 17.cb3 d5=+) 17.Qd3+= g6 18.Qh3 (18.Ne4!? Qe7 19.Ba4=) 18...h5= 19.Ne4 Qe7 (19...Qb4 20.Nd6=) 20.Nf6 (20.Qd3 b6=) 20...Kg7= 21.Qh4 Qb4?? (better 21...Nc6=) 22.Nh5!+- gh5 23.Qg5 Kh7 24.Qh5 Kg7 25.Qg5 (25.Qg5 Kh8 26.Rf3+-) 1–0. Bortnik,Alexandr (2315) – Vorobiov,Ivan (2045), Kiev Cup–Independence Cup, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Bc4 Qc7 6.Qe2 Nf4 7.Qe4 Ng2 8.Kf1 -/+.

    5.Bc4 e6 6.Nf3 Qc7 7.Bd5 ed5 8.d4 Qc4 9.ab4 Bb4 10.Bd2 Nc6 11.c3 Be7 12.Bg5 0-0 13.Be7 Ne7 14.Nfd2 Qd3 15.Qe2 Qg6 16.0-0 a5 17.f4 b6 18.Qf3 Ba6 19.Rf2 f5 20.Na3 Rac8 21.Rb1 Rc7 22.Nb5 Bb5 23.Rb5 Rfc8 24.Nb1 Rc4 25.Rfb2 R8c6 26.R2b3 Qe6 27.Ra3 d6 28.Nd2+/- de5 29.Nc4 e4+= 30.Qe3 Rc4 31.Rab3 Nc8 32.Kf2 Qc6 33.Qh3 g6 34.g4? a4-+ 35.Rb2 Rc3 36.Qh4 Rc2 37.Rc2 Qc2 38.Ke1 Qc1 39.Kf2 Qf4 40.Ke1 Qe3 41.Kf1 Qd3 42.Ke1 Qb5 43.gf5 Qe8 44.f6 Nd6 45.Qg5 Nf5 46.h4 h6 47.Qf4 e3 48.h5 Qf8 49.Qe5 Qf7 50.hg6 Qg6 51.Qd5 Kf8 52.Qd8 Qe8 53.Qb6 Qd7 54.Ke2 Qd4 55.Qe6 Qd2 (55...Qd2 56.Kf3 Nd4 57.Kg4 Ne6 58.Kh5 Qg2 59.Kh4 Nf4 60.f7 Qg5) 0–1. Anderson,George – Kohalmi,Andy (1620), Winnipeg Gr–D GP final, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.d4 d6 6.f4 g6 7.Bd2 Nc6 8.Nf3 Bg7 9.ab4 Bf5 (worse is 9...Ncb4 10.c4+/-) 10.Bb5 0-0 11.Bc6 bc6 12.0-0 Qb6 13.Ra4 Rfc8 14.c4 Nc7 15.Kh1 Bd3 16.c5 dc5 17.dc5 Qb5 18.Nc3 Qb7 19.Nd4? (better is 19.Rf2!?=) 19...Bf1-/+ 20.Qf1 Rd8 21.Qc4 Nd5 22.Ne4 a5! 23.Nc6? (23.Ra5 Ra5 Combination; 23.ba5 Qb1 Double attack) 23...Qc6 24.b5 Qd7 25.c6 Qg4 26.h3 (26.Qf1-+) 26...Qd1 27.Kh2 Nb6 28.Qc5 Qa4 29.Qb6 (29.Nc3 Qb3 30.Be1 Nc8-+) 29...Rd2 30.Qe3 Rc2 31.Nc3 Rc3! (31...Rc3 32.Qc3 Qf4 33.Qg3 Qe4-+) 0–1. Kopkan,Pavel (2025) – Nemec,Miloslav (2075), Brno Trade op–A, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Nf3 d6 6.ab4 Nb4 7.Bb5 Bd7 8.Bd7 Qd7 9.Ba3 -/+.

    5.Nf3 d6 6.Bb5 Bd7 7.Bc4 e6 8.Bd5 ed5 9.0-0 de5 10.Ne5 Be7 11.Nd7 Qd7 12.ab4 0-0 13.c3= d4 14.Na3 Nc6 15.Bb2 Rfe8=+ 16.b5 Ne5 17.cd4 Ba3 18.Ra3 Nc4 19.Rb3 Nb2 20.Qc2 Qd4 21.Qb2 Qb6 22.Rb1 Re6 23.Re3 Rd8 24.Re6 Qe6 25.h3 h6 26.Ra1 Rd7 27.d4 (< 27.Ra7 Qe1 28.Kh2 Rd2 (< 28...Qf2 29.Ra8 Kh7 30.Qc2 f5 31.Qc4=) 29.Ra8 Kh7-/+) ½–½. Kuna,Heiko (2360) – Nogler,Schimun (2420), remoteschach.de, 2010.

    5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.Na3 0-0 9.Nb5 Nc6 10.d4 a6 11.Bd3 h6 12.Qc2 b6 13.0-0 Bb7 14.Nd6 Bd6 15.ed6 b5 16.Qd2 f6 17.Ba3 Na5 18.Rfb1 ½–½. Kuna,Heiko (2420) – Hahner,Anton (2375), RSX – 4–Jahreszeiten: Herbst, 2010.

    5.Nf3 e6 6.ab4 Bb4 7.c3 Be7 8.d4 0-0 9.Bd3 f5 10.ef6 Nf6 11.0-0 b6 12.Nbd2 Bb7 13.Ba3 Nc6 14.Nc4 Ba3 15.Ra3 Qc7 16.Qa1 a6 17.Qb1 b5 18.Nce5 d6 19.Nc6 Qc6 20.Qa2 Rfe8 21.Re1 Qc8 22.Ng5 Bd5 23.Qc2 h6 24.Nh3 e5 25.Bg6 Re7 26.Nf4 Bc4 27.Bf5 Qc6 28.Ng6 Ree8 29.de5 de5 30.Re5?? Re5 31.Ne5 Re8 32.Nf3 Re2 33.Qd1 Qc5 34.Nd4 Re5 35.Ra6-/+ Rf5 36.Ra8 Kf7 37.Nf5 Qf5 38.Ra7 Kg6 39.h3 Qd3 40.Qe1 Qe2 41.Qc1 Nd5 42.Qb1 Qd3 43.Qe1 Qc3?? 44.Qe6?? Nf6+= 45.Qe7 Nd5?? 46.Ra6?? Nf6= 47.Qe4 Kf7 48.Ra7 Kg8 49.Ra8 Kf7 50.Ra7 ½–½. Fitzpatrick,A (2020) – Voon,R (1900), Oceania Zonal, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Nf3 g6 6.ab4 Nb4 7.Bb5 Bg7 =+.

    5.Nf3 g6 6.Bc4 Nb6 7.Bb3 Bg7 8.ab4 Nc6 9.d4 Nb4 10.Bg5 0-0 11.Qd2 a5 12.c3 N4d5 13.Bh6 d6 14.Bg7 Kg7 15.Qg5 f6 16.Qg3 Bf5 17.Nbd2 a4 (17...Nc3?! 18.Nh4 fe5 19.Qc3 ed4 20.Qd4 e5 21.Nf5 Rf5 22.Qb2=) 18.Bd1? (18.Bd5 Nd5 19.c4 Nb4 20.ef6 ef6-/+) 18...Nc3 (better is 18...fe5!? 19.de5 Nc3-+) 19.Nh4-/+ Nd1 20.Nf5 Kh8 21.Nh6 Nb2 22.Qc3 N2c4! 23.e6 (23.Nc4 Rc8) 23...Qc8 24.0-0 Nd2 25.Qd2 Qe6 26.Rfe1 Qd7 27.Re4 Nd5 28.Rae1 a3 29.Qa2 (29.R4e2-+) 29...Nc3 30.Nf7 (30.Qe6 Qb5 31.Rh4 a2 32.Nf7 Kg7-+) 30...Rf7! 31.Qf7 Ne4 (31...Ne4 32.Qb3 Qc6-+) 0–1. Buergi,Oswald – Groh,Jiri (2110), Rail, 1996. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    5.Nf3 g6 6.Ng5 f6=+ 7.Qf3 e6 8.Ne4 fe5-/+ 9.d4 Nc6 10.de5 Ne5 11.Qg3 Nf7 12.Bb2-/+ Rg8 13.Bc4 Bg7 14.Bg7= Rg7 15.0-0 Nb6-/+ 16.Nbd2 d5 17.Bb5 Kf8 18.Nc5 ba3 19.Rfe1 Qd6 20.Qa3-/+ e5 21.Nf3 Kg8-+ 22.Qc3 Bf5 23.Nb7-/+ Qe7 24.Na5 Rc8 25.Nc6= Qd6 26.Ra7 d4 27.Qa5 Nd7?? 28.Nfd4!+- Ng5 29.Ra8 Ra8 30.Qa8 Nf8 31.Re5 h6 32.h4 Nf7 33.Bc4 Kh7 34.Re8 Nd7 35.Bf7 Rf7 36.Rh8 Kg7 37.Qg8 Kf6 38.Qd8 Kg7 39.Rg8 Kh7 40.Rh8 Kg7 41.Qg8 Kf6 42.Nf5 Qc6 43.Rh6 Ne5 44.Ne3 Qd6 45.f4 Qd4 46.Qh8 Rg7 47.fe5 Kf7 48.e6! Ke7 49.Kh1 Qa1 50.Kh2 Qe5 51.g3 g5 52.Qg7! (52.Qg7 Qg7 53.Nf5 Kf8 54.Ng7 Kg7 55.hg5 Kg8 56.Rf6 Kh7 57.e7 Kg7 58.c4 Kh7 59.e8Q Kg7 60.Qe7 Kg8 61.Rf8) 1–0. Gietl,Thomas (2205) – Delitzsch,Juergen (2225), Landesliga Nord, 1997.

    5.ab4 Nb4

    6.Ba3 N4c6 7.Nf3=+ g6 8.d4 Bg7 9.Be2 0-0 10.0-0 d6 11.ed6 ed6 12.Nc3 Bg4 (12...a6 13.Ne4 d5 14.Nd6=+) 13.Nb5= Attacking the isolated pawn on d6 13...Re8 14.Bd6 (14.h3 Bf3 15.Bf3 Bf8=) 14...Na6 (better 14...Nd4!? 15.Nfd4 Be2 16.Ne2 Ba1-/+) 15.c3+= Ne7 16.h3 Bd7 17.Ra6 (17.Be5 Nc8+=) 17...ba6 (17...Nd5 18.Ra3 Bb5 19.Bb5 Qd6 20.Qa1+= (worse 20.Be8 Qa3 21.c4 Re8 22.cd5 a6=+)) 18.Nc7+/- Bb5 (18...Nd5 A) 19.Na8?? Nc3 20.Nc7 Nd1 (20...Ne2?! 21.Kh1 Re4 22.Re1-/+; 20...Re2?! 21.Qd3 Bf5 22.Qc3 Qd6 23.Ra1-/+) 21.Bd1 Re4-+; B) 19.Ne8 Nc3 20.Qc2 Be8 21.Qc3 Qd6=+; C) 19.Nd5 Bc6 20.Ne7 Re7 21.Be7 Qe7 22.Ba6+=) 19.Ne8 Qe8 20.Bb5 ab5 21.Re1 Bf6 22.Qe2 Qd7 23.Be7 Re8 24.Bf6 Re2 25.Re2 Qc6 26.Be7 (26.Bg5 a5 27.Bh6 g5 28.Bg5 a4+-) 26...f6 (26...Qc3 27.d5 Qc1 28.Re1 Qc8+-) 27.Bb4 Qb6? (27...a6+-) 28.Re8 Kg7 (28...Kf7 29.Re7 Kg8 30.d5+-) 29.Re7 (29.d5 a5 30.d6 ab4+-) 29...Kg8 30.d5 a5 31.d6 ab4 32.d7 b3 (32...bc3 33.Re8 Kf7+-) 33.Re8 Kf7 34.d8Q (34.d8Q Qd8 35.Rd8+-) 1-0. Savitski,A (2255) - Sarbay,A (2135), Bronstein Memorial, 2020.

    6.Ba3 Qc7 7.Nc3 Qe5 8.Be2 N8c6 9.Nf3 Qf5 10.Bb4 Nb4 11.0-0 a6 12.Nb5 Rb8 13.Nbd4 Qf4 14.c3 Nd5 15.Qb3 e6 16.g3 Qd6 17.Rfb1 Nc7 18.Ng5 b5 19.Bf3 Qb6 20.Bg2 Be7 21.Ngf3 f6 22.d3 d5-+ 23.Re1 Bc5 24.Qa2 b4 25.Rec1?? b3 26.Qb2 e5 27.Ne2 Bf2 28.Kh1 0-0 29.Rf1 Be3 30.Ra4 Qc6 31.Ra5 Bf5 32.Ne1 Qb6 33.Ra1 Be6 34.Ra4 Bc5 35.Rh4 Qa5 36.Nf3 Bf5 0–1. Valverde,Mario (2055) – Paz,Gustavo (2075), CiF, 2007.

    6.Ba3 Nd5 7.Bc4 Nb6 8.Bb3 Nc6 9.d4 Qc7 10.f4 Na5-/+ 11.Ba2 g6 12.c3 Nbc4 13.Qd3 b5 14.Nf3 Ba6 15.0-0 Na3 16.Na3 Qc6 17.Nd2 b4!-/+ 18.Nac4 b3 19.Bb3 Nb3 20.Ra6 Qa6 21.Nd6 ed6 22.Qa6+- Nd2 23.Rd1 Ne4? 24.Qb7 Rd8 25.Qe4 d5 26.Qd5 Bh6 27.Qd6 Bf4 28.Qf6 Be3 29.Kf1 Rg8 30.Ke2 Bh6 31.Rf1 Rf8 32.g4 1–0. Mattern,T – Tschann,Stephan, Kehl AT3, 1989.

    6.Ba3 e6 7.c3+= Nd5 8.Bf8 Kf8 9.Nf3 d6 10.d4 de5 11.Ne5 f6 12.Nf3 Qc7 13.c4 Nb4 14.Qb3 a5 15.Be2 b6 16.Nc3 Bd7 17.0-0 N8a6 18.Nb5 Qf4 19.c5 bc5 20.Ra5 Kf7 (20...Ke7 21.Rfa1=) 21.Bc4 (21.g3 c4 22.Bc4 Qb8+=) 21...Nc7 (21...Nc6 22.Raa1 cd4 23.g3-/+) 22.Nc7 (better is 22.g3!? Ra5 23.gf4 Bb5 24.f5 Bc4 25.Qc4+/-) 22...Ra5+= 23.Be6 Kg6?? (better is 23...Ke7 24.Bd7 Qc7 (24...Kd7? 25.Qf7 Kc8 26.Qg7+-) 25.dc5 Rb8= (worse is 25...Qc5 26.Qe6 Kd8 27.Rd1+/-)) 24.Bd7+- Qc7?? (24...cd4 25.Ne6 Qd6 26.Nh4 Kh6+-) 25.Nh4 Kh6 (25...Kg5 26.Qe3 Qf4 27.Nf3 Kg6 28.Qf4 cd4 29.Nd4+-) 26.Nf5 Kg6 27.Ne7 Kh6 (27...Kg5 28.Qe3 Qf4 29.h4 Kh5 30.Qf4 c4 31.Bg4 Kh4 32.g3) 28.Qh3 Kg5 1–0. Augstein,Joerg – Nauschuetz,Ernst, Torgelow op–A, 1998. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4)

    6.c3 Qc7 7.d4 Nd5 8.c4 Nb4 9.Nc3 N8c6 10.f4?? (better is 10.Nf3 h6 11.Bb2+/-) 10...Nd4!-+ 11.Rb1? (11.Qd4 Nc2) 11...Ndc6 (11...Ndc2 12.Kf2 Qc5 13.Kg3 g5-+) 12.Qa4 e6 13.Nb5 (13.Nf3 Qd8+=) 13...Qb8 14.Nf3 (14.Qd1 h6+=) 14...Bc5 (14...a6 15.Nc3-/+) 15.Ba3 (15.Nc3!?+=) 15...a5-/+ 16.Rd1 (16.Be2 0-0-/+) 16...0-0 17.Bb2 (17.Be2 Ne7 18.Qb3 b6-+) 17...Na6 (17...f6!? 18.Be2-/+) 18.Bd3 Bb4 (18...b6-/+) 19.Ke2 (19.Nd2!?-/+) 19...Nc5 20.Bh7 Kh7 21.Qc2 (21.Ng5!? Kg8 22.Qc2-/+) 21...g6 22.h4 Kg7 23.h5-/+ Rh8?? 24.hg6+- Rh1 25.Rh1 fg6 26.Ng5 Ne7 27.Rh7 Kf8 28.Rf7 Ke8 29.Re7 Ke7 30.Qg6 Na4 31.f5 ef5 32.Qf6 Ke8 33.Nd6 Bd6 34.ed6 Qd6 35.Qd6 Nb2 36.Qe5 Kf8 37.Qf5 Kg7 38.Qe5 Kg6+- 39.Ne4 Ra6 40.Qb2 Re6 41.Kd3 b6 42.Qb5 Bb7 43.Qg5 Kf7 44.Qf4 Ke7 45.Qh4 Ke8 46.Nf6 Kf7 47.Nd5 Bd5 48.cd5 Rg6 49.Qh7 Rg7 50.Qf5 Kg8 51.d6 a4 52.Kc4 a3 53.Kb4 Rg3 54.Qd7 (54.Qd7 a2 55.Qe6 Kg7 56.Qa2+-) 1–0. Frink,Ferenc (2200) – Horvath,Sandor2 (2070), Alfoeld Cup op, 2001. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4)

    6.c3 Qc7 7.f4 Nd5=+ 8.Qf3 Qc6 (8...e6!?-/+) 9.Na3= Nc7 10.Qg3 Qe4 (10...h5 11.Nf3=) 11.Be2 (11.Kf2=) 11...g5 (better 11...Nc6!?=+) 12.fg5+- Nc6 13.Nf3 Bg7 Now all is on e5 (13...Nd5 14.d3 Qa4 15.c4+-) 14.d3 Qf5 (14...Qd5 15.d4+-) 15.d4 Nd5 16.Bd2 Qe4 17.Nh4 (17.Kf2 Qf5+-) 17...d6 (17...Ne5 18.de5 Be5 19.Qd3 Nc3 A) 20.Bc3?! Qd3 (20...Qh4? 21.g3 Qg5 22.Nc4 Bc3 23.Qc3+-) 21.Bd3 Bc3 22.Kf2 Ba1 23.Ra1 a6=; B) 20.Nf3 Qe2 21.Qe2 Ne2 22.Ne5+- (22.Ke2?! Ba1 23.Nb5 Be5 24.Ne5 0-0=)) 18.ed6+- Nd4? (18...Nc3 19.Bc3 Nd4 20.Bd4 Bd4+-) 19.cd4+- Bd4 20.Rd1 (20.Rc1 Be5 21.Qf3 Qf3 (21...Qh4?? 22.g3 Qd4 23.Nb5+-) 22.Bf3 Be6+-) 20...Be5 (20...Be6 21.Nf3 Bc5 22.Nb5+-) 21.Qf3 Qh4 (21...Nc3 22.Nb5 Qe2 23.Qe2 Ne2 24.Nc7 (24.Ke2?! Bd6 25.Nd6 ed6+-) 24...Kd8 25.Na8+- (25.Ke2?! Bg4 26.Nf3 Rc8+-)) 22.g3 Qh3 23.Qd5 Bg3 (23...Bd6 24.Nc4 0-0 25.Nd6 ed6 26.Bc3+- (26.Qd6 Qg2 27.Rf1 Bg4-/+)) 24.hg3 Qg3 25.Kf1 Bh3 26.Rh3! Qh3 27.Qg2 (27.Kf2 Qh2 28.Kf3 Qh3 29.Kf4 Qh2 30.Ke3 Qd6 31.Qd6 ed6+-) 27...Qg2 (27...Qa3 28.d7 (28.Qb7?! Qh3 29.Kf2 Qh2 30.Ke3 0-0 31.de7 Rfe8+-) 28...Kf8 29.Bc1+-) 28.Kg2 ed6 29.Nb5 0-0-0 (29...0-0+-) 30.Bf4 (30.Bf4 Kd7 31.Nd6+-) 1–0. Martinez,Julian (2160) – Nieto,Agustin (2050), Torneo IRT Internacional Feria, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4)

    6.c3 Nd5 7.Nf3 g6 8.Bc4 Nb6 9.Bb3 Bg7 10.h4 h6 11.d4 d6 12.ed6 Qd6 13.Nbd2 Nc6 14.Ne4 Qc7 15.Qe2 Bg4 16.h5 Bh5 17.Rh5 (17.Rh4 Bf3 18.Qf3 f5-/+) 17...gh5-+ 18.Ng3?? (better 18.Qb5-+) 18...Nd4! 19.Nd4 (19.cd4 Qc3 Double attack; 19.Nd4 Qc3 Double attack) 19...Qc3 20.Kf1 (20.Qd2 Qa1 21.Nde2 Rc8-+) 20...Qa1 21.Bf7 Kf7 22.Qe6 Ke8 23.Qg6 Kd8 24.Ne6 Kc8 25.Ne2 Nd5 (better 25...Be5 26.Qf7-+) 26.Ng7 Qa6 (better 26...Qf6 27.Qh5 e6-+) 27.Qf5 e6! 28.Ne6 (28.Qe6 Qe6 Combination; 28.Ne6 Qd6 Decoy) 28...Ne7?? (better 28...Qd6 29.N6f4 Qd7 30.Qd5 Qd5 31.Nd5 Kd7-+) 29.Qe5+- Qc6 (29...Qb6 30.Qh8 Kd7 31.Qa8 Ke6+-) 30.Qh8 Kd7 31.Qa8 Ke6 (31...Qe6 32.Qb7 Ke8 33.Qa7 h4+-) 32.Nd4 (32.Nd4 Kd6 33.Nc6 bc6 34.Ba3 Ke6 35.Qe8+-) 1-0. Golubka,P (2495) - Sliwicki,D (2180), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 Nf6)

    6.Nf3 e6 7.c3 N4c6 8.Bb5 Be7 9.Na3 Qc7 10.Nc4 b6 11.d4 Bb7 12.Be3 a6 13.d5 ab5 14.d6 Qc8 15.Nb6 Ra1 16.Qa1 Qd8 17.de7 Qe7 (17...Ne7 18.Qa5 Qc7 19.Nd4 Qe5 20.Qb5 Qb5 21.Nb5 Bg2 22.Rg1-/+) 18.Qb2 b4 19.Nc4 0-0 20.Nd6? (better is 20.Qb3!?+=) 20...Ne5!-+ 21.Ne5 Qd6 22.cb4 Qd5 (22...Bg2?! 23.Rg1 f6 24.Bc5+=) 23.Nf3 Rc8 24.0-0 Qf5 25.Rc1 Rc1 26.Qc1 Nc6 27.Nd4?? (27.Bc5 Qd3 28.Ne1 Qd5-/+) 27...Qd5 (better is 27...Nd4 28.Bd4 Qg4-+) 28.Nc6-/+ Bc6 29.f3 Kf8 30.Qc2 g6 31.Bh6 Ke7 32.Qc1 Qd4 33.Be3 Qd5 34.Bc5 (better is 34.Bh6!?=) 34...d6-/+ 35.Bf2 Kd7 36.h3 Qb5 37.Qf4 Qf5 38.Qd4 Qb1 39.Kh2 Qa2 40.Bg3 Qd5 41.Qf6 Qf5 42.Qd4 e5 43.Qa7 Ke6 44.Qc7 Bb5 45.Qc8 Ke7 46.Qc7 Qd7 47.Qc1 f5 48.Qg5 Ke6 49.f4 e4 50.Bh4 Qc7 51.Qf6 Kd5 52.Bf2 Kc6 53.Qd4 Bd3 54.Qb2 ½–½. Wirth,Karl Heinz – Dehmel,Stefanie, Mittelfranken–ch NT, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4)

    6.c3 N4c6

    7.d4 e6 8.f4 d5 9.Nf3 Nd7 10.Bd3 a6 11.0-0 Rb8 12.f5 ef5 13.Bf5 Be7 14.e6 fe6 15.Be6 Nb6 16.Bc8 Rc8 17.Ne5 Ne5 18.de5 Nc4 19.Qg4 Rf8 20.Rf8 Kf8 21.Ba3 Na3-+ 22.Na3 Ba3 23.Qe6? Bc5 24.Kh1 Be7 25.Rf1-/+ Ke8 26.Rf7?? Rc6-+ 27.Qf5 g6 28.Qf3 Rc3! 29.Re7 Ke7 30.Qc3 Qb6 31.Qc1 Ke6 32.h3 Ke5 33.Qe1 Kd6 34.Qg3 Kc6 35.Qh4 h5 36.Qf6 Kc7 37.Qf7 Kb8 38.Qd5 Qc6 39.Qd8 Ka7 40.Qd4 Qb6 41.Qd3 a5 42.Kh2 a4 43.Qc4 Qc6 44.Qb4 b6 45.Kg3 Ka6 46.Kh4 Qf6 47.Kg3 b5 48.h4 g5 49.hg5 Qg5 50.Kf2 h4 51.Kg1 h3 52.Qd6 Ka5 53.g3 Qf5 54.Qd1 Qe4 55.Qd2 b4 56.Qd8 Kb5 57.Qd7 Qc6 58.Qh3 Qc5 59.Kh2 Qf2 60.Kh1 Qe1 61.Kh2 Qd2 62.Kh1 b3 63.Qf5 Kb4 64.Qf8 Kc3 65.Qa3 Qd4 66.Qc1 Kb4 67.g4 Qg4 68.Qe1 Kc4 69.Qf1 Kc5 70.Qf8 Kd5 71.Qa8 Ke5 72.Qa5 Kf6 73.Qd8 Kg6 74.Qe8 Kg5 75.Qd8 Kf4 76.Qd2 Kg3 77.Qe1 Kh3 78.Qe3 Kh4 79.Qh6 Qh5 80.Qf4 Kh3 81.Qe3 Kg4 82.Kg1 Qb5 83.Qe4 Kg5 84.Qe7 Kf5 0–1. Slanec,J (1910) – Gaj,Milos (1970), 23rd Jirasek Mem OpA, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4 6.c3 N4c6)

    7.d4 d5

    8.Bd3 a6 9.Qc2 g6 10.h4 Bg7 11.h5 Be6 12.Nf3 Qc8 13.Nbd2 Bf5 14.Bf5 Qf5 15.Qb3 Qd7 16.h6 Bf8 17.Ng5 e6 18.Ba3 Be7 19.Be7 Qe7 20.f4 b5 21.Qc2 Nd7 22.Qd3 0-0 23.0-0 Rfc8 24.Rf3 Nb6 25.Rh3 Na4 26.Nb3 Nd8 27.Qd2 Ra7 28.Nc1 Rac7 29.Na2 Nc6 30.Qe1 Na5 0–1. NN (1710) – Loriguillo,Gregorio (2225), BdF OS–024 remoteschach.de, 2005.

    8.Bd3 Na6 9.Ne2 g6 10.h4 Nc7=+ 11.h5 Rg8 12.Nf4 Bf5 13.Be2 Ne6 14.Qb3 Nf4 15.Bf4 Qd7 16.Nd2 gh5 17.Nf1 Bg6 18.Ng3 0-0-0 19.Nh5 Qe6 20.g3 f6 21.Kf1 fe5 22.de5 Be4=+ 23.Rh4 Bg7 24.Ng7= Rg7 25.Ra4 Bf5 26.Be3 Kb8 27.g4 Qg8 28.Qa2 d4= 29.Qg8 Rdg8 30.cd4 Bc2 31.Ra2 Bb3 32.Ra3 Bd5 33.f4 b5 34.Bb5+/- Rg4 35.Rg4 Rg4+= 36.Rc3 Nb4= 37.f5 Rg8 38.Bd2 a6 39.Be2 Nc6= 40.Rc5 Be4 41.f6 ef6= 42.ef6 Rf8 43.Bf4+= Kb7 44.Be5 Kb6 45.Rc3 a5 46.Kf2 Nb4 47.Kg3 Nd5 48.Rb3 Ka7 49.Bf3 Nf6 50.Bf6 Bc2 51.Rb2 (51.Rb2 Rf6 52.Rc2+-) 1–0. Vetter,Joachim (2540) – Coche,Wilhelm (2475), RSX – 4–Jahreszeiten: Sommer, 2010.

    8.Bd3 b6 9.Ne2 Na5 10.0-0 e6 11.Nd2 Qd7 12.f4 g6 13.g4 Ba6 14.Bc2 Nbc6 15.f5 0-0-0 (15...gf5!? 16.gf5 Rg8 17.Kh1 Rc8-/+) 16.Rf2 Be7 17.Ng3 Rdf8 18.f6 Bd8 19.Ba3 Re8 20.Bb4 Bb5 21.Ba4 Ba4 22.Qa4 Bc7 23.Qb5 Rd8 24.Ba5 Na5 25.Qa6 Kb8 26.Nb3 Qc8 27.Qb5 Qb7 28.Rfa2 Rc8 29.Ne2 Bd8 30.Rb1 Nb3 31.Rb3 Qc6 32.Qa6 Rc7 33.Nc1 Rb7 34.Nd3 Qc4 35.Rba3 Qa6 36.Ra6 Ka8 37.Nb4 Bc7 38.h4 Rc8 39.Kf2 Bb8 40.R2a3 Rbc7 41.Rb6 Rc3 42.Rc3 Rc3 43.Rc6 Rc6 44.Nc6 Bc7 45.Ne7 Bb6?? 46.Ke3+/- a5 47.Nd5 Bd8 48.Nc3 Kb7 49.d5 Kc8? 50.de6+- fe6 51.Kd4?? Kd7 52.Na4 Ke8 53.Nb2 Bb6 54.Ke4 Ba7 55.Kd3 h5 56.gh5 gh5 57.Nc4 a4 58.Nd2 a3-+ 59.Kc3 a2 60.Nb3 Bf2 61.Kb2 Bg3 62.Ka2 Be5 63.Nc5 Kf7 64.Kb3 Bf6 65.Kc4 Bh4 66.Ne6 Bg3 67.Kd5 Kf6 68.Ke4 ½–½. Grabinsky,Vladimir (2310) – Achang,Andrei (2190), St Petersburg White Nights op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4 6.c3 N4c6 7.d4 d5)

    8.Bd3 Bd7 9.Nf3 Qc8 10.Na3? (10.Qb3 e6=) 10...Bf5 (better is 10...Nd4!? 11.c4 Bg4-+) 11.Bf5+= Qf5 12.Nb5 Qc8 13.0-0 e6 14.Ba3 Ba3 15.Ra3 0-0 16.Nd6 Qc7 17.Qb1 b6 18.Ng5 g6 19.h4 h6?? (better is 19...Qe7 20.f4 f6-/+) 20.Ne6 (better is 20.Ndf7 Qf7 21.Nf7 Kf7 22.h5+-) 20...fe6+= 21.Qg6 Qg7 22.Qe6 Kh7 23.Qd5 Rf4 24.Ne8 Qd7 25.Nf6 Rf6 26.Qd7 Nd7 27.ef6 Nf6 28.Re1 Na5 29.Re6 Kg7 30.Ra5 ba5= 31.Ra6 Nd5 32.c4 Nb4 33.Ra5 Nc6 34.Rd5 a5 35.Rd7 Kf8 36.Rd6 a4 37.Rc6 a3 38.Rh6 Ra4 39.g4?? a2-+ 40.Rf6 Ke7 41.g5 a1Q 42.Kg2 Qd4 43.Kg3 Rc4 44.f4 Qg1 45.Kf3 Rc3 46.Ke4 Qg4 47.Rh6-+ Rc4 48.Ke5 Qf4 (48...Qf4 49.Kd5 Qe4) 0–1. Phillips,Patrick (1700) – Ramenaden,Matthew (1780), Canadian op U2000, 2006. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4 6.c3 N4c6 7.d4 d5)

    8.Bd3 g6 9.Ne2 Bf5 10.Bf5 gf5 11.e6 fe6 12.Nf4 Qd7 13.Qh5 Kd8 14.Qf7 Kc8 15.Ne6 Nd8 16.Nd8 Kd8 17.Ra5 b5 18.Nd2 Bh6= 19.0-0 Rf8 20.Qh7 Bd2 21.Bd2 a6 22.Rfa1+/- Kc8 23.Qh6 Rf6 24.Qg7 Re6 25.Qg8 Kb7 26.h4 Rc6+= 27.Qg3 Rc8 28.Qd3 Rc4 29.Qb1+/- Rc6 30.R5a2 Rb6 31.Bf4 Nc6+= 32.Qe1 Nd8 33.Re2 e6 34.Re3 Qh7 35.Bg5 Qf7 36.Qe2 Rc8 37.Re1 a5 38.Qa2 a4 39.Qa3 Qd7 40.Bf4 Nf7+= 41.g3 Re8 42.Rb1 Ka6 43.Re2 Nd6 44.Bd6 Qd6 45.Rb4 Rg8 46.Re5 Rc8 47.Qa1+= Rbc6 48.Qf1+/- Rc4 49.Qe2 R8c6+= 50.Rc4 bc4 51.h5 a3 52.h6+/- Qd7 53.Kg2 Ka7 54.Qh5+= a2 55.Re1+/- Rc8? 56.Ra1 Rh8?? 57.Ra2 Kb8 58.Qd1 Qb5 59.Qc1 Kc7 60.Rb2 Ra8 61.Rb5 (61.Rb5 Ra6 62.Qg5 Kc8 63.Qg8 Kc7 64.Qh7 Kd6 65.Rb7 e5 66.Qg6) 1–0. Zajarni,A (2415) – Chrz,Pavel (2190), Pardubice Czech op, 1998.

    8.Bd3 g6 9.h4 Bf5 10.Bf5 gf5 11.Qh5 Qd7 12.Nf3 Na6 13.Ng5= e6 14.Ba3 Bg7 15.Bd6 h6=+ 16.Nh3 0-0-0 17.Nd2 f6 18.Qe2 fe5 19.de5 Bf8 20.Bf8 Rdf8 21.0-0 f4 22.Rfb1 Nc5 23.Rb5 b6-/+ 24.Rab1 Qe7 25.Nf3-/+ Rhg8 26.Nd4 Nd4 27.cd4-/+ Nd7 28.R5b3 Qg7 29.f3 Nb8 30.Ra1 Kb7 31.Qa2 Nc6 32.Qa6 Ka8 33.Rb2 Nd4 34.Qb6 Nf3 35.Kh1 Ne5 36.Qe6 Rd8 37.Nf4 Rge8 38.Qa6 Qe7 39.Ng6 Qd7 40.Ne5 Re5 41.Qh6 Re6 42.Qg5 Rde8 43.Qd2 Qd8 44.Qf2 R8e7 45.Qc5 Rc7= 46.Qf2 Rf6 47.Qg3 Rc4 48.Rab1 Rb6-/+ 49.Rb6 Qh4 50.Qh4= Rh4 ½–½. Hillenbrand,Michael – Banas,Jan (2395), Schwaebisch Gmuend op, 1990.

    8.Bd3 h5 9.Nf3 Bg4 10.Nbd2 e6 11.h3 Bf3 12.Nf3 Be7 13.h4 Nd7 14.Ng5 Nf8 15.Qe2 Qd7 16.f4 g6 17.0-0 Nh7 18.Be3 Kf8 19.g4 Ng5 20.fg5 Kg7 21.Rf4 Raf8 22.Raf1 a6 23.Qf2 Nd8 24.gh5 Rh5 25.Qg3 Rhh8 26.Be2 Bg5?? 27.hg5 Rh3 ½–½. Feller,J (2195) – Nugel,K (2155), 10th TCh–Euro sen, Dresden GER, 2008.

    7.d4 d6

    8.e6 fe6 (worse 8...Be6 9.d5 Bf5 10.dc6 Nc6 11.Nf3+=) 9.Bd3 g6 (9...Qc7 10.Nh3 g6 11.Ng5=) 10.h4= e5 (10...Qc7!?=) 11.d5+= Bg7 12.dc6 Nc6 13.h5 Bf5 14.h6 Bf6 15.Bf5 gf5 16.Qh5 Kd7 17.Qf5 e6 18.Qc2 Qg8 19.g3 Rc8 20.Be3 Qg4 21.Ne2 (21.Ba7?! Ra8=) 21...a6 22.Nd2 Bg5? (better 22...d5+-) 23.f3 Qf5 (23...Nb4 A) 24.fg4?? Nc2 25.Kd1 Ne3 (25...Na1?! 26.Bg5 Rhg8 27.Ne4-/+; 25...Be3?! 26.Kc2 d5 27.Kd3=+) 26.Kc1 Nc4-+; B) 24.cb4?! Rc2 25.fg4 Be3=; C) 24.Qb3 Nd3 25.Kd1+-) 24.Qf5 ef5 25.Bg5 Ke6 26.Kf2 b5 (26...Rc7 27.Rhe1 Rg8 28.Be3+-) 27.Ra6 b4 (27...Rhg8 28.f4+-) 28.Nc4 bc3 29.Rd1 d5 30.Ne5! Ke5 31.Nf4 d4 32.Rc6! Rc6 33.Be7 d3 34.Rd3 c2 (34...Rd8 35.Rd8 Rc5 36.Rd6 c2 37.Nd3) 35.Rd5 1–0. juliangon (2680) – TheShrink (2085), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4 6.c3 N4c6)

    8.Nf3 Bf5 =+.

    8.f4 de5 9.fe5 e6 10.Bd3 Be7 11.Nf3 Nd7 12.0-0 b6 13.Nbd2 (better 13.Ng5 Bg5 14.Qf3 Nde5 15.de5 Ne5 16.Qa8 Bc1 17.Bb5 Bd7 18.Bd7 Nd7 19.Ra7 Be3 20.Kh1+-) 13...Nde5?? (better 13...Bb7 14.Qe2 Qc7=) 14.Ne5 (14.Be4 Rb8 15.de5 Bc5 16.Kh1 Bb7+-) 14...Ne5 15.Be4 Rb8 16.de5 Qc7 17.Qf3 0-0 18.Qh3 g6 19.Nf3 a5 20.Bg5 (20.Ng5 Bg5 21.Bg5 Qc5 22.Qe3 Qe3 23.Be3 Bb7+-) 20...Ba6 (better 20...Bg5!? 21.Ng5 f6+-) 21.Be7+- Qe7 22.Rf2 Rbc8 23.Nd2 (23.Qh6!? f5 24.ef6 Qf6 25.Rb1 Qc3 26.Rc2+-) 23...Qc5 24.Nf3 Qc3 (24...Qe7 25.Nd4 Qc5+-) 25.Rd1 (25.Re1 f5 26.ef6 Rf6+-) 25...Qe3 26.Re1?? (better 26.g3+=) 26…Rc1-+ (26...Rc1 27.g4 Re1 28.Kg2 Qe4-+) 0–1. Patino,Jose David – Guzman,River, IRT Open de Ajedrez Ciudad de Cartago, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4 6.c3 N4c6)

    8.f4 e6 9.Nf3 Nd7 10.Bd3 Be7 11.0-0 h6 12.Ra2 Nb6 13.Nbd2 d5 14.h3 Bd7=+ 15.Nh2 g6 16.Qc2 Qc7 17.Ba3= h5 18.Nhf3 Ba3 19.Ra3 Ne7 20.Rfa1 a6 21.Rb1 Bc6 22.Qb2 Na4 23.Qa1 b5 24.Bc2 Kf8 25.Ng5 Kg7= 26.Ba4 ba4 27.c4 Rab8 28.c5 Rb1 29.Nb1+= Nf5 30.Nf3 Rb8 31.Nc3 Ne3 32.Qc1 Nc4= 33.Ra2 a3 34.Nd2 Nd2 35.Qd2 Qa5 36.Qe1?? Rb3 37.Rc2-/+ Qb4 38.Kh1 Qd4 39.Ne2?? Qe4 40.Qd2 Rh3 (40...Rh3 41.Kg1 Rd3-+) 0–1. Eckert,Eberhard (2060) – Kishnev,Sergey (2530), Goch op, 1992.

    8.f4 e6 9.Nf3 Be7 10.Bd3 Nd7 11.Qe2 Nb6 12.0-0 Nd5 13.Be4 de5 14.fe5 0-0 15.Bc2 f5 16.ef6 gf6 17.Bh6 Qe8? (better is 17...Rf7=) 18.Bf8+- Bf8 19.Nh4 Qf7 20.Bb3 Bd7 21.Rf3 Re8 22.Nd2 f5 23.Raf1 Be7 24.Bd5 Bh4 25.Bb3 Kh8 26.Qe3 Qg7 27.Nc4 Rg8 28.Qe2 b5 29.Nd6 (better is 29.Ne3!?+/-) 29...Nd4= 30.cd4 Qd4 31.Kh1 Qd6 32.Rd3 Qc6 33.Qb2 Rg7 34.Rc1 Qb7 35.Rc2 Bc6 36.Be6 Bf6?? (36...Be4 37.Rdd2 h6 (37...Bc2? 38.Rc2 b4 39.Rc8 Qc8 40.Bc8+-) 38.Rc8 Kh7=) 37.Qf6+- Bg2 38.Kg1 Be4 (38...Bd5 39.Rg3 Be6+-) 39.Rg3 Bc2 (39...Qb6 40.Rf2 Qf2 41.Kf2 a5 42.Qg7) 40.Qf8 (40.Qf8 Rg8 41.Rg8) 1–0. Pirrot,Dieter (2440) – Schaefer,Michael (2180), Bad Woerishofen op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 Nb4 6.c3 N4c6)

    5.ab4 Nc6

    6.d4 Ndb4 7.c3 Nd5 8.f4 d6 9.Nf3 de5 10.fe5 Bg4 11.Bd3 g6 12.0-0 Bg7 13.Qe1 0-0 14.Qh4 h5 15.h3 Bf3 16.Rf3 Rc8 17.Bd2 b5 18.Qe4 b4 19.Ba6 Rb8 20.Kh1 Qd7 21.Bc4 e6 22.Be1 Rfc8 23.Ba6 Rc7 24.Bg3? b3 25.Bf2 b2 26.Ra3 Bf8 27.Ra2 Qd8 28.Bh4 Be7 29.Be1 Bg5 30.Kg1 Nce7 31.Bf2 Nf5 32.Ra3 Be7 33.Ra4 Bh4 34.Rc4 Qg5 35.Rc7 Nc7 36.Bd3 Qc1 37.Kh2 Bf2 38.Rf2 Nd5 (38...Nd5 39.Qf3 h4-+) 0–1. Ward,Andrew (2155) – Winberg,Peter, WS/M2 ICCF, 2007.

    6.d4 Ndb4 7.Nf3 d6 8.c3 Nd5 9.ed6 ed6 10.Qb3 Nf6 11.Bg5 Be7 12.Bd3 0-0 13.0-0 d5 14.Re1 h6 15.Bf4 Nh5 16.Be3 Re8 17.Ne5 Bg5 18.Bg5 Qg5 19.Qd5 Re6 20.Qe4 Nf6 21.h4 Qh5 22.Qf4 1–0. Adamczyk,Wieslaw (1700) – Brouwer,Mariska Angela (1625), IECG, 2009.

    6.d4 e6 7.c3 Qc7 8.b5 Ne5 9.de5 Nc3 10.Nc3 Qc3 11.Bd2 Qe5 12.Be2 Bc5 13.Nf3 Qf5 14.0-0 d5 15.Qc1 b6 (better is 15...Bb6!?+/-) 16.Be3+- d4? (16...0-0 17.Bc5 bc5 18.Qc5 Qe4+-) 17.Nd4 (17.Bd4?! 0-0+-) 17...Qg6 (17...Qf6 18.Bf3 Rb8 19.Nc6+-) 18.Bf3 (18.Bf3 e5 19.Ba8 ed4 20.Bd4+-) 1–0. Brachtel,Ralph dr – Wendland,Frank, TT/4301 corr BdF, 1994. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    6.Nf3 Ncb4 7.Bc4 e6 8.Ba3 Be7 9.c3 Nc6 10.Bd5 ed5 11.d4 d6 12.Qe2 0-0 13.0-0 de5 14.Ne5 Ne5 15.Qe5 Ba3 16.Na3 Re8 17.Qg3 Bd7 18.Nc2 a5 19.Rfb1 Bf5 20.Rb2 Bc2 21.Rc2 b5 22.Qd3 Qb6 23.Rb2 b4 24.cb4 ab4 25.Rab1 Ra4 26.g3 g6 27.Qd2 Rb8 28.h4 h5 29.Kg2 Kg7 30.Rb3 Qb5 31.Qf4 Re8 32.Rf3 Qd7 33.Qf6 Kg8 34.Qb6 Qe6 35.Rb4 Qb6 36.Rb6 Rd4 37.Rd6 Re6 38.Rd7= f5 39.Ra3 f4?? 40.Ra8 (40.Ra8 Re8 41.Re8) 1–0. Burnham,Frank (1750) – Vachtfeidl,P (2035), London Chess Classic FIDE Open, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5)

    6.Nf3 Ndb4 7.Nc3 +=.

    5.ab4 d6

    6.Bb2 de5 7.Be5 Nc6 8.Nf3 Ndb4 (8...Ne5 9.Ne5 Nc7 10.Qf3+/-) 9.Na3 Bf5 (9...Bg4 10.Bg3-/+) 10.Bc4 (10.Bb5 a6 11.Bc6 Nc6-/+ (worse is 11...bc6 12.0-0=)) 10...e6-/+ 11.0-0 Ne5 12.Ne5 Bd6 13.Bb5 Ke7 14.Nf3 Kf8 (14...a6 15.Be2-/+) 15.c3+= Nd3 (15...Nd5!?+=) 16.Nd4= Qh4 (16...Nc5 17.Nc4=) 17.g3+= Qe4 (17...Qh3 18.Qe2 Ne5 19.f4+/-) 18.f3 (18.Bd3 Qd3 19.Nab5 Bc5+/-) 18...Qd5= 19.Qe2 (better is 19.Bc4!? Qc5 20.Kg2=) 19...Bc5+= 20.Qe3?? (better is 20.Nac2 Nf4 21.gf4 Bc2 22.Kg2 Bd4 23.cd4-/+) 20...e5-+ 21.Rfe1 (21.Nf5 Be3 22.Ne3-+) 21...Ne1 (21...ed4?? 22.Qe8 Re8 23.Re8) 22.Re1 f6 (22...ed4?? 23.Qe8 Re8 24.Re8) 23.Bc4 (23.Nac2 Bc2 24.Ne6 Qe6 25.Qc5 Qe7-+) 23...ed4 24.cd4 (24.Bd5?? de3 25.Re3 Ba3 26.Bb7 Rb8-+) 24...Qd4 25.Qd4 Bd4 26.Kg2 Re8 27.Rc1 (27.Re8 Ke8 28.Nb5-+) 27...Bb2 (27...Bb2 28.Rb1 Bb1 29.Nb1 Ke7-+) 0–1. Prabhugaonkar,Aditee – Mokal,Amruta Sunil (2070), Mapusa IND, 2014. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.b5 de5 7.Bb2 f6 8.Nf3 Bg4 9.h3 Bh5 10.c4 Nf4 11.Nc3 e6 12.g3 Nd3 13.Bd3 Qd3 14.Ne5 Bd1 15.Nd3 Bb3 16.b6 (better is 16.Nc1!? Bc4 17.Ra4+=) 16...Na6-/+ (16...Bc4? 17.Ra7 Bd3 18.Ra8+-) 17.c5 Bc4 (17...Nc5?! 18.Nc1 a6 19.d4=) 18.c6 (better is 18.Nc1!? Bc5 19.Ra4-/+) 18...bc6-+ (18...Bd3?? 19.cb7 Rb8 20.ba7+-) 19.b7 Rb8 20.Nf4 Nc5 (20...Rb7 21.d3 Rb2 22.dc4-+) 21.d4 Nb7 22.Ra7 Bd6 23.Nfe2 0-0 24.0-0 c5 25.Rd1 cd4 26.Nd4 Bc5 27.Ra4 Nd6 28.Ba3 Ba3 29.Ra3 Nf7 30.f4 e5 31.Nf5 Rfd8 32.Rd8 Rd8 33.fe5 Ne5 34.Ra7 Rd7 35.Ra4 Kf7 36.Ne4 Bd3 37.Nfd6 Kg6 38.g4 Nf7 39.Ra3 Be4 40.Ne4 Ng5 41.Ng5 Kg5 42.Kg2 Kh4 43.Rf3 Rd2 44.Kg1 h5 45.gh5 Kh5 46.Kh1 Kg6 47.Kg1 f5 48.Kf1 Kf6 49.Kg1 g5 50.Kf1 Ke5 51.Ra3 Kf4 52.Kg1 Ke4 53.Rg3 Kf4 54.Rb3?? Re2-+ 55.Kf1 Re3 56.Rb4 Kg3 57.h4 g4 58.h5 Re6 59.Rb5 f4 60.Rf5 f3 61.Ra5 Rb6 62.Ra1 Rb2 63.Kg1 Rg2 64.Kh1 Rh2 65.Kg1 f2 (65...f2 66.Kf1 Rh1 67.Ke2 Ra1 68.Kd3 f1Q 69.Kc3 Qf3 70.Kd4 Rd1 71.Kc4 Rc1 72.Kd4 Kf4 73.h6 Qe4) 0–1. Rusan,P (2250) – Balla,Ta (2405), Arad Open A Arad ROU, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.Bb5 Bd7 7.Bc4 Nb6 (7...Nb4!? 8.c3 N4c6 9.ed6 ed6=+) 8.Bb3=+ de5 9.Nf3 Nc6 10.Bb2 e6 11.0-0 Bb4 12.Ne5 Ne5 13.Be5 Qg5 (13...Qh4 14.g3 (14.Bg7? Rg8 15.Be5 Bc6-+) 14...Qh3 15.c3=+) 14.f4= Qg6 15.c3 (15.Rf3 f6 16.Bc3 Qe4=) 15...Bc6=+ 16.Rf2 (16.Rf3 Bf3 17.Qf3 Be7 18.Qb7 Qd3=+) 16...Be7 17.Bc2 f5 18.d4 (18.Qe2 0-0=+) 18...Nc4 (18...0-0-/+) 19.Ba4 (19.Qe2!? Ne5 20.Qe5=+) 19...b5 (19...Ne5 20.fe5 b5 21.Bb3-+) 20.Bb3 Bh4 (20...Ne5 21.fe5 a5 22.c4-+) 21.Rf3? (21.Re2 0-0 22.Bc4 bc4=) 21...0-0 (21...Ne3 22.Qe2 Ng2=+ (22...Bf3 23.Qf3 Qg2 24.Qg2 Ng2 25.Kg2+-)) 22.g3? (better 22.Bc4 bc4 23.Nd2=+) 22...Bf3 (22...Ne5!? 23.de5 Be7 24.Ra6 Bc5 25.Kf1 Bf3 26.Qf3-+) 23.Qf3 Ne5 24.fe5 (24.de5 Bd8 25.Qc6 Bb6 26.Kg2-+) 24...Rfc8 (better 24...f4 25.g4 h5-+) 25.Na3?? (better 25.Ra6 Kh8 26.Be6=) 25...Rab8-+ 26.c4? (26.Nc2 f4! 27.Nb4 fg3 28.hg3 Bg3 29.Be6 Qe6 30.Qg3-+) 26...bc4 27.Nc4 Be7 (27...f4 28.Nd6 Rf8 29.Be6 Qe6 30.gh4-+) 28.Nd6 (28.Ra7 Qg5 29.Kg2 Kf8-+) 28...Rd8 (28...Bd6 29.ed6 Rd8 30.Ra7 Rd6 31.Qe3-+) 29.Ra6? (29.Nf5 Bg5 30.Nd6-/+ (30.Ra7?? Rb3 31.Qb3 Qf5-+)) 29...Rb6?? (better 29...Bd6 30.Rd6 Kh8 31.Re6 Qg4 32.Qg4 fg4-+) 30.Rb6= ab6 31.Qc6?? (better 31.Nf5 Re8 32.Qc6=) 31...Bd6 (better 31...f4 32.Nf5 Kf7 33.Ne7 Qb1 (33...Ke7?! 34.Qb6 Qb1 35.Kg2 Qe4 36.Kh3 Rd4 37.Qe6 Kd8 38.Qb6 Ke8 39.Qe6 Kd8 40.Qb6 Ke7 41.Qe6 Kd8=) 34.Kg2 Qb3-/+ (34...Ke7 35.Qe6 Kf8 36.Qf7)) 32.ed6-/+ Qf6 33.d7?? (better 33.Qb6 Rd7 34.Kg2=+) 33...Qd4-+ 34.Kg2 Qe4 35.Qe4 fe4 36.Be6 Kf8 37.Kf2 (37.Bf5 g6 38.Be4 Ke7-+) 37...Ke7 38.Bf5 (38.Bc4 Kd7 39.Ke3 Kc6 40.Ke4 Kc5-+) 38...Rd7 (38...Rf8 39.g4 g6 40.d8Q Kd8 41.Ke3 gf5 42.gf5 Rf5 43.Ke4-+) 39.Bd7 (39.Bh7 Rd2 40.Ke3 Rh2 41.Be4-+) 39...Kd7 40.Ke3 Ke7 41.Ke4 b5 42.Kd4 (42.Ke5 b4 43.Kd4 Kf6-+) 42...Kf6 43.g4 (43.Kc5 Kg5 44.Kb5-+) 43...Kg5 44.h3 h5 45.gh5 Kh5 46.Kc5 0–1. Galateanu,Calin (1790) – Dobre,Mihai (1905), CN Juniori U16, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.Bb5 Bd7 7.e6 fe6 (7...Bb5 8.Qh5 Qb6 9.ef7 Kd8 10.Qd5=) 8.Bd3 Qb6 9.Qh5 Kd8 10.Ne2? (better is 10.c3!?=) 10...g6 (10...Qb4?! 11.Nbc3-/+) 11.Qf3 Bg7 (worse is 11...Qb4 12.Be4-/+) 12.Nbc3? Rf8 13.Qg3 Be5 14.f4 Nf4 15.Rf1 Nd3 16.Qd3 Rf1 17.Kf1 Nc6 18.Rb1 Nd4 19.Nd4 Qd4 20.Qd4 Bd4 21.Ne2 Bf6 22.d3 Ba4 (22...Ba4 23.d4 Bc2-+) 0–1. Stanculescu,C (2230) – Parligras,M (2590), ch–ROU Men Sarata Monteoru ROU, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.c4 Nb4 7.Ba3 N8c6 (7...Qa5 8.Nf3 Bf5 9.Bb2-+) 8.Qa4-/+ Qb6 9.Nc3 Bf5 10.Rc1 Qa6 (10...de5?! 11.Nd5 Nc2 12.Rc2 Bc2 13.Qc2=) 11.Qa6 ba6 12.Nd5 (12.Bb4 Nb4 13.Nd5 Nd5 14.cd5 de5-/+) 12...Nd5-+ 13.cd5 Ne5 14.Rc3 (14.Ba6 Bd3 15.Bb7 Rb8 16.Bc6 Kd8-+) 14...g6 (14...Rb8 15.d4 Ng4 16.Nf3-+) 15.Ba6 (15.d4 Ng4 16.Ba6 Bh6-/+) 15...Rb8 16.Ne2 (better 16.d4!? Ng4 17.Ne2-/+) 16...Rb6-+ 17.f4 (17.Bc4 Bg7-+) 17...Ra6 18.fe5 Bg7 19.d4 (19.Kf2 Be5 20.Rb3 Rb6 21.Rb6 ab6-+) 19...de5 20.de5 Be5 21.Re3 f6 22.0-0 Kd7 23.Bc5 (23.Rd1 Rc8-+) 23...Rc8 24.Bd4 Bd6 25.Rb3 (25.h3 Ra4-+) 25...Rc2 (25...Ra4 26.Be3-+) 26.Nc3 Ra5 27.Re1 (27.Rb7 Kd8 28.Rd1 a6-+) 27...Bc5 28.Bc5 Rc5 29.Re3 Rc4 30.h3 (30.Ne2 a5-+) 30...h5 31.Nb5 (31.Ne2 Re4 32.Kf2 a5-+) 31...Be4 32.g4 (32.Nc3 Bg2 33.Rb7 Kd8 34.Rb8 Kc7 35.Rb3-+) 32...Rg2 33.Kf1 Rc1 (33...Bd5 34.Rbd3 Rc1 35.Re1 Re1 36.Ke1 hg4 37.hg4-+) 34.Re1 Re1 35.Ke1 hg4 (35...hg4 36.hg4 Bd5-+) 0–1. Barrenechea Bahamonde,Gustavo (2115) – Sgnaolin,Davide (2255), 41. Seville Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.c4 Nb4 7.Bb2 de5-+ 8.Nf3 f6 9.d4 (9.Qb3 e6-+) 9...ed4 10.Qa4 N8c6 11.Nd4 e5 12.Nc6 Nc6 13.Be2 Bd7 14.0-0 Nd4 15.Qd1 Bc5 16.Bh5 g6 17.Bf3 Nf3 18.Qf3 Bc6 19.Qh3 (19.Qe2 0-0-+) 19…Qd7 (19...Qd7 20.Qg3 0-0-+) 0–1. craig4000 – marekt, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.d4 de5-/+ 7.c4 Nf6 8.de5-/+ Qd1 9.Kd1 Ng4 10.Be3 Ne3 11.fe3 Nc6 12.Nc3 Bg4 13.Kc1 e6 14.h3 Bf5 15.g4 Be4?? 16.Rh2?? Be7?? 17.Bg2?? Bg2-+ 18.Rg2 Ne5 19.Rb1 a5 20.Kc2? Rd8 0–1. Arenas,S (2155) – Alzate,D (2425), II American Continental, 2003.

    6.ed6 Nb4 7.de7 Be7 8.Nf3 0-0 9.Be2 Bf5 10.d3 Bf6 11.Ra3.

    6.ed6 Qd6 7.c3=+ Nb4 8.d4 Nd5 9.Bc4 Bd7 10.Qb3 Bc6 11.Nf3.

    6.ed6 Qd6 7.c3 Bf5 8.Nf3 Nc6 9.b5 Ne5 10.Ba3 Nf3 11.Qf3 Qe6 12.Be2 Be4 13.Qg3 h5 14.c4 Qf6 15.Nc3 h4 16.Qh3? (better is 16.Qg4!? Nc3 17.Bb2=) 16...Nf4-+ 17.Qg4 Ng2 18.Kd1 Nf4 19.Re1? (19.Rg1 Rd8 20.Rc1 Bd3-+) 19...Nd3 (19...Ne2?! 20.Ke2 Bf5 21.Qg2-+) 20.Rf1 Bg6 21.Qf3 Qf3 22.Bf3 Rb8 23.Be4 Be4 24.Ne4 e6 (better is 24...Ne5!?-/+) 25.Kc2 Ba3 26.Ra3 Ne5 27.Kc3 a6 28.f4 Ng4 29.h3 Nf6 30.Nf6 gf6 31.ba6 ba6 32.Ra6 Rg8 33.Re1 f5 34.Re3 Ke7 35.c5 Rb1 36.Ra7 Kf6 37.Kc2 Rb4 38.Rc3 Rc8 39.c6 Rb6 40.c7 Ke7 41.Kd3 Kd7 42.Ke3 Rc6 43.Rd3 Rd6 44.Rc3 Rc6 ½–½. Frink,F (2300) – Turcu,I (2195), Arad Open A Arad ROU, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    6.ed6 e6 7.c4 Qd6=+ 8.cd5 Qe5-+ 9.Ne2 Qa1 10.Qc2 Na6 11.Nec3 Bb4 12.Bb5 Kf8 13.0-0 Qa5 14.Qe4 Nc7 15.Bc4 Bd7 16.Bb2 Re8 17.Qf3 ed5 18.Nd5-/+ Nd5 19.Bd5 Be6 20.Bb7 Bd6 21.Re1 Qb4 22.Ba3 Qb6 23.Bc6 Rd8 24.g3 Ba3-/+ 25.Qa3 Kg8 26.Qe7 Qd4 27.Be8 g6?? 28.Re6+- Re8 29.Qe8 Kg7 30.Re4?? Re8= 31.Rd4 Re1 32.Kg2 Rb1 33.Ra4 Rb7 34.d4 Kf6 35.Ra5 Rd7 36.Kf3 Rd4 ½–½. Nowacki,Marian – Witkowski,Stefan, Poland–ch21 Warsaw, 1964.

    6.Nf3 Nc6 7.b5 Ne5 8.d4 Nf3 9.Qf3 Nb6 10.Bd3 g6 11.0-0 Bg7 12.Bb2 0-0 13.Nd2 Qc7 14.Qg3 Be6 15.Rfe1 Rfc8 16.Re6 fe6-/+ 17.Nf3 Nd7 18.h4 Nf6 19.Ng5=+ d5 20.Qc7 Rc7 21.Ne6 Rcc8 22.Ba3 a6 23.ba6= ba6 24.Re1 Bh8 25.Be7 a5 26.Ba3 Rab8 27.Bd6 Rb2 28.Ba3 Ra2 29.Bc5 a4 30.Nf4 Bg7 31.h5 gh5-/+ 32.Bf5 Re8 33.Re8 Ne8 34.Nd5 Bf8-+ 35.Nc3 Ra1 36.Kh2 a3 37.Kg3 Bc5 38.dc5 Re1 39.Bd3 Kf8 40.Bc4 Nc7 41.Bb3 Re5 42.Nb1 Nb5 0–1. Carlley,Bruce – Balzanelli,Andreas, WS/O/255 ICCF, 2008.

    6.Nf3 Nc6 7.c3 Ne5 8.d4 Nf3 9.Qf3 e6 10.Bc4 Qf6 11.Bd5= ed5 12.Qf6 gf6 13.0-0 Be6 14.Bf4 Rg8 15.Re1 Be7 16.Nd2 Kd7 17.Nf1 a6 18.f3 f5 19.Kf2 Bh4 20.g3 Bf6 21.Ne3 Rac8 22.Ra3 Rc6 23.Re2 Rgc8 24.Nd1 h5 25.h4 Bg7 26.Kg2 ½–½. Schlaeger,Michael (2270) – Guelker,Lorenz (2225), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    6.Nf3 de5 7.Ne5= Qb6 (7...Qd6 8.Bb2 Nc6 9.Nc6 bc6 10.b5=) 8.Nc4 (8.Nc3 Nb4 9.Bb5 Bd7+=) 8...Qe6 (8...Qg6 9.Nc3 Nb4 10.d3=) 9.Ne3 Ne3 (9...Nc6 10.Nc3 Ncb4 11.Ba3=) 10.de3 Qe5 (10...Qf6 11.Ra4=) 11.Ra5 (11.Ra4 Bf5+=) 11...Qe4 (11...Qc7!?=) 12.Bd2 (12.Ba3 e6 13.Nd2 Bb4+-) 12...b6 (12...Nc6!? 13.Nc3 Qe6+- (13...Qb4? 14.Nb5 Qg4 15.Qg4 Bg4 16.Ra4+-)) 13.Nc3+- Qb7 14.Ra4 Bd7 (better 14...a5!?+-) 15.b5+- a6 (15...a5 16.Bd3 Ra7 17.0-0+-) 16.Qa1 a5 17.Bd3 f5 (17...Ra7 18.0-0+-) 18.0-0 Ra7 (18...Be6 19.e4 f4 20.e5+-) 19.e4 Qc8 (19...f4 20.Nd5 Be6 21.Nf4+-) 20.Re1 Be6 21.Nd5 Nd7 (21...Rb7 22.Nf4 Bf7 23.ef5+-) 22.Rc4 Qd8 23.Rc6 Nc5 24.Nb6 fe4 (24...Nd3 25.cd3 Bd7 26.Nd7 Qd7 27.ef5+-) 25.Be4 Ne4 (25...Rc7 26.Ba5 Ne4 27.Re6+-) 26.Re4 Qd2 (26...Rb7 27.Ree6 Rb6 28.Rb6 Qd2 29.Rb8 Kd7 30.Re4+-) 27.Ree6 g6 (27...Rd7 28.Nd7 Qd7 29.b6+-) 28.h3 (28.Re3 Qd8 29.Rd3 Qd3 30.cd3 Ra8 31.Na8 e6 32.Qf6 Bc5 33.Re6 Kd7 34.Qf7 Be7 35.Qe7 Kc8 36.Qc7) 28...Bg7 (28...Rg8 29.Rc8 Kf7+-) 29.Qg7 Qc1 30.Re1! (30.Re1 Qe1 31.Kh2 Qe5 32.Qe5+-) 1–0. Ali,Ehsan (2400) – Vallespir Salor,Gabriel (2020), Campionat de Mallorca Individual, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nf6 4.e5 Nd5 5.ab4 d6)

    5.Nf3 Nc6

    6.ab4 d6 7.b5 Ne5 8.d4 Nf3 9.Qf3 Nb6 10.Bb2 Qd7 11.c4 Qf5 12.Nd2 Qf3 13.Nf3 Bf5 14.Be2 g6 15.d5 Rg8=+ 16.Bd4 (16.Bd4 Bg7 17.Ra5 Bd4 18.Nd4=+). Kuna,Heiko (2420) – Padilla,Jesus (1785), RSX – 4–Jahreszeiten: Sommer, 2010.

    6.ab4 d6 7.Bb5 Bg4 8.ed6 Qd6 9.0-0 e6 10.c3 Be7 11.Na3 0-0 12.Nc4 Qc7 13.Ne3 Ne3 14.fe3 Bd6 15.h3= Bh5 16.d4 a5 17.ba5 Ra5 18.Ra5 Na5 19.Qd3 Rc8 20.Bb2 Bg6 21.e4 Nc4 22.Bc4 Qc4 23.Qc4 Rc4 24.Ra1 Rc8 25.e5 Bf8 26.Kf2 Be4 27.Nd2 Bd5 28.Nf1 f6 29.ef6 gf6 30.Ne3 Be4 31.g4 Kf7 32.c4 Rc6 33.c5 e5 34.de5 fe5 35.Be5 Bc5 36.Ra5 Bd3 37.Kf3 b5 38.Nf5 b4 39.Nd4 Rc8 40.Nb3 ½–½. Kuna,Heiko (2420) – Fuhrwerk,Klaus (2340), RSX – 4–Jahreszeiten: Sommer, 2010.

    6.ab4 d6 7.c3 Ne5 8.Ne5 de5 9.Qh5 Nf4 10.Qe5 Nd3 11.Bd3 Qd3 12.Na3 Bd7 13.Qe2 Qe2 14.Ke2 Rc8 15.d3 a6 16.Nc4 g6 17.Bb2 Bg7 18.Rhb1 Rc6 19.Ne3 f6 (19...Rc3? 20.Kd2 (20.Bc3?! Bc3 21.Ra2 Bc6+=) 20...Rc8 21.Bg7+-) ½–½. Meissen,Frank (2495) – Koenig,Paul (2345), RSS7E top–16, 2007.

    6.ab4 d6 7.c3 Ne5 8.Ne5 de5 9.Qh5 g6 10.Qe5= f6 11.Qg3 e6 12.Bb5 Bd7 13.Bc4 Qc8 14.Bd5 ed5 15.0-0 Qc6 16.d3 Kf7 17.Be3 Bd6 18.Qh4 h5 19.f4 Bf5 20.Rd1 Bg4 21.Re1 Rhe8 22.Qf2 Re6 23.h3 Bf5 24.Rd1 Rae8 25.Bd4 Qc7 26.Na3 a6 27.Qf3 Bf4 28.Qd5 Kg7 29.Nc4 Re2 30.Bb6 Qb8 31.Kh1 Rc2 32.Re1 Rc3 33.Re8 Qe8 34.Qb7 Qd7 35.Qd7 Bd7 36.Ra6 Rd3 37.Ra1 Be6 38.Rf1 g5 39.Nb2 Rb3 40.Nd1 Rb4 41.Bc5 Rb1 42.Rg1 Rb5 43.Be3 Be5 44.Nf2 Rb3 45.Bc5 Rc3 46.Bb4 Rc4 47.Nd3 Bc7 48.Rf1 Kg6 49.Be7 Bf5 50.Nf2 Bb6 51.Nd3 Bd4 52.Nc1 Rc2 53.Nb3 Be5 54.Rc1 Re2 55.Bc5 Be4 56.Rg1 Rb2 57.Nd4 Bd5 58.h4 Bg3 59.hg5 fg5 60.Ba3 Rd2 61.Nb5 Bf2 0–1. Ziebarth,Susanne (1810) – Guelker,Lorenz (2225), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    6.ab4 d6 7.ed6 Qd6 8.c3= Bf5 9.Na3 Qe6 10.Qe2 Qf6 11.b5 Na5 12.Nd4 Bg6 13.g3 e6=+ 14.Bg2 Nb4 15.0-0 Bd3 16.Qd1 Bc5 17.Nb1 Bb6 18.cb4 Qd4 19.ba5 Qa1 20.ab6 Qb1 21.Bb7=+ 0-0 22.Ba3 Qb5 23.Ba8 Ra8 24.Qf3 Rd8 25.ba7 ½–½. Ruhmke,Stephan (2235) – Fuhrwerk,Klaus (2335), RSM2007 remoteschach.de, 2008.

    3.Bb2 Nc6

    4.a3 e6 5.Bc4 ba3 6.Na3 Qg5 7.Nf3 Qf4 (worse is 7...Qg2 8.Rg1 Qh3 9.Nb5+/- (9.Bg7?! Bg7 10.Rg7 Qh6=)) 8.Qe2 f6 9.Nb5 Bc5 10.0-0 a6 11.e5 Kf7? (11...Rb8 12.g3 Qg4 13.Nd6 Bd6 14.ed6 b5-/+) 12.d4+- Be7? (better is 12...ab5 13.Ra8 bc4 14.dc5 Nge7 15.ef6 gf6+-) 13.Bc1 Qf5 14.Bd3 Nd4 (14...ab5 15.Ra8 Nd4 16.Nd4 Qe5 17.Nb5 Qe2 18.Be2 d5 19.Rc8 f5+-) 15.Nbd4 (15.Nfd4?! Qe5 16.Be3 f5+-) 15...Qg4 16.Ng5!! (16.Ng5 Qg5 17.Bg5 fg5 18.Qf3 Ke8 19.Ne6 de6 20.Bb5 Kd8 21.Qf7+-) 1–0. Rezny,F (1620) – Kaeding,Dieter, Brno CZE, 4th Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.Bb2 Nc6)

    4.a3 Nf6 5.e5 Nd5 6.Nf3 d6 7.Bb5 Qb6 8.Bc6 Qc6 9.0-0 Bg4 10.ed6 e6 11.d7 Qd7 12.h3 Bh5 13.ab4 Nb4 14.Na3 f6 15.Re1 Be7 16.d4 Bg6 17.Qe2=+ Rc8 18.c4 Nd3-/+ 19.Red1 Nb2 20.Qb2 0-0 21.c5 Rfd8 22.Qe2 Qd5 23.Nb5=+ a6 24.Nc3 Qc6 25.Na4 Be4-/+ 26.Nb6 Rc7 27.Rac1 Bf3 28.gf3 f5 29.Qe3 Bf6 30.Rc4 g6 31.Re1 g5 32.Rd1 Kh8 33.Rd3 Rg7 34.Kf1 Rg6 35.Rb4 f4 36.Qe4 Rg7 37.Ra4 Rc7 38.Rc4 Kg7 39.Kg2 h5 40.Kf1 Re7 41.Kg2 Kh6 42.Kf1 Rg7 43.Ke2 Rc7 44.Kf1 a5 45.Kg2 Qe4 46.fe4 g4 47.hg4 hg4 48.f3 Rh7 49.fg4 Kg5 (49...Kg5 50.Rd1 Kg4-+) 0–1. Hollstein,Frank (2255) – Heinrich,Olaf (2290), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    4.c4 bc3 5.Nc3 e5 6.f4 (6.Nf3 Nf6+=) 6...Bc5 (6...ef4!? 7.Nd5 Qh4 8.Ke2 Rb8-/+) 7.Nf3 d6 8.Nd5 (8.Bb5 ef4 9.Nd5 Kf8=) 8...Nf6-/+ 9.Bc4 0-0 10.f5? (better is 10.fe5 de5 11.Qc2 Nd5 12.Bd5-/+) 10...Ne4-+ 11.Rf1 Bf5 12.d3 Nf6 13.Ng5 (13.Nh4 Nd5 14.Nf5-+) 13...Nd5 14.Rf5 Qa5 15.Ke2 Nc3 (better is 15...Ne3 16.Nf7 d5 17.Bd5 Nd5-+ (17...Nd1?! 18.Nd8 Rf7 19.Nf7-/+)) 16.Bc3 Qc3 17.Rc1 (17.Rf7 Qb2 18.Kf1 Rf7 19.Bf7 Kh8-+) 17...Nd4 18.Kf1 Nf5 19.Rc3 Ne3 20.Ke2 Nd1 21.Kd1 h6 22.Ne4 Rac8 23.Bd5 b5 24.Rb3 b4 25.h3 a5 26.g4 a4 27.Rb2 Kh8 28.h4 f5 29.gf5 Rb8 (29...Rf5 30.Ng3 Rf6 31.Rg2-+) 30.f6 (30.Nc5 dc5 31.Be6 Rfd8-+) 30...gf6 31.Rf2 (31.Re2-+) 31...Bf2 32.Nf2 f5 (32...b3 33.ab3 ab3 34.Ne4-+) 33.h5 (33.Kc1 Kg7-+) 33...b3 34.ab3 ab3 35.Kc1 (35.Kd2 b2 36.Ba2 b1Q 37.Bb1 Rb1-+) 35...b2 36.Kb1 Rfc8 (36...Rfc8 37.Bc4 e4 38.de4 Rc4 39.Nd3 Rc2 40.Kc2 b1Q 41.Kd2 Rb3 42.Ne1 Rb2 43.Kc3 Qc1 44.Nc2 Rc2 45.Kb4 Rb2 46.Ka4 Qa1) 0–1. Moore,Michael – Arman,Deniz (2150), Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6)

    4.Bc4 e6 5.a3 d5 6.ed5 ed5 7.Ba2 Nf6 8.Ne2 (8.Qe2 Be6-/+) 8...Bg4 (8...Bd6!?-/+) 9.0-0 Be7 10.f3 Qb6 11.Kh1 Be6 12.Nf4 (12.ab4 0-0+=) 12...0-0 (12...ba3 13.Bf6 Bf6 14.Nc3-/+) 13.ab4 Qb4 14.Nd3 Qh4 15.Nc3 Bd6 16.f4 Ng4 17.h3 Bf5 (17...Nf6 18.Nb5 Bb8 19.Re1+=) 18.Qe1 Qe1 19.Ne1 Nf6 20.Nd5 Ne4 21.Rf3 Nb4 22.d3= Nd5 23.de4+= Be4 24.Rg3 f6? 25.Bd5 Bd5+= 26.Rd3 Bg2 27.Ng2 Bc5 28.Ba3 Ba3 29.Raa3 a6 30.Rd7 b5 31.Rad3 Rfc8 32.Ne3+/- a5 33.Nf5 Rc2 34.Rg7 Kh8 35.Rdd7 Rc1 36.Kg2 Rg8 37.Rg8 Kg8 38.Rg7 Kh8? 39.Rg3 Rc2+= 40.Kf1 h5 41.Ke1 b4 42.Kd1 Rc7 43.Rd3 Rc4 44.Nd4 a4 45.f5 a3 46.Nb3 Rf4 47.Rd4 Rf5 48.Rb4 Rf3 49.h4 a2+= 50.Ra4 Rb3 51.Ra2 Rb4 52.Rh2 Rb3 53.Ke1 Kh7 54.Kf1 Kg6 55.Rf2 Rh3 56.Rf4 Rg3 57.Rf2 Rg4 58.Rh2 Kf5 59.Kf2 Ke4 60.Rh3 f5 61.Ra3= f4 62.Ra4 Kf5 63.Ra5 Kg6 64.Ra6 Kf5 ½–½. Gibson,Kris (1855) – Medes,Bartek, Winnipeg Tuesday Night, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6)

    4.Bc4 e6 5.Qf3 Qc7 6.Bb3 Na5 7.d4 Nb3 8.Qb3 Nf6 9.Nd2 b6 10.Ne2 Bb7 11.f3 d5 12.e5 Nd7 13.Rc1 Be7 14.h4 (14.c3!?-/+) 14...Qd8 15.g3 Rc8 16.Qd3 Nb8 17.f4 Ba6 18.Qf3 Nc6 19.0-0 Na5 20.Rf2 Nc4 21.Nc4 Bc4 22.f5 ef5 (22...Ba2?! 23.Ra1 Bc4 24.fe6=) 23.Nf4 (23.Qf5 0-0-+) 23...g6 24.Re1 a5 25.e6 0-0 26.h5 Qd6 (better is 26...g5!? 27.ef7 Rf7-+) 27.ef7-/+ Rf7 28.Re6 Qd7 29.hg6 hg6 (better is 29...Rg7+=) 30.Rg6+- Rg7 31.Qh5 (31.Rg7 Kg7 32.Qh5+-) 31...Rc6?? (31...Bf8 32.Rh2 Rc6 33.Qh8 Kf7 34.Rg7 Bg7+-) 32.Rg7+- Kg7 33.Rh2 Rh6 34.Qh6 Kf7 (34...Kg8 35.Qg6 Kf8 36.Rh8) 35.Qg6 (35.Qg6 Kf8 36.Rh8) 1–0. De Mayolas,Flavio – Zsilavecz,Daniel, San Martin Cup, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6)

    4.Bc4 e6 5.Qf3 Qc7 6.Ne2 Ne5 7.Be5 Qc4 8.0-0 d6-/+ 9.d3 Qa6 10.Bb2=+ Ne7 11.Nd2 Ng6 12.Ng3 e5 13.a3 ba3 14.Ra3 Qc6 15.Rc3 Qd7 16.Nc4 b5 17.Ne3 Be7 18.Nef5 0-0-/+ 19.Qg4 b4 20.Rc8=+ Qc8 21.Qg6 hg6 22.Ne7 Kh8 23.Nc8 Rfc8 24.Rc1 a5 25.Ne2 a4-/+ 26.c4? a3-+ 27.Ba1 b3 28.Rb1 b2 29.Bb2?! ab2 (29...ab2 30.Kf1 Ra1-+) 0–1. Arnaud,Mike – West,Graham, IECC, 2005.

    4.Bc4 e6 5.Nf3 d6 6.d3 Nf6 7.a3 ba3 8.Na3 a6 9.Qe2 Be7 10.h4 b5 11.Nb5 Bb7 (11...ab5!? 12.Ra8 bc4-/+) 12.Nc3 0-0 13.d4 d5 14.Ba6 (14.ed5!? Nd5 15.Nd5 (15.Ba6? Nc3 16.Bc3 Bb4-+) 15...ed5 16.Ba6+=) 14...Qb6-/+ 15.Bb7 Ra1 (better is 15...Qb2 16.Ra8 Ra8 17.Ba8 Qc3 18.Qd2 Qa1 19.Ke2 Qa8-+) 16.Ba1= Qb7 17.0-0 Re8 18.ed5 ed5 19.Qb5 Qd7 (19...Qb5!? 20.Nb5 Nb4+=) 20.Ne5+/- Ne5 21.de5 Qb5 22.Nb5 Ng4 23.Nc7 Rc8 24.Nd5 Bh4 25.g3 Bd8 26.Rc1 Rc4 27.Rd1 Rc2? (better is 27...Kf8 28.f3 Nh6+/-) 28.Ne3 (28.Ne3 Rc8 29.Ng4+-) 1–0. Gibson,Kris (1760) – Bist,Kent, Winnipeg Remembrance op, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6)

    4.Bc4 e6 5.Nf3 Nf6 6.a3 Ne4 7.ab4 d5 -/+.

    4.d4 Qc7 5.Nf3= d6 6.d5 Ne5 7.Ne5 de5 8.c3 Qa5 9.c4 b3 10.Bc3?? b2-+ 11.Ba5 ba1Q 12.c5 Qa2 13.Bb5 Bd7 14.Bd7 Kd7 15.c6 Ke8 16.Bc7 bc6 17.dc6 Qe6 (17...Qe6 18.Qd5 Qd5 19.ed5 f6-+) 0–1. Walter,Szymon – Gajdamowicz,Adrian, Puchar Polski Juniorow Poland, 2010.

    4.Nf3 d6 5.Bc4 a6 6.0-0 e6 7.a3 ba3 8.Ba3 Be7 9.d4 Nf6 10.e5 de5 11.de5 Ba3 12.ef6 Qf6?? 13.Ra3+/- Ne5 14.Ne5 Qe5 15.Re1 Qc7 16.Qg4 0-0 17.Bd3 g6 18.Be2 b5 19.Rh3?? Qc2?? 20.Bf3 e5= 21.Qe4?? Qe4-+ 22.Be4 Bh3 23.Ba8 Ra8 24.gh3 Rc8 25.Kf1 a5 26.Ke2 b4-+ 27.Nd2 a4 28.Ra1 Ra8 29.Nb3 a3 30.Kd2 Rc8 31.Na5 Rc5 32.Nb7?? Rb5 33.Nd6 Rb6 34.Nc4 Rc6 35.Ne5=+ Rc8 36.Nd3 Rd8 37.Kc2? b3!-+ 38.Kc3?? Rd3! 39.Kd3 b2 40.Rb1 a2 41.Rb2 a1Q 42.Rc2 Kg7 43.Rc3 Qf1 44.Ke3 Qe1 45.Kd3 Qf2 46.Rc4 Qh2 47.Re4 Qh3 48.Re3 Qe3! 49.Ke3 f6 50.Kf4 h6 (50...h6 51.Kf3 g5-+) 0–1. nizinna – vbulik, kurnik, 2011.

    4.Nf3 Nf6 5.e5 Nd5 6.Bc4 e6 7.Bd5 ed5 8.0-0 Be7 9.e6 de6-+ 10.Bg7 Rg8 11.Bb2 d4 12.d3 Bd6 13.Nbd2 e5 14.Ne4 Bh3 15.Ng3 Bg4 16.Re1 Qf6 17.Ne4 Qg6 18.Nd6 Qd6 19.Re4 Bh3 20.g3 0-0-0?? 21.a3? f5 22.Rh4-/+ Bg4 23.ab4 e4 24.de4 fe4 25.Rg4-/+ Rg4 26.Nd4 Rdg8 27.b5= Nb4 28.Ra7+/- e3 29.Ra8 Kd7 30.Rg8 ef2 31.Kf2 Rg8 32.Qf3?? Rf8-+ 33.Nf5 Qc5 34.Kg2 (34.Kg2 Qc2 35.Kh1 Rf5 36.Qb7 Qc7 37.Qe4-+) 0–1. poulmorphy (1725) – chaillas, kurnik, 2011.

    4.Nf3 Nf6 5.e5 Ne4 6.Bd3 Nc5 7.Bc4 d5 =+.

    4.d4 d5

    5.Nd2 e6 6.Bd3 Nf6 7.e5 Nd7 8.Ne2 f5 9.Nf4 Qe7 10.g4 Nb6 11.gf5 ef5 12.Qf3 g6 13.Nd5 Nd5 14.Qd5 Be6 15.Qb5 0-0-0 16.Nb3 a6 (16...Rd5 17.Nc5-/+) 17.Qb6+= Bd5 18.Rg1 Qc7 19.Qc7 Kc7 20.0-0-0 Bf3 (20...Bh6 21.Kb1-/+) 21.Rde1= Bh6 22.Kb1 Bf4 23.Be2 (23.h3!?=) 23...Bd5-/+ 24.Rd1 (24.h3 Bb3 25.cb3 Nd4 26.e6-+) 24...Bh2-+ 25.Rge1 h5 26.Nc5 h4 27.Rd3 b6 28.Na6+= Kb7 29.a3 Bc4 30.Rh3 Be2 31.Re2? ba3-+ 32.Ra3 Nd4 33.Re1 Nc6 34.e6 Rhe8 35.Ra4 Bd6 0–1. Rodriguez,R – Lamas Baliero,Pedro, URU–ch Uruguay, 1988. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5)

    5.Nd2 Nf6 6.e5 Nd7 7.Bd3 Nb6 8.c4 bc3 9.Bc3 e6 10.Nh3 Bd7 11.0-0 Rc8 12.Rc1 Ba3 13.Qg4 g6 14.Rc2 Nb4 15.Bb4 Rc2 16.Bc2 Bb4 17.Nf3 Nc4 18.Qf4 Qe7 19.Qh6 Qf8 20.Qf4 Bc6 21.Bb3 Nb6 22.Rc1 Qg7 23.Qg3 0-0 24.Nf4 Bb5 25.Rc7 Qh6 (25...Bc6 26.Kh1 Qh6-+) 26.Rb7+= Rc8 ½–½. Gross,Karl (2010) – Link,Michael (2285), Goch op, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5)

    5.e5 Bf5 6.Bd3 Bd7 7.f4 Nh6 8.Nd2 Nf5 9.Ngf3 Qb6 10.Nb3 e6 11.g4 Nh6 (11...Ne3!? 12.Qe2 Ng4-/+) 12.Ng5 f6 (12...Be7!?+=) 13.Nh7 Be7 14.g5 f5 (14...Nf5 15.gf6 Rh7 16.Qg4=) 15.gh6 Rh7 16.Qh5 Kd8? (better is 16...Kf8!? 17.hg7 Kg7 18.Rg1 Kh8+=) 17.Qg6 (better is 17.hg7!? Rh5 18.g8Q Be8 19.Qe6+-) 17...Rh6+/- 18.Qg7 Rh4 19.Qg8 Be8 20.Qe6 Rf4 21.Qd5 Kc7 22.Nc5 Bc5 (better is 22...Nd8!? 23.Rg1 Qh6 24.Na6 Kc8 25.Qc4 Nc6+/-) 23.dc5+- (23.Qc5?! Qc5 24.dc5 Bf7+=) 23...Qa5 24.Qd6 Kc8 25.Rf1 b3 26.c3 Rf1? (26...Qa4 27.Kd2 Na5 28.Qe6 Kc7 29.Qe7 Bd7 30.Qd6 Kc8 31.Qf8 Kc7 32.Qa8 Nc4 33.Ke2 Rf1 34.Kf1 Nb2=) 27.Kf1 (27.Bf1?! Qa4 28.Qe6 Bd7 29.Qg8 Kc7 30.Qa8 Qe4 31.Kf2 Qc2 32.Be2 Qb2+=) 27...Bd7 28.Qf8 (better is 28.e6 Be8 29.e7 Qc7 30.Bf5 Kb8+-) 28...Nd8? (better is 28...Qd8 29.Qd8 Kd8 30.ab3 Ne5+/-) 29.ab3+- Qc7 30.Bf5 Qe5 (30...Qc6 31.Kg1 Bf5 32.Qf5 Kc7 33.Qh7 Kc8+-) 31.Bd7 Kd7 32.Qd6! Qd6 33.cd6 Kd6 ½–½. Louison,Lewis (1660) – De Castet,Antoine, FRA–ch Accession, 2006. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5)

    5.e5 Bf5-/+ 6.Nf3 e6 7.Nbd2 Be7 8.Bb5 Qb6 9.Bd3 Nh6 10.Qe2 a5 11.c4 bc3! 12.Bc3 Bd3 13.Qd3 Nb4 14.Bb4 Bb4 15.Rb1 Qa6 16.Ke2 Qd3 17.Kd3 Rc8 18.Rhc1 Kd7 19.Nb3 b6 20.a4 f6 21.h3 Ba3 22.Rc2 Rc2 23.Kc2 Rc8 24.Kd3 Bb4 25.Rc1 Rc6 26.g4 Nf7 27.h4 Ba3 28.Rc2 Rc2 29.Kc2 Kc6 30.ef6 gf6 31.h5 Be7 32.Nbd2 Nh6 33.g5 fg5 34.Ne5 Kd6 35.Kd3 Bf6 36.Nef3 g4 37.Ne1 Bh4 (37...Bh4 38.Ke2 Nf5-+) 0–1. Bishop,Peter (1850) – Bellin,J (2150), Kaupthing Open, Differdange LUX, 2007.

    5.f4 Nf6 6.Bb5 (better is 6.e5!? Bg4 7.Be2 Be2 8.Ne2-/+) 6...Ne4-+ 7.Nd2 Bf5 8.Ngf3 e6 9.0-0 Be7 10.Ne5 0-0 11.Bc6 bc6 12.Nc6 Qc7 13.Ne7 Qe7 14.Ne4 Be4 15.Qd2 Rac8 16.Rac1 Rc4 17.c3 Rfc8 (17...Rb8 18.cb4 Qb4 19.Qb4 Rcb4 20.Bc3-+) 18.cb4-/+ Rc2 19.a3?? (19.Rf2 R8c4 20.Rc2 Rc2-+ (20...Bc2?! 21.a3+=)) 19...h6 (19...Qb7 20.Rc2 Rc2 21.Qc2 Bc2 22.Rc1-+) 20.Rc2?? (better is 20.Rf2-/+) 20...Rc2-+ (20...Bc2?! 21.Rc1 Qc7 22.Qe2=) 21.Qe3 Rg2 (21...Rg2 22.Kh1 Qh4 23.Qh3 Qh3 24.Rf3 Qh2) 0–1. Moore,Michael – Demaria,Lucas, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5)

    5.ed5 Qd5

    6.c4 Qa5 7.Nd2 Nf6 8.d5 Nb8 9.a3 e6 10.ab4 Qb4 11.Ba3 Qb6 12.Bf8 (12.c5!? Qd8 13.d6+=) 12...Kf8 13.Rb1 Qc7 14.Qb3 Na6 15.Ngf3 Nc5 16.Qa3 b6 17.Be2 ed5 18.0-0 g6 (18...Kg8 19.Rfe1-/+) 19.Qa1 Kg7 20.cd5 Bb7 21.d6 Qd6 22.Nc4 Qc7 23.Nfe5 Rhe8 24.Ng4 Re6 (24...Re2?! 25.Qf6 Kg8 26.Nd6=) 25.Nce3 h5 26.Nf6 Rf6 27.Rbe1 Rd8 28.Bh5 Bc8 (28...Nd3 29.Ng4 Qc6 30.Qf6 Qf6 31.Nf6 Kf6 32.Ra1 gh5 33.Ra7-+) 29.Bf3 (29.Bd1 a5+=) 29...Be6 (29...Nb3!? 30.Qa2 Be6-+) 30.Rc1 Qe7 31.Rc2? (better is 31.Rcd1=) 31...Nb3-+ 32.Qb2 Nd4 33.Rcc1 Nf3 34.gf3 Kg8 35.Rfe1 (35.Qe5 Rf3 36.Rc7 Qh4-+) 35...Rf3 36.Qe5 Qf6 37.Qf6 Rf6 38.Rc7 Rd2 0–1. Heil,Walter – Marjanovic,Bodin (2290), Wuerzburger op 5th, 1989. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    6.c4 Qa5 7.d5 Nd8 8.Nd2 e6 9.Ngf3 f6 (9...ed5 10.Nb3 Qb6 11.cd5+/-) 10.Bd3 Nh6 11.0-0 e5 (11...Be7 12.Re1 ed5 13.Nb3+-) 12.Re1 Ndf7 (12...Nhf7 13.h4+/-) 13.Nb3 (13.Qc2 Bd7+/-) 13...Qc7 14.Rc1 Bg4? (14...b6!?+/-) 15.h3 (15.c5 Qd7+/-) 15...Bf3 16.Qf3 (16.gf3?! Qd7=) 16...Bc5 (better is 16...0-0-0+/-) 17.d6?? (better is 17.Bd4! Bd4 18.Nd4+/-) 17...Bd6 (17...Qd6 18.Red1 Qb6 19.Bb1+=) 18.c5+/- Be7 19.Bb5 Kf8 20.Red1 (20.Qe4 g6=) 20...Rd8+= 21.c6 Qb6?? 22.Rd8+- Bd8 23.Nc5 Qb5 24.cb7 Ke7 25.Qd5 Bc7 26.Qe6 Kd8 27.Rd1 Bd6 (27...Nd6 hardly improves anything 28.Rd6 Bd6 29.Qd6 Ke8 30.Qe6 Kf8 31.b8Q Qb8 32.Nd7) 1–0. Gallegos,Paul (2090) – Baker,Jonathan (2220), Jim Hurt Rating+, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    6.c4 Qd6 7.Nf3 Nf6 8.d5 Nb8 9.Bd3 Bg4 10.Nbd2 Nbd7 11.0-0 Nc5 12.Nb3 Nb3 13.ab3 g6 14.c5 (better is 14.Bd4!?+=) 14...Qc5+= 15.Bf6 ef6 16.Re1 Be7 17.Rc1 Qd6 18.Bb5 Kf8 19.h3 Bf3 20.Qf3 Kg7 21.Qe4 Bd8 22.h4 f5 23.Qc4? (better is 23.Qe5 Qe5 24.Re5 Bh4 25.Rc7-+) 23…a6 0–1. Majeric,Zoran (2325) – Milenkovic,Mladen (2310), Novi Sad op–A, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    6.c4 Qd6 7.Nf3 Bg4 8.Be2 (8.d5!? Nd8 9.Nbd2+=) 8...e6 9.0-0 Nf6 10.Nbd2 Be7 11.Qc2 Bf5 12.Bd3 Bg4 13.Rac1 0-0 14.Rfe1 Rfd8 15.Re3 Qf4 16.g3 Qh6 17.Rce1 Bd6 18.Ne5 Be5 19.de5 Nd7 20.Nb3 Ne7 21.a3 ba3 22.Ba3 Nf5 23.Re4 Qg6 24.Be2 (better is 24.Rf4!? Qh5 25.Nd4=) 24...Be2-/+ 25.R1e2 h5 26.h4 Rac8 27.Nd2?? (27.Rd2 Nb8 28.Bd6 Nc6-/+) 27...Nc5 (better is 27...Ng3 28.fg3 Qg3 29.Kf1 Qa3-+) 28.Bc5 Rc5 29.Nb3 Rc7 30.Re1? (30.Kf1-+) 30...b5! 31.c5?? Ne7 0–1. Strozyk,Aleksandra – Dwilewicz,Agata, DMP – II liga juniorow Poland, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6)

    6.Nf3 e6 7.Bd3 Nf6 8.0-0 Be7 9.c4 Qa5 10.a3 Qd8 11.ab4 Nb4 12.Be2 0-0 13.Na3 Bd7 14.Ne5 Bc6 15.Nc6 Nc6 16.Nc2 Qd7 17.Qd3 a5 18.f4 Rfd8 19.f5 e5 20.d5 (20.de5 Qd3) 20...Bc5 21.Kh1 Qe7 22.Rad1 Nb4 23.Nb4 Bb4 24.g4 h6 25.Qg3 Bd6 26.g5 Ne4 (26...hg5 27.Rg1 Nh7 28.Rge1-+) 27.Qg4 (27.Qe3!? Ng5 28.f6 gf6 29.h4+=) 27...Ng5-/+ 28.f6 Qd7 (28...gf6?! 29.h4 Qd7 30.hg5 Qg4 31.Bg4 fg5 32.Bh5+=) 29.Qh5 Qh3 30.fg7 Kg7?? (30...a4 31.Bc1 Qh5 32.Bh5-+) 31.Rd3?? (better is 31.Rf7! Kh8 32.Qh3 Nh3 33.Rd3=) 31...Qh5-+ 32.Bh5 f6 33.Rg3 (33.h4 a4-/+) 33...a4 34.h4 a3 35.Ba1 Ra4 36.hg5 hg5 37.Be2 Rh8 38.Kg2 Rh4 (better is 38...b6!?-/+) 39.Rb3= Ra7 40.Rb6 Bc5? (better is 40...Be7 41.Re6 b6+=) 41.Rbf6+- Bd4 (41...Kg8 42.Be5 b5 43.Rc6+-) 42.Rf7 Kg8 43.Bd3 Rf4 44.R7f4 gf4 45.Bd4 ed4 46.Kf3 a2 47.Ra1 Ra3 48.Ke4 f3 49.Kd4 f2 50.c5 Kf8 51.d6 Ke8 52.Bb5 Kd8 53.Kd5 Ra5 0–1. Suchsland,Helmut (1900) – Wolf,Reinhard, Hessen–ch Seniors, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    6.Nf3 e6 7.Be2 Nf6 8.0-0 Be7 9.c4 bc3 10.Nc3 Qd8 11.Qd2 0-0 12.Rad1 Nd5 13.Ne4 b6 14.Bd3 h6 15.Bb1 Bd7 16.a3 Rc8 17.Qd3 f5 18.Ng3 Qe8 19.Ne5? (better is 19.Ba2-/+) 19...Ne5-+ 20.de5 Bb5 21.Qf3 Bf1 22.Nf1 Bg5 23.Ba2 Qb5 24.Bb3 Rfd8 25.Ng3 Nf4 26.Nf5?? (26.Rd6-+) 26...Rd1 (better is 26...Ne2 27.Kh1 Rd1 28.Bd1 Nd4-+ (28...Qb2?! 29.Qb7 Qe5 30.Qc8 Kh7 31.Ne3-/+)) 27.Qd1-/+ Qc6 28.Qg4 Rf8?? (better is 28...Kh8 29.Nd6 h5-+) 29.h4?? (better is 29.Qf4! Bf4 30.Ne7 Kf7 31.Nc6+-) 29…Rf5-+ 0–1. Suchsland,Helmut (1900) – Ernst,Klaus, Hessen–ch Seniors, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    6.Nf3 Nf6 7.a3 ba3 8.Na3 Bg4 9.Be2 e6 10.h3 Bh5 11.c3 a6 12.Nc2 Be7 13.Ne3 Qd8 14.Qb3 Qc7 15.Nc4 (15.0-0 0-0-/+) 15...0-0 16.Nb6 Rad8 17.0-0 Nd5 18.Nd5 ed5 19.Rfe1 Na5 20.Qc2 Bg6 21.Bd3 Bf6 22.Bg6 hg6 23.Ba3 Rfe8 24.Re8 Re8 25.Bc1 Re4 26.Bg5 Bd4?? (better is 26...Bg5 27.Ng5 Re7-/+) 27.Nd4+/- Rd4 28.Ra5 Qa5 29.cd4 Qa1 30.Kh2 Qd4 31.Qc8 Kh7 32.Be3 (better is 32.Qb7!? f6 33.Bc1+=) 32...Qe5+= 33.g3 d4 34.Bf4 Qe4 (34...Qd5 35.Kg1-/+) 35.Qd7 (35.Qc4 f5=) 35...d3 (better is 35...f6!?+=) 36.Be3 Kg8 ½–½. Kalchev,Vasiliy – Maliutin,Alexandr, UKR–ch sf U12, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    6.c4 bc3

    7.Nc3 Qa5

    8.Bc4 Nf6 9.Nf3 e6 10.0-0 Be7 11.Qe2 0-0 12.Rad1 White has an active position (12.Rac1 Rd8+=) 12...Bb4 (12...Rd8 13.a4+=) 13.Ne4 Ne4 14.Qe4 Ne7 (14...Qf5 15.Qe2 Rd8 16.a3=) 15.a3 White threatens to win material: a3xb4 (15.d5!? ed5 16.Bd5+=) 15...Bc3= Black threatens to win material: Bc3xb2 (15...Ba3? is nothing because of 16.Ra1 Qf5 17.Qf5 Nf5 18.Ba3+- (18.Ra3?! Nd6 19.Bd3 Bd7+-)) 16.Bc1 Black has a cramped position (16.Ng5 Qg5 17.Bc3 Bd7=) 16...Qf5 Black threatens to win material: Qf5xe4 17.Qe2 Bd7 (17...Rd8=) 18.Bd3?? White threatens to win material: Bd3xf5. forfeits the advantage (better is 18.Ne5 Bc6 19.Bd3+=) 18...Qh5+= 19.Qc2 (19.Bd2 Rac8-/+) 19...Rac8 20.Qb3 (20.h3 Rfd8-/+) 20...Bc6 21.Be2 Qa5 22.Qb1 Nf5 23.Rd3? Be4-+ 24.g4 Ne7 25.Ng5 Bd3 26.Qd3 g6 27.Qh3 h5 28.gh5 gh5 29.Qh5 Qf5-/+ 30.Bg4 Qg6 31.Qh3 Bd4 32.Bf4? f5 Black threatens to win material: f5xg4 33.Bh5+= White threatens to win material: Bh5xg6 33...Qg7 34.Kh1 Ng6 35.Bd6?? gives the opponent counterplay 35...Rc3?? Black threatens to win material: Rc3xh3. Black has let it slip away 36.Qg2 Rc6 1–0. Baumert,Christian (2045) – Sabrowski,Uwe (2055), Berlin tt, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Bc4 Nf6 9.Nf3 Bg4 10.Qb3 0-0-0 11.d5 Bf3 12.gf3 Nd4 13.Qd1 e5 14.f4 (14.0-0 Ba3 15.Ba3 Qc3-+) 14...Nd5 15.Bd5 Rd5 16.0-0 Rd8 17.Rc1 Kb8 (17...ef4 18.Nb5 Nc6 19.Qg4 Kb8 20.Qf4 Kc8 21.Qf5 Kb8 22.Rc6 bc6 23.Be5 Bd6 24.Nd6+-) 18.fe5 Qe5 19.Re1? (19.Qg4 Bd6 20.f4 Qe3 21.Kh1 Rhe8-+) 19...Qf4 (19...Qe1 20.Qe1 Nf3 21.Kg2 Ne1 22.Re1-+) 20.Kh1? (20.Kg2-+) 20...Bd6 21.Qh5 Rhe8 22.Re8 Re8 23.Rd1 (23.Rf1-+) 23...Qf2 24.Na4 (24.Qh3 Qb2 25.Rf1 f6-+) 24...g6 (24...Re2 25.Qh3 Qf4 26.Bd4 Rh2 27.Kg1 Rh3 28.Rb1 Rg3 29.Kh1 Qh4) 25.Qh3 Re1 26.Re1 Qe1 27.Kg2 Qe2 28.Kh1 Qd1 29.Kg2 Qa4 30.Qh4 (30.Bd4 Qd4 31.Qf3 Qd2 32.Qf2 Qf2 33.Kf2 Bh2 34.Kf3-+) 30...Qc6 31.Kf1 Qf3 (31...Qh1 32.Kf2 Qf3 33.Kg1 Ne2) 32.Qf2-+ Qh1 (better is 32...Qh3 33.Ke1 Bb4 34.Kd1 Qd3 35.Kc1 Ne2 36.Qe2 Qe2 37.a3 Qe3 38.Kc2 Ba3 39.Ba3 Qa3 40.h4-+) 33.Qg1 Qg1 34.Kg1 Nf3 (34...Nf3 35.Kf2 Nh2-+) 0–1. Siergiej,Izabela – Kulon,Klaudia, Poland–ch U12 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 Nb4 9.Bb5 Bd7 10.Bd7 Kd7 11.Nf3 Nf6=+ 12.0-0 Rd8 13.Qb3 Ke8 14.Rad1 Nbd5 15.Ne5 e6?? 16.Qb7+- Be7 17.Nd5 Rd5?? 18.Nc6 Qc5 19.Rd5 (19.Rd5 Qf2 20.Rf2 Kf8 21.Qe7 Kg8 22.Rd8 Ne8 23.Qe8; 19.Qc8 Rd8 20.Rd8 Bd8 21.Qd8) 1–0. Winkler,Daniel – Polanyi,Peter, Bad Ragaz op (8), 1994.

    8.Nf3 e6-/+ 9.Bc4 Nf6 10.0-0 Be7 11.Re1 0-0-/+ 12.Ne4 Ne4 13.Re4 Bf6 14.Ne5=+ Rd8 15.Qg4 Qd2 16.Re2? Ne5-+ 17.de5 Qd1! 18.Rd1 Rd1 19.Re1 Re1 20.Bf1 Be7 21.Qa4= b6 22.Qc6 Rf1 23.Kf1 Ba6 24.Kg1 Rd8 25.h3 Kf8 26.Qa4+/- Bb7 27.Qa7 Bd5 28.Ba3 Ba3+/- 29.Qa3 Kg8 30.Qe7 Ra8 31.a3 h6 32.Qb4 Rb8 33.Qd6 Ra8+/- 34.Qb6 Ra3 35.Qd8 Kh7 36.Qf8 Ra7 37.Kh2 Rb7 ½–½. Staub,Pierre (1910) – Valentin,Rene (2090), Torcy op–B, 1991.

    8.d5 Nb8

    9.Bc4 e6 10.Nge2 Nf6 11.0-0 Be7 12.d6= Bd8 13.Nb5 0-0 14.Rc1 Nbd7 15.Bc3 Qb6 16.Bd4 Qa5 17.Bc3 Qb6 18.Bd4 Qa5 19.Bd3 Bb6 20.Bc3 Qa2=+ 21.Nf4 Nd5 22.Nh5 Nc3 23.Nc3 Qa5 24.Nb5 Ne5 25.Nf4 Nd3 26.Qd3 Bd7 27.Rb1 Rac8 28.Ne2 Rfd8 29.h4? Rc5 30.Nbc3 Rh5 31.g3 Qf5 32.Ne4? Bc6 33.N2c3 Qh3 34.Qc4 Rh6 35.Ne2 Rg6 36.Rb6 ab6 37.Nf4 Qh4 38.Ng6 Qe4 39.Qe4 Be4 40.Ne7 Kf8 41.Rd1 Ke8 42.Kf1 Kd7 43.Ke2 Ra8 44.Ke3 Bc6 0–1. Cierny,Lubomir – Cvicela,Anton (2030), SVK–ch Topolcianky (5), 1994.

    9.Nf3 Nf6 10.Bc4 e6 11.0-0 Be7 12.Qb3+= Qb6 13.Bb5 Kf8= 14.a4 a5 15.Rae1 Na6 16.Qa2 Nb4-/+ 17.Qb1 Nfd5 18.Nd5 Nd5 19.Qd3 Nb4 20.Qe4 Nd5 21.Rd1 Bd7 22.Qg4+= Rg8 23.Rd5 ed5 24.Qd7+- Rd8 25.Qh3 h6? 26.Ne5+- Qe6 27.Nd7 Rd7 28.Qe6 fe6 29.Bd7 Kf7 30.Re1 Bg5 31.Be6 (31.Be6 Kf8 32.Ba3 Be7 33.Be7 Ke7 34.Bd5 Kf8 35.Rc1+-) 1–0. Schlag,Franz – Mayer,H, Hessen–ch Seniors (1), 1996.

    9.Nf3 Nf6 10.Bc4 Bg4 11.h3 Bf3 12.Qf3 Nbd7 13.0-0 Qb4 14.Bb3 Nc5 15.Rab1 Nb3 16.ab3 Rd8 17.Rfe1 a6 18.Qf5 Qc5 The pressure on the isolated pawn grows 19.Rbd1 b5 20.Re5 Qd6 21.Re3 Qc5 22.Qf3 h5 23.Red3 Rh6 24.Bc1 Rg6 25.Be3 Qb4 26.Bd4 Nd7 27.Ne4 h4 28.Qf4 Nf6? 29.Bf6+- gf6 30.d6 (30.d6 ed6 31.Nf6 Rf6 32.Qb4+-; 30.Qh4?! a5+/-) 1–0. Schulz,Hans Juergen – Buckel,Andreas, Schleswig Holstein–chC, 1989. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    9.Nf3 Nf6 10.Bc4 g6 11.0-0 Bg7 12.d6 0-0 13.de7 Re8 14.Re1 Qb6 15.Bf7?? (better is 15.Rb1 Bf5 16.Ng5 Bb1 17.Bf7 Kh8 18.Be8 (18.Qb1?! Nbd7+-) 18...Ne8 19.Nf7 Kg8 20.Qd5+-) 15...Kf7= 16.Ng5 Kg8 17.Nd5 (17.Qa4 Be6 18.Nce4+/-) 17...Qb2-/+ 18.Nf6 Qf6 19.Qd5 Kh8?? (19...Be6 20.Ne6 Nc6 (worse is 20...Re7 21.Nc7 Kh8 22.Na8+/-) 21.Nd8 Kh8 22.Nf7 Kg8 23.Nd6 Kh8 24.Nf7 Kg8 25.Nd6 Kh8 26.Nf7=) 20.Nf7+- Qf7 21.Qf7 Bd7 22.Rad1 Nc6 (22...a6+-) 23.Rd7 Ne5 (23...Bc3 24.Red1 Bb4 25.Qf6 Kg8 26.Rb7 Ne7 27.Qe6 Kh8 28.Qe5 Kg8 29.Rb4+-) 24.Qe8! Re8 25.Rd8 (25.Rd8 Kg8 26.Re8 Kf7 27.Rg8 Ke7 28.Rg7 Kd6 29.Rh7+-; 25.Rb7?! Kg8+/-) 1–0. Goldsmith,Alan – Farleigh,Richard, AUS–ch Melbourne, 1982. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Bb2 Nc6 6.c4 bc3 7.Nc3 Qa5)

    9.Nf3 Nf6 10.Bc4 g6 11.0-0 Bg7 12.d6 e6 13.Nb5 Na6 14.d7 Bd7 (14...Bd7 15.Nd6 Double attack; 14...Nd7 15.Bg7 Pinning (15.Bg7 Deflection)) 15.Nd6 Ke7 (better is 15...Kf8 16.Nb7 Qb4 17.Bf6 Bf6 18.Ba6 Ba4+-) 16.Nf7 (16.Nb7?! Qb6 17.Ba3 Nb4+-) 16...Rhc8 (16...Kf7 17.Bf6 Bc6 18.Bg7 Kg7 19.Qd4 Kh6 20.Qf4 Kg7 21.Ng5+- (21.Be6?! Rhf8 22.Qd4 Rf6+=)) 17.Qd6+/- Kf7 18.Bf6 Kf6 19.Qd4 Kf7 20.Qd7 Kg8 21.Qe6 (worse is 21.Qb7 Nc5 22.Qe7 Re8-/+) 21...Kh8 22.Rae1 Nc5 23.Qd5 Rd8 (23...Rc7 24.Re3 Rf8 25.Ne5+=) 24.Qg5+= Qc7 25.h4 (25.Ne5 Be5 26.Re5 Nd7+/-) 25...Rf8 (25...Re8!?=) 26.Re7+= Qd6 27.Ne5 Be5 28.Re5 b6 29.h5 Rae8 30.hg6?? Qe5-+ (30...Qe5 31.Qe5 Re5 32.gh7 Kh7-+) 0–1. Jakubiec,Artur (2375) – Antosik,Alois, Karvina op, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    9.Nf3 g6 10.Ne5 Bg7 11.f4 Nd7 12.Bb5 a6 13.Bd7 Bd7 14.Qb3 Nf6 15.0-0 (15.d6 e6 16.Rd1+=) 15...0-0+= 16.Ba3 Rfc8 17.Rac1 Ng4 18.Nc4?? (better is 18.Be7 Ne5 19.fe5 Be5 20.Bf6 Bf6 21.Rf6+=) 18...Rc4!-+ 19.Qc4 Qa3 20.Qc7 (20.Nd1-+) 20...Bd4 21.Kh1 Nf2 22.Kg1 Nd3 23.Kh1 Nc1 24.Qd7 (24.Ne4 Bf5 25.Qc1 Qa2-+) 24...Qc3 25.Qe7 (25.Qb7 Ra7 26.Qb8 Kg7-+) 25...Nd3 (better is 25...Qc4!? 26.Qe1 Na2 27.d6-+) 26.h3 Nf2 27.Kh2 Qe3 28.Qh4 (28.Qe3 Be3 29.g3 Rd8-+) 28...Ne4 29.Rd1 (29.d6 Nd6 30.Qg4 Ne4-+) 29...h5 30.Rf1 Bf6 (30...Bf6 31.Qe1 Nd2-+) 0–1. Lenz,Helmut – Sajka,Mariusz, Ruhrgebiet VK2–chT, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Nb8)

    8.d5 Ne5

    9.Bb5 Bd7 10.Bd7 Nd7 11.Nge2 Ngf6 12.0-0 g6 13.Ng3 Bg7 14.Nce4 (14.Re1 Rd8+=) 14...0-0-/+ 15.d6 ed6 16.Nd6 b6 17.a4 Qd5 18.Rb1 Nc5 19.Nb5? (better is 19.Bf6!? Qd1 20.Rfd1 Bf6 21.Nge4-/+) 19...Qd1-+ 20.Rfd1 Na4 21.Bf6 Bf6 22.Ne4 Bg7 23.Rd7 a5 24.Rbd1 Nc5 25.Nc5 bc5 26.g3 (26.Rc7 a4-+) 26...a4 27.R1d3 c4 28.Ra3 (28.Re3 Bb2-+) 28...Bb2 29.Ra2 a3 0–1. Popov,Valentin – Bobro,Igor, Bocharov Memorial, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5)

    9.Qd4 f6 10.f4 Ng6 11.Bb5 Kf7 12.Nf3 Nh6 13.Bc4 Nf5-/+ 14.Qd2 Qc5 15.Bb3=+ Qe3 16.Qe3 Ne3 17.g3 Bg4 18.Nd4 Rc8 19.Rc1 Nc4 20.Ba1 Nd6 21.0-0 Bd7 22.h4 h5 23.Na4 Rg8 24.Nc5+= Bh3 25.Nb7!+/- Rc1 26.Rc1+- Nb7 27.d6 e6?? 28.Rc7 Ke8 29.Ba4 (29.Ba4 Kd8 30.Nc6 Ke8 31.Na7 Kd8 32.Rc8) 1–0. Knudsen,JesW (2000) – Overeem,M (2285), Politiken Cup (5), 2008.

    9.Qd4 Ng6 10.Bb5 Bd7 11.Bd7 Kd7 12.Nf3 Qa6 13.a4 Rc8 14.Nb5 Qb6 15.Qg4 Kd8 16.0-0 Nf6 17.Qf5 e6? 18.de6 fe6+/- 19.Rad1 Ke8 20.Rfe1 Rc6 21.Ng5 Bc5? 22.Ne6 Bf2 23.Qf2 Qf2 24.Kf2 Rc2 25.Kg1 Nh4 26.Ng5 (26.Ng5 Re2 27.Re2 Ne4 28.Re4 Kf8 29.Rd8) 1–0. Faccia,S (2020) – Rorato,R (2100), Venetian Autumn (4), 2006.

    9.Nf3 Nf3 10.Qf3 Bd7 11.Bc4 Rc8 12.Bb3 Nf6 13.0-0 g6 (better 13...b5!?=+) 14.d6 (14.d6 Bc6 15.d7 Kd7 16.Nd5 Nd5 17.Bh8=). Nadimifar,A (2210) - Keinanen,Toivo (2460), Titled Arena May 8th, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 bc3 7.Nc3)

    9.Nf3 Nf3 10.Qf3 Bd7 11.Bc4 Rc8 12.Bb3 g6 13.0-0 Bg7 14.Rac1 Nh6 15.Rfe1 0-0 (better is 15...Nf5!?+=) 16.Re7+= Bg4 17.Qd3 Qb4 18.Ree1 Rfe8 19.Qd2 Re1 20.Qe1 a5 21.h3 (21.Na4 Qe1 22.Re1 b5=) 21...Bd7 22.Ba1 Nf5 23.Bd1 h5 24.Bf3 Nd4 25.Be4 Nf5 26.Bf3 Nd6 27.Ne2 Rc1 (27...Qe1!? 28.Re1 Rc2 29.Bg7 Kg7+=) 28.Qc1= Bf5 29.Bg7 Kg7 30.Qc3 (30.Qa1 Kg8+=) 30...Qc3= 31.Nc3 b5 32.Kf1 Kf6 33.Ke1 (33.g4 hg4 34.hg4 b4-/+) 33...Ke5 (33...b4 34.Ne2-+) 34.Kd2 (34.g4!? hg4 35.hg4-/+) 34...b4-+ 35.Nd1? (35.Ne2 h4-+) 35...Be4?? (better is 35...Bb1 36.Ne3 Ba2-+) 36.Be4-/+ Ne4 37.Kd3 Kd5 38.Ne3 Ke5 39.Nc4 Kf5 40.f3 Nc5 41.Kd4 Ne6 (41...Ne6 42.Ke3 a4-+) 0–1. Bohley,Donald – Ward,Tom, Lansing–ch MI op, 1987. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5)

    9.Nf3 Nf3 10.Qf3 Bd7 11.Bd3 Rc8 12.Rc1 g6 13.0-0 Bg7 14.Be2 Qb4 15.Ba1 Nh6 16.Ne4 Ba1 17.Ra1 Bg4?? 18.Qd3?? Bf5=+ 19.Qb5 Qb5-/+ 20.Bb5 Bd7 21.Bd7 Kd7-/+ 22.Rab1 b6 23.f3 Nf5 24.g4 Ne3-+ 25.Rfe1 Nc4 26.Kf2-/+ Nd6 27.Nd6 Kd6 28.Kg3 Rc5 29.Rbd1 Re8 30.h3 Rd5 31.Rd5 Kd5 0–1. Semrl,Marjan – Sveshnikov,Vladimir (2000), Bled opJ, 1997.

    9.Nf3 Nf3 10.Qf3 Nf6 11.Bb5 Bd7 12.Bd7 Nd7 13.0-0 h5 14.Ne4 (14.Rac1 Rd8=) 14...Qd5 15.Rfd1 Qb5 16.Rab1 Qc6 17.Rbc1 Qb5 18.Rb1?? (better 18.Ng5! f6 19.Ne6+-) 18...Qc6= 19.Re1 (19.Rbc1 Qb5 20.Ng5+-) 19...Rh6 20.Rbc1 Qd5 21.Red1 Qa2 (21...Qb5 22.Ng5 Nf6 23.Rc7+=) 22.Ng5 (22.Qd3 Qa4 23.Rc4 Qd1 24.Qd1+-) 22...Rd8?? (better 22...Rb6 23.Qf5 Rd6 24.Rd6 ed6 25.Qe4 Be7+/-) 23.Ra1+- Qc4 24.Rd4 (24.Ra7?! Rc8+=) 24...Ne5 (24...Rf6 25.Rc4 Rf3 26.Nf3+-) 25.Rd8 (25.Rc4?! Nf3 26.Nf3 Ra6=) 25...Kd8 26.Be5 Rc6 27.Nf7 (better 27.h3!? Ke8 28.Ra7 Qc1 29.Kh2 Qg5 30.Ra8 Kd7 31.Qd5 Rd6 32.Qb7 Ke6+-) 27...Ke8 28.Nd8! Qc1 (28...Kd8 29.Rd1 Double attack (29.Qf8 Discovered attack; 29.Qf8 Deflection)) 29.Qd1 Qd1 30.Rd1 Rb6 31.Bc7 (31.f4 g6+-) 31...Rb2 32.Ne6 Kf7 33.Ng5 Kg6 (33...Kg8 34.f4 Rc2 35.Be5+-) 34.h4 (34.f4 Rc2 35.Be5 Rc8+-) 34...e5 35.Be5 Bc5?? (35...Rb5 36.Bd4 a5+-) 36.Bb2 1-0. Nadimifar,A (2210) - Yilmaz,M (2630), Titled Arena May 8th, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    9.f4 Nd7 10.Nf3 (10.Be2 Qb6 11.Bc1 g6=) 10...g6 (10...Ngf6 11.Ne5=) 11.Qd4 (11.d6 ed6 12.Qd5 Qb4+/-) 11...Ngf6 12.Ne5 (12.Bb5!?=) 12...Bg7+= 13.Nc4 (13.d6 0-0 14.de7 Re8-/+) 13...Qd8 (13...Qc5!? 14.Qd3 b5 15.Nb5 0-0-/+) 14.d6 0-0 15.0-0-0 (15.Be2!?+=) 15...e6 16.Be2 Nd5 (16...b5 17.Ne5 Ne5 18.fe5-+) 17.Qg7-+ Kg7 18.Nd5 f6?? (18...e5 19.fe5 Kh6+=) 19.Nc7= Nc5 20.Na8 b5 21.Ne3 Qa5 22.Kb1 Bb7 23.Nc7 Be4 24.Nc2 Qb4?? 25.Bd3+- Bd3 26.Rd3! Qe4 27.Rf3 Kf7? 28.Re1+- Qc6 29.Ne6! Re8 30.Rfe3 Qd6 31.Ng5! fg5 32.Re8 Nd3 33.R1e7! Qe7 34.Re7 Ke7 35.fg5 a6 36.Bf6 Ke6 37.Ne3 a5 38.Kc2 Nf2 39.g3 Ne4 40.Kd3 Nc5 41.Kc2 Ne4 42.Bd8 a4 43.a3 Kd7 44.Bf6 Ke6 45.Kd3 Nd6 46.Kc3 h6 47.Kb4 hg5 48.Bg5 1–0. Schneider,Georg (2080) – Becking,Alfred (2070), GER–chT Seniors, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5)

    9.Qd4 Nd7

    10.Bb5 a6!? 11.Bd7 Bd7 -/+.

    10.Bb5 Ngf6 11.Nf3 a6 12.Ba4 b5 13.Bb3 Qb6 14.Qh4 Bb7 (14...Nc5 15.0-0-/+) 15.Rc1 (15.Rd1 Ng8+=) 15...Rc8 (15...a5!? 16.a4 Nc5 17.Nb5 Nb3 18.Nc7 Kd8 19.Na8 Ba8+=) 16.0-0+= Nc5 17.Ne5 (17.Qd4 h5+=) 17...Nb3 18.ab3 Qd6 19.Ne4 Ne4 (19...Qd5!? 20.Rc8 Bc8=) 20.Rc8+= (20.Qe4 Rd8-/+) 20...Bc8 21.Qe4 Bb7 22.Rc1 f6 23.Nc6 e5? (better is 23...g6+= and Black is still in the game) 24.f4+- Kf7?? Black crumbles in face of a dire situation (24...f5 25.Qe5 Qe5 26.fe5 g6+-) 25.fe5 fe5 26.Be5 Qd7 27.Bd4 Bd6 28.Rf1 Kg8 29.Nd8!! Mate attack 29...Bc8 30.Ne6 h5 31.Bg7 Rh7 32.Bd4 Rh6 33.Qh4 Qe8 34.Qf2 Be6+= 35.de6 Qe6?? 36.Re1 White threatens to win material: Re1xe6 36...Qf7+/- 37.Qc2 Bc7 38.Qe4 Rd6 39.Qe5 Rh6 40.Qe4 Twofold repetition 40...Rd6 41.Qe5 Rh6 ½–½. Groesman,Gustavo – Ferrara,Alexis (2225), Torre Blanca Aug, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5 9.Qd4 Nd7)

    10.Bc4 Ngf6 11.0-0-0 g6 12.Qe3 Bg7 13.f3 Nb6 14.Bb3 Bf5 15.d6 e5 16.g4 Bd7 17.Kb1 0-0 18.h4 Rfe8 19.h5=+ Be6 20.hg6 hg6 21.Be6 Re6 22.Qe2 Rc8 23.g5 Nh5 24.Ne4 Nd5 25.Qd2= ½–½. Bravo Lutz,Sebastian – Preusser,Gernot, Kassel op (5), 1998.

    10.Nf3 Ngf6

    11.Bb5 a6 12.Ba4 (12.Be2+=) 12...g6 (better is 12...b5!? 13.Bb3 Bb7+=) 13.d6 b5 14.Bb3 Bb7 (14...ed6 15.0-0 Bb7 16.Rfe1 Kd8 17.Ng5+-) 15.0-0 (15.Ng5 e6 16.0-0=) 15...e6? (15...Bf3 16.gf3 A) 16...ed6?? 17.Rfe1 Kd8 18.Ne4 Ne4 19.Qe4+- (19.fe4?! f6+-); B) 16...e5+/-) 16.Nd5+/- Bd5 17.Bd5 Rd8 (17...ed5?? 18.Rfe1 Kd8 19.Ne5+-) 18.Bc6 (better is 18.Bc3 Qa4 19.Qa4 ba4 20.Bc6+/-) 18...Rg8?? (better is 18...Bg7 19.Ne5 0-0 20.Nd7 Rd7 21.Bd7 Nh5+/-) 19.Qh4 (19.Qf6 Bd6 20.Ne5 Rf8 21.Nd7 Rd7 22.Bd7 Kd7+-) 19...Nh5 20.Ne5 Qb6 21.Bd4 Qb8 22.Nd7 Rd7 23.Bd7 Kd7 24.Bc5 Qd8 25.Qe4 Qc8 26.Rac1 Bh6 27.Be3 Qf8 28.Qc6 (28.Qc6 Kd8 29.Qc8) 1–0. Knudsen,JesW (1890) – Pedersen,Sven2 (2120), Borup DEN, Skovbo Open, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5)

    11.Bb5 a6 12.Bd7 Bd7 13.0-0 Rd8 14.Rfe1 Bc6 15.Qh4 Bd5 16.Nd5 Nd5 17.Qh5 Qb6 18.Ne5 g6 19.Qf3 f6 20.Nc4 Qc6 21.Rac1= Bh6?? 22.Ne3+- Qd6 23.Nd5! Bc1 24.Nf6 Kf7 25.Ne4 Qf4 26.Qb3 Kf8 27.Bh8 (27.Bh8 Bd2 28.Re2+-) 1–0. Euler,Gerd (2415) – Gauglitz,Gernot (2410), BL2–Ost, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5 9.Qd4 Nd7)

    11.Bb5 g6 12.d6+/- a6 13.de7 Be7=+ 14.0-0 ab5-/+ 15.Nd5 Nd5 16.Qh8-/+ Nf8 17.Rfe1 Be6 18.Bg7 0-0-0-+ 19.Bf8 Bf6 20.Rac1-/+ Kb8 21.Bd6 Ka8 22.Qf6=+ Nf6 23.Bc7 Qe1 24.Re1 Rc8 25.Be5 Nd7 26.Bd6 Rc6 27.Be7 Ba2 28.Nd4 Ra6 29.Nb5 Ra5 30.Nc7 Ka7 31.Bb4 Ra4 32.Bd2 Kb6-/+ 33.Ne8 Kc6 34.h3 b5 35.Ra1 Be6 36.Rb1 Ra8 37.Rc1 Bc4 38.Re1 Ra2 39.Bb4 Ra4 (39...Ra4 40.Be7 Nc5-+) 0–1. Mestrovic,M (2105) – Martinovic,Sa (2425), 14th Open, Bosnjaci CRO, 2009.

    11.Bc4 a6 12.0-0 b5 13.Bb3 Qb6 14.Rfe1 (14.Qf4 Bb7=+) 14...Qd4 15.Nd4 Nc5 16.Rad1 (16.Ba3 Nb3 17.ab3 Bb7=+) 16...Nb3 (16...Bd7 17.d6=+) 17.ab3 b4 (17...Bb7 18.Nf5 Kd7 19.Ne4 Ne4 20.Re4=+) 18.Ne4= Ne4 (worse 18...Nd5 19.Nd6 Kd7 20.Nf7+-) 19.Re4 Bd7 (19...a5 20.Nc6=) 20.Rc1 (20.Nc6 Bc6 21.dc6 e6+=) 20...h5 (20...a5 21.Nc6=+) 21.Nc6= Rh6 (21...e6 22.Nb4 Bb4 23.Rb4 ed5 24.Bg7=) 22.Nb4 (22.Ne7!? Be7 23.Rce1=) 22...Rb6=+ 23.h4 (23.Ba3!?=+) 23...a5 24.Ra1 (24.Nc6 Rb3 25.Ba1 e6-/+) 24...Rab8 (better 24...Bf5 25.Re5 Rb4 26.Rf5 Rb3-+) 25.Ra5? (better 25.Nc6 Bc6 26.dc6 Rb3 27.Be5 Rb1 28.Rb1 Rb1 29.Kh2=+) 25...f5-+ (25...Rb4?? 26.Rb4 Rd8 27.Rb7+-) 26.Re3 (26.Rc4 Rb4 27.Be5 R4b5-+ (27...Rb3?! 28.Bb8 Rb1 29.Kh2 Rb8 30.g3-+)) 26...Rb4 27.Be5 R8b7 (27...Rb3?! 28.Bb8 Rb8 29.Re1-/+) 28.Ra8 Kf7 29.g3 (29.Rd8 R4b5-+ (29...Rh4?! 30.f4-+)) 29...R4b5 30.Rd3 White plans d6 (30.Kf1 Rd5 31.Bf4 e6-+) 30...Rb3 (30...e6 31.de6 Be6 32.Bd6 Bd6 33.Rd6-+) 31.Rb3 Rb3 32.Ra7 (32.Rd8 Bb5-+) 32...Bc8 33.f3 (33.Ra5 Rd3-+) 33...Bb7 34.d6 (34.Ra5 Rd3 (worse 34...Rf3 35.g4-+) 35.Kf2 Rd2 36.Ke3 Rd5 37.Rd5 Bd5-+) 34...ed6 35.Bd4 (35.Bf4 Ke6-+) 35...Be7 36.Kh2 (36.Kf1 Rf3 37.Ke2 Be4-+) 36...Bf3 37.Bg7 Kg7 38.Re7 Kf6 39.Re1 Rb2 40.Kg1 d5 0–1. Rusan,Paul_Cristian (2280) – Mures,Cristian (2235), CAMPIONATUL NATIONAL PE ECHIPE, 2010. (=1.e4 c5 2.b4 d5 3.ed5 cb4 4.Bb2 Qd5 5.d4 Nc6 6.c4 bc3 7.Nc3 Qa5 8.d5 Ne5 9.Qd4 Nd7 10.Nf3 Ngf6)

    11.Bc4 a6 12.0-0 Qb6 13.Qd2 Qc7 14.Bb3 Nc5 15.Rfe1 Nb3 16.ab3 e6 17.Rad1 Bb4 18.d6 Qd8 19.Qf4 Bc3 20.Bc3 0-0? 21.Re5?? Nd5=+ 22.Rdd5 ed5 23.Re7 f6 24.Qg3 Rf7 25.Bf6 Qf8 26.Bh4 Bd7 27.Ne5 Re7 28.Be7 Qf5 29.h3 Be8 30.Qe3 Qe6 ½–½. Rothmund,J – Gauer,M, St Petersburg op, 1992.

    11.Bc4 g6 12.0-0 Bg7 13.d6 e5 14.Bf7+= Kf8 (14...Kf7 15.Ng5 Combination) 15.Qc4 Nb6 16.Qb3 Bd7? (16...e4 17.Nd4 Bd7 18.Ne6 Be6 19.Be6+- (worse 19.Qe6 Ng8 20.Bg8 Qf5+-)) 17.Rfe1 (17.Ng5 e4 18.Bg6 Nfd5 19.Be4 Bc3 20.Bd5 Nd5 21.Bc3 Qc3 22.Qd5 Qf6+-) 17...Nh5? (better 17...Ng4+-) 18.Ng5 Rc8 (18...Nf4 19.Bg8!! Be8+-) 19.Bg6! Nc4 (19...hg6 20.Qf7 Mate attack) 20.Bh5 (20.Qb7?! Nf6 21.Nce4 Qb5 22.Qb5 Bb5+-) 20...Bf6 (20...Qb6 21.Qd1 Qd8 22.Nce4+-) 21.Nge4 (21.Qb7 Nb6 22.Qf3 Kg7+-) 21...Bd8 (21...Bh4 22.Qb7 Rd8 23.Rad1+-) 22.Nb5! Be6 (22...Qb5 23.Qf3 Mate attack; 22...Bb5 23.Qf3 Double attack) 23.Qf3 Kg7 24.Qg3 Kh6 25.Be5 (better 25.Bc1 Kh5 26.Bd2 Nd2 27.Qe5 Kg6 28.Qe6 Kg7 29.Qg4 Kf8 30.Qc8 Nf3 31.gf3 Rg8 32.Ng3 Rg3 33.hg3+-) 25...Kh5 (25...Rg8 26.Qf3 Qb5 27.Bf4 Kg7 28.Qc3 Ne5 29.Qe5 Qe5 30.Be5 Kh6+-) 26.Bh8 (26.Qg7 Qa3 27.Bf6 Qe3 28.fe3 Bf6 29.Nf6 Kh4 30.Qg3) 26...Qb5 27.Rab1 (27.Qg7 Bg8 28.Ng3 Kh4 29.Re4) 27...Qf5+- 28.Bd4 (28.Bd4 Bh4 29.Rb7 Bg3 30.Ng3 Kg5 31.f4 Kf4 32.Rg7+-) 1-0. Rusan,P (2105) - Zarubitski,Viachaslau (2440), Titled Tuesday 1st June, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    11.Bc4 g6 12.0-0= Bg7 13.Rfe1 0-0 14.Re7 Ne8 15.Qd2+= Nd6 16.Bb3 Nc5 17.Nd4 Bf5 18.Ree1 ½–½. Knudsen,Jes – Jensen,Christine (2010), Greve EMT (2), 1999.

    7.Nc3 Qd4??

    8.Nd5+- Qd1 9.Rd1 Bd7 10.Nc7 Kd8 11.Na8 e6 12.Bb5 Nge7 13.Nf3 f6 14.0-0 Kc8 15.Nd4 Nd5 16.Rc1 Bd6 17.Rfd1 Rd8 18.g3 Kb8 19.Bc6 bc6 20.Rc6 Be5 21.Ne6 (21.Ne6 Bc6 22.Nd8 Ba8 23.Be5 fe5 24.Ne6+-) 1–0. Jakubiec,Artur (2455) – Bromberger,Stefan (2310), Tavasz Kecskemet (4), 1997.

    8.Nd5+- Qd1 9.Rd1 Kd8 10.Nb6 Kc7 11.Na8 Kb8 12.Bb5 f6 13.Ba3 Nh6 14.Bc5 (better is 14.Bc6 bc6 15.Rd8+-) 14...e5= 15.Bf8 Rf8 16.Ne2 Ka8 17.Bc6 bc6 18.f3 Kb8 19.g4 Kc7 20.Nc3 Nf7 21.h4 h5 22.gh5 Nh6 23.Rg1 Nf5 24.h6 gh6 25.h5 Bd7 26.Ne4 Be8 27.Nc5 Bf7 28.Nd7 Rd8 29.Nf6 Rd6 30.Rd6 Kd6 31.Kf2 Ke6 (31...Ba2? 32.Ne4 Ke7 33.Ra1+-) 32.Ng4 Bh5 33.Re1 Bg4 34.fg4 Nd4 (34...Nd6!?+/-) 35.Rh1+- Kf6 (35...Kd5!?+-) 36.Rh6 Kg5 37.Rh5 Kg4 38.Re5 Kf4 39.Ra5 Ke4 40.a4 Kd3 (40...a6 41.Ra6 Kd5 42.Rb6+-) 41.Ra7 Kc4 42.Rb7 c5 (42...Ne6+-) 43.a5 Kd5 44.a6 Kc6 (44...Nc6 45.Ke3+-) 45.Rb1 (45.Rb1 Ne6 46.a7+-) 1–0. Raider,E (1975) – Djordjevic,Lazar (1850), 105 Jahre FC St. Pauli Op, 2015. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 bc3)

    8.Nd5+- Qd1 9.Rd1 Kd8 10.Nb6 Kc7 11.Na8 Kb8 12.Bb5 Nf6 13.Bc6 bc6 14.Rd8 Nd7 15.Nf3 e5 16.0-0 Ka8 17.Rc8 Kb7 18.Re8 Nf6 19.Re5 Bd6 20.Rg5 Nd5 21.Rg7 Ka6 22.Rf7 Rg8 23.Be5 Bc5 24.Rb1 Bb6 25.Rh7 Rg4 26.h4 Re4 27.h5 Re2 28.Bd4 c5 29.Be3! Ne3 30.fe3 Re3 31.Re1 Rd3 32.Re6 c4 33.Kf1 Rd1 34.Ne1 Rd2 35.Rf7 Kb5 36.h6 c3 37.Rf5 Kb4 38.h7 Rd8 39.Re4 Ka3 40.Rg4 Rh8 41.Rf7 Kb2 42.Rg8 Bd4 43.Rh8 Bh8 44.Ra7 c2 45.Nc2! Kc2 46.Ra8 (46.Ra8 Bg7 47.g4+-) 1–0. Picco,R – Zsamboki,A, Porz op28 (9), 1992.

    8.Nd5+- Qd1 9.Rd1 Kd8 10.Nb6 Kc7 11.Na8 Kb8 12.Nf3?? f6 13.Bb5 e5 14.0-0 Ka8? 15.Bc6+- bc6 16.Rd8 Ne7 17.Rb1 g5 18.Ba3 (18.Ba3 Bg7 19.Rh8 Bh8 20.Be7+-) 1–0. Unciti Juan,J (2095) – Martin Sanchez,Fernando, VI Pablo Gorbea Mem (1), 2002.

    8.Nd5+- Qe4 9.Be2 Bd7 10.Nc7 Kd8 11.Na8 e5? 12.a3 Qg2 13.Bf3 Qg6 14.Ne2 e4+/- 15.Rg1 ef3 16.Rg6 hg6? 17.Nd4 Kc8 18.Nc6 Bc6 19.Be5 Nf6 20.Qd4 Nd7 21.Rc1 Ba3 22.Rc6! bc6 23.Qa7 Bb4 24.Kf1 Kd8 25.Bc7 Ke8 26.Qe3 Kf8 27.Qd4 Rh5 28.Qb4 Kg8 29.Ke1 Nc5 30.Qb8 Kh7 31.Nb6 Ne4 32.Qd8 Rg5 33.Bg3 Nf6 34.Nd7 Rf5 35.Ne5 Nh5 36.Nc6 Rc5 37.Nd4 Rc3 38.Kd2 Ra3 39.Qd5 Nf6 40.Qf7 Ne4 41.Kc2 Rc3 42.Kb2 Rc5 43.Ne6 Rb5 44.Ka3 (44.Ka3 Rb3 45.Ka2 Rb7 46.Qb7 Kh6 47.Qg7 Kh5 48.Qh7 Kg4 49.Qh4 Kf5 50.Nd4) 1–0. Schulz,Han (2010) – Sechting,M (2120), 12th IHEM, Hamburg GER, 2009.

    8.Nd5+- Qe4 9.Be2 Bd7 10.Nc7 Kd8 11.Na8 e5 12.Nf3 Bb4 (12...Qb4 13.Qd2 Qd2 14.Kd2+-) 13.Kf1 Nf6 14.Rc1 Ba5 (14...Re8+-) 15.Qd6 (15.Qb3!? Ke7 16.Ba3 Ke8 17.Qb7 Qa4+-) 15...Re8? (15...Bb4 16.Qd3 Qd3 17.Bd3 Bd6+/-) 16.Bd3 (16.a3 Qf5+-) 16...Qd5 (16...Qb4 17.Qb4 Nb4 18.Be2+- (18.Ne5?! Nd3 19.Nd3 Bb5+/-)) 17.Qd5 Nd5 18.Bc4 Nf4 19.Bf7 Re7 20.Bc4 e4 21.Nd4 (21.Ng5 Nd3 22.Rb1 Nb2 23.Rb2 Kc8+-) 21...Ne5? (21...Nd3 22.Bd3 ed3 23.Nf3+-) 22.Bb5 (better 22.Ba3 Re8 23.Nb3 Nc4 24.Rc4+-) 22...Ned3 23.Bd7?? (better 23.Bc3 Nc1 24.Ba5 b6 25.Nb6 ab6 26.Bb6 Ke8 27.Bc4+=) 23...Rd7=+ 24.Rc4?? (better 24.g3 Nb2 25.Nb3=+) 24...Nb2-+ 25.Rc1 Rd4 26.g3 Nfd3 27.Rc2 Kd7 (27...Nc4 28.Ke2 Kc8 29.Rb1-+) 28.Kg2 (28.Ke2 Nc4 29.Rd1 b5-+) 28...Nc4 29.Rb1 (29.Rf1 Ne1 30.Re1 Be1-+) 29...Kc6 (29...Kc8 30.Kg1 Kb8 31.Rb5-+) 30.a4 (30.f3 e3-+) 30...a6 (better 30...b6-+) 31.Rb3 (31.f3 ef3 32.Kf3 Nde5 33.Kg2-+) 31...Ne1 32.Kh3 Nc2 0-1. Rusan,P (2105) - Gutenev,A (2460), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 bc3 7.Nc3)

    8.Nd5+- Qe4 9.Ne2 f6 10.Nc7 Kf7 11.Na8 Nb4 12.Rc1 (better 12.Kd2 e5 13.Rc1 Qd3 14.Ke1 Qd1 15.Rd1 Na2 16.Nc3+-) 12...Nd3= 13.Kd2 Nc1? (13...Nf2!? 14.Qc2 Qc2 15.Rc2 Bf5=) 14.Kc1 (14.Qc1 Bd7+/-) 14...e5 15.Nc3 Qf4 16.Qd2 Qd2 17.Kd2 Bd6 18.Bc4 Be6 19.Be6 (19.Nb5 Bb8 20.Be6 Ke6+/-) 19...Ke6 20.Nb5 Ne7 21.Nac7 Kd7 22.Nd6 Kd6 23.Nb5 Ke6 24.Ke2 Rc8 25.Rc1 Rc1 26.Bc1 a6 27.Nc3 b5 28.a3 Nc6 29.Be3 f5 30.g3 Na5 31.Kd3 (31.h3 Nc4 32.Bc5 e4+=) 31...Kd6 32.f3 Nc4 33.Bc1 Na5 34.h4 g6 35.a4 (35.Bh6 Nc4+/-) 35...Nb3 (35...b4 36.Nd1+=) 36.Ba3 Kc6 37.ab5 ab5 38.Na2 Kd5 39.Nb4 Ke6 40.Nc6 Kd5 41.Ne7 Ke6 42.Nc6 Kd5 43.Nb4 Ke6 44.f4 Nc5 45.Ke3 Ne4 46.Nd3 ef4 47.Nf4 Kd7 (47...Ke5 48.g4 Ng3 49.Bb2 Kd6+-) 48.g4!+- Nf6 (48...fg4 49.Ke4 Deflection) 49.gf5 gf5 50.Kd4 Ng4 51.Kc5 Ke7 52.Kb5 Kf6 53.Bb2 Kf7 54.Kc4 Nh2 55.Kd3 Nf3 56.Ke3?? (better 56.h5+-) 56...Nh4= 57.Kf2 Ng6 58.Kg3 Ne7 59.Bc3 Nc6 60.Nd5 Ke6 61.Ne3 (61.Nf6 h6=) 61...Ne7=+ 62.Kf4 Attacks the isolani on f5 62...Ng6 63.Kg5 f4 64.Ng4 f3 (64...Kd5 65.Nf2=) 65.Be1 (65.Nh2 f2=) 65...Kd5 66.Bf2 Ke4 67.Nh2 Nf4 68.Nf3 Kf3 69.Kh6 Ne6 70.Kh7 Nc5 71.Kg6 Ne4 72.Kg7 Nd2 73.Kg8 Nf1 74.Kh8 Nh2 75.Kg8 Ng4 76.Kh8 Ne5 77.Kg7 Ke4 78.Kh6 Kf5 79.Kh7 Ng4 80.Kh8 Nf6 81.Be3 Ne4 82.Bf4 Kg6 83.Bg5 Nd6 84.Bh6 Nf7 85.Kg8 Ne5 86.Kf8 Nc6 87.Ke8 Nd4 88.Kd8 Nf5 89.Kc8 Nd6 90.Kc7 Nf7 91.Kc6 Ne5 92.Kc5 Nd3 93.Kc4 Kf5 94.Kb3 Nf2 95.Kc3 Ng4 96.Kd2 Ne5 97.Ke2 Ng6 98.Ke1 Ne7 99.Kd1 Nd5 100.Ke1 Nc3 101.Kf1 Ne4 102.Kg1 Kg4 103.Kh1 Kf3 104.Kh2 Nf2 0-1. Nadimifar,A (2210) - Atabayew,S (2425), Titled Arena May 8th, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    7.Nc3 Qd8

    8.d5 Nb8 9.Bb5 Bd7 10.Qa4 Na6 11.Bd7 Qd7 12.Qd7 Kd7 13.Nf3 Nf6 14.0-0 g6 15.Ng5 Bg7 16.Nf7 Rhc8 17.Ne5 Ke8 18.Rae1 Nc5 19.Re3 Nfd7 20.f4 Nb6 21.d6?? (better is 21.Rh3 h6 22.Ng6+/-) 21...ed6-/+ 22.Ng6 Kd8 23.Ne5 (23.Ne7!? Bd4 24.Nf5 Be3 25.Ne3-/+) 23...de5 24.Nb5 (24.Rg3 Bh8 25.Nb5 Nc4 26.Be5 Ne5 (26...Be5?! 27.fe5 Kd7 28.Rg7 Kc6 29.Nc7 Rc7 30.Rf6 Kd5 31.Rc7=) 27.fe5 Kd7 28.Rd1 Ke6-+) 24...Nc4 (better is 24...ef4 25.Re2 Bb2 26.Rb2-+) 25.Rg3 Nb2 (better is 25...Bh8 26.Be5 Ne5 (26...Be5?! 27.fe5 Kd7 28.Rg7 Kc6 29.Nc7 Rc7 30.Rf6 Kb5 31.Rc7=) 27.fe5 Ke7-+) 26.Rg7-/+ Ne6 27.Rh7 Nd3?? (better is 27...ef4 28.Rb1 Nd3+=) 28.fe5+- a6 (28...Ne5?? 29.Rd1 Ke8 30.Nd6 Kf8 31.Nc8+-) 29.Nd6 b5 (29...Rc7 30.Rh8 Kd7 31.Ra8+-) 30.Nb7 (better is 30.Rh8 Kc7 31.Rf7 Kb6 32.Nc8 Kc5+-) 30...Ke8 31.Nd6 Kd8 32.Rh8 Kd7 (32...Kc7 33.Rf7 (33.Rc8 Rc8 34.Rf7 Kb8 35.Nc8 Kc8+-; 33.Nc8?! Rc8 34.Rf7 Kb8 35.Rc8 Kc8+-) 33...Kb6 34.Nc8 Kc5 35.Rf6+-) 33.Rf7 (better is 33.Nc8 Kc6 34.Rf6 Rc8 35.Rc8 Kd5+-) 33...Kc6 34.Nc8 (worse is 34.Rc8 Rc8 35.Nc8 Ne5+-) 34...Kc5 35.Rd7 Ne5 (35...Ndf4 36.Re8 Nd4 37.Kf2+-) 36.Re7 Ng6 37.Rh5 (37.Re6?! Nh8 38.Ne7 b4+-) 37...Kd4 38.Re6 Nf4 (38...Rc8 39.Rg6 Rc1 40.Kf2 Rc2 41.Kf3 Ra2 42.Rg4 Kd3 43.Rd5 Kc3 44.Rc5 Kb2 45.h4 Ra3 46.Kf2+-) 39.Rh4 Kd5 (39...Rc8 40.Rf4 Kd3 41.Ra6+-) 40.Nb6 (40.Nb6 Ke6 41.Na8+-) 1–0. Spelec,D (1920) – Acimovic,Vasja (1730), Slovenia Open, 2015. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    8.d5= Nb8 9.Nf3+= Nf6 10.Bb5 Bd7 11.0-0 Qa5 12.Bc4 Na6 13.Re1 b5 14.Bb3 Nc5 15.Ne5 b4 16.Nd7 Nfd7 17.Ne4+- Ne4 18.Re4 Nc5 19.Re3 Rd8 20.Bc4 Na4 21.Qe2 f6 22.Re1 e5 1–0. Gvozdenovic,Savo – Mijovic,A (2140), Sozina Open Bar SCG, 2006.

    8.d5 Nb8 9.Nf3 Nf6 10.Bb5 Bd7 11.0-0 g6 12.Re1 Bg7 13.Ba3 Ng8 14.Rc1 a6 15.Bf1 (15.Bd7 Qd7 16.Ne4+-) 15...e6?? (better is 15...b5+=) 16.Ne4+- Ne7 17.Nd6 Kf8 18.Nf7! Kf7 (18...Qa5 19.de6 Qa3 20.ed7 Nbc6+-) 19.de6 Be6 (19...Ke8 20.ed7 Nd7 21.Be7 Qe7 22.Re7 Ke7 23.Qe2 Kd8+-) 20.Ng5 Ke8 21.Qd8 Kd8 22.Ne6 Kd7 23.Rc7 (23.Rc7 Ke8 24.Re7) 1–0. Jurica,Peter (2150) – Straka,Josef Jr, Piestany op, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    8.d5 Nb8 9.Nf3 Nf6 10.Bb5 Nbd7 11.0-0 a6 12.Qa4 Rb8 13.Rfe1 ab5 14.Nb5 e6 15.d6 Qb6 16.Bd4+- Qc6 17.Rac1 Nb6 18.Qb3 Qd7 19.Ne5 (19.Ne5 Nbd5 20.Nd7 Kd7 21.Bf6 Nf6 22.Qa4+-) 1–0. Mueller,Klaus Uwe – Aronin,Lev Solomonovich, EU–ch Railways USIC, 1968.

    8.d5 Nb8 9.Nf3 Nf6 10.Bb5 Nbd7 11.0-0 a6 12.Qa4 Rb8 13.Rfe1 Qb6 14.Rad1 ab5 15.Nb5 Nd5 (15...Ng4 16.Bd4 Qg6+/-) 16.Rd5+- e6 17.Be5 (better is 17.Qf4 Bc5 18.Rd7 Bf2 19.Kh1+-) 17...Bc5+/- 18.Rc5 Nc5? (better is 18...Qc5 19.Nd6 Kf8 20.Nf7 Kf7 21.Qf4 Ke7+/-) 19.Nd6+- Ke7 20.Qf4 f6 21.Nf5!! Kf7 22.Ng5! Kg8 23.Nh6 Kf8 24.Bf6 Nd3+= 25.Bg7! Kg7 26.Qf7 Kh6 27.Qf6 Kh5 28.g4! Kg4 29.Re4 Kh5 30.Rh4!! Kh4 31.Nf3 (31.Nf3 Kg4 32.h3 Kh3 33.Qh4) 1–0. Faccia,Sergio (2035) – Mrdja,Milan (2405), Porto San Giorgio op, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    8.d5 Ne5 9.Nb5 Ng6?? (9...Ng4 10.Rc1 Qa5 11.Bc3 Qb6+/- (11...Qa2?? 12.Rc2 Qb3 13.Nd6 Kd7 14.Nf7+-)) 10.Rc1+- Qa5 11.Bc3 Qd8? (11...Qb6 12.d6 ed6+-) 12.Bd2 Nf6 (12...f6 13.Nc7 Kf7 14.Na8 e6 15.de6 Be6+-) 13.Nc7 Qc7 14.Rc7 Ne5 (14...Kd8 15.Rc1 Bf5 16.Nf3+-) 15.Bf4 Ng6 16.Bb5 Kd8 17.Bg3 Ne4 18.Qc1 (better is 18.Rc1!? Nd6 19.Bd6 ed6+-) 18...Bf5 (18...Ng3 19.hg3 a6+-) 19.Rd7! (19.Rd7 Bd7 20.Qc7 Ke8 21.Qd7) 1–0. Pivovarov,Michail (1960) – Giaracuni,Claudio (1780), Arco op Arco di Trento, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    8.d5 Ne5 9.f4 Ng6 10.Nf3 Nf6 11.Rc1 a6 12.Qb3 Bd7 13.a4 Nf4 14.Ne5 e6 15.Nd7 Qd7 (worse is 15...Kd7 16.Qb7 Ke8 17.de6 fe6 18.Ba6 Ra6 19.Qa6 Nd3 20.Ke2 Nc1 21.Rc1+=; 15...Nd7?! 16.de6 Ne6 17.Be2-+) 16.Nb5? (better is 16.de6 Qe6 17.Qe6 Ne6 18.g3-+) 16...N4d5 (16...ab5? 17.Bb5 Bb4 18.Qb4 Nd3 19.Bd3 Nd5 20.Qd4 Ra4 21.Qg7+-) 17.Bf6 gf6 (17...ab5 18.Bb5 Bb4 19.Kf2 Qb5 20.ab5 gf6 21.Rhd1+-) 18.Be2 Bb4 (18...ab5 19.Bb5 Bb4 20.Kf2 Qb5 21.ab5+/-) 19.Kf2 Ke7 (better is 19...Qe7 20.Nd4 Bd2-+) 20.Nc7-/+ Bc5 (worse is 20...Nc7 21.Qb4 Ke8 22.Qb7 Qd4 23.Ke1+/-) 21.Rc5 Nc7 22.Rd1 Nd5 23.Bf3 b6 (23...Rhc8 24.Rcd5 ed5 25.Qb4 Ke8 26.Re1 Kd8 27.Qb6 Rc7 28.Qf6 Kc8+-) 24.Rcd5 ed5 25.Rd5 Qe6 26.Qb4 Ke8 27.Rd2 Qc8?? (27...Rb8 28.Re2 Kd7+-) 28.Re2 Qe6 29.Re6 (29.Bc6! Kd8 30.Qb6 Ke7 31.Qb4 Kd8 32.Rd2 Qd6 33.Qd6 Kc8 34.Qd7 Kb8 35.Rb2) 29...fe6+- 30.Ba8 Kf7 1–0. Scozzesi,Francois (1880) – Mahiouz,Oualid (1680), FRA–ch op–B Aix les Bains, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 bc3)

    6.c4 Qd8

    7.d5 Na5 8.a3 b3=+ 9.Bc3 (9.Nf3 e6 10.Bd3 Nf6=+) 9...Nf6 (9...e6 10.de6 Qd1 11.Kd1-/+) 10.Bd3 (better 10.Nd2!? e6 11.Nb3 Nb3 12.Qb3=+) 10...e6-+ 11.Qe2 (11.Nf3 ed5 12.Nbd2 Be6-/+) 11...Be7 (11...Bd6!? 12.Qd2 b6 13.Nf3-+) 12.de6 Be6 13.Nf3 0-0 14.0-0 Re8 15.Rd1 Qc7 (15...Bd6 16.Qf1 Qb6 17.Nbd2-/+) 16.Nbd2 Rad8 (16...Bg4-+) 17.Nd4 (better 17.Ba5!? Qa5 18.Nb3-/+) 17...Bg4-+ 18.N2f3 Bc5 19.Qb2? (19.Ba5 Qa5 20.Nb3-+) 19...Qb6 (better 19...Bf3 20.gf3 Qf4-+) 20.Ba5-/+ Qa5 21.Nb3 Qb6 22.Rab1 Bf8 (22...Bf3 23.gf3 Bf8 24.c5-/+) 23.h3 (23.c5!? Qc7 24.Be2-/+) 23...Bf3-+ 24.gf3 Qc7 25.Bf1 Qf4 26.Bg2 (26.Rd4 Rd4 27.Qd4 Qf5-+) 26...b6 27.Qc3 (27.c5 bc5 (27...Bc5?! 28.Nc5 bc5 29.Rd8 Rd8 30.Qc1-/+) 28.Rd8 Rd8-+) 27...g6 (27...Nh5!? 28.Rd8 Rd8 29.Re1-+) 28.Rd8 Rd8 29.Qe3 (29.c5 Nd5 30.Qd4 Qd4 31.Nd4 Bc5-+) 29...Nh5 (better 29...Qc4!? 30.f4 Rd3-+) 30.Nc1?? (better 30.Qf4 Nf4 31.Bf1-+) 30…Rd1 (30...Rd1 31.Bf1 Qc4-+) 0–1. Amini,Habibullah (1995) – Sasikiran,K (2675), 5th Asian Team Men Blitz, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qd8)

    7.d5+= Na5 8.Qa4 Bd7 9.Qb4 e6 10.d6 Qb6 11.Ba3 Qb4 12.Bb4 Nc6 13.Ba3 Nd4.

    7.d5+= Na5 8.Nd2 Nf6 (8...e6 9.Ne4 Nf6 10.Nf6 gf6 11.Nf3 Be7 12.Be2 b5 13.cb5 Qd5) 9.Qa4 Bd7 10.Qb4 e6 11.d6 Qb6 12.Bc3 Nc6 13.Qb6 ab6.

    7.d5+= Na5 8.Nf3 Nf6 (8...e6 9.Ne5 Bd6 10.Qg4 Be5 11.Be5 Ne7 12.Qg7 Rg8 13.Qh7 ed5; 8...b5 9.cb5 Nf6 10.Qa4 Bd7 11.Qb4 e6 12.Qd4 Nd5 13.Nc3 Nb4) 9.Ne5 b6 10.a3 b3 11.Nd2 b5 12.Nb3 Nc4 13.Nc4 bc4.

    7.Nf3 A) 7...Nf6 8.d5 (8.Bd3 e6 9.0-0 Bd6 10.Nbd2 0-0 11.Qc2 g6 12.Rfe1 a6 13.h3 Bd7; 8.Nbd2 e6 9.Qc2 Be7 10.Bd3 0-0 11.0-0 Qd6 12.Rfe1 Bd7 13.h3 h6) 8...Nb8 (8...Na5 9.Ne5 b5 10.Nd2 e6 11.Bd3 Bc5 12.cb5 Qd5 13.0-0 Bb7) 9.Be2 e6 10.0-0 Be7 11.Qa4 Bd7 12.Qd1 Qb6 13.Nbd2 0-0; B) 7...e6 B1) 8.Bd3 Nf6 9.0-0 Bd6 10.Nbd2 0-0 11.Qe2 h6 12.Ne4 Ne4 13.Be4 Qa5; B2) 8.Nbd2 Nf6 (8...h6 9.d5 ed5 10.cd5 Qd5 11.Bc4 Qf5 12.0-0 Be6 13.Rc1 Nf6) 9.Qc2 Bd6 10.Bd3 0-0 11.0-0 g6 12.Rfe1 Bd7 13.Ne5 Re8; B3) 8.Qc2 Nf6 (8...Qa5 9.Nbd2 Nf6 10.Bd3 Be7 11.0-0 0-0 12.Rfe1 h6 13.Ne4 Bd7; 8...Qd6 9.Bd3 Nf6 10.0-0 Be7 11.Nbd2 0-0 12.Rfe1 Bd7 13.h3 h6; 8...a6 9.Bd3 Nf6 10.0-0 Be7 11.Nbd2 0-0 12.Ne4 h6 13.Rfe1 Qa5; 8...h6 9.Bd3 Nf6 10.0-0 Bd6 11.Nbd2 0-0 12.Rfe1 Qa5 13.c5 Be7; 8...a5 9.Nbd2 Nf6 10.Be2 Bd6 11.0-0 0-0 12.Bd3 g6 13.Ne4 Ne4) 9.Bd3 Be7 10.0-0 0-0 11.Nbd2 g6 12.Ne4 Bd7 13.Rfe1 Rc8; B4) 8.d5 Na5 9.Ne5 Bd6 10.Qg4 Be5 11.Be5 Ne7 12.Nd2 ed5 13.Qg7 Rg8.

    7.d5 Nb8

    8.a3 ba3 9.Na3 Nf6 10.Nb5 Na6 11.Nf3 Bd7 12.Ne5 e6 13.Be2 Bb4.

    8.a3 Na6 9.ab4= e6 10.b5 Nb4 11.Ra4 Nf6 12.Bc3 a5 13.ba6 Na6.

    8.a3 e6 9.ab4 ed5 10.cd5 Bb4 11.Bc3 Bc3 12.Nc3 Nf6 13.Bb5 Bd7.

    8.a3 Nf6 9.ab4 e6 10.Nc3 ed5 11.cd5 Bd6 12.Bb5 Bd7 13.Nge2 0-0.

    8.Qa4 Qd7 9.Qb4 Na6 10.Qd2 Nf6 11.Nf3 b6 12.Nc3 Qg4 13.0-0-0 Bf5.

    8.Qa4 Bd7 9.Qb4 Na6 10.Qd2 Nf6 11.Nc3 Nc5 12.Nf3 Bf5 13.Nd4 Nfe4.

    8.c5 Nf6-/+ 9.Bc4 (9.Bf6 gf6 10.Nf3 Nd7 11.Qa4 Qc7 12.Qb4 Qc5 13.Qc5 Nc5) 9...Qa5 (9...Nbd7!? 10.Qa4 Qc7-+ (10...Ne4 11.Nf3 a5 12.Nbd2 Nec5 13.Qc2 Qb6) 11.Nf3 Qc5 12.Nbd2 Nd5 13.Rc1 N5b6; 9...Qc7 10.Nf3 Nbd7 11.0-0 Qc5 12.Nbd2 Nb6 13.Bd4 Qd6) 10.Nd2 Qc5 11.Rc1 (11.Ngf3 Bg4 12.Rc1 Nbd7 13.0-0 Nb6) 11...Nbd7 (11...Bf5 12.Ngf3 Nbd7 13.0-0 Qb6) 12.Ngf3 g6 (12...Nd5 13.Ne4 Ne3 14.fe3 Qe3 15.Kf1+-; 12...b5 13.Bd4 Qd6) 13.Bb3 Qb6 14.Nc4 Qa6 15.0-0 Bg7 (better is 15...Bh6!? 16.Rc2 0-0=) 16.Re1+= 0-0 17.Re7 b5 18.Ne3 (better is 18.Nce5 Qd6 19.Rf7 Rf7 20.Rc6 Ne5 21.Rd6+-) 18...Qd6-/+ 19.Rf7 Rf7 (19...Kf7 20.Rc6 Qf4 21.d6 Ke8 22.Qe2+-) 20.Rc6 Qf4?? (better is 20...Qf8 21.Ng5 Nh5-/+) 21.g3+= Qh6 22.d6 a5?? (better is 22...Rb8+=) 23.Rc7+- a4?? (23...Rb8 24.Qc2 Ne8 25.Bf7 Kf7+-) 24.Bf7 Kf7 (24...Kh8 25.Qc2 Ba6+-) 25.Bf6 Kf8 26.Qd5 Rb8 27.Ng5 (27.Ng5 Qg5 28.Bg5 Bh8 29.Qe6 Bg7 30.Be7 Ke8 31.Rd7 Bd7 32.Qg8 Bf8 33.Qf8) 1–0. Knudsen,JesW (1995) – Bejtovic,J (2330), 4th Xtracon Skovbo, Borup DEN, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5)

    8.Nd2 Na6 (8...Nf6 9.Ngf3 Na6 10.Qc2 e6 11.Bd3 Be7 12.0-0 0-0 13.Rae1 Nc5) 9.Ngf3 Nf6 10.Qc2 Nc5 11.Be2 g6 12.Bd4 b6 13.0-0 Bg7.

    8.Bd3 e6 (8...Na6 9.Nf3 Nf6 10.0-0 Nc5 11.Bc2 b5 12.Bd4 Qc7 13.Nbd2 e6; 8...Nf6 9.Nf3 e6 10.Nbd2 Be7 11.Qa4 Kf8 12.0-0 Nbd7 13.Ne4 ed5) 9.Nf3 Nf6 10.0-0 Be7 11.a3 Na6 12.Re1 0-0 13.ab4 Nb4.

    8.Nf3 Nf6 (8...e6 9.Bd3 Nf6 10.0-0 Be7 11.a3 Na6 12.ab4 Nb4 13.Nc3 0-0; 8...Na6 9.Be2 Nf6 10.0-0 e6 11.Nbd2 Be7 12.de6 Be6 13.Re1 0-0; 8...Nd7 9.Qa4 Ngf6 10.Bd3 e6 11.0-0 Be7 12.de6 fe6 13.Ng5 Qb6; 8...Bd7 9.Bd3 Na6 10.a3 Nf6 11.0-0 e6 12.Re1 Bd6 13.Nbd2 ba3) 9.Bd3 Na6 10.0-0 Nc5 11.Bc2 b5 12.Bd4 Qd6 13.Be5 Qb6.

    6.c4 Qe4

    7.Be2 e5 8.Nd2 Qg2 9.Bf3 Qg6 10.de5 Bf5 11.Bd5 Nge7 12.Qf3 0-0-0 13.Ne2 Nd5 14.cd5 Bg4 15.Qb3 Be2 16.Ke2 Qg4 17.Kf1 Kb8 18.Nf3? (better is 18.Rc1!?+=) 18...Na5-+ 19.Qd3 Qc4 20.Rd1? (better is 20.Qc4 Nc4 21.Ng5 Rd5 22.Nf7-/+) 20...Rd5-+ 21.Bd4 Qd3 22.Rd3 Bc5 23.Ke2 Bd4 24.Rhd1? (better is 24.Rd4 Rd4 25.Nd4-+) 24...Nc6 (24...Re5!? 25.Kf1 Bb2 26.Ne5 Be5 27.Rd7-+) 25.Nd4 Rhd8 (better is 25...Ne5 26.R3d2 Re8-+) 26.Nf3 Rd3 27.Rd3 Rd3 28.Kd3 Kc7 29.Ke4 Kd7 30.Kd5 h6 31.Nd2 Ne7 32.Ke4 Ke6 33.f4 f6 34.Nb3 fe5 35.fe5 b6 36.Nd4 Kd7 37.Nb5 a5 38.Nd6 a4 39.Nc4 b3 40.ab3 ab3 (better is 40...b5!? 41.Nb6 Kc6 42.Na4 ba4 43.ba4 g6-+) 41.Nb6-/+ Ke6 42.Nc4? Nc6-+ 0–1. Lopez Heras,Arturo (1985) – Tejedor Ariza,Francisco (2030), Madrid–ch Previa–A, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 e5 8.Nf3 ed4 9.0-0 Bc5 10.Nbd2=+ Qe7 11.Nb3 Nf6 12.Nc5 Qc5 13.Nd4 0-0 14.Nb3 Qg5-/+ 15.f4 Qg6 16.Bf3 Bg4 17.Qe1 Bf5 18.Qh4 Ne4-/+ 19.Nd4 Nd4 20.Bd4 Rad8 21.Ba7=+ Qa6 22.Be3 Qc4 23.Rad1 Nf6 24.Qg5 Bd3 25.Rfe1 Qa2 26.Bc5 Rfe8 27.Re8 Re8-/+ 28.Bb4 Be2-+ 29.Be2 h6 30.Qf5 Qe2 31.Re1 Qc4 32.Re8 Ne8 33.Bc5 Qe6 34.Qb1 Nf6 35.h3 Ne4 36.Ba7 Qd5 37.Qc1 b5-+ 38.Qc8 Kh7 39.Qb8 Qc4 40.Qe5 b4 41.Bd4-/+ Nf6 42.Qf5 Kg8 43.Qe5 b3-+ 44.g4 Qd5 45.Qe3 Qe4 46.Qd2 Qb1 47.Kg2 Qc2 48.Qc2 bc2 49.Bb2 Nd7 50.Kf2 Nc5 51.Ke2 Nb3 0–1. Faccia,S (2075) – Guerra,A (2200), Venezia ITA, Autumn Open, 2011.

    7.Be2 e5 8.Nf3 ed4 9.0-0 Be6 10.Re1 (10.Nd4?? Nd4 11.Bd3 Qe5-+) 10...0-0-0 11.Bd3 Qf4 12.Bc1 Qc7 13.a3 Nf6 14.Nbd2 Bd6 15.Qc2 Rhe8 16.c5 Bf4 17.g3 Bd2 18.Bd2 b3 19.Qb2 Bg4 (better is 19...Nd7!? 20.Bg5 f6 21.Re6 Re6 22.Bf4-+) 20.Bf4 Qa5 21.Nd2? (21.Qb3 Re1 22.Ne1-+) 21...Nd7?? (21...Qc3 22.Qb3 Nd5 23.Reb1-+) 22.Bd6? (better is 22.Re8 Re8 23.Nb3-/+) 22...Qc3-+ 23.Qb3 (23.Qc3 dc3 24.Nb3-+) 23...Re1 (23...Qd2?! 24.Re8 Re8 25.Qf7-+) 24.Re1 Qd2 25.Rb1 Na5 26.Qb5 0–1. Schulz,Hans (1910) – Borgmeyer,M (2155), 105 Jahre FC St. Pauli Op, 2015. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 e5 8.Nf3 ed4 9.0-0 Bf5 10.Re1 0-0-0-+ 11.Ng5 Qe7 12.h4 Qc7 13.a3 h6 14.Nf3 Nf6 15.Bd3 Bd3 16.Qd3 Kb8 17.Nbd2 ba3 18.Ba3 Ba3 19.Qa3 Rhe8 20.Reb1 Ne4 21.Nb3 g5?? 22.Nbd4 Ka8 23.c5 Rd5 24.Rb7= Qb7 25.Nc6 Rd7 26.Nfe5 Rc7= 27.Na7 Kb8? 28.Nec6 Rc6 29.Nc6 Qc6 30.Qa7 Kc8 31.Rb1 Qc7 32.Qa8 Kd7 33.Rd1 Ke7 34.Qe4 Kf8 35.Qh7 Re6 36.Qh8 Ke7 37.Qc3 f6? 38.Qb4 Kf7 39.hg5 hg5 40.Qc4 Ke7 41.Rc1 Qc6 42.Ra1 Kf7 43.Ra7 Kg6 44.Qc2 f5 45.Qc3 Rf6 46.Re7 Rf7 47.Re5 g4 48.Qe3 Rf6 49.Re7 Qd5 50.Re8 0–1. Schulz,Hans Juergen – Gehrke,Rolf, BL2–N Germany, 1981.

    7.Be2 e6 8.Nd2 Qf5 9.Ngf3= Nf6 10.0-0 Bd6 11.Re1 0-0 12.Nf1 Rd8 13.Ne3 Qf4 14.g3 Qh6 15.Bc1 g6?? 16.Nf5 Qf8+= 17.Bh6 Qe8 18.Nd6 Rd6 19.Qd2 Ne7 20.Qb4 Nf5 21.Bg5 Ne4 22.Bf4 Rb6 23.Qa3+- Ra6 24.Qd3 Nf6 25.Nd2 Nh5?? 26.Bh5 gh5 1–0. Brkic,T (2115) – Tesic,Zo (2265), XXV Open, Novi Becej SRB, 2007.

    7.Be2 e6 8.Nf3 Nf6 9.Nbd2 Qg6 10.0-0 Be7 11.Nb3 Qe4 12.Bd3 Qg4 13.h3 Qh5 14.Be2 0-0=+ 15.Ne5 Qg5 16.f4 Qg3 17.Rf3 Qh4 18.Qd3 Nh5 19.Raf1 f5 20.g3 Qh3-/+ 21.R1f2 Ne5 22.de5 Rd8 23.Rh2 Rd3 24.Rh3=+ Rf3 25.Bf3 g6 26.Bd4 Rb8 27.Nc5 b6-/+ 28.Nd3 Bb7-+ 29.Kf2 Bf3 30.Kf3 Rc8 31.Nb2 Bc5 32.Bc5 bc5 33.g4 fg4 34.Kg4 Rd8 35.Rd3 Rf8 ½–½. Unciti Juan,J (2155) – Rial Rodriguez,Javier, 19th Moratalaz Open, 2006.

    7.Be2 Bf5 8.d5 Nd8 9.Nf3= Qc2 10.Qc2 Bc2 11.Nd4 Ba4 12.0-0 e6 13.Re1 e5 14.Bf3 f6= 15.a3 ba3 16.Na3 Bd7 17.Nab5 Bb5 18.Nb5 Rc8 19.Rac1 a6=+ 20.Bg4 Rb8 21.Nc7+/- Kf7 22.Ne6 Nh6 23.Nd8+= Rd8 24.Be6 Ke8 25.c5 Nf7 26.d6 Nd6 27.cd6 Bd6 28.f4 Bb4? 29.Re4+- Bd2 30.Rc7 Bf4?? 31.Bf7 (31.Bf7 Kf8 32.Ba3 Rd6 33.Bd6) 1–0. Schiller,Thomas – Luettig,Hendrik, Pinneberg op, 1994.

    7.Be2 Bf5 8.Nf3 Qc2 9.Qc2 Bc2 10.Nbd2 Nf6 11.d5 Na5 12.0-0 e6 13.Nd4 Bf5 (better is 13...Bg6!? 14.de6 Bc5+=) 14.Nf5+/- ef5 15.Bd3 Ne4 16.Rfe1 0-0-0 17.Ne4 fe4 18.Re4 b5 19.cb5 Rd5 20.Re3 (better is 20.Rd4!? Rd4 21.Bd4+-) 20...Bc5 21.Rc1 Rhd8 22.Be2 (22.Bh7?! Nc4 23.Bg7 Ne3 24.fe3 Kb7+=) 22...Kb7 23.Re5 ½–½. Schulz,Hans Juergen (2030) – Becker Bertau,Friedrich (1855), Hamburg League qual, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Ne2 e5 8.Nd2 Qf5 9.Ng3 Qf4 10.Ne2 Qf5 ½–½. Meczynski,Waldemar (2150) – Khamidov,Komil (2110), Druzynowe Mistrzostwa Polski w szachach Poland, 2012. (=1.e4 c5 2.b4 cb4+= 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Ne2 e6 8.Nd2 Qf5 9.Ng3 Qa5 10.Nb3 Qd8 11.d5 Na5 12.Be2 Nb3 13.Qb3 Nf6 14.Rd1 ed5 15.0-0 Bd6 16.cd5 0-0 17.Bd3 a5 18.Bb1 Ra6 19.Qd3 g6 20.Qd4 Re8?? (better is 20...Be7+/-) 21.Qf6+- Qf6 22.Bf6 (22.Bf6 a4 23.Bd4+-) 1–0. Bravo Castillero,J – Real Naranjo,C, 1998. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 Qe4)

    7.Ne2 e6 8.Nd2 Qf5 9.Ng3 Qf4 10.Nh5 (10.d5 Nd4 11.Nde4 e5 12.Bd4 ed4 13.Qd4 Nf6+/-) 10...Qh6? (better is 10...Qg5!?=) 11.d5+/- Nd8 (11...Bd7 12.dc6 Bc6 13.Nb3+/-) 12.Ne4+- f5? (better is 12...Qg6!? 13.Neg3 f5+-) 13.Nd6!! Bd6 14.Bg7 Qg6 15.Bh8 e5 (15...Bd7 16.Qe2+-) 16.c5! Bc5 17.Be5 Qb6 (17...Bd7 18.Rc1 Rc8 19.Bb2+-) 18.Qe2 Kf8 19.Rc1 Bd7 (19...Bd4 20.Rc4 Be5 21.Qe5+-) 20.Qd2 Rc8 21.Bb2 (better is 21.Qg5!? Bf2 22.Ke2 Qg6 23.Qg6 hg6 24.Bd6 Kf7 25.Rc8 Bc8 26.Kf2 gh5+-) 21...b3 22.a3 (22.ab3 Bb4 23.Rc3 Be8+/-) 22...Nf7 23.Bc4 (23.Bd3 Re8 24.Kd1 Bf2 25.Bg7 Ke7+-) 23...Nd6+/- 24.0-0 (better is 24.Bd3 Re8 25.Kd1+-) 24...Nc4= Attacking the isolated pawn on a3 25.Qc3 (better is 25.Rc4 Bf2 26.Rf2 Rc4 27.Qg5=) 25...Qh6-+ (25...Nb2? 26.Qg7 Ke8 27.Qg8 Ke7 28.Rfe1 Kd6 29.Qg3 Kd5 30.Re5 Kc6 31.Nf6+-) 26.Qb3?? (better is 26.Qg7 Qg7 27.Bg7 Kf7 28.Rc4 Bf2 29.Rf2 Rc4 30.Bb2-/+) 26...Nb2 (26...Qh5?! 27.Rc4 b6 28.a4=) 27.Qb2 b6 (better is 27...Qh5 28.Qb7 Qf7-+) 28.Ng3 Nf6 29.Rce1 Ng4 (29...Bd6!? 30.Re2-+) 30.h3-/+ f4?? (better is 30...Nf6-/+) 31.Ne4+- f3 (31...Be7 32.hg4 Qg7 33.Qg7 Kg7 34.Rc1+-) 32.Nc5 Rc5 (32...bc5 33.hg4 Bg4 34.Re3+-) 33.hg4 fg2 34.Kg2 (better is 34.Qh8 Kf7 35.Kg2+-) 34...Bg4 (34...Qg6 35.Qh8 Kf7+-) 35.Qh8 Kf7 36.Rh1 (36.Qe8 Kf6 37.Qe7 Kf5 38.Qe5 Kg6 39.Qd6 Kf5 40.Re5 Kf4 41.Re6 Kg5 42.f4 Kh4 43.Rh6 Bh5 44.Qe7 Kg4 45.Qg5) 36...Qg6 1–0. Sozin,Stepan (2330) – Sukiasyan,Artem (1975), Novokuznetsk RUS, SFO Ch U19 (b), 2014. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Ne2 Bf5 8.Nd2 Qc2 9.Qc2 Bc2 10.d5 Na5 11.Nd4 Ba4 12.N2b3 b6 13.Bd3 Rc8 14.Na5 ba5 15.0-0 Nf6 16.Rfe1 g6? 17.Nf5 Kd7+= 18.Nd4 Bg7= 19.Nb3 Ne8 20.Bg7 Ng7 21.Na5 e6 22.de6 Ne6 23.Re2 Nc5 24.Bc2 Rhe8 25.Ba4 Na4 26.Rd1 Kc7 27.Rde1? Re2-+ 28.Re2 Kb6 29.Re7 Nc3 30.Re5? Rd8 31.g3 Rd2 32.Nb3 Ra2 33.c5 Kb5 34.Nd4 Kc4 35.c6 Kd4 36.c7 Rc2 37.Ra5 Nd5 38.c8Q Rc8 0–1. Mouratidis,H (1895) – Balaskas,P (2145), 15th Open, Nikea GRE, 2007.

    7.Ne2 Bf5 8.Nd2 Qc2 9.Qc2 Bc2 10.d5 Na5 11.Nd4 Ba4 12.Bd3 0-0-0 (12...Bd7!?+=) 13.a3+/- b3 14.Bc3 b6 15.Ba5 (better is 15.Bf5!? Kc7 16.Rb1+/-) 15...ba5= 16.N4b3 e6 17.0-0 Nf6 18.Na5 ed5 19.cd5 Rd5 20.Ba6 Kc7 21.Nab3 Bd6 22.Bc4 Rh5 23.g3 Ng4 (better is 23...Nd5!?=) 24.Bf7+/- Rh2 25.Nd4 Bg3 The pressure on the backward pawn f2 grows 26.Ne4?? (26.Ne6 Kb8 27.Rab1 Kc8 28.Rbc1 Bc6+-) 26...Bf2?? (better is 26...Be5 27.Rac1 Kd8=) 27.Nf2+- Rf2 28.Rf2 Nf2 29.Kf2 Kd6 30.Bh5 g6 31.Bf3 Rb8 32.Rh1 Rb2 33.Ke3 Ra2 34.Rh7 Ra3 35.Kf4 Be8 (35...Rd3 36.Ke4 Ra3 37.Bg4+=) 36.Rh8 Ra4 37.Re8 ½–½. Knudsen,Jes West (1910) – Lund,Silas (2415), Reykjavik ISL, Open, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Ne2 Bf5 8.Nd2 Qc2 9.Qc2 Bc2 10.d5 Nb8 11.Nd4 Ba4 12.a3 b3 13.Bd3+/- Nd7 14.N2b3 0-0-0 15.0-0 e5+= 16.de6 fe6 17.Ne6 Bb3 18.Nf8 Rf8 19.Bg7 Ngf6 20.Bh8 Rh8 21.Rab1 Ba4 22.Rfe1 Bc6 23.Bf5 Rg8 24.g3 h5 25.Re6 Kc7 26.Re7 Rg5 27.Bd7 Nd7 28.Rc1 Rc5 29.Rh7 b5-/+ 30.h3 bc4 31.g4 hg4 32.hg4 Bf3 33.Rg7 c3 34.Kh2 c2 35.Kg3 Bd1 36.g5 Rb5 37.Kh4 Rb1 38.g6 Rc1 39.Rd7 Kd7 40.g7 Bf3 (40...Bf3 41.g8Q Rh1 42.Kg3 Rg1 43.Kf3 Rg8 44.Ke4 Re8 45.Kd4 c1Q 46.Kd3 Qd1 47.Kc3 Rc8 48.Kb2 Qc2 49.Ka1 Qd2 50.f4 Rc1) 0–1. Joecks,Christian (2345) – Lyrberg,Patrik (2420), Wichern op Hamburg (1), 1993.

    4.d4 d6

    5.d5 Ne5 6.f4 Ng6 7.f5 Ne5 8.Nf3 Nf3 9.Qf3 Nf6 10.g4 Qc7 11.c4 Nd7 12.a3 e5 (12...Qa5 13.Nd2=+) 13.fe6 fe6 14.g5 (better 14.ab4!? Qb6 15.Qa3=) 14...Ne5-/+ Attacking the backward pawn on c4 15.Be5 de5 16.Bd3 Bc5 (16...ba3 17.Ke2-/+) 17.Rf1 Rf8 18.Qh5 g6 19.Rf8 Bf8 20.Qf3 ba3 21.Ke2 Qb6 22.Nd2 Bd7 23.Qf6 ed5 24.Qe5 Qe6 (24...Kf7 25.Rb1 Bb4 26.Qd5 Be6-+) 25.Qe6= Be6 26.cd5 Bg4 27.Ke3 Bc5 28.Kf4 Bd7 (28...Bh3 29.e5=) 29.e5 0-0-0 (29...Bb4 30.Nb1=) 30.Ne4 Rf8 ½-½. Rusan,P (2105) - Szabo,G (2530), 3rd Cristina Foisor Rapid, 2020. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4)

    5.f4 d5 6.e5 (6.ed5 Qd5 7.c4 Qe4 8.Ne2 e6+=) 6...e6 7.Nf3 Nge7 8.Bd3 Ng6 9.g3 Be7 10.0-0 f5 11.Nbd2 h5 12.h4 a5 13.Ne1 a4 14.Be2 (14.Rb1!?+=) 14...a3-/+ 15.Bc1 Nd4 16.Bh5 Kf7 17.Bg6 Kg6 18.Nef3 Nf3 (18...Qc7!? 19.Nb3 Nc2 20.Rb1-+) 19.Nf3 Bd7 20.Be3 Rc8 21.Rf2 b6 22.Rh2 Qc7 23.h5 (23.Rd2 Kf7-+) 23...Kf7 (23...Rh5!? 24.Rh5 Kh5 25.Nd4 Kg6 26.g4-+) 24.Qd3 Qc3 25.Bd4 Qd3 26.cd3 Rb8 (26...Bb5 27.Ne1-/+) 27.Rb1 Bb5 28.Ne1 Rh7 29.Rb3 (29.Be3!?-/+) 29...Ba4 30.Rb1 Bb5 (better is 30...Rbh8!?-+) 31.Be3 g6 32.hg6+= Kg6 33.Rc2?? Rbh8-+ 34.Rbc1 Rh1 35.Kf2 R8h2 36.Ng2 Rc1 37.Rc1 Bd3 38.Rc7 Bf8 39.Kg1 Rh7 40.Nh4 Kh6 41.Rc6? Re7 42.Bb6? Kh5 43.Bc5 Re8 44.Bf8 Rf8 45.Re6?? b3!-+ 46.Kg2 ba2 47.Re7 Be4 48.Kh3 Rh8 (48...Rh8 49.g4 fg4 50.Kg3 a1Q 51.Rh7 Rh7 52.Kf2 g3 53.Ke2 Qb2 54.Ke1 a2 55.f5 a1Q) 0–1. Shtembuliak,Evgeny (2075) – Qasimov,Cingiz, Wch U08 Kemer, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d6)

    5.f4 Nf6 6.Nd2 (6.d5 Nb8+= (worse is 6...Ne4 7.Qf3+=)) 6...e6 7.Ngf3 Be7 8.Bd3 Qc7 9.0-0 0-0 10.Rc1 Bd7 11.Qe1 Rac8 12.Qh4 (12.d5!? Nd8 13.Nb3+=) 12...Ne4!-/+ 13.Ng5 (13.Ne4 Bh4 Discovered attack; 13.Be4 Bh4 Discovered attack) 13...Ng5 14.fg5 g6 15.Qh6 d5 16.Rf3 e5 17.de5 Bc5 (17...Ne5!? 18.Kh1-+) 18.Kh1-/+ Be6 19.Rf4 Rfe8 (19...Be3 20.Rh4 f5 21.ef6 Qf7=) 20.Rh4= f5 (20...Ne5? 21.Qh7 Kf8 22.Qh8 Ke7 23.Qf6 (23.Qe5?! Qe5 24.Be5 Be3 25.Bf6 Kd6+-) 23...Kd7 24.Be5+- (worse is 24.Qe5 Qe5 25.Be5 a6+-)) 21.gf6 Bf8 22.Qg5 Bf7 23.Nf3 Qd7 (better is 23...b6+=) 24.Qg3 Nd8 25.Ng5 Ne6 26.Nh7 Red8 (26...Rc4 27.Bg6 Rh4 28.Bf5 Bg7 29.Qh4 Qc7 30.fg7 Qd8+-) 27.Bg6 Bg6 (27...Qc7+-) 28.Qg6 Bg7 (28...Ng7 29.Ng5 Bc5 30.Qh7 Kf8 31.Qh8) 29.fg7 Qg7 (29...Ng7 30.Nf6 Kf8 31.Nd7 Ke7 32.Qg7 Ke6 33.Qg6 Kd7 34.Rh7) 30.Qe6 (30.Qe6 Qf7 31.Nf6 Kf8 32.Rh8 Kg7 33.Rh7 Kf8 34.Rf7) 1–0. Jancso,Zsolt – Homonnay,Adam, Sarospatak op1, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d6)

    4.d4 e6

    5.d5 Na5 6.Nf3 Nf6 7.de6 de6 (worse is 7...Ne4 8.ef7 Ke7 9.Qd5+/-) 8.Bd3 Be7 9.0-0 a6 10.Qe2 b5 11.Nbd2 Bb7 12.a3 Nc6 13.a4 ba4 14.Ra4 a5 15.Rfa1 0-0 16.Nb3 Nd7 17.Bb5 Nc5 18.R4a2 Qb6 19.Nfd2 Nb3 20.Nb3 Rfc8 21.Bd3 e5 22.Nd2 Bc5 23.Nc4 Qd8 (23...Qc7!?-/+) 24.Ne5+= Bd4 25.Nc6 Bc6 26.Bd4 Qd4 27.Ra5?? (27.Ba6 Re8 28.Ra5 Be4 29.Qf1-/+) 27…Qa1-+ (27...Qa1 28.Ra1 Ra1 29.Qf1 Rf1 30.Kf1 Ba4-+) 0–1. Bohley,Donald – Ivanov,Igor V (2510), Columbus Cardinal op, 1987. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6)

    5.d5 ed5 6.ed5 Qe7 7.Qe2 Qe2 8.Be2 Nce7 9.c4 d6 10.Nf3 Bg4 11.0-0 Nf6 12.Nbd2 0-0-0 13.a3 ba3 14.Ra3 Kb8 15.Bd4 Bf3 16.Ba7+/- Kc7 17.Nf3 Nc8 18.Rb1 Na7 19.Ra7+- Rb8 20.Nd4 Nd7 21.Nb5 Kd8 22.Bg4 Nc5 23.Rba1 Na6?? 24.Rb1 h5 25.Bh3 g5 26.Bf5 Rh6 27.h3 Bg7 28.Na3 Nc5+= 29.Nc2 Rf6 30.g4 hg4+= 31.hg4 Rh6 32.Nb4 Kc7 33.Re1 Be5 34.Nd3 Nd3 35.Bd3 Rbh8 36.Be4 Bd4 37.Ra2 Re8 38.Ree2 Rh3 39.Bg2 Re2 40.Re2 Rc3 41.Re7 Kb6 42.Bf1 f6 43.Kg2= Be5 44.Be2 Rb3 45.Re6 Kc5 46.Re7 Kd4 47.Rc7 b6 48.Rc6 Ke4 49.Rc7 Kd4 50.Rb7 Kc3 51.Rh7 Kd2 52.Bf3 Rb2-/+ 53.Rh1 Rb4 54.Rd1=+ Kc3 55.Be2= Kc2 56.Rh1 Kd2 57.Bf1 Rb2 58.Kf3 Rb3 59.Kg2 Bd4 60.f3 Ke3-/+ 61.Rh3 Rb2 62.Kh1 Kf2-+ 63.Bd3 Rb3 64.Rh2 Kf3 65.Be2? Ke4 66.Kg2?? Rb2 67.Kf1 Kf4 68.Rh3 Rb1 69.Kg2 Re1 70.Rf3 Ke5?? 71.Bd3= Bg1 72.Kh3 ½–½. Novy,J – Kukla,B, Klatovy op–B (3), 1999.

    5.d5 ed5 6.ed5 Qe7 7.Be2 Ne5 8.Nd2 Nf6 9.Ngf3 Nf3 10.Nf3 Qc5 11.0-0 (11.Bf6 gf6 12.0-0 Bd6=) 11...Be7+= 12.Bd3 0-0 13.Re1 Bd8 14.Bd4 Qc7 (14...Qd5? 15.Bf6 Qh5 16.Re5+-) 15.c4 (15.a3 Nd5 16.ab4 Nb4+=) 15...d6 (15...bc3!? 16.Qb3 Qd6+=) 16.h3 h6 17.Rc1 b6 18.Bb1 Nh7 19.Qd3 f5 20.Re2 (20.Qb3 Ng5+=) 20...Qf7 (20...Ng5!?=) 21.Rce1 Ng5 22.Ng5 Bg5 23.f4 (23.Qb3 Bf6 24.Bf6 Qf6 25.Qb4 f4+=) 23...Bh4= (worse is 23...Bf4 24.Re7 Qg6 25.Rg7 Qg7 26.Bg7 Kg7 27.Qd4 Be5 28.Re5 de5 29.Qe5 Rf6 30.Qe7 Rf7 31.Qe8+/-) 24.g3 Bd8 25.Qb3 a5 26.a3 ba3 27.Qa3 (27.Bb6?? Rb8-+) 27...Qg6 28.Kh2 h5 29.Bc2 Ra7 30.Ba4 ½–½. Kulas,S (2025) – Sadkowsky,Daniel (2230), Wroclaw Poland, 8th Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.Bb2 Nc6 4.d4 e6)

    5.d5 ed5 6.ed5 Qe7 7.Be2 Ne5 8.Nd2 Nf6 9.Ngf3 Nf3 10.Nf3 Ne4 11.0-0 Nc3 12.Bc3 bc3 13.Re1 Qd6 (13...Qf6 14.Rb1 Kd8 15.Qd3=) 14.Nd4 (14.Qd4 Qf6 15.Qf6 gf6 16.Bc4 Kd8+=) 14...g6 (better is 14...Qf6=) 15.Nb5+- Qc5 16.d6 (better is 16.Nc7! Qc7 17.Qd4+-) 16...Kd8+/- 17.a4?? (17.Bc4 Qc4 18.Qf3+-) 17...a6+= 18.Na3 (18.Nc7!? Rb8 19.Nd5+=) 18...Qd6-/+ 19.Bd3 Bg7 (19...Qf6!?-/+) 20.Nc4 Qd4 21.Qe2 Bf6 22.Rad1 Qc5 23.Qf3 Be7 24.Re5 Qb4? (better is 24...Qc6 25.Qf7 Qf6=) 25.Rde1+- (25.Qf7?! Rf8 26.Qh7 Bc5+/-) 25...Re8 26.Qf7 b5 (26...b6 27.Re7! Re7 28.Qf8 Kc7 29.Re7 Qb1 30.Bf1+-) 27.Nb6 Rb8 (27...Rf8 28.Qe7 Qe7 29.Re7 Rb8 30.Nc8 Kc8 31.ab5 ab5 32.Rh7 b4+-) 28.Nd5 ba4 29.Nb4 Rb4 30.Re7 1–0. Reh,Stefan – Traut,Stefan (2005), Hessen–ch MVT, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 e6)

    5.d5 ed5 6.ed5 Nce7?? 7.d6 Nf5 8.Qe2 Nge7 9.de7 Be7 (9...Qe7 10.Nf3+-) 10.g4 0-0 11.Nd2 (better is 11.gf5 Bf6 12.Bf6 Qf6 13.c3 bc3 14.Qd3+-) 11...Re8 12.0-0-0 (worse is 12.gf5 Bf6 13.Rb1 Re2 14.Ne2 d5 15.Bf6 Qf6 16.Rb4 Bf5-/+) 12...Nd6 13.Qf3 Qa5 14.Kb1 b6 (better is 14...Qc5!?+/-) 15.Nb3+- (15.Qa8?! Bb7 16.Qe8 Ne8+/-) 15...Qa4 16.Bd3?? (better is 16.Rd6 Bb7 17.Qb7 Bd6 18.Nf3+-) 16...Bb7+= 17.Qh3 h6 18.Nf3 Ne4 19.g5?? (19.Qh5 Nf2 20.Bc4 d5 21.Rd5 Bf6+-) 19...Nc3 (19...Nf2 20.Qf5 g6+-) 20.Bc3+= bc3 21.gh6 g6 22.h7 Kg7 23.Ne5 Bh1= 24.Rh1 d5 25.Nf7+/- Kf7 26.Rg1 g5? 27.Qf5 Bf6?? 28.Qg6 Ke7 29.Re1 Kd7 30.Qf7 Be7 31.Qd5 Kc7 32.h8Q! Rh8 33.Re7 (33.Re7 Qd7 34.Rd7 Kc8 35.Qb7) 1–0. Pitre,Hanniegn G – Raymer,Evan, Labour Day op, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 e6)

    5.d5= Nce7 6.d6 Nc6 7.e5 g6 8.f4 Nh6 9.Nf3 Nf5 10.g4 Ne3=+ 11.Qe2 Ng4 12.Ng5 Nh6 13.a3 Nf5 14.ab4 h6 15.Nf3 Nb4 16.Bc3 Nc6 17.Bd2 Qb6 18.Qb5 Qb5 19.Bb5 Bg7 20.Bd3 Nd6! 21.c4 Ne7 22.ed6? Ba1-+ 23.de7 Ke7 24.Nc3 Bc3 25.Bc3 Rd8 26.Bg7 h5 27.Bh6 Rh8 28.Bg5 Ke8 29.Bf6 Rg8 30.Kd2 d6 31.Be4 Rb8 32.Ra1 a6 33.Nd4 Kd7 34.Rb1 Re8 35.Kc3 Ra8?? 36.Nf3 Kc7 37.Ng5= Rf8 38.Nh7 Re8 39.Ng5= Rf8 40.Nh7 Re8 41.Ng5= e5 42.fe5+/- de5 43.Nf7 Ra7 44.Bg6 Re6 45.Be5 Re5 46.Ne5 a5 47.Bh5 a4 48.Ra1 a3 49.Ra2 Be6 50.Bf7 Bf5 51.Bg6 Be6 52.Kb4 Kd6 53.Nf3 b5 54.c5 Kc7 55.Ra3 Ra3 56.Ka3 Bg4 57.Nd4 Bh3 58.Kb4 Bf1 59.h4 (59.h4 Kd8 60.h5+-) 1–0. Gallegos,P (2090) – Parayno,Rod, Continental Open (6), 2000.

    5.Nf3 d5 A) 6.Nbd2 Be7 (6...Nf6 7.e5 Ne4 8.Ne4 de4 9.Nd2 Nd4 10.Ne4 Nc6 11.Qd8 Kd8 12.Rd1= –0.06; 6...de4 7.Ne4 Be7 8.Bd3 Nh6 9.d5 ed5 10.Bg7 Rg8 11.Bh6 de4 12.Be4+= –0.50) 7.Bb5 (7.e5 Nh6 8.Bd3 0-0 9.0-0 Qc7 10.Qb1 Nf5 11.Rc1 f6 12.c4+= –0.62) 7...de4 8.Ne5 Bd7 9.Nd7 e3 10.fe3 Qd7 11.0-0 Nf6 12.a3+= –0.53; B) 6.ed5 ed5 (6...Qd5 7.Nbd2 Nf6 8.Bc4 Qd8 9.Qe2 Be7 10.0-0 0-0 11.Rfe1 a6 12.Bd3-/+ –0.87) 7.Bd3 (7.Bb5 Bd6 8.0-0 Nge7 9.a3 0-0 10.ab4 Nb4 11.c3 Nbc6 12.Ba3-/+ –0.94; 7.Be2 Bd6 8.0-0 Nf6 9.Re1 0-0 10.c4 bc3 11.Nc3 Re8 12.Qb3-/+ –1.06; 7.a3 Nf6 8.Bd3 ba3 9.Na3 Qe7 10.Kf1 Bg4 11.c4 Qd7 12.Qe1-/+ –0.97; 7.Ne5 Bd6 8.Bb5 Nge7 9.0-0 0-0 10.Re1 Bf5 11.c4 a6 12.Bc6-/+ –1.00) 7...Bd6 8.0-0 Nge7 9.Ne5 Be6 10.Re1 0-0 11.Qh5 g6 12.Qf3-/+ –0.91; C) 6.e5 C1) 6...Nh6 7.Nbd2 (7.c4 bc3 8.Nc3 Qa5 9.Be2 Bb4 10.Qd3 0-0 11.0-0 Bd7 12.a3+= –0.69; 7.Be2 Be7 8.a3 0-0 9.0-0 Nf5 10.ab4 Bb4 11.Ba3 Ba3 12.Na3+= –0.66; 7.Bb5 Bd7 8.Bd3 Be7 9.0-0 0-0 10.a3 Nf5 11.ab4 Nb4 12.Bf5+= –0.62; 7.Bd3 Be7 8.0-0 0-0 9.a3 Nf5 10.ab4 Nb4 11.Ba3 Re8 12.Qd2+= –0.62; 7.a3 Nf5 8.Bd3 ba3 9.Bc3 Bd7 10.Na3 Qc8 11.Qd2 Be7 12.0-0-/+ –0.72) 7...Nf5 8.Bd3 Be7 9.c4 bc3 10.Bc3 0-0 11.Qc2 h6 12.0-0+= –0.37; C2) 6...Be7 7.Bc1 (7.Bd3 Nh6 8.0-0 0-0 9.Nbd2 Nf5 10.c4 bc3 11.Bc3 f6 12.Rc1+= –0.53; 7.a3 Nh6 8.Bc1 Nf5 9.g4 Nh4 10.Nh4 Bh4 11.ab4 Qb6 12.c3-/+ –1.00) 7...Qa5 8.Nbd2 Qc7 9.Nb3 Bd7 10.Bd3 h6 11.0-0 a6 12.Nfd2+= –0.31; C3) 6...Nge7 7.Bd3 (7.Be2 Ng6 8.Bc1 Nh4 9.0-0 Nf3 10.Bf3 f6 11.ef6 Qf6 12.Be3-/+ –1.16; 7.a3 Nf5 8.Bd3 ba3 9.Bc3 Bd7 10.Na3 Qb6 11.Rb1 Qd8 12.Nb5-/+ –0.72; 7.Bb5 Bd7 8.Bd3 Ng6 9.0-0 Nf4 10.a3 Be7 11.Bc1 Nd3 12.Qd3-/+ –0.97; 7.c4 dc4 8.Bc4 Nd5 9.0-0 Be7 10.Qc2 Bd7 11.Qe4 Nb6 12.Bd3+= –0.59) 7...Ng6 8.0-0 Nf4 9.Bb5 a6 10.Bc6 bc6 11.a3 a5 12.Qd2+= –0.53.

    5.Nf3 Nf6 6.Bd3 A) 6...Be7 7.0-0 (7.e5 Nd5 8.0-0 Nf4 9.Bb5 a6 10.Qd2 Nh3 11.gh3 ab5 12.d5-/+ –0.78; 7.Nbd2 d5 8.0-0 0-0 9.Re1 de4 10.Ne4 Nd5 11.a3 b6 12.Ne5-/+ –0.78; 7.c4 bc3 8.Nc3 d5 9.e5 Nd7 10.0-0 Qb6 11.Na4 Qa5 12.Rc1+= –0.53; 7.Qe2 d5 8.e5 Nd7 9.0-0 Nb6 10.Bc1 0-0 11.a3 Qc7 12.Nbd2+= –0.69; 7.c3 d5 8.e5 Nd7 9.0-0 f6 10.Nbd2 bc3 11.Bc3 fe5 12.de5+= –0.66) 7...d5 8.e5 Nd7 9.Nbd2 0-0 10.Qb1 Qc7 11.Rc1 h6 12.a3+= –0.53; B) 6...d6 7.c4 (7.0-0 Be7 8.Nbd2 0-0 9.c4 bc3 10.Bc3 Nh5 11.d5 ed5 12.ed5+= –0.50; 7.Qe2 Be7 8.0-0 0-0 9.d5 Na5 10.c4 Qc7 11.e5 de5 12.Be5+= –0.50) 7...bc3 8.Nc3 d5 9.e5 Qb6 10.Rb1 Nd7 11.Ba1 Qa5 12.Rb5+= –0.47; C) 6...d5 7.e5 Ne4 8.0-0 Be7 9.Re1 Ng5 10.Ng5 Bg5 11.a3 Bd7 12.Qg4+= –0.56.

    5.Nf3 Nf6 6.d5 Nb8 (6...Na5 7.de6 de6 8.Qd8 Kd8 9.Bd3 Nc6 10.0-0 Ke8 11.c4 Nd7 12.e5+= –0.31) 7.de6 de6 8.Qd8 Kd8 9.Nbd2 Ke8 10.Rd1 Nc6 11.e5 Nd5 12.Ne4 +=.

    5.Nf3 Nf6 6.e5 Nd5 7.c4 (7.Bb5 Qa5 8.Bc4 d6 9.0-0 Be7 10.a3 de5 11.ab4 Qb4 12.Bd5-/+ –0.84; 7.Bc4 d6 8.0-0 de5 9.Ne5 Qc7 10.Bd5 ed5 11.c3 Be6 12.f4-/+ –1.00; 7.c3 bc3 8.Nc3 Bb4 9.Qd2 d6 10.a3 Ba5 11.Rc1 Qe7 12.Bd3-/+ –0.72; 7.Bd3 Nf4 8.0-0 Nd3 9.Qd3 d6 10.Nbd2 Be7 11.Qe3 0-0 12.Rfd1-/+ –0.84; 7.Be2 Nf4 8.0-0 Ne2 9.Qe2 d5 10.ed6 Qd6 11.a3 Be7 12.ab4+= –0.50) 7...bc3 8.Nc3 (8.Nc3 Qa5 Pinning (8...Qa5 Decoy 9.Qb3 d6 10.Rc1 de5 11.de5 a6 12.Be2-/+ –0.72; 8...Bb4 9.Qd2 d6 10.a3 Ba5 11.Rc1 Qe7 12.Bd3-/+ –0.72) 9.Qb3 d6 10.Rc1 de5 11.de5 a6 12.Be2-/+ –0.72; 8.Bc3 d6 (8...Be7 Decoy 9.Bc4 d6 10.0-0 0-0 11.Qe2 Bd7 12.Rc1-/+ –0.97) 9.Bb5 Bd7 10.Qb3 Rc8 11.0-0 Qb6 12.Re1-+ –1.44) 8...Bb4 9.Rc1 Qa5 (9...d6 10.Qd2 Qa5 11.Bd3 Bd7 12.Be4-/+ –0.87) 10.Qd2 (10.Qb3 Qb6 11.Kd1 Bc3 12.Bc3+= –0.34) 10...0-0 (10...d6 11.Bd3 0-0 12.Be4-/+ –0.81) 11.Bc4 Nc3 (11...d6 12.Bd5-/+ –0.81) 12.Bc3 Bc3 13.Rc3 b5 14.Bb3 (14.Bd3 Bb7 15.Be4 b4+=) 14...Ba6 15.Rc2 (15.0-0!?+=) 15...Rac8 16.0-0 Qd2 17.Rd2 Bb7 18.d5 Na5 19.de6 de6 20.Bd1 Rfd8 21.Rb2 a6 22.h3 Nc4 23.Rc2 Rd5 24.Re1 Rdc5 25.Nd2 Re5 26.Re5 Ne5 27.Rc8 Bc8 28.f4?! (28.Kh2-+) 28...Nd3 29.g3 Bb7 30.Nb3 Bd5 31.Bc2? Nb2 32.Kf2 h6 33.Nc1 Kf8 34.g4 Ke7 35.Ke3 Kd6 36.Kd4 f6 37.Kc3 Nc4 38.a4 ba4 39.Ba4 Ne3 40.Be8 Bg2 41.f5 Bh3 42.Nd3 Bg4 43.fe6 Be6 44.Nf4 Nd5 45.Nd5 Bd5 46.Kb4 Bc6 47.Bg6 Ke5 48.Bd3 Bb5! 49.Bg6 f5 50.Bh5 f4 51.Ka5 Ke4 0–1. Svetinsky,Vladimir (1710) – Baraniuk,Andrej (1670), Open, Pilsen CZE, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6)

    3.Bb2 d5

    4.a3 Nc6 5.Bb5 Qb6 6.Qe2+= Bd7 (better is 6...ba3!? 7.Na3 a6 8.ed5 ab5 9.dc6 bc6+=) 7.ed5+= Nb8 8.a4 Qg6 9.Qc4 Qg2?? (better is 9...Na6 10.Kf1 Qd6=) 10.Qc8 1–0. Knap – Dvorak, corres CSSR cup, 1982. (=1.e4 c5 2.b4 cb4 3.Bb2 d5)

    4.d3 Nf6 5.Nd2 Nc6 6.g3 de4 7.Ne4 e5 8.Nf3 Ne4-+ 9.de4 Qf6 10.Be2 Bh3 11.Bb5 Bg4 12.Be2 Rd8 13.Qc1?? Bf3 14.Bf3 Qf3 15.0-0 Bc5 16.Qe1 h5 17.Rd1 Rd1 18.Qd1 Bf2! (18...Bf2 19.Rf2 Qd1 20.Kg2 Rh6 21.Be5 Ne5-+) 0–1. clavecinist (2090) – pierred (2745), net–chess.com, 2008.

    4.ed5 Qd6 5.Nf3 Qd5 6.c4 Qe4 7.Be2 Nf6 8.d3 Qg4 9.0-0 Qd7 10.Nbd2 Nc6 11.Rc1 e6 12.Bf6 gf6 13.Ne4 Be7 14.d4 Qc7 15.d5 Ne5?? 16.d6+- Nf3 17.Bf3 Qd7 18.de7 (18.de7 Qd1 19.Rfd1 Ke7 20.Nd6+-) 1–0. poulmorphy (1720) – jirka44 (1665), kurnik, 2011.

    4.e5 Bf5 5.d4 e6 6.Bb5 Nd7 7.c4 bc3! 8.Bc3 (8.Nc3 a6 Combination; 8.Bc3 a6 Combination) 8...Rc8 9.Ne2 Ne7 10.0-0 Nc6 11.Ng3 Bb1 12.Rb1 Nce5 13.Be1 (13.de5 Rc3 14.Qg4 h6-/+) 13...Nc6 14.f4? (better is 14.Bc6!? bc6 15.Rb7-/+) 14...Nd4!-+ 15.f5 (15.Qd4 Bc5) 15...Nf5?? (better is 15...e5-+) 16.Nf5+= ef5 17.Rf5 Bc5 18.Kh1 0-0 (better is 18...d4!? 19.Re5 Kf8+/-) 19.Rd5+- Qf6 20.Rd7 a6 (20...Rcd8 21.Bg3+-) 21.Be2 b5 22.Bf3 (22.a4 ba4 23.Qa4 Ra8+-) 22...Rcd8+/- 23.Rd8 Rd8 24.Qb3 Qd4 25.Bg3 Re8 26.Rf1 Re3 27.Bf2 (27.Bf2 Rb3 28.Bd4 Rf3 29.Rf3 Bd4 30.Rd3+=) 1–0. Bishop,Peter (1810) – Scheerer,Daniel (1770), LUX–ch AB Differdingen, 2007. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5)

    4.e5 Bf5 5.Nf3 e6 6.a3 ba3 7.Na3 Ne7 8.Be2 Nec6 9.0-0 Nd7 10.c4 dc4 11.Nc4 Nb6 12.Na5 Qd5 13.Bc3 Be7 14.Nb7 0-0 15.Na5 Nb4 16.Nd4 Be4 17.Bb4 Bb4-/+ 18.Nac6 a5 19.Bb5? Rac8 20.Re1 Kh8 21.Qg4+= Bg6 22.h4 h5 23.Qf4 Nc4 24.Bc4 Qc4 25.Rac1?? Qd3?? 26.Nb4 ab4=+ 27.Nc6 Qa3 28.Ra1 Qd3 29.Ne7 Rcd8 30.Rad1 b3=+ 31.Qb4 Rb8-/+ 32.Ng6 fg6 33.Qc3 Qf5 34.f3 Rfc8 35.Qb2 Rc2 36.Qa3 Qd3 0–1. Rubach,Ingo – Schermer,Denis, Pinneberg op (3), 1997.

    4.e5 Nh6 5.a3 ba3 6.Na3 Nc6 7.Nf3 Bg4 8.h3 -/+.

    4.Qf3 de4 5.Qe4 Nc6 6.Bb5 e6 7.Nf3 Bd7 8.d4 Nf6 9.Qe2 Be7 10.0-0 0-0 11.Rd1 Nd5 12.c4 bc3! 13.Nc3 (13.Nc3 a6 Decoy; 13.Bc3 a6 Decoy) 13...Ncb4 14.Ne4 Bb5 15.Qb5 Qb6 16.Qa4 Qc6 17.Qb3 Qc2 18.Qc2 Nc2 19.Rac1 Rac8 20.Nc5 Ncb4 21.a3 Na2 22.Ra1 Nac3 23.Bc3 Nc3 24.Rd3 Bc5 25.dc5 (25.Rc3!? Bd4! 26.Rc8 Ba1 27.Rc7-/+) 25...Rc5-+ 26.Rd7 Rb5 (26...Rb8 27.Nd4-+) 27.h3 a5 28.Nd4 Rd5 29.Rc7 Rd4 30.Rc3 Rb8 31.Rb3 (31.Rb1 Kf8-+) 31...b5 32.Rc1 Rd5 33.Rc7 Kf8 34.Ra7 b4 35.Rf3 f6 36.Rg3 Rg5 (36...Rg5 37.Rb3 Rgb5-+) 0–1. Loeffler,Arturo Georg – Copie,Jose Antonio, LADAC corr Argentina, 1971. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5)

    4.Qf3 e6 5.Nh3 Nc6 6.Bb5 de4 7.Qe4 Bd7 8.0-0 -/+.

    4.ed5 Qd5

    5.a3 ba3 6.Na3 Nc6 7.Nb5 Qd8 8.Nf3 Nf6 9.Be2 Bg4 10.0-0 e6 11.Ne5 Be2 12.Qe2 Be7 13.Nc6 bc6 14.Nd4 Qd7 15.Ra6 Rc8 16.Rfa1 Rc7 17.Nf3 0-0 18.Ne5 Qd5 19.d3 (19.c4!? Qe4 20.Qe4 Ne4 21.d3=) 19...Bc5= 20.c4 Qd6 21.Nf3 Rb7 (21...Qe7 22.Be5 Bd6 23.Bd6 Qd6 24.Ra7 Ra7 25.Ra7=) 22.d4 Qb8 23.R1a2 Bb6 24.g3 (24.c5 Bc7-/+) 24...c5 (24...Qa8 25.Qe1+=) 25.d5= ed5 26.Bf6 gf6 27.cd5 Re8 (27...Rd8!?+=) 28.Qc4 Rbe7 29.Rd2 Re4 30.Qb5 Qd6 31.Ra4 Kf8 32.Re4 Re4 33.Qd3 f5 34.Rc2 (34.Qc2 Kg8=) 34...f6 35.Kg2 Bc7 36.Qc3 Bb6 37.Qd3 Kf7 38.Nh4 Re5 39.Nf5 Qd5-/+ 40.Qd5 Rd5 41.Ne3 Rd4 42.Kf1 Ke8 43.Ke2 Kd7 44.Nf5 Rd5 45.Ne3 Rd4 46.Nf5 Rb4 47.Rd2 Kc6 48.Rd6 Kb5 49.Rf6 Rb2 50.Kd3 c4 51.Kc3+= Rb3 52.Kc2 Kb4 53.Ne7 Rc3 54.Kb2 Rd3 55.Kc2 Bc5 56.Rf7 Kb5 57.Rf5 a5 58.Nd5 Kc6 59.Ne3 Bb4 60.Kb2 Rd2 61.Nc2 Rd5 62.Rd5 Kd5 63.f4 Ke4 64.h3 h5 65.Kc1 Bd6 66.Kb2 Bf4 67.gf4-/+ Kf4 68.Kc3 Kg3 69.Kc4 Kh3 70.Kd3? a4 71.Ke2?? Kg2 72.Ne3 Kg1 73.Kf3 a3 (73...a3 74.Nc2 a2-+) 0–1. Schmitt,Larry – Desmarais,Chris, Boylston CC–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 ba3)

    5.a3 ba3 6.Na3 Nc6 7.Bc4 Qg2-+ 8.Qf3 Qf3 9.Nf3 f6 10.Nb5 Kd8 11.d4 Bg4 12.Nd2 e6 13.f3 Bf5 14.Ne4 Nh6 15.0-0 a6 16.Rfd1 Nb4 17.d5 e5 18.Na3 Be4 19.fe4 Bc5 20.Kg2 Ng4 21.Bc1 b5 22.Be2? (22.c3 bc4 23.cb4 Bb4 24.h3 Ba3 25.Ra3-/+) 22...Nf2 23.Re1 Ne4 24.Bf1 Nd6 25.Rd1 (25.c3 Nd5 26.Nb5 Ke7 27.Nd6 Kd6-+) 25...Bd4 26.Rd4 (26.Bd2 Nd5 (26...Ba1?! 27.Bb4 Bd4 28.Bd6-+) 27.c3 Bc3 28.Bc3 Ne3 29.Kg3 Nd1 30.Rd1 Ke7-+) 26...ed4 27.Nb5 Nb5 (27...ab5 28.Ra8 Nc8 29.d6=) 28.Bb5 Kc7 (better is 28...Rc8!? 29.Ba4 Nc2 30.Rb1 Ne1 31.Kf1-+) 29.Ba4 Nd5 0–1. Dunne,Paul (1875) – Wehner,Janis (2235), Leipzig VfB op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 ba3)

    5.a3 ba3 6.Na3 Nc6 7.Nf3 Nf6 8.Be2 Bg4 9.Nb5 Qd8 10.h3 Bf5 11.0-0 g6 12.d4 (12.g4 a6 13.gf5 ab5 14.Bf6 ef6 15.Bb5 Ra1 16.Re1 Be7 17.Qa1 Kf8+=) 12...Bg7 13.d5 Nb4 14.c4 0-0 15.Ra7 Ra7 16.Na7 Qa5 17.Bc3 (17.Nb5!? Bd7 18.Nfd4+=) 17...Nfd5+= 18.Bg7 Kg7 19.Nh4 Nf4 20.Nf5 Qf5 21.Bg4 Qc5 22.Qb3 Rd8 (22...Qa7?! 23.Qb4 e5 24.Rd1+=) 23.Nb5 Rd3 24.Qb2 f6 25.Rb1? (25.Re1 e5 26.Re4 Rd8-+) 25...Nc6 (better is 25...Rg3! 26.Kh1 Nbd3 27.fg3 Nb2 28.Rb2 Qc4-+) 26.Nc7-/+ Nd4 27.Qb7 Nh5?? (27...f5!? 28.Bd1 Qc4 29.Ne8 Kf8-/+) 28.Bd1 (28.Nd5 Nc6+/-) 28...Qe5 (better is 28...Qc4!? 29.Bh5 gh5=) 29.Nd5?? (29.Bh5 Qh5 30.Nd5 Rd1 31.Rd1 Qd1 32.Kh2+=) 29…Qe1 (29...Qe1 30.Kh2 Rh3 31.Kh3 Qh1 32.Kg4 Qg2 33.Kh4 Nf5) 0–1. Burke,Paul – Taylor,Gordon, Vancouver inv, 1984. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 ba3)

    5.a3 ba3 6.Na3 Bd7 7.Nf3 Nf6 8.Be2 e6 9.0-0 Bc6 10.Re1 Be7 11.Nc4 b6 12.Ne3 Qd8 13.Ne5 0-0 14.Bf3 Qc7 15.N3g4 Bb7 16.Ra4 b5 17.Rf4 Ng4 18.Rg4 f6 19.Bb7 Qb7 20.Nd3 e5 21.Rg3 Bd6 22.Qg4 Qd7 23.Qe4 Qc6 24.Qg4 Rf7 25.Rh3 Nd7 (25...Qc2 26.Qe4 Qc6 27.Qh7 Kf8 28.Qf5+/-) 26.Qh5 Nf8 27.Bc3 a5 28.Ra1 b4 29.Bb2 a4 30.c3? (30.Ne1-+) 30...a3 31.Bc1 b3 32.Rb1 b2 33.Bb2 ab2 34.Nb2 (34.Qd1-+) 34...Rb7 35.Qf5 Rab8 0–1. Podolsky,Anton – Kalinin,Mikolaj (2245), UKR–ch sf U20, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 ba3)

    5.a3 ba3 6.Na3 Nf6 7.c4 (better is 7.Nb5!? Kd8 8.Na7=) 7...Qd8+= 8.Nf3 e6 9.Be2 Be7 10.0-0 0-0 11.d4 Nc6 12.Qb3 Na5 13.Qc3 b6 14.Rfd1 Ne4 15.Qc2 Bb7 16.Bd3 f5 17.d5? (better is 17.Ne5!?+=) 17...ed5-+ 18.cd5 Rc8 19.Qa4 Nc5 20.Qf4 Nab3 (worse is 20...Qd5 21.Bc4 Nc4 22.Rd5 Nb2 23.Rf5=; 20...Nd3 21.Rd3 Bd5 22.Rad1=) 21.d6? (better is 21.Rab1 Nd3 22.Rd3-/+) 21...Bf6?? (better is 21...Nd3 22.Qe3 A) 22...Na1? 23.de7 Nb2 24.ed8Q (24.ed8N?! Nd1 25.Qe6 Kh8 26.Nb7 Rc1+=; 24.ed8R?! Rcd8 25.Ra1 Bf3 26.Qf3 Rd3+-) 24...Rcd8 25.Ra1 Bf3 26.Qf3+-; B) 22...Bd6 23.Rd3 Re8 24.Rd6 Re3 (24...Qd6?! 25.Qb3 Qe6 26.Qe6 Re6 27.Nd4-/+) 25.Rd8 Rd8 26.fe3 Na1-+) 22.d7? (22.Bc4 Kh8 23.Rab1 Na5=) 22...Ra8 (better is 22...Nd3 23.dc8R Qc8 24.Rd3 Na1 25.Bf6 gf6=) 23.Qf5?? (better is 23.Bf6 Rf6 24.Bc4 Kh8 25.Ra2=) 23...g6-+ 24.Bc4 Kg7 25.Bf6 Qf6 26.Qf6+= Kf6 27.Rd6 Ke7 28.Rad1 Bf3 29.gf3 Na5 30.Bb5 a6 31.Be2 b5 32.f4 Rad8 33.Bf3? Rd7 34.Rd7 Nd7 35.Bg4 Nc5 36.Rd5 Rf4 37.Rc5 Rg4 38.Kf1 Ra4 39.Nc2 Rc4 40.Rc4 Nc4 41.Nb4 a5 0–1. Wirth,Karl Heinz (1870) – Thuerauf,Peter (1940), Mittelfranken–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 ba3)

    5.a3 Qe4 6.Ne2 Nf6 7.ab4 Bd7 (7...Qb4 8.Bc3 Qd6 9.Nd4+=) 8.Nbc3 Qb4 9.Ba3 Qg4 10.Qb1 Bc6 11.f3 Qd7 12.Ng3 g6 13.Bd3 Bh6 14.Kd1 0-0 15.Re1 Re8 16.Qb4 Na6 17.Qh4 Bg7 18.Rb1 Rad8 19.Re2 Nc7 20.Nge4 Ncd5 21.Nd5 Nd5 (worse is 21...Qd5 22.Be7 Re7 23.Nf6 Bf6 24.Qf6+=) 22.Nc5 Qc7 23.Re6? (better is 23.Ne4-+) 23...fe6 24.Ne6 Qe5 25.Nd8 Rd8 26.Bb2 Qd6 27.Bg7 0–1. Alba Obaya,A – Melero Morales,JA, Asturias–chT, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2)

    5.a3 e6 6.ab4+= Nf6 (6...Qe4 7.Ne2 Qb4 8.Ra2+=) 7.Nc3 Qd8 8.b5 Bd6 9.Nf3 0-0 10.Ra4 Nbd7 11.Qa1 e5 (11...a6 12.Ne4 Ne4 13.Re4=) 12.Ne4 (12.Ra7 Ra7 13.Qa7 e4=) 12...Ne4= 13.Re4 Nc5 (13...Re8 A) 14.Be5? Qc7-+ (worse is 14...Ne5 15.Ne5 Bf5 16.Re3-/+); B) 14.Ne5? Ne5 15.Be5 f6-+; C) 14.Bc4+=) 14.Re3= f6 15.Bc4 Kh8 16.0-0 e4 17.Nd4 Bf4 18.Ra3 Be5 (18...Qd6 A) worse is 19.Ra7 Ra7 20.Qa7 A1) worse is 20...Bd2 21.Ba3 Qd4 22.Bc5 (22.Qc5?! Rd8=) 22...Qc4 23.Bf8+/-; A2) 20...Bh2 21.Kh1 f5-/+; B) 19.h3=) 19.f4+= ef3 20.Nf3 Bb2 21.Qb2 Bg4 22.c3 Re8 23.d4 Ne4 24.Bd3 Qd6 25.b6 Bf3 (25...a6 26.Ra5=) 26.gf3+/- Ng5 27.Ra7 Qf4 28.Ra8 (28.Kh1 Rab8+/-) 28...Ra8 29.Qe2 Qd6 30.Re1 g6 31.Kg2 Qc6 (31...Qb6 32.Bc4 Qc6 33.h4 Nf3 34.Qf3 Qc4 35.Qf6 Kg8 36.Qe6 Qe6 37.Re6+=) 32.Bc4 (32.h4 Ra2 33.Qa2 Qf3 34.Kg1 Qg3 35.Kf1 Qd3 36.Qe2 Qf5 37.Qf2 Qd3 38.Re2 Qh3 39.Qg2 Qf5 40.Rf2 Qb1 41.Ke2 Ne4=) 32...Rc8 33.h4 Nf3 34.Qf3 Qf3 (better is 34...Qc4 35.Qf6 Kg8+-) 35.Kf3 Rc4 36.Re7 (better is 36.Re8 Kg7 37.Re7 Kh6 38.Rc7+- (38.Rb7?! Rc3 39.Ke2 Rc6+/-)) 36...Rc3 37.Ke4 Rb3 38.Rb7 h5 39.d5 Rb4 40.Kd3 Rb5?! (40...Rb1+-) 41.Kc4 Rb1 42.d6 Rc1 43.Kd5 1–0. Rewitz,Poul (2200) – Jensen,Vagn (2210), Aarhus–C, 1985. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e6)

    5.a3 e6 6.Nf3 Nf6 7.Be2 Nc6 8.0-0 Be7 9.ab4 Nb4 10.Nc3 Qd8 11.Ne5 0-0 12.Bf3 Nbd5 13.Nb5 a6 14.c4 Nf4 15.d4 Rb8 16.Nc3 Nd7 17.Be4 (17.Bc1 Ne5 18.Bf4 Nf3 19.Qf3 Ra8+=) 17...Qc7 (17...f5 18.Nd7 Qd7 19.Bf3-/+) 18.Re1 (18.Bc1 Ng6 (18...Ne5? 19.Bf4 f6 20.de5+-) 19.Ng6 hg6+=) 18...Ng6 (18...f5!? 19.Nd7 Bd7-/+) 19.Ng6= hg6 (worse is 19...fg6 20.Nd5 ed5 21.Bd5 Kh8 22.Re7+/-) 20.c5 Nf6 (20...b6 21.cb6 Nb6 22.Ba3+=) 21.Bf3 (21.Ba3 Ne4 22.Re4 Ra8=) 21...Rd8 22.Ne4 (22.Na4 Nd7+=) 22...Ne4 23.Re4 (23.Be4 e5+=) 23...b6-/+ 24.c6 (24.cb6 Rb6 25.Rc1 Qd6-/+) 24...Qc6-+ 25.Rc1 (25.d5 Qb5 (25...Rd5?! 26.Rd4-/+) 26.Be5 Rd5-+ (26...ed5?! 27.Rd4 Rb7 28.Rb1-/+)) 25...Qb5 26.Ba1 (26.Re2 Bb7 27.Rec2 Bf3 28.Qf3 Qd5-+) 26...Bb7 27.Rf4 (27.Re1 Bf3 28.Qf3 Bd6-+) 27...Bf3 (27...Qg5!? 28.Bb7 Qf4 29.Ba6-+) 28.Qf3 0–1. Francsics,Endre (2210) – Peter,Ambrus (2335), Budapest act op rapid, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e6)

    5.Bb2 ba3 6.Na3 Nc6 7.Nb5 Qd8 8.Nf3 Nf6 9.Be2 Bg4 10.0-0 e6 11.Ne5 Be2 12.Qe2 Be7 13.Nc6 bc6 14.Nd4 Qd7 15.Ra6 Rc8 16.Rfa1 Rc7 17.Nf3 0-0 18.Ne5 Qd5 19.d3 Bc5= 20.c4 Qd6 21.Nf3 Rb7 22.d4 Qb8 23.R1a2 Bb6 24.g3 c5 25.d5= ed5 26.Bf6 gf6 27.cd5 Re8 28.Qc4 Rbe7 29.Rd2 Re4 30.Qb5 Qd6 31.Ra4 Kf8 32.Re4 Re4 33.Qd3 f5 34.Rc2 f6 35.Kg2 Bc7 36.Qc3 Bb6 37.Qd3 Kf7 38.Nh4 Re5 39.Nf5 Qd5-/+ 40.Qd5 Rd5 41.Ne3 Rd4 42.Kf1 Ke8 43.Ke2 Kd7 44.Nf5 Rd5 45.Ne3 Rd4 46.Nf5 Rb4 47.Rd2 Kc6 48.Rd6 Kb5 49.Rf6 Rb2 50.Kd3 c4 51.Kc3+= Rb3 52.Kc2 Kb4 53.Ne7 Rc3 54.Kb2 Rd3 55.Kc2 Bc5 56.Rf7 Kb5 57.Rf5 a5 58.Nd5 Kc6 59.Ne3 Bb4 60.Kb2 Rd2 61.Nc2 Rd5 62.Rd5 Kd5 63.f4 Ke4 64.h3 h5 65.Kc1 Bd6 66.Kb2 Bf4 67.gf4-/+ Kf4 68.Kc3 Kg3 69.Kc4 Kh3 70.Kd3? a4 71.Ke2?? Kg2 72.Ne3 Kg1 73.Kf3 a3 (73...a3 74.Nc2 a2-+) 0–1. Schmitt,Larry – Desmarais,Chris, Boylston CC–ch, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Bb2 ba3 6.Na3 Nc6 7.Nf3 Nf6 8.Be2 Bg4 9.Nb5 Qd8 10.h3 Bf5 11.0-0 g6 12.d4 (12.g4 a6 13.gf5 ab5 14.Bf6 ef6 15.Bb5 Ra1 16.Re1 Be7 17.Qa1 Kf8+=) 12...Bg7 13.d5 Nb4 The backward pawn on c2 becomes a target 14.c4 0-0 15.Ra7 Ra7 16.Na7 Qa5 17.Bc3 (17.Nb5!? Bd7 18.Nfd4+=) 17...Nfd5+= 18.Bg7 Kg7 19.Nh4 Nf4 20.Nf5 Qf5 21.Bg4 Qc5 22.Qb3 Rd8 (22...Qa7?! 23.Qb4 e5 24.Rd1+=) 23.Nb5 Rd3 24.Qb2 f6 25.Rb1? (25.Re1 e5 26.Re4 Rd8-+) 25...Nc6 (better is 25...Rg3! 26.Kh1 Nbd3 27.fg3 Nb2 28.Rb2 Qc4-+) 26.Nc7-/+ Nd4 27.Qb7 Nh5?? 28.Bd1 Qe5 29.Nd5?? Qe1 (29...Qe1 30.Kh2 Rh3 31.Kh3 Qh1 32.Kg4 Qg2 33.Kh4 Nf5) 0–1. Burke,Paul – Taylor,Gordon, Vancouver inv, 1984. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.Bb2 Nc6 6.ab4 Nb4 7.Nc3 Qf5 8.d3 Nf6 9.Nf3 e6 10.Be2 Bd7 (10...Be7 11.Na4 Nfd5 12.0-0+=) 11.0-0+= Be7 12.Nd4 (12.Ne4 0-0+=) 12...Qe5 (12...Qf4 13.Ne4+=) 13.Na4 (13.Ne4 Qc7+=) 13...Qc7 14.Nc3 (14.c3!? Nc6 15.Nb5-/+) 14...0-0-/+ 15.Bf3 a6 (15...Rfc8 16.Qb1-/+) 16.Qe2 (16.Re1 Bd6 17.h3 Rac8-/+) 16...Rfe8 17.Rfe1 (17.Rfc1 h6-/+) 17...Qb6 (better is 17...e5!? 18.Nb3 a5 19.Qe5 Bd6-+) 18.Nb3-/+ Rac8 19.Na5 Nfd5 20.Nc4 Qc7 (20...Qa7 21.Qd2 b5 22.Nd5 Nd5 23.Bd5 ed5 24.Ne5-/+) 21.Nd5 (21.g3 Bf6 22.Qd2 Nb6+=) 21...ed5-/+ 22.Ne3 Bg5 (22...Bd6 23.g3-/+) 23.c3+= d4 24.cd4 Bb5 25.Rac1 Qe7 (25...Qb8 26.Rc8 Qc8-/+ (26...Rc8?! 27.Be4=)) 26.Be4? (26.Rc8 Rc8 27.Ba3 Be3 (worse is 27...Bd3 28.Qd1 Qf8 29.Bb7+=) 28.Qe3 Qe3 29.fe3 Nd3+=) 26...g6 (26...Rc1!? 27.Bc1 (27.Rc1?? Qe4 28.de4 Be2-+) 27...Qe4 28.de4 Be2 29.Re2 Re4 30.Bd2-+) 27.Ba3 (better is 27.Rc8!? Rc8 28.Ba3 Qe4 29.de4 Be2 30.Bb4=) 27...Rc1-/+ 28.Rc1 (28.Bc1? Qe4! 29.de4 Be2 30.Re2 Re4-+) 28...Qe4!? 29.de4 Be2 30.Bb4 Re4 (30...b6 31.e5=) 31.Rc8= Kg7 32.Nd5 Kh6 (32...Rd4?? 33.Bf8 Kg8 34.Bh6 Bd8 35.Rd8) 33.Bf8 (33.f4 Rf4 (33...Bf4 34.Nf4 Rf4 35.Bd2+-) 34.Nf4 Bf4+=) 33...Kh5 34.Rc3?? (better is 34.f4 Rd4 35.Rc5=) 34...Rd4-+ 35.Rh3 Rh4 (35...Bh4 36.Nf6 Kg5 37.f4 Kf6 38.Rh4-+) 36.Rh4 (36.Rc3 Bc4 37.Ne3 Be6-+) 36...Kh4 37.g3 (37.f3 Bd1-+) 37...Kg4 38.Nc3 (38.f4 Bd8-+) 38...Kf3 39.h4 (39.Bc5 b5-+) 39...Bf6 40.Bb4 (40.Nb1 Ke4 41.Bb4-+) 40...Bd4 41.Kh2 Bf2 42.Bd6 (42.Ne2 Ke2 43.Kg2 b5-+) 42...b5 43.Nb1 (43.h5 gh5 44.Kh3 Bc4-+) 43...Be1 44.Be5 (44.Bf4 b4 45.Nd2 Kg4-+) 44...b4 45.Kh3 (45.Bf4 b3 46.h5 gh5-+) 45...Bf1 46.Kh2 Bd3 0–1. Kuzmin,Andrey (1785) – Dambaev,Bilikto (1905), Ulan–Ude RUS, Buryatia Ch, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.c4 Qa5 6.a3 Nf6 7.ab4 Qb4 8.Bc3 Qb6 9.Nf3 Nc6 10.c5? (better is 10.Be2!?+=) 10...Qc5-+ 11.d4 Qd5 12.Na3 Bg4 13.Bc4 Qe4 14.Kf1 e6 15.Nb5 Qf4 16.Bd2 Qb8 17.Ba5 Na5 18.Ra5 Bb4 19.Ra4 Be7 20.d5 Bf3 21.Qf3 Nd5 22.Nd4 0-0 23.Bd5 ed5 24.g3 Qe5 25.Nf5 Bf6 26.Kg2 b5 27.Rf4 a5 28.Rd1 a4 29.Rd5 Qb2 30.Nh6 Kh8 31.Nf7 1–0. Sturm,Max G. de l'Isle dr – Sandrin,Angelo, Major League Invitational, 1951. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    5.c4 Qd7 6.d4 e6 7.Nf3 Nf6 8.Bd3 Be7 9.0-0 0-0 10.Nbd2 b6 11.Ne5 Qc7 12.Qf3 Bb7 13.Qh3 Nbd7 14.Rae1 Rfe8 (14...Rad8 15.f4+=) 15.Nd7= Qd7 16.Re3 (16.d5 g6 (16...ed5?? 17.Bh7 Nh7 18.Qd7+-) 17.Ne4 Nh5=) 16...g6 17.f4 (17.Nf3 Rad8+=) 17...Bf8 18.Qh4 Bg7 19.Rh3 Nh5 20.f5 (20.Nb3!?-/+) 20...ef5 21.Rf5? (21.Nb3 f4 22.Qf2 f3 23.Rf3 Bf3 24.Qf3 a5-+) 21...Qc6 (better is 21...gf5 22.Qh5 Bd4 23.Kh1 Bb2 24.Qh7 Kf8 25.Qh6 Bg7-+) 22.Rf2+= Bf6 23.Qg4= Bc8 24.Bf5 Bf5 25.Rf5+= Ng7 26.Rf2= Re1 27.Nf1 Qe6?? 28.Qf3+- Re8 29.Qf6 Qf6 30.Rf6 Nf5 31.Rf3 Rb1 32.Rf2+= a5? 33.a4?? Ree1 34.g4 Ne3+= 35.Rf7 Rf1 36.Rf1 Nf1 37.Rf1 Rb2 38.d5 Rd2 39.Rb1 Rd4 40.Kf2 Kf7 41.Rc1+= Rg4 42.Ke3 Ke7 43.c5 bc5 44.Rc5 b3 45.Kd2 Ra4 46.Kc3 Rb4 47.Kb2 a4 48.Rc7 Kd6 49.Rh7 a3! 50.Kb1 Rg4 (50...Rg4 51.Kc1 b2 52.Kc2 Rc4 53.Kb3 b1Q 54.Kc4 a2 55.Re7 Qc2 56.Kb4 a1Q 57.Re6 Kd5 58.Re5 Ke5 59.Kb5 Qaa4 60.Kb6 Qcc6) 0–1. Reh,Stefan (1915) – Feicht,Arno (2165), Bad Zwesten op 4th, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4)

    5.c4 Qf5 6.Nf3 Nf6 7.Be2 (7.d4 g5=) 7...Nc6 8.0-0 e6 (8...e5 9.Nh4 Qd7 10.d3+=) 9.d4 Be7 10.Bd3 Qh5 11.Nbd2 0-0 12.Re1 Rd8 13.Nf1 Kf8 (13...h6 14.h3 Qa5 15.Qe2=) 14.Qe2 Qa5 15.Rad1 Bd7 (15...Kg8 16.d5 ed5 17.Bf6 gf6 18.Nd4 Nd4 19.Qh5+/-) 16.Bb1 Be8 17.Ne3 Rac8? (17...Qa6 18.d5 ed5 19.Bf6 Bf6 20.Nd5 Rd5 21.Rd5+/- (21.cd5?! Qe2 22.Re2 Rd8=)) 18.g4 (18.d5!? Kg8+-) 18...h6 Prevents intrusion on g5 (18...Qc7+=) 19.Kh1 (19.d5 Qb6+/-) 19...Rd7 (better is 19...Qc7!?= is worthy of consideration) 20.d5+= White threatens to win material: d5xc6 20...Nd8 (20...Rcd8!?+=) 21.g5 hg5 22.Ng5 Rd6 23.Nf5! Deflection: e6 23...Ba4 24.Rd4 Rd5 25.cd5 Nd5 26.Qh5 Ke8 27.Ng7 Kd7 28.Nf7 Bc6 29.Ne5 Kc7 30.Nc6 bc6 31.Ne6 Kb8 32.Qe5 Kb7 33.Nd8 Bd8 34.Qg7 Bc7 35.Rde4 Nc3 36.Re7 Nb1 37.Rb1 Qd5 38.Qg2 Qa2 39.Qe4 Rg8 (39...Rg8 40.Rc7! Deflection: c6 40...Kc7 41.Be5 Kd7 42.Rd1 Qd5 43.Rd5 cd5 44.Qd5 Ke7 45.Qg8 b3 46.Qb3 Kd7 47.Qd5 Ke7 48.Qd6 Kf7 49.Qf6 Ke8 50.Qe6 Kd8 51.Bd6 a5 52.Qe7 Kc8 53.Qc7) 0–1. Baumert,Christian (2045) – Gahntz,Bernd Peter (2115), Berlin tt, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    5.d4 a6 6.Nf3 Nc6 7.Bd3 Nf6 8.Qe2 b5 9.0-0 e6 10.a3 Bb7-/+ 11.a4 Na7 12.Nbd2 Rc8 13.Rfe1 Be7 14.Qd1 Nc6 15.ab5= ab5 16.Ne4 0-0=+ 17.Qe2 Ra8 18.Nf6 Bf6 19.Be4 Qc4 20.Qd1 Rfd8 21.Nd2+= Rd4 22.Ra8+- Ba8 23.Nc4 Rd1 24.Rd1 bc4 25.Bf6 gf6 26.Rd6 (26.Rd6 b3 27.cb3 (27.Bc6?? bc2 28.Ba4 c1Q 29.Rd1 Qb2-+; 27.Rc6? Bc6 28.cb3 Be4 29.bc4 Kf8-+) 27...cb3 28.Rd3+/-) 1–0. Velkos,Dimitrios (1645) – Schallert,F (1685), AUT–chT9596 Vorarlberg, 1995.

    5.d4 Qe4 6.Be2 (better is 6.Ne2!?+=) 6...Qg2-+ 7.Bf3 Qg6 8.a3 Qd6 9.Nd2 Nf6 10.Nc4 Qe6 11.Ne3 ba3 12.Ra3 Qd6 13.Rb3 Nc6 14.c4 e6 15.Qa1 Be7 16.d5 ed5 17.cd5 Nb4 18.Ba3 Qf4 19.Qc3 a5 20.Bg2 Ne4 21.Be4 Qe4 22.f3 Qh4 23.Ke2 0-0 24.Qe5 Bd7 25.Bb2 Bb5 26.Kd1 (26.Kd2 Qf2 27.Kd1 Bf6-+) 26...Bf6 27.Qe4 Ba4 (27...Ba4 28.Qh4 Bb3 29.Ke2 Bh4-+) 0–1. Cibej,Marjan (1885) – Petrovic,Marko (1975), SLO–chT2 West, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    5.d4 e5 6.Nd2 ed4 7.Ngf3 Nc6 8.Bc4 Qd8 9.0-0 Be7 10.h3 Nh6 11.Nb3 0-0 12.Qd2 Nf5 13.Rfe1 Bf6 14.a3 Nd6 15.Bd3 a5 16.Nc5 (16.Nfd4!? Nd4 17.Nd4 ba3 18.Ra3-/+) 16...Qb6 17.Ne4 Ne4 18.Be4 Rd8 19.Qf4 Be6 20.Ng5 Bg5 21.Qg5 h6 22.Qh5 a4 23.ab4 Qb4 24.Ba3 Qc3 25.f4 Ra5 26.Qh4 Bd5 27.Bd3 Raa8 28.Qg4 Re8 29.Red1 Bc4 30.Bb2 Qb2 31.Bc4 Qc3 32.Bd5 Nb4 33.Bb7 Rab8 34.Qd7 Qc5 35.Qa4 d3 36.Kh1 dc2 37.Rdc1 Re7 38.Bf3 Rc8 39.Bg4 Rcc7 40.Qb3 Ra7 41.Ra7 Ra7 42.Bf5 Rc7?? 43.Rc2= Nc2 44.Qb8 Rc8 45.Qc8 Qc8 46.Bc8 Kf8 47.Kg1 Ke7 48.Kf2 Kd6 49.Kf3 Kd5 50.Bb7 Kd4 51.g4 f6 52.h4 Ne1 53.Ke2 Nd3 54.Kf3 g5 55.hg5 hg5 56.fg5 fg5 57.Bc8 Ne5 58.Kg3 Ke3 59.Be6 Nc6 60.Bf5 Nd4 61.Bc8 Ne2 62.Kh3 Kf3 63.Bb7 Kf4 64.Bc8 Nc3 65.Bd7 Ne4 66.Be6 Nf2 67.Kg2 Ng4-/+ 68.Kh3 Ne3 69.Bc8 Nf5 70.Bb7?? g4-+ 71.Kg2 Nh4 72.Kh2 g3 73.Kh3 Nf5 74.Kg2 Ne3 75.Kh3 Nf5 76.Bc6?? Ne7 77.Bb7 Nf5 78.Bc6 ½–½. Schulz,Hans Juergen (2095) – Stanke,Juergen (2320), Bargteheider Cup 6th, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    5.Be2? Nf6 6.Bf3 (6.Nf3 Nc6 7.c4 Qf5-/+) 6...Qc4 (6...Qg5 7.Ne2-/+) 7.d3 Qc7 8.Qe2 (8.Ne2 e5-/+) 8...Nc6 9.Nd2 Bf5 (9...h6 10.Be4-/+) 10.h3 (10.Nc4 Rc8-/+) 10...0-0-0 (10...Rd8 11.Nc4-/+) 11.Nc4 (11.Bc6 Qc6 (11...bc6?! 12.Ngf3=) 12.Ngf3 Nd5+= (12...Qc2? 13.Rc1 Qc1 14.Bc1+-)) 11...Nd5 (11...e5 12.Bc6 Qc6-/+ (worse is 12...bc6 13.Be5 Qd7 14.Nf3+=)) 12.Bd5+= Rd5 13.Ne3 Ra5 14.Nf3 e6 15.Nd2 (15.0-0 Be7+=) 15...Be7 16.Nb3 Ra6 17.g4 (17.Nf5!? ef5 18.Qf3-/+) 17...Bg6-/+ 18.Bg7 Rg8 19.Bb2 Na5 (19...Qd6 20.Qf3-/+) 20.h4 h6 21.Qf3 Bd6 (21...f6 22.h5 (22.Bf6?? Rf8-+) 22...Bh7 23.Nd4+= (23.Bf6 Rf8-+)) 22.Na5 Ra5 23.Nc4 Ra6 24.Rb1?? Bf4-/+ 25.a3 Rc6 26.ab4+= Kb8 27.Ne3 Ka8 28.b5 Rc2 29.Nc2 Qc2 30.0-0?? Qc7?? 31.b6!+- Qd6 32.Ra1 Qb6?? 33.Qf4 Qb2 34.Qe3 a6 35.Rfb1 Qc3 36.Qb6 Qc8+- 37.Rc1 Qb8 38.Rc7 Bd3+= 39.f3 f5 40.Rd1 Bb5 41.Rd4 fg4 42.Rg4= h5?? 43.Qb7!+- Qb7 44.Rg8 Ka7 45.Rb7 Kb7 46.Kf2 Kc7 47.Rg5 Be8 48.Ke3 Kd6 49.f4 Ke7 50.Kd4 Kf6 51.Re5 Bf7 52.Kc5 Be8 53.Kb6 Bb5?! 54.Rh5 Bd3 55.Re5 Bc4?? 56.Kc7 Bd5 57.Kd6 Bb3 58.h5 Kg7 59.Ke7 Kh6 60.Kf6 Bc4 61.Ra5 Bb5 62.Ke6 Kh5 63.f5 Kh6 64.Ke7 Bc4+- 65.f6 Kg6 66.Ra6!! Ba6 67.f7 Bd3 68.f8Q Bf5 69.Qf7 Kg5+- 70.Qf6 Kf4 71.Kd6 1–0. Vergilesov,Alexander (2050) – Peng,Tianlu (1960), Saint Louis USA, Thanksgiving Open, 2013. (=1.e4 c5 2.b4 cb4-/+ 3.Bb2 d5 4.ed5 Qd5)

    5.Qf3 Qe6 6.Be2 Nc6 7.Qd3 Nf6 8.Nf3 Qf5 9.0-0 -/+.

    5.a3 Nc6

    6.ab4 Qe4 7.Be2 Qb4 8.Qc1 e5 9.Nc3 Qb6 10.Nf3 Be6 11.Ng5 Bf5 12.Bc4 Bg6 13.0-0 Nf6 14.Kh1 Be7 15.f4 ef4 16.Rf4 0-0 17.Ra4 a6 18.Bb3 Qd8 19.Nce4 Ne4 20.Ne4 b5 21.Ra2 Kh8 22.Qa1 f6 23.d3 a5 24.c4? (better is 24.Ba3!?-+) 24...Nb4 25.Nf2 (25.cb5 Nd3 26.Qf1 Nf4 27.Qf4 Qd3-+) 25...Na2 26.Ba2 b4 (26...Bd3?! 27.Rd4 Bc4 28.Rd8 Rfd8 29.Bc4 bc4 30.Kg1-+) 27.c5 Bc5 28.Ng4 Be7 29.Rd4 Qc7 30.Be6 Rad8 31.Bc4 Rd4 32.Bd4 h5 33.Ne3 Bc5 34.Nd5 Bd4 35.Qd4 (35.Nc7?? Ba1 36.Kg1 Rb8-+) 35...Qe5 36.Qg1 Bd3! (36...Bd3 37.Bd3 Qd5-+) 0–1. Hrabinska,Myroslava (2180) – Iltchouk,Elena (2175), UKR tt (Women), 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.ab4 Qe4 7.Be2 Nb4-/+ 8.Na3 Bd7 9.Nf3=+ Rc8 10.0-0 Nf6 11.Re1 Qf5 12.Nd4 Qg6 13.Bf3 Nc6 14.Nab5 e6 15.Na7 Nd4 16.Nc8 Nf3=+ 17.Qf3 Bc8 18.Ra8 Kd7 19.Rc8? Kc8-+ 20.Ra1 Qe4 21.Qb3 Kd7 22.d4 Bd6 23.c4 Ra8! 24.Rd1 Qc6 25.d5 ed5 26.cd5 Qc7 27.Rc1-/+ Qb8 28.Qh3 Kd8 29.Bf6 gf6 30.Qh7 Bh2?? 31.Kh1?? Ke7?? 32.Qh2= Qh2 33.Kh2 Kd6 34.Rb1+= Kd5 35.Rb7 Ke6 36.Rb6 Kf5 37.Kg3 Rg8 38.Kf3 Rd8 39.g4 Kg6 40.Rb3 Rd4 41.Kg3 Rd5 42.f4+/- Kg7 43.Kf3 Ra5 44.Rb4 Ra8 45.Ke4 Kg6 46.Rb6 Ra4 47.Kf3 Kg7 48.Kg3 Ra3 49.Kh4 Ra4 50.f5 Ra1 51.Rd6 Ra4 52.Kg3 Rb4 53.Kf3 Ra4 54.Rd3 Rb4 55.Re3 Rb1 56.Re7 Hrabinska,Myroslava (2255) – Kisonova,Katarina (2165), EU–ch U18 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.ab4 Qe4 7.Be2 (7.Ne2!?+=) 7...Nb4-/+ 8.Na3 Bf5 (8...Qg2 9.Bf3 Qg5 10.Nc4-/+) 9.d3 (9.Kf1 Nc6-/+ (worse is 9...Nc2 10.d3 Ne3 11.fe3 Qe3 12.Qb3+/-)) 9...Qg2 10.Bf3 Qg6 11.Ne2 (11.Bd4 Qd6 12.Be3 Qc7-/+) 11...e5! 12.Be5 (12.Nc4 Nc6 13.Be5 Ne5 14.Ne5-/+) 12...Qe6?? (better is 12...Bd3 13.Nf4 Qg5 (worse is 13...Bc2 14.Qe2 Nd3 15.Kd2+/-; 13...Nc2? 14.Nc2 Bc2 15.Qe2+-) 14.Nd3 Nd3 15.cd3 Qe5 16.Kf1 Bc5-+) 13.Nc4 (13.Bb7 Rd8 14.d4 Qd7+=) 13...Rd8 (13...Nc6 14.Nf4 Bb4 15.Kf1 Qh6 16.Bc6 bc6+=) 14.0-0 (14.Nf4 Qc4 15.dc4 A) worse is 15...Rd1 16.Kd1 (16.Bd1?! Nc6 17.Bc3 Nf6+=; 16.Rd1?! f6 17.Bb8 Nc6 18.Bc6 bc6+=) 16...f6 17.Bc3+-; B) 15...Nc2 16.Qc2 Bc2 17.Ra7 Ne7 18.Rb7 Rd7+/-) 14...b5+= 15.Nf4 Qd7?? (better is 15...Qh6 16.Ne3 Qg5 17.Kh1 Be4=) 16.Re1+/- bc4 17.Bg7 Ne7 (better is 17...Be7!? 18.Bh8 cd3 19.cd3 Nd3 20.Nd3 Bd3+-) 18.Bh8+- Qc7 19.Be5 Qb6 20.Rb1 Qc5 (20...Bh6 21.Qe2 cd3 22.Nd3+-) 21.Qd2 a5 22.Nh5 Kd7 (22...Rd6 23.Bd6 Qd6 24.Ra1 cd3 25.Ra5 Qg6 26.Kh1+-) 23.Bb7 (23.dc4 Kc8 24.Bb7 Kb7 25.Qd8 Nec6 26.Qc7 Ka6+-) 23...Ned5 (23...Ng8 24.dc4 Bd6 25.Qf4+-) 24.Qg5 (better is 24.dc4 Bd6 25.Bd5 Bg6 26.Bd6 Qd6+-) 24...Be6 25.Nf6 (better is 25.Bd5 Bd5 26.Nf6 Kc8 27.Nd5 Rd5 28.c3+-) 25...Nf6+/- 26.Bf6 Qg5 27.Bg5 Rb8 28.Be4 c3 (28...Bd6 29.Bf6 Rg8 30.Kh1 Nc2 31.Red1+-) 29.d4 (29.Bh7 Nc2 30.Rb8 Ne1+/-) 29...Rb5 30.Bf6 a4 0–1. McTavish,David – Elieff,Kosta, London Canada, 1991. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.ab4 Qe4 7.Ne2 Qb4 8.Bc3 Qb6 9.Na3 Nf6 10.Ng3 e6 (10...Nd5 11.Nc4 Qc7 12.Bb2-/+) 11.Bc4 (11.Bf6 gf6 12.Nc4 Qc7+=) 11...Bc5 12.0-0 Bd4 13.Nb5 Bc3 14.Nc3 0-0 15.Nh5 Nh5 16.Qh5 Qd4 17.Bd3 g6 18.Qh6 Qg7 (18...Nb4 19.Nb5 Qc5 20.Qe3 Nd3 21.Qd3-/+) 19.Qh4+= Ne5 (19...Rd8 20.Rfe1+=) 20.Be2= Bd7 21.f4 Nc6 22.Bf3 f5 (22...Qd4 23.Kh1+=) 23.Kh1 a6 24.Na4 (24.Qf2 Rfd8=) 24...Rab8 (24...Nd4 25.Bb7 Nc2 26.Ra2 Ba4 27.Ba8-/+) 25.Nc5 Rfc8 (25...Qd4 26.Qf2 Rfd8 27.Rab1+= (worse is 27.Nd7 Qf2 28.Rf2 Rd7-/+)) 26.c3 Nd8 27.d4 Bc6 28.Bc6 Rc6 29.Rfb1 Rbc8 30.Qe1 (30.Rb3 Qc7=) 30...Qc7 31.Qd2 (31.Qg3 a5=) 31...a5 (31...Qd6 32.Qe3+=) 32.Rb3 b6 33.Na4 Nf7 34.Rab1 Rb8 35.Qe3= Rd6 36.h3 Rc6 37.Nc5 Re8 38.Na4 Rb8 39.Kg1 h6 40.Kf2 Kh7 41.g3 Nd6-/+ 42.Nc5 Re8 43.Na4 Ne4 44.Kg2 Rb8 45.Kh2 b5! 46.Rb5 Rb5 47.Rb5 Rc4 48.Nc5 Rc3 49.Qe1? Rc2-+ 50.Kg1 Nc5 51.Qb1?? Nd7 52.Rb7 Qc6 53.Rd7 Qd7 54.Qc2 Qd4 55.Kh2 0–1. Cwirin,Leandro – Caramia,Javier (2220), Villa Martelli, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.d4 e6 7.Nf3 Nf6 8.Bd3 Be7 9.0-0 0-0 10.Qe2 b6 11.Rd1 Bb7 12.c4 bc3! 13.Nc3 (13.Nc3 Nd4; 13.Bc3 Qh5) 13...Nd4 14.Bh7 Nh7 15.Rd4 Qh5 16.Ne4 Ng5 17.Neg5 Bg5 18.Qe5 Bf3 19.gf3 (better is 19.Rg4! f6 20.Qe6 Qf7 21.Qf7 Kf7 22.gf3+=) 19...Qg6-/+ 20.Rg4 Bf6 21.Qb5 Qf5 22.Bf6 Qf6 (22...Qb5? 23.Rg7 Kh8 24.Rg5 Kh7 25.Rb5+-) 23.Re1 Rad8 24.Ree4?? (24.Kg2 Rd6-+) 24...Rd5 (24...Qa1 25.Kg2 f5 26.Qb3 fg4 27.Qe6 Rf7 28.Rf4-+) 25.Qe2?? (25.Qb4-+) 25...Qa1 26.Kg2 f5 27.Ref4 Re5 (27...fg4?! 28.Qe6 Kh7 29.Rg4=) 28.Qd2 fg4 29.Rf8 Kf8 30.Qd8 Kf7 31.Qd7 Kg8 32.f4 Rc5 33.Qe6 Kh7 34.Qg4 Qf6 0–1. Dalheim,Even – Schjelderup,Nils Jakob, NOR–ch qual Gausdal, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 e5 7.ab4 Bb4 8.Na3 Bg4 9.Be2 Rd8N 10.0-0 Nf6 11.Nb5 0-0 12.Na7 Bf3 13.Bf3 e4 14.Bf6 gf6 15.Bh5 Ne5 16.d3 Bc5 17.Be2 ed3 18.cd3 Bd4 19.Ra4 Kh8 20.g3 Rfe8 21.Qd2 b5 22.Rd4 Qd4 23.Nb5 Qd3! 24.Qd3 Nd3 25.Nc3 Rc8 26.Bd3 Rc3 27.Bf5 Re5 28.Bg4 h5 29.Bd1 Kg7 30.Kg2 Kh6 31.h4 f5 32.f4 Rd5 33.Bf3 Rdd3 34.Rf2 Kg6 35.Rf1 Kf6 36.Rf2 Ra3 37.Rf1 Re3 38.Rf2 Rec3 39.Rf1 Ke6 40.Rf2 Kd6 41.Rf1 Kc5 42.Rf2 f6 43.Rf1 Rd3 44.Rf2 Kd4 45.Rf1 Re3 46.Rd1 Kc5 47.Rc1 Kd6 ½–½. Ros,Alejandro – Svendsen,Bertil, IECG, 1999.

    6.Nf3 e5 7.ab4 Bb4 8.Nc3 Bc3 9.Bc3 -/+.

    6.Nf3 e5 7.c4 Qe4 8.Be2 Nf6 9.0-0 ba3 10.Na3 Bc5 11.d4? ed4-/+ 12.Bd3 Qg4 (12...Qf4 13.g3 Qh6 14.Nc2-/+) 13.h3 (13.Re1 Be6 14.Nb5 0-0+=) 13...Qh5 Black has an active position (13...Qf4 14.Re1 Be6 15.Qb3-/+) 14.Re1 (14.Nb5!? should not be overlooked 14...0-0 15.Nbd4+=) 14...Be6-/+ 15.Nb5 0-0-0 16.Ra4 (16.Bc1-/+) 16...a6 Black threatens to win material: a6xb5 (better is 16...Rhe8-+ and the scales tip in favour of Black) 17.Qa1= Kb8 18.Nbd4 Nd4 (18...Bd7!? 19.Ra2 Rhe8 20.Nc6 Bc6+=) 19.Bd4= (19.Nd4 Qh4 20.Ra6 Bd4 (20...ba6 21.Qa6 Rd6 22.Qb5 Rb6 23.Qc5+-) 21.Ra8 Kc7 22.Qa5 Kc6 23.Qb5 Kc7 24.Qa5 Kd7 25.Qb5 Kd6 26.Ba3 Kc7 27.Qa5 Kd7 28.Qb5 Kc7 29.Qa5 Kd7 30.Qa4 Kc7 31.Qa5=) 19...Bd4 20.Nd4 Qc5 21.Ne6 fe6 22.Bf1 Rhe8 23.Rb1 Ka7 24.Qb2 Re7 25.Rb4 White has a mate threat 25...Rdd7?? 26.g3?? White lets it slip away 26...e5 27.Bg2?? White threatens to win material: Bg2xb7. throwing away the advantage 27...e4= White has a new backward pawn: f2 28.Kh2 h5 29.Ra4 Re6 30.Rb4 White has a mate threat 30...Ree7 31.Ra4 Re6 Twofold repetition 32.Rb4 b6 33.Qa2 Ne8 34.Be4?? allows the opponent back into the game. 34...Re4?? forfeits the clear win 35.Rb6+- Qc4?? terrible, but what else could Black do to save the game?. . 36.Qb2 Rc7 37.Rb8 (37.Rb8 Qb5 38.Rb5 Nd6 39.Rb6 Rb4 40.Qb4 Nc4 41.Rb7 Ka8 42.Ra7 Ra7 43.Qf8; 37.Ra6 Qa6 38.Qb8) 1–0. Sonnet,Jean Pierre (2155) – Meynard,Thibault (2190), FRA–chT2 France, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 e6 7.ab4+= Nb4 8.Nc3 Qd8 9.Ne5 Nf6 10.Ba3 (10.Bb5 Bd7+=) 10...a6 11.Qb1 Nbd5 12.Bf8 (12.Bb2 Nd7 13.Bb5 N5b6 14.Nd7 Bd7 15.Bd7 Qd7-/+) 12...Kf8 (12...Nc3 13.dc3 Rf8 14.Bb5 Bd7 15.Nd7 Nd7 16.Bd3-/+) 13.Qb3 (13.d4 Kg8 14.Nd5 Nd5+=) 13...Qc7-/+ 14.Nd3 (14.Nc4!?-/+) 14...Nc3-+ 15.dc3 e5 16.Be2 Be6 17.Qb4 Kg8 18.Ra5 e4 19.Rc5 (19.Nc5 Bd5-+) 19...Qb8-+ 20.Ne5 h6 21.Bc4 b6 22.Be6 fe6 (22...bc5?? 23.Bf7 Kh7 24.Bg6 Kg8 25.Qc4 Nd5 26.Qd5 Kf8 27.Qf7) 23.Qc4 Kh7 (23...bc5?! 24.Qe6 Kh7 25.Qf5 Kg8 26.Qe6 Kh7 27.Qf5 Kg8 28.Qe6=) 24.Nc6?? (better is 24.Rc7 Rd8 25.Nf7-+) 24...Qf4 25.Re5 (25.0-0 bc5 26.Qe6 Rhe8-+) 25...Qc1 26.Ke2 Qh1 0–1. Grekh,A (2370) – Zakhartsov,V (2540), Vasylyshyn Mem, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 e6 7.c4 bc3 8.Nc3 Qd8 9.Ne4 Nf6 10.Nf6 gf6 11.Bc4 Bg7 12.h4 0-0 13.Rh3 e5 14.Rg3 Kh8 15.h5 Bh6 16.Ng1 Be6 17.Be6 fe6 18.Ne2 Qe7 19.Rb1 Rad8 20.d3 Rg8 21.Qb3 b6 22.Rd1 Qf7 23.Qc4 Na5 24.Qh4 Bg5 25.Qh3 Nb3 26.Rf3 Qe7 27.d4 Nd4 28.Bd4 ed4 29.Nd4 e5 30.Nf5 Rd1 31.Kd1 Qc5 (31...Qc5 32.Rd3 e4-+) 0–1. Meleshko,Vladimir (2135) – Zinchenko,Yaroslav (2485), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 Nf6 7.ab4 Qe4 8.Be2 Qb4 9.Ba3 Qb6 10.Nc3 e6 11.Bf8 Kf8 12.0-0 g6 13.Nb5 Kg7 14.d4 a6 15.c4 Rb8 16.c5 Qd8 17.Nd6 Ne8 18.Nc4 Ne7 19.Qc1 Nd5 20.Rd1 Bd7 21.Nce5 Nec7 22.h4 f6 23.Nc4 Nb5 24.h5 Rf8 25.Nh2? (better is 25.Re1!?+=) 25...Ndc3-+ 26.Qe3 Ne2 27.Qe2 Nc3 28.Qe3 Nd1 29.Rd1 Ba4 30.Ra1 Bc6 31.Nd6 Qe7 32.Ng4 Kg8 33.Qg3 g5 34.Re1 Bd5?? (34...Kh8 35.Qb3 Bd7 36.Ne3-/+) 35.f4?? (better is 35.Nh6 Kh8 36.Ndf7 Rf7 37.Nf7 (worse is 37.Qb8 Rf8 38.Qg3 f5-/+) 37...Qf7 38.Qb8 Kg7 39.Qh2+/-) 35...Qg7 36.f5 ef5?? 37.Nf5+- Qd7 38.Re7 Qa4?? 39.Nf6! (39.Nf6 Rf6 40.Qb8 Rf8 41.Rg7 Kh8 42.Qf8 Bg8 43.Qg8) 1–0. Schaffranietz,Horst (1990) – Safyanovsky,Mark (2230), Regionalliga SW, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 Nf6 7.ab4 Qe4 8.Be2 Qb4 9.Bc3 Qb6 10.0-0 Nd5 11.Bc4 Qc5 12.Bb3 Nc3 13.Nc3 e6 14.Re1 Be7 15.Re3 0-0 16.d4 Qf5 17.Ne2 Rd8 18.c3 Bd6 19.Bc2 Qh5 20.Ng3 Qh6 21.Ne4 Bc7 22.g3 Ne7 23.Neg5 g6 24.Bb3 (24.Be4 Qh5 25.Qb3 h6 26.Bb7 Rb8-+) 24...Nf5 25.Rd3 Qf8 (25...Nd6!?-/+) 26.Ne5= Nh6 27.Qd2 Be5 (27...Qe7 28.Ne4 Nf5 29.Qe2=+) 28.de5= Rd3 29.Qd3 Qe7 30.Ne4 b6 31.g4 Bb7 (31...Kg7!? 32.Qh3 Ng8=) 32.Nf6+= Kf8 33.Qh3 Threatening mate... how? ½–½. juliangon (2695) – GoBoSox (2865), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 Nf6 7.c4 bc3 8.Nc3 Qa5 9.Bc4 e6 10.0-0 Be7 11.Nb5 0-0 12.Bc3 Qd8 13.Ne5 Ne4 14.Nc6 bc6 15.Qf3 Nc3 16.Nc3 Bb7 17.Rab1 Qc7 18.Ne4 Rab8 19.Qe3 c5 20.d3 Bd5 21.Rbc1 Rfc8 22.Rc2 Be4 23.Qe4 Bf6 24.g3 Bd4 25.Kg2 Qc6 26.Rd1 (26.f4 Qa4 27.Ra2 g6-+) 26...Kf8 (26...Qa4!? 27.Rdd2-+) 27.Qc6 Rc6 28.a4 Rb4 29.a5 e5 30.a6 Rcb6 31.Rdd2 Ra4 32.Ra2 Ra2 33.Ra2 Rb4 34.Rc2 Ke7 35.Kf3 f5 36.h3 h5 37.Bd5 g5 38.Bc4 Kf6 39.Bd5 g4 40.hg4 hg4 41.Kg2 f4 42.f3 Rb1 43.fg4 Rg1 44.Kh2 Rg3 (44...fg3?! 45.Kh3-/+) 45.Rg2 Rd3 46.g5 Kg7 47.Be4 (47.Bc4 Rc3 48.Be6 f3-+) 47...Ra3 48.Rg4 Ra6 0–1. Sheynin,Izrail (2170) – Kopasov,Evgeny (2075), St Petersburg Chigorin CC–ch, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    6.Nf3 Nf6 7.c4? bc3 8.Nc3-/+ Qd8 9.Bb5 (9.d4 e6-/+) 9...e6 (9...g6 10.d4-/+) 10.0-0 (10.Bc6 bc6 11.Ne2 Be7-/+) 10...Be7 (10...Bd7 11.Na2-/+) 11.Bc6 bc6 12.Ne5 Qc7 13.Re1 0-0 (13...Rb8 14.Qc2-/+) 14.Rc1? (14.Qf3 Bd7-/+) 14...Bb7 (14...Rb8 15.Na4 Bd7-/+) 15.Na4 (15.Qc2 Qa5-/+) 15...Rfd8 (15...Bd6 16.h3-/+) 16.Qc2 (16.Nc5 Bd6-/+) 16...Rac8 (16...Rab8 17.Re3 Bd6 18.Nf3-+) 17.d4 Rd5 (17...Rb8-/+) 18.Nd3 (18.Re3 Nd7+=) 18...c5 19.Nac5 (19.Nac5 Rg5 Combination; 19.Ndc5 Ng4 Combination; 19.dc5 Ng4 Combination) 19...Rh5 (19...Bc5 20.Nc5 Rg5-+) 20.f4 (20.Re5 Bd5+=) 20...Ba8 (20...Bc5 21.dc5 Qe7 22.Ne5=) 21.Qe2 Bc5 22.dc5 Rf5 (22...Rh4 23.h3=) 23.Be5 Qb7 (23...Qc6 24.Bf6 gf6 25.Rcd1=) 24.Qb2 (24.Rb1 Qc6=) 24...Qb2 25.Nb2 Nd7 26.g4 (26.Nd3 Ne5 27.Re5 Re5 28.Ne5 Bd5=) 26...Ne5+= 27.gf5 (27.Re5 Rf4 Combination; 27.fe5 Rf4 Combination) 27...Nf3 28.Kf2 Ne1 29.Ke1 ef5 30.Kd2 Kf8 31.Ke3 Ke7 32.Kd4 Rd8 33.Kc3 Be4 34.Nc4 Rd3 35.Kb4 Rh3 36.Nd6 Kd7 37.Nf7 Rh2 38.Rd1 Kc7 39.Rd6 Rb2 40.Kc4 Rc2 41.Kd4 Rd2 42.Ke5 Rd6 43.cd6+= Kd7 44.Ng5 h5 45.Ne6 h4 46.Nf8 Kd8 47.Ne6 Kc8 48.Nc5 Bc6-/+ 49.Kf5? h3-+ 50.Nd3 h2 51.Nf2 ½–½. Gallegos,Paul (2205) – Huang,Gary M (1960), Sunnyvale LERA–ch, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.a3 Nc6)

    6.ab4 Nb4

    7.Na3 Nc6 8.Nb5+= Qd8 9.Bc4 e6 10.Qf3 Nf6 11.Qf4 Rb8 12.Be5 Ne5 13.Qe5 Nd7 14.Nc7 Ke7 15.Qg3 Nb6 16.Nb5 Nc4 17.Qh4 (17.Qb8!? Qd2 18.Kf1 Qc2 19.Na7+=) 17...f6-/+ 18.Qc4 a6 19.Nd4 Kf7 20.Ngf3 Bd6 21.0-0 Re8 22.Rfe1 Qc7 23.Qb3 b5 24.Re4 Rb6 25.Rae1 Qd7 26.Qd3 e5 27.Nh4 (27.Qb3 Kf8 28.Ne2 Bb7-+) 27...Bb7 28.R4e3 (28.Qb3 Kf8 29.R4e2 g5-+ (29...ed4 30.Re8 Qe8 31.Re8 Ke8 32.Qe6 Kd8 33.Qg8 Kd7 34.Qg7 Be7 35.Nf5+-)) 28...e4 (28...Bc5 29.Nb3 Qd3 30.Rd3-+ (30.cd3?? Be3 31.de3 b4-+)) 29.Qb3-/+ Kf8 30.Nhf5 Bd5! 31.Qb1 (31.Qd5 Bh2 Double attack) 31...Bc5 32.Rc3 (32.d3 g6 33.de4 Bc4-+ (33...gf5?! 34.ed5 Re3 35.fe3+=)) 32...Bd4 (32...Bc4 33.d3-+) 33.Nd4 Kg8 34.Qb4 Qd6 35.Qd6 Rd6 36.Rc7 g6 37.Re3 Bf7 38.c3 Kf8 39.Re1 f5 40.Ra1 b4! 41.Rb7 bc3 42.dc3 Rc8 43.Ra3?? Rd4! (43...Rd4 44.h4 Rd6-+) 0–1. Gajewski,Grzegorz (2125) – Flumbort,Andras (2280), Artek olJ, 1999. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.ab4 Nb4)

    7.Na3 Bf5!? -/+.

    7.Nc3 Qd8 8.Bc4 Nf6 9.Nf3 e6 10.0-0 Be7 11.Re1 0-0 12.d4 b6 13.Ne5 Bb7 14.Re3 Nbd5 15.Nd5 Bd5 16.Bd3 a5 17.Qe2 Bb7 18.c4 Qc7 19.Rh3 g6 20.Rg3 Bd6 21.h4 Be5 22.de5 Nd7 23.h5 Nc5 24.hg6 Nd3?? (better is 24...fg6 25.Bc2 Rf4+=) 25.gh7+- Kh8 26.Qd3 (26.Rd3 Qc4 27.Qd2 Be4+- (27...Kh7?? 28.Rh3 Kg6 29.Qh6 Kf5 30.Qf6 Ke4 31.Qf3)) 26...f5?? (26...Bc6+-) 27.ef6 Qf7 (27...e5 28.Qg6 Qf7 29.Qg7 Qg7 30.fg7 Kh7 31.gf8R Rf8 32.Rd1+-) 28.Rg7 (28.Rg7 Rad8 29.Rf7 Rd3 30.Rf8 Kh7 31.Rf7 Kg8 32.Rg7 Kh8 33.Ra3 Bf3 34.Rd3 Bh5 35.Rd8 Be8 36.Re8) 1–0. Schaffranietz,Horst (1985) – Maugg,Ludwig (1990), Regionalliga SW, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.ab4 Nb4)

    7.Nc3 Qd8 8.Nf3 Nf6 9.Ne5 Nc6 10.Nc6 (10.Bb5 Qc7 11.Qe2 e6=) 10...bc6=+ 11.Bc4 e6 12.Qf3 Bd7 13.Ne4 Be7 14.0-0 0-0 15.Qg3 Nh5 (15...a5 16.Be5=) 16.Qe5 (16.Qf3 Nf6=) 16...Bf6 (16...Qb8!?=+) 17.Nf6= Qf6 18.Ra5 Rfb8? (better 18...Rfd8+=) 19.Qb8!+- Rb8 20.Bf6 Nf6 21.Ra7 Kf8 22.Raa1 Rb4 23.d3 Ke7 24.Rfb1 Rb1 25.Rb1 Kd6 26.f3 (26.d4 c5 27.Rb6 Kc7 28.dc5 Ne4+-) 26...Nd5 27.Kf2 e5 28.Bd5 Kd5 (28...cd5 29.c4+-) 29.Ke3 Be6 30.g4 h6 31.Rb8 f5 32.gf5 (32.Rb7 g6+-) 32...Bf5 33.Rg8 g6 34.Rh8 h5 35.h4 c5 (35...Kd6+-) 36.Rd8 Kc6 37.f4 (37.c4 Kc7 38.Rd5 Kb6+-) 37...ef4 38.Kf4 Kb5 (38...c4 39.Ke5+-) 39.Rd5 Kb4 (39...Bg4 40.Rg5 Kb4 41.c4+-) 40.Ke5 Bg4 41.Kd6 c4 42.dc4 (better 42.Rd4 Ka5 43.Rc4 Be2+-) 42...Kc4 43.Rg5 Bf5 (43...Be2+-) 44.Rf5! gf5 45.Ke5 Kc3 46.Kf5 Kc2 47.Kg5 (47.Kg5 Kd3 48.Kh5 Ke4 49.Kg6 Ke5 50.h5 Ke6 51.h6 Ke5 52.h7 Ke4 53.Kg5 Ke3 54.h8Q Kd3 55.Qd8 Kc3 56.Qd6 Kb3 57.Kf4 Kc2 58.Ke4 Kc3 59.Qc5 Kb3 60.Kd3 Kb2 61.Qb5 Ka3 62.Kc3 Ka2 63.Qb2) 1-0. Fedoseev,Vl3 (2670) - Visakh,N R (2515), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6)

    7.Nc3 Qe6 8.Be2 Qg6 9.d3 Qg2 10.Bf3 -/+.

    7.Nc3 Qf5 8.Bb5 Bd7 9.Bd7 Qd7 10.Nf3 Nf6 11.0-0 e6 12.Ne5 Qc8 13.Qe2 (13.Ba3 Be7+=) 13...Be7 (13...Nc2 14.Ra4 Qc5 15.d4 Nd4 16.Rd4 Qd4 17.Qb5 Nd7 18.Rd1 Qd1 19.Nd1+=) 14.Qb5+= Nc6 15.Ra4 a6 16.Qe2 Ne5 17.Qe5 Qc5 (17...b5!? 18.Ra2 b4-+) 18.Qg3-/+ Qc6 19.d3 (19.Rfa1 b5 20.Ra5 0-0-/+) 19...b5 20.Rh4 (20.Qg7?? Rg8 21.Qg8 Ng8-+) 20...Bd6 21.Qe3 (21.Qg7?? Rg8 22.Qg8 Ng8-+) 21...Be7 22.Ne4?? (22.Qg3 Rg8 23.Rd4-/+) 22...Nd5-+ (22...Qc2?! 23.Bf6 gf6 24.Qf3-/+) 23.Qg3 Bh4 24.Qh4 f6 25.c4 Ne7 26.cb5 ab5 27.Rc1 Qb6 28.Qg3 Nf5 29.Qg4 0-0?? 30.Nf6= Kh8 31.Nd7 Qd6 32.Nf8 Rf8 33.Qe4 Rd8 34.h3 Kg8 35.Rc6+/- Qd3 36.Qe6 Kh8?? 37.Rc7 Qb1? 38.Kh2 Qb2 39.Qf5 h6+/- 40.Qf7 b4= 41.Qe7 Rb8 42.Rb7 Rb7+= 43.Qb7 Qd4 44.Kg1 Qc4 45.Qb8 Kh7 46.f4 b3-+ 47.f5 Qd4 48.Kh2 b2 49.Qg3 Qb6 0–1. Joerg,Harald (2345) – Schlosser,Hans (2335), Oberliga Bayern9596, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.ab4 Nb4)

    7.Nc3 Qf5 8.Bb5 Kd8 9.d3 Qg4 10.Nf3 Qg2 11.Rg1 Qh3 12.Rg4?? (12.Rg3 Qh5 13.Rg5=) 12...a5 (better is 12...Bg4 13.Ng5 Bd1 14.Nh3 Bc2-+) 13.Rg3?? (better is 13.Rd4 Kc7 14.Rb4 ab4 15.Nd5 Kd6 16.Ra8+-) 13...Qe6 14.Ne4 Qb6 15.c4 f6 16.Bc3 e6 17.Kf1 Nc6 18.Bc6 bc6 19.Ba5?? (better is 19.Qa4 Qb7 20.d4-/+) 19...Ra5-+ 20.Ra5 Qa5 0–1. Simoes,Guilherme – Ludwig,Christoph, ICCF EM/J50/P071 ICCF Email, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.ab4 Nb4)

    7.d3 e5 -/+.

    6.Nf3 Bg4

    7.ab4 Nb4 8.Nc3 (8.Be2 Bf3 9.Bf3 Qe6 10.Be2 Qc6=) 8...Qe6 9.Be2 Bf3 10.gf3 Nf6 11.Nb5 Qd7 12.Be5 Rc8 13.Ra7 (13.c3 Nd3 14.Bd3 Qd3 15.Na7 Rc5=+) 13...Nc6 (13...Nc2 14.Kf1 Qh3 15.Kg1-/+) 14.f4? (14.d4 Nd5 15.Ra4 e6=+) 14...e6 (14...Na7 15.Na7 Rc5 16.Qa1-+) 15.Qa1? (15.Bf6 gf6 16.Ra1 Rg8=+) 15...Bc5?? (15...Na7 16.Na7 Rc5 17.d4=+) 16.Rg1?? (better 16.Ra8=) 16...Ne4-+ (16...Ne5?! 17.fe5 Ne4 18.d4 Ba7 19.Na7-/+) 17.d4? (better 17.Ra4 Bf2 18.Kf1 Bg1 19.Kg1-+) 17...Ba7 18.Na7 (18.Bd3 f6 19.Be4 fe5 (19...Ne5 20.Na7 Rc4 21.fe5=) 20.fe5 Bb8-+) 18...Ra8 19.Bb5 f6 (19...f6 20.Qb2 fe5 21.Nc6 bc6 22.Rg7 A) 22...cb5 23.Rd7 Kd7 24.Qb5 Kc7 25.Qc4 Kb7 26.de5 (26.fe5?! Rhf8 27.Qb4 Kc6+/-) 26...Ra1 27.Ke2+-; B) 22...Qg7 23.Bc6 Kd8 24.Be4 Ra1 25.Ke2 ed4 26.Qb6 Ke7 27.Qc7 Kf6 28.Qe5 Kf7 29.Qc7 Kg8 30.Qd8 Qf8 31.Qg5 Kf7 32.Qh5 Ke7 33.Qc5 Ke8 34.Qb5 Kd8 35.Qb6 Kc8 36.Qb7 Kd8 37.Qb6 Ke8 38.Qb5 Kd8 39.Qb6=; 19...Ra7?! 20.Qa7 Na7 21.Bd7 Kd7 22.Rg7-+) 0-1. Grabinsky,V (2215) - Ambartsumova,K (2370), Titled Tuesday 7th July, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3)

    7.Be2 e5 8.ab4 Bb4 9.0-0 Nf6 10.h3 Bd7 11.Na3 0-0 12.d4 ed4 13.Nd4 Rad8 14.c4 Qg5 15.Nf3 Qg6 16.Bd3 Bf5 17.Nh4? (better is 17.Bf5!? Qf5 18.Qa4-/+) 17...Rd3-+ (17...Bd3?! 18.Ng6 fg6 19.Nc2 Bf1 20.Qf1=) 18.Ng6 Rd1 19.Nf8 (19.Rfd1 fg6 20.Nb5 a6-+) 19…Rf1 (19...Rf1 20.Rf1 Kf8-+) 0–1. Konigsdorfer – Kubes, 1950. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 d5 5.ed5 Qd5 6.a3 Bg4)

    7.Be2 e5 8.c4 bc3 9.Nc3 Qa5 (9...Qd7!?-/+) 10.Qb3= Bd7 11.Ng5 (11.Qb7?? Rb8 12.Qa6 Qa6 (12...Rb2?! 13.Qa5 Na5 14.Ne5-+) 13.Ba6 Rb2-+) 11...Nh6 12.0-0 (12.Qb7?? Rb8 13.Qb8 Nb8-+) 12...Be7 13.Nf3 (13.Qb7?? Rb8 14.Qb8 Nb8-+) 13...0-0 14.Qb7 Rfd8 15.Qa6 (15.Qb5 Qb5 16.Nb5 e4+=) 15...Qa6-/+ 16.Ba6 Rab8 17.Rab1 Bf5 18.d3 Bd3 (18...Rb6 19.Bc4 Bd3 20.Bd3 Rd3 21.Na4-/+) 19.Bd3 Rd3 20.Ba1 Rb1 21.Rb1 Ba3 22.Nb5 f6?? (better is 22...Bc5 23.Ne5 Ne5 24.Be5 f6-+) 23.Na3?? (better is 23.Ne1 Rd7 24.Na3+=) 23...Ra3-+ 24.Kf1 a5 25.Rc1 Nf5 26.Bb2 Ra2 27.Bc3 Nb4 28.Ne1 Nd6 29.Bb4 ab4 30.Rb1 Ne4 31.Rb4 Nf2 32.Rb8 Kf7 33.Rb7 Kg6 34.Nf3 Kh6 35.Nh4 g6 36.Rb6 Ne4 37.Rb4 f5 38.Nf3 Nd2 39.Nd2 Rd2 40.Rb5 e4 41.Re5 Kg5 42.Re7 h6 43.Re6 Kh5 44.h3 Kg5 45.g4 Rh2 46.gf5 gf5 0–1. Al_Khulaifi,Ghada – Smith,Annesha, 39th Olympiad Women, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3 Bg4)

    7.Be2 e5 8.h3 Bh5 9.d3 =.

    7.Be2 Nf6 8.ab4 Nb4 9.0-0 Nc6 10.d4 e6 11.h3 Bh5 12.c4 Qd7 13.g4 (13.Ne5 Be2 14.Qe2 Qe7= (14...Nd4? 15.Qd1 Qc7 16.Bd4+-)) 13...Bg6+= 14.d5 ed5 15.Bf6 gf6 16.cd5 Ne5 17.Nd4 Qd5 18.Qa4 Nd7 (18...Ke7 19.Rd1 Qc5 20.Qb3+=) 19.Nc3 (better is 19.Bf3!? Qd6 20.Bb7+/-) 19...Qc5+= 20.Bb5 0-0-0 (20...Rd8 21.Rfc1 Be7 22.Bd7 Rd7 23.Ncb5+/-) 21.Rfc1 (21.Rac1 Nb6 22.Qa7 Rd4+/-) 21...Bh6?? (21...Nb6 22.Qa7 Nc4 23.Qc5 Bc5+-) 22.Ne4+= Qc1 23.Rc1 Bc1 24.Nd6 Kc7-/+ 25.Bd7 Kd6 26.Bb5 a6 27.Qb4= Kc7 28.Qc5 Kb8 29.Nc6 bc6 30.Qb6 Kc8 31.Qc6 Kb8 32.Qb6 Kc8+= 33.Qc6 Kb8 34.Qb6 Kc8+= 35.Qa6 Kc7 36.Qc6 Kb8 37.Qb6 Kc8= 38.Qc6 Kb8 39.Ba6 Rd1 40.Kg2 Be4 41.Qe4 Rd7 42.Qb1 Ka7 43.Qc1 Rhd8 44.Bb5 Rb7 45.Bc6 Rb6 46.Be4 Rd7 47.Bh7 Rdb7 48.Be4 Rd7 49.Qa3 Ra6 50.Qc5 Rb6 51.Bc6 (51.Bc6 Rdb7 52.h4+-) 1–0. Go,B (2150) – Beerdsen,Thomas (2015), Hoogeveen NED, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6 6.Bb2 Bg4)

    7.Be2 Nf6 8.ab4 e6 9.Nc3 Qd7 10.b5 Bf3 11.Bf3 (worse is 11.bc6 Bc6 12.Bf3 Bd6-/+) 11...Nd4 12.b6 Bc5 13.Na4 Nf3 14.Qf3 ab6 15.Nc5 Ra1 16.Ba1 bc5 17.0-0 0-0 18.Bf6 gf6 19.d3 f5 20.Ra1 Qd4 21.Rb1 b5 22.h3 b4 23.Re1 Rd8 24.Re3 Kh8 25.Qh5 Qf6 26.Rg3 Rg8 27.Re3 Rg5 28.Qf3 f4 29.Re4 e5 30.Rc4 Qe7 (better is 30...Qd6!?-/+) 31.Qc6 f6 32.Rc5 Rg7 33.Rb5 h6 34.Rb6 Rf7 35.Rb8 Kg7 36.Qc8 Rf8 37.Qb7 Rf7 38.Qe7 Re7 39.Rb4 Rc7 40.c4 f3 41.gf3 Kg6 42.Kf1 Kf5 43.Ke2 h5 44.Ke3 h4 45.Rb8 Ra7 46.Rh8 Kg5 47.Rg8 Kf5 48.Rg4 Rh7 49.f4 1–0. Szefer,Michal (2065) – Ponceleusz,Bronislaw (1965), 57th YMCA Winter B Poland, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3 Bg4)

    7.Be2 e6

    8.ab4 A) 8...Nb4 A1) 9.Nc3 Qd8 (9...Qf5 10.0-0 Bf3 11.Bf3 Nf6+=) 10.h3 Bf5 11.Bb5 Nc6=; A2) 9.h3 Bf5 10.Nc3 Qd8 11.Bb5 Nc6=; A3) 9.0-0 Nf6 (9...Nc6 10.d4 Qd7 11.c4 Nf6+=) 10.c4 Qc6 11.Qb3 Qc8=; B) 8...Qf5 B1) 9.Na3 Nf6 (9...Nb4 10.0-0 Rd8 11.Nc4 Qc2+=) 10.Nb5 Rd8 11.Nbd4 Nd4+=; B2) 9.0-0 Nb4 (9...Nf6 10.b5 Bf3 11.Bf3 Qb5+=) 10.Nd4 Be2 11.Qe2 Qc5=; B3) 9.h3 Bf3 10.Bf3 Nf6 11.Bf6 Qf6+=; C) 8...Nf6 9.h3 (9.Nc3 Qd8 10.b5 Nb4 11.Na2 Nbd5=; 9.Bf6 gf6 10.Nc3 Qf5 11.Nb5 Bf3-/+) 9...Bf3 (9...Bf5 10.Bf6 gf6 11.Nc3 Qd8=) 10.Bf3 Qb5 11.Nc3 Qe5=.

    8.c4 bc3 9.Nc3 Qa5 10.0-0 Nf6 11.Qb3 Qb6 12.Nb5 Be7 13.Qc4 Bf3 (13...0-0!? 14.Bf6 Bf3 15.Be7 Be2 16.Qe2 Ne7-/+) 14.Bf3= (14.gf3 0-0 15.Rfb1 a6-/+) 14...0-0 15.Rab1 a6 16.Nd4 (16.Bf6 Bf6 17.Nd6=) 16...Qc7 (16...Ne5!? 17.Qa2 Rac8-/+) 17.Nc6 (17.Bc6 Rfc8=) 17...bc6= 18.Bc6 Rab8 19.Bc3 (19.Rfc1 Rfd8 20.d4 Rb6-/+) 19...Rb6 (19...Rb1!? 20.Rb1 Rc8 21.Bf6 gf6 22.Qg4 Kf8+=) 20.Rb6= Qb6 21.Bd4 Qc7 22.Qa6 Qd6 23.Bc3 Qa3 ½–½. Covaci,Stefan (2120) – Sukosd,Janos (2015), ROM–ch sf Sovata, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3 Bg4 7.Be2 e6)

    8.c4 bc3 9.Nc3 Qd7 10.d4 Bf3 11.Bf3 Nd4 -/+.

    8.c4 bc3 9.Nc3 Qd7 10.h3 Bf5 11.d4 +=.

    8.c4 bc3 9.Nc3 Qd8 10.Qb3 (10.Qa4 Nf6 11.Rc1 Be7+=) 10...Rb8 11.Qa4 (11.Ne4 Nf6=) 11...Bf3 (11...Nf6-/+) 12.Bf3 Qd7 13.Rc1 Rc8 14.0-0 a6 (14...Nd4 15.Qd1-/+) 15.Rfe1 Nf6 16.Bc6 (16.Ne4 Ne4 17.Re4+=) 16...Rc6-/+ (16...bc6?! 17.Qa6 Rc7 18.Ne4+=) 17.d4 Be7 18.d5 ed5 19.Qb4 Re6 20.Re6 fe6 (worse is 20...Qe6 21.Qb7 0-0 22.Na2-/+) 21.Qb6 0-0 22.Rd1 (22.Nd1 Bd6-+) 22...Bd6 23.Na4?? (23.Qd4 b5-+) 23...Re8 (better is 23...Qa4!? 24.Re1 Qc6 25.Qc6 bc6 26.Re6-+) 24.Qd4?? (24.Nc5 Qc6 25.Qc6 bc6 26.Na6-+) 24...e5 25.Qh4 d4 (25...d4 26.Nc3 Qf5-+) 0–1. Malaczek,Mateusz (1875) – Drozdowski,Konrad (1780), Miedzynarodowy Festiwal Szachowy Poland, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3 Bg4 7.Be2 e6)

    8.c4 Qe4 A) 9.0-0 Nf6 10.d4 Rd8 11.Nbd2 Qf5+= –0.32; B) 9.d3 Qg6 (9...Qf5 10.0-0 Nf6 11.h3 Bh5= 0.00) 10.Qa4 ba3 11.Bc3 0-0-0+= –0.59; C) 9.ab4 Bf3 10.gf3 Qh4 11.Qa4 Nf6= –0.25.

    5.a3 e5

    6.ab4 Nf6 7.Nc3= Qd8 8.Nf3 (8.Bb5 Bd7 9.Qe2 Bb4 10.Qe5 Qe7 11.Qe7 Ke7=) 8...Bb4+= 9.Ne5 0-0 10.Be2 Re8 11.Na2 (11.Nd3 Bc3 12.Bc3 Nd5+=) 11...Ba5 (11...Bd6 12.Nc4+=) 12.Nc1 (12.Nc4 Bc7+=) 12...Ne4 13.Nb3 (13.Nc4 Bb4 14.c3 Bc5+=) 13...Bb6-/+ 14.0-0 Qf6 (14...Bf2!? 15.Rf2 Nf2+=) 15.Nd3 Qh6 (15...Qd6 16.Ba3 Qg6 17.Re1=) 16.Bf3 Bc7 17.g3 Ng5 (17...Nc6 18.Re1 Bf5 19.Be4 Be4 20.Ndc5+=) 18.h4 (18.Bd5 Nc6=) 18...Nf3+= 19.Qf3 Qc6 (19...Nc6 20.Rfe1 Bh3 21.Nbc5=) 20.Rfe1= Rd8 (20...Qf3?? 21.Re8) 21.Qc6 Nc6 22.Ndc5 (22.Nbc5!?=) 22...b6-/+ 23.Ne4 Be6 (23...Nb4 24.Rec1-/+) 24.Re3 (24.h5 h6+=) 24...Nb4 (24...a5 25.Ng5 Bd5 26.d3-/+) 25.Rc1+= a5 (25...Nd5 26.Ree1+=) 26.Nd4 Bd7 (26...Bg4 27.f4+=) 27.Ng5 (27.c4 f5 28.Ng5 f4 29.gf4 Bf4+=) 27...h6 28.Ngf3 Bd6 (28...b5 29.Re4-/+) 29.c3 (29.c4 Bc5 30.Ra3 Bg4-+) 29...Nd5-/+ 30.Ree1 (30.Rd3 a4-/+) 30...a4 31.Ra1 a3 32.Bc1 Bg4 33.Ra2 Bc5 34.Nh2 Bh5 35.Nc2 Re8 36.Re8+= Re8 37.Ba3 Re7 38.Bc5 bc5 39.Nf1 Bg6 40.Nce3 Nf6 41.Ra8 Kh7 42.Rc8 Ne4 43.f3 Nd2= 44.Nd2 Re3 45.Rc5 Rd3 46.h5 Bh5 47.Rh5 Rd2 48.Rc5 ½–½. Ferraro,Fabian – Felgaer,Ruben, Ch PanAm, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c3 ba3 7.Na3 Nc6 8.Nb5 -/+.

    6.c3 b3 7.d3 (7.c4 Qe4 8.Qe2 Qe2 9.Ne2 Nc6-/+) 7...Nd7 (7...Bd6 8.Nd2-/+) 8.Nd2 (8.Nf3 Bd6+=) 8...Nc5-/+ 9.c4 Nd3 10.Bd3 Qd3 11.Qb3 (11.Be5!? b5 12.c5-/+) 11...Qb3-+ 12.Nb3 f6 13.Rc1 Be6 14.Ne2 (better is 14.Nf3-+) 14...b5! 15.c5? (15.cb5 Bb3) 15…Bb3 0–1. Azzola,Orazio – Fernandez,Sebastian (1745), IECC, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c3 b3 7.d4 Nf6 (7...Nc6 8.Nf3-/+) 8.Nd2 ed4 9.cd4 Nc6 10.Qb3 Qb3 11.Nb3 Be6 12.Nd2 Nd5 13.g3 (13.Ngf3 Rc8=) 13...Nb6 14.Bg2 (14.Ne2!?=+) 14...Na4-/+ 15.d5 Bd5! (15...Nb2?! 16.dc6 b5 17.Nh3=+) 16.Bd5 Nb2 17.Ngf3 Nd3 (17...Rd8 18.Be4 g6 19.Ke2-/+) 18.Kf1 (18.Ke2 Rd8 19.Bc6 bc6=+) 18...0-0-0 (18...Rd8!? 19.Bc4 a6-/+) 19.Bf7=+ Bc5 20.Ne4 Rhf8 21.Bh5 Kb8 22.Kg2 Bb6 23.Rhd1 g6 24.Bg4 Rde8 25.Rd3 Re4 26.Bd7 Ne5 27.Ne5 Rf2 (27...Re5?! 28.Ra2=) 28.Kh3 Re5 29.Bg4 h5 30.Bf3 Re3 31.Re3 Be3 32.Bd5 b5 (32...g5 33.Ra2 Bd2 34.g4 hg4 35.Kg3-/+) 33.Ra2 Bd2 34.Bc6 g5 Do you see the mate threat? 35.g4 h4 (35...hg4!? 36.Kg4 Rh2 37.Bb5 Kc7-/+) 36.Bb5= Kc7 37.a4 a5 38.Bc6 Kc6 (38...Re2 39.Bf3 Re3 40.Kg2=+) 39.Rc2= Kb6 ½–½. juliangon (2725) – sinjoor1 (2275), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c4 Qe4 7.Be2 Qg2 8.Bf3 Qg6 9.Ne2 Qd3 10.Ng3 Nc6 11.Be2 Qd8 12.0-0 Nf6 13.Re1 ba3 14.Na3 Bb4 15.Qb3 0-0 (15...Bd2?! 16.Red1 Ng4 17.Nb5-/+) 16.Nb5 a5 (16...Bd2 17.Red1 a6 18.Qc2-/+) 17.Bf3 a4 (17...Bd2 18.Red1 e4 19.Be4-/+) 18.Ra4 Ra4 (18...Qd2? 19.Re2 Na5 20.Ra5 Qe2 21.Ne2 (21.Ra8?! Qe1 22.Nf1 Bc5+/-; 21.Qb4?! Qf3 22.Ra8 Qd1 23.Kg2 Bh3 24.Kh3 Ra8=) 21...Ba5 22.Be5+-) 19.Qa4 Qd2 20.Re2 Qd3 21.Bc6 bc6 22.Qb4 cb5 23.cb5 Bb7 24.Be5 Qf3 25.Kf1 Qg2 26.Ke1 Qg1 27.Kd2 Rd8 28.Kc2? (28.Bd4 Qh2 29.Kc2 Rc8 30.Kd2 Bf3 31.Bf6 Qh6 (31...Be2?! 32.Ke2 Rc2 33.Kd3 Qf2 34.Bd4+=) 32.Re3 Qf6-+ (32...gf6?! 33.Nf5 Rd8 34.Kc2=)) 28...Qd1 (better is 28...Rc8 29.Bc3 Nd5-+) 29.Kb2 Ne4 (29...Ra8!? 30.Re1 Qf3-+) 30.Qe1 Qa4 31.Re4?? Be4-+ 32.Qe4 Qb5 33.Kc2 Qc5 34.Bc3 Qf2 35.Kb3 Rb8 36.Kc4 Qa2 37.Kd4 Qa4 38.Kd3 Qe4 39.Ke4 f6 40.Bd4 Kf7 41.Kf3 Rb3 42.Kg2 Rd3 43.Bf2 Kg6 44.Ne2 Ra3 45.Ng1 Kf5 46.Nf3 g5 47.Bc5 Ra2 48.Bf2 h5 49.Nd4 Kg6 50.Kg1 h4 51.Kg2 g4 52.Kf1 f5 53.Bh4 Rh2 54.Bg3 Ra2 55.Ne2 Kg5 56.Kf2 Ra3 57.Kg2 Rf3 58.Kg1 Ra3 59.Kf2 ½–½. Moraru,Marius (2345) – Chirila,Ioan Cristian (2205), ROM–ch Brasov, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c4 Qe6 7.ab4 Bb4 8.Na3 Ba3 9.Ba3 Ne7 10.Nf3 Nbc6 11.Be2 0-0 12.0-0 Rd8 13.Re1 Ng6 14.Bb2? (14.Qb3 Qf5 15.Qe3 Qf4-/+) 14...Nf4 (14...e4 15.Qb3 ef3 16.Bf3-+) 15.Ra3 Qg4 (15...Ne2?! 16.Qe2 Qd6 17.Ne5 Ne5 18.Qe5 Qe5 19.Be5 Rd2 20.Bd4=) 16.g3 e4 17.Ne5 Ne2 18.Qe2 Qe2 19.Re2 Ne5 20.Be5 Be6 21.Re4 Rd2 22.f4 a6 23.Rc3 Rad8 24.Bc7 R8d7 25.Bb6 Rb2 26.Bf2 h6 27.Rd4 Rd4 28.Bd4 Rb4 29.Bc5 Ra4 30.Kf2 Bc4 31.Ra3 Ra3 32.Ba3 g6 33.Ke3 f6 34.Kd4 b5 35.Bb4 Kf7 36.Ke4 Bb3 37.Kd4 Ke6 38.Ke4 Bc2 39.Kd4 Kf5 40.Ke3 Kg4 41.Kf2 h5 42.h4 Be4 43.Ba5 Bb7 44.Bc3 f5 45.Ba5 Bd5 46.Bb4 Be6 47.Ba5 g5! 48.fg5 (48.fg5 Bf7 Combination; 48.hg5 Bf7 Combination) 48...f4 49.gf4 Kh4 50.Bd2 Kg4 51.Kg2 h4 52.Kh2 Kh5 53.Kg2 Kg4 54.Kh2 Bf5 55.Kg2 h3 56.Kh2 Kf3 57.g6 Bg6 58.Kh3 Ke2 59.Bc1 b4 60.Kg4 Kd1 61.Be3 b3 62.Bd4 Kc2 63.Kg5 Bd3 (63...Bd3 64.f5 Bf5-+) 0–1. BatTESTI,Marc Andria (1960) – Vilaisarn,Akkhavanh (2205), Corsica–ch Bastia, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c4 Qe6 7.Nf3 Nc6 8.Bd3 Bc5 9.0-0 Nge7 10.Re1 f6 11.ab4 Nb4 12.Bf1 (12.Be4!? f5 13.Bc2+=) 12...Qb6-/+ 13.d4 ed4 (13...Nbc6 14.Nc3 Nd4-/+ (14...ed4?! 15.Na4 Qa5 16.Nc5 Qc5 17.Ba3+=)) 14.Bd4+= Bg4 15.Nc3 (15.Qb3 Rc8 16.Nbd2=) 15...Bf3 (better is 15...Bd4!? 16.Qd4 Qd4 17.Nd4 Kf7+=) 16.Bc5+= Qc5 (worse is 16...Bd1 17.Re7 Kf8 18.Bb6 Ke7 19.Bc5 Ke6 20.Bb4+- (worse is 20.Nd1 Nc6+/-)) 17.Qf3 0-0 18.Qb7 Nec6 19.Ne4 Qb6 20.Qd7 Ne5 21.Qa4 Nbd3 22.Reb1 (better is 22.Bd3!? Nd3 23.c5+=) 22...Qd4= 23.c5 Qa4 24.Ra4 f5 25.Nd6 Nc5 26.Ra5 Ned7 (26...Ned3 27.Bd3 Nd3 28.Rb7=) 27.Rc1 (27.Bc4 Kh8 28.Nf7 Kg8 29.Bd5+-) 27...Rf6= 28.Nb5 Ra6 29.Ra6 Na6 30.Nc7 (30.Ra1!? Ndc5 31.Nd6=) 30...Nc7+= 31.Rc7 Nb6 32.g3 Rf8 (better is 32...a5!?+=) 33.Ra7+= Rf7 34.Ra6 Rf6 35.f4 Kf7 36.Bd3 Nd7 37.Ra7 Ke7 38.Kf2 g6 39.Ke3 Ke6 (39...Re6 40.Kd2=) 40.Kf3 ½–½. Nanu,Ciprian (2320) – Istrate,Bogdan (2325), ROM–chJ Alba Iulia, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c4 Qe6 7.Nf3 Nc6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Rd8 (13...Bc5!?-/+) 14.Nbd2= Bc7 15.Qb1 a5 16.de4 Ng4 17.Nb3 Nc6 18.e5 (18.Ra3 Nce5 19.Nbd4 Nf3 20.Nf3 Bb6+=) 18...Bb6+= (worse is 18...Be5 19.Be5 Nge5 20.Ne5 Ne5 21.f4 Nf3 22.gf3 Qb6 23.c5+-; worse is 18...Nce5 19.Ne5 Ne5 20.Bc3=) 19.Re2 (19.c5!? Qb3 20.cb6 Qb6 21.Re2-/+) 19...Qc4-/+ 20.Nbd2 Qb4 21.Ne4 Bf5 22.Nf6 gf6 23.Qf5 Ne7 (23...Nf2 24.e6 Ne7 25.ef7 Kf8 26.Qh7 Nd3 27.Kh1 Nb2 28.Rae1 Qe1 29.Re1+-) 24.Qh5 (24.Qb1!?+=) 24...Nf2-/+ 25.ef6 Rd5 26.Be5 (26.Ng5!? Nh3 27.Kh1 Rg5 28.Qh3-+) 26...Ng6 27.Rf2 Bf2 28.Kh1 Be3 (28...Ne5?! 29.Ne5 Re5 30.Qe5=) 29.Qh3 Rad8 30.Be2 (30.Qg3 Rd1-+) 30...Re5 31.Ne5 Qd4 (31...Ne5?! 32.Qe3 Ng6 33.Qh6=) 32.Rf1 Qe5 33.Bc4 Bf4 34.Bf7 (34.Qb3 Qc7 35.h3 Rd6-+) 34...Kf7 35.Qh7 Kf6 36.g3 Rd1! (36...Rd1 37.Qb7 Rf1 38.Kg2 Qe2 39.Kh3 Bd6 40.Qc6 Nf4 41.gf4 Qe3 42.Qf3 Rf3 43.Kg2 Rf2 44.Kh1 Qe1) 0–1. Nanu,Ciprian (2325) – Pozin,Sergey (2390), Centrocoop June op–A, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.c4 Qe6 7.Nf3 Nf6 8.Be2 (8.Ne5!? Bd6 9.Qe2=+) 8...Nc6-/+ 9.0-0 Bd6 10.d4 ed4 11.Nd4 Nd4 12.Bd4 0-0 13.c5 Be5 14.Re1 Rd8 15.Bf3?? (better 15.Be5 Rd1 16.Bd1-+) 15…Rd4 (15...Rd4 16.Qe2 Rc4-+; worse 15...Bd4 16.Re6 Be6 17.Qe1-+) 0–1. bobby fissure (2195) – marekt (2540), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.Nf3 f6 7.ab4 Bb4 8.Na3 Ba3 (8...Nc6 9.Nb5 Qd8 10.c3+=) 9.Ra3+= Nc6 10.c4 Qc5 11.Ne5? (better is 11.Rb3+=) 11...fe5-+ 12.Re3 Nge7 13.Qh5 g6 14.Qg5 (14.Qe2 Nf5 15.Be5 0-0-+ (15...Ne3?! 16.Bh8 Qc4 17.Qe3 Qe6 18.Bc4 Qe3 19.fe3=)) 14...0-0 15.Bd3 (15.f3 Nf5 16.Ba3 Qd4 17.Bf8 Ne3 (17...Kf8?! 18.Qf6 Kg8 19.Rc3-+) 18.de3 Qc3 19.Kf2 Kf8-+) 15...Bf5 (15...Nf5 16.Rf3-+) 16.0-0 (16.Be2 Rad8 17.0-0 Rfe8-+) 16...Bd3 17.Rd3 Qc4 18.Rd7 Qf4 (18...Rf5 19.Qe3 Rb8 20.Ba3-+) 19.Qf4 ef4 20.Ba3 b5 21.Be7 (21.Re7 Ne7 22.Be7 Rf5-+) 21...Rf7 (21...Ne7 22.Re7 Rfd8 23.Rc1 Rd2 24.h3-/+) 22.Re1 Re8 (22...Re7?! 23.Ree7 Ne7 24.Re7-+; 22...Ne7?! 23.Ree7 Re7 24.Re7-+) 0–1. Boelen,M – Ljubojevic,Ljubomir, WchT U26 qual–E, 1969. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 f6)

    6.Nf3 f6 7.c4 Qd8 8.Be2 Nc6 9.0-0 Kf7 10.Qb3 Be6 11.d4 ed4 12.Rd1 a5 13.Nd4 Nd4 14.Bd4 Qc8 15.ab4 ab4 16.Ra8 Qa8 17.Bh5 g6 18.Bf3 Qc8 19.Nd2 b5 20.Bd5 bc4 21.Bc4 Bc4 22.Nc4 (worse is 22.Qc4 Qc4 23.Nc4 Nh6-/+) 22...Qe6 23.Ra1 Be7 24.Be3 g5?? (better is 24...Kg7+=) 25.Ra6+- Qc4 1–0. Zajarnyi,Anatolyi (2395) – Nekrasov,Mihail (2260), Lvov, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    6.Nf3 Nf6 7.c4 (7.Ne5 Be7=) 7...bc3 (better 7...Qe4!? 8.Be2 Nc6-/+) 8.Nc3= Qa5 9.Bc4 (9.Bb5 Bd7 10.Qe2 Bd6 11.Ne5 0-0=) 9...Be7 (9...Nc6 10.Ng5 Nd8 11.Qb3+=) 10.0-0 (10.Ng5 Nc6 11.Bf7 Kf8+=) 10...Nc6 (10...e4 11.Ne1=+) 11.Qb3=+ 0-0 12.Rfe1 Bg4 (12...Bc5 A) 13.Ne5? Ne5 14.Nd5 Bf2 (14...Nc4 15.Nf6 Kh8 16.Qc4+=) 15.Kf2 Qc5 16.Ne3 Nfg4 17.Kg1 Ne3 18.Bf7 Rf7 19.Qe3 Qe3 20.Re3 Nc4 21.Re8 Rf8 22.Rf8 Kf8-+; B) 13.Ne4 Ne4 14.Re4=+) 13.Nd5 e5 becomes the focus of attention 13...Bf3 (13...Nd5 14.Bd5 Bf3 15.Qf3=+) 14.Ne7= Ne7 15.Re5 (better 15.Be5 Ng4 16.Bg3=) 15...Bd5 (better 15...Qc7!? 16.gf3 Nc6=) 16.Re7+= Bc4 (16...Qc5!? 17.Bf6 gf6 18.Qg3 Kh8+=) 17.Qc4+/- Rae8 (17...Qg5 18.Rb7 Nd5 19.Bc3+/-) 18.Rb7 Qd2 19.Bf6 gf6 20.Ra7 Re1 21.Re1 Qe1 22.Qf1 Qc3 23.Qd1 Re8 24.Qg4 Kh8 25.h3 Rg8 26.Qf5 (26.Qf4 Qc6 27.g3 Re8+-) 26...Qc6+/- 27.g4 Kg7 (27...Rd8 28.Kh2 Rd1 29.g5 Rh1 30.Kg3 Rg1 31.Kh4 Rg5 32.Qf4=) 28.Re7 (28.Qd7!? Qc1 29.Kg2+-) 28...Qc1 29.Kg2 Qa3 30.Qd5?? (30.Qe6 Rf8+/-) 30...Rf8 (30...Qe7 31.Kf1-+) 31.g5?? (31.Rd7 Qc1+/-) 31...Qc3 (better 31...Qe7 32.gf6 Qf6-+) 32.Qf5 (32.Re3 Qa1+=) 32...fg5 33.Qg5 Kh8 ½-½. Riha,Vojtech (2195) - Novosel,Marko (1935), 29th EY Open U18, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2)

    6.ab4 Bb4

    7.Na3 Bd7 8.Nc4 Nc6 9.Qf3 (9.Qe2 Be6 10.Ne5 Ne5 11.Qb5 Qb5 12.Bb5 Ke7 13.Be5 Nf6=+) 9...Nf6 (9...Qf3!? 10.Nf3 f6-/+) 10.Qd5=+ Nd5 11.Ne5 Ne5 12.Be5 0-0 13.Bc4? (better 13.Kd1!?=+) 13...Rfe8-+ 14.Nf3 Nb6 (better 14...Bc6!? 15.Be2 f6-+) 15.Be2=+ Bg4 16.Bd4 Bf3 17.gf3 Nd5 18.c3 Nf4 19.Be3 Ne2 20.Ke2 Bd6 21.h4 Be7 (21...f5 22.Kd3 a6 23.Ra5=+) 22.h5 (22.d4 a5=) 22...h6 (22...a6!?=+) 23.Rhb1= (23.Ra7? Ra7 24.Ba7 Bc5 25.Kd1 Ba7-+) 23...b6 24.Ra6 Bc5 (24...Bd8!?=) 25.d4 Bd6 26.Kd3 f5 (26...Reb8 27.c4 Bc7 28.d5+-) 27.Rb2 (27.Rba1 f4 28.Bd2 Re7 29.Rb6 Rd8+-) 27...f4 28.Bd2 Re7 (better 28...Reb8!?+-) 29.Rbb6!+- ab6 30.Ra8 Kf7 31.Ra6 Rb7 (31...Bc7 32.c4+-) 32.c4 Bb8 33.Bb4 Ba7 34.Bd6 Rd7 (34...Bb8 35.Bb8 Rb8 36.d5+-) 35.Bf4 b5 36.d5 (36.Be5 bc4 37.Kc4 Rb7+-) 36...bc4 (36...Bf2 37.Be5+-) 37.Kc4 Bf2 38.Be5 Bh4 (38...Re7 39.f4+-) 39.Kc5 White prepares d6 (39.Rg6 Kf8+-) 39...Bf6 40.f4 Re7 41.Bf6 gf6 42.d6 Rd7 (42...Re1 43.Ra7 Ke8 44.Rh7+-) 43.f5 1–0. Moskvin,Anatoly (1870) – Tersinsev,Andrey (2040), 14th IPCA World Individual Chess CH, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Na3 Qe4 8.Be2 Qg2 9.Bf3 Qg5 10.Qe2 Ba3 11.Ra3 Nd7 12.Bd5 Ngf6 13.Nf3 Qh5 14.Ba2 e4 15.Rg1 0-0 16.Ne5 Ne5 17.Qh5 Nh5 18.Be5 g6 19.Bd5 Re8 20.Bd4 Nf4 21.Bc4 a6 22.Be3 Be6 23.Bf4 Bc4 24.Kd1 Rac8 25.Be3 f5 26.h4 Kf7 27.h5 gh5 28.Rh1 Rg8 29.Kc1 Bd3 30.c3 Be2 31.Kb2 Bf3 32.Rh2 Rcd8 33.Ra5 Ke6 0–1. Eriksson,Joel – Osterberg,Gunnar, Sweden class ch, 1990. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.c3 Bc5 8.Nf3 (8.Qe2 Qe6-/+) 8...Bg4 (8...e4!? 9.c4 Qe6-/+) 9.Qa4 Bd7 10.Qc2 (10.Qc4 Qc4 11.Bc4 f6+=) 10...Nc6-/+ 11.Na3 (11.Qd3!? Qe6 12.Qc4-/+) 11...Nf6 12.Be2 (12.Bc4 Qe4 13.Be2 Qf4-/+) 12...0-0 (better is 12...e4!? 13.Nd4 Nd4 14.cd4 Bd4 15.Bd4 Qd4 16.Rb1-+) 13.0-0 (13.Bc4!? Qe4 14.Be2-+) 13...e4-+ 14.Ne1 Bf5 (better is 14...Rac8!? 15.Nb1 Bg4-+) 15.d4-/+ ed3! 16.Bd3 (16.Nd3 Be4 Combination; 16.Bd3 Ne4 Combination) 16...Bd3 (16...Be4 17.c4 Qf5 18.Bf6 Qf6 19.Qb1-+) 17.Nd3 Rfd8 (17...Bd6!? 18.f3 Rfd8-/+) 18.Nc5 Qc5 19.c4 Nd4 20.Bd4 Rd4 21.Rfb1? (better is 21.Qb3 Rd7 22.Rad1 Rd1 23.Rd1-/+) 21...Rad8-+ 22.Rb7 Qa3!! (22...Qa3 23.Rf1 Ne4-+) 0–1. Saring,Christoph (2175) – Kreuzer,Gerhard (2025), Landesliga Nord, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.c3 Bd6 8.c4 Qe4 9.Qe2 -/+.

    7.Nc3 Qd8 8.Bc4 Nf6 9.Nf3 Nc6 10.Ng5 0-0 11.Nce4 Ne4 12.Ne4 Qh4 13.Bd5 (13.Qf3 Bg4 14.Qg3 Qg3 15.hg3 Bf5-/+) 13...Bg4 14.Qb1 Be6 15.g3 Qg4 (15...Bd5?! 16.gh4 Be4 17.Rg1=) 16.c4 Rad8 17.h3 Qg6 18.Bc6 bc6 19.Be5 Bc4 20.f3 a5 21.h4 (21.Qc1 Rd2 22.Nd2-+) 21...Bd3 22.h5 Qf5 (22...Qf5 23.Bf4 Bb1 24.Rb1 Qd5-+) 0–1. Georgiev,D (1950) – Gochev,M (2225), Venka Antonia Ivanova Mem, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Nc3 Qd8 8.Qh5+= Nc6 9.Bb5 Nge7 10.Nge2 (10.Nf3!?+=) 10...0-0 11.g4 (11.Bd3 Ng6-/+) 11...Be6 12.Bd3 f5 13.gf5 Bf5 14.Bc4 Kh8 15.0-0-0 (better is 15.Bb3-+) 15...Rc8 16.Rhg1 Nd4 17.d3 a6 (17...Bg6!? 18.Qe5 Nf3 19.Qg3 Ng1 20.Qg1-+) 18.Nd4 ed4 (18...Qd4?! 19.Qg5 Ng6 20.Nd5-/+) 19.Ne2 (better is 19.Qg5 Bg6 20.Ne2-+) 19...b5 (better is 19...Nc6-+) 20.Bd4 Bg6 (20...bc4?! 21.Bg7 Kg8 22.dc4+=) 21.Rg6? (better is 21.Bg7 Kg7 22.Qe5 Rf6 23.Nf4-/+) 21...Ng6-+ 22.Bb3 (22.Be6 Rc6 23.Bf5 Qd5-+) 22...Qe7 (22...Nf4 23.Nf4 Rf4-+) 23.Rg1 Rc6 (23...Qd6 24.Rg5 Ba3 25.Kd1+-) 24.f4? (24.Rg5 Rf7+=) 24...Bc5 (better is 24...Bd6 25.f5 Ne5-+) 25.Bc5?? (better is 25.Rg5 Nf4 26.Rg7 Ne2 27.Qe2 Qg7 28.Bg7 Kg7 29.Qe5 Kh6 30.d4+=) 25...Rc5-+ 26.Qg4 Rcf5 27.Rf1 Nf4! 28.Kd1 Qe2 (better is 28...Ng2! 29.Rf5 Ne3 30.Kd2 Ng4 31.Rf8 Qf8-+) 29.Qe2 Ne2 30.Rf5 Nc3 31.Kd2 Nb1 (worse is 31...Rf5 32.Kc3 Rh5 33.Kb4-+) 32.Kc1 Rf5 33.Kb1 Rh5 34.d4 Rh2 35.Bd5 (35.c4 bc4 36.Bc4 g5-+) 35...g5 36.Kc1 Kg7 0–1. Muellen,Armin – Puth,Dieter (2190), RL–chA Hachenburg, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.c4 Qc5 8.f4 Nc6 9.fe5 Nh6 (9...Ne5 10.Qe2 f6 11.Nf3-/+) 10.Nf3 0-0 11.Qe2 (11.Bd3 Bg4 12.Qc2 Kh8-/+) 11...Re8 12.h3 (12.Nc3!? Ne5 13.Ne4 Nd3 14.Qd3-/+) 12...Nf5-+ 13.Qf2 Ne5 14.Ne5 (14.Qc5 Nd3 (14...Bc5?! 15.Be5 f6 16.Nc3-+) 15.Kd1 Nb2 (15...Bc5? 16.Bd3 Nd6 17.Be2+-; 15...Nc5?! 16.Ba3 Nb3 17.Ra2-/+) 16.Kc1 Bc5 17.Kb2 Ng3-+) 14...Re5 15.Be2 Qf2 16.Kf2 Bc5 (16...Bc5 17.Kf3 Re2 18.Ke2 Ng3 19.Kf3 Nh1-+) 0–1. Suarez,Luis A – Zapata,Alonso (2500), COL–ch, 1988. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Qd5 5.a3 e5 6.ab4 Bb4)

    7.c4 Qd6 8.Nf3 f6 9.Be2 Nc6 10.0-0 Nge7 11.Na3 Bf5 (11...0-0 12.Qb3 Bc5 13.Nb5-/+) 12.Nb5 Qd7 13.d4 ed4 14.Nfd4 Nd4 15.Nd4 0-0 16.Bf3 Bc5 (16...Rfb8 17.Qb3 Bc5 18.Nf5 Qf5 19.Ba3= (19.Bb7? Qd7-+)) 17.Nf5 (17.Nb3 Qd1 18.Rfd1 Bb4=) 17...Qf5= 18.Re1 (worse 18.Bb7 Rab8 19.g4 Qf4 20.Bd5 Nd5 21.Qd5 Rf7-/+) 18...Kh8 19.Ba3 Rad8 (19...Ba3 20.Ra3 Nc6 21.Be4=) 20.Qa4 Rd2? (better 20...Nc8!?=) 21.Bc5 Qc5 22.Re2?? (better 22.Qa7 Qa7 23.Ra7+/-) 22...Re2-/+ 23.Be2 Nc6 24.Rd1 Nd4 25.Bf1 a6 (better 25...Rb8!?=+) 26.Qd7+= Nc6 27.Qb7 Nb8 28.Rd5 Qc8 29.Qb3 Re8 30.c5 Nd7 31.Qa4 Attacks the isolani on a6 31...Nb8 32.Rd6 The pressure on the isolated pawn grows 32...Rd8 (32...f5 33.Rd5+/- (33.Ba6?? Na6 34.Rd1 Nc5-+)) 33.Qa5 (33.Ba6!? Re8 34.Bf1+-) 33...Re8+/- 34.h3 (worse 34.Ba6 Na6 35.Ra6 Qc5=) 34...h6 35.Ba6 Na6 36.Ra6 (36.Qa6?! Qc5 37.Qd3 f5=) 36...Qb8 37.Rb6 Qd8 38.Qc3 Qd1 (38...Qc7 39.Rb5+/-) 39.Kh2+- Re2 (39...Re1 40.Rb8 Kh7 41.Qc4+-) 40.Qg3 (40.Qf3 Qe1 41.Rb8 Re8 42.Re8 Qe8+-) 40...Re1 41.Qg6 Qd8 42.Rb7 Re7 43.Re7 Qe7 44.Qf5 Qc7 45.g3 Kg8 46.Qe6 Kf8 47.Qb6 Qc8 48.c6 Ke8 49.Qb7 Qf5 50.Kg1 (50.Qg7?! Qf2 51.Kh1 Qf1 52.Kh2 Qf2 53.Kh1 Qf1 54.Kh2 Qf2=) 50...Qd5 51.Qb8 Ke7 (51...Kf7 52.Qa7 Kg6 53.Qd7+-) 52.c7 (better 52.Qa7 Ke8 53.c7 Qd1 54.Kg2 Qd5 55.Kh2+-) 52...Qd1 53.Kh2 Qd4 54.c8N Kd7 55.Qb7 (55.Qb7 Kd8 56.Qb6 Qb6 57.Nb6+-) 1-0. Danielsson,Sigurdur (1725) - Olafsson,S (1935), Icelandic Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.c4 Qe4 8.Be2 Nc6 9.Nf3 Nge7 10.0-0 0-0 11.Re1 Ng6 12.Nc3 Bc3 13.Bc3 Nd4 (better is 13...Nf4!?-/+) 14.Nd4= ed4 15.Bf3 Qf4 16.Re4 Qg5 17.Bd4 Bf5 18.Re1 Rad8 19.Be3 (worse is 19.Ba7 Rd2 20.Qb3 Qf6+/-) 19...Qh4 20.Bc5 (20.Ba7?! Qc4 21.d4 Rd7+/-) 20...Rfe8 21.Qa4 Bd7?? (better is 21...Ne5 22.Bb7 Qc4 23.Qa7 Nd3 (23...Rd2?? 24.Re5 Be6 25.Rae1+-) 24.Re8 Re8+/-) 22.Qd7+- Ne5 (22...Rd7?? 23.Re8 Nf8 24.Rf8) 23.Qf5 (better is 23.Qb7!? Qc4 24.Ba7 Qe6+-) 23...g6 24.Qe4 Nf3 25.Qf3 Qc4 26.Be3 Re5 27.Rec1 Qe6 28.Rab1 (better is 28.Ra7!? b6+-) 28...b6 29.g3 h5 30.Rc6 Qa2 31.Rbc1 h4 (31...Qd5 32.Qf6 Ree8+-) 32.Qf6 (worse is 32.gh4 Qd5 33.Qf6 Ree8+-) 32...Rh5 (32...Rde8 33.Bd4 Qd5+-) 33.Qd8 (33.Qd8 Kg7 34.Qf6 Kh7 35.Rc8 hg3 36.Qh8; 33.Bd4 Rd4 34.Rc8 Rd8 35.Rd8 Kh7 36.Qh8) 1–0. Woerner,Michael (1995) – Ersoez,Can Hakki (1920), Regionalliga NW, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.c4 Qe6 8.Nf3 (8.Nc3 A) 8...Nf6 9.Nb5 (9.Qb3 Nc6 10.Nd5 Bd6 11.Nf3 0-0 12.Bd3 Nd4 13.Nd4 ed4) 9...Qe7 (9...Qb6 10.Nf3 Nc6 11.Be2 0-0 12.0-0 Rd8 13.d3 Qc5) 10.Na7 Bf5 11.Nf3 Nbd7 12.Be2 0-0 13.0-0 Ne4; B) 8...Nc6-/+ 9.Nd5 (9.Nf3 Nf6 10.Nb5 Qe7 11.Be2 0-0 12.0-0 Rd8 13.d4 ed4; 9.Nb5 Qe7 10.Be2 Nf6 11.Nf3 0-0 12.0-0 Rd8 13.d4 ed4) 9...Bd6 10.Nf3 Nf6 11.Nb6 Rb8 12.Nc8 Rc8 13.Bd3 Nb4; 8.Na3 Nc6 9.Nb5 (9.Nf3 Nf6 10.Nb5 Qe7 11.Be2 0-0 12.0-0 Rd8 13.d4 ed4; 9.Be2 Nf6 10.Nb5 Qe7 11.Nf3 0-0 12.0-0 Rd8 13.d4 ed4) 9...Qe7 10.Be2 Nf6 11.Nf3 0-0 12.0-0 Rd8 13.d4 ed4) 8...Nc6 (8...Nf6 A) 9.Bd3 0-0 (9...Nc6 10.0-0 0-0 11.Qb3 e4 12.Re1 Rd8 13.Bc2 Qd6) 10.0-0 Nc6 11.Re1 Qd6 12.Bc2 Bg4 13.h3 Bf3; B) 9.Ne5 Nc6 10.f4 0-0 11.Be2 Ne5 12.Be5 Bd6 13.0-0 Be5; C) 9.Be2 Nc6 (9...0-0 10.Ne5 Bd6 11.d4 Nc6 12.d5 Qf5 13.Nc6 bc6) 10.0-0 0-0 11.Na3 Rd8 12.Nb5 Qe7 13.d4 Nd4) 9.Bd3 (9.Nc3 Nf6 (9...e4 10.Ng5 Qe5 11.Qh5 g6 12.Qe2 Nf6 13.f4 ef3) 10.Nb5 Qe7 11.Be2 0-0 12.0-0 Rd8 13.d4 ed4; 9.Na3 Nf6 10.Nb5 Qe7 11.Be2 0-0 12.0-0 Rd8 13.d4 ed4) 9...Nf6 (9...Qd6 10.Qe2 Bg4 11.Nc3 Nf6 12.Nb5 Qd7 13.Be5 0-0) 10.0-0 (10.Qe2 Bd6 (10...e4 11.Ng5 ed3 12.Ne6 de2 13.Nc7 Ke7) 11.Nc3 (11.Na3 0-0 12.Nb5 Bb8 13.Ng5 Qg4) 11...0-0+= (11...Nb4 12.Nb5 Nd3 13.Qd3 Bb8) 12.Nb5 Bb8 13.Ng5 Qg4) 10...0-0 (10...Qd6 11.Qe2 Bg4 12.Nc3 0-0-0 13.Nd5 Nd5) 11.Re1 Qd6 12.Qb3 (12.Bc2 Bg4 13.h3 Bf3) 12...Bg4 (12...Bc5 13.Bc2-/+ (13.h3 Bh3) 13...Ng4) 13.Be5 Ne5 (13...Qd8 14.Bb2 Bf3 15.gf3-/+) 14.Ne5 Rae8 15.f4 (15.Nc3 Bc5 16.Nb5 (16.Ng4?? Ng4 17.Ne4 Qh2 18.Kf1 Qh1 19.Ke2 Qg2-+) 16...Bf2 17.Kf2 Qc5 18.Re3 Re5 19.Na7-+) 15...Qd4-+ 16.Kh1 Qa1 17.Qb4 Qd4 0–1. Boor,C (2230) – Aramil,W (2215), Masters Las Vegas USA, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Qe2 Nc6 8.c3 Be7 9.Na3 Ba3 10.Ba3 Nge7 11.Nf3 Bg4 12.h3 Bf3 13.gf3 0-0 14.Rg1 Rfe8 15.h4 Ng6 16.Rg4 Rad8 17.Bc1 Nf4 18.Qe4 Qd7 19.Qc4 Kh8 20.Kd1 f5 21.Rf4 ef4 22.Qf4 Ne5 (better is 22...Qe7!? 23.Kc2-+) 23.Ra7 Nd3 24.Bd3 Qd3 25.Rb7 Qf1 (better is 25...Rd6 26.Qg3 g6-+) 26.Kc2 Re1 (26...Qf2 27.Qg5 Rg8 28.Rg7 Rd2 29.Bd2 Rg7 30.Qd8 Rg8 31.Qf6 Rg7 32.h5+= (worse is 32.Qf5 Qh4 33.Qe5 Qg3=)) 27.d4 Qa6 28.Qc7 Re2 29.Kb3 Qe6?? (better is 29...Qa2 30.Kb4 Rg8-+) 30.c4 (better is 30.Qc4!? Qc4 31.Kc4 Rf2 32.f4+=) 30...Rg8-/+ 31.d5 Qf6 32.Rb8 Ree8 (32...Qh4? 33.Qc8 Qc4 34.Qc4 Rb8 35.Kc3 Rf2 36.Qf4 Rc8 37.Kb3+-) 33.Re8 Re8 34.Bb2 Qf8 35.Be5 Rc8?? (better is 35...Kg8=) 36.Bg7!+- (36.Bg7 Kg8 37.Bf8 Rc7 38.Bd6+-) 1–0. Schaffranietz,Horst (1960) – Engl,Heinz (2070), Munich–ch VM2, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Qf3 Qf3 8.Nf3 f6 -/+.

    7.Nf3 Nc6 8.c3 Bc5 9.d4 ed4 10.cd4 Bb6 11.Nc3 Qd8 12.d5 Bf2? (better is 12...Qe7 13.Be2 Qb4=) 13.Kf2+- Qb6 14.Kg3 Nce7 15.Bb5 (better is 15.Qe2!? Kd8 16.h3+-) 15...Kd8+/- 16.Re1 Nf5 17.Kf4 Nf6 18.Re6?? (better is 18.Ba3+=) 18...fe6-+ 19.de6 Kc7 20.Nd5 Nd5 21.Qd5 Qe3 (21...Be6 22.Rc1 Qc6 23.Rc6 bc6 24.Be5 Nd6 25.Qc6 Kd8 26.Qd6 Kc8 27.Ba6) 22.Kg4 Qe6?? (22...h5 23.Kh3 Qe6 24.Qc5 Kd8 25.Rd1 Nd6 26.Kg3 Rh6+=) 23.Qc5+/- (23.Qc5 Kd8 24.Rd1 Qd6 25.Rd6 Nd6 26.Kh4 Nb5 27.Bg7+-) 1–0. Karweta,Jan – Baluch,Wieslaw, Konin ch corr Poland, 1992. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Nf3 Nc6 8.c3 Be7 9.c4 Qd6 10.Qe2 Bg4 11.h3 Bf3 12.Qf3 Nf6 13.Be2 0-0 14.0-0 Qe6 (14...Nd4 15.Bd4 Qd4 16.Ra2-+) 15.d3 Bc5 16.Nd2 Bd4 17.Rfb1 Rad8 18.Bd1 Bb2 19.Rb2 b6 20.Qe3 Qe7 (20...Rd7 21.Ba4 Rfd8 22.Rb3-/+) 21.Nf3 e4 22.de4 Ne4 23.Ba4 Na5 24.Rba2 (24.Bb5 Qf6 25.Rbb1 Nd6-/+) 24...Qb7 (24...Nc4 25.Qe1-/+) 25.Nd4 (25.Re2 Nc5-/+) 25...Nd6 26.c5 (26.Qf4 Qc7-/+) 26...bc5-+ 27.Nf3 Qb6 28.Bc2 Nc6 29.Ra6 Qb5 30.Be4 Ne4 31.Qe4 Nd4 32.Ng5 (32.Ra7 Rfe8 33.Nd4 cd4-/+ (33...Re4? 34.Nb5 h6 35.Rc7+-; 33...Rd4?! 34.Qf3 Qc4 35.Rc7=+)) 32...f5-+ 33.Qe5 Rfe8 34.Ne6 Re7 35.Qc5 Qc5 36.Nc5 Rd5 37.R1a5 h6 (37...Ree5 38.Nb7 Nb5 39.Ra1-/+) 38.Kh2-/+ Re2 39.Nd3 Ra5 40.Ra5 Rd2 41.Ne5 Rf2 42.Ra7 Ne6 (42...f4 43.Kg1 Re2 44.Ng6-/+) 43.Ra6 (43.Re7 Nc5=+) 43...Nf4-/+ 44.Kg3 Rf1 45.Ng6 (45.Ra7 Kh7-/+) 45...Ng6 46.Rg6 Kf7 47.Rd6 g6 48.Rb6 Rd1 49.h4 Rd3 50.Kf2 ½–½. juliangon (2705) – marekt (2510), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Nf3 Nc6 8.Be2 Nf6 9.0-0 0-0 10.c4 Qd6 11.d4 ed4 12.Nd4 Nd4 13.Qd4 Qd4 14.Bd4 Nd7 (14...a5 15.Nc3-/+) 15.Nc3 (15.Ra7 Ra7 16.Ba7 Re8=) 15...Bc5 16.Rfd1 Bd4 17.Rd4 Ne5 18.Nd5 Nc6 19.Re4 Rd8 20.Bf3 Kf8 21.h3 (21.Nc7 Bf5 22.Rf4 Rac8-/+) 21...Bd7-/+ 22.Rh4 h6 23.Rf4 Rac8 24.Ne3 a6 25.Bd5 Be8 26.Rb1 Rc7 27.Kh2 a5 28.Ra1 Ra8 29.Ra3 a4 30.Nf5 Ra5 31.Nd6 Nb4 (31...Rd7 32.Bc6 bc6 33.Rf5 Rf5 34.Nf5-/+) 32.Be4 Bc6 33.Bg6 Kg8 34.Be4? Rd7-+ 35.Nb5 Bb5 36.cb5-/+ Rd4?? 37.g3?? Kf8-/+ 38.Bb7 Rf4 39.gf4 Rb5 40.Bc8 Ra5 41.Bd7 Nd5 42.Ra4 Ra4 43.Ba4 Nf4 44.Kg3 Ne6 45.f4 Ke7 46.Kg4 Nd4 47.f5 Kf6 48.Bd7 Ke5 49.Be8 f6 50.Bd7 Ne2 51.h4-/+ Nf4 52.h5 Ke4 53.Be6 Ke3 54.Bf7 Nd3 55.Bd5 Ne5 56.Kg3 Kd4 57.Bb7 Ke3 58.Bd5 Nd3 59.Bb7 Kd4-/+ 60.Kg4 Ke5 61.Bc6 Nb4 62.Bd7 Nd5 63.Kf3 Ne7 64.Kg4 Ke4 65.Ba4 Nd5 66.Bc2 Ke5 67.Kf3 Nf4 68.Bb1 Nh5 69.Kg4 Nf4 70.Bc2 Nd5 71.Kh5 Ne7 72.Kg4 Nf5! (72...Nf5 73.Kh5 Ne3-+) 0–1. Seeger,Werner – Oesterle,Peter (2260), BL2–S8990 Germany, 1990. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.f4 Nc6 8.fe5 Ne5 9.Qe2 f6 10.c3 Be7 11.d4 Bg4 12.Qe3 Nh6 (12...Nc4 13.Bc4 Qc4 14.Nd2-/+) 13.Nd2 (13.de5 Qd1 14.Kf2-+) 13...Nd7 14.Ne2 Qe6 15.Qf2 (better is 15.Qe6!? Be6 16.Nf4+=) 15...Nf5-/+ 16.c4 Ne3 17.Rc1 Bb4 18.d5?? (18.Bc3 Ba3 19.Rb1-+) 18...Nc5 19.Nf4 (19.de6?? Nd3) 19…Nc2 (19...Ng2) 0–1. Januschopolsky – Rovner, Moscow, 1929. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    7.Na3 Ba3

    8.Ra3 Nc6 9.c4 Qd6 10.Nf3 Nge7 11.Rd3 Qc7 12.Re3 Bg4 13.Be2 Bf3 14.Bf3 0-0 15.Be4 f5 16.Bb1 Ng6 17.0-0 Qd8 18.Qb3 Qc7 (18...b6 19.f4 ef4 20.c5 Kh8 21.Rd3-/+) 19.Ba3 (19.Qd1 Nd4 20.Ba2-/+) 19...Nd4-/+ 20.Qd1 Rf6 21.Ba2 f4 22.Rh3 f3! 23.Re1 (23.gf3 Nf4 Combination) 23...Nf4 24.Rh4? (better is 24.Rf3 Nf3 25.Qf3-+) 24...Nde2 25.Re2 Ne2 26.Kf1 Rg6 27.Qc2 (27.c5 Kh8 28.Bd5 Rg2 29.Bf3 Rg1 30.Ke2 Rd1 31.Kd1-+) 27...fg2 28.Ke2 g1Q 29.c5 Kh8 (29...Kh8 30.Qf5 Qc6-+) 0–1. BatTESTI,Marc Andria (1890) – Massoni,Michael (2045), Corsica–ch Bastia, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.a3 e5 6.ab4 Bb4)

    8.Ra3 Nc6 9.Rd3 Qa5 10.Rg3 (10.Ra3 Qc7=) 10...Bf5 (10...Nf6 11.Bd3 g6 12.Ne2+=) 11.Bc4 Bg6 12.Nf3 0-0-0 13.0-0 Nh6 14.Bb3 Qc5?? (14...Nf5 15.Rg4+=) 15.Bc3?? (better is 15.Ne5 Nf5 16.Rc3+-) 15...Nf5+= 16.Rg5 (16.Rh3 Nfd4-/+) 16...f6 17.Be6 (17.Rg4 Nfd4 18.Bd4 Nd4 19.Nd4 Rd4-/+) 17...Kb8 18.Rf5 Bf5?? (better is 18...Rhe8 19.Nh4 Re6 20.Ng6 hg6-/+) 19.Bf5+- Nd4 20.Bd3 Rhe8 21.Nd4 (21.Bh7?! Nb5 22.Ba1 e4=) 21...ed4 22.Bb2 h5 23.Qf3 Qc7 24.Rb1 (24.Qh5? Rh8 25.Bh7 g5-+) 24...b6 25.h3 (25.Qh5? Rh8 26.Bh7 g5-+) 25...Re5 26.Ba3 Rc8 27.Qd1 Rg5 28.Qf3 Re5 ½–½. Truksa,Vaclav (1815) – Malek,Milan (1670), Pilsen CZE, Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    8.Ra3 Nc6 9.Nf3 Nge7 10.c4 Qd6 11.Qa1 f6 12.Be2 Nb4 13.Qd1 Bf5 14.0-0 Bc2 15.Qa1 Bd3 16.Bd3 Nd3 17.Bd4 Nc5 18.Bc5 Qc5 19.Rb1 Kf7 20.Rb7 Rhb8 21.Rab3 Rb7 22.Rb7 a5 23.d3 a4 24.Qa2 Kf8 25.h3 Qd6 26.Ne1 Ra6 27.Qb1 a3 28.Qa2 Qd8 29.Rb3 Qa5 30.Nc2 Qd2 31.c5 Qc1 32.Kh2 ½–½. Lamprecht,Rudolf (2000) – Nepomnyaschy,Yuri, IECG, 1997.

    8.Ra3 Nc6 9.Rg3 Bf5 10.c4 Qd7 11.Nf3? (better is 11.Rg7!? Nd4 12.Be2=) 11...f6-/+ 12.Be2 0-0-0 13.0-0 g5 14.Qa1 Nge7 15.d4 ed4 16.Rd1 Bc2 17.Rd2 Nf5 18.Rg4 (18.Rc2 Ng3 19.fg3 d3-/+) 18...h5 19.Rgd4 Nfd4 20.Nd4 Nd4 21.Bd4 Qa4 22.Qb2 Rhe8 23.h3 Bb3 24.Bh5 Qc4 (better is 24...Re1!? 25.Kh2 Qc4 (25...Bc4?! 26.Bf6 Rf8 27.Be5+=) 26.Bg4 Kc7 27.Bb6 ab6 28.Rd8 Kd8 29.Qd2 Qd5 30.Qe1 Qd6 31.g3 Bc4-/+) 25.Be8= Re8 26.Be3 (worse is 26.Bf6 Re1 27.Kh2 Qc7 28.f4 Qf4 29.g3 Qf3 30.Qc3 Qc3 31.Bc3 Rc1+=) 26...Re6 27.Qa3 (27.Ba7 Re1 28.Kh2 Qf4 29.g3 Qf3 30.Rc2 Kd8 31.Bb6 Ke8 32.Rc8 Kf7 33.Qb3 Qb3 34.Rc7 Kg6-+) 27...Qa4 28.Qc5 Qc6 29.Qa7 Rd6?? (better is 29...Bd5+=) 30.Qa8 Kc7 31.Qa5?? (better is 31.Rd6 Qd6 32.Qa5 Kb8 33.Ba7 Kc8 34.Qc3 Qc6 35.Qb3+-) 31...b6+/- 32.Qa7 Kc8 33.Rd6 Qd6 34.Bb6 Qd1 35.Kh2 Qd6 36.Kg1 Qd1 37.Kh2 Qd6 38.Kg1 Qd1 39.Kh2 Qd6 ½–½. Vojta,Tomas (2240) – Vagner,Tomas (2060), Most op–A, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    8.Ra3 Ne7 9.Ne2 (9.d4 ed4 10.Bd4 0-0-+) 9...Nbc6 10.Nc3 Qd8 11.Bc4 0-0 12.0-0 Nd4 13.Ra2 (13.Re1 Qb6 14.Qc1 Nef5-/+) 13...Bf5 14.d3 a6 15.Ra1 (15.Ne2 b5 16.Nd4 ed4-/+ (16...bc4?! 17.Nf5 Nf5 18.Be5=)) 15...b5-+ 16.Ba2 Rc8 17.Bb1 Qb6 18.Qd2 Rfd8 19.Re1 (19.Ne2 Nd5-/+) 19...Ng6 (19...Qg6 20.Kh1 Bg4 21.Re3-+) 20.Re3 (20.Ne2 Qf6-/+) 20...Nh4 (better is 20...Nf4 21.Kh1 b4-+) 21.Ne2? (better is 21.Rg3-+) 21...Qc6 22.f3 Qg6 23.Ng3 Bh3! 24.Bd4 (24.gh3 Ndf3 Double attack) 24...ed4 (worse is 24...Rd4 25.gh3 b4 26.Qe2+=) 25.Re7 (25.Re5 Bg2 26.Qf4 Nf3 27.Kg2 Ne5 28.Qe5 Rc6-+) 25...Re8 (25...Qf6 26.Ra7 Bg2 27.Qf2-+) 26.Re8 (26.Ra7 Rc6-+ (worse is 26...Bg2 27.Qf4 Re1 28.Kf2-+; worse is 26...Ng2 27.Ba2 Rf8 28.Bd5-+)) 26...Re8 27.Qf4 Ng2 28.Qd4 Ne1 29.Kf2 Qg5 30.Ne4 Qh4 31.Ke2 Ng2 32.Ba2 Bc8 33.Rg1 Nf4?? 34.Kd1+- Qh6?? 35.Nf6 Kf8 36.Qc5 (36.Qc5 Re7 37.Qc8 Re8 38.Qe8; 36.Qd6 Re7 37.Qd8 Re8 38.Qe8) 1–0. Day,Lawrence A (2370) – Livshits,Ron (2370), CAN–ch, 1994. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    8.Ba3 Nc6 9.Ne2 Nge7 (9...Qe4 10.f3 Qh4 11.g3=) 10.Nc3 Qd7 11.Bb5 (11.Bd3 0-0=) 11...0-0 12.0-0 (12.Bc5 Qc7 13.Bc6 bc6=) 12...Rd8 13.Qb1 (13.Bd3 Nd5 14.Qh5 g6 15.Nd5 Qd5=+) 13...Nd5 (13...Qd2? 14.Be7 Rd4 15.Bc6 Qc3 16.Bf3+- (16.Bb7?! Rb8 17.Ra7 Qc7+-)) 14.Ne4 (14.Nd5 Qd5 15.Re1 Nd4=+) 14...Qg4-/+ 15.Bc6 bc6 16.Ng3 Nf4 17.d3 h5 18.Qd1 h4 19.Qg4 Bg4 20.Be7 (20.Ne4!?-/+) 20...hg3-+ 21.Bd8 gh2 22.Kh2 Rd8 23.Ra7? (better 23.Rfe1 Rd5 24.f3-+) 23...Rd6 24.f3 (24.Re1 Ne2 25.Re2 Be2 26.Ra8 Kh7 27.Ra4-+) 24...Ne2 25.Ra8 (25.g3 Rh6 26.Kg2 Bh3 27.Kf2 Bf1 28.Kf1 Rh2-+) 25...Kh7 26.g3 Rh6 27.Kg2 Bh3 (27...Bh3 28.Kf2 Bf1 29.Kf1 Rh2-+) 0–1. Chambers,Ezra Paul (1855) – Aranda Marin,Cristian (2350), 34th Andorra Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Ba3)

    7.Na3 Nc6

    8.Nb5 Bd6 9.Qf3 Qe6?? (better is 9...Qf3 10.Nd6 Kd7 11.Nf3 Kd6+=) 10.Bc4!+- (10.Bc4 Qd7 11.Bf7 Kd8 12.Bg8+-) 1–0. michaelbuss – Rkoelbach, ChessWorld.net, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6)

    8.Nf3 Ba3 9.Ra3 Nge7 10.c4 Qd6 11.Re3 Bg4 12.h3 (12.Be2 Bf3 13.Bf3 0-0+=) 12...Bf3-/+ 13.Qf3 0-0-0 14.Bd3 Nb4 15.Bf5 Nf5 16.Qf5 Qd7 17.Qd7 Rd7 18.Be5 (18.Ke2!? Rhd8 19.Bc3-/+) 18...Nc2 19.Ke2 Ne3 20.fe3 f6 21.Bc3 Rc7 22.Bd4 (22.Ra1 b6-+) 22...Rc4 23.Ba7 Kc7 24.Rb1 Rc6 25.Bd4 Ra8 26.Rb2 Ra5 27.g4 h6 28.Kf3 b6 29.Kf4 Kb7 30.h4 g6 (30...h5 31.Rb1-+) 31.e4-/+ Ra4 32.Be3 Re6 33.d4 Re8 34.h5 g5 35.Kf5 Ra3 36.Re2 Ra5 (36...b5 37.Bc1 Rf3 38.Kg6-/+) 37.d5 Re5 38.Kf6?? (38.Kg6 Ra4 39.Rb2+= (39.Kh6?? Rae4 40.Kg7 Re3-+)) 38...Re4-+ 39.Bb6 Rf4 (39...Re2?! 40.Ba5 Rg2 41.Kg6=; 39...Kb6 40.Re4 Rd5 41.Re6 Kc7 42.Kg7+-) 40.Ke7 (40.Kg6 Kb6 41.Re5-+) 40...Kb6 41.d6 (41.Re6 Kc5 42.d6 Ra7 (42...Rg4 43.d7 Ra7 44.Ke8-+) 43.Ke8 Rd4 44.Rh6 Rd6 45.Rd6 Kd6 46.Kf8 Ke6 47.h6 Rb7 48.Kg8 Kf6 49.Kh8 Kg6 50.h7 Rb8) 41...Rd4 (41...Raa4 42.d7 Rae4 43.Kd6 Rd4 44.Ke6 Rg4 45.Rc2 Rge4 46.Kf5-+) 42.d7 (42.Rb2 Kc5 43.Rc2 Kb4 44.Rb2 Kc3-+) 42...Ra7 43.Re6 (43.Rb2 Kc5 44.Rc2 Kb4-+) 43...Kc7 (better is 43...Kc5 44.Re5 Kc4-+) 44.Rh6 (44.Kf7-+) 44...Rd7 45.Kf6 Ra6 (45...Ra6 46.Kf5 Rh6 47.Kg5 Rb6-+) 0–1. Truksa,Vaclav (1815) – Kourousis,Epaminondas (2380), Pilsen CZE, Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6)

    8.Nf3 Bg4 9.Be2 Nd4?? 10.Bd4 (better is 10.Nd4!? Qg2 11.Rf1+-) 10...ed4= 11.Nb5 Qc5 12.Nfd4 Qe7 13.0-0 Bd7?? (better is 13...Be2 14.Ne2 Qd7 15.Ra7 Ra7 16.Na7 Bd2+/-) 14.Nc7+- Kf8 15.Na8 Qe5 16.c3 Bd6 17.Nf3 Qh5 18.d4 Bg4 19.h3 Nf6 (19...Bh3 20.gh3 Qh3 21.Ne5+- (21.Ra7?! Qg4 22.Kh1 Qh3 23.Kg1 Qg4 24.Kh1 Qh3 25.Kg1=)) 20.Re1 (better is 20.hg4 Ng4 21.g3 Qh3+-) 20...Bh3 21.Ne5 Qg5 22.Bf3 Nd7 23.Ra5 Ne5 24.Rae5 Be5 25.Re5 Qd8 26.Qa4 g6 27.Qb4 Kg7 28.Qb7 Bc8 29.Qa7 Re8 30.Re8 Qe8 31.Qc5 Qe1 32.Kh2 Qf2 33.Qc8 Qh4 34.Qh3 Qf4 35.Qg3 Qh6 36.Kg1 Qe3 37.Kf1 Qd3 38.Kf2 Qc3 39.Qe5 Kg8 40.Nc7 h5 41.Bd5 Qc2 42.Kg3 Qa4 43.Qe8 Qe8 44.Ne8 Kf8 45.Nd6 f6 46.Bf7 Ke7 47.Bg6 Kd6 48.Bh5 Kd5 49.Kf4 Kd4 50.g4 Kd5 51.Kf5 1–0. Laguna Tellez,Evaristo – Andersen,Vagn Bo, ICCF–Cup8 V162 corr, 1990. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6)

    8.Nb5 Qd8

    9.Bc4 Nf6 10.Ba3 Ba3 11.Ra3 0-0 12.Ne2 a6 13.Nbc3 Bg4 14.f3 Bh5 15.Bd3 b5 16.Ra1 Qd7 17.Ng3 Bg6 18.Bg6 hg6 19.0-0 Qd4 20.Kh1 Rfd8 21.Nce4 Ne4 22.fe4 Qd2 23.Qf3 Rf8 24.Rad1 Qb4 (24...Qc2?! 25.Rc1 Nd4 26.Rc2 Nf3 27.Rf3-/+) 25.c3 Qc4 26.Qg4 Rad8 (26...Qc3 27.Rc1 Qe3 28.Rc6+=) 27.Ra1 a5 (27...Qc3 28.Rac1 Qe3 29.Rc6=) 28.Ne2 Rd2 29.Ng1 a4 30.Nf3 Rf2?? (better is 30...Re2 31.Ng5 f6-+) 31.Rf2+- 1–0. Kelly,Paul J – Downey,Kevin (2055), WLS–ch Cardiff, 1995. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.Bc4 Nf6 10.Ne2 0-0 11.c3 Bc5 (11...Be7 12.Ba3-+) 12.d4-/+ ed4 13.cd4 Bb4 14.Kf1 (14.Bc3 a6 15.Bb4 Nb4-/+) 14...Ne4 (14...Be6 15.Qd3-+) 15.Kg1 Qf6 16.f3 Nd6 17.Nd6 Qd6 18.g3 Be6 19.Bd3 Rad8 20.Kg2 a6 21.Qc2 h6 22.Rhd1 Ne7 23.Nf4 Nd5 24.Nd5 Bd5 25.Rac1 Rfe8 26.Be4 Re7 27.Bd5 Qd5 28.Qf2? (better is 28.Qd3-+) 28...Rde8 29.Rc2 Qb3 (better is 29...Qb5 30.Kg1 Re2 31.Re2 Re2 32.Qf1 Rb2 33.Qb5 ab5 34.Rd3-+) 30.Rdc1 Qd3 31.Bc3? (31.Qf1 Re2 32.Re2 Re2 33.Kh1-+) 31...Re2 32.Bb4 Rf2 33.Rf2 Qd4 34.Bc5 Qd3 0–1. Staub,Gerhard – Hanisch,Joerg (2150), Verbandsliga Nord Baden, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.Nf3 Qe7 10.Be2 Nf6 11.0-0 0-0 12.c3 Bc5 13.d4 ed4 14.cd4 Bb6 15.Ba3 Nb4 16.Qd2 Ba5 17.Rfb1 Nfd5 18.Bc4 a6 19.Bd5 ab5 20.Ba2 Bf5 21.Rb4 Qd8? 22.Qf4 Bb4 23.Bb4 Be6 24.Bf8 Qf8 25.Qd2 Qd6 26.d5 (26.d5 Bg4 27.Nd4+-) 1–0. Lamprecht,Rudolf (2000) – Burgin,Robert, IECG, 1997.

    9.Nf3 Nf6 10.Be2 0-0 11.0-0 a6 12.Ne5= Ne5 13.Be5 Qd2 14.Qd2 Bd2= 15.Nc7 Bf5 16.Na8+/- Ra8 17.Bf3 Rc8? 18.Bb7+- Rc2 19.Ra6 h6 20.Bf6 gf6 21.Rf6 Bg6 22.Bf3 Bg5 23.Rb6 Rc8 24.g3 Rd8 25.Rd1 Rd1 26.Bd1 Kg7 27.f4 Bf6 28.Kg2 Be4 29.Bf3 Bd3 30.g4 Bc4 31.Kg3 Bd3 32.h4 Bc3 33.g5 hg5 34.hg5 Be1 35.Kg4 Ba5 36.Rd6 Bc4 37.f5 Bc7 38.Rc6 (38.Rc6 Bb3 39.Rc7+-) 1–0. Kernodle,Roger – Richard,Andy, IECC, 1997.

    9.Nf3 Nf6 10.Be2 (10.Be5 0-0 11.Bf6 Qf6+= (worse is 11...gf6 12.c3 Ba5 13.Be2+=)) 10...0-0 (10...e4 11.Nfd4-/+) 11.0-0 (11.Ne5!? Ne4 12.Nf3+=) 11...Re8-/+ 12.d4 ed4 13.Nfd4 Bd7 (13...Bc5 14.Bf3 Ne5 15.Re1-/+) 14.Nc6+= bc6 15.Bf3 Be7 (worse is 15...cb5 16.Ba8 Qc7 17.Bf6 gf6 18.Bd5+/-) 16.Nd6 Rf8 17.Be5 Qb6 18.Rb1 Qd8 19.Qd4 Bd6 20.Bd6 Bf5 (better is 20...Re8!?=) 21.Qf4+/- Bc2 22.Rbc1 (worse is 22.Bc6 Rc8 23.Bb7 Bb1 24.Bc8 Re8+=) 22...Bd3 23.Rfd1 (23.Bc6?! Bf1 24.Bf8 Rc8+=; worse is 23.Bf8 Bf1 24.Bg7 Kg7 25.Qg5 Kh8 26.Kf1 Rb8=) 23...Bb5 24.Bf8 Qf8 25.Bc6 Bc6 26.Rc6 a5 27.Qf5 Re8 (27...a4!?+/-) 28.Rdc1 Qe7 29.Qa5 Qd7 30.h3 h6 31.Qc3 Nd5 32.Qd4 Nf6 (32...Qf5 33.R6c5 Nf4 34.Rf5 Ne2 35.Kf1 Nd4 36.Rd5+-) 33.Qd7 Nd7 34.Rc8 Kf8 35.Kh2 g6 36.Kg3 Rc8 37.Rc8 Kg7 38.Kf4 Nf8 39.Ke5 Nd7 40.Kd6 Nf6 41.f3 Nh5 42.Ke5 g5 43.Rc4 Nf6 (43...Nf4 44.Rc2+-) 44.g4 Nd7 45.Kf5 Nf6 46.Rd4 Ng8 47.Rd7 Nf6 48.Rd1 Ng8 49.Re1 Nf6 50.h4! gh4 51.Rh1 Nd5 52.Rh4 Ne7 53.Ke4 Kg6 54.Rh1 Ng8 55.Ra1 Nf6 56.Ke5 Nd7 57.Kf4 Nc5 58.Ra5 Nd7 59.Ra6 Kg7 60.Kg3 Nf8 61.f4 Ne6 62.Rb6 Nf8 63.f5 Nh7 64.Kh4 Nf6 65.g5 hg5 66.Kg5 Ne4 67.Kf4 Nf6 68.Ra6 Nh7 69.Ke5 Nf8 (69...Ng5+-) 70.Rd6 Nh7 71.f6 Kg6 72.Rd8 Nf6 73.Rd6 (73.Rd6 Kg5 74.Rf6 Kg4 75.Rf7 Kg3 76.Ke4 Kg4 77.Rg7 Kh5 78.Kf5 Kh4 79.Rg8 Kh3 80.Kf4 Kh2 81.Kf3 Kh1 82.Kf2 Kh2 83.Rh8) 1–0. Gulko,Boris F (2585) – Pohla,Harry (2200), Tallinn, 1977. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.Nf3 Nf6 10.Be2 0-0 11.0-0 Re8 12.d4 Nd4 13.Nfd4 ed4 14.Bd4 a5 15.c3 Bf8 16.Bd3 g6 (better is 16...Nd5!?+=) 17.Bf6+= Qf6 18.Nc7 Be6 19.Ne8 Re8 20.Ra5 Qc3 21.Bb5 Qa5 22.Be8 b5 23.g3 Bc5 24.Qf3 Qb6 25.Rd1 b4 26.Qf6 Qa7 27.Rd8 Bf8 28.Bd7 Qd7 29.Rd7 Bd7 30.f4 Be6 31.Kf2 h5 32.Qd8 b3 33.Kf3 Kg7 34.Qd3 Ba3 35.f5 gf5 36.Qd4 Kg6 37.Kf4?? (better is 37.Qd8=) 37...b2-+ 38.Qd3 Bd6!! 39.Ke3 (39.Qd6 b1Q Combination) 39...Ba2 40.Qd6 f6 41.Qb4 b1Q 42.Qb1 Bb1 43.h4 Kf7 0–1. Mary,Patrick – De Keyser,Yves, FRA–ch distr04 corr, 1991. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.Nf3 Nf6 10.Ne5 0-0 11.Nc6 bc6 12.Nc3 Re8 13.Be2 Bg4 14.f3 Bf5 15.0-0 Qd4 16.Kh1 Rad8 17.Ra4 a5 18.d3 Qe3 19.Re1 Nd5 20.Nd5 Rd5 21.Bc1 Qf2 22.Bd2 Bd2 23.Qd2 Rde5 24.Re4 Be4 (24...Re4?! 25.fe4 Bg4 26.Qa5 Be2 27.Qd2+=) 25.fe4 Rg5! 26.Rg1 (26.Qg5 Qe1 Mate attack) 26...Rb5 27.Rf1 Qb6 28.Qf4 Rf8 29.e5 Rb1 30.Bd1 c5 31.Qc4 Qb4 32.Qd5 Qd4 33.Qa2 Ra1 34.Qb3 Qe5 35.c3 Rc1 0–1. Stergiou,E – Kapnisis,Spyridon (2120), GRE–ch U16, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4)

    9.Nf3 Bg4 10.Be2 Bf3 11.Bf3 Nge7 12.c3 Bc5 13.0-0 (13.d4 ed4 14.cd4 Bb4 15.Kf1 a6+=) 13...a6-/+ 14.Na3 0-0 15.Qe2 Kh8 (15...Ng6 16.Qc4 Qb6 17.Rab1-/+) 16.Nc4+= Qc7 17.Rfe1 Ng6 18.Bc6 bc6 19.Ne5 Ne5 20.Qe5 Bf2 21.Kf2 Qb6 22.Qe3 Qb2 23.Reb1 (23.Kg1 a5+=) 23...Qc2-/+ 24.Rc1 Qf5 25.Qf3 Qf3 26.Kf3 Rfb8 27.Ra2 g6 (27...a5 28.Rca1 Rb5 29.d4+=) 28.Rca1+= Rb6 29.Ke3 c5 30.Ra5 (30.Kd3 Rd6 31.Kc4 Rad8=) 30...Re8 31.Kd3 (31.Kf3 Rd8-/+) 31...Rd6 32.Kc2 Re2-+ 33.Rd1 Rg2 34.Rc5 Rh2 35.c4 h5 36.Rc7 Kg7 37.Kc3 g5 38.c5 Rd8 39.c6 g4 40.Rf1 Rh3 41.Kc2 Rf3 42.Rg1 Rf6 43.d3 Rdd6 44.Kd2 Rc6 45.Rc6 Rc6 46.d4 Re6 47.Kd3 f5 48.d5 Re8 49.Kd4 h4 50.d6 h3 0–1. Lamaie,Hossein – Dehghani,H (2220), ch–IRI Mashad IRI, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.Nf3 Bg4 10.Be2 Bf3 11.Bf3 Nge7 12.c3 Bc5 13.0-0 Qb6 14.Qe2+= 0-0 15.d4 a6 16.dc5 Qb5 17.c4 Qc5 18.Ba3 Nb4 (18...Qa7 19.Bc6 bc6 20.Qe5+=) 19.Bb7= Ra7 20.Bf3 (20.Ba6 Nec6 (20...Ra6? 21.Bb4 Qb4 22.Ra6+-) 21.Bb5 Rfa8 22.Bc6 Qc6 23.Qe5 f6+= (23...Ra3?? 24.Ra3 Rf8 25.Qb5+-; worse is 23...Qc4 24.Bb2 f6 25.Ra7 fe5 26.Ra8 Kf7 27.Be5+-)) 20...a5 (20...Rb8 21.Rfb1 a5 22.Bb4 Rb4 23.Rb4 ab4 24.Ra7 Qa7 25.Qe5+=) 21.Rfd1 (21.Bb4 Qb4 22.Qe5 Qc4 23.Ra5 Nc6 24.Bc6 Ra5 25.Qa5 Qc6=) 21...Rc7+= 22.Rac1 Nec6 (22...Rb8!?+=) 23.Bc6= Rc6 24.Rd5 Qa7 25.Re5 h6 26.h3 (26.Rb5 Re6 27.Qd2 Rfe8 28.Bb4 ab4 29.Qb4 Re2+=) 26...Qa6 (26...Qc7 27.Bb2=) 27.Re7 ½–½. Vojta,Tomas (2245) – Hora,Milan (2050), CZE–chTV, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    9.Nf3 Bg4 10.Be2 f6 11.Ne5= Be2 12.Nc6 Bd1 13.Nd8 Rd8 14.Rd1 a6 15.Nd4 Kf7 16.c3 Bc5 17.Nb3 Re8 18.Kf1 Bd6 19.h3 Ne7 20.d4 b5 21.c4 (21.Ra1!? Ra8 22.Ba3 Ba3 23.Ra3=) 21...bc4-/+ 22.Nd2 Rc8 23.Ne4 (23.Rc1 Bf4 24.Ke2 Bd2 25.Kd2 Rhd8-+) 23...Bb4 24.Bc3 a5 25.Bb4 ab4 26.Nd6 Ke6 27.Nc8 Rc8 28.Ke2 Kd5 29.Rb1 Nc6 30.Kd2 Kd4 31.Rhd1 c3 32.Kc2 Kc4 33.Rd6 Na5 34.Rb6 Nc6 35.Rd1 Kc5 36.Rb7 Ra8 37.Rg7 Ra2 38.Kd3 Rf2 39.Ke3 Ra2 40.Rc1 Ne5 41.Rc7 Kb5 42.Rb7 Kc4 43.Rb1 Rb2 44.Rc7 Kb3 45.Rf1 Rg2 46.Rf6 Nc4 47.Kd4 Rd2 48.Kc5 Ne5 49.Rb6 Nd3 50.Kd4 Nb2 51.Ke4 Na4 52.Rbc6 c2 53.Ke3 Rh2 54.h4 Nc3 55.Rc3 bc3 56.Rb7 Ka4 57.Ra7 Kb5 (57...Kb5 58.Ra1 Kb4-+) 0–1. Martenot – Mounier, corr FRA, 1987. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nc6 8.Nb5 Qd8)

    7.Na3 Nf6

    8.Nb5 0-0 9.Nf3?? (9.Nc7 Qc5 10.Na8+=) 9...Na6 10.Be2 e4 11.Ne5 Rd8 12.Bd4 e3 13.0-0 ed2 (better is 13...ef2!? 14.Rf2 Ne4-/+) 14.c3 Bc3 15.Bc3 Be6 16.Ra5 (better is 16.Bd4!?+/-) 16...Ne4+= 17.Qa1 Nc3 18.Nc3 Qd6 19.Rb1 Rac8 20.Nd1 Nc5 21.Ra3 (worse is 21.Ra7 Nb3 22.Qb2 Nd4-+) 21...Bf5 22.Rg3? (better is 22.Rb4+=) 22...Bb1-+ 23.Nf7 Qd4 24.Nh6 Kh8 25.Nf7 Kg8 26.Nh6 Kh8 27.Nf7 Kg8 28.Nh6 ½–½. Eriksson,Joel – Stillerud,Lennart, Sweden class ch, 1990. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Nb5 Qc6 9.Ra7 Ra7 10.Na7 Qe4 11.Be2 Bd7=+ (< 11...Qg2 12.Bf3 Qg6 13.Nc8+-).

    8.Nb5 Qc6 9.Na7 Qe4 10.Be2 Bd7=+ (10...Qg2? 11.Bf3 Qg6 12.Nc8 Ra1 13.Ba1+-).

    8.Nb5 Qc6 9.Be5+= 0-0 10.Nc7 (10.Ra7 Ra7 11.Na7 Qe4 12.Qe2 Qc2 13.Nc8 Rc8-+; worse is 10.Na7 Qe4 11.Qe2 Qc2-/+) 10...Rd8 (10...Ne4 11.Bd3 (11.Na8 Bd2 12.Qd2 Nd2 13.Kd2 Qd5 14.Bd3 Qe5-+) 11...Qc5 12.Be4 Qe5 13.Na8 Qe4 14.Kf1=) 11.Bd3 (better is 11.Nf3 Bg4 12.Bd3+= (worse is 12.Na8 Qe4 13.Be2 Bf3-/+)) 11...Ne4? (11...Ng4 12.Bg3 Bd2 13.Kd2 Nf2 14.Bf2 Qc7+/-) 12.Qf3?? (12.Na8 Nd2 A) worse is 13.Bb8 Qg2 14.Qd2 Re8 15.Be2 Bd2 16.Kd2 Bf5 (16...Qh1? 17.Bf3 Rd8 18.Kc3 Qf3 19.Nf3+-) 17.Ba7 Qh1-+ (17...Ra8?! 18.Nf3 Rd8 19.Bd4+=); B) 13.c3 Rd3 14.Qe2= (14.Bb8 Bc3 15.Qe2 Nb3 16.Kf1 Ba1 17.Qd3 Qc1 18.Ke2 Nd4 19.Qd4 Bd4-+)) 12...Nd2+= (12...Bd2 13.Ke2 Bc3 14.Be4 (worse is 14.Na8 Be5 15.Be4 Qb5 16.Bd3 Qb4=) 14...Be5 15.Bc6 (15.Na8?! Qb5 16.Bd3 Qb4=) 15...Nc6 16.Rd1 (16.Na8?! Nd4 17.Ke3 Nc2 18.Ke2 Nd4 19.Ke3 Nc2 20.Ke2 Nd4 21.Ke3 Nc2=) 16...Rd1 17.Kd1 (17.Na8?! Rg1 18.Qc6 Bg4 19.Ke3 bc6 20.Rg1 Be6=) 17...Bc7 18.Qe4+/-) 13.Qc6 Nc6 14.Na8 Nf3 15.Kf1 Nfe5 16.Nc7 (16.Be4 Be6 17.f4 f5-+ (17...Ra8?! 18.fe5 Bc4 19.Kf2-/+)) 16...Nd3-+ 17.cd3 Bf5 18.g3 (18.Ne2 Bd3 (18...Rd3?! 19.Ng3 Bg6 20.f4-+) 19.Rd1 Ba5-+) 18...Ba5 (18...Bd3 19.Kg2 Bd6 20.Nf3 Bc7 21.Rhd1-+) 19.Kg2 (19.Ra5 Bd3 20.Kg2 Na5 21.Nh3-+) 19...Bc7 20.Nf3 Bd3 21.Rhe1 g6 22.Kg1 b5 23.Ra6 Bb6 24.Ra3 b4 25.Rb3 a5 26.Rd1 Bc4 27.Rd8 Bd8 28.Rb1 a4 29.Nd2 Bd5 30.Rd1 a3 0–1. Ziogaite,J – Hasanova,E (2190), EU–ch U14 Girls, 1999. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Nb5 Qc6 9.Nf3 Nbd7 10.Ra7 Ra7 11.Na7 Qe4 12.Be2 0-0 13.0-0 Bc5 14.Nb5 b6 15.d4 ed4 16.Nfd4 Ne5 17.Re1 Qg6 18.Bf1 Bg4 19.Qd2 Nf3 20.Nf3 Bf3 21.Nd4 (21.Bf6!? gf6 22.Qf4+=) 21...Bb7 22.Re5 Ne4 23.Qf4 Bd6 24.Nf5 Qf6 25.Re7 Bf4 26.Bf6 Nf6 27.Rb7 Rb8 28.Ra7 g6 29.Bc4 Rf8 30.Nd4 Ne4 31.Nc6 Nd6 32.Bb3 b5 33.g3 Bc1 34.Kg2 Bb2 35.Rd7 Nc4 36.Na7 Na3 37.Rb7 Kg7 38.Kf3 Be5 39.Ke4 Bd6 40.Kd5 Bb4 41.Nc6 Be1 42.f4 Nb1 43.Kc5 Nd2 44.Bd5 (44.Rb5?! Bf2 45.Kd6 Bg1+=) 44...Nf1 45.Ne5 (45.Rb5?! Nh2 46.Rb3 Nf1+=) 45...Bf2? (45...Rc8 46.Kb5 Nh2 47.Bf7 Kh6+-) 46.Kb5 Ne3 47.Bf7 Kh6 48.Be6 g5 49.Nf7 Rf7 50.Rf7 gf4 1–0. Day,Lawrence A (2355) – Palacios,Bobby (2240), Toronto Labour Day op, 1993. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nf6)

    8.Nb5!? Kd8 9.Ra7 Ne4 10.Nf3 Ra7 11.Na7 Bg4 -/+.

    8.Nb5 Kd8 9.Na7 Ne4 10.Bd3 Ra7 11.Ra7 Nf2 12.Kf2 Bc5 13.Kf1 Ba7 14.Qe1 Re8 15.Qe4 Qc5 16.Ke2 f5 17.Qh4 Qe7 18.Qe7 Re7 19.Bc4 Bd4 20.Bd4 ed4 21.Kf2 Nc6 22.Nf3 Ne5 23.Ne5 Re5 24.Rb1 Kc7 25.Rb4 Kc6 26.Bb3 d3 27.Rc4 Rc5 28.c3 g5 29.Rd4 f4 30.Rd3 Bg4 31.Rd4 Re5 ½–½. Spasic,Aleksandar – Lyubinin,Michael, IECG, 1999.

    8.Nb5 Kd8!? 9.Na7 Bg4 =.

    8.Nf3 0-0 9.Be2 (9.Nb5 Nc6 10.Nc7 Qe4 11.Be2 Rb8-/+) 9...Nc6 (9...e4 10.Ne5-/+) 10.Nc4 e4 11.Nfe5 Ne5 12.Ne5 (12.Be5 b5 13.Bf6 bc4-+ (13...gf6?! 14.Ne3 Qd6 15.c3+=)) 12...Rd8-+ 13.Nc4 (13.Bc4 Qc5 (13...Bd2?! 14.Kf1 Qd6 15.Nf7=) 14.0-0 Rd2-+) 13...Qg5 14.Kf1 (14.Bf6 gf6 15.Kf1 a5-+) 14...Be6 (14...Bd2?! 15.Nb6 e3 16.h4-+) 15.c3 Bc4 (15...Bc4 16.Bc4 Rd2-+) 0–1. Dougherty,Michael (2275) – Hergott,Deen (2365), Toronto op, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Na3 Nf6)

    7.Nc3 Bc3

    8.Bc3 Nf6 9.f4 Qe4 (9...Bg4!? 10.Nf3 e4-/+) 10.Qe2= Bf5 (10...Qe2 11.Ne2 ef4 12.Bf6 gf6 13.Nf4=) 11.Qe4 (worse 11.fe5 Nd5=+) 11...Be4 12.d3 Bd5 13.fe5 Nfd7 14.Nh3 Nc6 15.Nf4 Nb6 16.Be2 Ne7 (16...Ke7 17.Kd2+=) 17.Bb4 (17.Bd4 Nd7+-) 17...Ng6 (17...Bc6 18.c4+-) 18.Nd5 Nd5 19.Bd6 Nge7 (19...Nh4!? 20.Kd2 Nb6+-) 20.Bf3 1–0. juliangon (2695) – bobby fissure (2215), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3)

    8.Bc3 Nc6

    9.Qb1 Nge7 10.Qb2 0-0 11.Ra4 b5! 12.Rh4 Nf5 13.Rg4 (13.Qb5 Qd6 14.Rc4 Nfd4 15.Bd4 Nd4-+) 13...Ne3! 14.Rg5?? (14.de3 Bg4 Discovered attack; 14.fe3 Bg4 Discovered attack) 14...f6 (better is 14...Nf1 15.Kf1 f6-+) 15.de3 fg5 16.Nf3? (better is 16.Qb5 Be6 17.Qd5 Bd5 18.Nf3-+) 16...b4! 17.Be5 (17.Bb4 Rb8) 17...Rf3 18.gf3 Ne5 19.Qb4 (19.Be2 Nf3 20.Bf3 Qf3 21.Rg1-+) 19...Nf3 20.Ke2 Ba6 (20...Ba6 21.c4 Bc4 22.Qc4 Qc4 23.Kd1 Rd8 24.Bd3 Qd3 25.Kc1 Rb8 26.Rd1 Rb1) 0–1. Walczak,Krystian (1920) – Kolosowski,Mateusz (2155), Polanica Zdroj op–D Poland, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3)

    9.Be2 Nge7 10.f4 ef4 11.Bf3 +=.

    9.Be2 Nf6 10.Rb1 (10.Nf3 a5+=) 10...0-0 (10...Qg2 11.Bf3 Qg6 12.Ne2-/+) 11.Rb5 (11.Nf3!?+=) 11...Qd6 (11...Qg2 12.Bf3 Qg6 13.Ne2-+) 12.Nf3 Re8 (12...Nd5 13.Ba1+=) 13.0-0 (13.Qa1 Nd5-/+) 13...a6 (better is 13...e4 14.Nh4 g6+=) 14.Qa1?? (better is 14.Rb1+=) 14...ab5-+ 15.Qa8 b4 16.Bb2 e4 17.Ng5 Qd2 18.Bf6 (18.Nf7 Kf7 (18...Qe2 19.Nd6 Qa6 20.Ra1 Qa8 21.Ra8-/+) 19.Bc4 Kf8-+) 18...Qe2 (18...gf6?! 19.Ne4 Qe2 20.Nf6 Kg7 21.Ne8 Qe8 22.Qa1 Qe5 23.Qe5 Ne5 24.f4=) 19.Qa2 (19.Ba1 h6 20.Nf7 Kf7 21.Qa2 Be6-+) 19…Qh5 0–1. Deveau,Henri – Fressinet,Laurent (2535), Saint Affrique op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.Qf3 Nge7 10.Bd3 Qf3 11.Nf3 (11.gf3? Nd5-+) 11...f6 12.Bc4 Nf5 (12...Bg4 13.Be2-/+) 13.0-0 (13.Kd1 Nd6 14.Bd5 Ne7-/+) 13...Bd7 14.Rfb1 Kd8 15.Bd5 (15.Rb7? Nd6 16.Ba6 Nb7 17.Bb7 Rb8 18.Bc6 Bc6-+) 15...Kc7 16.h3 Rhd8 17.d3 Nfe7 18.Bc4 Be8 (18...a6 19.Bd2-/+) 19.Rb2 Nd5 20.Be1 (20.Bd2 a6-/+) 20...a6 21.Ba2 Rab8 (21...Bf7 22.Bd2-/+) 22.Nd2 Bg6 23.Nb3 b6 24.Nc1 Nf4 25.f3 (25.Bd2 Bf5-/+) 25...Nd4 26.Bc4 a5 27.Kh2 (27.Nb3 Nc6 28.Bb5 Ra8-+) 27...Rd6 (27...Kc6 28.c3 Nde6 29.Bf2-+) 28.Na2 Be8 29.Rab1 (29.Nc3 Bc6-+) 29...a4 30.Nb4 b5 31.c3 Nf5 32.g3 a3 33.Ra2 bc4 34.gf4 cd3 35.fe5 fe5 36.Rd1 Ne3 37.Rda1? Nc4 38.Bd2 Bf7 39.Ra3 Na3 40.Ra3 Kc8 41.Ra7 Rb7 42.Ra5 Re7 43.Ra8 Kb7 44.Rf8 Bc4 45.Kg3 Rf7 46.Rh8 Rdf6 47.f4 ef4 48.Kf3 Rh6 49.Bf4 g5 50.Rb8 Ka7 51.Rd8 Rf4 52.Kg3 Rfh4 53.Kf3 Rh3 54.Kg4 Kb6 55.Nd5 Bd5 56.Rd5 R6h4 57.Kf5 Rc4 58.Ke6 g4 59.Rd8 g3 60.Kf7 g2 61.Kg7 Rc7 (61...Rc7 62.Kf6 g1Q 63.Rb8 Kc5 64.Rb5 Kb5 65.c4 Kc4 66.Kf5 Kd5 67.Kf4 Rf7) 0–1. Kuban,Guenther (2260) – Lutz,Klaus Juergen, Oberursel, 1989. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.Qf3 Nf6 10.Be2 0-0 Black gets the initiative 11.Qd5 Nd5 12.Bb2 Ndb4 13.0-0-0 (13.Kd1 Bf5 14.Rc1 a5-+) 13...Bf5-+ 14.d3 Rac8 15.Rd2 e4 16.d4? (better 16.de4 Na5 17.Bc3 Rc3 18.ef5-+) 16...Na5 17.Kd1 e3! 18.fe3 Nc2 (18...Rc2?! 19.Rc2 Nc2 20.Bc1-+) 19.Bd3 Ne3 20.Ke2 Nac4 (20...Nac4 21.Kf3 Nf1 22.Bf5 Nfd2 23.Kf4 Nb2 24.Bc8 Rc8-+) 0–1. mizuzul (2260) – juliangon (2720), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.Nf3 Nge7 10.Be2 0-0 11.0-0 f6 12.d4 e4 13.Nd2 b5 14.Nb3 b4 15.Bb2 a5 16.Nc5 Rd8 17.c3 Bf5 18.Qa4=+ Qf7 19.Bb5= Rdc8 20.Nb7 Qg6 21.Qb3=+ Kf8 22.c4 Rcb8 23.Nd6 Bg4 24.Kh1 Be2 25.Rfe1= Bd3 26.Bc6 Nc6 27.c5 Ne7 28.f3 ef3-/+ 29.gf3 Bc2 30.Qe6 Bf5?? 31.Qe7+- (31.Qe7 Kg8 32.Rg1+- (32.Nf5?! Qf5 33.Re3 Re8+-)) 1–0. Spielmann,Rudolf – Saemisch,Fritz, Marienbad (7), 1925. Same as the game below. Which is correct? (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.Nf3 Nge7 10.Be2 0-0 11.0-0 f6 12.d4 e4 13.Nd2 b5 14.Nb3 b4 15.Bb2 a5 16.Nc5 Rd8 17.c3 Bf5 18.Qa4 Qf7 19.Bb5 Rdc8 20.Nb7 Qg6 21.Qb3 Kf8 22.c4 Rcb8 23.Nd6 Bg4 24.Kh1 Be2 25.Rfe1 Bd3 26.Bc6 Nc6 27.c5 Ne7 28.f3 ef3 29.gf3 Bc2 30.Qe6 Bf5 31.Qe7 1–0. Colle,E – Gruenfeld,E, Baden–Baden, 1925. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4) Same as the game above. Which is correct?

    9.Nf3 Nf6 10.Rb1 0-0 11.Bb5 (11.Be2 Ne4-/+) 11...Nd4 (11...e4 12.Bc6 bc6 13.Nd4-+) 12.Bd4-/+ ed4 13.0-0 a6 14.Be2 Qc5 15.d3 (better is 15.Re1!?-/+) 15...Nd5-+ 16.Qd2 (16.Ng5 a5 17.Ne4 Qc6-+) 16...Nc3 (16...f6!? 17.Ra1 Nc3 18.Bd1-+) 17.Rb2?? (better is 17.Rb3 Be6 18.Nd4 Ne2 19.Ne2 Bb3 20.cb3-+) 17...b5 0–1. Coro,Lucas – Signorini,Gustavo Daniel (2025), Buenos Aires ARG, Luis Bronstein Mem, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.Nf3 Nf6 10.Be2 0-0-/+ 11.0-0 Re8 12.d4 (better is 12.Re1!?-/+) 12...ed4-+ 13.Nd4 Nd4 14.Bd4 Re2! 15.Qe2 Qd4 16.Rfd1 Qb6 17.Qe7 Bd7! 18.Rd7 Nd7 19.Qd7 Rd8 20.Re1 g6 (20...Rd7?? 21.Re8) 21.Re8 Re8 22.Qe8 Kg7 23.g3 Qd4 24.Qb5 b6 25.h4 h5 26.Qb3 a5 27.Qb5 a4 28.c3 Qc3 29.Qa4 Qb2 30.g4 b5 31.Qf4 Qf6 32.Qg3 hg4 33.Qg4 Qe6 34.Qd4 Kh7 35.Kg2 Qc4 36.Qf6 b4 37.Kg3?? Qc3 (37...Qc3 38.Qf3 Qf3 39.Kf3 b3-+) 0–1. Bortoloso,Moacir Canella – Alvim,Antonio Carlos, Rio de Janeiro FEXERJ op, 1991. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.Nf3 Nf6 10.Ne5 0-0 11.Nc4 Re8 12.Ne3 Bg4 =.

    9.Nf3 Bg4 10.Be2 Nge7 11.0-0 f6 12.Qb1 Qd7 13.h3 Be6 14.Rd1 Nd5 15.Bb2 Nf4 16.Bf1 0-0 17.d4 e4 18.Nh2 Qf7 19.g3? (better is 19.Qc1 Qc7 20.c4=) 19...Nh3-+ 20.Bh3 Bh3 21.d5 Ne7 22.c4 e3! 23.f4? Nf5 24.g4 Bg4! 25.Ng4 Qg6 26.Qe4 Qg4 27.Qg2 Qf4 28.Rf1 Qg5 29.Bc1 Qg2 30.Kg2 Nd4 31.Be3 Nc2 32.Bc5 Na1 33.Bf8 Kf8 34.Ra1 Ke7 35.c5 Kd7 36.Kf3 a6 37.Kf4 Rc8 38.Rc1 a5 39.Ke4 a4 40.Kd4 h5 41.Ra1? Ra8 42.Rb1 Ra7 43.Rg1 g5 44.Rf1 a3 45.Rf6 a2 46.c6 Ke7 47.Re6 Kf7 48.Re1 a1Q 49.Ra1 Ra1 50.cb7 Rb1 0–1. Nasikan,Nikolai – Regalov,Alexandr, Kiev Independence Cup–B 4th, 2004. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3 8.Bc3 Nc6)

    9.f4 Qe4 10.Ne2 Bg4 11.d3 Qe3 12.Ra4 Nf6 13.fe5 Ne5 14.Qa1 Ned7 15.Qa3 (15.Bf6!? Nf6 16.Rg4 Ng4 17.Qg7 Qf2 18.Kd1 Ne3 19.Kd2 Nc4 20.Kc3=) 15...b5 16.Bd4 Qe7 17.Qe7 Ke7 18.Ra7 Ra7 19.Ba7 Ra8 20.Bd4 Ra2 21.Kd2 Be6 22.Nc1 Ra4 23.c3 Kd6 24.Be2 Nc5 25.Re1 Ra3 26.Bd1 Bd5 27.g3 Ne6 (27...Ncd7 28.h3=) 28.Be5 Kd7 29.Kc2 Ne8 30.Kb2 Ra8 31.Be2 f6 32.Bf4 Nf4 33.gf4 Nd6 34.Nb3 Bb3 35.Kb3 Re8 36.Bg4 Kc6 37.Re8 Ne8 38.d4 Nd6 39.Kb4 f5 40.Be2 Kb6 41.h4 h6 42.h5 Ne4 43.Bb5 Nf6 44.Be2 Nd5 45.Kc4 Nf4 46.Bf3 g5 47.hg6! Ng6 48.Kd5 Nh4 49.Be2 Ng2 50.Ke5 Ne3 51.c4 h5 52.c5 Kc6 53.Bf3 Kb5 54.Bh5 Nc4 55.Kf5 Na5 56.Be2 Kb4 57.Ke4 Nb7 58.Kd5 1–0. Koltanyi,Imre (2070) – Torday,Balazs (1975), HUN–chT2 Erkel, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.ab4 Bb4 7.Nc3 Bc3)

    6.Qf3 Qf3

    7.gf3 Nc6 -+.

    7.gf3 f6 -+.

    7.Nf3 f6 8.ab4 Bb4 9.Nc3 Bc3 10.Bc3 Nc6 11.d4 ed4 12.Nd4 Nd4 13.Bd4 a6 14.Bc4 Bf5 15.0-0-0 0-0-0 16.Rhe1 Nh6 17.Re7 Rd7 18.Rd7 Bd7 (18...Kd7?? 19.Bf6 Kc8 20.Bg7+-) 19.f3 Nf5 20.Bc5 Re8 21.Bd3 g6 22.Be4 Be6 (22...b5 23.g4 Nh4 24.Rd6-/+) 23.Rd3 (23.Re1 Kc7+=) 23...Bc4 24.Bf5 gf5 25.Rd6 Re6 26.Re6 Be6 27.Bd4 Kd7 28.Bf6 ½–½. Joerg,Harald (2345) – Heiling,Thomas (2225), Oberliga Bayern9495, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Qf3 Qf3)

    7.Nf3 f6 8.ab4 Bb4 9.Nc3 Bc3 10.Bc3 Nh6 (10...Nc6 11.d4 Bg4 12.Be2-/+) 11.Bc4 Nf7 12.d4 Nd6 13.Bd5 Nb5 14.Bb2 Nc7 15.Bb3 Be6 (15...ed4!? 16.0-0-0 Be6+=) 16.de5+= Bb3 17.cb3 0-0 18.ef6 gf6 19.0-0 Nc6 20.Rfd1 Rae8 21.Ra4 (21.Rd7 Rf7 22.Rad1 Ne6+=) 21...Rd8 22.Rg4 Kf7 23.Rc1 Ne6 24.h3 Rd3 25.b4 a6 26.Rh4 Kg6 27.Re4 Kf7 28.Rcc4 Rb3 29.Bc3 Rb1 30.Kh2 h5 31.Re3 (31.g4 hg4 32.Rg4 Rd8=) 31...Rc1 (31...Rd8 32.Rce4 Rd6 33.g4 hg4 34.hg4=) 32.Rh4 Ng7 33.Rf4 Ne8 34.Ng5 Kg6 35.Ne6 Rh8 36.Nc5 b6 37.Ne4 Rf8? 38.Rg3+- Kf7 39.Bf6?? Ke6+/- 40.Ng5 Kd7+= 41.Rd3 Kc8 42.Rdf3 Rf6 43.Rf6 Nf6 44.Rf6 b5 45.Ne4 Nb4= 46.g4 hg4+= 47.hg4 Rc6 48.Rf5 Nd3 49.g5 b4 50.Nd2 Nc1 51.Rf3 a5-/+ 52.Rg3 Rg6 53.f4 Ne2 54.Rg4 Nd4 55.Kg2 Nf5 56.Kf2 a4 57.Rg1 b3 58.Ra1= b2 59.Ra4+= Rd6 60.Nb1 Rd1 61.Na3 Ra1 62.Rb4 Ra3 63.Rb2 Nh4 64.Rb4 Kd7 65.Re4 Rf3 66.Ke2 Ra3 67.Kf2 Kd6 68.Ke2 Nf5 69.Re5 Nd4= 70.Kd1?? Rf3 71.Re4 Kd5 72.Re5 Kc4 73.Kd2 Rf4 74.Re8 Rf2 75.Ke1 Rg2 76.Kf1 Rg5 77.Kf2 Rf5 78.Kg3 Rf7 79.Kg4 Kd5 80.Kg3 Ne6 81.Kg4 Ke5 82.Kg3 Kf5 83.Kf3 ½–½. Joerg,Harald (2345) – Bauer,Andreas, Oberliga Bayern9495, 1995. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Qf3 Qf3)

    7.Nf3 f6 8.d4 e4 9.Nfd2 f5 10.ab4 Bb4 11.c3 Bd6 12.Na3 Ba3 13.Ra3 Nf6 14.Nc4 Nc6 15.Nb6 Rb8 16.Nc8 Rc8 17.Rb3 b6 18.Rb5 g6 19.Bc4 (19.c4!? Kf7 20.d5-/+) 19...Nd4!-/+ 20.Re5 (20.cd4 Rc4 Discovered attack) 20...Kd7 21.Ba6 Nc6 22.Bc8 Rc8 (22...Kc8? 23.Re6 Nh5 24.Rc6 Kd7 25.Rc4+-) 23.Rb5 Kc7 (23...Ke6 24.0-0-+) 24.c4-/+ a6 25.Rb3 Nd7 26.Rh3 h5 27.Ke2 Nc5 28.Rg3 Nd3 29.Ba1 (29.Rd3 ed3 30.Kd3 Rd8 31.Kc3 b5-/+) 29...Rd8 (29...Na5 30.f3 h4 31.Rg5 Nf4 32.Ke3-+) 30.Rb1 (30.Bf6 Rd6 31.Bg7 h4-+) 30...h4 (30...Na5 31.c5 bc5 32.h4-+) 31.Rg5 Nf4 32.Kf1 Rg8 (32...Rd2 33.Bf6-+) 33.g3 Ne6 34.gh4 Ng5 35.hg5 Na5 36.c5 b5 37.Bf6 Nc4 38.Kg2 Kc6 39.h4 a5 40.h5 gh5 41.Kg3 Kc5 42.Be7 Kc6 43.Kf4 b4 44.Kf5 Kd7 45.Bf6 e3 46.Rd1 Nd6 47.Ke5 Re8 48.Kf4 ef2 49.Be5 Rf8 50.Bf6 Ke6 51.Rf1 Ne8 52.Rf2 Nf6 53.Re2 Kd6 (53...Kd6 54.gf6 Rf6 55.Kg5 Rf1 56.Rd2 Ke5 57.Re2 Kd4 58.Kh5 b3-+) 0–1. Rewitz,Poul (2250) – Hauge,Lars Oskar (2070), HC Andersen Mindgames, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Qf3 Qf3)

    6.Nf3 Nc6

    7.ab4 Nb4 8.Nc3= Qd8 (8...Qd6 9.Bb5 (9.Bc4 Qg6 10.0-0 Qc2 11.Ne5 Qd1 12.Rfd1 Be6 13.Nb5 Bc4 14.Nc4 Kd8) 9...Kd8 (9...Bd7 10.Ne4 Qd5 11.Bd7 Kd7 12.Nc3 Qe6 13.0-0 Nf6 14.Nb5 Nc6; 9...Nc6 10.0-0 Bg4 11.Re1 Nf6 12.Ne4 Ne4 13.Re4 f5 14.Re5 Kd8) 10.d4= (10.0-0 Nf6 11.h3 Qc5 12.Ba3 Bd6 13.Re1 Be6 14.Bd3 Kc8) 10...ed4 11.Nd4 Nf6 12.0-0 Bd7 13.Re1 Kc8 14.Qd2 a5; 8...Qc5 9.Bb5 Kd8 (9...Bd7 10.Bd7 Kd7 11.Ba3 Bd6 12.0-0 Nf6 13.Bb4 Qb4 14.Qe2 e4) 10.0-0 e4 11.d4 Qh5 12.Ne5 Qd1 13.Rfd1 Nh6 14.Ne4 Nc2; 8...Qe6 9.Bb5 Bd7 10.0-0 f6 11.d4 Bb5 12.Nb5 Qc4 13.Na3 Qc6 14.de5 Bc5) 9.Ne5 (9.Bb5 Bd7 10.Ne5 Bb5 11.Nb5 Be7 12.Qg4 Nc2 13.Kd1 Nf6 14.Qg7 Rf8) 9...Nf6 (9...Qe7!? 10.Bb5 Kd8+= 11.Ne2 f6 12.Nf3 Bd7 13.Bd7 Qd7 14.0-0 Nh6; 9...Bd6 10.Bb5 Kf8 11.Ne4 Be5 12.Be5 Qd5 13.Bd6 Ne7 14.0-0 Qb5; 9...Bc5 10.Bb5 Kf8 11.0-0 Nf6 12.Bc4 Be6 13.Be6 fe6 14.Re1 Kg8) 10.Bb5+/- Bd7 11.Nd7 Nd7 12.0-0 a6 (12...Qc7 13.Qf3 (13.Qg4 Kd8 14.Ne4 f6) 13...f6 (13...Bc5 14.Ne4 0-0-0) 14.Ne4+/- (14.Rfe1 Kd8) 14...Nc6; 12...Be7 13.Qg4 a6 14.Ne4 ab5) 13.Ba4 (13.Re1 Be7 14.Ba3 0-0 15.Re7 Qe7 16.Bb4 Qb4 17.Bd7 Rad8+/-; 13.Qg4 Be7 14.Ne4 ab5) 13...b5 (13...Qc7 14.Qh5 (14.Re1 Kd8) 14...0-0-0+- (14...Kd8 15.Rfe1+-)) 14.Bb3 Nf6 (14...Be7+-) 15.Re1 Be7 16.Qe2 Nc6 17.Bf7! Kf7 18.Qe6 Kg6 19.Qc6 Re8 20.Re3 (20.Nb5 ab5 21.Qa8 Qa8 22.Ra8 Ra8 23.Re7 Ra2=) 20...Qd6 21.Qf3 (21.Qb7+/-) 21...Kf7? (better is 21...Qd2!? 22.Ne4 Qd7+/- (22...Qc2 23.Nf6 Bf6 24.Qg4 Bg5 25.Re8 Re8 26.Ra6 Kf7 27.Qf3 Kg8 28.Qd5 Kh8 29.Bg7 Kg7 30.Qg5 Kh8 31.h3+/-)) 22.Ne4 (22.Nb5 Qd7 23.Nd4 Qd5+-) 22...Qd7 (22...Qd5 23.Bf6 gf6 24.Rae1+-) 23.h3 (23.Bf6 Bf6 24.Rd3 Qe7 25.Nd6 Kg8 26.Ne8 Re8+-) 23...Rec8? (better is 23...Qd5+-) 24.Rae1 Re8 25.Bf6 Bf6 26.Nf6 gf6 27.Qh5 Kf8 28.Qh6 Kg8 29.Rg3 (29.Rg3 Qg4 30.Rg4 Kf7 31.Qg7) 1–0. Grochocinska,Urszula – Tarnowska,Aleksandra, Poland chU14g Sekocin Stary Poland, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.c4 Qd6 8.ab4= Qb4 9.Be5 Ne5 10.Ne5 Nf6 (10...Bd6 11.f4=+) 11.Nc3 Bd6 12.Rb1 Qa5 13.Rb5 Qc7 14.d4 a6 15.Rb2 0-0 16.Be2 (16.f4 Qa5 17.Qd2 Bb4-/+) 16...Be5 17.de5 Qe5 18.Qb3 (18.Qc1 Be6 19.0-0 Rfc8-/+) 18...b5! 19.cb5 ab5 (19...Be6 20.Qb4 Rfc8 21.Nd1-+) 20.0-0 Be6 21.Qb4 Bc4! 22.Re1 (22.Bc4 bc4 Passed pawn) 22...Rab8 (better 22...Rfe8-/+) 23.Kf1?? (better 23.Rbb1!? Be2 24.Re2=+) 23...Be2 (better 23...Qh2 24.f3 Nh5-+) 24.Ree2? (better 24.Kg1 Rfc8 25.Ne2-+) 24…Qh2 (24...Qh2 25.f3 Nh5-+) 0-1. Grabinsky,V (2215) - Sirosh,Ilja (2400), Titled Tuesday 9th Mar, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4)

    7.c4 Qd8 8.Ne5 ba3 9.Na3 Nf6 10.Be2 (10.Nc6 bc6 11.Qf3 Bd7=) 10...Bd6 11.Nc6 bc6 12.0-0 0-0 13.Bf3 Rb8 14.Bc3 Bc7 (14...Re8!?=) 15.g3+= (15.Bc6? Qd6 16.Re1 Qc6-+) 15...Qd3 16.Re1 Bb6 17.Bf6 gf6 18.Be4 Qd4 19.Qf3 (19.Bc6 Bg4 (19...Qf2 20.Kh1+=) 20.Qb3 Rfc8-+ (20...Qf2?! 21.Kh1-/+)) 19...Bd7 20.Nc2 Qc4 21.Ne3 Be3 22.Qe3 f5 23.Ra7 fe4 24.Rd7 Qe6 25.Qg5 Qg6 26.Qg6 hg6 27.Re4 Rbd8 28.Ree7 Rd7 29.Rd7 Rc8 30.Kf1 Kg7 31.Ke2 Kf6 32.h4 Ke6 33.Ra7 f5 34.Ke3 Ke5 35.d4 Kf6 36.Kd3 f4 (36...g5 37.Rh7 Kg6 38.Rb7+/-) 37.g4 Rh8 38.Ke4 Rh4 39.Kf4 Rh1 40.Ra6 Rc1 41.d5 Rc4 42.Kf3 Kg5 43.Rc6 (43.dc6 Rc1+-) 43...Rf4 44.Ke3 Rg4 45.Re6 Kf5 46.Re8 Rg1 47.Kd4 Kf6 48.Kc5 Kf7 49.Re2 Rc1 50.Kb6 Rd1 51.Kc6 Rc1 52.Kd7 Rd1 53.d6 Rc1 54.Kd8 Rd1 55.d7 Rd3 (55...Rc1+-) 56.Rc2 Ra3 57.Kc7 (57.Kc7 Ra7 58.Kc6 Ra6 59.Kb7+-) 1-0. Riha,Vojtech (2285) - Otruba,Marek (2100), ch-CZE, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4)

    7.Bd3 Bg4 8.Qe2 (8.Be2 Nf6-/+) 8...Bf3 9.gf3 Nf6 10.ab4 Bb4 11.Nc3 Qd7 (11...Bc3 12.Bc3 0-0 13.Be4-/+) 12.Rg1 (12.f4 Qe7 13.fe5 Ne5 14.Bb5 Kd8-/+) 12...0-0 (12...Bc3 13.Bc3 0-0 14.Bb5-/+) 13.Ne4 Ne4 14.Qe4 (14.fe4 Qh3-/+) 14...f5 15.Qe3 Qe7 16.f4 Bc5 17.Qh3 Rae8 18.Kf1 Qd7 19.Rg5 g6 20.Re1 Bd4 21.Ba3 Rf6 22.Bb5 (22.c3 Bb6-/+) 22...ef4 (22...e4 23.Qg3-+) 23.Qb3 (23.Re8!? Qe8 24.c3-/+) 23...Kg7 24.Re8 Qe8 25.c3 Bb6 26.d4 Qe4 27.Qd1 (27.Rg1 Qf3 28.Ba4 Ne5-+) 27...Qd5 28.Be2 Re6 (28...Qh1 29.Rg1 Qh2 30.Bf3 Qh3 31.Ke2 Re6 32.Kd3-+) 29.Bb2 (29.Rg1 Ba5 30.Bf3 Qc4 31.Kg2 Re8-+ (31...Bc3 32.d5+/-)) 29...Na5 (29...Qh1 30.Rg1 Qh2 31.Bf3 Qh3 32.Bg2-+) 30.Qd3 Qe4 31.c4 (31.f3 Qd3 32.Bd3 Re3-+) 31...Qd3 (better is 31...f3 32.Qe4 fe4 (32...Re4?! 33.Bf3 Nc4 34.Be4-/+; 32...fe2?! 33.Qe2 Re2 34.Ke2 Nc4 35.Bc3+=) 33.d5 Rf6-+) 32.Bd3-/+ Re8 33.h4 (better is 33.c5 Bd8 34.Bb5-+) 33...Bd8 34.Rg1 Bh4 35.Kg2 (35.Bc3 Nc4! 36.d5 Kf7-+) 35...Bf6 36.Ra1 b6 (36...Nc6 37.c5-+) 37.Ra2 Rd8 38.Bc3 Bd4 39.Ba5 ba5 40.Re2 Kf6 0–1. Herbold,M (2145) – Lupor,A (2320), 12th OIBM Bad Wiessee GER, 2008. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.Be2 e4 8.c4 Qd6 9.Ng5 Qg6 10.h4 Nf6 11.Kf1 ba3 12.Na3 Bc5 13.Nc2 0-0 14.Ne3 Be3 15.de3 Rd8 16.Qb1 Re8 17.Bc3 Qf5 18.Qb5 Ne5 19.Qb2 Neg4 20.Bg4 Ng4 (20...Qg4?! 21.Bf6 gf6 22.Qf6=) 21.Ra5 Ne3 (better is 21...Qd7!? 22.Rd5 Qc6-+) 22.Kg1+= Qf4 (22...Nc4? 23.Rf5 Bf5 24.Qb7+-) 23.Qd2 Ng2 24.Qd4 f6?? (better is 24...Qf6 25.Kg2 Qd4 26.Bd4 f6+=) 25.Qd5+- Be6 26.Ne6 Re6 27.Qe6 Kh8 28.Qh3 e3 29.Qg2 Qc4 30.Qb7 Rd8 31.Rb5 ef2?? 32.Kg2+- Rg8?? 33.Rb3 1–0. Zelinsky,A (2090) – Pugachov,I (2140), 6th Volodymyr Bilinsky Memorial, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.Be2 Nf6 8.d3 (8.ab4 Bb4 9.c4 Qd6-+) 8...Bc5 (8...Nh5 9.0-0 Nf4 10.Bc1 Ne2 11.Qe2-+) 9.0-0 (9.ab4 Bb4 (9...Nb4 10.c4 Qc6 11.Be5+=) 10.Bc3 Bf8-/+) 9...0-0 (9...ba3 10.Ba3 Qd6 11.h3-/+) 10.Nbd2 (10.ab4 Bb4 11.Nfd2-/+) 10...Bf5 (10...ba3!? 11.Ba3 Ba3 12.Ra3 b5-/+) 11.Nc4 (better is 11.ab4!? Nb4 12.c4+=) 11...ba3 12.Ba3 Ba3 13.Ra3 Qc5 (better is 13...b5 14.Na5 Qc5-/+) 14.Rc3?? (better is 14.Qa1 Bg4 15.Ne3+=) 14...b5-+ 15.Ne3 (15.Nfe5 Nd5 (15...bc4?! 16.Nc6 Qc6 17.Bf3+=) 16.Rb3 Nd4-+) 15...Qc3 16.Nf5 Nd5 (16...g6 17.Nh6 Kg7 18.Qc1-+) 17.Nd6 (17.Ng5 Nde7 18.Ne7 Ne7-+) 17...Qc5 18.Ne4 Qe7 (18...Qb4 19.Qc1-+) 19.Re1 (19.d4 Rfd8 20.Bb5 Nd4 21.Nd4 ed4-+) 19...a5 20.d4 Nc7 (better is 20...Nd4 21.Nd4 ed4 22.Bb5 Nc7-+) 21.d5 Rfd8 (21...Qb4!? 22.dc6 Qe4 23.Qd7-+) 22.d6-/+ Qf8 23.Qa1? (better is 23.Bd3 Ne8 24.Bb5-/+) 23...Rd6-+ 24.Nd6 Qd6 25.Bd3 Re8 (25...f6 26.Qa2 Kh8 27.Qf7-+) 26.Qa2? (26.Be4-/+) 26...h6 (26...g6!? 27.Qb2 a4 28.Bb5-+) 27.Bg6?? (27.Be4-+) 27…Qg6 0–1. Pallagi,Janos (1870) – Albert,Kornelia (2120), HUN–chT2 Maroczy, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.Ne5?? Ne5-+ 8.Qe2 Bd6?? 9.f4= Bg4 10.Qb5 Qb5 11.Bb5 Nc6? (better is 11...Kd8!? 12.fe5 ba3 13.Na3 Bc7+=) 12.Bg7+- 0-0-0 13.Bh8 Re8 14.Kf2 Re4 (14...ba3 15.h3 Bd7 16.Na3+- (worse is 16.Ra3 Nge7 17.Bb2 Bc5 18.Kg3 Nf5 19.Kh2 Ba3 20.Na3 Re4+/-)) 15.Bc6 bc6 16.Re1 (better is 16.Be5!? Re5 17.fe5 Be5 18.c3+-) 16...Rf4+/- 17.Kg1 Bc5 18.Kh1 ba3 19.Nc3 (19.Na3 Ne7+/-) 19...Be6 20.Ne4 Be7 21.Be5 Rg4 22.h3 Rg6 23.d3 f5 24.Nd2 Nh6 25.Nc4 Bd5 26.Ne3 Be6 27.Bf4 Nf7 28.c3 Bf6? 29.d4 Be7 30.Nf5!+- Bf8 31.Ne3 a5 32.c4 Bb4 33.Rf1 Ng5 34.d5 Bd7 35.Nc2 c5 36.Na3 Ne4 37.Kh2 Nd2 38.Rf2 Nb3 39.Raa2 h5 40.Nc2 a4 41.Na3 Nd4 42.Be5 Nf5 43.Nb5 Ra6 44.g4 hg4 45.hg4 Rh6 46.Kg1 Rg6 47.Rf4 a3 48.Kf2 Bb5 49.gf5 Bc4 50.Rc4 (50.Rc4 Rg5 51.Rf4+-) 1–0. Van Dijk,Bram (2275) – Russell,Richard, New York op, 1993. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.Ne5?? Ne5-+ 8.Qe2 f6 9.d4 Bd6 (better is 9...Bg4 10.f3 ba3 11.Na3 Bf3 12.gf3 Qf3-/+) 10.de5= fe5 11.ab4 Nf6 12.c3 0-0 13.Nd2 Qf7 14.g3 (14.f3 Qe7=) 14...Bg4 15.f3 Bf5 16.Qf2 e4 17.fe4 (17.Bc4 Be6 18.Be6 Qe6+=) 17...Ne4+= 18.Ne4 Qe6 19.0-0-0? (19.Qe3 Be4 20.Bg2-+) 19...Be4-/+ (19...Qe4?! 20.Bd3 Qg4 21.Bf5 Rf5 22.Qd4 Qg5 23.Qd2=) 20.Qd4? (20.Qe3 Rae8 21.Bd3 Qg6+= (21...Bh1?! 22.Qe6 Re6 23.Bc4=)) 20...Qh6 (20...Be7 21.Bc4 Bg5 22.Rd2 Bd2 23.Kd2 Bh1 24.Be6 Kh8 25.Kc2+-) 21.Rd2 (better is 21.Qd2 Qd2 22.Rd2 Bh1 23.Bc4 Kh8 24.Rd6-+) 21...Bh1 22.Bc4 Kh8 23.Qd6 Qd6 24.Rd6 Rad8 25.Rd8 Rd8 26.Bb3 Bd5 27.Bc2 Bc4 28.Be4 b6 0–1. Van Dijk,Bram (2275) – Winslow,Elliott C (2280), New York op, 1993. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    7.ab4 Bb4

    8.Na3 Ba3 9.Ra3 Nge7 10.Qa1 f6 (10...Nb4 11.Kd1 Bf5=+) 11.Ra4 (better 11.Be2=+) 11...b5-+ 12.Qa2?? (better 12.Ra3 b4 13.Rd3-+) 12...ba4 13.Bc4 (13.Qd5 Nd5 14.Bb5 Bd7 15.Ba4 Rb8-+) 13...Qe4 14.Kd1 Bg4 15.Re1 (15.Kc1 Rb8-+) 15...Bf3 16.gf3 Qf3 17.Kc1 0-0-0 18.Qa4 (18.Bc3 Qf2 19.Re3 Kc7 20.Qa4 Nd5-+) 18...Qf2 19.Rd1 Qb6 (19...Kc7 20.Bd3-+) 20.Bc3 (20.Kb1 Nd5 21.Bb3 Nf4-+) 20...Kc7 21.d3 Rb8 22.h4 (22.Be6 Kd6 23.Ba2 Qc5-+) 22...Rhd8 23.h5 (23.Re1 Nf5 24.Bb3 Qc5-+) 23...Nd5 24.Bd2 (24.Bd5 Rd5 25.Re1-+) 24…Qb1 (24...Qb2) 0–1. Bolk,Matthias (2060) – Schnoor,E (2140), Werner–Ott–Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.ab4 Bb4)

    8.Na3 Nf6 9.Bb5 0-0 10.Bc6 bc6 11.Qe2 Bg4 12.c4 (12.Nc4 e4 13.Ne3 Qd6 (13...Bf3?! 14.Nd5 Be2 15.Nf6 gf6 16.Ke2=+) 14.Ng4 Ng4-/+) 12...Qd8 13.Qe3 Re8 (13...Bf3 14.gf3 Rb8 15.Ra2-+) 14.Nc2 (14.Ne5 Nd7 15.0-0 Ne5 16.Be5 f6-+) 14...Ba5 15.Ra3 (15.0-0-+) 15...Bb6 16.Qg5?? (16.c5 Nd5 17.Qe4 Bf3 18.Rf3 Bc5 19.0-0-+) 16…Bf2! (16...Bf2 17.Ke2 h6 18.Qe5 Bc5-+) 0–1. McNabb,Matthew – Beach,Paul, New Zealand Major Open Auckland NZL, 2000.

    8.Na3 Nf6 9.Nb5 0-0 10.Be2 Ne8 11.0-0 Bg4 12.c4 Qe6 13.Qb3 Be7 (13...Bd2 14.Ba3 Bf4 15.Bf8 Kf8 16.g3=) 14.Rfe1 a6 15.d4 Qc8 (worse is 15...ab5 16.Ra8 ed4 17.Bd3 (17.Qb5? Bf3 18.gf3 Bb4-+) 17...bc4 18.Bc4+/-) 16.d5 ab5 17.Ra8 Qa8 18.dc6 bc6 19.Ne5 Be2 20.Re2 Qb7 21.h3 Nf6 22.Nc6 Qc6 23.Re7 bc4 24.Qc3 Rd8 25.Re1 h6 26.Qg3 Qd6 27.Be5 Qc6 28.Bc3 (better is 28.Bb2!?=) 28...Rd3-/+ 29.Qe5 Qd6 30.Rc1 Rd1 31.Rd1 Qd1 32.Kh2 Qc2 33.Qg3 Qd3?? (33...Qf5 34.Kg1-/+) 34.Qe5?? (better is 34.Bf6 Qg3 35.Kg3 gf6 36.Kf4+/-) 34...Qe4 35.Qg3 Kh7 36.Qc7 Nd5-+ 37.Qe5 Qe5 38.Be5 c3 0–1. Romagnoli,Franco (2115) – Vincenzi,Marco (2050), Lodi op 1st, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.Na3 Nf6 9.Nb5 Qd8 10.Ne5 0-0 11.Nf3 Bg4 12.Be2 Bf3 13.gf3 Re8 14.Na3 Nd5 15.Nc4 b5 16.Ne3 (better is 16.Rg1!? bc4 17.Bg7-+) 16...Re3-+ 17.c3? (17.Rg1 g6 18.fe3 Ne3 19.Qc1 Qh4 20.Rg3 Qh2 21.Rg6 hg6 22.Bc4 Qg3 23.Ke2 Qg2 24.Kd3 bc4 25.Ke3 Re8 26.Kf4 Bd6 27.Be5 Re5 28.Ra7 Qg5) 17...Re6 18.cb4 Nf4 (18...Ndb4?! 19.Kf1 Nd4 20.Bd4 Qd4 21.Ra3-+) 19.Rg1 Nd4 20.Rg4 (20.Kf1 Qh4 (20...Nde2?! 21.Rg7 Kf8 22.Qc2-+) 21.Rg7 Kg7 22.Bd4 f6-+) 20...Nfe2 (20...Nf3 21.Kf1 Nd2 22.Ke1 Nd3 23.Kd2 Nb2 24.Ke1 Nd1 25.Rd1-+) 21.Ra3 0–1. Fernandez,Daniel Howard (2170) – Ranola,Yves (2390), Singapore 9th, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.Na3 Bg4 9.Nb5 Qd8 (9...Kd8 10.Be2-/+) 10.Bc4 (10.Be2 f6+=) 10...Nf6 (10...Bf3 11.gf3 a6 12.Nc3-+) 11.h3 (11.Be2!? Bf3 12.Bf3-/+) 11...Bf3-+ 12.gf3 a6 13.Na3 Rc8 14.c3 (14.Bd3 0-0-+) 14...Bc5 15.0-0 (15.Qe2 b5 16.Bd3 Nd5-+) 15...0-0 16.Re1 (16.f4 Ne4 17.Bc1 b5-+) 16...Nh5 17.Re4 Nf4 18.Bf1 (18.Rf4 ef4 19.d4 Qg5 20.Kh2 Bd6-+) 18...Qh4 (18...Qg5 19.Kh2 Bf2 20.Rf4 Qg1) 19.d4-+ Ba7 (19...Rfd8 20.Nc2-+) 20.Nc4 (20.Qb3 Nh3 21.Bh3 Qh3 22.Qb7 f5-+ (worse is 22...Qf3 23.Re3 Qf4 24.Qa6-+)) 20...f5 21.Re1 (21.Rf4 Qf4 22.Qb3-+) 21...Rf6 (better is 21...ed4 22.Qb3 d3 23.Nb6 Rf7-+) 22.Ne3?? (22.Qb3 Kh8 23.Ne5 Ne5 24.Qb7-+) 22...Nh3 23.Bh3 Qh3 24.de5 (24.Nf1 Rg6 25.Ng3 f4 26.Qb3 Kh8 27.Qb7 fg3 28.Qc8 Qc8 29.fg3 Qh3-+) 24...Rh6 (24...Rg6 25.Ng4 fg4 26.Qb3 Kh8 27.Qc2 gf3 28.Qg6 hg6 29.Ra6 Qg2) 25.Qd5 Kh8 26.f4 Rd8 (26...Rg6!? 27.Qg2-+) 27.Qg2 Rg6 28.e6 (28.Qg6 hg6 29.Rad1-+) 28...Rg2 29.Ng2 Rd2 30.Ne3 Rb2 (30...Qh4 31.Re2 Re2 32.Rf1 Be3 33.c4 Bf2 34.Kg2 Qg3 35.Kh1 Qh3) 31.Rad1 h5 (31...Qf3 32.Re2 Re2 33.Rd2 Qf2 34.Kh1 Qh2) 32.Rd8 Kh7 33.Rd3 0–1. Cue,R – Garcia Panizo,A, Candas op, 1992. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.Na3 Bg4 9.Be2 Rd8 10.Nb5 Qd7 -/+.

    8.Na3 Bg4 9.Be2 Nf6 10.Nb5 Rc8 (10...Kd8!?-/+) 11.Na7= Na7 12.Ra7 0-0 13.0-0 (13.Ne5 Qg2 14.Bf3 Bd2 15.Qd2 Bf3-+) 13...Rfe8 14.d3 (14.c4 Qc5 15.Rb7 e4+/-) 14...Bc3 15.Qa1 Bb2 16.Qb2 b5 17.Ra5 Rb8 ½–½. Romagnoli,F (1925) – Loebler,Heimo (2000), Caorle op, 1989. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.c3 Bc5 9.d4 ed4 10.cd4 Bb4 11.Nbd2 (11.Bc3 Bd6-/+) 11...Nf6 12.Qc2? (12.Be2 b6-/+) 12...b5 (better is 12...0-0 13.Bc4 Qe4 14.Qe4 Ne4-+) 13.Bd3-/+ 0-0 14.0-0 Bg4 15.Ne4 Bf3 16.Nf6 gf6 17.gf3 Bd6 (17...Qf3? doesn't work 18.Be4 Qf4 19.Bc6+- (19.Qc6 Rac8 20.Qd5 Bd6+-)) 18.Bh7 Kh8 19.f4?? (better is 19.Qf5 Rg8 20.Kh1+=) 19…Rg8!-+ Mate attack (19...Rg8 20.Bg6 Rg6 21.Qg6 fg6-+) 0–1. Serrano,Charlotte (1640) – Delorme,Laurie (2020), FRA–ch U18 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.ab4 Bb4)

    8.Nc3 Qd6 9.Nb5 (9.Ne4 Qg6 A) 10.Ng3 e4 (10...Nf6 11.Bb5 0-0 12.Bc6 bc6 13.Ne5 Qh6 14.0-0 Bd2) 11.Ne5 Ne5 12.Be5 Nf6 13.Ra4 a5 14.Qa1 Nd5; B) 10.Qe2 Nf6 11.Nf6 (11.c3 Be7 12.Nf6 Bf6 13.d4 0-0 14.Ne5 Ne5) 11...gf6-/+ 12.c3 Be7 13.g3 0-0 14.Bg2 Qc2; 9.Qe2 A) 9...Nf6 10.Nb5 Qd8 11.c3 Bd6 12.Nd6 Qd6 13.Ba3 Qd5 14.c4 Qe6; B) 9...Nge7 10.Ne4 (10.Nb5 Qd8 11.Ne5 0-0 12.c3 Ne5 13.cb4 N7g6 14.d4 Ng4; 10.Ne5 Qe5 11.Qe5 Ne5 12.Nb5 0-0 13.Be5 Nc6 14.Bf4 Bg4) 10...Qc7 (10...Qd5 11.c4 Qe6 12.g3 0-0 13.Bg2 f6 14.0-0 Nf5) 11.c3 Ba5 12.Ba3 0-0 13.Bd6 Qd8 14.Ne5 Re8; C) 9...Bg4 C1) 10.Ne4 Qh6 11.c3 Be7 12.Qb5 Bf3 13.gf3 0-0-0 14.d3 Nf6; C2) 10.h3 Bf3 (10...Bc3 11.Bc3 Bf3 12.Qf3 Nf6 13.Bc4 Qc5 14.Bd3 Qd5) 11.Qf3 Nd4 12.Bb5 Nb5 13.Nb5 Bd2 14.Kf1 Qb6; C3) 10.Nb5 Qd7 11.Be5 Ne5 12.Qe5 Kf8 13.Qd4 Qe7 14.Qe3 Bf3) 9...Qe7-/+ (9...Qb8 10.Ra4 a5 11.c3 Be7 12.Bd3 Nf6 13.0-0 0-0 14.Re1 Rd8) 10.Bc4 (10.Qe2 Bg4-/+ (10...Bf5 11.Be5 Ne5 12.Qe5 Kf8 13.Nc7 Rc8 14.Nd5 Qe5) 11.c3 Bd6 12.h3 Bf3 13.Qf3 Nf6 14.Bc4 Bc5) 10...Nf6 (10...Bg4 11.Qe2-/+ (11.0-0 Rd8 12.c3 Bc5 13.h3 Bf3 14.Qf3 Rd2) 11...Rd8 12.Na7 Bd2 13.Kf1 Nd4 14.Qe5 Qe5; 10...e4 11.Nfd4 Nf6 12.0-0 0-0 13.Nc6 bc6 14.Nd4 Qc5) 11.0-0 (11.Qe2 Bg4-/+ (11...0-0 12.0-0 Bg4 13.c3 a6 14.cb4 ab5) 12.c3 Bc5 13.d4 Bf3 14.gf3 ed4) 11...0-0 (11...Bg4 12.d3-/+ (12.c3 Bc5 13.d4 Rd8 14.Qa4 Bf3) 12...0-0 13.h3 Bf3 14.Qf3 a6; 11...e4 12.Ng5 0-0 13.Qe2 a6 14.Bf6 gf6) 12.Re1 (12.c3 Bc5 13.d4 Rd8= (13...ed4 14.cd4 Bb4) 14.Qb3 ed4) 12...e4 (12...Bg4 13.c3 (13.Qe2 Bf3 14.gf3 a6) 13...Bc5 (13...a6 14.cb4 Qb4) 14.d4-/+ a6; 12...Qc5 13.d3 Be6 14.c3 Bc4) 13.c3 (13.Bf6 Qf6 14.Re4 Bf5=) 13...Bd6 (13...Be6 14.Be6 fe6 15.Ng5-/+) 14.Nd6 (14.d4 Re8+=) 14...Qd6-/+ 15.Ba3 Qf4 16.Bf8 (16.Qa4 Re8-/+) 16...ef3 (better is 16...Kf8 17.Ra4 ef3-/+) 17.Qb3? (17.Be7 Ne7 18.Re7 Qc4 19.Qf3-/+) 17...Kf8-+ 18.Re3 (18.g3 Qd2 19.Rad1 Qg5 20.Qa3 Kg8+=) 18...Qd6 (18...fg2 19.Rae1 Bd7 20.h3-+) 19.Rae1 (19.Rf3 Ne5 20.Rf4 b6-+) 19...Bd7 (19...fg2 20.Bf7 Bd7 21.Be6-+) 20.Rf3 (20.Rd3 Qc5 21.Bf7 fg2-+) 20...Ne5 21.Rg3 Nc4 22.Qc4 Rc8 23.Qa2 a6 24.d4 Be6 25.Qd2 h6 26.Qb2 Bd5 27.h3 Rc4 28.Rge3 Qc6 29.f3 Be6 30.Qa3 Kg8 31.Rb1 Nd5 32.Re5 Rc3 33.Qa5 Kh7 34.Rbe1 Rc4 35.Qd8 Rd4 36.Qa5 Qc4 37.Qa1 Rd2 38.Qb1 Qc2 39.Qc2 Rc2 40.R5e2 Re2 41.Re2 b5 42.Ra2 Nc7 43.Rc2 Bc4 44.Kf2 a5 45.Ke3 a4 46.Kd2 a3 47.Kc1 Nd5 0–1. Dunne,P (1875) – Grandelius,N (2110), Open A Balatonlelle HUN, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.c4 Qd6 9.Nc3 Nf6 10.Be2 0-0 11.Nb5 Qe7 12.0-0 e4 13.Nfd4 Rd8 14.Ra4 a5 15.Qc2 Bd7 16.Nb3 Rac8 17.Bc3 b6 18.f4 (18.Bf6 Qf6 19.f3 Qe7 20.Qe4 Bf5 21.Qf5 Qe2-/+) 18...Bc3 19.dc3 (better is 19.Qc3 Nb4 20.Qe5-+) 19...Nb4! 20.Qb1 (20.cb4 Bb5) 20...Bb5 21.cb5 Rc3 22.Rd1 Nfd5 (22...Nfd5 23.Bf1 Rc7-+) 0–1. Xia,Jie – Pacher,Milan, Livigno ITA, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.Be2 Nf6 9.Nc3 Bc3 10.Bc3 0-0 11.0-0 b6 12.Rb1 Ne4 13.Bb2 Bb7 14.d3 Nc5 15.c4 Qd6 16.Qc2 Rfe8 17.Rfe1 Rad8 18.Ba3 Nd4 19.Nd4 Qd4 20.Bc5 Qc5 21.Bf1 Bc6 22.Re3 Rd4 23.Qa2 Rd7 24.Rbe1 Qd4 25.Qe2 Rde7 26.Qh5 a5 27.Rh3 h6 28.Rh4 Qd6 29.Rb1 e4 30.de4 Be4 31.Rd1 Qg6 32.Qg6 Bg6 33.Rhd4 Kf8 34.f3 Re1 35.R1d2 Rc1 36.Kf2 Rc2 37.Kg3 Rd2 38.Rd2 Ke7 39.Rb2 Rb8 (better is 39...a4!? 40.Rb6 Ra8-/+) 40.c5+= Kd7 41.Bb5 (better is 41.cb6!? Kc6 42.Rb5+=) 41...Kc7-/+ 42.c6 Bf5 43.Kf4 Be6 44.g4 Rd8 45.Ke4 Bd5 46.Kf4 Bc6 0–1. Heimrath,Wolfgang (2145) – Fischer,Thomas2 (2080), Oberliga Bayern, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    8.Nc3 Bc3

    9.Bc3 Nge7 10.Ra4 Ng6 11.Bc4 Qe4 12.Kf1 Be6 13.Bb5 Qd5 14.Qe2 Nf4?? (better is 14...0-0-/+) 15.Qe5+= Ng6 16.Qd5 Bd5 17.Bg7 Rg8 18.Bf6 Nge7 19.Nh4 a6 20.f3 Rc8 21.Bd3 Nb8? (21...Ng6 22.Kf2+-) 22.Kf2 (better is 22.Bh7 Rf8+-) 22...Nd7 23.Be7 Ke7 24.Re1 Kf8 25.Bf5 Rc7 26.Bh7 Rh8 27.Bd3 (better is 27.Bf5+-) 27...Ne5?? (27...Nc5 28.Rf4 Nd3 29.cd3+/-) 28.Rd4 (better is 28.Re5 Bc6 29.Rd4+-) 28...Nd3+/- 29.cd3 Rh5 30.Rf4 Rc6 31.Rf5 (better is 31.Nf5!?+/-) 31...Bf3 32.Rf3 ½–½. Sanchez Martin,Marc – Flores de Paco,David, Sant Boi op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.ab4 Bb4)

    9.Bc3 Nge7 10.Be2 0-0 11.0-0 (better 11.Rb1-/+) 11...Bf5 (11...b5-/+) 12.Ra4?? (12.Ne5 Ne5 13.Ra5 Qd7 14.Re5 Nd5=) 12...Rfd8?? (12...b5 13.Ra1-+) 13.Rh4 (13.Bc4 Qc5 14.Ng5=+) 13...Ng6-+ 14.Rh5 Qd7 (better 14...Bg4 15.Rg5 Be6-+) 15.Ng5? (better 15.Re1!?-/+) 15...h6 (15...Nf4 16.Rh4 h6 17.Rf4 ef4 18.Nf3-+) 16.Nf3? (better 16.Nh3-+) 16...Bg4 17.Ne5 (17.Ne1 Bh5 18.Bh5 Nf4-+) 17...Nce5 18.Re5 (18.Bg4 Ng4 19.h3 Nf6 20.Bf6 gf6-+) 18...Ne5 19.Be5 (19.f3 Bf5 20.g4 Bg6 21.Be5 Qd2 22.Qd2 Rd2-+) 19...Be2 20.Qe2 Qd2 21.Qg4 (21.Qf3 a5 22.Qb7 Qc2-+) 21...Qg5 22.Qe2 (22.Qe4 Qe7-+) 22...Re8 (22...Rd2 23.Qe4 Qe7 24.c3-+) 23.f4 Qg6 24.Qc4 (24.Qf2 a5-+) 24...Qc6 (24...Rac8 25.Qd5 Rc2 26.Qb7-+) 25.Qb3 (25.Qc6 bc6 26.Kf2 f6-+) 25...Rac8 (25...Rad8 26.Qc3 Qc3 27.Bc3-+) 26.Qg3 (26.c3 Rcd8 27.Qa2 b5-+) 26...f6 (26...Qb6 27.Qf2 Qf2 28.Kf2 Rc2 29.Kf3-+) 27.Bd4 Re2 28.Qb3 (28.c4 a5-+) 28...Kh8 29.Bf2 b6 (29...a5 30.c3-+) 30.f5 (30.Qa3 a5 31.c4 Qe4-+) 30...Rc2 31.Qg3 (31.Qd3 Re8-+) 31...Rc1 32.h3 (32.Qd3 Rf1 33.Qf1 Qe4-+) 32...Rf1 33.Kf1 Qe4 34.Kg1 Qf5 35.Kh2 (35.Bd4 Rc2-+) 35...Qe5 36.Qe5 (36.Kg1 Rc1 37.Kh2 a5 38.Qe5 fe5-+) 36...fe5 37.Bg3 Rc5 38.Be5 (38.Bf2 a5 39.Be1-+) 38...Re5 39.Kg3 Rc5 40.Kh4 a5 41.g4 (41.Kg4 a4 42.Kf4 a3 43.Ke4 a2 44.Ke3 a1Q 45.g3 Qe5 46.Kf2 Rc2 47.Kf3 Qe2 48.Kf4 Rc4 49.Kf5 Qe4) 41...a4 42.g5 (42.Kg3 a3 43.g5 a2 44.h4 a1Q 45.gh6 Qe5 46.Kg4 Qe3 47.hg7 Kg7 48.h5 Kh6 49.Kh4 Rc4) 42...a3 43.Kh5 (43.Kg4 a2 44.h4 a1Q 45.Kf3 Qe5 46.Kf2 Rc3 47.gh6 Qh2 48.Kf1 Rc1) 43...Rg5 44.Kh4 Rg6 (44...Rg1 45.Kh5 a2 46.Kh4 a1Q 47.Kh5 Qe5 48.Kh4 Qg5) 45.Kh5 Rg5 46.Kh4 Rg1 47.Kh5 Kh7 48.h4 (48.Kh4 a2 49.Kh5 a1Q 50.Kh4 Qd4 51.Kh5 Rg5) 48…g6 0-1. Alvarez Fernandez,E (2345) - Blanco Ronquillo,H (2440), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6 6.a3 e5)

    9.Bc3 Nge7 10.Be2 e4 11.Ne5 0-0 12.0-0 b6 13.Bc4 Qd6 14.Nc6 Qc6 15.Bb3 Be6 16.Be6 Qe6 17.h4 Nd5 18.Bb2 f5 19.Re1 Qg6 20.Ra3 f4 21.Rh3 h5 22.Qa1 Kh7 23.Qa4 Rfe8 24.c4 Nf6 25.Qb5 Rad8 26.Bc3 Nd7 27.Ra1 a5 28.Rd1 Qf7 29.d4 Rc8 30.c5 Qd5 31.Qb2 bc5 32.Ra1 Rb8 33.Qd2 cd4 34.Ra5 Rb1 35.Kh2 Qf7?? 36.Qd4? Nf6-+ 37.f3 e3?? 38.Ra7 Rb7 39.Rb7+= Qb7 40.g4?? e2 41.Be1 hg4 42.fg4 Ng4 43.Kg1 Qb1 44.Qd3 Qd3 45.Rd3 Kg6 46.Kg2 Kf5 47.Ra3 Re3 48.Ra5 Re5 49.Ra3 Ne3 50.Kf2 Nc2 51.Ra7 Ne1 52.Ke1 f3 53.Rf7 Ke4 54.Rg7 Ke3 55.Rf7 Rd5 56.Re7 Kf4 57.Rf7 Kg3 58.Rg7 Kh2 59.Re7 Rd1 60.Kf2 Rf1 0–1. Dunne,Paul (1850) – Reimann,Hubert (1950), Leipzig VfB op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.ab4 Bb4)

    9.Bc3 Nge7 10.Be2 e4 11.Ne5 0-0 12.Bc4 Qd6 13.Qh5 Ne5 14.Be5? (14.Qe5 Qe5 15.Be5 Nc6-/+) 14...Qg6 (14...Qc5 15.Be2 Ng6 16.Bc3 Qh5 17.Bh5-+) 15.Qe2 Nc6 16.Bc3 Be6 (16...Qg2 17.0-0-0 g6 18.Rdg1-/+) 17.0-0 Bc4 18.Qc4 Rfe8 19.Rae1 Kh8 20.Re3 Qe6 21.Qe2 f5 22.f4 Re7 23.Re1 Qd6 24.Rh3 h6 (worse is 24...Qf4 25.Qh5 h6 26.Rf1+=) 25.Qh5 Nd4 (25...Qf4?! 26.Rf1 Qd6 27.Rf5+=) 26.Ree3 Rf8 27.Reg3 Kh7 (27...Nc2 28.Rg6 Qc5 29.Kh1 Qc3 30.dc3+-) 28.Qd1 Qb6 29.Kh1? (29.Re3 Rd8 30.Kh1 Red7-+) 29...Rd7 (better is 29...Ne2! 30.Re3 Nf4 31.Rhg3-+) 30.Re3 Rfd8 31.g4 Nb5 32.g5?? (32.Qb1-+) 32...Nc3 33.Rc3 (33.Qf1 Rd2 34.Re1 Nd1-+) 33...Rd2 34.Qh5 Qb1 (34...Qb1 35.Qd1 Qd1) 0–1. Dunne,Paul (1875) – Low Ying Min (2000), Southend op–A, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    9.Bc3 Nge7 10.Be2 f6 11.0-0 0-0 12.Qb1 e4 13.Ra4 Be6 (13...ef3 14.Bc4+/-) 14.Nd4 Nd4 15.Rd4 Qc6 16.Bb5 Qc8 17.Bb4 Rf7 18.Re4 Nc6 19.Ba3 Bd5 20.Re3 a6 21.Bd3 Ne5 22.Bh7 Kh7 23.c4 Kg8 24.Rh3?? (better is 24.cd5 b5 25.d3+/-) 24...Nf3! 25.Rf3 (25.gf3 Qh3 Deflection; 25.Rf3 Bf3 Combination) 25...Bf3 26.gf3 Qc4 27.Rc1 Qd5 28.Rc5 Qf3 29.Rc3 Qf4 30.Rh3 f5 31.Qb3 Re8 32.Re3 Re3 33.de3 Qg4 34.Kf1 Qh3 35.Kg1 f4! 36.Qd5 f3 37.Qd8 Kh7 38.Qg5 (38.Qg8 Kg8 39.e4 Qg2) 0–1. Dunne,Paul (1875) – Werner,Hubert (2035), Leipzig VfB op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3 e5 7.ab4 Bb4)

    9.Bc3 Nf6 10.Rb1 (better is 10.Ne5!? 0-0 11.Nc4+=) 10...0-0 11.Rb5 Qd6 12.Bc4 12.Be5!? Ne5 13.Ne5-+) 12...a6-+ 13.Rb1 b5 14.Ba2 Nd5 15.Ba1 Nf4 16.0-0 Bg4 (16...e4!? 17.Ne1-+) 17.Re1 Rae8 18.d3 Kh8 (18...Qg6 19.c4-+) 19.Re4 (better is 19.Re3!?-+) 19...f5 20.Re3 Nd4 (20...e4 21.de4 Qd1 22.Rd1 fe4-+ (22...Re4?! 23.Rd7 Nh5 24.Ng5 Re3 25.fe3+=)) 21.Kh1? (21.Bd4 ed4 22.Re8 Re8 23.Ng5-+) 21...Nf3 22.Rf3 Qc6 (22...Bf3?! 23.Qf3 Re7 24.Re1-+) 23.Rb4 Ng2! 24.Kg2 Rf6 (24...Bf3?! 25.Qf3 Qc2 26.Bd5-+; 24...Qf3?! 25.Qf3 Bf3 26.Kf3 e4 27.Kf4 ed3 28.cd3+=) 25.Re4 (25.Rbf4 Rg6 26.Rg4 fg4-+) 25...Rg6 (25...Bf3 26.Kf3 fe4 27.Ke2-+) 26.Bf7 (26.Rg4 fg4 27.Bf7 Qf3 28.Qf3 gf3 29.Kf1-+) 26...fe4 27.Qd2 (27.Kf1 Bf3 28.Be8 Qe8-+) 27...ef3 (better is 27...Bf3 28.Kf1 ed3 29.Qd3-+) 28.Kh1 Bh3 29.Be5 Re5 30.d4 Qc2! (30...Qc2 31.Bg6 Qd2 32.Bd3 Re1 33.Bf1 Rf1) 0–1. Ford,Stephen – Chachere,Lawrence, Illinois–ch, 1986. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4)

    9.Bc3 Nf6 10.h3 0-0 11.Be2 e4 12.Nh2 (12.Ne5 Bd7 13.Bc4 Qc5 14.Nd7 A) 14...Qc4?? 15.Nf6 (15.Nf8?! Rf8 16.Qe2 Qe2 17.Ke2 Nd5+/-) 15...Kh8 16.Qh5+-; B) 14...Nd7+=) 12...e3! 13.0-0 (13.de3 Qg2 Discovered attack (13...Qg2 Deflection); 13.fe3 Qg2 Discovered attack) 13...ef2-+ 14.Rf2 Ne4 15.Rf3 Nc3 (better is 15...Re8!?-+) 16.Rc3-/+ Nd4 17.Bc4 Qd6 18.Rd3? (better is 18.Nf3-/+) 18...Qc5-+ 19.Rc3 (19.Ra4 Bf5 20.Kh1 Bd3 21.Bd3-+) 19...Ne2 20.Kh1 Nc3 21.Qf1 (21.Bf7 Rf7 22.dc3-+) 21...Ne4 22.Nf3 Ng3 (22...Ng3 23.Kh2 Nf1 24.Bf1 Qc2-+) 0–1. Stonavsky,Filip (1755) – Hansch,T (2110), 26th Czech Rapid G1, 2015. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.ab4 Bb4 8.Nc3 Bc3)

    9.Bc3 Bg4 10.Be2 Nf6 11.0-0 (11.h3 Bf3 (11...Bf5 12.Rb1 Ne4 13.Rb7 0-0 14.Rb5 Nc3 15.Rd5 Nd1) 12.Bf3 e4 13.Be2 Qg5 14.0-0 Nd5 15.Bb2 Nf4) 11...0-0 (11...Ne4 12.Bb2 0-0 13.d3 Nc5 14.Ne5 Be2 15.Qe2 Rfe8) 12.h3 (12.Ne5 Be2 (12...Ne5 13.Ra5 b5 14.Be5 Qe5 15.Bg4 Ng4) 13.Qe2 Rfe8-/+ 14.f4 Ne4 15.Qf3 Qc5) 12...Bh5 (12...Bf3 13.Bf3 e4 14.Be2-/+ b5 15.Bf6 gf6) 13.Re1 (13.Ne5 Ne5?! (13...Be2 14.Qe2 Rfe8-/+ 15.f4 Ne4) 14.Bh5 Rfe8 15.f4 (15.Re1 Ne4) 15...Nc4= (15...Qc5 16.Kh2=)) 13...Rfe8 14.Ne5 (better is 14.Rb1!?-/+ Ne4 15.Ba1 f6) 14...Be2-+ (14...Ne5 15.Bh5 Ne4 16.Ra5+=; 14...Re5?! 15.Be5 Qe5 16.Bh5 Qh5 17.Qh5 Nh5 18.d4-/+) 15.Qe2 Ne5 16.Be5 Nd7 17.d4 f6 (17...Ne5?! 18.de5 a5 19.c4=) 18.c4 Qf7 (18...Qe6 19.f4-+) 19.f4 Nb6 (19...Ne5?! 20.fe5 fe5 21.de5=; 19...fe5?! 20.fe5 Nb6 21.c5-+) 20.d5 (20.c5 Nd5-+ (20...fe5?! 21.cb6 ed4 22.Qf2+=)) 20...Rac8 21.Rac1 (21.Ra7 Nc4 22.Rb1 Rc7-/+ (22...fe5?! 23.Rbb7 Qg6 24.Qg4=; 22...Ne5?! 23.Rbb7 Nd7 24.Qa6 Rc1 25.Kh2+=)) 21...Nd7 (21...fe5 22.fe5 Qf4 23.Rcd1-+) 22.Qb2 (22.Qg4 fe5 (worse is 22...Ne5 23.fe5 fe5 24.Re5+=) 23.fe5 Qe7-+) 22...fe5 (22...Ne5?! 23.fe5 fe5 24.Re5=) 23.fe5 Qf4 24.e6 Nc5 (24...Nb6 25.Rcd1 Qd6 26.Qb5 Nc4 27.Qb7 Qc5 28.Kh2-+) 25.Rf1 Qe3 26.Kh2 Nd3 27.Qb7?? (better is 27.Qc3 b5 28.Rce1 Qe1 29.Re1 Ne1 30.Qe1 bc4 31.e7+-) 27...Nc1 28.Qf7 Kh8 29.Rc1 (29.d6 Qe5 30.Kh1 Qd6 31.Rc1 Qe6 32.Qa7 Rc4 33.Rc4 Qc4 34.Qf2-+) 29...Qc1 30.d6 Qc4 (better is 30...Rb8 31.e7-+) 31.d7 Qc6 (better is 31...Qc7 32.Kh1 Re6 33.dc8R Qc8 34.Qf1-+) 32.de8Q Re8 33.Qa7 Qe6 (33...Qe6 34.Qd4 Kg8-+) 0–1. Dunne,Paul (1875) – Mihaly,Pal, Open A Balatonlelle HUN, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.ab4 Bb4 8.Nc3 Bc3)

    7.c4 bc3

    8.dc3 A) 8...Qc5 A1) 9.Nbd2 Nf6 (9...Bf5 10.Nb3 Qd6 11.Bc4 Nh6 12.0-0 0-0-0 13.Qe2 Bd3) 10.Qc2 Be6 11.Bd3 0-0-0 12.0-0 Kb8 13.Rad1 Be7; A2) 9.Be2 Bf5 (9...Nf6 10.0-0 Be7 11.Nbd2 0-0 12.Qc2 g6 13.Bd3 Rd8) 10.0-0 Nf6 11.Nbd2 0-0-0 12.Qa4 Be7 13.Rad1 Nd5; A3) 9.Bd3 Be6 (9...Nf6 10.0-0 e4 11.Re1 Bf5 12.Nd4 0-0-0 13.Be2 Bd6) 10.0-0 Qb6 11.Qe2 Nf6 12.Bc1 0-0-0 13.Nbd2 Qc5; B) 8...Be6 B1) 9.Ng5 Nf6 (9...Qd1 10.Kd1 Rd8 11.Nd2 Bf5 12.Bc4 Rd7 13.Ke2 Nf6) 10.Qd5 Bd5 11.c4 Be4 12.Ne4 Ne4 13.Nc3 Nc3; B2) 9.Qd5 Bd5 10.Nbd2 f6 11.0-0-0 0-0-0 12.c4 Be6 13.Be2 Nh6; C) 8...Qe4 C1) 9.Qe2 Nf6 (9...Qe2 10.Be2 e4 11.Ng5 f5 12.c4 Nf6 13.Nc3 h6) 10.Nbd2 Qe2 11.Be2 e4 12.Ng5 Bf5 13.g4 Bg6; C2) 9.Be2 Qg6 (9...Nf6 10.0-0 Qg6 11.c4 Bh3 12.Nh4 Qe4 13.gh3 Qh4) 10.0-0 Nf6 11.Re1 Bh3 12.g3 Ng4 13.Bd3 Qd6; D) 8...Qd1 9.Kd1 Nf6 (9...Bg4 10.h3 Bf3 11.gf3 Bc5 12.Nd2 Rd8 13.Rg1 g6) 10.Nbd2 Bg4 11.Ke1 Bc5 12.h3 Bh5 13.Nb3 Bd6.

    8.Bc3 A) 8...e4 A1) 9.Ng1 Bd7 (9...Nh6 10.Qa4 Be6 11.Ne2 Bd7 12.Nd4 Rc8 13.Nc6 Bc6) 10.Nh3 0-0-0 11.Nf4 Qd6 12.g3 Nd4 13.Bg2 Nf6; A2) 9.Qe2 Be6 (9...Nge7 10.Nh4 Be6 11.g3 f5 12.Ng2 Ng6 13.Ne3 Qd7) 10.Nh4 0-0-0 11.g3 Nd4 12.Bd4 Qd4 13.Nc3 Nf6; A3) 9.Nh4 Be6 (9...Qg5 10.g3 Nf6 11.Bg2 Bg4 12.Qa4 0-0-0 13.0-0 Bc5) 10.Qa4 0-0-0 11.Bb5 Nd4 12.Bd4 Qd4 13.Qd4 Rd4; B) 8...Be7 B1) 9.d4 ed4 10.Nd4 Nf6 11.Qf3 Qf3 12.gf3 Bd7 13.Nc6 Bc6; B2) 9.d3 Nf6 (9...Bf5 10.Nbd2 Nf6 11.Nc4 0-0 12.Be2 e4 13.de4 Qe4) 10.Nbd2 0-0 11.Be2 b5 12.Qb3 Rd8 13.0-0 Bf5; B3) 9.Qa4 Bf6 (9...Bd7 10.Qb5 Nf6 11.Qd5 Nd5 12.Ne5 Nc3 13.Nc6 Bc6) 10.Bc4 Qe4 11.Kf1 Qf4 12.Bb5 Qa4 13.Ba4 e4; C) 8...Nf6 C1) 9.d4 ed4 (9...Be6 10.de5 Qd1 11.Kd1 Ne4 12.Kc2 Nf2 13.Rg1 Bf5) 10.Bd4 Nd4 11.Qd4 Qd4 12.Nd4 Bc5 13.Nb3 Bd6; C2) 9.Bb4 Bb4 (9...Qe4 10.Be2 Nb4 11.ab4 Bb4 12.Nc3 Bc3 13.dc3 0-0) 10.ab4 0-0 11.Nc3 Qd6 12.Bc4 e4 13.Ng5 Ne5; C3) 9.Bb2 e4 (9...Bf5 10.Nc3 Qc5 11.Be2 Be7 12.Rc1 Qb6 13.Na4 Qa5) 10.Nc3 Qf5 11.Nh4 Qe5 12.Qb3 Bc5 13.Nb5 Qe7.

    8.Nc3 Qd6 9.Nb5 Qe7 (9...Qb8 10.Rc1 e4 11.Ng5 a6 12.Nd4 Nf6 13.Qb3 Nd4) 10.Qa4 Nh6 11.Be2 f6 12.0-0 a6 13.Nc3 Bd7.

    8.Nc3 Qd6 9.Bc4 Be6 10.Nb5 Qd7 11.Be6 fe6 12.Rc1 e4 13.Ng5 a6.

    8.Nc3 Qd6 9.Bc4 Bg4 10.0-0 0-0-0 11.Rc1 Nf6 12.Nb5 Qe7 13.Be2 Kb8.

    8.Nc3 Qd6 9.Bc4 Nh6 10.Nb5 Qe7 11.0-0 a6 12.Qa4 Qd7 13.Bd5 Rb8.

    8.Nc3 Qd6 9.d4 ed4 10.Nb5 Qd8 11.Nbd4 Qa5 12.Qd2 Nf6 13.Qa5 Na5.

    8.Nc3 Qd6 9.d4 ed4 10.Nb5 Qd8 11.Nbd4 Nf6 12.Nc6 bc6 13.Qd8 Kd8 14.Ng5.

    8.Nc3 Qd6 9.d4 Nd4 10.Nb5 Nb5 11.Bb5 Bd7 12.Qb3 Bb5 13.Qb5 Qd7.

    8.Nc3 Qd6 9.Be2 a6 (9...Nf6 10.Nb5 Qb8 11.Rc1 Bd6 12.0-0 0-0 13.Qb3 Be6) 10.0-0 Nf6 11.Qc2 g6 12.Rfe1 Bg7 13.a4 Bf5.

    8.Nc3 Qd7 9.Bb5+= Bd6 10.0-0 Nge7 11.d4 (11.Ne4 0-0+=) 11...ed4= 12.Ne4 0-0 13.Nd4 Be5 14.Nc6 Nc6 15.Qc2 (15.Be5!? Qd1 16.Rad1 Ne5 17.Nd6=) 15...Bb2=+ 16.Qb2 Qd4 17.Qe2 (17.Nc3 Bg4=+) 17...Qe5 (17...Bf5!? 18.Ng3 Bg4-/+) 18.f4 Qe7 (18...Qd4 19.Kh1-/+) 19.Rae1 (19.Rad1 Qa3 20.Bc4 Be6 21.Be6 fe6=+) 19...Bf5-/+ 20.Bc6 bc6 21.Qc4 Be4 22.Re4 Qa3 23.Qc6 a5 24.f5 (24.Rf3 Qb2 25.Rfe3 h6-/+) 24...a4 (24...Rfc8 25.Qa4 Qc5 26.Qd4-/+) 25.f6 (25.Rf3 Qa2 26.Rf2 Qb3=) 25...g6 (25...Rfc8 26.Qd5-/+) 26.Qc7 (26.Rf3!? Qa2 27.Rf2 Qb1 28.Rf1=+) 26...Rfc8-/+ 27.Qf4 (27.Qe7 Qb2 28.Rb4 Qc3-+) 27...Qc5-+ 28.Kh1 (28.Qe3 Qe3 29.Re3 h6-+) 28...a3 29.Qh6? (better 29.Re5 Qf8 30.Re2-+) 29...Qf8 30.Qd2 Rd8 (30...a2!? 31.Ra1 Qd8 32.Qd8 Rd8 33.Ree1-+) 31.Qa2 Qd6 (31...Re8 32.Rd4-+) 32.h3 (32.Re7 Rf8-+) 32...h5 (32...Re8!? 33.Ref4-+) 33.Re7 Rf8 34.Rb7 (34.Rf3 h4 35.Rf1 Ra5-+) 34...Qc6 (better 34...Qa6!? 35.Rfb1 Qf6-+) 35.Rb3-/+ Qd6 36.Ra1?? (36.Rb7 Qe6 37.Rb3-+) 36...Qf6?? (better 36...Rfb8-+) 37.Ra3 Ra3 38.Qa3 Kg7 (38...Rc8 39.Kg1-/+) 39.Rg1 (39.Qa6 Qc3-/+) 39...h4 (39...Rb8 40.Qd3-/+) 40.Qe3 (40.Qc1 g5-/+) 40...Rd8 (40...Rc8 41.Qd2-/+) 41.Re1 (41.Rb1 Ra8-/+) 41...Rd5 (41...Ra8 42.Qd3-/+) 42.Qe4 (42.Rb1 Qf5 43.Qc3 Kh7-/+) 42...Rf5 43.Qe3 Rf2 44.Rg1 Rb2 45.Qe4 Qg5 (better 45...Qf2!?-/+) 46.Qd4= Qf6 47.Qe4 Rb5 48.Qe3 Rf5 49.Qe4 (49.Re1 Rf1 50.Rf1 Qf1 51.Kh2-/+) 49...Rf4-/+ 50.Qe3 g5 (50...Rf2 51.Re1 Ra2 52.Rg1-/+) 51.Re1 (51.Kh2 Qd6 52.Kh1 Kg6-/+) 51...Rf1 52.Rf1?? (better 52.Kh2 Re1 53.Qe1 Qd6 54.Kh1-/+) 52...Qf1-+ 53.Kh2 (53.Qg1 Qg1 54.Kg1-+) 53...Qf4 54.Qf4 gf4 55.Kg1 Kf6 56.Kf2 Ke5 (56...Kf5 57.Kf3-+) 57.Ke2 (57.Kf3 f5 58.Kf2 Ke4-+) 57...Ke4 58.Kf2 f6 (58...f3!? 59.gf3 Kf4 60.Ke2-+) 59.Ke2 f3! 60.gf3 Kf4 61.Kf2 f5 62.Ke2 Kg3 63.Ke3 Kh3 64.Kf2 f4 65.Kf1 (65.Kg1 Kg3 66.Kh1 Kf3 67.Kh2 Kg4 68.Kg2 h3 69.Kh2 Kh4 70.Kh1 f3 71.Kg1 Kg4 72.Kf2 h2 73.Ke3 Kg3 74.Kd4 f2 75.Kc3 f1Q 76.Kd4 h1Q 77.Kc5 Qf2 78.Kd6 Qf6 79.Kc5 Qhc6 80.Kb4 Qfc3) 65...Kg3 66.Ke2 (66.Kg1 h3 67.Kh1 Kf3 68.Kh2 Kg4 69.Kh1 f3 70.Kg1 Kf4 71.Kf1 Kg3 72.Ke1 f2 73.Ke2 h2 74.Kd3 f1Q 75.Kd4 h1Q 76.Kc5 Qc1 77.Kd6 Qe4 78.Kd7 Qc5 79.Kd8 Qee7) 66…Kg2 (66...Kg2 67.Kd3 Kf3 68.Kd4 h3 69.Kd5 Kg3 70.Kc6 f3 71.Kb6 f2 72.Kb5 f1Q 73.Kc5 h2 74.Kd5 h1Q 75.Kc5 Qf5 76.Kb6 Qf6 77.Kc5 Qhc6 78.Kb4 Qfc3; 66...h3 67.Kf1 h2 68.Ke2 Kg2 69.Ke1 Kf3 70.Kd2 Kg3 71.Kd3 f3 72.Kc3 f2 73.Kb2 f1Q 74.Kc3 Qc1 75.Kb4 h1Q 76.Kb5 Qb7 77.Ka4 Qa1) 0-1. Kanakaris,G (2400) - Zakhartsov,Vl (2495), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4)

    8.Nc3 Qa5

    9.Qb3 Qb6 10.Qb6 ab6 11.Nd5 Ra5 12.Nb6 Be6 13.Bc3 Ra3.

    9.Qb3 Bc5 10.Bc4 Nh6 11.Ne4 0-0 12.0-0 Bf5 13.Nc5 Qc5.

    9.Qb3 Nh6 10.Bc4 Bc5 11.Ne4 0-0 12.0-0 Bf5 13.Rae1 Be7.

    9.Qb3 Nh6 10.Bc4 Bc5 11.Ne4 0-0 12.0-0 Bf5 13.Nc5 Qc5.

    9.Bb5 a6 10.Bc6 bc6 11.0-0 Ne7 12.d4 Rb8 13.Qe2 Bg4.

    9.Bb5 Bd7 10.0-0 0-0-0 11.Re1 f6 12.Qb3 Nge7 13.Rac1 Kb8.

    9.Bb5 Bd7 10.0-0 a6 11.Bc6+/- Bc6 12.Ne5! Ne7 (12...Qe5 13.Re1 Pinning (13.Re1 Decoy)) 13.Re1 0-0-0?? (better 13...f6 14.Nc6 bc6+/-) 14.Nf7+- Ng6 15.Nd8 Qd8 16.d4 (16.Rc1 Qa5+-) 16...Bd6 (16...Qg5 17.Ne4 Qd5 18.Qg4 Kd8 19.Nc3+-) 17.d5 Bd7 18.Ne4 Bf4 19.g3 Be5 (19...Bc7 20.Qb3 Bf5 21.Nc5+-) 20.Be5 Ne5 21.Nd6 (21.Qb3!? Nf7+-) 21...Kc7 22.Re5 (22.Nb7!? Qf6 23.d6 Kb8+-) 22...Kd6 23.Qd4 Qf6 24.Rae1 Rf8 (24...Kc7+-) 25.Re6! Be6 26.Re6 (26.Re6 Qe6 27.de6 Ke6 28.Qb6 Kf7 29.Qb7 Kg8 30.Qa6+-) 1-0. Kanakaris,G (2400) - Daianu,C (2230), Titled Arena Apr 3rd, 2021. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6 6.Bb2 e5 7.c4)

    9.Bb5 Bd7 10.0-0 Be7 (10...Nge7!?=) 11.Re1+= Nf6 (11...f6 12.d4 0-0-0 13.Rc1+=) 12.Ne5 Ne5 13.Re5 a6?? (better 13...Kd8 14.Qb3 Bd6+=) 14.Bd7+- Nd7 1–0. marekt (2535) – bobby fissure (2180), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 bc3 8.Nc3 Qa5)

    9.Bb5 Bg4 10.0-0 0-0-0 11.Bc6 bc6 12.h3 Bh5 13.Re1 f5.

    9.Bb5 Bg4 10.h3 Bd7 11.0-0 Nf6 12.Qe2 Bd6 13.Ne5 Ne5.

    9.Bc4 Bf5 10.0-0 0-0-0 11.Qb3 Nf6 12.Nb5 Ne4 13.Bf7 Nc5.

    9.Bc4 Bf5 10.0-0 0-0-0 11.Qb3 Nh6 12.Nb5 Bc5 13.Ne5 Qb6.

    9.Bc4 Bg4 10.h3 Bf3 11.Qf3 Nf6 12.0-0 Be7 13.Nd5 Nd5.

    9.Bc4 Bg4 10.h3 Bf3 11.Qf3 Nf6 12.Bb5 Rc8 13.Qf5 Qc7.

    8.Nc3 Qc5

    9.Bb5 Bg4 (9...Nf6 10.Qe2 Be7 11.Na4 Qd5 12.Qe5 0-0 13.Qd5 Nd5) 10.0-0 Nf6 11.Bc6 Qc6 12.Re1 0-0-0 13.Ne5 Bd1.

    9.Nb5 Qb6 10.Ne5 Nf6 11.Rc1 Be7 12.Bd3 a6 13.Nc6 bc6.

    9.Nb5 e4 10.Nc7 Kd8 11.Na8 ef3 12.Qf3 Nd4 13.Qf7 Nc2.

    9.Nb5 Qe7 10.Qa4 Nf6 11.Be2 Bg4 12.Rc1 a6 13.Ne5 Be2.

    9.Nb5 Qe7 10.Qa4= Nf6 11.Be2 Bg4 12.h3 Bh5 13.g4 e4.

    9.Nb5 Qe7 10.Rc1 Nf6 11.Qa4 Bg4 12.Be2 a6 13.Ne5 Be2.

    9.Rc1 Nf6 10.Bd3 Qa5 11.Qb3 Be7 12.Qb5 0-0 13.Ne5 Ne5.

    9.Rc1 Bg4 10.Qb3 Be6 11.Qa4 (11.Qb7? Rb8 12.Qb8 Nb8-+) 11...f6 12.d4 Qb6 (12...ed4 13.Ne2 Qb6 14.Ned4 Qb2 15.Rc6 Bd7 (worse is 15...bc6 16.Qc6 Bd7 17.Qa8 Ke7 18.Qa7 Qc1 19.Ke2+/-) 16.Re6 Kd8 17.Qa5 b6-/+) 13.Bb5= ed4 (better is 13...Rd8!? 14.de5 a6 15.Bc6 Qc6=) 14.Nd4+/- Kf7 15.Ne6 (worse is 15.Bc6 Qb2 16.0-0 Qa3=; 15.Nc6 bc6 16.Qe4 Bd5-/+) 15...Re8 16.0-0 Re6 17.Bc4 (17.Nd5 Qd8 18.Nf4+/-) 17...Qb2= Attacking the isolated pawn on a3 18.Rfe1 Ne5 19.Be6 Ke6 20.Qc4 Kd7 (better is 20...Kf5 21.Qc8 Kg6 22.Qf8 Kh6+-) 21.Qd5 Ke8 (21...Kc7 22.Nb5 Kb6+-) 22.Nb5 Qc1 23.Rc1 Bc5 24.Nc7 (24.Rc5 Ne7 25.Nc7 Kf8 26.Qd8 Kf7 27.Qh8 Ng8+-) 24...Ke7 25.Qe6 Kd8 26.Rc5 Ne7 27.Qd6 Nd7 28.Nd5 Nc6 29.Qc7 Ke8 30.Qc8 Nd8 31.Rc7 Kf7 (31...b6 32.Qd7 Kf8 33.Qd8) 32.Qd7 (32.Qd7 Kg6 33.Qg4 Kh6 34.Nf4 Re8 35.Qg7) 1–0. Trommsdorf,Uwe – Comp Fidelity Prestige, Porz op 8th, 1982. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6)

    9.Rc1 Nh6 10.Be2 Qb6 11.Na4 Qa5 12.Rc6 bc6 13.Ne5 Qc7.

    9.Ne4 Qd5 10.Nc3 Qc5 11.Nb5 Qe7 12.Qa4 Nh6 13.Be2 f6.

    9.Ne4 Qd5 10.Nc3 Qc5 11.Nb5 Qe7 12.Be2 Nf6 13.Qa4 Bg4.

    9.Ne4 Qe7 10.Bb5 Nf6 11.Qe2 Ne4 12.Qe4 Bd7 13.0-0 f6.

    9.Ne4 Qe7 10.Bb5 Nf6 11.Qe2 Bf5 12.d3 Bg4 13.Bc6 bc6.

    8.Nc3 Qd8

    9.Qb3 Bd6 (9...Nh6 10.Ne4 f5 11.Ng3 Bd6 12.Rc1 Nf7 13.Bb5 0-0) 10.Ne4 Nf6 11.Nfg5 0-0 12.Bc4 Ne4 13.Bf7 Kh8.

    9.Bb5 Bd6 10.Ne4 Bc7 11.Ne5+/- (11.Be5 Nf6 12.Bc6 bc6 13.Bf6 gf6) 11...Qd5 12.Qe2 Be5 13.Bc6 Qc6 (13...bc6 14.Be5 Kf8 (14...Qe5?? 15.Nd6 Kf8 16.Qe5+-) 15.Bd6 Ne7+/-) 14.Be5+- f6 15.Bc3 (15.Bg3 Nh6 16.Nd6 Kf8+-) 15...Ne7 (15...Kf7 16.Qd3 Ne7 17.Nd6 Kg8 18.0-0+/-) 16.0-0 (16.Bb4 Nd5 17.Qh5 Kd8+/-) 16...0-0 17.Rac1 (17.Bb4 Qe6+/-) 17...Qe6 (17...Bf5 18.Bf6 Qe4 19.Qe4 Be4 20.Be7+=) 18.Bb4 (18.Rfe1 Nc6+/-) 18...Re8 (18...f5 19.Nc3 Qe2 20.Ne2+=) 19.Qf3 (19.Qh5!? Bd7 20.Nd6+=) 19...Qf5 20.Nd6 Qf3 21.gf3 Rd8 22.Nc8 Nc8 23.Rc7 b6 24.Re1 a5 25.Bc3 Ra7 26.Rc6 Rad7 27.Rc1 Rd6 28.Rc7 R6d7 29.Rd7 Rd7 30.Ba5 ba5 31.Rc2?? (31.Rc8 Kf7=) 31...Kf7 (better is 31...Ne7!? 32.Rc5 Rd5 33.Rc7-+) 32.Rc5?? (32.Rc8!? Rd3 33.Rc3 Rd2 34.Rc5=) 32...Rd2?? 33.Ra5?? Ra2 34.Ra7 Kg6 35.Kg2 Ra1 36.a4 Ra2 37.a5 Ra3 38.Kg3 Ra4 39.f4 Ra3 40.Kg2 h6 41.f3 Ra2 42.Kg3 Ra3 43.a6?? Ra2 44.Ra8 Kf5 45.h4?? h5 46.Ra7?? Kg6 47.Kh3 Ra3 48.Kg2 Ra4 49.Kg3 Ra2 50.Ra8?? Kf5 51.a7?? Kg6 52.Kh3 ½–½. Hrabinska,M (2290) – Benmesbah,N (2175), V Breizh Masters Women, Guingamp FRA, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 bc3 8.Nc3 Qd8)

    9.Bb5 Bd6 10.Ne4 Nge7 11.Nd6 Qd6 12.Be5 Qg6 13.0-0 0-0 14.Bg3 Be6 15.Rc1 Rfd8 16.Re1 Bd5 17.Bc4 Rd7 18.Bd5 Nd5 19.Qb3 Rad8 20.h3 f6 21.Re6 Qf7 22.Rce1 g6 23.Kf1 Kg7 24.Qb2 h6 25.h4 Nc7 26.Bc7 Rc7 27.h5 g5 28.R1e4 Rd5 (28...Qh5?? 29.Qf6 Kh7 30.Re7 Ne7 31.Re7 Re7 32.Qe7 Kg8 33.Qd8 Kg7 34.Qd4 Kg8 35.Qa7+-) 29.g4 Rcd7 30.Kg2 Ne5 31.R4e5 Re5 32.Re5 fe5 33.Qe5 Qf6 34.Qe4 Re7 35.Qd3 Rf7 36.Qe4 b5 37.d4 a5 38.d5? (better is 38.Qe2-/+) 38...b4!-+ 39.ab4 ab4 40.Qd3?? Qf3! (40...Qf3 41.Qf3 Rf3 42.Kf3 b3-+) 0–1. Hrabinska,Myroslava (2250) – Koziak,Vitali (2460), UKR–chT Alushta, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    9.Bb5 Bd6 10.Ne4= f6 11.d4 Be7 12.Qa4 =.

    9.Bb5 Bd6 10.Ne4 Nf6 11.Nd6 Qd6 12.Be5 Qd5 13.Qe2 0-0 14.Bf6 Bg4 15.Bc6 bc6 16.Be7 Rfe8 17.0-0 Rad8 (17...Bf3 18.gf3 Rad8 19.Rfb1+/-) 18.Rab1 Bf3 19.gf3 h6? (better is 19...Rd7!? 20.Bh4 Re2 21.Rb8 Rd8 22.Rd8 Qd8 23.Bd8 Rd2+-) 20.Rb7+- Rd6 21.Qe4 (21.Ra7 Rg6 22.Kh1 Re7 23.Ra8 Kh7-+) 21...Rg6 22.Kh1 Qh5 23.Qf4 (23.Ra7?! Re6 24.Qg4 Qg4 25.fg4 R8e7 26.Re7 Re7+/-) 23...Re6 24.Bb4 Re1 25.Re1 Re1 26.Kg2 Qg6 27.Qg4 Qb1 28.Kh3 Re5 29.f4 (29.Ra7 Qf1 30.Kg3 Rg5+=) 29...Qf1 30.Qg2 Qd3 31.Qg3 Qf1 32.Qg2 Rh5?? (32...Qd3 33.f3 Rh5 34.Kg3 a6+-) 33.Kg3+- Qd3 34.f3 Qd8 35.Re7?? Qb8?? 36.Qe2+- Qb6 37.Kg2 c5 38.Bc3 Qg6 39.Kh1 Rf5 40.Qg2 Qg2 41.Kg2 1–0. Kravtsiv,M (2450) – Blomqvist,E (2130), EU–chB16 Herceg Novi MNE, 2006. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    9.Bb5 Nf6 10.Ne5 Bd7 11.Bc6 Bc6 12.Qb3 Qe7 13.0-0 Qe6.

    9.Bb5 Bg4 10.h3 Bf3 11.Qf3 Rc8 12.Ne4 Nf6 13.Be5 Be7.

    9.Bc4 Bd6 10.0-0 Nge7 11.Ng5+= Be6 12.Be6 fe6 13.Ne6 Qd7 14.Ng7 Kf7 15.Nh5 Raf8 16.Ne4 Ng6 17.f4! Ke7 18.Nhf6! Qd8 19.Nd5 (19.Nd6?! Qd6 20.Nh5 Rhg8+/-) 19...Ke8 20.Qb3 (20.Nd6?! Qd6 21.Qb3 Kd8+-) 20...Rf7 (20...b6+-) 21.fe5 (21.Nd6?! Qd6 22.fe5 Rf1 23.Rf1 Nge5+-) 21...Be5 22.Rf7 Kf7 23.Be5 (23.Qb7 Nge7 24.Rf1 Kg7 25.Ne7 Qb6 26.Qb6 ab6 27.Nf5 Kg6+-) 23...Nce5 (23...Nge5 24.Nf4 Ke8 25.Qe6 Ne7 26.Nd6 Qd6 27.Qd6 N5c6+-) 24.Nf4 Ke8 25.Qe6 Qe7 (25...Kf8 26.Ng6 Ng6 27.Rf1 Kg7 28.Rf7 Kh6 29.Qh3 Nh4 30.Rf6 Kg7+-) 26.Nd6 Kf8 27.Ng6 (27.Ng6 hg6 28.Rf1 Nf3 29.Rf3 Kg7 30.Qe7 Kh6 31.Rh3) 1–0. Nanu,Ciprian (2420) – Iordache,Traian (2195), Techirghiol op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 bc3 8.Nc3 Qd8)

    9.Bc4 Bd6 10.0-0 Nf6 11.Ng5 0-0 12.Qb3 Qe7 13.Nb5 Bc5.

    9.Bc4 Be7 10.Qb3 Nh6 11.Nd5 Bd6 12.0-0 0-0 13.Rae1 Re8.

    8.Nc3 Qe6

    9.Qa4 Bd7 10.Bc4 Qg6 11.0-0 0-0-0 12.Nh4 Qh5 13.Be2 Qh6.

    9.Qa4 Nf6 10.Bc4 Qe7 11.0-0 Bd7 12.Nb5 Rc8 13.Ng5 a6.

    9.Qa4 Qg4 10.Ne5 Qa4 11.Na4 Ne5 12.Be5 Nf6 13.Nc3 Bd7.

    9.Qa4 Qg4 10.Ne5 Qa4 11.Na4 Ne5 12.Be5 Nf6 13.Bd3 Bd7.

    9.Nb5 Bd6 10.Bc4 Qe7 11.0-0 Nf6 12.Nd6 Qd6 13.Re1 0-0.

    9.Nb5 Bd6 10.Bc4 Qe7 11.Nd6 Qd6 12.Qe2 Nge7 13.Ne5 0-0.

    9.Nb5 Qe7 10.Qa4 Nh6 11.Be2 f6 12.0-0 Be6 13.d4 e4.

    9.Nb5 Qe7 10.Be2 Nf6 11.Qa4 Bg4 12.Rc1 a6 13.Ne5 Be2.

    9.Bd3 Be7 10.0-0 Nf6 11.Qb1 0-0 12.Ng5 Qg4 13.Nh7 Nh7.

    9.Bd3 Be7 10.0-0 Nf6 11.Qc2 0-0 12.Rae1 Rd8 13.Nb5 Qd7.

    9.Bd3 Nf6 10.Nb5 Bd6 11.Bc4 Qe7 12.Nd6 Qd6 13.Qe2 0-0.

    9.Bd3 Nf6 10.Nb5 Qe7 11.0-0 Bg4 12.h3 Rd8 13.hg4 Rd3.

    7.c4 Qe4

    8.Be2 Bc5 9.0-0 Nf6 10.d4 Bd4 11.Nbd2 Qf4 12.g3 Qh6 13.Bd4 ed4 (13...Nd4?! 14.Nd4 ed4 15.ab4=) 14.ab4 0-0 (better is 14...Nb4!? 15.Nd4 0-0-/+) 15.b5= d3 16.Bd3 Rd8 (16...Rd8 17.bc6 Rd3+/-) 0–1. Balvanyos,Istvan (2125) – Szeberenyi,Adam (2340), HUN–chT2 Breyer, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe4)

    8.Be2 Qg6 9.Ne5 Ne5 (9...Qg2 10.Bf3 Qh3 11.Nc6 Qe6 12.Qe2 Qe2 13.Ke2 ba3 14.Na3+-) 10.Be5 Qg2 11.Bf3 Qg5 12.Qe2 Qe7 13.ab4 Bh3 14.Nc3 Nf6? (better is 14...Be6+-) 15.Nb5 Kd8 16.Na7 (16.Ra7?! Ra7 17.Na7 Qb4 18.Bf6 gf6 19.Qd3 Bd7+=) 16...Qb4 17.Nc6! bc6 18.Ra8 Kd7 (18...Bc8 19.0-0 Qc5 20.Qd3 Nd7+-) 19.Qd3 Bd6 (19...Ke6 20.Bf6 Kf6 21.Qd4 Kg6 22.Rg1 Kf5 23.Qe4 Kf6 24.Qh4 Ke5 25.Re8 Be7 26.Qg3 (26.Qh3?! Re8 27.Bc6 Qb1 28.Ke2 Qg1 29.Be8 Bc5 30.Qc3 Bd4+-) 26...Kf6 27.Qg7 (27.Qh3?! Re8 28.Qh4 g5 29.Qg5 Ke6 30.Qh6 Bf6 31.Bc6 Re7+-) 27...Ke6 28.Qh6 (28.Qh8?! Qb1 29.Ke2 Qg1+-) 28...Ke5 29.Qe3 Kf6 30.Qd4 Ke6 31.Bc6+- (31.Qh8?! Qb1 32.Ke2 Qg1+-)) 20.Rh8 (20.Rh8 Qa3 21.Qa3 Ba3 22.Bf6 gf6 23.Rh7+-) 1–0. Spencer,Edwin A (2130) – Campbell,Eoin (1790), East of Scotland, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6)

    8.Be2 Nf6

    9.0-0 ba3 10.Na3 Bc5 11.d4? ed4-/+ 12.Bd3 Qg4 (12...Qf4 13.g3 Qh6 14.Nc2-/+) 13.h3 (13.Re1 Be6 14.Nb5 0-0+=) 13...Qh5 (13...Qf4 14.Re1 Be6 15.Qb3-/+) 14.Re1 (14.Nb5!? 0-0 15.Nbd4+=) 14...Be6-/+ 15.Nb5 0-0-0 16.Ra4 (16.Bc1-/+) 16...a6 (better is 16...Rhe8-+) 17.Qa1= Kb8 18.Nbd4 Nd4 (18...Bd7!? 19.Ra2 Rhe8 20.Nc6 Bc6+=) 19.Bd4= (19.Nd4 Qh4 20.Ra6 Bd4 (20...ba6 21.Qa6 Rd6 22.Qb5 Rb6 23.Qc5+-) 21.Ra8 Kc7 22.Qa5 Kc6 23.Qb5 Kc7 24.Qa5 Kd7 25.Qb5 Kd6 26.Ba3 Kc7 27.Qa5 Kd7 28.Qb5 Kc7 29.Qa5 Kd7 30.Qa4 Kc7 31.Qa5=) 19...Bd4 20.Nd4 Qc5 21.Ne6 fe6 22.Bf1 (22.Ra3 Qd4 23.Qb1 Rd6=) 22...Rhe8 (22...Rd2!? 23.Re2 Re2 24.Be2 Rd8+=) 23.Rb1 (23.Ra5 Qd4 24.Qb1 Rf8=) 23...Ka7 (23...Ne4 24.Ra6 Qf2 25.Kh1 Ng3 26.Kh2 Nf1 27.Rf1 Qf1 28.Qf1 ba6 29.Qf7=) 24.Qb2 Re7 25.Rb4 Rdd7?? (25...Qc8!? 26.Be2 Ne4=) 26.g3?? (better is 26.Rb6 seems even better 26...Kb8 27.Ra6+-) 26...e5 27.Bg2?? e4= 28.Kh2 h5 29.Ra4 Re6 30.Rb4 Ree7 31.Ra4 Re6 32.Rb4 b6 33.Qa2 Ne8 34.Be4?? Re4?? 35.Rb6+- Qc4?? 36.Qb2 Rc7 37.Rb8 1–0. Sonnet,Jean Pierre (2155) – Meynard,Thibault (2190), FRA–chT2 France, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nc6 6.Nf3 e5 7.c4 Qe4)

    9.0-0 ba3 10.Na3 Bc5 11.Re1 0-0 12.Bf1 (12.Nb5!?-/+) 12...Qf4-+ 13.Be5 (13.g3!? Qf5 14.Nb5-/+) 13...Ne5 14.Re5 Bf2! 15.Kh1 (15.Kf2 Ng4 Double attack) 15...Bg4 16.Rb5? (16.Re2 Ne4 17.Qb3-+) 16...Bd4 17.Ra2 (17.d3 Ba1 18.Qa1 Bf3 19.gf3 Qf3 20.Bg2 Qd3 21.Rb7-+) 17...Ne4 18.d3 (18.Qe2 Nf2 19.Kg1 Nh3 20.Kh1-+) 18…Ng3! (18...Ng3 19.hg3 Qh6 20.Nh2 Bd1-+) 0–1. Zajarnyi,A (2405) – Zezulkin,Jurij (2465), Polanica Zdroj op, 1997. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe4)

    9.0-0 ba3 10.Na3 Bc5 11.Ne5 Ne5 12.d4 0-0 13.de5 Ng4 14.Bf3 Qf4 15.g3 Qf5 16.Qd5 Bb6 17.c5? (better is 17.Rad1=) 17...Rd8-+ 18.Qc4 Qf3 19.cb6 Ne5! 20.Qf4 Bh3 21.Qf3 Nf3 22.Kh1 Bf1 23.Rf1 ab6 24.Kg2 Rd3 25.Rc1 f6 (25...Rda3?! 26.Ba3 Nd4 27.Bd6-/+) 26.Nc4 Rc8 27.Nb6 Rc1 28.Bc1 Kf7 29.Be3 Ne5 30.h3 Ke6 31.Kf1 Kd6 32.Ke2 Rc3 33.f4 Nd7 34.Na4 Ra3 (34...Ra3 35.Nb2 Ra2-+) 0–1. Hrabinska,Myroslava (2220) – Rohonyan,Katerina (2330), UKR–ch U20 Girls, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe4)

    9.0-0 ba3 10.Na3 Bc5 11.Ne5 Ne5 12.d4 Bd4 (12...Bh3! 13.gh3 0-0-0+=) 13.Qd4= Qd4 14.Bd4 Nc6 15.Be3 (15.Bf6 gf6 16.Nb5 Ke7=) 15...0-0 16.Nb5 Bg4 17.f3 Bd7 18.Kf2 b6 19.Ra3 Be6 20.Rfa1 Rac8 (20...Na5 21.Nc7 Rac8 22.c5=) 21.Rc1 (21.h3 Rfd8+=) 21...Nd7 22.Na7 Na7 23.Ra7 Rc6 24.Rb1 Ne5 25.Rb6 Rb6 26.Bb6 Bc4 27.Bc4 Nc4 28.Bc7 Re8 29.Ra1 f6 30.Rc1 Ne5 31.Be5 ½–½. Zajarnyi,A (2395) – Salinnikov,D (2400), AB Puchko Mem, 2000. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe4)

    9.0-0 Bc5 10.ab4+= Bb4 11.Nc3 Bc3 12.Bc3 (worse is 12.dc3 Qg6 13.Nh4 Qh6+=) 12...0-0 13.d3 Qf5 14.Ne5 Ne5 15.Ra5 Nfg4 16.Bg4 (16.h3 Qf6 17.hg4 Nf3 18.Bf3 Qc3+=) 16...Qg4+= 17.Be5 (17.Re5 Qd1 18.Rd1 Bd7+=) 17...Qd1= 18.Rd1 Be6 19.Rda1 a6 20.f3 Rfd8 21.R5a3 (21.R1a3 f6 22.Bf4 Kf7=) 21...Rac8 (21...Bf5 22.Rd1=) 22.Rb1= Rd7 23.Rb6 Rcd8 24.c5 Bd5 (24...Rd3? 25.Rd3 Rd3 26.c6+-) 25.Bd6 Re8 26.Kf2 f6 ½–½. Balvanyos,Istvan Dr (2125) – Hocevar,Nikola (2020), First Saturday FM–A July, 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6)

    9.0-0 Bc5 10.ab4 Bb4 11.d4 ed4 12.Nd4 Nd4 13.Bd4 0-0 14.Ra7 Ra7 15.Ba7 Re8 16.Bd3 Qh4 17.Nd2 Bg4 18.Qc2 Bd6 19.g3 Qh5 20.Ne4 Bf3 21.Nf6 (21.Nd6?? Qh3 22.Bh7 Kf8 23.Ne8 Qg2) 21...gf6 22.Ra1 Re5 23.Bd4?? Qh2!! (23...Qh2 24.Kh2 Rh5 25.Kg1 Rh1) 0–1. Balvanyos,Istvan (2125) – Bokros,Istvan (2150), HUN–chT2 Breyer, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe4 8.Be2 Nf6)

    9.0-0 Bd6 10.Re1 0-0 (10...ba3 11.Na3 0-0 12.Nb5=+) 11.ab4= Nb4 12.Bf1 Qf4 (12...Qc2 13.Be5 Qd1 14.Rd1 Be5 15.Ne5=) 13.Be5 (13.g3 Qf5 14.Be5 Be5 15.Re5 Qg6=) 13...Be5 14.Re5 Bg4 15.Rb5 Nc6 16.Be2 Rfe8 17.Nc3 (17.Rb7 Nd4 18.Nc3 Ne2 19.Ne2 Qe4 20.Raa7 Ra7 21.Ra7 Bf3 22.gf3 Qe2 23.Qe2 Re2-/+) 17...Re7 (17...Nd4 18.Nd4 Qd4 19.Rc1=+) 18.c5 (18.Rab1!? b6 19.c5 bc5 20.Rc5=+) 18...Rae8 19.Rb2? (better 19.Rbb1-/+) 19...Nd4-+ 20.Nd4 (20.d3 Bf3 21.gf3 Qg5 (21...Ne2?! 22.Ne2 Qg5 23.Ng3-+) 22.Kh1 Qc5-+) 20...Qd4 21.Bf3 Ne4! 22.Ne4 (22.Ne4 Bf3 Double attack (22...Qb2 Pinning; 22...Qb2 Deflection; 22...Bf3 Decoy); 22.Be4 Re5 Double attack (22...Bd1 Pinning; 22...Bd1 Deflection; 22...Re5 Decoy)) 22...Bf3 (22...Qb2 23.Bg4 Re4 24.h3-+) 23.gf3 Qb2 24.d4 (24.Qb1 Qb1 25.Rb1 b6 26.cb6 Rb8-+) 24...f5 (better 24...b6!?-+) 25.Rb1-/+ Qa2 26.Nd6 (26.Ra1 Qd5 27.Nd6 Ra8-+) 26...Qb1! 27.Qb1 (27.Qb1 Re1 Double attack (27...Re1 Decoy)) 27...Re1 28.Qe1 Re1 29.Kg2 Rd1 (29...f4 30.Nb7 Rd1 31.Kh3-+) 30.Nf5 a5 31.d5 a4 32.d6 (32.Ne3 a3 33.Nd1-+) 32...a3 33.Ne3 a2 (33...a2 34.Nd1 a1Q-+) 0–1. Kryvoruchko,Vita (2300) – Massoni,Michael (2290), 80. Jubilee Viktor Kart, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe4 8.Be2 Nf6)

    9.0-0 Qf4 10.d4 e4 11.Ne5 Ne5 12.de5 Ng4 13.Bg4 Qg4 14.Qd5 Be7 15.ab4 0-0 16.Nc3 Bb4 17.Rfe1 Bf5 18.Qb7 a5 19.e6 fe6 20.Re3 Bd6 21.Nb5 Bf4 22.Ree1 e3 23.fe3 Bh6 24.e4 Rab8 25.Qc6 Rfc8 26.Nc7 Rb2 27.ef5 Qf5 28.Rf1 (28.Re6? Be3 29.Re3 Qf2 30.Kh1 Qe3 31.Qd5 Kh8-+) 28...Be3 29.Kh1 Rf2 30.Rf2 Bf2 31.Qd7 (31.Qe6? Qe6 32.Ne6 Rc6-+) 31...Rb8 32.Rd1 Qf7 33.Qd6 (33.Ne6 Qd7 34.Rc1 Qd2 35.Rf1 Qd3 36.Rc1 Rb1 37.h3 Rc1 38.Kh2 Bg3) 33...Bh4 34.Ne6 Re8 35.Nc7 Re2 36.Qd3 Qf2 37.Qd5 Qf7 38.Qa8 Qf8 39.Qa5 h6 40.Qd5 Kh8 41.Qa8 Qa8 42.Na8 Bf2 43.Rd8 ½–½. Robertshaw,Andrew M – Wochnik,Manfred (2360), ICCF–Cup11 V99 corr, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe4)

    7.c4 Qe6

    8.Bd3 Bd7 9.0-0 f6 10.Re1 0-0-0 (10...Nh6!?=+) 11.ab4= Bb4 12.Qb3 Qd6 13.Be4 Nge7 14.Ba3 Bf5?? (better 14...Bg4=) 15.c5!+- Qe6 (15...Bc5 16.Bc5 Combination; 15...Qc5 16.Bf5 Pinning) 16.Bf5 Qf5 17.Bb4 e4 18.Nh4 Qg4 19.f3 (19.Nc3 Rd4 20.Ba5 Na5 21.Ra5 Nc6+-) 19...Qh4 (better 19...ef3!? 20.Nf3 Nd5=) 20.Re4+- Qg5 21.f4 (21.Qc4!?+=) 21...Qd5=+ 22.Qd5 (22.Rc4!?=+) 22...Nd5-/+ 23.Bc3 Rhe8 24.Raa4 Kd7 (24...Re4!? 25.Re4 Nc3 26.Nc3 Rd2 27.Re8 Rd8 28.Rd8 Nd8-/+) 25.Kf2=+ Re4 26.Re4 Re8 (26...Rb8 27.Ba1=+) 27.Kf3 Re4 28.Ke4 Nce7 29.g3 Kc6 30.Bd4 b5 31.cb6 ab6 32.Bb2 ½–½. Krnic,I (2125) – Pekin,T (2070), 8th Split Open (7), 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    8.Bd3 e4 9.0-0 f5 (worse is 9...ed3 10.Re1 Nge7 11.Re6 Be6 12.ab4 Bc4 13.Na3+=) 10.Re1 Nge7 11.Bc2 Qd6 12.Ng5 h6 13.Ne4 fe4 14.Be4 Be6 15.Qh5 Bf7 16.Qg4 h5 17.Qh3 Rh6 18.ab4 Qb4 19.Bc3 Qd6 (better is 19...Qc4!? 20.Qg3 Re6-+) 20.Na3-/+ Qd8 21.d4 Rc8 22.Bf5 Ra8 23.d5 Nb8 24.Nb5 a6? (24...Na6 25.Be5 Nf5 26.Bc7 (worse is 26.Qf5 Be7 27.Bg7 Rg6+-) 26...Ne7 27.Bd8 Kd8 28.Qg3+-) 25.d6 (better is 25.Qg3 Bd5 26.cd5+-) 25...Rd6= 26.Nd6 Qd6 27.Rad1 Qc6 28.Qd3 Qc7 (28...Bc4 29.Bg6 Qg6 30.Qg6 Bf7 31.Qf5+-) 29.Be5 Qb6 30.Bb8 Bd5 31.Qd5 Rb8 (31...g6 32.Bd7 Kd8 33.Qf7 Rb8 34.Qf8 Kc7 35.Qf4 Kd8 36.Qb8 Nc8 37.Qc8) 32.Qe4 (32.Bh7 g5 33.Bg8 Qf2 34.Kf2 b5 35.Bf7) 32...Kf7+- 33.Be6 Kf6 34.Qf4 (34.Qf4 Kg6 35.Re5 Qe6 36.Re6 Kh7 37.Qb8 Ng6 38.Rg6 Bc5 39.Rg7 Kg7 40.Qe5 Kg8 41.Rd7 Bf8 42.Qe8 b5 43.Qf7 Kh8 44.Qf8) 1–0. Chulivska,Vita (2020) – Kovtonjuk,Natalia (2070), UKR–ch U20 Girls, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    8.Bd3 e4 9.0-0 f5 (worse is 9...ed3 10.Re1 Nf6 (10...Nge7 11.Re6 Be6 12.ab4 Bc4 13.Na3 Be6 14.b5 Nb4) 11.Re6 Be6 12.Nd4 (12.ab4 Bb4 13.Nd4 Nd4 14.Bd4 a5) 12...Nd4 (12...Bc4 13.Nc6 bc6 14.ab4 Be7) 13.Bd4+/- Rc8 14.Bf6 gf6; 9...Nf6 A) 10.Ng5 Qg4 (10...ba3 11.Ne6 ab2 12.Ra2 Be6 13.Be2 Bb4 14.Rb2 a5) 11.Ne4 Ne4 12.Be4 Qd1 13.Rd1 b3 14.d4 Bg4; B) 10.Re1 Be7 (10...Qf5 11.ab4 Bb4 12.Bf6 Qf6 13.Nc3 Bc3 14.dc3 0-0) 11.Ng5 Qg4 12.Qg4 Bg4 13.Bc2 Na5 14.Ne4 Ne4; 9...Be7 A) 10.Be4 Qe4 (10...Nf6 11.Bc6 bc6 12.Re1 Qc4 13.Ne5 Qe6 14.ab4 0-0) 11.Bg7 Bh3 12.Bh8 Qg4 13.g3 Bf1 14.Kf1 Qc4; B) 10.Bg7 Bf6 11.Bh8 Bh8 12.Re1 Ba1 13.Re4 Be5 14.Ne5 Nf6; C) 10.Re1 Nf6 11.Ng5 Qg4 12.Qg4 Bg4 13.Bc2 0-0 14.Ne4 a5) 10.Re1 (10.Bc2 Nge7 (10...Qd6 11.c5 Qc5 12.ab4 Qb4 13.Ba3 Qb6 14.Ng5 Nf6) 11.Re1 Qg6 12.Ne5 Ne5 13.Be5 Nc6 14.Ba4 Bd7; 10.ab4 Qd7 (10...Qd6 11.Ra3 ed3 12.Re1 Nge7 13.c5 Qd5 14.Ng5 Nb4) 11.Be4 fe4 12.Re1 Bb4 13.Re4 Kf8 14.Qb3 Nf6) 10...Nge7 (10...Qd6 11.Bc2 Nge7 12.Ng5 h6 13.c5 Qc5 14.ab4 Qb4) 11.Bc2 (11.ab4 Qd6 12.Be4 fe4 13.Re4 (13.Ng5 Qb4 14.Ba3 Qc4) 13...Qd3+= (13...Bf5 14.c5 Qd7) 14.Rf4 Bf5; 11.Ng5 Qg6 12.Ne4 fe4 13.Be4 Bf5 14.Bf5 Qf5) 11...Qh6 (11...Qg6 12.Ne5 (12.Nh4 Qh6 13.g3 Ng6 14.Nf3 Kf7) 12...Ne5 13.Be5-/+ Nc6 14.Ba4 Bd7) 12.d4 (12.ab4 ef3 (12...Nb4 13.Ba4 Nec6 14.d3 Bc5) 13.Qf3 Nb4 (13...Be6 14.b5 Nd8) 14.Bf5 A) 14...Kd8 15.Bc8 Nc8= (15...Kc8 16.Qg4 Kc7 17.Nc3+-); B) 14...Bf5=) 12...ef3-/+ 13.d5 (13.Qf3 Qf6 14.ab4 Kf7) 13...Na5 14.d6 (14.Qf3 Nc4) 14...Qg6 (14...fg2 15.Qd5 b3 16.Nc3+/-) 15.g3+= Nc4 (better is 15...Be6!? 16.de7 Be7 17.ab4 Nc4=) 16.Ba4+= Kf7 17.d7 Bd7 18.Qd7 Qd6 (18...Nb2 19.Bb3 Qe6 20.Qe6 Ke8 21.Rd1 Nd1 22.Ba4 b5 23.Bb5 Kd8 24.Qd7) 19.Qd6 Nd6 20.Bb3 Ke8 21.Nd2 (21.ab4 Kd8+=) 21...Kd7 (21...ba3 22.Ra3 Kd8 23.Nf3=) 22.Nf3 (22.ab4 Nc6+/-) 22...Nc6 (22...ba3!? 23.Ne5 Kc7 24.Rec1 Nc6 25.Ra3 Ne4+=) 23.ab4+/- Nb4 (23...Kc7!?+/-) 24.Ne5+- Kc7 25.Rec1 Nc6 (better is 25...Kd8!?+/-) 26.Bd5+- a5 (26...Kd8 27.Nc6 bc6 28.Bc6 Rc8 29.Ra7 Rc7+-) 27.Nc6 bc6 28.Bc6 Rb8 (28...Ra6 29.Bb5 Kb7 30.Ba6 Ka6 31.Be5+-) 29.Be5 Rb6 (29...Rb4 30.Bd5 Kb6 31.Rc6 Kb5 32.Bd6 Bd6 33.Rd6 a4+-) 30.Bd5 Kd7 31.Ra5 Nb5 32.Rb1 Bd6 33.Bd6 Kd6 34.Rbb5 Rb5 35.Rb5 Re8 36.Bc4 g6 37.Rd5 Kc7 38.Kg2 Re4 39.Bd3 Rb4 40.Bf5! gf5 41.Rf5 Kd6 42.Rf7 h5 43.Rf5 h4 44.Rf4 Rb2 45.Rh4 Ke5 46.Rf4 Rb7 47.h4 Rg7 48.Kh3 Rh7 49.Kg4 Rg7 50.Kh5 Rg8 51.Kh6 Rd8 52.h5 Rd6 53.Kg7 Rd8 54.h6 Ke6 55.h7 Rd7 56.Kg8 Rd8 57.Rf8 Rf8 58.Kf8 1–0. Hrabinska,Myroslava (2290) – Greef,M (1930), V Breizh Masters Women, Guingamp FRA, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Be7 9.0-0 Nf6 10.Re1 0-0 11.Ne5 Ne5 12.Re5 Qd6 13.Be2 Qc7 14.ab4 Bb4 15.Na3 Bd7 16.Nb5 Qb8 17.Rg5 h6 18.Rg3 Ne8 19.Ra4 a5 20.Qa1 g6 21.Bd3 Ra6 22.Be5 Qc8 23.Qb2 Bf5 24.Bf1 Re6 25.d4 f6 26.Bf4 Re1 27.Ra1 (27.Bh6?? Qc4 28.Rg6 Bg6-+; 27.Rb4?! ab4 28.Qb4 Qe6+/-) 27...Ra1 28.Qa1 g5 29.h4 Ng7 30.hg5 hg5 31.Bc1 Re8 32.Re3 Bd7 33.c5 Bb5 34.Bb5 Re3 35.fe3 Qg4 36.Qa2 Kf8 37.Qc2 Nf5 38.Bd7?? Ne3 39.Be3 Qd7 40.Qg6 Qe7 41.Kf2 a4 42.Qh6 Kg8 43.Qg6 Kf8 44.Qb1 Bc3 45.Qc2 Be1 46.Ke2 Bg3 47.Kd3 Kg7 48.Qa4+= f5 49.d5 f4 50.Bd4 Kh6 51.c6 g4 52.Qa8 bc6 53.Qc6 Kh5 54.d6 Qh7 55.Qe4 (55.Qe4 Qd7 56.Qe5 Kg6 57.Qd5+=) 1–0. Zajarnyi,Anatolyi (2395) – Spulber,Cicerone (2375), Techirghiol, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    8.Be2 e4 9.0-0? (better is 9.Nd4 Qg6 10.g3-/+) 9...ef3-+ 10.Bf3 Qc4 11.Re1 Be6 12.d4 Rd8 13.d5 Nge7 14.Nd2 Qf4 15.g3 Qd6 (15...Qh6 16.dc6 Nc6-+ (16...Qd2? 17.Qd2 Rd2 18.cb7+-; 16...bc6?! 17.Re2-/+)) 16.de6+= fe6 17.Bh5 Kd7 18.Qb3 (18.ab4!? Kc8 19.Bc1=) 18...Qd5+= (18...Qd2 19.Rad1 Qd1 20.Bd1+/-) 19.ab4 Kc7 (19...Qd2? 20.Rad1 Qd1 21.Qe6 Kc7 22.Bd1+-) 20.Nc4 b5 21.Be5 Ne5 22.Re5 bc4 23.Ra7 Kb8 24.Qa4 Qc6 25.Rb5 Qb5 26.Qb5 Ka7 27.Qa5 Kb7 28.Qd8 Nd5 29.Qd7 Kb8 30.Qd8 (better is 30.Qe6!? Nf6 31.Bf3 Kc7+-) 30...Kb7 31.Bf7 Nc7 32.Qd4 Bb4 33.Qc4 Ba5 34.Be6 Rd8 35.Bg4 Rd6 (35...Ka7+-) 36.Bf3 Kc8 (36...Kb8 37.Qb3 Rb6 38.Qg8 Ka7 39.Qg7 Rb1 40.Kg2 Bb6+-) 37.Qg8 Rd8 (37...Kd7 38.Qg7 Ke6 39.Qh6 Ke5 40.Qh5 Kf6 41.Qa5+-) 38.Bg4 Ne6 39.Qe6 Kc7 40.Qe7 Kc6 41.Qg7 1–0. Kerber,Alfred (1920) – Marchhart,Matthias (2115), AUT–chT2W, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 ba3

    9.Na3+= Ba3 10.Ra3 Nge7 11.0-0 f6 12.Re1 0-0 13.Bb1 Qd6 14.Nh4 (14.d4!? ed4 (14...Bg4 15.c5+= Qd7=) 15.Nd4 Nd4+=) 14...g6 (14...Nd4 15.Qh5 f5=) 15.Rg3 (15.Be4 Qb4-/+) 15...Kf7 (15...Be6 16.Ba3 Qd4 17.Ng6 hg6 18.Qh5=; 15...Qb4-/+) 16.Ree3 (better is 16.Ba3!? Qe6 17.Qb3=) 16...Be6+= 17.Ba3 Nb4 18.Be4 a5 19.Bb7 Rad8 20.h3? (20.d3!?+=) 20...Bc4 21.Rc3 Be6 22.d3?? Qd4 (22...Qd4 23.Rc7 Qh4-+) 0–1. Freiberger,J (2215) – Wehmeier,S (2440), Schachtuerken–Cup A, Paderborn GER, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    9.Na3+= Ba3 10.Ra3 Nge7 11.0-0 f6 12.Re1 0-0 13.Bb1 Qf7 (13...Qc4?? 14.Ba2 Qa2 15.Ra2+-) 14.d4 ed4 15.Nd4 Nd4 (15...Rd8 16.Rd3 Ne5 17.Nc6 Rd3 18.Ne7 Qe7 19.Bd3=) 16.Qd4= Bf5 17.Ba2 (17.Bf5 Nf5 18.Qc5+=) 17...Nc6+= 18.Qf4 Rfe8 19.Rc1 Qd7 20.c5 Kh8 21.g4? (better is 21.Bc4!?-/+) 21...Re4 22.Qd6 Rg4 23.Kf1 Rd8 24.Qd7 Rd7 25.Rcc3 (25.Re1 h5-+) 25...h5 (25...Rd1 26.Ke2 Rgd4 27.Rcb3 Bg4 28.f3 R4d2 29.Ke3-+) 26.Rf3 Bg6 27.Be6 Rd1 28.Ke2 Rgg1 (28...Rgg1 29.Rfe3 Bc2-+) 0–1. Zajarnyi,Anatoliy (2380) – Spulber,C (2350), It Techirghiol ROM, 2000. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    9.Na3 Ba3 10.Ra3 Nge7 11.0-0 f6 12.Re1 Qf7 13.Qb1 Qh5 14.Be4 0-0 15.d4 ed4 16.Nd4 Ne5 17.Rg3 Rd8 18.f4 Nc4 19.Bd3 Nb2 20.Re7 Nd3 (20...Rd4 21.Reg7 Kf8 22.Rg8 Ke7 23.R3g7 Kd6 24.Rd8 Kc6 25.Be4 (worse is 25.Rd4 Nd3 26.Qd3 Qc5+-) 25...Re4 26.Qe4 Kb5 27.Rd5 Qd5 28.Qd5 Kb4 29.Rb7 Bb7 30.Qb7 Kc3 31.Qa8+-) 21.Rgg7 Kh8 22.Qd3 f5?? (better is 22...Bf5 23.Qf5 Qd1 24.Kf2 Qd4 25.Kg3 Qd3 26.Qd3 Rd3 27.Kh4 b5 28.Rh7 Kg8 29.Reg7 Kf8+-) 23.Rg5 Qh6 (23...Rd5 24.Rh5 Rd6 25.Rhh7 Kg8 26.Qg3 Rg6 27.Qg6 Kf8 28.Qg7) 24.Ne6 (24.Ne6 Qg5 25.Qd8 Qg8 26.Qd4 Qg7 27.Qg7; 24.Nc6 Rf8 25.Qd4 Qf6 26.Qf6 Rf6 27.Re8 Rf8 28.Rf8) 1–0. Zajarnyi,Anatoliy (2395) – Malakhov,Vladimir (2555), Lviv, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    9.Na3+= Bc5 A) 10.Nb5 Qe7 11.0-0 Bg4 12.Be2 Bf5 13.Ne5 Ne5 14.Be5 Qe5 15.d4 Bd4+=; B) 10.Qe2 Qe7 (10...f6 11.Nb5 Qe7 12.0-0 Bg4 13.h3 Bf3 14.Qf3 Rd8 15.Be4 Rd2=) 11.0-0 Bg4 12.Rfe1 Rd8 13.Nc2 Bf3 14.Qf3 Qf6 15.Be4 Qf3-/+; C) 10.0-0 f6 (10...Nf6 11.Ne5 Ne5 12.Be5 Kd8 13.Bb2 Re8 14.Nb5 Re7 15.Qb3 Rd7+=; 10...Bd7 11.Ne5 Ne5 12.Be5 Nf6 13.Nc2 Bc6 14.Bd4 Bd4 15.Nd4 Qg4+=; 10...Qd6 11.Be4 f6 12.Re1 Nge7 13.Nb5 Qd7 14.d4 Bb4 15.d5 Be1+=) 11.Be4 Ba3 12.Ra3 Qc4 13.d4 Be6 14.Bc6 bc6 15.de5 f5=.

    9.Na3+= e4 10.0-0 f5 11.Bc2 Nf6 12.Nb5 Kd8 13.Ng5 Qd7 14.d3 h6 15.Nh3 Bc5 =.

    9.Na3+= Nf6 A) 10.Nb5 Kd8 (10...Qe7 11.0-0 Bg4 12.Re1 a6 13.h3 Bh5 14.g4 Ng4 15.Ne5 Nge5+/- 1.12; 10...Kd7 11.0-0 Kd8 12.Qe2 Nd7 13.Be4 Bc5 14.Rfe1 Re8 15.Ng5 Qf6=) 11.Qe2 Bc5 12.Ne5 Re8 13.f4 Ng4 14.Bh7 Nge5 15.fe5 Ne5-/+; B) 10.0-0 Bd6 11.Nb5 Bb8 12.Re1 0-0 13.Qb1 h6 14.Nbd4 Nd4 15.Bd4 Nd7=; C) 10.Qe2 Bd6 11.Nb5 Bb8 12.0-0 e4 13.Rfe1 ef3 14.Qf3 Ne5 15.Be5 Be5+=.

    8.Bd3 8.Bd3 Bc5

    9.0-0 ba3 10.Na3 Ba3 (10...Nf6 11.Ne5 Ne5 12.Be5=) 11.Ra3= Nge7 12.Re1 f6 13.Bb1 Qf7 (13...Qc4 14.d4 ed4 15.Nd4+=) 14.d4= ed4 15.Nd4 0-0 (15...Qc4? 16.Nc6 Qc6 17.Rae3+-) 16.Nb5 Ng6? (better is 16...Rd8 17.Rd3 Bf5+=) 17.Nd6+- Qc7? (17...Rd8 18.c5 Nf4 19.Ra4+-) 18.Qd5 (better is 18.Bg6!? hg6 19.Qd5 Kh7 20.Nc8 Qc8 21.Rh3 Qh3 22.gh3 Rad8+-) 18...Kh8 19.Bg6 Ne7 (19...hg6?? 20.Nc8 Qc8 21.Ree3+-) 20.Nf7 Kg8 21.Bh7! Kh7 22.Qh5 Kg8 23.Nh6! gh6 24.Rg3 Kh7 (24...Qg3 25.hg3 Rf7+-) 25.Re7! (25.Re7 Qe7 26.Qg6 Kh8 27.Qh6 Qh7 28.Qf8 Qg8 29.Qg8) 1–0. Grabinsky,V (2360) – Sharevich,A (2265), 300 Years St Petersburg RUS, 2003. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    9.0-0 Nge7 10.Re1 e5 becomes the focus of attention 10...f6 11.Bf1N (11.ab4!? Bb4 12.Nc3=) 11...Qf7-/+ 12.d4 (12.ab4 Bb4 13.Qc2 Bf5-/+) 12...ed4 13.Nd4 0-0 14.Nb3 ba3 15.Na3 Bb4 16.Re3 Nf5 17.Re4 Be6 (17...Nd6!? 18.Rf4 Be6 19.Bd3-/+) 18.Nc2-/+ Nd6 19.Re6 Qe6 20.Qd5 (better is 20.Nb4 Nb4 21.Nc5-/+) 20...Kf7?? (better is 20...Rfe8-+) 21.Qh5= Kg8 22.Qd5 Kf7 23.Qh5 Kg8 ½–½. Grove,Michael (2040) – Kubik,Michael (2175), Tatranske Zruby SVK, Tatry Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    9.0-0 f6 10.Re1 Nge7 11.ab4 Bb4 12.Na3 a6 13.Bb1 Qd6 14.Nc2 (14.Nb5 Qd8-/+ (14...ab5?! 15.Ra8 bc4 16.Be4=)) 14...Bc5 (14...Bg4 15.Ra4 Bc5 16.Bc3-/+) 15.d4+= ed4 16.Ncd4 0-0 17.Qc2 Ng6 (17...Bd4?? 18.Qh7 Kf7 19.Qh5 Kg8 20.Bh7 Kh8 21.Bg6 Kg8 22.Qh7#; 17...Nd4?? 18.Qh7 Kf7 19.Qh5 Kg8 20.Bh7 Kh8 21.Bg6 Kg8 22.Qh7) 18.Nc6 Qc6 19.Ba3 Bg4 20.Bc5 Qc5 21.Nh4 (21.Qc3!?+=) 21...Rfe8-/+ (worse is 21...Nh4 22.Qh7 Kf7 23.Qh4+/-) 22.Rf1 Nf8 23.h3 Qd4 24.Ra3 Be2 25.Nf5 Qc5 26.Rg3 Bf1 27.Rg7?? Kh8-+ 28.Kf1 Rad8 29.Rg3?? Qf5 30.Qc1 Qf4! 31.Qc2 Qc4 32.Qc4 Rd1# 0–1. Meleshko,Vladimir – Lineikin,Denis, UKR–ch sf U14, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    9.0-0 f6 10.Re1 Nge7 11.Qc2 Qd6 12.Be4 Be6 13.ab4 Nb4 14.Qa4 Bd7 15.Qb3 0-0 16.d4 ed4 17.Bd4 Nec6 18.Be3 Be3 19.Re3 Qc5 20.Nc3 Rad8 21.Na4 Qa5 22.Qb1 h6 23.Rb3 Bc8 24.c5 Rfe8 25.h3 Re7 26.Nh4 Red7 27.Rba3 Rd1 28.Qd1 Rd1 29.Rd1 f5 30.Nf5 b5 31.Nd6 Be6 32.Bg6 Nd5 33.Rd5 Qe1 34.Kh2 Bd5 35.Re3 Qe3 36.fe3 ba4 37.e4 Be6 38.Nb5 Bd7 39.Bf5 Bf5 40.ef5 Nb4 41.h4 Kf7 42.g4 Kf6 43.Kg3 a6 44.Na3 h5 45.gh5 Kf5 46.Nb1 Nc6 47.Kf3 Ne7 48.Nc3 a3 49.Na2 a5 50.Nc1 Nc6 51.Ke3 Ke5 52.Kd3 Kd5 53.Kc3 a4 54.Nd3 Nd4 55.c6 Nc6 56.Nf4 Kd6 57.Nd3 Nd4! 58.Nc1 Kc5 59.Nd3 Kb5 60.Nc1 Nc6 61.Nd3 a2 62.Kb2 Kc4 63.Nf2 Nb4 64.Ne4 a3 65.Ka1 Kb3 66.Nc5 Kc3 67.Nb7 ½–½. Eriksen,John Iver – Villumsen,Gert, DEN–ch prel corr, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    9.0-0 f6 10.Re1 Nge7 11.Qc2 Qf7 12.Be4 Bg4 (12...Be6 13.ab4 Bb4 14.Rc1 Rd8 15.Ba3 Rd7 16.c5 Ba5-/+) 13.ab4 Nb4 (13...Bb4 14.Ra4 Rd8 15.Qb3 a5 16.Qc2 Be6-/+) 14.Qa4 Bd7 15.Qd1 (15.Qb3 a5 16.d4 a4=) 15...Bc6 16.Bc6 (16.d4 Be4+=) 16...Nbc6 (16...Nec6?! 17.d4 0-0-0 18.d5=) 17.Qb3 0-0 18.Nc3 b6 19.Nd5? (better is 19.Ne4!?-/+) 19...Nd5-+ 20.cd5 Ne7 21.d4 ed4 22.Bd4 Bd4 23.Nd4 Nd5 24.Rab1 Nc7 25.Qg3 f5 26.Rbc1 f4 27.Qg5 h6 28.Qg4 Rad8 29.Nc6 Rde8 30.Red1 Ne6 31.Rd5? (31.Ra1 a5-+) 31...Nc5 (31...f3 32.gf3 Nf4 33.Rd7-+) 32.Rh5 Qe6 33.Qe6 Re6 34.Na7 Rfe8 35.h3 Nd3 36.Rc2 Re1 37.Kh2 Rf1 38.f3 Ree1 (38...Ree1 39.Rc8 Kh7 40.Rh6 Kh6 41.Rc6 Kh7 42.Rh6 Kh6 43.Nc6 Rh1) 0–1. Al Khulaifi,Ghada (1645) – Wafa,Shrook (1870), Doha QAT, Arab Games (w), 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    8.Bd3 Bd6

    9.0-0 Nge7 10.Re1 f6 11.ab4 Nb4 12.Be4 0-0 13.d4 f5 14.Bd5 Ned5 15.cd5 Qd5 16.Nc3 Qc4 17.de5 Be7 18.Re2 Be6 19.Rd2 Rfd8 20.Ra7 Ra7 21.Rd8 Bd8 22.Qd8 Kf7 23.Ng5 Kg6 24.h4 (24.Ne6?! Qe6 25.Ne2 Nc6 26.Nf4 Kf7+-) 24...Qc8?? (24...Qh4 25.Qe8 Kg5 26.Bc1 f4 27.Qe6 Ra1 28.Ne4 Kh5 29.Ng3 Qg3 30.fg3 Rc1 31.Kh2 fg3 32.Kh3 Nd3 33.Qg4 Kh6 34.Qh4 Kg6 35.Qg3 Kf7 36.Qd3 Ke8+-) 25.Ne6 Qe6 26.Nb5 Nc6= 27.Qg5 Kf7 28.Nc7 Qg6 29.e6+/- Kg8? 30.Qe3?? Qg4?? 31.g3?? Qb4-/+ 32.Bg7 Kg7?? 33.Qg5= Kh8 34.Qf6 Kg8 35.Qf7 Kh8 36.Nd5 Qc5?? 37.Nf6 Ra1 38.Kg2 (38.Kg2 Qf2 39.Kf2 Ra2 40.Kf1 Ra1 41.Kg2 Ra2 42.Kh3 Rh2 43.Kh2 f4 44.Qh7) 1–0. Zajarnyi,Anatolyi (2380) – Raceanu,Valentin (2275), Techirghiol, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Bd6)

    9.0-0 Nge7 10.Re1 f6 11.ab4 Nb4 12.Be4 f5 13.Bd5 Nbd5 14.cd5 Qd5 (worse is 14...Nd5 15.Be5 0-0 16.Bg7 Kg7 17.Re6 Be6 18.Qb3+/-) 15.Be5 0-0 16.Nc3 Qc6 17.Qb3 Kh8 18.Nd4 Qc5 19.Na4 Qe5 20.Re5 Be5 21.Qb4 Ng6 22.Nb6 a5 23.Qc5 Rb8 24.Re1 Bd4 25.Qd4 f4 26.h4 Bg4 27.f3 Rbd8 28.Qf2 Bh5 29.Qc5 Rf6 30.Qh5 Rb6 31.Qa5 Rbd6 32.h5 Nf8 33.Re7 h6 34.Qe5 Rf6 35.d4 b6 36.Rb7 Rd7 37.Rb8 Kg8 38.d5 Rdd6? 39.Kf2 Rd7 40.Ke2 Rff7 41.Kd3 Rfe7 42.Qf5 Rf7 43.Qe6 b5 44.Qc6 Rc7 45.Qd6 Rc1 46.Rb5 Rd1 47.Ke2 Rh1 48.Qe5 Rc1 49.Rb8 Rc2 50.Kf1 Rd2 51.Qe6 Rd3 52.d6 Re3 53.Qd5 Ra3 54.d7 Ra1 55.Kf2 Ra2 56.Qa2 (56.Qa2 g6 57.hg6 Kh8 58.Qf7 h5 59.Qf8) 1–0. Zherebukh,Yaroslav (2300) – Olenichev,Dmitriy (2100), UKR–ch U14 Ternopil, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Bd6)

    9.0-0 Nge7 10.Re1 f6 11.ab4 Nb4 12.Bf1 0-0 13.d4 e4 14.Nc3 f5 15.Nb5 Bb8 16.Ba3 Na6 17.h3 Rd8 18.Qb3 Qf6 19.d5 Ng6 (19...ef3? 20.Be7 Qb6 21.Bd8 Qd8 22.Qf3+-) 20.Bb2 Ne5 (better is 20...Qf8!? 21.Nfd4 Nc5-/+) 21.Ne5+= Be5 22.Be5 Qe5 23.Na7 Rb8 (23...Ra7? 24.Qb6 Qd6 25.Qa7+-) 24.Nc8 Rdc8 25.Rab1 Nc5 26.Qb5 Qd4 27.Red1 Nd3 28.Bd3 ed3 29.Qd7 Rc4 (better is 29...Rf8!?+/-) 30.Rb7+- (30.Qf5?! Rf8 31.Qd3 Qf2 32.Kh2 Rc2+=) 30...Rbc8 31.Qf7 Kh8 32.Re7 (32.Qf5?! d2 33.Rb4 Re8+/-) 32...h6 33.Qf5 (better is 33.Rde1!? Qf6 34.Re8 Re8 35.Re8 Kh7 36.Qg8 Kg6+-) 33...d2 34.Rf7?? (better is 34.Re2+-) 34...Rc1-+ 35.Rf8 Rf8 36.Qf8 Kh7 37.Qf5 Kh8 38.Qf8 Kh7 39.Qf5 Kg8 40.Qe6 Kh8 41.Qc8 Rc8 (41...Rc8 42.g3 Rc1 43.Kh2 Qf2 44.Kh1 Rd1) 0–1. Nowicki,Heiko – Fuellgrabe,Thomas (2215), Ruhrgebiet VL1, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Bd6)

    9.0-0 Nf6

    10.Re1 0-0 11.ab4 Nb4 12.Ne5 Nd3-/+ 13.Nd3 Qc4 14.Ne5 (14.Bf6 gf6 15.Qf3 Bg4-/+) 14...Qh4 (14...Qf4 15.f3-/+) 15.Ra4 Qh5 16.Qh5 Nh5 17.Rd4 Be5 (17...Bc5 18.Rd5 Be7 19.Nf7 Rf7 20.Rh5+=) 18.Re5= Nf6 19.Ba3 Be6 (19...Nd7 20.Re3 Rd8 21.Nc3=) 20.Bf8+= Kf8 21.f4 g6 22.Nc3 b6 23.Nb5 Rc8 24.h3 a5 25.Rd6 Rc2? (better is 25...Rc4!?=) 26.Nd4+/- Rc1 27.Kh2 Nd5? (better is 27...Ke7 28.Rb6 Nd5+/-) 28.Ne6+- (28.Rdd5?! Bd5 29.Rd5 Ke7+/-; 28.Red5?! Bd5 29.Rd5 a4+/-; 28.Rde6?! fe6 29.Ne6 Ke7 30.Nc7 Kd6 31.Nd5 b5+/-) 28...fe6 29.Ree6 (better is 29.Rde6 Kf7 30.Rd6 (30.Rd5 Ke6 31.Rb5 Rc6+=) 30...Nf4 31.Rb6+-) 29...Rc5? (better is 29...Nf4 30.Rd8 Kg7 31.Rd7 Kh6 32.Rb6 Rf1+-) 30.d4 Rb5 31.Re5 Nc3 32.Rc6 (32.Rc6 Re5 33.de5+- (33.Rc3 Rd5+=)) 1–0. Gallegos,Paul (2090) – Gaffagan,Steven, Jim Hurt Rating, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Nc6 14.Nbd2= Bb4 15.Bf6 (15.Ng5 Qf5 16.Nge4 Ne4 17.Re4 Rd8=) 15...Qf6=+ 16.Ne4 Qd8 17.Re3 Bg4 18.h3 (18.Qb3 Bf3 19.Rf3 a5=+) 18...Bf3-/+ 19.Rf3 f5 20.Ng3 Nd4 21.Rb1 a5 22.c5? (22.Rf4!? g5 23.Rd4 Qd4 24.Qh5-+) 22...Nf3 (22...Bc5 23.Rf4 g5 24.Rd4 Qd4 25.Qd2-+) 23.Qf3 Rb8 (23...Rc8 24.Rd1 f4 25.Ne4-+) 24.Qf4 Qd5 25.d4 Rbd8 26.Ne2 Kh8 (26...Qa2 27.Qc1-+) 27.Qh4 Rfe8 (27...Rf6!? 28.Qg3-+) 28.Nf4-/+ Qf7 (28...Qd4?? 29.Ng6 Kg8 30.Bc4 Qd5 31.Bd5 Rd5 32.Ne7 Kh8 33.Nd5 Bc5 34.Nf6 gf6 35.Qf6 Kg8 36.Rb3+-) 29.Bb5 Rf8 (29...Rd4 30.Be8 Qe8 31.Ng6 Qg6 32.Qd4+/-) 30.d5 (30.Rc1!?-/+) 30...Bc5-+ 31.Ne6 Rd5 32.Nf8 Qf8 (32...Bf8?! 33.Bc4 b5 34.Bd5 Qd5 35.Qg3=) 33.Re1 (33.Qf4 b6-+) 33...Rd8 (33...Bf2 34.Qf2 Rb5 35.Qd4-+) 34.g4? (better 34.Qg3-+) 34...fg4 35.hg4 g5 (35...Rd2!? 36.Re2 Re2 37.Be2-+) 36.Qg3 Qf6 37.Re8 (37.Re2 Rf8-+) 37...Re8 38.Be8 Qd4 39.Bb5 Bd6 (39...Be7 40.Qf3-+) 40.Qf3 b6 41.Bd3 Qf4 42.Qa8 (42.Qf4 Bf4 43.Bb5 Kg7-+) 42...Kg7 43.Qb7 Bc7 44.Qc8 Qf7 45.Qa8 Qe6 46.Bf5 Qd6 47.Qe8 Bd8 48.Be6 Qe7 49.Qg8 Kf6 50.Bf5 Ke5 51.Bh7 Qd7 (51...b5 52.Qg6 Qc5 53.Bg8-+) 52.Bf5 Qd1 53.Kh2 Qd6 54.Qe8 Kd4 55.Kg1 Kc5 56.Qe3 Qd4 57.Qa3 Kc6 58.Qf3 Kd6 59.Qg3 Kd5 (better 59...Ke7!?-/+) 60.Qb3= Kc6 61.Qf3 Kb5 (better 61...Kc7!?-/+) 62.Qb3= Kc6 63.Qf3 Kc7 64.Qa8 (64.Qg3!? Kb7 65.Qf3 Ka7 66.Qc6-/+) 64...Bf6-+ 65.Qc8 (65.Be4 Qd1 66.Kh2 Be5 67.Kh3 Qf1 68.Bg2 Qd3 (68...Qf2?! 69.Qc6 Kd8 70.Qd5 Kc8 71.Qe6 Kd8 72.Qd5 Kc8 73.Qe6 Kd8 74.Qd5=) 69.Bf3 Qb5-+) 65...Kd6 66.Qf8 Kd5 67.Qa3 (67.Qc8 Qe5-+) 67...Qc3 68.Qa4 Bd4 (68...Qa1 69.Qa1 Ba1 70.Bd7-+) 69.Qd7 (69.Qb5 Kd6 70.Qd7 Kc5 71.Qe7 Kb5 72.Bd7 Ka6-/+) 69...Kc4 70.Be6 (70.Kg2 Qb2 71.Qe6 Kb4 72.Qe7 Kb3 73.Qf7 Ka4 74.Bd7 Ka3 75.Qf8 Kb3-+) 70...Kd3 (better 70...Kb4!? 71.Kg2 Qb2-+) 71.Qb5-/+ Kc2 72.Bf5 Kd2 73.Kg2 Bc5 (73...Bf6 74.Qb6 a4 75.Qd6 Ke1 76.Qd5-/+) 74.Qa4 (74.Qb1 Ba3=+) 74...Kc1 (74...Ba3 75.Qb5=+) 75.Qb5=+ Kd2 76.Qa4 Ba3 77.Qe4 Bb4 78.Kf1 Qc1 79.Kg2 Qc3 (79...Kc3!?-/+) 80.Kf1= Qc1 81.Kg2 Kc3 82.Qd3 Kb2 83.Qd4 Qc3 84.Qb6 a4 85.Qa6 a3 86.Qe2 Qd2 87.Qe5 Qc3 88.Qe2 Qd2 89.Qe5 Qc3 (better 89...Kb3!? 90.Be6 Ka4=+) 90.Qe2= ½-½. Schultz Pedersen,Jesper (2055) - Nilssen,J (2330), Hillerod, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4)

    10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4 13.d3 Qd7 14.de4 Ne4 15.Bd4 Nc5+= 16.Nc3 b6 (16...Nc6 17.Nb5+=) 17.Nb5= Bb8 18.Ne5 Be5 19.Re5 a6 20.Nc3 Nb3 21.Qb3 Qd4 22.Re4 (22.Re3 a5=) 22...Qd6 (22...Qc5 23.Na4 Qc6 24.Rd4=) 23.Rd1 Qc5 24.Na4 Qa5 25.Rf4 (25.c5 bc5 26.Rc1 Qd8=) 25...Be6 26.Rb1 Nc6 27.Nb6 Rad8 28.Qe3 Bf5 29.Re1 Bg6 30.Nd5 f6 31.Rd1 (31.Qe6 Kh8 32.Rd1 Ne5=) 31...Rfe8+= 32.Qg3 Qc5 (32...Qa4 33.Rc1+=) 33.h3 Ne5 34.h4 Kh8 35.Be2 Bf7 36.Re4 Bd5 37.Red4 ½–½. Spencer,Edwin A – Calder,Hugh (2090), SCCA Web League Div, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    10.Re1 ba3 11.Na3 0-0 12.Bf1 Qf5-/+ 13.Nb5 Bb8 14.d4 (14.Qe2 e4 15.Nh4 Qg5 16.Bf6 Qf6 17.Qe4 Be5-/+) 14...e4 15.Nd2?? (better is 15.d5 ef3 16.dc6 Bh2 17.Kh2 Ng4 18.Kg1 fg2 19.Bg2 Qf2 20.Kh1 Qb2 21.Qd4 Qd4 22.Nd4 bc6 23.Nc6-/+) 15...Bh2!-+ 16.Kh1 (16.Kh2 Ng4 Double attack) 16...Qf2 17.Bd3 Bg4 (better is 17...Qh4 18.Be4 Bg3 19.Kg1 Qh2 20.Kf1-+) 18.Be2 (18.Ne4 Qh4 19.Nf6 gf6 20.Qg4 Qg4 21.Kh2 Qf4 22.Kg1-+) 18...Qh4 19.Nf3 (19.Bg4 Ng4 20.Qg4 Qg4 21.Re4-+) 19...ef3 20.Bf3 (20.Bc1 Bf4 21.Kg1 Qh2 22.Kf2 Qg2) 20...Bg3 (20...Nh5 21.g3 Qh3 22.Bg4 Ng3) 21.Kg1-+ Qh2 22.Kf1 Rae8 23.Re8 Re8 (23...Re8 24.Bg4 Qh1) 0–1. Chulivska,Vita (2035) – Lelekova,O (2095), EYCC G14 Halkidiki GRE, 2001. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Bd6 9.0-0 Nf6)

    10.Re1 ba3 11.Na3 0-0 12.Bb1 Qg4 13.Nb5 Bb8 14.Ra4 Re8 15.c5 Qd7 16.Rh4 Ne7 17.Nd6 Bd6 18.cd6 Nf5 19.Bf5 Qf5 20.Ne5 Be6 21.Re3 Bd5 22.d7 Nd7 (better is 22...Red8!?+=) 23.Nd7= Qd7? (23...Re3 24.de3 Be6+-) 24.Qh5+/- h6 25.Bg7! Qc6? (25...Kg7 26.Qh6 Mate attack) 26.Bc3 Re6 (26...Re3 27.fe3 Kf8 28.Bb4 Ke8 29.Qe5 Qe6 30.Qh8 Kd7 31.Qa8 Qg6+-) 27.Rg4 Kf8 28.Bb4 Ke8 (28...Qc5 29.Bc5 Ke8 30.Qd5 f5 31.Re6 Kf7 32.Qf5) 29.Rg8 Kd7 30.Qf7 (30.Qf7 Re7 31.Qe7) 1–0. Chulivska,Vita (2175) – Kalinina,Olga (2190), UKR–ch sf U18 Girls, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    10.Re1 ba3 11.Na3 0-0 12.Bb1 Qg4 13.h3 Qh5 14.Nb5 Bb8 15.Ra4 (15.d4 ed4 16.Nbd4 Rd8 17.Nc6 Rd1 18.Rd1 Bc7 19.Ne7 Kf8 20.Nc8 Rc8 21.Ra7 Rb8+=) 15...Re8 (15...Bf5!?+=) 16.c5= g5 (16...a6 17.Nc3 g5 18.Ne4 Ne4 19.Rae4+= (19.Ree4?! f6=)) 17.d4 g4 18.de5 Ne5?? (better is 18...gf3 19.ef6 Re1 20.Qe1 Kf8+= (20...Qc5 21.Qe8 Qf8 22.Bh7 Kh7 23.Qf8 Bh2 24.Kh2 Kg6 25.Qg7 Kh5 26.Qh7 Kg5 27.h4)) 19.Ne5+- Be5 20.Nd6 Bd6?? (20...Re7+/-) 21.cd6 (better is 21.Re8 Ne8 22.cd6+-) 21...Re1? (21...Bd7 22.Re7 Ba4 23.Qa4 Re7 24.de7 Qh4+-) 22.Qe1+- Qb5?? (22...Qg5 23.Bf6 Qf6 24.Qe8 Kg7+-) 23.Rb4 Qg5 24.h4! Qh6 (24...Qh4 25.Qe7 Combination) 25.Qe5 (25.Rb5!? Be6 (25...Qh4?? 26.Qe3 h6 27.Qe7+-) 26.Rg5 Kf8+-) 25...Kg7 (25...Bd7 26.Rb7 g3 27.Qg3 Kf8 28.Bf6 Qf6 29.Rd7 Qg7+-) 26.Rf4 (26.Rf4 Bf5 27.Bf5 Kf8 28.Rg4 Re8 29.d7 Qg6 30.Qf6 Qf6 31.Ba3 Qe7 32.de8Q Ke8 33.Rg8 Qf8 34.Rf8) 1–0. Chulivska,Vita (2050) – Pages de Garriga,Berta, EU–ch U14 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    8.Bd3 f6

    9.0-0 Bc5 10.ab4 Nb4 11.Be2 e4 -/+.

    9.0-0 Bc5 10.Re1 Nge7 11.ab4 Nb4 12.Be4 Qc4 13.d4 ed4 14.Nbd2 Qb5 15.Qb3 d3-/+ 16.Bd5 Qb6 17.Bf7 Kf8 18.Bh5 Bf2 19.Kh1 g6 20.Ng5?? fg5 21.Bh8 Be1 22.Re1 Nbd5 23.Qd3 gh5 24.Qh7 Qg6 (24...Qg6 25.Qg6 Ng6-+) 0–1. Lopez de Lerma Ruiz,Jesus – Al_Jabari,Osama (1815), IECG, 2000.

    9.0-0 Bc5 10.Re1 Nge7 11.ab4 Nb4 12.Be4 Qc4 13.d4 ed4 14.Nbd2 Qb5 15.Nd4 Bd4 16.Bd4 0-0?? (better is 16...a5+=) 17.Qb3+- (17.Ra7?! Ra7 18.Ba7 Nbc6=; 17.Ba7?! Nec6 18.Be3 Be6+=) 17...Kh8 18.Bc3 (18.Ra7?! Ra7 19.Ba7 Rd8=; 18.Ba7 Nec6 19.Be3 Bf5+=) 18...Ned5 19.Bd5 Qd5 20.Bb4 Qb3 21.Nb3 Rd8 22.Ba5 Rf8 23.Bb6! a6 (23...ab6 24.Ra8) 24.Re7 Bf5 25.Nd4 (25.Nd4 Bd3 26.Rae1+-) 1–0. Zajarnyi,Anatolyi (2315) – Milu,Romeo Sorin (2440), Coca Cola op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 f6)

    9.0-0 Bc5 10.Re1 Nge7 11.ab4 Nb4 12.Bf1 Qb6 13.d4 ed4 14.Bd4 Nbc6 15.Bc5 ½–½. Theuretzbacher,Klaus (2200) – Mihevc,Narcisa (2130), Graz op–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 f6)

    9.0-0 Bc5 10.Qe2 Nge7 (10...b3 11.Be4 Nge7 12.d4 Nd4 13.Nd4 Bd4 14.Bd4 ed4 15.Qh5 g6 16.Qb5 Kf7 17.Nd2+=) 11.ab4 Bb4 12.Na3 Bc5 (better is 12...a6!?-/+) 13.Nb5= Qd7 (13...Bd6 14.Bh7 Rh7 15.Qd3=) 14.Be4 (better is 14.Be5!? fe5 15.Ne5 Ne5 16.Qe5 Qd3 17.Qc5+/-) 14...0-0 15.Rfd1 Nd4 (better is 15...Ng6+=) 16.Nfd4+/- ed4 17.Bh7! Kh7 18.Qh5 Kg8 19.Qc5 Nc6 20.Ba3 Re8? (20...Rd8!?+/-) 21.Re1 (21.Qd5 Re6+-) 21...Re5? (21...Rd8 22.Qd5! Qd5 23.cd5+/-) 22.Re5 (better is 22.Qf8 Kh7 23.Bd6+-) 22...fe5+/- 23.Qf8 Kh7 24.Nd6 a6? (better is 24...Qe6!?+/-) 25.Re1+- b5 (25...b6 26.Qf3 Kg8 27.Re5 Ne5 28.Qa8+-) 26.Qf3 Rb8 (26...Ra7 27.Qh5 Kg8 28.Re4+-) 27.cb5 ab5 28.Re4 (28.Bc5 b4 29.Re4+-) 28...b4+/- 29.Rh4 Kg8 30.Qh5 Qd6 (30...Kf8!? 31.Bb4 Rb4+/- (31...Nb4? 32.Qg6 Kg8 33.Rh6+-)) 31.Qe8+/- Qf8 32.Rh8 Kh8 33.Qf8 Kh7 34.Bb2 b3? (better is 34...Bd7 35.Qf7 Rd8+/-) 35.Qd6 Bb7 36.h4 (36.f4!? ef4 37.Qf4 Rd8+-) 36...Ba8 37.h5 1–0. Held,Bernd – Schmoll,Heinz, Duesseldorf–ch, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 f6)

    9.0-0 Bc5 10.Be4 Nge7 11.d3 0-0 12.ab4 Nb4 13.Nc3 f5 14.Na4 Na6 15.Nc5 Nc5 16.Bd5 Nd5 17.cd5 Qd5 18.Be5 b6 19.d4 Ne4 20.Qe2 Bb7 21.Qe3 Rf7 22.Rfc1 h6 23.Ra3 b5 24.Ra5 a6 25.Ne1 Nd6 26.Rc5 Nc4 27.Qg3 Qe4 28.Ra1 Re8 29.Rc1 f4 30.Qc3 Re6 31.f3 Qe3 32.Qe3 fe3 33.Nd3 Re8 34.Bg3 Rfe7 35.Ne5 Nb6 36.Kf1 Nd5 37.Ke2 Re6 38.Nd3 Rg6 39.R1c2 Rd8 40.Rb2 h5 41.Ne5 Rg5 42.Kf1 Re8 43.Rbc2 Rf5 44.Ke2 h4! 45.Bh4 Rf4 46.Be1 Rd4 47.Nd3 Ra4 48.Bg3 Ra3 49.Nf4 Nb4 (49...Nb4 50.Rc1 a5-+) 0–1. Robertshaw,Andrew M (2185) – Carroll,Patrick J (2240), NCCC Club Ch corr, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 f6)

    9.0-0 Be7 10.Re1 (10.ab4 Nb4 11.Be4 Qg4=) 10...Nh6 (10...Bd7!?-/+) 11.Be4 Qc4 12.d4 ed4 (12...Nd4 13.Bd4 ed4 14.Nd4=) 13.Bc6 Qc6 14.Nd4 Black has the pair of bishops. 14...Qd7 (14...Qd6!?+= is worth looking at) 15.Qe2 Kf7 (15...Qd8 16.ab4 Kf8 17.Nc3+/-) 16.Qh5 (better is 16.Qc4!? Kg6 17.ab4+-) 16...Kg8= 17.ab4 Nf7 (17...Bb4 Not 18.Re8 Bf8 19.Ba3+/-) 18.Nc3 g6 Black threatens to win material: g6xh5 (18...Ne5 19.Nf3 Ng6+= (19...Bb4 20.Ne5 fe5 21.Re5+-)) 19.Qh4 Ne5 (19...Bb4 20.Ne4 Kf8 21.Nf6+-) 20.Qe4 Kf7? (20...Bd8 21.Nf3 Nf3 22.Qf3+/-) 21.Nd5 White has a strong king attack (21.f4 Nc6 22.Nd5+/-) 21...Bd8+= 22.Rad1 Re8 23.Ne3 White has a king attack 23...Nc4?? allows the opponent back into the game 24.Qh4+- Nb2 25.Ndf5 Nd1 26.Qh7 Kf8 27.Qh8 Kf7 28.Nh6 Ke6 29.Nd1 Kd6 30.Re8 Be7? 31.Ne3+- Kc7?? the final mistake, not that it matters anymore 32.Re7! (32.Re7 Qe7 33.Nd5 Kd7 34.Ne7 Ke7 35.Ng8 Kf7 36.Qh7 Ke6 37.Qg6+-) 1–0. Oleksienko,Michailo (2205) – Jaroshenko,Stanislav, UKR–ch sf U16, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    9.0-0 Qf7 10.ab4 Bb4 11.Ra4 -/+.

    9.0-0 Qf7 10.Re1 +=.

    8.Bd3 Nf6

    9.0-0 Bc5 10.Ne5 (10.ab4!? Be7 11.Re1 Bb4 12.Ne5+/-) 10...Ne5+= 11.Be5 0-0 (11...Qe5 12.Re1 Ng4 13.Re5 Ne5 14.Be4+-) 12.Bb2 (12.Bf6 Qf6 13.Ra2 a5+=) 12...Qd6 (12...Ng4 13.Be2 Nf2 14.Rf2 ba3 15.Ra3 Bf2 (worse is 15...Ba3 16.Ba3 Rd8 17.d4+=) 16.Kf2 Re8=) 13.Be2= Bd4 14.Bd4 Qd4 15.Ra2 Be6 (15...Bg4 16.d3 Be2 17.Re2=) 16.d3 ba3 17.Na3 Rfd8 18.Qb3 Qd7 19.Rd1 Rab8 20.Qb4 b5 21.Rb2 a5 (21...a6!?=) 22.Qa5+= Ra8 23.Qb4 bc4 24.Nc4 Bc4 25.Qc4 Rac8 26.Qh4 Nd5 27.Bf1 Qf5 28.d4 Nf4 29.Rbd2 (29.Rb5 Qc2 30.Rbb1 Qf5+=) 29...Rd6 30.Qe7 Rh6 (30...Rcd8 31.g3 Qe6 32.Qh4+=) 31.Qb7 (31.Rc1 Rf8 32.Qe3 Nd5+/-) 31...Rf8 32.g3 Qh5 (32...Nh3 33.Bh3 Qh3 34.f4+=) 33.f3 (better is 33.h4 Qg4 34.Kh2+/-) 33...Re6?? 34.Rf2 Rg6 35.Ra1 Nh3 36.Bh3 Qh3 37.Ra8 Re6 38.Rf8 Kf8 39.Qb4 Ke8?? 40.Ra2 Rc6 41.Ra8 Rc8 42.Qb5 Kd8 43.Qb6 (43.Qb6 Ke8 44.Qc6 Kd8 45.Qd6 Ke8 46.Qe5 Kd8 47.Qg7 Ra8 48.Qf8 Kd7 49.Qa8+-) 1–0. Oleksienko,Michailo (2205) – Derjabin,Ilja (2290), UKR Summer Youth Games, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    9.0-0 Bc5 10.Ne5 (better is 10.ab4!? Nb4 11.Ne5=) 10...Ne5+= 11.Be5 0-0 (11...Qe5 12.Re1 Ng4 13.Re5 Ne5 14.Be4+-) 12.Bb2? (12.Bf6 Qf6 13.Ra2 Bd6+=) 12...Rd8 (better is 12...Ng4!? 13.Be2 Nf2 14.Rf2 Bf2 15.Kf2 ba3 16.Ra3 a5=) 13.Be2 (13.ab4 Bb4 14.Qb3 a5=) 13...Qb6 14.ab4 Bb4 15.d4 Bf5 16.Nd2 a5 17.Nf3 Rac8 18.Ra2 Be6 19.d5? (19.Ne5 Qc7 20.Qa1 Qe7=) 19...Bg4?? (better is 19...Nd5 20.cd5 Bd5-+) 20.Bd4 Bc5 (20...Qd6!? 21.Ne5 Be2 22.Qe2 Re8+=) 21.Rb2 Qa6 22.Bc5 Rc5 23.Qd4 Rdc8 24.Rfb1 Bf5 25.Rb6 Bb1 (25...Qa8!? 26.R1b3 a4+=) 26.Ra6+/- ba6 27.Nd2 Bc2= 28.d6 a4 29.Bg4 Bf5? 30.d7 Bd7+/- 31.Bd7 Nd7 32.Qd7 a3 33.Qa4 Rd8 34.Nf1 Rdc8 35.Ne3 f5 36.g3 a5 37.Qa3 Kh8 38.Qd3 Rf8 39.Qd6 Rfc8 40.Qd7 Rf8 41.h3 h6 42.g4 fg4 43.hg4 Rfc8 44.f3 R5c7 45.Qa4 Rc5 46.Kf2 Kh7 47.f4 Kh8 48.Kf3 Kh7 49.Ke4 Rd8 50.Nd5 Rdc8 51.Nb6 R8c7 52.Kd4 Kh8 53.Qa3 R5c6 54.Qa5 1–0. Hrabinska,Myroslava (2115) – Kuzubov,Yuriy, UKR–chT Alushta, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    9.0-0 Qd6 10.Qb3 Bg4 11.c5 Qc5 12.Bc4 0-0-0 13.ab4= Qb4 14.Ne5 Na5?? (better 14...Ne5 15.Be5 Qb3 16.Bb3 Bd6 17.Bf6 gf6 18.Ra7 Be6=) 15.Ra5+- Qa5 16.Nf7 Bb4? (16...Bc5 17.Be6 Be6 18.Qe6 Kb8 19.Nh8 Rh8 20.Be5 Ka8 21.d4+-) 17.Nh8 (17.Rc1!? h5 18.Bf1 Kb8 19.Be5 Ka8+-) 17...Rh8 18.Rc1 Kb8? (better 18...h5+-) 19.Qg3 Ka8 20.Bf6 Bd2 21.Rf1 (21.Bc3 Bc3 22.Nc3 h5+-) 21...Bf5 (21...gf6 22.Nd2 h5 23.Qe3+-) 22.Nd2 (22.Qg7 Rc8 23.Nd2 Qd2+-) 22...Qd2 (22...gf6 23.Qe3+-) 23.Qf3 (23.Bg7 Rc8 24.Qh4 Qb4+-) 23...Qc2 (23...gf6 24.Qf5 Qd4 25.Bd5+-) 24.Bg7 Rc8 (24...Re8 25.Bd5 Be4 26.Qf7+-) 25.Bd5 Rc7 (25...Rb8 26.g4 Bd7 27.Be5+-) 26.Be5 Rd7 27.g4 (better 27.Be6! Be6 28.Qf8 Rd8 29.Qd8 Qc8+-) 27...Qd3 28.Bb7! (worse 28.gf5 Rd5 29.Qh5 A) 29...Re5?? 30.Rd1 (30.Qh7?! Qe4=) 30...Qd1 31.Qd1+-; B) 29...Qb5+-) 28...Rb7 29.Qf5 Qd8 (29...Qf5 30.gf5 Re7+-) 30.Rc1 (30.Rc1 Qb8 31.Bb8 Rb2 32.Qd5 Kb8 33.Qd6 Ka8 34.Rc8 Kb7 35.Rb8) 1–0. Schultz Pedersen,J (2055) – Laustsen,L (2215), Xtracon Chess Open, 2018. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6)

    9.0-0 Qd6 10.Qb3 Bg4 11.c5 Qc5 12.Bc4 Qe7 13.ab4 (13.Re1!? Bf3 14.Qf3 ba3 15.Na3=+) 13...Bf3-+ 14.b5 Bg2 15.Re1 Nd7 (15...Nd4 16.Bd4 Be4=) 16.Kg2 Qg5 ½–½. Magellen (2665) – juliangon (2575), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6)

    9.0-0 Qd6 10.Qc2 (10.Qe2!? Bg4 11.Re1+=) 10...Bg4-/+ 11.Ng5 Rd8 12.Be4 h6 13.Nf3 Ne4 14.Qe4 Bf3 15.Qf3 Qd3 16.Re1 Qf3 17.gf3 f6 18.f4 ba3 19.Bc3 Bc5 20.fe5 fe5 (worse is 20...Ne5 21.Be5 fe5 22.Re5 Be7 23.Ra3=) 21.Be5 0-0 (21...Ne5?! 22.Re5 Be7 23.Ra3=) 22.Bg3 Nd4 (22...Nd4 23.Rd1 Ne2 24.Kg2 Nf4 25.Kh1 Rd3-+) 0–1. Hrabinska,Myroslava (2275) – Huschenbeth,N (2465), 13th Dubai Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    9.0-0 Be7 10.Re1 Qd6 11.Qb3 0-0 (11...Nd7 12.ab4 Qb4 13.Qc2=) 12.Ne5 Be6 13.ab4 (13.Nc6 bc6 14.Be5 Qc5 15.ab4 Qb4+=) 13...Rfd8 14.Bf1 (14.Nc6 bc6 15.Bf6 Bf6=) 14...Qb4 15.Qc2 Ne5 16.Re5 Ng4 17.Rh5 g6 18.Rb5 Qd6 19.g3 Bf5 20.Qb3 Bf6 (20...Be4 21.h3 Nf6 22.Qe3+=) 21.Rd5 (21.h3 Ne5 22.c5 Qc6=) 21...Qb6 (better 21...Qe6!? 22.f3 Ne5 23.Rd8 Rd8-/+) 22.Qb6+- ab6 23.Ra8 Ra8 24.Nc3 Ne5 25.Be2 (25.Kg2 Rc8 26.Rd6 A) 26...Nc4? 27.Bc4 (27.Rf6?! Nb2 28.Rb6 Nc4 29.Bc4 Rc4=) 27...Be5 28.Rd5+-; B) 26...Rc6+=) 25...Nc6 (25...Be6!?=) 26.Rb5 Bd4 (26...Re8 27.Bf1 Nd4 28.Rb6 Nf3 29.Kg2=) 27.g4 (27.Kg2 Ra5+-) 27...Bc2 28.Kf1 Ra5 29.Rd5 Rd5 30.cd5 Nb4 31.Bc4 ½–½. GoBoSox (2865) – juliangon (2700), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Nf6)

    9.0-0 Be7 10.Re1 e4 11.Ng5= Qg4 (11...Qd7 12.Bc2=) 12.Qg4 Bg4 13.Ne4 0-0-0 14.Nf6 (14.Bc2 Ne8=) 14...Bf6=+ 15.Bf6 gf6 16.Be4 b3 17.Nc3 Rd2 18.Rab1 (18.Bc6 bc6 19.Rab1 b2=) 18...Nd4-/+ 19.f3 Be6 20.Red1 Rd1 21.Rd1 Rd8 22.Nd5 (22.Bd5 Nc6-/+) 22...Nc2 (22...f5!? 23.Rd4 fe4 24.fe4 b2-/+) 23.Bc2 bc2 24.Rc1 Bd5 25.cd5 Rd5 26.Rc2 Kd7 27.Kf2 Rd3 28.Rb2 b6 29.a4 Ra3 30.Rb4 Ra2 31.Kg3 Kc6 (31...f5!?=+) 32.Rf4= Kc5 (32...Kd6 33.Rf6 Ke7 34.Rf4=) 33.h4 (33.Rf6 Ra4 34.Rf7 h6=) 33...a5 (33...Rd2 34.Rf6 Rd7 35.Rf4=) 34.h5 h6 (34...Kd6 35.Rf6 Ke7 36.Rb6 Ra4 37.Rh6+=) 35.Rf6 Ra4 36.Rf7 (36.Rh6 Ra1 37.Rf6 Rh1+=) 36...Ra1 (36...Rd4 37.f4=+) 37.f4 (37.Rc7 Kd5 38.Rh7 b5+=) 37...b5 38.f5 (38.Rc7!? Kd5 39.Rh7=) 38...b4 39.f6 Rf1 40.Ra7? (better 40.Rf8-/+) 40...Kb6-+ (40...Rf6?! 41.Ra5 Kc4 42.Ra4-+) 41.Rf7 (41.Ra8 Rf6 42.Kh4-+) 41...b3 42.Rf8 Kb7 43.Rf7 Kc6 44.Ra7 (44.Rf8 b2 45.Rb8-+) 44...Kb6 (better 44...b2 45.f7 b1Q 46.Ra6 Kb5-+) 45.Ra8 Kb7 (better 45...Kb5!? 46.Rb8 Ka4 47.Rb6-+) 46.Ra5 Kb6?? (46...Kc6 47.Ra6 Kc5 48.Ra5 Kc4 49.Ra4 Kc3 50.Ra8-+) 47.Ra8?? (47.Ra3 Rf6 48.Rb3 Kc5+-) 47...Kb7?? (47...Kc7 48.Ra7 Kc6 49.Ra6 Kc5 50.Ra5 Kc4 51.Ra4 Kc3 52.Ra8-+) 48.Ra5?? (48.Ra3 b2 49.Rb3 Kc6 50.Rb2 Rf6+/-) 48...Kb6?? (48...Kc6 49.Ra6 Kc5 50.Ra5 Kc4 51.Ra4 Kc3 52.f7 Rf7 53.Ra6-+) 49.Ra8?? (better 49.Ra3 Rf6 50.Rb3 Kc5 51.Rb8+-) 49...Kb7?? (better 49...Kc7 50.Ra7 Kc6 51.Ra6 Kc5 52.Ra5 Kc4 53.Ra4 Kc3-+) 50.Ra5 ½-½. Serrano Ruiz,Lope (2015) - Moreno Ruiz,J (2425), Gran Canaria May Blitz, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4)

    9.0-0 Bd6

    10.Re1 ba3 11.Na3 0-0 12.Nb5 Bb8 13.Qb1 h6 14.Nbd4 Nd4 15.Bd4 Rd8 (15...Nd7 16.Qb2=) 16.Be5 Be5 17.Ne5 Qd6 18.Re3 b6 19.Be4 Ne4 20.Qe4 Be6 21.Rd3 Qc7 22.Rg3 Qc5 23.Nc6 (23.d3 Qd4 24.Qe1 Rdc8=) 23...Rdc8=+ (worse 23...Qc4 24.Qe5 g6 25.Rc3+-) 24.Ne5 (24.Ra7 Qc6 25.Qe5 g5 26.Rg5 hg5 27.Qg5 Kh7 28.Qh5 Kg7 29.Qg5 Kh8 30.Qh4 Kg7 31.Qg5 Kf8 32.Qh6 Kg8 33.Qg5 Kh7 34.Qh5 Kg7 35.Qg5=) 24...Rd8 (24...Bc4 25.d4 Qe7 26.Qg4=+) 25.d3= Qd4 26.Qe1 Re8 27.Re3 Bf5 28.Rd1 Re6 29.Nf3 Qc5 30.Re6 Be6 31.Qe4 Rd8 32.Qh4 Rd7 33.h3 a5 34.Qf4 Rd8 35.Ne5 Qc7 36.Qe3 a4 37.Ra1 Ra8 38.Qe4 Ra5 39.Nc6 Rc5 40.Nb4 Qa7 41.Nd5 b5 42.Nc3 Qd7 (better 42...Rf5!? 43.Qe1 bc4 44.Ra4 Qd4 45.dc4 Re5=) 43.Nb5+- Bf5 44.Qe3 Rc8 45.Ra4 Qd3 (45...Bd3 46.Qf4 Qc6 47.Nd6 Qa4 48.Qf7 (48.Nc8?! Qc4 49.Ne7 Kh7 50.Qc4 Bc4=) 48...Kh7 49.Nc8 Qa1 50.Kh2+-) 46.Qd3 Bd3 47.Nd6 Rc6 48.Ra8 Kh7 49.Nf7 Rc5 50.Ra3 Bg6 51.Nd6 Rc6 52.c5 Rc5 53.Re3 Rc6 54.Nb5 Rc5 55.Nd4 Rd5 56.Ne2 Rd7 57.Kh2 Bf7 58.f4 g6 59.Ng1 Kg7 60.Nf3 Ra7 61.g4 Rb7 62.Kg3 Bd5 63.Nd4 Kf6 64.Re5 Bf7 65.Rc5 Ra7 66.Rc6 Kg7 67.Rd6 Ra3 68.Kh4 Re3 69.Rd7 Kf8 70.Nc6 Be8 71.Rd8 Kg7 72.Nd4 Bf7 73.Rd6 Ra3 74.Rd7 Re3 75.g5 hg5 76.fg5 Kg8 77.Kg4 Be6 (77...Kf8 78.Rd8 Be8 79.Nf3+-) 78.Ne6 Re6 79.Kf4 Re1 80.h4 Rh1 81.Kg3 Rg1 82.Kh2 Rg4 83.Kh3 Rg1 84.Rd4 Kg7 85.Kh2 Re1 86.Kg2 Re3 87.Rf4 Ra3 88.Rf3 Ra4 89.Kg3 Rb4 90.Rf4 Rb3 91.Kg4 Rb1 92.Rc4 Rf1 93.Rc7 Kg8 94.Rb7 Rf2 95.Rb8 Kg7 96.Rb7 Kg8 97.Rb5 Kg7 98.Ra5 Rf1 99.Ra7 Kg8 100.Rc7 Rf2 101.h5 (better 101.Kg3!? Rf1 102.Rb7+-) 101...Rg2+= 102.Kf4 gh5 103.Kf5 Rf2 104.Kg6 Rf8? (better 104...h4!?=) 105.Rg7 (105.Kh5 Re8+-) 105...Kh8 106.Rf7 Ra8 107.Kh5 Kg8 108.Kg6 (108.Re7 Ra1+-) 108...Rb8 (108...Ra6 109.Rf6 Ra7 110.Rd6 Rg7 111.Kh5 Rh7 112.Kg4+-) 109.Rg7 Kh8 110.Rd7 Kg8 111.Rd6 Ra8 112.Kh6 Rb8 113.Rg6 Kh8 114.Rc6 Kg8 115.Kg6 Ra8 116.Re6 Rb8 117.Ra6 Rc8 118.Kf6 (118.Kh6!? Re8+-) 118...Rf8+- 119.Ke7 (better 119.Ke5!?+-) 119...Kg7 120.Ke6 Kg6 121.Ke7 Kg7 122.Ra2 Rf4 123.Re2 Kg6 124.Ke6 Kg5 125.Rg2 ½–½. Bortnik,Alexandr (2345) – Mirzoev,Emil (2035), Mukachevo Ukraine, ChampionshipU14, 2010. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 Nc6 6.Bb2 e5 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6)

    10.Re1 0-0

    11.Qe2 e4 12.Be4 Qe4 13.Qe4 Ne4 14.Re4 Bf5 15.Re3 Bf4 16.d4? (better is 16.Re1!?+=) 16...Be3-+ 17.fe3 Rfc8 18.Nbd2 Bd3 19.d5 Na5 20.c5 Nc4 21.Nc4 Bc4 22.ab4 Bd5 23.Nd4 a5! 24.Nf5 (24.Ra5 Ra5 Combination; 24.ba5 Rc5 Deflection) 24...Rc7 25.Ng7 Ra6 (better is 25...Be4!?+=) 26.Nh5 Bc4 27.Rd1 (27.Nf6 Kf8 28.Ra5 Ra5 29.ba5+/- (worse is 29.Nh7 Ke8 30.Nf6 Kd8 31.ba5 Rc5+=)) 27...f5+= 28.Rd4 Be6?? (28...Bb5 29.Rd8 Kf7 30.Rh8=) 29.b5?? (better is 29.Rd8 Kf7 30.b5 Rc5 31.ba6 ba6 32.Ra8+-) 29...Ra8= 30.Nf6 Kf7 31.Nh7 Kg6 32.Rd6= Kh7 33.Re6 Rc5 34.Re7 Kg6 35.Rb7 a4 36.Bd4 Rc2 37.b6 a3 38.Ra7?? Ra7-/+ 39.ba7 Rc8 40.Kf2 a2 41.Ke2 Ra8 0–1. Cibej,Marjan (1885) – Vidic,Miha (1995), SLO–chT2 West, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0)

    ...11.ab4 Nb4

    12.Ne5 Nd3 13.Nd3 Qc4 14.Ne5 Qb5 15.Bd4 Qd5 16.Bc3 Re8 17.Ra5 b5 18.d4 Bc7 19.Ra1 a5 20.Nd2 Bb7 21.Ndf3 Ne4 22.Qc2? (22.Bb2-+) 22...Rec8 (22...Nc3?! 23.Qc3 Rec8 24.Qd3-+) 23.Re4 Qe4 24.Qe4 Be4 25.Re1 Be5 26.Re4 Rc3 27.Re5 Rc1 28.Re1 Re1 (28...Rac8 29.Kf1 a4 30.d5-+) 29.Ne1 b4 30.Kf1 (30.Nf3 b3 31.Nd2-+) 30...b3 31.Nd3 a4 0–1. Klawitter,Bernd – Belitz,Marco (2005), Open_2002 Gr.15, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6)

    12.Bf1 Qf5 13.Ne5 Nc6 14.d4 Ne5 15.de5 Bc5 16.Bd4 Nd7 17.Nc3 Kh8 18.Nd5 a6 19.Bc5 Nc5 20.Nb6 Rb8? (better is 20...Be6 21.Qd6 Rac8 22.Nc8 Rc8+-) 21.Qd6 (21.Qd6 Be6 22.Qc5+-; 21.Nc8?! Rbc8 22.g3 Rfd8+=) 1–0. Spencer,Edwin A (2130) – Sreeves,Clement (1730), East of Scotland, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4)

    ... ...12.Bf1 e4

    13.d3 Bc5 14.Nbd2 Qb6 15.d4 Nc6 16.Rb1 ef3 17.dc5 Qc5 18.Qf3 Qh5 19.Qb3 Bf5 20.Ra1 Rad8 (better is 20...Qh6!? 21.Qb5 Bc8+=) 21.Bf6+= Rd2 22.Qb7 gf6 (22...Rd6 23.Be5 Ne5 24.Re5 Rh6+/-) 23.Qc6+/- Qg6 24.Ra7 Kg7 25.Ra3 Kh8 26.Rg3 Qh6 27.Re8 Be6?? (better is 27...Rd8 28.Rd8 Rd8+-) 28.Qa8 (28.Qa8 Qg6 29.Rf8 Kg7 30.Rg8 Kh6 31.Qf8 Kh5 32.Qc5 Kh6 33.Qe3 Kh5 34.Qd2 Kh4 35.R8g6 Bg4 36.R3g4 Kh5 37.Qh6) 1–0. Zajarnyi,Anatolyi (2415) – Kravets,Ivan (2330), Lviv, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Bc5 14.Nbd2 Nc6 15.Ne4 (15.Bf6!? Qf6 16.Ne4+= (worse 16.Re4 Rd8=+)) 15...Ne4= 16.Re4 White gets the initiative 16...Qg6 17.Nh4 (17.Qb3 Rd8=) 17...Qd6 18.d4 f5 19.Re2 Bd4 (19...Rd8 20.Nf3 Qg6 21.Qe1+=) 20.Rd2 Qf6 21.Rd4 (worse 21.Bd4 Qh4 22.c5 Be6=+) 21...Nd4 22.Qd4 Qd4 23.Bd4 f4 (23...a5 24.c5 h5 25.Re1+-) 24.h3 (24.Ra7!? Ra7 25.Ba7 Rd8+-) 24...a5+/- 25.Re1 (25.Re1 Rd8 26.Nf3+/-) 1-0. battousai - alfastar (2855), net-chess.com, 2022. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4)

    13.d3 Qd7 14.de4 Bc5 15.Bf6+= Qd1 16.Rd1 gf6 17.Nc3 Be6 18.Nd5 Kg7 19.Nb4 Bb4 20.Nd4 a5 21.Ne6 fe6 22.Bd3 Rfd8 23.Bc2 Rd1 24.Rd1 a4 25.Bb1 a3 26.Ba2 Bc5 27.Kf1 b6 28.Ke2 h5 29.f4 Kg6 30.Kf3 Ra4 31.Rd2 Rb4 32.Re2 e5 33.Rd2 Bd4 34.Re2 ef4 35.Kf4 Be5 36.Kf3 Bh2 37.g4 hg4 38.Kg4 Be5 39.Re3 Ra4 40.Kf3 Ra8 41.Rd3 Rh8 42.Kg4 Bb2 43.c5? (better is 43.Rg3-+) 43...bc5 44.Rd7 Rh1 45.Be6 Rg1 46.Kf3 Kh6 47.Ra7 Rf1 48.Ke2 Ra1 49.Kf3 Rf1 50.Ke2 Rf4 51.Bf5 Rh4 (better is 51...Rf5 52.ef5 Kg5-+) 52.Kf3 Bc1 53.Kg3 Kh5 54.Rh7 Bh6 55.Ra7 Bf4 56.Kf3 Bc1 57.Rh7 Bh6 58.Ra7 Rf4 59.Ke2 Rh4 (better is 59...Rf5 60.ef5 Kg5-+) 60.Ra3 Rh2 61.Kd3 Kg5 62.Kc4 Bf8 63.Rd3 Rc2 64.Kb3 Rc1 65.Rd8 ½–½. Kravtsiv,Martyn (2495) – Tihonov,Jurij (2520), Lvov Vasylyshyn Memorial, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Qd7 14.de4!? Ne4 15.Qb3 -/+.

    13.d3 Qd7 14.de4 Ne4 15.Nc3 Nf2 16.Qd4 Nfd3! 17.Bd3 Nd3 18.Ne4 White intends c5 18...Bh2! (worse 18...Nb2 19.Nd6 Nc4 20.Nc4 Qd4 21.Nd4+=) 19.Kh2 (19.Nh2 Qd4 Double attack; 19.Kh2 Qd4 Combination) 19...Qd4 (19...Ne1?? 20.Qg7) 20.Bd4 (20.Nd4? Nb2 21.Nd6 Nd3-+) 20...Ne1 21.Ne1 b6 22.c5 Rd8 23.Nd6 bc5 (23...a5 24.Nf3 bc5 25.Bc5-+) 24.Bc5-/+ a5 25.Nf3 (25.Nc4!?-/+) 25...a4-+ 26.Ne5 Be6 27.Ba3 Rdb8 28.Nc6 Rb3 29.Ne4 h6 30.Nc5 Re3 31.Nd4 Bd5 32.Kg1? (32.Bb4 a3 33.Nc2 Re2 34.Na3 Rg2 35.Kh3 Rb2-+) 32...Kh7 (better 32...Rg3!? 33.Nf3 Bf3 34.Kf2 Rg2 35.Kf3-+) 33.Kf2 Rc3 34.g3 Ra5 35.Nd7 Rd3 36.Ne2? (36.Bb4 Ra8 37.Bc5-+) 36...Bc6 37.Nc5 Ra3! (37...Ra3 38.Ra3 Rc5-+) 0-1. Hrabinska,Myroslava (2240) - Martin,Julian (2360), 30th Czech Open A, 2019. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4)

    13.d3 Qd7 14.de4 Ne4 15.Nd4 Re8 16.Nc3 Nc3 17.Re8 Qe8 18.Bc3 Bf8 19.Nb5 Qd7 20.Qd7 Bd7 21.Ra7 Ra7 22.Na7 Bc5 23.Nb5 ½–½. Gerasimov,Vladimir Nikolaevic (2475) – Felkel,Siegfried (2375), GER/Ma01 (GER), 2012. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Qd7 14.Bf6 ef3-+ 15.Bc3 (15.Be5 fg2 16.Bg2 Be5 17.Re5 Qd4-/+ (17...Nd3?! 18.Rd5 Nf2 19.Rd7 Nd1 20.Rd1+=; 17...Qd3?! 18.Qd3 Nd3 19.Re7-/+)) 15...fg2 16.Bg2 Nd3! 17.Re3 (17.Qd3 Bh2 Double attack) 17...Nf4 18.Rg3 f6 19.Nd2 Ng2 20.Rg2 Be5 21.Be5 fe5 22.Qe2 b6 23.Qe5 Bb7 24.Rg3 Rae8 25.Qc3 Re7 (better is 25...a6-+) 26.Nf3?? (better is 26.Ra7 Qc6 27.f3 Qc5 28.Kf1-/+) 26...Rf3-+ 27.Rf3 Qc6 (27...Bf3?! 28.Qf3 Qe8 29.Qd5 Kh8 30.Qf5-+) 28.Ra3 Qg6 29.Kf1 Rc7?? 30.Qa1?? Bf3-+ 31.Rf3 Rc4 32.Qa3 h6 33.Rg3 Qb1 34.Kg2 Qe4 35.Kh3 Rc5 36.Qb3 Kh7 37.Rg4 Rh5 38.Kg3 Qe5 39.f4 Qe1 40.Kf3 Qf1 41.Ke3 Rh2 42.Rg7 Kg7 43.Qc3 Kg6 44.Qc6 Kh5 45.Qe8 Kh4 46.Qe7 Kh3 47.Qe6 Kg2 48.Qd5 Kg1 49.Qg8 Rg2 (49...Rg2 50.Qg2 Kg2-+) 0–1. Yakivchik,M (2305) – Kurenkov,N (2455), inAUTOmarket Open, 2005. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Rd8 14.Qb3 Qf5 15.de4 Ne4 16.Nc3 (better is 16.Qe3!? Re8 17.Nbd2-/+) 16...Nf2!-+ 17.Nb5 (17.Kf2 Nd3 Double attack (17...Qc2 Decoy)) 17...Bc5 18.Nbd4 Nfd3 (better is 18...Ng4!? 19.Kh1 Qg6-+) 19.Re3-/+ Qf4 20.Rd3 Nd3 21.Qd3 Bg4 22.Rd1 Bf3 23.gf3 (23.Qf3 Bd4 (23...Rd4?! 24.Bd4 Bd4 25.Kh1 Qf3 26.gf3-+) 24.Bd4 Rd4 25.Qb7 Qe3 26.Kh1 Re8 27.Rd4 Qd4-+) 23...Rd6 24.Kf2 (24.Kh1 Bd4 25.Qe4 Qe4 (worse is 25...Bb2 26.Qf4 Rd1 27.Kg2-+) 26.fe4 Rad8-+ (26...Bb2?! 27.Rd6 b6 28.Bh3-+)) 24...Rad8 25.Qe2 (25.Qe4 Qh2 26.Bg2 Rg6-+) 25…Qh4 (25...Qh4 26.Kg2 b6-+ (26...Rd4?! 27.Bd4 Bd4 28.Qe4 Qf2 29.Kh3-+)) 0–1. Oleksienko,M (2305) – Guerrero Arroyo,P (2075), EuYCh B16 Peniscola ESP, 2002. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Rd8 14.Nbd2 Be7 15.Ng5 (15.Bf6 Qf6 16.Ne4 Qh6=) 15...Qg4 16.Nde4 Ne4 (16...Qd1 17.Red1 Ne4 18.Ne4+=) 17.Ne4 (17.Qg4 Bg4 18.Re4 Bg5 19.Rg4 Bh6=) 17...Qd1 18.Rad1 Nc2 (18...a5 19.Re3=) 19.Re2= Nd4 20.Bd4 Rd4 21.Nf6 gf6 22.Re7 Bd7 23.g3 a5 24.Bg2 Bc6 25.Rc7 a4 26.Bc6 bc6 27.Rc6 a3 28.c5 (28.Rb6 a2 29.Ra1 Rd3=) 28...a2 29.Ra1 Rd3 30.Rb6 Rd2 31.c6 Rc2 32.h4 Kf8 33.Kg2 Ke7 34.Rb7 Kd6 35.Rf7 Kc6 36.Rf6 Kc5 37.Rf7 Kc6 38.Rh7 Rb2+= 39.Rc1 Kd6 40.Rd1 Ke6 41.Re1 Kf6 42.Ree7? Rf2!!-+ 43.Kf2 a1Q 44.Ref7 Ke6 45.Re7 Kd6 46.Rd7 Kc6 47.Rc7 Kb6 48.Rb7 Ka6 49.Rbf7-/+ Qc3 50.Rh6 Kb5 51.Rh5? Kb4 52.Rf4-/+ Kb3 53.Rf3?? Ra2 (53...Ra2 54.Kg1 Qf3 55.Rb5 Kc4 56.Rb4 Kb4 57.h5 Qd1) 0–1. Chulivska,Vita (2045) – Dolzhikova,Kateryna, UKR–ch U14 Girls, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Rd8 14.Nbd2 Bf4 15.Bf6 Qf6 16.Ne4 Qe6 17.Qb3 a5 18.d4 b6 19.g3 Bh6 20.Bg2 Ba6 21.Ne5 (better is 21.Ned2 Qd7 22.Rad1=) 21...Qe7?? (better is 21...Rac8 22.Qd1 Bc4+=) 22.Rad1?? (better is 22.Ng4 Kh8 23.Nh6 gh6 24.Nd2+-) 22...Rac8 23.c5 bc5 24.Nc5 Rd6 (better is 24...Qf6!?+/-) 25.Na6 Ra6 26.Bf1 (26.Nc6 Nc6 27.Re7 Ne7+-) 26...Rf6 27.Bc4 Nc6 ½–½. Herbold,Manfred (2155) – Ngo Tan,Don (2010), Budapest FS06 FM–A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Nf3 e5 6.Bb2 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6 10.Re1 0-0 11.ab4 Nb4 12.Bf1 e4)

    13.d3 Rd8 14.Nbd2 Qg4 15.Bf6 gf6 16.Ne4 Be7 17.Ng3 Bf8 18.Re4 Qg6 19.Ra5 Bg4 20.h3 f5 21.Re1 Nc6 22.Ra2 Bf3 (better is 22...f4!? 23.Ne4 Bh3+=) 23.Qf3+/- (23.gf3? f4 24.Re4 Rd4-+ (24...fg3?! 25.Rg4 Bc5 26.Kg2 gf2 27.f4+=)) 23...Nd4 24.Qb7 Rab8 25.Qa7 f4 26.Ra6 f6? (better is 26...Nc6 27.Qc7 fg3 28.Rc6 gf2 29.Kf2 Bd6 30.Rd6 Rb2 31.Re2 Re2 32.Be2 Rd6 33.Qb8 Kg7 34.Qb2 Qf6 35.Qf6 Kf6+/-) 27.Re4+- fg3 28.Rg4 (28.Rd4?! gf2 29.Kh2 Rd4 30.Qb8 Qg5+-) 28...gf2 29.Kf2 Bg7 30.Rg6 (30.Rd4?! Re8 31.Rg4 Qh6+-) 30...hg6 31.Be2 (better is 31.g4 g5+-) 31...Ne2 32.Ke2 Rb2 33.Ke1 Rd3 34.Ra2 Rbb3 35.Re2 Rd8 36.c5 f5 37.Qa2 Rdd3 38.c6 Kh7 (38...Bc3 39.Kf2 Bd4 40.Kf1+-) 39.Re7 Kh6 (39...Re3 40.Re3 Re3 41.Kd2 Rc3+-) 40.Rg7! Kg7 41.c7 Rbc3 42.Qa7 Kh6 43.Qb8 Rc1 44.Kf2 Rdc3 45.Qh8 Kg5 46.Qd8 (better is 46.h4!? Kg4 47.Qf6 R3c2 48.Ke3 Rc3 49.Kd4+/-) 46...Kh6= 47.Qh8 Kg5 48.h4 Kg4 49.Qf6 R3c2 50.Ke3 Rc3 51.Kd4 Kg3 52.Qg5 Kh2 53.Qg6 Rc7 54.Qf5 Kg2 55.Qg4 Kh2 56.Qf4 ½–½. Zajarnyi,Anatolyi (2395) – Ananchenko,Igor (2285), Pardubice Czech op, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6 8.Bd3 Nf6 9.0-0 Bd6)

    13.d3 ef3?? 14.Re6+/- fe6 15.g3 e5 16.Qb3 (16.Qf3? Ng4 17.Qd1 Rf2-+) 16...Kh8 17.Nd2 a5? (17...Nd7 18.Qd1+/-) 18.Nf3 Ng4 19.Bg2 Bf5 20.h3 Nf6? (better is 20...Nf2!? 21.Kf2 a4 22.Ra4 Nd3 23.Ke2 Nc5 24.Ra8 Nb3 25.Rf8 Bf8 26.Ne5 Nc5+/-) 21.Be5 Bc5 22.d4 Be7 23.Ne1 Be4 (23...Ra7+-) 24.Bf6 (24.Bf6 Bf6 25.Ra5 (worse is 25.Be4 Bd4 26.Rd1 Bf2 27.Kh2 Rae8+-) 25...Ra5 26.Qb4+- (26.Be4 Bd4 27.Qb4 Rf2=)) 1–0. Zajarnyi,Anatolyi (2355) – Ionescu,Constantin (2280), Bucharest Dreptatea, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5 6.Nf3 Nc6 7.c4 Qe6)

    5.a3 Bf5

    6.ab4 Qe4 7.Be2 Qc2 8.Qc2 Bc2 9.Nc3 Nc6 10.b5 (better is 10.Nd5!? Rd8 11.Ne3+=) 10...Nb4-/+ 11.b6 a6 12.Nb5 Rc8 13.Nc7 Kd8 14.Nf3 Nd3 15.Bd3 Bd3 16.Ne5 Bg6 17.Ra4 Rc7 18.bc7 Kc7 19.Rc4 Kd6 20.Ng6 hg6 (20...fg6 21.Rd4 Kc6 22.Ke2+-) 21.Rc8 Nf6 22.0-0 Nd5?? (better is 22...Kd5+=) 23.Rfc1 (23.Rd8 Kc5 24.Rc1 Kb4 25.Rd5 e6 26.Bc3 Kb3 27.Rb1 Kc2 28.Rb2 Kd1+-) 23...Nf4 24.Rd8 (24.Rd8 Ke6 25.Re1 Kf5 26.Re5 Kg4 27.f3 Kh4 28.g3 Kh3 29.gf4+-) 1–0. Beltran,Horacio – Mafra,Luis Kaiser, Pan American–ch U16, 1998. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Bf5)

    6.ab4 Qe4 7.Be2 Qc2 8.Qc2 Bc2 9.Bf3 Nc6 10.b5 Nd8 11.Na3 Bd3 12.Ne2 Nf6 13.Bf6 ef6 14.Nf4 Ba3 15.Nd3 Bd6 16.0-0 0-0 17.Rfe1 a5 18.ba6 Ra6 19.Ra6 ba6 20.Ra1 ½–½. Picard,Serge (1990) – Rapinel,Franck (2200), Reims ligue excellence, 2003. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Bf5)

    6.ab4 Qe4 7.Ne2 Qb4 =+.

    6.c4 bc3 7.Nc3 Qa5 (7...Qe6 8.Be2+=) 8.Qf3 Nc6 9.Bb5 Bd7 10.Nd5 Rc8 11.a4 a6 12.Bc3 Qd8 13.Qe3 ab5 14.ab5 Nb8?? (better is 14...Nh6 15.bc6 Bc6-+) 15.Ba5+= Rc1? (better is 15...Bc6 16.Bd8 Bd5 17.Be7 Ne7+/-) 16.Rc1+- Qa5 17.Qe5 f6 18.Qb8 Kf7 19.Qb7 Qb5 20.Qb5 Bb5 21.Rc7 Ke6 22.Nc3 Bd7 (22...Bd3 23.Nge2 Nh6 24.Nd4 Kd6 25.Ncb5 Bb5 26.Nb5 Kd5 27.Ke2+-) 23.d4 (23.Ne4 Bb5+-) 23...Kd6 24.Ra7 e6 25.Nge2 Be7 (25...Bc6 26.f3+-) 26.Kd2 Nh6 (26...f5+-) 27.Ne4 (27.Ne4 Kd5 28.Rd7 Ke4 29.f3 Kf5 30.Re7+-) 1–0. Wagneur,M – Miannay,M (1670), Paris op–2, 1989. (=1.e4 c5 2.b4 d5 3.ed5 Qd5+= 4.Bb2 cb4 5.a3 Bf5)

    6.c4 Qe4 7.Be2 Nc6 8.d4 e6 9.Nf3 Nf6 10.0-0 Qc2 11.Qc2 Bc2 12.d5 Nd8 13.ab4 Bb4 14.Nd4 Be4 15.Nb5 0-0 16.de6 Ne6 17.Ra7 Ra7 18.Na7 Ra8 19.Nb5 Ra2 (better is 19...Nf4!? 20.Bf3 Bf3 21.gf3 Nd7+=) 20.Bf6+= Bb1 21.Rb1 Re2 22.Bc3 (better is 22.Kf1!? Rc2 23.Rb4 gf6 24.Nd6+/-) 22...Bc3 23.Nc3 Rc2 24.Ne4 Rc4 25.Nd6 Rc2 26.Nb7 Nf4 27.Nd6 g6 28.Ne4 f5 29.Ng3 Nd3 30.Rf1 Kf7 31.h4 Kf6 32.Nh1 Ke5 33.Kh2 Kf4 34.Kh3 Rd2 35.f3 Ke3 36.Rg1 f4 37.Kg4? (37.Ra1 Re2 38.Ra7 Re1=) 37...h6 (better is 37...Re2!?-+) 38.Kh3 Re2 39.h5 g5 40.Kg4 Nf2 (40...Re1 41.Re1 Ne1 42.Kh3-+) 41.Kf5? (better is 41.Nf2 Kf2 42.Ra1=) 41...Nh1-+ 42.Rh1 Rg2 43.Kg6 Kf3 44.Kh6 g4 45.Kg5 g3 46.Rh4 Rh2?? (46...Rc2 47.Rf4 Ke3-/+) 47.Rf4+= Ke3 48.Rg4? (48.Ra4 Rc2 49.h6 g2=) 48...Kf3 49.h6?? (49.Rf4 Ke2 50.Re4 Kf1 51.Rf4 Rf2-/+) 49...g2 50.Rf4 Ke3 51.Rg4 ½–½. Glaner,Marcus Franz – Franke,Lutz (2135), Vienna op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Bf5)

    6.c4 Qe4 7.Be2 Qg2 8.Bf3 Qg6 9.Bb7 Be4 10.Ba8 Ba8 11.Nf3?? (better is 11.Qa4 Nd7 12.f3=) 11...Qf5-+ 12.Qa4 Bc6 (better is 12...Nd7 13.Ne5 ba3 (13...Bh1?! 14.Qd7 Qd7 15.Nd7 ba3 16.Ra3 Kd7 17.d4-+) 14.Qd7 Qd7 15.Nd7 ab2 (worse is 15...Bh1 16.Na3 Kd7 17.Nb5-+; worse is 15...Kd7 16.Rg1+/-) 16.Ra7 Bh1 17.Nf8 Kf8-+) 13.Qa7 Nd7 14.Qa6?? (14.Rg1 Bf3 15.Qe3-+) 14...Bb7 (better is 14...Qe4 15.Kf1 Bb7 16.Qb7 Qb7-+) 15.Qb7+- e6 16.ab4 Ngf6 17.Ne5 (17.Ne5 Qe4 18.Qe4 Ne4 19.Ra8 Ke7 20.Ra7+-) 1–0. Romashov,Anton – Diak,Grigoriy, UKR–ch sf U14, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Bf5)

    6.d3 e5 7.ab4 Bb4 8.c3 Bc5 9.Nf3 Nc6 10.Be2 0-0-0 11.0-0 f6 (better is 11...Bd3 12.Nbd2 Nf6-+) 12.d4= ed4 13.Nd4 Be4 14.Qa4 (14.Bd3!?+=) 14...Bd4 (14...Nd4?! 15.cd4 Bb6 16.Rc1 Kb8 17.Nc3 Qd4 18.Ne4 Qb2 19.Nc3=; 14...Bg2?! 15.Bg4 Kb8 16.Be6-/+) 15.cd4 Qg5 (better is 15...Bg2!? 16.Bg4 f5-+) 16.g3= Nge7 17.Rd1 Nf5 18.Nd2 Nfd4 19.Ne4 Ne2 20.Kf1 Qh5 21.Nd6 Kb8 22.Qe4 (22.Qc4 Qf3 23.Rd3+=) 22...Rhe8+= 23.Ne8 Re8 24.Qd5 Qh3 25.Qg2 Qf5 26.Qd5 Qh3 27.Qg2 Qe6 28.Qd5 Qh3 29.Qg2 Qe6 30.Qd5 ½–½. Romijn,Bart (1840) – Van Nies,Pauline (2110), Groningen op–A, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Bf5)

    6.Ne2 Nc6 7.ab4? (better is 7.Ng3+=) 7...Nb4-+ 8.Nbc3? (8.Nd4 Qe5 9.Be2 Nc2 10.Nc2 Qb2-+) 8...Bc2 (better is 8...Qb3 9.Nd4 Qb2 10.Bb5 Kd8-+) 9.d4?? (better is 9.Nc1 Bd1 10.Nd5 Nd5 11.Bb5 Kd8 12.Kd1-+) 9...Qb3 (better is 9...Qd7 10.Nf4 Bd1 11.Bb5-+) 10.Nc1 (10.Ra3 Bd1 11.Rb3 Bb3-+) 10...Qb2 11.Bb5 Kd8 12.Qf3 Rc8 (12...Qa1 13.0-0 Nf6 14.N1a2-+) 13.0-0 (13.Ra7 Qc1 14.Nd1 Bd1 15.Qd1 Qg5 16.Rb7 Rc1-+ (16...Qg2?! 17.Rd7 Ke8 18.Rc7 Kd8 19.Rd7 Ke8 20.Rc7 Kd8 21.Rd7=)) 13...Qc3 (better is 13...Qa1 14.N1a2 Qb2 15.Qb7-+) 14.Qb7 Qc7 15.Qf3 (15.Ra7 Be4! 16.Qc7 Rc7 17.Rc7 Kc7-+) 15...Nf6 16.Ne2 e6 17.Rfc1 Bd6 18.h3 Qb6 19.Ba4 Ke7 20.Bc2 Rc2 0–1. Anfruns – Romano,V, Mar del Plata, 1928. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Bf5)

    5.a3 Nf6

    6.ab4 Qe4 7.Be2 Qb4 8.Qc1 Qb6 9.Na3 Nc6 10.Nf3 Bg4 11.h3 Bf3 12.Bf3 e6 13.0-0 Be7 14.Nc4 Qc7 15.Re1 0-0 16.Ne5 a5 17.Nc6 bc6 18.Ra4 Rfd8 19.Bc3 Nd5 20.Bd5 Rd5 (20...ed5?! 21.Qa1 Bf8 22.Ra5=) 21.Qa1 Bf8 22.Re5 Qd7 23.Rd5 ½–½. Grabinsky,V (2285) – Zpevak,P (2420), Czech Open GMA, Pardubice CZE, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.ab4 Qe4!? 7.Be2 Qg2 =+.

    6.ab4 Qe4 7.Ne2 Qb4 8.Ba3 Qb6 9.Nbc3 Nc6 10.Rb1 Qa5 11.Ra1 Qd8 12.h3 g6 13.Ng3 Bg7 14.Bc4 0-0 15.0-0 a6 16.Re1 0–1. Brand,J – Yermolinsky,Alex (2560), US op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.ab4 e6 7.b5 Be7 8.Nc3 Qd8 9.h4 Nbd7 10.Nf3 Qc7 11.Na4 0-0 12.c4 b6 13.Ng5 Bb7 14.Qc2 Qf4 15.Bd3 h6 16.0-0-0? (better is 16.g3 Qc7 17.Ne4-/+) 16...a6 (16...hg5?! 17.hg5 Rfc8 18.gf6 Bf6 19.Bf6 Nf6 20.f3-/+) 17.Bh7 Kh8 18.Bg8 (18.Bg6 fg6 19.Ne6 Qf2 20.Qg6 Qg2 21.Qg2 Bg2 22.Nf8 Bf8 23.Rhg1-+) 18...Kg8 19.Nb6 Be4 (better is 19...Nb6 20.Bf6 Ba3 21.Kb1 hg5 22.hg5-+) 20.Ne4 Nb6 (20...Ne4?! 21.Nd7 Nf2 22.Nf8 Rf8 23.Rhf1 Bh4 24.ba6-/+; 20...Qe4?! 21.Qe4 Ne4 22.Nd7+=) 21.Nc3 (21.Rhe1 Rfc8 22.g3-+) 21...Nc4 22.Rh3 Nb2 23.Qb2 ab5 24.Na2 (24.Rf3 Qd4 25.Kb1 Qh4 26.Nb5 Qg4-+) 24...Qa4 25.Nc3 Qa1 (better is 25...Rfc8 26.Kb1 Rc3 27.Rc3 Qd1 28.Qc1-+) 26.Kc2 Qb2 27.Kb2 b4 28.Nb5 Nd5 29.Rc1 (29.Rf3 Rfb8 30.Nd4 Bf6 31.Rf6 Nf6-+) 29...Rfb8 30.Nd4 Bf6 31.Rc4 Bd4 (better is 31...Rc8 32.Rc8 Rc8 33.Kb3 Bd4 34.f3-+) 32.Rd4 Ra7 0–1. Sanchez Martin,Marc (1985) – Ester Cubinsa,Antoni (1900), Martorell op–B, 1997. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.ab4 e6 7.Nc3 Qd8 8.b5 Nbd7 9.Nf3 Qc7 10.Be2 Bd6 11.0-0 0-0 12.d4 Rd8 13.Bd3 Bf8 14.Qe2 b6 15.Ne4 Bb7 16.Nfg5 h6 17.Nf6 Nf6 18.Ne4 (better is 18.Nf3!?=) 18...Ne4-/+ 19.Be4 Be4 20.Qe4 Qc4 21.Qd3? (better is 21.Rfb1!?-/+) 21...Qd3-+ 22.cd3 Rd5 23.Rfc1 Rb5 24.Bc3 Rc8 25.Bd2 (25.Ra7?? Rc3! 26.Rca1 Rd3-+) 0–1. Lucas,Flavien (2260) – Ramos, Alcobendas op, 1993. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.ab4 Bg4 7.f3 Bf5 8.Nc3 Qd7 9.Bb5 Nc6 10.Nge2 e6 11.Na4 Rd8 12.Nc5 Bc5 13.bc5 a6 14.Ba4 0-0 15.Nd4 Nd4? (better is 15...Ra8!?=) 16.Bd7+/- Nc2 17.Kf2 Rd7 18.Ra4 Rfd8 19.Bc3 Nd5 20.Ba5 Rc8 21.Rc4 b6 22.Rc2 Bc2 23.Qc2 ba5 24.Qa4 Rb7 25.Rc1 Rb5 26.d4 g6 27.h4 Kg7 28.Qc2 Rc6 29.Qe4 a4 30.Ra1 Rb4 31.h5 g5 (better is 31...gh5!? 32.Rh1 Rb2 33.Kg3 a3=) 32.h6+/- Kg8 33.Kg3 f6 34.Qc2 (34.Kf2 Rb2 35.Kg1 Rb4+/-) 34...Rd4 35.Ra4 Ra4 36.Qa4 Ne7 37.Kh3 Kf8 38.Qe4 Kg8 39.Qd4 Nd5 40.Qa4 Ne7 41.Qa5 Kf7 42.Qd8 Rc8 43.Qd3 f5 44.Qc3 Rg8 45.c6 Rg6 46.c7 Rh6 47.Kg3 Rg6 48.c8Q Nc8 49.Qc8 h5 50.Qa6 h4 51.Kf2 Rf6 52.Qa7 Kg6 53.Qe7 e5 54.Qe5 Ra6 55.Qe8 Kf6 56.Qd8 Kg6 57.Qg8 Kf6 58.Qf8 Kg6 59.Ke3 (better is 59.Qc8!? Ra2 60.Kg1 Ra1 61.Kh2 Re1+-) 59...Re6 60.Kd3 Re1 61.Qg8 Kf6 62.Qh8 Kg6 63.f4! gf4 64.Qh4 Re4 65.Qh8 Kf7 66.Qh6 Re6 67.Qf4 Kg6 68.Qg3 Kf6 69.Kd4 Re4 70.Kd5 Rg4 71.Qe5 Kg6 72.Qd6 Kg5 73.Qe7 Kf4 74.Qe5 Kg5 75.Qg7 Kf4 76.Qh6 Kg3 77.Qh3 Kf2 78.Qf3 Kg1 79.Qf5 Rg2 80.Ke4 Re2 81.Kd3 Rf2 82.Qg4 Rg2 83.Qd1 Kf2 84.Ke4 Rg3 85.Kf4 Rg2 86.Qd4 Ke2 87.Qe4 Kf2 88.Qd3 Kg1 1–0. Eisele,Steffen (2245) – Netzer,Jean (2380), BL2–Sued, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.ab4 Bg4 7.f3 Bf5 8.Nc3 Qe5 9.Be2 Nc6 10.Na4 Qc7 11.Bb5 e6 12.Ne2 Bb4 13.Bc6 bc6 14.Nd4 Bg6 15.Qe2 0-0 16.Qc4 Bd6 17.Ba3 Rfd8 18.Bd6 Qd6 (18...Rd6?! 19.Nb5 Qd8 20.Nd6 Qd6 21.Qc5+=) 19.c3 e5 20.Nb3 Bd3 21.Qc5 Qe6 22.Nc1 Bb5 23.Qe3 e4 (better is 23...Nd5 24.Qg5 Qd6-+) 24.Nc5-/+ Qc4 25.Ne4 Ne4 26.Qe4?? Re8-+ (26...Re8 27.Kf2 Re4 28.fe4 Rd8-+) 0–1. Nowicki,Heiko – Pielnik,Rainer (2260), Ruhrgebiet–ch, 1996. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.ab4 Bg4 7.Nf3 Qe4-/+ 8.Be2 Bf3 9.gf3 Qb4 10.Ba3 Qf4 11.Nc3 Nbd7 12.Rb1 Rb8 13.Rb4 Qg5 14.f4 Qh6 15.Rc4 a6 16.Bf3 b5 17.Rd4 e5 18.fe5 Ba3 19.ef6 Qf6?? (better is 19...Nf6 20.Qe2 Kf8-/+) 20.Qe2+= Kf8? (20...Kd8 21.Qd3 Qe7 22.Kd1 Bc5+-) 21.Rd7+- Re8 22.Be4 Qe6 23.Rd3 Bc5 24.Rf3?? (better is 24.Qh5 Bb6 25.0-0+-) 24...Qg4?? (better is 24...b4 25.Bf5 Qc6=) 25.Rf7!+- (25.Rf7 Kf7 26.Qg4+-) 1–0. Anton,Jose (1800) – Maruejols,Claude (2040), Provence–chB, 1991. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.Nf3 e6 7.ab4 A) 7...Qe4 8.Be2 Qb4 (8...Bb4 9.Nc3 Bc3 10.Bc3 Nc6 11.0-0 Qf4 12.Bb5 0-0 13.Ra4 Qc7=; 8...Nd5 9.c3 Bd6 10.Na3 Bd7 11.Nc4 Bc7 12.0-0 0-0 13.d3 Qf4=) 9.Bc3 Qg4 10.0-0 Nc6 11.Ne5 Qf4 12.Bb5 Bd7 13.Ra4 Qg5+=; B) 7...Bb4 B1) 8.Bd3 Nbd7 (8...Qd8 9.0-0 0-0 10.Nc3 Nc6 11.Re1 Re8 12.Nb5 a6 13.Bf6 gf6+=; 8...Nc6 9.Qe2 Qd8 10.0-0 0-0 11.Re1 Bc5 12.Nc3 Nb4 13.Be4 Nbd5+=; 8...0-0 9.Bf6 gf6 10.Qe2 Rd8 11.Be4 Qc5 12.g4 Qb6 13.c3 Bd6+=) 9.Nc3 Qc6 10.Bb5 Qd6 11.Na2 0-0 12.Bd7 Nd7 13.Nb4 Qb4-/+; B2) 8.Nc3 Bc3 (8...Qd8 9.Bc4 0-0 10.0-0 Nd5 11.Ne4 Qc7 12.d3 Nc6 13.c3 Be7+=; 8...Qd7 9.Ne5 Qd4 10.Nd3 Bc3 11.Bc3 Qe4 12.Qe2 Qe2 13.Be2 Bd7+=) 9.Bc3 Nc6 10.Qe2 Qf5 11.Qc4 e5 12.Bd3 e4 13.Nh4 Qg4-+; B3) 8.Be2 Nc6 (8...0-0 9.Bf6 gf6 10.0-0 Nc6 11.c3 Bd6 12.Re1 Rd8 13.Na3 Bf4+=; 8...Qd8 9.0-0 0-0 10.Re1 Nc6 11.Bb5 Bd7 12.Qe2 a6 13.Bd3 b5+=; 8...Nbd7 9.Nc3 Bc3 10.Bc3 0-0 11.Ra5 Qe4 12.0-0 Nd5 13.Bd4 b6-/+) 9.0-0 e5 10.c3 Bd6 11.c4 Qe6 12.Re1 0-0 13.d4 ed4-/+; B4) 8.Bf6 Qe4 (8...gf6 9.c3 Bd6 10.Na3 Bd7 11.Nc4 Bc7 12.Ne3 Qd6 13.Nd4 f5+=) 9.Be2 gf6 10.Na3 Nc6 11.c3 Ba5 12.Nb5 0-0 13.Ra4 Qg6+=.

    6.Nf3 e6 7.c4 bc3 8.Nc3 Qd8 9.Bc4 Be7 10.0-0 0-0 11.Qe2 Nc6 12.Rfd1 Bd7 13.d4 ½–½. Paulesu,Sebastiano (1860) – Altea,Giovanni (1730), Perla del Sarcidano op 2nd, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.Nf3 e6 7.Bd3 Be7 8.ab4 0-0 (8...Bb4 9.Nc3 Qd8 10.Nb5 Na6 11.Bf6 gf6 12.Nbd4 Nc7 13.0-0 Bc5+= –0.38) 9.Nc3 (9.b5 Nbd7 10.Nc3 Qd6 11.Ba3 Nc5 12.Bh7 Nh7 13.d4 Qc7+= 0.41) 9...Qd8 (9...Qh5 10.b5 Nbd7 11.0-0 Bd6 12.Re1 a6 13.Ne4 Ne4+= 0.37) 10.b5 b6 (10...Nbd7 11.0-0 Nc5 12.Bc4 a5 13.Re1 b6+= 0.28) 11.0-0 (11.Qe2 Bb7 12.0-0 Nbd7 13.Ne4 Nd5+= 0.37) 11...Bb7 (11...a5 12.ba6 Ba6 13.Re1 Bb7+= 0.28) 12.Ne5 (12.Qe2 Nbd7 13.Ne4 Nd5+= 0.37) 12...Qc7 (12...a5 13.Re1 Qc7= 0.22) 13.Qe1 (13.Qe2 Bd6= 0.25) 13...Nbd7 (13...Bd6= 0.12) 14.Nd7 Nd7 15.Be4 Bf6 16.Bb7 Qb7 17.Qe3 a6 18.Rab1 a5 19.d4 Rac8 20.Ba3 Rfd8 21.Rbc1 Nf8 22.Rfd1 Rc4 23.Ne4 Be7 24.Bb2 e5 25.c3 Ne6 26.Qf3 Qd5 27.Nd2 Qf3 28.Nf3 ed4 29.Ne5 Rc7 30.cd4 Rc1 31.Rc1 Bf6 32.Kf1 h5 33.Nc4 Bd4 34.Bd4 Nd4 35.Rd1 Kf8 36.Nb6 Ke8 37.Nc4 Nb5 38.Re1 Kf8 39.Na5 Rd2 40.Nc4 ½–½. Yurtseven,M (2050) – Baglan,E (1805), TCh–TUR, 2011. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.Nf3 e6 7.Qe2 A) 7...Nc6 A1) 8.Bf6 gf6 9.ab4 Bb4 10.c3 Qb3 11.cb4 Qb2 12.Ra4 Qb1 13.Qd1 Qb2-/+ –0.84; A2) 8.Qc4 Ne4 (8...Be7 9.Be2 0-0 10.0-0 Ne4 11.ab4 Nb4 12.Na3 Qc4 13.Bc4 Rd8-/+ –1.03; 8...Bc5 9.Qd5 ed5 10.ab4 Nb4 11.Na3 Ne4 12.d4 Be7 13.Ne5 f6-/+ –1.22; 8...Bd6 9.Qh4 e5 10.Bc4 Qc5 11.Ng5 0-0 12.Bd3 h6 13.Ne4 Ne4-/+ –1.16) 9.Qd5 ed5 10.ab4 Nb4 11.Na3 Bc5 12.d4 Be7 13.c3 Nc6-/+ –1.25; A3) 8.d3 ba3 (8...Be7 9.ab4 Bb4 10.c3 Bd6 11.Nbd2 0-0 12.Nc4 Bc7 13.d4 a6-/+ –1.09; 8...Qd8 9.ab4 Bb4 10.c3 Bd6 11.Nbd2 b5 12.Ne4 Ne4 13.de4 a6-/+ –0.94; 8...b5 9.Bf6 gf6 10.ab4 Bb4 11.c3 Nd4 12.Nd4 Qd4 13.Qb2 Qe5= –0.09) 9.Na3 Be7 10.Nc4 Qd8 11.Ncd2 0-0 12.Ne5 Nd4 13.Qd1 Qd5-/+ –1.34; A4) 8.ab4 Bb4 (8...Nb4 9.Nc3 Qc5 10.d3 Bd6 11.d4 Qf5 12.Nb5 Bf4 13.Kd1 Nc6-/+ –0.81) 9.Bf6 gf6 10.c3 Qb3 11.cb4 Qb2 12.Ra4 Qb1 13.Qd1 Qb2-/+ –0.84; B) 7...ba3 B1) 8.Na3 Bd7 (8...Qd8 9.Qd3 Bd7 10.Nb5 a6 11.Ne5 Nc6 12.Nd6 Bd6 13.Qd6 Ne5+= –0.69; 8...Nc6 9.Nc4 Qd8 10.Nce5 Be7 11.Qb5 Qc7 12.Bc4 a6 13.Qa4 0-0-/+ –0.81; 8...Nbd7 9.Nb5 Qc6 10.Be5 Ne5 11.Qe5 Nd5 12.c4 Nb4 13.Nc7 Kd8+- 1.78) 9.Bf6 gf6 10.Nc4 Bb5 11.Rb1 Kd8 12.h3 Nc6 13.Rb3 Nb4-/+ –0.94 ; B2) 8.Bf6 gf6 9.Na3 Nc6 10.Nb5 Kd8 11.Qe3 Rg8 12.c4 Qf5 13.Nfd4 Nd4= –0.22; C) 7...Bd7 C1) 8.Bf6 gf6 9.ab4 Bb4 10.Na3 Qa5 11.Qe3 Bc5 12.Qd3 Bc6 13.Nd4 Qd8-/+ –0.94; C2) 8.Rg1 Bc6 (8...Nc6 9.Bf6 gf6 10.ab4 Bb4 11.c3 Qb3 12.Qd1 Qd1 13.Kd1 Bd6-/+ –1.03; 8...Qf5 9.Qc4 Nc6 10.Bd3 Qc5 11.g4 Qc4 12.Bc4 Na5 13.Bd3 b3-/+ –0.97; 8...Qc6 9.Qd3 ba3 10.Na3 Bc5 11.Be2 Qe4 12.Nb5 Qd3 13.Bd3 Bb5-/+ –0.84) 9.Bf6 gf6 10.ab4 Bb4 11.h3 Qe4 12.Na3 Kd8 13.c3 Ba3-/+ –1.06; C3) 8.ab4 Bb4 9.Nc3 Qf5 10.Nd4 Qf4 11.Ndb5 Nc6 12.g3 Qb8 13.Ne4 Ne4-/+ –0.88; C4) 8.Bd4 Qf5 (8...Nc6 9.Bf6 gf6 10.ab4 Bb4 11.c3 Be7 12.d4 e5 13.Qb2 Rg8-/+ –0.75) 9.ab4 Qc2 10.Na3 Qc8 11.Nc4 Bb5 12.Nd6 Bd6 13.Qb5 Nc6-/+ –0.78; D) 7...Nbd7 D1) 8.h3 b6 (8...Qf5 9.Qd3 Qd3 10.Bd3 b6 11.ab4 Bb4 12.Nc3 Bb7 13.Nb5 Bf3-/+ –0.91; 8...Qc6 9.Qc4 ba3 10.Na3 a6 11.Qc6 bc6 12.Nc4 Rb8 13.Be2 Nd5+= –0.56; 8...Qc5 9.Qd3 ba3 10.Bd4 Qc6 11.Na3 Bc5 12.Nb5 0-0 13.Be2 e5-/+ –1.03) 9.ab4 Bb4 10.Nc3 Qc5 11.Na2 Ba5 12.Nc3 Bb7 13.Ba3 Bf3-/+ –1.22; D2) 8.Nd4 a6 (8...Bc5 9.Nb5 Qc6 10.ab4 Bb4 11.Bf6 gf6 12.c3 Bc5 13.d4 Bb6= 0.00; 8...Kd8 9.ab4 Bb4 10.Ra4 a5 11.c4 Qe4 12.Qe4 Ne4 13.Nc2 Bf8-/+ –0.81; 8...ba3 9.Na3 e5 10.Nc4 a6 11.Nb3 e4 12.Bf6 gf6 13.f3 f5-/+ –0.75) 9.ab4 Bb4 10.Ra4 a5 11.Qe3 Nb6 12.Ra1 Bc5 13.Qd3 a4-/+ –1.31; D3) 8.Bd4 b6 (8...Qc6 9.ab4 Qc2 10.Na3 Qg6 11.Nb5 Nd5 12.Ra7 Rb8 13.Na3 Nb4+= –0.56; 8...Bc5 9.Bc5 Qc5 10.d4 Qa5 11.Qb5 Qb5 12.Bb5 ba3 13.Na3 Ke7-/+ –0.84; 8...Qf5 9.Qd3 Qd3 10.Bd3 b6 11.ab4 Bb4 12.Na3 Ba3 13.Ra3 Bb7-/+ –0.81) 9.ab4 Bb4 10.Nc3 Bc3 11.Bc3 0-0 12.Qe3 Bb7 13.Ba6 Ba6-/+ –1.09; D4) 8.ab4 Bb4 9.Ra4 Be7 10.Bd4 Qf5 11.Qd1 b6 12.Bd3 Qh5 13.Be2 Bb7-/+ –0.91.

    6.Nf3 e6 7.Be2 A) 7...Nbd7 A1) 8.ab4 Bb4 9.Nc3 Bc3 10.Bc3 0-0 11.Ra5 Qe4 12.0-0 Nd5 13.Bd4 b6-/+; A2) 8.c4 bc3 (8...Qf5 9.Qa4 ba3 10.Na3 Bd6 11.Nb5 Bb8 12.Ba3 Ne4 13.d4 Qf6+=; 8...Qa5 9.0-0 Bc5 10.d4 Be7 11.ab4 Qb4 12.Ba3 Qa5 13.Bd3 0-0=; 8...Qe4 9.0-0 Bd6 10.ab4 Bb4 11.Nc3 Qc6 12.Nb5 a5 13.Nfd4 Qb6+=) 9.Nc3 Qa5 10.0-0 Bc5 11.d4 Be7 12.Qb3 0-0 13.Rac1 Rd8-/+; A3) 8.0-0 a6 (8...b6 9.c4 bc3 10.Nc3 Qf5 11.Nb5 Nd5 12.Bc4 Bb7 13.Bd5 Bd5+=; 8...b5 9.ab4 Bb4 10.Nd4 Qb7 11.Nb5 Qb8 12.Ra4 Be7 13.N1c3 a6=; 8...a5 9.Re1 Bd6 10.ab4 Bb4 11.Nc3 Bc3 12.Bc3 0-0 13.Qb1 a4+=) 9.Re1 b5 10.Nd4 ba3 11.Na3 Rb8 12.Bf3 Qd6 13.Nc6 Rb6+=; B) 7...Bd7 B1) 8.ab4 Bb4 9.Be5 0-0 10.Nc3 Bc3 11.Bc3 Ne4 12.Bb2 Nc6 13.c4 Qf5+=; B2) 8.0-0 Nc6 (8...ba3 9.Na3 Bc6 10.Nc4 Nbd7 11.Bf6 gf6 12.Ne3 Qd6 13.d4 Rg8+=; 8...Bc6 9.Re1 Nbd7 10.ab4 Bb4 11.Nc3 Qd6 12.Nb5 Bb5 13.Bb5 Kd8=; 8...a6 9.Ne5 Bc6 10.Bf3 Qd8 11.Nc6 Nc6 12.Re1 ba3 13.Na3 Bc5+=) 9.Re1 Qf5 10.Bc4 Bd6 11.ab4 Nb4 12.Nd4 Qg6 13.Na3 0-0-/+; B3) 8.c4 bc3 (8...Qf5 9.Qb3 a5 10.0-0 a4 11.Qe3 Bc6 12.Ne5 Qe4 13.Nc6 bc6-/+; 8...Qa5 9.0-0 Ba4 10.Qe1 Bc2 11.ab4 Qb4 12.Bc3 Qb6 13.d3 Nbd7=; 8...Qe4 9.0-0 ba3 10.Na3 Bd6 11.Qb3 Bc6 12.Nb5 Bb5 13.Qb5 Nbd7+=) 9.Nc3 Qa5 10.Qb3 Bc6 11.0-0 Bc5 12.d4 Bd6 13.Nb5 Be7-/+ ; B4) 8.Ne5 Nc6 (8...Bd6 9.Nd7 Nbd7 10.ab4 Bb4 11.Bf3 Qb5 12.Nc3 Bc3 13.Bc3 Ne5+=; 8...Bc6 9.Bf3 Qd8 10.0-0 ba3 11.Na3 Bc5 12.Nc6 Nc6 13.Nc4 0-0+=; 8...ba3 9.Na3 Bc6 10.Nc6 Nc6 11.Nb5 Qd7 12.Bf6 gf6 13.0-0 a6+=) 9.Bf3 Qb5 10.Be2 Qb6 11.Nd7 Nd7 12.0-0 Nd4 13.ab4 Ne2+= ; C) 7...ba3 C1) 8.Bf6 gf6 9.Na3 Nc6 10.Nb5 Kd8 11.Nc3 Qd7 12.0-0 Bb4 13.Ne4 f5+=; C2) 8.Ba3 Qa5 (8...Nc6 9.Nc3 Qf5 10.Nb5 Qf4 11.Bb2 Nd5 12.c4 Nb6 13.0-0 a6+=; 8...Ba3 9.Na3 Qd8 10.0-0 0-0 11.Nb5 a6 12.Re1 b6 13.Ne5 Bb7-/+; 8...Qf5 9.Bf8 Kf8 10.d4 b6 11.Bd3 Qf4 12.0-0 Bb7 13.Nbd2 Nc6+=) 9.Bb2 Qd8 10.Nc3 Nc6 11.Nb5 Be7 12.0-0 0-0 13.Qe1 Bd7-/+; C3) 8.Na3 Bd7 (8...Nc6 9.Nc4 Qd8 10.0-0 Bb4 11.Nfe5 Ne5 12.Be5 0-0 13.c3 Be7+=; 8...Qd8 9.Nb5 Nc6 10.0-0 Bd7 11.Ne5 a6 12.Nc6 Bc6 13.Nd4 Bd6+=; 8...Ba3 9.Ra3 Nc6 10.0-0 0-0 11.Qa1 Qf5 12.Bd3 Qf4 13.Ra4 Qh6+=) 9.Ne5 Bc6 10.Bf3 Qd8 11.Nac4 Bc5 12.Nc6 Nc6 13.0-0 0-0+=; D) 7...Nc6 D1) 8.ab4 Bb4 9.Nc3 Qd8 10.0-0 0-0 11.Bb5 Bd7 12.Re1 a6 13.Bd3 Re8-/+; D2) 8.0-0 Bd7 (8...Bd6 9.ab4 Bb4 10.Bf6 gf6 11.d4 Rg8 12.c3 Bd6 13.Nbd2 Kf8+=; 8...Be7 9.ab4 Bb4 10.Re1 0-0 11.Bf6 gf6 12.c3 Bd6 13.d4 Rd8+=; 8...e5 9.Re1 Kd8 10.c4 bc3 11.Nc3 Qd6 12.Bc4 Bg4 13.Ng5 Bd1=) 9.Re1 Qf5 10.Bc4 Bd6 11.ab4 Nb4 12.Nd4 Qg6 13.Na3 0-0-/+; D3) 8.c4 bc3 (8...Qd7 9.0-0 ba3 10.Bf6 gf6 11.d4 b6 12.Na3 Bb7 13.Qd3 f5+=; 8...Qd8 9.0-0 ba3 10.Na3 Be7 11.d4 0-0 12.Ne5 Ne5 13.de5 Ne4+=; 8...Qf5 9.Nd4 Nd4 10.Bd4 ba3 11.Na3 Bc5 12.Nb5 0-0 13.Bc5 Qc5+=) 9.Nc3 Qd7 10.Rc1 Be7 11.0-0 0-0 12.Re1 Rd8 13.Qa4 a6-/+; D4) 8.Bf6 gf6 9.0-0 Rg8 10.ab4 Bb4 11.c3 Bd6 12.Na3 Ba3 13.Ra3 e5-/+.

    6.Nf3 Bg4 7.Be2 Nc6 8.ab4 Nb4 9.Nc3 Qf5 10.0-0 Nc2 11.Ra4 a5 12.Rg4 Ng4 13.Nh4 Qf4 14.g3 Qb4 15.Qc2 Rc8 16.Qf5 Rc6 17.Qg4 (worse is 17.Bg4 e6 18.Qb5 Qg4 19.Qb7 Qc4+/-) 17...Qb2 18.Bb5 Kd8 (18...f6+-) 19.Bc6 (19.Bc6 bc6 20.Rb1 Qb1 21.Nb1+-) 1–0. Grkinic,Goran – Smyth,Peter, IECG, 1999. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.0-0 Nc6+= 9.ab4 Bb4 10.Na3 Bf3 11.Bf3 Qd2 12.Qb1 (12.Qd2 Bd2 13.Nc4 Bf4+=) 12...0-0 13.Rd1 Qh6 (better is 13...Qf4!?-+) 14.Bf6 (14.Bc1 Qh4 15.g3 Qh3 16.Bc6 bc6 17.Qb4 Ng4+=) 14...Ba3 (14...Qf6!? 15.Bc6 Ba3 16.Bb7 Bb2-/+) 15.Bg7= Qg7 16.Ra3 Rab8 17.Be4 Nd4 (17...Qe5 18.Re3 Qf4 19.c3+=) 18.Bh7+= (18.Ra7? Ne2 19.Kf1 Nc3-+) 18...Kh8 19.Kf1 Rfd8 (19...Kh7 20.Rd4 e5 21.Rh4 Kg8 22.Rg3 (22.Ra7?! f5+-) 22...Qg3 23.hg3+-) 20.Rh3 Qe5 21.Re1 Qc5?? (better is 21...Qf4+=) 22.Qc1+- f6 (22...Qf8 23.Be4 Kg8 24.Rg3 Qg7+-) 23.Bg6 (23.Bg6 Kg8 24.Rh8 Kh8 25.Qh6 Kg8 26.Qh7 Kf8 27.Qf7) 1–0. Romagnoli,F (1925) – Dilic,R (1900), Caorle op, 1989. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.0-0 (8.ab4 Bb4 9.Bf6 gf6 10.c3+/-) 8...Nc6+= 9.d4 (9.Re1 ba3 10.Na3 Bc5+=) 9...Qd8 10.h3 Bh5 11.Re1 Rc8 12.c4 (12.ab4 Bb4 13.c3 Bd6+=) 12...bc3! 13.Nc3 (13.Nc3 Be7 Combination; 13.Bc3 Nd5 Decoy) 13...Be7 14.Qa4 0-0 15.Rad1 Qb6 16.Ba1 Rfd8 17.Rb1 Qc7 18.Nb5 Qb8 19.Ne5 (19.Rbd1 Nd5-+) 19...Be2 20.Re2 Nd5 21.Qb3 a6 22.Nc6 Rc6 23.Nc3 Nc3 (23...Rb6 24.Qc2-+) 24.Bc3 b5 25.Rbe1 (25.Re4 Rc4-+) 25...Bf6 26.Re4 Rcd6 27.Rd1 Rd5 28.Ba5 R8d7 29.Qe3 h6 30.Rg4 h5 (30...Bg5 31.Qe2-+) 31.Re4 Qa7 32.Bc3 Qc7 33.Rc1 Qd8 34.Qf3 g6 35.Ba5 Qa5 36.Qf6 Qd8 37.Re6? fe6-+ 38.Qg6 Kh8 39.Qh6 Rh7 40.Qe6 Rd6 41.Qe5 Kg8 42.Rc3 Rg7 43.Qh5 Rg5 44.Qe2 Rdg6 45.g4 Qd4 46.Rc7 Rg4! 47.hg4 Rg4 48.Kh2 Qf4 49.Kh1 Qh6 (49...Qc7?! 50.Qg4 Kf7 51.Qf5 Ke7 52.Qh7 Kd8 53.Qh6=) 0–1. Roth,Peter (2315) – Hoelzl,Franz (2430), Vienna Bawag, 1996. (=1.e4 c5 2.b4 cb4+= 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.0-0 Nc6 9.Re1 Rd8 10.h3 Bh5 11.d3 Be7 12.Nbd2 (12.ab4 Bb4 13.Bf6 gf6+=) 12...ba3-/+ 13.Ba3 Ba3 14.Ra3 0-0 15.Qa1 Qc5 16.Bf1 (16.d4 Qd6+=) 16...Bf3-/+ 17.Nf3 a6 (17...Qc2? 18.Rc1 Nd4 19.Nd4+- (19.Rc2?! Nc2 20.Qb2 Na3=)) 18.Rb1 Rd7 (18...Qc2? 19.Rc3 Qc3 20.Qc3+-) 19.Rab3 b5 (19...Qc2? 20.Rc3 Qc3 21.Qc3+-) 20.Qa6 b4 21.c3? (better is 21.Qc4!? Qc4 22.dc4+=) 21...bc3-+ 22.Qc4 ½–½. Bender,Klaus – Altrock,Rainer, Germany ch–25 qual3, 1993. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Nf6 5.a3 Qd5+=)

    6.Nf3 Bg4 7.Be2 e6 8.ab4 Qd8 (worse is 8...Bb4 9.Bf6 gf6 10.c3+/-) 9.h3 Bf5 10.b5 Nbd7 11.0-0 Bd6 12.d4 Rc8 13.c4 Bb8 14.Ba3 Ne4 15.Bd3 Ndf6 16.Re1 Qa5 17.g4 Bg6 18.g5 Ng5 19.Ng5 Bd3 20.Ne6 fe6 21.Re6 Kd7 22.Re7 Kd8 23.Qd3 Rc7 24.Nd2 Kc8?? (24...Qa3 25.Qa3 Re7 26.Qa5 b6+-) 25.Nb3 Qa4 (25...Re7 26.Na5 Rd7 27.Qf5+-) 26.Qf5 Kd8 27.Rc7 (27.Rc7 Bc7 28.Be7 Ke7 29.Ra4+-) 1–0. Turta,Vladimir – Golub,Dan (2180), Chisinau ULIM op, 2007. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    5.Bb2 e5

    6.ab4 Bb4

    7.Na3 Nc6 8.Nb5 Bd6 9.Qf3 Qe6 10.Bc4 Black resigned 1–0. michaelbuss – Rkoelbach, ChessWorld.net, 2005. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5 5.Bb2 e5)

    7.Na3 Nc6 8.Nb5 Qd8 9.Bc4 Nf6 10.Ne2 0-0 11.c3 Bc5 (11...Be7 12.Ba3-+) 12.d4-/+ ed4 13.cd4 Bb4 14.Kf1 (14.Bc3 a6 15.Bb4 Nb4-/+) 14...Ne4 (14...Be6 15.Qd3-+) 15.Kg1 Qf6 16.f3 Nd6 17.Nd6 Qd6 18.g3 Be6 19.Bd3 Rad8 20.Kg2 a6 21.Qc2 h6 22.Rhd1 Ne7 23.Nf4 Nd5 24.Nd5 Bd5 25.Rac1 Rfe8 26.Be4 Re7 27.Bd5 Qd5 28.Qf2? (better is 28.Qd3-+) 28...Rde8 29.Rc2 Qb3 (better is 29...Qb5 30.Kg1 Re2 31.Re2 Re2 32.Qf1 Rb2 33.Qb5 ab5 34.Rd3-+) 30.Rdc1 Qd3 31.Bc3? (31.Qf1 Re2 32.Re2 Re2 33.Kh1-+) 31...Re2 32.Bb4 Rf2 33.Rf2 Qd4 34.Bc5 Qd3 0–1. Staub,Gerhard – Hanisch,Joerg (2150), Verbandsliga Nord Baden, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    7.Na3 Nc6 8.Nb5 Qd8 9.Nf3 Bg4 10.Be2 Bf3 11.Bf3 Nge7 12.c3 Bc5 13.0-0 Qb6 14.Qe2+= 0-0 15.d4 a6 16.dc5 Qb5 17.c4 Qc5 18.Ba3 Nb4 (18...Qa7 19.Bc6 bc6 20.Qe5+=) 19.Bb7= Ra7 20.Bf3 (20.Ba6 Nec6 (20...Ra6? 21.Bb4 Qb4 22.Ra6+-) 21.Bb5 Rfa8 22.Bc6 Qc6 23.Qe5 f6+= (23...Ra3?? 24.Ra3 Rf8 25.Qb5+-; worse is 23...Qc4 24.Bb2 f6 25.Ra7 fe5 26.Ra8 Kf7 27.Be5+-)) 20...a5 (20...Rb8 21.Rfb1 a5 22.Bb4 Rb4 23.Rb4 ab4 24.Ra7 Qa7 25.Qe5+=) 21.Rfd1 (21.Bb4 Qb4 22.Qe5 Qc4 23.Ra5 Nc6 24.Bc6 Ra5 25.Qa5 Qc6=) 21...Rc7+= 22.Rac1 Nec6 (22...Rb8!?+=) 23.Bc6= Rc6 24.Rd5 Qa7 25.Re5 h6 26.h3 (26.Rb5 Re6 27.Qd2 Rfe8 28.Bb4 ab4 29.Qb4 Re2+=) 26...Qa6 The isolani on c4 becomes a target (26...Qc7 27.Bb2=) 27.Re7 ½–½. Vojta,Tomas (2245) – Hora,Milan (2050), CZE–chTV, 2000. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    7.Na3 Nc6 8.Nb5 Qd8 9.Nf3 Bg4 10.Be2 f6 11.Ne5 Be2 12.Nc6 Bd1 13.Nd8 Rd8 14.Rd1 a6 15.Nd4 Kf7 16.c3 Bc5 17.Nb3 Re8 18.Kf1 Bd6 19.h3 Ne7 20.d4 b5 21.c4 bc4 22.Nd2 Rc8 23.Ne4 Bb4 24.Bc3 a5 25.Bb4 ab4 26.Nd6 Ke6 27.Nc8 Rc8 28.Ke2 Kd5 29.Rb1 Nc6 30.Kd2 Kd4 31.Rhd1 c3 32.Kc2 Kc4 33.Rd6 Na5 34.Rb6 Nc6 35.Rd1 Kc5 36.Rb7 Ra8 37.Rg7 Ra2 38.Kd3 Rf2 39.Ke3 Ra2 40.Rc1 Ne5 41.Rc7 Kb5 42.Rb7 Kc4 43.Rb1 Rb2 44.Rc7 Kb3 45.Rf1 Rg2 46.Rf6 Nc4 47.Kd4 Rd2 48.Kc5 Ne5 49.Rb6 Nd3 50.Kd4 Nb2 51.Ke4 Na4 52.Rbc6 c2 53.Ke3 Rh2 54.h4 Nc3 55.Rc3 bc3 56.Rb7 Ka4 57.Ra7 Kb5 0–1. Martenot – Mounier, corr FRA, 1987. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    7.c3 Bc5 White has a cramped position (7...Bd6 8.c4 Qe4 9.Qe2-/+) 8.Nf3 (8.Qe2 Qe6-/+) 8...Bg4 (8...e4!? 9.c4 Qe6-/+) 9.Qa4 Bd7 Black threatens to win material: Bd7xa4 10.Qc2 (10.Qc4 Qc4 11.Bc4 f6+=) 10...Nc6-/+ 11.Na3 (11.Qd3!? Qe6 12.Qc4-/+) 11...Nf6 12.Be2 (12.Bc4 Qe4 13.Be2 Qf4-/+) 12...0-0 (better is 12...e4!? keeps an even firmer grip 13.Nd4 Nd4 14.cd4 Bd4 15.Bd4 Qd4 16.Rb1-+) 13.0-0 (13.Bc4!? Qe4 14.Be2-+) 13...e4-+ 14.Ne1 Bf5 (better is 14...Rac8!? 15.Nb1 Bg4-+) 15.d4-/+ ed3! a devastating blow 16.Bd3 (16.Nd3 Be4 Combination; 16.Bd3 Ne4 Combination) 16...Bd3 (16...Be4 17.c4 Qf5 18.Bf6 Qf6 19.Qb1-+) 17.Nd3 Rfd8 (17...Bd6!? 18.f3 Rfd8-/+) 18.Nc5 Qc5 19.c4 Nd4 20.Bd4 Rd4 21.Rfb1? (better is 21.Qb3 Rd7 22.Rad1 Rd1 23.Rd1-/+) 21...Rad8-+ 22.Rb7 Qa3!! (22...Qa3 23.Rf1 Ne4-+) 0–1. Saring,Christoph (2175) – Kreuzer,Gerhard (2025), Landesliga Nord, 2002. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    7.f4 Nc6 8.fe5 Ne5 9.Qe2 f6 10.c3 Be7 11.d4 Bg4 12.Qe3 Nh6 13.Nd2 Nd7 14.Ne2 Qe6 15.Qf2 Nf5 16.c4 Ne3 17.Rc1 Bb4 18.d5 Nc5 19.Nf4 Nc2 0–1. Januschopolsky – Rovner, Moscow, 1929. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.ed5 Qd5)

    5.c4 bc3

    6.Nc3 Qa5

    7.Bb5 Bd7 8.Qh5 Bb5 9.Nb5 Nc6 10.Qe2 e6 11.Nf3 Nf6 12.0-0 Be7 13.Bc3 Qd8 14.Rfc1 0-0 15.Rab1 Rc8 16.Ne5 Ne5 17.Be5 Rc1 18.Rc1 a6 19.Nc3 b5 20.d4 Qa8 21.g4 (21.Nd1!?-/+) 21...Rc8-+ 22.Rc2 Qc6 23.g5 (23.Qe3 Bb4 24.d5 Nd5 25.Qg5-+) 23...Nd5 (better is 23...Ne4 24.g6 hg6-+) 24.Bg7?? (better is 24.Nd5 Qc2 25.Ne7 Kf8 26.Qc2 Rc2 27.Bd6-+) 24...Nc3-+ (24...Kg7?! 25.Nd5 Qc2 26.Qe5 f6 27.gf6 Kf7 28.Ne7 Qd1 29.Kg2-+) 25.Qe3 Kg7 26.d5 Qd5 (better is 26...Qc4 27.h3 Qb4 28.Kg2-+) 27.Rc3 Rc3 28.Qc3 Kg6 29.h4 Qd1 30.Kh2 Qg4 31.Qd3 Qf5 32.Qd2 (32.Qe2 h6-+) 32...Kh5 33.Qd7 Qf2 0–1. Unciti Juan,Javier (2195) – Cabanas Bravo,Juan Andres (2100), Madrid ESP, 2013. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qa5)

    7.Nb5 a6 8.Bc3 Qd8 9.Qa4 Bd7 10.Ba5?? (better is 10.Nf3-/+) 10...ab5-+ 11.Bd8 Ra4 12.Bc7 (12.Bb6-+) 12...Nf6 (better is 12...Na6 13.Bg3 Nb4-+) 13.Bb8-/+ e5 14.Be5?? (better is 14.Ne2 Ng4 15.h3-/+) 14...Re4-+ 15.Be2 Re5 16.f4 Re4 17.d3 (17.g3 Bc6 18.Nf3 Bd6-+) 17...Rb4 18.Nf3 Bd6 (18...Rf4 19.0-0-+) 19.0-0 (19.g3 Rb2 20.h3 Ke7-+) 19...0-0 20.a3 (20.Ne5 Be6-+) 20...Rb2 21.Nd4 Bc5 0–1. Moore,Michael – De Oliveira,Bernardo Lino, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qa5)

    7.Rc1 Nc6 8.Bc4 Nf6 9.Nf3 e6 10.0-0 Be7 11.Re1 0-0 12.Ne4 Nd5 13.Bd3? f6 14.Bb1 Bd7 15.Qc2 Ncb4 16.Qb3 Qa4 17.Qc4? Rac8-+ 18.Qd4 e5 19.Ne5 fe5 20.Qe5 Bf6 21.Qh5 g6 22.Qh6 Nc2?? 23.Nf6 Nf6 24.Re7?? Rf7=+ 25.Bf6? Re7?? 26.Be7+- Bf5 27.Bc2 Bc2 28.Qg5 Qa2+= 29.Qf6 Qf7= 30.Qe5 b6 31.Bb4 (31.Bb4 Re8 32.Qd4=). Holving,Rasmus – Safholm,Sten, Cup Rilton Stockholm, 1995.

    7.d4 e6 8.Nf3-/+ Nf6 9.Bd3 -/+.

    7.d4 Bf5 8.Bd3 Bd3-/+ 9.Qd3 Nf6 10.Nge2 e6 11.0-0 Nc6 12.Rfe1 Bb4 13.a3 Bc3 14.Nc3 0-0 15.Rab1 Rad8 16.Ne2 Rd7-+ 17.Qg3 Nd5 18.Nc3 Nd4 19.Nd5 Qd5 20.Rbd1?? Ne2! 21.Kf1 Ng3 22.fg3 Qb5 (22...Qb5 23.Kg1 Rd1 24.Rd1 Qb2-+) 0–1. Romerm – trilobite, ChessWorld.net, 2008.

    7.Nf3 Nc6=+ 8.Rc1 Nf6 9.Qb3 =+.

    7.Nf3 Nf6

    8.Rc1 Nc6 9.Qb3 =+.

    8.Rc1 Nc6 9.Bb5 Bd7 10.0-0 e6 11.d4 Bb4 12.d5 Bc3 13.dc6 bc6 14.Bc3 Qb5 15.Bf6 gf6 16.Qd6 Qb8 17.Qc5 Qb6 18.Qd6 Rc8 19.Rfd1 Qb7 20.Qd3 e5 21.Rc5 Be6 22.Rdc1 Kf8 23.Nh4 Qd7 24.Qf3 Ke7 25.Qa3 Qd6 26.Qa7 Rc7 27.Qb6 Rd8 28.h3 Rdc8 29.a4 Qd7 30.Qb4 Qd6 31.a5 Ra8 32.R1c2 Rd8 33.a6 Rdd7 34.Rc1 1–0. Faccia,Sergio – Rossi,Giampiero (2140), Toscolano op, 1997.

    8.Bc4 Nc6 9.0-0 e5 10.d3. marmite (2125) – chessleon (2055), net–chess.com, 2008.

    8.Bc4 e6 9.0-0 Be7 10.d4 0-0 11.Qe2 Nc6 12.a3 Rd8 13.Rfd1 Qh5 14.Rd3 Nd5 15.g3 Qg4 16.Ne4? Nf4-+ 17.Qe3 Nd3 18.Bd3 b6 19.h3 Qh5 20.Neg5 Bb7 21.Bh7 Kf8 22.Qf4 Bf6 23.d5! e5?? 24.Qf5+/- Qh6 25.Nf7 Ne7 26.Nh6 Nf5 27.Nf5 Rd5 28.Re1 Rad8 29.a4 Rd1= 30.Ne3 Bf3=+ 31.Nd1 Rd1 32.Bc3 Re1 33.Be1 Ke7 34.Bd3 Kd6 35.Bb4 Kd5 36.Ba6 e4 37.a5 Kc6 38.Kf1 b5 39.g4 g6 40.Bc8 Bd4 41.h4 Bc5 42.Bc5 Kc5 43.h5? gh5-+ 44.g5 0–1. Unciti Juan,J (2070) – Pogorelov,R (2400), XVII Moratalaz Open (3), 2001.

    8.Bc4 e6 9.0-0 Be7 10.d4 0-0 11.Qe2 Nc6 12.Rfd1 Qh5 (12...Rd8 13.Rac1-/+) 13.d5+= Na5 (13...ed5 14.Nd5 Nd5 15.Bd5+=) 14.d6= Bd8 (14...Nc4? 15.de7 (15.Qc4?! Bd8=) 15...Re8 16.Qc4+-) 15.Bd3 Bd7 16.Ne4 Ne4 17.Be4 Bc6 18.Rac1 Bb6 19.Qd3 Be4 20.Qe4 Nc6 21.Rc4 Rfd8 22.Qg4 Qg4 23.Rg4 g6 24.d7 (24.Rc4 Rd7 25.Ne5 Ne5 26.Be5 Rf8+=) 24...Nb8 25.Ne5 Bc7 (25...f6 26.Ng6 Kf7 (26...Rd7?? 27.Rd7 Nd7 28.Ne5 Kf8 29.Nd7 Ke7 30.Rg7 Kd6 31.Nf6+-) 27.Ne5 fe5 28.Be5 Nd7 29.Rd7 Rd7 30.Rg7 Ke8 31.Rg8 Ke7 32.Rg7 Kd8 33.Rg8 Ke7 34.Rg7 Ke8 35.Rg8 Ke7=) 26.Ng6?? (better is 26.Rc4 Be5 27.Be5 Nd7 28.Rcd4 Ne5 29.Rd8 Rd8 30.Rd8 Kg7 31.Rb8+/-) 26...fg6-+ 27.Rc4 Nc6 28.f4 (better is 28.Bc1-+) 28...Rf8 29.g3 (29.Re4 Rf4 30.Re6 Bb6 31.Kh1 Rd8 32.Re8 Kf7 33.Rd8 Bd8-+) 29...Rad8 30.Re4 Rf7 31.Re6 Rfd7 32.Re8 Re8 33.Rd7 Re7 34.Re7 Ne7 35.Kg2 Kf7 36.Kf3 Ke6 37.Ke4 h5 38.h3 Nd5 39.Bc1 Nc3 (39...Nc3 40.Ke3 Na2-+) 0–1. Oyarzun,F – Arancibia,E, Open, Santiago CHI, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qa5 7.Nf3 Nf6)

    8.Bc4 e6 9.0-0 Be7 10.Re1 0-0 11.Re5 Qd8 12.Rg5 Nc6 13.Qe2 Ne8 14.Rh5 Bf6 15.Qe3 Nd6 16.Bd3 Nf5 17.Bf5 ef5 18.Re1 Bd7 19.Qf4 Re8 20.Re3 Re3 21.fe3-/+ Qb8 22.Qc4 Be6 23.Qe2 g6-+ 24.Ng5? gh5 25.Qh5 Bg5 26.Qg5 Kf8 27.Ba3 Ke8 28.d4 Qd8 29.Qg7 Ne7 30.Nb5 Qa5 31.Qe5 Qe1 0–1. Unciti Juan,J (2070) – Perez de Aranda,LI (2155), XVII Moratalaz Open (9), 2001.

    6.Nc3 Qd8

    7.d4 e6 8.Nf3 Nf6 9.Bb5 Bd7 10.Bc4 Be7 11.0-0 0-0 12.d5 ed5 13.Bd5 Bc6-/+ 14.Bb3 Qd1 15.Rad1 Bf3 16.gf3 Nc6 17.Ne4 Ne4 18.fe4=+ Rfd8 19.Rd8 Rd8 20.Rd1 Rd1 21.Bd1 Bd6 22.Bc3 Kf8 23.h3 f6 24.Kg2 Ke7 25.Kf3 Be5 26.Bd2 Kd6 27.Kg4 b5 28.f4 Bd4 29.h4 a5 30.h5 h6 31.Bb3 b4 32.Bc1 Ne7 33.a3 Kc5 34.a4 Kd6 35.Bc4 Kc5 36.Bb3 Kd6 37.Bc4 Kd7 38.Bb5 Kc7 39.Bc4 Kc6 40.Be6 Kd6 ½–½. Faccia,S (2050) – Radice,L (2075), Open Verona ITA (7), 2007.

    7.d4 e6 8.Nf3 Nf6 9.Bc4 Nbd7 10.d5 ed5 11.Nd5 Nd5 12.Qd5 Bb4 13.Kf1 0-0 14.Rd1 Qe7 15.Qd4 Nf6 16.Qh4 Bf5 17.Qg5 Rad8 18.Rc1 Be6 19.Be6 fe6 20.h4 Rd5 21.Be5 Ne4 22.Qe7 Be7 23.Ke2 Nf2! 24.Kf2 Re5 25.Rc7 Bc5 26.Kg3 Bd6 27.Rd7 Re1 28.Rd6 Rh1 29.Re6 h6 30.Re7 Rf7 31.Re8 Kh7 32.Kg4 Ra1 33.h5 Ra2 34.Nh4 Ra4 35.Kh3 Ra5 36.g4 Ra3 37.Kg2 Rc7 38.Nf3 Rc2 39.Kg3 Rcc3 40.Rf8 a5 0–1. Faccia,Sergio (2020) – Farago,I (2510), XXI Festival Open A, Porto San Giorgio, 2009.

    7.Nf3 e6 8.Bc4 Nf6 9.0-0 Nbd7 10.d4 Nb6 11.Bb3 Be7 12.Qd3 0-0 13.Rfe1 Nbd5 14.a3 Bd7 15.Bc2 Bc6-/+ 16.Ne4 Ne4 17.Re4 g6 18.Rae1 Rc8 19.Ne5 Bb5 20.Qb3 Qb6 21.Nf7 Kf7-+ 22.Re6 Qe6 23.Re6 Ke6 24.Be4 Bc6 25.Qh3 Kd6 26.a4 Rce8 27.f3 Rf7 28.Qg3 Nf4 29.Bc1 g5 30.Qe1 Kd7 31.Bf4 gf4 32.Qa5-/+ Bd8 33.Bf5 Kd6 34.Qc5 Kc7 35.d5? Rf5 36.d6 0–1. Baumert,Christian (2045) – Zagorskis,Darius (2485), Berliner Sommer (1), 1997.

    7.d4 Nf6-/+

    8.Bc4 e6 9.Nf3 Bb4 10.0-0 0-0 11.Ne5 Nc6 12.Nc6 bc6 13.Qd3 a5 14.Na4 Nd5 15.Rab1 Qg5 16.Bc1 Qg6 17.Qg6 hg6 18.Nc5 Bc5 19.Bd5 cd5 20.dc5 Ba6 21.Rd1 Rfc8 22.Be3 Bc4 23.Rb2 e5 24.Rc1 a4 25.a3 Bb3 26.Bd2 Rc6 27.Bb4 g5 28.Re1 f6 29.f3 Kf7 30.Kf2 Rh8 31.Kg3 Ke6 32.Rd2 Rcc8 33.Rh1 Kd7 34.Kf2 Kc6 35.g4 Rh3 36.Kg2 Rch8 37.Rd3 d4 38.Be1 Kc5 39.Bg3 R3h7 40.Rc1 Kb6 41.Rd2 Re8 42.Kg1 Rhh8 43.Rb2 Rc8 44.Rbb1 Rc1 45.Rc1 Kb7 46.Be1 Rd8 47.Kg2 Rd7 48.Bd2 Rd5 49.Bb4 Rd8 50.h3?? Bd5 51.Rc5 Bc6 52.Ba5 Rh8 53.Kg3 Re8 54.Rc4 Re6 55.Kf2 Kc8 56.Rb4 Re8 57.Rb6 Kd7 58.Ra6 Ra8 59.Ra8 Ba8 60.Bb4 Ke6 61.Ke2 Bc6 62.Bc5 Bb5 63.Kf2 Kd5 64.Bb4 Kc4 65.Ke2 g6 66.Kd2 f5 67.gf5 gf5 68.Be7 e4 69.fe4 fe4 70.Bg5 Bd7 71.h4 Bg4 72.Ke1 e3 73.Kf1 Kd3 74.Kg2 Kd2 75.Kg3 Bh5 (75...Bh5 76.Kf4 Kc2-+) 0–1. Holving,Rasmus – Hjelm,Niclas, Salongernas ELO–Turn Stockholm, 1996.

    8.Bc4 e6 9.Nf3 Bd6 10.d5 0-0 11.0-0 Na6 12.Qd4 Re8 13.Rfe1 Bc5 14.Qh4 =+.

    8.d5 a6 9.Qa4 Bd7 10.Qb3 Ra7 11.Nf3 g6 12.Bd3 Bg7 13.Ne4 0-0 14.0-0 Ne4 15.Be4 Bb2 16.Qb2 b5 17.Rac1 Rc7 18.Ne5 Rc1 19.Rc1 Qb6 20.Nc6 Nc6 21.dc6= Be6 22.Qb4 Ba2 23.Qe7 Be6 24.Rd1 Rc8=+ 25.h4 Bg4 26.Rd6 Qc7-/+ 27.Qf6 Be6 28.Rd4 Re8 29.g3 Qe7 30.Qf4 h5 31.Qd2 Rb8 32.Rd6 b4-/+ 33.Qd4 b3 34.Bb1 a5 35.Qe5 Rd8 36.Rd8 Qd8 37.Bg6 Qd5 38.Qb8?? Kg7-+ 39.Bb1 Qd1 40.Kh2 Qb1 41.Qe5 Kg8 42.c7 Qf5 43.Qd4 Kh7 0–1. Villing,Dieter – Schuh,Hubert, Baden–ch Eberbach, 1980.

    8.d5 a6 9.Nf3 Nbd7 10.Qa4 Rb8 11.Rc1 g6 12.g3 (12.Be2 b5 13.Qh4 Bb7-/+) 12...Bg7 13.Bg2 0-0 14.0-0 Nc5 15.Qd4 Qa5 16.Rfe1 Re8 17.Nd2 Bf5?? (17...Bd7 18.Nc4 Nh5 19.Qg7 Ng7 20.Na5 Nd3+/-) 18.Nc4+/- White prepares d6 18...Qc7 19.Ne3 (better is 19.d6!? Qc8 20.Nb6+- (20.Re7 Re7 21.de7 Ne8-/+; 20.de7?! Ne6 21.Qd6 Qc4+=)) 19...Bd7= 20.Ne4 b6 21.d6 Qa7 22.de7 (22.Nd5 Nh5 (22...Nce4 23.Rc7 Rb7 24.Re4 Rc7 25.dc7+-) 23.Qd2 Bb2 24.Qb2 Nd3=) 22...Nce4 (22...Nh5!? 23.Qd2 Bb2 (23...Re7 24.Nd5 Ree8 25.Bg7 Kg7 26.g4+-) 24.Qb2 Ne4 25.Be4 Be6= (worse is 25...Re7 26.Nd5 Ree8 27.Rc7+/-)) 23.Be4+= Be6 (23...Re7? 24.Nd5 Re6 25.Rc7+-) 24.Nd5 Bd5 25.Bd5 Re7 26.Re7 Qe7 27.Qf4 Rf8 28.Bf3 Nh5 29.Qd2 Rd8 30.Qc2 Bb2 31.Qb2 Qf6 32.Qa3 Ng7 33.Rc6 Qf5 34.Rb6 Ne6 35.Ra6 Ng5 36.Be2 (better is 36.Kg2 Qh3 37.Kg1=) 36...Qe4 37.h4 Nh3?? (better is 37...Qe2 38.Rd6 Nf3 39.Kg2 Ne1 40.Kg1 Re8-+) 38.Kh2= Nf2 39.Bf3 0–1. Villing,Dieter – Dubeck,Michael, Baden–ch MB2, 1981. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qd8 7.d4 Nf6)

    8.Nf3 e6 9.Bc4 Be7 10.0-0 0-0 11.Re1 Nc6 12.a3 a6 13.Bb3 Na5 14.Ba2 b5 15.Qe2 Bb7 16.Ng5 Nc4 17.Bc4 bc4 18.Qc4 Rc8 19.Qe2 h6 20.Nge4 Ne4 21.Ne4=+ Qd5 22.Rad1? f5-+ 23.f3 fe4 24.fe4 Qb5 25.Qd2 Bg5 26.Qe2 Qe2 27.Re2 Rc7 28.d5 ed5 29.ed5 Rd7 30.d6 Bf4 31.a4 Rd6 32.Rb1 Rd7 33.Ba3 Rfd8 34.Ree1 Bd2 35.Rf1 Be4 36.Rb6 0–1. Faccia,Sergio (2065) – Guido,Flavio (2370), Montecatini Terme op (1), 1998.

    8.Nf3 e6 9.Bd3 Be7 10.0-0 0-0 11.Rc1 Nc6 12.Bb1 Qa5 13.a4 Bd7 14.Qb3 Rfd8 15.Rfe1 Qb6 16.Qc2 Rac8 17.Qd2 Na5-+ 18.Qe2 Nb3 19.Rcd1 Bb4 20.Ne4 Nd5 21.Ne5 Be1 22.Nf7 Bb4 23.Neg5 h6 24.Nh6?? gh6 25.Nh7 Ba4 26.Rd3 Nd2 27.Rg3 Kf7 28.Qe5 Rg8 (28...Rg8 29.Bd3 Qc7 30.Qh5 Ke7 31.Qh4 Kd7-+) 0–1. Romerm – marekt, ChessWorld.net, 2008.

    7.Nf3 Nf6

    8.Bb5 Bd7 =+.

    8.Bc4 e6 9.0-0 Be7 10.Re1 0-0 11.d4 Nd5 12.Bd5= ed5 13.Nd5 Qd5 14.Re7 Nc6 15.Re3 Bg4 16.Qd2 (16.Qb3 Bf3 17.Rf3 Rad8=) 16...Rfd8 17.Rd1 Bf3 18.Rf3 Rd7 19.Rg3 h6 (better is 19...Re8+=) 20.Qh6+/- f5 21.Qg6 Qa2 22.Rh3 Nd4?? (22...Qd5 23.Ba3 Ne7 (23...Nd4 24.Rd4 Qd4 25.Qh7 Kf7 26.Qf5 Kg8 27.Qh7 Kf7 28.Rf3 Qf6 29.Rf6 Kf6 30.Qh4 g5 31.Qh6 Kf5 32.g4 Kg4 33.Qe6 Kh5 34.Qd7 Kg6 35.Qe6 Kg7 36.Bb2 Kf8 37.Qd7 Rc8 38.Bg7 Kg8 39.Bh6 Rc1 40.Kg2 Rc7 41.Qc7 g4 42.Qg7) 24.Be7 Re7+-) 23.Bd4 Rd4 24.Qh7 Kf7 25.Qf5 Kg8 26.Qh7 Kf7 27.Rf3 1–0. Crawford,TD – de Coverly,RD, Whitby, 1970. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qd8 7.Nf3 Nf6)

    8.Bc4 e6 9.0-0 Be7 10.Re1 Nbd7 11.Qe2 Nb6 12.Bb3 0-0 Black castles and improves king safety 13.Rad1 (13.d4 a5+=) 13...Nbd5 (13...Bd7 14.a4+=) 14.Bc2 (14.Nd5 Nd5 15.Rc1 Nb4+=) 14...Nf4 Black threatens to win material: Nf4xe2 (14...Nb4 15.Bb1+=) 15.Qc4 White threatens to win material: Qc4xf4 15...Ng6 16.d4 Black has a cramped position 16...b5 Black threatens to win material: b5xc4 17.Qd3 (17.Qb5!? might be a viable alternative 17...Qd6 18.Bb3=) 17...b4 18.Ne4 Nd5 (18...Bb7!? 19.Nc5 Bc5 20.dc5 Qd3 21.Bd3 Bf3 22.gf3 Rac8-/+) 19.g3 Prevents intrusion on f4 19...Re8 (19...Qa5 20.Nc5+=) 20.h4 a5 (20...Qa5 21.Nc5=) 21.h5 Nf8 22.Ne5 Qb6 23.Ba4 Rd8 24.Qf3 f6 Controls g5 25.Nc4 White threatens to win material: Nc4xb6 25...Qa6= Black threatens to win material: Qa6xc4 26.Ne3 Bb7 27.g4 Rac8 28.Rc1 Nb6 29.Bc2 Qa8 30.h6 Rc2 31.Nc2 Nc4 32.Qb3 Nb2 33.Ng3 33...Bd6 34.hg7 Kg7 Black king safety dropped 35.Nh5 The knight dominates 35...Kf7 36.Qb2 Bh1?? weakening the position 37.Ne3?? stumbles just before the finish 37...Qf3 38.Qe2 Qh3 39.f4 Ba8 40.Qh2 White threatens to win material: Qh2xh3 40...Qf3 41.Qg2 Qg2-/+ 42.Ng2 Bd5 ½–½. Reh,Stefan (2100) – Schlaefer,Roland, Karl Mala Memorial op, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qd8 7.Nf3 Nf6)

    8.d4 e6-/+ 9.Bb5 Bd7 10.Bd7 Nbd7 11.d5 ed5 12.0-0 Be7 13.Nd5=+ 0-0 14.Ne7 Qe7 15.Re1 Qc5 16.Qb3 Rfe8 17.Bf6 Nf6 18.Qb7 Rab8 19.Re8 Re8 20.Qb2 Rc8 21.Rd1 h6 22.h3 Ne4 23.Re1 f5 24.Qd4 g6 25.Qc5 Rc5=+ 26.Nh4 Kf7 27.f3 Nc3 28.f4 Na2 29.Rd1 Rc1 30.Rc1 Nc1 31.Kf2 Nd3 32.Ke3 Nf4! 33.g4? Nh3-+ 34.gf5 g5 35.Nf3 Kf6 36.Nd4 Nf4 37.Ke4 Nh5 38.Nc6 a6 39.Nb4 a5 40.Nd5 Kf7 41.Nb6 g4 42.Na4 g3 43.Kf3 Kf6 0–1. Faccia,S (2020) – Pechy,A (2175), Venetian Autumn (2), 2006.

    8.d4 e6-/+ 9.Bd3 Be7 10.0-0 0-0 11.Re1 Nc6 12.Re3 Nd5 13.Nd5=+ ed5 14.Ne5 Bg5 15.Rg3 g6 16.Ba3 Re8 17.Bb5 Bf4 18.Bc6 bc6=+ 19.Nc6 Qh4-/+ 20.Qb3 Bg3 21.hg3 Qe4 22.Qb4 Kg7 23.Ne7 Ba6 24.Re1-/+ Qd3 25.Qd6 Qc4?? 26.Bc5 Rf8?? 27.Nd5+- Rfe8 28.Qf6 Kg8 29.Re8 Re8 30.Bf8!! (30.Bf8 Qc1 31.Kh2 Qh6 32.Bh6 Bd3 33.Qg7) 1–0. Abrahams,Gerald – Winter,William, London–B (10), 1946.

    5.c4 Qd8

    6.d4 e6 7.Nf3 Nf6 8.Be2 Be7 9.0-0 0-0 10.Nbd2 b6 11.Rc1 Nbd7 12.Qc2 Bb7 13.Rfd1 Rc8 14.Qd3 Rc7 15.Ng5 h6 16.Nge4 Qa8 17.Bf3 Rfc8 18.Nf6 Nf6 (worse is 18...gf6 19.Bb7 Qb7 20.d5+=) 19.Bb7 Qb7 20.Nf3 Qe4 21.Qb3 a5 22.Re1 Qa8 23.Nd2 Ne4?? 24.f4?? Nd6 25.Rc2-/+ Bf6 26.Qd3 Rd8 27.Nf3 Nf5 28.Rd1 Rcd7 29.Ne5 Be5 30.fe5 Rd4 31.Bd4 Rd4 32.Qd4 Nd4 33.Rd4 Qc6 34.c5 bc5 35.Rdc4 a4 36.Rb4 Qd5 37.Ra4?? Qd1 (37...Qd1 38.Kf2 Qc2 39.Kg3 Qa4-+) 0–1. Felczer,Kevin – Roeber,Bjoern, Bad Bevensen–ch U15, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4)

    6.d4 e6 7.Nf3 Nf6 8.Be2 Be7 9.0-0 0-0 10.Nbd2 Nc6 11.Qc2 Bd7 12.Rfe1 Rc8 13.Qd3 a6?? (better is 13...Na5+=) 14.d5+/- ed5 15.cd5 1–0. Felczer,Kevin – Paehtz,Thomas Jr, Bad Bevensen–ch U15, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qd8)

    6.d4 Nf6 7.Qa4 Nbd7 8.Qb4 e5 9.Qd2 ed4 10.Nf3 Bc5 11.Nd4 0-0 12.Be2 Nb6 13.0-0 Na4 14.Rd1? (14.Nb3 Bf2 15.Rf2 Qd2 16.N1d2 Nb2-/+) 14...Nb2 (better is 14...Re8!? 15.Nb5 Bf2 16.Kf1 Qe7-+) 15.Qb2+= Re8 16.Bf3?? (better is 16.Na3+=) 16...Bd4 17.Qd2 (17.Qd4?? Qd4 18.Nd2 Ng4-+) 17...Bb6 (17...Bg4 18.Nc3 Bf3 19.gf3 Bc3 20.Qc3-+) 18.Qc2 (18.Qd8 Bd8 19.Nc3 Bc7-+) 18...Qe7 19.Nc3 Bg4 20.Nd5 Nd5 21.Bg4 Nf6 22.Bf3 Rad8 23.Rdc1 Rc8 24.Rab1 Red8 25.a4 Rd7 26.g3 Qd8 27.c5 Rc5 28.Qc5 Bc5 29.Rc5 Rc7 30.Rcb5 b6 31.a5 Qc8 32.ab6 Rc1 33.Kg2 Rb1 34.Rb1 ab6 35.Rb6 g6 36.Rf6-/+ Kg7 37.Rc6 Qd7 38.Rb6 h5 39.Rb4 Qe7 40.Re4 Qd7 41.Rb4 Kh6 42.Rb7 Qe8 43.Rb6 f6 ½–½. Jancso,Zsolt – Lengyel,Gabor, Sarospatak U18 op, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qd8)

    6.d4 Nf6 7.Bd3 e6 8.Nf3 Be7 9.0-0 0-0 10.Nbd2 Nc6 11.Re1 b6 12.Ne4 Bb7 13.Rc1 Rc8 14.Re3 Ne4 15.Re4 Bf6 16.Rg4 Re8 17.h4 e5 18.d5=+ e4 19.Bf6= Qf6 20.Be4 Na5 21.Ng5 h6 22.Nh7 Qd6 23.Qf3 Re4 24.Qe4+= g6 25.Qf5 Kg7 26.h5 Nc4? 27.hg6 fg6 28.Re1 Ne3 29.fe3 Rg8 30.Qf4 Qd8 31.Rc1 Kh7 32.Rh4 g5?? 33.Rc7 Rg7 34.Qf5 Kg8 35.Qe6 Kf8 36.Rh6 (36.Rh6 Rc7 37.Rh8 Kg7 38.Qh6 Kf7 39.Rh7 Ke8 40.Qg6 Kf8 41.Rh8 Ke7 42.Qe6) 1–0. Fallone,Michael – Westerinen,Heikki MJ, La Habana olm fin–B (12), 1966.

    6.d4 Nf6 7.Bd3 Bg4 8.Qc2 e6 9.Nd2 Nc6 10.Ngf3 Be7 11.0-0 0-0 12.Rfe1 Rc8 13.Rad1 Na5 14.d5 ed5 15.Bf6 Bf6 16.Bh7 Kh8 17.Bf5 Bf3 18.Nf3 Rc4 19.Qd3 g6 20.Ne5 Rc3 21.Qb5 Be5 22.Re5 Qb6 23.Red5 Qb5 24.Rb5 b6 25.Bg4 b3 26.ab3 Nb3 27.h4 Nc5 28.Ra1 f5 29.Bf3 Rf7 30.h5 Kg7 31.hg6 Kg6 32.Rb2 Rd7 33.Bc6 Rd6 34.Bf3 a6 35.Be2 a5 36.Rab1 a4 37.Rb6 Rb6 38.Rb6 Kg7 39.Rb1 a3 40.Ra1 Kf6 41.g3 Ke5 42.Bh5 ½–½. Puleston,Timothy (1850) – Fineboim,Igor (2160), IECG, 2003.

    6.d4 Nf6 7.Be2 e6 8.Nf3 Be7 9.0-0 Nc6 10.a3 0-0 11.ab4 Bb4 12.Nc3 b6 13.Qa4 Bd7 14.Qb3 Bd6 15.Rfd1 Na5 16.Qa2 Bc6 17.d5 ed5 18.cd5 Bb7 19.Nb5 Bc5 20.Bf6 Qf6 21.d6 Rad8 22.d7-/+ Bc6 23.Na7 Bd7 24.Rac1 Be6 25.Qb1 Nb3 26.Rd8 Rd8 27.Rd1 Nd4 28.Nd4 Bd4 29.Bf3 Bc5 30.Nc6 Rd1 31.Qd1 h5! 32.h3 h4 33.Qa4 Bh3! 34.Nd8 Qd8 35.gh3 g6 36.Qc6 Qg5 37.Kf1 Qd2 38.Qe8 Kg7 39.Qe1 Qd4 40.Kg2 0–1. Faccia,Sergio (2065) – Van der Werf,Mark (2420), Saint Vincent op (1), 1998.

    6.Nf3 e6 7.d4 Nf6 8.Bd3 Be7 9.0-0 0-0 10.Nbd2 b6 11.Ne5 Bb7 12.Ndf3 a5 13.Qc2 Na6 14.Ng5 g6 15.f4 ½–½. Bravo Lutz,Sebastian – Armbruster,Alexander, Hessen–ch U15, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qd8)

    6.Nf3 Nf6 7.d4 e6 8.Bd3 Be7 9.0-0 0-0 10.Nbd2 Nc6 11.Re1 a5 12.Bc2 b6 13.Rc1 Bb7 14.Nf1 Qd6=+ 15.Ng3 Rad8 16.Qe2 Qf4=+ 17.Rcd1 Ba6 18.Ba4 Qc7 19.Rc1 Rd6 20.Ne4 Ne4 21.Qe4 f5 22.Qf4+= Bf6 23.Re6+- Rfd8 24.c5 bc5 25.Rc5 Bb7 26.Rf6 gf6 27.Qf5 Qe7 28.Bb3 Kf8 29.Qf4 Nb8 30.Rh5?? Bf3=+ 31.Re5?? Qe5!-+ 32.Qh6 Ke8 33.gf3 Qg5 (33...Qg5 34.Qg5 fg5-+) 0–1. Wiekhorst,Frank – Bokelbrink,Uwe (2275), Pinneberg op (3), 1995.

    6.Nf3 Bg4 7.d4 e6 8.Nbd2 Nf6 9.h3 Bf3 10.Qf3= Nc6 11.Qe3 Be7=+ 12.Bd3 a6 13.0-0 0-0 14.Ne4 g6 15.Nc5 Nd7 16.Nd7 Qd7 17.d5 ed5-/+ 18.cd5 Qd5 19.Rac1 Qa2-+ 20.Rc2 Qe6 21.Bc4? Qe3 22.fe3 Bg5 0–1. De Boer,Sybolt (2240) – Riemersma,Liafbern (2435), NED–sf Enschede (8), 1996.

    5.c4 Qe4

    6.Qe2 Qe2 7.Be2 Nc6 8.d4 Bf5 9.d5 Nb8 10.c5 (10.Nf3!?=) 10...Be4 11.Bf3 Bf3 12.Nf3 Na6 13.Bd4 Rc8 14.a3 Nc5 15.Nbd2 Nd3 16.Ke2 Nf4 17.Kd1 Nd5 18.ab4 a6 19.b5 ab5 20.Ra5 Nf4 21.Rb5 f6 22.g3 Nd3 23.Ke2 Nc1 24.Ke3 e5 25.Ba7? (better is 25.Bb2 Bc5 26.Ke4 f5 27.Kf5-/+) 25...Nh6 26.Ne4 Rc2 27.Nfd2 Ng4 (better is 27...f5-+) 28.Kf3-/+ f5 29.Nb3? (29.h3 h5 30.hg4 hg4 (worse is 30...fe4 31.Ke4 Rd2 32.Rc1+/-) 31.Kg2 Rh1 32.Kh1 fe4 33.Ne4 Kd7-/+) 29...fe4 (better is 29...Nb3 30.Rb3 h5-+ (30...fe4?! 31.Kg4 h5 32.Kf5-/+)) 30.Kg4-/+ Nb3 31.Rb3 Bc5 32.Bc5 Rc5 33.Re1 b5 34.Re4 Kd7 35.Rbe3 Re8 36.f4 Kd6 37.Rd3 Rd5 38.Rde3 ef4 39.Re8 fe3 40.Re3 Rd2 41.h4 Rf2 42.h5 Rf8 43.Kg5 b4 44.Re8 0–1. Howell,Jason – Austin,Michael B, Ken Smith Memorial op, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Qe2 Bf5 7.Qe4 Be4 8.d4 =+.

    6.Qe2 Nf6 7.d3 Qe2 8.Be2 Bf5 9.Nd2 e6 10.Ngf3 Nc6 11.0-0 Be7 12.Rfe1 0-0 13.Nb3 Rfd8 14.d4 Rac8 15.Rac1 a5 16.Nbd2 a4 17.Nh4 a3 18.Ba1 Bc5 19.Nf5=+ ef5 20.d5 Nd4 21.Bf1 Re8 22.h3 Re1-/+ 23.Re1 Nc2 24.Rc1 Na1 25.Ra1 Ne4 26.Ne4 fe4 27.Be2 Re8 28.Rd1 e3 29.f3 Bd6 30.Rd3 b6 31.Rb3 f5 32.g4 f4 33.h4 h6 34.h5 Kf7 35.Kf1 g6 36.hg6 Kg6 37.Rb1 Rh8-+ 38.Kg2 Kg5 39.Bd3 h5 40.gh5 Rh5 41.Bc2 Kf6 42.Rd1 Rg5 43.Kf1 Rg3 44.Ke2 Rg2 45.Kd3 Rf2 46.Bb3 Rf3 47.Ke4 Rf2 48.Re1 Kg5 49.Kd3 Kf5 50.Rd1 e2 51.Re1 f3 52.Bc2 Kf4 (52...Kf4 53.Bb3 Rh2-+) 0–1. Romerm – steviousmattias, ChessWorld.net, 2008.

    6.Be2 Nc6 7.d4 Bf5 8.d5 Ne5 (worse is 8...Qg2 9.Bf3 Qg6 10.dc6 bc6 11.Ne2+/-) 9.Be5 Qe5 10.Nd2 Bc2! 11.Qc1 (11.Qc2 Qc3 Double attack (11...Qa1 Deflection; 11...Qc3 Decoy)) 11...Nf6 12.Ngf3 Qc3 13.0-0 g6 14.a3 Bg7 (14...e6!?-/+) 15.ab4= Ne4 16.Ra2 Nd2 17.Nd2 Bf5 18.b5 0-0 19.g4 Bd7 (better is 19...Bc8+=) 20.Rc2?? (better is 20.Qc3 Bc3 21.c5+/-) 20...Qh3-/+ 21.Re1 Bg4 22.Bf1 Qh4 23.Qa3 Bf5 24.Ra2 Bh6 25.Qe7= Qg4 26.Bg2 Rae8 27.Qe8 Re8 28.Re8 Kg7 29.Ne4 Qd1 30.Bf1 Bh3 31.Ng3 Bf4 32.Rae2 Bg4?? 33.Re1+/- Qc2 34.Kg2 h5 35.Ne2?? Bd2 36.Ra1? Qc4-+ 37.Ra7 Qd5 38.Kg1 Qf3?? 39.Re7?? Be1-+ 40.Bg2 Qf2 41.Kh1 Bf3 (41...Bf3 42.Rf7 Kf7 43.Rb7 Bb7 44.Bb7 Qf1 45.Ng1 Bf2 46.Bd5 Ke7 47.b6 Qg1) 0–1. Mendez Bayon,David – Amigo Roman,Pedro, Valladolid–ch Provincial Abs, 1985. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Be2 Nc6 7.Nf3=+ e5 8.0-0 Bc5 9.Re1 Nge7 10.Ne5= Ne5 11.d4 0-0 12.Bd3?? Qd3-+ 13.Qh5 Bd4 (13...Bd4 14.Bd4 Qd4 15.Qe5 Nc6 16.Qd4 Nd4-+) 0–1. Soppe,Edith (1920) – Baumstark,Gertrude (2205), Buenos Aires ol (Women), 1978.

    6.Be2 Nc6 7.Nf3 e5 8.0-0 Bc5 9.Ne5 Ne5 10.d4 (10.d3 Qf4 11.d4 Nc4 12.Bc4 Bd6+=) 10...Bh3-/+ 11.f3? (better is 11.gh3 0-0-0 12.d5+=) 11...Qg6-+ 12.Rf2 0-0-0 13.Qa4?? (13.f4 Ng4 14.gh3 Nf2 15.Kf2-+) 13…Rd4 (13...Rd4 14.Kf1 Nd3 15.Qe8 Rd8 16.Bd3 Qd3 17.Qe2 Bf5 18.Qd3 Bd3 19.Ke1 Nh6-+) 0–1. Espig,T – Bruggemann,J, Zinnowitz, 1970. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Be2 Nc6 7.Nf3 e5 8.0-0 Be6 9.Re1 Qf4 10.g3 Qf6 11.a3 ba3 12.Na3 Bc5 13.Nb5 0-0-0 14.Na7 Ba7 (14...Na7 15.Be5 Qh6 16.Qb3+-) 15.Ra7 Na7 16.Be5 Qe7? (16...Qg6 17.Qa4 f6+-) 17.Bg7+- Nf6 18.Qa1 (18.Qa1 Nd7 19.Bh8+-; 18.Bh8?! Rh8 19.Qa4 Nc6+=) 1–0. Kreuter,B – Feist,G, D corr, 1987. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Be2 Nc6 7.Nf3=+ e5 8.0-0 Be7 9.Re1 Qf5 10.d4 ed4 11.Nd4 Nd4 12.Bd4 Nf6 13.Bd3 Qa5 14.Nd2 Be6 15.Nb3 Qc7 16.Qc2 Rd8 17.Rad1 b6 18.Qb2 Ng4 19.g3 Nf6 20.f4 Bg4 21.Rd2 0-0-/+ 22.Be2 a5 23.Bg4=+ a4?? 24.Bf3 ab3+= 25.ab3 Rd4 26.Rd4 Bc5 27.Kg2 Bd4 28.Qd4 Rd8 29.Qe3 h5 30.h4 Re8 31.Qd2 Re1 32.Qe1 Qa7 33.Qe3 Kf8 34.Kh3 Qc7 35.Kg2 g6 36.Kf1 Qd6 37.Kg2 Nd7 38.Kh3 Nf6 39.Kg2 Ng4 40.Bg4+/- hg4 41.Kh2 Qf6 42.Qd3 Qb2=+ 43.Kg1 Qc3-/+ 44.Qd6 Kg8 45.Qb8 Kh7 46.f5 Qc1 47.Kg2 Qc2-/+ 48.Kg1 Qf5 49.Qb6 Qb1-+ 50.Kf2 Qc2 51.Kg1? Qb3-+ 52.c5 Qg3 53.Kf1 Qf3 54.Kg1 Qe3 55.Kh1 b3 56.Qf6 Qf3 57.Qf3 gf3 58.c6 b2 59.c7 b1Q (59...b1Q 60.Kh2 Qe1 61.Kh3 Qg1 62.h5 Qg2 63.Kh4 g5) 0–1. Wiekhorst,Frank – Jentzsch,Reinhard, Bahn–ch Pocking (6), 1996.

    6.Be2 Bd7 7.Nf3=+ Bc6 8.d4 e6 9.0-0 Nd7 10.Re1= 0-0-0 11.a3+= Nb6 12.Bf1 Ba4 13.Qd2+/- Qc2 14.ab4 Nh6? 15.Bd3 Qd2+/- 16.Nbd2 Bc6 17.b5 Bf3 18.Nf3 Kb8 19.d5! Bb4? 20.Be5+- Kc8 21.Reb1 Bf8 22.Ra7 ed5 23.c5! Bc5 24.Bg7 Ng4 25.Bf5?? Kb8+= 26.Ra2 Rhg8 27.Bc3 d4 28.Ba5 d3 29.Rc1 d2 30.Bd2 Bf2 31.Kf1 Be3+= 32.Be1?? Nh2!-+ 33.Nh2 Bc1 34.Bh7 Rg7 35.Bf5 Nc4 36.Kg1 Rd1 37.Nf3 Be3 38.Kh2 Bf4 39.g3 Re1! 40.gf4 Rf1 41.Be4 Nd6 42.Bd5 Rd1 43.Bb3 Rd3 44.Nd2 Rdg3 45.Nf3 Rf3 46.Bd5 Rf4 47.Bg2 Rh4 48.Kg1 Rhg4 49.b6 0–1. Faccia,S (2035) – Meng,J (2055), XXVI Open A Bratto ITA (3), 2006.

    6.Be2 e5 7.Nf3=+ Nc6 8.0-0 Bd6 9.d4 ed4 10.Re1 Nge7 11.Nd4 Nd4 12.Bd4 0-0 13.Bf3 Qh4 14.g3 Qg5 15.Nd2 Nc6 16.Ne4+/- Qg6 17.Bh5 Qe6 18.Nf6! gf6 19.Re6 Be6 20.Bf6 Be5 21.Be5 Ne5 22.Qd2 Bc4 23.f4 Nd3 24.f5 f6 25.Be2 Rad8 26.Bd3 Rd3 27.Qb4 b5 28.a4 a6 29.ab5 Bb5 30.Re1 Rfd8 31.Qg4 Kh8 32.Qh4 R3d6 33.Kg2 Bd7 34.Re7 Bf5+= 35.Re2 Bd7 36.Qf4 Bc6 37.Kh3 Bd7 ½–½. Knox,Victor W – Mc Alpine,Kenneth B, BCF–ch U18 Bath, 1963.

    6.Be2 Nf6 7.Nf3 Nc6 8.0-0 Bf5 9.d3 Qf4 10.a3 e6 11.d4 ba3 12.Na3 Be7 13.d5 Rd8 14.g3 Qb8 15.Qb3 ed5 16.cd5 Nd5 17.Bg7 Rg8 18.Qb2 Nf4 19.Rfe1 Bg4 20.Bb5? (better is 20.Bf6+=) 20...Bf3-+ 21.Re7 Ke7 22.Re1? (22.Qf6 Kd7 23.Qf5 Ke8 24.Re1 Ne2 25.Be2 Rg7 26.Bf3 Kf8 27.Bc6 bc6 28.Qc5 Qd6 29.Qa7-+) 22...Kd7 23.Be5 Rge8 24.gf4?! (24.Qd2 Kc8 25.Bb8 Rd2 26.Re8 Kd7 27.Bf4 Rd1 28.Bf1 Ke8 29.Nc2-+) 24...Qd6! 25.f5 (25.Bd6 Re1 Mate attack) 25...Re5! 26.Qe5 Rg8 27.Kf1 Bg2 (27...Bg2 28.Kg1 Qa3-+) 0–1. Beltran Seguer – Gonzalez Camps, ESP–Cup2 corr, 1984. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Be2 Nf6 7.Nf3 e6 8.0-0 Nc6 9.d4 Be7 10.Bd3 Qf4 11.Re1 0-0 12.Nbd2 Bd7 13.Ne4 Rac8 14.Rb1 Ne4 15.Re4 Qc7 16.d5 Na5 17.Rg4 f6 18.Rg7?? (better is 18.Qd2 g5 19.Bh7 Kh7 20.Bf6 Bf6 21.Ng5 Kg8 22.de6 (22.Ne6?! Kf7 23.Nc7 Bg4+-) 22...Qc4 23.Rc4 Rc4 24.ed7+-) 18...Kg7-+ 19.Ng5 (19.Ng5 Kh6 20.Qg4 Qc4 21.Be4+-) 1–0. Allen – Stader, corr, 1957. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Be2 Nf6 7.Nf3 e6 8.0-0 Nbd7 9.d4 Be7 10.Nbd2 White threatens to win material: Nd2xe4 (10.a3 a6+=) 10...Qg6 (10...Qf5 11.c5+=) 11.Ne1 (11.a3 a6+=) 11...0-0 12.f4 (12.a3 a5+=) 12...Bd6 (12...Nb6 13.Bd3 Qh5 14.Qh5 Nh5 15.g4+=) 13.Nd3 Ne8 (13...b6 14.Ne5 Qh6 15.Rb1=) 14.Ne5 White threatens to win material: Ne5xg6 (14.c5 Be7 15.a3 ba3 16.Ba3 Nb8=) 14...Qh6 15.Rf3 (15.c5 Bb8+=) 15...f5 (15...b6 16.Ng4 Qh4 17.Rh3+=) 16.Qc2 (16.Nd3 Nef6=) 16...b6 17.Raf1 (17.Nd3 Bb7 18.Rh3 Qg6=) 17...Qf6 (17...Be5 18.de5 Qh4 19.a3-/+) 18.Rh3 a5 Black has a cramped position 19.Bf3 Ra6 (19...Rb8 20.Nc6 Bf4 21.Be2=) 20.Bc6?? White threatens to win material: Bc6xd7. weakening the position (better is 20.Bb7! Bb7 21.Nd7+/-) 20...Ra7 21.Qa4 Qe7 22.Qd1 Rc7 23.d5 White wins space 23...Nc5 The knight likes it on c5 24.Be8 Qe8+= Black has the pair of bishops 25.Qe1? Be7?? White has an active position. allows the opponent back into the game 26.Ndf3?? Ne4 27.d6 Bd6 28.Ng5?! cannot solve the problems of the position 28...Be5 29.Be5 Ng5! Black should return material 30.fg5 Rd7 31.Qh4 g6 32.Ba1?? an oversight. But White was lost anyway. 32...Qe7 33.Kh1 Bb7 34.Qe1 Qd6 35.Re3 Re8 36.Qh4 e5 37.Rfe1 Be4 38.Qf2 Qc5 39.h4 Red8 40.h5 0–1. Baumert,Christian (2060) – Brameyer,Hermann (2255), Berlin op, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Be2 Nf6 7.Nf3 e6 8.0-0 Be7 9.d4 (9.a3 Nc6=) 9...0-0 10.Re1 (10.Nbd2 Qc6=) 10...Qc6 (10...Nc6 11.Bf1 Qf4 12.Qd3+=) 11.Nbd2 (11.a3 Nbd7=) 11...b6 (11...Qc7 12.a3=) 12.Rc1 (12.Ne5 Qc7 13.a3 ba3 14.Ba3 Ba3 15.Ra3 Bb7=) 12...Bb7 (12...Nbd7 13.Qc2=) 13.Bd3 Qd7 White has an active position 14.Ne5 White threatens to win material: Ne5xd7 14...Qd8 15.f4 (15.Qa4 Bd6+=) 15...Na6 (15...Nbd7 16.Re3=) 16.Re3 Nc7 17.Rh3 g6 Black has a cramped position 18.g4 White king safety dropped (18.Qe2!?+=) 18...Nd7 White has a very active position 19.Ndf3 (19.Be4 Be4 20.Ne4 Ne5 21.fe5 f5 22.ef6 Bf6+=) 19...Ne5 20.Ne5 Qe8 (20...f6 21.Bg6 hg6 22.Qd3+=) 21.g5 White wins space 21...f6 22.Ng6 hg6-/+ 23.Rh6 Qc6 24.d5 Qc5 25.Kf1 Qe3 Black threatens to win material: Qe3xf4 26.Rg6 Kf7 27.Rf6?? Bf6-+ 28.Qh5 Ke7 29.Qh7 Kd6 30.gf6 Rf6! Deflection: c1. 31.Bf6 Qf4 32.Ke2 Qf6 33.Rf1 Qe5 34.Kd1 Rh8 35.Qf7 Qa1 36.Kd2 Qc3 37.Ke3 Rh3 38.Kf4 Qd2 39.Kg4 Qg2 40.Kf4 e5 41.Kf5 Bc8 42.Kf6 Rh6 (42...Rh6 43.Bg6 Qf1 44.Kg7 Qf7 45.Kf7 Rh2-+) 0–1. Reh,Stefan (2085) – Balduan,Markus (2310), Bad Zwesten op 5th, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Ne2 Qc4!? 7.a3 ba3 8.Na3 Qb4 -/+.

    6.Ne2 Bf5 7.Qa4 Nc6 8.d4 e6 9.Nd2 Qc2 10.Qc2 Bc2 11.Rc1 Bd3 12.d5 Nd8 13.Nf4 Bf1 14.Kf1 Nf6 15.Bf6 gf6 16.Ne4 f5 17.Nf6 Ke7 18.N4h5 b6 19.c5 bc5 20.Rc5 Kd6 21.Rb5 Rc8 22.Ne8 Ke7 23.d6 Kd7 24.Nhf6 Kc6 25.d7 Ra8 26.Re5 Bd6 27.Re2 Nb7 28.Rc2 Nc5 29.Ke2 Be5 30.Rd1 Rd8 31.g4 Bc3 32.Rd6 Kb7 33.gf5 ef5 34.Rd5 Nd7!-/+ 35.Nd6 Kc6 36.Nf7 Rde8! 37.Kd3 Nf6 38.Rd6 Kb5 39.Nh8 Ne4 40.Rd5 Nc5 41.Rc5 Kc5 42.Nf7 Re7 43.Ng5 Rd7 44.Ke3 Kc4 45.Nf3 Re7 46.Kf4 Kd3 47.Rc1 Re2 48.Rd1 Kc4 49.Rd7 Ra2 50.Ke3 a5 0–1. Stroemberg,Ingmar – Olsson,Sverre, FIN–SVE corr, 1972. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    6.Ne2 Bf5 7.d4 Qc2 8.Qc2= Bc2 9.Nf4 Nf6 10.d5 Nbd7 11.h4 Nc5 12.Nd2 e6 13.de6 Bd6 14.Nd5=+ Nd5 15.cd5+= 0-0 16.Nc4+/- Bf4 17.g3 fe6 18.gf4 ed5 19.Ne3 Be4 20.Rg1 g6 21.f5! Bf5 22.Nd5 Rfe8 23.Ne3 Nd3 24.Bd3 Bd3 25.Rc1 Re7 26.Rg5 Rae8 27.Rd5 Bf5 28.Rb5 Be6 29.Rb4 Ba2 30.Ra1 Bd5 31.Ra7 Bc6 32.Ra1 Re4 33.Re4 Re4 34.h5! Rh4 35.hg6 hg6 36.Ra8 Kf7 37.Kd2 Re4 38.Rh8 Rf4 39.Ke1 Be4 40.Be5 Rf3 41.Rh4 Bf5? 42.Ke2 g5 43.Kf3 gh4 1–0. Abrahams,Gerald – Aitken,James, Hastings4647 (6), 1946.

    6.Be2 Qg2-/+

    7.Bf3 Qg6

    8.Qb3 e6 9.Ne2 Nf6 10.d4 a5 11.a4 h6 12.Nd2 Bd6 13.c5 (13.Rg1 Qh7 14.Ng3 Nbd7-/+) 13...Bc7-+ 14.0-0-0 (14.Rg1 Qh7-/+) 14...Nbd7 15.Rhg1 Qh7 16.Ng3 0-0 17.Be2 Nd5 18.Bd3 f5 (18...g6 19.Nde4-+) 19.Rde1 N7f6 20.Nf3 Kh8 21.Ne5 Be5 22.de5 Nd7 23.Qc4 (better 23.Bd4!?-+) 23...b6 24.c6 Ba6 25.Qd4 Bd3 26.cd7 f4 27.Nh5 (27.Ne4 Be4 28.Qe4 Ra7-+) 27...Bg6 28.Nf6 gf6 29.ef6 Rac8! (29...Rf6 30.Qd5!? ed5 31.Bf6 Kg8 32.Re8 Kf7 33.Ra8 Kf6 34.Rf8 Ke5 35.d8Q+-) 30.dc8Q (30.dc8Q Qc7 Double attack (30...Qc7 Decoy); 30.dc8R Qd7 Double attack (30...Qd7 Decoy); 30.dc8B Qc7 Double attack (30...Qc7 Decoy); 30.dc8N Qc7 Double attack (30...Qc7 Decoy)) 30...Rc8 31.Kd1 (31.Bc3 Rc3 32.Kb2-+) 31...Bh5 32.f3 (32.Re2 Qc2 33.Ke1 Qe2) 32...Bf3 (32...Qc2) 33.Re2 Qc2 (33...Qc2 34.Ke1 Qe2) 0–1. Alonso Jimenez,Joan (1940) – Morros Faura,Ricard (2205), Championship CAT Group A Final, 2016. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4 6.Be2 Qg2 7.Bf3 Qg6)

    8.d4 e5! 9.de5 Nc6 10.Ne2 Bd7 11.Nd2 Nge7 12.Ne4=+ Nf5 13.Rg1 Qe6 14.Ng5 Qe7 15.Bd5 Nh6 16.f4 0-0-0 17.Qb3 Kb8 18.0-0-0 Rc8 19.Nd4 Na5 20.Qg3 Nc4 21.e6? fe6 22.Be6? Be6 23.f5 Nd6 24.Kb1 Nhf5 25.Nf5 Bf5 26.Ka1 Ka8 27.Rge1 Qd7 28.Be5 Be7 29.Nf7 Rhe8 30.Nd6 Bd6 31.Rd6 Qc7 32.Rdd1 Re5! 33.Qe5 Qc3 34.Qc3 bc3 35.Rd4 Bg6 36.h4 a6 37.h5 Bc2 38.Rd7 Rc5 39.Rg7-/+ Rh5 40.Rc7 Bg6 41.Rc3=+ Rb5 42.a3 Ka7 43.Rc4 Rb6 44.a4 Bd3 45.Rd4 Bf5 46.Rf4 ½–½. Abrahams,Gerald – Dorn,Max, Bad Gastein (17), 1948.

    8.d4 Qe6 9.Be2 Qb6 10.Nf3 Bg4 11.Nbd2 Nf6 12.Rg1 Nbd7 13.Qa4 g6 14.c5 Qc7 15.Qb4 Bh6 16.0-0-0? (16.Bc1!?-/+) 16...0-0 17.Kb1 b6 18.Nb3 Qb7?? (better is 18...Bf5 19.Ka1 Rab8-+) 19.d5+= Bf5 20.Ka1 Nd5 21.Qd4? (21.Qh4 Bf4 22.c6 Qc6 23.Nbd4+=) 21...N7f6-+ 22.Qe5 Bg7?? (better is 22...Bc2 23.Rd5 Qd5 24.Qd5 Nd5-+) 23.Nh4?? (better is 23.c6 Qc7 24.Rd5 Qc6 25.Rdd1=) 23…Bc2 (23...Bc2 24.Rc1 Nb4-+) 0–1. Baumert,Christian (2180) – Suhl,Dirk (2320), Berlin–ch op, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    8.d4 Bf5 9.Nd2 Bc2 10.Qe2 Nc6 11.Nh3 Qd3 12.Nf4 Qe2 13.Ke2 Nf6 14.d5 Na5 15.Be5 Rc8 16.Rac1 Bf5 17.Rhg1 g6 18.c5 Bg7 19.c6 bc6 20.dc6 0-0 21.Rc5 (21.c7 Nh5 22.Bg7 Nf4 (worse is 22...Ng7 23.Rc5+/-) 23.Ke3 Nh3 24.Bf8 Ng1 25.Rg1 Kf8=) 21...Nb7 (21...Nd7!? 22.Bg7 Nc5 23.Bf8 Kf8-+ (23...Rf8?! 24.Rc1 Na6 25.Ke3=)) 22.cb7-/+ Rc5 23.b8Q Rb8 24.Bb8 Rc2 (better is 24...Rb5!? 25.Ba7 e5-/+) 25.Ba7 Ra2 26.Bc5 Bh6 27.Be3 Ne4 (better is 27...Bf4!? 28.Bf4 b3-/+) 28.Be4+= Be4 29.Nd3 Be3 30.Ke3 Bd3 31.Kd3 Ra3 32.Ke2 Rh3 33.Nf3 Rh5 34.Rb1 Rb5 35.Rb3 Kg7 36.Kd3 Rf5 37.Kc4 (better is 37.Ke4!?+=) 37...Rf4 38.Kd5 g5 39.Ke5 f6 40.Ke6 g4 41.Nh4 ½–½. Muenster,Manfred (1920) – Konsek,Peter (1940), Mittelfrankenliga–B2b, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    8.d4 Bg4 9.Bg4 Qe4 10.Kf1 Qh1 11.Bf3 Qh2 12.Bb7 Qc7 13.Ba8 Qc4 14.Ne2 Nf6 (14...Nd7 15.a3 e6 16.d5+-) 15.Qa4 Nbd7 16.Nd2 Qc8 17.Bc6 (17.Qa7 e6 18.Rc1 Qd8+-) 17...e6 18.Rc1 Qd8?? (better 18...Be7!?+-) 19.Nc4 (19.Bb7 Qb6 20.Rc8 Ke7+-) 19...Ng4? (better 19...b3+-) 20.Qa7 Be7 21.Nb6 Ngf6 22.Bd7 (better 22.d5 0-0 23.Nd7 Nd5 24.Nf8 Bf8+-) 22...Nd7 23.Rc8 Nb6 24.Rd8 Bd8 25.a3 (25.Nf4 0-0 26.d5 ed5 27.Ne6+-) 25...ba3 (25...h5+-) 26.Ba3 (26.Qa3?! Rg8+-) 26…Nd5 1–0. Muenster,Manfred (1935) – Bildt,Maximilian (1800), Mittelfranken–ChTB2b, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4 6.Be2 Qg2 7.Bf3 Qg6)

    8.Ne2 Nc6 9.d4 Bg4 10.Rg1 Bf3 11.Rg6 hg6 (worse is 11...fg6 12.d5 Be2 13.Ke2+/-) 12.Nd2 Bg4 13.d5 Nd8 14.Qa4 Bd7 15.Qb4 e6 16.Qb3 Rh2 17.0-0-0 Rc8 18.Kb1 Rf2 19.Nd4 Nf6 20.Nb5 Bc5 21.Bf6 gf6 (better is 21...Rf6 22.Ne4 e5 23.Nc5 Rc5=) 22.Ne4+/- Rf4 (better is 22...Kf8!? 23.Nc5 Rc5 24.de6 Ne6 25.Rd7 Re5 26.Qb4 Kg7+-) 23.Nbd6+- Kf8 24.Qh3 Bd6 25.Nd6 Rc5 (25...Ra8 26.Qh6 Ke7 27.Qf4+-) 26.Qh8 (26.Qh6 Ke7 27.Ne4 ed5 28.Qf4 Bf5 29.Qd6 Ke8 30.Qc5 Be4 31.Kb2 a6 32.cd5 Kd7+-) 26...Ke7 27.Nb7 (better is 27.Nf5! ef5 28.d6 Ke6 29.Qd8+-) 27...Nb7-+ 28.Qb8 e5 29.Qb7 Rfc4 30.Qa7 Ke8 ½–½. Krug,Rudi (1800) – Reichenbacher,Gerhard (1895), Bahn–chV Baiersbronn, 1998. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    8.Ne2 Qd3 9.Nf4 (9.Qb3 Qb3 10.ab3 Nf6-/+) 9...Qd6 (better is 9...Qc4!? 10.d4-+) 10.Nd5-/+ e6 11.Qe2 Nc6 12.d4 (12.a3 b3 13.Qe3 Nh6-+) 12...Nf6 (better is 12...Kd8 13.Ne3 Nd4-+) 13.Nd2 Be7 14.Ne7 Ne7 (14...Ke7?! 15.d5 Nd8 16.Rd1=) 15.Rg1 Ng6 16.0-0-0 Bd7 17.Kb1 0-0-0 18.c5 Qc7 19.Nc4 Bb5 20.Nd6 Qd6?? (20...Rd6 21.Qb5 Rd7 22.c6 bc6 23.Bc6-/+) 21.Qb5 (21.Bb7 Kb8 22.Qb5= (22.cd6?? Be2 23.Rd2 Kb7 24.Re2 Rd6-+)) 21...Qc7-/+ 22.Qb4 Nd5 23.Qa4 Kb8 24.Rd3 Qc6 ½–½. Douven,Rudy C (2405) – Hoeksema,Hendrik Pieter (2390), Groningen GAM, 1991. (1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 Qe4)

    8.Ne2 e5! 9.Be5 Qf5 10.Qa4 Bd7 11.Qb3 Qe5 12.Bb7 Bc6 13.d4 Qe4 14.Bc6 Nc6 15.f3 Qh4 (15...Qh4 16.Kd1 0-0-0-+ (< 16...Nd4 17.Qa4 Ke7 18.Qb4 Kf6 19.c5-+)) 0–1. Buth,Lothar – Prestel,Oliver, Ladenburg MB (7), 1992.

    5.d4 e6

    6.a3 Nf6 7.ab4 Bb4 8.c3 Be7 9.Nf3 0-0 10.Nbd2 Nc6 11.Bc4 Qd8 12.0-0 Qc7 13.Re1 b6 14.Qe2 Bb7 15.Ng5 Bd6 16.Nde4 Be7 17.Bd3 g6 18.Nf6 Bf6 19.Ne4 Bg7 20.Qf3 Ne7 21.Nf6 Kh8 22.Be4 Be4 23.Ne4 Nd5 24.Ba3 25.Ng5 Nf6 26.Bc1 h6 27.Bf4= Qe7 28.Bd6 Qe8 29.Be5 hg5 30.Bf6+= Rd5 31.Qd5 ed5=+ 32.Re8 Re8 33.Bg5 a5 34.Kf1 Ra8 35.Ke2 b5 36.Kd3 f6 37.Bd2 Kg8 38.Kc2 Kf7 39.Rb1 Rb8 40.Ra1 a4=+ 41.g4 g5 42.f4 Kg6 43.fg5 fg5 44.Rf1 Bf6 45.Rf5 Rd8 46.Kb1 Rd7 47.Kc2 Be7 48.Re5= Bf6 49.Rf5 Rc7 50.Kb1 b4 51.cb4+= a3 52.Be3 Rc3 53.Bf2 Be7 54.Be1 Rd3 55.Re5 Bf6=+ 56.Re2 Bd4 57.Ka2= Bb2 58.b5 Rd1 59.b6 Ra1 60.Kb3 Bd4 61.Bc3 Bc3 62.Kc3 Rb1 63.Ra2 Rb6 64.Ra3 Kf6 65.Kd4 Ke6 66.Kc5 Rb2 67.Ra6 Ke5-/+ 68.Rg6 Rc2 69.Kb4 Rc4-+ 70.Kb3 Rg4 71.Kc3 d4 72.Kd3-/+ Rg2 73.Rg8 g4 74.Re8=+ Kf4 75.Rf8 Kg5 76.Rg8 Kf5 77.Rf8 Kg6 78.Kd4? Rh2-+ 79.Rg8 Kf5 80.Rf8 Kg5 81.Ke3 Kh4 82.Rh8 Kg3 83.Rg8 Ra2 84.Rg7 Kh3 85.Rh7 Kg2 86.Rg7 g3 87.Rh7 Kg1 88.Rg7 g2 89.Rf7 Ra4 90.Rh7 Kf1 91.Rf7 Ke1 92.Rg7 Ra3 93.Ke4 Kf2 94.Rf7 Ke2 95.Rg7 Ra4 96.Ke5 Kf2 97.Rf7 Ke3 98.Rg7 Ra5 99.Kd6 Kf2 100.Rf7 0–1. Knudsen,JesW (1995) – Urkedal,F (2235), 29th Politiken Cup (7), 2007.

    6.c4 bc3 7.Nc3 Bb4 8.Qa4 Nc6 9.0-0-0 Bc3-+ 10.Bc3 Nf6 11.Bc4? Qd6 12.Bb2? 0-0 13.Ba3 Qf4 14.Kb1 Rd8 15.Nh3? Qe4 16.Bd3 Qg2 17.Nf4 Rd4 18.Qd4 Qh1 19.Qa4 Qh2 20.Be4 Bd7 21.Rh1 Qf2 22.Bb2 b5 23.Qb5 Rb8 24.Nd3 Qb2! 25.Qb2 Rb2 26.Nb2 Ne4 0–1. Knudsen,JesW (2035) – Bjerring,K (2305), Caissa IM August II (9), 2005.

    6.c4 bc3 7.Nc3 Bb4 8.Nf3 Nf6 9.Qa4 Nc6 10.Bb5 Qe4 11.Kf1 Bc3 12.Bc3 Bd7 13.Re1 Qf5 14.Ne5? (better is 14.Qb3-/+) 14...Ne4-+ 15.Qc2?? (15.Re4 Qe4 16.Bd3-+) 15…Ng3!! (15...Ng3 16.hg3 Qc2 17.Nd7 Kd7-+) 0–1. Tsimbryla,Igor (2125) – Pasko,Alexander (2300), UKR–ch sf U16, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 e6)

    6.c4 bc3 7.Nc3 Bb4 8.Nf3 Nf6 9.Bd3 0-0 10.0-0 Bc3 11.Bc3 b6 12.Re1 Nbd7 13.Bb4 Re8 14.Rc1 Bb7 (14...Qa2? 15.Bc4 Qb2 16.Rb1 Qb1 17.Qb1+-) 15.Bc4 Qh5 16.Be2 Rac8 17.Qa4 a5 18.Rc8 Rc8 19.Be7 Qd5 20.Bf1 Re8 21.Ba3 Bc6 22.Qc2 Bb5 23.Ne5 (better is 23.Bb5!? Qb5 24.Ne5-/+) 23...Bf1-+ 24.Kf1 Qd4 25.Nc6 Qf4 26.Kg1 Nd5 27.Qd3 N7f6 28.g3 Qa4 29.Ne5 b5 30.h4 (30.Bb2-+) 30...b4 31.Bc1 Qa2 32.h5 Nh5 33.g4 Nhf4 34.Qf3 g5 35.Nd7 Qa1 36.Kh2 Qc3 37.Be3 (37.Qc3 bc3 38.Bf4 gf4 39.Kg2-+) 37...Qe1 38.Bf4 gf4 0–1. Stoppel,Mariusz (2090) – Dragun,Kamil (2420), Warszawa Poland, European Rapid Ch, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    6.c4 bc3 7.Nc3 Bb4 8.Qg4 g6 9.Bd3 Nf6 10.Qf4 Qa5 11.Qf6 Bc3 12.Ke2 0-0 13.Bc3 Qc3 14.Nf3 Qb2 15.Ke3 Nd7 16.Qh4 Nb6 17.Ng5 Nd5 18.Kf3 Nf6 19.Rab1 Qa2-+ 20.Rhe1 h6! 21.Ne4 Ne4 22.Re4 Qd2 23.Re3 Kg7 24.Qe7 Qa5 25.Bg6 Qd8 26.Qd8 Rd8 27.Be4 Rd7 28.Reb3 Rb8 29.d5? f5-+ 30.Bd3 Rd5 0–1. Espig,Thomas (2320) – Moehring,Guenther (2400), DDR–ch (13), 1977.

    6.Nf3 Nc6 7.c4 bc3 8.Nc3 Bb4 9.Be2 Nf6 10.0-0 Bc3 11.Bc3 0-0 12.Bd3 b6 13.Qe2 Bb7 14.Rab1 Qd8 15.Rfd1 Re8 16.Ne5 Ne5 17.de5=+ Nd5 18.Bd2 f5 19.Rb3 g6 20.Bb5= Rf8 21.Rh3 Qe7 22.Bc1 Rfc8=+ 23.Ba3 Qf7 24.Qd2 a6 25.Be2 Rc6 26.Rd3 Rac8 27.Bf3 Rc4 28.h3 b5 29.Bd6? Rc2 30.Qg5-/+ Re8 31.a3 Rc4 ½–½. Schlag,Franz – Degenhardt,Norbert, GER–ch Seniors (8), 1996.

    6.Nf3 Nc6 7.Bd3 Nf6 8.0-0 Qd8 9.a3 Bd7 10.c4 bc3 11.Nc3 Bd6 12.Bc4 Na5 13.Ba2 0-0 14.d5 e5 15.Ng5 Ne8 (better is 15...Qb6!? 16.Qd2 Rac8-/+) 16.Ne6+= fe6 17.de6 Kh8 18.ed7 Qd7 19.Ne4 Qe7 20.Nd6 Nd6 21.f3 Ndc4 22.Bc3 Ne3 23.Qe1 Qg5 (worse is 23...Nf1 24.Ba5 Nh2 25.Kh2+=) 24.Qd2? (24.Rf2!? Nac4 25.Bc4 Nc4 26.Qe4+=) 24...Rad8 25.Qe2 Ng2 26.Qe5 Qe5 27.Be5 Nc6 (better is 27...Ne3!? 28.Bc7 Nf1 29.Bd8 Rd8 30.Kf1 Rd3-/+) 28.Bg7+= Kg7 29.Kg2 Rd2 30.Rf2 Rfd8 31.Rd2 Rd2 32.Kg3 Rd3 33.Bc4 Rc3 34.Bd5 b6 35.Re1 Kf8 36.a4 Ne7 37.Be6 Ra3 38.Re4 Kg7 39.Rf4 Nc6 40.Bd5 Na5 41.Rf7 Kg6 42.Ra7 h5? 43.Ra6 h4 44.Kh4 Ra4 45.Be4 Kf6 46.Rb6 Ke5 47.Ra6 Kf4 48.Rf6 Ke3 49.Kg5 Ra1 50.h4 Rg1 51.Kh6 Nc4 52.h5 Ne5 53.Rf5 Nc4 54.Rg5 Rh1 55.Kg7 Nd6 56.h6 Ne8 57.Kg6 Nd6 58.Bd5 Kf4 59.Rh5 Rg1 60.Kf6 Ne8 61.Kf7 Nd6 62.Kf8 Rb1 63.h7 Rb8 64.Kg7 Ne8 65.Kg6 Rb6 66.Kf7 Nd6 67.Ke7 Nf5 68.Rf5! (68.Rf5 Kf5 69.h8Q+-) 1–0. Tsimbryla,Igor (2125) – Poliakov,Maxim, UKR–ch sf U16, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 e6)

    6.Nf3 Nc6 7.Bd3 Nf6 8.c4 Qd8 9.0-0 Be7 10.a3 ba3 11.Na3 0-0 12.Nc2 b6 13.Qe2 Bb7 14.Rfd1 Nb4 15.Nb4 Bb4 16.Ne5 Re8 17.Bc2 Qe7 18.Qe3 a6 19.Rab1 Rac8 20.Bd3 Red8 21.Qf4 Nh5 22.Qg4=+ g6 23.g3 Ba8 24.Bf1 Nf6 25.Qh3 Be4 26.Rbc1 Ba3 27.Ba3 Qa3 28.Qh4 Kg7 29.g4 h6 30.f3? Bb7?? 31.Qf2 Nd7 32.Ra1 Qe7 33.f4 Nf6 34.Bd3 h5 35.g5 Ne8 36.Qb2 Qd6 37.d5 Kg8 38.de6 Qe6 39.Bf1 Nc7 40.Qb3 b5 41.Bh3 Qb6 42.Kf1 Ne6 43.Qg3?? bc4 44.f5 gf5-+ 45.Bf5 Rd1 46.Rd1-/+ Qc7?? 47.g6+- (47.g6 Kh8 48.Rd7 Qd7 49.Nd7+-) 1–0. Schulz,Hans Juergen – Geisler,Robert, BL2–N8788 Germany, 1988.

    6.Nf3 Nf6

    7.Bd3 Nc6 8.0-0 Qh5 9.c4 bc3 10.Nc3 Bb4 11.Ne2 Bd6 12.Rc1 0-0 13.a3 Nd5 14.Nc3 Nc3 15.Rc3 g6 16.h3 e5 (16...Rd8!?-/+) 17.Be2 ed4?? (17...e4 18.Ne5 Qg5 19.Qc1 Qc1 A) 20.Bc1?? Nd4 (20...Ne5?! 21.de5 Be5 22.Rc5-+) 21.Re3 Ne2 22.Re2 Be5-+; B) 20.Rcc1+=) 18.Nd4?? (better is 18.Rc6 bc6 19.Qd4+-) 18...Qe5+= 19.Nf3 Qe7 20.Re1 Be6 21.Qc1 Rad8 22.Bc4 Rfe8?? (better is 22...Qd7=) 23.Rce3+- Bf4 (23...Bc5 24.Re4 Ba3 25.Ba3 Qd7+-) 24.Qc3 Ne5 25.Re5 Be5 26.Re5 Kf8?? 27.Re6! (27.Re6 Rd1 28.Kh2 Qc7 29.g3 Re6 30.Qh8 Ke7 31.Be6 Ke6 32.Qe8 Kd5 33.Qe2+-) 1–0. Planas,Alberto (1820) – Ruiperez,Ramon, Autonomico–chT, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 e6)

    7.Bd3 Be7 8.0-0 0-0 9.a3 Nc6 10.Ne5 Rd8 (10...Nd4 11.Bd4 Rd8 12.Nf3+/-) 11.Nc6 Qc6 12.ab4 Bb4 13.c4 b6 14.Be2 Bb7 15.Bf3 Qc7 16.Bb7 Qb7 17.d5 Be7 (17...ed5?! 18.Bf6 gf6 19.Qg4 Kh8 20.cd5-/+) 18.Qf3 ed5 19.Nc3 Rd7 20.cd5 Rad8 21.Qg3 Bf8 22.Nb5 Ne4 23.Qg4 Qd5 24.Na7 f5 (24...Nd2!? 25.Rfe1 Ra8 26.Kh1-+) 25.Qe2 Bc5 26.Nb5 Nf2 (26...Qb3 27.Rab1 Bf2 28.Kh1-+) 27.Rf2 (27.Ba3 Ne4 28.Kh1 Qe6-+) 27...Re7 (27...Bf2 28.Kf2 Qc5 29.Kf1-+) 28.Qe7 Be7 29.Nc3 (29.Nd4 Bc5 30.Rd2-+) 29...Qb3 30.Re2 Bb4 31.Rc1 Rc8 32.Rec2 b5! 0–1. Micic,Cedomir (2300) – Hansen,Mads Smith, DEN–ch U20 op, 1986. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 e6)

    7.Bd3 Be7 8.0-0 0-0 9.c4 Qd8 (9...bc3 10.Nc3 Qd6 11.Rc1-/+) 10.Ne5 (10.Qe2 b5 11.cb5 a6=) 10...Nc6=+ 11.Nc6 bc6 12.Qf3 Qc7 13.a3 ba3 14.Na3 Black creates threats along the open b–file 14...Rb8 15.Rfb1 Bd7 (15...Bd6 16.h3=+) 16.c5= Rb7 17.Bc1 Rb1 18.Bb1 (18.Rb1 Nd5=) 18...Qa5 (18...e5 19.Qg3-/+) 19.Nc2=+ Qb5 20.Na3 Qb4 Do you see the mate threat? 21.Nc2 Qb7 22.Qd3 (22.Ba2 Nd5=) 22...Rb8 23.Ba2 Nd5 24.Bd2 g6 (24...Qc7 25.Bb1 Bf6 26.Ne3=+) 25.h3 Qc7 26.Bd5 ed5 27.Nb4 Rb7 28.Na6 Qc8 29.Bf4 Bf5 30.Qg3 Bf6 31.Be5 Be5 32.de5 Rb5 33.Qc3 Qb7 34.Ra4 (34.Qd4 Rb1 35.Rb1 Qb1 (35...Bb1?! 36.Qh4=) 36.Kh2 Qe4-/+) 34...Rb3 (34...Rb1 35.Kh2-/+) 35.Qa5 Qe7 36.f4?? (better 36.Qc7 Rb1 37.Kh2=+) 36...Qh4-+ 37.Qd2 (37.Rb4 Re3 38.Rb2 Bh3-+) 37...Qg3 (better 37...Bh3 38.Rb4 Ra3 39.Rb1-+) 38.Rb4?? (38.Ra1 Bh3 39.Rf1-+) 38...Ra3 39.Qb2 (39.Qc1 Re3 40.Rb8 Kg7 41.Nc7-+) 39...Qe1 (39...Bh3 40.Rb8 Kg7 41.Qf2 Ra1 42.Rb1 Rb1 43.Qf1 Qg2) 40.Kh2 Qg3 (40...Re3 41.Rb8 Kg7 42.e6 Kh6 43.Qe5 Qg3 44.Kh1 Re5 45.fe5 fe6 46.Rb4-+) 41.Kh1?? (better 41.Kg1=) 41...Be4 (41...Bh3 42.Ra4 Ra4 43.Qb8 Kg7 44.Qh8 Kh8 45.gh3 Ra1) 42.Re4 de4 (42...Ra6 43.e6 fe6 44.Rb4 Qe1 45.Kh2 Qb4 46.Qb4+-) 43.Nc7 (43.e6 Re3 44.ef7 Kf7 45.Qb7 Kg8 46.Qb8 Kg7 47.Qe5 Kh6 48.Qg5 Qg5 49.fg5 Kg5 50.Kg1-+) 43...Rb3 44.Qc2 Re3 (44...Qe1 45.Kh2 Re3 46.Qf2 Qf2 47.Kh1 Re2 48.Kh2 Qg2) 45.Qd1 0–1. Schulz,Han (1870) – Souleidis,G (2400), 3rd HSK Weihnachtsopen, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 e6)

    7.Bd3 Be7 8.0-0 0-0 9.Ne5 Nc6 10.c4 bc3 11.Nc3 Qd8 (11...Qd4? 12.Nc6 Qd6 13.Ne7 Qe7 14.Ne4+-) 12.Nc6 bc6 13.Rc1 Rb8 14.Ba1 Qa5 15.Ne4 Ba6 16.Rc6 Bd3 17.Qd3 Ne4 18.Qe4 Qa2 19.g3 Bf6 20.Bc3 Qb3 21.Ra1 Rb7 22.h4 h6 23.Rc1 Rd7 24.Rb1 Qa4 25.Ra1 Qb3 26.Rb1 Qd5 27.Qd5 Rd5 28.Rb7 a5 29.Ra7 Rb8 30.Kg2 Bd8 31.Rc5 Rd6 32.Ba5= Ba5 33.Rca5 Rd4 34.Re7 g6 35.Raa7 Rf8 36.Rac7 h5 37.Rb7 Rd5 38.Rec7 Rf5 39.Ra7 Rd8 40.Rd7 Rd7 41.Rd7 Kg7 42.Ra7 Kf6 43.Ra4 Rb5 44.Rf4 Ke7 45.Rf3 e5 46.Ra3 Ke6 47.Kf3 Kf5 48.Ra4 Rb3 49.Kg2 Rb6 50.Kf3 Ke6 51.Ra8 f5 52.Re8 Kf6 53.Rf8 Ke7 54.Ra8 Rb3 55.Kg2 f4 56.gf4= ef4 57.Ra4 f3 58.Kg3 Ke6 59.Ra6 Kf5 60.Ra5 Kf6 61.Ra6 ½–½. Kamys,Stanislaw (2205) – Gdanski,Przemyslaw (2300), Warsaw Cup, 1987. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Bb2)

    7.Be2 Nc6 8.0-0 Be7 9.a3 ba3 (9...0-0 10.ab4 Bb4 11.Ne5-/+) 10.Na3 0-0 11.Nb5 Qd8 12.c4 a6 13.Nc3 b6 14.Qb3 Bb7 (worse 14...Nd4 15.Nd4 Bb7 16.Na4+-) 15.Rfd1 Qc7 16.Rac1 (16.Na4 Nb4-/+) 16...Rac8 (16...Na5 17.Qa2-/+) 17.Na4=+ Nd7 (17...Nb4 18.d5 ed5 19.cd5=+) 18.d5 Na5 19.Qe3 Nc5 (19...Bd6 20.de6 Nc5 21.Nc5 Bc5 22.Bd4 fe6 23.Qe6 Qf7 24.Ng5 Qe6 25.Ne6 Bd4 26.Nd4=+ (26.Rd4? Nb3 27.Rcd1 Nd4 28.Nd4 Rcd8-+; worse 26.Nf8 Rf8 27.Rd4 Nb3=+)) 20.Nc5 (20.Be5!? Bd6 21.Nc5 Qc5 22.Bd4+=) 20...Bc5=+ (worse 20...bc5 21.Bc3 Bd6 22.Rb1+=; 20...Qc5?! 21.Bd4 Qb4 22.Bd3= (worse 22.Bb6 Nc4 23.Bc4 Rc4=+)) 21.Qc3 (21.Qd3 ed5 22.Ng5 Bf2 23.Kf2 Qf4 24.Nf3 Nc4-/+) 21...f6-/+ 22.Bd3 (22.Qd3 Rfd8-/+) 22...ed5 23.cd5 Qf4 (23...Bd5?! 24.Bh7 Kh7 25.Rd5=) 24.Qe1 (24.Qc2 g6-/+) 24...Rfe8 25.Qf1 b5 26.Bc2? (26.Re1 Red8 27.Ra1-+) 26...Nc4-+ 27.Bb3 (27.Rb1 Rcd8 28.Qd3-+) 27...Nb2 28.d6 Kf8 29.d7 Bf3 (29...Nd1 30.de8R Ke8 31.Rd1 Bf3 32.gf3 Qf3 33.Re1 Kf8 34.Bd1-+) 30.de8Q (30.Re1 Be4 31.de8R Re8 32.Rc5-+) 30...Re8 31.g3 Qb4 (31...Bd1 32.gf4 Bb3 33.Rc5-/+; 31...Nd1 32.gf4 Bf2 33.Qf2 Nf2 34.Kf2-+) 32.Rd3 (32.Rd7 Re2 33.Rf7 Ke8 34.Rc5 Qc5 35.Rg7-+) 32...Be2 (better 32...Nd3 33.Qd3 Re1 34.Qf1 Rf1 35.Rf1-+) 33.Rc5 (33.Rd7 Bf1 34.Rf7 Kg8 35.Re7 Qb3 36.Re8 Kf7 37.Re3 Be3 38.Rf1-+) 33...Nd3 34.Rc7 Qb3 35.Qa1 Qd1 (35...Nf2 36.Rc2 Nh3 37.Kg2 Bf3 38.Kh3 Qe6 39.Kh4 Qg4) 36.Qd1 Bd1 (36...Bd1 37.g4 Bg4-+) 0–1. Rusan,Paul_Cristian (2200) – Pisu,Robert_Daniel (2115), Campionatul National Individual Masculi, 2016. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 e6)

    5.d4 Bf5

    6.c4 Qa5 7.Nd2 e6 8.Ngf3 Nf6 9.Nb3 Qc7 10.d5 Nbd7 (10...Qe7 11.Qe2=) 11.Nbd4 Bg4 12.Nb5 Qb6 13.d6 (13.h3 Bh5 14.g4 Bg6 15.de6 fe6-/+) 13...Rc8 (13...0-0-0 14.a3 Bf3 15.Qf3 Bd6 16.Nd6 Qd6 17.ab4 Qb4 18.Bc3-/+) 14.Nc7 (better is 14.Bd4!? Nc5 15.Be2+=) 14...Kd8-/+ 15.Nb5 a6 (15...e5 16.Qb3 Ne4 17.Qe3 Qe3 18.fe3-+) 16.Bd4-/+ Nc5 (16...Qa5 17.Na7 Rb8 18.Be2-/+) 17.h3? (better is 17.Bf6!? gf6 18.Qd4+=) 17...Bh5-/+ (17...ab5?! 18.hg4 Qd6 19.cb5=) 18.g4 (18.Bf6 gf6 19.Qd4-+) 18...Bg6-+ (worse is 18...ab5 19.gh5 Qa5 20.Ne5+=) 19.Bf6 gf6 20.d7 Nd7 21.g5?? (21.Nbd4-+) 21...ab5 22.gf6 (22.cb5 b3! 23.Qb3 Qa5 24.Nd2 Rc2-+) 22…Bd6 0–1. Strozyk,Aleksandra – Wierzbowska,Aleksandra, Poland, 2014. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Qd5 5.d4 Bf5)

    6.c4 Qa5 7.Nd2=+ e6 8.g4= Bg6 9.Bg2 Qc7 10.Qf3 Nc6-/+ 11.Ne2 Bd6 12.Rc1 Nf6 13.h4 h5 14.g5 Ng4 15.c5 Be7 16.Qb3 a5 17.a4 Rd8?? 18.f3=+ Nh2 19.Kf2= 0-0 20.Kg1 Nd4=+ 21.Bd4 Rd4?? 22.Nd4+/- Bc5 23.Rc5 Qc5 24.Qc4 Qe5 25.N2b3 Qe3= 26.Kh2 Qf4 27.Kg1 Qe3 28.Kh2 Qf4 29.Kh3?? Bf5-+ 30.Nf5 Qc4 31.Nfd4 e5 32.Rc1 Qd3 33.Bf1 Qe3 (33...Qe3 34.Nf5 Qf3 35.Ng3 Qb3-+) 0–1. Kukacka,Martin – Hrebicek,P, CZE–ch2 Cesky Brod, 1995.

    6.c4 bc3 7.Nc3 Qd8 8.Qf3 Bc8 9.d5 Nf6 10.Rc1 a6 11.a4 Nbd7 12.Nh3 Nb6 13.Nf4 Bg4 14.Qd3 Rc8 15.h3 Bd7 16.Qd4 e6 17.de6 Be6 18.Ne6 fe6 19.Qe3 Bb4 20.Qe6 Qe7 21.Qe7 Ke7 22.Ke2 Bc3 23.Bc3 Nfd5 (better is 23...Na4 24.Bb4 Kf7 25.Rc8 Rc8-+) 24.Bg7= Rc1 25.Bh8 Na4 26.g4 b5 27.Kd2 Rb1 28.Bg2 Rh1 29.Bh1 Nab6 30.Be4 Nc4 31.Kc1 Nf4 32.h4 Ng6 33.Bd4 Nh4 34.Bh7 Nf3 35.Bc3 Kf7 36.Be4 Nfe5 37.g5 Ng6 38.Bd5 Ke7 39.Bf6 Kf8 40.Kc2 Nf4 41.Bb7 a5 42.Bd4 Ne6 43.Bf6 Nf4 44.Kc3 Nd6 45.Bc6 b4 46.Kb3 Ng6 47.Ka4 Ne8 48.Bd8 Ne5 49.Be8 (49.Ba5?! Nc6 50.Bb4 Nb4 51.Kb4 Nf6=) 49...Ke8 50.Ba5 Kf7 (50...Nf3 51.g6 Kf8 52.Kb4 Kg7+=) 51.Bb4 (better is 51.f4 Ng6 52.Bc7+-) 51...Nf3= 52.Kb5 Kg6 53.Be7 Ng5 ½–½. Chernov,Vladimir I (1950) – Zibrova,Oksana, 7th A Ermaka Memorial, 2011. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Bb2 Bf5)

    6.c4 bc3 7.Nc3 Qd8 8.Nf3 e6 White has an active position 9.Bb5 Nd7?? there were better ways to keep up the pressure (9...Nc6 10.Ne5 Nge7 11.Qa4=) 10.Ne5?? White threatens to win material: Ne5xd7. stumbles just before the finish (better is 10.Bd7 and White wins 10...Qd7 11.Ne5+-) 10...Ngf6+= White has a very active position 11.Qf3 White threatens to win material: Qf3xb7 11...Rb8 (better is 11...a6 12.Bd7 Nd7 13.Nf7 Kf7+=) 12.g4 Bg6 Black has a cramped position 13.h4 White has a strong king attack 13...Bb4 14.Nd7 Nd7 White has a very active position 15.h5 White threatens to win material: h5xg6 15...0-0 (15...Bh5 16.Rh5 0-0 17.g5+/-) 16.hg6+/- fg6 White wins a piece 17.Qe3 White threatens to win material: Qe3xe6 17...Nf6? (better is 17...Rf7 18.Rc1 a6+/-) 18.0-0-0?? throwing away the advantage (18.Bc4 Kh8 19.Be6 Qc7+-) 18...Rc8?? weakening the position (better is 18...Qc8 would bring relief 19.Qh3 a6=) 19.Bc4!+- White prepares the advance d5. 19...Kh8 20.Be6 Re8 21.d5 Qa5 22.Rh3 Qa2 23.Rdh1 Rc3 24.Bc3 Ba3 25.Kd1 Qb1 26.Ke2 Qc2 27.Kf1 g5 28.Bf6 gf6 29.Rh7 (29.Rh7 Qh7 30.Rh7 Kh7 31.Bf5 Kg7 32.Qe8 Be7 33.Qg6 Kf8 34.Be6 a6 35.Qf7) 1–0. Sandmann,Bernd (2150) – Wetter,Ralf (1980), Muensterland Verbandsliga, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    6.c4 bc3 7.Nc3 Qe6 A) 8.Nge2 Nd7 (8...Qb6 9.Qb3 Qb3 10.ab3 Nf6 11.Nb5 Kd7 12.Na7 e6 13.Nc3 Bd6+= –0.53; 8...Nf6 9.d5 Qb6 10.Qb3 Qb3 11.ab3 e5 12.de6 Be6 13.Nd4 Nc6+= –0.41) 9.Rc1 Ngf6 10.d5 Qb6 11.Nd4 Qb2 12.Nf5 Rc8 13.Qd2 Qb4-+ –1.50; B) 8.Qe2 Nf6 (8...Qd7 9.d5 Nf6 10.Rd1 a6 11.Nf3 b5 12.Ne5 Qd6 13.g4 Bc8= –0.06) 9.Rd1 Nd5 10.Nd5 Qd5 11.Qb5 Qb5 12.Bb5 Bd7 13.Bc4 Ba4+= –0.63; C) 8.Be2 Qb6 9.Qb3 Qb3 10.ab3 e6 11.Nb5 Kd7 12.Na7 Bb4 13.Kf1 Na6+= –0.31.

    6.c4 Qc6 7.d5 Qc7 8.Nf3 =+.

    6.c4 Qd7 7.Nf3 e6 8.Ne5 Qc7 9.Qa4 Nc6 10.Nd2 Qa5 11.Qa5= Na5 12.g4 Bc2 13.Bg2 f6 14.Rc1 Ba4 15.Nd3 Rd8 16.0-0 Bc6 17.Ne4 Kf7 18.f4 h5 19.f5= Be4 20.fe6 Ke6 21.Be4 hg4 22.Nf4 Kd7 23.Bf5 Ke8 24.Ne6 Rb8 25.c5 Ne7 26.Bg4 Kf7 27.Nf4 f5 28.Nd3 g6 29.Ne5 Kg8 30.Bf3 Bg7 31.d5 Rd8 32.d6 Nec6= 33.Nc6 bc6 34.Bg7 Kg7 35.Rb1 Rb8 36.Rfe1 Rb7 37.Re6 Rd8 38.Re7 Kf6=+ 39.Rb7 Nb7 40.Rb4? Nc5-+ 41.Rc4 Nb7 42.Bc6 Nd6 43.Ra4 Rc8 44.Ra6 Ke6 45.Kf2 g5-+ 46.Ke3 Ke5 47.Ra5 Kf6 48.Ra6 Nc4 49.Kd4-/+ Nb6 50.Kc5 Nd7 51.Kd6 Nb8 52.Bb7 Rd8 53.Kc7 Na6 54.Kd8 Nc5 55.Bc6 g4 56.Kc7 Ke5 57.Bg2 Kd4 58.Kc6 a5 59.Kb5 a4 60.h4 f4 61.h5 Ne6 62.h6 Ng5 63.Ka4 f3 64.Bf1 g3 0–1. Sellberg,Joel – Sammalvuo,Tapani, FIN–chT, 1991.

    6.c4 Qe4 7.Be2 Nd7 8.Nf3+= Ngf6 9.0-0 Qc2 10.Qc2 Bc2 11.Rc1 Bg6 12.Nbd2 White intends c5 12...e6 13.c5 Be7 14.Nh4 (14.a3 Nd5+=) 14...Bh5-/+ 15.Bb5 Nd5 16.Nhf3 f6 (16...a6!? 17.Bc4 0-0-/+) 17.a3= a6 18.ab4 Rd8 (18...Nb4!? 19.Bc4 Kf7=) 19.Bc4+= Nb8 (19...Kf7!?+=) 20.b5+/- ab5 21.Bb5 Nc6 22.h3 (22.Ra7! Rb8 23.Rb7 Rb7 24.Bc6 Rd7 25.Ra1+-) 22...0-0 23.g3 Ra8 24.Kg2 Rfd8 25.Nc4 (25.Re1 Ra1 26.Ra1 Bg6=) 25...Ndb4 (25...Nc7 26.Bc6 bc6 27.Re1+=) 26.Ra8= Ra8 27.Ncd2 (27.Ne3 Bg6=) 27...Ra2 28.Bc3 Nd5 29.g4 Bg6 30.Bc4 Ra7 31.Bb2 (31.Nh4 Nc3 32.Ng6 hg6 33.Be6 Kf8 34.Rc3 Nd4=) 31...Ncb4+= 32.Ra1 Ra1 33.Ba1 Nc2 34.Bb2 Bd8 35.Bd5 (35.h4 h5 36.gh5 Bh5+=) 35...ed5 36.Bc3 Bc7 37.h4 Kf8 38.Nf1 Be4 (38...Kf7 39.Ng3+=) 39.Ng3 Bd3 40.Bd2 (40.Ne1 Ne1 41.Be1 Ke8+=) 40...Ke8 41.h5 (41.Ne1 Ne1 42.Be1 Bc2+=) 41...Kd7 42.Be3 (42.Bc3 Kc6 43.g5 fg5 44.Ng5 Kb5-/+) 42...Ne3 (42...b5 43.cb6 Bb6 44.g5-/+) 43.fe3+= g6 44.hg6 hg6 45.Kf2 Kc6 (45...g5 46.Ne1 Bc4 47.Nf3+=) 46.Ne1 (46.g5 fg5 47.Ng5 Bd8=) 46...Bb1 47.Ne2 Ba5 48.Nf3 Kb5 (48...g5!?+=) 49.Nf4= Be4 50.g5 Bd8 51.gf6 Bf6 52.Nd2 Bh4 53.Ke2 g5 54.Ne4 gf4 55.Nd6 Kc6 56.ef4 b6 57.Nf5 Bf6 58.cb6 Kb6 59.Kd3 Kc6 60.Ne3 Kd6 61.Ng4 Bg7 62.f5 Bh8 (62...Ke7 63.Ne3 Kf6 64.Nd5 Kf5 65.Ne3 Ke6 66.d5 Kd6 67.Ke4=) 63.Ke3 (63.Ne3 Bg7=) 63...Ke7= 64.Ne5 Kf6 65.Ng4 Kf7 ½–½. Ovsiannikova,Tatiana – Pavlenko,Ksenia, Krasnodar RUS, Region Ch (w), 2014. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Bf5)

    6.c4 Qe4 7.Be2 Qg2!? 8.Bf3 Qg6 9.Bb7 Be4 10.Qa4 Bc6 11.Bc6 Qc6 (worse is 11...Nc6 12.Nd2 Qe6 13.Ne2+=) 12.Qc6 Nc6 +=.

    6.c4 Qe4 7.Be2 Qg2 8.Bf3 Qg6 9.Nd2 Nd7 10.Bb7 Rb8 11.Bf3 e5 12.Ne2 (12.de5 Nc5 Combination) 12...Bd3 (12...e4!? 13.Rg1 Qe6+=) 13.Qa4 Be2 14.Be2 ed4 15.Bd4 Bd6 16.0-0-0 (better is 16.c5!? Bc7 17.Nf3+=) 16...Ngf6+= 17.Rhg1 Qh6 18.Bg4 Rd8?? (better is 18...Ng4 19.Rg4 A) 19...Qh2? 20.Bg7 Rg8 21.Ne4 (21.Qa7 Qh3 22.f3 f5 23.Re1 Kd8 24.Bf6 Nf6+-) 21...Bf4 22.Kb1 Rg7 23.Nf6 (23.Qd7?! Kf8=) 23...Kf8 24.Nd7 Kg8 25.Rf4 Qf4 26.Nb8+-; B) 19...Bh2?? 20.Bg7 (20.Rg7?! Qe6+=) 20...Qe6 21.Re4+- (21.Bh8?! Qg4 22.Re1 Kd8=); C) 19...Rg8=) 19.Rde1+- Be7?? (19...Kf8 20.Bd7 Kg8+-) 20.Re7! Ke7 (20...Kf8 21.Qb4 Kg8 22.Bd7 Qh2+-) 21.Qb4 Nc5 1–0. Meczynski,Waldemar (2220) – Nowak,Rafal (2095), Poznan Pocztowiec–ch op–A Poland, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Bf5)

    5.d4 Nf6

    6.a3 e5 7.Qe2 (7.de5 Qd1) 7...e4 8.c4 bc3 9.Nc3 (9.Nc3 Qd4; 9.Bc3 Bd6) 9...Qa5 10.f3 Nc6 11.Qb5 ef3 12.Nf3 a6 13.Qa5 Na5 14.0-0-0 Bf5 15.Re1 Be7 16.Re5 Nb3 17.Kd1 Ng4 18.Bc4 (18.Re2!? 0-0-0 19.Re7-+) 18...Ne5 19.Ne5 Nd4 20.Bf7 Kf8 21.Bd5 (21.Nd5 Bd6 22.Bd4 Be5-+) 21...Bf6 22.Nf7 Bc2 23.Kd2-/+ Bb3 24.Nh8= Rd8 25.Bb3 Nb3 26.Kc2 Nc5 27.Rf1 Kg8 28.Rf5 Nd3 29.Nd5 Nb2 30.Nf6=+ gf6 31.Kb2 Kh8 32.Rf6 Rd2 33.Kc3 Rg2 34.Rf7 Rh2 35.Rb7 Rg2 36.Ra7 Rg6 37.Kd4 h5 38.Ke4 h4 39.Kf5 Rc6 40.Kg4 Rc4 41.Kh3 Ra4-+ 42.Rb7 a5 43.Ra7 Kg8 44.Rb7 Kf8 45.Rh7 Ke8 46.Rh4 Ra3 47.Kg2 Ra1 48.Rh7 a4 49.Ra7 a3 50.Kf2 Kd8 51.Kg2 Kc8 52.Kf2 Kb8 53.Ra6 Kb7 54.Ra4 Kb6 55.Ra8 Kb5 56.Rb8 Kc4 57.Rc8 Kb3 58.Rb8 Ka2 59.Ke3 Rb1 60.Rd8 Kb2 61.Rd2 Kc1 62.Rh2 Rb2 63.Rh1 Kc2 64.Rh2 Kb3 65.Rh8 a2 (65...a2 66.Kd3 a1Q 67.Rb8 Ka2 68.Ra8 Kb1 69.Ra1 Ka1-+) 0-1. Jakubiec,Artur (2410) - Oral,Tomas (2405), CZE-chT, 1995.

    6.a3 e6 7.Nf3 Nc6 8.ab4 Bb4 9.c3 Be7 10.Nbd2 0-0 11.Bd3 b6 12.0-0 Bb7 13.Re1 Rfd8 14.Ne4 Qd7 15.Bc1 Ne4 16.Be4 Na5 17.Bc2 Rac8 18.Qd3 g6 19.Bg5 Bg5 20.Ng5 Qd5 21.Ne4 Kg7 22.f3 Qc4 23.Re3 Qd3 24.Rd3 Rc7 25.Ra3 Be4 26.fe4 Nc4 27.Ra2 Nd6-+ 28.Rf3 Nb5 29.Bd3 Nc3 (29...Nc3 30.Rc2 Rd4-+) 0–1. Lakota,Tomasz – Knapik,Andrzej (1650), Mistrzostwa Polski Juniorow, 2008.

    6.c4 Qa5 7.Nd2 e6 8.Ngf3 Be7 9.Bd3 0-0 10.0-0 Qc7 11.Qe2 Nbd7 12.Rfe1 Re8 13.Ne5 Nf8 14.Qf3 Ng6 15.Rac1 Bd6 16.Re2 Bd7=+ 17.Ne4 Be5 18.de5 Ne4 19.Qe4 Bc6 20.Qg4 Qe7 21.g3 Red8 22.Bc2 Rd7 23.h4 Rad8 24.h5 Nf8 25.Rce1 a5 26.Be4 h6 27.Qf3 Qc5-+ 28.Bc6 Qc6 29.Qg4 Rd3 30.Re4 Qd7 31.Bc1 Kh7 32.R4e2 Qd4 33.Re4 Qd7 34.R4e2 Rd4 35.Re4-/+ Rd1 36.Kh2 Qd3 37.Rd1 Qd1 38.Qh4 Rd7 39.Be3 Qf1 40.Bd4? Qc4-+ 41.Be3 Qa2 42.Rg4 Qe2 43.Rf4 b3 44.Rg4 b2 45.Rg7 Kg7 46.Qf6 Kg8 47.Qh6 Qg4 48.Bc5 Qg7 (48...Qg7 49.Qg7 Kg7-+) 0–1. Schulz,Hans Juergen (2100) – Trisic,A (2305), IHEM Hamburg GER (3), 2002.

    6.c4 Qe4 7.Be2 Bf5 8.Nf3 Qc2 9.Qc2 Bc2 10.Nbd2 e6 11.Rc1 Bg6=+ 12.d5 ed5 13.0-0 dc4=+ 14.Bc4 Nbd7 15.Bb5 a6-/+ 16.Bd7 Nd7 17.Nc4 f6 18.Rfd1 Rd8 19.Rd5 Be7-+ 20.Re1 Kf7 21.Nd4 Nb8 22.Rd8 Rd8 23.Ne6? Re8 24.Nc7 Rc8 25.Nd5 Bc5 26.Bd4 Kf8 27.Be3 Be3 28.Nce3 Nc6 29.Rc1 Rd8 30.Nc7 Bf7 31.Rc2 Nd4 32.Rb2 Rc8 33.Rb4 Rc7 34.Rd4 Rc1 (34...Rc1 35.Rd1 Rd1 36.Nd1 Ba2-+) 0–1. Schulz,Hans Juergen (2085) – Mellem,Niklas A (2205), Wichern op 5th (8), 1999.

    6.c4 Qe4 7.Be2 Bf5 8.Nf3 Qc2 9.Qc2 Bc2 10.Nbd2 e6 11.d5 Be7 12.Nd4 Bg6 13.de6 Na6 14.ef7 Kf7 15.N2f3 Nd7 16.0-0 Nac5 17.Rad1 Bf6 18.Bc1 Rhe8 19.Rfe1 Kg8 20.Be3 a6 21.Nb3 Re3? (better is 21...b6!?=) 22.fe3+/- Bc3 23.Nc5 Be1?? (better is 23...Nc5 24.Rf1 Re8+/-) 24.Rd7+- (24.Rd7 Bc3 25.Ng5+-; 24.Ne1?! Nc5 25.Bf3 Re8=; worse is 24.Nd7 Bc3+-) 1–0. Schulz,Hans Juergen (2090) – Knops,Peter (1875), Hamburg–ch qual, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.c4 Qe4 7.Be2 Qg2 8.Bf3 Qg6 9.Qa4 Nbd7 10.Qb4? (better is 10.Nd2-/+) 10...e5-+ 11.Qb3 e4 12.Qe3 Be7 (12...Kd8!? 13.Nd2 ef3 14.Ngf3-+) 13.Nd2? (13.Nc3 ef3 14.Ba3-+) 13...ef3-+ 14.Ba3 Ng8 15.0-0-0 Kd8 16.Ngf3 Ba3 17.Qa3 Ne7 18.Rhe1 Re8 19.Ne5 Ne5 20.de5 Qc6?? (better is 20...Bd7 21.Ne4 Nc8-+) 21.Nb3= Kc7 22.Na5?? (better is 22.Qd6 Kb6 23.Qb4 Kc7 24.Qd6 Kb6 25.Qb4 Kc7 26.Qd6=) 22...Qh6-+ 23.Kb2 Qb6 24.Ka1 Bf5 25.c5 Qb5 26.Nb3 Bc2 27.Nd4 Qa4 28.Qg3 Bd1 29.e6 Kc8 30.Qd3 Bh5 31.Nb5 Rd8 32.Nd6 Kc7 33.ef7 Bf7! 34.Re7 Rd7 35.Nb5?? Qb5!-+ 36.Qb5 Re7 37.Qa5 Kd7 38.Qa4 Kd8 39.Qd4 Rd7 40.Qg7 Kc7 41.Qe5 Kc6 42.Qe4 Bd5 43.Qa4 Kc7 44.Qf4 Kc6 45.Qa4 ½–½. Chebli,Musa – Lau,Wolfgang, Bayern–chI Bank Hofmann 2nd, 1998. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.c4 Qe4 7.Ne2 e6 8.Nd2 Qc6 9.Ng3 Be7 10.Nf3 Nbd7 11.Bd3 b6 12.Qe2 Bb7 13.d5 ed5?? (better is 13...Qc7-/+) 14.Nf5+/- Ne4 15.Ng7 Kd8? (better is 15...Kf8 16.cd5 Qd5=) 16.cd5+- Qd5 17.Be4?? (better is 17.Rd1 b3 18.0-0+-) 17...Qe4= 18.Qe4 Be4 19.Ne6 fe6 20.Bh8 Nc5 21.0-0 Kc7 22.Be5 Kb7 23.Nd4 Rg8 24.f3 Bd5 25.Rfd1 Na4 26.Nb3 Nc3 27.Rd3 a5 28.Bc3 bc3 29.Re1 Bf6 30.Kf2 a4 31.Nc1 Bg5 (better is 31...b5!?-/+) 32.g3 ½–½. Stoppel,Mariusz (2060) – Maciejewski,Mikolaj (1610), DMR KPZSzach Poland, 2010. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.0-0 Nc6 9.a3 Bd6 10.ab4 0-0 11.c4= Qh5 12.h3 Bh3 13.gh3 Qh3 14.Ne5 Qh4 15.Qd3 Ne4 16.Kg2 Be5 17.de5 Qg5 18.Kh2 Qf4 ½–½. Penzler,Frank (2450) – Hansch,Torsten (2260), RSS3D–14 remoteschach.de, 2005.

    6.Nf3 Bg4 7.Be2 e6 8.0-0 Nc6 9.a3 Qd7 10.ab4 Bb4 11.c4 0-0 12.Qb3 Qe7 13.Qe3 Rfd8 14.Na3 Rac8 15.Rfd1 a6 16.Nc2 Bd6 17.Qb3 Qc7 18.h3 Na5 19.Ra5 Bf3 (19...Qa5?! 20.hg4 Ng4 21.d5= (21.Qb7? Rb8 22.Qe4 Nf6-+)) 20.Bf3 Qa5 21.Ra1 Qc7 22.c5 Bf4 (better is 22...b6!? 23.cd6 Qc2 24.Qa3-+) 23.Qb7 Rb8 24.Qc7 Bc7 25.Bc3 g6 (better is 25...Nd5!? 26.Bd5 Rd5=) 26.Nb4= (worse is 26.Ra6 Rb1 27.Ne1 Nd5 28.Bd5 Rd5 29.Ra8 Kg7-/+) 26...Nd5 27.Bd5 ed5 28.Na6 Rb3 29.Bd2 Ra8 30.Bh6?? (better is 30.Nc7 Ra1 31.Kh2+=) 30…Ra6!-+ (30...Ra6 31.Re1 Re6-+) 0–1. Tsimbryla,Igor (2080) – Kononenko,Dmitry (2435), UKR–ch U18 sf, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.0-0 Be7 9.a3 ba3 10.Ra3? (10.Ba3 Ba3 11.Na3 Nc6+=) 10...0-0 (10...Ba3 11.c4 Qd6 (11...Bb2? 12.cd5 0-0 13.de6+-) 12.Ba3 Qf4-+) 11.c4-/+ Qd8 12.Rb3 Qc7 13.Nc3 a6 14.d5 ed5 15.Nd5 Nd5 16.cd5 Nd7 17.Qd4 Nf6 18.Rc1 Qd8 19.Rb7 Bc8 20.Re7 Qe7 21.Bd3 Rd8 22.Re1 Qb7?? (22...Qf8 23.Qa4 Qd6+= (23...Nd5?? 24.Ba3+-; worse is 23...Rd5 24.Bf6 gf6 25.Bh7 Kh7 26.Qe4 Kg7 27.Qd5+/-)) 23.Ng5+- Rb8 (23...Kh8 24.Bh7! Nh5+-) 24.Bh7! Kh8 (24...Nh7 25.Qg7 Mate attack) 25.Qf6!! gf6 (25...gf6 26.Bf6 Mate attack) 26.Bf6 1–0. Brown,P – Roberts,P (2210), corr, 1996. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.c4 bc3 9.Nc3 Qa5 10.–0 Be7 11.Qb3 Nbd7 12.h3 (12.Qb7?? Rb8 13.Qc6 Rb2-+) 12...Bh5 13.g4 (13.Qb7?? Rb8 14.Qc6 Rb2-+) 13...Bg6 14.Ne5 0-0 (14...Rd8 15.Nd7 Nd7 16.d5-/+) 15.Nc4? (15.g5 Ne5 16.gf6 Bf6 17.de5 Qe5 18.Bf3= (18.Qb7? Rab8 19.Ne4 Qb2 20.Nf6 Qf6-+)) 15...Qc7-/+ 16.Nb5 Qb8 17.Rac1 a6 18.Nba3 Nd5 19.Ne5 Ne5 20.de5 Bg5 (20...Nf4 21.Bf3-+) 21.Rc4 (21.Rcd1!?-/+) 21...b5 22.Rc5 Nf4 23.Re1? (23.Bf3 Qa7 24.Bd4 Rad8-+) 23...Ne2 (better is 23...Qa7 24.Bd4 Be7 25.Qc3 Bc5 26.Qc5-+) 24.Re2 Rc8 25.Rc8 Qc8 26.Qb4 (26.Nc2 Qc7-+) 26...Qd7 (26...Qb7 27.Re1 Qf3 28.Qc3-+) 27.f4 (27.Re1-+) 27...a5 (better is 27...Qd3 28.Qd2 Bf4 29.Qd3 Bd3-+) 28.Qd4-/+ Qd4 29.Bd4 Bf4 30.Nb5 Rc8 31.Nd6 Rc1 32.Kf2 h5 33.Bb2 Rd1-+ 34.Ne4 Rd3 35.Kg2 hg4 36.hg4 Be4 37.Re4 Rd2 38.Kf3 Rb2 39.Kf4 Ra2 40.Rc4 g6 41.Rc8 Kg7 42.Ra8 a4 43.Ra7 a3 44.Ra5 Ra1 45.Kg5 a2 0–1. Knudsen,Jes West (1870) – Bar,Aviv (2145), Caleta ENG, Gibraltar Masters, 2014. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.Nf3 Bg4 7.Be2 e6 8.c4 bc3! 9.Nc3 (9.Nc3 Bb4 Pinning (9...Bb4 Decoy); 9.Bc3 Nbd7 Combination) 9...Bb4 10.0-0 Bc3 11.Bc3 Nc6 12.Rb1 0-0 13.Rb5 Qa2 14.Bd3 (14.Rb7 Nd5 15.Rb2 Qa3-/+) 14...Rfd8 15.h3 Bf3 16.Qf3 Nd4 17.Qg3?? (better is 17.Bd4 Rd4 18.Rd1-+) 17...Ne4! (17...Nb5 18.Bf6 g6 19.Bd8 (worse is 19.Bb5 Rd5 20.Ra1 Qa1 21.Ba1 Rd1 22.Kh2 Ra1=) 19...Rd8 20.Bb5+=) 18.Qh4 (18.Be4 Ne2 Double attack (18...Qe2 Decoy)) 18...Nb5 (18...Nc3 19.Qh7 Kf8 20.Rb7 Nde2 21.Be2+-) 19.Be4 Nc7 (better is 19...h6 20.Ba1 Rd7-+) 20.Qh7 (20.Bh7 Kh8 21.Bf6 Qf2 22.Rf2 Rd1 23.Rf1 Rf1 24.Kf1 Ne8 25.Be4 Kg8 26.Qh7 Kf8 27.Qh8) 20...Kf8 21.Bb7?? (better is 21.Bb4 Ke8 22.Qg8 Kd7 23.Qf7 Kc8 24.Rc1 Rd1 25.Rd1+-) 21...Rab8?? 22.Qh8 Ke7+= 23.Qh4?? f6-+ 24.Qg4 Kf7 (24...Kf7 25.Qh5 Kg8 26.Bf6 Rd7-/+ (26...Rb7?! 27.Bd8 Qd5 28.Qh4=); 24...Rb7 25.Qg7 Kd6 26.Rd1 Kc6 27.Rd8 Rb1 28.Kh2 Qf2 29.Qd7 (29.Bf6?? Qf4 30.Qg3 Rh1 31.Kh1 Qg3-+; 29.Qf6?! Qf6 30.Bf6 Rf1=) 29...Kb7 30.Qc8 Kc6 31.Qd7 Kb7 32.Qc8 Kc6 33.Qd7=) 0–1. Capron,Daniel (2060) – Sidhoum,Jacky (2180), FRA–ch, 1981. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Bb2)

    6.Nf3 g6 7.c4=+ bc3 (7...Qd6 8.c5 Qf4 9.a3=) 8.Nc3= Qa5 (8...Qd8 9.Qb3 Bg7 10.Bb5 Nbd7 11.0-0=) 9.Bc4 Qb4 (9...Bg7 10.0-0=) 10.Qe2 (10.Qb3 e6 11.0-0 Nc6+-) 10...Bg4 (10...Bg7!?=) 11.0-0+= Bf3 12.gf3 a6 13.a4 (13.Rab1 Nc6 14.Ne4 Ne4 15.fe4 Na5+=) 13...Nc6 14.Rfd1 Na5 (14...Bg7 15.d5 Ne5 16.Qe5 Qc4+=) 15.Bb5 (15.Ba2!?+=) 15...ab5= 16.Nb5 Nd5 17.Ba3? (better 17.Qe5 Qb2 18.Qd5=+) 17...Qc4?? (better 17...Qb3 18.Qe5 Qf3 19.Qd5 Qd5 20.Nc7 Kd8 21.Nd5 e6-/+) 18.Nd6+- (18.Nd6 Kd8 A) 19.Qc4?! Nc4 20.Nc4 Bg7= (20...Ra4? 21.Be7 Ke7 22.Ra4+-); B) 19.Nc4 Nc4 20.Qc4+-) 1–0. Faccia,S (2010) – De Grandi,S (1965), Verona Open (2), 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    6.c4 bc3

    7.Nc3 Qd8 8.Bc4 e6 9.Nge2 a6 10.a4 Bd6 11.Qd3 b6 12.0-0 Bb7 13.Ng3 0-0 (13...Nc6 14.Nce4 Ne4 15.Ne4-/+) 14.Nce4? (better is 14.d5!? ed5 15.Nd5 Bd5 16.Bd5 Nd5 17.Qd5+=) 14...Ne4-+ 15.Ne4 Bh2! 16.Kh2 Qh4 17.Qh3 Qh3 (17...Qe4?! 18.Bd3 Qf4 19.g3-/+) 18.gh3 Be4 19.Rae1 Bg6 (19...Bc6 20.Rg1 g6 21.Ra1-+) 20.d5 ed5 21.Bd5 Ra7 22.Re3 Rd7 23.Ba8 f6 24.Re6 b5 25.ab5 ab5 26.Rfe1 Bf7 27.Re7 Rd2 28.R1e2 Re2 29.Re2 Re8 30.Rd2 Bc4 31.Bd5 Bd5 32.Rd5 b4 33.Kg3 Kf7 34.Rc5 Nd7 35.Rc4 Rb8 36.f4 Ke6 37.Kf3 Kd5 38.Rc7 Kd6 39.Rc2 Nc5 40.Rg2 Rb7 41.h4 Kc6 42.h5 h6 43.Rc2 Kb5 44.Ke3 b3 45.Rd2 Re7 46.Kf3 Na4 47.Ba3 Rc7 48.Rd3 Rc3 49.Rc3 Nc3 50.Kg4 Ka4 51.Bc1 Nd5 52.Kf5 Kb4 53.Bb2 Kc4 54.Kg6 Nf4 55.Kg7 Nh5 56.Kh6 Ng7! 57.Kg6 f5 58.Kg5 Kd3 59.Kf4 Ne6 60.Kf5 Kc2 61.Ba1 Nc5 62.Kg6?? Na4 63.Kf5 Nb2 64.Ke4 Kb1 65.Kd4 Ka1 66.Kc3 Ka2 0–1. Parpinel,Marco (1605) – Vocaturo,Daniele (2155), ITA–ch U20, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3)

    7.Nc3 Qd8 8.d5 g6 (8...e5 9.de6 Be6 10.Qd8 Kd8 11.Nf3-/+) 9.Nf3 (9.Qa4 Nbd7=) 9...Bg7=+ 10.Bb5 Nbd7 11.d6 0-0 12.0-0 ed6 13.Qd6 a6 14.Be2 Nb6 (14...Re8 15.Rfe1-/+) 15.Qb4 Nfd5 16.Nd5 Nd5 17.Qb3 Bb2 18.Qb2 Qf6 19.Qf6 Nf6 20.a4 Re8 21.Nd4 Bg4 22.f3 Bd7 23.Rfb1 Rab8 24.a5 Re5 (better 24...Rbd8!? 25.Bc4 Rc8-/+) 25.Ba6+= The backward pawn on b7 becomes a target 25...Ra8 26.Bb7 Raa5 27.Ra5 (27.h4 h6+=) 27...Ra5 28.Ne2 Ra2 29.Nc3 Rc2 30.Nd5 Kg7 31.Nf6 Kf6 32.Be4 (32.h4 Bf5 33.g4 Be6=) 32...Rd2=+ 33.h4 Ke5 34.Kh2 f5 35.Ba8 Rd4 36.Kg3 f4 37.Kh2 Bf5 38.Rb5 Kf6 39.Rb6 Kg7 40.h5 (40.g4!? fg3 41.Kg3=) 40...gh5=+ 41.Rb5 Bg6 42.Be4 (42.Rd5 Rd5 43.Bd5 Kf6-/+) 42...Kh6 (42...Be4!? 43.fe4 Re4 44.Rh5 Kg6-/+) 43.Rb6 Kg5 44.Rb5 Kh4 45.Rb7 (45.Re5 Rd2=+) 45...Rd2 (45...Be4 46.fe4 Re4 47.Rh7-/+) 46.Bg6 (better 46.Rb4!?=+) 46...hg6-+ 47.Rb6 g5 48.Rf6 (48.Rb4 Rc2 49.Rd4 Rb2=+) 48...Rd4 49.Rf7 g4 (better 49...Rd8-+) 50.Rf4= Rf4 (50...Rd3 51.Ra4=) 51.g3 Kg5 52.gf4 Kf4 53.fg4 hg4 54.Kg2 g3 55.Kg1 Kg5 56.Kg2 Kg4 57.Kg1 Kh3 58.Kh1 Kh4 59.Kg2 Kg4 60.Kg1 Kf4 61.Kg2 Kg4 ½-½. Nadimifar,A (2210) - Corrales Jimenez,F (2530), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6)

    7.Nc3 Qd8 8.Nf3 e6 9.Bd3 Nc6 10.0-0 Bd6 11.Nb5 Bb8 12.Ba3 a6 13.Nc3 b5 14.Ne4 b4 15.Bb4 Nb4 16.Qa4 Bd7 17.Qb4 a5 18.Qc5+= Ba7 19.Qa3 Bc6?? 20.Nd6+- Kd7 21.Rfc1 Bf3 22.Bb5 Ke7 23.Nf5 1–0. usingprogram – koksuwroclaw, internet, 2011.

    7.Nc3 Qd8 8.Nf3 e6 9.Bd3 Be7 10.0-0 0-0 11.Qc2 Nc6 12.a3 b6 13.Ne4 Bb7 14.Nf6 Bf6 15.Bh7 Kh8 16.Be4 Rc8 17.Qa4 Qe7 18.Bc3 Rfd8 19.Qb5 g6 20.Qb2 Kg8 21.Rfe1 Qf8 22.Rad1 Qg7 23.Rd2 Rc7 24.Rc1 Rdc8 25.Rdc2 Qf8 26.d5 Bc3 27.Rc3 ed5 28.Bd5 Qg7 29.Qd2 Rd7 30.Qg5 Rd6 31.h3 Qf8 32.Nd2 Qd8 33.Qd8 Rcd8 34.Ne4 Rd5 35.Nf6 Kf8 36.Nd5 Rd5 37.Rc6 Bc6 38.Rc6 Ra5 39.Rc3 Ke7 40.Kf1 Ra4 41.Ke2 b5 42.Kd2 a5 43.Kc2 b4 44.Re3 Kd6 45.Kb2 ba3 46.Ra3 Ra3 47.Ka3 Kd5 48.Ka4 Ke4 49.Ka5 Kd3 50.h4?? f5-+ 51.f3 f4 52.Kb4 Ke2 53.Kc3 Kf2 54.Kd2 Kg2 55.Ke2 Kg3 56.Ke1 Kf3 57.Kf1 Kg3 (57...Kg3 58.Ke2 f3 59.Ke3 f2-+) 0–1. Lakota,Tomasz – Cukrowski,Filip (1745), Mistrzostwa Polski Juniorow, 2008.

    7.Nc3 Qa5

    8.Bb5 Bd7 9.Qb3 Bb5 10.Qb5 Qb5 11.Nb5 Nd5 12.Nf3 e6 13.0-0 Bb4 14.a3 Be7 15.Nc3 Nc3 16.Bc3 0-0 17.Rfb1 b6 18.Ne5 Rc8 19.Bb4 Bb4 20.ab4 f6 21.Nf3 a6 22.b5 a5 23.Rc1 Rc1 24.Rc1 Nd7 25.Kf1 Kf8 26.Rc3 Ke7 27.Ke2 a4 28.Ra3 Kd6 29.Kd3 Kd5 30.Nd2 e5 31.de5 Ne5 (31...Ke5?! 32.Kc3 Rc8 33.Kb2-/+) 32.Kc3 Kc5 33.f4 Ng6 (33...Kb5?! 34.fe5 fe5 35.Nf3=) 34.Nb3 Kb5 (34...ab3?! 35.Ra8 Nf4 36.Ra7+=) 35.Nd4 Kc5 36.g3 b5 37.Ne6 Kb6 38.Ng7 Ka5 39.Kb2 Rd8 40.Kc1 b4 (40...b4 41.Re3 a3-+) 0–1. Russ – Gundlach, corr, 1989. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qa5 7.d4 Nf6)

    8.Bc4 Qb4 9.Qb3 e6 10.Nf3 Nc6 11.0-0 Qb3 12.ab3 Be7 13.Ne5 0-0 14.Nb5 a6 15.Nc7 Ra7 16.Nb5 Ra8 17.Nc7 Rb8 18.Na6 Ne5 (18...Ra8 19.Nc6 bc6 20.Nc5 Ra1 21.Ra1+=) 19.Nb8+/- (worse is 19.de5 ba6 20.ef6 gf6+=) 19...Nc4 20.bc4 Bd8? (20...Bd6 21.Ba3 Bb8 22.Bf8 Kf8+-) 21.Ba3+- Re8 22.Bd6 Ne4 23.c5 Bf6 24.Be5 Be5 25.de5 Nc5 26.Rfd1 f6 27.Rac1 b6 (27...Na4 28.Nd7 Kf7 29.Rc7+-) 28.Rd6 fe5 (better is 28...Bb7 29.Rb6 Rb8 30.Rc5 Ra8+-) 29.Rb6 Nd7 30.Nd7 Bd7 31.Rc7 Ra8 32.f3 Be8 33.Rbb7 (33.Re6 g6+-) 33...Bg6 34.Rg7 Kh8 35.h4 Re8 36.h5! Bd3 37.h6 Bg6 38.Rge7 Rc8 39.Re6 Kg8 40.Re5 Rc1 41.Kh2 Rc4 42.Ra5 Rc8 43.g4 Rf8 44.Kg3 Bd3 45.Rg7 Kh8 46.Rga7 Bg6 47.Ra8 Be8 48.Re5 1–0. Proschmann,T (2090) – Humburg,Philipp (2050), Dresden GER, 2013. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5)

    8.Bd3 Nc6 9.Nge2 Bf5 (9...e6 10.0-0-/+) 10.Bf5+= Qf5 11.0-0 e6 12.Ng3 Qa5 13.Nce4 Ne4 14.Ne4 Ba3 (14...Rd8 15.Qc2-/+) 15.Bc3 Bb4 (better is 15...Qd5!? 16.Re1 Be7-/+) 16.Nd6= Ke7 17.Nb7 Qb5 18.Bb4 Nb4 (better is 18...Qb4!? 19.Rb1 Qd4+=) 19.Nc5+/- Rab8 20.Qg4 Nd5 (20...Nc2 21.Rac1 Qb2 22.Qh4 Ke8 23.Qe4 Nd4 24.Rb1 Qb1 25.Rb1+-) 21.Rae1 (better is 21.Qg7 Rbg8 22.Qe5+/-) 21...Rhe8? (better is 21...Kf8+/-) 22.Qg7+- Kd8? (22...Rb6+-) 23.Qf7 (23.Qf7 Rb6 24.Ne6 Kc8 25.Nc5+-) 1–0. Schulz,Hans Juergen – Bastel,Dirk, Schleswig Holstein–chC, 1989. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5)

    8.Bd3 e6 9.a3 Be7 10.Nf3 0-0 11.0-0 Nbd7 12.Re1 Nb6 13.Ne5 Nbd5 14.Qf3 Nc3 15.Bc3 Qd5 16.Qh3 g6 17.Bc4= Qd8 18.Qf3 Rb8 19.a4 Nd5 20.Bb2 a6 21.a5 Bb4 22.Reb1 f6 23.Ng4 b5 24.ab6 Rb6 25.Rc1 Bb7-/+ 26.Qh3 Nf4-+ 27.Qh6 Bd2 28.Ne3 Ng2 29.Rc2?! Ne3 30.fe3 Bb4 31.Rf1 Rf7 32.Rcf2 Bf8 33.Qh3 f5 34.d5 Bd5 35.Bd5 Qd5 36.Rg2 e5 37.Qg3 Bg7 38.Bc3 Qc5 (38...Qc5 39.Bd2 f4-+) 0–1. Schulz,HJ (2040) – Rosmann,I (2240), 10th IHEM Hamburg GER (4), 2007.

    8.d5 e6 9.Bb5 Bd7 10.Bd7 Nbd7 11.de6 fe6 12.Nge2 Bc5 13.0-0 0-0 14.Nf4 Qb4 15.Nd3 Qh4 16.Nc5 Nc5 17.Qd6 b6 18.h3 Rad8 19.Qc7 Rd7 20.Qe5 Rd2 21.Ba3 Nfd7 22.Qe1 Qd4 23.Bc5 Nc5 (23...bc5?! 24.Qe6 Kh8 25.Ne4=; worse is 23...Qc3 24.Bf8 Nf8 25.Rd1+/-) 24.Rd1 Rd1 25.Nd1 Rd8 26.Qe2 Qd3 27.Qb2 Qd2 28.Qa3 a5 29.Ne3 Rd3 30.Qc1 Qa2 31.Rd1 (31.Nc4!?-+) 31...Qb3 32.Rd3 Qd3 (32...Nd3?! 33.Qc8 Kf7 34.Qd7 Kg6 35.Qe8 Kf6 36.Qf8 Ke5 37.Qg7 Kd6 38.Qf8 Kd7 39.Qf7 Kc6 40.Qe8 Kc5 41.Qe7 Kd4 42.Qh7-/+) 33.Qb2 Nd7 34.Qc1 Nf8 35.Qc7 a4 36.Qb6 a3 (36...a3 37.Qc6 a2-+) 0–1. Picco,Ruggero (2035) – Mascellani,Marco (2265), ITA–chT A1, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5)

    8.Qf3 Nc6!? 9.Bb5 Bg4 10.Bc6 Kd8-/+.

    8.Qf3 e6 9.Bb5=+ Nbd7 10.Nge2 Bd6 11.0-0 0-0 12.Ng3 Bg3 (12...e5 13.Rad1=+) 13.Qg3 Nd5 (13...Nb6!?=+) 14.Nd5+= ed5 15.Bd3 (15.a4 Rd8+=) 15...Qb6 (15...Nf6 16.Rfc1=) 16.Ba3 Re8 17.Rab1 Qf6 (17...Qe6 18.Qc7+=) 18.Rfe1+- Re6 19.Qc7 Nf8 (better 19...g6+-) 20.Be7?? (better 20.Re5 Ng6 21.Rd5+-) 20...Re1 (20...Qd4 21.Qc2=+) 21.Re1= Qb6 22.Qg3 (22.Qc2 g6=) 22...Bd7 23.Bd6 (23.Rb1 Qd4 24.Rb7 Re8=+) 23...Re8 (23...Qd4 24.h4=+) 24.Be5 (24.Re8!? Be8 25.Qe5=) 24...Ng6-/+ 25.Rb1 Qc6 (25...Qa5 26.h3 Bc6 27.Bd6-/+) 26.Bd6 a6 (26...b6 27.h4=+) 27.h4= Nf8 28.h5 h6 29.Be5 f6 30.Bf4 f5 (30...Kh8 31.Kh2=) 31.Be5 Re7 32.Qf4 Rf7 33.Rc1 Qa4 34.Qf3 (34.Qd2 Bb5=) 34...Qa2 35.Rc7 (better 35.Bc2=) 35...Be6?? (better 35...Qb3=+) 36.Rf7+- Kf7 37.Bf5 Bf5? (better 37...Qd2!? 38.Be6 Ke6+-) 38.Qf5 Kg8 39.Qg4?? (better 39.Bd6 Qa1 40.Kh2 Qd4 41.Qf8 (41.Bf8?! a5+-) 41...Kh7 42.Qf5 Kh8 43.Kg3 Qc3 44.f3 Qe1 45.Kg4+-) 39...Qb1 40.Kh2 Qh7 (40...g5 41.Qf3 Qh7 42.Qf6=) 41.Qc8 (41.f4 g6+=) 41...g5 42.hg6 Qg6 43.Qb7 Qh5 44.Kg3 Qg6 45.Kh2 Qh5 46.Kg3 ½–½. Simonsen,Olavur (2170) – Petersen,Terji (2050), FM i Klaksvik Landslids, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5)

    8.Nf3 e6 9.Qb3 Nc6 10.Bb5 Bb4 11.0-0 0-0 12.Bc6 bc6 13.Ne5 Bd6 14.Nc4 Bh2 15.Kh2 Qh5 16.Kg3?? (16.Kg1 Ng4 17.Rfc1 Qh2 18.Kf1=) 16...Qg4-+ 17.Kh2 Qh4 (17...Qh4 18.Kg1 Ng4-+) 0–1. Faccia,S (2020) – Begelman,Boris (2125), 26th Porto San Giorgio Op, 2015. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5)

    8.Nf3 e6 9.Bd3 Bb4 10.0-0 Bc3 (10...0-0!? 11.Qc2 Rd8-/+) 11.Bc3= Qc7 (11...Qd5 12.Ne5=+) 12.d5 Nd5 (12...ed5 13.Bf6 gf6 14.Re1 Be6 15.Bf5+/-) 13.Bg7+= Rg8 14.Be5 Qd8 15.Bh7 Rf8? (better 15...Rg4+/-) 16.Bg7+- Nc6 17.Bf8 Kf8 18.Re1 f5 19.Qd2 Qf6 20.Ng5 Kg7 21.h4 (21.Rab1 Na5+-) 21...Bd7 22.Rab1 b6 23.Rb3 Rh8? (better 23...Rc8+-) 24.Rg3 Kf8 (24...Rh7 25.Ne4 Qg6 26.Rg6 Kg6 27.Qg5 Kf7 28.Nd6 Kf8 29.h5+-) 25.Bf5! Qf5 (25...ef5 26.Qd5 Deflection (26.Qd5 Overloading); 25...Qf5 26.Rf3 Pinning (26.Rf3 Decoy)) 26.Rf3 Nce7 (26...Qf3 27.Nf3 a6+-) 27.Rf5 Nf5 (27...ef5 28.Re7! Ke7 29.Qd5+-) 28.Ne6 Be6 29.Re6 Nde7 (29...Nfe7 30.Re7! Ke7 31.Qd5+-) 30.Qg5 Rh7 31.g4 Nh4 (31...Rg7 32.Qh5 Kg8 33.Kh2 Rg4 34.Qg4 Kf7 35.Re5+-) 32.Rf6 Ke8 (32...Rf7 33.Qh4 Rf6 34.Qf6 Ke8+-) 33.Qb5 Kd8 34.Rd6 Kc8 35.Qe8 (35.Qc4 Kb8 36.Rd8 Kb7 37.Rd7 Ka8 38.Qe4 Nc6 39.Qc6 Kb8 40.Qb7) 35...Kb7+- 36.Qd7 Ka6 37.Qa4 (37.Rd3 Nf3 38.Rf3 Rh5 39.gh5 b5 40.Rb3 b4 41.Rb4 Nc6 42.Qc6 Ka5 43.Qb5) 37...Kb7 38.Rd7 Kc8 39.Qa7 Nf3 40.Kg2 Nh4 (40...Ne1 41.Kf1 Rh1 42.Ke2 Nd3 43.Qc7) 41.Kf1 (41.Kf1 Nf3 42.Qc7) 1-0. Nadimifar,A (2210) - Jones,G (2675), Titled Arena May 8th, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5)

    8.Nf3 e6 9.Bd3 Bb4 10.Rc1 Nc6 11.0-0 Bd7 12.Bb1 0-0-/+ 13.Qd3 Qh5 14.Ne2 Bd6 15.Ng3 Qh6 16.Ne5 Nb4 17.Qb3 Bb5 18.Rfe1 a5 19.a4 Ba6 20.Rcd1 g6 21.Bc1=+ Qg7 22.Ne4 Ne4 23.Be4 Rfe8 24.Ng4 f5 25.Bf5 gf5 26.Re6 Kh8 27.Nh6 Re6 28.Qe6 Qe7? 29.Qd6!+- Qd6 30.Nf7 Kg7 31.Nd6 Kf6 32.h4 Ke6 33.Bf4 Nd3 34.Bh2 Rd8 35.d5 Kf6 36.f3 Rd7 37.g4 f4+= 38.Ne4 Ke5 39.d6 Bc4 40.Kg2 b5+= 41.ab5 Bb5 42.Nc3 Bc4 43.Ra1 Rd6 44.Ra5 Kd4 45.Ne4 Ne1 46.Kf2 Nd3 47.Kg2 Ne1 48.Kh1 Rd8 49.Nd2 Be2 50.Bf4+= Nf3 51.Nf3 Bf3= 52.Kh2 Bg4 53.Ra4 Kd3 54.Bg5 Rd4 ½–½. Rusan,P (2310) – Georgescu,T (2180), Open Predeal ROM (2), 2006.

    8.Nf3 e6 9.Ne5 Bb4 10.Rc1 Qa2-+ 11.Nc4 Nd5 12.Bd3 b5 13.Nd6? Ke7 14.0-0 Bc3 15.Nf5 ef5 16.Bc3 Be6 17.Qe1 Qb3 18.Bf5 Nd7 19.Bd2 Rhc8 20.Bg5 N5f6 21.Be4 Kf8 22.Ba8 Ra8 23.Rc3 Qd5 24.Qc1 b4 25.Rc6 a5 26.Bf4 Ne4 27.Rc8 Rc8 28.Qc8 Ke7 29.Rc1 Nc3 30.Re1 Kf6 31.Qd8+= Kg6 32.Re5 Qe5 33.Be5 b3 34.h4? h6-+ 35.d5 b2 36.Bc3 b1Q 37.Kh2 Bf5 38.Qa5 Qe4 39.g3 Qf3 (39...Qf3 40.Qb4 Qf2 41.Kh1 Qf3 42.Kh2 Be4 43.Qe4 Qe4 44.Bg7 Qe2 45.Kg1 Kg7 46.Kh1 Ne5 47.g4 Nf3 48.d6 Qf1) 0–1. Knudsen,JesW (2035) – Erdelyi,T (2275), Caissa IM August II (1), 2005.

    8.Bc4 e6

    9.Nge2 Bb4 10.0-0 0-0 11.Qb3 Nbd7 12.a3 Be7 13.Ng3 Nb6 14.Bd3 Bd7 15.Rfe1 Na4 16.Na4 Qa4 17.Qa2 Bb5-/+ 18.Bb5 Qb5 19.Re5 Nd5 20.Nh5 Rac8 21.Nf4-/+ Rfd8 22.Rae1 Bf6 23.a4? Qa5 24.Nd5 Be5 25.Ne7 Kf8 26.Re5 Qd2 27.Ng6 Kg8 28.Ne7 Kh8 29.Qb1 Rc2 30.Kh1 Rb2 31.Qh7 Kh7 32.Rh5 Qh6! (32...Qh6 33.Rh6 Kh6-+) 0–1. Schulz,HJ (2095) – Gollasch,T (2115), IHEM Hamburg GER (6), 2003.

    9.Nge2 Qh5 10.Qb3 a6 11.Ng3 Qh4 12.Na4 Nbd7 13.0-0 (13.Nb6 Nb6 14.Qb6 Nd7-/+) 13...Be7 (13...b5 14.Be6 fe6 15.Qe6 Kd8 16.Nb6-/+) 14.Rfe1? (better is 14.Be2-/+) 14...0-0?? (14...b5 15.Be6 fe6 16.Qe6 Ng8=) 15.Be6= Bd6 (worse is 15...fe6 16.Qe6 Kh8 17.Qe7+/-) 16.Bh3 b5 17.Qf3 Rb8 18.Nf5 Qf4 19.Ne7 Kh8 20.Qf4 Bf4 21.Nc5 Nc5 22.dc5 Bh3 23.gh3 Rfe8 24.Rad1 h6 25.Rd4 Bc7 26.Rdd1 Ba5 27.Re3+= Bb4 28.Bf6 gf6 29.Rd5+/- Rbd8 30.Rh5 Kh7= 31.Re4 Rd7 32.Rb4= Rde7 33.Rbh4 Rg8 34.Kf1 Rg6 35.f4 Kg7 36.Kf2 Rd7 37.Ke3 Rd1 38.Ke4 b4 39.Rd5 Ra1 40.Rd4 a5 41.Rd2 Rc1 42.Rh5 Rgg1 43.Rhd5 Rc4 44.R2d4 Rc3 45.Rd3 Re1 46.Kf5 a4 47.Rd2= Rg1 48.Rb2 Rc4 49.c6 Rf1 50.Rg2+= Kf8 51.Kf6 Rc6-/+ 52.Kf5 Rc4-+ 53.Rg4 Rf2 54.Rd6 Ke7 55.Rh6 Ra2 56.Rb6 Rc7?? 57.Rg3? Rc5 58.Kg4 b3 59.Re3 Kf8 60.Rb8 Kg7 61.Ree8 Rc6 62.Rg8 Kf6 63.Rh8 b2?? 64.Rb5?? Rc1-+ 65.Rh6 Kg7 66.Rhb6 a3 67.f5 Rc7 68.f6= Kh7 69.Rh5 Kg6 70.Rb8?? Ra1 71.Rbh8 Rg1 72.Kh4 Rc4 0–1. Knudsen,JW (2010) – Bekker Jensen,D (2335), DEN–chT, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6)

    9.Nf3 Bb4 10.Rc1 0-0 11.0-0 Nc6 12.Qd3 Rd8 13.Ne4 Be7 14.a3 Bd7 15.Bb3 Qb6 16.Nf6 Bf6 17.Rb1 Ne7 18.g4? Bb5-+ 19.Qe4? Bf1 20.Bc2 g6 21.Kf1 Rac8 22.Bd3 Qc6 23.Qf4 Nd5 24.Qd2 Nc3 25.Qf4 Nb1 26.Qf6 Qf3! 27.Bf5 ef5 (27...ef5 28.h4 Qh1 29.Ke2 Rc2 30.Ke3 Qe4) 0–1. Reh,Stefan – Schlichtmann,Gisbert (2215), Bad Zwesten op (3), 1999.

    9.Nf3 Nbd7 10.0-0 Be7 11.Re1 0-0 12.d5 Ba3 (better is 12...Nb6!? 13.Bd3 Nbd5 14.Nd5 Nd5-/+) 13.Ba3= Qa3 (worse is 13...Qc3 14.Bb3 Qa5 15.Bf8 Nf8 16.d6+/-) 14.Rc1 ed5 15.Nd5 Nd5 16.Bd5 Nf6 17.Re3 Qa5 18.Bb3 Bg4 19.h3 Bh5 20.Qd4 Rfc8 21.Rc8 Rc8 22.g4 Rd8 (22...Bg6 23.g5 Ne8 24.Qd7=) 23.Qc4 b5 24.Qc5 Bg6 25.Re7 a6 26.Ng5 f7 becomes the focus of attention 26...Ne4 27.Qe3 Nd6? 28.Nf7 Bf7 29.Bf7 Kh8 30.Qe5 Qd2 31.Bd5 Qh6 32.Re6 Qc1 33.Kg2 Qc5 34.Re7 Rg8 35.Bg8 Qe5 36.Re5 Kg8 37.Re6 Nc4 38.Ra6 Kf7 39.Ra7 Kf6 40.f4 h6 41.h4 h5 42.Ra6 Kf7 43.gh5 Ne3 44.Kf3 Nf5 45.Kg4 Ne7 46.Rb6 Ng8 47.Rb5 Nf6 48.Kf3 Ke6 49.Rb6 Ke7 50.Rf6! Kf6 51.a4 Ke6 52.f5! Kd5 (52...Kf5 53.a5 Passed pawn) 1–0. Peker,Serdar (1675) – Gozubuyukoglu,S (1915), ch–TUR Kemer–Antalya TUR, 2011. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qa5 7.Bb2 Nf6 8.Bc4 e6)

    9.Nf3 Be7 10.0-0 0-0 11.Re1 (11.Qb3 Rd8-/+) 11...Nc6 12.Qe2 Qh5 (12...Rd8 13.Ne4-/+) 13.Rad1 Rd8 14.Qe3 a6 (14...Bd6 15.Ne5-/+) 15.Be2 (15.Ne5 Bd6-/+) 15...Qa5 (15...Nd5 16.Qe4-/+) 16.Bc4 (16.Ne5 Ne5 17.de5 Rd1 18.Rd1 Nd7=+) 16...Nb4 Black gets in control 17.Qf4 (17.Qe5 b5 18.Bb3 Bb7-+) 17...Nbd5 18.Nd5 Nd5 (18...ed5?! 19.Re7 dc4 20.Ne5-/+) 19.Qg3 (19.Bd5 Qd5 20.a3 b5-+) 19...b5 20.Bb3 Bb7 21.Qh3 (21.Bc1 Rac8-+) 21...Rac8 22.Qg4 Bf6 (22...Bb4 23.Re2-+) 23.h4 (23.Ng5 Qc7-+) 23...Qb4 24.Ne5 Be5 (24...a5 25.Rb1-+) 25.Re5 Nf6 26.Qf4 (26.Qg3 Bd5-+) 26...Bd5 27.Rd3 (27.Qg3 Bb3 28.ab3 Rc2-+) 27...Qd6 (27...Bb3 28.Rb3 Qd6 29.Qg3-+) 28.Bd1 (28.Qg3 Bb3 29.Rb3 Rc2-+) 28...Nd7 29.Rg3 Ne5 30.de5 Black gets strong play along the open d–file 30...Qf8 (better 30...Qb6-+) 31.Ba3= Rc4 32.Bf8 Threatening mate... how? 32...Rf4 33.Bg7 Rd4 34.Bc2 Rc8 35.Bf6 (35.Bh6!? Kh8 36.Bg7 Kg8 37.Bh6 Kh8 38.Bg7 Kg8=) 35...Kf8=+ 36.Bh7 The mate threat is Rg8 36...Ke8 37.h5 Rc1 38.Kh2 Rdd1 Threatening mate: Rh1 (38...Ba2?? 39.Rg8 Kd7 40.Rd8 Kc6 41.Rd4+-) 39.Rg8 Kd7 40.Kg3 (40.Rd8 Kc7 41.Rf8 Rh1 42.Kg3 Rh5 43.Rf7 Kb8-/+) 40...Rh1 (better 40...Rg1 41.f3 Ra1-/+ (41...Ba2?! 42.Ra8=)) 41.Bh4? (better 41.Rd8!? Kc7 42.Bg8 Rh5 43.Rd5 ed5 44.Bf7=+) 41...Bg2!-+ (worse 41...Ba2 42.Rf8=+) 42.Rd8 (42.Kg2 Deflection from h4 42...Rh4) 42...Kc7 43.Rf8 Bd5 (43...Rcg1 44.Rf7 Kc6 45.Bd8-+) 44.Rf7 Kc8 45.Rf8 Kd7 46.Rf7 Ke8 47.Re7 Kf8 48.Bf6 Rh5 (better 48...Rhg1 49.Kf4 Rc3-/+ (49...Ba2?? 50.Bg6 Rg6 51.hg6+-)) 49.a3?? (better 49.Rd7=+) 49...Rhh1 (49...Rch1 50.Bc2 R5h3 51.Kg4-+) 50.Kf4 (better 50.Rd7 Rc3 51.Kg4 Rg1 52.Kh4 Rc4 53.f4 Rf4 54.Kh3-+) 50...Rc3?? (50...Rc4 51.Ke3 Rh3 52.Kd2 Rd4 53.Kc1 Rc3 (53...Ra3?! 54.Bg6 Ra1 55.Kb2 Ra2 56.Kc1 Rc4 57.Kb1 Rb4 58.Kc1 Ra1 59.Kd2 Rb2 60.Kc3 Rb3 61.Kd2 Ra2 62.Kc1 Rc3 63.Kb1 Rb3 64.Kc1 Ra1 65.Kd2 Rb2 66.Kc3 Rb3 67.Kd2=) 54.Kb2 b4 55.ab4 Rc8-+) 51.Bg6= Threatening mate: Re8 51...Rf3 52.Kg5 Rg1 53.Kh6 Rh3 54.Bh5 Bc6 (better 54...Rh5 55.Kh5 Rg2=) 55.Re6+- Bd7 (55...Rh5 56.Kh5 Bf3 57.Kh6 Rg2+-) 56.Re7 (better 56.Be7!? Kg8 57.Rf6 (57.Ra6?? Be8 58.Bh4 Rh4 59.f4 Rh5) 57...Rh5 58.Kh5 Rh1 59.Kg5 Rg1 60.Kf4+-) 56...Bc6+= 57.Rh7?? (better 57.e6+=) 57...Rh5!-+ 58.Kh5 Decoy to h5 58...Bf3 (better 58...Be8 59.Kh4 Rh1 60.Kg4 Rh7-+) 59.Kh4-/+ Rh1 60.Kg3 Rh7 61.Kf3 Rh3 62.Ke4 Ra3 63.e6 (63.f4 Ra4 64.Ke3 b4-+) 63...Ra2 64.f4 Re2 65.Kd5 b4 66.Kc4 (66.f5 b3 67.Kd6 b2 68.Bb2 Rb2-+) 66...Re6 67.Bd8 Re4 68.Kb3 Rf4 69.Bc7 Rg4 70.Bd6 Ke8 71.Bb4 Kd7 72.Ka4 Kc6 73.Ka5 Kb7 74.Bd2 Rd4 75.Bc3 Rd5 76.Ka4 Kb6 77.Bf6 (77.Bg7 Kc6-+) 77...a5 78.Bc3 Rg5 79.Bd4 Ka6 80.Bc3 Rg4 81.Kb3 (81.Ka3 Kb5-+) 81...Kb5 82.Ka3 Rg3 83.Kb2 a4 84.Bd4 (84.Be5 a3 85.Ka2-+) 84...a3 85.Ka2 Rf3 (85...Kb4 86.Kb1 Rg4 87.Be5 Rc4 88.Bc7 Rc7 89.Ka2 Rc2 90.Ka1 Kb3 91.Kb1 a2 92.Ka1 Rc1) 86.Bg7 (86.Be5-+) 86...Ka4 87.Bh6 (87.Bd4 Rd3 88.Bg1 Rd2 89.Ka1 Kb3 90.Be3 Rd1 91.Bc1 Rc1) 87...Rf2 88.Ka1 Kb3 89.Bc1 Rf1 (89...Rf1 90.Kb1 a2 91.Ka1 Rc1) 0–1. Sokic,D (2205) – Shao,Wenbin (2030), Third Saturday, 2018. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Bb2 Nf6 6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6)

    9.Nge2 Be7

    10.0-0 0-0

    11.Qb3 a6 12.d5 b5 13.Bd3 -/+.

    11.Qb3 Nbd7 12.f4 (12.Bd3!?-/+) 12...Nb6 13.Bd3 Bd7 14.a4 (14.Rac1 Rfc8-+) 14...Rac8 (14...Rfc8 15.Qd1-+) 15.Ng3 (15.Nb5-+) 15...Qb4 16.Qb4 Bb4 17.Rac1 (17.Nge2 Rfe8-+) 17...Nc4?? gives the opponent new chances (better is 17...Na4 nails it down 18.Na4 Rc1 19.Rc1 Ba4-+) 18.Ba1?? Nd2-+ 0–1. Braig,Elmar (1795) – Schneider,Heiko (2225), Boeblingen op, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6)

    11.Qd3 Nbd7 12.Bb3 Nb6 13.Rad1 Nbd5 14.Ne4 Bd7 15.h3 Bb5 16.Qf3 (16.Nf6 Bf6 17.Qf3 Rfd8-+) 16...Rfd8 (16...Ne4 17.Qe4 Qa6 18.Rfe1-+) 17.Nc5 b6 18.Nd3 Rac8 19.g4 h6 20.Bc1 Nc3 21.Nc3 Qc3 22.Bb2 Qc6 23.d5 (better is 23.Qc6 Bc6 24.f4-+) 23...Nd5 24.Ne5 Qe8 25.Rfe1 Bf6 (25...Bb4 26.Re4 Bc3 27.Ba3-+) 26.Qe4 (26.Bd5 Rd5 (26...ed5?! 27.Ng6 Bb2 28.Ne7 Kh7 29.Nc8=) 27.Rd5 ed5 28.Qd5 Rc5-+) 26...Be5 27.Qe5 Qf8 28.h4 Bc4 29.g5 hg5 30.hg5 Bb3 31.ab3 Ne7 32.Kg2 Ng6 33.Qh2 (33.Qe3 Qb4 34.Kf1 Qb5 35.Kg1 Qf5-+) 33...Qc5 34.Bc1 (34.Qg3 Rd1 35.Rd1 Qf5-+) 34...Qc6 35.Kg1 Qf3 (35...Rd1!? 36.Rd1 Qf3 37.Rf1 Qb3 38.Be3-+) 36.Rd8 Rd8 37.Be3 e5 38.Rc1? (38.Qh1 Qg4 39.Qg2-+) 38...Rd1 39.Rd1 Qd1 40.Kg2 Qb3 41.Qg3 Qd5 42.Kh2 Qe4 43.Kg1 a5 0–1. Nakamura,Clyde J (2090) – Andrianov,Nikolai (2415), Hawaii op Honolulu, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6)

    11.Qe1 Nc6 12.Bb3 Bd7 13.Rd1 Rad8 14.d5 ed5 15.Nd5 Nd5 16.Rd5 Qe1 17.Re1 Be6 18.Rd8 Rd8 19.Be6 fe6 20.Bc3 Rd3 21.Rb1 b6 22.Kf1 e5 23.a4 Bc5 24.Bb2 Rd2 25.Ke1 Rc2 26.Bc3 Nd4 27.Rb2 Ne2 28.Rc2 Nc3 29.Rc3 Bb4 30.Kd2 Kf7 31.Kd3 Bc3 32.Kc3 Ke6 33.Kc4 a6 34.g4 g5 35.f3 Kd6 36.Kd3 Kd5 37.Ke3 b5 38.ab5 ab5 39.Kd3 b4 40.Ke3 b3 41.Kd3 b2 (41...b2 42.Kc2 Kd4 43.Kb2 Ke3-+) 0–1. Knudsen,JesW (2000) – Rendboe,J (2230), 3rd XtraCon EMT (7), 2008.

    11.Nf4 Nc6?? 12.d5-/+ Rd8 13.Rb1 Bf8 14.Re1 ed5 15.Ncd5 Nd5 16.Nd5? (16.Bd5 Be6! 17.Re6 fe6 18.Qg4+=) 16...Be6-+ 17.Re6 fe6 18.Nf6 Kh8 19.Qc2 Qf5 20.Ne4 Rac8 21.Bf1 Nd4 22.Qd3 e5 23.Rc1 Rc1 24.Bc1 h6 25.Be3? (25.Qe3-+) 25...Nf3! 26.gf3 Rd3 27.Bd3 Qf3 28.Ng3 (28.Bc2 Qf5 29.Kf1 b6-+) 28...Qd1 29.Bf1 b6 30.a4 (30.Ne4 Qc2 31.Nd2 Qa2-+) 30...Bc5 31.Nf5 Qg4 32.Ng3 Be3 33.fe3 Qa4 34.Kf2 Qc2 (34...Qc2 35.Ne2 b5-+) 0–1. Lachmann,Utz (2135) – Heinig,Wolfram (2230), Berlin–ch, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.d4 Nf6 6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6 9.Nge2 Be7 10.0-0 0-0)

    11.Nf4? Qc7 12.Ne6 Be6 (12...Qc4?! 13.Nf8 Bf8 14.Rc1-+) 13.Be6 fe6 -+.

    11.Nf4? Nbd7?? 12.Re1 Nb6 13.Bb3 Bd6 14.Nce2 Nbd5 15.Nd5 ed5 16.Qd3 Bd7 17.Ng3 Rfe8 18.Bc3 Qb5 19.Qb5 Bb5 20.Nf5 Bf8 21.f3 Rac8 22.Re8 Re8 23.Re1 Re1 24.Be1 Bc4 25.Bh4 Bb3 26.ab3 Ne8 27.Bg3 g6 28.Ne3 Bg7 29.Nd5 Bd4 30.Kf1 f5 31.Ke2 Kf7 32.Kd3 Bc5 33.h3 Ke6 34.Kc4 Bd6 35.Bd6 Kd6 36.Kd4 Nc7 37.Nf6 h5 38.g4 Ne6 39.Ke3 hg4 40.hg4 Kc5 41.gf5 gf5 42.Kd3 Kb4 43.Kc2 Nd4 44.Kb2 Nb3 45.Nd5 Kc5 46.Ne3 Nd4 47.f4 b5 0–1. Guzinski,B – Kaszowski,D (2250), ch–Poland Semi–Finals (3), 2000.

    11.Nf4? Nbd7?? 12.Qe2-/+ Nb6 13.Bb3 Bd6 14.Nd3 Nbd5 15.Ne4 Ne4 16.Qe4 Bd7 17.Ne5 Nf6 18.Qb7=+ Rab8 19.Qf3 Bb5 ½–½. Kramps,Rene – Daverkausen,Bernd, NRW–Liga I, 1989.

    5.Nf3 Nc6

    6.Bb5?? Qb5-+ 7.d3 Bg4 8.Nbd2 e5 9.0-0 Bd6 10.Qe1 Bf3 11.Nf3 Nge7 12.Qe3 0-0 13.Rfe1 Ng6 14.Ng5 Bc5 15.Qe4 Nd4 16.Rac1 Qc6 17.Qc6 bc6 18.Ne4 Be7 19.c3 bc3 20.Bc3 Nf4 21.Bd4 ed4 22.Rc6 Nd3 23.Rd1 Rfc8 24.Rc8 Rc8 25.f3 0–1. Andre,K – Rihm,F, TT/4302 corr BdF, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 bc3 7.Nc3 Qa5 8.d4 e6 9.Bd3 Nf6 10.0-0 Be7 11.Re1 0-0 12.Ne4 Nb4 (better is 12...Nd5-/+) 13.Nf6= Bf6 White has an active position 14.Be4 (14.Bc3!? Qb6 15.Bh7 Kh7 16.Qb1 Kg8 17.Bb4=) 14...Nd5 The knight likes it on d5 15.Ne5 (15.Qd3!? is worth consideration 15...h6 16.Bd5 Qd5 17.Qb3 Qb3 18.ab3-/+) 15...Be5-/+ 16.de5 Bd7 17.Qd3 h6 18.Rad1 Bc6 19.Qg3 Ba4 (19...Rfd8 20.Qa3 Qb5 21.Qb3-/+) 20.Ra1 (20.Qa3 Rfd8 21.Bd5 Rd5-/+ (worse is 21...ed5 22.e6 f6 23.Bc3+/-)) 20...Rac8 21.h3 Qd2 22.Ba3?? another bit of territory lost 22...Rc3-+ 23.Re3 Ne3 24.Bf8 Kf8 25.fe3 Re3 26.Qh4 Qd4 27.Kh2 Re4 (27...Re4 28.Qg3 Qa1-+) 0–1. Juhnke,Peter – Hempel,Manfred, Hessenliga, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    6.c4 bc3 7.Nc3 Qd8 8.Bc4 e6 9.d4 Nf6 10.0-0 Be7 11.Re1 0-0 12.h3 b6 13.Rc1 Bb7 14.Bd3 Nb4 15.Bb1 Rc8 16.Ne5 Nbd5 17.Ne4 Rc1 18.Qc1 Ne4 19.Be4 Qa8 20.Qc2 f5 21.Bf3 Bb4 22.Rd1 Rc8 23.Qa4=+ Bf8 24.Qd7 Re8 25.Qf7 Kh8 26.Bc1 Re7 27.Qh5 Qe8 28.Qh4 g6 29.Ba3= Rg7 30.Bf8 Qf8 31.Rc1 Qf6 32.Qh6 g5 33.Qf6 Nf6 34.Bb7 Rb7 35.Rc6 Re7 36.h4 gh4-/+ 37.Nf3 Nd5 38.Ng5 Nb4 39.Rd6 Na2-/+ 40.Ne6 Kg8 41.Rd8 Kf7 42.d5 Nb4 43.Rf8 Kg6 44.Nf4 Kg5 45.Ne6 Kg6 46.Nf4 ½–½. Mordiglia,Riccardo – Rossi,Giampiero (2145), Celle Ligure op, 1995.

    6.c4 bc3 7.Nc3 Qd8 8.d4 e6 (8...Qb6 9.Qd2 Bg4 10.Ne5=) 9.d5 (9.Bc4 Nf6=) 9...ed5=+ 10.Qd5 Be6 11.Qb5 Qc7 12.Rd1 Nf6 13.Be2 (13.Ng5 Bb4 14.Be2 0-0=+) 13...Be7 (13...a6 14.Qa4=+) 14.Nd4 (14.Ng5 Bc8=) 14...Bd7=+ 15.Qc4 (15.Nd5 Nd5 16.Qd5 Qb6=+) 15...a6 (15...Qb6 16.Qb3-/+) 16.0-0=+ 0-0 17.Nd5 Nd5 18.Qd5 Nd4 (better 18...Rfd8!?-/+) 19.Qd4+= (worse 19.Bd4 Rad8 20.Qb3 b5=) 19...Bf6 20.Qd7 ½-½. Phelan,John J (1675) - Carroll,Peter (2005), Irish Clubs, 2019. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3)

    6.c4 Qd6 7.d4 Bg4 8.Be2 Nf6 9.0-0 e6 10.Nbd2 Be7 11.d5 ed5 12.Bf6 gf6 13.Re1 0-0-0 14.Qc1 (14.cd5 Qd5 15.Qa4 Bd6+=) 14...Kb8 (14...d4 15.Nh4 Be2 16.Re2-/+) 15.a4 Bf3 16.Bf3 Ne5 17.Rd1? (better is 17.Re3!? dc4 18.Nc4-/+) 17...dc4-+ 18.Be2 Qe6 19.Re1 c3 20.Ne4 Rhg8 21.Qc2 (21.Rb1-+) 21...f5 22.Nc3 Rc8 (worse is 22...bc3 23.Qc3 Qc6 24.Qh3-+) 23.a5 Rc3 24.Qa4 (24.Qd2 Qc6 25.g3 Bc5-+) 24...f4 25.a6 (25.Kh1-+) 25...Qh3 (better is 25...Qg6 26.Bf1 Nf3 27.Kh1-+) 26.Bg4 Qg4 0–1. Scott,Stuart – Nasman,Per, Sweden class ch, 1992. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 Qd8 7.d4 e6 8.d5 Na5 9.Ne5 Nf6 10.Qa4 Bd7 11.Nd7 Nd7 12.de6 fe6=+ 13.Be2 Qb6 14.Bh5= Ke7 15.Be2 Nf6 16.a3 b3 17.Nd2= Kf7 18.0-0 Bc5 19.Bc3 Nc6 20.Nb3 Bd4? 21.c5 Qd8?? 22.Rfd1 e5 23.Nd4+- ed4 24.Bd4 Qe7 25.Bc4 Kg6 26.Re1 Qc7 27.Qc2 Kh6 28.Bf6 gf6 29.Qf5 Qg7 30.Qh3 Kg6 31.Re3 f5 32.Rg3 (32.Rg3 Kf6 33.Qh4 Qg5 34.Qg5 Ke5 35.Qe3 Kf6 36.Qe6; 32.Qg3 Kf6 33.Qd6 Kg5 34.f4 Kh5 35.Be2 Qg4 36.Rh3) 1–0. Suchsland,Helmut – Weber,S, Bad Wildungen Seniors (8), 1998.

    6.c4 Qe4 7.Be2 e5 8.0-0 Bc5 9.Re1 Qf4 10.a3 ba3 11.Na3 Bg4 (11...Nge7 12.Nb5 0-0 13.Bc1-/+) 12.d4 Bb4 13.g3 Qh6 14.Ne5 Be6 15.Nb5 Be1 16.Nc7 Kd8 17.Qe1?? (better is 17.Na8 Bf2 18.Kf2 Qh2 19.Kf3+=) 17...Rc8?? (17...Kc7 18.d5 Nge7 19.Nc6 bc6 20.de6 Qe6 (20...fe6? 21.Qb4 Kc8 22.Qe7+-) 21.Bg7 Rhd8+=) 18.Ne6+- fe6 19.Bc1 g5 20.Nc6 bc6?? 21.Ra7 c5 22.Bh5!! (22.Bh5 Rc6 23.Qa5 Kc8 24.Ra8 Kd7 25.Qd8) 1–0. Haas,Bernd – Rihm,F, TT/4302 corr BdF, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 Qe4 7.Be2 e5 8.0-0 Qf4 9.g3 Qf5 10.Re1 Be6 11.Nh4 (better is 11.Bf1!?=) 11...Qf6-/+ 12.Bf3 Nge7 13.a3 g5 14.Ng2 ba3 (14...Bc4 15.ab4 Qe6 16.Na3=) 15.Ra3 Bg7 16.Bc6 (16.Ne3 0-0+=) 16...Nc6-/+ (16...bc6?! 17.Be5 Qg6 18.Bg7 Qg7 19.Qb3+=) 17.f4 gf4 18.gf4 Qd8 19.Kh1 Qd7 20.Rg3 Rg8 21.d4? (21.fe5 Ne7-/+ (worse is 21...Bc4 22.e6 fe6 23.Qg4+=)) 21...Bc4 (better is 21...Nd4!? 22.Rd3 0-0-0 23.fe5 Bh3-+) 22.Qc2-/+ Bd5 (22...Be6 23.Qh7 f6=) 23.Qh7= 0-0-0 (23...f6 24.Nc3 0-0-0 25.Nd5 Qd5 26.de5 (worse is 26.Rg7 Rg7 27.Qg7 Rg8 28.Qg8 Qg8 29.de5 fe5-+) 26...fe5 27.fe5= (worse is 27.Rg7 Rg7 28.Qg7 Rg8 29.Qg8 Qg8-/+)) 24.Rg7 Rh8 25.Qd3 Rdg8 26.Rg8 Rg8 27.Re2 ef4 (27...Qg4 28.Qd2 ef4-/+ (28...Nd4?! 29.Rf2=; 28...ed4?! 29.Kg1-+)) 28.Rf2= Ne5 29.Qc2 Nc4 30.Nd2 Qc6 (30...Qe6 31.Nf3 Kd8-/+) 31.Nf3?? (better is 31.Nc4 Bc4 32.Bc1+/- (32.Rf4? Rg2 33.Qg2 Bd5-+)) 31...Kb8 (better is 31...Bf3 32.Rf3 Qf3-+) 32.Qc1 (better is 32.Nfe1!?=) 32...Qh6 (32...Nb2!? 33.Qf4 Ka8 34.Nge1-+) 33.Qf4 Qf4 34.Nf4 Bf3 35.Rf3 Nb2 36.h4 a5 0–1. Israel – Nitter, corr 2e Olympiade, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 Qe4 7.Be2 Bf5 8.d4 Qc2 9.Qc2 Bc2 10.d5 Na5 11.Nbd2 Nf6 12.Nd4 Bg6 13.h4 h5 14.a3 e6 15.de6 0-0-0 16.N2f3 Bc5 17.ab4+/- Bb4 18.Kf1 Ne4 19.Ra4 Nd2 20.Kg1 Nf3 21.Bf3 Bd2 22.Kh2 fe6 23.Rd1 Be8= 24.Ra2 Bb4 25.Ne6 Rd1 26.Bd1 Rh6 27.Ng7+/- Nc4?? 28.Ne8+- Kd8 29.Ng7 a5 30.Bc1 Rg6 31.Nf5 b5 32.Bg5 Kc7 33.Bh5 Ra6 34.Bf4 Kd7 35.Be2 1–0. Askarov,M (2435) – Zaletov,Y (2200), 28th Nezhmetdinov mem, 2006.

    6.c4 Qe6 7.Be2 Qg6 8.d4 a5 (8...e5 9.d5 e4= (9...Qg2? 10.Rg1 Qh3 11.dc6+-)) 9.d5+= Nb8 (9...Qg2? 10.Rg1 Qh3 11.dc6+-) 10.0-0 Bh3 11.Nh4 Qg5 12.Qd4 Bc8 13.c5 Nf6 14.Rd1 Bg4 15.Nf3 Qh6 (15...Qf5 16.a3 ba3 17.Na3+=) 16.Bb5 Bd7 17.Qc4 Qg6? (better is 17...Nh5+-) 18.c6 bc6 19.dc6 Nc6 20.Bc6 (20.Bc6 Qg4 21.Qg4 Bc6 22.Qc4+-) 1–0. Traut,S – Brix,B, BdF/H (year?). (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 Qh5 7.Be2 Bg4 8.d4 e6 9.0-0 Rd8 10.Nbd2 Nf6 11.h3 Bf3 12.Bf3 Qa5 13.Nb3 Qf5=+ 14.d5 Ne5 15.Be5 Qe5 16.Re1 Qf5? 17.Nd4+- Qf4 18.Qa4 Nd7 19.de6 fe6 20.Ne6 Qc4 21.Rad1 b5 22.Qa7 Qc8 23.Nd8 Kd8 24.Bg4 (24.Bg4 Be7 25.Rd7 Ke8 26.Rde7 Kf8 27.Bc8 b3 28.Re8; 24.Qb6 Qc7 25.Rd7 Kd7 26.Qe6 Kd8 27.Qe8) 1–0. poulmorphy (1725) – brjh74, kurnik, 2011.

    6.d4 Nf6 7.a3 e5! 8.Ne5 (8.de5 Qd1 Combination; 8.Ne5 Qe4 Double attack) 8...Ne5 (better is 8...ba3!? 9.Bc3 a2-/+) 9.de5= Qd1 10.Kd1 Ne4 11.Bb5 Bd7 12.Bd7 Kd7 13.Bd4 ba3 14.Re1 Ng5 15.Na3 Ne6 16.Be3 Bb4 17.Re2 Ba3 (17...Rhd8!? 18.Kc1 Bc3=) 18.Ra3 b6 19.f4 Rhd8 20.f5 Kc6 21.Kc1 Nc5 22.Bc5 Kc5 23.Rc3 Kd5 24.Rc7 Rf8 25.c4 Kd4 26.Kb2 Kd3 27.Re1 Kd2 (27...a5!?+=) 28.Re4+/- a5?? (better is 28...Kd3 29.Rh4 g5 30.Rd7 Ke3 31.Rh7 Ke4+/-) 29.Rd7 1–0. Moore,Harry (2270) – Beaudin,Jesse, Dan MacAdam Memorial, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.Be2 Nf6 7.0-0 e5 8.d3 Bc5 9.c4 Qd8 10.Nbd2 Bd4 11.Nd4=+ ed4 12.Bf3 0-0 13.Re1 Bf5 14.Nf1 Qd6 15.Ng3 Bg6 16.Qd2 a5 17.a3 Ne5 18.Bb7= Rab8 19.Be4 Ne4 20.Ne4 Be4 21.Re4 Nc6 22.a4 f5=+ 23.Re2 Rfe8 24.Rae1 Qd7 25.Qf4 Re2 26.Re2 Re8 27.Qf3 Re2 28.Qe2 Kf7 29.h3 Qe6 30.Qe6 Ke6=+ 31.f4 Kd6 32.Kf2 Kc5 33.Kf3 Ne7 34.g4 g6 35.g5? Nc8-+ 36.Kg3 Nb6 37.Kf3 Na4 38.Ba1 Nc3 39.Kf2 Nd1 40.Ke1 Ne3 41.Kd2 a4 42.h4 Ng2 43.h5 Nf4 44.hg6 hg6 45.Bb2 Ne6 46.Ke2 Ng5 0–1. poulmorphy (1890) – jojopa (1850), kurnik, 2011.

    5.Nf3 Nf6

    6.c4 Qa5 7.a3 Bg4 (7...Bf5 8.ab4 Qb4 9.Ba3=+) 8.Be2= Nc6 9.0-0 g6 (better 9...e6=+) 10.d4+- Bg7 (10...ba3 11.d5 0-0-0 12.Na3+-) 11.d5 Rd8 (better 11...Nb8!? 12.Nd4 Bd7 13.ab4 Qb4+-) 12.Qb3+- Nb8 (12...ba3 13.dc6 bc6 14.h3+-) 13.ab4 Qc7 14.Ra7 Na6 (14...0-0 15.Na3+-) 15.Be5 Qb6 16.Bd4 White plans c5 16...Qb4 17.Qb4 (17.Rb7?! Qb3 18.Rb3 0-0+-) 17...Nb4 18.Rb7 Na6 19.c5 Bc8 (19...Nc5 20.Bc5 Nd5 21.Bb5 Bd7 22.Bc4+-) 20.Ba6 Bb7 (20...0-0 21.Ra7 Ba6 22.Ra6 Nd5 23.Bg7 Kg7 24.Nbd2+-) 21.Bb7 0-0 22.Bf6 (22.Nc3 e6 23.Bf6 Bf6+-) 22...Bf6 23.c6 (better 23.Nbd2 Bb2 24.Rb1+-) 23...Rd5 24.c7 (24.Nbd2 Kg7+-) 24...Rc5 25.c8Q Rcc8 26.Bc8 Rc8 27.Rd1 (27.Nbd2 Kg7+-) 27...Bb2 28.Kf1 Rc1 (28...f5 29.Ke2+-) 29.Rc1 Bc1 30.Ke2 Kg7 31.Nbd2 Bd2 (31...f5 32.Ne5+-) 32.Kd2 Kf6 33.Ke3 Kf5 (33...g5 34.Ke4+-) 34.h3 (34.Kd4 Kf6+-) 34...h5?! (34...f6+-) 35.Nd4 Ke5 36.f4 Kd5 (36...Kd6 37.Ke4+-) 37.Nf3 Ke6 (37...f6 38.Nh4 g5 39.fg5 fg5 40.Nf5+-) 38.Ke4 (38.Ng5 Kf6+-) 38...Kf6 (38...Kd6 39.f5 gf5 40.Kf5+-) 39.Ng5 e6 (39...Kg7 40.f5+-) 40.Nf3 Ke7 41.Ke5 f6 42.Kd4 Kd6 (42...Ke8 43.Kc5 Ke7 44.g3+-) 43.Nh4 g5 (43...Ke7 44.Ng6 Kf7 45.Nh4+-) 44.fg5 fg5 45.Nf3 g4 (45...e5 46.Ke4 Ke6+-) 46.hg4 hg4 47.Nh2 g3 48.Nf1 e5 49.Ke4 Ke6 50.Ng3 Kf6 51.Nh5 Kg5 52.Ke5 Kh5 53.Kf4 Kg6 54.Kg4 Kf6 (54...Kg7 55.Kg5 Kf7 56.Kh6 Ke8 57.g4 Kd8 58.g5 Ke7 59.g6 Kf6 60.Kh7 Kf5 61.g7 Ke4 62.g8Q Ke3 63.Qe6 Kd3 64.Kg6 Kc3 65.Qd6 Kb3 66.Qb6 Ka3 67.Kf5 Ka4 68.Ke5 Ka3 69.Kd4 Ka4 70.Kc4 Ka3 71.Qb3) 55.Kh5 Kf7 (55...Kg7 56.Kg5 Kf7 57.Kh6 Ke8 58.g4 Kd8 59.g5 Ke7 60.g6 Kf6 61.Kh7 Kf5 62.g7 Ke4 63.g8Q Ke3 64.Qb8 Kd2 65.Kg6 Kc2 66.Qh2 Kb3 67.Kf5 Kc3 68.Qd6 Kc4 69.Ke4 Kb3 70.Kd3 Kb2 71.Qb4 Kc1 72.Qb6 Kd1 73.Qg1) 56.Kh6 Kf8 (56...Ke8 57.g4 Kd8 58.g5 Ke7 59.g6 Kf6 60.Kh7 Kf5 61.g7 Ke4 62.g8Q Ke3 63.Qg3 Ke2 64.Kg6 Kd1 65.Qf3 Kd2 66.Qf4 Kc3 67.Qe4 Kb3 68.Qe3 Ka2 69.Qd2 Ka3 70.Qd3 Kb2 71.Kf5 Kc1 72.Ke5 Kb2 73.Kd4 Kc1 74.Qe2 Kb1 75.Kc3 Kc1 76.Qc2) 57.g4 (57.g3 Ke7 58.Kg6 Kd6 59.g4 Kd5 60.g5 Ke6 61.Kh5 Kd6 62.g6 Ke6 63.Kh6 Kf6 64.Kh7 Kf5 65.g7 Ke4 66.g8Q Ke3 67.Qg3 Ke2 68.Qa3 Kf2 69.Kg7 Ke2 70.Kh6 Kd2 71.Kg5 Kc2 72.Qa4 Kd3 73.Qb5 Kc2 74.Qc4 Kb2 75.Kg4 Ka3 76.Qd3 Ka2 77.Kf4 Kb2 78.Qb5 Kc2 79.Qe2 Kc3 80.Ke3 Kb4 81.Ke4 Kc5 82.Qd3 Kb6 83.Qc4 Ka5 84.Qb3 Ka6 85.Kd5 Ka5 86.Kc5 Ka6 87.Qb6) 57...Kf7+- 58.g5 Kf8 (58...Ke7 59.g6 Ke6 60.Kh7 Ke5 61.g7 Ke4 62.g8Q Ke3 63.Qg1 Ke4 64.Kh6 Kf3 65.Qd1 Ke4 66.Kg5 Ke5 67.Qa4 Kd5 68.Qb3 Kd4 69.Kf4 Kc5 70.Qe3 Kc6 71.Qe5 Kb6 72.Ke4 Kc6 73.Qe6 Kc7 74.Kd5 Kb7 75.Qc6 Kb8 76.Qd7 Ka8 77.Kc6 Kb8 78.Qb7) 59.g6 Kg8 (59...Ke7 60.g7 Kd6 61.g8Q Kc5 62.Qf8 Kc4 63.Qg7 Kd3 64.Qb2 Ke3 65.Qc3 Ke4 66.Kg5 Kd5 67.Qb3 Kc6 68.Qc4 Kb6 69.Qg4 Kc5 70.Qh4 Kd5 71.Kh5 Kc5 72.Qg5 Kb4 73.Qe3 Kb5 74.Qe2 Kc5 75.Qg4 Kb5 76.Qf3 Ka5 77.Qe4 Kb5 78.Kg4 Kb6 79.Kf4 Kc7 80.Qd5 Kb6 81.Qe5 Ka6 82.Qd6 Ka5 83.Ke5 Kb5 84.Kd4 Ka4 85.Kc4 Ka5 86.Qf6 Ka4 87.Qa6) 60.g7 (60.g7 Kf7 61.Kh7 Ke6 62.g8Q Ke5 63.Qc4 Kd6 64.Kh6 Ke7 65.Kg7 Kd7 66.Kf6 Kd6 67.Qb5 Kc7 68.Ke6 Kc8 69.Kd6 Kd8 70.Qd7) 1–0. Tomulic,T (2205) – Bogdanic,Katarina (1905), 22nd Bosnjaci Open (7), 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.c4 bc3 7.Nc3 Qa5 8.Qb3 e6 9.Rc1 Nc6 10.Bc4 Be7 11.0-0 0-0 12.d4 Qb4 13.Rfd1 Na5 14.Qb4 Bb4 15.Be2 b6 16.a3 Be7 17.Ne5 Bb7-/+ 18.Na2 Rac8 19.Nb4 Nd5 20.Nd5 Bd5 21.Ba6 Rc1 22.Rc1 Bd6 23.f3 Rd8 24.Ng4 Bf4 25.Rc3 h5 26.Ne3 Bb7 27.Bb7-/+ Nb7 28.Rb3 Na5-+ 29.Rd3 Be3 30.Re3 Nc4 31.Re2 Nb2 32.Rb2 Rd4 33.Kf2 Rd3 34.Ra2 Kf8 35.Ke2 Rb3 36.Kf2 Ke7 37.Kg3 g5 38.a4 Rb4 39.a5 b5 40.Kf2 Ra4 41.Rc2 Ra5 42.Rc5 Kf6 43.f4 gf4 44.Rh5 e5 45.h4 e4 46.Rd5 Ra2 47.Kf1 b4 48.Rd4 b3 49.Re4 b2 50.Rf4 Ke5 51.Rb4 Ra1 52.Kf2 b1Q 53.Rb1 Rb1 0–1. Spranger,Wolfgang – Hoy,Bernd, Oberbayern–ch, 1992.

    6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6 9.0-0 Ba3 10.Qb3 Bb2 11.Qb2 0-0 12.Rfe1 Nc6 13.Rab1 Qd8 14.a4 b6 15.Rbd1 Bb7 16.d4 Na5 17.Ba2 Rc8 18.Ne5-/+ Nd5 19.Ne4 f6 20.Nf3 Nc4 21.Bc4 Rc4 22.Nc5 Rb4 23.Qd2?? Nf4 24.Qe3 bc5-+ 25.Qf4 e5 26.Ne5 fe5 27.Qe5 Rd4 28.Qe6 Kh8 29.Rb1 Qd5 30.f3 Qe6 31.Re6 Rd7 32.a5 h6 33.a6 Bd5 34.Re5 c4 35.Rb5 Rfd8 36.Rc5 Bg8 37.Kf2 Rd6 38.Re7 Ra6 39.Rcc7 Rf6 40.Ra7 Rd2 41.Ke1 0–1. Harari,Zaki (2250) – Dunnington,Angus J (2420), Highgate Masters (7), 1997.

    6.c4 bc3 7.Nc3 Qa5 8.Bc4 e6 9.0-0 Be7 10.Rb1 0-0 11.Qe2 Nc6 12.Rfc1 Rd8 13.Nb5 a6 14.Bc3 Qa4 15.Nc7 Rb8 16.Ng5 Rf8 (16...h6 17.Nf7 Kf7 18.Ne6 Be6 19.Qe6 Ke8 20.Qf7 Kd7 21.Be6 Kd6 22.Bf5+-) 17.d4 (17.Qd3 g6=) 17...Nd5 18.Nd5 ed5 19.Bb3 Qa3 20.Nf7 Rf7 (better is 20...Bf5 21.Ne5 Bb1 22.Rb1 Qd6-/+) 21.Bd5= Qd6 22.Qc4 Nd8 23.Bb4 Qd7 24.Be7 Qe7 25.Re1 Be6 26.Be6 Ne6 27.Re6 Qc7 28.Qe2 (28.Qc7!? Rc7 29.Ra6 ba6 30.Rb8 Kf7+-) 28...Qd7 29.Rd1 Rbf8 30.f3 Rf6 31.Rf6 Rf6 32.Qc4 Kf8 33.d5 Rd6 34.Qf4 (34.Qf4 Kg8 35.Qg4+/-) 1–0. Michalek,Martin (2000) – Niebergall,Gerhard (2135), BdF, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.c4 bc3 7.Nc3 Qd8 8.d4 e6 9.Bc4 Be7 10.0-0 0-0 11.Qe2 Nc6 12.Rfd1 Nb4 13.Ne5 Nbd5 14.Rac1 Bd7 15.Ne4 Rc8 16.Qf3 (16.Nc5 Bc6+=) 16...Bc6 17.Bd3 Ne4 18.Be4 f5 19.Bb1 Qd6 20.Re1 Bg5 (20...b5!?-/+) 21.Ba3= Qd8 (21...Qc7 22.Rc6 bc6 23.Bf8 Rf8 24.Nc4+=) 22.Bf8 (22.Nc6 bc6 23.Bf8 Bc1 24.Bc5+/- (worse is 24.Rc1 Qf8 25.Qe2 Qd6-/+)) 22...Bc1+= 23.Bf5 Nf4 24.Be6= Kf8 25.Qg4 Ne6-/+ 26.Qe6 Be8 27.d5 Ba3 28.h3 Bd6 29.Re3 Be5 30.Re5 Rc7 31.d6 Rf7 32.Rc5 Qd7 33.Qe5 Rf6 34.Rd5 Bf7 35.Rd2 Re6 36.Qc5 b6 37.Qc7 Be8 38.Qb8 Kf7 39.Rd3 g6 40.Rf3 Kg7 41.Rc3? Qd6 42.Rc7 Kh6 43.g3 Bc6 44.Kh2 Qc5 45.Rf7 Re1 46.Qf4= Qg5 47.Rh7 Kh7 48.Qf7 (48.Qf7 Kh8 49.Qf8 Kh7 50.Qf7 Kh6 51.Qf8 Kh7 52.Qf7=; 48.Qg5?? Rh1) 1–0. Schlenker,Rainer – Schmid,Erwin, BL2–Sued, 1985. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    6.c4 Qd8 7.d4 e6 8.Bd3 Nc6 9.0-0 Be7 10.Re1 0-0 11.Nbd2 Qd6 12.Nb3 a5 13.Rb1 Rd8 14.Nc5 Qf4 Now all is on d4 15.Ne4 b6 16.Qc2 Qc7 (16...Nd7!?=) 17.d5 Ne4 18.Be4 f5 19.dc6 fe4 20.Qe4 Bf6 21.Be5 Be5 22.Ne5 (worse is 22.Qe5 Qc6 23.Qg5 Bb7+=) 22...Ba6 23.Rbd1 Rd6 24.Rd6 Qd6 25.h3 Rc8 26.Re3 b5 27.Rd3 Qf8 28.Rd7 bc4 29.Nc4 (29.Ra7 Bb5 30.Qg4+- (30.Ra5?! Qc5+/-; 30.Nc4?! Rc6 31.Ne5 Rc1 32.Kh2 Be8=)) 29...Bc4+/- 30.Qc4 Qf6 (30...Re8 31.c7 a4+-) 31.c7+- Qa1?? (better is 31...h6+-) 32.Qf1 Qf6 33.Qa6 Qa1 (33...Rc7 34.Qa8 Qf8 35.Qf8 Kf8 36.Rc7 a4+-) 34.Kh2 Qe5 35.g3 (35.g3 Rf8 36.c8R+-) 1–0. Stein,J – Katki,HD, corr, 1953. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.c4 Qd8 7.d4 e6 8.Bd3 Be7 9.0-0 0-0 10.Nbd2 Bd7 11.Ne4 Bc6 12.Ng3 Nbd7 13.Ne5 Ne5 14.de5 Nd7 15.Qe2 Nc5 16.Bc2 f5 (better is 16...Rc8!?-/+) 17.ef6+= Bf6 18.Qh5 g6 19.Bg6 Qe7 20.Bf6 Rf6 21.Bh7! Qh7 22.Qc5 Rh6 23.h3 Kf7 24.Qe5 (24.Qb4?! Rh3 25.Qd6 Rh8+/-) 24...Rg8 25.Rfe1 Qg7 (25...Qd3 26.Rad1 Qg6 27.Qc7 Kf8 28.Rd8 Be8 29.Re4+-) 26.Qc7 Kf8 27.Qd6 Kf7 28.Rad1 Rf6 29.Rd4 Qf8 30.Qe5 Qe7 31.Qh5 Kf8 32.Red1 Rgg6 33.Rd8 Kf7?? (33...Kg7+-) 34.Rh8 1–0. Wells,HD – Partridge,Bernard B, BCCA corr England, 1946. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.c4 Qd8 7.d4 Bf5 8.Be2 e6 9.0-0 Be7 10.a3 0-0 11.ab4 Bb4 12.Na3 h6 13.Nc2 Be7 14.Ne3 Be4 15.Qb3 Nbd7 16.d5 Nc5 17.Qc3 Ne8 18.de6 Ne6 19.Rfd1 Qc7 20.Ng4 Qf4 21.Nfe5 h5 22.g3 Qg5 23.Bc1 Qf5 24.Ne3 Qh7 25.f3 Bf5 26.Nd5 Bc5 27.Be3 h4 28.Bc5 Nc5 29.Ne7 Kh8 30.Rd4 hg3 31.hg3 g5?? (31...f6 32.Rh4 fe5 33.Qe5 Qh4 34.gh4 Nd7+-) 32.Rh4!!+- 1–0. Wells,HD – Broadbent,EG, BCCA Premier II corr4445, 1944. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.c4 Qd8 7.Bf6 ef6 8.d4 Be7 9.Bd3 Bg4 10.0-0 Nc6 11.Be4 0-0 12.Bc6 bc6 13.Nbd2 Re8 14.c5 Qd5 15.Qa4 a5 16.h3 Bh5 17.Rae1 Qd7 18.Re3 Bd8 19.Re8 Qe8 20.d5 Bf3 21.Nf3 Kf8 22.Re1 Qd7 23.d6 g6 24.Nd4 Rc8 25.f4 f5 26.Nf3 Bf6 (26...Qa7!? 27.Rc1 Qa6=) 27.Qa5+/- Qb7 28.Ne5 Be5 29.fe5 (better is 29.Re5!? Kg7 30.Re7+-) 29...Ra8+= 30.d7 Ra5 1–0. Gibson,Kris (1800) – Zaczek,Jonathan (1695), Winnipeg TNT Oct op, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.c4 Qe4 7.Be2 e6 8.0-0 Be7 9.d4 0-0 10.Bd3 Qf4 11.Re1 Rd8 (11...Nc6 12.Qd2 Qc7 13.Qc2+=) 12.Nbd2 (12.Re5!? Bd6 13.Bc1 Be5 14.Bf4 Bf4 15.Nbd2=) 12...b6 13.Be4 (13.Qc2!?+=) 13...Ne4-/+ 14.Re4 Qd6 15.Qe2 Bb7 16.d5 Nd7 17.Rg4 g6 18.Ne4 Qc7 19.Neg5 Bg5 20.Ng5 Re8 (20...ed5 21.Qe7 Rf8 22.Nh7+-) 21.Nh7 ed5 22.Qd2 dc4 23.Qd7 Qd7 24.Nf6 Kg7 25.Nd7 c3 26.Rb4 cb2 27.Rb2 Rad8 (better is 27...Bc6!? 28.Nb6 ab6-+) 28.Nc5 Bg2 29.Kg2 bc5 30.h4 Rb8 31.Rc2 Re5 32.Rac1 Rb5 33.Rd1 Rh5 34.Rd7 Rh4 35.Ra7 c4 36.Kg3 Rbh5 37.a4 Kf6 38.a5 c3 39.a6 Rh3 0–1. Goyabart,R – Flores,B, ESP–ch M corr, 1993. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.d3 Nc6-/+ 7.Nbd2 Qd8 8.Qe2 Nd5 9.0-0-0 (9.Ne5!?-/+) 9...Nc3-+ 10.Bc3 bc3 11.Nb3 (better 11.Nb1-+) 11...Qd6 12.d4 (12.Re1 Qa3 13.Kd1 Qa2 14.Nc1-+) 12...Qa3 13.Kb1 Qb2 0–1. TommyBoyTDB – juliangon (2730), ChessWorld.net, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.Bb2 Nf6)

    6.d4 e6 7.Bd3 Bd6 8.0-0 0-0 9.Nbd2 (9.c4 Qh5=) 9...Nc6 (9...b6 10.Qe2=) 10.Qe2 Rd8 11.Ne4 Ne4 12.Be4 Qh5 13.Qe3 (13.h3 Ne7+=) 13...Ne7 14.h3 (14.Qb3 a5 15.Ne5 a4-/+) 14...Nd5 Black threatens to win material: Nd5xe3 (14...f5 15.Bd3 Nd5 16.Qe1-/+) 15.Qd3 (better is 15.Qb3+= and White is still in the game) 15...Nf4-+ 16.Qe3 f6 (16...f5!? 17.Ne5 Nh3 (17...fe4?! 18.Qf4 Qf5 19.Qe3+=) 18.gh3 fe4-+) 17.Rfe1 f5 18.Bd3 Qg6 19.Nh4 (better is 19.g3!?-/+) 19...Qg5-+ 20.g3 Nh3 21.Kg2 Qe3 22.Re3-/+ Ng5 23.f4 Nf7 24.Bc4 g6 25.Be6 Be6-/+ 26.Re6 Rac8 27.Rc1 Re8 28.Re8 Re8 29.Kf3 Nh6 30.Rh1 Ng4 31.Ng2 Bf8 32.d5 Rd8 33.Rd1-/+ Bg7 34.Bg7+= Kg7 35.Ne3 White threatens to win material: Ne3xg4 35...Nf6 36.Rd4 a5 37.Rd3 Kf7 38.Rd4 b5-/+ 39.g4? fg4-+ 40.Ng4 Ng4 41.Kg4-/+ Kf6 42.Kg3 Kf5 43.Kh3 h6 44.Kh4 Rc8 45.Kg3 Rc3 46.Kf2 Rc2 47.Ke3 Rc3 48.Kd2 Rc4-+ 49.Rd3 Kf4 50.d6 Rc8 51.d7 Rd8 52.Rd4? Ke5 53.Kd3 Ke6 54.Ke3 Rd7 55.Re4 Kf5 56.Rf4 Kg5 57.Re4 Rd5 58.Kf3 Rc5 59.Rg4 Kf6 60.Rf4 Rf5 0–1. Siegrist,Daichi – Cortinas,Martin, San Francisco MI op1, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.d4 e6 7.Bd3 Be7 8.c4 bc3 9.Nc3 Qa5 10.0-0 0-0 11.Re1 Nc6 12.Qb3 Qb4 13.Qc2 Rd8 14.a3 Qa5 15.h3 Bd7 16.Ne2 h6 17.Bc3 Qc7 18.Bd2 Bd6 19.Qc1 Bf8 20.Bf4=+ Qc8 21.Qd2 Be8 22.Bc2 Nd5 23.Qd3 g6 24.Rac1 Bg7 25.Bg3 Qd7 26.Red1 Rac8 27.Bh4 Nde7 28.Qe4 Qd5 29.Qe3 g5 30.Be4 Qd7 31.Bg3 Nd5 32.Qb3 f5 33.Bb1 f4 34.Bh2 Bh5 35.g4 Bf7 36.h4 Qe7 37.Kh1 e5 38.Ne5 Ne5 39.Rc8? Rc8 40.de5 Ne3 (40...Ne3 41.Qa4 Nd1 42.Qd1 Qe5-+; 40...Qe5?! 41.Qf3-+) 0–1. Bartakovic,Tomislav – Horvath,P1 (2460), TCh–CRO Rabac CRO (6), 2003.

    6.d4 Bg4 7.Be2 e6 8.c4 bc3 9.Nc3 Bb4 10.0-0 Bc3 11.Bc3 0-0 12.h3 Bh5 13.Rb1 Nbd7 14.Re1 Rfc8 15.Rb5 Qc6 16.Rb3 Nd5 17.Bb2 a6 18.Ne5 Be2 19.Qe2 Ne5 20.Qe5 Qc7 21.Qg5 b5 22.Rg3 g6 23.Rf3 Qd8 24.Qe5 Rc2 25.Bc1 Qc7 26.Qg5 Rc8 27.Bf4 Nf4 28.Rf4 Ra2 29.Qf6 Rf8 30.Re6 Qd8?? 31.Re7 b4 32.Qe5 Ra1 33.Kh2 Ra5 34.Qe3 Qd6 35.g3 b3 36.Re8? Re8 37.Qe8 Qf8 38.Qe2 Rb5 39.Qb2 a5 40.Qe2 Rb8 41.Qe5 b2 42.Rf7 Kf7 43.d5 b1Q (43...b1Q 44.Qe2 Rb2 45.Qe3 Kg7 46.Qd4 Kg8 47.Qb2 Qb2 48.h4 Qbf2 49.Kh3 Q8f5 50.g4 Qd3) 0–1. Sellberg,Joel – Turunen,Pekka (2255), FIN–chT (2), 1996.

    6.Be2 Nc6 7.Bf6 gf6 8.0-0 -/+.

    6.Be2 e6 7.0-0 Nbd7 8.c4 bc3 9.dc3 -/+.

    6.Be2 e6 7.0-0 Be7 8.a3 Nc6 (8...ba3 9.Na3 Bd7 10.c4-/+) 9.d4 (9.ab4 Nb4 10.Na3 Bd7+=) 9...0-0 (9...a5 10.h3+=) 10.ab4+= Nb4 White has new hanging pawns: c2+d4. Black has a new passed pawn: a7 11.c3 White threatens to win material: c3xb4 11...Nc6 12.c4 (12.Na3 Qa5+=) 12...Qd6 White has an active position 13.Qb3 b6 14.Nc3 Bb7 White has a very active position (14...Nd4 15.Nd4 Qd4 16.Bf3+/-) 15.Nb5 (15.Ba3 Qb8-/+) 15...Qf4 (15...Qd8!?-/+) 16.Bc1 White threatens to win material: Bc1xf4 16...Qb8 17.Rd1 Na5 Black threatens to win material: Na5xb3 (17...h6 18.Ba3+=) 18.Qa2 Ne4 (18...Rd8 19.Ba3 Nc6 20.Be7 Ne7 21.Nc3+= (21.Na7?? A poison bait which should not be taken 21...Nc8-+)) 19.Ne5 (19.Ba3!? is interesting 19...Qd8 20.Qb2+=) 19...a6-/+ 20.f3?? the pressure is too much, White crumbles (better is 20.Nd7 Qd8 21.Nf8 Bf8 22.f3 ab5 23.fe4 Be4 24.Be3 Nc4 25.Qb3 Ra1 26.Ra1-+) 20...ab5-+ 21.Nd7 Qe8! 22.Nf8 Nc3 23.Qc2 Ne2 24.Qe2 Qf8 25.cb5 Bd5 26.Bf4 Nb3 27.Ra8 Qa8 28.Be3 Bf6 29.Qc2 h6 30.Kf2 Qa4 31.Rd3 Qb4 32.Rc3 g6 33.Rc8 Kg7 34.Bh6?? simply worsens the situation Kh6 (34...Kh6 35.Qd3 Bd4 36.Ke2 Qa4-+) 0–1. Sellberg,Joel – Verkasalo,Tommi (2065), FIN–chT1, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.Be2 e6 7.0-0 Be7 8.c4 bc3 9.Nc3 Qa5 10.Nb5 a6 11.Qc2 Nc6 12.Bc3 Qd8 13.Nbd4 Nd4 14.Bd4 0-0 15.Rab1 b5 16.Rb3 Bb7 17.Qb2 Bd5 18.Re3 Qa5 19.a3 Rac8 20.Ng5 h6 21.Nh3 Rfd8 22.g4 (22.Nf4 Qa4 23.Bd1 Bb3 24.Ne6 A) 24...fe6? 25.Bb3 (worse is 25.Qb3 Qd4 26.Qe6 Kh8-+) 25...Qd4 26.Qd4 Rd4 27.Be6 Kf8 28.Bc8+-; B) 24...Bd1 25.Nd8 Rd8 26.Re7 Rd4-+) 22...Ne8 23.Rg3 (23.Nf4 Bb7-+) 23...Bc4 24.Re1 (24.Bd3 Bd3 (24...Ba3?! 25.Bh7 Kh7 26.Ra3 Qa3 27.Qa3 Bf1 28.Kf1 Rd4 29.Qa6-+) 25.Rd3 Bf6-+) 24...Bd6 (better is 24...Be2 25.Re2 Qa4-+) 25.f4 Bc5 26.Bc5 Rc5 27.Rc3 Rcd5 28.Bc4 Rd2 29.Qc1? (better is 29.Qb4 Qb4 30.ab4 bc4 31.Rc4-+) 29...bc4 30.Rc4 (30.Nf2-+) 30...Qb6 31.Kh1 (31.Kf1 R8d3 32.Rc3 Qb7-+) 31...Qb7 32.Rce4 Nf6 33.Qc4 R8d4 0–1. Suchsland,Helmut (1880) – Metz,Werner (2120), Hessen–ch Seniors, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.Be2 e6 7.a3 Nc6 8.ab4 Bb4 9.c3 Be7 10.d4 0-0 11.0-0 b5 12.Na3 Ba3 13.Ba3 Re8 14.Ne5 (14.Qc2!?+=) 14...Ne5-/+ 15.de5 Bb7 16.Qd5 Nd5 (16...Bd5? 17.ef6 a6 18.fg7 Kg7 19.Rfd1+-; 16...ed5?! 17.Bb5 Re5 18.Bc5+=) 17.Bb5 Rec8 18.c4 Nf4 19.Rfb1 a6 (worse is 19...Ng2 20.Bd7 Be4 21.Bc8 Rc8 22.Rb2+/-; 19...Bg2?! 20.Ba6 Rd8 21.Be7=) 20.Bd7 Rc7 21.Rb7 Rb7 22.Bc6 Rab8 23.Bb7 Rb7 24.g3 Ne2 25.Kf1 Nd4 26.Bd6 Ra7 27.Bc5 Nb3 28.Rd1 Ra8 29.Bb6 h6 (29...Rc8!?+=) 30.Rd3 Nc1 31.Ra3 Rc8 32.c5 (32.Ra6?! Rc4 33.Ra7 Re4=) 32...a5 33.f4 f6 34.ef6 gf6 35.Ke1 a4 36.Kd1 Nb3 37.Ra4 Rc6 38.Rc4 e5 39.Kc2 Nd4 40.Kd3 Kf7 41.Ra4 Ke6 42.Ra8 Kf5 43.Rh8 Ne6 44.Kc4 ef4 45.gf4 Nf4 46.Rh6 Rc8 47.Kb5 Kg5 48.Rh7 Kg6 49.Rd7 Rh8 50.c6 Rh5 51.Kb4 Rh4 52.c7 Nd5 53.Kc5 Nc7 54.Bc7 Re4 55.Rd4 Re2 56.Bg3 f5 57.Kc4 Kg5 58.Kd3 Re6 59.Rf4 Re8 60.h4 Kg6 61.Bf2 Re5 62.Bd4 Rd5 63.Ke3 Ra5 64.Kf3 Ra3 65.Kg2 Rd3 66.Bf2 Rd5 67.Rf3 Rb5 68.Rg3 Kf6 69.Bd4 Kf7 70.Rg7 Kf8 71.Ra7 Rd5 72.Bf6 Kg8 73.Kf3 Rd6 74.Be5 Rg6 75.h5 Rg5 76.h6 Rh5 77.Rg7 (77.Rg7 Kf8 78.h7+-) 1–0. Cagasik,Tomas (2250) – Siebenburger,Vlastimil (2195), CZE–chT2d, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nf6)

    6.Be2 e6 7.a3 Nbd7 -/+.

    5.Nf3 Bg4

    6.Be2 Nd7 7.0-0 Ngf6 8.c4 Qc6 9.d4 e6 10.h3 (10.d5 Qc7= (worse is 10...ed5 11.Nd4 Qc5 12.Bg4 Ng4 13.Qg4 dc4 14.Qe4 Qe7 15.Qb7+-)) 10...Bh5 (better is 10...Bf3!? 11.Bf3 Qc4 12.Bb7 Rb8-/+) 11.d5= Qb6 (11...ed5 12.Nd4 Qd6 13.Bh5 dc4 14.Re1 Kd8 15.Bf7+-) 12.de6 fe6 13.Nd4 Bf7 14.Bg4 Bc5 15.Ne6 Be6 16.Be6 Qe6 17.Re1 Ne4 18.Qh5 g6 (18...Kf8 19.Qf3 Ndf6 20.Bf6 Qf6 21.Re4 Qf3 22.gf3-+) 19.Qf3 Rf8 (19...Bf2 20.Qf2 Nf2 21.Re6 Kf7 22.Rd6+/-) 20.Re4 Rf3 (20...Bf2? 21.Kf1 Rf3 22.Re6 Kf7 23.Re2+-) 21.Re6 Kf7 22.Re2 Rf4 23.Nd2 ½–½. Bartakovic,Tomislav – Lasic,Arno Leon, CRO–chT2 Center, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 e6 7.0-0 Nf6 8.d4 Bd6 (8...Nc6 9.Re1=) 9.h3 Bh5 10.c4 bc3 11.Nc3 Qa5 12.Nb5 (12.d5 0-0 13.de6 Rd8=) 12...Qd8 (12...Be7 13.Qc2 Nc6 14.Bc3+=) 13.a4 (13.d5 Nd5 14.Bc4 Bf4 15.Bd5 Qd5 16.Qd5 ed5 17.Rfe1 Kd8+=) 13...0-0 (better is 13...Nc6!?=) 14.Nd6+/- Qd6 15.Ba3 Qd5 16.Bf8 Kf8 17.Rc1 (17.Qb1 b6+/-) 17...Nc6+= 18.Rc5 (18.g4 Bg6 19.Bb5 Nb4+=) 18...Qd6 19.Qb3 (19.Bb5 Ne7+=) 19...b6 (19...Nd4 20.Nd4 Qc5 21.Qb7=) 20.Rc2 Rd8 21.Rd1 Bf3 22.Bf3 Nd4 23.Rcd2 Nb3 24.Rd6 Rd6 25.Rd6 Ke7 26.Rc6 Kd7 27.Rc3 Nc5 28.a5 Nd5 29.ab6 ab6 30.Rc2 Kc6 31.Kf1 Kb5 32.Rb2 Ka5 33.Bd5+= ed5 34.Rd2 Kb4 35.Rd5 Kc4 36.Rd8 b5 37.Ke2 b4 38.Rc8 b3 39.Kd2+/- Kb4 40.f3 Na4? 41.Rb8 Ka3+/- 42.Ra8 Kb4 43.Kc1 Nc3 44.Rb8 Nb5 45.Kb2+- Kc4 46.Rb5?? Kb5= 47.Kb3 Kc5 48.Kc3 Kd5 49.Kd3 Ke5 50.Ke3 Kf5 51.f4 h5 52.Kf3 g5 53.g4 hg4 54.hg4 Kg6 55.f5 Kf6 56.Ke4 Ke7 57.Kd5 Kf6?? 58.Kd6 Kg7 59.Ke7 Kg8 60.Kf6 Kf8 61.Kg5 Kg8 62.f6 Kh7 63.Kh5 Kh8 64.Kg5 Kh7 65.Kf5 Kg8 66.Ke5 Kf8 67.Kd6 Ke8 68.Kc7 (68.Kc7 Kf8 69.Kd7 Kg8 70.Ke7 Kh7 71.Kf7 Kh6 72.Ke6 Kg5 73.f7 Kf4 74.f8Q Ke4 75.g5 Kd4 76.g6 Kc3 77.Qa3 Kd4 78.g7 Kc4 79.Kd6 Kd4 80.g8Q Ke4 81.Qg4; 68.g5 Kf8 69.Kd7 Kg8 70.g6 fg6 71.Ke7 Kh7 72.f7 Kh6 73.f8Q Kh5 74.Qf3 Kg5 75.Ke6 Kh4 76.Kf6 g5 77.Qg2 g4 78.Qh2) 1–0. Siegrist,Daichi – Purcell,Brendan, San Francisco MI op1, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5)

    6.Be2 Nf6 7.0-0 e6 8.c4 Qd8 9.d4 Be7 10.a3 0-0 11.ab4 Bb4 12.Qb3 a5 13.Na3 Na6 14.Nb5 Qe7 15.Qe3 Nc7 16.Nc3 Rfd8 17.Rfd1 Bf5 18.Nh4 Bc2 19.Rd2 Bb3 20.Bd3 a4 21.Re1 b5! 22.Qg3 (22.Nb5 Bd2; 22.cb5 Ncd5 Combination) 22...Rd7 (22...Bc4?! 23.Nf5 Qf8 24.Nh6 Kh8 25.Qc7 gh6 26.Bc4 bc4 27.d5-/+; 22...Rd4 23.Nf5 ef5 24.Re7 Be7 25.Nb5 Nb5 26.cb5=) 23.Re5? (23.cb5 Nfd5 24.b6 Nc3 (24...Bc3?! 25.Bc3 Nc3 26.bc7-/+) 25.bc7 Nd5-+ (25...Rc7?! 26.Nf5 ef5 27.Re7 Re7 28.Bc3 Bc3 29.Re2 Re2 30.Be2 Bd4 31.Qd3-/+)) 23...Qf8 (better is 23...bc4 24.Nf5 Qf8 25.Ng7-+) 24.c5 a3 25.Ba1 a2 26.Bc2? (better is 26.Be2-+) 26...Bc2 27.Rc2 Rd4 28.Rc1 Ra3 29.Ree1 Ncd5 30.Nf3 Rg4 31.Qe5 Nc3 32.Rc3 Bc3 33.Bc3 b4 34.Ba1 Rf3 35.h3 Rf5 36.Qc7 Rc4 37.c6 Rfc5 38.Qg3 Ne4 39.Qe3 f5 40.Qf3 Rc1 41.Rd1 Rd1 42.Qd1 Rc6 43.f3 Qc5 44.Kh2 Qd6 (44...Qd6 45.Qd6 Nd6-+) 0–1. Suchsland,Helmut (1730) – Lukovski,Lev (1945), Bad Wildungen op Seniors–B 1st, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Bg4)

    6.Be2 Nf6 7.c4 Qd8 8.0-0 e6 9.d4 Nc6 10.Nbd2 Be7-/+ 11.h3 Bh5 12.Nb3 0-0 13.Qe1 a5 14.Rd1 a4 15.Nc1 Qb6 16.d5=+ ed5 17.cd5 Na5 18.Ne5 Bg6 19.Ncd3 Rfe8 20.Bf3 Bd6-/+ 21.Qd2 b3 22.ab3 Nb3 23.Qg5 a3 24.Nc4-/+ Qd8 25.Na3? Ba3 26.Ba3 Ra3 27.Ne5 Ra6 28.Ng6 hg6 29.Rb1 Nd4 30.Rb7 Nf3 31.gf3 Qd5 32.Qd5 Nd5 33.Rd1 Nf4 34.Kh2 g5 35.Rdd7 Rh6 36.Kg3 Re1 37.Kg4 Rf6 38.Kg3 Rg1 39.Kh2 Rg2 40.Kh1 Rh6 (40...Rh6 41.Rd8 Kh7 42.Rh8 Kh8 43.Rb8 Kh7 44.Rh8 Kh8 45.h4 Rh4) 0–1. Abrahams,Gerald – Beni,Alfred, Bad Gastein (11), 1948.

    6.Be2 Nc6

    7.0-0 Nf6 8.a3 e6 9.Re1 Be7 10.ab4 Nb4 11.Nc3 Qd8 12.Bb5 Nc6 13.Ra4 0-0 14.Re3 Qb6 15.Ba3 (15.Bc6!? bc6 16.Ba3-/+) 15...Ba3-+ 16.Ra3 Nd4 (16...Bf3 17.Rf3 Nd4 18.Rf6 gf6 19.Qh5-+) 17.Bd3 (17.Be2 Ne2 18.Ne2 Rfd8-/+) 17...a6 (17...Bf3 18.gf3 Rfd8 19.Ra2-+) 18.h3? (better is 18.Be2-/+) 18...Nf3-+ 19.gf3 Bh3 20.Ne4 Nd5 21.Ng5 Ne3 22.Bh7 Kh8 23.Re3 Qc5?? (better is 23...Bf5 24.Bf5 ef5-+) 24.f4+- Bf5?? (24...Qd4 25.Rh3 g6 26.Bg6 Kg8+-) 25.Qh5 g6 (25...Bg4 26.Qh4 (26.Nf7?! Rf7 27.Qc5 Kh7+/-) 26...Qg5 27.fg5+-) 26.Bg6 (26.Qh6 Qc2 27.Bg6 Kg8 28.Qh7) 26...Kg7+- 27.Bf7 Qc2 (27...Rg8 28.Rg3 Kf6 29.Bg8 Ke7 30.Qf7 Kd6 31.Qb7 Qc2 32.Qa8 Qb1 33.Kg2 Qb5 34.Qd8 Qd7 35.Nf7 Kc5 36.Rc3 Kb4 37.Qf8 Qd6 38.Qd6 Ka4 39.Ra3 Kb5 40.Rb3 Kc4 41.Rb4) 28.Ne6 Be6 29.Rg3 Kf6 30.Qe5 Ke7 (30...Kf7 31.Rg7 Ke8 32.Qe6 Kd8 33.Qd7) 31.Qe6 Kd8 32.Qd6 1–0. Branson,James (1895) – Heimann,Udo (1975), Montigny le Bretonneux op 5th, 2006. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.0-0 Nf6 8.c4 bc3 9.Nc3 Qd7 10.Qa4 e6 11.Nb5 Bf3 12.Bf3 Be7 13.Rac1 0-0 14.Qf4 Rac8 15.Qg3 Rfd8 16.d4 Nd5 17.Be4 (17.Nc3 Bd6 18.Qh4 Nf4-/+) 17...a6-+ 18.Na3 b5 19.Nc2 f5 20.Bf3 Bd6 21.Qh4 Nce7 22.g3 h6 23.Ne3 Nf6 24.d5 (24.Rc8!? Rc8 25.Rc1-/+) 24...Ned5 25.Rcd1 Ne3 26.fe3 Rc4 27.Qh3 Qe7 28.Be2? (28.Qg2-+) 28...Rc2 29.Bf6 Qf6 (29...gf6?! 30.Rf2-+) 30.Bd3 Ra2 31.Bb1 (31.e4 Qc3 32.Kh1 Bc5-+) 31...Rb2 (31...Re2 32.Kh1 Re3 33.Qg2-+) 32.Qh5 (32.Kh1 Bc5 33.e4 Rd1 34.Rd1 Qg5-+) 32...Qg5 33.Qf3 Bc5 34.Rd8 Qd8 35.Qc6 (35.Rd1 Be3 36.Kh1 Rd2-+) 35...Be3 36.Kh1 Qd5 (better is 36...Kh7 37.Qf3 Qd4 38.Re1-+) 37.Qd5 ed5 38.Bf5 Rf2 (better is 38...Kf7!? 39.Bc8 Ke7 40.Ba6-+) 39.Be6 Kf8 40.Ra1 (40.Rf2 Bf2 41.Bd5 Ke7-+) 40...d4 41.Ra6 d3 42.Bg4 b4 43.Re6 Bc5 44.Rc6 Rc2 45.Bf5 (45.Rc8 Ke7 46.Rc7 Kf6-+) 45...Rc1 46.Kg2 d2 47.Bg4 Be7 (47...Be7 48.Rb6 d1Q 49.Bd1 Rd1-+) 0–1. Revise,I – Spiller,A, Santa Monica, CA ch, 1951. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.c4 bc3 8.Nc3 Qd7 9.0-0 Nf6 10.Nb5 e6 (better is 10...a6!? 11.Na3 b5-/+) 11.Ne5= Ne5 12.Be5 Be2 13.Qe2 Nd5 14.Rac1 a6 Black threatens to win material: a6xb5 15.Rc7?? White loses the upper hand (better is 15.Nc7 would hold out 15...Nc7 16.Rc7=) 15...Qb5-+ 16.Qb5 ab5 17.Rb7 f6 (17...Ra2?! 18.Rb8 Kd7 19.Rc1-+) 18.Bb8 (18.Bg3 doesn't change the outcome of the game 18...Ra2 19.Rb5 Rd2-+) 18...Be7 (18...Ra2 might be the shorter path 19.g3 Be7 20.Rb5 Rd2 21.Bf4 Nf4 22.Rb8 Rd8 23.Rd8 Bd8 24.gf4-+) 19.Rb5 (19.Ba7 does not solve anything 19...Kf7-+) 19...0-0 (19...Ra2 makes it even easier for Black 20.d4-+) 20.Bg3 (20.Rfb1 cannot change what is in store for White 20...Rc8-+) 20...Rfc8 21.h3 Ra3 22.Kh2 h5 23.Rb7 Rc2 24.Rfb1 Raa2 25.Re1 Rc6 26.Bf4 Nf4 27.Re7 Rd2 28.Kg3 e5 29.Rb1 Ne6 30.Rb8 Kh7 31.Kh4 0–1. Aladics,Jozsef – Kocsis,Laszlo (2150), Harkany Tenkes Cup, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.c4 bc3 8.Nc3 Qd7 9.0-0 Nf6 10.d4 Bf3 11.Bf3 Nd4 (11...Qd4?? 12.Bc6 bc6 13.Qd4+-) 12.Bb7? (12.Rc1-/+) 12...Rb8?? (better is 12...Qb7 13.Qd4 Qb2=) 13.Na4+= e6 14.Bd4 Rb7 15.Qc2 Be7 (15...Rc7 16.Qb2+=) 16.Nc5 Rc7 17.Nd7 Rc2 18.Nf6 Bf6 19.Bf6 gf6 20.Rfc1 Rc1 21.Rc1 Kd7 22.Kf1 Rc8 23.Rd1 Ke7 24.Rb1 Kf8 25.Rb2 Rc3 26.g3 Ra3 27.Kg2 Kg7 28.f3 Kg6 29.Kf2 h5 30.Kg2 e5 31.Kf2 f5 0–1. Michalek,Martin (2000) – Zill,Christoph (2285), BdF, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Bg4)

    7.h3 Bf5 8.c4 bc3 9.Nc3 -/+.

    4.ed5 Nf6

    5.a3 Nd5 6.ab4 Nb4 7.Nf3=+.

    5.a3 e6 6.de6= Be6 7.Nf3 Nc6 8.Bb5 a6 (8...Bd6!?=) 9.Bc6+= bc6 10.ab4 (10.0-0 Be7+=) 10...Bb4= 11.0-0 0-0 12.Nc3 Bg4 (12...Re8 13.Re1=+) 13.h3 (13.Re1 Re8=) 13...Bh5 (13...Bf3 14.Qf3 Qd2 A) 15.Qc6?? Rac8 16.Qa4 Bc3-+ (16...Rc3?! 17.Qb4 Rc2 18.Qd2 Rd2 19.Bf6 gf6 20.Ra6=); B) 15.Ne2=+) 14.g4 Ng4 (14...Bg6 15.Re1=) 15.hg4 Bg4 16.Ne4 (16.Kg2 Re8 17.Re1 Qf6-/+) 16...Qd5 (16...f5!? 17.Neg5 Be7=) 17.d3 Qh5 (17...Rfe8 18.Kg2=) 18.Ng3 Qd5 19.Kg2 h5 (19...Rfd8 20.Rh1+=) 20.c4 Qe6 21.Rh1 Qh6? (better 21...Rfe8+=) 22.Qc1+- Bf3 23.Kf3 Bd2 24.Qd1 (24.Qg1 Qf4 25.Kg2 h4+-) 24...h4 (24...Rfd8 25.Rh5 Rd3 26.Kg2+-) 25.Rh4! Qh4 26.Qd2 f5 27.Qf4 Qg4 28.Qg4 fg4 29.Kg4 (29.Ke2 a5+-) 29...Rf2 30.Be5 c5? (30...Rd2!? 31.Nf5 Rd3 32.Ne7 Kf7 33.Nc6 a5+-) 31.Ra5 (31.Ne4!? Rc2+-) 31...Rd2 32.Rc5 Rd3 33.Rc7 a5 (33...Rad8 34.Rg7 (34.Bg7?! R8d7 35.Rd7 Rd7+=) 34...Kf8 35.Rc7+-) 34.Rg7 (34.Ne4 Rd1 35.Rg7 Kf8+-) 34...Kf8 35.Rh7 Re8 36.Bf4 (36.Bf6+-) 36...Rd4? (better 36...Re6!?+=) 37.c5 (37.Nf5!? Rd1 38.Bd6 Kg8+-) 37...Rc4 38.Rc7 (38.Nf5!? Kg8 39.Rg7 Kh8 40.Nd6 Kg7 41.Nc4+- (41.Ne8?! Kg6=)) 38...Re7+- 39.Rc8 Kf7 (better 39...Re8 40.Rc6 Ke7 41.Nf5 Kd7 42.Rd6 Kc8+-) 40.Kg5?? (40.Nf5 Re6 41.Rc7 Kg6 42.Nh4 Kf6 43.Kg3=) 40...a4?? (40...Re8 41.Rc6 Re6 42.Bd6 Rd6 43.Rd6 Rc5 44.Nf5=) 41.Bd6 (better 41.Nf5 Re6 42.Rc7 Kg8 43.Nd6+-) 41...Re3?? (better 41...a3=) 42.Rc7 (better 42.Rf8 Ke6 43.Re8 Kd5 44.Re3 Kc6+-) 42...Kg8 (42...Ke8 43.Nf5 Ree4 44.Ng7 Kd8+-) 43.Kg6 (better 43.Nh5 Re6 44.Nf6 Rf6 45.Kf6+-) 43...Rg4= 44.Kf6 Rgg3 45.Bg3 Rg3 46.Ra7 (46.Rc8 Kh7 47.Ke5=) 46...Rf3 (46...Rc3 47.Rg7 Kh8 48.Ra7=) 47.Ke5 (47.Ke6 Rc3 48.Kd5 Kf8 49.Ra4 Ke7+-) 47...Kf8+= 48.Ra4 (better 48.c6 Rc3 49.Kd6 Rd3 50.Ke6 Re3 51.Kd5+=) 48...Ke8?? (48...Ke7 49.Ke4 Rg3 50.Kd5=) 49.Ra7 (better 49.Kd6 Rd3 50.Kc7+-) 49...Kd8 50.Kd5 Kc8 51.Kc4 Rf1 52.Kb5 Rc1 (better 52...Rf6!?=) 53.Kb6 Rg1?? (better 53...Rc2+-) 54.c6 (better 54.Ra8 Kd7 55.c6 Ke7 56.c7 Rb1 57.Kc6 Rc1 58.Kb7 Rb1 59.Kc8+-) 54...Kb8?? (54...Rb1 55.Kc5=) 55.Rh7 (55.c7 Kc8 56.Ra8 Kd7 57.c8Q Kd6 58.Qc5 Ke6 59.Qg1 Ke5 60.Re8 Kf5 61.Qf2 Kg6 62.Rg8 Kh7 63.Qf7 Kh6 64.Qg6) 55...Rg8?? (better 55...Rb1 56.Kc5 Re1=) 56.Rb7 (56.Rb7 Kc8 57.Ra7 Kd8 58.Ra8 Ke7 59.Rg8 Kf6 60.c7 Ke6 61.c8Q Ke5 62.Qg4 Kd6 63.Re8 Kd5 64.Re1 Kd6 65.Qd4) 1–0. Meyer,Henrik (2125) – Fuhrmann,Aeke (1790), ch–GER Youth U25, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    5.Bb5 Nbd7 6.c4 (6.Bf6!? ef6 7.Qe2 Qe7 8.c4=) 6...bc3=+ 7.Nc3 a6 8.Ba4 (8.Bd7 Qd7 (worse 8...Kd7 9.Qa4 b5 10.Nb5+/-) 9.Qb3 Qg4-/+) 8...b5-/+ 9.Bb3 Nc5 10.d4 (10.Bc2 Nd5 11.Ne4 Ne4 12.Be4 Bb7-/+) 10...Nb3 11.Qb3 Bb7 12.a4 (12.Nf3 Nd5 13.0-0 e6-+) 12...Nd5 13.Nf3 (13.Nge2 Nc3 14.Nc3 Qd4 15.ab5 Bg2-/+) 13...b4 (13...Nf4!? 14.ab5 Ng2 15.Ke2 Nf4 16.Ke3-+) 14.Nd5-/+ Bd5 15.Qb4 e6 16.Qd2 Bf3 17.gf3 Qd5 18.0-0 Bd6 19.Ba3 Rd8 20.Rfd1 (20.Qd3 Ba3 21.Ra3 Rd6-/+) 20...Qf3-+ 21.Bd6 Rd6 22.Qe3 Qd5 23.Rac1 0-0 24.Rc5 Qb7 (24...Qa2 25.Ra5-+) 25.Qc3 (25.Rdc1 h6-/+) 25...Rd5 (25...Rfd8 26.a5-+) 26.Rd5 (26.Qd3 Rfd8 27.Rd5 Rd5-/+) 26...Qd5-+ 27.Qc5 Qb3 28.Rc1 (28.Ra1 Rd8-+) 28...Qa4 29.Kg2 h6 30.d5 (30.Qd6 Qb5 31.Rc5 Qd3-+) 30...Qe4 31.f3 Qd5 (31...Qg6!? 32.Kf2 Rb8 33.Qd4 ed5 34.Qd5 Rb2 35.Ke3 Rh2 36.Qe5-+) 32.Qd5 ed5 33.Ra1 Ra8 34.Ra5 Rd8 (34...g5 35.Kf2-+) 35.Ra6 d4 (35...Kf8 36.Kf2-+) 36.Ra2 (36.Kf2 Rc8-+) 36...Kh7 (36...d3 37.Rd2-+) 37.Kf2 Kg6 38.Ke2 Kf5 (38...Rd7 39.Ra5-+) 39.Kd3 (39.Ra7 Ke6-+) 39...Kf4 (39...Rd7 40.Rg2 g5 41.Rg4-+) 40.Rg2 (40.Ra7 f5 41.Rg7 Kf3-+) 40...g5 41.Rg3 f5 42.h3 (42.Rh3 Rd5-+) 42...h5 (42...Kg3 43.Ke2 d3 44.Kd2 Kf3 45.h4 gh4 46.Kc3 d2 47.Kb3 d1Q 48.Kc3 Qc1 49.Kb4 Rb8 50.Ka4 Qa1) 43.h4 (43.Rg1-+) 43...Kg3 44.hg5 h4 45.g6 h3 46.g7 h2 (46...h2 47.Kd2 h1Q 48.g8R Rg8 49.Kd3 Rc8 50.Kd4 Qf3 51.Ke5 Rc6 52.Kd4 Qe4) 0-1. Rusan,P (2105) - Aldokhin,I (2410), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.Bb2 d5)

    5.c4 bc3 6.Nc3 Nd5 7.Qb3 Nb6 8.Nf3 Be6 9.Qb4 (9.Qc2 Nc6=) 9...Nc6 10.Qh4 (10.Qe4 g6 11.Nb5 Rg8=+) 10...Bd5 (10...Bf5 11.Be2=+) 11.Nd5=+ Qd5 12.Be2 e6 (12...e5 13.0-0=+) 13.0-0 Be7 14.Qg3 Bf6 15.Bf6 gf6 16.Qf4 Ke7 (16...Rg8 17.Rfe1=+) 17.Rfe1 (17.Rab1 Rac8=+) 17...Rad8 (17...Rac8 18.Rab1=+) 18.Rac1 (18.Rab1 Rhg8=+) 18...Rhg8 (18...Rc8 19.Rb1=+) 19.Bf1 (19.g3 h5=+) 19...Rd7 (19...Rc8 20.g3=+) 20.Re4 (20.g3 h5=+) 20...Qa2 21.Rce1 (21.Qh6 Qb2 22.Rc5 Rd5-/+) 21...Qb2-/+ 22.Qh4 (22.d4-/+) 22...Rgd8 (22...Rg7!? 23.d4 Rd8=+) 23.Qh7= Kd6 24.Qg7 Kc7 25.h4 a5 26.h5 a4 27.h6 (27.R4e2 Nd4 28.Nd4 A) worse 28...Rd4 29.Qf7 Nd7 30.Qe6+- (30.Re6?! a3=); B) 28...Qd4=) 27...a3=+ 28.h7 (28.Rf4 a2 29.h7 a1Q 30.Ra1 Qa1=+) 28...a2 (28...f5 29.Qg3 Kc8 30.Rh4=+) 29.h8Q= Rh8 30.Qh8 a1Q (30...a1R 31.Ra1 Qa1 32.Re1=) 31.Ra1 Qa1 32.g3 (32.Qh2 Kd8=) 32...Nd5 (32...Qb1 33.Re1 Qb2 34.Kg2=+) 33.Re1 (33.Qf8 Kb6=) 33...Qa4 34.Bg2 (34.Qg7 Qb3 35.Kg2 Qc2=+) 34...Qg4 (34...Qc2 35.Bf1=+) 35.Qf8 Qb4 36.Qg8 (36.Qg7 Re7=+) 36...f5-/+ 37.Rc1 (37.Qg7 f4=+) 37...Qb2=+ 38.Re1 (38.Rc4 Nf6 39.Qg7 Qb1 40.Bf1 Ne4 41.Qe5 Kc8-/+) 38...Qf6 (38...b5 39.Bf1-/+) 39.Qf8 f4 (39...e5 40.Qc5 e4 41.Nh4-/+) 40.Qc5 (40.g4!?=+) 40...fg3-/+ 41.fg3 Qe7 (41...Qg6 42.Qf2-/+) 42.Qe7 (42.Qf2 Ndb4 43.Bf1 Rd5-/+) 42...Nde7 (worse 42...Nce7 43.Ne5 Rd8 44.Nf7=; worse 42...Re7 43.Ng5-/+) 43.Rc1 f6 44.Kf2 (44.Bh3 Kd6-/+) 44...e5 (44...b5 45.Bh3 Rd6 46.g4-/+) 45.Ke2 (45.g4 Nd5-/+) 45...Kb8 (45...b5 46.g4-/+) 46.Nh4 (46.g4 Nd5 47.Kf2 Kc7-/+) 46...Nd4 47.Ke1 (47.Kd1 b5-/+) 47...Rd6 (47...b5 48.Nf3-/+) 48.Rb1 (48.g4 b5-/+) 48...b5 49.Nf3 (49.Be4 Kc7-/+) 49...Nef5 (49...Nec6 50.Nd4 Nd4 51.Kf2-/+) 50.Nd4 (50.g4 Nf3 51.Bf3 Nd4-/+) 50...Nd4 (50...Rd4?! 51.Rb5 Kc7 52.Rb3=) 51.Be4 (51.g4 Kc7-/+) 51...Kc7 52.Bd3 (52.g4 Rb6-/+) 52...Kb6-+ 53.Kf2 Rd8 54.Rh1 (54.Rf1 Kc5-+) 54...f5 (54...b4 55.Rf1-+) 55.Rh6 (55.Rh5 Rf8 56.Ke3 Kc5-/+) 55...Ka5 (55...Kc5 56.Rh5 Rf8 57.Ke3-+) 56.Rf6 (better 56.Rh5!?-/+) 56...e4-+ 57.Bb1 b4 58.g4 fg4 (58...b3 59.g5-+) 59.Be4 (59.Rg6!?-/+) 59...b3-+ 60.Rg6 Nc2 (better 60...b2 61.Bb1 Nf3 62.Rg4 Nd2 63.Rg5 Kb4 64.Rg4 Nc4-+) 61.Ke2?? (61.Rg5 Kb4 62.Rg4 Rd2 63.Kf3-+) 61...Re8 62.Kd3 (62.Rg5 Kb4 63.Rg4 b2-+) 62...Re4! 63.Ke4 (63.Kc3 Rb4 64.Kb2 Ne1-+) 63…b2 0–1. Markotic,Gordan (2275) – Plenca,Julijan (2410), 25th Croatian Championship Division 1b, 2016. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    5.c4 bc3=+ 6.Nc3 Nd5 7.Rc1 Nc6 8.Qf3 Nf6 9.Nb5 Bd7 10.Be2 e6 11.Nh3 Be7 12.Qg3 0-0-/+ 13.0-0 a6 14.Nd6 Qb8 15.Rc6? Bc6-+ 16.Be5 Qd8 17.Bd3? Nh5 18.Qg4 g6 19.Ng5 Bg5 20.f4 Bf6 21.f5 ef5 (21...ef5 22.Qd4 Be5 23.Qe5 Qf6-+) 0–1. Fallone,Michael – Beaty,JH, BCF–ch York (11), 1959.

    5.Bc4 Nd5 6.Qf3 e6 7.Ne2 Nc6 8.a3 Qd6 9.d4 Be7 10.0-0 0-0 11.ab4 Ncb4 12.Na3 Nb6 13.Bb3 Bd7 14.c4 (14.Qb7?? Bc6 15.Nb5 Bb5-+ (worse is 15...Bb7 16.Nd6 Bd6 17.Ba3-+)) 14...Na4 15.Bc1 Bc6 16.Qh3 Bf6 (16...Qd7 17.Nc2 Rfc8 18.Nb4 Bb4 19.Bc2+=) 17.Rd1 e5 18.c5 Qe7 19.d5 (19.Nc2 ed4 A) worse is 20.Ra4 Ba4 (20...Qe2?! 21.Rd2 Qe7 22.Rb4=) 21.Ba4 d3 22.Nb4 de2-/+; B) 20.Nb4 Qe2 21.Ra2= (21.Nc6? Nc3 22.Rf1 bc6-+)) 19...Bd7-/+ 20.d6 Qd8 (worse is 20...Bh3 21.de7 Be7 22.Ba4= (worse is 22.gh3 Nc5 23.Bc4 Rfd8-/+)) 21.Qe3 e4 22.Rb1 (22.Qe4 Nc5 Double attack (22...Ba1 Discovered attack; 22...Nc5 Deflection; 22...Nc5 Decoy)) 22...Nd3 23.Bd5 Nac5 24.Bb7 Nb7-+ 25.Rb7 Bc6 26.Ra7 Qd6 27.Nc4 Qb4 28.Nd2 Nc1 29.Nc1 Bd4 30.Ra8 Be3 31.Rf8 Kf8 32.fe3 Ba4 33.Na2 Qa3 (33...Qa3 34.Re1 Qa2 35.Ne4 Bc6-+) 0–1. Barnier,Alain – Frank,Albert, Geneve op, 1990. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    5.d4 Nd5-/+ 6.c4 bc3! 7.Nc3 e6 8.Bc4 Nc6 9.Nge2 Nb6 10.Bd3 Bd7 (10...Nd4? 11.Nd4 Be7 12.0-0+-) 11.Rc1 Nb4 12.Bb1 Bc6 13.0-0 Qh4 14.Ng3 Be7 15.Re1 Rd8 16.Qe2 0-0 (16...Qd4 17.Nce4 Qd5 18.Bg7+=; 16...Rd4?! 17.Nb5 Rc4 18.Nf5+=) 17.a3 N4d5 18.Qc2 (18.Nd5 Nd5 (18...Rd5?! 19.Nf5 ef5 20.Qe7+=) 19.Be4 Rd7-/+) 18...Nf6 (18...Nc3!? 19.Qc3 Na4 20.Qc2 Nb2 21.Qb2 Rd4 22.Rc3-+) 19.Re5 g6 (19...Rd4?! 20.Rh5 Qg4 21.h3=) 20.Rce1 (better is 20.Nb5-+) 20...Nc4 (20...Qd4?! 21.Nd5 Qd5 22.Rd5 Rd5 23.Ba2-/+) 21.d5 (21.R5e2 Rd4 22.Nce4 Nb2 23.Qb2 Ra4-+) 21...Ne5 22.dc6 Nc6 23.Nce4 e5 24.Bc1 Ne4 25.Re4 Qf6 26.Qe2 Bc5 27.Rc4 Nd4 28.Qe3 (28.Qe1 Qb6 29.Ba2 Rc8-+) 28...Nb3 29.Rc5 (29.Qe2 b5 30.Ne4 Bf2 31.Kh1 Qa6-+ (31...bc4 32.Nf6 Kg7 33.Bg5+=)) 29...Nc5 (29...Rd1 30.Nf1 Qa6-+ (30...Nc1?! 31.Rc1 Rc1 32.Qc1+=)) 30.Qc5 (30.Bc2-+) 30...Rd1 31.Nf1 Qa6 (31...Qa6 32.h3 Qf1 33.Kh2 Rc1 34.Qe5 Rb1-+) 0–1. Schulz,Hans Juergen (2090) – Reddmann,Hauke (2340), Hamburg–ch qual, 2003. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5 4.ed5 Nf6)

    5.d4 Nd5-/+ 6.c4 bc3! 7.Nc3 e6 8.Bd3 Nc6 9.Nge2 Be7 10.0-0 0-0 11.Rc1 Bg5 12.Rb1 b6 13.a3 Bb7 14.Nd5 ed5 15.Ng3 g6 16.Bc3 Be7 17.Rb3 Qd7 18.Re1 Rfe8 19.Qf3 Bg5 20.Rbb1 Rac8 21.Bb5 Re1-/+ 22.Re1 a6 23.Bd3-/+ Nd8 24.Bb2 Ne6 25.Qg4 Qd8 26.h4 Bh4-+ 27.Nf5 Bg5 28.g3? h5 29.Qh3 Rc6 30.f4 Bf6 31.Nh6 Kg7 32.Nf5 Kh7 33.Bc1? Nd4 34.Nd4 Bd4 35.Kh2 Kg7 36.f5 Bc8 37.Bf4 Qf6 38.g4 g5 39.Qh5-/+ Qh6 40.Bg5 Qh5 41.gh5 Rc3?? 42.f6!+- Bf6 43.h6 Kf8 44.h7 (44.h7 Kg7 45.h8Q Kh8 46.Bf6 Kg8 47.Re8) 1–0. Schulz,Hans Juergen (2105) – Lampe,Dirk (2295), Wichern op Hamburg (1), 1997.

    5.Bf6!? ef6 6.Bb5 Bd7 7.Qe2 Qe7 8.Bd7 Nd7 9.a3 =.

    5.Bf6 ef6 6.c4 bc3 7.Nc3 Be7 8.Bb5 Nd7 9.Nge2 0-0 10.Bd7 Bd7 11.Rb1 Rb8 12.0-0 f5 13.Qb3 Bf6 14.Rfc1 b5 15.Nd1 Re8 16.Ne3 Qa5 17.Qb4 Qa2 18.Rc7? (better is 18.Rc2!? Qa6 19.Rc7-+) 18...a5-+ 19.Qb3 Qb3 20.Rb3 a4 21.Rb1 a3 22.d4 Red8 23.Nc2 Be7 24.Na1 b4 0–1. Knudsen,JesW (2000) – Nuri,Kam (2300), Gibraltar Masters, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    5.Bf6 gf6 6.c4 Bg7 7.Qa4 Bd7 8.Qb4 f5 9.Nc3 Na6 10.Qa3 Qc7 11.Nf3 Nc5 12.d4 Ne4 13.Bd3 h6 14.0-0 Ng5 15.Ne5! Be5 16.de5 Qe5 17.Rfe1 Qf6 18.d6 Rb8?? (18...Rg8 19.Re7 Kf8+-) 19.Nd5 (better is 19.Re7 Kf8 20.Rd7 Rg8+-) 19...Qd4 20.Bf1 (better is 20.Re7 Kf8 21.Rd1+- (21.Rd7?! Nf3 22.Kf1 Qa1 23.Ke2 Nh2+=)) 20...f4?? (better is 20...Ne4 21.de7 Qf2 22.Kh1 Rc8 23.Re4 fe4+-) 21.Rad1+- Qd1 (21...Nh3 22.Qh3 Bh3 23.Re7 Kd8 24.Rd4 Be6 25.Nf4 Re8 26.Ne6 fe6+-) 22.Nf6 Kd8 23.de7 Kc7 (23...Kc8 24.Rd1 Nh3 25.gh3 Rg8 26.Ng8 Kc7 27.Qd6 Kc8 28.Qd7) 24.Qc5 (24.Rd1 Nh3 25.gh3 Rbg8 26.Bg2 Rg2 27.Kh1 Kc8 28.Nd7 Rg1 29.Kg1 Rg8 30.Kf1 Rg6 31.e8Q Kc7 32.Qc5 Rc6 33.Qb8) 24...Bc6 25.Rd1 (25.Rd1 Ne6 26.Qd6 Kb6 27.Rb1 Ka5 28.Qb4 Ka6 29.Qa3 Ba4 30.Qa4) 1–0. Gimeno Oteo,MA – Aparicio Navarro,PJ, Aragon–ch, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    5.Bb5 Bd7

    6.Bc4 b5 7.Bb3 a5 8.a3 Na6 9.Nf3 a4 10.Ba2 ba3 11.Na3 Nb4 12.0-0 (12.Qe2!?+=) 12...Na2-/+ 13.Bf6 gf6 (worse is 13...ef6 14.Re1 (worse is 14.Ra2 Ba3 15.Ra3 0-0-/+) 14...Be7 15.d6+= (worse is 15.Ra2 0-0+=)) 14.Ra2 Bg7 (better is 14...b4!? 15.Nc4 Rg8+=) 15.Rb2+= Attacks the backward pawn on b5 15...0-0 16.Rb4 Qb6 17.c3 Qc5 18.Re1 Qd5 19.Re7 Rfe8 (19...Rae8 20.Re3+=) 20.Rd4+= Qb3 21.Re8 Be8 22.Nc2 a3 23.Rb4 Qc2!-/+ 24.Qc2 a2 25.Nd4 a1Q 26.Rb1 Qa2 27.Qe4 Bd7 28.Rf1 Rf8 29.Qb7 Bc8 30.Qb5 Ba6 31.Qb1 Qd2 32.Re1 Qc3 33.Nf5 Bd3 34.Ne7 Kh8 35.Re3 Bb1 36.Rc3 Rd8 37.h4 Bf8 38.Rc7 Re8 39.Nd5 Re1 40.Kh2 Bd6 (40...Bd6 41.f4 Bc7 42.Nc7 Be4-+) 0–1. Knudsen,JesW (1960) – Kurnosov,I (2630), Politiken Cup, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    6.Bc4 Bf5 7.Ne2 Be4 Can d5 get defended? (better 7...Nbd7=) 8.Nf4 (better 8.0-0 Bd5 9.Bd5 Nd5 10.a3=) 8...Qc7-/+ 9.Bb5 (9.d3!? Qf4 10.de4 Qe4 (worse 10...Ne4 11.Qd4 Qf6 12.a3=) 11.Be2 Qg2-/+) 9...Nbd7-+ 10.Ne6 (better 10.d3 Qf4 11.de4 Qe4 12.Kf1 Qd5 13.Qe2-+) 10...fe6 11.de6 Bg2 12.ed7 Kd8 13.Rf1 (13.Bf6 ef6 (13...Bh1?! 14.Qh5 g6 15.Qe2-/+; 13...gf6?! 14.Qh5 Qe5 15.Qe5 fe5 16.Rg1=+) 14.Qh5 g6-+) 13...a6 14.Ba4 (14.Be2 Qh2 15.Bf3 e6-+) 14...Qh2 15.Qe2 Bf1 16.Qf1 b5 (16...e6 17.a3 Nd7 18.ab4 Bb4 19.Nc3-+) 17.Bb3 Kd7 (17...Ra7 18.d3 e5 19.Nd2-+) 18.d3 (18.a4 ba3! 19.Na3-+) 18...g6 (better 18...e5 19.Nd2 Bd6-+) 19.Nd2 Bh6 (better 19...Bg7 20.Nf3 Qc7-/+) 20.0-0-0? (20.Nf3 Qh5 21.Ne5 Kc7 22.Qg2+=) 20...Rhc8 (20...Rhf8 21.Qe2 Bd2 22.Qd2-+) 21.Kb1 Bd2 (21...Qh5 22.Ne4 Bg7 23.f4-+) 22.Rd2 Rc3! 23.Re2 (23.Bc3 bc3 Combination) 23...Ke8 (23...Kd8 24.Qe1 Qc7 25.Qh1-/+) 24.f4-/+ Qg3 25.Qh1 Rac8 26.Be6 (26.f5 gf5 27.Be6 Qd6 28.Bc8 Rc8-/+) 26...Rd8 (26...Qf4 27.a3 R3c5 28.Bc8 Rc8 29.Be5-/+) 27.f5 g5 28.a3 (28.Bc3 bc3 29.Qc6 Kf8 30.Qc3 Qg1 31.Re1 Qf2-/+) 28...Rcd3! (28...Ra3 29.Bf6 ef6 30.Bc8 Qe5 31.Re5 Kf8 32.Qh6 Kf7 33.Qh7 Kf8 34.Qe7 Kg8 35.Qd8 Kg7 36.Re7 Kh6 37.Qh8) 29.Qc6 (29.cd3 Qd3 Double attack) 29...Kf8 30.cd3 Qd3 31.Qc2 ba3 32.Qd3 (32.Bc3 h5-/+) 32...Rd3 33.Be5 (33.Bc1 g4-+) 33...b4 (33...Nd7 34.Bc7 Nc5 35.Be5-+) 34.Ka2 (34.Kc2!? Rf3 35.Rd2-/+) 34...Nd7 (34...h5 35.Rg2 h4 36.Rg5-+) 35.Ba1 (35.Bh8 Nc5-+) 35...Nc5 36.Bc4 (36.Be5 h5-+) 36...Rf3 (better 36...Rd1!? 37.Bh8 Rc1-+) 37.Rd2 Ke8 38.Be2 (38.Bg8 h6 (38...Rf5 39.Bh7 Rf6 40.Bf6 ef6 41.Rd4+-) 39.Bh7 Rd3 40.Bg6 Kd7 41.Rd3 Nd3-+) 38...Rh3 (38...Rf5?? 39.Bh5 Rf7 40.Rf2+-) 39.Bg4 (39.Be5 Ne4 40.Rd3 Rd3 41.Bd3 Nc3 42.Bc3 bc3 43.Ka3 Kf7-+) 39...Rh4 40.Rg2 (40.Bd1 b3! 41.Bb3 Nb3 42.Kb3 Rh3 43.Kb4-+) 40...b3 (better 40...Kf8 41.Be5 Nd3-+) 41.Ka3-/+ h5 42.Be2? (better 42.Bf3!? Ra4 43.Kb2 Ra2 44.Kb1 Rg2 45.Bg2-/+) 42...Ra4-+ 43.Kb2 Ra2 (better 43...g4!?-+) 44.Kb1-/+ g4 45.Bb2? (better 45.Bd4 Ne4 46.Bb2-/+) 45...Na4-+ 46.Bd4 Rc2 47.Bf1 Nc3 48.Bc3 Rc3 49.Ba6 g3 (49...Kf7 50.Kb2 Rf3 51.Rg1-+) 50.Kb2 (50.Bf1 Re3 51.Kb2 Kf7-+) 50...Re3 51.Rd2 (51.Be2 h4 52.Bg4 Kf7-+) 51...h4 (51...Re5 52.Kb3 Rf5 53.Kc4-+) 52.Bf1 Kf7 53.Bh3 Kf6 (better 53...Re1-+) 54.Rd4=+ Re2 (54...g2 55.Bg2 h3 56.Bh3 Rh3 57.Re4=) 55.Kb3 Rh2 (55...Kg5 56.Rg4 Kf5 57.Rg3 Ke5 58.Rg5 Kf6 59.Rf5 Kg6 60.Rf3=) 56.Rh4= g2 57.Rh6 Kf7 58.Rg6 Rh3 59.Kc2 (59.Kc4 e6=) 59...Ra3=+ 60.Kb2 (60.Rg2?? Ra2 61.Kd3 Rg2-+) 60...Rf3 61.Rg2 Rf5 62.Kc3 Rd5 63.Kc4 (63.Re2 Rd7=+) 63...Rd1 (63...Rd7!?=+) 64.Rf2= Ke6 65.Kc5 (65.Re2 Kf6 66.Rf2 Kg5=) 65...Kd7 (65...Rd5 66.Kc4=+) 66.Rf5= Ke6 67.Rf2 Rd5 68.Kc4 (68.Kc6 Rd4=+) 68...Kd6 (68...Rd7!?=+) 69.Rf3 (69.Rf1 e6=) 69...Rd1 (69...Rd2 70.Re3=) 70.Re3 e6 (70...Rd2 71.Kc3 Rd5 72.Re2=) 71.Kc3 Rd5 (71...Rf1 72.Kd4=) 72.Kc4 (72.Re2 Ra5=) 72...Ra5 73.Rb3 (73.Kb4 Ra2=) 73...Rd5 74.Re3 Rd2 (74...Rg5 75.Rd3 Ke5 76.Re3 Kf5 77.Kd3=) 75.Kc3 Rd1 (75...Rg2 76.Re1=) 76.Kc4 (76.Re2 Kd5=) 76...Ra1 77.Re2 Rd1 78.Re3 Rd2 79.Kc3 Ra2 80.Re1 Kd5 (80...Ra4 81.Rb1=) 81.Kd3 (81.Rd1 Ke4=) 81...e5 82.Rh1 (82.Rb1 Ra3 83.Ke2 Rh3=) 82...Ra3 83.Kd2 (83.Ke2 Kd4 84.Rc1 Ra2 85.Ke1 Kd3=) 83...Kd4 84.Rh8 (84.Rh6 Ra2 85.Ke1 Kd5=) 84...Ra2 85.Ke1 Ke3 (85...Ra1 86.Ke2=) 86.Rh3 Kf4 (86...Ke4 87.Rh4 Kd5 88.Rg4=) 87.Rb3 (87.Rh4 Kf5=) 87...e4 88.Rc3 Ke5 (88...Rb2 89.Ra3=) 89.Rb3 (89.Rc5 Kd4 90.Rb5 Rh2=) 89...Kd4 (89...Rc2 90.Rb5 Kf4 91.Rb3=) 90.Rh3 ½–½. Khademi,Mohammad Miran (2315) – Simonian,Hrair (2445), 25. Fajr Open, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    6.Bc4 Bf5 7.Nf3 Be4 d5 becomes the focus of attention (7...Nd5 8.Nd4 Be4=) 8.Bb5= Nbd7 9.d6 (better is 9.c4 a6 10.Bd7 Qd7 11.d3 Bf3 12.Qf3=) 9...e6 10.a3 a6 11.Bd7 Qd7 12.d3 Bd5 (12...Bf3 13.Qf3 Rc8 14.Bf6 gf6 15.ab4 (15.Qf6 Rg8 16.0-0 Bd6 17.ab4 Rc2-/+) 15...Bd6 16.0-0 (worse is 16.Qf6 Bb4 17.c3 Rg8-/+) 16...Bb4 17.Qf6+=) 13.ab4+= Bd6 14.c3 (14.0-0 Bb4 15.Ne5 Qd6+=) 14...0-0 15.0-0 b5 (15...Rfd8!?-/+) 16.Nbd2+= Qb7 17.Qe2 Bf4 (17...Rfd8 18.Rfb1+=) 18.g3= Bh6 (18...Bd6!?=) 19.c4+= bc4 20.dc4 Bc6 21.Rab1 (21.Rfd1!?+=) 21...Ne4= 22.Rfe1 (22.Nb3 Nc3 23.Bc3 Bf3=) 22...Nd2+= 23.Nd2 Qb4 24.Ne4 Qe7 (24...Rfb8 25.Qg4 f5 26.Nf6 Kh8 27.Qe2+=) 25.Ra1 (25.Bd4 Rfb8=) 25...Rfd8+= 26.Qh5 (better is 26.Bc3+=) 26...f5 (better is 26...Qb7 27.Qe5 Qb3 28.Nf6 Kh8-/+) 27.Nf6+/- Kh8 (27...gf6!? 28.Qh6 Qf8 29.Qf8 Rf8 30.Re6 Be4+=) 28.Qh6+- gh6 29.Nd5 Qg7 30.Bg7 Kg7 31.Re6 (better is 31.Nc7!? Kf7 32.Na8 Ra8 33.Ra5+-) 31...Bd5= 32.cd5 Attacking the isolated pawn on a6 32...a5 33.d6 Ra6 34.Re5 Exerts pressure on the isolated pawn 34...a4 35.Rd5 Kf6 36.Rd4 The isolani on a4 becomes a target 36...Rdd6 37.Rd6 Rd6 38.Ra4 Rd7 39.Ra6 Kg5 (39...Kg7 40.Kg2=) 40.h4+= Kg4 41.Kg2 f4 42.f3 Kf5 (42...Kh5 43.Ra5 Kg6 44.h5 Kf6 45.g4+=) 43.Ra5 (43.g4 Ke5+=) 43...Kg6+= 44.gf4 Rd6 45.Kg3 Kf6 (45...Rd1!?+=) 46.Kg4+/- Rb6 (46...Kg6 47.Re5 Kf6 48.Rb5+/-) 47.Ra7 Rb1 (47...Rb5 48.Rh7 Kg6 49.Re7+-) 48.Rh7 (48.Kh5 Rb4+-) 48...Kg6+/- 49.Rh8 Rg1 50.Kh3 Kh5 51.Re8 (51.Rd8!?+/-) 51...Rh1+= 52.Kg3 Rg1 53.Kh2 Rf1 54.Kg2 Rb1 (54...Rc1!?+=) 55.Re6+/- Rg1?? (better is 55...Rd1+/-) 56.Kh2 (56.Kg1 Kh4 57.Kf2 h5 58.Rh6 Kh3 59.Rh5) 56...Rb1 (56...Rf1 57.Kg3 Rg1 58.Kf2+=) 57.Kg2 Ra1 (57...Rg1 58.Kg1 Kh4 59.Kf2 Kh5 60.Rd6 Kh4 61.Rh6) 58.f5 (better is 58.Rd6!?+/-) 58...Kh4= 59.Rh6 Kg5 60.Rb6 Kf5 61.Rb5 Kf4 62.Rb4 Kf5 63.Kg3 Rg1 64.Kf2 Ra1 65.Rc4 Rb1 66.Ke3 Re1 67.Kf2 Ra1 68.Rc8 Rb1 69.Rf8 Ke5 70.f4 Ke4 71.f5 Kf4 72.Ke2 Ke4 73.Kd2 Rb3 ½–½. Faccia,Sergio (1995) – Zamengo,Fulvio (2235), Venezia ITA, 2014. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    6.Bc4 Bf5 7.Bf6 gf6 8.d3 Bg7 9.Nd2 0-0 10.a3 ba3 11.Ra3 Nd7 12.Ne2 Nb6 13.Ng3 Bg6 14.Qf3 Qd6 15.Ra2 Qe5 16.Qe3 Rfd8 17.Qe5 fe5 18.Ra5 f5 19.Bb3 Kf8 20.0-0 Bh6 21.Nf3+= e4 22.Nd4 Bf7 23.Ne6 Be6= 24.de6 ed3 25.Rf5 Kg8 26.cd3 Rd3 27.Bc2 Rd2 28.Bb1 a5? 29.Rf7+- Rf8? 30.Rh7 Bg7+/- 31.Rh4 Rfd8?? 32.Bh7+- Kf8 33.Rf4 Bf6 34.Rg4 Bg7 35.Nh5 (35.Nh5 R8d6 36.Rg7 Re6 37.Rg8 Kf7 38.Rg5+-) 1–0. Knudsen,JesW (2015) – Andersen,Ki (1910), Copenhagen Chess Challenge, Ballerup DE, 2009.

    6.Bc4 Bg4 7.f3 Bf5 8.a3 Nd5 9.Bd5 Qd5 10.ab4 e6 11.Nc3 Qc4 12.b5= Nd7 13.Ra4 Qc7 14.Nge2 Nb6 15.Ra1 Nc4 16.Bc1 Bd6 17.d3 Nb6 18.Be3 0-0 19.Kf2 Be5 20.Ra3 Rfd8 21.Qc1 Rac8 22.Ra7 Bc3 23.Nc3 Nd5 24.Nd5 ed5 25.Ra2 d4 26.Bd2 Qc5 27.Qb2 Be6=+ 28.Bb4 Qg5 29.Raa1 Qe3-/+ 30.Kg3 Qg5 31.Kf2= Qe3 32.Kg3 Rd5 33.h4 Qe5 34.Kf2 Rb5 35.Rhe1 Qh2 36.Re4?? Bh3 37.Rg1?? Rb4! (37...Rb4 38.Qb4 Rc2 39.Re2 Re2 40.Ke2 Qg1 41.gh3 Qe3 42.Kd1 Qd3 43.Kc1 Qf1 44.Kd2 Qf2 (44...Qh3?! 45.Qb7 h5 46.Qa8 Kh7 47.Qe4 g6 48.Kd3-+) 45.Kc1 d3-+) 0–1. Mariette,Christian (1990) – Poulenard,Raphael (2040), FRA–chT, 1989.

    6.Bc4 g6 7.Qf3 Bg7 8.h3 0-0 9.Ne2 Ba4 10.Qd3 Nbd7 11.a3 Nb6 The pressure on d5 grows 12.Ba2 Rc8 (worse is 12...Nfd5 13.Bg7 Kg7 14.ab4=) 13.c4 b3! 14.Bb3 Bb3 15.Qb3 Nc4 16.Bd4 Qd5 17.d3 Na5 18.Qd5 Nd5 19.Bg7 Kg7 20.Nd2 Rfd8 21.0-0 Rc2 22.Rfd1 Nc3 23.Nc3 Rc3 24.Nc4 Nc4 25.dc4 Rdd3 (better is 25...Ra3! 26.Kf1 Rd1 27.Rd1 Kf6-+) 26.Rd3-/+ Rd3 27.c5 Kf6 28.Rc1 Rd7 29.Rc4 Rc7 30.Ra4 a6 31.Rb4 Ke5 32.Rb6 Kd4 33.c6 bc6 34.Ra6 c5 35.Kf1 Kd3 36.Ra8 c4 37.Ke1 Kc2 38.a4 c3 39.a5 Rc6 40.f3 Re6 41.Kf2 Kd2 42.a6 c2 43.Rd8 Rd6 (43...Rd6 44.Rc8 Ra6-+) 0–1. Grafl,F (2390) – Vidarte Morales,A (2325), Catalan Team Ch, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Nf6)

    4.e5 Nc6

    5.d4 Qb6 6.Ne2 Bg4 7.h3 Bh5 8.g4 Bg6 9.Ng3 e6 10.Bg2 Be7 11.0-0 Bh4 12.Ne2 f6 13.c4? (13.Nf4 Kf7-/+) 13...bc3! 14.Bc3 (14.Nbc3 Qb2 Discovered attack; 14.Bc3 fe5 Combination; 14.Nec3 Qb4 Double attack (14...Qb2 Discovered attack; 14...Qd4 Deflection; 14...Qb4 Decoy)) 14...fe5 15.de5 Be7 16.Kh2 (16.Nd4 Nd4 (worse is 16...Ne5 17.Re1+/-) 17.Bd4 Qa6-/+) 16...Nh6 17.Nd4 (17.f4 Rc8-/+) 17...Nd4 18.Bd4 Bc5 19.Qa4 Ke7 20.Bc5 Qc5 21.Na3 Qc6 (21...b5 22.Qa5+=) 22.Qb4 Kf7 (22...Kd7 23.Rac1 Qb6 24.Nb5=) 23.Nb5 (23.Rfc1 Qd7 24.Nb5 Kg8+/-) 23...Rhf8 24.Rac1 Qb6 25.Rc7? (25.Qb3 Rad8 26.f4=) 25...Kg8-+ 26.Qc5 ½–½. Bishop,Peter (1810) – Mertens,David (1870), LUX–ch AB Differdingen, 2007. (=1.e4 c5 2.b4 cb4+= 3.Bb2 d5)

    5.d4 f5 6.Bd3 e6 7.Nd2 Nh6 8.Ndf3 Be7 9.Ne2 0-0 10.Bc1 (10.0-0 Qb6+=) 10...Nf7-/+ 11.h4 Bd7 12.Be3 Rc8 13.Kf1 Na5 14.Nf4 Nc4 15.Bc1 Rc6 16.g3 Qe8 (16...Nh6 17.Kg2-/+) 17.Kg2 Nh6 18.Ng5 Nf7 19.Nfh3 (19.Nf3 Qa8 20.Ng5+=) 19...Bd8 (19...Ng5 20.hg5 Qd8 21.Rb1-/+) 20.g4 (20.Nf7 Qf7 21.Rb1 a5-/+) 20...Ng5 (20...Nh6 21.Rb1-+) 21.hg5 g6 (better is 21...Bb6!? 22.gf5 Bd4-/+) 22.gf5+= ef5 (22...gf5!? 23.Ng1 Be7-/+) 23.Qf3= Be6 24.Nf4 Qf7 25.Qg3 Re8 26.Rh6 Rc7 27.Qh4 Bc8 (better is 27...a5!?=) 28.Be3+/- Ne3 29.fe3 Rc6 (29...b5!? 30.Rh1 Re6+/-) 30.Rh1+- Re7 31.e6! Rce6 (31...Be6 32.Rg6 Pinning) 32.Nd5 b5?? (32...Bd7 33.Nf6 Rf6 34.gf6 Bc6 35.Kf2 Bh1 36.fe7 Be7 37.Qh1 Bf8+-) 33.Nf6+- (33.Ne7 Re7 34.Rh3 Bb7 35.Kg1 a6+=; 33.Bb5?? Bb7 34.Bc4 Re3-+) 33...Rf6 34.gf6 Rc7?? (34...Rd7 35.Rh7! A) 35...Qh7?? 36.f7 Rf7 37.Qd8 Rf8 38.Qf8 (38.Rh7?! Rd8 39.Ra7 Bd7+=) 38...Kf8 39.Rh7+-; B) 35...Qf6 36.Rh8 Kf7+-) 35.Rh7!! Qd5 (35...Qh7 36.f7 Passed pawn) 36.Kf2 (36.e4 Rc2 37.Bc2 Bf6 38.Qf6 Qe4 39.Be4 fe4 40.Rg7) 36...Bf6 37.Qf6 1–0. Sarip,Roger (2220) – Pimentel,Joel (2265), Quezon City PHI, Open, 2014. (=1.e4 c5 2.b4 cb4 3.Bb2 d5)

    5.d4 Bf5 6.Ne2 e6 7.Ng3 Bg6 8.h4 h6 (8...h5 9.Be2-/+) 9.Nd2 (9.h5 Bh7+=) 9...Rc8 10.Nb3 Qb6 11.Bd3 (11.h5 Bh7 12.Bd3 Bd3 13.Qd3 a5+=) 11...Bd3-/+ 12.Qd3 a5 13.Nd2 a4 14.Rc1 Na5 15.0-0 Nc4 16.Ba1 h5 (16...Ne7 17.Nc4 dc4 18.Qf3-/+) 17.Kh1 (17.Nc4 Rc4 18.c3 Qc6-/+) 17...g6 (17...Ne7 18.c3-/+) 18.Rb1 (18.Nc4!? Rc4 19.c3-/+) 18...Nd2-+ 19.Qd2 Qd8 20.Qe2 (20.c3 Qh4 21.Kg1 Qg4-+) 20...Qh4 21.Kg1 Qe7 22.a3? (better is 22.Qd3-+) 22...h4 23.Nh1 Qc7 (23...ba3!? 24.Qb5 Qd7 25.Qb7 Qb7 26.Rb7-+) 24.ab4 Qc4 (24...Qc2!? 25.Qe3 Ne7 26.Qa3-+) 25.Qc4 Rc4 26.c3 Bh6 27.Rfd1 Ne7 28.Rd3 Kd7 29.b5 (29.Bb2 Kc6-+) 29...Ra8 (29...a3 30.Rb3 Ra4 31.Rf3-+) 30.Kf1 (30.Rf3 Ke8-+) 30...Nf5 (30...a3 31.Rf3 a2 32.Re1-+) 31.Ke2 (31.g4 Ne7-+) 31...Ra5 (31...a3 32.g4 Ne7 33.Rf3-+) 32.Rf3 (32.Rh3 Bg5 33.g3 a3 34.gh4 Nh4-+) 32...Ke8 (32...Bf8!? 33.Rh3 Be7 34.g4-+) 33.Rh3 g5 34.g4 Ne7 35.Rh2 (35.Ng3 a3 36.Nh5 Ng6-+) 35...Ng6 (35...a3 36.Rb3-+) 36.f3 Kd7 37.Ke3 (37.Nf2 a3-+) 37...Kc7 38.b6 (38.Nf2 Kb6-+) 38...Kc6 39.Ra2 Bf8 40.Kd2 (40.Nf2 Rb5 41.Rf1 Rb3-+) 40...a3 41.Nf2 Rb5 42.Rc1 Kb6 43.Nd1 Ka6 44.Ne3 Rc8 (44...Rc6 45.Nd1 Ka7 46.Nf2-+) 45.c4 dc4 46.Nc4 (46.Rc4 Rd8 47.Bc3 Ne5 48.Ra4 Kb6-+) 46...Rb3 47.Nd6 (47.Bb2 Bb4 48.Kd1 h3 49.Ba3 Ba3-+) 47...Rc1 48.Kc1 Rf3 49.Bb2 (49.Kd1 Nf4 50.Kc2 Rf2 51.Kb3 Ra2 52.Ka2 h3-+) 49...Rf1 (better is 49...h3 50.Kc2 h2 51.Ra1 Rf2 52.Kc3 Rb2 53.Ra3 Kb6 54.Nc4 Kc6 55.Ra1-+) 50.Kc2 Rf2 51.Kc3 (51.Kc1 Bd6 52.ed6-+) 51...Bd6 (51...Rb2?! 52.Ra3 Kb6 53.Kb2 Bd6 54.Rb3 Kc7 55.ed6 Kd6 56.Rb7-/+) 52.ed6 Kb6 (52...Rb2 53.d7 (worse is 53.Ra3 Kb6 54.Kb2 Kc6-/+) 53...Ra2 54.d8Q=) 53.Ra3 Rf3 54.Kc4 (54.Kd2 Ra3 55.Ba3-+) 54...Ra3 55.Ba3 Kc6 0–1. Sarip,Roger (2220) – San Diego,Marie Antoinette (2060), Quezon City PHI, Open, 2014. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.e5 Nc6)

    5.d4 Nh6 6.a3 e6 7.Bd3 Qb6 8.Nf3 Bd7 9.0-0 Be7 10.ab4 Nb4 11.Ba3 Rc8 12.c3 (12.Qd2!?+=) 12...Nd3-/+ 13.Be7 Ke7 14.Qd3 Bb5 15.Qe3?? (better is 15.c4 Bc4 16.Qa3 Ke8 17.Rc1-/+) 15...Bf1-+ 16.Qg5 (16.Kf1 Qb2 17.Ra7 Qb1 18.Qe1 Qe1 19.Ke1 Rc7-+) 16...Kf8 17.Kf1 Qb2 18.Ra7 Qb1 19.Ne1 Qb5 20.Kg1 Qe2 21.Qc1 0–1. Jenssen,Steinar – Indregard,Stein, Tromsoesjakken op, 1981. (=1.e4 c5 2.b4 cb4 3.Bb2 d5)

    5.Nf3 Bg4 6.Be2 e6 7.0-0 Nh6 8.h3 Bf3 9.Bf3 Rc8 10.a3 Qb6 11.ab4 Nb4 12.Nc3 a6 13.Rb1 Qc7 14.Ba3 Nc6 15.Bf8 Rf8 16.Nd5 ed5-+ 17.Bd5 Kd8 18.d4-/+ Nf5 19.Be4 g6 20.Qd3 Qd7 21.Rfd1 Re8 22.f4 b5 23.d5 Ne5 24.fe5 Re5 25.d6 Qa7 26.Kh2 Rc4 27.Bf5=+ Rf5 28.d7 Re5?? 29.Qd6+- Qc7 30.Qf6 Re7 31.Kh1 Qe5 32.Qb6?? Qc7+= 33.Qa6 Rd7 34.Qf6 Kc8 35.Re1 Rc2 36.Rb5 Rc1?? 37.Qa6 Kd8 38.Qa8 Qc8 39.Qa5 Qc7 40.Rb8 1–0. Cierny,Lubomir (2015) – Lasch,Miroslav, SVK–ch Martin (8), 1996.

    3.Bb2 d6

    4.a3 b3 5.cb3= Nf6 (5...e6 6.Qg4 h5 7.Qg3=) 6.Nc3 (6.Bf6 ef6 7.Bb5 Bd7+=) 6...e6 7.d4 (7.b4 Bd7=) 7...Be7 (7...d5 8.Bb5 Nc6 9.ed5 ed5 10.h4=) 8.Bd3 (8.d5 ed5 9.Nd5 Nd5 10.Bb5 Nd7 11.Qd5 0-0 12.Bd7 Bd7=) 8...Nc6 9.Nf3 0-0 (9...d5 10.e5 Nd7 11.h3=) 10.0-0 (10.b4 h6=) 10...e5 11.d5 Nb8 12.h3 Nbd7 13.Nh2 (13.Be2 Nc5 14.Qc2 Qc7+=) 13...Nc5 14.Bc2 (14.b4 Ncd7+=) 14...b6 (14...a5 15.f4=) 15.b4+= Ncd7 16.f4 (16.Qe2!?+=) 16...ef4 17.Rf4 Ne5 18.Qe2 a5 19.Rc1 (19.Nd1 Qe8=) 19...ab4 20.ab4 Nfd7 (20...Ba6 21.b5 Bb7 22.Nb1=) 21.Rff1 b5 22.Bb3 Nb6 23.Nb5+/- Ba6 24.Ra1 Nbd7= 25.Kh1 Qb6 26.Ra5 Rfb8 27.Ba4 Bd8 28.Ng4= Qb7 29.Qf2 Ba5 30.Nd6? Qa7?? 31.Nh6!+- Decoy: g4 31...gh6 32.Qg3 Ng6 33.Rf7 Qc7 34.Rg7 Kf8 1–0. Schulz,Hans Juergen (2100) – Hansen,Marc (1635), Hamburg HSK Elo op 3rd, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    4.d4 Nc6 5.Nf3 Bg4 6.d5 Nb8 7.h3 Bf3 8.Qf3 Nd7 9.Nd2 Ngf6 10.g4 Nc5 11.g5 Nfd7 12.Qg3 Qc7 13.f4 e6 14.de6 fe6 15.g6 0-0-0 16.Be2 (16.a3 Qb6=) 16...Na4 17.Bd4 e5 18.Ba7 Qc3 19.Qc3 bc3 20.Nc4 ef4 21.Rb1 (21.0-0 Re8 22.Rad1 Re4-/+) 21...d5 (21...Re8!? 22.Rb4 Nac5 23.Bc5 dc5-+ (worse is 23...Nc5 24.Nb6 Kd8 25.0-0-/+)) 22.ed5+= Re8 23.Kf2 h5 (23...Nf6 24.Bf3 Ne4 25.Kg2 hg6 26.Rhd1+=) 24.Rb5 (24.Bd4 Nac5 25.Kf3 h4+-) 24...Nb2? (better is 24...b6 25.d6 Re6+=) 25.Nb2+- cb2 26.Rb1 (26.Bd4!?+-) 26...b6+/- 27.a4 (27.R5b2 Bc5 28.Kf1+=) 27...Bc5+= 28.Kf1 f3 29.Bd3 Rhf8 (better is 29...Re5+=) 30.a5+/- (worse is 30.R5b2 Re5 31.a5 Rg5+= (31...ba5?? 32.Bc5 Rf6 33.Bd4 Rd5 34.Bf6 Nf6 35.Rb8 Kd7 36.R1b7 Ke6 37.Bc4+-); 30.R1b2?! Re5=) 30...Ne5?? (better is 30...Bd4 31.Bb6 Nb6 32.ab6 Kb7 33.R5b2 Bb2 34.Rb2 f2=) 31.ab6+- (31.R1b2?! Bd4 32.Rb1 Nd3 33.cd3 Re2 34.Bb6 Rf2 35.Kg1 Rg2 36.Kh1 Be5 37.Rc1 Kd7+/-) 31...Nd3 32.b7 Kc7 33.Bc5 Nc5 34.Rc5 (34.Rc5 Kb8 35.Rb2+-) 1–0. Krivanek,Vladimir (2120) – Vecerka,Pavel (2080), Czechia KP–chTA, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    4.d4 Nd7 5.Bc4 g6 6.Qf3 e6 7.d5 e5 8.a3 Bg7 (8...ba3!? 9.Na3 a6+=) 9.ab4+= Ne7 10.h4 (10.Nd2 0-0=) 10...h6 (10...f5 11.ef5 0-0 12.Qb3 Nf5 13.h5=) 11.g4 (11.Nd2 Qb6=) 11...0-0 12.Bd3 (12.Ne2 f5 13.gf5 gf5=) 12...Kh7 (12...Nd5!? 13.ed5 e4 14.Be4 Bb2-/+) 13.Qg2 White prepares the advance g5 13...Ng8 (13...a5 14.Ra4=) 14.Ne2 Ndf6 (14...Qb6 15.Bc3+=) 15.f3 h5 16.g5 Nd7 17.f4 (17.Qf2 b6+=) 17...ef4 18.Bg7 Kg7 19.Nf4 Qb6 20.Qd2 Ne5 21.Rf1 Bg4 22.Be2 Rfe8 23.Na3 Rac8 24.0-0-0 Be2-/+ 25.Ne2 Nc4 26.Qc3= Ne5 27.Qd2 Nc4 28.Qc3= Ne5 29.Qb3 Qa6 30.b5= Qb6 31.Rd4 a6 32.Kb2 ab5+= 33.Qb5 Nc4?? 34.Rc4+- Qb5 35.Nb5 Rc4 36.Nd6 Ree4 37.Rf7 Kh8 38.Nc4 Rc4 39.d6 Rc8 40.Nf4 (40.Nf4 Ne7 41.d7+-) 1–0. Knudsen,Jes West (2005) – Nielsen,Michael Backman, Holdenturnier div3 G2, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    4.Qf3 e5 5.Qb3 Nc6 6.a3 ba3 7.Ba3 Nf6 8.Bb5 Bd7 9.Nc3 Be7 10.Nd5 0-0 11.Ne7 Qe7 12.Bc6 Bc6 13.Qd3?? Rad8 14.Qe3? Be4-+ 15.Nf3 Bc2 16.Rc1 Ba4 17.0-0 b5 18.d4 Qb7 19.de5 Ng4 20.Qf4? Ne5-+ 21.Ne5 de5 22.Qe5 Rfe8 23.Qg5 Qd5 24.Qg3 Qd3 25.Qd3 Rd3 26.Rc7?? Ra3 27.Ra7 h6 28.g3 Rd8 29.Kg2 Rc3 30.Ra1 Rc2 31.R1a4 ba4 32.Ra4 Rdd2 33.Rf4 g5 34.Rf3 h5 35.h3 Kg7 36.h4 g4 37.Rf5 Kg6 38.Rf4 f5 39.Kf1 Rc1 40.Kg2-+ Rdd1 (40...Rdd1 41.Rg4 fg4 42.Kh2 Rh1 43.Kg2 Rcg1) 0–1. islanderfan (1870) – wmalone (2095), net–chess.com, 2008.

    4.Nf3 e6 5.a3 ba3 6.Na3 Nf6 7.Bd3 Nc6 8.0-0 Be7 9.e5 de5 10.Ne5 0-0 11.Nc6 bc6 12.Re1 a5 13.Nc4 Bb7 14.Re3 c5 15.Bf6+/- Bf6 16.Bh7! Kh7 17.Qh5 Kg8 18.Rh3 Bh4 19.Rh4 f6 20.Qh7 Kf7 21.Rg4 Rg8 22.Qh5 g6 23.Qc5 Ra6 24.Qb5 Qd5+/- 25.Qd5 ed5 26.Na5 Bc6 27.Nb3 Ra1+= 28.Na1 Ra8 29.Nb3 Ra2 30.h4 Rc2 31.Kh2 Rb2= 32.Rb4 d4 33.Rc4 Rb3 34.Rc6 Rb2 35.Kg1 Rd2-/+ 36.Kf1 d3 37.g4 Ke7 38.Rc3 Ke6 39.Ke1 Re2 40.Kf1 Rd2 41.Ke1 Re2 42.Kf1 Re4 43.Rd3 Rg4 44.Rh3 Kf7 45.f3 Ra4 46.Kf2 Kg7 47.Kg3 Kh6=+ 48.Rh1 Kh5 49.Rb1 Rh4-/+ 50.f4 f5 51.Ra1 g5-/+ 52.fg5 Kg5 53.Ra3 Rh1 54.Rb3 Rg1 55.Kf2 Rc1 56.Kg3 Rc2 57.Ra3 Rc4 58.Rb3 Rg4 59.Kf3 Rh4 60.Kg3 f4 61.Kg2 Kg4 62.Ra3 Rh5 63.Rb3 Re5 64.Kf2 Ra5 65.Kg2 Ra2 66.Kf1 Rh2 67.Kg1 Re2 68.Kf1 f3 69.Rb8 Re5?? 70.Kf2= Re2 71.Kf1 Kg3?? 72.Rg8= Kf4 73.Rf8 Ke3 74.Re8 Kd2 75.Rd8 Kc1 76.Rd7 Rd2 77.Rd2 Kd2 78.Kf2 Kd3 79.Kf3 ½–½. Thannheiser,Thomas – Breier,Andreas (2215), BL2–N9495 Germany, 1995.

    4.f4? Nc6 5.Nf3 (5.a3 ba3 6.Ba3 e6+=) 5...e6 (5...e5 6.d4 ef4 7.d5-+) 6.d4 (6.a3 ba3 7.Ra3 e5 8.fe5 de5-/+) 6...d5 7.e5 Nge7 (7...Qa5 8.Qd2-/+) 8.Bd3 (8.a3 Ng6 9.ab4 Nb4-/+) 8...g6 (8...a6 9.0-0-/+) 9.Nbd2 (9.a3 Qd7-/+) 9...Nf5 (9...a5 10.c4-/+) 10.Qe2 (10.Bf5 gf5 11.c4 dc4 12.Nc4 Qd7+=) 10...Be7 (10...Nh4-/+) 11.g4? (better is 11.Bf5!? might be a viable alternative 11...gf5 12.c4+=) 11...Nh4 (11...Ng7 12.Nf1-/+) 12.0-0 (12.Ng1 a6-+) 12...Nf3 (12...Qb6 13.Qf2 Nf3 14.Nf3-+) 13.Nf3 (13.Rf3 Bd7-+) 13...h5 14.h3 (14.g5 Bd7-+) 14...a6 (14...Bd7 15.Qg2 hg4 16.hg4-+) 15.c4 (15.g5 Bd7-+) 15...bc3! 16.Bc3 (16.Bc3 hg4 17.hg4 Nb4) 16...b5 (16...Bd7 17.g5-/+) 17.Rac1 (17.g5 Ba3-+) 17...hg4 18.hg4 Na5 (18...b4 19.Be1 Bb7 20.f5 gf5 21.gf5-/+) 19.Ba5 (19.Kf2 Nc4-/+) 19...Qa5 20.Ng5 (20.Kg2 Bb7-/+) 20...Bg5 (20...Qb6!? 21.Qe3 Rh6-/+) 21.fg5 Qd8 22.Rf6 Rh4 23.Qf3+/- Qe7 24.Rf1 Ra7? 25.Bg6+- Qb4? 26.Bf7 Rf7 27.Rf7 Qd4 28.Kg2 Qg4 29.Qg4 Rg4 30.Kh3 sRg5 31.Rf8 Kd7 32.R1f7 Kc6 33.Rc8 Kb6 34.Ra8 Re5 35.Rfa7 Re3+/- 36.Kg4 Ra3 37.Re7 Ra2 38.Re6 Kc5 39.Raa6 Ra6 40.Ra6 b4 41.Ra8 b3 42.Kf3 Kd4 43.Ke2 Kc3 44.Rc8 Kb2 45.Kd2 Kb1 46.Rd8 b2 47.Rd5 (47.Rd5 Ka2 48.Ra5 Kb3 49.Rb5 Kc4 50.Rb2 Kd4 51.Rb1 Ke4 52.Rb5 Kd4 53.Ra5 Ke4 54.Kc3 Kf3 55.Kd4 Kf4 56.Kd3 Kg3 57.Ke3 Kg4 58.Re5 Kg3 59.Rg5 Kh4 60.Kf4 Kh3 61.Kf3 Kh2 62.Rf5 Kg1 63.Kg3 Kh1 64.Rf1) 1–0. Chladek,Vlastimil – Berisha,Fadil, MOR–chT2S, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    4.f4? e5 5.Qf3 Qc7 6.c3 -/+.

    4.Bc4 e6

    5.Qe2 Be7?? 6.a3 Nf6 7.d3 0-0 8.ab4=+ d5 9.Bb3 a6 10.e5 Nfd7 11.Nf3 Bb4-/+ 12.Nbd2 Nc6 13.0-0 Qc7 14.d4 f6 15.c3 Be7 16.Bc2? fe5-+ 17.Ne5 Nde5 18.de5 Qe5 19.Qe5 Ne5 20.Rae1 Ng4 21.c4 Bc5 22.Re2 Bd7 23.h3 Nf6 24.Kh1 Rae8 25.f3 Nh5 26.Kh2 Bd6 27.Be5 Be5 28.Re5 Nf6 29.cd5 ed5 30.Rfe1 Re5 31.Re5 Bc6 32.Nf1 Re8 33.Re8 Ne8 34.Nd2 Nd6 35.Bb3 Kf8 36.Bc2 g6 37.Kg3 Nc4 38.Nb1 d4 39.Kf2 Bb5 40.Be4 b6 41.Ke1 Ke7 42.Nd2 Ne3 43.f4 a5 44.g3 a4 45.Nb1 Nc4 46.Bd3 Kd6 47.f5 gf5 48.Bf5 h6 49.g4 Ke5 50.Bc8 a3 (50...a3 51.Na3 Na3-+) 0–1. Klawitter,Bernd (1860) – Gottwald,Bernhard (1925), remoteschach.de, 2010.

    5.Nf3 Nc6 6.0-0 Nf6 7.d4 d5 8.ed5 Nd5 9.a3 a6 10.ab4 Bb4 11.Bd3 0-0 12.c4 Nf4 13.Be4 f5 14.Bc2 Bd6 15.Nc3 Qe8 16.g3 Nh3 17.Kg2 Qh5 18.c5 Be7 19.d5 Nb4 20.Bb3 Nd5?? 21.Nd5+/- ed5 22.Qd5 Kh8 23.Ne5 Ng5= 24.h4 f4 25.hg5 Bh3 26.Kg1 Bf1 27.Rf1 f3?? 28.g4 Qe8 29.g6 Rf6?? 30.g5 Rf5 1–0. Schlenker,Rainer – Fink,Martin, Badenweiler op (9), 1985.

    4.Bc4 Nf6

    5.a3 Ne4 6.Bf7 Kf7 7.Qh5 Kg8 8.Qd5 e6 9.Qe4 ba3 10.Na3 Be7 (10...Qb6 11.Nc4 Qc6 12.Qc6 Nc6 13.Nf3-/+) 11.Ne2 Bf6 12.d4 (12.Bf6 Qf6 13.d4 Nc6=) 12...Kf7 13.0-0 g6 14.Rfe1 Re8 15.Nf4 Nc6 16.Nb5 a6 (better is 16...Qe7=) 17.d5?? (better is 17.Nd5 Rf8 18.Nf6 Qf6 19.Nd6 Kg8 20.Qe3+/-) 17...Bb2-+ 18.de6?? (better is 18.dc6 Ba1 19.cb7 Bb7 20.Qb7 Re7 21.Nd6 Qd6 22.Qa8-+) 18...Kg8 19.Qd5 (19.Ra4 Be5 20.Qf3-+) 19...Qf6 (better is 19...Ne7 20.Qb3 Ba1 (20...ab5?! 21.Ra8 Be5 22.Nd3+=) 21.Ra1 Qb6-+ (21...ab5?! 22.Ra8 Rf8 23.g3-+)) 20.Nd6 Ba1 (20...Re7 21.Rab1 Be5 22.Nc8 Rc8-+ (22...Bf4?! 23.Ne7 Qe7 24.Qd7=)) 21.Ne8 Qf4 22.e7 Qf7?? (better is 22...Kh8 23.Qd8 Nd8 24.ed8Q Qf8 25.Ra1 Kg8+/-) 23.Nf6 (better is 23.Qf7 Kf7 24.Nd6 Kg7 25.e8Q+-) 23...Bf6 (23...Kg7 24.Nh5!! gh5 25.Qf7 Kf7 26.e8Q Kg7 27.Ra1 h4+-) 24.e8Q (24.e8Q Kg7 25.Qef7 Kh6 26.Qf8 Bg7 27.Qf4 g5 28.Qdg5) 1–0. Gibson,Kris – Xia,Yanchong, Manitoba act–ch rapid, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.Qe2 Nc6 =.

    5.Qf3 Qc7 6.Qe2+=.

    5.Qf3 e6 6.d3 (6.a3 Qa5=) 6...Nbd7 7.Qg3 (7.Qe2 Rb8-/+) 7...Qc7 (7...d5 8.Bb3-/+) 8.a3 (better is 8.Nd2!?+=) 8...Ne4!-/+ Deflection: c4 9.Qe3 (9.de4 Qc6 (9...Qc4)) 9...d5-+ 10.Bb3 (better is 10.ab4 Bb4 11.c3-+) 10...Nef6 (10...Bc5 11.d4 ba3 12.Ba3 Ba3 13.Ra3-+) 11.ab4 (11.Nf3!?-/+) 11...Bb4 12.Nd2 (12.c3 Be7-/+) 12...Bc5 (12...0-0 13.Ne2 a5 14.c3-+) 13.Qg3 (better is 13.Qe2-/+) 13...0-0?? (13...Qg3 14.hg3 0-0 15.Ne2-/+) 14.Ngf3 (14.Qc7 e5 15.Qa5 h6+-) 14...h6?? (14...Qg3 15.hg3 a5 16.Bc3-/+) 15.Qh4 (better is 15.Qc7 Ne8 16.Qa5+-) 15...Re8 (15...b5 16.0-0-+) 16.0-0 (16.c4 dc4 17.Bc4 Qb8-/+) 16...Be7 (16...b5 17.Rfd1-+) 17.Qh3 (17.c4 a6-/+) 17...Nc5 (better is 17...b5!?-+) 18.Be5-/+ Qd8 19.Rfb1 (19.Qg3 a5-/+) 19...Ncd7 (19...Nfd7 20.Bc3-/+) 20.d4 (20.Ba4 Ne5! 21.Ne5 Bd6-/+) 20...Ne5 21.Ne5 Ne4 22.Ne4+= de4 23.c3 Bd6 24.f4 ef3! 25.Qf3 Qf6 26.Qe2 Be5 27.de5 Qe7 28.Qe3 Qc7 29.Bc2 g6 30.Qh6 Qe5 31.Bg6= Qg7 32.Bf7 Kf7 33.Qh5 Qg6?? 34.Rf1+- Kg7 35.Qe5 Kg8 36.Rf3 Bd7 37.Rg3 Qg3 38.Qg3 Kf7 39.Qg5 Rf8 40.Rf1 Ke8 41.Qg6 Ke7 1–0. Schneider,Georg (2105) – Jaeger,Erich (1930), EU–chT Seniors, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    4.d4 e6

    5.Bd3 Nf6 6.d5 e5 (6...Na6!?-/+) 7.Nd2 (7.a3 Na6=+) 7...Nbd7 8.Nb3 (8.Ngf3 Be7=+) 8...Qc7 (8...Nb6 9.Ne2-/+) 9.Ne2 Be7 10.Ng3 (10.c3 Nc5 11.cb4 Nd3 (worse 11...Nce4 12.f3+=) 12.Qd3 0-0=+) 10...Nb6-/+ 11.Bb5 (11.a3 ba3 12.Ra3 Bd7-/+) 11...Kf8 12.0-0 h5 (better 12...a6 13.Bd3 h5-/+) 13.Bd3? (better 13.f4-/+) 13...Na4-+ 14.Rb1 (14.Qb1 h4 15.Ne2-+) 14...Nc3 (better 14...h4 15.Ne2 h3-+) 15.Bc3-/+ bc3 16.f4 (16.h3 Bd7-/+) 16...Ng4 (16...h4 17.Ne2-+) 17.Qf3 (17.fe5!? h4 18.Nf5 Bf5 19.Rf5 Ne5-/+) 17...ef4 18.Qf4 (18.Ne2 g5-+) 18...Bf6 19.h3 Be5 20.Qf3 h4 21.Ne2 Nh2 22.Qf2 Nf1 23.Rf1 Kg8 24.Ned4 Qe7 (24...Rh6 25.a4-+) 25.Qe1 (25.Nf3 Bg3 26.Qd4 Qc7-+) 25...Qg5 (25...Rh6 26.Nf3-+) 26.Rf3 (better 26.Nf3 Qg3 27.Ne5 Qe5 28.Qf2-+) 26...Rh6 27.Nf5 (27.Qc3 Rg6 28.Bf1 Qd8-+) 27...Bf5 28.Rf5 Qe7 29.Na5 Re8 30.Qb1 (30.Qf2 a6-+) 30...Bd4 31.Kh1 Rf6 32.Rh5 (32.Qf1-+) 32...Rf4 33.Qc1 (33.Nb3 Bb6 34.Nc1 g6-+) 33...Be5 (better 33...Re4 34.Be4 Qe4 35.Qf1-+) 34.Rf5 (34.Nc4 g6 35.Re5 de5 36.Qe1-+) 34...Rf5 35.ef5 (35.Qg1 Rf4 36.Nb3 Qg5-+) 35...Bd4 36.Qf4 Qe1 37.Bf1 Bf2 38.Qc4 Re4 39.Qd3 Rd4 (39...Qb1 40.Nc4 Re1 41.g4 Rf1 42.Kg2 Rg1 43.Kf2 Qe1 44.Kf3 Rg3 45.Kf4 Rd3 46.cd3 Qg3 47.Ke4 c2 48.g5 c1Q 49.Nd2 Qd2 50.a3 Qgd3) 40.Qe2 Rd1 (40...Rd1 41.Qe1 Re1-+) 0–1. Czernek,Tymon (1845) – Uzumcu,Ahmet Utku (2045), European Youth Chess Championship U12, 2016. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.Nf3 Be7 6.Bd3 Nf6 7.c4 bc3 8.Nc3 Nc6 9.Rc1 a6 10.Bb1 Bd7 11.0-0 Rc8 12.e5 Nd5 13.Ne4 de5 14.de5 Rc7 (better is 14...0-0!?+=) 15.Nd6+= Kf8 16.Ba3 (16.Be4 Kg8+=) 16...Kg8 (16...Bc8+=) 17.Rc4 (17.Be4 b5+=) 17...Qf8 (17...Ne5 18.Ne5 Bd6 19.Bd6 Rc4 20.Nc4+/-) 18.Qe2 (18.Be4=) 18...Ne5?? (better is 18...b5 19.Rc2 f6+=) 19.Ne5+/- Rc4? (19...Bd6!? 20.Rc7 Nc7 21.Nd7 Bh2 22.Kh2 Qa3+-) 20.Ndc4 (20.Nd7!? Qd8 21.Nf7 Qd7+-) 20...Bb5 21.Be7 Qe7 22.Rc1 Qg5 23.Qd2 Nf4 (23...Qd2 24.Nd2 Kf8 25.Rc8 Be8+-) 24.g3?? (better is 24.Ne3 g6 25.Rc8 Kg7 26.Rh8 Nh3 27.Kh1 Qe5 28.Rc8+- (28.gh3?! Kh8 29.Qd8 Kg7=)) 24...Nh3?? (better is 24...Ne2! 25.Qe2 Qc1 26.Qf1 Qf1 27.Kf1 f6-+) 25.Kg2+- f6 (25...g6 26.Kh3 Qh5 27.Kg2 Bc4 28.Nc4 Qd5 29.Qd5 ed5 30.Nd6+-) 26.Kh3 (26.Qd8 Be8 27.Qe8) 26...Qh5+- 27.Kg2 g6 (27...fe5 28.Ne5! Qe5 29.Qd8 Kf7 30.Rc7 Qc7 31.Qc7 Kf6+-) 28.Qd8 Kg7 (28...Be8 29.Qe8 Kg7 30.Qe7 Kh6 31.Nf7 Kg7 32.Nh8 Kh6 33.Qf8 Kg5 34.Nf7 Kg4 35.Ne3) 29.Qe7 (29.Qe7 Kh6 30.Nf7 Kg7 31.Nh8 Kh6 32.Qf8 Kg5 33.Nf7 Kg4 34.Ne3) 1–0. Suchsland,Helmut (1785) – Kummer,Heinz (2050), Wch Seniors, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.Nf3 Nf6 6.Bd3 Be7 7.0-0 0-0 8.c4 bc3 9.Nc3 Bd7 10.Qe2 Nc6 11.e5 Ne8 12.ed6 Bd6 13.Ne4 Be7 14.Rad1 Nb4 15.Bb1 Nd5 16.Ne5 Ba4 17.Rc1 a6 18.Qf3 f6 19.Nd3 b6 20.Rfe1 f5 21.Nc3 Nc3 22.Rc3 Nc7 23.Nf4 Bd7 24.Rce3 Bb4 25.Rc1 (better is 25.R1e2!?+=) 25...Bd2-/+ 26.Rc7 Qc7 27.Ne6 Be6 28.Re6 Rac8 29.g3 Bc1 30.Qd5?? (30.Qb3!? Bb2 31.Rb6 Kh8 32.Qb2-/+) 30...Kh8 (30...Qf7 31.Ba1 Ba3 32.Bd3 Rc1 33.Kg2 Ra1 34.Ba6-+) 31.Bf5?? (better is 31.Ba1-/+) 31...Bb2-+ 32.Bh7 Qf7 33.f4 Bd4! 34.Kg2 Kh7 35.Qe4 Kg8 36.Re7 Qa2 37.Kf3 Bf6 38.Rd7 Qb3 39.Kg2 Qc2 (39...Qc2 40.Qc2 Rc2 41.Kf3 Rh2-+) 0–1. Suchsland,Helmut (1785) – Jahr,Dieter (2045), Wch Seniors, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.Nf3 Nf6 6.Bd3 Be7 7.0-0 0-0 8.c4 bc3 9.Nc3 Nbd7 10.e5 de5 11.de5 Nd5 12.Nd5 ed5 13.Rc1 Nc5 14.Rc5 Bc5-/+ 15.Qc2 Be7 16.Bh7 Kh8 17.Bd3 Be6 18.Nd4 Qd7 19.Re1 Rac8 20.Qb1 Bg5 21.h4? Bh4-+ 22.g3 Be7 23.Bb5 Qd8 24.f4? Bg4 25.Kg2 f5 26.Rh1 Kg8-+ 27.Rh2 g6 28.Be2? Be2-+ 29.Ne2 d4! 30.Nd4 Bc5 31.Qh1 Kf7 (31...Bd4 32.Rh8 Kf7 33.Rf8 Kf8 34.Qh8 Kf7 35.Qh7 Ke6 36.Qg6 Kd5 37.Qf7 Kc5 38.Qb7 Bb2 39.Qb2 Qd5 40.Kf2 Qd4 41.Qd4 Kd4 42.Kf1-+) ½–½. Bravo Lutz,Sebastian (1875) – Wilke,Matthias (1685), GER–ch U16 Oberhof, 1999.

    4.d4 Nf6

    5.Bb5 Bd7 6.Qe2 Qa5 7.Bd7 Nfd7 8.Nd2 Qc7 9.Ngf3 Qc2?? 10.Rb1 d5?? 11.0-0 de4?? 12.Ne5 Ne5-+ 13.de5 Nd7 14.e6 fe6 15.Qh5=+ g6 16.Qg5 Rg8 17.Nb3 Qc6 18.Rfd1 Rd8 19.Rbc1 Qa4 20.Nc5 Nc5 21.Rd8= Kd8 22.Qc5 Ke8 ½–½. Krug,Rudi – Walther,Karl Heinz, Bahn–chV Borkum (2), 1996.

    5.Nd2 Qc7 6.Ngf3 Bg4 7.Bd3 e6 8.a3 Be7 9.ab4 0-0 10.b5 Nbd7 11.0-0 e5 12.c3 Rfe8 13.h3 Bf3 14.Qf3 (worse is 14.Nf3 d5 15.Ne5 Ne5 16.de5 Qe5 (worse is 16...Ne4 17.c4+-) 17.ed5 Rad8= (worse is 17...Nd5 18.Re1 Qc7 19.Bh7 Kh7 20.Qd5+/-); worse is 14.gf3 Nh5 15.Re1 Nf4+=) 14...Bf8 15.Ra3 Qb6 16.Qe2 d5 17.f3?? (better is 17.Ra4=) 17...Ba3 18.Ba3 ed4 19.cd4 Qd4 20.Kh2 Ne5 21.Bb1 Ng6 22.g3 Rad8 23.Rc1 de4 24.Nb3 0–1. Quintana,Ramon – Roca Giron,Eyfi D, GUA–ch Mayor, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    5.Bd3 Nc6 6.Nf3 Bg4 (6...d5 7.Nbd2=) 7.d5 White wins space 7...Bf3 8.Qf3 Ne5 9.Bb5 Nfd7 Black's piece can't move: f8 10.Qf5 (10.Qb3!?= is worth looking at) 10...a6+= Black threatens to win material: a6xb5 11.Be5 White has a king attack 11...ab5 White has a new backward pawn: a2 12.Bd4 Qc7 Black threatens to win material: Qc7xc2 13.0-0 Qc2 14.Qf4 Qd3 15.Bb2 ½–½. Sellberg,Joel – Nieminen,Iiro Matti, FIN–chT1, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    5.Bd3 Nc6 6.f4 e5 7.d5= Nd4 8.Bd4 ed4 9.Nf3 Bg4 10.0-0 Qb6 11.Nbd2 Be7 12.Kh1 0-0 13.Qe1 Rfe8 14.Qf2 Bf3 15.Qf3 Nd7 16.Nb3 Rac8 17.Rae1 Bf6 18.g4 h6=+ 19.Re2 Rc3 20.h4 g6 21.g5= Bg7 22.e5 de5-+ 23.fe5 Ne5 24.Re5 Re5 25.Qf7 Kh7 26.Rf6+- Rd3 27.Rb6?? Rd1=+ 28.Kg2 ab6 29.gh6 Kh6 30.Qf4 Kh7 31.d6?? Re2-+ 32.Kh3 Rh1 33.Kg4 Rg2 34.Kf3 Rf1 (34...Rf1 35.Kg2 Rf4-+) 0–1. Schiller,Thomas – Zornow,Thomas, Pinneberg op (3), 1995.

    5.Bd3 Nc6 6.f4 e5 7.fe5 de5 8.de5 (8.d5!? Nd4 9.Nf3 Nf3 10.Qf3+=) 8...Ng4-+ 9.Nf3 Bc5 10.Qe2 0-0 11.h3 Ne3 (11...Nd4 12.Qf1 Ne3 13.Qf2-+) 12.c3? (12.Nbd2!? Be6 13.Nb3 Bb3 14.ab3-/+) 12...Be6 (12...Ng2 13.Qg2 Qd3 14.Qe2-+) 13.a3 Ng2! 14.Qg2 bc3 15.Nc3 Qd3 16.Rd1 Qe3 17.Qe2 Qe2 18.Ke2 Bc4 19.Ke1 Rad8 20.Nd5 Rfe8 21.Rh2 f6! 22.Rg2 Bd5 23.ed5 Ne5 24.Ne5 fe5 25.Rg5 Bd4 26.Bd4 ed4 27.Kf2 Re3 28.Rd4 Ra3 29.h4 Rc8 30.Rd2 Rh3 31.Rd4 Rc2 32.Kg1 Re3 33.Rd1 Rce2 34.Kf1 Rh2 35.Rd4 Rhh3 36.d6-/+ Rd3 37.Rdd5 Rd5 38.Rd5 Rf3 39.Ke2 Rf8 40.Kd3 Rd8 41.Kc4 Kf7 42.Kc5 a5 43.Rf5 Ke8?? 44.Re5-/+ Kd7 45.Re7+= Kc8 46.Rg7 b5?? 47.Kc6+- b4 48.Rh7 b3 49.Rc7 Kb8 50.Rb7 Kc8 51.Ra7 b2 52.Ra8 1–0. Suchsland,Helmut (1900) – Scholz,Gerd, Hessen–ch Seniors, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    5.Bd3 Nc6 6.f4 Bg4 7.Qd2 d5 8.e5 Ne4 9.Be4 de4 10.d5 Na5 11.h3 Bc8 12.Qb4= e6 13.d6 Qh4 14.Kd1 b6 15.Ne2 Bb7 16.Nd2 Rc8 17.Qd4 Kd7 18.Bc3+= Nc6 19.Qe3 f5 20.g3 Qh5 21.Kc1 h6 22.a4 Ba6 23.g4 Qh4 24.a5?? ba5 25.Nd4 Ne5?? 26.fe5+- Qg5 27.Qg5 hg5 28.gf5 ef5 29.Ra5 (29.Ra5 Rc3 30.Ra6+-) 1–0. Jakubiec,Artur (2565) – Filipenko,Alexander (2385), Cracovia A Krakow, 2005.

    5.Bd3 Qc7 6.a3 Nc6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 a6 10.0-0 e5 11.d5 Na5 12.ab4+/- Nc4 13.Bc1 Be7 14.Nd2 Nd2 15.Bd2 0-0 16.c4 Rac8 17.Qg3 Kh8 18.f4 Nh5= 19.Qg4 Nf4 20.Bf4 ef4 21.Rf4 Qb6 22.Kh1 Qd4 23.Rd1 g6? 24.Rf7! Rce8 25.Qe6+- Bf6 26.Rf8 Rf8 27.Qd6 Kg7 28.Qd7 Rf7 29.Qg4 Be5 30.Rf1 Rf2+/- 31.Qh4 Rf6 32.Rf6?? Qd3?? 33.Rg6!+- hg6 34.Qe7 Kh6 35.Qe5 Qc4 36.d6 Qb4 37.d7 Qf8 38.Qc7 (38.Qc7 Kg5 39.d8Q Qd8 40.Qd8 Kf4 41.Qh4 Ke5 42.Qe7 Kf4 43.Qb7+-) 1–0. Picco,Ruggero – Nikolic,Stank (2040), 7th HIT Open, Nova Gorica SLO, 2002.

    5.Bd3 d5 6.e5 Ne4 7.Qf3 Qa5 8.Be4= de4 9.Qe4 b3 10.Nc3 e6? 11.ab3+/- Qb6 12.Nge2 Bd7 13.0-0 Be7 14.d5+- ed5? 15.Nd5 Qc6 16.Nd4 Qc8 17.Ne7 Ke7 18.Ba3 Ke8 19.Rfe1 (19.Rfe1 Na6 20.e6 Be6 21.Qh4+-) 1–0. Schiller,Thomas – Scholz Goerlach,U, Pinneberg op (6), 1996.

    5.Bd3 Nbd7 6.e5= de5 7.de5 Ne5?? 8.Be5+- Qa5 9.Bb2 Be6 10.Nd2 Rd8 11.Ngf3 g6 12.0-0 Bh6 13.Nb3 Qh5 14.Ne5 Ng4?? 15.Bb5 Bd7 16.Bd7 (16.Bd7 Kf8 17.Bg4 Rd1 18.Rad1+-) 1–0. Vilarnovo Caamano,J (2100) – Valderrama Arroyo,V (1890), II Patrimon Open (3), 2007.

    5.Bd3 e6 6.Nf3 Nc6 7.0-0 Be7 8.c4 bc3 9.Nc3 a6 10.Qe2 e5 11.h3 0-0 12.Nd5 Nd5 13.ed5 Nd4 14.Nd4 ed4 15.Bd4 Bf6 16.Bf6 Qf6 (worse is 16...gf6 17.Qh5 f5 18.Bf5 Bf5 19.Qf5+/-) 17.Rab1 b5 18.a4 ba4 19.Rb6 g6 20.Ba6 Bf5 21.Qb5 Qd8 (21...a3!? 22.Qa4 Bd3-/+) 22.Qb4+= Rb8 (22...Re8 23.Qd6 Qd6 24.Rd6+=) 23.Rb8= Qb8 24.Qa4 Qb6 25.Qc6 Qb4 26.Rc1 Rb8 27.Qc4 Qc4 28.Rc4 (28.Bc4? Rc8-+) 28...Rb1 29.Kh2 Rd1 30.Bb7 Rd2 31.Kg3 Kg7 32.Kf3 Rd3 33.Ke2 Rb3 34.Rc7 ½–½. Ruiz Marana,Alejandro – Fernandez Ramos,Oscar, San Agustin op U18, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    5.Bd3 e6 6.f4 Nbd7 7.Nf3 Be7 8.0-0 b6 9.Nbd2 Bb7 10.Qe2 Rc8 11.Rae1 0-0 12.Kh1 b5 13.Rg1 h5 (13...Nb6 14.Bc1-/+) 14.Nf1 d5 15.e5 Ne4 16.N3d2 f5 17.Ne3 Qa5 18.Ra1 a6 19.Rgf1 Qd8 20.Be4 de4 21.Qh5 Qe8 22.Qe8 Rfe8 23.a3 (23.Kg1!?-/+) 23...Nb6-+ 24.ab4 Bb4 25.Nb3 Na4 26.Rab1 (26.Ba3 Bc3 27.Ra2 Bd5-/+) 26...Nb2 27.Rb2 Red8 28.Rbb1 a5 29.Rfd1 Rc7 30.h3 Rc3 31.Nf1 Bd5 (31...Rc2?! 32.Na5 Ba5 33.Rb5-/+) 32.Na1 (32.Na5 Ba5 33.Rb5 Bc7-+) 32...Bc4 33.Nd2 e3 34.Nf3 e2 35.Rg1 Bd5 36.Ng5 Re3 37.c3 Bc3 38.Nc2 Rd3 39.Ne1 Rd4 40.Rb5 Rd1 41.Nef3 Bf3 42.Nf3 Rg1 43.Kg1 e1Q 44.Ne1 Be1 45.Rb6 Kf7 46.Rb7 Kf8 47.Rb6 Ke7 48.g4 Bd2 49.gf5 Be3 (49...Be3 50.Kg2 Bb6 51.fe6 a4 52.Kf3 a3 53.Kg2 a2 54.Kf3 a1Q 55.Kg4 Qg1 56.Kf3 Qf2 57.Kg4 Qg2 58.Kf5 g6) 0–1. Marczuk,Dominik (1720) – Harutyunyan,Tigran S (1960), EU–ch U10, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    5.Bd3 e6 6.f4 Be7 7.Nd2 0-0 8.Ngf3 b6 9.Qe2 Bb7 10.0-0 Nc6 11.Kh1 Rc8 12.g4? (12.a3 d5+=) 12...Na5 (12...d5!? 13.Qg2 de4 14.Ne4-+) 13.Rg1 Re8 14.Rg3 Qc7 15.Rag1 d5 16.e5 Ne4! 17.Rh3 (17.Ne4 de4 Double attack (17...de4 Passed pawn); 17.Be4 de4 Passed pawn) 17...Red8 18.f5 Qc6 19.Qe1 Bg5 (19...Nc4 20.Bc1-+) 20.Ng5 Ng5 21.f6? (better is 21.Rh5!? Ne4 22.Nf3-/+) 21...Nh3-+ 22.Qh4 Nf2! (22...Ng1?? 23.Qh7 Kf8 24.Qh8) 23.Qf2 Qe8 (23...g6 24.Qh4 Qe8 25.Nf3-/+) 24.Qh4 g6 25.Rg3 Qf8 (better is 25...Kh8!?-+) 26.Rh3-/+ h5?? (better is 26...h6 27.Bc1 Nc4+=) 27.Qg5+/- (27.Qg5 Rc3 28.Bc3+-) 1–0. Baumert,Christian (1820) – Ionescu,Viorica (2105), Berliner Sommer, 1990. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    5.Nd2 e6

    6.Bd3 Nc6 7.Ngf3 Be7 8.0-0 0-0 9.Re1 (9.c4 Bd7=+) 9...b6 10.e5 (10.c3 Bb7=+) 10...de5 11.de5 Nd5 12.Re4 Bb7 13.Nd4 Bc5 (13...Nd4 14.Rd4 Qc7 15.Qe1-/+) 14.Qh5 (better 14.Nc6 Bc6 15.Nb3=+) 14...h6?? (better 14...Nd4 15.Bd4 f5-/+) 15.Rg4+- Kh8?? (better 15...Nf4 16.Qh6 Ng6 17.Rg6 fg6 18.Qg6 Qh4+- (18...Bd4?? 19.Qh7 Kf7 20.Bg6 Ke7 21.Qg7 Rf7 22.Qf7; 18...Nd4?? 19.Qh7 Kf7 20.Bg6 Ke7 21.Qg7 Rf7 22.Qf7)) 16.Ne6 (16.Rg7 Qh4 17.Rh7 Kg8 18.Qh4 Be7 19.Rh8 Kh8 20.Qh6 Kg8 21.Qh7) 16...Qe7 (16...Bf2 17.Kh1 Nf4 (17...fe6?? 18.Qg6 Ne5 19.Qg7) 18.Nf4 Ne7+-) 17.Ng7 Bf2 (17...Qh4 18.Qh4 Bf2 19.Kf2 f6 20.Qh6 Kg8 21.e6 Rf7 22.Nh5 Rg7 23.Qg7) 18.Kh1 Be3 (18...f5 19.Qh6 Kg8 20.Nf5 Qg5 21.Rg5 Kf7 22.Qg6) 19.Qf5 Bd2 (19...Nf6 20.ef6 Qe4 21.Be4 Bd2 22.Qh7) 20.Qh7 1–0. Nguyen,Thi Thuy Quyen (1815) – Nguyen,Ngoc Minh Chau (1830), Nu, 2016. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Bb2 Nf6)

    6.Bd3 Be7 7.f4 0-0 8.Ngf3 Nc6 9.0-0 Qc7 10.Qe2 Re8 11.Rae1 Bd7 12.Qf2 Bf8 13.e5 Nd5? (better is 13...Nh5=) 14.Bh7+- Kh8 15.Qh4 Qd8 (15...Be7 16.Ng5 Bg5 17.fg5 Nd8 18.ed6 Qd6+-) 16.Ng5 (16.Ng5 Qg5 17.fg5 Nf6 18.Bg6 Kg8 19.gf6 Be7 20.Qh7 Kf8 21.fg7) 1–0. Stoppel,Mariusz (2070) – Kirsz,Krzysztof (1735), DMR KPZSzach Poland, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    6.e5 de5 7.de5 Nfd7 8.Ne4 Qa5 9.Nd6 Bd6 10.Qd6 b3 11.c3 Qe5 12.Qe5=+ Ne5 13.ab3 0-0 14.f4 Ng6 15.g3 Bd7 16.Bg2 Bc6 17.Nf3 Rd8 18.0-0 a6 19.c4 Nd7 20.b4 Nf6 21.Bf6 gf6 22.Rab1 Rd3 23.Ne1 Rd7 24.Bc6 bc6 25.f5 ef5 26.Rf5 Kg7 27.Ng2 Rad8 28.Ne3 Ne5 29.Rbf1 Rd6 30.c5 Re6 31.Ng2 Ng6 32.h4 Ne7 33.R5f3 Nd5 34.Nf4 Nf4 35.Rf4 Rde8 36.Kg2 Re2 37.Kh3 R8e6 38.Ra1 R2e4? 39.Re4+/- Re4 40.Ra6 Rb4 41.Rc6 Rc4 42.Rc8 f5 43.c6 Rc5 44.c7 Kf6 45.Kg2+/- Ke6 46.Re8 Kd7 47.Rf8 Rc7 48.Rf7 Kd6 49.Rf5 1–0. Quinaux,D – Boelen,M, Huy op (3), 1991.

    6.Ngf3 d5 7.e5 Nfd7 8.Bd3 Qb6 9.h4 (9.Ng5 Be7 10.Qh5 g6=) 9...Nc6+= 10.Qe2 g6 (10...Be7 11.h5-/+) 11.Qe3 h5 12.Ng5 Bh6 13.Ndf3 a5 14.Qf4 Nd8 15.g4 (15.0-0 Qc6=) 15...Nf8 (15...hg4 16.Qg4 Bg7 17.Rc1+=) 16.Rg1 (16.gh5 Bg5 17.hg5 Rh5 18.Rh5 gh5+/-) 16...a4 (16...hg4!? 17.Nh2 Nd7+=) 17.gh5= Qc7 (better is 17...Bg5!? 18.Rg5 Rh5 19.Rh5 gh5=) 18.hg6+/- Bg5? (18...fg6 19.Qf6 Rg8 20.Rc1+/-) 19.gf7 (19.g7 a3 20.gh8Q ab2 (20...Bf4 21.Rg8 Qe7 22.Bc1 Bc1 23.Rc1+-) 21.Qg5 ba1Q 22.Ke2 Qa2+-) 19...Kd7? (better is 19...Nf7 20.hg5 a3 21.Ba3 Qc3 22.Ke2 Ra3+-) 20.Rg5 (worse is 20.Qg5 a3 21.Bb5 Nc6+-) 20...a3 21.Bc1 (21.Bb5!? Nc6 22.Bc1 b3+-) 21...Qc3 22.Qd2?? (better is 22.Kd1 b3 23.Rg8+-) 22...Qa1+= 23.Bb5 Kc7 24.Rg8? Nf7-+ 25.Rh8 Nh8 26.Qb4 Qc1 27.Ke2 Qc2 28.Nd2 Kb8 29.Qf8 Qh7 30.Be8 b6 31.h5 Ba6 32.Ke3 Qd3 (32...Qd3 33.Kf4 Qd2 34.Kf3 Be2 35.Kg2 Qg5 36.Kh2 Ka7 37.Qa3 Ba6-+) 0–1. Novy,Jaroslav – Hava,Radim, Klatovy op–B, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6)

    6.Ngf3 Bd7 7.a3 Bc6 8.e5 de5-/+ 9.Ne5 ba3-+ 10.Ba3 Ba3 11.Ra3 Qd4 12.Nc6 Nc6 13.Rd3 Qe5 14.Be2 0-0 15.0-0 Rfd8 16.Rg3? Ne4 17.Rd3 Nc3 18.Re3 Nd1 19.Re5 Ne5 20.Rd1 Rac8 0–1. Samedova,Z – Chasovnikova,Eugenia, EU–ch U12 Girls, 1992.

    5.Bd3 g6

    6.Ne2 Bg7 7.0-0 0-0 8.Nd2 Nc6 9.h3 e5 (9...d5 10.Re1-/+) 10.d5+= Na5 11.Kh2 Nd7 12.a3 ba3 13.Ra3 b6 14.Qa1 Nc5 15.Bc3 Bh6 16.f4 f6 (16...f5!?+=) 17.Ba5= ba5 18.Ra5 f5 19.Nb3 (19.Ra7 Ra7 20.Qa7 Bf4 21.Nf4 ef4 22.e5= (worse is 22.Rf4 fe4 23.Re4 Ne4 24.Ne4 Bf5-/+)) 19...Nd3-/+ 20.cd3 Qb6 21.Nbc1 fe4 22.de4 Qe3 23.Rf3 (23.Ra4 Bf4 24.Kh1 Bh3 25.Rf3-+) 23...Qe4-+ 24.Ra4 (24.Ra7 Ra7 25.Qa7 Qd5-+) 24...Qd5 25.Ra7 Ra7 26.Qa7 Bb7 27.Nd3? (27.Rf2 ef4 28.Nc3 Qc5 29.Qc5 dc5-+) 27...Ra8 (27...e4 28.Nc3 Qf7 29.Ne4 Be4 30.Qf7 Kf7 31.Re3 Bd3 32.Rd3 Bf4 33.Kg1-+) 28.Qg1?? (better is 28.Qb6 e4 29.Nb4-+) 28...e4 29.Nb4 Qd2 30.Rb3 Qe2 31.Kh1 Bf4 32.Qb1 Be5 33.Nc6 Bc6 34.Rb8 Rb8 35.Qb8 Kg7 36.Qc7 Kh6 (36...Kh6 37.g3 Qf3 38.Kg1 Qg3 39.Kf1 Bb5 40.Qc4 Bc4) 0–1. Baumert,Christian (2135) – Seidel,Knut (2175), BL2–Nord, 2007. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6 5.Bd3 g6)

    6.e5 Nd5

    7.Qf3 Be6 8.h4 de5 9.de5 Nc6 10.h5 Bg7 11.Qg3 Qd7 12.h6 Bf8 13.Nf3 Bf5 14.Ng5 e6 15.Nd2 0-0-0 16.Nde4 Qc7 17.Nd6 Rd6 (worse is 17...Bd6 18.ed6 Qd7 19.Bh8 Rh8 20.Bf5 gf5 21.Nh7+/-) 18.Bf5 Rd8 19.Be6 fe6 20.Ne6 Qa5 21.Nd8 b3 (better is 21...Kd8 22.e6 Rg8=) 22.c3+/- Nd8 23.ab3 Qb6 24.0-0 Ne6 25.Qg4 Bh6 26.Ra7 Ndc7 27.Raa1 (27.Ra3 Bg7 28.Re1 Rf8+/-) 27...Rf8 28.Ba3 Rf5 29.Bd6 Bf8 30.Qc4 (better is 30.Bf8!? Nf8 31.Qc4+/-) 30...Bd6= 31.ed6 Qd6 32.Rfd1 Qc5 33.Qe2 Qc6 34.Ra4 Rg5 35.f3 Qc5 36.Qf2 Qc3 37.Rc4 Qb3 38.Rdc1 Qb5 39.Qa7 Qa5 40.Qe3 Qb5?? (better is 40...Kd8-+) 41.Qe6+- (41.Qe6 Kb8 42.Rc7 Rg2 43.Kg2 Qg5 44.Kf2 Qh4 45.Ke2 Qh2 46.Kd3 Qd2 47.Kd2 Ka7 48.Ra1 Kb8 49.Qc8) 1–0. Jakubiec,Artur (2300) – Granados Gomez,Manuel, Wch U18 Guarapuava, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6 5.Bd3 g6 6.e5 Nd5)

    7.Qf3 de5

    8.Bc4 A) 8...Be6 A1) 9.Ne2 Bg7 (9...Nc6 10.de5 Bg7 11.Nd4 Nd4 12.Bd4 Nc7 13.Qd3 Bf5 14.Qe3 Bh6-/+ –1.19; 9...a6 10.de5 Nc6 11.0-0 Nc7 12.Be6 Ne6 13.a3 Bg7 14.ab4 Qc7-/+ –0.84) 10.de5 0-0 11.Qe4 Nc6 12.a3 ba3 13.Ra3 Nc7 14.Bb3 Bd5-/+ –1.38; A2) 9.Nh3 Bh6 (9...Nc6 10.de5 Nc7 11.Nd2 Bg7 12.Nf4 Ne5 13.Qb7 Rb8 14.Qa7 Nf3-/+ –0.94; 9...ed4 10.Bd4 Nf6 11.Qb7 Qd4 12.Be6 Qe5 13.Kf1 fe6 14.Qa8 Nfd7= –0.13; 9...Bg7 10.de5 Nc6 11.Ng5 0-0 12.Qe4 Nc3 13.Bc3 Bc4 14.Qc4 bc3-/+ –1.06) 10.de5 0-0 11.0-0 Ne3 12.Be6 fe6 13.Qb7 Nf1 14.Qa8 Ne3-+ –2.53; A3) 9.a3 Bg7 (9...Nc6 10.de5 Bg7 11.Qb3 ba3 12.Ra3 0-0 13.Nd2 Ne5 14.Be5 Be5-+ –1.88; 9...ed4 10.Ne2 Bg7 11.Bd4 0-0 12.Bg7 Kg7 13.ab4 Nc6 14.b5 Ne5-/+ –1.06; 9...ba3 10.Ra3 Bg7 11.de5 Nc6 12.Qe4 a6 13.Nf3 b5 14.Ba2 Ncb4-/+ –0.88) 10.de5 Nc6 11.Qb3 ba3 12.Ra3 0-0 13.Nd2 Ne5 14.Be5 Be5-+ –1.88; A4) 9.de5 Nc6 (9...Bg7 10.Qe4 Nc6 11.Nf3 Nc7 12.a3 Bc4 13.Qc4 Qd5 14.Qe2 ba3-/+ –1.09; 9...Qd7 10.Nh3 Bh6 11.0-0 Qc6 12.Bd3 Nd7 13.a3 Qb6 14.a4 Qc7-/+ –0.97) 10.Ne2 Bg7 11.Nd4 Nd4 12.Bd4 Nc7 13.Qd3 Bf5 14.Qe3 Bh6-/+ –1.19; B) 8...e6 9.de5 Nc6 (9...Bg7 10.Qg3 Bd7 11.Nd2 Bc6 12.Ngf3 b5 13.Bd3 0-0 14.Ne4 Nd7+= –0.69; 9...Nb6 10.Nd2 Bg7 11.Rd1 Qc7 12.Qf4 Nc6 13.Bb5 Bd7 14.Ngf3 Ne5-/+ –0.84; 9...Qc7 10.Nd2 Bg7 11.Qg3 0-0 12.Ngf3 Nc6 13.0-0 Nc3 14.Rfe1 Rd8-/+ –0.91) 10.Qg3 Nb6 11.Bb3 a5 12.a3 a4 13.Ba2 Ra5 14.f4 Rc5 -+.

    8.Ne2 A) 8...Nc6 A1) 9.Bc4 Be6 (9...e6 10.de5 Bg7 11.Qg3 h5 12.f4 h4 13.Qf3 h3 14.g3 Qb6-/+ –0.91; 9...e4 10.Qe4 Be6 11.Nf4 Nf4 12.d5 Bd5 13.Bd5 Qd5 14.Qd5 Nd5-/+ –1.06) 10.de5 Qd7 11.0-0 Bg7 12.Qe4 Rd8 13.f4 Nb6 14.Bb5 Bd5-+ –1.53; A2) 9.de5 Bg7 10.Qg3 Nb6 11.f4 Na4 12.Bc1 Nc5 13.Nd2 Nd3 14.cd3 Bf5-/+ –1.31; A3) 9.Be4 Nf6 (9...Be6 10.c4 bc3 11.Nbc3 Nc3 12.Bc6 bc6 13.Qc6 Bd7 14.Qc3 Rc8-/+ –0.88; 9...e6 10.de5 Bg7 11.Qg3 f5 12.Bd3 g5 13.h4 g4 14.Nd2 0-0-/+ –0.78) 10.Bc6 bc6 11.de5 Nd5 12.a3 Bg7 13.e6 f6 14.ab4 Be6-/+ –0.91; B) 8...Bg7 B1) 9.Bc4 Be6 (9...e6 10.de5 Nd7 11.Qe4 0-0 12.0-0 Qc7 13.f4 Nc5 14.Qd4 f6-/+ –0.91) 10.de5 0-0 11.Qe4 Nc6 12.a3 Qd7 13.Nd4 Nd4 14.Bd4 Rfd8-+ –1.41; B2) 9.Be4 Be6 (9...Nc7 10.de5 Nd7 11.Qf4 Ne6 12.Qd2 Ne5 13.Qb4 a5 14.Qb3 0-0-/+ –1.34; 9...e6 10.de5 Nd7 11.Qg3 0-0 12.0-0 Qc7 13.f4 f6 14.Qh3 Nc5-/+ –1.34; 9...Nb6 10.de5 Qc7 11.a3 Nc4 12.Bd5 0-0 13.Bc4 Qc4 14.Qb3 Qb3-/+ –1.03) 10.c4 bc3 11.Nbc3 Nc3 12.Bc3 ed4 13.Rd1 Nc6 14.Bc6 bc6-+ –1.69; B3) 9.de5 Nc6 (9...0-0 10.Be4 e6 11.a3 Nd7 12.Qg3 ba3 13.Ra3 Qb6 14.Rb3 Qc7-/+ –1.22) 10.Qg3 Nb6 11.f4 Na4 12.Bc1 Nc5 13.Nd2 Nd3 14.cd3 Bf5-/+ –1.31.

    8.Be4 e6 (8...Be6 9.c4 bc3 10.Nc3 Nc3 11.Qc3 Nc6 12.de5 Qb6 13.Nf3 Bg7 14.0-0 0-0+= –0.66) 9.de5 Bg7 (9...Qc7 10.Qg3 Na6 11.Bd4 Be7 12.Ne2 Nc5 13.Bf3 h5 14.0-0 h4+= –0.56; 9...Nc6 10.Nd2 b5 11.Bd5 Qd5 12.Ne4 Be7 13.Nd6 Bd6 14.ed6 Rf8= –0.22; 9...b5 10.Qd3 Qd7 11.Nf3 Na6 12.Bd5 ed5 13.Nd4 Rb8 14.0-0 Nc5+= –0.59) 10.Nd2 Qc7 11.Qg3 Nd7 12.f4 0-0 13.Ne2 Nc5 14.Bd3 Rd8 -/+.

    8.de5 Nc6 A) 9.Ne2 Bg7 10.Qg3 Nb6 11.f4 Na4 12.Bc1 Nc5 13.Nd2 Nd3 14.cd3 Bf5-/+ –1.31; B) 9.a3 e6 (9...Be6 10.Ne2 ba3 11.Na3 Bg7 12.Bb5 Qa5 13.Kf1 Qb4 14.Bd4 0-0-/+ –1.16; 9...Bg7 10.Qg3 Qb6 11.Be4 Be6 12.Ne2 ba3 13.Qa3 Ne5 14.Bd4 Qc7-/+ –0.97; 9...ba3 10.Na3 Bg7 11.Nc4 Be6 12.Be4 Ndb4 13.Qe2 Nd4 14.Nd6 ed6-/+ –1.03) 10.Qg3 Qa5 11.a4 b3 12.Nd2 Bh6 13.Ngf3 Bf4 14.Qh3 bc2-/+ –1.31; C) 9.Bc4 e6 (9...Be6 10.Ne2 Bg7 11.Nd4 Nd4 12.Bd4 Nc7 13.Qd3 Bf5 14.Qe3 Bh6-/+ –1.19) 10.Qg3 Nb6 11.Bb3 a5 12.a3 a4 13.Ba2 Ra5 14.f4 Rc5-+ –1.59; D) 9.Qg3 Bh6 (9...Be6 10.Nf3 Bh6 11.Ng5 Bg5 12.Qg5 Rc8 13.Qh6 Nb6 14.Qg7 Rf8-/+ –0.84; 9...Bg7 10.Nf3 Qc7 11.0-0 Nb6 12.Re1 0-0 13.a3 Rd8 14.Ng5 Nd5-/+ –0.75; 9...Qa5 10.Nf3 Bh6 11.0-0 0-0 12.a3 Rd8 13.Rd1 Nf4 14.Qh4 Nd3-/+ –0.78) 10.Ne2 Bg7 11.0-0 Qc7 12.f4 Qb6 13.Kh1 0-0 14.Nd2 Ne3-/+ –0.97.

    8.de5 Bg7 9.a3 Nc6 (9...Be6 10.Ne2 ba3 11.Ra3 Qb6 12.c4 Qb4 13.Nbc3 Nb6 14.Ra2 Nc4-+; 9...0-0 10.Qg3 Nc6 11.Nf3 Qb6 12.0-0 ba3 13.Ba3 Ne5 14.Ne5 Qd4-/+; 9...ba3 10.Ra3 Nc6 11.Be4 Be6 12.c4 Ndb4 13.Qb3 Rb8 14.Nf3 b5-/+) 10.Qg3 Qb6 11.Be4 Be6 12.a4 Rd8 13.Nd2 Nc3 14.a5 Qc7 -+.

    8.de5 Bg7 9.Bc4 Be6 10.Qe4 Nc6 11.Nf3 Nc7 12.a3 Bc4 13.Qc4 ba3 14.Na3 Qd5 -/+.

    8.de5 Bg7 9.Ne2 Nc6 (9...0-0 10.Be4 e6 11.a3 Nd7 12.Qg3 ba3 13.Ra3 Qb6 14.Rb3 Qc7-/+) 10.Qg3 Nb6 11.f4 Na4 12.Bc1 Nc5 13.Nd2 Nd3 14.cd3 Bf5 -/+.

    8.de5 Bg7 9.Qg3 Nc6 (9...Nd7 10.Nf3 Nc5 11.0-0 0-0 12.Re1 Qc7 13.Nd4 Rd8 14.a3 Qb6-/+ –1.03; 9...Qa5 10.Nf3 b3 11.Nbd2 ba2 12.0-0 Nb4 13.Nc4 Qc5 14.Ba3 Be6+= –0.69; 9...0-0 10.Nf3 Nd7 11.Bd4 Qc7 12.c4 Nc5 13.Be2 Nb6 14.0-0 Rd8-/+ –0.97) 10.Nf3 Be6 (10...Nb6 11.0-0 Qc7 12.a4 Be6 13.Nbd2 Rd8 14.Rfb1 0-0-/+ –1.09) 11.0-0 Qc7 (11...Nb6 12.Rd1 Nc4 13.Be2 Qc7 14.Bc4 Bc4-/+ –0.84) 12.Re1 (12.Rd1 0-0 13.a3 Rfd8 14.Rd2 ba3-/+ –0.94) 12...0-0-0 (12...0-0 13.Ng5 Qc8 14.c4 Nb6+= –0.69) 13.a3 (13.Ng5 Qd7 14.a3 ba3= 0.12) 13...h6 (13...h5 14.h3 Kd7= –0.25) 14.ab4 Ndb4 15.Ra3 Nd3 16.cd3 Rd5 17.d4 Rhd8 18.Nc3 Ra5 19.Na4 Bd5 20.Rc1 e6 21.Rc5 Bf8 22.Ra5 Qa5 (worse is 22...Ba3 23.Rd5 Rd5 24.Ba3-+) 23.Ra1 Qc7 24.Rc1 Kb8 25.h3 Qd7 26.Nc5 Bc5 27.dc5 Bf3 28.Qf3 Qd2 29.Qb3?? Qb4 30.Qb4-/+ Nb4 31.Rc4 Nd3 32.Bd4 Rd5 33.Be3 Ne5 34.Bf4 g5 35.Bg3 Kc8 36.Ra4 Nc6 37.Bd6 b6 38.cb6 ab6 39.Bf8 b5 40.Ra3 h5 41.Kf1 Kb7 42.Ke2 b4 43.Ra2 Kb6 44.Ke3 Kb5 45.f4 gf4 46.Kf4 b3 47.Rb2 Kc4 48.Ba3 Ra5 49.Bf8 Ra2 (49...Ra2 50.Rb1 Rg2 51.Rc1 Rc2-+) 0–1. Schulz,Han (2040) – Stigar,P (2295), St Pauli Open, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 d6 4.d4 Nf6 5.Bd3 g6 6.e5 Nd5 7.Qf3 de5)

    4.d4 g6

    5.a3 ba3 6.Na3 Bg7 7.Nf3 e6 (7...Nf6!? 8.Bd3 0-0+=) 8.Nb5 Ne7 9.e5 (9.Ra7? Ra7 10.Na7 Qa5 11.Nd2 Qa7-+; 9.Na7?! Nbc6 10.Nc6 Ra1 11.Nd8 Rd1 12.Kd1 Kd8+/-) 9...de5 10.de5 (worse is 10.Ne5 Nbc6+=; 10.Ra7? Ra7 11.Na7 Qa5 12.Qd2 Qa7 13.Ne5 Nbc6-+; worse is 10.Na7 ed4 11.Nc8 Ra1 12.Qa1 Qc8 13.Bb5 Nbc6 14.Nd4 Bd4 15.Bd4 0-0+=) 10...Nd7 11.Nd6 (11.Ra7? Ra7 12.Na7 Qa5 13.Qd2 Qa7-+; 11.Na7?! 0-0+=) 11...Kf8 12.Bc4 Nf5 13.Nf5 gf5 (13...ef5?? 14.Ba3 Qe7 15.Qd5+-) 14.0-0 Qc7 15.Bb3 Ne5 16.Ne5 Be5 17.Be5 Qe5 18.Qd8 Kg7 19.Qg5 Kf8 20.Rad1 f6 21.Rd8 Kf7 (21...Ke7 22.Qg7 Kd8 23.Rd1 Ke8 24.Qh8 Kf7 25.Qh7 Ke8+-) 22.Qh5+- Kg7 23.Rh8 Kh8 24.Qf7 Qd6 25.Qf6?? (better is 25.c3 Bd7 26.Qf6 Kg8 27.Rd1+-) 25...Kg8+/- 26.Qf5 Bd7 27.Qg4 Kf7 (better is 27...Kh8+/-) 28.Rd1+- Qe7 29.Qf5 Kg7 30.Qe5 Kf7 31.Qc7 Bc6 32.Be6! Kf8 33.Qf4 Kg7 34.Qg4 Kh8+/- 35.Rd3 Qg7 36.Qg7 Kg7 37.Bd5 a5 38.Bc6 bc6 39.Kf1 a4 40.Ra3 Kf6 41.Ke2 Ke5 42.Kd3 Kd5 43.Kc3 c5 44.Ra1 h5 45.Rd1 Kc6 46.Kb2 a3 47.Ka2 Kb5 48.Rd3 Re8 49.Ka3 Re2 50.f4 Rg2 51.Rf3 Rh2 52.f5 Rg2 53.Kb3 Rg7 54.Kc3 h4 55.Kd3 Kc6 56.Ke4 Kd6 57.f6 Rf7? 58.Kf5+- Rf8 59.Rd3 Kc6 60.Rh3 Rg8? 61.f7 Rf8 62.Kf6 Ra8 63.Kg7 1–0. Tsimbryla,Igor (2075) – Zakharov,Evgeniy, UKR–ch U18 sf, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.f4 Bg7 6.Nf3 Nf6 7.Bc4? Ne4-+ 8.Bd5 Nf6 9.Bb3 0-0 10.Nbd2 b5 11.0-0 Bb7 12.f5 a5 13.Ng5 d5 14.a3 ba3 15.Ba3 Nbd7 16.Ndf3 (16.fg6 hg6 (worse is 16...fg6 17.Ne6 Qb6 18.Nf8 Qd4 19.Kh1 Bf8 20.c3 Qc3 21.Ne4-+) 17.Re1 b4-+) 16...Ne4 (better is 16...gf5 17.c3 a4-+) 17.Bc5?? (better is 17.Ne4 de4 18.Ng5-+) 17...Ndc5 18.dc5 Ng5 19.Ng5 e6 20.Qf3 (20.h4 h6 21.fe6 hg5 22.ef7 Rf7 23.Rf7 Kf7 24.Qf3 Kg8 25.Rf1-+) 20...Qg5 (20...Ba1 21.Ra1 Qg5 22.fe6 fe6 23.Qe2-+) 21.Rad1 (21.f6 Bh6 22.Rfe1 Rfc8-+) 21...ef5 (better is 21...Qf5 22.Qg3 Qe5 23.Qf2-+) 22.Bd5 Bd5 23.Rd5 a4 24.c6 (24.Rd7 a3 25.c3 Qf6-+) 24...a3 25.Rd7 (25.c3 b4! 26.Rd3-+) 25...a2 26.c7 (26.Rdd1 a1Q 27.Ra1 Ra1 28.Ra1 Ba1-+) 26...a1Q 27.Ra1 Ra1 28.Kf2 Qh4 29.g3 Qh2 30.Ke3 Re1 31.Kd3 Qg1 32.Qd5 Rd1 33.Ke2 0–1. Moore,Michael – Garavito,Miguel Angel (2065), Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.h4 Nf6 6.Nd2-/+.

    5.h4 h5 6.a3 ba3 7.Na3 Bg7 8.Nf3 Bg4 9.Be2 Nc6 10.0-0 Nf6 11.d5 Bf3 12.Bf3 Ne5 13.Be5 de5 14.c4 Nd7 15.Qb3 b6 16.Nc2 (16.Rfd1 0-0-/+) 16...0-0 (16...Bf6 17.Ra6 Nc5 18.Qb5 Kf8 19.Ra3-/+) 17.Nb4=+ Nc5 18.Qe3 e6 19.g3 f5 20.Nc6 Qc7 21.Bg2 ed5 22.cd5 f4 23.Qe2 Kh7 24.Bh3 (24.g4 hg4 25.Qg4 a5=+) 24...Rf7 25.Ra3 Qd6 26.g4 (better 26.Rf3!?=+) 26...Ne4! 27.Qe4 Qa3 (27...hg4 28.h5 gh3 29.Rh3=+) 28.gh5=+ Qh3 29.hg6 Kh6 Black plans f3 30.gf7 f3 (30...Rf8!? 31.Rc1 Rf7=+) 31.Qe3= Kg6 32.Qg5 (32.Ne5?? Be5 33.Qg5 Kf7 34.Qh5 Kf8 35.Qh6 Bg7 36.Qd6 Kf7 37.Qc7 Kg8-+) 32...Kf7 33.Re1 Increases the pressure on the backward pawn (33.h5 Rh8 34.Qe7 Kg8 35.Qe8 Kh7 36.Qg6 Kg8 37.Ne7 Kf8 38.Nf5 Qg2 39.Qg2 fg2 40.Rc1+/-) 33...Re8?? (33...Bf6 34.Ne5 Be5 35.Re5 Rg8 36.Re7 Kf8 37.Re8 Ke8 38.Qg8 Kd7=) 34.h5 (34.Re4 Qg2 35.Qg2 fg2 36.Kg2 a5+/-) 34...Rg8?? (34...Qd7 35.Re4 Rg8 (35...Qd5?? 36.Rg4 Ke6 37.Qg7+-) 36.Qg6 Kf8+=) 35.Qe7 1-0. Nadimifar,A (2210) - Dubov,Daniil (2710), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    4.Nf3 e5

    5.a3 Nf6 6.Bc4 (6.ab4 Ne4 7.Bb5 Bd7+=) 6...h6 (6...ba3!? 7.Na3 Ne4-/+) 7.0-0 Be7 (7...ba3!? 8.Na3 Ne4+=) 8.ab4 0-0 9.Qe2 Bg4 10.Qe3 b6 11.Nc3 Bf3 12.Qf3 Nc6 13.Nd5 Nd5 14.Bd5 Rc8 15.Bc6 Rc6 16.Ra7 Bg5 17.Bc3 Rc7 18.Ra6 Rc6 19.g3 Qd7 20.Rfa1 f5 21.Ra7 Qc8 22.ef5 Rf5 23.Qd5 Kh7 24.Ra8 Qd7 25.Qd3 g6 26.Qd5 Rf7 27.R8a7! Rc7 28.Rc7 Qc7 29.b5 Qe7 30.Ra6 Qf6 31.f3+- Qf3 32.Qf3 Rf3 33.Rb6 Rf7 34.Rd6 Rb7 35.Rd5 e4 36.Kf2 h5 37.Ke2 Re7 38.Bd4 Rc7 39.c3 Bh6 40.b6 Rb7 41.Rc5 (41.Rc5 Kg8 42.Rc7+-) 1–0. Faust,Martin (2130) – Boldt,Manfred (1945), Dortmund GER, Sparkassen Open, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.Bc4 Nc6 6.a3 a6 7.ab4 Nb4 8.Nc3 Bd7 9.d4 Rc8 10.Bb3 Nc6 11.Nd5 ed4 12.Nd4 Ne5 13.0-0 Nc4 14.Qf3 Nb2?? (better is 14...Ne5 15.Qg3 Ne7+=) 15.Nc7!!+- (15.Nc7 Qc7 16.Qf7 Kd8 17.Qf8 Be8 18.Ne6 (18.Bg8?! Qe7 19.Qe7 Ke7+/-) 18...Kd7 19.Nc7 Rc7 20.Qg7 Ne7 21.Rfb1+-) 1–0. Branson,James – Gilles de la Londe,Jean Francois (1860), Montigny le Bretonneux Noel op, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.Bc4 Bg4 6.a3 ba3 7.Ba3 Nc6 8.Bb2 Nf6 9.Nc3 a6 10.0-0 Be7 11.Nd5 Nd5 12.Bd5-/+ 0-0 13.d4 Nd4 14.Bd4= ed4 15.Qd3 Bf6 16.Bb7 Rb8 17.Ba6 Rb2 18.Nd4 Bd4 19.Qd4 Rc2 20.f3 Be6 21.Bd3 Rc6 22.Ra7 d5 23.ed5 Qd5 24.Qe3 Rc3?? 25.Bh7!+- Kh7 26.Qc3 Rc8 27.Qe3 Rb8 28.Ra3 Rb2 29.Rd3 Qa2 30.Qg5 g6 31.h4 Bf5?? 32.Rd8 Qa7 33.Kh2 Qc7 34.Kh1 Rb5 35.h5 Bd3 36.hg6 fg6 37.Qh4 Rh5 38.Qh5! gh5 39.Rd3 Qc4 40.Rfd1 Qh4 41.Kg1 Qg3 42.Rd5 h4 43.Rd7 Kg6 44.R1d6?? Kf5+/- 45.Rd5 Kf4 (45...Kf4 46.Rf7 Ke3 47.Re7 Qe5 48.Ree5 Kf4 49.Re4 Kg3 50.Rg4) 1–0. poulmorphy (1680) – fishtrawn (1825), kurnik, 2011.

    4.Nf3 Nf6

    5.Bb5 Bd7 6.Qe2 e6 7.d4 (7.0-0 Bb5 8.Qb5 Qd7=+) 7...d5 8.e5 Ne4 (8...Bb5!? 9.Qb5 Qd7-/+) 9.Bd3=+ Be7 10.Nbd2 (10.0-0 0-0=+) 10...Nd2 11.Qd2 Qb6 12.h4 (12.c4 dc4 13.Bc4 Bb5 14.Bb5 Qb5=+) 12...Bb5-/+ 13.h5 Bd3 14.Qd3 Qa6 (14...h6 15.0-0-/+) 15.Qe3 (15.h6 Qd3 16.cd3 Rg8-/+) 15...Nd7 (15...0-0 16.h6 g6 17.Qd3-/+) 16.h6 g6 17.a3 ba3 18.Ba3 Rc8 (18...0-0 19.Kd2 Ba3 20.Qa3 Qa3 21.Ra3=+) 19.Qb3=+ Qa5 20.Ke2 Qa6 (20...Qb6!?=+) 21.Ke3+= Qb6 22.Qb6 ab6 23.Kd3 Ba3 24.Ra3 Ke7 25.Ra7 Rc7 26.Rb1 (26.c3 f6=) 26...Rhc8= 27.Rb2 f6 28.ef6 Kf6 29.Ra1 Rc3 30.Kd2 R3c4 (30...g5 31.Re1=+) 31.Ra7 R4c7 32.Ra1 g5 33.Re1 Rc4 34.g4 Ra8 (34...Rc3 35.Ng1-/+) 35.c3 Ra3 (35...Rc6 36.Reb1=+) 36.Re3 Rca4 (36...Rc6 37.Ne1=+) 37.Ne5= Ne5 38.de5 (worse 38.Re5 Ra2 39.Kc1 Ra1 40.Kd2 R4a2 41.Ra2 Ra2 42.Ke1 Ra1 43.Kd2 Rh1-/+) 38...Kg6 (38...Ke7!? 39.Rb6 Ra7=) 39.Rb6+= Ra2 40.Kd3 Ra6?? (40...Rg4 41.Re6 Kh5+=) 41.Ra6 (41.Rf3 Kh6 42.Rb7 Rd2 43.Kd2 Ra2 44.Kd3 Rf2 45.Rf2 Kg6 46.Rf6) 41...Ra6=+ (worse 41...ba6 42.Rf3 Kh6 43.Rf6 Kg7 44.Re6 Rf2 45.Kd4+=) 42.Rf3 Kh6 43.Rf7 Rb6 44.Kd4 Kg6 45.Rd7 (45.Rc7 h5 46.Kc5 Ra6 47.gh5 Kh5 48.Rb7 Kg6=+) 45...Rc6 46.f3 b6 (46...Rc4 47.Kd3 h5 48.gh5 Kh5 49.Rb7=+) 47.Rd8 Rc4 48.Kd3 b5 (48...h5 49.Rg8 Kh7 50.Rg5 hg4 51.fg4-/+) 49.Rd6 Kf7 50.Rd7 Kg8 51.Rd6 Rf4 52.Ke3 Kf7 53.Rd7 Kg8 54.Rd6 Rc4 55.Kd3 ½–½. Gumularz,Szymon – Miton,Kamil, 4th Polish–Hungarian Friendship Tournam, 2016. (=1.e4 c5 2.b4 cb4 3.Bb2 d6)

    5.e5 de5 6.Ne5 g6 7.Bc4 e6 8.0-0 Bg7 9.Re1 0-0 10.Qf3 Qc7 11.d3 Nfd7 12.Nf7?? Rf7 13.Be6=+ Nf6 14.Bf7 Qf7 15.Nd2 Bg4 16.Qf4 Nc6 17.h3 Bf5-/+ 18.Nc4 Nd5 19.Qd6 Rd8 20.Qc5 Bb2 21.Nb2 Qf6 22.Nc4? b6 23.Qb5 Nc3 24.Qa6 Bc8 25.Re3 Ba6 26.Rae1 Bc4 (26...Bc4 27.dc4 Rd2-+) 0–1. nizinna – avax6, kurnik, 2011.

    5.e5 de5 6.Ne5 g6 7.Bc4 Bg7 8.Bf7+/- Kf8 9.Bb3 Nc6 10.Nf7+- Qb6 11.Nh8 Bh8 12.0-0 Bf5 13.a3 Rd8 14.ab4 Nb4 15.Na3 Bg4 16.Qe1 Bf5? 17.Nc4+- Qc5? 18.Ne5 Bc2? 19.Rc1+- Nfd5 20.Bd5 Qd5+/- 21.Bc3 Be5= 22.Qe5 Qe5 23.Be5 Nd3 24.Rc2+/- Ne5 25.Rc7 b5 26.Re1 Nd3? 27.Ree7+- a5 28.Rh7 Kg8 29.Rhg7 Kf8 30.Rg6 Re8 31.h4 Ra8 32.h5 b4 33.h6 Ne5 34.Rgg7 b3 35.h7 Ng6 36.Rg6 1–0. poulmorphy (1665) – thaddeus, kurnik, 2011.

    3.Bb2 e5

    4.a3 Nf6-/+ 5.Bd3 Nc6 (5...d5 6.ed5 Qd5 7.Nf3-/+) 6.Nf3 d5 (6...d6 7.ab4 Nb4 8.Bb5 Bd7 9.Bd7 Qd7 10.d3=+) 7.Ne5 (7.ed5 Qd5 8.Qe2 Be6 9.Be5 Ne5 10.Qe5 Qe5 11.Ne5 Bc5=+) 7...Ne5-/+ (worse 7...Ne4 8.Nc6 bc6 9.Qe2=) 8.Be5 de4 9.Bb5 Bd7 10.Bf6 gf6 11.Qe2 f5 12.ab4 Bb4 13.Qc4 Be7 14.Qd5 Bb5 15.Qb5 Qd7 16.Qe5 (16.Ra5!?=+) 16...f6-/+ 17.Qf4 (17.Qc3 b5-/+) 17...Bd6 18.Qh6 (18.Qe3 a5-/+) 18...Be5-+ 19.Nc3 a6 20.Qh5 Ke7 21.Rb1 (21.Rd1-/+) 21...Bf4 (better 21...b5!?-+) 22.0-0=+ Rag8 23.d3 Rg5 (23...Be5 24.d4 Bc7 25.Rfd1=+) 24.Qe2 (better 24.Qh3 Rhg8 25.g3=) 24...Qc7?? (24...Be5!? 25.Nd1 ed3 26.cd3 f4-/+) 25.Ne4 (better 25.Nd5 Kd6 26.Nc7 Kc7 27.de4+-) 25...fe4= 26.Qe4 Attacking the backward pawn on b7 26...Kf8 27.g3 (better 27.Rb7!? Bh2 28.Kh1=) 27...b5-/+ 28.Qa8 (28.h4 Rg6 29.h5 Rgg8-/+) 28...Kg7-+ 29.Qa6 Bg3?? (better 29...Rb8-+) 30.hg3 (30.fg3!? Rg3 31.Kh1+-) 30...Rg3= 31.fg3 Qg3 32.Kh1 The isolani on f6 becomes a target 32...Qh3 33.Kg1 Qg3 ½–½. Alonso Gomez,Raul (1875) – Arroyo Mateo,Jose Miguel (1735), 42nd Obert Internacional Escacs Ciutat, 2016. (=1.e4 c5 2.b4 e5 3.Bb2 cb4)

    4.Bc4 Nf6 5.Nf3 Nc6 6.0-0 Qc7 7.Ng5 Nd8 8.Bb3 Be7 9.d4 d6 10.c3 0-0 11.cb4= h6 12.Nf3 ed4 13.Nd4 Nc6 14.Nc6 bc6 15.Re1 Rd8 16.a3 a5 17.ba5 Ra5 18.Nd2 Rg5 19.Nf3+= Rg6 20.Qc2 Nh5 21.Nd4 c5 22.e5 Nf4-/+ 23.g3 Qb7-+ 24.f3? cd4 25.Kf2 d3 26.Qd1 Qb6 27.Re3 Nh3 (27...Nh3 28.Kg2 Qe3-+) 0–1. Westphal,Frank – Thiel,Kuno (2315), Nuremberg op (3), 1987.

    4.Be5 Nc6 5.Bb2 d5 6.e5 d4 7.Nf3 Bg4 8.Bb5 Nge7 9.0-0 Qd5 10.Be2 Bf3 11.Bf3 Qe5 12.Re1 Qd6 13.a3 b3 (13...Kd8 14.Qe2=) 14.c3 Ne5 15.Be4 dc3 16.Nc3 Nc4 17.Qb3 Nd2?? (better is 17...Nb2 18.Qb7 Rc8 19.Qb2 Rb8+-) 18.Qb5 (worse is 18.Qb7 Rc8 19.Nb5 Ne4 20.Nd6 Nd6+-) 18...Kd8 19.Rad1 (19.Qb7 Rb8 20.Nb5 Qf4+/-; 19.Bb7 Rb8 20.Rad1 Kc7 21.Nd5 Qd5 22.Be5 Kd8 23.Qd5 Nd5 24.Bb8 Bd6 25.Bd6 Nb6+-) 19...a6 20.Qb7 Rb8 21.Rd2! Rb7 22.Rd6 Kc7 23.Bb7 Kd6 24.Ba6 Nc6 25.Ne4 Kc7 26.Bc4 Nd8 27.Be5 Kc6 28.Rc1 Ba3 29.Ra1 Re8 30.Ra3 Re5 31.Ra6 Kb7 32.Nd6 Kc7 33.Nf7 Rc5 34.Bf1 Nc6 35.g4 Kd7 36.h4 h6 37.Nh8 g5 38.h5 Rc3 39.Bb5 Rc5 40.Bc6 Rc6 41.Rc6 Kc6 42.Nf7 Kd5 43.Ng5! Ke5 44.Nf7 Kf6 45.Nh6 Kg5 46.Kg2 Kh6 47.Kg3 Kg5 48.f4 (48.f4 Kf6 49.g5 Kf5 50.h6+-) 1–0. Gibson,Kris (1800) – Nash,Jordan (1610), Winnipeg TNT Oct op, 2003. (=1.e4 c5 2.b4 e5 3.Bb2 cb4)

    4.Nf3 Nc6 5.Bb5 Qb6 6.Ba4 Nf6 (6...Bc5 7.0-0 f6 8.Bb3=+) 7.0-0 (7.Ne5 Ne5 (worse 7...Ne4 8.Qe2+-) 8.Be5 Be7=) 7...Bc5 (better 7...d6=+) 8.h3? (better 8.Ne5!? Bd4 9.Nc4 Bb2 10.Nb2=+) 8...0-0 (8...Ne4 9.Qe1 Bf2 10.Rf2 Qf2 11.Qf2 Nf2 12.Kf2-/+) 9.d3 d6 10.Nbd2 Nd4 11.Nd4 (11.Nb3 Qa6 12.Nc5 dc5=+) 11...Bd4 12.Bd4 Qd4 (12...Qd4 13.a3 ba3 14.Ra3 Qc5-/+) 0–1. Work in Progress (2195) – juliangon (2645), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.Bb2 e5)

    4.Nf3 d6 5.Bc4 Be7 6.a3 ba3 7.Na3 Nf6 8.Ng5 0-0 9.Nb5 Qb6 10.d4 h6 11.h4 (11.Nf3 Nc6 12.0-0 Bg4-+) 11...a6 (11...Bd7 12.Qd3-+) 12.de5 (12.Nf7 Rf7 13.Bf7 Kf7 14.de5 de5 15.Qd3-+) 12...de5-+ 13.Be5 (13.Nf7 Rf7 14.Bf7 Kf7-+) 13...Bg4 (13...hg5 14.Nc3 Bb4 15.Bd4-+) 14.f3 Nc6 (14...ab5?! 15.Bf7 (15.Ra8? bc4 16.Bb8 hg5-+) 15...Rf7 16.Ra8 Qe3 17.Kf1 hg5 18.Rb8 (worse is 18.Bb8 Bf8 19.Qe1 Qc5=) 18...Bf8 19.Qe1=; 14...hg5 15.Bd4 Bc5 16.Bc5 Qc5 17.Qe2-+) 15.Bd4? (15.Nf7 ab5 16.Nh6 Kh7 17.Ra8 Ra8 18.Bg8 Ng8 19.Ng4 Ne5 20.Ne5-+) 15...Nd4-+ 16.Qd4 Bc5 (16...ab5?! 17.Bf7 Kh8 18.Qb6 Ra1 19.Ke2 Rh1 20.Qb7-+) 17.Qd3 Rad8 18.Qb3 (18.Bd5 Nd5 (18...Qb5?! 19.Bf7 Rf7 20.Qb5 ab5 21.Nf7 Kf7 22.fg4-+) 19.ed5 Rfe8 20.Ne4 ab5 (20...Qb5?! 21.Qb5 ab5 22.0-0-0 Ba3 23.Kb1-+) 21.fg4 Qg6-+) 18...Bf2 (18...Bg1 19.Rg1 Qg1 20.Bf1 hg5 21.Nc3 Bf3 22.Nd5 Bg2 23.0-0-0 Bf1 24.Qf3-+) 19.Ke2 hg5 (19...ab5?! 20.Bf7 Kh8 21.fg4+=) 20.hg5 (20.Nd6 Rd6 21.Qb6 Bb6 22.Bd3-+) 20...Ne4 21.fg4 (21.Bd5 Ng3 22.Kd1 ab5 23.Kc1 Nh1 24.g6 Qg6 25.fg4-+) 21...Rd2 22.Kf3 (22.Kf1 Ng3 23.Qg3 Bg3 24.Nd4 Qd4 25.Rh8 Kh8 26.Ra6 Qf2) 22...Ng5 23.Kf4 Qf6# 0–1. Chernov,Vladimir I – Khadzh Khamed,N (2015), ch–UKR, Alushta UKR, 2010. (=1.e4 c5 2.b4 e5 3.Bb2 cb4)

    3.Bb2 e6

    4.Bc4 d6 5.Nf3 Nf6 6.d3 Nc6 7.a3 Be7 8.ab4 Nb4 9.e5 de5 10.Ne5 0-0 11.Nd2 Nbd5 12.h4 (12.0-0 Qc7+=) 12...Bb4 13.Bd5 Qd5 14.0-0 b5 15.Ng4 Ng4?? (better is 15...Ne8-/+) 16.Qg4+- f6 17.Qb4 Bb7 18.Qg4 a5 19.Ne4 e5 20.Nc3 Qc6 21.Rfc1 f5 (21...a4 22.Na2+/-) 22.Qg3 Rf6 23.h5 Rh6? (better is 23...a4 24.Nb1 f4+/-) 24.d4?? (better is 24.Ne2 f4 25.Nf4+-) 24...Rh5+= 25.d5 Qe8?? 26.Ne2+- Rh6 27.Qe5 Qe5+/- 28.Be5 Re8 29.f4 Bd5 30.Ra5 Rg6 31.g3 Bc4 32.Kf2 Be2 33.Ke2 Rg3 34.Kf2 Rh3 35.Rb5 Rd8 36.Rb8 Rb8 37.Bb8 Kf7 38.c4 Ke6 39.Be5 g5 40.c5 Ra3 41.c6 Ra2 42.Ke3 Ra3 43.Kd4 Ra8 44.c7 Rc8 45.fg5 Kd7 46.Rh1 0–1. Gibson,Kris – Schulz,Waldemar, Winnipeg Tuesday Night op 1st rapid, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    4.e5 Be7 5.a3 d5 6.ab4 Bb4=+ 7.Qg4 Bf8 8.Nf3 Nh6 9.Qf4 Nc6 10.Na3 Be7 11.g4 0-0-/+ 12.g5 Nf5 13.h4 Bd7 14.h5 Qb6 15.Bc1 Ncd4 16.Bd3 Rfc8 17.Rb1-/+ Nf3 18.Qf3 Qc7 19.Qf4 a6 20.c3 d4! 21.Bf5 ef5 22.Qd4 Re8 23.f4 Bc5 24.Qd3? Bc6-+ 25.Rh3? Ba3 26.Qf5 Bd7 (26...Bd7 27.Qe4 Bc1-+) 0–1. Barnier,A (2030) – Pinkus,Lutz (2050), Cannes op (9), 1990.

    4.Nf3 a6 5.Be2 b5 6.0-0 Bb7 7.e5 d5 8.ed6 Nf6 9.a3 ba3 10.Na3 Bd6 11.c4 b4 12.Nc2 0-0 13.d4 a5 14.c5 Bc7 15.Ne3 Nd5 16.Qc2 Nf4 17.Rfd1 Ne2 18.Qe2 a4 19.d5 Bd5 20.Nd5 ed5 21.Qb5 a3 22.Qb4? Nc6 23.Qb7 ab2 24.Ra8 Qa8 25.Qb2 Rd8 26.Qc2 h6 27.g3 Qa3 28.Kg2 d4 29.Qe4 Qc5 0–1. Neidig,Heiner – Seiler,Josef, Baden–ch HT1, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    4.Nf3 b6 5.a3 Nf6 (5...Nc6 6.ab4 Nb4 7.c3=) 6.e5 (6.ab4 Ne4 7.Nc3 Nc3 8.Bc3 Nc6=) 6...Nd5 7.ab4 Bb4 (7...Nb4 8.c3 Nd5 9.c4=) 8.c3 (8.c4 Ne7=) 8...Be7=+ 9.d4 (9.c4 Nb4=+) 9...Bb7 (9...0-0 10.c4 Nb4 11.Be2=+) 10.c4 Bb4 (10...Nb4 11.Be2=+) 11.Nbd2= Nf4 12.Qb3 (12.g3 Ng6=) 12...a5 (12...Nc6 13.Qe3 Ng6 14.Bd3=) 13.Qe3 (13.g3 Ng6=) 13...Ng6 14.Bd3 (14.Be2 Nc6=) 14...Nh4 (14...Bf3 15.Qf3 (worse 15.gf3 Nc6-/+) 15...Nc6 16.Qe3=+) 15.Rg1 (15.Nh4 Qh4 16.0-0 Bd2 17.Qd2 Bg2 18.Kg2 Qg4 19.Kh1 Qf3 20.Kg1 Qg4 21.Kh1 Qf3 22.Kg1 Qg4 23.Kh1=) 15...Na6 (15...0-0 16.Kf1-/+) 16.Kf1=+ Nf3 (16...Bd2!? 17.Nd2 Nb4=+) 17.gf3= Bd2 18.Qd2 Qh4 (18...g6 19.Qh6=) 19.Ke2 (19.Rg7!? Qh2 20.Ke2+=) 19...g6= 20.Rg4 Qe7 (20...Qh2 21.Qg5 Qh3 22.Qf6+-) 21.Ba3 (21.Qh6 Nb4=+) 21...Nb4=+ 22.Rb1 f5 23.Rgg1? (23.Rg5 Kf7=+) 23...0-0 (23...Qh4!? 24.Bb4 ab4 25.Rb4 Qd4 26.f4-/+) 24.Bb4 (24.Qg5!? Qg5 25.Rg5-/+) 24...ab4-/+ 25.Rb4 d6 (better 25...Qh4!? 26.Rb6 Bc6-/+) 26.Rb6= de5 27.de5 (27.Rgb1 Bc8 28.de5 Rd8=) 27...Rfd8 (27...Qc7 28.Re6 Ra3 29.Rd6=) 28.Rgb1 Ra7 (28...Bc8 29.Kf1=) 29.R1b2 (29.Qc3 Ra2 30.Bc2 Ba6=) 29...Ba8 30.Qe3 (30.Qb4 Qh4 A) 31.Re6 Bf3 (31...Qh2?! 32.Rd2-+) 32.Kd2 Qf2 (32...Qh2?! 33.Qb6 Rad7 34.Rd6-+) 33.Kc1 Qe3 34.Rd2 Ra2 35.Re8 Re8 36.Bc2 Qe1 37.Bd1 Ra1 38.Kb2 Rd1 39.Qa5 Rd2 40.Ka3 Qa1 41.Kb4 Qb2 42.Ka4 Bd1; B) 31.Rd6=) 30...f4 (30...Ra3!? 31.R6b3 Rb3 32.Rb3 Qh4=) 31.Qf4+= Rad7 32.R2b3 (32.Be4 Qc5 33.Ba8 Rd4+=) 32...Rf8= 33.Rb8 (33.Qe3 Bf3 34.Kd2 Rdd8=) 33...Rdd8 34.Rd8 Qd8 35.Qe3 Bf3 36.Kd2 Qa5 37.Rc3 (37.Kc1 Qa4 38.Rb6 Qa3 39.Kc2 Qa2 40.Kc3 Qa1 41.Kd2 Qa5 42.Kc1 Qc3 43.Kb1 Kg7=+) 37...Qa1 (37...Qa4 38.Bc2 Qb4 39.h4=) 38.Rc1 (38.Rb3 Qa5 39.Rc3 Rf7=) 38...Qb2 39.Rc2 Qb4 40.Rc3 Bc6 41.f4 Ba4 (better 41...Rf7=) 42.Bc2? (better 42.Be2!?=) 42...Qb2-/+ 43.Qh3?? (better 43.Ke2 Bc2 44.Qd2 Rf4 45.Qc2-+) 43...Bc2-+ 44.Rc2 (44.Qe6 Kh8 45.Rc2 Rd8 46.Qd6 Rd6 47.ed6 Qd4 48.Kc1 Qd6-+) 44...Rd8 45.Qd3 Rd3 46.Kd3 Qb3 47.Rc3 (47.Kd2 Qh3 48.Kc1 Qf1 49.Kb2 Qf4-+) 47...Qd1 48.Ke3 Qg1 (48...Qe1 49.Kd3 Qf1 50.Kc2 Qf4 51.h3-+) 49.Ke4 (49.Kd3 Qf1 50.Kc2 Qf4-+) 49...Qg2 50.Ke3 (50.Kd3 Qh3 51.Kd4 Qh2-+) 50...Qh2 51.c5 (51.Rd3 g5! 52.Rd8 Kf7 53.fg5 Qe5 54.Kd3 Qg5 55.Rd7 Kf6-+) 51...Qg3 52.Kd2 Qf4 53.Kc2 (53.Kd3 Qe5 54.c6 Qd6 55.Ke2 Qc7-+) 53...Qe5 54.c6 Qc7 55.Kb3 (55.Kd3 Kf7 56.Ke4 Qa5-+) 55...Kf7 56.Kb4 (56.Kc2 Ke7 57.Kb1 Qb8 58.Ka2 Qh2 59.Kb3 Qd6-+) 56...Ke7 57.Kb5 (57.Ka4 Qb6 58.c7 Qd4 59.Kb3 Qc3 60.Kc3-+) 57...Qe5 58.Rc5 Qc5! 59.Kc5 Kd8 60.Kd6 h5 61.Ke5 Kc7 62.Ke6 h4 63.Kf6 h3 64.Kg6 h2 65.Kf5 (65.Kh6 h1Q 66.Kg7 Qc6 67.Kh7 Kd7 68.Kg7 Ke7 69.Kg8 Qg2 70.Kh7 Kf6 71.Kh6 Qg6) 65...h1Q 66.Ke5 Plans Qh7 66...Kc6 67.Kd4 Qd5 (67...Qe1 68.Kd3 Kc5 69.Kc2 Kd4 70.Kb2 Qd1 71.Ka3 Kc3 72.Ka2 Qb3 73.Ka1 Qb2) 68.Ke3-+ Kc5 69.Kf4 (69.Kf2 Kd4 70.Kg3 Qg5 71.Kf2 Qg4 72.Ke1 Qg2 73.Kd1 Kd3 74.Ke1 Qe2) 69...Kd4 70.Kg4 (70.Kg3 Qg5 71.Kf3 Kd3 72.Kf2 Qg4 73.Kf1 Ke3 74.Ke1 Qe2) 70...Ke3 71.Kh4 (71.Kg3 Qg8 72.Kh4 Kf4 73.Kh5 Qg5) 71...Kf3 72.Kh3 Qh5 0–1. Nguyen,Huy Dat (2180) – Vyskocil,Neklan (2325), 28. Czech Open A, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    4.f4 d5 5.e5 Bd7 6.Nf3 Ne7 7.d4 Nf5 8.Bd3 Nh4 9.0-0 Nf3 10.Qf3 a6 11.Nd2 Bb5 12.f5 Qd7 13.fe6 fe6 14.Qh5+= Kd8 15.Rf7 Qe8 16.Raf1 Bd3 17.cd3 g6 18.Qf3 Nd7 19.Qd1 Rc8 20.Qa4 Be7 21.Qa5 Rc7 22.a3 ba3 23.Ba3 Ba3 24.Qa3 Kc8 25.Nb3 Qd8 26.Qd6 Rc6= 27.Qa3 a5? 28.Na5+- Ra6 29.Qc3 Qc7 30.Rc1 Qc3 31.Rc3 Kb8 32.Nb7 Ra1 33.Kf2 Kb7 34.Rd7 Kb8 35.Rf7 Ra2 36.Kg3 h5 37.h3 g5 38.Rg7 h4 39.Kh2 Rc8 40.Rc8 Kc8 41.Rg5 Rd2 42.Rg4 Rd3 43.Rh4 Kd7 44.Rf4 Kc6 45.h4 Kb5 46.h5 Kc4 47.h6 Ra3 48.g4 Ra7 49.g5 Kd3 50.g6 1–0. Rothmund,J – Staresina,Mirko, Oberschwaben ch–B (7), 1991.

    4.c4 Nc6

    5.d4 d5 6.Nd2 Nf6 7.e5 Nd7 8.Ngf3 Be7 9.Bd3 dc4 10.Nc4 Nb6 11.Nb6 Qb6 (worse is 11...ab6 12.Qb1+=) 12.0-0 Bd7 13.Rc1 Rd8 14.Qe2 Rc8 15.Rfd1 0-0 16.Qe3 Na5 17.Ng5 Bg5 18.Qg5 Bb5 19.Rc8 Rc8 20.Be4 Bc6 (better is 20...Nc4!? 21.Ba1 Qa6=) 21.d5+= Qd8 22.Qg4 Ba4 23.Rd4 ed5 (23...Rc4!?+=) 24.Rd5 Qc7 25.h4 (25.Bd3!? b6 26.e6+- (26.Qb4?! Bc6 27.Rd6 Nb7+/-)) 25...Nc4+= 26.Bd4 Nd2 27.Rc5 (27.Ba7? Ne4 28.Qe4 Bc6-+) 27...Qc5 (27...Bc6 28.e6 f5 29.Bf5 Rd8+-) 28.Bc5+- Rc5 29.Bd3 (worse is 29.Bb7 Rc4 30.Qf5 g6+-) 29...Rc1 30.Kh2 Rc6 (30...Rc3 31.e6 Be8 32.Qb4 Rc6 33.ef7 Bf7 34.Qd2 g6+-) 31.Qg5 (better is 31.Qb4!? b5 32.Bb5 Bb5 33.Qb5 Rc8+-) 31...g6 32.Qd2 Rc3 33.h5! gh5 34.Qg5 Kf8 35.Qh6 Ke8 36.Qd6 (36.e6 Rc6 37.ef7 Kf7 38.Qh5 Ke6 39.Qf5 Ke7 40.Qe4 Kf7 41.Qh7 Ke6 42.Qe4 Kd7 43.Qb4 b5+-) 36...a5 37.f4 Bd7 38.f5 Kd8 (38...Rc6 39.Qd5 Rc8+-) 39.e6 (39.e6 Kc8 40.ef7 b5 41.f8Q Be8 42.Qe8 Kb7 43.Qeb8) 1–0. Krol,Miroslaw – Derus,Jerzy (1895), OLLS, 1999. (=1.e4 c5 2.b4 cb4+= 3.Bb2 e6)

    5.d4 Qh4 6.Bd3 Nf6 7.Nf3 Qg4 8.Qe2 b6 (better is 8...Qg2!? 9.Rg1 Qh3+=) 9.d5 Na5 10.Nbd2 Nb7 (better is 10...Qg2 11.Rg1 Qh3=) 11.Nd4?? (better is 11.e5 Ng8 12.h3+/-) 11...Nc5 12.Bc2 Qe2 (better is 12...Qg2!? 13.Qf1 Qf1 14.Rf1 Bb7-/+) 13.Ke2 Bb7 14.f4 h5 15.N2f3? (better is 15.a3 ba3 16.Ba3+=) 15…Nce4-+ 0–1. Van Eijk,Jelle H – Chaney,Ronald L, IECG, 1996. (=1.e4 c5 2.b4 e6 3.Bb2 cb4)

    4.d4 d5-/+

    5.Bb5 Nc6 6.a3 Nh6 +=.

    5.Bb5 Bd7 6.Qe2 (6.Bd3!?+= should be considered) 6...Bb5 7.Qb5 Qd7 8.Qd3 de4 9.Qe4 Nf6 Black threatens to win material: Nf6xe4 (9...Qc6 10.Qc6 Nc6 11.a3-/+) 10.Qf3 (10.Qd3 a6-/+) 10...Nc6 11.Ne2 Rc8 12.c4 bc3! Decoy: d4 13.Nbc3 (13.Nbc3 Nd4 Interception Decoy; 13.Bc3 Nb4 Combination; 13.Nec3 Nd4 Deflection; 13.Qc3 Bb4 Decoy Pinning) 13...Bb4 14.0-0 0-0 15.Ne4 Ne4 16.Qe4 Ne7 17.Rad1 Qd5 18.Qb1 Rfd8 19.Rd3 Qe4 (19...Nf5 20.Ba1 Ba5 21.Bc3-/+) 20.Qd1 (20.Ng3 Qc6-/+) 20...Nf5 21.Ng3 Ng3 22.hg3 Qd5 23.Qb1 Be7 24.g4 Bf6 25.f4 Qe4 26.Rh3 Qb1 27.Rb1 Rc2 28.g5? Rb2!-+ Decoy: f2 29.Rb2 Bd4 30.Rf2 Bf2 31.Kf2 Rd2 32.Kf1 Ra2 33.Rc3 g6 34.Rc8 Kg7 35.Rc7 b5 36.Rb7 a6 37.g3 Ra4 38.Ke2 b4 39.Kd3 a5 40.Rb5 Ra3 41.Kd4 b3 42.Kc3 a4 43.g4 Ra2 44.Rb4 Rc2 45.Kd3 Ra2 46.Kc3 b2! the final nail in the coffin 47.Kc2 a3 48.f5 gf5 49.gf5 ef5 0–1. Toth,Gabor (2000) – Senff,Martin (2230), Budapest FS07 FM, 2001. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    5.Nd2 Bd7 6.Bd3 de4 7.Ne4 Bc6 8.Nf3 Nf6 9.Ng3 h5 10.h4 Nbd7 11.0-0 Nb6 12.c4 bc3! 13.Bc3 Bd6 0–1. Puleston,Timothy (1850) – Boettcher,Fred (1925), IECG, 2004.

    5.Nd2 de4 6.Ne4 Nd7 7.Bd3 Ngf6 8.Ng3 Bd6 9.Nf3 b6 10.0-0 Bb7 11.Re1 0-0 12.Ne5 Nd5 13.Nd7 Qd7 14.Nh5 Rac8 15.Re4? Nc3-+ 16.Nf6 gf6 17.Rg4 Kh8 18.Bc3 f5 19.Rh4 Rc3?? 20.Rh7-/+ Kh7 21.Qh5= Kg7 ½–½. Schiller,Thomas – Meyer,Friedhelm, Regionalliga NordN, 1989.

    5.Nd2 de4 6.Ne4 Nd7 7.Nf3 Ngf6 8.Ng3 Be7 9.Bd3 0-0 10.0-0 h6 (10...Nb6 11.a3-/+) 11.Ne5 Ne5 12.de5 Nd5 13.Qg4 Bh4 (better 13...f5 14.ef6 Nf6 15.Bf6 Bf6=+ (worse 15...Rf6 16.Nh5 Rf7 17.Bg6+=)) 14.f4? (better 14.Qe4 g6 15.a3=) 14...Ne3-+ 15.Qh5 (15.Qf3 Nf1 16.Qe4 g6 17.Rf1 Be7-+) 15...Bg3 16.Rf3 Qh4?? (better 16...Qb6 17.Kh1 Bf2 18.Rf2 Nc4 19.Bc4 Qf2-+) 17.Qh4-/+ Bh4 18.Re3 Be7 19.g4 (better 19.Kf1!?-/+) 19...Bc5-+ 20.Kf2 Bd7 21.Ke2 Be3 22.Ke3 Bc6 23.Rg1 (23.Bd4 Rfd8-+) 23...g6 (23...Bd5 24.Bd4-+) 24.f5 Kg7 (24...Bd5 25.a3 ba3 26.Ba3-/+) 25.h4 Rad8 (25...Bd5 26.f6 Kh8 27.Bd4-+) 26.Bc1 (26.h5!?-/+) 26...Rd5-+ 27.Kf2 (27.Bb2 Ra5-+) 27...Rfd8 28.f6 Kh7 29.h5 (29.Bf4-+) 29...Rd4?? (better 29...Re5 30.Bf4 Rc5-+) 30.hg6= fg6 31.Bh6?? (better 31.Be3=) 31...Kh6-+ 32.Rh1 (32.g5 Kh7-+) 32...Kg5 (better 32...Bh1 33.Kg3-+) 33.Rh7 (33.Rf1 Rf4 34.Ke1 Rf1 35.Kf1 Kg4 36.Bg6 Kf4-+) 33...Kg4 (33...Rf4 34.Ke1-+) 34.f7 (34.Re7 Rf4 35.Ke2 Bd5 36.Bg6 Be4-+) 34...Rf4 35.Ke3 (35.Ke1 Be4 36.Rg7 Rf8-+) 35...Rf8 (better 35...g5 36.Rg7-+) 36.Kd2 (36.Kd2 R4f7 37.Rh6-+). Saqo20 (2500) - Aaron_Whitney (2320), Rated Bullet game, lichess.org, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 e6)

    5.Nd2 de4 6.Ne4 Nf6 7.Nf6 Qf6 8.Nf3 Bd7 9.Be2 Bc6 10.0-0 Nd7 11.Rb1 Qf5 12.Re1 Bd6 13.Nh4 Qf4 14.g3 Qg5 15.Bf3 0-0 16.c4 bc3! 17.Bc3 Rab8 18.Bc6 bc6 19.Qa4 Rb1 20.Rb1 Rb8 21.Re1 Qb5 22.Qa7 Nb6 23.Nf3 Ra8 24.Qb7 Qa6 25.Qa6 Ra6 26.Rc1 Nd5 27.Bd2 Ra2 28.Rc6 Bf8 29.g4 g6 30.Rc8 Kg7 31.g5 Bd6 32.h4 Ne7 33.Rc4 Kf8 34.Kg2 Nf5 35.Kh3 Ra1 36.Bb4 Bb4 37.Rb4 Ra3 38.Kg2 Ra2 39.Rb8 Kg7 40.Rd8 h6 41.Rd7 Ra3 42.Ne5 Nh4 43.Kf1 hg5 44.Rf7 Kg8 45.Rf6 ½–½. Puleston,Timothy (1985) – Mansilla,Raul Oscar (1915), IECG, 2002.

    5.Nd2 Nf6 6.Bd3 Be7 7.e5 Nfd7 8.Ne2 b6 9.f4 (9.c3 bc3 10.Nc3 Nc6-/+) 9...g6 (9...Ba6 10.0-0-/+) 10.Nf3 (10.0-0 Ba6=+) 10...Ba6-/+ 11.Ba6 Na6 12.Qd3 Qc8 13.Nd2 (13.0-0 Qc4-/+) 13...Qb7 (13...0-0 14.Rc1-/+) 14.0-0 Nc7 (14...Rc8 15.a3-/+) 15.a3=+ Qa6 (15...0-0 16.ab4 Bb4 17.Ba3 Ba3 18.Ra3=+) 16.Qe3= Qb7 17.ab4 (17.Qd3 0-0=+) 17...Bb4=+ 18.Nf3 (18.Ba3 Ba3 19.Ra3 0-0=+) 18...h5 (18...0-0 19.Ba3 Ba3 20.Ra3=+) 19.Ba3 (19.Qb3 Be7=+) 19...Ba3= 20.Qa3 (20.Ra3 a6=+) 20...Qc8 (20...b5 21.Qb4=+) 21.c4 (21.Rfc1 a5=+) 21...dc4 22.Nc3 (22.Nd2 Nb5 23.Qb4 a6=) 22...Qb7=+ 23.Ng5 f5 (23...Qc6 24.Nce4 Nb5 25.Qb4=) 24.ef6= Nf6 25.Rfe1 (better 25.Qd6 Qc8 26.Qc6 Qd7 27.Qc4=) 25...0-0-0 (better 25...Qc6=+) 26.Nf7+- Rhf8 27.Nd8 Rd8 28.Qe7 (28.Ne2 b5+-) 28...Nfd5+= 29.Nd5 Rd5 (29...Qd5 30.Red1 a6 31.Qh4=) 30.Qf6 (30.Qf8 Rd8 31.Qf7 b5+-) 30...b5 31.Qg6 (31.Rac1 Qb6 32.Re4 Ne8 33.Qg6 Rd4+=) 31...Qb6= 32.Kh1 b4 (32...Qd4 33.Qg8 Kb7 34.Qg3=) 33.Qc2 (33.Qf6 a5 34.Re4 Qd6=) 33...c3 (33...Qd4 34.Qb1 a5 35.Re4=+) 34.Rab1 (34.Qh7 Qd4 (worse 34...Rd4 35.f5=) 35.Re4 Qc5=) 34...Rd4=+ 35.f5 (better 35.Re5=+) 35...ef5 (better 35...Rd2 36.Qe4 b3-/+) 36.Qf5+= Kb7 37.h3 (37.Qh5 c2 38.Rbc1 b3 39.Qf3 Kc8=) 37...a5= 38.Rec1 (38.Qh5 a4=) 38...Rc4 (38...Qb5 39.Qf3 Qc6 40.Qh5=+) 39.Qh5 a4 40.Qf3 Qc6 41.Rc3 Qf3 42.Rf3 Kc6 43.g4 Ne6 44.Re1 (44.Rf6 Kd5=) 44...Nf4 (44...Nd4 45.Rf8 b3 46.g5=) 45.Ree3 (45.g5 Kc5+=) 45...Nd5 46.Re6 (46.Rd3 Rc2=) 46...Kc5 (46...Kb5 47.Re8=) 47.Ra6=+ Kb5 48.Rd6 (48.Ra8 b3 49.Rf5 Rc5 50.Rb8 Nb6-/+) 48...Nc3 49.Rf5 Rc5 50.Rd8? (50.Rff6 a3 51.Rb6 Ka4-/+) 50...Kc4 (50...Rf5 51.gf5 a3 52.Rb8 Kc4 53.Rc8 Kb3 54.Ra8-+) 51.Rb8? (51.Rf4 Kb3 52.Rb8 Nd5=+) 51...Nb5?? (better 51...Rf5 52.gf5 a3 53.Rc8 Kb3-+) 52.Rf1 (52.Ra8!? a3 53.Kg2=) 52...b3 53.h4 (better 53.Rf4 Nd4 54.Rd8=+) 53...b2-+ 54.g5 Kb4 (better 54...a3 55.g6 Rc7-+) 55.Re8?? (better 55.Kh2 a3 56.Ra8-+) 55...Rc1 56.Ree1 Re1 57.Re1 a3 58.g6 (58.Kh2 a2 59.Re4 Kc3-+) 58...a2 59.g7 b1Q 60.g8Q Qe1 61.Kg2 Qd2 (61...Qe4 62.Kh2 a1Q 63.Qf8 Ka4 64.Qa8 Qa8 65.Kg3 Qe1 66.Kh3 Qf3 67.Kh2 Qef2) 62.Kg3 Qe3 63.Kg2 Qe4 (63...a1Q 64.Qf8 Kc3 65.Qf6 Nd4 66.Qf2 Qa8 67.Kg1 Ne2 68.Kh2 Qf2 69.Kh3 Qaf3) 64.Kg3 (64.Kg1 a1Q 65.Kh2 Qh4 66.Kg2 Qah1) 64...Qe5 (64...a1Q 65.Qf8 Ka4 66.Qf2 Qa3 67.Kh2 Qd6 68.Kg1 Qg4 69.Kh1 Qh3 70.Kg1 Qg6 71.Qg3 Qgg3) 65.Kg4-+ Qd4 66.Kh5 a1Q (66...a1Q 67.Qf8 Ka5 68.Qa8 Na7 69.Qd8 Qd8 70.Kg4 Qad4 71.Kf3 Q8h4 72.Ke2 Qhf2) 0–1. Rusan,Paul_Cristian (2280) – Kutnik,Alexandru_Francisc (2225), CAMPIONATUL NATIONAL PE ECHIPE, 2010. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    5.ed5 ed5 6.c4 bc3! 7.Nc3 Nf6 8.Nf3 Be7 9.Bd3 0-0 10.h3 Nc6 11.0-0 Re8 12.Ne5 Bd6 13.f4 a6 14.Rc1 Bd7 15.g4 g6 16.Be2 Ne4 17.Ne4=+ de4 18.Bc4?? Rf8 19.Qe2 Be5 20.fe5+= Be6 21.Qe4 Bc4 22.Rc4 Rc8 23.d5+/- Ne7 24.Rc8 Nc8 25.Rf6 Ne7 26.Rd6 Qa5+= 27.Qd4 0–1. Schaffranietz,Horst (1895) – Schamberger,Alfons (2060), Regionalliga SW9899, 1999.

    5.ed5 ed5 6.Bd3 Nf6 7.Nf3 Bd6 8.0-0 0-0 9.a3 Nc6 10.Re1 Bg4 11.h3 Bh5 12.c4 bc3! 13.Bc3 (13.Nc3 Bf3 Combination; 13.Bc3 Bf3 Combination) 13...Qb6 14.Kh1? (14.Nbd2!?-/+) 14...Rfe8 15.Be2? (better is 15.Nbd2-+) 15...Ne4 16.Kg1 Bf3 (better is 16...Re6!? 17.Nh4 Be2 18.Re2-+) 17.Bf3 Nc3 18.Nc3 Re1 (18...Qd4?! 19.Qd4 Nd4 20.Bd5 Re1 21.Re1-/+) 19.Qe1 Nd4 20.Rb1 (better is 20.Nd5 Nf3 21.gf3-+) 20...Nf3 21.gf3 Qc6 22.Qd2 Ba3 23.Qd3 (23.Rb3 Bc5 24.Nd5 Re8-+) 23...b6 (better is 23...Rd8!? 24.Kf1-+) 24.Nd5 Bc5 25.Kf1 Qh6 26.Kg2 Qg5 27.Kf1 Qh4 28.Ne3 Qh3 29.Ke2 Qh6 30.Rd1 Re8 31.Rf1 Qh2 32.Kd1 Qe5 33.Ke2 Qb2 34.Kd1 Be3 35.fe3 Rc8 36.Qd2 Qd2 37.Kd2 a5 38.Rb1 Rc6 39.Kd3 Kf8 40.Kd4 Ke7 41.e4 Kd6 42.e5 Kc7 43.f4 g6 44.Rh1 h5 45.f5 Kb7 46.Kd5 gf5 47.Rh5 Rc7 48.Rf5 b5 49.Rf3 b4 50.Rb3 Kb6 51.Kd6 Rc6 52.Ke7 Re6 53.Kf8 Re5 54.Kf7 Kb5 55.Kf6 Rc5 56.Ke6 a4 57.Rb2 a3 58.Ra2 Ka4 59.Kd6 Rc3 60.Kd5 b3 61.Ra1 a2 62.Kd4 Rc7 63.Kd3 Ka3 64.Kd2 b2 65.Re1 a1Q 66.Re3 Ka2 67.Re4 Qc1 68.Ke2 Rc2 69.Kf3 Qf1 70.Kg4 Rg2 71.Kh5 Qf5 72.Kh4 Qh7# 0–1. Strozyk,Aleksandra – Pietrzak,Martyna (1795), Wielkopolska III Liga Juniorow Poland, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    5.ed5 ed5 6.Nf3 Bg4 7.Bb5 Nc6 8.0-0 Bd6 9.a3 a6 10.Re1 Nge7 11.Bd3 Qc8 12.c4 0-0 13.Nbd2 ba3 14.Ba3 Ba3 15.Ra3 Bf5 16.cd5 Nd5 17.Ne4 Rd8 18.Bb1 Bg6 19.Neg5 Qd7 20.Nh7?? (better is 20.Bg6 hg6 21.Qb3+=) 20...Bh7-+ 21.Bh7 Kh7 22.Ng5 Kg8 23.Rh3 (23.Qb1 Nf6 (23...Nd4?? 24.Qh7 Kf8 25.Qh8) 24.Rf3 Re8-+ (24...Qd4?! 25.Rf6 Qd3 26.Qb7-/+; 24...Nd4 25.Rf6 Ne2 26.Kf1+/-)) 23...Nf4 24.Rh4 Qd4 25.Qb3 Qd5 26.Qe3 Qg2 0–1. Faccia,Sergio – De Bortoli,Peter (2090), Venice op, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    5.e5 Ne7 6.a3 Nec6 (6...Nf5!?-/+) 7.ab4 (7.Nf3 Qb6=+) 7...Bb4 8.c3 Be7 9.Bd3 Nd7 10.Nd2 (10.Nf3 0-0=+) 10...f5 (10...a5 11.Ngf3=+) 11.Nh3 (11.Ngf3 0-0=+) 11...0-0 12.Nf4 Nb6 13.h4 a5 (13...Bh4 14.Qh5 g5 15.Ne2+-) 14.Nf3 (14.Ba3 Ba3 15.Ra3 a4=+) 14...g6 (14...a4 15.Ba3-/+) 15.Ng5=+ Bg5 16.hg5 Bd7 (16...Qg5!? 17.g3 a4=+) 17.Qf3 Rf7 18.Qh3 (18.Qg3 a4=+) 18...Rg7 (18...a4 19.Qh6=) 19.Bc1 (19.Qh6 Qc7=) 19...Nc4 (19...a4 20.Qg3=+) 20.g4 (20.0-0=) 20...Ne7 (20...fg4 21.Qg2 Ne7-/+ (21...Qg5?? 22.Nd5 N4e5 23.Bg5 Nf3 24.Kd1 ed5 25.Be3+-)) 21.gf5+= ef5 22.Qf3 (22.Rb1 Qc8 23.Bc4 Qc4 24.Rb7 Bb5+=) 22...Qc8 (22...a4 23.Nd5 Ne5 24.Nf6 (24.de5?! Bc6 25.Nf6 Kh8=) 24...Kf8 25.de5+-) 23.0-0 ½–½. Nguyen,Huy Dat (2085) – Polster,Christian (2170), Deutsche Laendermeisterschaft, 2016. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    5.e5 Ne7 6.Qg4 Nbc6 7.Nf3 h5 8.Qf4 Nf5 9.Bd3 Be7 10.h4 b6 11.a3 Bd7 12.Nbd2 Rc8 13.Bf5 ef5 14.0-0 a5 15.ab4 (15.Rfc1!?=+) 15...Nb4-+ (15...Bb4?! 16.c3 Be7 17.Rfd1=+; 15...ab4?! 16.Rfb1=) 16.Ba3 Rc2 17.Rfc1? (better 17.Rfd1-/+) 17...Nd3-+ 18.Qe3 (18.Qg3 Nc1 (18...Rc1?! 19.Bc1 Qc8 20.Qg7-+) 19.Rc1 Rc1 (19...Ba3?! 20.Rc2 0-0 21.Ng5-+) 20.Bc1 Qc8-+) 18...Nc1 (18...Rc1?! 19.Bc1 Nc1 20.Rc1 Bh4 21.Qb3-+) 19.Bc1 (19.Rc1 Rc1 20.Bc1 Bh4-+) 19...0-0 (19...Bh4 20.Qb3 Qc7 21.Nh4 Rc1 22.Rc1 Qc1 23.Nf1-+) 20.Ne1 (20.Ba3 Ba3 21.Ra3 Qe7-+) 20...Rc8 21.Nd3 (21.Qe2 Bh4 22.Qh5 Qg5-+) 21...Bh4 22.g3 (22.Nf3 Rc3-+) 22...Bg5 23.f4 Be7 24.Kg2 Rc2 25.Ne1 Qc7 (better 25...Rc6 26.Ba3-+) 26.Nc2 Qc2 27.Kf3 (27.Ba3 Ba3 28.Ra3 Rc8-+) 27...g6 (better 27...Rc8!? 28.Ba3 Rc3 29.Rc1 Re3 30.Ke3 Qd2 31.Kd2 Ba3 32.Rc7-+) 28.Ba3 Rc8 (better 28...Ba3 29.Ra3 Rc8-+) 29.Be7?? (29.Rc1 Qc1 30.Bc1 Rc1 31.Qb3-+) 29...Rc3 30.Rg1 (30.Ra3 Qd1 31.Kf2 Re3 32.Re3 Bb5-+) 30…Qd2 (30...Qd2 31.Qc3 Qc3 32.Kg2 Qd4-+) 0-1. Nadimifar,A (2210) - Keinanen,Toivo (2460), Titled Arena May 8th, 2021. (=1.e4 B20: Sicilian: Unusual White 2nd moves 1...c5 2.b4 cb4 3.Bb2 e6)

    5.e5 Nh6 6.h4 Be7 7.g3 Nc6 8.Bd3 Qb6 9.g4 Bd7 (9...Nd4 10.Bd4 Bc5 11.Bc5 Qc5 12.g5+/-) 10.g5 Nf5 11.Bf5 ef5 12.f4 Na5 13.Nd2 Rc8 14.Ngf3 Qb5 15.Rh3 Nc4 16.Nc4 Qc4 17.Kd2 a5 18.Ne1 a4 19.Rd3 a3 20.Bc1 Ba4 21.h5 Bd8 22.h6 g6 23.Qf3 Ba5 24.Ke3 Ke7 25.Bd2 Rhd8 26.Qf2 Qa6 27.Rb1 Rc4 28.Qg2 Ke6 29.Qf3 Rdc8 30.Qh1 Qa7 31.Qh3 R8c6 32.Qh1 Bb5 (32...Bc2 33.Nc2 Rc2 34.Bb4 Ra2 35.Qe1-+) 33.c3 bc3?? (better is 33...Ba6 34.Rb4 Rb4 35.cb4 Bb6-+) 34.Rb5= R6c5?? (better is 34...cd2 35.Qd5 Ke7+=) 35.dc5+- Rc5 36.Rc5 Qc5 37.Ke2 cd2 38.Nf3 Qc4 39.Qb1 Qc1?? (39...Qe4 40.Kf2 b6+-) 40.Nd4 Kd7 41.Qb7 Ke8 42.Qc6 Ke7 43.Qd6 Ke8 44.Qb8 Ke7 45.Qb7 Ke8 46.Qb5 (better is 46.Qa8 Bd8 47.Qc6 Ke7 48.Rd2+-) 46...Kf8+/- 47.Qb8 Ke7 48.Qb7 Ke8= ½–½. De Mayolas,Flavio – Esteban,Fernando, Ushuaia Provincial–ch, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    5.e5 Nc6

    6.Bd3 Na5 7.Nd2=+ Qc7 8.Qe2 Bd7 9.Ngf3 Rc8 10.0-0 Nc4 11.Bc1 (11.Nc4 dc4 12.Be4 a6=) 11...h6 (11...Bb5 12.a3=+) 12.Rb1 (12.Nc4 dc4 13.Be4 Bc6=) 12...a5 13.Ne1 (13.Nc4 dc4 14.Be4 Bc6=+) 13...Ne7 14.f4 Nf5 15.Ndf3 Qb6 (15...b5 16.Qf2-/+) 16.Qf2 (16.c3 Qa7 17.g4 Ne7 18.cb4 ab4-/+) 16...Rg8 (16...Qc6 17.Bf5 ef5 18.Nd2-/+) 17.g4 (17.c3 Qc7 18.g4 Ne7 19.cb4 ab4 20.Rb4 f5=+) 17...Ne7-/+ 18.a3 Nc6 19.Kh1 (19.Bc4 dc4 20.ab4 Qb5-/+ (worse 20...Bb4 21.c3+/-; worse 20...Nb4 21.c3+=)) 19...Qd8 20.f5 (20.Nd2 b5 21.f5 Be7-/+) 20...ba3-+ 21.g5 ef5 22.gh6 gh6 23.Ng2 Nb4 24.Nfh4 Be6 (24...Qb6 25.Bf5 Qc7 26.Bg6-/+) 25.Bf5 Qd7 26.Be6 (26.Bh7 Rh8 27.Bf5 Bf5 28.Nf5 Rc6-+) 26...Qe6 (better 26...fe6!? 27.Nf4 Qf7-+) 27.Nf4-/+ Qg4 28.c3 Nc2?? (better 28...Be7 29.Nhg2 Qf5-/+) 29.Qc2+- Qh4?? (29...Qd7+-) 30.Rb7 Qg4 (30...Nb6 31.Nd5 Qh3+-) 31.Qa4 Kd8 32.e6 Rc7 (32...Qg2 33.Ng2 Ne5 34.Rd7 Ke8 35.ef7 Nf7 36.Rc7 Kd8 37.Qd7) 33.Rb8 Ke7 34.Nd5 Kd6 (34...Ke6 35.Nc7 Kd6 36.Rf6 Qe6 37.Re6 fe6 38.Ne8 Ke7 39.Rb7 Kd8 40.Qd7) 35.Rd8 Ke6 36.Rf6 1-0. Nadimifar,A (2210) - Iniyan,P (2505), Titled Tuesday, 2021. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    6.Bd3 Bd7 7.Ne2 Qb6 8.0-0 f6 9.Nd2 fe5 10.de5 0-0-0 (10...Bc5 11.Nf4 Nh6 12.Qh5 Nf7 13.Bh7+=) 11.Kh1 (11.c4!?=) 11...g5 12.f4 Bg7 (12...Nh6 13.h3 g4 14.h4=+) 13.Nf3= gf4 14.Nf4 Nge7 15.Nh5 Bh6 16.Nf6 (16.a3 Be3=) 16...Ng6 17.Bg6 (17.c4 bc3 18.Bc3 Be3=) 17...hg6=+ 18.Qd3 Ne7 19.Bd4 Qa5 (19...Qa6!? 20.Nd7 Kd7 21.Qa6 ba6=+) 20.Nd7= Rd7 21.a3 b3 22.cb3 Nf5 23.g4 Ne7 24.b4 Qa4 25.Bc5 Bf4 26.Ra2 g5 27.Bd6 Nc6 28.Rc2 a6 29.Rff2 Rdh7 30.Qg6 Attacks the isolani on g5 30...Kd7 31.Qd3 (31.Nd4! Rh2 32.Rh2 Rh2 33.Kg1 Be3 34.Kh2 Qc2 35.Qc2 Bd4 36.Qh7 Ke8 37.Qb7 Be5 38.Be5 Ne5 39.Qb8 Kd7 40.Qe5+-) 31...Rh3 32.Kg1 Qb5 (32...Kd8 33.Qg6 R3h6 34.Qg7+=) 33.Qb5 (better 33.Qg6 Be3 34.Qg7 Kd8 35.Ng5 Bg5 36.Qg5 Kc8 37.Qe7+-) 33...ab5=+ 34.a4? (34.Rf1!?=+) 34...ba4-/+ 35.b5 Be3 (better 35...Na5!? 36.Rc7 Kd8-/+) 36.bc6= bc6 37.Kg2 Bf2 38.Rf2 R3h7 39.Rb2 c5 40.Bc5 Kc6 41.Bd6 d4 (better 41...Ra7!?+/-) 42.Nd4+- Kd5 43.Nf3 Ra7 44.Ng5 Rg7 45.h4! Rh4 46.Kg3 Rh1 47.Nf3 (47.Rd2 Kc4 48.Rd4 Kd4 49.Ne6 Ke4 50.Ng7 Rg1 51.Kh4 Kf3+-) 47...Ra1 48.Rc2 Ra7 49.Kf4 Ra5 50.Rd2 Kc4 51.Rd4 Kb3 52.g5 1-0. Stoppel,M (1965) - Mirski,M (1995), Jastrzebia Gora POL, 2019. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    6.Bd3 Nge7 7.a3 Ng6 8.ab4 Bb4 9.c3 Be7 10.g3 0-0 11.h4 Bd7 12.h5=+ Nh8 13.Qc2= g6 14.Qd2 Na5 15.Qh6?? Bg5-+ 16.Qg5 Qg5 17.Ra5 Qd8 18.Ra2 f6 19.Ba3 Rf7 20.ef6 Rf6 21.hg6 Ng6 22.f4 a6 23.Rah2-/+ Bb5 24.Bc2 Qc7-+ 25.Nf3 Qc4 26.Bb4 a5-+ 27.Nbd2? Qa2 28.Bg6 Rg6 29.Bd6?? Bd3 30.Rh7-/+ Qa1?? 31.Kf2+- Qh1 32.Rh1 a4? 33.Ne5 a3 34.Nd3 a2 35.Ra1 Rh6 36.Nf3 1–0. Knudsen,J (2015) – Rosenkilde,Alexander, 25th Politiken Cup (10), 2003.

    6.Bd3 Nh6 7.Nf3 Be7 8.0-0 0-0 9.h3 f6 10.Nbd2 Bd7 11.Nb3 b6 12.Bc1 a5 13.Bh6=+ gh6 14.Qd2 Kg7 15.Rae1 a4-/+ 16.Nc1 fe5 17.Ne5 Ne5 18.de5 Qc7 19.Re3 Bg5 20.Rg3=+ Kh8 21.Rg5 hg5-+ 22.Qg5 Rf7 23.Ne2 Rg8 24.Qh5 Be8 25.Ng3?? Rg3! 26.Bh7 Rh7 27.Qe8 Rg8 28.Qe6 Qf7 (28...Qf7 29.Qf7 Rf7-+) 0–1. Reh,Stefan – Glek,Igor V (2565), Bad Zwesten op (1), 1999.

    6.Nf3 Bd7 7.Nbd2 a6 Prevents intrusion on b5 8.Bd3 Na7 (8...Nh6 9.Nf1=) 9.Nf1 Bb5 10.Ne3 Bd3 11.Qd3 Nc6 12.0-0 h5 13.Nd2 Nh6 Black should quickly conclude development. 14.f4 g6 Consolidates f5 15.Nf3 Be7 16.a3 ba3 17.Ba3 Ba3 18.Ra3 b5 19.Rfa1 Qb6 20.h3 Covers g4 (20.c3 Ng4=) 20...Nf5 21.Nf5 gf5 22.c3 Consolidates b4 22...Ke7 Black loses the right to castle 23.Qe2 a5 24.Kh1 Qb7 25.Ne1 (25.Qf2 Rag8=) 25...b4+= 26.cb4 ab4 27.Ra8 Ra8 28.Ra8 Qa8 29.Qb5 Qa1?? Black is ruining his position (better is 29...Kf8-/+) 30.Qc5+- Kd7 1–0. Baumert,Christian (2175) – Moehring,Guenther (2315), Berlin–ch, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    6.Nf3 Bd7 7.Bd3 Nge7 8.Nbd2 Ng6 9.g3 f6 10.0-0 fe5 11.de5 (11.Ne5 Nge5 12.de5 g6=+) 11...Be7 (11...Bc5 12.h4=+) 12.Nb3 (better 12.h4!?=) 12...0-0-/+ 13.Bg6 (13.Re1 a5-/+) 13...hg6 14.Qd3 g5 15.Rae1 Qb6 (15...a5 16.h3-+) 16.Nbd4 (16.h3!?-/+) 16...g4-+ 17.Nd2 Nd4 18.Bd4 Qa6 19.Qa6 ba6 20.Rb1 Rfc8 21.Rfc1 Rc7 22.c4 (22.Rb2 a5-+) 22...Rac8 23.c5 a5 24.Nb3 (24.Rb2 Kf7-+) 24...a4 25.Na5 (25.Nd2 a5 26.Rb2-+) 25...Bc5 26.Bc5 Rc5 27.Rc5 Rc5 28.Nb7 Rc2 29.Rb4 (29.Na5 b3 30.ab3 a3-+) 29…d4 (29...d4 30.Nd8 d3-+) 0–1. UncleBulgaria (2365) – Steve Tomporowski (2815), ChessWorld.net, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 d5)

    4.d4 d6

    5.a3 Nf6 6.Nd2 ba3 7.Ba3 Be7 8.Ngf3 Nc6 9.Bd3 0-0 10.0-0 b6 11.e5 de5 12.Be7 Qe7 13.de5 Nd5 14.c4 Nf4 15.Bb1 Rd8 16.Qc2 g6?? 17.Qe4+/- Ng2 18.Kg2 Bb7 19.Qe3 Ne5 20.Be4 Be4 21.Qe4 Nf3 22.Nf3 Rac8 23.Rfd1 Rd1 24.Rd1 Qc7 25.Ne5 Rd8 26.Re1 Qd6 27.Qb7+/- Rf8 28.Qa7 f6? 29.Qd7+- Rd8 30.Qf7 Kh8 31.Qf6 Kg8 32.Qf7 Kh8 33.Nf3 Rf8 34.Ng5 Rf7?? 35.Nf7+- Kg7 36.Nd6 1–0. Loehr,Holger – Schmenger,Lisa, Berliner Sommer (4), 1995.

    5.Bd3 Nf6 6.f4 Be7 7.Nf3 0-0 8.0-0 Nc6 9.Nbd2 Qb6 10.Qe2 d5 11.e5 Ne8 12.g4 f5 13.gf5 ef5 14.Kh1 Be6 15.Rg1 Rc8 16.Rg3 Na5 17.Rag1 Nc4 18.Qg2 Rf7 19.Nc4 dc4 20.Be2 c3 21.Bc1 Bd5 22.Qf2? (better is 22.Be3-+) 22...Bh4 (22...Ba2?! 23.Ng5 Bg5 24.fg5 Bd5 25.Bf3-+) 23.Rg7 Rg7 24.Rg7 Ng7 (24...Kg7?! 25.Qh4 Kh8 26.Kg1-+) 25.Qh4 Qd4 26.Kg2 Qb6 27.a3 b3 28.cb3 Qb3 29.Kf2 (29.Qf2 Ne6-+) 29...Qc2 30.Ng5 (30.Be3 Qb2 31.Nd4-+) 30...h5 31.Be3 Bc4 (31...Bc4 32.Kg2 Qe2 33.Qf2 Bd5 34.Nf3 Bf3 35.Kg3 Qd1-+) 0–1. Shtembuliak,Evgeny (2075) – Basko,Bogdan, UKR–ch U12 Nikolaev, 2008. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    4.d4 Nf6

    5.Nd2 Be7 6.h3 0-0 7.Bd3 d6 8.Ne2 Nc6 9.c3 bc3 10.Bc3 Bd7 11.0-0 Rc8 12.Nf3 d5 13.e5 Ne4 14.Be4 de4 15.Nd2 Nb4 16.Ne4 Bc6 17.Qb1 Nd5 18.a3 Nc3 19.N4c3 Qa5 20.Qd3 Rfd8 (20...Ba3? 21.Rfb1+-) 21.Qe3 b6 (worse is 21...Ba3 22.Nd1 Qd5 23.Nf4 Qd4 24.Ra3+=) 22.Rfb1 Qa6 (22...Ba3? 23.Rb3 Bb4 24.Ra5 Ba5 25.Ne4+-) 23.a4 Ba8 24.f3 Rd7 25.Ne4 Rcd8 26.Rd1 Qa5 27.Kh2 Bb7 28.Kg1 Ba6 29.N2g3 Qb4 30.Kh2 Rd4 31.Re1 R8d5 32.Nf6?? (better is 32.Rec1-+) 32...gf6 33.Qh6 Qd2 (33...Bf8 34.Qf6 Bg7 35.Qg5-+) 34.f4 (34.Qd2 Rd2 35.Ne4 fe5 36.Nd2 Rd2 37.a5-+) 34...Qf4 35.Qf4 Rf4 36.ef6 Bf6 37.Rac1 (37.Ra3 Be5 38.Kh1 Rfd4-+) 37...Rc4 (better is 37...Ra4!? 38.Ne4 Be5 39.Kg1-+) 38.Rc4 Bc4 39.Rc1 Rd4 40.Kh1 Bg5 41.Rc2 Kg7 42.Nh5 (42.Ne2 Be2 43.Re2 Ra4-+) 42...Kg6 43.Ng3 Bd5 44.Rc7 Rd2 (44...Rd2 45.Kg1 Rg2 46.Kf1 Rg3-+) 0–1. Mueller,Herbert1 – Hoefer,Hans Otto (2175), Wuerttemberg–ch Seniors 7th, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 Nf6)

    5.Bd3 Nc6 6.f4 d5-/+ 7.e5 Ne4 8.Nf3 Be7 9.0-0 0-0 10.Nbd2 Nc3 11.Qe1 f5 12.ef6 Bf6 13.Nb3 Bd7 14.Bc3= bc3 15.Qc3 Rc8 16.Qd2 Kh8 17.Kh1 Qe7 18.c3 b6 19.Rae1 Qa3 20.Ng5 Bg5 21.fg5 Qe7 22.g6 h6 23.Qe3 Kg8 24.Kg1 Rf1 25.Rf1 Rf8 26.Qg3 Rf6 27.Nd2 e5 28.de5 Qe5=+ 29.Qe5 Ne5 30.Bc2 Rf1 31.Kf1 Be8 32.Bb3 Bg6 33.Bd5= Kf8 34.Ke2 Ke7 35.Ne4 Bf5 36.h3 Be6 37.Be6 Ke6 38.Ke3 Kd5 ½–½. Meczynski,Waldemar (2205) – Babik,Tomasz, Poland–chB Bielsko–Biala (3), 1991.

    5.Bd3 d5 6.e5 Nfd7 7.a3 ba3 8.Na3 Nc6 9.c3 Ne7 10.Nb5= Nc6 11.h4 a6-/+ 12.h5 Nb6 13.Na3 Qg5 14.g4 h6 15.Nh3 Qd8 16.Bc1 Bd7 17.Qf3 Qe7 18.g5=+ 0-0-0 19.g6 f6 20.Qe2 f5?? 21.Ba6+- Na5 22.Rb1 Na4?? 23.Bb5 Nc3? 24.Qc2+- Bb5 25.Rb5 Qc7= 26.Ra5 Qa5 27.Nb5?? Bb4 28.Bd2?? Kb8 29.Bc3 Rc8 30.Kd2?? Bc3 31.Nc3+= Rc4 32.Nf4?? Rd4-+ 33.Ke3? Qb6 34.Kf3 Rc8 35.Nfe2-/+ Rdc4 36.Rb1 Qd8?? 37.Qb2 R8c7 38.Nb5 Rc2? 39.Qa3 R7c6?? 40.Qa7 Kc8 41.Nd6 Kd7 42.Rb7 Rc7 43.Qa4 R2c6 44.Nd4 Qh4 45.Qc6 Kd8 46.Qe8 (46.Qc7) 1–0. Stahl,Heinz (1740) – Polk,Maria, Bayern–ch Seniors op (2), 1997.

    5.Bd3 d5 6.e5 Nfd7 7.Qg4 g6 8.Nf3 Nc6 9.0-0 Bg7 10.a3 0-0 11.Nbd2 f5 12.Qg3 Re8 13.h4 (13.Be2 Qb6=) 13...Nf8 (13...ba3 14.Ra3 Nb4 15.Rfa1+=) 14.Qh3 Bh6 15.Qg3 Kh8 (15...ba3 16.Ra3 Nb4 17.Rfa1+=) 16.Ng5 Bg5 17.hg5 Bd7 18.Qf4 h6 (18...Qc7 19.Rfb1+=) 19.Nf3 (19.gh6 ba3 20.Ra3 Nb4+/-) 19...Nh7 (better is 19...hg5 20.Ng5 Kg8+=) 20.Bc1?? (better is 20.gh6 g5 21.Qg3+/-) 20...hg5 21.Ng5 Ng5 22.Qh4?? (better is 22.Qg5 Qg5 23.Bg5+=) 22...Nh7-+ 23.Bg5 Qg5 (23...Qg5 24.Qg5 Ng5-+) 0–1. Penoyer,F – Becker,A, Kolty Club Championship, 1992. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 Nf6)

    5.Bd3 Be7 6.Ne2 0-0 7.0-0 (7.e5 Ne8=) 7...Nc6 (7...d6 8.Nd2+=) 8.Kh1 (8.e5 Ne8=) 8...d5 9.e5 White threatens to win material: e5xf6 9...Nd7 10.Nd2 b6 (10...Nb6 11.a4+=) 11.f4 f6 (11...a6 12.f5 ef5 13.Ng3= (worse is 13.Bf5 b5-/+; worse is 13.Rf5 b5-/+)) 12.Ng3 (12.Nf3 Bb7+=) 12...fe5 13.fe5 Bb7?? allows the opponent back into the game (better is 13...Rf1 the only rescuing move 14.Bf1 Bh4+=) 14.Qh5+- g6 (14...Rf5 otherwise it's curtains at once 15.Nf5 ef5 16.Qf5 Nf8+-) 15.Bg6 hg6 16.Qg6 Kh8 17.Qh6 Kg8 18.Nh5 Rf1 19.Rf1 Bf8 20.Qg6 Kh8 21.Rf7 (21.Rf7 Nf6 22.ef6 Ba6 23.Rh7) 1–0. Novy,Jaroslav (1715) – Palkova,Katerina, Klatovy op–B, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 Nf6)

    5.Bd3 Be7 6.f4 Nc6 7.Nd2 a6 8.Qf3 Na5 9.d5 d6 10.de6 Be6 11.f5 Bc8 12.g4 Nd7 13.Ne2 Ne5 14.Qg2 Bh4 15.Kf1 b5 16.Be5 de5 17.Nf3 Be7 18.Qg3 f6 19.g5 Bb7 20.Qg4 0-0 21.h4 Rc8 22.h5? (better is 22.gf6!? Bf6 23.Ng5-+) 22...Nc4 23.Bc4 Rc4 (23...bc4?! 24.h6 fg5 25.hg7-+) 24.h6 fg5?? (24...Re4 25.Qh3 Re3-+ (25...fg5? 26.hg7 Rh4 27.gf8R Qf8 28.Nh4 Bh1 29.Qh1+-)) 25.hg7-/+ Rf7 (25...Kg7 26.Qh5 Rh8 27.Ne5+-) 26.Rh7? (better is 26.Ne5 Re4 27.Nf7 Rg4 28.Nd8 Bh1 29.Ne6-+) 26...Rg7 (better is 26...Kh7 27.Qh5 Kg7 28.Ne5 Rf6 29.Qg5 Kh7 30.Qh5 Rh6 31.Qh6 Kh6 32.Nf7 Kh5 33.Nd8 Bd8 34.Nf4 Kg4-+) 27.Rh6-/+ Bf6 28.Qh5 Rd7?? 29.Rf6! Qf6 30.Qe8 Qf8 31.Qd7 Be4 32.Qe6 Qf7 33.Qf7 Kf7 34.Ne5 Kf6 35.Nc4 bc4 36.Rc1 Bf5 37.Kf2 Ke5 38.Ke3 a5 39.Nd4 Bd7 40.Nf3 Kf5 41.Rd1 Ba4 42.Rd5 Kf6 43.Rg5 Bc2 44.Ra5 1–0. Kramps,Rene (2010) – Miersch,Marco (2175), Rostock PSV op, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.d4 Nf6)

    4.Nf3 Nc6

    5.a3 Nf6 6.d3 (6.e5 Ne4=+) 6...ba3-/+ 7.Na3 d5 8.ed5 Nd5 9.g3 (better 9.c3!?-/+) 9...Bb4-+ 10.Nd2 Nc3 11.Qg4 0-0 12.Bg2 e5 13.Qh5 g6 14.Qh6 Nd4 15.0-0 (15.Ndc4-+) 15...Nf5 16.Qh3 0–1. mizuzul (2205) – Bazza3 (2610), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.Nf3 Nc6)

    5.c4 bc3 6.Nc3 Bb4 7.Nb5 Nf6 8.a3 Be7 9.e5 Nd5 10.Bc4 Nb6 11.Ba2 0-0 12.h4 a6 13.Nd6 Qc7 14.Ne4 d5 15.ed6 Bd6 16.Rc1 Qe7 17.h5? Ba3-+ 18.Qb3 Bb2 19.Qb2 Nb4 20.Bb1 h6 21.Rh3 f5 22.Nc5 N6d5 23.Ne5 a5 24.Ng6 Qf6 25.d4 Rf7 26.Ne5 Re7 27.Rf3 b6 28.Ne4-/+ Qh4 29.Rh3= Qf4 30.Ng6 Qg4?? 31.f3 Qg6 32.hg6 fe4 33.fe4 Nf4 34.Rhc3 Ba6+/- 35.g3 Ng6 36.Rc7 Rf8 37.R7c4?? Ref7 38.Qg2 a4?? 39.Rb4+/- Rf1 40.Qf1 Rf1+= 41.Kd2 Rf2 42.Ke3+- Re2 43.Kf3 Rh2 44.Ra4 Be2 45.Ke3 Bg4 46.Ra2 Rh3 47.Rg1 h5 48.e5 Ne7 49.Ra8 Kf7 50.Kf4 b5 51.Ra7 b4 52.Rc1 g5? 53.Kg5 Rg3 54.Bg6 Kf8 55.Bh5 Bf5 56.Kf4 Rh3 57.Bg4 Rh4 58.Rg1 b3 59.Rb7 Bc2?! 60.Kg5 Rh7 61.Kf6 Nd5-+ 62.Ke6 Rb7 63.Kd5 b2 64.Rf1 Ke7 65.Bh5 b1Q 66.Rf7?? Kd8 (66...Kd8 67.Rf8 Kc7 68.Rf7 Kb8 69.Rb7 Qb7 70.Kc4 Kc7-+) 0–1. Bishop,P (1855) – Urbaniak,P (2005), Kaupthing Open (8), 2008.

    5.d4 d5 6.ed5 Qd5 7.c4 bc3 8.Nc3 Qa5 9.d5 Bb4 (better is 9...Ba3 10.Bc1 (10.Qe2 Bb2 11.Qb2 ed5-+ 12.Bb5 Nf6 13.0-0 0-0 14.Rad1-+ –1.72) 10...ed5 11.Bd2 Bb4 12.Rc1 Bg4 13.Be2 Nge7 14.a3-+ –1.50) 10.Qd2= ed5 11.a3 Bd6 (better is 11...Bf8 12.Nd5 Qd2 13.Kd2 (13.Nd2 Rb8 14.Bb5= –0.12) 13...Kd8= 14.Ng5= –0.09; 11...Bc5 12.Nd5 Qd2 13.Nd2 Kf8 14.Ne4= 0.00) 12.Nb5+- Qd2 13.Nd2 Be5? (better is 13...f6!? 14.Nd6 Ke7+/-) 14.Be5+- Ne5 15.Nc7 Kd8 16.Na8 Nc6 17.Bd3 b6 18.0-0 (better is 18.Rb1!?+-) 18...Bb7+/- 19.Nb6! ab6 20.Rab1 Kc7 21.Rfc1 Nge7 22.Rb3 Ra8 23.Nf3 Ra5 24.Ng5 f6 25.Ne6 Kd6 26.Ng7 Ba6 27.Ne8 Ke5 28.Re1 Kd4 29.Ba6 Ra6 30.Nf6 Kc4 31.Reb1 d4 32.Ne4 d3 33.Nd2 Kd4 34.Rc1 Ra4 35.Rcc3 Ne5 36.Nf3 Nf3 37.gf3 d2 38.Rd3 Kc4 39.Rbc3 Kb5 40.Rd2 Nc6 41.Rd5 (41.Rd5 Ka6 42.Rc6 Ra3 43.Rh5+-) 1–0. Buiza Prieto,Eihartze (1665) – Sanchez Gabin,A (1720), ch–ESP w Padron ESP, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    5.d4 d5 6.e5 Be7 7.Bd3 f6 8.0-0 Nh6 9.Bc1 Nf7 10.Nbd2 fe5 11.de5 Nce5 12.Ne5 Ne5 13.Qh5 Nf7 14.Bg6?? (better is 14.Bh7 Bf6 15.Rb1-/+) 14...hg6 15.Qg6 Qc7 16.Nf3 Bd6 17.h3 Qc3 18.Bg5 0-0 19.Rae1 Ne5 (19...Ng5 20.Ng5 Rf6 21.Qh7 Kf8 22.Qh8 Ke7 23.Qg7 Ke8 24.Ne6 Be6 25.Qg8 Kd7 26.Qa8-/+) 20.Ne5 Be5 21.Re3 Qd4 22.Rfe1 Bf6 23.Rf3 Bg5 24.Rf8 Kf8 25.Qg5 Qf6 26.Qg4 d4 27.Qh5 Ke7 (better is 27...b6!? 28.Qg4-+) 28.Qc5 Kf7 29.Qb4 a5 30.Qd6 Kg8 31.Re4 Ra6 32.Qc7? (32.Qd4 Qd4 33.Rd4-+) 32...Rc6 33.Qa5 Rc2 34.f3 d3 35.Qa4 Rc1 36.Kf2 d2 37.Qe8 Qf8 38.Qh5 d1Q 39.Kg3 Qfd6 40.Rf4 Qf4! 41.Kf4 Qd6 42.Kg4 e5 43.Kg3 e4 44.Kf2 0–1. Anderson,George – Kwiatek,Jordan (1720), Yanofsky Memorial, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    5.d4 d5 6.e5 Nge7 7.Bd3 Bd7 8.0-0 Na5 9.Nbd2=+ b5 10.c3 Nc4 11.Bc4 bc3 12.Bc3 bc4 13.Rb1 Nc6 14.Qc2 a5 15.Rb2 Ba3-+ 16.Rbb1 Nb4 17.Bb4 ab4 18.Qd1 Ba4 19.Qe2 Bc2 20.Rbe1?? Bd3-+ 21.Qd1 Bf1 22.Rf1 Qb6 23.Qc2 c3 24.Nb3 Bb2 0–1. Samedova,Z – Dimova,Desislava, EU–ch U12 Girls, 1992.

    4.Nf3 d5

    5.ed5 ed5 6.Bb5 Bd7 7.Bd7 Nd7 8.0-0 Ngf6 9.Re1 Be7 10.Qe2 Kf8 11.a3 ba3 12.Ba3 Ba3 13.Na3 a6 14.d3 g6 15.Qd2 Kg7 16.c3 Nc5 17.Nd4 Qd7 18.Nac2 Rhe8 19.Ne3 Ne6 20.Ne6 Re6 21.Nc2 Rae8 22.h3 R8e7 23.Nd4 Re1 24.Re1 Re1 25.Qe1 Qe8 26.Qd2 Qe5 27.Nf3 Qc7 28.Qb2 b5 29.Qb4 Qb6 30.Nd4 Nd7 31.Qe7 Nf6 32.Qb4 Qc7 33.Qb2 Kg8 34.Qb4 Qe5 35.Nf3 Qe2 36.Qd4 Qe6 37.Kh1 Nd7 38.Kg1 Qd6 39.Kh1 Qc5 40.Qg4 Nf8 41.Qg5 Qc3 42.Qd5 b4 43.Ne5 Qe1 44.Kh2 Qf2 45.Ng4 Qb2?? 46.Nh6= Kg7 47.Qf7 Kh6 48.Qf8 Qg7 49.Qb4 Qe5 50.Kh1 ½–½. Neidig,Heiner – Geib,Thorsten, Baden–ch HT1, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    5.ed5 ed5 6.Ne5 Nf6 7.Bb5 Nbd7 8.Qe2 Be7 9.Nd7 Bd7 10.Bf6 gf6 11.0-0 Bb5 12.Qb5 Qd7 13.Qd3 0-0 14.a3 a5 15.c3 Qe6 16.ab4 ab4 17.Ra8 Ra8 18.cb4 Bb4 19.Qb5 Qe7 (19...Bd6!?+=) 20.Qd5= Rd8 21.Qa2 Qe5 22.g3 (22.Qb3 Bd6 23.Qh3 b5=) 22...b5= 23.Rc1 Bc5 24.Qc2 Bb6 25.Qc6 Qd4 26.Qf3 b4 27.Rc6 Exerts pressure on the isolated pawn 27...Rd6 28.Rc8 Kg7 29.Kg2 b3 30.Nc3 (30.Rc3 b2=) 30...Re6 (better is 30...b2+=) 31.Nd5? (better is 31.Nd1 Qd2 32.Qb3=) 31...b2-/+ (31...Qd2 32.Qg4 (32.Qb3 Qf2 33.Kh3 Qf5 34.g4 Qf1 35.Kh4 Bf2 36.Qg3 Bg3 37.Kg3 Re2 38.Rg8 Kg8 39.Ne7 Kf8 40.Ng6 fg6 41.h4 Qf2 42.Kh3 Qe3) 32...Kh6 33.Nb6=) 32.Nc3 Re1 33.d3 Bc5 (better is 33...b1Q!? 34.Nb1 Rb1-+) 34.Ne4+= Rg1 (34...h5 35.Qh5 Re4 36.Qh8 Kg6 37.Qg8 Kh6 38.Qh8 Kg6 39.Qg8 Kh6 40.Qh8 Kg6=) 35.Kg1= b1Q Attacking the isolated pawn on d3 36.Kg2 Qbd3 37.Qg4 (37.Nc5 Qf3 38.Kf3 Qd5 39.Ke2 Qh5 40.Kd2 Qf5-+ (40...Qh2?! 41.Nd3-/+)) 37...Kh6 38.Qf4 Kg7 39.Qg4 (39.Nc5?? Qd5 40.Qe4 Q5e4 41.Ne4 Qe4 42.f3 Qe2 43.Kg1 Qf3-+) 39...Kh6 40.Qh4 Kg7 41.Qg4 (41.Nc5?? Qd5 42.Ne4 Q5e4 43.Qe4 Qe4 44.f3 Qe2 45.Kg1 Qf3-+) 41...Kh6 42.Qh4 Kg7 43.Qg4 (43.Nc5?? Qd5 44.Ne4 Q5e4 45.Qe4 Qe4 46.f3 Qe2 47.Kg1 Qf3-+) 43...Kh6 44.Qh4 ½–½. Euler,Gerd (2385) – Taimanov,Mark E (2405), Oberliga Ost–B, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    5.ed5 Qd5 6.c4 bc3 7.Nc3 Qd8 8.d4 Nf6-/+ 9.Bd3 Be7 10.0-0 0-0 11.Ne5 Nbd7 12.Kh1 a6 13.f4 g6 14.Rf3 Nb6 15.Ne4? Ne4-+ 16.Be4 Nd5 17.Rh3 Nf4-+ 18.Qg4? Nh3 19.gh3 f5 20.Qg2 Qe8 21.Bf3 Bf6 22.Re1 Kg7 23.Rc1 Be5 24.de5 Rf7 25.h4 Qd8 26.h5 g5 27.Ba3 Kh8 28.Bd6 g4 29.Bd1 Qg5 30.Rc3 Qh5 31.Ba4 Rg7 32.Bf8 Rg6 33.Be8 Qh4 34.Qc2 Rg8 35.Rc8 Rc8 36.Qc8 Rf8 37.Qe6 Qe1 38.Kg2-+ Qe2 39.Kg1 Qe1 40.Kg2 Qd2 41.Kg1 f4 (41...f4 42.Bb5 ab5 43.Qg4 f3 44.Kh1 Rg8 45.Qg8 Kg8 46.e6 Qd1) 0–1. Berza,Stefan (2070) – Tokos,Jozef, SVK–chT2, 1995.

    4.Nf3 Nf6

    5.d3 d5 6.Nbd2 Nc6 7.Be2 Be7 8.h3 0-0 9.e5 Nd7 10.d4 f6 11.0-0 Qc7 12.Nb3? fe5-+ 13.de5 Nde5 14.Re1 Ng6 15.Bb5 Nh4 16.Nbd4 Nf3 17.Nf3 Bf6 18.Bc6 bc6 19.Bf6 gf6 20.Qd2 c5 21.Nh4 a5 22.Qh6 Qg7 23.Qd2 Ra7 24.Re3 Qh8 25.Rg3 Rg7 26.Qe3 Rg3 27.fg3 Qg7 28.Kh2 d4 29.Qf4 e5 30.Qf2 f5 31.Re1 e4 0–1. gtate (1750) – epiglotis, net–chess.com, 2001.

    5.e5 Nd5

    6.a3 a6 7.ab4 Bb4 8.c4 Nf4 9.g3 Ng6 10.Bg2 Nc6 11.0-0 0-0 12.d4 d6 13.Qe2 de5 14.de5 Qc7 15.h4 h6 16.h5 Nge7 17.Nc3 Nf5 18.Ne4 Qb6 19.Rfd1 Rd8 20.Rd8 Qd8 21.Rd1 Qc7 22.g4 Nfe7 23.Nd6 Bd7 24.Qe3 b6 25.g5+= Bc5 26.Qf4+/- Nf5 27.Nf5 ef5 28.gh6 g6?? 29.hg6 fg6 30.h7! Kh7 31.Qh4 Kg8 32.e6! Be6 33.Qh8 (33.Qh8 Kf7 34.Ng5 Ke7 35.Bf6) 1–0. Muth,Armin – Sandmeier,Toni, GER–ch U18 Uelzen, 1970.

    6.c4 bc3 7.Nc3 Nc3 8.Bc3 b6 9.Be2 Be7 10.0-0 0-0 11.d4 Bb7 12.Bd3 Na6 13.a3 Nc7 14.Bd2 f5 15.ef6 Bf6 16.Ne5 Be5 (16...d6 17.Qh5 g6 (17...de5?? 18.Bh7 Kh8 19.Bg6 Kg8 20.Qh7) 18.Ng6 Rf7-/+ (18...hg6?? 19.Qg6 Bg7 20.Qh7 Kf7 21.Bg6 Kf6 22.h4+-)) 17.de5= Qh4 18.Rc1 Nd5 19.Rc4 Qe7 20.Qh5 g6 21.Rg4 Nf4 (21...Qa3?? 22.Rg6 hg6 23.Qg6 Kh8 24.Qh7) 22.Bf4 (22.Bf4 Rf4; 22.Rf4 gh5 Decoy) 22...Rf4 23.Rg5 (23.Rf4 gh5 Combination) 23...Rf7 24.h4 Rg7 25.Qh6 Qa3 26.Bb1 Qb4 27.g3?? (better is 27.h5 Qh4 28.Rd1-+) 27...Be4 (better is 27...Qc3 28.Bg6 hg6 (28...Rg6?! 29.Rg6 hg6 30.Qg6 Kf8 31.Qf6 Ke8 32.Qh8 Ke7 33.Qf6 Ke8 34.Qh8 Kf7 35.Qf6 Ke8=) 29.Rg6 Qe5-+) 28.Be4? (better is 28.Rg4 Qb1 29.Rb1 Bb1 30.Qd2=) 28...Qe4-+ 29.h5 Rc8 30.hg6 Rg6 31.Rg6 Qg6 32.Qd2 Qf7 33.Qg5 Kf8 34.Qh6 Ke8 35.Qe3 Rc5 36.f4 a5 37.Rd1 a4 38.Qd3 Ra5?? 39.Qd6 Ra8 40.Qb6 Qg6 41.Qf2 Rb8 42.Qf3 Rb1 43.Qa8 Ke7 44.Rb1 Qb1 45.Kh2 Qc2 46.Kg1 Qc1 47.Kh2 a3 48.Qh8 Qc2 49.Kh3 Qg6 50.Qa8 Qh5 51.Kg2 Qe2 52.Kh3 a2 53.Qh8 Qh5 54.Kg2 Qg6 55.Qa8 Qc2 56.Kh3 h5 57.Qh8 Qf5 58.Kg2 a1Q 59.Qh6 Qb2 (59...Qb2 60.Kh1 Qfb1) 0–1. Neidig,Heiner – Schafranietz,Sebastian, Baden–ch HT1, 1994. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    6.c4 bc3 7.Nc3 Nc3 8.Bc3 Be7 9.Bd3 Nc6 10.Rb1 b6 11.h4 Bb7-/+ 12.Qa4 Qc7 13.Rh3 d6 14.ed6 Qd6 15.Ne5 f6 16.Nc4 Qd7 17.Qc2 Nd4 18.Qd1 Bc5 19.Qh5 Kd8 20.Na5 Bg2 21.Rg3 Qd5 22.Qg4 Nf3 23.Ke2 Ne5 24.Nc6 Nc6 25.Qg7 Rf8 26.Rg2 Ne5 27.Bh7 Qc4 28.Ke1 Nf3 29.Kd1 Qf1 30.Kc2 Ne1?? 31.Kb2?? Qg2-/+ 32.Bf6 Kc8 33.Re1 Qg7 34.Bg7 Rf2 35.Bc3 Kd7 36.h5 Rf4 37.h6 Bd4 38.Bg6 Bc3 39.Kc3 Rh8 40.h7 Rf6 41.Be4 Rh6 42.a4 Kd6 43.a5 R6h7 44.a6? Rc7-+ 45.Kb3 Rh3 46.d3 Rh5 47.Rg1 Rb5 48.Ka4 Ra5 49.Kb4 Ra6 50.Rg6 Ra1 51.Rg8 Rb1 52.Ka3 Rc5 53.Ka2 Rb4 54.Ka3 a5 55.Rd8 Ke5 56.Rh8 Rc3 57.Ka2 Re4 58.Rh5 Kd4 59.de4 Ke4 60.Rh4 Kd5 61.Rh5 e5 62.Rh8 Rc6 63.Rd8 Rd6 64.Rh8 Kd4 65.Kb2 e4 66.Rh1 Rc6 67.Re1 Kd3 68.Rd1 Ke2 69.Rh1 e3 70.Rh2 Kd1 71.Rh1 Kd2 72.Rh8 Rd6 73.Rc8 e2 74.Rc2 Ke3 (74...Ke3 75.Re2 Ke2 76.Kb3 Kd3 77.Kb2 a4 78.Kc1 Kc3 79.Kb1 Rd1 80.Ka2 b5 81.Ka3 Ra1) 0–1. Jungblut,Jose – Fernandez,Mauro (2245), Siembra Villa Ballester op (3), 1996.

    6.Bc4 Nb6 7.Bb3 a5 8.a3 a4 9.Ba2 Nc6 10.0-0 Be7 11.ab4 Nb4 12.Na3 Na2 13.Ra2 0-0 14.Qe2 f6 15.d4 fe5 16.de5 Nd5 17.c4 Nf4 18.Qe4 Qe8 19.g3 (19.Nb5 Qh5 20.Kh1 Qg4-/+) 19...Qh5 20.Bc1 (20.gf4? Qg4 21.Kh1 Rf4-+) 20...Ng6 21.Kg2 Rb8 (better is 21...Qf3 22.Qf3 Rf3 23.Kf3 Ba3 24.Ba3 Ne5 25.Ke4 Nc4-+) 22.h3? (better is 22.g4!? Nh4 23.Nh4 Qh4 24.f3-+) 22...b5!-+ 23.g4 Nh4 24.Kg3 Qg6 25.Nd2 Rf3! 26.Kh2 Qf7 27.Nf3 Nf3 28.Kg2 Bb7 29.Qf4 Nd2 (29...Nd2 30.f3 Qf4 31.Bd2 Qe5-+) 0–1. Villing,Dieter – Wolf,Helmut, Baden–ch MB2, 1982. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.Nf3 Nf6)

    6.Bc4 Nb6 7.Bb3 Nc6 8.a3 (8.d3 d5-/+) 8...Be7 (8...d5 9.ab4 Bb4 10.Ba4-/+) 9.d3 White has a new backward pawn: c2 9...0-0 (9...ba3 10.Na3 Qc7 11.Nb5+=) 10.0-0 (10.ab4!? Bb4 11.c3=) 10...d5 11.ed6 Qd6 12.ab4 Nb4 (12...Qb4 13.Nfd2+=) 13.Be5 White threatens to win material: Be5xd6 13...Qd8 14.Nbd2 (14.Nfd2 Bf6 15.Qh5 Bd7+=) 14...Bf6 (14...Nd7 15.Bc3+=) 15.Ne4 (15.Qe2!?= is worth consideration) 15...Be5-/+ 16.Ne5 Qc7 17.f4 (17.d4 a5+=) 17...N4d5 (17...a5 18.c3 N4d5 19.Qd2=) 18.Qf3 (18.Qh5 Ne3 19.Ng5 h6-+) 18...Nc3 (18...f6 19.Nc4=) 19.d4 (19.Nc3!? Qc3 20.Qg4=) 19...Ne4 20.Qe4 Bd7 21.c4 Black has a cramped position 21...Bc6 Black threatens to win material: Bc6xe4 22.Qd3 Black has a cramped position 22...Rfd8 (22...g6!?+=) 23.Bc2 g6 24.h4 ½–½. Sellberg,Joel – Peltomaa,Jukka, FIN–chT2, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 e6 4.Nf3 Nf6 5.e5 Nd5)

    6.Bc4 Nb6 7.Bb3 d6 8.c4 -/+.

    6.Bc4 Nb6 7.Bd3 Na4 8.Bc1 Nc6 9.c3 Qa5 10.0-0 Be7 11.Bc2 Nb6 12.Qe2 f5 13.Bb2 0-0 14.a3 bc3 15.Nc3 Nd5 16.Nd5 Qd5 17.Rfe1 b6 18.Bd3 Bb7 19.Bc3 Rac8 20.Bc4 Nd4 21.Bd5 Ne2 22.Re2 Bd5 23.Ne1 Rc4 24.Nc2 f4-+ 25.Ree1 a5 26.Nd4 Bc5 27.Nf3 Rc8 28.Kf1 h6 29.Ng1 g5 30.Ne2 f3 31.gf3 Bf3 32.Rec1 Rh4 33.Bb2 Rf8 0–1. Schulz,HJ (2000) – Lanka,Z (2470), 11th IHEM Hamburg GER (2), 2008.

    6.d4 Qc7 7.Qd2 Be7 8.Bd3 b6 9.0-0 Ba6 10.Rc1 Bd3 11.Qd3 Nc6 12.c4 bc3 13.Nc3 (13.Nc3 Nc3 Combination; 13.Bc3 Ncb4 Combination) 13...Nc3 14.Rc3 Qd8 15.d5 (better is 15.a3!?+=) 15...Nb4-/+ 16.Qe4 Nd5 17.Rd3 0-0 18.Rad1 Rc8 19.h4 (19.Nd4 Bc5-/+) 19...Rc7 20.Ng5? (20.Nd4 Nb4 (20...Bh4?! 21.Rh3+=) 21.Rg3 a6-/+ (21...Bh4?! 22.Rh3=)) 20...g6 (better is 20...Bg5!? 21.hg5 Qg5 22.Rh3-+) 21.Rg3 Bg5 22.Rg5 Nc3 23.Bc3 Rc3 24.Qg4 Kg7 25.h5 Qc7 26.Rd4? Rc1-+ 27.Kh2 f5 28.Rg6+= Kh8 29.Qh4?? Qe5-+ 30.g3 Qe1 31.Kg2 Qf1 32.Kf3 Rc3 33.Kf4 Qf2 34.Ke5 Re3 35.Kd6 Qc2 36.Rc4 Qa2 37.Qd4 e5= 38.Qe3 Qc4?? 39.Qe5 (39.Qe5 Rf6 40.Qf6) 1–0. Diete,Guenter (1655) – Betz,Egon (1910), Bad Woerishofen Seniors op, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 e6)

    3.Bb2 Nf6

    4.Bc4 Nc6 5.a3 e6 6.e5 Nd5 7.Bd5 ed5 8.Nf3 d6 9.ed6 Bd6-/+ 10.ab4 Bb4 11.0-0 0-0 12.Re1 Bg4 13.h3 Bh5 14.Na3 Qb6-+ 15.g4 Bg6 16.Re3 Rfe8 17.Rb3 Na5 18.Bd4 Nb3 19.cb3? Qc6 20.Nb5 Bd3 21.Ra4 Bb5 22.Rb4 Be2 23.Qa1 Bf3 24.Bg7 Qe6 25.Qd4 Qd6 (25...Qd6 26.Qf4 Qc5 27.Qf3 Qb4-+) 0–1. Spitzer Isbert,R (2125) – Sanchez Alarcos Galian,V (1735), 19th Moratalaz Open, 2006.

    4.Bc4 Qc7 5.d3 Nc6 6.Nf3 d6 7.0-0 Bg4 8.Nbd2 e6 9.Qe1 Be7 10.e5 de5 11.Ne5 Bh5 12.Ndf3 0-0 13.Nc6 bc6 14.Ne5 Bd6 15.f4 Nd7 16.Nd7 Qd7 17.Qh4 Bg6 18.Rae1 Be7 19.Qg3 Bc5 20.Kh1 Bd4 21.Bd4 Qd4 22.Qh3 Rfe8 23.g4 h5 24.gh5 Bf5 25.Qg3 Kh7 26.Re5 g6 (better is 26...Qc3!?-/+) 27.Rg1 Rg8 28.Qh4? (better is 28.Qf3=) 28...g5-+ 29.Qe1 (29.Rg5 Rg5 30.Qg5 Rg8 31.Rf5 ef5 32.Bf7 Rg5 33.fg5 Qf2 34.Bg6 Kg8-+) 29...gf4 (29...Qf4?! 30.Rf1 Qd4 31.Ref5 ef5 32.Rf5+=) 30.Rf1 Rg5 0–1. Bravo Castillero,J – Gil Menendez,G, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 Qc7 5.Qe2 b5 6.Bb3 Bb7 7.f3 a6 8.d4 e6 9.d5 Bc5 10.Nd2 a5 11.e5? Nd5-+ 12.Bd5 Bd5 13.Qb5 0-0 14.Ne2 a4 15.Rd1 Ba2 16.Ne4 Be7 17.Qd3 Rc8 18.Nd4 Qc4 19.Qe3 Nc6 20.Nc6 Rc6 21.Rd7 Qc2 22.0-0 Qb2 23.Re7 Qe5 24.Rf7 Rc3 25.Qb6 Kf7 26.Qb7 Rc7 27.Qa8 Bc4 28.Rd1 Bd5 29.Qd8 Be4 30.fe4 h6 31.Rf1 Kg6 32.g3 Kh7 33.Qa8 Qd4 34.Kg2 Rc2 35.Kh3 Qd2 36.Rf8 Qh2 37.Kg4 h5 38.Kf4 Rf2 39.Ke5 Qg3 40.Ke6 Qg6 41.Ke7 Rf8 42.Kf8 Qf6 43.Ke8 Qe6 (43...Qe6 44.Kd8 Qg8 45.Ke7 Qa8-+) 0–1. Kudelka,Janusz (2080) – Dudys,Jakub (2150), Poland–ch U18 Leba, 2008.

    4.Bc4 d5 5.ed5 Nd5 6.Qf3 Nf6 7.Nh3 e6 8.0-0 Nc6 9.Bb5 Bd7 10.a3 ba3 11.Na3 Be7 12.d4 0-0 13.c3 Na5 14.Bd3 1–0. Bravo Castillero,J – Diaz Carballo,D, 1998. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 d5 5.ed5 Nd5 6.Nf3 Nc6 7.a3 Bf5 8.ab4 Ndb4 9.Na3 e6 10.0-0 Bd6 11.d4 0-0 12.Be2 Nd5 13.g3? (better is 13.c4 Nf4 14.Nb5-/+) 13...Bh3-+ 14.Re1 Bb4 15.c4 Nf6 (15...Be1?! 16.cd5 Bf2 17.Kf2 Qd5 18.Nc4-/+) 16.Ng5 Be1 17.Nh3 Bb4 18.Nc2 Be7 19.Nf4 Rc8 20.Bf3 Qb6 21.Rb1 Rfd8 22.Qf1 Qc7 23.Rc1 Na5 24.Ne3 White plans c5 24...Nb3 25.Rd1 a5 26.c5 a4 27.Nc4 Nc5! 28.dc5 Rd1 29.Qd1 Qc5 30.Na3 Qb6 31.Qa1 Qb3 32.Bd1 Qb4 33.Bf3 b6 34.Nd3 Qd2 35.Qb1 Nd5 36.Nb5 Nb4 37.Nb4 Bb4 38.Be4?! Qe1 39.Qe1 Be1 40.Kf1 Bb4 41.Ke2 Rc5 42.Na3 Bc3 43.Bc1 b5 44.Be3 Re5 45.Bc2 Bd4 46.Kd3 Be3 47.fe3 b4 48.Nc4 Rd5 49.Ke2 b3 50.Bb1 Kf8 51.Nb6 Ra5 52.Nc4 Ra7 53.Na3 Ke7 54.Kd2 Rc7 55.Bd3 Rc5 56.Nc4 Kd7?? 57.Nb6-/+ Kc6 58.Na4 Rh5 59.h4 Ra5 60.Nb2 Kc5 61.Kc3 Ra1 62.Bh7 Rg1 63.Nd3 Kd6-/+ 64.Be4? Rg3-+ 65.Kb3 Re3 66.Bh7 g6 67.Kc3 Rh3 68.Bg8 Ke7 69.Kd4 Rh4 70.Kc5 Rh8 0–1. Hoeksema,Hendrik Pieter (2390) – Houtman,Joop, Groningen GAM, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 d5 5.ed5 Nd5 6.Qh5 e6 7.Ne2 Nc6 8.d4 g6 9.Qf3 Bg7 10.Nd2 b6 11.0-0 0-0 12.a3 Re8 13.ab4 Ncb4 14.c3 Nc6 15.Ba3 Na5 16.Bd5 ed5 17.Nf4 Bb7 18.Bb4 Nc6 19.Ba3 Na5 20.Bb4 Nc6 21.Ba3 Bh6 22.Nb3 Re4 23.Nd3 a5 24.Bc1 Bc1 25.Nbc1 Ba6 26.Ne2 Qg5 27.Ng3 Re6 28.Rfd1 Bc4 29.Nb2 Rf6 30.Qe3 Qe3 31.fe3 Bb3 32.Re1 Re6 33.Nf1 Bc2 34.Re2 Bf5 35.Na4 Nb8 36.Rb2 Nd7 37.Rb5 Rd6 38.Nb2 Rc8 39.Rc1 Nf6 40.Na4 Rcc6 41.Nd2 Ng4 42.Re1 Bc2 43.Nb6 Rb6 44.Ra5 Ra6 45.Rb5 Rac6 46.h3 Nf6 47.Nb3 Bb3 48.Rb3 Rc4 49.Rf1 Kg7 50.g4 h6 51.Kg2 Rdc6 0–1. Lembeye,Michel – Spitz,Patrick, FRA AJEC/2332 corr, 1988. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 d5 5.ed5 Nbd7 6.Qe2 Nb6 7.Bb5 Bd7 8.Nf3 Bb5 9.Qb5= Qd7 10.Qb4 Nbd5 11.Qb3 Qe6 12.Kd1 Qa6 13.Na3 Rc8 14.Nb5 e6 15.Ne5 Bc5 16.d4 Be7 17.c4 Nb6 18.a4 0-0 19.Ke2 Rfd8 20.Rhd1 Nfd7 21.a5 Na8 22.Nf3 Nc7 23.Kf1 Nf6 24.Ne5 Ncd5 25.Kg1 Nf4 26.Re1 Nd7 27.d5 Ne5?? 28.Be5+/- Ng6 29.Nc7+- Rc7 30.Bc7 Rc8 31.Bg3 h5 32.de6+- fe6 33.c5! Rc6 34.Bd6! Bd6 35.cd6 Rd6 36.Rad1 Qa5 37.Re6 Rd1 38.Qd1 Qf5 39.Qe1 a5 40.Qe4 Qe4 41.Re4 b5 42.Re8 Kf7 43.Rb8 b4 44.Rb5 Nf4 45.Ra5 Ke6 46.Rb5 Nd5+/- 47.Kf1 Ke5 48.Rb7 Kd4 49.Ke2 Kc3 50.Rd7 Nf4 51.Kf3 Nd3 52.Rc7 Kd2+/- 53.Rg7 b3 54.Rb7 b2 55.g4 Kc3? 56.Rb2+- Nb2? 57.gh5 Kd4 58.Kf4 Nd3 59.Kf5 Kd5 60.f4 1–0. Villing,Dieter – Schuh,Hubert, Baden–ch MB2, 1979.

    4.Bc4 d6 5.d4 e6 6.Nd2 d5 7.Bd3 de4 8.Ne4 Nbd7 9.Qf3 Be7 10.Ne2 0-0 11.0-0 Nd5 12.Nf4 N7b6 13.Nd5 Nd5 14.Rfe1 Bd7 15.a3 Bc6 16.Ng3 ba3 17.Ba3 Ba3 18.Ra3 Nb4 19.Qg4 g6 20.h4 Nd3 21.Rd3 Qd5 22.Rf3 Rad8 23.c3 Qa5 24.Rfe3 Qd5 25.Rf3 f5 26.Qg5 Rd7 27.h5 Rg7 28.h6 Rgf7 29.Qf4 Qd8 30.Rd3 Bd5 31.Nf1 Be4 32.Rde3 Qc7 33.Qg5 b5 34.Nd2 Bd5 35.f4 Qd8 36.Qg3 Rc7 37.Rb1 a6 38.Nb3 Rc4 39.Nc5 Qd6 40.Ra1 Ra8 41.Qg5 Kf7 42.Nd3 Rc7 43.Ne5 Kg8 44.Ra5 Qe7 45.Qg3 Qd8 46.Ra1 a5 47.Kf2 a4 48.Ke2 b4! 49.c4? Bc4 50.Nc4 Qd4 (50...Qd4 51.Qf3 Rb8-+ (51...Qa1 52.Qa8 Kf7 53.Nd6 Ke7 54.Qe8 Kd6 55.Qe6 Kc5 56.Re5 Qe5 57.fe5+-; 51...Qc4 52.Kf2 Qd5 53.Qe2-+)) 0–1. Sellberg,Joel – Kauko,Jussi Matti (2270), FIN–chT Division–C, 1998. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 d6 5.Qf3 Nc6 6.d4 e5 7.de5 de5 8.Nd2 Be7 9.Qg3? (better is 9.Bb5-/+) 9...Qd2!-+ 10.Kd2 Ne4 11.Ke2 Ng3 12.hg3 0-0 13.Bd3 g6 14.Re1 Be6 15.Nf3 Bf6 16.Kd2 Ba2 17.Rh2 Be6 18.Ne5 Be5 19.Be5 Ne5 20.Re5 Rfd8 21.Kc1 Rac8 22.Be4 b3 23.Rh1 bc2 24.Bc2 Bf5 25.Re2 Rd6 26.Kb2 Rb6 27.Bb3 Bd3 (better is 27...Be6 28.Re6 fe6 29.Re1-+) 28.Re3 Bf5 29.Ka3?? (29.Re2 Be6 30.Re6 fe6 31.Ra1-+) 29...Ra6 30.Kb2 Rd6 31.Re2 b5 32.Rhe1 Rc7 33.f3 h5 34.Re7 Re7 35.Re7 Be6 36.Ra7 Rd2 37.Ka3 (37.Kc1 Rg2 38.Be6 fe6-+) 37...Bb3 (better is 37...Rd3 38.Kb2 Rb3 39.Kc2-+) 38.Kb3 Rg2 39.g4 h4 (better is 39...hg4!? 40.fg4 Rg4 41.Kc2-+) 40.g5 0–1. Faccia,Sergio (2090) – Bertani,Gianfranco (2195), Verona op, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 Ne4 5.Bf7 Kf7 6.Qh5 Kg8 7.Qd5 e6 8.Qe4 Nc6 9.Nf3 d5 10.Qe2 Be7 11.0-0 Bf6 12.d4 Qb6 13.Rd1 Bd7 14.Nbd2 Kf7 (worse is 14...Bd4 15.Nd4 Nd4 16.Qe5+=) 15.Nb3 Rhe8 16.a3 Qc7 17.Ne5 Be5 18.de5 ba3 19.Ra3 Kg8 20.Nc5 b6 21.Na6 Qb7 22.Rh3 Re7 23.Ba3 Rf7 24.Bd6 Ne7 25.Qd3 Ng6 26.Rb1 Rc8 27.Rb4 Rf5 28.c3 Be8 29.f3? (better is 29.g4 Rg5 30.Nc5+=) 29...h6-+ 30.g3 Ne5 31.Be5 Re5 32.Rg4 Rh5 33.Rh5 Bh5 34.Rh4?! (34.Ra4 d4! 35.Rd4 Qf3 36.Qf3 Bf3-+) 34...Bf7 (better is 34...Bf3!? 35.Qf3 Qa6 36.Kg2-+) 35.Ra4 Qc6 36.Ra3 e5 37.Nb4 (37.Kg2 d4! 38.Nb4 Qc7-+) 37...Qc5 38.Kg2 a5 39.Nc2 d4! 40.Qf5 (40.cd4 Qc2 Pinning (40...Qc2 Deflection)) 40...dc3 41.Ra1 Rd8 42.Re1 (42.Kh3 Qc6 43.Qe5 Be6 44.Kg2 Rd2 45.Kg1 Rc2-+) 42...Rd2 43.Kh3 Qf2 44.Re5 Rc2 45.Qe4 (45.Re7 Qh2 46.Kg4 h5 47.Kf4 Qd2 48.Ke4 Qe1 49.Kf4 Qe7-+) 45...Qh2 46.Kg4 h5 47.Kf5 Qg3 0–1. Rogers,Ian (2545) – Hoeksema,Hendrik Pieter (2390), Groningen GAM, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Bc4 Ne4 5.Bf7 Kf7 6.Qh5 Kg8 7.Qd5 e6 8.Qe4 Nc6 9.Nf3 Be7 10.d4 d5 11.Qe2 Bd7 12.a3 Rc8 13.0-0 Qf8 14.ab4= Bb4 15.c3 Be7 16.Ba3= Ba3 17.Na3 h5 18.h4 Ne7 19.Ne5 Bc6 20.Rfb1 Qe8 21.g3 Nf5 22.Nc2 a6 23.Ne1 Bb5 24.Qd2 Nd6 25.Qe3 Rh6 26.N1f3 Rf6 27.Ng5 Nc4 28.Nc4 Rc4 29.Kg2 Qg6 30.Re1 Rc6 31.Nf3 Qd3 32.Ne5= Qe3 33.Re3 Rc7 34.f4 Be8 35.Rae1 Bg6 36.Ng6= Rg6 37.Rb1 Rf6-/+ 38.Rb6 Kf7 39.Kf2 Ke7 40.Ke2 Kf7 41.Kd2 Rg6 42.Kc2 e5 43.Rg6+= ed4? 44.Rge6?? de3-+ 45.Rd6 e2 46.Kd2 Rc3! 47.Ke2 Rg3 48.Rd5 Kg6 49.Rd7 Rb3 50.Rd5 Rb5 51.Rd3 Kf5 52.Kf3 a5 53.Ra3 b6 54.Kg3 Ke4 55.Rc3 Rc5 56.Ra3 Kd4 57.Ra1 Rc3 58.Kg2 Kc4 59.Re1 a4 60.Re7 a3 61.Rg7 b5 62.f5 b4 63.f6 a2 64.Ra7 Kb3 0–1. Mordiglia,Riccardo (2015) – Malano,Francesco, Asti op (3), 1995.

    4.Bc4 e6 5.e5 Ng8 6.f4 d5-/+ 7.ed6 Qd6 8.Be5 Qc6 9.Qe2 Bd7 10.f5 Nf6 11.fe6= fe6 12.Nf3 Qe4 13.Qe4 Ne4 14.d3 Nd6 15.Nbd2 Nc4 16.Nc4 Bc6 17.Nd4 Bg2 18.Rg1 Bd5 19.Nb5 Na6 20.Ncd6 Kd7 21.Nf7 Rg8 22.Nh6 Bc5 23.Rg7 Rg7 24.Bg7 Bf8 25.Bf8 Rf8 26.Ng4 Kc6 27.Nd4 Kd6 28.Ne3 Rf4 29.Nb5 Kc5 30.c4 bc3! 31.Nc3 Nb4 32.Kd2 Rf2 33.Ne2 Rh2 34.Rc1 Kd6 35.Nc4 Bc4 36.Rc4 Nc6 37.Ke3 e5 38.Nc3 Rh3 39.Kd2 Rh2 40.Ke3 a6 41.Ne4 Kd5 42.a4 h5 43.Rc5 Ke6 44.Ng5 Kf5 45.Nf3 Rh3 46.d4?? Kg4 47.d5 Rf3 48.Ke4 Rf4 49.Ke3 Nb4 50.d6 Nc6 51.Rd5 Rd4 (51...Rd4 52.Re5 Rd6-+) 0–1. Rothmund,J – Schwabedahl,F, Oberschwaben ch–B (5), 1991.

    4.e5 Ne4 5.d4 e6 6.Ne2 Nc6 7.f3 Nc3 8.Nec3 bc3 9.Bc3 d6 10.f4 de5 11.de5 (worse is 11.fe5 Qh4 12.Ke2 f6-/+) 11...Bd7 12.Be2 Qb6 13.a3 0-0-0 14.Rf1 Kb8 15.g3 h5 16.Ra2 (16.Bh5 g6) 16...Be8 17.Bd3 h4 18.g4 Nd4 19.Rb2 Qc7 20.Qd2 Bc6 21.Bd4 Rd4 22.Nc3 Ba3 23.Nb5 Bb5 (23...Bb2?! 24.Nc7 Kc7 25.Ke2=) 24.Rb5 Rhd8 25.h3 Bc1!! 26.Qe2 Rd3 27.cd3 Qc3 28.Kf2 Rd3 29.Rc1 Qd4 30.Kg2 Rd2 31.Re1 Qe4 32.Kf2 Qf4 33.Kg1 Qg3 (33...Qg3 34.Kf1 Qh3 35.Kf2 Re2 36.Re2 Qg3 37.Kf1 Qf4 38.Kg1 Qg4 39.Rg2 Qd4 40.Kh1 g5-+) 0–1. Nad,Radoslav (1860) – Babasyan,Amayak Martunikovic, ICCF FM/1689, 2012. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.f3 e6 5.d4 b6 6.Bd3 Ba6 7.Ne2 Be7 8.0-0 0-0 9.a3 Bd3 10.cd3 Nc6 11.g4 d5 12.Qd2 Rc8 13.ab4 Nb4 14.Nbc3 a5 15.e5 Nd7 16.h4 (16.f4 b5!-+) 16...Bh4 17.Kg2 f5 18.Nb5 0–1. Quintana,Ramon – Juarez Flores,Carlos A (2385), GUA–ch Mayor, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6)

    4.Qf3 Qc7 5.c4 e5 6.d4 d6 7.d5 Nbd7 8.Bd3 g6 9.Ne2 Bg7 10.0-0 Nc5 11.h3 Nfe4! 12.Be4 f5 13.Nd2 fe4 14.Ne4 Ne4 15.Qe4 Bf5 16.Qh4 0-0 17.Rfd1 Bf6 18.Qh6 Qc4 19.Ng3 Bc2 20.Rd2 Rac8 21.Rc1 b3 22.Nf1 Qa4 23.Ne3? Qa2 (23...Qa2 24.Nd1 Qa4-+) 0–1. Staub,Pierre (2230) – Trommsdorf,Fro (2245), Paris–ch (4), 1993.

    4.Qf3 d6 5.d4 e6 6.Bd3 Nc6 7.Ne2 Be7 8.0-0 0-0 9.Nd2 Nd7 10.Qg3 e5 11.d5 Bh4 12.Qf3 Ne7 13.g3 Bg5-/+ 14.Nc4 Qc7 15.Qh5 Bf6 16.f4 b5 17.fe5 bc4 18.ef6 Nf6 19.Rf6? cd3-+ 20.Rh6 gh6 21.Bf6 Qd7 22.Qh6 Qg4 23.Nf4 Bf5 24.cd3= Rfe8 25.Kf2 Rac8-+ 26.Rg1?? Rc2 27.Ke3 Be4! 28.Be7 Bg6 29.Kd4 Re7 30.Rb1 Qf5 31.Ng6 Qf2 (31...Qf2 32.Qe3 Qe3; 31...Qf6 32.Ne5 Qe5) 0–1. Bonner,Graham (2250) – Watson,William N, BCF–ch Ayr (5), 1978.

    4.e5 Nd5

    5.a3 Qb6 6.ab4 Qb4 7.Qc1 Qe4 8.Ne2 Nc6 9.f3 Qf5 10.Ng3 Qf4 11.Ne2 Qf5 12.d4 d6-/+ 13.Nbc3 Nc3 14.Bc3-/+ de5 15.de5 g6 16.Ra4 Bg7-/+ 17.Rf4 Bh6 18.g4 Qe6 19.Qb2 Qd5 20.Re4 Be6 21.h4 0-0-0 22.g5 Bg7 23.Nf4 Qd1 24.Kf2 Rd2 25.Bd2+= Qd2 26.Be2 Bf5 27.Rb1 b6? 28.Rc4 Kb7 29.Rd1 Qa5 30.Rd5 Be5 31.c3 Qd5 32.Nd5 Be6 33.Rc6! Bd5 34.Rc5 (34.Rc5 Rd8 35.f4+-) 1–0. Euler,Gerd (2385) – Duncker,Joachim (2265), Oberliga Ost B9899, 1999.

    5.a3 d6 6.Bb5 Nc6 7.Nf3 Qb6 8.a4 Bg4 9.ed6 0-0-0 10.d7 Rd7=+ 11.h3 Bh5 12.d3 e5 13.0-0 e4!-/+ 14.de4 Nf4 15.Nbd2+= Qd8 16.Qe1 Bc5 17.Bc6 bc6 18.Be5 Bd6 19.Nc4 Nh3 20.gh3+/- Bf3 21.Nd6 Rd6= 22.Qb4 Rg6 23.Bg3 Qb6 ½–½. Drill,Frank (2140) – Richter,M (1975), Berliner Sommer (7), 1995.

    5.a3 d6 6.c4 bc3! 7.dc3 de5 8.Bb5 Nc6 9.c4 Nf4 10.Bc6 bc6 11.Qd8 Kd8 12.Kf1 f6 13.Nd2 Bf5 14.g3 Nd3 15.Bc3 e6 16.f3 Rb8 17.g4 Bg6 18.Rd1 Kc8 (18...Ba3?! 19.Ne4 Ke7 20.Rd3+=) 19.Ne4 Be4 20.fe4 Nc5 21.Ba5 Be7 0–1. Schulz,Hans Juergen (2010) – Parligras,Mircea (2585), Hamburg–ch int, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.a3 d6 6.ed6 Qd6 7.Nf3 Qe6 8.Qe2 (8.Ne5 Nc6 9.Qe2 f6 10.Nc6 Qc6 11.Qf3 e5 12.Bd3 Be6 13.Be4-/+ –0.87) 8...Nc6 9.Qe6 (9.ab4 Ndb4 10.Na3 Qe2 11.Be2 Bg4 12.Kd1 e6 13.Nb5-/+ –0.75) 9...Be6 (worse is 9...fe6 10.Bc4+= Nf4 11.0-0 Bd7 12.Re1 Na5 13.Bf1+= 0.56) 10.Bb5 Bd7 (10...a6 11.Ba4 ba3 12.Ra3 Nb6 13.Nc3-/+ –1.22) 11.0-0 (11.Bc4 e6 12.0-0 Nb6 13.Be2-/+ –0.87) 11...f6 (11...Ne5 12.Bd7 Nd7 13.Bd4-/+ –1.06) 12.Re1 (12.d4 e6 13.Re1-/+ –0.78) 12...Kf7 (12...ba3 13.Na3-/+ –1.03) 13.ab4 Ndb4 14.Na3 e6 15.Bc4 Rc8 16.c3 Nd5 17.Nc2 Bd6 18.g3 Rhe8 19.Bb3 a6 20.Ne3 Ne3 21.Re3 g5 22.d4 h6 23.Nd2 Kg6 24.Rae1 e5 25.Nc4 Bc7 26.de5 Ne5 27.Ne5 Re5 28.h4 Re3 29.Re3 Re8 30.Bc2 Kg7 31.hg5 hg5 32.Re8 Be8 33.Kf1 Bg6 34.Bb3 Be4 35.Bc1 Be5 36.Bd2 Bd3 37.Kg2 g4 38.Bd5 b5 39.f3 gf3 40.Kf3 a5 41.g4 a4 42.Ba2 Kf8 43.Bh6 Ke7 44.Bg7 Bc3 45.g5 b4 46.Ke3 Bc2 47.gf6 Bf6 (47...Bf6 48.Bf6 Kf6-+) 0–1. Schulz,Han (2040) – Zacharias,C (2255), St Pauli Open, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.a3 e6 6.ab4 Bb4 7.c4 Ne7 8.Bd3 d5 9.ed6 Qd6 10.Qe2 Ng6 11.Bg6 (worse is 11.Bg7 Nf4 12.Bh8 Ne2 13.Ke2 e5-+) 11...hg6 (worse is 11...fg6 12.Bg7 Rg8 13.Be5+/-) 12.Be5 Qc6 13.Nf3 f6 14.Bb8 Rb8 15.Qd3 a5 16.Qg6 Kf8 17.Na3 b6 18.0-0 Rh6 19.Qd3 Bb7 20.Nb5 Kf7 21.Rfe1 Rbh8 22.h3 Rh3 23.gh3 Qf3 24.Qf3 Bf3 25.Nd4 Bb7 (25...Ba8 26.Ne6 Rh3 27.f3 Bd2 28.Re2-+) 26.Re3? (26.Ne6 Bd2 27.Reb1-+) 26...Bc5-+ (26...Bd2?! 27.Rb3 (27.Re6? Rh3 28.Rc6 Ke8-+) 27...Ba6 28.Ra4-/+) 27.Nb5 Be3 28.de3 Ke7 29.Kh2 Rc8 30.Rg1 g5 31.Rg4 e5 32.Kg3?! (32.f4 Rc4 33.fg5 Rg4 34.gf6 Kf6 35.hg4 Bc6-+) 32...Rh8 (32...Rc5!? 33.Na3 Bc8 34.Kf3 Bg4 35.hg4-+) 33.Na7 Ra8 34.Nb5 Bc8 35.Nc7 Rb8 (35...Bg4?! 36.Na8 a4 37.Nb6-+) 36.Re4 Bf5 37.Nd5 Kf7 (37...Kf7 38.Kf3 a4-+) 0–1. Schulz,Hans Juergen (2055) – Michna,Christian (2240), Norderstedt op 5th, 2005. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.a3 e6 6.ab4 Bb4 7.Qg4 0-0 8.Nf3 Nc6 9.Bd3 Be7 10.Nc3 Ncb4 11.Nd5 Nd3 12.cd3 ed5 13.Qd4 d6 14.Ra7 Ra7 15.Qa7 de5 16.Be5 Bg4 17.0-0 Bf3 18.gf3 Bd6 19.Bg3 b6 20.Rc1 Bc5 21.d4 Bd4 22.Rc7 Qg5-+ 23.Kg2 Qd2 24.Qb7 Bc5 25.Rc8 Qb4 26.Rc7 Qd2 27.Rd7?? d4-+ 28.Qd5 h6 29.f4 Qe2 30.f5 Qh5 31.Qe4 g6 32.fg6-/+ Qg6 33.Qg6 fg6 34.Be5 Rf5 35.f4 g5-+ 36.Kf3 gf4 37.Bf4 Rf6 38.Ke4 Rg6 39.Be5 Kf8 40.Kf5 Ke8 41.Rd5 Rg5-+ 42.Kf4 Rg6 43.h4 h5-/+ 44.Kf5 Rc6 45.Ke4 Re6 46.Kf5 Re7 47.Bd4 Bd4 48.Rd4 Rd7 49.Rb4= Rd6 50.Rb5 Kd7 51.Ke4 Rh6=+ 52.Kd5 Kc7 53.Kc4=+ Kb7 54.Kb4 Ka6 55.Rg5 Rf6 56.Rh5+= Rf4 57.Kb3 Rg4 58.Ka3 b5 59.Rh7 Kb6 60.h5 Rh4 61.h6 Kc5 62.Rc7 Kd6 63.Rb7 Kc6 64.Rh7 Kb6 65.Kb3 Ka5 66.Ra7 Kb6 ½–½. Faccia,S (2070) – Omeri,S (2180), 13th Venice Autumn (1), 2007.

    5.a3 e6 6.ab4 Nb4 7.Nf3 Be7 8.Be2 0-0 9.h4 N8c6 10.c3 Nd5 11.Qc2 f5 12.d4 b6 13.Nbd2 Na5 14.g4 Bb7 15.gf5 ef5 16.Bd3 g6 17.Rg1 Kh8 (17...Bh4!? 18.Ba3 Be7+=) 18.h5= Nf4 19.hg6 hg6 20.0-0-0 Nb3! 21.Kb1 Nd3 22.Qd3 Nd2 23.Nd2 g5 24.d5 g4 25.f3 Kg7 26.fg4 f4 27.Rh1 Rh8 28.Rh5?? Qe8+/- 29.Rdh1 Rh5 30.Rh5 Qg6 31.Qg6 Kg6 32.c4 Ba6 33.Kc2 b5 34.cb5 Bb5 35.Nf3 Be2 36.Nh2?? Bc4?? 37.d6+= Bg5 38.Nf3 Bd8 39.Kc3 (39.Kc3 Rc8 40.Kd4-/+) 1–0. Reh,Stefan – Forgach,Andreas, Hessen–ch MVT, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.Bc4 e6 6.Nf3 Nc6 7.0-0 Nb6 8.Bb3 Na5 9.d3 White has a new backward pawn: c2 9...Be7 10.Nbd2 (10.c4 bc3 11.Nc3 0-0=) 10...Nb3 11.cb3 Black has the pair of bishops. 11...0-0 12.Ne4 Nd5 13.Rc1 b6 Covers c5 14.Nd4 (14.Nfd2 f5 15.ef6 Nf6+=) 14...Ba6 15.Qd2 Rc8 16.Rc4 f5 17.ef6 Nf6 18.Nf6 Rf6 19.Rc8 Qc8 20.Nc2 Rg6 21.Nb4?? causes even greater problems (better is 21.Ne3-/+) 21...Bb7-+ 22.g3 Qf8 (22...Qf8 23.Nd5 Bd5-+ (worse is 23...ed5 24.f4-+)) 0–1. Gallegos,Paul (2090) – Evans,Bela, Jim Hurt Rating, 2000. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.Bc4 e6 6.Nf3 Nc6 7.0-0 Be7 8.a3 0-0 9.ab4 Ncb4 10.d4 d6 11.Bb3 b5 12.Na3 Rb8 13.Re1 a6 14.c4 bc4 15.Nc4 de5 16.Nfe5 Bb7 17.Ba4 Rc8 18.Qb3 Rc7 19.Ba3 Qc8 20.Rac1 Qd8 21.Qg3 Nc6 22.Be7 Qe7 23.Nf3 Qb4 24.Bc6 Rc6 25.Nfe5 Rcc8 26.Rb1 Qe7 27.Na5 Ba8 28.Nb3 Qb4 29.Nd7 Rc3-+ 30.Nd2? Qe7 31.Nf8 Rg3 32.Rb8 Rg2 33.Kg2 Ne3 34.Kh3 Bg2 35.Kg3 Qg5 0–1. Mueller,Klaus Uwe – Gruenberg,Hans Ulrich, DDR–ch, 1972.

    5.d4 b6 6.Bd3 Bb7 7.Ne2 g6 8.0-0 Bg7 9.a3 0-0 10.Be4 Qc7 11.Bd5 Bd5 12.ab4 d6 13.f4 de5 14.fe5 Rd8 15.Nd2 Bb7 16.c3 Qc6 17.Rf2 Bh6 18.Nf1 Nd7 19.Qb3 e6 20.b5 Qe4 21.Neg3 Qd3 22.Bc1 Bd5 23.Qb2 Bf8 24.Ra4 Rdc8 25.Bd2 a6 26.ba6 Ra6 27.Ra6 Qa6 28.Qc1 Qa3 29.Qe1 b5 30.Qe3 Bg7 31.Qf4 Qe7 32.Qg4 h5 33.Qe2 Bc4 34.Qf3 Bd5 35.Qe2 Bc4 36.Qd1 Bd5 37.Qb1 Bc6 38.Ne4 Be4 39.Qe4 Nb6 40.Qb1 Qd7 41.Ng3 Nd5 42.Ne4 ½–½. Lenz,Helmut – Rybicki,Hans, Ruhrgebiet VK2–chT, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.d4 e6 6.Nf3 b6 7.Bd3 Bb7 8.0-0 Nf4 9.c4 Nd3 10.Qd3=+ d5 11.Nbd2 Be7 12.Rfe1 0-0 13.a3 Na6 14.cd5 Qd5 15.Ne4 Nc5! 16.Nc5 bc5 17.ab4 cb4 18.Qe3 a5 19.Bc1 h6 20.h4 Rfc8 21.Qf4 b3 22.Bd2 a4 23.Qg4 Kf8 24.Qh5 a3 25.Bg5 b2 26.Be7 Ke7 27.Rad1 a2 28.Ng5 Qg2 0–1. Bravo Lutz,Sebastian – Langrock,Hannes (2105), GER–chJMC Neumuenster, 1999.

    5.Qf3 e6 6.c4 bc3 7.Nc3 Qb6 8.Rb1 Nc3 9.Qc3 Nc6 10.Nf3 Qc5 11.Qb3 Qd5 12.Qd5= ed5 13.Nd4 Nd4 14.Bd4= b6 15.Be2 Bb7 16.0-0 Be7 17.Rfc1 Bc6 18.Bg4 0-0 19.e6 fe6-/+ 20.Be6 de6 21.Rc6 Bf6 22.Bf6 Rf6 23.Rbc1 Re8 24.Rc8 Rff8 25.Re8=+ Re8 26.Rc7 a5 27.Kf1 Kf8 ½–½. Villing,Dieter – Siegel,Georg, Baden–ch Eberbach, 1980.

    5.Qf3 e6 6.Bc4 Nb6 7.Bb3 Nc6 8.Ne2 Na5 9.0-0 Be7 10.c3 Nac4 11.Bc1? Ne5-+ 12.Qg3 Bf6 13.d4 Nc6 14.Bb2 d5 15.a3 bc3 16.Bc3 0-0 17.Nd2 Bd7 18.f4 g6 19.Nf3 Rc8 20.h4 h5 21.Bd1 Ne7 22.Qe1 Nf5 23.Bb4 Re8 24.Ng5 Bb5 25.Bc3 Be2 26.Be2 Rc3! 0–1. Bishop,P (1855) – De Lagontrie,J (1985), Kaupthing Open (7), 2008.

    5.Nf3 g6 6.e6 Rg8?? (better is 6...f6+=) 7.ef7+/- Kf7 8.Bc4 e6 9.0-0 Bg7 10.Bg7 Rg7 11.a3 Qa5 (11...Nb6 12.Qe2 Qf6 13.d4=) 12.Ba2 (better is 12.Bd5!? Qd5 13.ab4+/-) 12...ba3 13.c4 Nf4 14.Bb3 Qc7 15.Ra3 b6 16.Bc2 Bb7 17.Nc3 Qc4?? (17...Kg8-/+) 18.d3 (better is 18.Ne5 Kg8 19.Nc4 Bg2 20.Be4 Bf1 21.Nb6+-) 18...Qb4 19.Rb3 Qd6 20.Nb5= Qe7 21.Nc7 Bf3?? 22.Qf3+- Qg5?! 23.Qg3 Ne2-+ 24.Kh1 Ng3 25.Kg1 Ne2 26.Kh1 Qc5 27.Na8 Qc2 28.Rfb1 Rg8 29.R1b2 Qc1 (29...Qd1) 0–1. Reeve,Stirling – Khoo,Thomas, AUS–ch U12 Adelaide, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.c4 bc3

    6.dc3 Nb6 7.c4 d6 8.ed6 Qd6 9.Qc2 Na6 10.a3 Bd7 11.Nf3 Ba4 12.Qc1 Nc5 13.Be5 Nd3 14.Bd3 Qd3 15.Nbd2 Rc8 16.Bf4 f6 17.Qb1 Qb1 18.Rb1 e5 19.Be3 Bc6 (worse is 19...Ba3 20.Bb6 ab6 21.Ra1=) 20.0-0 Be7 21.Nh4 g6 22.Rfe1 Kf7 23.Rb3 Rhd8 24.h3 Rd7 25.Kh2 Rcd8 26.Re2 Na4 27.Nf1 Rd1 28.Ng3 b6 29.Nf3 R1d3 30.Rd3 Rd3 31.Ne1 Ra3 32.f4 ef4 33.Bf4 Nc5 34.Nc2 Ra2 35.Bb8 f5 (better is 35...Nd7!? 36.Bf4-+) 36.Nd4 Re2 37.Nge2 Bd7 38.Ba7 Bd6 39.Kg1 Bc7 (better is 39...Na4!?-+) 40.Nc3-/+ Ne6 41.Ndb5 Bd8 42.Nd6 Ke7 43.Ndb5? (better is 43.Nb7!?=) 43...Bb5-/+ 44.cb5 Kd6 45.Na4 Nd4 46.Bb6 Bb6 47.Nb6 Nb5 ½–½. Schulz,Hans Juergen (2105) – Ewaldt,Michael, Oberliga Nord N, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3)

    6.Nc3 Nc7 7.Nf3 (7.Qf3 Nc6 8.Qe3 d5 9.ed6 Qd6-/+) 7...d5 8.ed6 (8.Qb3 g6+=) 8...ed6 9.Bd3 (9.Bb5 Bd7 10.Qe2 Be7 11.Bd7 Qd7-/+ (worse is 11...Kd7 12.0-0+/-)) 9...Be7 (9...Be6 10.Qa4 Nd7 11.Rc1+=) 10.Qc2 Nc6 11.0-0 (11.Nb5!?+= should be investigated more closely) 11...Bg4-/+ 12.Nd4 Qd7?? Black loses the upper hand (better is 12...Nd4!? 13.Qa4 Bd7 14.Qd4 Ne6-/+) 13.Nc6 (13.Ncb5!? Kd8 14.Nc7 (14.Bh7 is clearly weaker 14...Nb5 15.Nb5 Nb4+=) 14...Nd4 15.Bd4 Qc7 16.Qb2+-) 13...bc6= 14.Rae1 (14.Nd1 Kf8=) 14...Ne6 (14...Kf8!?=) 15.h3 White threatens to win material: h3xg4 15...Bh5 16.f4 Rb8 (16...Nd4 17.Qa4 Ne6 18.Nd5+/-) 17.Ne4+= Nc5?? (17...Bg6 18.Bg7 Deflection: d7 18...Rg8 19.Nf6 Bf6 20.Bf6 Bd3 21.Qd3 Rg6+-) 18.Nc5+- dc5 19.Bg7 Rg8 20.Bf6 Bd1 (20...Qd5 desperation 21.Be4 Qd6+-) 21.Qc5 Qh3 22.Qe7 1–0. Euler,Gerd (2410) – Kuhn,Clemens (2010), Hungen op, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3)

    6.Nc3 Nf4 7.Nf3 Qb6 8.Ba3 (8.Qb3 Qb3 9.ab3 Na6+=) 8...Qg6+= 9.Rg1 Nd3 10.Bd3 Qd3 11.Qb3 Nc6 12.Kd1 Nd4 13.Qd5 e6 (better is 13...Qc2!? 14.Ke1 Nf3 15.Qf3 Qg6+=) 14.Qd4+= Qd4 15.Nd4 Ba3 16.Ndb5 Bb2 17.Nd6 Ke7 18.Rb1 Bc3 19.dc3 f6 20.f4 b6 21.Kc2 Rf8 22.Rgf1 Ba6 23.c4 g5 24.g3 h5 25.Kc3 h4 26.Rbd1 gf4 27.gf4 Rg8 28.ef6 Kf6 29.f5 e5 30.Ne4 Ke7 31.f6 Kf7? (better is 31...Kf8 32.Rd7 Rg4+/-) 32.Rd7+- (32.Rd7 Kg6 33.Nd6+-) 1–0. Rub – Mathias, corr, 1989. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3)

    6.dc3 e6

    7.a3 Bc5 8.Qc2 Nc6 9.Nd2 f5 (9...Ne5?! 10.c4 Qb6 11.cd5 (11.Be5?? Bf2 12.Kd1 Ne3 13.Kc1 Nc2 14.Kc2 f6-+) 11...Bf2 12.Kd1=) 10.ef6 Nf6 (worse is 10...gf6 11.Ne4 Qa5 12.Qd2=) 11.Ngf3 d5 12.Bd3 Qc7 13.c4 Be7 14.cd5 ed5 15.0-0 Bg4 16.Rfe1 0-0-0 17.h3 Bd7 18.Ng5 Rhf8 19.Ne6 (19.Bh7? Nh7 20.Re7 Ng5 (20...Ne7?! 21.Qh7 Bf5 22.Qg7-/+) 21.Rg7 Qf4-+) 19...Be6 20.Re6 Bd6 21.Bb5 (21.Bh7 Nh7 22.Qh7 Qb6 23.Bg7 Qf2 24.Kh1 Rf7 25.Rd6 Rd6-/+ (25...Qd2?! 26.Rd8 Nd8 27.Qh8=)) 21...Kb8 22.Rc1 Qf7 23.Re3 d4 24.Re2 (24.Rd3!? Nh5 25.Rf3+=) 24...Rc8 25.Qa4 Rfe8 26.Re8 (worse is 26.Bd4 Nd4 27.Re8 Qe8 28.Rc8 Qc8 29.Qd4 Ba3=) 26...Qe8 27.Nf3 Qe4 28.Bc6 Rc6 29.Re1 Qc2 30.Qd4 a5 31.Ne5 Be5? 32.Qe5 Kc8+/- 33.Rc1 Qd3 34.Rc6 bc6 35.Bd4 Qa3 36.Qe6 Kc7 37.Qf7 Kc8 38.Qe6 Kb7 39.Qf7 Ka6 ½–½. Schulz,Hans Juergen (2010) – Strobel,Holger (2255), Hamburg–ch int, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.dc3 e6)

    7.c4 Qa5 8.Nd2 Nc3 9.Bc3 Qc3 10.Ngf3 Nc6 11.Rc1 Qa5 12.c5 Bc5 (12...Qa2?! 13.Ne4-/+) 13.Bd3 Ba3 14.Rc4 Ne5 15.Ne5 Qe5 16.Re4 Qc3 17.Bc2 Bb4 18.Re2 b6 19.0-0 (19.Be4 Rb8 20.Re3-+) 19...Ba6 20.Ne4 Be2 21.Qe2 Qc6 22.Ng5 Be7 23.Nf3 Rc8 24.Bd3 0-0 25.Ne5 Qc7 26.f4 f5 27.Bb5 Qc5 28.Kh1 Qc2 29.Qe1 Qc3 (29...Qa2 30.Bd7 Rc7 31.Rf2-+) 30.Qe2? (better is 30.Bd7 Qe1 31.Re1-/+) 30...Qc2 31.Qe3?? (31.Qe1 Qa2 32.Bd7-+) 31...Rc3 32.Qe1 Bc5 33.Bd7 g6?? 34.Be6-/+ Kg7 35.Bb3 Qb2 36.Qd1 Rb3 37.ab3 Qd4 38.Qf3 Re8 39.Rd1 Qe4 40.Rd7 Re7 41.Qd1 Qf4 42.Nf3 Rd7 43.Qd7 Kh6 44.Qd1 a5 45.g3 Qe4 46.h4 Qg4 47.Kh2 f4 48.gf4 Bf2 49.Qd5 Bg3 50.Kh1 Bf4 51.Qa8 Qh3 52.Kg1 Be3 0–1. Schulz,Hans Juergen – Stock,Ulrich, Schleswig Holstein–ch U18, 1990. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.dc3 e6)

    7.c4 Qa5 8.Nd2 Nc3 9.Qc2 Na4 10.Ngf3 Nc6 11.a3 Bc5 12.Bd3 Nb2 13.Qb2 Bd4! 14.Qb1 Be5-+ 15.Ra2 h6 16.0-0 0-0 17.Re1 Bc3 18.Re3 Bd2 19.Nd2 d5 20.Rb2 Qc7 21.cd5 ed5 22.Rb5 Qd6 23.Rg3 Be6 24.Nf3 Ne5 25.Ne5-/+ Qe5 26.Qc1 Kh8 27.f4 Qd4 28.Kh1 Rac8 29.Qf1 Rc7 30.f5 Bd7 31.Rb4 Qf6 32.h3 Rfc8 33.Rb1 Bc6 34.Kh2 Re8 35.Rb4 d4 36.Qf4 Rd7 37.h4 Kg8 38.Bc4 Kf8 39.Rb1 Re3! 40.Re3 de3 41.g3 Rd2 42.Kg1 Rg2 (42...Rg2 43.Kf1 Rf2 44.Qf2 ef2-+) 0–1. Schulz,Hans Juergen (2105) – Hegeler,Frank (2330), Wichern op Hamburg (5), 1997.

    7.c4 Qa5 8.Nd2 Nc3 9.Qc2 Na4 10.f4 Nb2 11.Qb2 Qa3 12.Qc2 Qe3 13.Be2 Qf4 14.Ngf3 Bc5 15.Ne4 Qe3 16.Rb1 Nc6 17.Rb3 Nd4 18.Nd4 (18.Re3? Nc2 19.Kd2 Ne3 20.Nc5 Ng4-+ (20...Ng2?! 21.Nd3-+)) 18...Qd4 19.Rb5 Be7 20.Nd2 a6 21.Nf3 Qg4 22.Rb3 Bc5 23.Bd3 b6 24.Be4 Rb8 25.Nd2 Bb7 26.Rf1 Qh4 27.g3 Qh2 28.Bb7 Rb7 29.Qe4 Rb8 30.Qf3 Qh6 31.Qf7 Kd8 32.Rd3 Be7 33.Qf3 Rf8 34.Qc6 Qe3! 35.Re3 Rf1 36.Kf1 dc6 37.Ne4 Kc7 38.Ke2 h6 39.Rd3 Rd8 40.Rf3 Rf8 41.Re3 Rf5 42.Nc3 Bc5 43.Re4 Rf2 44.Kd1 Rf3 45.Ne2 Kd7 46.g4 Ra3 47.Nc1 Re3 48.Re3 Be3 49.Nd3 c5 50.Ke2 Bd4 51.a4 Kc6 52.Kf3 Bc3 53.Ke4 Bd2 54.Nf2 b5 55.ab5 ab5 56.Kd3 Bf4 57.Ke4 Bg3 58.cb5 Kb5 59.Nd1 Be1 60.Ne3 c4 61.Kf3 Kc5 62.Nc2 Bc3 63.Ke4 Kb5 64.Ne3 Kb4 65.Ng2 Bd2 66.Kd4 (66.Nh4-+) 66...Kb3 67.Nh4 c3 68.Kd3 Bg5 (better is 68...c2 69.Kd2 Kb2-+) 69.Nf3 Kb2 70.Ne1 Bd2 71.Nc2 Bf4 72.Ne1 Be5 73.Ke4 Bf6 0–1. Schulz,Hans Juergen (2095) – Pajeken,Wolfgang (2320), Hamburg–ch int, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.dc3 e6)

    7.c4 Qa5 8.Nd2 Nc3 9.Qc2 Na4 10.f4 Nb2 11.Qb2 Ba3 12.Qc2 Nc6 13.Ngf3 d6 14.ed6 Bd6 15.a3 Bf4 16.c5 Bd7 17.Rb1 Qa3 18.Nc4 Qc5 19.Rb7 Rd8 20.g3 (20.Qe4 Qf5 21.Qf5 ef5-+) 20...Bb8 (better is 20...Nb4!? 21.Qb1 Bc6 22.Qb4 Qb4 23.Rb4 Bf3 24.Rg1-+) 21.Qb2 0-0 22.Rb5 Qe7 23.Bd3 e5! 24.0-0 f5 25.Re1 e4 26.Nh4 Qf6 27.Qa2 ed3 28.Nd6 Kh8 29.Ndf5 Nd4 30.Ng6 Qg6 (30...Qg6 31.Rb8 d2 32.Qd2 Nf3 33.Kf2 Nd2-+) 0–1. Schulz,Hans Juergen (2100) – Gullaksen,Eirik T (2325), Hamburg–ch int, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.dc3 e6)

    6.Nc3 Nc3

    7.Bc3 Nc6 8.Rb1 d5 9.d4=+ b6 10.Nf3 e6 11.Qa4 Bd7 12.Bb5 Qc8 13.Qc2 Ne7 14.Bd3 Ng6 15.g3 Qc6 16.0-0 Rc8-/+ 17.Rfc1 Ba3 18.Bb2 Qc2 19.Rc2 Rc2 20.Bc2 Bb2 21.Rb2 Ne7 22.Bd3 Nc6 23.Bb5 0-0 24.Kf1 f6 25.a4 fe5-/+ 26.Ne5 Ne5 27.de5 Bb5 28.ab5 g5 29.Rb4 Rf7 30.Ke2 Rf5 31.Ra4 Re5-+ 32.Kd3 Rf5 33.Ra7 Rf2 34.Re7 Rh2 35.Re6 Rh3 36.Rb6 Rg3 37.Kd4 Rb3 38.Kd5 Kg7 39.Kc5 g4 40.Re6 h5-+ 41.Re4 g3 0–1. Gabriel,Robert A (1780) – de Leeuw,Dirk (1655), IECC, 1998.

    7.Bc3 d5 8.ed6 Qd6 9.Rb1 Nc6 10.Nf3 b6 11.Bc4 Be6 12.Bb5 Bd7 13.0-0 f6 14.Re1 e6 15.Nh4 Kd8 16.Ba6 Be7 17.Nf3 Rg8 18.Qc2 g6 19.Re3 Ke8 20.Rd3 Qc7 21.Re3 e5 22.Bc4 Bf5 23.Qb3 Rg7 24.Rbe1 Kf8 25.d4 ed4 26.Nd4 Nd4 27.Bd4 Bc5? (27...Qd6 28.Bc3 Rc8 29.a3=) 28.Bb5?? (better is 28.Qc3 Bd4 29.Qd4+-) 28...Bd7 29.Qd5 Rd8 30.Bf6 Be3 (30...Be3 31.fe3 Bb5 32.Bd8 Qd7=) 0–1. Milin,Dragan (2125) – Markovic,Nikola S (1945), Belgrade–ch, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    7.Bc3 d5 8.ed6 Qd6 9.Nf3 Nc6 10.Bc4 Be6 11.Qb3 Bc4 12.Qc4 e6 13.Rb1 b6 14.Qa4 Rc8 15.0-0 Qd7 16.Qg4 f6 17.Rfe1 Kf7 18.Rb5 Be7 19.Qh5 g6 20.Qh6 e5 21.a4 Bc5 22.h3 Rce8 23.Rbb1 Qd3 24.a5 b5 25.Rbc1 Rc8 26.Bb2 Qd5 27.Kh1 Nd4 (better is 27...a6!?-+) 28.Nd4+= ed4 29.Ba3 Rc6 30.Bc5 Rc5 31.Re7 (31.Kg1 b4+=) 31...Ke7-/+ 32.Qg7 Ke6 33.Re1 Kf5 34.Qh8 h5 (34...Qc6 35.Qh7 Rc1 36.Rc1 Qc1 37.Kh2 Qd2 38.Qa7 Qf4 39.Kg1 Qc1 40.Kh2=) 35.Qh6 Qc6 36.f3 Re5 37.Re5 Ke5 ½–½. Bender,K – Zeltwanger,A, corr JMZ–06, 1988. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    7.Bc3 d5 8.ed6 Qd6 9.Nf3 Nc6 10.Bc4 Be6 11.Be2 Bd5 12.0-0 f6 13.Qa4 e5 14.Rab1 Rb8 15.Rfe1 Be7 16.Rb5 a6 17.Rb6 Qc7 18.Ba5 Qd7 19.Bc3 Bc5 20.Rb2 0-0 21.Bc4 b5 22.Bd5 Qd5 23.Qa6?? (better is 23.Qb3 Qb3 24.Rb3-+ (24.ab3?? b4-+)) 23…Rb6 (23...Rb6 24.Qb6 Bb6-+) 0–1. Schulz,Hans Juergen (2070) – Ftacnik,Lubomir (2575), Hamburg–ch int, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    7.Bc3 d5 8.Nf3 Nc6 9.Bb5 Bd7 10.Qb3 e6 11.h4 Be7 12.Rb1 0-0 13.Bd3 b6 14.Qd1 d4 15.Ba1 h6 16.g4 Nb4 17.Be4 Bc6 18.Rb4 Be4 (18...Bb4?! 19.Bc6 Rc8 20.Qa4= (20.Nd4? Bc5-+)) 19.Rd4 Bf3 (19...Bd5 20.Rd3-/+) 20.Qf3 Qc7 21.Rf4 Bh4 22.Rh4 Qc1 23.Ke2 Qa1 24.Qe4 Qa2 25.Rf6?? (25.g5 Rfd8 26.gh6 Qd2 27.Kf1 gh6 28.Rh6 Qd1 29.Kg2-/+) 25...Rad8 26.Rf3 Rd4 (26...Rd4 27.Qd4 Rc8+-) 0–1. Holleville,Armand – Rissanen,Heikki, FIN–FRA corr, 1988. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    7.Bc3 g6 8.e6 f6 9.Nf3 de6 10.Bc4 Nc6 11.Qb3 Qd6 12.0-0 Bg7 13.Ng5 Nd8 14.Rae1 e5 15.Ne4 Qc7 16.d4? (better is 16.f4 Bf5 17.fe5 fe5 18.Bb5 Nc6 19.Ng5 Qb6 20.Kh1=) 16...f5-+ 17.Ng5 ed4 18.Bb4 Bf6 19.Nf7 Nf7 20.Bf7 Kf8 21.Be6 Kg7 22.Bc8 Rhc8 (22...Qc8?! 23.Be7 Qd7 24.Qb4-/+) 23.Re6 a5 24.Bd2 (24.Ba3 Qd7 25.Rfe1 Rc3-+) 24...Qc2 25.Qb7 Qd2 (25...Qd2 26.Re7 Kg8-+) 0–1. Hartmann,Ralf – Siats,Norbert, GER theme, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    7.Bc3 e6

    8.Bc4 b6 9.Qg4 h5 10.Qg3 Bb7 11.Nf3 h4 12.Qg4 Na6 13.h3 Rc8 14.Be2 Rh6 15.0-0 Rg6 16.Qh5 Nb4 17.Bb4 (17.Nh4?? Qh4!? 18.Qh4 Rg2 19.Kh1 Rf2 20.Bf3 Bf3 21.Kg1 Rg2 22.Kh1 Rg4 23.Rf3 Rh4-+) 17...Bb4 18.Bd3 Rh6 19.Qg4 Bf3 20.Qf3 Rc5 21.a3 (21.Qf4!? Ba5 22.Ba6=+) 21...Bd2-/+ 22.Rad1 Bc3 23.a4 (23.Bb5 Rb5 24.Qc3 Rc5-/+) 23...Be5-+ 24.Bb5 Rf6 25.Qe2 Qa8 26.Rd7 Kf8 27.Qd3 (27.Bd3 Qb8-/+) 27...Bc7 28.Rc7 (28.Qd4 Rg6 29.f3 Rh6-/+) 28...Rc7-+ 29.Qd6 Re7 30.Rd1 g6 31.Rc1 a6 (31...a6 32.Bd7 Qe4 33.Rc8 Kg7=) ½–½. Bruning,O – Williams,Barry, corr ICCF TT/15/01/1, 2001.

    8.d4 d5 9.Nf3 Nc6 10.Bd3 Be7 11.0-0 0-0 12.Nd2 f6 13.f4 Bd7 14.Qh5 f5 15.Rab1 Rb8 16.Bb5 a6 17.Bc6 Bc6 18.Bb4 Bb4 19.Rb4 Qa5 20.Rb2? (better is 20.Rfb1 Qa2 21.R4b2-+) 20...Qc3 21.Rfb1 Qd4 22.Kh1 Qf4 23.Nf3 Be8 24.Qg5 Qg5 25.Ng5 Bb5 26.Rc1? Rfc8 27.Rbc2 Bd7 28.Nf3 Rc2 29.Rc2 Rc8 30.Rc8 Bc8 31.Nd4 Bd7 32.Kg1 Kf7 33.Kf2 Bb5 34.g3 Bc4 35.a3 h6 36.h4 Bb5 37.Ke3 Bd7 38.h5 g6 39.Ne2 g5 40.Kd4 b6 41.Ke3 Ke7 42.Kf3 Be8 43.g4 f4 44.Nd4 Ba4 45.Kf2 Bd1 46.Nc6 Ke8 47.Nd4 Kd7 48.Ne2 Be2 49.Ke2 Kc6 50.Kd3 Kc5 51.Ke2 Kc4 52.Kd2 d4 53.Ke2 Kc3 54.Kd1 f3 55.Ke1 d3 56.a4 d2 57.Kd1 f2 58.Ke2 f1Q! 59.Kf1 d1Q 60.Kg2 Qg4 (60...Qg4 61.Kf2 Kd3 62.Kf1 Ke3 63.a5 ba5 64.Ke1 Qe2) 0–1. Strozyk,Aleksandra – Ostrowska,Weronika, Wielkopolska III Liga Juniorow Poland, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3)

    8.Nf3 b6 9.Bc4 Bb7 10.0-0 Na6 11.Rb1 Nc7 12.a4 Be7 13.d4 Nd5 14.Bd2 Rc8 15.Qe2 0-0 16.Rb3 f5 17.ef6 Bf6 18.Ne5 Be5 19.de5 Nf4 20.Bf4 Rf4 21.Bb5 Rc5 22.Qd2 Rf7 23.f4 Qc7 24.Rd3?? (better is 24.Bd3-/+) 24...Rc2-+ 25.Rd1 Rd2 26.R3d2 Rf4 27.Bd7 Qc5 28.Kh1 Bd5 29.Bb5 Rf2 (29...Rf2 30.Rf2 Qf2-+) 0–1. Suchsland,Helmut (1720) – Maugg,Ludwig (2040), Wch Seniors, 2003. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    8.Nf3 Nc6 9.Be2 Bb4 10.Bb4 Nb4 11.Qa4 Nc6 12.Qg4 0-0 13.0-0 d6 14.d4 b6 15.Qh5 f5 16.Rac1 Ne7 17.Rfd1 Nd5 18.Ng5 h6 19.Nh3 Kh7 20.f4 g6 21.Qf3 Bb7 22.Qa3 de5 23.de5 Rf7 24.Rc4 Qe7 25.Ra4 Qa3 26.Ra3 Rc7 27.Bf3 a5 28.Rb3 a4 29.Rb2 Rac8 30.Kf2 Rc2 31.Rd2 Rd2 32.Rd2 b5 33.Ng1 b4 34.Ne2 g5 35.g3 g4 36.Bg2 Rc5 37.Nd4 Bc8 38.Nf5 Nf4 39.gf4 ef5 40.Bd5 Kg7 ½–½. Knudsen,JesW (2015) – Jacobsen,Mad (1830), Copenhagen Chess Challenge, Ballerup DE, 2009.

    8.Qg4 g6 9.h4 h5 10.Qa4 Bg7 11.Nf3 Nc6 12.Bd3 0-0 13.g4 d6 14.gh5 Ne5 15.Ne5 de5 16.Bc2 Bd7 ½–½. Bender,K – Graeser,K, corres BdF–Meisterkl–VorrJ18, 1986. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    8.Qg4 h5 9.Qg3 g5 10.h4 g4 11.f3 Rg8 12.Be2 d5 13.fg4 hg4 14.Qf4 Be7 15.g3 Nc6 16.Bg4 d4 17.Bb2 Qb6 18.Bc1? (better is 18.Rb1 Nb4 19.Be2 Nc2 20.Kf2 d3 21.Kg2 de2 22.Qa4 Bd7 23.Qc2 Bc6 24.Nf3-+) 18...Nb4-+ 19.Kd1 Qc6 20.Bf3?? (20.Bh5 Rf8 21.Rh2 Qa4 22.Ke2 Qa6 23.Kf3 Qf1 24.Rf2 Qg1 25.Bb2 Qf2 26.Kf2 Nd3 27.Kf3 Nf4 28.Kf4-+) 20...Qc2-+ 21.Ke2 Nd3 (better is 21...Qc4 22.d3 Qd3 23.Kf2-+) 22.Qe4 Nc1 23.Kf1 (23.Ke1 d3 24.Qd4 Na2-+) 23...Qd2 24.h5 Nd3 25.Nh3 Qe3 (25...Rg3?! 26.Rd1 Rf3 27.Qf3 Ne5 28.Rd2 Nf3 29.Rd3-+) 26.h6 Qe4 (26...Rg3 27.Qe3 de3 28.h7 Rf3 29.Kg2 Rh3 30.Kh3 Nf4 31.Kh2=) 27.Be4 Ne5 0–1. Bruning,Olivier – Theunissen,Marjolein, Arnhem OSKA op, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.c4 bc3 6.Nc3 Nc3)

    5.Bc4 Nb6

    6.Bb3 Nc6 7.a3 e6 8.ab4 Bb4 9.Na3 0-0-/+ 10.Nf3 d5 11.ed6 Bd6 12.0-0 a6 13.Nc4 Nc4 14.Bc4 Bd7 15.Qe2 Rc8 16.Qe4 Be7 17.Bd3 g6 18.Qf4 f6 19.Qh6 Rf7 20.h4 Bf8 21.Qe3 Ne7 22.Nd4 e5-+ 23.Nf3 Nd5 24.Qe1 Nb4 25.Qe2 Nd3 26.cd3 Bc6 27.Rfc1 Qd7 28.Ne1 Rd8 29.h5 gh5 30.Qh5 Rg7 31.Rc4 Qf7 32.Qh2 Bd6 33.Rh4 Qg6 34.g3 Bc5 35.Rc1 Bb6 36.Rc6?! bc6 37.Qh3 Qg3 38.Qg3 Rg3 39.Ng2 Rg7 40.Rb4 Ba7 41.Rb3 h5 42.Kf1 Kh7 43.Ne3 Kg6 44.Ke2 Rb8 (44...Rb8 45.Rb8 Bb8-+) 0–1. Cierny,Lubomir – Lanc,Alois (2435), SVK–ch Topolcianky (2), 1994.

    6.Bb3 Nc6 7.d4 d5 8.ed6 Qd6 9.Qf3 Be6 10.Ne2 Bd5 11.Bd5 Qd5 12.Qd5 Nd5 13.0-0 Na5 14.Nd2 Rc8 15.Rfc1 e6 16.a3 b6 17.ab4 Bb4 18.c3 Be7 19.c4 Nf6 20.Bc3 Nc6 21.d5 ed5 22.cd5 Nd5 23.Bg7 Rg8 24.Nd4 Rg7 25.Rc6 Rc6 26.Nc6 a5 27.Nc4 Rg6 28.Ne7 Ke7 29.Na5 (29.Kf1-+) 29...ba5 30.Ra5 Ke6 31.g3 Rg5 32.h4 Re5 33.Ra6 Ke7 34.Kg2 Nf6 35.Kf3 Rf5 36.Kg2 h5 37.Ra2 Kf8 38.Ra6 Kg7 39.Ra2 Rb5 40.Rc2 Ng4 41.Ra2 Ne5 42.Rc2 Kg6 43.Ra2 f6 44.Rc2 Rb1 45.Ra2 Nd3 46.Kf3 Rb2 47.Rb2 Nb2 48.g4 hg4 49.Kg4 f5 50.Kf4 Nd3 51.Ke3 Ne5 52.f3?! (52.Kf4 Nc6-+) 52...Kf6 53.h5 Nf7 54.f4 Kg7 0–1. Houtman,Joop – Rogers,Ian (2545), Groningen GAM, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6)

    6.Bb3 Nc6 7.Ne2 e6-/+ 8.0-0 g6 9.d4 Bg7 10.c4 bc3=+ 11.Nbc3 d5 12.Ba3= a6 13.Rc1 Nd7 14.Nd5 ed5-/+ 15.Bd5 Bf8 16.Bb2 Nb4 17.Bf7 Kf7 18.e6 Ke8 19.ed7 Qd7 20.d5 Rg8 21.Nf4? Qd6?? 22.Re1+- Kd8 23.Ne6 Be6= 24.Re6 Qd5 25.Qe2 Kd7 26.Re4 Bd6+= 27.Rd1 Nd3?? 28.Rd3+- Qd3 29.Qd3 (29.Qd3 Rge8 30.f3 Re4 31.fe4+-) 1–0. Stoynov,Emil (1775) – Thomas,Jeff, IECC, 2001.

    6.Bb3 Qc7 7.Nf3 Nc4 8.Bc4 Qc4 9.d3 Qg4 10.0-0 b6 11.c4 bc3 12.Nc3 Bb7 13.Ne4 Be4 14.de4 Qe4 15.Rc1 Nc6 16.Re1 Qg4 17.h3 Qf5 18.Qa4 Rd8 19.Red1 (19.Red1 Qe6 20.Nd4 Nd4 21.Bd4+=). Serfling,Rainer (2360) – Bassenhoff,Uwe (1900), BdF HS–008 remoteschach.de, 2004.

    6.Bb3 d5 7.ed6 Qd6 8.Nf3 Be6 9.0-0 Nc4 10.Bc4 Bc4 11.Re1 Nc6 12.d3 Bd5 13.Nbd2 Qh6 14.Ne4 e6 15.Nfd2 Be7 16.Re3 0-0 17.Rh3 Qf4 18.Rf3 Qc7 19.Rh3 e5 20.Qh5 h6 21.f4 f5-+ 22.Ng3 Bf7 23.Qf5 ef4 24.Nge4 Nb8?? 25.Qg4?? Bc5?? 26.Nc5?? Qc5=+ 27.Kh1 Qg5 28.Qe2 Re8 29.Ne4 Qf5 30.Qf2 Bd5 31.Rg3 Re7 32.Nf6+/- Kh8 33.Nd5 Qd5 34.Qf4 Qe6?? 35.Qf8 (35.Qf8 Qg8 36.Qe7 a6 37.Bg7 Qg7 38.Qg7) 1–0. Meczynski,Waldemar (2205) – Walach,Marcin, Poland–chB Bielsko–Biala (10), 1991.

    6.Bb3 e6

    7.a3 Nc6 8.d4 d6 9.ed6 Bd6 10.Qg4 0-0 11.Nf3 e5 12.Qh5 ed4 13.0-0 Qf6 14.ab4 Bb4 15.c3? (better is 15.Rd1 g6 16.Qh6-+) 15...dc3 16.Nc3 Qf5 (16...Bc3!? 17.Ng5 Qf5 18.Bc3-+) 17.Ng5? (17.Qh4 Qg4-+) 17...Ne5 (better is 17...h6 18.Bf7 Rf7 19.Qf7 Qf7 20.Nf7 Kf7-+) 18.Nce4 Be6?? (18...Nbc4 19.f4 Nd3 20.Bg7 Kg7 21.Bc4+=) 19.Bc2?? (better is 19.Ng3 Nf3 20.gf3+-) 19...h6-+ 20.f4 Qg6 (better is 20...Ng4 21.h3 Rfc8 (21...hg5?? 22.hg4 Qc5 23.Nc5 Bc5 24.Kh1+-) 22.hg4 Qg4 23.Nf6 gf6 24.Qh6 Rc2 25.Qh7 Kf8 26.Ne6 fe6 27.Qc2 Nd5=) 21.Nf6+- Qf6 22.Be5 Qe7 (22...Nd7 23.Bf6 Nf6+-) 23.Qh6!! (23.Qh6 Qc5 24.Kh1 Qg1 25.Rg1 gh6 26.Bh7) 1–0. Faccia,Sergio – Di Lazzaro,Gabriele (2095), Venice op, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6)

    7.a3 Nc6 8.Nf3 Na5 9.0-0 Nb3 10.cb3 Nd5 11.d4 b6 12.Qd3 a5 13.Rc1 Bb7 14.Qe4 Rb8 15.Qg4 h5 16.Qg5 Qg5-+ 17.Ng5 Nf4 18.Rc7 f6 19.Nf3 Kd8 20.Rc2 Be4 21.Rd2 Bb1 22.Rb1 ba3 23.Bc1 b5 24.Ra1 b4 25.Rc2 Nd3 26.Be3 a4! 27.Nd2 ab3 28.Nb3 fe5 29.Rd2 e4 30.f3 d5 31.fe4 de4 32.Nc5 Bc5 33.dc5 Kc7 0–1. Sellberg,Joel – Korhonen,Jukka, FIN–chT, 1990.

    7.d3 Be7 8.Nd2 f5 9.Qh5 g6 10.Qe2 a5 11.Ngf3 Nc6 12.Nc4 0-0 13.h4 (better is 13.0-0!?+=) 13...a4-/+ 14.Nb6 Qb6 15.Bc4 Qa5 16.d4 b5! 17.Bb5 a3 (better is 17...b3!? 18.Nd2 bc2 19.Bc6 Rb8 (19...dc6?! 20.Qc4-/+) 20.Ba4 Rb2 21.Bc2 Rc2-+) 18.Bc1+= b3 19.Bd2 b2 20.Rb1 Bb4 21.c3? (better is 21.Bc6!? dc6 22.h5+=) 21...Bc3-/+ 22.Bc6 dc6 23.Qc4 Bd2 24.Nd2 Qd5 25.Qd5 cd5 26.Nb3 Ba6 27.Kd2 Bc4 28.Rh3 Rfc8 0–1. Muniz,Alexandre – Pereira,A, CXEB corr, 1981. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6)

    7.Nf3 Nc6 8.a3 a5 9.ab4 ab4 (9...Bb4!? 10.0-0 0-0-/+) 10.Ra8 Na8 11.d4 d5 12.0-0 Be7 13.c4 dc4 14.Bc4 Nb6 15.Bb5 Nd5 16.Nbd2 0-0 17.Nb3 Qb6 18.Bd3 Bd7 19.Qd2 Rc8 20.Rc1 Na7 21.Rc8 Nc8 22.Qc2 g6 23.Bc1 Nc3 24.Bd2 Qc7 25.Nc5 Bc5 26.Bc3 bc3 27.Qc3? Bb6 (27...Bb6 28.Qc7 Bc7-+) 0–1. Cepela,Vladimir (1790) – Curidlo,Jan (1925), Piestany op, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6 6.Bb3 e6)

    7.Nf3 Nc6 8.a3 d5 9.ed6 Bd6 10.0-0 0-0 11.Re1 a5 12.a4 Bc5 13.Qe2 Nd4 14.Qe5 Nd7 15.Qh5 Qf6 16.Ng5 Qf5-+ 17.Qh4 Nb3 18.cb3 Bf2! 19.Qf2 Qg5 20.d3 Ra6 21.Nd2 Qg6 22.Re3 e5 23.Nc4 f6 24.Rg3 Qf7 25.Rf1 Qe7 26.Bc1 f5 27.Bg5 Qf7 28.Rh3 Rg6 29.Qh4 h6 30.Bc1 f4 31.Bb2 Qd5 32.Rhf3 b6 33.Qe1 Bb7 34.Be5 Re8 35.d4 Ne5 36.de5 b5 37.Nd2? ba4 38.ba4 Re5 39.Qf2 Re3 40.Kh1 Qd3 41.Re3 fe3 42.Qf7 Kh7 43.Qb7 ed2 44.Rd1 Re6 (44...Re6 45.h3 Re1 46.Kh2 Rd1-+) 0–1. Sellberg,Joel – Fastberg,Juuso, FIN–chT, 1990.

    7.f4 Nc6 8.a3 Na5 9.ab4 Nb3 10.cb3 Bb4 11.Qg4 0-0 12.Ne2 Nd5 13.Nbc3 Nc3 14.Bc3 Qb6 15.Bb4 Qb4 16.Ng3 d6 (worse is 16...Qb3 17.Nh5 g6 18.Nf6 Kg7 19.Nh5 Kh8 20.Qh4 gh5 21.Qf6 Kg8 22.Qg5 Kh8 23.Qf6 Kg8 24.Qg5 Kh8 25.Qf6=) 17.0-0 (better is 17.Nh5!? Qe4 18.Qe2-/+) 17...de5-+ (17...Qd2?! 18.Nh5 g6 19.Nf6 Kg7 20.Qh3 de5 21.Rad1=) 18.Ra4 Qb6 19.Kh1 f5 20.Qg5 Bd7 21.Nh5 Rf7 22.fe5 Ba4 23.Nf6 (23.ba4 Rc7 24.Qf4-+) 23...Kh8 24.Nh7 Kh7 25.Rf4 (25.ba4 Qd4 26.h3-+) 25...Rc8 26.Rh4 Kg8 27.d4 Qb3 (27...f4 28.h3 Rc1 29.Kh2 Qd4 30.Rf4 Rf4 31.Qd8 Qd8 32.ba4 Qd4 33.a5 Rf2 34.Kg3 Qf4) 28.h3 Qb1 29.Kh2 Rc1 (29...Rc1 30.Kg3 Rh1-+) 0–1. Floderer,Andreas – Mathias,Manfred, ICCF–Cup8 V074 corr, 1990. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6)

    7.f4 Nc6 8.a3 d6 9.ed6 Qd6 10.Ne2 Be7 11.0-0 0-0 12.Ng3 Nc4! 13.Bc4 Qc5 14.Kh1 Qc4 15.d3 Qd5 16.c4 Qd8 17.Nh5 f6 18.ab4 g6 19.Ng3 Nb4 20.Rf3 Qd6 21.Ne4 Qc6 22.Rg3 Bd7 23.Qh5 Be8 24.Qh6? (24.Qe2 Qc7-/+) 24...Rf7 (better is 24...Nd3 25.Ng5 Rf7 26.Nf7 Nf2 (26...Nb2? 27.Rh3 Bc5 28.Qh7 Kf8 29.Nd2+-) 27.Kg1 Bf7-+) 25.Nbd2+= Rd8 26.Ra3 a6 27.d4 e5 28.f5 Rg7 (28...ed4?? 29.fg6 Rg7 30.gh7 Kf7 31.Rg7 Ke6 32.h8Q+-) 29.Rg4 (29.de5? Qe4! 30.Ra1 Qf5 31.ef6 Bf6-+) 29...ed4 30.Rh3 Qc4?? (better is 30...Nc2-+) 31.Nb3 (better is 31.Nc4 b5 32.Ncd2+-) 31...Nc2 (31...Qf1) 32.fg6 (32.Rf4 Qe2 33.Nbd2 Ne3 34.Re3 Qe3-+) 32...Bg6 (32...Qf1) 33.Rg6 (33.Ng3 Ne3 34.Rd4 Qb3 35.Nf1 Rd4 36.Bd4-+) 33...hg6 (33...Qf1) 34.Qh8-+ Kf7 35.Ng5 fg5 36.Rf3 Ke6 37.Qg7 Qb4?? (better is 37...Kd7 38.Nd4 Rg8-+) 38.Qg6= Kd7 39.Qf5 Kc7?? 40.Qe5?? Qd6?? 41.Qe4+= Nb4 42.Ba3? b6 43.Rf7 Rd7 44.Nd4 Kb8?? 45.Bb4+= (45.Bb4 Qb4 46.Re7 Qd4 47.Re8 Kc7 48.Qc2 Qc5 49.Qb1+=) 1–0. Nilsson,Nils Roland – Norevall,Ulf, corr Sweden 1/424, 1989. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6)

    7.f4 Nc6 8.Nf3 Na5 (8...d5 9.a3-/+) 9.0-0+= Be7 10.d3 Nb3 11.ab3 Nd5 12.Qd2 b5 13.c4 bc3 14.Nc3 (14.Nc3 Qb6 Double attack; 14.Bc3 Bb7 Combination) 14...Bb4 (14...Qb6 15.Rf2 Bb7 16.Nd5 Bd5 17.Bd4-/+) 15.Ng5 (15.Nd4 Bb7=) 15...Qb6 16.Kh1 Bc3 17.Bc3 Nc3 18.Qc3 b4 19.Qe1 Bb7 20.f5 ef5 21.Rf5 Qg6 22.Ne4 Be4 23.de4 Qb6 24.Rd1 Rc8 25.h4 (25.Qf1!? Rf8 26.Qd3=) 25...Rc3-/+ 26.Qf1 Rf8 (26...Rb3 27.Rf7 Qe6 28.Rfd7 Qd7 29.Rd7 Kd7 30.Qf7 Kc8 31.Qb3+-) 27.e6 de6 28.Rb5 Qc6 29.Rb4 f5 30.Qg1 Qc5 (30...Qc7!?-/+) 31.Rb8= Ke7 32.Rb7 Kf6 33.ef5 Qg1 34.Kg1 ef5 35.Rdd7 Rg8 36.h5 (36.Rd6 Ke5 37.Ra6 Kf4=) 36...g5 (36...h6!?+=) 37.Rh7 g4 38.Rhf7 Kg5 39.Rb5 Kh5 ½–½. Bender,K – Eickhoff,H, corres BdF–Meisterkl–VorrJ18, 1986. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6)

    7.Qg4 Nc6 8.d4 Na5 9.Nd2 Nb3 10.cb3 d5 11.ed6 Qd6 12.Ngf3 Nd5 13.Ne5 Nf6 14.Qg3 Nd7 15.Ndc4 Qd5 16.0-0 f6 17.Ne3 Qd6 18.N3c4 Qd5 19.Nd3 Nb6 20.Nf4 Qg5 21.Qf3 Nc4 22.bc4 Bd6 23.Ne6+= Be6 24.Rfe1 0-0-0 25.Re6 Rhe8 26.Qh3 Re6 27.Qe6 Kb8 28.Re1 Qd2 29.Qe2 Qe2 30.Re2 Kc8 31.g3 Kd7 32.Kf1 Rc8 33.c5+= Bf8 34.Ke1 Rc6 35.a3 ba3 36.Ba3+= Kd8 37.Rb2 Ra6 38.Bb4 Ra4 39.Ke2 Kc7 40.Kd3 Kc6 41.Ke4 a5 42.Bc3 Bc5 43.Kd3 Bb4 44.Bb4=+ Rb4 45.Rc2? Kd7-/+ 46.Ke4 a4-+ 47.Ra2 Kd6 48.g4 b5 49.h4 Rb3 50.f4 a3 51.g5 b4 52.h5 fg5 53.h6 gf4 54.hg7 Rg3 55.g8Q Rg8 56.Rh2 Ra8 57.Rh6 Kc7 58.Rh7 Kb6 59.Rh6 Kb5 60.Rh5 Kc4 (60...Kc4 61.Rc5 Kb3-+) 0–1. Schneider,Georg – Winkeler,Uwe, NRW–Liga II Germany, 1987.

    7.Qg4 h5 8.Qg3 h4 9.Qg4 Rh6 10.d4 Rg6 11.Qf4 d5 12.g3 Nc4 13.Bc1 a5 14.c3 a4 15.Bc2 Rh6 16.Qf3 Rh8 17.Ne2 Nc6 18.0-0 bc3 19.Nbc3 Nb4 20.Ba4 Bd7 21.Bd1 Na3 22.Bb3 Nbc2 23.Bc2 Nc2 24.Rb1 Nb4 25.Qg4 Nd3 26.Bg5 Qc7 27.Rfd1 hg3 28.Rd3 gf2 29.Kh1 f5 30.Qg3 Ra2? 31.Qf2 Rc2 32.Bf4 Qc4 33.Qg3 b5 34.Ra1 Qc8 35.Qg6+- Kd8 36.Bg5 Kc7 37.Qf7 Kb6? 38.h4?? b4 39.Na4 Kb5 40.Re3 Rc7?? 41.Nac3 bc3+= 42.Nc3 Kc4 43.Ne2 Bc6?? 44.Rc3+- Kb5 45.Rb1 Bb4? 46.Be7 Rh4 47.Kg2 Qh8 48.Rb4 (48.Rb4 Ka6 49.Ra3 Ba4 50.Raa4) 1–0. Schneider,Georg – Reinke,Kurt (1835), Bad Woerishofen Seniors op, 1999. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Bc4 Nb6 6.Bb3 e6)

    5.d4 Nc6

    6.Bd3 d6 7.ed6 e6 8.Nf3 Bd6 9.0-0 0-0 10.c4 bc3! 11.Nc3 Ncb4 12.Bb1 Nc3 13.Bc3 Nd5 14.Bd2 Bf4 15.Re1 b6 16.Ne5 Bd2-/+ 17.Qd2 Bb7 18.Be4 Qe7 19.Rac1 Rac8 20.f4 Nf6 21.Bb7 Qb7 22.Rc8 Rc8 23.Rc1 Nd5 24.g3 a5 25.a3 Rc1 26.Qc1 Qc7 27.Qc7 Nc7 28.Nc4 Nd5 29.Kf2 a4 30.Ke2 b5-+ 31.Nd6 b4 32.Nc4 Nb6! 33.Ne3 ba3 34.Nc2 a2 35.Na1 Nc4 36.Kd3 Na5 37.Kc3 Nb3! 38.Kb2 Kf8 39.Ka2 Na1 40.Ka1 Ke7 41.Ka2 Kd6 0–1. Guzinski,Bartlomiej – Witkowski,S (2160), Open Kazimierz Dolny Poland (3), 2001.

    6.Nf3 d6 A) 7.Bb5 Qa5 8.Bd3 (8.Bc4 de5 9.Ne5 Bf5 10.0-0 e6 11.a3 Ne5 12.de5 Bc5 13.Bb3-/+ –1.06; 8.Be2 de5 9.Ne5 Ne5 10.de5 Bf5 11.Qd2 e6 12.a3 Bc5 13.Bd3-/+ –1.22) 8...Nf4 9.0-0 d5 10.a3 Bg4 11.h3 Nd3 12.Qd3 Bf3 13.Qf3-/+ –1.03; B) 7.c3 B1) 7...Bg4 8.h3 (8.c4 Nb6 9.ed6 ed6 10.Nbd2 Qe7 11.Qe2 Na4 12.Bc1 Nc3 13.Qe7-/+ –0.97) 8...Bf3 9.Qf3 bc3 10.Nc3 Ndb4 11.0-0-0 Rc8 12.Kb1 e6 13.a3-/+ –0.78; B2) 7...Bf5 8.c4 Nf4 9.Qd2 Ng6 10.ed6 Qd6 11.d5 Nd8 12.Qe3 Qf4 13.c5= –0.22; B3) 7...de5 8.Ne5 bc3 9.Nc3 Nc3 10.Bc3 Be6 11.Qa4 Bd5 12.Rb1 Qc7 13.Bc4+= –0.59; B4) 7...Qa5 8.c4 (8.Qd2 Bf5 9.ed6 Bb1 10.cb4 Ndb4 11.Rb1 Qa2 12.d7 Kd7 13.Rc1-/+ –1.09) 8...Nc3 9.Qb3 Na4 10.ed6 ed6 11.Bc1 Be7 12.a3 Nb6 13.Bd2+= –0.44; B5) 7...bc3 8.Nc3 Be6 9.Bb5 a6 10.Ba4 Nc3 11.Bc3 de5 12.de5 Qd1 13.Bd1-/+ –0.94; C) 7.c4 bc3 8.Nc3 Be6 9.Bb5 de5 10.Ne5 Nc3 11.Bc3 Bd5 12.0-0 e6 13.Qa4-/+ –0.75.

    6.Nf3 e6

    7.Bb5 A) 7...a6 8.Bc4 (8.Be2 Nf4 9.0-0 d6 10.Nbd2 b5 11.c4 bc3 12.Bc3 Bb7 13.Rb1-/+ –1.12; 8.Bd3 Nf4 9.0-0 Nd3 10.cd3 d5 11.Nbd2 Be7 12.Rc1 0-0 13.Nb3-/+ –1.03) 8...d6 9.0-0 Be7 10.a3 b5 11.Bd5 ed5 12.ab4 de5 13.Ne5-/+ –0.78; B) 7...Be7 8.0-0 (8.c4 bc3 9.Nc3 Bb4 10.Rc1 Qa5 11.Qd3 Bc3 12.Bc3 Nc3 13.Rc3-+ –2.81; 8.c3 bc3 9.Bc3 0-0 10.0-0 d6 11.Qc2 Bd7 12.Bd3 f5 13.ef6-/+ –0.94) 8...Qa5 9.Bd3 Nf4 10.c4 0-0 11.Bc2 d6 12.Qe1 de5 13.de5-/+ –0.75; C) 7...Qa5 8.Bd3 (8.Bc4 d6 9.0-0 Be7 10.a3 de5 11.ab4 Qb4 12.Bd5 ed5 13.Ba3-/+ –0.91; 8.Bf1 Be7 9.Nbd2 0-0 10.Nc4 Qc7 11.Bd3 Nf4 12.0-0 b6 13.Rc1-/+ –1.06; 8.Be2 b3 9.Nbd2 bc2 10.Qc2 Nf4 11.Bf1 d5 12.g3 Ng6 13.Bc3-/+ –0.75) 8...Nf4 9.0-0 d5 10.a3 Qb6 11.Bc1 Nd3 12.Qd3 Be7 13.Nbd2-/+ –0.75; D) 7...d6 8.c4 (8.0-0 Bd7 9.a4 de5 10.de5 Bc5 11.c4 Nf4 12.Nbd2 a6 13.Ne4-/+ –0.87; 8.a3 Bd7 9.Bd3 de5 10.de5 ba3 11.Ba3 Qc7 12.Bb2 Bb4 13.c3-+ –1.41) 8...bc3 9.Nc3 de5 10.Ne5 Bd7 11.Nd7 Qd7 12.0-0 Be7 13.Qb3-/+ –0.81; E) 7...Qb6 8.Bc4 d6 9.Nbd2 Nc3 10.Bc3 bc3 11.Nb3 Qc7 12.Qe2 Bd7 13.ed6-/+ –0.97.

    7.c4 bc3 8.Nc3 (8.Nc3 Qa5 Pinning (8...Qa5 Decoy 9.Qb3 d6 10.Rc1 de5 11.de5 a6 12.Be2 Nf4 13.0-0-/+ –1.00; 8...Bb4 9.Qd2 Qa5 10.Rc1 d6 11.Bd3 0-0 12.Be4 de5 13.de5-/+ –0.87) 9.Qb3 d6 10.Rc1 de5 11.de5 a6 12.Be2 Nf4 13.0-0-/+ –1.00; 8.Bc3 d6 (8...Be7 Decoy 9.Bc4 d6 10.0-0 0-0 11.Qe2 Bd7 12.Rc1 Qb6 13.Qb2-/+ –1.00) 9.Bb5 Bd7 10.Qb3 a6 11.Bd3 Nf4 12.Bf1 b5 13.a4-/+ –1.16) 8...Bb4 9.Qc2 (9.Rc1 d6 10.Qd2 Qa5 11.Bd3 0-0 12.0-0 Rd8 13.Rc2-/+ –0.81) 9...Qa5 10.Rc1 (10.Kd2 d6 11.a3 Bc3 12.Bc3 Qc7 13.Bd3-/+ –0.87) 10...Qa2 11.Bb5 (11.Kd1 Nc3 12.Bc3 Qc2 13.Kc2-+ –1.53) 11...Nc3 (11...a5 12.Kd1 Bc3 13.Bc3-+ –1.62) 12.Bc3 Qc2 13.Rc2 Bc3 14.Rc3 a6 15.Be2 b5 16.Re3 Bb7 17.0-0 b4 18.Rd1 Ne7 19.Nd2 Nf5 20.Rd3 Bd5 21.Nb1? (21.g4 Ne7 22.Bf3 0-0-+) 21...0-0 22.h3 (22.g4 Ne7 23.Nd2 a5-+) 22...Rfc8 23.Bg4 Ne7 24.h4 a5 25.Nd2 a4 26.Nf3 b3 27.h5 b2 28.Ra3 Bb3 29.Re1 Rc1 30.Kh2 b1Q 31.Nd2 Qb2 32.Rb3 ab3 33.Nb3 Re1 34.Nc5 Qf2 35.Bf3 Qh4 0–1. Svetinsky,Vladimir (1710) – Stolarczyk,An (2065), Open, Pilsen CZE, 2009.

    7.Bc4 A) 7...Be7 8.0-0 (8.a3 ba3 9.Ba3 Qa5 10.Kf1 d6 11.Nbd2 Qc7 12.ed6 Bd6 13.Bd5-/+ –0.97) 8...d6 9.a3 de5 10.de5 0-0 11.ab4 Ncb4 12.c3 Nc6 13.Ba3-/+ –0.78; B) 7...d6 8.0-0 de5 9.Ne5 Qc7 10.Bd5 ed5 11.c3 Be6 12.Qa4 Rb8 13.cb4-/+ –0.94.

    7.Bd3 Nf4 (7...d6 8.0-0 Nf4 9.Bc4 Be7 10.a3 0-0 11.ab4 Nb4 12.Bc1 Nbd5 13.Bb5-/+ –0.78) 8.0-0 (8.Bf1 d6 9.Qd2 de5 10.Ne5 Qf6 11.g3 Nd5 12.Bb5 Bd7 13.Nd7-/+ –1.03) 8...Nd3 9.Qd3 d6 10.Rd1 de5 11.Ne5 Ne5 12.de5 Qd3 13.cd3 -/+.

    7.Be2 Nf4 8.0-0 Ne2 9.Qe2 d5 10.ed6 Qd6 11.a3 b6 12.ab4 Nb4 13.c3 +=.

    5.Nf3 Nc6

    6.a3 e6 7.ab4 Bb4 8.c3 Be7 9.c4 Nf4 10.g3 Ng6 11.Bg2 0-0 12.0-0 d6 13.ed6 Bd6 14.d4 Bd7 15.Qe2 Re8 16.Rd1 Rc8 17.Nbd2 Bf8 18.Nf1 Na5 19.Ne3 Qc7 20.c5 Nc6 21.h4 Nge7 22.Ng5 h6 23.Ne4 Nd5 24.Nc4 Ra8 25.Ned6 Reb8 26.Rac1 Be8 27.Bh3 Qe7 28.Rd3 b5 29.Ne5 Rd8?? 30.Ndf7+= Ne5 31.Ne5 a5 32.Qg4 Nc7 33.Bg2 Rac8 34.Bb7 h5 35.Qe2 b4 36.Be4 a4 37.Ng6 Bg6 38.Bg6 Rd5 39.Re3 a3 40.Ba1 Qf6 41.Bh5 b3= 42.Bf3? b2-/+ 43.Bb2 ab2 44.Qb2 Rd4 45.Qb7 Rdd8 46.Be4 Nd5 47.Rf3 Qe7 48.Qa6 Nf6 49.Bg6 Qd7 50.c6 Qd2 51.Qc4 Qd5 52.Qc3? Bb4!-+ 53.Qb4? Qf3 54.Qb7 Rf8 55.Bf7 Kh8 56.Be6 Ne4 57.Qb2 Ng3! 58.Kh2 Ne2 59.Rf1 Nf4 (59...Nf4 60.Rg1 Ne6-+) 0–1. Baumert,Christian – Kovalev,Andrei (2545), Berliner Sommer, 1993.

    6.a3 e6 7.ab4 Bb4 8.c3 Be7 9.d4 d6 10.c4+= Nc7 (10...Nf4 11.d5 Ne5 12.Ne5 de5 13.Be5 Bb4 14.Nc3 Qg5 15.Bg7 Qg7-+) 11.ed6 (11.Bd3 de5 12.de5 Na6 13.Nc3 Nc5 14.Be2 Qb6 15.Qb1 0-0-/+) 11...Bd6 12.Bd3 (12.Qc2 0-0 13.c5 Bf4 14.Qe4 Nd5 15.Bd3 f5-/+) 12...0-0 (12...Nb4 13.Be4 f5 14.Bd3 b6 15.0-0 0-0+=) 13.0-0 (13.Nc3 Nb4 14.Ba3 Nca6 15.0-0 Nd3+=) 13...Rb8 (13...Nb4 14.Be4 Ne8 15.Ne5 Nf6+=) 14.Nc3 a6 (14...Re8 15.Re1 Ra8+=) 15.Bb1 White intends d5 (15.Qe2!?+= Nb4+=; 15.Be4 f5=) 15...b5 16.d5 Ne7 (better is 16...ed5!? 17.cd5 Ne7+=) 17.c5+/- Bc5 18.Ne4 Bb4 (18...Bb6 19.d6 Ncd5 20.de7 Qe7 21.Nd6+/-) 19.d6 (better is 19.Qd4!? f6 20.Qb4 Ncd5 21.Qb3+-) 19...Ncd5+/- 20.de7 Qe7 21.Ne5 Bb7 22.Nd3 Rbd8 23.Qh5 h6?? (better is 23...f5 24.Nb4 Nb4+/-) 24.Nb4+- Nb4 (24...Qb4 25.Qe5 f6 26.Qe6 Rf7+-) 25.Nf6!! Kh8 (25...gf6 26.Qh4 Double attack (26.Qh4 Decoy)) 26.Nh7 (26.Nh7 Nd5 27.Nf8+-) 1–0. Marczuk,D (2225) – Lagunow,Raphael (2160), 25th EY BU18, 2015. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    6.a3 e6 7.Be2 Nf4 8.0-0 Ne2 9.Qe2 b6 10.d4 Bb7 11.ab4 Nb4 12.c3 Nd5 13.c4 Nf4 14.Qe3 Ng6 15.Nc3 d5 16.ed6 Bd6-/+ 17.d5 0-0 18.Ne4 Re8 19.Nd6=+ Qd6 20.Qc3 f6-/+ 21.de6 Qe6 22.Rfe1 Qc6 23.Re8 Re8 24.c5 Qc5 25.Ra7 Bf3 26.gf3 Qg5 27.Kh1 Nf4 28.Qc4 Kh8 29.Qf1 h5 30.Ra1 Qd5 31.Ra3 Qd2 32.Bc3 Qe2 33.Qe2 Re2 34.Ra4 Nd5 35.Bd4 Rd2 36.Kg1?? Kh7 37.Ba1 b5 38.Ra7 Kg6 39.Kg2 b4 40.Rb7 Ra2 41.Bd4 Nf4 (41...Nf4 42.Kg3 Ne2 43.Kg2 Nd4 44.Rb4 Nc2-+) 0–1. Faccia,S (2000) – Dvirnyy,D (2270), Autumn Open Venice ITA (4), 2005.

    6.Bc4 Nb6 7.Bb3 d5 =+.

    6.Bc4 Nb6 7.Bb3 e6 8.0-0 Be7 9.c4 Na5 10.Qc2 Nb3 11.ab3 0-0 12.Rc1 a5 13.d4 White prepares c5 13...f5 14.d5 ed5 (14...d6!? 15.ed6 Bf6+=) 15.c5+/- Ra6 16.cb6 Qb6 17.Nd4 Qg6 18.Nd2 Qg4 19.h3 Qf4 20.N2f3 Rg6 21.Ra5 b6 22.Ra7 Bc5 23.Qd2 Qd2 24.Nd2 d6 25.N2f3 Re8 26.Re1 de5 27.Re5 (27.Re5 Re5 28.Ne5+-) 1–0. Rogers,Ian (2545) – Douven,Rudy C (2405), Groningen GAM, 1991. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5)

    5.Nf3 e6

    6.a3 b6 7.ab4 Bb4 8.Na3 Nc6 9.Nb5 Bb7 10.Nd6 Bd6 11.ed6 f6 12.d4 Rc8 13.c4 Nf4 14.Qd2 Ng6 15.Bd3 Na5 16.Ra5 ba5 17.Bc3 Qb6 18.c5 Qb3 19.0-0 a4 (better is 19...Bf3!? 20.gf3 Nh4-+) 20.Rb1-/+ Qd5 21.Re1 Qh5 22.Be2 Qg4 23.h3 Qf4 24.Qb2 Be4 25.Ba6 Ra8 26.Re4 Qe4 27.Bb7 a3! 28.Ba8 (28.Qa3 Qb1) 28...Qa8 (28...ab2? 29.Be4 Nf4 30.Bb2+-) 29.Qa3 Nf4 30.Ba5 Nd5 31.Nd2 Kf7 32.Nc4 Nf4 33.f3 Ne2 34.Kf2 Nd4 35.Bc7 Nb5 36.Qa4 Qc6 37.Qb4 Nc7 38.Na5 (38.dc7 Qc7 39.Nd6 Ke7-+) 38...Qa6 (better is 38...Qb5 39.Qb5 Nb5-+) 39.dc7 Rc8 40.c6?? (better is 40.Qb8 Rb8! 41.cb8Q Qa5 42.Qd6 Qa2 43.Kf1-+) 40...dc6 41.Nc4 Rc7 42.Nd6 Ke7 43.Nf5 Ke8 44.Qd6 Qb6 45.Nd4 c5 46.Qe6 Qe6 47.Ne6 Rc6 48.Ng7 Kf7 49.Nf5 Ke6 50.Ne3 c4 51.Ke2 c3 52.Kd3 a5 53.Nc2 Ke5 54.g3 f5 55.f4 Kd5 56.Ne3 Ke6 57.Nc2 h5 58.Nd4-/+ Kd5 59.Nf5 Rc7 60.Ne3 Ke6 61.f5 Ke5 62.g4 a4 63.Nc2 h4 64.Na3 Kf4 65.Nb5 c2 0–1. Tsimbryla,Igor (2085) – Belyaev,Ilja, UKR–ch U16 Ordzhonikidze, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6)

    6.a3 Nc6 7.ab4 Bb4 8.c4 Nde7 9.Nc3 0-0 10.d4 d6 11.ed6 Qd6 12.Bd3 Rd8 13.Qc2 Ng6 14.0-0 Nd4 15.Nd4 Qd4 16.Rfd1 Qh4 17.g3 Qe7 18.h4 f5 19.Re1 Qc5 20.Na4 Qc7 21.h5? (better is 21.Re3-+) 21...Be1 22.Re1 b5! 23.hg6 (23.cb5 Qc2 Combination) 23...ba4 24.gh7 Kh7 25.g4 Qf4 26.Re3 a3 27.Ba3 Qg4 28.Rg3 Qh5 29.Bb2 Rd7 30.Qc3 Qf7 31.Qe5 Bb7 32.Rh3? (better is 32.Qe3-+) 32...Kg8 33.Qh2 (33.Kf1 Qg6 34.Rg3-+) 33...Qg6 34.Rg3 (34.Kf1 Qg4 35.f3 Bf3 36.Rg3-+) 34...Rd3 35.f3 (35.Kf1 Rg3 36.Qg3 Qg3 37.fg3 Ba6-+) 35...Rd1 36.Kg2 Rd2 37.Kg1 Rh2 38.Rg6 0–1. Schulz,Hans Juergen (2070) – Hess,Christian Mathias (2305), Hamburg–ch int, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6)

    6.a3 Nc6 7.ab4 Bb4 8.c4 Nf4 9.Nc3 0-0 10.g3 Ng6 11.Qe2 b6 12.Bg2 Bb7 13.0-0 a5 14.Nb5 Nce7 15.Nc3 Rc8 16.Ne4 Qc7 17.Rfc1 Nc6 e5 becomes the focus of attention 18.d4 Ba6 19.Bf1 d5 20.ed6 Bd6 21.Nd6 Qd6 22.Ba3 Nb4 23.Qe4 f5 24.Qe1 Bb7 25.Ng5 Exerts pressure on the backward pawn 25...Rfe8 26.Bb4 ab4 27.Qd2 h6-+ 28.Nh3 e5 29.d5-/+ Ra8 30.Rab1 The isolani on b4 becomes a target 30...Bc8?? 31.Qb4+- Qb4 32.Rb4 f4 33.Rb6 Kf7 34.f3 Bf5 35.Nf2 fg3 36.hg3 Ra3 37.g4 Bc8 38.Ne4 Rd8 39.Nd6 Rd6 40.Rd6 Rf3 41.Be2 Rh3 42.Ra1 Bg4 43.Ra7 Kg8 44.Rg6 Be2 45.Rgg7 Kh8 46.Rh7 Kg8 47.Rhc7 Rf3 48.Rc8 Rf8 49.Rf8 Kf8 50.c5 Bf3 51.d6 Bc6 52.Rc7 Bb5 53.Rc8 (53.Rc8 Kf7 54.c6 Bc6 55.Rc6+-) 1–0. Bohley,Donald – Lang,J2, Monroe ch–MI op, 1986. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6)

    6.c4 bc3 7.Nc3 Nc3 8.Bc3 Nc6 9.d4 d5 10.Bd3 Be7 11.a4 Nb4 12.Bb1 a5 13.h4 h6 14.Rh3 b6 15.Kf1 Ba6 16.Kg1 Qc7 17.Bd2 Rc8 18.Rg3 Kf8 19.h5 Qc4-/+ 20.Ra3 Qe2 21.Qe2 Be2 22.Ne1 Nc6 23.Rab3 Bb4 24.Bb4 Nb4 25.Rbc3 Ke7-+ 26.Bc2 Bh5 27.Bb3 Bg6 28.Bd1 Na2 29.Ra3 Rc1 30.Ra2 Rd1 31.Kf1 Rc8 32.Ke2 Rd4 33.Nf3 Rdc4 34.Nd2 Rb4 35.Raa3 Bh5 36.f3 Rb2 37.Rg7 Bg6 38.Ke3 Kf8 39.Rg6 fg6 40.g3 Rcc2 41.Nf1 Rc1 42.Nd2 Re1 (42...Re1 43.Kd3 Rd1-+) 0–1. Faccia,S (2020) – Altini,D (2235), XXI Festival Open A, Porto San Giorgio, 2009.

    6.c4 Nf4 7.d4 b6 8.Qd2 Ng6 9.h4 a5 10.h5 Ne7 11.Qf4 h6 12.Bd3 Bb7 13.Nbd2 Nc8 14.Be4 Be4 15.Qe4 Ra7 16.d5 ed5 17.cd5 Bc5 18.e6 de6 19.Bg7 f5 20.Qe5 Bd6 21.Qb2 Rh7 22.Bf6 Be7 23.Be5 Nd7 24.de6 Ne5 25.Qe5 Bf6 26.Qb5 Kf8 27.Qf5 Nd6 28.Qf4 Qe7 29.0-0 Qe6?? 30.Rae1 (30.Rae1 Qf5 31.Qd6 Rhe7 32.Re7 Re7 33.Re1+- (< 33.Qb6 Re6 34.Qb8 Kg7+-)) 1–0. Smith,Edward (1700) – Coffey,Patrick L (1780), IECG, 2002.

    6.d4 b6 7.a3 Bb7 8.ab4 Bb4-/+ 9.c3 Be7 10.c4 Nb4 11.Nc3 0-0 12.Be2 a6 13.0-0 d5 14.ed6 Bd6 15.Qb1 Re8 16.Ba3 a5 17.Nb5=+ N8a6 18.Nd6= Qd6 19.Ng5 g6 20.Bf3 Bf3-/+ 21.Nf3 Rec8 22.Rc1=+ Qf4 23.Qb3 Qf5 24.Rc3 b5-/+ 25.cb5 Qb5 26.Rac1 Rc3 27.Rc3 Qe2 28.Rc1 Kg7 29.Qe3 Qe3 30.fe3 Nd5 31.e4 Ndb4 32.Ne5 f6 33.Nc6 Nc6 34.Rc6 Kf7 35.Kf2 f5 36.d5 ed5 37.ed5 h5 38.Ke3 Re8 39.Kf3 Nb4 40.Rc7 Kg8 41.Rc5 Ra8 (41...Rd8 42.Ra5 Nd5 43.Ra6=+) ½–½. Kruimer,Wim HJ (1700) – Rushton,Darren, TT–01 TSC, 2002.

    6.d4 b6 7.a3 Bb7 8.ab4 Bb4 9.c3 Be7 10.c4 Nb4 11.Nc3 0-0 12.Be2 a6 13.0-0 d5 14.ed6 Bd6 15.Qd2 Nd7 16.Rad1 Qc7 17.Qg5 Rfe8 18.d5-/+ f6 19.Qh4 e5 20.Ne4 Nc5 21.Nd6 Qd6 22.Qg3 Bc8-/+ 23.Rfe1 Bd7 24.Nh4 a5 25.Bh5 Re7 26.Re3 Na4 27.Ba3=+ Rc8 28.Rd4 f5 29.Ng6?? hg6-+ 30.Bg6 f4 31.Qg5 Be8 32.Bf5 fe3 33.Rh4 e2 (33...e2 34.Qd2 Bd7 35.Bh7 Kf7 36.Qe2 Qf6-+) 0–1. Pedersen,Karl – Taimanov,Mark E, EU–chT Kapfenberg (4), 1970.

    6.d4 b6 7.a3 Bb7 8.ab4 Bb4 9.c3 Be7 10.Bd3 d6 11.0-0 0-0 12.ed6 Bd6 13.Nbd2 Nd7 14.Nc4 Be7 15.Re1 N7f6 16.Nce5 a6 17.c4 Nf4 18.Bc2 Bb4 19.Re3 Qd6 20.Ng5? (20.Ra4+=) 20...Ng6?? (better is 20...Ng2 21.Rb3 h6-+) 21.Rh3 Qc7 22.d5 ed5 23.Nh7? (23.Ng4 Ng4 24.Qg4=) 23...Bc8?? (better is 23...Nh7 24.cd5 Bc5-+ (24...Ne5?? 25.Bh7 Kh8 26.Be4 Kg8 27.Rh8 Kh8 28.Qh5 Kg8 29.Qh7)) 24.Nf6+- gf6 25.Ng6 fg6 26.Rg3 g5 27.Qd5 (27.Qd5 Be6 28.Qe6 Qf7 29.Qf5+-) 1–0. Kreuter,B – Barkowski,M, corr, 1987. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6)

    6.d4 b6 7.a3 Bb7 8.Qd2 Nc6 9.ab4 Bb4 10.c3 Be7 11.Bd3 Na5 12.Ra4 Bc6 13.Ra2 b5 14.0-0 a6 15.Ba3 Ba3 16.Na3 Nb6 17.Ng5 Bd5 18.Rc2 Qe7 19.Nb1 h6 20.Ne4 Nac4 21.Qf4 Rf8 22.Nbd2 g5 23.Qg3 Kd8 24.f4 gf4 25.Rf4 Kc7 26.Nf6 Qf6?? (better is 26...Kd8=) 27.ef6+- 1–0. Bourne,Jonathan D – Mansson,James C, ENG BPCF corr, 1993. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6)

    6.d4 b6 7.Qd2 Bb7 8.Bd3 Nc6 9.0-0 Be7 10.a3 0-0 11.ab4 Ndb4 12.Be2 d6 13.c3 Nd5 14.Na3 de5 15.de5 Bc5 16.Bd3 Qe7 17.Nc2 Rfd8 18.Ra4 a5 19.Qe2 Qd7 20.Rh4 Be7 21.Bh7 Kh8 22.Qe4 Bh4 23.Qh4 Qe7 (better is 23...b5!?+=) 24.Ng5+/- Qg5 25.Qg5 Kh7 26.f4 Nde7 27.Ba3 Ng8 28.Bd6 b5 29.Ne3 b4? (29...Nh6 30.f5 b4 31.cb4 ab4 32.f6+-) 30.f5 Nh6 31.fe6 fe6 32.Ng4 (32.Ng4 Ba6 33.Rf6 Ng4 34.Rf7+-) 1–0. Voracek,J – Killar,Marek, Czech Republic Cht, 1997. (=1.e4 c5 2.b4 cb4 3.Bb2 Nf6 4.e5 Nd5 5.Nf3 e6)

    6.d4 b6 7.Bd3 Bb7 8.c4 bc3 9.Nc3 Bb4 10.Rc1 Nc6 11.0-0 Nc3 12.Bc3 Rc8 13.Bd2 h6 14.Rc6!+/- dc6 15.Bb4 g5 16.Bd6 g4 17.Nd2 f5 18.Qb3 Qd7 19.Bc4 Kf7 20.f3 b5 21.Be6! Qe6 22.fg4 Qb3 23.Nb3 Rcd8 24.gf5 Rd6 25.ed6 Rd8 26.Nc5 Bc8 27.Ne4 Re8 28.d7! Bd7 29.Nd6 (29.Nd6 Kf6 30.Ne8 Be8 31.g4+-) 1–0. Puleston,Timothy (1920) – Fierry Fraillon,David (1950), IECG, 2003.

    6.d4 d6-/+ 7.Bd3 Nc6 8.0-0 de5 9.de5 Be7 10.Nbd2 0-0 11.Re1 Nc3 12.Bc3 bc3 13.Ne4 Nb4 14.Nc3= Nd3 15.cd3 Bd7 16.Ne4 Bc6 17.d4 Bd5 18.Qd3 Rc8 19.Re3 h6 20.h3 Rc6 21.Nh2 Bc4 22.Qd1 Rc7 23.Ng4 Kh7 24.Rf3 Bg5 25.Rf6?? Bf6?? 26.Nef6+- Kh8 27.Qc2 Qf6?? 28.ef6 gf6 29.Qd2 (29.Qd2 Bd3 30.Qh6 Bh7 31.Qf6 Kg8 32.Nh6) 1–0. Baumert,Christian – Kleeschaetzky,Ralf (2290), Oberliga Nord O9495, 1995.

    3.c4 bc3

    4.Nc3 d6 5.Bc4 Nf6 6.f4 Nc6 7.Nf3 e6 8.Qb3 a6 9.a4 Na5 10.Qa2 Nc4 11.Qc4 Bd7 12.0-0 Be7 13.Bb2 Bc6 14.Qe2 0-0 15.d4 Re8 16.Qc2 h6 17.d5? (better is 17.Qd3!?-/+) 17...ed5-+ 18.ed5 Nd5 19.Nd5 Bd5 20.Rfd1 Bc6 (better is 20...Bf3!? 21.gf3 Bf6 22.Rab1-+) 21.Ne5 Qc7 (21...de5?! 22.Rd8 Rad8 23.Be5+=) 22.Ng4 Qd8 23.Re1?? (23.Ne5 Bd7 24.Nd7 Qd7 25.Qb3-+) 23...Rc8 24.Qb3 Bd7 25.Nh6 Kh7 26.Nf7 Qa5 27.Qd3 Bf5 28.Ng5?? (28.Qf3 Bg6 29.Qh3 (29.Qb7? Rb8 30.Qd7 Bf7 31.Re7 Re7 32.Qe7 Rb2 33.Qe4 Bg6-+) 29...Qh5 30.Re7 Qh3 31.Ng5 (worse is 31.gh3 Re7 32.Nd6 Rc5-+) 31...Kh6 32.Bg7 (32.Nh3? Re7 33.a5 Rc2-+) 32...Kh5 33.Re8= (worse is 33.Nh3 Re7 34.Bf6 Re6-/+)) 28...Bg5-+ 29.fg5 (29.Qg3 Bh6 30.Re8 Re8 31.Qf2-+) 29...Re1 30.Re1 Qb6 0–1. Churchill,Sam – Martinson,Rick, Victoria op01, 2003. (=1.e4 c5 2.b4 cb4 3.c4 bc3)

    4.Nc3 d6 5.d4 Nf6 6.f4 e6=+ 7.Nf3 Be7 8.Bd3 0-0 9.0-0 b6 10.Qe2 Bb7 11.Bb2 Nbd7 12.Rad1 Rc8 13.e5 de5 14.de5 Nd5 15.Nd5 Bd5 16.f5 Qc7 17.f6 gf6 18.ef6 Bf6 19.Ng5 Bg5?? 20.Bh7! Kh7 21.Qh5 Bh6 22.Rf7.Rf7 Rf7 23.Qf7 Bg7 24.Qg7) 1–0. Bungo,G – Puckett,Matthew, USA–op Chicago, 1994.

    4.Nc3 d6 5.Nf3 Nf6 6.Bc4 e6 7.0-0 Be7 8.Re1 0-0 9.e5 de5 10.Ne5 Nbd7 11.Nf7 Rf7 12.Be6 Nc5 13.Bf7 Kf7 14.d4 Ne6 15.d5 Nc5 16.Qe2 b6 17.Bf4 Ba6 18.Qe5 Qd7 19.d6 Bf8 20.Qg5 Ne6 21.Qe5 Nf4 22.Qf4 Bd6 23.Qg5 h6 24.Qh4 Qc6 25.Rac1? Ba3 26.Ne4 Bc1 27.Nf6 Bg5 (27...Bg5 28.Qe4 Qe4 (28...Qf6 29.Qa8 Kg6 30.h4=) 29.Ne4 Be7-+) 0–1. Labroche,Jerome – Miellet Bensan,Y (2145), XXIV Open, Cappelle La Grande FRA, 2008.

    4.Nc3 e5 5.Nf3 Nc6 6.Bb5 Bd6 7.0-0 Nf6 8.d4 ed4 9.Bc6 dc3 (9...bc6?! 10.Qd4 (worse is 10.Nd4 Qc7+=) 10...Be7 11.e5+=; 9...dc6?! 10.Qd4 Bc7 11.Qe3-/+) 10.Ba4 Bb4 (worse is 10...Ne4 11.Re1 0-0 12.Re4+/-) 11.e5 Ng8 12.Ng5 Nh6 13.Qc2 Be7 14.h4 (14.Ne4 Qa5 15.Bh6 gh6=) 14...Qb6 15.e6 (better is 15.Qc3!? Ng4 16.Nf7 Kf7 17.Qf3 Nf6 18.Bg5=) 15...fe6-/+ 16.Rb1 Qd6 17.Rd1 Qe5 18.Rb5 Qf6 19.Qe2 (better is 19.Rb3!? Nf5 20.Rc3=) 19...0-0-+ 20.Rd3 (20.Bc2 a6 21.Bh7 Kh8 22.Rb3-/+) 20...Nf5 21.Bc2 a6?? (21...Nd4 22.Rd4 Qd4 23.Bh7 Kh8 24.Bg6 Qf2 25.Qf2 Rf2 26.Kf2=) 22.Rb3?? (better is 22.Rf5 ef5 23.Bb3 d5 24.Bd5 Kh8 25.Nh7 Kh7 26.Qh5 Qh6 27.Bh6+-) 22...h6 (22...Nh4?! 23.Rh3 h6 24.Nh7+=) 23.Nf3 b5 24.Rbc3 Bb7 25.Bb2 Bf3 26.Qf3 Nd4 27.Qe3 e5 28.Bb3 Kh8 29.Bd5 Rac8 30.Rc8 Rc8 31.g3 Bc5 32.Qe4 Rf8 33.Bd4 Bd4 34.Rf3 Qd6 35.Rf8 Qf8-+ 36.Qe2 Qc5 37.Bb3 d5 38.Kg2 a5 39.Qh5? a4-+ 40.Bd1 Qe7 41.Bc2 Qf8 42.Bf5 Qe7 43.Qg6 Kg8 44.Qc6 b4 45.Qd5 Kf8 46.Qa8 Qe8 47.Qb7 Bc3 48.Qb6 Qe7 49.Bg6 Qd7 50.h5 Qd5 51.Kh2 Qd4 52.Qb8 Ke7 53.Qb7 Kd6 54.Qa6 Kc7-/+ 55.Kg2 Qd5 56.Kh3 Qh1 57.Kg4 Qd1 58.f3 Qd4 59.Be4 Qd7 60.Kh4 Bd2 61.g4 Qe7 62.Kh3 Be1 63.Qa7 Kd8 64.Qb8 Kd7 65.Bf5 Kc6 66.Qc8 Kd5 67.Kg2 Qc5?? 68.Qd7 Qd6 69.Qa4 Bc3 70.Qb5 Kd4 71.a4 Ke3-/+ 72.Qf1 Qd2 73.Kh3 b3 74.Be4 b2 75.Qb5 Qd1 76.Qc5? Bd4-+ 77.Qa3 Kf2 78.f4 Qf1 79.Kh4 b1Q 80.Qg3?? Ke2 81.Bb1 Qh1 (81...Qh1 82.Qh2 Qh2) 0–1. Hodot,Yves (2070) – Verot,Melanie (2080), FRA–chT2, 2004. (=1.e4 c5 2.b4 cb4 3.c4 bc3)

    4.Nc3 e5 5.f4 Bc5 6.fe5= Bg1 7.Qg4 g6 8.Rg1 Nc6 9.Qf4 a6 10.Bc4 Qe7 11.Nd5 Qc5?? (11...Qe5 12.Qe5 Ne5+-) 12.Rf1 Nd8 (12...Nh6 13.Nc7 Kd8 14.Na8 Ng4+-) 13.Nc7 (13.Nc7 Ke7 14.Qg5 f6 15.Rf6+-) 1–0. Everett,Brian S – Bendig,Frank, Theme corr, 1994.

    4.Nc3 e5 5.f4 ef4-/+ 6.Nf3 g5 (6...Nc6 7.Bc4-/+) 7.Bc4 Bg7 8.d4 Nc6 (8...g4 9.Ne5 Be5 10.de5 Qh4 11.Kf1 Nc6=) 9.0-0? (9.Nb5 d5 10.ed5+=) 9...g4-+ 10.Ne5 Ne5 11.de5 Be5 (better is 11...Qb6 12.Kh1 f3-/+) 12.Bf7= Kf8 13.Bf4 Qb6 (13...Bc3 14.Bg8 Kg8 15.Qb3 d5 16.Qc3+-) 14.Kh1+/- Bf4 (14...Bc3 15.Bg8 Kg7+/- (worse is 15...Kg8 16.Bd6 Qd6 17.Qd6 Kg7 18.Qe7 Kh6 19.Qh4 Kg6 20.Qg4 Kh6 21.Rf3 Ba1 22.Rh3)) 15.Rf4 Nh6 (15...Nf6 16.Nd5 Qb2 17.Rf6 d6 18.Bh5 Kg7+-) 16.Nd5 (better is 16.Bh5 Kg7 17.Qd5 (17.Bg4?! Qc5 18.Nd5 Rf8+-) 17...Nf5 18.Rg4 Qg6 19.Qe5 Kf8 20.ef5 d5 21.fg6 hg6 22.Qd6 Kf7 23.Rf1 Bf5 24.Rf5 Ke8 25.Bg6) 16...Qb2 17.Bh5 Kg7 18.Rb1 Qe5 19.Bg4 Rf8 (19...Rg8 20.Nf6 Kh8 21.Ng8 Qf4 22.Nh6 Qh6 23.Qd4 Qg7 24.e5+-) 20.Rf8 Kf8 21.Qf3 Kg7? (better is 21...Kg8+-) 22.Rf1 Kg6 23.Bh5 Kg5 24.g3 (24.g3 Nf5 25.Qg4 Kh6 26.Rf5 Qa1 27.Kg2 Qa2 28.Kh3 Qh2 29.Kh2 d6 30.Qg5; 24.Be8 Nf7 25.Qf7 Qe8 26.Rf5 Kh4 27.Qh7 Qh5 28.Qh5) 1–0. Hannibal,Tom – Church,John, Cleveland Open OH, 1977. (=1.e4 c5 2.b4 cb4 3.c4 bc3)

    4.Nc3 Nc6

    5.Bb2 d6 6.Nf3 Bg4 (6...Nf6 7.Bc4=) 7.Bb5 a6 8.Ba4 (8.Bc6 bc6 9.h3 Bh5=) 8...e6 (8...b5 9.Bb3 Nf6 10.h3=+) 9.Rc1 Rc8 (9...Nge7=) 10.0-0 (10.Qb3 Rb8=) 10...Nge7 (10...b5 11.Nb5 ab5 12.Bb5=) 11.d4 d5 (better 11...b5!? 12.Bb3 Bf3 13.Qf3 Nd4=+) 12.Re1+= Qa5 (12...b5 13.Bb3 Bf3 14.gf3+= (worse 14.Qf3 Nd4 15.Qh3 Nb3 16.ab3 d4=+)) 13.Bb3 (13.ed5 Nd5 14.Qb3 Bf3 15.Qb7 Rc7 16.Bc6 Kd8 17.Qb8 Rc8=) 13...de4 (13...Bf3!? 14.gf3 de4 15.Re4 Qf5=) 14.Re4+- Bf5 15.Re3 (better 15.d5 Nd5 16.Bd5 Be4 17.Be4+=) 15...f6? (better 15...Rd8!?+=) 16.d5 (better 16.Be6!? Be6 17.Re6 Nb4+-) 16...Rd8 17.dc6?? (better 17.Re2+-) 17...Rd1-/+ 18.Nd1? (better 18.Rd1!? bc6 19.Be6 Be6 20.Re6-/+) 18...Nc6 (18...bc6 19.Rec3-+) 19.Ne5 (19.Ne5 fe5 20.Bc3-+). Hodot,Yves (1925) – Maury,Claude (1840), Nancy France, Senior Championship, 2013. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 Nc6)

    5.Nf3 e6 6.Bb5 a6 7.Bc6 dc6 8.0-0 (8.d4 Nf6 9.Qb3 c5 10.dc5 Nd7=+) 8...Bd6 (8...Nf6 9.Qc2-/+) 9.d4=+ Ne7 10.Ne2 (10.Rb1 0-0=+) 10...0-0 11.Bf4 Ng6 12.Bd6 Qd6 13.e5 (13.Qc2 e5=+) 13...Qd8 14.Qd2 (14.Rb1 Ne7=+) 14...b5 (14...b6 15.Rfc1=+) 15.Rfc1= Bb7 16.Rc5 h6 (16...Qd7 17.Rac1=) 17.Nc3 (17.Rac1 Nh4=) 17...f5 (17...Nh4 18.Nh4 Qh4 19.Qe3=) 18.Ne2 (18.ef6 Qf6 19.Ne4 Qf4 20.Qf4 Nf4=) 18...Ne7 19.Nf4 Bc8 (19...Qd7=) 20.d5 (better 20.Rac1!?=) 20...cd5 (20...ed5 21.Nd4-/+) 21.Rac1=+ g5 (better 21...Bd7!?=+) 22.Nh5= Kh8 (22...Kh7 23.Nf6 Kg6 24.Nd4=) 23.Ng5+= Ng6?? (better 23...Ng8 24.Nf3 Bd7+-) 24.Ne6!+- (24.Ne6 Qe7 25.Nf8 Qf8 26.Rc8 Rc8 27.Rc8 Kh7 28.Rf8 Nf8 29.Qb4 Ne6 30.Qe7 Kg6 31.Qe6 Kg5 32.Qf6 Kg4 33.Qg6 Kh4 34.g3 Kh3 35.Qf5) 1–0. Kepinski,Janusz (1620) – Ionescu,Catalin, FICGS, 2007. (=1.e4 c5 2.b4 cb4 3.c4 bc3)

    4.Nc3 e6

    5.a3 Nc6 6.Nf3 Nge7 7.h3 d5 8.d4 de4 9.Ne4 Nd5 10.Bb5?? (better 10.Bd2=+) 10...Qa5-+ 11.Bd2 (11.Nc3 Nc3 12.Bc6 bc6-+) 11...Qb5 12.a4 Qd3 13.Nc5 (13.Qe2 Ncb4 14.Kf1 f6-+) 13...Bc5 14.dc5 Nc3 15.Bc3 Qc3 16.Kf1 0-0 17.Rc1 (17.Qc1 Qa5-+) 17...Qf6 18.g3 (18.Qe2 Rd8-+) 18...e5 19.Kg2 (19.Qd3 Be6 20.Nd2 Rad8-+) 19...Rd8 20.Qc2 (20.Qe1 Be6 21.Nd2 Rd3-+) 20...Bf5 21.Qc3 (21.Qe2 Be6 22.Kh2 Bd5-+) 21...Rd3 22.Qb2 (22.Qe1-+) 22...Be4 23.Kh2 Qf3 24.Rcf1 (24.Rhg1 Rad8 25.Rc2 Rd1 26.Rc1 Rc1 27.a5 Rg1 28.Kg1 Qg2) 24…Qg2 0–1. angel027 (1765) – marekt (2530), ChessWorld.net, 2015. (=1.e4 c5 2.b4 cb4 3.c3 bc3 4.Nc3 e6)

    5.Qa4 Nc6 6.Bb5 Nf6 7.Nf3=+ Be7 8.0-0 0-0=+ 9.Re1 d5 10.e5 Nd7 11.Qg4 a6 12.Bf1 f5 13.Qg3 d4 14.Nd1 f4 15.Qh3 Nc5 16.Ba3 Na4 17.Bd3 g6 18.Be7 Qe7 19.Be4 Bd7 20.Qg4 Rad8 21.Rc1 Kg7 22.h4 Nc5 23.h5= Be8 24.Bb1 b6 25.Nb2 d3 26.Nc4 Nd4 27.Nd4 Rd4 28.Nb6 Bc6 29.Rc3 Rf5 30.h6 Kf8 31.Nc8 Qd8 32.f3? Rg5-+ 33.Qh3 Rg3 34.Rc5?? Rh3 35.Rc6 Qh4 36.gh3 Qe1 37.Kg2 Qg3 38.Kf1 Qf3 (38...Qf3 39.Kg1 Qd1 40.Kf2 Qe2 41.Kg1 f3 42.Bd3 Qg2) 0–1. Cordts,Ingo – Sprenger,Jan (2090), Cologne op, 1998.

    5.Bb2 Nc6 6.Nf3 Bb4 7.Bb5 Nge7 8.Qe2 0-0 9.0-0 a6 10.Ba4 b5 11.Bc2 Bc5 12.Nd1 Qb6 13.e5 Ng6 14.Ng5 Nce7 15.Qh5 h6 16.Ne4 (16.Nf7 Kf7 17.Bg6 Ng6 18.d4-+) 16...Bd4-+ 17.Nf6 Kh8 (17...gf6!? 18.ef6 Nf5 19.Bf5 ef5 20.Bd4 Qd4 21.Qh6 Qf6 22.Ne3-+) 18.Be4-/+ Ra7 19.a4 b4 (19...gf6 20.Qh6 Kg8 21.ef6 Bf6 22.Bf6 Nf5 23.Bf5 Qf2 24.Nf2 ef5 25.Qg7) 20.a5 Qc5 21.Ng4 Bb2 22.Nb2 Qd4 23.Rae1 (23.Nh6 gh6 24.Qh6 Kg8 25.Bg6 Ng6 26.Rab1-+) 23...Qb2 24.Nh6 gh6 25.Qh6 Kg8 26.Bb1 (26.Qe3 Rc7 27.f4 Bb7-+) 26...Rc7 27.h4 Rc4 (better is 27...f5 28.ef6 Qf6 29.Re3-+) 28.h5 Rg4 29.hg6 fg6 30.f3 Qd4 31.Re3 Rh4 32.Qg5 Rh7 33.Rf2 Qh4 34.Qh4 Rh4 35.Bd3 Nf5 36.Re1 Ng3 37.Rff1 Kg7 38.Kf2 Nf1 39.Bf1 Bb7 40.Ke3 Rc8 41.Bd3 Rc5 42.f4 Ra5 43.Rb1 Bc6 44.Rb4 Re5! 45.Kf2 Ra5 46.Kg3 Rh1 47.Kf2 Ra2 48.Ke3 Bg2 49.Rd4 Bd5 50.Be2 Rh2 51.Bg4 Ra3 52.d3 Raa2 53.Rb4 Rhg2 54.Bd1 Rad2 55.Rb1 Bc6 56.Rc1 Bb5 57.d4 Rd3 58.Ke4 Kf6 (58...Kf6 59.Rc4 Bc4 60.f5 ef5 61.Kf4 g5) 0–1. Hodot,Yves (2030) – Darrigues,Alain (2030), FRA–chT2, 2005. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 e6)

    5.Bc4 a6 6.a4 Qa5 (6...Nf6 7.Qe2=+) 7.Rb1 Nf6 8.Qe2 Nc6 9.Nf3 Be7 10.0-0 d5 11.e5 (11.Bb3!? d4 12.Nd1-/+) 11...Nd7-+ 12.Bb3 d4 13.Ne4 Nde5 14.Bb2 Nf3 15.Qf3 0-0 16.Qg3? (better 16.Rfe1-+) 16...f5 17.Rfe1 (17.Nc3-+) 17...fe4 18.Re4 (18.Re2 Kh8 19.Bc2 Qh5 20.Re4 Qc5-+) 18...Qd2 19.Rg4 (19.f4 Bc5-+) 19...Rf7 0–1. Zygmanta,Eugenijus (1975) – Stauskas,Lukas (2120), Lithuanian Championship, 2016. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 e6)

    5.Bc4 Bb4 6.Bb2 Nc6 7.Nf3 Nf6 8.Qe2 d6 9.a3 Ba5 10.0-0 0-0 11.Ba2 e5 12.d4 (12.Rfc1 Be6-/+) 12...Bg4 13.Nb5 Qe7 14.d5 Nd4! 15.Nbd4 (15.Bd4 ed4 Passed pawn; 15.Nbd4 ed4 Passed pawn; 15.Nfd4 Be2) 15...ed4 16.Qb5 b6 17.Nd4 Qe4 (worse is 17...Ne4 18.f3 Nd2 19.fg4 Qe3 20.Rf2+/-) 18.Nc6 (better is 18.h3!? Bh5 19.Bb1 Qd5 20.Qd5 Nd5 21.Be4+=) 18...Be2-+ 19.Qb3 Bf1 20.Kf1 (better is 20.Rf1 Qf4 21.Bb1-/+) 20...Rfe8 21.Qd1 Qh4 (21...Qh4 22.h3 Re1 23.Qe1 Be1 24.Re1 Re8 25.Re8 Ne8-+) 0–1. Clark,Robert William – Eisen,David J, USCF, 1980. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 e6)

    5.Bc4 Nc6 6.Nf3 Qc7 7.Qe2 a6 8.Bb2 Nf6 9.0-0 Bc5 10.Rac1 0-0 11.e5 Ne8 12.Ne4 Be7 13.Bd3 f5 14.ef6 Nf6 15.Nfg5 h6 16.Bf6 Bf6 17.Nh7 Rf7 (17...Kh7 18.Nf6 Combination) 18.Nef6+- Rf6 19.Nf6 gf6 20.Qh5 Qf4 (20...f5 21.Qg6 Kf8 22.Qh6 Kf7 23.Qh7 Kf8 24.Qh8 Kf7+-) 21.Rc4 (21.Rc4 Qc4 22.Qg6 Kf8 23.Qf6 Kg8 24.Qg6 Kf8 25.Qh6 Ke8 26.Bc4+-) 1–0. Douven,Rudy C (2405) – Houtman,Joop, Groningen GAM, 1991. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3)

    5.d4 d5 6.e5 Nc6 7.Nf3 Bb4 8.Bd2 Nge7 9.Bd3 Ng6 10.0-0 0-0 11.Rc1 Bd7 12.Ng5 h6 13.Nf7 (better is 13.Nf3!?+=) 13...Kf7-+ (worse is 13...Rf7 14.Bg6 Rf8 15.Ne2+=) 14.Qh5 Nce7 15.a3 Ba5 16.f4 Qb6 17.Be3 Bc3 18.Rc3 Rac8 19.Rc8 Rc8 20.f5 ef5 (20...Nf5 21.g4 Qb3 22.gf5 Qd3 23.Qg6 Kg8 24.Bh6 Qd4 25.Rf2 Qa1 26.Kg2 Qe5 27.f6 Qe4 28.Qe4 de4 29.fg7+- (worse is 29.Bg7 e3 30.Re2 Rc3+=)) 21.Bf5 Bf5 22.g4 Qb3 23.Rf3 Rc1! 24.Kg2 Kg8 25.gf5 Qe3! 26.fg6 Qe2 27.Kh3 Rc3! 28.Kg3 Rf3 29.Qf3 Qf3 30.Kf3 Ng6 31.Kg4 Kf7 32.Kf5 Ne7 33.Kf4 Nc6 34.Ke3 Ke6 35.h4 g5 36.hg5 hg5 37.a4 Ne5! 38.de5 Ke5 39.a5 g4 40.a6 ba6 41.Kf2 a5 42.Kg3 a4 43.Kg4 a3 44.Kf3 a2 45.Ke3 a1Q 46.Kf2 Qd1 47.Kg2 Kf4 48.Kh2 Kf3 (48...Kf3 49.Kh3 Qh1; 48...Qe2 49.Kg1 Kf3 50.Kh1 Qg2) 0–1. Bhandarkar,Dinesh – Hemmer,Christian (1710), SI–2006–0-00057, 2006. (=1.e4 c5 2.b4 cb4 3.c3 bc3 4.Nc3)

    5.d4 d6 6.Nf3 a6 7.a4 b6 8.Bc4 Bb7 9.d5 e5 10.Bb2 Nf6 11.0-0 Be7 12.Nh4 Bc8 13.Ne2 (better is 13.Nf3!?+=) 13...Ne4-/+ 14.Qd3?? (better is 14.Qc2-/+) 14...Nc5-+ (14...Bh4?! 15.Qe4 f5 16.Qf3-+) 15.Qg3 Bh4 16.Qg7 Qf6 17.Qf6 Bf6 18.Ng3 h5 19.f4 h4 20.fe5 Be5 21.Be5 de5 22.Nf5 Bf5 23.Rf5 Nbd7 24.d6 f6 25.Kf2 Ne4 26.Kf3 Nd6 27.Bd5 Rb8 28.Be6 Nf5 29.Bf5 Nc5 30.Rd1 Rd8 31.Rb1 Na4 32.Rc1 Nc5 33.Rc4 Ke7 34.Rg4 Kf8 35.g3 hg3 36.Kg3 Rg8 37.h4 Rg4 38.Kg4 a5 39.Kh5 Kg7 0–1. Stacy,P – Massengale,John, Detroit East op, 1983. (=1.e4 c5 2.b4 cb4 3.c3 bc3 4.Nc3)

    5.Nf3 Nc6 6.Bc4 Bc5 7.0-0 a6 (7...Nge7 8.d4 Bb4 9.Qb3 Bc3 10.Qc3+=) 8.d4= Bb4 9.Bb2 Qa5 10.Rc1 Ba3 11.Ba3 Qa3 12.d5 Na5 13.Qd4 Nf6 (13...Nc4? 14.Qg7 (14.Qc4?! Ne7+=) 14...Qf8 15.Qh8+-) 14.Bd3 b5 (14...0-0 15.e5 Nd5 16.Nd5 ed5 17.Qd5+=) 15.de6+/- fe6 (15...de6? 16.Bb5! Bd7 17.Bd7 Nd7 18.Rfd1+-) 16.e5 Nd5 (16...Ng8!?+/-) 17.Nd5+- ed5 18.e6?? (better is 18.Bh7 Bb7 19.Bg6 Kf8 20.Ng5+-) 18...de6+= 19.Qg7 Qf8 20.Qc7 Nb7 21.Ne5 Qe7 22.Qb6 Qd6 23.Rc8! Rc8 24.Qb7 Rc7 25.Qa8 Qd8 26.Qa6 Qc8 27.Bb5 Ke7 28.Qa3 Kf6 29.Ng4 Kf7 30.Qf3 Ke7 31.Qf6 Kd6 32.Nh6 Qf8 33.Nf5 Kc5 34.Qe6 (34.Qe6 Kb5 35.Rb1 Qb4 36.Rb4 Kb4 37.Qb6 Ka4 38.Qc7+-; 34.Qd4 Kb5 35.Rb1 Kc6 36.Qa4 Kc5 37.Qb5) 1–0. Hamilton,R – Finta,R, 5, Ch. Ouvert du Quebec, 1985. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 e6)

    5.g3 Nc6 6.Nge2 Bb4 (6...d5 7.ed5 ed5 8.Nf4-/+) 7.Bg2 Nge7 8.0-0 0-0 9.Bb2 d5 Black fights for the Initiative 10.Nf4 (10.ed5 Nd5 11.Nd5 ed5-/+) 10...d4 11.Ncd5? (better 11.Nce2-/+) 11...ed5-+ 12.ed5 Ne5 13.Bd4 Bd6 14.h3 (14.Re1 N5g6 15.Ng6 fg6-+) 14...Nf5 15.Bc3 Ng6 16.Nh5 (16.Ng6 fg6 17.Re1 Bd7-+) 16...f6 17.Be4 (17.Re1 b5-+) 17...Nfe7 18.f4 (18.Kg2 Qd7 19.Rh1 b5-+) 18...Bh3 19.Rb1 (19.Re1 Qd7-+) 19...Bf1 20.Qf1 Qc8 21.f5 Ne5 22.Qf4 (22.Nf4 Re8-+) 22...Rb8 23.Kg2 (23.Rc1 b5-+) 23...Qc4 24.Re1 Qa2 25.Bb1 (25.Qf1 Nd5 26.Ra1 Qb3 27.Be5 Be5 28.Ra7 Rfd8-+) 25...Qd5 26.Be4 Qf7 27.Qh4 b5 28.Nf4 g5 29.fg6 N5g6 30.Qh6 (30.Ng6 Ng6 31.Bg6 hg6-+) 30...Bf4 31.Qh5 (31.gf4 Qg7 32.Qh2-+) 31...Bd2! 32.Rh1 (32.Bd2 Nf4 Theme: Double Attack) 32...Bc3 33.Bc2 Qd5 34.Kh3 Qh5 (34...Qh1 35.Kg4 f5 36.Qf5 h5 37.Qh5 Qf3 38.Kh3 Nf4 39.Kh2 Qg2) 35.Kg2-+ Qe2 36.Kh3 Qc2 (36...Rfd8 37.Bb3 Kg7 38.Bd5 Rd5 39.Re1 Rh5) 37.Rf1 f5 38.Rf3 Rbd8 (38...Qe2 39.Rc3 Rbd8 40.Rc2 Nf4 41.gf4 Rd3 42.Kh4 Qg4) 39.Re3 Rd2 40.g4 (40.Re2 Re2 41.g4 Qd3) 40…Rh2 (40...Rh2 41.Kg3 Qf2) 0–1. JPKN3 (2020) – Bazza3 (2470), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 e6)

    4.Nc3 g6

    5.Bc4 Nc6 6.d4 Bg7 7.Nge2 d6 8.0-0 Nf6 9.Rb1 0-0 10.d5 Na5 11.Bd3 Bd7 12.Be3 Ng4 13.Bd4 Ne5 14.f4 Nd3 15.Qd3 b6 16.Bg7 Kg7 17.Nd4 Qc7 18.Rf3 Nc4 (better is 18...Rfc8!?+=) 19.Nc6+= Na3 (19...Bc6? 20.Qc4 Rfc8 21.dc6 Qc6 22.Qd4 f6 23.Qd2+-) 20.Qd4 e5 (20...f6 21.Rb3 e5+/-) 21.de6+- f6 22.ed7 Nb1 (22...Qc6 23.Rd1 Nc4 24.Qd5 Qd5 25.Rd5+= (25.ed5?! Rf7=)) 23.d8Q Rad8 24.Nd8 Nc3?? (better is 24...Rd8 25.Nb1 Qc5+-) 25.Ne6 (25.Ne6 Kf7 26.Rc3 (26.Nc7?! Ne2 27.Kf2 Nd4=) 26...Qc3 27.Qc3 Ke6 28.Qc4 Kd7 29.Qa4 Ke6 30.Qa7+-; 25.Qc3 Qd8 26.Rd3 Qc8+=; worse is 25.Rc3 Qd8 26.Rc6 Rf7=) 1–0. Carnstam,T – Forgo,F, corr Cities Tourn, 1989. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 g6)

    5.Bc4 Nc6 6.Nf3 Qa5 7.Bb2 Bg7 8.0-0 Nh6 9.Rb1 0-0 10.d4 d6 11.h3 a6 12.a4 Qh5 13.Nd5 e6 14.Nf4 Qa5 15.Qb3 Qd8 16.Rfc1 Na5 17.Qa2 Nc4 18.Qc4 Re8 19.Qc7 b5 20.Qc6 Rb8 21.ab5 Bb7 22.Qc2 ab5 23.d5 e5 24.Nd3 f5 25.Nb4 fe4 26.Qe4 Qd7 27.Nc6 Rbc8 28.Ba3 Ra8 29.Qb4 Nf7 (29...Qf7!? 30.Qb3 Nf5-/+) 30.Qb5= e4 31.Nd2 (31.Qb7 Qb7 32.Rb7 Ra3+=) 31...Ra3 (better is 31...Ba6!? 32.Qb4 Qf5-/+) 32.Qb7= Qb7 33.Rb7 Bh6 34.Rd1 (better is 34.Rc2=) 34...Rd3-/+ 35.Rb2 e3 36.fe3 Be3 37.Kf1 Rd5 38.Re1 Kf8 39.Nc4?? Rf5-+ (39...Rf5 40.Ke2 Bf2 41.Kd1 Re1 42.Kd2 Rd5 43.Kc2 Re2 44.Kb1 Rb2 45.Nb2 Ne5 46.Ne5 de5-+) 0–1. Kynoch,Richard – Lawson,Graeme (2050), Edinburgh ECC 5th, 1996. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 g6)

    5.Bc4 Nc6 6.Nf3 Bg7 7.0-0 Nf6 8.e5 Ng4 9.d4 0-0 10.h3 Nh6 11.Bf4 d6 12.Qe2 Nf5 13.Rfd1 Qa5 14.Rac1 e6 ½–½. Ewen,Rainer – Blaich,Guenther, Verbandsliga N9495 Baden, 1995.

    5.Bc4 Bg7 6.Qb3 e6 7.Bb2 Ne7 8.Nf3 0-0=+ 9.e5 Nbc6-/+ 10.Nb5 Na5 11.Qd3 Nc4 12.Qc4 d5 13.Qc7 Bd7 14.Qd8 Rfd8 15.Nd6 Bc6 16.Ba3 Bf8 17.Ng5 Rd7-/+ 18.Ngf7 Nc8 19.Ng5 Nd6 20.Bd6 Bd6 21.ed6 e5 22.0-0 Rd6 23.Nf3 Bb5 24.Rfc1 e4-/+ 25.Nd4 Bc4 26.a4 Rf8 27.f3 ef3 28.Nf3 Re6 29.d4 Re2 30.Re1 Rf4 31.Rab1 b6-+ 32.Rbc1 Re1 33.Re1-/+ Re4 34.Re4=+ de4 35.Ne5 Bb3-+ 36.Nc6 Ba4 37.Na7-/+ Bd7 38.Kf2 b5 39.Ke3 b4 40.Ke4 Bf5 (40...Bf5 41.Ke5 Bd3-+) 0–1. Marino,D – Tosoni,A, Academia Cup op, 1997.

    5.Bc4 Bg7 6.Qb3 Nh6 7.d4= 0-0 8.Nf3 Nc6 9.Bb5 d6 10.h4 Ng4 11.h5? Na5?? 12.Qa4 a6=+ 13.Bd3 Bd7 14.Qd1 Rc8 15.Bd2 Nc4 16.a4 Nd2-/+ 17.Qd2 Qa5 18.Nd5= Qd2 19.Kd2 Rfe8 20.Ke2 Rc6 21.Rab1 e6 22.Nb6 Re7 23.hg6 hg6 24.Rhc1 Rc1=+ 25.Rc1 Bc6 26.Nc8 Re8 27.Nb6? f5-+ 28.ef5 ef5 29.Kf1 Bf3 30.gf3 Nf6 31.d5 Bh6 32.Re1 Re1 33.Ke1-/+ Kf8 34.Bc4 Bf4 35.Ke2 Ke7 36.Kd3 Bh2 37.Ke3 Nh5 38.a5 Bf4 39.Kd3 Be5 40.Bb3 Nf4 41.Ke3 Nh3 42.Bc2 Bf4 (42...Bf4 43.Ke2 Ng1 44.Kd3 Nf3-+) 0–1. Petersen,Kim Linde – Johansson,Th (2250), Politiken Cup, 2001.

    5.d4 Bg7 6.Nf3 Nc6 7.Bc4 Nh6 8.0-0 0-0 9.a4 d6 10.Ra3 Bg4 11.Ne2 Rc8 12.h3? (better is 12.Bh6!? Bh6 13.h3 Bf3 14.Rf3-/+) 12...Bf3-+ 13.Rf3 Nd4 14.Bf7 Nf7 15.Nd4 Rc1! 16.Qc1 Bd4 17.Qc4 e5 18.Rb3 b6 19.Rfb1 (19.Rd3-+) 19...Qh4 20.Qe2 (20.Qd5 Qf2 21.Kh1 Qa2-+) 20…Ng5 0–1. Zagorski,Franck – Fernandez,Jacques, FRA AJEC/3625 corr, 1994. (=1.e4 c5 2.b4 cb4 3.c4 bc3)

    5.Nf3 Bg7 6.Bb2 Nf6 7.Bc4 0-0 8.0-0 (better is 8.e5!? Nh5 9.0-0+=) 8...Ne4!-/+ 9.Qc2 (9.Ne4 d5) 9...Nc3 10.Bc3 Bc3 11.Qc3 d5 12.Bb3 Nc6 13.Nh4 Be6 14.Qg3 Nd4 15.Bd1 Qa5 16.d3 Qd2 17.Kh1 Nf5 18.Nf5 Bf5 19.Bb3 Qd3 20.Qd3 Bd3 21.Rfd1 Bc4 22.Bc4 dc4 23.Rd7 c3 24.Rb7 (24.g4 Rfd8 25.Re7-+) 24...c2 25.Re7 (25.g4 Rab8 26.Rc7 Rb1 27.Kg2 Ra1 28.Rc2-+) 25...Rfc8 (better is 25...Rfe8 26.Rc7 Rac8 27.Rc2 Rc2-+) 26.Rc1 Rab8 27.Ree1 Rb2 28.a4 Ra2 29.g3 Ra4 30.h4 f5 31.Kg2 Re4 32.Kf1 a5 33.f3?! (33.Re4 fe4 34.Ke2 Kf7-+) 33...Re1 34.Ke1 a4 35.Kd2 a3 36.Rc2 Rc2 37.Kc2 a2 38.Kb2 h5 39.Ka2 Kf7 40.Kb3 Ke6 41.Kc3 Ke5 42.g4?? fg4 43.fg4 Kf4 44.gh5= gh5 45.Kd2 Kg4 46.Ke1 Kh4 47.Kf1 Kh3 48.Kg1 Kg3 49.Kh1 h4 50.Kg1 h3 51.Kh1 Kg4 52.Kh2 Kh4 53.Kg1 Kg5 ½–½. Kalliwoda,Theresa – Bakalarz,Bianca, GER–ch U10 Willingen, 2005. (=1.e4 c5 2.b4 cb4 3.c3 bc3 4.Nc3 g6)

    5.Nf3 Bg7 6.Bc4 d6 7.Qb3 e6 8.Ba3 a6 9.Qb4 b5 10.Bb3 Nc6 11.Qd6 Qd6 12.Bd6 b4 13.Ba4 Bd7 14.Bc6 Bc6 15.Bb4 Be4 16.Ke2 ½–½. Chipkin,Leonard (2020) – Salman,Joel (2215), Nassau CC–ch, 2002. (=1.e4 c5 2.b4 cb4 3.c4 bc3 4.Nc3 g6)

    3.c4 Nc6

    4.Bb2 e5 5.Nf3 Bc5 6.Ne5 Bd4 (6...Bf2 7.Kf2 Qf6 8.Kg1 Ne5 9.d4=) 7.Nf7 Qf6 (better 7...Qe7!? 8.Bd4 Nd4 9.Nh8 Qe4 10.Be2 Qg2-/+) 8.Bd4+- Qd4 9.Nh8 Qa1 10.Bd3 (10.Nc3 Qd1 11.Nd1 Kf8=) 10...Nf6 (10...g6 11.Nc3 Qb2 12.Nd5=) 11.Qb3 Qe5 12.a3 (12.c5 Qe7 13.g4 Ne5=) 12...a5 (12...Qe6 13.0-0 Qg8 14.ab4 Qh8 15.b5=) 13.ab4 ab4 (13...Nb4 14.0-0=+) 14.f4 (14.c5!? Qe7 15.f4=) 14...Qf4=+ 15.c5 d5 (15...Qh4!? 16.g3 Qh5=+) 16.cd6+= (16.ed5 Qe5 17.Kd1 Nd4-+) 16...Qd6 17.Nf7 (17.Qf7!? Kd8 18.Qg7 Qd3 19.Qf6 Kc7 20.Kf2 Qe4 21.Nf7=+) 17...Qe7 (17...Qc5 18.Rf1 Na5 19.Qc2 Qc2 20.Bc2-/+) 18.Ng5=+ Ra5 19.h4? (19.Nf3 Be6 20.Qd1 Qc5-/+) 19...h6 (better 19...Nd4 20.Qc4 Rc5 21.Qd4 Rc1 22.Kf2 Rh1-+) 20.Be2?? (better 20.Nf3-/+) 20...Rc5-+ (20...hg5 21.hg5 Qe4 22.gf6-/+) 21.0-0 0–1. Marekt – Aimglobal, gameknot.com, 2020. (=1.e4 c5 2.b4 cb4 3.c4 Nc6)

    4.d4 d6 5.Nf3 Bg4 6.Be2 Nf6 7.h3 Bf3 8.Bf3 e5 9.d5 Nd4 10.Qa4 Qd7-/+ 11.Qd1 b5 12.Be3 Nf3-+ 13.gf3 bc4 14.Nd2 Rc8 15.Qe2 c3 16.Nb3 Be7 17.Qa6 Rc7 18.Na5? Qa4 19.0-0 0-0 20.Rfb1 Rb8 (20...Rb8 21.Ba7 Ra8-+) 0–1. Boonekamp,Maarten (1940) – McAndrew,Harry (1965), IECG, 2000.

    4.d4 g6 5.Bb2 Bg7 6.Nf3 d6 7.a3 Qb6 8.Qd2 (8.c5 Qc7 9.ab4 Nb4 10.Qa4 Nc6 11.Nc3+/-) 8...Bg4?? (better is 8...Nf6 9.e5 de5-/+) 9.d5+= Ne5 10.Ne5 Be5 11.Be5 de5 12.ab4 0-0-0? (better is 12...Nf6 13.c5 Qc7+/-) 13.c5 Qf6 14.Ra7 Qf4 15.f3 Qd2 16.Nd2 Kb8 17.Ra3 (17.fg4?! Ka7 18.g5 h6+=) 17...Bd7 18.Nc4 f6 19.Nb6 Nh6 (19...Kc7+-) 20.d6 (20.d6 ed6 21.cd6+-) 1–0. Kover,Warner Bruce – Nascimento Amorim,Darly, BRA corr Brazil, 1985. (=1.e4 c5 2.b4 cb4 3.c4 Nc6)

    4.Nf3 e6 5.d4 d5 6.e5 dc4 7.Bc4 Nge7 8.0-0 Nd5 9.Bb2 Bd7 10.Nbd2 Na5 11.Bd3 Rc8 12.Rc1 b5 13.Re1 Nc3 14.Bc3 bc3 15.Ne4 b4 16.Nfg5 (16.a3!?+=) 16...h6 17.Qh5 g6 18.Qh3 Be7 19.f4 Qb6 (19...Bg5 20.Nd6 Kf8 21.fg5+/-) 20.Nf3 Nc6 21.Kh1 Nd4 22.Nd4 Qd4 23.Ba6 Rd8 24.Rcd1 Qb6 25.Rd6 Bd6 26.Nd6 Kf8 27.Qh4 Rh7 28.Bd3 Be8 29.Qf6 Rg7 30.Bc2 (30.Qh4 Kg8 31.Rb1-+) 30...Qf2 31.Rg1 Qb6 (better is 31...Rb8 32.Ne8 Re8 33.Ba4-+) 32.Rd1?? (32.Re1 Bc6 33.Bb3-+) 32...Qc7 33.Bb3? Qe7 34.Be6 Qf6 35.ef6 Rg8 36.Bb3 Bc6 37.Nf7 0–1. Olsson,Mats – Dooley,Michael, Dublin op–A, 1998. (=1.e4 c5 2.b4 cb4 3.c4 Nc6)

    4.Nf3 Nf6 5.e5 Ne4 6.Qc2 d5 7.cd5 Qd5 8.Bc4 Nd4 9.Nd4 Qd4 10.0-0 Bf5 11.Bb2 Qd7 12.e6 fe6 13.Qd1 Rc8 14.Qh5 Kd8 15.d3 Nf6 16.Qg5 b5 17.Bb3 a5 18.Re1 Ke8 19.Nd2 h6 20.Qg3 a4 21.Bd1 g5 22.Nf1 Bg7 23.Bf3 g4-+ 24.Bg4 Ng4 25.Bg7 Rg8 26.Be5 Kf7 27.Qh4=+ Rc2 28.Bg3 Qc6 29.d4 b3 30.ab3+= ab3 31.Ra7 Nf6 32.Qh6 Qc3 33.Rea1?? Qd4 34.Qe3 Qe3 35.Ne3 b2 36.Nc2 Bc2 37.Re1 Rd8 38.Rb7 Rd5 39.h3 Bd1 40.Rb5 Rb5 41.Rd1 b1Q 42.Rb1 Rb1 43.Kh2 Kg6 44.Bf4 Nd5 45.Be5 Kf5 46.Bg3 e5 47.Bh4 e4 48.g3 Rb2 49.Kg1 e3 50.fe3 Ke4 51.Bg5 Kf3 52.h4 Nc3 53.e4 Ne2 54.Kh2 Ng3 55.Kh3 Rb1 56.Bc1 Rc1 57.e5 Rh1# 0–1. Schlaeger,Michael (2270) – Hollstein,Frank (2255), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    4.d4 e5

    5.d5 Nd4 6.Nf3 Nf3 7.Qf3 Nf6 8.Nd2 Bd6 9.Be2 0-0 10.a3 b6 11.Bb2 Qc7 12.0-0 a5 13.Rfc1 ba3 14.Ba3 Ba3 15.Ra3 d6 16.Qe3 Nd7 17.Nb3 Bb7 18.Rca1 Rfb8 19.Nd2 Nc5 20.Nb1 Bc8 21.Nc3 Bd7 22.Bd1 f5 23.ef5 Bf5 24.Nb5 Qe7 25.Nd4 Rf8 26.Nb3 Rac8 27.Nc5 Rc5 28.Be2 Qh4 29.Qb3 Rb8 30.Qa2 Rcc8 31.Rd1 Rf8 32.Qb3 Bd7 33.g3 Qe4 34.Qb2 Bh3 35.f3 Qg6 36.Qd2 Bf5 37.Re1 h5 38.Kh1 Rf7 39.Rea1 Qf6 40.Rb3 Rfb7 41.h4 Bd7 42.Raa3 a4 43.Rb4 b5 44.cb5 Bb5 45.Qb2 Ba6! 46.Rb7 Rb7 47.Qc2 Be2 48.Qc8 Kh7 49.Qb7 Qf5 50.Kg1 Qg6 51.g4 hg4-+ 52.fg4 Qg4 53.Kf2 Bc4 54.Qb1 g6 55.h5 Qh5 56.Rg3 Bd5 57.Qd3 Qf5 58.Ke1 Qd3 59.Rd3 Bb3 60.Rd6 a3 61.Kd2 a2 62.Ra6 Kg7 63.Kc3 Be6! 64.Kb2 Kf6 0–1. pierred (2760) – pcmvr (2840), net–chess.com, 2010.

    5.de5 Ne5 6.Bb2 Qc7 7.Nd2 d6 8.Be2 Nf6 9.h3 Be7 10.f4 Ng6 11.Ngf3 (better is 11.g3!?-/+) 11...Nf4-+ 12.0-0 Ng6 13.Nd4 Bd7 14.Rc1 Ne5 15.N2f3? (15.Nb5!? Qd8 16.c5-/+) 15...Qc5 16.Kh2 Neg4! 17.hg4 Ng4 18.Kh1 Ne3 19.Qd3 Nf1 20.Rf1 f6 21.Nf5 Bf5 22.ef5 d5 23.cd5 Rd8 24.Qb5 Qb5 25.Bb5 Kf7 26.Bc4 Bd6 27.Bd4 Rc8 28.Bb3 a6 29.Nd2 b5 30.Ne4 Rhd8 31.Re1 a5 32.Bb6 (32.Nd6?! Rd6 33.Re6 Re6 34.de6 Ke7+=) 32...a4 33.Bd8 Rd8 34.Bc2 Bf4 35.Rd1 Ke7 36.Kg1 g6 37.g4 gf5 38.gf5 h5 39.Kf2 Bd6 40.Ke3 h4 41.Kd4 (better is 41.Rg1!? Be5 42.d6 Bd6 43.Rg7 Kf8 44.Rg4+/-) 41...h3 42.Nd6 Kd6 43.Re1 Rc8? 44.Bd3 Rh8 45.Re6 Kc7 46.Be4 h2+/- 47.Bh1 b3 48.ab3 Rh4 49.Kc5 Rh8? 50.d6 Kd8 51.ba4 ba4 52.Re7 Rh4 53.Re1 a3 54.Bc6 (54.Bc6 Rh8 55.Rb1 Kc8 56.d7 Kc7 57.Rb7 Kd8 58.Kd6 h1Q 59.Rb8) 1–0. Heindrich,Janos (2050) – Zambo,Zoltan (2010), Miskolc U18, 1999. (=1.e4 c5 2.b4 cb4 3.c4 Nc6)

    5.de5 Ne5 6.Bb2 Nf6?? 7.Be5+- Ne4 8.Qe2 d5 9.Nd2 Nc3?? (9...Bf5 10.Bb2 Qe7+/-) 10.Bc3 Be7 (10...Be6 11.Bd4+-) 11.Bg7 Rg8 12.Be5 1–0. marekt – brain50, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.c4 Nc6)

    3.c4 e5-/+

    4.d4 ed4 5.Bd3 Bc5 6.Ne2 Nf6 7.0-0 Nc6 8.Bg5 h6 9.Bh4 g5 10.Bg3 d6 11.Nd2 a5 12.f3 Nh5 13.Bf2 0-0 14.Qc2 Qf6 15.Rfd1 Be6 16.Nb3 a4 17.Nd2 b3! 18.ab3 Nb4 19.Qb1 a3 20.Nf1 g4 21.f4 Nf4-+ 22.Nf4 Qf4 23.Ng3 Bd7 24.Ne2 Qe5 25.Bg3 Qg5 26.Bf4 Qg6 27.Ng3 a2 28.Qc1 Kh7 29.Qd2 Bc6 30.Qf2 Nd3 31.Rd3 Be4 32.Ne4 Qe4 33.Qf1 d5 34.cd5 Qd5 35.Bg3 f5 36.Bf2 f4 37.b4 Bb6 38.Rd2 Kg7 39.Qd3 Rf6 40.Re2 Re6 41.Rd2 Re5 42.Kf1 f3 43.Kg1 h5 44.g3 Qe6 45.Kf1 Re3! 46.Qb5 Rb3 47.Qg5 Kf8 48.Rdd1 d3 49.Bc5 Bc5 50.Qc5 Qe7 51.Qe7 Ke7 52.Kf2 Rb2 53.Kf1 Rh2 54.Kg1 Rg2 55.Kf1 d2 56.b5 Ke6 57.b6 Kf5 58.Rd2 Rd2 59.Ke1 Rh2 60.Kf1 Re8 61.Kg1 Ree2 62.Ra2 Ra2 63.Kf1 Rh1# 0–1. Schlaeger,Michael (2270) – Stuempfig,Horst (2380), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    4.Nf3 Bc5 5.Bb2 d6 6.a3 Nc6 7.ab4 Bb4 8.Nc3 Nf6 9.Bd3 0-0 10.0-0 Bg4 11.h3 Bf3 12.Qf3 Nd4 13.Qd1 Bc5 14.Ne2 Ne2 15.Qe2 Nd7 16.Rfb1 Qh4 17.Bc2 Nf6 18.Bc3 Rfb8 19.Qf3 Nd7 20.Rb5 b6 21.Kf1 a5 22.Ra4 Re8 23.Qg3 Qg3 24.fg3 Nf8 25.Rb1 Ne6 26.Bd1 Nd4 27.Bg4 Ra7 28.Bd1 g6 29.g4 f6 30.g3 Rf7 31.Ra2 Kg7 ½–½. marekt – blindfaithcream, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    4.Nf3 Bc5 5.Bb2 d6 6.d4 ed4 7.Nd4 Nf6 8.Qc2 0-0 9.Bd3 a5 10.0-0 a4 11.Nf3 Nc6 12.Nbd2 a3 13.Bf6 Qf6 (13...gf6?! 14.Rad1=) 14.e5 Ne5 15.Ne5 de5 16.Bh7 Kh8 17.Ne4 Qe7 18.Nc5 Qc5 19.Be4 Be6 20.Qe2 g6 (better is 20...Kg8!?-/+) 21.Bd5= Bd5 22.Qe5 f6 23.Qd5 Qd5 24.cd5 Ra5 25.Rfd1 Rd8 26.d6 Kg8 27.g3 Kf7 28.Rab1 Rb5 29.Rd3 Ke6 30.Ra3 Rd6 31.Rab3 Ra5 32.Rb4 Ra2 33.Re1 Kf5?? (33...Kd7 34.Rb7 Kc6 35.Rg7+/-) 34.Rb5 (34.h4 Re2 35.Re2 g5 36.h5 Rd1 37.Kg2 Rg1 38.Kg1 g4 39.Rb5) 34...Kg4+= 35.Re4 Kf3 36.Re3 Kg4 37.Re4 ½–½. Chipkin,Leonard (2020) – Josenhans,Daniel (2260), Nassau CC–ch, 2002. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    4.Nf3 Bc5 5.d4 ed4 6.Bb2 Nc6 7.Nbd2 d6 8.h3 Nf6 9.Bd3 0-0 10.g4 Re8 11.Kf1 a5 12.Ne1 Ne5 13.Qc2 b6 14.f3 Ba6 15.Rc1 Rc8 16.Rh2 (16.Kg2-+) 16...d5! 17.cd5 (17.cd5 Bd3 Double attack; 17.ed5 Nd3 Combination) 7…Nd3 (17...Nd3 18.Nd3 Bd6 19.Qc8 Bc8-+) 0–1. Wiegmann,Sascha (2180) – Fries Nielsen,Jens Ove (2380), BL2–Nord, 2007. (=1.c4 c5 2.b4 cb4 3.e4 e5)

    4.f4 Bc5 5.Qb3 Nf6 6.Nf3 Ne4 (6...ef4?! 7.d4 Be7 8.Bd3+=) 7.fe5 Nc6 8.a3 Nf2 9.ab4 Nd4 10.Qc3 Nf3 11.Qf3 Bd4 12.Qf4 Ba1 (12...Nh1 13.Qd4 Qg5 14.Nc3=) 13.Qf2 0-0 14.Be2 d6 15.Na3 de5 16.Nc2 Bd4 17.Nd4 Qd4 18.0-0 Qf2 (18...Qf2 19.Kf2 Rd8-+) 0–1. Osthus,Reinhard – Koch,Christian, DESC, 2001. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    4.f4 Nc6 5.Nf3 Bc5 6.Bb2 d6 7.d4 ed4 8.Bd3 Nf6 9.Nbd2 0-0 10.0-0 Ng4 11.Qe2 Ne3 12.Kh1?! (12.Rf2-+) 12...Nf1 13.Rf1 Qe7 14.f5 f6 15.g4 Bd7 16.h4 Rae8 17.Rg1 a6 18.Rg2 b5! 19.g5 (19.cb5 ab5) 19...Ne5 20.Nd4 bc4 21.Bc4 Nc4 22.Qc4 Kh8 23.N4f3 Qf7 24.Qc2 Bc6 (24...Qa2 25.gf6 Rf7 26.fg7 Kg8 27.Ng5=) 25.Nd4 Ba8 26.g6? (26.gf6 gf6 27.Ne6 Re6 28.fe6 Qe6 29.Kh2-+) 26...Qa2 27.N4f3 (27.Ne6 Re6 28.fe6 Qe6-+) 27...h6 28.Ng5 (28.Re2 d5 29.Qc5 Qb2-+) 28...Be3 (better is 28...hg5 29.Qd1 g4 (29...Be4?? 30.Qh5 Kg8 31.Qh7) 30.Qg4 Be3-+ (30...Qb2?? 31.Qh5 Kg8 32.Qh7)) 29.Qc7 (29.Ne6 Re6 30.fe6 Qe6 31.Kh2-+) 29...Qb2 (better is 29...hg5!? 30.Qc2-+) 30.Nf7 Kg8 (30...Kg8 31.Qc4 d5 32.ed5 Rc8-+) 0–1. Ewen,Rainer – Schmall,Juergen, Verbandsliga Nord Baden, 1998. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    4.f4 ef4 5.Nf3 Ne7 6.d4 Ng6 7.Bd3 Be7 8.0-0 Nc6 9.Nbd2 d6 10.Nb3 Bf6 11.Bb2 Bg4 12.Qc2 0-0 13.Rfe1 Bf3 14.gf3 a5 15.e5 de5 0–1. Van Eijk,Jelle H – Genge,Peter (1750), IECG, 1996. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    4.a3 ba3

    5.Ba3 Ba3 6.Na3 Nf6 7.Bd3 0-0 8.Nf3 Re8 9.Nb5 Qb6 (better is 9...Na6!?-/+) 10.c5= Qc6 (10...Qc5 11.Rc1 Qe7 12.Nc7+=) 11.Nd6 (worse is 11.Na7 Qc5 12.Nc8 Ra1 13.Qa1 Rc8-/+) 11...Re6 (11...Qc5?? 12.Ne8 Ng4 13.0-0+-) 12.Rc1 Ne8? (better is 12...Na6 13.Bb5 Qc7 14.Ba6 ba6+=) 13.Ng5+- Nd6? (better is 13...Nf6+-) 14.cd6 (14.cd6 Rf6 15.Rc6 Nc6 16.Bc4+-; 14.Ne6 Ne4 15.Nd8 Nf2 16.Nc6 Nd3 17.Kf1 dc6+/-) 1–0. marekt – TomOne, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    5.Na3 Nf6 6.d3 Nc6 (6...Bb4 7.Bd2 Bc5 8.Nf3-/+) 7.Bd2 (7.Nf3 Bb4 8.Bd2 Bd2 9.Qd2 d6-/+) 7...Bc5 8.h3? (8.Nc2 d6-/+) 8...0-0 (better 8...Qb6!? 9.Be2 Bf2 10.Kf1-+) 9.Nf3 (9.Nc2 d6-/+) 9...a6 (9...Qb6!? 10.Rb1 Bf2 11.Ke2-+) 10.Be2-/+ d6 (10...Qe7 11.Nc2-/+) 11.0-0 h6 (11...Be6 12.Nc2-/+) 12.Qb3 (12.Be3 b6-/+) 12...Qc7 (12...b6 13.Be3-/+) 13.Kh2 (13.Rfb1 Ra7-/+) 13...Be6 14.Rab1 (14.Qb2!?-/+) 14...b5!-+ 15.Nc2 (15.cb5 Nd4 Double attack (15...Bb3 Pinning; 15...Bb3 Deflection; 15...Nd4 Decoy)) 15...bc4 16.dc4 (16.Qa4 d5-+) 16...Ne4 17.Be3 (17.Ne3 Rfb8 18.Qa2 Rb1 19.Rb1 Nf2-+) 17...Rfb8 18.Qa4 (18.Qd3 Rb1 19.Rb1 Nf2 20.Qd2-+) 18...Rb1 19.Rb1 Nc3 (19...Nc3 20.Qb3 Ne2-+) 0–1. jaddwarrior (2090) – revoluo (2345), ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    4.Bb2 Nc6

    5.Nf3 Bc5 6.Ne5= Qf6 7.d4 Ne5 8.dc5 Nf3 9.gf3 Qb2 10.Nd2 Ne7 11.Nb3 Qc3 12.Ke2 Qc4 13.Qd3 Qd3 14.Kd3 b6 15.Ke3 bc5 16.Nc5 0-0 17.Rd1 Rd8 18.Rd6 Rb8 19.Bh3 The pressure on d7 grows 19...Rb5 20.Nd7 Bd7 21.Rd7 Rd7 22.Bd7 Ra5 23.Rb1 Ra3 24.Rb3 Ra2 25.Rb4 Ra3 26.Ke2 g5 27.Ra4 Ra4 28.Ba4 Kg7 29.f4 gf4 30.Kf3 Ng6 31.Kg4 Kf6 32.Bb3 a5 33.f3 Ke5 34.Bf7 a4 35.Kg5 a3 36.Kh6?? (better is 36.Ba2-+) 36...Nh4 37.h3 Nf3 0–1. Eade,James (2325) – Appleberry,Martin (2275), CalChess Masters, 1983. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    5.f4 d6 6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 ef4 9.0-0 Nf6 10.d4 Qb6 11.Kh1 Be7 12.e5 de5 13.de5 Rd8 14.Qc1 Nd7 15.e6 Nde5 (15...Nf6 16.ef7 Kf7 17.Qf4+=) 16.ef7 (16.Bc6 Nc6 17.ef7 Kf8 18.Qf4 Nd4=) 16...Nf7 (16...Kf8 17.Qf4 Bf6 18.Bc6-/+) 17.Bg7 Rg8 18.Bb2 Qe3 19.Qc2 Qd3 20.Qd3 Rd3 21.Be4 Rd6 22.a3 b3 23.Bc3 a5 24.a4 Nb4 25.Na3 (25.Nd2 b2 26.Rad1 Ng5=) 25...b6 (better is 25...Ng5 26.Rf4 Na2-/+) 26.Nb5= Rh6 27.Rae1 Rg4 28.Bf5 Rgh4 29.h3 Kf8 30.Nc7 Ng5 31.Bd7? (better is 31.Bd2!? Rf6 32.Bf4+=) 31...Nd3-/+ 32.Bg7 Kg7 33.Re7 Kf8 34.Re8 Kf7 35.Bf5 Rc6 (35...Rc6 36.Rc8 Ne5-/+) 0–1. Heindrich,Janos (2050) – Toth,Daniel (2080), Miskolc U18, 1999. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Bb2 Nc6)

    5.Nf3 d6

    6.d4 Qa5 7.Nbd2 (7.d5 Nce7=) 7...Nf6 (7...ed4!? 8.Nb3 Qb6=) 8.d5= Ne7 9.c5 Qc5? (better 9...Ng6 10.Rc1 dc5= (10...Qa2? 11.Nc4 Bd7 12.Ra1+-)) 10.Rc1+- Qb6 11.Nc4 Qd8?? (11...Qc5 12.Nce5 Qa5+-) 12.Qa4+- Qd7 (12...Nc6 13.dc6 bc6 14.Qc6 Bd7 15.Nd6 Bd6 16.Qd6 Qe7 17.Qe5 a6+-) 13.Nd6 Kd8 14.Qd7 (better 14.Nf7 Ke8 15.Bb5 Kf7 16.Ne5 Kg8 17.Nd7 Bd7 18.Bd7+-) 14...Bd7 15.Ne5 (better 15.Nb7!? Ke8 16.Nd6 Kd8 17.Nf7 Ke8 18.Nd6 Kd8 19.Ne5 Ng6 20.Ng6 Bd6 21.Nh8 Ke7+-) 15...Be8 (15...Ng6 16.Nef7 Ke7+-) 16.Nb7 1–0. Hodot,Yves (1925) – Pontier,Armand (1785), Nancy France, Senior Championship, 2013. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Bb2 Nc6 5.Nf3 d6)

    6.d4 Qc7 7.Be2 Nf6 8.Nbd2 Be7 9.0-0 0-0 10.d5 Nb8 11.Ne1 Na6 12.Nd3 Nc5 13.Nc5 Qc5 14.Kh1 a5 15.f4 ef4 16.e5 de5 17.Be5 Bf5 18.Nb3 Qc8 19.Rf4 Rd8 (19...Re8 20.Qf1 Bg6 21.Re1+=) 20.Qf1 (better is 20.d6!?+=) 20...Bg6+= 21.Nd4 Nd7 22.Bg4 (22.Nf3!?-/+) 22...f6-+ 23.d6 Bf8 (23...fe5 24.de7 ef4 25.Be6 Kh8 26.ed8R Qd8 27.Qf4-/+) 24.Bf6 gf6 25.Ne6 Bd6 26.Rf6 (26.Nd8 Qd8 27.Rd4 Nc5-+) 26...Be5 (26...Nf6!? 27.Qf6 Bf8 28.Nd8 Qg4 29.Rf1-+) 27.Nd8 Qd8 (27...Bf6 28.Rd1 Qd8 29.Be6 Kh8 30.Rd7-+) 28.Rg6? (better is 28.Be6 Kh8 29.Rf3-+) 28...hg6 29.Rd1 Qh4 30.Be6 Kh8 31.Bh3 Nf6 32.g3 Qh5 33.Re1 Bc3 34.g4 (34.Re2 Rf8-+) 34...Ng4 35.Re7 Nf2! 36.Qf2 Qh3 37.Qf7 Rd8 (37...Rd8 38.Re8 Re8 39.Qe8 Kh7-+) 0–1. Cordts,Ingo – Soderberg,Per (2245), Gent op, 1998. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Bb2 Nc6 5.Nf3 d6)

    6.d4 ed4 7.Nd4 Nf6 8.Nd2 Nd4 9.Bd4 a5 10.Bd3 Be7 11.0-0 0-0 12.f4 Nd7 13.Qh5 Bf6 14.e5 g6 15.Qe2 de5 16.fe5 Be5! 17.Be5 Re8 (17...Ne5?! 18.Qe5 Qd3 19.Ne4+=) 18.Ne4 Re5 19.Qb2 Qe7 20.Rad1? (20.Qd4 Ra6-+) 20...Ra6 (20...Re4 21.Be4 Qe4 22.Rfe1+=) 21.c5 Re4 22.Be4 Nc5 23.Bd5 Be6 24.Be6 Re6 25.Rd5 b6 26.Qd4 f6 27.Rd8 Kg7 28.h3 a4 29.g4 Kh6 30.Qd2 g5 31.Rg8 Ne4 32.Qd8 Qd8 33.Rd8 Nc3 34.Rg8 Ne2 35.Kf2 Nf4 36.Kf3 Ng6 37.Rb1 Nh4 38.Kf2 Re4 39.Ra8 b5 40.Ra6 Kg6 41.Rb6 Rf4 42.Ke3 Rf3 43.Ke2 b3 44.ab3 ab3 45.Rb5 Rh3-+ 46.R5b3 Rh2 47.Ke3-/+ h5 48.gh5 Kh5 49.R1b2? Rh3 50.Kf2 Rh1 51.Rb1 Rh2 52.Kg1-/+ Rg2 53.Kf1 f5 54.Rb7 Rg4 55.R7b4? f4 56.Rb7 Rg3 57.R7b3? Kg4 58.Rg3? Kg3 59.Kg1 g4 60.Rb3 f3 61.Rb2 Nf5 62.Rb3 Nd4 63.Ra3 Kh3 64.Kh1 Kg3 65.Kg1 Nf5 66.Rb3 Kh3 67.Ra3 Ng3 68.Rb3 Kh4 69.Rb4 Kh3 70.Rb3 Ne4 71.Ra3 Kg3 72.Rb3 Kh3 73.Ra3 Ng5 74.Kh1 Kg3 75.Kg1 Ne4 76.Rb3 Kf4 77.Rb8 g3 78.Rf8 Ke3 79.Re8 Kd3 80.Rf8 Ke2 81.Rf7 Ng5 82.Re7 Kd3 83.Rg7 Ne4 84.Re7 Nc3 85.Rd7 Ke3 86.Re7 Ne4 87.Re8 Kf4 88.Rf8 Kg4 89.Rg8 Ng5 90.Kf1 ½–½. Serafini – Reshevsky,Samuel, corr, 1985. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Bb2 Nc6)

    6.d4 ed4 7.Nd4 Nf6 8.Nd2 Be7 9.Qa4 Bd7 10.Nc6 Bc6 11.Qb4 d5 12.Bf6 gf6 13.c5 a5 14.Qc3 de4 15.Rd1 Qd5 16.Qg3 Qc5 17.Qg7 0-0-0 (17...0-0-0 18.Qh6 Ba4-+) 0–1. Huenerkopf,Heinz (2270) – Chandler,Murray G (2535), Bundesliga, 1986.

    6.d4 ed4 7.Nd4 Nf6 8.Bd3 Be7 9.a3 0-0 10.0-0 ba3 11.Na3 Qb6 12.Nc6 bc6 13.Qd2 a5 14.Rfb1 Qc7 15.Nc2 Nd7 16.Ne3 Bg5 17.Ba3 d5?? (better is 17...Re8-/+) 18.Bf8+/- (18.cd5?! Re8+=) 18...Qh2?? (better is 18...de4 19.Bg7! Qd6 20.Ra5 Be3 21.fe3 Ra5 22.Qa5 Qd3+/-) 19.Kh2+- (19.Kh2 d4 20.Ra5 de3 21.fe3 Be3 22.Ra8 Bd2 23.Bd6+-) 1–0. Osthus,Reinhard (1950) – Arndt,Stefan (2070), DESC, 2001. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Bb2 Nc6 5.Nf3 d6)

    6.d4 Be7 7.d5= (worse is 7.de5 de5 8.Qd8 Bd8-/+) 7...Nb8 8.c5 Nf6 9.cd6 Bd6 10.Nbd2 0-0 11.Bd3 (worse is 11.Ne5 Re8 12.f4 Nbd7-/+; worse is 11.Be5 Be5 12.Ne5 Qe7-/+) 11...Re8 12.0-0 Na6 13.Nc4 e5 becomes the focus of attention 13...Bg4 14.h3 Bf3 15.Qf3 (worse is 15.gf3 Nh5 16.Kh2 Nc5-/+) 15...Nc5 16.g4 (16.Rfe1!?=) 16...h6 17.Bc1? (17.Rac1 Rc8+=) 17...Bf8 (better is 17...Nd5!? 18.Nd6 Qd6-+) 18.Re1 Nh7 19.Bf1 b5 (19...Rc8 20.Nd2-/+) 20.Nb2 a6 21.Qg3 Qf6 22.Bg2 Rac8 23.h4 White prepares the advance g5 23...Be7 24.g5 hg5 25.hg5 Ng5 26.Bd2-/+ Nh7 27.Nd3 a5 28.Rac1 Nb7 29.Bh3 Rc1-/+ 30.Rc1 Qh4 31.Qh4+= Bh4 32.Bd7 Rd8-/+ 33.Rc7 Nd6 34.f3 Nf8 35.Bg4 Bf6 36.Be3+= Ng6 37.Bh6?? Nc4 38.Rc6 0–1. Hodot,Yves (1900) – Weill,Roland (2185), Pau FRA, Senior Ch, 2012. (=1.e4 c5 2.b4 cb4 3.c4)

    6.d4 Nf6 7.Nbd2 ed4 8.Nd4 Qb6 9.Nc6 bc6 10.Be2 Be7-/+ 11.0-0 0-0 12.Qb3 Be6 13.Qg3 Ne8 14.Nf3 Bf6 15.e5 de5 16.Ne5 Rd8 17.Rfe1 c5 18.Bd3 Qc7 19.Re2 Qd6 20.Rd1 Qa6 21.Red2 Qa2 22.Ra1 Be5 ½–½. Ong,Alan – Powell,Lisa, Trio, 1996.

    6.d4 Nf6 7.Nbd2 ed4 8.Nd4 Be7 9.Be2 Bd7 10.0-0 0-0 11.Kh1 Qb6 12.N4b3 a5 13.Rb1 a4 14.Nc1=+ Qa5 15.Nd3 Rfe8 16.Nf4 Bd8 17.f3 Be6 18.Nd5 Bd5 19.cd5= Ne5 20.f4 Ned7 21.Nc4 Qc7 22.e5+= de5 23.fe5 Ne4 24.d6 Qc6= 25.Qd4 Ng5 26.Bf3 Nf3-/+ 27.Rf3 b5 28.e6 f6 29.Qg4? Qc4-+ 30.ed7 Re1!! (30...Re1 31.Re1 Qg4 32.Bf6 Qd7-+; 30...Qg4?? 31.de8Q) 0–1. Mathews,Michael – Elrod,Dennis, IECC, 1997.

    4.Nf3 Nc6

    5.a3 f5 6.d3 Nf6 7.ef5 d5 8.d4 ed4 (8...Bf5?! 9.de5 Qe7 10.Qe2=) 9.Nd4 Nd4 10.Qd4 Bf5 11.a4 Bd6 12.Bg5?? (better is 12.cd5 Qe7 13.Qe3 Qe3 14.fe3-+) 12...Qe7 13.Be2 Be5 14.Qh4 (14.Bf6 Bf6 15.Qf4 Bg6 16.cd5 Ba1-+) 14...Ba1 15.Nd2 Bc3 16.0-0 (16.Bf6 Qf6 17.Qf6 gf6 18.Kd1-+) 16...Qe2 17.Bf6 Bf6 18.Qd4 Bd4 19.Rc1 Qf2 20.Kh1 Bh3 21.gh3 Be5 22.Rd1 (22.Nf1 Qf3 23.Kg1 Bd4 24.Ne3 Be3) 22…Qh2 0–1. anglewolf – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    5.a3 Nf6 6.Bd3 ba3 7.Nc3 Bc5 8.0-0 d6 9.Nd5 Bg4 10.Ne3 Bh5 11.h3 0-0 12.Ba3 Nd4 13.g4 Bg6 14.Nd4 (14.Ne5 Be4 15.f3 de5 16.Be4 Ba3 17.Ra3-+) 14...Bd4 (14...ed4?! 15.Nf5-/+) 15.Nf5 Bf5 16.ef5 Ba1 17.Qa1 Qc7 18.Be2 a6 19.d4 Rfe8 20.g5 Ne4 21.h4 (21.de5 Re5 22.Bg4 Rae8-+) 21...Nd2 22.Qc3 Nf1 23.Bf1 d5! 24.Qg3 (24.cd5 Qd7) 24...Rac8 (24...dc4 25.de5 Qe5 26.Qe5 Re5 27.Bc4-+) 25.g6 (25.de5 dc4 26.Bd6 Qa5-+) 25...ed4 26.Bd6 Qd7 27.f6 fg6 28.Bg2 (28.Bh3 Qc6 29.Bc8 Qc8-+) 28...gf6 29.Bd5 Kg7 30.h5 Qf5 31.Qb3 b5 32.c5 Qg4 33.Kf1 Qe2 34.Kg2 d3 35.Bf3 Qc2 36.Qd5 d2 37.h6 Kh6 38.Bf4 g5 39.Bd6 d1Q! 40.Bd1 Qe4 41.Bf3 Qd5 42.Bd5 a5 43.Bb7 b4 44.c6 b3 45.Ba3 Rc7 46.Bb2 Rb7! 47.cb7 Rb8 0–1. Hodot,Yves (1960) – Dionisi,Thomas (2065), FRA–ch op–A Pau, 2008. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    5.Bb2 Bc5 6.a3? Qb6-+ 7.Qe2 Nd4 8.Nd4 Bd4 (8...ed4?! 9.ab4 Bb4 10.Na3=) 9.d3 ba3 10.Bd4 Qd4 11.Ra3 Ne7 12.Nc3 0-0 13.g3 d6 14.Bg2 Qc5 15.Qa2 Nc6 16.Nd5 Be6 17.0-0 Bd5 18.cd5 Nd4 19.Ra5 b5 20.Bh3 Qc7 21.Ra1 Rfb8 22.Bg4 b4 23.Ra6 b3 24.Qb2 (24.Qa4-+) 24...Qc2 25.Rb1 Qd3 26.Rd6 a5 27.Ra1 (27.Rd7 a4 28.Bh5 Qe4-+) 27…Qc2 (27...Qc2 28.Qc2 bc2-+) 0–1. Ruehl,Volker (1955) – Franz,Michael (1890), Baden Wuerttemberg–chB, 2005. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Nf3 Nc6)

    5.Bb2 Qc7 6.d4 d6 7.d5 Nce7 8.Qa4 Bd7 9.Qb4 Ng6 10.Nc3 Nf6 11.g3 Be7 12.Ba3 0-0 13.Rb1 b6 14.Bd3 Ne8 15.Qb3 Bh3 16.Bf1 Bf1 17.Kf1 Rc8 18.Nd2 Qd7 19.Kg2 Bg5 20.Nf3 Bh6 21.Bc1 Nf4 22.Bf4 ef4 23.e5 Qf5 24.Nd4 f3 25.Nf3 de5 26.Rbe1 Bf4 (26...f6!?=) 27.Ne4 g5?? (better is 27...Bh6+=) 28.Neg5 (28.gf4 gf4 29.Rhg1 f6+-) 28...Nd6? (better is 28...Bg5 29.Re5 Qf6 30.Rg5 Kh8+-) 29.gf4 e4 30.Nh4 Qf4 31.Qg3 Qg3 32.hg3 Rc4 33.Nh7! Rfc8 34.Ng5 f5 35.Nf5! Nf5 36.Ne4 Rc2 37.d6 Rd8 38.d7! Kg7 39.Rh5 Nh6 40.Rg5 Kh8 41.Nf6 (41.Nf6 Rcc8 42.Rh1 Rd7 43.Rh6 Rh7 44.Rh7) 1–0. Chipkin,Leonard (2020) – Kreitner,Ilan (2200), Nassau CC–ch, 2002. (=1.e4 c5 2.b4 cb4 3.c4 e5 4.Nf3 Nc6)

    5.Bb2 Qc7 6.Qe2 -/+.

    5.Bb2 d6 6.d4 ed4 7.Nd4 Nf6 8.Nd2 Be7 9.a3 ba3 10.Ra3 0-0 11.Be2 Nd4 12.Bd4 Be6 13.0-0 d5 (13...Qc7!? 14.Qb3 d5 15.cd5 Ba3 16.Qa3 Bg4+=) 14.Bf6= Bf6 15.ed5 Bf5 16.Bg4 Bg4 17.Qg4 Qd6 18.Re3 a5 19.Ne4 Qb6 20.c5 Qd8 21.Qf5 a4 22.Rh3 h6 23.Rb1 (worse is 23.Nf6 Qf6 24.Qf6 gf6+/-) 23...a3 24.Rh6!! (24.Nf6?! Qf6 25.Qf6 gf6+/-) 24...gh6 (24...gh6 25.Nf6) 25.Nf6 Kg7 26.Rb6 Qb6 (26...Rh8 27.Qe5 Rh7 28.Nh7 Kh7 29.Rb7 Qg5 30.Qe4 Kg8+/-) 27.Nh5 (27.cb6?! Rfc8 28.Nh5 Kf8+-) 27...Kh8 (27...Kg8 28.cb6 Rfe8 29.Qg4 Kf8 30.Qg7 Ke7 31.Qe5 Kf8 32.Qh8 Ke7+-) 28.cb6 Rg8 29.Qf6 Kh7 30.Qf7 Kh8 31.Nf6 (31.Qb7?? a2 32.h3 a1Q 33.Kh2 Qf1-+) 31...Rg7 32.Qh5 Rh7 33.Qg6 (33.Qg6 Rd7 34.Qh6 Rh7 35.Qh7) 1–0. marekt – stampyshortlegs, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    5.Bb2 d6 6.d4=+ ed4 7.Nd4 Nf6 8.Nd2 Be7 9.Bd3 0-0 10.0-0 Nd4 11.Bd4 Nd7 12.Qb1 Nc5 13.Bc2 Ne6 14.Be3 Bf6-/+ 15.e5 Be5-+ 16.Bh7 Kh8 17.Bc2 Ba1 18.Qa1 Bd7 19.Qd1 Qh4 20.Nf3 Qh5 21.Qd6 Bc6 22.Bd1 Rad8 23.Qg3 Qg6 24.Qg6=+ fg6 25.Ne5 Be4 26.Bf3+= Bf5 27.Bb7+/- Kh7 28.g4 Bd3 29.Re1 Nf4 30.c5 Ne6 31.Rd1 Bc4+/- 32.Rd8 Nd8 33.Nc4 Nb7 34.c6 Nd8 35.Bc5 Rf7 36.Ne5 Rc7 37.Bb4 Nc6=+ 38.Nc6 Rc6 39.a3 Kg8 40.Kg2 Kf7 41.Kg3 Rc4 42.f3 Rd4 43.h4 Rd5 44.Bc3 a5 45.Kf4 Rc5 46.Be5 Rb5 47.Bc3 a4 48.Bd4 Rb3 49.Bc5 Rc3 50.Bd6 Rd3 51.Bc5 Rd5 52.Bb6 Ke6 53.Be3 Kd6 54.Ke4 Ke6 55.Kf4=+ Rd1 56.Bc5 Rd2 57.Bf8 Ra2 58.Bb4 Rh2 59.Kg3 Rb2 60.Bf8 Rb7 61.Bc5 Ke5 62.Be3 Kd5-+ 63.Kf4 Rb3 64.Bc1 Ke6 65.Kg5=+ Kf7 66.Kf4 Rc3 67.Bb2 Rd3 68.Kg3 Rb3 69.Bc1 Ke6 70.Kf4 Kf6 71.Ke4 Rb1 72.Be3 Rh1 73.Bf2 Rh2 74.Bg3 Re2 75.Kd3 Ra2 76.Bd6 Ke6 77.Bf8 Rh2 78.Bg7 Rh4 79.Ke4 Rh7 80.Bd4 Rh2 81.Bc5 Rd2 82.Bd4 Re2 83.Kf4 Ra2 84.Bc5 Rc2 85.Bd4 Ra2 86.Bc5 Rb2 87.Ke4 Rb5 88.Bd4 Rb3-+ 89.Bc5 Rc3 90.Bf8-/+ Rc4 91.Ke3 Rc8 92.Bg7 Rc7 93.Bf8 Rf7 94.Bb4 Kd5 95.Bd2? Rf8 96.Bc1 Rc8-+ 97.Bd2 Rc2 98.Bb4 Rb2 99.Be7 Rb7 100.Bf8 Rb8 (100...Rb8 101.Bh6 Rb3 102.Kd2 Rf3-+) 0–1. Hector,Jonny – Kudrin,Sergey, Cup World (open), Palma de Mallorca (Spain), 1989.

    5.Bb2 d6 6.d4 Bg4 7.d5 Bf3 (7...Nce7 8.Nbd2=) 8.gf3 (8.Qf3 Nb8=) 8...Nb8 9.a3 (9.Qa4 Nd7=) 9...ba3+= 10.Ra3 Nd7 11.Qa4 (11.Nd2 Ngf6+=) 11...b6 (11...Ngf6 12.c5-/+) 12.f4+= Ngf6 13.Nd2 ef4 (13...Be7 14.Qc6 ef4 15.Rf3-/+) 14.Rg1 (better is 14.Bf6!? gf6 15.Bh3=) 14...g6+= 15.c5 (better is 15.Bh3 Bg7 16.Qc6=) 15...Bg7 (better is 15...bc5!? 16.Bb5 Bg7-/+) 16.cb6= 0-0 17.ba7 Nc5 18.Qc4 (18.Qa5 Qe7 19.Bf6 Bf6-/+) 18...Qe7+= 19.f3 (19.Bf6 Bf6 20.Qe2 Bb2-+) 19...Ra7 (19...Nfe4 20.Bg7 Nd2 21.Kd2 Kg7 22.Qd4 f6 23.Bc4 Ra7 24.Re1-+) 20.Ra7+= Qa7 21.Rg5 (21.Bd4 Nfd7 22.Bg7 Kg7 23.Qc3 Kg8-/+) 21...Rb8 (21...Nfe4 22.Bg7 Nd2 23.Kd2 Kg7 24.Be2-+) 22.Bc3 (22.Bd4 Qa3-/+) 22...Nfd7 (22...Qa3 23.Bd4-+) 23.Bg7-/+ Kg7 24.Qc3 f6 25.Rg4 Na4 26.Qa3 Qe3 (better is 26...Ne5 27.Rf4 Rb2-+) 27.Qe3 fe3 28.Nc4 Rb1 (28...Ne5 29.Ne3 Nf3 30.Kf2 Nh2 31.Rg3 Nf1 32.Kf1 Rb1 33.Ke2-+) 29.Ke2 Nc3 30.Ke3 Rf1 31.Nd6 Ne5 32.Rg3 h5 33.f4-/+ Ng4 34.Kd3 Na4 35.h3 Rb1 36.Kc2 Rb2 37.Kc1 Nf2 38.e5 fe5 39.fe5 Re2 40.e6 Ne4 41.Ne4 Re4 42.Rf3 g5 43.Rf7 Kg6 44.Ra7 Nb6 45.Rd7? Re5 46.e7 0–1. Hodot,Yves (1915) – Juhasz,Armin (2220), Vaujany FRA, Open, 2013. (=1.e4 c5 2.b4 cb4+= 3.c4 e5-/+ 4.Nf3 Nc6)

    5.d4 ed4 6.Nd4 Qf6 7.Nb3 Na5 8.N1d2 (8.Na5 Qe5) 8...Ne7 9.Rb1 Nb3 10.Nb3 Nc6 11.Be2 Bd6 12.Bb2 Be5 13.Be5 Qe5 14.0-0 0-0 15.Qd5 d6 16.Rfd1 Rd8 17.Qe5 de5 (worse is 17...Ne5 18.c5+/-) 18.Rd8 Nd8 19.Rd1 Nc6 20.Nc5 Kf8 21.h3 Ke7 22.Bg4 Nd4 23.Nd3 Bg4 24.hg4 Rd8 25.Kf1 Nc6 26.Ke2 (better is 26.c5!?-/+) 26…Rd4-+ 0–1. Chipkin,Leonard (2020) – Bonin,Jay R (2410), Nassau CC–ch, 2002. (=1.e4 c5 2.b4 cb4 3.c4 e5)

    3.Bc4 e6

    4.Bb2 d5 5.ed5 ed5 6.Qe2 Be6 7.Bb5 Nc6 8.Nf3 a6 9.Bd3 Qe7 10.0-0 Bg4 11.Qd1 0-0-0 12.a3 Nf6 13.ab4 (13.h3 Be6=) 13...Qb4 (13...Nb4 14.Be2 Re8+=) 14.Ba3 (14.Bf6!? gf6 15.h3=) 14...Qf4-/+ Black prepares d4 15.Be2 d4 16.Bf8 Rhf8 17.Na3 (17.h3!? Bf3 18.Bf3-/+) 17...Rfe8-/+ 18.Nc4 d3 (18...Qe4!? 19.Re1 Bf3 20.Bf3 Qe1 21.Qe1 Re1 22.Re1 Kc7-/+) 19.cd3+= Re2 20.Qe2 Re8 21.Nb6? (21.Qd1 Nd4 22.Ne3 Bf3 23.gf3-+) 21...Kd8-+ 22.Qd1 Nd4 23.Qa4 Bf3 24.Rfe1 Re1 25.Re1 Be2 26.Qa5 Ke8?? 27.Qc5= Qg4 28.Nc8 Nf3-/+ 29.Kh1 Qe6 30.Nd6 Kd7 31.Rb1 Qe5 32.Rb7+= Ke6 33.Qe5?? Ne5-+ 34.Rb6 Nfd7 35.Ra6 Bd3 36.Nc4 Ke7 37.Ra5? Bc4 38.Ra1 Nf6 39.Re1 Nfd7 40.f4?? Kf6 41.fe5 Ne5 42.h3 g6 43.Ra1 h5 44.Kg1 Kf5 45.Kf2 Bd5 46.Ke3? Bg2 47.h4 f6 48.d4 Ng4 49.Kd2 Bd5 50.Ra7 Nh2 51.Ke3 Ng4 52.Kd2 Kf4 53.Rg7 Be4 54.Rg8 Ne3 55.Rg7 Nd5 56.Ke1 Kg4 57.Kf2 Kh4 58.Kg1 Kg3 59.Ra7 h4 60.Ra3 Bf3 61.Ra2 g5 62.Rb2 g4 63.Ra2 Kf4 64.Rb2 g3 65.Rd2 h3 66.Rg2 h2 67.Rh2-+ gh2 68.Kh2 f5 69.Kh3 Ke3 70.Kh2 Black now must not overlook the idea Be4 70...Kf2 71.Kh3 Bg2 72.Kh2 Ne3 (72...Ne3 73.d5 Ng4) 0–1. Oprea,Erik (2095) – Bottyan,Peter (2140), SVK–chT1W, 2000. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Bb3 d5 5.e5 Nc6 6.d4 Qb6 7.Nf3 Nge7 8.a3 Nf5 9.Be3 ba3 10.0-0 Be7 11.Na3 0-0 12.c3 Bd7 13.Bc2 Na5 14.Bg5 Ba3 15.Ra3 Rfc8 16.g4 Bb5 17.gf5 Bf1 18.Qf1 Qb2 19.Ra5 (better is 19.Qc1!? Qc1 20.Bc1+=) 19...Qc2+= 20.fe6? (better is 20.Qh3!? b6 21.Ra3 Qb1 22.Kg2 Qf5 23.Qf5 ef5 24.Nh4=) 20...Qc3-+ (20...fe6?! 21.Ra3=) 21.ef7 Kf7 22.Qb5 Qf3 23.Qb7 Kg8 (better is 23...Kg6 24.Be3 Rab8 25.Qa6 Kh5-+) 24.Ra7?? (24.Qd5 Qd5 25.Rd5-/+) 24...Ra7 (better is 24...Qg4 25.Kf1 Ra7 26.Qa7 Qg5-+) 25.Qc8= Kf7 26.e6 Kg6 27.e7 Kg5 28.Qc1 Kf6 29.e8Q Qg4 30.Kf1 Qh3 31.Ke1 Re7 32.Qe7 Ke7 33.Qc5 ½–½. Lujan,Maria Carolina – Farfan Ortiz,Alfredo (2085), Najdorf Festival op, 1998. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    4.Bb3 Qg5 5.Nf3 Qg2 6.Rg1 -/+.

    4.d3 Nc6 5.Nf3 d5 6.ed5 ed5 7.Bb5 Bd6 8.0-0 Nge7 9.Re1 0-0 10.Bb2 Bg4 11.Nbd2 a6 12.Bc6 Nc6 13.c4 bc3! (13...bc3 14.Bc3 d4-+) 0-1. griggil - milne (2440), 164th GK tournament, gameknot.com, 2018. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.d4 a6 5.Ne2 Ne7 6.d5 ed5 7.ed5 Ng6 8.Bb2 d6 9.0-0= Nd7 10.f4 Nf6 11.Ng3 Be7 12.f5 Ne5-/+ 13.Bb3 0-0 14.Qd4 a5 15.Nd2 b5 16.a4 ba3! 17.Ra3 Bd7 18.Nde4 b4 19.Raa1 Bb5 20.Rf4 a4 21.Ba2 a3 22.Bc1 Ba4 23.Qb4 Bc2 24.Nf2 Qa5 25.Bd2 Qb4 26.Rb4 Rfb8 27.Rc1-/+ Rb4 28.Bb4 Bd3 29.Rc3 Bb5 30.Ra3? Ra3-/+ 31.Ba3 Bc4 32.Bc4 Nc4 33.Bc1 Nd5 34.Nge4 Nf6 35.Kf1 d5 36.Nf6-/+ Bf6 37.Ke2 Kf8 38.Bd2 Nd2 39.Kd2 Ke7 40.Ke3 Kd6 41.Nd3 Bd8 42.g4 Bb6 43.Kf3 Bg1 44.h4 Bh2 45.Kg2 Be5 46.Kf3 Bc3 47.Ke3 Ba5 48.h5 Bd8 49.Kf4 h6 50.Ke3 Bf6 51.Kf4 Kc6 52.Ne5? Be5-+ 53.Ke5 f6 54.Ke6 d4 55.Kf7 d3 56.Kg7 d2 57.g5 hg5 58.h6 d1Q 59.h7 Qh1 0–1. Andreev,Konstantin – Hristov,H, BUL–chT Bankia, 1992.

    4.Qe2 Ne7 5.e5 (5.Nf3 d5 6.ed5 Nd5+=) 5...d5 6.Bb3 Nbc6 7.Nf3 Nf5 8.Bb2 h5 (8...Bc5 9.0-0-/+) 9.a3 Bd7 10.ab4 Bb4 11.c3 Ba5 12.Ba3 d4 13.0-0 Bb6 14.Bc2 Nh4 15.Re1 (15.Nh4 Qh4 16.Bd6 Qg4+=) 15...Nf3-/+ 16.Qf3 Qg5 17.Bd6 f6 18.Na3 0-0-0?? (better is 18...Na5=) 19.Nc4+- Bc7 20.Reb1 a6 (20...Bb8 21.cd4 Be8 22.Bb8 Kb8 23.Be4 Rd4 24.Bc6+-) 21.cd4 Qg4 (21...Be8 22.Qc3 h4 23.Qb2+-) 22.Ra6 (better is 22.Qb3!? b5 23.Ra6 Nd4 24.Ra7+-) 22...ba6+/- 23.Qb3 Nb4 24.Qb4 Bb5 (24...Bc6 25.Ne3 Qf4 26.Bc7 Qd4+-) 25.Qc5 Rd7 26.Nb6 Kd8 27.Nd7 Bd6 28.Qd6 (28.Qd6 Qd4 29.Qd4+-) 1–0. Sapienza,J (2215) – Vargas Maliqueo,I (2195), Bent Larsen ITT, 2011. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Ne2 Nf6 5.0-0 (better 5.e5!? d5 6.Bb3-/+) 5...Ne4-+ 6.Bd3 (6.Bb2 d5 7.Bd3 Nc5-+) 6...Nc5 7.Bc4 d5 8.Bb5 Bd7 9.Bd7 Ncd7 10.d3 (10.Bb2 Qg5-+) 10...Qf6 11.c3 Bd6 12.d4 Nc6 13.Ng3 (13.cb4 Bb4 14.Ba3 Ba5-+) 13...0-0 (13...bc3 14.Nc3 Bg3 15.hg3 Qd4 16.Nb5 Qd1 17.Rd1-+) 14.h3 (14.Be3 Rac8-+) 14...bc3 15.Nc3 Qd4 16.Qd4 Nd4 17.Be3 (17.Rd1 Rac8 18.Nd5 ed5 19.Rd4 Be5-+) 17...Nc2 18.Rac1 (18.Nge2 Na1 19.Ra1 Rfc8-+) 18...Ne3 19.fe3 Bg3 20.Rf3 (20.e4 Nb6-+) 20...Bh4 21.Kh2 (21.e4 Ne5 22.Rff1 Rac8-+) 21...Rfc8 22.g3 (22.Ne2 Rc1 23.Nc1 Ne5-+) 22...Bg5 23.h4 (23.Rc2 Ne5 24.Rff2 Be3-+) 23...Ne5 24.Rff1 (24.Kg2 Bh6 25.Ne2 Rc1 26.Nc1 Rc8-+) 24...Be3 25.Rc2 d4 26.Re1 Nf3 (26...Nf3 27.Kh3 Ne1-+) 0-1. Tony _ R – marekt, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Qf3 Qc7 5.d3 b5! 6.Bb3 a5 7.Bf4 d6 8.Nh3? a4-+ 9.Qe2 ab3 10.cb3 Be7 11.0-0 Bf6 12.a3 Ba1 13.ab4 Nc6 14.Qg4 Nf6 15.Qg7 Rg8 16.Qf6 Bf6 17.g3 e5 18.Bh6 Bh3 19.Nc3 Nd4 20.Nd5 Qc2 21.Nf6 Kd8 22.Rc1 Nf3 23.Kh1 Qf2 24.Ng8 Qh2# 0–1. zeca (1645) – pcmvr (2840), net–chess.com, 2010.

    4.Nf3 Nc6 5.a3 Be7 (5...Nf6 6.e5 d5 7.Bb5+=) 6.Bb2 (6.ab4 Nf6 7.b5 Nb4=) 6...Nf6 7.e5 d5 8.Bb5 Nd7 9.ab4 Bb4 10.c3 Bc5 (10...Be7 11.0-0+=) 11.d4 Qb6 (11...Be7 12.0-0=) 12.Qe2= Be7 13.Bc1 (13.Ba3 a6 14.Be7 Ne7=) 13...Na5 (13...0-0 14.Ba3 Ba3 15.Na3+=) 14.Nbd2= a6 15.Ba4 (15.Bd3!?=) 15...Qc7+= 16.Qd3 b5 17.Bc2 Nc4 (17...Bb7-/+) 18.Nf1? (18.Nc4!? dc4 19.Qe4+=) 18...Bb7 (18...a5!? 19.N3d2 Nd2 20.Bd2-+) 19.Ng3-/+ Rc8 20.Ng5? (20.0-0 b4-/+) 20...b4 (20...Nce5 21.de5 Ne5 22.Qd4-+) 21.Qf3? (better is 21.Nh5!? Nde5 22.Ng7 Kd7 23.Qh3 Bg5 24.Bg5-/+) 21...Bg5 (21...Nce5 22.de5 Qe5 23.Qe3 Qe3 24.Be3 (24.fe3?? Bg5 25.Ne2 0-0-+) 24...Rc3 25.Kd2-+) 22.Bg5 bc3 (better is 22...Nde5 23.Qh5 h6-+) 23.Nh5+= (23.Qc3? Nce5 24.Qc7 Rc7-+) 23...Nde5?? (better is 23...Kf8+=) 24.Ng7+- Kd7 25.Qf6 Kc6? 26.de5 Nd2?? 27.Be3 d4 28.Ne6! fe6 29.Qe6 Kc5+/- 30.Bd4?? Kd4-+ 31.Ra4 Kc5 32.Qg4 Qe5 33.Kd1 Kb6 34.Re1 Qd5 35.Re6 Ka7 36.Rd4 Qg2 37.Qf4 Bf3 38.Qf3 Qf3 39.Re2 Rhe8 40.Rd7 Kb8 (40...Kb8 41.Kc1 Qh1 42.Bd1 c2 43.Rb7 Kb7 44.Rd2 cd1Q 45.Kb2 Qa1 46.Kb3 Rc3 47.Kb4 Qa3) 0–1. Rezny,F (1620) – Kreyssig,Bruno (1835), Brno CZE, 4th Open, 2013. (=1.e4 c5 2.b4 cb4-/+ 3.Bc4 e6)

    4.Nf3 Qc7 5.d3 Nc6 6.0-0 Ne5 7.Ng5 Nf6 8.Nd2 Be7 9.a3 Nfg4 10.Nh3 Nh2-+ 11.Kh2?? Nf3 12.Kh1 Qh2# 0–1. zeca (1645) – rogeliovargas (2190), net–chess.com, 2010.

    4.h4 Nc6 5.c3 Nf6 6.f3 d5 7.Bb5 de4 8.Bc6 bc6 9.Qb3 (9.cb4 Bb4 10.Qa4 Qc7-+) 9...Rb8 10.c4 Nd7 11.a4 (11.fe4 Nc5 12.Qg3 Nd3 13.Kd1-+) 11...Nc5 12.Qc2 (12.Qe3 Nd3 13.Kf1 Nc1 14.d4-+) 12...Nd3 13.Kf1 Qd4 14.Nh3 ef3 15.g3 (15.gf3 Nc1 16.Qc1 Qa1 17.Ke2-+) 15...e5 16.Bb2 (16.Rh2 Bh3 17.Rh3 Qf2) 16…Bh3 (16...Bh3 17.Rh3 Qf2) 0–1. rgp – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    4.Bb2 Nc6

    5.a3 ba3 6.Na3 d6 7.Nf3 Nf6 8.Bf6 Qf6 9.0-0 Be7 10.d4 0-0-/+ 11.Re1 e5 12.d5 Na5 13.Bf1 Bd8 14.h3 Bb6 15.Nb1 Bd7 16.Qd2 Qd8 17.Qb4 Qc7 18.Nbd2 Rac8 19.Ra2 Qc5 20.Qc5 Rc5 21.Rea1 Rfc8 22.Ne1 Kf8 23.c4 Nc4 24.Nc4 Rc4 25.Bc4 Rc4 26.Re2 Bd4 27.Rb1 b5 28.Nc2 Bc5-+ 29.Ra1 b4 30.Ne1 Bd4 31.Rb1 a5 32.Nc2 Bc5 33.Ne1 Bb5 34.Nd3 Bb6 35.Nb2 Rd4 36.Rc2 Bc5 37.Ra1 b3 38.Rcc1? a4 0–1. Lenart,Endre (2290) – Seres,Lajos (2280), Zalakaros op, 1993.

    5.d4 d5-+ 6.ed5 ed5 7.Qe2 Be7 8.Bb3 Nf6 9.Nd2 0-0 10.Ngf3 Re8 11.0-0 Bd6 12.Qd3 Bg4 13.Rfe1 Qc7 14.c4 bc3! 15.Bc3 Bh5 16.Rac1 Bg6 17.Qf1 Qb6 18.Re8 Re8 19.Re1 Rc8 20.Rc1 Bf4 21.Bc2? Bc2 22.Rc2 Nb4 23.Rc1 Na2 24.Rb1 Qc7 25.Bb4 Nb4 26.Rb4 Bd2 27.Nd2 Qc3 (27...Qc3 28.Rb7 Qd2 29.Ra7 Qd4-+) 0–1. Helbing,Ivacir (1935) – Nogler,Schimun (2445), CiF, 2010.

    5.Ne2 d5 6.ed5 ed5 7.Bd3 (7.Bb5 Nf6-/+) 7...Nf6 8.0-0 Bd6 9.Ng3 0-0 10.Nf5 (10.a3 Bg4 11.Be2 Be2 12.Qe2 ba3 13.Na3 Bg3 14.hg3 d4-+) 10...Ne5-+ 11.Nd6 Nd3 12.cd3 Qd6 13.h3 ½–½. Oprea,Erik (2125) – Huba,Martin (2160), SVK–chT1W, 2001. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Bb3 b6

    5.d4 d5 6.e5 Ba6 7.Ne2 Nc6-/+ 8.0-0 Qh4 9.Ba4 Nge7 10.f4 b5 11.Bb3 Nf5 12.Rf3 h5 13.Be3 Rc8 14.Bf2 Qg4 15.Nd2 h4 16.Rc1 h3 17.g3 Na5 18.Rd3 Nc4 19.Nc3 Qg6 20.Ne2 Nb2 21.Qf1 Nd3 22.cd3 Be7 23.Rc8 Bc8 24.Qc1 Kd7 25.Bd1 Bb7 26.Nb3 Rc8 27.Nc5 Bc5 28.dc5 d4! 29.a4 Bc6 30.Qb2? Qg4 31.ab5 Qf3 32.bc6 Rc6 33.Kf1 Ng3 34.Ke1= Ne2 35.Be2 Qf4 36.Bd4 Qh2 37.Qb4 Qg3 38.Kd1 Kc8 39.Qa4 Qg2 40.Qa7 Rc7 41.Qa4 Kb8 42.Qe8= Kb7 43.Be3 h2 44.Qb5 Kc8 45.Qe8 Kb7 46.Qb5 Ka8 47.Qe8 Kb7 48.Qb5 ½–½. Vaclavik,A (1930) – Jiruse,J (2125), 2nd Highlands Open A, 2005.

    5.Nf3 Bb7 6.d3 Na6 7.0-0 Nf6 8.a3 ba3 9.Na3 Nc5 10.Bc4 d6 11.e5 Bf3 12.Qf3 de5 13.Nb5 e4 14.de4 Be7 (14...Nfe4 15.Rd1 Qb8 16.Bf4+-; 14...Nce4? 15.Bd3 Bc5 16.Be4 Ne4 17.Qe4+-) 15.Rd1 Nfd7 (15...Qb8 16.e5 Nd5 17.Qg3+/-) 16.Bb2 (better is 16.Na7!? Bh4 17.e5+/-) 16...0-0 17.Na7 Qc7 18.Nb5 Qb7 19.Ra8 Ra8 20.Qg3 Nf6 21.Bf6 Bf6 22.Nd6 Qc7 23.e5 Be7 24.Qf3 Rf8 ½–½. Konstacky,Matej (2005) – Roubalik,Jakub (1865), CZE–ch U14 Czechia, 2004. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.Nf3 Bb7 6.e5 d6 -/+.

    4.Bb3 Nc6

    5.Nf3 d5 6.e5 Nge7 7.d4 Ng6 8.a3 ba3 9.Na3 Be7 10.Nb5 a6 11.0-0 Rb8 12.Nc3 0-0 13.Ne2 Bd7 14.Ng3 f6 15.Re1 Qc7 16.Bb2 Rbc8 17.c4 dc4 18.Bc4 Rfe8 (18...Bb4!? 19.d5 Nce5 20.Ne5 Ne5 (20...Be1?! 21.Ng6 Bf2 22.Kf2 Qc4 23.Ne7 Kh8 24.Nc8 Rc8 25.de6 Qc2 26.Ne2 Be6 27.Qd4=) 21.de6 A) 21...Qc4?! 22.ed7 Be1 23.dc8Q (23.dc8B? Bf2 24.Kh1 Rc8-+; 23.dc8R?! Bf2 24.Kf2 Rc8 25.Be5 fe5=; 23.dc8N? Bf2 24.Kh1 Rc8-+) 23...Bf2 24.Kf2 Rc8 25.Be5 fe5 26.Ne2=; B) 21...Be1?! 22.ed7 Nc4 23.Qd5 Kh8 24.dc8R Rc8 25.Re1 Nb2 26.Qe4-+; C) 21...Nc4 22.ed7 Be1 23.Qd5 Kh8 24.dc8R Rc8 25.Re1 Nb2-+) 19.Rc1 Qd8 20.d5 Na7 (20...Nce5 21.Be5 fe5 22.de6 Bc6 23.Qd8 A) 23...Bd8? 24.e7 Kh8 25.ed8N Red8 26.Be6+- (26.Ne5?! Ne5 27.Re5 Bd5=); B) 23...Rcd8?! 24.Ne5 Ne5 25.Re5+=; C) 23...Red8-+) 21.de6 Bb5 22.ef6 gf6 23.Ba2 Nf4 24.Rc8 Qc8? (better is 24...Nc8 25.Qa1 Rf8+/-) 25.Nf5+- Qc7 26.Qd4 (26.Ne7 Qe7 27.Nh4 Ne2 28.Re2 Kf8+-) 26...Nd3 (26...Nc8 27.Ne7 Qe7 28.Qf4 Rf8+-) 27.Qg4 (27.Qg4 Kh8 28.Qg7) 1–0. Pravec,Vojtech – Machalik,Marek, CZE–ch U14 Czechia, 2004. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.Nf3 d6 6.a3 Nf6 7.Qe2 Qb6 8.ab4 Nb4 9.Bb2?? (better is 9.d3+=) 9...Nc2!-+ 10.Bc2 Qb2 11.Ra5 Qc2 12.0-0 Qe4 13.Qb5 Bd7 14.Qb2 Bc6 15.Nc3 Qg6 16.Rg5 Qh6 17.Rg3 Be7 18.Rh3 Nh5 19.Nd4 (19.Re1 0-0-+) 19...Bg2! 20.Qb5 (20.Kg2 Nf4 (20...Qg6)) 20...Kf8 21.Rh4 (21.Kg2 Nf4 22.Kf3 Qh3 23.Kf4 d5-+) 21...Qg6 (better is 21...Bf1 22.Qb7 Re8 23.Rh5 Qh5 24.Kf1-+) 22.Nde2 Bc6 (22...Bc6 23.Ng3 Ng3 24.fg3 Bb5 25.Nb5 Bh4 26.Nd6 Bf6-+) 0–1. Lujan,Maria Carolina – Nejanky,Maisa, Pan American–ch U14 Girls, 1998. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.Nf3 Qf6 6.d4 Qg6 7.0-0 Qe4 8.Re1 Qg6 9.c4 f6 10.d5 Nd8 11.de6 Ne6 12.Ba4 Qg4 13.Qd5 Kd8? (13...Ke7!?+/-) 14.h3 Ne7 15.hg4 Nd5 16.cd5 Nc7?? (16...Nc5 17.Bc2+-) 17.Bb3 (17.Ng5 Nd5 18.Nf7 Kc7 19.Nh8 Bc5+-) 17...a5?? (17...Be7 18.Bb2+-) 18.Bf4 (better is 18.Ng5!? fg5 19.Bg5 Be7 20.Be7 Ke8 21.Bb4 Kf7 22.d6 Ne6+-) 18...a4? (18...d6 19.Nd4+/-) 19.Bc4 (better is 19.Ng5 Ne6 20.Nf7 (20.Ne6?! de6 21.Bc4 e5+=; 20.de6?! fg5 21.Bg5 Be7 22.Be7 Ke7 23.ed7 Kd7+-) 20...Ke8 21.de6 (21.Nh8?! ab3 22.de6 de6+-) 21...ab3 22.e7 (22.Nh8?! de6 23.Nd2 ba2+-) 22...Be7 23.Nh8+-) 19...Ra5?? (19...d6 20.Nd4+/-) 20.Bc7 (better is 20.Ng5 d6 21.Nf7 Kd7 22.Nh8+-) 20...Kc7+/- 21.Nbd2 Bc5 22.Rac1 Kd8 23.g5 f5 24.Ne5 Rf8 25.d6! Bd6 26.Nf7 Kc7? 27.Bb5 Bc5 28.Rc5 Kb6 29.Rf5 d5 30.Rd5 Rb5 31.Nc4 Ka6 32.Rb5 Kb5 33.Ncd6 Ka6 34.Re4 Ka5 35.Nc4 Kb5 36.Nfd6 Kc5 37.Re5 Kd4 38.Rb5 Kc3? 39.Ne3 b3 40.ab3 a3 41.Rc5 Kb3 42.Nc8 a2 43.Nc2 b5 44.Na7 b4 45.Nc6 Rf4? 46.g3 Rg4 47.Kg2 Kb2 48.Ra5 b3+/- 49.N2d4 Kc3? 50.Ra4 Rd4+= 51.Nd4 b2 52.Ne2 Kb3 53.Ra2 b1Q 54.Rd2 Qe4 55.f3 Qe3 56.Nd4?? Kc3-/+ 57.f4?? Qe4 58.Nf3= ½–½. Lujan,Maria Carolina – Schuster,Carlos, Najdorf Festival op, 1998. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.Nf3 Nf6 6.Qe2 d5 7.e5 Ne4 8.d4 Be7 9.0-0 0-0 10.a3 a5 11.a4 b6 12.Rd1 Ba6 13.Qe3 Rc8 14.Nbd2 Ng5 15.Ng5 Bg5 16.f4 Be7 17.Nf3 Re8 18.Kh1 g6 19.Rg1 Bf8 20.g4 h6 21.h4 Bg7 22.g5 h5 23.Bd2 Ne7 24.Qf2 Nf5 25.Rgc1 Qd7 26.Kh2 Rc7 27.Kg1 Rec8 28.Kh2 Rc6 29.Qe1 Bf8 30.Ra2 Bc4 31.Raa1 R8c7 32.Kg1 Kg7 33.Kg2 Qc8 34.Kg1 Qa6 35.Rcb1?! (35.Bc4 Qc4 36.Qf2-+) 35...Be2 36.Qf2 Bf3 37.Qf3 Nd4 (37...Nd4 38.Qf1 Qf1 39.Kf1 Nc2 40.Bc2 Rc2-+) 0–1. Pravec,Vojtech – Pektor,Vitezslav (1820), Ostrava SME op–B, 2005. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    4.Bb3 d6

    5.a3 Nf6 6.Qe2 Nc6 7.Nf3 d5 8.e5 Nd7 9.ab4 Bb4 10.c3 Be7 11.d4 Na5 12.Bc2 Nc4 13.h4 h6 14.g4 g6 15.Na3?? (15.h5 g5+=) 15...Na3 (better is 15...Qa5 16.Qd3 b5-+) 16.Ba3+= Ba3 17.Ra3 Nb6 18.Nd2 Qc7 19.f4 a6 (19...h5 20.g5+=) 20.f5 (better is 20.h5!? gh5 21.Rh5+=) 20...ef5-/+ 21.h5 Nc4 22.Nc4 dc4 23.hg6 fg6 24.d5? Qc5-+ 25.Ra1 Qd5 26.Rf1 0-0 27.Rd1 Qf7 28.gf5 gf5 29.Rg1? Kh7-+ 30.Rd6 Be6 31.Rd4 Rg8 32.Rh1 Rg6 33.Rdh4 Rag8 34.Qh2 Qg7 35.Kf1 Rf8 36.Rh5 Bd5 37.Rf5 Bh1 38.Qh1 Kh8 39.Rf8 Qf8 40.Ke1 Qf4 41.Bg6 Qc1 (41...Qc1 42.Ke2 Qh1-+) 0–1. Vaclavik,Ales (1975) – Dobes,Ludek (2085), CZE–chT2f, 2007. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.d4 Nf6 6.Qe2 Be7 7.Nf3 0-0 8.a3 d5 9.e5 Ne4 10.0-0 Bd7 11.ab4 Bb4 12.c4 Bc6 13.Bc2 Nd7 (13...a5 14.Ba3 Na6 15.Qe3+=) 14.Ba3 Ba3 15.Ra3 Ng5 (15...Nb6 16.cd5 Qd5 17.Rc1+=) 16.Ng5= Qg5 17.f4 Qd8 18.Rff3 (better is 18.c5!?+=) 18...dc4-/+ 19.Rh3 g6 20.Rag3 Re8 21.Rh7? (better is 21.Qc4 Nb6 22.Qc3-/+) 21...Kh7?? (better is 21...Nf8 22.Rhh3 Qd4 23.Re3 Qf4-+) 22.Qh5 Kg7 23.Rg6! Kf8 (23...fg6 24.Qg6 Mate attack) 24.Qh6 Ke7 25.Re6!! (25.Re6 fe6 26.Qg7) 1–0. Lujan,Maria Carolina (2100) – Malajovich,Sandra (2120), ARG–ch (Women), 2000. (=1.e4 c5 2.b4 cb4 3.Bc4)

    5.d4 g6 6.Nf3 Bg7 7.a3 ba3 8.Na3 Bd7 9.Nc4 Bb5 10.Ne3 Nf6 11.c4 Bd7 12.Qc2 0-0 13.0-0 Bc6 14.Nd2 d5 (better is 14...Qb6!? 15.d5 Nd5 16.cd5 Ba1+=) 15.e5 dc4 16.Ndc4 (worse is 16.Bc4 Nh5+= (16...Qd4 17.Bb2 Qh4 18.ef6+/-)) 16...Nd5 (16...Qd4? 17.Bb2 Be4 18.Bd4 Bc2 19.ef6 Bb3 20.fg7+-) 17.Ba3 Ne3 18.fe3 (worse is 18.Ne3 Qd4 19.Bf8 Be5=) 18...Re8 19.Nd6 Rf8 20.Nf7! Rf7 21.Be6 Bd5 (21...Kh8 22.Rf7 a5 23.Be7+-) 22.Bf7 Bf7 23.Rf7 Kf7 (23...b6+-) 24.Qc4 Ke8 (24...Qd5 25.Qd5 Ke8 26.Qe6 Kd8 27.Qe7 Kc8 28.Bd6 Be5 29.Qe8) 25.Qe6 (25.Qe6 Qe7 26.Qe7) 1–0. Sikula,Frantisek – Tretina,Zdenek (1925), Karvina op, 2005. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.Nf3 Nf6 6.d3 Nc6 7.a3 Be7 8.0-0 0-0 9.ab4 Nb4 10.c3 Na6 11.Na3 b6 12.Nd4 Bb7 13.f4 Nc5 14.Bc2 a6 15.Kh1 Qc7 16.Bd2 Rfe8 17.Qe2 Bf8 18.e5 de5 19.fe5 Nfd7 20.Nf3 f5 21.ef6 Nf6 (worse is 21...gf6 22.d4+/-) 22.Ne5 b5 23.Ng4 Be7 24.Nf6 Bf6 (worse is 24...gf6 25.d4+/-) 25.d4 Nd7 26.Rf2 Kh8 27.Raf1 Bd5 (better is 27...e5-/+) 28.Qh5+= Nf8 29.Bg5 Qe7?? (better is 29...Kg8 30.Bf6 gf6 31.Rf6 Re7+=) 30.Rf6+- (30.Rf6 gf6 31.Bf6 Qf6 32.Rf6+-; 30.Bf6?! gf6 31.Rf6 Qg7+=) 1–0. Villarreal,Hector (2245) – Cereijo,Nicolas, Najdorf Festival op, 1998. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    4.d4 d5

    5.Bd3 de4 6.Be4 Nf6 7.Bf3 Nc6 8.Ne2 e5 9.Bg5 Be7 10.Nd2? (10.Bc6 bc6 11.0-0 ed4 12.Nd4 Qd5 13.Bf6 Bf6-+ (worse is 13...gf6 14.c4 Qc4 15.Re1-/+)) 10...Nd4 (better is 10...e4!? 11.Be4 Ne4 12.Ne4 Bg5 13.d5-+) 11.Nd4 Qd4 12.0-0 0-0 13.Qe2 h6 14.Be3 Qc3 15.Ne4 Ne4 16.Be4 Bc5 17.Bd2 Qd4 18.Rad1 f5 19.Bf3 e4 20.Bh5 Qe5 21.Qc4? (better is 21.Bb4 Bb4 22.Qc4 Qe6 23.Qb4 Qa2 24.Bg6-/+) 21...Be6 22.Bf4 Bc4 (22...Qf4?! 23.Qe6 Kh8 24.Rd5-+) 23.Be5 Rad8 (23...Bf1?! 24.Rd7 Rf6 25.Bf6 gf6 26.Kf1+=) 24.Rfe1 Ba2 25.Bg6 a5 26.h4 a4 0–1. Parker,Neil – Hemmer,Franz, IECG, 1994. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.ed5 ed5 6.Bd3 -/+.

    4.d4 Ne7

    5.e5 Ng6 6.Nf3 d5 7.Bd3 Nc6 8.a3 Nh4 9.0-0 Nf3-/+ 10.Qf3 Nd4 11.Qg4 Nc6 12.Re1 Bd7 13.Nd2 f5 14.ef6 Qf6 15.Nb3 Be7 16.ab4 Nb4 17.Ba3 Nd3 18.Be7?? Qf2 19.Kh1 0–1. Roisman,Manuel – Russo,Oscar, Mar del Plata op, 1972.

    5.Nf3+= d5 6.ed5 Nd5 7.Ne5 f6 (7...Nc6!?-/+) 8.Qh5= Ke7 9.Ng6 hg6 10.Qh8 Nb6 11.Bd3 Qd4 12.Be3 Qa1 13.Bc5 Kd7 14.Qf8 Qe5 (14...Qb1?? 15.Ke2 Nc4 16.Rb1+-) 15.Kd1 Nc6 16.Qg7 Kd8 17.Qf8 (better is 17.Bb6!? ab6 18.Qg8 Kc7 19.Qg6 Ra2 20.Re1+=) 17...Kc7+= 18.Bb6 Kb6 19.Re1 Qh5 20.f3 Qh2 21.Nd2 Ne5?? (better is 21...f5!?-/+) 22.Qb4 (22.Qd6 Nc6 23.Nc4 Kb5 24.Nb2 Kb6 25.Na4 Ka5 26.Qc5 Ka4 27.Bb5 Ka3 28.Qe3 Ka2 29.Qb3 Ka1 30.Ke2) 22...Kc7+= 23.Qc5 (23.Qe7 Nd7+=) 23...Nc6= 24.Ne4 (24.Qf8 f5=) 24...Qe5 (24...f5 25.Nc3 a6-/+ (25...Qg2? 26.Nb5 Kd7 27.Qd6 Ke8 28.Nc7 Kf7 29.Na8+-)) 25.Qe5+= Ne5 26.Be2 1–0. Moran Canseco – Esteban Prado, Valladolid CC semirap op, 1997. (=1.e4 c5 2.b4 cb4+= 3.Bc4 e6)

    4.Qe2 Nc6

    5.Bb2 Nge7 6.a3 d5 7.ed5 Nd5 8.a4 Nf6 9.Nf3 Bc5 10.0-0 0-0 11.Ng5 Nd4 12.Qd3 e5 13.Qg3 Bd6 (worse is 13...Nc2 14.Nf7 Rf7 15.Bf7 Kf8 A) 16.Qe5? Bd6 (16...Kf7?! 17.Qc5 b3 18.Qg5=) 17.Qe2 Na1-+ (17...Kf7 18.Qc4 Be6 19.Qc2+=); B) 16.Rc1+=) 14.c3 (better is 14.Bd4!? ed4 15.Qb3-+) 14...e4-+ 15.Qe3? (15.Qh4 Nf5 16.Qh3-+) 15...Bh2! 16.Kh1 (16.Kh2 Ng4 Double attack) 16...Nc2 17.Qc5 Bd6 (worse is 17...Na1 18.Kh2 b6 19.Nf7 Rf7 20.Qb4-+) 18.Qb5 Na1 19.Ba1 a6 20.Bf7 Kh8 21.Qc4 Nh5! 22.Nh3 Bh3 (22...Bh3 23.gh3 Qf6-+) 0–1. Andre,Karl – Haas,Bernd, GER theme, 1994. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    5.Nf3 Nf6 6.0-0 Ne4! 7.Qe4 d5 8.Qe2 dc4 9.Qc4 Be7 10.Bb2 0-0 11.a3 Bf6 12.Bf6 Qf6 13.d4 e5 14.de5 Ne5 15.Ne5 Qe5 16.Qb4 Qa1 17.Nc3 Qf1 18.Kf1 b6 19.h4 Be6 20.Nb5 Rfc8 21.Nd4 Bc4 22.Kg1 Rc5 23.Qd2 Re8 24.f4 h6 25.Kh2 Be6 0–1. Brih,S (2350) – Romanov,E (2590), 1st Open, Marrakesh MAR, 2010. (=1.e4 c5 2.b4 cb4 3.Bc4)

    4.Nf3 d5

    5.Bb5 Bd7 6.Bd7 Qd7 (worse is 6...Kd7 7.ed5 ed5 8.Bb2=) 7.e5 Bc5 8.0-0 Ne7 9.d4 Bb6 10.a3 ba3 11.Ba3 0-0 12.Qd3 h6 13.Nbd2 Nbc6 14.c3 Rfc8 15.Nh4 Na5 16.Rae1 Nc4 17.Bc1 a5 18.Qg3 Kh8 19.f4 Nd2 20.Bd2 Nf5 (20...a4 21.f5 ef5 22.Qd3-/+) 21.Qh3 (21.Nf5 ef5 22.Ra1 Bd8-/+) 21...Nh4-/+ 22.Qh4 Bd8 23.Qh5 g6?? (better is 23...Kg8-/+) 24.Qh6+- Kg8 25.Rf3 f6 (25...f5 26.Qg6 Kf8 27.Rg3+-) 26.Qg6 (better is 26.Rg3 Qg7 27.Rg6 Rc7+-) 26...Kf8 27.Rg3 Qf7 28.Qh6 Ke8 29.Rg7 Bb6 (29...Qg7 30.Qg7 f5+-) 30.Rf7 Kf7 31.Qf6 (31.Qf6 Kg8 32.Re3 Bd4 33.cd4 Re8 34.Rg3 Kh7 35.Qg7) 1–0. Galleto,Ricardo (2010) – Colque,Jonathan, Buenos Aires ARG, 3rd Duchamp Open (j), 2013. (=1.e4 c5 2.b4 cb4+= 3.Bc4 e6)

    5.ed5 ed5 6.Bb3 Qe7 7.Kf1 Nf6 8.a3 Nc6 9.c3 bc3 10.Nc3 Be6 11.d4 g6 12.Bg5 Bg7 13.Qd2 (13.Nd5!? Bd5 14.Bd5=) 13...0-0-0 14.Rc1 Kb8 (14...Qa3 15.Ba4 Ne4 16.Ne4 de4 17.Bc6 bc6 18.Rc6 Kb7 19.Rc3 Qa6 20.Kg1 ef3 21.Bd8 Rd8 22.gf3 Rd4 23.Qc1-+) 15.Bf4 Ka8 16.Nb5 Rc8 17.Ba4 Ne4 18.Qb2 a6 19.Nc7 (better is 19.Nc3!?-/+) 19...Rc7-+ 20.Qb6? (20.Bc7 Qc7 21.Bc6 bc6-+) 20...Rhc8 (20...Qa3!? 21.Qc7 Qa4 22.Rb1-+) 21.Bc7 Qc7 (21...Rc7 22.Rc6 bc6 23.Qa6 Ra7 24.Qb6-+) 22.Qc7 Rc7 23.Bc6 Rc6 24.Rc6 bc6 25.Ke2 0–1. Garvin Mejia,Ricardo Luis – Gongora,Anuar, Santa Marta–ch 9th, 1999. (=1.e4 c5 2.b4 cb4 3.Bc4 e6)

    4.Nf3 Nf6

    5.d3 d5-/+ 6.ed5 ed5 7.Bb5 Nc6 8.Ne5 Qb6 9.Qe2 Be7 10.d4 0-0-+ 11.c3 bc3 12.Nf3? c2 13.Nc3 Bb4 14.Qc2 Qb5 15.Ng5 Nd4 (15...Nd4 16.Kd1 Bf5 17.Qf5 Bc3-+) 0–1. paolog (2105) – pierred (2745), net–chess.com, 2008.

    5.e5 d5 6.Be2 Nfd7 7.d4 Nc6 8.0-0 f6 9.ef6 Nf6 10.a3 Bd7 11.Re1 Qa5 12.Bb2 Be7 (12...Qc7 13.Nbd2=+) 13.ab4= Qb4 14.Ba3 Qa5 15.Bd3 0-0 16.Ne5 Qd8 (16...Nd4? A) 17.Be7?! Qa1 18.Bf6 Bb5= (worse 18...gf6 19.Nd7 Rf7 20.Nc5+/-; worse 18...Rf6 19.Nd7 Rh6 20.Ne5=); B) 17.Bb2 Nf3 18.Nf3+-) 17.Nc6 bc6 18.Be7 Qe7 19.c4 Qb4 20.Nd2 c5 21.Rb1 Qc3 22.Nf3 cd4 23.Rc1 Qb2 24.Rb1 Qa3 25.Nd4 Exerts pressure on the backward pawn 25...Qd6 26.Nf3 a5 27.Qe2 a4 28.Ne5 a3 29.Rbc1 Ra5 30.g3 (30.Ra1 Rd8=+) 30...Rc8 31.Qa2 Be8 32.Nf3 Kh8 33.Rc2 Bh5 34.Ne5 Raa8 35.Bf1 Qb4 36.Rb1 Qc5 37.Bg2 Ra4 38.Rbc1 d4 (38...Qd4 39.Re1-/+) 39.Re1 Bg6 40.Ng6 hg6 41.Qb3 (41.Re6? Rc4 42.Rc4 Qc4 43.Qc4 Rc4-+) 41…Ra5 0-1. deynonicus (2315) - marekt (2110), gameknot.com, 2014.

    3.Nf3 Nc6

    4.a3 Qa5 5.Bb2 =.

    4.a3 b3 5.cb3+= Nf6 6.e5 Nd5 7.Bb2 (7.Nc3 Nc3 8.dc3 d5+=) 7...e6 (7...Nf4 8.d4 d6 9.Qd2+=) 8.Nc3+= Nc3 9.Bc3 d6 10.ed6 Qd6 11.Bc4 (11.b4 a6=) 11...Be7= 12.0-0 0-0 13.b4 a6 14.d4 ½-½. Travadon,Loic (2415) - Msellek,I (2330), 2nd Barreau de Paris GM, 2021. (=1.e4 B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6 1...c5 2.Nf3 Nc6 3.b4 cb4 4.a3)

    4.a3 d5 5.ed5 Nb8? (better is 5...Qd5 6.ab4 Nb4+=) 6.ab4+- Nf6 7.c4 e6 8.de6 Be6 9.b5 Qc7 10.Qe2 Bb4 11.Ba3 (better is 11.Nd4!?+/-) 11...Ba3= 12.Ra3 0-0 13.d4 Re8 14.Kd1 Nbd7 15.Qc2 Red8 (15...Bg4 16.Nbd2+=) 16.Nbd2 a6 17.ba6+= Ra6 18.Ra6 ba6 19.h3 Nb6 20.c5 Nbd5 21.Ke1 Qa5 22.Qb2 Nb4 23.Bc4 Bc4 24.Nc4 Qb5 25.Qb3 Re8 26.Nfe5+= Nfd5? 27.Qf3?? f6+= 28.Nd6 Re5 29.de5 Qc5 30.Ne4?? Qc1 31.Qd1 Nd3 32.Ke2 N3f4 33.Ke1 Ng2 (33...Ng2 34.Kf1 Nge3 35.fe3 Qd1 36.Kf2 Qh1-+) 0–1. Fischer,Siegfried – Gamperl Meinen,Dietmar, ICCF World Cup8–9 prel–112, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4)

    4.Bb2 e6 5.Be2 Nf6 6.e5 Nd5 7.0-0 Be7 8.Re1 0-0 9.a3 f6 10.d4 d6 11.ab4 de5 12.b5 Nd4 13.Nd4 ed4 14.Bd4 e5 (14...a6 15.ba6 ba6 16.Bd3+=) 15.Ba7 Nf4 16.Bc4 Be6 17.Be6 Ne6 18.Qg4 (18.Qf3 Qd7 19.Nc3 Bb4=) 18...Qc8+= 19.Nc3 Nf4 (worse is 19...Qc3 20.Qe6 Rf7 21.Bd4+/-) 20.Qf3 Bb4 21.Nd5 Nd5 22.Qd5 Kh8 23.Rec1 ½–½. de Coverly,RD – Hyde,K, Bucks lge, 1976. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 e6)

    4.c3 d5 5.ed5 Qd5 6.Be2 g6 7.Bb2 Nf6 8.0-0 Bg7 9.Re1 0-0 10.cb4 a6 11.a3 Bf5 12.Nc3 Qd8 13.Bc4 b5 14.Ba2 Qb6 15.d4 Rad8 16.Qb3 e6 17.Ne2 Be4 18.Ne5 Bd5 19.Qh3 Ba2 20.Ra2 Ne5 21.de5 Ne4 22.Qh4 Qb7 23.Raa1 Qa8 24.Rad1 Nd2 25.Nd4 Nc4 26.Bc1 Ne5 27.Be3 Rc8 28.Bh6 Nc4 29.Rd3 Rcd8 30.Bg7 Kg7 31.Rh3 h5 32.Rf3 Qd5 33.Qf6 Kg8 34.Rd3 Qb7 35.Ne6 Black resigned 1–0. Danno12 – banker, 2006. (=1.e4 c5 2.b4 cb4 3.c3 Nc6 4.Nf3)

    4.c4 bc3 5.Nc3 e5 6.Bb5 Bd6 7.Bb2 Nf6 8.0-0 0-0 9.Rc1 a6 10.Qa4 Rb8 11.Be2 b5 12.Qc2 Bb7 13.d3 Nd4 14.Qd1 Qe7 15.h3 Bc5 16.Nd4 Bd4 17.Qb3 1–0. Kapfenstein,Armin (1640) – Vetterlein,David, DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+=)

    4.Bc4 d6 5.Bb2 Bg4?? (better is 5...Nf6 6.e5 de5 7.Ne5 e6+=) 6.Bf7!+/- Kf7 7.Ng5 Ke8 8.Qg4 Nf6 9.Qe6 Qd7?? (better is 9...Qb6+/-) 10.Qf7+- Kd8 11.Qb3 (better is 11.Ne6 Kc8 12.Nf8+-) 11...Kc7+/- 12.Nf7 Rg8 13.Bf6 gf6 14.Ne5 Ne5 15.Qg8+/- h6 16.Qb3 Qg4 17.0-0 Qe4 18.a3 ba3 19.Na3 b6 20.Nb5 Kb8 21.Qg8 Nd7 22.Rfe1 Qc2 23.Rac1 Qa4 24.Nc7 e5 25.Qf7 a5 26.Qe8 (26.Qe8 Kb7 27.Qa8) 1–0. Sikula,Frantisek (1785) – Urbanek,Petr, CZE–ch U14 Czechia, 2004. (=1.e4 c5 2.b4 cb4+= 3.Bc4 Nc6 4.Nf3 d6)

    4.Bc4 e6 5.Bb3 d5 6.e5 Nge7-/+ 7.d4 Nf5 8.g4 Nh4 9.Ng5? Be7 10.f4 0-0 11.0-0 Bg5 12.fg5 Qb6 13.c3 bc3 14.Ba3? Nd4 15.Kh1 Nb3 16.ab3 d4 17.Qe2 Bd7 18.Bf8 Rf8 19.Rf2 d3 20.Qf1 Bc6 (20...Bc6 21.Kg1 Nf3 22.Kh1 c2-+) 0–1. Vaclavik,A (1955) – Hrtanek,J (2180), 17th Pobeskydi Radegast Cup, Frydek Mistek, 2006.

    4.Bc4 e6 5.d4 Nf6 6.d5 Na5-/+ 7.Bb3 Ne4-+ 8.0-0 Bc5 9.Qe2 Nb3 10.ab3 ed5 11.Ng5 Qe7 12.Ne4 Qe4 13.Qb5 Be7 14.Nd2 Qc2 15.Qd5 0-0 16.Nf3 d6 17.Bd2 Qc5 18.Qe4 f5?? 19.Qe7+- Rf7 20.Qh4 Rf6 21.Bb4 Qb5 22.Bc3 Rh6 23.Qd8 Kf7 24.Ng5 Kg6 25.Qd6 Kg5 26.Bd2 Kh5 27.Bh6 gh6 28.Qg3 f4 29.Qf4 Bf5 30.Ra4 Re8 31.g4 (31.g4 Kg6 32.gf5 Kf7 33.Rc1 Qb3 34.Ra7 Rg8 35.Kh1 Qd5 36.f3+-) 1–0. mberlin (2190) – rthurc (2250), net–chess.com, 2009.

    4.Bc4 Nf6 5.d3 e6 6.e5 d5 7.Bb5 Nd7 8.0-0 Qb6 9.Ba4 Qc7 10.d4 Nb6 11.Bb3 Be7 12.a3 a5 13.a4 Bd7 14.Qd3 h6 15.Be3 0-0 16.Nbd2 Rfc8 17.h3 Na7 18.Bf4 Nc4 19.Bc4 dc4 20.Qe3 Bc6 21.Ne4 Be4 22.Qe4 Qc6 23.Qc6 Nc6 24.Rfe1 Rd8 25.Be3 Rd5 26.g4 f6 27.ef6 Bf6 28.Rac1 b5 (worse is 28...Bd4 29.Bd4 Nd4 30.Nd4 Rd4 31.Re6-+) 0–1. pierred (2785) – pcmvr (2870), net–chess.com, 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bc4)

    4.d4 a6 5.d5 Nb8 6.Bb2 e6 7.c4 Bc5?? (7...bc3 8.Nc3 Bc5 9.Rc1=) 8.Be2 (better is 8.Bg7 Nf6 9.Bh8 Ne4 10.Bd4+-) 8...f6 9.0-0 Qb6 10.Nbd2 Ne7 11.Nb3 ed5 12.Nc5 Qc5 13.cd5 d6 14.Rc1 Qa7 15.Rc7 Qb6 16.Qc2 Nd7 17.Rc1 (17.Rc4 Qa5 18.Qd2 A) 18...Qa2?? 19.Ra1 (19.Rb4?! Qa5+=; 19.Qb4?! Nc5+=) 19...Qa1 20.Ba1+-; B) 18...f5+/-) 17...Kd8 (better is 17...Nc5!? 18.Rc5 Qc5 19.Qc5 dc5 20.Rc5 Bd7+=) 18.Bd4 Qa5 19.Be3 Ke8 (19...Nc5 20.Rc5 dc5 21.Bc5+=) 20.Rc4 Nc5 (better is 20...f5!?+/-) 21.Bc5+- dc5 22.Rc5 Qd8 23.d6! Nc6 (23...Qd6 24.Qd2) 24.e5 Bd7? (better is 24...Kf8+-) 25.Qe4 f5 26.Qd5 b6 (26...b3+-) 27.Rc6 Bc6 (27...b3 28.e6 b2 29.Rd1+-) 28.Qe6 Kf8 29.Qf5 Ke8 30.Qe6 Kf8 31.Rc6 Rb8 32.Rc7 (32.Bc4 Rb7 33.Rc8 Rd7 34.Qf7 Rf7 35.Rd8) 32...Qe8 (32...Qd7 33.Qd7 b3 34.Qf7) 33.Qf5 Kg8 34.Bc4 (34.Bc4 Qe6 35.Be6) 1–0. Richardson,David (1795) – Aitken,Nigel, BCCA/TT/PG/2011 (ENG), 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4)

    4.g3 d5-/+ 5.ed5 Qd5 6.d4 Bg4 7.Bg2 0-0-0 8.a3 e5 9.ab4 e4 10.Ra5 Na5 11.ba5 ef3 12.Nc3 Qe6 13.Be3 fg2 14.Rg1 Bd1 15.Kd1 Qh3 16.Nb5 Qh5 17.g4 Qb5 18.Rg2 Qf1 19.Kd2 Nf6 20.Rg3 Ne4 0–1. odelia – pierred (2785), net–chess.com, 2010.

    4.a3 ba3

    5.Nc3 e6 =.

    5.Bc4 g6 6.Ra3 Bg7 7.d4 Nf6 8.e5 Ne4 9.0-0 (9.Bd5!? f5 10.Nbd2 Nd2 11.Bd2= (worse is 11.Kd2 d6-/+)) 9...d5+= 10.Ba2 0-0 11.Re1 e6 (11...a5 12.c3+=) 12.c4 Kh8 (12...Nb4 13.Bb3=) 13.Nc3 Nc3 14.Rc3 Nb4 15.Bb1 dc4 16.Ng5 (16.Rc4 Nd5+=) 16...Nd3 (better is 16...a5-/+) 17.Rd3? (better is 17.Bd3 cd3 18.Rd3=) 17...cd3-+ 18.Qd3 f5 (18...h6 19.Ne4-+) 19.Ba2-/+ Qe7 (19...Qa5 20.Qe2-/+) 20.Qh3 h6 21.Nf3 Kg8 (21...h5!?-/+) 22.Bh6= Qa3 (22...b5 23.Ng5 Re8 24.Bg7 Qg7 25.Rc1=) 23.Bc4 (23.Qg3 Qe7 (23...Qa2?? 24.Qg6 Rf7 25.Ng5 Qf2 26.Kf2 Re7 27.Qh7 Kf8 28.Qh8) 24.Qg6 Qf7+/-) 23...Bd7 (23...Qb4 24.Rc1 Rd8+=) 24.d5 Qe7 25.Ng5 (25.d6 Qe8 26.Ng5+-) 25...Rfc8? (25...Bh6 26.Qh6 Qg7+=) 26.d6+- Bh6 27.de7 Bg5 28.Qg3 (28.Qd3 Rc7 29.Qd6 Rc4 30.Qd7 Rcc8+-) 28...Rc4 29.Qg5 Be8 30.h4 Bf7 (30...a5+-) 31.Rd1 Re8 (31...Kh7 32.Rd8 Rcc8 33.h5 gh5 34.Qf6+-) 32.f3 1–0. Badmatsyrenov,Oleg (2485) – Zhuk,Valeriy (2020), Ulan Ude RUS, Buryatia Ch, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+=)

    5.d4 d6 6.Ba3 Nf6 (6...g5 7.h3=) 7.d5 Nb8 (7...Qa5 8.Nbd2 Ne5 9.Ne5 de5 10.Be7+/-) 8.Nc3 g6 9.Bb5 Bd7 10.0-0 (10.Nd4 Qc7 11.Bb2 Bh6=) 10...Bg7 (10...Bb5 11.Nb5 Nbd7 12.Re1=) 11.e5 (11.Qd3 0-0=) 11...de5 (11...Ng4!?+=) 12.d6= e6 13.Ne5 0-0 14.Rb1 (14.Qf3 Bb5 15.Nb5 Nd5=) 14...Qc8 (14...a6 15.Bd3 Nc6 16.Nd7 Nd7 17.Ne4=) 15.Qf3 (15.Qd3 a6 16.Nd7 Nfd7 17.Bd7 Nd7+=) 15...Bb5 16.Nb5 Nbd7 17.Nd7 Nd7 18.Nc7 Rb8 19.Rfd1 b6 20.c4 Rd8 21.h4 Nc5 22.Qf4 e5 23.Qe3 Ne6 24.Nd5 Qd7 25.h5 h6 26.hg6 fg6 27.Qe4 Kh7 28.Ne7 Nf8? 29.Nc6 Qe6?? 30.Nb8 Rb8 31.c5 Nd7 32.c6 Nf6 33.Qc2 (33.Qc2 Rd8 34.c7+-) 1–0. Dominguez,Jose Manuel (2325) – De los Santos,Eddy (2190), Santo Domingo, 2001. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3)

    5.d4 d6 6.Na3 Nf6=+ 7.Bd3 g6 (7...e6 8.0-0=) 8.0-0 (8.d5 Na5=) 8...Bg7=+ 9.c3 0-0 10.Qe2 (10.Re1 d5=+) 10...a6 (10...d5 11.e5 Ne8 12.Nc2=+) 11.Be3 (11.Bg5 d5=+) 11...Rb8 (11...Bg4 12.h3 Bd7 13.c4=) 12.Rfb1 (12.d5 Na5=) 12...d5 (12...b5 13.d5 Na5 14.Bd4=+) 13.e5= Ne4 14.Qc2 (14.Be4 de4 15.Ng5 Bf5=) 14...b5 (14...f5 15.c4 Be6 16.c5=+) 15.Ne1 (15.Be4 de4 16.Qe4 Qc7=) 15...f6 (15...f5 16.f3 f4 17.fe4 fe3 18.ed5 Qd5 19.Be4=) 16.f3 (16.Be4!? de4 17.Qe4=) 16...Ng5-/+ 17.f4 (better 17.ef6 ef6 18.Qf2-/+) 17...Ne4 (better 17...Ne6!?-/+) 18.c4= dc4 19.Bc4 bc4 20.Qc4 Kh8 (20...e6 21.Qc6 Rb1 22.Nb1=) 21.Qc6+= Rb1 22.Nb1 Attacks the isolani on a6 22...Bf5 23.Ra6 g5 (better 23...fe5 24.fe5 Bh6=) 24.Nf3 (better 24.fg5 fe5 25.d5+=) 24...gf4-/+ 25.Bf4 fe5 26.Bh6 (26.Be5? Be5 27.Qb6 Qb6 28.Rb6 Rc8-+) 26...Nf6 (26...Bh6 27.Qh6 ed4 28.Nbd2-/+) 27.Bg7=+ Kg7 28.Qb5 (28.de5? Qd1 (28...Bb1?! 29.ef6 Rf6 30.Qc3=) 29.Kf2 Ne4 (29...Bb1?! 30.ef6 Rf6 31.Qc3=) 30.Ke3 Qb1-+) 28...e4 (28...h6 A) 29.de5? Qd1 30.Qf1 Qf1 (30...Qb1?! 31.Qb1 Bb1 32.ef6 ef6 33.Nd4=) 31.Kf1 Bd3 (31...Bb1?! 32.ef6 Rf6 33.Ra7=) 32.Kf2 Ba6 (32...Bb1?! 33.ef6 Rf6 34.Ra5=) 33.ef6 Kf6-+; B) 29.Nbd2 Bc8 30.Rc6=+) 29.Qf5= ef3 30.Qf3 (30.Qe5 Qc8 31.Rb6= (31.Qe7?? Rf7 32.Qe5 Qa6-+)) 30...Qd4-/+ 31.Qf2 Qd1 32.Qf1 Qc2 (32...Qf1 33.Kf1 Ng4 34.Ke1 Nh2 35.Nd2-/+) 33.Na3 (33.Re6 Ne4 34.Qe1 Qc5 35.Kh1 Rf4 36.Re4 Re4 37.Qg3 Kh6-+) 33...Qb2 (33...Qc5 34.Qf2 Qc1 35.Qf1 Qe3 36.Qf2-/+) 34.Qf2 (34.h3 Qd4 35.Qf2 Qd1 36.Qf1 Qf1 37.Kf1 Nd5 38.Kg1 Nf4=+) 34...Qa1 (34...Qc1 35.Qf1 Qe3 36.Qf2-/+) 35.Qf1 Qe5 (35...Qf1 36.Kf1 Ng4 37.Ke1 Nh2 38.Re6=+) 36.Nc2=+ Rd8 (36...Ng4 37.Qa1=+) 37.h3?? (better 37.Qf3=) 37...Qc5-+ (37...Qc5 38.Kh2 Qc7 39.Kh1 Qc2-+) 0–1. Moussard,Jules (2440) – Matlakov,Maxim (2690), TCh–FRA Top, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3 ba3)

    5.d4 d6 6.d5 Na5 +=.

    5.d4 e6 6.c3 =.

    4.a3 d6

    5.ab4 Nb4 6.c3 Nc6 7.Na3 g6 8.Nb5 Bg7 9.Bc4 Nh6 10.d4 0-0 11.h3 Bd7 12.g4 (12.Bg5!?=) 12...a6-/+ 13.Na3 Kh8 14.g5 Ng8 15.h4 Bg4 16.Be2 f6 17.Nc2 Bf3 18.Bf3 e6 19.h5 fg5 20.hg6 h6 21.Bg4 Qf6 22.Be3 Qg6 23.f3 b6 24.Qd2 Na5 25.Bg5 Nc4 26.Qc1 d5 27.e5 Nb2 28.Qb2+/- Qg5 29.Qb6 Rae8 30.Ke2 Rb8 31.Qa6 Rb2 32.Rac1 Qg6 33.Qd3 Ne7 34.Qg6 Ng6 35.Ke3 Nf4 36.Rh2 Kh7 37.Ra1 Rb3 38.Kd2 Kg6 39.Bh3 h5 40.Ra6 Bh6 41.Be6 Ne6 42.Kd1 Rb1 43.Ke2 Re8 44.Rg2 Kf7 45.Ra7 Re7 46.Re7 Ke7 47.Kf2 Rb2 48.Kg1 Rb1 49.Kf2 Rb2 50.Kg3?? Rb1?? 51.Rh2?? Bf4-+ (51...Bf4 52.Kg2 Bh2-+) 0–1. Repas,B – Rostrom,R, Flint–ch MI S, 1993. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.Nf3)

    5.Bb5 Qa5 6.Qe2=+.

    5.Bb5 Bd7 6.0-0 (6.ab4 Nf6 7.Nc3 g6=) 6...Nf6 (6...Qa5 7.Bd3=) 7.d3= g6 (7...Qa5 8.Bc6 Bc6 9.Nbd2=) 8.Bc6 bc6 (8...Bc6 9.ab4 Bg7 10.Nd4=) 9.ab4 Bg7 10.Bb2 0-0 11.Nbd2 Qb6 (11...a5 12.ba5 Ra5 13.Bc3 Ra1 14.Qa1=) 12.Rb1 (12.Bc3 Rfd8+=) 12...Rfc8 (12...d5 13.Re1+=) 13.c3 (13.Nc4!? Qc7 14.h3+=) 13...Qc7=+ 14.h3 (14.c4 a5 15.e5 Ng4 16.ed6 ed6 17.Bg7 Kg7=) 14...Rcb8 (14...a5 15.ba5 Ra5 16.c4=+) 15.Qc2 (15.Nb3 Rb6=+) 15...Nh5 (15...a5 16.Ra1=+) 16.d4 (16.Nb3 c5 17.bc5 dc5=) 16...Qc8 (16...a5 17.ba5 Ra5 18.Nb3-/+) 17.Nh2 (17.Nc4 Nf4 18.Rbd1 Rb5-+) 17...Nf4 (17...a5 18.ba5 Ra5-+) 18.Kh1? (18.Nb3 e5=+) 18...d5 (18...a5 19.Ra1 ab4 20.Ra8 Ra8 21.cb4-+) 19.Qd1 (19.Nb3 Qc7-/+) 19...de4 (19...a5 20.Qf3 Qc7 21.Ng4-+) 20.Ne4-/+ Bf5 (20...a5 21.Qf3 Qc7 22.Ng4 Bg4 23.hg4 ab4 24.Ra1-+) 21.Qf3 Ne6 (21...Nd5 22.g4 Be6 23.Ng5-/+) 22.g4 Be4 23.Qe4 a5 24.Ba3 Bf6 (24...a4 25.Nf3=+) 25.f4 (better 25.Nf3=+) 25...h6 (25...ab4!? 26.Bb4 c5 27.dc5 Nc5-/+) 26.Nf3 (26.f5 ab4 27.Bb4 Ng5+=) 26...Qc7 (26...ab4 27.Bb4 Ra2 28.Ra1=+) 27.Ne5 The isolani on c6 becomes a target 27...Rc8 (27...Be5 28.Qe5 Qe5 29.fe5 ab4 30.Bb4=) 28.ba5= Ra5 29.Bb4 (29.Bc1 g5=) 29...Ra2=+ 30.Ng6 Rca8 (30...fg6 31.Qe6 Double attack (31.Qe6 Discovered attack; 31.Qe6 Deflection; 31.f5 Decoy; 31.Qe6 Overloading)) 31.Ne5= R8a6 (31...c5 32.dc5 Nc5 33.Qd5=) 32.d5 (32.c4!?+=) 32...cd5= 33.Qd5 Re2 (better 33...Qa7=) 34.f5?? (better 34.Rbe1 Rb2 35.Ra1=) 34...Nd8 (34...Be5 35.Rf3 Bc3 36.Bd6 Rd6 37.Rb3 Rd5 38.Rf2 Rf2 39.Rb8 Qb8 40.fe6 Rd1) 35.Qb5?? (35.Rbd1 Raa2 A) 36.Qd8?? Kg7 37.Rf2 Qe5-+ (worse 37...Be5 38.Qc7 Bc7 39.Re2 Re2 40.Rd3+=); B) 36.Rfe1-+) 35...Qe5 (better 35...Raa2 36.Qe2 Re2-+) 36.Qe5 Re5 37.Rfd1 (37.Ra1 Ra1 38.Ra1 Nc6-+) 37...Nc6 38.Rbc1 (38.Ra1 Ra1 39.Ra1 Kg7-+) 38...Nb4 39.cb4 Ra8 (39...Re3 40.h4 Ra2 41.g5-+) 40.Rc5 (40.Re1 Rb5-+) 40...Re2 41.Rdc1 (41.Ra5 Rb8 42.b5-+) 41...Raa2 42.Rd1 0–1. Munoz Benitez,Lucas – Fentes Caceres,Daniel (1725), Campos Spain, Migjorn Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.Nf3 d6)

    4.a3 e6

    5.ab4 Bb4 6.Bb2 Nf6 7.e5 Nd5 8.Bb5 0-0 9.0-0 Be7 10.d4 Nc7 11.Bd3 Nb4 12.Be2 b5 13.Nc3 a6 14.Ne4 Nbd5 15.Nfd2 Bb7 16.Bf3 Bc6 17.Nb3 Nb6 18.Na5 Bd5 19.Qd2 Nc4 20.Nc4 Bc4 21.Rfe1 Bd5 22.Ba3 f5 23.ef6 gf6 24.Bh5 Kh8 25.Nd6 Bd6 26.Bd6 Rg8 27.g3 Ne8 28.Bb4 d6 (better is 28...f5+=) 29.Bf7+= Rg7 30.Be6 Nc7 31.Bh3 Bb7 32.Ba5 Qg8 33.Bf5 Re8 34.Bc7 Rc7 35.Qh6 (35.Qh6 Rf7 36.Qh4+=) 1–0. Rogulj,Branko (2460) – Bellin,Robert (2440), Makarczyk Memorial, 1980. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3)

    5.ab4 Bb4 6.Bb5 Nf6 7.e5 Ne4 8.0-0 h6 9.Ra4 Qb6 10.Bc6 bc6 11.c3 Be7 12.Ba3 Nc5 13.Rg4 Ba6 14.c4 h5 15.Rg7 Bc4 16.d3 Nd3 17.Be7 Ke7 18.Qd2 Rag8 19.Qg5 Kf8 20.Rg8 Rg8 21.Qh6 Ke8 22.Nbd2 Bd5 23.Qh7 Rg6 24.Nh4 Rg4 25.h3 Rf4 Increases the pressure on f2 26.Kh2 Qd4 27.Qg8 Ke7 28.Qg5 Ke8 29.Rb1?? Nb4?? 30.Ndf3 Bf3 31.Nf3 Qe4 32.Ra1 a6 33.Re1 Qf5 34.Qg8 Ke7 35.Qb8 Qd3 36.Re3 Qd5 37.Qg8 Rf5 38.Qg7 Nd3 39.Nh4= Rf2 40.Qg3 Rd2 41.Qg5 Ke8 42.Nf3 Rf2 43.Qg3 Rb2 44.Qg8= Ke7 45.Qg5 Ke8 46.Qh5?? Rg2!-+ 47.Kh1 Rg8 48.Qh7-/+ Nf2 49.Kh2 Rf8 50.Qc2 Nh3 51.Kh3 f5 52.Rb3 Ke7 53.Rd3 Qe4 54.Qc5 Ke8-+ 55.Qd4 Rh8 56.Kg3 Qd4 57.Rd4 Ke7 58.Ra4 Rg8 59.Kf2 Ra8 60.Ke3 d6 61.Kd4 a5 62.Nd2 de5 63.Ke5 Rd8 64.Nf3 Rd5 65.Kf4 Kf6 66.Rc4 e5 67.Ke3 c5 68.Rh4? e4 69.Ne1 Ke5 70.Rh8 f4 71.Ke2 f3 72.Ke3 Rd1 73.Nf3 Kd5?? 74.Nd2 Re1+= 75.Kf2 Rc1 76.Ke2 Rc2 77.Kd1 Rc3 78.Nb1 Rd3 79.Ke2 Kd4 80.Ra8 Re3-/+ 81.Kd2 Rh3 82.Rd8 Kc4 83.Re8 Kd4 84.Rd8-/+ Ke5 85.Re8 Kf4 86.Rf8 Kg4 87.Rg8 Kf3 ½–½. Frank,Jozsef (2335) – Pergel,Laszlo (2030), HUN–chT2, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3)

    5.ab4 Bb4 6.c3 Ba5 (6...Be7 7.Qc2+=) 7.d4 d5 8.e5 White gains space (8.Bb5 Bc7 (worse is 8...de4 9.Ne5 Nge7 10.Bg5+/-) 9.ed5 Qd5+=) 8...Nge7 (8...Bd7 9.Bd2+=) 9.Bd3 Black has a cramped position 9...Qc7 (9...Bd7 10.0-0+=) 10.0-0 0-0?? ruins a clearly superior position (better is 10...Qd7+= would hold out) 11.Bh7+- Kh7 12.Ng5 Kg8 (12...Kg6 otherwise it's curtains at once 13.Qg4 f5+-) 13.Qh5 Rd8 14.Ba3 Bb4 15.Qf7 Kh8 16.Bb4 Nb4 17.cb4 Qd7 18.Ra3 Nf5 19.Rh3 Nh6 20.Qg6 Kg8 21.Rh6 Re8 (21...a5 hardly improves anything 22.Rh8! Decoy: h8 22...Kh8 23.Qh7) 22.Rh8! (22.Rh8 Kh8 23.Qh7) 1–0. Becuwe,Olivier (2120) – Breton,Baptiste (1960), FRA–chT4, 2001. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3)

    5.ab4 Bb4 6.c3 Be7 7.d4 d5 8.e5 Nh6 9.Bh6 gh6 10.Bd3 Bd7 11.h4 Qc7 12.Qd2 Bf8 13.Na3 a6 14.Nb5 Qb8 15.Nd6 Bd6 16.ed6 Qd6 17.Qh6 0-0-0 18.0-0 Rdg8 19.Ng5 (19.Rfb1 Qc7=) 19...Qf4 20.g3 Qd2 21.Rfd1 Qc3 22.Nf7 Qd4 23.Nd6?? (better is 23.Be2 Qb2 24.Qe3+=) 23...Kc7-+ 24.Ba6 Qe5?? 25.Nf7 Rg3! 26.Kf1 Qf5+= 27.Nh8 ba6 28.Ra4? Rf3?? 29.Qd2 Rh3 30.Qf4 Qf4 31.Rf4 e5 32.Rf7 Rh1 33.Ke2 Nd4 34.Rd4 ed4 35.Rh7 Kd6 36.Nf7 Kc5 37.Ne5 Bb5 38.Kd2 Rh2 39.Ng4 Rh3 40.h5 ½–½. Kindler,Juergen – Runte,Martin, Darmstadt Heinerfestpokal op, 1993. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.a3)

    5.ab4 Bb4 6.c3 Be7 7.d4 d6 8.Bb5 Bd7 9.0-0 Nf6 10.e5 de5 11.Bc6 Bc6 12.Ne5 0-0 13.Bf4 Qd5 14.Nc6 Qc6 15.Nd2 Qc3-+ 16.Nf3 Nd5 17.Rc1 Qa5 18.Bg3 a6 19.Ne5 Rac8 20.Ra1 Qc3 21.Rc1 Qc1 22.Qc1 Rc1 23.Rc1 Rd8 24.Rb1 Rc8 25.f4 b5 26.Ra1 Nb4 27.Rb1 a5 28.Be1 f6 29.Nd7 Rc4 30.Nc5 Rd4 31.Ne6 Rc4 32.h3 Kf7 33.f5 g6 34.fg6 hg6 (34...hg6 35.Bb4 ab4 (35...Ke6?! 36.Re1 Kd5 37.Be7=) 36.Ng5 fg5-+) 0–1. Marx,Peter – Roettig,Hans_Peter (2055), St. Leon–Rot GER, Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.Nf3)

    4.Bb2 d5

    5.Bb5 de4 6.Ne5 Qd6 7.Qe2 a6 8.Bc6 bc6 9.Qe4 Qd5 10.f3 e6 11.Nc6 Qe4 12.fe4 Bb7 13.Nb4 Be4 (13...Bb4 14.Bg7 Be4 15.c3+/-) 14.0-0 (14.Kf2!?-/+) 14...Rb8-+ (14...Bb4 15.Bg7 Bc2 16.Bh8+=) 15.a3 a5 16.Re1 Bg6 (16...ab4?! 17.Re4 ba3 18.Ba3=) 17.Be5 Rc8 (17...ab4 18.Bb8 Bc2 19.ab4 Bb4 20.Be5+/-) 18.Nd5 Bc2 19.Nbc3 f6 20.Bd4 Kf7 21.Ne3 Bb3 22.Ne4 a4 23.Rf1 Be7 24.g4 h5 25.g5 Kg6 26.gf6 Nf6 27.Nc3 Rhd8 28.Ne2 Ne4 29.d3 Nc5 30.Rf2 (better is 30.Rf3-+) 30...Nd3 31.Rg2 Kh6 32.Bg7 Kh7 33.Rf1 (33.Rg3-+) 33...Bc5 (33...Ba3?! 34.Rf7 Kg8 35.Rf1=) 34.Bd4 Rd4 35.Rf7 Kh8 36.Nd4 Bd4 37.Re2 (37.Rg3 Rg8 38.Rff3 Ne5 39.Rg8 Kg8 40.Rg3 Ng4-+) 37...Bd1 38.Kf1 Be2 39.Ke2 Rc3 40.Nc2 Ne5 (40...Ne5 41.Nd4 Nf7 42.Ne6 Ra3-+) 0–1. Kapfenstein,Armin (1640) – Kondziela,Andreas (2090), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bb2 d5)

    5.ed5 Qd5

    6.a3 Bg4 7.Be2 e5 8.ab4 Bb4 9.0-0 Nf6 10.h3 Bd7 11.Na3 0-0 12.d4 ed4 13.Nd4 Rad8 14.c4 Qg5 15.Nf3 Qg6 16.Bd3 Bf5 17.Nh4? (better is 17.Bf5!? Qf5 18.Qa4-/+) 17...Rd3-+ (17...Bd3?! 18.Ng6 fg6 19.Nc2 Bf1 20.Qf1=) 18.Ng6 Rd1 19.Nf8 (19.Rfd1 fg6 20.Nb5 a6-+) 19…Rf1 (19...Rf1 20.Rf1 Kf8-+) 0–1. Konigsdorfer – Kubes, 1950. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 d5)

    6.c4 bc3 7.Nc3 Qa5 8.d4 e6 9.Bc4 Nf6 10.0-0 a6 11.d5 ed5 (11...Ba3!? 12.Ba3 Qc3 (worse is 12...Qa3 13.dc6 Qc3 14.Qa4+/-) 13.dc6 Qa3+= (13...Qc4?? 14.Qd6 Nd5 15.Ne5+-)) 12.Nd5= Nd5 13.Bd5 Be6 14.Be6 fe6 15.Re1 Kf7?? (better is 15...Nd8+=) 16.Qd7+- Be7 17.Qe6 (17.Re6?! Rhd8 18.Qb7 Ke6 19.Qc6 Kf7 20.Ne5 Kf8 21.Qf3 Bf6+/-) 17...Kf8 18.Re4 (18.Ne5 Ne5 19.Re5 Qe5 20.Be5 Re8+-) 18...Qc7 (18...Qh5 19.Rf4 Ke8 20.Bg7+-) 19.Rae1 (better is 19.Ne5 Ne5 20.Be5+- (20.Qe5?! Qe5 21.Be5 Bf6+/-)) 19...Qd6 20.Qf5 Kg8 21.Re6 Qd7 22.Qg4 Bf8 23.Ng5 Nd8?? 24.Rd1 Qb5 25.Re5 Qb2 26.Qc4 (26.Qc4 Ne6 27.Qe6) 1–0. Bohley,Donald – Chandler,P, Monroe ch–MI op, 1986. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3)

    6.c4 Qd8 7.d4 e6 8.Bd3 Nf6 9.0-0 Be7 10.Re1 0-0 11.Nbd2 b6 12.Qe2 Bb7 13.Rad1 Rc8 14.Ne4 Nh5 15.Qe3 Na5 16.Ned2 Bd6 17.Ne5 Qh4 18.g3 Qd8 19.Ne4 Be7 20.h4 Nf6 21.Ng5 Nc4 22.Bc4 Rc4 23.Nc4 Qd5 24.Qf3 Qf3 25.Nf3 Bf3 26.Ra1 b5 27.Ne3 Bd6 28.a4 ba3! 29.Ba3 b4 30.Bb2 Ra8 31.Ra6 Bb8 32.Rc1 Bb7 33.Ra4 Bd6 34.Nc4 Bf8 35.Ne5 Nd5 36.Nd7 a6 37.Nc5 Bc5 38.Rc5 Rd8 39.Kf1 Rd6 40.Ke1 Rb6 41.Kd2 Bc6 42.Ra1 h6 43.Rac1 Bb5 44.Ra1 g5 45.hg5 hg5 46.Kc2 Kg7 47.Kb3 f6 48.Bc1 Be8 49.Bd2 Kg6 50.Rc4 Bb5 51.Rc5 Kh5 52.Rcc1 Kg4 53.f4 gf4 54.gf4 Kf5 55.Re1 Rd6 56.Red1 Ke4 57.Bb4 Nb4 58.Kb4 Kf4 59.Ra2 f5 60.Rh2 Kf3 61.Rh3 Ke2 62.Ra1 Rd4 63.Kc3 Rd3 64.Rd3 Bd3 65.Kd4 Bb5 66.Ra2 Kf3 67.Ke5 f4 68.Ra3 Kg4 69.Ke6 f3 70.Ke5 f2 71.Ra1 a5! 72.Kd4 Kf5 ½–½. Bender,Klaus – Neumann,Walter, GER–ch25 qual3 corr, 1995. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 d5)

    6.d4 e5 7.Ne5 (7.de5 Qd1 Combination; 7.Ne5 Qe4 Double attack) 7...Ne5 8.de5 Qd1 9.Kd1 Bc5 10.Ke1 Nh6 11.Bb5 Ke7 12.Nd2 Bf5 13.Bd3 Rhd8 14.Ke2 Rac8 15.a3 a5 16.ab4 Bb4 17.Ba3 Bd3 18.cd3 Rc3 19.Bb4 ab4 20.Ra7 Rd7 (worse is 20...Rdd3 21.Rb7 Rd7 22.Rb4+/-) 21.Rb1 Nf5 (worse is 21...Rdd3 22.Rb7 Rd7 23.R1b4+/-; 21...Rcd3?! 22.Nc4=) 22.Nf3 b3 (worse is 22...Rcd3 23.Rb4 Nd4 24.Nd4 R3d4 25.Rd4 Rd4 26.Rb7 Ke6 27.Ke3+/-) 23.Ne1 b5 24.Rd7 Kd7 25.g4 Nd4 26.Ke3 Nc6 27.f4 Ke6 28.Ke4 Na5 29.Nf3 Kd7 30.Nd4 b4 31.f5 Nb7 32.e6 Ke7 33.Ne2 Nc5 34.Kd5 Nd3?? 35.Nc3 bc3-/+ 36.Rb3 c2?? 37.Rb7+- Kf6 38.ef7 Nf4 1–0. Cagasik,Tomas (2245) – Mudra,Tomas (2085), CZE–chT2d, 2004. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 d5)

    6.d4 Bg4 7.Be2 e6 8.0-0 Nf6 9.a3 ba3 10.Na3 Be7 11.c4 Qd7 12.h3 Bh5 13.d5 (13.Nb5!?+=) 13...ed5-/+ 14.Ne5 Ne5 15.Be5 Be2 16.Qe2 0-0 17.Rfd1 Rfe8 18.Nb5 Bc5 19.Qb2 Bf2! 20.Kh1 (20.Qf2 Re5; 20.Kf2 Qf5) 20...Qf5 21.Bf6 Re3 (worse is 21...gf6 22.Rf1 dc4 23.Rf2+=; 21...Qf6?! 22.Qf6 gf6 23.cd5-/+) 22.Ra3 Ra3 (22...gf6?! 23.Re3 Be3 24.Nc7=) 23.Na3 Qf6 (23...gf6?! 24.Qb7 Re8 25.Qd5+= (25.cd5?? Re3 26.Qb8 Kg7-+; 25.Rd5?? Re1 26.Kh2 Qf4 27.g3 Qg3)) 24.Qb7 Re8 25.cd5 Qc3 26.Rf1 Qa3 27.Rf2 Qe7 28.Qe7 Re7 29.Rc2 g6 30.d6 Rd7 31.Rc7 Rd6 32.Ra7 Kg7 33.Kh2 g5 34.g4 h5! 35.Kg3 (35.gh5 Rf6) 35...Rd3 36.Kg2 h4 37.Rb7 Kg6 38.Rb6 f6 39.Rb7 Rd6 40.Rb5 Kf7 41.Rb2 Ke6 42.Re2 Kd5 43.Kf3 Kc4 44.Re4 Kc5 45.Re3 Rd4 46.Re8 Rd3 47.Kg2 Rg3 48.Kh2 Kd4 49.Re6 Rf3 50.Kg2 Rf4 51.Kg1 Kd5 52.Ra6 Ke4 53.Kg2 Ke3 ½–½. Wilm,Guenter – Feger,Andreas, Untergrombach op, 1999. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bb2 d5)

    6.Be2 Nf6 7.0-0 e5 8.c4 Qd6 9.a3 (9.d4 ed4 10.Nd4 Be7-/+) 9...Be7 (9...e4 10.Ne1-/+) 10.d4 ed4 11.ab4 Qb4 12.Ba3 Qb6 13.Be7 Ne7 (13...Ke7 14.Bd3-+) 14.c5 (better 14.Qd4!? Qd4 15.Nd4-/+) 14...Qc5-+ 15.Re1 0-0 16.Bd3 (16.Nbd2 Nc6 17.Nb3 Qd6 18.Nbd4 Re8-+) 16...Ned5 (16...Rd8 17.Nbd2-+) 17.Nbd2 (17.Nd4 Bg4 18.Qd2 Rfd8-+) 17...Nc3 18.Qc2 h6 (better 18...Be6!? 19.Re5 Qd6 20.Ne4 Nce4 21.Be4-+) 19.Nb3 Qh5 (19...Qb4 20.Rec1-+) 20.Nbd4-/+ Ncd5 21.Nf5 Bf5 22.Bf5 Rad8 (22...g6 23.Be4 Rfe8 24.Bd5 Re1 25.Re1 Qd5 26.Qc3-+) 23.Rad1? (23.Re5 g6 24.Be6 g5 25.Bd5 Nd5=+) 23...Nf4 (23...Rfe8 24.Qd3-+) 24.h3? (better 24.Rd8!? Rd8 25.Qc7 Qf5 26.Qd8 Kh7 27.Qd1=) 24...g6 (24...Rd1!? 25.Rd1 Re8 26.Kh2-+) 25.Be4 Rd1 26.Rd1 Ne4 (better 26...Qb5!? 27.Rd6 Ne6-+) 27.Qe4=+ Ne6 28.Ne5?? (better 28.Rd5 Ng5 29.Ng5 hg5 30.Qe7=+) 28...Qd1-+ 29.Kh2 Qd6 30.g3 (30.f4 g5 31.Qc2 Nf4-+) 30...Ng5 31.Qd3 (31.Qb7 Qe5 32.h4 Ne4 33.Qa7 Rd8-+) 31...Qe5 32.h4 Qf5 33.Kg1 Qd3 34.hg5 (34.Kg2 Qf3 35.Kg1 Ne4 36.g4 Qf2 37.Kh1 Ng3) 34...Qf3 35.Kf1 (35.Kh2 Re8 36.gh6 Re1 37.h7 Kh7 38.Kh3 Rh1) 35...Rd8 36.gh6 (36.Kg1 Rd1 37.Kh2 Qh1) 36…Rd1 0-1. wootwoot (2660) - alifie (2510), Rated Bullet game, lichess.org, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bb2)

    6.h3 Bf5 7.c4 Qa5 8.Nh4 Nh6 9.Nf5 Nf5 10.Bd3 Rd8 11.Bc2 Nfd4 12.0-0 Nc2 13.Qc2 e6 14.Rd1 Qh5 15.d3 Bc5 16.Nd2 Qe2 17.d4 Bd4 18.Bd4 Rd4 19.c5 (19.Rab1 0-0 20.Rb3 Rc4-+) 19...0-0 20.Rab1 Rfd8 21.Rb2 Ne5 22.Qa4 Nd3 (22...Rd2?? 23.Rbd2 Qd1 24.Rd1 Rd1 25.Qd1+-) 23.Nc4 Qd1! (23...Nb2?! 24.Rd4 Qe1 25.Kh2-+) 24.Qd1 Nb2 (24...Rc4?! 25.Rd2 Rcd4 26.Qa4-/+) 25.Qf3 Rc4 26.Qb3 (26.Qb7 Rc5 27.Qb4 Nd3-+) 26...Rc1 27.Kh2 Nd3 0–1. Kapfenstein,Armin (1640) – Rennert,Ralf (1890), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bb2 d5 5.ed5 Qd5)

    4.Bb2 d6

    5.d4 Nf6 6.d5 Nb8 7.Bd3 g6 (7...e5 8.de6 Be6 9.0-0=+) 8.a3 ba3 9.Na3 Bg7 10.Nc4 (10.Bd4!?=) 10...Nbd7 11.Ra3 0-0 12.Qa1 a6 13.0-0 Nh5 (13...Nc5 14.Bd4=+) 14.Nd4 (14.Bg7 Ng7 15.Rb1 Qc7=) 14...Nf4 15.Re1 Nd3 16.Rd3 Ne5 17.Ne5 Be5 18.Qc1 Bg7 19.Bc3 Bd7 20.Bd2 Qc7 21.Bh6 b5 22.Nf5 Bf5 (22...gf5?? 23.Qg5 Qc3 24.Rc3 fe4 25.Qg7) 23.ef5 f6 24.h4 (24.fg6 hg6 25.Rg3 g5 26.Bg7 Kg7+=) 24...Rac8 25.Qe3 Rf7 26.fg6 hg6 27.c3 Kh7 (27...Qc5 28.Qd2=+) 28.Bg7 Rg7 29.Qf4 Qc4 30.Qd2 (30.Qc4 Rc4 31.Ra1 b4 32.cb4 Rb4=+) 30...a5=+ (30...Qh4? 31.Rh3 Qh3 32.gh3+-) 31.h5 (31.Qe2 Rc5-/+ (31...Qh4? 32.Qe6 Rc4 33.Rh3+-)) 31...g5 (better 31...gh5!? 32.Ree3 Qf4-/+) 32.Rde3 Rc7 33.Qc2 Kh6 34.Qf5 Qf4 35.Qd3 b4 36.cb4 ab4 37.Re4 Qf5 (better 37...Rc1!?=) 38.g4+/- Qc8 39.Rb4 Rc3 40.Qe4 Qc7 41.Kg2 Rc2 (41...Qc8 42.Re2+/-) 42.Re2 (42.Qf5 Rd2+-) 42...Rc1 43.Reb2 Qc3?? (better 43...Qc8+/-) 44.Rb8+- f5 (44...Qc8 45.Rc8 Rc8+-) 45.Qf5 (45.Qf5 Qf3 46.Kf3 Rc3 47.Ke2 Re3 48.Ke3 Rg8 49.Rg8 e5 50.Qg6; 45.Rh8 Rh7 46.Qf5 Qf3 47.Kf3 Rc3 48.Ke2 Rc2 49.Rc2 Rh8 50.Qg6) 1-0. Sosa Suarez,Carla Cristina (2065) - Palma,Maria (2100), Corralejo ESP, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.Bb2)

    5.Nd4? Ne5 6.Bb5=+ Bd7 7.Qe2 a6 8.Bd7 Nd7 9.Qc4 Qb6 10.0-0 Ne5 11.Qe2 Nf6 12.Nf5 g6 13.Nd4 Bg7 14.Nf3 Nf3-+ 15.Qf3 0-0 16.d3 Rac8 17.Qe2 Rc7 18.Nd2? Rfc8 19.Rac1? Rc2-+ 20.Rc2 Rc2 21.Bf6 Bf6 22.Qd1 Ra2 23.Nc4 Qd4 24.Re1 b5 25.Ne3-+ Bg5 26.Qb3 Ra3 27.Qc2 b3 (27...b3 28.Qb1 a5-+) 0–1. islanderfan (1870) – chessdeviant (2250), net–chess.com, 2009.

    4.Bb2 Nf6

    5.d3 d5 6.ed5 Nd5 7.Be2 Nf4 8.0-0 Bg4 9.Nbd2 e6 10.h3 Bh5 11.Ne4 Rc8 12.Ng3 Qd5 13.Kh1 Ne2 14.Nh5 Nc3 15.Bc3 bc3 16.Nf4 Qc5 17.Rb1 b6 18.Ne2 Bd6 19.Rb3 0-0 20.Nc3 Na5 21.Ne4 Qd5 22.c4 Qc6 23.Rb5 Rfd8 24.Qe2 (24.Nd6? Qd6 (24...Rd6?! 25.Qe2+=) 25.c5 Rc5 26.Rc5 bc5-/+) 24...Bf4 25.Rfb1 Qd7 26.c5 Qd3 27.Qd3 Rd3 28.cb6 ab6 29.Rb6 Rcd8 30.a4 Rd1 31.Rd1 Rd1 32.Ng1 Bc7 33.Ra6 Kf8 34.g3 Rd4 35.Nc3 Bd8 36.Kg2 Rc4 37.Nge2 Nc6 38.Nb5 Ke7 39.Nf4 Kd7 40.Nd3 f6 41.f4 h6 42.Kf3 g5 ½–½. Miraglia,Jorge – Hjortstam,Kurt, email 4AMM–F, 1998.

    5.d3 d6 6.Be2=+ e5 7.Nbd2 Be7 8.h3 0-0 9.0-0 a5 10.a4 d5 11.ed5 Nd5=+ 12.Ne5 Ne5 13.Be5 Bf6 14.Bf6 Qf6 15.Ne4 Qd4 16.Qd2 Nc3 17.Nc3= bc3 18.Qg5 Bd7=+ 19.Bf3 Rab8 20.Qa5+= b6 21.Qd5 Qd5 22.Bd5 Rfd8 23.Bb3 Ra8 24.Rfe1 Ra5 25.Re7 Rf5 26.Rae1 h6 27.R1e5 Rf6?? 28.a5 ba5 29.Ra5 Kf8+/- 30.Ree5 Rg6 31.Ra7+- Be6 32.Be6 Re6 33.Re6 fe6 34.Rc7 Rd4 35.Rc3 Kf7 36.Kf1 e5 37.Ke2 1–0. gstevenson (2235) – mberlin (2190), net–chess.com, 2009.

    5.e5 Nd5 6.Bc4 e6 7.0-0 Nb6 8.Bb3 Be7 9.a3 0-0 10.ab4 Bb4 11.c3 Be7 12.d4 d5 13.Na3 Bd7 14.Bc2 f5 15.Qd3 Na5 16.Nd2 Qe8 17.f4 Nac4 18.Nac4 Nc4 19.Nc4 dc4 (19...Bb5 20.Bb3-/+) 20.Qh3 (20.Qc4!? a5 21.Qd3=) 20...Bc6 21.Ra5 b6 22.Ra6 b5 23.Rfa1 Qd7 24.g4 g6 25.g5 b4 26.Ba4 Rfc8 27.Bc6 Rc6 28.Qf3 Rcc8 29.R1a4 b3 30.h4 Kf7 31.h5 Kg7 32.Kf2 h6 33.gh6 Kh6 34.hg6 Kg6 35.d5 Bc5 36.Ke2 Bb6 37.Ra1 Rh8 38.Rb6 ab6 39.Rg1 Kf7 40.de6 Ke6 41.Rg6 Kf7 42.e6 Qe6 43.Re6 Ke6 44.Qc6 Kf7? 45.Qc4 Kg7 46.Qb3 Rae8 47.Kf3 Rh3 48.Kg2 Ree3 49.Qd1 Rd3 50.Qe1 Rhe3 51.Qf2 Kg6 52.c4 Kh5 53.Bd4! Re4 54.Bb6 Re6 55.Kh2 Kg6 56.Bd4 (56.Bd4 Re7 57.Qg1 Kh7 58.Qg5 Re2 59.Kh1 Rd1 60.Bg1+-) 1–0. Winter,Malcolm – Evtyugin,Yura, OP–2011–0-01822, 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bb2)

    5.e5 Nd5 6.Bc4 e6 7.0-0 Be7 8.a3 Nb6 9.Bb3 a5 10.ab4 a4 11.b5 Nb4 12.Ba2 Qc7 13.Nc3 a3 14.Bc1 Na2 15.Na2 f6 16.ef6 Bf6 17.d4 0-0 18.Qd3 Qc4 19.Nc3 Qd3 20.cd3 Be7 21.Ne4 (better is 21.Nd2!?+=) 21...Nd5-/+ 22.Bd2 b6 23.Ne5 Ra4 24.Nc4 Bb7 25.Nc3 Ra7 26.Nd5 Bd5 27.Nb6 Rb7 (better is 27...Bb3!? 28.Rfc1 Bf6=) 28.Nd5+= ed5 29.Rfb1 Rfb8 30.Bf4 a2 31.Ra2 Rb5 32.Rb5 Rb5 33.g3 Kf7 34.Be5 d6 35.Bf4 Rb3 36.Rd2 Rb4 37.Be3 Bf6 38.Rc2 Bd4 39.Rc7 Kf6 40.Bd4 Rd4 41.Rc3 Ra4 42.Kf1 Ke5 43.Rc7 Kd4 44.Rg7+- Kd3 45.Rh7 d4 46.Rd7 Ra1 47.Kg2 Ra6 48.h4 Ke2 49.Re7 Kd1 50.Re4?? d3= 51.Kf3 d2-+ 52.Rd4 Ra3 53.Kf4? Ke2-+ 54.Rd6 Rd3 (54...Rd3 55.Rd3 Kd3-+) 0–1. Fauvet,Eric (2155) – Bardel,Stephan (2240), FRA–chT2S, 1998. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 Nf6)

    5.e5 Ne4 6.d4 d5 7.ed6 Nd6 8.d5 Na5 9.Nbd2 e6 10.Bd3 Be7 11.Bg7 Rg8 12.Be5 Rg2 13.Kf1 Rg8 (13...Rg4!? 14.h3 Rg6 15.Bg6 hg6 16.de6 Be6+=) 14.Bh7+= Rf8 15.Nb3 (better is 15.de6!? Be6 16.Bg7+=) 15...ed5+= 16.h4 Ne4 17.Qe2 (17.Bg7 Nb3 18.cb3 Bg4 19.Be4 de4 20.Qd8 Bd8-/+) 17...Nc4 (17...Nc3!? 18.Qd3 Bd7 19.Bc3 bc3 20.Qc3 Nc4+=) 18.Be4+= de4 19.Qc4 ef3 20.Nd4 Bd7 (20...Rg8 21.Nb5 Kf8 22.Nc7=) 21.h5 (21.Nb5!? Bb5 22.Qb5 Qd7 23.Qd7 Kd7 24.Rd1 Ke6 25.Re1=) 21...Rc8+= 22.Qd3 Qa5 23.Re1 Rc3 24.Qh7 Bb5 25.Nb5+= Qb5 26.Kg1 Rc6 27.Bg3 Qd5 28.Re5 Qd7 29.Kh2 Re6 30.Rhe1 Re5 31.Re5 Qg4 32.Re4 Qg5 33.Rc4 Qd5 34.Rc8 Bd8 35.c4 bc3 36.Rc3 Bf6 37.Rd3 Bd4 38.Rd1 b6 39.Qd3 Qh5 40.Kg1 Qd5 41.Qd4 Qd4 42.Rd4 Rg8 43.Rd3 Rg4 44.Rf3 Ra4 45.a3 Ke7 46.Rb3 Kd7 47.f4 Ke6 48.Kf2 Kf5 49.Kf3 f6 50.Rb5 Kg6 51.Kg4 Ra3 52.f5 Kf7 53.Rb4 Ra1 54.Rc4 a5 55.Rc7 Ke8 56.Rc6 Ra4 57.Kh5 b5 58.Rf6 Re4 59.Kg5 Re7 60.Kg6 Re4 61.Re6 Re6 62.fe6 Kf8?? 63.Kf6 b4 64.Bc7 b3 65.Bd6 Ke8 66.Ba3 b2 67.Bb2 Kf8 68.e7 Ke8 69.Ba3 a4 70.Kg7 1–0. Kirwald,Franz (2375) – Teske,Heike (2215), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3)

    5.Bf6 gf6 6.Bc4 Bg7 7.d4 d6 8.c3 f5 9.Ng5 e6 10.Qh5 Qf6 11.d5 Ne5 12.Bb5 (12.Nh7? Rh7 13.Bb5 Bd7 14.Qh7 Bb5 15.Qg8 Bf8-+) 12...Ke7 13.Nh7 (13.f4 Ng6 14.e5 de5 15.Nh7 Qh4 16.Qh4 Nh4 17.d6 Kd6 18.Ng5-+) 13...Qh6-+ 14.Qh6 Bh6 15.ef5 Rh7 16.fe6 Bc1 17.f4 Bb2 18.fe5 fe6 19.Bd3 Rg7 (19...Ba1?! 20.Bh7 Bc3 21.Nc3 bc3 22.Ke2+=; 19...bc3?! 20.Bh7 Ba1 21.Ke2+=) 20.ed6 Kd6 21.de6 Ba1 22.0-0 (22.cb4 Rg2 (worse is 22...Ke6 23.g3-+) 23.a3 Be5-+) 22...Be6 (worse is 22...bc3 23.Na3 Bb2 24.Nc4 Kc5 25.Nb2 cb2 26.Rb1-+) 23.cb4 Bd4 (23...Bd4 24.Rf2 Rf8-+) 0–1. Kapfenstein,Armin (1640) – Schirmer,Michael (2150), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.Bb2 Nf6)

    4.d4 d5

    5.ed5 Nb8 6.c4 bc3 7.Nc3 Nf6 8.Bb5 Bd7 9.Bc4 g6 10.Qb3 Qb6 11.Qb6 ab6 12.Rb1 Bg7 13.Rb6 0-0 14.Bd2 Bc8 15.0-0 Rd8 16.Re1 Kf8 17.Bf4 Ne8 18.Ne4 Nd7 19.Rb2 Ndf6 20.Nf6 Nf6 21.Bc7 Rd7 22.Be5 Ra3 23.Rc2 Ra8 24.Rec1 Bh6 25.Re1 Nd5 26.Bb5 Rd8 27.Bc7 Nc7 28.Rc7 Ra2 29.Rce7 Be6 30.Rb7 Bd5 31.Rc7 Bf4 32.Rce7 Be6 33.R7e6 fe6 34.Bc4 Ra3 35.Be6 Rf3 36.gf3 Rd4 ½–½. Neuberg,Simon – Pernutz,Hans Gerhard (2265), Oberliga Sued W, 1995. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5)

    5.e5 Bf5 6.Bd3 Bg6 7.h4 Qb6 8.h5 Be4 9.Be3=+ Nh6 10.Be4 de4 11.d5 Qa5 12.dc6+/- Rd8 13.Nd4+- bc6 14.Qe2 Qe5+/- 15.Nb3 a5 16.Qc4 Qc7 17.N1d2 Ng4 18.Qa6 Ne3+= 19.fe3 Qg3 20.Kf1 Qe3 21.Qc6 Rd7 22.Rh3 Qf4 23.Kg1 Qc7 24.Qc7 Rc7= 25.Ne4 a4 26.Na5 Rc2=+ 27.Rd3 e6 28.Rad1= Be7 29.Rd7 f5=+ 30.Nd6?? Kd7-+ 31.Nf5 Ke8 32.Ng7 Kf7 33.h6 Rb8 34.Rf1 Kg6 35.Ne6 Bc5 36.Kh1 Rb5 37.Nc6 Bf2 38.Nf4 Kh6 39.Ne7 Kg5 40.Nh3 Kf6 41.Ng8 Kg7 42.Nf2 Kg8 43.Ne4 Ra2 0–1. Blanchard,Esteban – Vernadet,Jacques, Paris op, 1993.

    5.ed5 Qd5

    6.a3 e6 7.ab4 Bb4 8.c3 Be7 9.Na3 Nf6 10.Bd3 (10.Be2 0-0=) 10...0-0=+ 11.Nb5 Qd8 (11...e5 12.Nc7 Qd8 13.Na8=+) 12.0-0 b6 (12...a6 13.c4=+) 13.c4 (13.Ne5 Bb7 14.Nc6 Bc6 15.Na7 Qd7 16.Nc6 Ra1-/+) 13...Bb7=+ 14.Bf4 (14.Be3 Nb4=+) 14...a6 15.Nc7 (15.Nc3 Rc8=+ (15...Nd4? 16.Nd4 Qd7 17.Be5+-)) 15...Ra7 (15...Nh5 16.Bh7 Kh8 17.Na8 Nf4 18.Be4 Qa8 19.g3 Nh3 20.Kg2-+) 16.d5 ed5 (16...Nb4 17.d6 Bf3 18.de7 Bd1 19.ed8Q Rd8 20.Na6 Nd3 21.Rfd1=+) 17.cd5 Now all is on a6 (17.Nd5 Nd5 18.cd5 Nb4=+ (18...Qd5?? 19.Bh7 Kh7 20.Qd5+-)) 17...Nb4 (17...Nd5? 18.Nd5 Kh8 19.Ne7 Ne7 20.Bc4+-) 18.d6 Bd6 (18...Bf3 19.de7 (19.Qf3? Bd6 20.Bd6 Qd6-+) 19...Bd1 20.ed8Q Rd8 21.Ba6 Na6 22.Rfd1 Rd1 23.Rd1=+) 19.Bd6 Bf3 (19...Qd6?? 20.Bh7 Nh7 21.Qd6 Bf3 22.gf3+-) 20.gf3 Nd3 (20...Qd6?? 21.Bh7 Kh7 22.Qd6+-) 21.Qd3 Rc7 22.Qa3 (22.Ra6?? Rd7 23.Rd1 Ne8-+) 22...Re8 (22...a5!?=) 23.Bc7+= Qc7 24.Rfe1 (24.Qa6 g6+=) 24...Re1 25.Re1 h6 (25...a5 26.Rc1 Qb7 27.Qd6+=) 26.Qa6+= Qc6 (26...Qc5 27.Qd3+=) 27.Qd3 g5 (27...Nh5 28.Qe4 Qf6 29.Qb1+=) 28.Ra1 (28.Qe3 Kg7+-) 28...Nh5+= 29.Qe4 Qd6 30.Ra8 (30.Qe8!? Kg7 31.Re1+=) 30...Kg7= 31.Qe1 Nf4 32.Re8 (32.Qc3 Kg6 33.Qc2 Kh5=) 32...Qd7 33.Re3 b5 34.Rb3 Qh3 (better 34...Qd5 35.Qa1 Kg6=) 35.Qe5?? (better 35.Qa1 Kg6 36.Qf1+=) 35...Kg6-+ 36.Qd6 Kh5 37.Qf4 gf4 38.Rb5 Kg6 (38...Kh4 39.Rb6 Qf3 40.Rh6 Kg5 41.Rh8 Qd1 42.Kg2 f3 43.Kg3-+) 39.Rb3 Qe6 (better 39...Kg5 40.Rd3 Kh4 41.Rc3-+) 40.Rb1 (40.Rd3 Kg5 41.Rd4 Qf6-+) 40...h5 (better 40...Kh5 41.Rb8-+) 41.Kg2 Kg7 (41...Kg5 42.h3-+) 42.Rb4 (42.Rh1 Qg6 43.Kf1 Kf6-+) 42...Qd6 (42...Qg6!? 43.Kf1 Qf5 44.Kg2 Qg5 45.Kf1-+) 43.Re4 Kg6 (43...Qg6 44.Kf1-+) 44.Re1 (44.h4 Kf5 45.Ra4 Qg6 46.Kf1 Ke5-+) 44...Kg5 45.h3 Kh4 46.Rh1 Qe6 47.Rh2 f6 48.Rh1 Qd7 49.Rh2 Kg5 (49...Qg7 50.Kf1-+) 50.Rh1 Qd2 51.Rb1 (51.h4 Kf5-+) 51...Qe2 52.Ra1 Qb5 53.Re1 Qc4 54.Re4 Qg8 55.Kh2 Qg6 56.Re1 Kh4 57.Rh1 Qg5 58.Rg1 Qf5 59.Rh1 Qd3 60.Kg2 Kg5 (60...Qc2 61.Re1-+) 61.Ra1 (61.h4 Kh6-+) 61...Kf5 (61...Qh7 62.Rd1-+) 62.Ra5 Ke6 63.Ra4 Qg6 64.Kh2 Ke5 65.Ra1 (65.Rb4 f5-+) 65...Kd4 66.Re1 (66.Rd1 Kc3 67.Rd8-+) 66...Kd3 67.Re4 Qg5 (67...f5 68.Re5-+) 68.Re1 Kd2 69.Re8 Qg6 (69...Qb5 70.Rg8 Ke1 71.Rg2 Kf1 72.Rg7 Qc6 73.Ra7 Qc2 74.Ra1 Kf2 75.Rg1 Kf3 76.Kh1 Qc8 77.Rg6 Qc5 78.Rg2 Qc1 79.Rg1 Qd2 80.Rg6 Qd6 81.Rg7 Qd3 82.Rg8 Qe2 83.Rg1 Ke3 84.Rg7 Qf1 85.Kh2 Kf2 86.Rg6 f3 87.h4 Qg2 88.Rg2 fg2 89.Kh3 f5 90.Kh2 g1Q 91.Kh3 Qg3) 70.Re7-+ Qg5 71.Re4?? (71.Re8 Qb5 72.Rg8 Ke1 73.Rg1 Kf2 74.Rg2 Kf3 75.Kg1 Ke3 76.Kh2 f3 77.Rg1 Qe2 78.Kh1 f2 79.Ra1 f1R 80.Rf1 Qf1 81.Kh2 Kf3 82.h4 Qg2) 71...Qd5 (better 71...f5 72.Re8 Qg6-+) 72.Kg2 Qf5 73.Re1 (73.Re7 Kd1 74.Rc7 Qg5 75.Kf1 Qb5 76.Kg2-+) 73...Qg5 (73...Ke1 74.h4 Qg6 75.Kh3 Kf2 76.Kh2 Qg2) 74.Kh2 (74.Kf1 Qb5 75.Re2 Qe2 76.Kg2 Qe1 77.Kh2 Qf2 78.Kh1 Qf3 79.Kg1 Qg3 80.Kf1 f3 81.h4 Qg2) 74...f5 (74...Ke1 75.h4 Qh4 76.Kg2 Ke2 77.Kg1 Kf3 78.Kf1 Qf2) 75.Re6 Qg7 76.Re8 Qf7 77.Re5 Qf6 (77...Qa7 78.h4 Qf2 79.Kh1 Qf3 80.Kg1 Qg3 81.Kf1 Qh3 82.Kf2 Qh2 83.Kf1 f3 84.Rd5 Ke3 85.Re5 Qe5 86.Kg1 Qg3 87.Kf1 Qf2) 78.Ra5 Ke2 79.Ra2 (79.Ra7 Kf3 80.Ra3 Kf2 81.Ra2 Kf1 82.Rd2 f3 83.Rd1 Ke2 84.Rg1 Qe5 85.Kh1 f2 86.Rg2 Kf3 87.Rg5 f1Q 88.Rg1 Qh3) 79...Kf3 80.Kg1 (80.Ra3 Kf2 81.Ra2 Kf1 82.Rc2 f3 83.Rc1 Ke2 84.Rc2 Ke3 85.Kh1 Qa1 86.Kh2 f2 87.Re2 Ke2 88.Kg3 Qg7 89.Kh4 f1Q 90.Kh5 Qh3) 80…Qg5 (80...Qg5 81.Kf1 Qg2 82.Ke1 Qg1 83.Kd2 Qf2 84.Kd3 Qa2 85.Kd4 Qa5 86.Kc4 Kg3 87.Kd4 f3 88.Kd3 f2 89.Ke2 Qc3 90.h4 Kg2 91.Kd1 f1Q; 80...Qg6 81.Kf1 Qg2 82.Ke1 Qg1 83.Kd2 Qf2 84.Kd3 Qa2 85.Kd4 Qa5 86.Kd3 Kg3 87.Kc2 f3 88.Kd3 f2 89.Kc4 f1Q 90.Kd4 Kh3 91.Ke3 Qc3) 0–1. Simacek,V (1830) – Medunova,V (2100), 6th Arber Open, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5)

    6.a3 Bg4 7.Be2 e6 8.0-0 Nf6 9.ab4 Bb4 10.h3 Bh5 11.c4 Qd8 (11...Qd7 12.Bb2-/+) 12.g4+= Bg6 13.g5 Bf5?? (better is 13...Bb1 14.Rb1 Ne4+=) 14.gf6+- Bh3 15.d5 (15.fg7 Rg8 16.Bg5 Rg7-/+) 15...ed5 (15...Bf1? 16.fg7 (worse is 16.Qf1 Qf6 17.Ra4 Qg6 18.Bg5 Nd4 19.Rb4 Nf3 20.Bf3 Qg5 21.Bg2 Rb8+=; 16.Bf1?! gf6 17.Qb3 Rg8 18.Kh1 Qc7+/-; 16.dc6 Be2 17.Qe2 Qf6 18.cb7 Rb8=) 16...Rg8 17.Kf1 (17.Bf1?! Rg7 18.Kh1 Qd6+=) 17...ed5 18.cd5 Rg7 19.dc6 Qd1 20.Bd1 bc6 21.Nbd2+-) 16.cd5 (16.fg7?! Rg8 17.Kh1 Bf1 18.Bf1 A) worse is 18...Rg7 19.cd5 (worse is 19.Qd5 Qf6 20.Ra2 Qg6 21.Re2 Kf8-/+) 19...Qd6 20.Na3+=; B) 18...d4=) 16...Qf6 17.dc6 0-0? (17...Qc6 18.Qd4 Bf1 19.Bf1 0-0+-) 18.cb7 Rad8 (18...Qa1 19.Qb3 (19.ba8N?! Bf1 20.Qf1 Qb1+/-; 19.ba8B?! Bf1 20.Be4 Be2 21.Qe2 Qf6+-) 19...Bf1 A) 20.Bf1?! Rab8 21.Qb4 Qf6+/-; B) 20.Kf1?! Rab8 21.Qb4 Qf6+/-; C) 20.ba8R?! Be2 21.Ng5 Qf6 (21...Ra8 22.Qf7 Kh8 23.Qf5 Qb1 24.Qb1 Kg8 25.Qe4 Bg4 26.Qd5 Be6 27.Qe6 Kh8 28.Qf5 g6 29.Qf7 Rd8 30.Qh7) 22.Qb4 Ra8=; D) 20.ba8Q Ra8 21.Kf1+-) 19.Qc2 Bf1 20.Bb2 (20.Bf1 Qf3 (worse is 20...Qa1 21.Ng5 g6 22.Ne4+=) 21.Be2 Qb7+=) 20...Qe6 (20...Qb6 21.Bf1 (21.Kf1?! Qb7 22.Qf5 Rd6+-) 21...Qb7 22.Ng5+-) 21.Bf1 Qg4 22.Bg2 Rd6 23.Be5 Rg6 24.Bg3 Bd6 25.Ra4 Qe6 26.Re4 Qf6 27.Rc4 Bg3 28.Rc8 Bd6 29.Rf8 Kf8 30.Nbd2 Qf4 31.Qd3 Ke7 32.Nf1 Bb8? 33.Nd4 Qc7 34.Qa3 Ke8 35.Qa4 Kf8+= 36.Qb4 Ke8 37.Nf5 Rg5? 38.Qe4 Kf8+/- 39.Qb4 Ke8 40.N1g3 g6?? 41.Ng7 Kd7+- 42.Bh3 Kc6+= 43.Ne8 Rg3 44.fg3 Qg3? 45.Bg2+- Kd7 46.Nf6 Ke6 47.Nd5 Qh2? 48.Kf1+- Bd6?? 49.Qb3 Kd7 50.Qb5 Kd8 51.Qc6 Bc7 52.Qf6 Kd7 1–0. Rodionov,Yuri (2135) – Okhotin,Evgeny (2215), 2012. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5)

    6.c4 Qd7 7.d5 Na5 (7...Nb8 8.Bd3=) 8.Be2 (8.Ne5!? Qc7 9.Bf4+/-) 8...e6 9.0-0 Qd6? (9...ed5 10.Re1 (worse is 10.cd5 Nf6-/+) 10...Bd6 11.Qd5= (worse is 11.cd5 Ne7+=)) 10.Bb2?? (better is 10.Qa4 Nc6 11.Rd1+-) 10...Bd7 11.de6 Qd1 (better is 11...Qe6!? 12.Re1 Ne7+=) 12.ef7+/- (worse is 12.Rd1 Be6 13.Nbd2 Rd8=) 12...Kf7 13.Rd1 (13.Bd1?! Nc4 14.Bb3 b5+=) 13...Ke8 14.Nbd2 Nc6 15.Re1 Nf6 16.Bd3 Be7 17.Ne5 Rf8 18.Nd7 Kd7 19.Nb3 Rad8 20.Rad1+/- Kc7 21.h3 b6? 22.Bc2 Bc5 23.Nc5 bc5 24.Rd8 Rd8= 25.f3? Rd2-/+ 26.Rc1 Nh5 27.Ba1 Nf4 28.Bd1 Rg2 29.Kf1 Ra2 30.Bg7 Nh3 31.Bc2 Ra3 32.Be4 Nd4 33.Be5 Kb6 34.Kg2? Ng5 35.Bd4 cd4 36.c5 Kc7 37.Rc4 Ne4 38.fe4 b3 39.Rd4 Ra2 40.Kf3 a5 41.e5 Rc2 42.e6 Rc5 43.e7 Re5 44.Rc4 Kd7 45.Rd4 Ke7 0–1. Allen,Tim – Meijer,Wim, OGD Prinsenstad – C, 2012. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.c4 Qd7 7.Be2 e6+= 8.0-0 Nf6 9.Bf4 Be7 10.Qd3 0-0 11.Nbd2 Rd8 12.Nb3 b6 13.Rad1 Ba6 14.Ne5 Ne5 15.Be5 Rac8 16.Qc2 (better is 16.Rc1!?-/+) 16...Nd5!-+ 17.Rc1 (17.cd5 Rc2 Pinning (17...Rc2 Deflection)) 17...Nc3 18.Rfe1 Bc4 19.Bc4 Rc4 20.Qd3 Rdc8 21.h3 (21.Rc2 a5 22.Qh3 a4-+) 21...f6 22.Bg3 e5 23.Qe3 Nd5 24.Qe2 Rc1 25.Nc1 ed4 26.Nb3 Bc5 27.Qd2 Nc3 28.f3 Re8 29.Re8 Qe8 30.Kh1 Qe3 31.Qb2 d3 32.Nc5 Qc5 33.Bf2 Qc4 34.Be1 a5 35.a3 b5 36.ab4 ab4 37.Bd2 Kf7 38.Be1 Qc5 39.Bf2 Qe7 40.Qb3 Kg6 41.Bd4 Qd6 42.Bc3 bc3 43.Qc3 d2 44.Qc2 f5 45.Qd1 b4 46.g4 fg4 47.hg4 Qd3 48.Kh2 b3 49.Kg3 b2 50.Qa4 d1Q 51.Qc6 Qd6 52.Qd6 Qd6 53.f4 b1Q 54.Kh4 Qh1 55.Kg3 Qd3 56.Kf2 Qh2 57.Ke1 Qde2# (57...Qhe2) 0–1. Lauer Smith,Jade – Lip,Catherine, AUS–ch U18 Girls, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.c4 Qh5 7.Be2 Nf6 8.d5 Ne5 9.Nbd2 g6 (9...b5!?=+) 10.0-0 Nf3 11.Bf3 Qe5 12.Rb1 Bg7 13.Re1 Qd6 14.a3 (14.Qa4 Kd8+=) 14...ba3= 15.Qa4 Bd7 (15...Qd7!? 16.Qa3 h6+=) 16.Ba3 Ba4 17.Bd6 0-0 18.Be7 Rfe8 (better 18...Rfb8!?+/-) 19.Rb7+- Nd7 20.d6 Nc5 21.Rc7 Rac8 22.Ra7 Bd7? (better 22...Bc3 23.Ra4! Bd2+-) 23.Ne4 Nd3 24.Rf1 (24.Rd1!? Ne5 25.Nf6 Bf6 26.Bf6 Nf3 27.gf3 Re6+-) 24...Ne5 25.Nf6 Bf6 26.Bf6 Nf3 27.gf3 Re6 28.Rd7 (28.Be7!? Bc6+-) 28...Rf6 29.Rc1 Rc5 (29...Rf5 30.Re7 Kg7 31.Rd1+-) 30.Rd8 Kg7 31.Rd1 Rg5 (31...Rc6 32.d7 Rb6 33.c5+-) 32.Kf1 Rf3 (32...Rd6 33.R8d6 Rh5 34.Kg2 Rg5 35.Kh1+-) 33.Re8 (better 33.d7!? Rh5 34.h4 Rf4+-) 33...Rgf5 (33...Ra5 34.d7 Ra2 35.d8Q Rff2 36.Ke1 Rh2 37.Rg8 Kh6 38.Qf8 Kh5 39.Rd5 f5 40.Rf5 Kg4 41.Rf4 Kh5 42.Qf6 Rh1 43.Rf1 Rf1 44.Kf1+-) 34.Re2 1-0. Bellahcene,B (2500) - Maze,S (2555), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    6.c4 Qh5 7.Be2 Bg4 8.Bb2 e6 9.h3 Nf6 10.Nbd2 Be7 11.Nf1 (11.0-0!? Bf5 12.Ne5=+) 11...Bf3-/+ 12.Bf3 Qa5 13.Nd2 0-0 (13...Rd8 14.Nb3 Qc7 15.Qe2=+) 14.0-0 (14.d5 Nd8=) 14...Rfd8 15.Nb3 (15.d5 ed5 16.Nb3 dc4 17.Na5 Rd1 18.Rad1 Na5 19.Bf6 Bf6=+) 15...Qc7 16.Re1 White intends d5 (16.Qe2 Qf4=+) 16...a5 17.d5 a4 18.Nd4 Nd4 19.Qd4 a3 20.Bc1 Rac8 21.Be2? (better 21.Be3-/+) 21...ed5-+ 22.Bf4 (22.cd5 Nd5 23.Qe4 Bf6-+) 22...dc4 23.Bc7 Rd4 24.Be5 Rd2 25.Bf4 (25.Bc4 Rc4 26.Bf6 gf6 27.Re7 Rcc2 28.Rb7 Rf2 29.Rb4 Rg2 30.Kf1 Ra2-+) 25...Rd7 (25...Rb2 26.Bc1 Bc5 27.Bb2 ab2 28.Rab1-+) 26.Rac1 b5 27.Bd1 Bc5 28.Bg5 (28.Bc2 Rcd8-+) 28...Rd5 29.h4 h6 30.Bf3 (30.Bf6 gf6 31.Kf1-+) 30...hg5 31.Bd5 Nd5 32.Re5 (32.Red1 Nc3 33.Rd2 b3 34.Rc3 Bb4-+) 32...Nf4 33.Re4 (33.Rd1 gh4 34.Rf5 Ne6-+) 33...Nd3 34.Rc2 b3 (34...b3 35.Ree2 b2-+) 0–1. Serafim,Paulo Rogerio – Pimentel,Rafael Favarin G (1920), 3rd Floripa Chess Open, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.c4 Qh5 7.Be2 Bg4 8.h3 Bf3 9.Bf3 Qg6 10.d5 Nb8?? (better 10...Ne5 11.Nd2 Nf3 12.Qf3 e6=) 11.Bb2 Nd7 12.0-0 Qd6 (12...Ngf6 13.a3 b3 14.Qb3+-) 13.Re1 Ngf6 14.Nd2 (14.a3 0-0-0+-) 14...a5 (14...e6 15.Nb3 Qb6 16.Bh5+-) 15.a3 Rc8 (better 15...Ra6+-) 16.Qa4 b6 (16...h5+-) 17.Re2 (better 17.Bf6 gf6 18.Ne4+-) 17...Kd8 18.Qd1 ba3 19.Ba3 Nc5 (19...Qc7 20.Re3+-) 20.Nb3 g6 (20...h5 21.Nc5 Rc5 22.Bc5 Qc5 23.Rb1+-) 21.Bc5 (21.Nc5!? Rc5 22.Qd4 e5 23.Re5 Nd7+-) 21...Rc5 22.Nc5 Qc5 23.Rb1 Bg7?? (better 23...Nd7+-) 24.Rb5 Qc7 (24...Qc4 25.Rb6 Nd7 26.Rc6+-) 25.c5! bc5 (25...Nd7 26.Re7!! Re8 27.d6+-) 26.Qb3 Nd7 27.Rb7 Qd6 28.Qb5 Bc3 29.Ra7 Nb8 (29...h5 30.Re3 Bd2 31.Qb2+-) 30.Bg4 (30.Ree7 f5 31.Reb7 Qh2 32.Kh2 Be5 33.g3 Bc7 34.Rc7 Nc6 35.Qc6 a4 36.Qd7) 30...f5 (30...Be5 31.Re5! Qe5 32.Rb7+-) 31.Bf3 (31.Ree7 Be5 32.Reb7 Bh2 33.Kf1 Qc7 34.g3 Bg3 35.fg3 Ke7 36.Rc7 Kf6 37.Qb2 Kg5 38.Rf7 fg4 39.Qd2 Kh5 40.Rh7 Rh7 41.Rh7) 31...Be5 32.Qa5 (better 32.Re5 Qe5 33.d6 Qe1 34.Kh2 Qe5 35.g3 Qd6+-) 32...Ke8 33.Qb5 (better 33.Qe1 Nd7 34.Ra8 Kf7 35.Rh8 Bh8 36.Re6+-) 33...Kf7 34.Qb3 Nd7? (better 34...Rd8+-) 35.Qa4 (better 35.Rd7!? Bh2 36.Kh1 Qd7 37.Kh2 Qd6 38.g3 Rb8+-) 35...Nf6? The isolani on d5 becomes a target (35...Nb6 36.Qd1+-) 36.Qc6 (better 36.Qa2!? c4 37.Qc4+-) 36...Rb8 37.Re1 Rb6 (37...Kg7+-) 38.Qa4 (better 38.Qc8!? Kg7 39.g3+-) 38...Rb4+= (38...Nd5?? 39.Rd7 Nc3 40.Rd6 Na4 41.Rb6 Bh2 42.Kh2 Nb6 43.Rc1+-) 39.Qa3 (39.Qa2 Rb2 40.Qc4 Rb4+=) 39...Ne4 (39...Nd5?? 40.Qa2 c4 41.Bd5 Qd5 42.Ra5+-) 40.Be4 fe4 41.Qe3 (41.Qc1 h5+= (worse 41...Qd5 42.Qh6+-)) 41...Bd4 (41...Bf4 42.Qc3 Rd4 43.Qb3=) 42.Qg5 (42.Qh6 Kg8 43.Ra8 Rb8 44.Rb8 Qb8 45.Qh4+-) 42...Bf6? (better 42...Qf6!? 43.Qf6 Kf6=) 43.Qh6+- Bg7 (43...Kg8 44.Ra8 Rb8 45.Rb8 Qb8 46.Qc1+-) 44.Qh7 Rb2? (44...Qd5!? 45.Rc7 Qd2 46.Re7 Ke7 47.Qg7 Kd6 48.Qg6 Kd5 49.Qh5 Kc6+-) 45.Qh4 (better 45.Ra8!? Rb8 46.Rb8 Qb8+-) 45...Bd4 46.Rf1 Bf6 (46...c4 47.Qh7 Bg7 48.h4+-) 47.Qe4 (47.Qh7 Bg7 48.f4 c4+-) 47...Rb4 (47...Rd2 48.Rc1+-) 48.Qe2 (better 48.Qf3+-) 48...Qf4? Black plans c4 (better 48...c4 49.Re1 c3+-) 49.Re1 (49.Qe6!? Kf8+-) 49...Qd6 50.Qe3 (better 50.g3 Rd4 51.Qe6 Qe6 52.de6 (52.Re6?! Rd5 53.Re4 Rd2+-) 52...Kg7 53.Rc1+-) 50...c4?? (50...Kg7+-) 51.Qh6 c3 (51...Rb8 52.h4 Qb4 53.Qh7 Kf8+-) 52.Qh7 Ke8 53.Qg8 1–0. Netusil,M (2230) – Koper,S (1840), Vera Menchik Mem Rapid, 2018. (=1.Nf3 c5 2.e4 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.Be2 e5 7.de5 Qd1 8.Bd1 Bc5 9.Bb2 Be6 10.Ng5 Nh6 11.Ne6 fe6 12.0-0 (12.Nd2!?=) 12...Nf7+= 13.Bg4 Nd4 (better is 13...Bd4 14.c3 bc3 15.Nc3 Nfe5-/+) 14.Bd4? (better is 14.Nd2+=) 14...Bd4-+ 15.c3 bc3 16.Na3 Ke7 17.Nc2 Bc5 (17...Ne5?! 18.Nd4 Ng4 19.Ne2-+) 18.Rfe1 (18.Rab1 b6 19.Bf3 Rac8-+) 18...Nh6 (better is 18...Rad8!? 19.Re2-+) 19.Bf3 Rhf8 20.Rab1 Rab8 (20...b6!? 21.Re4-+) 21.Rb3-/+ Bb6 22.Rd1 Nf7 23.Re1 (better is 23.Rc3!? Ne5 24.Ne1-/+) 23...Ng5-+ 24.Re2 Nf3 25.gf3 Rf3 0–1. Dybner – Johansson, corr SWE, 1986. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.Be2 e6 7.0-0 Nf6 8.a3 a6 9.ab4 Bb4 10.c4 Qd8 11.Qb3 0-0 (11...Nd4 12.Nd4 Qd4 13.Qb4+-) 12.Rd1 Bd6 13.Bb2 Qe7 14.Ne5 Nd7 15.Nc6 bc6 16.c5 Bc7 17.Bf3 White plans d5 17...Rb8 18.Qc2 e5 (18...Nf6 19.Nd2-/+) 19.Re1 (better is 19.Bc6!? ed4 20.Bd4=) 19...Qf6-/+ 20.d5 (20.Be4 ed4 21.Bh7 Kh8-/+) 20...cd5 21.Bd5 Re8 22.Nd2 Rb5 23.Ne4+= Qg6 24.Rac1 Nf8 25.Re3 Bf5 26.Rg3 Qh6 27.Re1 Be4 28.Be4+= Ba5 29.Rd1 Bb4? 30.Rh3+/- Rc5 31.Qd3 Qf6 32.Bh7+= Nh7?? 33.Qh7+- Kf8 34.Rd7 g6 35.Rf3 Rec8 36.Rf7 (36.Rf7 Qf7 37.Qf7#; 36.Rf6?? Rc1 37.Bc1 Rc1 38.Rd1 Rd1) 1–0. Bertram,Andreas – Mach,Holger (2270), Oberliga Nord N, 1995. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.Be2 Nf6 7.c4 Qd6 8.0-0 +=.

    6.Be2 Bg4 7.0-0 (7.c4 Qd6 8.d5 Bf3 9.Bf3 Ne5=) 7...Rd8 (7...Nf6 8.c4 Qd7 9.d5 Bf3 10.gf3+=) 8.Bb2 (8.c4 Qe6 9.Bb2 Bf3 10.Bf3 Qc4=) 8...e6 (8...Nf6 9.Nbd2+=) 9.a3 (9.h3 Bf3 10.Bf3 Qb5=) 9...Nf6+= 10.ab4 Bb4 11.h3 Bh5 (11...Bf5 12.c3 Be7 13.Nbd2+=) 12.c4 (12.c3 Be7+=) 12...Qd6 (12...Qd7 13.Qb3+=) 13.Qb3 (13.Na3 Qd7+=) 13...0-0 (13...Bf3 14.Bf3 Nd4 15.Bd4 Qd4 16.Na3+=) 14.Rd1 (14.Na3 Qf4+=) 14...a5 (14...Ne4!?-/+) 15.Na3= Rfe8 (15...Ne4 16.Nb5 Qe7 17.Qc2+=) 16.Nc2 (16.Qe3 Qe7=) 16...Bg6 (16...Qe7 17.Nb4 Qb4 18.Qc2+=) 17.Ne5 Be4 18.Nd3 (18.c5 Bc2 19.Qc2 Qc7=) 18...Qe7 (18...Ra8 19.Qa4=) 19.Ndb4 (19.Ncb4 Nb4 20.Bc3 Bd3 21.Bd3 b6= (worse is 21...Nd3 22.Rd3 Ra8 23.Ba5+=)) 19...ab4+= 20.Ra4 (20.Ne3 h6+=) 20...b6 (20...Ra8 21.Ne3+=) 21.Bd3 Rc8 22.Nb4+= Na5 23.Qa2 Bd3 24.Nd3+/- Red8 25.Ne5 Qc7 26.Bc3 Ne4 27.Ba5 ba5 28.Qc2 Nd6 29.c5 Nf5 30.Qa2 Rd4 31.Rdd4 Nd4 32.Rd4 Qe5 33.Qd2 Qc5-/+ ½–½. Dimitriadis,Konstantinos (2340) – Vragoteris,Antonios (2335), GRE–chT Poros, 1998. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.Be2 g6 7.0-0 Bg7 Now all is on d4 8.Be3 (8.c4 Qd7 9.Bb2=) 8...Nf6 (8...Nh6 9.a3 Nf5 10.ab4 Ncd4 11.Nd4 Nd4 12.Ra3-/+) 9.a3+= ba3 (9...0-0!?+=) 10.c4= Qd8 11.d5 (11.Ra3 Ng4=) 11...Nd5 (11...Na5 12.Ra3 0-0 13.Nc3=) 12.cd5+= Ba1 13.Na3 Bg7 (13...Bf6 14.dc6 Qd1 15.Rd1 bc6 16.Nb5+=) 14.dc6 Qd1 (14...0-0 15.Qc1 bc6 16.Nc4+=) 15.Rd1 bc6 16.Nb5 0-0 (16...cb5) 17.Na7 Bb7 18.Rd7 Rab8 19.Re7 (19.Rc7 Rfd8+=) 19...Ba8 20.h4 (20.Rc7 Rb1 21.Bf1 Rb7 22.Rb7 Bb7+=) 20...Rb7 (20...Rfe8 21.Re8 Re8 22.Bc4=) 21.Rb7 Bb7 22.Nd4 The isolani on c6 becomes a target (22.Nd2 Bf6+=) 22...Bd4 23.Bd4 Rd8 (23...Re8 24.Be3+=) 24.Be3 Rd6 (24...Rd7 25.Kh2+=) 25.Bf3 Kg7 (25...f6 26.Kh2+/-) 26.g4 f6 27.Kg2 Kf7 28.Kg3 Ke8 (28...Ke6 29.Kf4+/-) 29.h5 (29.Be4 Re6 30.Kf4 Kd7+=) 29...Re6+= 30.Bd1 (30.Kf4 g5 31.Kg3 Kd7+=) 30...Rd6 (30...Re5 31.h6+=) 31.Bc2+/- Kf7 ½–½. Anderson,Renard – Yasin,Hur, Hallsberg opJ, 1975. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6)

    6.c4 Qa5

    7.Bb2 e6!? -/+.

    7.Bb2 Bf5 8.Nbd2= e6 9.d5 ed5 10.cd5? (better is 10.Nb3 Qd8 11.cd5 Qe7 12.Qe2 Qe2 13.Be2=) 10...Qd5-/+ 11.Bc4 Qd7 12.0-0 0-0-0 13.Rc1 (13.Qb3 Kb8 14.Bf7 Nf6+=) 13...f6 (better is 13...Kb8!?-+) 14.Qa4+= Kb8 15.Nb3? (better is 15.Bb5 Nge7 16.Nb3+=) 15...Nd4 16.Qa5 (16.Qd7 A) 16...Rd7?? 17.Nfd4 (17.Bd4?! Bd6+-; worse is 17.Nbd4 Bg4+-) 17...Ne7 18.Nf5+-; B) 16...Nf3 17.gf3 Rd7-+) 16...Nf3 17.gf3 b6 18.Qa6 Bh3 (better is 18...Bd6 19.Rfd1 Qc8-+) 19.Nd4?? (19.Rfe1 Rc8 20.Bb5-/+) 19...Qb7 (better is 19...Bf1 20.Rf1 Ne7-+) 20.Qb5? (better is 20.Rfd1 Ne7 21.Qa4-/+) 20...Bd7-+ 21.Qh5 g6 22.Qh4 Bh6?? 23.Qg3?? Qc7 24.Qc7+= Kc7 25.Bg8 Bc1 26.Rc1 Kb8 27.Bb3 Rc8 28.Re1 Bh3 1–0. Bolding,Klaus (2375) – Mercier,Jean Pierre (2230), FRA–chT2 France, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.Bb2 Nf6 8.d5= Nb8 9.Bd3 e6 10.0-0 Be7 11.a3 (11.de6 Be6 12.Nd4 Nc6 13.Ne6 fe6=) 11...0-0 (11...ed5 12.Re1 Be6 13.Nd4+=) 12.ab4 Qd8 (12...Qb4 13.Qc2 Re8 14.Ra4=) 13.de6+= Be6 14.Nd4 (14.Bc3 Nc6 15.Ra4 Nd7=) 14...Bg4 (better is 14...Bb4!? 15.Ne6 fe6+=) 15.Qb3 Nc6 16.Nc6 bc6 17.Na3 Rb8 18.b5 cb5 (18...a6 19.Be5 Bd6 20.Rfe1=) 19.Nb5 Bc5 20.Qc2 h6 21.Bc3 (21.Bf5 Bh5 22.Na7 Ra8+/-) 21...Qb6 (21...Rb7!?+=) 22.Ra7+/- Rbd8? (22...Rfe8 23.Rfa1+/-) 23.Ra2 (23.Ba5 Qb8 24.Bd8 Rd8+-) 23...Bc8 (23...Qc6 24.Rfa1+/-) 24.Rb2 (24.Ba5 Qc6 25.Be2+- (25.Bd8 Bb7 26.Be4 Ne4+=)) 24...Qc6 25.Be2 Ne4 26.Bf3 Bf5 27.Qc1 Qg6 28.Kh1 Nc3 29.Qc3 Rd3 30.Qe5 Bb6 31.c5+/- Bd8 32.Nd4 Bc8 33.Be4 Qa6 34.Bd3 Qd3= (34...Qd3 35.Rc1 Bf6=) 0–1. Djosic,S (2250) – Andrijevic,M (2330), Vrnjacka Banja SER, Central Ch, 2014. (=1.e4 c5 2.b4 cb4+= 3.Nf3 d5 4.ed5 Qd5 5.d4 Nc6 6.c4 Qa5)

    7.Nbd2 e6 8.Nb3 Qd8 9.d5 Na5 10.Bb2 Nf6 (10...f6 11.Qe2=) 11.Ne5 (better 11.de6!? Qd1 12.Rd1+=) 11...Nb3=+ 12.Qb3 Bc5 13.0-0-0 (better 13.Nd3!? b6 14.Nc5 bc5 15.Qf3=) 13...ed5-/+ 14.Qa4 Kf8 15.Bd3 (15.Nd3!? Bd7 16.Qb3-/+) 15...Be6 16.Kb1 Qc7 17.f4 a6 (17...dc4!? 18.Nc4 Qf4 19.Qb5-+) 18.f5-/+ dc4 (18...Bc8!? 19.cd5 Nd5-/+) 19.fe6=+ b5 20.Qc2 fe6 21.Be4 Rc8 (21...Ne4?? 22.Qe4 Ra7 23.Nd7 Ke7 24.Bg7+-) 22.Rhf1 c3 23.Nd7 Ke7 24.Nf6 gf6 25.Qe2?? (better 25.Bc1=+) 25...cb2-+ 26.Qh5?! (26.Qb2 Rhf8-+) 26...Qe5 (better 26...Be3 27.Qg4 Bg5 28.Kb2 Qh2 29.Rfe1-+) 27.Qh4 (27.Qe5 fe5 28.Kb2 Bd4 29.Kb1-+) 27...Be3 28.Bd3 Rc1 29.Rc1 bc1Q (worse 29...bc1B 30.Rc1 Bc1 31.Qb4 Kf7 32.Kc1 Rc8 33.Kd1-+; worse 29...bc1N 30.Rc1 Bc1 31.Qb4 Kf7 32.Kc1 Rc8 33.Kd1-+; 29...Bc1?! 30.Qb4 Kf7 31.g3-+) 30.Rc1 Bc1 31.Kc1 (31.Qb4 Kf7 32.Kc1 Rc8 33.Kd1 Qe3-+) 31...Rc8 (better 31...Qe3 32.Kb2 Qd3 33.Qb4 Kf7-+) 32.Bc2 (32.Kd2 Qb2 33.Ke3 Qg2 34.Qb4 Ke8 35.Qh4-+) 32...Qa1 33.Kd2 Qc3 34.Kd1 (34.Ke2 Qc2 35.Ke1 Qc1 36.Ke2 Rc2 37.Kf3 Rc3 38.Kf2 Qe3 39.Kf1 Rc1 40.Qe1 Re1) 34...Qc2 35.Ke1 Qc1 36.Kf2 (36.Ke2 Rc2 37.Kf3 Rc3 38.Kf2 Qe3 39.Kf1 Rc1 40.Qe1 Re1) 36...Rc2 (36...Qd2 37.Kf3 Rc3 38.Kg4 Qe2 39.Kf4 Qc4) 37.Kg3 (37.Kf3 Rc3 38.Kf2 Qe3 39.Kf1 Rc1 40.Qe1 Re1) 37...Qe3 38.Kg4 Rc4 (38...Rc4 39.Kh5 Rc5 40.Kg4 h5 41.Qh5 Rc4; 38...Qe2 39.Kg3 Rc3 40.Kf4 Qc4) 0-1. Tay,J (2230) - Rodriguez,Sa (2250), Titled Tuesday 9th June, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    7.Nbd2 Bg4 8.Bb2 e6=+ 9.d5 ed5 10.Nb3 Qd8 11.cd5 Qe7 12.Qe2 Bf3 13.gf3 Qe2 14.Be2 Nce7 15.0-0 (15.Bb5 Kd8=) 15...Nf5 (15...a6 16.Rfd1 Rd8 17.Nc5 Rd5 18.Nb7=) 16.Rac1 Bd6 17.Nc5 Rb8 18.Ne4 f6 19.Rfe1 (19.Nd6 Nd6 20.Rfd1 Ne7=+) 19...Nge7 20.Bf1 (better 20.Red1=+) 20...Kf7?? (20...Kd8 21.Bh3=+) 21.Bh3?? (better 21.Nd6 Nd6 22.Rc7+-) 21...Rhd8-/+ 22.Nd6 Rd6 (worse 22...Nd6 23.Rc7 Re8 24.Bd7+=) 23.Rc5 (23.Rc7 Kf8 24.Bd4 b6 (24...Nd4?! 25.Ree7 Nf3 26.Kg2=; worse 24...Nd5 25.Ba7 Rbd8 26.Rb7=+) 25.Ra7 Nc8 (25...Nd4 26.Ree7 Nf3 27.Kf1+-; 25...Rd5?! 26.Be3-/+) 26.Bf5 Na7-+) 23...Rbd8 (23...Kg6 24.Bf5 Nf5 25.Re4-+) 24.Rb5 (24.Rc7 R8d7 25.Rd7 Rd7 26.a3-+) 24...b6-+ 25.Rd1 (25.Rb4 Rd5 (25...Nd5?! 26.Ra4 Kg6 27.Kh1-/+) 26.Rbe4 Nc6-+) 25...g6 (25...a6 26.Rb4 Nd5 27.Ra4-+) 26.Bf1 (26.Rb4 Rd5 27.Rd5 Rd5-+) 26...Kg7 (26...a6 27.Rb4 b5 28.Rb3 Nd5 29.Ba3-+) 27.Rb4 Rd5 28.Re1 (28.Rd5 Rd5 29.Ra4 a5-+) 28...Nc6 (28...Rd2 29.a3-+) 29.Rbe4 Ncd4 30.Kg2 g5 (30...b5 31.Rc1-+) 31.f4 (31.Bc4 R5d6-+) 31...g4 (31...Nh4 32.Kh3 Nhf3 33.Re7 Kg6 34.Bc4 Ne1 35.Bd5-+) 32.Rc1 (32.Bc4 Rc5 33.Be2 h5-+) 32...R5d7 (32...Kg6 33.Rc7-+) 33.Ba6 (better 33.Bc4-+) 33...Nh4 (better 33...Nf3!? 34.Be2 Rd2-+) 34.Kg3=+ Nhf5 (34...Nhf3!? 35.Bc8 Rf7 36.Bg4 f5 37.Bf3 fe4 38.Be4 Kf8-/+) 35.Kg4 (35.Kg2 Kg6-+) 35...Kg6=+ 1–0. Bellahcene,Bilel (2510) – Holtman,Teodor (2295), World Junior Open, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qa5)

    7.d5 b3 8.Bd2 b2 9.Ba5 ba1Q 10.dc6 b6 11.Bc3 Qa2 12.c5 (better 12.Bd3 Be6 13.Nbd2=) 12...Bf5?? (12...Nf6 13.Bb5 Qd5=+) 13.Bb5+- f6?? (better 13...a6 14.cb6 ab5+- (14...Qb1 15.Qb1 e5 16.c7 Bd7 17.b7 Bc5 18.ba8Q Ke7 19.Qd8 Ke6 20.Qd7 Kf6 21.Be5)) 14.c7+- Kf7 15.0-0 Rc8 (15...e6 16.Qd8 Rd8 17.cd8Q+-) 16.Qd8 (16.Qd8 Nh6 17.Nd4 Rd8 18.cd8Q bc5 19.Bc6 cd4 20.Bd5 Qd5 21.Qd5 Kg6 22.Qd4+-) 1–0. Vitoux,Colomban (2385) – Nebolsina,Vera (2205), 99. Edward Lasker Memorial, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qa5)

    7.d5 Nb8 8.a3 e6 9.Bb2 ba3 10.Bc3 Bb4 11.Qb3 Bc3 12.Nc3 Nf6 13.Ra3 Qd8 0–1. Jones,Ian – Selmeczi,Jozsef (1700), 23. LSS No Engine Cup Preliminary, 2010. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    7.d5 Nb8 8.Bb2 Nf6 9.Bd3 e6 10.0-0 Be7 11.Re1 ed5 12.cd5 Qd5 13.Qc2 Nc6 14.Nbd2 0-0 15.Ne5 Ne5 16.Re5 Qd8 17.Rae1 Bd6 18.Rg5 h6 19.Bh7 (19.Rb5 a6 20.Bf6 Qf6-+ (20...gf6?! 21.Rh5+=)) 19...Kh8-+ 20.Rg7?? (better is 20.Bf6 Qf6 21.Rd5-+) 20...Kg7 21.Ne4 Re8 (21...Kh7?? 22.Nf6 Kg7 23.Qh7) 22.Rd1 Re4 23.Be4 Qc7 24.Qe2 Bh2 25.Kh1 Be5 26.Bb7 Bb2 (26...Qb7 27.Qe5 Qa6 28.Rd6 Qf1 29.Kh2 Qf2 30.Rf6 Qh4 31.Kg1+-; 26...Bb7 27.Be5 Qc6 28.f3-+) 27.Ba8 Qe5 28.Qe5 Be5 29.Rb1 Bc3 30.Rc1 Be6 31.a4 (31.Rc2 Bf5 32.Rc1 Ng4-+) 31...Bd5 (better is 31...b3-+) 32.Bd5 Nd5 33.g3 Nb6 34.a5 Nc4 35.a6 Nd2 36.f4 (36.Kg2 b3 37.Rc3 b2-+) 36...b3 37.f5 (37.Kg2 b2 38.Rh1 f5-+) 37...b2 38.f6 Kg6 (38...Kg6 39.Rd1 Kf6-+) 0–1. Goldsmith,Alan (2285) – Sutherland,John (2055), Australian op, 1999. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qa5)

    7.d5 Nb8 8.Nbd2 Nf6 9.Nb3 Qd8 10.Nbd4 Na6 11.a3 (11.Bd3 g6=) 11...ba3 12.Ba3 g6 13.Bd3 Bg7 14.Qe2 Qa5 15.Nd2 0-0 16.0-0 (16.Qe7?? Re8 17.Qe8 Ne8-+) 16...Re8 17.N2b3 (17.Be7!? Qb6 18.N2f3=) 17...Qd8+= 18.Rad1 (18.Rfe1 e5 19.de6 Be6 20.Ne6 Re6+=) 18...Bd7 (18...e5 19.de6 Be6 20.Ne6 Re6 21.Qf3+=) 19.Bb1 Rc8 20.Ne6 Qb6 21.Ng7 Kg7 22.Nd4 Bg4 (22...e5 23.de6 Be6 24.Ne6 Re6 25.Qd2+=) 23.f3+= e5 (better is 23...Bd7!? 24.Be7 Ba4+=) 24.fg4+/- ed4 25.Qf2 Rc7? (25...Ng4!? 26.Qf7 Kh8+/-) 26.d6 (26.Bb2!? Ng4 27.Bd4 Kg8+-) 26...Ng4 27.Qf4 d3 28.Kh1 Ne3 29.dc7 Nf1 30.Rf1 (30.Qf1?! Nc7 31.Qd3 Kg8+-) 30...f5 31.Bd6 d2 (31...Qc6 32.Bd3 Nc7 33.Bc7+-) 32.Qd2 (better is 32.Qe5! Re5 33.Be5 Kh6+-) 32...Nc7 33.c5 (33.c5 Qb5 34.Bd3+-) 1–0. Yilmazyerli,M (2350) – Okus,M (2020), Denizli TUR, Team Ch, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5)

    7.d5 Nd8 8.a3 e6 9.Bb2 Nf6 10.ab4 Qb4 11.Bc3 Qb6 12.Bd3 ed5 13.cd5 Nd5 14.0-0 Ne6 15.Ba5 Qc5 16.Qb3 Be7 17.Nbd2 Ndf4 18.Bb5 Kf8 19.Rfe1 a6 20.Bc3 Kg8 21.Ne4 Qc7 22.Be5 Qb6 23.Qa4 Ng6 24.Bc4 (24.Bc4 Qd8 25.Rad1+=) 1–0. Jones,Ian – Florea,Valentin (1995), ZH–2009–0-00253, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.d5 Nd8 8.Nbd2 e6 9.Nb3 Qa4 10.Bb2 Nf6 11.d6 Bd7 12.Ne5 Nc6 13.f4 Rc8 14.Be2 Ne5 15.fe5 Ne4 16.Qd4 f5?? (16...Nc3 17.Bc3 bc3 18.Qc3 f6+/-) 17.ef6!+- Nf6 (17...Nf6 18.Qf6; 17...gf6 18.Bh5 Mate attack) 18.0-0 (18.Qf6 Rc4 (18...gf6?? 19.Bh5 Kd8 20.Bf6 Be7 21.Be7) 19.Bh5 g6 20.Qh8 Re4 21.Be2 Re2 22.Ke2 Qc6+-) 18...Qc6? (18...Rg8 19.Qh4 Bd6 20.Bf6 gf6 21.Qf6+-) 19.Rf6 (better is 19.Qf6! Qg2 20.Kg2 Bc6 21.Kh3 gf6 22.Bh5 Kd7 23.Rf6+-) 19...gf6 (19...Qd6 20.Qf2 gf6 21.Bh5 Kd8 22.Qf6 Be7 23.Qh8 Kc7 24.Qh7 Kd8+-) 20.Bh5 (20.Bh5 Kd8 21.Qf6 Be7 22.Qe7) 1–0. Saulespurens,Valdis (2380) – Burijovich,Liliana (2205), Internet Section, 2004. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qa5)

    7.Be2 Bf5 +=.

    6.c4 bc3

    7.Nc3 Qc5?? 8.dc5+- (8.dc5 g6 9.Nd5+-) 1-0. Soubirou,O (2140) - Villeneuve,Samuel (1805), ch-FRA Blitz Online Qual, 2020.

    7.Nc3 Qd6 8.Nb5 Qb8 9.d5 Nd8?? (9...Ne5 10.Bf4 Nd3 11.Bd3 Qf4+=) 10.Qc2+- f6 11.Nc7 (11.Qa4!? Bd7 12.Bf4 Qc8+-) 11...Kf7 12.Bc4 e5? (12...Qc7 13.d6 Qc4 14.Qc4 Be6+-) 13.d6 Be6 (13...Ne6 14.Ne6 Bd6 15.Neg5 Kf8 16.Nh7 Ke7 17.Qg6+-) 14.Ne6 Ne6 15.Qf5 Qd6 16.Ng5 Ke8 17.Ba3 Nc5 18.Bc5 (18.Bc5 Qc5 19.Bf7 Ke7 20.Qe6 Kd8 21.Rd1 Kc7 22.Rd7 Kb8 23.Qe8 Qc8 24.Rd8+-) 1–0. Danger,Stephane (1830) – Vautrelle,Philippe (1990), Bethune op, 2004. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    7.Nc3 Qd6 8.d5 Ne5 9.Bf4 Nf3 10.Qf3 Qb4 (10...e5 11.de6 Qe6 12.Be2=) 11.Bb5 Bd7? (better 11...Kd8+=) 12.Bd7+- Kd7 13.0-0 (13.Rb1 Qc4 14.Rb7 Ke8+-) 13...Nf6 (better 13...Qc4!?+/-) 14.Rab1 Qa3 (better 14...Qc4 15.Rb7 Kd8+-) 15.Rb7 Ke8 16.Re1 (better 16.d6 Rc8 17.d7 Nd7 18.Qd3+-) 16...Rc8 17.Be5 Nd7 (17...Qa6 18.d6 Qc6 19.Rc7+-) 18.Bd4 (better 18.Qf5 Rd8 19.Nb5+-) 18...Rc4 (18...Rb8 19.d6 f6 20.Qh5 Kd8+-) 19.Ra7 (better 19.Qf5 Qd6 20.Nb5 Rc6+-) 19...Qd6 (19...Ne5 20.Qh3 Qa7 21.Ba7+- (21.Be5?! Kd8+/-)) 20.Ra8 Nb8 21.Be5 Rc3 (21...Qd8 22.Rb8 Rc8+-) 22.Qc3 Qd8 23.Rb1 (23.Rb1 f6 24.Rab8+-) 1-0. Sochacki,W (2320) - Henry,T (1975), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    7.Nc3 Qh5 8.Be2 Bg4 9.0-0 e6 10.h3 (10.Qb3 0-0-0 11.Rb1+/-) 10...Bh3 (10...Qa5 11.hg4 Qc3 12.Rb1=) 11.gh3 (better is 11.Ng5!? Qh4 12.Nb5+/- (12.gh3?! h6 13.Qb3 Bb4+/-)) 11...Qh3= 12.Bf4 h5 (12...Nf6 13.Rc1=) 13.Bh2 (13.Nb5 Rd8+=) 13...Nf6= 14.Qc1 (14.Nb5 Nd5=) 14...Ng4 (14...Rd8 15.Rd1+=) 15.Qf4 (15.Bg3 Nf6=) 15...Nh2+= 16.Qh2 Qg4 17.Qg3 Bd6 (worse is 17...Nd4 18.Nd4 Qg3 19.fg3+/-) 18.Qg2 Rh6 (worse is 18...Nd4 19.Nd4 Qd4 20.Nb5+=) 19.Rfd1 0-0-0 20.Qg4 hg4 21.Ne5 Rdh8 (21...Be5 22.de5 Rdh8 23.Rac1 Ne5 24.Ne4 Kb8 25.Ng3-/+) 22.f4 (22.Ng4 Rh3 23.d5 ed5 (worse is 23...Rc3 24.dc6 Rc6 25.Bf3+=) 24.Nd5 Nd4+=) 22...Ne5 (22...Rh1 23.Kf2 R8h2 24.Ke3 Rh3 25.Kf2 Rd1 26.Nd1 g3 27.Kg1 Rh2 28.Nc6 bc6-/+ (28...Re2?! 29.Ne5=)) 23.fe5= (23.de5? Bc5 24.Kg2 Rh2 25.Kg3 R8h3 26.Kg4 Rc3-+) 23...Rh1 24.Kf2 R8h2 (better is 24...R1h2!? 25.Kf1 Bb4=) 25.Ke3+/- Rh3 26.Kd2 (26.Kf4 R1h2 27.Ne4+/- (worse is 27.Bg4 Rf2 28.Ke4 Rc3 29.ed6 Kd7-/+)) 26...Rd1= 27.Rd1 Bb4 28.Rc1 Kd7 29.Bg4 Rh2 (29...Rh4 30.Rg1 Rh2 31.Kd3 Bc3 32.Kc3 Ra2 33.Bd1+=) 30.Kd3 (30.Kd3 Bc3 31.Kc3 Ra2 32.Bh5=) 1–0. Fernandez Muixi,Francesco (2185) – Orriols Brunetti,Marc (1955), Catalunya–chT, 1998. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    8.Bd2 e6

    8.Rb1?? e6?? 9.Bd2 Bb4 10.Rb4 (10.Nb5 Bd2 11.Qd2 Qd2 12.Kd2 Ke7=) 10...Qb4=+ (10...Nb4 11.Nb5 Bd7 12.Nd6 Ke7 13.Qb3 (13.Nb7 Qa3-/+) 13...Qa2 14.Qb4+-) 11.d5 (11.Nb5!? Qe7 12.Bf4-/+) 11...ed5-+ 12.Nd5 Qe4 13.Be3 Bd7?? (better 13...Kf8-+) 14.Nc7+- Kd8 15.Na8 Qb4 (15...Nb4 16.Ng5 Nc2 17.Ke2 Ne3 18.Qd7 (18.Ne4?! Nd1 19.Kd1 Bc6=; 18.fe3?! Qc4 19.Qd3 Qd3 20.Kd3 Nh6+=; 18.Nf7?! Ke7 19.Qd6 Kf7 20.Qd7 Ne7 21.fe3 Ra8=) 18...Kd7 19.Ne4+=) 16.Bd2 Qg4 17.Be2 Qg2 (17...Qe6 18.a3+-) 18.Rg1 Qh3 19.Bf4 (better 19.Rg7 f6+-) 19...Nf6 (19...g6 20.Qd6 Nge7+-) 20.Ng5 (worse 20.Rg7 h6+-) 20...Qf5 21.Nf7 Ke7 22.Qd6 (better 22.Nh8 Qf4 23.Rg7 Kd8 24.Nf7 Kc8 25.a3+-) 22...Kf7-/+ 23.Bc4 Be6 24.Qc7 Ne7 25.Rg7 Kg7 26.Qe7 Kg6 27.Be6 Qf4 28.Qf7 Kh6 29.Nc7 (29.Nb6 ab6 30.Kf1 Qf3-+) 29...Rd8 (better 29...Qb4 30.Ke2 Rf8 31.Qf8 Qf8-+) 30.Bb3 (30.Bd5 Qe5 31.Kf1 Nd5-+) 30...Rd7 (30...Qc1 31.Ke2 Rd2 32.Kf3 Qh1 33.Kg3 Rd3 34.f3 Rf3 35.Kh4 Qh2) 31.Qf8-+ Kh5 (better 31...Kg6 32.Bc2 Kh5 33.Qc5 Kh4-+) 32.Ne6?? (32.Qc5 Kh4 33.Ne6 Qd2 34.Kf1 Qd3 35.Kg1 Qb1 36.Kg2 Qe4 37.Kg1 Qg4 38.Kh1 Rd3-+) 32...Qe4 (32...Qc1 33.Ke2 Rd2 34.Kf3 Qh1 35.Ke3 Qe1 36.Kf4 Rf2 37.Kg3 Qe3) 33.Kf1-+ Qh1 34.Ke2 Qe4 35.Kf1 Qh1 36.Ke2 Qe4 (better 36...Qc1 37.Qb4 Qb2 38.Kf3 Qe5-/+) 37.Kf1= ½-½. Abdrlauf,Elham (2365) - Harika,D (2515), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Rb1)

    8.Rb1?? e6?? 9.Bd2 Qd8 10.Bb5 Bd7 11.0-0 Nf6 12.Bf4 Be7 13.Ba4 0-0 14.Rb7 Nd5? (better is 14...Na5 15.Rc7 Rc8 16.Rc8 Bc8=) 15.Nd5+- ed5 16.Rd7! Qd7 17.Ne5 Qf5 (17...Ne5!? 18.Bd7 Nd7+/-) 18.Nc6 (18.Bc6?! Qf4 19.Ba8 Ra8+=) 18...Qf4 19.Ne7 Kh8 20.Nd5 Qd6 21.Qf3 Rad8 22.Bb3 Qc6 23.Rd1 a5 24.Qc3 Qa6 25.Bc4 Qa7 26.Qh3 Rd6 27.Qh4 Rh6 28.Qe4 Qb8 29.h3 Re6 30.Qd3 Rfe8 31.Ne3 R6e7 32.d5 Qd6 (32...Kg8 33.d6 Re5 34.d7+-) 33.Bb5 1–0. Clough,Fred (2045) – Richardson,David (1795), BCCA/TT/PG/2011 (ENG), 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Rb1?? e6?? 9.Bd2+= Nf6 10.Bc4 Bb4 11.Rb3 0-0 12.a3 Bc3 13.Bc3 Qd8 14.0-0 Nd5 15.Bd3 f5 16.Ba1 Qd6 17.Ne5 Ne5 18.de5 Qe7 19.Bb1 b6-/+ 20.Rg3 Ba6 21.Re1 Rac8 22.Qa4 Bc4 23.h4? b5 24.Qa5 Nf4 25.Bc3 Qh4 26.Qa7 Rf7 27.Qa6 Rd8 28.Ba5 Rfd7 29.Bc2-/+ Re8 30.Qc6 Qe7 31.Bb4 Qf7 32.Qf3 Ng6 33.Bd6 Bd5 34.Qc3 Rdd8 35.Qb4 Rc8 36.Rc3 Rc3-+ 37.Qc3 Nf4 38.Bb3 Bg2-+ 39.Qg3 Qh5 (39...Qh5 40.Qh2 Qf3-+) 0–1. Knudsen,Jes West (1885) – Nilssen,John Arni (2350), Copenhagen DEN, Politiken Cup, 2013. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Rb1?? e6 9.Bd2 Nf6 10.Bc4 Qd8 11.Bf4 Bd6 12.Qd2 Bf4 13.Qf4 Qa5 14.Rb3 0-0 15.0-0 a6 16.Re1 (16.Ne4 Ne4 17.Qe4 Rd8+= (worse is 17...Qa2 18.Ng5 g6 19.Nh7+/-)) 16...Rd8 17.Re5? (better is 17.a4!?+=) 17...Qc7 (17...Ne5 18.de5 Nd7 19.Ne4-+) 18.Qg3? (18.Rf5!? Qe7 19.Rc5-+) 18...Nd4 19.Nd4 Qc4 20.Nc2 Rd3 21.Re3 Rd2 22.Ne1 b5 23.Qf3 Rb8 24.Qg3 Ra8 25.Qf3 Nd5 26.Ne4 (26.Re4 Rd4 27.Rd4 Qd4 28.Qd3 Qd3 29.Nd3-+) 26...Ra2 27.Ng5 Qf4 28.Qf4 Nf4 29.Rf3 (29.Rb1 Bb7-+) 29...Ra1 30.Kf1 (30.Rbe3 Nd5 31.Re4 b4 32.Nf7 Bb7-+) 30...e5 31.g3 Nh3 32.Rfd3 Bf5 33.Rf3 (33.Nh3 Bh3 34.Ke2 Be6-+) 33...Bg4 34.Nh3 (34.Ne4 f5 35.Nd2 Bf3 36.Rf3 Ra2-+) 34...Bh3 35.Ke2 Bg4 36.Kd2 Bf3 37.Nf3 Rd8 38.Ke3 f6 39.Nh4 (39.h3 Ra2-+) 39...g6 (better is 39...Re1 40.Kf3 Rd3 41.Rd3 e4 42.Kg2 ed3 43.Nf3-+) 40.g4 (40.Nf3 Ra2-+) 40...Kf7 (better is 40...Re1 41.Kf3 Rd3 42.Rd3 e4 43.Kg2 ed3 44.Nf3-+) 41.Nf3 g5 42.h4 (42.h3 Rad1 43.Rb4 Rh1-+) 42...h6 (better is 42...gh4!? 43.Ke4-+) 43.Rc3 Rd7 44.h5 Ra4 45.Rc6 e4 46.Ne1 Ra3 47.Ke2 a5 48.Rc5 (48.Nc2 Ra2 49.Ke3 Ra4-+) 48...Rb3 49.Rc6 a4 50.Ra6 (50.Nc2 a3 51.Na3 Ra3-+) 50...a3 51.Kf1 b4 52.Ra4 Rb2 53.Kg2 Rd1 54.Ra7 Ke6 55.Rh7 Re1 56.Rh6 a2 0–1. Bauer,Thomas (2010) – Neumeier,K (2260), ch–AUT, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Rb1?? e6 9.Bd2 Nf6 10.Ne4 Qd8 (10...Qa2!? 11.Nf6 gf6-/+) 11.Nf6=+ Qf6 12.Bd3 h6 13.0-0 Bd6 14.Qe2 (14.Qa4 0-0=+) 14...0-0 (14...Nd4!? 15.Nd4 Qd4-/+) 15.Qe4= Qf5 16.Qe3 (16.Qf5 ef5 17.Rfd1 Be6 18.Rb7 Ba2=+) 16...Qf6 (16...Qd5 17.Rb2=+) 17.Rb5 (17.Qe4 Rd8=) 17...Ne7 18.Rh5 Rb8 19.Ne5 Ng6 (19...Nf5 20.Bf5 ef5 21.Qg3 Be5 22.de5=+) 20.Qe4 (20.Bg6 fg6 21.Rh3=) 20...Be5 (better 20...b6!?=+) 21.de5+= Qd8 22.Bb4 Re8 (22...f5 23.Qe3 Ne7 A) 24.Qa7? Nc6 25.Qa3 Nb4 26.Bf5 Nd5-+ (worse 26...Rf5 27.Rf5 ef5 28.Qb4-+); B) 24.Bd6+/-) 23.Bd6 Ra8 24.Qg4 Kh7 25.Rh3 Bd7 (25...Rg8 26.Qf4 Qd7 27.Rf3+/-) 26.Rg3 (26.Rf3 Bc6 27.Rf7 Qg5 28.Qg5 hg5+-) 26...Rg8+/- 27.Bg6 fg6 28.Qg6 Kh8 29.Rh3 Re8 30.g4 Qa5?? (better 30...Re7 31.Be7 Qe7+-) 31.g5 Qd2 32.gh6 (32.gh6 gh6 33.Rh6 Qh6 34.Qh6 Kg8 35.Qg6 Kh8 36.Kh1 Bc6 37.f3 Be4 38.Qh6 Kg8 39.Rg1 Bg6 40.Qg6 Kh8 41.Qh5) 1-0. Wieczorek,O (2495) - Sowa,Wiktoria (2020), Adolf Anderssen Mem, 2021. (=1.e4 B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6 1...c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Rb1)

    8.Rb1?? Bf5 ½-½. Gallo Garcia,Kemel Antonio (2325) - Szpar,Milosz (2430), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Rb1)

    8.Bb2 e6 9.Bc4 Nf6 10.0-0 a6 11.d5 ed5 (11...Ba3!? 12.Ba3 Qc3 (worse is 12...Qa3 13.dc6 Qc3 14.Qa4+/-) 13.dc6 Qa3+= (13...Qc4?? 14.Qd6 Nd5 15.Ne5+-)) 12.Nd5= Nd5 13.Bd5 Be6 14.Be6 fe6 15.Re1 Kf7?? (better is 15...Nd8+=) 16.Qd7+- Be7 17.Qe6 (17.Re6?! Rhd8 18.Qb7 Ke6 19.Qc6 Kf7 20.Ne5 Kf8 21.Qf3 Bf6+/-) 17...Kf8 18.Re4 (18.Ne5 Ne5 19.Re5 Qe5 20.Be5 Re8+-) 18...Qc7 19.Rae1 Qd6 20.Qf5 Kg8 21.Re6 Qd7 22.Qg4 Bf8 23.Ng5 Nd8?? 24.Rd1 Qb5 25.Re5 Qb2 26.Qc4 (26.Qc4 Ne6 27.Qe6) 1–0. Bohley,Donald – Chandler,P, Monroe ch–MI op, 1986. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.Nf3 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d4 e6)

    8.Bb2 e6-/+ 9.Bc4 Nf6 10.0-0 Be7 (10...Bb4 11.Qe1-/+) 11.Re1 (11.d5 ed5 12.Nd5 Nd5 13.Qd5 0-0+=) 11...0-0-/+ 12.Ne4 (12.Ne5 Rd8 13.Nc6 bc6-/+) 12...Ne4 13.Re4 Bf6 (13...b5 14.Bb3 Rd8 15.Qe2-/+) 14.Ne5+= Rd8 15.Qg4 (15.Qh5 Ne5 16.de5 Qd2+=) 15...Qd2 16.Re2? (better is 16.Rb1!?-/+) 16...Ne5-+ 17.de5 (17.Rd2?? Ng4 18.Rad1 Bg5-+) 17...Qd1! 18.Rd1 Rd1 19.Re1 Re1 20.Bf1 Be7 (20...Be5!? 21.Qb4 Bb2 22.Qe1 a5+=) 21.Qa4= b6 (21...b5 22.Qc2 Bb7 23.Qd2=) 22.Qc6 Rf1 23.Kf1 Ba6 24.Kg1 Rd8 25.h3 Kf8 26.Qa4+/- Bb7 27.Qa7 Bd5 28.Ba3 Ba3+/- 29.Qa3 Kg8 30.Qe7 Ra8 31.a3 h6 32.Qb4 Rb8 33.Qd6 Ra8+/- 34.Qb6 Ra3 35.Qd8 Kh7 36.Qf8 Ra7 37.Kh2 Rb7 ½–½. Staub,Pierre (1910) – Valentin,Rene (2090), Torcy op–B, 1991. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Bb2 Nc6 6.c4+= bc3 7.Nc3 Qa5 8.Nf3 e6-/+)

    8.Bb2 e6 9.Bd3 Nf6 10.0-0 Be7 11.Re1 0-0 12.Ne4 Nb4 (better is 12...Nd5-/+) 13.Nf6= Bf6 14.Be4 (14.Bc3!? Qb6 15.Bh7 Kh7 16.Qb1 Kg8 17.Bb4=) 14...Nd5 15.Ne5 (15.Qd3!? h6 16.Bd5 Qd5 17.Qb3 Qb3 18.ab3-/+) 15...Be5-/+ 16.de5 Bd7 17.Qd3 h6 18.Rad1 Bc6 19.Qg3 Ba4 (19...Rfd8 20.Qa3 Qb5 21.Qb3-/+) 20.Ra1 (20.Qa3 Rfd8 21.Bd5 Rd5-/+ (worse is 21...ed5 22.e6 f6 23.Bc3+/-)) 20...Rac8 21.h3 (21.Bd5 Qd5 (worse is 21...ed5 22.e6 f6 23.e7+=) 22.Ba3 Rfe8-/+) 21...Qd2 (better is 21...Rfd8-+) 22.Ba3?? (better is 22.Bd5 Qd5 23.Bc1-+) 22...Rc3-+ 23.Re3 Ne3 24.Bf8 Kf8 25.fe3 Re3 26.Qh4 Qd4 27.Kh2 Re4 (27...Re4 28.Qg3 Qa1-+) 0–1. Juhnke,Peter – Hempel,Manfred, Hessenliga, 2002. (=1.e4 c5 2.b4 cb4 3.Bb2 d5 4.ed5 Qd5 5.Nf3 Nc6 6.c4 bc3 7.Nc3 Qa5 8.d4 e6)

    8.Bb2 Nf6 9.Bc4 e6 10.0-0 Be7 11.h3 0-0 12.Qa4 Qa4 13.Na4 b6 14.Rfe1 Na5 15.Bb3 Bb4 16.Bc3 Bc3 17.Nc3 Bb7 18.Ne5 Rac8 19.Nb5 Ba6?? (better is 19...Rcd8-/+) 20.Nd6+= (20.Na7? Rc7-+ (20...Nb3? 21.ab3 Rc3 22.Ra6 Rb3 23.Nac6+-)) 20...Rcd8 (20...Nb3? 21.ab3 Rcd8 22.Ndf7 (22.Ra6?! Rd6 23.Nf3 Ra8=) 22...Rf7 23.Nf7 (23.Ra6?! Rc7+/-) 23...Kf7 24.Ra6 Rd4 25.Ra7 Nd7 26.Rc1+-) 21.Ndf7 Rf7 22.Nf7?? (better is 22.Be6 Bc4 23.Nf7 (worse is 23.Bf7 Bf7 24.Rec1 Be8+=; 23.Nc4?! Nc4 24.Bc4 Nd5+-) 23...Rd4 24.Ng5 Be6 25.Ne6+-) 22...Kf7+= 23.Be6 Kf8 24.Rad1 Bc4 25.a4 Be6 26.Re6 Kf7 27.Re3 Rd7 28.Red3 Nb7 29.f3 Nd5 30.g3 a5 31.Kf2 Nd6 32.Rc1 Nb4 33.Rd2 Nf5 34.Rcd1 Nd5 35.g4 Nh4 36.Rc1 Ng6 37.Rcd1 Ngf4 38.Kg3 Rc7 39.Rb1 Rc4 40.Rb6 Ra4?? 41.Rb7 Kf6 42.h4 Ne6 43.Rd7 Nef4 44.g5 Ke6-/+ 45.Rg7?? Ra1 46.Rh7+- a4 47.h5?? Kf5 48.g6 Nf6 49.g7?? N4h5?? 50.Kg2 Kg6+= 51.Rh5 Kh5 52.d5 Kg6 53.d6 Kg7 54.d7 Nd7 55.Rd7 Kf6 56.Rd2 a3 57.Kf2?? Kf5 58.Ke3-/+ a2 59.Rd5?? Ke6 60.Ra5 Re1 (60...Re1 61.Kd4 a1Q 62.Ra1 Ra1-+) 0–1. Gallova,Monika – Kurtulik,Anton (1900), Prievidza op, 2009. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Nf3 Nf6)

    8.Bd2 a6 9.Qb3 (9.d5 Na7=) 9...Nf6 (9...Qd8 10.d5 Nb8 11.Rc1=) 10.Bc4 (10.d5 Na7=) 10...Qh5 11.d5 (11.Nd5!? Nd5 12.Bd5+=) 11...Nd8 (11...Ne5!? 12.Ne5 Qe5 13.Be2 g6+=) 12.Qa4 Bd7 13.Bb5 e6 (13...Qf5!?+=) 14.Bd7 Nd7 15.0-0 Be7 (15...Rc8!?=) 16.Rad1+= b5 17.Nb5 0-0 18.Nc3 (18.d6 Nc5 19.Qc2+/-) 18...Nb6= 19.Qd4 Nd5 20.Nd5 ed5 21.Be3 ½–½. Dede,Erno (2360) – Parkanyi,Attila (2350), Cseppko op–A, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Bd2 Qd8 9.d5 Nb8 10.Bc4 Nf6 11.Qb3 g6 12.d6 e6 (worse is 12...ed6 13.Bf7 Ke7 14.Nd5 Nd5 15.Bd5+/-) 13.Bf4 Bd7?? (better is 13...Bg7=) 14.Qb7+- Nc6? (better is 14...Bc6 15.Bb5 Qd7 16.Qa8 Ba8 17.Bd7 Nbd7+-) 15.Nb5 Qc8 (15...Bg7 16.Nc7 Kf8 17.Na8 Na5 18.Qa7 Nc4+-) 16.Nc7 Kd8 17.Qa8 (17.Qa8 Qa8 18.Na8+-) 1–0. Schmelz,Thomas – Ziska, CiF, 1989. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Bd2 Bg4 9.Nb5 Qd8 10.d5 Ne5 11.Rc1 Rc8? (11...Bf3 12.Qa4 e6 13.Nc7 Ke7 14.Qa3 Kf6+/-) 12.Ne5+- (worse is 12.Na7 Rc1 13.Bc1 Nf3 14.gf3 Bf5 15.Qa4 Bd7=) 12...Bd1 13.Na7 Bg4 14.Bb5 Bd7 15.Bd7 (15.Rc8?! Qc8 16.Nd7 Qd7+/-) 15...Qd7 16.Rc8 (16.Nd7?! Rc1 17.Bc1 Kd7+=) 16...Qc8 17.Nc8 Nf6 18.Nb6 Ne4 19.Ke2 f6 20.Ned7 g6 21.Rc1 Nd2 22.Nf8 Nb3 23.ab3 Rf8 24.Rc7 Kf7 25.Kd3 Rd8 26.Rb7 f5 27.Kd4 1–0. Schirmer,Michael (2150) – Rennert,Ralf (1890), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 Nb8 9.Bd2 Nf6 10.Rc1 Qd8 11.Ne5 a6 12.Qa4 Nbd7 13.g4 h6 14.Nb5 Nd5 (14...ab5 15.Qa8) 15.Bg2 ab5 16.Bd5?? (16.Qa8 N5b6 17.Ba5+/-) 16...Ne5-+ (16...Ra4?? 17.Bf7) 17.Qa8 Nd3 18.Kf1 Nc1 (18...Qd5?? 19.Rc8 Kd7 20.Rd8 Ke6 21.Qc8 Kf6 22.Rd5+-) 19.Bc1 Qd5 (better is 19...h5!?-+) 20.Qc8-/+ Qd8 21.Qb7 Qd1 22.Kg2 Qg4 23.Kf1 Qc4 24.Kg2 f6 25.Be3 Qg4 26.Kf1 Qf5 27.Ke2 Qc2 28.Kf3 Qa2 29.Qb5 Kf7 30.h4?? Qa8-+ (30...Qa8 31.Ke2 Qh1 32.Qc4 e6-+) 0–1. Llorens Sepulveda,Marcelo (2415) – Sepulveda,Jorge (2270), CHI–ch, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 Nb8 9.Bd2= Nf6 10.Bc4 g6 11.Ne4 Qc7 12.Bb5 Bd7? (better is 12...Nbd7 13.Rc1 Qb6+/-) 13.Rc1+- Qd8 14.Nf6 ef6 15.Qe2 Be7 16.d6 0-0?? (16...Bb5 17.Qb5 Qd7 18.Qd7 Nd7 19.de7 Ke7+-) 17.de7 (worse is 17.Qe7 Re8 18.0-0 Re7 19.de7 Qe7-+) 17...Qe7 (17...Qe8 18.Bb4 Bb5 19.ef8R Qf8 20.Bf8 Be2 21.Rc8+-) 18.Qe7 Re8 (18...Bb5 19.Qb7 Re8 20.Be3+-) 19.Qe8 (19.Qe8 Be8 20.Rc8+-) 1–0. Schnurr,Anton (1870) – Prange,Kurt (1755), Bayern–ch Seniors, 1992. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 e5?? 9.dc6 Bb4 10.Bd3 Bc3 11.Bd2 bc6 12.0-0 Bd2 13.Nd2 Be6 14.Qc2 Ne7 15.Ne4 Rd8 16.Ng5 Bg4 17.Bh7 e4! 18.Ne4 Qh5 19.f3 Be6 20.Rad1 Bd5 21.Qc5 Rh7 22.Rfe1 Qh2 23.Kf2 Qc7 24.Rb1 Be4 25.Re4 Rd2 26.Ke3 Rd7 27.Kf2 Rh6 28.Qg5 Kf8 29.Reb4 Rg6 30.Rb8 Rd8 31.Qf4 Qd7 32.Rd8 Qd8 33.Rb8 Nc8 34.Qb4 Kg8 35.Qb7 Qd2 36.Kf1 Qg2 37.Ke1 Qg1 38.Ke2 Re6 39.Kd3 Qd1 40.Kc4 Qc2 41.Kd4 c5 42.Kd5 Qd3 43.Kc5 Qc3 44.Kd5 Re5 0–1. Gaillard,Bruno (1940) – Franc,Emmanuel (2100), Bethune op, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 e5?? 9.Bd2 Bb4 10.Rc1 Nd4 11.Nd4 ed4 12.Nb5 Bd2 13.Qd2 Qd2 14.Kd2 Kd8 15.Bc4 Nf6 16.Rhe1 a6 17.Nd6 Rf8 18.Kd3 Ne8 19.Ne8 Re8 20.d6 Bf5 21.Kd4 Kd7 22.Bd5 Re1 23.Re1 Kd6 24.Bb7 Ra7 25.Bd5 Be6 26.Be6 fe6 27.Rb1 e5 28.Ke4 Rf7 29.Rb6 Kc5 30.Rb2 a5 31.Ke5 Re7 32.Kf4 Rd7 33.Ke3 Kc4 34.f4 a4 35.g4 Kc3 36.Rf2 1–0. Hoy,Bernd (2205) – Fischer,Johann Stefan (2240), Regionalliga SW, 2008. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 Ne5 9.Bd2 Nf3 10.Qf3 a6 11.Rc1 Qd8 12.Bb5 Bd7 13.Bd7 Qd7 14.0-0 Nf6 15.Rfe1 g6?? (better 15...Rd8=) 16.Qf6+- (16.Qf6 Rg8 17.Ne4 Qd5 18.Qf3+-) 1-0. Bellahcene,B (2505) - Dimic,P (2345), Titled Tuesday 4th May, 2021. (=1.e4 B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6 1...c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5)

    8.d5 Ne5 9.Bd2 Nf3 10.Qf3 Bd7 11.Rc1 Qb6 (11...Rc8!?=) 12.Rb1+/- Qf6 13.Qe3 (13.Qf6 Nf6 14.Rb7 e6 15.de6 Be6+=) 13...Nh6 (better 13...b6!?=) 14.Ne4 Qg6 (14...Qe5 15.Bc3 Qd5+-) 15.Rb7+- Nf5? (15...Ng4 16.Qf4 e5 17.de6 fe6 18.Rd7 e5 19.Nf6 Qf6+-) 16.Qb3 (16.Ra7?! Rd8 17.Qd3 e6+/-) 16...Nd6 (16...f6 17.Rd7 Nd4+-) 17.Nd6 Qd6 18.Rd7! Kd7 (18...Qd7 19.Bb5 Pinning (19.Bb5 Decoy); 18...Kd7 19.Qb7 Double attack (19.Qb5 Decoy)) 19.Bb5 (19.Qb7 Qc7 20.Bb5 Kd6 21.Bf4 e5 22.de6 Ke7 23.Qc7 Ke6 24.Qe5) 19...Kc8 20.0-0 (20.0-0 Qb6 21.Rc1 Kd8 22.Qa4+-) 1-0. Bellahcene,B (2510) - Fantinel,T (2375), Europe-Echecs Blitz Open, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5)

    8.d5 Nf6 9.dc6? (better is 9.Bb2!? Nb4 10.Bc4+=) 9...Qc3-/+ 10.Bd2 Qc6 11.Rc1 Qd6 12.Rc3 e6 13.Qc1 Bd7 14.Be2 Nd5 15.Rb3 Bc6 16.Qb2 f6 17.0-0 Be7 18.Nd4 0-0 19.Re1 f5 20.Bc4 Bf6 21.Re6 Qc5 22.Rf6 Rf6 (22...gf6?! 23.Nc6 bc6 24.Rg3 Kh8 25.Qb7+=) 23.Rg3?? (better is 23.Bd3-+) 23...Qc4 24.Ne6 (24.Nf5 Raf8 25.Rg7 Kh8 26.Rg5-+) 24...g6 (better is 24...Qe2 25.Rg7 Kh8 26.h3 Qe6 27.Rg5-+) 25.Nf4 (25.Nd4-+) 25...Nf4 26.Qf6 (26.Bf4 Qf4 27.Re3-+) 26...Ne2 27.Kh1 Ng3 28.hg3 Qf1 (28...Qf1 29.Kh2 Qg2) 0–1. Husak,Antonin – Hlavac,Rudolf (2115), Tatry op Tatranska Lomnica, 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 Bg4 9.dc6 Qc3-/+ 10.Bd2 (10.Qd2 Qd2 (10...Qa1?? 11.cb7 Qc1 12.Qc1+-) 11.Bd2 bc6-/+ 12.Ne5 Bd7 13.Rc1 Rb8 14.Nc6 Rb2 15.a4 Bc6+=) 10...Qc6 11.Rc1 (11.Qb3 Be6 12.Qb4 a5 13.Qb2 Qe4 14.Be3 Qb4 15.Qb4 ab4-/+) 11...Bf3 12.gf3 Qe6 13.Be3 Nf6?? (better is 13...Qd7+= 14.Qd7 Kd7 15.Rd1 Ke6+=) 14.Bb5+- Nd7 15.Rc7 (15.Rc7 Rd8 16.Bd7 Qd7 17.Rd7 Rd7 18.Qc2+-) 1–0. Basanta,G (2325) – Wu,H (2185), 28th Keres Mem, Vancouver CAN, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.d5 Bg4 9.Bd2 Nd4?? (better is 9...Bf3 10.Qf3 Nd4=) 10.Nb5+- Bf3 11.Ba5 (11.Nd4?! Bd1 12.Ba5 Ba4=) 11...Bd1 12.Rd1 (12.Kd1?! b6 13.Bb6 ab6 14.Nc7 Kd8 15.Na8 b5+-; 12.Nd4?! Ba4=) 12...b6 (12...Nc2 13.Kd2 Kd7 14.Kc2+-) 13.Rd4 (better is 13.Nc7 Kd7 14.Na8 Nc2 15.Kd2 ba5 16.Kc2 Nf6+-) 13...Kd8 14.Bb4 a6 15.Na3 Nf6 16.Be2 a5 17.Bd2 Rc8 18.0-0 g6 19.Nc4 Bg7 20.Nb6 Nd7 21.Ra4 Nb6 22.Ba5 (22.Ra5?! Rc2 23.Rd1 h5+/-) 22...Rb8 23.Rb1 Kc7 24.Rc4 Kd7 25.Bb6 1–0. Sochacki,Christophe (2040) – Sobocinska,Malgorzata (1960), XVIII Int Ches Festival Poland, 2007. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    8.Rb1?? Qc3?!

    9.Bd2 Qa3 10.d5 Qa2 11.dc6 bc6 12.Ne5-+.

    9.Bd2 Qa3 10.d5 Nb8?? 11.Qc2+- Na6 (11...Bd7 12.Bb5 e6 13.Qc8 Ke7 14.Qb7 Qa2 15.d6 Kf6+-) 12.Bb5 Kd8 13.Ne5 e6 14.Nf7 Ke7 15.Nh8 Nf6 (15...Kd8 16.Nf7 Ke7 17.Bb4 Qb4 18.Rb4 Kf7 19.Rf4 Nf6 20.Ba6 Bd6+-) 16.Ba6 (better 16.Bb4! Qb4 17.Rb4 Nd5 18.Rd4+-) 16...Qa6 17.Qc7 Bd7 18.Bb4 (better 18.Rb7 Ke8 19.Rb8 Rb8 20.Qb8 Bc8 21.de6 Qe6 22.Be3+-) 18...Ke8+= 19.Bf8 Kf8 20.g4?? (20.Rb7 ed5 21.Rb8 Rb8 22.Qb8 Be8 23.Ng6 hg6 24.Qb2-+) 20...Rc8 21.Qf4? (21.Qb7 Rc1! 22.Rc1 Qb7-+) 21...e5 (better 21...ed5!? 22.f3-+) 22.Qb4 (22.Qd2 Kg8 23.Ng6 hg6 24.f3-+) 22...Kg8-+ 23.g5 (23.Ng6 hg6 24.Qb3 Bg4 25.d6 Kh7 26.f3 Qa5 27.Ke2 Bf3 28.Kf3 Rc3 29.Ke2-+) 23...Nd5 (better 23...Rc2 24.Qd2 Rd2 25.Kd2 Qa2 26.Kc1 Bf5 27.Rb2 Qa1 28.Kd2 Qb2 29.Ke1 Ne4 30.f4 Qd2 31.Kf1 Qf2) 24.Qb7 (24.Qb3 Qa5 25.Kf1 Kh8 26.h4-+) 24...Qb7 (24...Qa5 25.Kf1 Bh3 (25...Kh8?! 26.Qd7 Qc5 27.Kg1=) 26.Kg1 Nf4 27.Qc8 Bc8 28.h4 Qd5 29.Rh2 Qd3 30.Rc1 Ne2 31.Kf1 Nc1 32.Kg2 Bb7 33.f3 Qf3 34.Kg1 Nd3 35.Re2 Qh1) 25.Rb7=+ Bc6 26.Ra7 Nf4 (26...Nc3 27.f3 Kh8 28.Kf2-/+) 27.Rg1=+ Kh8 28.h4 (28.Rg3 Bd5=+) 28...Rd8 (28...Be4 29.Rg3 Ng2 30.Ke2 Rc2 (30...Nh4?! 31.Ra4 Nf5 32.Re4 Ng3 33.fg3=) 31.Kd1 A) 31...Nh4? 32.Rg4 Rc7 A1) 33.Re4 Ra7 34.Rh4 Ra2-/+; A2) 33.Rh4?? Bf3 (33...Ra7?! 34.Re4 Ra2 35.Re5=) 34.Ke1 Ra7-+; A3) 33.Rc7 Bf3 34.Kc1 Bg4 35.Rc4+-; B) 31...Rf2-/+) 29.Rc7? (better 29.Rg3-/+) 29...Bf3-+ 30.Rc1 Nd3 (better 30...Ne2 31.Rg3 Nc1 32.Rf3 Na2-+) 31.Kf1 (31.Kd2 Nc1 32.Kc1-+) 31...Nc1 32.Rg3 (32.a4 Rd1) 32…Rd1 0-1. Starley,Robert (2080) - Ghasi,A (2485), Checkmate Covid Rematch, 2021. (=1.e4 B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6 1...c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Rb1)

    9.Bd2 Qa3 10.d5 e6 11.dc6 bc6 12.Qc2 Bd7 13.Rb7 Nf6 14.Ne5 Qc5 15.Qb2 Bd6 (15...Rd8 16.Rb8 Be7 17.Nd7 Nd7 18.Rd8 Bd8 19.Qg7-/+) 16.Nc4 Nd5 (better 16...Qd5-/+) 17.Qg7+= 0-0-0?? (better 17...Rf8 18.Nd6 Qd6+=) 18.Nd6+- Qd6 19.Ba6 (19.Ra7?! Kb8 20.Ra4 f6+=) 19...Nc7 (19...c5 20.Rb6 Kc7 21.Rd6 Kd6 22.Qf7 Rdf8+-) 20.Rc7! (20.Ra7?! Na6 21.Ra6 Qd3+=) 20...Kc7 (20...Kc7 21.Ba5 Mate attack) 21.Ba5 Kb8 22.Qb2 (22.Qb2 Qb4 23.Qb4 Ka8 24.Qb7) 1-0. Abdrlauf,Elham (2335) - Vlachos,Anatole (2435), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Rb1)

    9.Bd2 Qa3 10.d5 e6 11.dc6-/+ bc6 12.Qc2 Bd7 13.Ne5 Nf6 (13...Qc5 14.Nc4-/+) 14.Nd7=+ Nd7 (14...Kd7?! 15.Rb7 Kd8 16.Rf7=) 15.Qc6 Rd8 16.Bb5 (16.Bc4 Qd6 17.Qd6 Bd6=+) 16...Be7 17.Qc7 0-0 (better 17...Qa2!? 18.Rd1 Qb3=+) 18.Bd7= Qa2 (better 18...Qd3!? 19.Rb7 Qe4 20.Kd1 Qg2+=) 19.Rd1+/- Qd5 20.Bc6 Qc5 21.Rc1 Qd4 22.0-0 (22.Be3 Bb4 23.Ke2 Qb2 24.Kf3 Bd2+/-) 22...Qd2? (better 22...Bd6 23.Qa5 Qd2 24.Qd2 Bh2 25.Kh2 Rd2+/-) 23.Qe7+- a5 24.Bf3 a4 (24...Rd7!? 25.Qh4 Rd4 26.Qh5+-) 25.Rcd1 Qa5 26.Rd8 Qd8 (26...Rd8 27.Bc6 Rf8 28.Qa3+-) 27.Qa3 Qa5 28.Ra1 (28.Bc6 Rc8 29.Rd1 g6 30.Qa4 Qa4 31.Ba4 Rc4+-) 28...g6 (28...Rc8 29.Be2+- (29.Qa4?? Qa4 30.Rd1 Kf8-+)) 29.Qa4 Qe5 30.g3 Qf6 31.Kg2 Kg7 32.h4 Rd8 33.Rd1 Rd1 34.Qd1 Qe5 35.h5 h6 36.hg6 fg6 37.Qd7 Kf6 (37...Kf8 38.Qd3 Kf7 39.Be4+-) 38.Qe8 (38.Qh7 Qg5+-) 38...Qf5 (38...Qc7 39.Be4 Qg7 40.Qd8 Kf7 41.Qd7 Kf6 42.Qd4 Kf7 43.Qc5+-) 39.Qf8 (39.Qf8 Ke5 40.Qh6+-) 1-0. Dobrowolski,P (2410) - Senthil,Maran K (2245), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Rb1)

    8.Bd2 e6

    9.a3 Ba3? 10.Nb5 Qd8 11.Ra3 +-.

    9.a3 Nf6 10.Bc4 Qd8 (10...Ba3 11.Be2+/-) 11.Bg5 Be7 12.0-0 0-0 13.Qd3 Nd5 14.Be7 Nce7 (worse is 14...Qe7 15.Nd5 ed5 16.Bd5+=; 14...Nde7?! 15.Rfe1+=) 15.Ne4 (15.Rac1 b6+=) 15...Nf4 16.Qb3 b6 17.Rfe1 Bb7 18.Rad1 Qc7 19.g3 Nfd5 20.Rc1 Qd8 21.Qd3 Rc8 22.Neg5 Nf6 23.Ne5 Bd5-/+ 24.Bb5 h6 25.Rc8 Qc8 26.Nh3 Qb7 27.Nf4 Be4 28.Qe2 Nf5 29.Ba6 Qa8 30.Qc4 Rd8 31.Qc7 Rf8 32.Rd1 Nd5 33.Nd5 Qd5 34.Bc4 Qb7 35.Qb7+= Bb7 36.Bb5 Rd8 37.Bc6-/+ Bc6 38.Nc6 Rd7 39.Kg2 Kf8 40.Kf3 Ke8 41.Ke4 Nd6 42.Kf4 Rc7-+ 43.d5 ed5 44.Nb4 g5 45.Ke5 Nc4 46.Kf6 Rd7 47.Nd5 Na3 48.Kg7-/+ Kd8 49.Kh6 Nb5 50.Kg5 Nc7 51.Nc3 Rd1 52.Nd1 a5 53.h4 Ke8 54.Kf6 a4 55.Kg7?? a3 56.Nc3-/+ b5 57.Na2 Ne6 58.Kg8+= Ke7 59.h5+= f5 60.f4 Nf8 61.h6+/- Nd7 62.Kg7 Nf6 63.Kg6 Ke6 64.Nb4 Nd7 65.Kg7 Nf6 66.Kf8 Nd7 67.Kg8 Nf6 68.Kg7 Ne8 69.Kg6 Nf6 70.Na2 Nd7+= ½–½. Sill,Thomas – Proschmann,Tino, Bayern–chI Bank Hofmann 3rd, 1999. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    9.a3 Nf6 10.Bd3 Be7 11.0-0 0-0 12.Re1 Rd8 (12...Bd7 13.Ne4=+) 13.Ne4 (13.Rc1 Bd7=+ (worse 13...Nd4 14.Nd4 Rd4 15.Bh7 Kh7 16.Qd4+-)) 13...Bd7 (13...Nd5 14.g3=+) 14.Qe2 (14.Rc1 Qb6 (worse 14...Ba3 15.Ra1 Qe1 16.Qe1 Bb2 17.Rb1 Bd4 18.Rb7+=) 15.Rb1 Nd5=+) 14...Nd5-/+ 15.Bc1 (15.g3 Rac8-/+) 15...h6 16.Rb1 (16.Qb2 Rdc8-/+) 16...Qc7 (better 16...f5 17.Bd2 Qa3-/+) 17.Ne5?? (better 17.Qb2!?-/+) 17...f5 (17...Nd4!? 18.Qh5 Be8 19.Ng3-+) 18.Nd7 (18.Nc6 A) 18...Bc6?! 19.Nc5 Bc5 20.Qe6 Kh8 21.Qf5=+ (21.dc5?? Re8-+); B) 18...bc6 19.Nc5 Nc3-+) 18...Qd7 (18...Rd7 19.Ng3 Nd4 20.Qh5-+) 19.Nc5?! (19.Ng3 Nc3 (19...Nd4?! 20.Qb2 Nb6 21.Be3-+) 20.Qh5 Nd4-+) 19...Bc5 20.Rb7 (20.dc5 Nc3 21.Qh5 Qd3 22.Rb7-+) 20...Qb7 (better 20...Nd4 21.Qb2 Qc6 22.Bf1-+) 21.Qe6 Qf7 22.Qc6 (22.Qf7 Kf7 23.dc5 Rab8-+) 22...Rac8 23.Qb5 (23.Qa6 Bd4 24.Bc4 Kh8-+) 23...Bb6 (better 23...Nc3!? 24.Qa6 Bd4 25.g3-+) 24.Bc4 (24.Bb2 Rb8 25.Qa4 Bc7-+) 24...Qd7 25.Qb3 Kh8 26.Bb2 (26.Bb5 Qc7 27.Ba6 Qc3 28.Qc3 Rc3-+) 26...Qc6 27.Bf1 (27.Bb5 Qc2 28.Ba4 Qb3 29.Bb3 Nf4-+) 27...Qc2 28.Qb5 (28.Qc2 Rc2 29.Ba1 Rdc8-+) 28...a6! 29.Qd3 (29.Qa6 Qb2 Deflection) 29...Qb2 30.Qf5 (30.Rd1-+) 30...Rf8 (30...Rf8 31.Re2 Qd4-+) 0–1. Ackaert,Thierry (2075) – Sclacmender,Julien (2200), TCh–BEL, 2017. (=1.e4 c5 2.b4 cb4 3.Bb2 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Nf3 e6)

    9.Rb1 Bb4 10.Nb5 Bd2 11.Nd2 Nf6 12.Nd6 Kf8 13.Qc1 Qa2 14.N2c4 Nd4 15.Bd3 Nd5 16.0-0 b6 17.Ne5 f6 18.Nc6 Qb1 19.Qb1 (19.Bb1?? Ne2 20.Kh1 Nc1 21.Rc1 Bd7-+) 19...Nc6 20.Be4 Bd7 21.Bd5 ed5 22.Qb5 Ke7 23.Qd5 Ne5 24.f4 Be6 25.Qb7 Nd7 26.Qc6 Rhd8 (better is 26...Nc5 27.Re1 Rad8+-) 27.Re1 Nf8 (27...g6 28.Re6! Ke6 29.Nc8 Kf7 30.Qa8 Nc5 31.Qa7 Rd7 32.Qb6 Ne4 33.Qb3 Kg7+-) 28.f5 Rd6 29.Qa8 a6 30.fe6 (30.Re6?! Ne6 31.fe6 Re6 32.Qb7 Kf8 33.Qa6 Kf7+-) 30...Ne6 (30...Re6 31.Re6 Ne6 32.Qb7 Kd6 33.Qb6 Kd7 34.Qa7 Nc7 35.Qd4 Ke7 36.Qe4 Kd6 37.Qd3 Kc6 38.Qh7+-) 31.Qb7 Rd7 32.Qb6 Rd6 33.Qb7 Rd7 34.Qa6 Rd6 35.Qa3 (35.Qa3 Kd7 36.Qa7 Kd8 37.Qf7+-) 1–0. Scacco,Mauro (2020) – Castillo,German (2065), SEMI ECT 3–A corr, 1999. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Qb3 Qb4 10.Nb5 Qb3 11.ab3 Kd8 12.Bc4 Bb4 13.Bb4 Nb4 14.Ra7 Ra7 15.Na7 Bd7 16.Kd2 Nf6 17.Ra1 Ne4 18.Ke2 Nc3 ½–½. Kalyinka,Roland (1895) – Erdelyi,Rudolf (2015), HUN–chT2, 2001. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Qb3 Bb4 10.d5 (10.a3!?+=) 10...ed5-/+ 11.Nd5 Bd2 12.Nd2 Nge7 13.Ne7?? (better is 13.Bb5-/+) 13...Qe5-+ (13...Ke7?! 14.Qe3 Qe5 15.Qe5 Ne5 16.f4-/+; 13...Ne7?! 14.Rd1-/+) 14.Ne4 Qe4 (14...Qa1 15.Kd2 Qd4 16.Bd3 Ke7 17.Re1-+) 15.Kd2 (15.Be2 Ne7 16.f3 Qh4 17.g3 Qf6 18.Bb5 Nc6 19.Bc6 bc6-+) 15...Qe7 (15...Ke7?! 16.Re1 Qe1 17.Ke1=) 16.Re1 (16.Qe3 Be6 17.Bd3 0-0-+) 16...Be6 17.Bc4 (17.Qc3 Rd8 18.Bd3 Nb4-+) 17…Rd8 (17...Rd8 18.Kc1 Qc5-+), 0–1. Dudas,Peter (2175) – Hogye,Imre (2185), HUN–chT2, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Qb3 Qd8 10.d5 (10.Bb5 A) 10...Nge7 11.Bg5 (11.0-0 a6 12.Bc6 Nc6 13.Rfd1 Bd6 14.Rac1 0-0=+; 11.Be3 a6 12.Bd3 b5 13.0-0 Bb7 14.Rfc1 Rc8=+) 11...h6 12.Be3 a6 13.Bd3 b5 14.0-0 Bb7=+; B) 10...Nf6 11.Bc6 (11.Ba4 Bd6 12.Ne5 Be5 13.de5 Ng4 14.f4 Qd4-/+; 11.Ne5 Bd7 12.Qa4 Ne5 13.de5 a6 14.ef6 ab5-/+) 11...bc6 12.Qc4 Bd7 13.0-0 Rc8 14.Rfe1 c5=+) 10...ed5 11.Nd5 Be6 (11...Nf6 12.Bc4 Bd6 13.Bg5 0-0 14.Bf6 gf6=) 12.Bc4 Nf6 (12...Qd7!? 13.Bf4 Rc8=+ 14.Rd1 Na5=+) 13.Qb7= Rc8 (13...Bd5? 14.Bd5 Qd5 15.Qa8 Nd8 16.Qa7+-) 14.Nf6 Qf6 15.0-0 Qe7 16.Qa6 Qa3 17.Rac1 Bd6 18.Qb5 Bd7? (better 18...a6 19.Qa6 Qa6 20.Ba6 Rc7+-) 19.Rc3+- a6 (19...Bh2 20.Nh2 Qd6 21.Rd3+-) 20.Re1 (20.Qb7 Bh2 21.Nh2 Qd6+-) 20...Ne7 (20...Be7 21.Qh5 (21.Ra3?! ab5 22.Bb5 Kf8+-) 21...g6 22.Bf7 Kd8 23.Qh6+- (worse 23.Ra3 gh5 24.Ra6 Rf8 25.Bh5 Rf5+-)) 21.Qg5 (better 21.Re7 Be7 22.Bf7 Kf7 23.Ne5 Ke6 24.Qd7 Ke5 25.Ra3 Ba3 26.Bc3 Rc3 27.Qg7 Ke6 28.Qc3+-) 21...Qa4 (21...Qc3 22.Bc3 Rc4+-) 22.Qg7 Rf8 23.Bh6 Kd8 (23...Be6 24.Qf8 Kd7 25.Be6 fe6 26.Rc8 Nc8 27.Qf7 Ne7 28.Qe6 Kc7 29.Bf8+-) 24.Qf8 Be8 25.Bg5 Qb4 26.Be7 Be7 27.Rd3 Kc7 28.Re7 Kc6 29.Qh6 (29.Bd5 Kb6 30.Rb7 Ka5 31.Qb4) 29...Kc5 (29...f6 30.Qf6 Kc5 31.Qd6 Kc4 32.Qd5) 30.Qd6 Kc4 31.Re4 (31.Re4 Kb5 32.Rb4 Ka5 33.Qb6; 31.Qd5) 1–0. Curado,MJF (1860) – Henderson De La Fuente,L (2010), Gibraltar Masters, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Qb3 Be7 10.d5= Nd8 (better is 10...ed5 11.Nd5 Qd8=) 11.Nb5+- Qb6 12.a4?? (better is 12.Qc3 Bf6 13.Nc7 Kf8 14.Na8 Bc3 15.Nb6 Bd2 16.Kd2 ab6 17.d6+-) 12...a5?? (better is 12...ed5 13.Be3 Qa5 14.Bd2 Qb6=) 13.Be3+- (13.Be3 Bc5 14.Rc1 Be3 15.Nc7 Ke7 16.Qb6 (16.Qe3?! Qe3 17.fe3 Rb8=) 16...Bb6 17.Na8+-) 1–0. Fehlbecker – Burghardt, 1963. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Qb3 Nf6 10.Bb5 Bb4 11.Ne5 Bd7 (better is 11...Bc3!? 12.Bc3 Qc7=) 12.Nc4+/- Qc7 13.Bc6 Bc6 14.Qb4 Bg2 15.Nb5 Qc6 16.Nbd6 (16.Nbd6 Kd8 17.Nf7 Ke8 18.Rg1+- (worse is 18.Nh8 a5 19.Nd6 Kd7+-)) 1–0. Winkler,Daniel – Muensch,W, Ticino op, 1992. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    9.Qb3 Nf6 10.Bb5 Qc7 11.Rc1 a6 12.Bd3 Be7 13.0-0 0-0 14.Ne4 Rd8 15.Rfd1 h6 16.Bb1 Nd5 17.Ne5 Bd7 18.Bh6? (better is 18.Nc3!? Nc3 19.Qc3+=) 18...gh6-+ 19.Qg3 Kf8 20.Qh3 Bc8 21.Qh6 Ke8 22.Qh8 Bf8 23.Ng5 Qe7 24.Ngf7 Ne5 25.Ne5 Qg7 26.Qh5 Ke7 27.Rc7 Nc7 ½–½. Kondziela,Andreas (2090) – Schirmer,Michael (2150), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Qb3 Nf6 10.Bc4 Qd8 11.d5 Na5 12.Bb5 Bd7 13.Qa4 ed5 14.Bd7 Nd7 15.Ne5 (15.0-0 Nc6 16.Rfe1 Be7 17.Nd5 0-0 18.Ne7 Ne7+=) 15...Nc6 (better is 15...Bd6!? 16.Nd7 Nc6 17.Nd5 Qd7-/+ (17...Kd7?! 18.0-0=)) 16.Nc6= bc6 17.Qc6 Rc8 18.Qd5 Bb4 19.Qe4 ½–½. Kiehl,E – Ullrich,J, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bb5 Bb4 10.Qb3 Bd7 11.a3 Nf6?? (better is 11...Nge7+=) 12.Bc6+- Nd5?? (better is 12...Bc6 13.Qb4 Qh5+-) 13.Bd5 (better is 13.Bb7!? Rd8 14.Nd5 Bd2 15.Nd2 ed5 16.Qe3 Be6 17.Bc6 Kf8+-) 13...Bc3 14.Bc3 (14.Bc3 Qd5 15.Qd5 ed5 16.Kd2+-; 14.Qc3?! Qd5 15.Rc1 0-0+-) 1–0. Wilm,Guenter – Forscht,Manfred, Marianske Lazne op, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bb5 Bb4 10.Qb3 Nge7 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qd8 14.Rfd1 Qb6 15.Rab1 a6 16.Qa4? (better is 16.Bc6 Qb3 17.Rb3 Nc6 18.Ne5+=) 16...ab5-+ 17.Qa8 Bd7 (better is 17...Nd5 18.Bb4 Nc7-+) 18.Qf8?? (better is 18.Qa4 ba4 19.Rb6-/+) 18...Kf8-+ 19.Ne5 Be8 20.Nc4 (20.Nc6 Bc6 (worse is 20...Nc6 21.d5 ed5 22.Rd5-+) 21.Bb4 Qd8-+) 20...Qa6 21.Nd6 Nd5 22.Nb5 Nce7 23.Nc7 Nc7 24.Bb4 Ncd5 25.Bc5 Nc3 26.Rb6 Qb6 27.Bb6 Nd1 0–1. Ruzicic,Sinisa (1990) – Tatisic,Milan (2160), Beograd SER, City Team Ch, 2013. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3= Qa5 8.Bd2 e6)

    9.Bb5 Qc7 10.d5 ed5 11.Nd5 Qd8 12.Bf4 Bd6 13.0-0 Bf4 14.Re1 Be6 15.Nf4 Nge7 16.Ne6 fe6 17.Re6 0-0 18.Qb3 Kh8 19.Rd1 Qc7 20.Qc4 Rad8 21.Rde1 Qa5 22.h3 a6 23.Bc6 Nc6 24.Qh4 Kg8 25.a4 Qd5 26.R6e2 Nd4 27.Nd4 ½–½. Grobler,David J (2245) – Richardson,David (1795), BCCA/TT/PG/2011 (ENG), 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bc4 Nf6 10.0-0 =+.

    9.Bc4 Nf6 10.d5 Qc5 11.Qe2= Na5 (better is 11...Nb4!? 12.Rc1 A) 12...Nbd5?? 13.Nd5 Nd5 14.Bb5 Kd8 15.Ne5 (worse is 15.Rc5 Bc5 16.Ne5 Rf8+-) 15...Qc1 16.Bc1 Bb4 17.Bd2 Bd2 18.Qd2+-; B) 12...Qe7 13.de6 Be6=) 12.Bb5+/- Bd7 13.de6 fe6 14.0-0 (14.Qe6 Qe7 15.Bd7 Nd7 16.Qe7 Ke7 17.Bg5 Nf6+=) 14...Nc6= 15.Ng5 Exerts pressure on the isolated pawn 15...Nd4 16.Bd7 Kd7 17.Qd3 Bd6 18.Nf7 Rhc8 19.Nd6 Qd6 20.Rfd1 Ke7 (20...Ke8 21.Ne4 Qe5 22.Nf6 Qf6 23.Qh7+=) 21.Nb5 (better is 21.Ne4!? Ne4 22.Qe4+/-) 21...Nb5= 22.Qb5 Qc6 23.Qb3 Kf7 24.Rab1 b6 25.Bb4 Rd8 26.Qe3 Rd1 27.Rd1+= Rc8 28.Qf4 Rc7 29.Ba3 Rd7-/+ 30.Rc1 Qd5 31.h3 Qa2 32.Qb4 a5 33.Qf8 Kg6 34.Be7 Qb2 35.Rc6?? Rd1 36.Kh2 Qe5 37.g3 Qe4 (37...Qe4 38.Qe8 Kh6 39.Qh5 Kh5 40.g4 Kh4 41.Bf6 gf6 42.Rb6 Qh1#; 37...Qd5 38.Qe8 Kh6 39.Qh5 Kh5 40.g4 Kh4 41.Bf6 gf6 42.Rb6 Qh1) 0–1. Dudas,Peter (2175) – Varga,Karoly (2160), HUN–chT2, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bd3 Bb4 10.Rc1 Nf6 11.0-0 0-0 12.Re1 Qd8 13.Bg5 h6 14.Be3 Qa5 15.Bd2 Nd5 16.Nd5 ed5 (worse is 16...Qd5 17.Rc6 Bd2 18.Rc5 Be1 19.Rd5 Bf2 20.Kf2 ed5 21.Qb3+-) 17.Rc5 Qa3 (worse is 17...Qa2 18.Rc6 Bd2 19.Rc2 Qc2 20.Qc2 Be1 21.Ne1+=) 18.Re3 (better is 18.Bb4!? Nb4 19.Bb1=) 18...Bc5-/+ 19.Qc2 Be7 (worse is 19...Nd4 20.Nd4 Kh8 21.Nb5 Be3 22.Na3 Bd2 23.Qd2+/-) 20.Bh7 Kh8 21.Ra3 Ba3 22.Bd3 Rd8 23.h3 Bf8 24.g4 Be6 25.Qb2 b6 26.Ba6 Bc8 27.Bb5 Bd7 28.g5 h5 29.g6 fg6 30.Ng5 Kg8 31.Qc2 Ne7 (31...Nd4 32.Qg6 Bf5 33.Qf7 Kh8 34.Bc3+-) 32.Bd7 Rd7 33.Bb4 Rc8 34.Qe2 Rc6 35.Qb5 Rd8 36.Be7 Rc1 37.Kg2 Be7 38.Ne6 Rcc8 39.Nd8 Rd8 ½–½. Saldano – Toro Solis de Ovando, Sicilian Gambit Thematic, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bd3 Bb4 10.Rc1 Nf6 11.0-0 0-0 12.Re1 Qd8 13.Bg5 h6 14.Bh4 Be7 (14...Nd4? 15.Nd4 a6 16.Nf3+-) 15.Bb1 Re8 16.h3 a6 17.Re2 Nb4 18.Ne5 Nd7 19.Be7 Qe7 20.a3 Ne5 21.ab4 Nc6 22.d5 Nb4 23.d6 Qd8 24.Qd4 Nc6 25.Qd3 f5 26.Rce1 Bd7 27.Nd5 (27.Ba2 Nb4 28.Qd4 Na2 29.Ra2 Qf6-/+) 27...ed5-+ 28.Qd5 Kh7 29.Re8 Be8 30.Qf5 g6 31.Qf8 Qd7 32.Bg6 Kg6 33.Qg8 Kf6 ½–½. Saldano – Toro Solis de Ovando, Sicilian Gambit Thematic, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bd3 Bb4 10.Qc2 Nf6 11.0-0 h6 12.a3 Bc3 (12...Ba3? 13.Nb5 Qd8 14.Ra3+-) 13.Bc3 Qd5 14.Rfe1 0-0 15.Rab1 b6 16.Ne5 Bb7 (worse is 16...Nd4 17.Qb2 Bb7 18.Bf1=) 17.Bc4 Qg2! 18.Kg2 Nd4 19.Qe4 Be4 20.Re4 Ne4 21.Bd4 Nd2 22.Rb4 Nc4 23.Rc4 Rfc8 24.Rb4 f6 25.Nf3 Rc7 26.h4 h5 27.a4 Rd8 28.Be3 e5 29.Rb5 Rc4 (better is 29...Kf7!?-+) 30.a5-/+ ba5 31.Ra5 Rg4 32.Kh3 Rd1 33.Nh2 Rh1 34.f3 Rc4 35.Kg2 Rb1 36.Ra7 Rc2 37.Kg3 f5 38.f4 Rc3 (38...Rc3 39.fe5 Re3 40.Kf4 Rh3-+) 0–1. Grobler,David J (2245) – Clough,Fred (2045), BCCA/TT/PG/2011 (ENG), 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bd3 Nf6 10.0-0 Qd8 11.Qe2 Be7 (11...Nd4 12.Nd4 Qd4 13.Rac1-/+) 12.Qe3 (12.Be3 0-0=+) 12...0-0-/+ 13.Rad1 (13.Rfc1 Ng4 14.Qe2 Nd4 15.Nd4 Qd4-/+) 13...Nb4 14.Bb1 b6 15.Ne5 (15.a3 Nbd5 16.Nd5 Qd5-/+) 15...Nbd5 16.Nd5 (16.Qh3 Nc3 17.Bc3 Qd5-/+) 16...Qd5 (16...ed5? 17.Nc6 Qe8 18.Ne7 Kh8 19.Rc1+-; 16...Nd5?! 17.Qh3 g6 18.Nc6=+) 17.Qh3 Bb7 (17...Qd4? 18.Bg5 Qc5 19.Bf6+-) 18.Rfe1 g6 (18...h6 19.Qg3-/+) 19.Bg5=+ Qd8 20.Bh6 (20.Bd3=+) 20...Re8 (20...Bb4!? 21.Re2 Re8=+) 21.Nf7= Qd5 (21...Bg2 22.Qe6 (worse 22.Nd8 Bh3 23.Nc6 Bd6-/+) 22...Qd5 23.Nd8 Qe6 A) worse 24.Re6 Bd5 (24...Rad8?! 25.Kg2 Kf7 26.Rc6=) 25.Rde1 Be6 (25...Rad8?! 26.Re7 Re7 27.Re7=) 26.Ne6 Bb4-/+; B) 24.Ne6+=) 22.Ne5 (22.Ng5 Rac8+-) 22...Bb4 (22...Rac8 23.Bg5+=) 23.Re2 (23.Re3 Qa5+-) 23...Rac8 24.Bg5 (24.Bg6 hg6 25.Qg3 Qg2 26.Qg2 Bg2 27.Kg2 Nd5=) 24...Nh5 (24...Rc3 25.Bd3 Be7 26.Bd2+=) 25.f3 (25.Be4 Qb5 26.Qf3 Rf8+-) 25...Qb5 (25...Bc3 26.Qg4 Ng7 27.Be4=) 26.Bd3 Qa4 (26...Qa5 27.Qg4 Qa4 28.Rb1+=) 27.Rf1 (better 27.Rb1!? Ba6 28.Rb4 Qd1 29.Kf2 Bd3 30.Nd3 Qd3 31.Qg4+= (31.Re6?? Rc2 32.Bd2 Qd2 33.Re2 Re2 34.Kg1 Qd1)) 27...Qa3 1–0. Djosic,Slavoljub (2295) – Stankovic,Dragan P (2205), 1. League Central–SRB, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bd3 Nf6 10.0-0 Be7 11.Re1 0-0 12.Ne4 Qd8 13.Qc2 h6 14.Rad1 Ne4 15.Be4 Nd4 16.Nd4 Qd4 17.Bc3 (17.Bh6!? Qc5 18.Qc5 Bc5 19.Be3=) 17...Qc5-/+ 18.Bh7 Kh8 19.Re5 Qc7 20.Re6 Qc3 21.Qc3 (worse is 21.Re7 Qf6 22.Re3 g6-+) 21...Be6 22.Bb1 Rfd8 23.Re1 Rac8 24.Qf3 b6 25.g3 Bf6 26.Qe4 g6 27.Qf3 Kg7 28.Re6 fe6 29.Qb7 Kh8 30.Qf7 Rd1 31.Kg2 Rb1 32.Qf6 Kh7 33.Qf7 Kh8 34.Qg6 Re1 35.Qh6 Kg8 36.Qg6 Kf8 37.Qf6 Ke8 38.Qh8 Kd7 39.Qg7 Kc6?? (39...Kd8 40.Qa7 Rc6+-) 40.Qc3 (40.Qc3 Kd7 41.Qe1+-) 1–0. Chapman,Mark (2360) – Rout,Ian Clive, Capitol Territory–South m, 1996. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Bd3 Nf6 10.0-0 Be7 11.Ne4 Qd5 12.Qe2 0-0 13.Bc3 Qd8 14.Rad1 Nd5 15.Bd2 b6 16.Neg5 h6 17.Nh7 Re8 18.Ne5 Ne5 (18...Nd4 19.Qh5 Nf5 20.Nf7+/-) 19.de5 g6 20.Bh6? (better is 20.Nf6 Bf6 21.ef6 Qf6 22.Bh6+=) 20...Kh7-+ 21.Qh5 Rh8 22.Be4 Qe8 23.Rd3 (23.Bf4 Kg8 24.Qf3-+) 23...Ba6 24.Rh3 Kg8 25.Rg3 (25.Qf3 Bf1 26.Kf1 Qb5 27.Qe2 Qe2 28.Ke2-+) 25...Rh6 (better is 25...Nf4! 26.Rg6 Ng6 27.Ba8 Qa8-+) 26.Qh6 Bf8 (26...Bf1?? 27.Rh3 Bh4 28.Rh4 f5 29.Qh8 Kf7 30.Rh7) 27.Qh4 Be7?? (better is 27...Bf1 28.Bg6 fg6-+) 28.Qh6= Bf8 29.Qh4 Bf1 30.Rh3 Bg7 31.Qh7 Kf8 32.Bg6 Be2 33.Be4 Rc8 34.f3 Be5 35.Kf2 Bc4 36.Rh4 Nf6 37.Qh6 Ke7 38.Qg5 Bd4 39.Ke1 Bc3 40.Kf2 Qa4 0–1. Boehmer,Christian – Wolf, Ruhrgebiet VL1, 1999. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.d5 ed5 10.Bb5 Bd6 11.Qe2 Nge7 12.Nd5 Qd8 13.Bg5 Be6 14.Rd1 (better is 14.Be7!? Be7 15.Ne7 Qe7 16.0-0-/+) 14...Bd5-+ 15.Rd5 Bb4 16.Rd2 Bd2 17.Nd2 f6 18.Bf4 Qd4 (18...Qd4 19.Be3 Qa1 20.Qd1 Qd1 21.Kd1 Nd5-+) 0–1. Norberg,Johan (2205) – Dragicevic,Drazen (2170), SWE–chB Gothenburg, 2006. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.d5 ed5 10.Bb5 Qd8 11.0-0 Nf6 12.Re1 Be7 13.Ne5 Bd7 14.Nd7 Qd7 (14...Nd7? 15.Nd5 0-0 16.Bc6+-; 14...Kd7?! 15.Rb1 Bd6 16.Bg5=) 15.Qe2 (15.Bg5 Kf8-/+) 15...d4 16.Ne4 0-0 17.Rad1 Rfe8 18.Bc4 (18.Qd3 a6 19.Bc6 bc6 20.Nf6 Bf6 (20...gf6?! 21.Bh6 Kh8 22.Qc4=+) 21.Re8 Qe8-+) 18...Ne4 19.Qe4 Bf6 20.Qb1 Re1 21.Re1 a6 22.Qe4 Rd8 23.h4 (23.Bd3 g6 24.Qf4-+) 23...Ne5 24.Bb3 Qc6 25.Qf5 g6 26.Qf4? (26.Qh3-+) 26...Nd3 27.Qe4 (27.Qh6 Ne1 28.Be1 Qe4-+) 27...Ne1 28.Qe1 Re8 29.Qd1 Qe4 (29...Bh4!? 30.Qg4 Bf6 31.Qd1-+) 30.h5 Qe2 31.Qc1 Qh5 32.Qc7 Rf8 (32...g5 33.Qd7 Re2 34.Qc8 Kg7 35.Bb4-+) 33.Bb4 Be5 34.Qb7 (34.Qd7 Qh2 35.Kf1 d3 36.Qd3 Qh1 37.Ke2 Qh5 (worse 37...Qg2 38.Bf8 Qg4 39.Qf3 Qf3 40.Kf3 Kf8 41.Ke4-+) 38.Ke1 Rb8-+) 34...d3 (better 34...Qf5 35.g3 Rb8-+) 35.Bf8?? (35.g3 Bd4 36.Bf8-+) 35...Qh2 36.Kf1 Qh1 0-1. Koval,Artem (2260) - Priasmoro,Novendra (2500), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Ne4 Bb4 10.Nd6 Ke7 11.Nc4 Bd2 12.Nfd2 Qd8 13.Qb3 Kf8 14.Nf3 Nge7 15.Be2 Nd5 (15...Nd4? 16.Nd4 Nd5 17.Rd1+-) 16.0-0 Qe7 17.Rfc1 f6 18.Bd3 Nf4 19.Bf1 Kf7 20.g3 Nd5 21.Bd3 g5 22.Ne3 Na5 23.Qd1 Ne3 24.fe3 Kg7 25.Rab1 b6 26.Nd2 Rd8 27.Qh5 Kg8 28.Ne4 f5 29.Ng5 Bb7 30.Kf2 Rac8 31.g4 Be4 32.Ne4 fe4 33.Be4 Nc4 34.Ke2 Nd6 35.Bd3 Qg7 36.h3 Rf8 37.Rc8 Rc8 38.Rf1 h6 39.h4 Rf8 40.Rf8 Kf8 41.g5 hg5 42.hg5 e5 43.Qh6 Qh6 44.gh6 e4 45.Ba6 Kf7 46.Kf2 b5 47.Kg3 Kg6 48.Kf4 Kh6 49.Ke5 Nc4 50.Ke4 Kg5 51.a4 Kf6?! (51...Nd6 52.Kd5 Nc4 53.ab5 Ne3 54.Ke6 Nf5+-) 52.Bb5 Nd6 53.Kd5 Ke7 54.e4 Nb7 55.e5 Nd8 56.a5 Ne6 57.Kc4 1–0. Schreiber,Kurt – Svensson, W–Cup3 sf14 corr, 1980. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Rb1 Nf6

    10.Bb5 Qc7 11.0-0 Be7 12.Qe2 Bd7 13.Rfc1 0-0 14.Bd3 Rfd8 15.Ne4 Nd5 16.g3 Be8 17.Nc5 b6 18.Ne4 Ba3 19.Rc4 0–1. Bronstein,David I (2465) – Comp Deep Thought II, Palo Alto rap rapid, 1992. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Bb5 Qc7 11.Qa4 Bd7 12.0-0 Bd6 13.d5 (13.Be2 0-0=+) 13...Nd5-/+ 14.Nd5 ed5 15.Rfe1 Be6 16.Ng5 (16.Bc3 Kf8-/+) 16...0-0 17.Qh4 (better 17.Re6!? fe6 18.Qh4-/+) 17...Bf5-+ 18.Rbc1 Bg6 (better 18...Rfe8-+) 19.Qg4? (19.Be3 Qa5 20.a4 a6 21.Bc6 bc6-+) 19...a6 (19...Bh2 20.Kh1 Bd6 21.Be3-+) 20.Ba4 (20.Bc6 bc6 (20...Bh2?! 21.Kh1 bc6 22.f4=+) 21.h4 Qc8-+) 20...Bh2 21.Kh1 Be5 22.f4 (22.Bc2 Bc2 23.Rc2 Qd6-+) 22...Bf6 (22...Bb2!? 23.Rcd1-+) 23.f5 Qd7 24.Rf1 Bg5 25.Bg5 (25.Qg5 f6 26.Qf4 Bf7-+) 25...f6 26.Bh4 b5 27.Bb3 Ne5 28.Qg3 Bf5 29.Rc5 (29.Bf6 Rf6 30.Qe5 Rd8-+) 29...Be6 (better 29...Be4 30.Rf6 Kh8 31.Rf8 Rf8-+) 30.Bf6 Ng4 31.Rc7 Nf6?? (better 31...Qc7! 32.Qc7 Nf6-+ (32...gf6?! 33.Qc6 Rfe8 34.Bd5 Bd5 35.Qd5 Kh8 36.Qd7=+; 32...Rf6?! 33.Rf6 Nf6 34.Qc6-/+)) 32.Rd7 (better 32.Rf6!? Rf6 33.Rd7 Bd7 34.Bd5 Be6 35.Ba8 Ba2 36.Bb7+-) 32...Nd7=+ 33.Re1? (better 33.Rf8 Nf8 34.Qd6=+) 33...Bf7-+ 34.Re7 Nf6 35.Qd6 Rfe8 (better 35...a5!?-+) 36.Re8-/+ Re8 37.Qa6 Ng4 (37...Re1!? 38.Kh2 Be8-/+) 38.g3= Re1 39.Kg2 Re8 40.Qb5 h6 (40...g5 41.a4+=) 41.a4+= Ne3 42.Kf2 Nf5? (better 42...Ng4 43.Kg1 Re1 44.Kg2 Re5+/-) 43.Bd5+- Rf8 44.Bf7 Rf7 45.Kg1 g5? (45...Kh7+-) 46.a5 Ne3 (46...Kh7 47.a6 Ng3 48.Qe8+-) 47.Qb8 (better 47.Qe8 Kg7 48.Qe3 Rf6+-) 47...Kg7 (47...Kh7 48.Qb1 Kg7 49.Qa1 Kg6+-) 48.Qe5 Kh7 49.Qe3 h5 50.a6 h4 51.a7 hg3 52.a8Q (52.a8Q Rf1 53.Kf1 g2 54.Qg2 g4 55.Qg4 Kh8 56.Qh6) 1-0. Christiansen,Johan_Sebastian (2615) - Tomczak,Mikolaj (2430), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Bb5 Qd8 11.0-0 Be7 12.Ne5 Bd7 13.Ba4 Qc8 (13...Nd4?? 14.Nd7 b5 15.Nb5 Nb5 A) 16.Bb5?! Nd7 17.Qa4 a6+-; B) worse 16.Rb5 Nd7 (16...Qd7?? 17.Rb7 Bc5 18.Ba5+-) 17.Rb7 0-0 18.Rd7 Qe8+-; C) 16.Nf6 Bf6 17.Bb5 (17.Rb5?! 0-0+-) 17...Kf8 18.Qf3+-) 14.Bg5 0-0 15.Rc1 Qd8 16.Nc6 (16.Nd7 Qd7 17.Bf6 Bf6=+ (worse 17...gf6 18.d5 ed5 19.Nd5+=)) 16...Bc6-/+ 17.Bc6 bc6 18.Qa4 Nd5 (18...Qd7 19.Ne2-/+) 19.Be7=+ Ne7 20.Rfd1 Qd7 21.Ne4 Exerts pressure on the isolated pawn 21...Rfb8 22.Qa3 (22.Nc5 Qd5=+) 22...Rb6 23.Rd2 Rab8 24.Nc5 Qd8 25.Rdd1 (25.Qa7 Rb1 26.Nd3 Rc1 27.Nc1 Rb1=+) 25...Nf5 26.Qd3 (26.Na6 Ra8-/+) 26...Qd5 27.Nb3 Rd8 28.Rc5 Qd6 29.h3 h6 30.Qc3 Ne7 31.Rc1 Rb5 32.Rc4 Rb6 (32...Nd5 33.Qf3-/+) 33.Rc5 Rd7 34.Na5 (34.Rc4 Nd5 35.Qf3 Rd8-/+) 34...Qf4 (34...Qd4 35.Qd4 Rd4 36.Nc6 Nc6 37.Rc6 Rc6 38.Rc6-/+) 35.Nc4 (35.Nb3 Nd5 36.Qc4 Rc7=+) 35...Rb8 (35...Ra6 36.Ra5 Ra5 37.Na5 Rd4 38.Nc6-/+) 36.Rd1 Rdb7 37.Qc2 Nf5 (better 37...Nd5-/+) 38.Qc3? (better 38.g3 Qg5 39.Rc6=+) 38...Rb1-+ Do you see the mate threat? 39.Qe1 Rd1 40.Qd1 Qd4 41.Qd4 Nd4 42.Ra5 Rb7 43.Ra6 f6 44.f3 Kf7?? (44...e5 45.Kf2-+) 45.Kf2 (better 45.Nd6 Ke7 46.Nb7+-) 45...Ke7-+ 46.Ke3 e5 47.Na5 (47.f4 Nc2 48.Ke4 Nb4-+) 47...Rc7 48.Ke4 Kd6 49.Nc4 Kc5 50.Ne3 g6 51.g4 (51.Ra4 f5 52.Kd3 Rd7 53.Rc4 Kb5 54.a4 Kb6-+) 51...Kb5 (better 51...Kb4!? 52.Kd3 Nf3 53.Nc2 Kb5 54.Ra3-+) 52.Ra3 a5 (52...Ne6 53.Nd1-+) 53.Rc3 (53.f4 ef4 54.Kd4 Rd7 (54...fe3?! 55.Rb3 Ka4 56.Re3-/+) 55.Ke4 fe3 56.Ke3 a4-+) 53...Rd7 54.Nc4 (54.Ng2 a4-+) 54...a4 (54...Ne2 55.Rc2-+) 55.Rc1 (55.Na3 Kb4 56.Nb1 c5-+) 55...Ne6 (55...Ne2 56.Rc2-+) 56.Na3 Kb6 (56...Kb4 57.Nb1 c5 58.Ke3-+) 57.Ke3 (57.Nc4 Kc7-+) 57...Rd4 (57...Nf4 58.Nc4 Kb5 59.h4-+) 58.Nc4 Kc7 59.Nd2 (59.Na3 Kd7 60.Nc2 Rc4-+) 59...Nf4 60.Ne4 (60.Nc4 Rd3 61.Ke4 c5-+) 60...Nd5 (better 60...Rd3!? 61.Kf2-+) 61.Ke2 f5 62.gf5 (62.Nf2 Nf4 63.Ke3 Kd6-+) 62...gf5 63.Nc5 (63.Nf2 Kd6-+) 63...Nf4 64.Ke3 Kb6 65.Rc2 (65.h4 a3-+) 65...Nh3 (65...Kb5 66.Nb7 Rd3 67.Kf2 Nh3 68.Ke1-+) 66.Ne6 Rd5 (66...Rd6!? 67.Ng7 f4 68.Ke4-+) 67.Rb2 Ka5 (67...Rb5 68.Rh2 Ng5 69.Ng5 hg5 70.Rg2-+) 68.Rb8 (68.Rc2 c5-+) 68...f4 (68...Rd6!? 69.Nd8 f4 70.Ke2-+) 69.Ke4 Ng5 (better 69...a3-+) 70.Kf5 (70.Ng5 hg5 71.Rg8 Rd4 72.Ke5 Rd5 73.Ke4 Kb4-+) 70...Ne6 (better 70...e4 71.Kf4 Ne6 72.Ke4 Ng5 73.Ke3 Re5 74.Kf4-+) 71.Ke6 a3 (71...Rd2!? 72.Ke5 Ra2 73.Rh8-+) 72.Rb3 Ka4 73.Rc3 Rd2 74.Ke5 Ra2 75.Rc6 Kb5 (better 75...Re2 76.Kf4 a2 77.Ra6 Kb3 78.Rb6 Kc2 79.Rc6 Kb1 80.Rb6 Kc1 81.Rc6 Rc2 82.Rh6-+) 76.Rh6 Rc2 (76...Rb2 77.Rh1-+) 77.Kf4 a2 78.Rh1 Kb4 79.Kg5 Rb2 (79...Rc5 80.Kg6-+) 80.Ra1 Ka3 81.f4 Rb1?? (better 81...Rg2!? 82.Kf6-+) 82.Ra2 Ka2 83.f5 Kb3 84.f6 Kc4 85.f7 Rf1 86.Kg6 Kd5 87.Kg7 Rg1 88.Kh7 Rf1 89.Kg7 Ke6 Threatening mate: Rxf7 90.f8Q Rf8 91.Kf8 Ke5 ½–½. Christiansen,Johan_Sebastian (2490) – Agdestein,Simen (2585), ch–NOR Blitz, 2018. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Bc4 Bb4=+ 11.Rb4 (11.Rb3!?=+) 11...Qb4-/+ 12.Nb5 Qe7 13.Bf4 0-0 14.Bd6 Qd8 15.Bf8 Kf8 16.Bd3 (16.0-0 a6 17.Nc3 b5-/+) 16...a6 17.Qa4 (17.Nc3 Nd4 18.0-0 b5 19.Bb5 ab5 20.Nd4 b4-+) 17...Qa5 (17...Bd7 18.Qa3 Qe7 19.Qe7 Ke7 20.Nc3-+) 18.Qa5-/+ Na5 19.Nd6 (19.Nc3 b5-/+) 19...Ke7 20.Ne4 Ne4 21.Be4 Bd7 22.Ne5 (22.Ke2 Rc8-/+) 22...Rc8 (22...Bb5 23.Kd2-+) 23.0-0 (23.Kd2-+) 23...f6 (better 23...f5!? 24.Bb1 Nc4-+) 24.Nd7=+ Kd7 25.d5 (25.Bh7!? Kd6 26.Rd1=+) 25...f5-/+ 26.de6 Ke6 27.Bd3 (27.Bf3 Rc2-/+) 27...Rc3 (27...Rd8 28.Bc2-+) 28.Re1-/+ Kf6 29.Rd1 Ra3 (29...g6 30.g3-/+) 30.Rd2 (30.g4 fg4 31.Bh7 Ra2 32.Rd6 Ke7-/+) 30...b5 31.f4 (31.Be2 Ke5-+) 31...Ra4 (31...Nb7 32.Bb1-+) 32.g3 (32.Be2 Ke6 (32...Rf4?! 33.Rd6 Ke5 34.Ra6=) 33.g3 Nc4 34.Bc4 Rc4 35.Re2 Re4-/+) 32...Rd4-+ 33.Rd1 Nc4 34.Be2 Rd1 35.Bd1 Ke6 36.Kf2 (36.Bf3 Kd6-+) 36...Kd5 37.Bc2 (37.Bf3 Kd4-+) 37...g6 38.h4 (38.Bd1 Kd4-+) 38...h5 39.g4? (39.Bd1-+) 39...hg4 40.a4 (40.h5 gh5 41.Bf5-+) 40...b4 41.Bb3 (41.Ke1 Ne3 42.Bb3 Ke4-+) 41...a5 42.Ke2 Kd4 (42...Kd4 43.Bc2 Ne3-+) 0–1. Drill,Frank (2000) – Peek,Marcel (2290), 21. HZ Open, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Nb5 Bb4

    10.Rb1 Bd2 11.Qd2 Qd2 12.Kd2 Ke7 13.Nc7 Rb8 14.Ne5 Ne5 15.de5 Nh6 16.Na6 Ra8 17.Nc7 ½–½. Schirmer,Michael (2150) – Kondziela,Andreas (2090), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Rb1 Bd2 11.Qd2 Qd2 12.Kd2 Ke7 13.d5 ed5 14.Nc7 Rb8 15.Bb5 Bd7 16.Nd5 Kd6 17.Ne3 Nf6 18.Ng5 Ke7 19.Rhe1 Rhd8 20.Bd3 Kf8 21.f4 (21.Nh7?? Nh7 22.Ke2 Nf6-+) 21...h6 22.Nf3 Be6 23.a3 Ne4 24.Kc2 Nf2 25.Bf1 Nd4 26.Nd4 Rbc8 27.Kb2 Rd4 28.Ka1 Rf4 29.Rb7 Re4 30.Rb2 (worse is 30.Ra7 Rc3-+) 30...Nd1! 31.Rd1 (31.Rd1 Re3; 31.Nd1 Re1) 31...Re3 32.Bd3 Rc3 33.Rb8 Ke7 (33...Ke7 34.Rb7 Kf6-+) 0–1. Rennert,Ralf (1890) – Schirmer,Michael (2150), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Nd6 Ke7 11.Nc4 Bd2 12.Nfd2 Qd5 13.Qb3 b5 (worse 13...Qd4 14.Qa3 Ke8 15.Rd1=) 14.Qa3 (14.Ne3 Qb3 15.Nb3 a6=+) 14...b4-/+ 15.Qg3 Nf6 16.Bd3 (16.Nb3 A) 16...Nd4?! 17.Ne3 Qe4 18.Bd3 Nf3 19.Ke2 (19.Qf3? Qd3 20.Rc1 Bd7-+) 19...Nd4 20.Ke1 Nf3 21.Ke2 (21.Qf3? Qd3 22.Rc1 Bd7-+) 21...Nd4 22.Ke1 Nf3 23.Ke2= (23.Qf3? Qd3 24.Rc1 Rb8-+); B) 16...Rd8 17.Rd1 Kf8-/+) 16...Bb7 17.0-0 Rad8 (17...Rhd8 18.a3-+) 18.Rfd1 (18.a3 Qd4 19.Be2 Kf8 20.ab4 Nd5= (worse 20...Nb4 21.Nb3 Qd7 22.Ra7+-)) 18...h5 (18...Nd4 19.Ne3 Qd6 20.Qg5-+) 19.h4 (19.Ne3 Qd7=+) 19...Rhg8 (19...Qd4!? 20.Be4 Nd5-/+) 20.Nf3 (20.Nb3 Rge8=+) 20...Nd4 21.Nd4 Qd4 22.Ne5 Rd5 23.Nf7 (better 23.Rac1!? Qe5 24.Qe5 Re5 25.Rc7 Nd7 26.Rb7-/+) 23...Qg4-+ 24.Qg4 Ng4 25.Ng5 (25.Bg6 Rc8-+) 25...Rgd8 26.Be2 Rd1 (26...Rd2 27.Re1 Bd5 28.Nh3-+) 27.Rd1 (better 27.Bd1 Rd3 28.Bb3-+) 27...Rd1 28.Bd1 Bd5 29.Bb3 Ne5 30.f3?! (30.Kf1 Nd3 31.Nf3-+) 30...Nd3 31.Ne4 (31.Kf1 Bb3 32.ab3 Nc5-+) 31…Nc1 (31...Nc1 32.Nd2 a5-+) 0–1. Kuhn,N (2090) – Neukirchner,Pascal (2150), 9th Vellmar Open, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Nd6 Ke7 11.Nc4 Bd2 12.Nfd2 Qd5 13.Nf3 Nf6 14.Qa4 Rd8 (14...Nd4? 15.Qb4 Kd7 16.Nd4+-) 15.0-0-0 (better is 15.Qa3!? Ke8 16.Rd1-/+) 15...b5-+ 16.Qa3 b4 17.Qa4 Bb7 18.Be2 Ne4 19.Nfe5 Rab8 (better is 19...Rac8!? 20.Nc6 Rc6 21.Qb4 Ke8 22.f3-+) 20.Bf3 Nd4 (20...Rbc8 21.Kb2 Kf8 (21...Nd4?! 22.Qb4 Ke8 23.Rhe1-/+) 22.Nc6 A) 22...Rc6?! 23.Ne3 (worse is 23.Qb4 Ke8 24.Be4 Qe4-/+) 23...Nc3 A1) worse is 24.Bd5 Na4 25.Kb3 ed5 (worse is 25...Rd5 26.Nd5 ed5 27.Ka4+=) 26.Ka4 Ra6 27.Kb4 Ra2-/+; A2) 24.Qb4 Qd6 25.Qd6 Rdd6 26.Bc6 Nd1 27.Rd1 Bc6 28.Rc1=; B) 22...Qc4?! 23.Nd8 Qc3 24.Kb1 Rd8 25.Qc2 Rd4 26.Qb2 Nd2 27.Ka1 Bf3 28.gf3-+; C) 22...Qc6 23.Qb4 Kg8-+) 21.Rhe1+= f5 22.g4?? (better is 22.Be4 fe4 23.Qb4 Ke8 24.Qa4 Kf8 25.Qb4 Kg8 26.Qa5+=) 22...Qc5-+ 23.Be4 fe4 24.Qa5 Rbc8 25.Kb1? Qa5 26.Na5 Ba8 27.Rc1 Kf6 (27...Kf6 28.Nac4 g5-+) 0–1. Alon,Levi – Dobierzin,Olaf, IBCA–ol blind, 1980. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Nd6 Ke7 11.Nc4 Bd2 12.Nfd2 Qd8 13.Qb3 Kf8 14.Nf3 Nf6 (14...Nd4 15.Nd4 Qd4 16.Qb4 Ne7 17.Rd1 Qe4 18.Be2+-) 15.Be2 g6 (15...Nd4? 16.Nd4 Qe7 17.Bf3+-) 16.0-0 Kg7 17.Rfd1 b6 18.Qb2 Nd5 19.Nfe5 Nce7 20.Rac1 f6 21.Ng4 Qd7 22.Qa3 Rd8 23.Bf3 Bb7 24.Nce3 Ne3 25.Qe3 Nf5 26.Qf4 (26.Qe2 Bf3 27.Qf3-/+) 26...g5 27.Qc7 Bf3 28.gf3 Kg6 29.f4 (29.Qc2 Rac8 30.Qe4 Rc1 31.Rc1 Qd5-+) 29...Qc7 30.Rc7 Nd4 (30...Rd4?! 31.Rd4 Nd4 32.fg5 fg5 33.Rd7 Ne2 34.Kf1-+) 31.Kg2 Ne2 32.Rd8 Nf4 (32...Rd8?! 33.fg5 Kg5 34.Ne3-+) 33.Kf3 Rd8 34.Ra7 h5 35.Ne3 e5 36.Ra6 (36.Rb7 Rd4 37.h4 gh4 38.Rb6 Kg5-+) 36...g4 37.Kg3 Kg5 38.h4 gh3 39.Rb6 h4 40.Kf3 f5 (40...f5 41.Nf5 Kf5 42.Rf6 Kf6 43.Ke3 h2 44.f3 h1Q 45.Kf2 Qg2 46.Ke3 Qe2; 40...h2 41.Rb1 Rd4 42.Rg1 hg1N) 0–1. Mouzon,Harold – Rind,Bruce (2395), Washington op, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    9.Nb5 Qd8

    10.Bf4 Bb4

    11.Nd2 Ba5 12.Nd6 Kf8 13.Qh5 g6 14.Qc5 (better is 14.Qd1!?-/+) 14...Bb4-+ 15.Nb7 Bc5 16.Nd8 Bd4 (16...Nd4?! 17.Rc1 Be7 18.Nc6 Nc6 19.Rc6+=) 17.Nc6 Ba1 18.Bd6 Kg7 19.Bb5 Bb7 20.Ke2 Bf6 21.Rc1 Rc8 22.Nb3 Bc6 23.Rc6 Rc6 24.Bc6 Ne7 25.Be4 Rd8 26.Bc5 Nd5 27.Bd5 ed5 28.Ba7 Ra8 29.Be3 Ra2 30.Kd3 Ra3 31.Kc2 Be5 32.g3 Kf6 33.Nc5 d4 34.Bd2 Kf5 35.Nd3 Ke4 36.f3 Kd5 37.Bc1 Ra2 38.Bb2 Bd6 39.Kb3 Ra8 40.Kc2 (40.Bc1 Rc8 41.Bd2 Re8-+) 40...Re8 41.Kd2 Re3 42.f4 Kc4 43.Nc1 Bb4 (43...Bb4 44.Kc2 d3 45.Nd3 Rd3 46.Bc1 Rf3 47.g4 h5 48.gh5 gh5 49.Be3 Re3 50.Kb2 Re2 51.Kc1 Kb3 52.h3 Re1) 0–1. Tanti,Joseph – Stadler,Pavel, 62. LSS No Engine Cup Preliminary, 2012. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    11.Nd2 Nd4?? 12.Nc7+= Kf8 13.Na8 e5 14.Qa4 (14.Be5!? Qe7 15.f4+=) 14...a5 (14...Qd6 15.Be3 Bd7 16.Qd1=) 15.a3 (15.Be5?? Nf3 16.Ke2 Ng1 17.Rg1 Bg4 18.Ke3 Bd2 19.Ke4 f5) 15...Bd7 16.Qd1 ef4 (16...Bf5 17.Ra2 ef4 18.ab4 Qe7 19.Be2 Bd3= (19...ab4?? 20.Nb6 g6 21.Ndc4 Ne2 22.Re2+-)) 17.ab4+= Qa8?? (better 17...Bf5 18.Rc1 Qa8+-) 18.Ne4+- Qa7 19.Nc5 b6 20.Qd4 bc5 21.Qd6 (21.Ra5?! cd4 22.Ra7 Ke7+-) 21...Ne7 (21...Ke8 22.ba5 f3 23.gf3+-) 22.Ra5 Qb7 23.Qc5 Qe4 (23...f3 24.Rg1 h5 25.Ra7+-) 24.Kd2 g6 (24...Qc6+-) 25.Bd3 Qc6 (25...Qb7 26.Re1 Bf5 27.Re7 Qe7 28.Ra8 Kg7 29.Qe7 Ra8 30.Bf5 gf5 31.Qg5 Kh8 32.Qf4 Ra2 33.Kc3+-) 26.Qd4 Rg8 (26...Kg8 27.Rc1 Qb7 28.Ra7+-) 27.Be4 Qe6 28.Ra8 Be8 (28...Bc8 29.Rc1 f6 30.Rac8 Nc8 31.Bd5+-) 29.Re1 f6 30.Re8! Ke8 (30...Kg7 31.Rg8 Qg8+-) 31.Bg6! (31.Bg6 Rg6 32.Re6+-) 1–0. Wiander,Michael (2245) – Lauritzson,Peter (2130), TCh–SWE Superettan, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6 9.Nb5 Qd8 10.Bf4 Bb4)

    11.Nd2 e5 12.de5 a6 13.Nd6 Bd6 14.ed6 Nf6 15.Bc4 0-0 16.0-0 Na5 (16...b5 17.Bd3=) 17.Re1 Nc4 18.Nc4 Be6 19.Qd4 Nh5 20.Bd2 Rc8 21.Rac1 f5 1–0. Thiyagarajah,Prakash – Nolan,Kenny, AUS–ch U18 Adelaide, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    11.Nd2 e5 12.de5+= a6 13.Nd6 Bd6 14.ed6 Nf6 15.Bd3 Bg4 16.f3 (16.Qb1 Qd7+=) 16...Nd5 17.Bg3 (worse is 17.fg4 Nf4 18.Nc4 Qf6 19.d7 Kd7 20.Be4 Ke8+=) 17...Be6 18.Nc4 (18.Qb1 Qd7=) 18...0-0 (18...b5 19.Nb2 Ncb4 20.Qd2+=) 19.0-0 (19.Qb1!?=) 19...b5-/+ 20.Be4 (20.Ne5 Ne5 21.Be5-+) 20...Nc3-+ (20...bc4 21.Bd5 Qa5 22.Be6 fe6 23.Qe2 Qc5 24.Kh1+=) 21.Qc2? (better is 21.Qd3 Ne4 22.Qe4 Bc4 23.Qc6 Bf1 24.Kf1-+) 21...Nd4 (21...Bc4?! 22.Qc3 f5 23.Bd3 Bd3 24.Qd3=; 21...Ne4?! 22.Qe4 Bc4 23.Qc6 Bf1 24.Kf1-+) 22.Qb2 Bc4 23.Ba8 Qa8 24.Rfe1 Nde2 25.Kh1 Qd5 26.Qa3 Re8 27.Qc3= Re6 28.Re2 Re2 29.Re1 Re1 30.Qe1 Qe6 31.Qa5 h6 ½–½. Garrido Moreno,Angel Luis – Santos Folch,Adolfo, Asturias–chT40 Primera A, 1999. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    11.Nd2 e5 12.Be5 Ne5 13.de5 a6 14.Nd6 Bd6 15.ed6 Qd6 -/+.

    11.Nd2 Nf6?? 12.Nc7+/- Ke7 13.Na8 Qd4 14.Be3 Qe5 (14...Bd2 15.Bd2 Ne4+=) 15.Rb1+/- Nd5 16.Rb3 Rd8 17.Rb4 Ne3 18.fe3 Nb4 (better is 18...Qe3!? 19.Qe2 Qe2 20.Be2 Nb4-+) 19.Qb3= Qc5 20.Nf3 Bd7 21.Be2 Ra8 0–1. Jones,Ian – Garbar,Andrij (2245), SA–2009–0-00049, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    11.Nd2 Kf8 12.a3 Ba5 13.Rc1 Nf6 14.h3 Nd5 15.Bd6 Kg8 16.Bg3 h5 17.Bd3 h4 18.Bh2 Qg5 19.Bf1 e5 20.de5 Ne5 21.Be5 Bd7 (21...Bd7 22.a4 Re8-+ (worse is 22...Qe5 23.Qe2 Qb2 24.Kd1 Bb5 25.ab5-+)) 0–1. Jones,Ian – Lindsalu,Indrek (2280), BI–2009–P–00022, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    11.Nd2 Kf8 12.Rc1 Qf6 +=.

    9.Bc4 Bb4

    10.Qb3 Nge7 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qc7 14.Bd3 Nd5 15.Bb2 a6 16.Rac1 Qd6 17.Bh7?? (better is 17.Qc2 h6 18.Ne5+=) 17...Kh7-+ 18.Ng5 Kg6 19.Ne4 Qf4 20.Rfe1 f5 21.Nc5 Qd6 (21...Nd4?! 22.Qc4 Nc6 23.Ne6 Qc4 24.Nf8 (24.Rc4?? Be6 25.Re6 Kf7-+) 24...Kf7 25.Rc4 Kf8 26.Rc5-/+) 22.a4 Rh8 23.g3 (23.h3 b6 24.Nd3 Kh7-+) 23...b6 24.Nd3 Bb7 25.Ne5 (25.Rc6 Bc6 26.Ba3 Qc7 27.Ne5 Kh7-+) 25...Ne5 26.de5 Qb4 27.Qa2 (27.Qb4 Nb4 28.Rc7 Nd3 29.Rb7 Ne1 (29...Nb2?! 30.Rb6 Na4 31.Re6 Kf7 32.Rc6-+) 30.Rb6 Rab8-+) 27...Qg4 28.Ba3 (28.Qb3 Rh2! 29.Rc6 Bc6 30.a5 Rah8 31.Qf3 Qf3 32.ab6 Qf2) 28...Rh2! 29.Kh2 (29.Kh2 Rh8 Mate attack) 29...Rh8 (29...Qa4?! 30.f3 Rh8 31.Kg2-+) 30.Kg1 Qf3 (30...Qf3 31.Qd5 Rh1) 0–1. Talberg,Kristian – Paulsen,Viktor (1745), Alta ASKO Hostturnering, 2004. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Qb3 Nf6 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qd8 14.Rad1 Na5 15.Ba5 Qa5 16.Ne5 Rd8 17.Rfe1 (17.Qf3=+) 17...Qb6 (17...Rd4 18.Ba6-/+) 18.Qf3 (18.Qb6 ab6 19.Rd3 Ra5=) 18...Bd7 (18...Rd4 19.Rd4 Qd4 20.Rd1-/+) 19.g4 (better 19.d5!? ed5 20.Bd5=) 19...Be8 (19...Bc6!? 20.Nc6 Qc6 21.Qc6 bc6-/+) 20.g5=+ Nd7 21.Ng4 (21.g6 Ne5 (21...fg6? 22.Ng6 Bg6 23.Re6+-; worse 21...hg6 22.Ng6 Nf6 23.Qh3=) 22.gh7 Kh7 23.de5 Kg8=+) 21...Qc6 (21...Qa5 22.h4-/+) 22.Qd3 (22.Qc6!? bc6 23.Ne5 Ne5 24.de5 Rd1 25.Rd1=+) 22...Rac8 23.Bb5 (23.Ba2-/+) 23...Qc2 (23...Qd5 24.Ne5-+) 24.Qg3 (24.Qc2!? Rc2 25.d5=+) 24...Qf5-/+ 25.d5 Qg5 (worse 25...ed5 26.Re8 Re8 27.Bd7+/-) 26.h4 Qe7 27.Re3 (27.Nh6 Kh8 28.Nf5 Qf6 29.de6 Qf5=+) 27...Kh8 28.Rde1 (28.d6 Qf8 29.Rc3 Rc3 30.Qc3 Nb6 31.Be8 Qe8-+) 28...Nf8 (28...Nb6 29.Be8 Nd5 30.Bb5-+) 29.Be8 Qe8 30.de6 fe6 31.Ne5 Qh5 (31...Rc7 32.Qg5-+) 32.Qf4 (32.Qf3 Qf3 33.Rf3 Kg8-/+) 32...Rd1 33.Kh2 Re1 34.Re1 Ng6 35.Ng6 Qg6 36.Rc1 Qe8 37.Re1 (37.Qa4!?-/+) 37...Qc6 (37...Qe7 38.h5-+) 38.Re5 b6 (38...Qd6 39.Rf5 Qa3 40.Rf7-+) 39.Qe3 Qd6 40.Kg2 Rc6 41.Qf4 h6 42.Qe3 Qe7 43.Qe4 Rd6 44.Qa8 Kh7 45.Qe4 Kh8 46.Qa8 Kh7 47.Qe4 Kg8 48.Qa8 Rd8 49.Qe4 Re8 50.a4 Qf6 51.h5 Rf8 52.Qe3 (52.f3 Re8-+) 52...Qf4 53.Qe2 Qa4 54.Re6 Qf4 55.Re7 Ra8 (55...Qg5 56.Kf1 Qh4 57.Kg1-+) 56.Kf1 (56.Qe6 Kh8 57.Qg6 Qf8-+) 56...a5 57.Qe6 Kh8 58.Rf7? (better 58.Qg6 Qc4 59.Kg1-+) 58...Qc1 59.Kg2 Qg5 60.Kf1 Qh5 61.Rd7 (61.Qd7 Qh1 62.Ke2 Qe4 63.Kf1 Qb1 64.Ke2 a4-+) 61...Qb5 (better 61...Re8 62.Re7 Qb5 63.Kg2 Qg5 64.Kf1 Qe7 65.Qe7 Re7-+) 62.Kg1 Qg5 63.Kf1 Qb5 (63...Rd8 64.Re7-+) 64.Kg1 a4 65.Rc7 Qb1 66.Kh2 (66.Kg2 a3 67.Qg4 Qh7-+) 66...Rf8 67.Kg2 a3 68.Qg4 (68.Ra7 Qb2 69.Qe3-+) 68...Qb2 69.Kh3 a2 (69...a2 70.Ra7 a1Q 71.Ra1 Qa1-+; 69...Rf2 70.Rc8 Kh7 71.Qe4 g6 72.Rc7 Qg7 73.Qb7 Qc7 74.Qc7 Kh8 75.Qc3 Kh7 76.Qa3+-) 0-1. Netusil,M (2185) - Kiss,Pa1 (2275), Frantisek Zita Mem, 2019. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Qb3 Nf6 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qh5 14.Rae1 (14.Rfe1 Rd8+=) 14...Na5 (14...Rd8 15.Rc1-/+) 15.Ba5+= Qa5 16.Re5 Qc7 17.Rc1 Bd7 18.Rc5 Qf4 (18...Bc6 19.Bb5 Qb6 20.Qd3 Bb5 21.Rb5-/+) 19.Qe3 Qe3 20.fe3 Rfc8 21.Bd3 b6 22.Rc8 (22.R5c2 Rc2 23.Rc2 Rc8+=) 22...Rc8 23.Rc8 Bc8 24.Ne5 Bb7 25.Kf2 Kf8 26.g4 g5 27.Kg3 (27.Ke2 Ne4-/+) 27...Ne4 28.Be4 Be4 29.h4 (29.Nc4 Ke7-/+) 29...h6 30.hg5 hg5 31.Nc4 Ke7-+ 32.Nd2 Bc2 33.e4 b5-+ 34.e5 a5 35.Kf2 a4 36.Nf1 b4! 37.Ne3 b3 38.Nc4 Bd3 39.Nb2 Bb5 40.Ke3 Kd7 41.Kf2 Kc6 42.Kf3 Kd5 43.Ke3 Bd7 44.Kd3-+ Bc6 45.Kc3?? Ke4-+ 46.Nc4 Kf4 47.Nd6 Kg4 48.Nf7 Kf4 49.Nd8 Bd5 (49...Bd5-+) 0–1. Littlewood,Paul E (2345) – Bennett,George H (2350), BCF–ch Portsmouth, 1976. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Qb3 Nf6 11.a3 0-0+=.

    10.Rc1 Nf6 11.a3 Bc3 12.Bc3 (better is 12.Rc3!? 0-0 13.Bd3+=) 12...Qa3-+ 13.0-0 0-0 14.Bd3 Nb4 15.Bb4 Qb4 16.Rc4 Qd6 17.Ne5 Bd7 18.g4 (18.Ng4 Nd5 19.Qb1 h6-+) 18...Bb5 (18...h6!? 19.Nd7 Qd7 20.Qf3-+) 19.g5 Nd5 20.Qb1?? (better is 20.Bh7 Kh7 21.Qb1 Kg8 22.Qb5-/+) 20...Bc4 21.Bh7 Kh8 22.Qe4 Nf4! (22...Bf1?? 23.Qh4 Nf6 24.gf6 Be2 25.Bg6 Bh5 26.Qh5 Kg8 27.Qh7) 23.Nc4 (23.Qf4 Kh7 Deflection) 23...Qd4! 24.Ne5 (24.Qd4 Ne2 Double attack (24...Ne2 Decoy)) 24...Qe4 (24...Rad8 25.Nf3 Qe4 26.Be4-+) 25.Be4 f6 26.Nd7 0–1. Knox,David (2210) – Turner,Matthew (2395), BCF–ch, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Qc2 Nf6 11.0-0 0-0 12.a3 Ba3? 13.Ne4 Qf5 14.Nf6 Qf6 15.Ra3 Nd4 16.Nd4 Qd4 17.Be3+-.

    10.Qc2 Nf6 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qc7 14.Rac1 Qd6 15.a4 Rd8 16.Rfd1 Nb4 17.Qb2 Nbd5 18.Bd2 Bd7 19.a5 Ba4 20.Re1 Rd7 21.Ra1 Bc6 22.Ne5 Rc7 23.Nc6 Qc6 24.Rec1 Rac8 25.a6 b6 26.Be2 Qd6 27.Bf3 Rc4 28.Qb5 Qc7 29.g3 Qc6 30.Qb3 Kh8 31.Be2 Rc1 32.Rc1 Qd7 33.Rc8 Qc8 34.Bd3 h6 35.Qb5 Ne8 36.Kf1 Nd6 37.Qa4 Kg8 38.h4 Qc7 39.Bf4 (better is 39.Kg2!?-/+) 39...Nf4-+ 40.gf4 Qc3 41.Ke2 b5! 42.Qc2 (42.Bb5 Qb2 Double attack (42...Qb2 Decoy)) 42...Qd4 43.Qc7 0–1. Bronstein,David I (2465) – Comp Deep Thought II, Palo Alto rap rapid, 1992. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    10.Qc2 Nf6 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qd8 14.Rab1 Nd5 (14...Qd6 15.Rb3=+) 15.Bd2 (15.Rfc1 Nc3 16.Qc3 Qd6=+) 15...Nce7 (15...Qd6 16.Bb5=+) 16.Bd3 h6 17.Rfc1 b6 18.Ne5 Bb7 19.Qd1 Nf6 20.Bb4 Nfd5 (20...Qd4?? 21.Bh7 (21.Be7?! Qe5 22.Bf8 Rf8=+) 21...Kh7 22.Qd4+-) 21.Bd2 Nf6 22.Bb4 Re8 (22...Bd5 23.Qe1=+) 23.Ng4 (23.Bb5!? Qd5 24.Qf1 Qd4 25.Bc3=) 23...Ng4 24.Qg4 a6 25.Bd2 Kh8 (25...Nf5 26.Rc2=+) 26.Be3 (26.Qh4 Nd5 27.Qe4 f5=+) 26...Nd5 27.Qe4 f5 28.Qe5 Qf6 (28...Ne3!? 29.Qe3 Qd6=+) 29.Qf6= gf6 (worse 29...Nf6 30.Rb6 Re7 31.Rcb1+-) 30.Bc4 (better 30.Bh6!? Rac8 31.h4=) 30...Ne3=+ 31.fe3 b5 32.a4 (32.Bb3!?=+) 32...Be4-/+ (32...bc4?! 33.Rb7 Rac8 34.Rb6=) 33.ab5 Bb1 34.Rb1 ab5 (34...Rac8 35.Rb4 ab5 36.Bb5 Rc1 37.Kf2-/+) 35.Rb5 Re7 (35...Rac8 36.Bb3-/+) 36.Rb6 Rae8 37.h3 Kg7 38.Kh2 (38.Rc6 Kf7-/+) 38...Kf7 (38...e5 39.d5-/+) 39.Rc6 Rd8 40.Kh1 (40.Kg3 Rb8-/+) 40...Rdd7 (40...f4 41.ef4 f5 42.g3-/+) 41.Kh2 Rd8 42.Kg1 (42.Kh1 f4 43.ef4 f5-/+) 42...Rde8 (42...f4 43.ef4 f5 44.Kf2 Rd4 45.Kf3-/+) 43.Kh2 Kg6 44.Kh1 (44.Kg3 e5-/+) 44...e5 45.d5 (45.Kg1 Ra7 46.Kf2 Ra3-+) 45...Rd8 (45...Ra7 46.Kg1-+) 46.Kh2 (46.Kg1 Rb7-/+) 46...Red7 (46...Ra7 47.Bb3-+) 47.h4 (better 47.Kg3!?-/+) 47...Ra8 48.Kg3 Ra3 49.Kf2 Raa7?? (better 49...Rb7-+) 50.d6-/+ Rdb7 (50...Ra1 51.Be6 Rd8 52.d7-/+) 51.Be6=+ Rb2 52.Kg1 (52.Kf3 h5=+) 52...Ra1 53.Kh2 Rd1 54.d7 Rdd2 (54...Rb7 55.Kg3-/+) 55.Kh1 (55.Kh3 Rb7-/+) 55...Rb1 56.Kh2 Rb7 57.Rc8 (57.Kg3 Rbd7 58.Bd7 Rd7-/+) 57...Rbd7 58.Bd7 Rd7 59.Kg3 Rd1 60.Rg8 Kf7 (60...Kh5 61.Rf8 Rd3 62.Kf2 Kh4 63.Rf6-/+) 61.Rh8 Kg7 62.Rc8 Ra1 63.Rb8 (63.Kf3 Rf1 64.Ke2 Rh1-/+) 63...Ra4 (63...Kg6 64.Rb3-/+) 64.h5 Rg4 65.Kf2 Rh4 66.Rb7 Kf8 67.Rb6 Ke7 68.Rb7 Kd6 69.Rb6 Kc5 70.Rf6 Rh5 71.Kf3 Kd5 72.g3 Rh1 (72...Rg5 73.Rh6 e4 74.Kg2=+) 73.Rf5= Rf1 74.Kg4 Rf5 75.Kf5 h5 76.Kg5 Ke4 77.Kh5 Ke3 78.g4 Kf3 79.g5 e4 80.g6 e3 81.g7 e2 82.g8Q e1Q 83.Qg4 Kf2 84.Qh4 Ke2 85.Qe1 Ke1 ½–½. Vanczak,Tamas (1835) – Fekete,Albert (2260), M. Kisbocsok–Kisujszallas, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6 9.Bc4 Bb4)

    10.Ne4 Bd2 11.Nfd2 Nh6 12.0-0 0-0 (12...Nd4 13.Nb3 Nb3 14.Bb5 Qb5 15.Nd6 Ke7 16.Nb5 Na1 17.Nc7+=) 13.Nb3 Qb6 14.Rb1 Nf5 15.Qh5 Ncd4 16.Rfc1 Nb3 17.Bb3 Qd4 18.Rc4 Qe5 19.Rd1 b6 20.g4 Ba6 21.f4 Qb8 22.Ra4 Be2 23.Re1 b5 24.Rb4 Qb6 25.Nf2 Bf3 26.Bc2 g6 27.Qh3 Qc5 28.Reb1 Bg4 (28...Qc2?! 29.Qf3 Nd4 30.Qd1 Qd1 31.Rd1 Ne2 32.Kf1-+) 29.Qg4 Qc2 30.Rb5 Qa2 31.R5b2 Qd5 32.Rb5 Qc6 33.Nd3 Qd6 34.Ne5 Qd4 35.Kh1 Qe4 (35...Qe4 36.Qf3 Qf3 37.Nf3 Ne3-+) 0–1. Rennert,Ralf (1890) – Kondziela,Andreas (2090), DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6)

    8.Bd2 Nf6

    9.Rb1 Qd8 10.Bc4 e6 11.0-0 Be7 12.Ne5 (12.Ne2 a5=) 12...0-0 (12...Qd4 13.Nc6 bc6-/+ (13...Qc4 14.Ne7 Bd7 15.Rb7 Ke7 16.Bg5+-)) 13.Nc6= bc6 14.Ne2 c5 15.Bc3 (15.Be3 Bd7+=) 15...Nd5 16.Ba1 a5 (16...Nb6 17.Qc2 cd4 18.Bd3+=) 17.dc5 Bc5 18.Qc1 (18.Qd3 Qg5=) 18...Nf6 (18...Ra7 19.Qd2 Rd7 20.Rb5+=) 19.Rd1 Qe7 20.Rb5? (better is 20.Ng3=) 20...Bd6?? (better is 20...Ng4 21.Bd4 Bd4 22.Nd4 Ba6-/+) 21.Bf6+- gf6?? (better is 21...Bh2 22.Kh2 Qf6+/-) 22.Rh5 Rd8 (22...f5 23.Rd6! Mate attack 23...f6+-) 23.Rd4 (better is 23.Qh6 Qc7 24.Bd3 Bh2 25.Rh2+-) 23...f5+= 24.Qh6 Be5?? (better is 24...f6=) 25.Rg5 Kh8 26.Qh7!! (26.Qh7 Kh7 27.Rh4) 1–0. Kotsuba,Aleksander (2235) – Domnin,Sergiy (2070), UKR–ch sf op, 2001. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Qb3 Qd8 10.d5 Nb8 11.Bb5 Bd7 12.Bc4 Qc8 13.Rc1 g6 14.0-0 Bg7 15.Rfe1 0-0 16.Re7 Re8 17.d6 Re7 18.de7 Be8 19.Ne5 Nc6 20.Bf7 Kh8 21.Be8 Ne5 22.Bb5 Nc6 23.Nd5 Qd7 24.Nf6 Bf6 25.Re1 Qd2 26.e8Q Re8 27.Re8 Kg7 28.Rg8 Kh6 29.Qh3 Kg5 30.Qh7 Ne5 31.h4 Kf5 32.Qb7 Qe1 33.Bf1 Bh4 (33...Qc1 34.Rf8 Qc6 35.Qe7+-) 34.Rf8 Bf6 35.Qc8 Kg5 36.f4! Kh6 (36...Kf4 37.Rf6 Deflection) 37.Rh8! Bh8 (37...Bh8 38.Qh8 Mate attack) 38.Qh8 1–0. Tymms,JDM – Richardson,David (1795), BCCA/TT/PG/2011 (ENG), 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Bb5 a6 10.Ba4 e6 11.Ne5 Bd7 12.Nd7 Nd7 13.0-0 Bb4 (13...Nd4 14.Bd7 Kd7 15.Be3 Qc3 16.Bd4+-) 14.d5 Bc3 (14...ed5 15.Re1 Kf8 16.Ne4 Bd2 17.Nd2-/+) 15.Bc3 Qc3 16.dc6 bc6 17.Rc1 Qa5? (better is 17...Qb4 18.Bc6 Rd8+=) 18.Bc6+- Ra7 19.Qd6 Qc7 (19...Qd8 20.Rb1 Rc7 21.Rfd1 Rc6 22.Qc6+-) 20.Bd7 Qd7 21.Qb8 (21.Qb8 Qd8 22.Qa7+-) 1–0. Wolloner,T (2120) – Fegebank,F (2030), Hamburg GER, St. Pauli Open, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Bb5 Bd7 10.Qb3 Qc7 11.0-0 Rd8 12.d5 Na5 13.Qb4 e6 14.Qa4 a6 (worse is 14...ed5 15.Bd7 Qd7 16.Qa5+-) 15.Bd7 Rd7 (worse is 15...Nd7 16.de6 fe6 17.Rae1+/-) 16.Rac1 Nc4 17.de6 fe6 18.Nb1 Nb6 19.Qb3 (worse is 19.Rc7 Na4 20.Rfc1 Bd6 21.Rc8 Rd8+=) 19...Qd6 20.Rfe1 Nfd5 21.Ng5 e5 22.f4 Be7 23.fe5 Qb8 24.Ne6 g6 25.Ba5 Bh4? (25...Qa7 26.Kh1 Bh4+-) 26.g3+- Bd8 27.Nd8 Qd8 28.Nc3 Qb8 29.Bb6 (29.Bb6 Nb6 30.Qb6+-) 1–0. Kondziela,Andreas (2090) – Rennert,Ralf (1890), DESC–online.de, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Bb5 Bd7 10.Qb3 Qc7 11.Rc1 e6 12.0-0 Be7 13.Rfe1 0-0 14.d5 ed5 15.Nd5 Nd5 16.Qd5 Bf6 17.Bg5 Bg5 18.Ng5 h6 19.Ne4 Be6 20.Qh5 Rad8 21.Qh4 Kh8 22.a4 Rd4 23.Qg3 Qg3 24.hg3 Bf5 25.f3 (better is 25.Nc5!?+=) 25...Be4-+ 26.fe4 Ne5 27.a5 a6 28.Bf1 Rfd8 29.Rc7 R8d7 30.Rec1 Kh7 (30...Re4 31.Rd7 Nd7 32.Rc8 Kh7 33.Bd3+=) 31.R7c5 (31.Rd7 Rd7 32.Kf2 Rd4-+) 31...f6 32.Rc7 Kg6 (32...Re4?! 33.Rd7 Nd7 34.Bd3=) 33.Rd7 Rd7 34.Be2 Kg5 35.Rc5 g6 36.Bc4 Rd2 37.Bf1 Ra2 38.Rc7 Ra5 39.Rb7 Ra2 40.Rb3 a5 41.Bb5 a4 42.Rb1 a3 43.Bf1 (43.Ba4 Kg4 44.Kh2 Rb2 45.Rb2 ab2 46.Bd1 Kg5-+) 43...Rb2 44.Ra1 (44.Rd1 a2 45.Ra1 Ng4-+) 44...a2 45.Kh2 Rb1 (45...Rb1 46.Ra2 Rf1-+) 0–1. Diaz,JI – Hernandez,Pedro (2125), Havana–ch sf region, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Bb5 Qd8 10.0-0 e6 11.Re1 Be7 12.Ne5 (12.Bc6 bc6 13.Ne5 Bd7=) 12...Bd7=+ 13.Nd7 (13.Rb1 0-0=+) 13...Qd7-/+ (worse 13...Nd7 14.d5 Nd4 15.de6 fe6 16.Qg4 Nb5 17.Nb5+=) 14.d5 (14.Bg5!?-/+) 14...Nd5-+ 15.Qg4 0-0 16.Bh6 (16.Rad1 Rad8-/+) 16...Bf6 17.Ne4?? (better 17.Nd5 Qd5 18.Bc6 bc6 19.Rac1-+) 17...Ba1 18.Ra1 (18.Nc5 Qe7 19.Ra1 Qf6 20.Qg7 Qg7 21.Bg7 Kg7 22.Nb7 Nd4-+) 18…f5 (18...f5 19.Nc5 fg4 20.Nd7 Rfd8-+) 0-1. Bernadskiy,V (2625) - Moiseenko,A1 (2620), Vl Eljanov Mem Final, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2)

    9.Bc4 Qd8 10.d5 Nb8 11.0-0 g6 12.Re1 Bg7 13.Qa4 Nbd7 14.Qb4 0-0 15.Re7 (15.Be3 a5 16.Qb5 Ne8+=) 15...Nb6 16.Rae1 Nc4 17.Qc4 Be6 18.Rb7 Nd5 19.Ne4 (better is 19.Nb5!?=) 19...Nc3-/+ 20.Qc3 Bc3 21.Bc3 f6 (21...Ba2? 22.Nf6 Qf6 23.Bf6+-) 22.Nfg5 Bd5 (22...fg5?? 23.Rg7 Kh8 24.Rg6 Qf6 25.Bf6 Rf6 26.Rf6 Ba2 27.Ng5+-; 22...Ba2?! 23.Nh7 Rf7 24.Nef6 Kg7 25.Nd5 Kh6 26.Bd2 Kg7 27.Rf7 Kf7 28.Bg5=) 23.Rh7 Be4 (23...fg5? 24.Rg7 Kh8 25.Ra7 Kg8 26.Rg7 Kh8 27.Ng5+-) 24.Re4?? (24.Rg7 Kg7 25.Ne6 Kg8 26.Nd8-+) 24...Qd1 (better is 24...Re8 25.Rh8 Kh8 26.Nf7 Kg7 27.Nd8 Re4-+ (27...Rad8?! 28.Re8 Re8 29.h3-/+; 27...Red8?! 28.Kf1-/+)) 25.Re1+= Qe1 26.Be1 fg5 27.Rh6 Kg7 28.Rh3+= Rfe8 29.Bc3 Kf8 30.Rf3 Kg8 31.h3 Rac8 32.Bd4 Rc7 33.Rf6 Ree7 34.Rg6+/- Kh7 35.Rg5 1–0. Ibba,Isacco (2195) – Delorme,Laurie (2000), Pierrefitte op rapid, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Bc4 e6 10.0-0 Bb4 11.Qb3 Qd8 +=.

    9.Bc4 e6 10.d5 Bb4-/+ (worse is 10...ed5 11.Nd5 Qd8 12.Qe2 Be6 13.Nf4+=) 11.Rc1 (better is 11.dc6!? Bc3 12.Bd3-/+) 11...ed5-+ 12.Bb3 (12.Bd3 0-0 13.0-0 Bg4-+) 12...0-0 13.0-0 d4 14.Na4 Bd2 15.Nd2 Qh5 16.f3 Re8 17.Ne4 Ne4 (17...Qh6 18.Nd6 Re7 19.Re1-+) 18.fe4 Bg4 19.Bf7 Qf7 20.Qg4 Qa2 21.Nc5 Ne5 22.Qg3 b6 23.Nb7 Qe2 24.Nd6 Re6 (better is 24...Qe3 25.Qe3 de3 26.Ne8 Re8+=) 25.Nf5+= Rg6 26.Ne7 Kh8 27.Ng6 Ng6 28.Rcd1 Qa2 (better is 28...Qe4!? 29.Rfe1 Qd5+=) 29.Rf2 Qc4 30.e5 (better is 30.Rfd2!?+/-) 30...Qe6 31.Qd3 (31.Rd4 Qe5 (31...Ne5?? 32.Re4+-) 32.Qe5 Ne5+=) 31...Rd8 32.Qe4 h6 (32...Ne5? 33.Rd4 Rc8 34.Rf5 Rc1 35.Kf2 Ng4 36.Kg3+- (36.Qg4?? Qe1 37.Kf3 Rc3 38.Rd3 Rd3 39.Kf4 Qe3)) 33.Rfd2 Rd5 34.Rd4 Re5 35.Qa8 Kh7 36.Rf1 Re2 37.Qf3 Qa2 38.Rd6 Qc2 39.Rd7 Ne5 40.Rg7 Kg7 ½–½. Santos Izquierdo,FJ – Solana Suarez,E (2290), Lanzarote Democracia, 1988. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    9.Bc4 e6 10.Nd5 Qd8 11.Nf6 Qf6 12.Bg5 (better is 12.0-0!? Be7 13.d5 ed5 14.Bg5+=) 12...Bb4-/+ 13.Bd2 Bd2 14.Qd2 0-0 15.0-0 b6 (15...Rd8 16.Qc2+=) 16.Qe3 (16.Bd3 Rd8 17.Rfd1 Bb7-/+) 16...Bb7 17.Bb5 (17.Bd3!?-/+) 17...Nb4 18.Ne5 (18.Qd2 a5 19.Ne5-/+) 18...Nc2 19.Qh3 (19.Nd7 Qf5 (19...Ne3?! 20.Nf6 gf6 21.fe3+=) 20.Qe5 Na1 21.Nf8 Nc2 (21...Kf8?! 22.Qf5 ef5 23.Ra1-/+; 21...Rf8?! 22.Qf5 ef5 23.Ra1-/+) 22.Qf5 ef5-+) 19...Na1 20.Bd3 (20.Ra1 Qf4 21.Bd3 g6-+) 20...g6 (better is 20...Qh6 21.Qh6 gh6 22.Ra1 Rfd8-+) 21.f4 (21.Qe3-+) 21...Rac8 22.Ra1 Qf4 (22...Qf4 23.Qg4 Qe3 24.Kf1 Rfd8-+) 0–1. Andersson,Rikard (2175) – Verkasalo,Tommi (2055), Nordic School–ch U20, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    9.Bb5 e6

    10.d5 ed5 11.Nd5 Qd8 12.Nf6 Qf6 13.0-0 Be7 14.Re1 h6 (14...Qd6 15.Ne5 0-0 16.Nc6 bc6 17.Bc6 Qc6 18.Re7=) 15.Qe2 (15.Qc2 0-0 16.Bc3 Qd6+=) 15...Be6+= 16.Ne5 (16.Rac1 0-0+=) 16...0-0= 17.Bc6 bc6 18.Nc6 Ba3 19.Qa6 (19.Qe3!? Bb2 20.Rad1+=) 19...Bc5-/+ 20.Be3 Be3 21.fe3 Rfe8 (21...Bc8 22.Qc4 Bb7 23.Nd4-/+) 22.Nd4 Qg5 23.Nf3 Qh5 (23...Qe7 24.Rad1-/+) 24.Rac1 Bg4 25.Nd4 Qg5 26.Qa3 Re5 27.Rc3 Rd8 28.Qc1 Rd6 29.Rf1 Bh3 30.Rf2 Rf6 31.Qd2 Rf2 32.Qf2 Qg6 33.Qc2 Rg5 34.Qg6 Rg6 35.Rc2 Kf8 36.Kf1 Be6 37.Ne6 Re6 38.Rc8 Ke7 39.Rc7 Kf6 40.Ra7 Re3 41.Kf2 Rc3 42.a4 ½–½. Gutierrez,Ra (2135) – Acosta,A COL (2320), ITT Millonario de Navidad, 2014. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    10.d5 ed5 11.Nd5 Qd8 12.Nf6 Qf6 13.0-0 Bg4 14.Qc1?? (better is 14.Re1 Be7 15.Bc6 bc6 16.Bb4=) 14...Bf3-/+ 15.Re1 Kd7 16.Re3? (16.gf3 Bd6-/+ (16...Qf3 17.Bf4 Bb4 18.Be2+-)) 16...Bd5 17.Rd3 Qe5 18.Bf4 Qe4 19.f3 Qe6 20.Qd2 Bc5 21.Kh1 Kc8 22.Rd5 Bb4 23.Qd3 Qf6? (23...Re8 24.h3 a6 25.Bc6 bc6+-) 24.Rd1+- a6 25.Bc6 bc6 26.Be5 Qe6 (26...Qe7 27.Qe4 Ra7+-) 27.Rd8 (27.Rd8 Kb7 28.Rd7 Kb6 29.Bc7 Kb7 30.Ba5 Kb8 31.Rd8 Qc8 32.Rc8 Rc8 33.Bb4+-) 1–0. Clough,Fred – Hammond,Terry J, GB corr, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    10.d5 Nd5? 11.Nd5 Qd8 12.Ne3 +-.

    10.Ne5 Qc7 11.Qa4 Bd7 12.Nd7 Qd7 13.0-0 Be7 14.Rac1 0-0 15.Rfd1 Rfc8 16.d5 (16.Bg5!?-/+) 16...Nd5 17.Nd5 ed5 (worse is 17...Qd5 18.Be3 Qe5 19.Bc6 bc6 20.Rc6-/+) 18.Be2 Rd8 19.Bg4 Qc7 20.Rb1 (20.Be3 Bf6-+) 20...Bd6-+ 21.g3 Be5 22.Qb5 Rab8 23.Bg5 f6 24.Be3 d4 25.Bd2 Kh8 26.f4 Bd6 27.Rdc1 Qf7 28.a4 a6 29.Qd3 a5 30.Rb5 Bb4 31.Bf3 Bd2 32.Qd2 Qd7 33.Rd1 Qd6 34.Qd3 Nb4 35.Qf5 g6 36.Qh3 b6 37.Qh6 d3 38.f5 g5 39.Kg2 Rbc8 40.Kh3 Re8 41.Bh5 Re7 42.Bf3 Re3 43.Qh5 Kg7 0–1. Jacko,Vladimir – Bjarnason,Saevar (2325), Bratislava Slovan op, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    10.Ne5 Bd7 11.Nd7 Nd7 12.d5 Ncb8?? (better is 12...Bb4 13.dc6 bc6 14.Bc6 Bc3+=) 13.de6+- fe6 14.Qh5 ½–½. Torrie,John – Papenhausen,Richard, ICCF email, 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.Bd2 Nf6)

    8.d5 Qc3-/+

    9.Bd2 Qb2 10.dc6 bc6 11.Rc1 Qa2 12.Rc6 Bd7 13.Bc4 Qb2 14.Ng5 e6 15.Qf3 +=.

    9.Bd2 Qc5 10.dc6 bc6 11.Rc1 Qd6 12.Bc4 e6 13.0-0 Nf6 14.Re1 Be7 15.Ne5 0-0 16.Bd3 Bb7 17.Rc4 c5 18.Rf4 (18.Qc2 Qd5 19.f3 Ba6-+) 18...Rad8 (18...Qd5 19.f3 Qa2 20.Ra4-+) 19.Re3 Qd5 20.Qf1 Qa2 21.Bc3 (21.Qe1 Bd6 22.Bc3 Qd5-+) 21...Rd3! 22.Nd3 (22.Rd3 Ba6; 22.Nd3 Nd5; 22.Qd3 Nd5) 22...Nd5 23.Bg7 Kg7 24.Rg3 Kh8 25.Rfg4 (25.Re4 c4 26.Ne5 Bd6-+) 25...Bf6 (better is 25...Nf6 26.Nc1 Qa1 27.Rh4-+) 26.Nc5 Bc6 27.Nb3 (27.Rh3 Rg8 28.Rg8 Kg8 29.Ne4-+) 27...Nc3 28.Nc1 Qd5 (28...Qc2 29.h3-+) 29.Rd3 (29.Qe1 Qd1 30.Qd1 Nd1-+) 29...Qf5 30.Rdg3 Rd8 31.Nb3 (31.h3 h5 32.Rg5 Bg5 33.Rc3-+) 31...Qd5 32.Rd4 Bd4 33.Rd3 Qb3 34.Qd1 Qd1 35.Rd1 Nd1 (35...Nd1 36.h3 Bf2 37.Kh2 Rg8 38.g4 Ne3 39.h4 Rg4 40.h5 Rh4) 0–1. Haukenfrers,Dale (2150) – Jodoin,Pierre (1760), Quebec–ch qual, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    9.Bd2 Qc5 10.dc6 Qc6 11.Rc1 Qe4 12.Be2 Bd7 13.Rc4 Qd5 14.Rd4 Qe6 (14...Qa2? 15.Rd7 Kd7 16.Ne5 Kc8 17.Bc4+-) 15.Rd7 Qd7 (15...Kd7 16.Ba5 Ke8 17.Ne5+-) 16.Ne5 Qd5 17.Qa4 Kd8 18.Bf4 f6?? (18...Nf6 19.0-0 e6+-) 19.0-0 (19.Nf7! Qf7 20.Qa5 Kd7 21.Bb5 Ke6 22.Bc4 Kd7 23.Qc7 Ke8 24.Bb5) 19...fe5+/- 20.Rd1 Qd1 21.Qd1 Ke8 22.Bb5 Kf7 23.Qd5 e6 24.Qb7 Be7 25.Qa8 ef4 26.Bc4 g5 27.Qe4 Nf6 28.Qe6 Ke8 29.Qc8 Bd8 30.Qb7 Be7 31.Qb8 Bd8 32.Qa7 Be7 33.a4 h5 34.a5 Rh7 35.a6 Nd7 36.Qa8 Bd8 37.Qe4 Re7 38.Qg6 (38.Qg6 Kf8 39.Qg8) 1–0. Csapo,Zoltan (2170) – Nagy,Laszlo (2060), Budapest FS11 FM–A, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    9.Bd2 Qc5 10.dc6 Qc6 11.Be2 Nf6 12.0-0 e6 13.Ne5 Qd5 14.Qa4 Bd7 15.Nd7 Nd7 (15...Qd7?? 16.Bb5 Bc5 17.Bc3+-) 16.Rfd1 a6 17.Bf3 Qb5 18.Qb5 ab5 19.Bb7 Rb8? (better is 19...Ra7 20.Bc6 Ba3+=) 20.Bc6+- Rb6 21.Rac1 Rc6 22.Rc6 Ne5 23.Rc8 Kd7 24.Rf8! Rf8 25.Bb4 Ke8 26.Bf8 Kf8 27.Rb1 Ke7 28.Rb5 f6 29.a4 Kd6 30.Rb7 Nd7 31.a5 Kc6 32.a6 Nc5 33.Rg7 Na6 34.Rh7 Kd6 35.h4 Nc5 36.h5 Ne4 37.h6 Ng5 38.Rg7 1–0. Voigt,Martin – Aginsky,N, It (open), Hamburg (Germany), 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    9.Bd2 Qa3

    10.dc6 e6?? 11.cb7+- Bb7 12.Bb5 Kd8 13.Bb4 Bd5 14.Ba3 Ba3 15.Bc6 Bb4 16.Kf1 Ke7 (16...Rc8 17.Bd5 Ke7 18.Qd4+-) 17.Bd5 (17.Bd5 Rd8 18.Qd4+-) 1–0. Ciobanu,Au (2275) – Pisu,R (2035), ch–ROU Men, 2012. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    10.dc6 bc6

    11.Rc1 e6 12.Rc6 Bd7 (12...Qa2 13.Rc8 Kd7 14.Ba5 Qd5 15.Ne5 Kd6 16.Bc7 Kc5 17.Qa4 Qe4 18.Qe4 Rc8 19.Qc4) 13.Bb5 (13.Ra6 Qb2+=) 13...Nf6 (13...Qa2 14.Ra6 Qd5 15.Bd7 Qd7 16.0-0-/+) 14.Ne5 Qb2 (14...Qa2 15.Nd7 Nd7 16.Rc7+/-) 15.Qe2? (15.Nd7 Qb5 (worse is 15...Nd7 16.Re6 fe6 17.Bd7 Kd8 18.Bc6+/-) 16.Nf6 gf6+=) 15...Bb4 (better is 15...Qb1 16.Bc1 Bb4 17.Kf1 Bc6 18.Bc6 Ke7-+) 16.Nc4?? (better is 16.0-0 Qd2 17.Nd7 Qe2 18.Nf6 (18.Be2?? Kd7 19.Bb5 Rhb8-+) 18...Ke7 19.Be2 Kf6 20.Rb1-/+) 16...Qb1-+ 17.Qd1 Bd2 (better is 17...Qe4!? 18.Qe2 Qg2 19.Re6 fe6 20.Rf1 Bd2 21.Nd2 Bb5 22.Qb5 Kf7 23.h4-+) 18.Kd2 Qb5 (better is 18...Ne4 19.Ke3 Qb5-+) 19.Nd6= Ke7 20.Nb5 Bc6 21.Nd4 (21.Qa4!? Rhd8 22.Ke2=) 21...Rhd8-/+ 22.Kc3 (22.Ke1!? Bg2 23.Rg1+=) 22...Bg2 23.Rg1 Rac8 24.Kb2 Be4 25.Qa4 Rd7 26.Qa3 Ke8-+ 27.Rg7?? Rd4 28.Qa7 Rc2 29.Kb3 Rd7 30.Qa8 Ke7 31.Qa3-/+ Ke8 32.Qa8 Rd8 33.Qa7 Rd6 34.Qb8 Rd8 35.Qa7 Rd7 36.Qb8 Ke7-/+ 37.Rg3?? Rcc7 38.Qb4 Ke8 39.Ka3?? Ra7-+ 40.Kb3 Rdb7 41.Re3 Rb4 42.Kb4 Ra2 43.f3 Bd5 0–1. Tay,Junior (2225) – Karasik,Evgeni (2190), Canarias en Red prel 4th blitz, 2004. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qa3 10.dc6 bc6)

    11.Qc2 Qd6 12.Bf4 Qb4 13.Bd2 Qd6 14.Be2 Nf6 15.0-0 Nd5 16.Rfd1 e6 17.Ne5 Be7 (worse is 17...Qe5 18.Qc6 Kd8 19.Ba5 Ke7 20.Qa8 Qe2 21.Qc8+/-) 18.Nc6 0-0 19.Bb4 Nb4 20.Rd6 Nc2 21.Ne7 Kh8 22.Rb1 a5 23.Bf3 Ra7 24.Nc8 (24.Nc8 Rc8 25.Rc6+-) 1–0. Yilmaz,Turhan (2360) – Veinger,Itzhak (2410), Kusadasi op, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    11.Qc2 Qd6 12.Bf4 Qb4 13.Bd2 Qd6 14.Bf4 Qb4 15.Bd2 Qd6 16.Bf4 ½–½. Soubirou,O (2090) – Collas,S (2325), ch–FRA w, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qa3 10.dc6 bc6)

    11.Qc2 Qd6 12.Bf4 Qb4 13.Bd2 Qd6 14.Bf4 Qf6 15.Rc1 -/+.

    11.Qc2 Qd6 12.Bf4 Qf6 13.Be5 Bf5 14.Qc5 Qh6 15.Nd4 -/+.

    11.Qc2 Bd7

    12.Rb1 e5 13.Rb3 Qe7 14.Bc4 f6 15.0-0 Nh6 16.Rfb1 Qd8 (16...Qd6 17.Bh6 gh6 18.Rb7+=) 17.Bh6 gh6 18.Rd1 Qc7 19.Nh4 Bg4 20.Rdb1 Rd8? (20...Qc8!?=) 21.h3 (21.Rb7 Rd1 22.Bf1 Qd6 23.Rb8 Kf7 24.R1b7 Bd7 25.Qb3 Rd5+-) 21...Bc8+/- 22.Ng6 hg6?? (better is 22...Rd2 23.Qd2 hg6+/-) 23.Qg6 Ke7 (23...Kd7 24.Qf7 Kd6 25.Rd3 Kc5 26.Rb5 cb5 27.Qc7 Kb4 28.Rb3 Ka4 29.Bb5) 24.Qf7 (24.Qf7 Kd6 25.Rd3 Kc5 26.Rb5 cb5 27.Qc7 Kb4 28.Rb3 Ka4 29.Bb5) 1–0. Steinbacher,Matthias (2380) – Wenzel,Reinhard (2165), Bundesliga, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    12.Rb1 e6 13.Bd3 -/+.

    12.Rb1 e6 13.Ne5 Qc5 14.Qb2 Nf6 15.Rc1 Qb6 16.Qc2 Bb4 17.Bd3 Bd2 18.Qd2 Qc7 19.Nd7 Qd7 20.0-0 0-0 21.Rfd1 Qc7 22.Qc3 Rac8 23.Ba6 Rcd8 24.Be2 Rd1 25.Bd1 Rc8 26.Bf3 c5 27.Qc4 Nd7 28.Qh4 Ne5 29.Be4 Ng6 30.Qg5 (30.Bg6 hg6 31.Qc4-+) 30...Qf4 31.Qf4 Nf4 (31...Nf4 32.Rc4 Nd5-+) 0–1. Descarrega Palau,Miguel (2110) – Kogan,Artur (2530), Tarragona op 4th, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qa3 10.dc6 bc6)

    12.Ne5 Qd6 13.Nc4 Qd4 14.Rd1 Nf6 15.Be3 Qe4 16.Qa4 g6 17.Rd4 Qb1 18.Rd1 Qb7 19.Ne5 Bg7 20.Ba6 Qc7 21.Bf4 g5 22.Bg3 Nd5 (22...Qb6 23.0-0 Bc8 24.Bc4+=) 23.Rd5 (better is 23.Nf7 c5 24.Qa3+/-) 23...cd5+= 24.Nd7 Qc1 (24...Qd7?? 25.Bb5 Qb5 26.Qb5 Kf8 27.Qd5+-) 25.Ke2 Qh1 26.Nb6 Kf8 27.Na8 Qg2 28.Bd3 Bf6 29.Qa7 h5 30.Qe3 h4 31.Be5? (better is 31.Bc7+=) 31...d4!-+ 32.Qd4 Qa8 33.Bf6 ef6 34.Qf6 Qe8?? 35.Kf1+= Rg8 36.Qh6?? Ke7-+ 37.Qb6 Qd7 38.Bb5? Qd6 39.Qe3 Kf6 40.h3 Rd8 41.a4 Kg7?? 42.Qg5+/- Kf8 43.Qh4 Qd1 44.Kg2 Rd6 45.Qh8 Ke7 46.Qh4 Kf8 47.Qh8 Ke7 48.Qh4 Kf8= ½–½. Kharmoudi,Slimane (2010) – Olivier,Jean Christophe (2400), Val Thorens op, 2007. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    12.Ne5 Qd6 13.Nd7 Qd7 14.Be2 Nf6 15.Bf3 Nd5 16.0-0 e6 17.Rac1 Be7 18.Qc6 Qc6 19.Rc6 Kd7 20.Ra6 Rhc8 21.Rd1 Rc6 22.Ra4 Bc5 23.g3 Bb6 24.Be1 Rac8 25.Bd5 ed5 26.Rd5 Ke6 27.Rd2 Rc2 (27...f5 28.Re2 Kf7 29.Ba5+=) 28.Re4= Kf6 29.Rd6 (29.Rf4!? Kg6 30.Rd6 f6 31.Rg4 Kf5 32.Rg7=) 29...Kf5+= 30.Re7 R8c7 31.Rd5 Kf6 32.Re8 (32.Rc7 Bc7 33.a4 Rc1-/+) 32...Re7 (better is 32...Ra2!? 33.Kg2 Rcc2-+) 33.Re7+= Ke7 34.Re5? (better is 34.Bb4 Ke6 35.Rd2 Rd2 36.Bd2+=) 34...Kd6-+ 35.Re4 Ra2 36.Kg2 a5 37.h4 Bc5 38.Kf3 a4 39.Bc3?? (39.Re2 Re2 40.Ke2 a3-+) 39...f6 (better is 39...Rf2 40.Kg4 f5 41.Kg5 fe4-+) 40.Bd4 Ra3 41.Ke2 Kd5 42.Bc5+= Kc5 43.Rg4 g6-+ 44.Kf1 Kb5 45.h5 g5 46.Rd4 Rc3 47.Rd6 a3 48.Kg2 a2 (48...a2 49.Rd1 Kb4-+) 0–1. Tay,Junior (2225) – Laznicka,Viktor (2480), Champions Challenge, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qa3)

    12.Ne5 Nf6 13.Nd7 Nd7 14.Qc6 Rd8 15.Bb5 e6 16.0-0 Be7 17.Qb7 a6 18.Bc6 0-0 (18...Kf8 19.Bd7 Qd6 20.Be6+/-) 19.Bd7 Qd6? (better 19...Rd7!? 20.Qd7 Rd8+/-) 20.Ba4+- Rb8 21.Qa7 Bf6 22.Rad1 1-0. Bellahcene,B (2550) - Arab,A (2485), Casablanca MAR, 2019. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2)

    9.Bd2 Qf6

    10.Bg5-/+ Qd6 11.dc6 bc6 12.Qa4 e6 13.a3 Bd7 14.Ba6 c5 15.Qc4 -/+.

    10.Bg5 Qd6 11.dc6 Qd1 12.Rd1 bc6 13.Rc1 Bd7 14.Ne5 f6 15.Nd7 -/+.

    10.dc6 bc6

    11.Ba5 Bg4 12.Be2 Nh6 13.0-0 e5 (better is 13...Nf5-/+) 14.Ne5+= Be2?? (better is 14...Qe5 15.Bg4 Be7+/-) 15.Qd7 (15.Qe2 Qe6 16.Rfe1 Bd6 17.Nf7 Bh2 18.Kh2 Qe2 19.Nh6 Qe1 20.Re1 Kd7+-) 1–0. Csapo,Zoltan (2145) – Szilardfy,Gyula (2075), Budapest FS10 FM–A, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qf6 10.dc6 bc6)

    11.Rc1 Qd6 12.Qa4+= Bd7 (12...Qe6 13.Be3 Bd7 14.Ba6+= Nf6 15.Bb7=) 13.Bc4 (13.Bf4 e5 14.Ne5 Qb4 15.Qb4 Bb4 16.Bd2 Bd2 17.Kd2 Ne7+=) 13...e6-/+ 14.0-0 Nf6 15.Bc3 (15.Rfd1-/+) 15...Nd5 16.Be5 Qb4 (16...Qa3 17.Qc2-/+) 17.Qc2 f6 18.Rb1 Qa5 19.Bg3 Be7 20.Nd4 (20.Rb7 e5-/+) 20...Qc3-+ 21.Qc3 Nc3 22.Rb7 Nd5 (22...e5 23.Ne6 Be6 24.Be6 Ne2 25.Kh1-+) 23.Re1 (23.Rc1 e5 24.Nb5 cb5 25.Bd5 a6-/+) 23...e5-+ 24.Nb5 0-0-0 (24...a6 25.Nc7 Nc7 26.Rc7-+) 25.Ra7 Nb6 (25...cb5?! 26.Bd5 Bc5 27.Rc1=) 26.Bf1? (better is 26.Na3 Nc4 27.Nc4-+) 26...cb5 27.Rc1 Nc4! 28.Bc4 bc4 29.h4 Kb8 30.Ra5 Bc6 31.Rc4 Bb7 32.h5 Rd1 33.Kh2 Rc8 34.Rc8 Kc8 35.Ra4 Rd4 36.Ra5 Bb4 37.Rb5 Bc6 38.Rb6 Kc7 (38...Kc7 39.Ra6 Kb7 40.Rc6 Kc6-+) 0–1. Csapo,Z (2190) – Banusz,T (2215), Spring Festival, Budapest HUN, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3-/+ 9.Bd2 Qf6 10.dc6 bc6)

    11.Rc1 Bd7 12.Ba6 Qe6 13.Be2 Nf6 (worse 13...Qa2 14.Bc4 Qb2 15.Bc3=+) 14.0-0 g6 (better 14...Qa2!? 15.Re1 Qd5-+) 15.Bc4=+ Nd5 16.Re1 Qd6 17.Bc3 f6 18.Qd4 Bg7 19.Qh4 (better 19.Rb1 a5 20.Rb7-/+) 19...0-0?? (19...Qf4 20.Qf4 Nf4 21.Bd2-/+) 20.Rcd1 (better 20.Bb4! Qb8 21.Be7+=) 20...e6-/+ 21.Bd5 ed5 (21...cd5?! 22.Bb4 Qa6 23.Bf8 Rf8 24.Qb4=+) 22.Bb4 (22.Qd4 Rfb8-+) 22...c5 23.Ba3 Rfe8 24.h3 Re1 25.Re1 Re8 26.Rc1 Rc8 Black prepares c4 27.Ne1 Qb6 28.Qf4 c4 29.Nf3 Be6 30.Nd4 Bf7 (30...f5 31.Rd1-+) 31.Re1 (31.Qd2 f5 32.Bb2 Bh6 33.Qh6 Qb2-+) 31...Qa6 (31...f5 32.Rd1-+) 32.Be7 Qa4 (32...f5 33.Bb4 c3 34.Rc1-+) 33.Qd6 (33.Bf6 Re8 (33...Qa2 34.Bg7 Kg7 35.Qe5 Kg8 36.Ne6+-) 34.Re8 Qe8 35.Bg7 Qe1 36.Kh2 Kg7-+) 33...Re8 34.Nc6 (34.Ne6 Qa5 35.Kf1-+) 34...f5?? (34...Qa2 35.Rf1 Qb2 36.Qd7-+) 35.Rb1? (35.Nd8 Qa5 36.Kf1 Rd8 37.Bd8 Qa2 38.Qb8=+) 35...c3 36.Rb8 c2 (36...Qa2?! 37.Re8 Be8 38.Qe6 Kh8 39.Bf6 Qb1 40.Kh2=+) 37.Re8 (37.Bg5 Qe4 38.Ne7 Qe7 39.Qe7 (39.Be7?? c1Q 40.Kh2 Rc8-+) 39...Rb8 40.Qc7 Rb1 41.Kh2-/+) 37...Be8 38.Bg5 (38.Qd5 Kh8 39.Bg5 Qc6 40.Qc6 Bc6-+) 38...c1Q! 39.Bc1 Qc6 (worse 39...Bc6 40.Bf4 d4 41.Qe6 Kh8 42.Be5-+) 40.Qd8 (40.Qf4 Qc3 41.Qd2 Qd2 42.Bd2 Bb5-+) 40...Qd7 (better 40...Qc1 41.Kh2 Be5 42.g3 Kf8-+) 41.Qe8 (41.Qb8-+) 41...Qe8 42.Be3 Qe4 (better 42...d4 43.Bd2 Qe2-+) 43.f3 Qd3 (43...Qe3 44.Kh2 Be5 45.g3 Qf2 46.Kh1 Bd4 47.a3 Qg1) 44.Kf2 d4 45.Bf4 Qc2 46.Kg3 d3 47.h4 Plans Qe2 47...a6 48.h5 d2 49.hg6 (49.Bd2 Qd2 50.f4 Qe3 51.Kh2 Qf4 52.g3 Qf2 53.Kh3 Be5 54.hg6 Qg3) 49...d1Q 50.gh7 Kh7 51.Kh4 (51.Be3 Be5 52.Bf4 Qe1 53.Kh2 Bf4 54.Kh3 Qg3) 51...Kg6 (51...Qh1 52.Bh2 Qh2 53.Kg5 Qh6) 52.Kg3 Qg1 (52...Qe1 53.Kh3 Qcf2 54.g4 Qef1) 53.Be3 (53.Bd2 Qd2 54.Kh3 Qgg2 55.Kh4 Bf6) 53...Qe3 (53...Qgg2 54.Kf4 Qg5) 54.Kh4 (54.Kh3 Qcf2 55.g4 Qef3) 54...Qcf2 55.g3 Qh6 (55...Qh2) 0-1. Tay,J (2230) - Yuan,Qingyu (2370), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qf6 10.dc6 bc6)

    11.Rc1 e5 12.Qa4 (12.Bg5 Bb4 13.Ke2 Qd6 14.Qd6 Bd6 15.Rc6 Kd7 16.Rc2 Rb8 17.Rd2 f6 18.Be3 Ba6-/+) 12...Bd7 13.Ba6 (13.Qe4 Ba3 14.Rc4 Bb2-/+ (14...Ne7 15.Ne5 Bf5 16.Qe3 Rb8 17.Nc6 Rb1 18.Ke2 Be6-/+) 15.Bc3 Bc3 16.Rc3 Ne7 17.Qe5 Qe5 18.Ne5 f6-/+) 13...Rb8 14.0-0 (14.Bd3 Rb7 15.Be4 Rc7 16.Rb1 Rc8 17.Rb7 Bd6 18.0-0 h6+=) 14...Bd6 (14...c5 15.Qa5 (15.Qe4 Qf5 16.Qe5 Qe5 17.Ne5 Be6 18.Bc4 Rb2-/+) 15...Bd6 (15...Ne7 16.Rc5 Nc6 17.Rc6 Bc6 18.Ne5 Be7+=) 16.Rfe1-/+ Qd8 17.Qd8 Rd8 18.Ne5 Be6+=) 15.Rfe1 (15.Bd3 Ne7 16.Qa7 h6 17.Bc3 Qf4 18.Rce1 f6+=) 15...Ne7 (15...c5 16.Qa3 Qe7 17.Ne5 Be5 18.Bc3 f6+=) 16.Bg5 Qe6 17.Nd4 (17.Bc4 Nd5-/+ 18.Qa7 0-0-/+) 17...Qg4 (17...ed4 18.Re6 Be6 19.Qd4+/-) 18.Be7 Be7 (18...Ke7 19.Nc6 Ke8 20.Qg4 Bg4 21.Nb8 Bb8 22.Bc8+-) 19.Re5 c5 20.Bb5 (20.Re7 Ke7 21.Nc6 Kf6 22.Qg4 Bg4 23.Nb8 Rb8 24.h3-/+) 20...Rb5?? (20...Qd4 21.Bd7 Qd7 22.Re7 Ke7 23.Re1 Kd8-+) 21.Re7?? (21.Qa7 0-0 A) 22.Re7? Qg5 (22...cd4?! 23.Qd7 Qf4 24.Rf1=) 23.Re3 cd4 24.Qd4 Bh3-+; B) 22.Nb5=) 21...Ke7-+ 22.Nc6 Kd6 23.Qb5 Qg2! 24.Kg2 Bc6 25.Qc6 Kc6 26.Rc3 Rc8 27.Kf1 Rc7 28.Ke2 a5 29.Rh3 h6 30.Rg3 g6 31.Rf3 c4 32.Rf6 Kb5 33.Kd2 Kb4 34.Rb6 Ka3 35.Rb5 c3 36.Kc2 a4 37.Ra5 Rc4 38.Ra7 Rf4 0–1. Elsayed,M (2160) – Zozulia,A (2335), Golden Cleopatra, Cairo EGY, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qf6 10.dc6 bc6)

    11.Rc1 e5 12.Qa4 Bd7 13.Be2 Bd6 14.0-0 Ne7 15.Rfe1 0-0 16.Bg5 Qf5 17.Be7 Be7 18.Red1 e4 19.Nd4 Qg6 (19...Qe5 20.Nc6 Bc6 21.Rc6 Rfb8-/+) 20.Nb3? (better is 20.Nc6!? Bc6 21.Rc6+=) 20...Rfd8-+ 21.Bf1 (21.Nc5 Bf5 22.Rd8 Rd8 23.Qa7-+) 21...Bg4 (better is 21...Bg5!? 22.Rc4 e3-+) 22.Rd8 (22.Rc6 Rd1 (22...Bd1?! 23.Rg6 hg6 24.Qe4-/+) 23.Rg6 A) 23...fg6? 24.Qe4 Rad8 25.Qg4+- (25.Qe7?! Rf1 26.Kf1 Rd1 27.Qe1 Re1 28.Ke1 Be6=); B) worse is 23...hg6 24.Qe4 Rad8 25.Qg4+=; C) 23...Be2-+) 22...Rd8 23.Qa7 ½–½. Hennings,Artur (2295) – Stutz,Reno, Mecklenburg VP–ch, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    11.Rc1 e5 12.Qb3 Bd6 13.Rc6 Ne7 14.Bg5 Nc6 (better is 14...Qg6 15.Bb5 Qe4 16.Qe3 Qb1 17.Qc1 Qb5 18.Rd6 Bg4 19.Be7 Bf3 20.gf3 Qa5 21.Ke2 Ke7-/+ (21...Qa2 22.Kf1 Qa4 23.Qc7+-)) 15.Bf6+- gf6 16.Bb5 Bd7? (16...Bb7 17.Qd5 0-0-0 18.0-0+/-) 17.0-0 (better is 17.Qd5 Ke7 18.Bc6+-) 17...Ke7 18.Qd5 Nb4 19.Qb7 Rhd8 20.Bd7 Rab8 21.Qe4 Rd7 22.a3 Na6 23.Nd4 Rb6 24.Nf5 Kd8 25.g3 (better is 25.Nd6!? Rbd6 26.Qh7+/-) 25...Ba3= 26.Ne3 Bc5 27.Qh7 Be3 28.fe3 Nc5 29.Qc2 Nd3 30.Rb1 Rb1 31.Qb1 e4 32.Qb8 (32.Qb5 Ne5 33.Qb8 Ke7 34.Qb4 Ke6 35.Qe4 Rd1 36.Kg2 Rd2 37.Kh3 f5+/-) 32...Ke7+= 33.h4 f5 34.h5 f6 35.g4 fg4 36.h6 Ne5 37.h7 Nf7 38.Qb4 (38.Qb4 Ke8 39.Qe4 Kf8 40.Qa8 Ke7 41.h8Q Nh8 42.Qh8+-) 1–0. Loehn,Carsten – Osswald,Dietrich (2125), Mittelrhein–ch, 1992. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    11.Rc1 e5 12.Be2 Be7 (better is 12...Ne7!?-/+) 13.0-0 Qd6 (better is 13...Qf5!?+=) 14.Qa4= Bd7 15.Bc3 (better is 15.Rfd1 c5 16.Bb5 Bb5 17.Qb5 Kf8 18.Bc3+=) 15...Bf6?? (better is 15...f6 16.Rfd1 Qa3=) 16.Rfd1+- Qc7 (better is 16...Qe7 17.Bc4 e4+/-) 17.Ba5?? (17.Ba6!? e4 18.Qe4 Ne7 19.Bf6 gf6+-) 17...Qc8 (17...Qb7 18.Rb1 Qc8 19.Bc3+=) 18.Bb4 (better is 18.Ne5 Be5 19.Qe4+/-) 18...Ne7?? (better is 18...Rb8=) 19.Ba6+- Qc7 (19...Qb8 20.Be7 Ke7 21.Rb1+-) 20.Ba5 (20.Ba5 Qb8 21.Rb1 Qb1 22.Rb1+-) 1–0. Chandler,Patrick (2260) – Bittner,Peter (2050), Rhein Main op, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3)

    11.Rc1 Bg4 12.Qa4 Bd7 (12...Bf3 13.gf3 Qe6 14.Be3+/- Qd7 15.Rc6+/-) 13.Bf4 e6 14.Ne5 Bd6 15.Nd7 -/+.

    11.Rc1 Bg4 12.Be2 e5 13.Qa4 Bd7 14.Qe4 Ba3 15.Rc4 -/+.

    11.Be2 e5 12.0-0 Bd6 13.Bg5 Qe6 14.Bc4 Qd7 15.Re1 f6 16.Bh4 Ne7 17.Qd2 Bc7 18.Qb4 Nd5 19.Qa3 Qd6 20.Qc1 0-0 21.Bg3 Bb6 22.a4 Be6 23.a5 Bc5 24.Nd2 Bd4 25.Ne4 Qd7 26.Rb1 Bf5 27.Qc2 Kh8 28.Bd3 Be4 29.Re4 f5 30.Re5 Be5 31.Be5 Rae8 32.f4 Nf4! 33.Bf4 Qd4 34.Kh1 Qf4 35.Qc6 Rc8 36.Qf3 Qf3 37.gf3 Rc3 38.Be2 Re8 39.Rb2 g6 40.Kg2 Rce3 41.Bf1 Kg7 42.a6 R8e7 43.Kf2 Kf6 44.Rb8 Ra3 45.Rb2 h5 46.Rc2 Rae3 47.h4 g5 48.hg5 Kg5 49.Rc8 Kf4 50.Rc4= Kg5 51.Rc8 R3e6 52.Bd3 h4 53.Rg8 Kf4 54.Rf8 Re5 55.Rh8 Rd5 56.Bf1 Rd2 57.Kg1 Rg7 58.Kh1 Rd1 59.Kh2 Rf1 60.Rh4 Kf3 61.Rh3 Ke2 (61...Ke2 62.Rb3 Ra1-+; 61...Kf2 62.Rg3 Rh7 63.Rh3 Rh3 64.Kh3 Rh1) 0–1. Sochacki,W (2260) – Klukin,Kirill (1980), Pardubice CZE, Czech Open Rapid, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3-/+ 9.Bd2 Qf6 10.dc6 bc6)

    11.Be2 Nh6 12.0-0 Nf5 13.Qa4 Bd7 14.Bg5 Qg6 15.Rfd1 Nd6 16.Bd3 Qh5 17.Be4 The isolani on c6 becomes a target 17...Rc8 (17...Ne4 18.Rd7 Ng5 (18...Kd7 19.Ne5 Ke6 20.Qe4 Qg5 21.Nf3 Kf6 22.Ng5 Kg5 23.h4 Kf6 24.Qc6 e6 25.Qf3 Ke7 26.Qa8+-) 19.Rd8 Rd8 20.Qc6 Rd7 21.Qc8 Rd8 22.Qc6 Rd7 23.Qc8 Rd8 24.Qc6=) 18.Qa7?? (18.Rd6 ed6 19.Re1+-) 18...h6?? (better 18...f6!?-/+) 19.Bf4 (better 19.Rd6!? Qg4 20.Ne5 ed6 21.Ng4 hg5+-) 19...g5?? (better 19...f6=) 20.Be5 (20.Ne5 Be6 21.Bf3 Qf3 22.Nf3 gf4+-) 20...f6 (better 20...Bg4+-) 21.Rd6! ed6 (21...ed6 22.Bf6 Combination) 22.Bf6 Rg8 (22...Qf7 23.Bh8 Be7+-) 23.Re1 Be6 24.Bg6!! Rg6 (24...Rg6 25.Re6 Mate attack; 24...Qg6 25.Re6 Mate attack) 25.Re6 (25.Re6 Be7 26.Qe7) 1-0. Gareev,T (2605) - Magallanes,Rey Jomar (2035), RBI Open Qualifier, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 Qc3 9.Bd2 Qf6 10.dc6 bc6)

    8.d5 e6

    9.Qb3 Bb4 10.Bd2 ed5 11.Nd5 Bd2 12.Nd2 Nge7 13.Bb5 0-0 14.0-0?? (better is 14.Ne7 Ne7 15.Qa4 Qa4 16.Ba4-/+) 14...Nd5-+ 15.Qd5 Rd8 16.Rfe1 Be6 (16...Be6 17.Qe4 Qb5-+; 16...Rd5?? 17.Re8#; 16...Qd2?? 17.Qd2 Be6 18.Qb2+-) 0–1. Roeseler,Wolfgang – Schmidt,Michael2, Oberliga NRW, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    9.Qb3 ed5 10.Bd2 Nf6 11.Bb5 Bd6 (better is 11...Qd8!?-/+) 12.Nd5+= Qd8 13.Bg5 Be6 14.Bc6 bc6 15.Nf6 Qf6 16.Bf6 Bb3 17.Bg7 Bb4 18.Nd2 Rg8 19.ab3 Rg7 20.g3 Rd8 21.0-0-0 Rg5 22.Rhe1 Kf8 23.Re4 Bc5 24.Rf1 Rd3 25.Kc2 Rgd5 26.Nc4 Rf3 27.Ne5 Rf2 28.Rf2 Bf2 29.Nc6 f5 (29...Rc5!? 30.Rc4 Rh5+=) 30.Re5 Re5 31.Ne5 Ke7 32.Kd3 Ke6 33.Nf3 h5 34.Ng5 Kf6 35.Nh3 Bb6 36.b4 h4 37.gh4 Bc7 38.b5 Bh2 39.Ng5 Bg3 40.Nf3 Kg6 41.Ke3 ½–½. Heuer,Valter – Terentiev,Sergei, LAT–EST m Salatsgrive, 1982. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    9.dc6 Bb4

    10.Rb1 Bc3 11.Nd2 bc6 12.Be2 Nf6 13.0-0 0-0 14.Nc4 Qc7 15.Ba3 c5 16.Bf3 Nd5! 17.Bd5 ed5 18.Ne3 d4 19.Nd5 Qa5 20.Qc1 (20.Nc3 Qa3 (worse is 20...Qc3 21.Qc1-+) 21.Nb5 Qa5-+ (21...Qa2?! 22.Nc7 Be6 23.Na8 Ra8 24.Qf3-+)) 20...Be6 21.Nc3 dc3 22.Re1 Rab8 23.Rb8 Rb8 24.Qf4 Rd8 25.Qg5 (25.Bc1-+) 25...c2 (better is 25...h6!? 26.Qc1 Rd2 27.h3 Ra2 28.Rf1-+) 26.Bb4 Qc7 (better is 26...cb4 27.Qa5 Rd1 28.Qb4 c1Q 29.Qb8 Bc8 30.Qc8 Qc8 31.Rd1 Kf8-+) 27.Bc3 f6 28.Qc1 Bf5 29.f3 h6 30.g4 Bg6 31.f4 Rd3 32.Bd2 (32.f5 Bf5 33.gf5 Rc3 34.Re8 Kh7 35.Re1-+) 32...Qd7 33.Re2 Qg4 (33...Qg4 34.Rg2 Qd1 35.Be1 Qc1 36.Re2 Re3 37.Re3 Qe3 38.Kg2 Be4 39.Kf1 Qf3 40.Bf2 c1Q) 0–1. Csapo,Zoltan (2120) – Metaxasz,Vaszilisz (2180), Budapest FS02 FM–A, 2008. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Bb4)

    10.Rb1 bc6 11.Rb4 Qb4 12.Bd2 +=.

    10.cb7 Bc3 11.Bd2 Bd2 12.Qd2 Qd2 13.Kd2 Bb7 14.Bb5 Ke7 15.Rhc1 Bd5 16.Rc7 Kf6 17.Rd7 Ne7 18.Rc1 Rhd8 (worse is 18...Ba2 19.g4 h6 20.h4-/+) 19.Rcc7 Rd7 20.Rd7 a5 21.a4 Ng6 22.Ne1 Ne5 23.Rc7 Rd8 24.Ke2 Kf5 25.Nc2 Kf6 26.Ne3 Be4 27.f3 Bd3 28.Bd3 Rd3?? (better is 28...Nd3 29.Ra7 Nf4 30.Kf1 h5 31.Ra5 Rd3+=) 29.Ng4+- Ng4 30.Kd3 Ne5 31.Ke4 Ng6 32.Rc5 Ne7 33.Ra5 Nc8 34.Rc5 Nb6 (34...Nd6 35.Kd4 Ke7+-) 35.a5 Nd7 36.Rc8 Ke7 37.a6 f5 38.Ke3 g5 (38...Nb6 39.a7 Nc8+-) 39.a7 Nb6 40.a8Q (better is 40.Rb8 Nd5 41.Kd3+-) 40...Na8 41.Ra8 1–0. Klipper,Rebecca (1810) – Bertrand,Helene (1800), FRA–ch U16 Girls, 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Bb4)

    10.cb7 Bc3 11.Nd2 Bb7 12.Rb1 Bc6 13.Rb3 Nf6 14.Qc2 Ne4 (14...Qe5 15.Be2 Bg2 16.f4 Bd2 17.Qd2-+) 15.Bb5? (better is 15.f3 Nd2 16.Bd2 Bd2 17.Qd2 Qe5 18.Kf2-/+) 15...Bb5-+ 16.Qe4 0-0 17.Qe3 Rac8 18.Rb1 (18.Kd1 Ba4 19.Ke2 Rfd8-+) 18…Rfd8 (18...Rfd8 19.a3 Bd3-+) 0–1. Stanton,William (2165) – Koshy,Varugeese (2420), London SCCU op, 1993. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    10.Bd2 Bc3

    11.Qc1 Bd2-/+ 12.Nd2 Ne7 13.cb7 Bb7 14.Rb1 Bc6 15.Be2 Rd8 16.Rb2 Qg5 17.Rg1 0-0 (17...Bg2?! 18.Rb5 f5 19.Bf3 Qd2 20.Qd2 Bf3 21.Qc2+=) 18.Nb3 Qe5 19.f4 Qf6 20.g3 Rc8 21.Rc2 Ba4 22.Rc8 Rc8 23.Qe3 Bb3 24.ab3 a5 25.Kf2 Nf5 26.Rc1 Rc1 27.Qc1 Qd4 28.Kf3 h5 29.Qd1 Qc3 30.Kf2 Qc5 31.Kf3 Qc6 32.Kf2 Qb6 33.Kf3 Nd4 34.Kg2 Ne2 35.Qe2 Qb3 36.Qh5 Qd5 37.Qf3 a4 0–1. Yilmaz,Turhan (2360) – Grivas,Efstratios (2445), Nea Makri zt, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    11.Qc1 Bd2 12.Nd2 Ne7 13.cb7 Bb7 14.Qb2 0-0 15.Be2 (15.Rc1 Rfb8 16.Rb1 Nd5-+) 15...Ba6 (better is 15...Bg2 16.Rg1 Rab8-+) 16.Ba6 Qa6 17.Qb4 Ng6 18.Qc4 Qa5 19.Rb1 Rfd8 20.Qb4 Qe5 21.Qe4 Qc3 22.Rd1 Rab8 23.Qe3 (23.h4-+) 23...Rd3 24.Qa7 (24.Qe4 Qc2-+) 24...Rbd8 (24...Qd2! 25.Rd2 Rb1 26.Rd1 Rbd1 27.Ke2 Nf4) 25.0-0-+ Rd2 26.Rd2 Qd2 27.a4 Qd5 0–1. Nystrom,Leif – Penttinen,Jarkko, Espoo We MatSK op, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5)

    11.Rc1 Bd2 12.Nd2 Ne7 13.cb7 Bb7 14.Qb3 -+.

    11.Rc1!? Bd2 12.Qd2 Qd2 13.Kd2 bc6 14.Rc6 -/+.

    11.Rc1 Bd2 12.Nd2 Nf6 13.cb7 Bb7-/+ 14.Qb3 Rd8 (14...Bd5 15.Qb5 Qb5 16.Bb5 Kf8 17.a3 Bg2 18.Rg1-+) 15.Qb5-/+ Qb5 16.Bb5 Kf8 17.Rc7 Bg2 (17...Rb8 18.Bc6 Bc6 19.Rc6-/+) 18.Rg1 Bd5 19.Ra7 g6 20.a4 Rc8 21.Ke2 Rc2 22.Kd3 (22.Bd3 Rb2+=) 22...Rc5 23.Kd4= Rc2 24.Nc4 Kg7 25.Nd6 Rf8 26.f4 Rf2 27.Rf1 Rh2 28.a5 Rh5 29.Be2 Rh2 30.Bd3 Ra2 31.Bb5 h5 32.Rg1 Rf2 33.Bd3? Rf4-+ 34.Ke5 Ra4?? 35.Rg6+- (35.Rg6 Kh7 36.Rf6 Kg7 37.Rg6 Kh7 38.Rg1 Be4 39.Be4 Re4 40.Ne4 Kh6 41.Nd6 Rb8 42.Nf7 Kh7 43.Kf6 Rg8 44.Ng5 Kh6 45.Rh7) 1–0. Malzahn,Sven – Felser,Franz, Schleswig Holstein–chC, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Bb4)

    11.Rc1 Bd2 12.Nd2 Nf6 13.Bd3 bc6 14.Rc6? (14.Qc2 0-0-/+) 14...0-0 (14...Bb7 15.Rc4 Bg2 16.Rg1 Qe5 17.Ne4 Be4 18.Be4 Ne4 19.Qa4 Kf8 20.Re4 Qa1 21.Qd1 Qd1 22.Kd1-+) 15.Qc2 Qe5 16.Kf1 Bb7 17.Rc3 Rac8 18.Nc4 Qd4 19.Ke2 Ne4 (19...Nd5!? 20.Rc1 Nc3 21.Qc3 Qg4 22.Ke1 Qg2 23.Qd4-+) 20.Be4 Be4 (20...Qe4?! 21.Qe4 Be4 22.f3-/+) 21.Rd1 Qc4! (21...Qc4 22.Rc4 Bc2-+; 21...Bc2?! 22.Rd4 Bb1 23.Ra3-/+) 0–1. Loehn,Carsten (2195) – Klemm,Dietmar (2220), GER–ch, 1996. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Bb4 10.Bd2 Bc3)

    11.Be2 bc6 12.0-0 Bd2 13.Nd2 Nf6 14.Nc4 Qc7 15.Nd6 Ke7 16.Nc4 Ba6 (16...c5 17.Bf3 Rb8 18.Qc2-+) 17.Rc1 Rhd8 18.Qa4 Bc4 (18...Bb5 19.Qa3 Ke8 20.Rfe1-/+) 19.Rc4 c5 20.Rfc1 Nd7 21.R4c3 Kf8 22.Bb5 a6! 23.Bd7 (23.Ba6 Qb6 Decoy) 23...Qd7 24.Qd7 Rd7 25.Rc5 Rad8 (25...Rb8 26.g3-/+) 26.g3 Rd1 27.Rd1 Rd1 28.Kg2 Rd5 29.Rc2 h5 (29...Rd3 30.Kh3-/+) 30.Rb2 (30.f4 Ke7-/+) 30...g5 31.h3 (31.Kf3 Rf5 32.Ke2 Ra5-/+) 31...Kg7 (31...Ra5 32.Re2-/+) 32.Rc2 (32.Rb3 Ra5 33.a3 Ra4-/+) 32...Kg6 (32...Ra5 33.g4-/+) 33.Rb2 (33.Rc4 a5-/+) 33...Rd3 34.Rc2 Ra3 35.Re2 (35.g4 h4-/+) 35...Kf5 36.Kh2 (36.f3!?-/+) 36...e5-+ 37.Kg2 e4 38.Rc2 (38.Rb2 Ke5-+) 38...f6 39.Rb2 (39.Kf1 h4 40.Kg2 a5-+) 39...Ke5 40.Rc2 Kd4 Black plans e3 (40...a5!? 41.Rc5 Kd4 42.Rc2-+) 41.Rd2 Rd3 42.Rb2 Ra3 43.Rd2 Rd3 44.Rb2 e3 (44...Ke5 45.Rc2-+) 45.Kf3-/+ ef2 46.Kf2 Ra3 47.Rd2 (47.h4 gh4 48.gh4 Ke4-+) 47...Ke4-+ 48.Re2 Kf5 49.Kg2 (49.Rd2 h4 50.gh4 gh4-+) 49...Ra4 Black prepares h4 (49...h4 50.Rf2 Ke5 51.Re2 Kd4 52.gh4 gh4 53.Rd2 Ke4 54.Rc2-+) 50.Rf2 Kg6 51.Rc2 h4 52.g4? (better 52.gh4 gh4 53.Kf3-+) 52...Ra3-+ 53.Rf2 a5 54.Rb2 a4 55.Rc2 Rg3 56.Kh2 Re3 57.Kg2 Kf7 58.Rb2 a3 59.Rf2 (59.Rb6 Re2 60.Kf1 Rh2-+) 59...Ke6 60.Kh2 Ke5 61.Kg2 (61.Rf1 Re2 62.Kg1 Ra2-+) 61...Ke4 62.Rd2 (62.Rc2 Kd3 63.Rc8 Re2 64.Kf3 Ra2-+) 62...Rg3 63.Kh2 Rd3 (better 63...Rc3 64.Kg2 Ke3-+) 64.Rf2 (64.Rc2-+) 64...Ke3 65.Kg2 Rd2 66.Rd2 Kd2 67.Kf2 Kd3 68.Kf3 Kd4 69.Kf2 Ke4 70.Ke2 Kd4 71.Kd2?? (71.Kf2 Kc5 72.Ke3-+) 71...Kc5 (better 71...Ke5 72.Ke3 f5 73.gf5 Kf5 74.Kf3-+) 72.Ke3 Kd5 73.Kf3 Ke5 74.Ke3 f5 75.gf5 Kf5 76.Kf3 Ke5 77.Kg4 Kf6 78.Kf3 Kf5 79.Ke3 (79.Kg2 Kf4 80.Kf1 g4 81.Kg2 gh3 82.Kf2 Ke4 83.Kf1 h2 84.Kg2 Ke5 85.Kf2 h1Q 86.Ke2 Qe4 87.Kd1 Qg2 88.Ke1 h3 89.Kd1 h2 90.Ke1 h1Q) 79...g4 80.hg4 Kg4 81.Kf2 Kf4 (81...Kf4 82.Ke2 Ke4 83.Ke1 Ke3 84.Kf1 Kd4 85.Ke2 h3 86.Kd2 h2 87.Ke1 h1Q 88.Kf2 Qh6 89.Kg3 Ke3 90.Kg2 Qg6 91.Kh3 Kf3 92.Kh4 Qg4; 81...Kf5 82.Kf3 Ke5 83.Ke3 h3 84.Kd3 Kd5 85.Ke3 h2 86.Kf4 h1Q 87.Kg5 Qg2 88.Kf4 Qe4 89.Kg3 Ke5 90.Kh2 Qe2 91.Kh1 Kf4 92.Kg1 Kf3 93.Kh1 Qg2) 0–1. Aydin,Kaan Ayhan (1900) – Usun,T (2055), Turkish Cup (3), 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Bb4 10.Bd2 Bc3)

    11.Be2 Bd2 12.Nd2 Ne7 13.0-0 0-0 14.cb7 Bb7 15.Bf3 Rad8 16.Qb1 Rd2 17.Qb7 Ng6 18.a4 Ne5 19.Rfc1 Rfd8 20.Rc8 (20.Qb5 Nf3 21.gf3 R2d5 22.Qa5 Ra5-+) 20...Nf3 21.gf3 Rc8 22.Qc8 Rd8 23.Rc1 g6 24.Qc7 0–1. Hvenekilde,Jorgen (2265) – Nilssen,John Arni (2335), Tastrup op2, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    11.Be2 Bd2 12.Nd2 Ne7 13.0-0 0-0 14.Nc4 Qg5 15.c7 Nd5 16.Bf3 Nc7 17.Qd6 (17.Qc1 Qf6-/+) 17...Nb5 18.Qb4 Nd4 19.Be4 e5 (19...Rd8 20.Rae1-+) 20.Kh1 Be6 21.Ne3 (21.Nd6 f5 22.Bb7 Rad8-/+) 21...f5 22.Bd5 Bd5 23.Nd5 Nc2 (23...Nc2 24.Qc4 Na1 25.Nc7 Kh8 26.Na8 Ra8 27.Ra1 Qe7-+) 0–1. Tempone,M – Scarella,E, 04, ch–ARG Semi finals, Chaco ARG, 1996. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Bb4 10.Bd2 Bc3)

    9.dc6 Qc3-/+

    10.Bd2 Qc6

    11.Rc1 Qd6 12.Be2 Bd7 13.0-0 Nf6 14.Qb3 Bc6 15.Bb5 -/+.

    11.Rc1 Qe4 A) 12.Be3 A1) 12...Qd5 13.Qd5 (13.Bc4 Bb4 14.Ke2 Qa5 15.Qd4 Nf6 16.Bg5 Be7 17.Qe5 Qe5 18.Ne5-+; 13.Rc2 Qd1 14.Kd1 Nf6 15.Ne5 Bd6 16.Bb5 Ke7 17.Nc4 Bd7 18.Nd6-/+; 13.Qd4 Qd4 14.Bd4 Ne7 15.Bd3 f6 16.Ke2 Nd5 17.Be3 Bd7 18.Rc2-+; 13.Qd2 Qd2 14.Nd2 Nf6 15.Bd4 Bd7 16.Be2 Nd5 17.Bf3 Bc6 18.Rc4-+) 13...ed5 14.Bd3 Bd6 15.Nd4 Bd7 16.Kd1 b6 17.Re1 Kf8 18.Nb5-/+; A2) 12...Nf6 13.Bb5 (13.Bd3 Qb4 14.Bd2 Qa3 15.Rc3 Qd6 16.Qb1 Be7 17.0-0 0-0 18.Rd1-/+) 13...Bd7 14.Bd7 Nd7 15.0-0 Rd8 16.Qb3 b6 17.Rc7 Qb4 18.Ra7+=; A3) 12...Qb4 13.Nd2 (13.Bd2 Qd6 14.Be2 Bd7 15.0-0 Nf6 16.Qb3 Qb6 17.Qd3 Rd8 18.Bc3-/+) 13...Ne7 14.Rb1 Qa5 15.Bb5 Nc6 16.0-0 Bd7 17.Qe2 Be7 18.Nb3-/+; A4) 12...Bd7 13.Bd3 Bb4 14.Ke2 Qd5 15.Rc4 Be7 16.Qb3 Nf6 17.Rd1 b5 18.Rc2-+; B) 12.Be2 Nf6 (12...Bd7 13.Rc4 Qf5 14.Qb3 Qd5 15.Qb2 Bc6 16.0-0 Nf6 17.Rd1 Qb5 18.Qc2+=; 12...Be7 13.Rc4 Qd5 14.Rd4 Qc6 15.Ne5 Qc7 16.Bb5 Kf8 17.0-0 Nf6 18.Qe2+=; 12...Ne7 13.Rc4 Qf5 14.g4 Qf6 15.Rd4 Nc6 16.Bg5 Nd4 17.Bf6 Nf3 18.Bf3+=) 13.0-0 (13.Rc4 Qf5 14.Rf4 Qc5 15.Rc4 Qd6 16.Qc2 Bd7 17.0-0 Nd5 18.Rd1-/+) 13...Bd7 14.Rc4 Qf5 15.Be3 Qa5 16.Qb1 Bc6 17.Nd4 Bd5 18.Ra4-/+.

    11.Bd3 Bd7 12.Rc1 (12.0-0 Qd5 13.Qe2 Qh5-/+) 12...Qd5-+ 13.Qe2 (13.Qc2 Nf6-+) 13...Nf6 14.Ne5? (better 14.Rc2-+) 14...Qg2 (14...Qa2?! 15.0-0-+) 15.Rf1 Bd6 (15...Qh2 16.Bb5 a6 17.Nd7 Nd7 18.Bd7 Kd7 19.Qe4-+) 16.Nd7 (16.h4 Rc8-+) 16...Nd7 (16...Kd7 17.h4-+) 17.Be4 Qh3 (17...Qh2!? 18.Rh1 Qe5 19.Bc3-+) 18.Bb7 Rd8 (18...Rb8 19.Bc6-+) 19.Rc3 (19.Rg1 0-0 20.Bc3 g6-+) 19...Qf5 (better 19...Qh2!? 20.Re3 Rb8 21.Qf3-+) 20.Be4 Qf6 21.Qa6 (21.f4 Bb4 22.Rc2 a5-+) 21...Bf4 (better 21...Bb4 22.Rc2 Bd2 23.Rd2 Qa1 24.Ke2-+) 22.Rd3? (22.Qc6-+) 22...Bd2 (22...Bh2?! 23.Qa7 Qe5 24.Rd4-+) 23.Rd2 0-0 (better 23...Qa1 24.Ke2 Qe5-+) 24.Qa7 Ne5 25.Rd8 Rd8 26.Ke2 (26.Qc7-+) 26...Nc4 (26...Qh4 27.f3 Nc4-+) 27.Qc7?? (better 27.Rd1-/+) 27...Rd2 (27...Rd2 28.Ke1 Qa1 29.Bb1 Qb1) 0–1. Soubirou,Oriane (2075) – Navrotescu,Andreea_Cristiana (2285), French Championship Women Rapid, 2016. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Qc3 10.Bd2 Qc6)

    11.Bd3 Nf6-/+ 12.Qe2 Bd7 13.0-0 Bd6 14.Rac1 Qa4 15.Bg5 -/+.

    11.Be2 Bc5 12.0-0 (12.Rc1 Nf6 13.0-0 0-0 14.Be3 b6 15.Ne5-/+) 12...Ne7 (12...Nf6 A) 13.Ne5 Qd6 (13...Qd5 14.Qa4 Kf8 15.Bc3+=) 14.Bb5 Ke7 15.Nd3-/+; B) 13.Rc1 0-0 14.Be3 b6 15.Ne5-/+) 13.Ne5 (13.Rc1 Qd6 14.Bb5 Nc6 15.Qa4-/+) 13...Qd5 (13...Qe4 14.Bb5 Nc6 15.Qh5-/+) 14.Qa4 Bd7 15.Nd7 (15.Qf4-/+) 15...Qd7 16.Bb5 Nc6 17.Rfd1 0-0 18.Bc3 (18.Be3 Qe7 19.Bc5 Qc5-/+) 18...Qc7 19.Rd3 (19.Qg4 f5 20.Qc4 Qe7-/+) 19...e5 (19...Qb6 20.Rf1-+) 20.Rg3 (20.Bc6!? Qc6 21.Qc6 bc6 22.Be5 Rfe8-/+) 20...Nd4 21.Bd3 Rad8 (21...Rfd8 22.Rc1-+) 22.Rc1 Qe7 23.Qd1 g6 24.Qh5 Qf6 25.Bd2? (25.Qg4 Qf4 26.Qf4 ef4-+) 25...Ne6 (better is 25...Nb3! 26.Rc5 Nc5 27.Bg5-+) 26.Qe2 Nd4 27.Qe4?? Qd6 28.Bg5 Rd7 29.h4 f5 30.Bc4 Kh8 31.Qe1 b5 32.Bh6 Re8 33.Bf1 Bb6 34.Rgc3 e4 35.Be3 a6 36.a4 f4 37.Rc8 Rdd8 38.Rd8 Rd8 39.Bd4 Qd4 40.ab5 e3 41.fe3 Qe3 42.Kh2 Qe1 43.Re1-/+ ab5 44.Bb5 Bf2 45.Re8 Re8-+ 46.Be8 Bh4 47.Bb5 Bg3 48.Kg1 Kg7 49.Be2 h5 50.Bf3 Kh6 51.Bc6 Be1 52.Bd5 Bb4 53.Bc6 Bc5 54.Kh1 g5 55.Kh2 g4 56.Bd5 Kg5 57.Bc6 Kh4 58.Bd5 Bd6 59.Bf7 f3 60.Kg1 Bc5 61.Kf1 f2 62.Be8 Kg5 63.Bc6 Kf4 64.Be8 h4 65.Bc6 Kg3 66.Bd7 h3 67.gh3 Kh3 68.Bc6 ½–½. Voigt,Ma (2295) – Gollasch,T (2125), IHEM, Hamburg GER, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    11.Be2 Nf6 12.0-0 Bc5 13.Ne5 Qd6 14.Qa4 Bd7 15.Nd7 Nd7 16.Rad1 Qe7 17.Bg5 Qg5 18.Qd7 Kf8 19.Qb7 Re8 20.Bb5 Rd8 (20...Qe7 21.Qc6 Bb6 22.Qe8 Qe8 23.Be8 Ke8 24.Rd2+=) 21.h4 (better 21.Rd8 Qd8 22.Rc1 Bf2 23.Kh1+-) 21...Qh4= 22.Rd7 (22.Rd8!? Qd8 23.Rc1 Bf2 24.Kf1=) 22...Be7 (22...Rd7 23.Qd7 Kg8 24.Qe8 Bf8 25.Rd1=+) 23.Rfd1=+ g6 24.Rd8 Bd8 25.Qa7 (25.Rd7 Qf6 26.Qa7 Kg7=+) 25...Kg7 26.a4 (26.Qd4 Qd4 27.Rd4 Bf6-/+) 26...Qb4 (26...Bf6 27.Rd7 Rf8 28.Qc5-/+) 27.Qe3 (better 27.Qd4 Qd4 28.Rd4=+) 27...Bc7 (better 27...Bf6!?-/+) 28.Rd7+= Qf4 (28...Qb1 29.Bf1 Bb8 30.Qe6+=) 29.Qe6 Rd8 30.g3 Rd7 31.Qd7 (31.gf4?? Rd1 (31...fe6?! 32.Bd7 Kf6 33.Kg2=+) 32.Kg2 fe6-+) 31...Qe5 32.Qc6 h5 33.Qf3 (33.Kf1 g5+=) 33...Bb6 34.Kg2 Qd4 35.Be8 f5 36.Bb5 Qe4 (36...Kh6 37.Bc6=) 37.Bc6 (37.Qe4!? fe4 38.Bc6+=) 37...Qf3 (37...Qc2 38.Bd7=) 38.Bf3 Kf6 (38...Kh6 39.Bd5=) 39.Be2 Bd8 (39...Ke5 40.f4 Ke4 41.Bc4+=) 40.f4+= Ke6 (40...Ba5 41.Kf3+=) 41.Bc4 Kf6 42.Be2 Bb6 (42...Ke6 43.Kf3+=) 43.Kf1 (43.Kf3 Bc7+=) 43...Bc7 44.Kg2 h4 (44...Bb6!?=) 45.gh4+= Bf4 46.Bb5 (46.a5!?+=) 46...g5 ½–½. Md,Sariatullah (1975) – Dewan,Shahidul Amin (1950), 1nd Marcel Division Chess League, 2016. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.dc6 Qc3 10.Bd2 Qc6)

    11.Be2 Nf6 12.0-0-/+ Qd5 13.Qb1 Bd7 14.Bc3 Bc6 15.Qb2 -/+.

    11.Be2 Nf6 12.Qb3 Qd5 13.Bc4 Qe4 14.Be3 Be7 15.Rd1 0-0 16.Rd4 Qc6 17.Bb5 Qc7 18.0-0 a6 19.Rc1 Qa5 20.Ra4 Qd8 (20...ab5?! 21.Ra5 Ra5 22.Bc5 Bc5 23.Rc5=) 21.Ne5 Qd5 22.Nc4? (22.Qb2!?-/+) 22...Qb5 23.Qb5 ab5 24.Ra8 bc4 25.Rc4 Bd7 26.Ra7 Bb5 27.Rc7 Rd8 28.g3 Nd5 29.Rcb7 Ne3 30.fe3 Bc5 31.Rf7 Be3 32.Kg2 Rd2 (32...Rd2 33.Kh3 Ba7 34.Ra7 h5-+) 0–1. Molander,Riku (2235) – Lehtinen,Antti (2160), Tampere We Taraus op, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    .....11.Rc1 Qd6

    12.Qa4 Bd7 13.Qb3 (13.Bb5 Nf6 14.0-0 a6 15.Bd7 Qd7 16.Qb3 Qb5 17.Qc2 Bd6 18.a4-/+) 13...Bc6 14.Bb5 Ne7 15.0-0 Bb5 16.Qb5 Qd7 17.Qb3 Rc8 18.Rfd1 -/+.

    12.Qb3 a6 13.Be2 b5 14.0-0 Bb7 15.Rfd1 Bd5 16.Qc2 Ne7 17.Qb2 Nc6 18.Qa1 -+.

    12.Qb3 Nf6-/+ 13.Rc4 (13.Be2 Be7 14.Qb5 Qd7 15.Ne5 Qb5 16.Bb5 Kf8 17.Ke2 Nd5 18.Rc2-+; 13.Bd3 Be7 14.0-0 0-0 15.Rfd1 Nd5 16.Qc2 h6 17.Bc3 Qc5 18.Bh7-/+; 13.Rd1 a6 14.Bd3 b5 15.Bc3 Qa3 16.Bf6 gf6 17.Be4 Qb3 18.ab3-+; 13.Bb5 Bd7 14.Bd7 Qd7 15.0-0 Bd6 16.Bc3 0-0 17.Bf6 gf6 18.Qc3-/+) 13...a6 14.a4 Qa3 15.Qb1 Be7 16.Bd3 0-0 17.Bc1 Qd6 18.0-0 -/+.

    12.Bb5 Bd7 13.Qe2 (13.Qb3 Nf6 14.Bd7 Qd7 15.0-0 Bd6 16.Bc3 0-0 17.Bf6 gf6 18.Qc4-/+; 13.Bd7 Qd7 14.0-0 Nf6 15.Qb3 Bd6 16.Bc3 0-0 17.Bf6 gf6 18.Qc4-/+; 13.Qa4 Nf6 14.0-0 a6 15.Bd7 Qd7 16.Qb3 Qb5 17.Qc2 Bd6 18.a4-/+) 13...Nf6 14.0-0 Bb5 15.Qb5 Qd7 16.Qb3 Bd6 17.Bc3 0-0 18.Bf6 -/+.

    12.Rc8 Rc8-+ 13.Bb5 (13.Qa4 A) 13...Kd8 14.Qa7 Be7 (14...Rb8-+ 15.Bb5 Nf6 16.0-0 h6 17.Bc3 Qc7 18.Rc1+-) 15.Qb7 Rb8 16.Qe4 Nf6 17.Qc2 Nd5 18.a4-+; B) 13...Rc6 14.Bb5 a6 15.Bc6 Qc6 16.Qf4 Bd6 17.Qg4 Ne7 18.0-0-+) 13...Rc6! (13...Kd8 14.0-0 Nf6 15.Ng5 Ke7 16.Qf3 Rc7 17.Bf4 e5 18.Bc1+=) 14.0-0 (14.Bc6 Qc6 15.0-0 Nf6 16.Qb3 Bc5 17.Be3 Be3 18.Qe3-/+) 14...Nf6 15.Qa4 (15.Be3 a6 16.Bc6 Qc6 17.Ne5 Qc8 18.Qb3-/+) 15...a6 16.Ba6 Qa3 (16...ba6 17.Rc1 Qd5 18.Rc6+-) 17.Bb5 Qa4 18.Ba4 Nd7 19.Bc6 bc6 20.Bc3 c5 21.a4 f6 22.Re1 Kf7 23.Rb1 Bd6 24.Kf1 Rb8 25.Rb8 Bb8 26.Ke2 Ke7 27.Kd3 Kd6 28.Kc4 Kc6 29.a5 Ba7 30.h3 Bb8 31.g4 g5 32.Bb2 Bf4 33.Bc3 Bc7 34.Bd2 Bd8 35.Bc3 Bc7 36.Bd2 Bb8 37.Bc3 Bf4 38.Be1 Bc1 39.Bc3 Bf4 ½–½. Grabczewski,Romuald – Klaput,Edward, Ch Poland Katowice Poland, 1961. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    9.Bd2 Bb4

    10.Qb3 ed5 11.Bb5 Nge7 12.0-0 0-0 13.a3 Bc3 14.Bc3 Qb6 15.Qb2 Nf5 16.Bc6 bc6 17.Qd2 d4! 18.Bd4 (18.Bd4 Nd4 Combination; 18.Nd4 Rd8 Decoy) 18...Nd4 19.Qd4 c5 20.Qc3 Bf5 21.Rac1 Rac8 22.Rfe1 c4 23.Ne5 Be6 24.Re3 Rfd8 25.Qc2 Rc5 26.Rce1 Qd6 27.Nf3 Ra5 28.h3 h6 29.Ne5 Ra3 30.Nc4 Re3 31.Ne3 a5 32.Rd1 Qe7 33.Ra1 Rc8 34.Qd3 Rc5 35.f4 Qf6 36.Rf1 Bf5 37.Nf5 Qf5 38.Qe2 Rc2 39.Qe1 Qg6 40.Qe8 Kh7 41.Qa8 Qb6 42.Kh2 Qc6 43.Qc6 Rc6 44.Ra1 Ra6 45.f5 a4 46.Ra3 Kg8 47.Kg3 Kf8 48.Kf4 Ke7 49.Ke4 Kd6 50.Kd4 Ra8 51.g4 f6 0–1. Toro Solis de Ovando – Orseth, Wch18 sf6 corr ICCF, 1991. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    10.Qc1 ed5-/+ 11.a3 Bd6 12.Bb5 Nge7 13.Ne4 Qd8 14.Nd6 Qd6 15.Bb4 Qf6 16.0-0 0-0 17.Bc6 bc6 (17...Nc6?! 18.Bf8 Kf8 19.Rd1=) 18.Re1 Re8 19.Qc5 Be6 20.Bc3 Qf4 21.Nd4 Nf5 22.g3 (22.Nf5 Bf5 23.Re8 Re8 24.Qc6 Qe4-/+) 22...Qd6-+ 23.Qd6 Nd6 24.Bb4 Ne4 (24...Nc4!? 25.Nc6 a5 26.Bc5-+) 25.Nc6-/+ a5 (25...Ng5!? 26.Red1 Kh8-/+) 26.Na5+= Ng5 27.Rec1 d4 28.Rc5 h6 29.Nc6 Bh3 (29...d3!?+=) 30.f4 Nf3 31.Kf2 Nh2 32.Rh5 Bd7 33.Ne7 Re7 34.Be7 Ng4 35.Kg1 f5 36.Rd1 Rc8 37.Bb4 Rc2 38.Rh4 Ne3 39.Rd4 Rg2 40.Kh1 Bc6 41.Rd6?? (41.Rd8 Kf7 42.Rd6-+) 41...Bf3 42.g4 (42.Rd8 Kh7 43.Rh6 Kh6 44.Rh8 Kg6 45.Rh2 Rf2 46.Rg2 Rf1 47.Kh2 Ng4 48.Kh3 Rh1 49.Rh2 Rh2) 42...Rg4 (42...Rg3 43.Kh2 Nf1) 43.Kh2 Nf1 (43...Rh4?! 44.Kg3 Ng2 45.Rd8 Kh7 46.Kf3 Nf4 47.Be1-+) 44.Kh3 Bg2 (44...Rg3) 0–1. Shirazi,Kamran G (2420) – Bonin,Jay R (2385), New York op2, 1990. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.Bd2 Bb4)

    10.Qc1 ed5 11.a3 Bd6 12.Nb5 Qd8 13.Bf4 Bb8 14.Bb8 Rb8 15.Qf4 Qf6 16.Qc1 Qe7 17.Be2 Nf6 18.0-0 0-0 (18...Qe2?! 19.Re1 Qe1 20.Qe1 Be6 21.Ng5=) 19.Re1 Be6 20.Bd3 Rbc8 21.Qf4 Rfd8 22.Rad1 a6 23.Nbd4 Nd4 24.Nd4 Qd6 25.Qh4 h6 26.h3 Re8 27.Re3 Bd7 28.Rde1 Re3 29.Re3 Rc1 30.Bf1 Ne4 31.Rd3 g5 (31...Qb6 32.Qh5 Qb1 33.Qe2-+) 32.Qh5 Qf4 33.Qe2 Rc3 34.g3 (34.Rc3 Nc3 35.Qe7 Bh3-+) 34...Qf6 (34...Qc1!? 35.Rd1 Qa3 36.Bg2-+) 35.Qe3 Rd3 36.Bd3 Bh3 37.Be4 de4 38.Qe4 Be6 (38...h5!? 39.Kh2 Bd7 40.Qe3-+) 39.Ne6-/+ fe6 40.Qb7 Qa1 41.Kg2 Qa3 42.Qd7 Qa2 43.Qe8 Kg7 44.Qd7 Kf6 45.Qd8 Ke5 46.Qc7 Ke4 47.Kg1 Qd5 48.Qb6 (48.Qg7-+) 48...a5 49.f3 0–1. Goumas,Ioannis (2220) – Katsiris,Ioannis (2110), Attica–ch op, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.Bd2 Bb4)

    10.Rc1 ed5-/+ 11.Bd3 (11.a3 Ba3 12.Ra1-/+) 11...Be7 (better is 11...Bg4!?-+) 12.Nb5 Qd8 13.Bf4 Kf8 14.Nc7 Be6 (better is 14...Rb8!? 15.Nb5 Bb4 16.Kf1 Be6=) 15.Na8+= Qa8 16.Qa4 Nf6 17.Bb5 Nd8 (17...Ne4 18.0-0+=) 18.Rc7+/- Nc6 (18...Ne4!?+/-) 19.Bc6+- bc6 20.Ra7 (20.Rc6 Bd7 21.Ne5 Bc6 22.Nc6 Qb7=; 20.Qc6?! Qc6 21.Rc6 Bd8+/-; 20.Qa7?! Qa7 21.Ra7 c5+/-) 20...Qe8 21.0-0 h6 1–0. Sobolevsky,Leonid – Ianov,Viktor (2360), Bratislava Slovan op, 1995. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    10.dc6!? Bc3 11.Rc1 Bd2 12.Qd2 Qd2 13.Kd2 bc6 14.Rc6 -/+.

    10.dc6 Bc3 11.Rc1 Bd2 12.Qd2 Qd2 13.Nd2 bc6 14.Rc6 Nf6 15.Be2 Bd7 16.Rc7 Nd5 17.Rc1 Rb8 18.Nc4 0-0 19.0-0 Bb5 20.Rfd1 Rfc8 21.Bf1 Kf8 22.g3 Rc7 23.Ne5 Nc3 24.Rc3 Rc3 25.Rb1 Rc5 26.Nd7 Bd7 27.Rb8 Ke7 28.Rb7 a5 29.Bd3 f5 30.f4 Kd6 31.Kf2 e5 32.fe5 Re5 33.Ra7 g5 34.Ra6 Bc6 35.a4 Kc7 ½–½. Linklater,Lloyd (1695) – Schipper,Martin, IECG, 1998. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    9.Bd2 ed5

    10.Bb5 Bb4 11.Nd5+= Bd2 12.Qd2 Qd2 13.Kd2 Kf8 14.Bc6 bc6 15.Nc7 Rb8 16.Rab1 Rb1 17.Rb1 Ne7 18.Rb8 g6 19.Ra8 Kg7 20.Ra7 Rd8 21.Kc3 Kf6 22.Nd4 c5 (22...Ke5 23.Nc2=) 23.Nc2 (23.Nb3!?+/-) 23...Rd7 24.Ne8 (better is 24.Kc4!?+=) 24...Ke5 25.Ra5 Nd5 26.Kc4 Re7 (better is 26...Rd8 27.f4 Ke4-+) 27.f4= Nf4?? (better is 27...Kf4 28.Kd5 Re8 29.Kc5 Bh3 30.g3 Kf3 31.Nd4 Kg2=) 28.Rc5+- Ke4 (28...Nd5 29.Rd5 Kf4+-) 29.Nd6 (29.Nf6) 1–0. Bereza,Pavel – Schebler,Gerhard (2475), Internet Section, 2004. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    10.Bb5 Bd6 11.Qe2 Nge7 12.Nd5 Qd8 13.0-0 (13.Rd1 Be6 14.Nc3 0-0+=) 13...0-0 (13...Bh2 14.Nh2 Qd5 15.Bb4-/+) 14.Nf4 (14.Ne7!? Qe7 15.Qe7 Be7 16.Bc6 bc6 17.Rfc1-/+) 14...Bg4 15.Bd3 Ng6 16.Bg6 hg6 17.h3 (better is 17.Qe3!?-+) 17...Nd4! 18.Qd3? (18.Nd4 Be2) 18...Nf3 19.gf3 Bh3! (19...Bh3 20.Nd5 Bf1 21.Kf1 Qh4-+) 0–1. Evertsson,Kristian – Tutic,Resad, Cup Rilton, Stockholm (Sweden), 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    10.Bb5 Bd6 11.Qe2 Kf8 12.Nd5 Qd8 13.0-0 Nge7 14.Nf4 (14.Ne3 Nf5=) 14...Qc7 15.Bc6 Bf4 (better is 15...bc6!? 16.Rad1 Bg4+=) 16.Bf4+= Qf4 17.Rfe1 Qc7 18.Ba4 Be6 19.Rac1 Nc6 20.Ng5 Re8 (better is 20...Bd5!?=) 21.Qf3+/- Kg8 22.Ne6 Re6 23.Re6 fe6 24.Bc6 bc6 25.Rc6 Qd7 26.h3 h6 27.Qe4 Kf7 28.Qf4 Kg6 29.Rc7 Qd1 30.Kh2 Qa1?? (better is 30...Rg8+-) 31.Qg4 Kh7 (31...Kf6 32.Qg7 Kf5 33.Rc5 Qe5 34.Re5 Kf4 35.Qf6) 32.Qe4 Kg8 33.Rc8 (33.Qe6 Kh7 34.Qf5 Kg8 35.Rc8) 33...Kf7+- 34.Rh8 (34.Rh8 Qf6 35.Qa4+-) 1–0. Bereza,Pavel – Brodie,H, It (open), Las Vegas (USA), 1995. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    10.Bb5 Qd8 11.0-0 -/+.

    10.Nb5 Bb4-+ 11.Nd6 Ke7 12.Nc8 Rc8 13.Bd3 Bd2 14.Nd2 Nf6 15.Qe2 Kf8 (15...Kd8 16.0-0-+) 16.0-0 g6 17.Rab1 Qc7 18.Nf3 Kg7 19.Qb2 b6 (19...Na5 20.Rfc1 Qf4 21.Re1-+) 20.Rfc1 (20.Ba6 Rcd8-/+) 20...Qd6-+ 21.Ba6 (21.Rc2 Ne7-/+) 21...Rc7 22.Qc3 (22.a3 Re8-+) 22...Re8 23.Bf1 (23.Qb2 Ne5 24.Nd4 Rc5-+) 23...Ree7 (23...Qf4 24.Qa3-+) 24.Nd4 (24.Qb3 Ne4-+) 24...Nd4 25.Qd4 Rc5 26.Re1 Rc2 27.Re7 (27.Qa4 Rf2! 28.Kf2 Qc5 29.Kf3 Qc3 30.Bd3 Qd3 31.Kf2 Qd2 32.Kf1 Ne4-+) 27...Qe7 28.Bd3 (28.Rb2 Rc1 29.g3 Qe4 30.Qe4 Ne4-+) 28...Rd2 (28...Ra2 29.Rf1-+) 29.Rc1 (29.Qc3 Ra2 30.Qb3-+) 29...Qa3 (29...Qa3 30.Rc3 Qb2-+; 29...Ra2?! 30.h3-+) 0–1. Becuwe,Olivier (2080) – Bailet,Pierre (2515), 6th Lille France, LUC Open, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6 9.Bd2 ed5)

    10.Bd3 Qd8 11.0-0 Bd6 12.Nb5 Nge7 13.Re1 0-0 14.Rb1 Bf5 15.Nd6 Qd6 16.Bf5 Nf5 17.Rb7 Rfe8 18.Qb1 Re1 19.Be1 g6 20.h3 ½–½. Tempone,Marcelo (2450) – Szmukler,Ruben, Buenos Aires FMDA–chT, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qa5 8.d5 e6)

    7.Nc3 Qd8

    8.Bc4 e6+= 9.0-0 Nf6 10.Re1 Be7 11.d5 ed5 12.Bd5 0-0 13.a3 Nd5 14.Nd5 Be6 15.Ne7 Qe7 16.Ng5 h6 17.Ne4 (17.Ne6!? fe6 18.Qg4+=) 17...Rfd8-/+ 18.Qh5 Rd5 19.Qf3 Ne5 (19...Nd4 20.Qd3-/+) 20.Qg3 Ng6 21.Bb2 Rad8 22.Rac1 Rd3 23.f3 b6 24.Qf2 Nf4 25.Be5 Ng6 26.Bb2 f5 27.Ng3 Rd2 28.Re2 Rd1 (28...Re2!? 29.Ne2 Rd2-+) 29.Rd1+= Rd1 30.Nf1? (30.Re1!? Re1 31.Qe1+=) 30...Qd7 (30...Nf4!? 31.Re5-+) 31.Rd2-/+ Rd2 32.Qd2 Qd2 33.Nd2 Nf4 34.Be5 Nd3 35.Bb8 a6 36.Kf1 b5 37.Ke2 Nb2 38.Bc7 Nc4 39.Nb1? Kf7 40.Kd3 Ke7 41.Kd4 Kd7 42.Bf4 g5 43.Bc1 Kd6 44.Nc3 Kc6 45.g3 a5 46.Nd1 b4 47.ab4 ab4 48.Nf2 Kb5 49.Nd3 b3 50.Nc5= Bc8 51.Nb3 Bb7 52.f4 gf4 53.Bf4+= h5 54.Nc5 Bf3 55.Ne6 Nb6 56.Ng7 Kc6 57.h4 Kd7 58.Ke5 Ke7 59.Kf5 Kf7 60.Be5 Nd5? 61.Kg5+- Bd1 62.Nh5 Ne3 63.Nf6 Nf1 64.g4 Ne3 65.Bf4 Ng4 66.Ng4 Kg7 67.h5 Bc2 68.h6 Kf7 69.Ne5 Kg8 70.Kf6 Kh7 71.Ng4 Kg8 72.Ke7 Bh7 73.Nf6+- Kh8 74.Kf8 Bc2 75.h7! Bh7 76.Bh6 (76.Bh6 Be4 77.Bg7) 1–0. Ibba,Isacco – Cardarelli,Angelo, ITA–ch U20 Laveno, 1999. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qd8)

    8.d5= Na5 9.Bb5+= Bd7 10.Bd7 Qd7 11.Ne5 Qd6 12.Qa4 Nc6 13.Nc4 (13.Nd3 e6 14.Nb5 Qd7+-) 13...Qb4 14.dc6 Qa4 15.Na4 b5 16.Ncb6! ab6 17.Nb6 Ra7 18.Bf4 e5 19.Be5 Bb4 20.Ke2 Ne7 21.Bg7?? (better is 21.c7 0-0 22.Rhc1+-) 21...Rg8+= 22.Bb2 Rg2 23.Rhc1 Bd6 24.Nd7 Rh2 25.Nf6 Kf8 26.Nd7 Ke8 27.Nf6 Kd8 28.Rd1+/- Nc8 29.Be5 Ke7? 30.Bh2 Bh2 31.Nd5 Ke6 32.Ne3 Be5+/- 33.Rab1 Ra2 34.Kf3 Na7 35.Rbc1 b4 36.c7 Nc8 37.Rd8 Ra8 38.Nd5 b3?? 39.Rb1 Ra7?? 40.Rc8+- Kd5 41.Rb3 Bc7 42.Rh8 Ra4 43.Rh7 Ke6 44.Re3 Kf6 45.Re4 Ra3 46.Re3 Ra4 47.Rh1 Rb4 48.Ra1 Kf5 49.Raa3 Bb6 50.Re2 Rh4 51.Kg2 Rg4 52.Rg3 Rg3 53.Kg3 Bd4 54.Ra2 Be5 55.Kf3 f6 56.Ra5 Ke6 57.Ra6 Kf5 58.Ra5 Ke6 59.Ke3 Ke7 60.Ke4 Ke6 61.Ra6 Ke7? 62.Kf5 Kf7 63.Ra7 Kf8 64.f3 Bd4 65.Rb7 Bc3 66.Rc7 Bb2 67.Rb7 Bc3 68.Ke4 Be5 69.Rb3 Kf7 70.Rb7 Kf8 71.f4 Bc3 72.Kd5 Ba1 73.Kc4 Ke8 74.Rb1 1–0. Kondziela,Andreas – Winter,Lars, Rhein Main op, 1998. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    8.d5 Nb4 9.Rb1 a5 10.a3 Na6? (10...e6 11.ab4 Bb4+-) 11.Bb5 Bd7 12.Bd7 Qd7 13.Ne5 Qd6 (13...Qf5 14.Qa4 Kd8+-) 14.Qa4 Kd8 15.Nf7 Kc7 16.Nb5 Kb8 17.Nbd6 ed6 18.Qd7 Nc7 (18...Nc5 19.Nd6 Bd6 20.Qd6 Kc8 21.Bf4 Nd3 22.Kd2 Ne5 23.Be5 Nf6 24.Rhc1) 19.Nd8 Ra7 (19...b5 20.Rb5 Ka7 21.Qc7 Ka6 22.Ra5) 20.Nc6 Ka8 21.Qd8 1–0. Janek – Guttesman, internet, 2017. (=1.e4 c5 2.b4 cb4 3.d4 Nc6 4.Nf3 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qd8)

    8.d5 Nb8

    9.Bb5 Bd7 10.0-0 a6 11.Qa4 Bb5 12.Nb5 Nd7 13.Nc3 Ngf6= 14.Bg5 b5 15.Qf4 Rc8 16.Qe3 h6 17.Bh4 (better 17.Bf6!? Nf6 18.Rac1+=) 17...g5-/+ 18.Bg3 Bg7 19.Nd4 Nb6?? (19...Ng4 20.Qd2 Rc4 21.Nce2-/+) 20.d6 (better 20.Nf5 Nc4 21.Ng7 Kf8 22.Ne6 fe6 23.Qe6+=) 20...e6?? (20...Nc4 21.de7 Qd7-/+ (21...Ne3? 22.ed8Q Rd8 23.fe3+-)) 21.Ne6!+- fe6 (21...Nc4 22.Qa7 fe6 23.Qg7 Rf8+-) 22.Qe6 Kf8 23.d7! Rc6 (23...Nbd7 24.Bd6 Mate attack; 23...Qd7 24.Qd6 Double attack (24.Qb6 Discovered attack; 24.Qb6 Deflection; 24.Bd6 Decoy); 23...Nfd7 24.Bd6 Mate attack) 24.Qc6 Nfd7 25.Rad1 Qf6 26.Bd6 Kg8 27.Ne4 Qf7 (27...Qg6+-) 28.Bc7 Qf5 (28...Qc4 29.Qb7 Kh7 30.Rfe1+-) 29.Bb6 Nb6 (29...Ne5 30.Qd5 Qf7 31.Qa8 Kh7 32.Qa6+-) 30.Nd6 Qf4 31.Qb6 Be5 (31...Kh7+-) 32.g3 Qf6 33.Qb8 (33.Rfe1 Kh7 34.Qc7 Kg6 35.Re5 Rg8 36.Qc2 Kg7 37.Ne8 Re8 38.Rd7 Qf7 39.Rf7 Kf7 40.Qf5 Kg7 41.Re8 b4 42.Re7 Kg8 43.Qc8) 33...Kg7 (33...Qf8 34.Qf8 Kf8+-) 34.Qb7 Kg6 35.Qe4 Kg7 36.Nf5 Kf7 (36...Kg6 37.Ne3 Kf7 38.Rd7 Ke8 39.Rfd1 b4 40.Qa8 Bb8 41.Qb8 Qd8 42.Qd8) 37.Rd7 Ke8 (37...Qe7 38.Re7 Kg6 39.Nh4 Kh5 40.h3 gh4 41.Re5) 38.Re7 (38.Re7 Qe7 39.Ne7 Kd7 40.Qe5 b4 41.Rd1 Ke8 42.Qe6 Kf8 43.Rd7 Kg7 44.Ng6; 38.Rfd1 Kf8 39.Qa8 Bb8 40.Qb8 Qd8 41.Qd8) 1–0. Avedisian,Alexander (1845) – Kaciusis,Daniel, Clausura Trebejos, 2016. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3 Qd8)

    9.Bc4 Bd7 10.0-0 g6 (10...Nf6 11.Qb3 Bc8 12.Bf4+/-) 11.d6 (11.Qd4 f6+/-) 11...Bg7+= 12.Bf7?? (better 12.Qb3 e6 13.Bb2+=) 12...Kf7-+ 13.Ng5 Ke8 14.Qb3 Nh6 15.Bb2 (15.Re1 Nc6 16.Nb5 Ba1 17.Nc7 Qc7 18.dc7 Rc8=) 15...e5 (15...Qb6 16.Rae1 Qb3 (16...Qd6?? 17.Nce4 Qb6 18.Qb6 ab6 19.Bg7+-) 17.Re7 Kd8 18.ab3 Bf6 19.Nf7 Nf7 20.Rf7 Be5-+) 16.Ne6 (better 16.f4 Na6 17.Nce4 Qb6 18.Qb6 ab6 19.Be5+=) 16...Qf6?? (better 16...Be6 17.Qe6 Kf8-/+) 17.Nc7 (worse 17.Ng7 Kf8 18.Ne4 Qg7 19.Qb7 Bc6 20.Qc8 Be8+-) 17...Kf8 (17...Kd8 18.Na8 Bc8 19.Ne4+-) 18.N3d5 Qd6 (18...Qd8 19.f4 e4 20.Bg7 Kg7 21.Qb7 Nf7+-) 19.Ba3 Nf5 (19...Qa3 20.Qa3 Kg8 21.Na8+-) 20.Bd6 Nd6 21.Na8 (21.Qa3 Kf7 22.Qd6 Rf8+-) 21...Nc6 (21...Nb5 22.a4 Nd4 23.Qb7+-) 22.Rad1 (22.Qa3 Kf7 23.Qd6 Rd8+-) 22...Be6 (22...Bf5 23.Qa3 Kf7 24.Qd6+-) 23.Nac7 Bf7 (23...Bg4 24.f3 Bf5 25.Qa3+-) 24.Qa3 (24.Qa3 Kg8 25.Qd6+-) 1-0. Sochacki,C (2475) - Kirk,Ez (2445), Cappelle Online Bullet, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    9.Bc4 Nf6 10.0-0 g6 11.Re1 Bg7 12.Ba3 Ng8 13.Qb3 (13.d6 Be6 14.Nb5 Na6 15.de7 Qd1 16.Rad1 Ne7 17.Be6 fe6 18.Re6 0-0 19.Re7 Rfd8 20.Rd8 Rd8+-) 13...Qb6+/- 14.Qc2 (better 14.Bb5!? Bd7 15.d6 Bb5 16.Nd5+-) 14...Bf5= 15.Qd2 Nd7 16.d6 Qa5 17.Bb2 (17.Qd5 Bc3 18.Qf7 Kd8 19.de7 Kc7=) 17...Rc8 18.Qe2 (18.Bb3!? Qb4 19.de7 Ne7 20.Nd5 Qd2 21.Nd2 Bb2 22.Ne7+/- (worse 22.Re7 Kd8 23.Rd1 Rc1-/+)) 18...Bc3-/+ 19.Bc3 Qc3 20.Rac1 Rc4?? (20...Qb4 21.Ng5 Kf8 22.Nf7 b5+/-) 21.Rc3+- Rc3 22.Qb2 Rc6 23.Qh8 (23.Qh8 Ndf6 24.g4 Rd6 25.gf5 gf5 26.Qg7+-) 1-0. De Vita,G (2010) - Pasti,Anna (1850), Arco ITA, 2019. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    9.Bc4 Nf6 10.0-0 g6 11.Re1 Bg7 12.d6 e6 13.Nb5 Na6 14.d7 Nd7 15.Nd6 Kf8 16.Nf7 Kf7 17.Be6 Kf8 18.Ba3 1–0. Hayden – Rozomov, Moscow, 1980. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    9.Bc4 Bg4 10.0-0 Nf6 11.Bf4 h6 12.h3 (12.Nb5 Na6 13.Re1+-) 12...Bf3= 13.Qf3 g6? (better is 13...a6!?+=) 14.Rfe1 Bg7 15.d6 e6 16.Be6 0-0 17.Qb7 fe6 18.Qa8 Nd5?? (better is 18...Nfd7 19.Bd2 Qb6+-) 19.Nd5 Ba1 (19...ed5 20.Qd5 Kh7 21.Be5+-) 20.Ne7 (worse is 20.Ra1 ed5 21.Qd5 Kg7+-) 20...Kh8 (20...Kh7 21.Qe4 Qe8 22.Ra1 Qf7+-) 21.Qe4 Bg7 22.Be5 Bf6 23.Qd4 Nd7 24.Bf6 Rf6 25.Re6 Qf8 26.Nd5 (26.Nd5 Kg7 27.Nf6 Nf6 28.d7+-) 1–0. Blinn,Jonas – Gerloff,Bernd, Hessen–ch U20, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    9.Bd3 Nf6 10.0-0 g6 (10...Nbd7 11.Qa4+=) 11.Re1+= Qa5 (11...Bg7 12.Ba3 Ng8 13.Rc1+/-) 12.Qb3 (better 12.Nb5!? e6 13.Bb2+/-) 12...Nbd7= 13.Ba3 Qb6?? (better 13...a6!?+=) 14.Qa4 (better 14.Nb5!? e6 15.d6 Ng4 16.Nc7 Kd8 17.Na8 Qb3 18.ab3 Bg7+-) 14...e6 15.Rab1 Qd8 16.de6 fe6 17.Re6 (better 17.Ng5 Ba3 18.Ne6+-) 17...Kf7 18.Bc4 (better 18.Ng5!? Kg7 19.Re7 Be7 20.Ne6 Kf7 21.Nd8 Bd8 22.Ne4+-) 18...Kg7+/- 19.Ne4 Ne4 20.Re4 Nf6 21.Bb2 Bd7?? (better 21...Bd6+/-) 22.Bf6+- Kf6 23.Qb3 (better 23.Rb7 Be7 24.Rd7 Rc8 25.Qb5 Kg7 26.Qe5 Kh6 27.Ng5 Bg5 28.Qg7 Kh5 29.Be2) 23...Kg7 24.Rf4 (24.Rd1 Be7 25.Qb7 Bc6 26.Re7 Kh6 27.Rd8 Bb7 28.Rh8 Rh8 29.Rb7 Rc8+-) 24...Bf5 (24...Be7 25.Rf7 Kh6 26.Qe3 Bg5 27.Ng5 Qg5+-) 25.Qc3 Kh6 26.Rh4 (better 26.Ne5 Qf6 27.Ng4 Bg4 28.Qf6+-) 26...Qh4 27.Nh4 (27.Qe3 Kg7 28.Rb7 Qe7 29.Re7 Be7 30.Qe7 Kh6+-) 27...Bb1 28.Qh8 Rc8 (28...Rd8 29.Nf3 Rd1 30.Bf1+-) 29.Qd4 Be7 (29...Bc5 30.Qd2 g5 31.Qd5+-) 30.Nf3 (30.Qe3 Bg5 31.Qh3 Bh4 32.Qh4 Kg7 33.Qd4 Kh6 34.Qe3 Kg7 35.Qc3 Kh6 36.Qh3 Kg7 37.Qc8 Bf5 38.Qg8 Kh6 39.Qf8 Kh5 40.Be2 Bg4 41.Bg4 Kg4 42.f3 Kh5 43.g4 Kg5 44.Qe7 Kf4 45.Kf2 g5 46.Qd6) 30...Rd8 (30...Bf6 31.Qd2 g5+-) 31.Qe3 (31.Qe3 g5 32.Qe7 Rd1 33.Bf1+-) 1-0. Henrotte,Nils (1965) - Srimathi,Raajesh, 47th Sparkassen Open, 2019. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 bc3 7.Nc3)

    9.Bf4 a6 10.Rc1 Nf6 11.Qa4 Bd7 12.Qb3 b5 13.a4 Qa5 (13...e6 14.ab5 Bc5 15.Bc4 ab5 16.Nb5 Qa5 17.Kd1+=) 14.ab5 Bb5 (14...ab5 15.Nd4+/-) 15.Bb5 (15.Nd4 Bf1 16.Qb7 Bg2 17.Qa8 Qd8+-) 15...ab5 16.Qb5 (16.Nd4!? Nfd7 17.0-0+/-) 16...Qb5= 17.Nb5 Na6 18.d6 ed6 19.0-0 Kd7 20.Ng5 d5 21.Nf7 Rg8 22.Nc7 (22.Ne5 Ke7 23.Rfe1+/-) 22...Nc7= 23.Rc7 Ke6 24.Re1 Kf5 25.Re5 Kg4?? (better is 25...Kf4 26.g3 Kg4=) 26.h3 (26.h3 Kf4 27.g3 Kf3 28.Re3) 1–0. Brameld,Arthur F – Edmans,Alex, Guernsey op, 1996. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    9.Bf4 Nf6 10.Rc1 a6 11.Na4 Bd7?? (11...e5 12.de6 Bb4 13.Ke2+=) 12.Nc5 (better is 12.Bc7 Ba4 13.Qa4 Qd7 14.Bb6+-) 12...Bc8 (12...Qa5 13.Bd2 Qa2 14.Bc4=) 13.Qa4+= Bd7 14.Qb3 b5 15.Ne5 e6?? (better is 15...Bc8=) 16.de6+- (16.Ncd7?! Nd5 17.Nf8 Nf4+/-; 16.Ned7 Nbd7 (16...Nfd7 17.Nb7 Qb6 18.Rc8 Ke7 19.d6 Kf6 20.Qf3+-) 17.de6 Bc5 (17...Nc5?! 18.ef7 Kd7 19.Rd1 Kc6 20.Rd8 Nb3 21.Ra8 Bb4 22.Kd1 Ra8 23.ab3=) 18.ed7 Nd7-/+) 16...fe6 17.Ne6 (worse is 17.Ncd7 Bb4 18.Qb4 Nbd7+-; 17.Ned7 Nbd7 18.Ne6 Qe7+-) 17...Bb4 18.Ke2 (18.Qb4?! Be6 19.Bd3 A) 19...Ba2 20.Bf5 Bc4 21.Nc4 bc4 22.0-0+- (22.Rc4?! Qe7 23.Qe7 Ke7+/-); B) 19...Nd5=) 18...Qe7 19.Nc7 Kf8 20.Na8 Nc6 21.Nb6 (21.Qe3 Nd5 22.Nc6 (worse is 22.Rc6 Ne3 23.fe3 Bc6 24.Nc6 Qe4 25.Nb4 Qb4+=; 22.Nd7 Qd7 23.Nb6 Nb6 24.Qb6 Qg4 25.Ke3 Qe6 26.Kf3 Ne5 27.Be5 Qb6 28.Rc8 Ke7 29.Rh8 Qc6 30.Kf4 Qh6 31.Ke4 Qc6 32.Ke3 Qc1 33.Kd3 Qc4 34.Ke3 Qc1 35.Ke4 Qc6 36.Kf4 Qh6 37.Kg4 Qe6 38.Kf4 Qh6=) 22...Nf4 23.Kf3+-) 21...Ne5?? (better is 21...Bg4 22.f3 Nd4 23.Kd1 Nb3 24.ab3 g5-+) 22.Nd7+- Ned7 23.Be3 g6 (23...Bc5 24.Kd1+-) 24.Rc8 (better is 24.Rc6!? Bd6 25.Qd3+- (25.Ra6?! Nc5 26.Qb5 Na6 27.Qa6 Kg7+/-)) 24...Kg7+/- 25.Rh8 Kh8 26.g3 Ne5 27.Bg2 Nc4 28.Rd1 Ng4 29.Qd3+- Bc5?? 30.Qd8 Kg7 31.Rd7 (31.Rd7 Kf6 32.Qh8 Ke6 33.Re7 Be7 34.Qc8 Kf6 35.Bd4 Nge5 36.Bd5+-) 1–0. Lopez Rebert,Pablo – Godoy,Luciano, Moron FAOGBA–ch, 2004. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 bc3)

    6.c4 Qd6

    7.a3 Bg4 8.Be2 Bf3 9.Bf3 Nd4 10.Bb7 Rb8 11.Bd5 Qe5 12.Be3 e6 13.Qa4 (better is 13.Qd4!? Qd4 14.Bd4 ed5 15.cd5=) 13...Kd8-/+ 14.Qa5 Rb6 15.Qa7 Bc5 16.ab4 Nc2 (16...ed5 17.bc5 Rb8 18.0-0+-) 17.Kd1 Ne3 (17...Na1 18.Bc5 Rd6 19.Qb8 Kd7 20.Qb7 Kd8 21.Bd6 Qd6 22.Qa8 Kd7 23.Qa4 Kd8 24.Qa5 Kd7 25.Qa7 Kd8 26.Qa1 ed5 27.Qg7 dc4 28.Nd2+-; 17...Be3 18.Kc2 Qf5 19.Kd1 Qd3 20.Ke1 ed5 A) 21.fe3 Qe3 22.Kd1 Qb3 23.Kd2 Qb4 24.Nc3 d4 (24...dc4 25.Qa8 Rb8 26.Qd5 Ke8 27.Rhb1 Qb1 28.Qc6 Kf8 29.Rb1 Rb1 30.Qd6 Ke8 31.Nb1+-) 25.Qa8 Rb8 26.Qd5 Ke8 27.Qd4 Rd8+=; B) 21.Qa5-/+) 18.fe3 Be3 (worse is 18...ed5 19.bc5 Rc6 20.Qa8 Rc8 21.Qd5 Qd5 22.cd5 Rc5 23.Ra8 Kd7 24.e4+/-) 19.Re1 (19.Qa8 Ke7 20.Ra7 Kf6 21.Qe8+=) 19...Qd4-/+ 20.Kc2 ed5 21.Qa8 Ke7 22.Ra3 Re6 (22...Qc4 23.Nc3 Re6 24.Qd5 Qc7 25.Re3 Nf6=) 23.cd5+= Qe4 24.Rd3 Nf6 Attacking the isolated pawn on d5 25.Qb7 Kf8 26.Ree3 Qg2 27.Rd2 Qg6 28.Red3 Re8 29.d6 Qe4 30.Qc7 Qf4 31.Qc6 Qb4 32.Nc3 Qg4?? 33.d7+- Nd7 34.Qd6 Kg8 35.Qd7 Qd7 36.Rd7 h5 37.Rf2 Rf8 38.Kd3 Rh6 39.Rf5 h4 40.Nd5 g6 41.Re5 Kg7 42.h3 Rh7 43.Ree7 Rhh8 44.Nf4 Kf6 45.Kd4 Rhg8 46.Nd3 g5 47.Ne5 Kf5 48.Rf7 Rf7 49.Rf7 Ke6 50.Rf1 Ra8 51.Nd3 Ra4 52.Ke3 Ra2 53.Kf3 Ra3 54.Re1 Kf5 55.Re5 Kf6 56.Re3 Kf5 57.Nf2 Ra4 58.Rc3 Rf4 59.Ke3 Ra4 60.Rc5 Kg6 61.Ne4 Ra3 62.Rc3 Ra6 63.Nf2 Ra4 64.Ng4 Kf7 65.Nf2 Kg6 66.Nd3 Ra1 67.Ke4 Rh1 68.Rc6 Kg7 69.Nf2 Ra1 70.Kf5 Rf1 71.Rc2 Kh6 72.Ke6 Kg6 73.Ng4 Rb1 74.Ne5 Kh6 75.Rc6 Rf1 76.Ke7 Kh7 77.Rf6 Rb1 78.Ke6 1–0. Russell,Ian (1905) – Kroes,Friso (1960), SB–2011–0-00153, 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    7.Bb2 e6 8.d5 ed5 9.cd5 Nce7 10.Bb5 Bd7 11.Bd7 Qd7 12.Ne5 (better is 12.0-0!? should be investigated more closely 12...Nd5 13.Re1 Nge7 14.Ne5+=) 12...Qd5-/+ 13.Qa4 Nc6 14.0-0 Black has an active position 14...Nge7 (14...b5 15.Qa6 Nge7 16.Re1+=) 15.Nc6 Nc6 White's piece can't move: b1 16.Rd1 White threatens to win material: Rd1xd5 16...Qg5 (16...b5 17.Qc2 (worse is 17.Rd5 ba4 18.a3 b3-/+) 17...Qe6 18.Nd2=) 17.a3 ba3 (17...Be7 18.ab4 Bb4 19.Bc3 Bc3 20.Nc3+=) 18.Re1 (18.h4 Qc5 19.Re1 Kd7 20.Na3 Qb4+=) 18...Be7= 19.Ra3 0-0-0 20.Rc3 Bf6 21.Rc6 bc6 22.Qc6 Kb8 23.Bc1 Qa5?? simply marches past the door to victory 24.Bf4 Be5 25.Re5 Rd1 26.Re1 Qe5 27.Be5 (27.Be5 Rd6 28.Bd6) 1–0. White,Alistair (2030) – Murphy,Alan (1665), SCO–ch Seniors, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.Bb2 Nf6!?

    7.Bb2 Bg4 8.Nbd2 e5 (8...e6 9.Qa4=+) 9.de5 Qh6 10.Qc2 0-0-0 (10...Nge7 11.Bd3=) 11.Be2 f6 12.Qe4 Qg6 (12...Bf3 13.Nf3 Ne5 14.Be5 fe5 15.Rb1+=) 13.ef6 (13.Qg6!? hg6 14.Ng5 Be2 15.Nf7 Ne5 16.Nd8 Bc4 17.Nc4 Nc4 18.0-0-0+=) 13...Nf6 14.Qg6 hg6 15.0-0-0 (15.h3 Re8=) 15...Bd6 (15...Bc5!?=) 16.h3+= Bf5 17.g4 Rhe8 18.gf5 Re2 19.Bf6 gf6 20.fg6 Bf4 21.g7 Ne7 (21...Rg8 22.Rhf1=) 22.Kc2 Rf2 23.Rhf1 Rf1 24.Rf1 Rg8 25.Ne4 f5 (25...Rg7 26.Nf6 Rg3 27.Nh5 Rg2 28.Kb3=) 26.Nd4+= fe4 27.Rf4 Rg7 28.Re4 Nc6 29.Nc6 bc6 30.Kb3 a5 31.Re5 (31.Ka4!? Rg5 32.Re7=) 31...Rg3=+ 32.Kb2 a4 33.c5 Rg2 (33...a3 34.Kb1 Rh3 35.Re4-/+) 34.Kb1=+ a3 35.Re4 Rb2 36.Ka1 Kb7 37.h4 Ka6 38.h5 Rh2 39.Rb4 Rh1 (39...Rh5?! 40.Ra4 Kb5 41.Ra3=) 40.Rb1 Rh5 41.Rc1 Kb5 42.Kb1 Kb4 43.Rc2? (43.Rf1 Rc5 (43...Kc5?! 44.Rf3-/+) 44.Rf6 Rc3-+) 43...Rh4 (better 43...Rh1 44.Rc1 Rc1 45.Kc1 Kc5-+) 44.Rc1 Kb5 45.Rc2? (45.Rc3 Ka4-/+) 45...Rg4 (better 45...Rh1!? 46.Rc1 Rc1 47.Kc1 Kc5 48.Kd1-+) 46.Rc1 Rb4 47.Ka1 Ka4 48.Rc3 Rd4 49.Kb1 Rb4 50.Ka1 Rg4 51.Kb1 Kb4 (better 51...Rg5-/+) 52.Rc2?? (52.Rb3 Kc5 53.Ra3 Kb4 54.Rb3 Kc4=) 52...Kb5 (52...Rg1 53.Rc1 Rc1 54.Kc1 Kc5=+) 53.Rc1 Rf4 54.Rc2? (better 54.Rc3!? Ka4 55.Re3-/+) 54...Rb4 (54...Rf1 55.Rc1 Rc1 56.Kc1 Kc5 57.Kd1-+) 55.Ka1 (55.Kc1 Rc4-+) 55...Rc4 56.Rc4 Kc4 57.Kb1 Kc5 58.Kc2 Kc4 59.Kd2 Kd4 60.Kc2 c5 (60...Ke3 61.Kb3=+) 61.Kd2= c4 62.Kc2 c3 ½–½. Gaikwad,Siddhant (1995) – Kulkarni,Vin (2200), 1st Gujarat Open, 2018. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd6)

    7.Bb2 Bg4 8.d5 0-0-0 9.Nbd2 Nb8 10.Qa4 e6 11.Ne5 Nh6 12.Ne4 Qa6 13.Qb3 Qa5 14.Ng4 Ng4 15.Be2 h5 16.h3 Nh6 17.0-0 (17.Rd1 Na6+/-) 17...Nf5 (better is 17...ed5!? 18.cd5 Qd5 19.Rfc1 Nc6=) 18.Rfd1 Be7 (18...Na6!?+/-) 19.c5! Rh6 (19...Bc5 20.Nc5 Combination) 20.Rac1 (20.d6 Bf8+-) 20...Bf8 21.Nd6 Nd6 22.cd6 Kd7 23.Qf3 Ke8 24.de6 fe6 25.Qb7 Qb6 26.Bb5 Nd7 27.Bd7 Rd7 28.Rc8 Rd8 29.d7 Ke7 30.Qe4 (better is 30.Rd8 Qd8 31.Qc8+-) 30...Qb5 (30...h4+-) 31.Rd8 (31.Rd8 Qf5 32.Qb4 Qc5 33.Rf8 Kf8 34.Qb8 Qc8 35.dc8Q Kf7 36.Qe8) 1–0. Bolding,Klaus (2335) – Jancu,Jean Marc (2230), FRA–chT2S, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd6)

    7.Bb2 Bg4 8.Be2 Nf6 9.d5 Bf3 10.Bf3 Ne5 11.Be2 Ned7 12.0-0 e5 13.de6 fe6 14.Bh5 g6 15.Bf3 Qb6 16.Nd2 Bc5 17.a3 0-0 18.ab4 Bb4 19.Qe2 Rae8 20.Ne4 e5 21.Rfd1 a5 22.Rab1 Qc7 23.Bc3 Ne4 ½–½. Fernandez,A (2310) – Ermenkov,Evgenij (2520), Alicante, 1978.

    7.c5 Qe6 8.Be2 Nf6 =.

    7.d5 Ne5 8.Bb2 Nf3 9.Qf3 Nf6 10.Nd2 Bg4 11.Qe3 e6 12.h3 Bf5 13.g4 Bg6 14.Bg2 Be7 15.0-0 (15.de6!? fe6 16.g5=) 15...0-0 16.Rfe1 Rfe8 (16...Rad8 17.Nb3 Qa6 18.de6=) 17.de6 Bf8 (better 17...Rad8!? 18.Nb3 Qa6=) 18.Bb7+/- Rad8 19.Bf6 gf6 20.ef7 Bf7 21.Ne4 Re4? (better 21...Qe5!?+/-) 22.Qe4 Qc7 (22...Qc5 23.Rad1 Rd1 24.Rd1 Qc4 25.Qc4 Bc4 26.Bd5 Bd5 27.Rd5+-) 23.Bd5 Bd5 24.cd5 Bc5 25.Kg2 Qe5 (25...Kg7+-) 26.Qe5 fe5 27.Re5 1-0. Sodol,G (2315) - Cocquyt,T (2110), 42nd Eastman Open, 2019. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    7.d5 Ne5 8.Nd4 a6 9.f4 Nd7 10.Be3 g6 11.Nd2 Ngf6 12.Qa4 Bg7 13.Rb1 0-0 14.Qb4 Ng4 15.Bg1 Qf4 16.Ne2 Qe5 17.Nf3 Qe4 18.Nd2= Qf5 19.Ng3 Qe5-/+ 20.Be2 Ne3 21.Be3 Qe3 22.Rb3 Qd4 23.Rd3 Qa1-/+ 24.Qb1 Nc5 25.Re3 Qb1 26.Nb1 e5 27.de6 Be6 28.Nd2 Rad8 29.Nde4 Bd4 30.Ra3 Rfe8 31.Ra5 Ne4 32.Ne4 f5 33.Nd2 Bc3 34.Rd5 Bd5 35.cd5 0–1. Osman,M (2175) – Hernandez,Gu (2245), Autumn Cup IM, Bucharest ROM, 2000.

    7.d5 Ne5 8.Bf4?? Nf3-+ 9.Qf3 Qf6 10.c5 (10.Nc3-+) 10...Bd7 (better is 10...Qa1 11.Bb5 Kd8-+) 11.c6 bc6 12.dc6 Bc6 (12...Qa1?? 13.cd7 Kd8 14.Qa8 Kd7 15.Qd5 Ke8 16.Bb5) 13.Bb5 Rc8 14.Bc6 Qc6 15.Qh3?? (15.Nd2-+) 15...Qe4 16.Be3 Rc1 (16...Rc1 17.Ke2 Qc4 18.Kf3 Rh1-+) 0–1. Neznamov,Alexey – Gerasko,Viacheslav (2095), Voronezh op–B, 2007. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd6)

    6.c4 Qd8

    7.d5 Nb8 8.Qa4 Nd7 9.Bd2 (9.Be3 e6 10.de6 fe6=) 9...Ngf6 10.Bb4 (worse is 10.Qb4 e6 11.Qb5 a6-/+) 10...g6 11.Bd3 Bg7 12.0-0 (12.Bc3 0-0 13.Bd4 e5 14.de6 fe6=) 12...0-0?? (better is 12...Nd5 13.cd5 Ba1=) 13.Nbd2 Re8 14.Rfe1 Ng4 15.Rad1 Nde5 16.Bc2 Bd7 17.Qb3 Qc7 18.h3 Nf3 19.Nf3 Ne5 20.Ne5 Be5 21.Re2 Bd6 22.Rde1 b6 23.Bd3 (worse is 23.Re7 Re7 24.Re7 Be7 25.Be7 Ba4 26.Qa4 Qe7+=) 23...Rac8 24.Bd2 Qc5 25.Qb2 e5 26.Bh6 f6 27.Qb1 Kf7 28.Re3 Qb4 29.Qc1 Bc5 30.Rf3 Bd4 31.Qd1 Ba4 32.Qe2 e4 33.Be4 Rc4 34.d6?? Re4!-+ 35.Be3 Be3 36.Re3 Re3 37.Qe3 Qd6 0–1. Kunisch,S – Kohlweyer,Bernd, Match, Essen (Germany), 1996. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd8)

    7.d5 Nb8 8.Bb2 Nf6 9.Bd3 e6 10.de6 Be6 11.Rg1 (better is 11.Ng5!?+=) 11...Bc5-/+ 12.Ne5 Qb6 13.Qc2 Be7 (13...Nbd7!? 14.Nf3 0-0-0-+) 14.g4 Nc6 15.g5 Ne5 16.Be5 Ng4 17.Bg7 Rg8 18.Bb2 Nf2! 19.Qf2 Qf2 20.Kf2 Bc5 21.Kf1 Bh3 22.Rg2 Rg5 23.Be4 Bg2 24.Bg2 Rf5 25.Ke1 Rb8?? 26.Nd2 Be3 27.Ne4= Rd8 28.Bh3 Rf3 29.Bg4 Rf4-/+ 30.Nf6 Ke7 31.Ke2 Bd4-+ 32.Bd4 Rdd4 33.Nd5 Rd5! 34.cd5 Rg4 35.Kd3 Kd6 36.Rf1 Rg7 37.Kc4 a5 38.Rf6 Ke5 39.Rb6 Rg4 40.Kc5 Rd4 41.Rd6?? Rc4! 42.Kb5 Kd6 43.Kc4 b5! 44.Kb5 Kd5 45.Ka5 f5 46.Kb4 f4 ½–½. Rood,Ben – Altman,Joshua, Maribor SLO, World Youth Ch U08 (b), 2012. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.d5 Nb8 8.Bd3 Nf6 9.0-0 g6 10.Bb2 Bg7 11.Qa4 Bd7 12.Qb4 0-0? (12...Na6 13.Qa3+= (13.Qb7? Nc5 14.Qb4 Nd3-+)) 13.Nbd2?? (better is 13.Qb7 Qb6 14.Qa8 Qb2 15.Nbd2+-) 13...b6 14.Ne4 Na6 15.Qd2 Rc8 16.Nf6 ef6 17.Rfe1 Nc5 18.Bc2 Re8 19.Re8 Be8 20.a4 Nb7 21.h4 Rc4 22.h5 Nd6 23.hg6 fg6 24.Kh2? Qc7-+ 25.Bb3? Ne4 26.d6 Nd6 27.g3 Bf7 28.Bc4 Nc4 29.Qc3 Qc5 30.Rf1 Nb2?? 31.Qb2-/+ h6 32.Rc1 Qh5 33.Kg2 Bd5 34.Qe2 Qg4 35.Rd1 Qf5 36.Qd3 Qd3 37.Rd3 Bc6 38.Ra3 f5 39.Kf1 Bf8 40.Rc3 Ba4 41.Ne5 Bb5 42.Kg2 Bc5 43.Ng6 a5 44.Nh4 Bd7 45.Kf3 Kf7 46.Ke2 a4 47.Nf3 Ke6 48.Kd3 Kd5 49.Nd2 b5 50.Kc2 Bf2 51.Rf3 Bc5 52.Rd3 Kc6 53.Nf3 Be6 54.Nd4 Bd4 55.Rd4 Bd5 56.g4?? Kc5 57.Rf4 fg4 58.Rg4 b4 59.Rh4 a3 60.Rh6 b3 61.Kc3 b2 (61...b2 62.Ra6 b1Q 63.Ra5 Kd6 64.Ra3 Qc1 65.Kd3 Qa3 66.Kd2 Be4 67.Ke2 Qf3 68.Kd2 Qf2 69.Kc3 Kc5 70.Kb3 Bb1 71.Kc3 Qc2) 0–1. Tanti,Joseph (1620) – Schnoewitz,Brigitte, 42. LSS No Engine Cup Preliminary, 2011. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.d5 Na5

    8.Qa4 Bd7 9.Qb4 e6 10.d6 b6 11.Bf4? (11.Nc3=) 11...Nf6?? (better is 11...Qf6 12.Be5 Nc6-+) 12.Na3 Nh5 13.Nb5?? (better is 13.Be3+=) 13...Nf4-+ 14.c5 Nd5 15.Qe4 Rc8 16.Rd1 Nf6 17.Qf4 Rc5 18.Nc7 Rc7! 19.dc7 Qc8 20.Bb5 Nd5?? 21.Rd5 ed5 22.Ne5 Qc7 23.Bd7 Kd8 24.0-0 f6 25.Nf7 Kd7 26.Qf5 Kc6 27.Nh8 Qd7 28.Rc1 Nc4 29.Qh7 Bc5 30.Ng6 Kb7 31.Nf4 Ne5 32.Nd3 Bd6 33.Ne5 fe5 34.Qg8 Bc5 35.Rd1 d4 36.Qh7 Qg4 37.Qd3 e4 38.f3 Qg2 39.Kg2 ed3 40.Rd3 Kc6 41.f4 Kd5 42.Kf3 b5 43.h4 b4 44.h5 a5 45.f5 Be7 46.Ke2 Ke4 47.Rf3 Bg5 48.f6 gf6 49.h6 Bh6 50.Rf6 d3 51.Kd1 Be3 52.Ra6 Kd4 53.Ra5 Kc3 54.Rb5 Kc4 55.Rb7 Kc3 56.Rd7 Bf4 57.Rf7 Be3 58.Rf3 Bg5 ½–½. Bayer,Erwin – Eichler,Andre, Verbandsliga Sued Baden, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd8)

    8.Bd3 e6!? 9.Qe2 Ne7=+.

    8.Bd3 g6 9.Bb2 Nf6 10.0-0 Bg7 11.Qa4 Bd7 12.Qb4 0-0 13.Nbd2 Qb6? (better 13...b5!? 14.cb5 Nd5+=) 14.Bc3+- Qb4 15.Bb4 b6 16.Be7 Rfc8 17.Ne5 (17.Rae1 Nh5+/-) 17...Be8? (better 17...Nd5 18.cd5 Be5+=) 18.Rae1 Nd7 19.Nd7 Bd7 20.Bb4 Nb7 21.Nb3 a5 22.Ba3 a4 23.Nd2 Na5 (23...Nc5 24.Bc5 bc5 25.Rb1+/-) 24.Rb1 (24.Bb4!? Ra7+-) 24...Bc3+/- 25.Ne4 (25.Rfd1!?+/-) 25...Nc4+= 26.Be7 (better 26.Rbc1 Na3 27.Nc3+=) 26...b5?? (better 26...Bf5 27.Rbc1 Be4 28.Be4 Ra7=) 27.Nc3+- Nd2 28.Nb5 (28.Bb5?! Nb1 29.Bd7 Nc3 30.Bc8 Rc8+-) 28...Nb1 29.Rb1 (29.Bb1?! Bb5 30.Re1 Bd7=) 29...Rab8 30.Kf1 Bb5 31.Bb5 Rc2 (31...Rb7 32.d6 Rcb8 33.Rb4 Rb5 34.Rb5 Rb5 35.d7+-) 32.a3 (32.d6 Rd2+-) 32...Kg7 (32...Rd2 33.d6 Rd5 34.Bd3 Rb1 35.Bb1 Rd1 36.Ke2 Rb1 37.d7+-) 33.Ke1 (33.d6!? Rc5 34.d7 Rd5+-) 33...f5 34.d6 (better 34.Bd6 Rb6 35.Be5 Kf8+-) 34...Kf7 (34...Rc5+-) 35.Kd1 Rcc8 36.Bc4! Ke8 (36...Rc4 37.Rb8 Discovered attack (37.Rb8 Deflection)) 37.Rb8 Rb8 38.Kc2 Kd7 39.Kc3 Rc8 (39...Rb1 40.Kd4 Re1 41.g3+-) 40.Kb4 Rb8 41.Bb5 (worse 41.Ka4 Rb2+-) 41...Ke6 42.Ka4 Ra8 (42...Rc8 43.Kb3 Rc1 44.a4 Rb1 45.Kc3+-) 43.Kb4 f4 44.a4 g5 45.a5 g4 (45...h6 46.a6 g4 47.Kc5+-) 46.f3 h5 47.a6 h4 Black prepares g3 (47...Ra7 48.Kc5 Ra8 49.Bh4 Rc8 50.Bc6+-) 48.Ka5 (better 48.fg4 h3 49.gh3 f3+-) 48...h3 49.gh3 g3 (49...gf3 50.h4+-) 50.hg3 fg3 51.Bf1 Kd7 (51...Rg8 52.Bg2 Rb8 53.f4+-) 52.Kb6 (better 52.f4 Ke6+-) 52...Rb8 53.Kc5 Rb1 (53...Rb2 54.a7 g2 55.Bg2 Rc2 56.Kd4+-) 54.a7 Ra1 55.Kb6 Rb1 (55...g2 56.Bg2 Rb1 57.Ka6 Ra1 58.Kb7 Rb1 59.Ka8 Rg1+-) 56.Bb5 Rb5 57.Kb5 g2 58.a8Q g1Q 59.Qc6 Ke6 60.Qc4 (60.Qe4 Kf7 61.Qd5 Kg7 62.Qg5 Qg5 63.Bg5 Kf7 64.d7 Kf8 65.d8Q Kg7 66.Qf6 Kg8 67.Bh6 Kh7 68.Qg7) 60...Kd7 61.Qc7 Ke6 62.Qc8 Kf7 63.Qf5 Ke8 64.Qc8 (64.Bf6 Qa7 65.Qe6 Kf8 66.Be7 Kg7 67.Qf6 Kh7 68.Qf7 Kh6 69.Bf8 Kg5 70.Qa7 Kf4 71.Bh6 Kg3 72.Qg1 Kf3 73.d7 Ke4 74.Qg4 Kd5 75.d8Q Ke5 76.Bg7) 64...Kf7 65.Qc5 (65.d7 Qf1 66.Kb6 Qb1 67.Kc6 Qc2 68.Bc5 Qa4 69.Kb6 Qb3 70.Kc7 Qc3 71.Qf8 Kg6+-) 65...Qb1 (65...Qd1 66.Qh5 Ke6 67.Qg4 Kf7+-) 66.Kc6 Qe1 67.Qd5 (67.Qf5 Kg7 68.Bf6 Kf7 69.Bc3 Kg8 70.Qg6 Kf8 71.Qf6 Ke8 72.d7) 67...Ke8 68.Qg8 (68.Qh5) 1-0. Abdrlauf,Elham (2335) - Gutenev,A (2430), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    8.Ne5 Nf6 9.Bg5 (9.Qa4 Bd7 10.Nd7 Nd7=) 9...Nd7 10.Nf3 g6 11.Be3 Bg7 12.Bd4 Nf6 (12...0-0!?+=) 13.Qa4= Bd7 14.Qb4 0-0 15.Nc3 b6 16.Be2 e6 17.0-0 Re8 18.Rfd1 Rc8 19.Bf1 ed5 20.cd5 Bg4 21.Bf6 Bf6 22.Qg4 Rc3 23.Bb5 Rf8 24.Rab1 Nb7 25.Bc6 Nd6 26.Rbc1 Kg7 27.Rc3 Bc3 28.Rd3 Qf6 29.Nd4 Bd4 30.Rd4 Nf5 31.Rd1 Rd8 32.h3 h5 33.Qa4 Qe7 34.Qc4 Nd6 35.Qc3 Qf6 36.Qf6 Kf6 37.Rd3 Ke5 38.Kf1 f5 39.Ke2 f4 40.f3 (40.g3 g5=) 40...g5 41.Ra3 a5 42.Kd3 Nf5 43.Ra4 ½–½. Brameld,Arthur – Sellars,Martyn, Ch England (team), 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd8)

    8.Bf4 Nf6 9.a3 b3 10.Nc3 Qb6?? (better is 10...Bd7+=) 11.Nb5+- Kd8 12.Bc7 Qc7 13.Nc7 Kc7 14.Ne5 Rg8 15.Qd2 b6 16.Nf7 Ne4 (16...Nb7+-) 17.Qf4 Nd6 18.Nd6 ed6 19.Qf7 Bd7 20.Qg8 h6 21.Bd3 Re8 22.Kd1 Be7 23.Qg7 Bf8 24.Qf7 Kd8 25.Re1 Ba4 (25...Be7+-) 26.Re8 Be8 27.Qf8 Nb7 28.Bg6 b2 29.Qe8 (29.Be8 ba1Q 30.Ke2 Qe5 31.Kf3 Qe8 32.Qh6 Qe5=) 29...Kc7 30.Rb1 Nc5 31.Bf5 (31.Bf5 b5 32.Qc8 Kb6 33.Qc6 Ka5 34.Qb5) 1–0. Ramsauer,M – May,R, TT/4302 corr BdF, 1994. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.ed5 Qd5 5.Nf3 Nc6 6.c4 Qd8)

    8.Bf4 Nf6 9.Ne5 g6 (9...e6!? 10.Qa4 Bd7 11.Nd7 Nd7 12.de6 fe6-/+) 10.Qa4+= Nd7 11.Nd2 (worse is 11.Qb4 Bg7 12.Nd7 Ba1-/+ (12...Bd7?! 13.Nc3=; worse is 12...Qd7 13.Nc3 b6 14.c5+=)) 11...Bg7 12.Rc1 0-0 13.Nd7 Bd7 14.Qb4 b6 15.Be2 Nb7 16.0-0 e6 17.Bf3 (17.Rfd1+=) 17...Qc8 (17...e5 18.Be3=) 18.Ne4 (18.de6!? fe6 19.c5 Nc5 20.Bd6+/-) 18...e5= 19.Bd2 Nc5 (19...f5!? 20.Nd6 Nd6 21.Qd6 Re8=) 20.Nc5+/- bc5 21.Qa3 Bf5 22.Be3 e4 23.Bd1 (worse is 23.Bc5 ef3 24.Bf8 fg2+=) 23...Bd4 24.Be2 Rd8 25.Rfd1 Be3 26.Qe3 Rb8 27.Rb1 Rb6 28.Rb3 Bg4 (28...Rdd6 29.h3+/-) 29.h3 (better is 29.Qe4!? Bf5 30.Qf3+-) 29...Be2+= 30.Qe2 Re8 31.Re3 f5 32.f3 Rf6 (better is 32...Qb8!?+=) 33.fe4+- fe4 34.Re4 Re4 35.Qe4 Qd7 36.Rb1 Rf8 37.Rb5 Re8 38.Qf4 Rf8 39.Rb8 Rb8 40.Qb8 Kf7 41.Qh8 Qa4 42.Qh7 Kf8 43.Qh6 Kf7 44.Qf4 Ke8 45.Qb8 Kd7 46.Qb7 Kd8 47.Qb3 Qa5 48.Kh2 Kd7 49.h4 Qb4 50.Qh3 Kd8 51.Qb3 a5?? 52.Qc2 a4 53.Qg6 Qc4 54.Qg5 Kd7 55.Qf5 Kc7 56.Qe5 Kb6 57.Qf6 Ka5? 58.d6 Qd4 59.Qd4 (59.Qd4 cd4 60.d7+-) 1–0. Nystrom,Leif – Peltola,Leo, Vantaa We EtVaS, 1995. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qd8)

    6.c4 Qe4

    7.Be2 e5 8.Nbd2 Qf5 9.d5 Nb8 10.Nh4 Qd7 11.a4 Nf6 12.Bb2 Qc7 13.Nhf3 Nbd7 14.Bd3 Bd6 15.0-0 0-0 16.Ng5 Nc5 17.Bc2 a5 18.h3 h6 19.Ngf3 Bd7 20.Re1 Rae8 21.Re3 e4 22.Bf6 ef3 (22...gf6?! 23.Ne4 Ne4 24.Re4 Re4 25.Be4 Qc4 26.Bd3=) 23.Re8 Re8 (23...Be8?! 24.Qf3 Bd7 25.Bd4=) 24.Bd4 Bh2 25.Kf1 fg2 26.Kg2 Be5 27.Nf3 Bd4 28.Qd4 b3 29.Bd3 Ba4 30.Rg1 Nd3 31.Qd3 Qf4 32.Ra1 Bd7 33.Qb3 a4 34.Qc3 Qf5 35.Nd4 Qg6 36.Kh2 Qf6 37.c5?? (37.Kg2-+) 37...Qf2 38.Kh1 Re3 (38...Re3 39.Qe3 Qe3-+) 0–1. Husak,Antonin – Kostelny,Jozef (2190), Tatry op Tatranska Lomnica, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 e5 8.Nbd2 Qg6 9.d5 e4 (9...Qg2 10.Rg1 Qh3 11.Bf1+=) 10.dc6 ef3 11.cb7 Bb7 12.Nf3 Bc5 (12...Qg2 13.Qa4 Ke7 14.Qb4 Ke6 15.Qb7 Bb4 16.Kd1 Rd8 17.Kc2 Qg6 18.Kb3+-) 13.0-0 Ne7 14.Bb2 0-0 15.Nh4 Qg5 16.Bf3 Bf3 17.Nf3 Qf5 18.Re1 Rad8 19.Qe2 Nc6 20.Rad1 Qf4 21.g3 Qc7 22.Rd5 Rd5 23.cd5 Nd8 24.Qe4 h6 25.Nd4 Bd4 26.Qd4+- f5?? 27.d6 (27.d6 Nc6 28.dc7 Nd4 29.Bd4+-; 27.Qb4?! Rf7+-) 1–0. Fernandez Muixi,Francesco – Cid,E, Tortosa op, 1992. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.Be2 e6 8.0-0 Nf6 9.Nbd2 Qf4 10.Nb3 Qc7 11.Bb2 Bd6 12.Rc1 (12.d5 Nd8 13.Qd3 0-0=) 12...0-0 (12...Bf4 13.Nbd2=+) 13.d5 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.Bf3 (16.d6 Rd8 17.c5 Nd5=) 16...Rd8 (16...ed5 17.cd5 Rd8 18.Re1=+) 17.Re1 Qc7 18.Re2 (18.Qd4 ed5 19.cd5 Qd6=) 18...ed5 19.cd5 Qd6 20.Nc5 (20.Qd4 a5=+ (20...Nd5? 21.Bd5 Be6 22.Bb7+-)) 20...b6 (20...Ng4 21.g3-/+) 21.Ne4 Ne4 22.Re4 Bb7 (22...Bd7 23.Qd2=+) 23.Qe1 g6 (23...Qf8 24.Re5=+) 24.Rb4= Rac8 (24...Bd5? 25.Rd4+-) 25.Rbc4 (better 25.Rc8!? Rc8 26.Rd4=) 25...Rc4-/+ 26.Rc4 Qa3 (better 26...Bd5!? 27.Rd4 Qe6-/+) 27.Qd2 Qd6 28.g3 Qf6 (28...Bd5? 29.Rd4 Qf6 30.Bd5+-) 29.Kg2 Qe5 Increasing the pressure on the isolated pawn on d5 (better 29...a6=) 30.Re4 (30.Rd4 Qd6=) 30...Qd6 (better 30...Bd5!? 31.Re5 Bf3 32.Kf3 Rd2-/+) 31.Rd4= Qc5 (31...f6 32.a4=) 32.Rd3 (32.Qf4 a6=) 32...b5 (32...Ba6 33.Rc3 Qd6 34.Qg5=) 33.Qa5 (33.Qe3 Qe3 34.fe3+= (worse 34.Re3 Bd5 35.Ra3 Bf3 36.Kf3 Rd7=+)) 33...Qd6 (33...Rd7 34.Qe1 Qd6 35.a3=) 34.Qd2 (better 34.Qa7!? Qc7 35.Qd4+-) 34...a6= 35.Kf1 Qf6 36.a4 (36.Qe3 Bc8=) 36...ba4 (36...Qa1 37.Qe1 Qe1 38.Ke1 ba4 39.Kd2=) 37.Qa5 Rd6 38.Qa4 Kg7 39.Qd4 Qd4 40.Rd4 Kf6 41.Ra4 Rb6 42.Rf4 (42.h3 Ke5=+) 42...Kg7 (42...Ke7 43.Ke2=) 43.Ke2 Rd6 44.Rd4 f5 45.Kd2 (45.Kd3 Kf6=) 45...Kf6 46.Ke3 (46.Kd3 Ke5 47.Kc4 Rd8=+) 46...Ke5=+ 47.Ra4 Rb6 48.Ra5? (better 48.Be2!?=) 48...Rb3-/+ 49.Ke2 Rb5 50.Ra3 a5 (50...Kd6 51.h3-/+) 51.Re3 Kd6 52.Re6 Kd7 53.Rf6 Bd5 (53...a4 54.Rf7 Kd6 55.Rf6 Kc5-+) 54.Bd5 Rd5 55.Rf7 Kc6 56.Rh7 a4 57.Ra7 Kb5 58.h4 Kb4 59.Rb7 Kc3 (better 59...Rb5!? 60.Rd7 a3-+) 60.Rc7= Kb3 61.Rb7 Ka2 (61...Kc4 62.Rb6=+) 62.Rb6 a3 63.Rg6 (better 63.Ke3=) 63...Kb3-+ 64.Rb6 Ka4 65.Ra6 (65.Rb1 a2 66.Ra1 Kb3-+) 65...Ra5 66.Rd6 a2 67.Rd1 Kb3 68.Ra1 (68.Ke3 Kc2 69.Rh1 a1Q 70.Ra1 Ra1-+) 68...Kb2 69.Ra2 Ra2 70.Kf3 Kc3 71.h5 (71.Ke3 Kc4-+) 71...Kd4 72.h6 (72.g4 Ke5 73.gf5 Kf5-+) 72...Ke5 73.g4 (73.h7 Ra8-+) 73...Ra3 (73...Ra3 74.Kg2 fg4-+) 0–1. Roebuck,Derek (1675) – Ledger,Stephen C (2065), 60th Southend Easter, 2016. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 e6 8.0-0 Nf6 9.Re1 Be7 10.Nbd2 Qf5 11.Nf1 (11.Nb3 h6 12.Nh4+-) 11...Qa5=+ 12.Bd3 0-0 13.Bb2 Rd8 14.Ne5 (14.Ne3 h6=+) 14...Bd7 (14...Ne5 15.Re5 Qc7 16.Qf3=+) 15.Re3 (15.Nd2 Ne5 16.de5 Ne8=+) 15...Be8 (15...Ne5 16.de5 Ba4 17.Qf3-/+) 16.Rh3 (16.Nc6 Bc6 17.Qe2 Qh5-/+) 16...g6 17.Nf3 (17.Nc6 Bc6 18.Qd2 b6-/+) 17...Rd7 (17...e5 18.de5 Ng4 19.Ne3 Ne3 20.fe3-/+) 18.Qd2 (18.N1d2 Qc7-/+) 18...Qd8 (18...Rad8 19.a3 ba3 20.Qa5 ab2 21.Qc3 ba1Q 22.Qa1-/+) 19.Qf4 Qc7 20.Qe3 (20.Qc7 Rc7 21.Ne3 Nh5-/+) 20...Rad8 (better 20...h5-/+) 21.Ng5? (better 21.Rh4!?-/+) 21...Ng4 (21...Nd4 22.Nh7 Ng4 23.Qe1-+) 22.Qe2? (22.Ne6 Ne3 23.Nc7 Nc4 24.Bc4 Rc7 25.d5-+) 22...Bg5 23.Qg4 Qf4 (better 23...Bf6 24.Qg3 Qa5-+) 24.Qf4 Bf4 25.Ne3 (25.a3 b3 26.d5 ed5 27.cd5-+) 25...f5?? (better 25...Nd4 26.Re1 h5-+) 26.d5-/+ Ne5 (26...Ne7 27.Bf6 Bf7 28.Rh4-/+) 27.Be2 (27.Bc2 Bf7-/+) 27...Bf7 (27...ed5 28.Nd5 Rd5 29.cd5 Rd5 30.g3+-) 28.a3 (28.Rc1 Re8 29.Rd1 g5-/+) 28...b3 (28...ed5 29.Nd5 Bd5 30.cd5 Rd5 31.ab4-+) 29.Rd1 (29.de6 Be6 30.Nd5 Bd5 31.cd5 Rd5 32.Rb3 b6=+) 29...g5 (29...b6 30.a4-/+) 30.g4 (30.de6!? Rd1 31.Nd1 Be6 32.Be5-+) 30...ed5 31.cd5 (31.Nd5 Bd5 32.Rd5 Rd5 33.cd5 fg4 34.Rb3 Nf3 35.Kg2 Rd7=+ (35...Rd5?? 36.Bc4 Nh4 37.Kh1+-; worse 35...Nh2 36.Rb7 Rb8 37.Rg7 Kf8 38.Bf6+=)) 31...fg4 32.Bg4 Rd5 (better 32...Rd6-/+) 33.Nd5= Rd5 (33...Bd5?? 34.Rd5 Re8 35.Be5 Be5 36.Rb3+-) 34.Rd5 Bd5 35.Bd1 g4 36.Bb3 (36.Rh5 Nf3 37.Bf3 Bf3=) 36...gh3 37.Bd5 Kf8 38.Bb7 Nc4 (38...Ng4 39.Bd4=) 39.Bd4+= Na3?? (better 39...a5+=) 40.Bc5+- (40.Bc5 Ke8 41.Ba3+-) 1–0. Olivetti,Davide (2155) – Maurer,Fritz (2015), 38th International Chess Festival Citta, 2016. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 e6 8.0-0 Nf6 9.Re1 Be7 10.Bd3 Qg4 11.Bb2 0-0 12.Qc2 Qh5 13.Nbd2 h6 14.Re3 Rd8 15.Rae1 Qa5 16.d5 Nb8 17.Nd4 e5 (17...Qa2?? 18.Ra1 Qa1 19.Ba1+-) 18.N4b3 Qa4 (18...Qa2?? 19.Ra1 (19.Be5?! Qc2 20.Bc2 Bf8=) 19...Qa1 20.Ba1+-) 19.Be5 (worse is 19.Re5 Bd6 20.R5e2 Nbd7+/- (20...Qa2?? 21.Ra1 Qa1 22.Ba1+-)) 19...Bd6?? (better is 19...Bf8 20.Bf6 gf6+-) 20.Be2 (better is 20.Bd6 Na6 21.Be7+-) 20...a6 (better is 20...Be5 21.Re5 b5+/-) 21.c5?? (21.Bf6 gf6 22.Qe4 Nd7+-) 21...Bf8?? (better is 21...Be5 22.Re5 Nbd7= (worse is 22...Nd5 23.Nc4+/-)) 22.d6 Nc6? 23.Bc4?? Na5?? 24.Na5 Qa5 25.Nb3 (25.Nb3 Qa4 26.Bf6+-) 1–0. Sochacki,C (2405) – Ane,C (2120), ch–FRA Cadets, 2012. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.Be2 Bf5 8.0-0 Rd8 9.Be3 e6 10.Nbd2 Qc2 11.Qe1 Be7 12.d5 ed5 13.cd5 Rd5 14.Bc4 Ra5 (better is 14...Rd7!?-/+) 15.Nd4= Nd4 16.Bd4 Nf6 17.Rc1 Qa4 18.Nb3 Ra6 (18...Qa3 19.Qe2 Qa2 20.Na5 Qa5 21.Bf6 gf6 22.Qh5+-) 19.Qe5 (19.Nc5 Qa5 20.Nb7 Qa3+-) 19...Qd7+/- 20.Ba6 ba6 21.Rc7 Qd6? (21...Qe6 22.Ra7 Qe5 23.Be5+-) 22.Qd6 (22.Re7!? Qe7 23.Qf5 0-0+-) 22...Bd6 23.Re1 Be6?? (23...Ne4 24.Re4! Kd8+-) 24.Rc8 (24.Rc8 Kd7 25.Rh8+-) 1–0. Svenonius,Bengt – Blankenau,Mike P, New York op, 1991. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.Be2 Bf5 8.0-0 e6 9.d5 0-0-0?? (better is 9...ed5 10.Nbd2 Qe6 11.cd5 Qd5+=) 10.Nbd2+- Qc2 11.dc6 bc6 (11...Qd1 12.Rd1 Bd6 13.Nd4+-) 12.Ne5 Qc3 13.Nf7 Bc2 14.Ne4 Rd1 15.Nc3 Rf1 (15...Rd7 16.Nh8 bc3 17.Bf3+-) 16.Kf1 bc3 17.Nh8 Nf6 18.a4 (18.Nf7 Bb4+-) 18...a5 (18...Ne4 19.Nf7+-) 19.Nf7 Nd7 20.Bf4 Bb4 21.Nd6 Kd8 22.Rc1 Bg6 23.f3 (23.h4 e5 24.Bg5 Kc7+-) 23...Nc5 (23...e5 24.Bg5 Kc7 25.Ne4 Be4 26.fe4+-) 24.Ne4! Nb3 (24...Ne4 25.fe4 Combination; 24...Be4 25.Bg5 Double attack (25.Bg5 Decoy)) 25.Rc3 Bc3 26.Nc3 Bc2 27.Be5 g6 28.Bd6 Kd7 29.Ba3 e5 30.Ke1 Nd4 31.Kd2 Bb3 (31...h6 32.Bd3 Bd3 33.Kd3+-) 32.Ne4 Ne6 33.Nf6 Kc7 34.Nh7 Ba4 35.h4 (35.Nf8 Nf8 36.Bf8 c5+-) 35...Nf4 36.g4 (36.Bf1 c5+-) 36...Kb6 (36...Ne2 37.Ke2 Bb3 38.Kd3+-) 37.Nf8 c5 38.Bb2 Bb3 (38...Ne2 39.Ke2 Be8 40.Nh7+-) 39.Ba1 (better is 39.Bf1 a4 40.Be5+-) 39...Ne2 40.Ke2 Bc4 41.Ke3 Bf7 42.Be5 Kb5 (42...Kc6+-) 43.f4 Kb4 44.Kd2 (44.g5 a4 45.f5 gf5+-) 44...Kb3 (44...a4 45.Nd7+-) 45.Nd7 (45.g5 Kc4 46.f5 Bd5+-) 45...c4 (45...a4+-) 46.Bc3 a4 47.Nc5 Ka3 (47...Ka2 48.Na4 Be6+-) 48.f5 gf5 49.gf5 Be8 50.f6 Bf7 51.Ne4 Kb3 52.Nd6 Bg6 53.f7 1–0. Palsson,H (2020) – Jonsson,Ol (1895), Skakmot odlinga, 2015. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 Bf5 8.0-0 e6 9.Be3 Qc2 (better is 9...Nf6!?+=) 10.d5+= Qd1 11.Rd1 ed5 12.cd5 Nb8 13.Nbd2 Nf6 14.Nd4 Bd7 15.Bf3 Na6 16.Bf4 Bc5 17.Re1 Kd8 18.N4b3 Re8 19.Nc4 Bg4 20.Bg4 Ng4 21.Nc5 Re1 22.Re1 Nc5 23.Nd6 Kd7 24.Bg3 Nh6 25.Rc1 b6 26.Rc4 a5 27.f3 b3 28.ab3 Nb3 29.Nb5 Rc8 30.Bc7 f6 31.Kf2 Nf5-/+ 32.Rc6 White intends d6 32...Nbd4-+ 33.Nd4 Nd4 34.Rc4?? Nb5 35.d6 Nd6 (35...Nd6 36.Rg4 Rc7 37.Rg7 Kc6-+; 35...Rc7?! 36.dc7 Nc7 37.Ra4-/+) 0–1. Fernandes,Felipe – Shevelev,Sergei (2430), Hospitalet op, 1993. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    7.Be2 Bf5 8.d5 Ne5 9.0-0 Nf3 10.Bf3 Qc2?? 11.Qd4 Nf6 12.Re1 Rc8 (12...Qd3 13.Qf4=) 13.Bg5 Rc4 14.Qa7 Ne4? (14...Qb2 15.Qb7 Qa1 16.Qb5 Nd7 17.Qc4+-) 15.Be4 (15.Bd1!? Qb2 16.Re4+-) 15...Re4+- 16.Qb8 Bc8 (better 16...Kd7 17.Qb7 Kd8+-) 17.Na3!+- Re1 (17...ba3 18.Re4 Combination) 18.Re1 Qf5 (18...ba3 19.Rc1 Qc1 20.Bc1 Kd7+-) 19.Rc1 (better 19.Nb5 Qd7 20.Nd6 Qd6 21.Qd6+- (21.Qc8 Qd8 22.Qb7 Qd7 23.Qb8 Qd8 24.Qb4 f6 25.Qa4 Qd7 26.Qa8 Kf7+-)) 19...f6+- 20.Rc8 Kf7 21.Be3?? (21.Qb7 Qg5 22.g3+- (22.Qb4?! Qd5 23.Qc4 Qc4 24.Nc4 Rg8+-)) 21...ba3?? (better 21...Qd5 22.Rc1 ba3-/+) 22.Qb7+- Qe5 23.h3 g5 24.Bc5 Kg6 25.Qa8 Kf7 26.Ba3 (26.Qc6 Qa1 27.Kh2 Qe5 28.g3 Qf5+-) 26...Qe1 27.Kh2 Qf2 28.Bc5 Qf4 29.Kh1 g4 30.Qa3 Qf1 (30...Rg8 31.Bg1=) 31.Bg1 (31.Kh2 Rg8 32.hg4 Rg4=) 31...Qf5 32.Rd8 White plans d6 (32.Rc5 gh3 33.Qh3 Qh3 34.gh3 Bh6+=) 32...Rg8 (32...Bg7 33.hg4 Qg4 34.Rh8 Bh8 35.Qh3+=) 33.Qb3 gh3 34.d6 Kg7 35.de7 (35.Qg3 Kf7 36.de7 A) 36...Rg3?? 37.ef8Q (37.ef8R?! Ke6 38.Rfe8 Kf7 39.Rf8 Ke7 40.Rfe8 Kf7 41.Rf8=) 37...Kg6 38.Qg8 Kh6 39.Qg3 hg2 40.Qg2 Qh5 41.Bh2+-; B) 36...hg2 37.Qg2 Ke7 38.Qg8 Qh3 39.Bh2 Qf1 40.Bg1 Qh3 41.Bh2 Qf1 42.Bg1 Qh3=) 35...hg2=+ 36.Kg2 Qe4 37.Kf1 Qe7 38.Qd5 Kh8 (38...Qe5 39.Qe5 fe5 40.Bh2=) 39.Bd4 Rg7?? (39...h6 40.Rd7 Rg5 41.Re7 Rd5 42.Bf6 Kg8 43.Re2=) 40.Rc8 (better 40.Bc5! Rg5 41.Be7 Rd5 42.Bf6 Kg8 43.Rd5+-) 40...Qf7 (40...Rg4 41.Kf2=) 41.Qd6 The isolani on f6 becomes a target (better 41.Qf7 Rf7 42.a4+=) 41...Rg8?? (41...Kg8 42.a4=) 42.Bf6 (better 42.Qf6 Qf6 43.Bf6 Bg7 44.Bg7 Kg7 45.Rg8 Kg8 46.a4+-) 42...Bg7= 43.Rg8 Kg8 44.Qd8 Bf8 45.a4 h5 46.Kg2 (46.a5 Qc4 47.Kf2 Qf4 48.Ke2 Qe4 49.Kd1 Qb1 50.Kd2 Kf7=) 46...Qa2 47.Kh3 Qb3 (47...Qa4?? 48.Qd5 Kh7 49.Qh5 Kg8 50.Qg6 Bg7 51.Qg7) 48.Kh4 Qa4 49.Kh5 ½–½. Valim,Luiz Claudio – Bil,A (1960), 4th Floripa Open (6), 2018. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 Nf6 8.0-0 e6 9.Bd3 Qg4 10.h3 Qh5 11.d5? (better 11.Be2!?=+) 11...ed5 12.Re1 Be6 13.Nbd2 Rd8 14.Qa4 Bc5 (14...Bd6 15.c5 Bf4 16.a3-/+) 15.cd5 (15.Re5 g5 16.Nb3 dc4 17.Nc5 cd3 18.Nb7+-) 15...Qd5-/+ 16.Bc4 Qd7 17.Nb3 (17.Bb2 0-0 18.Bf6 gf6-/+) 17...Bb6 18.Bg5 0-0 19.Bf6 gf6 20.Qb5 Ne5! 21.Ne5 Qb5 (21...fe5?! 22.Qe5 h6 23.Re4=+) 22.Bb5 fe5 23.Re5 Kh8 24.Rae1 Bb3 (24...Rg8!?-/+) 25.ab3=+ Rd2 26.R1e2 Rfd8 27.Rd2 Rd2 28.Re2 Re2 29.Be2 Kg7 30.Kf1 Kf6 31.Bf3 Bc5 32.Bb7 Ke5 33.Ke2 Kd4 34.f3 Kc3 35.Bd5 f6 36.g4 Kd4 37.Bc4 a5 38.Kd2 (38.Be6 Bd6=) 38...h6 (better 38...a4!?-/+) 39.Bf7 Ke5 40.Ke2 Kf4 41.h4 Kg3 42.g5 (42.h5!?=) 42...fg5=+ 43.hg5 hg5 44.Be6 Kf4 45.Kd3? (better 45.Bd7=+) 45...Kf3-+ 46.Kc4 Bf8 47.Kb5?! (47.Bd5 Kg3 48.Kd3-+) 47...g4 48.Bd5 Kf2 49.Ka5 g3 50.Kb5 g2 51.Bg2 Kg2 52.Kc4 Kf2 53.Kd3 Ke1 54.Kc2 Ke2 55.Kc1 Kd3 56.Kb2 Kd2 57.Kb1 (57.Ka1 Kc2 58.Ka2 Bd6 59.Ka1 Kb3 60.Kb1 Bf4 61.Ka1 Kc2 62.Ka2 Bc1 63.Ka1 Bb2 64.Ka2 b3) 57...Kc3 (57...Bh6 58.Kb2 Be3 59.Ka2 Kc2 60.Ka1 Kb3 61.Kb1 Bd2 62.Ka1 Kc2 63.Ka2 Bc1 64.Ka1 Bb2 65.Ka2 b3) 58.Ka2 Bc5 59.Kb1 Kb3 60.Kc1 Ka2 61.Kc2 b3 62.Kd3 b2 63.Kc4 b1Q (63...Bb6 64.Kd5 b1Q 65.Kc6 Qg6 66.Kd5 Bc7 67.Kd4 Qe6 68.Kd3 Kb3 69.Kd2 Qe4 70.Kd1 Qd3 71.Ke1 Bg3) 64.Kc5 Qe4 (64...Qe4 65.Kd6 Kb3 66.Kc7 Qe5 67.Kb6 Qe7 68.Kc6 Kc4 69.Kb6 Qc5 70.Kb7 Kb5 71.Kb8 Kb6 72.Ka8 Qf8) 0-1. Nithyalakshmi,Sivanesan (1945) - Guimaraes,W (2215), Titled Tuesday 9th June, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    7.Be2 Bg4 8.0-0 e6 9.d5 ed5=+ 10.cd5 0-0-0 11.Nbd2 Qd5 12.Qc2 Bf5 13.Qa4 Bd3 14.Bd3=+ Qd3 15.Bb2 f6 16.Rac1 Kb8 17.Rfd1 Rc8 18.Nc4 Qf5 19.Nd4+- Nd4 20.Bd4 a6 21.Nb6 Rd8 22.Be5 fe5 23.Rd8 Ka7 24.Nc8 (24.Nc8 Qc8 25.Rcc8 h5 26.Qa5 b3 27.Ra8; 24.Qa5 Qf2 25.Kf2 Bc5 26.Qc5 Nf6 27.Nd5 b6 28.Qb6) 1–0. Le Ruyet,L (1880) – Flament,A (2070), 5th Rohde Open, Sautron FRA, 2005.

    7.Be2 Bg4 8.0-0 e6 9.Be3 Rd8 10.Nbd2 Qg6 11.Qa4 Be7?? (better is 11...Rd7+=) 12.Ne5+- (12.Ne5 Be2 13.Ng6 hg6 14.Rfe1+-) 1–0. Nystrom,Leif – Simola,Tuomas (2085), Salo We SalSK op, 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be2 Bg4 8.Nbd2 Qg6 9.d5 Nb8 10.Qb3 (10.Ne5 Qf6 11.Bb2 Bf5 12.Qa4 Nd7+-) 10...Qb6 11.Ne4 e6? (11...Nd7 12.Be3 Qg6 13.Rd1+=) 12.Be3 (better is 12.Qa4!? Nc6 13.dc6 Qc6 14.Qc6 bc6 15.Be3+-) 12...Qa5 13.0-0 Nd7 14.d6 (14.Rfd1 Ngf6 15.Nf6 Nf6+=) 14...Ngf6 15.Nf6 Nf6 16.Rfd1 g6? (16...Rd8 17.c5 Ne4 18.d7 Ke7+/-) 17.Bd4 Bg7 18.d7! Kf8 (18...Kd7 19.Bf6; 18...Nd7 19.Bg7) 19.a3 e5 (19...Kg8 20.ab4 Qd8 21.Qe3+- (21.Ra7?! Ra7 22.Bb6 Qb6 23.d8Q Qd8 24.Rd8 Bf8+-)) 20.ab4 (20.Ne5 Bd7 21.Qb2 Rg8 22.Nd7 Nd7 23.Bg7 Rg7 24.Rd7 ba3 25.Ra3 Qe1 26.Bf1 Qe8 27.Rb7 a5+-) 20...Qc7? (20...Qd8 21.Bc5 Kg8 22.Ra7 Nd7 23.Ne5 Be2 24.Rd7 Qb8+-) 21.Be5 Qd8 22.Qb2 Nh5 23.Qd4 f6 24.Bd6 Kf7 25.Qg4 (25.Qg4 Bf8 26.c5 Bd6 27.Rd6+-) 1–0. Ruzicic,Sinisa (1975) – Bulatovic,Luka (1675), Senta SER, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be3 e6 8.Nbd2 Qg4 9.h3 Qg6 10.d5 ed5 11.cd5 Nce7? (better 11...Nb8+=) 12.Bb5 Bd7 (12...Kd8 13.Ne5 Qf6+-) 13.Bd7 Kd7 (13...Kd8 14.Nc4 Nh6+-) 14.Ne5 (14.Ne5 Kd8 15.Ng6 hg6 16.Nf3+-) 1-0. Sijavush (2525) - agnivo (2520), Rated Blitz game, lichess.org, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    7.Be3= e6 8.Bd3+/- Qg4 9.d5 ed5 10.cd5 Nd8? (better is 10...Nce7!? 11.0-0 Nf6+=) 11.0-0+- Bd6 (11...Be7 12.Re1 Kf8 13.Bd4+-) 12.Nbd2 (better is 12.Re1 Ne7 13.Nbd2+-) 12...f6?? (12...Nf6 13.Bb5 Bd7+/-) 13.Nc4 (13.Ne4 Bb8 14.Re1 Kf7+-) 13...Qd7 14.Rc1 Ne7 15.Re1 Kf7 16.Nd6 Qd6 17.Bc5 Qd7 18.Re7 Qe7 19.Be7 Ke7 20.d6 (20.d6 Kf8 21.Qe1 Be6 22.Nd4 Kg8 23.Ne6 Nf7 24.d7 Ne5 25.Rc7 Rd8 26.Nd8 g6 27.Ne6 Nf3 28.gf3 b3 29.d8Q) 1–0. Karagollu,Ahmet (2080) – Zuhre,Ibrahim (2030), Konya TUR, Team Ch, 2014. (=1.e4 c5 2.Nf3+= Nc6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be3 e6 8.Bd3 Qg4 9.d5 Qg2 10.Rg1+- 1–0. Koch,Christian (2335) – Estieu,Frederick, FICGS, 2006. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be3 e6 8.Bd3 Qg4 9.d5 Qg2 10.Rg1 Qh3 11.dc6 bc6 12.Be4+-.

    7.Be3= e6 8.Bd3+/- Qg4 9.d5 Qg2 10.Rg1 Qh3 11.Rg3+-.

    7.Be3= Qf5!? =.

    7.Be3 Bg4 8.Bd3 Bf3 9.gf3 Qh4 10.Qa4 0-0-0 11.d5 Ne5 12.Be2 Kb8?? (12...Nc4 13.Ba7 A) 13...Rd5 14.Qb4 Rh5 15.Bc4+- (15.Qc4?! Qc4 16.Bc4 e6+-); B) 13...Qf4+=) 13.Qa7 Kc8 14.Nd2 Rd6? (14...Qf6 15.Rb1 Qa6 16.Qc5 (16.Rb4?! Qa7 17.Ba7 e6+/-) 16...Kd7 17.f4+-) 15.Bb6 Rb6 16.Qb6 e6 17.d6 (worse is 17.de6 Qf6 18.Rd1 Qe6 19.Qe6 fe6+-) 17...Qd8 18.Qd8 Kd8 19.c5 b6 20.cb6 Bd6 21.Ne4 Bb8 22.0-0-0 Ke7 23.f4 Nc6 24.Bb5 Na5?? (better is 24...Nf6 25.Nf6 Kf6+/-) 25.Rd7 (25.Rd7 Ke8 26.Rc7 Nc6 27.Bc6 Kf8 28.Rc8 Ke7 29.Re8) 1–0. Mooi Osric Kok Onn (2140) – Lugo,Blas (2415), Internet Section, 2004. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    7.Be3 Bf5

    8.Nbd2 Qc2 9.Qc2 Bc2 10.d5 Na5 11.Rc1 Ba4 12.Nd4 (12.Bd3 Nf6=) 12...Bd7 (12...Nf6 13.Be2=) 13.c5+= e5 14.Nb5 White prepares the advance d6 14...Kd8 15.d6 Bc6 16.Nc7 Rb8 (16...Rc8 17.Rb1+=) 17.Nc4 Nc4 18.Bc4 f5 19.f3 Nf6 20.0-0 f4 (20...Rc8 21.Bd2 Rc7 22.dc7 Kc7 23.Bb4+=) 21.Bf2 b5 (better 21...b6!?+/-) 22.Bd3+- Nd5 (22...a5 23.Rfe1 Nd7 24.Bd4+-) 23.Nd5 (23.Be4!? Nc7 24.Bc6 g5+-) 23...Bd5 24.Bf5 g6 (24...b3 25.ab3 Bb3 26.Bh4 Ke8 27.d7 Kf7+-) 25.Bh4 Ke8 26.d7 (26.Rfd1 Ba2 27.c6 Bd6 28.Bd7 Kf7 29.Rd6 b3 30.Be6 Kg7+-) 26...Kf7 27.Bh3 (better 27.c6!? Bc4 28.c7 Bc5 29.Kh1 gf5 30.cb8R Rb8 31.Rfe1+-) 27...Bc4+/- 28.c6 Bc5 (28...Bd6 29.Rf2+/-) 29.Bf2 Bd6 30.Rfd1 Bc7 31.Ba7 Ra8 32.Bc5 Ra6? (better 32...Rhd8 33.Bd6 Ra7+=) 33.Bd6+- Bb6 (33...Rc6 34.Bc7 Rc7+-) 34.Kh1 Ra7 35.Be5 Rha8 36.Bf4 Bd8 37.g3 g5 38.Be5 Be2 39.Rd2 White plans c7 39...Bf3 40.Bg2 Bg2 41.Rg2 Ra2 (41...Ke6 42.Bd4 Ra6 43.Re2 Kd5+-) 42.Ra2 Ra2 43.c7 (43.c7 Ke7 44.Bf6 Kd6 45.cd8Q Rh2 46.Kh2 Ke6 47.Qe7 Kf5 48.Rc5 Kg6 49.Rg5 Kh6 50.Bg7) 1-0. Morariu,Daniel (1740) - Bejan,Sergiu (1915), Bicaz City Cup, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4)

    8.Nbd2 Qc2 9.Qc2 Bc2 10.d5 Na5 11.c5 0-0-0 12.Nd4 Bg6 13.N2b3 Nb3 14.ab3 e5 15.de6 Bc5 16.Rc1 Rd5 17.ef7 Bf7 18.Bc4 b6 19.Bd5 Bd5 20.Nf5 Bb3 21.Bc5 bc5 22.Rc5 Kd7 23.0-0 Ne7 24.Rb1 Nf5 25.Rb3 Ke6 26.Rb4 g6 27.Ra4 Rb8 28.h3 Rb6 29.Ra7 h5 30.Rca5 Rb1 31.Kh2 h4 32.R5a6 Ke5 33.Rg6 Rb5 34.Rf7 Kd5 1–0. Kilicaslan,H (2260) – Ataman,A (2205), ch–TUR, Ankara TUR, 2008.

    8.Nbd2 Qc2 9.Qc2 Bc2 10.d5 Na5 11.Nd4 Ba4 12.Rb1 e6 13.de6 Nf6 14.Nb5 Bb5 15.ef7 (worse is 15.cb5 fe6 16.Bd4 b6=) 15...Kf7 16.cb5 Rc8 17.Nb3 (17.Ba7 Bc5 18.Bc5 Rc5 19.Rb4 Re8 20.Kd1 Rd8+/-) 17...b6 (better is 17...Nb3!? 18.Rb3 Bd6=) 18.Na5+/- ba5 19.Ba7 Bd6 20.Bd3 Rc3 21.Rd1 Re8 22.Kf1 Rec8 23.g3 Bc5 24.Bc5 R8c5 25.Kg2 Rd5 26.Be2 Ke7 27.b6 Rd1 28.Rd1 Rc6 29.b7 Rb6 30.Bf3 a4 31.Bc6! b3 (31...Rc6 32.b8Q Combination) 32.Re1 (better is 32.Rb1+-) 32...Kd6+/- 33.Ba4 ba2 34.Ra1 Rb7 35.Ra2 Ra7 36.Rd2 Ke7 37.Bb3 Rb7 38.Rd3 g6 39.f4 Ra7 40.Kf3 Rc7 41.g4 Rc1 42.Bd1 Rc5 43.g5 Nd5 44.Bb3 Nb4 45.Re3 Kf8 46.Kg4 Nc6 47.Re6 Nd4 48.Rf6 Ke7 49.Bg8 h5 50.Kg3 Rc2 51.Bh7 Nf5? 52.Kf3 Nh4 53.Ke4 Re2 54.Kd5 Rd2 55.Kc5 Rh2 56.Bg6 Ng6 57.Rg6 Rf2 58.Rf6 h4 59.Kd5 h3 60.Ke5 h2 61.Rh6 Ra2 62.Kf5 Kf7 63.Kg4 Rf2 64.Kg3 Rf1 65.Rh2 Kg6 66.Rh6 Kf5 67.Rf6 Ke4 68.Kg4 1–0. Teske,Henrik (2510) – Sill,Thomas, Bayern–chI Bank Hofmann 2nd, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    8.Nbd2 Qc2 9.Qc2 Bc2 10.d5 Nb8 11.c5 Ba4 (11...Bg6 12.Rc1 e6 13.Bb5 Kd8 14.de6 fe6 15.Ne5+-) 12.Rb1 (12.a3 b3+-) 12...a5+= 13.Nc4 Nd7 14.Nb2 Bc2 15.Rc1 Be4 (15...Bf5!?+-) 16.c6+- bc6 17.dc6 Ndf6 (better 17...Ngf6+-) 18.Bb5 Kd8 19.Ne5 Bg6 (19...Kc7 20.Nf7 Bg2+-) 20.Bb6 Kc8 21.Rd1 (21.Rd1 Bd3 22.Rd3 Nd5 23.Rd5 b3 24.Rd8) 1–0. Hotak,Marian (2035) – Gajdosik,Andrej (2045), Slovak, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    8.Nbd2 Qc2 9.Qc2 Bc2 10.d5 Nd8 11.c5 Ba4 12.Rb1 Nf6 13.Rb4 Bd7 14.Bc4 e6 15.d6 b6 16.Nd4 Nc6 17.Nc6 Bc6 18.Bb5 Bb5 19.Rb5 Nd5 20.Nc4 Ne3 21.fe3 (worse is 21.Ne3 bc5 22.Nc4 Rd8+=) 21...f6 22.0-0 Rd8 (better is 22...bc5!? 23.Rd1 Rd8+/-) 23.cb6+- ab6 24.Rb6 Rc8 25.Rd1 Kd8 (25...Kf7 26.Rb7 Kg6+-) 26.Na5 Ra8 (26...Bd6 27.Rbd6 Ke8 28.Nc6+-) 27.Nb7 Kd7 28.Nc5 Kd8 (28...Ke8 29.d7 Kf7 30.d8Q Rd8 31.Rd8 Bc5 32.Rb7 (32.Rh8?! Be3 33.Kf1 Bb6+-) 32...Kg6 33.Rh8 Be3 34.Kf1+-) 29.Ne6 (29.Rb7 Ke8 30.d7 Kf7 31.d8Q Kg6 32.Qa8 Bc5 33.Qh8 Be3 34.Kf1 Kg5 35.Qg7 Kh5 36.g4 Kh4 37.Qf6 Kg4 38.Rb4 Bf4 39.Rf4 Kh5 40.Rh4) 29...Kd7 30.Nc5 Kd8 (30...Ke8 31.d7 Kf7+-) 31.Rb7 (31.Rb7 Ke8 32.d7 Kf7 33.d8Q Kg6 34.Qa8 Be7 35.Qh8 Bc5 36.Rg7 Kf5 37.Qc8 Ke5 38.Qc5 Ke4 39.Re7) 1–0. Sochacki,Christophe (2270) – Favarel,Antoine (2210), FRA–ch Accession, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    8.Nbd2 Qc2 9.Be2 e6 10.0-0 Nf6 11.h3 Be7 (11...Qd1 12.Rfd1 0-0-0 13.Nf1-/+) 12.Ne5 Ne5 13.de5 Nd7 14.Nf3 a6 (14...Be4 15.Qc2 Bc2 16.Nd4-/+) 15.Re1 (15.Nd4 Qd1 16.Rad1 Bg6-/+) 15...Rd8 16.Qc2 (16.Nd4 Qd1 17.Rad1 Be4-/+) 16...Bc2 17.Nd4 Ba4 18.Bf3 (18.f4!?-/+) 18...Ne5-+ 19.Bb7 Nc4 (19...Nd3 20.Ba6 Bf6 21.Nb5-+) 20.Bc6? (better 20.Ba6 Ne3 21.fe3-/+) 20...Bc6-+ 21.Nc6 Ne3 (21...Rc8!? 22.Ne7 Ke7 23.Rad1-+) 22.Re3 Rd2 23.Ne7 Ke7 24.a3 ba3 (24...a5 25.ab4 ab4 26.Ra7 Rd7 27.Ra4-+) 25.Raa3 (25.Rea3 Rb8 26.Ra6 Rbb2-/+) 25...Ra8 26.Ra5 Ra7 27.Rea3 Rd6 28.Kh2 Kd7 (28...f6 29.f4-+) 29.Kg3 (29.Rh5!?=+) 29...Kc7 30.Rb3 (30.R5a4 Kd8-+) 30...Rd5 31.Ra4 a5 32.f4 (32.Rb2 Rc5-+) 32...Kc6 33.Kf3 Rb5 34.Rc3 Kb6 (34...Rc5 35.Rb3-+) 35.Rac4 a4 36.Ra3 Rba5 37.Rb4 (37.Ke3 g6-+) 37...Kc5 38.Rb1 (38.Rb8 Rb5 39.Rc8 Kb4-+) 38...Rb5 39.Rc1 (39.Rba1 Rb4 40.g3-+) 39...Kb6 40.Rcc3?? (better 40.Rc4=) 40...Rb4 (40...Rb2 41.g4-+) 41.Ke3 (41.Re3 Rb2-+) 41...Rd7 (41...Rb2 42.g4-+) 42.Ra1 (42.Rc8 Kb7 43.Rcc3 Rd1-+) 42...Kb5 43.Rc8 Rb7 (better 43...Rb3!? 44.Ke2 a3 45.Rb8 Ka4 46.Ra8 Kb4 47.h4-+) 44.Ra8 f5 (44...h6 45.g3-+) 45.Kf3 h6 46.Kg3 g5 47.fg5 hg5 48.Re1 (48.Kf2 Rf4 49.Kg3 Rc4-+) 48...Rb3 49.Kh2 Rb6 50.Ra1 Rb4 Black prepares g4 51.Rg8 g4 (51...Ra6 52.g4 Rb2 53.Kg3 f4 54.Kf3 Rb3 55.Kg2-+) 52.hg4 (better 52.h4-+) 52...Rg4 53.Rg4 (53.Rd8-+) 53...fg4 54.Kg3 Kb4 (54...Ra6 55.Kg4 a3 56.Kg5-+) 55.Kg4 (55.Rb1 Ka5 56.Rg1 Rb4-+) 55...a3 56.Kf4 (56.Rb1 Kc5 57.Ra1-+) 56...Kb3 (better 56...Ra6 57.Ke5 Kb3 58.g4-+) 57.g4 (better 57.Rb1 Kc4 58.Rb6+-) 57...Ra6 Black prepares the advance a2 (57...Kb2 58.Rg1 a2 59.Rd1-+) 58.g5 Kb2 59.Rg1 a2 60.g6 (60.Ke5 Ra5 61.Ke6 Rg5 62.Rg5 a1Q-+) 60...a1Q (60...a1Q 61.Ra1 Ra1-+ (61...Ka1?! 62.Ke5=)) 0–1. Kummer,Heinz (1740) – Frey,Armin (1985), 25th International Open Feffernitz, 2016. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    8.d5 Ne5= 9.Ne5 (9.Nd4 Bd7=) 9...Qe5=+ 10.Nd2 Bg4 (better 10...Nf6=+) 11.Qa4?? (better 11.Be2!? Nf6 12.0-0 Be2 13.Qe2+=) 11...Bd7 (better 11...b5 12.Qb5 Bd7 13.Qb4 Qa1 14.Nb1 Nf6-+) 12.Qd1=+ g6 (12...Nf6 13.Nf3 Qc7 14.Qd4=+) 13.Rb1 (13.Nf3 Qc7=) 13...Bh6 (13...Nf6 14.Nf3 Qc7 15.Bd3=) 14.Nf3= Qc3 15.Bd2 Bd2 16.Qd2 Qd2 17.Nd2 (17.Kd2!? a5 18.a3=) 17...a5-/+ 18.Bd3 Nf6 19.0-0 0-0 20.a3 e6 (better 20...ba3 21.Rb6 Rfb8-/+) 21.de6? (better 21.ab4 a4 22.d6=) 21...Be6-+ 22.ab4 (22.Ne4 Ne4 23.Be4 Bc4-+) 22...Rfd8 23.Rb3 (23.Ne4 Rd3 24.Nf6 Kg7-+) 23...b5! 24.Rc1? (24.cb5 Bb3 Pinning (24...Bb3 Deflection)) 24...ab4 25.Ne4 (25.Kf1 Ra2 26.Ke1-+) 25...Ne4 26.Be4 Ra4 27.Bc6 (27.Rb2 b3 28.Rb3 Rc4-+) 27...bc4 28.Ba4 (28.Rbb1 Ra6 29.Bb5-+) 28...cb3 29.h3 (29.Kf1 Ra8 30.Bb3 Bb3-+) 29...Ra8 (better 29...b2 30.Rb1 Rd2 31.Kf1-+) 30.Bb5 (30.Bb3 Bb3 31.Rb1-+) 30...b2 (30...b2 31.Rb1 Ra1-+) 0–1. Soilemetzidis,K (2025) – Papakonstantinou,Spyridon (2165), 3. Vardaris Open, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    8.Be2 Qc2 9.0-0 Nf6 10.d5 Qd1 11.Rd1 Nb8 12.Nd4 Bg4 13.f3 Bd7 14.a3 e6 15.de6 fe6 16.ab4 Bb4 17.Nc2 Be7 18.Ra7 (18.Ba7? Ra7 19.Ra7 Bc5 20.Kf1 Ba7-+) 18...Ra7 19.Ba7 Na6 20.Be3 Ba4 21.Rc1 Bc2 22.Rc2 Bc5 23.Kf2 Ke7 24.Nd2 Be3 25.Ke3 Nc5 26.Rb2 Ra8 27.Kf2 Ra3 28.Nb1 Ra8 29.Nd2 Nfd7 30.f4 g6 31.Nb3 Ra3 32.Nc5 Nc5 33.g3 Kd6 34.Rb6 Kc7 35.Rb5 b6 36.Rb2 Na4 37.Rc2 Nc3 38.Bg4 Kd6 39.Kg2 Ra2 40.Ra2 Na2 41.Kf2 Nc3 42.Ke3 Na4 43.Kd4 Nc5 44.Bd1 Nd7 45.h4 e5 46.fe5 Ne5 47.Be2 Nc6 48.Ke4 Ne5 49.Kf4 Ke6 50.g4 h5 51.gh5 gh5 52.Kg5 Kf7 ½–½. Rekhtman,Pavlo – Ljahovetsky,I (1890), TCh–UKR Teams, Alushta UKR, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5 5.ed5 Qd5 6.c4 Qe4)

    5.e5 Bg4

    6.Nbd2 e6 7.Bb2 Nge7 8.h3 Bh5 9.Bd3 Rc8 10.0-0 Bg6 11.Nb3 Na5 12.Na5 Qa5 13.a3 Bd3 14.cd3 b3 15.Qb3= Qa6 16.a4 Nc6 17.Rfc1 Be7 18.Rc2 0-0 19.Qb5 Nb4?? 20.Rc8+- Rc8 21.Qd7 (21.Qd7 Qc6 22.Qe7 Nd3 23.Ba3+-) 1–0. Suarez Navas,Luis E – Camacho Maldonado,Juan, PUR–ch, 1969.

    6.Be2 e6 7.0-0 Nge7 8.Be3 Nf5 9.h3 Bf3 10.Bf3 Qb6 11.g4 Nfd4 12.Bd4 Qd4 13.Qd4 Nd4 14.Nd2 Rc8 (14...Rc8 15.Bd1 Rc3-+ (15...Nc2?! 16.Rc1=+)) 0–1. Lopez Martin,Hector Eduardo (1980) – Eve,Chris (1700), IECG, 2003.

    6.Be2 e6 7.a3 Qb6 8.Be3 ba3 9.Nbd2 Bb4 10.0-0-/+ Nge7 11.c4 0-0 12.c5 Qa5 13.Nb3 Qa4 14.Qc2 Bf3 15.gf3 0–1. Kadas,Gabor (2280) – Deak,Sandor (2320), Nyiregyhaza op, 1994.

    6.Be2 e6 7.Nbd2!? -/+.

    6.Be3 e6 7.a3 Qa5 8.Bd3 f6 9.ef6 Nf6 10.0-0 Be7 11.Nbd2 ba3 12.c4 Nb4 13.Be2 0-0 14.c5 Rac8 15.Qb3 Nc6?? 16.Qb7= Ne4 17.Qb5?? Nd2 18.Nd2+= Be2 19.Qe2 Bf6 20.Qd3 a2 21.Nf3 Rb8 22.Qe2 Qc3 23.Ra2 Bd4 24.Bd4 Nd4 25.Nd4 Qd4 26.Qe6 Kh8 27.Ra7?? Qc5 28.Ra2 Rfc8 29.Rd2 Rd8 30.h3 Rb6 31.Qf5 Rf6= 32.Qg5 h6 33.Qh4 Rfd6 34.Rd4 Re8 35.Qg4 Rde6 36.Qd1 Re5 37.Kh1 Qa5 38.Kg1 Qc5 39.Qd3 Qd6 40.g3 Re3 41.fe3 Qg3 ½–½. Mereu,M (1960) – Salentiny,E (1860), XIX EYCC Boys U18, Fermo ITA, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d5)

    4.d4 d6

    5.a3 ba3 6.Ba3 Nf6 7.Bd3 Bg4 8.c3 e6 9.0-0 Be7 10.Nbd2 0-0 11.Rb1 (11.Qb1 b6=) 11...b6 12.d5 (better 12.h3!? Bh5 13.Re1=+) 12...ed5-+ 13.ed5 Ne5 14.Be2 (better 14.Qc2!?-/+) 14...Nd5-+ 15.Qb3 Nf4 16.Bb5 (16.Bd1 Be6 17.Qa4 Nd5-+) 16...Nf3 17.Nf3 Bf3 18.gf3 Qc8 (better 18...a6 19.Bc1 Bg5-+ (19...ab5?! 20.Bf4 Ra5 21.Rfd1-+)) 19.Qc4 (19.Bc1 Bg5 20.Qb4-+) 19...Qf5 20.Kh1 d5 21.Qb3 (21.Qa4 Ba3 22.Bd7-+) 21...Qh3 22.Rg1 Qf3 (22...Qf3 23.Rg2 Qg2) 0-1. Soubirou,O (2140) - Efimov,Ig (2405), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.a3 ba3 6.Na3 Nf6 7.d5 Nb8 8.Bb5 Bd7 9.e5 (9.Qe2 g6=+) 9...de5=+ 10.Ne5 g6 11.0-0 Bg7 12.Rb1 (12.Re1 0-0=+) 12...0-0 13.Be2 Bc8 14.Bf3 Nfd7 15.Nec4 Nc5 16.Re1 Nbd7 (16...Re8 17.Bg5=+) 17.Bg5= Nf6 18.Nb5 White prepares d6 18...h6 19.Bf4 White prepares the advance d6 19...Bf5 20.d6 e6 21.Be5 g5 (21...a6 22.Nc3+=) 22.Nc7 Rb8 23.Na5 Pawn b7, live or die! 23...Nfd7 (23...g4 24.Bb7 Nb7 25.Rb7 Rb7 26.Nb7+/-) 24.Bg7+/- Kg7 25.Bb7 (25.Nb7 Nb7 26.Rb7 Rb7 27.Bb7 Kg8+/-) 25...Nb7 (25...Qf6 26.Qd2+=) 26.Nc6 Qc8 27.Ne7 (27.Na7!? Qd8 28.Nc6+/-) 27...Qd8= 28.Nc6 Qf6?? (better 28...Qc8=) 29.Nb8+- Rb8 30.Rb7! Rd8 (30...Rb7 31.Ne8 Deflection) 31.Ra7 Nc5 32.Qa1 (better 32.Qe2 Ne4 33.g4 Bg6+-) 32...Ne4 (32...Bc2 33.Qf6 Kf6 34.Rc1+-) 33.Qf6 (better 33.g4 Qa1 34.Rea1 (worse 34.Raa1 Bg6+-) 34...Bg4 35.R1a4 Nd6 36.Rg4+-) 33...Kf6 34.Rd1 Ke5? (34...Nd6 35.c4! Rb8 36.g4+-) 35.c4 (35.Ra5 Kf6 36.Ra8 Rd7+-) 35...Nc3? (35...Nd6 36.Ra5 Kf6+-) 36.Ra5 Ke4 (36...Kf6 37.Re1+-) 37.Re1 (37.f3 Ke3 38.Ra3 Ke2+-) 37...Kd3 38.c5 Kd2 (38...Kd4 39.f3 h5 40.Ra8+-) 39.Rea1 Bd3 (39...Ne4 40.R5a2 Kd3 41.Rd1 Kc3 42.Rc1 Kb3 43.Ra8 Ra8 44.Na8+-) 40.Ra8 Rd7 41.R8a3 Be4 42.Ne8 Rb7 (42...Bd5 43.Nf6 Rd8 44.Nd5 Nd5 45.Ra8+-) 43.Nf6 Bc6 44.f3 Rb2 (44...Rb8 45.Ng4 Rc8 46.Nh6+-) 45.d7 Ne2 (45...Bd7 46.Nd7 Rc2 47.Kf1+-) 46.Kh1 (46.Kf2!? Bd7 47.Ne4 Kc2 48.Ke2 Rb4 49.R1a2 Rb2+-) 46...Bd7 47.R3a2 (47.R3a2 Ra2 48.Ra2 Kc3 49.Nd7+-) 1-0. Gareev,T (2590) - Sivuk,V (2555), Bastia FRA, 2019. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.a3 ba3 6.c4 e6 7.Nc3 Nf6 8.Ba3 (8.Ra3? d5 9.ed5 Ba3 10.dc6 Bc1 11.Qc1 bc6-+) 8...Be7 9.Be2 0-0 10.0-0 a6 11.d5 Ne5?? (better 11...ed5 12.cd5 Na7=) 12.Ne5+- de5 (12...ed5 13.cd5 de5+-) 13.d6 Bd6 14.Qd6 (14.Bd6 Re8+-) 14...Qd6 15.Bd6 Re8 16.Be5 Nd7 (16...Bd7 17.Bd6 Rec8 18.e5+-) 17.Bd6 e5 (17...Rd8 18.Rfd1 f6 19.Nb5+-) 18.c5 Nf6 19.Bc4 Bd7 20.Nd5 (20.Rfb1 Ra7+-) 20...Nd5 (20...Ne4 21.Nc7 Rac8 22.Ne8 Be8 23.Bd5 (23.Be5?! Rc5 24.Bd3 Re5+-) 23...Nc5 24.Rfc1+-) 21.Bd5 Bc6 22.Rfb1 g6 (22...a5 23.Rb6 Red8 24.Bc6 bc6 25.Ra4+-) 23.Rb6 a5 24.Kf1 (24.Rc6 bc6 25.Bc6 Rec8 26.Ba8 Ra8+-) 24...Kg7 (24...Ra7 25.Bc6 bc6 26.Ra4+-) 25.Ke2 (25.Rc6 bc6 26.Bc6 Kf6 27.Be8 Re8 28.Ra5 Ke6+-) 25...f5 (25...f6 26.Bc6 bc6 27.Rc6+-) 26.f3 (26.Rc6 bc6 27.Bc6 Kf7+-) 26...h5 (26...Kf6 27.Rc6 bc6 28.Bc6+-) 27.Kd3 (27.Rc6 bc6 28.Bc6 Kf7+-) 27...a4 (27...Kf6 28.Bc6 bc6 29.Rc6+-) 28.Kc3 h4 29.Kb4 Kh6 30.Bc6 (better 30.Rc6!? bc6 31.Bc6 Rab8 32.Kc4 Red8 33.Be5 Rbc8+-) 30...bc6 31.Ra4 Rac8 (31...Ra4 32.Ka4 fe4 33.fe4+- (33.Rc6? e3 34.Bf8 Kg5-+)) 32.Raa6 Kg5 33.Rc6 Rcd8 (33...Rc6 34.Rc6 Kf4 35.Bc7 fe4 36.Rg6 ef3 37.Rf6 Kg5 38.Rf3+-) 34.Rc7 (34.ef5 Kf5 35.Bc7 Rd4 36.Kc3 Kf4+-) 34...fe4 (34...h3 35.g3 fe4 36.Be7 Re7 37.Re7 ef3 38.Re5 Kh6 39.Ree6+-) 35.fe4 (better 35.Be7!? Kf4 36.Bd8 Rd8 37.Rf7 Ke3 38.Rg6 h3+-) 35...Kf4 36.Rg7 Ke4 37.Rg6 Rg8 (37...Kf5 38.Rh6 Rh8 39.Bc7 Rh6 40.Rh6 (40.Bd8 Ra6 41.Bh4 Ra2=+) 40...Rd4 41.Kb5+-) 38.Rg8 Rg8 39.Ra2 (39.c6 Kf5+-) 39...Rg4 (39...Kd4 40.Rd2 Ke3 41.Rd5+-) 40.Kb5 (better 40.h3 Rg8 41.Kc4 Kf5+-) 40...h3 (40...Kd5 41.Rf2 Rg5 42.Rd2 Ke6 43.Re2+-) 41.gh3 Rg1 42.Re2 Kd4 43.Be5 Kd5 (43...Kd3 44.Rf2+-) 44.Bd6 (better 44.c6!? Rc1 45.c7 Rc5 46.Kb6 Rc4+-) 44...Rb1 45.Ka4 Kc4 (45...Ra1 46.Kb4+-) 46.Rc2 (better 46.c6 Kd5 47.c7 Rc1+-) 46...Kd5 47.Bg3 Kc6 48.h4 Rb7 49.Rc4 Kd5 (49...Ra7 50.Kb4 Rb7 51.Kc3 Rh7+-) 50.c6 Ra7 51.Kb5 Ra8 52.c7 Rc8 53.Rg4 Ke6 54.h5 Kf5 55.Rg7 Kf6 56.Rd7 (better 56.h6 Rf8 57.Bh4 Ke5+-) 56...Ke6 57.Rd8 Rc7 58.Bc7 Ke7 (58...Kf5 59.Rd6 Ke5 60.h6 Kf4 61.h7 Ke5 62.h8Q Ke4 63.Qd4 Kf3 64.Rf6 Ke2 65.Rf2 Ke1 66.Qd2) 59.Rg8 (59.h6 Kf6 60.h7 Ke6 61.h8Q Kf5 62.Qh5 Kf6 63.Re8 Kg7 64.Be5) 59...Kf7 (59...Ke6 60.h6 Kd5 61.h7 Ke4 62.h8Q Ke3 63.Qb2 Ke4 64.Rg3 Kd5 65.Qe5) 60.Rg3 (60.Rg6 Ke8 61.Rg7 Kf8 62.h6 Ke8 63.h7 Kf8 64.h8Q) 60...Kf6 61.h6 (61.h6 Kf5 62.h7 Kf6 63.h8Q Kf7 64.Rf3 Ke6 65.Qe8 Kd5 66.Qe5) 1-0. Tay,J (2230) - Okike,D (2175), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.a3 Nf6 6.Bd3 e6 7.0-0 Be7 8.e5 de5 9.de5 Ng4 10.Qe2 ba3 11.Ba3 0-0 (11...f6 12.Rd1 Qa5 13.Nd4 Qe5 14.Qg4+/-) 12.Be7 (12.Bh7 Kh7 13.Qe4 Kg8 14.Qg4 f6=) 12...Qe7= 13.Nc3 (13.Bh7 Kh7 14.Qe4 Kg8 15.Qg4 Rd8=) 13...Nh6 14.Qe4 g6 15.Nb5 Kg7 16.Nd6 Nf5 17.Nf5 ef5 18.Qf4 Be6 19.h4 (19.Bb5 Bd5 20.Bc6 Bc6=+) 19...h5 (19...Bd5 20.Rfe1-/+) 20.Rfb1 (20.Bb5 Bd5 21.Bc6 Bc6=+) 20...Rfd8 (20...Bd5 21.Be2-/+) 21.Bc4 (21.Bb5 Bd5 22.Bc6 Bc6-/+) 21...b6 (21...Bc4!? 22.Qc4 Ne5-/+) 22.Be6=+ Qe6 23.Re1 Rac8 24.Ng5 Qe7 25.e6 f6?? (better 25...Rd4 26.Qe3 f6=+) 26.Nf7+/- Rh8 27.Rad1 Rcd8? (27...Rce8 28.Nh8 Kh8+-) 28.Rd8 Nd8 29.Nh8 Kh8 30.Qb8 Kg7 31.Qc8 Kf8 (31...Kh6+-) 32.Rd1 Ke8 (32...Qe6 33.Rd8 Kf7 34.Qc7 Qe7 35.Qc4 Kg7 36.Qg8 Kh6 37.Qh8 Qh7 38.Qf6 a6 39.Rh8 Qh8 40.Qh8) 33.Rd7 Qe6 (33...Kf8 34.Re7 Ke7 35.Qd7 Kf8 36.e7 Kg7 37.ed8Q Kh6 38.Qf8) 34.Rd8 (34.Rd8 Kf7 35.Qc7 Qe7 36.Qc4 Kg7 37.Qg8 Kh6 38.Qh8 Qh7 39.Qf6 a6 40.Rh8 Qh8 41.Qh8; 34.Qd8) 1-0. Abdrlauf,Elham (2365) - Harahap Yoga Pradafa (2220), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.Bb2 e6 6.Bd3 Nf6 7.Nbd2 Be7 8.0-0 a5 9.Qe2 0-0 10.a3 Bd7 11.d5 ba3 12.Bf6 Bf6 13.dc6 Ba1 14.cd7 (14.cb7!? Rb8 15.Ra1 Rb7 16.e5+/-) 14...Bf6 15.Nc4 a2 16.e5 de5 17.Nce5 (worse is 17.Nfe5 Qc7 18.Qe4 g6+=) 17...Qb6 18.c3 Qc5 19.Bc4 a4 20.Ba2 Ra5 21.Nf7! Kf7 (21...Rf7 22.Qe6; 21...Kf7 22.Qe6) 22.Qe6 (22.Be6?! Ke7=) 22...Kg6 23.Rd1 Kh6?? (better is 23...Qe7 24.Nd4 Qe6 25.Ne6 Rfa8+/-) 24.Rd5+- Qd5 25.Bd5 (25.Qd5? Rd5 26.Bd5 Rd8-+) 25...g6 26.Qf6! (26.Qf6 Rf6 27.d8Q Rd5 28.Qd5+-) 1–0. Deppe,Arne (2020) – Stephan,Gunther (2065), NRW Class2, 2006. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.Bb2 Nf6 6.Bd3 Bg4 7.Nbd2 e5 8.h3 Bf3 9.Nf3 ed4 10.Nd4 Nd4 11.Bd4 Be7 12.Bb5 Nd7 13.Qg4 a6 (13...Bf6!? 14.Bf6 gf6+=) 14.Qg7+/- Rf8 15.Bd7 Qd7 16.Qh7 Qb5 17.Qf5 Qc4 18.Qd5 Qd5 19.ed5 Rc8 20.Kd2 Rg8 21.Rae1 Rg2 22.Re4 Kd7 23.h4 Bf6 24.Be3 Be5 25.Kd3 (better is 25.h5!?+=) 25...Rc3+= 26.Kd2 a5 27.h5 f5 28.Reh4 f4 (28...Bg3!? 29.h6 f4+= (worse is 29...Bh4 30.Rh4 Rg8 31.Bd4+/-)) 29.Bb6= Bf6 30.R4h3 (30.Rf4? Bg5 31.Rhh4 Rh2-+ (worse is 31...Bh4 32.Rh4 Rc8 33.Bd4+/-; 31...Bf4?! 32.Rf4 Rg5 33.Rh4-/+)) 30...Rg5 31.h6? (better is 31.Rd3+=) 31...Rd5-+ 32.Kc1 Kc6 33.Ba7 b6 34.h7 Rh3 35.Rh3 Bh8 36.Rh6 Kb7 37.Bb8 Kb8 38.Rg6 Rc5 39.Rd6 Kc7 40.Rg6 (40.Rh6-+) 40...Rh5 0–1. Fernandez Muixi (2185) – Revuelta Rodriguez (2140), Catalunya–chT, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.Bb5 a6 6.Bd3 +=.

    5.Bb5 Bd7 6.0-0 a6 7.Bc4 (7.Bd3 Nf6=) 7...e6 (7...Nf6 8.Re1+=) 8.Bb2 (8.d5 Na5 9.Bd3 Be7=) 8...Nf6 (8...Qf6 9.Nbd2+=) 9.Nbd2 (9.d5 Na5 10.Bd3 ed5 11.ed5 Nd5 12.Re1 Ne7=) 9...Qc7 (9...Be7 10.e5 de5 11.de5+=) 10.d5 ed5 (10...Na5 11.Bd3+=) 11.ed5= Na5 (11...Ne7 12.Re1=) 12.Qe2 (12.Bf6 gf6 13.Bd3 Be7+=) 12...Kd8= 13.Ng5 Bf5 (better is 13...Be8!?=) 14.Rfe1+/- Qd7 15.Qe3 (15.Bd3 Kc7+/-) 15...Nc4 (better is 15...Kc7!? 16.Bf6 gf6+/-) 16.Bf6+- gf6 17.Nc4 Bh6 (17...fg5 18.Nb6 Bc2 19.Nd7 Kd7+-) 18.Qb6 (18.Qb6 Kc8 19.Nf7+-) 1–0. Enserink,Henk – Beverdam,Frank, Haarlem AKN op, 1998. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nc6)

    5.Bb5 Bd7 6.0-0 Nf6 7.Re1 a6 8.Bd3= g6 9.c3 (9.d5 Na7=) 9...bc3 10.Nc3 Bg7 11.Be3 (11.Rb1 Rc8=+) 11...0-0=+ 12.Qd2 (12.Qb3 Ng4=+) 12...Ng4-/+ 13.h3 Ne3 14.Qe3 Rc8 15.Rac1 e6 16.d5 (16.e5 de5 17.de5 Qa5-+) 16...Nb4 (16...Ne5 17.Ne5 Be5 18.Ne2-+) 17.Bb1 ed5 18.Nd5 Nd5 19.ed5 Re8 20.Rc8 (20.Qa7 Re1 21.Re1 Rc7-+) 20...Qc8 21.Qc1 (21.Rc1 Re3 22.Rc8 Bc8 23.fe3 h5-+) 21...Bb5 (21...Re1 22.Qe1 Qc4 23.Qd1-+) 22.Qc8 (22.Re8 Qe8 23.Kh2 Qd8-+) 22...Rc8 23.Re7? (better 23.g4-+) 23...Rc1 24.Re1 Rc7 (better 24...Re1!? 25.Ne1 Bc4 26.Nc2 Bd5 27.Nb4-+) 25.g4 Bf8 26.Re3 (26.Be4 Rc3 27.Re3 Bg7-+) 26...Rc5 (26...Rc1!? 27.Re1 Re1 28.Ne1-+) 27.Be4 Bc4 28.Ng5? (28.a4 Bh6 29.g5 Bg7-+) 28...Bd5 (28...Bh6 29.f4 Ba2 30.Bd3-+) 29.Bd5 Rd5 30.h4 (30.Nf3 Ra5 31.Re2 d5-+) 30...Re5 (30...Rd4 31.Re4 Re4 32.Ne4-+) 31.Rf3 (31.Rb3 Re7-+) 31...f5 (31...Ra5 32.Nf7 Ra2 33.Kg2-+) 32.gf5 Rf5 33.Rf5 gf5 34.Kg2 Kg7 (34...Be7 35.Nf3-+) 35.Kf3? (better 35.Ne6 Kf7 36.Nd8 Kg6 37.Nb7-+) 35...Kg6 36.Kf4 (36.Ne6 Be7 37.Nf4 Kf7 38.h5-+) 36...Bh6 37.f3 (37.h5 Kf6 38.Ke3 Kg5-+) 37...b5 (37...Bg5 38.Kg3-+) 38.Ke3 (38.h5 Kf6-+) 38...Bg5 39.hg5 (39.Kd4 Bh4 40.Kd3 h5-+) 39...Kg5 0–1. Arias Lopez,Maria Angel – Bernal Parra,LG, 2019. (=1.e4 c5 2.b4 cb4 3.d4 Nc6 4.Nf3 d6)

    5.Bb5 Bd7 6.0-0 Nf6 7.Re1 d5 8.ed5 Nd5+=.

    5.Bb5 Bd7 6.0-0 Nf6 7.Re1 h5!?=+.

    5.Bb5 Bd7 6.0-0 Nf6 7.e5 de5-/+ 8.de5 (8.Bc6 Bc6 9.Ne5 Rc8 10.Nc6 Rc6-/+) 8...Ng4 (8...Ne5 9.Bd7 Ned7 10.Be3-+) 9.Re1 (9.a3 Qa5 10.Bc6 Bc6+=) 9...Qc7 (9...Nce5 10.Ne5 Ne5 11.Qe2-/+) 10.Bf4 (better is 10.Qe2+=) 10...g6?? (better is 10...Qb6 11.Qe2 Nge5 12.Be5 Ne5 13.Ne5 Qb5-/+ (worse is 13...Bb5 14.Qf3=)) 11.e6+- Qd8 (11...Qc8 12.ed7 Qd7 13.Qd7 Kd7 14.Nbd2+-) 12.ed7 (12.Bc6!? bc6 13.Qd4 f6 14.ed7 Qd7 15.Qb4 e5+-) 12...Qd7 13.Bc6 (13.Qd7 Kd7 14.Nbd2 Bh6 15.Bh6 Nh6+-) 13...Qc6 (13...bc6 14.Nbd2+-) 14.Nd4 (14.Qd4 Rg8 15.Bg5 h5+-) 14...Qd7 15.h3?? (15.Ne6 fe6 16.Qg4 Bg7+-) 15...Nf6? (better is 15...Bg7 16.Be3 Ne3 17.fe3 0-0-0+=) 16.Be5+- Bg7 17.Nd2 0-0 18.N2b3 Rfd8 19.Qf3 Rac8 20.Rad1 Qd5 21.Qd5 (21.Qe2!? Qc4 22.Qc4 Rc4 23.Na5+-) 21...Nd5+/- 22.Bg7 Kg7 23.Rd2 Nc3? (better is 23...Kf6!?+/-) 24.Re7+- Rb8 25.Ne6 Kg8?? (better is 25...Kf6 26.Rd8 Rd8 27.Nd8 Ke7 28.Nb7 Na2+-) 26.Rd8 Rd8 27.Nd8 Kf8 28.Rf7 (better is 28.Rb7 a6+-) 28...Ke8 29.Rh7 Kd8 30.Rb7 Na2 31.Ra7 Nc3 32.f4 (better is 32.Nd4 Ke8+-) 32...Ne2 33.Kf2 Nf4 34.Kf3 Nd5 35.Nc5 Kc8 (35...Ne7 36.Ke4+-) 36.g4 (36.Rg7 Nc3+-) 36...Kb8 (36...Nc7 37.Ke4 Nb5 38.Rg7+-) 37.Rg7 Nc3 38.Rg6 Kc7 39.Rg7 Kc6 40.Ne4 (40.Nd3!? Nb5 41.Nb4 Kd6+-) 40...Nd5 (40...Nb5 41.Rg6 Kc7 42.Ke3+-) 41.Rg6 Kc7 (41...Kb5 42.h4 Nb6 43.Rg5 Ka4 44.h5+-) 42.h4 Ne7 43.Rg7 Kd8 44.h5 Ke8 45.g5 (better is 45.h6 Kf8 46.Re7 Ke7+-) 45...Nf5 46.Rg6 (46.Nf6!? Kf8 47.h6 Ng7+-) 46...Ke7 (46...Nh4 47.Kg4 Ng6 48.hg6 Kf8+-) 47.Kf4 Nd4 48.h6 Nc2 49.h7 b3 (49...Kd7 50.Nc5 Ke7 51.Re6 Kd8 52.h8Q Kc7 53.Qe5 Kd8 54.Re8) 50.h8Q b2 (50...Ne1 51.Rg7 Ke6 52.Qg8) 51.Qh7 Kf8 52.Rg8 1–0. Tian,Vincent – Grossman,Alex, California State–ch, 2006. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nc6)

    5.Bb5 Bd7 6.c4 bc3 7.Nc3 Rc8 =.

    5.c4 Nf6 6.Bd3 e6 7.0-0 Be7 8.Be3 Ng4 9.Bd2 Bf6 10.Be3 Qb6 11.Be2 Ne3 12.fe3 e5 13.c5 dc5 14.d5 Na5 15.Qe1 c4 16.Qf2 c3 17.Nc3? (17.Rc1-+) 17...bc3 18.Rab1 Qc7 19.Bb5 Bd7 20.d6 Qc5 21.Bd7 Kd7 22.a4 a6 (22...Qd6?! 23.Rfd1 Rhc8 24.Rd6 Kd6 25.Rc1+=; 22...Kd6 23.Rb5 Qc7 24.Ne5 Be5 25.Re5-+) 23.Rbd1 Qc4 24.Rd5 Nc6 (24...Qa4 25.Ne5 Ke8 26.Ng4=) 25.Ng5 Ke8 (25...Bg5 26.Qf7 Ne7 27.de7 Kc8 28.e8Q Re8 29.Qe8 Kc7 30.Qe5 Kb6 31.Rb1 Qb5 32.Rdb5 ab5 33.Rb5 Kc6 34.Qd5 Kc7 35.Rb7 Kc8 36.Qd7; 25...Qa4 26.Qf5 Ke8 27.Nh7-/+) 26.Qf5 c2 (26...Qa4 27.Nh7 c2 28.Nf6 gf6 29.Qf6=) 27.Ne6 (27.Rc1 Qb3 28.d7 Ke7 29.Kh1 Qe3 30.Qf1 Bg5 31.Rc2 Qe4 32.Rdc5-+) 27...fe6 28.Qe6 Kd8 29.Qf7 Qf1! 30.Kf1 c1Q 31.Ke2 Nb4 (better is 31...Rc8 32.Rd2 Nd4 33.ed4-+) 32.Re5 Qc2 (32...Qc2 33.Kf3 Qd1 34.Kg3 Qd6-+) 0–1. Fabre,Jean Charles (1830) – Charmeteau,Sven (2060), FRA–chT U20, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.Bc4 e6 6.c3 d5 7.ed5 ed5 8.Qe2 Be7 9.Bb5 Nf6 10.0-0 0-0 11.Re1 Bd6 12.Ne5 Qc7 13.a3 bc3 14.Bc6 bc6 15.Nc3 Nd7 16.Qh5 (16.Bf4 Re8-/+) 16...Ne5 (16...g6!? 17.Qh4 Ne5 18.de5 Be5 19.Bb2-+) 17.de5-/+ Be7 18.Bg5 Bg5 19.Qg5 Be6 20.Re3 (20.Red1 f6 21.ef6 Rf6-/+) 20...h6 21.Qh4 Rab8 22.Rae1 Kh7 (22...c5 23.Rg3 Kh7 24.Rd3-+) 23.Ne2 Qd8 (23...c5 24.Rc1-/+) 24.Qd4 Qa5 25.Qd3 (25.Rc1 Rfc8+=) 25...Kh8 26.Nd4 Qb6 27.Rg3 c5 28.Nf5 (28.Ne6!? Qe6 29.Qd2-/+) 28...c4-+ 29.Qf3?? (29.Qc2 Bf5 30.Qf5 Qe6-+) 29...Bf5 (better is 29...Qb1! 30.Rf1 Bf5-+) 30.Qf5 Qe6 31.Qh5 d4 32.f4 d3 33.Qf3 (33.Kf1 c3 34.f5 Qc4-+) 33...Rfd8 34.Qe4 Qd5 35.Qf5 Qc5 36.Kh1 (36.Kf1 Rb2 37.Rge3-+) 36...d2 (better is 36...Qf2 37.Rd1 Rb1 38.Rb1-+) 37.Rd1 Qf2 38.Qe4 Rd4 39.Rf3 Re4 40.Rf2 Re1 41.Rf1 0–1. Kotsuba,Aleksander (2255) – Samoilov,Vladislav, UKR–ch Sevastopol, 2000. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.Bc4 Nf6 6.Qe2 Bg4 7.Bb2 e5 (7...d5 8.ed5 Nd5 9.0-0+=) 8.Nbd2 Nd4 9.Bd4 ed4 10.h3 Bf3 11.Nf3 Opposite coloured bishops appeared 11...Be7 12.e5 White threatens to win material: e5xf6 (12.Rd1=) 12...0-0 (better is 12...de5 13.Bb5 Kf8 14.Ne5 Bd6-/+) 13.ef6+= Bf6 White wins a piece. 14.0-0 d3 Black threatens to win material: d3xe2 15.Qd3 Ba1 16.Ra1 Black has a cramped position 16...Rc8 17.Rd1 Qf6 (17...Rc5 18.Bd5+=) 18.Bb3+/- Rfd8 19.Qb5 b6 20.Qb4 h6 21.Qg4 Rc5 22.Rd4 d5 23.Qh5 b5 24.Qe5 Qe6 25.Rg4 Qe5 26.Ne5 a5 27.a4 b4 This push gains space 28.Rd4 Kf8 29.Nd3 White threatens to win material: Nd3xc5 29...Rc3 A beautiful square! 30.Nf4 g5 31.Rd5 Rd5 32.Nd5 Rc5 33.g4 Ke8 34.Kg2 Rc6 35.Ne3 h5 (better is 35...Ke7!?+/-) 36.gh5+- Kf8 37.Kg3 Rc5? (better is 37...Kg7+-) 38.Kg4 Kg7 39.Nf5 Kf6 (39...Kh7 40.Kg5 Rc6 41.Ne7 f6 42.Kf5+-) 40.Nd6 Re5 41.f3 (41.Bf7!? makes it even easier for White 41...Kg7+-) 41...Re2 42.Ne4 Ke5 (42...Kg7 43.Kg5 Rg2 44.Kf4+-) 43.Bf7 (better is 43.h6 ends the debate 43...f5 44.Kg5 fe4 45.h7 Rg2 46.Kh5+-) 43...Rg2 44.Ng3 Rc2 (44...Kf6 45.Bb3 Kg7+-) 45.Kg5 Rc7 46.f4 Kd4 47.Bg6 b3 48.h6 b2 49.h7 Rc8 50.Nf5 Kc3 (50...Kc5 51.Ne3 Kb4+-) 51.Ne7 (51.Ne7 Rh8 52.Nc6+-) 1–0. Scacco,Mauro (2160) – Bellipanni,Piero (2165), UISP–ch, 2000. (=1.e4 c5 2.b4 cb4 3.Nf3 Nc6 4.d4 d6)

    5.Bc4 Bg4 6.Bf7 Kf7 7.Ng5 Ke8 8.Qg4 Nf6 (better is 8...Nd4!? 9.Qd1 e5+=) 9.Qe6+/- Nd4 10.Qf7 (better is 10.Qc4!? h6 11.Qd4 hg5 12.Qb4+=) 10...Kd7+= 11.0-0 h6 12.Bb2?? (better is 12.Qc4 Qb6 13.Nf7+=) 12...Ne2-+ (12...hg5?! 13.Bd4 Rh4 14.a3=) 13.Kh1 hg5 14.e5 (14.Qc4 Nf4 15.Qb4 Qc7-+) 14...Qe8 15.e6 Kc7 16.Qe8 Re8 17.a3 Nf4 18.ab4 Ne6 19.Ra7 Nd5 20.Re1 Kb8 21.Ra5 Nec7 22.b5 b6 23.Ra1 e5 24.c4 Nf4 25.Re3 Kb7 26.g3 Nfe6 27.Nc3 Be7 28.Na2 Ra8 29.Nb4 Ra1 30.Ba1 Ra8 31.Bb2 Bf6 32.Rd3 (32.h3 Ra4 33.Bc3 e4-+) 32...Nd4 (better is 32...Ra4 33.Ba3-+) 33.Bd4 ed4 34.Nc6 Ne6 35.Rd1 Kc7 36.h4 gh4 37.Nb4 hg3 38.fg3 Be5 (38...Ra4 39.Nd5 Kb7 40.Rc1-+) 39.Kg2 (39.Rf1 Kd8 40.Nd5 Ra2-+) 39...Ra4 40.Nd5 Kb7 41.Rf1 Rc4 42.Rf7 Nc7 43.Kf3 Rc5 44.Ke4 0–1. Descarrega Palau,M (2155) – Esteve Lopez,JM (2035), Tarragona–ch, 2003. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.Bd3 g6 6.Bb2 Bg7 7.Nbd2 Nf6 8.0-0 0-0 9.Re1 Nd7 10.a3 ba3 11.Ra3 e5 12.c3 Nb6 13.Nc4 (13.Qb3!?=) 13...Bg4+= 14.Nb6 Qb6 (worse is 14...ab6 15.Ra8 Qa8 16.d5+=) 15.Rb3 Qc7 16.d5 Ne7 17.Ba3 a6 18.c4 Rfb8 19.h3 Bd7 20.Qd2 Nc8 21.Rc1 Qd8 22.Rd1? (22.Qb2 b6+=) 22...b6 (22...Ba4 23.Rb4 Bd1 24.Qd1-+) 23.Qe3? (23.Ra1 f5+=) 23...Qf8 (23...Ba4 24.Rbb1 Bd1 25.Rd1-+) 24.Nd2? (better is 24.Ra1+=) 24...Bh6 25.Qe2 Bd2?? (25...Ba4 26.Rdb1 Bb3 27.Nb3-+) 26.Qd2? (26.Rd2 f5+=) 26...b5?? (better is 26...Ba4 27.Rbb1 Bd1 28.Qd1 Qe7-+) 27.cb5 ab5 28.f4 Qh6 29.Rf1 Rb7 30.Qc3 Rba7 (30...f6 31.Bc1 Qh4 32.fe5 fe5 33.Be3=) 31.Bc1 (31.fe5 de5 32.Bb2 Qe3 33.Kh2 Qg5+/-) 31...Qg7+= 32.Bb2 Nb6 33.Bb5 Bb5 34.Rb5 Na4 (34...Nd7 35.Qg3+=) 35.Qb3 (35.Qb4 Qf8 36.fe5 Nb2 37.Qb2+/-) 35...Nb2? (better is 35...Qf8+/-) 36.Rb8+- (36.Qb2?! Ra2 37.Rb8 Rb8 38.Qb8 Qf8+=) 36...Rb8 37.Qb8 Qf8 38.Qa7 (38.Qb2?! ef4 39.Rf4 Qe7+=) 38...ef4 (38...Nd3 39.Rb1 Qh6 40.Qa6 Nf4 41.Rb8 Kg7 42.Qd6 Nh3 43.gh3 Qe3 44.Kf1 Qc1 45.Ke2 Qc2 46.Ke3 Qc3 47.Kf2 Qd2 48.Kf3 Qd3 49.Kg2 Qe2 50.Kg3 Qe3 51.Kh2 Qe2 52.Kh1 Qf3 53.Kh2 Qe2 54.Kg3 Qe3 55.Kg2 Qe2 56.Kg3=) 39.Rb1 (39.Rf4?! Nd3 40.Rf1 h6+-) 39...Qc8 (39...Qe8 40.Rb2 Qe4 41.Qa1 Qd4 42.Kh2+-) 40.Qd4 1–0. Mendoza Contreras,LE (2325) – Brito Garcia,A (2345), Lanzarote Democracia, 1988. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.d5 Na5 6.Qd4+= Nf6 (6...Qb6 7.Qb2 Qc5 8.Be3+=) 7.Qb4+- b6 (7...Bd7 8.Nc3+-) 8.Nc3 g6 9.Bd3 (9.e5 de5 10.Bb5 Bd7 11.Ne5 Bg7 12.Nd7 Nd7+=) 9...Bg7+= 10.0-0 0-0 11.Rb1 (11.Re1 Nb7+=) 11...Nb7+= 12.Nd4 Bd7 (12...Nc5 13.Be3+=) 13.f3 Nc5 14.Be3 Nd3 15.cd3 Qc7 (15...Qc8 16.Rfc1 Qb7 17.Rb2+=) 16.Ncb5 Qb7 17.Nc6 Bc6 18.dc6 Qc8? (better 18...Qc6!? 19.Rbc1 Qd7+=) 19.Rfc1+- Ne8 (19...a6 20.Nd4 Rb8 21.Ne2+-) 20.a4 Nc7 21.a5 Nb5 (21...Na6 22.Qc4 Qb8 23.c7+-) 22.Qb5 ba5 (22...f5 23.c7 fe4 24.de4+-) 23.Qa5 (23.c7 d5+-) 23...a6 (23...Rb8 24.c7 Rb7 25.d4+- (25.Ba7?! Bb2+-)) 24.c7 Re8 (24...Qe6 25.d4+-) 25.d4 e6 (25...Qe6 26.Rc6+-) 26.Qa4 Re7 (26...a5+-) 27.Qc6 a5 (27...Re8 28.Rb7 d5+-) 28.Qa8!! (28.Qa8 Re8 29.Rb8 Bd4 30.Bd4 f5 31.Rc8 e5 32.Re8 Kg7 33.Qd8 ed4 34.Qg5 fe4 35.c8Q ef3 36.Qd7) 1–0. michaelbuss (2865) – kuiisaf (1875), ChessWorld.net, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nc6)

    5.e5 de5 6.d5 e4 7.Ng5 Ne5 8.Bb2 Ng6 9.h4 h5 10.Bb5 Bd7 11.Ne6?? (better is 11.Bd7 Qd7 12.c4-/+) 11...fe6-+ 12.Qe2 (12.Bd7 Qd7 13.de6 Qe6 14.Qd4-+) 12...ed5 13.Nd2 Nf6 14.c4 (14.0-0 e5 15.Bd7 Qd7-+) 14...Bb5 15.cb5 (15.Bf6 Nf4 16.Qd1 Nd3 17.Ke2 dc4-+) 15...e5 (better is 15...Nf4 16.Qd1 Nd3 17.Kf1 Nb2 18.Qe2-+) 16.0-0-0 (16.g3 Bd6-+) 16...Qd7 17.Kb1 0-0-0 (17...Nf4 18.Qf1 Qf5 19.Ka1-+) 18.Qe3 d4 19.Qg5 Qg4 20.Rc1 Kb8 21.f3 (21.Rce1 Qg5 22.hg5 Nd5 23.Ne4 Kc7-+) 21...Qg5 22.hg5 e3 23.Nb3 (23.gf6 ed2 24.Rcd1 gf6 25.Rd2 Kc7-+) 23...Nd5 24.Nd4 ed4 25.Bd4 Be7 26.g3 Bg5 27.Bg7 Rhg8 28.Rh5 Rg7 29.Rg5 Nc3 30.Kc2 e2 (better is 30...Rd2 31.Kb3 e2 32.Re1-+) 31.Re1 Rd6 32.f4 Re7 33.a3 (33.b6 Rb6 34.Rg4 Rd6-+) 33...Rd1 34.Re2 Re2 35.Kb3 Ne7 36.ab4 Ncd5 37.f5 Rf1 38.g4 Rf4 39.Rg7 Rb4 40.Ka3 Re3 41.Ka2 Nc3 42.Ka1 Re1 0–1. Mooi Osric Kok Onn (2140) – Frey,Hugo (2345), Internet Section, 2004. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.d5 Nb8

    6.Bb2 Nf6 7.Nbd2 Nbd7 8.Bd3 g6 9.h4 (9.Rb1 a5=) 9...Bg7=+ 10.Rb1 a5 11.g4 h6 12.h5 g5 13.Nc4 (13.Nd4 Ne5 14.Nf5 0-0-/+) 13...Nc5 14.Qe2 (14.Ne3 0-0-/+) 14...Bg4-+ 15.Ne3 Bd7 (15...Bh5?! 16.Bb5 Ncd7 17.Nf5 Bf3 18.Qf3-/+) 16.Nd4 (16.e5 Nd3 17.Qd3 de5 18.Ne5 b5-+) 16...Nfe4 (worse 16...Nce4 17.Ndf5 Nf2 18.Qf2+/-) 17.Nef5 (17.Be4 Ne4 18.Qf3 Nc3 19.Bc3 bc3-+) 17...Bf5 (17...Nd3?! 18.cd3 Bf5 19.de4-+) 18.Nf5 Bc3 19.Kd1 Nd3 (19...Bb2!? 20.Be4 Be5 21.Bd3-+) 20.cd3 Bb2 21.Qe4 Bf6 22.Re1 Qd7 23.Rc1 a4 24.Ke2 (24.d4 b3 25.ab3 ab3-+) 24...b3 25.ab3 ab3 26.Kf1 b2 27.Rc6?? (27.Rb1-+) 27...bc6 28.dc6 Qc7 (better 28...Qe6 29.c7 Qe4 30.de4-+ (30.Re4?? b1Q 31.Kg2 Qd3-+)) 29.Nd6 (29.Ne3 Qa5 30.Nc4-+) 29...Qd6 30.c7 Rc8 31.Qb7 Qc7 (31...Qc7 32.Qb5 Qd7-+) 0-1. Szabo,Marcell (1895) - Priasmoro,Novendra (2500), Titled Tuesday 7th July, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6 5.d5 Nb8)

    6.Bb2 Nf6 7.e5 de5 8.Bc4 Bg4 (8...e4 9.Ne5-/+) 9.h3 (9.Be5 Nbd7 10.Bd4 Rc8-/+) 9...Bf3 10.Qf3 g6 (10...Nbd7!?-/+) 11.Be5=+ Bg7 12.0-0 (12.a3 Nbd7 13.Bd4 Nb6=+) 12...0-0 13.Rd1 Nbd7 14.Bb2 Nb6 Increases the pressure on d5 15.Bb3 Nc8 (15...a5 16.a4=+) 16.a3 ba3 17.Na3 Nd6 18.c4 Nfe4?? (better 18...Qc7=+) 19.Bg7+- Kg7 20.c5! Nc5 A deflection. 21.Qc3 Theme: Double Attack 21...Kg8 22.Qc5 a6 23.Nc4 Rc8 24.Qb4 Rc7 (24...Nc4 25.Bc4 Qd6 26.Qb3+-) 25.Rac1 Qd7 26.Nb6 Qb5 (26...Qd8 27.Re1+-) 27.Qb5 Nb5 28.Rc7 Nc7 29.d6 ed6 30.Rd6 (30.Rd6 Ne6 31.Be6 fe6 32.Kf1+-) 1–0. Hinrichs,Lars (2215) – Nguyen Dang,Huy Duc (1780), TCh–GER Junior U20, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    6.c4 bc3 7.Nc3 g6 8.Be3 Bg7 9.Qd2 Nf6 10.Bd3 Nbd7 11.0-0 0-0 12.Bh6 Bh6 13.Qh6 Nc5 14.Qd2 Bg4 15.Nd4 Nd3 16.Qd3 Qa5 17.h3 Rac8 18.Rac1 Bd7 19.f4 Rc7 20.Rc2 Rfc8 21.Rfc1 Qa3 22.Nb3 Qb4 23.g4 h5 24.g5 Ne8 25.Nd4 Rc4 26.Nce2 Rc2 27.Rc2 Rc2 28.Qc2 Bh3 29.Kf2 Bg4 30.Qb3 Qb3 31.ab3 Be2 32.Ke2 Nc7 33.Kd3 a5 34.Kc4 b5! 35.Kd3 (35.Nb5 Nb5 Combination) 35...a4 36.ba4 ba4 37.Nc2 Nb5 38.Ne3 a3 0–1. Saldano – Toro Solis de Ovando, Sicilian Gambit Thematic, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    6.Qd4 Nd7 7.Qb4 a6 8.Bb2 Ngf6 9.Nbd2 e5 10.de6 fe6 11.Qa4 e5 12.Ng5 Ng4 13.f4?? (13.Nh3 b5 14.Bb5 Rb8=) 13...b5?? (better is 13...Qb6 14.0-0-0 Nf2-/+ (worse is 14...ef4 15.Bg7 Bg7 16.Nc4 Bb2 17.Kb1+/-)) 14.Bb5 Qb6 (14...ef4!? 15.Ndf3 Qb6=) 15.Qb3+= Qe3 16.Be2 Qf4?? (16...Qf2 17.Kd1 Ne3 18.Kc1 d5+= (18...Qf4? 19.Bh5 g6 20.Bg6 hg6 21.Qe6 Kd8 22.Nf7 Kc7 23.Nh8+-)) 17.Qe6 (17.Qe6 Be7 18.Nh3+/- (18.Bg4?! Qe3 19.Kd1 Qg5=)) 1–0. Carlstedt,J (2420) – Wacker,P (2290), Bad Wiessee GER, 2013. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4+= 4.d4 d6)

    6.Qd4 e5 7.de6 (7.Qb4 Nd7+=) 7...Be6 8.Qb4 Qd7 (8...Qc7 9.Bb5 Nd7 10.Nd4=) 9.Nc3 (9.Bb5 Nc6 10.Qa4 Rc8=) 9...Nc6 (9...d5 10.Qb5 de4 11.Ne5 Qb5 12.Bb5 Nd7 13.Ne4=) 10.Qb2 Nf6 (10...Be7 11.Bd3=) 11.Rb1 Be7 (better 11...b6!?=) 12.Qb7+- 0-0 13.Qd7 Bd7 14.Ba6 (14.Bd3 Rfb8+-) 14...d5 (14...Rab8 15.Rb8 Rb8 16.Bd3+-) 15.e5 (better 15.Nd5!? Nd5 16.ed5+-) 15...Bb4+- 16.Bd2 (worse 16.ef6 Bc3 17.Kd1 Bf6=) 16...Bc3 (16...Rab8 17.ef6 Bc3 18.Rb8 Rb8 19.Bc3 Rb1 20.Kd2 Rh1 21.fg7+=) 17.Bc3 (17.ef6?! Bf6 18.0-0 Rfe8=) 17...Ne4 18.Ba1 (18.Bd4 Nd4 19.Nd4 Rab8+=) 18...Rab8 (18...Rfb8 19.Rb8 Rb8 20.0-0+=) 19.0-0+- Nb4 20.Bd3 Nc5 21.Bd4 (21.Be2 Na2 22.Bd4 Ne6 23.Ba7 Rb1 24.Rb1 Nc3=) 21...Nbd3 22.cd3 Nd3 23.Ba7 Ra8 24.Rb7 Bg4 25.Nd4 Ne5 26.a4 (26.h3 Bc8 27.Rc7 Ba6+=) 26...Bc8 (26...f6 27.Rc1+=) 27.Re7 (27.Rc7 Ba6 28.Rfc1 Nd3+=) 27...Ba6 (27...f6 28.a5=) 28.Rb1 (28.Rc1 Rfe8 29.Rcc7 Re7 30.Re7 Ng6+=) 28...Rfe8 29.Re8 Re8 30.h3 (30.Re1 Rc8+=) 30...Nc4= 31.Nb5 (31.a5 f6=) 31...Bb5 (31...Re7 32.Bc5 Rb7 33.f4=) 32.ab5 (32.Rb5 Rd8+=) 32...Re7 33.Bc5 (33.Bd4 Nd2 34.Rd1 Nc4+-) 33...Rb7= 34.f4 f6 (34...f5 35.b6+=) 35.b6 Kf7 (35...h6 36.f5+=) 36.Ra1 Rb8 37.Ra7 Kg6 38.g4 Nb6? (better 38...h5+=) 39.f5+- Kh6? (39...Kg5 40.Rg7 Kh6+-) 40.Be3+- g5 41.Bd4 Nd7 (41...Rg8 42.Bf6 (worse 42.Bb6 Rg7+-) 42...Nc4 43.Ra6+-) 42.Rd7 Rb1 (42...Rf8 43.h4 Re8 44.Bf6 gh4 45.Kh2+-) 43.Kg2 Rg1 (43...Rb7 44.Rd6 Kg7 45.Bf6 Kf8 46.Rd8 Kf7 47.Bg5 Rb5+-) 44.Bg1 (44.Bg1 d4 45.Bh2 d3 46.Bd6 d2 47.Bf8; 44.Kg1?!) 1–0. Vishnu,Prasanna V (2535) – Sundararajan,Kidambi (2415), London Classic Open, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    6.Qd4 Nf6 7.Qb4 g6 8.Bb2 Bg7 9.Bc4 0-0 10.Nbd2 Nbd7 11.0-0 b5 12.Bd3 (worse is 12.Qb5 Rb8 13.Bf6 Bf6+=) 12...a5 13.Qd4? (better is 13.Qc3 Rb8 14.Rfb1=) 13...Nh5 14.e5? (better is 14.Qe3 Bb2 15.Rab1-+) 14...de5?? (better is 14...Ne5 15.Ne5 Be5-+ (15...de5?! 16.Qe3-/+)) 15.Qe3+= Ba6 16.Ne5 Ne5 17.Be5 Nf6 (worse is 17...Qd5 18.Bg7 Ng7 19.Be4+=) 18.Qd4 Rc8?? (better is 18...Qd5!? 19.Ne4 Qd4 20.Bd4 Ne4 21.Bg7 Kg7 22.Be4 Rad8-/+) 19.Ne4 Nh5 20.Bg7 Ng7 21.a4 Nf5 22.Qe5 Bb7 23.ab5 (worse is 23.Bb5 Qd5 24.Qd5 Bd5+=) 23...Bd5 24.Ng3 f6 25.Qf4 e5 26.Qg4 Ng3 27.hg3 f5 28.Qa4 Bb7 29.Rfd1 Qd5 30.Bf1 Qc5 31.Qa2 Kh8 32.Qe6 Rce8 (32...Qc2?? 33.Qe5 Kg8 34.Rd7+-) 33.Qd7 Be4 34.c4 Ra8 35.Qd6 Qd6 36.Rd6 Rfc8 37.Re6 Kg7 38.Re5 Kf6 39.f4 a4 40.b6 Rcb8 41.c5 a3 42.Bc4 Rd8 (better is 42...Rb7+-) 43.Re6 Kg7 44.c6 Ra4 45.c7 Rf8 46.Re4! fe4 47.b7 Raa8 48.Bd5 (better is 48.ba8R Ra8 49.Ra3 Rc8+-) 48...Rac8 49.b8Q (better is 49.bc8R!? Rc8 50.Rc1 e3+-) 49...Rb8 50.cb8Q Rb8 51.Ra3 Rb1 52.Kf2 Rb2 53.Kg1 Rb1 54.Kh2 Re1 55.g4 e3 56.g5 (better is 56.Kg3+-) 56...e2 57.Kg3?? (better is 57.Re3 Rd1 58.Re2 Rd5 59.Re7 Kg8 60.g4+-) 57...Rd1?? (57...Rc1 58.Re3 Rc3-/+) 58.Ra7?? (better is 58.Re3 e1Q 59.Re1 Re1 60.Kf2=) 58...Kh8 1–0. Troncoso,Pedro – Henriquez,Julio, ARAIS tt Santiago de Chile, 1994. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    5.d5 Ne5 6.Ne5 de5

    7.Bb2 Qc7 8.Bb5 Bd7 9.Bd7 Kd7 10.0-0 Nf6 11.Qd3 a6 12.c4 Ke8 13.Nd2 Nd7 14.Nb3 b6 15.a3 Nc5 16.Nc5 bc5 17.ab4 cb4 18.Rfc1 e6 19.c5 ed5 20.ed5 Bc5 21.Be5 (21.Ra6 Ra6 22.Qa6 Kd7 23.Qb5 Kd6 24.Be5 Ke5 25.Rc5 Qb8 26.d6 Kd6 27.Rd5 Ke7 28.Rd7 Kf6 29.Qc6 Kg5 30.Rd5 f5 31.h4 Kh5 32.Rf5 g5 33.Rg5 Kh4 34.Qh6) 21...Qb6 22.Qe4 (22.Bg7 Rg8 23.Qh7 Rg7 24.Qg7 Ra7+-) 22...Kd8? (22...Kf8 23.Qf4 Kg8 24.Bc7+/-) 23.Qf5?? (23.d6 Ra7 24.Qf5 Re8 25.Rc5 Re6+-) 23...Ke8?? (better is 23...f6 24.Bg3 Rc8=) 24.Bg7 Rg8 (24...Bf2 25.Kh1 Rg8+-) 25.Re1 Be7 (25...Be3 26.Qh7 Kd7 27.Qf5 Kd8 28.Bf6 Kc7 29.Rac1 Qc5 30.fe3+-) 26.Qe5 (better is 26.Re7 Ke7 27.Re1 Kd8 28.Qf7+-) 26...Ra7 27.d6 Qb7 (27...Rd7 28.de7 Rd2+-) 28.Qf6 Qd7 (28...b3+-) 29.Re7 Qe7 30.de7 (worse is 30.Qe7 Re7 31.de7 Rg7 32.Ra6 Rg6 (worse is 32...Ke7 33.f4+=) 33.Ra8 Ke7 34.Ra7 Kf8+=) 30...Rd7 31.Rc1 Re7 32.Rc8 Kd7 33.Qc6# 1–0. Reig Pinol,Armand – Pinto Guell,Emilio, Tarragona op, 1993. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    7.Bb2 Nf6 8.Nd2 e6 9.de6 (9.Be5 ed5 10.Bb5 Bd7 11.Bf6 Qf6 12.Bd7 Kd7=) 9...Be6 10.Be5 Bc5 11.Bb5 Nd7 (11...Bd7!? 12.Bd7 Nd7=) 12.Nb3+= Bb6 13.Bd6 (13.Nd4!? Bd4 14.Qd4+/-) 13...Qg5=+ 14.Qd3? (14.Bd7 Bd7 15.0-0 Bb5=+) 14...0-0-0 (14...Qg2 15.Rf1-/+) 15.f4 (15.Bd7 Rd7 16.0-0=+) 15...Qf6 (15...Qg2 16.0-0-0-/+) 16.0-0-0? (better 16.Rc1!? Qc3 17.Qc3 bc3 18.f5=) 16...Nc5!-/+ 17.Nc5 (17.Nc5 Qa1 Double attack; 17.Bc5 Rd3 Pinning (17...Rd3 Deflection; 17...Rd3 Clearance)) 17...Bc5 18.e5 Qf4 19.Kb1 Bd6 20.ed6 Kb8 21.Rhf1 (21.g3 Qe5=+) 21...Qg5 (21...Qh2 22.g3-/+) 22.d7 (22.g3 Qc5-/+) 22...Qc5 (22...Qe5 23.Qd6 Qd6 24.Rd6-+) 23.Ba4 Ka8 (23...Qc7 24.Qe4-/+) 24.Rf4 a6 (24...g5 25.Rd4=) 25.Rd4 (25.Qd6 Qa5 26.Qb4 Qb4 27.Rb4 b5=) 25...Bf5 (25...h5 26.Qe4 Bf5 27.Qf4=+) 26.Qf3 Be6 (26...g6 27.Qf4=) 27.Rd6 Ka7 28.Qd3 (28.Bb3 Rhf8=) 28...h5 29.Bb3 Rh6 30.Be6 Re6 31.Re6 fe6 32.Qg6 Qf5 (better 32...Qe7=+) 33.Qg7+/- Qg4 34.Qd4 (better 34.Qg4!? hg4 35.h4 gh3 36.gh3+/-) 34...Qd4= 35.Rd4 a5 (35...Kb8 36.Rh4=) 36.Rd6 Kb8 (36...h4 37.g3 hg3 38.hg3=) 37.Kb2 (37.Re6 Rd7 38.Re5 Rd1 39.Kb2 a4+=) 37...Kc7 (better 37...h4!?=) 38.Re6+/- Rd7 39.Rh6 (better 39.Re5!?+/-) 39...Rd5= 40.h3 Rg5 41.Rh7 (41.h4 Rd5=) 41...Kc6 42.Rh6 Kb5 43.a3 (43.h4 Rd5=) 43...ba3=+ 44.Ka3 Kc4 45.Kb2 (45.Rb6 Rg2 46.Rb7 Rc2 47.Rc7 Kd3-/+) 45...b5-/+ (45...Rg2?! 46.Rh5 a4 47.Rh4 Kb5 48.Rg4=) 46.Rc6 Kb4 (46...Kd5 47.Rh6-/+) 47.Rh6 (47.Rf6 a4=+) 47...a4-/+ 48.Rh8 a3 49.Ka2? (better 49.Kb1-/+) 49...Rg2-+ 50.Rh5?? (50.Kb1 Rg5 51.Ka2-+) 50...Rc2 51.Kb1 Rh2 52.h4 Ka4 (52...a2 53.Ka1 Ka3 54.Rb5 Rh1 55.Rb1 ab1Q) 53.Rh8 (53.Rc5 a2 54.Ka1 b4 55.Rc6 Ka3 56.Ra6 Kb3 57.Ra3 Ka3 58.h5 Rh1) 53...b4 (53...a2 54.Ka1 Kb3 55.Re8 Rh1 56.Re1 Re1) 54.h5 (54.Ra8 Kb3 55.Kc1 Ka2-+) 54...Kb3 (54...a2 55.Ka1 Kb3 56.Re8 Rh1 57.Re1 Re1) 55.Ra8 (55.Kc1 a2 56.Ra8 Kc3 57.Rc8 Kd4 58.Ra8 b3 59.Rd8 Ke5 60.Re8 Kf6 61.Re2 a1Q 62.Kd2 Qd4 63.Kc1 Rh1 64.Re1 Re1) 55…Rh1 0-1. Szabo,Marcell (1895) - Vokhidov,Shamsiddin (2525), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6 5.d5 Ne5 6.Ne5 de5 7.Bb2)

    7.Bb2 Nf6 8.Bd3 Qc7 (8...e6 9.Be5 ed5 10.Nd2+=) 9.0-0 e6 10.c4 bc3 (10...Be7!?=) 11.Nc3+= ed5? (11...Bd7!?+=) 12.ed5 (12.Nb5 Qa5 13.Be5 Bg4+-) 12...Be7 (12...Bd7!? 13.Nb5 Bb5 14.Bb5 Kd8+/-) 13.Nb5+- Qd7 (13...Qd8 14.Rc1 Kf8 15.Be5 Nd5 16.Qf3+-) 14.Be5 Nd5 15.Bc4 Nb6 16.Nc7 Kf8 17.Na8 (better is 17.Bd3+-) 17...Nc4+/- 18.Qd7 Bd7 19.Bd4 Bd6 (19...f6 20.Ba7 Kf7 21.Nb6 Nb6 22.Bb6+/-) 20.Ba7 Ke7 21.Nb6 Bc5 (21...Be6 22.Rfe1 Nb6 23.Bb6+/-) 22.Nc4 (22.Rfe1 Be6 23.Rab1 Bb6 24.Bb6 Kd6+-) 22...Ba7 23.Rab1 b5? (better is 23...Rb8+-) 24.Ne5 Rb8 (24...Be8 25.Rfe1 Kd8 26.Rbc1+-) 25.Rfe1 Rb7 26.Nd7 (26.a4!? Be6+-) 26...Kd7 27.Rbd1 Kc6 28.Re8 b4 (28...Rc7 29.g4+-) 29.Rc8 Kb5 30.g3 g6 (30...Re7 31.Rd5 Kb6 32.Kf1+-) 31.Kg2 (31.Rcd8 Bc5+-) 31...f5 (31...Ka4 32.Rcd8 Ka3 33.R1d2+-) 32.Rcd8 Bc5 33.R8d7 Rd7 (33...Rb6 34.Rh7 Rc6 35.h4+-) 34.Rd7 Ka4 (34...h6 35.Rg7 g5 36.Rh7+-) 35.Rh7 Ka3 36.Rc7 Bd4 37.Rb7 Bc5 38.Rb5 Be7 39.Ra5 Kb2 40.Kf3 Bg5 (40...g5 41.Ra4 Kc3 42.Ra7+-) 41.Ke2 (better is 41.Ra6 Be7+-) 41...Kc3 (41...Bd8 42.Ra4 Be7 43.f4+-) 42.h4 Bf6 (42...Be7 43.Ra7 Bd8 44.Rd7+-) 43.h5! gh5 44.Rf5 Bd8 45.Rh5 Kb2 46.Rb5 Be7 (46...Kc3 47.g4+-) 47.Ra5 Kc3 (47...Bd8 48.Ra8 Bc7 49.f4+-) 48.Ke3 Kc4 (48...Bd8 49.Ra6+-) 49.f4 Bd8 50.Ra8 Be7 51.g4 Kd5 52.Rc8 Ke6 (52...Bh4+-) 53.Re8 Kf7 54.Re7! (54.Re7 Ke7 55.g5+-) 1–0. Vanczak,Tamas (1835) – Tomczak,Marta, Kouty nad Desnou CZE, EU Ch U12, 2014. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6)

    7.Bb2 Nf6 8.Be5 Ne4 9.Qd4 Nf6 10.Bc4 g6 11.Bf6 ef6 12.0-0 Bd6 13.Re1 Kf8 14.Nd2 Kg7 15.Nf3 Bf5 16.h3 Bc2 17.Rac1 Ba4 18.g4 h6 19.h4 Qd7 20.h5 Rae8 21.hg6 fg6 22.Re6 Re6 23.de6 Qc6 24.Nh4 Rd8 25.Qe3 Bc5 26.e7 (26.Qe1-+) 26...Rd1 (26...Be3?? 27.ed8Q Bf2 28.Kf2 Qb6 29.Qb6 ab6 30.Re1+-) 27.Rd1 Be3 (27...Bd1?? 28.e8Q Qh1 29.Kh1 Bf3 30.Qf3 f5 31.Qg6 Kh8 32.Qh6) 28.Rd8 (28.Bb3 Bb3 29.ab3-+) 28...Qc4 (28...Qc4 29.fe3 Qg4 30.Ng2 Bc6-+) 0–1. Nepeina Leconte,Maria (2310) – Guichard,Pauline (2275), FRA–ch rap (Women) rapid, 2009. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 d6 5.d5 Ne5)

    7.Bd3 Nf6 8.0-0 g6 (8...e6 9.c4+=) 9.Bg5 Bg7 10.c3 0-0 11.cb4 Bg4 (11...Nd5!? 12.Bc4 Nb6+=) 12.f3 Bd7 13.Nc3 Rc8 14.Rc1 (14.Qb3 Qb6 15.Kh1 h6=) 14...a6 (14...Qb6 15.Kh1+=) 15.f4 (better is 15.Be3!?+=) 15...Ng4 16.Qf3? (better is 16.Qe1+=) 16...ef4-+ 17.Be2 Qb6 18.Kh1 e5 (better is 18...Qb4 19.Nb1 Ne3 20.Rc8 Rc8-+) 19.Be7= Rfe8 20.Bc5 Qc7 21.d6 Qc6 22.Nd5 Qa4? (22...Nf6 23.b5! ab5 24.Ba3+/-) 23.Ne7 (23.Nb6 Qc6 24.Nd7 Nh2 25.Nf6 Bf6 26.Kh2 Red8+-) 23...Kh8 (better is 23...Re7!? 24.de7 Qa2+/-) 24.Nc8 Bc8 25.Qb3 (25.Bc4!? Qd7+-) 25...Qb3+/- 26.ab3 b6? (26...Nf6 27.Rfd1 Be6+/-) 27.Rcd1 (better is 27.Bb6!? Nf6+-) 27...Nf6? (27...bc5 28.bc5 Ne3 29.d7 Bd7 30.Rd7 Nf1 31.Bf1+/-) 28.Bf3?? (28.Bb6!? Bd7+-) 28...Bd7?? (28...bc5 29.bc5 Bb7 30.Rc1=) 29.Rf2?? (better is 29.Bb6 g5 30.h3+-) 29...g5 (29...bc5 30.bc5 g5 31.Rc2+=) 30.h3 (30.Bb6 g4+=) 30...h5 Black prepares g4 (30...bc5 31.bc5 h5 32.Rc2-/+) 31.Re1 (31.Bb6 g4 32.hg4 hg4=) 31...g4 32.hg4 hg4 33.Bd1 Bc8?? (33...bc5 34.bc5 Rc8 35.Rc2-/+) 34.Rd2?? (34.Bb6 Kh7+-) 34...Re6?? (34...bc5 35.bc5 Bb7 36.Bc2+=) 35.Bc2?? (35.Bb6 Bh6+-) 35...Bh6?? (35...Nd7 36.Bd1 Rg6 37.Rc2-/+) 36.Red1?? (36.Bb6 f3 37.Rd3 Bf8 38.gf3 Bd6+/-) 36...Nh5?? (36...bc5!? 37.bc5 f3 38.gf3 Bd2 39.Rd2 gf3-/+) 37.Rd3 (better is 37.d7!? Bd7 38.Rd7 bc5 39.bc5 Ng3 40.Kg1 Ne2 41.Kf1+/-) 37...Ng3 (37...bc5 38.bc5 Ng3 39.Kg1 Ne2 40.Kf1=) 38.Kg1 (38.Rg3 fg3 39.Bb6+=) 38...Bg5 (38...bc5 39.bc5 Bd7= (39...Ne4 40.c6 Nd6 41.Rd6+-)) 39.Bf2+/- Nh5? (better is 39...Bd7 40.Bg3 fg3 41.Rg3 Rh6+/-) 40.Kh2 (better is 40.d7 Bd7 41.Rd7+-) 40...g3-/+ 41.Bg3 (41.Kg1 gf2 42.Kf2 Bd7-/+) 41...Ng3 (better is 41...fg3!? 42.Kg1 Bd7-+) 42.Kh3?? (better is 42.d7 Rh6 43.Kg1-/+) 42...Rh6 0–1. Su,Gordon – Kao,Alvin, Fremont Weibel Quads, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nc6)

    7.Qh5!? =.

    4.d4 Nf6

    5.d5 Nb8 6.e5 Ng4 7.h3 Nh6 8.a3 ba3 9.Ba3 d6 10.Be2 de5 11.Ne5 g6 12.0-0 Bg7 13.f4 0-0 14.c4 Nd7 15.Nd7 Ba1 16.Nf8 Kf8 17.Nd2 Bd4 18.Kh1 a6 19.Ne4 Nf5 (better is 19...Bg7!?=) 20.g4+/- Ne3?? (better is 20...Bg7 21.gf5 Bf5+/-) 21.Qd4+- Nf1 (21...Kg8 22.Bb2 f6 23.Qe3 b5+-) 22.Qh8 1–0. Sochacki,Christophe (2040) – Lemarchand,Thibault, FRA–chT U20, 2005. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4)

    5.d5 Nb8 6.e5 Ng8 7.Bc4 Qc7 8.Qe2 d6 9.Bf4 Kd8 10.0-0 f6 11.ed6 ed6 12.Nd4 g5 13.Bg3 h5 14.Re1 Qf7 15.Qd2?? (15.Ne6 Be6 16.de6+=) 15...Qc7?? (15...h4 16.Bf4 gf4 17.Qb4 h3 18.Qa5 b6 19.Ne6 Be6 20.de6 Qh7-+ (20...ba5?! 21.ef7 Ne7 22.Nc3-/+)) 16.Qe2 (better is 16.Qb4!? a6 17.h3+-) 16...Qe7 17.Qf1 Qc7 18.Nb5 Attacking the isolated pawn on d6 18...Qb6 19.h4?? (better is 19.Qe2 Bd7 20.Qe3 Qe3 21.Re3+=) 19...a6-+ 20.a4 ab5 21.Bb5 Be7 22.Nd2 Bd7 23.Bd3 f5 (23...gh4!? 24.Bh4 Qd4 25.Re4 Qd5 26.Rb4-+) 24.hg5 h4 (24...Ra4 25.Nc4 Qc5 26.Re7 Ne7 27.Nd6+/-; 24...Bg5 25.Nc4 Qa7 26.Nd6+/-; 24...Ba4?! 25.Bf5 Qc5 26.Qc4+=) 25.Bf4 Qd4 26.Be3 Qd5 27.Bc4 Qc6 28.Bd4 Rh5 29.Bg8 Rg5 (29...Bg5? 30.f4 Kc8 31.fg5 Rg5 32.Bb3+-; 29...Qc2?? 30.Bb6 Kc8 31.Re7+-) 30.Bf7 h3 (30...Ra4? 31.Ra4 h3 A) 32.Rb4?? Rg2 33.Kh1 Rf2 34.Re4 Rf1 (34...Rd2 35.Bb6 Kc8 36.Rbc4 fe4 37.Qa1 e3 38.Bd5+/-) 35.Kh2 fe4 36.Bb6 Qb6 37.Rb6 Rf2 38.Kg1 Rd2-+; B) 32.g3+-; 30...Qc2?? 31.Bb6 Kc8 32.Rac1 Qc1 33.Rc1 Nc6 34.Qd3+-) 31.g3 f4 (31...Ra4?? 32.Ra4 f4 33.Ra8 (33.Rb4?! fg3 34.Bb6 Kc8+-) 33...fg3 34.f3+- (34.Rb8?! Kc7 35.f3 Bf6+/-)) 32.Ne4 fg3 33.fg3 Rf5 34.Qh3 Rf7 35.Qh5 Qc4 (better is 35...Rf5 36.Qh8 Rf8-+) 36.Bb6-/+ Kc8 37.Nd2 Qc6 38.Qf7 Qb6 39.Kh2 Qd4 40.Nf3? (better is 40.Qc4 Qc4 41.Nc4-/+) 40...Qf2-+ 41.Kh1 Bc6 42.Re4 (42.Rf1 Qg3 43.Qe7 Ra5 44.Qf8 Kc7-+) 42...Be4 43.Qe8 (43.Qe6 Kc7 44.Qe4-+) 43...Kc7 44.Qe7 Nd7 (44...Nd7 45.Qe4 Rh8 46.Nh4 Qg3 47.Qc4 Nc5-+) 0–1. Knappke,Sebastian – Ballester,Mompo (2210), Autonomico–chT, 1997. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 Nf6)

    4.d4 g6

    5.a3 ba3 6.Na3 Bg7 7.Bf4 a6 8.Nb5 d6 9.c3 Bg4 10.Qa4 Bf3 11.gf3 Kf8 12.Bh3 Rb8 13.Na3 Qa5 14.Qa5 Na5 15.Ke2 Bh6 16.Bg3 Nf6 17.Rhb1 Kg7 18.Rb6 Nh5 19.Nc2 Ng3 (19...Nc4!? 20.Rb4 d5 21.Bb8 Rb8=) 20.fg3+/- Nc6 21.Rab1 Na5 22.Ra1 Nc6 23.Rab1 e6 24.Rb7 Rb7 (24...Rhe8!?+=) 25.Rb7+/- Ra8 26.Rd7 Bc1? (better is 26...Nd8+-) 27.Be6 Ra7 28.Ra7 (better is 28.Rd6!? fe6 29.Rc6 Kf7+-) 28...Na7 29.Bd7 Kf6 30.Kd3 Ke7 31.Ba4 Nc8 (better is 31...f5+-) 32.Nb4 Nb6 33.Bb3 g5 34.Na6 h5 35.h3 f6 36.Nb4 1–0. Kondziela,Andreas – Bartkowiak,Christoph, St Ingbert op, 1989. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4)

    5.a3 ba3 6.d5 Bg7 7.Ra3 Ne5 8.Nd4 d6 9.f4 Nd7 10.Bb5 Ngf6 11.e5 de5 12.fe5 Nd5 13.e6 0-0 14.ed7 (14.Bd7 Qb6 (14...Bd7?! 15.ed7 Qd7 16.Ne2+=) 15.Bc8 Rac8-/+) 14...Bd7 15.Bd7 Qd7 16.0-0 a5 17.Nf3 b5 18.Kh1 Rfc8 19.Ng5 Nf6 20.Rd3 Qc6 21.Nc3 h6 22.Nf3 b4 23.Nd5 Nd5 24.Rd5 e6 25.Rd6 Qc5 26.Rd7 Ra7 27.Ne1 Qb5 28.Rd3 a4 29.Nf3 a3 30.Nd4 Qc4 31.Be3? (better is 31.Rf2-/+) 31...a2-+ 32.Qa1 Rd7?? (32...b3 33.Rdd1 bc2 34.Rc1-+) 33.Qd1?? (better is 33.Rfd1-/+) 33...Ra8 34.Nb3 Rd3 (better is 34...a1Q!? 35.Na1 Ra1 36.Bc1 Rd3 37.cd3-+) 35.cd3 Qc3 Black plans a1 36.Qf3 a1Q 37.Qf7? (37.Na1 Ra1 38.Qf7 Kh7 39.h3-+) 37...Kh7 38.Na1 Ra1 39.Kg1 (39.h4-+) 39...b3 40.Ra1 Qa1 41.Kf2 Qf6 (41...Qf6 42.Qf6 Bf6-+) 0–1. Sznapik,Krzysztof (2215) – Bojczuk,Zygmunt (2325), Warsaw op, 1993. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.a3 b3 6.cb3+= Bg7 7.Be3 Nf6 8.Bd3 0-0 9.0-0 d5 10.e5 Ne4 11.Ra2 f5 12.ef6 ef6 13.Rc2 (13.b4 Bg4 14.b5 Na5=) 13...f5= 14.Nc3 (14.Bb5 Qb6 15.Bc6 bc6=) 14...Be6 (14...Nc3 15.Rc3 f4 16.Bc1 Nd4 17.Nd4 Bd4 18.Rc2-/+) 15.b4 (15.Ne2 Re8=) 15...a6 (15...f4 16.Bd2-/+) 16.g3 (16.Ne2 g5=) 16...h6 17.Na4 Kh7 18.Nc5 Bc8 19.Qc1 Qe7 20.Na6 f4 (20...Ra6 21.b5 Double attack (21.b5 Decoy); 20...ba6 21.Rc6 Discovered attack (21.Rc6 Deflection; 21.Rc6 Overloading)) 21.gf4 (21.Bf4 Bg4 (21...Nd4? 22.Nd4 ba6 23.Rc7+-) 22.Rc6 bc6+=) 21...Bg4 (21...Bh3 22.Rd1 Qe6 23.Ne1 Nd4 24.Bd4 Bd4 25.Be4 Qe4 26.Nc5 Bc5 27.bc5 Rf4 28.f3=+) 22.Be2 (22.Ne5 Ne5 23.de5 Bf3-+ (23...ba6 24.f3 Bh3 25.fe4 Bf1 26.Qf1 Be5 27.ed5+=; 23...Ra6? 24.f3+-)) 22...Bf3=+ 23.Bf3 Ra6 24.b5 Ra3 25.bc6 bc6 26.Rc6 Ra7 27.Kh1 Rf6 28.Rg1 Rd7 29.Qc2 Rc6 30.Qc6 Rd6 31.Qc8 Nf6 32.Qc2 Ne4 33.Qc8 Nf6 34.Qh3 Qd7 35.Qg2 (35.Qd7 Nd7 36.h4 Nb8+=) 35...Qf5= 36.Rc1 Rd7 37.Rc5 Qb1 38.Qg1 Attacks the isolani on d5 38...Qg1 (38...Qf5!?=) 39.Kg1+= Bf8 40.Rb5 Kg7 41.Kg2 Kf7 42.f5 g5 (42...gf5!? 43.Bf4 Ne4+=) 43.h4! g4 (43...gh4 44.Kh3 Decoy) 44.Be2 h5 45.Bg5 Be7 46.Bd3 Ne4 (better 46...Rc7+/-) 47.Rb6 (better 47.Be7 Ke7 48.f3+/-) 47...Ng5= 48.hg5 Bg5 49.Rg6 Bf6 50.Rh6 h4 (50...Rc7 51.Rh7 Bg7 52.Bb5=) 51.Rh7= Ke8?? (better 51...Bg7=) 52.Rh5 (better 52.Bb5 Bd4 53.Rd7+-) 52...Rg7 (52...Bd4? 53.Bb5 Kd8 54.Bd7 Kd7 55.Rh4+-) 53.Rh8 (53.Be2 Ke7-/+ (53...Bd4?! 54.Rh4 Bf6 55.Rg4=)) 53...Ke7-+ 54.Rh5 g3 55.fg3?? (better 55.f3-+) 55...Rg3 56.Kf2 Rd3 57.Rh7 Kd6 (better 57...Kf8 58.Kg2-+) 58.Rh6 Ke7 59.Rh7 Kf8 60.Rh6 Kg7 61.Rg6 Kf7 62.Rh6 Rd4 63.Rh7 Bg7 (better 63...Kg8 64.Rh5 Rd2 65.Ke3 Rg2-+) 64.f6 (64.Ke3-+) 64...Kf6 65.Rh5 (65.Kg2 Kg6 66.Rg7 Kg7 67.Kf2 Rf4 68.Ke3-+) 65...Rd2 (better 65...Kg6 66.Rh4 Rh4-+) 66.Ke3 Rd1 (66...Rh2 67.Rd5 h3 68.Rd1-+) 67.Ke2 (67.Rh4 Ke6 68.Ke2-+) 67...Rd4 68.Ke3?? (68.Kf2 Kg6 69.Rh4 Rh4 70.Ke1-+) 68...Re4 (better 68...Kg6 69.Rh4 Rh4 70.Kd2-+) 69.Kd3 Ke6 70.Rh7 (70.Kd2 Be5-+) 70...Bf6 (70...Kf7 71.Rh5 Rd4 72.Ke2-+) 71.Rh6 (71.Rh5 Rb4-+) 71...Ra4 (71...Kf7!? 72.Rh7 Bg7 73.Kd2-+) 72.Rh7 (72.Ke3 Kf5 73.Kf3 Ra3 74.Kg2 d4-+) 72...Ra3 73.Kd2 Kf5 74.Rf7 h3 75.Ra7 (75.Ke2 h2 76.Rh7-+) 75…Ra7 (75...Ra7 76.Kc2 h2 77.Kb3 h1Q 78.Kb4 Qe4 79.Kc5 Qc4 80.Kd6 Be5) 0-1. Tay,J (2230) - Reimanis,R (2420), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.a3 d5 6.ed5 Qd5 7.ab4 e5 (7...Nb4!? 8.Na3 Nf6=+) 8.c3+= e4 (8...Bg4 9.b5 Nd4 10.cd4=) 9.Nfd2 (9.Ne5 Be6+/-) 9...Nf6 (9...Be6 10.b5 Nce7 11.Bc4+=) 10.b5 (10.Bc4 Qf5+/-) 10...Nd8 (10...Ne7 11.Bc4 Qd6 12.Qb3+/-) 11.Nc4 (11.Bc4 Qf5+/-) 11...b6 (11...Qe6 12.Be2+=) 12.Be2 Bb7 (12...Qb5?? 13.Nd6! Bd6 14.Bb5 Ke7 15.Bg5+-) 13.0-0 Be7 14.Ne5 Qe6 15.c4 (15.Bc4 Bd5 16.Bd5 Nd5+/-) 15...Nd7 16.f4 ef3 (16...0-0 17.Nc3 f5 18.Be3+/-) 17.Nf3 Bf6 18.Ra3 0-0 19.Re3 Qd6 20.Ba3 Qf4 21.Rd3 Ne6 (better 21...Re8 22.Ne5 Be5 23.Rf4 Bf4+-) 22.Ne5 Qg5 23.Rg3 Qh4 (23...Qh6 24.Ng4 Qg7 25.Nf6 Nf6 26.Bf8 Rf8+-) 24.Rg4 (24.Nd7?! Bd4 25.Kh1 Rfd8+/-; 24.Bf8?! Be5 25.de5 Ndf8+-) 24...Ne5 (24...Qh6 25.Nd7 Bd4 26.Kh1+-) 25.Rh4 Bh4 26.Bf8 Rd8 27.d5 (27.Bh6 Nd4 28.Nd2 f5+-) 27...Kf8 28.Qc1 (28.de6?! Rd1 29.Rd1 fe6+/-) 28...Ng7 (28...Nd4 29.Qh6 Kg8 30.Qh4 Ne2 31.Kh1+-) 29.Qf4 1-0. Bellahcene,B (2510) - Dardha,Daniel (2485), 5th Vergani Cup Jan, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.a3 d5 6.ed5 Qd5 7.c4 bc3 8.Nc3 Qd8 9.d5 Bg7 10.Bb2 Qb6 11.Bb5 (11.dc6? Qb2 12.Nd5 Qa1 13.Nc7 Kf8 14.Qa1 Ba1 15.Na8 bc6-+) 11...Bd7 12.0-0 Ne5 13.Bd7 Kd7 14.Na4 Qd6 15.Be5 Be5 16.Ne5 Qe5 17.Nc5 Kd8 18.Qa4 (18.Qa4 Qc7 19.Qd4+-) 1–0. Kondziela,Andreas (2090) – Vetterlein,David, DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.a3 Bg7 6.ab4 Nb4 7.Ra4 Nc6 8.h4 d6 (8...d5 9.ed5 Qd5 10.Nc3=+) 9.h5 Bg4 10.h6 Bf6 11.c3 e5 (11...a6!?=+) 12.d5= Na5 13.Ba3 b6 14.Bb5 Kf8 15.Bb4 Ne7 16.Nbd2 (16.Ba5 ba5 17.Qd3 Qb6=) 16...Rc8 (16...Nb7!?=) 17.Qa1+- Bf3 18.Nf3 Qc7 19.Qa3 Rd8 20.0-0 Nc8 21.Ba5 ba5 22.Ra5 Opening the b–file gets White a lot of play 22...Qe7 23.Bc6 Bg5 (23...Kg8 24.Rb1 Bg5 25.Ng5 Qg5 26.Bb7 Qh6 27.Bc8 Rc8 28.Qd6+-) 24.Rb1 (24.Ng5!? Qg5 25.Bb7+-) 24...Bh6+- 25.Rb7 Qf6 26.Bd7 Kg7 27.Ra6 Nb6? (27...Qf4 28.Bc8 Rc8 29.Qd6+-) 28.Bh3?? (28.Be6! Nc8 29.Bf7 Qf7 30.Rf7 Kf7+-) 28...Nc4?? (better 28...Rb8 29.Raa7 Rb7 30.Rb7 Ra8=) 29.Qb4 Nd2 30.Nd2 Bd2 31.Raa7 (31.Rba7 Rb8 32.Rb7 Bc3-/+) 31...Rhf8 32.Be6 Kh8 33.Rf7 Qh4?? (33...Rf7 34.Rf7 (34.Bf7?! Rf8+=) 34...Qh4 35.g3+-) 34.Qb2 (34.Qb7 Rf7 35.Qf7 Qh1 36.Kh1 Bc3 37.Qh7) 34...Rf7+- 35.Rf7 (35.Bf7?! Be3 36.Rb7 Bc5=) 35...Bf4 (35...Bg5 36.g3 Qh5+- (36...Qe4 37.Qb7 Be7 38.Qe7 Qb1 39.Kh2 Qh1 40.Kh1 Rb8 41.Rh7)) 36.g3 The mate threat is gxh4 36...Bg3 37.fg3 Qg3 38.Qg2 Threatening mate... how? 38...Qe3 (38...Qe1 39.Rf1 Qe3 40.Qf2 Qg5 41.Kh1+-) 39.Kh2 (39.Qf2 Qf2 40.Kf2 h6+-) 39...Qh6 (39...Ra8 40.Qf2 Qf2 41.Rf2+-) 40.Bh3 (40.Qh3!? Qd2 41.Kg1 Qc1 42.Qf1 Qf1 43.Kf1 h5+-) 40...Rf8 41.Rf8 Qf8 42.Qg3 (42.Qg5 Qf2 43.Bg2 Kg8+-) 42...Qb8 (42...Kg7 43.Bf5+-) 43.Bg2 Kg7 44.c4 Qb4 45.Qd3 h5 46.Qf1 (46.Qh3 Qc5+-) 46...Qc3 47.Qe2 Kh6 48.Qf3 Qc4? (better 48...Qc1+-) 49.Qf8 Kh7 50.Qd6 Qc3 51.Qe7 Kh6 52.Qf8 Kh7 (52...Kg5 53.d6 Qd2 54.Qd8 Kh6 55.Qh8 Kg5 56.Qe5 Kh6+-) 53.d6 g5 54.d7 h4 55.Qf7 (55.Qf5 Kg7 56.d8Q Qg3 57.Kh1 Qe1 58.Bf1 Qf1 59.Qf1 Kh6 60.Qff6 Kh5 61.Qg5) 55...Kh6 56.Qf6 Kh5 (56...Kh7 57.Qf5 Kg7 58.d8Q Qg3 59.Kh1 Qh2 60.Kh2 g4 61.Qdf8) 57.Qf3 (57.Qf3 Qf3 58.Bf3 g4 59.Be2+-; 57.Bf3 Qf3 58.Qf3 g4 59.Qf5 Kh6 60.d8Q g3 61.Kg1 h3 62.Qdf6) 1–0. Christiansen,Johan_Sebastian (2490) – Devereaux,M (2370), ch–NOR Blitz, 2018. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.a3 Bg7 6.ab4 Nb4 Black has a new passed pawn: a7. Black has a cramped position. Black's piece c 7.c3 White threatens to win material: c3xb4 7...Nc6 8.Bc4 e6 Black has a cramped position. Black's piece can't move: c8 9.0-0 d5 10.ed5 ed5 Black king safety dropped. 11.Re1 Nge7 12.Bb5 0-0 Black castles and improves king safety 13.Ba3 Re8 14.Nbd2 h6 Secures g5 15.Nb3 a6 16.Ba4 Rb8 17.Nc5 b5 Black threatens to win material: b5xa4 18.Bc2 (18.Bb3 Ra8=) 18...Rb6 (18...a5 19.Bc1+=) 19.Qd2 Nf5 20.Re8 Qe8 21.Re1 White threatens to win material: Re1xe8 21...Qd8 22.Bf5 (22.Nd3 Na5=) 22...Bf5+= 23.Nd3 (23.h3 Bf8+=) 23...Be4 (23...Na5 24.Nc5-/+) 24.Qe3 (24.Bc5 Rb8+=) 24...Bd3 25.Qd3 b4 26.cb4 Nb4 27.Qc3 Bf8 28.Qd2 a5 29.Re3 Rc6 30.Rc3 (better is 30.Ne5!? must be considered 30...Rc7 31.Re2-/+) 30...Qc8-/+ 31.Rc6 Qc6 32.Ne5? (32.g3 Qa4 33.Bb2 Qc2 34.Qc2 Nc2-/+) 32...Qa4 (32...Qc2 33.Qe1 Qb3 34.Bb4 Bb4 35.Qf1-+) 33.Bc1 (better is 33.Bb2!?-/+) 33...Qc2-+ 34.Qc2 Nc2 0–1. Kalyinka,Roland – Diamant,Tibor (2125), HUN–chT2, 2001. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.Bb2 Bg7 6.Bc4 Nh6 7.0-0 0-0 8.Nbd2 Na5 9.Bd3 d5 10.e5 Bf5 11.Nb3 Nc4 12.Bc1 Bd3 (12...Qc7 13.Rb1=+) 13.cd3= Na5 14.Bd2 Nc6 15.Qc1 Nf5 16.g4 Nfd4 17.Nbd4 Nd4 18.Nd4 Be5 19.Be3 Qd7 20.f3 h5 (20...Bd6!?=) 21.gh5+= Qh3 22.Rf2 (22.f4 Bd4 23.Bd4 Qd3+/-) 22...Qh5+= 23.Rb1 (23.f4 Bf6+=) 23...a5 24.Qd2 Qh8 25.Nb3 Rfc8 26.d4 Bf6 27.Nc5 b6 28.Nd7 Rc6 29.Nf6 Qf6 30.f4 Qf5 31.Rbf1 Rac8 32.Qe2 Rc3 33.Rg2 Qe4 34.Bd2 Qd4 (34...Qe2 35.Re2 Rc2-/+) 35.Qf2? (better 35.Kh1 Qc4 36.Bc3 bc3 37.Qf3+=) 35...Qf2-+ 36.Rgf2 Rd3 37.Rg2 e6 38.Be1 (38.Rb1 d4-+) 38...Kf8 (38...b3 39.Bg3-+) 39.Bf2 Rc6 40.h4 (40.Rb1 Kg7-+) 40...Ke7 41.Rg5 (41.Rb1 Rf3-+) 41...a4 Black prepares the advance b3 42.h5 gh5 43.Rh5 b3 44.Bh4 Kd7 (44...Kd6!? 45.ab3 Rb3 46.Rh7-+) 45.ab3 ab3 46.Rb1 (better 46.Bf6-+) 46...Rc2 47.Bf6 Rg3 (47...Rdd2!? 48.Rh7 b2 49.Bb2 Rb2 50.Rb2 Rb2 51.Rf7 Kd6 52.Kf1-+) 48.Kh1 Rf3 49.Rh2? (better 49.Be5-+) 49...Rf4 50.Rc2 (50.Be5 Rf5 51.Bb2-+) 50...bc2 (50...Rf6?! 51.Rb3 e5 52.Rcb2=) 51.Rc1 Rf6 52.Rc2 d4 53.Rb2 e5 54.Kg2 e4 55.Rd2 d3 56.Kg1 Kd6 57.Kg2 Kd5 58.Kg3 Kd4 59.Kg2 e3 60.Rb2 Rf2! 61.Rf2 ef2 62.Kf2 Kc3 (62...Kc3 63.Ke1 d2 64.Kd1 b5 65.Ke2 b4 66.Kf3 d1Q 67.Ke4 b3 68.Kf4 b2 69.Kg3 Qe1 70.Kg4 b1Q 71.Kh3 Qbe4 72.Kh2 Q4h1) 0-1. Starley,Robert (2080) - Reimanis,R (2420), English Online Blitz Gp2 blitz, 2020. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.c4 bc3 6.Nc3 Bg7 7.Bb2 Qb6 8.Qd2 d6 (worse is 8...Nd4 9.Na4 Qc6 10.Nd4 Qe4 11.Ne2+/-) 9.Bb5 Bd7 10.Rb1 Nf6 (10...Nd4? 11.Nd5 Qd8 12.Bd4+-) 11.Ba1 a6 12.Be2 Qa7 13.d5 (13.d5 Ne5 14.Ne5 de5 15.0-0=) 1–0. Schirmer,Michael (2150) – Vetterlein,Dave, DESC–online.de, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.Bc4 Bg7 6.Be3 Nf6 7.e5 Ne4 8.Bd5 Nc3 9.Nc3 bc3 10.Ng5 0-0 11.f4 d6 12.Be4 Qb6 13.0-0 h6 14.Nf3 Bg4 15.Rb1 Qc7 16.h3 Bf5 17.Bf5 gf5 18.Qd3 Na5 19.Qf5 Nc4 20.Bc1 Rad8 21.Qg4 e6 22.Nh4 White intends f5 22...f5 23.ef6 Rf6 24.f5 e5 25.Ng6 Kh7 26.Qh5 Nd2 27.Bd2 cd2 28.de5? (28.Qd1 Qc3 29.de5 de5 30.Rb7-/+) 28...de5-/+ 29.Qd1 e4 30.Rb3 (better is 30.Nf4!? Qc5 31.Kh2-+) 30...Qc5 31.Kh1 Rf5 32.Rf5 (32.Nf4 Qc4 33.Kg1 Bd4 34.Kh2-+) 32...Qf5 33.Ne7 Qf2 34.Rb1 e3 35.Qg4 Qf7 (better is 35...Qe1! 36.Kh2 Be5 (36...Qb1?! 37.Qf5 Kh8 38.Ng6 Kg8 39.Ne7 Kh8 40.Ng6 Kg8 41.Ne7 Kh8=) 37.g3 Bg3 38.Qg3 Qg3 39.Kg3 e2-+) 36.Qe4 Kh8 37.Ng6 (37.Kh2 Rd6 38.Qe3-+) 37...Kg8 (better is 37...Qg6! 38.Qg6 e2-+) 38.Ne7= Kf8 39.Nf5?? (better is 39.Ng6 Kg8 40.Ne7 Kh8 41.Ng6 Qg6 42.Qg6-+) 39...d1Q-+ 40.Rd1 Rd1 41.Kh2 Rd7 (41...Rd7 42.Nh4 Qe8 43.Qb4 Re7-+) 0–1. Nystrom,Leif – Issakainen,Ari (2265), Helsinki We op, 1996. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.d5 Bg7 6.c3 bc3 7.dc6 c2 8.Qc2 Ba1 9.c7 Qc7 10.Qc7 Nf6 11.Bd3 0-0 12.0-0 Re8 (12...Ne8 13.Qd8 Nf6 14.Qe7+-) 13.Ba3 Ng4 (13...Nh5 14.Be7! Nf4 15.Qf4 Re7 16.e5+-) 14.h3 Nh6 15.e5 (15.Be7 f5+-) 15...d6 (15...f6 16.Bc4 e6 17.Nbd2 Be5 18.Ne5+-) 16.Bb5 Rf8 (16...Be6 17.Be8 Re8 18.ed6 ed6 19.Qb7+-) 17.ed6 ed6 (17...Be6 18.de7 Rfb8 19.Nc3+-) 18.Bd6 (18.Bd6 Be6 19.Bf8 Rf8 20.Qb7+-) 1–0. Kuckling,Linus (1800) – Liess,Alexander (1770), TCh–GER Junior U20, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.d5 Bg7 6.c3 Ne5 7.Nd4 d6 8.Qa4 Nd7 9.Qb4 Ngf6 10.f3 0-0 11.Be2 Nc5 12.0-0 Nfd7 13.Be3 Nb6 14.Nd2 Bd7 15.Rab1 Nba4 16.Bd1 b5 17.Be2 (worse is 17.Nb5 Bb5 18.Ba4 Bf1 19.Kf1 a5-/+) 17...a6 18.Rfc1 e6 19.de6 fe6 20.Qa3 Be5 21.g3 g5 22.Rc2 Qf6 23.Rd1 Rac8 24.Nb1 Qg6 25.Qc1 h6 26.Qd2 Rf7 27.c4 g4 28.f4 (28.Rf1!?+=) 28...Ne4-/+ 29.Qc1 Bd4 30.Bd4 e5 (30...b4 31.Bd3 Qf5 32.Qe3-/+) 31.Be3 (better is 31.cb5!? Re8 32.fe5 de5 33.Be3 Bb5 34.Bc4 Bc4 35.Rc4+=) 31...Bf5 32.Bd3 (32.fe5 Ng5 33.Rcd2 Nh3 34.Kf1 Bb1 35.Ke1 Be4 36.Rd6 Qf5 37.Rh6 Bf3-+) 32...Ng3! 33.cb5? (33.hg3 ef4 Double attack (33...Bd3 Discovered attack; 33...ef4 Decoy)) 33...Ne2!! (33...Rc2?! 34.Qc2 Bd3 35.Rd3 ef4 36.Bd4-/+) 34.Be2 (34.Re2 Bd3 Double attack (34...Rc1 Pinning; 34...Rc1 Deflection; 34...Bd3 Decoy; 34...Bd3 Zwischenzug); 34.Be2 Rc2 Double attack (34...Bc2 Pinning; 34...Bc2 Deflection; 34...Rc2 Decoy; 34...Rc2 Zwischenzug)) 34...Rc2 (34...Bc2?! 35.fe5 g3 36.h3-+) 35.Qa3 Re2 36.Qa4 g3 37.h4 Bc2 (37...Bc2 38.ba6 Ba4-+) 0–1. Yilmaz,Gulsevil (1895) – Kurajica,Bojan (2535), Kavala zt, 1985. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.d5 Bg7 6.c3 Ne5 7.Nd4 d6 8.Qa4 Nd7 9.Qb4 Ngf6 10.f3 0-0 11.Be2 Nc5 12.0-0 Nfd7 13.Be3 Ne5 14.Nd2 f5 (14...Bd7 15.Rab1+=) 15.ef5 gf5 16.f4 Ned7 (16...Ng4 17.Bg4 fg4 18.f5+=) 17.Bf3 (17.Rfe1 Nb6+/-) 17...Nb6 18.N2b3 (18.Rab1!?+/-) 18...Ne4= 19.Be4 fe4 20.f5 (better 20.Qa5=) 20...Nd5-+ 21.Qc4 e6 22.Rae1 Ne3 23.Re3 d5 24.Qe2 (24.Qc5 ef5 25.Ree1 Kh8-+) 24...ef5 25.Rf4 (25.Qd2 Be5-+) 25...Qd6 26.Qf2 Bd7 (better 26...Be5!? 27.Ne2-+) 27.Nf5 Bf5 28.Rf5 Rf5 29.Qf5 Rf8 30.Qh5 (30.Qg4 Qb6 31.Qg3 Rf3 32.gf3 Qe3 33.Qf2 Qf3 34.Qf3 ef3-+) 30...Qf4 (30...Be5!? 31.Re1-+) 31.Qe2 Bh6 32.Rg3 Kh8 33.Rh3 (33.Qe1 Bg5 34.Rh3 b6-+) 33...Bg7 34.Rg3 (34.Qe1 Qd6-+) 34...Be5 35.a4? (35.Rh3 Qf6 36.Qe1 Rc8-+) 35...b6 (35...Bd6 36.Qe1 e3 37.Nd4 Qf2 38.Qf2 ef2 39.Kf1 Bg3 40.hg3-+) 36.a5 (36.Rh3 Qf6-+) 36...ba5 (36...Bd6!? 37.Qe1 e3 38.Nc1 Qf2 39.Qf2 ef2 40.Kf1 Bg3 41.hg3 ba5 42.g4-+) 37.Rh3 Qf6 (better 37...a4 38.Nd2 a3-+) 38.g4 (38.Qe1-+) 38...Qb6 39.Qe3 Qb3 40.g5 (40.Qe1 Qc2 41.Rg3 Bg3 42.hg3 Rb8-+) 40...Qb6 (40...Qd1 41.Qe1 Qe1 42.Kg2 Rf2) 41.Qb6-+ ab6 42.g6 Kg7 43.gh7 Rh8 (better 43...Kh8!? 44.Kg2-+) 44.Rh5 Kf6 45.Kf2 (45.Rh6 Kf5 46.Rh5 Kf4-+) 45...a4 46.Rh6 Ke7 (better 46...Kf5 47.Rb6 Rh7 48.Rb5 Rh2 49.Ke3-+) 47.Rb6 Bc3 48.Rb7 (48.Ra6 Bd4 49.Kf1 Rh7 50.Ra4 Bb6-+) 48...Kd6 49.Ke3 (49.Ke2 d4 50.Rf7 a3-+) 49...a3 50.Ra7 Bb2 (50...Bb4 51.Kf4-+) 51.Kf4 (51.Kd2 d4-+) 51...Kc5 52.Kf5 (52.h4-+) 52...Kb6 53.Ra4 Rh7 0-1. Wieczorek,O (2495) - Hamdouchi,H (2560), European Online CC PlayA, 2021. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.d5 Bg7 6.c3 Ne5 7.Ne5 Be5 8.f4 Bg7 9.e5 d6 10.cb4 de5 11.Bb2 Qb6 12.Qd2 (worse is 12.fe5 Qb4 13.Qd2 Qh4 14.Qf2 Qe4 15.Be2 Qd5-/+) 12...Nh6 13.Na3 (worse is 13.Be5 Be5 14.fe5 Ng4+=) 13...0-0 14.Nc4 Qd8 15.Ne5 Nf5 16.Rd1 Bd7 17.Nd7 Bb2? (better is 17...Qd7 18.Bg7 Kg7=) 18.Nf8+- (18.Qb2?! Qd7 19.Qe2 Rac8+=) 18...Bd4 19.Bd3 Ne3 20.Be4 Bb6 21.Rc1 Qd6 22.g3 Rf8 23.Rc3 Ng4 24.Bf3 Qb4 25.Rc2 Ne3 26.Rb2 (better is 26.Rc1!? Qa4 27.Qb2+=) 26...Qc5-+ 27.Rb6 Qb6 28.Ke2 Nc4 29.Qc3 Nd6 30.Qd3 Rc8 31.Rd1 Rc4 32.Kf1 Qc5 33.Kg2 Rc3 (33...Rc3 34.Qe2 Qa3-+) 0–1. Hvenekilde,Jorgen (2280) – Schandorff,Lars (2525), Politiken Cup, 1998. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.Be2 Bg7 6.0-0 Nf6 7.Nbd2 (7.e5 Ne4-/+) 7...d5 8.e5 Ne4 9.Bb2 Bf5 10.a3 a5 (10...Nc3!? 11.Bc3 bc3-/+) 11.ab4=+ ab4 12.Ra8 Qa8 13.Nh4 Qa2 14.Nf5 gf5 15.Ne4 (15.Ba1 0-0-/+) 15...Qb2-/+ (15...fe4?! 16.Qa1 Qa1 17.Ra1=+) 16.Ng5 Bh6 17.Nf3 e6 18.Qd3 (18.Qb1!? Qa3 19.g3-/+) 18...Kd7-+ 19.Rd1 Kc7 20.h3 Ra8 21.Ne1 (21.Qb3 Qb3 22.cb3 Ra3-+) 21...Ra1 (better 21...Ra3 22.Qb5 Ra1-+) 22.Nf3?? (better 22.Bf1 Rd1 23.Qd1 Nd4 24.Qh5-+) 22...Ra3 23.Qb5 Qc2 24.Ne1 Qc3 25.Nd3 (25.Kf1-+) 25…Ra5 (25...Ra5 26.Qa5 Na5-+) 0–1. Abdelaal,Ibrahim (1900) – Chiku_Ratte,Olivier_Kenta (2365), Pere Noel Open, 2018. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.Be2 Bg7 6.Bb2 Nh6 7.Nbd2 (7.c4 f5 8.e5 d6=+) 7...0-0 (7...d5 8.ed5 Qd5 9.Bc4-/+) 8.h4 (8.Rb1!? d5 9.ed5 Qd5 10.Bc4=+) 8...d5-/+ 9.e5 Bg4 10.h5 (10.a3-/+) 10...e6 (better 10...Bh5!? 11.a3 ba3 12.Ra3 Nf5-+) 11.hg6=+ fg6 12.a3 a5 (12...Qb6 13.c4=+) 13.Nb3 (13.ab4 Nb4 14.c3 Nc6=) 13...Qe7 (13...Bf3 14.Bf3 Qb6 15.Rb1=+) 14.ab4 ab4 15.Ra8 Ra8 16.Bc1 Bf3 (16...Nf5 17.Qd3=+) 17.Bf3= Nf5 18.Qd3 (18.Be2 Na5 19.g4 Nh4=) 18...Rf8 (18...Na5 19.Bd1=+) 19.Bg4 (19.Be2 Qf7 20.f4 Ra8=) 19...b6 (19...Qf7 20.Bf5 Qf5 21.Qf5 gf5 22.Ke2=) 20.Bf5 (20.Be2 Qf7 21.f4 Na5+=) 20...Rf5 21.g4 Rf7 22.f4 Bf8 23.Ke2 Qc7 24.Rf1 Qc8 25.Qb5 (25.Ke1!?=+) 25...Na5-/+ 26.Nd2 (better 26.Qd3!?-/+) 26...Qc2-+ 27.Qb6?? (27.Qd3 b3 28.g5-+) 27…Nb3 (27...Nb3 28.f5 ef5-+) 0–1. Kruse,Janik (2050) – Gabler,Eric (2075), TCh–GER Junior U20, 2017. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    5.Be3 Bg7 6.Bc4 e6 7.0-0. Von Rosenberg,Clemens – Vetterlein,David, DESC, 2002. (=1.e4 c5 2.Nf3 Nc6 3.b4 cb4 4.d4 g6)

    3.Nf3 d5

    4.e5 Nc6 5.a3 ba3 6.Ba3 g6 7.d4 Bg7 8.c3 Nh6 9.Bd3 0-0 10.Nbd2 a6 11.0-0 b5 12.Bc5 Bf5 13.Nb3 f6 (13...Qc7 14.Qd2-/+) 14.ef6 (14.Bf5 Nf5 15.g4 fe5 16.gf5 Rf5 17.de5 Ne5 18.Nfd4 Rg5 19.Kh1+/-) 14...Bf6-/+ 15.Re1 Bd3 16.Qd3 Nf7 17.Re6 Qd7 18.Rae1 (18.Rf6!? ef6 19.Bf8 Kf8 20.Nc5=) 18...Rfb8 19.Ba3 a5 Black prepares b4 20.Nc5 Qc7 21.Rb1 b4 22.cb4 ab4 23.Bc1 Nd4 24.Rf6 (24.Nd4 Qc5 25.Nc6 Rb7-+) 24...Nf3-+ (24...ef6?! 25.Qd4 Rb5 26.Be3= (26.Qd5? Rd8 27.Qb3 Qc5-+); 24...Qc5?! 25.Rf7 Kf7 26.Nd4+=) 25.Rf3 Qc5 26.Bb2 Qc4 27.Qe3 (27.Qd1 e5-+) 27...Qe4 (27...Qc2 28.Qd3 b3 29.Qf1-+) 28.Qc1 (28.Qe4!? de4 29.Rb3-/+) 28...Rc8 29.Qd1 (29.Qf1 e5-+) 29...e5 (29...Qc2 30.Qe1-+) 30.Re3 Qf5 31.Qe1 d4 32.Rb3 Rc2 33.Rc1? (33.Rb4 Re2! 34.Qe2 Qb1 35.Qf1 Qf1 36.Kf1 g5-+) 33...Rc1 (better is 33...Ra2 34.Rb1 Re2-+) 34.Bc1?? (34.Qc1 Rb8 35.Qd1-+) 34...Ra1 35.Qd2 Qf4 (35...Qc8 36.h3 Qc1 37.Qc1 Rc1 38.Kh2-+) 36.Qd3 0–1. Martinez,Julian (2205) – Munoz,Jhon Edison (2265), IRT Camp Nal Mayores Absoluto AJEDREZ B, 2012. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    4.e5 Bg4 5.Bb5 Nc6-/+ 6.e6 Be6 7.Ng5 Bd7 8.d4 Nf6 9.0-0 e6 10.Bf4 Qb6 11.Bc6 bc6 12.Be5 c5 13.Nd2 cd4 14.Nb3 Bd6 15.f4 h6 16.Nh3 Rc8 17.Kh1 a5 18.Nf2 a4 19.Nd2 Qc7 20.Bd6 Qd6 21.Ng4 Ng4 22.Qg4 0-0 23.Nf3 Rc2 24.Nd4 Rc4 25.Rad1 e5 26.Nf5 Bf5 27.Qf5 Rf4 28.Rf4 ef4 29.Rd5 Qe6 30.Qe6 fe6 31.Rb5 Rd8 32.h3 Rd4 0–1. Galleto,Ricardo – Duarte,L (2370), XXXVII Open, Mar del Plata ARG, 2006.

    4.ed5 Qd5

    5.c4 Qa5 6.Bb2 e6 7.a3 ba3 8.Na3 Nc6 (8...Qd8 9.Nb5 Nc6 10.Ne5=) 9.g3 (9.Nb5 Qd8=) 9...Nf6 10.Bg2 (10.Bf6 gf6 (10...Ba3? 11.Bg7 Rg8 12.Bb2+-) 11.Nc2 Qb6=+) 10...Be7-/+ 11.0-0 0-0 12.d4 Rd8 (12...Qf5 13.Nb5=+) 13.Nb5 Qb6 14.Qe2 Rd7 (14...a5 15.Rfb1=+) 15.Rfd1= Qd8 (15...a6 16.d5 ed5 17.Bf6 gf6 18.Rd5=) 16.Ne5+= Ne5 17.de5 Ne8 (17...Rd1 18.Qd1 Nd7 19.Na7+=) 18.Rd7+- Bd7 19.Bb7 (19.Na7?! Bc5 20.Nb5 Ra1 21.Ba1 Bc6=; worse 19.Ra7 Ra7 20.Na7 Bc5=) 19...Rb8 20.Be4 (20.Ra7? Bb5 21.cb5 Qb6-+) 20...Bc5 (20...Bb5 21.cb5 Qb6 22.Bc3+=) 21.Na7+- Qb6 22.Bc3 Nc7 (22...Qc7 23.Qa2+-) 23.Kg2 (23.Qd3 Bf2 24.Kg2 Be8 25.Bh7 Kh8+-) 23...g6 (23...Be8!?+-) 24.Qf3 Rd8 25.h4 (25.Nc6 Bc6 26.Bc6 Qb3+-) 25...Re8 (25...Qb8 26.Nc6 Bc6 27.Bc6+-) 26.h5 (26.Rb1 Qa7 27.Rb7 Qa4 28.Rc7 Rc8+-) 26...Be7 (26...Rb8 27.h6+-) 27.Bc6 Bc6 (better 27...Rd8+-) 28.Nc6 Bg5 (28...Bc5 29.Ra7 Ra8+-) 29.Ra7 (29.Bd4!? Qa6 30.Ra6 Na6+-) 29...Ra8 (29...Rc8 30.Bd2!! Bd2 31.Ne7 Kf8 32.Nc8 Qa7 33.Na7 Bg5+-) 30.Bd4 Qb1 (30...Qa7 31.Ba7 Rf8 32.Bc5+-) 31.Rc7 (31.Rc7 Rf8 32.Be3 Be3 33.Qf6 Qe4 34.Kh2 Qc6 35.Rc6+-) 1–0. Gareev,T (2590) – Wright,N (2110), O2C Doeberl Cup, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    5.c4 Qa5 6.d4 Nf6 7.Nbd2 Bg4 8.h3 Bf3 9.Qf3 Nc6 10.Bb2 Rb8 (10...Qb6!? 11.Nb3 Qc7=) 11.d5+= Nd8 12.Bd3 g6?? (better 12...Rc8+=) 13.Bf6+- ef6 (13...Rg8 14.Nb3 Qa6 15.c5+-) 14.Qf6 Rg8 15.Qe5 (15.Qe5 Kd7 16.Qb8+-) 1–0. Bazza3 (2435) – rmack (1915), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    5.c4 Qa5 6.d4 Nf6 7.Bd3 Bg4 8.0-0 (8.Nbd2 A) 8...Nc6 9.d5 (9.h3 Bf3 10.Nf3 e6 11.0-0 Rd8 12.Be3 Be7 13.Re1 0-0 14.Qb3+=) 9...Nd4 10.h3 Nf3 11.Nf3 Bf3 12.Qf3 b3 13.Bd2 Qa3 14.0-0=; B) 8...e6 9.h3 (9.0-0 Nc6 10.h3 Bh5 11.Nb3 Qc7 12.Re1 Be7 13.Qe2 Rd8 14.Bb2-/+) 9...Bh5 10.Nb3 Qc7 11.Qe2 Be7 12.g4 Bg6 13.Bg6 hg6 14.g5+=; C) 8...Nbd7 9.h3 (9.0-0 e6 10.Re1 Rd8 11.h3 Bh5 12.c5 Qc7 13.Ne4 b6 14.Nf6+=) 9...Bh5 10.g4 Bg6 11.Bg6 hg6 12.g5 Nh5 13.Qe2 Rc8 14.c5+=) 8...e6 (8...Nc6 9.Bb2 e6 10.h3 Bh5 11.Nbd2 Rd8 12.Re1 Be7 13.Qb3 0-0 14.Re3+=) 9.h3 (9.Nbd2 Nc6 10.h3 Bh5 11.Bb2 Rd8 12.Re1 Be7 13.Qb3 0-0 14.a4+=) 9...Bh5 (9...Bf3 10.Qf3 Nc6 11.Bb2 Be7 12.Nd2 Rd8 13.d5 ed5 14.Nb3+=) 10.Nbd2 (10.Re1 Be7 11.Nbd2 Nc6 12.Nb3 Qc7 13.Qe2 Rd8 14.Bb2-/+) 10...Be7 11.Re1 Nc6 12.Bb2 (12.Nb3 Qc7 13.Qe2 Rd8 14.Bb2-/+) 12...0-0 (12...Rd8 13.Nb3 Qc7 14.Rb1-/+) 13.Qc2 (13.Nb3 Qd8 14.g4+=) 13...Bg6 (13...Rfd8 14.Qb3-/+) 14.Ne5 (14.Bg6+=) 14...Bd3 15.Qd3 Rad8 16.Ndf3 Nd7 17.Ng4 Qh5 18.Rad1 Rfe8 19.Qc2 Nb6 20.Re2 f5 21.Ne3 Bf6 22.d5 ed5 23.Bf6 gf6 24.cd5 Ne5 25.Ne5 Re5 26.Red2 Rd7 27.Rd4 1–0. Sipila,Vilka (2315) – Blomqvist,Erik (2475), Stockholm SWE, 2012. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    5.c4 Qd6 6.d4 Bg4 7.Be2 Nc6 8.Be3 e6 9.0-0 Nf6 10.Nbd2 Be7 11.h3 Bh5 12.Nb3 (12.c5 Qc7-/+) 12...0-0-/+ 13.Qd2 a5 (13...Ne4 14.Qb2-/+) 14.Bf4 Qd7 15.g4 Bg6 16.Rad1 (16.Ne5 Ne5 17.de5 Qd2 18.Nd2 Ne4-/+) 16...a4 17.Nc1 (17.Ne5!? Qd8 18.Ng6 fg6 19.Nc1=+) 17...Ne4-+ 18.Qe3 Nc3 19.Rd2 Rfd8 20.h4 (20.Bd3 Bd3 21.Qd3 Bf6-+) 20...h6 (20...Nb1 21.Rdd1 Bc2 22.Rde1-+) 21.h5 Bh7 22.Bd3 Bd3 23.Rd3 Bf6 (23...b5 24.cb5 Nb5 25.Ne5-+) 24.a3 (24.g5 hg5 (24...Bd4?! 25.Nd4 Nd4 26.Be5 Nce2 27.Kh2=) 25.Bg5 Qe7-+) 24...Nd4 (24...e5 25.Ne5 Be5 26.de5 Qg4 27.Qg3 Qh5 28.ab4 Rd3 29.Qd3 Qg4 30.Qg3 Qg3 31.fg3-+) 25.ab4? (25.Ne5 Qd6 26.Re1 Nce2 27.Re2 Ne2 28.Qe2 Qe7 29.ab4 Be5 30.Be5 Qb4-/+) 25...Nf3 (better 25...Nce2! 26.Kh1 Nf4 27.Qf4-+) 26.Qf3 Qc6 27.Rc3 Bc3 28.Qc3 Qe4 29.Bg3 (29.Qg3 Rd4 30.Be5 Rc4-+) 29...Qg4 30.Qe5? (30.c5-+) 30...Qc4 31.Re1 (31.Qe1 a3 32.Ne2 Qb5-+) 31...Qb4 32.Kh2 (32.Na2 Qa5-+) 32...a3 (32...Ra5 33.Qe2-+) 33.Re4 (33.Na2 Qb2 34.Re2 Rd2 35.Rd2 Qd2-+) 33...Qa5 (better 33...Qb2 34.Ne2 Qe5 35.Be5-+ (worse 35.Re5 a2-+)) 34.Qa1 (34.Rg4 Qe5 35.Be5-+) 34...Qh5 (better 34...Rd1!? 35.Qe5 Qe5 36.Be5 (36.Re5?? Rc1 37.Re2 a2-+) 36...Rc1 37.Rg4-+) 35.Rh4 Qg5 (better 35...Qb5 36.Qe5 Rd5-+) 36.Kh3 (36.Na2-+) 36...Rd1 37.Rc4 (37.Rg4 Qh5 38.Bh4 Rh1 39.Kg2 Qg4 40.Kh1 Qh4 41.Kg2 Qg4 42.Kf1 Rd8-+) 37...b5 (37...Qh5 38.Rh4 Qf3 39.Qg7 Kg7 40.Rg4 Kh8 41.Rg8 Rg8 42.Kh4 Qg4) 38.Rc2 (38.Rg4 Qh5 39.Bh4 Rh1 40.Kg2 Qg4 41.Kh1 Qh4 42.Kg2 Qg4 43.Kh2 Ra4-+) 38...b4 (38...Qh5 39.Bh4 Qf3 40.Kh2 Rh1) 39.Qb1 (39.Qe5 f5 40.Qe6 Kh8 41.Kg2 Rc1 42.Rc1 Qc1 43.Qf5 Qc6 44.Kh2-+) 39...Qf5 (39...Qh5 40.Bh4 Qf3 41.Kh2 Rh1) 40.Kh2 Qe4 (40...Qf3 41.Rc8 Rc8 42.Qh7 Kh7 43.Nb3 Qh1) 41.Kh3 (41.Rc8 Rc8 42.Qe4 Rdc1 43.Qb4-+) 41...Rh1 42.Bh2 Qf3 (42...Qf3 43.Kh4 Rh2) 0-1. Postny,E (2600) - Vega,Isaac (1735), PNWCC Online Blitz JP, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    5.c4 bc3

    6.Nc3 Qd8 7.d4 Nf6 8.Bb5 Bd7 9.Rb1 Nc6 10.d5 Nb8 11.Bd7 Qd7 12.0-0 g6 13.Re1 Bg7 14.Ba3 Ng8 15.Ne4 (better 15.Nb5 Bf6 16.Nd6 Kf8 17.Rb7+-) 15...Nf6?? (better 15...b6+-) 16.Be7! Qd5 (16...Qe7 17.Nd6 Double attack (17.Nd6 Decoy); 16...Ke7 17.Nc5 Double attack) 17.Nf6 (17.Nf6 Bf6 18.Bf6 Kf8 19.Qd5 Nc6 20.Rb7 Ne7 21.Rbe7 Re8 22.Re8) 1–0. Bazza3 (2610) – bobby fissure (2080), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.c4 bc3)

    6.Nc3 Qd8 7.d4 Nf6 8.Bb5 Bd7 9.Rb1 g6 10.0-0 (10.Bd7 Nbd7 11.Rb7 Bg7+=) 10...Bg7 (10...Bb5 11.Rb5 b6 12.Ne5=) 11.Bd7+= Qd7 12.Ne5 Qc7 (12...Qc8 13.Qb3 0-0 14.Qb7 Nbd7+-) 13.Qf3 (better 13.Qb3!? 0-0 14.Qb7 Qb7 15.Rb7+-) 13...Nc6= 14.Nd5 Ne5?? (better 14...Qc8 15.Re1 Nd4 16.Nf6 Bf6=) 15.Nc7+- (15.Nc7 Kd8 16.de5 (16.Na8?! Nf3 17.gf3 b6+-) 16...Ne8 17.Rd1 Nd6 18.ed6 e5 19.Qf7 Kc8 20.Ne6 e4 21.Qb7) 1–0. Bazza3 (2580) – bobby fissure (2120), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.c4 bc3)

    6.Nc3 Qa5

    7.Qb3 Nc6 8.d4 (8.Bb5 Nf6=) 8...e6 9.Bb5 Bb4 10.Bd2 Nge7 11.0-0 0-0 12.a3 Bc3 13.Bc3 Qb6 Exerts pressure on the isolated pawn 14.Qa4 Nd5 15.Bd2 Bd7 16.Rab1 Qc7 17.Qc2 Rac8 18.Qe4 Nce7 (18...Qd6 19.Bc4=+) 19.Bd3 Ng6 20.Rfc1 Bc6 21.Qg4 (21.Ne5 f5 22.Qe1 Ne5 23.Qe5 Qe5 24.de5 Rfd8=+) 21...Nf6 22.Qg5 Qd8 23.Be3 (23.Bb4 Re8-/+) 23...Bf3 24.gf3 Rc1 25.Rc1 Nd5 26.Qg3 (26.Qd8 Rd8 27.Bd2 Ngf4-/+) 26...Qd7 (26...Qa5 27.Be4 Qa3 28.Bd5 ed5 29.Rc5-+) 27.Bd2 (better 27.Bg5!?-/+) 27...Qa4-+ 28.Bg6 hg6 (28...fg6?! 29.Qd6 Re8 30.Be3-+) 29.Qd6 Ra8 (29...Qd4 30.Bg5 Ra8 31.Qd7-+) 30.Bb4 (30.Be3 Qb3 31.Re1 a5-+) 30...Qe8 (30...a5!? 31.Bc3-+) 31.Bd2 Rc8 32.Rb1 (32.Rc8 Qc8 33.Kg2 b6-+) 32...b6 (32...Qa4 33.Be3-+) 33.Qe5? (better 33.Rc1-+) 33...Qa4 34.Bb4 (34.Ra1 Qb3-+) 34...a5 35.Bd6 Qc6 36.Qg3 (36.h4 Rd8 37.Bb8 Qc2-+) 36...g5! 37.Bb8 (37.Qg5 Qd6 Deflection) 37...f6 38.Re1 Kf7 39.h3 Ne7 (39...Ne7 40.Qd6 Qd6 41.Bd6 Nf5-+) 0–1. Martinez Fernandez,R (2175) – Candela Perez,J (2350), ch–Madrid Final, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.c4 bc3)

    7.Qb3 Nf6 8.Bb5 Nbd7 9.d4 Ne4 10.Bb2 Nd6 11.0-0 a6 12.Bd7 Bd7 13.Ne5 0-0-0 (better 13...Bf5=+) 14.Ba3+- Be8 (better 14...e6 15.Bc5 Nb5+-) 15.Bb4 Qb6 16.Nd5 Qd4 17.Rfc1?? (better 17.Qc2 Nc4 18.Nc4+-) 17...Kb8+- 18.Bc5 Qa4 (18...Qe5 19.Qb6 Nc8 20.Qd8 Bc6+-) 19.Qb6 (19.Qb6 Qd1 20.Rd1 Nc8 21.Qd8 b6 22.Qc7 Ka8 23.Qc8 Ka7 24.Bb6) 1–0. Bazza3 (2600) – mizuzul (2180), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5 5.c4 bc3 6.Nc3 Qa5)

    7.Bb5 Bd7 8.Rb1 Nc6 9.0-0 e6 10.Qb3 Nf6 11.d4 a6 12.Bc6 Bc6 13.Ne5 Be7 14.Nc6 bc6 15.Qc4 0-0 16.Rb7 Bd6 17.h3 c5 18.d5 Be5 19.Ne4 ed5 20.Nf6 Bf6 21.Qd5 Rad8 22.Qb3 Bd4 23.Bg5 Rc8 24.Be7 Rfe8 25.Bd6 Re6 26.Bc7 Qd2 27.Rb8 Ree8 28.Rc8 Rc8 29.Qb7 Re8 30.Qa6 Qe2 31.Qc6 c4 32.Qd5 Qd3 33.Qb5 Qe4 34.a4 c3 35.a5 c2 36.Bb6 Bb6 37.ab6= h5 38.Rc1 Qe1 39.Kh2 Qc1 40.Qe8 Kh7 41.Qf7 Qg5 42.b7 Qb5 43.Qc7 Qb7 44.Qc2 Kh6 45.Qf5 Qc7 46.f4 g6 47.Qe5 Qd8 48.Kg3 Kh7 49.Qe4 Qc7 50.Kf2 Qc5 51.Qe3 Qc2 52.Kg1 Qc7 53.g4 hg4 54.hg4 Qd7 55.g5 Qd1 56.Kf2 Qc2 57.Kg3 Qc7 58.Qe6 Qb7 59.Kf2 Qa7 60.Ke2 Qc7 61.Kf3 Qc3 62.Qe3 Qc6 63.Ke2 Qc2 64.Qd2 Qe4 65.Kf2 Qb7 66.Qd4 Qe7 67.Qe5 Qa7 68.Kf3 Qb7 69.Ke3 Qb3 70.Kd4 Qb2 71.Kd5 Qb5 72.Kd6 Qa6?? 73.Ke7 Qb7+= 74.Kd6 Qa6 75.Kd7 Qa4 76.Ke6?? Qe8 77.Kd6 Qd8 78.Kc6 Qa8 79.Kb6 Qa4?? 80.Qc7 Kg8?? 81.Kc5 Qe4?? 82.Qd8+- Kh7 83.Qd7 Kg8 84.Qd5 (84.Qd5 Qd5 85.Kd5+-) 1–0. Fernandez,Dan SIN (2230) – Phadke,So1 (2210), Commonwealth Open, Singapore SIN, 2009. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    7.Bb5 Bd7 8.Rb1 Nc6 9.0-0 Nf6 10.Qb3 e6 11.d4 a6 12.Bd3 Bd6 13.Bd2 Qh5 14.Qb6 (14.Rfe1!?=) 14...0-0=+ 15.Rfe1 (15.Qb7?? Rfb8 16.h3 Rb7 17.Rb7 Ra7 18.Ra7 Na7 19.Ba6 Qg6-+) 15...Nd5 (15...Rab8 16.h3=+) 16.Qb7 (16.Nd5 Qd5 17.Be4 Qa2+=) 16...Ra7=+ 17.Qb2 Rb8 18.Qc1 Ncb4 19.Nd5 ed5?? (better 19...Nd3 20.Rb8 Bb8=) 20.Rb4 (20.Bb4 Rb4 (20...Bb4?? 21.Rb4 Rd8 22.Ne5+-) 21.Rb4 Bb4+-) 20...Rb4 (20...Bb4 21.Bb4 f6+- (21...Rb4?? 22.Qc8 Bc8 23.Re8)) 21.Qc8! Bf8 (21...Bc8 22.Re8 Double attack (22.Re8 Decoy)) 22.Bb4 Bc8 23.Re8 g5 24.Rf8 Kg7 25.Rc8 f6 26.Bf8 Kf7 27.Bc5 Rb7 28.h3 g4 29.hg4 (29.Rh8 Ke6 30.hg4 Qg4+-) 29...Qg4 30.Rh8 Ke6 (30...Rb2 31.Rh7 Kg8 32.a3+-) 31.Ra8 h5 32.Ra6 Kf7 33.Ra8 h4 (33...Kg7 34.Bf8 Kg8 35.Bd6 Kg7 36.Bg3+-) 34.Rh8 Qf4?? (34...Rb2 35.Rh4 Qc8 36.Rh7 Kg8+-) 35.Rh7 Ke6 (35...Kg8 36.Rb7 h3+-) 36.Rb7 Qc1 37.Bf1 1–0. Bach,Matthias – Ditmas,Hugh, VMCG Schachfestival Open, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    7.Bb5 Bd7 8.Rb1 Nc6 9.0-0 Nf6 10.Qe2 a6 11.Bd3 b5 12.Bb2 e6 13.Rfc1 Ba3 14.Ne4 Nd5 15.Ba3 (15.Bg7!? Rg8 16.Nf6 Nf6 17.Bf6 Bc1 18.Rc1+=) 15...Qa3=+ 16.Nc5 Rc8 (worse 16...Qa2 17.Be4 Nce7 18.Ne5+-) 17.Nd7 (17.Be4 A) 17...Qa2? 18.Ra1 Nd4 19.Qe1+- (19.Ra2?? Ne2 20.Kf1 Nc1-+; worse 19.Nd4 Rc5 20.Qe1 Rc1 21.Qc1 Qc4 22.Qc4 bc4-/+); B) 17...Nd4 18.Nd4 Rc5 19.Rc5 Qc5-/+) 17...Kd7 18.Re1 Rhd8 (18...Nf4 19.Qe3 Nd3 20.Rb3 Qb3 21.ab3 Ne1 22.Qe1-/+) 19.Bh7=+ g6 (19...Qa2?! 20.Ra1 Qb2 21.Be4=) 20.h4 (20.Ng5 Qe7 21.h4 Nd4-/+) 20...Ke7 (20...Qd6 21.a4 Nf4 22.Qf1=+) 21.Ng5 Qd6 (worse 21...Qa2 22.Bg6 Nd4 23.Qe4+-) 22.Qf3 Nf6 0–1. Back_Rank_Amateur (2485) – Bazza3 (2600), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    7.Bb5 Bd7 8.Rb1 Nc6 9.Ba4 Rb8 10.Rb5 Qd8 11.Qb3 Na5 12.Ra5 Qa5 13.Bd7 Kd7 14.Nb5 (better is 14.Qf7!? Nh6 15.Qf4-/+) 14...e6-+ 15.Ne5 Ke8 16.Qc4 Bb4 (16...Nh6 17.Nc7 Ke7=) 17.a3= a6 18.ab4 ab5 (18...Qb5?? 19.Qc7 Nf6 20.Nf7+-) 19.Qc5 (worse is 19.ba5 bc4 20.Nc4 Ne7-/+) 19...Qd8 20.Qb5 Ke7 21.Qc5 Ke8 22.0-0 (22.Qb5!? Ke7 23.Qc5 Ke8 24.Qb5=) 22...Ne7 23.Qb5 Nc6 24.Bb2 Qd5 25.Qd5 ed5 26.Re1 Ne7 27.Bd4 f6 28.Bc5 fe5 29.Re5 Kd8 30.Be7 Kd7 31.Bg5 Kc6 32.Be3 Rbe8 33.b5 Kd6 34.Rg5 g6 35.g3 Re4 36.Bf4 Kc5 37.Be3 Kb5 38.Rd5 Ka4 39.Rd7 b5 40.d3 Ree8 41.Bd4 Re1 42.Kg2 Rc8 43.Rh7 Rd1 44.Ra7 Kb3 45.Be5 Rd3 46.Ra6 Rg8 47.Rb6 Kc4 48.Rc6 Kd5 49.Rd6 Ke4 (worse is 49...Ke5 50.Rd3 b4 51.f4 Ke6 52.Kf3=) 50.Re6 b4 51.Bg7 Kd5 52.Rg6 b3 53.h4 Rd2 54.Rg5 Ke6 55.Re5 Kd6 56.Rb5 Rg7 57.Rb6 Kc5 58.Rb3 Rf7 0–1. Scherer,Andreas (2430) – Traut,Gerhard (2345), RSS7E pro–137, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    7.Bb5 Nd7 8.0-0 Ngf6 9.Qb3 e6 10.Re1 Be7 11.Ng5 0-0 12.Ne6 Nc5 13.Nc5 Bc5 14.h3 Be6 15.Qa4 Qb6 16.Qf4 Rad8 17.Rb1 Rd4 18.Qf3 Qd6 19.d3 Bb4 20.Ne4 Ne4 21.Re4 Re4 22.Qe4 Bc5 23.Bf4 Qd5 24.Qd5 Bd5 25.Rc1 Bb6 26.a4 h6 27.Be3 Rd8 28.Bb6 ab6 29.Rc7 g5 30.g3 Kg7 31.Kf1 Rd6 32.Ke2 Bg2 33.Bc4 Rf6 34.h4 gh4 35.gh4 Bf3 36.Ke3 Bc6 37.f4 Ba4 38.Rb7 Kg6 39.d4 Kh5 40.Bf7 Kh4 41.d5 Bd1 42.Be6 Bg4 43.Rf7 Rg6 44.f5 Rg8 45.Rh7 Ra8 46.Rh6 Kg5 47.Rg6 Kh5 48.Kf4 Ra4 49.Ke5 b5 50.Rg8 1–0. Sipila,V (2315) – Cramling,P (2495), XLI Rilton Cup, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    5.c4 Qd8

    6.a3 e5 7.Bb2 (7.Ne5? Qd4 8.Qa4 Nd7 9.ab4 Qe5 10.Be2 Bb4-+) 7...e4 8.Ne5 ba3 9.Na3 Nf6 10.Qa4 Bd7 11.Qb3 Nc6 12.Be2 (12.Qb7? Rb8 13.Qa6 Rb2 14.Nc6 Bc8 15.Nd8 Ba6-+) 12...Bc5 13.Qg3 (13.Qb7?? Rb8 14.Qd7 Nd7 15.Nc6 Qb6 (15...Rb2?! 16.Nd8 Kd8 17.Nb5=) 16.Bg7 Bf2 (16...Qc6?! 17.Bh8 f6 18.Bg7-+) 17.Kf1 Bh4-+ (worse is 17...Qc6 18.Bh8 Bc5 19.Nc2-+)) 13...Ne5 14.Be5 0-0 15.0-0 Re8 16.d4?? (better is 16.Rfb1-/+) 16...ed3!-+ 17.Bd3 (17.Bd3 Nh5 Combination; 17.Qd3 Re5 Deflection) 17...Nh5 18.Bh7 Kh7 19.Qc3 (19.Qd3 Kg8 20.Bb2 Nf4-+) 19...Qg5 (19...Qg5 20.Qd3 Bf5-+) 0–1. Hrabinska,M (2270) – Krzyzanowski,M (2425), Najdorf Mem Open A, 2015. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    6.d4 e6 7.a3 Nf6 8.Bd3 (8.Be2 Nc6=) 8...Nc6=+ 9.Bb2 ba3 10.Na3 Bb4 11.Kf1 Be7 12.Nc2 0-0 13.g4 (13.Bc3 Qc7=+) 13...b6 (13...Ng4!? 14.Kg2 g6-/+) 14.Rg1=+ Bb7 (14...Qc7 15.g5 Nh5 16.Ne3=+) 15.Rg3 (15.g5 Nh5=+) 15...Nb4 (15...g6 16.Kg1-/+) 16.Nb4=+ Bb4 17.Qe2 Re8 (17...b5 18.c5 Qd5 19.Bb5=+) 18.Ne5= g6 19.Qe3 (19.Rh3 Qe7=) 19...Bf8 (better 19...Nd7!?-/+) 20.Qf4+= Bg7? (better 20...Bd6+=) 21.g5+- Nh5?? (21...Qe7 22.gf6 Qf6+-) 22.Qf7 Kh8 23.d5 (23.d5 Qe7 24.Ng6 hg6 25.Bg7 Ng7 26.Qg6+-; 23.Qb7?! Ng3 24.hg3 Be5+=) 1-0. Rahul Kumar,P (2145) - Stachanczyk,J (2160), Przepiorka Mem, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    6.d4 e6 7.Bd3 Nf6 8.0-0 Be7 9.a3 Nc6 10.Bb2 0-0 11.Re1 b6 12.Ne5 Bb7 (12...Nd4? 13.Bd4 Bb7 14.ab4 Bb4 15.Nc3+-) 13.Nc6 Bc6 14.ab4 Bb4 15.Re3 g6 16.Na3 Re8 17.Nc2 Bf8 18.Qe2 Bg7 (18...a5 19.Qe1-/+) 19.Nb4+= Bb7 20.Bc2 Qc7 21.Bb3 Nh5 22.g3 Red8 23.Rd3 White plans d5 23...a5 24.Nc2 Bc6 25.Na3 Qb7 (25...a4!? 26.Bc2 Qe7-/+) 26.d5+= ed5 27.cd5 Be8 (27...Bd5?! 28.Rad1 Qa6 29.Bc4= (29.Bd5? Rd5 30.Bg7 Rad8 31.Rd5 Qe2 32.Rd8 Kg7-+)) 28.Bg7 Ng7 29.Qd2 b5 30.d6 Bc6 31.Bd5 Rd6 32.Bc6 Rc6 33.Rd8 Ne8 34.Ra8 Qa8 35.Nb5 a4 (35...Rc5 36.Nc3-/+ (36.Ra5?? Qc6 37.Ra1 Qb5-+; 36.Qa5?? Rc1 37.Rc1 Qa5-+)) 36.Qd4? (better is 36.Nc3!?+=) 36...Qa5-/+ 37.Na7 (better is 37.Qd3!?-/+) 37...Rd6?? (better is 37...Ra6 38.Qd7 Nf6 (38...Ra7?! 39.Qe8 Kg7 40.Ra3-+) 39.Qc8 Kg7-+) 38.Qa4= ½–½. Petrekanovic,M (2100) – Smolovic,M (2305), Letnji Open Jezero, 2015. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    6.d4 e6 7.Bd3 Nf6 8.0-0 Be7 9.Nbd2 Nbd7 10.Bb2 0-0 11.Re1 b6 12.Qe2 Bb7 13.Rad1 (13.d5 Nc5 14.Bf5 g6=) 13...Re8 14.Ng5 Nf8 15.f4 (15.Ndf3 h6 16.Ne4 Be4 17.Be4 Ne4 18.Qe4 Bf6=+) 15...h6 (15...Qc7 16.Nh3-/+) 16.Ngf3=+ a5 17.Ne5 Bd6 18.Ndf3 a4 19.Rf1 b5 (better 19...N8d7!?=+) 20.c5+= Be5 (20...Bc7 21.Bb5 Re7 22.Nc6 Bc6 23.Bc6+=) 21.de5 (21.fe5 N6d7+/-) 21...Nd5 22.Bb5 Rc8 23.f5 (23.Be8 Qe8 24.Rc1 Nf4+=) 23...ef5 (23...Bc6 24.Ba6 Rc7 25.Nd4+=) 24.Ba4 (24.Be8 Qe8 25.Nd4 f4+=) 24...Rc5 (24...Re7 25.Nd4 Qa5 26.Nf5+/-) 25.Be8 Qe8 26.Nd4 f4 27.Nf5 Ne6 28.Nd6 (28.a3 Nc3 29.Bc3 bc3+/-) 28...Qd7 29.Nb7 (29.Bd4 Rc7 30.Rd2+= (worse 30.Nb7 Nd4 31.Rd4 Nc3 32.Rd7 Ne2 33.Kf2 Rd7 34.Ke2 Rb7=)) 29...Qb7= 30.Qe4 (30.Bd4 Nc3 31.Bc3 bc3=) 30...Qc6 (30...Qa7 31.Bd4 Nd4 32.Qd4-/+) 31.Rc1 g5 (31...Qa8 32.Rf2=) 32.Rfd1 (32.a3 b3+/-) 32...Rc1 (32...Ne3 33.Qc6 Rc6 34.Rc6 Nd1 35.Bc1+/-) 33.Rc1 (33.Bc1?! Qc5 34.Kh1 Nc3 35.Qa8 Nf8=+) 33...Qb6 34.Kh1 Ne3? (34...Qa5!?+=) 35.Rc8+/- Kg7 36.Qa8 Kg6 (36...Qb5 37.h3 Qe2 38.Rg8 Kh7 39.Rh8 Kg6 40.Qe4 Kh5 41.Qf3 Qf3 42.gf3=) 37.Rc6 Qb5 38.Qg8 Kh5 39.Qf7 Kh4 40.g3?? (better 40.Rc1 Qd5 41.Rg1 Ng2 42.Rg2-+) 40...fg3 41.hg3 Kg3 42.Rc1 (42.Kg1 Qe2 43.Qf3 Qf3 44.Re6 Qd1) 42…Qd5 (42...Qd5 43.Qf3 Qf3 44.Kg1 Qg2) 0-1. Gareev,T (2605) - Mishra,Abhimanyu (2350), PNWCC Online Blitz JP, 2021. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    6.d4 Nf6 7.Bb2 g6 (7...e6 8.Bd3=+) 8.a3 (8.Bd3 Na6=) 8...ba3=+ 9.Ra3 Bg7 10.Be2 (10.Bd3 0-0=+) 10...0-0 11.0-0 b6 (11...Bf5 12.Nc3=+) 12.Ne5 (12.Nc3 a6=+) 12...Bb7 13.Bf3 Qc8 14.Nc3 Nbd7 15.Re1 (15.Qe2 Bf3 16.Qf3 Ne5 17.de5 Nd7=+) 15...e6 (15...Rd8 16.Qe2=+) 16.Nb5= Bf3 17.Rf3 (17.Qf3 Ne5 18.de5 Nd7 19.Na7 Qc4=) 17...Ne5 (17...a6 18.Nd6 Qc7 19.Ba3=+) 18.de5 Nd7 (18...Rd8 19.Nd6 Qc6 20.Qc1=) 19.Qd4 (better 19.Qe2=+) 19...Qc6-+ 20.Qh4 Rad8 (20...a6 21.Nd6 Ra7 22.Bd4=+) 21.Rd3 (21.Rh3!? h5 22.Na7=+) 21...a6-/+ 22.Rd6 (22.Nc3 h6-/+) 22...Qa8 23.Nc7? (better 23.Na3!? Ne5 24.Be5 Be5 25.Rb6-/+) 23...Qc8 (23...Qb7 24.Ne6 fe6 25.Re6-+) 24.Rc6 Qb7 25.Ne6 fe6 (25...Qc6?! 26.Nd8 Qa4 27.Qe7 Be5 28.Be5 Ne5 29.Re5 Qd1 30.Re1 Rd8 31.h3-/+) 26.Re6 Rde8 (26...Nc5 27.Re7 Rd7 28.Rd7 Qd7 29.Qd4-+) 27.Re7 Re7 28.Qe7 Nc5 29.Qd6 (29.Qb7 Nb7 30.Bd4 Na5-+) 29...Qf7 30.Bd4 (30.Rf1 Qc4 31.Qb6 Nd3-+) 30...Qc4 31.h3 Re8 32.Re3 (32.Bc5 Qc5 33.Qc5 bc5-+) 32...Bf8 33.Qc6 (33.Rc3 Bd6 34.Rc4 Be5 35.Bc5 bc5 36.Rc5-+) 33...Re6 (33...Qd4?! 34.Qe8 Qa4 35.Qc8-/+) 34.Qc8 Qd4 35.Rf3 (35.Qc7 Ne4 36.Qc8 Re5 37.Qa6 Nf2 38.Qa2 Kg7 39.Re5 Ng4 40.Kf1 Qd1 41.Re1 Nh2 42.Kg1 Qe1 43.Kh2 Bc5 44.Qa7 Kh6 45.Qa1 Bd6 46.Qe5 Be5 47.g3 Qg3 48.Kh1 Qh2) 35...Qa1 (35...Qa1 36.Kh2 Qe5 37.g3 Rf6 38.Rf6 Qf6-+) 0–1. Gareev,Timur (2605) – Vorontsov,Pavlo (2535), 53. American Open, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    6.d4 Nf6 7.Nbd2 Bf5 8.Qa4 Qd7 9.Qb4 e5 10.Qb5 Qb5 11.cb5 e4 12.Ne5 Nbd7 13.Bb2 Nd5 14.a3 Rc8 (14...Rd8 15.Ndc4=+) 15.Rc1 Rc1 16.Bc1 Ne5 17.de5 Be7 18.Bc4 Nb6 19.Bb3 0-0 20.Ke2 Rd8 21.Rd1 Kf8 (21...Rd3 22.h3=) 22.f3 ef3 23.Nf3 (worse 23.Kf3 Rd3 24.Kf4 Bg6-/+) 23...Rc8 24.Bd2 h6 25.a4 Nd7 26.Be3 Nc5 27.Bc5 Bc5 28.Rc1 b6 29.h3 Rd8 30.Bc4 Ba3 31.Rc3 Bb4 32.Rb3 Be7 33.Bd3 Be6 34.Rc3 Bc5 35.Bc2 Bc8 36.Be4 Ke8 37.Rd3 (37.a5 Bd7 38.Bd3 Bb4=) 37...Be6 38.Rd8 Kd8 39.Kd2 Bb3 40.Bc2 Bd5 41.Kc3 Ke7 42.Bf5 (42.Bb3 Ke6=) 42...Bf2 43.Bd3 f6 (43...Ke6 44.Bc4=+) 44.Bc4 Ba8 45.ef6 Kf6 46.Kd3 (46.Bd3 g5=) 46...Bc5 47.Ke2 Kf5 48.g3 Bb7 49.Bd3 Kf6 50.h4 Bc8 ½–½. Bazza3 (2605) – juliangon (2690), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    6.d4 Nf6 7.Nbd2 Bf5 8.Qa4 Qd7 9.Qb4 e5 10.Qb5 Qb5 11.cb5 e4 12.Ne5 Nbd7 13.Nec4 Be6 14.a3 Rc8 15.g3 Be7 16.Ne3 Bd8 17.Bg2 Ba5 18.Bb2 Nb6 19.Rc1 0-0 (19...Rc1 20.Bc1 Nbd5 21.0-0=) 20.Ke2= Bd7 21.Ne4 (21.Rc8 Bb5 22.Kd1 Rc8 23.Ne4 Ne4 24.Be4 Na4-/+) 21...Bb5 22.Kd1 Ne4 (22...Rc1 23.Bc1 Ne4 24.Be4=) 23.Be4 Nc4 24.Nc4 Bc4 25.a4 (25.Bb7!? Rc7 26.Be4=) 25...Rfe8=+ 26.f3 b5 (26...Bb3 27.Ke2=+) 27.ab5= Bb3 28.Ke2 Rc1 29.Rc1 (worse 29.Bc1 f5-+) 29...f5 30.Bc3 (30.Kd3 fe4 31.fe4 Ba4-/+) 30...Bb6 (30...Bc3!? 31.Rc3 Ba4-/+) 31.Kd3= fe4 32.fe4 Ba4 33.Rb1 Rf8 34.Ke3 Kf7 35.Kd3 Kg6 36.Ke3 Rc8 (36...Rb8 37.Rb4 Bb5 38.Rb5 Bd4 39.Bd4 Rb5 40.Ba7=+) 37.Kd2 Rf8 38.Ke3 Rf7 39.h3 h5 40.h4 Rf6 41.Bd2 Kf7 42.Bc3 (42.Rb2 Bd1 43.Kd3 Rf3 44.Kc4 Rg3-+) 42...Rg6-+ 43.Be1 Rd6 (43...Re6 44.Rb2-/+) 44.Bc3=+ Rg6 45.Be1 Bc2 (45...Re6 46.Rb2-/+) 46.Rc1 Bb3 47.Rb1 Bc4 48.Rb4 Bf1 49.Rb1 (49.Rb2 Ke8-+) 49…Rg4 0–1. Bazza3 (2490) – juliangon (2670), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    6.d4 Nf6 7.Be2 e6 8.0-0 Nc6 9.a3 Be7 (9...b6 10.Bb2=) 10.ab4 Nb4 11.Nc3 0-0 12.Ne5 Nd7 13.f4 f6 14.Ng4 Nc6 15.Kh1 (15.Be3 Nb6=) 15...f5 16.Ne3 Bf6 17.Nc2 a6 (17...Nc5 18.Ba3 Nb3 A) worse is 19.Bf8 Na1 (19...Qf8?! 20.Rb1 Ncd4 21.Nd4 Nd4 22.Nb5=) 20.Qa1 Qf8-/+; B) 19.Rb1 Ncd4 20.Bf8 Kf8 21.Nd4 Nd4 22.Bf3=) 18.Ra3 Kh8 (18...Re8 19.Rf3=) 19.Be3 b6 20.Nb5 (20.Qb1 Bb7=) 20...Rb8 (20...Be7 21.Ra4 Nf6+=) 21.Nd6 (better is 21.d5!? Ne7 22.Nd6=) 21...Be7-/+ 22.c5 (22.d5 ed5 (worse is 22...Bd6 23.dc6 Ba3 24.Na3+=) 23.Qd5 Nf6 24.Qc6 Bd6-/+) 22...Bd6 23.cd6 Nf6 24.Bf2 (24.Ba6!? Ba6 25.Ra6 Qd6 26.Qf3-/+) 24...Qd6-+ 25.Bh4 Nd5 26.Rh3 g6 (26...b5 27.Bd3-+) 27.Qe1 (27.Bg5 Bb7-+) 27...Rb7 (27...b5!?-+) 28.Ba6-/+ Rbf7 (28...Ra7 29.Bb5 Kg8 30.Ra3 Ra3 31.Na3 Nd4 32.Qd2 Nb5 33.Nb5-+) 29.Bc4 Nf6 (29...Ra7 30.Bg5-/+) 30.Bb5 (30.Bf6 Rf6 31.Qh4 R6f7+=) 30...Ne7 31.Bg5 Ne4+= 32.Bh4 Bb7 33.Ne3 Bd5 34.Bc4 Rc8 35.Bd5 Nd5-+ 36.Rff3?? Rfc7 37.Bg5 Ne3 (37...Ne3 38.Re3 Rc1-+) 0–1. Kuiper,Willem (1800) – Rebers,Eugene (2240), Vlissingen NED, 2014. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Qd5)

    4.ed5 Nf6

    5.a3 Nd5 6.ab4 Nb4 7.Bb2 N8c6 8.Na3 Bf5 9.Be2 e6 10.0-0 Bd6 11.d4 0-0-/+ 12.c3 Nd5 13.Nc4 Bc7 14.Bd3 Bd3 15.Qd3 Nf4 16.Qe3 b5 17.Nce5 Be5 18.de5 Nd5 19.Qc5 Qb6-+ 20.Ba3 Qc5 21.Bc5 Rfc8 22.Rfb1 a6 23.Bb4 a5 (23...a5 24.Ba5 Na5 25.Rb5 Nc6 26.Ra8 Ra8-+) 0–1. Thomas,Andrew – Gligoric,Svetozar, Hastings5152, 1951.

    5.a3 Nd5 6.ab4 Nb4 7.d4 Bf5 8.Na3 e6 9.c3 N4c6 (9...Nd5 10.Qb3=+) 10.Qb3 (10.Nc4 Nd7=+) 10...Na5 11.Qa4 (11.Qb2 Be7=+) 11...Nbc6-/+ 12.Nc2 (12.Bg5 f6 13.Bd2 Be4-/+) 12...Be7 (12...a6 13.Nb4-/+) 13.Ne3 Be4 14.Be2 (14.Nd2 Bg6-/+) 14...0-0 (14...a6 15.Ne5-/+) 15.0-0 (15.Ne5 a6-/+) 15...a6 16.Nd2 b5 17.Qd1 Bg6 18.Nf3 (better 18.Bf3-/+) 18...Be4 (18...Qc7 19.Ba3-/+) 19.Nd2=+ Bg6 20.Nf3 Ra7 (20...Qc7 21.Re1-/+) 21.Ng4 (21.Re1 Qc7-/+) 21...Bh5 (21...Qc7 22.Ba3-/+) 22.Nfe5 Ne5 23.Ne5 Be2 24.Qe2 Nb3 (24...Qc7 25.Ba3 Nc6 26.Nd3-/+) 25.Nc6=+ Qa8 (25...Na1? 26.Nd8 Rd8 27.Qb2+-; worse 25...Nc1 26.Rfc1 Qc7 27.Na7 Qa7 28.Qb5 Qd4 29.Qa6+-) 26.Ne7 Re7 27.Ba3 Rc7 (27...Na1 28.Be7 Re8 29.Ra1 Re7 30.Qb5 Rb7= (30...ab5?? 31.Ra8 Re8 32.Re8)) 28.Rab1 (better 28.Bf8!? Qf8 29.Ra6 Rc3 30.Qb5 Nd4 31.Qe5+-) 28...Rc3=+ 29.Bf8 Qf8 30.Qa2 (30.Qd1 Na5=) 30...Nd4=+ 31.Qa6 e5 (31...Ra3 32.Qb7=+) 32.Qb7 Qc8 (32...Rc8 33.Rfe1 f6 34.Ra1=+) 33.Qe4= Qe6 (33...f6 34.Ra1 Qe8 35.f4=) 34.Rfe1 Rc5 35.f4 g6 (35...Nc6 36.Ra1 g6 37.Qe3=) 36.fe5 Nc6 37.Rbc1 (37.Qf4 Ne5 38.Re3 Qd6=) 37...Re5=+ 38.Qb1 (38.Qh4 Re1 39.Qe1 Ne5=) 38...Nd4 39.Re5 (39.Kh1 Re1 40.Re1 Qc6=+) 39...Qe5 40.Re1 Qf6 (40...Qc5 41.Re8 Kg7 42.Qb2=+) 41.Re8 Kg7 42.Qb4 Ne6 43.h3 ½–½. Djosic,Slavoljub (2295) – Radovanovic,Mihajlo (2365), 1. League Central–SRB, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Nf6)

    5.a3 Nd5 6.ab4 Nb4 7.d4 Bf5 8.Nh4?? e6 9.Bb5 N8c6 10.c3?? a6 11.Be2?? Nd5 12.Qb3?? Nc3?? 13.Qb7?? Na5 14.Qb2?? Rb8 (14...Rb8 15.Nc3 Rb2 16.Bb2 Nb3 17.Ra6 Qh4 18.Ra8 Ke7-+; 14...Bb1?! 15.Qc3 Rc8 16.Qe3 Bb4 17.Kf1-+; 14...Nb1 15.Nf5 Rb8 16.Qc2 Bb4 17.Kf1 ef5 18.Rb1 Qd4 19.Qf5=; 14...Qh4?! 15.Nc3 Qd4 16.Ra5=; 14...Ne2 15.Nf5 Nc1 16.Qc1 Bb4 17.Ke2 ef5 18.Qe3 Kd7 19.Qf3 Qe7 20.Kd3-+) 0–1. Thomas,Andrew – Schmid,Lothar, Hastings5152, 1951.

    5.a3 Nd5 6.ab4 e6 7.b5 Be7 8.d4 0-0 9.Bd3 Nd7 10.0-0 Nb4 11.Be2 Qc7 12.c3 Nd5 13.c4 Nf4 14.c5 a5 15.Bc4 Ng6 16.Nc3 b6 17.c6 Nf6 18.g3 (18.Ba3 Ba3 19.Ra3 Rd8+=) 18...Bb4 19.Qb3 Rd8 20.Bg5 h6 21.Bf6 gf6 22.Rfd1 Ne7 23.Kg2 Kg7 24.Ne2 Ng6 25.h4 Rg8 26.h5 Ne7 27.d5 e5 28.d6 Bd6 29.Bf7 Rd8 30.Qc4 Bb4 31.Bg6 (31.Be6!?+=) 31...Ng6= 32.hg6 Kg6 33.Nh4 Kg7 34.Qc2 (34.Qc2 Rd6 35.Qg6 Kf8 36.Qh6 Qg7 37.Qh5+=) 1–0. Faber,Hans_Alban (2460) – Scheer,Walter (2220), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    5.Bc4 Nd5 6.0-0 Nc6 7.d4 Bg4 8.Bb2 e6 9.Nbd2 Be7 10.Qe1 0-0 11.Ne5 Ne5 12.de5 Bf5 13.Ne4 Rc8 14.Bb3 Qc7 15.c4? (better 15.Bd4-+) 15...bc3 16.Rc1 Be4 (16...Bb4!? 17.Ba1 Ba3 18.Nd6-+) 17.Qe4 Qa5 18.Ba1 Rfd8 19.f4 (19.Qf3 Bb4-+) 19...Qb6 (better 19...Ba3!? 20.Bc2 Qb6 21.Kh1-+) 20.Kh1 Ne3 21.Rf3 Ng4 22.Rc2?? (better 22.Qe1-+) 22…Rd1 (22...Rd1 23.Qe1 Re1 24.Rf1 Rf1) 0–1. Low,Frank (1665) – Lam,Ross (1925), Australian Reserves, 2018. (=1.Nf3 c5 2.b4 cb4 3.e4 d5 4.ed5 Nf6)

    5.Bc4 Nd5 6.0-0 Bg4 7.d4 Nc6 8.Nbd2 Nd4?? (8...e6 9.Qe1-/+) 9.Bb2?? (better is 9.Nd4 Bd1 10.Bb5 Qd7 11.Bd7 Kd7 12.Rd1+/-) 9...Nf3 (9...Nc6!? 10.h3 Bf5 11.Nh4-+) 10.Nf3-/+ Nb6?? (better is 10...e6-/+) 11.Bf7+= Kf7 12.Ne5 Ke8 13.Qg4+- Qd5 14.Qb4 Rd8 15.Rad1! Qe6 16.Qb5 Nd7 17.Rd7 Rd7 18.Rd1 (18.Rd1 a6 19.Qd7 Qd7 20.Rd7+-; 18.Nd7?! Qd7 19.Qh5 g6+-; 18.Qd7?! Qd7 19.Nd7 Kd7 20.Rd1 Kc7+/-) 1–0. Rover,W – Cody,Philip C, CCCA corr Canada, 1956. (=1.e4 c5 2.b4 cb4+= 3.Nf3 d5 4.ed5 Nf6)

    5.c4 bc3

    6.Qa4 Bd7 7.Qb3 cd2 8.Bd2 Qb6 9.Qb6 ab6 10.Nc3 Na6 11.Rb1 Nc7 Attacking the isolated pawn on d5 12.Rb6 Ncd5 13.Rb7 Nc3 14.Bc3 e6 (better 14...Bc6!? 15.Rb2 Nd7=) 15.Ne5+- Rd8 (better 15...h5+-) 16.Nd7+- Nd7 17.Bb5 h5 (17...Bd6 18.Ke2+- (18.Bg7?! Rg8 19.Bc3 Rg5+-)) 18.Ba5 (18.Ba5 Ra8 19.Bd7 (19.Rd7?! Ra5 20.Rb7 Kd8+-) 19...Ke7 20.Bb5 Kf6 21.Bc3 Kg6 22.a4+-) 1–0. Bazza3 (2470) – bobby fissure (2195), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Nf6)

    6.Qa4 Bd7 7.Qb3 cd2 8.Bd2 Qb6 9.Qb6 ab6 10.Nc3 e6 11.de6 Be6 12.Bb5 Nc6 13.Nd4 (13.0-0 0-0-0=+) 13...Bd7-/+ 14.Nde2 Bc5 15.0-0 h6 16.Rfd1 0-0 17.Bf4 Be6 18.a4 Rfd8 19.Rab1 Bf5 20.Rd8 Rd8 21.Rd1 Rd1 22.Nd1 Kf8 23.Ne3 Be6 ½–½. Bazza3 (2605) – Back_Rank_Amateur (2495), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Nf6)

    6.Bb5 Bd7 7.Bc4 cd2 8.Nbd2 g6 (8...b5 9.Bb3=+) 9.Rb1 Qc7 (9...b6 10.Ne5 Bf5 11.Bb5 Nbd7 12.Bb2=) 10.0-0 (10.Bb2 b6+=) 10...Bg7 (10...Bf5 11.Rb3=) 11.Ba3 0-0? (11...b5 12.Re1 A) worse 12...bc4 13.Be7 Be6 14.Bf6 Bf6 15.Qa4 Nc6 16.Ne4+- (16.Qc6?! Qc6 17.dc6 0-0-0+=); B) 12...0-0+=) 12.Be7+- Re8? (better 12...Rc8 13.d6 Qc5+-) 13.d6 Qc8 14.Bf7! Kf7 15.Qb3 Be6 16.Ng5 Kg8 17.Ne6 (17.Ne6 Kh8 18.Ng7 Kg7 19.Qb2 (worse 19.Qb7 Qb7 20.Rb7 Nfd7+-) 19...Re7 20.de7+-) 1–0. bulent_2010 (2810) – bobby fissure (2085), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Nf6)

    6.Nc3 Nd5 7.Bb2 Nc6 8.Bb5 Nc3 9.Bc3 Qd5 10.Be2 Bf5 11.0-0 e6 12.Qa4 Bd6 13.Bc4 (13.Bg7? Rg8 14.Nh4 Rg7-/+) 13...Bc2 14.Qc2 (14.Bg7? Ba4 15.Bd5 Rg8 16.Be6 fe6-+) 14...Qc4 15.Rfc1 Rb8 16.Bg7 Qc2 17.Rc2 Rg8 18.Bc3 Rg4 19.Kf1 Rc4 20.Rac1 Nb4 21.Bb4 Rc2 22.Rc2 Bb4 23.Ke2 Bd6 24.g3 Kd7 25.Rc4 h6 26.Rh4 Bf8 27.Ne5 Ke8 28.Ra4 a6 29.Rc4 Rd8 30.Ke3 f6 31.Nd3 Bd6 32.Nc5 b5 33.Rc3 Bc5 34.Rc5 Ke7 35.Rh5 Rh8 36.g4 Kf7 37.Rc5 e5 38.Rc7 Kg6 39.Ra7 Rb8 40.Ra6 b4 41.h4 b3 42.ab3 Rb3 43.d3 Rb4 44.h5 Kg5 45.f3 Rb1 46.Ra8 Re1 47.Kd2 Rb1 48.Rf8 Ra1 49.Ke3 Re1 50.Kf2 ½–½. Scherer,Andreas (2430) – Pischner,Rainer (2305), RSS7E pro–137, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3 d5)

    6.Nc3 Nd5 7.Bc4 Nb6 8.Bb5 Bd7 9.Ba3 Bb5 10.Nb5 a6 11.Nc3 Nc6 12.0-0 Nc4 13.Bc5 e6 14.Bf8 Kf8 15.d3 Nd6 16.Qb3 g6 17.Ne4 Ne4 18.de4 Qe7 19.Rab1 Rb8 20.Qb2 e5 21.Rfd1 Kg7 22.Rd5 Increases the pressure on e5 22...f6 23.Qb6 Rhc8 24.h3 Rc7 25.Rbd1 Rbc8 26.Kh2 Nb8 27.Qe3 b5 28.Rd6 Rc6 29.R6d5 R8c7 30.h4 Rc3 31.Qe1 h5 32.Rd8 Rc8 33.R1d3 R3c7 34.Rc8 Rc8 35.Qd1 Rc7 36.Nd2 Nd7 37.Nb3 Nf8 38.Rd6 Rd7 39.Rd5 Qd8 40.Rd7 Qd7 41.Qc1 Nh7 42.f3 g5 43.Nc5 Qc6 44.hg5 Ng5 45.Qa3 Qd6 46.Kg3 a5! 0–1. Nepustil,Frantisek (2295) – Tasic,Vladimir (2580), WC–2009–S–00009, 2006. (=1.e4 c5 2.b4 cb4 3.Nf3 d5 4.ed5 Nf6)

    3.Nf3 d6

    4.a3 a6 5.d4 (5.ab4 Nf6 6.Nc3 e6+=) 5...g6 (better is 5...ba3!? 6.Na3 Nf6=) 6.ab4+= Bg7 7.c3 e6 8.Bf4 Qc7 9.Qc2 Bd7 10.Na3 Nc6? (better is 10...e5 11.Be3 Nc6+/-) 11.Nb5!+- ab5 (11...Qb6 12.Nd6 Ke7 13.b5+-) 12.Ra8 Ke7 13.Qb3 Nb8 (13...Nf6 14.Rh8 Bh8 15.Bd3+-) 14.Bd3 Nf6 15.0-0 Rd8 16.e5 Ne8 17.ed6 Nd6 18.Ne5 Be5 (18...Bc6 19.Nc6 bc6 20.Qa2+-) 19.Be5 Bc6 20.Qd1 b6 21.Ra3 Qb7 22.Qg4 Ke8 23.Qh3 f5 (23...Be4 24.Be4 Ne4 25.Qh7+-) 24.Rfa1 Qf7 (24...Qe7 25.Qe3+-) 25.Ra7 Nb7 26.Be2 Nd7 27.Bf4 Nf6 28.Bg5 h5 (28...Rd7+-) 29.Bf3 Rc8 (29...Ne4 30.Bd8 Kd8 31.Be4 fe4 32.Qg3+-) 30.Bf6 (30.Bf6 Qf6 31.Bc6 Rc6 32.Rb7+-) 1–0. Mignoni,Yusana (1850) – Filomeno,Bruno (1750), BRA–ch U20 Florianopolis, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 a6)

    4.a3 e5 5.ab4 Nf6 6.Nc3 Be7 7.Bc4 Bg4 8.b5 Nbd7 9.0-0 0-0 10.Re1 Nc5 11.h3 Bh5 12.Bb2 Qd7 13.d3 Ne6 14.Be6 Qe6 15.Re3 Qd7 16.d4 Rfd8 17.de5 Bf3 18.Qf3 de5 19.Rd3 Qe6 20.Rad1 Rd3 21.Rd3 Qc4 22.Qf5 Qc5 23.Nd5 Nd5 24.Rd5 Qc2 25.Be5 Qc1 26.Kh2 Qc8 27.Qf3 Qe6+= 28.Qg3 f6 29.Bf4 Qe4 30.Rd7 Kf8 31.Bd6 Re8 32.Qa3 Qe6?? 33.Be7+- Re7 34.Rb7 Kf7 35.Qa7 Qe5 36.g3 Rb7 37.Qb7 Kg6 38.Qc6 h5 39.h4 Kh6 40.b6 g5 41.hg5 Qg5 42.b7 Qe5 43.Qc8 h4 44.Qh8 Kg6 45.Qh4 Qb8 46.Qg4 Kf7 47.Qc8 Qa7 48.Kg2 Qa4 49.Qc7 Kg6 50.b8Q Qe4 1–0. Greven,R – Van Dam,Jan, Alkmaar ACCOM op, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3)

    4.a3 g6 5.ab4 Bg7 6.d4 Qc7 7.c4 Nf6 8.Nc3 0-0 9.Bg5 Bg4 10.Be2 Bf3 11.gf3 (worse is 11.Bf3 Qc4 12.Ne2 Nc6-/+) 11...Nc6 12.Bf6 ef6 13.b5 Ne7 14.0-0 f5 15.Qd3 a5 16.Rfe1 Rfe8 17.Na4 Nc8 18.Bf1 Nb6 19.Red1 Na4 20.Ra4 f4 21.Qd2 Bh6 22.Kh1 b6 23.Bh3 Qe7 24.Raa1 Ra7 25.Rg1 Bg7 26.Rad1 (worse is 26.Qf4 Bd4 27.Ra2 a4+=) 26...a4 27.Qf4 a3 28.Qd2 a2 29.Ra1 Qh4 30.Bg2 Rea8 31.Rgd1 Bh6 32.Qe2 Ra4 33.Kg1 Qe7 34.h3 Bf4 35.Qc2 Qa7 36.Bf1 Qa5 37.Qb2 Rb4 38.Qe2 Qa3 39.e5 Rb2 40.Qe4 de5 41.de5 Bg5 42.h4 Be7 43.h5 Qc5 (43...gh5? 44.Bd3 Kf8 45.Qh7+-) 44.Be2 Rd8 45.Rd8 Bd8 46.Kg2 Kg7 47.Rh1 f5 48.Qd3 Be7 49.f4 Qa3 50.h6 Kf8 (50...Kf8 51.Qd7 Re2 52.Qc8 Kf7+=) 0–1. Lund,Jens Dahlen (2150) – Zirek,Mehmet (1965), RH–2007–0-00068, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3)

    4.Bb2 Nc6 5.a3 ba3 (5...Qb6 6.Bd3 e5 7.ab4 Nb4 8.Bc4+=) 6.Na3= e6 7.d4 Nf6 8.e5 (better is 8.Bd3!?=) 8...de5-/+ 9.Bb5 (9.de5 Ne4 10.Qd8 Kd8-/+) 9...Bd7 (9...e4 10.Ne5 Bd7 11.Nd7 Qd7 12.Nc4-/+) 10.de5-/+ Nd5 (10...Qa5 11.Qd2 Qd2 12.Nd2-/+) 11.0-0+= Be7 12.Nc4 a6 (12...0-0!?+=) 13.Bc6= Bc6 14.Nd4 (14.Nd6 Bd6 15.ed6 b5+=) 14...Qc7 15.Ba3 0-0 16.Nc6 (16.Be7 Qe7 17.Nc6 bc6+=) 16...Qc6-/+ (worse is 16...bc6 17.Bd6 Qd7 18.Qd4=) 17.Be7 Ne7 (17...Qc4?! 18.Bf8 Kf8 19.Qf3=) 18.Nd6 Rad8 19.f4 (better is 19.Qg4!?-/+) 19...Nf5-+ 20.Ra3?? (better is 20.Qf3 Qf3 21.Rf3 Nd6 22.ed6 Rd6 23.Rb3-+) 20...Qc5 21.Rf2 Qa3 22.Rf3 Qc5 23.Kh1 Qc7 24.Rd3 Nd6 25.ed6 Qd7 26.c4 Rc8 27.Rd4 Rc6 28.Qa4 Rd8 29.h4 Rd6 30.Rd6 Qd6 31.Qa5 Rb8 32.f5 e5 33.c5 Qc6 34.Qc3 e4 35.Qe5 Re8 36.Qg3 b5 37.Kg1 a5 38.Qe3 b4 39.h5 a4 40.g4 b3 41.Qc3 e3 42.f6 e2 43.Qe1 a3 44.g5 b2 45.Kf2 Qc5 46.Kf3 a2 47.Qe2 Re2 48.Ke2 0–1. Anistratov,Dmitrij – Eisenbeiser,Amadeus, St. Petersburg RUS, Blockade Open, 2013. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.c3 bc3 5.Nc3 Nc6 6.d4 e6 7.d5 ed5 8.ed5 Ne5 9.Nd4 Nf6 10.f4 Ned7 11.Nf5 Nc5 (11...Qa5 12.Bd2 Nd5 13.Nb5+=) 12.Qe2 (better is 12.Bb5!? Bd7 13.Qe2 Be7 14.0-0+=) 12...Be7-/+ 13.Ng7? (better is 13.Ne7 Qe7 14.Qe7 Ke7 15.Be3-/+) 13...Kf8-+ 14.Nh5 Bg4 15.Qd2 Nh5 16.Be2 Be2 17.Qe2 (17.Ke2 Bf6 18.Bb2 Qd7-+) 17...Bf6 18.0-0 (18.Qf3 Qa5 19.Bd2-+) 18...Bc3 19.f5 (19.Rb1 Bd4 20.Be3 Qe7-+) 19...Bd4 20.Be3 Qe7 21.Rf3 Ba1 22.Bh6 Ng7 23.Qe7 0–1. Janzen,Thomas – Wegner,Carsten, NRW–chT U20 Germany, 1995. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+=)

    4.Bc4 Nc6 5.a3 Nf6 6.ab4 Ne4 7.b5 d5 8.Be2 Qb6 9.0-0 Nd4 10.Nd4 Qd4 11.c3 Qf6 12.Bf3 Bd7 13.Qb3 e6 14.Be4 de4 15.Ba3 Qe5 16.Bf8 Rf8 17.Na3 Qc5 18.Rfe1 f5 19.Rad1 Rc8 20.c4 Kf7 21.d4 ed3 22.Rd3 Rc7 23.Red1 Be8 24.Rd6 Re7 25.Qc3 Kg8 26.Rd8 Bh5 27.Rf8 Kf8 28.Rd8 Kf7 29.Nc2 a5 30.Rd4 a4 31.h3 Rc7 32.g4? (better 32.Na3=+) 32...e5-+ 33.Rd2 fg4 34.hg4 Bg4 35.Ne3 Be6 36.Ra2? (better 36.Qc2 Qb4 37.Nd5 Bd5 38.Qf5 Kg8 39.Rd5-+) 36…Qb5! (36...Qb5 37.Qa1 Bc4 38.Ra4 e4-+; 36...Bc4 37.Rc2 Qd4 38.Qb4=+) 0–1. rona81 (2080) – marekt (2120), gameknot.com, 2014.

    4.Bc4 Nc6 5.Ng5 e6-/+ 6.d4 Be7 7.Qh5 g6-+ 8.Qg4 h6 9.Nf3 e5 10.Qg3 Nf6 11.de5? Nh5 12.Bf7 Kf7 13.Ng5 hg5 14.Qf3 Kg7 15.ed6 Bf6 16.c3 Qd6 17.0-0 Ne5 (17...Ne5 18.Qd1 Nd3-+) 0–1. mberlin (2190) – pierred (2750), net–chess.com, 2009.

    4.Bd3 Nf6 5.0-0 g6 6.Bb2 Nc6 7.Bc4 Bg7 8.d4? Ne4-+ 9.Qe2 d5 10.Bb3 Bg4 11.Bd5?? Qd5 12.h3 Bd4 13.hg4 Bb2 14.Rd1 Nd4 15.Qe1 Rd8 16.Qb4 Nf3 17.gf3 Qd1 18.Kg2 Ba1 19.Qe4 h5 20.Na3 hg4 21.Qg4 Qh1 22.Kg3 Qh2# 0–1. zeca (1645) – pierred (2760), net–chess.com, 2010.

    4.d4 Qa5 5.c3 bc3=+ 6.Qb3 Qc7 7.Nc3= e6 8.Be3 d5 9.Bb5 Kd8 10.ed5 ed5 11.Nd5 Qd6? 12.Bf4+- Qe6 13.Kf1 Bd7 14.Re1 Qg6 15.Bc7 Kc8 16.Bd7 Kd7 17.Ne5 Ke6 18.Ng6 Kd7 19.Nf8 Kc8 20.Re8# 1–0. marekt – bigj1969, chessworld.net, 2008.

    4.d4 b6 5.a3 ba3 6.Na3 Bb7 7.Bd3 Nd7 8.0-0 Ngf6 9.Re1 e6 10.Ng5 (10.Bg5 Be7=) 10...Be7=+ 11.e5 de5 12.de5 Nd5 13.Nc4 (13.Nh7? g6 14.Nf6 N7f6 15.ef6 Bf6 16.Bb5 Kf8-+) 13...h6 (better 13...Nc5=+) 14.Ne6+= fe6 15.Bg6 Kf8 16.Qf3 N7f6 17.ef6 Bf6 (better 17...gf6!? 18.Qh5 Kg7+-) 18.Ba3+- (18.Re6?! Nb4 19.Be4 Be4 20.Re4 Kg8+=) 18...Kg8 19.Nd6 Bc8?? (19...Qd7 20.Bf7 Qf7 21.Nf7 Kf7+-) 20.Bf7 (20.Bf7 Kf8 21.Be6 Be6 22.Re6+-) 1–0. Reboredo,Daniel (1935) – Ramos,Francis, FICGS, 2015. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.d4 Nd7 5.Bb2 e6 6.Bd3 g6 7.Nbd2 Ngf6 8.0-0 Bg7 9.Nc4 Bf8 10.Ng5 h6 11.Ne6 fe6 12.e5 Rg8 13.ef6 Nf6 14.Qf3 Be7 15.a3 Bd7 (15...Nd5!?+=) 16.Qb7+/- Nd5 17.ab4 Rb8 18.Qa7 Nb4 19.Bc3 Bc6 (19...Nd3 20.cd3 Bc6+/-) 20.Qa5?? (better is 20.Bb4 Rb4 21.Rfb1 Rb1 22.Rb1+-) 20...Qc8?? (20...Nd3 21.Qd8 Kd8 22.cd3+=) 21.Rac1 Ra8?? 22.Qb6 Kf8?? 23.Qb4+- Bd5 24.Nb6 Rb8 25.Nc8 Rb4 26.Bb4 1–0. Villing,Dieter (2180) – Weber,Siegfried Sr, Wch Seniors, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nd7)

    4.d4 e6 5.a3 d5 6.e5 Nc6 7.ab4 Bb4 8.c3 Be7 9.Bd3 Qc7 (9...h6 10.Nbd2=+) 10.0-0 (10.Qc2 h6=+) 10...f6 Black threatens to win material: f6xe5 (10...Bd7 11.Qd2=+) 11.Re1 (11.ef6 A) worse 11...gf6 12.Nh4 Nd8 13.Qh5 Nf7 14.Re1= (worse 14.Bh7 f5 15.Ng6 Nf6 16.Nh8 Nh5-/+); B) 11...Bf6 12.Qc2 h6=) 11...fe5 (11...f5 12.Nh4 g6 13.Nf3-/+) 12.de5 Bc5 (12...g6 13.Qc2 Bc5 14.Ra4=) 13.Ba3 White threatens to win material: Ba3xc5 13...Nce7 (13...Be7 14.Nd4 Nh6 15.Nb5+=) 14.Nd4 (14.Bb5 Kf8 15.Nd4=) 14...Bd4= 15.cd4 White has the pair of bishops. 15...Nh6 (better 15...Nc6!?= must definitely be considered) 16.Bd6+- Here comes the goal–getter 16...Qd8 Black has a cramped position 17.Na3 Bd7 18.Qh5 Kf8 19.Re3 White has a king attack (better 19.Rec1!? Kg8 20.Be7 Qe7 21.Rc7+-) 19...Kg8+= 20.g4 (20.Be7!? is interesting 20...Qe7 21.Rg3+=) 20...Be8= Black threatens to win material: Be8xh5 21.Qh3 (21.Qh4 Nc6 22.Qg3 Bg6-/+ (22...Nd4? doesn't solve anything 23.Qf4 Bg6 24.Qd4+-)) 21...Ng6 (21...Nf7 22.Be7 Qe7 23.f4=+) 22.Rc1 Rc8 23.Rc8 Qc8 Black has a cramped position 24.Qf3 (24.Bf1 Nf7 25.Rc3 Bc6=) 24...Nf7=+ 25.Bg6 (25.Re1 Nh4 26.Qg3 A) 26...Nd6 is the less attractive alternative 27.ed6 (worse 27.Qh4 Nf7=) 27...Ng6 28.Nb5+=; B) 26...Ng5-/+) 25...hg6-/+ 26.Rc3 Bc6 27.Nb5 Nd6 (27...a5!?=+) 28.Na7 (28.Nd6!? Qd7 29.Qd3+=) 28...Qd7 29.Nc6 bc6 30.ed6 Qd6 31.Qg3 Qg3 32.hg3 A rook endgame occured. 32...Kf7 33.Rc6 Rb8 34.Rc7 Kf6 35.Rc3 (35.Rc1 Rb4=) 35...Rb4 Black threatens to win material: Rb4xd4 (35...Rb1 36.Kg2=+) 36.Rd3= g5 37.Kg2 e5 38.de5 Ke5 Black has a new passed pawn: d5. 39.Kf3 d4 40.Ra3 Rb7 (40...Rb5 41.Ra7=) 41.Ra5+= Kf6 42.Ke4 White threatens to win material: Ke4xd4 42...Rb2 43.Rf5 Kg6 44.Rf3 (44.f4 gf4 45.gf4 Rg2+=) 44...Ra2 45.Rf8 Rb2 46.f4 Rb3 Black threatens to win material: Rb3xg3 47.Rf5 Rg3 48.Rg5 The rook dominates 48...Kf6 49.Kd4 g6 50.Ke4 Rg1 51.Kf3 Rf1 52.Kg3 Rc1 53.Re5 A beautiful square! 53...Rg1 54.Kh3 Rh1 55.Kg2 White threatens to win material: Kg2xh1 55...Rb1 56.g5 White wins space 56...Kf7 57.Kf3 Rf1 58.Ke4 Rf2 59.Ra5 Rf1 60.Ra3 Rb1 61.Ra5 Rb6 (61...Rf1 62.Ra7 Kf8 63.Rd7+=) 62.f5 (62.Ra7!? is an interesting alternative 62...Kf8 63.Kd5+=) 62...gf5= 63.Kf5 White has a new passed pawn: g5. 63...Kg7 64.Ra7 Kg8 65.Kg4 Rc6 66.Kh5 Rb6 67.Rc7 Ra6 68.Rb7 Rc6 69.g6 A strong pawn 69...Rc1 ½–½. Melnikov,Alexander (2020) – Pandorf,Horst (1740), Koblenz–ch (2), 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.a3 ba3

    5.Ra3 g6 6.d4 Bg7 7.Nc3 Bg4 8.Bc4 e6 9.Be3 Ne7= 10.h3 Bf3 11.Qf3 Nbc6 12.e5?? de5 13.d5-/+ ed5 14.Nd5 0-0 15.0-0 Rc8 16.Nf6 Bf6-+ 17.Qf6 Nf5 18.Bg5 Qf6 19.Bf6 a6 20.h4 Nd6 21.Be2 Ne4 22.Bg5 Ng5 23.hg5 Nd4 24.Bg4 Rc2 25.Rb1 Rc7 26.Ra5 Re8 27.g3 Ree7 28.Bh3 Rc1! 29.Rc1 Ne2 30.Kf1 Nc1 31.Rd5 Nb3 32.Bg2 Kg7 33.Be4 h6 34.gh6 Kh6 35.Kg2 Kg7 36.Rd6 Nc5 37.Bf3 f6 38.Be2 Rc7 39.Rb6 Rc6 40.Rb1 b5 41.Bb5 ab5 42.Rb5 Ne6 43.Rb4 Rc2 44.Kf3 Nd4 45.Kg2 Kh6 46.Ra4 Rd2 47.Ra6 f5 48.Ra8 e4 49.Re8 Kg5 50.Re5 Nf3 51.Re8 Ne1 52.Kg1 Nd3 53.Rd8 Rf2 54.Rd3 ed3 55.Kf2 Kg4 (55...Kg4 56.Kf1 Kg3-+) 0–1. Mulligan,Allan – Thornton,G (2140), Open, Kaikoura NZL, 2008.

    5.Ba3 Nc6 6.Bb5 Nf6 7.Qe2 d5 8.ed5 Qd5=+ 9.0-0 Bg4-/+ 10.c4 Bf3 11.Qe7?? Be7-+ 12.cd5 Bd5 13.Re1 Be6 0–1. Heck,Karl – Le Roux,Jaun Stefan, IECC, 1996.

    5.Ba3 Nc6 6.Bc4 Nf6 7.d3 e6 8.0-0 Be7 9.Nc3 a6 10.Ne2 0-0 11.Ng3 d5 12.Be7 Qe7 13.ed5 ed5 14.Re1 Qc5 15.Bb3 Bg4 16.h3 Bf3 17.Qf3 Nd4 18.Qd1 Rfe8 19.Ne2 Ne2 20.Re2 Qc3 21.Qe1 Qe1 22.Rae1 Re2 23.Re2 Kf8 24.g4 a5 25.g5 Nh5 26.Bd5 Nf4 27.Re5 Nd5 28.Rd5 a4 29.Rb5 a3 30.Rb1 a2 31.Ra1 Ke7 32.g6 hg6-+ 33.Kf1 Kd6 34.Ke2 Kc5 35.c3 b5 36.Kd2 b4 37.h4 bc3 38.Kc3 Ra3 39.Kb2 Kb4 40.Kc2 f6 41.f3 g5 42.hg5 fg5 43.Kb2 Rb3 44.Ka2 Ra3 (44...Ra3 45.Kb2 Ra1-+; 44...Rd3?! 45.Rf1-+) 0–1. Siemms,Ross – Keller,Dieter, Wch U20 qual–A, 1953.

    5.Ba3 e5 6.Bc4 Bg4 7.c3 Nf6 8.Qb3 Qc7 9.Ng5 Bh5 10.f3 h6 11.Nh3 Nc6 12.0-0 0-0-0 (12...a6!? 13.Bd5 Na5-/+) 13.Qc2 Bg6 14.d3 (14.Qa2!?=) 14...d5+= 15.Bb3 de4 16.fe4 Qb6 17.Kh1 Ng4 18.Nd2 (18.Bc1 Ne3 19.Be3 Qe3+=) 18...Na5 (18...Ne3 19.Nc4 Nc2 20.Nb6 Kc7 21.Nd5 Rd5 22.ed5 Na1 (22...Na3?! 23.dc6 bc6 24.d4=; 22...Ba3 23.Bc2 Bb2 24.dc6+-) 23.Ra1 Ba3 24.Ra3 Ne7-/+) 19.Rfb1= Qc7 20.Qa2 (better is 20.Bf8!? Rhf8 21.Re1+=) 20...Rd3 21.Bf8 Nb3 (21...Rf8 22.Kg1 A) 22...Qc3?? 23.Rc1 Nc6 24.Rc3 Rc3 25.Be6 fe6 26.Qe6 Kc7 27.Qg6+- (27.Qg4?! Rf6+-); B) 22...Nb3?! 23.Nb3 Be4 24.Qa7-+; C) 22...Rfd8-+) 22.Nb3 Rf8 23.Qa7 (better is 23.Qe2 Rh3 24.Qg4 Qd7 25.Qe2=) 23...Rc3?? (23...Be4!? 24.Nf2 Nf2 25.Qf2 b6+=) 24.Qa8 Qb8+= 25.Qa3 Rd8 26.Qb4 Rc7 27.Rd1 Rg8 28.Ra3?? Rc6?? 29.Na5+- Qc7 30.Nc6 bc6 31.Qa4 (31.Qa4 Qb7 32.Rb3 Qb3 33.Qb3+-; 31.Ra8 Qb8 32.Qb8) 1–0. Schwager,P – Seiter,G, EU–ch I17 corr, 1958. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    5.Ba3 Nf6 6.c3 Nc6 7.Qc2 g6 8.Bc4 Bg7 9.d4 0-0 10.0-0 d5 11.ed5 Nd5 12.Qa2 Nb6 13.Bd3 Be6 14.Qe2 Re8 15.Ng5? Bd5-+ 16.f4? e5! 17.de5 Ne5! 18.Ne4 Nd3 19.Qd3 0–1. Jaen,Miguel – Contreras,H (2320), Abel Cardona Open, Cali COL, 2000.

    5.Ba3 Nf6 6.Nc3 Nc6 7.Bc4 a6 8.Bb2 =+.

    5.Ba3 Nf6 6.Nc3 g6 7.d4 Bg7 8.Bd3 0-0 9.0-0 Nc6 10.Bb2 Bd7 11.d5 Nb8 (11...Nb4 12.Nb5-/+) 12.Re1 a6 13.Rb1 Bc8 14.Bc4 Nbd7 15.Ra1 Ng4 16.h3? (16.Nd4 Nge5 17.Be2 Nb6-/+) 16...Nde5?? (better is 16...Nf2 17.Qb1 Qb6-+) 17.Ne5 Ne5 18.Bb3 b5 19.f4 Nd7 20.Qc1 Nc5 21.Nb5? (better is 21.Nd1-/+) 21...Nb3-+ 22.cb3 Qb6 23.Kh1 Qb5 24.Bg7 Kg7 25.Qc3 Kg8 26.h4 Bg4 27.Qg3 Bd7 28.h5 Rab8 29.hg6 fg6 30.Re3 Rf6 31.f5 Rbf8 32.Qh4 R8f7 33.Rh3 Rg7 34.Rc1 gf5 35.Rg3 Rfg6 36.Rg6 hg6 37.Kg1 Qb3 38.Qf2 Rh7 39.Qa7 Kf7 40.Re1 Qb5 41.Qf2 Qc5 42.Re3 Qc1 43.Re1 Qh6 44.Kf1 Bb5 45.Re2 Qh1 46.Qg1-+ Be2 47.Kf2 Qg1 48.Kg1 fe4 49.Kf2 Bd3 50.Ke3 0–1. Damen,Jip – Yue,Tim, NED–ch U12 Rijswijk, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    5.Ba3 Bg4 6.Be2 Nc6= 7.0-0 Nf6 8.Nc3 g6 9.d4 a6 10.d5 Bf3 11.Bf3 Ne5=+ 12.Be2 Bg7 13.Kh1 Rc8=+ 14.Bb2 Nc4 15.Bc4 Rc4 16.f3 0-0 17.Ne2 Qc7 18.c3 Nd7-+ 19.Ra3 a5 20.Qd2 b5 21.Rfa1 Ra8 22.Rc1 Rc8 23.h3 Nc5 24.Nd4? Qb6 25.Nc6 Rc6 26.dc6 Qc6 27.Qd5 Qd5 28.ed5 Nd3 29.Rb1-/+ Nb2 30.Rb2 Bc3 31.Rb5=+ Bb4 32.Re3= Rc7 33.Re2 Ra7 34.Rb8 Kg7=+ 35.g4 f6 36.h4 Bc5 37.Re8 Kf7 38.Rh8 Kg7 39.Rb8 a4-/+ 40.Re8 Kf7-+ 41.Rh8 Kg7 42.Re8 ½–½. Jensen,Dan Bronnum – Madhy,Nezar, Politiken Cup, Copenhagen DEN, 2000.

    5.Bb5 Nc6 6.Ra3 e6 7.Nc3 Nf6 8.0-0 =+.

    5.Nc3 Nf6 6.Ba3 Nc6 7.Bc4 a6 8.Bb2 =+.

    5.Bc4 Nf6 6.Nc3 a6 7.Ra3 e6 8.Ra2 =+.

    5.Bc4 g6 6.c3 Bg7 7.Ba3 e6 8.0-0 Ne7 9.d4 0-0 10.Nbd2 b6 11.Qe2 Bb7 12.e5 d5 13.Bd3 Nbc6 14.h4 Qd7 15.Ng5 Rfe8 16.h5 h6 17.Nh3 Rac8 18.Qg4 Be5 (18...gh5!? 19.Qh5 Rf8=) 19.de5 Ne5 20.Qg3 Nd3 21.Qd3 g5?? (21...Nf5 22.hg6 fg6 23.Rfe1=) 22.f4?? (22.Ne4 Qc6 23.Nf6 Kg7 24.Qh7 Kf6+-) 22...g4? (22...Qc6!? 23.Be7 Re7 24.fg5 d4+/-) 23.Nf2 f5 24.Be7 Qe7 25.Ra7 Ra8 26.Rfa1 Qd6 27.Qd4 g3 28.Nh1 Ra7 29.Ra7 Re7 30.Ng3 e5 31.fe5 Qb8 32.Nf5 Qa7 33.Ne7 Kf7 34.Nd5 (34.Nd5 Bd5 35.Qd5 Kg7 36.Qd4+-) 1–0. Frank,Jozsef (2255) – Suranyi,Pal (2155), HUN–chT3 Hungary, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    5.d4 e6 6.Na3 (worse is 6.Ra3 Nf6 7.Re3 Be7+=) 6...Nf6 7.Bd3 Be7 8.0-0 0-0 9.Re1 Nc6 10.c3 e5 11.h3 a6 12.Nc4 ed4 13.cd4 d5 14.ed5 Nd5 15.Nfe5 Ne5 16.Ne5 Bb4 17.Bd2 Bd2 18.Qd2 Be6 19.f4 Qf6 (19...Qh4!? 20.Be4 Nf4 21.Bb7 Rab8+=) 20.f5= Bc8 21.Rad1 b5 22.Be4 Qd6? (better is 22...Rd8+=) 23.f6+- Bb7 (23...Be6 24.fg7 Rfd8 25.Qh6+/-) 24.Rf1 (24.fg7 Rfe8 25.Qg5 Qf6 26.Qf6 Nf6 27.Bb7 Rab8+-) 24...h6 (24...gf6 25.Qh6 f5 26.Qd6+-) 25.Ng4 Nc3 (25...Nf6 26.Nf6 gf6 27.Bb7 Kg7 28.Ba8 Ra8+-) 26.Nh6 (26.Qc3?! Be4 27.fg7 Kg7+-) 26...gh6 27.Qh6 (27.Bb7 Nd1 28.Qh6 Qd4 29.Kh2 Qd6 30.Rf4 Qf4 31.Qf4 Kh7 32.Qg5 Ne3 33.Qg7) 27...Ne2= Exerts pressure on the isolated pawn 28.Kh1 Ng3 29.Kg1 Ne2 30.Kh1 Ng3 31.Kg1 Ne2 32.Kh1 Ng3 ½–½. Lutovinov,Alexander (2145) – Chistiakov,Mihail (1880), St Petersburg RUS, Chigorin Mem, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3)

    5.d4 Bg4 6.Ba3 Nf6 7.Bd3 Nc6 8.c3 (8.d5 Bf3 9.Qf3 Qa5 10.Nd2 Ne5+=) 8...e6 (8...g6 9.Nbd2=+) 9.0-0 (9.Nbd2=) 9...Nd7 (9...d5!? 10.ed5 Qd5=+) 10.Re1 (10.Nbd2 Be7+=) 10...Be7= 11.Nbd2 0-0 12.Nf1 (12.Qb1 Qc7=) 12...Re8 13.Ng3 (13.Ne3 Bh5=) 13...Qc7 14.h3 Bf3 15.Qf3 Na5 16.Bb4 Nc6 17.Ba3 Na5 18.Reb1 a6 (worse 18...Qc3 19.Bb4 Qd4 20.Ne2+- (20.Ba5? Ne5 21.Qe2 Qd3-+)) 19.Ne2 b5 20.e5 d5 21.Bc1 (21.Be7 Re7 22.Ra2 Ree8=) 21...Nc4=+ 22.Qg4 Reb8 (22...g6 23.Bh6=+) 23.Nf4 (23.Bh6 g6=) 23...Rb6 24.Nh5 g6 25.Nf4 Bf8 (25...Rc8 26.h4=+) 26.h4= Bg7 27.h5 Nce5 28.de5 Ne5 29.Qe2 Nd3 30.Nd3 Rc6 (30...Bc3 31.Bb2=) 31.Bb2 (31.Bd2 Bc3 32.Bc3 Rc3 33.Rb5 gh5+=) 31...Bc3 (31...Rc4!?=) 32.Bc3+= Rc3 33.Ne5 (33.Rb5 Rc2 34.Qd1 Ra7+-) 33...Rc2 (33...Ra7 34.h6=) 34.Qe3+= Rc8 35.Ng4 (35.h6 f6 36.Nd3+=) 35...gh5 (35...a5!?=) 36.Qg5 (36.Nf6!? Kf8 37.Re1+-) 36...Kf8+= 37.Nf6 h6? (37...Qa7 38.Rf1 h6 39.Qh6 Ke7 40.Nd5 ed5 41.Ra6 Qc5 42.Qf6 Kf8+-) 38.Qh6+- Ke7 39.Qg5 Kf8 40.Re1 Qd6 (40...Qc6 41.Qh5 Qd6 42.Rad1+-) 41.Rad1 R2c5 (41...Rd8 42.Rd4 Rc4 43.Rd5 Qd5 44.Nd5 Rd5 45.Qf6+-) 42.Qh6 (better 42.Rd5! Rd5 43.Qg8 Ke7 44.Nd5 Qd5 45.Qc8 Qd6+-) 42...Ke7 43.Ne4! Qc6?? (43...de4 44.Rd6 Pinning (44.Rd6 Deflection)) 44.Nc5 (44.Nc5 Qc5 45.Rc1+-) 1–0. Martinez,Julian (2185) – Meza Saavedra,Edwin Martin (1820), 2nd IRT Feria de Bucaramanga, 2013. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    5.Na3 Nf6

    6.Bb5 Bd7 7.Qe2 e5 8.d4 Nc6 9.0-0 (9.d5 Nb8=) 9...Be7 (9...ed4 10.Re1+=) 10.Bc6 (10.d5!? Nb8 11.Qd3=) 10...Bc6-/+ (worse is 10...bc6 11.de5 de5 12.Ne5+=) 11.de5 de5 12.Rd1 Qb8 13.Bb2 Nd7 (worse is 13...Ne4 14.Ne5 Nf6 15.Nc6 bc6 16.Bf6 gf6 17.Nc4+/-) 14.Nc4 Can e5 get defended? 14...f6 15.Ba3 Nc5 16.Na5 (16.Nd4 Bd7= (16...Be4? 17.Bc5 Bc5 18.Qe4+-)) 16...Qc7+= 17.Nc6 Qc6 (worse is 17...bc6 18.Bc5 Bc5 19.Qc4+=) 18.Ne5? (better is 18.Rd5 b6 19.Nh4+=) 18...fe5-+ 19.Qh5 g6 (19...Qg6!? 20.Qe5 Qf6-+ (20...Qe4?? 21.Qg7 Rf8 22.Re1+-)) 20.Qe5-/+ Rf8 21.Rd5 b6 22.Rad1 Qf6 23.Qg3 Qf4 24.Re5 (24.Qf4 Rf4 25.f3 Rf7-+) 24...Qg3 25.hg3 Rd8 (25...Rd8 26.Red5 Rc8-+) 0–1. Engel,Gunnar – Kupfernagel,Michael, Mecklenburg VP LL, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    6.Bb5 Nbd7 7.Bd7 Nd7+= (7...Kd7?! 8.Qe2=).

    6.c3 g6 7.Bd3 Bg7 8.Bc2 0-0 9.0-0 Nc6 10.d4 Bg4 11.h3 Bf3 12.Qf3 a6 13.e5 Ne8 14.ed6 Nd6 15.Rb1 Rc8 16.Bd2 b5 17.Bb3 Na5 18.Ba2 Nac4 19.Bc4 Nc4 20.Nc4 Rc4 21.Rfe1 e5!-+ 22.Qb7 ed4 23.cd4 Qd4 24.Be3 Qf6 25.Ra1 Qc6 (25...Qc6 26.Qa6 Ba1 27.Qa1 Re8-+; 25...Qa1?! 26.Ra1 Ba1 27.Qa6-/+) 0–1. Palacios de la Prida,E – Saborido Carre,R, ESP–ch, 1964.

    6.e5 de5-/+ 7.Ne5? Qd5?? 8.Bb5?? White loses the upper hand (better is 8.Qe2!? and White hangs on 8...Bd7 9.c4+=) 8...Nbd7 (8...Nc6 9.Bc6 bc6 10.Nf3-/+) 9.Nd7 Bd7 (9...Nd7?! 10.0-0=) 10.Rb1?? (better is 10.Bd7 Nd7 11.0-0-/+) 10...Bb5 11.Nb5 Qe5?? instead of simply winning the game (better is 11...Qg2 and Black has reached his goal 12.Rf1 Rd8 (12...Qh2?! 13.Qf3 Qb8 14.Nc3-/+) 13.Nc7 Kd7-+) 12.Qe2+= Qe2 13.Ke2 White loses the right to castle 13...Kd7 Black loses the right to castle 14.Bb2 Nd5 15.Rhc1 (15.Be5 f6 16.c4 Nb6+=) 15...f6 16.d4 a6 Black threatens to win material: a6xb5 17.Na3 b5 White has a new backward pawn: c2 18.c4 White threatens to win material: c4xd5 18...Nf4 (18...Nc7+=) 19.Kd2? (better is 19.Kf3!? is worth looking at 19...Nd3 20.Rc3 Nb2 21.Rb2+=) 19...b4 20.Nc2 a5 21.Ra1 e6 22.g3 Nh3 23.Ke2 h5 24.Ra4 Bd6 25.c5? Bc7-/+ 26.Rca1 Rab8 27.Ne3 Rb5 28.Nc4 Ra8 29.Bc1 Kc6 30.Bd2 Kd5 31.Nd6?? Bd6-+ 32.cd6 Kd6?? 33.Bb4+= Kd5 34.Bc3 Ng5 35.Kd3 Ne4 36.Be1 Rb3 37.Kc2 Rab8 38.Ra5= R8b5 39.Rb5 Rb5 40.f3 Nd6 41.Bc3 Nc4 42.Ra7 Ne3 43.Kd3+= Nf5 44.g4 Nh4 45.Rg7+= Nf3 46.gh5 Nh2 47.h6+- Rb8 48.Rg2 Nf3+= 49.Rf2 Ng5 50.Rf6+/- Rh8 51.Rg6 Nf7 52.Bd2 e5 53.Rg4 Nh6= 54.Rh4 ed4?? 55.Bh6+- Ke6 56.Re4 Kf5 57.Bg7 Rh3 58.Kd4 Rg3 59.Re5 Kg6 60.Bf8 1–0. Siegel,Rainer – Sprandl,Manfred, Dotzheim op 1st, 2002. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.a3 ba3)

    6.e5 de5-/+ 7.Ne5 g6?? 8.Bc4? e6 9.Bb2 Be7 10.Ng4 h5 11.Ne5 Nbd7 12.Qe2 0-0 13.0-0 Nh7?? 14.Ng6+- fg6?? 15.Qe6 (15.Qe6 Rf7 16.Qf7) 1–0. Griess,E – Schirrer,A, Nice, 1938.

    5.d4 Nf6

    6.Bd3 Nc6 7.0-0 Bg4 8.Be3 g6 (8...d5 A) 9.ed5 Bf3 (9...Nd5 10.h3 Bh5 11.Na3 e6 12.c4 Ne3 13.fe3) 10.Qf3 Qd5 11.Qg3 e5 12.c4 Qd6 13.Na3; B) 9.e5 Ne4 10.h3 Bf5 11.Nh4 Bd7 12.Na3 Nb4 13.Nf3; 8...e6 A) 9.c4 Be7 (9...Bf3 10.Qf3 Nb4 11.Ra3 Be7 12.Be2 Nc2 13.Rb3) 10.Na3 0-0 11.Nb5 d5 12.cd5 ed5 13.e5; B) 9.h3 Bh5 (9...Bf3 10.Qf3 Be7 11.Na3 0-0 12.Rfb1 Qd7 13.c3) 10.Na3 d5 11.ed5 Nd5 12.c4 Ne3 13.fe3; C) 9.Na3 Be7 (9...d5 10.ed5 Nd5 11.c4 Ne3 12.fe3 Be7 13.Qb1) 10.h3 Bh5 11.Qb1 Qb8 12.g4 Bg6 13.c4) 9.d5 (9.Ra3 Bg7 (9...d5 10.e5 Ne4 11.h3 Bf5 12.c4 a5 13.cd5) 10.h3 Bf3 11.Qf3 0-0 12.c3 e6 13.Nd2; 9.h3 Bf3 (9...Bd7 10.Ra3 Bg7 11.Nc3 0-0 12.Rb3 Qc7 13.Nb5) 10.Qf3 Bg7 11.Na3 0-0 12.Rfb1 Qd7 13.c3; 9.Na3 Bg7 (9...a6 10.h3 Bf3 11.Qf3 Bg7 12.Rfb1 Nd7 13.c3) 10.h3 Bf3 11.Qf3 0-0 12.Rfb1 Qc7 13.Nc4) 9...Ne5 (9...Nb4 10.Bb5 Bd7 11.Na3 Bg7 12.Rb1 a5 13.c3; 9...Bf3 10.Qf3 Ne5 11.Bb5 Nfd7 12.Qh3 Bg7 13.Ra3) 10.Ne5 (worse is 10.Na3 Bg7+= 11.Bd4 Bf3 12.gf3 0-0 13.Rb1) 10...de5 11.Qe1 (11.f3 Bd7 12.Na3 Bg7 13.c4) 11...Bg7 12.Na3 0-0 (12...Bd7 13.Nc4) 13.Qb4 (13.Nc4+=) 13...b6 14.Nc4 Ne8 15.Ra6 Nc7 16.Ra2 f5 17.Bg5 fe4 18.d6? (18.Be4 Nd5 19.Qb3 Be6+=) 18...Nd5 (18...ed3 19.dc7 Qc7 20.cd3-+) 19.Qb3? (19.Qa3 ed3 20.de7-/+) 19...Be6?? (better is 19...ed3 20.de7 Ne7 21.Ne3 Rf7 22.Ng4 Qd5-+) 20.Nb6?? Qd6 21.Na8 ed3 22.Ra7 Qc6?? 23.Qa3? dc2-+ 24.Ra6 Qd7 25.Qa4?? Qa4 26.Ra4 Nc3 27.Ra7 Bc4 28.Re1 e4 29.Rc7 Bd4 30.Rc4 Bf2 0–1. Dogdu,Mehmet – Tuncer,Tuna, Antalya TUR, Men Ch, 2013. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    6.Bd3 Nc6 7.c3 g6 8.0-0 Bg7 9.Re1 0-0 10.Ba3 Bg4 11.Nbd2 Qc7 12.h3 Bf3 13.Nf3 Rfd8 14.Qa4 Nh5 15.Bc4 h6 16.Rab1 e6 17.Bf1 a6 18.Bc1 b5 19.Qa2 Nf6 20.Bf4 e5 21.Bh2 Nd7 22.Rec1 Nb6 (22...Rdb8!?-/+) 23.c4= Nc4 (23...bc4 24.Bc4 A) worse is 24...Nd4 25.Nd4 ed4 26.Bd3+= (worse is 26.Ba6 Qa7 27.Qb3 Qa6 28.Qb6 Qb6 29.Rb6 Re8-/+); B) worse is 24...Nc4 25.Qc4 ed4 26.Qc6 Qc6 27.Rc6+/-; C) 24...ed4 25.Ba6 Rdb8=) 24.Bc4+/- bc4 25.Qc4 Rab8? (better is 25...ed4 26.Qc6 Qc6 27.Rc6 d5+/-) 26.Rb8+- Rb8 27.d5 (27.Qc6?? Qc6 28.Re1 ed4-+) 1–0. Pokhlebkin,Vladimir (2120) – Riabov,Nikolay, Nizhnij Novgorod Region–ch, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    6.Bd3 Bg4 7.0-0 Nc6 8.c3 e6 9.Na3 Be7 10.h3 Bf3 11.Qf3 0-0 ½–½. Drazic,S (2470) – Fontaine,R (2480), Milivoj Petrov Mem, Pancevo YUG, 2002.

    6.Bd3 g6 7.Na3 Bg7 8.0-0 0-0 9.Nb5 a6 10.Bd2 Nbd7 11.Ba5 b6 12.Bd2 Bb7 13.Nc3 e5 14.d5 Nc5 15.Be3 Nfd7 16.Qd2 Rc8 17.Rfc1 f5 18.Bg5 Qc7 19.Bh6 (better is 19.Be7!? Rfe8 20.Bh4-+) 19...fe4 20.Bg7 Kg7 (20...ed3?! 21.Bf8 Rf8 22.Rab1 (worse is 22.cd3 Nb3 23.Qa2 Ndc5-/+) 22...dc2 23.Rc2+=) 21.Be4 (21.Ne4 Ne4 22.Be4 Nc5-+) 21...Nf6 (21...Ne4?! 22.Ne4 Rf4 23.Nfg5-/+) 22.Qe3 Nce4 23.Ne4 Nd5 24.Qd3 Nf4 25.Qe3 Qd7 26.Rd1 (26.h3-+) 26...Qg4 (26...Rc2 27.Ne5 Qe7 28.Ng6 hg6 29.Qd4 Kg8 30.Ng3 Bg2 31.Qb6 Nh3 32.Kg2 Rff2 33.Qf2 Rf2 34.Kh3 Qe6 35.Kh4 Rf4 36.Kg5 Rg4 37.Kh6 Qe3) 27.Ng3 Bf3 (27...Ng2 28.Qb6 Qf3-+ (28...Rf3?! 29.Qb7 Kh6 30.Kg2=)) 28.gf3 (28.Rd6 Bg2 29.Rb6-+) 28...Qh3 29.Rd2 Qg2 0–1. Nytrova,Adela (1885) – Petras,Marian (1690), Pobeskydy op, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    6.Bd3 g6 7.c3 Bg7 8.Ra3 Nc6 9.0-0 0-0 10.Bg5 Bd7 11.Qd2 a6 12.Qf4 Rc8 13.Re1 Nh5 14.Qe3 f6 15.Bh6 e5 16.Bg7 Kg7 17.Nbd2 Nf4 18.Nc4 Nd3 19.Qd3 Qc7 20.Ne3 Ne7 21.Rd1 Be6 22.Nd2 Rfd8 23.d5 Bf7 24.Rb1 Qc5 25.Rbb3 f5 26.Ra4 f4 27.Nc2 Qc7 28.Rc4 Qd7 29.Rcb4 b5 30.c4 Rb8 31.Na3 bc4 32.Ndc4 Rb4 33.Rb4 Nc8 34.Na5 Qc7 35.Nc6 Rd7 36.Qa6 Ne7 37.Nb5 Qc8 38.Qc8 Nc8 39.Na3 Rc7 40.h4 Kf6 41.Rb8 ½–½. Gardos,Attila – Ferenczi,Csaba (2155), HUN–chT2, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 ba3)

    4.a3 Qa5

    5.Bb2 Nc6 6.Bd3 e5 7.ab4 Qb4 8.Ba3 Qa5 (8...Qb6 9.Nc3=+) 9.Nc3 (9.Nc3 Qd8 10.Bc4=+) 1–0. Cirulis,Ilmars – Szasz,Istvan, FICGS, 2007. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.a3 Qa5)

    5.Bb2 Nc6 6.d4 Nf6 7.ab4 Qb4 (7...Qb4 8.Bc3 Qb6=+). Zur,Jan (1815) – Ziebarth,Susanne (1810), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

    5.Bc4 Nf6 6.d3 Nc6 7.Bb2 b5 8.ab4 Qb4 9.Bc3 Qc5 10.Bb3 e5 11.Bb2 a5 12.d4 ed4 13.Nd4 a4 14.0-0 Bb7-+ 15.Nc6 Qc6 16.Bd5 Nd5-+ 17.ed5 Qd5 18.Re1 Kd7 19.Qg4 f5 20.Qg5 b4 21.c4 Re8 22.Nd2? Re1 23.Re1 Qd3 24.Re3 h6 25.Qf4 Qc2 26.Nf1 a3 27.Ba3 ba3 28.Ra3 Be7 29.Ra7 Rb8 30.Qd4 Bf6 (30...Bf6 31.Qd5 Qe4 32.Qf7 Kc8-+) 0–1. alexandret (2315) – gkthomas (2760), net–chess.com, 2010.

    4.a3 b3

    5.Bb2 bc2=+ 6.Qc2 Nf6 7.Bc4 Nc6 8.0-0 Bg4 (8...e6 9.Nc3=+) 9.Ng5 (9.Qb3 e6 10.Qb7 Qc8+=) 9...Bh5 (9...e6 10.Qb3 Qd7 11.f3-/+) 10.d4 (better 10.Qb3!? e6 11.Qb7+=) 10...h6=+ 11.f4?? (better 11.Nh3 Bg6 12.Qb3-/+) 11...hg5-+ 12.fg5 Nd7 13.e5 (13.Nd2-+) 13...e6 (worse 13...de5 14.g6 Qb6 15.gf7 Kd8 16.Nd2-+) 14.Nc3 (14.Bb5 Rc8 15.Qa4 de5 16.Bc6 bc6-+) 14...de5 15.d5 Bc5 16.Kh1 Bg6 17.Qd2 ed5 18.Bd5 Nb6 19.Rad1 Nd5 20.Nd5 Nd4 21.Nf6 (21.Bd4 Bd4 22.Rfe1 Qd5 23.Qd4 Qd4 24.Rd4-+) 21...gf6 22.gf6 Qd5 23.Rc1 (23.Qe1 Qe6-+) 23...Nf5 (better 23...Nf3! 24.gf3 Qd2 25.Be5 Bf2-+) 24.Qe1 (24.Qd5?? Ng3) 24...Ne3 25.Rf3 Be4 (better 25...Ng4 26.h3 Qf3 27.gf3 Rh3 28.Kg2 Rh2 29.Kg3 Bf2 (29...Rb2?! 30.Rc5 Rb1 31.Qc3 Rg1 32.Kh3-/+) 30.Qf2 Rf2-+) 26.Re3 (26.Rc5 Ng2 27.Qe4 Qe4 28.Re5 Qe5 29.Be5-+) 26...Bg2 27.Kg1 Kf8 (27...Kf8 28.Rc5 Qc5 29.Kg2 Qc6 30.Kg1 Rg8 31.Rg3 Qb6 32.Qf2 Rg3 33.hg3 Qf2 34.Kf2 Re8-+; 27...Bh3 28.Qf2 Rg8 29.Rg3 Rg3 30.hg3 Qg2) 0-1. Nygren,K (2230) - Tomiello,Lucas Costamilan (2130), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3)

    5.cb3 Nf6 6.Nc3 e5 7.d4+- Nbd7 8.Be2 Be7 9.0-0 0-0 10.Qc2 b6 11.Rd1 Qc7 12.Bg5 Bb7 13.Rac1 Rac8 14.Qb1 (14.Qb2 Qb8+-) 14...Qb8+= 15.d5 h6 16.Bd2 Rfd8 17.b4 Rc7 18.Nh4 Bf8 19.Nf5 Rdc8 20.Nb5 Rc1 21.Rc1 (worse 21.Bc1 a6-/+) 21...Rc1 22.Bc1 (worse 22.Qc1 Ne4 23.Bc4 Ndf6-/+) 22...a6 23.Nc3 Qc7 24.Bd2 b5 25.Nd1 (25.Qd3 Kh7+-) 25...Nb6+= 26.Nb2 Bc8 27.Ng3 g6 (27...Bd7 28.Qd3+=) 28.f3 Nh7 29.Kf2 (29.Qd3 f5+=) 29...Bd7 (29...f5 30.Bd3=) 30.Qc1 Qc1 31.Bc1 Kg7 (31...f5!?=) 32.Be3+= Nc8 33.Nf1 (33.Nd3 Nf6+=) 33...Be7 34.Nd2 (34.f4 ef4 35.Bf4 f5=) 34...Bg5 (34...f5 35.Ke1=) 35.Nb3 (35.Bg5 Ng5 36.h4 Nh7+=) 35...Be3= 36.Ke3 Nb6 37.Na5 Nf6 38.Nb7 Ne8 39.f4 (39.Nd8 f5=) 39...f6 (39...ef4 40.Kd4=+) 40.h3 (40.fe5 fe5 41.Nd8 Nc7=) 40...Kf7 (40...ef4 41.Kd4=+) 41.g4 Ke7 42.h4 (42.fe5 de5 43.Bd3 Nd6 44.Nd6 Kd6=) 42...f5=+ 43.gf5 (43.fe5 de5 44.gf5 gf5=+) 43...gf5 44.Bf3 (better 44.fe5!? de5 45.Nc5=+) 44...fe4-/+ 45.Be4 ef4 46.Kd4 Ng7 47.Na5 (47.Nc5 dc5 48.bc5 Nc4 49.Nc4 bc4 50.Kc4 Nf5-+) 47...Nf5-+ 48.Bf5 Bf5 49.Nb3 (49.Nd1 Kd7-+) 49...Bg6 50.Nd2 Bf7 51.Ke4 Nd5 52.Nd3 (better 52.Nf3-+) 52...Bg6 53.Kd5 Bd3 54.Kd4 Be2 55.Ke4 (55.Kd5 f3 56.Ne4 Bc4 57.Kd4 d5-+) 55...f3! 56.Ke3 (56.Nf3 d5 Passed pawn) 56...Ke6 57.Ne4 Ke5 58.Ng3 (58.h5-+) 58…d5 0–1. Bazza3 (2490) – mizuzul (2195), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.a3 b3)

    4.a3 Nc6

    5.ab4 Nb4 6.c3 Nc6 7.d4 e6 8.Bd3 Be7 9.0-0 Nf6 10.Ne1 0-0 11.f4 e5 12.Nf3 Bg4 13.Be3 ed4 14.cd4 Nb4 15.h3 Bf3 16.Rf3 Nd3 17.Qd3 d5 18.e5 Ne4 19.Nd2 f5 20.g4 (20.Qb5 b6+=) 20...g6 (20...Bb4!? 21.g5 a5-+) 21.gf5 gf5 22.Ne4 de4 23.Rg3 Kh8 24.Qb3 Bh4 (24...Rg8!? 25.Rg8 Qg8 26.Qg8 Rg8 27.Kh2 a6+=) 25.Rg2= Rg8 26.Raa2 Bg3 (better is 26...a6!?=) 27.d5+/- (27.Qb7 Rb8 28.Qb8 Qb8-+) 27...Qh4? (better is 27...Qc7!?+/-) 28.e6 (28.Bd4 Rg6 29.e6 Kg8+-) 28...h5 29.Qb7 Qf6 30.Qf7 Qf7 31.ef7 Rg6 32.Bc5 Kg7 33.Ra7 Rf8 34.Bf8 Kf8 35.d6 (35.d6 Bf4 36.Rg6 Be3 37.Kf1 Ba7 38.d7 Kf7 39.d8Q Kg6 40.Qd6 Kf7 41.Qd7 Kf6 42.Qa7+-) 1–0. Konstacky,Matej (2055) – Pospisil,Evzen (2085), CZE–ch Juniors op–A, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.ab4 Nb4 6.Bc4 e6 (6...Nf6 7.c3 Nc6 8.d3=+) 7.0-0 (7.Ba3 Nc6 8.0-0=+) 7...Nf6 8.Ba3 Nc6 9.d4 (9.Re1!?=+) 9...Ne4-/+ 10.d5 Na5 (better is 10...Qf6 11.Ra2 Ne5 12.Ne5 Qe5-/+) 11.Bb5+= Bd7 12.Bd7 Qd7 13.Qe1 Qa4 14.Bb2 Qb5? (better is 14...Qc2 15.Ra5 Nc5+/-) 15.Ra5 Qb2 16.Qe4 e5 (16...Qb6 17.Qa4 Ke7 18.de6 fe6+-) 17.Qa4 Kd8 18.Rb5 Qb5 19.Qb5 (19.Qb5 Kc7 20.Qa5 Kd7 21.Ng5+-) 1–0. Schulien,Charles – Benko,Pal, 1980.

    5.ab4 Nb4 6.Bc4 Nf6 7.c3 Nc6 8.Qe2 (8.d3 e6 (8...d5 9.ed5 Nd5 10.0-0 e6=) 9.Be3 Ng4 10.0-0 Be7+=; 8.Qc2 e6 9.d3 Be7 10.0-0 0-0+=) 8...a6 (8...e6 9.d4 Be7 10.Bd3 e5=; 8...Bg4 9.d4 e6 10.h3 Bf3+=) 9.0-0 (9.d4 Bg4 10.0-0 Rc8=) 9...b5 (better is 9...Bg4+= 10.d4 Rc8=) 10.Bb5+/- Bb7 11.Bc4 (11.Ba4 e6+/-) 11...e6 12.d4 (worse is 12.Ba6 Qb6 13.Bb7 Ra1-/+) 12...Be7 13.d5 ed5 14.ed5 Nd5?? (better is 14...Na5 15.Ba2 0-0= (15...Bd5? 16.Bd5 Nd5 17.Qa2+-)) 15.Qe4?? (better is 15.Bd5 0-0 16.Rd1+-) 15…Nc3 (15...Nc3 16.Nc3 0-0+-). Kostyra,Mariusz (2155) – Walukiewicz,Dominika, XII FSz Wigwam Lesniczowka Przeczno Poland, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3)

    5.ab4 Nb4 6.d4 Nf6 7.d5 a5 8.Bb5 =.

    5.Bb5 ba3 6.Ba3 Bd7 7.Nc3 Rc8 8.0-0 a6 9.Be2 g6 10.Nd5 Bg7 11.Rb1 b5 12.d4 Nf6 13.Nf6 Bf6 14.h4 (14.Bb2 d5 15.ed5 Nb4+=) 14...h5 15.c3 Na5 16.e5 de5 (16...Rc3?! 17.Bb2 Rf3 18.Bf3 Bh4 19.ed6=) 17.de5 Bg7 (17...Rc3? 18.Bb2 Rc6 19.ef6 ef6 20.Nd4+-) 18.Ng5 (18.Ra1 Nc4-/+ (18...Rc3? 19.Bb4 Rc6 20.Ba5+-)) 18...0-0 (18...Bf5 19.Ra1 Qd1 A) worse is 20.Rad1 Be5 (20...Rc3?! 21.Bb4 Rc8 22.Ba5=) 21.Bb4 Nc6-+; B) 20.Bd1-+) 19.Bh5? (better is 19.f4!?-/+) 19...Bf5 (19...gh5 20.Qd3 Re8 21.Qh7 Kf8 22.Rbd1=) 20.Qf3? Qd5 (20...gh5?? 21.Qf5 Qd3 22.Qd3+-; 20...Bb1 21.Rb1 Nc4 22.Rd1-+) 1–0. Jorgensen,Kenneth – Osterberg,Kurt, Politiken Cup, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nc6)

    5.d4 d5!? 6.ed5 Qd5 7.ab4 Nb4 +=.

    5.d4 Bg4 6.d5+= Ne5?? (better is 6...Nb8 7.ab4 Nf6+/-) 7.Ne5+- (7.Ne5 de5 8.Qg4+-) 1–0. Buchaillot,Luis Mario (1875) – Zanatta,Federico, OP–2007–0-00420, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3)

    4.a3 d5

    5.ed5= Qd5 6.Bb2 Bg4 7.Be2= e6 8.0-0 Nc6 9.ab4 Nb4 10.Na3 Nf6 11.Nb5 Qc5 12.d4 Qb6 13.c4 Bf3 14.Bf3+= Be7 15.Qe2 0-0? 16.d5?? a6= 17.d6 Bd6 18.Nd6 Qd6 19.Bb7 Rab8 20.Rfd1 Qb6= 21.Bf3 Rfd8 22.Bd4?? Rd4-+ 0–1. Heck,Karl – Van Dusen,Eric, IECC, 1996.

    5.ed5 Nf6+=.

    5.e5 e6!?=.

    5.e5 Bg4 6.ab4+= Nc6 7.c3 (7.Bb2!? Nb4 8.Ra4+=) 7...Bf3= 8.Qf3 Ne5 9.Qe3 (9.Bb5 Nc6=) 9...Qb8 (9...Nc6 10.Bb5=+) 10.Qc5 (10.Bb5 Nd7=) 10...Nd7 (better 10...Nf6!?-/+) 11.Qd5= e6 12.Qd4 Ngf6 13.Bb5 (13.Na3 e5 14.Qe3 Bd6=) 13...a6= 14.Be2 Be7 15.0-0 0-0 16.Qh4 (16.Na3 e5 17.Qc4 Nb6=) 16...Nd5=+ 17.Qg3 Bd6 18.Qh4 Rd8 (18...Qc7 19.Na3=+) 19.d4 Qc7 20.Bd3 Nf8 (20...h6 21.g3=+) 21.Qh3 Rac8 (21...Ng6 22.Bg5 Re8 23.g3=) 22.Bd2 h6 (22...Bf4 23.Be1=+) 23.Rd1 (23.b5 a5=) 23...Nd7 (23...Bf4 24.Be1=) 24.c4 (24.b5=) 24...Nf4 (better 24...Nb4 25.Bb4 Bb4-/+) 25.Bf4+= Bf4 26.g3 (26.Nc3 Nf6 27.g3 Bd6+=) 26...Bg5 27.Nc3 Bf6 28.Qg4 (28.Ne2 Nb6 29.Rac1 Be7=+ (worse 29...Bd4 30.c5+=)) 28...Nb6 29.c5 (29.Ne2 Nc4 30.Rdc1 b5 31.Ra6 Qd7=+) 29...Nd5 (29...Bd4!? 30.Rac1 Bc3 31.Rc3 Nd7-/+) 30.Nd5= Rd5 31.Bc4 Rd7 32.Ra3 Rcd8 33.Rad3 Qc6 34.h4 Qa4 35.d5 ed5?? (better 35...Qb4!? 36.Qe4 ed5 37.Rd5 Rd5 38.Rd5 Kf8=) 36.Rd5?? (better 36.Bd5 Qc2 37.R3d2 Rd5 38.Rd5+- (38.Rc2?! Rd1 39.Kg2 R1d4+-)) 36...Rd5+= 37.Rd5 Qa1 (37...Qc6 38.Rd8 Bd8+-) 38.Kg2+- Qe1 39.Rd8 Bd8 40.Bd5 Qe7 41.Qc8 (41.Qc8 Qc7 42.Qa8+- (42.Qb7?! Qb7 43.Bb7 a5=; 42.Bb7?! Qc8 43.Bc8 a5=)) 1–0. Martinez,Julian (2185) – Rincon R,Javier Duvan (1700), IRT Cerrado Preparacion Juegos Nacional, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.a3 Nf6

    5.Bb2 ba3=+ 6.Na3 (6.Bb5 Nc6 7.Ra3 Ne4=+) 6...e6 (better 6...Ne4!? 7.Bb5 Nc6=+) 7.Bb5 (7.Bb5 Bd7 8.Bf6 gf6 9.0-0=) 1–0. Paulesu,Sebastiano (2060) – Porkolab,Sandor (2145), FICGS, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6)

    5.Bb5 Nc6 6.Qe2 (6.ab4 Ne4 7.d3 Nf6=) 6...Bd7 7.e5? (better is 7.ab4 Nb4 8.Bd7 Qd7 9.d3+=) 7...de5-/+ 8.Ne5 Nd4?? (better is 8...Ne5 9.Qe5 a6-/+) 9.Qc4= Ne6 10.Nd7 Nd7 11.ab4 a6 12.Qa2 (12.Bd7 Qd7 13.Na3 Nc7=) 12...Nc7 (12...Nd4 13.Bc4 e6 14.c3+=) 13.Be2 (13.Bd7 Qd7 14.0-0 Qd6=) 13...e6 14.0-0 (14.Bf3 Qg5=) 14...Nf6 (14...Bb4 15.Qb3 Be7 16.Qb7 Rb8=) 15.c4 Bb4?? (better is 15...Qd6=) 16.Qa4+- (16.Qa4 b5 17.Qb4 bc4 18.Bb2+-) 1–0. Zoltan,Andras (2135) – Balint,Laszlo (2000), Budapest FS03 FM–A, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6)

    5.d3 d5 6.e5= Nfd7 7.d4 (7.ab4!? e6 8.c3+=) 7...Nc6 8.Bb5 a6 (better is 8...Qa5!? 9.Bd3 e6+=) 9.Bc6+= bc6 10.ab4 e6 11.Bd2 Rb8 12.c3 Be7 13.0-0 0-0 14.Qa4 Nb6 15.Qc2 (15.Qc6?? Bd7 16.Qc5 Bc5 17.dc5 Nc4-+) 15...Nc4 16.Na3 Nb6 17.Nb1 (17.Ra2 Bb7+=) 17...Nd7 (17...Nc4!?=) 18.Be3+= Ra8 19.Ra5 Qe8 20.Nfd2 (20.Ng5 g6+=) 20...Bd8 21.Ra2 a5 22.ba5 Ra5 23.Ra5 Ba5 24.Qa4 Bb6 25.Qc6 Qe7 26.Nf3 Ba6 27.Re1 Rc8 28.Qa4 Bd3 29.Bd2 ½–½. Damen,Jip – Evengroen,Bernard, NED–ch U12 Rijswijk, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6)

    5.d3 g6 6.ab4= Bg7 7.c4 0-0 8.Bb2 Qb6 9.b5 Ne4!-/+ 10.de4 Bb2 11.Ra2 Bf6 12.Bd3 Be6 13.0-0 Nd7 14.e5 de5 15.Nc3 a6 16.ba6 Nc5 17.Ne4 Ne4 18.Be4 Bc4 19.Rb2?? Qb2 20.ab7 Ra2 21.Bd3 Rd8 22.Ne1 e4 23.Qc2 Bd3 24.Qb2 Bb2 25.Nd3 ed3 0–1. wwidener (1800) – pierred (2750), net–chess.com, 2009.

    5.Bd3 Nc6=+ 6.0-0 a6 7.Re1 Bg4 8.Bb2 e5 9.ab4 Nb4 10.Bc4 Rc8 11.Bb3 Bf3 12.Qf3 Be7 13.Nc3 0-0 14.g4 g6 15.Nd1 Qb6 16.h3? Nc6 17.Ne3 Nd4 18.Bd4 ed4 19.Nc4 Qc6 20.Qf4 Nd7 21.e5 de5-/+ 22.Ne5 Ne5 23.Qe5 Bf6 24.Qf4 Bd8 25.Re4? Bc7 26.Qf3-/+ Rce8 27.Rae1 Re4 28.Re4 Qd6 29.Re8 Qf4 30.Rf8 Kf8-/+ 31.Kg2 Qf3 32.Kf3 b5 33.Ke4 a5 34.f3 Bb6 35.d3 Ke7 36.f4 f6 37.f5 Kd6 38.fg6 hg6 39.h4 Bd8 40.h5 f5 41.Kf4 fg4 42.hg6 Bf6 43.Kg4 Kc5 44.Kf5=+ Bh8 45.Ke6 a4 46.Ba2 Kb4-/+ 47.Kd5? Kc3 48.Kc5-/+ b4 49.Kb5 b3 50.cb3 ab3 51.Bb1 Kb2 52.Kc4 Kb1 53.Kb3 Kc1 0–1. Fiedler,Br (2225) – Ademi,S (2245), Canadian Closed zt, Toronto CAN, 2006.

    5.Bd3 Nc6=+ 6.ab4 Nb4 7.Bb5 Bd7 8.Bd7 Qd7 9.d3 e6 10.0-0=+ Be7 11.Bb2 Nc6 12.Nbd2 0-0 13.h3 b5-/+ 14.Kh1 a5 15.Nh2 a4-+ 16.f4 b4 17.e5 Nd5 18.Ne4 a3 19.Bc1 de5 20.fe5 Ne5 21.Qh5 f5 22.Ng5 Bg5 23.Bg5 Rfc8 24.Qe2 Nf7 25.Nf3 Ra6 26.Rf2 Rac6 27.Ne5 Ne5 28.Qe5 Rc2 29.Rf3 h6 30.Bh4 Rc1 31.Rc1 Rc1 32.Be1 a2 (32...a2 33.Kh2 a1Q 34.Qa1 Ra1-+) 0–1. Anchondo,Francisco – Khachiyan,M (2465), 14th Western Class Ch., Agoura Hills US, 2007.

    5.Qe2 ba3 6.Na3 ½–½. Gasperini,AA (1945) – Franca,RB (2060), Florianopolis–ch, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6)

    5.Qe2 Nc6 6.d4 d5 7.e5 Ne4 8.ab4 Bg4 9.c3 Rc8 10.Bd2 e6 11.h3 Bh5 12.g4 Bg6 13.Qb5 Qd7 14.Qa4 Be7 15.Bb5 a6-/+ 16.Bc6 Qc6 17.Qc6 Rc6 18.Ke2 Kd7 19.Ra3 Rhc8 20.Rb3 Nd2 21.Nfd2=+ Bg5 22.h4 Bd2 23.Kd2=+ Be4 24.Rc1 b5 25.Na3 g5 26.h5 h6 27.Nc2 Bc2 28.Rc2 Rf8 29.Ra3 Kc8 30.f4 gf4=+ 31.Ke2 f5 32.ef6 Rf6 33.Kf3 Kb7 34.Rca2 Rf7 35.Re2 Rf8 36.Re5 Rf7 37.g5 hg5 38.Rg5 Rf6 ½–½. Rometti,Bernard – Schudel,Hans Jakob, France–Swiss, 1946.

    5.e5 de5-/+ 6.Bb2 e4 7.Ne5 e6 8.Bb5 Bd7 9.Nd7 Nbd7 10.0-0 a6 11.Be2 Qc7-+ 12.d3 Rc8 13.c3 ba3 14.Na3 Be7 15.de4 Ne4 16.Qa4 Nec5 17.Qg4 Bf6 18.Nc4 0-0 19.Ba3 Ne5 20.Qh3 Nc4 21.Bc4 Qf4 22.Ba2 Rfd8 23.Rad1?? Rd1 24.Rd1 Qa4 (24...Qa4 25.Qf3 Qa3-+) 0–1. Madeira de Ley,Manuel – Liguori Teixeira,Luiz, Rio de Janeiro–ch, 1947.

    5.e5 de5-/+ 6.ab4 e4 7.Ne5 Qd4 8.Bb5 Nbd7 9.Nd7 Bd7 10.Bd7 Nd7 -/+.

    5.e5 de5-/+ 6.d4 ed4-+ 7.ab4 e5! 8.c3 (8.Ne5 Nc6) 8...Bg4-+ 9.Bb5 Nbd7 10.Bg5 (10.h3 Bf3 11.Qf3 e4-+) 10...a6 (better is 10...dc3!? 11.Qb3 c2 12.Na3 Bf3 13.gf3-+) 11.Bd7 Qd7 (11...Qd7 12.Bf6 gf6-+) 0–1. Mueller,Klaus – Puth,Dieter (2205), AC–2003–S–00010, 2004. (=1.Nf3 c5 2.e4 d6 3.b4 cb4+= 4.a3 Nf6)

    5.ab4 Ne4

    6.Bb2 e6 7.Bd3 Nf6 8.Qe2 d5 9.c3 Bd6 10.Bc2 Nc6 11.d4 a6 12.Nbd2 Qc7 13.Nf1 (13.b5 Na5-/+) 13...Bd7-+ 14.Ne3 Rc8 15.0-0 0-0 16.Kh1 e5 17.de5 Ne5 18.Nd4 Rfe8 19.Qd2 Nc4 20.Nc4 dc4 21.Ra5 Bh2 (21...Ne4 22.Qd1-+) 22.f4? (better is 22.g3!? Ng4 23.Rh5 Bc6 24.f3 Bg3 25.Bh7 Kf8 26.b5-/+) 22...Ng4 23.Rh5? (23.Rc5 Qf4! 24.Bh7 Kh7 25.Rf4 Bf4 26.Qc2 g6-+) 23...Ne3 24.Bh7 Kf8 25.Rf3 Bf4 26.Ne2? Bg4 27.Rc5 Bf3 28.Rc7 Bg2 29.Kg1 Bc7 30.b5 g6 31.Qd4 Nc2 32.Qf6 Be5 33.Qh4 Be4! 34.Bc1 Rcd8 35.Bh6 Bg7 36.ba6 Rd1 37.Kf2 Rh1 38.Qf6 Bh6 39.Qh8 Ke7 40.Qe5 Kd7 41.ab7 Re5 (41...Re5 42.Ng1 Be3 43.Ke2 Rh2 44.Kf1 Rf2; 41...Be3 42.Kg3 Re5 43.b8N Kd6 44.Bg6 Rg5) 0–1. Innala,Tapio – Taivainen,Kari, VII JSM/M/4 corr/Ks8, 1981. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.ab4 Ne4)

    6.Bb5 Bd7 7.Bd7 Qd7 8.d3 =.

    6.Bb5 Bd7 7.Bd7 Nd7 8.0-0 e6 9.c4 a5 (9...d5 10.cd5 Qf6 11.Ra2 Bb4 12.Qa4=+) 10.d3= Nef6 11.Qa4 Be7 12.ba5 0-0 13.Be3 Nc5 14.Qa3 (14.Qb5 Qd7=) 14...Qc7 15.Nbd2 h6 (15...Ra6 16.d4 Ncd7 17.Rfb1=) 16.d4 Nce4 17.Ne4 Ne4 18.Qd3 f5 (18...Nf6 19.Rfb1=) 19.Nd2 (19.d5 Bf6 20.Bb6 Qf7 21.de6 Qe6+=) 19...d5= 20.cd5 ed5 21.Rfc1 Qd7 22.Nf3 ½–½. Parmet,Daniel (1960) – Block,Benjamin (1660), FICGS, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.ab4 Ne4)

    6.Bb5 Bd7 7.Qe2 Bb5 8.Qb5 Qd7 9.Qe2 Nf6 10.0-0 e6 11.Bb2 Be7 12.Nc3 0-0 13.b5 Qc7 14.Ra4 d5 15.Rfa1 Bc5 16.Rh4 Nbd7 17.g4 Ne8 18.g5 Qd6 (better is 18...Nd6!?-/+) 19.d4 Bb4 20.Ne5 (20.Na2 f6=) 20…g6 0–1. Chagasov,Oleg (1945) – Dobronravov,Oleg (2115), Omsk–ch op, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6 5.ab4 Ne4)

    6.Bb5 Bd7 7.Qe2 d5 8.Ne5 e6 9.Nf7?? (better is 9.Nd7 Nd7 10.c3-/+) 9…Kf7-+ 0–1. Peltier,Jean – Sorhouet,Jean, Guyenne–ch France, 1988. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6 5.ab4 Ne4)

    6.Bd3 Nf6 7.0-0 Qb6 =+.

    6.Bd3 Nf6 7.Bb2 e5 8.c4 Be7-/+ 9.Nc3 0-0 10.Ng5 h6 11.h4? Nc6-+ 12.Qb1 Nb4 13.Bh7 Kh8 14.Ra3 Be6 15.Nce4 Nh7 16.Nh7 f5 17.Nf8 Qf8 18.Bc3 a5 19.Bb4 ab4 20.Ra8 Qa8 21.Ng3 f4 22.Ne2 Bc4 23.d3 Bd5 24.0-0 f3 25.Ng3 fg2 26.Rc1 b3 27.d4 Qf8 28.Qg6 Bh4 29.Nf5 b2 30.Rb1 Bf2! (30...Bf2 31.Kf2 Be4 32.Rb2 Bf5-+) 0–1. Kozel,R (2415) – Brodsky,M (2570), 2nd Geller Mem Open–A, 2006.

    6.Bd3 Nf6 7.c3 g6 8.0-0 Bg7 9.Bb2 0-0 10.Na3 e5 11.Bc2 Be6 12.Bb3 Qe7 13.Nc4 Bc4 14.Bc4 d5 15.Bb3 a6 16.Re1 Nc6 17.d4 e4-/+ 18.Nd2 Rfe8 19.Nf1 Rad8 20.f3 Bh6 21.Bc1 Bc1 22.Rc1 Qd6 23.fe4 Ne4 24.Nd2 Kg7 25.Ne4 de4 26.d5 Nb8 27.Qd4= Qe5 28.Re4 Qd4 29.Rd4 b5 30.Rd3 Rd6 31.c4 bc4 32.Bc4 Rb6 33.Ra1 Re4-/+ 34.d6? Rc4-+ 35.d7 Nd7! 36.Rd7 Rcb4 37.Rf1 Rf6 38.Rf6 Kf6 39.Rd6 Kg7 40.Ra6 Rb2 41.h3 Re2 42.Kf1 Re6 43.Ra7 Rb6 44.Kf2 Kf6 45.Kf3 h5 46.Ra3 Re6 47.g3 Rb6 48.g4 h4 49.Ra7 Rb3 50.Kg2 Rb2 51.Kf3 Rh2 52.g5? Kg5 53.Rf7 Rh3 54.Kg2 Ra3 55.Rb7 Rg3 56.Kh2 Kh5 57.Rh7 Kg4 58.Ra7 Rf3 59.Kg2 g5 60.Ra4 Rf4 61.Ra5 Rb4 62.Ra2 h3 63.Kh2 Kh4 64.Ra1 g4 65.Kg1 g3 66.Kh1 Rf4 67.Rg1 g2 68.Kh2 Rf1 69.Rf1 gf1B (69...gf1B 70.Kg1 Bc4-+; 69...gf1R?!; 69...gf1Q?!) 0–1. Wojtaszewski,Piotr – Surman,Martin, Last Chance Tournament C17 Poland, 2006.

    6.d4 d5=+ 7.Bd3 Bg4 8.h3 Bh5 (8...Bf5 9.Ne5 Qb6 10.c3-/+) 9.0-0 (9.c3 e6=+) 9...e6-/+ 10.c4 (10.c3 Nd7=+) 10...Nc6 (10...Bb4?! 11.Qa4 Nc6 12.Ne5=) 11.cd5 (11.c5 Qf6 (11...Nb4?! 12.Qa4 Nc6 13.Ne5=) 12.g4 A) 12...Nd4? A1) 13.gh5?? Nf3 (13...Qf3?! 14.Bb5 Kd8 15.Qd4=) 14.Kh1 Qf5-+ (worse 14...Qa1 15.Qf3 Qd4 16.Bb5 Ke7 17.Qf4-+); A2) 13.Nd4 Bg6 14.Be4 Be4 15.Be3+-; B) 12...Bg6=+) 11...ed5 (11...Qd5!? 12.g4 Bg6-+) 12.b5-/+ Nb4 13.Be2 Bd6 14.g4 (14.Ra4!? a6 15.Nfd2 Be2 16.Qe2=+) 14...Bg6-/+ 15.Ne5 0-0 16.Ba3 (16.Qb3 Qb6 17.Ng6 fg6-/+) 16...a5 (16...Qh4 17.Bb4 Bb4 18.Qb3-+) 17.ba6-/+ Na6 18.Qb3 Be5 19.de5 Nac5 20.Qe3 (20.Qb2!? Qh4 21.Nc3 Rfd8 22.Bc5 Ra1 (22...Nc5?! 23.Ra8 Ra8 24.Qb4=+) 23.Ra1 Nc5-+) 20...d4 21.Qf4 d3 (21...Ne6 22.Qh2-+) 22.Bf3 Ne6 (better 22...Qg5!? 23.Qg5 Ng5-/+) 23.Qe3=+ Qd4 24.Be4 Be4 (24...Qa1!? 25.Bf8 Be4 26.Bg7 Qd4-/+) 25.Nd2=+ Rfd8 (better 25...Qe3!? 26.fe3 Bc6 27.Bf8 Rf8=) 26.Ne4 (26.Qe4 Qc3 27.Bb4 Qa1 28.Ra1 Ra1 29.Kh2 Ra4 30.Qb7 Ra2+-) 26...d2 (26...Qe5 27.Bd6 Qa1 28.Ra1 Ra1 29.Kh2+/-) 27.Rfd1+/- Qe3 28.fe3 Rd3 29.Bb2 Ra1 30.Ba1 Re3 31.Nd2 Rh3 32.Ne4 h5 (32...b5 33.Rb1+/-) 33.gh5+- Rh5 34.Rb1 Rh4 35.Nd6 Nf4? (better 35...Nd8+-) 36.Rb7 1-0. Fier,A (2565) - Solon,N (2305), Titled Tuesday, 2021. (=1.e4 B50: Sicilian: 2...d6, Miscellaneous 1...c5 2.Nf3 d6 3.b4 cb4 4.a3)

    6.Be2 d5 7.0-0 e6 8.d3 Nf6 9.Bb2? (better is 9.c3!?+=) 9...Bb4-+ 10.Nc3 Nc6 11.Nb5 Be7 12.Ne5 0-0 (12...Bd7 13.c4-+) 13.Qd2 (13.Nc6 bc6 14.Ra7 Ra7 15.Na7 Bb7-+) 13...Bd7-+ 14.c4 Ne5 15.Be5 dc4 16.Rfb1 Bb5 17.Rb5 b6 18.Qc2 cd3 19.Bd3 Rc8 20.Qe2 Nd5 21.Rb3 g6 22.g3 a5 23.Rd1 (23.Ba6 Ra8-+) 23...Bf6 24.Bb1 Be5 25.Qe5 Rc5 26.Qd4 Qc7 27.Qb2 Nc3 28.Re1 Nb1 (28...b5 29.h3-+) 29.Rb1 Rc2 30.Qf6 Rc1 31.Rc1 Qc1 32.Kg2 Qc6 33.Kh3 a4 34.Rb4 a3 35.Qd4 a2 0–1. Clough,Fred (2045) – Clews,WA (1895), BCCA/Silv/2012 (ENG), 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6 5.ab4 Ne4)

    6.Bb5 Nc6

    7.0-0 e6 8.d3 Nf6 9.Be3 a6 10.Bc6 bc6 11.c4 Be7 12.Nc3 0-0 13.d4 Rb8 14.Ra4 Bd7-/+ 15.Ra6 Rb4 16.Qd3 Qc7 17.Rfa1 Rfb8 18.Bf4 c5 19.Ra7 R4b7 20.Rb7=+ Rb7 21.Ra8 Ne8 22.h3 Ra7 23.Ra7 Qa7 24.dc5 Qc5 25.Be3 Qa3 26.Nd4 Bf6 27.Kh2 g6 28.Nde2 Bg7 29.Qd2 Qb4 30.Qd3 Bc6 31.Bd4 Bf8 32.Ng3 Bb7 33.Nce4 f5 34.Nd2 e5 35.Bc3 Qb6 36.Qe3 Qe3-+ 37.fe3 Kf7 38.Kg1 Nf6 39.Kf2 Ke6 40.Bb4 Be7 41.Ne2 Ne4 42.Ne4 Be4 43.Nc1 h5 44.g3 h4 0–1. Torgersen,Terje (2010) – Sterud,Edvard (2195), Norwegian Championship, 2008.

    7.0-0 e6 8.d3 Nf6 9.Be3 Bd7 10.Bc6 bc6 11.Ra7 Ra7 12.Ba7 Qc7 13.Be3 Be7 14.c4 0-0 15.Nc3 Rb8 16.Qb3 Ng4 17.Bg5 f6 18.Bd2 d5 19.Ne2 Bd6 20.h3 Nh2 21.Nh2 Bh2 22.Kh1 Bd6 23.Rb1 Qb6 24.Kg1 Bc5 25.Be1 Be8 26.Ra1 Bb4 27.Qb4 Qb4 28.Bb4 Rb4 29.Ra8 Kf8 30.Nd4 Ke7 31.Ne6 Ke6 32.Re8 Kf7 33.Rc8 dc4 34.dc4 Rc4 35.Rc7 Kg6 36.g4 Kh6 37.Rf7 Rc5 38.Kg2 Kg6 39.Rc7 h5 40.Kg3 Kh6 41.gh5 Rg5 42.Kh2 c5 43.f4 Rh5 44.Kg3 Rd5 ½–½. Torgersen,Terje (2010) – Lorentzen,Oeystein (2475), Norwegian Championship, 2008.

    7.c3? Qb6!? 8.Qe2 Bd7 -/+.

    7.c3? e6 8.d3 Nf6 9.0-0 Be7 10.Nd4 Qc7 11.Nc6 bc6 12.Qf3 Nd5 13.Bc4 0-0 14.d4 Bb7 15.Qg3 a5 16.ba5 Ra5 17.Bh6 Bf6 18.Nd2 Nc3! 19.Qc3 Ra1 20.Ra1 gh6 (20...gh6 21.Ne4 Be7 22.Qg3 Kh8-/+) 0–1. Maly,Guenther (1740) – Brugger,Andreas (2245), remoteschach.de, 2008.

    7.Nc3 Nf6 =.

    7.Qe2 Nf6 8.0-0 Bd7 9.Bc6 Bc6 10.b5 Bf3 11.Qf3 d5 12.Ba3 h5 13.Nc3 e5 (13...e6 14.Bf8 Rf8 15.Ra4=+) 14.Bf8 Kf8 15.Ra4 g6 (15...Rh6 16.Rfa1 d4 17.Ne2=) 16.Rfa1 Kg7 17.h3 Re8 Black prepares the advance e4 18.Ra7 Ra7 19.Ra7 e4 20.Qd1 Qb6 21.Qa1 (21.Ra4 Re5=) 21...Qd4=+ 22.Nb1 Qa1 23.Ra1 Rc8 24.Ra2 d4 25.c3 Rc5 26.Rb2 Nd5 (26...d3 27.Rb4=+) 27.cd4= Rc4 28.Na3 (28.Nc3!? Rd4 29.Nd5 Rd5 30.f3=+) 28...Rd4-/+ 29.b6 Nf4 30.Rc2 Rd6 31.Rc4 Ne6 32.Re4 Rb6 33.Kf1 Rb3 34.Nc4 Rb4 35.d3 (35.Nd6 Re4 36.Ne4 b5=+) 35...b5 (35...Nc5 36.Re3 Nd3 37.Rd3 Rc4 38.Rb3-/+) 36.Nd2=+ Rd4 37.Ke2 (37.Rd4!? Nd4 38.f4=+) 37...Nf4-/+ 38.Kf3 Rd3 39.Kf4 Rd2 40.Ke3 Rd1 41.Rb4 Rd5 42.Rd4 Re5 43.Kd2 Rg5 44.g3 Rf5 45.Ke3 Re5 46.Kd2 Kf6 47.Rd7 Re7 (47...g5!?-/+) 48.Rd5=+ Rb7 49.Kc3 Ra7 (49...Rc7 50.Kd3-/+) 50.Rb5=+ Ra2 51.Kd3 (51.Rb2 Rb2 52.Kb2-/+) 51...Rf2-/+ 52.Ke3 Rc2 53.Rb6 ½-½. dany59 (2210) - marekt (2030), gameknot.com, 2014.

    5.Bb5 Bd7

    6.Bd7 Qd7 7.d3 Nc6 8.0-0 g6 9.ab4 Nb4 10.e5 de5 11.Bb2 Nc6 12.Re1 Bg7 13.Ne5 Ne5 14.Be5 0-0 15.Nd2 Rfc8 16.Nf3 e6 17.Ra2 a6 18.Qa1 Qe7 19.Rb1 Ne8 20.Bg7 Ng7 21.Rb6 Ne8 22.Rab2 Rc7 23.c4 Rd8 24.R2b3 Rd6 25.h3 Rb6 26.Rb6 Nd6 27.Ne5 Nc8 28.Rb1 f6 29.Ng4 Kf7 30.Qd4 h5 31.Ne3 Qd6 32.Qe4 Qc6 33.Qf4 g5 34.Qd4 Rd7 35.Qc3 Nd6 36.Qc2 Kg7 37.Nf1 Nf5 38.Qd1 Kg6 39.Qd2 Nh4 40.Ne3?? Qg2!!-+ 41.Ng2 Nf3 42.Kh1 Nd2 43.Rg1 Kh6 44.Rd1 Nc4! 45.Re1 Rd3 46.Re6 Rh3 47.Kg1 Rf3 48.Re8 h4 49.Rh8 Kg6 50.Rg8 Kf7 51.Rc8 b5 52.Ra8 a5 53.Rb8 b4 54.Rb7 Kg6 55.Rb5 b3 56.Ne3 Re3 57.fe3 b2 58.Kg2 a4 0–1. Borges,F – Sandrin,Angelo, US op, 1954.

    6.Qe2 Qa5 7.Bd7 Nbd7 8.0-0 (8.Bb2 Rc8 9.0-0 Rc2 10.ab4 Qb4 11.Bf6 Nf6 12.Ra7 e5+=) 8...e6 (8...Nc5 9.e5 de5 10.Qe5=) 9.Bb2= Be7 (9...d5 10.ed5 Qd5 11.Re1=) 10.e5 (10.ab4!? Qb4 11.Nc3=) 10...de5 (10...Nd5 11.ed6 Bd6 12.ab4 (12.Bg7? Rg8 13.ab4 Nf4 14.Qe6 fe6 15.ba5 Rg7-+) 12...Qb4 13.Ba3= (13.Bg7? Qg4 14.Bh6 Qh5-+)) 11.Ne5 Ne5 (11...b3 12.cb3 0-0 13.Nd7 Nd7 14.Nc3=+) 12.Be5 ba3 (12...Nd7 13.Bg7 Rg8 14.Bb2=+) 13.Na3= Ba3 14.Bf6 gf6 15.Qf3 Qd5 16.Qa3 (16.Qd5 ed5 17.Ra3 0-0=) 16...Rg8=+ 17.g3 a6 (17...a5 18.Rfb1=+) 18.c4 (18.Qc3 f5=) 18...Qc6 (18...Qc4 19.Rfc1 Qf4 20.Rab1=) 19.d4 Qc4 (19...Rg4 20.d5 Qc4 21.Qf3=) 20.Rac1 (20.Rfc1 Qd4 21.Rc7 Qd8 22.Rb7 Rb8 23.Qe7 Qe7 24.Rb8 Qd8 25.Rd8 Kd8 26.Ra6 Ke7=+) 20...Qd4 21.Rfd1 Qe5 (21...Qf4 22.Qd3 Qb8 23.Qh7=) 22.Rc5 Qb8 (22...Qe2 23.Rdc1 Rd8 24.Rc8+-) 23.Rdc1 (23.Qc3!? Kf8 24.Qf6+=) 23...Rg5 (23...b5 24.Rc7 Qd8 25.Rb7=+) 24.Rc7 Qd8 25.Rb7 Rb5 26.Qa4 Kf8 27.Rb5 ½–½. Reboredo,Daniel (1700) – Jorgensen,Poulerik (1700), FICGS, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.Bb5 Bd7)

    6.Qe2 Bb5 7.Qb5 Qd7 8.Qb4 Nc6 9.Qc4 Qg4 10.0-0 Qe4 11.Qb3 Rb8 12.Re1 Qf5 13.d3 e6 14.Nc3 Be7 15.h3 0-0 16.Ne4 Ne4 17.Re4 Bf6 18.Rb1 Rfc8 19.Rf4 Qh5 20.Bb2 Bb2 21.Qb2 e5 22.Rh4 Qf5 23.Qc1 h6 24.Rg4 Qe6 25.Qe3 f5 26.Rh4 Re8 27.Re1 Qf6 28.Rh5 Qg6 29.Rh4 f4 30.Qd2 Qf6 31.d4? Nd4-+ 32.Rg4 h5 33.Nd4 hg4 34.Nb5 gh3 35.Nd6 Rbd8 36.Ne8 Rd2 37.Nf6 gf6 38.gh3 Rc2 39.Rd1 Rc3 40.Rd8 Kf7 41.Rd7 Kg6 42.Rb7 Ra3 43.Kg2 a5 44.h4 a4 45.f3 Ra2 46.Kh3 Rf2 47.Rb8 Rf3 (47...Rf3 48.Kg2 Rb3-+) 0–1. Nytrova,A (1840) – Haba,Z (2200), 5th Highlands Open A, Zdar nad Sazavou, 2008.

    6.Qe2 Bb5 7.Qb5 Qd7 8.Qb4 Nc6 9.Qc4 g6 10.Bb2= Bg7 11.0-0 0-0 12.Re1 Rac8 13.d3 (13.Nc3 Ng4=) 13...Rc7 14.Qa4 (14.Nc3 Ng4 15.Qb5 Bc3 16.Bc3 Nce5 17.Qd7 Nd7+=) 14...b5 15.Qb3 (15.Qb5? Rb8 16.Qg5 Rb2-+) 15...a5 16.e5 (16.Qb5? Rb8 17.Qg5 Rb2-+) 16...de5 17.Ne5 (17.Qb5? Rb8 18.Ne5 Rb5 19.Nd7 Rb2 (19...Rd7?! 20.Bc3-+; worse is 19...Nd7 20.Bg7 Kg7 21.Ra2-+) 20.Nf6 Bf6-+; worse is 17.Be5 Ne5 18.Ne5 Qd6+=) 17...Ne5 18.Be5 (18.Re5? a4 19.Qb4 Rc2-+) 18...Rb7 19.Nd2 Rc8 20.Nf3 Qd5 21.Qb2 Qc5 22.c4 Ne8? (better is 22...Rd8!? 23.Rec1 Rd3+=) 23.Bg7+/- Ng7 24.Re5 Qd6 25.Rd5 Qc6 26.Rb5 (26.Rb5 Rb5 27.cb5+/-) 1–0. Lynn,William – Croad,Nicholas, Auckland op, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6 5.Bb5 Bd7)

    6.Qe2 Bb5 7.Qb5 Qd7 8.Qb4 e6 9.Qc4 Na6 10.Qe2 Rc8 11.d3 Qa4 12.c3 Nc5 13.0-0 Be7 14.Be3 0-0 15.Ra2 d5 16.e5 Ng4 17.Bc1 Nb3 (17...f6!? 18.ef6 Nf6=) 18.Qc2 Nc5 19.h3 Qc2 20.Rc2 Nh6 21.Bh6 gh6 22.Rd1 Rfd8 23.Kf1 Na4 24.Re1 b5 25.Ke2 Rd7 26.Nd4 Bg5 (26...a6 27.f4+=) 27.Rf1 Bf4 28.Nf3 (worse is 28.Nb5 Be5 29.f4 Bf6+=) 28...d4 29.g3 Bg5 30.Ng5 hg5 31.Rfc1 Rdc7 32.Kd2 Nc5 33.Rb2 a6 34.c4 (34.f4 Na4 35.Rb3 dc3 36.Nc3 Nc5+=) 34...bc4 35.dc4 Ne4 (35...d3!?=) 36.Kd3+= Nc5 37.Kd4 Rd7 38.Ke3 Nd3 39.Rd2 Ne5 40.Rd7 Nd7 41.Nd2 f5 42.Nb3 Ne5 43.c5+/- Nc6 44.Nd4 Kf7 45.Rb1 Ne5 46.Rb7 Kf6 47.Nb3 Nc4 48.Kd4 Na3 49.Rb6 Nb5 50.Kc4 Nc7 51.Nd4 a5?? 52.f4?? gf4+= 53.gf4 Re8 54.c6 Rd8 55.Nb5 Nb5 56.Kb5+/- Ke7?? 57.c7+- Rc8 58.Kc6 e5 59.fe5 f4 60.Kb7 (60.Kb7 Re8 61.Rf6+-) 1–0. Mouhamad,Joachin (1975) – Ternault,Mathieu (1910), FRA–ch U16 Aix les Bains, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6 5.Bb5 Bd7)

    6.Qe2 Bb5 7.Qb5 Qd7 8.Qe2 Qg4 (8...Nc6 9.ab4 Nb4 10.d3+=) 9.e5 (9.ab4!? Nc6 10.Nc3 Qg2 11.Rg1+=) 9...de5-/+ (9...Qg2? 10.Rg1 Qh3 11.ef6 gf6 12.ab4+-) 10.Ne5 (10.Qb5!? Nc6 11.0-0-/+) 10...Qg2-+ 11.Rf1 Nbd7 (11...e6 12.Nf3 Qg6 13.Qb5 Nc6 14.d3-+) 12.Nf3 Qg6 13.d3 Qh5 (better is 13...Nd5!?-+) 14.ab4-/+ e6 15.Bd2 (15.c3 Bd6-/+) 15...Nd5 16.c3 Be7 17.Rg1 0-0 18.Na3 (18.b5 Rfd8-/+) 18...Rfc8 (18...Bf6 19.d4 e5 20.Ne5 Qe2 21.Ke2 Ne5 22.de5 Be5 23.Kf3-+) 19.Nc4 (better is 19.Nb1!?-/+) 19...Bf6 20.Ra3 b5 21.Nd6 Nc3 22.Rc3 (22.Qe3 Ne5 23.Rg3 Nb1-+) 22...Rc3 (22...Bc3?! 23.Nc8 Bd2 24.Nd2 Qe2 25.Ke2 Rc8 26.Ra1-+) 23.Ne4 (23.Bc3 Bc3 24.Kf1 Bb4 25.Qe4-+) 23...Ra3 (23...Rb3 24.Nf6 Nf6 25.Kf1-+) 24.Nf6 (24.Kf1 Rc8-+) 24...Nf6 25.Bc1 (25.Kf1 Rd8 26.Ne1 Qh3 27.Rg2 Nd5-+) 25...Ra1 26.Qb2 Rc1! 27.Qc1 Qf3 28.Qg5 g6 29.Rg3 Qf5 (29...Qh1 30.Rg1 Qh2 31.Rg3-+) 30.Qe3 (30.Qf5 ef5 31.d4 Rd8-+) 30...Nd5 31.Qh6 0–1. Kirschner,Peter – Mutschnik,Ilia (2415), Oberliga Baden, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.Bb5 Bd7)

    6.Qe2 Nc6 7.0-0 a6 8.Bc4 e6 9.ab4 Nb4 10.Bb3 Be7 11.Ba3 Nc6 12.d4 0-0 13.e5 de5 14.de5 Nd5 15.Rd1 Ba3 16.Ra3 Qe7 17.Bd5 ed5 18.Rd5 Be6 19.Rd2 Rac8 20.Nd4 Nd4 21.Rd4 Bf5 22.Rc3 Rc3 23.Nc3 Qc5 24.Rc4 Qa5-/+ 25.Nd1 Rd8 26.Ne3 Qe5 27.h3 Be6 28.Rh4 h6 29.Qf3 b5 30.Rh5 Qc3 31.Kh2 Qc7 32.g3 Rd2 33.Rh4 a5 34.Rf4 a4 35.h4 Qa7 (35...Qa7 36.Rb4 a3-+) 0–1. Levitsky,SV – Stein,Leonid, UKR–ch Kiev, 1960.

    6.Bd7 Nbd7

    7.d3 ba3 8.0-0 g6 9.Bg5 Bg7 10.Ra3 0-0 11.Nbd2 Qc7 0–1. Bogad,Peter – Vujadinovic,Milan (2220), IECC, 2006.

    7.d3 ba3 8.Na3 g6 9.Rb1 White threatens to win material: Rb1xb7 9...Rb8 10.Be3?? (better 10.0-0= this is the best way to fight back) 10...Qa5-+ 11.Qd2 Qa3 12.0-0 Qa6 13.Ra1 Qc6 14.Ba7 Rc8 15.Nd4 Qc3 16.Qe3 (16.Qc3 Rc3 17.Rfb1 e5 18.Rb7 ed4 19.Bd4 Rc8-+) 16...Bg7 17.Nb5 Qc6 (17...Qc2?! is clearly worse 18.Rfc1 0-0 19.Rc2 Rc2 20.Rb1+=) 18.Nd4 Qc7 19.Nb5 Qd8 (19...Qc2?! is the weaker alternative 20.Rfc1+=) 20.e5 (20.Ra2 doesn't improve anything 20...b6-+) 20...de5 21.c4 b6 22.Qf3 0-0 23.Rfb1 (23.Ra4 does not improve anything 23...Nc5 24.Ra3 Nfd7-+) 23...e4! Deflection: e4 24.de4 (24.Qe2 doesn't do any good 24...ed3 25.Qd3 Rc6-+) 24...Ne5 (better 24...Rc4 keeps an even firmer grip 25.Rd1-+) 25.Qe2 Qd3 26.Qd3 Nd3 27.Bb6 Ne4 28.Ra7 Rc4 29.Re7 Nf6 (better 29...Rb8!? makes it even easier for Black 30.Be3-+) 30.Be3 Nd5 31.Rd7 Ne3 32.Rd3 Nf5 33.g3 h5 34.Na3 Rc5 35.Kg2 Ra8 36.Rb5 Rb5 37.Nb5 Rb8 38.Nc7 (38.Rd5 cannot change destiny 38...Rc8-+) 38...Rc8 (38...Rb2!? seems even better 39.Nd5-+) 39.Nd5 Kf8 40.Nb6 (40.h3 does not save the day 40...Rc5-+) 40...Re8 (40...Rc2!? keeps an even firmer grip 41.Nd5-+) 41.Nd7 Kg8 42.Nc5 Bd4 43.Nb3 Bb6 44.Kf3 Ra8 45.Nc1 Rd8 (45...Ra1!? makes it even easier for Black 46.Rc3-+) 46.Rb3 (46.Rd8 no good, but what else? 46...Bd8 47.Ke4-+) 46…Nd4 (46...Nd4 47.Kg2 Nb3 48.Nb3 Rd3-+) 0–1. Chizhikov,V (2300) – Kozionov,Kirill (2455), ch–RUS Blitz, 2018. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.Bb5 Bd7 6.Bd7 Nbd7)

    7.Qe2 ba3 8.0-0 e6 9.Nc3 Be7 10.Ba3 a6 11.Rfb1 Qc7 12.Bb2 0-0 13.h3 b5 14.d3 Rfc8 15.Rc1 Nb6 16.Nh2 d5 17.e5 Nfd7 18.f4 Qc6 19.Nf3 Bc5 20.Kh2 b4 21.Nd1 a5 22.Bd4 a4 23.Bf2 a3 24.Ne3 Na4 25.Ng4 Nc3 26.Qe1 Bf2 27.Qf2 Qc5 28.Qh4 Nf8 29.d4 Qc7 30.Qg3 Ne2 31.Nf6 Kh8 32.Qh4 gf6 33.Qf6 Kg8 34.Re1 Nc3 35.Ng5 Ng6 36.h4 Qe7 37.Re3 Qf6 38.ef6 Nf4 39.Rg3 Nce2 40.Rg4 h5 (40...h5 41.Rf4 Nf4-+) 0–1. Suttles,Duncan – Cayford,Anthony, CAN–ch Brockville, 1961.

    7.Qe2 ba3 8.Ba3 e6 9.0-0 Be7 10.d4 0-0 11.c4 Nb6 12.Rc1 a6 13.Nbd2 Rc8 14.Rab1 Nfd7 15.Bb4 e5 16.Ba5 Rc6 17.Rb4 ed4 18.Nd4 Rc5 19.N4b3 Rc6 20.Qe3 Qc7 21.Nf3 Re8 22.Nfd4 Rc5= 23.Nf5 Rc6 24.Nd2 Bf6 25.Rcb1+/- Rc5 26.Bb6 Nb6 27.Rb6 Rf5 28.Rb7 Qc6 29.R1b6 Qa4 30.g3 h6 31.Rd6 Bg5 32.Qd3 Rf6 33.Rf6 Bf6 34.Qd5 Be7 35.Rd7 Qa3 36.e5 Qc5 37.Ne4 Qd5 38.cd5 Bb4 39.f4 a5 40.Rc7 Rb8 41.Kg2 Kf8 42.d6 a4 43.f5 a3 44.e6 fe6 45.fe6 Ra8 46.Rf7 Kg8 47.Rf1 Bd6? 48.Nd6 a2 49.e7 1–0. Perez Conde,Fernando (2120) – Limbert,Neil (2115), England (BCCA) – Spain, 2006.

    7.Qe2 Qc7 8.d3 b3 9.c3 g6 10.0-0 Bg7 11.Bb2 0-0 12.Nbd2 Nc5 13.a4 d5 14.e5 Nh5 15.g3 Qd7 16.a5 Qf5 17.d4 Qc2 18.Rfc1 Qd3 19.Kf1 Qe2 20.Ke2 Nd7 21.Nb3 Rfc8 22.Ba3 Bf8 23.Nfd2 b5 24.ab6 Nb6 25.Bc5 Ng7 26.Ra6 e6 27.Rca1 Bc5 28.Nc5 h5 29.Ra7 Ne8 30.Ra8 Ra8 31.Ra8 Na8 32.Nd7 Kg7 33.c4 Nac7 34.c5 Nb5 35.Kd3 g5 36.Nb3 Nec7 37.Ke3 Kg6 38.Nb8 Nc3 39.f3 Kf5 40.c6 f6 41.ef6 Kf6 42.Nc5 N3b5 43.Nba6 Ke7 44.Nc7 Nc7 45.Nd7 Ne8 46.h3 Nd6 47.g4 Nc4 48.Kf2 hg4 49.hg4 Kd6 50.Nf8 e5 51.c7 Kc7 52.de5 Ne5 53.Ne6 Kd6 54.Ng5 Ng6 55.Kg3 Ke5 56.Nh3 d4 57.f4 Ke4 58.Nf2 Ke3 59.f5 Nf4 60.Nd1 Ke4+/- 61.Kh4 Nd5 62.Kg5 Kf3 63.Nb2 Nf4?? 64.f6+- Ke4 65.f7 Ne6 66.Kf6 Nf8 67.g5 (67.g5 Nh7 68.Kg6 Nf8 69.Kg7+-) 1–0. Paszler,Jozsef – Ormos,Gaszton (2275), HUN–chT2, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.Bb5 Bd7)

    5.d3 ba3

    6.Ra3 e6-/+ 7.Ra1 Be7 8.Be2 0-0 9.Bb2 Nc6-/+ 10.Nbd2 b5 11.d4 b4 12.Bd3 a5 13.Qe2 d5 14.e5 Nd7 15.h4 h6 16.g4 g6 17.Bc1 Kg7 18.Nf1 Rh8 19.Ne3 Qb6 20.Bb2 Ba6 21.0-0 Bd3 22.Qd3 Qa6 23.Qd1 Nb6 24.h5 g5 25.Nd2 a4 26.f4 gf4 27.Rf4 Bg5 28.Qf3 Qb7 29.Rf1 Bf4 30.Qf4 Qe7 31.Nf3 Raf8 32.Nf5 ef5 33.gf5 Rfg8 34.Kf2 Kf8 35.e6 Nc4 36.Re1 Qd6 37.Ne5 N4e5 (37...N4e5 38.Re5 a3-+; 37...Nb2 38.Ng6 Kg7 39.Qd6+-) 0–1. Ovezov,A (2365) – Ilincic,Z (2560), 34th Olympiad, Istanbul TUR, 2000.

    6.Ba3 Nc6 7.Nbd2 e5 8.Be2 Be7 9.0-0 0-0 10.c4 a6 11.Qc2 Bd7 12.Rfb1 Rb8 13.d4 Nd4 14.Nd4 ed4 15.Bb2 Bc6 16.Qd3 Re8 17.Qd4 Bf8 18.f3 d5 19.cd5 Bd5 20.Rc1 Rc8 21.Ba6 (21.Rc8!? Qc8 22.Rc1+=) 21...ba6 22.ed5 Qd5 23.Qd5 Nd5 24.Rc8 Rc8 25.Bd4 Nb4 26.Bf2 Rc2 27.Nf1 f5 28.Rd1 f4 29.Rd7 (29.g3!?-/+) 29...a5-+ 30.g3 a4 31.gf4 a3 32.Rd1 a2 33.Bd4 Bc5 (33...Bc5 34.Bc5 Rc5-+) 0–1. Van Woerden,HGC – Noomen,Jeroen, corr, 1987. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.a3 Nf6 5.d3 ba3)

    6.Na3 g6 7.Bb2 Bg7 8.g3 (8.Be2 0-0+=) 8...0-0-/+ 9.Bg2 Qb6 (9...Nc6 10.0-0-/+) 10.Nc4+= Qb4 11.c3 Qc5 12.0-0 (12.Nd4 Nc6+=) 12...Bg4 (12...Ne4 13.Qe1 d5 14.Ra5-/+) 13.Qb3+= b5 (13...Be6 14.Qb7 Bc4 15.Qa8-/+) 14.Na5 (14.Na3 Nbd7 15.Nb5 Rfb8-/+) 14...Nbd7-/+ 15.Nd4 e5 16.Ndc6 Qb6 17.d4 Be2 (17...Rfe8 18.h3 Be6 19.Qa3-/+) 18.Rfc1 (18.Rfe1 Bc4 19.Qb4 Rfe8+=) 18...Bc4 (18...Rfe8 19.Qc2 Bc4 20.d5=) 19.Qc2 (19.Nc4 Qc6 20.Na5 Qb6+=) 19...Kh8 (19...Rfe8 20.d5=) 20.Qd2 (20.d5!?=) 20...Rfc8 21.Nb4 Nf8 (21...a6 22.f4-/+) 22.d5 (22.Nc4 Rc4 23.Nc2 Ne6+=) 22...N8d7 23.Nbc6 (23.Rcb1!?+=) 23...Nc5-/+ 24.Ba3 Nd3?? (better is 24...Nfe4 25.Nc4 Nd2 26.Nb6 ab6-+) 25.Nc4+= bc4 26.Rcb1 Qc7 27.Qa2 Nd7 28.Qc4 N3c5 29.Bh3 Re8 30.Bb4 Rf8 31.Bd7+- Nd7 32.Ne5! Qd8 33.Nd7 Qd7 34.Ra6 Rac8 35.Qd3 f5 36.Rd6 fe4 37.Rd7 ed3 38.Bf8 Rf8 39.Rd1 a5 40.Rd3 Ra8 41.c4 a4 42.d6 a3 43.Ra3! (43.Ra3 Ra3 44.Rd8 Bf8 45.Rf8 Kg7 46.d7+-) 1–0. Husarik,Branko (2105) – Vinklarek,Ondrej (2075), CZE–chT2c, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6)

    6.Na3 g6 7.Be2 Bg7 8.Bd2 Nc6 9.h3 0-0 10.c3 e5 11.c4 Be6 12.Qb1 Qc8 13.Nb5 Rd8 14.Ng5 h6 15.Ne6 fe6 (worse is 15...Qe6 16.Nc7 Qd7 17.Na8 Ra8 18.Be3+/-) 16.Qc1 a6 17.Nc3 Nd4 18.Bd1 Kh7 19.Na4 Qc6 20.Ba5 Rf8 21.Nb6 Rab8 22.Qa3 Nd7 23.Qb2 Nc5 24.Ra3 Rf7 25.0-0 Rbf8 26.Bd2 h5 27.Be3 Bh6 28.Bh6 Kh6 29.Qd2 Kh7 30.Qb4 Qc7 31.Na4 Na4 32.Qa4 Qc5 33.Ra2 Kg7 34.Rb2 Qc6 35.Qa3 Qc5 36.Qa1 Nc6 37.Qb1 Qa7 38.Qc2 Qc5 39.Qd2 Qd4 40.Qc2 Qc5 41.Qd2 Nd4 42.Qg5 Kh7 43.Re1 Qa5 44.Re3? Qd8?? 45.Qg3? h4-+ 46.Qh2 Qg5 47.Re1?! Qc1 48.Ra2 Qb1 49.Rd2 Qb4 50.Rde2 Ne2 51.Re2 Rf2! (51...Rf2 52.Qf4 R2f4 53.Ba4 Rf1 54.Kh2 Qb1 55.Bd1 Qd1 56.Re1 Qe1 57.d4 Qg3) 0–1. Sutr,Thomas – Hoffmann,Erich, AUT–chT2S, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6)

    6.c3 g6 7.Nbd2 Bg7 8.d4 0-0 9.Bd3 a6 10.Ra3 d5 11.e5 Ne8 12.Nh4 Nc6 13.f4 f5 14.Ndf3 Nc7 15.0-0 b5 16.Ng5 Bd7 17.g4 e6 18.gf5 ef5 19.Ra2 Ne6 20.Rg2 Ng5 21.fg5 Be6 22.Ba3 Rf7 23.Nf3 Bf8 24.Bf8 Qf8 25.h4 Qa3 26.h5 Ne7 27.Qd2 Rc8-+ 28.hg6 hg6 29.Rh2 Rc3 30.Ne1 Qc1 31.Qf2 Qg5 32.Kh1 Rh7 33.Rg1 Rh2 34.Qh2 Qe3 35.Qh4 Rd3 36.Nd3 Qd3 37.Kh2 f4 38.Rc1 0–1. Najdekier,Andrzej – Bednarski,Jacek B, Poland–ch, 1964.

    6.Be2 Nc6 7.0-0 g6 8.Na3 Bg7 9.c3 0-0 10.Qb3 a6 11.h3 b5 12.Be3 d5 13.e5 Nd7 14.d4 Nb6 15.Ra2 Bb7 16.Ng5 Qc7 17.Rfa1 e6 18.Bf4 Na5 19.Nb5 Qe5 20.Be5 Nb3 21.Bg7 Kg7 22.Rb1 ab5 23.Ra8 Ra8 24.Rb3 h6 25.Nf3 Ra1 26.Kh2 Ba6 27.Bb5 Bb5 28.Rb5 Nc4 29.Rb3 Rf1 30.Kg3 Nd6 31.Nd2 Rd1 32.Nf3 Ne4 33.Kf4 Rd3 34.h4 Nf2 35.Ne1 Rd2 36.Nf3 Rc2 37.Ne5 g5! 38.hg5 hg5 39.Kf3 f6 40.Rb7 Kh6 41.Nd7 Ne4 42.Nf8 Rf2 43.Ke3 Kh5 (43...Kh5 44.Ne6 f5 45.Ng7 Kg4 46.Nf5 Rf5-+) 0–1. Pinasco,Damian (2050) – Wurschner,Miroslav (2165), IECG, 2002.

    5.d3 Nc6

    6.ab4 Nb4 7.c3 Nc6 8.Qc2 e6 (8...e5 9.d4-/+) 9.d4+= Bd7 10.Bd3 Qc7 11.Na3 Rc8 12.0-0 a6 13.Qb1 Be7 14.Ne1 (14.Re1 b5+=) 14...h6 (14...b5 15.Nf3-/+) 15.f4 (15.Nf3 b5+=) 15...d5 (15...b5 16.Nf3-/+) 16.e5+= Ne4 17.Be4 de4 18.Nec2 (18.Qe4 Na5 19.Bb2 Ba3 20.Ba3 Qc3-+) 18...Na5 19.Bd2 f5 (19...Ba4 20.Ra2-/+) 20.Ne3 (20.ef6 gf6 21.Ne3 f5-/+) 20...g5 (20...Ba4 21.Ra2-/+) 21.g3 (21.Qd1 gf4 22.Rf4 Bg5-/+) 21...g4 (21...Ba4 22.Ra2-+) 22.Kg2 (22.Rf2 h5-/+) 22...Rg8 (22...Ba4!? 23.Ra2 b5-+) 23.d5 ed5 24.Nd5 Qc5 25.Ne3 (25.Ne7 Qe7 26.Nc2-/+) 25...Qa7 (25...Be6 26.c4-/+) 26.Ra2 (26.Nd5 Rg7 27.Be3 Bc5+=) 26...Rf8 (26...b6 27.c4 Ba3 28.Ba5-/+) 27.Nac2 b6 28.Nd4+= Bb5 29.Nb5+/- ab5 30.Rd1 Qb7 31.h3 gh3-/+ 32.Kh2 Nc4 33.Nc4 bc4+= 34.Be3 Bc5 35.Bd4 Bd4-/+ 36.cd4 b5 37.d5 c3 38.d6= Rf7?? 39.e6+- Rg7 40.d7 (40.d7 Ke7 41.Qb5 Qb5 42.dc8Q+-) 1–0. Konstacky,Matej (2035) – Hess,Pavel (1750), CZE–ch U16 Sec, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6)

    6.ab4 Nb4 7.c3 Nc6 8.Nbd2 g6 9.d4 Bg7 10.Bd3 0-0 11.0-0 Nh5 12.Qb3 Nf4 13.Bc4 Na5 14.Qa2 Nc4 15.Nc4 Nh5 16.Qc2 Bg4 17.Qd3 Qc7 18.Ne3 Nf4 19.Nd5 Nd5 20.ed5 a5 21.Nh4 Bd7 22.Rb1 b5 23.Re1 Bf6 24.Qg3 Bh4 (24...Rfc8!? 25.Bg5 Qc3 26.Nf3-+) 25.Qh4-/+ Qc3 26.Bh6 Rfe8 27.Rbc1 Qb4 (27...Qb2 28.Rc7 Qb4-/+) 28.h3?? (28.Rb1 Qc3 29.Rbc1-/+) 28...f6-+ 29.Re3 Kf7 (29...a4!? 30.Rec3-+) 30.Rc7 Rad8 31.Bg5 Kg8 32.Bf6+= ef6 33.Re8 Re8 34.Rd7 Qe1 35.Kh2 Re7 36.Rd6 Rf7 37.Re6 Qc1 38.Qe4 Qc7 39.d6 Qd7 40.d5 b4 41.Qc4 Kg7 42.Qc6 b3+= 43.Re7? Re7-+ 44.de7 Qe7 45.d6 Qe5 46.g3 b2 47.Qb7 Kh6 48.d7 Qd4 49.Kg2 a4 50.d8Q Qd8 51.Qb2 Qd6 52.Qa2 Qb4 53.Qa1 Kg7 54.Qc1 Qe7 55.Qc4 Qa7 56.g4 Qb7 57.Kh2 a3 58.Qa4 Qb2 59.Kg2 Qb7 60.Kf1?? Qe7 61.Kg2 h5 62.g5 fg5 63.Qd4 Kh7 64.Qa4 Qb7 65.Kg1 Qb2 66.h4 Qc1 67.Kg2 gh4 68.Qb3 Qg5 69.Kf1 Qe7 70.Kg2 Qe4 71.Kh2 Qf4 72.Kg2 Qg4 73.Kh2 h3! 74.Qf7 Kh6 75.Qf8 Kg5 76.Qe7 Kf4 77.Qe3 Kf5 78.Qd3 Ke5 79.Qc3 Qd4 80.Qa3 Qf2 81.Kh3 Qf5 82.Kg2 Qe4 83.Kh3 Kf4 84.Qd6 Kf3 85.Qg3 Ke2 86.Qh2 Kd3 87.Qd6 Ke3 88.Qa3 Qd3 89.Qc5 Kf3 90.Qc7 Qf5 (90...Qf5 91.Kh2 Qf4 92.Qf4 Kf4-+) 0–1. Milicia,M – Pantaleoni,Leone, corr, 1989. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.a3 Nf6)

    6.ab4 Nb4 7.c3 Nc6 8.d4 d5 (worse is 8...Ne4 9.d5+=) 9.ed5 Qd5 +=.

    6.ab4 Nb4 7.c4 Nc6 8.Nc3 g6 9.d4 Bg7 10.Be2 0-0 11.0-0 b6 12.d5 Na5 13.Nd4 Ba6 14.Ra4 Nd7 15.Bb2 Ne5 16.Ncb5 Qd7 17.f4 Nec4=+ 18.Bc4 Nc4 19.Ra6 Nb2 20.Qb3 Qc8 21.Rfa1 Nc4 22.Nc6 Na5?? 23.R1a5+- Qg4 24.Ra3 Qf4 25.Qe3 Qh4 26.g3 Qh3 27.Nc7 f5 28.ef5 (28.ef5 Rf5 29.Ne7 Kh8 30.Nf5+-) 1–0. Czerniak,Moshe – Sanguinetti,Renato, Mar del Plata, 1950.

    6.Be2 e5 7.0-0 (7.ab4 Nb4 8.0-0 Be7=) 7...Be7 (7...d5!?-/+) 8.ab4= Nb4 9.c3 (9.Bd2 Na6=) 9...Na6 (9...Nc6 10.c4=) 10.d4 0-0 (10...ed4 11.Nd4 0-0 12.f3=) 11.de5 (better 11.Nbd2!?=) 11...de5-/+ 12.Ne5 (12.Ba6 ba6 13.Qd8 Rd8 14.Ne5 Re8=+) 12...Qd1 (12...Qc7!? 13.f4 Ne4-+) 13.Rd1=+ Ne4 14.Ba6 (14.Be3 Nac5=+) 14...ba6 15.Be3 (15.f3 Re8 16.Be3 Bf6-/+) 15...Bf6 (15...Bb7 16.f3 Nc5 17.Nd2-/+) 16.Bd4 Be5 (16...Rd8 17.f4=+) 17.Be5=+ Bb7 (17...Re8 18.Bd4=+) 18.f3 (18.Nd2 Nd2 19.Rd2 f6=+) 18...Nc5 (18...Rfe8 19.Bd4 Nd6 20.Nd2=) 19.Ra5 (19.c4 Ne6=) 19...Rac8 (19...Ne6 20.Rd7 Nd8 21.Bd4=) 20.Kf2 (20.c4 Rfe8 21.Bd6 Nd7=) 20...Rfe8=+ 21.Bf4 Ne6 (21...h6 22.Be3 Re5 23.Rc5 Rec5 24.Bc5 Rc5 25.Rd8 Kh7 26.Rd7=) 22.Be3 Red8 (22...Re7 23.Rd3=+) 23.Rc1 (23.Rd8 Nd8 24.Ra4 Nc6=) 23...Rd5 (23...g6 24.c4=+) 24.Rd5= Bd5 25.Rd1 (25.Nd2 Rc7=) 25...Ba2=+ 26.Ba7 h6 (26...a5 27.Bd4=+) 27.Be3 ½–½. Martinez,Julian (2175) – Guerrero,Hernando (1850), Subzonal, 2016. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.a3 Nf6 5.d3 Nc6)

    6.Be2 g6 7.0-0 Bg7 8.Qd2? (better is 8.ab4 Nb4 9.c3+=) 8...Ne4!-+ 9.de4 Ba1 10.c3 (10.ab4 a5 11.b5 Ne5-+) 10...bc3 11.Nc3 Be6 12.a4 Rc8 13.Ba3 Nd4! 14.Ra1 (14.Qd4 Rc3 Discovered attack; 14.Nd4 Rc3 Discovered attack) 14...Nb3 (14...Ne2?! 15.Ne2 Bg4 16.Qd4+=) 15.Qb2 Na1 16.Nb5 0-0 17.Qa1 a6 18.Nbd4 Bd7 19.Ng5 (19.Qb2 Qc7-+) 19...Qb6 (19...Ba4 20.Nde6 fe6 21.Ne6+-) 20.Bb2 (20.Bd1-+) 20...e5 21.Ndf3 (21.a5 Qb4 22.Bf1 ed4 23.Bd4-+) 21...Rc2 22.Be5 de5 23.Bf1 (23.Ne5 Re2 24.Qf1-+) 23...Qf2 24.Kh1 f6 25.Ne5 (25.Nh7 Bh3 26.Nh4 Qh4 27.Bc4 Rc4 28.gh3 Qh3 29.Qd1 Rc2 30.Nf6 Kh8 31.Qh5 Qh5 32.Nh5 Rf1) 25...fe5 26.Nf3 Bh3! (26...Bh3 27.Nd2 Qd2 28.Bc4 Kg7 29.Qe5 Kh6 30.Qf4 Rf4 31.Be2 Qc1 32.Bf1 Rf1) 0–1. Damen,Jip – Swarts,Renout, NED–ch U12 Rijswijk, 2008. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.a3 Nf6)

    4.Bb2 e6

    5.a3 Nf6 6.d3 d5 7.e5 Nfd7 8.ab4 Bb4 9.c3 Be7 10.Bc1 0-0 11.d4 f6 12.Bd3 fe5 13.de5 Nc5 14.Bc2 Qe8 15.0-0 Nbd7 16.Re1 b6 17.Re3 Qh5 18.Qe1 Bb7 19.g4?? Bg5 0–1. Maslicic,Peter (1780) – Perk,Egbert (2000), Niedersachsen–ch Seniors, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.a3 Nf6 6.d3 d5 7.e5 Nfd7 8.ab4 Bb4 9.c3 Be7 10.d4 0-0 11.Bd3 Nc6 12.Qc2 h6 13.Bc1 f6 14.Qe2 fe5 15.de5 Qc7 16.Na3 Nce5 17.Nb5 Nf3 18.gf3 Qe5 19.Be3 a6 20.f4 Qf6?? (better is 20...Qb8!? 21.Nd4 Nc5-+) 21.Rg1 Nc5 (better is 21...Qh4!? 22.Nc7 Bf6-/+ (worse is 22...Qh2 23.0-0-0+/-)) 22.Bd4= Nd3 23.Qd3 Qf7 24.Rg7 Qg7 25.Bg7 Kg7 26.Ke2 Bf6?? 27.Rg1 Bg5 28.Nc7 Ra7 29.fg5 h5 30.g6 b6 31.Qd4 Kg8 32.Qe5 Rf5 33.Qd6 Rf8 34.g7 (34.g7 Rf6 35.Qd8 Rf8 36.gf8Q Kh7 37.Qg7) 1–0. Maslicic,Peter (1780) – Assmann,Robert (1950), Niedersachsen–ch Seniors, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.d4 Nf6 6.Nbd2 d5 7.e5 Nfd7 8.Bd3 f5 9.c4 bc3 10.Bc3 Be7 11.Ng1 0-0 12.Qh5 Nc6 13.Rb1 a5 14.Ne2 Bb4 15.Nf3 Qe8 16.Qe8 Re8 17.Bb4 ab4 18.Rb2 Nb6 19.Bb5 Nc4 20.Bc6 bc6 21.Rb4 Ra2 22.Nc1 Ra1 23.0-0 Ba6 24.Re1 Bb5 25.Nb3 Re1 26.Ne1 Ra8 27.f3 Ra2 28.Nc5-/+ Kf7 29.Rb1 g5 30.h3 f4 31.h4 h6 32.h5 Ne3-+ 33.Kh1 Nf5 34.Nb7 Ra7 35.Nc5 Nd4 36.Ned3 Nf5 37.Kh2 Ng3 38.Nf2 Nh5 39.Ng4 Ng3 40.Nh6 (40.Kh3 h5 41.Nf6 Kg6-+) 40...Kg6 0–1. Fernandez,Kosara (1900) – Hernandez Leon,Alberto (2250), Tenerife ESP, 2013. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+=)

    4.Bb2 Nf6

    5.Bb5 Bd7 6.Qe2 a6 7.Bd7 Nbd7 (worse is 7...Kd7 8.Bf6 gf6 9.Qc4+=) 8.d4 e6 9.0-0 Be7 10.a3 ba3 11.Ra3 (better is 11.Ba3!? 0-0 12.c4+=) 11...d5-/+ 12.ed5 (better is 12.Rb3 Ne4 13.Rb7-/+) 12...0-0?? (better is 12...Ba3 13.Na3 Nd5-+) 13.de6+/- Nb6 14.ef7 Kh8 (better is 14...Rf7!? 15.Rb3 Nfd5+/-) 15.Rb3+- Rc8 (15...Nfd7 16.Qe6 Rb8 17.Re1+-) 16.Ne5 Na4 (16...g6 17.Re1+-) 17.Rh3 (17.Rh3 g5 18.Bc1+-) 1–0. Seglins – Hallberg,B, Aspen, 1968. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.Bb2 Nf6)

    5.e5 de5 6.Ne5 Nc6 7.Bb5 Bd7 8.Nd7 Qd7 9.0-0 e6 10.a3 ba3 11.Na3 Be7 12.Nc4 0-0 13.Ne5 Qc7 14.Nc6 bc6 15.Bd3 Qf4 16.Qe2 Bd6 17.g3 Qg5 18.Ra4 Rab8 19.Bd4 Nd5 20.Bg7 Nf4 21.Rf4 Bf4 22.Bf8 Kf8 23.Qe4 Bd2 24.Qc6 Qd5 25.Qd5 ed5 26.Ra1 a5 27.Bh7 Bc3 28.Ra3 d4 29.Bd3 Rb2 30.h4 Kg7 31.Kg2 Bb4 32.Ra1 Bc3 33.Ra3 Bb4 34.Ra4 Kh6 35.g4 f6 36.Kf3 Kg7 37.Ke4 Bc3 38.Kf5 Rb7 39.f4 Rc7 40.g5 fg5 41.hg5 Rc5 42.Ke6 Bb4? 43.f5 Rc6 44.Kd5 Rd6 45.Ke5 Rd8 46.f6 Kf8 47.g6 1–0. Sellberg,Joel – Hallenberg,Sami, Vaasa We VSS, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.e5 de5 6.Ne5 e6 7.a3 ba3 8.Na3 Be7 9.Bd3 0-0 10.0-0 Bd7 11.Qf3 Nc6 12.Nac4 Rc8 13.Qh3 g6 14.Qh6 Ne5 15.Ne5 a6 16.Rfe1 Nh5?? 17.Ng6!+- fg6 18.Bg6! Rf7 19.Bf7 Kf7 20.Qh5 Kg8+- 21.Re3 (21.Re3 Rc5 22.Qh6+-) 1–0. Geisdorf,Herbert – Klein,Manfred, FRG–ch, 1970.

    5.e5 de5 6.Ne5 e6 7.Bc4 Nbd7 8.0-0 Qc7 9.d4 Be7 10.Nd2 0-0 11.Bb3 b5 12.c4? bc3-+ 13.Rc1 b4 14.Ba1 Ne5 15.de5 Qe5 16.Nc4 Qc5 17.Re1 Rd8 18.Qf3 Rb8 19.Re5 Rd5 20.Rce1 Bb7 21.Qg3 Rbd8 22.R1e2 Ba6 23.Qe3 Bc4 (23...Bc4 24.Rd5 Rd5-+) 0–1. Maksichko,Vasily – Lazarenko,Evgeniy, Novokuznetsk RUS, City Ch, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.e5 de5 6.Ne5 g6 7.Bc4 e6 8.Qf3 Bg7 9.Bb5 Kf8 10.0-0 Qd5 11.Qe2 Qe4 12.Qe3 Qe3 (12...Qc2?? 13.Rc1 Qc1 14.Bc1+-) 13.fe3 (worse is 13.de3 a6 14.Bd3 Nd5-/+) 13...a6 14.Ba4 b5 15.Bb3 Nbd7 16.Nd3 Ke7 17.a3 Bb7 (17...ba3!? 18.Ba3 Ke8-/+) 18.ab4= Rhg8 19.Nf4 Nb6 20.d3 g5 21.Ne2 Nfd5 22.Bg7 Rg7 23.e4 Nb4 24.Nbc3 Rc8 25.Rac1 Rgg8 26.Rf3 g4 27.Rf4 a5 28.Nb5 a4 29.Rcf1 Rg7 (29...ab3 30.Rf7 Kd8 31.Ned4+- (31.Rb7?! Nd7 32.cb3 Nd3+-)) 30.e5 ab3 31.Rb4 Rc2?? (31...g3 32.hg3 Nd7= (32...Rc2? 33.Nbd4 Rg3 34.Rf2 Rd3 35.Rb6+-)) 32.Nbd4+- Ra2 33.Rb6 (33.Rb3?! Ra6 34.Rfb1 Rg5 35.Rb6 Rb6 36.Rb6 Bd5+-) 33...Bd5 34.Nf4 (34.Nf4 Ba8 35.Rc1+-) 1–0. Dotsenko,Sergey (2180) – Pleshkov,Andrey, Soukhumi op, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.Bb5 Bd7

    5.Bd7 Nd7 6.d4 Ngf6 7.Nbd2 e6 (7...Qc7-/+) 8.e5 (8.0-0!?=+) 8...de5-/+ 9.de5 Nd5 10.a3?? (better 10.0-0-/+) 10...Nc3-+ 11.Bb2 (11.0-0 Nd1 12.Rd1 Ne5-+) 11...Nd1 12.Rd1 ba3 13.Ba1 (13.Bd4 Qc7 14.0-0 0-0-0-+) 13...Be7 14.0-0 0-0 (14...Rc8 15.c3-+) 15.Nc4 (15.Bd4 Qc7-+) 15...Qc7 0–1. Nothill,Steven – Caburro,John, FICGS, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.Bd7 Nd7 6.Qe2 Rc8 7.Nd4 (better is 7.d3!?+=) 7...e5-+ 8.Nb3 Rc2 9.Qb5 Qc8 10.0-0 a6 11.Qd3 Ngf6 12.Nc3 Rc1 (12...bc3?! 13.Qc2 Qc6 14.Na5 Qe4 15.Qc3+=) 13.Rac1 bc3 14.Rc3 Nc5 15.Qc2 Qd7 16.Nc5 dc5 17.d3 Be7 18.Rd1 (18.Rc5 Bc5 19.Qc5-+) 18...0-0 19.f3 b5 20.Qb3 Rd8 21.Rcc1 Qd4 22.Kf1 Nh5 23.Ke2 (23.a4 ba4 24.Qc4-+) 23...Bh4 24.g3 Bg3! 25.Rd2 Bf4 (25...Bf4 26.Rcd1 Bh2-+) 0–1. Pereira,Stephen – Hartnack,Robert, CServe email, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.c3 a5

    5.cb4 ab4 6.Bc4 Nf6 7.0-0 Ne4 =+. amayfer (1820) – pierred (2750), net–chess.com, 2009.

    5.Ng5 h6=+ 6.Nf7? Kf7-+ 7.Qh5 g6 8.Qd5 e6 9.Qd4 Nc6 10.Qh8 Bg7 11.Qh7 Nf6 12.Qg6 Kg6 13.Bd3 e5 14.Bc2 Nh5 15.Bb3 Nf4 16.0-0 Qg5 17.g3 Ne2 18.Kh1 Qh5 19.f3 Ng3 20.Kg2 Qh3 21.Kf2 Qh2 22.Ke3 Qe2# 0–1. tundeski (1945) – pierred (2785), net–chess.com, 2010.

    4.c3 Nf6

    5.Qa4 Nc6 6.cb4 Ne4 7.Bb2 Qb6 8.Bd4 Qb4 9.Qb4 Nb4 10.Bb5 Bd7 11.Bd7 Kd7 12.Kd1 e5 13.Be3 Nd5 14.Rf1 Nef6 15.Ng5 Ke8 16.Nc3 Nc3 17.dc3 Be7 18.Rb1 Nd5 19.Rb7 Ne3 20.fe3 Bg5 21.Rff7 Bf6 22.Ra7 Ra7 23.Ra7 Rf8 24.e4 Be7 25.a4 Rf2 26.Ra8 Kf7 27.Ra7 Rg2 28.h3 Rh2 29.a5 Rh3 30.Rc7 g5 31.a6 h5 32.a7 Rh1 33.Kc2 Ra1 34.Kb2 Ra6 35.Kc2 g4 36.Kb3 g3 37.Rb7 g2 38.Kb4 g1Q 39.Kb5 Qf1 40.c4 Qa1 41.Re7 Ke7 42.Kb4 Rb6 0–1. COMP Pallas – COMP Nightmare, ch–NL Computer, 1987. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.Bb5 Nbd7 6.cb4 Ne4 7.d3 =+.

    5.Bd3 bc3 6.Nc3 g6 7.Rb1 Bg7 8.0-0 0-0 9.Bc2 Nc6 10.d4 Bg4 (10...Qc7 11.Bg5+=) 11.Rb7= Bf3 12.gf3 Qc8 13.Rb3 Qh3 14.Ne2 Nh5 15.Kh1 (15.f4!? Qh4 16.Be3=) 15...Bd4-/+ 16.f4 (16.Nd4 Nd4) 16...Qc8 17.f5 Bg7 18.Rh3 Nf6 19.Rg1 Nb4 20.Bb1 d5 (20...Rb8 21.Rb3-/+) 21.a3+= Na6 22.Nf4? (22.ed5 Qc5+=) 22...Ne4 (22...de4 23.Nd5 Re8 24.Nf6 ef6 25.Qg4-/+) 23.Be4 de4 24.Nd5 Qd8 (better is 24...Qc5!? 25.fg6 fg6-+) 25.Bg5+= Re8 (better is 25...f6!? 26.Bh6 Bh6 27.Rh6 g5=) 26.Ne7+/- Re7 27.Qd8 Rd8 28.Be7 Rd5 29.f6 Bf8? 30.Rc1 Nc5 31.Rc5 Rc5 32.Bc5 Bc5 33.Rc3 Bf8 34.Rc8 g5 35.Kg2 h6 36.a4 a5 37.Kg3 1–0. Sapienza,Julian (2235) – Soria,Fernando, Moron FAOGBA–ch, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+=)

    5.e5 de5-/+ 6.Ne5 Qc7 7.f4 Nc6-/+ 8.d4 Bd7 9.Qb3 Nd4 10.Qf7 Kd8 11.Bd3? Be6-+ 12.Bd2? Qb6 13.cb4?? Bf7 14.Nf7 Ke8 15.Nh8 e6 16.a3 Rd8 17.Kd1? Qc6 18.Nc3 Qg2 19.Re1 Nb3 20.Re6 Be7 21.Kc2 Qd2 22.Kb3 Rd3 23.Ra2 Rc3 24.Ka4 Ra3! 25.Ka3 Qb4# 0–1. tundeski (1945) – pcmvr (2870), net–chess.com, 2010.

    4.Bc4 Nf6

    5.d3 Bg4 6.e5 d5 7.Bb5 Nfd7 8.a3 e6 9.h3 Bh5 10.g4 Bg6 11.Be3 a6 12.ab4 Bb4 13.c3 Be7 14.Qb3 0-0 15.h4-/+ Nc6 16.Bc6 bc6 17.Ke2 h6 18.h5 Bh7 19.Nbd2 Qc7 20.d4 c5 21.g5 Bd3 22.Kd3 c4 23.Nc4 Rfb8 24.Qa2 dc4 25.Qc4 Qb7 26.Ke2 hg5 27.Rhb1 Nb6 28.Qd3 g4 29.Nd2 Qc6 30.Ra6+- Ra6 31.Qa6 Bd8 32.Qb5 Qc7 33.Nc4?? Nd7-+ 34.Qd7?? Qc4 35.Kd2 Qa2 (35...Qa2 36.Rb2 Qb2 37.Kd1 Qb1 38.Bc1 Rb2 39.Qd8 Kh7 40.Qh8 Kh8 41.d5 Qd3 42.Ke1 Qe2) 0–1. McCormick,Edgar T – Donovan,Jeremiah, Ventnor City, 1940.

    5.d3 Bg4 6.e5 d5 7.Bb5 Nfd7 8.h3 Bh5 (8...Bf3 9.Qf3 e6 10.d4-/+) 9.e6 (9.g4 Bg6+=) 9...fe6-/+ 10.g4 Bg6 11.Ne5 a6 12.Bd7 Nd7 13.f4 (13.Ng6!? hg6 14.Bd2-/+) 13...Ne5-+ 14.fe5 Qc7 15.d4 (15.Bb2 Rc8 16.Kd2 h5-+) 15...Qc4 16.c3 (16.Be3 Bc2 17.Qd2 Rc8-+) 16...bc3 17.Na3 Qb4 18.0-0 (18.Rh2 Qa5-+) 18...Rc8 19.h4 c2 20.Qf3 (20.Qd2 Qc3 21.Qc3 Rc3 22.Rf2-+) 20…Qd4 (20...Qd4 21.Be3 Qe5-+) 0–1. Rajan – Wall,William Dale, corr, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.Bc4 Nf6)

    5.Qe2 a6 6.a3= Nc6 7.ab4 Nb4 8.Bf7 (8.Na3 b5 9.Bb3 Bb7=+) 8...Kf7 9.Qc4 Ke8 (better 9...d5!? 10.Qb4 de4 11.Ne5 Kg8=) 10.Qb4+= h6 (10...e6!? 11.Nc3 d5+=) 11.0-0+- g6 (11...Qc7 12.Nc3+-) 12.Re1 (12.Nc3 Bg7+-) 12...e5 (12...a5 13.Qb3 Nd7 14.Bb2+-) 13.d4+- Be7 (13...Qc7!? 14.Qb3 Bg4 15.Nbd2+-) 14.Qb3 Ng4?! (14...ed4 15.Bb2 Rh7+-) 15.h3 Nf6 (15...h5 16.Bb2 Rf8 17.hg4 hg4 18.Nfd2+-) 16.de5 de5 17.Ne5 Qd4 (17...Qd6 18.Qf7 Kd8 19.Ng6 Rh7+-) 18.Bb2 Qb4 (18...Qd6 19.Ng6 Qb4 20.Qb4 Bb4 21.Nh8 Be1 22.Bf6 b5+-) 19.Qf7 Kd8 20.Rd1 Bd7 (20...Kc7 21.Ra4!! Rf8 22.Rb4 Rf7 23.Rc4 Kb8 24.Nf7 Nd7+-) 21.Nd7 Nd7 22.Bh8 Kc8 23.Qe8 (23.Qe8 Kc7 24.Qd7 Kb8 25.Nc3 Qc5 26.Rab1 Qc7 27.Be5 Bd6 28.Bd6 Ka7 29.Qc7 Rd8 30.Qb7) 1–0. michaelbuss – shr0pshire (1825), ChessWorld.net, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.Bc4 Nf6)

    5.Qe2 Nc6 6.a3 ba3 7.Ra3 (7.Ba3 Bg4+=) 7...g6 (7...Bg4 8.Bb2-/+) 8.Bb2 Bg7 9.0-0 0-0 10.d4 d5 11.ed5 Nd5 12.Qe4 Ncb4 13.c3 Bf5 14.Qh4 Bd3 15.Bd5 (better is 15.Bd3!? Nd3 16.Bc1-/+) 15...Nd5-+ (15...Qd5?! 16.Rd1 Bb1 17.Rb1-/+) 16.Rd1 Be2 17.Re1 Bf3 18.gf3 b5 19.Nd2 a5 20.Ne4 (20.c4 bc4 21.Nc4 a4-+) 20...Qc7 (20...e5 21.Qg3 ed4 22.cd4-+) 21.Nc5 e5 22.Qe4 Nb6 23.Rb3 (23.f4 Nc4 24.Ra2 ed4 25.cd4 Rfd8-+) 23...ed4 (23...Nc4!? 24.Bc1-+) 24.cd4 b4 25.Bc1 (25.Qg4 Nc4-+) 25...Qd6 26.Be3 Nd5 27.Na4 Rfe8 28.Qg4 (28.Qb1-+) 28...Bd4 (better is 28...f5 29.Qg2 f4-+) 29.Qd4= Qc6 30.Ra1 Rad8 31.Qc5 Qf6+= 32.Qd4 Qf5 33.Qg4= Ne3 34.Re3 Qf6 35.Rae1 Re3 36.Re3?? Qa1-+ 37.Kg2 Qa4 38.Qg5 Rb8 39.Rd3 Qa1 40.Rd5 a4 41.Qf4 Rb6 42.Qc7 Qf6 43.Rd8 Kg7 44.Qc8 Rd6 45.Rg8= Kh6 46.Qf8 Kh5 47.Qc8?? Qg5-+ 48.Kh3 Rd4 (48...Rd4 49.Qg4 Rg4 50.fg4 Qg4) 0–1. Cantillo Alvarado,L (2000) – Carvajal Gordona,JG (2070), CRI–ch, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.Bc4 Nf6)

    5.Qe2 Nc6 6.Bb2 Bg4 7.d4 (7.h3 Bf3 8.Qf3 e6-/+) 7...Bf3 (7...d5!? 8.ed5 Nd5-/+) 8.Qf3+= e6 9.0-0 (9.d5 Ne5 10.Bb5 Ke7+=) 9...d5 10.ed5 Nd5 11.Re1 Be7 12.Nd2 0-0 13.Ne4 (13.Bd3 Rc8-/+) 13...Nb6 14.Bd3 (better is 14.Bb3-/+) 14...Bf6 (better is 14...Na4!? 15.Bc1 f5-+) 15.Qh3 (15.Nf6 Qf6 16.Qe4 g6+=) 15...g6 16.Nf6 Qf6 17.Re4 (17.Rab1 Nd5+=) 17...Nd5 (17...Na4 18.Bb5 Qf5 19.Qf5 ef5 20.Rf4 Nb2 21.Rb1-/+) 18.Rae1 (18.a3 Nc3 19.Bc3 bc3-/+) 18...Nce7 (18...Nc3 19.Rh4-/+) 19.Bc1 Nf5 20.Re5 (better is 20.Qg4-/+) 20...Qh4?? (better is 20...Nd4 21.Bg5 Qh8-/+) 21.Bf5+- Qh3 (21...Qd4 22.Bd3+-) 22.Bh3 Rad8 23.Bg5 Rd7 24.Bh6 Re8 25.g3 Nc3 26.d5! Rd5 27.Rd5 Nd5 28.Bg2 Rd8 29.Rd1 f6 30.Bd5 ed5 31.Be3 Rc8 32.Rd5 Rc2 33.Rd8 Kf7 34.Rd7 Ke6 35.Rb7 a5+/- 36.Rb6 Kf7 37.Rb5 Ra2 38.Bb6 a4 39.Rb4 Ra1 40.Kg2+- a3 41.Ra4 a2 42.Bd4 Rd1 43.Bb2 1–0. Lynn,William (1780) – Rossiter,Philip J (1705), NZL–ch Major op, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.Bc4 Nf6)

    5.Qe2 e6 6.0-0 Be7 7.d4 d5 8.ed5 ed5 9.Bb5 Nc6 10.Re1 Be6 11.Nbd2 0-0 12.Bb2 Bd6 13.Ne5 Qb6 14.Nb3 Ne4 15.Bd3 Nf6 16.h3 a5 17.Ng4? Ng4-+ 18.hg4 a4 19.Nc5 Nd4! 20.Bh7 Kh8 21.Bd4 Bc5 22.Bc5 Qc5 23.Bd3 Qd4 24.g5 g6 25.Qf3 Kg7 26.Rab1 Bg4 27.Qg3 Rae8 28.Re3 Bd7 29.Rf3 Qe5 30.Rf4 Qc3 31.Rh4=+ Re1 32.Re1 Qe1 33.Kh2 Rh8 34.Rh8 Kh8 35.Qf4 Qc3 36.Qf7+/- Qe5 37.f4 Qe6 38.Qf8 Qg8 39.Qb4 Qh7 40.Kg3 Qf7 41.Qb7 Qe6 42.Qb8 Kh7 43.Qe5 Qg4 44.Kf2 1–0. Breustedt,Werner – Knothe,Karl, DDR–ch, 1956.

    5.Qe2 e6 6.Bb2 Be7 7.d4 (7.0-0 0-0+=) 7...0-0 8.Nbd2 d5 9.Bd3 de4 10.Ne4 Nd5 11.g3 Nd7 12.h4 N7f6 13.Nfg5 b6?? (13...Bd7 14.Nf6 Nf6 15.Rd1-+) 14.0-0-0?? (14.Nf6 Nf6 15.Bh7 Nh7 16.Qe4-+) 14...Bb7-/+ 15.Nf6 Nf6 16.d5 g6 17.h5?? Qd5-+ 18.Nh7 Nh7 19.hg6 fg6 20.Rh7? Kh7-+ 21.Bg6 Kg6 22.Rd5 Bd5 23.Qg4 Bg5 24.f4 Rf5 25.fg5 Rg5?? 26.Qb4? Rg3-+ 27.Be5 Rg2 28.Qf4 Rc8 29.c3? Rc4 30.Qf6 Kh5 31.Qf7 Kg4 32.Qa7 Re4 33.Qg7 Kf3 34.Qf7 Ke2 35.Qh5 Reg4 36.Bd4 Kd3 37.Qh7 Rg6 38.a4 Rc2 39.Kb1 Be4 40.Qc7? Rgg2-+ 41.Qb6 Ra2 42.Qb5+- Kd2 43.Ka2 Kc1 44.Ka3 Bd5 45.c4 Rg3 46.Kb4 1–0. Loskarn,Peter – Belic,Robert, Ruhrgebiet VK3, 1999. (=1.e4 c5 2.b4 cb4+= 3.Nf3 d6 4.Bc4 Nf6)

    5.Qe2 Bg4 6.e5 Bf3 (6...d5 7.Bb3 Nfd7 8.Bd5=) 7.Qf3= de5 8.Qb7 Nbd7 9.a3 (9.Qb4 e6 10.Qb7 e4=) 9...e6 (9...ba3 10.Ba3 Qc8 11.Qb3+=) 10.ab4= Rb8 11.Qa7 Bb4 12.Ba3 0-0 13.0-0 Qc8 14.Bb3 (14.d3 Nd5 15.Bb4 Rb4=) 14...Nc5+= 15.Bb4 Rb4 16.Qa5 (16.Ra3 Qc6-/+) 16...Nb3-/+ 17.cb3 Qb8 18.Re1 Rb5 19.Qa4 Rb3 20.Nc3 Rd8 21.h3 h6 (21...Rd2?? 22.Qb3 Qc8 23.Re5+-) 22.Ne4 Ne4 23.Qe4 Rd5 (23...Rd2? 24.Ra8+-) 24.Re3 Rb2 (24...Rd2?? 25.Rb3 Qe8 26.Qe5+-) 25.Rea3 Rd4 (25...Rbd2? 26.Ra8 Rb2 27.R1a7+-) 26.Qe3 Rb1 (26...Rbd2? 27.Ra8 Qa8 28.Ra8 Kh7 29.Qe5+-; 26...Rdd2?! 27.Ra8 Rd1 28.Rd1 Qa8 29.Qe5-/+) 27.Kh2 (27.Rb1 Qb1 28.Kh2 Qb8-/+) 27...Ra1 28.Ra1 Qd6 29.Ra8 Kh7 30.Ra7 (30.Ra2 e4 31.Kg1 f5-+) 30...e4 31.g3 f6 32.Kg2 Qd5 33.Ra5 Qa5 34.Qd4 Qd5 35.Qe3 Kg6 36.h4 h5 37.Qb6? (better is 37.Kf1-+) 37...e3 38.Kf1 (38.Kg1 ed2 39.Qb1 Kh6 40.Qd1-+) 38...Qd3 39.Kg2 ed2 40.Qe6 d1Q 41.Kh2 Qd5 (41...Qd5 42.Qe8 Kh7 43.Qe1 Qe1 44.g4 Qf2 45.Kh3 Qd3) 0–1. MacDonald,Jonathan – O'Donnell,Tom (2360), Charlottetown inv–B, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    4.d4 Nc6

    5.Bb5 Bd7 6.0-0 a6 7.Bc4 e6 (7...Nf6 8.Re1+=) 8.Bb2 Nf6 9.Nbd2 Qc7 10.d5 ed5 (10...Na5 11.Bd3+=) 11.ed5= Na5 (11...Ne7 12.Re1=) 12.Qe2 (12.Bf6 gf6 13.Bd3 Be7+=) 12...Kd8= 13.Ng5 Bf5 (better is 13...Be8=) 14.Rfe1 Qd7 15.Qe3 (15.Bd3 Kc7+/-) 15...Nc4 16.Bf6 gf6 17.Nc4 Bh6 (17...fg5 18.Nb6 Bc2 19.Na8 Bg7+-) 18.Qb6 (18.Qb6 Kc8 19.Nf7+-) 1–0. Enserink,Henk – Beverdam,Frank, Haarlem AKN op, 1998. (=1.e4 c5 2.b4 cb4+= 3.d4 d6 4.Nf3 Nc6)

    5.Bb5 Bd7 6.0-0 Nf6 7.e5 (7.Re1 d5 8.ed5 Nd5+=) 7...de5-/+ 8.de5 (8.Bc6 Bc6 9.Ne5 Rc8 10.Nc6 Rc6-/+) 8...Ng4 (8...Ne5 9.Bd7 Ned7 10.Be3-+) 9.Re1 (9.a3 Qa5 10.Bc6 Bc6+=) 9...Qc7 (9...Nce5 10.Ne5 Ne5 11.Qe2-/+) 10.Bf4 (better is 10.Qe2+=) 10...g6?? (better is 10...Qb6 11.Qe2 Nge5 12.Be5 Ne5 13.Ne5 Qb5-/+ (worse is 13...Bb5 14.Qf3=)) 11.e6+- Qd8 (11...Qc8 12.ed7 Qd7 13.Qd7 Kd7 14.Nbd2+-) 12.ed7 (12.Bc6!? bc6 13.Qd4 f6 14.ed7 Qd7 15.Qb4 e5+-) 12...Qd7 13.Bc6 Qc6 14.Nd4 Qd7 15.h3?? Nf6? 16.Be5+- Bg7 17.Nd2 0-0 18.N2b3 Rfd8 19.Qf3 Rac8 20.Rad1 Qd5 21.Qd5 Nd5+/- 22.Bg7 Kg7 23.Rd2 Nc3? 24.Re7+- Rb8 25.Ne6 Kg8?? 26.Rd8 Rd8 27.Nd8 Kf8 28.Rf7 Ke8 29.Rh7 Kd8 30.Rb7 Na2 31.Ra7 Nc3 32.f4 Ne2 33.Kf2 Nf4 34.Kf3 Nd5 35.Nc5 Kc8 36.g4 Kb8 37.Rg7 Nc3 38.Rg6 Kc7 39.Rg7 Kc6 40.Ne4 Nd5 41.Rg6 Kc7 42.h4 Ne7 43.Rg7 Kd8 44.h5 Ke8 45.g5 Nf5 46.Rg6 Ke7 47.Kf4 Nd4 48.h6 Nc2 49.h7 b3 50.h8Q b2 51.Qh7 Kf8 52.Rg8 1–0. Tian,Vincent – Grossman,Alex, California State–ch, 2006. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nc6)

    5.d5 Ne5 6.Ne5 de5 7.Bd3 (7.Qh5!?=) 7...Nf6 8.0-0 g6 (8...e6 9.c4+=) 9.Bg5 Bg7 10.c3 0-0 11.cb4 Bg4 (11...Nd5!? 12.Bc4 Nb6+=) 12.f3 Bd7 13.Nc3 Rc8 14.Rc1 (14.Qb3 Qb6 15.Kh1 h6=) 14...a6 (14...Qb6 15.Kh1+=) 15.f4 (better is 15.Be3!?+=) 15...Ng4 16.Qf3? (better is 16.Qe1+=) 16...ef4-+ 17.Be2 Qb6 18.Kh1 e5 (better is 18...Qb4 19.Nb1 Ne3 20.Rc8 Rc8-+) 19.Be7= Rfe8 20.Bc5 Qc7 21.d6 Qc6 22.Nd5 Qa4? (22...Nf6 23.b5! ab5 24.Ba3+/-) 23.Ne7 Kh8 24.Nc8 Bc8 25.Qb3 Qb3+/- 26.ab3 b6? 27.Rcd1 Nf6? 28.Bf3?? Bd7?? 29.Rf2?? g5 30.h3 h5 31.Re1 g4 32.hg4 hg4 33.Bd1 Bc8?? 34.Rd2?? Re6?? 35.Bc2?? Bh6?? 36.Red1?? Nh5?? 37.Rd3 Ng3 38.Kg1 Bg5 39.Bf2+/- Nh5? 40.Kh2 g3-/+ 41.Bg3 Ng3 42.Kh3?? Rh6 0–1. Su,Gordon – Kao,Alvin, Fremont Weibel Quads, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nc6)

    4.d4 d5

    5.Nbd2 de4 6.Ne4 Nf6 7.Nf6 ef6 8.Bb5 Bd7 9.Qe2 Be7 10.0-0 Bb5 11.Qb5 Qd7 12.Qd3 0-0 13.a3 Nc6 14.ab4 Bb4 15.Be3 b6 16.Rfb1 Rfd8 17.Qb5 Bd6 18.c4 Bc7 19.Ra4 Ne7 20.Qd7 Rd7 21.d5 Be5 22.Rb6+/- Rc8 23.Ne5 fe5+/- 24.Rba6 Rdc7 25.Kf1 Nf5 26.Ra7+- Ra7 27.Ra7 Kf8 28.Ra4 Ke7 29.Ke2 Nd6 30.Kd3 f5 31.f3 h6 32.c5 Ne8 33.Ra6 Nf6 34.Ra7 Kf8 35.Kc4 f4 36.Bd2 g5 37.Bc3 Rd8 38.Be5 (38.Be5 Nd5 39.Bd6 Rd6 40.cd6+-) 1–0. Zita,Frantisek – Pachman,Ludek, Treybal Memorial, 1946.

    5.Nbd2 e6 6.Bd3 Nc6 7.e5 Qb6 8.Bb2 Nh6 9.0-0 Nf5 Pawn d4, live or die! 10.Nb3 a5 11.a4 Bd7 12.g4 Nfe7 13.Bc1 Qc7 14.Qe2 Nc8 15.Ng5 h6 16.Nh3 Nb6 17.f4 Nd8 18.f5 Na4 (worse is 18...Ba4 19.Ra4 Na4 20.Bb5 Nc6 21.Ba4+=) 19.fe6 Ne6 20.Qf3 Bc6 21.Nf4 Ng5 22.Qg2 (22.Qe3!?-/+) 22...Nc3-+ 23.e6 Ne6 24.Ne6 fe6 25.Bg6 Kd8 26.Rf7 Qb6 27.Qf2 Bd6 28.Nc5 Kc8 29.Ne6 Kb8 30.Bf4 Bf4 31.Qf4 Ka7 32.Kh1 a4 33.Rg7 a3 34.Qd6 Rhg8 35.Qe7 Bd7 36.Rg8 Rg8 37.Qd7 Rg6 38.Nc5 Rf6 39.Qe7 Rf4 40.Qg7 Rf2 41.Re1 a2 42.Qd7 Rc2 43.Nb3 Rb2 (43...Rb2 44.Ra1 Rb3 45.Ra2 Na2 46.Qd5 Qc6 47.Qc6 bc6-+) 0–1. Maryasin,B (2340) – Gershon,A (2505), TCh–ISR, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    5.Nbd2 e6 6.Bd3 Ne7 7.0-0 Nd7 8.Re1 de4 9.Ne4 Nd5 10.Ne5 Be7 11.Qh5 g6 12.Qh6 Bf8 13.Qh3 Be7 (13...Qb6 14.Bh6=) 14.Bh6 (better is 14.Ng6 Rg8 15.Ne7 Qe7 16.a3+-) 14...Rg8?? (better is 14...Ne5 15.de5 Rg8+=) 15.Nf7!+- Kf7 (15...Kf7 16.Nd6 Mate attack) 16.Nd6!! (16.Nd6 Bd6 17.Qe6) 1–0. Hermann – Pietzsch, Germany, 1951. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    5.e5 Nc6 6.Bd3 Bg4 7.Be3 e6 8.0-0 Nge7 9.h3 Bf5 10.Be2 Nc8 11.Ne1 Bg6 12.f4 (12.c3 Nb6-/+) 12...h5 (12...N8e7 13.Bf2-/+) 13.Nd3 (13.Nf3 Nb6-/+) 13...Nb6 14.Nb2 Rc8 15.Nd2 a6 16.Nb3 Na7 (16...Ne7 17.Rc1-/+) 17.Rc1+= Qd7 18.Nc5 Bc5 19.dc5 Na8 20.Nd3 (20.c3 bc3 21.Rc3 Nc6+=) 20...a5 21.f5 (21.c3!? bc3 22.Bd4+=) 21...Bf5-/+ 22.Bh5 (22.Nf4 h4-/+) 22...g6 (22...Nb5 23.Qf3-+) 23.Be2 Nb5 24.Nf2 Nc3 25.Qd2 Ne2 (25...d4!? 26.Bg5-+) 26.Qe2-/+ Nc7 27.Rcd1 (better is 27.g4!? Be4 28.c3+=) 27...Nb5-+ 28.Rd2 Nc3 29.Qf3 Qe7 (29...Na2?! 30.g4 Nc3 31.gf5 gf5 32.Ra1+=) 30.Bd4 Ne4 (30...Nb5!? 31.Be3 Na3-+) 31.Ne4-/+ Be4 (31...de4 32.Qe2 Rc5 33.g4 Rh3 34.gf5 Rg3 35.Kh1+=) 32.Qf4 Rc7 33.Rdf2 Rh5 34.Qe3 Qg5 35.Qg5 Rg5 36.g4 Kd7?? (better is 36...Kd8=) 37.Be3 (37.Rf7 Kc6 38.Rc7 Kc7+-) 37...Re5 (37...Rf5 38.gf5 ef5+-) 38.Bf4?? (better is 38.Rf7 Kc6 39.Rc7 Kc7 40.Bf4+-) 38...f6-/+ 39.Be5 fe5 40.Rf7 Kc6 41.Rc7 Kc7 42.Rf2 Kc6 43.h4 Kc5 44.h5 gh5 45.gh5 Kd4 46.h6 a4 47.Kf1 Kc3 48.Ke1 Kb2 49.Re2 Bh7 50.c4 Kc1 51.cd5-/+ ed5 52.Re5 b3 53.ab3 a3 54.Rd5 a2 55.Ra5 Kb2 56.b4 a1Q-+ 57.Ra1 Ka1 58.Kd2 Kb2 0–1. Kesseler,Heiko – Dietzel,Jan Arthur, Oberliga NRW, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    5.e5 e6 6.Bd3 g6 7.h4 Bg7 8.h5 Ne7 9.h6 Bf8 10.Bg5 Qa5 (10...Qb6 11.c4=) 11.Nbd2 (11.Bf6 Rg8 12.Ng5 b3 13.Nd2 bc2 14.Bc2 Nf5 15.Bf5 gf5 16.Nh7 Be7+-) 11...Nec6 12.Nb3 Qb6 (better is 12...Qc7!?+=) 13.Bf6+/- Rg8 14.g4 (better is 14.Ng5!?+/-) 14...a5 15.Be2 a4 16.Nc1 Nd4 (better is 16...Nd7!? 17.Bg5 Qc7+=) 17.Nd4 Bc5 18.Bb5 (18.Nf3!? Bf2 19.Kf1+/-) 18...Bd7+= 19.Bd7 Nd7 20.Nce2 (20.Nf3 Bf2 21.Kf1 Nf6 22.ef6 g5+=) 20...b3 (20...Nf6!? 21.ef6 e5+=) 21.ab3 Qb4?? (better is 21...Nf6 22.ef6 e5+/-) 22.Qd2 (22.c3 Qb6 23.Bg7 a3+-) 22...Qb6 (22...Qd2 23.Kd2 Nf6 24.ef6+-) 23.0-0 Qa6?? 24.Kg2 Bd4 25.Nd4 Nf6 26.ef6 e5 27.Qb4 Kd8 28.Ra4 Qf6 29.Ra8 Kd7 30.Qb5 Kd6 31.Rg8 Qh4 32.Nf5! (32.Nf5 gf5 33.Qb6 Kd7 34.Qb7 Kd6 35.Ra1 Qh3 36.Kh3 fg4 37.Kg4 f5 38.Kf5 d4 39.Qb6 Kd5 40.Ra5) 1–0. Pfleger,Juergen (1785) – Gheng,Christian, GER–ch Net qual3 U14 blitz, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 d5)

    5.e5 Bf5 6.a3 ba3 7.Ba3 Nc6 8.Bb5?? a6 9.Ba4 b5 10.Bb3 e6 11.Bf8 Kf8 12.0-0 Qb6 13.c3 Nge7 14.Nbd2 h6 15.Nh4 Bh7 16.Qg4 Na5 17.Qg7?? Kg7-+ 0–1. egomi – kouzelnik (1695), kurnik, 2011.

    5.e5 Bf5 6.Nh4 Bg6 7.Ng6= hg6 8.a3 e6=+ 9.ab4 Bb4 10.c3 Be7 11.Qb3 Qc7 12.Na3 Nh6 13.Nb5+= Qd7 14.Ra7 Ra7 15.Na7 0-0 16.Bh6 gh6= 17.Bd3 Nc6 18.Nc6 bc6 19.0-0 c5 20.Qb2 Kg7 21.dc5 Bc5 22.h4 h5 23.Qd2 Ra8=+ 24.Qf4 Be7 25.g3 Ra4 26.Qd2 Qc7-/+ 27.Qe3 Ra3 28.Rc1 Rc3 29.Rc3 Qc3 30.Kg2 Bc5 31.Qe2 Bd4 32.f4 Qc1 33.Qf1 Qe3 34.Bb5 Qc3 35.Bd3 Be3 36.Qe2 d4 37.Qf1 Kf8 38.Qe2 Ke7 39.Qc2 Qa5 40.Kf3 Kf8 41.Qd1 Qa8 42.Be4 Qa2 43.Qc2 Qa1 44.Qb1 Qc3 45.Bd3 Bc1 46.Qc2 Qe1 47.Qe2 Qg1 48.Qf2 Qh1 49.Qg2 Qe1 50.Qe2 Bd2 51.Qe1 Be1 52.Bb5 Ke7 53.Bd3 Kd7 54.Bb5 Kd8 55.Bd3 Kc7 56.Bb5=+ Kb6 57.Be8 d3 58.Bf7 d2 59.Ke2 Bg3 60.Bg6 ½–½. Piazzini,Luis Roberto – Marini,Luis, ARG–ch Buenos Aires, 1946.

    5.ed5 Qd5

    6.a3 Bg4 7.ab4 Bf3 (7...e5 8.Be2 ed4 9.c3=) 8.Qf3= (worse is 8.gf3 e5+=) 8...Qf3 9.gf3 e6 10.Bb5 Nd7 11.c3 Ngf6 12.Nd2 Be7 (12...a6 13.Bb2+=) 13.Ne4 0-0 14.Bd2 Rfc8 15.0-0 (15.Rg1 a6 16.Bd3 Nd5=) 15...a6 16.Be2 Ne4 (16...Nd5!?=) 17.fe4+= Nb6 18.e5 Rc7 19.Bf3 h6 20.Rfb1 Bg5 21.Be1 Nc4 22.Ra2 Be7 23.Kf1 (23.b5 Bf8+=) 23...Rd8= 24.Ke2 f6 25.ef6 Bf6 26.b5 e5 27.ba6 ba6 28.d5 Nd6 29.Ra6 e4 30.Bg4 Bc3 (better is 30...Be5!?+/-) 31.Rc6+- Rc6 32.dc6 Be1 33.c7 Re8 34.Rb8 Kf7 35.Re8 Ke8 36.Ke1 Ke7 37.c8Q Nc8 38.Bc8 Kf6 39.Ke2 Ke5 40.Ke3 1–0. Weetik,Vjacheslav (2420) – Malyi,Viacheslav (1970), Novoshachtinsk op, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    6.c4 Qa5 7.Nbd2 Bd7 8.Nb3 Qc7 9.Bd3 (9.Ne5 Nf6=) 9...e6 10.0-0 Nf6 11.Re1 Be7 12.Bb2 0-0 13.d5 h6 (13...Re8!?=) 14.Nbd4+= Qb6 15.Qe2 Re8 (15...Bc5 16.de6 fe6 17.Ne6+=) 16.de6 fe6 17.Bg6 Rf8 18.Ne6 Be6 19.Qe6 Qe6 20.Re6 Nc6 (20...Bc5 21.Nd4+/-) 21.Nd4 Bc5 22.Nc6 bc6 23.Rc6 Rac8 24.Rc8 Rc8 25.Bf6 gf6 26.Rd1 Kg7 27.Bf5 Rc7 28.Rd5 Bb6 29.Bd3 Bc5 30.g3 a5 31.Kg2 a4 32.Bc2 a3 33.f4 Re7 34.Kf3 (34.Rc5?! Re2 35.Kf3 Rc2=) 34...Re3 35.Kg4 Rc3 36.Rd7 (36.Rc5?! Rc2 37.Rb5 Rc4+=) 36...Kf8 37.Bb3 Bb6 38.Rd1 Kg7 39.Kf5 Re3 40.Rd7 Kf8 41.Bd1 (41.Rd6 Rb3 42.Rf6 Kg7 43.Rb6 Rb2+-) 41...b3 42.Bb3 Rb3 43.ab3 a2 44.Rd1 Bd4 45.Kg6 (45.Rd4 a1Q 46.Rd5 Ke7-+) 45...a1Q (45...h5 46.Kh5 (46.Rd4 a1Q 47.Rd5 h4+=) 46...Ke7 47.Kg6+- (47.Rd4 a1Q 48.Re4 Kf7-/+)) 46.Ra1 Ba1 47.Kh6 Kf7 48.Kh5 Bd4 49.b4 (49.g4 Be3 50.f5 Bf4+-) 49...Bg1 50.h4 Bf2 (50...Bh2 51.Kg4 Ke6 52.f5 Kd7 53.c5+-) 51.g4 Be3 (51...Be1 52.b5+-) 52.f5 Kg7 53.g5 (53.c5 Kf7+-) 53...Bd2 54.b5 Be3 55.g6 (better is 55.Kg4!? Kf7+-) 55...Kf8 56.b6! Bb6 (56...Kg8 57.b7 Bf4+-) 57.Kh6 Kg8 58.g7 1–0. Buss,Michael D – Leali, USA–ch corr, 1991. (=1.Nf3 c5 2.e4+= d6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5)

    6.c4 Qa5 7.Nbd2 Nf6 8.Bd3 e6 9.0-0 Be7 10.Qe2 0-0 11.Ne4 Nbd7 12.Bg5 Re8 13.Rfe1 (13.Nf6!? Nf6 14.Rfe1=) 13...Ne4-/+ 14.Qe4 Nf8 15.Be7 Re7 16.Qh4 f6 17.c5 Bd7 18.Bc4 Rae8 19.Nd2 Bc6 20.Ne4 Be4 21.Re4 Kh8 22.Rae1 Qc7 23.Qg3 e5 24.Qe3 Nd7 25.f4 (25.Bb5!?=) 25...b6-/+ 26.Bb5 bc5 27.dc5 h6 (27...Qc5?! 28.Bd7 Qe3 29.R4e3 Rd7 30.fe5 fe5 31.Re5 Re5 32.Re5-/+) 28.Kf1 (better is 28.Rc1!?+=) 28...a6 (worse is 28...Nc5 29.Rc1 ef4 30.Re7 (30.Be8?? fe3 31.Re7 Qe7-+) 30...Re7 31.Qc5 Qc5 32.Rc5+/-) 29.Bd7 ½–½. Kernan,Bernard – Bloch,Nigel, Wch U20 prel–B, 1973. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.c4 Qa5 7.Bd3 e6 8.0-0 Nf6 9.Nbd2 Nc6 10.Re1 Be7 11.Ne4 0-0 12.Bb2 Ne4 13.Re4 Bd7 14.d5 ed5 (14...Nd8 15.Qe2=) 15.cd5+= Qd5 16.Re5 Qd6 17.Rd5 Qf4? (better is 17...Qd5 18.Bh7 Kh7 19.Qd5 Rad8+=) 18.Rd7+- Rfd8 19.Rb7 Bf6 20.g3 (20.Bf6 Qf6 21.Rc1 Qh6+-) 20...Qd6 21.Qb3?? (better is 21.Bf6 Qf6 22.Rc1+-) 21...Bb2= 22.Bh7 (22.Bh7 Kh7 23.Ng5 (23.Qb2?! Kg8=) 23...Kg6 24.Nf7+/-) 1–0. Fehlbecker,Hans – Gill,S, WT/M corr, 1968. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5)

    6.c4 bc3 7.Nc3 Qa5 8.Bd2 Qd8 9.Rc1 a6 10.Bc4 Nf6 11.0-0 e6 12.d5 b5 (worse is 12...Nd5 13.Nd5 ed5 14.Bd5+/-; 12...ed5 13.Nd5 Bc5 14.Re1 Kf8 15.Bg5+-) 13.Bb3 Ba3 (13...Nd5? 14.Nd5 Nc6 15.Nd4 (worse is 15.Rc6 ed5 16.Ba5 Qd7+-) 15...ed5 16.Nc6+- (16.Rc6?! Be7+-)) 14.de6 fe6 (better is 14...Be6!? 15.Rc2 Bf5 16.Re1 Be7+=) 15.Rc2+= 0-0 16.Qe2 Qd6 (better is 16...Kh8+=) 17.Ne4+- Qd7 18.Nf6 Rf6 19.Bg5 Nc6 (19...Kh8 20.Bf6 gf6+-) 20.Bf6 gf6 21.Rd1 Qe8 22.Qe4 Bb7 (22...Kf8 23.Rc6 Bb7 24.Nd4 Bc6 25.Ne6 Kg8 26.Ng5 Kf8 27.Qh7+-) 23.Be6 Kh8 (23...Kf8 24.Qe3 Qg6 25.Qa3 b4 26.Qb3+-) 24.Rd7 (24.Rd7 Qg6 25.Bf5+-) 1–0. Gimeno Oteo,Marco Antonio (2155) – Forcen Esteban,Daniel (2080), Aragon–chT Autonomico, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.c4 bc3 7.Nc3 Qa5 8.Bd2 Qd8 9.Bc4 Nf6 10.Qb3 e6 11.d5 Qb6 (11...ed5 12.Nd5 Bd6 13.Bg5=) 12.0-0 Bc5 13.Qc2 (13.Qb6 Bb6 14.Rfe1 0-0=) 13...Bd7 (better is 13...0-0!?=) 14.Na4 Qc7 15.de6 fe6 16.Nc5 Qc5 17.Qb3 Qb6 18.Qa3 Nc6 19.Rab1 Qc7 20.Rfe1 0-0-0?? (better is 20...Rf8+/-) 21.Ba6+- (21.Be6?! Rhe8 22.Bd7 Qd7+/-) 21...Nd5 22.Rb7 Qb7 23.Rb1 Nb6 24.Be3 Be8 25.Bb7 Kb7 26.Bb6 ab6 27.Qb2 Kc7 28.Qb6 Kd6 29.Rd1 Ke7 30.Rd8 Nd8 31.Qc7 (31.Qc7 Bd7 32.Ne5+-) 1–0. Braeuning,Rudolf Wilhelm (2310) – Werner,Clemens (2300), BL2–Sued, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    6.c4 bc3 7.Nc3 Qa5 8.Bd2 e6 9.Ne4 Qd5 10.Nc3 Qd8 11.Bb5 Bd7 12.Bd3 Nf6 13.Rb1 Bc6 14.0-0 Be7 15.Be3 Nbd7 16.Qd2 0-0 17.Ne5 Ne5 18.de5 Nd5 19.Rfd1 Bb4 20.Bh7 Kh8 21.Qe2 Qh4 (21...Bc3 22.Qh5 Nf4 23.Bf4 f5 24.Bg6 Kg8 25.Qh7) 22.Nd5 Bd5 23.Bc2 Bc3 (23...Ba2 24.Rb4 Bc4 25.Rc4 Qf2 26.Bf2 g6 27.Rh4 Kg7 28.Qf3 f5 29.Qb7 Rf7 30.Qa8 Rf8 31.Rd7 Kg8 32.Rh8 Kh8 33.Qf8) 24.Rb4!! Bb4 (24...Bb4 25.Rd4 Decoy; 24...Qb4 25.Qh5 Mate attack) 25.Rd4 Qd4 (25...Be4 26.Re4 Qh7 27.Rb4 f5 28.ef6 g6+-) 26.Qh5 (26.Qh5 Kg8 27.Qh7#; 26.Bd4?! g6=) 1–0. Sznapik,Aleksander (2500) – Grateau,Jean Noel (1860), Avoine op, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    6.c4 bc3 7.Nc3 Qd8= 8.Rb1 Nf6 9.Bb5 Nbd7 10.Ne5 a6 11.Qa4 =.

    6.c4 bc3 7.Nc3 Qd8 8.Bb5 Nd7 9.0-0 Ngf6 10.Bg5 e6 (10...a6 11.Rc1 ab5 12.Nb5+=) 11.d5 a6 12.Qa4 Be7 13.Rad1 Qc7 14.Bf6 Bf6 (14...gf6 15.Rfe1 e5= (worse is 15...Qc3 16.de6 fe6 17.Bd7 Kf7 18.Qg4 Bd7 19.Rd7+/-; 15...ab5? 16.Qa8 Nb6 17.Qa5+-)) 15.de6 fe6 16.Ne4 Be7 17.Neg5 ab5 18.Qa8 Nc5 19.Qa3 h6 20.Nh3 0-0 21.Qe3 Bd6 22.Qd4 Rd8 23.Ne5! b6 (23...Be5 24.Qd8 Pinning (24.Qd8 Deflection)) 24.Nf4 Nb7 25.Nfg6 Bc5 (25...Nc5 26.Qe3+/-) 26.Qf4 Nd6 27.Rd2 Bb7 28.Rfd1 Bd5 29.Rd5 (29.Qg4!?+/-) 29...ed5+= 30.Rd5 Nb7 31.Rd8 Nd8 32.h4 ½–½. Rauch,Juergen – MacLean,RM, CCCA corr Canada, 1945. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.d4 d5 5.ed5 Qd5)

    6.c4 bc3 7.Nc3 Qd8 8.Bc4 Nf6 9.Ba3 (9.0-0 Nbd7=) 9...e6 10.Qb3 (10.Bf8 Kf8 11.0-0 a6=) 10...Ba3=+ 11.Qa3 Nc6 (11...Bd7 12.0-0=+) 12.0-0 (12.Nb5 Qe7 13.Nd6 Kf8=+) 12...Qe7=+ (12...Nd4 13.Nd4 Qd4 14.Nb5+-) 13.Qb2 0-0 14.Rfe1 Qb4 15.Qb4 Nb4 16.Re2 a6 17.a3 Nc6 18.Rd1 (18.d5 ed5 19.Nd5 Nd5 20.Bd5 Rd8=+) 18...b5-/+ 19.Ba2 Bb7 (19...Ne7 20.Ne5-/+) 20.d5 ed5 21.Nd5 Nd5 22.Bd5 Rfe8 23.Rc2 (23.Bf7 Kf7 24.Rd7 Kf8 25.Re8 Re8 26.Rb7 Nd4=+) 23...Na5 24.Bb7 Nb7 25.Rc7 Rad8 (25...Na5 26.h3 Nc4 27.Rdd7-/+) 26.Rd8 Rd8 (26...Nd8 27.Ra7 Re6 28.Kf1=+) 27.g3 Rb8 28.Ne5 Nd8 29.Ra7 f6 30.Nd3 Ne6 31.Ra6 Kf7 32.Ra7 Kg6 33.Re7 Rd8 34.Re6 ½–½. kovacic (2260) – The Stone Man (2155), ChessWorld.net, 2015. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    6.Nbd2 e6 7.Bc4 Qd8 8.0-0 Nf6 9.a3 Nc6 10.Nb3 Be7 (10...Bd6 11.ab4 Nb4 12.Ne5=) 11.ab4 Nb4 12.c3 Nbd5 13.Bd2 (13.Bb5 Bd7 14.Bd7 Qd7= (worse 14...Kd7 15.c4 Nb6 16.Na5+-)) 13...0-0 14.Qe2 Qc7 15.Ne5 (15.Rfc1 Bd6=+) 15...Bd6 (15...a5 16.Ra4=+) 16.f4 b5 (16...a5 17.Qd3=+) 17.Bd5 (better 17.Bb5 Nc3 18.Bc3 Qc3 19.Rf3+=) 17...Nd5-/+ 18.Qb5 Rb8 19.Qa4 Nc3 20.Bc3 Qc3 21.Rf3 Qb4 22.Qa7?? (better 22.Qb4 Rb4 23.Rc3=+) 22...Bb7-+ 23.Na5 (23.Nd3 Qb3 24.Nc5-+) 23…Ra8 (23...Ra8 24.Rb3 Ra7 25.Rb4 Bb4-+) 0–1. Turikov,Viktor (2150) – Kuznetsov,Mikhail (1910), 5th Korchnoy Memorial, 2017. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Qd5)

    6.Nbd2 Bf5 7.Bc4 Qd6 8.a3 e6 9.0-0 Qd7 10.Qe2 Nf6 11.Bb5 +=.

    6.Nbd2 Nf6+= 7.Bc4 Qh5 8.0-0 (8.a3 e6 9.Be2 Qd5 10.0-0 Nc6 11.ab4+=) 8...e6 (8...Nc6 9.a3 Bg4 10.h3 Bf3 11.Nf3+=) 9.Re1 (9.Be2 Qd5 10.a3 b5 11.Re1+=) 9...Bd6 (better is 9...Nc6+= 10.Be2 Qd5 11.Nc4+=) 10.Ne4? (better is 10.Be2 0-0 11.Nc4= (11.Ne5=)) 10...Ne4-+ 11.Re4 Bh2! 12.Kf1 (12.Nh2 Qd1) 12...Bd6 13.Rh4 Qa5 14.Qe2 Be7 15.Rh1 Nd7 16.Bd2 Nb6 17.Bd3 Bd7 18.Ne5 Bf6 19.Rh5 Nd5?? (better is 19...Qa3-/+) 20.Nc4+/- Qc7 21.Rd5 Bc6 (21...0-0-0 22.Rc5 Bc6+=) 22.Re5 (better is 22.Nd6!? Kf8 23.Bb4+-) 22...0-0-0 (better is 22...Rd8 23.Bg5 Rd4 24.Bf6 gf6+=) 23.Na5?? (better is 23.Rh5+=) 23...Rd4-/+ 24.Nc6 bc6 25.Rc5 Qh2?? 26.Qf3+/- Rd5 27.Rc6?? Kd7+= 28.Re6? fe6-+ 29.Re1 Re8 30.Re4 a5-+ 31.Ke2 Qh5 32.g4 Qf7 33.Be3? Qe7 34.Rc4 Rc8 35.Rc8 Kc8 36.Ba6 Kd7 0–1. Pitre,HG – Ferguson,J (2175), 26th Keres Mem, Vancouver BC CAN, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5= Qd5)

    6.Nbd2 Bg4 7.Bc4 Qh5 8.h3 e6 9.0-0 Bf3 10.Nf3 Nf6 11.Be2 +=.

    5.ed5 Nf6

    6.a3 Qd5 7.ab4 e5 8.Ne5 Bb4 9.c3 Bd6 10.Nc4 0-0? 11.Ne3?? Qc6 12.Be2 Qc7 13.h3 Nc6 14.Na3 Qd8 15.Nac4 Bb8 16.Qb3 Bc7 17.Bf3 Rb8 18.d5 Ne5 19.Ne5+/- Be5 20.Ra7 b5 21.0-0 Qb6 22.Ra2 Nd7 23.Ba3 Re8 24.Qb4 Ra8 25.Rb1 Bd6 26.Qd6 Qd6 27.Bd6 Ra2 28.Rb5 Ra1 29.Kh2 Ba6 30.Rb2 Rc1 31.c4 Bc4 32.Rb7 Nf6 33.Rc7 Bd5 34.Rc1 Bf3 35.gf3 h5 36.Rg1 Re6 37.Bb4 Nh7 38.Bc3 f6 39.f4 Re4 40.Nd5 Kf7 41.Kg2 Ke6 42.Rd1 g5 43.fg5 fg5 44.Ne3 Nf8 45.Rb1 Kd7 46.Rb7 Kc6 47.Rb4 Rb4 48.Bb4 Ng6 49.Kg3 Kd7 50.Bd2 Ne5 51.Nd5 h4 52.Kg2 Ke6 53.Ne3 Nd3 54.Ng4 Kf5 55.Nh2 Nc5 56.Nf3 Ne4 57.Bg5! Ng5 58.Ng5 Kg5 59.Kf3 Kf5 60.Ke3 Ke5 61.f4 Ke6 62.Ke4 (62.Ke4+-) 1–0. Rubinetti,Jorge Alberto (2420) – Garcia,Raimundo (2435), Club Argentino, 1977.

    6.a3 Qd5 7.ab4 e6 8.Ba3+= Be7 (8...Nc6 9.Nc3 Qd8 10.Bb5+-) 9.c4+- Qd8 10.b5 (10.Be2 b5 11.c5 a6+=) 10...0-0 11.Bd3 b6 12.0-0 (12.Be7 Qe7 13.0-0 a5+-) 12...Bb7 13.c5 (13.Be7 Qe7 14.Nc3 Qb4+-) 13...Bf3 (13...bc5!? 14.dc5 Bf3 15.Qf3 Nbd7+-) 14.Qf3+- (14.gf3?! bc5 (14...Qd4?? 15.Bh7 Nh7 16.Qd4+-) 15.dc5 Nbd7=) 14...Qd4 15.c6 (15.Qa8 Qa1 16.cb6 Ba3 (worse 16...ab6 17.Qf3 Ba3 18.Na3=+) 17.Qa7 Bb2-/+) 15...Qa1 (better 15...Ba3!? 16.Na3 Qd5+-) 16.Be7+- Nd5 17.Bf8 Kf8 18.Be4 Qe5 19.Bd5 Qd5 (19...ed5 20.Rc1 Nc6 21.bc6+-) 20.Qa3 Ke8? (20...Kg8 21.Rc1 Nd7 (21...Qb5 22.c7 Nc6 23.Qd6+-) 22.cd7 Qd7+-) 21.Rc1 (21.c7 Nc6 22.Nc3 Qd7 23.bc6 Qc6+-) 21...Nc6?? (better 21...Qb5 22.c7 Nc6=) 22.bc6+- a5 (22...Rd8 23.g3 (23.Qa7?? Qd1 24.Rd1 Rd1) 23...Qa5 24.c7+-) 23.Qb2 Rd8 (23...Rc8 24.Qb6 Qg5 25.Qb2+-) 24.h3 b5 (24...Rc8 25.Qb6 Qg5 26.Rc3+-) 25.c7 Rc8 26.Nc3 (26.Nc3 Qe5 27.Qb5 Qb5 28.Nb5+-) 1–0. Perez Pietronave,Carlos (2205) – Restuccia,Francisco (2130), Panamericanos Amateur Categorias Sub–23, 2016. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Nf6)

    6.a3 Qd5 7.ab4 Bg4 8.c4 Bf3= 9.gf3 (worse is 9.cd5 Bd1 10.Kd1 Nd5-/+) 9...Qd6 10.Nc3 (10.c5 Qe6 11.Be3 Nd5=) 10...Nc6 11.Be3 (11.Nb5 Qd7+= (11...Qb4?? 12.Bd2 e6 13.Bb4 Bb4 14.Ke2+-)) 11...Qb4-/+ (worse is 11...Nb4 12.Qa4 Nc6 13.Nb5 Qb4 14.Qb4 Nb4 15.Ra4+/-) 12.Qc2 e5 13.Ra4 ed4 14.Rb4 Bb4 15.Bd2 dc3 16.Bc3 0-0 17.Bh3 Nd4 18.Qd3 Rfe8 19.Kf1 Bc3 20.Qc3 Ne2 21.Qd2 Nh5 (21...Rad8!? 22.Qd8 Rd8 23.Ke2-+) 22.Bf5-/+ Nhf4 23.Be4 (23.Qc2 Kh8 24.Be4 Re7-/+) 23...a5 (23...Rad8 24.Qc2-+) 24.Rg1? (better is 24.Qc2-/+) 24...Red8 (24...Ng1?! 25.Qf4 a4 26.Bd5=) 25.Bd5 (25.Qe1 Ng1 26.Kg1 a4-+) 25...a4 (25...Rac8 26.Ke1 Rd5 27.cd5 Rc1 28.Qc1 Nc1 29.d6-+) 26.Rg5 a3 27.Qa2 Nc3 28.Qa1 Nfd5 (28...Rd5?! 29.cd5 Nfd5 30.Ke1-+; 28...Ncd5?? 29.Qg7) 29.cd5 a2 (29...Nd5?? 30.Qg7) 30.Re5 Rd5 31.Re1 Rb5 (31...Rb5 32.Qc3 Rb1-+) 0–1. Lapshun,Yury (2505) – Schwartz,Ylan (2280), Manhattan CC–ch, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    6.a3 Qd5 7.ab4 Bg4 8.Be2 e6 9.0-0 Bb4=+ 10.c4 Qd7 11.Qb3 a5 12.Ne5 Qd4 13.Bb2 Qf4 14.Nd3 Qc7 15.f3 Bc5 16.Kh1 Bf5 17.Nc5 Qc5 18.Ba3 Qc8 19.Nc3=+ Nbd7 20.Nb5+= Ra6 21.Nd6 Rd6 22.Bd6 Qc6 23.c5+- Nc5 24.Bc5 Qc5 25.Rfc1 Qe5 26.Qb7?? 0-0+= 27.Bb5 g6 28.Ra5 Qe3 29.Rca1 Nh5? 30.g4+- Nf4 31.gf5 Nh3 32.f6 Rd8 33.Ra8 Nf2 34.Kg2 Qg5 35.Kf1 Rf8 1–0. Whyld,Ken – Borland,JC, BCF–ch Blackpool, 1956.

    6.a3 Nd5 7.ab4 Nb4 8.c4 (8.c3!? Nd5 9.Ne5=) 8...Bf5-/+ 9.Qa4 N8c6 10.Na3 e6 11.Be3 Qa5 12.Qa5 Na5 13.0-0-0 Nd3 14.Bd3 (14.Rd3 Ba3 Double attack (14...Ba3 Decoy); 14.Bd3 Ba3 Discovered attack) 14...Bd3?? (better is 14...Ba3 15.Kd2 Rc8-/+) 15.Kd2?? (better is 15.Rd3 Ba3 16.Ra3 Nc4 17.Rc3+/-) 15...Ba3?? (better is 15...Nc4 16.Kc3 Rc8 17.Nc4 Bc4-+) 16.Kd3+= Bd6 17.Rb1 b6 18.Bd2 Nc6 19.Rhc1 White plans c5 19...0-0 20.c5 bc5 21.dc5 Ne5 22.Ne5 Be5 23.Ba5 Rab8 24.Kc4 Rfc8 25.Rb8 Bb8 26.Kb5 Bc7 27.Bd2 a5 28.Ba5+= Rb8 29.Bb6 Kf8 30.Ka6 Be5 31.c6+- Ra8 32.Kb7 White intends c7 32...Ra2 33.c7 Bc7 34.Rc7 g5 35.Be3 h6 36.h4! gh4 37.Bh6 Kg8 38.Be3 Ra1 39.Rc4 Rg1 40.Rg4 Kf8 41.Bc5 Ke8 42.f3 Rh1 43.Kc7 f5 44.Rg7 h3 45.gh3 Rf1 46.Re7 Kf8 47.Re6 Kf7 48.Re3 f4 49.Rd3 Ke6 50.Kc6 Rh1 51.Rd6 Kf5 52.Rd5 Ke6 53.Rd4 Rh3 54.Rf4 Rh6 55.Bd6 Rh1 56.Re4 Kf5 57.Re5 Kf6 58.f4 Rd1 59.Be7 Kf7 60.f5 Rd2 61.Bg5 Rd1 62.Re7 Kf8 63.f6 Rf1 64.Kd6 Rf5 65.Bh6 Kg8 66.Ke6 (66.Ke6 Rf1 67.f7 Kh7 68.f8Q Rf7 69.Rf7 Kg6 70.Qg7 Kh5 71.Qg5) 1–0. Antoshik,Alois – Bores,Roman, CZE–ch, 1988. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5)

    6.c4 bc3 7.Nc3 Nd5 8.Qb3 Nc3 9.Qc3 Nc6 10.Bb5 Bd7 (10...Qd5 11.Bc4 Qe4 12.Be3+=) 11.0-0 (11.d5 Nb8 12.Rb1 Bb5 13.Rb5 b6=) 11...e6 12.d5 ed5 (12...Ne7 13.Bd7 Qd7 14.de6 Qe6=) 13.Re1 (better is 13.Bc6 bc6 14.Re1 Be7 15.Qg7+-) 13...Be7?? (better is 13...Ne7 14.Bd3 Rc8+=) 14.Qg7+- Rf8 15.Ba3 Be6+/- 16.Rac1 Ba3?? 17.Rc6+- bc6 18.Bc6 Ke7 19.Re6! (19.Re6 Ke6 20.Qe5) 1–0. Hayden – Rakicz, England, 1980. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Nf6)

    6.c4 bc3=+ 7.Nc3 Nd5 8.Qb3 e6 9.Nd5 ed5 10.Bb5= Nc6 11.0-0 f6 12.Re1 Kf7 13.Bd3 g6 14.h4 Na5 15.Qd1 Be6 16.Rb1 Qd7 17.h5 Bd6 18.Nh4 Rag8 19.Qc2= Nc6 20.Bh6?? Ne7 21.Qe2 Rb8 22.Bd2 Bg4-/+ 23.Bb5 Nc6 24.Qd3 g5 25.Ng6= Rhg8 26.Bc6 Qc6?? 27.Ne7+= Qd7 28.Ng8 Kg8 29.h6 Bf5 30.Qb5 Qf7 31.Rb3 Bd7 32.Qe2 Bf8 33.f4 g4+= 34.Re3 Qg6 35.Rc3 Qh6 36.Qd3 Bd6 37.Qg3 Qg7 38.Bc1 Bb4-/+ 39.f5 Rd8 40.Qc7 Rf8 41.Ba3 Bc3 42.Qc3 Re8 43.Re8 Be8 44.Qc8 h5?? 45.Qe8+- (45.Qe8 Kh7 46.Qh5 Kg8 47.Qe8 Kh7 48.Qe6+-) 1–0. Janosevic,Dragoljub – Fuderer,Andrija, YUG–ch 6th Ljubljana, 1951.

    6.Bc4 Nd5!? 7.Ne5 e6 +=.

    6.Bc4 g6 7.Ne5 Bg7 (7...Nd5 8.Qf3 Be6 9.Bb5 Nc6 10.Nc6+/-) 8.0-0 0-0 9.a3 Nbd7 10.ab4 Nb6 Now all is on d5 11.Bb3 Nfd5 12.Ba3 Be6 13.c4 (better is 13.Re1!?=) 13...Nf4+= 14.Nc3 Be5 15.de5 Nc4 16.Bc1 Nh5 17.Bh6 Re8 (worse is 17...Ne5 18.Be6 fe6 19.Bf8 Qf8 20.Nb5+/-) 18.Qe2 Qc8 19.Rfc1 a6 (better is 19...Ne5!? 20.Nb5 Nc6 21.Be6 fe6 22.Na7 Nd4+=) 20.Na4+- b5 21.Nb6! Qc6 (21...Nb6 22.Rc8 Pinning (22.Rc8 Deflection)) 22.Na8 (worse is 22.Nc4 Bc4 23.Bc4 bc4 24.Rc4 Qe6+/-; 22.Bc4?! Qb6 23.Bd3 Qd4=) 22...Ra8 23.Rd1 Ng7 24.Bg7 Kg7 25.Bc4 bc4 26.Qe3 c3 27.Qc5 (27.Rdc1 c2+/-) 27...Rc8? (better is 27...Qc5 28.bc5 Rc8+=) 28.Qe7+- c2 29.Qf6 Kh6 30.Rdc1 (30.Qf4 Kg7 31.Rdc1 Qc4+-) 30...Qe4+/- 31.h3 Bd5 32.f3 Qd4 33.Kh1 Rc3 34.h4 Rd3 ½–½. Pfleger,Michael – Dubeck,Michael, Baden–ch MA Donaueschingen, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Nf6)

    6.Ne5 Qd5 7.Bc4 Qe4 8.Be3 e6 9.0-0 b6 10.Qe2 Bd6 11.Nd2 Qb7 (11...Qc2? 12.Qf3 Qa4 13.Qa8+-) 12.f4 0-0 13.Rf3 Qc7 14.Rh3 Bb7 15.Bd3 g6 16.Qf2 h5 17.Qg3 Be5 18.fe5 Ng4 19.Rf1 Nc6 20.Rf4 Ne7 21.Rg4 hg4 22.Qg4 f5 23.ef6 Rf6 24.Bg5 Rf5?? (24...Rf7 25.Qh4 Rg7+-) 25.Be7 Qe7 26.Qg6 (26.Qg6 Qg7 27.Qe6 Rf7 28.Rg3 Qg3 29.hg3+-; worse is 26.Bf5 ef5 27.Qg6 Qg7 28.Qe6 Kf8 29.Qd6 Kf7+-) 1–0. Adamski,Andrzej (2265) – Winiarski,Mikolaj (1955), Warszawa Poland, City Ch, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 d5 5.ed5 Nf6)

    6.Ne5 Nd5 7.Bb5 Nc6 8.c4 bc3 9.Qf3 +=.

    4.d4 Nf6

    5.Bb5 Bd7 6.Qe2 Bb5 7.Qb5 Qd7 8.Qd3 e6 9.a3 Na6 10.Bd2 Qc6 11.d5 ed5 12.ed5 Qd5 13.Qe2 Qe4 14.Be3 Be7-+ 15.Nbd2 Qc6 16.0-0 0-0 17.Nd4 Qd7 18.Rfb1 ba3 19.Ra3 d5 20.Rc3 Rfe8 21.Qf3 Nc5 22.Nf5 Nce4 23.Ne4 de4 24.Qh3 Rad8 25.Bd4 Bf8 26.Rg3 Kh8 27.Re1 Re6 28.Qh4 Ra6 29.Qg5 Qc6 30.c3 Rd5 31.c4?? Rda5 32.c5-/+ Qd5 33.f4? h6 34.Nh6?? Qd4 35.Kh1 gh6 36.Rh3 Ra1 (36...Ra1 37.Rh6 Bh6 38.Qh6 Kg8 39.Qg5 Kf8 40.Qh4 Qe3 41.Qh8 Ke7 42.Qf6 Kf6 43.h3 Re1 44.Kh2 Qf4 45.g3 Ra2) 0–1. Nasz (1695) – Popovych,Orest (2320), US op New York, 1974.

    5.Bc4 Ne4-/+ 6.Nbd2?? Nc3-+ 7.Bf7 Kf7 8.Ng5 Ke8 9.Qf3 Qa5 10.Qf7 Kd8 11.Nb3 Qb5 12.Qf3 Kc7 13.a3 Nd5 14.Bd2 Nc6 15.ab4 Ndb4 16.Qe4 d5 17.Qf4 e5 18.Qf7 Kb8 19.Kd1 ed4 20.Bf4 (20.Bf4 Ne5 21.Be5 Bd6 22.Bd6) 1–0. MacDonald,Weldon – Tremblay,Denis, IECC, 1998.

    5.Nbd2 a5 6.Bb2 d5=+ 7.ed5 Nd5 8.Bc4 Be6 9.0-0 Nc6 10.Re1 h6 11.Ne5 Ne5 12.Re5 Qd7 13.Qf3 Rd8 14.Rae1 Qc6 15.g3 b5= 16.Bd3 Qb6 17.Bf5 Bf5=+ 18.Rf5 Nc3 19.a3 Qg6 20.d5 e6?? 21.de6+/- fe6 22.Rfe5 Rd6 23.Ne4?? Ne4= 24.R1e4 ba3 25.Ba3 b4 26.Bb2 Be7 27.Ra5 Bd8 28.Rb5 Rf8+= 29.Qe2 Bb6=+ 30.Rbe5 Ke7 31.Re3? Be3-+ 32.fe3 Rc6 33.Qd2? Qc2 34.Qb4 Kf7 35.Bd4 Qd1 36.Kg2 Rc2 37.Kh3 ½–½. MacDonald,Weldon – Marshall,Ron, IECC, 1998.

    5.Nbd2 Nc6 6.Bb2 e6 7.Bd3 Be7 8.0-0 0-0 9.Qe2 Ne8 10.Rfe1 d5 11.Qe3 a6 12.Qf4 Qc7 13.e5 f5 14.h4 Nd8 15.Rac1 Nf7 16.c4= bc3 17.Rc3 Qd8 18.Ba3 g6 19.Be7+= Qe7 20.Rb1 Ng7 21.Nb3 Nd8 22.Nc5 b5 23.a4 Nh5 24.Qc1+/- Rf7 25.ab5 a5 26.Ng5 Rg7 27.b6 h6 28.Nf3 g5 29.hg5 hg5 30.Na4 Bd7? 31.b7 Rb8 32.Rc8 Nf4 33.Rb8 Nd3 34.Qc7 (34.Qc7 Kh7 35.Rd8+-) 1–0. Keres,Paul – Bruno,Rolando, Havana clock sim, 1960.

    5.Nbd2 Nc6 6.Bc4 Bg4 7.h3 Bf3 8.Qf3 Nd4 9.Qd3 Nc6 10.0-0 Ne5 11.Bb5 Nfd7 12.Qd5 g6 (12...a6 13.Bd7 Qd7 14.Qb3-/+) 13.Qb7 Bg7 14.Rb1 Rb8 15.Bd7 Nd7 16.Qa7 Ra8 (better is 16...Nc5!? 17.Nc4 Ra8-/+) 17.Qe3+= Ra2 18.Qb3 Qa5 19.Nc4 Qa4 20.Nb2? (better is 20.Qb4 Qb4 21.Rb4 Rc2 22.Rd1-/+) 20...Qb3-+ 21.cb3 Nc5 22.Nd3? (22.f3 Bd4 23.Kh2-+) 22...Nd3 23.Be3 Rb2 24.Rbd1 (24.Rb2 Nb2 25.Ra1 Kd7-+) 24...Rb3 25.Ra1 (25.Rd2 Kd7-+) 25...0-0 (better is 25...Ba1 26.Ra1 Kd7 27.Kf1-+) 26.Ra7 Ra3 27.Re7 b3 28.Rb1 b2 29.Rb7 Ra1 30.R7b2 Bb2 31.Ra1 Ba1 32.Kh2 f5 33.ef5 Rf5 34.g4 Rf3 35.Kg2 Ne1 36.Kf1 Bc3 37.h4 d5 38.Ke2 d4 39.Bc1 d3 40.Kf1 Rh3 41.Kg1 d2 42.Bd2 Bd2 43.h5 gh5 44.gh5 Rh5 45.f4 Rf5 46.Kh1 Rf4 47.Kg1 h5 48.Kh1 h4 49.Kg1 Rf3 50.Kh1 h3 51.Kg1 Be3 52.Kh1 Bf4 53.Kg1 h2 54.Kh1 Rf1 0–1. Jangle,Hemang – Desirazu,Rahul, Fremont Weibel Quads, 2004. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Nbd2 Nc6)

    5.Nbd2 d5 6.Bb5 Bd7 7.Bd3 de4 8.Ne4 Ne4 9.Be4 Qc7 10.0-0 (10.Rb1 e6 11.c4 A) 11...Qc4? 12.Bb7 Bc6 13.Ne5 (13.Ba8?! Ba8 14.Bf4 Nc6+=) 13...Qa2 14.Rb2+-; B) 11...Be7=) 10...e6+= 11.Re1 Be7 12.a3 Bc6 13.Qd3 Be4 14.Qe4 Nc6 15.Bf4 Qd7 16.Ne5 (16.ab4 Bb4 17.Re3 0-0+=) 16...Ne5 17.Be5 f6 (worse is 17...ba3 18.Bg7 Rg8 19.Qh7=) 18.Bg3 Rc8 19.ab4 Bb4 20.Re3 (20.Red1 a5+=) 20...Rc4-/+ 21.Qf3 Rc2 (better is 21...Qd4!? 22.Rd1 Qg4 23.Qg4 Rg4 24.Re6 Kf7+=) 22.d5= Qc8 23.Re6 Kf7 24.Bf4 Rd8 25.Re2 (25.Rd1 b5=) 25...Re2+= 26.Qe2 a6 27.Rd1 Bd6 28.Bg3 b5 29.Qa2 (29.Qf3 Kg8-/+) 29...Qg4 30.f3 Qc8 31.Bf2 Rd7 32.Qb1 Kg8 33.Rc1 (33.Qa2 Rc7-/+) 33...Rc7-+ 34.Re1 Rc4 35.Qd3 (35.Qa1 Rc2-+) 35...Rc1-+ 36.Qe3 (36.g3 Re1 37.Be1 g6-+) 36...Rc2 (36...Re1 37.Qe1 b4 38.Bb6-+) 37.Qe4 b4 38.Bg3 (38.g3 a5-+) 38...f5 39.Qh4 Bf8 40.Kh1 (40.Bf2 Rd2-+) 40...Qc5 41.Qd8 Rc1 42.h3 f4! 43.Bf2 (43.Bf4 Re1) 43...Re1 44.Be1 Qe7 45.Qe7 Be7 46.Bd2 b3 47.Bc1 a5 (47...a5 48.Kh2 a4 49.Bf4 b2-+) 0–1. Klee,Heinz – Gross Winter,Guenter, GER jub50 qJVH26 corr, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6)

    5.Nbd2 d5 6.Bd3 de4 7.Ne4 Ne4 8.Be4 Nd7 9.0-0 Nf6 10.Bd3 e6 11.Ne5 a6 12.Re1 Be7 13.Re3 0-0 14.Rh3 Bd7?? (better is 14...Qd5+=) 15.Bh7!+- Kh8 (15...Nh7 16.Qh5) 16.Bg5 Bc6 (16...Ra7 17.Be4 Kg8 18.Bf6 Bf6 19.Qh5 Be5 20.Qh7) 17.Bf6 gf6 (17...Bf3 18.Qd3 Bh5 19.Bg8 Kg8 20.Rh5 Re8 21.Qh7 Kf8 22.Qg7) 18.Be4 (18.Be4 Kg7 19.Qg4) 1–0. Sahlmann – Reiher, Hamburg, 1938. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6)

    5.Nbd2 Bd7 6.a3 (6.Rb1=) 6...g6 (better is 6...ba3!? 7.Bd3 b5 8.Ba3 Nh5+=) 7.ab4+= Qc7 8.Bd3 Nc6 9.Ba3 Bg7 10.b5 Nd8 11.0-0 0-0 12.h3 (12.e5 Ne8+/-) 12...Ne6+= 13.e5 de5 14.de5 Nd5 15.c4 Ndf4 16.Bc2 Rfe8 17.Re1 (17.Be4 Bc8=) 17...Rad8 (17...a6!? 18.ba6 Ra6=) 18.Bc1 ½–½. Gomez Reyes,Solana – Strasser,Melisa, Pan American–ch U12 Girls, 2000. (=1.e4 c5 2.b4 cb4 3.d4 Nf6 4.Nd2 d6 5.Ngf3)

    5.Bd3 b6 6.e5= Nd5 7.a3 (7.Ng5!? e6 8.Qh5= (worse is 8.Bh7 Be7 9.Qh5 g6-/+)) 7...e6+= 8.0-0 Bb7 9.Be4 Nc6 (9...de5 10.Ne5 Qh4 11.Re1+=) 10.Bd5= ed5 11.Re1 de5 12.Ne5 Be7 (better is 12...Ne5!? 13.Re5 Be7=) 13.Bg5+/- Ne5 14.Be7 (14.Re5? f6 15.Re7 Qe7-+) 14...Ke7 15.Re5 (15.de5?! ba3 16.Qd4 Kf8=) 15...Kf8 16.ab4 Qd7 17.Nd2 g6 18.Qe2 f6 19.Re3 Kf7 20.Qf3 a6 21.Qf4 Rhe8 22.Rh3 Kg7 23.Qh4 Rh8 (better is 23...h5!?=) 24.Qh6+/- Kg8 25.Re1 Re8 26.Re8 Qe8 27.Re3 Qd7 28.Nf3 Bc8 29.Rc3 Kf7 (29...a5 30.ba5 ba5 31.Qf4+/-) 30.Qf4+- Qd8 31.Ng5 Kg8?? (better is 31...Ke7+/-) 32.Qb8+- (32.Qb8 fg5 33.Rc8 (33.Qc8?! Qc8 34.Rc8 Kg7+/-) 33...Qc8 34.Qc8 Kg7 35.Qa6+-) 1–0. Yerhoff,Frank J – Hemphill,C, corr, 1962. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6)

    5.Bd3 Bd7 6.0-0 e6 7.a3 ba3 8.Na3 (worse is 8.Ra3 d5 9.ed5 Ba3 10.de6 Be7 11.ed7 Nbd7-/+; 8.Ba3?! Bc6 9.Re1 Be7=) 8...Be7 9.c3 0-0 10.Qc2 a6 11.e5 Nd5 12.Bh7 Kh8 13.Be4 f5 14.Bd5 ed5 15.Re1 Nc6 16.Re3 (16.e6 Be8+/-) 16...g5? (better is 16...de5!? 17.de5 Be6=) 17.ed6 Bd6 18.Ne5 (better is 18.Ng5!? Qc7 19.Rh3 Kg7 20.Rh7 Kf6 21.Qd3+-) 18...Be5+= 19.Rh3 Kg7 20.de5 Ne5 21.Qe2 Qf6?? (21...Re8 22.Qh5 Rh8=) 22.Bg5!+/- (22.Bg5 Qg5 23.Qe5 Qf6 24.Qd5+/-) 1–0. Sarihan,Sefa – Bilbey,Brian, SL–2006–0-00045, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Bd7 5.Bd3 Nf6)

    5.Bd3 Bd7 6.a3 ba3 7.Na3 e6 8.c4 Be7 9.0-0 h6 10.Qb3 Qc7 11.Bf4 Bc6 12.d5 ed5 13.cd5 (13.ed5?! Bd7+=) 13...Bd7 14.Rfc1 Qd8?? (14...Qb6 15.Nb5 Na6 16.Ra6 ba6 17.Nc7 Kf8 18.Qb6 ab6 19.Na8 b5+-) 15.Qb7 (15.Qb7 Nh5 16.Be3+- (16.Qa8?! Nf4 17.Bc4 Bf6+-)) 1–0. Kulik,Vadim – Kyllo,Richard, IECG, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bd7)

    5.Bd3 Nbd7 6.0-0 e5 7.a3 =.

    5.Bd3 Nbd7 6.0-0 e6 7.a3 ba3 8.Ba3 (worse is 8.Ra3 d5 9.e5 Ba3 10.Na3 Ne4-/+) 8...Be7 9.c4 0-0 10.Nc3 a6 11.Bb2 Qc7 12.Re1 e5 13.d5 (better is 13.Nd5!? Nd5 14.ed5=) 13...Nc5-/+ 14.Be2 (14.Nb5!? Qd8 15.Bc1-/+) 14...Nfe4-+ 15.Ne4 Ne4 16.Bd3 Nf6 17.Rc1 Bg4 18.Bc2 (18.h3 Bh5-/+) 18...Bh5 (18...Qc5 19.h3 Bh5 20.g4-+) 19.Qe2 (19.c5 Qd7-/+) 19...Rfe8 20.Qe3 Rac8 21.Qb3 Kh8 22.Bb1 Bd8 23.Ng5 h6 24.Ne4 Ne4 25.Be4 Qb6 (25...Bg5 26.Rc2-+) 26.Qc3 (better is 26.Qh3!? Bg5 27.Qh5 Bc1 28.Qf5=) 26...Bh4 27.g3 Bg5 28.Rc2 Rc7 29.Kh1 (29.Ba3 Be7-/+) 29...Bf6 (29...Rec8!? 30.Qd3 Qb4 31.Ra1 Rc4 32.Ba3-+) 30.Rec1 Rec8 31.Qd3 Be7 32.Kg2 f6 33.Kh1 Bf8 34.Ba1 Be7 35.Rb2?? (35.Bb2 Qc5 36.Bf5-+) 35...Qa7 36.Bf5 Rd8 37.Be6 Be8 38.Qe4 Bd7 39.Bd7 Rdd7 40.Qg6 (40.f4 b5!-+) 40...Rc8 41.Kg2 b5! 42.Qd3 (42.cb5 Rc5) 42...bc4 (42...Qc5 43.Rbc2 b4 44.Ra2-+) 43.Rc4 Rc4 44.Qc4 Rc7 45.Qa4 Rb7 46.Re2 Qa8 47.Qc6 Qb8 48.Qa6? Ra7 49.Rb2 Ra6 50.Rb8-/+ Kh7 51.Bc3 Ra7 52.Bd2 Rd7 53.Ba5 g5 54.Rb4 Bd8 55.Bd8 Rd8 56.g4 Kg6 57.Kg3 f5 58.gf5 Kf5 59.f3 Re8 60.Rc4? e4-+ 61.Rc3 e3 62.Rc1 e2 (62...e2 63.Kf2 e1Q 64.Re1 Re1 65.Ke1 Ke5-+) 0–1. Fiklik,Vladimir – Kirs,Pavel, CZE–ch U14 Most, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6)

    5.Bd3 Nbd7 6.0-0 e6 7.c3 bc3 8.Nc3 a6 9.Bf4 Be7 10.Re1 0-0 11.Qc2 h6 12.Rad1 b5 13.e5 de5 14.de5 (worse is 14.Be5 Bb7 (14...Ne5?! 15.de5 Nd7 16.Bh7 Kh8 17.Be4+=) 15.Ne4 Rc8-/+) 14...Nd5 15.Nd5 ed5 16.Nd4 Nb6 17.e6 Nc4 18.Nc6 Qe8 19.Ne7 (19.Bh7!? Kh8 20.ef7 Qc6 21.Bg8 (21.Re7?! Qf6 22.Re8 Qf7 23.Rf8 Qf8 24.Rd5 Bb7+=) 21...Rg8 22.fg8R Kg8 23.Re7+/-) 19...Qe7+= 20.ef7 (20.Bc4!? bc4 21.Rd5 Be6 22.Rd4+=) 20...Qf7-/+ 21.Bc4 dc4 22.Bd6 Rd8 23.Qe4 Bf5 24.Qe7 (24.Qc6!?-/+) 24...Qe7-+ 25.Be7 Rd1 26.Rd1 Re8 27.Bb4 Re2 28.a3 a5! 29.Ba5 Bc2 (29...Ra2 30.Bb4-/+) 30.Re1 Re1 31.Be1 Kf7 32.f3 Ke6 33.Kf2 Kd5 34.Ke3 h5 35.h4 g6 36.g4 hg4 37.fg4 Bd1 38.g5 Bc2 39.Bc3 Bf5 40.Kf4 Bc2 41.Ba1 Bf5 42.Bh8 Bc2 43.Ke3 Bf5 44.Bg7 Bc2 45.Bf6 ½–½. Agarwal,Rohan – Jasthi,Sreekar, Fremont Weibel Quads, 2004. (=1.e4 c5 2.b4 cb4+= 3.d4 d6 4.Nf3 Nf6)

    5.Bd3 Nbd7 6.0-0 e6 7.Re1 Be7 8.a3 ba3 9.Na3 Nb6 (9...a6 10.Nc4+=) 10.c4 a6 Prevents intrusion on b5 11.Nc2 Black has a cramped position 11...Qc7 12.e5 de5 13.de5 White has a very active position. (13.Ne5!? is worth looking at 13...0-0 14.c5=) 13...Nfd7= 14.Ncd4 Nc5 A comfortable square for the black knight (14...Nc4 Instead of 15.Qc2 b5 16.Nb5 ab5 17.Ra8+/-) 15.Bc2 Bd7 16.Bf4 Rc8 17.Nf5?? (better is 17.Bg5= the rescuing straw) 17...ef5-+ 18.e6 Qf4 19.ed7 Ncd7 (better is 19...Nbd7 seems even better 20.g3 Qc4 21.Bf5 Ne6-+) 20.Qe2 0-0 (20...Qd6 21.Bf5 Rc7 22.Rad1-+) 21.Qe7-/+ Qc4 Black king safety dropped. (better is 21...Rc4!? 22.Re2 g6-+) 22.Bf5+= Rcd8 (22...Rc7 23.Rad1 Nd5 24.Qd6+=) 23.Rac1 White threatens to win material: Rc1xc4 (23.Ng5 Nd5 24.Bh7 Kh8 25.Nf7 Kh7=) 23...Qf4 Black threatens to win material: Qf4xf5 (23...Qb5 24.Be4+=) 24.Bb1 (24.Be4 Nf6 25.Rb1 Nc8-/+) 24...Nf6 (24...Nd5 25.Qa3 N7f6 26.Bc2-/+) 25.Qe2 (better is 25.Qb7 is a viable option 25...Nfd5 26.Rcd1=) 25...Nbd5 26.g3 Qb8 (26...Qd6 27.Qb2 Qb4 28.Qc2-/+) 27.Qc2 (27.Ba2 Rfe8 28.Ne5 Re7-/+) 27...g6 (27...Rc8 28.Qd3-/+) 28.Nd4 (28.Ba2-/+) 28...Nf4 (better is 28...Rfe8 29.Re8 Re8-+) 29.gf4?? (better is 29.Qb2= was necessary) 29...Rd4-+ 30.Qc3 (30.Qc7 Nd5 31.Qe5 Rd2 32.Qb8 Rb8-+) 30...Rfd8 (30...Qf4!? keeps an even firmer grip 31.Qg3-+) 31.f5 b5 32.fg6 (32.h3 Qf4 33.Qc7 Qg5 34.Qg3 Qg3 35.fg3 b4-+) 32...hg6 33.Qh3 (33.h3 doesn't get the bull off the ice 33...Qf4 34.Qg3 Nh5-+) 33...Nh5 0–1. Llaneza Vega,P (2165) – Ortiz Fernandez,VA (2080), Pablo Moran Memorial, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nbd7)

    5.e5 de5-/+ 6.Ne5 Nc6 7.Nc6 bc6 8.Be2 -/+.

    5.e5 de5-/+ 6.Ne5 Qc7 7.Bd3 (7.Bf4 Qb6+=) 7...e6+= 8.0-0 Nc6 9.Bb5 (9.Nc6 bc6 10.a3 c5+=) 9...a6 10.Nc6 bc6 11.Bd3 (11.Bf4 Bd6 12.Bd6 Qd6-/+ (12...cb5?? 13.Bc7 Bb7 14.Bd6+-)) 11...Bd6-+ 12.h3 0-0 13.a3 c5 14.dc5 Bc5 15.ab4 Bb4 16.Bb2 Be7 17.Nd2 Bb7 18.Nf3 Qc6 19.Re1 Rfd8 20.Qe2 Bb4 21.Bf6 gf6 22.Red1 Rac8 23.Nh4 Rd5?? (23...Bc3 24.Rab1-/+) 24.Qf3?? (better is 24.Qg4 Rg5 25.Qb4 Rg2 26.Kf1+/-) 24...Be7 (24...Bc3 25.Ra3 f5 26.Rb1-/+) 25.c4 (25.Re1 Re5-/+) 25...Rg5 (25...Rd7 26.Qg4 Kh8 27.Nf3-/+) 26.Qc6+= Rc6 27.Be4 Rc4 28.Bb7 Rh4 29.Ra6 Rh3 30.Ra8 Kg7 31.Rd7 Bc5 32.Rdd8? Rb3 33.Rg8 Kh6 34.Rg5 fg5 35.Be4 Kg7 36.Ra5 Be7 37.Ra7 Bc5 38.Ra5 Rc3 39.Kf1 h6 40.Ra1 Ra3 41.Rc1 Bd4 42.Ke2 Ra2 43.Rc2 Rc2 44.Bc2 h5 45.f3 h4 46.Kd3 Be5 47.Bb3 Kf6 48.Ke4 Bf4 49.Bc4 Ke7 50.Kd3 Kd6 51.Bb5 f5 52.Ba6 g4 53.Ke2 g3 54.Kf1 Be3 55.Bc8 Ke5 56.Bb7 Kf4 57.Bc6 e5 58.Bb7 Bf2 59.Bc6 Ke3 60.Bd7 h3! 61.gh3 Kf3 62.Bc6 e4 63.Be4 fe4 (63...fe4 64.h4 g2) 0–1. Kramer,Ralf – Paul,Fabian (1615), Berlin GER, Fruehling Open–B, 2014. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6)

    5.e5 de5-/+ 6.Ne5 Nbd7 7.Nd2 a6 8.Bb2 Qc7 9.Bc4 e6-/+ 10.0-0 b5 11.Be2 Bb7 12.Bf3 Ne5 13.Bb7?? Neg4-+ 14.Re1 Qb7 15.f3 Nh6 16.Ne4 Ne4 17.fe4 Qc7 18.Qd2 Be7 19.c3 Ng4 20.e5 bc3 21.Bc3 Qd8 22.Ba5 Bg5 23.Qc3 Qd5 24.Rad1 Bf4 25.h3 Nh2 26.Qd3 f6 27.ef6 gf6 28.Qe4 Qe4 29.Re4 e5 30.Bc7 Bg3 31.de5 f5 32.Red4 Rg8 33.Rd7 Be5! 34.Be5? Nf3 35.Kh1 Ne5 36.Rh7 Rc8 37.Re1 Rc5 38.Rh5 Rf8 39.Rh6 Kf7 40.Ra6 Rd8 41.Rb1 Nd3 42.Rb6 b4 43.a3 ba3 44.Ra6 Rd7 45.Ra3 Rc2 46.Kh2 Nf4 47.Rg3 Rdd2 48.Rb7 Ke6 49.Rbg7 Re2 50.Rg8 Ke5 51.h4 Rf2 52.Re8 Kd6 53.Rd8 Ke7 54.Rdg8 Rfd2 55.R8g5 Ke6 56.Rg8 Kf7 57.R8g5 Kf6 58.Rg8 Ke7 59.R8g5 Rc5 60.h5 Kf6 61.h6 Rc7 62.Rg7 Rc1 63.Rb3 Rdd1 64.Rb6 Ne6 65.Ra7 Rh1 66.Kg3 Rc3 67.Kf2 Rc2 68.Kf3 Rf1 69.Ke3 f4 70.Kd3 Rg2 71.h7 Rd1 72.Ke4 Re1 73.Kf3 Rg3 74.Kf2 Rh1 75.Rd7 Rh2 76.Kf1 Rc3 77.Rbd6 Rch3 78.Rd2 Rh7 79.Rh7 Rd2 80.Rh4 f3 0–1. Foch,Louis – Guzman_Moya,Jesus, IECC, 1997.

    5.Nbd2 e6

    6.a3 ba3 7.Ba3 Be7 8.Bd3 e5 (8...0-0 9.0-0=+) 9.c3 (9.de5 de5 10.Ne5 Ba3 11.Ra3 0-0=) 9...0-0 10.0-0 Re8 (10...Qc7 11.Qb3=+) 11.Ne1 (11.Qb3 Nc6=) 11...ed4 (11...d5 12.Be7 Qe7 13.ed5 Nd5 14.Nef3=+) 12.cd4=+ Bf8 (12...a6 13.Nef3=+) 13.f4 (13.Nef3 Nc6=) 13...g6 (13...Nc6 14.Nef3=+) 14.Nef3 White plans e5 (14.Qb3 a6=) 14...Bg7 (14...Bh6 15.Ng5=) 15.Qb3 (15.e5 Ng4 16.Qb3 de5 17.fe5 Nc6=) 15...d5 (15...Nc6 16.d5 Nb8 17.Rfc1=) 16.e5+= Nh5 17.g3 Nc6 18.Bd6 Bf8 19.Bf8 (worse 19.Qd5 Nb4 20.Qb3 Bd6=+) 19...Rf8 20.Rfc1 Na5 (20...f6 21.Re1=) 21.Qb5 b6 22.Nf1 (22.Rab1 Re8=) 22...Ng7 (22...f6 23.Ne3 Be6 24.Rab1=) 23.Ne3 Attacking the isolated pawn on d5 23...Be6 24.g4 (24.Ng5 f6 25.Ne6 Ne6 26.Qd5 Qd5 27.Nd5 fe5 28.de5 Nb3=) 24...f5 (24...a6 25.Qb4 f6 26.Rf1 fe5 27.Ne5=) 25.gf5 (25.g5 Nh5=+) 25...Nf5 (better 25...a6 26.Qb2 Bf5 27.Nf5 Nf5-/+ (27...gf5?! 28.Qb4=)) 26.Ng5? (better 26.Bf5 Bf5 27.Qd5 (27.Nd5? Be4 28.Nf6 Rf6 29.ef6 Bf3-+) 27...Qd5 28.Nd5=+) 26...Nd4-+ (26...Ne3 27.Ne6 Qh4 A) 28.Nf8 Qg4 29.Kf2 Qf4 30.Kg1 Qg5 31.Kf2 Rf8 (31...Kf8?! 32.Ke2=+) 32.Ke1 Qf4-+; B) 28.Qd7 Qg4 29.Kf2 Rf4 30.Ke3 Rf3 31.Kd2 Qg2 32.Kc3+=) 27.Qb2? (better 27.Ne6 Ne6 28.Qd5 Qd5 29.Nd5-+) 27...Rf4 28.Ne6 Ne6 29.Kh1 Qh4 (29...Rf3 30.Re1 Qg5 31.Qe2-+) 30.Ng2 Rf2 31.Qb5 (31.Rc2 Rc2 32.Qc2 Qd4-+) 31...Qg4 (31...Qd4 32.Bg6 a6 33.Qd7-+) 32.Rg1 Rd8 (32...Qd4 33.Rad1 Qe5 34.Rgf1-+) 33.Ra4 (33.Raf1 Rf1 34.Rf1 Qh5-+) 33...Qf3 34.Rh4 (34.Bf1 Qc3-+) 34...Rf8 (34...Nc5!? 35.Bb1-+) 35.Qd7 Qf7 (35...Ng5!? 36.Qe7 Qd3 37.Qg5-+) 36.Qd5 Rd8 37.Qb5 Nd4 38.e6 (38.Qa4 Qd5-+) 38...Qe6 (38...Qf6!? 39.Qb1 Rg2 40.Rg2 Qh4 41.Bg6 Ne6 42.Bh7 Kh8 43.Be4-+) 39.Qg5 Qf6 40.Qg3 (40.Qh6 Rd7-+) 40...Rf8 (better 40...Rf3 41.Qc7 Rd3 42.Qh7 Kf8-+) 41.Be4 (41.Qc7 Rf7 42.Qb8 Kg7 43.Bg6 Qg6 44.Nf4 Qg1 45.Kg1 R7f4 46.Qc7 Kg6 47.Qd6 Kg5 48.Qe7 Rf6 49.Rd4=) 41...Rf1 42.Nf4 (42.Bd5 Kh8 43.Rh7 Kh7 44.Qh3 Kg7 45.Qd7 Rf7 46.Qf7 Qf7 47.Bf7 Rf7-+ (47...Kf7?! 48.Rf1 Kg7 49.Nf4-/+)) 42...Rg1 43.Kg1 (43.Qg1 Qh4 44.Qd4 Qe1 45.Kg2 Rf4 46.Bd5 Rf7 47.h3-+) 43...Ne2 (43...Ne2 44.Kg2 Ng3 45.hg3 g5 46.Bh7 Kh8-+) 0–1. Baldvinsson,Loftur – Thorhallsson,Throstur, RunavAAk Open, 2016. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Nbd2 e6)

    6.a3 a5 7.h3 =.

    6.a3 d5 7.Bd3 de4 8.Ne4 Ne4 9.Be4 Nd7 10.0-0 Nf6 11.Bd3 Bd7 12.ab4 Bb4 13.c4 Bc6 14.Bb2 Bd6 15.d5 Bd7 16.Re1 0-0 17.de6 Be6 18.Ng5 Bh2 19.Kh1 Bf4 20.Ne6 fe6 21.Re6 Ne4 22.Re4 (worse is 22.Be4 Qh4 23.Kg1 Bh2 24.Kh1 Bg3 25.Kg1 Qh2 26.Kf1 Rf2 27.Ke1 Qg1) 22...Qh4 23.Kg1 Bh2 24.Kh1 Bf4 25.Kg1 Bh2 26.Kh1 Bf4 ½–½. Gudbrandsen,Gustav (2285) – Ekeberg,Carl Fredrik (2260), NOR–chT, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 e6)

    6.a3 Be7 7.ab4 d5 8.c3 (8.e5!? Ne4 9.Nb1=) 8...de4+= 9.Ne5 Nbd7 10.Nec4 (10.b5 Qc7 11.Nec4 0-0+=) 10...0-0 (10...b5 11.Na5 Qc7 12.Qb3+=) 11.Qc2= Qc7 12.Bb2 (12.Ne4!? b6 13.Nf6 Nf6 14.Bd3=) 12...e5 13.de5 (better is 13.Be2!?+=) 13...Ne5-/+ 14.Ne5 Qe5 15.Ra5 (15.Nc4 Qe6-/+) 15...Qc7 16.Ne4? (better is 16.Be2!? e3! 17.fe3 Bb4 18.Ra4-+) 16...b6-+ 17.Ra4? (17.Ra1 Bb7 18.Ng3-+) 17...Ne4 18.Qe4 (18.Bd3 Nf6 19.0-0 Bb7-+) 18...Bb7 19.Qc4 Qe5 20.Qe2 Qf5 21.Qd3 Be4 22.Qb5 Qe6 23.Qe2 b5! Deflection: a4 24.Ra5 a6 25.Bc1 Bf6 26.Ra3 Qc6 27.f3 Bc3 28.Bd2 Bd2 29.Qd2 Bd5 30.Be2-/+ Rad8 31.Rd3 Rd7 32.0-0 Rfd8 33.Rc1 Qb6 34.Kh1 g6 35.h4 Qf6 36.h5 Qh4 37.Kg1 Qf6 38.h6 Qe6 39.Kf1 Qf6 40.Rd4 Qe6 41.Rc5 f6 42.Bd3 Bf3 43.Rd7 Qd7 44.gf3 Qd3 45.Qd3 Rd3 46.Ke2 Rd4 47.Rc8 Kf7 48.Rc7 Ke6 49.Rh7 Rb4 50.Ra7 Rh4 51.Ra6 Kf5 52.Rb6 Rh6 53.Rb5 Kf4 54.Rb4 Kg5 55.Kf2 Rh1 56.Ra4 Kh5 57.Rb4 f5 58.Kg2 Ra1 59.Rb5 Kg5 60.Rb4 f4 61.Rb8 Kh6 62.Rh8 Kg7 63.Rb8 g5 64.Rb6 Rd1 65.Ra6 Kf7 66.Rb6 Re1 67.Rb8 Re3 68.Rb6 Re6 69.Rb5 Kf6 70.Rb2 Kf5 71.Rb8 Re1 72.Rb6 Re2 ½–½. Shirazi,Kamran G (2410) – Pelle,Guillaume (2280), Le Touquet op, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 e6)

    6.Bd3 Nc6 7.0-0 Be7 8.Re1 0-0 9.e5 (9.a3 Qc7+=) 9...de5-/+ 10.de5 Nd5 11.Ne4 Nc3 (11...Qc7 12.Bb2-/+) 12.Nc3+= bc3 13.Rb1 (13.Qe2 Nb4+=) 13...f6 (13...Nb4!?-/+) 14.ef6+= Bf6 15.Rb5 (15.Be4 Qa5+=) 15...Nd4 16.Nd4 Bd4 17.Be3 e5 (17...g6 18.Qe2=) 18.Bd4 Qd4 (18...ed4 19.Qh5 g6 20.Bg6+-) 19.Rbe5 Qf4 (19...Qf2!? 20.Kh1 h6=) 20.Qe2+= Bf5 21.Rf5 Rf5 22.Bc4?? (better is 22.Bf5 Qf5 23.Qc4 Qf7 24.Qc3 Qa2 25.h3=) 22...Kh8-+ 23.Bd3 Rff8 24.g3 Qf3 25.Qf1? Rae8-+ 26.Rb1 Re6 27.Qg2 Qg2 28.Kg2 Re7 29.Rb4 Rc7 30.f4 Rd8 31.Be4 h6 32.Kf3 Kg8 33.Bg6 Rd6 34.f5 Rd2 35.Re4 Rd8 36.h4 Kf8 37.h5 b6 38.g4 Rc6 39.g5 hg5 40.Kg4 a6 41.Kg5 b5 42.h6 gh6 43.Kh6 Rcd6 44.Kg5 Rd2 45.Rh4 Rg2 46.Kf6 Rd6 47.Ke5 Rdg6 48.fg6 Rg6 49.Rh8 Ke7 50.Rc8 Kd7 51.Rc3+= Re6 52.Kd5 Rd6 53.Ke4 Re6 54.Kd3 Rd6 55.Ke2 Rc6 56.Rd3 Kc7 57.Kd2 Rd6 58.Kc3 Rc6 59.Kb3 Kb6 60.a3 ½–½. Goldsmith,Alan (2285) – Dickson,Ian C, Australian op, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Nbd2 e6)

    6.Bd3 Nc6 7.Bb2 d5 8.e5 Nd7 9.0-0 Nb6 10.c3 bc3 11.Bc3 Bb4 12.Bb2 0-0 13.a3 Be7 14.Qc2 h6 15.g4 Bd7 16.Kh1 Rc8 17.Qb1 Na5 18.Rg1 Nac4 19.Bc1 Rc7 20.Nf1 f6 21.Rg3 fe5 22.de5 Bc5 23.g5 Rf3! 24.Bh7 (24.Rf3 Ne5) 24...Kh8 25.gh6?? (better is 25.Rf3 Ne5 26.Rg3 Bf2 27.Rg2-/+) 25...Rg3 26.Ng3 Be8 (26...Bf2 27.hg7 Kg7 28.Qg6 Kh8 29.Bg5 Qg5 30.Qg5 Kh7 31.Nh5 Bc6 32.Nf6 Kh8 33.Qg8) 27.f4 gh6 28.Bg6 d4 (28...d4 29.Be4 Bc6-+) 0–1. Trouilleux,Kevin (2155) – Le Ruyet,Leopold (2015), FRA–ch op–A Aix–les–Bains, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 e6)

    6.Bd3 d5 7.0-0 Be7 8.Bb2 Nc6 9.c4 (9.Ne5 Ne5 10.de5 Ne4 11.Ne4 de4 12.Be4 Qd1 13.Rad1 Rb8+=) 9...bc3-/+ 10.Bc3 de4 11.Ne4 Nd5 12.Bb2 0-0 13.Rc1 Ncb4 14.Bb1 Nf6 (14...Bd7 15.a3 Na6 16.Qd3-/+) 15.Nfg5 (15.Nf6 Bf6 16.Ba3 a5+=) 15...Ne4-/+ 16.Ne4 Nd5 17.Qd3 f5 18.Nc3 Bg5 19.Rce1 Bf6 20.a3 Qa5 (20...Nf4 21.Qf3 Qd4 22.Rd1-/+) 21.g4 (21.Nd5 Qd5 22.Bc2 Qd6+=) 21...Bd7 22.gf5 Nc3 23.Bc3 Qf5 24.Qg3 (24.Qf5 ef5 25.Ba2 Kh8+=) 24...Qh5-/+ 25.Ba2 Bh4 26.Re5 Bg3 27.Rh5 Bd6 28.d5 Rf5 (28...Ba3 29.de6 Be8 30.e7 Rf7 31.Re1+- (31.Bf7?! Bf7 32.Re5 b6+/-)) 29.Rf5 ef5 30.Re1 Re8 31.Re8+= Be8 32.Bb4 Bb4 33.d6 Kf8 34.ab4 Bd7 35.Kg2 g5 36.Kf3 Kg7 37.Bd5 b6 38.Ke3 f4 39.Ke4 Kf6 40.Kd4 h6 41.f3 h5 42.Bb3 Bf5 43.b5 g4 44.fg4 hg4 45.Bd5 Bd7 46.Bc4 g3 (46...g3 47.hg3 fg3-+) 0–1. Wrinn,Steven J – Parsons,David W. (USA), WT/M/GT/206 corr ICCF, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Nbd2 e6)

    6.Bd3 Be7

    7.0-0 0-0 8.e5 Nd5 9.Ne4 Nc6 10.Neg5 h6 11.h4?? (better is 11.Ne4-/+) 11...hg5-+ 12.Ng5 g6 13.Qg4 (13.Nf3 Bh4 14.a3 Kg7-+) 13...de5 14.h5 f5 (14...Nf6!? 15.Qh4 Nh5 16.de5 Ne5 17.Be2-+) 15.Qh4 Kg7 (15...ed4 16.hg6 Kg7 17.Qh7 Kf6 18.g7+-; 15...Nd4 16.hg6 Nf6 17.Qh6+-) 16.hg6 (16.Qg3 Nd4 17.Ne4-+) 16…Rh8 (16...Rh8 17.Qg3 f4-+; 16...Nd4?? 17.Qh7 Kf6 18.Nf7+-; 16...ed4 17.Qh7 Kf6 18.g7+-; 16...Kg6?? 17.Qh7 Kf6 18.Qh6) 0–1. Pedro,Fernando (2255) – Walsh,Hector (2205), Ricardo Lettieri IRT, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 e6 6.Bd3 Be7)

    7.0-0 Nc6 8.Rb1 d5 9.e5 Nd7 10.Re1 Nb6 11.Nf1 Na4 12.Bd2 a6 13.Ng3 h5 14.Ne2 b5 15.h4 Bh4 16.Nh4 Qh4 17.Bb4 Nb4 18.Rb4 Bd7 19.Qd2 Rc8 20.Rb3 Qd8 21.Nc1 Qc7 22.Qg5=+ Qa5 23.Rd1 Kf8 24.Ne2=+ Qd8 25.Qd2 Rc6 26.Nf4 Be8 27.Be2 g6 28.Rf3 Kg7 29.Nh3 Qe7 30.Rf6? Nc3-+ 31.Bd3 Na2 32.Qg5-/+ Rc7 33.Nf4=+ Rh6 34.Re1 Nb4-/+ 35.Re3 Nd3 36.Rd3 Kh7 37.Rh3=+ Rc2?? 38.Rh5 Rh5-+ 39.Nh5 Qa3 40.Rf4 Qc1 41.Kh2 gh5 42.Qh5 Kg7 43.Qg5 Kf8 44.Qf6 Qf4 45.Qf4 b4 46.Qe3 a5=+ 47.f4 Rc3 48.Qd2=+ Rc6 49.g4 Bd7 50.Qa2 Ra6 51.f5 Ke8 52.f6 Kd8 53.g5 a4?? 54.g6+- fg6 55.Qc2 a3?? 56.Qc5 Rc6 57.f7 (57.f7 Rc5 58.f8Q Be8 59.Qd6 Bd7 60.dc5+-) 1–0. Tsifanskaya,L (2200) – Petrov,Marij (2430), 5th Kesarovski – Georgiev Mem, Sunny Beach, 2006.

    7.0-0 d5 8.Ng5 (8.e5 Nfd7+=) 8...de4-/+ 9.Nde4 Nc6 10.Be3 Nd5 (10...Nd4? 11.Bd4 Ne4 12.Ne4+-) 11.Qh5 g6 12.Qh6 Bf8 (12...Ne3 13.fe3 Bf8 14.Nf6 Qf6 15.Qf8 (15.Rf6?? Bh6 16.h4 Bd7-+) 15...Rf8 16.Rf6+=) 13.Qh3 Bg7 14.Qg3 0-0 (worse is 14...Ne3 15.fe3 0-0 16.Nh7 Bd4 17.Qh3 Be3 18.Kh1+=) 15.Nh7? (better is 15.Rad1-/+) 15...Kh7-+ 16.Ng5 Kg8 17.Rae1 (17.Qh4 Nf6-+) 17...Nce7 (17...Bd4!? 18.Qh4 Nf6 19.Rd1-+) 18.Qh4 Re8 19.g4 (19.Qh7 Kf8-+) 19...f6 (better is 19...Nf6!? 20.Rb1-+) 20.Qh7 Kf8 21.Nf3 Kf7 22.Bh6 Rg8 23.g5 Nf5 24.Bf5 gf5 25.Kh1 Qc7 26.Rg1= Kf8?? 27.gf6+- Nf6 28.Rg7 (28.Rg7 Qg7 29.Bg7 Rg7 30.Qh4+-) 1–0. Fehlbecker,Hans – Palm,Hans, Germany Cup8 prel, 1979. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Nbd2 e6 6.Bd3 Be7)

    7.Rb1 Nc6 8.Bb2 d5 9.e5 Nd7 10.h4 h6 11.Ng1 Nb6 12.Qg4 Bf8 13.Rh3 h5 14.Qf4 Ne7 15.a3 Nf5 16.ab4 Bb4 17.Ba3 Ba3 18.Bf5 ef5 19.Ra3 Be6 20.Rg3 g6 21.Nh3 Qe7 22.Ng5 Rc8 23.Nb3 Na4 24.Ne6 Qe6 25.Na5 b6 26.Nb7=+ 0-0 27.Nd6 Nc3 28.Nc8+= Rc8 29.Rb2 a5 30.Rd3 b5 31.Qc1 b4 32.Qa1 Qb6 33.Rb3 Qc7 34.f3 Kh7 35.Kd2 Qd8 36.g3 f4 37.Qe1 fg3 38.Qg3 Qc7 39.Qg1 Nb5 40.Qc1 Qe7 41.Qe1 a4 42.Rb2 Nc3 43.Qg3 Rc4 44.Qe1 a3 45.Rb3 a2 46.Ke3?? Qh4 (46...Qh4 47.Qh4 a1Q-+) 0–1. Shirazi,Kamran G (2285) – Sanchez,Julio, Nice ol (Men) qual–C, 1974.

    7.Bb2 0-0 8.0-0 b6 9.c4 bc3-/+ 10.Bc3 d5 11.Re1 Ba6 12.Bc2 Nc6 13.Ne5 Rc8 14.Ng4 Ng4-+ 15.Qg4 Nb4 16.Re3?? Nc2 17.Rg3 g6 18.Rb1 Nb4! 19.a3 Nd3 20.Bb4 Nb4 21.ab4 Bb4 22.Nf3 Bd3 23.Ra1 de4 24.Ne5 Qd4 25.Rd1 Qe5 (25...Qe5 26.Rgd3 ed3 27.Qb4 Rfd8-+) 0–1. MacDonald,Weldon – Hughes,Dave (2045), IECC, 1999.

    7.Bb2 0-0 8.h4 Nbd7 9.e5 de5 10.de5 Ng4 11.Bh7= Kh7 12.Ng5+/- Bg5 13.hg5+- Kg6 14.Qg4 Qg5 15.Qh3 f6?? 16.Ne4 Qf5 17.Qh7 (17.Qh7 Kf7 18.Nd6 Ke7 19.Qg7 Kd8 20.Nf5 ef5 21.0-0-0+-) 1–0. Schultz Pedersen,J (2155) – Moller,A (1900), Politiken Cup, Copenhagen DEN, 2005.

    7.Bb2 Nc6 8.Qe2 d5 9.0-0 de4-/+ 10.Ne4 Nd5 11.Qd2 b6 12.a3 ba3 13.Ba3=+ Bb7 14.Rfe1 0-0 15.c4 Ba3 16.Ra3=+ Nf6 17.Bb1 Rc8 18.d5 ed5 19.Nf6= Qf6 20.Ng5 g6 21.Rh3? Rfe8-+ 22.Rd1 dc4 23.Nh7 Qe5 24.Re3 Qg7 25.Ng5 Red8 26.Qc1 Rd1 27.Qd1 Qd4 28.Qe1 Rd8?? 29.Bg6+= Qd1 30.Bf7 Kh8?? 31.Re8 Kg7 32.Ne6 Kf6 33.Nd8 Qe1 34.Re1 Nd8 35.Bc4 a6 36.Rd1 Ke7 37.Bd5 1–0. Schultz Pedersen,J (2190) – Solomon,SJ (2345), Australian Open, Penrith AUS, 2003.

    5.Nbd2 Bg4

    6.Rb1 a5 7.a3 ba3 8.Ba3 Nc6 9.d5 Ne5 10.Ne5+/- Bd1? 11.Bb5+- Nd7 12.Bd7 Qd7 13.Nd7 Kd7 14.Kd1 Kc7 15.Nc4 b5 16.Rb5 g6 17.Kd2 Bh6 18.Kd3 f5 19.ef5 gf5 20.Rhb1 Rhg8 21.Rb7 Kc8 22.Bd6! Rg2 23.Be7 Bf4 24.d6 Rf2 25.Rc7 (25.d7) 1–0. egomi (1625) – francouno (1760), kurnik, 2011.

    6.Rb1 d5 7.h3 Bh5 (7...Bf3 8.Qf3 Nc6 9.e5+=) 8.g4 Bg6 9.Ne5 Nc6 10.Bb5 Rc8 (better is 10...Qc8+=) 11.0-0 (better is 11.Bc6 bc6 12.Ng6 hg6 13.e5+=) 11...e6-/+ (11...Be4?! 12.g5 Nd7 13.Nd7 Qd7 14.Ne4 de4 15.d5 Qh3 16.Rb4=) 12.a3 (12.Nc6 bc6 (12...Rc6?! 13.Bc6 bc6 14.e5=) 13.Ba6 Rb8-+ (13...de4?! 14.Bc8 Qc8 15.a3-/+; 13...Ne4?! 14.Ne4 Be4 15.Bc8 Qc8 16.a3-/+; 13...Be4?! 14.Bc8 Qc8 15.g5=)) 12...Qb6 (12...ba3 13.Nc6 bc6 14.Ba6-+) 13.ed5 (13.c4 Ne4 14.Bc6 Rc6+=) 13...Nd5 (worse is 13...ed5 14.Re1 Kd8 15.Bc6 bc6 16.g5+=) 14.Bc6 Rc6 15.Ndc4? (better is 15.Nc6!? Qc6 16.Qf3 Bc2 17.Rb2-/+) 15...Rc4! 16.Nc4 Qc7 17.Ne5 (17.Nd2 Bc2 18.Qf3 Bb1 19.Nb1 h5-+) 17...Nc3 (17...Bc2 18.Qe2 Bb1 19.Qb5 Kd8 20.Nf7 Qf7 21.Bg5 Kc8 22.Rb1 ba3 23.Rc1 Kb8 24.Be3-+) 18.Qf3 (18.Qe1 Nb1 19.Bf4 Qc3 20.Qb1 Bc2-+ (20...Qd4?! 21.Bg3-+; 20...Qa3?! 21.Qb3-+; 20...Qc2?! 21.Qc2 Bc2 22.ab4-+; 20...ba3 21.Qb7 Qd4 22.Qb5 Ke7 23.Nc6 Ke8 24.Qb8 Kd7 25.Qc7 Ke8 26.Qc8 Qd8 27.Qd8)) 18...Be4 (better is 18...Nb1 19.Ng6 hg6-+) 19.Qe3 Bd5?? (better is 19...Nb1 20.Qe4 ba3-+) 20.Ra1= (worse is 20.Rb4 Bb4 21.ab4 Na2-/+) 20...f6 21.Nd3 h5 22.g5 (22.Nb4? Bb4 23.g5 Bd6-+; 22.ab4 hg4 23.Nf4 Qf4 24.Qc3 Qf3 25.Qf3 Bf3-+ (25...gf3?! 26.Ra7 Rh3 27.Ra8 Kf7 28.c3+=)) 22...Bd6 23.f4 fg5 24.Ne5 (24.ab4!? gf4 25.Nf4 Bf4 26.Rf4 Qf4 27.Qf4 Ne2 28.Kf2 Nf4 29.Bf4=) 24...0-0 25.Qd3 Be4 26.Qe3 (better is 26.Qd2-/+) 26...gf4-+ 27.Qf2 Rf5 (better is 27...Be5!? 28.de5 Qe5 29.Re1-+) 28.Nf3 (28.ab4 Rg5 29.Kh2 Rg2 30.Qg2 Bg2 31.Kg2 Ne2 (worse is 31...Be5 32.de5 g5 33.Ra7-+) 32.Ra7 Qc2-+) 28...Bf3 29.Qf3 Rg5 30.Kf2 Rg3 31.Qh5 Ne4 32.Ke1 Qc3 33.Kd1 Qd4 34.Ke1 Qc3 35.Kd1 Nf2! 36.Ke2 Re3! 37.Kf2 Qc2 (37...Qc2 38.Bd2 Qd2 39.Qe2 Qe2 40.Kg1 Rg3 41.Kh1 Qg2; 37...Qa1?! 38.Qe8 Kh7 39.Qh5 Kg8 40.Qe8 Kh7 41.Qh5 Kg8=) 0–1. Meixner,Ferenc (2125) – Csiba,Dominik (2165), HUN–chT2 Breyer, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Nbd2 Bg4)

    6.Bb2 Nbd7 7.h3 Bh5 8.d5 a6 9.a3 (9.Bd3 Nc5=+) 9...ba3 10.Ra3 Nc5 11.e5 (11.Bf6!? gf6 12.Qa1=+) 11...de5-+ 12.g4 Bg6 13.Ne5 Nd5 14.Nb3 (14.Ng6 hg6 15.Qa1 Rc8-+) 14...e6 15.h4? (better 15.Ng6 hg6 16.Nd2-+) 15...Be4 (15...Ne4 16.Ra4 Qb6 17.Qd4 Bb4 18.Rb4 Qb4 19.Qb4 Nb4 20.h5 Nc2 21.Ke2 Nf2 22.Kf2-+) 16.Nc5 (16.Rh3 f6 17.Nc5 Bc5 18.Ra4 fe5 19.Re4-+) 16...Bc5 17.f3 (17.Rhh3 Nf4 18.Rhe3 Bb4 19.Bc3 Qd1 20.Kd1 Bc2 21.Kc2 Ba3 22.Rf3-+) 17...Ba3 18.Ba3 Qa5 19.c3 (19.Qd2 Qa3 20.c3 Bb1-+) 19...Qc3 20.Qd2 Qa3 21.fe4 (21.Kf2 Qc5 22.Ke1 Qc7-+) 21...Qg3 22.Kd1 Nc3 23.Kc2 Qe5 (23...Qe5 24.Qc3 Qe4 25.Bd3 Qg2 26.Kb3 Qh1 27.Qg7 0-0-0 28.Qc3 Kb8 29.Qe5 Ka8-+) 0–1. Ilic,An (1890) – Khamenya,Vitalia (1770), 7th Arber Open, 2018. (=1.e4 c5 2.b4 cb4 3.d4 Nf6 4.Nd2 d6 5.Ngf3 Bg4)

    6.Bb2 e6 7.Bd3 d5 8.Qe2 Nc6 9.e5 Nd7 10.h3 Bh5 11.0-0 Be7 12.a3 (12.Rfb1 Rc8-/+) 12...a6 (better is 12...ba3!? 13.Bc3 Qc7-+) 13.Qe3 Qc7 14.Rfc1 Rc8 15.Ne1 Qb6 16.ab4 Nb4 17.Ba3 Nc6 18.Be7 Ne7 (worse is 18...Ke7 19.Qg5 Kf8 20.Qh5 Qd4 21.Nef3+/-) 19.c4 Bg6 20.Bg6 hg6 21.c5 Qd8 22.Nef3 Rc7 23.Nf1 Nf5 24.Qd3 Nb8 25.Rcb1 Nc6 26.Qd2 Nh4 27.N3h2 Nf5 28.Rb6 ½–½. Ringelsiep,Jochen – Grosshans,Ralf Michael, Verbandsliga Sued Baden, 1992. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6)

    6.Bd3 Nc6 7.d5 Ne5 8.Ne5 de5 9.Qg4 Ng4 10.Bb5 Qd7 11.Bd7 Kd7 12.Rb1 e6-/+ 13.a3 ed5 14.ab4 Nf6 15.f3 Bd6 16.Ke2 Rhc8 17.Kd3 b5 18.c3 Rc6 19.Nb3 Rac8 20.Bd2 de4 21.fe4 Rc4 22.Rhe1 Ke6 23.Ra1 Rd8 24.Ra6 Ke7 25.Ra7 Kf8 26.Kc2 Bb4 27.Kb2 Be7 28.Bg5 h6 29.Bf6 gf6 30.Na5 Rcc8 31.Kb3 Rd3 32.Rc1 b4 33.Re7? Ke7 34.Kb4 f5! 35.ef5 Kf6 36.c4 e4 37.Nb3?? e3 38.Nc5 Rd2?? 39.Re1?? Re8-+ 40.Kc3 Rg2 41.Kd4 Rd2 42.Nd3 Rd8 43.Ke3 R8d3 44.Ke4 Rd4 45.Ke3 R2d3 46.Ke2 Rh3 47.Rc1 Rh2 48.Ke3 Rd7 49.c5 Rc7 50.Ke4 Rd2 51.Ke3 Rd5 52.c6 Rd6 53.Ke4 Rdc6 (53...Rdc6 54.Rh1 Rc4 55.Ke3 Kg5-+) 0–1. egomi (1630) – gligorick (1990), kurnik, 2011.

    6.Bd3 e6 7.h3 Bh5 8.Nf1 Nc6 9.g4 Bg6 10.Ng3 d5 11.e5 Ne4 12.Be3 Be7 13.h4 Qa5 14.0-0 0-0-0 15.h5 Nc3 16.Qd2 Bd3 17.Qd3 Qb5 18.Ne1 Qd3 19.Nd3 f6 20.f4 g6 21.f5 gf5 22.gf5 Rhg8 23.Kh2 Ne4 24.Rf3 Ng3 25.Rg3 fe5 26.de5 ef5 27.Rag1 Rg3 28.Rg3 Bf8 29.Rg8 d4 30.Bf4 Kd7 31.Rh8 Ke6 32.Rh7 Be7 33.Rg7 Rh8 34.h6 Bf8 35.Rg6 Kd5 36.Kg3 Nd8 37.Rf6 Ne6 38.Bd2 Be7 39.Rf5+/- Rg8 40.Kf3+- Rh8 41.Nf4 Nf4+/- 42.Bf4 a5 43.Rf7+- Ke6 44.Rg7 d3? 45.cd3 a4 46.Ke4 b3 47.ab3 a3 48.d4 a2 49.d5 Kd7 50.Rg1 Bf8 51.e6 Ke7 52.Kf5 (52.Kf5 Kd8 53.d6 Bd6 54.Bd6+-) 1–0. Udovcic,Mijo – Vidmar,Milan Jr, Opatija, 1953.

    6.h3 Bh5 7.Bc4 a6 8.0-0 e6 9.Bb2 d5 10.Bd3 Nc6 11.e5 Nd7 12.Qb1 Be7 13.a3 ba3 14.Ba3 Ba3 15.Ra3 Qb6 (better is 15...Ra7!?+=) 16.Rb3+= Qd8 17.Rb7 Na5 18.Rb2 0-0 19.c3 Bg6 20.Nh2 (better is 20.Bg6!? fg6 21.Qa1+=) 20...Bd3= 21.Qd3 Nb6 22.f4 Nbc4 23.Nc4 Nc4 (worse is 23...dc4 24.Qg3+=) 24.Rbf2 Qe7 25.f5 Qd7 26.f6 g6 27.Qg3 Rfb8 28.Qh4 Qe8 29.Qg5 Qf8 30.Ng4 a5 31.Nh6 Kh8 32.h4 a4 (better is 32...Rb3!?+=) 33.h5+= gh5 34.Qh5 (better is 34.Rf3 h4 35.Rf4+/-) 34...Ra7+= 35.Rf4 a3?? (better is 35...Ne3 36.Ra1 a3+=) 36.Rg4 Ne3 37.Rg7 Rbb7 (37...Qg7 38.fg7 Kg7 39.Qg5 Kf8 40.Qg8 Ke7 41.Rf7) 38.Nf7! Rf7 (38...Rf7 39.Qh7# Mate attack) 39.Qh7# 1–0. Garcia Cortes Loriente,MJ – Diaz Calles,F, Valladolid CC Autumn, 1992. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6)

    5.Nbd2 g6

    6.a3 ba3 7.Ra3 Bg7 8.Bb2 0-0 9.Qa1 a6 10.Bc4 d5 11.ed5 Nd5 12.0-0 Bf5 13.Bd5 Qd5 14.c4 Qd8 15.h3 Bc8 (15...Bh6 16.d5+=) 16.d5= Bb2 17.Qb2 Nd7 18.Ne4 Qc7 19.c5 Qf4 (19...Nc5?? 20.d6 Qd6 21.Nd6 ed6 22.Qb6+-) 20.Re1 a5 21.Qc3 Qf5 22.Qd2 Nf6 23.Nf6 Qf6 24.Qh6 Rd8= 25.Ng5 Qg7 26.Qg7 Kg7 27.Re7 Rd5 28.Nf7 Rd7 29.Rd7 Bd7 30.Ne5 Be6 31.f4 a4 32.Kf2 Kf6 33.Ke3 Bb3 34.Nd7 Ke7 35.Nb6 Ra5 36.Kd4 Kd8 37.g4 Kc7 38.f5 gf5-/+ 39.gf5 Kc6 Attacks the isolani on c5 40.f6 Rc5 41.Na4 Ba4 42.Ra4 Rf5 43.Rc4 Kd7 44.Rc1 Rf6 45.Rb1 Kc7 46.Rc1 Rc6 47.Rg1 h6 48.h4 Ra6 49.Kc5 Ra4 50.Rh1 h5 51.Kb5 Rf4 52.Rc1 Kd6 53.Rh1 Ke5 54.Kb6 Kf5 55.Kb7 Rc4 56.Kb6 Kg4 57.Kb5 Rc2?? 58.Kb4-/+ Kg3 59.Kb3 Rc7 60.Rd1 Kh4-+ 61.Rd4 Kg3 62.Rd3 Kf4 63.Rd4 Ke3 64.Rd8 Rh7 65.Kc2 h4 66.Kd1 h3 67.Re8 Kf4 68.Rf8 Ke3 (68...Ke3 69.Re8 Kd3 70.Rd8 Kc4 71.Rc8 Kd5 72.Rd8 Kc6 73.Rc8 Kd7-+) 0–1. Antoshik,Alois – Vavruska,David, CZE–ch, 1988. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 g6)

    6.a3 ba3 7.Ba3 Bg7 8.Bd3 0-0 9.0-0 Nh5 10.Re1 Nc6 11.c3 Rb8 12.Qa4 (12.Bc1 Nf4 13.Bc2 Qc7=) 12...a6 13.Nb3?? (better is 13.Qc2+=) 13…b5-+ (13...b5 14.Na5 ba4 15.Nc6 Qc7 16.Nb8 Qb8-+) 0–1. Perez Perez,Francisco Jose (2260) – Leyva,Hector (2300), Guines, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 g6)

    6.a3 ba3=+ 7.e5 de5 8.de5 Nd5 9.Ra3 Nc6 10.Bc4 Nf4 11.0-0=+ Ne6 12.h4 Bg7-/+ 13.Re1 h5 14.Bb2 0-0 15.Rd3 Qb6 16.Qc1 Nc5 17.Ra3 Be6 18.Bf1 Rfd8 19.Nc4 Qc7 20.Ng5 b5-+ 21.Nd2 b4 22.Rae3 Bh6 23.c3-/+ Bg5 24.hg5 Rac8 25.cb4 Nb4-+ 26.Ba3 Nbd3 27.Bd3 Nd3 28.Qc7 Rc7 29.Rf1 Ne5! 30.Re5 Rd2 31.Rb1 Rd8 32.Kh2 Kf8 33.Rbb5 a6 34.Rb6 Bc4 35.f4 Bd3 36.Bb2 Ke8 37.Re3 a5 38.Ba3 a4 39.Bd6 Rcd7 40.Bb4 Bc2 41.Ra6 Rb7 42.Bc5 Rc8 43.Ra5 e6 44.Bd4 Kd7 45.Be5 Rc4 46.Re2 Kc6 47.Rd2 Kb6 48.Ra8 Kb5 49.Rd6 Kb4 50.Rda6 Kb3 51.Ra5 Be4 52.R8a6 Bc6 53.Kh3 Rc2 54.g4 Bb5 55.gh5 Ba6 56.Ra6 gh5 57.g6 fg6 58.Re6 a3 59.Rg6 Rc1 60.Ra6 a2 61.Kh4 Rb5 62.Bf6 Rh1 63.Kg3 Rg1 64.Kf3 Rg6. Shirazi,Kamran G (2435) – Guidarelli,L (2385), GM, Evry FRA, 2003.

    6.Rb1= a5 7.a3 ba3=+ 8.Ba3 Bg7 9.Bb5 Bd7 10.0-0 0-0 11.Re1 Nc6 12.c4 Ne8 13.d5= Ne5 14.Ne5 Be5 15.Nf3 Bg7 16.e5 de5 17.Ne5 Bb5 18.Rb5 Nd6 19.Rb1 Qc7 20.Qe2 Rac8 21.Rbc1 Rfd8 22.c5 Nf5 23.d6 Qb8? 24.Nf7!+- Rf8 25.d7 Rf7+/- 26.dc8Q Qc8 27.Bb2 Nd4 28.Qc4 Qg4 29.Bd4 Bd4 30.Re2 Kf8 31.Ra2 Qf4 32.Qf1+/- a4 33.g3 Qg5 34.Rac2 a3 35.Rd1 Bc5 36.Qg2 Qf5-/+ 37.Re2 b6 38.Qd5? Bf2-+ 39.Kg2 Qf6?? 40.Rf1+- Qd4 41.Qa8 (41.Qa8 Kg7 42.Ref2 Rf2 43.Rf2+-) 1–0. Meixner,F (2085) – Hitter,G (2070), 26th Budapest Spring Festival, Budapest, 2010.

    6.Rb1 a5 7.a3 ba3 8.Ba3 Bg7 9.Bb5 Nbd7 10.0-0 0-0 11.Re1 Nb6 12.c4 Bg4 13.h3 Bf3 14.Nf3 Rc8 15.e5 de5 16.Ne5 Nfd7?? 17.Nd7+- Nd7 18.Be7 Qc7 19.Bf8 Rf8?? 20.Re7 Rd8 21.Qa4 Nb6 22.Rc7 Na4 23.Ba4 Rd4 24.Rbb7 Be5 25.Re7 f6 26.Rg7 Kf8 27.Rbf7 1–0. egomi (1735) – axeik (1625), kurnik, 2011.

    6.Rb1 a5 7.Bc4 Bg7 (7...Bh6 8.h3-/+) 8.0-0 (8.Qe2 d5 9.Bb3 Ne4 10.Ba4 Nd7 11.Ne4 de4 12.Qe4 0-0-/+) 8...0-0 (8...d5 9.ed5 Nd5 10.Bd5 Qd5 11.a3-/+) 9.Re1 (9.a3 d5 10.Bd5 Nd5 11.ed5 Qd5-/+) 9...h6 (better is 9...d5!? 10.Bd3 de4 11.Ne4 Nd5-/+) 10.a3 ba3 11.Ba3 White has a very active position. Black has a new passed pawn: a5 11...Re8 (11...Ne8 12.Re3+=) 12.c3 (12.e5!? Nh7 13.ed6 ed6 14.Re8 Qe8 15.Bd6+=) 12...Nc6 13.Qb3 e6 Prevents intrusion on d5 14.Bb5 d5 15.Ne5 White threatens to win material: Ne5xc6 (15.e5 Nh5=) 15...Bd7 (15...Qc7 16.Qa4+=) 16.Bc6 (16.Nd7!? should be considered 16...Qd7 17.e5=) 16...Bc6 17.Qb6 (better is 17.Nc6 would keep White alive 17...bc6 18.e5+=) 17...Qb6-/+ 18.Rb6 Ne4 19.Ne4 (19.Nc6!? bc6 20.Ne4 de4 21.Rc6-/+ (21.Re4? Rab8 22.Rb8 Rb8-+)) 19...Be5-+ 20.Nc5 (20.de5 de4 21.c4-+) 20...Bc7 21.Rbb1 Rab8 22.Re2 Bd6 23.Nd7 Ba3 24.Nb8 Rb8 25.Ra2 Bd6 26.Ra5 Kf8 27.g3 Ke7 28.Kg2 e5 29.de5 Be5-+ 30.Rc5? Kd6 31.Ra5 Bc3 32.Ra3 d4 33.f3 Re8 34.Rd1 Re3 35.Kf2 Be1! Discovered attack: c3, e3–a3 (35...Be1 36.Re1 Ra3-+) 0–1. Lee,Dylan – Stojic,Dusan, AUS–ch U18 Sydney, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 g6)

    6.Rb1 Bg7 7.Rb4 Nc6 8.Rb3 0-0 9.Bd3 Bg4 10.h3 Bf3 11.Nf3 b6 12.0-0 Na5 13.Rb1 Rc8 14.Re1 d5 15.e5 Ne4 16.Be4 de4 17.Re4 Qd5 18.Re2 Qa2 19.Bg5 e6 20.c3 Qd5 21.Qd3 h6 22.Be7 Rfe8 23.Bd6 Nc4 24.Bb4 a5 25.Bd6 Nd6 26.ed6 Qd6 27.Ne5 Red8 28.Nc4 Qc6 29.Nb6 Qc3 30.Qe4 Rb8 31.Reb2 Qd4 32.Qd4 Bd4 33.Rb5 Bb6 34.Rb6 Rb6 35.Rb6 Rd5 36.Ra6 Kg7 37.Kf1 g5 38.Ke2 Kf6 0–1. egomi – thymallus32 (1860), kurnik, 2011.

    6.Bb5 Bd7 7.Bc4 d5 8.ed5= Bg7 9.0-0 0-0 10.a3 b5 11.Bb3 a5 12.ab4 a4 13.Ba2 Na6 14.Ba3 Nc7 15.Ne5 Ncd5 16.Qf3 Be6 17.Rfe1 Rc8 18.c4= bc4 19.Ndc4 Nd7 20.Rac1 Be5 21.Ne5 Rc1 22.Rc1 Ne5 23.de5 Nc7 ½–½. Muehlberg,Siegfried – Pietzsch,Wolfgang, DDR–ch, 1962.

    6.Bc4 d5=+ 7.ed5 Bg7 8.0-0 0-0 9.Qe2 Nd5-/+ 10.Ne4 Nc6 11.Bb2 Na5 12.Bd5 Qd5 13.Ne5 Bf5 14.Ng3 Be6 15.Rfe1 Rac8 16.Nf1 Nc4 17.Nc4 Qc4 18.Qd2 Rfd8 19.Ne3 Qb5 20.c3 bc3 21.Bc3 Qa4 22.Qb2 b6 23.Red1 Rd7 24.h3 Rcd8 25.d5 Bc3 26.Qc3 Bd5 27.Ng4 f6 28.Qe3 h5 29.Rd5? Rd5 30.Qh6 Rg5 31.Re1 Rd1 32.Rd1 Qd1 33.Kh2 hg4 34.h4 g3! 35.fg3 Qh5 (35...Qh5 36.Qh5 Rh5-+) 0–1. Vasconcellos,Fernando – Bolbochan,Julio, Mar del Plata zt, 1951.

    6.Bc4 Bg7 7.0-0 d5 8.ed5 Nd5 9.Ne5 0-0 10.Qf3 Be6 11.Bb2 Nc6 12.Nb3 Rc8 13.Nc6 Rc6 (13...bc6?! 14.Nc5+=) 14.Bd3 Nc3 15.Bc3 Bd5 16.Be4 Rc3 17.Qe2 a5 18.Bd5 Qd5 19.Rad1 a4 20.Nc5 Qa2 21.Qe7 Qc2 22.Qb7 Rc4 23.Qd5 b3 24.Rd2 Qd2 25.Qc4 Qd4 26.Qa4 Qa4 27.Na4 Bd4 28.Rb1 b2! 29.g3 (29.Nb2 Rb8 Decoy) 29...Ra8 30.Nb2 Rb8 31.Rd1 Bb2 (31...Rb2?! 32.Rd4 Kg7 33.Kg2=) 32.Rd2 Kg7 33.Kg2 Bf6 34.Rc2 Rb2 35.Rc4 Rd2 36.Kf1 Bd4 (better is 36...h6!? 37.h3-+) 37.Ke1 Rf2 38.Rd4 Rh2 39.Rd3 h5 0–1. Dalinger,Humberto – Seminara,Juan Pablo, Acasusso Valle op, 1991. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 g6)

    6.Bd3 Bg7 7.0-0 0-0 8.Bb2 Bg4 9.h3 Bf3 10.Nf3 Nbd7 11.a3 ba3 12.Ba3 Nh5 13.c3 Rc8 14.Qb3 Qb6 15.Qc2 a6 16.Rfb1 Qc6 17.c4 Nf4 18.d5 Qc7 19.Bb2 Bb2 20.Rb2 Nd3 21.Qd3 Nc5 22.Qe3 Qd7 23.g4 Kg7 24.e5 h5 25.Nh2 hg4 26.Ng4 Rh8 27.Kg2 Rh4 28.e6? fe6-+ 29.de6 Qc6 30.f3 Rf8 31.Rf2 Kh7?? 32.Qg5+- Rg4 33.hg4 Ne6?? 34.Qe7 Kg8 35.Qe6 Rf7 36.Qg6 Kf8 37.Rh1 (37.Rh1 Ke7 38.Re2 Kd8 39.Qf7+-) 1–0. Hagen,T (1715) – Jonsson,Ol (1895), Politiken Cup, Helsingor DEN, 2009.

    5.Bd3 Nc6

    6.0-0 e5 7.d5 Nb8 8.Bd2 Be7 (8...Na6 9.a3 Nc5 10.Qe2=) 9.Bb4+= 0-0 10.Nbd2 (10.Nc3 Na6 11.Ba6 ba6 12.Ne5 de5+=) 10...Na6 11.a3 (11.Ba3 Qc7=) 11...g6 12.Nc4 Nh5 13.Re1 Nf4 14.Bf1 Nb4 15.ab4 f5 16.Nfd2 fe4 17.Ne4 Bf5 18.Ncd2 (18.g3 Nh5+=) 18...Qb6 (18...Qc7 19.c4 a5 20.g3=) 19.Rb1 (19.Nc4 Qd8= (worse is 19...Qb4 20.Rb1 Qa4 21.Rb7+-)) 19...Qc7 (19...Rac8 20.Nc4 Rc4 21.Bc4 Be4 22.Re4=) 20.c4= Rad8 (20...b6 21.g3 Nh5 22.c5+=) 21.Qb3 Kh8 (21...Rf7 22.g3 Nh5 23.Ra1+=) 22.Rec1 b6 23.Qa4 (23.g3 Nh3 24.Bh3 Bh3+=) 23...Qb7 (23...Kg8 24.g3 Nh3 25.Bh3 Bh3 26.Ra1+=) 24.Ra1+= Rd7 25.Qc6 Qb8 26.Qb5 Rb7 27.Qa6 Rd8 (27...Rd7 28.Qa2+=) 28.Ra2 Rc7 29.Rca1 Rdd7 30.Qb5 (30.g3 Nh3 31.Bh3 Bh3+/-) 30...Qf8 (30...Rd8 31.g3 Nh3 32.Bh3 Bh3 33.Qa4+=) 31.Ra6+= h5 32.Qa4 (32.h4 Kg8+=) 32...h4= 33.Qb3 g5 (33...Qh6 34.g3 hg3 35.fg3= (worse is 35.hg3 Bg5 36.gf4 Bf4+=)) 34.R1a3 (34.g3 Ng6+/-) 34...g4 (34...b5 35.Rc6 bc4 36.Bc4 Rc6 37.dc6=) 35.Qa2+= Qb8 (35...Kg7+=) 36.Qa1 (36.Nc3+/-) 36...Bf8? (better is 36...Kg8=) 37.c5+- Qe8 (37...Ng6 38.cd6 Rc8 39.Ra7 Ra7 40.Ra7 Bg7+-) 38.c6 (better is 38.Nf6!? Qf7 39.Nd7 Rd7 40.c6+-) 38...Rg7+/- 39.Ra7 Nd5 40.b5 Qg6 41.Rc7 (better is 41.Ra8!? Rg8 42.Nc3+/-) 41...Nc7= 42.Qe1 (better is 42.Ra8!? Na8 43.Qa8=) 42...d5-/+ 43.Ra4 de4 44.Ne4 Ne6 (44...h3 45.Ng3 Bc2 46.Ra2-/+) 45.Nc3 Nd4 46.Kh1 Bd6 (46...Qd6 47.Ra8-/+) 47.Nd5? (better is 47.f4 Qh6 48.fe5+=) 47...Be4?? (47...h3-/+) 48.Nf4?? (better is 48.Ra8 Rg8 49.Rg8 Kg8 50.Qe4 Qe4 51.Nf6 Kf7 52.Ne4+-) 48...Qf5-+ (48...ef4?! 49.Rd4 Bf5 50.Qd2-+) 49.Ra8? (49.Ne6 Bg2! 50.Bg2 Ne6 51.Ra8 Rg8 52.Ra4-+) 49...Kh7 50.Nh5 (50.f3 Nf3 (50...ef4?! 51.Qh4 Kg6 52.fe4-/+; 50...Qf4?! 51.Qe4 Qe4 52.fe4-+) 51.Qe4 Qe4-+) 50...Rf7 (50...Qh5?! 51.Qe4 Qg6 52.Qe3-+) 51.Bc4 (51.Rd8 Bc7 52.Rd7-+) 51...h3 52.Qe3 Bg2 53.Kg1 Qb1 0–1. Elishev,Ivan (2190) – Alikulov,Elbek (2230), Moscow RUS, City Team Ch, 2014. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.0-0 Bg4 7.Bb2 e5 8.d5 Nb8 9.a3 ba3 10.Na3 Nbd7 11.Nc4 Nc5 12.Qe2 Be7 13.Qe3 0-0 14.Nfd2 Nh5 15.g3 (15.h3 Bc8-/+) 15...Bh3 16.f4? (better is 16.Rfb1!? b5 17.Be2-/+) 16...Bf1 17.Bf1 ef4 18.gf4 f5 19.e5 de5 20.fe5 Qd5 21.Nd6 f4 (21...Bd6?! 22.Bc4 Qc4 23.Nc4=) 22.Qf2 Kh8 (22...Bd6?! 23.Bc4 Qc4 24.Nc4=) 23.Ra3?? (better is 23.Bc4 Qc6 24.Nf7 Rf7 25.Bf7-+) 23...Bd6 24.Rh3 (24.Bg2 Qe6 25.ed6 Qd6 26.Ra5-+) 24...Na4 25.Rh5 (25.Bc4 A) 25...Nb2?! 26.Bd5 Bc7 27.c4= (27.Rh5? Bb6-+; worse is 27.Bb7 Bb6 28.Ba8 Ra8 29.Qb6 ab6 30.Rh5 g6-/+); B) 25...Qc6 26.ed6 Nb2 27.Rh5 Qd6-+) 25...Nb2 (25...Bc5 26.Bd3 Bf2 27.Kf2 Nb2 28.Rh7 Kg8 29.Rh3-+) 26.Nf3 (26.Bg2 Qf7 27.Rh7 Kh7 28.Be4 Kg8 29.ed6 Qh5-+) 26...Bc7 (better is 26...Bc5 27.Be2 Nd1 28.Qc5 Qc5 29.Kh1 Nf2 30.Kg2 g6 31.Rh7 Kh7 32.Ng5 Kh6-+) 27.c4 (27.Kh1 Qd1-+) 27...Nc4 28.Rh7 (28.Bc4 Qc4 29.Kg2 Bb6-+) 28...Kh7 29.Qc2 g6 (29...Kh8 30.Qc4 Qf3 31.Bg2 Bb6 32.Kh1-+) 30.Bc4 (30.Qc4 Qc4 31.Bc4 a5-+) 30...Bb6 (30...Bb6 31.Kg2 Qc6-+) 0–1. Lee,Dan – Kreckler,Warren, USA op Chicago, 1973. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.0-0 Bg4 7.Be3 e5 8.d5 Nb8 9.a3 ba3 10.Na3 Be7 11.Nc4 Nbd7 12.Na5 Qc7 13.Qe2 0-0 14.Rfb1 Rfb8 15.h3 Bf3 16.Qf3 Nc5 17.Bc5 dc5 (worse is 17...Qc5 18.Rb7 (worse is 18.Nb7 Qc7 19.Ba6 Qc2=) 18...Rb7 19.Nb7+=) 18.c4 Ne8 19.Qg3 g6 20.Rf1 Bf6 21.Ra2 Qe7 22.Rb1 Qc7 23.Qe3 Nd6 24.Qd2 Bd8 25.Qc3 Qe7 26.Rab2 Bb6 27.Nb3 Rf8 28.Nd2 Rae8 29.Rf1 Qc7 30.Ra2 f5 31.f3 Qe7 32.Re1 f4 33.Nb1 g5 34.Na3 h5 35.Be2 Rf6 36.Rb2 Qd8 37.Reb1 Ba5 38.Qc2 b6 39.Nb5 Nc8 40.Qd3 a6 41.Na3 Bb4 42.Nc2 a5 43.Bd1 Qc7 44.Na3 Re7 45.Nb5 Qd8 46.Be2 Rd7 47.Rd1 Nd6 48.Nd6 Rfd6 49.Qb3 Kf7 50.Ra2 Rg6 51.Qb2 Qf6 52.Qb3 Ke7 53.Qd3 Kd6 54.Qb3 Rg8 55.Rc2 Rh8 56.Qa4 Kc7 57.Qb3 Rd6 58.Rb1 Qe7 59.Qa4 Ra8 60.Ra2 Qd7 61.Qd7 Rd7 62.Ra4 Bc3 63.Kf1 Bd4 64.Bd1 Rd6 65.Rb3 Rdd8 ½–½. Eilers,Jochen (1955) – Funke,Reinhard (2090), Muensterland Verbandsliga, 2005. (=1.e4 c5 2.b4 cb4 3.d4 Nf6 4.Bd3 Nc6 5.Nf3 d6)

    6.0-0 Bg4 7.Be3 e6 8.a3 ba3 9.h3 Bh5 10.c4 Be7 11.d5 Ne5 12.g4 Nd3 13.Qd3 Bg6 14.Nbd2 ed5 15.cd5 0-0 16.Ra3 a6 17.Rb1 Qd7 18.Nh2 h5 19.f3 b5 20.Rba1 Qb7 21.f4 hg4 22.hg4 b4 (better is 22...Nd7!?-/+) 23.Ra6= Ra6 24.Ra6 Nd5 (24...Ra8 25.Rb6 Qc8+/-) 25.Ra7+/- Nf4 26.Rb7 Nd3 27.Re7 Rb8 28.Ba7 Rb5 29.Nhf3 b3 30.Be3 (better is 30.Nd4!? Rg5 31.N4b3+/-) 30...Kf8= 31.Nd4 Ke7 32.Nb5 b2 33.Nc3 Ke6 34.Kf1 f6 35.Ke2 (better is 35.Nc4!?+=) 35...Ne5+= 36.g5 Bh5 37.Kf1 fg5 38.Ncb1 Nf3 (38...d5 39.ed5 Kd5 40.Nc3 Kc6 41.Bd4-/+) 39.Kf2 Nd2 40.Nd2 Bg6 41.Bd4 Be4 42.Bb2 d5 43.Bd4 g6 44.Nf1 g4 45.Ne3 Bf3 46.Kg3 g5 47.Ng4 Bg4 48.Kg4 ½–½. Adamski,Andrzej (2220) – Matuszewski,Michal (2185), XXXXV YMCA Winter, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.a3 a6 7.d5= Ne5 8.Ne5 de5 9.ab4 e6 10.de6 Bb4 11.c3 Bc5 12.ef7 Kf7 13.0-0 Qb6 14.Na3 Be6 15.Qe2 Rhf8 16.Rb1 Qc7 17.Kh1 Kg8 18.f4 b5 19.Nc2 Bd6 20.f5 Bf7 21.g4 (21.Bg5 Be7+=) 21...Qc3 22.Ne3 Qc6 23.Ng2? (better is 23.g5!? Nd7 24.f6-/+) 23...Bc4-+ 24.g5 (24.Re1 Bd3 25.Qd3 Ng4-+) 24...Ne4! 25.Qe4 (25.Be4 Be2 Pinning (25...Be2 Deflection; 25...Be2 Overloading); 25.Qe4 Bd3 Double attack (25...Bd3 Decoy)) 25...Qe4 26.Be4 Bf1 27.Ba8 Ra8 28.Ne3 (28.Bb2 Bc4-+) 28...Bd3 29.Ra1 (29.Rb3 e4-+) 29...Bc5 30.h4 Bd4 (30...a5 31.Kg2-+) 31.Ra3 Be4 32.Kh2 b4 33.Ra5 (33.Rb3 a5 34.Bd2 Rf8-+) 33...b3 (33...Rc8!? 34.Ra4-+) 34.Ng4 White prepares the advance f6 34...b2 (better is 34...Rc8 35.Ba3 Rc2 36.Kg3 Rg2 37.Kh3-+) 35.Bb2 Bb2 36.f6 Bf3 (better is 36...Bb7!? 37.Ne5 gf6 38.gf6-+) 37.Ne5 Be5 38.Re5 gf6 39.gf6 Kf7 40.Re7 Kf6 41.Rh7 a5 42.Kg3 Be4 43.Rh5 (43.Rd7 a4-+) 43...a4 (43...a4 44.Rc5 a3-+) 0–1. Banos,Polihronis (1605) – Roussos,Leandros (1930), Ikaros op Athens, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.a3 d5!? 7.e5 Ne4 +=.

    6.a3 e6 7.0-0 Be7 8.ab4 Nb4 9.Ba3 Nd3 10.Qd3 0-0 11.Nbd2 b6 12.e5 de5 13.Be7 Qe7 0–1. Lund,Jens Dahlen (2150) – Kubasky,Alojz (2185), SH–2007–0-00155, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.Bb2 d5 7.Nbd2 de4 8.Ne4 e6 9.Nf6 Qf6 10.Rb1 Qd8 11.0-0 Qa5 12.Bc4 Be7 13.Re1 0-0 14.Ne5 Ne5 15.Re5 Qc7 16.Qd3 Bf6 17.Rc5 Qd6 18.Re1 Rd8 19.Rh5 (19.Rd1!?-/+) 19...g6-+ 20.Qf3 Qe7 (20...Bd4 21.Rh7 Qe7 22.Bd4 Rd4 23.Qh3-/+) 21.Rhe5 (21.Rd5!?-/+) 21...Be5-+ 22.de5 Bd7 23.Bc1 (23.Qb7 Qc5 24.Bd3-+) 23...Bc6 24.Qg3 Qc5 25.Bd3 Qc3 26.Rd1 (26.f3 Bd5-+) 26...Rd5 (26...Ba4 27.Rf1 Bc2 28.Bc2 Qc2 29.Bh6-+) 27.Bf4 Bb5 28.h4 Bd3 29.cd3 Rad8 30.Qg5 Rd3 31.Rd3 (31.Qd8 Rd8 32.Rd8 Kg7-+) 31...Rd3 (31...Qd3 32.Qf6 g5 33.Qg5 Kf8 34.Qf6=) 32.Qe7 (32.Kh2 Qb2 33.f3 Rd1-+ (33...Qa2?! 34.Qe7 Rd2 35.Kh3 Rg2 36.Qd8 Kg7 37.Qf6 Kf8 38.Qd8 Kg7 39.Qf6 Kg8 40.Qd8 Kg7=)) 32...Qe1 33.Kh2 Qf2 34.Qg5 Rd1 35.Be3 Qf5 (better is 35...Qa2 36.Qf6 Qa1 37.h5 Rh1 38.Kg3 Qe1 39.Qf2 Qf2 40.Kf2-+) 36.Qh6 (36.Qf5 gf5 37.Ba7-+) 36...Qe5 37.Bf4 Qh5 38.g4 (38.Qh5 gh5 39.Bb8-+) 38...Qg4 39.Be5 Qg1 40.Kh3 Rd3 0–1. Rajamaki,Keijo – Taivainen,Jukka (2270), Kankaanpa op, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.Bb2 e5 7.de5= Ne5 8.Be5 (8.Ne5 de5 9.Be5 Bc5+=) 8...de5+= 9.Ne5 Bd6 10.Nf3 Qe7 11.0-0 0-0 12.e5 (12.Nbd2 Bf4+=) 12...Be5-/+ 13.Re1 Nd7 (better is 13...Bg4!? 14.Nbd2 Rfe8-/+) 14.Ne5= Ne5 15.f4?? (better is 15.Bh7 Kh7 16.Qh5 Kg8 17.Re5+=) 15...Qc5-+ 16.Kh1 Nd3 (16...Ng4!? 17.Re2 Nf2 18.Rf2 Qf2 19.Qd2-+) 17.Qd3 (17.cd3 Bf5-+) 17...Qf2 (17...Bf5!? 18.Qe2-+) 18.Nd2 Qf4 19.Rf1 (19.Re4!? Qf6 20.Rf1 Qc3 21.Qc3 bc3-+) 19...Qc7-+ 20.Rae1 (20.Ne4 Rd8 21.Qb3 Be6 22.Qb4 Qc2-+) 20...b6 (better is 20...Be6 21.Qe4 a5-+) 21.Nc4? (better is 21.Ne4 h6 22.c3 bc3 23.Nc3-+) 21...Ba6 22.Rf4 (22.Re4 Rac8 23.Rh4 h6-+) 22...Rad8 (22...Qf4 23.Qe4 Qe4 (23...Bc4?! 24.Qf4 b5 25.Kg1-+) 24.Re4 Rae8-+) 23.Qf1 (23.Qe4 Bb7 24.Qe3 Bd5-+) 23...Bc4 (better is 23...Rfe8 24.Re8 Re8-+) 24.Rc4 Qd6 25.h3 a5 26.Rf4 Qd5 27.Qc4 Qc4 28.Rc4 Rd2 (28...Rc8 29.Ree4-+) 29.Rc6 g6 30.Rc1 (30.Kh2-+) 30...Re8 31.Rb6 Ree2 32.Rg1 (32.Rb5-+) 32...Rc2 33.Ra6 (33.a3 ba3 34.Rb5 a2 35.Ra5 h5-+) 33...Ra2 34.Kh2 b3 35.Kg3 (35.Rb6 a4 36.Kg3 Rac2-+) 35...b2 36.Rb6 Ra3 (better is 36...Ra1 37.Kh2 Rg1 38.Rb8 Kg7 39.Kg1-+) 37.Kh4 (37.Kh2 Rd3 38.Rb1-+) 37...Re4 38.g4 Rb4 (better is 38...h6 39.Rb5 Ree3-+) 39.Rb4 ab4 40.Rb1 Rb3 41.Kg5 Kg7 42.Kf4 h6 43.h4 g5! 44.Ke4 (44.hg5 hg5 Combination) 44...gh4 45.Kd4 h3 46.Kc4 Rc3 47.Kb4 Rc1 (47...Rc1 48.Rb2 Rf1-+) 0–1. Lazu,Robert – Ayers,Robert W, Dos Hermanas Internet qual–A, 2009. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 Nc6)

    6.Bb2 e6 7.Nbd2 Bd7 8.0-0 Rc8 9.Re1 Be7 10.h3 0-0 11.g4 (11.a3 a5+=) 11...Na5 12.Qe2 b5 13.Nh2 (better is 13.a3!? d5 14.e5+=) 13...Nc4!-+ 14.Bc1 (14.Nc4 bc4 Combination; 14.Bc4 bc4 Decoy) 14...Qb6 15.g5 Ne8 16.Ndf3 (16.Nhf3 Qc7-/+) 16...e5-+ 17.d5 (17.a4 ba3 (17...ed4?! 18.ab5 Ne5 19.Bd2-/+) 18.de5 Bh3 19.ed6 Ned6-+) 17...Bh3 18.Nh4 (18.Rb1 Qa5-+) 18...Qd8 19.Qh5 g6 20.Qh6 Ng7 (20...Bd7 21.a3 b3 22.cb3-+) 21.Nf5? (better is 21.a3 ba3 22.N4f3-+) 21...Nf5 22.Qh3 Nd4 23.Qh6 (23.Qg2 Na3 24.Ba3 ba3-+) 23...f6 24.Kg2 fg5 25.Rh1 Rf7 26.Ng4 Qf8 27.Bg5 Bg5 28.Qg5 Nf3 (better is 28...Rf4!?-+) 29.Nh6-/+ Kg7 30.Nf5 Kh8 31.Qg6 Nd4 32.Rh5?? (better is 32.Nd4 Rg7 33.Rh7 Rh7 34.Nf5-/+) 32...Nf5 33.ef5 Rg7 34.Rah1 Rg6 (better is 34...Rcc7!? 35.Rh7 Rh7 36.f6-+) 35.fg6 Rc7?? (better is 35...Qf6 36.Rh7 Kg8-+) 36.Rg5?? (better is 36.Bf5 Kg8 37.Be6 Kg7 38.Rh7 Kg6 39.Rc7=) 36...Nd2 (36...e4 37.Be2-+) 37.Rf5 (37.Bf5 Ne4! 38.Rgh5 Nf6-+) 37...Qg8 38.Rhh5 (38.Rh6 Rg7 39.Rfh5 Qd5 40.Kh2 Nf3 41.Kg3 Ne1 42.Rh7 Rh7 43.Rh7 Kg8-+) 38...e4 39.Be2 Rg7 40.Kh2 (40.Kg3 Rg6 41.Kf4 Qg7-+) 40...Rg6 41.Rh7 (41.Rh4 Nf3! 42.Rf3 Rg2 43.Kh3 ef3 44.Bf3 Rf2 45.Bg4 Qd5 46.Rh7 Kh7 47.Kh4 Qe4 48.Kh5 Qh1 49.Bh3 Qh3 50.Kg5 Rf5) 41...Qh7 (41...Qh7 42.Rh5 Rh6 43.Rh6 Qh6 44.Kg3 Qg5 45.Kh3 Qd5-+) 0–1. Clough,Fred – Levens,David G, BCF–ch Bath, 1963. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.Bb2 Bg4 7.d5 Nb8 8.0-0 Nbd7 9.a3 ba3 10.Na3 a6 11.Nc4 g6 12.h3 Bf3 13.Qf3 (worse is 13.gf3 Bg7-/+) 13...Bg7 14.Qe3 0-0 15.Bd4 Ne5 16.Ne5 de5 17.Bb6 Qc8 18.c4 Nd7 19.Rab1 f5 20.f3 f4 21.Qf2 Rf6 22.c5 Nb6 23.cb6 Qc3 24.Qc2 Qc2 25.Bc2 a5 26.Rfc1 Ra6 27.Bb3 Rd6 28.Rc8 Kf7 29.Bc4 Rab6 30.Rb6 Rb6 31.d6 e6 32.d7 Rb1 33.Kh2 Bf6 34.d8Q Bd8 35.Rd8 b5 36.Rd7 Ke8 (36...Kf6 37.Rb7 a4 38.Rb5 Rb5 39.Bb5 a3+=) 37.Be6 b4 38.Rh7 b3? (better is 38...Ra1+-) 39.Rb7 a4 (39...b2+-) 40.Bd7 Kd8 41.Ba4 b2 42.Bc2 Rc1 43.Rb2 Kc7 44.Bb3 Kd6 45.Rd2 Ke7 46.Rc2 (46.Rd5!? Kf6+-) 46...Rb1 47.Bd5 g5 (47...Rb6 48.Rc7 Kd8 49.Rg7+-) 48.Rc6 1–0. Deleau,Denis (1870) – Gomez,Gerard (1830), Provence–ch access Vitrolles, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.c4 bc3 7.Nc3 Bg4 8.Be2 (8.d5 Bf3 9.Qf3 Ne5 10.Bb5 Nfd7=) 8...e6 9.0-0 Be7 (9...d5 10.ed5 Nd5 11.Nd5 Qd5 12.Rb1-/+) 10.Re1 (10.d5 Bf3 11.Bf3 Ne5+=) 10...0-0 11.Ba3 (11.d5 Bf3 12.Bf3 Ne5+=) 11...Qa5-/+ 12.Bd6?? (better is 12.Bb2-/+) 12...Bd6-+ (12...Qc3?! 13.Rc1 Qb2 14.Rc6 Bd6 15.Rc2-+) 13.e5 (13.d5 ed5 (worse is 13...Qc3 14.dc6 Bf3 15.Bf3-+) 14.ed5 Ne7-+) 13...Bb4 (worse is 13...Qc3 14.ef6 gf6 15.d5 ed5 16.Qd5-+) 14.ef6 Bc3 15.fg7 Kg7 16.Rc1 Bf3 17.Bf3 Be1 18.Rc5 (18.Qe1 Qe1 19.Re1 Nd4 20.Bb7-+) 18...Qd2 19.Qd2 Bd2 20.d5 (20.Rc2 Bg5 21.Bc6 bc6-+) 20...ed5 (better is 20...Nd4 21.h4 Rfc8 22.Rc8 Rc8 23.de6 Rc1 24.Kh2 Nf3 25.gf3 fe6 26.Kg3-+) 21.Rd5 Rad8 0–1. Bayramov,Orkhan – Swinkels,Maurice (1885), Enschede op–B U16, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.c4 Bg4 7.Be3 e6 +=.

    6.d5 Nb8 7.0-0 g6 8.Qe1 Bg7 9.Qb4 (9.Bb2 a5=) 9...0-0?? (better is 9...Nd5 10.ed5 Ba1-/+) 10.Bb2 Nbd7 11.a4 Nc5 12.a5 Bd7 13.Nbd2 Rc8 14.Bd4 Nh5 15.Bg7 Kg7 16.Rfe1 Nf4 17.Bf1 Kg8 18.g3 Nh3 19.Kg2 e5 20.de6 Ne6 (20...Be6 21.Nd4 Qg5 22.Rad1+=) 21.Nc4 (21.Qb7!? Rc7 22.Qb2+/-) 21...Qf6 22.Ra3 (worse is 22.Nd6 Rc2 23.Ra3 Rf2 24.Kh1 Neg5+= (worse is 24...Rf3 25.Bh3 Nd4 26.e5-/+); 22.Qb7?! Neg5 23.Ra3 Bg4=; 22.Qd6?! Rc4! 23.Qe5 Nef4 24.gf4 Nf4 25.Kg1 Qe5 26.Ne5 Rc7=) 22...Rc5 (22...Nd4 23.Qd2 (worse is 23.Qb7 Nc2 24.Ree3 Na3 25.Na3 Bg4-/+) 23...Nf3 24.Rf3+/-) 23.Ne3 Rfc8? (23...Nhg5 24.Nd5 Qd8 25.Qb7 Ra5 26.Ra5 Qa5 27.Nf6 Kg7 28.Nd7 (worse is 28.Qd7 Nf3 29.Rd1 Ne1 30.Re1 Qe1-/+) 28...Nf3 29.Qb2 (29.Kf3?! Qe1 30.Nf8 Nc5 31.Qb2 Kf8=) 29...f6 A) 30.Kf3 Qe1 31.Nf8 Ng5 (worse is 31...Nf8 32.Qb7 Kh6 33.Qf7+/-) 32.Kg2 Qe4 33.Kg1 Nf3 34.Kg2 Nd2 35.Kg1 Qe1 36.Qb7 Kf8 37.Qb8 Kg7 38.Qa7 Kh6 39.Qe3 Qe3 40.fe3 Nf1 41.Kf1 f5+=; B) 30.Ra1+/-) 24.Nd5 (better is 24.Qb7!? Neg5 25.Nd5 Rd5 26.ed5+- (worse is 26.Qd5 Bg4 27.Be2 Rc2-/+; 26.Qd7?! Rc2 27.Re2 Re2 28.Be2 Re5+/-)) 24...Qd8+/- 25.c4 Rb8 26.Qb2 h6?? (better is 26...Ng7+-) 27.Nf6 (27.Kh3?? Nf4) 27...Kf8 28.Nd7 (28.Kh3?? Nf4 29.Kh4 Rh5) 28...Qd7 29.Qh8 (29.Kh3?? Nf4 30.Kh4 Rh5) 29...Ke7 30.Qb8 1–0. Freiman,Sergey – Rovner,Dmitry, URS–ch sf Kiev, 1938. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.d5 Nb8 7.Bd2 g6 8.Bb4 Bg7 9.Nbd2 0-0 10.0-0 Nh5 11.Rb1 Nd7 12.Re1 Nf4 13.Bf1 Nc5 14.Nb3 Na4 15.Qc1 Nh5 16.c4 Bg4 17.Nfd4 Bd7 18.Be2 Nf6 19.Qe3 Rc8 20.h3 Ne8 21.Nd2 a6 22.N2f3 Qc7 23.Bf1 f6 24.Nh2 Nc5 25.Bc3 e5 26.de6 Ne6 27.Nb3 Nc5 28.Ba5 Qb8 29.Nc5 Rc5 30.Bb4 Re5 31.Nf3 Re7 32.c5 f5 33.Qb3 Kh8 34.ef5 Re1 35.Re1 dc5 36.Bc5 Rf5 37.Bd4 Qc7 38.Re7 Qd6 39.Qe3 Rf8?? (better is 39...Rf3 40.Bg7 Ng7 41.gf3 Bc6+/-) 40.Ne5 (better is 40.Rg7!? Ng7 41.Qh6 Qd4 42.Nd4 b5+-) 40...Bc6 41.Nc6 Qc6 42.Bg7 Ng7 43.Qd4 Qf6 44.Qf6 Rf6 45.Rb7 Nf5 46.Ra7 Rd6 47.g4 Nh4 48.Ba6 g5 49.Bb5?? (better is 49.a4+-) 49...Rd1= 50.Kh2 Nf3 51.Kg2 Nh4 52.Kh2 Nf3 ½–½. Hvenekilde,Jorgen (2270) – Larsen,Steen Skovlund (2220), Time Manager Cup, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.d5 Ne5 7.Ne5 de5 8.0-0 (8.c4 e6 9.0-0 ed5 10.cd5 Bc5 11.Bb2 0-0 12.Qc2 Bd4 13.a3; 8.Be3 e6 9.c4 b6 10.0-0 h5 11.Nd2 Bd6 12.Be2 g6 13.Bg5; 8.Bb2 e6 9.Be5 ed5 10.Bb5 Bd7 11.Bd7 Qd7 12.Bf6 gf6 13.Nd2; 8.Nd2 e6 9.de6 Be6 10.0-0 Qc7 11.Bb5 Nd7 12.Nf3 0-0-0 13.Ng5) 8...e6 9.de6 (9.c4 Bd6 10.a3 ed5 11.cd5 Bg4 12.Qb3 0-0 13.Nd2) 9...Be6 10.Nd2 Qc7 (10...Bd6 11.Qe2 0-0 12.Nc4 Qc7 13.Nd6) 11.Nf3 (11.Bb5 Nd7 12.Nf3 0-0-0 13.Ng5) 11...Rd8 (11...0-0-0 12.Qe2 Kb8 13.Bb2) 12.Qe2 (12.Bb5 Bd7 13.Bd7) 12...Bd6 (12...Bc5 13.Bb2) 13.Bg5 (13.Bb5+=) 13...0-0 14.Bf6 gf6 15.Nh4 Kh8 16.Qh5 Rg8 17.Qh6 Be7 18.f4 Bg4 19.fe5 fe5 20.Nf3 Rg6 21.Qd2 Bh3 22.Ne1 Rdg8 23.Kh1 Bg2 24.Ng2 Rg2 25.Qg2 Rg2 26.Kg2 f6 27.Rf5 a5 28.Raf1 a4 29.R1f3 h6 30.Rh5 Kh7 31.Rfh3 Bf8 32.Rf3 Qc8 33.Rhf5 Be7 34.Rh3 Qg8 35.Kf1 Qa2 36.Rfh5 Bf8 37.Re3 b3 38.cb3 Qb3 39.Rhh3 a3 0–1. Burgin,Robert – Gosme,Emil, IECG, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.d5 Ne5 7.Ne5 de5 8.Bb2 e6 9.Be5 ed5 10.ed5 Bc5 11.0-0 0-0 (11...Qd5? 12.Bf6 Kf8 13.Bb2+-) 12.c4 Ng4 13.Bg3 f5 14.Be2 f4 15.Bg4 fg3 16.hg3? (better is 16.Bc8 Rc8 17.Nd2 gh2 18.Kh1-+) 16...Qf6 17.Bc8 Bf2 (17...Qa1?! 18.Be6 Kh8 19.Qc2-+; worse is 17...Rfc8 18.Nd2+=) 18.Kh2 Rac8 (18...Rac8 19.Qg4 Qa1 20.Rf2 Qb1-+ (20...Rf2?! 21.Qc8 Rf8 22.Qe6 Kh8 23.Nd2-+); 18...Qa1?! 19.Bb7 Rad8 20.c5 Qa2 21.d6-+) 0–1. Binham,Timothy F (2330) – Lahtinen,Markku (2215), FIN–chT Finland, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.h3 d5 7.ed5 Nd5 8.0-0 +=.

    6.h3 e6 7.0-0 g6 (7...Be7 8.c4=+) 8.Bg5 (8.c3 Bg7=) 8...Be7 9.Re1 0-0 10.Nbd2 b6 11.Bc4 d5 12.ed5 Nd5 13.Bd5 ed5 14.Be7 Ne7 15.Ne5 Bb7 16.Ndf3 f6 17.Nd3 a5 18.Nf4 Qd6 19.Qd2 b5 20.Re6 Qc7 21.Rae1 Nf5 22.R1e2 (22.g4 Nd6 23.Re7 Qc3 24.Qc3 bc3=) 22...Bc6 (22...Qc4 23.Qd3=+) 23.g4 Nd6 (23...Ng7!? 24.Re7 Qd6=+) 24.Re7+= Qb6 25.Ng6 hg6 26.Qh6 Nf7 (26...Rf7 27.Nh4 Qd4 28.Ng6 Qg4 29.hg4 Re7 30.Qh8 Kf7 31.Re7 Kg6 32.Qg7) 27.Qg6 Kh8 28.Qf6 Kg8 29.Qg6 (29.Qg6 Kh8 30.Ng5 Ng5 31.Qg7) 1–0. Welch,Bernard – Mills,Glenys, NZCCA Handicap, 1990.

    6.h3 e6 7.Nbd2 Be7 8.0-0 Qc7 9.Qe2 Bd7 10.Re1 a6 11.a3 ba3 12.Ba3 e5 13.c3 b5 14.Nb3 Rc8 15.d5 Nd8 16.Bb4 Ra8 17.Ra3 (17.c4 bc4 18.Bc4 Rb8+=) 17...Nb7 18.c4 bc4 19.Bc4 Qb6 20.Bc3 0-0 21.Nfd2 (21.Rea1 Rfc8+=) 21...Nc5 (21...a5!?+=) 22.Qe3 Rfc8 23.Rea1 h6 (better is 23...Bb5!? 24.Bb5 Qb5=) 24.Ba6+/- Rcb8 (24...Rc7!? 25.Ba5 Qa6 26.Nc5 Rc5+/-) 25.Nc5+- dc5 (25...Qc5 26.Qc5 dc5 27.Be5+-) 26.Be5 Re8 27.Nc4 Qd8 28.Rb1 Bc8 (28...Bf8 29.Rd1+-) 29.Bc8 Qc8 30.f3 (30.Bf6!? Bf6 31.Nd6 Ra3 32.Qa3 Qa8 33.Qc5 Be7+-) 30...Ra3 31.Qa3 Nd7 32.Bg3 Bf6 33.Nd6 Qa8 34.Qa8 Ra8 35.Rb7 Ra1 36.Kh2 Bd4 37.h4 (37.Rd7?! Bg1 38.Kh1 Bf2 39.Kh2 Bg1 40.Kh1 Bf2 41.Kh2 Bg1=) 37...Nf6 (37...Ne5 38.Re7 f6 39.h5+-) 38.Nf5 (38.Rf7?! Bg1 39.Kh3 Bd4+-) 38...Bg1 39.Kh3 h5? (39...Bd4 40.Bh2 h5+-) 40.d6 c4 (40...Ra8 41.Be5 Kf8 42.Bf6 gf6 43.d7+-) 41.d7 (better is 41.e5!? Ra5 42.Ne7 Kh7 43.ef6 Ra8+-) 41...Nd7 42.Rd7 c3 1–0. Johannessen,Svein (2370) – Rettedal,Atle, Troll Masters, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Nc6)

    6.h3 g6 7.a3 (7.d5 Nb8+=) 7...Bg7 (7...d5 8.e5 Ne4 9.0-0+=) 8.d5 Nb8 (8...Nd5 9.ed5 Ba1 10.dc6 ba3 11.cb7 Bb7 12.Bd2+=) 9.ab4 (9.Bb2 ba3 10.Ra3+=) 9...0-0 (better is 9...Nd5!? 10.Bb5 Nd7-/+) 10.c3+= e6 11.0-0 (11.de6!? fe6 12.Be3=) 11...ed5+= 12.ed5 Nbd7 (12...Nd5 13.Ra3+=) 13.Ra5 (13.Qb3 Re8+=) 13...b6 (13...Ne5 14.Ne5 de5 15.Bc4=) 14.Ra2 (14.Ra4 Ne5 (14...Nd5? 15.Be4+-) 15.Bg5 Nd3 16.Qd3 Bf5+=) 14...Bb7 (14...Ne5 15.Ne5 de5 16.c4=) 15.c4 b5 16.Ra5 bc4 17.Bc4 Nb6 18.Bb3 Re8 19.Bb2 (19.Nc3 Ne4 20.Ne4 Re4=) 19...a6 (19...Bd5 20.Bd5 Nbd5 21.Rd5 Nd5 22.Bg7 Nb4 23.Bc3=) 20.Bc3 Rc8 21.Qd3 (21.Bd4 Nc4 22.Bc4 Rc4=) 21...Nfd7 (better is 21...Nbd5!? 22.Bd2 Nb6-/+) 22.Bg7= Kg7 23.Nc3 Ne5 (23...Qf6 24.Ne4 Qf4 25.Nfg5+=) 24.Ne5+= de5 (24...Re5 25.Qd4 Kg8 26.f4+=) 25.Ne4 Kg8 (25...Qe7 26.Nc5 Red8 27.Nb7 Qb7 28.Rd1+=) 26.Rd1+/- Na8 (better is 26...Rb8!?+/-) 27.d6+- Be4 28.Qe4 Rf8 (28...Rb8 29.Ra6 Rf8 30.Ra5+- (worse is 30.Qe5 Rb4 31.Ra3 Rb8+-)) 29.Ra6 1–0. Saskowski,Jacek (2315) – Cyborowski,Lukasz (2205), Legnica, 1995. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 Nc6)

    5.Bd3 d5

    6.Nbd2 Nc6 7.e5 Nd7 8.0-0 e6 9.Re1 Be7 10.Nf1 Nb6 11.Ng3 h5 12.Be3 Na5 (12...h4 13.Nf1-/+) 13.Qc1 (13.Nd2 g6=) 13...Nac4 14.Bg5 Bd7 15.Rb1 Ba4 (15...h4 16.Ne2+=) 16.Rb4 (16.Bc4 Nc4 17.Rb4 A) worse is 17...Bb4 18.Bd8 Be1 19.Qg5+/- (worse is 19.Ne1 Rd8 20.Qg5 g6=); B) 17...b5=) 16...f6 17.ef6 gf6 18.Bh4 (18.Re6 fg5 19.Nf5 Rh7 20.Qg5 Kd7 21.Ne7 Ke6 22.Bf5 Kf7 23.Bh7 Bc2 24.Bg8 Ke8 25.Nd5 Qg5 26.Ng5 Kd7+-) 18...Bb4-/+ 19.Re6 Kd7 20.Rf6? (better is 20.Bf5 Kc7 21.Bf6+=) 20...Kc7?? (20...Qg8 21.Bc4 dc4 22.c3-+) 21.Rc6?? (better is 21.Rf7 Qd7 22.Rd7 Bd7 23.Bf6+-) 21...Bc6-+ 22.Bd8 Kd8 23.Qg5 Kc7 24.Nh5 Rag8 25.Qf4 Bd6 26.Qf7 Kb8 27.Nf6 Rf8 28.Qg7 Bc7?? (better is 28...Rd8-/+) 29.Bh7+= Bd8 (29...Bd6+=) 30.Ng8 (better is 30.Bg8!? Rhg8 31.Ng8+/-) 30...Nd7= 31.Ne5 (worse is 31.Qh8 Bf6 32.Nf6 Rh8 33.Nd7 Bd7-+) 31...Nce5 32.de5 (32.Qh8? Bf6 33.Qf6 Nf6 34.Nf6 Nf3 (34...Rf6?! 35.de5 Rf4 36.g3-+) 35.gf3 Rf6-+) 32...Rh7 33.Qh7 Bb6 (better is 33...Ne5!? 34.Ne7 Nc4 35.Nc6 bc6=) 34.Nf6+/- Ne5 35.Qe7 (35.Qf5!? Bc7 36.f4+/-) 35...Ng6+= 36.Qg7 Bd4 37.Nd7 Bd7 38.Qd4 Nf4 39.Qg7 Re8 40.h4 Bc6 41.Qg3 Rf8 42.h5 Ka8 43.Qg7 Re8 44.h6 Ne6 45.Qf6 Nf8 46.Qf7 a6 47.g4 d4 48.Kh2 Rc8 49.h7 Nh7 50.Qh7 Ba4 51.Qg7 Rd8 52.Qf6 Rd7 53.g5 Bc2 (53...Ka7 54.Qf5 b6+-) 54.Qf8 Ka7 55.Qc5 b6 56.Qc2 d3 57.Qd2 (57.Qc6!? Rh7 58.Kg3 a5+-) 57...b5 (57...Kb8 58.f4 Rh7 59.Kg3+-) 58.g6 Kb6 (58...Kb7 59.f4 Rd8 60.f5 Rh8 61.Kg3+-) 59.g7! (59.g7 Rg7 60.Qh6 Kc5 61.Qg7+-) 1–0. Hoogendoorn,Joost (2350) – Soderberg,Per (2250), Gent op, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5)

    6.ed5 Nd5 7.Bd2 Nc6 8.a3 e6 9.0-0 Be7 10.ab4 Ncb4 11.Bb5 Nc6 12.Ba5 Qd6 (12...Nc7 13.Bc6 bc6 14.Ne5+=) 13.c4= Nf6 14.c5 Qf4 15.Ra4 Qf5 16.Ne5 a6 (16...Bd7 17.Bd3 (17.Nd7?! Nd7 18.Bd3 Qf6=) 17...Qg5 18.Bd2=) 17.Bc6 bc6 18.g4 Qg5 19.f4 Qh4 20.Be1 Qh6 21.Qf3 Nd5?? (better is 21...Rb8 22.Na3 Bb7+/-) 22.g5+- (22.Nc6?! Bd7 23.Ne7 A) 23...Ba4? 24.g5 Bd1 25.gh6 Bf3 26.hg7 (26.Rf3? Ne7 27.hg7 Rg8-+) 26...Ke7 27.gh8R (27.gh8B?! Be2 28.Bh4 Kd7+-; 27.gh8N?! Be2 28.Rf2 Bd3+=) 27...Rh8 28.Rf3+-; B) 23...Ke7=) 22...Bg5 23.Nf7 (23.fg5 Qg5 24.Kh1 Qf5+-) 23...Qg6 (23...Qf6 24.fg5 Qf3 25.Nd6 Ke7 26.Rf3 Rf8+-) 24.Nh8 (worse is 24.fg5 Rg8+-) 24...Qb1 25.fg5 Qf5 26.Qg3 Qc2 27.Qd6 1–0. Blask,Gerhard – Gauba,Rolf, FRG–chT qual corr, 1991. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5)

    6.Nbd2 de4

    7.Ne4 Nc6 8.0-0+= Bg4 9.Nf6 gf6 10.Be4 f5 11.Bc6 bc6 12.a3 Rg8 13.ab4 +=.

    7.Ne4 Nc6 8.0-0 Bg4 9.h3 Ne4 10.Be4 Bf3 11.Qf3 (11.Qf3 Nd4 12.Qe3-/+). Vorobiev,Alexander (2060) – Melzer,Wilfried (2000), IECG, 2004.

    7.Ne4 Nc6 8.Nf6 ef6 9.0-0 Be7 10.Re1 Be6 11.Bb2 0-0 12.c3 f5 13.c4 +=.

    7.Ne4 e6 8.Nf6= gf6 9.0-0 Bd7 10.d5 e5 (10...Qa5 11.Bc4=) 11.Re1 Qb6 12.Bb2 Bd6 (12...Bc5 13.Qe2 Kd8 14.Nd2+=) 13.Qd2 (13.Nd2 Be7=) 13...Na6 (13...Kd8 14.Qh6 Bc5 15.Re2=) 14.Ba6 (14.Qf4 Bc7+=) 14...ba6 (14...Qa6 15.Qf4 Bc7 16.a3+- (worse 16.Qb4 Ba5 17.Qe4 Be1=+)) 15.Qf4+= 0-0-0 (15...Bc7 16.Ne5 fe5 17.Be5+=) 16.Qf6+- Rhg8 ½–½. Roofthoofd,Marcel – Baljon,Christofoor, 8th Niemeyer tournament, final C, 1969. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4)

    7.Ne4 Bg4 8.Nf6 (8.h3 Bh5 9.Nf6 ef6 10.0-0 Be7 11.a3 Nc6 12.ab4 Bb4 13.Ra4+=; 8.Bb5 Nbd7 9.Nf6 ef6 10.0-0 Be7 11.h3 Bh5 12.a3 0-0 13.Re1+=; 8.Be3 Nc6 9.h3 Bh5 10.Nf6 ef6 11.Be4 Bd6 12.Qd3 f5 13.Bf5+=) 8...ef6 9.h3 Be6 10.Be4 Bc4 11.Bd3 Bd5 12.0-0 Nc6 13.a3 +=.

    7.Ne4 Nbd7

    8.0-0 Ne4 9.Be4 Nf6 10.Bd3 e6 11.a3 ba3 12.Ba3 Ba3 13.Ra3 +=.

    8.0-0 Ne4 9.Be4 Nf6 10.Bd3 e6 11.Ne5 a6 12.Re1 Be7 13.Re3 b5 14.Rg3 g6 15.Nc6 Qd5 16.Ne7 Ke7 17.Rg5 Qd7 18.Qe1 Kf8 19.Qb4 Kg7 20.d5 (20.a4 Nd5 21.Qb3 Bb7+=) 20...Nd5 21.Rd5 ed5 (21...Qd5 22.c4 Double attack (22.c4 Decoy); 21...ed5 22.Bb2 Pinning) 22.Bb2 f6 23.Bf6 Kf6 24.Qd4 Ke7 (better is 24...Kg5!? 25.Qh8 Bb7+=) 25.Qh8+- Kd6 26.Re1 Ra7 (better is 26...Qf7 27.a4! ba4 28.Qd8 Qd7 29.Qf6 Kc5 30.Qc3 Kd6 31.Qa3 Kc6+-) 27.Re8 Rc7 (27...Kc7 28.Qe5 Kb6 29.Qf6 Qc6 30.Qc6 Kc6 31.Rc8 Kd7+-) 28.Rd8 1–0. Andraca Perera,J.R – Lopez Gomez,J.R, CAP–017 II CAP Ch. Final, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7)

    8.Rb1 e6 9.0-0 Ne4 10.Be4 Bd6 11.Bd2 Nf6 12.Bd3 Nd5 13.Be4 +=.

    8.Bd2 Ne4 9.Be4 Nf6 10.Bd3 e6 11.Rb1 a5 12.Qe2 Bd6 13.0-0 +=.

    8.Qe2 e6= 9.0-0 Qc7 10.a3 Be7 11.ab4 Bb4 12.c4 0-0 13.Bg5 =.

    8.Nf6 Nf6 9.0-0 e6 10.a3 ba3 11.Ba3 Ba3 12.Ra3 0-0 13.Qa1 +=.

    8.Ng3 e6+= 9.0-0 Be7 10.Re1 (10.a3 0-0 11.ab4 Bb4 12.c4 Qc7 13.Bg5+=) 10...0-0 (10...b6 11.a3 0-0 12.Qe2 Nd5 13.ab4+=) 11.Ne5 (11.a3 Re8+= (11...b6 12.Qe2 Nd5 13.ab4+=) 12.ab4 Bb4 13.Bd2+=; 11.Qe2 Nd5 12.a3 Qc7 13.ab4+=) 11...Nb6 (11...Qc7 12.Bg5+= Rd8 13.Nh5+=) 12.a3 (12.Nh5 Nbd5 13.Nf6+=) 12...Nbd5 13.ab4 (13.Nh5!?+=) 13...Bb4-/+ 14.Bd2 (14.Rf1 Nc3 15.Qd2 Nfd5-/+) 14...Nc3-+ 15.Qf3 Qd4 16.Bh6 (16.Ne2 Qe5 17.Bc3 Bc3 18.Nc3 Qc7-/+) 16...Ncd5 (16...gh6 17.Qf6 Qd8 18.Qh6+/-) 17.Rad1 Qh4 18.Bc1? (better is 18.Bd2-+) 18...Be1 19.Re1 Nb4 20.Ne4 (20.Be4 a5-+ (20...Ne4?! 21.Re4 Qe7 22.Ba3-/+)) 20...Nd3 21.cd3 Ne4 22.Re4 Qf6 (better is 22...Qe7-+) 23.Qf6 gf6 -+. Dakic,Dejan (2145) – Cerovic,D (2090), Jezero Open, Belgrade YUG, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7)

    8.Neg5 Qc7

    9.c4 h6

    10.Nh3 g5

    11.Nhg1 Bg7

    12.Bb2 g4 13.Nd2 0-0 14.Ne2 e5 15.0-0 ed4 16.Nd4 Nc5 17.Bb1 Rd8 18.f4 (better is 18.Re1!?-/+) 18...Qb6-+ 19.Kh1 (better is 19.Qe2-+) 19...Bd7 (19...Nh5 20.Qc2 Rd4-+ (worse is 20...Bd4 21.Qh7 Kf8 22.Bd4 Rd4 23.Qh8 Ke7 24.Qd4+/-)) 20.N4b3-/+ Ba4 21.Bf6?? (better is 21.Qe2 Qe6 22.Qf2 Bb3 23.ab3 Rd2 24.Qd2 Nb3 25.Qb4 Na1 26.Ba1+=) 21...Qf6-+ (21...Bf6?! 22.Qg4 Kf8 23.Nc5 Qc5 24.Ne4-/+) 22.Qg4 Bb3 23.Nb3 Nb3 24.ab3 Qa1 25.Bh7 Kh7 26.Ra1 Ba1 27.h4 Bg7 28.Qf5 Kg8 29.Qb5 a5 30.Kh2 b6! 31.Kh3 (31.Qb6 a4 Combination) 31...Rd6 (31...Rd3 32.g3 Rb3 33.Qc6-+) 32.h5 (32.g3 Bd4-+) 32...Rad8 (better is 32...Rd3 33.Kg4 Rf8-+) 33.g4 (33.g3-+) 33...Rd3 34.Kh4 White plans g5 34...Bf6 35.g5 hg5 36.Kg4 R3d4 (better is 36...R8d4 37.Qf5 Rf4 38.Qf4 gf4 39.Kf4-+) 37.h6 (37.Kf3 Rf4 38.Ke3 Kf8-+) 37...Rf4 38.Kg3 Kh7 39.Qb6 (39.c5 bc5 40.Qe2-+) 39...Rd3 40.Kg2 Bd4 0–1. Dakic,Dejan (2105) – Vrbljanac,Aleksandar (2260), Belgrade–chT qual, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7 8.Neg5 Qc7 9.c4 h6 10.Nh3 g5 11.Nhg1 Bg7)

    12.Ne2 0-0 13.0-0 e5 14.Ng3 e4 15.Ne4 Ne4 16.Be4 Qc4 17.Bd3 Qd5 18.Re1 g4 19.Nh4 Nb6 20.Rb1 Bd7 21.Re4 Rfe8 22.Rf4 Qd6 23.Bd2 Nd5 24.Rg4 Bg4 25.Qg4 Qf6 26.Nf5 Kf8 27.Ng7 (worse is 27.Qg7 Qg7 28.Bh6 Qh6 29.Nh6 Nc3+=; worse is 27.Bb4 Nb4 28.Rb4 Re1 29.Bf1 b6+=) 27...Qg7 28.Qh5 (28.Bb4? Nb4 29.Qg7 Kg7 30.Rb4 Re1 31.Bf1 Rc8 32.Rb7 Rcc1-+) 28...Nf6 (28...Qd4? 29.Qh6 Qg7 30.Qd6 Kg8 31.Qd5+-) 29.Qh4 h5 30.Rb4 Rac8 (30...Re7 31.Rb5 Ke8 32.Rf5+-) 31.h3 (31.Rb7 a5+-) 31...Rc7 (31...b6 32.Rb5 Re6 33.Bb4 Ke8 34.Rh5+-) 32.Rb5+- Re6 (better is 32...Ree7+-) 33.Rh5 (33.Rh5 Ke8 34.Rh8 Ng8 35.Rh7+-) 1–0. Keres,Paul – Eliskases,Erich Gottlieb, Semmering/Baden, 1937. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7 8.Neg5 Qc7 9.c4 h6 10.Nh3 g5 11.Nhg1 Bg7)

    12.Ne2 0-0 13.0-0 e5 14.Ng3 e4 15.Ne4 Ne4 16.Be4 Qc4 17.Bd3 Qd5 18.Re1 g4 19.Nh4 Nb6 20.Rb1 Bd7 21.Re4 Rfe8 22.Rf4 Qd6 23.Bd2 Nd5 24.Rg4 Bg4 25.Qg4 Qf6 26.Nf5 Kf8 27.Ng7 Qg7 28.Qh5 Nf6 29.Qh4 h5 30.Rb4 Rac8 31.h3 Rc7 32.Rb5+- Re6 33.Rh5 (33.Rh5 Ke8 34.Rh8 Ng8 35.Rh7+-) 1–0. Yankin,Vadim (2280) – Sitnikov,Dmitrij (2225), Prokojevsk, 1998. This is an exact copy of game above (Keres–Eliskases)

    12.Ne2 e5 13.Qc2 0-0 14.h4 g4 15.Ne5 Ne5 16.de5 Nd7 17.Bb2 (17.Rb1 Ne5 18.Rb4 a5-/+) 17...Ne5 18.0-0 Be6 19.Nd4 Rad8 20.Ne6 fe6 21.Rad1 g3 (worse is 21...Rd3 22.Be5 Be5 23.Qd3+/-) 22.Bh7 Kh8 23.Rd8 Rd8 24.f4?? (better is 24.fg3 Ng4 25.Rf4-+) 24...Qc5 (24...Nc4?! 25.Bg7 Kg7 26.Qg6 Kh8 27.Qh6-+) 25.Kh1 Qe7 (25...Qe7 26.Bf5 ef5 27.Qf5 Qh4 28.Qh3 Qf4-+; 25...Nc4?! 26.Bg7 Kg7 27.Qg6 Kh8 28.Qf6 Kh7 29.Qd8=) 0–1. Merlo,Carlos – Goldenberg,E, ARG–ch Buenos Aires, 1960. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7 8.Neg5 Qc7 9.c4 h6 10.Nh3 g5 11.Nhg1 Bg7)

    12.Ne2 e5 13.Ng3 0-0 14.0-0 e4 (14...ed4 15.Rb1-/+) 15.Ne4+= Ne4 16.Be4 Qc4 17.Bd3 Qd5 18.Re1 (18.Bb2!?+=) 18...g4-/+ (18...Bd4? 19.Nd4 Nc5 20.Bc2+-) 19.Nh4 Nb6 20.Rb1 Bd7 (20...Qh5 21.g3 Bd4 22.Bh7 Kh7 23.Qd4+=) 21.Re4 (better is 21.Rb4!? Rfe8 22.Be3=) 21...Rfe8 (21...Bd4? 22.Rd4! (22.Rb4?! Bc3=; 22.Bh6?! Bf6+/-) 22...Qd4 23.Bh7 Kh7 24.Qd4+-) 22.Rf4 Na4 (worse is 22...Bd4 23.Nf5 Bf5 24.Rf5=; worse is 22...Qa2 23.Nf5 Bf5 24.Rf5-/+) 23.Bd2 Nc3 24.Bc3 bc3 25.Bc2 Qd6 26.g3 Qa6 27.Bb3 Re7 28.Ng2 Be6 29.d5 Bd7 30.d6 Re6 31.Be6 (31.Qg4 Re1 32.Re1 Bg4 33.Rf7 Kh8-+) 31...Be6 32.Ra4 Qc6 33.Ne3 Increases the pressure on g4 (33.Rg4?? A) 33...Bg4?! 34.Qg4 Qd6 35.Ne3-/+ (35.Rb7?? c2 36.Qc4 Qd1 37.Ne1 Qe1 38.Kg2 Qc3 39.Qf7 Kh8-+); B) 33...c2 34.Rg7 Kf8-+) 33...b5 34.Rg4 Rd8 35.Qd4 Bg4 36.Qg4 Qd6 37.Rb5 Qd7 (37...Qg6!? 38.Qa4 Rd2+=) 38.Rb8 (38.Rd5 Qd5 39.Nd5 Rd5 40.Qc8 Kh7+=) 38...Kh7= 39.Qe4 Kg8 40.Rb7 Qe8 (40...Qd3!? 41.Qd3 Rd3 42.Ra7 Bd4 43.Ra8 Kh7+=) 41.Re7+= Qb5 42.Kg2 (42.Ra7!? Qe5 43.Qf3+=) 42...Qc5= 43.Qb7 (43.Rb7!?=) 43...Rf8 (43...c2 44.Rf7 Be5=) 44.Rc7+= (worse is 44.Qa7 Qc6 45.f3 c2 46.Nc2 Qc2 47.Qf2 Qc6-/+) ½–½. Gruenke,Guenter (2230) – Curtacci,Sergio (2340), corr ICCF WT/M/GT/253 ICCF, 1989. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7 8.Neg5 Qc7 9.c4 h6 10.Nh3 g5 11.Nhg1 Bg7)

    12.Ne2 e5 13.Ng3 e4 14.Qe2 0-0 (14...Kd8 15.Nf5 Rg8 16.Be4 Ne4 17.Qe4-+) 15.Ne4+= Re8 16.0-0? (better is 16.Nf6 Nf6 17.Be3+=) 16...Ne4-+ 17.Be4 Nf6 18.Ne5 White intends d5 18...Ne4 (better is 18...Re5!? 19.de5 Qe5 20.Bg5 Qe4-+) 19.Qe4-/+ f6 20.Qg6 Be6 21.d5? (better is 21.Nd3-/+) 21...Qe5-+ (21...fe5?! 22.de6 Qc4 23.Qf7 Kh8 24.Qb7-/+) 22.de6 Qa1 23.Bg5 Qe5 (23...Qa2? 24.Bf6 Re7 25.Be7+-) 24.Bh6 Re7 25.h4 (25.Bg7 Rg7 26.Qb1 Qe6 27.Qb4 Rc8-+) 25...Kh8 (25...Qe6!? 26.Be3-+) 26.Bd2 Qe6 27.Qg3 (27.Qh5 Kg8 28.Bb4-+) 27...Qc4 28.h5 Kg8 (better is 28...Rd7 29.h6 Bf8 30.Qf3-+) 29.Rb1 (29.h6 Rd8 30.Rc1-+) 29...Qc2 (29...Qc2 30.Qb3 Qb3 31.ab3 a5-+) 0–1. Megier,Wolfgang O – Burgess,Rex E, NSW Championship, 1960. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Nbd7 8.Neg5 Qc7 9.c4 h6 10.Nh3 g5 11.Nhg1 Bg7)

    7.Ne4 Ne4

    8.Be4 Nd7 9.0-0 Nf6 10.Bd3 e6 11.a3 ba3 12.Ba3 Ba3 13.Ra3 +=.

    8.Be4 f5 9.Bd3 Nc6 10.Bb2 e6 11.0-0 Be7 12.d5 (12.Qe2!?=) 12...Qd5+= 13.Bg7 Rg8 14.Bh6? (better is 14.Bb2!?+=) 14...e5-+ 15.Be2 Qe6 (15...Be6 16.Kh1-+) 16.Bc1 Bd7 17.Nd2 Na5 18.Bh5 Kd8 19.Nb3 Nc4 20.Re1 Bd6 21.Nd4 Qd5 22.Nf3 Bc6 23.Qd5 Bd5 24.Ng5 Rg7 25.Bf3 e4 26.Bh5 Be5 27.Rd1 Rd7 28.Rb1 a5 29.Nh7 Kc7 (29...Rh7?! 30.Rd5 Ke7 31.Bg6 Rh2 32.Bf5=) 30.Bg6 f4 31.Ng5 e3 32.fe3 fe3 33.Bd3 Bc6 (better is 33...Bd4!? 34.Kh1 Rg8 35.Bc4 Bc4-+) 34.Ne6 Kb6 35.a3 (35.Re1 Bd5 36.Be3 Ne3 37.Re3 Ba2 38.Rb4 ab4 39.Re5 b3-/+) 35...Re8 (35...Bc3!? 36.Nf4 a4-/+) 36.Re1+= Re6 (36...Bd5 37.Bc4 Bc4 38.Be3 Kc6 39.ab4 Re6 (39...Be6?! 40.ba5 Bf7 41.Rb6 Kc7 42.a6 ba6 43.Ra6+=) 40.ba5 Bc7-/+) 37.Bc4+= Rg6 38.Bf1 (38.Be3!? Kc7 39.g3+=) 38...Bd4 39.Be3 Be3 40.Re3 Rd2 g2 seems the pivot of the position 41.g3 Rc2 42.ab4 a4 43.b5 Bd5 44.Ra1 Rg4 45.Rd3 Kc5 46.Re3 Kb4 47.Rea3 (47.h4 b6=) 47...Bb3+= 48.Bg2 b6 49.Bd5 Rc1 (better is 49...Rg7!? 50.Bf3 Rd2-/+) 50.Rc1= Ka3 51.Bf3 (51.Bc6 Kb2 52.Re1 a3 53.Re2 Bc2-+) 51...Kb2 52.Re1 Rc4 53.Re8? (better is 53.h4+=) 53...a3-+ 54.Ra8 Ra4 (54...Ra4 55.Re8 a2 56.Re2 Kc3 57.Ra2 Ra2-+) 0–1. Fowkes,R – Heinoo,R, corr, 1964. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Ne4)

    8.Be4 Nd7

    9.0-0 e6 10.Re1 Be7 11.c4 (11.a3 Nf6+=) 11...bc3-/+ 12.Rb1 0-0 13.Bc2 Nf6 14.Qd3 b6 15.Ne5 (15.Bg5 g6-/+) 15...Bb7 16.Re3 (16.Bg5!? Qd5 17.Nf3-/+) 16...g6 17.h4 (17.Re2 Rc8-+) 17...Qd6 (17...Nd5 18.Re2 Bh4 19.Bh6-+) 18.h5 Nh5 19.Rh3 Nf6 20.Rh4?! (20.Qc3 Qd5 21.Qg3 Qa2 22.Ng6 fg6 23.Bg6-+) 20...Qd5 21.Qg3 Qg2 (21...Qa2 22.Ng6 A) 22...Qc2 23.Ne7 Kh8 24.Qe5 Qg6 25.Bg5 Qb1 26.Kh2 Qh1 27.Kh1 Bg2 28.Kh2 Rg8 29.Bf6 Rg7 30.Bg7; B) 22...hg6?? 23.Bg6 Qf2 24.Kf2 (24.Qf2?! fg6 25.Qg3 Kf7+=) 24...Ng4 25.Rg4 fg6 26.Ke1+-; C) 22...fg6 23.Bg6 Kh8-+) 22.Qg2 Bg2 23.Kg2 Nd5 24.Rh3 Rac8 25.Bh6 Rfd8 26.Rbh1 Bf6 27.Bc1 Nb4 28.Ng4 (28.Nf7 Kf7 (28...Nc2?! 29.Nd8 Rd8 30.Rc3 Nd4 31.Rc7+=) 29.Rh7 Bg7-+) 28...Bd4 (28...Nc2?! 29.Nf6 Kg7 30.Nh7=) 29.Rh7 Rc5 (29...Nc2 30.Bg5 Ne1 31.Kf1 a6 32.Nf6 Kf8 33.Rf7 Kf7 34.Rh7 Kf8 35.Bh6) 30.f4? (30.Be3 Bg7 (30...Nc2?? 31.Bd4 Kf8 32.Rh8 Ke7 33.Bf6 Kd6 34.Rd8 Kc7 35.Rf8+-) 31.Rg7 Kg7 32.Bh6 Kh8 33.Bg5 Kg8+-) 30...Rdd5 (better is 30...Nc2!? 31.Ne5 Be5 32.fe5 Re5 33.Rh8 Kg7 34.Rd8 Ra5-/+) 31.Be3+= Kf8 (worse is 31...Nc2 32.Bd4 Kf8 33.Bc5 Rc5 34.Ne5+-; 31...Na2 32.Bd4 Kf8 33.Bg6+-) 32.Bg6 fg6 33.Bd4 (33.Rb7 Bg7 34.Rh7+-) 33...Rd4-/+ 34.Ne5 Re5! 35.fe5 Rf4 (35...g5!? 36.Ra7 Rg4 37.Kf3 Rf4 38.Ke2 Rf7 39.Rh8 Kg7 40.Rh7 Kh7 41.Rf7 Kg8+=) 36.Rc7= Rf7 37.Rc3 Kg7 (worse is 37...Na2 38.Rc8 Kg7 39.Rb1+=) 38.Rch3 Nc6 (38...Na2? 39.Rh7 Kf8 40.Rh8 Ke7 41.Rb8+-) 39.Rh7 Kf8 40.Rf7 Kf7 41.Rh7 Ke8 42.Kg3 Ne5 43.Ra7 Nd7 44.Kg4 Ke7 45.Kg5 Kd6 46.Kg6 b5 47.a4 ½–½. Canal Oliveras,Joan – Lara Fuentes,F, Spain corr, 1990. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Ne4 8.Be4 Nd7)

    9.0-0 Nf6 10.Qd3 g6 11.a3 Ne4 12.Qe4 ba3 13.Ba3 Qc7 14.d5 Bg7 15.d6 Qd7 16.de7 (16.Rad1 e6=) 16...Ba1+= 17.Ra1 f6 (better is 17...Qc7!?+=) 18.Qf4+/- Qf5? (better is 18...Qe6 19.Re1 Qa6+-) 19.Qh6+- Be6 20.Rd1 Kf7 (20...Qd5 21.Rd5 Bd5 22.c4+-) 21.Rd8! g5 (21...Rad8 22.ed8Q Mate attack; 21...Rhd8 22.ed8Q Mate attack) 22.Qf8 Rf8 23.ef8Q (23.ef8R?! Kg6 24.Ra8 Qc2+/-) 23...Kg6 24.Ra8 1–0. Tears,Cath Fred – Barnhart,JW, Grand National corr, 1943. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4)

    9.0-0 Nf6 10.Bd3 e6 11.Ne5 a6 12.Re1 Be7 13.Re3 0-0 14.Rh3 Bd7?? (better is 14...Qd5+=) 15.Bh7!+- Kh8 (15...Nh7 16.Qh5 Decoy) 16.Bg5 Bc6 17.Bf6 gf6 18.Be4 1–0. Sahlmann – Reiher, Hamburg, 1938. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Nbd2 d5 6.Bd3 de4 7.Ne4 Ne4 8.Be4 Nd7)

    9.0-0 Nf6 10.Bd3 e6 11.Ne5 a6 12.Qf3 Be7 (12...Qd4!? 13.Bf4 Qd5-/+) 13.Qg3 Kf8 (13...Qd4 14.Be3 (14.Qg7? Rf8 15.Nc4 Qa1-+) 14...Qc3 15.Qg7+=) 14.Bb2 Nd5 15.Qh3 Bf6 16.f4 (worse is 16.Bh7 g6-+) 16...Nc3 17.Qe3 Nd5 18.Qd2 Qc7 19.a3 b5 (19...Be7!?=) 20.ab4+= Bb7 21.Rac1 Qd6 22.Be4 Rb8 23.c4 bc4 (23...Nb4? 24.c5 Qc7 25.Bb7 (25.Qb4?! Be4 26.c6 Kg8=) 25...Rb7 26.Qb4+-; 23...Qb4?! 24.Qe2 bc4 25.Nd7 Ke7 26.Nb8+=) 24.Rc4 Nb6 (24...g6!?=) 25.Bb7+= Rb7 26.Rc6 Qd5 27.Rfc1 g6 28.R1c5 Qe4? (better is 28...Qd8+/-) 29.Rb6!+- (29.Rb6 Rb6 30.Nd7 Ke7 31.Nf6+- (worse is 31.Nb6 Rd8+-)) 1–0. Schirmer,Michael – Breitenbaum,Josef, EW match corr, 1984. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Ne4)

    9.0-0 Nf6 10.Bd3 e6 11.Ne5 a6 12.Bg5 Be7 =.

    9.0-0 Nf6 10.Qe2 Ne4 11.Qe4 e6 12.a3 ba3 13.Ba3 Ba3 14.Ra3 Qd5 15.Qg4 0-0 16.Ne5 f5 17.Qf4 b5 18.Rg3 Qd8 19.h4 (19.Rb1 a6=) 19...Bd7 (19...Bb7 20.Rb1 a6 21.Rbb3+=) 20.Re1 Be8 21.Nd3 Rf6 22.Nc5 Bf7 23.h5 h6 24.Qe5 Kh8 25.Rb1 a6 (25...Bh5? 26.Rg7 Kg7 27.Ne6 Kg6 28.Nd8 Rd8 29.Rb5+-) 26.Ra3 Bh5 27.Ra6 Ra6 28.Na6 Rg6 29.Nc7 (29.g3!?+=) 29...Bf3 30.Ne6 Rg2 31.Kf1 Qc8 32.Rb3 Be4 (better is 32...Rg6!? 33.Rf3 Qc4 (worse is 33...Qe6 34.Qb5 Rf6 35.d5=) 34.Rd3 Re6 35.Qf5 Qc2 36.Qf8 Kh7 37.Qf5 Rg6 38.Qb5 Rf6+=) 33.Nc5+= Rg5 34.Rb5 (34.Ne4?! fe4 35.Qe4 Rg4+=) 34...Qc6 (34...Bc2?? 35.Rb8 Qb8 36.Qb8 Kh7 37.f3+-) 35.Ne4 fe4 36.Qb8 Kh7 37.Rg5 Qc4 38.Kg2 hg5 39.Qe5 Qc2 40.Qg5 ½–½. Bravo Castillero,Julian – Royo Garcia,Pedro I, CUB–ch11 sf, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Ne4)

    9.0-0 Nf6 10.Qe2 Ne4 11.Qe4 e6 12.a3 a5 13.Re1 Be7 14.ab4 Bb4 15.Ba3? Be1-+ 16.Re1 f6 17.d5 Ra6 18.Nd4 e5 19.f4 Kf7 20.fe5 fe5 21.Ne6 Be6 22.de6 Re6 23.Qb7 Kg6 24.Qe4 Kh6 25.Qe3 Kg6 ½–½. O'Sullivan,Patrick (1690) – Ventimiglia,Chuck (1865), IECC, 1999.

    9.c4 bc3!? 10.Qb3 Qa5 -/+.

    9.c4 Nf6 10.Bc2 e6 11.0-0 Be7 12.Bg5 b5 13.Bf6 Bf6 14.Be4 Rb8 15.c5 0-0 16.Qd2 a5 17.Qf4 Ba6 18.Rfd1 Qe7 19.Ne5 Be5 20.Qe5 Rbc8 21.Rac1 Rc7 22.f4 f6 23.Qh5 f5 24.Bf3 Rd8 25.c6 g6 26.Qh3 Qf6 27.d5 ed5 (27...Rd6 28.Qg3=) 28.Bd5 Kg7 29.Qe3 Ra8 30.Qb6 Qd6 31.Qd4 (31.Be6! Qe7 32.Rd7 (32.Qa5?! Raa7 33.Bd5 Qe3 34.Kh1 Qf4+/-) 32...Rd7 33.cd7+- (33.Bd7?! Bc8=)) 31...Qf6+= 32.Qb6 Qd6 33.Bf3 Qe7 34.Re1 Qf7? (better is 34...Qd8+/-) 35.Bd5!!+- (35.Qa5?! Raa7+-) 35...Qd5 36.Qc7 Kh6 37.Qe7 (37.Qa5 Bb7 38.Qb4 Ra2+=) 37...Qd8 38.c7 Qd4 (38...Qe7 39.Re7 Rg8+-) 39.Kh1 Qf4 40.Re3 (40.Re3 Qg4 41.Rg3+-) 1–0. Buchal,Stephan – Freise,Helmut, FRG–ch, 1974. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 de4 7.Ne4 Ne4 8.Be4 Nd7)

    6.Nbd2 e6

    7.0-0 Nc6 8.Re1 Be7 9.Bb2 0-0 10.Ne5 de4 11.Ne4 Nd5 (11...Nd4? 12.Nf6 Bf6 13.Bd4+-) 12.Qf3 f6 13.Qh3?? (better is 13.Nc6 bc6 14.a3+=) 13...fe5-+ 14.de5 Nf4 (14...h6!? 15.Qg3-+) 15.Nf6 Kf7 (15...Bf6?! 16.Qh7 Kf7 17.ef6+=) 16.Qf3 gf6 (worse is 16...Bf6 17.Qf4 Ke8 18.ef6 gf6 19.a3+=) 17.Qf4 f5 18.Qh6 Rg8 (better is 18...Kg8-+) 19.Bf5-/+ Rg7 (19...ef5?! 20.Qh7 Kf8 21.Qh6 Ke8 22.Qh5 Kf8 23.Qh6 Ke8 24.Qh5 Kf8 25.Qh6=) 20.Bh7 Qh8 21.Qh5 Kf8 22.Re3 Bc5 23.Rh3 Rf7 24.Rf1 (24.Qf7 Kf7 25.Bg6 Kg8 26.Rh8 Kh8+=) 24...Bd4 (better is 24...Bd7!?-/+) 25.Bd4= Nd4 26.Rd1 Nc6 27.Qg5 (27.Qg5 Qh7 28.Rh7 Rh7 29.h4+/-) 1–0. Lapin,Vassily – Wiedenhofer,Anthony E, Australia ch–07, 1963. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6)

    7.0-0 Nc6 8.Re1 Be7 9.e5 Nd7 10.h4 (10.Nb3!?+=) 10...Bh4-/+ 11.Nh4 Qh4 12.Nf3 Qd8 13.Ng5 (13.a3 Qb6-/+) 13...g6 (13...Nd4!? 14.Qh5 g6-+) 14.Qg4 Qe7 15.a3 Nb6 16.ab4 Qb4 17.Ba3 Qd4 18.Qf3 Ne5 19.Qf6 Nf3 20.Qf3 Qg7 21.Rab1 e5?? (21...Bd7 22.Bb2 d4 23.Qb7 0-0+-) 22.Bb5 (22.Rb6 ab6 23.Re5 Be6 24.Re6 fe6 25.Bb5 Kd8 26.Ne6 Kc8 27.Ng7 Ra3 28.Qa3 Kb8+-) 22...Bd7 23.Bd7 (23.Bd7 Nd7 24.Qd5+-) 1–0. Canal Oliveras,Joan – Molina,P, Spain corr, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5)

    7.0-0 Be7 8.Re1 Nc6 9.e5 Nd7 10.Nf1 Nb6 11.Qe2 Na4 12.Bd2 Nc3 13.Bc3 bc3 14.Bb5 Bd7 15.Qd3 Rc8 16.Ng3 Nb4 17.Bd7 Qd7 18.Qd1 Qa4 19.a3 Na6 (worse is 19...Qc2 20.ab4 Qd1 21.Red1= (worse is 21.Rad1 Bb4 22.Rb1 c2 23.Rb4 c1Q 24.Rc1 Rc1 25.Nf1 b6-/+); 19...Nc2 20.Re2+/-) 20.Qd3 (20.Qe2 b5-/+ (20...Ba3?! 21.Reb1=)) 20...Qc4 (better is 20...Ba3!? 21.Reb1 Nb4-/+) 21.Qe3 Nc7 22.Nh5 (22.Reb1 Nb5 23.Rb3+=) 22...Nb5 (better is 22...0-0-/+) 23.Ng7+= Kd7 24.Qf4 Rhf8 25.Nh5 Na3 26.Nf6 Kc7 27.Nh7 Nc2 28.Nf8 Rf8 29.Ra7 Ne1 30.Ne1 c2 31.Qc1 Kb8 32.Ra1 Rc8 (32...Qd4?! 33.Nc2 Qe5 34.Ne1+=) 33.Nf3? (better is 33.Nc2 Qc2 34.Qf4-+) 33...Qc3 (33...Qc3 34.h4 Qa1 35.Qa1 c1Q 36.Qc1 Rc1 37.Kh2 b5-+) 0–1. Engbersen,JFJ – Simmelink,Joop Theo, corr, 1977. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6)

    7.0-0 Be7 8.e5 Nfd7 9.Nb3 b6 10.a3 a5 11.a4 (11.ab4 Bb4 12.Bd2 Bd2 13.Qd2 Ba6+=) 11...Ba6+= 12.Bb5 (12.Be3 Bd3 13.Qd3 Nc6-/+) 12...0-0 (12...Bb5 13.ab5 a4 14.Ne1-/+) 13.Ne1 (13.Ba6 Na6 14.Qd3 Nc7-/+) 13...Qc8 (13...Bb5 14.ab5 a4 15.Qg4-+) 14.f4 (14.Qg4 Kh8 15.Ba6 Na6-/+) 14...f5 (14...Bb5 15.ab5 Qc4 16.f5 ef5 17.Qd3-+) 15.g4 (better is 15.Bd3!?-/+) 15...Bb5-+ 16.ab5 Qc4 17.gf5 ef5 (17...Rf5 18.Ng2 Qb5 19.Ne3-+) 18.Ng2 (18.Qd3!?-/+) 18...Qb5-+ 19.Ne3 Na6 20.Rf3 (20.e6 Ndb8 21.Qh5 g6-+) 20...Nc7 Black prepares the advance a4 21.Rh3 (21.Rg3 a4 22.Qh5 Kh8-/+) 21...g6 22.Bd2 a4 23.Nc1 Rad8 (23...Ne6 24.Qf3 Nd4 25.Qd5 Qd5 26.Nd5-+) 24.Be1 (24.Rb1 Ne6 25.Bb4 Bb4-/+) 24...Nb8 25.Qf3 (25.Nd3 Nc6 26.c3 b3-+) 25...Nc6 26.Ne2 Ne6 27.Rd1 Na5 28.Ng3 (28.Rb1 Nc4 29.Nc3 Qd7 30.Ncd5 Nd4 31.Ne7 Qe7-+) 28...Ng7 (28...Nc4 29.Ngf5 gf5 30.Qg2 Bg5 31.Rf3-+) 29.Rh6 (29.Ne2 Nc4-+) 29...Nc4 30.Nc4 (30.Qe2 Rfe8-+) 30...Qc4 (30...dc4?! 31.d5-+) 31.Qg2 (31.c3 Ne6-+) 31...Ne6 32.Nh5 Rf7 33.Kh1 (33.Rg6 hg6 34.Qg6 Rg7 35.Ng7 Nf4 (35...Ng7?! 36.Rd3-/+) 36.Qf5 Rf8-+ (36...Kg7?! 37.Qf4 Qc2 38.Rd2-/+)) 33...a3 34.Rg6 (34.Bb4 Bb4 35.Nf6 Rf6 36.ef6 Nf4-+ (36...Nd4 37.Rh7 Kf8 38.Qg6 Qf1 39.Rf1 Nc2 40.Qf7)) 34...hg6 35.Qg6 Ng7 (better is 35...Kf8 36.Bf2 Qc2-+) 36.e6 (36.Rd3 Qc8 37.Rg3 Qc2 38.e6 Qe4 39.Rg2 Qe1 40.Rg1 Qe4 41.Rg2-+) 36...Qf1 37.Qg1 Qg1 (37...Qg1 38.Kg1 Ne6-+) 0–1. Heidenfeld,Wolfgang – Foltys,Jan, Marianske Lazne zt, 1951. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6)

    7.e5 Nh5 8.Nb3= g6 9.Ng5 (9.0-0 Qc7=) 9...f5 10.ef6 Qf6 11.Qg4 Kd7 12.0-0 Bd6 13.Re1 The pressure on the backward pawn e6 grows 13...Ng7 14.Re3 (14.Nf3 Nc6+=) 14...Bf4 (14...Nc6 15.Re1=) 15.Re6! Qg5?? (15...Ne6 16.Bf4 Pinning (16.Bf4 Decoy)) 16.Nc5+- Kd8 17.Qg5 Bg5 18.Bg5 Kc7 19.Re7 Kc6 20.Rg7 b6 21.Ne4! Bf5 (21...de4 22.Be4 Double attack) 22.Bf4 de4 (22...Nd7 23.Nd6 Bd3 24.cd3 Nc5+-) 23.Rc7 1–0. Dries,A Jan – Van der Hof,H, NED–ch M corr, 1953. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6)

    7.e5 Nfd7

    8.0-0 Nc6 9.a3 Be7 10.Re1 0-0 11.Bb2 ba3 12.Ba3 Ba3 13.Ra3 Qe7 14.Ra1 a6 0–1. Lambrecht,Roberto – Woischke,Norbert, Copa Centoamericana, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6)

    8.0-0 Nc6 9.Nb3 Be7 10.a3 0-0 11.c3 ba3 12.Ne1 g6 13.Nc2 f6 14.f4 Qb6 15.Na3 (15.ef6!? Rf6 16.Ne3-/+) 15...fe5-+ 16.Rb1 ed4 17.Nd4 Qc5 18.Nab5 Nd4 19.Ba3?? (better is 19.cd4 Qb6 20.Qc2-/+) 19...Nb5-+ 20.Bc5 Bc5 21.Kh1 Nc3 22.Qc2 Nb1 23.Bg6 (23.Qb1 Rf7-+) 23...Na3 24.Qd3 (24.Bh7 Kf7 25.Qe2 Nc4-+) 24...Rf6 25.Bh7 Kh8 (25...Kg7 26.Rf3-+) 26.Rf3 e5 (better is 26...Kg7-+) 27.Rg3 e4 28.Qd5 Rf8 29.Qg5 1–0. Dries,A. Jan – Sarink,Hendrik Bartus, Netherlands ch, 1960. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6 7.e5 Nfd7)

    8.0-0 Nc6 9.h3 Nb6 10.Re1 Be7 11.Qe2 (better is 11.a4+=) 11...Kd7 (better is 11...Na4!?+=) 12.a3 Kc7 (12...Ke8 13.Nb3+=) 13.Nb3 Bd7 (13...Qf8 14.ab4 Nb4 15.Bd2+/-) 14.ab4+/- Nb4 15.Ba3 Nd3 16.cd3 Ba3 17.Ra3 Bb5 18.Qd2 Qe7 (18...a6 19.Rc1 Kb8 20.Qc3+/-) 19.Nc5 Rhc8 20.Qb4 Bd3?? (better is 20...Bc6 21.Rea1 Nd7 22.Ra7 Ra7 23.Ra7 Nc5 24.dc5 Kd8+/-) 21.Rd3 (21.Nd3?! Qb4 22.Nb4 a5 23.Rc1 Nc4+=) 1–0. Podinic,Bojan (2270) – Jovanovic,Zoran Z (2335), Beograd SER, City 1st League, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5)

    8.Nf1 Be7 9.Ng3 0-0 10.Nh5 f5 11.Nf4 Nb6 12.h4 g6 (12...Qc7 13.Rb1-/+) 13.g4 (13.Nh3 Qc7=) 13...Nc6 (13...fg4 14.Ng5 Bg5 15.hg5 Qc7-/+ (15...Qg5?? 16.Ng6 g3 17.Nf8+-)) 14.g5= Kg7 15.h5 Rh8 (15...Bg5?? 16.Ng5 Nd4 17.hg6+-) 16.Be3 Na4 (16...Bg5?? 17.Ng5 Qe8 18.hg6 hg6 19.Rh8 Qh8 20.Qf3+-) 17.Kf1 (17.c4!? Nc3 18.Qc2=) 17...Nc3+= (17...Bg5? 18.Ng5 Kg8 19.Rg1+-) 18.Qd2 Ne4 (18...Bg5? 19.Ng5 Qe8 20.a3+-) 19.Be4 (19.Qc1 Bd7-/+ (19...Ng5? 20.Ng5 Nd4 21.Nh7+-)) 19...de4 20.Nh4 Bg5 21.Ne6 Be6 22.Bg5 Bc4 23.Kg1 Qd4 24.Bf6 (24.Qd4!? Nd4 25.hg6-/+) 24...Kf7 25.Qh6? (25.Qd4!? Nd4 26.Bh8 Rh8 27.Kg2-+) 25...Qa1-+ 26.Kh2 (26.Kg2 Qe5! 27.Qg7 Ke6 28.Be5 Ne5 29.hg6 Rag8 30.Qb7 hg6 (30...Ng6?! 31.Qc6 Ke5 32.Qc4 Nh4 33.Kf1=) 31.Qa7 Bd5 32.Qb6 Bc6-+) 26...Qe5! 27.Be5 Ne5 (27...Ba2?? 28.hg6 Ke7 29.Qg5 Ke8 30.Bh8 hg6 31.Ng6+-) 28.Kg3 (28.Qd2 Ng4 (28...gh5?! 29.Qb4 Kf6 30.Qb2-/+) 29.Kg3 Ba2 30.Qd7 Kf6 31.Qd6 Be6 32.Qd4 Ne5=) 28...Rae8 (28...Ba2 29.Kf4 Rae8 30.Rg1+=) 29.Kf4 1–0. Lundholm,Stig Gustav – Knip,W, corr, 1984. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6 7.e5 Nfd7)

    8.Nf1 Be7 9.h4 h6 10.g4 Nc6 11.h5 Nf8 12.Ng3 Bd7 13.Be3 Qa5 14.g5 (better is 14.Bd2!?-/+) 14...hg5-+ 15.Kf1 f6 16.Kg2 (16.Ke1 Rc8-+) 16...0-0-0 17.ef6 gf6 18.h6 Be8 19.Qe2 Qc7 20.h7? (20.Rab1 g4 21.Nd2 f5-+) 20...Rd7 21.a3 ba3 22.c4 dc4 23.Bc4 Bd8 (better is 23...Kd8!? 24.Rh6-+) 24.Ra3 Rdh7 25.Rc1 (25.Rh7 Qh7 (25...Nh7?! 26.Be6 Bd7 27.Bd7 Qd7 28.Qc4-/+) 26.d5 Be7-+) 25...g4 26.Ng1 Rd7 (better is 26...Be7!? 27.Raa1 f5 28.d5-+) 27.Bb5 Qb8 28.Rc6 bc6 29.Ba6 Rb7! 30.d5 (30.Bb7 Qb7 Combination) 30...cd5-+ (30...ed5?! 31.Rb3 Bb6 32.Bb6 ab6 33.Rb6+= (worse is 33.Qe8 Kc7 34.Qe7 Nd7 35.Bb7 Qb7=)) 31.Qc2 (better is 31.Bb7 Qb7 32.Ra7-+) 31...Bc7 32.Rb3 (32.Bd4 Ng6 33.Bb7 Qb7 (33...Kb7?! 34.Ba7 Nf4 35.Kf1 Bb5 36.Ke1-+) 34.Ra7 Nf4 35.Kf1 Bg6 36.Rb7 Bc2 37.Bf6 Rf8 38.Rc7 Kc7 39.Be5 Kd7 40.Bf4 Rf4-+) 32...Ba4 33.Nf5 (33.Bb7 Qb7 34.Rb7 Bc2 35.Ra7-+) 33...Bb3 34.Qc6 Rh2 (34...ef5?! 35.Qe8 Bd8 36.Qc6 Bc7 37.Qe8 Bd8 38.Qc6 Bc7=) 35.Kf1 Bc4! (35...ef5?! 36.Qe8 Bd8 37.Qc6 Bc7 38.Qe8 Bd8 39.Qc6 Bc7=) 36.Ke1 (36.Bc4 Rb1 Deflection (36...Rb1 Decoy; 36...ef5 Zwischenzug)) 36...Kd8 37.Bb7 Rh7 38.Bc5 (38.Bd4 Rd7 39.Qc5 Ke8 40.Qa7 Qa7 41.Ba7 Ba5 42.Kd1 Kd8-+) 38...Ba5 (38...ef5?? 39.Qf6 Kd7 40.Qf5 Ne6 41.Qh7 Ng7 42.Qg7 Ke6 43.Bc8 Qc8 44.Qg4 Kf7 45.Qc8 Ba5 46.Kd1+-) 39.Kd1 Bb3 (39...ef5?! 40.Qf6 Kd7 41.Bc6 Kc8 42.Qf8 Kc7 43.Bd6 Kc6 44.Bb8=) 40.Kc1 Qf4 (40...Rb7 41.Bd6 Ba4 42.Bb8 Bc6-+ (42...Rb8?! 43.Qa4 Bb6 44.Ne3+=)) 41.Kb2 Qd2 (better is 41...Bc7!? 42.Kb3 Qf5 43.Bf8 Qb1 44.Ka4 Qg1 45.Ba6 Qd1 46.Kb5 Qb3 47.Bb4 Qd3 48.Ka4 Qd1 49.Kb5 Qf1 50.Ka4 Qa1 51.Ba3 Qd1 52.Kb5 Qe2 53.Ka4-+) 42.Kb3 Rb7! 43.Qb7 Qc3 (43...ef5?! 44.Qe7 Kc8 45.Qf8 Kb7 46.Qe7 Bc7 47.Ne2 Qd3 48.Nc3-/+) 44.Ka2 Qc5 (44...Qc5 45.Qb8 Kd7-+; 44...ef5?! 45.Qb8 Kd7 46.Qb7 Bc7 47.Qd5 Kc8 48.Qa8 Bb8 49.Qc6 Bc7 50.Qa8 Kd7 51.Qd5 (51.Qf8?? Be5 52.Qf7 Kc6 53.Qe6 Kc5 54.Qc8 Kb6 55.Qe6 Qc6 56.Qb3 Qb5-+) 51...Kc8 52.Qa8=) 0–1. Ozsvath,Andras (2340) – Schneider,Attila (2360), Elekes Memorial–A, 1981. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6 7.e5 Nfd7)

    8.Nf1 h6 9.Ng3 Nc6 10.Nh5 Nb6 11.Qd2 Bd7 (11...Qc7 12.0-0+=) 12.Qf4= Qe7 13.a3 Nc4 14.0-0 Na3 15.c3 (15.Qg3 g6 16.Nf6 Kd8 17.Ba3 ba3=) 15...a5 (15...Nc4!?-/+) 16.Ba3 ba3 17.Rfb1 Nb4?? (better is 17...Bc8+=) 18.cb4+/- ab4 19.Qd2 (19.Qg4!?+/-) 19...Ba4+= 20.Qe2 Qd7 21.Nd2 0-0-0? (better is 21...Qc7+/-) 22.Nb3+- b6 23.Nc1 Kb8 24.Qd2 Kb7 25.Rb4 Bb4 26.Qb4 Ra8 27.Ng7 (27.Ra3 Rhc8 28.Qb2 Qe7+-) 27...Rhc8 (27...Qc7 28.Ne2+- (28.Qa3?! Rhg8+=)) 28.Ne2 (28.Qa3?! Bb5 29.Qb2 Bd3 30.Nd3 Qb5+=) 28...a2 29.h3 (29.Nc3 Qc7 30.Na2 Bc2+-) 29...Bc6 (29...Bc2 30.Bb5 Qc7 31.Kh2+-) 30.Nc3 (better is 30.Nh5!? Ra4 31.Qb2 Rca8+-) 30...Qd8 31.Nh5 (31.Ra2?! Ra2 32.Na2 Qg5+/-) 31...Qf8 32.Qf8 Rf8 33.Ra2 (worse is 33.Na2 Ra3 34.Bb1 b5+=) 33...Ra2 34.Na2 Ra8 35.Nb4 Ra4 36.Nc6 (36.Nc2 b5 37.f4 b4+=) 36...Kc6+= 37.Bh7 Rd4 38.g3 b5 39.Kf1 b4 40.Nf4 b3 41.Nd3 Ra4 42.Bg8 Ra7 43.h4 (43.Ke1!?-/+) 43...Kb5-+ 0–1. Littlewood,J – Rochlin,Y, corr, 1970. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.Nbd2 e6 7.e5 Nfd7)

    6.e5 Ne4

    7.0-0 e6 8.Bb2 Nc6 9.Qe2 b6 10.Be4 de4 11.Qe4 Bb7 12.Nbd2 Qd7 13.Rfd1 Ne7 14.Qd3 Nd5 15.Ne4 Be7 16.Bc1 h6 17.Ne1 Qc6 18.Qg3 g5 19.a3 ba3 (19...Nc3 20.Nc3 Qc3 21.Qc3 bc3 22.Rb1+=) 20.Nd6 (20.Qb3 b5 21.Ba3 b4=) 20...Bd6+= 21.ed6 0-0-0 (21...Kd7 22.Qf3 (worse is 22.Ba3 Nc3 23.Qe5 Nd1-/+) 22...f6 23.Qh5=) 22.Ra3 (worse is 22.Ba3 Nc3 23.Rd2 Ne4-/+) 22...Qd6 23.Ra7? (better is 23.Qb3 a6 24.c4=) 23...Qg3-+ 24.fg3 Nc3 25.Rd2 Rd4! 26.Ra3 Nb5 27.Rd4 Nd4 28.Bb2 Rd8-+ 29.Rd3 e5 30.Kf2 f6 31.Nf3 Ba6 32.Ra3 Kb7 33.Nd4-/+ ed4 34.Ra4 Rc8 35.Bd4 Rc2 36.Kf3 f5 37.Bg7 Bb5 38.Rb4 Bc6 39.Ke3 Rg2 40.Bh6 g4 41.Bg7 Rh2 42.Be5 b5 43.Rb2 Rh1 44.Kd2 Rf1 45.Ke2 Rf3 46.Kd2 Kb6 47.Bd4 Ka5 48.Bc5 Bd5 49.Rb1 Ka6 50.Bd6 Be4 51.Ra1 Kb6 52.Ra3 Kc6 53.Rf3 gf3 54.Be7 Kd5 55.Ke3 Kc4 56.Bd6 Kc3 57.g4 fg4 0–1. Momeni Roudsari,Hadi – Marjanovic,Slavoljub, Wch U20 fin–A, 1973. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3)

    7.0-0 e6 8.Qe1 Be7 9.a3 ba3 10.Be4 de4 11.Qe4 Bd7 (11...a2!? 12.Nc3 Qc7=) 12.Qb7+/- Bc6 13.Qb3 g5 14.Rd1 (14.Na3?! g4 15.Ne1 Qd4+=; 14.Ba3?! Ba3 15.Na3 g4+/-) 14...Nd7 15.Ba3 g4 16.Ne1 Nb6 17.Be7 Qe7 18.c4 0-0 19.Nc3 Rfb8 20.Nc2 Na4 21.Nb5 a6 22.Ra4 (worse is 22.Qa4 ab5 23.Qb4 Qb4 24.Nb4 Ra1 25.Ra1 Be4+-) 22...ab5 23.Ra8 Ba8 24.Ne3 h5 25.cb5 Qd7 (25...Bc6 26.Qc3 Bb5 27.d5+-) 26.b6 (better is 26.d5!? Kg7+-) 26...Qd8 27.d5 Rb6?? (27...ed5 28.Ra1 d4+/-) 28.de6 (28.de6 Rb3 29.Rd8 Kg7 30.h4 fe6 31.Ra8 Rb1 32.Kh2+-) 1–0. Schlenker,Joerg – Huenerkopf,Heinz (2305), Baden–Bayern tt, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6)

    7.0-0 e6 8.Re1 Nc6 9.Be4 de4 10.Re4 b6 11.c4 bc3 12.Nc3 Bb7 13.Qa4 Qd7 14.Bg5 h6 15.Bh4 Nb4 16.Qd7 Kd7 17.d5 (17.Rf4!? Ke8 18.Nb5-/+) 17...Nd5 18.Rd1 Rc8 19.Nd5 Bd5 20.Re2 Rc4 21.h3 Bc5 22.Bg3 Rc8 23.Ne1 Ke7 24.Nd3 Ba3 25.Nf4 Rc1 26.Nd5 ed5 27.Rc1 Rc1 28.Kh2 Ke6 29.f4 Rc4 30.Rd2 g6 31.h4 Bc1 32.Rf2 h5 33.Rf3 Kf5 34.Kg1 Bf4 35.Bh2 Ke5 36.g3 Rc1 37.Kg2 Rc2 38.Kh3 Bc1 39.Rf7 Ra2 40.Rf1 Rc2 0–1. Campos Ruiz,Alberto – Scheichel,Herbert, Wch U20 fin–B, 1973. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3)

    7.0-0 Bg4 8.h3 Bh5 9.g4 Bg6-/+ 10.a3 e6 11.ab4 Bb4 12.Ba3 Ba3 13.Na3 0-0 14.Nb5 Nc6-+ 15.Be4 de4 16.Ne1 Qh4 17.Kh2 f5 18.Ng2 Qh6 19.Ne3 fg4 20.Ng4 Qh4-+ 21.Ra3 h5 22.Ne3 Rf3 23.Nc4 Raf8 (23...Raf8 24.Kg1 Qg5 25.Kh1 e3 26.Re3 Be4 27.Rf3 Rf3 28.Kh2 Qf4 29.Kg1 Rg3 30.fg3 Qg3) 0–1. Burgin,Robert (1630) – Maltez,Nuno, IECC, 1998.

    7.0-0 g6 8.Qe1 Nc6 9.a3 Qb6 10.Be4 de4 11.Qe4 Bf5 12.Qe3 Bc2 (12...Rd8 13.ab4 Bc2 14.b5 Qb5 15.Na3=) 13.ab4 (13.d5!? Nd8 14.Nd4=) 13...Nb4+= 14.Na3 Rc8 15.Bd2 (15.Nc2?? Nc2 (worse is 15...Rc2 16.Qb3 Rc6 17.d5+/-) 16.Qf4 Na1-+) 15...Nd5 16.Qe2 e6 17.Nc2 Rc2 18.Qd3 Rc6 (18...Rb2 19.Rfc1=) 19.Ba5 (better is 19.Rfb1!? Bb4 20.Bb4 Nb4 21.Qa3+/-) 19...Qa6= 20.Qd2 Rc4 21.Rfc1 b5 22.Rc4 bc4 23.Qb2 Nb6 (23...Bg7 24.Bc7 Qc6 25.Bd6+/-) 24.Bd2 Qb7 25.Qb5 Qd7 26.Qd7 Kd7 27.Ra7 Kc6 28.Rf7 (28.Ng5 Nc8 29.Ra6 Kb7+=) 28...Nd5+= 29.Ne1 c3 30.Bc1 Bb4 31.Nc2 Ra8 32.Rf3 (32.Rh7 Ra2 33.Nb4 Nb4 34.Rh3-/+) 32...Kb5 33.Kf1 Ra2 34.Ne1?? (better is 34.Nb4 Kb4 35.Ke1-+) 34...Ra1-+ 35.Nd3 Ba3 0–1. Knudsen,Jes West (1990) – Henrichsen,Jens (1990), Budapest FS11 FM–A, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4)

    7.a3 Nc6 8.ab4 Nb4 9.Ba3 Nd3 10.cd3 Qa5 11.Kf1 +=.

    7.a3 Nc6 8.ab4 Nb4 9.Ba3 e6 10.0-0 Nd3 11.cd3 Ng5 12.Ng5 Qg5 13.Bf8 Rf8 14.Nc3 Bd7 15.Qb3 b6 16.Nb5 Bb5 17.Qb5 Ke7 18.f4 Qg6?? (better is 18...Qh4 19.g3 Qg4=) 19.Qb4+- Ke8 20.Rac1 f5 (20...Qd3 21.Rc7 Qd4 22.Qd4 Rc8 23.Qa4 b5 24.Qb5 Kd8 25.Qd7) 21.Rc7 Rf7 22.Rfc1 Rc7 23.Rc7 (23.Rc7 Qf7 24.Qb5 Kf8 25.Rf7 Kf7 26.Qd7 Kf8 27.Qe6+-) 1–0. Zedtler,Uwe – Baas,Holger, DESC, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4)

    7.a3 Nc6 8.ab4 Nb4 9.Ba3 e6 10.0-0 Be7 11.Qe1 (better is 11.Be4!? de4 12.Nfd2+=) 11...Nd3+= 12.cd3 Ng5 13.Ng5 Bg5 14.Nc3 Bd7 15.f4 Be7 16.Be7 Qe7 17.f5 (better is 17.Qb1 0-0 18.Qb7=) 17...Qb4-/+ (17...ef5?! 18.Nd5 Qd8 19.Qg3=) 18.Kh1 ef5 (18...Qd4 19.fe6 fe6+= (worse is 19...Be6 20.Nb5 Qc5 21.Nd6 Kf8 22.Rc1+/-)) 19.Rb1?? (better is 19.Nd5 Qe1 20.Rfe1=) 19...Qd4-+ 20.Rb7 Rd8 21.e6 fe6 (21...Be6!? 22.Ne2 Qf6-/+) 22.Nb5 Qc5?? (better is 22...Qd3 23.Rf5 Qf5 24.Nd6 Kf8 25.Nf5 ef5+=) 23.Nc7+- Kf7 24.Ne6 Qd6 25.Rf5 Kg8 (25...Kg6 26.Rf4 Qf4 27.Nf4 Kf5 28.Nd5 Rhe8+-) 26.Nd8 Bf5 (26...h6 27.Rf7 Qg6 28.Rbd7 Kh7 29.Rg7 Qg7 30.Rg7 Kg7 31.Qe7 Kg6 32.Qe6 Kg5 33.Nf7 Kf4 34.Qh3 Re8 35.Qf3) 27.Nf7 (27.Qe8 Qf8 28.Ne6 Be6 29.Qe6 Qf7 30.Qf7) 27...Qc6+- 28.Rc7 Qa8 (28...Qe6 29.Qh4 Qe8+-) 29.Qe5 Qc8 (29...Bd7 30.Nh6!! gh6 31.Rd7 Qf8 32.Qd5 Qf7 33.Qf7) 30.Nh6!! (30.Nh6 gh6 31.Qg7) 1–0. Brestian,Egon (2440) – Miniboeck,Guenter (2360), AUT–chT, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4)

    7.Qe2 Nc6 8.Be4 de4 9.Qe4 Be6 10.Nbd2 Bd5 11.Qd3 h6 12.Bb2 e6 13.0-0 a6 14.Ne4 b5 15.Nfd2 Na5 16.Qg3 Rc8 17.Nd6 (better is 17.Rfc1!?+=) 17...Bd6-/+ 18.ed6 Rc2 19.Bc1 (19.Qg7 Rf8 20.Bc1 A) 20...Ra2? 21.Ra2 Ba2 22.Ne4+-; B) 20...Ba2? 21.Ne4 Kd7 22.Bh6+- (22.Qh6?! Nb3 23.Nc5 Rc5 24.dc5 Na1+=); C) 20...Qd6-/+) 19...Qg5-+ 20.Qg5 hg5 21.Nb3 Bb3 (21...Nb3 22.ab3 Rc6 23.Bg5 Bb3 24.Rfb1-+) 22.ab3 Nb3 23.Ra6 Nc1 (23...Rc1 24.Rc1 Nc1 25.Ra8 Kd7 26.Rh8-+) 24.Ra8 Kd7 25.Rh8 b3 (25...Kd6?! 26.g3-+) 26.Rb8 b2 (26...b2 27.Rb5 Ne2 28.Kh1 Rc1-+) 0–1. Beier,Klaus – Eckstein,Bernd, Bayern–ch Wuerzburg, 1995. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 d5 6.e5 Ne4)

    7.Qe2 e6 8.0-0 Be7 (8...Bd7 9.a3=) 9.a3 Nc3 10.Nc3 bc3 11.Rb1 0-0 12.Rb3 Nd7 13.Rc3 f5 (13...a6!?+=) 14.ef6!+/- Nf6 (14...Nf6 15.Ng5 Combination; 14...Bf6 15.Qe6 Double attack (15.Qe6 Discovered attack); 14...Rf6 15.Bg5 Decoy; 14...gf6 15.Qe6 Double attack (15.Qe6 Discovered attack)) 15.Ng5 Qb6 16.Re1 Re8?? (16...Bd6 17.Rc8! Rac8 18.Qe6 Kh8 19.Nf7 Rf7 20.Qc8 Rf8 21.Qc3+/-) 17.Nh7! (17.Ne6?! Be6 18.Qe6 Qe6 19.Re6 Kf7+/-) 17...Qd4 (17...Nh7 18.Qh5 Double attack (18.Qh5 Decoy)) 18.Rc8! Rac8 (18...Rac8 19.Nf6 Double attack; 18...Rec8 19.Qe6 Double attack) 19.Qe6 Kh8 20.Ng5 Qh4?? (20...g6 21.Re3 Qg4 22.Rh3 Qh3 23.Qh3 Nh5 24.Bb2 d4 25.Bg6 Kg7 26.Qh5 Bg5 27.Qh7 Kf6 28.Bd4 Ke6 29.Bf5 Kd5 30.Qd7 Kc4 31.Bd3) 21.Nf7 Kg8 22.Nh6 Kh8 23.Qg8!! Ng8 (23...Rg8 24.Nf7#; 23...Ng8 24.Nf7) 24.Nf7 1–0. Felbecker,Hans – Fitzon,H, EU–ch M164 corr, 1969. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4)

    7.Ng5 Ng5 8.Bg5 Qb6 9.0-0 Nc6 10.Be3 Bd7 (10...Nd4? 11.Bd4 Qa5 12.a3+-) 11.Nd2 e6 (11...Nd4? 12.Nb3+-) 12.Kh1 Be7 (12...Nd4? 13.Nb3+-) 13.Rb1 Qc7 (13...Nd4? 14.c3+-) 14.f4 (14.Qg4 g6+=) 14...g6 15.Qf3 h5 16.Qe2 a6 17.Nf3 Na5 (17...b5 18.Rfc1+=) 18.Ng5 (18.Bd2!?=) 18...Nc4+= 19.Bc1 b5 20.g4 (20.Be3 Qa5-/+) 20...Bg5 (better is 20...hg4!? 21.Qg4 Rg8-+) 21.fg5+= Bc6 (21...hg4!? 22.Qg4 a5=) 22.Rb4 0-0-0 (22...hg4 23.Qg4 Qe7 24.Rb3=) 23.c3 (23.Kg2!?+=) 23...hg4= 24.Qg4 Ne5 25.de5 Qe5 (better is 25...d4 26.Kg1 Qe5+=) 26.Bf4?? (better is 26.Qg2+/-) 26...d4-/+ 27.Kg1 Qc5 28.Bg3? (better is 28.Rf2 dc3 29.Be4-+) 28...dc3-+ 29.Bf2 Qe5 30.Qf4 Qf4 31.Rf4 Rd3 32.Rf7 c2 33.Bb6 Rg3! 34.Kf2 (34.hg3 Rh1 Promotion) 34...Rf3! 35.Rf3 Bf3 36.Kg3 Be4 37.h4 Kb7 38.Be3 Rd8 39.Rf7 (39.Kf2 Rd1 40.a3 e5-+) 39...Kc6 40.Kf2 Rd3 41.Bc1 Rd1 42.Be3 Rh1 (42...c1Q!? 43.Bc1 Rc1 44.Ra7-+) 43.Ra7 c1Q 44.Bc1 Rc1 45.Ra6 Kd5 46.a4 ba4 47.Ra4 Rc3 48.Ra5 Kd4 49.Ra7 (49.Ra6 Ke5 50.Ra7 Rh3-+) 49...Rh3 50.Rh7 Ke5 0–1. Grob,Henry – Lehmann,M, FSZ der NZZ corr Switzerland, 1940. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4)

    7.0-0 Nc6

    8.a3 Qb6 A) 9.ab4 Nb4 10.Be4 (10.Qe2 Bf5 11.Bb5 Kd8 12.c4 dc4 13.Bc4 Rc8 14.Bb2 Nc2 15.Ra2) 10...de4 11.Ng5 Bf5 12.Nc3 Qc6 13.Qd2 e6 14.Ba3 a5 15.g4; B) 9.Be3 Bg4 (9...Bf5 10.Nh4 g6 11.Be4 Be4 12.Nd2 Bf5 13.ab4 Be6 14.c3 Bg7 15.Qa4) 10.Nbd2 Nc3 11.Qe1 a5 12.h3 Bh5 13.e6 fe6 14.Ng5 Rc8 15.Ne6.

    8.a3 Nc3 9.Qe1 Nb1 10.Rb1 Bg4 11.ab4 Bf3 12.gf3 Nd4 13.Qe3 Nc6 14.b5 Na5 15.e6 fe6 16.Qe6 Qd7 17.Bf5 Qe6 18.Be6 Rd8 19.Rd1 (19.Ra1 b6 20.Bf4+/-) 19...d4? (better is 19...Rd6 20.Re1 Nc4=) 20.Bf4+/- b6 21.Bc7 Rd6 22.Bd6 ed6 23.Rd4 Be7 24.Re1 Rf8 25.Re3 (25.Rd3!? Rf4+-) 25...Kd8 26.Bh3 Nb7 27.Ra4 Na5 (27...Bg5 28.Rc3 Nc5 29.Ra7+-) 28.Rae4 (better is 28.Rc3!? Ke8 29.Rc7 d5+-) 28...Bf6 29.Rd3 Kc7 30.Be6 Be5 31.Kg2 h6 32.h4 Rf6 33.Bd5 Rg6 (33...Kd7+-) 34.Rg4 Rg4 35.fg4 Kd7 (35...g5 36.hg5 hg5 37.Rh3+-) 36.Kf3 (36.Rf3 Bf6+-) 36...Ke7 37.Ke4 g5 (37...Ke8 38.f4 Bb2 39.c4+-) 38.hg5 hg5 39.Rh3 Bg7 (39...Kf6 40.Rh7 Bc3 41.Ra7+-) 40.Kf5 Bd4 41.Rh7 Kd8 42.f3 (better is 42.Kg5 Bf2 43.Kh5 Bd4+-) 42...Ke8 (42...Be3 43.Ke4 Bf4 44.Ra7+-) 43.Ra7 (better is 43.Kg5 Bf2+-) 43...Be3 44.Ke6 Kd8 45.Kd6 Ke8 (45...Bf4 46.Ke6 Kc8+-) 46.Ra8 1–0. Paczka,Patryk – Stypka,Zbigniew (1940), XVIII MFSz Poznan Poland, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4 7.0-0 Nc6)

    8.Qe1 Bf5 9.e6 (better is 9.Nh4!? Bd7 10.Be4 de4 11.Qe4+=) 9...Be6-/+ 10.a3 Qa5 11.Nbd2 Bf5 12.Ne4 de4 13.Be4 e6 14.Bd2 Rd8?? (better is 14...Be4 15.Qe4 Qd5 16.Qd5 ed5 17.ab4 Bb4 18.Bb4 Nb4+=) 15.ab4+- Qb5 16.c4! Qc4 17.Bf5 Nb4? (17...Nd4 18.Nd4 Qd4+-) 18.Ne5 Qd4 19.Nf7 Qd2 20.Qe6 Be7 21.Nd8 Qd8 22.Bh7! Qd5 (22...Rh7 23.Qg8) 23.Bg6 Kf8 24.Qd5 (24.Qc8 Bd8 25.Rfe1 Qg2 26.Kg2 Rh2 27.Kh2 Nd3 28.Qd8) 24...Nd5 25.Ra7 Bd8 (25...Kg8 26.Ra8 Bf8 27.Re1+-) 26.Re1 (better is 26.Rb7 Rh6 27.Rb8 Nc3 28.Rd8 Ke7 29.Re8 Kd7+-) 26...Ne7 27.Ra8 Ng6 28.Rd8 Kf7 29.Rh8 Nh8 30.Rb1 1–0. Enders,Peter – Schwibbe,Rudolf, DDR–ch M619 corr, 1978. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4 7.0-0 Nc6)

    8.Re1 e6 9.Be4= de4 10.Re4 Be7 (10...Qd5 11.Nbd2= (11.Rg4 b5=) 11...Be7=; 10...b5 11.Bg5 Qd5=) 11.Rg4+= g6 (11...Bf8+=) 12.Bh6 b6 (12...f5 13.ef6 Bf6 14.Re4+=) 13.Nbd2 Bb7 14.Ne4 Qd5 (14...Qc7!?+/-) 15.Bg7 Rg8 (15...h5 16.Rf4 Rg8+-) 16.Nf6 (better is 16.Bf6!? Rf8 17.Be7 Ke7 18.Qd2+-) 16...Bf6+= 17.Bf6 h5 18.Rh4 (18.Rg5 b5+/-) 18...Na5 (18...g5 19.Rh5 (19.Ng5? Ne5 20.f3 Ng4-+; worse is 19.Bg5 Ne5 20.de5 Qd1 21.Rd1 Bf3 22.gf3 Rg5 23.Kf1 Re5-/+) 19...g4 20.Ne1=) 19.Rc1 (19.h3 Nc4+=) 19...Rc8 (19...Qa2 20.Ne1=) 20.Qf1 (20.Ra1 g5 21.Rh5 g4=) 20...Nc4 (20...Qa2 21.Qb5 Nc6 22.Qd3=) 21.Rd1 (21.Qe1 Qa5 22.Ng5 Na3+=) 21...a5 (21...Na3!?+=) 22.Ng5= Qb5 (22...Nb2 23.Rc1 Qc4 24.Qc4 Rc4 25.Nh7=) 23.Ne4 (23.Nh7 Na3 24.Qb5 Nb5=) 23...Be4= 24.Re4 Qd5 25.f3 (25.Re2 b5=) 25...Kd7 (better is 25...b5+=) 26.Rc1? (better is 26.Bg5!?=) 26...Nd2-/+ 27.Qd3 Ne4 28.fe4 Qc4 (28...Qa2 29.d5 ed5 30.Qb5 Kc7 31.ed5-/+) 29.Qd2 Qc3 (29...Qa2 30.Qf2-+) 30.Qe2 (better is 30.Qf2-/+) 30...Qc4 31.Qd2 Kc7 (31...Qa2 32.Qf2-+) 32.d5 (32.Qf2 Qa2 33.Bg5 Qc4-/+) 32...Kb7 (better is 32...Qe4 33.d6 Kd7-+) 33.d6= Qe4 34.d7 Rcd8 (34...Rc5 35.d8R Rd8 36.Bd8-/+) 35.Bd8 (35.Rd1!?=) 35...Rd8-/+ 36.Rd1 (36.c3 Qd5 37.Qe1 bc3 38.Qc3 Qd7 39.Qf3 Qd5 40.Qf7 Rd7-/+) 36...Qd5! 37.Qe2 (37.Qd5 ed5) 37...Qc6 (37...Qc5!? 38.Kf1 Kc7-/+) 38.Rd6+= Qc7 (38...Qc5 39.Kh1+=) 39.Qf3= Ka7 40.Qf7 Qc5 41.Qf2 Qc7 (41...Kb7 42.Qc5 bc5 43.Kf2=) 42.Qf7 (worse is 42.Re6 Rd7 43.h3 Re7 44.Re7 Qe7=) 42...Qc5 43.Qf2 Qf2 (better is 43...Qc7!?=) 44.Kf2+/- Kb7 45.Ke3 (45.Kg3 Kc7 46.Kh4 Rf8 47.d8Q Rd8 48.Rd8 Kd8+-) 45...Kc7 (45...g5 46.g4 h4 47.Ke2+=) 46.Re6 Rd7 47.Rg6 Rd1 48.Rh6 (48.Rg5 h4+/-) 48...a4 (better is 48...Re1!? 49.Kd4 Re2 50.Rh5 Rd2 51.Ke4 Rc2+=) 49.Rh5+- Kc6 (49...Ra1 50.Rh4 Ra2 51.Rb4 Rc2 52.Ra4 Rg2 53.h4+-) 50.h4 (50.Rh4 Kc5+-) 50...a3 (50...Ra1 51.Rh6 Kc5 52.e6+-) 51.e6 (51.g4 Ra1 52.Rh6 Kc5+-) 51...Re1 52.Kd2 Re6 53.g4 Rd6 54.Kc1 (54.Ke2 b5+-) 54...Rd4 55.g5 Rg4 56.Rh6 (56.Kd2 Rg2 57.Kd3 b3 58.cb3 Ra2+=) 56...Kc5 (56...Kd5 57.Rb6 Rh4 58.g6+/-) 57.g6 (57.Kd2 Rg2 58.Kd3 b3 59.cb3 Ra2+=) 57...Kc4 (better is 57...Kd4!? 58.Kd2 Rg2 59.Ke1 b3 60.cb3 Ke3+/-) 58.Kd2+- Rg2 59.Ke3 Kc3 60.h5 (60.Kf3 Rg1 61.g7 Rg7 62.Rc6 Kb2 63.Rb6 Rf7 64.Ke4 Re7 65.Kd4 Rd7 66.Ke3 Kc3=) 60...Kb2 (60...Kc2 61.Rh8 b3 62.ab3 a2-/+) 61.Rh7 Ka2 62.Ra7 Kb2 63.g7 Kc2 (63...Rg3 64.Kf4 Rg7 65.Rg7 a2+-) 64.h6 b3 65.h7 Rg3 66.Kf4 Rd3 67.g8Q b2 68.Qc8 (68.h8Q Rc3 69.Qhh7 Kd1 70.Qg1 Ke2 71.Qe4 Kd2 72.Qge1) 68...Rc3+- 69.Ra3 (69.Qf5 Kc1 70.h8Q Rc5 71.Qh1 Kd2 72.Qd7 Rd5 73.Qhd5 Kc2 74.Qd3 Kc1 75.Rc7) 69...Rc8-+ 70.Rh3 (70.Ra2 Kc1 71.Rb2 Kb2-+) 70...Rh8 (70...Rf8 71.Kg5 b1Q 72.Rh2 Kd3 73.Rh3 Ke2 74.Rh2 Kf3 75.Rh3 Kg2 76.Rh2 Kh2 77.h8Q Rh8 78.Kf4 Rh5 79.Ke3 Rd5 80.Kf4 Qd3 81.Kg4 Qe4) 71.Rh2 Kb3 72.Rh1 Ka2 73.Rh2 (73.Ke5 b1Q 74.Rb1 Kb1-+) 73...Ka1 74.Kg5 (74.Rh1 b1Q 75.Rb1 Kb1 76.Ke5-+) 74...b1Q 0–1. Raetsky,A (2390) – Petrosian,TL (2535), ACP Blitz Prelim3, playchess.com INT, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4 7.0-0 Nc6)

    8.Re1 Bg4!?+= 9.Be4 de4 10.Re4 Bf3 11.Qf3 Nd4 -/+.

    8.Re1 Bg4 9.h3 Bf5 (9...Bf3!? 10.Qf3 Nd4-/+) 10.Nh4+= Bd7 (10...Nd4? 11.Nf5 Nc6 12.Bb2+-) 11.Be4 e6 12.Qg4 de4 13.Re4 Ne7 14.Bg5 h6 15.Be7 Qe7 16.c4 bc3 17.Nc3 Rc8 18.Re3 Qg5 19.Qe4 White intends d5 19...Bb4 (19...Bc6 20.d5 ed5 21.Nd5=) 20.Rc1 (20.Ne2 a5 21.Nf3 Qd8+=) 20...Bc3 (20...Qe7 21.Rc2=) 21.Rcc3 (21.Nf3 Qd8 22.Rec3 Rc3 23.Rc3 Bc6 24.Rc6 bc6 25.Qc6 Qd7 26.Qa8 Qd8 27.Qa7 0-0+=) 21...Bc6= 22.d5 ed5 23.Qd4 0-0 24.Rg3 Qh5 25.Rcf3 Bd7?? (better is 25...Rc7=) 26.e6+- f6 27.ed7 Rc4 (27...Rcd8 28.Rf5 g5 29.Rd5 a6+-) 28.Qf6! Rf6 (28...Rf6 29.d8Q Double attack) 29.d8Q Kh7 30.Rf6 Qh4 31.Rg7! Kg7 32.Qe7 1–0. Moen,Ole Christian (2210) – Bednarski,Jacek B (2425), Oslo Kringsja, 1976. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4 7.0-0 Nc6)

    8.Qe2 Nc3 9.Nc3 bc3 10.Rb1 Qa5 11.a3 e6 (11...a6!?+=) 12.Rb3 Be7 13.Qe3 b6 14.Nd2 Bd7 (worse is 14...cd2 15.Bd2 Nb4 16.Qg3+/- (16.ab4 Qa4 17.Qg3 g6+/-)) 15.Nb1 Rc8 (15...f6!? 16.Nc3 fe5=) 16.Nc3+= 0-0 (16...f5 17.Bd2 Nd8 18.Ne2+/-) 17.Bd2 (17.Rb5 Qa6 18.Rd5 Qb7+/-) 17...Nd8 (better is 17...Nb8+/-) 18.Ne4+- Qa4 19.Nf6! (19.Nf6 Bf6 20.ef6 Qd4 21.Qd4+-) 1–0. Windhorst,J – Gottschlich,M, corr BdF, 1989. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4 7.0-0 Nc6)

    8.a3 Bf5

    9.ab4 Nb4 10.Qe2 (10.Nh4 Bd7 11.Be4 de4 12.Nc3 e6 13.g3 Qc7 14.Bd2 h5 15.Rb1; 10.Bd2 Nd3 11.cd3 Nd2 12.Qd2 e6 13.Na3 Be7 14.Rfb1 Qd7 15.Nc2; 10.Ba3 Qb6 11.Bb4 Qb4 12.Ra3 Qb6 13.Rb3 Qc7 14.Nbd2 Rc8 15.Bb5; 10.Bb5 Bd7 11.Bd7 Qd7 12.Bb2 a5 13.c3 Nc6 14.Nbd2 Nd2 15.Qd2) 10...a6 11.Nh4 Bd7 12.Be4 de4 13.Rd1 e6 14.g3 Be7 15.Ba3.

    9.Re1 e6 10.Bb2 (10.h3 Qb6 11.Bb2 Rc8 12.a4 b3 13.cb3 Bb4 14.Re3 0-0 15.Nh4; 10.Qe2 Qb6 11.Nbd2 Nc3 12.Qe3 Bd3 13.Qd3 Nb5 14.ab4 Nbd4 15.Ba3; 10.Bf4 Qb6 11.ab4 Nb4 12.Be4 Be4 13.Nc3 Nc2 14.Ne4 Ne1 15.Qe1) 10...Be7 (10...Qb6 11.a4 Be7 12.Nbd2 Nc3 13.Bc3 Bd3 14.Bb4 Bb4 15.cd3) 11.Nfd2 (11.Nbd2 Nd2 12.Qd2 Bd3 13.Qd3 0-0 14.ab4 Nb4 15.Qd2) 11...Nd2 12.Qd2 ba3 (12...Bd3 13.Qd3 Qb6 14.a4 Qa6 15.Qa6) 13.Na3 Bd3 14.Qd3 0-0 15.Re3 (15.c4-/+) 15...Nb4 16.Qe2 Rc8 17.c3 Nc6 18.Rg3 Bh4 19.Rh3 Be7 20.Qh5 h6 21.Nc2 a6 22.Ne3 Qb6 23.Bc1 Bg5?? (better is 23...Nd4 24.Nf1 Nf5-+) 24.Ng4+= Bc1? (24...Nd4 25.Bg5 Ne2 26.Kh1 Qb2+-) 25.Rc1+- Nd4 (25...Qb2 26.Nh6! gh6 27.Qg4 Kh7 28.Qg5 Qc1 29.Qc1 Kg6 30.Qh6 Kf5 31.Qf6 Ke4 32.Re3) 26.Nf6 (26.Nh6 gh6 27.Qh6 Nf3 28.gf3 Qf2 29.Kf2 Rc3 30.Rg3) 26...Kh8+- 27.Rd1?? (better is 27.Qg5! Nf5 28.g4 Rc3 29.Rcc3 gf6 30.ef6 (worse is 30.Qf6 Kh7 31.gf5 Qb1 32.Kg2 Rg8 33.Rhg3 Qf5+-) 30...Qb1 31.Rc1+-) 27...Nf5+= (27...gf6?? 28.Qh6 Kg8 29.Qh7) 28.g4 Ne7 (28...gf6 29.gf5 Qe3 30.fe3 Rg8 31.Kh1 Rg1 32.Rg1 fe5 33.Qh6) 29.Qg5? (better is 29.g5 Nf5 30.Nd7+=) 29...Ng8-+ 30.Ng8 Rc3! (30...Rg8?? 31.Rh6 gh6 32.Qh6) 31.Rh6 (31.Rc3 hg5 Combination) 31...Kg8 32.Rh4 (32.Rh5 Qd8 33.Qd2 Qa5-+) 32...f6 33.Qg6 fe5 34.Qh7 Kf7 35.Qh5 (35.Rb1 Rb3 36.Rb3 Qb3 37.Rh3 Qd1 38.Kg2 Qg4 39.Rg3 Qe4 40.Rf3 Ke8 41.Qe4 de4 42.Rb3-+) 35...Ke7 36.Qe5 (36.Qg5 Kd6 37.Qd2-+) 36...Qf2 37.Kh1 Qf3 0–1. Mc Guinness,Cian – Moeckel,Jean, IECG, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 d5 6.e5 Ne4 7.0-0 Nc6)

    9.Nh4 Nd4? 10.Nf5 Nc6 11.ab4 +-.

    9.Nh4 Bd7 =.

    9.Nh4 e6 10.Nf5 ef5 11.Be3 Be7 12.ab4 Qb6 13.c3 0-0 14.Qe2 g6 15.f3.

    5.Bd3 e5

    6.a3 ed4 7.Nd4 ba3 8.0-0 (worse 8.Ra3 d5 9.Ra4 de4 10.Bb5 Bd7-+; worse 8.Ba3 Nc6 9.Bb2 Be7=+) 8...Be7 9.Ba3 0-0 10.Nc3 Nc6 11.Nc6 bc6 12.f4 d5 13.e5 Ba3 14.Ra3 Qb6 15.Kh1 Ng4 16.Qe1 Qc5 17.Rb3 f5 (17...Qe7 18.Qg3-/+) 18.h3 Nh6 19.Na4 Qe7 20.Qc3 Qc7 21.Nc5 Nf7 22.e6 (22.Re1!?=) 22...Nd6-/+ 23.Qe5 Qe7 24.Rfb1 Ne4 25.Be4 fe4 (25...de4?! 26.Rd1=; worse 25...Qc5 26.e7 Re8 27.Rb8 Rb8 28.Rb8+/-) 26.Rb8 (26.Rg3!?=+) 26...Rb8-+ (26...Qc5 27.Ra8 Re8 28.Rb7+-) 27.Rb8 Re8?? (27...h6 28.Qd4 Qd6-/+ (28...Be6 29.Rb7 Qf6 30.Ne6+/-)) 28.f5?? (better 28.Nd7+=) 28...Qc5-+ 29.Qc7 Qf8 30.Qc6 Bd7! 31.Qd7 (31.Qd7 Rb8 Discovered attack; 31.ed7 Rb8 Discovered attack) 31...Rb8 32.e7 Qe8 33.Qd5 Kh8 34.Qe5 Rb6 (34...Rc8!? 35.c4-+) 35.Qe4 (35.g4 e3! 36.Kg2 Rb5-+) 35…Rf6 0-1. Carlsen,Magnus (?) (2875) - Vachier Lagrave,M (2775), 7th Norway Blitz, 2019. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e5)

    6.Bb2 ed4 A1) 7.0-0 Be7 (7...Bg4 8.Bd4 Nc6 9.c3 Be7 10.Nbd2 d5 11.Rb1 bc3 12.Bc3 d4+=; 7...Nc6 8.Nd4 Be7 9.a3 ba3 10.Na3 0-0 11.Re1 Re8 12.Nab5 a6+=; 7...d5 8.ed5 Nd5 9.Bb5 Bd7 10.Nd4 Nc6 11.Re1 Be7 12.Nc6 bc6=) 8.a3 ba3 9.Na3 Bg4 10.Nb5 Nc6 11.Re1 Qb6 12.Bd4 Nd4+=; B) 7.Bd4 Nc6 (7...Be7 8.c3 Nc6 9.0-0 d5 10.e5 Ne4 11.cb4 Bb4 12.a3 Ba5-/+; 7...Be6 8.0-0 Nc6 9.a3 ba3 10.Na3 Be7 11.Qb1 b6 12.Bb5 Bd7+=; 7...Bg4 8.0-0 Nc6 9.c3 Be7 10.Nbd2 d5 11.Rb1 bc3 12.Bc3 d4+=) 8.0-0 Be7 9.c3 d5 10.e5 Ne4 11.cb4 Bb4 12.a3 Ba5-/+; C) 7.Nd4 Nc6 (7...d5 8.ed5 Nd5 9.0-0 Be7 10.Bb5 Bd7 11.Qf3 Nc7 12.Bd7 Nd7+=; 7...Be7 8.0-0 0-0 9.a3 d5 10.e5 Ng4 11.Nf5 Bf5 12.Bf5 Nh6+=; 7...Bg4 8.Qd2 d5 9.ed5 Nd5 10.0-0 Be7 11.Bf5 Bh5 12.Nb5 Na6=) 8.0-0 Be7 9.a3 ba3 10.Na3 0-0 11.Re1 Re8 12.Nab5 a6+=.

    6.Bb2 d5 7.Bb5 Bd7 (7...Ke7 8.ed5 e4 9.Qe2 Qd5 10.c4 Qf5 11.0-0 Be6 12.Ne5 Qh5=; 7...Nc6 8.Ne5 Qb6 9.ed5 Nd5 10.a4 Be6 11.0-0 a6 12.Bc6 bc6=) 8.de5 Ne4 9.Qd5 Nc5 10.Bd7 Nbd7 11.a3 ba3 12.Na3 Qa5 =.

    6.de5= Nfd7 A) 7.ed6 Bd6 8.Bg5 Qc7 9.Nbd2 Ne5 10.Nd4 a6 11.Nf5 Bf5 12.ef5 0-0+=; B) 7.Bb5 a6 (7...de5 8.Ne5 Be7 9.Nd2 Qa5 10.Nd7 Qb5 11.Nb8 Rb8 12.Qf3 Be6+=; 7...Nc6 8.ed6 Qf6 9.c3 bc3 10.Qc2 Bd6 11.Nc3 0-0 12.Be3 Nde5+=) 8.Bc4 Qc7 9.Bd5 Ne5 10.0-0 Be7 11.Nd4 Bf6 12.Bb2 Nbc6+=; C) 7.Bg5 Qc7 (7...Be7 8.Be7 Qe7 9.ed6 Qd6 10.a3 0-0 11.0-0 Nc6 12.ab4 Qb4=; 7...Qa5 8.ed6 Bd6 9.Nbd2 Ne5 10.Nc4 Nc4 11.Bc4 Qc7 12.Qd3 Nc6=) 8.ed6 Bd6 9.a3 Nc6 10.c3 bc3 11.Nc3 Nde5 12.Ne5 Be5=.

    6.de5 de5

    7.Bb5 Nbd7 (7...Bd7 8.Ne5 Qe7 9.Nd7 Qe4 10.Be3 Nbd7 11.0-0 Qd5 12.Qd5 Nd5=; 7...Nc6 8.Qd8 Kd8 9.Bc6 bc6 10.Ne5 Ke8 11.Nd2 c5 12.Bb2 Be6=) 8.Ne5 Qe7 9.Bf4 a6 10.Bd7 Nd7 11.Qd5 Ne5 12.Qe5 Qe5 +=.

    7.Ne5 Bc5 8.Bb2 0-0 9.Nd2 Nbd7 (9...Be6 10.0-0= Qc7 11.Nef3 Nbd7 12.e5 Ng4=; 9...Bd4 10.Qb1 Bc3 11.Bc3 bc3 12.Ndf3 Qc7=) 10.Nef3 (10.Nd7 Bd7 11.Nb3 Bb6= (11...Be7 12.e5 Ng4=) 12.0-0 Qe7=) 10...Nb6 (10...Qe7 11.0-0 Rd8 12.Qe1 Ng4=) 11.0-0 (11.Nb3 Na4 12.Nc5 Nb2=) 11...Na4 12.Be5 (12.Qb1 Nc3 13.Qe1 Re8+=) 12...Bg4 (12...Ng4 13.Bf4+=) 13.h3= Bh5 14.Qe1 Rc8 15.Bh2 (15.Bf6 Qf6 16.e5 Qb6+=) 15...Nc3-/+ 16.Nb3 (16.e5 Re8-/+) 16...Bf3 17.Nc5 (17.gf3 Nd7-/+) 17...Rc5 18.Qe3 (18.gf3 Qd7 19.e5 Qh3-+) 18...Nfe4 (18...Bg2 19.Kg2 Ra5 20.Qf3-/+) 19.Qf3 Nd2 20.Qe3 Nf1 21.Qc5 Nh2 22.Kh2 a5 23.a3 b6 24.Qc6 Qd4 25.ab4 Qb4 26.Re1 Nb5 (26...a4 27.Qf3-/+) 27.Qe8 (27.Re8 Nd4 28.Rf8 Kf8 29.Qc8 Ke7 30.Qc7 Kf6 31.Qd8 Ke6 32.Qc8 Ke5 33.Qc7 Kf6 34.Qd8 Ke5 35.Qg5 Ke6 36.Qg7 a4=) 27...g6 28.Qe5 Nd6 29.c3 Qc5 30.Qc5 bc5 31.Re7 (31.Re5 Rc8 32.Rd5 Ne8-/+) 31...Ra8 (31...Rc8 32.Rd7 Rc6 33.c4-+) 32.Rd7 c4 33.Rd6 cd3 34.Rd3 a4 35.Kg3 (better is 35.Rd2!?+=) 35...a3-+ 36.Rd1 Rc8 37.Kf4 Rc3 38.Rd8 Kg7 39.Ra8 h5 40.h4 Kf6 41.Ra6 Ke7 42.f3 Rc2 43.Ra3 Rg2 44.Ra7 Kf8 45.Ra8 Kg7 46.Ra7 Rg1 47.Rb7 Ra1 48.Rb4 Ra6 49.Rc4 Kf6 50.Rb4 Ke6 51.Re4 Kd5 (51...Kd7 52.Rd4 Ke7 53.Re4 Re6 54.Rb4-/+) 52.Re7 Rf6 53.Kg3 Kd4 (53...Kd6 54.Ra7-/+) 54.Ra7 Rf5 55.Ra4 (55.f4 Kd5-/+) 55...Ke5 56.Ra6 Rf6 57.Ra7 (57.f4 Kf5 (57...Rf4? 58.Ra5 Ke4 59.Ra4 Ke5 60.Rf4+-) 58.Ra7 Ke6-/+) 57...Ke6 58.Rb7 Rf5 59.Rb6 Ke7 60.Rb7 Kf6 61.Ra7 (61.Rb6 Kg7-/+) 61...Kg7 62.Rb7 Ra5 63.Rb4 Ra7 64.Kf4 Kh6 65.Rc4 Ra6 66.Rb4 f6 67.Rc4 Rb6 68.Ra4 Rc6 69.Rb4 Ra6 70.Rc4 Ra5 (70...Rd6 71.Ke4-/+) 71.Rc6 Rf5 72.Ke4 Ra5 73.Kf4 Rf5 74.Ke4 Re5 75.Kf4 Kg7 76.Rc7 Kf8 77.Rc8 Kf7 78.Rc7 Re7 79.Rc4 Ra7 80.Rb4 Ra6 81.Rc4 Ke6 82.Rb4 Rc6 83.Rd4 (83.Re4 Kd7-/+) 83...Rc5 84.Re4 Re5 85.Ra4 g5 86.Kg3 Re3 87.hg5 (87.Kf2 Rc3-/+) 87...fg5-+ 88.Ra8 Kf6 89.Rh8 h4 90.Kg4 Re1 91.Rh6 Kg7 92.Rh5 Rg1 93.Kf5 ½–½. Vokac,Marek (2505) – Stocek,J (2545), TCh–CZE, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e5 6.de5 de5)

    7.Ne5 Nc6 8.Bb2 Ne5 9.Be5 Qe7 10.f4 Bd7 11.Qf3 Rd8 12.Nd2 a6 =.

    7.Ne5 Nc6 8.Nc6 bc6 9.Bb2 (9.Nd2 Bc5 10.0-0 Bg4 11.Nf3 0-0 12.h3 Bh5 13.Bb2 Qc7 14.a3 a5; 9.0-0 Bc5 (9...Qd4 10.c3 Qe5 11.Qc2 Be6 12.Bb2 Bd6 13.g3 Qc5 14.Nd2 0-0; 9...Bd6 10.Nd2 0-0 11.Nc4 Ng4 12.h3 Bh2 13.Kh1 Bc7 14.Bd2 Rb8; 9...Qc7 10.Bb2 Ng4 11.g3 h5 12.a3 h4 13.ab4 Bb4 14.Qf3 hg3; 9...Be7 10.Bb2 0-0 11.Nd2 Be6 12.e5 Nd7 13.Nb3 Qc7 14.Qh5 g6; 9...Be6 10.Bb2 Qc7 11.e5 Nd7 12.Qf3 Rd8 13.Qg3 Nc5 14.Nd2 Qd7) 10.Nd2 0-0 11.Bb2 Re8 12.h3 Qc7 13.Qf3 Be6 14.Bf6 gf6) 9...Be7 (9...Bc5 10.0-0 0-0 11.Nd2 Bd4 12.Qc1 Re8 13.a3 c5 14.Bd4 Qd4; 9...Bg4 10.Qc1 Bc5 11.Nd2 0-0 12.0-0 Bd4 13.e5 Bb2 14.Qb2 Nd5) 10.0-0 Bg4 (10...0-0 11.Nd2 Be6 12.e5 Nd5 13.Qf3 f6 14.Nc4 g6) 11.Qe1 0-0 (better is 11...Be6!?= 12.a3 a5 13.e5 Nd5 14.Qe4 g6; 11...Nh5 12.Be2 Be2 13.Qe2 Qa5 14.a3 Qg5) 12.e5+/- Nd5 13.Qe4 f5 14.ef6 Bf6 15.Qh7 Kf7 16.Qg6 Kg8 17.Bf6 Nf6 18.Nd2 Bh5 19.Qf5 Bg4 20.Qc5 Qb6 21.Qg5 Qd4 22.Rae1 Rae8 23.Re3 Re3 24.fe3 Qc3? (better is 24...Qd6+/-) 25.Bc4+- Kh8 26.Qh4 Bh5 27.Rf6! Rf6 (27...Qf6 28.Qh5 Remove defender; 27...Rf6 28.Qh5 Mate attack; 27...gf6 28.Qh5 Remove defender) 28.Qh5 Rh6 29.Qe8 Kh7 30.Bg8 1–0. Rositsan,B (2185) – Jalanskij,Sergej, Vilnius LTU, Open, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6)

    7.Ne5 Nbd7 8.Nd7 Bd7 9.Bb2 Qb6 10.Qf3 Rd8 11.0-0 Bc5 12.Nd2 Bd4 =.

    7.Ne5 Be6 8.Bb2 Qc7 9.0-0 Bd6 10.Nf3 Nbd7 11.c3 Ng4 12.h3 Nh2 =.

    7.Bg5 Nc6-/+ 8.0-0 h6 9.Bf6 (9.Bh4 Bc5-/+) 9...Qf6-+ 10.Bb5 Bg4 11.a3 (11.Nbd2 Be7-+) 11...Rd8 12.Qe2 a6 13.Bc6 Qc6 (13...bc6?! 14.ab4 Bb4 15.c3 Bf3 16.Qf3 Qf3 17.gf3+=) 14.ab4 Bb4 15.h3 (15.Ra2 f5 16.c3 Bd6-+ (16...Bc3?! 17.Rc2+=)) 15...Bf3 16.Qf3 Qc2 17.Na3 (17.Qg4 0-0 18.Na3 Qc8-+) 17...Qc3 18.Qc3 Bc3 19.Rab1 b5 20.Rb3 Bd4 21.Rc1 0-0 22.Rc6 Ra8 23.Nc2 Rfc8 24.Nd4 ed4 25.Rd6 Rd8 26.Rd8 Rd8 27.Kf1 Rb8 28.Ke2 b4 29.Kd3 a5 30.Rb1 a4 31.e5 (31.Re1 b3 32.Kd2-+) 31...b3 32.Kd4 (32.Kc4 b2 33.Rb2 Rb2 34.Kd4 a3-+) 32...a3 Black intends b2 33.Kc3 (33.e6-+) 33...b2 34.Kc2 a2 35.Rb2 Rc8 0–1. Sanfilippo,Eduardo – Tepper,Gonzalo, LADAC CAAPE 8th corr, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e5 6.de5 de5)

    5.Bd3 e6

    6.0-0 Qc7 7.Bb2 Nbd7 8.c4 b6 9.e5 de5 10.de5 Ng8 11.Nbd2 Bb7 12.Rc1 Nc5 13.Bb1 0-0-0 (13...Rd8!? 14.Qe2 Be7-/+) 14.Qe2+= Ne7 15.Nd4 a6 16.N4b3 Ng6 17.g3 h5 18.h4 Qc6 19.f3 Ne7 20.Ne4 Nf5 21.Kh2 Qc7 22.Rfd1 Be7 23.Nec5 bc5 24.a3 Rd1 25.Rd1 Rd8 26.Rc1 ba3 27.Ba3 Nd4 28.Nd4 Rd4 29.Bb2 Rd7 30.Bc3 Qd8 31.Kg2 Bc6 (31...g5!? 32.hg5 Bg5-/+) 32.Qe1 Qc7 33.Ba5 (33.Be4!?=) 33...Qb7-/+ 34.Qe2 Bd8 35.Bc3 Bb6 (35...g5 36.Qf2-/+) 36.Bc2 Qc7 (36...Kd8 37.Rb1+=) 37.Be4 g6 38.Rb1 Be4 39.Qe4 Qb7 40.Qe2 Qc6 41.Qa2 ½–½. Finster,Michael – Reis,Thomas, Unterfranken–ch2, 1987. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.0-0 Nbd7 7.a3 ba3 8.Ba3 (8.Na3 a6=) 8...Be7 (8...Qc7 9.Re1=) 9.Re1 (9.Nc3 0-0=) 9...0-0 10.Nbd2 (10.c4 e5=) 10...Re8 (10...e5 11.Bb2=+) 11.Qe2 (11.e5 de5 12.de5 Nd5=) 11...Nf8 (11...e5 12.Bb2=+) 12.c4 (12.e5 de5 13.de5 Nd5=) 12...Ng6 13.g3 (13.e5 Nf4 14.Qe3 Nd3 15.Qd3 de5 16.Ne5 Nd7 17.Be7 Re7=+) 13...e5-/+ 14.d5 (14.Bb2 Qc7-/+) 14...Bg4 15.Reb1 b6 (15...Qc7 16.Qe3-/+) 16.Bc2=+ Qc8 (16...Qc7 17.Ba4 Bd7 18.Bb4=+) 17.Qe3 (17.Ba4 Bd7 18.Bd7 Qd7=+) 17...Bf8 (17...Bd7 18.Bb4=+) 18.Ne1 (18.Ba4 Bd7 19.Bd7 Qd7=+) 18...Bd7 19.Bb4 Rd8 (19...Be7 20.Ba4=+) 20.Bd1 (20.Nd3 Be7=+) 20...Bg4 (20...Be7 21.Ba4=+) 21.Ba4 (21.Bg4 Ng4 22.Qf3 Be7=+) 21...Bd7 22.Bd1 Bg4 (22...Be7 23.Ba4=+) 23.f3 (23.Ba4 Qc7=+) 23...Bd7=+ 24.Ra2 (24.Ba4 Be7=+) 24...Be8 (24...Be7 25.Ba4=+) 25.Rba1 (25.Nd3 Qc7=+) 25...Qc7 26.Ra6 Rdb8 27.Qa3 (27.Nc2 Nd7=+) 27...Rb7 28.Nd3 Nd7 29.Ba4 Nb8 30.Be8 Na6 31.Bc6 Nb4 32.Nb4 a5 33.Nd3 (33.Qe3 Raa7 34.Bb7 Rb7=+) 33...Rab8 (33...Be7 34.h4=+) 34.Bb7 Rb7 35.Rb1 Ne7 (35...Be7 36.Qa4=+) 36.Qa4 Nc8 (36...g6 37.Kg2=+) 37.Kg2 (37.f4 ef4 38.gf4 Qe7=) 37...Na7=+ 38.Rc1 Rb8 39.Nb1 (39.f4 Be7=+) 39...g6 (39...Be7 40.Na3=+) 40.Na3 Bh6 41.Rc2 (41.Rb1 f5=+) 41...Be3 (41...Rc8 42.f4=+) 42.Qb3 (42.Re2 Bd4=+) 42...Bd4-/+ 43.f4 (43.Rc1 Rc8-/+) 43...ef4 44.Nf4 Qe7 45.Qd3 (45.Re2 Qe8-/+) 45...Bc5-/+ 46.Nb1 b5 47.cb5 Rb5 1–0. Arias,Juan Cruz (2205) – Juarez,Carlos Eleodoro (2050), Semifinal Championship Argentino Superi, 2016. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 Nf6 5.Bd3 d6 6.0-0 Nbd7)

    6.a3 Be7 7.ab4+= 0-0 8.0-0 e5 +=.

    6.a3 Be7 7.ab4+= 0-0 8.b5 Nbd7 9.0-0 b6 10.Nc3 Bb7 11.Ra4 Qc7 12.Rc4 Qb8 13.Bf4 Rc8 14.Rc8 Bc8 (14...Qc8!? 15.Qe1 a6=) 15.Qe2 Bb7 16.Ra1 Qc7 17.Bd2 e5 18.h3 ed4 19.Nd4 Ne5 20.Nf5 Bf8 21.Ne3 Nd3 (21...g6 22.Ra2+=) 22.Qd3+/- Nd7 23.Ncd5 Qb8 24.Bc3 Bd5 (24...a5 25.Nf5 Kh8 26.Qd4+/-) 25.Qd5 Nc5 26.f3 Qb7? (better is 26...Qe8+/-) 27.Qb7+- Nb7 28.Nd5 Na5 29.Ba5 ba5 30.Ra5 Rc8 (30...Rb8 31.Nb4+-) 31.Ra7 g6 (31...Rc2 32.b6 Rb2 33.b7+-) 32.b6 Rc2 33.Nf6 Kg7 34.b7 Rb2 35.Nd7 Be7 (35...d5 36.Nf8 Rb1 37.Kf2 Kf8 38.Ra8 Ke7 39.b8Q Rb8 40.Rb8 de4 41.fe4+-) 36.b8Q Rb8 37.Nb8 Bf6 38.Nc6 Bg5 (38...Be5 39.Rb7 Kg8 40.Kf2+-) 39.Rd7 Bf4 (39...h5 40.Kf2+-) 40.Nd8 Be5 41.Nf7 Kf6 42.Ne5 de5 43.Rh7 g5 44.Kf2 Kg6 45.Re7 Kf6 46.Re8 Kg6 47.Re5 Kf6 48.Rf5 Kg6 49.g4 Kh6 If Black now only could play e5... 50.e5 Kg6 (50...Kh7 51.e6 Kg7 52.e7 Kh6 53.e8Q Kg7 54.Rg5 Kf6 55.Rg6) 51.e6 Kh6 (51...Kh7 52.e7 Kg7 53.e8Q Kh7 54.Rf7 Kh6 55.Qe6) 52.e7 Kg7 53.e8Q Kh6 (53...Kh7 54.Rf7 Kh6 55.Qe6) 54.Qe7 1–0. usingprogram – costel1939, internet, 2011. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 e6 5.Bd3 Nf6)

    6.a3 Be7 7.ab4+= 0-0 8.h4 Nbd7 9.e5 (9.Nbd2!?=) 9...de5+= 10.de5 Nd5 (worse is 10...Bb4 11.c3 Nc5 12.Be2 Qd1 13.Kd1+=) 11.c4? (11.b5 Qc7 12.Qe2 Bb4 13.Bd2 Nc5 14.Bb4 Nd3 15.cd3 Nb4=) 11...Bb4 (11...Nb4 12.Be3-+) 12.Kf1 Ne5?? (better is 12...Nc7-/+) 13.Ne5+/- Qf6 (13...Qd6 14.Qe2 f6 15.cd5 fe5 16.Qe4+/-) 14.Qe2 (14.cd5?! Qe5 15.Ra4 a5 16.de6 Be6=) 14...Rd8? (better is 14...Bd6 15.Qe4 g6+/-) 15.Bg5 Nf4 (15...Ne3 16.Qe3 Rd3 17.Qd3 (17.Nd3?! Qa1 18.Qc1 Ba5+=) 17...Qe5 18.Qd8 Bf8 19.Be7+-) 16.Bf6 Rd3 (16...Ne2 17.Bd8 Nf4+-) 17.Qg4 White prepares the advance h5 17...Ng6 (17...Bf8 18.g3 Nd5 19.cd5 ed5 20.Qa4+-) 18.Nd3 e5 19.Qf3 Bd6 20.h5 Nf4 21.Qg3 (21.Be5 Be5 22.Ne5 f6 23.Qf4 fe5 24.Qe5 h6+-) 21...g6 22.hg6 (22.Ne5 Be5 23.Be5 Nh3 24.hg6 h6 25.gf7 Kf7 26.Qg7 Ke6 27.Qf6 Kd7 28.Qf7 Kd8 29.Bf6) 22...fg6 23.Ne5 Ne6 24.Qg6! 1–0. McColl,Kevin (1900) – Milton,Anthony W, Adelaide Checkmate op, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.a3 Be7 7.ab4 d5 8.e5 Ne4 9.b5 Nd7 10.0-0 f5 11.ef6 Ndf6 12.Qe2 0-0 13.c4 Qc7 14.c5 a5 15.b6 Qd8 16.Na3 Bd7 17.Nb5 Bb5 (17...Bb5 18.Bb5 Qc8+/-). nopersona (2335) - marekt (2125), gameknot.com, 2014.

    6.Bb2 Be7 7.0-0 0-0 8.a3 Nc6 9.Re1 ba3 10.Na3 Nb4 11.e5 Nd3 12.Qd3 de5 13.Ne5 Bd7 14.c4 Bc6 15.Nc6 bc6 16.Nc2 a5 17.Qf3 Qc7 18.h4 (18.Ba3 c5-/+) 18...a4 19.Ra2 Ra5 20.Re5 Rfa8 21.Ra5 Ra5 22.Bc3 Ra8 23.Bb4 Bd6 24.Bc3 Be7 25.Bb4 Ra6 26.g3 h6 27.Qa3 Bb4 28.Nb4 Ra5 29.Nd3 White plans c5 29...Ne4 30.Qb4 Qa7 31.c5 Nf6 32.Ne5 Nd5 (32...Ra6 33.Qb1 Nd7 34.Nd7 Qd7 35.Qb8 Kh7 36.Qb1 f5 37.Qb4-/+) 33.Qa3 (better is 33.Qb1!? Nc3 34.Qb2 Rc5 35.Ra1 Re5 36.de5+=) 33...Qb7-/+ 34.Nc4 Qb1 35.Kh2 (35.Kg2 Ra7 36.Qb2 Qb2 37.Nb2 a3-/+) 35...Rb5-+ 36.Nd2 Qe1 37.Kg2 Rb4 38.Qd3 Qd1 39.Qa6?? (39.Kh2 Qc1-+) 39...Rd4 (better is 39...Nc3 40.d5 Na2 41.de6 Qd2 42.Qc6 fe6 43.Qe6 Kf8 44.Qf5 Ke7-+) 40.Nf3 Rd3 41.Ne5 Nb4 (better is 41...Ne3 42.fe3 Re3 43.Qc6 Re5-+) 42.Qb7+= The isolani on c6 becomes a target 42...Na2 ½–½. Krajnc,Peter – Ostojic,Predrag, YUG–chT, 1971. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.Bb2 Be7 7.c4 bc3 8.Nc3 0-0 +=.

    6.Bb2 Be7 7.h4 0-0-/+ 8.e5 (8.c4 bc3 9.Nc3 Nc6-/+) 8...Nd5 9.Bh7 Kh8 10.Ng5 Nf4?? (better is 10...g6+=) 11.Qg4 de5 12.de5 f6 13.ef6?? (better is 13.Bg6! Kg8 14.Nh7 Ng6 15.Qg6 fe5 16.Nf8 Qf8 17.h5+-) 13...Bf6-/+ 14.Qf4? (better is 14.c3!? bc3 15.Nc3-/+) 14...Bc3! 15.Nc3 (15.Nc3 Rf4 Discovered attack; 15.Bc3 Rf4 Discovered attack) 15...Rf4 16.Ne2 Rf8 17.Rd1 Qa5 18.0-0 (18.c3 A) 18...Qa2 19.Nf4 g6 A1) 20.Ng6 Kg7 21.h5 Kh6 (21...Qb2?? 22.h6 Kf6 23.Ne4 Kf7 24.Rh3+-) 22.Nf8 Qb2-+; A2) 20.Rd2 Rf4 21.cb4 Qb2 22.Rb2=; B) 18...Nc6-+) 18...Nd7 (18...Nc6 19.Ra1-+) 19.f4 (19.Nc1 e5-+) 19...Nf6 20.Nd4?? (20.Bg6-+) 20...Nh7 21.Nh7 (21.Nde6 Be6 22.Ne6 Qb6 23.Nd4 Rac8-+) 21...Kh7 0–1. Lazu,Robert – Kalashnikov,Alexey L (2205), Dos Hermanas Internet qual–A, 2009. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 e6)

    6.c3 bc3 7.Nc3 Nc6 8.0-0 Be7 9.d5 ed5 10.ed5 Ne5 11.Ne5 de5 Attacks the isolani on d5 12.Bb5 Kf8 13.Qb3 a6 14.Be2 b5 15.Ba3 Bd6 16.Rfd1 Rb8 17.Bb4 g6 18.a4 ba4 19.Bd6 Qd6 20.Qa4 Kg7 21.Qa5 (21.Ba6? Ra8 22.Qc6 Qc6 23.dc6 Ra6-+) 21...Rd8 22.Ra2 (22.Ba6? Ra8 23.Nb5 Qa6-+ (23...Ra6?! 24.Nd6 Ra5 25.Ne8 Ne8 26.Ra5-/+)) 22...Qb6 23.Ra3 Rd6 24.Rd2 Be6 25.Ba6 (better is 25.Qb6!? Rbb6 26.Ra5-/+) 25...Qa5-+ 26.Ra5 Ne4! 27.Ne4 Ra6! 28.f3 (28.Ra6 Rb1 Mate attack) 28...Ra5 29.de6 fe6 30.Ng5 Rb7 31.Ne6 Kf6 32.Nd8 Rc7 33.Rd6 Ke7 (33...Ke7 34.Rd2 Rb5-+) 0–1. Timmermans,Daniel – Truyens,Aime, BEL corr Belgium, 1989. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.c3 d5 7.e5 Ne4 8.Be4 de4 9.Ng5 Qd5 10.Qe2 bc3-/+ 11.Qe4 Bb4 12.0-0 Nc6 13.Be3 h6 14.Qd5 ed5 15.Nf3 c2 16.Nbd2 Bc3 17.Rae1 Bf5 18.Bf4 Rc8 19.Rc1 Bb2 0–1. MacDonald,Weldon – McIntosh,Adron, IECC, 1998.

    6.c4 bc3 7.Qc2 Nc6 8.a3 Qa5 9.0-0 (9.Nc3 e5 10.0-0 ed4+=) 9...d5 10.e5 (10.Nc3!? de4 11.Ne4=) 10...Ne4!-/+ 11.Be4 de4 12.Qe4 Ne7 13.Ng5 h6 14.Nh3 (14.Nh7 Bd7 15.Nf8 Rf8-/+) 14...g5 (14...Bd7 15.Be3-+) 15.a4 Bd7 16.Qb7 Bc6 17.Qb3 Qd5 18.Qd5 Nd5 (worse is 18...Bd5 19.Nc3 Bc4 20.Rd1+=) 19.f4 gf4 (19...g4 20.Nf2-+) 20.Nf4-/+ Rc8 21.Nh5 Bb4 22.Na3 (22.Ra2 Bd7-/+) 22...Ba4 23.Ng7 (23.Nf6 Nf6 24.Rf6 c2-+) 23...Ke7 24.Nb1 c2 25.Nd2 Nc3 26.Ne4 Ne4 27.Ra4 a5 28.d5 (28.Nh5 Rhd8 29.g4 Rd4 30.Bh6 Rd1-+) 28...Bc5 (better is 28...ed5!? 29.Nf5 Ke6 30.g4-+) 29.Kh1 Nf2 (29...ed5!? 30.Ra5 Rh7 31.Nf5 Ke6 32.Ra6 Ke5 33.Bb2 d4 34.Ne3-+) 30.Rf2 Bf2 31.Rf4 Bc5 32.d6 Bd6! 33.ed6 Kd6 34.Nh5 (34.Rf7 Rcf8 35.Rf8 Rf8-+) 34...Rc5 35.Nf6 Kc6 36.Ng4 (36.g4 e5 37.Rf5 Rd8-+) 36...Rd8 (36...Rd8 37.Rf1 h5-+) 0–1. Poetzschmann,Rolf – Zill,Eberhard, DDR–ch M838 corr, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.c4 bc3 7.Nc3 Be7 =.

    6.c4 d5 7.Nbd2 de4 8.Ne4 Ne4 9.Be4 Nd7 10.0-0 Be7 11.Qc2 Nf6 12.Bg5 Ne4 13.Be7 Qe7 14.Qe4 0-0 15.Rfe1 Rb8 16.d5 (16.Rad1 Bd7=) 16...b6 (16...b5 17.c5 Qc5 18.Ng5=) 17.Rad1= Bb7 18.Qd3 Rfd8 19.d6 Qf8 20.Ng5 g6 21.Ne4 (21.Re3 Qh6 22.f4 Qh4=) 21...Be4+= 22.Re4 Rbc8 23.Rd4 Rc6 24.Qd2 a5 25.d7 Qe7 26.Qd3 f6 27.Kf1 Kg7 28.Rd6 Qd6 29.Qd6 Rd6 30.Rd6 Kf7 31.Ke2 Ke7 32.Rb6 Rd7 33.Ra6 Rc7 (33...Rd4 34.c5+=) 34.Kd3= Rc5 35.Ra7 Kd6 36.Rh7 Rh5 37.Rg7 Rh2 38.Rg6 f5 39.Rg8 Rh1 40.Ra8 Rd1 41.Kc2 Rg1 42.g3 Kc5 43.Kb3 Rb1 ½–½. Miettinen,Kristo S (2340) – Gray jr,William F (2330), USCF, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6)

    6.Nbd2 Bd7 7.h4 -/+.

    6.Qe2 Be7 7.0-0 Nc6 8.Nbd2 0-0 9.Bb2 d5 10.e5 Nd7 11.Ne1 Nb6 12.f4? (better is 12.Rb1!?-/+) 12...Na4-+ 13.Bh7? (better is 13.Bc1 Nd4 14.Qh5-+) 13...Kh7 14.Qh5 (14.Qd3 Kg8 15.Rb1 Bd7-+) 14...Kg8 15.Nef3 (15.Rb1 Nb2 16.Rb2 Nd4 17.Nd3-+) 15...Nb2 16.Ng5 (16.Nb3 Qb6-+) 16...Bg5 17.fg5 Nd4 0–1. Vailahti,Olavi – Gudlaugsson,Einar, Nordic CupT 4rd B20 corr, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6)

    6.Qe2 Be7 7.0-0 Nc6 8.Nbd2 e5 9.d5 Nb8 10.a3 ba3 11.Ba3 0-0 12.Rfb1 b6 13.Nc4 Bg4 14.h3 Bf3 15.Qf3 Qc7 16.Bb4 Nbd7 17.Ra6 Rab8 (17...Nc5 18.Bc5 bc5 19.Na3=) 18.Rba1 (18.Na3!? Qb7 19.Ra1+/-) 18...Rb7= 19.Na3 Ra8 20.Nb5 Qb8 21.Qd1 Nc5 22.Bc5 bc5 23.c4 Ne8 24.Qa4 Nc7 25.Rc6 (25.Nd6? Rb6 26.Ra7 Ra7 27.Qa7 Bd6-+) 25...Nb5 26.cb5 Bd8 27.b6 (27.Qa6!?=) 27...Bb6 28.Ba6 Rc7 29.Rd6 Qf8 30.Rc6 Rc6 31.dc6 Rd8 32.Bc4 Qe7 33.Bd5 Qc7 34.Ra3 Re8 35.Rd3 Re7 36.Qb3 Kf8 37.Rf3 Kg8 38.h4 (38.Rd3 Kh8=) 38...Kf8+= 39.g4 (better is 39.Rc3+=) 39...Qc8 (39...Kg8 40.Rc3+=) 40.g5 (better is 40.Bf7!? Qg4 41.Kf1 Qf3 42.Qf3 Rf7 43.Qg4+/-) 40...Qg4 41.Rg3 (41.Kf1!? Qh5 42.Rf5=) 41...Qh4-/+ 42.Qf3 Rc7 43.Rg4 (43.Qf5!? Qf4 44.Qf4 ef4 45.Rc3-/+) 43...Qh5 44.Qg3 Re7 (better is 44...c4!? 45.Kg2 c3-/+) 45.g6+= fg6?? (45...fg6 46.Rh4 Combination; 45...hg6 46.Rh4 Combination) 46.Rh4+/- Qd1 47.Kg2 h6? (47...Rf7 48.Rh7 Bc7 49.Rh8 Ke7+-) 48.Qg6+- Qd2 49.Rh5 (49.Rh5 Qf4 50.Rf5 Qf5 51.ef5+-) 1–0. Nield,AE – Salm,Maxwell Charles, Golden op corr, 1943. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.h4 Nc6 7.0-0 Be7 8.a3 0-0 9.c3 bc3 10.Nc3 h6 11.Bd2 d5 12.e5 Ng4 13.h5.

    6.h4 Nc6 7.Bb2 d5 (7...Be7 8.0-0 (8.Nbd2 0-0 9.0-0 Ng4 10.d5 ed5 11.ed5 Nce5 12.Ne5 Ne5 13.Be5; 8.a3 0-0 9.ab4 Nb4 10.Nc3 Ng4 11.Ba3 Nd3 12.cd3 a5 13.0-0; 8.g3 Qc7 9.Nbd2 0-0 10.0-0 Bd7 11.Rc1 h6 12.c3 a5 13.Re1; 8.c3 0-0 9.0-0 Ng4 10.a3 bc3 11.Nc3 Bh4 12.Rc1 h5 13.Qe2) 8...0-0 9.Nbd2 Ng4 10.d5 ed5 11.ed5 Nce5 12.Ne5 de5 13.Nc4; 7...Bd7 8.0-0 (8.Nbd2 Be7 9.0-0 0-0 10.Nc4 Ne4 11.Be4 d5 12.Qd3 de4 13.Qe4; 8.Qe2 Be7 9.Nbd2 0-0 10.0-0 g6 11.a3 Qc7 12.c3 bc3 13.Bc3; 8.a3 Be7 9.0-0 0-0 10.Nbd2 h6 11.Qe2 Nh5 12.Qe3 d5 13.Nb3; 8.h5 Be7 9.h6 gh6 10.Rh6 d5 11.ed5 Nd5 12.Kf1 Rg8 13.c4) 8...Be7 9.Qe2 0-0 10.Nbd2 g6 11.Rab1 d5 12.Ne5 Qa5 13.ed5; 7...Ng4 8.Ng5 h5 9.f3 Nf6 10.Nd2 Be7 11.0-0 0-0 12.Nc4 b5 13.Nd6; 7...Qc7 8.0-0 (8.Nbd2 Be7 9.0-0 0-0 10.c3 Bd7 11.Rc1 Qd8 12.Qb3 a5 13.a4; 8.c3 d5 9.Nbd2 Qf4 10.Qe2 bc3 11.Bc3 Be7 12.g3 Qc7 13.0-0; 8.Qe2 Be7 9.Nbd2 0-0 10.0-0 Ng4 11.d5 Nce5 12.Ne5 Ne5 13.h5; 8.a3 Be7 9.0-0 0-0 10.c3 ba3 11.Na3 a6 12.Nc4 b5 13.Ne3) 8...Be7 9.Nbd2 0-0 10.Rc1 Bd7 11.c3 Qd8 12.Qb3 a5 13.a4) 8.e5 (8.Nbd2 Be7 9.Ne5 h5 10.0-0 Ne5 11.de5 Ng4 12.ed5 Qd5 13.Be4) 8...Ne4 (8...Nh5 9.Qd2 f5 10.Be2 h6 11.a3 Be7 12.ab4 Bb4 13.c3) 9.Qe2 (9.0-0 Be7 10.Qe2 Bh4 11.Be4 de4 12.Nh4 Qh4 13.Nd2) 9...Be7 10.Be4 de4 11.Qe4 Qd5 (11...0-0 12.0-0 Qd5 13.Nbd2) 12.Qg4 (12.Nbd2 0-0 13.0-0) 12...0-0 13.Rh3 (13.Nbd2+=) 13...f5 14.Qf4 Qc4 15.Qc1 b6 16.Nbd2 Qb5 17.Nf1?? (better is 17.Qd1+=) 17...Ba6-+ 18.Ng3 f4 19.Qd2 fg3 20.0-0-0 (20.Qd3 gf2 21.Kf2 Qd3 22.cd3 Bd3-+) 20...gf2 21.Qf2 Qe2 (21...Qa4!? 22.Qe3 Bc4 23.Ng5-+) 22.Qg3 Rac8 23.Re1 Qc4 24.Kb1 Nd8 25.h5 (25.Rc1 Bb7 26.Nd2 Qe2-+) 25...Qc2 26.Ka1 Bc4 27.h6 g6 28.Rc1 Qa4 29.Rc4 Qd1 0–1. Popov,M (2015) – Grigoryan,K2 (2250), XIX EYCC Boys U14, Fermo ITA, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    6.h4 Nc6 7.Nbd2 A) 7...h6 8.Bb2 (8.0-0 Be7 9.Nc4 Ne4 10.Be4 d5 11.Bd3 dc4 12.Bc4 Bh4 13.Bb2; 8.Qe2 Be7 9.0-0 0-0 10.Nc4 b5 11.Ne3 d5 12.ed5 Nd5 13.Nd5; 8.a3 Be7 9.0-0 0-0 10.ab4 Nb4 11.Ba3 Nd3 12.cd3 b5 13.Qb3 ; 8.Nc4 Ne4 9.Be4 d5 10.Qd3 de4 11.Qe4 Qd5 12.Qd3 Be7 13.0-0; 8.Nb3 Be7 9.0-0 0-0 10.Qe2 Ng4 11.e5 h5 12.Bf4 de5 13.de5) 8...Be7 9.0-0 0-0 10.Qe2 Ng4 11.e5 d5 12.h5 Qb6 13.c4; B) 7...Bd7 8.0-0 (8.Nc4 Ne4 9.Be4 d5 10.Qe2 Be7 11.0-0 de4 12.Qe4 0-0 13.Bg5; 8.Qe2 Be7 9.0-0 0-0 10.Nc4 d5 11.ed5 Nd5 12.h5 Nc3 13.Qe3) 8...Be7 9.Nc4 0-0 10.d5 b5 11.Ne3 Ne5 12.Ne5 de5 13.Qf3; C) 7...Be7 8.0-0 (8.Qe2 Ng4 9.h5 0-0 10.0-0 d5 11.Bb2 f6 12.Rfc1 Bd7 13.c4; 8.a3 0-0 9.0-0 a5 10.Bb2 d5 11.c3 bc3 12.Bc3 de4 13.Ne4; 8.Bb2 Bd7 9.0-0 0-0 10.a3 Qc7 11.Qe2 Rfe8 12.c3 ba3 13.Ba3; 8.Rb1 0-0 9.0-0 h6 10.Nc4 Ne4 11.Be4 d5 12.Bd3 dc4 13.Bc4; 8.Nb3 0-0 9.0-0 Bd7 10.Qe2 Qb6 11.Bb2 Ng4 12.Rad1 h6 13.Nfd2) 8...0-0 9.Bb2 Bd7 10.a3 Qc7 11.Qe2 ba3 12.Ba3 Ng4 13.e5.

    6.h4 Nc6 7.Bf4 A) 7...Ng4 8.Nbd2 (8.0-0 e5 9.Bg5 f6 10.Bc1 ed4 11.Bb2 Nge5 12.Nd4 Be7 13.Nd2; 8.Bg3 Be7 9.0-0 0-0 10.Nbd2 f5 11.Ng5 Nd4 12.ef5 ef5 13.Ndf3; 8.a3 Be7 9.ab4 e5 10.Bg5 0-0 11.c3 ed4 12.b5 Nce5 13.cd4) 8...e5 9.Bg3 ed4 10.Bb5 a6 11.Bc6 bc6 12.a3 b3 13.Nb3; B) 7...Be7 8.Nbd2 (8.0-0 0-0 9.Nbd2 h6 10.Qb1 d5 11.Qb2 b6 12.Rfd1 Bb7 13.Re1) 8...h6 9.0-0 0-0 10.Rc1 d5 11.e5 Ng4 12.h5 f5 13.ef6; C) 7...e5 8.de5 (8.Be3 ed4 9.Nd4 Ng4 10.Bb5 Bd7 11.Nd2 Ne3 12.fe3 Be7 13.0-0) 8...de5 9.Ne5 Qd4 10.c3 bc3 11.Nc6 bc6 12.Be3 Qb4 13.Qc1; D) 7...h6 8.0-0 (8.Nbd2 Be7 9.0-0 0-0 10.Qe2 d5 11.e5 Ng4 12.h5 f5 13.ef6; 8.a4 Ng4 9.0-0 Be7 10.Bg3 0-0 11.Nbd2 f5 12.ef5 ef5 13.Bf4; 8.Qc1 Ng4 9.Nbd2 Qf6 10.Nb3 Be7 11.h5 0-0 12.Bg3 g6 13.0-0) 8...Be7 9.Nbd2 0-0 10.Qe2 d5 11.e5 Ng4 12.h5 f5 13.ef6; E) 7...Qc7 8.Nbd2 (8.0-0 Be7 9.Nbd2 e5 10.Be3 ed4 11.Nd4 Ng4 12.Nb5 Qd8 13.Nc4; 8.c3 Be7 9.cb4 e5 10.Be3 0-0 11.Nc3 Nb4 12.Rc1 Qa5 13.0-0; 8.Qc1 Be7 9.0-0 0-0 10.Qb2 e5 11.de5 de5 12.Ne5 Bd6 13.Nc6) 8...Be7 9.0-0 Bd7 10.Nc4 b5 11.Ne3 0-0 12.e5 Nd5 13.Nd5.

    6.h4 Bd7 7.0-0 A) 7...Qc7 8.Bb2 (8.c3 Nc6 9.a3 bc3 10.Nc3 Nd4 11.Bd2 Nf3 12.Qf3 Qa5 13.Qe2; 8.a3 Nc6 9.Bd2 d5 10.ed5 Nd5 11.c4 Nf6 12.Qe2 Ng4 13.g3; 8.Nbd2 Nc6 9.Bb2 Be7 10.c3 0-0 11.Rc1 Qd8 12.Qc2 h6 13.Nc4; 8.Bd2 d5 9.ed5 Nd5 10.a3 Nc6 11.c4 Nf6 12.ab4 Nb4 13.Be2; 8.Bg5 Nc6 9.Nbd2 Be7 10.Nc4 h6 11.Bd2 0-0 12.Qe2 b5 13.Ne3) 8...Be7 9.c3 Nc6 10.a3 ba3 11.Na3 0-0 12.Re1 a6 13.Nc4; B) 7...Be7 8.a3 (8.c3 0-0 9.a3 ba3 10.Ba3 Nc6 11.Nbd2 Qc7 12.Nc4 b5 13.Ne3; 8.Bd2 a5 9.c3 0-0 10.a3 Nc6 11.ab4 ab4 12.Ra8 Qa8 13.cb4; 8.Nbd2 Nc6 9.Nc4 d5 10.ed5 Nd5 11.h5 Qc7 12.Qe2 Bf6 13.Qe4) 8...Nc6 9.ab4 Nb4 10.Nc3 Bc6 11.Bf4 0-0 12.Re1 a5 13.e5; C) 7...Nc6 8.Nbd2 (8.a3 d5 9.ed5 Nd5 10.ab4 Ncb4 11.c4 Nd3 12.Qd3 Nb4 13.Qb3; 8.Bd2 Be7 9.a3 a5 10.c3 0-0 11.ab4 ab4 12.Ra8 Qa8 13.cb4; 8.Qe2 Be7 9.Nbd2 0-0 10.Nc4 Qc7 11.e5 Nd5 12.Bd2 de5 13.Nce5; 8.Bf4 Be7 9.Nbd2 0-0 10.Qc1 h6 11.Qb2 d5 12.Rfe1 a5 13.Bg3; 8.Re1 Be7 9.a3 0-0 10.c3 a5 11.ab4 ab4 12.Ra8 Qa8 13.Qb3) 8...Be7 9.Nc4 0-0 10.d5 b5 11.Ne3 Ne5 12.Ne5 de5 13.Qf3.

    6.h4 Bd7 7.a3 A) 7...d5 8.ed5 (8.e5 Ne4 9.0-0 Nc6 10.Qe2 f5 11.ef6 Qf6 12.Qe3 e5 13.de5) 8...Nd5 9.0-0 Nc6 10.ab4 Ncb4 11.c4 Nd3 12.Qd3 Nb4 13.Qe4; B) 7...Qa5 8.Nbd2 (8.0-0 Nc6 9.Bb2 d5 10.e5 Ne4 11.Qe2 Nc3 12.Qe3 Na4 13.ab4; 8.Bb2 d5 9.e5 Ne4 10.0-0 Nc6 11.ab4 Qb4 12.Ba3 Qb6 13.Re1) 8...Nc6 9.0-0 Qc7 10.Nc4 d5 11.ed5 Nd5 12.Bd2 f6 13.h5; C) 7...Be7 8.ab4 d5 9.ed5 ed5 10.0-0 Nc6 11.c3 a6 12.Bf4 0-0 13.Nbd2; D) 7...Nc6 8.c3 (8.0-0 Be7 9.ab4 Nb4 10.Nc3 Qc7 11.Nb5 Qb6 12.Nd6 Bd6 13.e5; 8.ab4 Nb4 9.0-0 Be7 10.c4 0-0 11.Nc3 Ng4 12.Bf4 Qc7 13.Rc1) 8...a5 9.0-0 Be7 10.Bb2 ba3 11.Na3 0-0 12.Qc2 g6 13.Rfe1.

    6.h4 Bd7 7.c3 A) 7...Qb6 8.Bb2 (8.cb4 d5 9.ed5 Bb4 10.Nbd2 Nd5 11.0-0 Nc6 12.Nc4 Qc7 13.Bd2; 8.0-0 Nc6 9.Bb2 Be7 10.Nbd2 0-0 11.a3 bc3 12.Bc3 Qc7 13.Rc1) 8...Na6 9.Nbd2 Rc8 10.c4 h6 11.0-0 Be7 12.e5 Ng4 13.Qe2; B) 7...Be7 8.a3 (8.0-0 Nc6 9.a3 a5 10.Bb2 ba3 11.Na3 0-0 12.Nb5 Qb6 13.c4; 8.cb4 Nc6 9.a3 0-0 10.0-0 Rc8 11.Nbd2 Ng4 12.Bb2 h5 13.Rc1) 8...ba3 9.Ba3 Nc6 10.0-0 0-0 11.Nbd2 h6 12.Qb3 a5 13.Qb7; C) 7...Nc6 8.a3 (8.0-0 Rc8 9.Bb2 Be7 10.a3 bc3 11.Nc3 0-0 12.Rc1 Ng4 13.Qe2) 8...a5 9.0-0 Be7 10.Bb2 ba3 11.Na3 0-0 12.Nb5 Qb6 13.c4; D) 7...a5 8.cb4 (8.Bf4 Be7 9.0-0 Nc6 10.cb4 Nb4 11.Nc3 Rc8 12.Rc1 0-0 13.Bb1; 8.0-0 Nc6 9.a3 Be7 10.Bb2 ba3 11.Na3 0-0 12.Nb5 Qb6 13.c4; 8.a3 Nc6 9.0-0 Be7 10.Bb2 ba3 11.Na3 0-0 12.Qc2 g6 13.Rfe1; 8.Bb2 Nc6 9.0-0 Be7 10.a3 ba3 11.Na3 0-0 12.Nb5 Qb6 13.c4; 8.Bd2 Qb6 9.0-0 Nc6 10.Re1 Be7 11.Qb3 d5 12.Na3 a4 13.Qb2) 8...ab4 9.0-0 Be7 10.Nbd2 Nc6 11.Bb2 0-0 12.Qe2 Ng4 13.Nc4; E) 7...Bc6 8.0-0 (8.cb4 Be4 9.Nc3 d5 10.a3 Nc6 11.Be3 Rc8 12.Rc1 Be7 13.0-0; 8.Bg5 Na6 9.0-0 Be7 10.a3 ba3 11.Qe2 h6 12.Bf6 Bf6 13.Na3; 8.Qc2 d5 9.e5 Ne4 10.cb4 Bb4 11.Nbd2 Bc3 12.Rb1 Na6 13.a3; 8.Qe2 d5 9.ed5 Bd5 10.0-0 Nc6 11.Bb2 Bf3 12.Qf3 Bd6 13.cb4; 8.a3 Be4 9.cb4 a5 10.b5 Nbd7 11.Nc3 d5 12.0-0 Rc8 13.Bb2) 8...Be4 9.cb4 d5 10.b5 Nbd7 11.Nc3 Rc8 12.Bb2 Bd3 13.Qd3.

    6.h4 Bd7 7.Nbd2 A) 7...Nc6 8.0-0 (8.Nc4 Ne4 9.Be4 d5 10.Qe2 Be7 11.0-0 de4 12.Qe4 0-0 13.Bg5; 8.Qe2 Be7 9.0-0 0-0 10.Nc4 Qc7 11.Bf4 Nd4 12.Nd4 e5 13.Be3; 8.Bb2 Be7 9.0-0 0-0 10.a3 Qc7 11.c3 bc3 12.Bc3 d5 13.e5) 8...Be7 9.Nc4 0-0 10.d5 b5 11.Ne3 Ne5 12.Ne5 de5 13.Qf3; B) 7...Qc7 8.Bb2 (8.0-0 Be7 9.Bb2 0-0 10.c3 Nc6 11.Rc1 Qd8 12.Qb3 a5 13.a4; 8.Nc4 Ne4 9.Be4 d5 10.Bd5 ed5 11.Ne3 Be6 12.Bb2 Be7 13.Ng5; 8.Qe2 Be7 9.0-0 Nc6 10.Bb2 h5 11.Rfc1 0-0 12.c3 bc3 13.Bc3; 8.a4 Be7 9.0-0 Nc6 10.Nc4 d5 11.ed5 Nd5 12.h5 Bf6 13.Bb2) 8...Nc6 9.0-0 Be7 10.Rc1 0-0 11.c3 Qd8 12.Qe2 g6 13.Rfe1; C) 7...Be7 8.Nc4 (8.0-0 Nc6 9.Nc4 0-0 10.Qe2 Qc7 11.Bd2 d5 12.ed5 ed5 13.Nce5; 8.a3 Nc6 9.0-0 0-0 10.Bb2 h6 11.c3 bc3 12.Bc3 d5 13.Qb3; 8.e5 de5 9.de5 Nd5 10.Ne4 0-0 11.0-0 Qc7 12.Bg5 Bg5 13.hg5; 8.Bb2 Nc6 9.0-0 0-0 10.a3 h6 11.ab4 Nb4 12.Be2 Qc7 13.c3; 8.Qe2 Nc6 9.0-0 0-0 10.Nc4 Qc7 11.Bf4 Nd4 12.Nd4 e5 13.Be3) 8...Nc6 9.0-0 0-0 10.d5 b5 11.Ne3 Ne5 12.Ne5 de5 13.Qf3.

    6.h4 Be7 7.0-0 A) 7...0-0 8.a3 (8.c3 Qb6 9.Bb2 Nc6 10.Nbd2 h6 11.Nc4 Qc7 12.Ne3 bc3 13.Bc3) 8...Nc6 9.c3 ba3 10.Nbd2 a2 11.Ra2 Bd7 12.Ba3 Qc7 13.Nc4; B) 7...Bd7 8.a3 (8.c3 Nc6 9.a3 a5 10.Bg5 h6 11.Bd2 0-0 12.ab4 ab4 13.Ra8; 8.Nbd2 0-0 9.Nc4 Nc6 10.d5 b5 11.Ne3 Ne5 12.Ne5 de5 13.Qf3; 8.Bd2 Nc6 9.a3 a5 10.c3 0-0 11.ab4 ab4 12.Ra8 Qa8 13.cb4) 8...Nc6 9.ab4 Nb4 10.Nc3 Qc7 11.Nb5 Qb6 12.Nd6 Bd6 13.e5; C) 7...Qc7 8.c4 (8.a3 Nc6 9.c3 bc3 10.Qb3 c2 11.Qc2 Bd7 12.Bf4 Rc8 13.Nbd2; 8.c3 0-0 9.a3 bc3 10.Qc2 Nc6 11.Nc3 a6 12.Rb1 Bd7 13.Bf4; 8.Nbd2 Nc6 9.Bb2 0-0 10.Rc1 Bd7 11.c3 Qd8 12.Qb3 a5 13.a4; 8.Bb2 Nc6 9.Nbd2 0-0 10.Rc1 Bd7 11.c3 Qd8 12.Qb3 a5 13.a4) 8...Nc6 9.a3 0-0 10.ab4 Nb4 11.Nc3 Bd7 12.e5 Ng4 13.Bg5; D) 7...Nc6 8.a3 (8.Bf4 0-0 9.Nbd2 h6 10.Qe2 d5 11.e5 Ng4 12.h5 f5 13.ef6) 8...0-0 9.ab4 Nb4 10.Nc3 Ng4 11.Ba3 Nd3 12.cd3 Bd7 13.Qd2.

    6.h4 Be7 7.a3 A) 7...d5 8.ed5 (8.e5 Ne4 9.ab4 0-0 10.c3 Nc6 11.Qe2 Bd7 12.Be4 de4 13.Qe4) 8...ed5 9.ab4 Bb4 10.c3 Be7 11.0-0 Nc6 12.Qb3 0-0 13.Re1; B) 7...Na6 8.c3 d5 9.e5 Ng4 10.Ng5 f5 11.ef6 Nf6 12.ab4 0-0 13.b5; C) 7...0-0 8.ab4 Nc6 9.c3 Qc7 10.0-0 Bd7 11.Na3 d5 12.ed5 ed5 13.Re1; D) 7...Qa5 8.Bb2 (8.Nbd2 Nc6 9.0-0 Qc7 10.ab4 Nb4 11.Ba3 Nd3 12.cd3 Bd7 13.e5; 8.0-0 Nc6 9.Nbd2 b5 10.Qe2 Rb8 11.Bb2 Qb6 12.c3 b3 13.Nb3) 8...ba3 9.Bc3 Qh5 10.Na3 0-0 11.Nc4 Nc6 12.e5 de5 13.Nfe5; E) 7...Nc6 8.0-0 (8.c3 ba3 9.Ba3 0-0 10.Nbd2 a5 11.0-0 h6 12.Nc4 d5 13.ed5; 8.ab4 Nb4 9.Nc3 Qb6 10.0-0 0-0 11.Rb1 a5 12.Na2 Qc7 13.Nb4) 8...0-0 9.c3 ba3 10.Nbd2 Qc7 11.Ba3 h6 12.Nc4 d5 13.Be7.

    6.0-0 Nc6

    7.a3 ba3 8.Na3 Be7 -/+.

    7.Bb2 d5 8.Nbd2 Be7 9.Ne5 0-0 10.Nc6 bc6 11.e5 Nd7 12.f4 (12.c4 Ba6+=) 12...g6 (12...c5 13.Qh5 f5 14.dc5 Nc5 15.Bd4-/+) 13.g4 (13.a3!?+=) 13...c5-/+ 14.c3 bc3 15.Bc3 cd4 (15...f6!?-/+) 16.Bd4+= Bc5 17.Bf2 Rb8 18.Nb3 Bf2 19.Rf2 Qb6 20.Qe2 (20.g5 Rd8+=) 20...Nc5 (20...f6!? 21.Raf1 fe5 22.fe5 Bb7-/+) 21.Nc5 Qc5 22.h4 Rb4 23.Kh2 Rd4 (23...f6 24.Raf1-/+) 24.Raf1 Bd7 25.h5 Rd3! 26.Qd3 Bb5 27.Qb1 Bf1 28.Rf1 Rc8 29.Qe1 Qa3 30.Qb1 (30.hg6 hg6 31.Qe2 Rc3-+) 30...Qe3 (30...Rc3 31.Qe1-+) 31.h6? (better is 31.Qb2-+) 31...g5 32.fg5 Qe5 33.Kh3 (33.Kg2-+) 33...Rc3 0–1. Czypinski,Jaroslav – Haessel,D, 10, Canadian Open, Winnipeg CAN, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Nc6)

    7.Bb2 d5 8.ed5 Qd5 9.c4 bc3 10.Nc3 Qh5 -/+.

    7.Bb2 d5 8.e5 Nd7 9.a3 Be7 10.ab4 Nb4 11.Be2 (11.Ba3 Nb8-/+) 11...0-0 Black has a cramped position. Black's piece can't move: c8 (11...a5 12.Qd2-/+) 12.Na3 (12.c3 Nc6-/+) 12...f6 (12...Nc6 13.Bc1-/+) 13.Nb5 (13.c3 Nc6 14.ef6 Nf6-/+ (worse is 14...Bf6 15.Re1=)) 13...Nc6 (13...a6!?-/+) 14.c4 Nb6 (14...a6 15.Nc3 dc4 16.ef6 Bf6 17.Ba3-/+) 15.c5 White threatens to win material: c5xb6 15...Nd7 16.Nd6? Praise the knight! (better is 16.ef6 and White could well hope to play on 16...Rf6 17.Nc3=) 16...fe5-+ 17.Ne5 Nce5 18.de5 Nc5 19.Qd4? (better is 19.Ra3 Bd6 20.ed6 Qd6 21.Qd4-/+) 19...Nb3 20.Qg4 Na1 21.Bd3 Bg5 22.Ba1 (22.Nc8 is not the saving move 22...Rc8 23.Qe6 Kh8 24.Ba1 Rc6-+) 22...Bh6 23.Qh3 (23.g3 doesn't do any good 23...a5-+) 23...Bd7 (23...Rf4 seems even better 24.g3 Ra4 25.Bb2-+) 24.Bd4 (24.Nb7 cannot change what is in store for White 24...Qe7-+) 24...Qg5 (better is 24...Rf4 might be the shorter path 25.Be3 Rh4 26.Qg3-+) 25.g3 (25.Nb7 Qf4 26.Nc5 Qd4 27.Nd7 Rfe8-+) 25...Qd2 (better is 25...Rf3 and Black can already relax 26.Bb5 Qe7 27.Qg4 Bb5 28.Nb5-+) 26.g4 (26.Bb5 does not win a prize 26...Bb5 (26...Qd4?! 27.Bd7 Qe5 28.Qe6 Qe6 29.Be6 Kh8 30.Nf7 Rf7 31.Bf7-/+) 27.Nb5 Qd3-+) 26...g6 (26...b6 keeps an even firmer grip 27.Bc3 Qg5 28.Qg3-+) 27.Kh1 (27.Nb7 does not solve anything 27...Rab8 28.Nc5 Bc8-+) 27...Bf4 (better is 27...Rf4 seems even better 28.Bb5 Qd4 29.Bd7 Qe5 30.Nb7-+) 28.Rg1 (28.g5 cannot undo what has already been done 28...Bh2! Double attack: d4/h2 29.Nb7 Bf4-+) 28...a5 (28...b6 and Black can already relax 29.g5-+) 29.g5 (29.Nb7 doesn't change the outcome of the game 29...Qb4 30.Nc5 Bc8-+) 29...a4 30.Rg4 (30.Nb7 the last chance for counterplay 30...a3 31.Nc5-+) 30...Be5! Decoy: e5 31.Bc5 (31.Be5 Qe1 Decoy Double attack) 31...Qc1 32.Rg1 Qc5 33.Bg6 hg6 34.Qh6 Qc2 35.Rg4 Bg7 36.Rh4 Bh6 37.Rh6 Rf2 38.Rh8 Kh8 39.Nf7 Rf7 40.Kg1 Qf2 0–1. Euler,Gerd (2415) – Fuhrmann,Daniel (2300), BL2–Ost, 2002. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d6 5.Bd3 Nf6 6.0-0 Nc6)

    7.Bb2 Bd7 8.d5 ed5 9.ed5 Nd5 10.Re1 Be6 11.Bh7 -/+.

    7.c4 bc3 8.Nc3 Be7 +=.

    7.Nbd2 Qc7 8.a3 Be7 9.Re1 a6 10.Rb1 a5 11.Nf1 d5 12.Ng3 Rb8 13.a4 Na7 14.e5 Nd7 15.Nh5 Bf8 16.Ng5 Nb6 17.Qg4 Na4 18.Nh7 Nc3 19.Ra1 Nab5 20.Ng7 Kd7 21.Nf8 Rf8 22.Ne6! Kc6 (22...fe6 23.Qg7 Double attack) 23.Nc7 Bg4 24.Nb5 Nb5 25.Ra5 Nd4 26.Be3 Ne6 27.h3 Bh5 28.f4 f5 29.ef6! Rf6 30.f5 Ng7 31.Bd4 Rf7 32.g4 Rg8 33.Kh2 Bg4 34.hg4 Nf5 (34...b6 35.Rb5 Rb8 36.Rb4+-) 35.Bf5 (35.Bf5 Rf5 36.Re6 Kd7 37.gf5+-) 1–0. Comas Fabrego,Luis (2440) – Alonso Garcia,Antonio, Aviles op, 1992. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6)

    7.Nbd2 e5 8.h3 (8.d5 Ne7=) 8...Be7 (8...ed4 9.Bb2+=) 9.Bb2 (9.d5 Nb8=) 9...ed4+= 10.Nd4 Nd4 (10...0-0 11.c4+=) 11.Bd4= 0-0 12.f4 (12.Rb1 Qa5=) 12...b6 (12...Qa5 13.Nb3 Qa3 14.e5 de5 15.fe5+=) 13.Bb2 (13.Rb1 d5 14.e5 Nd7+=) 13...Bb7 (13...d5 14.e5 Bc5 15.Kh1-/+) 14.Qe2 White intends e5 (14.Bd4 d5 15.e5 Ne4-/+) 14...Qc7-/+ 15.e5 (15.Bd4 d5 16.e5 Bc5 17.Bc5 Qc5 18.Kh2 Rfe8+=) 15...Nd5 (15...de5 16.Be5 Qc6 17.Nb3-/+) 16.Ne4 (16.Qe4 g6-/+) 16...Nc3 17.Bc3 bc3 18.Nf6 Bf6 19.ef6 g6 (19...Qc5 20.Kh1-/+) 20.Rae1 (20.Rfe1 Qd7-/+) 20...Qd8 (20...Bd5 21.a4-/+) 21.Qe7 Bd5 22.a3 (22.f5 g5-/+ (22...Ba2 23.fg6 Qe8 24.gh7 Kh8 25.Qd6+-)) 22...Re8+= 23.Qd8 Red8 (23...Rad8!? 24.Re8 Re8-/+) 24.f5 (24.Re7 a6+=) 24...g5 25.Re7 a5 (25...Kf8 26.Rd1=) 26.Rfe1 (26.Rb1 Rab8=) 26...Rf8 (26...Rab8 27.Bb5=) 27.Rc7 (27.Rb1!?+=) 27...Rac8= 28.Ree7 (28.Rd7 Rfd8 29.Rde7 h5+=) 28...h5+= ½–½. Kaspereit,Holger – Mettendorf,G, Oberliga Baden9293, 1993. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 e6)

    7.Nbd2 Be7 8.Bb2 +=.

    7.Qe2 Be7 8.a3 0-0 9.Bd2 d5 10.e5 Nd7 11.Be3 f5 12.ef6 Nf6 13.Ng5 Bd6 14.f4 Qc7 15.Qf2 g6 16.Qh4 Qg7 17.Rf3 (17.Nf3 Ne4-/+) 17...Nh5 18.Nh3?? (better is 18.Qf2-/+) 18...Nd4-+ 19.Rf1 Nf5 20.Bf5 ef5 (20...Qa1!? 21.Bg4 d4 22.Bf2 Nf4 23.Nf4 Bf4 24.ab4-+) 21.Ra2 d4 22.Bd2 Be6 23.Ra1 Rac8 (better is 23...d3 24.c3 Bc5 25.Kh1 b3-+) 24.ab4 Rc2 25.Qe1 Bd5 26.Ra7 (26.Ra5 Be4 27.Ng5 Qe7-+) 26...Nf6 (better is 26...Bb4!? 27.Ra4 Bc5 28.Kh1-+) 27.Na3 Rcc8 28.Ng5 Rfe8 29.Qd1 Ne4 30.Nf3 Bb8 31.Ra5 Rcd8 32.Nc2 Bc4 33.Re1 b5 34.Ncd4 (34.Na3 Qb7-+) 34...Nd2 (better is 34...Rd4!? 35.Nd4 Qd4 36.Be3 Qd1 37.Rd1 Bd6-+) 35.Re8 Re8 36.Qd2 Ba7 37.Ne5 Rd8 38.Ra7 Qa7 39.Nec6 Qa1 40.Kf2 Re8 41.Ne5 Qf1 42.Kg3 Ra8 (better is 42...Rd8!?-+) 43.Nb5+= Be6?? (better is 43...Kg7 44.Nc4 Qc4 45.Qd4 Qd4 46.Nd4 Ra3 47.Kf2 Ra4-/+) 44.Nc7+- Ra3 45.Kh4 Bf7 46.Qd8 Kg7 47.Ne6!! Be6 (47...Be6 48.Qe7 Mate attack) 48.Qe7 (48.Qe7 Kg8 49.Qe6 Kh8 50.Qf6 Kg8 51.Qf7 Kh8 52.Qf8) 1–0. Gardner,Robert – Yip,Michael, Winnipeg Kent Oliver Memorial, 1993. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 e6)

    6.0-0 d5

    7.Nbd2 Nc6 =.

    7.e5 Ne4 8.Qe1 =.

    7.e5 Nfd7

    8.a3 Nc6 9.c3 bc3 10.Nc3 Be7 +=.

    8.Ng5 Nc6 9.Ne6 fe6 10.Qh5 Ke7 11.Bg5 Nf6 12.Qh4 =.

    8.Ng5 Nc6 9.Bh7 Qb6 -/+.

    8.Ng5 Nc6 9.Nh7? Qh4-+ (9...Nd4?! 10.Nf8 Kf8 11.Bf4-/+).

    8.Ng5 Be7= 9.Qh5 Will h7 fall? (better is 9.h4=) 9...Bg5 (better is 9...g6!? 10.Qh6 Bf8=) 10.Bg5+/- (worse is 10.Qg5 Qg5 11.Bg5 b6+=) 10...Qb6 (10...Qc7 11.Nd2+/-) 11.Be3 (11.Bh7? Nf8 12.Nd2 Rh7-+) 11...Nc6 12.Nd2 Nf8 (12...h6 13.Nf3+/-) 13.Rfb1 (13.a3 ba3 (13...Nd4?? 14.Rfb1+-) 14.Ra3 Ng6+- (14...Nd4 15.Rb1 Qc5 16.Ra4+-)) 13...Qc7 (13...a5 14.Nf3+/-) 14.a3 ba3 15.Ra3 Ng6 16.f4 (16.Nf3 Nce7+/-) 16...Bd7 (16...0-0 17.c4 Nce7 18.Rc3+=) 17.c4 (17.Nf3 Na5+/-) 17...Nge7 (17...Nce7 18.g4 0-0 19.f5 dc4 20.fg6 fg6 21.Qg5 cd3 22.Qe7+/-) 18.g4 (18.Rab3 Rb8+/-) 18...g6 (18...a5!?+/-) 19.Qh6 0-0-0 20.c5 Rdg8 (20...Na5 21.Qg7+/-) 21.Nf3 (better is 21.Ra2+-) 21...a6 (better is 21...Qd8!?+/-) 22.Bd2+- Kd8 (22...Rf8 23.Rab3+-) 23.Rab3 (23.Bc3 Kc8+-) 23...Bc8 24.Rb6 (24.Bc3 Qd7 25.Ng5 Qe8 26.Nh7 Qd7+-) 24...Ke8 (24...Rf8 25.Be3+-) 25.Kf2 (25.Bc3 Rf8+-) 25...Nd8 (25...Rf8 26.Kg2+-) 26.Ke3 (26.Kg3 Nec6 27.Re1 Qe7+-) 26...Bd7 (26...Rf8 27.Ra1+-) 27.Be1 (27.Ba5 Nec6 28.Be1 Na7+-) 27...Rf8 (27...Nc8 28.R6b3 Bb5 29.Bh4 Bd3 30.Kd3+- (30.Rd3?! b6+-)) 28.Bh4 (better is 28.Ng5 Bb5 29.Bb5 ab5 30.R6b5+-) 28...f5?? (better is 28...Bc6+-) 29.gf5 (better is 29.ef6 Nf7 30.Qg7 Rhg8 31.Rb7 Qc8 32.Qh7 Rh8 33.fe7 Rh7 34.ef8Q Kf8+-) 29...gf5 30.Bf6 Rhg8 31.Qh5 (better is 31.Ng5 Bc6 32.Qh7+-) 31...Nf7 (31...Rf7+-) 32.Rb7 Qa5 (32...Qc8 33.Rb8 Rg6+-) 33.Be7 Ke7 34.c6 (34.Qh4 Rg5 35.Ng5 Ke8 36.Ne6 Nh6 37.Rb8 Qd8 38.Rd8 Kf7 39.Qf6 Kg8 40.Rf8) 34...Rd8 35.cd7 Rg2 36.Qh4 Kf8 37.Rb8 (37.Qh7 Rg7 38.Qh5 Rg2+-) 37...Qc7 38.Rd8 Nd8 (38...Qd8 39.Qh7 Rg7+-) 39.Qf6 Kg8 40.Qe7 (40.Qe7 h6 41.Nh4+-) 1–0. Onkoud,A (2305) – Miniboeck,G (2410), 34th Olympiad, Istanbul TUR, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 d5)

    8.Ng5 h6?? 9.Ne6 (9.Qh5 hg5 10.Qh8 Nc6+-) 9...Qb6 (9...fe6 10.Qh5 Ke7 11.Qh4 Nf6 12.Bg5=) 10.Nf4 (10.Nf8 Nf8 11.Be3 Nc6+/-) 10...Qd4+= 11.e6 (better is 11.c3 bc3 12.e6+=) 11...Qa1-+ 12.ef7 Kf7 (better is 12...Kd8 13.Ne6 Ke7-/+) 13.Qh5+/- Ke7 14.Re1 Kd6?? (14...Ne5 15.Re5 Kd6 16.Qg6 Ke5 17.Ne2 Qd4 18.Nd4 Bg4 19.Be3 Bd6 20.Qg7) 15.Re6 Kc7 16.Nd5 1–0. Guedes,Luis Maio – Machado,Wander Jr, Brasil SB–ch fin, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 d5)

    6.0-0 Be7

    7.a3 d5 8.Nbd2 Nc6 9.e5 Nd7 10.c4 (10.Qe2 Qc7+=) 10...bc3-/+ 11.Nb1 0-0 12.Nc3 a6 13.Ne2 f6 14.Nf4 (14.ef6 Bf6 15.Qc2 h6+=) 14...Nb6 (14...Nde5!? 15.de5 fe5-/+) 15.ef6 (15.Qc2 f5+=) 15...Bf6+= 16.Nh5 Be7 (worse is 16...Nd4 17.Nf6 Qf6 18.Nd4+/-) 17.Ne5 Ne5 (17...Nd4? 18.Qg4 Bf6 19.Qd4 Be5 20.Qe5+-) 18.de5 Nc4 19.Qg4 Rf7 20.Qh3 (20.Bc4!? dc4 21.Qc4+=) 20...g6-/+ (20...Ne5?! 21.Bh7 Kf8 22.Nf4+=) 21.Bc4 dc4 (worse is 21...gh5 22.Bd3=) 22.Qg4 Kh8 23.Ng3 b5 24.Be3 Qd5 (24...Kg8!?-/+) 25.Rfd1= Qc6 (25...Qe5?? 26.Bd4 Qd4 27.Qd4 (27.Rd4?! e5 28.Qe4 ed4 29.Qa8 Rf8+-) 27...Kg8 28.Qe3+-) 26.Ne4 Bb7 27.Nd6 Bd6 28.ed6 (28.Rd6 Qe8=) 28...Rd8 29.Bd4 Kg8 30.Be5 Rf5 31.f4 Kf7 (31...Qc5 32.Kh1+=) 32.Ra2 Rd7 33.h4 (better is 33.Qh3!? Kg8 34.Kh1+=) 33...Qc5-/+ 34.Kh2 Qe3 (34...Re5 35.fe5 Qe5 36.Kg1 Rd6 37.Rf2 Kg7 38.Rdf1-/+) 35.Rdd2 (35.Qe2 Qe2 36.Re2 h6-/+) 35...Bd5 (35...Re5!? 36.fe5 Qe5 37.Kg1 Rd6 38.Rd6 Qd6-+) 36.Re2 Qb6 37.Rac2 (37.Qg3 Qd8-/+) 37...h5 (37...Rd6 38.Qg3 Rd7 39.Rc3-+) 38.Qh3 (38.Qg3!?+=) 38...Rd6-/+ 39.Qc3 Rd8 40.Rcd2 Rg8 41.Re3 a5 ½–½. Alves jr,Joaquim Fabiano – Kover,Warner Bruce, CBI–C–VII–S–001, 1988. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.a3 d5 8.e5 Nfd7 9.ab4 Nc6 (9...Na6 10.b5 Nab8 11.Qe2+/-) 10.c3 (10.b5 Na5+/-) 10...b6 (10...0-0 11.Bf4+/-) 11.Na3 0-0 (11...a5 12.b5 Na7 13.Bb2+=) 12.Qe2 (12.Nb5 f6 13.ef6 Nf6+/-) 12...Bb7 (12...a5 13.b5 Ncb8 14.h3+/-) 13.h3 (13.Nb5 a5 14.ba5 Na5+/-) 13...Rc8 (13...a6 14.Bf4+/-) 14.Bd2 Black has a cramped position (14.Nb5+/-) 14...Qc7? (14...a5!?+= is noteworthy) 15.Nb5 (15.Bg5 Qd8 16.Be7 Qe7+/-) 15...Qb8 16.Bg5 a6 (16...h6!? 17.Be7 Ne7 18.Rfc1+-) 17.Be7+- Ne7 18.Nd6 Rc3? (18...Rc6 19.Qb2+-) 19.Bh7+/- Kh8?? terrible, but what else could Black do to save the game? (19...Kh7 20.Ng5 Kg6 21.Ngf7 Ne5 22.Ne5 Kh7 23.Qh5 Kg8+-) 20.Ng5+- g6 21.Qg4 Kg7 22.Qh4 Nf5 (22...Nc6 23.Ndf7 Rf7 24.Ne6 Kh8 25.Bg6 Kg8 26.Bf7 Kf7 27.Ng5 Ke8 28.Qh5 Kd8 29.Qh8 Nf8 30.Qf8 Kc7 31.Qf7 Kc8 32.Qe8 Nd8+-) 23.Nf5 ef5 24.Bg8!! Mate attack 24...Nf6 (24...Rg8 25.Qh7 Mate attack; 24...Kg8 25.Qh7 Mate attack) 25.ef6 Kf6 26.Nf7 Ke6 (26...g5 doesn't change the outcome of the game 27.Qh6 Ke7 28.Rfe1 Kd7 29.Qe6 Kc7 30.Qd6 Kc8 31.Qf8 Kd7 32.Qb8 Re3 33.Qd6 Ke8 34.Qd8) 27.Rfe1 Kd7 (27...Re3 hardly improves anything 28.Re3 Qe5 29.Re5 Kd7 30.Qe7 Kc6 31.Nd6 b5 32.Rc1 Kb6 33.Qb7) 28.Qe7 Kc6 (28...Kc8 is not the saving move 29.Qf8 Kd7 30.Qb8 Re3 31.Qd6 Ke8 32.Qd8) 29.Ne5 (29.b5 Kb5 30.Rab1 Rb3 31.Rb3 Kc6 32.Rc1) 29...Kb5 30.Reb1 (30.Qd7 Bc6 31.Nc6 Qb7 32.Ra5 ba5 33.Qd5 Kb6 34.ba5 Kc7 35.Re7 Kc8 36.Qe6 Qd7 37.Qd7) 30...Rg8 31.Ra5!! Deflection: b3 31...ba5 (31...ba5 32.ba5 Mate attack Deflection) 32.ba5 Ka5 (32...Rb3 doesn't get the bull off the ice 33.Rb3 Ka5 34.Qb4) 33.Qb4 1–0. Bodi,Tamas (2200) – Toth,Daniel (2125), Heves Fregatt 7th, 2001. (=1.Nf3 d6 2.e4 c5 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Be7)

    7.Bb2 0-0 8.Nbd2 d5 9.Qe2 Nc6 10.e5 Ne8 11.Ne1 f5 12.f4 g5 (12...Nc7 13.Nef3+=) 13.g4 (13.fg5!? Bg5 14.Nef3=) 13...Ng7-/+ 14.Kh1 Bd7 15.Rg1 Kh8 (15...gf4?! 16.gf5 ef5 17.Qg2=) 16.fg5 Bg5 17.Nef3 Bd2 18.Qd2 Qe7 19.g5 Be8 20.g6 Bg6 21.Rg6 hg6 22.Qh6 (22.Qh6 Kg8 23.Rg1+/-) 1–0. Shevchenko,Greg – Beaulieu,Jean Marie, corr, 1978. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Bb2 Nc6 8.c4 bc3 9.Nc3 0-0 10.Rc1 b6 11.e5 de5 12.de5 Nd7 13.Qc2 h6 (worse is 13...Nce5 14.Bh7 Kh8 15.Ne5 Ne5 16.Be4+/-) 14.Rfd1 Bb7 15.a3 Rc8 16.Qb1 a6 17.Ne4 Na5 18.a4 Nb3 19.Rc2 Nbc5 20.Rc4 Nd3 21.Rc8 Qc8 22.Qd3 Nc5 23.Nc5 bc5 24.Ne1 Rd8 25.Qc2 Rd1 26.Qd1 c4 27.Bc3 Qe8 28.Qb1 Bd5 29.a5 Qa4 30.Qb8 Bf8 31.Qb2 Qb3 32.Qd2 Be7 33.h3 Bg5 34.Qd4 f6 35.f4 fe5 36.fe5 Qb1 37.Kf2 Qe4 38.Qe4 Be4 39.Nf3 Be7 40.Ke3 Bd5 41.h4 Bc5 42.Kf4 Kf7 43.g4 Bf3 44.Kf3 Ke7 45.Ke4 Kd7 0–1. Ottenweller,Wolfgang (1910) – Schulze,Michael (2380), IECG, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Bb2 d5 8.Nbd2 Nc6 9.a3 ba3 10.Ra3? (10.Ba3 Ba3 11.Ra3 Nb4+=) 10...Nb4 (10...Ba3!? 11.Ba3 Qa5-/+) 11.Bb5 Bd7 12.Bd7 Nd7 13.ed5 Nd5 14.Rb3 b6 15.c4 N5f6 16.Ne5 Ne5 17.de5 Nd7 18.Rd3 Qc7 19.f4 Nc5 20.Rh3 Rd8 21.Qc2 Qd7 22.Ne4 Ne4 23.Qe4 g6 24.Bc3 Bc5 25.Kh1 a5 26.g4 Rc8 27.Rd3 Qc6 28.Qc6 Rc6 29.Rfd1 0-0 30.Kg2 Rfc8 31.f5 (better is 31.Kf3!?-/+) 31...ef5 32.gf5 Bf8 (32...gf5 33.Kf3-+) 33.f6 (33.Bd4!?-+) 33...Rc4 34.Ba1 Re8 35.Rd7 Rcc8 36.Ra7 Ra8 37.Rdd7 Ra7 38.Ra7 h6 39.Kf3 Bc5 40.Ke4 Rd8 41.Bc3 ½–½. Prochazka,Dalibor – Odehnal,Miroslav, CZE–chT2 Czechia, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.c3 bc3 8.Nc3 0-0 9.Rb1 b6 (9...Nc6 10.Qc2=) 10.e5 de5 11.de5 Nd5 12.Nd5 ed5 13.Qc2 h6 14.Be3 Bg4 15.Nd4 Bc5 16.Rfe1 (16.h3 Bd7+=) 16...Nd7 17.h3 Bd4 (17...Be6 18.Bb5 Qc7 19.Ne6 fe6 20.Qg6=) 18.Bd4 Be6 19.Ba6 (19.Bh7 Kh8 20.Bd3 Rc8+=) 19...Qg5 20.Rb3 Bf5 (20...Rae8 21.Bb7+=) 21.Qc7 (21.Qc1 Qh4 22.Qd2 Rad8=) 21...Qd2 22.Qc3 Qc3 (22...Qa2 23.Bb7+=) 23.Rc3 (worse is 23.Bc3 Nc5 24.Ra3 Na6 25.Ra6 Rfc8-/+) 23...Rfd8 24.g4 Be6 25.f4 (25.Rec1 Nc5 26.Bc5 bc5 27.Rc5 d4=) 25...Nc5 26.Be2 Ne4 27.Ra3 Nd2 (27...Kh7 28.f5 Bd7 29.Bd3=) 28.f5 Bd7 (28...Nc4 29.Rc3 Bc8 30.Kg2+=) 29.Rc1+= Nc4 30.Bc4 dc4 31.Rc4 Bb5 32.Rb4 Bc6 33.Kf2 Rd7 34.Ke3 Rad8 35.Bb2 Bg2 36.h4 Bd5 37.Rd4 (37.Rba4 a5+=) 37...Re8 (37...Kf8 38.Rda4+=) 38.Rd1 (38.Rd2 Red8+=) 38...Red8= 39.Rad3 g6 40.h5 g5 (40...gf5 41.gf5 Kh7 42.Bc3+=) 41.Ba3 Kh7 42.Rd4 Kg8 43.Bd6 Bc6 44.e6 fe6 45.fe6 Re8 46.e7 (46.Re4 Rg7 47.Re5 Bg2+-) 46...Kf7 47.R1d2 b5 48.Rc2 Rde7 49.Kf2?? (better is 49.Be7 Re7 50.Kd2+/-) 49...Re4-/+ 50.Re4 Be4 51.Rc7 Ke6 52.Bb4 a5 (52...Ke5 53.Ke3=) 53.Ba5 Rf8 54.Ke3 Rf4 55.Rc8 (55.Bb4 Bd5 56.a3 Rg4=) 55...Rg4-/+ 56.Rh8 Kd5 (56...Bd5 57.Rh6 Kf5 58.Rb6 Re4 59.Kd3 Bc4 60.Kc2-/+) 57.Be1 (57.Bc7!?+=) 57...Bf5-/+ 58.Rh6 (58.a3 Re4 59.Kf2 Ra4-/+) 58...Re4 59.Kf2 Ra4 60.Rh8 Ra2 61.Kg1 (61.Kf3 Ra3 62.Ke2 Kc4-/+) 61...g4 62.Rb8 Ra1 (better is 62...Kc5-/+) 63.Rb5= Ke6 (63...Ke4 64.Kf2=) 64.Kf2 g3 65.Kg3 Re1 66.Kf4 Re4 67.Kg5 Rg4 68.Kh6 Kf6 69.Rb8 (69.Rb6 Be6=) 69...Be6 70.Rf8 (70.Rb7 Rd4=) 70...Bf7 71.Ra8 Rb4 (71...Rd4 72.Ra3=) 72.Ra1 (72.Ra5 Rh4=) 72...Rb5 The isolani on h5 becomes a target (72...Re4 73.Ra5=) 73.Rh1 (73.Rf1 Ke6 74.Re1 Kd6 75.Rd1 Kc6 76.Rc1 Kb6=) 73...Ke7 (73...Bh5 74.Rh5 Rb8 75.Kh7=) 74.Re1 Kf8 (74...Kd6 75.Rd1 Kc6 76.Rc1 Kb6 77.Rh1=) 75.Rh1 Rf5 (75...Re5 76.Rh2=) 76.Rh3 Ke7 77.Re3 Kf6 78.Rh3 Be8 79.Rh2 ½–½. Batista,Helena (1870) – Wozniak,Zbigniew (1865), IECC, 2003. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.Nf3 d6 5.Bd3 Nf6 6.0-0 Be7)

    7.c3 Nc6 8.cb4 Nb4 9.Qa4 Nc6 10.Nc3 0-0 11.Rb1 d5 12.e5 Nd7 13.Bd2 Nb6 14.Qc2 Nc4 15.Bc4 (worse is 15.Bh7 Kh8 16.Bd3 Na3-/+) 15...dc4 16.Ne2 b6 17.Qc4 Bb7 18.Nf4 Rc8 19.Qd3 Qd7 20.Rfd1 Nb8 21.Bb4 Bf3 22.Qf3 Bb4 23.Rb4 Nc6 24.Rbb1 Rfd8 25.Qg4 Ne7 (25...Nd4? 26.Nh5 Kf8 A) 27.Ng7?! Rc2 28.Kh1 Qc7= (worse is 28...Ra2 29.Nh5+/-; worse is 28...Rf2 29.Nh5+/-); B) 27.Qg7 Ke7 28.Qg5 Kf8 29.Nf6+-) 26.Rd3 Rc2 27.a3 Rc4 28.Rbd1 Qc6 29.h3 h6 30.Nh5 Ng6 31.Nf4 Nf4 32.Qf4 Qd5 33.Rg3 Kf8 34.Qg4 g6 (34...Rd4? 35.Qg7 Ke8 36.Rd4 Qd4 37.Qf6+-) 35.Qf4 Rd4 36.Qh6 Kg8 37.Rd4 Qd4 38.Rg6 ½–½. pcmvr (2870) – pierred (2785), net–chess.com, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Be7)

    7.c3 Nc6 8.Re1 0-0 9.Bd2 bc3 10.Nc3 b6 11.Rc1 Bb7 12.a3 Rc8 13.Qa4 d5 14.e5 Nd7 15.Nb5 a6 16.Nd6 Bd6 17.ed6 b5 18.Qd1 h6 19.Bf4 Qa5 20.Re3 Nf6 21.Bc2 Qb6 The isolani on d4 becomes a target 22.h3 Rfd8 23.Be5 Ne4 (23...Ne5?! 24.de5 Ne4 25.Nd4+=) 24.Be4 de4 25.Ne1 Ne5 26.de5 Qa5 27.Rc8 Rc8 28.Qd4 Rc1 29.Kh2 Bc6 (29...Re1 30.Re1 Kh7 31.Rc1+-) 30.Qb4 Qb4 31.ab4 Kf8 32.f3 Rc4 0–1. Linklater,Lloyd – Folta,Miroslav, IECG, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.c3 d5 8.e5 Nfd7 9.Qc2 h6 10.cb4 Bb4 11.a3 Ba5 12.Nc3 Bc3 13.Qc3 ½–½. Linklater,Lloyd – Vasconcelos,Paulo, IECG, 1999.

    7.c4 d5 8.e5 Ne4 9.Qc2 f5 10.ef6 Nf6 11.Bg5 Qc7 (11...dc4 12.Qc4 Nc6 13.Nbd2+=) 12.Ne5 Nc6 13.cd5 ed5 (13...Nd5 14.Be7 Ne5 A) 15.Bh7? Ke7 (15...Qe7?! 16.de5 Qh4 17.Bg6 Kf8 18.h3=) 16.Qc7 Nc7-+; B) 15.Qc7 Nc7 16.de5 Ke7 17.Be4=) 14.Re1 Bd7 (14...Qb6!? 15.Nc6 bc6=) 15.Nd2 0-0-0 16.Nd7 Rd7 (16...Kd7!? 17.Bf5 Ke8+=) 17.Bf5+/- Bd6 18.Bf6 gf6 19.Nf3 Kb8 (19...Kd8 20.Bd7 Qd7 21.g3+/-) 20.Bd7+- Qd7 21.Re3 Bf4 22.Re2 Rg8 23.g3 Qg4 (better is 23...Kc8!?+-) 24.Qh7 Rc8 25.Qd3 (25.Kg2!? Rd8+-) 25...Bc7 26.Rae1 a6 (26...Bb6 27.Kg2+-) 27.Kg2 Bb6 28.h3 Qd7 (28...Qh5 29.g4 Qf7 30.Qf5+-) 29.Re6 Ne5 30.Qf5 (30.R1e5 fe5 31.Rb6 e4 32.Qa6 ef3 33.Kf3 Rc4+-) 30...Nf3 31.Qf4 Ka7 32.Kf3 Rc4 33.Qd6 Qd6 34.Rd6 Rd4 35.Rf6 (35.Re2 f5+-) 35...a5? (35...Rd3 36.Kg2+-) 36.h4 (36.Ree6 Bc5 37.Ke2 a4+-) 36...a4 (36...Rd3 37.Kg2+-) 37.Rb1 (37.Ke2 Re4 38.Kf1 Re1 39.Ke1 b3 40.ab3 a3-+) 37...Bc5 (37...Rd2!? 38.Rb6! Kb6 39.Rb4 Ka5 40.Rb7 Ra2+-) 38.Ke2 Rc4 39.h5 (39.Rd1!? b3 40.ab3 ab3+-) 39...Rc2 40.Ke1 (40.Kd1 Ra2 41.h6 Bd4+-) 40...Ra2 41.h6 Bd4 42.Rf3 b3 43.Rd3 (43.h7 b2 44.Kd2+=) 43...Bf2= 44.Kd1 Bb6 (44...Bg3 45.Rg3 (45.Rd5? Rh2-+) 45...Rh2 46.Kc1 Rc2 47.Kd1=) 45.Rd2 (better is 45.h7 Rh2 46.Ra1 Rh7 47.Ra4 Kb8 48.Rb3 (48.Rd5? Rh1 49.Kd2 b2-+) 48...Rh1 49.Ke2 Rh2 50.Kd3+/-) 45...Be3+= 46.Ra2 ba2 47.Ra1 Bh6 48.Ra2 b5 49.Rh2 Be3 50.Rh5 Kb6 51.Rd5 Kc6 52.Rd8 Kc5 53.g4 b4 54.Ra8 Kb5 55.Kc2 Bd4 56.g5 b3 57.Kb1 (57.Kd3!? Be5 58.Ra7+/-) 57...Kb4= 58.Rd8 Be5 59.Re8 Bc3 60.Rb8 Kc5 (better is 60...Kc4!?=) 61.Rc8 ½–½. Husarik,B (2185) – Oresky,J (2225), TCh–CZE Liga, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Bd2 d5 8.e5 Ne4 9.Be1 0-0 10.Qe2 Bd7 11.a3 (11.Be4? de4 12.Qe4 Bc6-/+) 11...ba3 12.Na3 Bc6 13.Nd2 Qb6 14.Nb3 a5 15.Be4 a4 (worse is 15...de4 16.Ba5 Qa6 17.Nc4+=) 16.Bh7 Kh7 17.Nc5 Bc5 18.Rb1 Qa6 19.Qh5 Kg8 20.dc5 Nd7 21.Rb4 f6 22.ef6 Nf6 (22...Nc5? 23.fg7 Rf5 24.Qh8 Kf7 25.Bc3+-) 23.Qe5 Rae8 24.Bc3 Qa7 (24...Rf7=) 25.Rf4 (better is 25.Nb5!? Bb5 26.Rb5+=) 25...Qb8+= (worse is 25...Qc5 26.Bb4 Nd7 27.Qe2+/-) 26.Qg5 (26.Re1!? Qe5 27.Be5-/+) 26...e5-/+ 27.Rf3? (better is 27.Rh4-/+) 27...d4-+ 28.Rg3 Rf7 29.Bb2 Ne4 30.Qg4 Ng3 31.hg3 (31.Qg3 Qa7-+) 31...Qd8 32.Qe2 (32.c4 Qe7-+) 32...Qd5 33.f3 Qc5 0–1. Biolek,Richard Jr (2235) – Rojicek,Vojtech (2175), CZE–chT1 East, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Bd2 d5 8.e5 Ne4 9.Qe2 0-0 (9...Nd2!? 10.Nbd2 0-0+=) 10.Be4= de4 11.Qe4 Qd5 12.Qd3 b6 13.c4 bc3 14.Nc3 (14.Bc3? Ba6 15.Qd1 Bf1 16.Kf1 Nd7-+) 14...Qd7 15.Rfd1 White prepares the advance d5 15...Bb7 16.Bg5 Na6 17.Be7 Qe7 18.d5 ed5 19.Nd5 Bd5 20.Qd5 Rfd8 21.Qc4 Nc5 22.Qf4 Ne6 23.Qa4 h6 24.h3 Rac8 25.Rd6 (25.Rd8 Rd8 26.Rd1 Rd1 27.Qd1 Qa3=) 25...Rd6+= 26.ed6 Qd6 27.Qa7 Nf4 28.Qa4 (28.Qb7!? Rc2 29.a4+=) 28...Qf6-/+ 29.Qd1 Rd8 30.Qb1 Nh3 31.gh3 Qf3 32.Qb6 Rd5 33.Qb8 Kh7 34.Qb1 g6 35.Qf1 Rg5 36.Kh2 Qf4 37.Kh1 Qe4 38.Kh2 Qe5 39.Kh1 Rh5 40.Kg2 Qc3 41.Kh2 Qa3 42.Qg2 Rg5 43.Qf1 Rf5 44.Kg2 Kg7 45.Qe2 (better is 45.Kh2!?-/+) 45...Rg5-+ 46.Kh2 Qd6 47.Kh1 Qd5 48.f3 Qf5 (48...Qf5 49.Kh2 Qf4 50.Kh1 Rg3 51.Qb2 Kh7-+) 0–1. Florian,Jaromir – Meduna,Eduard, CSR op Harrachov, 1970. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 0-0 8.a3 Nc6 9.Nb3 d5 10.e5 Nd7 11.a4 f5 12.Bf4 Kh8 13.Qe2 Rg8 14.h4 (better is 14.Rfc1!?=) 14...Bh4-/+ 15.Nh4 Qh4 16.Bg3 Qh6 17.f3 Nf8 18.Kf2? (better is 18.Rac1-/+) 18...f4-+ 19.Rh1 fg3 20.Kg3 Qg5 21.Kf2 h6 22.Rh3 Bd7 23.Rah1 Be8 24.Rg3 Qf4 25.Rg4 Qf7 26.Qd2 Ne7 27.Rh6?? (27.Qb4 b6 28.a5-+) 27...gh6 28.Qh6 Nh7 29.Bh7 Qh7 30.Qf6 Rg7 31.Rh4 Bh5 32.g4 (32.Ke1 Ng8 33.Qe6 Rg2-+) 32...Qg6 (better is 32...Qc2 33.Kf1 Qb3 34.Rh5 Kg8 35.Qe6 Rf7 36.Rh8 Kh8 37.Qf7 Rc8-+) 33.Rh5 Kg8 34.Nc5 Rc8 35.Ke3 (35.Ke1 b6 36.Qe6 Qf7 37.Qf7 Rf7 38.Rg5 Rg7 39.Rg7 Kg7 40.Ne6 Kf7 41.Ng5 Kg6-+) 35...b6 (better is 35...Nf5 36.Rf5 ef5 37.Qg6 Rg6 38.gf5 Rg2-+) 36.Ne6 (36.Qe6 Qe6 37.Ne6 Rc3 38.Kd2 Rg6-+ (38...Rf3?! 39.Ng7 Kg7 40.Rg5 Kh6 41.Rh5 Kg6 42.Rh8-+)) 36...Qf6 (better is 36...Rc3 37.Kf2 Rc2 38.Kg3 Qf6 39.ef6 Rg6-+) 37.ef6 Rg6 38.f4?? (better is 38.g5 Rc2 39.Nf4 Nf5 40.Kd3 Rc3 41.Kd2-+) 38...Rf6 39.Rg5 Rg6 40.f5 (40.Rg6 Ng6 41.Kd2 Nf8 42.Nf8 Kf8-+) 40...Rg5 41.Ng5 Rc2 0–1. Schirmer,Michael – Klemann,Fritz, GER–ch GT corr, 1984. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 0-0 8.e5 Nd5 9.Ne4 de5 10.de5 Nd7 11.g3 (11.Qe1!?+=) 11...Qc7-/+ 12.Bb2 Rd8 13.Qe2 b6 14.Neg5 (14.Rac1 Bb7-/+) 14...Nf8 15.Qe4 h6 16.Nh3 Bb7 17.Qg4 Nc3 18.Rfe1 Qc6 19.Bc3 Qf3 (19...Qc3 20.Nf4-+) 20.Qf3 Bf3 21.Bb2 Nd7 22.Re3 Bg4 23.Nf4 g5 24.Ng2 Nc5 25.Be2 Be2 26.Re2 Na4 27.Rb1 Nb2 28.Rb2 Rd1 29.Re1 Rd2 30.Kf1 Bc5 31.Ne3 a5 32.Re2 (32.Ng4 Bd4 33.Rbb1 Rc8-+) 32...Rad8 (32...Re2 33.Ke2 Bd4 34.Rb3 Be5 35.Ng4-+) 33.Ke1 (33.Ng4-+) 33...Re2 34.Ke2 Bd4 (34...Bd4 35.Rb3 Be5-+) 0–1. Witkowski,Stefan – Brzozka,Stefan, Poland–ch Wroclaw, 1960. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 Nf6 5.Bd3 Be7 6.0-0 d6)

    7.Nbd2 Nc6 8.a3 0-0 9.Re1 Re8 10.ab4 (10.Bb2 h6=+) 10...Nb4 11.Bf1 (11.Ba3 Nd3 12.cd3 b5-/+) 11...Qc7 (11...Bd7 12.Rb1 Na2 13.Bb2= (13.Rb7?? Nc3-+)) 12.Ba3 d5 (12...Nc6 13.c3=+) 13.e5= Nd7 (13...Nh5 14.c3 Nc6 15.Be7 Qe7 16.Nb3=) 14.c3 Nc6 (worse 14...Qc3 15.Qb1 Qa1 16.Qa1+-) 15.Re3 (15.c4 Ba3 16.Ra3 Nb6=) 15...Nf8 (15...Nb6 16.Qb3=) 16.c4= Bb4 (16...Ng6 17.g3=) 17.Bb4 (17.cd5 ed5 18.Bb4 Nb4=) 17...Nb4 18.Rb3 (18.Qa4 Nc6+=) 18...Qe7 19.Ne1 (19.Qb1 Nc6+=) 19...Rd8 (19...Ng6 20.Nc2 Nc6 21.g3=) 20.c5 Nc6 21.Ndf3 f6 (21...Ng6 22.Bb5=) 22.Bb5+= Bd7 23.Nd3 Ng6 24.Bc6 Bc6 25.h4 f5 (25...h5 26.ef6 gf6 27.Qc2=) 26.h5 Nf8 (26...Nh4 27.Nfe1 Qg5 28.g3+-) 27.h6 (27.Qd2 h6+=) 27...Ng6 28.Nb4 (28.hg7 a5+=) 28...Rdc8 (28...gh6 29.Rba3+=) 29.Qd2+- a6 (29...gh6 30.Qh6 a5 31.Nc6 Rc6 32.Ng5+-) 30.Nc6 Rc6 31.hg7 (31.Rab1 Ra7+-) 31...Kg7 32.Rab1 Rb8 (32...Rc7 33.Rb6+-) 33.Ng5 (33.Qb2 Rc7+-) 33...h6 34.Nf3 Kh7 (34...Rc7 35.Qb2+-) 35.Ne1 (35.Qb2 Rc7+-) 35...Kg7 (35...Qf7 36.Rf3+-) 36.Qa5 (36.R1b2 Qf7+-) 36...Nf4 (36...Qc7 37.Qa3+-) 37.R1b2 Kh7 (37...Kg6 38.Qd2 Nh5 39.Rh3+-) 38.Qd2 Ng6 39.Rh3 Qg7 (39...f4 40.Qe2+-) 40.Rbb3 (40.Nd3 Rc7+-) 40...Rh8?? (better 40...f4+-) 41.Rb7!!+- (41.Rb7 f4 42.Rg7 Kg7 43.Nd3+-) 1–0. michaelbuss – Jaroth (2200), ChessWorld.net, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 Nc6 8.Re1 d5 9.Bb2 0-0=+ 10.Qe2 (10.Ne5 Qb6=+) 10...g6 (10...de4 11.Ne4 Nd5 12.Qd2=+) 11.h3 (11.e5 Nd7=+) 11...Bd7 12.Qe3 ½–½. Dakic,Dejan (2040) – Velickovic,Sasa (2300), 4. Gligoric Cup, 2017. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 Nc6 8.e5 de5 9.de5 Nd7 10.Qe2 (10.Re1 0-0-/+) 10...Nc5 (10...Nde5!? 11.Ne5 Ne5 12.Qe5 Bf6 13.Qb5 Bd7 14.Qb4 Ba1-/+) 11.Bb5 0-0 12.Nb3 Qc7 13.Rd1 Bd7 14.Nc5 Bc5 15.Bd3 g6 16.Bb2 Ne7 17.h4 (17.c3!?+=) 17...Bc6-/+ 18.h5 Nf5 (18...Nd5 19.Nd2-/+) 19.Ng5 Ng3 20.Qg4 Nh5 21.Nh7 Kh7 22.Qh5 Kg7 23.Qg4 Rad8 24.Qf4 Be7 25.a3 Rh8 26.ab4 Rh4 27.Qe3 Rdh8 28.Kf1 Bb4 29.Bd4 (better is 29.f3-/+) 29...Rd4!-+ 30.Qd4 Bc3! 31.Qf4 (31.Qc3 Rh1) 31...Be5 (better is 31...Ba1 32.Qf6 Kg8 33.Qh8 Kh8 34.Ra1-+) 32.Qc1 Bg2! 33.Kg2 (33.Ke2 Qc6 34.Qe3-+) 33...Qc6 34.Kf1 Qf3 35.Qg5 Rh1 36.Qg1 Bd4 (36...Bd4 37.Rd2 Qh3 38.Ke2 Qh5 39.Kf1 Rg1 40.Kg1 Qg5 41.Kh1 Qd2-+) 0–1. Zapolskis,Antanas (2350) – Chocenko,Dmitrijus (2285), Baltija Cup Palanga, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 d5 8.Re1 Nc6 9.h3 0-0 10.Bb2 de4 11.Ne4 b6 12.Rb1 Nd5 13.c3 bc3 14.Nc3 Bb7 15.Be4 Ncb4 16.a3 Nc3 17.Bc3 Be4 18.Re4 Nd5 19.Bb2 Bd6 20.Qd2 Qe7 21.Rg4 Ba3?? (better is 21...Nf6 22.Rh4 Ba3 23.Ba3 Qa3-+) 22.Ba3+- Qa3 23.Qh6 g6 24.Ng5 Nf6 25.Rf4 Qe7 (25...Qa5 26.Rf6 Qg5 27.Qg5 Rad8+-) 26.Rf6! Qf6 (26...Qf6 27.Qh7) 27.Qh7# 1–0. Davie,Charles – Malcolm,Grant, IECG, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 d5 8.Re1 de4 9.Ne4 0-0 10.Nf6 Bf6 11.Be4 Nc6 12.Qd3 g6 (12...Nd4 13.Bh7 Kh8 14.Ne5 Be5 15.Re5=) 13.Bh6 Re8 14.Rad1 Qa5 15.Bc6 bc6 16.Qc4 Bb7 17.Ne5 Rac8 (17...Qd5!?-/+) 18.Nd7+= Bh8 19.Nc5 Qb6 (19...Ba8 20.Bd2=) 20.Ne6 (better is 20.c3+/-) 20...Qb5+= (20...fe6?? 21.Re6 Kf7 22.Rd6 Re6 23.Qe6) 21.Qb5 cb5 22.Nc7 Re1 23.Re1 a6 (better is 23...Bd4!? 24.Nb5 Bc5+=) 24.d5= Rd8 25.d6 f5 26.Re6 Bc8 27.Bg5 Be6 28.Bd8 Bc8 29.Nd5 Kf8 30.Bg5 (30.Nb4 Ke8 31.Be7 Bb7=) 30...Bd4 (30...Ke8 31.Be7=) 31.Nb4+= Ke8 32.Nd5 (32.Nc6 Bc5 33.Bf4 Kd7 34.Nb8 Ke6=) 32...Be6 (32...Kd7!?+=) 33.Nc7= Kd7 34.Bf4 (worse is 34.Ne6 Ke6 35.Bf4 Bc5+=) 34...Ba2 35.Na6 Ba7 36.Nb4 (36.Kf1!?+=) 36...Bc4= 37.Na6 Bd5 38.c3 Bb7 39.Nc7 Bc6 40.Na6 Bb7 41.Nc7 ½–½. Schirmer,Michael – Hacker,A, GT corr, 1984. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 d5 8.e5 Nfd7 9.Re1 Nc6 10.Nf1 h6 11.Ng3 0-0 12.Nh5 a5 (12...Re8 13.Qd2 Bf8 14.Qf4+=) 13.h4 (better is 13.Qd2=) 13...Bh4-/+ 14.Nh4 Qh4 15.Re3 (15.Be3!?-/+) 15...Qd4-+ (15...Nd4?! 16.Rh3 Qe7 17.Qg4=) 16.Rg3 g6 17.Bh6 Nce5 (worse is 17...Nde5 18.Nf6 Kh8 19.Rh3 Qh4 20.Rh4 Nf3 21.Qf3 g5 22.Bf8 gh4 23.Qh5; 17...Qe5 18.Bg7 Qg3 19.fg3 gh5 20.Qh5+- (20.Bf8?! Kf8 21.Qh5 Ke7+=)) 18.Bg7 b6 (better is 18...Rd8-+) 19.Qc1 f5 (19...Nd3 20.Qh6 (20.Bd4?? Nc1 21.Rc1 e5-+) 20...Qf2 21.Kh2 Qg3 22.Kg3 f5 23.Bf8 f4 24.Kh2 Kf7 25.Qg7 Ke8 26.Qe7) 20.Rg6 (20.Rb1 A) 20...Nd3 21.cd3 (21.Bd4?? Nc1 22.Rc1 e5-+) 21...Qh4 22.Rh3+=; B) 20...Kf7 21.Bf8 Nf8-/+) 20...Kf7-/+ 21.Qh6 (better is 21.Nf4 Re8 22.Be2+=) 21...Qa1-+ 22.Kh2 Qd4 (22...Ng6? 23.Ba1 Ke7 24.Qg6+-) 23.Rf6 Ke8 24.Re6 Kd8 25.Be5 Qh4 (25...Ne5?? 26.Qf8 Kc7 27.Qd6 Kb7 28.Re5+-) 26.Kg1 Bb7 27.Rd6 (27.Rd6 Qe7 28.Nf6 Qd6 29.Bd6 Rf6 30.Qh8 Rf8 31.Bf8 Nf8 32.Qf8 Kc7 33.Qe7 Kb8 34.Bf5+-) 1–0. Canal Oliveras,Joan – Adriano,Mario N, NATT4–05 corr, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 d5 8.e5 Nfd7 9.Ne1 Nc6 10.Qg4 0-0 11.Ndf3 f5 12.Qh3 Qe8 13.Kh1 (13.a3 Qg6+=) 13...Qg6-/+ 14.Be3 Qg4 15.Qg4 fg4 16.Ng1 Nb6 17.Be2 Nc4 18.Nd3 Ne3 19.fe3 Bg5 20.Rf8 Kf8 21.Rf1 Ke7 22.Nf4 Bd7 23.Bg4 Bf4 24.Rf4 Be8 25.Nh3 Nd8 26.Rf2 Rc8 27.Nf4 Rc6 28.e4 (better is 28.Kg1=) 28...de4-/+ 29.d5 Rc5 30.Ne6 Rd5 31.Ng7 Bd7 32.Nf5 Bf5 33.Rf5 Nc6 34.Rh5 (34.e6 Ke6 35.Rh5 Kd6 36.Rh6 Kc5 37.Rh7 Rd2-+) 34...Ne5 35.Rh7 Kd6 36.Bh5 (36.Rh6 Kc5 37.h3 Ng4 38.hg4 Rd2 39.Rh5 Kc4-+) 36...Rd2 37.Kg1? (37.Rb7 Rc2 38.h4-+) 37...Rc2 38.Rb7 Ra2 39.h4 a5 40.g3 e3 41.Kf1 Rf2 42.Kg1 Nf3 43.Bf3 Rf3 44.Rb6 Kc5 45.Re6 b3 (45...b3 46.Kg2 Rf2 47.Kg1 Kd4 48.Rd6 Ke4 49.Re6 Kf3 50.Rf6 Kg3 51.Rg6 Kh4-+) 0–1. Corden,Martyn J – Gligoric,Svetozar, Hastings, 1969. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Nbd2 Nbd7 8.a3 ba3 9.Ba3 e5 10.c3 0-0 11.Re1 b6 12.Nf1 Re8 13.Ng3 g6 14.Bc4 Qc7 15.Bf7?? (better is 15.Qb3 Rf8 16.Bc1+=) 15...Kf7-+ 16.Ng5 Kg8 17.Qb3 Kh8 18.Ne6 Qb7 19.f4 Nf8 20.d5 (20.Nf8 ef4 21.Nh7 Nh7 22.Nf1-+) 20...Be6 21.de6 ef4 22.Nf5 (22.Ne2 Qe4 23.Nd4 Qd5-+) 22...gf5 23.ef5 Rac8 24.c4 Qc6 25.Rac1 h5 26.Bb2 (26.Qh3 N8h7 27.Kh1 f3 28.Qf3 Qf3 29.gf3 d5 30.Be7 Re7 31.cd5 Rc1 32.Rc1 Nd5-+) 26...N8h7 (better is 26...Qc5!? 27.Kf1 Qf5 28.Ra1-+) 27.Qh3 Rg8 28.Rc2 Rg5 29.Bc1 (29.Rf2 Qc4 30.Rc1 Qc1 31.Bc1 Rc1 32.Rf1 Rf1 33.Kf1 Ng4-+) 29...Qc5 30.Kh1 Qf5 (30...Qf5 31.Qb3 d5-+) 0–1. Arteano – Pereda de Pablo,Ernesto, Benasque op, 1992. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Be7)

    7.Qe1 Nc6 8.Nbd2 Qc7 9.Bb2 d5 10.Ne5 0-0 11.f4 de4 12.Ne4 Rd8 13.Ng5 Rf8 14.d5 (14.Ne4 Nd5-/+) 14...Bc5 (better is 14...ed5!? 15.Nc6 bc6 16.Bf6 Bf6 17.Bh7 Kh8=) 15.Kh1+= Nd4 (15...Nd5 16.Bh7 Kh8 17.Qh4+-) 16.Qh4 h7 draws heavy fire 16...h6 (16...ed5?? 17.Bh7 Kh8 18.Ngf7 Qf7 19.Ng6 Qg6 20.Bg6 Kg8 21.f5 Nf5 22.Bf5 Bf5 23.Rf5+-) 17.Nef3 Nf3 (17...hg5 18.fg5 g6 19.gf6+- (19.Bd4?! Nh5+/-); 17...ed5 18.Bd4 Bd4 19.Nd4 hg5 20.fg5+-; 17...Nd5 18.Nd4 Rd8 19.Ne4+-) 18.Rf3 Be7 (18...hg5 19.fg5 Bf2 20.Rf2+-; 18...ed5 19.Bf6 Re8 20.Nh7+-; 18...Nd5?? 19.Qh6!! Nf6 20.Bf6 gh6 21.Bh7) 19.Be5? (19.de6 A) 19...hg5 20.fg5 fe6 21.Bf6 Bf6 22.Qh7 (22.Rf6?! gf6 23.gf6 Rf7=) 22...Kf7 23.gf6+-; B) 19...Be6 20.Rg3 h5 21.Ne6+-; C) 19...fe6 20.Re1 C1) 20...hg5? 21.fg5 Rf7 22.Bg6+- (22.Bf6 Bf6 23.Bg6 e5+-; 22.gf6 Bf6 23.Qh7 Kf8 24.Bf6 gf6 25.Rf6 Rf6 26.Qc7 b3 27.Qd8 Kf7 28.cb3 b6+-); C2) 20...Qc6=) 19...Qd8 (19...hg5 20.Qg5 Qb6 21.Rg3 Qg1 22.Rg1 g6 23.Bg6 Rd8 24.Bh7 Kf8 25.Qg8 Ng8 26.Rg8) 20.de6+= fe6 (20...hg5?? 21.fg5 Qd3 22.cd3+-) 21.Rg3 Kh8 22.Nh7 Rg8?? (better is 22...Rf7=) 23.Nf6+- Bf6 24.Rg6 Rf8 (24...Qf8 25.Qh5 Bd7 26.Bf6 Qf6 27.Rf6 Rgd8 28.Qg6 gf6 29.Qh7) 25.Rh6! Kg8 (25...gh6 26.Qh6 Mate attack) 26.Qh5 (26.Qh5 gh6 27.Qg6 Kh8 28.Qh7) 1–0. Pape,Joerg (2310) – Nonnenmacher,Eberhard (2295), Oberliga Baden, 1994. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d6 5.Bd3 Nf6 6.0-0 Be7)

    7.Re1 0-0 (7...Bd7 8.h3-/+) 8.Bg5 (8.a3 ba3 9.Ra3 a5-/+) 8...Nbd7 Black has a cramped position. Black's piece can't move: c8 (8...Bd7 9.Bf6 Bf6 10.Qe2-/+) 9.Nbd2 (9.Qd2 a5+=) 9...h6 Black threatens to win material: h6xg5 (9...e5 10.a3 h6 11.Be3 ba3 12.Ra3-/+) 10.Bh4 (10.Bf6 Bf6 (worse is 10...gf6 11.Nf1+=) 11.e5 de5 12.Ne5 Qc7+=) 10...b6 (10...e5 11.Qe2-/+) 11.Rb1 Bb7 (11...a5-/+) 12.e5? (better is 12.Rb4 would keep White alive 12...Rc8 13.Bf6 Nf6 14.Rb1=) 12...de5 13.de5 Nd5 14.Be7 Qe7 (14...Ne7?! 15.Rb4 Nc5 16.Qe2+=) 15.Rb2? (15.Ne4-+) 15...Nc3 16.Qc1 Nc5 17.Nc4 N5a4 18.Rb3 Na2 (18...Bf3!? seems even better 19.gf3 Na2 20.Qe3-+) 19.Qa1 (19.Qf4 doesn't get the bull off the ice 19...Bf3 20.Qf3 N2c3-+) 19...N2c3 20.Nd6 (20.Nfd2 does not improve anything 20...Nc5 21.Rb2 a5-+) 20...Bf3 (20...a5 and Black can already relax 21.Re3 Bd5 22.Bc4 Bc4 23.Nc4-+) 21.gf3 (21.Rb4 cannot change what is in store for White 21...Qg5 22.g3 f5 23.Ra4 Na4 24.Qa4 Qd2-+) 21...Qg5 (21...a5 makes it even easier for Black 22.f4 f6 23.Be4 fe5 24.fe5 Qg5 25.Bg2-+) 22.Kf1 (22.Kh1 a fruitless try to alter the course of the game 22...a5 23.Bb5 Qd2-+ (worse is 23...Nb5 24.Nb5 Rfc8 25.Nd6-+)) 22...a5 (22...Qf4 might be the shorter path 23.Kg2 a5 24.Qc1 Qc1 25.Rc1-+) 23.Nc4 (23.Bb5 cannot undo what has already been done 23...Nc5 24.Rc3 bc3 25.Qc3 a4-+) 23...Nc5 (better is 23...Qh5 seems even better 24.Kg2-+) 24.Rb2 (24.Rc3 is not the saving move 24...bc3 25.Qc3 b5-+) 24...Nd3 (24...Nd5 keeps an even firmer grip 25.Ne3 Nd3 26.cd3-+) 25.cd3 Nd5 (25...Qh5 and Black can already relax 26.Kg1 Qg6 27.Kh1 Qd3 28.Ne3-+) 26.Ne3 (26.Re4 doesn't improve anything 26...b5 27.Rg4 Qf5-+ (27...bc4?! is easily refuted 28.Rg5 hg5 29.dc4-+)) 26...Nf4 27.d4 Nd3 0–1. Lee,Dylan – Pena,Patrick, AUS–ch U18 Sydney, 2002. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Re1 d5 8.Nbd2 Nc6 9.e5 Nd7 10.Nf1 0-0 11.Ng3 f6 12.ef6 Nf6 13.h3 Qc7 14.Bb2 Bd6 15.Ne5 Ne5 16.de5 Bc5 17.ef6 Qg3 18.Kh1 Qh4 (18...Bf2? 19.fg7 Rf3 20.Qf3 Qf3 21.gf3 Be1 22.Re1+-; worse is 18...Qf2 19.fg7 Rf5 20.Rf1 (20.Bf5?! Qf5 21.Rf1 Qg6+=) 20...Qf1 21.Bf1+-) 19.Re5 (19.fg7 Rf2 20.Re2 Re2 21.Qe2+=) 19...g6-+ (19...Qf2? 20.fg7 Rf6 21.Qh5 Kg7 22.Qe8+- (22.Qh7?! Kf8+=); 19...gf6 20.Rh5 Qf2 21.Qg4 Kf7 22.Rh7 Ke8 23.Rf1 Qf1 24.Bf1+-; 19...Bf2 20.fg7 Re8 21.Rh5+-; 19...Qf6 20.Bh7! Kh7 21.Rh5 Qh6 22.Qd3 g6 23.Rh6 Kh6 24.Qd2 Kh7 25.Qg5+/-; 19...Rf6?! 20.Rh5 Qf2 21.Bf6 Qf6 22.Bh7 Kf7 23.Rb1+=) 20.Re2 Bd4 21.c4? (better is 21.Bd4 Qd4 22.Rb1-+) 21...bc3 22.Ba3 Rf7 23.Bc2 (23.Be7 Bf6 (23...Bf2?! 24.Qc2 Bd4 25.Bg6-/+) 24.Bf6 Qf6-+) 23...Qf6 (worse is 23...Bf6 24.Bd6-+; 23...Bf2?! 24.Qd5 Qf6 25.Qc4-+; 23...Rf6?! 24.Be7 Bf2 25.Qd3-+) 24.Rc1 Bd7 25.f3 e5 (better is 25...Rc8!? 26.Bb4-+) 26.Bb3 Be6 27.Bd6 Qf4 28.Qe1 Rf5 29.Re4?! (29.Rd1-+) 29...de4 30.Be6 Kh8 31.Bf5 gf5 (31...Qf5?! 32.fe4 Qf4 33.Bb4-+) 32.fe4 Qe4 (32...fe4?! 33.Bb4-+) 33.Qf1 Rg8 34.Re1 Qd5 35.Be7 Qe6 36.Bh4 c2 37.Rc1 (37.Bf2 Qa6 38.Kg1 Qc6 39.Bd4 ed4-+) 37...Qc6 38.Rc2 Qc2 (38...Qc2 39.Bf6 Rg7-+) 0–1. Tafner,Edson – De Melo Filho,Abdias Neves, BRA TCE–C–0213 corr, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Re1 d5 8.Nbd2 de4 9.Ne4 Nc6 10.Bb2 Nd5 11.Qd2 0-0 12.Neg5 h6 13.Ne4 a6 14.Rad1 b5 15.c4 bc4 16.Bc4 Na5 17.Bb3 (17.Bd3!?-/+) 17...Nb3-+ 18.ab3 Bd7 19.Ne5 Bb5 20.f4 Rc8 21.Rc1 Qb6 22.Qf2 Nc3 (22...Rc1 23.Rc1 Qa5 24.Ra1-/+) 23.f5 (23.Nc3!? bc3 24.Bc3+=) 23...Ne4-/+ 24.Re4 Rc1 25.Bc1 Bf6 26.Be3 (26.Bd2!? ef5 27.Qf5-+) 26...Qa5 27.h4 (better is 27.Bf4-+) 27...ef5 28.Rf4 Qa1 29.Kh2 Be5 30.de5 Qe5 31.Bd4 Qe6 32.Rf5 Rd8 33.Rf4 f6 34.Qg3 Kh7 35.h5 Be8 36.Qf3 (36.Qd3 Kh8-+) 36...Rd5 37.g4 Qd6 (37...Bc6 38.Qe3 Qe3 39.Be3-+) 38.Qd3 (38.Qe4 f5! 39.gf5 Bh5-+) 38...Kg8 39.Qe3 Bc6 40.Kh3 Ra5 41.Rf2 Bd7 (41...Bd7 42.Qf4 Qe6-+) 0–1. Andraca Perera,JR – Maceiras Moya,Nery, FECAP corr9698, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Re1 d5 8.e5 Nfd7 9.a3 Nc6 10.ab4 Nb4 11.Bf1 0-0 12.Ba3 f6 13.ef6 Rf6 14.c3 Nc6 15.Bd3 Nf8 16.Ne5 Ne5 17.de5 Rf7 18.Nd2 Bd7 19.Nf3 Be8 20.Nd4 Ba3 21.Ra3 Rc7 22.Qd2 Qe7 23.Rea1 a6 24.Rb3 Rac8 25.f4 Bg6 26.Bg6 Ng6 27.Re1 Qf7 28.g3 (28.Rf1 Rf8 29.f5 ef5 (worse is 29...Ne5 30.Ne6 Rd7 31.Nf8 Qf8 32.Qe3+=) 30.Rf5 Qe7 31.Rf8 Nf8-/+) 28...Ne7-/+ 29.Reb1 Nf5 30.Nf3 Qd7 31.g4 Ne7 32.Qb2 (32.Rb6 Nc6-/+) 32...b5 33.Ra1 Ra7 34.Rba3 Rca8 35.Qa2 a5 (35...Nc6 36.f5-/+) 36.Nd4 a4 37.f5 ef5 38.gf5 Rf8 39.Rf1 Ra6 40.Qb2 Attacks the backward pawn on b5 (40.Qb1 Rb6-/+) 40...Rb6 (40...Nf5 41.e6 Qe8 42.Qb5 Nd4 43.Rf8 Qf8 44.cd4 Re6 45.Qd5-+) 41.Raa1? (better is 41.Qg2-/+) 41...Nf5-+ 42.e6 Qe8 43.Rae1 (43.Nf5 Rf5! 44.Rf5 Qg6 45.Qg2 Qf5-+) 43...Nd4 44.Rf8 Qf8 45.cd4 Qf3 46.Qc2 Qg4 47.Kh1 Qf3 (47...Re6 48.Qc8 Kf7 49.Rf1 Kg6 50.Rg1 Qg1 51.Kg1+-) 48.Kg1 Qf8?? (better is 48...Rb8-+) 49.Qc7 Ra6 50.Qd7 Rd6 51.Qb5 Qe7 52.Qa4 ½–½. LeMoir,D (2005) – Burrows,M (2205), 96th ch–GBR, Torquay ENG, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Be7)

    7.Re1 d5 8.e5 Nfd7 9.c4 dc4 10.Bc4 Nb6 11.Bd3 Bd7 12.Nbd2 Ba4 13.Qe2 Nd5 14.Qe4 Nc6 15.Qg4 g5 16.Ne4 h5 17.Qg3 g4 18.Nfg5 Qb6 (18...Nd4 19.Nd6 Bd6 20.ed6-/+) 19.Be3 Bb5 20.Bb5 Qb5 21.Nd6 Bd6 22.ed6 Nc3 23.Qf4 0-0 24.Ne4 Ne4 25.Qe4 Qd5 26.Qf4 Rad8 (26...Rfd8!? 27.Rac1 Qf5= (27...Rd6? 28.Rc5+-)) 27.Qf6= Qf5 (27...Rd6? 28.Bh6 Qd4 29.Qg5 Kh7 30.Bf8+-) 28.Qf5 ef5 29.d5 Na5 30.Ba7 Nc4 (30...Rd6!? 31.Bc5 Rd5 32.Bf8 Kf8=) 31.Bc5+/- Nd6 32.Bb4 Rd7 33.Bd6 Rd6 34.Re7 b5 35.Rd1 Rfd8 36.Re5 Kg7 37.Rf5 Kg6 38.Re5 f6 39.Re2 Rd5 40.Rd5 ½–½. Bruening,Ralf – Ramus,Norbert, desc–online.de, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Re1 Bd7 8.h3 -/+.

    7.Qe2 0-0 8.c4+= bc3 9.Nc3 Nc6.

    7.Qe2 a6 8.a3 (8.c4 bc3 9.Nc3 b5) 8...0-0 (better is 8...Nc6!?+= 9.c4 bc3) 9.ab4+= b5 (9...Nc6!? 10.c3 Bd7+=) 10.Bb5!+/- Qb6 (10...ab5 11.Ra8 Pinning (11.Ra8 Deflection)) 11.Bd3 Qb4 12.Ba3 (12.e5 de5 13.de5 Nd5+-) 12...Qb6? (12...Qb7 13.e5 de5 14.Be7 Qe7 15.de5+/- (worse is 15.Ne5 Bb7+=)) 13.Nbd2 (13.e5 Nd5 14.Qe4 f5+=) 13...Qc7 (13...Bb7 14.e5 Ne8 15.Rfb1+/-) 14.e5 Nd5 (14...de5!? 15.de5 Nd5+-) 15.c4 (better is 15.Qe4 f5 16.ef6 Nf6 17.Qh4=) 15...Nb6? (better is 15...Nf4 16.Bh7! Kh8+-) 16.ed6 Bd6 1–0. Flouzat,JM (2170) – Teboul,Rene, Open Saint Affrique FRA, 2005. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.Nf3 d6 5.Bd3 Be7 6.0-0 Nf6)

    7.Qe2 Nc6 8.Nbd2 0-0 9.Rb1 +=.

    7.Qe2 Nc6 8.Nbd2 0-0 9.Bb2 d5 10.e5 Ne8 11.Ne1 Kh8 12.f4 f5 13.ef6 Nf6 (13...Bf6?! 14.Qh5 h6 15.Qg6=) 14.Nef3 Bd7 15.Ng5 Attacking the backward pawn on e6 15...Qb6 16.Ndf3 Bd6 17.Nh7? (better is 17.c4 Bf4 18.Ne6 Be6 19.c5-/+) 17...Bf4?? (better is 17...Nh7 18.Bh7 Kh7 19.Ng5 Kh6-+) 18.Nf8+- Rf8 19.Kh1 Kg8 20.Ne5 Nd4?? (better is 20...Ne5 21.de5 Ne4+-) 21.Bd4 Qd4 22.Nd7 Nd7 23.Qe6 Rf7 (23...Kh8 24.Qh3 Kg8 25.Bh7 Kh8 26.Bg6 (26.Qd7?! Kh7 27.Rae1 Qd2+/-) 26...Bh6 27.Qd7+-) 24.Bg6 (24.Bg6 Qf6 25.Qf7 Qf7 26.Bf7 Kf7 27.Rf4 Kg6 28.Rb4+-) 1–0. Kesseler,Heiko – Emunds,Hans Georg, BL2–West, 1989. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Qe2 Nc6 8.Nbd2 0-0 9.Bb2 Re8 10.c4 Qc7 11.d5 Nb8 12.Rac1 Nbd7 13.de6 fe6 14.e5 de5 15.Ne4 Rf8 16.Rfd1 Ne4 17.Be4 Bc5 18.Rd2 a5 19.Qd3 h6 20.Re1 Nf6 21.Be5 Qb6 22.h3 a4 23.Rb1 Ne4 24.Qe4 Ra5 25.Rbd1 b3 26.Bc3 Bb4 27.c5 Bc5 28.ab3 ab3 29.Ba5 Qa5 30.Qc4 Qb4 31.Qb4 Bb4 32.Rb2 b6 33.Rb3 Bc5 34.Rb2 Kh7 35.Ne5 Rf5 36.Nc4 The isolani on b6 becomes a target 36...e5 37.Nb6 Be6 38.Rdd2 Bd4 39.Rb5 Rf8 40.Nd5 Bd7 41.Ra5 Be6 42.Re2 Rb8 43.Kh2 Rb1 44.Kg3 Bf5 45.Rea2 Be6 46.Rc2 Rb3 47.Ne3! Bf7 48.Rca2 Rb4 49.Re2 Rb3 50.Rc2 Bg6 51.Rca2 Rb1 52.h4 Bf7 53.Rc2 Rb3 54.Kf3 Bg6 55.Rc8 Bf5 56.Rc1 h5 57.Ra8 Bg4 58.Ke4 Be2 59.Re8 Bd3 60.Kf3 Bg6 61.Rf8 Bd3 62.Rcc8 ½–½. pierred (2785) – pcmvr (2870), net–chess.com, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Qe2 Nc6 8.Nbd2 e5 9.Bb2 (9.d5 Nb8=) 9...Bg4 10.h3 Bf3 11.Nf3 Nd7 12.Bb5 Qc7 13.a3 (13.d5 Ncb8=) 13...ba3+= 14.Ra3 0-0 15.Rd1 a6 16.Bc6 Qc6 17.Rc3 Qb6 18.Rb3 Qc7 19.Rc3 Qb6 20.Ba3 (20.Rb3 Qc7=) 20...Rfe8+= 21.Qc4 ed4 22.Qd4 (22.Nd4!? Bf6 23.Rb3=) 22...Bf6-/+ 23.Qb6 Nb6 24.Rc7 Re4 25.Rd6 (better is 25.Rb7!? Nc4 26.Nd2-/+) 25...Nc4-+ 26.Rd3 b5 (worse is 26...Na3 27.Ra3 Re7 28.Re7 Be7 29.Re3-+) 27.Bc5 Ne5 28.Rd5 Nf3 29.gf3 Rc4 30.Rdd7 (30.Bb6 Rc7 31.Bc7 Rc8-+) 30...Rc2 31.Rf7 (31.Kf1-+) 31...Rc5! 0–1. Silva,Jorge – Manzo,Wilson, 08, Empresa de Telecom. Open, Bogota CO, 1997. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 Nf6 5.Bd3 d6 6.0-0 Be7)

    7.Qe2 Nbd7 8.a3 ba3 9.Na3 e5 10.Nc4 (10.Bb2 ed4 11.Nb5 a6=) 10...ed4 11.Nd4 Nc5 12.Nb5 The isolani on d6 becomes a target 12...0-0 13.Bb2 (13.Ra7 Ra7 14.Na7 Bg4=+) 13...Be6 (13...a6 14.Nd2-/+) 14.Na7 Nd3 (14...Bc4 15.Bc4 Nfe4 16.Nb5 Ra1 17.Ra1=+) 15.Qd3 d5 16.ed5 Qd5 17.Qd5 Nd5 18.Rfe1 (18.Nb5!?=+) 18...Nb4-/+ 19.Ne3 Bc5 20.Nb5 Ra1 (20...Be3 21.Ra8 Ra8 22.Re3 Nc2 23.Rc3-/+) 21.Ra1 Be3 22.fe3 Nc2 23.Ra7 Ne3 24.Bd4 Nf5 25.Rb7 Rd8 26.Bc3 (26.Kf2 f6 27.Bc3 Ra8-/+) 26...h5 (26...Bd5 27.Ba5-/+) 27.Nc7 (27.Kf2 Bc4-/+) 27...Rd1 28.Kf2 Bc4 29.Be1 Nd6 30.Rb8 Kh7 31.Ba5 (31.Bb4 Nf5 32.Be1 Rd4-/+) 31...Ra1 32.Rd8?? (better 32.Bb6-+) 32...Nb7 (32...Ra5?! 33.Rd6 Ra2 34.Kg1-/+) 33.Rd4 Na5 (33...Ra5?! 34.Rc4 Nd6 35.Rd4 Ra2 36.Kf3-/+) 0–1. Dostal,Radim (2080) – Plat,Vojtech (2450), Ostrava Czech Republic, Ostravsky Konik, 2015. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d6 5.Bd3 Nf6 6.0-0 Be7)

    7.e5 de5 8.de5 Nfd7 9.Qe2 Nc6 10.Rd1 Qc7 e5 draws heavy fire 11.Bb2 Nc5 12.Nbd2 Bd7 (12...0-0 13.Ne4-/+) 13.Nd4 (13.Ne4 Ne4 14.Be4 Rd8+=) 13...Nd4 (13...Qe5 14.Qe5 Ne5 15.Ne6 Be6 16.Be5-/+) 14.Bd4+= Rd8 15.h4 (15.Nb3 b6+=) 15...h6 ½–½. Canal Oliveras,Joan (2235) – Comas Fabrego,L (2515), ch–ESP, Barcelona ESP, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.Bg5 Nbd7 8.Nbd2 Qc7 9.Qe1 b6 (9...h6 10.Be3+=) 10.e5 de5 11.de5 Nd5 12.Nc4 (12.Be7 Ke7 13.Qe4 Bb7+=) 12...Nc5 (12...f6 13.ef6 gf6-/+) 13.Be7= Ke7 14.Qd2 h6 15.Rfe1 (15.Nd6 Nd3 16.Qd3 Qc3=) 15...Bb7 16.Nd4 Rhd8 17.f4 (17.Nd6 Kf8+=) 17...Nd3-/+ 18.cd3 Qc5 19.Qf2 Nf4 20.Nd6 g5 21.Rac1 Qd5 22.Rc7 Rd7 23.Rd7 Kd7 24.Nb7 Qb7 25.Nb5? (better is 25.Ne2 Ne2 26.Re2-/+) 25...Qd5-+ (25...Nd3 26.Qf7 Kc6 27.Nd4 Kc5 28.Ne6 Kc4 29.Qb7 Ne1 30.Qe4 Kc3 31.Qe1 Kd3 32.Qd1 Ke4 33.Qe2 Kd5 34.Nc7 Kd4 35.Na8+-) 26.Nd6 f5 (26...Nd3?! 27.Qf7 Kc6 28.Qb7 Kc5 29.Qc7 Qc6 30.Ne4 Kd5 31.Nf6 Kc5 32.Ne4 Kd5 33.Nf6 Kc5 34.Ne4=) 27.Qc2 Qc5 28.Qc5 bc5 29.Nc4 (29.Kf1 Kc6 (29...Nd3?! 30.Rd1 Nf4 31.Nf5 Nd5 32.Ke1-+) 30.Re3 Kd5-+) 29...Kc6 (29...Nd3?! 30.Rd1=) 30.Re3 a5 31.g3 Nd5 32.Re2 a4 33.a3 (33.Rb2 a3 34.Rb1 Nc3-+) 33...b3 34.Kf2 Nc3 35.Rb2 Nd1 (35...Nd1 36.Ke2 Nb2 37.Nb2 Kd5-+) 0–1. Walda,Michael – Opalic,Momcilo, Bayern–chI Bank Hofmann 2nd, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    7.a3 ba3

    8.Ra3 d5 9.e5 Ba3 10.Ba3 Nfd7 -/+.

    8.Ba3 0-0 9.c4 Nbd7 10.Nc3 h6 (10...e5 11.Re1=) 11.Qd2 (11.Nb5 Ne8=) 11...a6 12.Rfb1 Qc7 13.e5 Ne8 (13...de5 14.Be7 Pinning (14.Be7 Deflection)) 14.Ne4 f5 (14...Qc6 15.Qe3+=) 15.ed6+= Nd6 16.Nc3 (16.Nd6 Bd6 17.Bd6 Qd6+=) 16...b6= 17.Re1 Nf6 18.Ne5 Kh7 19.Qf4 (19.Nb5 Nb5 (worse 19...ab5 20.Bd6 Bd6 21.Ra8+/-) 20.Be7 Qe7 21.cb5 a5=) 19...g6 (19...Bb7 20.Qg3 g5 21.Qe3+=) 20.d5 (20.Qg3 Rg8+=) 20...ed5 (20...g5 21.Qd4 ed5 22.Nc6+-) 21.Nd5 (21.Nc6! g5 22.Qg3+-) 21...Nd5+= 22.cd5 Bb7 (22...Bg5!? 23.Qg3 f4 24.Bg6 Kg8+-) 23.Rac1 Qd8 24.Nc6 Bc6 25.Rc6 (25.Re7 Qe7 26.Bd6 Qg5 27.Qg5 hg5 28.Bf8 Bd5 29.Rc7 Kg8+-) 25...Rf6 (25...Re8 26.Re6 Bg5 27.Qd6 Qd6 28.Red6 Re1 29.Bf1 Rd8+-) 26.Re7! Qe7 27.Bd6 (27.Rd6?! Qc7+/-) 27...Qe1 28.Bf1 Rf7 29.Be5 Re8 30.Bc3 Qe7 (30...Qe4 31.Qd6 f4 32.Rb6+-) 31.d6 (31.Ba6 Qd8 32.Bd2 Qg5 33.Qg5 hg5 34.Rb6 Rd7+-) 31...Qf8 (31...Qb7 32.Rc7 Rc7 33.dc7+-) 32.Rb6 Re4 33.Qd2 Rd7 34.Ra6 Qb8 35.Qd5 Qb1 (35...Re8+-) 36.Ra8 (36.Ra8 Re8 37.Re8 Rg7 38.Qf7 Qf1 39.Kf1 Rf7 40.Rh8) 1-0. Abdelaal,Ibrahim (1900) - Han,Johnathan, Laval Open, 2019. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Ba3 Nc6 +=.

    8.Ba3 d5 9.Be7 Qe7 10.e5 Nfd7 11.Nbd2 Nc6 12.Nb3 0-0 13.Qd2 Nb6 14.Rab1 Bd7 15.Nc5 Nd8 (15...Nd4!? 16.Bh7 Kh7 17.Qd4 Bc6+=) 16.Ng5 h6 17.Nh7 Re8 18.Nd7 (better is 18.Qf4 Bc6 19.Rb3=) 18...Qd7 (18...Nd7?! 19.Qe3+=) 19.Qh6 (better is 19.Nf6 Kh8 20.Nd7 Nd7 21.Bb5+-) 19...gh6-+ 20.Nf6 Kg7 21.Nd7 Nd7 0–1. Mang,Joachim – Hoehn,Vadim, Verbandsliga Sued Baden, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Ba3 Nbd7 (8...Nc6 9.c4+=) 9.Nbd2 (9.e5 de5 10.de5 Ng4 11.Be7 Qe7+= (worse is 11...Ke7 12.Qe1 a5 13.h3+=)) 9...0-0 10.Qe2 (10.Nc4 Ne8+=) 10...Re8 Black has a cramped position. Black's piece can't move: c8 (10...e5 11.c3+=) 11.Ng5 (11.e5 de5 12.de5 Ba3 13.Ra3+= (13.ef6? doesn't work 13...Bb2 14.fg7 Ba1 15.Ra1 Kg7-+)) 11...h6+= Black threatens to win material: h6xg5 12.Nh3 (12.Ngf3 a5+=) 12...e5-/+ 13.c3 (13.d5 Nb8 14.Bb5 Bd7-/+) 13...Qc7 (13...d5 14.Be7 Re7 15.Rfe1-/+) 14.Rac1 (14.Bb5 a6 15.Bb4 d5 16.de5 Bb4 17.ef6 Bc3-+) 14...d5 (14...Nf8 15.Bb5 Rd8 16.Qd3-+) 15.Bb2? (better is 15.Be7!? de4 16.Ba3 ed3 17.Qd3-/+) 15...de4 16.Ne4 Ne4 17.Qe4 Nf6 18.Qf3?? the position was bad, and this mistake simply hastens the end (18.Qe5 Bd6 19.Qb5-+) 18...Bd6 (18...e4 and Black can already relax 19.Be4 Ne4 20.Qe4 Bh3 21.gh3-+) 19.Bb5 Rd8 (19...e4 makes it even easier for Black 20.Qe3 Bh2 21.Kh1-+) 20.Kh1 (20.Qe3 is not the saving move 20...Qb6 21.de5 Qb5 22.ef6 Qb2 23.fg7 Qb6 24.Qb6 ab6-+) 20...e4 21.Qe2 (21.Qe3 doesn't get the bull off the ice 21...Qb6 22.c4 a6-+) 21...Bh2 (21...a6 keeps an even firmer grip 22.Ba4-+) 22.c4 (22.Qc4 does not save the day 22...Qd6 23.Qb3 Bh3 24.gh3 Bf4-+) 22...Bg4 23.Qe3 Bh3 24.Qh3 Bf4 25.Rc2 (25.Rb1 does not solve anything 25...a6 26.Ba4 Qc4-+) 25...a6 (better is 25...Rd5! nails it down 26.cd5 Qc2-+) 26.Ba4 Qa5 27.Bb3 (27.Ra1 Qg5 28.Re2 Ng4-+) 27...Qb4 (27...Qg5!? seems even better 28.g3 Bb8 29.Bc1-+) 28.Rb1 (28.d5 Nd7-+) 28...Rac8 (28...Qe7 29.Qf5 Bc7 30.d5-/+) 29.Bc3 (29.c5 Qb5 30.d5 Ne8-/+) 29...Qb6 (29...Qe7 30.Qf5 Bg5 31.Ba5-+) 30.Qf5 (better is 30.d5!? Bg5 31.c5-+) 30...Bb8-+ 31.Ba2 Qd6 32.g3 Qd7 33.Qd7 Rd7 (33...Nd7 Inferior is 34.Rb7 Bc7 35.c5+=) 34.Rb6 (better is 34.c5!?-/+) 34...Ba7-+ 35.Rb1 Bd4 36.Bd4 Rd4 37.Rb7 Rd6 (37...Rd7 38.Rb3-+) 38.Ra7 (38.c5!? Rdc6 39.Rf7+=) 38...Rc5 39.Rb2? (better is 39.Kg2-+) 39...Ng4 40.Kg2 e3?? hands over the advantage to the opponent (better is 40...Rh5 might be the shorter path 41.Bb3 e3-+) 41.f3?? White falls apart (41.Rb8 Kh7 42.Rf7-+) 41...Rd2-+ 42.Rd2 ed2 43.Rd7 (43.Bb3 there is nothing else anyway 43...Ne3 44.Kf2-+) 43...d1Q! Decoy: d1. 44.Rd1 (44.Rd1 Ne3 Decoy Double attack) 44...Ne3 (44...Ne3 45.Kf2 Nd1 46.Kf1 Nc3-+) 0–1. Bassani,Jaison – Borges,Guilherme Deola, Itaji tt Itajai, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Be7 7.a3 ba3)

    8.Na3 0-0 9.Nb5 a6 10.e5 de5 11.de5 Nfd7 12.Nd6 (12.Qe2!?=) 12...Ne5 13.Nc8 (13.Nb7!? Qd5 14.Ne5 Qe5 15.Rb1=+) 13...Nf3-/+ 14.Qf3 Qc8 15.Ba3 (15.Bb2 Nc6-/+) 15...Nc6 16.Rfb1 Ba3 17.Ra3 f5 18.Qg3 b5 19.Rc3 Qd7 20.Re1 (20.Qe3 Ne7 21.Qe5 Rac8-+) 20...Rac8 21.Ra3 Nb4 22.Qe5 Rc6 23.Rea1 Qd6 24.Qb2? (24.Qd6 Rd6 25.Rc3-+) 24...Rfc8 25.Bf1 (25.Rf1 Nc2 26.Bc2 Rc2-+) 25...Nc2 (25...Rc2 26.Qb3-+) 26.Rg3 (26.Rd3 Qb4 27.Qb4 Nb4-+) 26...Qd4 (26...Nd4 27.Rd3 e5 28.Rdd1-+) 27.Ra2 (27.Qd4 Nd4 28.f4 Rc1 29.Rc1 Rc1-+) 27...Qb2 28.Rb2 Rd8 29.Bd3 (29.Rd3 Rd5 30.Rd5 ed5 31.Bd3-+) 29...Nb4! 30.Bf1 (30.Rb4 Rc1 Combination) 30...Rd1 31.Rb4 (31.f4 Rcc1 32.Rf3-+) 31…Rcc1 (31...Rcc1 32.Rg7 Kg7-+) 0–1. Baldvinsson,Loftur (1925) – Birkisson,Bjorn Holm (2075), TCh–ISL Div (7), 2019. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 ba3)

    8.Na3 0-0 9.c4 e5 10.de5 de5 11.Ne5 Re8 12.Nb5 Nc6 (12...Na6 13.Bf4=) 13.Bf4 (13.Nc6 bc6 14.Na7 Bg4+/-) 13...Bc5 (better is 13...Nb4!?=) 14.Nc6+/- bc6 15.Nc7 Bg4 16.Qd2 Re7? (better is 16...Ne4!? 17.Qc2 Nf2 18.Bh7 Kh8 19.Ne8 Qe8 20.Rf2 g6 21.Bg6 fg6+/-) 17.Na8+- Qa8 18.Be3 Nd7 (18...Bd6+-) 19.Bc5 Nc5 20.Qg5 (20.Qg5 Rd7 21.Bc2+-) 1–0. Ibba,Isacco (2195) – Lommers,Frank (2200), Corrado Bitti Memorial 5th, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Na3 0-0 9.Nc4 d5 10.ed5 Nd5 (10...Qd5? 11.Nb6 ab6 12.Ra8+-; 10...ed5?! 11.Nce5+=) 11.Bd2 Nc6 12.c3 b5 (12...b6!?+=) 13.Nce5= Ne5 14.Ne5 Bd7 15.Qb1 h6 16.Nd7 Qd7 17.Bb5 Qc7 Looking at c3 18.Qd3 a5 19.c4 Nb4 20.Qe4 Rab8 (better is 20...Bd6!?+=) 21.Bf4+/- Bd6 22.Bd6 Qd6 23.Ra5 Rfd8 24.Ra4 Rbc8 (24...Nd5 25.Ra6 Nc3 26.Rd6 Ne4 27.Rd8 Rd8 28.c5+=) 25.g3 Nc6 (25...f5!? 26.Qh4 Nc2+/-) 26.Ra6 f5? (26...Qd4 27.Bc6 Qe4 28.Be4 Rc4+-) 27.Qg2 (27.Rc6 fe4 28.Rd6 Rd6-/+) 27...Qd4 28.Rc6 (28.Bc6?! Qc4 29.Bb7 Rc7+-) 28...Rc6 29.Qc6 (29.Bc6?! Qc4 30.f4 Qc3+-) 29...Kf7 30.Qf3 Kf6 31.Qh5 Qd2 (31...Qg4 32.Qg4 fg4 33.c5+-) 32.Be8 Ke5 (32...Re8 33.Qe8 Qb4 34.Rc1+-) 33.Qf7 Qd6 (33...g5+-) 34.Qg7 Ke4 35.Re1 1–0. Wiesgickl,Gerhard (2225) – Beyerlein,Andreas, Oberpfalz–ch M2, 1999. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d6 5.Bd3 Be7 6.0-0 Nf6 7.a3 ba3)

    8.Na3 b6 9.e5 Nd5 10.c4 Nb4 11.Qa4 N8c6 12.ed6 Qd6 13.Nb5 Qd7 (13...Qd8 14.Be4 0-0 15.Ba3=) 14.Be4+= 0-0 15.d5 ed5 16.cd5 Nd5 17.Rd1 (17.Bd5 Qd5 18.Nc7 b5=) 17...Ncb4+= 18.Ba3 Ba6 19.Bb4 Qb5? (better is 19...Bb5 20.Rd5 Ba4 21.Rd7 Bd7 22.Be7 Rfe8 23.Ba8 Ra8+/-) 20.Be7+- (20.Bd5?! Qa4 21.Ra4 Bb5+-; 20.Rd5?! Qa4 21.Ra4 Bb4 22.Ra6 Rfe8+/-) 20...Qa4 21.Ra4 Bb5 22.Rad4 (22.Bd5?! Ba4 23.Re1 Rae8+/-; 22.Rd5?! Ba4 23.Bf8 Kf8+/-) 22...Nc3 (22...Ne7 23.Ba8 g6 24.Be4+-) 23.Ba8 (23.Bf8?! Rf8 24.Ra1 Ne2 25.Kh1 Nd4 26.Nd4 a6 27.Nb5 ab5+-) 23...Ne2 (23...Re8 24.R1d2 Ne2 25.Re2 Be2+-) 24.Kh1 Nd4 25.Bf8 (25.Bf8 Kf8 26.Nd4+-; 25.Rd4?! Ra8 26.h4 f6+=) 1–0. Villing,Dieter (2280) – Wolf,Heinz, Verbandsliga Nord Baden, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 ba3)

    7.a3 Nc6

    8.Bb2 0-0 9.Nbd2 Qc7 10.Qe2 ba3 11.Ba3 e5 12.d5 Nd8 13.c4 b6 14.Ra2 Nb7 15.Nb3 Bg4 16.h3 Bf3 17.Qf3 Nd7 18.Rfa1 Nbc5 19.Nc5 bc5 20.Bc1 Rfb8 21.Qg3 Rb3 22.Qe3 Nf8 23.Qe2 Bd8 24.Bc2 Rbb8 25.Ba4 a5 26.Bd2 Qe7 27.Bb5 Ra7 28.Ba5 Ba5 29.Ra5 Ra5 30.Ra5 Ng6 31.g3 Qg5 32.Ra7 Qf6 (32...Nf4 33.Qf3=) 33.Qg4+= Nf8 34.h4 h6 35.Kg2 g6 36.f4 Kg7 37.fe5 Qe5 38.Qf4 Qf4 (38...Qf6 39.Kf3 Qc3 40.Kf2 Qb2 41.Kg1 Qb1 42.Kh2 Qb2 43.Kh3+=) 39.gf4+/- Kf6 (better is 39...g5!? 40.hg5 hg5 41.fg5 Nh7+/-) 40.Ra6+- Ke7 41.e5 de5 42.fe5 Rb7 (42...Nd7 43.Ra7 Rd8 44.h5 gh5 45.Kg3+-) 43.Ra8 f5 44.Re8 (44.Re8 Kf7 45.e6 Ne6 46.Re6+- (worse is 46.de6 Kf6+-)) 1–0. Sidenius,Per – Halsig,Guenter, ICCF World Cup8–9 prel–008, 1990. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.c3 ba3 9.Na3 0-0 =.

    8.Bd2 d5 9.e5 Nd7 10.ab4 Nb4 11.Bb4 Bb4 12.Nbd2 a5 13.c4 Nb8 14.Qc2 Nc6 15.Rfc1 h6 16.Nf1 Ne7 0–1. Stummer,Walter (2330) – Dziedzina,Michael (2255), WC–2013–S–00005, 2010. (=1.Nf3 c5 2.e4 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Nbd2 0-0 9.Re1 Bd7 10.Nf1 a6 11.Bd2 (11.Rb1!?=+) 11...ba3-/+ 12.c4 d5 (12...b5!?-/+) 13.e5=+ Ne8 14.cd5 ed5 15.Qb1 b5 (15...h6 16.Ne3 Nc7 17.Qb3-/+) 16.Bh7 Kh8 17.Bc2 Rb8 Black prepares b4 18.Ne3 Be6 19.Nf5 (19.Qb3 Qd7=) 19...Bf5=+ 20.Bf5 b4 21.Re3 Qb6 (21...Nc7!?=+) 22.Ng5 Bg5 23.Rh3 Bh6 24.Bh6 gh6 25.Rh6 Kg7 26.Rh7 Kg8 27.Qd3 Nd4 (27...Ne7 28.Qh3 Qg6 29.Bg6 Ng6+-) 28.Qh3 Ne2 29.Kh1 (29.Kh1 Qf6 30.ef6 Nf6 31.Rh8 Kg7 32.Qh6; 29.Kf1 Ng3 30.hg3 Qh6 31.Qh6 f6 32.Qg6 Ng7 33.Qg7) 1–0. Husarik,Branko (2175) – Krejcova,Katerina (1960), CZE–ChT2C, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Qe1 Qb6 9.e5 Nd5 10.ed6 Bf6 (10...Bd6!? 11.Be3 0-0-/+) 11.ab4 Nd4 12.Nd4 Bd4 13.Ra5 (13.c3 Nb4 14.Be4 Be5=) 13...Nb4 14.Bb5 Nc6 15.Na3 Bd7 16.Nc4 Qd8 17.Bg5 (17.Bc6 Bc6 (worse is 17...bc6 18.Be3 Bf6 19.Ba7+=) 18.Bg5 Bf6 19.Bf6 gf6+=) 17...Bf6 (better is 17...Qc8!? 18.Ra2 a6 19.Bc6 Qc6-/+ (worse is 19...bc6 20.Be3 Ba7 21.Qa5+=; 19...Bc6?! 20.Qd2 Bc5 21.Re1+=)) 18.Bf6= gf6 19.Bc6 Bc6 (worse is 19...bc6 20.Qe3+/-) 20.d7 Kf8 (20...Qd7 21.Nb6 Qd4 22.Na8 Bg2 23.Ra3 Bf1 24.Qf1=) 21.Qb4 Qe7 22.Qd2 Rg8 (worse is 22...Bd7 23.Qh6 Ke8 24.Rd1+/-) 23.Qh6 Rg7 24.Ne3 Qd7 (24...b6 25.Rh5 Rd8 26.f3-/+) 25.Qf6+= Qe7 26.Qh6 Kg8 27.Qf4 a6 28.f3 b5 29.Raa1 (29.Kh1!?-/+) 29...Qc5-+ 30.Rfe1 Qg5 31.Qc7 Bf3 32.Ra6 Bg2 33.Ra8 Ba8 34.Kf2 Kh8 (34...Qf6 35.Ke2 Bf3 36.Kd2 Qd4 37.Kc1-+) 35.Qc8 (better is 35.Ke2-+) 35...Rg8 36.Qc3 e5 37.Rf1 Bg2 38.Re1 (38.Ng2 Qg2 39.Ke1 Qh2-+) 38...b4! 39.Qc5?? (39.Qb4 Qf4 Double attack (39...Qf4 Decoy)) 39...Qf4 40.Ke2 Qf3 (better is 40...Rd8!? 41.Rf1 Bf1 42.Nf1-+) 41.Kd3 Rd8 42.Kc4 Bh3 43.Qe5 (43.Kb3 Be6 44.Kb2 Qe4-+) 43...f6 44.Qb5 (44.Qg3 Qe4 45.Kb3 Be6 46.c4 Rd3 47.Kc2 Re3 48.Kb2 Qd4 49.Ka2 Qd2 50.Kb1 Bf5 51.Ka1 Qc3 52.Ka2 Qa3) 44...Be6 (44...Qe4 45.Kb3 Be6 46.c4 bc3 47.Kc3 Qd4 48.Kc2 Qd2 49.Kb1 Qe1 50.Kc2 Rd2 51.Kc3 Rd1 52.Kb2 Rb1 53.Kc2 Rc1 54.Kd3 Rc3 55.Kd4 Qe3) 45.Kc5 (45.Kb4 Qf4 46.c4-+) 45...Qh5 46.Kb4 Qh4 (46...Qh4 47.Ka3 Ra8 48.Kb2 Qd4 49.Kc1 Ra1 50.Qb1 Rb1 51.Kb1 Qb4 52.Kc1 Qe1 53.Nd1 Bg4-+) 0–1. Zaitsev,Igor A – Dubinsky,A, Moscow–ch sf, 1964. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.0-0 Be7 7.a3 Nc6)

    8.Re1 0-0 9.ab4 Nb4 10.Nc3 Bd7 +=.

    8.Re1 0-0 9.ab4 Nb4 10.Bf1 b6 11.c3 Nc6 12.Nbd2 Bb7 13.Bd3 Qc7 14.Bb2 Rfd8 15.Qb1 g6 16.Nf1 Bf8 17.Ne3 Bg7 18.h3 e5 19.Nh2 d5 20.ed5 Nd5 21.Nd5 Rd5 22.c4 Rd4 23.Bd4 Nd4 24.Be4 Be4 25.Qe4 Rd8 ½–½. Zvjaginsev,V (2675) – Khairullin,I (2635), Russia Cup Final KO, 2010. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d6 5.Bd3 Nf6 6.0-0 Be7 7.a3 Nc6)

    8.Re1 0-0 9.ab4 Nb4 10.Bf1 Qc7 11.c3= Nc6 12.Na3 a6 13.Nb5 Qb8 14.Nd6 Qd6 15.e5 Ne5 16.Ne5 Rd8 (16...Qc7 17.Qb3=) 17.Bd3+= b6 (17...Qc7 18.Qf3 Bd7+= (18...Qc3?? 19.Bh7 Kh7 20.Qc3+-)) 18.Ba3+/- Qc7 19.Be7 Qe7 20.Nc6 Qc7 21.Nd8 Qd8 22.Qe2 (22.Qf3 Ra7+/-) 22...a5+/- 23.Qe5 (23.Qb2 Ba6 24.Ba6 Ra6+/-) 23...Bb7 24.Qg3 (24.Ra3 Bc6+/-) 24...Rc8 25.Rac1 (25.Qe3 Ng4 (25...Rc3? 26.Bh7 Kh7 27.Qc3+-) 26.Qh3 Nf6+=) 25...Qd5 26.Re5 Qb3 Attacks the backward pawn on c3 27.Rg5 (27.Rb5!? Qa3 28.Rbb1+=) 27...g6= 28.Rb5 Qa3 29.Rbb1 Rc3 30.Rc3 Qc3 31.Qb8 Bc8?? (better is 31...Kg7 32.Qb7 Qd3 33.Qb6 Ne4=) 32.Ba6+- Qd4 33.Bc8 (better is 33.Qc8 Kg7 34.Qc4+-) 33...Ne4? (33...Qd8+-) 34.Ba6 Kg7 35.Qb6 (35.Qb6 Qd5 36.Bb7+-) 1–0. Bognar,Attila (1855) – Onur,Cem, First Saturday FM–B July, 2014. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 Nf6 5.Bd3 Be7 6.0-0 d6 7.a3 Nc6)

    8.Re1 0-0 9.ab4 Nb4 10.Bf1 Bd7!? -/+.

    8.Re1 0-0 9.Nbd2 d5 10.e5 Nd7 11.Nb3 b6 12.Re3 g6 (12...a5 13.Bb5 Bb7 14.Qe2+=) 13.h4 (13.Bb5 Bb7=) 13...ba3 (worse is 13...Bh4 14.ab4 Be7 15.b5=) 14.Ra3? (better is 14.Ba3 Ba3 15.Ra3+=) 14...Ba3-+ 15.Ba3 Ne7 16.h5 Re8 (16...gh5 17.Ng5 Nf5 18.Qh5+-) 17.Nh4 Nf8 18.Rh3 a5 19.g4 (19.hg6 Neg6 20.Bf8 Nf8 21.Qh5+/-) 19...Ba6-+ 20.Bc1 (20.Ba6 Ra6 21.Nf3 Qc7-+) 20...Bd3 21.Qd3 Qc7 22.Bg5 Nd7 (22...a4 23.Na1-+) 23.Qd2 (23.Be7 Re7 24.hg6 fg6 (24...hg6? 25.Ng6 Ne5 26.Ne7 Kf8 27.Nd5 ed5 28.de5 Qe5 29.Nd4+-) 25.Ng6 Rf7-+ (25...hg6 26.Qg6 Rg7 27.Qe6 Rf7 28.Qh6+-)) 23...Kh8 (better is 23...a4 24.Na1 Nc6-+) 24.Qf4 (24.Qf4 f6 25.hg6+- (worse is 25.Bf6 Kg8 26.Qh6 Nf6 27.ef6 Nf5 28.gf5 Rf8+-)) 1–0. Gonzalez Sole,Fernando – Garcia Conca,Jose, ESP–ch sf corr, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Re1 ba3 9.Na3 0-0 10.c3 e5 11.h3 Bd7 12.Nc4 b5 13.Ne3 White prepares d5 13...ed4 14.cd4 Nb4 15.Bb1 White prepares d5 15...a5 16.d5 Re8 17.Nd4 (17.Bd2 Ne4 18.Be4 Bf6 19.Bb4 Re4 20.Bd6 Ba1 21.Qa1 Bh3=) 17...g6 (17...Na6 18.Nef5+=) 18.Bb2 Bf8 19.Nf1 Bg7 20.Ng3 Qb6 21.Ra3 (21.Re2!?-/+) 21...Nfd5!-+ 22.Qd2 (22.ed5 Re1 Double attack) 22...Nc7 23.Nh5?? (23.Bc3 h6-+) 23...Bh8 (23...gh5 24.Rg3 Re5 25.Nf3-+) 24.Rf3? (better is 24.Nf4-+) 24...d5 25.e5 Re5 26.Re5 Be5 (26...gh5 27.Qg5 Qg6 28.Bg6 hg6 29.Rf7 Bf6 30.Qg6 Kh8 31.Rh5) 27.Nf5 Bb2?? (better is 27...Bf5!? 28.Be5 Bb1 29.Nf6 Qf6 30.Rf6 Ne6=) 28.Nh6 (better is 28.Qb2 d4 29.Nh6 Kh8 30.Nf7 Kg8 31.Nf6 Kg7 32.Nd7+-) 28...Kf8+= 29.Rf7 Ke8 30.Qb2 d4?? (better is 30...Kd8 31.Nf6 Be6 32.Rh7 d4=) 31.Nf6+- Kd8 32.Nd7 (better is 32.Rd7 Kc8 33.Nhg8 Ne6 34.Ne7 Kb8+-) 32...Qe6 (32...Qd6+-) 33.Qd4 Nc6 34.Qd2 (better is 34.Qh4!? Kc8 35.Nb6 Kb8 36.Na8 Nd5+-) 34...Kc8 (34...Qd5 35.Bd3 Ra6+-) 35.Rf8 (35.Rf8 Ne8 36.Nb6 Kb7 37.Na8 Ka8 38.Ba2+-) 1–0. Kaden,Uwe – Starp,Klaus, Ruhrgebiet VK4, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Re1 d5 9.e5 Nd7 10.ab4 Nb4 11.Bb5 Qb6 12.Na3 0-0 13.c3 Nc6 14.Bd3 f6 15.Ng5 (15.ef6!? Nf6 16.Ng5=) 15...fg5-/+ 16.Qh5 Rf5 17.Bf5 ef5 18.Qf3? (18.Bg5!? g6 19.Qh4 Bg5 20.Qg5+=) 18...Nf8 (better is 18...Qb3!?-+) 19.Qd5-/+ Be6 20.Qb5 Qd8 (20...Nd7!?-/+) 21.Qb7+= Na5 22.Qa6 Bc8 23.Qb5 a6 24.Qa4 Bd7 25.Qd1 Be6 26.Rb1 Ng6 27.Nc2 Nc4 28.Nb4 Bb4 29.Rb4 g4 30.Qa4 (30.Qe2 Qd5 31.Bg5-/+) 30...Qd5-/+ 31.g3 (31.Kh1!? f4 32.Ba3-/+) 31...Qf3-+ 32.Qd1 Qc3 33.Rb3 Qa5 34.d5? (34.Rb1-+) 34...Qd5 (34...Bd5!? 35.Bb2 Nd2 36.Ra3 Nf3 37.Rf3 Bf3 38.Qb3 Qd5 39.Qd5 Bd5 40.Rd1-+) 35.Rd3 Qa5 36.Bf4 (36.Bd2 Qc7 37.Qa1 Nce5-+ (37...Nge5?! 38.Bf4-+)) 36...Re8 (36...Nce5?! 37.Be5 Ne5 38.Rde3-+; 36...Nge5?! 37.Qe2 Nb2 38.Re3 Nf3 39.Rf3-+) 37.Rb3 (37.Qe2 Bf7 38.Red1 Nge5 39.Be5 Ne5-+) 37...Nce5 38.Be5 Ne5 0–1. Fries Nielsen,Niels Jorgen – Mestel,A Jonathan, Esbjerg, 1980. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Re1 d5 9.e5 Nd7 10.ab4 Nb4 11.Bf1 0-0 12.Ba3 a6 13.Nbd2 Rb8 14.c3 Nc6 15.c4 b5 16.cd5 ed5 17.e6 (17.Qc2 Ba3 18.Qc6 Bb4+=) 17...Nb6 18.Qc2 Nc4 19.Nc4 (19.Be7 Qe7 20.Bd3 h6 21.Nc4 Nb4 22.ef7 Qf7 23.Bh7 Kh8-/+) 19...bc4 (19...dc4 20.ef7 Rf7 21.Be7 Ne7-/+ (worse is 21...Re7 22.Bc4 bc4 23.Qc4 Kh8 24.Qc6+/-)) 20.ef7+= Rf7 21.Be7 Ne7 22.Ng5 Rf5 23.h4 (23.Re5 g6 24.Qd2-/+) 23...Ng6 (23...h6 24.g4 hg5 25.gf5 gh4 26.Qe2 Nf5 27.Qh5+/-) 24.g3 (24.Bc4 dc4 (24...Nh4?? 25.Bd5 Kh8 26.Qf5 Nf5 27.Nf7 Kg8 28.Nd8 Kf8 29.Ra4+-) 25.Qc4 Kh8 26.Nf7 Rf7 27.Qf7 Bb7+-) 24...Rf6 (24...h6 25.Ne6 Qf6+=) 25.Re5 Rb5 26.Rae1 Nf8?? (26...Bd7 27.h5 Nf8 28.Bc4 dc4 29.Qc4 Kh8 30.Nf7 Rf7 31.Qf7=) 27.Re8 (better is 27.Bc4 dc4 28.Qc4 Kh8 29.Re8+-) 27...Bf5+= 28.Rd8 Bc2 29.Rd5 Bd3 30.Rd8 h6 31.Ne4 Rfb6 32.Nd6+/- Rb1 33.Ree8 Bf1 34.Rf8= Kh7 35.h5 Be2 36.Kg2 Bh5 37.Nc4 Rf6 38.Rf6 gf6 39.Rd6 Be2 40.Ne3 Kg7 41.Nd5 Rb3 42.Rd7+/- Kf8 43.Nf6 Bf3 44.Kh3 Rb6 45.Nd5 Rb5 46.Nf4 Rb1 47.g4 Rg1 48.Ne6 Ke8 49.Rg7 a5 50.Nc5 Kf8 51.Ne6 Ke8+= 52.Nc5 Kf8 53.Ra7 Bg4 54.Kh4 Bf5 55.Ra5 Rg4 56.Kh5 Rd4 57.Kh6 Rf4 58.Ra2 Rc4 59.Nb7 Rg4 60.f3 Rg3 61.Ra3 Ke7= 62.Ra6 ½–½. Vokroj,R – Laube,Bernhard, Staatsliga, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Qe2 0-0 9.ab4 Nb4 10.Ba3 (10.Bd2 Nd3 11.Qd3 b5 12.Qb5 Ne4 13.Qc6 Nd2 14.Nbd2 Bd7 15.Qc3; 10.Bf4 Bd7 11.Nc3 a5 12.Bb5 Rc8 13.Bd7 Nd7 14.Bd2 Nc2 15.Rac1; 10.Nc3 a5 11.Bd2 Nd3 12.cd3 Bd7 13.Rfc1 a4 14.e5 Nd5 15.Nd5; 10.Nbd2 Nd3 11.Qd3 Nh5 12.Ba3 Bd7 13.g3 f6 14.Nc4 Bb5 15.Rfb1) 10...Nd3 11.Qd3 Nh5 12.Nc3 Bd7 13.Rfb1 b6 14.g3 f5 15.e5.

    8.Qe2 0-0 9.Nbd2 Qc7 (9...Bd7 10.Bb2 (10.ab4 Nb4 11.e5 Nfd5 12.ed6 Bd6 13.Ne4 Be7 14.Ne5 f5 15.Nc5) 10...d5 11.ab4 Nb4 12.Ne5 a5 13.Nd7 Nd7 14.Rfe1 Re8 15.c4; 9...h6 10.ab4 Nb4 11.Ba3 Nd3 12.Qd3 Nh5 13.e5 d5 14.Be7 Qe7 15.Qe3; 9...a5 10.a4 (10.ab4 Nb4 11.Ba3 Bd7 12.Bb4 ab4 13.Nc4 Ba4 14.h3 Qc7 15.Rfe1; 10.Nc4 b5 11.Ne3 Qb6 12.e5 de5 13.de5 Nh5 14.Ng4 ba3 15.Bb5; 10.Bb2 ba3 11.Ba3 a4 12.Rfb1 Re8 13.e5 de5 14.de5 Nd5 15.Qe4) 10...Bd7 11.g3 b6 12.Bb2 g6 13.e5 Nd5 14.Ne4 Qb8 15.Bc4) 10.Bb2 (10.ab4 Nb4 11.Ba3 Nd3 12.cd3 b5 13.Rfc1 Qd7 14.e5 Nd5 15.Rab1; 10.Nc4 b5 11.Ne3 ba3 12.c3 a2 13.Ra2 Bb7 14.Bd2 a5 15.Rb1) 10...ba3 (10...Rd8 11.c4+= (11.c3 ba3 12.Ba3 Bd7 13.Rfb1 Re8 14.h3 h6 15.Rb2) 11...e5 12.d5 ba3 13.Ba3 Na5 14.Ne5 de5 15.Be7; 10...g6 11.c3 bc3 12.Bc3 d5 13.Rfc1 de4 14.Ne4 Nd5 15.Ne5) 11.Ba3 (11.Ra3 a5 12.Rc3 h6 13.Qe3 Bd7 14.h3 Rfe8 15.Rb1) 11...e5 (11...Re8 12.Rfb1 a6 13.Nc4 b5 14.Nd6 Bd6 15.Bd6) 12.c3 (12.d5 Nb8 13.Bb4 Nbd7 14.Nb3 b6 15.Ra4) 12...Bg4 (12...b6 13.Rfb1 Rb8 14.d5 Na5 15.Bb4) 13.h3 Bh5 14.g4 (14.d5 Nb8+= 15.Nc4) 14...Bg6-/+ 15.d5 (15.Rfb1+=) 15...Nb8 16.Nh4 Nfd7 17.Nf5 Bf5 18.ef5 (18.gf5 Nf6+= (worse is 18...Qc3 19.Rfc1 Qd4 20.Rab1=)) 18...Nc5 (18...Qc3 19.Ne4 Qc7 20.Rfc1-/+) 19.Bc5 dc5 20.Ne4 f6 (20...Rd8 21.f6 gf6 22.c4+=) 21.h4 Nd7 22.c4 Nb6 23.Ra3 Nc8 24.Rfa1 a6 (24...b6 25.Ra6-/+) 25.Qe3 Nd6 26.Ng3 (26.h5 Ne4 27.Be4 Qd6+=) 26...Rab8 (26...Qc8 27.f4-/+) 27.g5 fg5 28.hg5 e4 (28...Rbe8 29.Rd1-/+) 29.f6 (29.Ne4 Nf5 30.Qh3 Qf4-/+) 29...ed3 (29...Bf6 30.gf6 ed3 31.fg7 Qg7 32.Qd3-+) 30.fe7 (30.Qe7!? Rf7 31.Qc7 Rc7 32.Nh5-/+) 30...Rf7 31.Re1 (31.g6 hg6 32.Re1 Re8 33.Qd3 Ree7-+) 31...Re8-+ 32.Qd3 Rfe7 33.Re6 (33.Rb1 Qd7 34.g6 hg6-+) 33...Qd7 (33...Re6 34.de6 Re6 35.Qd5-+) 34.Re7 Qe7 35.Qd2?? (better is 35.g6 h6 36.Qc2-+) 35...Nc4 36.Qa2 Na3 (36...Na3 37.d6 Qf7 38.Qa3 Re1 39.Kg2 Qd5 40.Kh2 Re6-+; 36...Qg5?! 37.Qc4 Re1 38.Kh2 Qh6 39.Kg2=) 0–1. Grabinsky,V (2315) – Truskavetsky,A (2370), TCh–UKR, Alushta UKR, 2005. (=1.e4 e6 2.Nf3 c5 3.b4 cb4 4.d4 Nf6 5.Bd3 d6 6.0-0 Be7 7.a3 Nc6)

    8.Qe2 d5 9.Nbd2 0-0 10.e5 Nd7 11.Bb5 a6 12.ab4 (12.Bc6!? bc6 13.ab4+=) 12...Nb4-/+ 13.c3 Nb6 14.cb4 ab5 15.Ra8 Na8 16.Nb3 Bd7 17.Nc5 Bc6 18.h4 (18.Bf4!?-/+) 18...Bh4-+ 19.Nh4 Qh4 20.Be3 Nb6 21.g3 Qh3 22.Nd3 Nc4 23.Ra1 Qf5 24.f3 f6 25.g4 Qg6 26.Bf4 h5 27.Bg3 (27.ef6 Qf6 28.Kg2 h4-+) 27...hg4 28.fg4 Qe4 29.Qe4 de4 30.Nc5 Bd5 31.g5?? (31.ef6 gf6 32.Bh4-+) 31...fg5 32.Nd7 (32.Be1 e3 33.Nb3 Rf3 34.Ra8 Kf7-+) 32...Rf3 33.Bf2 (33.Ra8 Kh7 34.Be1-+) 33...e3 34.Be1 (34.Be3 Rg3 35.Kf1 Ne3 36.Kf2-+) 34...Rh3 35.Ra8 Kh7 (35...Kh7 36.Kf1 Bf3 37.Nf6 gf6 38.Rh8 Kh8 39.Bf2 Rh1 40.Bg1 Nd2 41.Ke1 Rg1) 0–1. Go,Benjamin (2175) – Sethuraman,SP (2560), Dieren NED, Dutch Open–A, 2013. (=1.e4 c5 2.Nf3+/- d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    8.Qe2 Bd7 9.ab4 Nb4 10.Nc3 +=.

    8.Qe2 Bd7 9.ab4 Nb4 10.e5 (10.Bd2 a5 11.Nc3 Nd3 12.Qd3 0-0 13.e5 Nd5 14.ed6 Bd6 15.Ne4; 10.Ba3 a5 11.Nc3 Bc6 12.Bb5 0-0 13.Bc6 bc6 14.Rfb1 Qc7 15.Bc1; 10.Nbd2 0-0 11.e5 Nfd5 12.ed6 Bd6 13.Ne4 Be7 14.Ne5 f5 15.Nc5; 10.c4 0-0 11.Nc3 Bc6 12.Bf4 a5 13.Bc2 Nc2 14.Qc2 a4 15.Rfe1) 10...Nd3 11.Qd3 Nd5 12.Ba3 Bc6 13.g3 a5 14.Nbd2 b5 15.ed6.

    8.Qe2 Bd7 9.c3 A) 9...a5 10.ab4 (10.Qc2 0-0 11.ab4 ab4 12.Ra8 Qa8 13.e5 de5 14.de5 Ng4 15.Bf4; 10.Qb2 0-0 11.ab4 ab4 12.Ra8 Qa8 13.cb4 d5 14.e5 Ne4 15.Nbd2; 10.e5 de5 11.de5 Nd5 12.c4 Nb6 13.ab4 Nb4 14.Be4 Qc7 15.Na3) 10...ab4 11.Ra8 Qa8 12.cb4 Nb4 13.Bb5 Qa5 14.Bd7 Kd7 15.Bd2; B) 9...b3 10.e5 de5 11.de5 Nd5 12.c4 Nb6 13.Nbd2 Na5 14.Rb1 Na4 15.Nb3.

    8.Bd2 ba3

    9.Na3 d5

    10.e5 Ne4

    11.c4 Nd2 (11...b6 12.cd5 (12.Be3 Bb7 13.cd5 ed5 14.Nd2 Nd2 15.Qd2 0-0 16.Qc2 h6+=) 12...ed5 13.Bb5 Bd7 14.Qa4 Nb8 15.Qb3 Ba3 16.Qd5 Nd2+=) 12.Qd2 (12.Nd2 dc4 13.Nac4 Nd4 14.Ne4 0-0 15.Ned6 Bd6 16.Nd6 Nc6-/+) 12...0-0 (12...dc4 13.Bc4 0-0 14.Rfc1 a5 15.Nb5 a4 16.Qb2 Bd7-/+) 13.c5 (13.Rfc1 f6 14.Qe3 fe5 15.de5 a5 16.c5 Nb4+=) 13...b6 (13...f6 14.Rfe1 fe5 15.Ne5 Ne5 16.Re5 Bf6+=) 14.cb6 ab6 15.Nb5 Ba6 (15...Bb7 16.Ra8 Qa8+=) 16.Rfc1 (16.Ra4 Bb5+=) 16...Na5 (16...Qd7+=) 17.Rab1 Rc8 18.Bf1 (18.Rc8 Qc8 19.Qe2 Qd7+=) 18...Rc1-/+ 19.Qc1 Qd7 20.Bd3 Nc4 21.Nc3 Qc6 22.Ne2 b5 23.Ra1 b4 24.Qb1 Na3 25.Qb3 (25.Qd1 Bd3 26.Qd3 Rc8-/+) 25...Bc4 26.Qd1 b3 27.Bc4 dc4 (27...Qc4?! 28.Nd2 Qc2 29.Nb3 Qd1 30.Rd1+=; 27...Nc4?! 28.Qb3 Ra8 29.Ra8 Qa8 30.Ng3+=) 28.Qc1 (28.Qd2 Rb8 29.Qb2 Qe4-+) 28...Qe4 29.Kf1 Rb8 30.Qb2 (30.Nd2 Qd3 31.Qc3 b2-+) 30...c3! 31.Nc3 (31.Qc3 b2 Passed pawn; 31.Nc3 Qd3 Pinning) 31...Qd3 32.Ne2 (32.Kg1 Nc4 33.Ne1 Nb2 34.Nd3 Nd3 35.Kf1-+) 32...Nc4 33.Qc3 (33.Ne1 Nd2 34.Qd2 Qd2-+) 33...b2 (33...b2 34.Qd3 ba1Q 35.Ne1 Rb1-+) 0–1. akulatj (1945) – deutschlandcup (2440), gameknot.com, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6)

    11.Re1 A) 11...f5 12.ef6 (12.Nb5 0-0 13.Bf4 a6 14.Qb1 g5 15.Bc1 g4 16.Nd2 Qb6-/+) 12...Bf6 13.Be3 0-0 14.c4 Nd6 15.Qb3 Na5 16.Qb1 Nac4+=; B) 11...Nd2 12.Qd2 (12.Nd2 Nb4 13.Qe2 0-0 14.Reb1 Bd7 15.Qe3 Nd3 16.cd3 Bc6-/+) 12...0-0 13.Reb1 f6 14.ef6 Rf6 15.Qe3 Bd6 16.Re1 a6-/+.

    11.Qe2 A) 11...f5 12.Nb5 (12.ef6 Bf6 13.Be3 0-0 14.c4 Nd6 15.c5 Nf7 16.Qc2 g6-/+) 12...0-0 13.Rfb1 Nd2 14.Qd2 a6 15.Qf4 Qd7 16.Rb2 Rd8+=; B) 11...Nd2 12.Qd2 (12.Nd2 a6 13.Rfb1 0-0 14.Nf3 b6 15.c3 Bb7 16.Nc2 b5-/+) 12...0-0 13.Qe3 Nb4 14.Be2 b6 15.Rfb1 Bb7 16.Rc1 a6-/+.

    11.Be3 0-0 12.Qb1 a5 13.c4 f5 14.ef6 Nf6 15.Ng5 (15.c5 Nb4+=) 15...h6-/+ 16.Nf3 Ng4 17.Nb5 Bd7 18.Bd2 Bb4 19.Bc1 (19.Bb4 Nb4 (worse is 19...ab4 20.Ra8 Qa8 21.h3+=) 20.c5 b6+=) 19...e5 20.cd5 Nd4 21.Nbd4 ed4 22.Ba3 (22.Nd4 Nh2 23.Rd1 Ng4-/+) 22...Ba3 23.Ra3 b5 24.Nd4 Qc7 25.g3 (25.Bh7!? Kh8 26.Rg3+=) 25...Qc5-/+ Black intends b4 26.Qb2 b4 27.Raa1 Qd5 28.f3 Nf6 29.Rfd1 Kh8 30.Bc2 Qc5 31.Rac1 (31.Ba4 Ba4 32.Rdc1 Qa7 33.Ra4 Nd5-+) 31...Qb6-+ 32.Rd2 Rac8 (32...a4 33.f4-+) 33.Kh1 Nd5 34.Re1 Nc3 35.Kg2 a4 36.Re3 (36.Ne2 Bc6 37.Nf4 Kg8-+) 36...Rfe8 (36...Rc4 37.Red3-+) 37.Re8 Re8 38.Qc1 Be6 0–1. Koenig,Uwe (2405) – Dammer,Axel (2400), RSX – Spendenturnier, 2005. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.a3 Nc6 8.Bd2 ba3 9.Na3 d5 10.e5 Ne4)

    11.Be3 b6 12.c4 (12.c3 0-0 13.Qc2 f5 14.ef6 Nf6 15.Rfe1 Bd7 16.Bf4 a6+=) 12...Bb7 13.cd5 ed5 14.Nd2 Nd2 15.Qd2 0-0 16.Qc2 h6 +=.

    11.Be3 Bd7 12.Be4 (12.c4 Na5 13.Qb1 Nc3 14.Qb2 Na4 15.Qc2 dc4 16.Nc4 Nc4+=) 12...de4 13.Nd2 Ba3 14.Ra3 Qh4 15.c4 Nd8 16.g3 Qe7 +=.

    11.Bf4 A) 11...Bb4 12.Nb1 (12.Nb5 Nc3 13.Nc3 Bc3 14.Ra3 Bd4 15.Nd4 Nd4 16.Qg4 g5+=) 12...f6 13.Qe2 Nc3 14.Nc3 Bc3 15.Ra4 Qb6 16.ef6 gf6=; B) 11...f5 12.c4 (12.ef6 Bf6 13.Nb5 0-0 14.Qc1 Bd7 15.c3 Be7 16.Ne1 a6-/+) 12...dc4 13.Bc4 0-0 14.Qb3 Ba3 15.Ra3 Nd4 16.Nd4 Qd4+=.

    7.c4 bc3

    8.Nc3 0-0 9.Rb1 b6 10.e5 de5 11.de5 Nd5 12.Nd5 ed5 13.Qc2 h6 14.Re1 Bc5 15.Bf4 Nc6 16.Qd2 Bg4 17.Bh6 Bf3 (17...gh6 18.Qh6 f5 19.ef6+- (19.Qc6?! Kg7+/-)) 18.gf3 Qh4 (18...gh6 19.Qh6 f5 20.Qg6 (20.Qc6?! Qh4 21.Kh1 Kh8+/-) 20...Kh8 21.Qh6 (21.Qc6?! Qg5 22.Kh1 Qh5+=) 21...Kg8 22.Kh1+- (22.Qc6?! Qh4 23.Kh1 Kh8+/-)) 19.Bg5 (19.Bf4!?-/+) 19...Bf2!-+ 20.Kh1 (20.Qf2 Qg5 Deflection (20...Qg5 Overloading)) 20...Be1 21.Re1 Qh5 22.Qf4 (22.Bf1 Rfc8-+) 22...Rfe8 23.h4 (23.Ba6 Re6 24.Qg3-+) 23...Ne5! (23...Ne5 24.Bb5 Ng6 25.Re8 Re8-+) 0–1. Ramsauer,Martin – Grau Ribas,Jose Maria, ICCF World Cup10 prel–135, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Nc3 0-0 9.Bb2 b6 10.e5 Nd5 11.Qb1 h6 12.Nb5 Bb7 13.a4 de5 14.de5 Na6 15.Rd1 Nc5 16.Bh7 Kh8 17.Bc2 Rb8 (17...a6 18.Nbd4-/+) 18.Qc1 (better is 18.Na7!? Qe8 19.Bd4=) 18...a6-/+ 19.Nd6 Kg8 20.Ra3 0–1. Hoogendoorn,PA (2240) – Flom,Efim, Ruhrgebiet VL1, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Nc3 Nc6 9.Bd2 0-0.

    8.Nc3 Nc6 9.d5 Ne5 10.Bb5 Kf8 11.Nd4 a6 12.Be2 ed5 13.ed5 h6 14.f4 Ned7 15.a4 (15.Be3 Qa5 16.Qb3 Nc5=) 15...Nc5 16.Bf3 Bd7 17.Re1 Rc8 18.Qe2 Rc7 19.Bd2 Rc8 20.Ra3 Ng8 21.Ne4 White plans a5 (21.Be3 Bh4 22.Rc1 Bf6=) 21...Ne4 (21...Na4!? 22.f5 Nc5+=) 22.Qe4 Nf6 23.Qe2 Ng8 24.a5 Bf6 25.Qe4 Qe8 26.Qd3 Ne7 (26...Qd8 27.Bb4+=) 27.Bb4 Qd8 28.Bd6 Bb5 (28...Kg8!?+/-) 29.Nb5+- ab5 30.Bb4 Kg8 (30...Rc4 31.Re4 Rc1 32.Kf2+-) 31.d6 Nc6 32.Bc6 Rc6 33.d7 Re6 34.Rc1 (34.Re6!? fe6 35.Rc3 Bc3+-) 34...Rc6 35.Rc6 bc6 36.a6 Qa8 37.a7 g6 (37...h5+-) 38.Bc3 Bc3 (38...Bd8 39.Qd6 f6 40.Bf6+-) 39.d8Q (39.d8Q Qd8 40.Qd8 (40.Rc3 Qb6 41.Qe3 Qe3 42.Re3 Kg7+=; 40.Qc3?! Qa8+-) 40...Kh7 41.Qd7+- (41.Rc3?! Rd8 42.Rc6 b4=); 39.Rc3?! Qa7 40.Kf1 Kg7 41.Rc6 Rd8=) 1–0. Seidman,Herbert – Tucci, New York, 1941. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.c4 bc3)

    8.Nc3 d5 9.e5 Nfd7 10.Rb1 a6 -/+.

    8.Nc3 d5 9.e5 Nfd7 10.Nb5 a6 (10...0-0 11.Bf4+=) 11.Qa4 (11.Nd6!? Bd6 12.ed6+-) 11...Nc6+= 12.Nd6 Bd6 13.ed6 Qa5 14.Qc2 (14.Qb3 Qb4+=) 14...Qb4+= 15.a4 (15.Bf4 Nd4 16.Nd4 Qd4=) 15...Qd6= 16.Bh7?? (better 16.Re1=) 16...Nf6-+ 17.Ng5 (17.Ba3 Qf4 18.Bc1 Qb8-+) 17...Nh7 18.Nh7 Nd4 (better 18...f5 19.Ba3 Qc7-+) 19.Qd3 e5 (19...Qb4 20.Qh3 Kd8 21.Bg5 Kc7 22.Rac1 Nc6 23.Qf3-/+) 20.Re1 Nc6 21.Ng5 Be6 22.Qg3 0-0-0 23.Ba3 Qc7 24.Rac1 e4 25.Qc3?? (better 25.Qc7 Kc7 26.Bb2-/+) 25...Qh2-+ 26.Kf1 Qh4 (26...Qh1 27.Ke2 Qh5 28.Kd2 Qg5 29.Qe3-+) 27.Ke2 (27.Ne6 fe6 28.Qa5-+) 27...Qh5 28.f3 (28.Kd2 Qg5 29.Qe3 Qf6-+) 28...Qg5 29.Kf2 (29.Kd1 d4 30.Qb2-+) 29...d4 30.Qb2 e3 31.Kg1 (31.Re3 de3 32.Kf1 Rh1 33.Ke2 Qg2 34.Ke3 Qg5 35.Ke2 Rh2 36.Kf1 Bh3 37.Qg2 Qg2 38.Ke1 Qd2) 31...Qh4 32.Re3 (32.Rc6 bc6 33.Qb8 Kb8 34.Bd6 Kc8 35.Re3 de3 36.Kf1 Qf2) 32...Qh2 (32...de3 33.Rc6 bc6 34.Qb8 Kb8 35.Bd6 Rd6 36.Kf1 Qf2) 33.Kf1 Qh1 (33...de3 34.Qf2 ef2 35.Kf2 Rd2 36.Ke3 Rhd8 37.Rc6 bc6 38.g3 g5 39.Bd6 Qe2) 34.Ke2 Qg2 35.Kd3 de3 36.Ke3 (36.Kc3 Qf3 37.Qb7 Kb7 38.Rb1 Kc8 39.Rb8 Kb8 40.Bd6 Rd6 41.a5 e2 42.Kb2 e1Q 43.Kc2 Rh2) 36...Qg5 37.Ke2 (37.Kf2 Rh2 38.Kf1 Bh3 39.Qg2 Qg2 40.Ke1 Qd2) 37...Rh2 38.Kf1 Bc4! 39.Rc4 (39.Rc4 Rd1) 39...Rd1 0–1. Valgardsson,Gudjon Heidar – Hovmoller,Kristian, Nordic–chT U20, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.c4 bc3)

    8.Nc3 d5 9.e5 Nfd7 10.Bf4 Nc6 (10...h6 11.Rc1-/+) 11.g3 (11.Rc1 a6-/+) 11...g5 (11...h6!? 12.Bc1-/+) 12.Be3 (12.Bc1 a6-/+) 12...g4 Black threatens to win material: g4xf3 (12...Ndb8 13.Rc1+=) 13.Ne1 (13.Nd2 h5-/+) 13...h5 (13...Bb4 14.Rc1 Bc3 15.Rc3 Qa5+=) 14.f3? (14.Rc1 Nf8-/+) 14...Nde5 15.de5 White wins a piece (15.de5 d4 Passed pawn) 15...d4 Black threatens to win material: d4xc3 16.Bd2 dc3 17.Bc3 Bc5 18.Kg2 Bd4 19.Bd4 Qd4 20.fg4 hg4 21.Rf4 White threatens to win material: Rf4xd4 21...Qe5 22.Rg4 Black cannot castle king side 22...f5 Black threatens to win material: f5xg4 23.Nf3 White threatens to win material: Nf3xe5 23...Qf6 24.Ra4 White has an active position 24...Qb2 25.Be2 (25.Bc2 b5 26.Rb1 Qb1 27.Qb1 ba4 28.Ba4 Bd7+=) 25...Qg7 (25...b5 26.Rf4 Bb7=) 26.Rb1 a6 27.Rb6 Qc7 Black threatens to win material: Qc7xb6 (27...Qc3 28.Rc4 Qe3 29.Rb1+=) 28.Qb3 Qd7 (better is 28...Rg8!?-/+) 29.Qb2 White threatens to win material: Qb2xh8 29...Rg8 Black's piece can't move: c8 30.Ne5 White threatens to win material: Ne5xd7 30...Qc7 Black threatens to win material: Qc7xe5 31.Bh5 Ke7 32.Ng6 Rg6 33.Bg6 White wins the exchange 33...Ne5 34.Rh4 1–0. Campos,Jose Felix (2200) – Malajovich,Sandra (2115), Metropolitano Superior op, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Be7 6.0-0 Nf6)

    8.Nc3 Bd7 -/+.

    7.Re1 Nc6

    8.Bb2 d5 9.e5 Nd7 10.a3 Nb6 11.ab4 Nb4 12.Bf1 Nc4 13.Bc1 b5 14.Na3 Qa5 15.Bd2 Qb6 16.Nc4 bc4 17.Rb1 Qa5 18.Rb2 Qa4 19.Qb1 Na6 20.Be2 Qd7 21.c3 Nc7 22.Bd1 a5 23.Bg5 0-0 24.Ra2 Bg5 25.Ng5 f5 26.ef6 gf6 27.Nf3 Qd6 28.Bc2 Rf7 29.Qa1 Qa6 30.Qc1 Bd7 31.Qh6 Qc8 32.Rea1 Nb5 33.Qe3 Qc7 34.Ba4 Ra6 35.h3 Na7 36.Bd7 Rd7 37.Nh2 Rg7 38.Ng4 Rg6 39.f4 Kf8 40.Rf1 f5 41.Ne5 Rg7 42.Rb1 Nc8 43.Qf2 Nd6 44.Qh4 Kg8 45.Qh6 Qc8 46.Rab2 Ra8 47.Rb6 Ne8 48.Re6= Nc7 49.Rf6 a4 50.Qh5 a3 ½–½. Griffith,David O (2190) – Bubir,Alex Nikolaevich (2375), IECG, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Bb2 d5 9.e5 Nd7 10.a3 Nb6 11.ab4 Nb4 12.Bf1 Nc4 13.Bc4 dc4 14.Na3 Qd5 15.Nd2 b5 16.Qg4 Bf8 17.Ne4 h5 18.Qg5 Bb7 19.f4 (19.Nc3 Qd8 (19...Qd4?! 20.Ncb5 Qd7 21.Nd6 Bd6 22.ed6+=) 20.Qd8 Rd8 21.Ncb5 a6 22.Nd6 Bd6 23.ed6 Bd5+=) 19...Bc6 20.f5 ef5 21.Nd6 Bd6 22.ed6 Kf8 23.Re5 Qd6 24.Qf5 Qf6 25.Nb5 Qf5 26.Rf5 Nc2 (26...g6 27.Rf2 Bb5 28.Ba3-/+) 27.Ra7+= Ra7 28.Na7 Rh6 29.Rc5 Bb7 30.Rb5 (30.Rc4!? Ne3 31.Rc7+=) 30...Be4-/+ 31.d5 Ke8 32.Be5 f6 33.Bf4 g5 34.Rb8 (34.Nc8 gf4 35.Nd6 Kd7 36.Ne4 Ne3 37.Rb7 Ke8+=) 34...Kf7-/+ 35.d6 Bf5 (35...gf4? 36.d7 Rg6 37.g3 fg3 38.d8Q gh2 39.Kh2+-) 36.Rb7 Kf8 37.Bd2 Rh7 38.Rh7 Bh7 39.Nc8 Nd4 40.Bc3 Bf5 41.Bd4 Bc8 ½–½. Griffith,David O (2190) – Fleurackers,Norbert (2355), IECG, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    8.Bb2 d5 9.e5 Nd7 10.a3 Nb6 11.ab4 Nb4 12.Bf1 Bd7 13.c3 Nc6 14.Na3 a6 15.Bd3 Na7 16.Qb1 Rc8 17.Bh7 Na4 The backward pawn on c3 becomes a target 18.Bc2 Nc3 (18...Nb2?! 19.Qb2 Qc7 20.Re3=) 19.Bc3 Rc3 20.Qb7 (20.Qb2!? Qa5 21.Bb3-/+) 20...Ba3-+ (20...Ra3?! 21.Ra3 Ba3 22.Qa7=) 21.Qa7 Bb2 (21...Rc2?! 22.Ra3 Bb5 23.Raa1=) 22.Ra6 Rc2 23.Qb7 Bc1 24.Ra8 Bc8 25.Qb3 Rc4 26.Qb5 Qd7 27.Qd7 Kd7 28.Ra7 Ke8 29.Rd1 Rf8 30.h3 Bd7 31.Rd3 Ke7 32.Rb3 Ra4 33.Rab7 Rc8 34.Kh2 Rac4 35.g3 R8c7 36.Rc7 Rc7 37.Ne1 (37.Kg2 Ba4 38.Rb1 Bd1-+) 37...Bd2 38.Rb1 (38.Nf3 Bc3-+) 38...Rc3 39.Kg2 Rc1 (39...Be1!? 40.Re1 Rd3 41.Ra1-+) 40.Rc1 Bc1 41.Nd3 Bd2 42.Kf3 Bb5 43.Ke2 Be1! 44.Ke1 Bd3 0–1. Neumann,Ulrich – Alvarez,Roberto Gabriel (2555), IECG, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.Re1 Nc6)

    8.Bb2 d5 9.e5 Nd7 10.a3 Nb6 11.ab4 Nb4 12.Bf1 Bd7 13.c3 Nc6 14.Nbd2 0-0 15.Bd3 a5 16.Re3 Be8 17.h4 (17.Ba3 Ba3 18.Ra3 h6=) 17...g6 (17...Bh4 18.Nh4 Qh4 19.Rh3+-) 18.h5 a4 19.Nh2 (19.Ba3 Ba3 20.Ra3 f6+= (worse is 20...gh5 21.Ng5 Qg5 22.Rg3 Qg3 23.fg3+=)) 19...Na5 20.Rh3 Nbc4 21.Bc1 Nd2 22.Qd2 g5 (22...Nb3 23.Qh6 f5 24.ef6 Bf6 25.hg6+-) 23.Bb1 f5 24.ef6 Bf6 25.Ng4 Nb3 26.Qd3 Qd7 (26...Qc7 27.Ba3 Na1 28.Bf8 Kf8 29.Nf6 g4 30.Ng4 a3 31.Rf3 Ke7+-) 27.Ba3+= (27.Nf6 Rf6 28.Bg5 Rf5+= (28...Na1 29.Bf6 Kf8 30.Qg3+-)) 27...Na1 (27...e5 28.de5 Na1 29.Nh6 Kh8+-) 28.Bf8+/- Kf8 29.Rf3 Ke7 30.Rf6 (30.Nf6 Qc8+-) 30...a3 31.Ba2 Qb5? (better is 31...Kd8!?+/-) 32.c4 (worse is 32.Qh7 Kd6 33.Ne3 Qd7+-) 32...Qb2 33.Qh7 Kd8 34.Rf8 (34.Re6?! Qc1 35.Kh2 Qf4 36.Kh3 Qf7 37.Rd6 Kc7 38.Qf7 Bf7+-) 34...Qa2 (34...Qc1 35.Kh2 Qf4 36.Rf4 gf4 37.Qb7 Rc8 38.cd5 Bd7+-) 35.Qf7 Qb1 36.Kh2 1–0. Johannessen,Svein – Lehmann,Heinz, Hoogovens Beverwijk, 1965. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7 7.Re1 Nc6)

    8.Bb2 d5 9.e5 Nd7 10.a3 Nb6 11.ab4 Nb4 12.Bf1 Bd7 13.c3 Nc6 14.Bd3 Nc4 15.Bc4 dc4 16.Nbd2 b5 17.Ba3 Ba3 18.Ra3 a5 19.Ne4 0-0 20.Nd6 Ne7 21.Ng5 h6 22.Nge4 Bc6 23.Qg4 Be4 24.Qe4 (worse is 24.Re4 b4 25.cb4 ab4 26.Ra8 Qa8-+) 24...b4 25.cb4 ab4 26.Ra8 Qa8 27.Qb1 b3 28.Nc4 Qa2 29.h3 (29.Qd3 Rb8-/+) 29...Nd5 30.Nb2 (better is 30.Ne3!?-/+) 30...Rc8-+ 31.Nd3 Rc2 32.Kh1 (better is 32.Qa2 ba2 33.Ra1-+) 32...Nc3 33.Qa2 ba2 (33...ba2 34.Ra1 Rd2-+; 33...Na2?! 34.Rb1 Rc3 35.Rd1-/+) 0–1. Griffith,David O (2190) – Taylor,Desmond (2435), IECG, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6 6.0-0 Be7)

    6.a3 ba3

    7.0-0 Nc6 8.Nc3 (8.Na3 Be7 9.c4 0-0 10.Nb5 a6 11.Bf4 b6 12.e5 de5 13.de5+=; 8.c4 Be7 9.Na3 0-0 10.Nb5 a6 11.Bg5 e5 12.d5 Nb4 13.Qb3+=; 8.Ba3 Be7 9.e5 Nd5 10.ed6 Bd6 11.Bd6 Qd6 12.Nbd2 0-0 13.Ne4+=) 8...Be7 9.d5 Ne5 10.Bb5 Kf8 11.Re1 Qc7 12.Ra3 Kg8 13.Be3 =.

    7.0-0 Bd7 8.Ba3 (8.Na3 Be7 9.e5 Nd5 10.Nb5 Bb5 11.Bb5 Nc6 12.c4 Nc7 13.Bc6=; 8.Re1 Nc6 9.Ba3 Be7 10.e5 de5 11.de5 Nd5 12.Be4 Ba3 13.Ra3=) 8...Qc7 9.Nbd2 Nc6 10.Re1 e5 11.d5 Nd8 12.c3 a5 13.Qb3 =.

    7.Ra3 d5 8.Rb3 de4 9.Bb5 Nbd7 10.Ne5 a6 11.Bd7 Nd7 12.Nc3 Ne5 13.de5 -+.

    7.Ra3 d5 8.e5 Ba3 9.Ba3 Nfd7 10.0-0 Nc6 11.Nbd2 Qa5 12.Bd6 Qc3 13.Nb1 -+.

    7.Ra3 d5 8.e5 Ba3 9.Ba3 Ne4-+ 10.0-0 b6 11.Re1 Bb7 12.Nbd2 Nd2 13.Nd2 -+.

    7.Ba3 Nc6 8.0-0 (8.Nbd2 Be7 9.0-0 0-0 10.Qe2 Qc7 11.e5 de5 12.Be7 Qe7 13.de5+=) 8...Be7 9.e5 Nd5 10.Be4 de5 11.de5 f5 12.Be7 Nce7 13.Bd3 +=.

    7.Ba3 Qc7 8.e5 (8.0-0 Nc6 9.Re1 Be7 10.e5 Nd5 11.c4 Nf4 12.Nc3 Nd3 13.Nb5=; 8.Nbd2 Nc6 9.Qe2 Be7 10.0-0 0-0 11.e5 de5 12.Be7 Qe7 13.de5+=; 8.Qe2 Nc6 9.0-0 Bd7 10.Nbd2 Be7 11.e5 de5 12.Be7 Ne7 13.de5=) 8...Nfd7 9.ed6 Bd6 10.Bd6 Qd6 11.Nc3 Qb4 12.Qd2 Nc6 13.Nb5 =.

    7.Ba3 e5 8.0-0 (8.de5 de5 9.Bb2 Bb4 10.Nbd2 Ng4 11.Ne5 Qb6 12.Ng4 Bd2 13.Kd2=; 8.c3 Qc7 9.0-0 Be7 10.Qb3 0-0 11.Nbd2 Be6 12.d5 Bg4 13.Rfb1+=; 8.Nbd2 ed4 9.Nd4 Nc6 10.Bb2 Be7 11.0-0 0-0 12.c4 Qb6 13.N2b3+=) 8...Bg4 9.Nbd2 ed4 10.Qb1 Qc7 11.Nd4 Nbd7 12.Nb5 Qc6 13.Nc4 =.

    7.Na3 A) 7...d5 8.e5 (8.ed5 Bb4 9.Bd2 Bd2 10.Qd2 ed5 11.Qe3 Be6 12.Ng5 Qe7 13.Ne6=) 8...Ne4 9.0-0 Nc6 10.Qe2 Bb4 11.Nb5 Nc3 12.Qe3 Qb6 13.Nd6=; B) 7...Nc6 8.0-0 (8.Nb5 a6 9.Bf4 b6 10.c4 Bb7 11.Nc3 d5 12.ed5 ed5 13.0-0+=; 8.c4 d5 9.e5 dc4 10.Nc4 Nd5 11.Be4 b5 12.Ne3 Ncb4 13.Nd5+=; 8.Bg5 Be7 9.0-0 0-0 10.Nb5 a6 11.c4 e5 12.d5 Nb4 13.Qb3+=; 8.Be3 d5 9.e5 Ne4 10.0-0 Bb4 11.c4 Bc3 12.Rb1 0-0 13.Qb3+=) 8...Be7 9.Nb5 0-0 10.c4 a6 11.Bf4 b6 12.e5 de5 13.de5+=; C) 7...Be7 8.0-0 (8.c4 0-0 9.0-0 Nc6 10.Nb5 a6 11.Bf4 b6 12.e5 de5 13.de5+=; 8.Nb5 Nc6 9.0-0 0-0 10.c4 a6 11.Bg5 e5 12.d5 Nb4 13.Qb3+=; 8.Bf4 Nc6 9.0-0 0-0 10.Nb5 a6 11.c4 b6 12.e5 de5 13.de5+=; 8.Bg5 0-0 9.0-0 Nc6 10.Nb5 a6 11.c4 e5 12.d5 Nb4 13.Qb3+=) 8...0-0 9.c4 Nc6 10.Nb5 a6 11.Bf4 b6 12.e5 de5 13.de5+=.

    7.c3 Nc6 8.Nbd2 (8.0-0 Be7 9.Na3 0-0 10.Qc2 h6 11.Rd1 b6 12.Nb5 a6 13.e5+=; 8.Ba3 Qc7 9.Qe2 a6 10.0-0 e5 11.Nbd2 Nh5 12.Qe3 Nf4 13.d5=; 8.Na3 Be7 9.0-0 0-0 10.Nb5 a6 11.c4 e5 12.d5 Nb4 13.Nc3+=; 8.Qe2 Be7 9.Ba3 0-0 10.0-0 Qc7 11.e5 Nd5 12.ed6 Bd6 13.Bd6+=) 8...Be7 9.0-0 Qc7 10.Ba3 0-0 11.Re1 Rd8 12.Qc2 b6 13.e5 =.

    7.c3 Qc7 8.Qb3 (8.Ba3 Nc6 9.Qe2 Be7 10.0-0 0-0 11.Nbd2 Bd7 12.c4 Nh5 13.Qe3=; 8.Qc2 Be7 9.Na3 Nc6 10.0-0 0-0 11.Nb5 Qb8 12.Ba3 e5 13.d5+=; 8.0-0 Be7 9.c4 0-0 10.Na3 Bd7 11.Bf4 Bc6 12.Nb5 Bb5 13.cb5=; 8.Qe2 Nc6 9.0-0 Be7 10.Na3 0-0 11.Nb5 Qd8 12.Bf4 a6 13.Rfb1=) 8...d5 9.e5 Ne4 10.Ba3 f6 11.Bf8 Rf8 12.0-0 Nc6 13.Re1 =.

    7.c3 d5 8.ed5 (8.e5 Ne4 9.Qe2 Bd7 10.Be4 de4 11.Qe4 Bc6 12.Qg4 a2 13.Ra2=) 8...Nd5 9.0-0 Nc6 10.Qc2 a2 11.Ra2 Bd6 12.Na3 h6 13.Nc4 =.

    7.c3 Be7 8.0-0 (8.Ba3 0-0 9.e5 de5 10.de5 Nd5 11.0-0 Ba3 12.Ra3 Nc6 13.Qc2+=; 8.Nbd2 0-0 9.Ba3 Nh5 10.0-0 Nf4 11.Bc4 Nc6 12.Qe1 a6 13.Qe3+=; 8.Qe2 0-0 9.Ba3 Nc6 10.0-0 Qc7 11.e5 Nd5 12.ed6 Bd6 13.Bd6+=) 8...0-0 9.Na3 (9.Ba3 Nc6 10.e5 de5 11.Ne5 Ba3 12.Na3 Ne5 13.de5+=) 9...Nc6 10.Nc2 (10.Re1 a6 (10...b6+= 11.Qc2 h6 12.Qb2 d5 13.e5+=) 11.Qc2 e5 12.Qb2 Qc7 13.Be3+=; 10.Qc2 h6 11.Bd2 Re8 12.c4 e5 13.d5+=) 10...Qc7 (10...d5 11.e5 Nd7 12.Ba3 Ba3 13.Ra3+=) 11.Ne3 (11.Qe2 Bd7 12.c4 Rfc8 13.Ba3+=) 11...b6 (11...b5 12.Qb3 a6 13.c4+=) 12.Nd2 (12.Qc2 Bb7+= 13.Re1+=; 12.Re1 Bb7 13.Qc2+=) 12...e5 (12...a6 13.f4+= (13.Qf3+=); 12...Bb7 13.Qf3+=) 13.d5 (13.Qc2+=) 13...Na5 14.c4 (14.Ra3 Nb7+=) 14...Nb7 15.Bb2 Nc5 16.Bc2 g6 (16...Re8 17.f4+=) 17.Ra3 Nh5 18.Nf5 (18.Nb3 a6+=) 18...Bg5-/+ 19.Nf3 Bf6 (19...gf5?! 20.Ng5 Nf6 21.ef5+=) 20.N3h4? (better is 20.Ne3-/+) 20...Nf4-+ (20...gf5?! 21.Qh5 fe4 22.Nf5+=) 21.Qg4 (21.g3 gf5 22.Nf5 Ng6-+) 21...h5 22.Qd1 Qd8 (22...gf5 23.Nf5 Bf5 24.ef5-+) 23.g3 Nh3 (23...gf5 24.gf4 Bh4 25.Qh5+=) 24.Kh1 Ng5 (24...Re8 25.Kg2 Ng5 26.f4 ef4 27.Bf6 Qf6 28.e5 de5 29.gf4 ef4 30.Rf4 gf5 31.Qh5-+) 25.Re1? (better is 25.Ne3!?-+) 25...gf5 26.ef5 e4 (26...Ba6 27.Qe2-+) 27.Bc1 Kg7 28.Qh5 Rh8 29.Qg4 Kf8 30.f4 (30.Be3 Rg8-+) 30...ef3! 31.Rae3 (31.Nf3 Nf3 Combination) 31...f2 32.Rf1 Nd7 33.Rf2 (33.Ba3 Ne5 34.Qe2 Kg7-+) 33...Ne5 34.Qe2 Kg7 (34...Ba6 35.Rf4-+) 35.Re5 (35.Bb2 Ba6 36.Be5 de5-+) 35...de5 36.Bg5 Bg5 37.f6 (37.Nf3-+) 37...Bf6 38.Nf5 Bf5 39.Rf5 Qd6 0–1. Mindeguia Guruceaga,J (2105) – Cheparinov,I (2530), Open, Pamplona ESP, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 ba3)

    7.Qe2 Be7 8.h4 (8.0-0 0-0+=) 8...Nbd7 9.Na3 e5 10.Bb2 ed4 11.Bd4 Ne5 12.Be5 (12.Nb5!? Nc6 13.Na7 Nd4 14.Nd4=) 12...de5-/+ 13.Kf1 (13.Bb5!? Kf8 14.Nc4 Bb4 15.Kf1-/+) 13...0-0 14.Nc4 Ng4 15.g3 (15.Ra5 f6-+) 15...Be6 (15...Bc5!? 16.Ne3-+) 16.Kg2 Bc5 17.Nce5 Ne5 18.Ne5 Bd4 19.Nf3 Ba1 20.Ra1 Bg4 21.e5 Bf3 22.Qf3 Qe7 23.Qe4 g6 24.Rb1 b6 25.f4 Rad8 26.f5 Qc5 27.Qf4?? (better is 27.h5-+) 27...Rd3! 28.cd3 Qc2 29.Kh3 Qb1 30.f6 (30.Qf3 a5 31.h5 gh5-+) 30...Qh1 (30...Rd8 31.Kg2 Qd3 32.Qh6 Qd2 33.Qd2 Rd2 34.Kf3 Rd3 35.Kf4-+) 31.Kg4 h5 (31...Rd8 32.Qe4 Qd1 33.Kh3 Rd3 34.e6 Qf1 35.Qg2 Qg2 36.Kg2 Rg3 37.Kg3 fe6 38.Kf4-+) 32.Kg5 Qh3 (32...Rd8!? 33.Kh6 Qe1 34.d4-+) 33.Kh6 Qf5 34.Qe3 Rd8 35.d4 Qd7 36.e6 (36.Qf4 a5-+) 36...fe6 (36...Qd4?? 37.ef7 Kf7 38.Qe7 Kg8 39.Qg7) 37.Kg6 (37.Qd3 Qh7 38.Kg5 Rd5 39.Kf4 e5 40.Ke3 Rd4 41.Qb5 Qh6 42.Kf3-+) 37...Qh7 38.Kg5 Rd5 39.Kf4 (39.Qe5 Re5 40.de5 Qf5 41.Kh6 Kf7 42.g4 Qg6) 39...Qf5 0–1. Sorenfors,Per (2010) – Johnsson,Thomas (2140), Lund, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 ba3)

    7.0-0 Be7

    8.Ra3 d5 9.e5 Ba3 10.Ba3 Nfd7 -/+.

    8.Ba3 0-0 9.c4 e5 10.c5 (10.de5 de5 11.Ne5 Qd4 12.Be7 Qa1 (worse is 12...Qe5 13.Bf8 Qa1 14.Bb4+=) 13.Bf8 Qe5+=) 10...dc5-/+ 11.de5 Nfd7 12.Nc3 Nc6 13.Bb5 Nde5 14.Ne5 Ne5 15.f4 (15.Qc2 Be6-/+) 15...a6-+ 16.Be2 Nc6 17.Nd5 Nb4 18.Ne7 Qe7 19.Bf3 b5 20.Rc1 (20.Bb4 cb4 21.e5 Bb7-+) 20...Rd8 21.Qe2 Nd3 22.Rfd1 (22.Rcd1 Qa7-+) 22...Nf4 (22...Nc1!? 23.Rc1 b4 24.Bb2-+) 23.Rd8 Qd8 24.Qe3 Ne6 (24...Nd3 25.Rf1 c4 26.e5-+) 25.e5 Rb8 26.Bc5 Nc5 27.Qc5 Be6 28.Rd1 Qf8 29.Qa7 Qc8 30.Bb7 (30.Rd6 b4 31.Rc6 Qf8-+) 30...Qc7 (30...Rb7?! 31.Qb7 Qc5 32.Kh1=; 30...Qb7?? 31.Qb7 Rf8 32.Qa6+-) 31.Qa6 Bb3 (31...Qe5 32.Qb6 g6 33.Qa6-+) 32.Qd6 Qd6 33.Rd6 (33.ed6?? Bd1 (33...Rb7?! 34.d7 Rd7 35.Rd7+=) 34.Be4 Rd8-+) 33...Kf8 (33...b4 34.Be4-+) 34.Be4-/+ b4 35.Kf2 Be6 36.Ke3 b3 37.Bb1 Bg4 38.Kd2 Rb5 39.Kc3 Ke7 40.Rd2 Be6 41.Re2 Rc5 42.Kd4 Rc1 43.Rb2 g6 44.Be4 Ra1 45.Bb1 h6 46.g3 h5 47.Ke3? (better is 47.Be4-+) 47...Bd5 48.Kd4 Ra2! (48...Ra2 49.Kc3 Rb2 50.Kb2 Ke6-+) 0–1. Kiltti,Jyrki (2190) – Lehtinen,Heikki (2200), Tampere We HervS I, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 ba3)

    8.Ba3 Nc6 9.e5 Nd5 10.ed6 Bd6 11.Bd6 Qd6 12.Nbd2 0-0 13.Ne4 +=.

    8.Na3 0-0 9.Nb5 Bd7 10.Qe2 Bb5 11.Bb5 d5 12.ed5 Nd5 13.Bd2 +=.

    8.c4 Nc6 9.Na3 0-0 10.Nb5 a6 11.Bf4 b6 12.e5 de5 13.de5 +=.

    8.e5 Nd5 9.Ba3 Nc6 10.c4 Nf4 11.ed6 Bd6 12.Bd6 Qd6 13.c5 +=.

    8.Bg5 0-0 9.Na3 Nc6 10.Nb5 a6 11.Re1 b6 12.e5 de5 13.de5 +=.

    7.Ba3 Be7

    8.0-0 0-0 9.Qe2 Nc6 10.Nbd2 e5 11.c3 b6 12.Nc4 (12.Bb5 Nb8=) 12...Bb7 (12...ed4 13.Nd4 Nd4 14.cd4=+) 13.Rfd1 (worse 13.de5 de5 14.Be7 Qe7-/+ (14...Ne7?! 15.Nce5 Qc7 16.Rfd1=)) 13...ed4 14.cd4 d5 15.ed5 Nd5 16.Be7 Nde7 The isolani on d4 becomes a target (16...Qe7 17.Qe7 Nce7 18.Nd6-/+) 17.Nce5= Ne5 (17...Nd4? 18.Nd4 a5 19.Nb5+-) 18.de5 Qe8 19.Ng5 Threatening mate... how? 19...h6 20.Nh7 Qc6 Do you see the mate threat? 21.f3 (better 21.Qg4 Rfd8 22.Be4 Rd1 23.Rd1=) 21...Rfc8-+ 22.Kh1 Ng6 23.e6 (23.Qa2 Ne5 (23...Kh7?! 24.Qf7 Rf8 25.Bg6 Qg6 26.Qb7=) 24.Bf5 Nf3-+) 23...Kh7 24.ef7 Qf6 (24...Qf6 25.Bg6 Kg6 26.Qd3 Qf5 (26...Kf7?! 27.Qd7 Qe7 28.Qf5 Kg8 29.Rd7-/+) 27.Qd6 Kh7-+) 0–1. Odnorozhenko,E (2310) – Strovsky,M (2275), Zolochiv Chess Winter, 2017. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 ba3 7.Ba3 Be7)

    8.0-0 0-0 9.e5 de5 10.de5 Ba3 11.ef6 (11.Na3!? Nd5 12.Nb5=) 11...Bb2-/+ 12.fg7 Bg7 13.Ne5?? (13.c3 Nc6-/+) 13...Nd7 (better is 13...Be5 14.Qg4 Bg7 15.Na3-+) 14.Ra4?? (14.Nd7 Bd7 (14...Ba1?! 15.Nf8 Kf8 16.Qh5=) 15.Ra3 Bc6-/+) 14...f5 (better is 14...Ne5 15.Ra3 Qh4-+) 15.Nf3 b6 16.Rh4 Ne5 17.Nbd2 (17.Rh3!?-/+) 17...Bb7-+ 18.g3 (18.Rh3 Nd3 19.cd3 Qd3-+) 18...Qd5 (18...Nd3 19.cd3 Qd3 20.Rb4-+) 19.Kg2? (better is 19.Be2-+) 19...Nd3 20.cd3 Rfd8 21.Kg1 (21.Qe2 e5 22.d4 e4-+) 21...Qd3 22.Qa4 (22.Ng5 h6 23.Ne6 Qd5-+) 22...Bf3 23.Nf3 Qf3 24.Qc4 Rd5 (24...Rd6 25.Qa6-+) 25.Rc1 (25.Qc6 Rad8 26.Qe6 Kf8-+) 25...Rd1 26.Rd1 Qd1 (26...Qd1 27.Kg2 Qd5 28.Qd5 ed5-+) 0–1. Schuit,A – Veel,Elbert, Haarlem ACCOM op2, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 ba3 7.Ba3 Be7)

    8.0-0 Nc6 9.e5 Nd5 10.c4 Nf4 11.Be4 d5 12.Be7 Qe7 13.Bd3 +=.

    8.0-0 d5 9.e5 Nfd7 10.Nc3 Ba3 11.Ra3 Nc6 12.Nb5 0-0 13.Nd2 f5 (13...f6 14.Qh5 f5 15.Nf3+=) 14.Qh5 g6 (14...Nb4 15.Na7 Nd3 16.cd3+=) 15.Qh6+= Rf7 16.Nf3 Nf8 17.Ng5 Rg7 18.Rb1 a6 19.c3 Rb8 20.Nd6 b5 21.Rba1 Rb6 22.Bf1 Nb8 23.Rb3 Rc6 24.c4 dc4 (24...bc4 25.Rb8 Pinning (25.Rb8 Deflection); 24...dc4 25.Bc4) 25.Bc4 Rd6 (25...bc4 26.Rb4 Double attack (26.Rb8 Pinning; 26.Rb8 Deflection; 26.Rb4 Decoy); 25...Rc4 26.Nc4 Combination) 26.ed6 Qd6 27.Be2 Nc6 28.Nf3 Nd4 29.Nd4 Qd4 30.Rd1 Qb6 31.Rc3 Bb7 32.Rcd3 b4 33.Bf3 (33.Rd6 Qc7 34.Qf4+= (worse is 34.Ba6 Bd5 35.R6d5 ed5-+)) 33...Bf3-/+ 34.gf3 (34.Rf3 Rd7 35.Rd7 Nd7-/+) 34...a5 35.Rd8 Qc5 (35...Rf7 36.Re8 e5 37.Rdd8-/+) 36.Rb8 (36.Rc1 Qe7 37.Ra8 b3-/+) 36...Rf7 37.Rdd8 f4 (37...Qe7 38.Re8 Qf6 39.Ra8+=) 38.Rbc8 (38.Rf8 Rf8 39.Rb7 Rf7 40.Rb8 Rf8=) 38...Qf5 (38...Qe7 39.Re8 Qf6 40.Ra8-/+) 39.Ra8 (39.Rf8 Rf8 40.Rc7 Rf7 41.Rc8 Rf8=) 39...Qc5 40.Rac8 Qe7 41.Ra8 b3 42.Rab8 Qa3 (42...a4 43.Rd4 a3 44.Ra4-+) 43.Qh3 (better is 43.Kg2!?-/+) 43...Kg7-+ 44.Rf8? (better is 44.Qf1 a4 45.Qe1-+) 44...Rf8 45.Rb7 Rf7 46.Rf7 Kf7 47.Qh7 Kf6 48.Qh8 Kf5 49.Qh3 Ke5 50.Qh8 Kd5 51.Qa8 Kc4 52.Qc6 (52.Qe4 Kc3 53.Qf4 a4-+) 52...Qc5 53.Qe6 Kb4 54.Qe1 Qc3 55.Qe7 Ka4 56.Qe4 Ka3 57.Qg6 (57.Qb1-+) 57...b2 (57...Qf3 58.Qd6 Ka2 59.Qd2 Kb1 60.Qe1 Kc2 61.Qa5 Qg4 62.Kf1 Qh3 63.Kg1-+) 58.Kg2 Ka2 59.Qf7 Ka1 60.Qf4 b1Q 61.Qa4 Qa2 62.Qd1 Kb2 63.Qe2 Ka3 64.Qe7 Qb4 65.Qe3 Qab3 66.Qc1 Ka2 67.h4 (67.Qg5 Qe1 68.Qf4 Qd3 69.Qf7 Kb2 70.Qb7 Ka3-+) 67...Qg8 (67...Qg8 68.Kh3 Qgc4 69.Qc4 Qc4-+) 0–1. Yerhoff,Frank – Yanofsky,Daniel Abraham, CAN–ch Vancouver, 1951. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 ba3 7.Ba3 Be7)

    8.c3 Nc6 9.0-0 0-0 10.e5 de5 11.Ne5 Ba3 12.Na3 Ne5 13.de5 +=.

    8.c4 Nc6 9.0-0 0-0 10.Nc3 e5 11.d5 Nb8 12.Qe2 b6 13.Nb5 +=.

    8.Nbd2 0-0 9.0-0 Nc6 10.Qe2 Qc7 11.e5 de5 12.Be7 Qe7 13.de5 +=.

    8.e5 Nd5 9.0-0 0-0 10.Qd2 de5 11.Be7 Qe7 12.c4 Nb4 13.Ne5 +=.

    6.a3 Nc6

    7.0-0 Bd7 8.c3 (8.c4 bc3 9.Nc3 Rc8 10.Rb1 Nd4 11.Nd4 Rc3 12.Rb7 Qa8 13.Ba6+=; 8.Nbd2 Qc7 9.Rb1 d5 10.e5 Ng4 11.h3 Nh6 12.Nb3 ba3 13.Ra1+=; 8.Bd2 d5 9.ed5 Nd5 10.ab4 Ndb4 11.Be4 Be7 12.c3 Nd5 13.Re1+=; 8.Bg5 Be7 9.ab4 Nb4 10.e5 Nd3 11.Qd3 de5 12.de5 Nd5 13.Be7+=) 8...ba3 9.Qb3 Na5 10.Qc2 Bc6 11.c4 Be7 12.Ba3 b6 13.d5 =.

    7.ab4 Nb4 8.0-0 Nd3 9.Qd3 Be7 10.Na3 0-0 11.Nb5 b6 12.Re1 Bb7 13.Ba3 a6 14.Nc3 Rc8 15.Rab1 b5 16.Rb4? (better 16.e5!? de5 17.Be7 Qe7 18.de5-+) 16...d5-+ 17.e5 Ne4 18.Rb3 (18.Nd1 Bb4 19.Bb4 Re8-+) 18...Ba3 19.Ra3 (19.Nb5 ab5 20.Ra3-+) 19...b4 20.Rb3 Rc3 (worse 20...Nc3 21.Rb4 Nb5 22.Reb1-+; 20...bc3?! 21.Rb7 Ra8 22.Ra1-/+) 21.Rc3 Nc3 22.Ra1 a5 23.Qb5 (23.Kh1-+) 23…Nb5 0-1. pipesharp – marekt, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.Nf3 Nf6 5.Bd3 d6)

    7.c4 A) 7...ba3 8.Ba3 (8.Na3 d5 9.e5 dc4 10.Nc4 Nd5 11.Be4 b5 12.Ne3 Ncb4 13.Nd5+=; 8.0-0 Be7 9.Na3 0-0 10.Nb5 a6 11.Bf4 b6 12.e5 de5 13.de5+=) 8...Qb6 9.Bc2 Qa5 10.Qd2 Qd2 11.Nbd2 Be7 12.d5 ed5 13.cd5=; B) 7...d5 8.ed5 ed5 9.0-0 Bg4 10.Be3 dc4 11.Bc4 Bd6 12.ab4 Nb4 13.Qa4+=; C) 7...bc3 8.Nc3 (8.0-0 d5 9.Nc3 de4 10.Ne4 Be7 11.Be3 Nd5 12.Nc5 Qc7 13.Qb3+=) 8...Be7 9.0-0 0-0 10.Re1 d5 11.e5 Nd7 12.Qc2 f5 13.ef6+=.

    7.Bg5 A) 7...Qa5 8.Bf6 (8.Qd2 d5 9.Bf6 gf6 10.ed5 Qd5 11.c4 bc3 12.Nc3 Qa5 13.0-0+=; 8.0-0 Nd4 9.Nd4 Qg5 10.Nb5 Qe5 11.c3 d5 12.f4 Qb8 13.e5+=) 8...gf6 9.0-0 Rg8 10.Re1 b5 11.c3 bc3 12.Nc3 a6 13.Qb3=; B) 7...h6 8.Be3 (8.Bd2 d5 9.e5 Ne4 10.0-0 Nd2 11.Qd2 Qa5 12.a4 Be7 13.Rc1+=; 8.Bc1 Be7 9.0-0 0-0 10.c4 bc3 11.Nc3 d5 12.e5 Nd7 13.Qe2+=; 8.Bf6 Qf6 9.ab4 Nb4 10.Nc3 Bd7 11.Nb5 Qd8 12.0-0 a6 13.Na3+=) 8...ba3 9.Na3 d5 10.e5 Ne4 11.0-0 Bb4 12.c4 0-0 13.Qc2+=; C) 7...Be7 8.0-0 (8.ab4 Nb4 9.0-0 0-0 10.e5 de5 11.de5 Nfd5 12.Be7 Qe7 13.c4-/+; 8.c4 d5 9.e5 dc4 10.Bc4 Nd5 11.Be7 Qe7 12.Qb3 0-0 13.Bd5-/+; 8.c3 bc3 9.Nc3 h6 10.Bd2 0-0 11.0-0 d5 12.e5 Nd7 13.Qe2+=; 8.e5 de5 9.de5 Ng4 10.Be7 Qe7 11.Bb5 Qc5 12.Bc6 bc6 13.0-0+=) 8...0-0 9.c3 bc3 10.Nc3 h6 11.Bf4 d5 12.e5 Nd7 13.Bc2+=; D) 7...ba3 8.0-0 (8.Na3 Be7 9.0-0 0-0 10.Nb5 a6 11.c4 e5 12.d5 Nb4 13.Qb3+=) 8...h6 9.Be3 a2 10.Nbd2 Be7 11.Ra2 Nb4 12.Bb5 Bd7 13.Bd7+=.

    7.0-0 Be7

    8.ab4 Nb4 9.Ba3 Nd3 10.cd3 0-0 11.Nc3 Bd7 12.Qb3 b5 13.Rfb1 (13.Nb5? Rb8-+) 13...a5 (13...a6 14.e5 Ne8 15.d5-/+) 14.e5 Ne8 15.Ne4? (better is 15.Nb5!? Bc6 16.Qd1+=) 15...b4-+ 16.Bc1 de5 17.de5 Bb5 18.d4 Nc7 19.Bg5 Bg5 20.Neg5 h6 21.Ne4 Nd5 22.Ne1 Qb6 23.Nc5 (better is 23.Nc2!?-+) 23...Nc3 24.Rb2 Ne2 (24...Ne2 25.Re2 Be2-+) 0–1. Beyer,Felix – Krallmann,Matthias (2260), Hamburg op, 1992. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 Nc6)

    8.c3 ba3 9.Na3 0-0 =.

    8.Qd2 Qa5 9.c4 ba3 10.Qa5 Na5 11.Ba3 Nh5 12.g3 Nb3 13.Ra2 +=.

    8.Bd2 Qb6 9.e5 de5 10.de5 Nd7 11.Re1 Nc5 12.ab4 Nb4 13.Be3 +=.

    8.Nbd2 0-0+= 9.Qe2 ba3 10.Ba3= e5 (10...a5 11.c4=) 11.c3 (11.d5 Nb8+=) 11...Nh5 12.g3 Bg4 13.Qe3 Re8 (13...b6 14.Bb5 Rc8 15.Bc6 Rc6 16.de5+=) 14.Rfb1 (14.d5 Nb8+=) 14...Qc7= 15.Bc4 (15.Nc4!? b6 16.Rb3=) 15...Nf6+= 16.Ng5 Bh5 17.f3 (17.h3 h6 18.Ngf3 a6+=) 17...ed4 18.cd4 d5 (18...h6 19.Nh3 d5-/+) 19.Bd3? (19.ed5!? Ba3 20.Qa3 Nd4 21.d6+=) 19...de4 (19...h6 20.Nh3 de4 21.Be4 Ba3 22.Ra3-+) 20.fe4 (20.Nge4 Nd5 21.Qf2 Rad8-/+) 20...h6 (better is 20...Rad8!? 21.Ngf3 Nd4 22.Nd4 Ng4-+) 21.Ngf3-/+ Ba3 (21...a5 22.Be7 Qe7 23.e5-/+) 22.Ra3+= Nd5 (22...Qd7 23.e5+=) 23.Qf2= Ndb4 (23...Bf3 24.Nf3 Qd6 25.Rba1+= (worse is 25.ed5 Qa3 26.Bb5 Reb8-+; 25.Rb7?? Qa3 26.Bc4 Qc1 27.Ne1 Re7 28.Re7 Nce7-+)) 24.Bc4 (24.d5 Nd3 25.Rd3 Na5=) 24...a5 25.Rc3 Qe7 (25...Rad8 26.Re1+=) 26.e5 (26.Rbc1 Red8+=) 26...Bg6 (26...Red8!?-/+) 27.Rf1= Rad8 28.Nh4 Kh7 29.Nf5 (29.Ndf3 Rf8=) 29...Bf5 30.Qf5 Kh8 31.Bf7 (worse is 31.Qf7 Nd4 32.Qh5 Nbc6-+ (32...Qe5? 33.Rf8 Rf8 34.Qe5+-)) 31...Nd4 (31...Rf8!? 32.Qh5 Rd7=) 32.Qh5= Rf8 (32...Nd5 33.Rd3 Nb4 34.Rc3=) 33.Rf6+= Rf7 (33...Nf5 34.Rf5 Rd2 35.Rf6+/-) 34.Rf7 Qe8 35.Qg6 (35.Rcc7 Ne6 36.Rce7 Qc6+=) 35...Qe5 36.Rcc7 Ne6 37.Rcd7?? (37.Rce7 Qa1 38.Rf1 Qd4 39.Kh1 Qd2 40.Qe6 Qd4+=) 37...Qc5 (37...Rd7 38.Rd7 Qc5 39.Kf1 Qb5 40.Rd3-+) 38.Kf1?? (better is 38.Rf2 Rd7 39.Qe8 Kh7 40.Qd7=) 38...Rd7-+ 39.Rd7 (39.Qe6 Qc1 (39...Rd2?! 40.Qe8 Kh7 41.Qe4 Kg8 42.Qe8 Kh7 43.Qe4 Kg8 44.Qe8 Kh7=) 40.Kg2 Rf7 41.Qf7 Qd2 42.Kh3 Qd5-+) 39...Qb5 (39...Qb5 40.Rd3 Nc5-+) 0–1. Hjortshoj,Mikkel – Petersen,Peter Birk (2240), 5th Politiken Cup, 1993. (=1.e4 c5 2.Nf3 e6 3.b4 cb4 4.d4 d6 5.Bd3 Nf6 6.a3 Nc6 7.0-0 Be7)

    8.Nbd2 0-0 9.Qe2 Qc7 10.Rb1 d5 11.e5 Nd7 12.ab4 Nb4 13.Ba3 +=.

    8.Nbd2 0-0+= 9.Qe2 Bd7 10.Bb2 +=.

    8.Nbd2 d5 9.e5 Nd7 10.Re1 Nb6 11.Nf1 Nc4 12.Bc4 dc4 13.Re4 b5 (13...0-0 14.ab4 Nb4 15.Rg4+=) 14.Rg4+= g6 15.ab4 Nb4 16.Bg5 Bd7 17.N1d2 Bc6 18.Be7 Qe7 19.Ng5 h5 (19...0-0 20.Nde4 Nd5 21.Qe1+=) 20.Rg3= Qb7 21.Rb1 h4 22.Rg4 Qe7 23.Nde4 Be4 24.Ne4 (worse is 24.Re4 Rh5 25.f4 a5+=) 24...0-0-0 (24...Kf8 25.Nd6 Nd5 26.Nb5+=) 25.c3 Nd3 26.Rb5 Qc7? (better is 26...Qa3+-) 27.Qa4 Rd7 28.Nd6 (better is 28.Nc5 Rd5 29.Qa6 Kd8 30.Ne6 fe6 31.Rd5 ed5 32.Qf6 Kc8 33.Qh8 Qd8 34.Rh4+-) 28...Kd8 29.Re4 f5 30.Re2 Rd6?? (better is 30...h3 31.g3 f4+-) 31.ed6 Qd6 32.Qa7 (32.Qa7 Qc7 33.Rb7+-) 1–0. Deuker,Hans Joachim – Kobs,Stephan, Hessenliga, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 Nc6 7.0-0 Be7)

    8.Qe1 Qb6 9.Be3 d5 10.e5 Ng4 11.c4 bc3 12.Nc3 Ne3 13.Qe3 +=.

    6.a3 d5

    7.e5 Ne4 8.0-0 Nc6 9.Qe1 ba3 10.Be4 de4 11.Qe4 Qd5 12.Qe3 a2 13.Na3 +=.

    7.e5 Ne4 8.0-0 Nc6 9.Qe1 b6 10.ab4 Bb4 11.c3 Be7 12.Be4 de4 13.Qe4 Bb7 14.Qg4 Qd7? (14...Bf8 15.Ba3+=) 15.Be3?? (15.Qg7 Rf8 16.Qh7 0-0-0+-) 15...h5? (15...Bf8 16.Nbd2+=) 16.Qf4?? (better is 16.Qg7!? Rf8 17.Qh7+-) 16...g5 (better is 16...b5!?=) 17.Ng5+/- Bg5 18.Qg5 Ne7 19.f3 0-0-0? (19...b5 20.Nd2+-) 20.Bf2 (better is 20.Ra7 Rdg8 21.Qf4+-) 20...Bf3+/- 21.Bg3 (21.gf3 Rdg8 22.f4 Nd5-/+) 21...Rdg8 22.Qd2 Bc6 23.d5 (23.Rf2=) 23...ed5?? (23...Nd5 24.c4 h4 25.cd5 Bd5-/+ (25...hg3? 26.dc6 gh2 27.Kh1 Qd2 28.Nd2+-)) 24.e6?? (24.Rf7 h4 25.Bf4=) 24...fe6-/+ 25.Qf4 Kb7 26.Rf2 h4! 27.Rfa2 (27.Bh4 Ng6 Double attack (27...Ng6 Decoy)) 27...a5 (27...hg3 28.Ra7 Kc8 29.Rd7 gh2 30.Kh1 Kd7 31.Ra7 Ke8 32.Qd6+-) 28.Bf2 d4 29.Bd4 Rf8 (better is 29...Qd5 30.Qf1 e5 31.Bb6 Rf8-+) 30.Qe5+= Ng6 31.Qg7? (31.Qe1 e5! 32.Be3-+) 31...e5!-+ 32.Qd7 (32.Be5 Ne5 Combination) 32...Bd7 33.Be3 Kc7 34.c4 Nf4 35.Nc3 Rhg8 36.Rb1 The backward pawn on b6 becomes a target 36...Rg6 37.Bf4 ef4 (worse is 37...Rf4 38.Nd5 Kb7 39.Nf4 ef4 40.Rf1+/-) 38.Nd5 Kb7 39.Ra5 f3 40.Ra2 Bh3 41.Nb6 Rb6 (41...Kc6 42.Nd5 fg2 43.Ra6 Kc5 44.Ra5 Kd4 (44...Kc4? 45.Rb4 Kd3 46.Ra3 Kd2 47.Rd4 Kc1 48.Rc3 Kb2 49.Rd2 Kb1 50.Rd1 Kb2 51.Rh3+-) 45.Rd1 Ke4 46.Nc3 Kf4=) 42.Rb6= Kb6 43.gh3 Kc5 44.Kf2 Kc4 45.Ra4 Kd5 46.Rh4 Ke5 47.Ra4 Rf4 48.Ra8 Ke6 49.Rg8 Kf7 50.Rg4 Rf5 51.h4 Kf6 52.h3 Kf7 53.Rg5 Kf6 54.Rf5 Kf5 55.Kf3 ½–½. Kovacs,La (2270) – Gemesi,Andras (2215), HUN–chT Hungary, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 d5)

    7.e5 Ne4 8.0-0 Bd7 9.ab4 Bb4 10.Qe2 Bc6 11.Rd1 Nd7 12.Be4 de4 13.Ng5 0-0 14.Ne4 Nb6 15.Ba3 a5 (15...Ba3 16.Na3 Qh4 17.Nd6+=) 16.Nbc3 (16.Bb4 ab4 17.Ra8 Qa8+=) 16...Qh4 17.Rd3 (17.Bb4 ab4 18.g3 Qh3=) 17...Na4 18.Rh3 (18.Qe3!?=) 18...Nc3-/+ 19.Nc3 (19.Rh4?? Ne2 20.Kf1 Bb5 21.Bb4 Nd4 22.Kg1 ab4-+) 19...Qd4 20.Rd1 Qc5 21.Bb4 ab4 22.Qh5 h6 23.Rg3?? (better 23.Ne2-/+) 23...bc3-+ 24.Qh6 Qe5 25.Rg5 (25.Qe3 Qe3 26.Re3 Rfd8 27.Rd8 Rd8-+) 25...f5 (25...Rfd8 26.Rb1-+ (26.Re5?? Rd1 27.Re1 Re1)) 26.f4 (26.Rg3 Bf3! 27.Rf1 f4-+) 26...Qf6 (26...Qe3 27.Kh1 Rf7 28.Qh4-+) 27.Rg6 (27.Qf6 Rf6 28.Rd3 Ra4-+) 27...Rad8 28.Re1 Rd2 29.Qh5 (29.Rf6 Rg2 (29...gf6?! 30.Qg6 Kh8 31.Qh5 Kg7 32.Re6=) 30.Kf1 gh6 (30...gf6 31.Re6 Rg4 32.Re3+/-) 31.Rfe6 Rh2 32.Rg6 Kh7-+) 29...Qf7 (better 29...Qd4 30.Kh1 Rf6 31.Rg3 Qf4 32.Qg5 Qg5 33.Rg5 Rc2 34.h4-+) 30.g3 (30.Qh6-+) 30...Rg2 31.Kf1 Rh2! 32.Rg7 (32.Qh2 Qg6 Deflection (32...Bb5 Decoy; 32...Qg6 Overloading)) 32...Qg7 (better 32...Kg7!? 33.Qh2 Rh8 34.Qf2-+) 33.Qh2 Be4 0-1. Heinatz,M (1940) - Georgescu,Lena (2255), 119th ch-SUI Women, 2019. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6)

    7.e5 Ne4 8.ab4 Bb4+= 9.Kf1 Nc6 10.h4 h6 11.Bb2 Qb6 12.c3 Be7 13.Qc2 Bd7 14.c4 (better is 14.Ba3!?+=) 14...Nb4-/+ 15.Qb3 Nd3 (15...dc4!? 16.Bc4 a5-+) 16.Qb6+= ab6 17.Ra8 Bd8 18.Ba3 (18.cd5!? Nb2 19.de6 Be6 20.Nfd2 Nd2 21.Nd2-/+) 18...Ndf2-/+ 19.Rg1 dc4 20.Ke2 Bb5 21.Rb8 Ba6 (21...Nd3 22.Ne1-+) 22.Rc1? (better is 22.Ke3+=) 22...Nd3-+ 23.Rc2 b5 24.Bd6 (24.Nbd2 Ng3 25.Kd1 Nf5-+) 24...Kd7 25.Nbd2 Ng3 26.Kd1 Nf5 27.Ke2 (27.Ne4 Ne3 28.Kd2 Nc2 29.Kc2 b4-+) 27...Nf4 (27...Nf4 28.Kd1 Ne3 29.Kc1 Nc2 30.Kc2 Ng2-+) 0–1. Florian – Alster,L, Czechoslovakia, 1959. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 d5)

    7.e5 Nfd7

    8.0-0 Nc6 9.c3 ba3 10.Na3 Be7 11.Qc2 h6 12.Be3 0-0 13.Rfb1 =.

    8.ab4 Bb4 9.Bd2 Be7 10.0-0 Nc6 11.Qe2 0-0 12.Na3 Nb6 13.Rfb1 +=.

    8.c3 bc3 9.Nc3 Nc6 10.0-0 Be7 11.Qc2 h6 12.Bf4 0-0 13.Rfc1 +=.

    8.Nbd2 Qc7 9.0-0 Nc6 10.Qe2 Be7 11.ab4 Nb4 12.Ba3 Qc3 13.Bb4 +=.

    8.Ng5 Qe7 9.ab4 f5 10.b5 Nb6 11.0-0 g6 12.f4 h6 13.Nf3 Bd7 14.Nbd2 g5 15.g4 (15.c4!?+/-) 15...gf4 16.gf5 ef5 17.e6 (better is 17.Kh1!?+=) 17...Be6+= (17...Qe6? 18.Re1 Qe3 19.Kf1+-) 18.Re1 Rg8 19.Kh1 Qg7?? (better is 19...Qf6+=) 20.Re6+- Kd8 21.Qe2 N6d7 (21...Nc8+-) 22.Re8 Kc7 23.Nc4! (worse is 23.Bf5 Bb4+-) 23...Qg4 (23...dc4 24.Qe6 Double attack (24.Qe6 Decoy)) 24.Nfe5 (better is 24.b6 ab6 25.Ra8 dc4 26.Bf5 Qf5 27.Qc4 Bc5 28.Qg8+-) 24...Ne5 (24...Qg1) 25.Ne5 (25.Qe5 Kd7 26.Qe6 Kc7 27.Qc8) 25...Qg1# 0–1. Loscos Vilafranca,Jose Miguel – Calvo,JI, Hermano Adolfo op 8th, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.a3 d5 7.e5 Nfd7)

    8.Ng5 Be7 9.Qg4 f5 10.Qg3 Qb6 11.Be3 0-0 12.ab4 Bb4 13.c3 +=.

    6.Nbd2 Be7

    7.0-0 0-0 8.Re1 Nc6 9.Bb2 a6 10.Qe2 Nd7 11.e5 (11.a3 b5+=) 11...de5-/+ 12.de5 Nc5 13.Nb3 Nd3 14.cd3 Qd5 15.Nfd2 (15.Rac1 a5 16.Ba1 Rd8-/+) 15...b5 16.Nf1 Rd8 17.Red1 Bb7 18.Ne3 Qd7 19.Rac1 Rac8 20.d4 Na7 21.h3 Rc1 22.Rc1 Rc8 23.Rc2 Be4 24.Rc8 Qc8 25.Qe1 Qc6 26.f3 Bd5 27.Nd5 Qd5 28.Qe4 Nc6 29.Qd5 ed5 30.Kf2 a5 31.Ke3 a4 32.Nd2 (better is 32.Na1!?-/+) 32...Na5-+ 33.Bc1 Nc4 (better is 33...b3 34.ab3 a3-+ (34...Nb3?! 35.Nb3 ab3 36.Kd3+=; 34...ab3?! 35.Kd3-/+)) 34.Ke2-/+ Bg5 35.Nc4 (35.f4 Bf4 36.Nc4 Bc1 37.Na5-+) 35...Bc1-+ 36.Na5 b3! 37.ab3 a3 38.b4 a2 39.Nb3 Bb2 0–1. Taylor,Robert Keith (2115) – Kreuzer,Christopher RL (1990), BCF–chT4, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6)

    7.0-0 d5 8.e5 Nfd7 9.a3 Nc6 10.ab4 Nb4 11.Bb5 0-0 12.c3 Nc6 13.Ba3 Ba3 14.Ra3 f6 15.ef6 Qf6 16.h3 Rf7 17.Qb3 Qf4 18.Re1 Nf8 19.Qb2 Ng6 20.c4 Rf8 21.Rae3 Kh8 22.Ba4 Nce7 23.Rc1 Nf5 24.Ree1 Nfh4 25.Re3 Nf5 26.Ree1 Nfh4 27.Re3 Nf5 28.Ree1 ½–½. Wastel,Hans Juergen – Walka,Wolfram, GER Cup B6 corr, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6)

    7.0-0 d5 8.e5 Nfd7 9.Rb1 Nc6 10.Qe2 Nb6 11.Nb3 Na4 12.Qe1 Bd7 13.Bd2 a6 14.Nc1 b5 15.Nb3 Rc8 16.Qc1 h6 17.Qe1 Qb6 18.Qe3 Nc3 19.Ra1 a5 20.Nc5 Nb8 (better is 20...Nd4!? 21.Nd7 Nde2 22.Kh1 Qe3 23.Be3 Kd7=) 21.Bc3= bc3 22.Nd7 Nd7 23.Rfb1 b4 24.a3 0-0 25.ab4 ab4 26.Ra6 Qb7 27.h3 Ra8 28.Qe2 Nb8 29.Ra8 Qa8 30.g3 Nd7 31.Nh2 Nb6 32.Ng4 Qa2 33.Qe1 Ra8 34.Ne3 Nc4 35.Nc4 dc4 36.Be4 Ra7 37.Qc1 Qa5 38.Qf1 Qc7 39.Bf3 b3! 0–1. Sorroche Lupion,Francisco – Vasques,Rui M, BRA TBI–C–XI–XII–P–0034 corr, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6)

    7.0-0 d5 8.e5 Nfd7 9.Re1 Nc6 10.Nf1 b6 11.a3 a5 12.Ng3 Ba6 13.Nh5 g6 (13...0-0 14.Ba6 Ra6 15.Qd3-/+) 14.Nf4 (14.Ba6 Ra6 15.Ng7 Kf8 16.Bh6+=) 14...Bd3 15.Nd3 0-0 16.Bh6 ba3 (16...Re8 17.ab4 Nb4 18.Nb4 Bb4-/+) 17.Bc1? (better is 17.Bf8 Qf8 18.Nf4=) 17...b5-/+ 18.c3 (18.Ba3!? b4 19.Bc1-/+) 18...b4-+ 19.Re2 Nb6 20.Nc5 Nc4 21.g3 (21.Bh6 Bc5 22.dc5 Re8-+) 21...Bc5 22.dc5 Qc7 0–1. Burgess,Otis – McLaughlin,Richard F, USA–ch14 prel, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 e6)

    7.a3 ba3 8.Ba3 0-0 9.c4 e5 10.0-0 (worse 10.de5 de5 11.Ne5 Re8-/+) 10...ed4 11.Nd4 Nc6 12.Nb5 (12.Nc6!? bc6 13.Nf3=) 12...a6 13.Nc3 Re8 14.h3 Ne5 15.Bb1? (15.Nf3 Nd3 16.Qd3 Qc7=+) 15...g5 (15...Qb6 16.Ba2-/+) 16.f4 (16.Nf3!?=+) 16...gf4-/+ 17.Rf4 Nfd7 (better 17...Qb6 18.Rf2 Qe3-/+) 18.Nd5= Bg5 19.Rf5 (better 19.Rf2!? Nf6 20.Nf3 Nd5 21.Ng5 Qg5 22.cd5= (worse 22.Qd5 Bh3 23.Bd3 Be6-/+)) 19...Nb6-/+ 20.Rf1 Nbc4 (20...Nd5!? 21.ed5 Bg4-/+) 21.Nc4= Nc4 22.e5 (22.Qd4 b5 (worse 22...Na3 23.Ra3 Re5 24.Rg3+=) 23.Bc1 Re5=+) 22...Ne5 (22...Re5 23.Qc2 f5 24.Qc4=+) 23.Qh5 (23.Qc2 Ng6 24.Nc7 Bf5 25.Qf5 Be3 26.Kh1 Qc7=) 23...f5 (better 23...h6-/+) 24.Bd6= Qd6 25.Qe8 Kg7 26.Ba2 (26.Bf5? Qd5 27.Rae1 Bf6-/+) 26...b5 27.Qh5 Qg6 (27...h6 28.h4 Bd8 29.Nf4+=) 28.Qe2+= Nc4 (better 28...Qd6!?+=) 29.Bc4+- bc4 30.Qc4 Be6 31.Ra5 Bd8 (31...Rd8!?+-) 32.Qd4+- Bf6 33.Qf6 (33.Nf6!? Qf6 34.Qe3 Kg8+-) 33...Qf6 34.Nf6 Kf6 35.g4 1–0. Rositsan,Boris (2250) – Berlinsky,Vladimir (2380), 10th IBCA Wch Blind, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 e6 5.Bd3 Nf6 6.Nbd2 Be7)

    7.a3 Nc6 8.Bb2 (8.ab4 Nb4 9.Ba3 d5-/+) 8...d5 9.0-0 (9.e5 Nd7-/+) 9...a6 (9...h6 10.ed5 Qd5 11.Bc4-/+) 10.Re1 0-0 11.e5 White threatens to win material: e5xf6 11...Nd7 12.c4 (12.ab4 Bb4 13.Qe2 Ndb8+=) 12...bc3 (12...dc4 13.Bc4 Ndb8 14.ab4 Nb4 15.Re3+=) 13.Bc3 b5 Black has a cramped position. 14.Nb3 (14.Bb4 h6 15.Be7 Ne7+=) 14...Nb6 15.Na5 Qc7 White has an active position (15...Na7 16.Qb1 g6 17.Qb2-/+) 16.Qb1 h6 Covers g5 17.Bb4 (17.Nc6 Qc6 18.Bb4 Bb4 19.ab4 Bd7-/+) 17...Na5 (17...Bb4 18.Bh7 Kh8 19.ab4-/+) 18.Ba5 Qb8 19.Bb6 Qb6 20.a4 (20.Bh7 Kh8 21.Bc2 Bb7-/+) 20...Bd7 (20...b4 21.Qb3-/+) 21.h4 (21.ab5 Bb5 22.Re2 Rfb8-/+) 21...b4 22.a5 (22.Re3 Rfb8-+) 22...Qd8 (22...Qb7 23.g4-+) 23.h5 (23.Qb3 Bb5 (23...Bh4?! 24.Qb4 Be7 25.Qb7+=) 24.Bb5 ab5-/+) 23...Qb8 (23...Qc7 24.g3-+) 24.Re3 (24.Rc1 Qb7-+) 24...Rc8 (24...Bb5 25.Qb2-+) 25.Nd2 (better is 25.Ne1-/+) 25...Bg5 26.f4?? the final mistake, not that it matters anymore (26.Re2-+) 26...Bf4 27.Rf3 (27.Re2 there is nothing better in the position 27...Bb5 28.Bb5 Qb5 29.Qd1-+) 27...Bd2 28.Bh7 Kh8 29.Qd3 Be8 (29...Bc3 and Black can already relax 30.Rd1 Bb5 31.Qe3 Kh7 32.Rf7-+) 30.Bg6 (30.Qd2 a last effort to resist the inevitable 30...Kh7 31.Rb1-+) 30...Bc3 31.Bf7 Ba1 32.Be6 Bh5 (better is 32...Rc1 might be the shorter path 33.Kh2 Bh5 34.Rf4-+) 33.Rh3 Rc3 (33...Rc3 34.Qf5 Rh3 35.gh3 Bd4 36.Kg2 b3 37.Qh5 b2-+) 0–1. Melnikov,Alexander (2020) – Daum,Holger (1695), Koblenz–ch, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 e6 6.Nbd2 Be7)

    7.a3 d5 8.ed5 ed5 9.ab4 Bb4 10.0-0 +=.

    5.Bd3 Bg4

    6.0-0 d5 7.e5 Nfd7 8.e6 Be6 9.Ng5 Nf6 (9...Qb6 10.Be3-/+) 10.Ne6+= fe6 11.Bg5 (11.a3 ba3 12.Na3 Nc6+=) 11...Nc6-/+ 12.c3 g6 13.Qe2 Qd7 14.Nd2 Bg7 15.Nb3 b6 (better is 15...bc3!? 16.Rac1 Qd6 17.Rc3 Nd7-/+) 16.cb4= 0-0 17.b5 Nd8 18.Nd2 Nf7 19.Nf3 Nh5 20.Bd2 Qd6 21.Rae1 Nd8 22.g3 Rf3 (22...Rc8!?=) 23.Qf3+/- Bd4 24.g4 Nf6 25.g5 Nd7 26.Bc4?? (better is 26.Be3 Ne5 27.Qe2 Be3 28.Qe3 Nd3 29.Qd3=) 26...Ne5-+ 27.Re5 Be5 (27...Qe5?! 28.Bf4 Qf5 29.Bd3-/+) 28.Bb3 Nb7 29.Re1 (29.Qe3 Nc5 (29...Bh2?! 30.Kg2+=) 30.f4 Bb2-+) 29...Rf8 (29...Bh2?! 30.Kg2 Rf8 31.Qh3-+) 30.Qg4 (30.Qe3 Bh2 31.Kg2 Nc5-+) 30...Nc5 31.Bc2 (31.h3 Bf4 32.Bf4 Rf4-+) 31...Bh2 32.Kg2 Be5 33.Rh1 Ne4! 34.Be3 (34.Be4 de4 Combination) 34...Bf4 (34...Nc3 35.f4 d4 36.Bb3-+) 35.Be4 Be3 36.Bf3 Bf4 (better is 36...Bc5 37.Qh4 Rf7-+) 37.Qh3-/+ Rf7 38.Bg4 Kh8 39.Be6 Rg7 40.Rd1 d4 (40...Bg5? 41.Rd5 Qc7 42.Qf3+- (worse is 42.Rg5 Qf4 43.Qg4 Qf6+-)) 41.Bb3 e6 42.Qe6 Qe6 43.Be6 Bg5 44.Rd4 Rc7 45.Rd7 Rc5 46.a4 Re5 47.Bb3 Re7 48.Re7 Be7 49.f4 Kg7 50.Kf3 ½–½. Kochetkov,German – Nedobora,Mikhail, It (cat.10), Noyabrsk (Russia), 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.0-0 d5 7.e5 Ne4 8.Re1 Nc6 9.Be4 de4 10.Re4 Bf3 11.gf3 f5 12.ef6 gf6 13.d5 f5 14.Re3 Bg7 15.c3 Rg8 16.Kh1 Qd7 17.a3 (17.Qb3!? Rd8 18.Rd3-+) 17...bc3-+ 18.Nc3 f4 19.Rd3 Bc3 20.Bf4 Ba1 21.dc6 Qh3 22.Bg3 Be5 23.cb7 Rb8 0–1. Neumann,Ulrich – Janning,Henning, IECG, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.0-0 g6 7.e5 (7.h3 Bf3 8.Qf3 Nc6=) 7...de5+= 8.de5 Nd5 9.Bb5 Nc6 10.Bb2 e6 11.h3 Bf3 12.Qf3 Bg7 13.Bc6 bc6 14.Rd1 Qc7 15.Qe4 0-0 16.Nd2 Rfd8 17.Nc4 a5 18.Rd3 Nb6 19.Nd6 (19.Nb6!? Qb6 20.Rad1-/+) 19...Na4-+ 20.Bd4 c5 21.Be3 Nc3 22.Qf3? (better is 22.Rc3 bc3 23.Bg5 Be5 24.Bd8 Bh2 25.Kh1 Rd8 26.Nb5-+) 22...Be5 23.Bc5 (23.Rc3 Bc3 (23...bc3?! 24.Ne4-+; 23...Bd6?! 24.Rc4-+; 23...Qd6?! 24.Rd3 Qd3 25.cd3 Ba1 26.Bc5-+) 24.Nb5 Qe5-+ (24...Ba1?! 25.Nc7 Rac8 26.Na6=)) 23...Nd5 24.c4 Nf4 25.Rad1 Nd3 26.Rd3 Rab8 27.Ne4 Rd3 (27...Rd3 28.Qd3 f5-+) 0–1. Schirmer,Michael – Bauerndistel,Bruno E, GT corr, 1984. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.a3 ba3 7.Ba3 Nc6 8.c3 Consolidates b4 8...e6 (8...g6 9.Bc1=) 9.Nbd2 Be7 10.Qb3 White threatens to win material: Qb3xb7 10...0-0 11.Qb7 Qc8 Black threatens to win material: Qc8xb7 12.Ba6 Qe8 Black has a cramped position 13.Bb5 White threatens to win material: Bb5xc6 13...Rb8 14.Qa6 Rb6 15.Qa4 a6 (15...Bf3 16.gf3 a6 17.Be2=) 16.Be2 (16.Bc6!? is an interesting alternative 16...Qc6 17.Qc6 Rc6 18.e5+=) 16...d5 17.e5 White wins space 17...Ne4 18.Ne4 de4 19.Nd2 Be2 20.Ke2 Ba3 21.Qa3 f6 22.ef6 (22.Ne4? is worthless because of 22...Qg6 23.Kd3 Rd8-+ (23...Qg2?! 24.Nf6 Rf6 25.ef6=)) 22...Qh5 23.f3 ef3 24.gf3 Qb5 (24...gf6 Less advisable is 25.Rhg1 Kf7 26.Nc4 Qh2 27.Kf1+/-) 25.Kf2 Qd3 Black threatens to win material: Qd3xd2 (25...Rf6 26.Ne4 Rf4 27.Nc5=) 26.Qc1 (better is 26.Ra2 and White can hope to live 26...Rf6 27.Qc5+=) 26...Rf6+= 27.Re1 Rb8 (27...Rh6 28.Kg1+=) 28.Re3= Qb5 29.Rb1 Qh5 30.Rb8 Nb8 31.Nf1 Rg6 32.Re4 Qh3 33.Qf4 Nd7 34.Ne3 Rf6 (34...a5!?= has some apparent merit) 35.Qg3+= Qg3 36.hg3 a5 (36...Kf7 37.Nc4+=) 37.Ng4 White threatens to win material: Ng4xf6 37...Rf8 38.Re6 Ra8 39.Re2 Nb6 40.Ne3 a4 (40...Rc8 41.Rc2 Nc4 42.Nc4 Rc4 43.Ke2+/-) 41.Ra2 (41.c4 Nc8+/-) 41...Rc8+= Black threatens to win material: Rc8xc3 42.Ra3 Kf7 43.Ke2?? not a good decision, because now the opponent is right back in the game (better is 43.c4 and White hangs on 43...Nc4 44.Ra4 Ne3 45.Ke3+=) 43...Re8-/+ 44.Ra2 (44.Ra1 Nd5 45.c4 Ne3-/+ (45...Re3?! 46.Kf2+=)) 44...Nc4 (better is 44...Nd5! 45.Kd2 Ne3-+) 45.Kd3-/+ Ne3 (45...Re3?! 46.Kc4 Rf3 47.g4=) 46.Ra4 Black wins a piece. 46...Nf1 47.Ra7 Kg8 (47...Kf8 48.d5-/+) 48.d5+= Ng3 49.c4 h5 50.d6 Nf5 Black threatens to win material: Nf5xd6 (50...h4 51.c5+=) 51.c5 White has a new strong pawn: d6 51...Rd8 52.Ke4 Nd6 53.cd6 Rd6 A rook endgame occured. . 54.Kf5 Kh7 55.Kg5 White threatens to win material: Kg5xh5 55...Rd5 56.Kh4 Kh6 57.Ra6 g6 Black has a new protected passed pawn: h5 58.Rb6 Ra5 59.Rc6 Rf5 Black threatens to win material: Rf5xf3 60.Kg3 Kg5 61.f4 Kh6 62.Ra6 Rb5 63.Rc6 Rb3 64.Kg2 Rb5 65.Kg3 Twofold repetition 65...Kg7 66.Ra6 Kf7 67.Rc6 Rb3 68.Kg2 h4 69.Ra6 Re3 70.Rb6 Re6 (70...Rg3 71.Kf2+=) 71.Rb5 Rf6 72.Kf3 Rf5 Black threatens to win material: Rf5xb5 73.Rb7 Kf6 74.Rb6 Kf7 ½–½. Hoogendoorn,Joost (2355) – Mellegers,Joost P (2250), Dieren op, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.a3 ba3 7.Na3 e5 8.d5 Nbd7 9.Nc4 Nc5 10.h3 Bh5 11.Qe2 Be7 12.0-0 0-0 13.g4 Bg6 14.Ncd2 Qd7 15.Nh2 Nd3 16.cd3 Rfc8 17.Nc4 Ne4! 18.de4 Qb5 19.f4 ef4 (19...Qc4?! 20.Qc4 Rc4 21.f5 Re4 22.fg6 hg6 23.Nf3-/+; 19...Rc4 20.f5 Bf5 21.gf5 Qc5 22.Kh1=) 20.Bf4 Qc4 21.Qc4 Rc4 22.Rfc1 Rc1 23.Rc1 Bf6 (23...Be4?! 24.Re1 Bg5 25.Bg5 Bd5 26.Rd1-/+) 24.Re1 Bh4 25.Re2 Re8 26.Bd6 Re4 (26...Be4 27.Nf3 Bf6 28.Nd2 Bd4 29.Kh2 Be5 30.Be5 Bd5 31.Re3+=) 27.Rd2 (27.Kf1 Re2 28.Ke2-+) 27...Re1 28.Nf1 Bg5 29.Ra2 (29.Rf2 Be3 30.Kg2 Be4 31.Kg3 Bf2 32.Kf2-+) 29...Be3 30.Kh2 Rf1 31.Re2 Rf2 32.Rf2 Bf2 33.Bb8 a6 34.d6 Bh4 (better is 34...Kf8 35.Kg2 Bc5 36.h4-+) 35.Bc7 b5 36.Kg2 (36.Ba5 Be4 37.d7 b4 38.Bb4 Bc6-+) 36...b4 37.d7 Be4 38.Kf1 b3 39.Be5 Bd3 40.Kg2 Bb5 41.Kf3 Bd7 42.Ke4 a5 43.Kd3 a4 44.Kc3 Be7 45.h4 (45.Bd4 Be6 46.h4 a3-+) 45...Bg4 46.Kc4 Be6 47.Kb5 a3 0–1. Sarihan,Sefa – Newton,Lynn, OP–2006–0-00102, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.a3 ba3 7.Nbd2 Nc6 8.d5 Ne5 9.Ba3 Nd3 10.cd3 g6 11.0-0 Bg7 12.h3 Bd7 13.Qb3 b5 14.d4 0-0 15.e5 Ne8 16.Rfe1 a5 17.Qa2 Bc8 18.Bb4 a4 19.Ne4 Bb7 20.Rac1 Ra6 21.Qe2 Qa8 22.Qb5 a3 23.ed6 ed6 24.Ra1 a2 25.Qd3 Bd5 26.Nc3 Nf6 27.Nd5 Nd5 28.Bd2 Rb8 29.Qc2 Ra4 30.Kh2 h6 31.Re2 Qa6 32.Ree1 Kh7 33.Qe4 Qc6 34.Rec1 Qa8 35.Qc2 f5 36.Re1 Rc8 37.Qb2 Rc7 38.Rec1 Rb7 39.Qc2 Nf6 (39...Rba7 40.Qd3-+) 40.Bf4-/+ Ne4 41.Be3 Ra3 42.Nd2 d5 43.g3 Ng3! 44.fg3 (44.fg3 Re3 Deflection (44...Re3 Overloading); 44.Kg3 Bd4 Combination) 44...Re3 45.Ra2 Re2 46.Kh1 Qe8 47.Qd3 Rb4 (47...Re3 48.Qf1 Rg3 49.Kh2-+) 48.Rc7 Re3 49.Qa6 Re1 50.Nf1 Rbb1 (50...Rd4?! 51.Qf6 Rf1 52.Kh2 Rh1 53.Kh1 Qe1 54.Kg2 Rd2 55.Rd2 Qd2 56.Kf3 Qd3 57.Kf2 Qc2 58.Rc2 Bf6 59.Rc7 Bg7 60.Ke2+=) 51.Rf2 Rf1! (51...Rf1 52.Qf1 Rf1 53.Rf1 h5-+) 0–1. Rosenheim,Klaus (2405) – Pilalis,Christos (2485), EU–ch64 sf01 corr, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.a3 ba3 7.Nbd2 e6 8.c4 e5 9.Qb3 ed4 10.Qb7 Nbd7 11.Nd4 Rb8 12.Qa7 (12.Qc6=) 12...Qc8 (better is 12...Ra8!? 13.Qb7 Nc5 14.Qb5 Nfd7+=) 13.Nb5 (13.Ra3 d5 14.Qa4 de4 15.Be4 Ba3 (worse is 15...Ne4 16.Re3+/-) 16.Ba3 Qc7+= (16...Ne4? 17.Ne4 Rb1 18.Kd2+-)) 13...Nc5 14.Bc2 Rb7 15.Qa3 Be7 16.Bb2 0-0? (better is 16...Rb6+/-) 17.Nd4?? (better is 17.Bf6 Bf6 18.Nd6+-) 17...d5 18.Qc3? (18.ed5 Nce4 19.Qe3 Nd2 20.Kd2 Rb2 21.Nc6-+) 18...Nce4-+ (18...de4?! 19.0-0+=) 19.Be4? (19.Ne4 Bb4 20.Nf6 gf6 21.0-0 Bc3 22.Bc3 Qc4 23.Ra3-+) 19...Ne4 (19...de4?! 20.h3 Bb4 21.Qc2+=) 20.Qc2 Nd2 21.Qd2 (21.h3 Bh5 22.Bc3-+) 21...Bb4 (21...dc4?! 22.0-0-+) 22.Bc3 Re8 (22...Re8 23.Ne2 Re2 24.Kf1 Rd2 25.Bd2 Bd2-+) 0–1. Go,Benjamin (2175) – Rijnaarts,Sjef (2360), Amsterdam NED, Science Park Open–A, 2013. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.a3 Qa5 7.Nbd2 Nc6 8.Bb2 =.

    6.a3 e5 7.h3 Bh5 8.d5 ba3 9.Na3 Nbd7 10.Be3 Be7 11.Nc4 0-0 12.0-0 b6 13.Ra6 Qc8 14.Ncd2 Ne8 15.g4 Bg6 16.Qa1 Qb7 17.Rb1 h5 (17...Nc7 18.Ra5+=) 18.Bb6= Nb6 19.Rbb6 Qd7 20.Bb5 Qd8 21.Rb7 Nc7 22.Raa7 Ra7 23.Qa7 Nb5 24.Rb5 hg4 25.hg4 Bg5 26.Qa5 Qc8 27.Ng5 Qg4 28.Kf1 Qg5 29.Rb3 (29.Qb4 f5 30.Rb8 Be8 31.ef5 Qf5+=) 29...Qh4 (29...f5 30.Rf3-/+) 30.f3 (better is 30.Qb4!?=) 30...f5-/+ 31.ef5 Bf5 32.Qc3 (better is 32.Qc7!?-/+) 32...Rc8-+ 33.Qe3 Rc2 34.Kg2?? Qh3 (34...Qh3 35.Kg1 Rc1 36.Qe1 Qg3 37.Kh1 Re1 38.Nf1 Rf1) 0–1. Duque,Juan Camilo (2005) – Becerra,Juan David (2110), COL–ch U26 Bogota, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.Bb2 Nc6 7.Nbd2 (7.d5 Nb8=) 7...e5 (7...e6 8.0-0+=) 8.Qc1 (8.d5!? Nb8 9.h3=) 8...ed4+= 9.Nd4 Nd4 (9...d5 10.Nc6 bc6 11.0-0+=) 10.Bd4= Be7 11.0-0 0-0 12.f3 Be6 13.Rf2 d5 14.Qb2 a5 15.Re2 a4 16.Rf1 a3 17.Qa1 Rc8 18.Kh1 b6 19.Rfe1 Bc5 20.Bf6 Qf6 21.e5 (better is 21.Qf6!? gf6 22.ed5 Bd5 23.Nb3-/+) 21...Qh6 22.Nb3 Be7 23.Nd4 Bh4 (23...Qh5 24.Rb1-/+) 24.Ne6 (better is 24.Rb1!?-/+) 24...fe6-+ 25.Rf1 Rf4 26.Qc1 Rcf8 (26...Bg3 27.h3-+) 27.Kg1 0–1. Mereu,Matteo (1950) – Gromovs,Sergejs (2365), Laconi Perla del Sarcidano op 3rd, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.Bb2 d5 7.Nbd2 +=.

    6.Bb2 e6 7.c4 bc3 8.Nc3 (8.Nc3 Nc6 Combination; 8.Bc3 d5 Combination) 8...Nc6 9.d5 Ne5 (9...ed5 10.ed5 Qe7 11.Be2 Bf3 12.gf3-/+) 10.Qa4+= Ned7 11.e5 Bf3 (11...de5 12.Ne5 Bf5 13.Nd7 Nd7 14.Bf5 ef5 15.0-0=) 12.ef6+= Bh5 13.de6 fe6 14.Ne4 Kf7? (14...Rg8!?+=) 15.g4! Ne5 (15...Bg4 16.Ng5 Double attack (16.Ng5 Decoy)) 16.Be5 de5 17.Rd1 Bg6 18.Ng5 (18.Ba6 Qb6 19.Qd7 Kg8 20.Bb7+/- (20.Qb7?! Rb8 21.Qb6 Rb6+=)) 18...Kf6+= 19.Bg6 Qe7 20.Nh7 Kg6 21.Qe4 Kf7 22.Rb1 Rc8? (22...b6 23.Qa8 Qb4 24.Ke2 Qc4 25.Kf3 Qf4 26.Kg2 Qg4 27.Kf1 Qc4 28.Kg1 Qg4 29.Qg2 Qg2 30.Kg2 Rh7 31.Rhd1+=) 23.Rb7 (worse is 23.Qb7 Qb7 24.Rb7 Be7 25.Ng5 Ke8 26.Ne6 Rc1 27.Ke2 Rh1 28.Ng7 Kf8-+; 23.Nf8?! Rhf8 24.Rb7 Rc7 25.Rc7 Qc7=) 23...Rc7 24.Qf3 Kg6 25.Rc7 Qc7 26.Nf8 Rf8 27.Qf8 Qc1 28.Ke2 Qh1 29.Qe8 Kf6 30.Qf8 (30.Qd8 Kg6 31.Qd3 e4+=) 30...Kg6= 31.Qe8 Kf6 32.g5 Kg5 33.Qe7 Kf5 (33...Kh5!? 34.Qf7 g6 35.Qh7 Kg5 36.Qa7 Kf6=) 34.Qf7+/- (34.Qg7?! Qe4 35.Kf1 Qb1 36.Kg2 Qa2 37.Qf8 Ke4 38.Qf3 Kd4 39.Qe3 Kd5 40.Qd3 Kc6 41.Qc3 Kd7 42.Qe5 a5 43.Qb5 Kd6 44.Qb6 Kd5 45.Qb7 Ke5 46.Qc7 Kf6 47.Qf4 Kg6 48.Qg4 Kf7 49.Qf4 Ke7 50.Qc7 Kf8 51.Qd6 Kg7 52.Qe5 Kg6 53.Qe4 Kh6 54.Qe3 Kh7 55.Qd3 Kg7 56.Qd4 Kg8 57.Qg4 Kf8 58.Qf4 Ke8 59.Qb8 Ke7 60.Qc7 Kf6 61.Qf4 Ke7 62.Qc7=) 34...Kg5 35.Qg7 Kf5 36.Qf7 Kg5 37.Qg7 Kf5 38.Qh7 Kf6 39.Qh4 Kf7 40.Qh5 Ke7 41.Qe5 Qg2 42.Qc7 Kf6 43.Qd8 Kf7 44.Qd7 Kf6 45.Qd4 e5 46.Qd6 Kf5 47.Qf8 Ke6 48.Qe8 Kf6 49.Qd8 Ke6 50.Qe8 Kf6 51.Qd8 Kf5 (better is 51...Ke6!?=) 52.Qc8 Kf6 53.Qh8 Ke6 54.Qh6 Kd5 55.Qd2 Ke6 56.Qh6 Kd5 57.h3 Qe4 58.Qe3 Qh4 59.Qd3 Kc5 60.Qc2 Kd6 61.Qg6 Kd5 62.Qg4 Qh7 63.h4 Kd6 64.a4 (better is 64.Qb4 Kd5 65.Ke3+/-) 64...Ke7? (64...Qc2 65.Ke1+/-) 65.h5 (65.Qb4 Ke6 66.Qc4 Kd6 67.Qd3 Qd3 68.Kd3+-) 65...Kf6 66.Kf3 Qb1 67.Kg2 Qh7 68.Kg3 Qb1 69.Qh4 (69.Qf3 Kg7+-) 69...Ke6 70.Qc4 Kf6 71.Qh4 Ke6 72.Qg4 Kf6 73.Kg2 Qh7 74.Qf3 Kg5 75.Qg3 Kf6 76.Qh4 Kf7 77.Kg3 Qd3 78.f3 Qf1 79.Kg4 (better is 79.Qe4 Qg1 80.Kh3+-) 79...Qa6+= 80.Kg3 Qf1 81.Qe4 Qg1 82.Kh4 Kf6 83.Qc6 Kf5 84.Qd7 Kf6 85.Qd6 Kf5 86.Qf8 Ke6 87.Qh6 (better is 87.h6!?+-) 87...Kf5+/- 88.Qh7 Kf6 89.Qh8 Kf5 90.Qf8 Ke6 91.h6 e4? (better is 91...Qh2 92.Kg5 Qg2 93.Kh5 Qh2 94.Kg6 Qg1 95.Kh7 Qf2+-) 92.Qe8 Kf6 93.Qe4?? (better is 93.Qc6 Kf5 94.Qe4 (94.fe4 Kf4 95.Qc7 Ke4+-) 94...Kf6 95.Qc6 Kf7 96.Qd7 Kf6 97.Qd6 Kf7 98.Qc7 Kg8 99.Qd7+-) 93...Qg5?? (better is 93...Qh2 94.Kg4 Qg2 95.Kh4 Qh2 96.Kg4 Qg2 97.Kh4 Qh2=) 94.Kh3+- Qc1 (better is 94...Qh6 95.Qh4 Qh4 96.Kh4 Kf5+-) 95.Qd4 Kg6 96.Kg3 (96.Qg7 Kh5 97.Qa7 Qh1 98.Kg3 Qh4 99.Kg2 Qg5 100.Kf1 Qc1 101.Ke2 Qb2 102.Ke3 Qc3 103.Ke4 Qc2 104.Ke5 Qe2 105.Kd6 Qd3 106.Kc7 Qh7 107.Kb6 Qg6 108.Ka5 Qf5 109.Kb4 Qb1 110.Kc4 Qf1 111.Kd5 Qf3 112.Kc4 Qf1 113.Kb4 Qf4 114.Kc3 Qc1 115.Kd3 Qd1 116.Ke4 Qg4 117.Ke5 Qg5 118.Ke6 Qh6 119.Kd5 Qg5 120.Kc4 Qc1 121.Kb5 Qb2 122.Kc6 Qf6 123.Kb7 Qf3 124.Kc8 Qf8 125.Kc7 Qe7 126.Kb6 Qe3 127.Ka6 Qd3 128.Ka5 Qc3 129.Kb6 Qe3 130.Ka6 Qd3 131.Kb6 Qe3=) 96...Qe1 97.Qf2 (97.Kf4!? Qh4 98.Ke3 Qe1 99.Kd3 Qd1 100.Ke4 Qe2 101.Kf4 Qh2 102.Ke3 Qh6 103.Qf4 Qh1+-) 97...Qa5 98.Qc2 Kh6 99.Qc6 Kg7 100.Kf4 Qd2 101.Ke4 a5 102.Qc7 Kh8 103.Qe5 Kh7 104.Qh5 Kg7 105.Qe5 Kh7 106.Qc7 Kh8 107.Qc4 Kh7 (107...Qe1!? 108.Kf5 Qd1+-) 108.Qd3 Qb4 (108...Qe1 109.Kf5 Qg3 110.Qe4+-) 109.Kd5 Kh6 (109...Kg8 110.Qg6 Kf8 111.Qd6 Qd6 112.Kd6+-) 110.Qe3 Kh5 111.Qe5 (111.Qe5 Kh6 112.Qd6 Qd6 113.Kd6+-) 1–0. Tesar,Karol – Kavalek,Lubomir, CSR–ch sf Zlin, 1958. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.Bb2 e6 7.Nbd2 Nc6 8.h3 Bh5 9.g4 (9.c4 bc3 10.Bc3 d5-/+) 9...Bg6-/+ 10.Qe2 (10.g5!? Nh5 11.d5 ed5 12.ed5 Qe7 13.Be2-/+) 10...d5 11.e5 Bd3 12.Qd3 Nd7 13.h4 Be7 14.g5 Qc7 15.c4 bc3! 16.Bc3 (16.Bc3 Nb4 Decoy; 16.Qc3 h6 Combination) 16...Rc8 17.Rb1 a6 18.Ke2 b5 19.Rhc1 Nb6 (19...Qd8 20.a4 b4 21.Bb2-/+) 20.Ba5-/+ Qb7 (20...Na5 21.Rc7 Rc7 22.Rb5 ab5 23.Qb5 Nc6 24.Qb6=) 21.Bb6 Qb6 22.Nb3 0-0 23.Nc5? (better 23.h5-+) 23...Nd4! 24.Nd4 (24.Qd4 Rc5 Discovered attack (24...Rc5 Remove defender); 24.Nd4 Rc5 Discovered attack (24...Rc5 Remove defender)) 24...Bc5 25.Rd1 (25.Qc3 f6 (worse 25...Bd4 26.Qc8 Bf2 27.Qc3-+) 26.Nb3 Bf2 27.Qc8 Rc8 28.Rc8 Kf7 29.ef6 Qe3 30.Kd1 gf6-+) 25...Bd4 26.Qd4 Rc2 27.Kf1 (27.Kf3 Qd4 28.Rd4 Ra2-+) 27...Qd4 28.Rd4 Ra2 29.Rc1 a5 30.Rc7 b4 31.Rd1 (31.Rb7 h5-+) 31...Rb8 (31...f6 32.ef6 gf6 33.g6 hg6 34.Re7-+) 32.h5 (32.Rd3 a4 33.Rd4 b3-+) 32...b3 33.Rdc1 Rf8 (33...h6!? 34.Rc8 Rc8 35.Rc8 Kh7 36.Rb8-+) 34.Rb7 a4 35.Rb1 Rd8 36.Kg2 Rc2 (36...Re2 37.Ra1 Re5 38.Ra4 Rg5 39.Kf1 Rh5 40.Rb3-+) 37.Ra7 Rc4 38.Kg3 Kf8 39.f3 (39.h6 gh6 40.gh6 Rb8-+) 39...d4 40.Ra6 (40.g6 fg6 41.hg6 hg6-+) 40...d3 41.Rh1 d2 42.g6 fg6 43.hg6 (43.Rd1 Rc1 44.Rd2 Rd2 45.hg6 hg6 46.Ra4 Rg1 47.Kh3 Rh1 48.Kg3 b2 49.Ra8 Ke7-+) 43...h6 44.Rd1 Rc1 45.Rd2 Rd2 46.Ra8 Ke7 47.Ra4 b2 48.Ra7 Rd7 (48...Rd7 49.Ra5 b1Q 50.Ra2 Qg6 51.Kh3 Rg1 52.Rg2 Qg2 53.Kh4 Rh1) 0-1. Koshelev,V (1725) - Khripachenko,Alexander (1835), 23rd Voronezh FIDE Open, 2019. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.Bb2 e6 7.Nbd2 Nbd7 8.h3 Bf3 9.Qf3 e5 (9...Be7 10.0-0=) 10.Qg3 ed4 11.Nf3 (11.Bd4 Nb8+=) 11...d5 (11...Qe7 12.0-0=) 12.e5 (12.ed5!? Qe7 13.Kd1=) 12...Ne4+= 13.Be4 de4 14.Nd4 Qc7 (better is 14...Nc5-/+) 15.e6+/- Ne5? (better is 15...Qg3 16.ed7 Kd7 17.fg3 f6+/-) 16.Nb5+- (16.Nb5 Qc5 17.Qe5 (17.Be5?! Qb5 18.ef7 Kf7=) 17...Qe5 18.Be5+-) 1–0. Corden,Martyn J – Burbridge,M, BCF–ch U16 Oxford, 1967. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.Bb2 g6 7.Nbd2 Bg7 8.h3 Bf3 9.Nf3 0-0 10.g4 (10.a3 ba3 11.Ra3 Nc6+=) 10...Qa5 11.0-0 Nbd7 (11...d5 12.e5 Nfd7 13.a3+=) 12.a3 ba3 13.Ra3 Qd8 14.e5 (14.g5!? Nh5 15.Qd2=) 14...Nd5+= 15.Be4 Nf4 16.Kh2 (16.Bc1 de5 17.Re1 Nh3 18.Kg2 Nf4 19.Bf4 ef4 20.Bb7-/+) 16...d5-+ 17.Bd3 e6 (17...f6 18.Re1-+) 18.Bc1 (better is 18.g5-/+) 18...Qe7 (better is 18...Nd3 19.Qd3 f6 20.ef6 Nf6-/+) 19.Rb3 Nd3 20.Qd3 Rfe8 21.Rb7 Reb8 22.Ba3 Qd8 23.Rfb1 Rb7 24.Rb7 Bf8 (24...Qc8!? 25.Rb2 Nb6=) 25.Bf8+= Nf8 26.Qd2 Qc8 27.Re7 Qd8 28.Rb7 Qc8 29.Rb5 a5 30.Rc5 Qd8 31.Qf4 (31.Rc3 Qe7=) 31...a4+= 32.Ng5 (32.Rc3 a3 33.Qc1 Qa5-/+) 32...Qd7 33.Qc1 a3 34.Rc3 a2 35.Qa1 Qb7 (35...Qb7 36.Rb3 Qc7-+) 0–1. Mollov,Peter – Leontiev,Hristo, Baharov Memorial op, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.c3 bc3 7.Nc3= Nc6 8.Bb5 (8.Be3 Qa5 9.Qb3 Rc8+=) 8...a6 (8...Rc8 9.0-0 a6 10.Bc6 Rc6 11.Qd3=+) 9.Bc6= bc6 10.0-0 g6 11.Qd3 Bg7 12.e5 de5 13.Ne5 Bf5 14.Qc4 0-0 15.Nc6 Rc8 16.Qa6? (better 16.Qc5 Rc6 17.Qc6 Qd4 18.Bb2-/+) 16...Qd6-+ 17.d5 (better 17.Ne7 Qe7 18.Ba3-+) 17...Nd5?? (better 17...Ng4 18.g3 Bc3-+) 18.Nd5= Rc6 19.Ne7?? (better 19.Qc6! Ba1 20.Qd6 ed6 21.Ne7 Kh8 22.Nf5 gf5 23.Bh6+=) 19...Qe7-+ 20.Qc6 Ba1 0–1. Campos Perilla,FS – Guerrero Ortega,JN, Campeonato Nacional Por Rango de ELOs M, 2019. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 Bg4)

    6.c3 Bf3!? 7.Qf3 Nc6=+.

    6.c4 Bf3 7.Qf3 e5 8.d5 Nbd7 9.0-0 Be7 10.Qg3 0-0 11.f4 (better is 11.a3!? b3 12.Be3+=) 11...ef4 12.Bf4 (better is 12.Qf4 Nc5 13.Bc2 Nfe4 14.Be4-+) 12...Nh5-+ 13.Qh3 Nf4 14.Rf4 Qb6 15.Kf1 (15.Rf2 Ne5 16.Na3 ba3-+) 15...Ne5 (15...Qd4!? 16.Nc3 bc3 17.Rd1-+) 16.Nd2 Qd4 (16...Qd4 17.Nb3 Qd3 18.Qd3 Nd3-+) 0–1. Fehlbecker,Hans – Yermakov,O.M, WT/M2058 corr, 1971. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    6.Nbd2 Nc6 7.Nb3 e6 8.0-0 a5 9.h3 Bf3 10.Qf3 a4 11.d5 (11.Nd2!? Nd4 12.Qg3-/+) 11...Ne5-+ (11...ab3?! 12.dc6 Ra2 13.Bg5 Ra1 14.Ra1-/+) 12.Bb5 Nfd7 13.Qe3 ab3 14.Qb3 Be7 15.de6 fe6 16.Qe6 Ra5 17.Bc4?? (17.Be2 Nc5 18.Qd5 Bf6-+) 17...Nc4 (better is 17...Nf8 18.Bb5 Rb5-+) 18.Qc4 Ne5 (better is 18...d5!? 19.ed5 Nb6-+) 19.Qb4-/+ 0-0 (19...Qc7 20.Be3 b5 21.a4-/+) 20.Qb7 Bh4 (20...Nc4 21.Rb1-/+) 21.Bb2 Qf6 (21...Qa8!? 22.Qb3 Kh8+=) 22.Qb6 Rc5?? (better is 22...Raa8 23.Qb3 Qf7 24.Be5 de5=) 23.a4?? (better is 23.f4 Qd8 24.Qd8 Rd8 25.fe5 Rc2 26.Rab1+-) 23...Bf2-+ 24.Rf2?? (better is 24.Kh1 Rc4 25.Qb3-/+) 24...Qf2 25.Kh1 Rc2 26.Qf2 Rff2 27.Be5 de5 28.Rg1 Ra2 0–1. Crespo Martin,Jesus – Aragon Clerigo,Alberto, Valladolid CC Social, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.Nbd2 Nc6 7.d5 Ne5 =.

    6.Nbd2 Nc6 7.h3 Bh5 (7...Bf3 8.Nf3 e6 9.Qe2+=) 8.g4 Bg6 9.d5 Nb8 (9...Ne5 10.Ne5 de5 11.h4=) 10.Nd4 Nbd7 11.f4 h6 12.h4 Nc5 Increases the pressure on e4 13.f5 Bh7 14.g5 Nfd7 15.g6 fg6 16.Ne6 Qc8 17.Bb2 Ne6 (17...Nf6!?+=) 18.fe6= Nf6 (18...Nc5 19.Rf1 Kd8 20.Qf3+=) 19.Bb5 (19.Bd4!?+=) 19...Kd8= 20.Bd4 g5 21.Bd3 gh4 22.a3 Ne4?? (22...ba3 23.Ra3 b6+=) 23.Ne4+- Be4 24.Be4 Qc4 25.Qd3 Qd3 26.Bd3 (worse is 26.cd3 ba3 27.Ra3 b5+-) 26...ba3 27.Ra3 (worse is 27.Rh4 Kc7+-) 27...b6 (27...Kc7 28.Rc3 Kd8+-) 28.Bb6! Kc8 (28...ab6 29.Ra6 Double attack (29.Ra8 Pinning; 29.Ra8 Deflection; 29.Ra6 Decoy)) 29.Ba6 Kb8 30.Bd8 1–0. Taddei,Benoit (2050) – Renault,Fabien (1920), FRA–chT U18 France, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.h3 Bf3 7.Qf3 e5 8.Bb2 Nc6 9.d5 Nb8 10.0-0 Be7 11.Nd2 0-0 12.Kh1 Nbd7 13.Nb3 Rc8 14.Qe2 Nb6 15.a4 Nbd7 16.f4 ef4 17.Rf4 Ne5 18.Nd4 Re8 19.Bb5 Nfd7 20.Rf7? (better is 20.Qe1+=) 20...Nf7?? (20...Kf7 21.Ne6 Qa5 22.Bd7 Nd7=) 21.Ne6+/- Qb6? (21...Qa5!? 22.Bd7 Ne5 23.Be5 de5+-) 22.Bd7 Ne5 (22...Qa6 23.Qg4 g6 24.Be8+- (24.Bc8 Rc8 25.Qf4 g5+-)) 23.Be8 (23.a5!? Qa6 24.Bb5 Rc2 25.Ba6 Re2 26.Be2 Rc8+-) 23...Re8 24.Be5 de5 25.Qh5 Rc8 26.Rf1 (26.Qe5 Bf6 27.Qf5 Ba1=) 26...Kh8 (26...Bf6 27.Ng5 Qa6 28.Qh7 Kf8 29.Ne6 Ke8 30.Ng7 Kd7 31.Qf5 Kc7 32.Qf6 Qf6 33.Rf6 a6+-) 27.Qf7 Rg8 28.Qe7 1–0. Chen,Mingson (2035) – Raingruber,Robert (1910), CalChess Class–ch op, 1977. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    6.0-0 Nc6

    7.Bb2 Qb6 8.Nbd2 e6 9.Nc4 Qc7 10.Ne3 Bf3 11.Qf3 Be7 12.Rfe1 (12.d5 ed5 13.Nd5 Nd5 14.ed5 Ne5 15.Bb5 Kf8=) 12...0-0 13.Qg3 Rad8 14.Rad1 g6 15.d5 Nh5 (15...Ne5 16.Qh3 ed5 17.ed5=) 16.Qg4 (16.Qh3 Ne5 17.de6 Nf4 18.ef7 Rf7+=) 16...Ne5= 17.Be5 de5 18.de6 Nf4 19.ef7 Kh8 (19...Kf7!? 20.Nd5 Nd5 21.ed5 Kg7=) 20.Bc4+= Bc5 21.Bb3 Bd4 22.g3 (22.Qg5 Nh5+/-) 22...Nh5+= 23.Qg5 Rd6? (23...Qd6 24.Nf5 gf5 25.Qh5 fe4 26.Qf5+/-) 24.Ng4 (24.Nf5!? Rdd8 25.Nd4 ed4+-) 24...Qd8 25.Qh6 (25.Qd8!? Rfd8 26.Kf1+/-) 25...Ng7 26.Rd3 g5 (26...Qe7 27.Rb1=) 27.Qh3+/- h5 28.Red1 (better is 28.Kg2!?+/-) 28...Qd7= 29.Ne5 (29.Ne5 Qh3 30.Rd4+-) 1–0. Krstic,Slobodan1 (2140) – Wright,Jim, Melbourne CC–ch, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    7.Bb2 d5 8.e5 Ne4 9.h3 +=.

    7.Bb2 e6 8.Nbd2 (8.d5 Ne5 9.Bb5 Ned7+=) 8...Be7 (8...d5 9.Kh1-/+) 9.Qe1? (better is 9.d5 ed5 10.ed5 Nd5 11.Bg7+=) 9...Bh5?? allows the opponent back into the game (9...Bf3 10.Nf3 d5 11.e5-/+) 10.Kh1?? White is ruining his position (10.d5 ed5 11.ed5 Nd5 12.Bg7=) 10...d5 11.Ne5 Bg6 12.Ng6 (12.Bb5!? Qc8 13.ed5 Nd5 14.Qd1-/+) 12...hg6-+ (12...fg6?! 13.ed5 ed5 14.f4-/+) 13.ed5 (13.h3 de4 14.Ne4 Qd7-+ (14...Nd4?! 15.Rd1 0-0 16.Nf6 Bf6 17.Bg6+=)) 13...Qd5 (13...ed5?! 14.Nf3-/+) 14.Nf3 (14.Be4 Qd6 15.h3-+) 14...0-0-0 (14...Bd6 15.Qe2 Bh2 16.Nh2-+) 15.c4 (15.Kg1 g5 16.Ne5 Ne5 17.de5 Nd7-/+) 15...bc3! Black is still ahead 16.Qc3 (16.Bc3 Bd6 Combination; 16.Qc3 Bd6 Combination) 16...Bb4 (16...Kb8 17.Qb3-/+) 17.Qc2 (17.Qb3 Ng4 18.Qd5 ed5-/+) 17...Bd6 (better is 17...Ng4 18.Qd1 Nh2 19.Nh2 Bd6-+) 18.h3?? White crumbles in face of a dire situation (better is 18.Qe2-/+) 18...Rh3!!-+ Decoy: h3 19.gh3 (19.Kg1 Rf3 20.Rfc1-+) 19...Qf3 20.Kg1 Bh2!! a sacrifice that ends the game 21.Kh2 Rh8 0–1. Freyberg,Dominic – Haucke,Alexander (2220), GER–chT U20 Hamburg, 2001.

    7.Be3 d5 8.e5 Ne4 9.a3 a5 (9...e6 10.h3 Bf5 11.Bc1-/+) 10.ab4 ab4 11.Ra8 Qa8 12.Nbd2 Nd2 13.Qd2 e6 14.h3 (14.Ng5!?=) 14...Bf3+= 15.gf3 Be7 16.Kh2 Qa3 17.Rg1 g6 18.Rg4 h5 19.Rg1 Qb2 20.f4 Kd7 (20...Nd4?? 21.Bd4 Qa3 22.Ra1+-) 21.Rd1 Ra8 (21...Nd4?? 22.Bd4 Qa3 23.Ra1+-) 22.Qe1 Kc7 (22...Nd4?? 23.Bd4 Qa3 24.Ra1+-) 23.Rb1 Qc3 24.Qc3 (24.Qd1!?+=) 24...bc3-+ 25.Kg2 Ba3 26.Kf3 Bb2 27.Ke2 Ra5 (27...Ra4 28.Kf3-+) 28.f3 (28.Kd1 Nb4 29.Ke2 Ra2-+) 28...b5 (28...Ra4 29.Rd1-+) 29.Bf2 Kb6 30.Rg1 Ra1 31.Rg2 (31.Ra1 Ba1 32.Kd1-+) 31...b4 32.Rg1 (32.f5 gf5 (32...ef5?! 33.e6 fe6 34.Rg6-/+) 33.Rg8 b3 34.cb3 Ba3-+) 32...Rg1 33.Bg1 Bc1 34.Be3 Be3 35.Ke3 Ka5 36.Be2 Ka4 37.f5 ef5 38.f4 b3 (38...b3 39.cb3 Kb3 40.Bd1 c2 41.Bc2 Kc2-+) 0–1. Dotorivo,Eduardo – Tsuboi,Edson Kenji, It (open), Pouso Alegre (Brazil), 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.0-0 Nc6)

    7.e5 de5-/+ 8.de5 Nd7 9.Bb2 Qc7 10.e6 Be6 11.Ng5 Nc5 12.a3 (better is 12.Qh5-/+) 12...0-0-0?? (better is 12...Bd5-+) 13.Ne6= Ne6 14.ab4 Nb4 15.Ra7 Kb8 (15...Nd3 16.cd3 Qb6 17.Qc2 Qc6+=) 16.Nc3 (better is 16.Ra4!? Nd3 17.cd3+=) 16...Qb6+= (16...Nd3?! 17.cd3 Qb6 18.Ra2+=) 17.Ra3 Nd3 18.cd3 Nc5?? (better is 18...Qb2 19.Rb3 Qb3 20.Qb3 Rd3+/-) 19.Na4+- Qc7 (19...Qb4 20.Nc5 Qc5+-) 20.Nc5 e5 (20...Qc5 21.Qa1 e6 22.Ra5+-) 21.Qa4 (better is 21.Qa1 Qc5 22.Be5 Bd6 23.Bd6 Qd6 24.Rc1 Qa3 25.Qa3+-) 21...Qc5+/- 22.Rc1 Qc1 23.Bc1 Ba3 24.Qa3 Rd5 25.Be3 Rhd8 26.Bb6 R8d6 27.Qa7 Kc8 28.Qa8 Kd7 29.Qb7 Ke6 30.g4 Rd7 31.Qc8 Kf6 32.h4 Rd3 33.Bc5 Kg6 34.Qc6 f6 35.Qe4 Kf7 36.Qh7 R3d5 37.Be3 White prepares g5 37...Kf8 38.g5 fg5 39.hg5 Kf7 40.Qh5 Ke7 41.Qg6 Kd8 (41...Rd1 42.Kg2 Kd8+-) 42.Bb6 Kc8 43.Qc6 Kb8 44.Bc7! Kc8 (44...Rc7 45.Qd5 Deflection) 45.Bd6 1–0. Lehmann,Heinz – Kluge,Klaus, Berlin–ch, 1949. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.0-0 Nc6)

    6.0-0 e6

    7.c3 Qb6 A) 8.a3 b3 (8...bc3 9.Nc3 Bf3 10.Qf3 Nc6 11.Rb1 Nd4 12.Qe3 Ng4 13.Rb6 Ne3+=) 9.Bb2 d5 10.ed5 Nd5 11.Nbd2 Nf4 12.Bc4 Bd6 13.Bb3 0-0=; B) 8.Re1 bc3 (8...Be7 9.Be3 0-0 10.h3 Bh5 11.cb4 Qb4 12.Nbd2 d5 13.e5 Nfd7+=; 8...Nc6 9.d5 Bf3 10.Qf3 Ne5 11.Qd1 Nd3 12.Qd3 Rc8 13.Bd2 bc3=; 8...Nbd7 9.Be3 bc3 10.Nc3 Rc8 11.Rc1 Qa5 12.Bd2 Qh5 13.Re3 a6=) 9.Nc3 Bf3 10.Qf3 Qd4 11.Bb2 Qb6 12.Rab1 Nfd7 13.Qg3 Qd8+=; C) 8.Be3 Qc6 9.Qe2 Nbd7 10.h3 Bh5 11.Rc1 Ne4 12.cb4 Qd5 13.Rc7 Nb6=.

    7.c3 bc3 8.Nc3 Be7 (8...Nbd7 9.h3 Rc8 10.hg4 Rc3 11.g5 Ng8 12.Rb1 Rc7 13.d5 Nc5=; 8...Qa5 9.Bd2 Qh5 10.Qa4 Kd8 11.Ne1 e5 12.Rb1 Bd7 13.Qa5 Ke8+=; 8...Nc6 9.d5 Ne5 10.Bb5 Ke7 11.Be2 Bf3 12.Bf3 Rc8 13.Bd2 Ke8=) 9.e5 (9.Rb1 Qc8 10.Bb2 0-0 11.h3 Bh5 12.d5 Nbd7 13.g4 Bg6+=) 9...de5 10.Qa4 (10.de5 Nfd7 11.h3 Bf3 12.Qf3 Nc6 13.Bf4 a6-/+) 10...Nc6 11.Ne5 Qd4 12.Qd4 Nd4 13.Rb1 b6 (13...Rc8-+) 14.Be3 Bc5 15.Ne4 Bf5 (better is 15...Be2!? 16.Nc5 Bf1-+ (16...bc5?! 17.Be2 Ne2 18.Kh1-+)) 16.Nc5+= bc5 17.Bf5 ef5 18.Bd4 cd4 19.Rfd1 0-0 20.Rb7 Rfb8 21.Rb8 Rb8 22.h3 Ne4 23.Rd4 f6 24.Nc6 Rb1 25.Kh2 Nf2 26.Ne7 Kf7 27.Nf5 g6 28.Ne3 Ke6 29.Kg3 Rb2 30.Ra4 Nd3 31.Ra6 Rb6 32.Ra7 h5 33.Re7 Ke7 34.Nd5 Kd6 35.Nb6 Kc6 36.Nc4 Kc5 37.Nd2 f5 38.Kh4 Kd4 39.a4 Ke3 40.a5 Nb4 41.Nf3 Kf4 42.Ng5 Na6 (42...Ke5 43.Nh7 Ke6 44.Kg5+-) 43.g3 (better is 43.Nh7+-) 43...Ke3? (better is 43...Ke5+=) 44.Ne6+- Kf3 45.Nf4 g5 46.Kg5 Kg3 47.h4 (47.Kf5?! h4+-; 47.Nh5?! Kh3 48.Kf5 Kg2+-) 1–0. Podinic,Bojan (2275) – Sarenac,David (2270), Belgrade Premier League, 2011.

    7.c3 Nc6 A) 8.cb4 d5 (8...Qd7 9.h3 Bf3 10.Qf3 Nb4 11.Bg5 Be7 12.Nc3 Nd3 13.Qd3 Ne4+=; 8...Nd4 9.Qa4 Nc6 10.Nd4 Qd7 11.Nc6 bc6 12.Be3 e5 13.Rc1 d5=; 8...Bf3 9.Qf3 Qb6 10.d5 Ne5 11.Qd1 ed5 12.ed5 Qb4 13.Na3 Qc5+=) 9.e5 Nd7 10.Be3 Bf3 11.Qf3 Nb4 12.Qe2 Rc8 13.Nd2 Nd3-/+; B) 8.Be3 bc3 (8...d5 9.e5 Ne4 10.c4 Nc3 11.Nc3 bc3 12.Qb3 Bf3 13.gf3 dc4+=) 9.Nc3 d5 10.e5 Nd7 11.h3 Bh5 12.Rb1 Qa5 13.Qb3 Bb4-/+.

    7.c4 bc3 8.Nc3 Be7 (8...Qa5 9.Bd2 Qh5 10.Qa4 Kd8 11.Ne1 e5 12.Rb1 Bd7 13.Qa5 Ke8+=; 8...Nc6 9.d5 Ne5 10.Bb5 Ned7 11.h3 Rc8 12.Bb2 Bf3 13.Qf3 a6+=; 8...Nbd7 9.h3 Rc8 10.hg4 Rc3 11.g5 Ng8 12.Rb1 Rc7 13.Be3 b6=) 9.Rb1 Qc8 10.Bb2 0-0 11.h3 Bh5 12.d5 Nbd7 13.g4 Bg6 +=.

    7.c4 Nc6 A) 8.Bb2 Be7 (8...Qc7 9.h3 Bh5 10.Nbd2 Be7 11.Qc2 Nd7 12.Rfe1 Bf6 13.Rad1 Rc8+=; 8...Qa5 9.h3 Bh5 10.Nbd2 Be7 11.d5 Ne5 12.Be5 de5 13.g4 Bg6=; 8...d5 9.ed5 ed5 10.c5 Be7 11.h3 Be6 12.Re1 0-0 13.Qc2 Bd7+=) 9.h3 Bh5 10.g4 Bg6 11.d5 Nb8 12.Qa4 Qd7 13.Qb4 Na6+=; B) 8.Be3 Be7 (8...Rc8 9.a3 Qa5 10.Nbd2 ba3 11.Qb3 Qb4 12.Qc2 Qb2 13.Qa4 d5+=) 9.a3 ba3 10.Na3 0-0 11.h3 Bh5 12.Nb5 Nb4 13.Bg5 a6-/+; C) 8.d5 Ne5 (8...Bf3 9.Qf3 Ne5 10.Qe2 Nd3 11.Qd3 Be7 12.Nd2 Qc7 13.Rb1 a5+=) 9.Be2 Bf3 10.Bf3 Nc4 11.Qa4 Qd7 12.Qb4 Ne5 13.Qb3 Nf3+=.

    7.c4 Be7 A) 8.h3 Bh5 (8...Bf3 9.Qf3 Nc6 10.Bb2 0-0 11.Rd1 Rc8 12.Nd2 Qd7 13.e5 de5=) 9.Nbd2 0-0 10.Qb3 Nc6 11.Re1 Qc7 12.Rb1 Rfc8 13.Qc2 Nd7+=; B) 8.a3 ba3 (8...0-0 9.h3 Bf3 10.Qf3 Nc6 11.Be3 Qb6 12.Qd1 b3 13.e5 de5+=; 8...d5 9.e5 Nfd7 10.cd5 ed5 11.h3 Bh5 12.ab4 Bb4 13.Qb3 Nc6+=) 9.Na3 Nc6 10.Nc2 0-0 11.Re1 Qc7 12.h3 Bh5 13.Bf4 Rfc8+=; C) 8.Be3 0-0 (8...Nc6 9.h3 Bh5 10.Nbd2 0-0 11.Rb1 Bg6 12.d5 Ne5 13.Ne5 de5=; 8...Qa5 9.h3 Bh5 10.Nbd2 0-0 11.Qb3 Na6 12.Rfb1 Rfb8 13.Bf4 e5=; 8...Qd7 9.Nbd2 Nc6 10.d5 Ne5 11.Ne5 de5 12.f3 Bh5 13.Qb3 0-0=) 9.h3 Bh5 10.Nbd2 Nc6 11.Rb1 Bg6 12.d5 Ne5 13.Ne5 de5=; D) 8.Nbd2 Nc6 (8...0-0 9.Qc2 h6 10.h3 Bf3 11.Nf3 Nc6 12.Be3 Rc8 13.d5 ed5=) 9.Qc2 Qa5 10.Bb2 Qc7 11.d5 Ne5 12.Ne5 de5 13.Qa4 Nd7=.

    7.Nbd2 Nc6 A) 8.Qe1 Be7 (8...Qc7 9.a3 ba3 10.Ba3 Be7 11.c4 0-0 12.h3 Bh5 13.d5 Ne5+=) 9.h3 Bh5 10.a3 Qc7 11.Qe3 0-0 12.Re1 Rfc8 13.Nb3 d5-/+; B) 8.a3 Nd4 (8...ba3 9.h3 Bh5 10.c3 a6 11.Ba3 b5 12.Qc2 Qc7 13.c4 b4=) 9.ab4 d5 10.c3 Nf3 11.gf3 Bh3 12.Re1 Qc7 13.Bb5 Kd8-/+; C) 8.Bb2 Be7 (8...d5 9.e5 Nd7 10.c4 bc3 11.Bc3 Rc8 12.Qb3 Qb6 13.Rfc1 f6-/+; 8...Rc8 9.h3 Bf3 10.Qf3 d5 11.e5 Nd7 12.Qg4 Qc7 13.Rfb1 h5+=; 8...Qe7 9.h3 Bh5 10.a3 ba3 11.Ba3 Qd7 12.e5 Nd5 13.Qb1 Nf4+=) 9.h3 Bh5 10.c4 bc3 11.Bc3 d5 12.e5 Nd7 13.Rb1 Rb8-/+; D) 8.h3 Bf3 (8...Bh5 9.a3 ba3 10.c3 a6 11.Qb3 b5 12.Ba3 Be7 13.Rfc1 Bf3+=) 9.Nf3 d5 10.e5 Nd7 11.Qe2 Be7 12.a3 0-0 13.Bb5 Qc7+=.

    7.Nbd2 Be7 8.Re1 Nc6 9.Nb3 d5 10.e5 Nd7 11.Re3 a5 12.Qe1 (12.a4 ba3! 13.c3 Bg5-/+) 12...Qb6 13.a4 Bf3 14.Rf3 Nd4 15.Rg3 (15.Nd4 Qd4 16.Bf4 Qc3-+) 15...Nb3 16.cb3 Ne5! 17.Bb5 (17.Qe5 Bf6 Decoy) 17...Kf8 18.Rg7? (better is 18.Bb2 Ng6 19.Rc1-+) 18...Nf3! (18...Kg7?! 19.Qe5 f6 20.Qh5-/+) 19.gf3 Kg7 20.Kh1 Bf6 21.Qg1 Kf8 22.Bh6 Ke7 23.Rd1 Rhg8 24.Qe1 Bg5 25.Bg5 Rg5 26.f4 Rf5 27.f3 (27.Qe3 Qe3 28.fe3 Rh5-+) 27...Rg8 (worse is 27...Rf4 28.Rd5 Rd8 29.Rd8 Qd8 30.Be2-+) 0–1. Carson – Penquite,John, corr, 1990. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.0-0 e6)

    7.h3 Bf3 8.Qf3 d5 (8...Qb6 9.Be3 Nc6 10.d5 Ne5 11.Qf6 gf6 12.Bb6 Nd3 13.cd3 ab6=; 8...Nc6 9.d5 Ne5 10.Bb5 Ke7 11.Qe2 a6 12.Bd3 Rc8 13.Bb2 Nd3=; 8...Qa5 9.Nd2 Nc6 10.Nb3 Qc7 11.Bf4 Rc8 12.Rab1 Be7 13.Rfc1 0-0+=) 9.e5 Nfd7 10.Nd2 Nc6 11.Qe3 Be7 12.Qg3 0-0 13.Nf3 f6 +=.

    7.h3 Bh5

    8.a3 ba3 (8...d5 9.e5 Ne4 10.Re1 Bg6 11.Ra2 Nc6 12.Re3 Qb6 13.Rb2 Qc7+=; 8...Nc6 9.ab4 Nd4 10.g4 Nf3 11.Qf3 Bg6 12.Be3 a6 13.Rd1 Nd7+=; 8...Bg6 9.Bg5 ba3 10.Na3 Be7 11.Qb1 b6 12.Nc4 Nbd7 13.e5 d5+=) 9.Na3 Be7 10.c4 0-0 11.Be3 Nc6 12.Nb5 Nb4 13.Bg5 a6 -/+.

    8.c3 d5 (8...bc3 9.Nc3 Be7 10.Bb5 Nbd7 11.e5 de5 12.de5 Rc8 13.ef6 Bf6+/-; 8...Bg6 9.Bg5 Qa5 10.cb4 Qb4 11.a3 Qb2 12.Nbd2 d5 13.Qa4 Kd8+/-) 9.Qa4 Nc6 10.Ne5 Qa5 11.Qa5 Na5 12.ed5 Nd5 13.c4 Nc3 +=.

    8.c4 bc3 9.Nc3 Be7 10.Bb5 Nbd7 11.e5 de5 12.de5 Rc8 13.ef6 Bf6 +/-.

    8.c4 Nc6 9.Be3 Be7 10.Nbd2 0-0 11.Rb1 Bg6 12.d5 Ne5 13.Ne5 de5 =.

    8.c4 Be7 9.Nbd2 0-0 10.Qb3 Nc6 11.Re1 Qc7 12.Rb1 Rac8 13.Qa4 d5 +=.

    8.c4 Be7 9.Nbd2 0-0 10.Qc2 +=.

    8.c4 Be7 9.Nbd2 h6 10.Rb1 0-0 11.a3 Nc6 12.g4 (12.Qc2!?=) 12...Bg6+= 13.d5 ed5 14.cd5 Ne5 15.Ne5 de5 16.Qf3 ba3 17.Rb7 a2 18.Bb2 Rb8 19.Rb8 Qb8 20.Nc4 Qb3 21.Qd1 Qd1 22.Rd1 Be4 23.d6 Bd6! 24.Nd6 Bd3 25.Rd3 Rb8 26.Be5 a1Q (26...Nd7!? 27.Rd2 Ne5 28.Ra2 Ra8-/+) 27.Ba1+= Rb1 28.Kg2 Ra1 29.Rb3 Ra2 ½–½. Bolding,Klaus (2305) – Vincent,Patrick (2205), FRA–chT2S, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.0-0 e6 7.h3 Bh5)

    8.Be3 d5 (8...Be7 9.c4 0-0 10.Nbd2 Nc6 11.Rb1 Bg6 12.d5 Ne5 13.Ne5 de5=; 8...Nc6 9.c4 Be7 10.Nbd2 0-0 11.Rb1 Bg6 12.Qc2 d5 13.cd5 ed5+=; 8...Bg6 9.Bg5 Be7 10.Re1 d5 11.Bb5 Nc6 12.ed5 Nd5 13.Be7 Nde7-/+) 9.Nbd2 Be7 10.e5 Nfd7 11.Rc1 Qa5 12.Ra1 0-0 13.Qb1 Nc6 -/+.

    6.Nbd2 e6

    7.0-0 Nc6 8.Bb2 d5 9.Re1 Be7 10.h3 Bh5 11.c4 (11.e5!? Nd7 12.c4-/+) 11...bc3!-+ 12.Bc3 de4 13.Ne4 Nd5 14.Qb3 (better is 14.Bb2!?-/+) 14...Bf3-+ 15.gf3 Rb8 16.Bd2 0-0 17.Be3 f5 (17...f5 18.Nc5 Bc5 19.dc5 Qh4-+) 0–1. Marttala,T – Poutiainen,Pertti, Stockholm Sweden, 1975. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4)

    7.0-0 d5 8.e5 Nfd7 9.Re1 Nc6 10.Bb2 Rc8 11.Nf1 Qb6 12.Be2 Be7 13.Ng3 0-0 14.h3 Bf3 15.Bf3 Bh4 16.Qd2? (better is 16.Nh1-/+) 16...Bg3-+ 17.fg3 Nce5 18.Be2 Nc4 19.Bc4 Rc4 20.Kh1 Nf6 21.Qd3 Rfc8 22.Re2 Ne4 23.Rf1 (23.Kh2 Nc3 24.Rd2 Qc6-+) 23...Rc3! 24.Bc3 Rc3 (24...bc3?! 25.Kg1-/+; 24...Nc3?! 25.Ref2 Rc7 26.Kh2-+) 25.Qc3 bc3 (25...bc3 26.Kh2 Qd4-+) 0–1. Tafner,Edson – De Souza,Jorge UM, BRA TCE–C–0220 corr, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    7.0-0 Be7 8.Qe2 d5 9.e5 Nfd7 10.Qe3 Nc6 11.Nb3 Bh5 12.Bd2 Bg6 13.Rac1 Bd3 14.Qd3 0-0 15.c3 Nb6 16.cb4 Nb4 (worse is 16...Bb4 17.Rc6 Bd2 18.Rb6 Qb6 19.Nbd2+/-) 17.Bb4 Bb4 18.Nc5 Bc5 19.Rc5 Nc4 20.Rb5 b6 21.h3 h6 22.Re1 Qd7 23.Rb3 Rfc8 24.Qb1 Rc7 25.Rd3 Rac8 26.Nh2 Qa4 27.Rdd1 Na3 28.Qd3 Rc3 29.Qf1 Nc2 30.Re2 Qa2 31.Ng4 Qa4 32.Kh2 (32.Red2 Qc4-+) 32...R8c7 (32...Nd4!? 33.Re3-+) 33.Red2 Qc4 34.Rd3 (34.Qg1 Qb3-+) 34...Rd3 (34...Ne1 35.Ne3 Rd3 36.Nc4 Rd1 37.Qe2 Rd4 38.Nd6-+) 35.Rd3 (35.Qd3 Qd3 36.Rd3 b5-+) 35...Nd4 (35...Ne1 36.Nh6 Kh7 37.Qe1 Qd3 38.Ng4-+) 36.Qb1 (36.Ne3 Qb4-+) 36...Nf5 37.Rf3 (37.Qd1 Qc2 38.Qf1 Rc3 39.Rc3 Qc3-+) 37...d4 38.Qd1 (38.Rf5 ef5 39.Qf5 d3-+) 38...h5 39.Ne3 (39.Rd3 Rd7 40.Nf6 gf6 41.ef6 Qc7 42.Kg1 Qe5-+) 39...de3 40.fe3 Rc8 (40...Qc3 41.Kh1-+) 41.Rf4 Qc7 42.Qa1 Ne3 0–1. Fiklik,Vladimir – Simek,Petr (1630), CZE–ch U14 Most, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.Nbd2 e6)

    7.a3 d5 8.e5 Nfd7 9.0-0 Nc6 10.h3 Bh5 11.Nb3 a5 12.a4 Be7 13.g4 Bg6 14.Ne1 Bd3 15.Nd3 Qb8 16.f4 0-0 17.f5 b5 18.ab5 Qb5 19.Be3 a4 20.Nd2 Qb6 21.Qf3 f6 22.fe6 fe5 23.Qd5 Nf6 24.Qg2 ed4 25.Bg5 Ra7 26.Nc4 Qb5 27.Bf6 Rf6 28.Rf6 gf6 29.Nd2 Ne5 30.g5? fg5 31.Nf2 Qe2 32.Qd5 Rc7 33.Rf1 Rc2 34.Qb7 Ng6 35.Nde4 Qf3 36.Qb8 Kg7 37.Qa7 a3 38.Qd4 Kg8 (38...Kg8 39.Qd7 Nh4 40.Qe8 Bf8 41.Qf7 Qf7 42.ef7 Kf7 43.Ng5 Kg8-+) 0–1. Prochazka,Dalibor (2255) – Frost,Lionel B (2180), IECG, 2000.

    7.h3 Bh5 8.g4 Bg6 9.g5 Nh5 10.a3 ba3 11.Ba3 Be7 12.Bb5 Kf8 13.c3 h6 (13...Nf4 14.Qb3-/+) 14.gh6 (14.Nh4 Nf4 (worse is 14...Bg5 15.Ng6 fg6 16.Nc4+/-) 15.Ng6 Ng6 16.gh6 Rh6+=) 14...Rh6 15.Qa4 Nf6 16.Ng5 a6 17.0-0-0 (17.e5 Nd5 18.Nge4-+) 17...Nfd7-+ (17...ab5?! 18.Qa8 Nh5 19.e5=) 18.Bd7 Qd7 (18...Nd7 19.f4-+) 19.Qd7 Nd7 20.h4 Rc8 21.Kb2 Nb6 22.Kb3 d5 23.Be7 Ke7 24.e5 (24.Rde1 a5-+) 24...Nc4 25.Nc4 Rc4 26.f3 Rc8 0–1. Kende,Gyorgy – Karolyi,Tibor Jr, It (c), Balatonbereny (Hungary), 1995. (=1.Nf3 c5 2.e4 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.Nbd2 e6)

    6.h3 Bh5

    7.0-0 e6 (7...d5 8.Nbd2 Nc6 9.e5 Nd7 10.e6 fe6 11.Bb2 e5-/+) 8.Bb2 (8.c4 Nc6 9.Bb2 Qc7+= (9...Be7 10.Nbd2 0-0 11.Qc2 Bg6+=) 10.Nbd2 Be7 11.Qc2 Nd7+=; 8.c3 Qa5 9.c4 Nc6 10.Be3 Be7 11.Nbd2 0-0+=) 8...d5 9.e5 Ne4 (9...Nfd7 10.a3 Nc6 11.ab4 Bb4-/+) 10.Re1 (10.Qe2 Ng5 11.Nbd2 Nc6-/+) 10...Ng5 11.Nbd2 Nc6 12.Kh2 (12.c4 bc3! 13.Bc3 Rc8-/+) 12...Nf3 13.Nf3 Be7 14.Qd2 (14.c4 dc4 15.Bc4 0-0-/+) 14...Bf3-+ 15.gf3 Bg5 16.f4 Bh6 17.Rg1 g6 18.Rg4 (18.a3 ba3 19.Ra3 f6-/+) 18...Qb6 (18...f5 19.Rg3-+) 19.a3 (19.c3!?-/+) 19...ba3-+ 20.Ba3 Qd4 21.c3? (21.Rb1 Qe5! 22.Rb7+= (22.fe5? Bd2 23.Rb7 Ne5-+)) 21...Qe5! 22.Re1 (22.fe5 Bd2) 22...Qc7 23.c4 0-0-0 24.c5 (24.Bb2 Rhg8 25.cd5 Rd5-+ (25...ed5?! 26.Bf6-+)) 24...Ne5! 25.Kg2 (25.Re5 Qe5; 25.fe5 Bd2) 25...Ng4 26.hg4 Bf4 27.Qb2 (27.Qa2 Qa5 28.Rb1 h5-+) 27...h5 28.g5 (28.c6 hg4 29.cb7 Qb7 30.Qc2 Bc7-+) 28...Bg5 29.c6 (29.Qa1 h4 30.Bb2 h3 31.Kf1 d4-+) 29...b6 (29...bc6 30.Re6 Qb7 31.Qe2-+) 30.Bb4 (30.Qa1 Rh7-+) 30...h4 (30...Rh7 31.Ba6 Kb8 32.Bb7-+) 31.Qa3 (31.Bc3 h3 32.Kh1 d4 33.Bd4 Bf4-+) 31...h3 32.Kh1 Rh4 33.Ra1 (33.Rg1 Bf6-+) 33...Kb8 (better is 33...Qc6 34.f3 Rd7 35.Be1-+) 34.Qa6 (34.Bb5-+) 34...Rb4 35.Bb5 Bf6 36.Rc1 g5 0–1. Raetsky,A (2390) – Golubev,M (2530), ACP Blitz Prelim3, playchess.com INT (14), 2004.

    7.a3 ba3 8.Na3 e6 9.0-0 Be7 10.c4 0-0 11.Bf4 Nc6 +=.

    7.Bb5 Nbd7 8.e5 (8.a3 Qa5 9.Bd7 Nd7-/+) 8...Bf3 (better is 8...de5!? 9.g4 e4-+) 9.Qf3+= Qb6 Black threatens to win material: Qb6xb5 10.Qd3? (10.c4 Qd4 11.ef6 0-0-0-+) 10...Nd5?? not a good decision, because now the opponent is right back in the game (better is 10...de5!? 11.de5 a6 12.Bd7 Nd7-/+) 11.Nd2 (11.Bd7 Kd7 12.a3 de5 13.de5 e6=) 11...0-0-0 Black has a cramped position. Black's piece can't move: f8 (better is 11...de5 12.de5 Qe6-/+) 12.Nc4+= White threatens to win material: Nc4xb6 12...Qc7 Black has a cramped position. Black's piece can't move: f8 13.0-0 (13.a3 e6 14.Bg5 f6 15.ed6 Bd6+=) 13...e6 (13...de5 Worse is 14.Bd7 Qd7 15.Ne5+/-) 14.a3 de5 (better is 14...Nb8!?+= should be considered) 15.Bd7+= Rd7 16.Ne5 Rd8 17.ab4 Nb4 The backward pawn on c2 becomes a target 18.Qb3 Qc2? (18...a6 19.Ra4 a5 20.Bf4=) 19.Qc2 (better is 19.Qf3!? Nc6 20.Bg5 Nd4 21.Qf7+-) 19...Nc2+= 20.Ra7 White has a king attack. . 20...Rd4?? (better is 20...Kb8 would bring relief 21.Nf7 Rd7=) 21.Ra8+- Kc7 22.Nf7 Rg8 23.Ng5 Kd7 (23...e5 24.Ne6 Kd6 25.Nf8+-) 24.Nh7 Ke7 25.Rc8 (25.Nf8?! is the weaker alternative 25...Rf8 26.Ra2 Rc4+/-; 25.Rf8?! is a useless try 25...Rf8 26.Nf8 Kf8=) 25...Nb4 (25...Kd7 26.Rc2 (26.Nf8 is easily refuted 26...Kc8 27.Ne6 Rd6+=) 26...Bd6 27.Rb2+-) 26.Be3 (26.Nf8?! is clearly worse 26...Rf8 27.Rc7 Ke8 28.Rb7 Rf7 29.Rb8 Kd7+-; 26.Rf8?! is a weaker possibility 26...Rf8 27.Bg5 Rf6 28.Nf6 gf6+=) 26...Rd5 27.Rb1 (27.Nf8?! is no comparison 27...Rf8 28.Bc5 Rc5 29.Rc5 b6+-) 27...Rb5 (27...Kf7 is not much help 28.Rc7 (28.Rf8?! Rf8 29.Rb4 Re8+-) 28...Be7 29.Rb4+-) 28.Rf8 (better is 28.Bc5 and White takes home the point 28...Rc5 29.Rc5 Nc6 30.Rb7 Kd6+-) 28...Rf8 29.Nf8 (29.Nf8 Kf8 30.Rb4 Rb4 31.Bc5 Kf7 32.Bb4+-) 1–0. Gimeno Oteo,MA (2175) – Cantin Zaborras,V (2175), Aragon–ch Absoluto, 2001. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 Bg4 6.h3 Bh5)

    7.c3 bc3 8.Nc3 e6 9.Rb1 Qc8 10.Bd2 Be7 11.Rc1 Qd8 =.

    7.c3 Nc6 8.d5 Ne5?? (better is 8...Bf3 9.gf3 Ne5 10.Bb5 Nfd7 11.cb4 g6=) 9.Ne5+- Qa5? (9...Bd1 10.Bb5 Nd7 11.Bd7 Qd7 12.Nd7+-) 10.Nf3 (better is 10.Nc4!? Qc5 11.Qb3 Nd5 12.ed5 Qd5+-) 10...bc3 11.0-0 (better is 11.Qb3!? Rc8 12.Qb7 c2 13.Nbd2 Qc7 14.Qc7 Rc7+-) 11...Rc8 12.Na3 a6 13.Nc4 Qc7 14.a4 Ne4 15.Be4 Qc4 16.Bd3 (16.Qc2 g6+/-) 16...Qc7 (16...c2 17.Qd2 Qc3 18.Ra2 Qd2 A) 19.Nd2?! Bg6 20.Bg6 hg6= (worse is 20...fg6 21.Nb3+-); B) 19.Bd2 Bf3 20.gf3+/-) 17.Be3 (17.Bf5 Rb8+/-) 17...f6 (better is 17...e6!?+=) 18.a5 Bf7 (better is 18...c2 19.Qe2 Bg6+-) 19.Bf5 c2 20.Qd4 Qc4 (20...e6 21.de6 Bg6 22.Bg6 hg6 23.Rfc1+-) 21.Bc8 Qc8 22.Rac1 (22.Rfc1 Qf5 23.Qa4 Qd7+-) 22...e5 (22...Qf5 23.Qa4 Qd7 24.Qc2 Bd5 25.Qd1+-) 23.de6! Be6 (23...Qe6 24.Qa4; 23...Be6 24.Qa4) 24.Qa4 (24.Qa4 Qd7 25.Qc2+-) 1–0. Serrano San Nicolas (1850) – Sanmartin Agustin (1805), Aragon–chT Autonomico, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 Bg4)

    7.c3 e6 8.0-0 bc3 9.Nc3 Be7 10.Rb1 Qc8 11.Bb5 Nbd7 +=.

    7.c3 Bg6 8.Qe2 e6 9.Bg5 Nbd7 10.0-0 bc3 11.Nc3 Be7 +=.

    7.c4 e5 8.Nbd2 ed4 9.g4 Bg6 10.Nd4 Nc6 11.Bb2 Nd7 +=.

    7.Nbd2 e6 8.g4 Bg6 9.Nh4 d5 10.Ng6 hg6 11.e5 Nfd7 -/+.

    5.Bd3 g6

    6.a3 b3 7.cb3+= Bg7 8.Bb2 0-0 9.Nbd2 Nc6 (9...d5 10.0-0=) 10.h3 (10.d5!? Nb8 11.0-0+=) 10...Nh5 11.g3 Qb6 (11...d5!?=) 12.Nc4 Qd8 13.d5 Bb2 14.Nb2 Ne5 15.Ne5 de5 16.Be2 Nf6 17.f3 Qb6 (17...Nh5!? 18.Kf2 f5=) 18.Nc4+/- Qd4? (better is 18...Qc5!?+/-) 19.Qd4+- ed4 20.Rd1 b5 21.Na5 (21.Ne5 a6+-) 21...Bd7 22.Rd4 Rfc8 23.Kf2 Rc2 24.b4 Rac8 25.Rhd1 Bh3 26.R1d2 (26.e5 Nd7 27.Nc6 R8c6 28.dc6 Ne5+-) 26...R2c3? (26...a6 27.e5 Rd2 28.Rd2+-) 27.R4d3 (27.e5 Nd7 28.Rh4+- (28.Bb5?! Ne5 29.Be2 Ra3+=)) 27...Bd7 28.Ke3 a6 29.Kd4 Rd3 30.Kd3 Nh5+= 31.g4 Nf4 32.Ke3 Ne2 33.Ke2 Rc3 34.Rd3 Rc1 35.Ke3 h5+= 36.gh5 gh5 37.Nb3 Rg1 38.Kf2 Rg6 39.Nd4 h4= 40.Rd1 h3 41.Rh1 Rg2+= 42.Ke3 Ra2 43.e5 Ra3 44.Kf4 Rd3 45.Ke4+= Rd2 46.e6 fe6 47.de6 Bc8 48.Rh3+= Bb7 49.Ke3 Rb2 50.Rg3?? Kh7 51.Kf4?? Rb4-/+ 52.Ke5 a5?? 53.f4?? a4 54.Rh3 Kg6 55.f5 Kg5 56.Rg3+= Kh4 57.Rd3 Rc4?? 58.f6+/- Rc5 59.Kf4 ef6 60.Nf5 Kh5 61.Rh3 Kg6 62.Rh6 1–0. Pfleger,Juergen (1785) – Gheng,Michael Dan (1775), GER–ch Net qual3 U14 blitz, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    6.c4 bc3 7.Nc3 Nc6 8.h3 Bg7 9.0-0 0-0 10.Rb1 b6 11.Qe2 Bb7 12.Rd1 Rc8 13.Bb2 Nh5 14.Qe3 Na5 15.e5 Bh8 16.g4 Ng7-/+ 17.d5 Ne8 18.e6? Bc3-+ 19.Bg6 fg6 20.Bc3 Rc3! 21.Qc3 Nf6 22.Ng5 Nd5 23.Qg3 Nf6 24.Nf7 Qc8 25.g5 Ne4 (25...Ne4 26.Qg4 Qc4-+; 25...Qe6?! 26.Nh6 Kg7 27.gf6 Qf6 28.Ng4-+) 0–1. Kupka,Slavoj – Hort,Vlastimil, CSR–ch Prague, 1963.

    6.Bd2 a5 7.a3 ba3 8.Na3 Bg7 9.0-0 0-0 10.Nc4 a4 11.c3 Bd7 12.Qb1 Bc6 13.d5= Be8 14.Qb7 Nbd7 15.Be3 ½–½. Salonen,Jyrki – Olafsson,Helgi, EU–ch U20 fin–B, 1974.

    6.Bd2= a5 7.a3 ba3 8.Na3 Bg7 9.Nc4 b6 10.0-0 0-0 11.Re1 Ba6 12.Bg5 Nbd7 13.Qd2 Re8 14.e5 de5 15.de5 Nd5 16.Nd6? (better is 16.Be2 Nb4 17.c3=) 16...Rf8?? (better is 16...Ne5 17.Ne8 Nd3 18.Ng7 Ne1 19.Re1 Kg7=) 17.Ba6+/- Ne5 18.Ne5 (18.Re5 Be5 19.Nf7 Bc3 (19...Rf7? 20.Ne5 Rf5 21.Ng4+-) 20.Nd8 Bd2+/-) 18...Qd6 19.Bb7 Rad8 (19...Be5 20.Bd5 (20.Qd5?! Qd5 21.Bd5 Ba1 22.Ra1 Rac8=) 20...Rac8 21.Rad1+=) 20.Rad1 (20.Nc4 Qd7 21.Bd5 Qd5 22.Rad1 Qd2 23.Nd2+/- (23.Bd2 Rd4 24.Nb2 Rd2 25.Rd2 Bb2 26.Re7 a4=)) 20...Qc7?? (better is 20...Be5!? 21.Qd5 Bh2 22.Kh1 Qc7+=) 21.Bd5 (better is 21.Nf7 Rf7 22.Bd5+-) 21...Be5 22.c4 Bh2 23.Kf1 Bd6 24.Bh6 Rfe8 25.Qd4 e5 26.Qh4 Be7 27.Bg5 Bg5+= 28.Qg5 Kg7 29.Rd3 Re7? 30.Rh3+- Rh8 31.Qh6 Kg8 32.Rhe3 Qd6 33.f4 a4 34.Re5 Re5 35.Re5 Qd7 36.Qh4 Kf8 37.Qf6 Rg8 38.Ke1 1–0. Gorbunova,Anna – Biktairova,Olesia, Privolzhskogo FO–ch U18, 2004. (=1.e4 c5 2.b4 cb4+= 3.d4 d6 4.Nf3 Nf6 5.Bd3 g6)

    6.Bd2 a5 7.Qc1 Bg7 8.a3 ba3 9.Na3 0-0 10.Nc4 b6 11.Bh6 (11.Qb2 Nbd7+=) 11...b5 12.Bg7 Kg7 13.Ne3 Bb7 14.e5 de5 15.de5 Ng8 16.h4 (better is 16.Bb5!? Bf3 17.gf3-/+) 16...Bf3-+ 17.gf3 Qd4?? (better is 17...Nc6 18.Qb2 Qd4 19.Qd4 Nd4-/+) 18.Nf5!+- gf5 19.Qg5 Kh8 20.Qf5 Qa1 21.Ke2 Qe5+- 22.Qe5 Nf6 23.Bb5 Ra7 24.c4 Nbd7 25.Bd7 Rd7 26.Ra1 Rd6 27.Kf1 Re6 28.Qa5 Rc8 29.Rc1 Nd7 30.Rd1 Ne5 31.f4 Nc6 32.Qc3 f6 33.Rd5 Re4?! 34.Rh5 Rf4?? 35.Qd3 f5 36.Qd7 Rd8 37.Qc6 (37.Qc6 Rg4 38.Rf5+-) 1–0. Rajamaki,Keijo – Helo,Leevi, Kankaanpa op, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    6.Bd2 a5 7.c3 bc3 8.Nc3 Bg7 =.

    6.Bd2 Na6 7.0-0 Bg7 8.Qe2 0-0 9.a3 ba3 10.Ra3 Nc7 11.c4 Bg4 12.h3 Bf3 13.Qf3 Nd7 14.Qe3 Ne6 15.d5 Nec5 16.Be2 e5 17.de6 fe6-/+ 18.Nc3 Qe7 19.f4 Nb8 20.Bg4 Nc6 21.Ne2 a6 22.Be1 b5 23.cb5 ab5 24.Ra8 Ra8 25.Bf2 Ra4 26.e5=+ Rc4 27.Qa3 Bf8 28.ed6 Qd6 29.Qb2 Rb4 30.Qc2 Rc4 31.Qb1 b4 32.Rd1 Qe7 33.Bf3 Qc7 34.Rc1 Rc1 35.Qc1 Qd6 36.Kh1 Nd3-/+ 37.Qc6 Nf2 38.Kg1 Qc6 39.Bc6 Bc5 40.Kf1 b3 41.Nc3 Nd3 42.g3 Kf7 43.Ba4 Nc1 44.Kg2 Bb4 45.Nd1 Ke7 46.Kf3 Kd6 47.Ke4 Be1 48.g4 Bh4 49.Nc3 Bf6 50.Nb1 b2 51.Bb5 Nb3 52.Bc4 Nd4 53.Ba2 Nc2 54.Bc4 Nb4 55.Bb3 Bg7 56.h4 Nd5 57.f5 gf5 58.gf5 Nf6 59.Kf3 ef5 60.Kf4 Kc5 61.Kf5 Kd4 62.Bc2 ½–½. Sydor,Andrzej (2390) – Kane,George Francis, Skopje ol (Men) fin–A, 1972.

    6.Bd2 Qb6 =.

    6.Bd2 Bg7 7.0-0 0-0 8.Bb4 Nc6 9.Ba3 Bg4 10.c3 Qa5 11.h3 Bf3 12.Qf3 Nd7 13.Qe2 Rab8 14.Bb2 e5 15.d5 Ne7 16.Nd2 Nc5 17.Nb3 Qc7 18.Nc5 Qc5 19.a4 f5 20.Ba3 Qc7 21.a5 Rf6 22.Bb4 fe4 23.Be4 Bh6 24.g3 Rbf8 25.Bg2 Nf5 26.Rae1 Qf7 27.Qd3 Kh8 28.Re2 Bg5 29.Ree1 ½–½. Sydor,Andrzej – Jamroz,Zbigniew, Poland–ch, 1968.

    6.Bd2 Bg7 7.Bb4 Nc6 8.Ba3 0-0 9.0-0 Bg4 10.c3 Qa5 11.Bb2 Nh5 12.Nbd2 Nf4 13.Bc4 Qh5 14.Kh1 b5 15.Be2 b4 16.e5? de5 17.Bb5 bc3 18.Bc3 Nd4 19.Bd4 ed4 20.Qa4 Ng2! 21.Bc6 Ne3! 22.Rg1 Rac8 23.Rac1 Nf5 24.Rce1 Rfd8 25.Rg2 Bh6 26.Reg1 Bf3 27.Bf3 Qh3 28.Bg4 Qd3 29.Nf3 Bg7 30.Rd1 Qe4 31.Qa7 d3 32.Ng5 Qd5 33.Bf5 Qf5 34.Qe7 d2 35.Qb7 Rc1 36.Rgg1 Rd1 37.Rd1 Qg5 0–1. Tempelmeier,Oskar – Kampmann,Lutz, OWL–ch Altenbeken, 1948.

    6.Bd2 Bg7 7.Bb4 Nc6 8.Ba3 Bg4 9.c3 d5 10.e5 Nd7 11.Nbd2 0-0 12.0-0 Rc8 13.Rb1 Na5 14.Bb4 Nc6 15.Ba3 Na5 16.Qc2 Nb6 17.Bc5 Nd7 18.Bb4 Bf3 19.Nf3 (worse is 19.gf3 Nc6 20.Qa4 Qc7+=) 19...Nc4 20.Bc4 Rc4 21.Qb3 Re8 22.Nd2 Rc6 23.Qd5 Ne5 24.Qb5 Rb6 25.Qa4 Nc6 26.Bc5 Rb1 27.Rb1 Qc8 (better is 27...Qd7!?=) 28.d5+/- Ne5 29.Rb7! Rd8 (29...Qb7 30.Qe8) 30.Qa7 Nd3? (30...Nc6 31.dc6 Rd2 32.Rd7+-) 31.Bb6 (31.Be7 Nf4 32.Bd8=) 31...Qc3 32.Nf1 Re8 33.Re7 Re7 34.Qe7 Bf8 35.Qe3 (35.Qe4 Nc1+-) 35...Qc2 36.a4! Nb4 (36...Qa4 37.Qd4) 37.Qe5 Nd3 38.Qf6 (38.Qf6 Nc1 39.Bd4 Ne2 40.Kh1 Nd4 41.Qd4+-) 1–0. Binham,Timothy F (2340) – Baginskaite,Camilla (2295), Joensuu op, 1989. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    6.Nbd2 Bh6 7.a3 Bd2 8.Qd2 ba3 9.h3 +=.

    6.Be3 Bg7 7.Qd2 0-0 (7...Nc6!?+=) 8.Qb4= Ng4 9.Qc3 Ne3 10.fe3 Bh6 11.Bc4 Be6 (11...e6 12.Nbd2=) 12.d5 (12.Be6!? fe6 13.Nbd2+=) 12...Bg4 13.h3?? (better is 13.Nd4+=) 13...Bf3-+ 14.e5 (14.gf3 Bg7 15.Qb4 Ba1 16.Qb7 Nd7-+) 14...Bg7 15.Qb2 (15.Qd2 Be5 16.c3 Bg3 17.Kf1 Be4-+) 15...Bg2 16.Qb7 (16.Rg1 Qc8 17.c3 Bh3-+) 16...Nd7 17.Rg1 Ne5 18.Rg2 Nc4 19.c3 Rb8 20.Qa7 Ne5 21.Kd1 Qc8 22.Rh2 Qc4 23.Nd2 Qd5 24.Qe7 Nc4 25.Qe4 Qe4 26.Ne4 Ne3 27.Kc1 Be5 28.Re2 Nf5 29.Kc2 Rfc8 30.Ree1 h5 31.a4 Nd4 32.Kd3 Nb3 33.Rab1 d5 34.Nf2 Rc3 35.Ke2 Bg3 36.Rb2 Re8 37.Kf1 Re1 38.Ke1 f5 39.Ra2 f4 40.Rd2 d4 41.Rb2 f3 42.Rb1 g5 43.h4 g4 44.a5 Na5 45.Rb5 Nc4 46.Kd1 Bf2 47.Rg5 Kf7 48.Rf5 Ke6 49.Rb5 Be3 50.Rb1 Nb2! 51.Ke1 Nd3 52.Kf1 Ne5 53.Ra1 Kf5 54.Re1 Rc2 55.Re3 de3 56.Kg1 g3 57.Kf1 Rc1 0–1. Xin,Alex – Restrepo,Luis Fernando (2285), Internet Section, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    6.e5 Nd5 7.Ng5 (7.Be4 Nb6=) 7...de5-/+ 8.de5 h6 9.Nf7? (better is 9.Be4 hg5 10.Bd5-/+) 9...Kf7-+ 10.Qf3 Kg7 11.Bb2 e6 12.h4 Bc5 13.Qg4 Qe8 14.h5 g5 15.0-0 (15.Nd2 Qf7 16.Ne4 Bb6-+) 15...Nf4 16.Be2 Ne2 17.Qe2 Rf8 (17...b6 18.Rd1-+) 18.a3 ba3 19.Na3 (19.Ba3 Nd7-+) 19...Bd7 20.c4 a6 (20...Rf4 21.Nb5 Bb5 22.cb5-+) 21.Rad1 (21.Nb5 Bb5 (21...ab5?! 22.Ra8 Bc6 23.Ra5-+) 22.cb5 Rf5-+) 21...Bc6 22.Bc1 Nd7 23.Rd3 (23.Nc2 b5-+) 23...Qe7 24.Nc2 b5 25.Rg3 bc4 26.Be3 Be3 27.Re3 Bb5 (27...Nc5 28.Rc3 Bd5 29.Ne3-+) 28.Rc3 Rf5 29.Qe4 Rh8 (better is 29...Qe8 30.Qd4-+) 30.Nd4 Rhf8 (30...Re5?? 31.Qg6 Kf8 32.Rf3 Rf5 33.Nf5+-) 31.Nf5 ef5 32.Qd4 Qe5 33.Qd2 Nc5 34.Re3 Ne4 35.Qc2 Qc7 36.Rfe1 Rf7 37.f3 Nd6 38.Qc3 Kg8 39.Re6 Qc5 40.Kh2 Rg7 41.Qf6 Nf7 42.Re7 Qc6 43.Qf5 Qd6 44.Kh3?? g4! 45.Kh4 Qh2 0–1. Barros Tuapante,Daysi – Sanchez Ones,Yeny (2040), La Habana CUB, 2013. (=1.e4 c5 2.b4 cb4+= 3.d4 d6 4.Nf3 Nf6 5.Bd3 g6)

    6.e5 de5 7.de5 Ng8 8.Bb2 Bg7 9.0-0 Bg4 10.Nbd2 e6 11.Ne4 Qd5 12.Nd6 Ke7 13.Be4 Qd1 14.Rad1 Nc6 15.Bc6 bc6 16.Rd3 f6 17.Nd4 c5 18.Nc6 Kf8 19.f3 Bf5 20.Nf5 gf5 21.Rfd1 fe5?? 22.Rd8+- Rd8 23.Rd8 Kf7 24.Ne5 Ke7 25.Rd7 Kf8 26.Rg7! Kg7 27.Nd7 Kf7 28.Bh8 Ne7 29.Nc5 Nd5 30.Kf2 Nb6 31.Na6 Nc4 32.Bd4 e5 33.Ba7 f4 34.Nb4 Nb2 35.Nd3 Nd1 36.Ke1 Ne3 37.Be3 fe3 38.Ne5 Ke6 39.f4 Kd5 40.Ng4 Ke4 41.Ne3! Kf4 42.Ke2 Ke4 43.a4 Kd4 44.a5 Kc5 45.Nc4! Kb5 46.g4 h6 47.h4 Ka6 48.g5 hg5 49.h5 Kb5 50.h6 Kc4 51.a6 Kd4 52.a7 Ke4 53.a8Q Kf4 54.Qf3 Ke5 55.h7 g4 56.h8Q Ke6 57.Qe8 Kd6 58.Qfc6 1–0. Garret,Peter – Canamero Corredera,J (1660), XIII Open, Malaga ESP, 2010. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 g6)

    6.Bg5 Bg7 7.Nbd2 0-0 8.Nc4 d5 9.Ncd2 de4 10.Ne4 Ne4 11.Be4 Nc6 12.Bc6 bc6 13.Rb1 a5 14.0-0 Bg4 15.Be3 Qd5 16.h3 Bf3 17.Qf3 Qf3 18.gf3 Rfd8 19.Rfd1 Rd7 20.Rb3 Rad8 21.Rbd3 e5 22.de5 Rd3 23.cd3 Be5 24.d4?! c5! 25.d5 Bd4! 26.Kf1 Rd5 27.Ke2 f5 28.Bd4 cd4 29.Kd3 Kf7 30.Rc1 Ke6 31.Rc8 Ke5 32.Rc7 Kf4 33.Rh7 Kf3 34.Rg7 Rd6 35.Ra7 Kf2 36.Ra5 Kg3 37.Rb5 Kh3 38.Rb4 f4 39.Ke4 d3 40.Kf4 d2 41.Rb3 Kh4 42.Rb7 Rf6 43.Ke5-+ Rf5 (43...Rf5 44.Kd6 d1Q 45.Ke7 Qd4 46.Rb5 Rb5 47.a4 Rb7 48.Ke6 Rd7 49.a5 Qd6) 0–1. Moceri,P – Boyle,John, Lansing–ch MI op–B, 1993. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Nf6 5.Bd3 g6)

    6.h3 Bg7=+ 7.0-0 0-0 8.a3 ba3 9.Ba3 Nc6 10.d5 Nb8 11.Nbd2 Nbd7 12.Nb3 Nh5 13.Qd2 Ne5 14.Ne5=+ Be5 15.f4? Qb6-+ 16.Kh2? Nf4 17.Rf4 g5 18.Raf1 gf4 19.Rf4 f6 20.Kh1 Bf4 21.Qf4 Rf7 22.Bc1 Bd7 23.Be3 Qd8 24.Nd4 Kh8 25.Be2 Qg8 26.Bg4 Bg4 27.hg4 Qg5! 28.Qf3 Qh4 29.Kg1 Rg8 30.g5 Rg5 31.Bg5 Qg5 32.Ne6 Qc1 33.Kh2 Qh6 34.Kg1 Rg7! 35.Ng7 Kg7 36.Qg4 Qg5 37.Qd7 Qe3 38.Kh1 Qe4 39.Qb7 a5 40.Qb5 a4 41.c4 a3 42.Qb3 Qe1 43.Kh2 Qe5 44.Kh3 Qb2 45.Qg3 Kf7 46.Qe3 Ke8 47.c5 dc5 48.Qc5 Qb3 49.g3 Kf7 50.Qc6 Qe3 51.Qa6 Qh6 52.Kg2 Qd2 53.Kh3 Qe3 54.Qc4 h5 55.Qc2 Kg7 56.Qa4 Qf3 57.Kh2 Qe2 (57...Qe2 58.Kg1 a2-+) 0–1. Popovic,M (2405) – Miranovic,R (2380), Vojvodina Quality League m, 2006.

    6.0-0 Bg7

    7.Bb2 0-0 8.a3 ba3 9.Na3 Nc6 10.c3 a6 11.d5 Ne5 12.Ne5 de5 13.c4 Nd7 14.Nc2 Nc5 15.f4?? (better is 15.Ba3 Qc7 16.Qf3+=) 15...Qb6-+ (15...Nd3?! 16.Qd3 Qb6 17.Kh1 ef4 18.Bg7 Kg7 19.Rf4=) 16.fe5 (16.Rb1 Nd3 17.Bd4-+) 16...Nb3 (better is 16...Qb2 17.e6 Nd3 18.ef7 Rf7 19.Qd3 Qb6 20.Ne3 Ba1 21.Ra1 e5-+) 17.Kh1 Na1 18.Ba1 (18.Qa1!? Qb3 19.Ne1-/+) 18...Qc7-+ 19.e6 fe6 20.Rf8 Kf8 21.Bg7 Kg7 22.Qa1 Kg8 23.e5 (23.Ne3 Qf4 24.Qe1 b6-+) 23...ed5 24.cd5 Bf5 25.Bf5 gf5 26.Qa2 (26.Ne3 f4 27.Nf5-+) 26...Qe5 27.d6 e6 28.d7 Rd8 29.Qa4 (29.Qc4 Qd5 30.Qh4 Rd7-+) 29...Qe2 30.h3 (30.h4 Qg4 31.Qg4 fg4-+) 30...Qd1 31.Kh2 Qd7 32.Qh4 Qc7 33.Kh1 (33.Qg3 Qg3 34.Kg3-+) 33...Rd1 34.Ne1 Qe5 35.Qg5 Kh8 36.Qh6 Re1 0–1. Stone,Andrew (2250) – Jackson,Ross, NZL–ch Major op, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    7.Bb2 0-0 8.a3 ba3 9.Na3 d5 10.e5 Ne8 11.c4 Nc7 12.Qb3 Nc6 13.cd5 Nd5 14.Be4 Ncb4 15.Nc4 a5 16.Ba3 Be6 17.Ng5 Rc8 (17...Bf5 18.Bf5 gf5 19.Bb4 Nb4 20.Na5 Qd4 21.Ra4+/-) 18.Rac1?? (better is 18.Na5!? Qa5 19.Ne6 fe6 20.Bb4 Qb4 21.Bd5 Qb3 22.Bb3+/-) 18...Bh6 (18...Nf4!? 19.Ne6 Ne2 20.Kh1 Nc1 21.Rc1 fe6-+) 19.Ne6= fe6 20.Rcd1 b5+= 21.Qh3 Kg7 22.Ne3 Nc3 23.Ng4 Bf4 24.Bd3? Nd1 25.Bb4 ab4 26.Rd1 Rc1 (26...Rc1 27.Rc1 Bc1-+) 0–1. Egger,Thomas (2245) – Neuman,Petr (2425), Oberliga Bayern, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    7.Bd2 a5 8.a3 ba3 9.Ra3 0-0 10.Nc3 Nc6 11.Nb5 Bg4 (11...d5 12.e5 Ne4 13.Bf4+=) 12.h3= Bf3 13.Qf3 Nb4 14.c4 Nd3 15.Qd3 Nd7 16.f4 b6 17.e5 Nb8 18.Qe4 (18.Qf3 Na6 19.ed6 ed6=) 18...Ra6 (18...Na6 19.ed6 ed6 20.Qd5+=) 19.Be3 Qd7 20.Rb1 Rc8 21.Rc3 (21.ed6 ed6 22.Qd5 Bf8=) 21...Bf8 (21...Rc4 22.Rc4 d5=) 22.d5= Qf5 (22...Bg7!?=) 23.Qf5+= gf5 24.Bd4 (24.ed6 ed6 25.Bc1 Nd7+=) 24...h5 25.Rg3 Kh7 26.Rg5 Bh6 27.Rf5 (27.Rh5!? de5 28.Be5+=) 27...Kg6= 28.g4 hg4 (28...Rc4 29.ed6 ed6 30.Rf6 Kh7 31.Rf7 Kg6 32.g5 Kf7 33.Nd6 Kg8 34.Nc4+-) 29.hg4 de5 (29...Rc4 30.ed6 e5 31.de6 fe6 32.Rf6 Kh7 33.Re6+-) 30.Re5 Bf4 31.Re7 Rc4 32.Rf1 Kg5? 33.Re4 Rb4? 34.Ref4 Rb5 35.Rf5 Kg4 36.Kg2 (36.Kg2 Rb2 37.Bb2 a4 38.R1f4) 1–0. Karlsson,Jorgen – Richardsson,V, Karlskrona op, 1998. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    7.Nbd2 0-0 8.Rb1 a5 9.a3 ba3 10.Ba3 Re8 11.c3 Qc7 12.Rc1 (12.Qa4 Bg4+=) 12...Nfd7 (12...Bg4 13.h3 Bd7 14.c4+=) 13.Re1 Nc6 14.Nf1 b6 15.Re3 (better is 15.Ne3!?+=) 15...Bh6-+ 16.d5 (16.Qa4 Nf6-+) 16...Be3 17.Ne3 Nce5 18.Nd4 Nc5 19.Bc5 bc5 1–0. Vorland,David – Carlson,Curtis W, Golden Knights, 1971. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    7.Nbd2 0-0 8.Rb1 Nfd7 9.a3 (9.Qe1 Nb6=) 9...Nc6 (9...ba3 10.c3=+) 10.d5= ba3 11.Ba3 (11.dc6!? a2 12.cd7 (12.cb7? Bb7 13.Bb2 ab1R 14.Qb1 Bb2-+) 12...Bd7 13.Bb2 ab1R 14.Qb1=) 11...Nce5=+ 12.Be2 Nf3 13.Nf3 Nc5 14.e5 Qc7 15.Qd4 (15.ed6 Qd6 16.Ng5 Qc7-/+) 15...b6 16.ed6 ed6 17.Qh4 Re8 18.Bd3 Bb7 (better 18...Nd3 19.cd3 Bb7-/+) 19.Ng5? (better 19.Bc5 Qc5 20.c4-/+) 19...h6-+ (19...Bd5?! 20.Qh7 Kf8 21.Bb5-/+; 19...Nd3?! 20.Qh7 Kf8 21.cd3 Bd5 22.Rfe1-/+) 20.Ne4 Ne4 (20...Bd5 21.Nf6 Bf6 22.Qf6-+) 21.Be4 Qe7 22.Qe7 Re7 23.Bd3 Bd5 24.Bd6 Rd7 25.Ba3 Rc8 26.Rfd1 Be6 (26...Ba2 27.Rbc1-+) 27.h4 Bf6 28.g3 Kg7 29.Re1 Bc4 30.Be4 Rcd8 31.Kg2 Bd5 32.Bd5 Rd5 33.Be7 Be7 34.Re7 R5d7 35.Re3 Rc8 36.c3 h5 37.Ra1 Rc5 (37...a5 38.Ra4-+) 38.Rf3 (38.Ra6 Kf6-/+) 38...Rdc7 39.Ra6 Kf8 40.Rd3 Ke7 41.Rd2 (41.f3 R5c6-+) 41...Rc3-+ 42.Rda2 Kd6 43.Ra7 Ra7 44.Ra7 Rc7 45.Ra2 Rb7 46.Kf3 b5 47.Ke4 Kc5 48.Kd3 b4 49.Rc2 Kd5 50.f3 (50.Rb2 f6-+) 50...Ra7 51.Ke3 (better 51.Rd2-+) 51...b3 52.Rd2 (52.Rc8-+) 52...Kc4 53.g4 Rb7 0–1. Hoogendoorn,Joost (2280) – Van Beers,Eddy (2315), 1st Henk Verstappen sr Memorial, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    7.Qe1 a5 8.a3 ba3 9.Na3 0-0 10.h3 Nc6 11.c3 Ne8 12.Rb1 a4 13.Nc4 Ra6 14.Qe2 Na5 15.Na5 Ra5=+ 16.Ba3 Qc7 17.Bb4 Ra7 18.Ra1 Nf6 19.c4 Nd7 20.Ra3 Nb8 21.Bd2 Bd7 22.Be3 Na6 23.Rb1 Rc8 24.Qa2 Raa8 25.Nd2 Rab8 26.f4 Qa5 27.Rab3 Qc7 28.Rb6 e5 29.fe5 de5 30.d5 Bf8 31.Ra6? ba6-+ 32.Rb8 Qb8 33.Nf3 a3 34.Qf2 Qc7 35.Bb6?? Bc5 36.Bc5 Qc5 37.Bb1 Qf2 38.Kf2 Rc4 39.Ne5 Rb4 40.Nd7 Rb1 41.Nf6 Kf8 42.d6 a2 (42...a2 43.d7 Ke7 44.Nd5 Kd7-+) 0–1. Poltorzycki,Dzemil (1925) – Chlost,Marlena (2145), XXIV Int Tourn Police Poland, 2009.

    7.Re1 0-0 8.h3 Nc6 9.a3 Nd7 10.Bf1 e5 11.d5+= Nd4 12.Nd4 ed4 13.ab4 f5 14.ef5 Rf5 15.Bb2 Qf6 16.Nd2+/- Rf2 17.Ne4 Rf1 18.Rf1 Qe5 19.Qf3 Qd5 20.Rae1 b6?? 21.Nf6!!+- Nf6 22.Re8!! Bf8 23.Rf8! Kf8 24.Qd5 (24.Qd5 Bf5 25.Qa8 Kf7 26.g4+-) 1–0. Dueckstein,A (2330) – Spaan,N (2195), Open, Vienna AUT, 2003.

    7.a3 ba3

    8.Ra3 0-0 9.Bb2 Nc6 10.Nbd2 e5 11.Qa1 ed4 12.Nd4 Nd4 13.Bd4 a6 14.Rb1 Qe7 15.Nc4 Be6 16.Nd6 Exerts pressure on the backward pawn 16...Rab8 17.e5 Nd7 18.f4 f6 19.ef6 Bf6 20.Bf6 Nf6 21.Ne4 Ne4 22.Be4 Qc5 23.Kh1 Rf4 24.Re1 Rbf8 25.Bf3 Bd5 26.Ra5 b5 27.Bd5 Qd5 28.Ra6 Rf2 29.Rg1 b4 30.Ra7 R2f7 31.Rf7 Qf7 32.Qd4 Qf4 33.Qd5 Kg7 34.h3 Rf5 35.Qb7 Rf7 36.Qd5 Rc7 37.Rb1? Rc2-+ 38.Qd7 Kh6 39.Qe7 b3 (39...b3 40.Qe1 b2 41.Rb2 Rb2-+) 0–1. Kichinski,Robert – De Firmian,Nick E (2560), LERA Class–ch, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7 7.a3 ba3)

    8.Ra3 0-0 9.c4 Bg4 10.Bb2 Bf3 11.Qf3 Nc6 12.d5 Nb4 13.Bd4 Nd7 14.Bg7 Kg7 15.Be2 Qb6 16.Qf4 Qd4 17.Rh3 Kg8 18.Qh4 Nf6 19.Nc3 Rfc8 20.Rd1 Qb6 21.g4 g5 22.Qg5 Kh8 23.c5 Qc5 24.e5 Rg8 25.Qh4= de5 26.Ne4 Qc2 27.Nf6 ef6 28.Qf6 Rg7 29.Qe5 f6 30.Qe3 Rag8 31.Rc1 Qb2 32.Bf3 a5 33.Rh5 a4 34.d6 a3 35.Rc7?? Nc2?? 36.Qe4+/- Rg4 37.Bg4 Qb1 38.Kg2 Ne1 39.Kh3?? Qe4-+ 40.Bf5 0–1. Barrenechea Bahamonde,G (2215) – Alonso Garcia,R (2400), 36th Open Seville ESP, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    8.Ba3 0-0 9.Nbd2 Nc6 10.c3 Qc7 11.Re1 Re8 12.h3 Bd7 13.Bc4 (13.Qb3 Rec8+=) 13...Na5-/+ 14.Ba2 Qc3 15.Re3 Qc7 16.Rc1 Qd8 17.e5 de5 (17...Nh5!?-/+) 18.de5= Nh5 19.Ng5 (19.Rd3 Nf4 20.Rd4+/-) 19...e6-/+ 20.Qg4 Nc6 21.Nc4 (21.f4 Ne7 22.Be7 Re7-/+) 21...f5 22.ef6 Nf6 (22...Qf6 23.Rd1=) 23.Qg3 Nd5 24.Ree1 Ncb4 (24...Bc3!?-+) 25.Bb1-/+ Qf6 26.Nd6 Rf8 27.Nh7? (better is 27.Nb7 Bh6 28.Re5+=) 27...Kh7-+ 28.Bb2 Qf2 29.Qf2 Rf2 30.Kf2?? (better is 30.Bg7 Rd2 31.Be5+=) 30...Bb2-+ 31.Rc4 Rf8 32.Kg1 Rf4 33.Rf4 Nf4 34.Re4 Nbd3 35.Bd3 Nd3 36.Rc4 Bc6 37.Nb7 Ne5 38.Rh4 Kg7 39.Nc5 Kf6 40.Nb3 Bd5 41.Rb4 Nd3 42.Rb8 Be5 (42...Be5 43.Rd8 Ke7 44.Rd5 ed5-+) 0–1. Persson,Rune (1670) – Pedersen,Oyvind (1950), Tromsoe Bymesterskap–A, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7 7.a3 ba3)

    8.Ba3 0-0 9.Nbd2 Re8 10.c4 (10.Re1 a5-/+) 10...Nfd7 (10...Nh5 11.Qe1+=) 11.Nb3 (11.Bc2 Nf8-/+) 11...Nc6 (11...a5 12.Nc1-/+) 12.Rb1 (12.Bc2 a5-/+) 12...Qc7 13.Be2 (13.Re1 b6-/+) 13...b6 (13...Nf6 14.Qd3-/+) 14.e5 (14.h3 Bb7-/+) 14...de5 (14...a5!? 15.c5 de5 16.d5-/+) 15.d5 Nd8 16.Be7 Nc5 (better is 16...Qb8!? 17.d6 e4+=) 17.Bc5= bc5 (17...Bf5!? 18.Be3 Bb1 19.Qb1 Nb7=) 18.d6+/- Qc6 19.Na5 Qd7?? (better is 19...Qa6 20.d7 Rf8+/-) 20.Qd5+- e4 21.Qa8 ef3 (21...Bc3 22.Nb3 ef3 23.Bf3+-) 22.Bf3 Be5 23.Rb8 Ba6 24.Nc6 Bf6 25.Ne7! Kf8 26.Nd5 Qd6?? 27.Nf6 Qf6 28.Rd1 Ke7 29.Rbd8 (29.Rbd8 Qb6 30.Re8 Kf6 31.Qe4 Qc7 32.Rd7 Bc4 33.Rc7 Kg7 34.Qc4 h5 35.Rf7 Kh6 36.Rh8 Kg5 37.Qf4) 1–0. Diermair,Andreas (2195) – Bozinovic,Boban (2175), Graz op, 2002. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7)

    8.c4 0-0 9.h3 Nc6 10.Na3 b6 11.Nb5 Bb7 12.d5 Na5 13.Bb2 a6 14.Na3 e6 15.de6 fe6 16.Ng5 Qe7 17.Rb1 Nh5 18.Bg7 Ng7 19.Qc1 Nh5 20.h4 Nf4 21.Qe3 Nc6 22.Rfd1 Ne5-/+ 23.Bf1 h6-+ 24.Nh3 Nh3 25.Qh3 Be4 26.Rb6 Rf3!! 27.gf3 Nf3 28.Kh1 Ng5 29.Qg2 Bg2 30.Bg2 Ne4! 31.Rdd6 Qh4 (31...Qh4 32.Kg1 Qf2 33.Kh1 Qe1 34.Kh2 Qg3 35.Kg1 Nd6 36.Rd6 Qd6 37.Ba8 Qa3-+) 0–1. Basanta,G (2320) – Epishin,V (2665), 25th Paul Keres mem, Vancouver CAN, 2000.

    8.Na3 0-0

    9.Bb2 Bg4 10.Rb1 Qc7 11.c3 Nc6 12.Nc2 a6 13.Ne3 Bf3 14.Qf3 e5 15.d5 Ne7 (15...Na5 16.Ba1+=) 16.Bc4 (16.Ba3!?=) 16...Nd7 17.Ba2 (17.Bd3 b5-/+) 17...f5-/+ 18.ef5 gf5 (18...Nf5 19.Qe2-/+) 19.Nc4 (19.c4 Nc5-/+) 19...b5 20.Ne3 e4 21.Qh5 Ne5 22.Ba1 (22.c4 Nd3 (22...Nc4?! 23.Bg7 Kg7 24.Rfc1+=) 23.Bg7 Kg7-/+) 22...Rf6 (22...Nd3 23.c4-+) 23.Kh1 (23.Qe2 f4 24.Ng4 Ng4 25.Qg4 Raf8-/+) 23...Raf8 (23...Nd3 24.c4 Rg6 25.Bg7 Kg7 26.Qe2 bc4 27.f3-/+) 24.Nc2 (24.c4 Rh6 25.Qe2 bc4 26.Bc4 Nc4 27.Bg7 Kg7+=) 24...Rh6 25.Qg5 (25.Qe2 Ng4 26.h3 Bc3-/+) 25...N7g6 (25...Rg6 26.Qh4 Nd3 27.Nd4-+) 26.Nd4 (26.Nb4-/+) 26...Qf7 (better is 26...Qe7!? 27.Qe7 Ne7-+) 27.Ne6-/+ Nh4 28.Nf8+= Kf8 29.c4!+/- Nhf3 30.Qd8 Qe8 31.Qe8 Ke8 32.Be5 Be5 33.gf3 Rh2 34.Kg1 ef3 35.Rfe1 Rg2 36.Kf1 Rh2 37.Re5 de5 38.Kg1 Rg2 39.Kf1 Rh2 40.Ke1 e4-/+ 41.Rb3 f4 42.Bb1 Rh1 43.Kd2 e3 44.fe3 bc4 45.Rb8 Ke7 46.Ba2 Rh2 47.Kc3 Ra2 48.ef4 f2 49.Rb1 Kd6 50.Kd4 c3! 51.Kc3 Kd5 52.Kd3 h5 53.Ke3 h4 54.Kf3 h3 55.Rd1 Ke6 56.Kg3 h2 57.Rf1 Kf5 58.Kh2 Kf4 59.Kg2 Ke3 60.Rb1 Ke2 61.Rf1 Rd2 0–1. Minard,Didier – Lacoste,Alain, FRA AJEC34 corr, 1997. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7 7.a3 ba3)

    9.Bb2 Bg4 10.h3= Bd7 11.Qd2 Nc6 12.c4 a5 13.e5= Ne8 14.Nc2 a4 15.Rfd1 Na5 16.Qf4 f6 17.ed6 Nd6 18.Nd2 e5-/+ 19.Qg3 Nf5 20.Bf5= Bf5 21.Ne3 Bd3 22.de5=+ f5 23.Qf3+= Nc6 24.Nd5 Be5 25.Be5 Ne5 26.Qe3 Re8 27.f4 Nc4 28.Qd3 Nb2 29.Qb5 Nd1 30.Rd1 a3 31.Nf3 a2 32.Ra1 Rf8 33.Qb3+/- Ra5 34.Nc3 Kh8 35.Ra2 Ra2 36.Qa2 Qd6 37.Nd5 h6? 38.Ne5 Kg7 39.Qb3 Rb8 40.Ne3 Qf6 41.Nd7 Qa1 42.Kh2 Rd8 43.Ne5 Rf8 44.Qb7 Kg8 45.Nd5 Qa4 46.Ne7 Kh8 47.N7g6 Kg8 48.Qd5 Kg7 49.Qd6 (49.Qd6 Rf7 50.Qd8 Qe8 51.Qe8 Rf8 52.Qf8 Kh7 53.Qf7) 1–0. Coppens,Leon (2310) – Lorin,Fabrice (2255), Belgique–France–Pays Bas, 2007.

    9.c3 Nc6 10.d5 Nb8 11.Nb5 a6 12.Be3 Bg4 13.h3 Bf3 14.Qf3 Nbd7 15.Nd4 Ne5 16.Qe2 Nd3 17.Qd3 Nd7 18.f4 Nc5 19.Qc2 Qd7 20.g4 Rac8 21.Ra3 Rc7 22.f5 Qc8 23.h4 Nd7 24.fg6 hg6 25.Nf5?? (25.h5 Nf6 26.hg6 Qg4 27.Qg2 Qe4 28.Qe4 Ne4 29.gf7 Rf7 30.Rc1-+) 25...gf5-+ 26.gf5 Rc3 27.Qg2 (27.Rc3 Qc3 (27...Bc3?! 28.Rc1-+) 28.Qc3 Bc3-+) 27...Re3! 28.Re3 Qc5 29.Qg5? Kh7 30.f6 Nf6 31.Kh1 Qc8 32.Rf6 ef6 33.Qh5 Bh6 34.Rf3 Qc1 35.Kh2 Qc2 36.Kh3 Qe4 37.Rf1 Rg8 (37...Rg8 38.Qf3 Qf3 39.Rf3 Bg7-+) 0–1. Tribuiani,Renato – Messina,E, It (open), Formia (Italy), 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7 7.a3 ba3)

    9.Re1 Bg4 10.h3 Bf3 11.Qf3 Nc6 12.c3 Rc8 13.Nc2 a6 14.Bg5 Na5 15.Ra3 Nc4 16.Bc4 Rc4 17.Rb1 Qc8 18.Bf6 Bf6 19.Nb4 Re8 20.Nd5 Rc6 21.Nb6 Qd8 22.Nd5 Qc8 23.Nb6 Qb8 24.Nd5 Bg7 25.e5 Qc8 26.ed6 ed6 (worse 26...Rd6 27.Rb7 Rd7 28.Rd7 Qd7 29.Ra6+/-) 27.g4 h6 28.Kg2 (28.Nb6 Qd8 29.Rab3 Kh7=) 28...Re6=+ 29.Ra2 Qd7 30.Rab2 (30.Nb6!? Qe8 31.Nd5=) 30...b5=+ 31.Re2 Re2 32.Qe2 Rc4 33.Re1 Qe6 (33...Qc6 34.Qf3 Kf8+/-) 34.Qe6+/- fe6 35.Re6 a5 (35...Rc6!?+/-) 36.Rd6 b4 (36...Kf7 37.Rd7 Kg8 38.Ne7 Kh7 39.h4+-) 37.cb4 (37.Rg6 bc3 38.Ne3 c2 (38...Rd4? 39.Rg7 Kg7 40.Nf5 Kf6 41.Nd4+-) 39.Nc2 Rc2-+) 37...ab4 38.Rg6 Kf7 39.Rb6 Bf8 40.Rb7 Ke6 41.Nf4 Kd6 42.Rb6 Kc7 43.Rb5 (better 43.Rf6!? Bd6 44.Nd5 Kc6 45.Ne7 Kc7 46.Nf5+-) 43...Kc6+/- 44.Ra5 (44.Rf5 Bd6 45.d5 Kb5+/-) 44...b3 45.Ra1 b2 46.Rb1 Ba3 (46...Rd4? 47.Ne6 Rd6 48.Nf8+-) 47.Nd3 Rc1 48.Nc1 (better 48.Rb2!? Bb2 49.Nb2+/-) 48...bc1Q= 49.Rc1 Bc1 50.Kf3 Kd5 51.Kg3 Kd4 52.f4 Ke4 53.f5 Ke5 54.Kh4 Kf6 55.Kh5 Bd2 56.h4 Bc1 57.g5 hg5 58.hg5 Bg5 59.Kg4 Bc1 60.Kh5 Kf5 ½-½. Lana Rodriguez,D (2365) - Abarca Gonzalez,N (2410), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    9.Bg5 Bd7 10.Qd2 Qc7 11.Rfb1 a6 12.c4 e6 (12...Nc6 13.Nc2=) 13.Qf4 Nh5 14.Qh4 h6 15.Be3 (15.Bh6!? Bh6 16.g4=) 15...e5+= 16.g4 Bf6 17.Qh3 Qc8 18.Qg2 (18.Bh6?? Bg4 19.Qg2 Bh3 20.Bf8 Bg2-+) 18...Bg4 19.Bh6?? (better is 19.Bf1-/+) 19...Bh3-+ 20.Bf8 Bg2 21.Kg2 (21.Ne1 Bf3 22.Bh6 Qg4 23.Kf1 g5-+) 21...Nf4 (better is 21...Qg4 22.Kf1 Qf3 23.Kg1 Qd3 24.Bh6 Qe4 25.Bc1-+) 22.Kh1 Qg4 (better is 22...Nd3!? 23.Rb3 Nf2 24.Kg2 Ne4 25.de5 Qg4 26.Kf1 Qh3 27.Ke2 Qg2 28.Ke3-+) 23.Ne1 Kf8 (23...Nd3!? 24.Nd3 Qe4 25.Kg1 Kf8 26.de5 Be5 27.Ne5 de5 28.h3-+) 24.Bf1 ed4 25.Rb7 (25.Ra2 d3! 26.Rb3 Nc6-+) 25...Nh3 (25...d3 26.f3 Qh4 27.e5 Be5 28.Rab1-+) 26.Bg2 (26.Bh3 Qh3 27.Ng2 Nd7-+) 26...Be5 (26...Nf2!? 27.Kg1 d3 28.Rab1-+) 27.Nd3 Nf4 28.Nf4 Qf4 29.Kg1 Qh2 30.Kf1 d3 31.Rd1 Qf4 32.Rb3 Bd4 33.Kg1 Bf2 34.Kh1 Qh4 (34...Qh4 35.Bh3 Qh3) 0–1. Markgraf,Jonas – Wilms,Ralf, GER op U18 Germany, 1999. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.0-0 Bg7 7.a3 ba3)

    9.h3 Nc6 10.c3 b6 11.Bd2 Bb7 12.Rb1 d5 13.ed5 Nd5 14.c4 (14.Re1 Re8=) 14...Nc7+= 15.d5 Ne5 16.Ne5 Be5 17.Qe2 Bf6 18.Rfd1 Na6 19.Be3 Nc7 (19...Qd7 20.Bc2+=) 20.Be4 Qc8 (20...Qd7 21.Bf3=) 21.Bf4 (21.c5 bc5 22.Bc5 Ne6=) 21...Ne8 (21...Qd7 22.Bf3=) 22.Bf3 (22.Nb5!?+=) 22...Nd6+= 23.Bg4 Qc5 24.Rd3 (24.Nb5 Qc4 25.Bd6 Qe2 26.Be2 ed6 27.Nd6 Bc8+=) 24...Ba6 (24...Rfd8 25.Be3 Qa5 26.Qc2-/+) 25.Be3 Qc7 26.Nb5?? (better is 26.Rc1-/+) 26...Qc4-+ 27.Nd6 Qd3 (27...ed6?! 28.Rd2-+) 28.Qd3 Bd3 29.Rd1 ed6 (29...Ba6 30.Ne4 Be5 31.f4-+) 30.Rd3 Rfd8 31.Ra3 b5 32.Be2 (32.Ra6-+) 32...Rdc8 (better is 32...b4 33.Rd3 a5-+) 33.Bb5 Rc3 34.Ra6 Rb3 (34...Be5 35.Bf1-+) 35.Bc6 Rb1 36.Kh2 Rab8 37.Ra7 Be5 38.f4 (better is 38.g3!?-/+) 38...Bf6-+ 39.Rd7?? (39.Ra4 R8b2-+) 39...R1b3 (better is 39...Bh4 40.Ba4 Re8-+) 40.Bf2 Rd8 41.Rb7 (41.Rc7 Kg7-+) 41...Rb2 (41...Rb7 42.Bb7 Rb8 43.Bc6-+) 42.Bb6 (better is 42.Rb2 Bb2 43.Bb6-+) 42...Ra8 43.Be3 Rb7 44.Bb7 Re8 45.Bf2 h5 46.g4 (46.Ba6 h4-+) 46...Re2 47.Kg1 Re4 48.f5 (48.gh5 gh5 49.Kg2 Rf4-+) 48...gf5 49.Bc8 (49.gh5 Bd4 50.Ba6-+) 49...fg4 50.Bg4 (50.hg4 hg4 51.Kg2-+) 50...Bd4 (50...Bd4 51.Bh5 Rh4 52.Bd4 Rh5-+) 0–1. Podinic,Bojan (2285) – Nedeljkovic,Dragan (2120), Beograd SER, City Team Ch, 2014. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    6.a3 ba3

    7.Ra3 Bg7 8.Bg5 0-0 9.Qd2 Bg4 10.Qf4 Bf3 11.Qf3 Nc6 12.c3 e5 13.d5 Nb8 14.Qe3 a6 15.h4 h6 16.Bf6 Qf6 17.Nd2 Nd7 18.Nc4 b5 19.Na5 h5 20.c4 b4 21.Rb3 Nc5 22.Rb4 Bh6 23.Qe2 Rfb8 24.Rb8 Rb8 25.Nc6 Rb2! 26.Bc2 Qf4 27.0-0 Qh4 28.Rb1 Rb1 29.Bb1 Kg7 30.g3 Qg5 31.Qb2 h4 32.Kg2 Qg4 33.Ne5 de5 34.Qe5 Kg8 35.d6 h3 36.Kh2 Qf3 37.Kh3 Qh1 38.Kg4 f5 39.ef5 Qh5# 0–1. Husarik,B (2175) – Smith,Bry (2455), 10th Praha Open A, 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.a3 ba3)

    7.c4 Bg7 8.Ra3 0-0 9.0-0 Bg4 (9...Nc6 10.Nc3+=) 10.Nbd2 (10.Nc3!?=) 10...Nc6-/+ 11.h3 Bf3 (11...Bd7!?-/+) 12.Nf3= e5 13.Bb2 (13.d5 Nb4=) 13...Nd7+= 14.Qa1 Qe7 (14...Qc7 15.Rd1+=) 15.Rb3 (15.d5!? Nb4 16.Bb1=) 15...b6-/+ 16.Rd1 Rfc8 (better is 16...ed4 17.Nd4 Nd4 18.Bd4 Bd4 19.Qd4 Nc5-/+) 17.c5? (better is 17.Be2!?+=) 17...dc5-+ 18.Ba6 (18.d5 Nd4 19.Nd4 ed4-+) 18...ed4 19.Bc8 Rc8 20.Qa6 Rc7 21.Nd2 (21.Re1 Nde5 22.Ne5 Be5-+) 21...Na5 22.Rf3 (22.Rg3-+) 22...c4 23.Ba3 (23.Nc4 Nc4 24.Bd4 Qe4-+) 23...Qe6 (23...Qe5 24.Rb1 c3 25.Bc1-+) 24.Bb4 (24.Rg3 Be5 25.Rg5 c3-+) 24...Nc6 25.Ba3 (25.Qa3 Be5 26.Nb1 a5-+) 25...c3 26.Nc4 Ncb8 (26...Ncb8 27.Qb5 Rc4-+) 0–1. Sigurjonsson,Bjorn – Jakobsen,Ole, Nordic–ch Lidkoeping SWE, 1969. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3)

    7.0-0 Bg7

    8.Ra3 0-0 9.Qe2 Nc6 10.Rd1 Bg4 11.c3 e5 (11...d5 12.ed5 Qd5 13.Nbd2+=) 12.Be3 (12.d5!? Ne7 13.h3=) 12...d5-/+ 13.ed5 Nd4 (13...Qd5 14.c4 Bf3 15.gf3-/+ (15.cd5? Be2 16.Be2 Nd5-+)) 14.cd4 e4 15.Bc4 (15.Be4!? Ne4 16.h3 Bf3 17.Qf3 Qd5 18.Nd2-/+) 15...ef3 16.gf3 Bh3 17.Nc3 a6 18.Ne4 b5 19.Ba2 (19.Bb3 Nd5 20.Bg5 Qd7-/+) 19...Nd5-+ 20.Bg5 Qd7 21.Bd5 Qd5 22.Nf6 Bf6 23.Bf6 Rfc8 24.Re3 Rc6?? (24...Qf5 25.Bh4-+) 25.Re5 (25.Re8 Re8 26.Qe8) 25...Qc4?? (25...Qd7 26.Re7 Re6 27.Re6 fe6 28.Be5-+) 26.Qe4 Rcc8 27.Bg5 Qc2?? 28.Qe1?? Qb3 29.Re3 Qd5 30.Bh6 g5 (30...g5 31.Re5 Qd8 32.Rg5 Qg5 33.Bg5 Rc6+-) 0–1. Ditiatev,Sergey (2440) – Zhelnin,Vladimir V (2485), Kaluga op, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.a3 ba3)

    8.Ra3 0-0 9.Bg5 Nc6 10.c3 d5 11.e5 Ne4 12.Bh4 f6 13.c4 Nb4 14.Be2 g5 15.ef6 ef6 16.Bg3 Be6 17.Nbd2 Ng3-/+ 18.hg3 dc4 19.Bc4=+ Bc4 20.Nc4 Nd5 21.Ne3 Ne3-/+ 22.Re3 Qd5 23.Re7 b5 24.Rfe1 Rf7 25.Qc2 b4 26.Nd2 Bf8 27.Rf7 Qf7 28.d5 Qd5-+ 29.Ne4 Bg7 30.Rd1 b3 31.Qe2 Qe6 32.Qf3 Rb8 33.Nc5 Qf7 34.g4 b2 35.Qd3 Qa2 36.Rb1 f5! 37.gf5 Rc8 38.Nb3 a5 39.g3? a4 40.Nd2 Qf7 41.Kg2 Qb7 42.f3 g4 43.f6 gf3 44.Kh2 Bf6 45.Ne4 Qg7 46.Kh3 Be5 47.Qd5 Kh8 48.Qe6 Rf8 49.Rf1 a3 50.Kh2 a2! 51.Qa2 Qh6 52.Kg1 Bd4 53.Nf2 Qh3 54.Qa1 Qg2# 0–1. Kallio,H (2465) – Mosquera,M (2430), Capablanca Mem Premier, 2005.

    8.Ba3 0-0 9.c3 Qc7 10.h3 Be6 11.d5 Bd7 12.Ra2 (12.Re1 Rc8+=) 12...Na6 (12...Rc8!?-/+) 13.e5+= Ne8 14.Re1 (14.Ba6 ba6 15.Re1 Bb5+= (worse is 15...de5 16.Be7 Ba4 17.Qa4 Qe7 18.Rae2+=)) 14...Nc5 (worse is 14...de5 15.Be7 Ba4 16.Qa4 Qe7 17.Ba6 ba6 18.Nbd2+=) 15.Bf1 Ba4 16.Qd4 b5 17.Nbd2 Rc8 18.Qe3 de5 (better is 18...a6!?+=) 19.Ne5+= Nd6 (better is 19...Nf6!? 20.c4 Qb6+=) 20.Nc6+/- Nd7 (20...Ne6 21.Qa7 Qa7 22.Na7 Rc3 23.de6 fe6 24.Bd6 ed6 25.Nb5 Bb5 26.Bb5 Rd8+-) 21.Ne7+- Kh8 22.Nc8 Rc8 23.Qf4 Nc5 24.c4 a6 25.cb5 ab5 26.Qb4 Ndb7? 27.Bb5 Bb5 28.Qb5 Bc3 29.Bb2 Bb2 30.Rb2 Nd6 31.Qb6 Qd7 32.Rc2 Nd3 33.Rc8 Nc8 1–0. Braeunlin,Klaus – Holzschuh,Peter (2250), Verbandsliga Sued Baden, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3)

    8.Ba3 0-0 9.Nbd2 Nh5 10.Re1 Nc6 11.c3 a6 12.Nb3 Bg4 13.h3 Bd7 14.Qd2 Qc7 15.c4 b6 16.g4 Nf6 17.d5 Nd8 18.e5 Ne8 19.Bb2 de5 20.Be5= Qc8 21.Bg7+= Kg7 22.Re7 Bg4-/+ 23.Ne5 Bh3 24.c5 bc5-+ 25.Ra4 Nf6 26.Rh4= Nd5 27.Qh6 Kf6 28.Qf8 Ne7 29.Qh8 Ke6 30.Rh3 f6? 31.Ng4 Kd5 32.Nf6 Kc6 33.Qe8 Kb6 34.Qe7 Qh3 35.Nd5 Kc6 36.Qc5 Kd7 37.Qc7 Ke6 38.Nf4 (38.Nf4 Kf6 39.Nh3+-) 1–0. Del Rio Angelis,S (2510) – Andersson,Tom (2270), IV Open, Calvia ESP, 2007.

    8.Na3 0-0 9.c3 a6 10.Bg5 Bg4 (10...b6 11.Qe2=+) 11.Re1 (11.h3 Be6=) 11...Nc6 12.Nc2 Rc8 (12...d5 13.Bf6 Bf6 14.Ne3=) 13.Ne3= Bf3 14.Qf3 Na5 (14...Nb8 15.Ra3=) 15.Ra3+= Nc6 16.Nd5 Re8 17.h4 (17.Bf6 Bf6 18.Rb1 Rb8+=) 17...h5 (17...Nd5!? 18.ed5 Nb8=) 18.Rb1+= Nd5 19.ed5 Na5 20.g4 (20.Qe2!?+/-) 20...hg4+= 21.Qg4 Nc4 22.Ra2 (22.h5 Na3 23.hg6 Rf8+-) 22...Nb6 (22...Rc7 23.Rb4 b5 24.Ra6+/-) 23.c4 (23.h5 Nd5 24.hg6 Nf6 25.Bf6 ef6 26.gf7 Kf7 27.Bg6 Kg8 28.Be8 Rc7+-) 23...Nc4+= 24.Rb7 Nb6? (better 24...Na5 25.Rd7 Qb6=) 25.h5 Nd5 (25...Rc3 26.hg6 Rd3 27.gf7 Kf7 28.Qf5 Kg8 29.Qd3 Qc8+-) 26.hg6 fg6 (26...Rf8 27.Bf5 Rc7+-) 27.Qe6 (27.Qe6 Kh7 28.Qg6 Kg8 29.Bh6 Rc1 30.Kh2 Rh1 31.Kh1 e5 32.Qg7) 1-0. Gareev,T (2605) - Spagnoli,Benjamin (1740), 18th Nancy Rapid, 2020. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 Nf6 5.Bd3 g6)

    8.Na3 0-0 9.c3 b6 10.Bg5 Bb7 11.Re1 Nc6 12.Nc2 d5 13.e5 Ne4 14.Be4 de4 15.Re4 Rc8 (15...f6!? 16.ef6 ef6=+) 16.Rh4 Na5 17.Bh6 (17.Ra3 f6 18.ef6 ef6=) 17...Bh6=+ (worse 17...Rc3 18.Bg7 Bf3 19.Qd2 Rc2 20.Qc2 Kg7 21.gf3+=) 18.Rh6 Rc3 19.Qd2 (19.Nfe1!?-/+) 19...Qc7-+ 20.Rh3 f6 (20...Bf3 21.gf3 h5 (21...Rc2?? 22.Qh6 Rc1 23.Kg2 Rg1 24.Rg1 Rc8 25.Qh7 Kf8 26.Qh8) 22.Rh5 Rc8+/-) 21.Nce1-/+ Nb3 (21...Bd5!?-/+) 22.Qh6= Rf7 23.Rd1? (23.Ra7 Qc8=+) 23...Be4 (23...Bd5!?-/+) 24.d5 Bf5 (24...fe5 25.Ng5 Bc2 26.Nef3 Bd1 27.Nf7 Kf7 28.Ng5 Ke8 29.Ne6+-) 25.e6 Rg7 26.Rg3 (26.Rh4=+) 26...Rc1 (better 26...a5!?-/+) 27.Rc1= Nc1 (worse 27...Qc1 28.Qc1 Nc1 29.Nd4+-) 28.Nd4 Be4? (28...Qc4 29.Nf5 Ne2 30.Kh1 Ng3 31.Ng3 Qd5 32.Qe3=) 29.d6 (better 29.Qd2 Kh8 30.Rc3+-) 29...ed6+= 30.Qe3 (30.Qd2 Qc8+=) 30...d5 31.f3?? (better 31.Qd2 Qc8 32.Rc3+=) 31...Bb1-+ 32.Nf5?? (better 32.f4-+) 32...Bf5 (32...gf5?? 33.e7 Qe7 34.Qe7 Rg3 35.hg3+-) 33.h4 (33.Kf2 Re7 34.f4 Re6-+) 33...d4 34.Qf2 Qg3! 35.Qe2 (35.Qg3 Ne2 Double attack (35...Ne2 Decoy)) 35…Ne2 (35...Ne2 36.Kf1 Nf4 37.h5 Bd3 38.Kg1 gh5 39.e7 Qe1 40.Kh2 Rg2) 0-1. Rozman,Levy (2340) - Yilmaz,M (2630), Titled Tuesday, 2021. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    8.Na3 0-0 9.Re1 d5 (9...Nc6 10.Bd2+=) 10.e5= Ne8 11.Bg5 (11.c4 Nc7=) 11...Nc6 12.Qd2 (12.c4 Nc7+=) 12...Nc7 13.Bh6 Bg4 14.c3 (14.Nh4 e6 15.g3 Bh6 16.Qh6 A) worse is 16...Nd4 17.Qf4 Ne2 18.Be2 (18.Re2 Be2 19.Be2 g5+=) 18...Be2 19.Re2+=; B) 16...a5+=) 14...Bf3-/+ 15.gf3 e6 (15...Qd7 16.Be3-/+) 16.Reb1 b6 17.Nb5 (17.Nc2 f6 18.Bg7 Kg7-/+) 17...f6 18.ef6 Bh6 19.Qh6 Rf6 20.Kh1? (20.Qe3 a5-/+) 20...Ne8 (better is 20...Rf3!? 21.Bg6 hg6 22.Qg6 Kf8-/+) 21.Rg1 Ng7 (21...Rf3 22.Bg6 Qf6 23.Bf5 Kf7 24.Qh7 Qg7 25.Rg7 Ng7 26.Rg1 Rg8 27.Be6 Ke7 28.Bg8 Kf8 29.Qg7 Ke8 30.Re1 Re3 31.Re3 Ne5 32.Re5 Kd8 33.Qc7) 22.Rg3 Rf5! 23.Rag1 (23.Bf5 Nf5 Double attack) 23...Rh5 24.Qf4 e5 25.Qg4 Rh4 26.Qg5 Qg5 (26...ed4?! 27.Bg6 Qg5 28.Rg5 hg6 29.Rg6 dc3 30.Rc6=) 27.Rg5 Ne6 (better is 27...Kf7 28.Bg6 hg6 29.Nd6 Ke7 30.Rg6 ed4 31.Rg7 Kd6 32.R1g6 Kc5-+) 28.Rf5? (better is 28.Rg6 hg6 29.Rg6 Kf7 30.Nd6 Ke7 31.Nf5 Kd7 32.Nh4 ed4 33.cd4 Ncd4 34.Nf5-/+) 28...Nf4-+ 29.Bc2 Ne2 30.Rgg5 ed4 31.Rf6 Rc8 (31...Na5 32.Rd5 dc3 33.Rd3-+) 32.Bg6 hg6 33.Rfg6 Kh7 (better is 33...Kh8!? 34.Nd6 Rf8-+) 34.Nd6-/+ Rf8 35.Nf5 Rf5 (35...Rh3!? 36.Rc6 d3 37.Rc7 Kh8-/+) 36.Rg7= Kh8 37.Rg8 Kh7 38.R8g7 Kh8 ½–½. Wikner,A (2280) – Nilsson,S (2320), TCh–SWE Elitserien, 2014. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.0-0 Bg7)

    8.c3 0-0 9.Bg5 Nc6 10.Nbd2 b6 11.Ra3 Bb7 12.Re1 Qc7 13.Nf1 Na5 14.Ng3 Nc4 15.Ra2 b5 16.Qc1 a6 17.Bh6 e6 18.Bg7 Kg7 19.Rae2 Rfc8 20.e5 (20.Bc4!? Qc4 21.Qf4-/+) 20...de5 21.de5 Ng8 (21...Nd7 22.Be4-+) 22.Nd4 Qe7 23.Qf4 Nb6 24.Qg4 (better 24.Rc2!?=+) 24...Nh6-+ (24...Rc3? 25.Ngf5 ef5 26.Nf5 Kh8 27.Ne7 Ne7 28.e6+-) 25.Nh5 Kh8 26.Qf4 Ng8 (26...gh5?? 27.Qh6 f5 28.ef6+-; 26...Rc3 27.Qh6 Qf8 28.Qd2 Rd3 29.Qd3 gh5 30.Qe3+=) 27.Nf6 Nf6 28.ef6 Nd5 29.Qd2 Qf6 30.Be4 Rc4 31.Nf3 Rd8 32.Qh6 Qg7 33.Qg5 f6 34.Qd2 e5 35.Re3 Qh6 36.Qd1 Rc7 37.Rd3 Rcd7 38.Qb3 (38.Qa1 Qf4-+) 38...Qf8 (38...f5!? 39.Bd5 Bd5 40.Qb2 Bf3 41.Rf3-+) 39.Red1 Qc5 40.Qc2? (40.Re1 a5-+) 40...Bc6 (40...Ne3 41.fe3 Be4 42.Rd7 Rd7 43.Qe2 Rd1 44.Qd1 Qe3 45.Kh1-+) 41.h4 (41.Nd2-+) 41...Ne3 42.Rd7 Rd7 (42...Nc2? 43.Rd8 Kg7 44.Rc8+-; worse 42...Bd7 43.fe3 Kg7 44.Rd3+-) 43.Rd7 (43.fe3 Qe3 44.Kh2 Be4 45.Qc1 Qc1 46.Rc1-+) 43...Nc2 (43...Bd7?! 44.fe3 Qe3 45.Kh2=+) 44.Rc7 (44.Rd8 Kg7 45.Bc2 Qc3-+) 44...Nb4 (44...Be4?! 45.Rc5 Bf3 46.gf3=+; 44...Qc3 45.Rc6 Qa1 46.Kh2-+) 45.Rc8 Kg7 46.Rc7 Kf8 0–1. Gareev,T (2580) – Alekseev,Evgeny (2620), Chigorin Memorial (7), 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.0-0 Bg7)

    8.h3 0-0 9.Bg5 Nc6 10.Nc3 Nd7 (10...Nh5!?+=) 11.Nd5= h6 12.Bh4? (12.Be3 Nb6=) 12...Nb6 (better is 12...g5!? 13.Bg3 Nd4 14.Ra3 Nf3 15.Qf3 Nc5-/+) 13.c3= Bd7 (13...Be6!? 14.Qb3 f5 15.Ra3 fe4 16.Be4 Nd5 17.Bd5 Bd5 18.Qd5 Kh7=) 14.Ra3+= Re8 15.Re1 (15.Qb3 Nd5 16.ed5 Na5=) 15...Rc8 (15...g5 16.Bg3=) 16.Re3 (16.Qa1 Be6 17.Nb6 ab6+= (17...Qb6? 18.Rb1 Qc7 19.d5+-)) 16...Nd5 (16...g5 17.Bg3+=) 17.ed5 Na5 18.Nd2 (18.Qb1 b6=) 18...Bf6 (18...f5 19.Qa1 b6 20.Bg3=) 19.Bg3 b6 20.Qf3 Rc7 (20...Qc7 21.h4=) 21.Bf4 Bg7 22.c4 (22.Qe2 Qc8 23.Re7 Re7 24.Qe7 Bf8+=) 22...e5 (22...Bd4 23.Bh6 Bf6=) 23.de6+= Re6 (worse is 23...Be6 24.d5 Bc8 25.Re8 Qe8 26.Bd6+=) 24.d5 Re3 25.Qe3 Qf8 (25...Bc8 26.Ne4 Re7 27.Qc1+= (27.Bd6? Re4 28.Qe4 Qd6 29.Qe8 Qf8 30.Qf8 Bf8-+)) 26.Ra5 (26.Qg3 Be5=) 26...ba5= 27.Ne4 Exerts pressure on the isolated pawn 27...a4 (27...Qd8 28.Nd6 a4 29.c5+= (worse is 29.Bh6 Bh6 30.Qh6 Qf6-/+)) 28.Bd6 Qd8 29.c5 a3 30.Bc4 Bf5? (30...Bb5 31.Ba2 (31.Bb5?? a2 32.Qa3 a1Q 33.Qa1 Ba1-+; 31.Bc7 Qc7 32.d6 Qb7=) 31...Re7 32.Be7 Qe7 33.d6=) 31.Ng3 (31.Bc7!? Qc7 32.d6 Qd7+-) 31...Rd7 (31...Rb7 32.Nf5 Rb1 33.Kh2 gf5 34.Qa3=) 32.Nf5+/- gf5 33.Qa3 Rd6 34.cd6 Be5 35.Qa7 Qd6 36.Qe3 Kg7 37.Qf3 f4 38.Bd3 Qf6 39.Qe4 (39.Be4 Bd4+/-) 39...Bd6 40.Kf1 (40.Bf1!?+/-) 40...Qa1= 41.Bb1 Qf6 (41...Kf8 42.Qe1=) 42.Qh7 (42.Qd3 Kf8+=) 42...Kf8= 43.Qd3 Kg7 (43...Bc5!?=) 44.Qe4 (44.Qd1 Qc3+=) 44...Kf8 ½–½. Gareev,T (2600) – Kamsky,Gata (2680), ch–USA, 2015. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 Nf6 5.Bd3 g6 6.a3 ba3)

    7.Na3 Bg7

    8.0-0 Bg4 9.Bb2 0-0 10.h3 Bf3 11.Qf3 Nfd7 12.Nc4 Nc6 13.c3 b5 14.Nd2 b4 (14...a6 15.Ra3+=) 15.Qe3 a5 16.Bb5 Qb6 17.Bc6 (17.Ba4 Rfc8 18.Rfc1 Qd8=) 17...Qc6+= 18.cb4 ab4 19.Rac1 Qb7 20.Rb1 Rfc8 21.e5 (21.d5 Bb2 22.Rb2 Ra4+=) 21...d5 (21...Qd5 22.Rfe1-/+) 22.e6 Nb6 23.ef7 Kf7 24.Rfe1 Nc4 (24...Bf6 25.Nf3-/+) 25.Qe6+= Kf8 26.Nc4 (26.Bc3 Nd2 27.Rb4 Nf3 28.gf3 Qc7=) 26...dc4-/+ 27.d5 c3 28.Bc1 Ra6 29.Qe4? (better is 29.Qg4 Rb6 30.Rb3-/+) 29...b3-+ 30.Bg5 Rc7?? (better is 30...Kg8 31.Qd3 Ra5 32.Re7 Qd5-+) 31.Qf4 (31.Rb3 Qb3 32.Qf4 Bf6 33.Qc7 Bg5 34.Qc8 Kg7 35.Qa6 c2 36.Qa1 Kh6+=) 31...Kg8 32.Rb3+/- Qa7 33.Qe4 Qd4?? 34.Rb8+- Kf7 35.Qf3 Rf6 36.Qg3?? Rd7 37.Bf6+/- Bf6 38.Rc8 Rd5 39.Qb8 Rf5 40.Rf1 Be5 41.Qb3+- Kg7 42.Rc4 Qd3= 43.Qb4 Kf7 44.Qb3 Kg7= 45.Rc6 Bf6 46.Rc8 Rg5 47.Qe6 Qf3 48.Qg8 Kh6 49.Qf8 Kh5 50.g4 Rg4 51.hg4 Qg4 52.Kh1 Qh3 53.Kg1 Be5 54.f4?? Bd4-+ 55.Rf2 Qg3 56.Kh1 Bf2 57.Rc5 Bc5 58.Qf5 gf5 ½–½. Fischer,Manfred (1775) – Bauer,Timo (1635), Frankfurt–ch, 2005. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7)

    8.c3 0-0 9.0-0 Nc6 10.Nc4 d5 11.ed5 Nd5 (worse is 11...Qd5 12.Nb6 ab6 13.Ra8+/-) 12.Qb3 (12.Bd2 Bg4+=) 12...Nc7 (better is 12...Nc3!? 13.Be3 Nd5-+) 13.Ne3 e6 (13...b5 14.Be4 Bb7 15.d5+=) 14.Qc2 (14.Be4 Qd7=) 14...b6 15.Ng4 Bb7 16.Nh6 Bh6 (16...Kh8!?+=) 17.Bh6= Re8 18.Rfe1 a6 19.h4 (19.Qb2!? b5 20.Be4=) 19...Ne7+= 20.Bg5 (20.Qe2!?+=) 20...Bf3-/+ 21.gf3 Qd6 22.Re5 (22.Be4 Ra7-/+) 22...Ned5 23.Bh6 b5 24.h5 Ne7 25.hg6 fg6 26.Rg5 (26.Be4 Ncd5-/+) 26...Nf5 (26...Ncd5!? 27.c4 Nb4 28.Qc3 Nd3 29.d5-+) 27.Bf5-/+ ef5 28.Qf5 a5 (28...Rad8 29.Qc2-/+) 29.Kh1 (29.Qd3!?-/+) 29...a4-+ 30.Rag1 Re6 31.Qc5 (31.Kg2 a3-+) 31...Qc6 (31...Kf7 32.Rf5 gf5 33.Qf5 Ke8 34.Rg8 Kd7 35.Ra8-/+) 32.Rf5 Rf6?? (better is 32...Qc5 33.Rc5 Re7-+) 33.Qe7+- Ne8 (33...Ne6 34.Rf6 Qe8+-) 34.Qf8!! (34.Qf8 Rf8 35.Rf8) 1–0. Olle Castillo,Salomon (1950) – Gonzalez Martinez,Ferran (1885), Catalunya–chB, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7)

    8.c3 0-0 9.h4 e5 10.Bg5 h5 (10...h6 11.Bf6 Qf6 12.Nc4+=) 11.Nc4 (11.0-0 Bg4=) 11...Nc6 (11...ed4 12.cd4 d5 13.ed5 Re8 14.Ne3+=) 12.Qd2 (12.d5 Nb8=) 12...Qc7 (12...ed4 13.cd4 d5 14.ed5 Re8 15.Be2+=) 13.Rc1 (13.d5 Nb8 14.Na3 Bd7+=) 13...Bg4 14.Bh6 (better is 14.d5!? Bf3 15.gf3-/+) 14...Bf3-+ 15.Bg7 Kg7 (15...Ne4?? 16.Qh6 f5 17.Qh8 (17.gf3?! Qg7 18.Qg7 Kg7 19.fe4 ed4 20.cd4 fe4 21.Be4 Rf4+/-) 17...Kf7 18.Bf8+-) 16.gf3 d5 (16...ed4 17.cd4 Nd4 18.Qb2-+) 17.ed5 (17.de5 Ne5 18.Ne5 Qe5-/+) 17...Nd5-+ 18.Rg1 (18.Be4 Rad8-+) 18...ed4 19.Be4 (19.cd4 Qh2 (worse is 19...Nd4 20.Be4+=) 20.Rf1 Rfe8 (20...Nd4?! 21.Be4=) 21.Kd1 Qh3-+ (21...Qh4?! 22.Nd6 Qd4 23.Ne8 Re8 24.Re1 Re1 25.Ke1-+)) 19...Rfe8 (19...Qh2 20.Kf1 Qh3 21.Rg2-+) 20.Kf1 Nf6 21.cd4 Ne4 22.fe4 Re4 23.Ne3 Qf4 24.d5 Ne5 25.Qc3 Kh7 26.Rd1 Nd7 (26...Qh4 27.Rg3-+) 27.d6 Rae8 28.Rg3 Qh4 29.Nf5 (29.Qb3 Rf4 30.Kg1 Nc5-+) 29...Qf6 30.Ne7 Qc3 (30...h4!? 31.Rf3 Qc3 32.Rc3-+) 31.Rc3 Rd8 32.Rc7 Nb6 33.Rb7 Re6 34.Nc6 Red6 35.Rd6 Rd6 36.Rf7 0–1. Ax,Paul – Preuss,Manfred, Bergisch Gladbach–ch, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7)

    8.c4 0-0 9.0-0 Bg4 10.Be3 Nc6 11.Nc2 Nd7 12.h3 Bf3-/+ 13.Qf3 e5 14.d5 Nd4 15.Nd4 ed4 16.Bf4 Nc5 17.Qg3 Re8 18.Bd6? Nd3-+ 19.Bc7 Qd7 20.d6 Nc5 21.f3 Be5 (21...Be5 22.Qg4 Ne6-+) 0–1. Vinal Gutierrez,Pedro (2165) – Arjona Martinez,S (1985), XVI Magistral Open, Pamplona ESP, 2006.

    8.Be3 Nc6 9.h3 0-0 10.0-0 d5 11.e5 Ne4 12.Be4 (12.c4 Bf5+=) 12...de4-/+ 13.Nd2 (better is 13.Ne1!?-/+) 13...Nd4-+ 14.c3 Nf5 15.Bf4 Qd5 16.c4 Qd4 17.Re1 e3 18.Be3 (18.fe3 Qd7-+) 18...Ne3 19.Re3 Be5 20.Nc2 Qd6 21.Rb1 Bh2 22.Kf1 Be6 (22...Rd8 23.Ne1-+) 23.Nf3? (23.Qe2-+) 23...Qd1 24.Rd1 Bc4 25.Ke1 Bd6 26.Ne5 Bb4 (better is 26...b5-+) 27.Nb4+= b5 (27...Be6 28.Nbd3+=) 28.Rc1 (28.Nc4 bc4 29.Nc6 a5+/-) 28...a5 (28...Rfc8 29.Nc4 e6 30.Nd3 Rc4 31.Rc4 bc4 32.Nb2+/-) 29.Nc4 bc4 30.Na2 Rfc8+/- 31.Re7 Rc6 32.Re5 a4 33.Rb5 Re8 34.Kf1+- Ra8 35.Rb4 a3 36.Rbc4 Rb6 37.Ke1 Rb2 38.R4c2 Rc2 39.Rc2 Re8 40.Kf1 Rd8 41.Ke1 Re8 42.Kf1 Rd8 43.Ke1?? Re8 44.Kf1?? Rd8= 45.Ke1 ½–½. Vereschagina,Anna – Tikhoniuk,Anastasiya, UKR–ch U10 Girls, 2009. (=1.e4 c5 2.b4 d6 3.Nf3 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7)

    8.h3 0-0 9.0-0 Nc6 10.c3 Bd7 11.Bg5 a6 12.Qd2 b5 13.Nc2 Na5 14.Rfb1 Nc4 15.Qf4 Nb6 16.Qh4 Rc8 (16...Qc7 17.Rb3+=) 17.Rb3 Na4 18.Raa3 Be6 19.d5 Bd7 20.Be3 Be8 21.Nb4 (better is 21.Bd4!?+=) 21...Nc5-/+ 22.Rb1 a5 23.Bc5 dc5 (23...Rc5?! 24.Na6 Rc8 25.Bb5=) 24.Nc2 e6 25.Bb5 ed5 26.ed5 Bb5 27.Rb5 Nd5 28.Qd8 Rfd8 29.c4 Nb4 30.Ne3 Nc6 31.Nd5 Rb8 32.Rc5 Bf8 33.Raa5 Na5 34.Ra5 Rb1 35.Kh2 Bd6 36.g3 Rc1 37.Ne3 Rc8 38.Rd5 Bc5 39.Nd4 Kf8 40.Kg2 Bb4 41.Kf3 Rc3 42.Kf4 Bc5 43.Ndc2 Be7 44.Rd4 Rd8 45.Rd8 Bd8 46.Ke4 h5 47.Nb4 h4 48.g4 Rc1 49.Kf3 Bg5 50.Nbd5 Ke8 51.Kg2 Be3 52.Ne3 Kd7 53.g5 Ke6 54.Kf3 Rg1 55.Kf4 f6 56.gf6 g5 57.Ke4 Kf6 58.c5 Ke6 59.f4 gf4 60.Kf4 Rg3 61.Nf5 Rh3 62.Kg4 Rc3 63.Nh4 Rc5 64.Nf3 Rc4 65.Kg5 Re4 66.Nh2 Re3 67.Kf4 Ra3 68.Nf3 Kd5 69.Ng5 Ra4 70.Kf5 Ra7 71.Kf4 ½–½. Ezsol,Miklos (2285) – Kovacs,Elod (2240), HUN–chT2, 1994. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7)

    8.0-0 0-0

    9.Bb2 Nc6 10.d5 Nb8 11.Re1 Nbd7 12.c4 Nc5 13.e5 Ng4 14.Bd4 Ne5=+ 15.Ne5 Be5 16.Re5 Nd3-/+ 17.Re3 Nc5 18.Qe1 Re8 19.f4 Bf5-/+ 20.h3 h5 21.g4 hg4-+ 22.hg4 Bg4 23.Ra2 Bh5 24.Rg2 e6 25.Rh3 ed5?? 26.Qd1?? Kf8-+ 27.Rh5 gh5 28.Qh5 Ke7 29.Qf5 Ne4 30.Rg7 Rf8 31.cd5 Ke8 32.Qe4+/- Qe7 33.Nb5 Qe4 34.Nd6+- Kd7 35.Ne4 a5 36.Bc5 a4 37.Ba3 Kc7 38.Kf2 Rh8 39.Rf7 Kb6 40.Nd6 Ka6 41.Rb7 Rh2 42.Kg3 (42.Kg3 Rh6 43.Rg7+-) 1–0. Hynes,Wayne (2420) – Rotaru,Dan, KE64 Canadian Championship (CCCA), 2008.

    9.c3 Nbd7 10.Qe2 a6 11.e5 (11.Re1 b6+=) 11...de5-/+ 12.de5 Nd5 13.e6? (better is 13.Bd2!?-/+) 13...Nc3-+ 14.ef7 Kh8 15.Qc2 Nc5 16.Bg6 hg6 17.Qg6 Qd3 18.Qh5 Qh7 19.Qc5 Ne2 20.Kh1 Ba1 21.Ng5?? (better is 21.Qe7 Qf7 22.Qe2-/+) 21...Qg7 (better is 21...Qd3 22.Qc4 Bf5 23.Be3 Qc4 24.Nc4-+) 22.Qc4 Nd4 23.Nc2 Nf5?? 24.Na1= Qa1 25.Qb3? Qg7+- 26.Bb2 e5 27.f4?? Nd4-/+ 28.Qg3 Rf7 29.Nf7 Qf7 30.Qh4 Kg7 31.Qg5+= Kh7 32.Qe5 Nf5 33.Rf3 Be6 34.h3?? Rd8 35.Kh2 Nh6 36.f5? Bf5-+ 37.Rg3 Rg8 38.Rg8 Ng8?? 39.Qh8 Kg6 40.h4?? Qc7 41.Be5 Qh7 42.Qh7 Kh7 43.Kg3 Be4 44.Kf2 Nh6 45.Bc7 Kg6 46.g3 Kf5 47.Ke3 Bc6 48.Kd4 Kg4 49.Ke3 Nf5 50.Kf2 b5 0–1. Vogiatzis,Dimitrios (1965) – Basting,Steffen (1930), Mittelfranken–chT, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7)

    9.c4 Nc6 10.Rb1 e5 11.d5 Nb8 12.Ne1 (12.Nb5 Na6+=) 12...Nbd7 13.f3 Nc5 14.Bc2 a6 15.Bd2 b6 16.Nd3 Nd3 17.Bd3 Nd7 18.Rf2 f5 19.Be3 Nc5 20.Rfb2 Rb8 (20...Nd3?! 21.Qd3 b5 22.cb5 ab5 23.Nb5 (worse is 23.Rb5 Ba6-/+) 23...fe4 24.fe4+= (worse is 24.Qe4 Bf5 25.Qb4 Bb1 26.Rb1 Ra6-/+)) 21.Qd2 Qc7 (21...Nd3?! 22.Qd3 fe4 23.fe4+=) 22.Nc2 Bd7 (22...Nd3?! 23.Qd3 Qf7 24.Bb6 fe4 25.fe4= (worse is 25.Qe4 Bf5 26.Qe3 Rbc8-/+)) 23.Na3 f4 (23...Nd3?! 24.Qd3 fe4 25.fe4+=) 24.Bf2 g5 (worse is 24...Nd3 25.Qd3 Rf6 26.Bb6+=) 25.Be2 g4! 26.Rb4 Rf6 27.Bd1 Rg6 28.Bc5 Qc5 29.Qf2 g3 30.Qc5 dc5 31.R4b2 gh2 32.Kh2 Kf8 33.Be2 Ke7 34.Nc2 b5! 35.cb5 Rh6 36.Kg1 ab5 37.Ra1 Rhb6-+ 38.Ra5 c4 39.Kf2 Rc8 40.Nb4 Kd8 41.Ke1 Bf8 42.Kd1 c3 (42...c3 43.Rb3 Bb4 44.Rb4 c2 45.Kc1 Rh6-+) 0–1. Burgess,Otis (2010) – Waite,Daniel J (2065), USA–ch15 prel, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7 8.0-0 0-0)

    9.c4 Nc6 10.h3 b6 11.Be3 Bb7 12.Nb5 Nb4 13.Nc3 Nd3 14.Qd3 Qc7 15.Nd2 Bc6 16.f3 Rfc8 17.Rfc1 e5 18.d5 Bd7 19.Rcb1 Nh5 20.Ra2 Nf4-/+ 21.Qf1 f5 22.g3? Nh3!-+ 23.Kh2 f4 24.Bf2 fg3 25.Bg3 Bh6 26.Nb5 Qb8 27.Qd3 Bf4 28.Bf4 Nf4 29.Qf1 Rf8 30.Qf2 Rf6 31.Nc3 g5 32.Qg3 Rh6 (32...Rh6 33.Kg1 Qc7-+) 0–1. Vinal Gutierrez,Pedro – Balado Saez,S (2260), Open, Pamplona ESP, 2004.

    9.Re1 Nc6 +=.

    9.e5 de5 10.de5 Nd5 11.Be4 (11.c4 Nb4 12.Be4 Nd7-/+) 11...Nc3-/+ 12.Qe1 Ne4 13.Qe4 Nc6 14.Bf4 Bf5 15.Qe3 Qd5 16.Rab1 b6 17.Rb5 Qe4 18.Qc1 Nd4 19.Nd4 Qd4 20.Rd1 Qc3 21.Rb3 Qc6 22.Qe3 Rfd8 (22...Bc2 23.Rc1+/-) 23.Re1 Rd7 (23...Bc2 24.Rc3 Qe4 25.Nc2 (25.Qe4? Be4 26.Rc7 Bf5-+; worse is 25.Rc2 Qe3 26.fe3 h6+=) 25...Qe3 26.Ne3+/- (26.Be3?! Be5 27.Rc6 Bf6=)) 24.h3 Rad8 (24...Bc2 25.Rc3 Qe4 26.Qc1 Qe1 27.Qe1+/-) 25.Kh2 Qd5 (25...Bc2 26.Rc3 Qe4 27.Qc1+/-) 26.Bg5 Rc8 27.Re2 Rc5 28.Bf4 Qc6 29.c4 Be6 30.Rd3 Bc4 31.Rd7 Qd7 32.Nc4 Rc4 33.Rd2 Qe8 34.e6-/+ Rc3 35.Qe4 h6 36.Rd7 g5 37.ef7 Qf7+= 38.Rd8 Bf8 39.Bd2 Rc7 40.Qe5 Rc5 41.Qe4 Qf6 42.Kg1 a5 43.g3 Qf5 44.Qe7 Rc2?? 45.Be3 b5?? 46.Bd4+- Qf7 47.Qe5 Rc1 48.Kh2 Qb7 49.Qh8 Kf7 50.Qh7 (50.Qh7 Bg7 51.Qg7 Ke6 52.Qf6; 50.Qf8 Kg6 51.Rd6 Kh7 52.Rh6) 1–0. Zucker,Stefan (1715) – Wickert,Detlef (2000), Niedersachsen–ch, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7 8.0-0 0-0)

    9.Bg5 Nc6 10.Qd2 (10.c3 d5 11.Bf6 Bf6+=) 10...Bg4-/+ 11.c3 e5 (better is 11...Bf3!? 12.gf3 a6-/+) 12.d5= Na5 13.Qb2 (13.Qe3 a6=) 13...Bf3+= 14.gf3 h6 15.Bf6 (15.Be3 Nd7+=) 15...Bf6 (15...Qf6 16.Kg2-/+) 16.Kg2 Bg5 17.Rh1 b6 18.Ba6 Qd7 19.h4 Bf4 20.h5 g5 21.Bd3 Nb7 (21...f5 22.ef5 Rf6 23.Nc2-/+) 22.Qb5 (22.Bb5 Qe7-/+) 22...Qc7 23.Qc6 Rfc8 (23...Qe7 24.Ba6 Rac8 25.Qb5-/+ (25.Qb7? Rc7 26.Qc6 Rc6 27.dc6 f5-+)) 24.Ba6 Na5 (24...Qc6?! 25.dc6 Nc5 26.Bc8 Rc8 27.Nc4 Rc6 28.Ra7=) 25.Nb5 (25.Qc7!? Rc7 26.Rhb1-/+) 25...Qc6-+ (25...Nc6?! 26.Nc7 Rc7 27.dc6+=) 26.dc6 Rc6 27.Ra5 ba5 28.Bb7 Rac8 29.Na7 R8c7 30.Nc6 Rb7 31.Na5 Rc7 32.Rd1 Rc5 33.Nb7+= Rc3 34.Rd6 ½–½. Dunne,Paul (1845) – Sokolowski,Krzysztof (2025), Rewal op–B Poland, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7 8.0-0 0-0)

    9.h3 Nc6 10.c3 b6 11.Be3 Bb7 12.Qb1 e5 13.d5 Ne7 14.c4 Nh5 15.Nb5 Nc8 16.Qb3 Nf4 17.Rfb1 a5 18.Bf1 f5 19.g3 Nh5 (better is 19...fe4!? 20.Nd2 Nd3+=) 20.Ng5+= Re8 21.Ne6 Re6 22.de6 Be4 23.c5 d5 24.cb6 Nb6 25.Nc3 Nc8 26.Ne4 fe4 27.Qb7 Ne7 28.Bc5 Bf6 29.Rd1 e3 30.Be3 Ng7 31.Bc5 d4 32.Qe4 Rc8 33.Rac1 Qd5?? (better is 33...Ngf5+/-) 34.Be7+- Qe4 (34...Qe6 35.Rc8 Qc8 36.Qd5 Kh8 37.Bf6 h6 38.Bg7 Kg7 39.Qe5 Kg8 40.Rd4 h5 41.Rd6 Qf8 42.Rg6 Kh7 43.Qh5 Qh6 44.Qh6) 35.Rc8 Ne8 36.Re8 Kg7 37.Bf8 (37.Bf8 Kg8 38.Bh6) 1–0. Hebelka,Milos – Olchanski,Aleksandr, Bratislava Slovan op, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.a3 ba3)

    9.h3 Nc6 10.c3 e5 11.Be3 d5-/+ 12.ed5 ed4 13.dc6 de3 14.cb7 ef2 15.Rf2 Bb7 16.Rb1 Qe7 17.Qb3 Qe3 18.Qb7 Qd3 19.Rb3? Ne4 20.Ne1 Qe3 (20...Qe3 21.Nd3 Nf2 22.Nf2 Qe1 23.Kh2 Be5 24.g3 Qf2 25.Qg2 Bg3 26.Kh1 Qe1 27.Qg1 Qe6-+) 0–1. Granik,David – Nagle,S (2400), 101st US Open, Saint Paul USA, 2000.

    9.h3 Nc6 10.c4 Nb4 +=.

    9.h3 Nc6 10.Bd2 a6 (10...d5 11.e5 Ne4 12.Be3-/+) 11.d5 Nb8 12.Nc4 Nbd7 13.Rb1 a5 (13...b5 14.Ba5 Qe8 15.Nb6 Nb6 16.Bb6+=) 14.Qe1 a4 15.Ba5 Ra5 (15...Qe8 16.Qb4+=) 16.Qa5 (16.Na5 Nc5+=) 16...Qa5= 17.Na5 Nc5 18.Nd2 Bh6 19.Nac4 e6 20.de6 fe6 21.Rfd1 d5 (worse is 21...Nd3 22.cd3 Rd8 23.Nb6+/-) 22.ed5 Nd5 23.Re1 Nc3 24.Rb6 a3 25.Nb3 N5a4 (25...Nd3 26.cd3 Nd5 27.Rb5+=) 26.Rb4 Rd8 27.Nb6 (27.Na3!? Bf8 28.Ra4 Na4 29.Nc4=) 27...Nb6+= 28.Rb6 a2 (28...Nd5 29.Rb5+=) 29.Bc4= Na4 (29...Bg7 30.Be6 (30.Ree6? Be6 31.Be6 Kh8 32.Rb7 Ne2 33.Kh2 Ra8-+) 30...Be6 31.Rbe6=) 30.Be6+= Kf8 31.Rb4+/- b5 32.Rb5 Be6 33.Re6 Rd1 34.Kh2 Rb1? 35.Ra5+- Rb3 36.Ra4 Rb2 37.Rc6 Ke7 38.Ra7 Kd8 39.Rca6 Rc2 40.Rh7 Bf4 41.g3 Rf2 42.Kg1 Rb2 43.Ra8 Bb8 44.Rha7 Rb1 45.Kg2 Rb2 46.Kf3 Rb3 47.Ke4 Kc8 48.Ra2 Rg3 49.Rb2 Rh3 50.Rab8 Kd7 51.R2b6 Kc7 52.R8b7 Kc8 53.Rg7 Rh4 54.Ke5 Rh1 55.Rf6 Re1 56.Kf4 g5 57.Kg5 Re8 58.Rgf7 Re1 59.Rg7 Re8 60.Kg6 Rd8 61.Kh7 (61.Kh7 Re8 62.Rff7 Rd8 63.Rc7 Kb8 64.Rb7 Ka8 65.Rbd7 Rd7 66.Rd7 Kb8 67.Kg6 Kc8 68.Re7 Kd8 69.Kf7 Kc8 70.Ke8 Kb8 71.Kd8 Ka8 72.Kc7 Ka7 73.Re6 Ka8 74.Ra6) 1–0. Puzzoni,Christian (2115) – Gromovs,Sergejs (2365), Laconi Perla del Sarcidano op 3rd, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.a3 ba3 7.Na3 Bg7 8.0-0 0-0)

    6.Bb2 Bg7

    7.0-0 0-0 8.Qe1 Bg4 (8...Na6 9.a3 Qb6 10.Nbd2 ba3 11.Ba3=+) 9.Nbd2 (9.Qb4 Bf3 10.gf3 Qd7=+) 9...Nbd7 (9...Nh5!?=+) 10.h3= Bf3 11.Nf3 a5 12.a3 ba3 13.Ba3 Qc7 14.Rb1 Rfb8 15.e5 de5 16.de5 (16.Be7? ed4 17.Nd4 Ne5 18.Bf6 Bf6-+) 16...Nd5 17.e6 Ne5 18.Ne5 Qe5 19.ef7 Kf7 20.Qe5 Be5 21.Rb5 e6 22.c4 Nf4 23.Be4 The backward pawn on b7 becomes a target 23...Ne2 24.Kh1 Bd4 25.Rd1 (worse 25.Rb7 Rb7 26.Bb7 Ra7=+) 25...e5 26.Bd5 Kf6 27.Rd3 (worse 27.Bb7 Nc3 28.Ba8 Nb5 29.cb5 Ra8-/+) 27...Ra6? (better 27...Nc3 28.Rf3 Kg7 29.Rf7 Kh6 30.Rbb7 Nd5 31.Rh7 Kg5 32.cd5 Rb7 (32...Bf2? 33.Bc1 Kf5 34.Rbf7 Ke4 35.Rf2+-) 33.Rb7 Bf2+=) 28.Rf3+- (28.Bb7 Ra7 29.Bf3 Rb5 30.cb5 Nf4 31.Rd4 ed4+-) 28...Kg7 29.Rf7 Kh6? (29...Kh8 30.Bb7 (30.Rbb7?! Rb7 31.Bb7 Rb6=) 30...Ra7 31.Bd6+-) 30.Bb7 (30.Rbb7!? Rb7 31.Bb7 Re6+-) 30...Re6 (30...Ra7 31.c5 Rg8 32.g4+-) 31.h4 (31.Bf3 Rb5 32.cb5 Nf4+-) 31...e4 (31...Nc3 32.f3 (32.Ra5?! g5 33.Bf8 Kg6 34.Rg7 Kf6 35.hg5 Kf5+-) 32...g5 33.Be4 Ne4 34.Rb8+- (worse 34.fe4 Rb5 35.cb5 gh4-/+)) 32.g3 (32.Bd5 Rb5 33.cb5 Rf6 34.Rf6 Bf6+-) 32...Rf6? (better 32...e3 33.Bf3 ef2 34.Be2 Re2 35.Rb8 Re1 36.Kh2 f1Q 37.Bf8 Kh5 38.Rb5 Qf5 39.Rff5 gf5 40.Rf5 Kg6 41.Ra5 Rc1+-) 33.Rf6+- Bf6 34.Be4 Rc8 (34...Re8 35.Bd3+-) 35.Bd3 Nd4 (35...Re8+-) 36.Rb7 Rh8 (36...Kh5 37.Rh7 Kg4 38.Kg2+-) 37.Kg2 g5 (37...Kh5 38.Rf7 Kh6 39.Bc1 g5 40.Be3+-) 38.Bc1 (better 38.Rf7 gh4 39.Rf6 Kg7+-) 38...a4 1–0. Podinic,Bojan (2215) – Kovacic,Misa (2130), Belgrade Quality League, 2009. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.Bb2 Bg7)

    7.0-0 0-0 8.Re1 e5 9.Nbd2 Nc6 10.Nc4 ed4 11.Nd4 Nd4 12.Bd4 d5 13.e5 dc4 14.ef6 Qd4 15.fg7 Rd8 16.Bc4 Qd1 17.Rad1 Bf5 18.Rb1 Re8 19.f3 Bc2 20.Re8 Re8 21.Rb4 Re7 22.Rb2 Ba4 23.Bd5 b6 24.Kf2 Kg7 25.Rb4 Bd7 26.h4 Re5 27.Bb3 Be6 28.f4 Ra5 29.Be6 fe6 30.a4 Kf6 31.Kf3 Rc5 32.g4 h5 33.gh5 gh5 34.Ke4 Rd5 35.Rb5 Rc5 36.Rb4 Rc3 37.a5 ba5 38.Rb5=+ a4 39.Rh5 Rc4 40.Ke3 Rc3 41.Ke4 ½–½. Hemasian,Nasser – Kolvig,Bent, Varna ol (Men) qual–D, 1962.

    7.0-0 0-0 8.Re1 Bg4 9.Nbd2 Nc6 (9...d5 10.e5 Nh5 11.h3-/+) 10.h3 (10.d5 Ne5=) 10...Bf3=+ 11.Nf3 a5 (11...d5 12.e5 Nd7 13.a3=+) 12.e5 (12.d5!? Na7 13.a3 ba3 14.Ra3=) 12...de5 13.de5 Nh5 (13...Nd5 14.Qd2=+) 14.Rb1 (14.Qd2 Qd5=+) 14...Nf4-/+ 15.Bc4 Qd1 (15...Qc8!?-/+) 16.Rbd1=+ Rfd8 17.Rd8 (17.g3 Ne6=+ (worse 17...Nh3 18.Kg2+=)) 17...Rd8-/+ 18.Bc1 Nd5 19.Bb3 (19.e6 f5-/+) 19...e6 (19...Nc3 20.Bb2-+) 20.Bb2 (20.Bg5 Rd7-+) 20...Nc7 (better 20...Nb6 21.Bc1 Ra8-+) 21.Nh2? (better 21.c4-/+) 21...b5-+ 22.f4 (22.c4 a4 23.cb5 ab3 24.bc6 Rd2-+) 22...a4 23.Be6 (23.Nf3-+) 23...Ne6 24.g3 Rd2 25.Rc1 Ncd4 26.Bd4 Nd4 (26...Nd4 27.Nf1 Rc2 28.Rc2 Nc2-+) 0-1. vcekota (2405) - carrafurca (2585), net-chess.com, 2022. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    7.0-0 0-0 8.h3 e6 9.c4 bc3 10.Ba3 Re8 11.Nc3 a6 12.e5 de5-/+ 13.de5 Nfd7 14.Bd6 Nc6 15.Re1 Qa5 16.Rc1 Nde5 17.Ne5 Ne5 18.Ne4 Nd3 19.Qd3 Bd7 20.Bc7 Qd5 21.Qg3 Bc6 22.h4? e5 23.Rcd1 Qe6 24.Ng5 Qf5 25.Re3 Rac8 26.Ba5 h6 27.Nh3 h5 28.Rde1 Qg4 29.Qh2?! e4 30.Bc3 Bc3 31.Rc3 e3 32.Rce3 Re3 33.fe3 Qh4 34.Rf1 Be4 35.Qe5 Qg4 36.Rf2? h4 37.Kh2 Qg3! 38.Qg3 hg3 39.Kg3 Rc2 40.Rc2 Bc2 41.Kf4 f6 42.Ng1 Bd3 43.e4-/+ g5 44.Ke3 Bf1 45.g4 Bc4 46.a3 Be6 47.Kf3 Bb3 48.Ke2 Bc2 49.e5 Kf7 50.ef6 Kf6 51.Nh3 Ba4 52.Ke3 Bd7 53.Nf2 Ke5 54.Nh3 Bg4 55.Ng5 Bf5 56.Nf3 Kd5 57.Kd2 Kc4-+ 58.Kc1 Kb3 59.a4 Kb4 60.Nd4 Bd7 61.Kb2 Ka4 62.Ne2 Be6 63.Nd4 Bd7 64.Ne2 Kb4 65.Nf4 Kc4 66.Ng2 b5 67.Ne3 Kc5 68.Nd1 Be6 69.Nc3 b4 70.Na4 Kb5 71.Nc3 Kc4 72.Ne4 Bd5 73.Nd2 Kc5 74.Nb1 a5 75.Nc3 Kc4 76.Nb1 a4 77.Na3 Kd3 78.Nc2 b3 79.Na3 Bc4 80.Nb1 Bf7 81.Na3 Bg6 82.Nb5 Kc4 83.Nc7 Be4 84.Ka3 Bb7 85.Ne6 Bc8 86.Nf4 Bg4 87.Kb2 Bf3 88.Ka3 Kc3 89.Ne6 b2 90.Ka2 Bd5 91.Kb1 Be4 (91...Be4 92.Ka2 b1Q 93.Ka3 Qb3; 91...a3 92.Nc5 a2) 0–1. Hearst,Eliot Sanford – Tzend,Donoy, WchT U26, 1960.

    7.c3 bc3 8.Nc3 0-0 9.h3 Nc6 10.0-0 Nb4 11.Bc4 (11.Be2 d5 12.e5 Ne4+=) 11...Nd7 (11...Ne4 12.Ne4 d5 13.a3-/+) 12.Ng5 (12.a3 Nc6+=) 12...Nc6 13.Ne2 (13.Nf3 Nb6 14.Bb3 Na5+=) 13...Nb6-/+ 14.Bb3 e6 15.Qd2 d5 16.e5 Nc4 (16...f6 17.ef6 Bf6 18.Nf3-/+) 17.Bc4 dc4 18.Ne4 Qh4 (18...Qd5 19.Qe3+=) 19.Nd6 Rd8 20.Qc3? (better is 20.Qc2+=) 20...Ne5!-+ 21.de5 Rd6! 22.ed6? (better is 22.f4-/+) 22...Bc3-+ 23.Bc3 Qd8 24.Rfd1 Bd7 25.a4 a5 26.Rd2 Ra6 27.Rb1 Rb6 28.Re1 Rb3 29.Rd4 e5 30.Rc4 f6 31.Rc7 Ba4 32.Ba5 Qd6 33.Ng3 Bc6 34.Rc6 bc6 35.Ne4 Qe6 36.Bd2 g5 37.Kh2 Qf5 0–1. Madsen,Sverre – Adam,Edmund, Wch1 Final, 1950. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    7.Nbd2 0-0 8.0-0 Nc6 9.Qe2 Nd7 10.Nc4 Qc7 11.Ne3 e6 12.a3 ba3 13.Ra3 Nb6 (13...Nc5 14.Rb1 Nd3 15.cd3+=) 14.Bc3 (14.c4 f5=) 14...Qe7 (14...e5 15.d5 Nd4 16.Bd4 ed4 17.Nc4+=) 15.d5 (15.Rfa1 f5+=) 15...ed5 (better is 15...Bc3!? 16.dc6 Bg7-/+) 16.Bg7= Kg7 17.ed5 Ne5 18.Ne5 Qe5 19.Ra5 Bd7 20.Bb5 (20.Rfa1 Rfe8+=) 20...Rfc8 (20...Nd5!? 21.Nd5 Qd5-/+) 21.Bd7+= Nd7 22.Qd2 (22.c4 Nc5+=) 22...b6 23.Ra3 h5 24.Re1 Qf6 25.Qb4 Ne5 (25...Nc5 26.Nd1+=) 26.h3 (26.Ra6 Ng4 27.Ng4 hg4+=) 26...Rc7+= 27.f4 Nd7 28.Qe4 Nc5 29.Qf3 Rac8 30.g4 hg4 31.hg4 Rh8 32.g5 Qd4 33.Rd1 Qe4 34.Qe4 Ne4 35.f5? Ng5 36.fg6 fg6 37.Rdd3 Nf3 38.Kf2 Ne5 39.Rdc3 Rhc8 40.Rc7 Rc7 41.Ra4 Rf7 42.Kg2 g5 43.Nc4 b5 44.Ne5 ba4 45.Nc4 Rc7 46.Na3 Rc3 47.Nb5 Rc2 48.Kf3 a3! 49.Nd6 a2 50.Ne8 Kf8 (50...Kf8 51.Nf6 a1Q 52.Nh7 Ke7 53.Ke4 Qh1 54.Ke5 Re2 55.Kd4 Qe4 56.Kc5 Rc2 57.Kb5 Qc4 58.Ka5 Ra2) 0–1. Trombley,Frank – Buttell,David (1755), Tom Weston Major op, 2008. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.Bb2 Bg7)

    7.Nbd2 0-0 8.0-0 e6 9.e5 Nd5 10.Ne4 de5 11.de5 Nc6 12.Re1 b6 13.g3 Bb7 14.Qe2 Rc8 15.Rad1 Qe7 16.Nd6 Rcd8 ½–½. Ramirez,Alfredo – Ramirez,Hernan, COL–ch Pereira, 1958.

    7.h3 0-0 8.0-0 Nc6 9.c4 bc3 10.Nc3 Bd7 11.Rc1 Rc8 12.Re1 Qa5 13.Bb1 a6 14.e5 Nd5 15.Ne4 de5 16.Rc5 Qb6 17.Rd5 (17.Qb3 Qb3 18.ab3 ed4 19.Rd5 Be6-/+) 17...Be6 18.Rc5 Qb2 19.Re2 Qb6 20.d5 Rfd8 21.Rd2 Bf5 22.dc6 Rd2?? (22...Be4 23.Rd8 Rd8 24.Qd8 Qd8=) 23.Nfd2+= bc6 24.Rc3 Rd8 25.Qe1 Rd5 26.Rb3 Qd8 27.Qe2 Bh6 28.Nf3 Be6 29.Rd3 f5 30.Nc5 Rd3? 31.Bd3+/- Bd5 32.Ne5+- a5 33.Bc4 Qd6 34.Bd5 cd5 35.Ned3 Kf7 36.Ne5 Ke8?? 37.Qb5+- Kf8 38.Qa5 Kg7 39.Ncd3 Bg5 40.a4 Bf6 41.f4 g5 42.g3 gf4 43.gf4 Be5 44.Ne5 d4 45.Qd2 Qc5 46.Qg2 (46.Qg2 Kf8 47.Nd7 Kf7 48.Nc5 e5 49.Qg5 Kf8 50.Qf5 Ke7 51.Qe6 Kf8 52.Nd7 Kg7 53.Qf6 Kg8 54.Qf8) 1–0. Janula,Mariusz – Kwiek,Janusz (1800), 60th YMCA Spring C, 2009. (=1.e4 c5 2.b4 cb4+= 3.d4 d6 4.Nf3 Nf6 5.Bd3 g6)

    6.c3 bc3

    7.Nc3 Bg7 8.0-0 0-0 9.Rb1 Nc6 10.h3 b6 11.Bg5 Bb7 12.Qe2 e5 (12...h6 13.Be3=) 13.d5 Ne7 14.a4 Nd7 15.a5 Nc5 16.ab6 f6 17.Be3 ab6 18.Bc5 dc5 (18...bc5? 19.Rb7 Bh6 20.Bc4+-) 19.Rfd1 Kh8 20.Qc2 Nc8 21.Nd2 Rf7 22.Bb5 Bf8 23.Qb3 Bd6 (23...f5 24.Bc6=) 24.Nc4 Rb8 25.Bc6 Ba6 26.Bb5 Ra7 27.Ra1 Bb5 28.Nb5 Ra1 29.Ra1 Qd7 30.f3 (worse is 30.Ncd6 Nd6 31.Nd6 Qd6+=) 30...Bf8 31.Ra6 Kg7 32.Kh2 h5 33.Qb2 Kf7 34.Kg1 h4 35.Kf1 Kg7 36.Qb3 Kh7 37.Qb1 Bh6 38.Kg1 Kg7 39.Qb2 Bf4 40.Qb3 Bg3 41.Ra1 Kf8 42.d6 Kg7+= 43.Qd1 Qb5 44.d7+= Ne7 45.d8Q Rd8 46.Qd8 Qc4 47.Qe7 Kh6 48.Kh1 Kg5 49.Qd6?? Qd4-+ 50.Rd1 Qd6 51.Rd6 b5 52.Kg1 Be1 53.Kf1 Bc3 54.Ke2 Bd4 55.Rb6 b4 56.Kd1 f5 57.Ke2 fe4 58.fe4 Kf4 59.Rg6 Ke4 60.g4?? b3 61.Rb6 b2 62.Kd2 Kf4 63.Kc2 e4 (63...e4 64.Rb7 e3-+) 0–1. Rosenheim,Klaus (2405) – Teichmeister,Sven (2585), EU–ch64 sf01 corr, 2000. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    7.Nc3 Bg7 8.0-0 0-0 9.Bg5 Re8 10.Qd2 Bg4 11.Qe3 h6 (11...Nc6!?+=) 12.Bh6= Bh6 13.Qh6 Bf3 14.gf3 Nc6 15.Rfd1 (15.Bb5 Qa5 16.Rfc1 Rec8=) 15...e6 (better is 15...Nd4!? 16.Qe3 Nc6-/+) 16.Bb5+= a6 (16...Rc8 17.e5 Nd5 18.Ne4+/-) 17.Bc6+/- bc6 18.Qg5 (18.e5 Nd7 19.Ne4 d5+=) 18...Nh7 (18...Nh5 19.Qe3=) 19.Qd8 (19.Qg3 Rb8=) 19...Rad8= 20.f4 c5 21.Na4 cd4 22.Rd4 Nf8 (22...d5!?+=) 23.Rad1+= d5 24.ed5 ed5 25.Nc5 (25.Nb6!?+=) 25...Ne6+= 26.Ne6 fe6 (worse is 26...Re6 27.Rd5 Re1 28.Re1 Rd5 29.Re5 Rd1 30.Kg2+=) 27.Kg2 Kf7 28.Kg3 Kf6 29.Kg4 Rh8 30.h4 Rh5 31.Re1 Rd6 32.f3 Rc6 33.a4 Rc4 34.Rc4 dc4 35.Rc1 Rc5 36.Kg3 Kf5 37.Rc3 a5 38.Rc1 c3 39.Ra1 c2 40.Rc1 Rc6 41.Kf2 Kf4 42.Ke2 e5 43.Kd2 Kf3 44.Rc2 Rc2 45.Kc2 e4 46.Kd2 Kf2 47.Kc3 e3 48.Kc4 e2 49.Kb5 e1Q 0–1. Uesato,Jonathan – Garbe,Kevin, Los Gatos Fremont–South Bay, 2005. (=1.e4 c5 2.b4 cb4+= 3.d4 d6 4.Nf3 Nf6 5.Bd3 g6)

    7.Nc3 Bg7 8.0-0 0-0 9.h3 Nc6 10.a3 a6 A) 11.Qc2 Bd7 (11...Qa5 12.Be3 Bd7 13.Rfb1 b5 14.Rc1+=) 12.Rb1 b5 13.Be3 Rc8 14.Rfc1+=; B) 11.Bg5 Bd7 (11...Qa5 12.Qd2 Bd7 13.Rfc1 Rac8 14.Qe3+=; 11...h6 12.Be3 b5 13.Qd2 Kh7 14.Rfc1=; 11...Nd7 12.Nd5 h6 13.Be3 e6 14.Nf4=) 12.d5 Na5 13.Rc1 b5 14.Nd4+=; C) 11.Be3 b5 (11...Bd7 12.Qb1 b5 13.d5 Na7 14.Qb4=; 11...d5 12.e5 Ne8 13.Qb3 Nc7 14.Rfc1+=; 11...Qa5 12.Qc2 Bd7 13.Rfb1 b5 14.Rc1+=) 12.Rc1 Na5 13.e5 de5 14.de5+=.

    7.Nc3 Bg7 8.0-0 0-0 9.h3 Nc6 10.a3 d5 11.e5 Ne8 (11...Nd7 12.Qe1 Nb6 13.Bf4 Na5 14.Qe2+=) 12.Qb3 e6 13.Bb5 f6 14.ef6 +=.

    7.Nc3 Bg7 8.0-0 0-0 9.h3 Nc6 10.a3 Bd7 11.Be3 (11.Qb3 b6 (11...Qc7 12.Bg5 Rac8 13.Rfc1 e6 14.Rab1=; 11...Na5 12.Qb4 Rb8 13.Be3 Nc6 14.Qb2=; 11...Rc8 12.Be3 Na5 13.Qb4 b6 14.Rfc1=) 12.Be3 Rc8 13.Rfc1 Na5 14.Qb4=; 11.Bd2 b6 (11...Rc8 12.Rb1 b6 13.Ba6 Rb8 14.Qe2=; 11...a6 12.a4 Rc8 13.Rb1 Na5 14.Qe2=; 11...Rb8 12.Rc1 a6 13.Qe2 b5 14.Rfd1+=) 12.Rc1 a6 13.Be3 b5 14.Re1+=) 11...Rc8 (11...Qa5 12.Qb3 Rac8 13.Rfc1 b6 14.Nb5+=; 11...a6 12.Qb1 b5 13.d5 Na7 14.Rc1+=; 11...Qc7 12.Rc1 Qa5 13.Qb3 Rfc8 14.Rc2=) 12.Qd2 (12.Rc1 Qa5 13.Qb3 b6 14.Nb5+/-) 12...Na5 (12...a6 13.Rfc1 b5 14.Rab1+=) 13.Rab1 b6 14.Rfc1 Nc4 15.Bc4 Rc4 16.Bh6? (better is 16.e5 Ne8 17.Bh6+=) 16...Rc3!-+ 17.Bg7? (17.Rc3 Ne4 Double attack (17...Ne4 Decoy); 17.Qc3 Bh6 Deflection (17...Bh6 Overloading)) 17...Rc1 (17...Kg7 18.Qc3 (18.Rc3? Ne4 19.Qe3 Nc3 20.Qc3 e6-+) 18...Ne4 19.Qc7+/-) 18.Rc1 Kg7 19.Qf4 White plans e5 19...Qb8 20.e5 de5 21.de5 Nd5 22.Qd4 e6 23.g4 (23.Qb2 Rc8-+) 23...Rc8 24.Re1 (24.Qd2 Bb5 25.Rc8 Qc8-+) 24...Qc7 25.h4 (25.Rd1 Qc3 26.Rd3 Qc1 27.Kh2 Rc4-+) 25...Qc3 26.Qe4 (26.Kg2-+) 26...Rc4 27.Qe2 Rg4 28.Kh2 Nf4 (better is 28...Rf4 29.Kg2 Rf5 30.Kg1 Rf3 31.Qf1-+) 29.Qe4 (29.Qe3 Qc2 30.Rg1 Qf5 31.Rg4 Qg4-+) 29...Bc6 30.Qe3 Qe3 31.Re3 (31.fe3 Rg2 32.Kh1 Nd3-+) 31...Bf3 (better is 31...Rg2 32.Kh1 Rf2 33.Kg1 Nh3 34.Kh1 Bf3 35.Rf3 Rf3 36.a4-+) 32.Rf3 Nd5 (32...Rh4 33.Kg1-+) 33.Kh3 Re4 (33...h5!? 34.Rb3-+) 34.Rg3 Re5 0–1. nihavent (1665) – dimis (1710), gameknot.com, 2006. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    7.Nc3 Bg7 8.0-0 0-0 9.h3 Nc6 10.a3 Nd7 A) 11.Bb5 Qa5 (11...a6 12.Bc4 Nb6 13.Bb3 Na5 14.Rb1+=; 11...Nb6 12.Re1 a6 13.Bc6 bc6 14.Rb1+=; 11...Rb8 12.Rb1 a6 13.Be2 b5 14.Be3+=) 12.Qd2 f5 13.Re1 fe4 14.Bc4-/+; B) 11.Be3 Nb6 (11...Nc5 12.Be2 Qa5 13.Rc1 Ne6 14.Qd2=; 11...Re8 12.Rc1 e6 13.Re1 Qe7 14.Bg5=; 11...Qa5 12.Ne2 Nf6 13.d5 Nb8 14.Qe1=) 12.Qb3 e6 13.Rac1 d5 14.Rfe1+=.

    6.Nbd2 Bg7

    7.0-0 0-0 8.Rb1 a5 9.a3 Nfd7 10.ab4 Nc6 11.ba5 Nd4 12.Nd4 Bd4 13.Nb3 Bg7 14.Be3 Qc7 15.Qd2 Bc3 16.Qc1 Nc5 17.Nc5 dc5 18.Qa3 Bd4 19.Bd4 cd4 20.Rb5 Rd8 21.Rc5 Qf4 22.Qb4 h5 23.Qb6 Rd6 24.Qc7+/- Kf8 25.e5 Rd7 26.Qb6 h4 27.h3 g5 28.Qh6 (28.Qh6 Kg8 29.Qh7 Kf8 30.Qh8) 1–0. Maryasin,Boris (2380) – Kaspi,Alexander (2415), Maccabiah Netanya, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    7.0-0 0-0 8.Re1 Nc6 9.Rb1 a5 10.d5 Na7 11.a3 ba3 12.Ba3 Qc7 13.e5 (better is 13.Bb2!?+=) 13...Nd5-/+ 14.ed6 ed6 15.Ne4 Rd8 16.Bd6 Qc6 (16...Qd7 17.Qd2 Nc3 18.Rb6-/+) 17.Ne5+= Be5 18.Be5 f6 (18...b5 19.Qd2 b4 20.Qh6+-) 19.Bc4 Qc4 20.Nf6 Kf7 21.Qf3 Bf5 22.Rb7 Ne7 23.Re7! Ke7 24.Qb7 Bd7 25.Nd7 Rd7 26.Bc3 Kf8 27.Qa8 Nc8 28.Qa5 Rd5 29.Qa3 Kf7 30.Ba1 Qc2?? 31.Qf3 Qf5 32.Qc3 (32.Qc3 Re5 33.Re5 Qb1 34.Re1 Qe1 35.Qe1+-) 1–0. Yerhoff,Frank J – Magee,C Tony, CCLA Special corr, 1953. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    7.a3 ba3 8.Ba3 Qc7 9.c4 Nh5 10.0-0 Nc6 11.Rc1 (11.Bb2 Nf4 12.Nb3 0-0+=) 11...Qa5 12.Bb2 Nf4 13.Bc3 Qh5 14.Bb1 (14.d5 Nd3 15.Bg7 Rg8 (15...Nc1? 16.Bh8 Nd3 17.dc6+-) 16.dc6 Rg7+= (worse is 16...Nc1 17.cb7 Bb7 18.Bd4+=)) 14...Qg4 (14...0-0!?-/+) 15.g3+= h5 16.e5 (better is 16.Kh1 Nh3 17.Qa4+=) 16...h4 17.Ne4 Bf5 18.ed6? (18.Re1 hg3 19.fg3 de5 20.Ne5 Ne5 21.de5 Qd1 22.Rcd1 Ne6-+) 18...Be4 (better is 18...hg3 19.fg3 Be4 20.Be4 Nh3 21.Kg2 Qe4-/+) 19.Be4 hg3 20.Bc6 bc6 21.d7 Kf8 (21...Qd7?! 22.fg3 Qg4 23.Kf2 Nh3 24.Kg2-/+; 21...Kd7 22.Ne5 Be5 23.Qg4 f5 24.Qf3 Nh3 25.Kh1+-) 22.fg3 Rh2!! (22...Rh2 23.d8Q Rd8 24.Qe1 Rg2 25.Kh1 Qh3 26.Nh2 Qh2) 0–1. De Saint Germain,Gaston – Leconte,Jean Olivier, FRA AJEC corr, 1947. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6)

    7.Rb1 0-0 8.Rb4 Nc6 9.Rb1 d5 10.e5 Nh5 11.0-0 f6 12.Re1 fe5 13.de5 Nf4 14.Bf1 Qc7 e5 seems the pivot of the position 15.c4 (15.Nb3 Bg4 16.Bf4 Rf4 17.Qd5 e6=) 15...Bf5-/+ (15...Ne5?! 16.Ne5 Be5 17.cd5=) 16.Rb3 Ne5 (better 16...Rad8-/+) 17.Ne5+= Be5 18.Nf3 Bg4 (worse 18...dc4 A) 19.Re5?! A1) 19...cb3 20.Bf4 Bg4 21.Qb3 e6 22.Bg3 Bf3 23.Re6+- (23.gf3?! Qb6+-; 23.Qe6?! Qf7 24.Bc4 Qe6 25.Be6 Kg7 26.gf3 Rad8+-); A2) 19...Rad8 20.Bd2 cb3 21.Qb3 Be6 22.Re6 Ne6 23.Qe6 Kg7+=; B) 19.Ne5 cb3 20.Bf4+-) 19.Bf4 Bf4 20.Qd5 e6 21.Qb7 Qa5 22.Qe7 Attacking the isolated pawn on e6 22...Rae8 (22...Qa2 23.Rb7 Bc7 24.Qc7 Qf2 25.Kf2 Rf3 26.gf3 Bf3 27.Qg7) 23.Qa3 Qc7 24.h3 Bd6 25.c5 0–1. Meixner,Ferenc (2040) – Tugstumur,Yesuntumur (1800), First Saturday FM–A, 2015. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6 6.Nbd2 Bg7)

    7.Rb1 a5 8.0-0 0-0 9.a3 ba3 10.Ba3 b6 11.Re1 Nfd7 12.h4 (12.c3 Qc7+=) 12...Ba6 13.Ba6 Na6 14.h5 Nc7 15.hg6 fg6 16.c3 Bh6 (16...b5!?-/+) 17.e5= de5 18.Ne5 Ne5 19.Re5 Rf7 20.Rb6 Nd5 21.Rc6 Nc3 22.Qb3 Bd2 23.Be7? (23.Re7!? Qe7 24.Be7 Ne2 25.Kf1 Nd4 26.Qb7=) 23...Rb8 (better is 23...Qe8!? 24.Rc3 Bc3-+) 24.Qc4-/+ Qe8 25.Rf6? (better is 25.Bg5 Qd7 26.Bd2=) 25...Kg7 (25...Rb1 26.Kh2 Kg7+=) 26.Bd8 Rb4 27.Qc8 Qd7?? 28.Rf7+/- Qf7 29.Re7 Rb1 30.Kh2+- Qe7 31.Be7 Kf7 32.Bh4 g5? 33.Bg3 Re1 34.d5! Ne4 35.Qe6 Kf8 36.Bd6 Nd6 37.Qd6 Kg7 38.g3 Kf7?? 39.Qc7 Kg6 40.Qc2 (40.Qc2 Kf6 41.Qd2+-) 1–0. Bolding,Klaus (2300) – Olivier,Jean Christophe (2320), FRA–chT2S France, 1997. (=1.e4 c5 2.Nf3+= d6 3.b4 cb4+= 4.d4 Nf6 5.Bd3 g6 6.Nbd2 Bg7)

    7.Rb1 a5 8.0-0 0-0 9.a3 Na6 10.Qe1 (10.Ba6 ba6 11.Re1 ba3+=) 10...Nd7 (10...b6!?-/+) 11.Ba6 ba6 12.Nc4 (12.ab4 ab4 13.Rb4+=) 12...d5 (better is 12...Qc7!? 13.Ne3 Bb7-/+) 13.ed5= Nf6 14.ab4 ab4 15.Qb4 Nd5 16.Qd2 Qc7 17.Nce5 Bf5 18.Rb2 Nc3 19.Qe3 (19.Re1 a5+=) 19...a5 20.Bd2 Rfc8 21.Ra1 a4 22.Ra3?? (22.Qe1!?=) 22...Nd5 23.Qe2 Bc2 24.Nf7+= Bf5 25.N7e5 Qd6 26.Rba2 Nb4 27.Nc4 Qe6-/+ 28.Bb4 Qe2 29.Re2 Rc4 30.Be7 Rc1 31.Re1 Re1 32.Ne1 0–1. Szegi,Viktor (2165) – Borik,Juraj (2120), SVK–chT3B, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Nf6 5.Bd3 g6)

    7.Rb1 a5 8.0-0 0-0 9.Re1 Nc6 10.d5 Nb8 11.a4 ba3 12.Ba3 Nbd7 13.Nc4 Ng4 14.Qd2 b5 15.Rb5= Ba6 16.Rbb1 Qc7 17.Qe2 Rac8 18.Nfd2 Bc4 19.Nc4 Nge5 20.Ne5 Ne5 21.Ba6 Rb8 22.Bb5 h5 23.c4+= Rfc8 24.h3 Bh6 25.Rb3 Qa7 26.Kh1 Rc7 27.Rf1 Rbc8+= 28.c5 dc5= 29.f4 c4 30.Rg3 Nd3 31.d6 ed6 32.Bd6 Rb7 33.Qh5 Nf2 34.Kh2 Bg7 35.Qd5 Rb5 36.Qb5=+ Ne4 37.Rg6 fg6 38.Qd5 Qf7 39.Qe4 c3 40.f5 Qc4 41.Qe6 Qe6 42.fe6 c2 43.e7 Bh6 44.Ba3 Re8 45.g4 Re7 46.Be7 c1Q 47.Rc1 Bc1 ½–½. Spielmann,Rudolf – Golombek,Harry, Margate, 1938.

    4.d4 Bg4

    5.a3 ba3 6.Na3 e6 7.Bb5 Nd7 8.0-0 Be7 9.Nc4 Ngf6 10.Ba3? (better is 10.e5 de5 11.Nce5=) 10...Ne4-/+ 11.Qe1 Bf5 12.Nfd2 (12.d5!? ed5 13.Nd6 Bd6 14.Bd6-/+) 12...Nc3-+ 13.Bd7 Qd7 14.Ne3 Bg6 15.f4 0-0 16.g4 (16.Bb4 Nb5 17.Nf3 Be4-+) 16...Rac8 (16...Bf6!? 17.Nb3 Rfc8 18.Bb4-+) 17.Bb4 Qc6 18.f5 ef5 19.gf5 Bh5 20.Bc3 Qc3 21.Ne4 (21.Nb3 Qe1 22.Rfe1 Bh4-+) 21...Qd4 22.Rf4 (22.f6 Bf6 23.Nf6 gf6-+) 22...Rc2 (22...Qe5!? 23.Ra4 b5 24.Ng3 ba4 25.Re4-+) 23.f6 Re2 0–1. Littlewood,John – Duncan,Chris, 4NCL967–NWE:HE, 1996. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Bg4)

    5.a3 Qb6 6.Be3 Qa5 7.Bd2 e6 8.Bb4+= Qc7 9.Nbd2?? a5-+ 10.Bb5 Nd7 11.Bc3? Qc3 12.Bd7 Kd7 13.Rb1 Nf6 14.Rb7 Ke8 15.0-0 Be7 16.Qb1 Qa3?? 17.Qb5 Kf8-+ 18.Rb1 g6?? 19.Nc4 Bf3?? 20.Na3+- Be4 21.Rb8 Rb8 22.Qb8 Kg7 23.Qb3 Rc8 24.c4?? Bb1 25.Nb1 Nd7 26.Nd2 Rb8 27.Qc2 e5 28.de5 Ne5 29.f4+= Nc6 30.h3 Nb4 31.Qe4 a4?? 32.f5 Bf8 33.fg6 hg6 34.c5 dc5?? 35.Qe5+- Kg8 36.Qb8 a3 37.Nb3 a2 38.Qa8 Kg7 39.Kf1 Be7 40.Ke2 Kf6 41.Kd2 Kg7 42.Kc3 Bf6 43.Kc4 Kh6 44.Kc5 Be7 45.Kc4 Kg7 46.Qa7 Kf6 47.Nc5 Nc2 48.Qa2 Ne3 49.Kb5 Nf5 50.Nd7 Kg5 51.Qd2 Kh5 52.g4 Kh4 53.gf5 Kh3 54.Qe3 Kg4 55.fg6 fg6 56.Qe7 g5 57.Qe4 Kh3 58.Nf6 Kh2 59.Ng4 Kh3 60.Qf3 Kh4 61.Nf2 g4 62.Qg4# 1–0. alexp (2435) – rak (2095), net–chess.com, 2009.

    5.a3 Nf6 6.Bd3 ba3 7.c3 Nc6 8.0-0 g6 (8...d5 9.e5 Ne4 10.Re1+=) 9.Na3 Bg7 10.Bg5 0-0 11.Nb1 (11.h3 Bc8+=) 11...a6 12.Ra2 Rc8 (12...d5 13.Bf6 Bf6 14.h3-/+) 13.h3+= Bf3 14.Qf3 h6 15.Be3 Nd7 16.Qd1 Kh8 17.f4 e6 18.e5 d5 19.Raf2 Ne7 20.Bc1 Re8 21.Kh2 Kh7 22.Qd2 Rh8 23.Qd1 Kg8 (23...Rc6 24.Ra2-/+) 24.Kh1 Bf8 25.Be3 (25.Qf3 Rh7+=) 25...b5 26.Ra2 Ra8 27.Qb3 Nb6 28.Bc1 Nc4 29.Qd1 Nc6 30.Rff2 b4 31.Bd2 Qb6 32.cb4 (32.Bc4 dc4 33.cb4 Qd4-/+ (33...Nd4? 34.Be3+-)) 32...Nb4 (better is 32...Nd2!? 33.Rfd2 Bb4-+ (33...Nd4?! 34.Bg6 fg6 35.Rd4+=)) 33.Bb4+= Qb4 34.Qc1 Be7 35.Bc4 Qc4 (35...dc4?? 36.Rfb2+-) 36.Qd1 (36.Qc4 dc4 37.Rfc2 Kg7+=) 36...Qb5 (36...Kg7 37.Rfc2 Qb3 38.Nc3-/+) 37.Rfb2 Qc6 38.Rc2 Qd7 39.Nd2 Kg7 40.Nf3 Rhc8 41.Rcb2 a5 42.Rb3 Qc7 43.Rb1 Rab8 44.Rba1 Bb4 45.Ra4 (45.Rb2 Bc3 46.Rc2 Rb2-/+) 45...Qc2-+ 46.Qg1 (46.Qc2 Rc2 47.R1a2 Rbc8-+) 46...Bc3 47.R1a2 Rb2 (47...Qe4 48.Rf2-+) 48.R4a3?? Rb1 0–1. Boernsen,Frederick – Petermann,Michail, Baden–ch U12, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Bg4)

    5.Bb2 Nf6 6.Nbd2 e6 (6...d5 7.h3 (7.Bd3 de4 8.Ne4 e6 9.Rb1 Be7 10.h3 Bf3 11.Qf3 Nc6 12.0-0-/+; 7.e5 Ne4 8.Ne4 de4 9.h3 Bh5 10.g4 ef3 11.Bb5 Nc6 12.Qf3+=; 7.Bb5 Nc6 8.h3 Bh5 9.e5 Nd7 10.0-0 e6 11.Be2 Be7 12.a3-/+) 7...Bh5 8.Bd3 Nc6 9.e5 Nd7 10.g4 Bg6 11.Bg6 fg6 12.Ng5+=; 6...Nbd7 7.a3 (7.h3 Bh5 8.Bd3 e6 9.a3 ba3 10.Ba3 Be7 11.g4 Bg6 12.Rb1+=; 7.Be2 e6 8.h3 Bh5 9.0-0 Bg6 10.Bd3 d5 11.e5 Ne4 12.Nb3-/+; 7.Bd3 e6 8.h3 Bh5 9.a3 ba3 10.Ba3 Be7 11.g4 Bg6 12.Rb1+=) 7...ba3 8.Ba3 e5 9.Bb2 Qb6 10.Rb1 Qc7 11.Bd3 Be7 12.h3+=; 6...Qc7 7.Bb5 (7.Bd3 e6 8.0-0 Be7 9.h3 Bh5 10.c3 bc3 11.Rc1 Nc6 12.Rc3+=; 7.a3 Bf3 8.Bb5 Nbd7 9.Qf3 Qc2 10.Rb1 ba3 11.Ba3 Qc7 12.0-0+=; 7.h3 Bf3 8.Qf3 Qc2 9.Rb1 e6 10.Bb5 Nfd7 11.d5 e5 12.a3+=) 7...Nbd7 8.a3 d5 9.ed5 ba3 10.Ra3 Nd5 11.c4 Nf4 12.h3+=) 7.Bd3 (7.h3 Bh5 8.Bd3 Be7 9.c4 bc3 10.Bc3 0-0 11.Qb3 Qd7 12.0-0+=; 7.Bb5 Nc6 8.d5 a6 9.dc6 ab5 10.cb7 Rb8 11.h3 Bf3 12.Qf3+=; 7.Be2 Nc6 8.h3 Bf3 9.Bf3 d5 10.0-0 Rc8 11.ed5 Nd5 12.Re1-/+) 7...Be7 (7...Nc6 8.h3 Bh5 9.0-0 d5 10.e5 Nd7 11.Be2 Be7 12.a3-/+) 8.0-0 (8.h3 Bh5 9.c4 bc3 10.Bc3 0-0 11.0-0 Qd7 12.Qb3+=) 8...0-0 9.c3 (9.c4 bc3 10.Bc3 Qd7 11.Qb3 Bf3 12.Nf3+=) 9...bc3 (9...Nc6 10.h3 Bh5 11.c4 Bg6 12.Qe2+=) 10.Bc3 Nc6 (10...Qd7 11.Qb3 Bf3 12.Nf3+=) 11.Qb3 (11.Qb1 Qd7 12.h3+=) 11...Qc7 12.Rac1 (12.Rab1+=) 12...Nh5 (better is 12...d5 13.Ne5 Rfb8+=) 13.d5+/- Nf4 14.Bc4 (better is 14.Qc4!?+/-) 14...Na5 15.Ba5 Qa5 16.Qb7 Bf6 17.de6 Ne6 (17...fe6 18.Qa6 Qa6 19.Ba6+=) 18.e5 (better is 18.h3!? Bf3 19.Nf3+=) 18...Be5+= 19.Ne4? (better is 19.Ne5 de5 20.Qe4 Qd2 21.Qg4+=) 19...Bf3-+ 20.Be6? (20.gf3 Rab8 21.Qd5 Qd5 22.Bd5 Nf4-+) 20...fe6 (20...Bh2 21.Kh2 Qe5 (21...fe6?! 22.gf3 Qh5 23.Kg1=) 22.Kg1 Be4 (22...fe6?! 23.gf3 d5 24.Ng3=; 22...Qe4?! 23.Qe4 Be4 24.Bb3-+) 23.Bf7 Rf7 24.Rc8 Rf8 25.Rf8 Rf8-+) 21.Rc7 (21.gf3 Qa2 22.Rfd1-+) 21...Be4 22.Rg7 Bg7 23.Rc1 Bb7 (23...Bb7 24.Rf1 Rf2 25.Kf2 Rf8 26.Ke2 Ba6 27.Ke3 Qc3 28.Ke4 Bb7) 0–1. Sakka,Marianna – Kalyva,Kyriaki, 39th TCh–GRE, 2011. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Bg4)

    5.Bb5 Nd7 6.0-0 a6 7.Bd3 Ngf6 8.Bb2 e5 (8...e6 9.c4+=) 9.Nbd2 Be7 10.h3 Bf3 11.Nf3 ed4 12.Bd4 Nc5 13.Re1 Nd3 14.cd3 0-0 15.Bb2 Re8 16.Nd4 Rc8 17.Nf5 Kf8 (17...a5 18.Rc1 Rc1 19.Qc1=) 18.Qb3 (better is 18.Qd2!? Nh5 19.g4+/- (19.Ne7?! Qe7 20.Rac1 a5=)) 18...a5= 19.Rad1 Qc7 (19...b5 20.Rc1 Qd7 21.Bd4=) 20.e5 (20.Rc1!? Qd7 21.Bf6 Bf6 22.Qd5=) 20...de5+= 21.Re5 Qc2 ½–½. Ma,Timothy – Pandey,Allok, California State–ch, 2003. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 Bg4)

    5.Bc4 Nc6 6.h3 (6.d5 Na5 7.Bb5 Bd7 8.Bd7 Qd7+=) 6...Bf3=+ 7.Qf3 e6 8.Bb2 Qc7 (8...Nf6 9.0-0=+) 9.Bb3 Nf6 10.0-0 e5 (10...Be7 11.a3=) 11.de5 (better 11.d5!? Nd4 12.Bd4 ed4 13.Qd3+=) 11...de5=+ 12.a3 ba3 13.Ba3 (better 13.Na3!? Bc5 14.Rfd1=+) 13...Ba3-/+ 14.Na3 a5 (14...Nd4 15.Qd3 0-0 16.Bd5-/+) 15.Rad1 (15.Nb5!? Qe7 16.Bd5=+) 15...0-0-/+ 16.Nb5 Qe7 (16...Qb6 17.Nc3-/+) 17.Bd5 Rac8 18.Qg3 ½–½. Rositsan,Boris (2090) – Deville,Olivier (1845), 1st IBCA European Team Chess Championsh, 2016. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Bg4)

    5.Bc4 e6 6.0-0= Nc6 7.d5 Ne5 8.Bb5+= Nd7 9.a3 Ngf6 10.ab4 Ne4? 11.Re1+- Nf2 12.Qe2 Qb6? 13.Be3 Bf3 14.Bd7 Kd7 15.Qf3 Qb4 16.Qf7 Be7 17.Qe6 (17.Qe6 Kd8 18.Bf2+- (18.Kf2?! Rf8 19.Ke2 Bf6+-); 17.Kf2? Rhf8 18.de6 Kc7-+) 1–0. michalowa – japycz, rancho, 2009.

    5.Bc4 e6 6.0-0 Be7 7.a3 ba3 8.Na3 Nf6 9.Bd3 0-0 10.Rb1 b6 11.Qe2 Nc6 12.c3 Qc7 13.h3 Bf3 14.Qf3 a6 15.Bb2 b5 16.Nc2 Na5 17.Qe2 Nd7 18.f4 Nb6 19.f5 Nac4 20.Bc1 Na4 21.Qe1 Qa5 (21...Rfc8!?-/+) 22.Bc4 bc4 23.Rb7 Bf6 24.Nb4 Qd8 25.e5 (better is 25.Nc6!? Qe8 26.Na5+=) 25...de5-+ 26.de5 Qc8 27.ef6 Qb7 28.Qg3 g6 29.Qf4 (29.Qh4 e5 30.Nd5+=) 29...Kh8 (29...e5 30.Qh4 Qb6 31.Kh2+=) 30.Qh6? (better is 30.fg6 fg6 31.f7 Qf7 32.Qf7 Rf7 33.Rf7 Nc3 34.Bb2+/-) 30...Rg8-+ 31.Rf4 gf5?? (better is 31...Qb6 32.Kh2 Qd6-+) 32.Qh7!! Kh7 33.Rh4 Kg6 34.Rh6 1–0. Toth,Jozsef (2065) – Kover,Mate, Miskolc Avas op, 2004. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 Bg4)

    5.Bc4 e6 6.0-0 Be7 7.a3 ba3 8.h3 Bh5 9.d5 e5 10.g4 Bg6 11.Bd3 Nd7 12.Na3 Ngf6 13.Nd2 0-0 14.Nac4 Nc5 15.f3 Ne8 16.Kg2 Bg5 17.Nb3 Nd3 18.cd3 Bc1 19.Qc1 b6 20.Qa3 f5 21.gf5= Bh5 22.Qc1 Rc8 23.Qe3 Rf7 24.f4 ef4 25.Rf4 b5 26.Ncd2 Rc2 27.Nd4+= Rb2 28.Ne6 Qc8 29.Rf2 Qc3 30.Ra6 Rc2 31.Nd4 Rb2 32.Rc6 Qa3 33.Ne6 Rf6 34.Rc8 h6 35.Qg3 g5?? 36.fg6 Rf2 37.Qf2 Bf3 38.Kh2 (38.Kh2 Rd2 39.Re8) 1–0. Smirin,Ilia – Mochalov,Evgeny V (2420), Sokolsky Memorial, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4)

    5.Bc4 Nf6 6.e5 Qc8 7.Nbd2 d5 8.Bd3 Nfd7 9.h3 Bh5 10.e6 fe6 11.g4 Bf7 12.Ng5 g6 13.Qf3 Bg8 14.Bb2 Nc6 15.Qe3 Bg7 16.f4 Qc7 17.Ndf3 0-0-0 (17...Nc5! 18.Ne5 Nd3 19.Nd3-/+) 18.Ne5 h6 19.Ngf3 Nde5 20.fe5 g5 21.h4 gh4 22.Rh4 Bf7 23.a3 Kb8 24.Qd2 Qb6 25.Ke2 Rhf8 26.g5 hg5 27.Qg5 Rg8 28.Bh7? (better is 28.Qe3+=) 28...Bf6 29.ef6 Rg5 30.Ng5 Rf8 31.fe7 Ne7 32.Rf1 Nf5! 33.Bf5 ef5 34.Nf7 Rf7 35.Rh8 Kc7 36.Bc1 Qe6 37.Kd1 f4! 38.Rf4 Re7 39.Bd2 Qe2 40.Kc1 Rg7 41.Rh1 ba3 42.Rf8 a2 43.Bf4 Kc6 44.Rf6 Kb5 45.Kb2 Rg2 46.Rc1 Qc4 47.Be5 Ka4 48.Rf3 Rc2! 49.Rc2 a1Q! 50.Ka1 Qc2 51.Rg3 b5 52.Bd6 b4 53.Bb4 Qc1 54.Ka2 Qc4 55.Ka1 Qb4 56.Rg8 Qd4 57.Ka2 Qd2 58.Ka1 d4 59.Rh8 d3 60.Rh4 Ka3 (60...Ka3 61.Ra4 Kb3 62.Ra3 Ka3 63.Kb1 Qe1; 60...Kb3 61.Rb4 Qb4 62.Kb1 Qe1) 0–1. Nikolovski,Oliver – Murray,D, Westland SE MI op, 1985. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 Bg4)

    5.Nbd2 Nc6 6.a3 Rc8 7.d5+= Nd4?? 8.Nd4+- Bd1 9.Bb5 ½–½. avenger1 (1625) – trazom, kurnik, 2011.

    5.h3 Bh5 6.Bd3 e6 7.0-0 Nf6 8.a3 d5 9.e5 Nfd7 10.ab4 Bb4 11.c3 Be7 12.Na3 Nc6-/+ 13.Nc2 0-0 14.Ne3 a6 15.g4 Bg6 16.Ne1 Bd3-+ 17.Nd3 Rc8 18.f4 Na7 19.Bd2 Nb5 20.Qb3 Nb6 21.Nd1 Nc4-+ 22.Be1 f6 23.ef6 Bf6 24.Ra2 Be7 25.Re2 Qd7 26.Bg3 Bd6 27.Rfe1 Rce8 28.Kg2 Qf7 29.Ne5 Be5 30.de5 Rc8 31.Rf2 Qd7 32.Kh2 Qc6 33.f5 d4 34.cd4 Nd4 35.Qd3 Rcd8 36.Qf1?? Nf3!! ½–½. Kolar,Sr (2175) – Palac,M (2605), Open, Pula CRO, 2001.

    4.d4 g6

    5.a3 b3 6.cb3+/- Bg7 7.Bb2 Nf6 8.Bd3 0-0 9.Nbd2 Bg4 10.0-0 Nc6 11.h3 Bf3 12.Nf3 (worse is 12.gf3 Nh5 13.Nc4 Bd4 14.Bd4 Nd4-+; 12.Qf3?! Ne8=) 12...Rc8 13.Rc1 e6 14.Qd2 Kh8 15.Nh2 (15.b4!?+=) 15...Qb6= 16.Bc2 Na5 17.Qe3 Rc7 18.Bc3 (18.Bd1!?=) 18...Rfc8+= (worse is 18...Nb3 19.Rb1 Rfc8 20.Rb3 Qb3 21.Bb3 Rc3 22.Qf4 Rb3 23.e5 de5 24.de5+/-) 19.Ba5 Qa5 20.b4 Qb6 21.Ba4 Qa6 22.Rc7 Rc7 23.Bd1 Ng8 24.Nf3 h6 25.e5 d5 26.Nd2 b6 27.Be2 Qc8 28.Nb1 Ne7 29.Qf4 Kg8 30.Bg4 Kf8 31.Nd2 Ng8 32.Nb3 h5 33.Bd1 Bh6 34.Qh4 Ne7 35.Qf6 Rc3 36.f4 Ng8 37.Qh4 Qc4 38.Qd8 Kg7 39.Qh4 a5 40.ba5 ba5 41.Qf2 Qb5 42.Qb2 Rc7?? 43.Qd2+= Ra7 44.Nc5+/- Ne7 45.Ba4 Qb8 46.g4 hg4 47.hg4 Kg8 48.Qh2 Bg7 49.Nd7 Qc8 50.Nf6 Kf8 51.Rb1 Rc7 ½–½. Paiva,Henrique M A Alberg (1625) – Rajesh,Gorak, Wch U12 Maribor, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.a3 b3 6.cb3 Bg7 7.Nc3 Bg4 (7...Nc6 8.Bc4+=) 8.Be3 (8.Be2 Nc6 9.Be3 Nf6+-) 8...Nf6+= 9.Be2 (9.h3 Bf3 10.Qf3 Nc6+=) 9...0-0 (9...d5 10.e5 Ne4 11.Ne4 de4 12.Ng5 Be2 13.Qe2+-) 10.0-0 (10.h3 Bd7+-) 10...Nc6 (10...d5 11.e5 Ne4 12.Ne4 de4 13.Ng5 Be2 14.Qe2+-) 11.d5 (11.h3 Bd7+-) 11...Bf3 (11...Na5 12.Rc1 Rc8 13.Nd4 Be2 14.Nde2+=) 12.gf3 (worse 12.dc6 Be2 13.Qe2 bc6=+) 12...Ne5 13.Rc1 (13.f4 Ned7+=) 13...a6 (13...Qa5 14.Na4+=) 14.Kh1 (14.f4 Ned7+-) 14...Rc8+= 15.f4 Ned7 16.Bd4 (16.b4 b5+=) 16...Ne8 (16...Qa5 17.Qc2=) 17.Bg4 (17.Bg7 Ng7 18.b4 Qb6+=) 17...Rc7 (17...Bd4 18.Qd4 Nef6 19.Bh3+=) 18.Re1 White intends e5 (18.b4 Bd4 19.Qd4 b5+=) 18...Bd4= 19.Qd4 Ndf6 (19...Nc5 20.Qd1=) 20.Bh3 Nh5 21.e5 Neg7 22.b4 (22.Bg4 f6 23.e6 Qc8+=) 22...f6 23.e6 (23.ef6 Nf6 24.Kg1 Qe8+=) 23...Qb8= 24.Ne2 (24.f5 g5 (24...Nf5? 25.Bf5 gf5 26.Qh4+-) 25.Ne2 Rfc8 26.Rc7 Rc7=) 24...Rfc8 25.Rc7 Qc7 (25...Rc7 26.Qd2=) 26.Bg4 f5 27.Bf3 Nf6 28.Qa7 (28.Rc1 Qd8=) 28...Qb8 (28...Ngh5 29.Rg1=) 29.Qb8 Rb8 30.Rc1 Kf8 31.a4 (31.Kg2 Ngh5=) 31...Ke8 32.b5 (32.Kg2 Kd8=) 32...ab5 33.ab5 Kd8 34.b6 Ra8 35.Rc7 Rb8 36.Nd4 Nge8?? (better 36...Ngh5 37.Bh5 gh5 38.Nf5 Nd5 39.Rd7 Ke8 40.Nd6 ed6 41.Rh7 Rd8+-) 37.Nb5+- Ng7?? (37...Nc7 38.bc7 Kc8 39.cb8Q Kb8+-) 38.Nd6! (38.Nd6 ed6 39.Rg7+-) 1–0. Rodriguez Vila,Andres (2485) – Di Berardino,Diego Rafael (2510), 3. Floripa Masters, 2016. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Bb2 Bg7 6.Bb5 Bd7 7.Qd3 Nf6 8.Nbd2 0-0 9.0-0 Nh5 10.a4 Nc6 11.e5 (11.Qe3 Rc8-/+) 11...Nf4 12.Qe4 Bh6 13.d5? (better 13.ed6 ed6 14.d5-/+) 13...Bf5-+ 14.Qc4 (14.Qe1 Nd5 15.Ne4 de5 16.Ne5 Qc7 17.Nc6 bc6-+) 14...Ne5 15.Qb4 Rc8 16.Ne5 de5 17.Nf3 Qd6 (17...Nd5?! 18.Qh4 Bg7 19.Be5-+) 18.Qe1 (18.Qd6 ed6 19.Ba3 Rfd8-+) 18...e4 (18...Rc2?! 19.Be5 Qd5 20.Rd1-+) 19.Nd4 a6 20.Nf5 gf5 21.Ra3 (21.g3 Qg6 22.Kh1 Nd5 23.c4-+) 21...ab5 22.Qd2 0–1. Vela Ignacio,Jose Manuel (1970) – Sasikiran,Krishnan (2635), 36th Open Internacional Villa De Benasq, 2016. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Bb2 Bg7 6.Bc4 e6 7.0-0 Ne7 8.c3 bc3 9.Nc3 0-0 10.Rc1 Nbc6 11.Bb3 Na5 12.Nb5 a6 13.Nc7 (13.Nc3 b5+=) 13...Rb8 (worse is 13...Nb3 14.Qb3 (worse is 14.ab3 Ra7-/+) 14...Rb8 15.Na6+=) 14.Ng5 (14.Ba3 Nec6 (14...Nb3?! 15.Qb3 b5 16.Qb4+=) 15.d5 Qc7 16.dc6 Rd8= (worse is 16...Nc6 17.Bd6 Qb6 18.Bf8 Bf8 19.e5+/-; 16...Nb3? 17.Bd6 Qd6 18.Qd6 Nc1 19.Rc1+-)) 14...d5 (better is 14...Nec6 15.Nce6 Be6 (15...fe6?! 16.Be6 Kh8 17.Nf7 Rf7 18.Bf7+=) 16.Ne6 fe6 17.Be6 Kh8-+) 15.e5? (better is 15.Qg4-/+) 15...b5-+ (15...Nb3?! 16.Qb3 b5 17.Ba3+=) 16.Qg4 Nc4 17.Rc3? Nb2 18.Bc2 Rb7 19.Nh7 Kh7 20.Qh4 Bh6 21.g4 Ng8 22.g5 Qg5 23.Qg5 Bg5 24.f4 Be7 25.h4 Bb4 26.Rh3 0–1. Isetoft,Magnus (1680) – Vanman,Kent (2010), Hallstahammar op, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Bb2 Bg7 6.Bc4 Nf6 7.Nbd2 0-0 8.0-0 Nc6 9.Re1 Nd7 10.a3 ba3 11.Ra3 Nb6 ½–½. Seifert,Milan (2275) – Chmiel,Pavel (2280), CZE–chT Czechia, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Bb5 Bd7 6.c4 Bb5 7.cb5 Qa5 (7...d5 8.e5=+) 8.Qc2 (8.Qe2 Nf6=) 8...Nd7=+ 9.a4 ba3 10.Nc3 Ngf6 11.0-0 Bg7 (11...Qc7 12.Qd3=) 12.Ra3 Qc7 13.Bd2 0-0 (13...a5 14.ba6 Ra6 15.Ra6 ba6 16.Qa4+=) 14.Rfa1+= a6 15.ba6 Ra6 16.Ra6 ba6 17.Qd3 (17.Ra6 d5 18.e5 Ne4+=) 17...Rc8 (17...Nb8 18.Bg5=+) 18.Qa6+= Nf8? (better 18...Nb6+=) 19.e5+- de5 20.de5 (20.Ne5?! Ne6 21.Ra4 Re8=) 20...Ng4? (20...Qc4 21.Qc4 Rc4 22.ef6 Bf6+-) 21.Nd5 Qc5 (21...Ne5 22.Nc7 Nf3 23.gf3 Rc7 24.Rc1+-) 22.Qc8!! Qd5 (22...Qc8 23.Ne7 Double attack (23.Ne7 Decoy)) 23.Qg4 1–0. Bazza3 (2585) – mizuzul (2150), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 g6)

    5.Bb5 Bd7 6.Bc4 Qc8 7.Nbd2 Bg7 8.0-0 Nf6 9.e5 de5 10.de5 Ng4 11.Qe2 0-0 12.h3 Nh6 13.a3 Nc6 14.ab4 Nb4 15.Rb1 Nc6 16.Ba3 Nf5 17.Qe4 Be6 18.Be6=+ Qe6 19.g4 Nh6 20.Rb7 Ne5 21.Re7 Nf3 22.Qf3 Qf6 23.Qe2 Rfd8 24.Ne4 Qc6 25.Re1 Bf8 26.Qf3 Be7 27.Be7 Rdc8 28.Qf4 (28.Qf4 f5 29.Nf6 Kg7 30.Qe5+-) 1–0. Keres,Paul – Dyner,Israel, Ostend, 1937.

    5.c3 bc3 6.Nc3 Bg7 7.Be2 Bd7 8.Rb1 b6 (8...Nf6 9.Qd3=) 9.0-0 Qc7 (9...Nf6 10.e5 de5 11.Ne5+=) 10.Nd5 (10.Qb3 Nc6+=) 10...Qb7 (10...Qd8 11.Bf4 Nc6 12.Rc1+=) 11.Ne3 (better is 11.Qc2!? Bc6 12.Bd3+=) 11...Qe4= 12.Bd3 Qc6 13.d5 Qa4 (13...Qb7 14.Qe2 Nf6 15.Bb2=) 14.Qa4 (14.Qe2 Nf6=) 14...Ba4+= 15.Re1 (15.Rb4 Bd7+=) 15...Nf6 (15...Nd7 16.Bc4 a6 17.Bb3 Bb3 18.ab3-/+) 16.Bb2 (16.Rb4 Bd7+=) 16...0-0 (16...Nbd7 17.Bc2 Bc2 18.Nc2-/+) 17.Rbc1 (17.Rec1!?-/+) 17...Nbd7 18.Rc7 (18.Nd4 Nc5 19.Bf1 Rac8-+) 18...Rfe8 (18...Rfc8 19.Rc8 Rc8 20.Ba6-+) 19.Rc4 b5 20.Rb4 a6 21.g3 Nc5 22.Bb1 a5 23.Rd4 e5?? 24.Rd2? b4 25.a3 b3 26.Nc4 Red8 27.Nb6 Ra6 28.Na4 Na4 29.Ba1 b2! 30.Bb2 Nb2 31.Rb2-/+ e4 32.Be4?? Ne4-+ 33.Re4 Bb2 34.a4 f5 35.Re6 Be5 (35...Be5 36.Ne5 Raa8-/+ (36...de5?! 37.Ra6 Rd5 38.Ra7=)) 0–1. Kovacs,Norbert – Pongracz,Attila, Heves Hazi op rapid, 2000. (=1.e4 c5 2.b4 cb4 3.d4 d6 4.Nf3 g6)

    5.Bc4 Bg4 6.Bf7!+/- Kf7 7.Ng5 Ke8 8.Qg4 Nf6 (8...Nc6!? A) 9.Be3 Qc8 10.Qc8 (10.Qe6 Bh6 11.Qf7 Kd7 12.Qc4 Bg5+= 0.47) 10...Rc8+= 11.a3 Bh6 12.h4 e5+= 0.62; B) 9.Bb2 Nf6 10.Qe2 Qa5 11.d5 b3 12.Kd1 bc2+/- 0.81) 9.Qe6+- Qd7? (better is 9...Qc7 10.Nf7 Rg8+- 11.Bf4 Qd7 12.Nd6 Kd8+- 1.62) 10.Qf7 Kd8 11.Ne6 Kc8 12.Nf8 Qc6 13.Qe7 Qc2 (13...Qe4 14.Qe4 Ne4+-) 14.0-0 Nbd7 15.Nd7 Nd7 16.Bf4 1–0. Krol,Miroslaw – Napieraj,Kamil, Chelm/Hala MOSiR ul. Graniczna Poland, 2010. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Qd2 Bg7 6.Qb4= Qb6 (6...Nc6!? 7.Qb2 d5 8.ed5 Qd5=) 7.Qb6+/- ab6 8.Nc3 Nf6 9.Rb1 Nbd7 10.Bb5 0-0 11.0-0 e5 12.de5 Ne5 13.Be2 (13.Nd4 Rd8 14.Bf4 h6+/-) 13...Be6 14.a4 (14.Ne5!? Rfc8 15.Bd2+=) 14...Nf3 15.Bf3 Nd7 16.Nb5 Ra4 17.Nd6 Nc5 (better is 17...Ra2!?=) 18.Rb6+/- Ra2 19.Be3 Nd7 20.Rb7 Rc2 21.g3 Ne5 22.Bg2 (22.Kg2!?+/-) 22...Ng4+= 23.Ba7 Be5 24.Rd1 (better is 24.Nb5 Rd8 25.h3+/-) 24...Rd8-/+ 25.Bb8? (25.Rb8 Rb8 26.Bb8 Nf2 27.Rb1-+) 25...Bd6?? (better is 25...Nf2 26.Rdb1 Bd6 (26...Rd6?! 27.Bd6 Bd6 28.R1b2 Rb2 29.Rb2-+) 27.Bd6 Rd6-+) 26.Bd6 (26.Rd6 Rd6 27.Bd6 Rc1 28.Bf1 Bc4 29.Rb8 Kg7-+) 26...Nf2 (26...Rd6 27.Rd6 Rc1 28.Bf1-/+) 27.Rd4= Ng4 28.h3?? (28.Rb1!?=) 28...Ne3?? (better is 28...Rc1 29.Bf1 Ne3-+) 29.Bf3+= Bh3 30.Be5 Ra8 31.Rdb4 Rac8 32.Rb8 Rb8 33.Rb8 Rc8 34.Rb3 Rc1 35.Kf2 Ng4 36.Bg4 Bg4 37.Bf6 Rc8 38.e5 Be6 39.Rd3 Bf5 40.Ra3 Be6 41.Ke3 Rb8 42.Ra4 Rb3 43.Kf4 Rb8 44.Be7 Rc8 45.Kg5 Kg7 46.Bf6 Kg8 47.Rd4 Re8 48.Rb4 Rc8 49.Rb7 Re8 50.Be7 Kg7 51.Bf6 Kg8 52.Kh6 Rc8 53.Be7 Rc2 54.Bd6 Rc8 55.Re7 Ra8 56.Rb7 Rc8 57.Be7 Ra8 58.Bd6 Rc8 59.Rb6 Re8 60.Rb7 Rc8 61.Bc7 Re8 62.Bd6 Rc8 ½–½. Bereza,Pavel – Ardovsky,Philip, Internet Section, 2004. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Qd2 Bh6!? 6.Qd1 Bc1 7.Qc1 Nf6 +=.

    5.Bd2 Nc6 6.a3 ba3 7.Na3 Bg7 8.c3 e6 9.Bd3 Nge7 10.Nb5 0-0 11.0-0 b6 12.Bc1 (12.Bf4 e5 13.Be3 a6=+) 12...d5 (12...a6 13.Na3=+) 13.Ba3 Qd7 14.Nd6 de4 15.Be4 Rd8 16.Ne5 (worse 16.Nc8 Rac8 (worse 16...Nc8 17.Qa4 Nd4 18.Qd7 Rd7 19.Ba8 Ne2 20.Kh1+-; 16...Rdc8?! 17.Ne5 Qc7 18.Be7 Be5 19.de5 Qe7 20.Qd6=) 17.Re1 Nd5-/+) 16...Ne5 (16...Be5 17.de5 Qc7 18.Qc2+=) 17.Ba8 (17.de5?! Rb8 18.Qf3 A) 18...Be5? 19.Nf7 (19.Qf7 Kh8 20.Rfd1 Nf5 21.Bf5 ef5+/-) 19...Bg7 20.Rad1+-; B) 18...Nd5 19.Bd5 ed5 20.Qd5 Qe6 21.Qe6 Be6=) 17...Ba6 18.de5 (better 18.Re1!? Nd3 19.Bb7 Ne1 20.Ba6+/-) 18...Bf1=+ 19.Qf3 Be2 20.Qf7 Kh8 21.Bf3 Rf8 22.Bc6 (22.Qf8 Bf8 23.Be2=+) 22...Qc6?? (better 22...Qc7 23.Qe6 Nc6=+) 23.Qe7= Qc3 24.Rc1 Qd4 (24...Qa3? 25.Nf7 Rf7 26.Qa3+-; 24...Qe5 25.Nf7 Kg8 26.Ne5 Ba6 27.Rc7 Rf7 28.Qf7 Kh8 29.Qg7) 25.Nf7 Kg8 26.Qe6 h5?? (better 26...Qf4=) 27.Bf8 (better 27.Ng5 Kh8 28.Bf8 Qf2 29.Kf2 Bg4 30.Qg6 Bf8 31.Nf7) 27...Bf8 (27...Bc4 28.Qg6 Kf8+-) 28.Qg6 (28.Qg6 Bg7 29.Rc8 Qd8 30.Rd8) 1-0. Goldner,John (1680) - Sekki,Abderaouf, Pere Noel Open, lichess.org, 2019. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4)

    5.Bd3 Bg7 6.0-0 Nc6 7.Bb2 e6 8.Nbd2 Nge7 9.a3 ba3 10.Ra3 0-0 11.Re1 Qc7 12.c4 b6 13.Qa1 d5 14.e5 Bd7 15.h4 Na5 16.Rc1 dc4 17.Nc4 Nc4 18.Bc4 Bc6 19.Bb5 Qd7 (19...Qb7 20.Bc6 Nc6 21.h5+=) 20.Bc6?? (better is 20.Rc6 Nc6 21.Rc3+/-) 20...Nc6-/+ 21.Ng5 f6 22.d5 Ne5 (better is 22...ed5 23.ef6 Bh6+=) 23.Ne6+= (worse is 23.de6 Qe7-/+) 23...Rf7 24.Be5 fe5 25.Ng7 ½–½. Lauer,Roland – Sulzbach,Sven, Baden–ch MB Zell, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Bd3 Bg7 6.a3 ba3 7.Na3 Nc6 8.c3 Nf6 9.0-0 0-0 10.Bg5 Bd7 11.Re1 a6 12.Nc2 b5 13.Ne3 h6 14.Bh4 Re8 15.e5 de5 16.Ne5 Ne5 17.de5 Nh5 18.Qf3? Be5-/+ 19.Nd5 Bd6 20.Ne7=+ Be7 21.Be7 Qb6 22.Rad1 Bc6=+ 23.Qg4 Qc7 24.Bg6 fg6-/+ 25.Qe6 Kh7 26.Rd6 Ng7 27.Qg6 Kg8 28.Rde6 Bd5 29.R6e3 a5 30.Qh6 a4?? 31.Qg5+/- Bc4 32.Rg3 Qg3 33.hg3 a3 34.Ra1 a2 35.Bc5 Rad8 36.Bd4 Rd7 37.f4 b4? 38.Qc5 Bd5 39.cb4 Ne6 40.Qc3 Rc7? 41.Qd3 Bc4 42.Qg6 Ng7 43.Bg7 Bf7 44.Qh6 Bb3 45.Be5 (45.Be5 Re5 46.fe5+-) 1–0. Kramer,George M – Denker,Arnold S, USA–ch New York, 1946.

    5.Bd3 Bg7 6.a3 Nc6 7.ab4 Nb4 (7...Nd4? 8.Nd4 Nf6 9.0-0+-; worse 7...Bd4 8.Nd4 Nd4 9.Bb2+/-) 8.Be2 Nf6 9.c3 Nc6 10.0-0 0-0 11.Bd3 e5 12.h3 (12.d5 Na5=+) 12...Nh5 (12...d5!? 13.Bg5 de4 14.Be4 ed4 15.Bc6 bc6 16.cd4 Re8-/+) 13.Bg5 Bf6 14.Be3 Bg7 15.Nbd2 d5 16.ed5 Qd5 (16...ed4!? 17.cd4 Qd5=+) 17.Be4+= Qd8 18.d5 (18.Bc6 ed4 19.Bb7 Bb7 20.Bd4 Qc7=) 18...Ne7=+ 19.c4? (better 19.Bc5=+) 19...f5-+ 20.Bc2 e4 21.Ng5 h6 22.Ne6 (22.Nge4 Ba1 23.Qa1 fe4 24.Bh6 Rf7 25.Ne4 Bf5-+) 22...Be6 23.de6 f4 24.Bc5 Ba1 25.Ne4 Qd1 26.Rd1 Bg7 (better 26...Bf6!? 27.Rd7 Rfc8 28.Nf6 Nf6 29.Be7 Nd7 30.ed7 Rd8 (30...Rc4 31.Bb3 Kf7 32.d8Q Rd8 33.Bd8+=) 31.Bd8 Rd8 32.Bg6 Kg7-+) 27.Be7=+ Rfe8 28.Rd7 Bf8 29.Bd6 (29.Bf8 Kf8 30.Rf7 Kg8 31.Rb7 Re6=+) 29...Re6 30.c5 Kh8 31.Rb7 Bd6 32.Nd6 Rd8?? (better 32...Ng7=) 33.Nf7+- Kg8 34.Nd8 Re1 35.Kh2 g5 36.Bb3 Kf8 37.Ne6 Ke8 (37...Re6 38.Be6 Ng7 39.Rg7 Kg7+-) 38.Ba4 1-0. Vishnu,P (2475) - Chen,Ryo (2085), Titled Tuesday, 2020. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4)

    5.Bd3 Bg7 6.Bb2 Nc6 7.Nbd2 Bg4 8.h3 Bf3 9.Nf3 Rc8 10.0-0 e6 11.Re1 h5 12.Qd2 h4 (12...Nge7 13.a3 ba3 14.Ra3=) 13.Re2 a5 (13...g5 14.Bb5 g4 15.hg4=) 14.Rd1 (14.a3 ba3 15.Ra3 Nge7+=) 14...Nge7 15.c3 Rh5 16.cb4 (16.c4 Qb6 17.e5 de5 18.de5 Qc5=) 16...Nb4 17.Bb1 d5 18.a3 Bh6 19.Qe1 de4 20.Re4 Nbd5 21.Rh4 (worse is 21.Nh4 Qb6 22.Ba1 Qb3-+) 21...Rh4 22.Nh4 Qb6 23.Ba1 (23.Bc1 Bc1 (23...Qb1?! 24.Bh6 Qc2 25.Rc1=) 24.Rc1 Rc1 25.Qc1 Qd4-+) 23...Qb3 24.Rd3 Qa4 25.Bb2 Qb5 (25...Qb5 26.Rd2 Bd2 27.Qd2 Qb3-+) 0–1. Cambiaso,Luis – Mazzucchelli,Nestor, LADAC corr Argentina, 1951. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 g6)

    5.Bd3 Bg7 6.h3 Nf6 7.Nbd2 0-0 8.0-0 Bd7 9.a3 ba3 10.c4 Nc6 11.Ra3 Ne8 12.d5 Ne5 13.Ne5 Be5 14.Nf3 Bg7 15.Be3 b6 16.Nd4 Qc8 17.Qe2 Nc7 18.Rfa1 a5 19.Rb1 Rb8 20.Rab3 Na6 21.Rb6 Rb6 22.Rb6 Nc5 23.Nc6+/- Bc6 24.Rc6 Qa8 25.Bc5 dc5 26.Qa2 Bd4 27.Rb6 ½–½. Gereben,Erno – Huguet,Bernard, Monte Carlo–B, 1969.

    5.Be2 Bg7 6.0-0 Nf6=+ 7.e5 de5 8.Ne5 0-0 9.a3 ba3 10.Ba3 Nbd7 11.f4 Nd5 12.Qd3 Re8 13.Nd2? N5b6 14.Bf3 Qc7 15.g3 Ne5 16.fe5 Rd8 17.Qe3 Bf8 18.Bc5= e6 19.Bf8+= Rf8 20.Ne4 Kg7 21.Nf6 Rh8 22.Nh5 Kf8 23.Qh6+- Ke7 24.Qg7 Rf8 25.Qf6 Kd7+= 26.Qg7 Ke7 27.Nf4?? Ke8 28.Be4 Qc4 29.Rfd1 Nd5= 30.Bd5 ed5 31.Qf6 Be6?? 32.Ne6+- Kd7 33.Nf8 Rf8 34.Qd6 Ke8 35.e6 Qc6 36.ef7 Rf7 37.Re1 (37.Re1 Re7 38.Qe7) 1–0. Rehm,Ulrich – Kunze,Nicole, Sachsen–ch Gruenheide, 1997.

    5.Be3 Bg7 6.Nbd2 Nc6 7.Rb1 a5 8.Bb5 Bd7 9.0-0 Nf6 10.Qe2 Ng4 11.d5 Ne3 12.Qe3 Ne5 13.Bd7 Nd7 (worse is 13...Kd7 14.Ne5 Be5 15.Nc4+=) 14.a3 ba3 15.Qa3 (15.Rb7 Qc8 16.Ra7 Ra7 17.Qa7 0-0 18.Qa5 Qa8-/+) 15...Qc7 16.c4 (16.Rb5 A) worse is 16...Qc2 17.Rc1 (worse is 17.Rb7 Qc8 18.Rb5 a4+=) 17...Bb2 18.Qb2 (18.Rc2?! Ba3 19.Ra5 0-0 20.Ra8 Ra8=) 18...Qb2 19.Rb2+/-; B) 16...0-0-/+) 16...0-0-/+ 17.Rb5 Bf6 18.Rfb1 b6 19.g4 h6 20.Kg2 Kg7 21.h4 g5 22.hg5 hg5 23.Qe3 Kg6 (23...Rh8 24.Ng5 Rh4 25.Ngf3 Rg4 26.Kf1-/+) 24.Nd4 (24.Qd3 Be5+=) 24...a4-/+ 25.Qf3 (25.Nf5 Rh8-/+) 25...Rh8 (25...Bd4?? 26.Qf5 Kg7 27.Qg5 Kh7 28.Rh1) 26.Nc6 (26.Nc2 Ne5 27.Qf5 Kg7 28.Rb6 Ng6-+ (28...Nc4?! 29.Rc6 Qc6 30.dc6 Nd2 31.Rb7=)) 26...a3-+ 27.Nb3 a2 28.Re1 Kg7 29.Na1 Ne5 30.Ne5 Be5 (30...de5?! 31.Rc1-/+) 31.Qe2 Rh2 32.Kg1 Rah8 33.Qa2 Rh1 (33...Rh1 34.Kg2 Qc8 35.Qe2 Re1 36.Rb3 Re2 37.Rf3 Qg4 38.Kf1 Qf3 39.c5 Qf2) 0–1. Van Duuren,Louis – Draghici Flutur,Gavril (2065), IBCA EU–ch blind, 2003. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.a3 ba3

    6.Bb5 Nc6 7.0-0 Bg7 8.Ra3 Bd7 9.Re1 (9.d5 Ne5 10.Bd7 Nd7=) 9...Nf6 10.c4 a6 11.Ba4 0-0 12.e5 de5 (12...Ne8 13.Bg5 f6 14.ef6 Nf6 15.d5=) 13.de5= Ng4 14.Rd3 Qb6 (14...Nge5!? 15.Ne5 Ne5 16.Rd7 Nd7 17.Bd7 b6+=) 15.Rd7+/- Qf2 16.Kh1 Nce5 17.Rd2 (17.Ne5 Be5 A) 18.Re7?? Qh4 19.h3 Qg3-+ (19...Qe7?! 20.Qg4 Rfd8 21.Bg5+=); B) 18.Bg5+=) 17...Nc4+= 18.Rde2 Qc5 19.Qc2 b5 20.h3 Nh6 21.Bh6 Bh6 22.Bb3 Rac8 23.Qa2 (23.Re7 Rfd8+=) 23...e6 24.Bc4 (24.Qa6? Ra8 25.Qb7 Na5-+) 24...Qc4 25.Qa6 b4 26.Qc4 (26.Qa7!?=) 26...Rc4+= 27.Nbd2 Rc2 28.Kg1 Rd8 29.Nb3 Rc3 30.Rb1 Bf8 31.Kf1 Rdc8 32.Ra2 R8c7 33.Rab2 Kg7 34.Nbd4 R3c4 35.Rd1 Be7 36.Nb5 Rc1 37.Nc7 Rd1 38.Ke2 Rd7 39.Nb5 e5 40.Ne1 f5 41.Nc2 Rb7 42.Nc3 Bc5 43.Nd5 e4 44.Ncb4 Rb5 45.Kd2 Bd6 46.Ke3 Kh6 47.Kd4 Kg5 48.Nd3 Rb2 49.Nb2 Kh4 50.g4 (50.Ne3 f4 51.Ke4 fe3+=) 50...fg4 (50...Kh3 51.gf5 gf5 52.Nc4-/+) 51.hg4 Kg4 52.Ke4 ½–½. Salvador Marques,Carlos (2360) – Grego,Luis Jose Gonzaga (2305), POR/TC11 (POR), 2011. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 g6 5.a3 ba3)

    6.c3 Bg7 7.Bd3 Nc6 8.Na3 Nf6 9.0-0 0-0 10.Bd2 a6 11.Nc2 Bg4 12.Ne3 Bf3 13.Qf3 Qc7 14.Ra3 b5 15.Nd5 Nd5 16.ed5 Na5 17.Re1 Nc4=+ 18.Bc4 bc4 19.Qe2 Rfe8 20.Ra4 a5 21.g3 Qb7 22.Qc4= Rec8 23.Qa2+= Bf6 24.Rb1 Qa6 25.c4 Bd4?? 26.Ra5+- Qa5 27.Ba5 Bc3 28.Rb5 Ra6 29.Qe2 Ba5 30.Qe7 Rc7 31.Qd8 Kg7 32.Ra5! Ra5 1–0. usingprogram (1880) – educ4, internet, 2011.

    6.c3 Bg7 7.Bd3 Nf6=+ 8.0-0 0-0 9.Ba3 Nc6 10.Ne1 a6-/+ 11.f4 b5 12.Nc2 Bb7 13.Nd2 Na5 14.Ne3 Rc8 15.Rc1 Re8 16.g3 e5 17.d5?? Qb6-+ 18.Re1 ef4 19.gf4 Nd5! 20.Qf3 Ne3 21.Re3 Bc3 (21...Bc3 22.Nf1 Nb3 23.Rc3 Rc3-+) 0–1. Konstacky,M (2025) – Kadziolka,B (2345), Czech Christmas, Litomysl CZE, 2006.

    6.c3 Bg7 7.Bd3 Nf6 8.0-0 0-0 9.h3 Qc7 10.Be3 Be6 11.Na3 Qc3 12.Nb5+= Qc8 13.Rc1 Nc6 14.d5 Bd5 15.ed5 Nd5 16.Bg6?? Ne3-/+ 17.Bh7 Kh7 18.Ng5?? Kg6-+ 19.fe3 Kg5 20.Rc4 f5 21.Qe1 Be5 22.Qh4 Kg6 23.g4 Rh8 24.gf5 Kf7 25.Qe4 Rh3 26.Qd5 Kf6 27.Rg4 Rg3 28.Rg3 Bg3 29.Nc7 Rb8 30.Ne8 Qe8 31.Qe6 Kg7 32.Rf3 Be5 33.Rh3 Kf8 0–1. Varlotta,Adolfo R – Silva Nazzari,Roberto, URU–ch Montevideo, 1960.

    6.Bc4 e6 7.0-0 Bg7 8.Ba3 Ne7 9.Nbd2 0-0 10.Rb1 Qc7 11.e5 de5 12.de5 Nbc6 13.Bd6 Qd8 14.Re1 f6 15.Ne4 fe5 16.Nfg5 Kh8 17.Be6 (17.Ne6?! Be6 18.Be6 b6=) 17...Qe8 18.Qd3 (better is 18.Ba3 Be6 19.Ne6+/-) 18...Nd8? (better is 18...b6+=) 19.Qh3 h6 (19...h5 20.Bc8 Nc8 21.Bf8 Bf8+-) 20.Be5! Ne6 (20...Be5 21.Qh6 Mate attack) 21.Qh6 (21.Qh6 Kg8 22.Qh7) 1–0. Kordonowski,Frank – Kloss,Detlev, Ruhrgebiet VK2–chT, 1995. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.a3 ba3)

    6.Bc4 e6 7.Nc3 a6 8.Ba3 Qc7 9.Qd3 b5 10.Bb3 Nd7 11.0-0 Bb7 12.Ng5 (12.Bb4 Bg7=) 12...Rc8 13.Bb4 h6 (13...d5!? 14.Ba5 Qf4-/+) 14.Ba5= Qb8?? (14...Nb6 15.Qh3 d5 16.ed5+-) 15.Ne6?? (better 15.Qh3 hg5 16.Qh8+-) 15...fe6= 16.Be6 Ne7 17.Rfe1 Bg7 18.Qh3 Nf8 19.Nd5? (19.Bc8 Qc8 (19...Nc8?! 20.Nd5+=) 20.Qd3 Ne6-/+) 19...Bd4 (19...Rc2 20.Ne7 Ke7 21.Bb3-+) 20.Rad1? (better 20.Bc8 Qc8 21.Nc7 Kf7 22.Qf3 Kg7 23.Bc3-/+) 20...Bg7?? (20...Qa7 21.Bc8 Bf2 22.Kh1 Bc8 23.Qc3 Be1 24.Re1+=) 21.Qh4?? (better 21.Bc8 Bc8 22.Qh4=) 21...Bd5-+ 22.Bc8 g5 (22...Nc8 23.ed5 Kf7 24.Qf4 Kg8 25.Re8+-; 22...Qc8?! 23.ed5 Be5 24.f4-/+) 23.Qg3 Be5 (23...Nc8?! 24.Bc3 Be5 25.ed5=+) 24.Qa3 Qc8 (24...Nc8?! 25.ed5 Ng6 26.Qf3-/+) 25.ed5 Nfg6 (25...Qc2 26.Bb4 Qa4 27.Bd6 Qa3 28.Ba3-/+) 26.Bb4-/+ Qd7 (26...Nh4!? 27.h3 Qc2 28.Bd6 Bd6 29.Qd6 0-0=+) 27.Qa6=+ Attacks the isolani on d6 27...Kf7 (27...0-0 28.Re5 de5 29.Be7 Ne7 30.Qh6-/+) 28.g3 (28.Qa3 Rc8 29.Rd2 Rc4-/+) 28...Rc8-/+ 29.Re2? (better 29.Rd2-/+) 29...Qg4-+ 30.Qb5 Rc2! 31.Bd2 (31.Rc2 Qd1 Double attack (31...Qd1 Pinning; 31...Qd1 Deflection; 31...Qd1 Decoy)) 31...Nf4 32.Ree1 Nfd5 (32...Ned5? 33.Bf4 Qf3 34.Qd5 Qd5 35.Rd5 gf4 36.gf4+-) 33.Qd3 Qf5 34.Re4 (34.Qf5 Nf5 35.Bg5 Nc3-+) 34...Rb2 (34...Nc3 35.Qc2 Qe4 36.Qb3 Qd5 37.Qd5 Ned5 38.Re1-+) 35.Qc4 (35.g4 Qg6 36.Bc1 Rb4 37.Rb4 Qd3 (37...Nb4?! 38.Qb3 Ned5 39.Rd5 Nd5 40.Qd5 Qe6 41.Qb7 Kg6 42.Qe4 Kf6 43.Qf3 Kg7 44.Be3=+) 38.Rd3 Nb4-+) 35...Kg6 36.Ree1 Nc3?? (better 36...g4-+) 37.Re5=+ de5 (worse 37...Qe5 38.Bc3 Rc2 39.Qd3 Qf5 40.Qd6 Kh5 41.Bd2+-; 37...Nd1?? 38.Rf5 Nf5 39.Be1+-) 38.Qc3 Rc2 (38...Qc2 39.Qc2 Rc2 40.Kg2=+) 39.Qb3= g4 40.Qe3 Ng8 41.Bc3 Exerts pressure on the isolated pawn 41...Qf3 Attacks the backward pawn on f2 42.Qf3 gf3 43.Be5 Kf5 (43...Re2 44.Bd4 Nf6 45.h3+=) 44.Bg7 (44.Bf4!?+-) 44...Kg6+= 45.Bh8 Ne7 (45...Nf6 46.Bf6 Kf6 47.h3+-) 46.h3 Nf5 (46...Kh7 47.Bf6 Nf5 48.Rd3+-) 47.Be5 (47.Rd3 Ng3 48.fg3 Rg2 49.Kf1 Rg3+-) 47...Re2? (47...Rc5 48.Bf4 Rc4 49.Rd3+-) 48.Bf4 (48.Bc3 Ne7+-) 48...Kf6? (better 48...Re4!?+-) 49.Rd3 Re1 50.Kh2 Re2 51.Rf3 Nd4 52.Rd3 (52.Rd3 Rf2 53.Kg1 Rf4 54.gf4 Ne2 55.Kh2 Nf4 56.Rd8+-) 1–0. Gareyev,Timur (2610) – Yahia,Mustapha (1915), Gareev, 2016. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 g6 5.a3 ba3)

    6.Bd3 Bg7 7.Na3 Nf6 8.0-0 0-0 9.h3 b6 10.e5 de5 (better 10...Nd5=+) 11.de5+/- Nd5 12.Be4 Nc7 13.Ba8 Na8 14.Bg5 Nc6 15.Qd8 (15.Qe2!?+/-) 15...Rd8= 16.Rfd1 Rd1 17.Rd1 Nc7 18.c4 a6 (better 18...Ne6=) 19.Be3+/- b5 20.cb5 Nb5 21.Nb5 ab5 22.Rc1 (22.Rd5!?+-) 22...Bd7+/- 23.Rc5 b4 24.Rb5 h5 25.Bc5 Kh7 (25...Ne5!? 26.Rb8 Kh7 27.Ne5 Be5 28.Rb4 Be6+/-) 26.Bb4+- Nb4 (26...Bf5 27.Bc3+-) 27.Rb4 Kh6 28.Rb7 Bc6 29.Re7 f6 (29...Bf3 30.gf3 g5 31.Kg2+-) 30.ef6 (better 30.e6 Bf8 31.Rf7 Bb4+-) 30...Bf6 31.Re6 Bf3 32.Rf6 Be4 33.f3 Bf5 34.Kf2 (34.Kf2 Kg7 35.Rb6+-) 1-0. Bortnyk,Mykola (2470) - Neelash,Saha (2410), Titled Tuesday, 2020. (=1.Nf3 d6 2.e4 c5 3.b4 cb4 4.d4)

    6.h3 Bg7+= 7.Ra3 e6 (7...Nf6 8.Bd3+=) 8.Bg5 (8.Nc3 Nc6=) 8...Ne7+= 9.Qd2 (9.Bd3 0-0+=) 9...0-0 10.Bd3 Nbc6 11.d5 (11.Bh6 f5+=) 11...ed5-/+ 12.ed5 Ne5 13.Ne5 Be5 14.0-0 Qc7 15.c4 b6 (15...Re8 16.Nc3+=) 16.Nc3 Bf5 17.Nb5 Qd7 18.Be2 h5 (18...a6 19.Nd4 Rfe8 20.g4=) 19.Nd4 Rfe8 20.Bd1 Qc8 (20...Qc7 21.Nf5 Nf5 22.Ba4=) 21.Be7 (better is 21.Nf5!? Nf5 22.Ba4+=) 21...Re7+= 22.Nc6 Re8 23.Qg5 (23.Re1 Bd7+=) 23...Qc7 (23...Kh7 24.Qh4+=) 24.Bh5= Bg7 (24...f6!? 25.Qd2 gh5=) 25.Bg4+= Bg4 26.Qg4 a6 27.h4 (27.Rb1 a5+/-) 27...b5+= 28.h5 bc4 29.hg6 fg6 (29...c3 30.Rc1+=) 30.Qc4 (30.Qg6 Qf7 31.Qd6 c3+/-) 30...Qf7+= 31.Rf3 Qd7 32.Qd3 Qg4 33.Qa3 Qd7 34.Rg3+/- Kh7 35.Rh3 Kg8 36.Qg3 Kf7 37.Qf4 Kg8+/- 38.Qg3 Kf7 39.Rh4 Bf6 40.Rh7 Bg7 41.Nd4 Rh8 42.Qf4 Kg8 43.Rh8 Kh8 44.Ne6 Be5 45.Qg4 Qh7 46.f4 Bf6? 47.Rf3+- Kg8 48.Rh3 Qf7 49.Rh6 g5 50.Qf5 Qa7 51.Kh2 Bg7 52.Rg6 Qf7 53.Rg7 (53.Rg7 Qg7 54.Ng7 Kg7 55.Qd7 Kh6 56.f5+-) 1–0. Zecevic,Dean (2275) – Kinez,Ivo (2135), Velika Gorica CRO, 2012. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4)

    6.Na3 Bg7

    7.Nb5 Nc6 8.Ra3 Bg4 9.d5 Ne5 10.Na7 (10.Ra7? Ra7 11.Na7 Qa5 12.Bd2 Qa7 13.Bb5 Kd8-+) 10...Nf6 11.Bb5 Nfd7 12.h3 Nf3 13.gf3 Bh5 14.Be2 Qb6 15.Nb5 Ra3 16.Na3 Qb4 17.Kf1 0-0 18.Rg1 Rc8 19.Rg3 Nc5 20.Nb5 Ne4! 21.fe4 Qb5! 22.Bb5 Bd1 23.c4 Bc2 24.Ra3 Be4 25.Re3? (better is 25.Bg5-/+) 25...Bd5!-+ 26.Re7 (26.cd5 Rc5 Double attack (26...Rc1 Pinning; 26...Rc1 Deflection; 26...Rc5 Decoy)) 26...Bf8 (26...Bc4?! 27.Bc4 Bf6 28.Bf7 Kf8 29.Rb7 Rc1 30.Kg2+=) 27.Rd7 Bc4 28.Bc4 Rc4 29.Ba3 b5 30.Rb7 Rc3 31.Bb4 Rh3 32.Rb5 Kg7 33.Rd5 Rh4 34.Bd6 Bd6 35.Rd6 Rg4 36.f3 Rg5 37.Kf2 h5 38.Rd4 Rf5 39.Kg3 g5 40.Ra4 Kg6 41.Ra8 h4 42.Kf2 Rb5 43.Kg2 Kf5 44.Ra2 f6 45.Rc2 Rd5 46.Re2 Rd4 47.Ra2 Kf4 48.Ra6 f5 49.Ra2 Ke3 50.Ra5 Kf4 51.Ra2 h3! 52.Kh3 Kf3 53.Ra3 Kf4 0–1. Schischke,Reinhard (2360) – Krakops,Maris (2230), Berliner Sommer, 1993. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.a3 ba3)

    7.c3 Nf6 8.Qc2 0-0 9.Bd3 Bg4 10.Ng5 h6 11.h3 Bd7 12.Nf3 Nc6 13.Be3 d5 14.e5 Ne4 15.Be4 de4 16.Qe4 Bf5 17.Qh4 g5 18.Qg3 Qa5 19.Bd2 Qa6 20.Nc2 (20.d5!? Na5 21.h4+=) 20...Qd3-/+ 21.Ne3 Be6 22.Rd1 (22.h4!? f6 23.d5 Bd5 24.Nd5 Qd5 25.0-0-/+) 22...Bb3 23.Rc1 f5 (23...Rae8 24.c4 Nd4 25.Nd4 Qd4 26.h4-/+) 24.Qh2?? (better is 24.ef6 ef6 25.c4-+) 24...f4-+ (24...f4 25.Qg1 fe3 26.fe3 Qe4-+) 0–1. Koch,Christian (1925) – Niedermeier,T (2225), Pyramiden Cup, 2015. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.a3 ba3)

    7.c3 Nf6 8.Bd3 0-0 9.h3 Nc6 10.0-0 e5 11.d5= Na5 12.Qa4 b6 13.Bb5 a6 14.Bc6 (14.Bd3 Qc7 15.Nb1 Bd7-/+) 14...Bb7 (14...b5!? 15.Qb4 Nc6 16.dc6 d5 17.Nb5 Ne4-/+) 15.Bb7-/+ Nb7 16.Nd2 b5 17.Qc2 Qc7 18.Nb3 Rfc8 19.Nb1 Nd7 20.Be3 Ndc5 21.N3d2 Qd7 22.Ra3 a5 23.Qa2 a4 24.f3 Na5 25.Rc1 Ncb3 26.Re1 Nc4 (26...f5 27.Nb3 Nb3 28.Nd2 Nd2 29.Qd2-/+) 27.Nc4 Rc4?? (better is 27...bc4 28.Nd2 f5-/+) 28.Rb3+- Rac8 29.Rb4 Rb4 30.cb4 Rc4 31.Qd2 f5 32.Rc1 f4 33.Bf2 Qc7 34.Rc4 Qc4 35.Qc3 Qa2 36.Na3 Bf8 37.Nb5 Qb1 38.Be1 Be7 39.Na3 Qd1 40.Nc2 Bh4 41.Kf1 Bg3 42.b5 Qb1 43.Na3 Qd1 44.Nc2 Qb1 45.Nb4 a3 46.b6 a2 47.b7 Be1 48.b8Q Kg7 49.Qcc7 Kh6 50.Qf8 Kg5 51.Qce7 Kh5 52.Qh7 Kg5 53.Qfe7 1–0. Husarik,Branko (2080) – Hase,Pavel (2090), Czechia KP–chTA, 2007. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.a3 ba3)

    7.Bd3 Nc6 8.c3 Nf6 9.h3 0-0 10.0-0 e6 11.Re1 h6 12.Bf4 Re8 13.Qd2 Kh7 14.Nc4 e5 (14...d5 15.Nd6 Re7 16.e5=) 15.de5+= de5 16.Nfe5 (16.Nce5 Ne5 17.Be5+= (worse 17.Ne5 Nh5 18.Nf7 Qf6 19.Bh6 Qf7=+)) 16...Ne5= 17.Ne5 Be6 (17...Nh5 18.Nf7 Qf6 19.Bh6 Qf7 20.Bg7 Kg7 21.e5-/+) 18.g4 (18.Nf3 a6+=) 18...Nd7= 19.Nd7 Qd7 20.Qc2 a6 21.Bf1 Rac8 Attacks the isolani on c3 22.Re3 Qe7 23.Qb2 Qf6 (23...Bc4 24.Bg2=+) 24.Bg3 Qe7 (24...Rc3?? 25.e5 Re3 26.ef6+-) 25.Ra5 (25.Bg2 Red8=+) 25...Red8=+ 26.Kh2 Rd7 27.e5 Rcd8 28.c4 Rd2 29.Qb6 Qg5 30.Raa3 h5 31.gh5 (31.Qb7? A) 31...hg4?! 32.h4 Qf5 33.Kg2=+ (33.Qa6?? Rf2 34.Bg2 Rdd2-+); B) 31...h4 32.Qf3 hg3 33.Qg3 R8d4-+) 31...Qh5 32.Qb7 Rd1 33.Qg2 Rc1 Exerts pressure on the isolated pawn 34.Be2 (34.Re4 Rf1 35.Qf1 Rd1+-) 34...Qf5 (34...Qh6!? 35.h4 Re1+=) 35.Re4 Qg5 36.Qf3 (36.Ra6 Rc2 37.Ra7 Qd2+-) 36...Qe7 (better 36...Bf5!? 37.Ree3 Rd4+-) 37.Bh4+- g5 38.Qh5 Bh6 39.Rf3 Rg8? (39...f5 40.ef6 Qf7 41.Qf7 Bf7+-) 40.Rf6 Rg6 (40...Qf8 41.Bd3 Rc3 42.Bg5 Rg6+- (worse 42...Rg5 43.Rh6 Qh6 44.Rh4 Kh8 45.Qh6 Kg8 46.Qh8)) 41.Bg5! Qf8 (41...Rg5 42.Qh6 Double attack (42.Rh6 Pinning; 42.Rh6 Deflection; 42.Qh6 Decoy; 42.Rh6 Overloading)) 42.Bc1 Qg7 43.Qh6 (43.Bf1 Rf6 44.ef6 Qf6+-) 43...Rh6 44.Bh6 Qg8 (44...Qh6 45.Rh6 Kh6 46.c5+-) 45.Rh4 Qb8 46.Bf8 (46.Rf3 Qe5 47.Bf4 Kg8 48.Be5 f6 49.Rf6 Kg7 50.Rff4 Kg6 51.Bh5 Kg5 52.Bf6 Kh6 53.Bf7) 46...Kg8 47.Bd6 Qb2 48.Rf3 f5 49.Rg3 Kf7 50.Bh5 1–0. Savov,Ilko Ananiev (1905) – Iliev,Hristiyan (1655), 32nd Teteven Open (7), 2018. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.a3 ba3)

    7.Bd3 Nf6 8.0-0 0-0 9.c4 Nc6 10.Bb2 Bg4 11.Nc2 Nd7 12.h3 Bf3 13.Qf3 e5 14.d5 Ne7 15.Qe2 (15.Ba3 Qc7=+) 15...f5 16.Ba3 Qc7 17.Ne1 (17.Rfe1 fe4 18.Be4 Nf6=+) 17...Nc5 (17...Nf6 18.ef5 e4 19.fg6 hg6 20.Bb1 Nfd5 21.cd5 Ba1 22.Be4-/+) 18.Bc5=+ Qc5 19.Nf3 h6 20.Rfb1 b6 21.Ra6 ½–½. Gonzalez Intelangelo,G (1970) – Ramirez Maillo,C (1770), 1st Torneo Internacional Ciudad Galdos, 2016. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.a3 ba3)

    7.h3 Nc6 8.Be3 Nf6 9.Bd3 Bd7 10.0-0 0-0 (10...Nb4 11.Qd2 Nd3 12.cd3=) 11.Rb1= Rb8 (11...b6!?=) 12.d5+= Qa5? (better 12...Ne5 13.Ne5 de5 14.Ba7 Ra8+-) 13.Nc4+- (13.Nc4 Qc7 14.dc6 bc6 15.Qd2+-) 1–0. Janek – Frederico, internet, 2018.

    7.h3 Nf6 8.Bd3 Nc6 9.c3 0-0 10.0-0 Nd7 11.Be3 Nb6 12.Qd2 f5=+ 13.Ng5 fe4-/+ 14.Ne4 Bf5 15.Rfb1 Qd7 16.Nb5=+ Nd5 17.Qa2 e6 18.Bd2 Be4 19.Be4 Nf6 20.Bf3 Rfe8 21.Bf4= Bf8 22.Bg5 Be7 23.Re1 a6 24.Nd6+/- Bd6 25.Bf6 Qf7 26.Bg5 Qf5 27.Bh4 h5? 28.Be4+- Qf7 29.Re3 Kh7 30.Qe2 Rh8?! 31.Bg5 Kg7 32.Rf3 Qc7 33.Bf6 Kh6 34.Qe3 Kh7 35.Qg5 (35.Qg5 Bh2 36.Kh1 Ne5 37.Qh5 Kg8 38.Qh8 Kf7 39.Be5 Bf4 40.Rf4 Ke7 41.Qg7 Kd8 42.Rf8) 1–0. Vozovic,O (2285) – Topel,Z (2085), 6th ch–EURw, Chisinau MDA, 2005.

    5.Bc4 Bg7

    6.0-0 Qc7 7.Qe2 (7.Qd3 Nf6=) 7...Bd7 (7...Nc6 8.c3+=) 8.a3 Na6 (8...Nc6 9.Rd1=) 9.e5 d5 (better is 9...Rc8!? 10.Nbd2 Qb6=) 10.Bd5+/- (10.Ba6?! ba6 11.Qa6 Qb6 12.Qb6 ab6+=) 10...e6 (10...Rc8 11.ab4 Nb4 12.Bf7 Kf7 13.e6 Ke8 14.ed7 Qd7 15.c4+/-) 11.Bc4 Rc8 12.Nbd2 Ne7 13.Ne4 Nf5 14.Bd3 h5 (14...h6 15.Rd1+/- (15.Ba6?! ba6 16.Qa6 Qc2+=)) 15.Rb1 (15.Ba6?! ba6 16.Qa6 Qc2+=) 15...0-0 (15...Ba4!? 16.ab4 Bc2 17.Bb5 Kf8+/-) 16.ab4+- b5 17.Bg5 (17.Bb5?! Bb5 18.Qb5 Qc2+/-) 17...Rb8 (17...Qb6 18.c3+-) 18.Nf6 Kh8 19.Qd2 (19.Rb3 Rfd8 20.Nd7 Rd7 21.Bb5 Nd4 22.Nd4 Rd4 23.Ba6 Be5+-) 19...Bc6 20.d5! Bd7 (20...Bd5 21.Nd5; 20...ed5 21.Bf5) 21.Ra1 Bc8 22.d6 Qc6 (22...Nd6 23.ed6 Qd6 24.Nh5 Qb4 25.Bf6 Qd2 26.Bg7 (26.Nd2?! gh5 27.Bg7 Kg7+=) 26...Kg8 27.Nd2 gh5 28.Bf8 Kf8 29.Rfb1+-) 23.Be4 Qb6 (23...Qc4 24.d7 Rd8 25.dc8Q Rbc8 26.Bd3+- (26.Ra6?! Rd2 27.Nd2 Qb4+-)) 24.Nh5! gh5 25.Bf5 f6 (25...ef5 26.Bf6 Kh7 27.Bg7 Kg7 28.Qg5 Kh7 29.Qh5 Kg7+-) 26.Bf6 Rf6 27.ef6 Bf8 (27...ef5 28.Qg5 Rb7+-) 28.Qg5 (28.Qg5 Qb7 29.d7 Qd7 30.Ne5 ef5 31.Ng6 Kg8 32.Ne7 Kf7 33.Qg6 Ke6 34.Rfe1 Kd6 35.Qg3 f4 36.Qf4) 1–0. Yerhoff,Frank J – Chappuis,Gaston, corr, 1956. (=1.e4 c5 2.Nf3 d6 3.b4 cb4+= 4.d4 g6)

    6.0-0 e6 7.a3 ba3 8.Na3 a6 9.Bf4 Nc6 10.d5 Ne5 11.de6 Be6 12.Be6 fe6 13.Ng5 Ke7 14.Be5 de5 15.Qb1+= Nh6 16.Qb3 Qc8 17.Nc4+/- b5 18.Qb4 Kf6 19.Ne5 1–0. Bronstein,David I – Levin,Alexander M, URS Soviet Union, 1969.

    6.a3 ba3 7.Qe2 Nf6 8.e5 de5 9.de5 Ng4 10.Ra3 (10.Na3? Ne5 11.Bb2 Nf3 (11...Nc4?! 12.Bg7 Rg8 13.Nc4 Rg7 14.0-0-/+) 12.Qf3 A) 12...Bb2? 13.Qf7 Kd7 14.Rd1 Kc7 15.Nb5 (15.Rd8?! Kd8 16.Qd5 Nd7+/-) 15...Kc6 16.Rd8 Rd8 17.Qf3 Kb6 18.Qe3 Kc6 19.Na7 Ra7 20.Qa7 Bc3 21.Ke2 Bg4 22.f3 Rd2 23.Ke3 Bd4 24.Qd4 (24.Kd2?! Ba7 25.fg4 Nd7+-) 24...Rd4 25.Kd4+-; B) 12...Qa5 13.c3 Qe5 14.Be2 Nc6-+) 10...Nc6 11.0-0 (11.Bf4!?-/+) 11...Nge5 (11...Be5?! 12.h3 Bd6 13.hg4 Ba3 14.Na3 Bg4 15.Nb5=) 12.Ne5 Be5 13.Bh6 Qd4 14.Rd1?? (better is 14.h3-+) 14...Qh4 15.f4 Bg4 (15...Qh6?! 16.fe5 0-0 17.Bd5-+) 16.Qf1 Bf6 (better is 16...Bd1!? 17.fe5 0-0-0 18.Be3 Bc2 19.Nd2-+) 17.Bg5 Bg5 18.fg5 0-0 19.Qf4 e5 20.Qe4 Qg5 21.Rg3 Bf5 22.Qe2 (22.Rg5?? Be4 23.Bb3 Rad8-+) 22...Qe7 23.Rf1 (23.Qf2 Rfd8 24.Nc3 Rd1 25.Nd1 Qb4-+) 23...Qc5 24.Kh1 (24.Rf2-+) 24...Nd4 25.Qf2 Qc4 0–1. Odinaev,Timur (2270) – Loskutov,Oleg (2395), RUS SFO–ch Russia, 2007. (=1.e4 c5 2.b4 cb4 3.Nf3 d6 4.d4 g6)

    6.a3 ba3 7.Ng5 Nh6 8.h4 Nc6=+ 9.c3 Na5 10.Ba2 Bd7 11.h5 e6 12.Na3 Qe7 13.f4 e5 14.fe5 de5 15.0-0 f6 16.Nf3 Ng4 17.Nc4 Nc4 18.Bc4 Bh6 19.Ba3?? Be3-+ 20.Kh1 Qg7 21.Nh2 Nh2 22.Kh2 Qh6 23.de5 Qg5 24.Bf7 Kd8 25.Be7? Ke7-+ 26.Qd6 Kd8 27.Be6 Qh5 28.Bh3 Qe5 29.Qe5 fe5 30.Rad1 Bd4! 31.Rf7?? Bh3 32.Kh3 Ke8 33.Rb7 Rd8 34.cd4= ed4 35.Ra7 d3 36.Kg4 h5=+ 37.Kg5 d2 38.Ra2+= Rd3 39.Rad2 Rd2 40.Rd2 Kf7 41.Rd7 Ke6 42.Rd3 Ke5= 43.Re3 Kd4 44.Re1 Ke5+= 45.Kg6 ½–½. Florian,Jaromir – Malcanek,Oldrich, CZE–ch sf Brno, 1957.

    6.Bb2 Nf6 7.Qe2 0-0 8.0-0 d5 9.e5? (better 9.ed5 Nd5 10.a3-/+) 9...dc4-+ 10.ef6 Bf6 11.Qc4 Nc6 12.Nbd2 Be6 13.Qd3 Bd5 14.Rfe1 Rc8 15.a3 ba3 16.Ba3 Bf3 17.Nf3 Nd4 18.Nd4 Qd4 (18...Bd4?! 19.Be7 Qb6 20.Rab1 Bf2 21.Kf1=) 19.Qd4 Bd4 20.Rab1 (20.Rad1 Rc4 21.Re7 b5-+) 20...Rc2 21.Re7 Rf2 22.Kh1 Ra2 23.Bd6 Ra1 (23...Rd8!? 24.Bg3 a5 25.Reb7-+) 24.Reb7 Rb1 25.Rb1 Re8 26.g4 h6 27.Kg2 Bb6 28.h4 Re6 29.Bf4 g5! 30.hg5 hg5 31.Bg5 Rg6 32.Bf4 Rg4 33.Kf3 Rg6 34.Ke4 Rg1 35.Rb3 Kf8 36.Bd6 Ke8 37.Rd3 Rf1 38.Rh3 Kd7 39.Bf4 Ke6 40.Rh6 f6 41.Bd2 Kf7 (41...a5 42.Rh8-+) 42.Kd3 Kg7 43.Rh3 Rg1 44.Ke4 Rd1 45.Bc3 Rf1 46.Bd2 Rf2 47.Bf4?? (better 47.Bc3-/+) 47...f5!-+ 48.Kf5 Bc7 49.Rh4 (49.Ke6 Rf4 50.Rg3 Kh6-+) 49…a5 0–1. Zamudio,J (2080) – Quiroga,F (2265), Norberto La Porta Cup (3), 2019. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6)

    5.Nbd2 Bg7

    6.Rb1 a5 7.Bd3 Nf6 8.0-0 0-0 9.a3 ba3 10.Ba3=+ b6 11.c4 Nc6=+ 12.d5 Nb8 13.Re1 Nfd7=+ 14.Nb3 Nc5 15.Nbd4 e5 16.de6 fe6 17.Nb5 Ba6 18.Bc2 Bb5=+ 19.cb5 Ra7 20.e5 Rd7 21.ed6 Rd6 22.Qe2 Nbd7 23.Rbd1 Rd1 24.Rd1 Qc7 25.Ng5 Re8 26.h4 Qe5 27.Qe5 Be5 28.h5 gh5=+ 29.Bh7 Kg7 30.Bb1 Kf6 31.Nf3 Bc7 32.Nd4 Ne5 33.Bb2 Nc4-/+ 34.Ba1 e5 35.Nc6=+ Kg5 36.Ba2 Na3 37.Rd5 Kf4 38.Na5 Nb5 39.Nc4 Ra8 40.Rd2 Nb3 41.Bb3 Ra1-/+ 42.Rd1 Rd1 43.Bd1 h4 44.Ne3 Nc3 45.Bb3 b5 46.Nd5= Nd5 47.Bd5 e4 48.Kf1 Ke5 49.Bf7 Kd4 50.Ke2 Bb6 51.f3 e3-/+ 52.Bg6? Bc7-+ 53.Bh7 Bf4 0–1. Tsifanskaya,L (2215) – Igla,B (2205), ch–ISR w, Ramat Aviv ISR, 2004.

    6.Bb2 Nf6 7.Bd3 0-0 8.0-0 Nh5 9.Re1 Nc6 10.Bf1 Nf4 11.h3 Bd7 12.Kh2 Rc8 13.g3 Ne6 14.Nc4 Na5 15.Ne3 b5 (15...Bc6 16.e5 Bf3 17.Qf3 de5 18.de5-/+) 16.a3 ba3 17.Ra3 Nc5 18.Nd5 Na4 19.Bc1 e6 20.Ne3 b4 21.Ra1 Nc3 22.Qd2 Ne4 23.Qb4 Nc6 24.Qa3 Nd4 25.Nd4 Bd4 26.Ng4?! (26.Bb2 Bc5 27.Qa6 Qg5-+) 26...Nf2 (26...f5 27.Nh6 Kg7 28.Be3 Ba1 29.Qa1 e5 30.Qa7-+) 27.Nh6 Kg7 28.Re2 Qf6 29.c3 (29.Rb1 e5 30.Be3 Qf3 31.Nf5 Qf5 (worse is 31...gf5 32.Bh6 Kh6 33.Qf3+=; 31...Bf5 32.Bh6 Kh6 33.Qf3 Rc2 34.Rb4-/+) 32.Bd4 ed4 33.Qd6 Nh3 34.Qd4 Kg8-+) 29...Bc3 (29...Qf3 30.Bg2 Qe2 31.cd4-+) 30.Be3 (30.Raa2 Bd4 31.Rf2 Bf2-+) 30...Ba1 31.Rf2 Qc3 32.Qa7 Rc7 33.Qb6 e5 34.Bg2 Be6 35.g4 (35.Ng4 Bg4 36.hg4 Rd8-+) 35...Qb3 36.Qc7 Qe3 37.Nf5 (37.Rf1 Bd4 (37...Kh6?! 38.Qd6 Rc8 39.Ra1-+; worse is 37...Qh6 38.Ra1 Qd2 39.Qc6-+) 38.Nf5 gf5 39.gf5 Bf5 40.Qd6 Bd3 41.Qf6 Kg8-+) 37...gf5 38.Rf3 Qc5 (38...Qg5 39.Qd6 fg4 40.Rg3-+) 39.Qe7 (39.Qc5 dc5 40.gf5 Bc4-+) 39...e4 (39...fg4?! 40.Qf6 Kg8 41.Qg5 Kh8 42.Qf6 Kg8 43.Qg5 Kh8 44.Qf6 Kg8=) 40.Qg5 Kh8 41.Qe7 Rg8 42.Rf1 fg4 (42...fg4 43.Qh4 Be5 44.Kh1 Qb4-+) 0–1. Schlenker,Joerg – Schuh,Hubert (2290), Baden–ch MA Lauda, 1986. (=1.e4 c5 2.Nf3 d6 3.b4 cb4 4.d4 g6 5.Nbd2 Bg7)

    3.Nf3 Nf6

    4.c3 Ne4-/+ 5.cb4 (5.Qc2 d5-/+) 5...e5 (5...Qb6 6.d4 Qb4 7.Nbd2-+) 6.d3? (better is 6.a3+=) 6...Bb4-+ 7.Bd2 (7.Nbd2 Nd2 8.Bd2 Bd2 9.Qd2 0-0-+) 7...Nd2 8.Nbd2 Nc6 9.Qe2 (9.Be2 0-0-+) 9...0-0 10.Ne5 (10.d4-+) 10...Ne5 11.Qe5 (11.Rc1 Re8 12.Kd1 d5-+) 11…Re8 (11...Re8 12.Qe8 Qe8 13.Be2 d5-+) 0–1. Winslow,J – Blount, Dayton, 1982. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6)

    4.e5 Nd5

    5.a3 d6 6.ab4 Nc6 7.ed6 Qd6 (7...Ndb4 8.c3 Nd5 9.de7 Be7 10.Bb5+=) 8.b5= Ncb4 9.Bc4 (better is 9.Na3!?=) 9...Qe6-/+ 10.Kf1 Ne3! 11.fe3 (11.de3 Qc4 Double attack (11...Qc4 Discovered attack; 11...Qe4 Decoy); 11.fe3 Qc4 Double attack (11...Qc4 Discovered attack; 11...Qe4 Decoy)) 11...Qc4 12.Qe2 (12.d3 Qb5 13.e4 Bg4-/+) 12...Qc2 13.Ba3 e6 14.Nc3 Be7 (14...Qg6 15.Bb4 Bb4 16.b6-/+) 15.Rb1 (15.Qc4 Qd3 16.Qd3 Nd3-/+) 15...Na2 16.Qc4?? (better is 16.Rb2 Qc1 17.Qd1 Ba3 18.Ra2 Qd1 19.Nd1-/+) 16...Nc3-+ (16...Ba3?! 17.Qa2 Qa2 18.Na2-+) 17.Rc1 Qa4 (better is 17...Qa2!? 18.Rc3 Qc4 19.Rc4 Ba3 20.Ke2-+) 18.Qc3 (18.Qa4 Na4 19.Be7 Ke7 20.Rc7 Ke8-+) 18…Qa3 (18...Ba3 19.Qc8 Rc8 20.Rc8 Kd7 21.Rh8 Qd1 22.Ne1 Qd2 23.Rb8-+) 0–1. Fenner,M (1995) – Naundorf,M (2130), 8th Lippe Cup, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3)

    5.Bc4 e6 6.a3 Qc7 (6...Qa5 7.0-0=+) 7.Bb3 (7.Bd5 ed5 8.0-0 Na6=) 7...Nc6 8.0-0 Nf4 (better 8...Be7!?=+) 9.d4+= Ng6 10.ab4 Bb4 11.Na3 a6 12.Bd2 (12.Nb5 Qb6 13.Nd6 Bd6 14.ed6 Na5=) 12...Be7= 13.c3 (13.Nb5 Qb8 14.Nc3 0-0=) 13...b6 14.Bg5 (14.Nb5 Qb8 15.Nd6 Bd6 16.ed6 Qd6=+) 14...Na5=+ 15.Be7 Ne7 16.c4 Bb7 17.Ba2 (17.Bc2 0-0-/+) 17...0-0-/+ 18.Qd3 Ng6 19.h4 (19.g3!?-/+) 19...Bf3 20.Qf3 Nh4 21.Qh5 Nf5 22.Rad1 Nc6 23.Bb1 g6 (23...Ncd4?! 24.Rd4 g6 25.Rg4 Qe5 26.Qg5=) 24.Qg4 d6 25.Be4 White plans d5 (25.ed6 Qd6 26.c5 bc5-+) 25...Rad8 (25...de5 26.d5 Nfd4 27.dc6-+) 26.Bf5? (26.ed6 Nd6 27.Qe2-+) 26...ef5 27.Qg3 de5 28.d5 f4 29.Qd3 Nd4 (29...Rfe8 30.Rfe1-+) 30.Nb1 (30.Nc2 Nc2 31.Qc2 Qc5-+) 30...Qc5 (30...b5 31.Rc1 Qa5 32.Nd2 bc4 33.Rc4 Rd5 34.Nf3-+) 31.Nd2 b5 0–1. Bona,Juraj (1930) – Ostrochovsky,Anton (2045), SVK, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5)

    5.Bc4 e6 6.a3 Qc7 7.Bd5 ed5 8.ab4 Bb4 9.c3 Be7 10.0-0 b6 (10...0-0 11.Na3=+) 11.Re1 0-0 12.Na3 Ba6 13.Nc2 Bc5 14.d4 Be7 15.Ne3 Bc4 (15...Qc3? 16.Ra6 Na6 17.Nd5+-) 16.Nf5 (16.Nd2 Bg5+=) 16...Nc6= 17.Re3 a5 18.h4 (18.Nd2!? g6 19.Rg3=) 18...b5=+ 19.Ng5 f6 (better 19...Bg5 20.hg5 d6=) 20.Ne7 Ne7 21.ef6 Nf5 (better 21...Rf6 22.Re7 Qd8+-) 22.fg7?? (better 22.Qh5!? Nh6 23.Ba3+-) 22...Ng7 (22...Rf6!? 23.Qc2 h6+- (23...Kg7? 24.Re5+-)) 23.Qc2+- Rf5 24.g4 Rg5 25.hg5 Qf4?? (better 25...Qc6+-) 26.Re8! (26.Re8 Re8 27.Bf4+-) 1–0. Yche,M (1920) – Kern,Nicolas (2100), 33rd Avoine Open, 2018. (=1.e4 c5 2.b4 cb4 3.Nf3 Nf6 4.e5 Nd5)

    5.a3 e6

    6.Bc4 Nf4 7.0-0 Qc7 8.d3 Ng6 9.Qe2 Nc6 10.Bb2 Na5 11.Nbd2 b6 12.ab4 Bb4 13.Ra4 Be7 14.Rfa1 Bb7-/+ 15.Ne4 Bc6 16.Nd6 Bd6 17.ed6 Qd6 18.Ba3 Qc7 19.Rb4 0-0 20.Bb2 Bf3 21.Qf3 d5 22.Ba6 Qc2 23.Rc1 Qd2 24.Rb5 Qf4 25.Qe2 Rab8 26.g3 Qd6 27.h4 Nc6 28.Re1 d4 29.Qe4 Rfe8 30.Rc1 Nge7 31.Ra1 f5 32.Qe2 Nd5 33.Ba3 Qd7 34.Rb2 Nc7 35.Bb5 Nb5 36.Rb5 a6 37.Rbb1 b5 38.Bb4 Nb4 39.Rb4 Qd6 40.Qb2 Red8 41.Rc1 Qb6 42.Rb1 Rd5 43.Qe2 a5 44.R4b2 b4 45.Rc2 a4 46.Rbc1 Rd6 47.Rc7 Re8?? 48.Qh5 (48.Qh5 Rf8 49.Qg5 Qc7 50.Rc7+-; 48.Qe5 Rd7 49.Rd7 Re7 50.Re7 Qd6 51.Qg7) 1–0. Villing,Dieter – Kiefer,Gerhard (2210), Baden–ch Eberbach, 1980.

    6.ab4 Bb4

    7.Ba3 d6 8.c4 Ba3 9.Qa4 b5 10.Qa3 bc4-/+ 11.ed6 0-0 12.Bc4 Bb7 13.0-0 Nb6 14.Be2 Nc8 15.Nc3 Qd6 16.Qb2 Qb6 17.Qc2=+ Nc6 18.Na4 Qc7 19.Rfc1 N8e7 20.Nc5 Bc8 21.Ng5 Nf5 22.Nb3 Qe5?? 23.Qc6+- Rb8 24.Bc4 Ne7 25.Qc5 Nd5 26.Nf3 (26.Nf3 Qh5 27.Ra7+-) 1–0. Gutierrez Olivares,D (2080) – Martin Jorge,Daniel, III Open Bajada de la Virgen ESP, 2005.

    7.Bb5 0-0 =+.

    7.c3 Be7 8.Ba3 0-0 9.c4 Nf4 10.g3 Ng6 11.Bg2 Qc7 (11...Nc6 12.Be7 Qe7 13.d4-/+) 12.Qe2 b6 (12...d6 13.d4-/+) 13.Nc3 Ba3 14.Ra3 Bb7 15.Nb5 Qd8 (15...Qc5 16.d4 Qb4 17.Qd2 Qc4 18.Nd6+=) 16.0-0 (16.d4 d5+=) 16...Nc6 17.Nd6 Qc7 18.d4 Rab8 (18...f6 19.Rd1=) 19.Nb7 (better is 19.Nb5!? Qd8 20.Na7+=) 19...Rb7+= 20.Rd1 Rbb8 (20...d6 21.Ng5 h6 22.Ne6 fe6 23.Qg4=) 21.Ng5= Na5 22.Qh5 h6 23.Nf7 Rf7 24.Qg6 Kf8 25.Qh7 Ke7 26.c5+/- Rbf8 27.Ra2 bc5 28.d5+- Qb6 29.de6 de6 30.Rad2 Nb3? 31.Rd7+- Ke8 32.R7d6 Qc7 33.Re6 Re7 34.Qg6 Rff7 35.Bc6 Kf8 36.Red6 Nd4 37.Qh7?? Re5-/+ 38.Qh8 Ke7 39.Rd7 Qd7 40.Bd7 Kd7 41.Qb8 Ke6 42.f4 Re2 43.Qe8?? Re7+= 44.Qg6 Kd5-/+ 45.Qf5 Kc6 46.Qc8= Kd6 47.Qa6 Kd5-/+ 48.f5 Ke5 49.Rf1 Ke4?? 50.Rf4?? Kd5+= 51.f6 gf6 52.Rf6 R2e5 53.Rd6= Ke4 54.Rh6 Ke3 55.Kg2 Kd2 56.Qa5 Kd3 57.Qa3 Kc4 58.Qa2 Kd3 59.Qb1 Kc3 60.Qa1 Kd3 61.Qd1 Ke3 62.Rh4 a6 63.Rf4 a5 64.h4 a4 65.Qa4 Kd3 66.Qd1 Kc4 67.Qc1 Kd5 68.Qa1 Kc4 69.Qa6 Kc3 70.Kh3 R7e6 71.Qa3 Kc4 72.Rf1 Ne2?? 73.Qa4 Kd5 74.Rd1 Nd4 75.Qd7 Rd6 76.Qf7 Rde6 77.h5 Kc6 78.Qh7 Re7 79.Qh8 Re8 80.Qf6 R8e6 81.Qh4 Re4 82.Qd8 Re8 83.Qa5 R8e5 84.Qa6 Kc7 85.Qa7 Kc6 86.Qf7 Re7 87.Qc4 R7e5 88.Qa6 Kc7 89.Qa7 Kc6 90.Qa8 Kd6 91.g4 Re3 92.Kh4 Re8 93.Qa6 Kc7 94.Rd4! cd4 95.Qa7 Kc6 96.Qd4 R3e4 97.Qc3 Kd5 98.h6 R8e7 99.Kh5 Re3 100.Qd2 Ke4 101.Qg2 Ke5 102.g5 Ke6 103.g6 Re5 104.Kg4 Kf6+= 105.Qc6 R7e6?? 106.h7+- Kg7 107.Qd7 Re7 108.Qd4 R7e6 109.Kf4 Kg6 110.h8Q Rf5 111.Kg4 Ref6 112.Qh5 Kg7?? 113.Qd7 Kg8 114.Qhh7 Kf8 1–0. Haines,Kean David – Adeba Rodriguez,Jesus, Pryca Gijon op–A, 1994. (=1.e4 c5 2.b4 cb4 3.Nf3)

    7.c3 Be7 8.d4 0-0 9.Bd3 Nc6 10.Qc2 h6 11.0-0 d6 12.ed6 Bd6 13.Na3 b6 14.Nc4 Be7 15.Nce5 Ne5 16.Ne5 a5 17.Bd2 Bb7 18.f4 Rc8 19.Qb3 Bd6 20.Rf2 Qc7 21.Ra4 Rfd8-/+ 22.h3 Ra8 23.Rc4 Qe7 24.Ra4 f6 25.Ng6 Qf7 26.Ra1 Re8 27.c4 Nb4 28.Ne5 Qe7 29.Bg6=+ Rf8 30.Raf1? b5 31.cb5 Bd5 32.Qg3 fe5 33.fe5 Rf2 34.Rf2 Bc7 35.Rf4 Bb6 36.Rg4 Rf8 37.Kh2 Bd8?? 38.Bh6=+ gh6 39.Bb1 Kh8 40.Qe3 Qg5 41.Rg5 Bg5 42.Qe2 Rf4 43.Qh5 ½–½. Hynes,Wayne (2420) – Verde,Pino (2190), KE64 Canadian Championship (CCCA), 2008.

    7.c4 Ne7 8.Na3 d5 9.Nc2 Ba5 10.cd5 ed5 11.Ba3 Bb6 12.d4 Ba5 13.Nd2 (13.Bb4 Bb4 14.Nb4 Qb6+=) 13...0-0 14.Bd3 Nbc6 15.0-0 f6 16.Nb3 Bb6 17.ef6 Rf6 18.Ne3 Be6 (18...Nf5 19.Ng4 Rf7 20.Ne5 Ne5 21.de5-/+) 19.Re1+= Qd7 (worse is 19...Bd4 20.Nd4 Nd4 21.Be7 Qe7 22.Nd5+-) 20.Bb5 (20.Nc5 Bc5 21.Bc5 a5=) 20...Rf7 (20...Qc7 21.Be7 Ne7 22.Ng4 Bg4 23.Qg4-/+) 21.Ra2 a6 22.Ba4 Ba7 23.Nc5 Bc5 24.Bc5 Rb8 25.Bc2 Nf5 26.Bb6 Ne3 27.Re3 Rf6 28.Qh5 h6 29.Bb3 Bf7 30.Qe2 Nb4 31.Ba7 Ra8 32.Ra4 Ra7 33.Rb4 b5 34.Bc2 Rc7 35.g3 a5 36.Rb1 b4 37.Ra1-/+ Qc8 38.Bb3 Rc1 39.Rc1 Qc1 40.Kg2 Qc6 41.Qa2-/+ Qb5 42.Re7 Kf8 43.Rc7 Qd3 44.Rc8 Ke7-/+ 45.Rc7 Kd6 46.Rc2?? Qf3-+ 47.Kg1 Bg6 48.Re2 Be4 49.Re4 Qe4 50.Qb2 Rf3 51.Ba4 Rc3 52.Qd2 Rc4 53.Bb5 Rc2 54.Qd1 Rb2 55.Bd3 Qd4 56.Qf3 Qf2! 57.Qf2 Rf2 58.Kf2 a4 59.Ke3 a3 60.Kd2 a2 61.Kc2 a1Q 62.Kb3 Qa3 63.Kc2-+ Qc3 64.Kb1 Qd3 65.Kb2 Qc3 66.Ka2 b3 67.Kb1 Qc2 68.Ka1 Qa2# (68...Qc1) 0–1. Sipila,V (2230) – Zagorskis,D (2495), 39th Olympiad Men, 2010. (=1.e4 c5 2.b4 cb4 3.Nf3)

    7.c4 Nf4 8.Ra4 Nc6 9.Ba3 a5 10.Nc3 d6 11.Bb4 (11.g3 Bc3 12.dc3 Ne5-/+) 11...Nb4 12.d4 de5 13.Ne5 0-0 14.Nb5 (better is 14.g3!? f6 15.gf4 fe5 16.fe5-/+) 14...f6-+ 15.Nf3 Bd7 16.g3 Ng6 (16...Bb5 17.cb5 Nfd5 18.Qb3-+) 17.Bg2 Bc6 (17...Bb5!? 18.cb5 Qd5-+) 18.0-0-/+ Qd7 19.Qe2 b6 20.Ra3 Rfe8 21.Re1 Rad8 (21...Rac8 22.Rb3-+) 22.Bh3 Nf8 23.Re3 Bb5 24.cb5 Kf7 25.Nh4 Nd5 26.Re4? (better is 26.Rb3-/+) 26...Nc3-+ 27.Qh5 (27.Qb2 Ne4 28.Re4 Qd6-+) 27...g6 28.Qh6 Ne4 29.Re4 Qb5 30.Nf3 0–1. Fenner,M (1980) – Schaffarczyk,A (2115), 17th Schloss Open A, 2011. (=1.e4 c5 2.b4 cb4 3.Nf3)

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