testb070.htm (1.b4 c5 2.e4 cb4)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

3.a3 Qb6

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

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

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

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

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

3.a3 g6

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

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

3.Bb2 a5

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

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

3.Bb5 Nc6

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

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

3.c3 Nc6

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

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

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

3.c3 d5

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

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

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

3.c3 e6

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

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

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

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

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

3.c4 d6

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

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

3.Bc4 Nc6

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

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

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

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

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

3.Bc4 Qc7

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

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

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

3.Bc4 Nf6

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

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

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

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

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

3.d3 Nc6

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

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

3.d3 d5

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

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

3.d3 e5

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

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

3.Qf3 Nc6

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

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

3.Nf3 e6

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

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

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

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

3.f4 d5

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

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

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

(–––)

3.a3 ba3

4.Ra3 e6 5.Rg3 Nc6 6.d4 d5 7.e5 f6 (7...Qb6 8.Be3-/+) 8.ef6 (8.Qh5!? Kd7 9.Nf3+=) 8...Nf6-/+ 9.Bd3 (9.Ne2 Ne4 10.Re3 Bd6-/+) 9...Qb6 (9...Nd4!? 10.Bb2 Nc6 11.Nf3-+) 10.c3-/+ g6 (10...e5 11.de5 Ne5 12.Qe2-/+) 11.Ne2 Bg7 12.Ba3 Bd7 (12...e5 13.de5 Nh5 14.Re3-/+) 13.0-0 0-0-0 (13...e5 14.de5 Ne5 15.Re1-/+) 14.c4 (14.Bc5 Qa5=) 14...dc4 (14...Nd4 15.Nd4 Qd4 16.Qc2-/+) 15.Bc5 (better is 15.Bc4!? e5 16.Rb3=) 15...Qc7-/+ 16.Bc4 e5 (16...Ne4 17.Re3 Nc5 18.dc5-/+) 17.d5 (better is 17.Na3!? Nd4 18.Ba7=) 17...Na5-/+ 18.Rc3?? (better is 18.Ba2 Ne4 19.Be7 Ng3 20.Ng3+=) 18...b6 (better is 18...Ne4 19.Rc2 Nc5-+ (19...Qc5 20.Ba2+/-)) 19.Be7?? (better is 19.Ba6 Kb8 20.Bb4+/-) 19...Nc4-+ 20.Bd8 Rd8 21.Qb3 b5-+ 22.Nd2 Nd5 23.Rc2 Ndb6 24.Rfc1 Be6 25.Qb5 Kb8 26.Nc4-/+ Bc4 27.Qb4? Qd6-+ 28.h3 Qb4 0–1. Bernardo,Jose – Zhu,Josh, Dos Hermanas Internet qual–B, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

4.Ra3 e5-/+

5.Ra4 -/+.

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

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

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

4.Ba3 a6

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

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

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

4.Ba3 Nc6

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

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

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

5.c3 Nf6 6.Qe2 -/+.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5.d4 d5

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

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

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

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

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

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

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

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

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

6.e5 Bf5

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

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

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

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

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

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

5.d4 d6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5.Nf3 d6

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

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

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

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

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

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

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

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

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

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

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

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

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

6.Bc4 Nf6

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

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

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

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

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

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

4.Ba3 d5

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

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

5.ed5 Qd5

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

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

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

6.Nc3 Qe5 7.Be2 Qg5 +=.

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

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

4.Ba3 d6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5.f4 e5-/+.

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

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

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

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

5.Bc4 Nf6

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

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

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

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

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

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

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

5.d4 Nf6

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

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

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

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

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

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

6.Bd3 Nc6

7.Bb2 Qb6 8.Bc3 -/+.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

7.c3 g6

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

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

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

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

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

6.Bd3 g6

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

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

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

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

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

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

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

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

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

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

5.d4 g6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

6.c3 Bg7

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

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

5.Nf3 e6

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

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

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

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

5.Nf3 Nf6

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

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

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

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

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

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

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

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

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

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

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

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

4.Ba3 e6

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

5.Bf8 Kf8

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

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

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

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

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

4.Ba3 Nf6

5.Nc3 Nc6 6.Bc4!? =.

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

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

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

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

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

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

5.e5 Ng8 6.Qe2 =. 2

4.Ba3 g6

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

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

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

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

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

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

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

5.Nf3 Bg7

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

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

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

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

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

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

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

4.Na3 Nc6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5.Bb2 d6

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

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

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

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

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

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

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

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

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

5.d4 d5

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

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

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

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

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

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

6.ed5 Qd5

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

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

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

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

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

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

6.e5 Bf5

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

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

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

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

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

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

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

5.d4 d6

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

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

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

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

6.c3 g6 7.d5 Na5 +=.

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

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

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

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

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

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

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

6.c3 Nf6

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

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

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

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

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

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

7.d5 Ne5 8.Bg5 +=.

5.d4 e6

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

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

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

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

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

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

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

6.c3 Nf6

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

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

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

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

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

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

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

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

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

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

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

5.Nf3 d6

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

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

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

6.Bc4 Nf6

7.d3 e6 8.0-0 -/+.

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

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

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

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

6.d4 Bg4

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

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

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

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

7.d5 Nb8 =.

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

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

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

5.Nf3 e5

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

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

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

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

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

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

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

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

4.Na3 d5

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

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

5.ed5 Qd5

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

4.Na3 d6

5.Bb2 Nd7 6.Nb5 a6 7.Nf3 Ngf6 8.Nc3 (8.Qe2 e6+=) 8...g6 (8...b5 9.Nb5 Ne4 10.Nc3 Nc3 11.Bc3+=) 9.d4 Bg7 10.Bd3 0-0 11.0-0 e5 12.Nb5 (12.Re1 ed4 13.Nb5 Ne5+=) 12...Qb6+= 13.Bc3 (better is 13.Qe1 Rb8 14.Nc3+=) 13...Rb8?? (better is 13...Ne4 14.Be4 Qb5+=) 14.Ba5+- Qc6 (14...Qa5 15.Ra5 ab5+-) 15.Na7 (15.Na7 Qe4 16.Be4 Ne4 17.Bc7+-) 1–0. trkn – guest80, ICC, 2004.

5.Bb2 Nd7 6.d4 Ngf6 7.Bd3 g6 8.Nf3 Bg7 9.0-0 0-0 10.Nb5 a6 11.Qd2 Nb6 12.e5 de5 13.de5 Nfd5 14.Nbd4 Bg4 15.Rae1 Bf3 16.Nf3 Rc8 17.Re4 e6 (17...Nd7 18.Rd1+=) 18.Rh4 (18.Ba3!?+=) 18...Nd7 19.c4 Ne7 20.Qe3 Qc7 21.Re1 Nc6 22.Ba3 Nde5 23.Bf8 Rf8 (23...Nd3 24.Bg7 (worse is 24.Qd3 Bf8 25.Ra1 Bg7+=) 24...Ne1 25.Bf6 Nf3 26.gf3+-) 24.Ng5? (24.Ne5 Ne5 25.Be2 Rd8+=) 24...Nd3 (better is 24...Qd8 25.Rh3 Nd3 (25...Qd3?! 26.Qd3 Nd3 27.Rd3+=) 26.Ne6 Qa5 27.Nf8 Qe1 (worse is 27...Ne1 28.Nh7 Qe5 29.Ng5-+; 27...Bf8?! 28.Rd1 Nde5 29.Rh4-/+) 28.Qe1 Ne1 29.Nh7 Ne5-+) 25.Qd3-/+ Ne5 (25...Qa5!? 26.Nf3 Ne5-/+) 26.Qh3+= h5 (26...Nc4?? 27.Rc4 Rc8 28.Rc7 Rc7 29.Qh7 Kf8 30.Qh4+-) 27.Rf4? (better is 27.Rhe4!?+=) 27...Nd3!-+ 28.Rf7 Rf7 29.Qd3 Qa5 30.Qe3 Bd4 (30...Bd4 31.Qe6 Bf2 32.Kh1 Qe1 (32...Be1?? 33.Qf7 Kh8 34.Qf8) 33.Qe1 Be1 34.Nf7 Kf7-+) 0–1. Hornstein,Norman M – Zerkowitz,G, corr, 1956. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6)

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

5.Bb2 e5 6.Nb5 =+.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5.Bb2 Nc6

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

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

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

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

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

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

5.Bb2 Nf6

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

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

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

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

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

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

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

5.Bc4 Nf6

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

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

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

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

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

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

6.Qe2 Nc6 7.Nf3 +=.

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

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

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

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

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

5.d4 e6

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

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

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

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

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

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

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

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

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

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

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

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

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

6.Nf3 Be7

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

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

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

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

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

5.d4 Nf6

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

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

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

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

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

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

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

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

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

6.Bb5 Bd7

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

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

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

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

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

6.Bd3 Nc6

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

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

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

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

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

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

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

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

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

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

7.c3 e5

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

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

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

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

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

7.c3 g6

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

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

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

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

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

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

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

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

8.f4 Bg7

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

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

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

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

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

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

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

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

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

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

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

6.Bd3 e5

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

7.c3 Be7

8.d5 h6 -/+.

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

8.Nf3 0-0 +=.

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

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

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

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

7.Nf3 Be7

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

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

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

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

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

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

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

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

6.Bd3 g6

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

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

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

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

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

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

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

7.Ne2 Bg7

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

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

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

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

8.0-0 0-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

9.c3 Nc6

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

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

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

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

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

7.Nf3 Bg7

8.0-0 0-0 9.Nb5 a6 10.Nc3 Nc6 11.h3 Bd7 12.e5 Ne8 13.Re1 de5 14.de5 Nc7 15.Bd2 Be6 16.Qe2 Nd5 17.Ne4 (17.Na4!?+=) 17...Ne5-/+ 18.Ne5 Be5 19.Ng5 (19.Rab1-/+) 19...Bg7 (better is 19...Ba1 20.Ne6 fe6 21.Qe6 Kg7 22.Ra1 Rf6-+) 20.Ne6+= fe6 21.Qe6 Kh8 22.Rad1 Rc8 (22...Bd4!? 23.Re2 Qd6 24.Qd6 ed6=) 23.Be4= Nc7 24.Qg4 Nb5 25.h4 (25.Be3 Qa5 26.Qe6 Nc3-/+) 25...Qb6 26.Be3 Qc7 27.h5 Nd6 28.hg6 Ne4 29.Qe4 Qc2 30.Bd4 (better is 30.Qb7!? Qg6 31.Qe7=) 30...Qe4-/+ (30...hg6?? 31.Qh4 Kg8 32.Bg7 Qd1 33.Rd1 Kg7 34.Rd7 (worse is 34.Qe7 Rf7 35.Qe5 Kg8+-) 34...Rc1 35.Kh2+-) 31.Bg7 Kg7 32.Re4 Rc7 33.gh7 Kh7 34.Rd5 Kg7 35.Ree5 Rc1 36.Kh2 Rf2 37.Re7 Rf7 38.Re6 Rcc7 39.Rg5 Kf8 40.Rd5 Rfe7 41.Rb6 Ke8 42.Rg6 Rh7 43.Kg1 Rhg7 44.Rdd6 Rg6 45.Rg6 Rf7 46.g4 Kd7 47.Kg2 a5 48.Rb6 Kc7 49.Rb5 b6 50.Kg3 Kc6 51.Rb1 a4 52.g5 b5 53.Rc1 Kd5 54.Rd1 Kc4 55.Rc1 Kb4 56.Rb1 Ka5 57.Kg4 b4 58.g6 Rc7 59.Kf5 b3 60.Kf6 Kb4 61.g7 Rg7!! 62.Kg7 a3 63.Kf6 a2 64.Ra1 Ka3 65.Re1 b2 66.Re3 Kb4 (66...Kb4 67.Re4 Kc3 68.Re3 Kd4-+) 0–1. Libersan,Mattieu (1935) – Groleau,Gilles (2055), Gatineau Outaouais, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

8.0-0 0-0 9.Re1 Nc6 +=.

8.0-0 0-0 9.Qe2 Nc6 10.c3 a6 11.Nc2 e5 12.Bg5 h6 13.Bh4 Re8 14.d5 Nb8 15.Rfb1 Nbd7 16.Ne3 Qc7 17.Bc2 Nc5 (worse is 17...Qc3 18.Nc4 g5 19.Ra3 Qa3 20.Na3 gh4 21.Nh4+/-) 18.Nd2 Bd7 19.Qf3 Nh7 20.h3 b5 21.c4 Reb8 22.Nb3 b4 23.Na5 Rb6 24.Nf1 (24.Nb3 Na4-/+) 24...Ng5 (24...f5 25.Nb3-+) 25.Qe3 Bf6 26.Bg3 Nh7 27.f3 (27.Qh6?? Bg5 28.Qg5 Ng5-+) 27...Nb7 28.Bf2 Bd8 29.Bb3 Na5 30.Ra5 Rbb8 31.Rba1 Qb7 32.R5a2 a5 33.h4 (33.Qh6?? Bg5 34.Qg5 Ng5-+) 33...Kg7 34.h5 Nf6 35.hg6 fg6 36.Qc1 Bb6 37.c5 Bc5 38.Bc5 Rc8 (38...dc5?! 39.Qc5 Qa7 40.Qa7 Ra7 41.Ra5 Ra5 42.Ra5+=) 39.Ra5 Rc5 (worse is 39...dc5 40.Ra8 Ra8 41.Qc5+/-) 40.Qc5 dc5 41.Ra8 c4 42.Bc4 b3 (42...b3 43.R1a6 b2+=) 0–1. Scheer,Walter (2220) – Faber,Hans_Alban (2460), RSX7D – B20 – Siz. FluegelG.–1, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6)

8.0-0 0-0 9.Be3 Nc6 10.d5 Nb4 11.Nc4 Na6 12.Qb1 +=.

8.0-0 0-0 9.Bf4 Nc6 10.c3 (10.Rb1 Bg4 11.d5 Nd4 12.Rb7 Nf3 13.gf3 Bc8+=) 10...Re8 (better is 10...d5 11.e5 Nh5-/+) 11.e5? (better is 11.d5 Na5 12.Qe2+=) 11...Nd5-+ 12.Qd2 (better is 12.Bg3 de5 13.de5 Nc3 14.Qc2-/+) 12...Nf4 13.Qf4 de5 14.Qg3 ed4 15.Nb5 (15.cd4 Nd4 (worse is 15...Bd4 16.Nd4 Nd4 17.Nb5-+) 16.Nd4 Bd4-+) 15...e5 (15...dc3 16.Be4 Bd7 17.Nc7-+) 16.Ng5 (16.cd4 a6-+) 16...a6 (16...Bh6 17.h4-+) 17.Ne4 (17.cd4 Bh6 18.Ne4 Bf5-+ (18...ab5?! 19.Ra8 Bf4 20.Rc8 Qc8 21.Nf6 Kf8 22.Qh4+=; 18...Nd4?! 19.Nd4 ed4 20.Nd6-+)) 17...Bf8 (better is 17...f5 18.Ng5 Bh6 19.Bc4 Kg7 20.Nf7-+) 18.Qf3? (18.Nc7 Qc7 19.Nf6 Kh8 20.Qh4-+) 18...Bf5 (18...ab5?! 19.Ra8 Kg7 20.Bb5+=) 19.Ng5 0–1. Sineux,Sandra – Grinenwald,Pierre, 7th St Quentin Open, 2004. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Na3 d6 5.d4 Nf6 6.Bd3 g6 7.Nf3 Bg7)

8.0-0 0-0 9.h3 Nbd7 10.Be3 e5 11.Nb5 a6 (11...d5!? 12.de5 Ne4=) 12.Nd6+= Ne8 13.Bg5 f6 14.Bc4 (14.Ne8 Re8 15.Be3 ed4 16.Bd4 Qc7+=) 14...Kh8= 15.de5? (better is 15.Ne8 Re8 16.Bd2 ed4 17.Ba5+=) 15...Nd6-+ (worse is 15...fg5 16.Nf7 Rf7 17.Bf7-/+) 16.Qd6 Ne5 (16...fg5 17.Rad1 Rf3 18.gf3 Qf8-/+) 17.Qe5+= fg5 18.Qa5 Qa5 19.Ra5 g4 20.Ng5 Bc3 21.Ra3 Bb4 22.Rb3 Be7 23.Nf7 (23.Ne6!? b5 24.Bd5 Be6 25.Be6 gh3 26.Rh3+=) 23...Kg7-/+ 24.Ne5 gh3 25.gh3 Bf6 (25...a5 26.Rd3 Rf4 27.Re1-/+) 26.f4 Re8 27.Bd5 Rb8 28.c4 Be6 (28...Be5 29.fe5 Re5 30.Rf7 Kh6 31.c5=) 29.c5 (29.Rfb1 Be5 30.fe5 Bc8+=) 29...Be5= 30.fe5 Bd5 31.ed5 Re5 32.Rd1 Rd8 33.Rb7 Kh6 34.d6 Rc5 35.d7 Rg5 36.Kh2 Re5 37.Rc7 Re7 38.Kg3 a5 39.h4 a4 40.Rd3 a3! 41.Ra3 Red7 42.Raa7 ½–½. Wempe,Juergen (2110) – Bartels,Holger (2095), Bad Zwischenahn op 1st, 2004. (=1.e4 c5 2.b4 cb4 3.d4 Nf6 4.Bd3 d6 5.a3 ba3 6.Na3 g6)

7.f4 Bg7

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

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

8.Nf3 0-0

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

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

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

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

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

5.d4 g6

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

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

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

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

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

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

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

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

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

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

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

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

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

6.Bd3 Bg7

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

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

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

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

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

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

5.Nf3 Nf6

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

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

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

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

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

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

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

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

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

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

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

6.e5 de5-/+

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

7.Bb5 Nc6 8.Ne5 -/+.

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

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

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

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

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

4.Na3 e5

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

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

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

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

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

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

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

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

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

5.Nf3 Nc6

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

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

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

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

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

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

4.Na3 e6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5.e5 Nc6 6.Nf3 Nh6 =.

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

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

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

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

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

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

5.d4 Bb4

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

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

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

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

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

5.d4 d5

6.Nb5 a5 7.ed5 ed5 +=.

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

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

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

6.e5 Nc6

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

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

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

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

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

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

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

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

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

7.c3 a6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

7.c3 Be7

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

7.c3 Nge7

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

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

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

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

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

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

8.Nf3 Ng6

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

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

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

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

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

7.c3 f6

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

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

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

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

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

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

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

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

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

5.d4 Nf6

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

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

6.Bd3 Bb4

7.Bd2 Ba3 8.Ra3 d6 +=.

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

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

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

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

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

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

4.Na3 Nf6

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

5.e5 Nd5

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

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

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

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

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

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

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

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

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

4.Na3 g6

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

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

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

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

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

4.d4 d5

5.ed5 Qd5 6.Na3 Nc6 7.Nb5 Qd8 (better is 7...Kd8!?+=) 8.d5+/- Nb4 (8...Nb8 9.Bf4 e5 10.Be5 f6 11.Nc7 Kf7+-) 9.Bf4+- (9.Ra7?! Ra7 10.Na7 Bd7=) 9...Nd5 10.Qd5! Qd5 11.Nc7 Kd8 12.Nd5 e6 (12...e5 13.Be5 Ne7 14.Nb6+-) 13.Nc7 (13.Bc7 Ke8 14.Nb6 Bb4 15.Kd1 Bc3 16.Bb5 Bd7 17.Bd7 Ke7 18.Na8 Ba1+-) 13...Rb8 (13...Bb4 14.Kd1 Rb8 15.Ne6 Be6 16.Bb8+-) 14.Ne6! Ke7 (14...Be6 15.0-0-0 Double attack (15.Bb8 Discovered attack); 14...fe6 15.Bb8 Discovered attack (15.0-0-0 Deflection)) 15.Bb8 (worse is 15.Nf8 Ra8+-) 15...Be6 16.Ba7 Nf6 17.Bc5 Kd7 18.Bb5 Kc7 19.Ra8 Bc5 20.Rh8 Ne4 21.Ne2 Bf2 22.Kd1 Be3 23.Rf1 Nf2 (23...Nd2 24.Re1 Ne4 25.c4+-) 24.Rf2! Bf2 25.Rh7 g6 (25...g5 26.Be8 Kd6 27.Bf7+-) 26.Ba4 (better is 26.Be8!? Kd8 27.Bf7 Bf5+-) 26...Kd6 27.Bb3 (27.Nf4!? b6+-) 27...Bb3 28.cb3 Ke7 29.Rh3 1–0. Kolos,Taras – Teslovich,Viacheslav, 1st Memorial Petro Zadoretsky, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.ed5 Qd5 6.Na3 Nc6 7.Nb5 Qd8 8.Bf4 e5+/- 9.de5 Be6 10.Nf3 a6 11.Qd8 (11.Nd6!? Bd6 12.ed6+/-) 11...Rd8+= 12.Nc7 Kd7 13.Ne6 Bb4 14.Ke2 Ke6 15.Ng5 (15.g3!? f5 16.Ng5 Ke7 17.Bg2 Nd4 18.Kf1+=) 15...Ke7= 16.Kf3 (better is 16.Nf3!?=) 16...h6-/+ 17.Ne4 g5 18.Bg3 (18.c3 f5 19.Ng5 Bc3 20.Rc1 Ne5 21.Be5 Be5 22.Re1 hg5 23.Re5 Kf6 24.Re3-+) 18...f5-/+ 19.ef6 Nf6 20.Nf6 Kf6 21.Bd3?? (better is 21.Bc7 Nd4 22.Kg3-/+) 21...Nd4-+ 22.Kg4 h5 23.Kh3 g4 24.Kh4 Nf5 25.Bf5 Kf5 26.Bc7 Be7 (26...Be7 27.Kg3 h4) 0–1. Janzekovic,Klemen (1860) – Nikolic,Stanko (1880), Ptuj SLO, Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.ed5 Qd5 6.Na3 Bd7 7.Nf3 e6 8.Bd3 Bb4 9.Bd2 Bd2 10.Qd2 Nf6 11.Nc4 Na6 12.Ne3 Qd6 13.Ba6 ba6 14.0-0 0-0 15.c4 Rfd8 16.Rfb1 Rab8 17.h3 (17.Rb8 Rb8 18.Qa5 Ne4=) 17...h6 (better 17...Rb1!? 18.Rb1 Bc6=+) 18.Rb8= Rb8 19.Ne5 Bc8 20.c5 Qc7 21.c6 (21.N3c4 Nd7+=) 21...Rb5= 22.Qc2 Nd5 23.Nd5 Rd5 24.Qc4 The isolani on a6 becomes a target 24...Qb6 25.Rc1 (25.Rd1!?=) 25...Rd4-/+ (worse 25...Qd4 26.Qd4 Rd4 27.c7+=) 26.Qc5? (26.Qc3 Rd5-/+) 26...Qc5 (better 26...Rd1! 27.Kh2 Rc1 28.Qc1 Qf2 29.Nd7-+) 27.Rc5-/+ Kf8 28.c7 (better 28.Rc1!?-/+) 28...Rd5 29.Rd5 ed5 30.Nc6 Ke8 31.Na7?? (better 31.Nb4-+) 31...Kd7 32.Kf1 Kc7 0-1. Hrabinska,Myroslava (2235) - Trichkov,V (2315), Euro Online U2300 Day, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

5.ed5 Qd5 6.Na3 Qd8 7.Nb5 Bd7 8.Nf3 (8.Na7? Qb6-+; 8.Ra7? Ra7 9.Na7 Qa5 10.c3 Qa7-+) 8...Nf6 9.Ne5 (9.Ra7? Ra7 10.Na7 Qa5 11.c3 Qa7-+) 9...e6 10.Qf3 (10.Ra7? Ra7 11.Na7 Qa5 12.c3 Qa7-+; worse is 10.Nd7 A) worse is 10...Nfd7 11.Bf4 (worse is 11.Na7 Bb4 12.Bd2 Bd2 13.Kd2 e5+=; 11.Ra7? Ra7 12.Na7 Qa5 13.c3 Qa7-+) 11...Na6 12.Qf3+/-; B) 10...Qd7?! 11.Bd3+=; C) 10...Nbd7 11.Qf3 Qc8+=) 10...Nc6 11.Bf4 Rc8 12.Nc4 Bb4 (12...Nb4 13.Nbd6 Bd6 14.Nd6 Ke7 15.Nc8 Bc8+/-) 13.c3+/- 0-0 14.cb4 Nb4 15.Nba3 Nc6 16.Qd1 Nb4? (16...Nd5 17.Bd6 Re8 18.Bd3+/-) 17.f3 (better is 17.Bd6!? Nbd5 18.Bf8 Qf8+-) 17...Nfd5 18.Be5 Nc3 19.Qd2 f6 (19...Nbd5 20.Nd6 Rb8 21.Rc1+-) 20.Bg3 e5? (20...Nbd5 21.Nd6 Rc7 22.Ne4+-) 21.de5 (21.Qc3 Qe7 22.Qb3 ed4 23.Kd2 Be6+-) 21...Qe7 (21...Ncd5 22.Rb1 Qe7 23.Nd6+-) 22.Bd3 (better is 22.Qc3!? b5+-) 22...b5 23.Nd6 (better is 23.Qc3 Nd3 24.Qd3 bc4 25.Nc4 Qb4 26.Nd2+-) 23...Rcd8?? (better is 23...Rc5 24.Nc2 Nd3 25.Qd3 fe5 26.Ra7 Rd5 27.Qc3 Qd6+-) 24.0-0 fe5 1–0. Grabinsky,Vladimir (2315) – Malakhatko,Vadim (2565), Calvi Balagne op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.ed5 Qd5 6.Na3 Nf6 7.Nb5 Qd8 8.Bc4 (8.Ra7? Ra7 9.Na7 Qa5 10.c3 Qa7-+; 8.Na7?! Bf5 9.Bb5 Nbd7=) 8...Bd7 9.Qf3 (9.Na7? Qb6 10.Nf3 Ra7 11.Ra7 Qa7-+) 9...Bc6 10.d5 Bb5 (worse is 10...Nd5 11.Bd5 e6 12.Bc6 Nc6 13.Bf4+/-; worse is 10...Bd5 11.Bd5 Nd5 12.Qd5 Qd5 13.Nc7 Kd7 14.Nd5+/-) 11.Bb5 Nbd7 12.Ne2 a6 13.Ba4 Qa5 14.Bd2 Qd5 15.Bd7 Kd7 16.Qh3 Qe6 17.Qd3 Ke8 18.0-0-0 Qe4 19.Ba5 Qd3 20.Rd3 e6 21.Rhd1 Be7 22.Rb3 b5 23.Rc3 Nd5 24.Rc6 Bf6 25.Ng3 Bd8 26.Be1 Kd7 27.Rc3 Ba5 28.Rf3 Be1 29.Rf7? (29.Re1 Rhf8 30.Rd1-+) 29...Ke8 30.Rg7 Bc3 31.Rb7 b4 32.Ne4 Be5 33.Nc5 Rd8 34.Re1-/+ Bc7 35.Ne6 Kd7 36.Nd8 Rd8 37.Ra7 a5 38.Re5 Kc6 39.Re6 Kb5 40.Rb7 Ka4 41.c4? Bf4-+ 42.Kc2 0–1. Meleshko,Vladimir (2110) – Zhornik,Nikolay (2250), UKR–ch U20 qual, 2005. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

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

4.d4 d6

5.Ra3 Nf6 6.Nc3 e6 7.d5 Be7 +=.

5.Ra3 Nf6 6.Bc4 e6 7.Qe2 (7.Re3 d5 8.ed5 Nd5 9.Bd5 Qd5-/+) 7...Qb6 (better is 7...d5 8.Bb5 Bd7-+) 8.Nc3+= a6 9.d5 e5 10.Nf3 Be7 11.0-0 0-0 12.Be3 Qd8 13.Rb1 Nbd7 14.h3 b6 15.Ba6 Nc5 16.Bc5 bc5 17.Rba1 Nh5 18.Bc8 Ra3 19.Ra3 Qc8 20.Kh2 f5 21.Qa6 fe4 22.Qc8 Rc8 23.Ne4 Nf6 24.Nf6 Bf6 25.Nd2 Rc7 26.Ra6 Rd7 27.Ne4 Be7 28.Kg3 Kf7 29.Kf3 g6 30.g4 Kg7 31.Ke3 Kf7 32.Kd3 Ke8 33.Kc4 Kd8 34.g5 Kc7 35.Ra7 Kc8 36.Rd7 Kd7 37.Nf6 Bf6 38.gf6 e4 39.Kb5 g5 40.f7 Ke7 41.Kc6 h5 42.f8Q Kf8 43.Kd6 g4 44.hg4 hg4 45.Kc7 g3 46.d6 (46.fg3 e3 47.d6 e2+-) 46...g2 (better is 46...gf2!? 47.d7 Kg7+=) 47.d7+/- g1Q 48.d8Q Kf7 49.Qd5 Ke8? (better is 49...Kf6+/-) 50.Qh5 (50.Qh5 Ke7 51.Qc5 Ke6 52.Qd6 Kf7 53.Qf4 Kg8 54.Qe4 Qf2 55.c4+-) 1–0. Dragojevic,Miodrag (2160) – Filipovic,Tomislav (2005), Zagreb op–B, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Ra3 Nf6 6.f3 Nc6 (6...e6 7.d5-/+) 7.Be3 (7.d5 Ne5+=) 7...Qc7 (7...d5 8.e5 Nd7 9.Ra1-/+) 8.Nc3 (8.d5 Na5=) 8...a6 (8...d5 9.ed5 e6 10.Nb5-/+) 9.Qb1 (9.d5 Ne5+=) 9...e6 10.d5 ed5 11.ed5 Qe7 12.Kd2 Ne5 13.Bb5 Bd7 14.Bd7? (14.Bd3 Nd3 15.Qb7 Qd8 16.cd3 Rb8 17.Qa6 Rb2 18.Kd1 Be7=) 14...Nfd7 (14...Qd7!? 15.Rb3 Nc4 16.Ke2 Qe7-+) 15.Ra4-/+ Rc8 (better is 15...Rb8 16.Kd1 Rc8+=) 16.Qb3? (better is 16.Qb7 Nc4 17.Rc4 Rc4 18.Qa6=) 16...b5-+ 17.Rd4 f5 (17...Nc4 18.Rc4 Rc4 19.Nge2-+) 18.Rf4 (18.Kd1-+) 18...Nc4 19.Rc4 Rc4 (19...bc4?! 20.Qb7 Qd8 21.Nge2-/+) 20.Nh3 (20.Nge2 Ne5 21.Re1 Kf7-+) 20...Ne5 (20...g6 21.Nf4 Bh6 22.Nce2-+) 21.Nb5?! (21.Re1 Qb7 22.Bf4-+) 21...ab5 22.Qb5 Qd7 23.Qb3 Rc8 24.Re1 Be7 25.Bg5 Bg5 26.Ng5 0-0 27.f4 Nc4 28.Kc1 Qa7 29.Kd1 Qd4 (29...Qd4 30.Ke2 Rfe8 31.Ne6 Qd5-+) 0–1. Greven,Ron (1790) – Wiegers,Kasper (1740), Dieren NED, Dutch Open–B, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6)

5.Na3 e6 6.Bd3 d5 7.e5 Bb4 8.Bd2 Bd2 9.Qd2 Ne7 10.Ne2 0-0 11.0-0 Nec6 12.c3 f6 13.f4 Nd7 14.Kh1 Nb6 15.Nb5 Bd7 16.Nd6 Rb8 17.Qc2 Ne7 18.Bh7 Kh8 19.Rf3 g5? 20.Rh3 Kg7 21.fg5 f5? 22.Nf4 Nbc8 23.Nc8 Rc8 24.Qf2 Rh8 25.Qh4 Kf8 26.Qh6 Kf7 27.Qf6 Ke8 1–0. Shevchenko,Kirill – Petriashvili,Nikoloz, EYCC Boys U8, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Na3 Nf6 6.Bd3 Nc6 7.c3 e5 8.Ne2 Be7 9.0-0 0-0 10.f4 Bg4 11.Nc2 Rc8 12.h3 Be2 13.Qe2 b6 (13...a6 14.Bb2-/+) 14.Bb2 Qc7 (14...a5 15.Kh1+=) 15.Ne3 Rfe8 (better is 15...ef4!? 16.Rf4 Kh8+=) 16.Bb5 (16.Nd5 Nd5 17.ed5 Na5 18.fe5 g6+/-) 16...Red8 (16...Ne4? is no good 17.Nd5 Nc3 18.Bc3+-) 17.g4 (17.Bc6!? Qc6 18.fe5 (worse is 18.de5 de5 19.fe5 Ne4 20.Ra7 Qe6+=) 18...de5 19.Ra7+=) 17...ed4 (17...Ne4? 18.Nd5 Ng3 19.Qe1+-) 18.cd4 Nb4 (18...Ne4 19.Nd5 Ng3 20.Qe1+-) 19.Qf3 (19.Rfc1 Qb7 20.d5 Rc1 (20...Ne4?? 21.Nf5 Rc1 22.Rc1+-) 21.Rc1 a5= (21...Ne4 22.Nf5 Bf6 23.Qe4 Bb2 24.Re1+-)) 19...d5+= 20.e5 (20.Rfc1!? Qb7 21.Rc8 Rc8 22.ed5+=) 20...Ne4-/+ 21.Rfc1 Qb7 22.Ba3 a5 23.Rab1?? Nd2-+ 24.Qe2 Nb1 25.Rb1 Rc3 26.Bb2 Rc7 27.Ba3 Qc8 28.Qg2 Nc2 29.Be7 Ne3 30.Qe2 Re7 31.Qe3 Rc7 32.Bd3 Rc6 33.f5 a4 34.f6 gf6?? 35.Bf5= Qc7 36.Qh6 fe5 37.Bh7 Kh8 38.Bg6 Kg8 39.Bh7 ½–½. Hrabinska,Myroslava (2115) – Ushenina,Anna (2295), UKR Summer Youth Games, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Na3 Nf6 6.Bd3 e5 7.c3 Nc6 8.Ne2 Be7 9.0-0 0-0 10.f4 Bg4 11.Nc2 ed4 12.cd4 d5 13.e5 Ne4 14.f5 Qd7 15.f6 gf6 16.Be4 de4 17.ef6 Bd6 18.Bh6 Rfe8 19.Qd2=+ e3 20.Ne3 Bb4=+ 21.Qc1 Rac8 22.Nc2 Bf5 23.Nb4+= Nb4 24.Qg5 Bg6= 25.Bf8?? Re2-+ 26.Bc5 Qd5 27.Qg4 Rce8 28.Bb4 R2e4 29.Qd1 Rd4 30.Qa4 b5 31.Qa3 Re2 32.Qg3 h5-+ 33.Rae1 Re1 34.Be1-/+ Rg4 35.Qb8 Kh7 36.Bg3 h4 37.Qc8?? Qd4 38.Bf2 Qe4 39.Bg3 hg3 40.h3 Rf4 (40...Rf4 41.Qc3 Rf1 42.Kf1 Qf4 43.Ke2 Qf2 44.Kd1 Qg2-+) 0–1. Khaetsky,Roman (2375) – Cyborowski,Lukasz (2515), Cracovia, 2009.

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

5.Na3 Nf6 6.Bd3 g6 7.f4 Bg7 8.Nf3 0-0 9.0-0 Nc6 10.c3 Bg4 11.h3 Bf3 12.Qf3= Qa5 13.Bb2 a6 14.e5 de5 15.fe5 Nd7 16.Nc4 Qd8 17.Rae1 Nb6 18.Ba3 Qc7 19.Nb6= Qb6 20.Re3 Qb3-/+ 21.Bc5 Bh6 22.Re2 Qc3 23.Qe4 Bg7 24.Rc2 Qa5 25.Kh1 Rac8-/+ 26.Rb1 b5 27.h4 Qc7 28.h5 Qd7-+ 29.Ra1 Rfd8 30.hg6 hg6-+ 31.Bb6 Nb4 32.Rd2 Rf8 33.Bc5 Nd3 34.Rd3 Qe6 35.Rda3 Ra8 36.Qb7 Rfb8 37.Qe7 Qe7 38.Be7 Rb6 39.g3 Bf8 40.Bf8 Kf8 41.Kg2 b4 42.Rb3 a5 43.Ra4 Rb5 44.Kf3 Ke7 45.Ke4 Ke6 46.g4 Ra7 47.g5-/+ Ra8 48.Ra1 a4 49.Rf3-/+ b3 50.Raf1 Rf8 51.Rf6= Ke7 52.Ra6 b2 53.Ra7 ½–½. Grabinsky,V (2260) – Kovalenko,O, ch–UKR, Alushta UKR, 2002.

5.c3 e6 6.Bd3 Nc6 7.Nf3 Nf6 8.Na3 Be7 9.0-0 0-0 10.Qc2 h6 11.Re1 (11.Bf4 a5=) 11...a6 12.Bb2 Bd7 13.Nc4 Rc8 (13...b5 14.Ne3=) 14.Qd2 d5 15.ed5 ed5 16.Nce5 Ne5 17.Ne5 Bd6 18.Ba3 (18.h3 Ne4 19.Be4 de4 20.Re4 Bf5=) 18...Ba3 19.Ra3 Ng4 20.Nd7 (20.Qf4!? Ne5 21.de5=+ (21.Qe5?? Re8-+)) 20...Qd7-/+ 21.Qf4 Nf6 (21...Rfe8 22.Raa1 Nf6 23.Bf5-/+) 22.Bf5 Qc7 23.Qf3 (23.Re5 Nd7 24.Bd7 Qd7-/+) 23...Rfe8 24.Re8 Re8 25.g3 Qb6 26.Ra2 Qb3 27.Rd2 (27.Ra1 Ne4 28.Be4 de4-/+) 27...Qa3 (27...a5 28.Bc2 Qa3 29.Kg2-+) 28.Rd1 b5 29.Qd3 (29.Kg2 Qd6-/+) 29...Qa2 (29...Re7 30.Qd2-/+) 30.Kf1 Qa4 (30...Ne4 31.Be4 de4 32.Qe3-/+) 31.Rb1 (31.Kg2 h5-/+) 31...Qc4 (31...Kf8 32.Qc2 Qc2 33.Bc2-/+) 32.Ra1 (32.Qc4 dc4 33.Ra1 Nd5-/+) 32...Ra8 (32...Qc6 33.Qd2-/+) 33.Ke2 (33.Qc4 dc4 34.Bh3 a5-/+) 33...g6 (33...Qc6 34.Qd2-+) 34.Qc4-/+ dc4 35.Bh3 (35.Bc2 a5-/+) 35...Re8 36.Kf3 (36.Kf1 Ne4 37.Rc1 Nd2 38.Kg1 Kg7-+) 36...Nd5 37.Ra3 f5 38.Ra6 Kf7 39.Ra3 Re1 40.Ra7 (40.Bg2 g5 41.h3 Rg1 42.Ra7 Ke8-+) 40...Kf6 41.Ra6 Kg5 42.Ra3?? (42.Kg2 Nc3 43.f4 Kh5-+) 42...Rc1 (better 42...b4 43.Ra5 bc3-+) 43.Ke2 (43.Bg2 Rc2-+ (43...Nc3?! 44.h4 Kf6 45.Ra6 Kf7 46.Ra7 Kf8 47.Ra8 Ke7 48.Ra7 Ke6 49.Ra6 Kd5 50.Rg6-/+)) 43...Rc3 44.Rc3 (better 44.Ra6 Rc2 45.Kf1-+) 44...Nc3 45.Ke3 Nd5 46.Kd2 Kf6 47.Bf1 (47.Bg2 Ke6-+) 47...Ke6 48.h3?! (48.Be2 Nf6 49.f3 Nd5-+) 48...g5 (48...Nf6 49.f3-+) 49.Be2 (49.Kc2 Nf6 50.Bg2 b4-+) 49...f4 (49...Nf6 50.f3-+) 50.g4? (better 50.Kc2-+) 50...Kd6 51.Bf1 (51.Kc2-+) 51...f3 52.Kc2 (52.h4 gh4 53.Bh3 Nf4-+) 52...Nf4 53.Kd2 Kd5 54.Ke3 b4 55.Kd2 (55.Bc4 Kc4 56.d5 Nd5 57.Kf3 b3 58.Kg2 Nf4 59.Kf3 b2 60.Ke3 b1Q 61.Kd2 Qd3 62.Kc1 Kc3 63.h4 Qc2) 55...Kd4 56.Kc2 (56.Kc1 Nd3 57.Kb1 b3 58.h4 gh4 59.g5 hg5 60.Bd3 Kd3 61.Kb2 h3 62.Ka3 h2 63.Kb2 c3 64.Kb3 c2 65.Ka3 c1Q 66.Kb4 h1Q 67.Kb5 Qc4 68.Kb6 Qh7 69.Ka5 Qhc7) 56...b3 57.Kb2 Nd3 58.Bd3 Kd3 59.Kc1 (59.h4 gh4 60.g5 hg5 61.Ka3 h3 62.Kb4 b2 63.Kc5 b1Q 64.Kc6 h2 65.Kd7 Qb6 66.Ke7 h1Q 67.Kd7 Qe1 68.Kc8 Qee6) 59...c3 60.h4 (60.Kb1 Kd2 61.h4 gh4 62.Ka1 h3 63.Kb1 h2 64.g5 h1Q) 60...gh4 61.g5 (61.Kb1 h3 62.Kc1 h2 63.g5 h1Q) 61...hg5 (61...h3 62.g6 h2 63.g7 h1Q) 62.Kb1 c2 (62...h3 63.Ka1 h2 64.Kb1 h1Q) 63.Kb2 (63.Kc1 b2! 64.Kb2 h3 65.Kc1 h2 66.Kb2 h1Q 67.Kb3 Qb1 68.Ka4 c1Q 69.Ka5 Qa3) 63...Kd2 (63...h3 64.Kb3 c1Q 65.Kb4 Qc4 66.Ka5 h2 67.Kb6 h1Q 68.Kb7 Qb1 69.Ka7 Qca2) 64.Kb3 c1Q 65.Ka2 (65.Kb4 Qc3 66.Kb5 h3 67.Ka6 h2 68.Kb7 h1R 69.Ka6 Rb1 70.Ka7 Qa5) 65...Qc5 66.Kb3 (66.Kb2 Qb6 67.Ka3 Kc3 68.Ka4 Qb4) 66...Qb5 67.Ka3 (67.Ka2 Kc3 68.Ka3 Qb3) 67...Kc3 68.Ka2 Qb2 0–1. Fizerova,Lucie – Wagner,Margarethe (1635), Bad Blankenburg GER, EUR Team Championship, 2018. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.c3 Nf6 6.Bd3 Nc6 7.Ne2 e5 (7...e6 8.0-0+=) 8.0-0 (8.d5 Ne7=) 8...Be7 (8...d5 9.ed5 Qd5 10.Na3+=) 9.Na3 (9.d5 Nb8+=) 9...0-0 10.f4 (10.d5 Na5+=) 10...Bg4 (10...ed4 11.Nd4 d5 12.e5-/+) 11.Be3 (11.d5 Qb6 12.Kh1 Na5+=) 11...Nh5 (better is 11...ed4!? 12.Bd4 d5-/+) 12.Qb3= Na5 13.Qa2 b6 14.Nc4 ef4 15.Nf4 Nf4 16.Bf4 Rc8 (16...Qc8!?+=) 17.Na5+= ba5 18.Qd2 Be6 19.Rfb1 Bc4 (19...f5 20.Ba6 Rc6 21.Bb7=) 20.e5 (20.Bc4!? Rc4 21.Rb7+=) 20...de5= 21.Be5 Bg5 22.Qc2 Bd3 23.Qd3 Re8 24.Qf5 (24.Re1 Rc6=) 24...g6 (24...f6!? 25.Rb7 Bh6+=) 25.Qh3= Qe7 (25...Qd5 26.Rf1=) 26.Qf3 f6 27.Ra5 fe5 28.Re5 Qf7 29.Qf7 Kf7 30.Rg5 Rc3 31.Ra5 Rc7 32.d5 Rd8 33.Rf1 Kg7 34.Rfa1 a6 35.h3 Rd6 36.Kf2 Rcd7 37.Rd1 Kf6 38.Kf3 Ke5 39.Re1 Kf6 40.Rf1 Rd5 41.Ke4 ½–½. Bortnyk,Olexandr (2470) – Ma,Zhonghan (2410), Al–Ain UAE, World Ch Boys U18, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6)

5.c3 Nf6 6.Bd3 e5 7.Na3 Be7 8.f4 (8.Nf3 0-0=) 8...d5-/+ 9.fe5 Ne4 10.Ne2 Bh4 11.g3 Bg5 (better 11...Be7!?=+) 12.Be4+= de4 (12...Bc1 13.Nb5 Bb2 14.Nd6 Ke7 15.0-0+=) 13.Bg5 Qg5 14.Nb5 Qe7 15.Nd6 (15.Na7?! Bg4=) 15...Kd8 16.0-0 Rf8 17.Nf4 Nc6? (better 17...Na6+-) 18.Nd5+- (18.Ne4?! Rb8+-) 18...Qe6 19.Nb6!! White prepares d5 19...Rb8 (19...ab6 20.Qb1 Double attack (20.Ra8 Pinning; 20.Ra8 Deflection; 20.Qb1 Decoy)) 20.d5 (20.Nbc8 Rc8 21.d5 Qe5 22.dc6 Qc5 23.Kg2 Qc6 24.Ra7 e3 25.Kg1 Kc7 26.Rb7 Qb7 27.Nb7 Rcd8 28.Nd8 f5 29.Rf4 Rf7 30.Rc4 Kb8 31.Qb3 Ka8 32.Ra4 Ra7 33.Qb7) 20...Qg4 21.dc6 (21.Ndc8?! Qd1 22.Rad1 ab6 23.dc6 Kc8+=) 21...Qd1 22.Rfd1 (22.Rad1?! ab6 23.cb7 Be6 24.Nf7 Ke7+-) 22...ab6 23.Nb5 (23.Nb5 Ke7 24.c7+-; 23.Ne4?! Kc7 24.cb7 Bb7+=; 23.cb7?! Bd7+-) 1–0. Bortnik,Alexandr (2315) – Tari,Aryan (2060), ARCTIC Chess CHALLENGE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.c3 Nf6 6.Bd3 e5 7.Ne2 Be7 8.0-0 0-0 9.Na3 Nc6 10.f4 Bg4 11.Nc2 Qc7 12.h3=+ Be2 13.Qe2 Rfe8 14.Bd2 Bd8 15.Rae1 Rc8 16.g4 Qe7 17.g5=+ Nd7 18.fe5 de5 19.Bc4 Rf8 20.Rf7 Rf7-/+ 21.Rf1 Nd4 22.cd4 Rc4 23.Qc4 ed4 24.Nd4 Bb6 25.Be3 Bd4 26.Bd4 Qg5-/+ 27.Kh2 Qe7 28.Ba7 Nf8 29.Bb8 Qe6-/+ 30.Qe6 Ne6 31.Rb1 Kf8 32.Rb6 Nd8 33.e5 Ke8 34.Kg3 Re7 35.h4 Re6 36.Bd6 Kd7 37.h5 Kc8 38.Kg4 g6 39.hg6 hg6 40.Rb5 Nf7 41.Rc5 Kd8 42.Rc7 Nd6 43.ed6 b6 44.Rc6 Re4 45.Kg5 Rb4 46.Rc7 Rb5 47.Kf6 Rb1 48.Ke6 Re1 49.Kd5 b5 50.Rb7 Rd1 51.Ke6 Re1 52.Kd5 Rd1 53.Ke6 Re1 ½–½. Zherebukh,Y (2180) – Plischki,S (2365), Open Olomouc CZE (6), 2005.

5.c3 Nf6 6.Bd3 e5 7.Ne2 Be7 8.0-0 Nc6 9.Na3 0-0 10.f4 Bg4 11.Nc2 ed4 12.cd4 d5 13.e5 Ne4 14.Qe1 Qb6 15.Be3 Nb4 16.Nb4 Bb4 17.Qh4 Be2 18.Be2 Bd2 19.Qh3 Rac8 (better is 19...Qb3!? 20.Rf3 Qc2-/+) 20.Rfb1+= Be3 21.Qe3 Rc3 22.Bd3 Rb3 23.Rb3 Qb3 24.Rb1 Qc3 25.Rb7 a5 26.Rb1 Rc8 27.Re1 f5 28.ef6 Nf6 29.g4 a4 (29...Ng4 30.Qe6 Kf8 31.Bh7 Qd4 32.Kh1 Nf2 33.Kg2+-) 30.Qe6 Kh8 31.Re2? (better is 31.g5!? Ne4 32.Re2 Qd4 33.Kg2+=) 31...Qd4 32.Kg2 Rf8 33.g5?? (33.Qd6 Ra8 34.Bf5-+) 33...Qd3 (better is 33...Nh5 34.Rf2 Nf4 35.Rf4 Qf4-+) 34.gf6 Qg6 35.Kf3 Qf6 36.Qf6 gf6 37.Rd2 a3 38.Rd5 Ra8 39.Rd1 a2 40.Ra1 Kg7 41.Ke4 Kg6 42.Rg1 Kh5 43.Ra1 Kg4 44.h3 Kh3 45.Kf5 Ra6 0–1. Chulivska,Vita (2175) – Ajrapetjan,Yuriy (2405), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.c3 Nf6 6.Bd3 e6 7.Ne2 Be7 8.0-0 0-0 9.Na3 e5 10.d5 Nbd7 11.f3 Nc5 12.Bc2 b5 13.Be3 Rb8 14.Qd2 Qc7 15.Kh1 Ne8 16.Rfb1 a6 17.c4 Bd7 18.Rb2 bc4 19.Rb8 Qb8 20.Bc5 dc5 21.Rb1 Qc7 22.Nc4 Bb5 23.Ne3 Nd6 24.Nf5 Nf5 25.ef5 Rd8 26.Be4 Bc4 27.Nc3 Rb8 28.Qc2 Bg5 (28...Rb1 29.Qb1 Qa5 30.f6 gf6 31.Qe1-+) 29.g3? (29.Qa4 Bb5 30.Nb5 ab5 31.Rb5 Be7=) 29...Be3 (29...Rb1 30.Nb1 Bf1 31.Na3-/+) 30.Nd1? (better is 30.Qa4 Bb5 31.Nb5 ab5 32.Rb5=) 30...Rb1-+ 31.Qb1 Bd4 32.Nb2 Bb5 33.g4 c4 34.Qc2 Qa5 35.Qc1?! Qb4 36.f6 Qb2 37.Qg5 Qa1 38.Kg2 Qg1 39.Kh3 Qf1 40.Kh4 Bf2 (40...Bf2 41.Kh5 Qh3 42.Qh4 Qh4) 0–1. Vetoshko,Volodymyr – Chernobaev,Leonid (2020), Rodatychi op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.c3 Nf6 6.Bd3 g6 7.Ne2 Bg7 8.0-0 0-0 9.Na3 Nc6 10.h3 e5 (10...Bd7 11.Bd2=+) 11.f4 (11.d5 Na5=+) 11...ed4 12.cd4 Re8 (12...Nb4!? 13.e5 Nfd5=+) 13.e5= Nd5 14.Kh1 (14.Nb5!? de5 15.fe5=) 14...de5-/+ 15.fe5 Qh4 (15...f6 16.ef6 Bf6 17.Nc4-/+) 16.Nf4 (16.Nb5 Bh3 17.Qe1 Qe1 18.Re1 Bg4-/+) 16...Be6 (16...Rd8 17.Bc4 Be6 18.Ne6 fe6 19.Nb5=+) 17.Ne6 (17.Nb5!?=) 17...fe6-/+ (17...Re6?! 18.Nb5 Rd8 19.Qf3=) 18.Nb5 (better 18.Bb2-/+) 18...Nd4?? (better 18...Ne5 19.Be4 Nc6 20.Bd5 ed5-/+) 19.Ra4= Be5 20.Nd4 Qg3 (20...Nc3 21.Qc2 Rac8 22.Rc4 Bd4 23.Qc3 Qh3 24.gh3 Bc3 25.Re4+=) 21.Nf3+= Nc3 22.Qb3 Na4 23.Qa4 Rf8 24.Ne5 (better 24.Kg1+=) 24...Rf1-/+ (24...Qe5?! 25.Bf4 Qg7 26.Qe4+=) 25.Bf1 Qe5 26.Bf4? (26.Bh6 g5 27.Qb5 Qb5 28.Bb5-+) 26...Qf5?? (better 26...Qe1 27.Kg1 Rf8-+) 27.Bc4= Rd8 28.Bg3 (28.Bc7 Rd2=) 28...Kf7 (28...Qe4 29.Qa2 Re8 30.Kh2=) 29.Qa7 Qe4 30.Qc5 (30.Qf2 Kg8 31.Ba2 Rd3=) 30...Rd7 (30...Rd1 31.Kh2 Qd4 32.Qc7 Kf6=) 31.Bb5 (31.Qf2 Kg8 32.Qa2 Rd1 33.Kh2 Qd4=) 31...Qd4 (31...Rd1!? 32.Kh2 Qd4 33.Qc7 Kf6=) 32.Qc8+= Re7 33.Kh2 (33.Qb8 e5+=) 33...Kg7 34.Qb8 e5 35.Qc8 e4 36.Bc4 (36.Qb8 Qf6+=) 36...Qf6 37.Qf8?? (better 37.Qg8 Kh6 38.Qd8+=) 37…Qf8 0–1. Oberholzer,Francois (2030) – Van Rensburg,Ryan Pierre (2235), PSS Prestige Rapid, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Nd2 g6 6.Ngf3 Bg7 7.h3 Nc6 8.c3 Nf6 9.d5 Nb8 10.Ra3 0-0 11.c4 Nbd7 12.Bb2 Nc5 13.e5 Nfd7 14.Qa1 Ne5 15.Ne5 Be5 16.Be5 de5 17.Qe5 Qd6 18.Qd6 ed6 19.f3 Bd7 20.Kf2 a6 21.Be2=+ b5 22.Rb1 Rab8 23.Ra5 b4 24.Ne4? Bf5-+ 25.Ke3 Rfe8 26.Bd3 Be4 27.fe4 f5 28.Rb2 fe4 29.Be2 b3 30.Kd4 e3 31.Rb1 Re4 32.Kc3 Rf4 33.Bf3 b2! 34.Ra3 Kg7 0–1. Shirazi,K (2420) – Oleksienko,M (2540), 23rd Open, Cappelle la Grande FRA, 2007.

5.Bd3 Nc6 6.Ne2 Nf6 7.c3 e5 8.0-0 Be7 9.Na3 0-0 10.f4 Bg4 11.Nc2 d5 12.fe5 Ne4 13.Qe1 Be2 14.Be2 f5 15.Rb1 Qd7 16.c4 Kh8 17.Bb2 Bg5 18.Rd1 Ne7 19.cd5 Nd5 20.Bd3 Rac8 21.Be4= fe4 22.Qe4 Qe6 23.Ba3 Rfd8 24.Bb2 Qg6 25.Qg6 hg6 26.Bc1 Bc1 27.Rc1 b5 28.Na3 a6 29.Kf2 Kg8 30.Ke2+= Ne7 31.Rc8+/- Nc8 32.Kd3 Ne7 33.Ke4 Nd5 34.Rc1 b4 35.Nb1 Kf7 36.Rc5 Ne7+/- 37.d5 Rc8 38.Rc8+- Nc8 39.Kd4 b3+/- 40.Kc5 Ke8 41.Nc3 b2 42.Nb1 Kd7 43.d6 g5+= 44.h3 Ke6= 45.Kc6 Na7 46.Kb6 Nb5 47.Ka6 Nd4 48.Kb6 Ke5 49.Kc5 Ne6= 50.Kc6 Nd8 51.Kc7 Nf7 52.d7 Kf4 53.Kc6?? Kf5?? 54.Kc7 Kf4 55.Kc6 g4?? 56.hg4? Kg4 57.Kd5= Kf5 58.Kd4 Kg4 59.Kd5 Nd8 60.Ke5 g5 61.Kf6 Nc6 62.g3 ½–½. Grekh,A (2290) – Shalimov,V UKR (2455), TCh–UKR Alushta UKR (5), 2005.

5.Bd3 e5 6.c3 Nc6 7.Ne2 Nf6 8.0-0 Be7 9.f4 0-0 10.Na3 Bg4 11.Nc2 d5 12.fe5 Ne4 13.Qe1 Be2 14.Be2 Bh4 15.g3=+ Bg5 16.Bd3 Bc1 17.Rc1 f5 (17...Ng5 18.Qe3=+) 18.Ne3 (18.c4 a5=) 18...g6 (18...Qd7 19.c4 dc4 20.Bc4 Kh8 21.Rd1=) 19.Rb1 Qd7 20.Rb5 Attacks the isolani on d5 20...Ne7 21.Qb1 (21.c4 a6 22.Rb6 dc4 23.Bc4 Kh8=+) 21...b6 (21...Nd2 22.Rb7 Qe6 23.Qb4=) 22.Be4 (22.Qb2!?=) 22...fe4=+ 23.Rf6 Kg7 (23...Rac8 24.Rd6 Qh3 25.Rf6=+) 24.Rd6=+ Now all is on d5 24...Qh3 (24...Qc8 25.Qe1=+) 25.Nd5= Nd5 26.Rbd5 (26.Rdd5?? e3 27.Rb2 Rf2 28.Rd7 Qd7 29.Rf2 ef2 30.Kf2 Rf8 31.Kg1 Rf3-+) 26...Rf3 27.Rf6 (27.Rd7 Kh6 28.Rd8 Rd8 29.Rd8 Rc3=+) 27...Rf8 (27...Rc3!? 28.Qf1 Qf1 29.Kf1 Rc2=) 28.Rdd6 e3 29.Rf8 Rf8 30.Qb5?? (30.Rf6 Rf6 31.ef6 Kf6 32.Qb4-/+) 30...Qh5 (better 30...a6 31.Qe2 Rf2 32.Qf2 ef2 33.Kf2 Qh2 34.Kf3 Qh1 35.Kf4 Qc1 36.Ke4 Qc3 37.Rb6 Qg3-+) 31.Rf6 Rf6?? (31...Qd1 32.Kg2 Rd8 33.Qc6=) 32.ef6-/+ Kf6 33.Qc6 Kg5 34.h4 (34.Qb5 Kh6 35.Qh5 Kh5-+) 34...Kg4 (34...Kh6 35.Qf6 Qg4 36.Kg2-/+) 35.Qe4-/+ Kg3 36.Qe3 Kh4 (36...Kh4 37.Qe1 Kg5 38.Qe7 Kf4 39.Qa7 Qg4 40.Kf2 Qf3 41.Kg1 Qc3 42.Qb6 Qg3 43.Kh1 Qh3 44.Kg1 Ke4-+) 0–1. Gurkin,Anton (2155) – Jumabayev,Rinat (2440), CH of Kazakhstan, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Bd3 e5 6.c3 Nf6 7.f4 Nc6 (7...ed4!? 8.Ba3 dc3 9.Nc3 Be7-/+) 8.d5=+ Nb8 9.Nf3 Bg4 (9...Nbd7 10.Na3 Nc5 11.0-0=+) 10.fe5 (10.0-0 Nbd7=) 10...Bf3 11.Qf3 de5 12.Na3 Nbd7 13.0-0 Bc5 14.Kh1 0-0 15.Nc4 Rc8 (15...Qc7 16.Bg5=+) 16.Qg3 Qc7 17.Bh6 Ne8 18.Rad1 Kh8 19.Bc1 a6 20.Be2 b5 21.Nd2 Nd6 22.Bg4 Rce8 23.Rde1 Bb6 24.Bd7 Qd7 25.Ba3 f6 26.Nf3 Rc8 27.Nh4 (27.Bd6 Qd6 28.Ra1 a5-/+) 27...Bc5 28.Bc1 a5 29.Nf5 Nf5 30.Rf5 Bd6 31.Ref1 Rc4 32.Rh5 Qf7 (32...Kg8 33.Rh4-+) 33.Rh4-/+ Rc7 34.Qh3 g6 35.Bh6 Rd8 36.g4 (better 36.Qd3 Rc4 37.Qb1-/+) 36...g5?? (better 36...a4-/+) 37.Bg5+= fg5 (37...Be7!? 38.Bf6 Bf6+-) 38.Rf7+- Rf7 39.Rh6 Bc5 40.Rc6 Ba7 41.Qg3?? (41.Qd3 Rdf8 42.Kg2+=) 41...Rf1-+ 42.Kg2 Rg1 43.Kf3 (43.Kh3 Rg3 44.Kg3 a4-+) 43...Rg3 (43...Rf8 44.Ke2 Rg3 45.hg3-+) 44.hg3 b4 45.cb4 ab4 46.Rc7 Bb8 47.Rb7 Bd6 48.Ke2 Rb8 49.Rf7 (49.Rb8 Bb8 50.Kd3-+) 49...b3 50.Rf1 b2 51.Rb1 Bc5 (51...Ba3!? 52.Kd3-+) 52.Kd3 Kg7 (52...Ba3 53.Kc3-+) 53.Kc4 (53.Kc2 Bd4-+) 53...Bd4 54.d6 Kf7 55.Kd5 Rb5 56.Kc4 Rc5 (56...Rc5 57.Kb3 Ke6-+) 0–1. Bortnik,Alexandr (2315) – Shvayger,Yuliya (2190), Kiev Cup–Independence Cup, 2010. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Bd3 Nf6 6.c3 Nc6 7.Ne2 g6 8.0-0 Bg7 9.Na3 0-0 10.Ng3 e5 11.d5 Ne7 12.c4 Ne8 13.Nb5 a6 14.Nc3 f5 15.Ba3 f4 16.Nge2 f3 17.Nc1 fg2 18.Re1 b6 19.Rb1 g5 20.Qb3 Ng6 21.Be2 Nf4 22.Nd1 g4 23.Qb6 Qh4 (23...Ne2?! 24.Ne2 Qd7 25.Kg2+=) 24.Qe3 Rf6 25.Qg3 Qg5 26.Nd3? (better is 26.Na2-+) 26...Ne2 27.Re2 Rf3 28.Qg2 Rd3 29.Re3 Re3 30.Ne3 h5 31.c5 dc5 32.Bc5 Bd7 33.Rb7 Rc8 34.Ba3 Nf6 35.Qf1 Bb5 36.Qb1 Rc3 37.Bb4 Re3 38.fe3 Qe3 39.Kh1 Bd3 (39...Bd3 40.Qd3 Qd3-+) 0–1. Vetoshko,Volodymyr (1840) – Yuffa,Daniil (2035), EU–ch U10, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Bd3 Nf6 6.c3 e5 7.Ne2 Be7 8.0-0 Nc6 9.f4 0-0 10.Na3 Bg4 11.fe5 de5 12.d5 Nb8 (12...Na5 13.Be3-/+) 13.Nc4 (13.h3 Bh5=) 13...Bc5 (13...Nbd7 14.h3 Bh5 15.Qc2=) 14.Kh1= Nbd7 15.Bg5 (15.Ne3 Bh5=) 15...h6=+ 16.Bf6 (16.Bh4 b5 17.Na5 Qb6=+) 16...Nf6 (worse 16...gf6 17.h3 f5 18.ef5+=) 17.Qe1 (17.Ne5 Qc7 18.Nf3 Bd7=+) 17...Be2 (17...Re8 18.Ng3-/+) 18.Qe2= (worse 18.Be2 Ne4 19.Bf3 Ng5 20.Qe5 b5-/+) 18...Qe7 19.Rf5 (19.Qe1 Ne8=) 19...Nd7 (19...g6 20.Rf3=+) 20.Bc2 (20.Qg4 g6=) 20...Bd6 (20...a6 21.Na5 b5 22.Nc6=) 21.Ne3 a5 (21...Bc5 22.Nc4=) 22.Rf3 (22.Rff1 Rfd8+=) 22...g6= 23.Rh3 Kg7 24.Qg4 (24.Qd2 Rh8=) 24...Kh7 25.Nf5 (25.Rf1 Nf6 26.Qf3 Ng8=) 25...gf5 26.Qf5 Kg7 27.Qg4 Qg5?? (better 27...Kh7 28.Qf5 Kg7 29.Qg4 Kh7 30.Qf5=) 28.Qd7+- Rfd8 (28...Qe7 29.Rg3 Kh8+-) 29.Qb7 Rab8 (29...Qe7 30.Qb6+-) 30.Qa7 Qd2 (30...Kh8 31.Rg3 (31.Qa5?! Rg8 32.Rg1 Rb2+-) 31...Qf6 32.Rf3+- (32.Qa5?! Qf2 33.Bd3 Rg8+-; 32.Ra5? Ra8 33.Qg1 Ra5-+)) 31.Rf1 (31.Rg3 Kh8 32.Qf7 Rg8 33.Qf6 Kh7 34.Qd6 Qc2 35.Qe7 Kh8 36.Qe5 Kh7+-) 31...Rf8? (31...Kh8 32.Rg3 Rg8+- (32...Qc2?? 33.Qf7 Rg8 34.Qf6 Kh7 35.Qd6+-)) 32.Qd7 Rbd8 (32...Ba3+-) 33.Qf5 f6 (33...Qc2?? 34.Rg3 Kh8 35.Qf6 Kh7 36.Qg7) 34.Rg3 Kh8 35.Qg6 Rd7 36.Ba4 (better 36.h3 Qc2 37.Kh2+-) 36...Rh7 37.h3 (37.Bb3!? Qe2 38.Qf5 Qa6+-) 37...Bc5 38.d6 (better 38.Rd1 Qa2 39.Bb5+-) 38...Qe2?? (better 38...Qd6 39.Bb3 Qb8+-) 39.Rd1 (better 39.Rb1 Qf2 40.d7+-) 39...Qc4 (39...Be3+-) 40.d7 Rd7 41.Qh6 (better 41.Bd7 Qf7 42.Qf5+-) 41...Rh7-+ 42.Qg6 (42.Qd2 Qa4 43.Qd5 Rg7-+) 42...Qa4 43.Rf1 (43.Rgd3 Be7-+) 43...Qb5 44.Rgf3 (44.Qf5 a4 45.Ra1 a3-+) 44...Be7 (44...Qe2 45.Qg3 Qe4 46.Kh2-+) 45.R1f2 (45.Qf5 a4-+) 45...a4 46.Rg3 (46.Kh2-+) 46...Bc5 47.Rd2 (47.Rgf3 Bf2 48.Rf2-+) 47…Qf1 (47...Qf1 48.Kh2 Qg1) 0–1. Oberholzer,Francois (2030) – Shaposhnikov,Evgeny (2555), PRO League Eastern, 2017. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.Bd3 Nf6 6.Ne2 Nc6 7.c3 e5 8.Na3 Be7 9.0-0 0-0 10.Nc2 d5 11.f3 Be6 12.Kh1 a6 13.Ng3 b5 14.Bb2 Qb6 15.Qe2 ed4 16.cd4=+ Na5 17.e5= Nd7 18.Nf5 Bf5 19.Bf5 Nb8 20.Ne3+/- Rd8 21.Nd5! Qb7?? 22.Ne7+- Qe7 23.Ra5 Nc6 24.Raa1 Nd4 25.Bd4 Rd4 26.e6 Qg5 27.ef7 Kf7 28.Qe6 Kf8 29.Bh7 Rd2 30.Rg1 (30.Rg1 Qd5 31.Qd5 Rd5 32.Be4+-) 1–0. Hrabinska,M (2285) – Kalinina,Marianna, 3rd UKR Games Women, Evpatoria UKR, 2007.

5.Bd3 Nf6 6.Ne2 Nbd7 7.0-0= e5 8.c3 Be7 9.Na3 0-0 10.f4 a6 11.Kh1 Qc7 12.Nc2 Re8 13.Ne3 Bf8 14.fe5 de5 15.Qb3 b5 16.Ng3 Bb7 17.d5 Rac8 18.Bd2 g6 19.Qd1=+ Bh6 20.Qf3 Bf4 21.Ne2 Nc5 22.Bc2 Nh5 23.g4 Nf6=+ 24.Be1 Red8 25.Bh4=+ Rd6 26.Rad1?? a5?? 27.g5?? Nh5 28.Ng4 b4 29.cb4 ab4 30.Ng3 1–0. Gurkin,A (2155) – Piskun,A (2020), 19th Czech Infinity Open, 2008.

5.Bd3 Nf6 6.f4 e5! 7.fe5 (7.de5 Qa5 Double attack (7...Qa5 Decoy); 7.fe5 Qa5 Double attack (7...Qa5 Decoy)) 7...de5-+ 8.c3 (8.de5 Ne4! 9.Nf3 Bb4 10.Ke2 f5-+) 8...ed4 9.cd4 Bb4 10.Bd2? (better 10.Kf1-+) 10...Qd4 11.Bb4 Qa1 (11...Qb4?! 12.Qd2 Nc6 13.Ra3-+) 12.Ba3 Qe5 13.Qa4 Bd7 14.Qb3 Ne4 15.Ne2 (15.Nf3 Nc5 16.Ne5 Nb3-+) 15...Nc5 (15...Qa5!? 16.Nec3 Nc3 17.Nc3-+) 16.Qb4 (16.Bc5 Qc5 17.Qb7-+) 16…Nd3 (16...Nd3 17.Kd2 Nb4 18.Bb4 Qb2 19.Ke3 Qb4-+) 0-1. Hrabinska,Myroslava (2235) - Mammadzada,G (2440), Women's Speed Chess Q1, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

5.Bd3 g6 6.c3 Bg7 7.Ba3 Nc6 8.Ne2 Nf6 9.0-0 0-0 10.Nd2 Re8 11.f4 d5 12.e5 Nd7 13.f5 Nb6 14.Ng3 e6 15.fg6+/- fg6 16.Nh5! Ne7 17.Ng7 Kg7 18.Bc1 Bd7 19.Nf3 Qc7 20.Qd2 Ng8 21.Ng5 Rf8 22.Ba3 Rf1 23.Rf1 Nh6 24.Be7 Re8? 25.Bf6+- Kg8 26.Nh7! Nf5 27.Bf5 ef5 28.Qh6 Be6 29.Qg6 (29.Qg6 Qg7 30.Qg7) 1–0. Starczewska,Dominika (1905) – Nowak,Kamil (1635), Rewal Poland, Open–B, 2011.

5.Bd3 g6 6.Ne2 Bg7 7.0-0 Nc6 8.c3 Nf6 9.Na3 0-0 10.Ng3 e5 11.d5 Na5 12.h3 Nd7 13.Bd2 Nc5 14.Bc2 b6 15.c4 Nab7 16.Nb5 a6 17.f4? (17.Be3 f5 18.ef5 Bd7-/+) 17...Nd7 (17...Bh3 18.Nc3 ef4 19.gh3 fg3 20.Kg2-+) 18.Na3? (18.f5 Nf6+=) 18...Qh4 (better is 18...ef4!? 19.Bf4 Ba1 20.Qa1 f6-+) 19.Be1-/+ Qe7 20.f5 b5 1–0. Sean,Winshand Cuhendi (2195) – Shabanov,Nurlan (2140), Porto Carras GRE, World School Ch U17b, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6)

5.f4 e6 6.Bd3 Nf6 7.Nf3=+ Be7 8.0-0 0-0 9.c3 d5 10.e5 Ne4 11.g4 g6 12.g5 Nc6 13.h4 Qc7 14.Be4 de4-/+ 15.Nfd2 e3 16.Ne4 Na5 17.Ba3 Nc4 18.Be7 Qe7 19.Nf6 Kg7 20.Qb3 Qc7 21.h5 b6 22.Ra4 Na5 23.Qc2 Bb7 24.Qh2= Rh8 25.h6 Kf8 26.Qb2 Bc6 27.Ra1+= Rc8 28.Na3 Be8 29.c4 Qe7 30.Rac1 Nb7 31.Rfe1+/- Bc6 32.Re3 Bd7 33.Nb1 Na5 34.Rec3 Nc6 35.R3c2 Qd8? 36.Nd2 1–0. Macicek,Jak (2060) – Diviak,Ra (1935), 17th Pobeskydi Radegast Cup, Frydek Mistek, 2006.

5.f4 g6 6.Bd3 Bg7 7.c3 Nf6 8.Nf3 0-0 9.0-0 Nc6 10.Na3 Bd7 11.Qe1 (11.Bd2 Rb8=+) 11...Rc8 (11...d5 12.e5 Ng4 13.Bd2=+) 12.Bd2 a6 (12...d5 13.e5 Ne4 14.Be4 de4 15.Qe4=) 13.Qh4 (13.e5 Ng4=) 13...Na5 (13...b5=) 14.Rab1 (14.e5!? Ne8 15.Rfb1 de5 16.fe5= (worse 16.Ne5 Be6-/+)) 14...b5-/+ 15.Ng5 (15.Rb2 h6-/+) 15...h6 16.Nf3 d5 17.Ne5?? (better 17.ed5 Bf5 18.Bf5 gf5 19.Qe1-/+) 17...de4-+ 18.Bc2 e3! 19.Be1 (19.Be3 Nc4 Double attack (19...Rc3 Deflection; 19...Nc4 Decoy)) 19...Nd5 20.f5 (20.Qg3 Nc3 21.Qe3 Nb1 22.Bb1 Nc6-+) 20...Bf5 (20...Nc3?! 21.fg6 fg6 22.Rf8 Qf8 23.Bc3 (23.Nd7?? Ne2 24.Kh1 Qf1) 23...Qf2 24.Qf2 ef2 25.Kf2 Rc3 26.Nd7 Bd4 27.Ke2 Re3 28.Kd1 Ra3 29.Bg6-+) 21.Bf5 gf5 22.Qh3 (22.c4 Nc4 23.Nac4 bc4 24.Rf5-+) 22...Nc3 23.Qf5 (23.Qe3 Nb1 24.Nb1 Nc4-+) 23...e2 (better 23...Nb1!? 24.Nb1 e2 25.Rf4-+) 24.Rf4 Nb1 25.Nf7 (25.Qb1 Nc6 26.Nc6 Rc6 27.Qd3-+) 25...Qb6 26.Qd5 (26.Nb1 Rc1 27.Kf2 e5-+) 26...e6 27.Qd7 Rc1 (27...Rc1 28.Kf2 Rc7-+) 0–1. Trkulja,Zoran (2175) – Lipp,Alfred (2055), Offene Wiener Landesmeisterschaft, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.f4 g6 6.Nf3 Bg4 7.c3 Bh6 8.Na3 Nf6=+ 9.Bd3 0-0 10.0-0 Nbd7 11.Qe1 e5 12.Nc4 Bf3 13.Rf3 ed4=+ 14.cd4 d5 15.ed5 Nd5 16.f5 Bg7 17.Bb2 Qe7 18.Qf2 b5 19.Nd2 N7f6 20.h3 b4 21.g4 g5-/+ 22.Nc4 Nf4 23.Ne5 N6d5 24.Re1 Qd6 25.h4 h6 26.Bb1 a5-+ 27.Rc1 Rac8 28.Nc4 Qa6 29.Qc2? Rfe8 30.Kf2 Re2 (30...Re2 31.Qe2 Ne2 32.Ke2 Nb6-+) 0–1. Martell,J – Vassar,R, USA op, 1972.

5.f4 g6 6.Nf3 Bg7 7.Na3 Nh6 8.Bd3 0-0 9.0-0 Nc6 10.c3 d5 11.e5 Bf5-/+ 12.Bf5 Nf5 13.g4 Nh6 14.Ng5 Qd7 15.f5 gf5-+ 16.gf5 Nf5 17.Qg4 e6 18.Rf3 f6 19.Nh7? Kh7 20.Rh3 Bh6 21.Bh6 Nh6 22.Rh6 Kh6 23.Kh1 Qh7 24.Re1 Qf5 25.Qh4 Qh5 26.Qf4 Qg5 27.Qf3 fe5 28.Qh3 Qh5 29.Qe6 Kh7 30.Rg1 Rf7 31.Nb5 Qf3 32.Rg2 Qf1 33.Rg1 Qg1! (33...Qg1 34.Kg1 Rg8 35.Qg6 Rg6 36.Kh1 Rf1) 0–1. Gietl,Thomas (2340) – Kaeser,Udo (2275), GER Cup qf Walldorf, 1998.

5.f4 g6 6.Nf3 Bg7 7.c3 d5 8.e5 h5 9.Bd3 Nh6 10.Na3 0-0 11.Nh4 Bd7 12.f5 Qc8 13.0-0 Qc3 (worse is 13...Nf5 14.Nf5 Bf5 15.Bf5 gf5 16.Bg5 Qc3 17.Be7 Qe3 18.Kh1=) 14.Nc2 Nf5 15.Bf5 Bf5 16.Nf5 gf5 17.Ra3 Qc6 18.Rf5 Rc8 19.Rf2 Na6 20.Qh5 Qg6 21.Qd1 Rc6 22.Rg3 Qh7 23.Rh3 Qg6 24.Rg3 Qh7 25.Rh3 ½–½. Vetoshko,Volodymyr (1840) – Lots,Stepan (2330), UKR–ch sf U20, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.f4 g6 6.Nf3 Bg7 7.Bd3 e6 8.0-0 Ne7 9.Ba3 0-0 10.c3 Qc7 11.e5 de5 12.fe5 Nbc6 13.Nbd2 Nd5? (better is 13...f6!? 14.ef6 Rf6+=) 14.Bf8+- Bf8 15.Ne4 (better is 15.Qb3!?+-) 15...Ne3+= 16.Nf6 Kh8 17.Qe1 Nf1 18.Qh4 h6 19.Rf1 Bd7 (better is 19...Ne7 20.Ne8 Qd7+/- (20...Qc3 21.Qf6 Kg8 22.Ng5 Qd4 23.Kh1 Qa4 24.Qf7 Kh8 25.Qh7)) 20.Ng5 (20.Nd7?! Qd7 21.Qf4 a5+=) 20...Be8 (20...Ne5 21.de5 Bc8+-) 21.Ne8 Re8 22.Rf7 (22.Nf7 Qf7 23.Rf7 Bg7 24.Bg6 Nd8 25.Rd7 Nc6 26.Rg7 Kg7 27.Qf6 Kg8 28.Qf7 Kh8 29.Qh7) 22...Qd8 (22...Qe7 23.Re7 Re7+-) 23.Rf8! (23.Rf8 Kg7 24.Rf7 Kh8 25.Qh6 Kg8 26.Qg7) 1–0. Macicek,Jakub (2030) – Jankovec,Ivan (2195), CZE–chT2f, 2007. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

5.f4 g6 6.Nf3 Bg7 7.h3 Nc6 8.Nc3 Nf6 9.e5 de5 10.fe5 Nd5 11.Nd5 Qd5 12.c4 Qa5 13.Bd2 Qb6 14.c5 (better 14.Ra3!? 0-0 15.Qb3 Qb3 16.Rb3=+) 14...Qb2-+ 15.Rb1 (15.Kf2 Bf5 (15...Nd4?! 16.Qa4 Bd7 17.Qd4=) 16.Bc4 Nd4-/+) 15...Bf5 16.Rb2 ab2 17.Bh6 b1Q (17...b1Q 18.Qb1 Bb1 19.Bg7 Rg8-+; 17...Bh6?! 18.Bd3 Bd3 19.Qd3-/+) 0-1. Savchenko,B (2565) - Yeletsky,Ivan (2435), 23rd Voronezh Master Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

5.Nf3 Nf6

6.Nc3 g6 7.Ba3 Bg7 8.Bc4 0-0 9.e5 de5-/+ 10.de5 Ng4 11.Qd8 Rd8 12.Rb1? Ne5-+ 13.Ne5 Be5 14.Nd5 e6 15.Ne7 Kg7 16.0-0 a6 17.c3 b5 18.Bd3 Bc3 19.Rbc1 Rd3 20.Nc8 Nd7 21.Ne7 b4 (21...b4 22.Bb4 Bb4-+) 0–1. cjack (2165) – mippus (2115), net–chess.com, 2008.

6.Nc3 g6 7.Bd3 Bg7 8.0-0 0-0 9.Ba3 Bg4 10.h3 Bf3 11.Qf3 Nc6 12.Qe2? Nd4-+ 13.Qe3 Nd7 14.Bb2 Ne6 15.Ra7 Ra7 16.Qa7 Qb6 17.Qa1 Rd8 0–1. Chkhaidze,Mariana – Horvath,Reka, EU–ch U12 Girls, 1997.

6.Bd3 e6 7.0-0 Be7 8.Ba3 0-0 9.e5 Ne8 10.Nc3 d5 11.h4 f5 12.Nb5 Ba3 13.Na3 Nc7 14.c4 Bd7 15.Qb3 Bc6 16.Rfc1 Nd7 17.Ng5 Qe7 18.Nb5 Bb5 19.cb5+= Nb6 20.Rc7 Qc7 21.Ne6 Qe7 22.Nf8 Qf8 23.Ra3 Qf7 24.Qa2 Nc8 25.Qc2 Ne7 26.Qc7 Ng6 27.Rc3 Rf8 28.g3 1–0. Oreshko,Mariya (1690) – Nominerdene,Davaademberel (1770), Caldas Novas BRA, World Ch U12 (g), 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

6.Bd3 e6 7.0-0 Be7 8.Na3 0-0 9.h3 Nbd7 10.Bf4 b6 11.Nb5 e5 12.de5 de5 13.Ne5 Ne5 14.Be5 Bb7 15.Qe2 a6 16.Nc7 Rc8 17.Na6 Bd6 18.Bd6 Qd6 19.e5 Qd5 20.f4 Rfe8 21.Kh2 Ne4 22.Rfe1 Nc3 23.Qf2 Red8 24.Rg1 Qd4 25.Qh4 Be4 26.Qg4 Bd3 27.cd3 Qd3 28.e6 Re8 29.ef7 Kf7 30.Nb4 Qe4?? (better is 30...Qd6=) 31.Ra7+- Re7 32.Re7 (worse is 32.Qc8 Ra7 33.Qc3 Qf4 34.g3 Qf6 35.Qc4 Kg6+-) 32...Ke7 33.Qc8 (33.Qg7?! Kd8 34.Qf6 Kd7+-) 33...Qf4 34.Kh1 Qb4 35.Re1 (35.Re1 Ne4 36.Qb7 Kf6 37.Qe4 (worse is 37.Re4 Qd6 38.Re1 g6+-) 37...Qe4 38.Re4+-) 1–0. Gietl,Thomas (2305) – Goetz,Gerhard, Postbauer op U18 3rd, 1997. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

6.Bd3 g6 7.0-0 Bg7 8.Ba3 0-0 9.Nbd2 Nfd7 10.Re1 Nc6 11.c3 b6 12.h4 h5 13.Qb3 Na5 14.Qa2 Nf6 15.Ng5 Nh7 16.Ndf3 Bh6 (16...Ng5!? 17.Ng5 Bb7=+) 17.e5= Bg5 18.hg5 e6 (18...Be6!? 19.d5 Bg4=) 19.ed6 (19.Bd6 Re8+/-) 19...Ng5 20.Ng5 Qg5 21.Re5 Qf6 22.d7 Bd7 23.Bf8 Rf8 24.Rae1 Rc8 25.Qa3 Bc6 26.R1e3 Bd5 27.Rg3 h4 28.Rg4 Nc4 (28...h3 29.Reg5 A) 29...hg2 30.Bg6 fg6 31.Rg6 Qg6 32.Rg6 Kf7 33.Rh6+- (33.Rg2?! Bg2 34.Kg2 Nc6+/-); B) 29...Nc4 30.Qa7 Ra8+=) 29.Bc4+/- Bc4 30.Qa7 Bd3 31.Qa1 Bf5 32.Rf4 Qg5 33.Rf3 Qh6 34.Qe1 Bg4 35.Qe3 Qh8 (35...Qe3!? 36.Rfe3 Bf5+/-) 36.Rf4+- Bf5 37.d5 Rc5 38.Ra4 (38.Rb4!? Rd5 39.Rd5 ed5 40.Qb6 Qc3 41.Qd8 Kg7 42.Rh4 Qc1 43.Kh2 Qc8 44.Qd5 Qb8 45.g3 g5+-) 38...Qf6+/- 39.Qh6 Rc8 (39...Rd5?? 40.Rd5 ed5 41.Ra8 Bc8 42.Rc8 Qd8 43.Rd8) 40.Re3 ed5 41.Rh4 Qg7 42.Qf4 Qf6 43.Qg3 (43.Re5 Qg7+-) 43...Ra8 44.Rd4 Be6 45.Rd1 Rc8 46.Rf3 Qg7 47.Rb1 d4 48.Rb6 Qh6 49.Rb1 Bd5 50.Qg4 Qf8 51.Rd3 Be6 52.Qd4 Bf5 53.Rbd1 Bd3 54.Rd3 Rb8 55.Rh3 Qg7 56.Qg7 Kg7 57.Re3 Rb2 58.g3 Rc2 59.Rd3 Kf6 60.Kg2 Ke5 61.Kf3 g5 62.Ke3 g4 63.f3 gf3 64.Kf3 f5 65.Re3 Kf6 66.Kf4 Rf2 67.Rf3 Rc2 68.Rd3 Rc1 69.Rd6 Ke7 70.Rc6 Rf1 71.Ke3 Re1 72.Kf2 Rc1 73.c4 Rc3 74.Kg2 Kf7 75.c5 (75.Kh2!?+/-) 75...Ke7= 76.Rc7 Ke6 77.c6 Kd6 78.Rd7 Ke6 79.Rc7 Kd6 ½-½. Broz,Petr (1990) - Pulpan,J (2410), Ceske Budejovice Open, 2020. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

6.Bd3 g6 7.0-0 Bg7 8.Na3 0-0 9.Bb2 (9.Bd2 Nh5=) 9...Bg4 10.h3 Bf3 11.Qf3 (worse is 11.gf3 Nh5 12.c3 e5-+) 11...Nfd7 12.e5 (12.c3!?=) 12...Nc6+= 13.ed6 ed6 14.Rab1 (14.c3 Nf6=) 14...d5 (14...Nd4!? 15.Qd5 Qf6+=) 15.Qd5+= Nb6 16.Qd8 Rad8 17.c3 Rfe8 18.Rfe1 Nc8 (18...a6!?+=) 19.Re8+/- Re8 20.Kf1 Nd6 21.Nb5 Nb5 22.Bb5 a6 23.Be2 Rc8 24.Bg4 f5 25.Bf3 Nd8 26.Re1 Bf6 27.Bd5 Nf7 28.Bb7 (28.Re2 Rc7+/-) 28...Rb8 29.Ba3 Rb7?? (better is 29...Bd4 30.cd4 Rb7 31.Re8 Kg7+/-) 30.Re8 Kg7 31.Bf8 (31.Bf8 Kg8 32.Bh6) 1–0. Ketola,Ville (2110) – Nikolakaros,Kimon (1625), Naantali FIN, Open, 2012. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 d6)

6.Bd3 g6 7.0-0 Bg7 8.Qe2 0-0 9.Rd1 Nc6 10.Bb5 (10.c3 Bg4+=) 10...Qb6 11.e5 (11.Na3 Bg4 12.c3 a6+=) 11...de5-/+ 12.de5 Ng4 13.Na3? (better is 13.Bc6!? Qc6 14.Na3+=) 13...Nce5-+ 14.Ne5 (better is 14.Rb1-+) 14...Be5 (14...Ne5?! 15.Be3 Qe6 16.Nc4-+) 15.h3 (15.Rb1 Bh2 16.Kf1 Qf6-+) 15...Ba1 (15...Qf2 16.Qf2 Nf2 17.Kf2 Ba1 18.Bg5-+) 16.hg4 Bg7 17.Be3 Qa5 18.Nb1 (18.Rd3 Be6-+) 18...Qb4 (18...Bg4!? 19.Qg4 Qb5 20.Qd7-+) 19.f3 (19.Bc4 a6-+) 19...a6 20.Bd2 (20.Bc4 Qa5-+) 20...Qd4 (better is 20...Qb5 21.Qb5 ab5-+) 21.Be3 Qb4 22.Bc4?? (22.Bd2 Qb5 23.Qb5 ab5 24.Bb4-+) 22...b5 (better is 22...e6!? 23.g5-+) 23.Bd5 Bb7?? (better is 23...Rb8 24.Ba7 Bb7-+) 24.Bb7-/+ Rad8 25.Ba6 Qc4 26.Qc4-/+ Rd1 27.Qf1 Rf1 28.Kf1 Ra8 29.Bb5 Ra1 30.c4 Rb1 31.Kf2 Be5 32.f4 Bd6 33.Bd7 Rb7 34.Ba4 Rc7 35.Bb3 Bc5 36.Bc5 Rc5 37.Ke3 Kf8 38.Kd4-/+ Rc7 39.c5 Ke8 40.Kd5 Rb7 41.Ba4 Kd8 42.c6? Rb4 43.Bd1 Rf4 44.Kc5 Kc7 45.Bf3 Ra4 46.Bd1 Ra1 47.Bf3 Ra5 48.Kb4 Re5 49.Kc4 h5 50.Kd4 Rg5 51.gh5 gh5 52.Ke3 h4 53.Kf4 Rg3 54.Ke3 h3 55.Kf2 hg2 56.Bg2 Rg2! 57.Kg2 Kc6 58.Kf3 Kd5 59.Kf4 Kd4 60.Kf3 e5 61.Ke2 Ke4 62.Kf2 Kd3 63.Ke1 Ke3 64.Kf1 Kd2 65.Kf2 e4 (65...e4 66.Kg2 f5-+) 0–1. Hind,Faraj – Liiv,Kristiina, Al–Ain UAE, World Ch Girls U10, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3 4.d4 d6 5.Nf3 Nf6)

6.Bd3 g6 7.Bg5 Bg7=+ 8.Qd2 0-0 9.Ra3 Qe8 10.Nc3 a6 11.Bf6= ef6 12.Qf4 f5 13.0-0 fe4 14.Be4 Nc6 15.Re1 Qd8 16.Nb5 d5 17.Bd5 ab5 18.Ra8-/+ Qd5 19.c3 b4 20.c4 Qc4 21.Qc7 Be6 22.Qb7 Nd4 23.Ra4 Nf3 24.gf3 Qc3 25.Re3 Qc1 26.Kg2 b3 27.f4 b2 28.Rb4 Ba2 29.Reb3 Bb3 30.Rb3 Qf4 31.Rb4 Qg5 32.Kf3 Qh5 33.Kg2 Be5 34.f4 Bg7 35.Qe4 Qg4 36.Kf2 Qd1 37.f5 Qd2 38.Kf3 Qd1 39.Kg3?? Qg1 40.Kh3 Qf1 41.Kg3 Qf5 42.Qb7 h5 43.h4 Rc8 44.Re4 Rc3 45.Re3 Re3 (45...Re3 46.Qf3 Qf3 47.Kh2 Be5 48.Kg1 b1Q) 0–1. Caldon,D – Voon,Min, Doeberl Cup Canberra, 1994.

4.d4 e6

5.Ba3 Ba3 6.Ra3 Ne7 7.Nf3 d5 8.e5 (8.Nc3 0-0+=) 8...h6 9.Bd3 Bd7 10.Nc3 a6 11.Qb1 Qc7 12.Qb4 (12.0-0 0-0=) 12...Nec6 (12...a5 13.Qc5 Na6 14.Ba6 (worse is 14.Qa5 b6 15.Qa6 Ra6 16.Ba6 0-0-+) 14...Qc5 15.dc5 Ra6 16.Kd2+=) 13.Qb1 (13.Qc5 b6 14.Qd6 Qd6 15.ed6 Na7=) 13...Ra7 (better is 13...Na5+=) 14.Na4?? (better is 14.0-0=) 14...Qa5-+ 15.Nd2 (15.c3 b5 16.Qb3 ba4 17.Ra4 Qc7-+) 15...b5 0–1. Grove,Michael (2080) – Snorek,Milan (2105), Brno CZE, 5th Open, 2014. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.Ba3 Ba3 6.Na3 d5 7.e5 Bd7 8.Nb5 Bb5 9.Bb5 Nc6 10.Bc6 bc6 11.Qg4 g6 12.Nf3 Ne7 13.0-0 0-0 14.c4 a5 15.Rfc1 Qd7 16.Qh3 Kg7 17.Qh4 Rfb8 18.c5 a4 19.Qf6 Kg8 20.Ra3 Rb3 21.Rca1 Ra3 22.Ra3 Nf5 23.g4 Ng7 24.Qg5 Qb7 25.Kg2 Qb4 26.Ra1 Ne8 27.Qh4 Qb7 28.Ra3 Qd7 29.Ng5 f6 30.ef6 Nf6 31.Rf3 Rf8 32.Rf6 Rf6 33.Nh7 Rf7 34.Nf6 Rf6 35.Qf6 Kh7 36.g5 ½–½. Osthus,Reinhard – Dietrich,Udo (2155), DESC, 2001. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.Bd2 d5 6.e5 Nc6 7.Na3 Nd4 8.Nb5 Nc6 9.Nf3 Bc5 10.Bg5 f6 11.ef6 gf6 12.Bd2 Nge7 13.Be2 0-0 14.Ra4 e5 15.Nh4 Be6 16.Bh6 Rf7 17.Bh5 Ng6! 18.Ng6 hg6 19.Bg6 Rd7 20.Rg4? Kh8?? 21.Rh4+= Kg8 22.0-0 e4 23.Qh5 Ne5 24.Bg7 Ng6=+ 25.Qh7 Kf7 26.Bh6 Ke8 27.Qg6 Bf7 28.Qf5 Bf8 29.Bf8+/- Kf8 30.Rh8 Bg8 31.Nd4 Ke7 32.Qh3 Qb6 33.Nf5 Ke6 34.Nh6 Kd6 35.Rg8 Rg8 36.Ng8 Kc7 37.Qc3 (37.Qc3 Kd8 38.Nf6+- (< 38.Qf6 Qf6 39.Nf6 Rd6+-)) 1–0. jamesjj (2205) – gregorgysi (2220), net–chess.com, 2009.

5.e5 d5 6.f4 f5 7.Na3 Bb4 8.Kf2 Nh6 9.Qh5 Kf8 10.Nb5 Ng4 11.Kf3 g6 12.Qg5 Be7 (better is 12...Qg5!? 13.fg5 Nc6+=) 13.Ba3+/- Nc6 14.h3 h5 15.hg4?? (better is 15.g3 Nh6 16.Ne2=) 15...hg4-+ 16.Kg3 Rh1 17.Qf6 Kg8 (17...Ke8!? 18.Be7 Qe7 19.Nd6 Kd7 20.Qe7 Ke7 21.Ne2-+) 18.Qg6 Kh8 19.Kf2 Bh4 (better is 19...Ba3!? 20.Ra3 Qh4 21.Rg3 Qh7 22.Qh7 Rh7-+) 20.Ke3-/+ Ne5 (20...Ne7 21.Qh6 Kg8+=) 21.de5= Qb6 (21...Rg1 22.Nd6 Qb6 23.Kd3 Qa6 24.Kd2 Qa5 25.Ke2 Qa6 26.c4 Qd6 27.ed6+-) 22.Kd2 Bf2 (22...Qg1 23.Bf8 Be1 24.Kd1+-) 23.Bd3 Bd7 (23...Qe3 24.Kc3 Qf4 (24...Bg1?? 25.Be7 Qc5 26.Bc5+-; 24...Rg1 25.Rg1 Bd7 26.Rh1 Qh3 27.gh3 Bh4 28.hg4 Rc8 29.Kd4 Rc4 30.Bc4 dc4 31.Rh4) 25.Qf6 Kg8+/-) 24.Nf3?? (24.Be7 Qe3 25.Kc3+-) 24...Ra1 (24...Be3 25.Kc3 Rc8 26.Kb2 Ra1+=) 25.Be7?? (better is 25.Qh6 Kg8 26.Qg6 Kh8 27.Qh6 Kg8 28.Qg6 Kh8=) 25...Be1! 26.Ne1 Qf2 27.Kc3 Qe1 28.Kd4 Ra4 29.c4 Rc4! 30.Bc4 Qe4 31.Kc3 dc4 32.Kd2 Qf4 33.Kd1 ½–½. Bird – Macdonnell, London, 1882. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.Nf3 d5 6.e5 Bd7 (6...a2 7.Ra2 Nc6 8.Be2=+) 7.c3 (7.Ba3 Ne7=+) 7...Qc7 8.Bd3 Ne7 (8...f6 9.0-0=+) 9.0-0 (9.Ba3 Ng6=) 9...Ng6=+ 10.Ng5 Be7 (10...Nc6 11.Qh5 Bc8 12.Nh7+=) 11.f4 (11.Qh5!? Bg5 12.Bg5=) 11...Qb6 12.Qe2 (12.Na3 Nc6=+) 12...Nc6-/+ 13.Kh1 (13.Qf2!?-/+) 13...Na5 14.Ba3 Nf4 15.Rf4 Bg5 16.Rf7 (16.Rf1 h5 17.Bc5=) 16...Kf7-+ 17.Qh5 g6 (better 17...Kg8!? 18.Qg5 Bb5-+) 18.Qg5-/+ Qd8 19.Qh6 Nc4 (19...Nc6!?=+) 20.Bc4= dc4 21.Nd2 Bc6 22.Rf1 Ke8?? (22...Kg8 23.Nc4 b5+-) 23.Qg7+- Bg2 24.Kg2 Qg5 25.Kh1 (25.Kh1 Rg8 26.Qg8 Kd7 27.Qf7 Kd8 28.Qf8 Kc7 29.Qd6 Kc8 30.Rf8 Qd8 31.Qd8) 1–0. Zhou,Jianchao (2205) – Kessler,Michaela (2010), ch–AUT Linz AUT, 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 e6)

5.Nf3 d5 6.e5 Ne7 7.Bd3 Ng6 8.0-0 Be7 9.Na3 (9.Ba3 Nf4=) 9...0-0=+ 10.h4 (10.Nb5!?=+) 10...Nh4-/+ 11.Nh4 Bh4 12.g3 Be7 13.Bh7?? (better 13.Qh5 g6 14.Qh6-/+) 13...Kh7-+ 14.Qh5 Kg8 15.Kg2 f6 16.Rh1 fe5 17.de5 Rf5 (17...Nc6 18.Qh7 Kf7 19.Qh5 g6 20.Qh7 Ke8 21.Qg6 Kd7 22.Rh6-+) 18.Qh7? (18.Qh8 Kf7 19.f4 Qh8 20.Rh8-+) 18...Kf7 19.Rh6 Qg8 20.Qg6 Kf8 21.Rh7 (21.Nb5 Na6 (21...Re5 22.Nc7 Bd7 23.Rh7-/+) 22.Ra6 ba6-+) 21...Bd7 (21...Bc5 22.f3 Re5 23.Rg7 Re2 24.Kf1 Qg7 25.Bh6 Rf2 26.Ke1 Qh6 27.Qh6 Ke7 28.Qg7 Kd8 29.Nb5-+) 22.Bh6 (22.Rg7 Qg7 23.Bh6 Qh6 24.Qh6 Ke8 25.f4-+) 22...Rf7 (22...gh6?! 23.Qh6 Ke8 24.Rh8 Qh8 25.Qh8 Rf8 26.Qh6-+) 23.Rh1 (23.Bf4 Be8 24.Qh5 Rf4 25.Qh3-+) 23...Ba3 (better 23...Be8 24.f3 Nc6-+ (24...Ba3?! 25.Bg7 Rg7 26.Qf6 Rf7 27.Rf7 Bf7 28.Qd8 Be8 29.Qf6 Bf7 30.Qd8 Kg7 31.Qf6 Kf8=; 24...gh6?! 25.Qh6 Rg7 26.Rh8-+)) 24.Bg7=+ Rg7 25.Qf6 Rf7?? (better 25...Ke8 26.Rg7 Qf8 27.Qg6 Kd8=) 26.Rf7+- Ke8 27.Rhh7 a5 (27...Qf7 28.Qf7 Kd8 29.Qg8 Kc7 30.Qe6 Bc5+-) 28.Re7! (28.Re7 Kd8 29.Rd7 Ke8 30.Rd8) 1-0. Leentjens,G (1865) - Muenk,Johannes (1695), 23rd HZ Open, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4)

4.d4 g6

5.Ra3 Bg7 6.Bc4 Qb6 7.Ne2 d6 8.0-0 Nc6 9.Be3= Qd8 10.f4 Nf6 11.f5 d5 12.ed5 Nd5 13.fg6 hg6 14.Bf2 Be6 15.Bb3 b5 16.Ra6 Qc7 17.h3 Rd8 18.c4 Ndb4 19.cb5 Bb3 20.Qb3 Na6 21.Bg3 e5 22.bc6 0-0 23.d5 Qa5 24.Nbc3 Nc7 25.Rd1 Rfe8 26.Kh2 Qc5 27.Ne4 Qb5 28.Qb5 Nb5 29.d6 f5 30.Bh4 Rc8 31.d7 fe4 32.de8Q Re8 33.Bd8 a6 34.c7+/- Na7? 35.Nc3 e3+/- 36.Nd5 e4 37.Ne3 a5 38.Rb1 Bd4 39.Rb7 Nc8 40.Nc2 Ba7? 41.Rb8+- Nd6 42.Ra8 Bb6 43.c8Q Nc8 44.Bb6 a4 45.Bc5 1–0. Fernandez,Dani (2365) – Swathi,G (2330), Sydney International Open, Parramatta A, 2009.

5.c3 Bg7 6.Bd3 d6 7.f4 Nf6 8.Ne2 0-0 9.0-0 b6 (9...Nc6!?-/+) 10.e5= Ne8 (10...de5 11.fe5 Nd5 12.Be4= (worse 12.Na3 Nc3 13.Nc3 Qd4 14.Rf2 Qc3-/+; worse 12.Ra3 Nc6=)) 11.Qb3 (11.Na3 Nc6=) 11...Bb7 (11...Be6 12.Qa3 Nc6 13.Nd2=+) 12.Ba3 (12.Na3 Nc6 13.Qb1 Nc7=+) 12...Nc6-/+ 13.e6 (13.Nd2 de5 14.fe5 Ne5-+) 13...f5 14.Nd2 Na5 (14...Qc8 15.Qa2-/+) 15.Qa2-/+ Nc7 16.c4 (16.Nf3!?-/+) 16...Ne6-+ 17.Bb2 (17.c5 d5 18.Nf3 bc5 19.Bc5 Nc5 20.dc5 Ba1 21.Ra1 Nc6-+) 17...Nc6 18.Nf3 (18.c5 d5 19.Rab1 Nb4-+) 18...Nb4 19.Qb3 Nd3 (19...a5 20.Rac1-+) 20.Qd3 Nc5! 21.dc5 (21.Qa3 Ne4 22.d5 Bb2 23.Qb2-+) 21...Bb2 22.Rad1 (22.Ra2 Bf6-+) 22...Bf3 23.Rf3 (23.Qf3 bc5 24.Nc3 Qa5-+) 23...bc5 24.h4 (24.Nc3 Qa5 25.Qc2 Rab8-+) 24...Qe8 (24...a5 25.Qd2 Bf6 26.h5-+) 25.h5 (25.Nc3 Rb8-+) 25...a5 26.Kf2 (26.Qd2 Bg7-+) 26...a4 27.hg6 (27.Nc3 a3 28.Qe2 Qf7 29.hg6 hg6-+) 27...hg6 28.Rh1 (28.Nc3 a3 29.Rh1 Qf7-+) 28...a3 29.Nc3 Qf7 30.Rfh3 (30.Rg3-+) 30...Qf6 31.Qd5 (31.g4 Bc3 32.Qc3 Qc3 33.Rc3 Rfb8-+) 31...e6 32.Rh8 (32.Qd2 Qd4 33.Qd4 cd4-+) 32...Qh8 33.Qe6 Kg7 34.Rh8 (34.Qe7 Rf7 35.Rh8 A) 35...Kh8?! 36.Qf7 Bc3 37.Qb7-/+ (37.Qg6?? a2 38.Qh5 Kg8 39.Qf5 Bd4 40.Kg3 Ra3 41.Kg4 Ra7-+); B) 35...Rh8-+) 34...Kh8 (34...Rh8?! 35.Qe7 Kh6 36.Qh4 Kg7 37.Qe7 Kg8 38.Qe6 Kg7 39.Qe7=; 34...Bc3?! 35.Rg8 Rg8 36.Qe7 Kh6 37.Qh4 Kg7 38.Qe7 Kh6 39.Qh4 Kg7 40.Qe7=) 35.Na2 Bd4 36.Kg3 (36.Kf1 Kg7-+) 36...Rae8 37.Qd6 (37.Qd7 Re3 38.Kh2 Rfe8-+) 37...Re3 38.Kh2 Kg7 39.Qd7 Rf7 40.Qd6 (40.Qa4 Kf6 41.Qa6 Re6 42.Qa3 Rh7 43.Kg3 Re3 44.Qe3 Be3-+) 40...Re1 41.Qb8 (41.Qa6 Rfe7 42.Qa3 Bg1 43.Kh3 R1e3 44.g3 Ra3 45.Nc1 Re1 46.Nd3 Re2 47.Nf2 Rf2 48.Kh4 Kf6 49.g4 Rh2) 41...Rfe7 42.Qb6 Bg1 43.Kh3 R1e3 44.g3 (44.Kh4 Bf2 45.g3 Rg3 46.Qd8 Rg4 47.Kh3 Re3 48.Kh2 Bg1 49.Kh1 Rh3) 44…Re2 (44...Re2 45.Qg6 Kg6 46.g4 R7e3 47.Kh4 Bf2) 0–1. Asaria,Danial (2020) – Aoshima,Mirai (2280), 26. North American Open, 2016. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.d4 g6)

5.c3 Bg7 6.f4 d6 7.Na3 Nf6 8.Bd3 e5 9.Nc4 ed4 10.Ba3 0-0 11.Nd6= dc3 12.Nc8 Qc8 13.Bf8 Kf8 14.Rc1 Qc5 15.Qf3 Nc6 16.e5 Nd4 17.Qb7+= Re8 18.Nf3 Nc6 19.Be2= Ne4 20.Rf1 c2 21.Nd2 Qc3 22.Qd7 Rd8 (22...Rd8 23.Rf3 Qb2 (23...Qd2?! 24.Qd2 Nd2 25.Rd3 Rd3 26.Bd3-/+; 23...Nd2?? 24.Qd8 Nd8 25.Rc3+-) 24.Qd8 Nd8-+) 0–1. Petyko,Zoltan – Nikolaev,Sergej (2345), Spring op Budapest, 1990.

5.Nf3 Bg7 6.c3 Nf6 7.Bd3 0-0 8.0-0 d6 9.Ba3 Nc6 10.Re1 b6 11.Nbd2 Bb7 12.Nf1 Rc8 13.Rc1 Re8 14.Ne3 Na5 15.Nd2 d5 16.e5= Ne4 17.Nb1 f5 18.f3 Ng5 19.h4 Ne6-/+ 20.Nf5? gf5-+ 21.Bf5 Rc6 22.Qd3 Nf8 23.e6 Bc8 24.h5 Be6 25.Be6 Re6 26.Re6 Ne6 27.Qf5 Nf8 28.Re1 e6 29.Qg4 Qf6 30.Bc1 h6 31.Na3 a6 32.Bf4 Nc6 33.Nc2 b5 34.Ne3 b4 35.Nd5 ed5 36.Re8 bc3 37.Be5 Ne5 38.de5 Qb6 39.Kh2 c2?? 40.Re7=+ Ng6 41.Rg7?? Kg7-+ 42.e6?? Qb8 43.g3 Qe8 44.Qd4 Kg8 45.Qb2 Qc8 46.Qf6 Qe8 47.e7?? c1Q-+ 48.Qe6 Kg7 49.hg6 Qd2 50.Kh3 0–1. Kuncar,P (2115) – Cedikova,K (2260), 2nd Highlands Open A, 2005.

5.Nf3 Bg7 6.Bc4 d6 (6...b5 7.Bd5 Nc6 8.Na3 b4 9.Nc4 Nf6 10.0-0 Bb7 11.Bg5 0-0 12.Bf6 Bf6 13.e5) 7.0-0 Nf6 8.e5 (8.Nc3 Nc6 9.Ra3 0-0 10.Be3 Ne4 11.Ne4 d5 12.Bd3 de4 13.Be4; 8.Re1 0-0 9.Nc3 Bg4 10.Ra3 Nc6 11.Be2 d5 12.ed5 Nd5 13.Nd5) 8...de5 9.Ne5 (9.de5 Qd1 10.Rd1 Ng4 11.Bf4 Nc6 12.Bb5 0-0 13.Bc6) 9...0-0 10.Ba3 (10.Ra3 Nc6 11.Nc6 bc6 12.Nc3 Nd5 13.Re1) 10...Nc6 11.Nc6 bc6 12.Re1 Re8 (12...Nd5 13.Bc5) 13.Bc5 (13.Nc3+=) 13...a5 (13...Nd7!? 14.Qf3 e6 15.Qc6 Bb7 (15...Nc5?! 16.Qa8 Bd4 17.Ra7=) 16.Qb7 Nc5-/+) 14.Qf3+= Bb7?? (better is 14...Nd5+=) 15.Qb3+- Ba6? (better is 15...Nd7 16.Bf7 Kh8+-) 16.Bf7 Kh8 17.Be8 Ne8 18.c3 (18.Re7 Bf8 19.Re1 Bc5 20.dc5 Nf6+-) 18...Bf6 19.Qa3 Bd3 20.Be7 Be7 21.Qe7 Qe7 22.Re7 a4 23.Na3 Nd6 24.Re6 Rd8 25.f3 Kg7 26.Re7 Kh6 27.Rc7 Bb5 28.h4 Re8 29.g4 g5 30.hg5 Kg5 31.Kf2 Kf4 32.Nb5 cb5 33.Rd7 Re6 34.Rb1 Rh6 35.Rd6! Rd6 36.Rb5 Rf6 37.Ra5 h5 38.Rh5 a3 39.Ra5 a2 40.Ra2 Rh6 41.Kg2 1–0. Oreshko,Mariya (1690) – Priyamvada,Karamcheti (1780), Caldas Novas BRA, World Ch U12 (g), 2011. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

4.Nf3 Nc6

5.Ba3 e5 6.Bf8 Kf8 7.Bb5 Nge7 8.Nc3 d6 9.Bc4 Ng6 10.0-0 h6 11.Nd5 Be6 12.g3 Kg8=+ 13.Qe2 Kh7 14.Kg2 Rc8 15.Rfb1 Na5 16.d3 Rc5 17.Ba2 Qd7 18.Ne3 Rhc8 19.Be6 fe6 20.Ra3 Rf8 21.c3 b6 22.d4 Rc7 23.h4 ed4 ½–½. Guelker,Lorenz (2225) – Stuempfig,Horst (2380), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

5.Bc4 Nf6 6.Nc3 e6 7.0-0 d5 8.ed5 ed5 9.Bb3 Be7 10.Ba3 Ba3 11.Ra3 0-0 12.d4 Bg4 13.h3 Bf3 14.Qf3 Nd4 15.Qd3 Nb3 16.Rb3 b6 17.Rd1 Re8 18.Nd5 Nd5 19.Qd5 Re1 20.Re1 Qd5 21.Rbe3 g6 22.Re5 Qc6 23.R1e2 a5 24.R5e4 a4 White resigned 0–1. mckenna215 (1925) – bulent_2010 (2675), ChessWorld.net, 2015.

5.d4 d5 6.ed5 Qd5 7.c4 Qd8 8.d5 Nb8 9.Ba3 Nf6 10.Nc3 g6 11.d6 (11.Qa4!? Nbd7 12.Ra2=) 11...ed6-/+ 12.Nb5 d5 13.Qe2 Be6 14.cd5 Ba3 15.Ra3 Nd5 16.Nbd4 Qe7 17.Ne6 fe6 18.Qe4?? (18.Rb3 0-0-+) 18...Nc6 (better is 18...Qa3 19.Bb5 Nc6 20.0-0-+) 19.Bc4?? (19.Rb3 0-0-+) 19...0-0 (19...Qa3 20.Qe6 Nde7 21.Qf7 Kd7 22.0-0-+) 20.0-0?? (20.Rb3 Rf4 21.Qe2 Rc4 22.Qc4 Na5-+) 20...a6 (better is 20...Rf4 21.Qe2 Rc4 (21...Qa3?! 22.Qe6 Kh8 23.Bd5-+) 22.Ra7 Ra7 23.Qc4 Qb4-+) 21.Rfa1 Rad8 22.Ne5 (better is 22.Rb3-+) 22...Nf4?? (22...Rf4 23.Nc6 Re4 24.Ne7 Ne7 25.Rc3-+) 23.Bf1?? (23.Nc6 bc6 24.Ra6 Qf6=) 23...Qg5?? (better is 23...Qh4 24.Kh1 Ne5 25.Qe5 Qf2-+) 24.Kh1?? Qf5 1–0. Procop,Egor (2060) – Lopatik,Nikita (1980), Budva MNE, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 ba3)

5.d4 e6 6.Bd3 a2 7.Ra2 Nf6 8.0-0 Be7 9.Nc3 Nb4 10.Ra1 Nd3 11.Qd3 d6 12.Ba3 0-0 13.Rfe1 b6 14.e5 de5 15.Be7 Qe7 16.de5 Ne8 17.Ne4 f6 18.ef6 Nf6 19.Nd6 Rd8=+ 20.Nf5 Qc7 21.N5d4 Qc5 22.c3 a5 23.Qc2 Rd5 24.Ne6 Be6 25.Re6 b5 26.Re3 a4 27.h3 Re8 28.Re8 Ne8 29.Rb1 Nd6 30.Qe2 h6 31.Qe6 Kh7 32.Re1 1–0. Stuempfig,Horst (2380) – Zur,Jan (1815), RSX7E – B20 – Siz. FluegelGmbt–1, 2008.

5.d4 g6 6.Ra3 e6 7.d5? Ba3-/+ 8.Ba3 Nce7 9.Nbd2 f6 10.Nc4-/+ ed5 11.ed5 Kf8 12.Qd2 Kg7 13.Nd6 Nh6 14.Bd3 Nef5 15.Ne4 d6-+ 16.h3 Nf7 17.g4 Re8 18.Bb2 N5h6 19.g5 Ng8 20.Kd1 Kf8 21.gf6 Re4 22.Be4=+ Nf6 23.Bd3 Nh5 24.Rg1 Qe7 25.Qc3 Bh3 26.Ng5 Ng5 27.Qh8 Kf7 28.Qa8 Nf3 29.Qh8 Ng1 30.Qh7 Ke8 31.Bg6 Kd8 32.Qg8+/- Kc7 33.Bh5 Qh4 34.Qg7 Kb8 35.Qg6 Kc7 36.Qg7 Kb8 37.Qf8 Kc7= 38.Qf7 Bd7 39.Kc1 Qc4 40.Qe7 Qf1 41.Bd1 Qf2 42.Bf6 Qf4 43.Kb1 Qb4 ½–½. Trubetskoi,Roland (2340) – Geissler,Walter (2315), WS/MN/021 ICCF, 2007.

5.d4 g6 6.Bc4 Bg7 (6...b5 7.d5 bc4 8.dc6-/+) 7.c3 (7.Ra3 Na5 8.Bf1 d5 9.Bb5 Nc6 10.ed5 Qd5=) 7...Nh6 (7...Na5 8.Ba2+=) 8.h3 (8.Na3 b6=) 8...0-0 (8...Na5 9.Bd3=) 9.Be3 Kh8 10.Qd2 (10.Ra3 f5 11.Ng5 fe4=) 10...Ng8 (10...Na5 11.Ba2 Qb6 12.Na3+=) 11.Na3 d6 12.0-0 (12.Ng5 e6+=) 12...Nf6 (12...Na5 13.Qa2 Nf6 14.Bf7 Ne4 15.Nb1=) 13.Bd3 (13.Ng5 d5 14.Bd5 Nd5 15.ed5 Qd5+=) 13...d5 (13...Bd7 14.Rfb1 Qc8 15.Qb2+=) 14.e5 Ng8 (14...Ne8 15.Qb2=) 15.Nh2 (15.Nc2 Na5 16.Ra4 f6+=) 15...f6 16.f4 (16.ef6 Bf6 17.Nc2 a5+=) 16...Bf5 (16...a5 17.Rab1=) 17.Bf5= gf5 18.Nf3 (18.Rf3 Na5 19.Ra2 a6=) 18...Na5 19.Qd3 (19.Rfb1 a6+=) 19...e6 20.Rfb1 (20.Nd2 Rf7+=) 20...Rf7 (20...b6 21.Rb2=) 21.Bf2 Ne7 22.Kh1 Ng6 23.g3 a6 24.c4 dc4 25.Nc4 Nc4 26.Qc4 Nf8 27.Rd1 Rc7 28.Qb3 Rd7 29.Be1 b5 30.Bb4 Rd5 31.Rdc1 fe5 32.fe5 Bh6 33.Rc6= Qd7 34.Raa6 Ra6 35.Ra6 Qb7 36.Bf8!? Bf8 37.Re6 Rd4 38.Rf6 Bg7 39.Rf5+/- Qe4 40.Rf4 Qd5 41.Qd5 Rd5 42.e6 Rd8 43.Rb4 Rb8 44.e7 Bf6 45.Rb5 Re8 46.Rf5 Kg7 47.g4 Re7 48.Kg2 Rb7 49.Rc5 Be7 50.Rc6 Bf6 51.g5 Bb2 52.h4 Ba1 53.Kg3 Bb2 54.h5 Ra7 55.Nd2 Be5 56.Kg4 Bb2 57.Ne4 Ba1 58.Nc5 Kf7 59.Ne4 Ra4? 60.Kf4+/- Bb2 61.Rc7 Ke6 62.Rh7+- Be5 63.Kf3 Ra3 64.Ke2 Kf5= 65.Nd2 Kg5 66.Nf3 Kf6 67.Rb7 Ra2 68.Kf1 Ra1 69.Kg2 Ra2 70.Kh3 Ra3 ½–½. Vavruska,Antonin (2155) – Kubos,Rostislav (2175), MOR–chT, 2003. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.d4 g6 6.d5 Na5 =.

4.Nf3 d6

5.Na3 e6 6.Bb2 Nf6 7.Bb5 Nbd7 8.Nc4 Be7 9.Bf6= gf6 10.Nd4 0-0 11.Ra3 Kh8 12.Qh5 Rg8 13.Qf7 Qf8 14.Qf8 Nf8 15.Nb6 d5 16.Ra4 Rb8 17.Nc8 Rc8 18.ed5 ed5 19.Nf5 Ng6 20.Kd1 Bc5 21.d4 Bb6 22.h4 a6 23.Be2 Rc7 24.Bf3 Rgc8 25.h5 Nf4?? 26.Rh4+- Rc2 27.Rf4 ½–½. Planinec,Albin – Parma,Bruno, Novi Sad, 1965.

5.Nc3 Nf6 6.Ba3 Nc6 7.d4 e6 8.Bd3 Be7 9.0-0 0-0 10.Qe2 Bd7 11.Rab1 (11.e5 de5 12.Be7 Qe7 13.de5 Nd5=) 11...Qc8+= 12.Nb5 Qb8 13.c4 a6 14.Nc3 Re8 15.Bc2 (15.e5 de5 16.Be7 A) worse is 16...Ne7 17.de5 (worse is 17.Qe5 Bc6-/+; worse is 17.Ne5 Bc6+=) 17...Nh5 18.Ng5+/-; B) 16...Re7 17.de5 Ng4=) 15...Qc7 16.Na4 Rab8 (16...b5!? 17.e5 de5 18.Be7 Re7 (worse is 18...ba4 19.Bf6 gf6 20.de5 Ne5 21.Ne5 fe5 22.Qg4 Kh8 23.Qh4=) 19.de5 Ne5 (19...ba4?! 20.ef6 gf6 21.Qe4=) 20.Ne5 ba4-/+) 17.Nb6= h6 18.Qd3 e5 (18...g6 19.e5 de5 20.de5+/-) 19.Nd5+/- (worse is 19.Nd7 Nd7 20.d5 Na5+=) 19...Qd8? (19...Nd5 20.ed5 e4 21.Qe4 f5=) 20.Ne7+- Ne7 21.Bd6 Bc6 22.Be5 Be4 23.Qe2 Bf3 24.Qf3 (worse is 24.gf3 Nc6 25.Qe3 Nd7-/+) 24...Nc6 25.Bb8 Qb8 26.Rfd1 Qd6 27.c5 (27.Rb7?! Nd4 28.Qd3 Ne2 29.Kh1 Qc6+-) 27...Qe7 28.g3 Nb4?? (28...Rd8 29.Qf4+-) 29.Bb3 (better is 29.Rb4 b5 30.Ra1+-) 29...Rd8 (29...a5 30.Ra1 Qc7 31.Qf5+-) 30.Re1 Qc7 31.Rbd1 b5 32.cb6! Qb6 33.d5 Rd6 34.Re3 Qb5 35.Rc3 Qb7 36.Qf5 g6 37.Qf4 Nbd5? 38.Qd6 Nc3 39.Qf6 Nd1 40.Qg6 Kf8 41.Qh6 Ke7 42.Qg5 Kf8 43.Qd8 Kg7 44.Qd4 f6 45.Qg4 Kh6 46.Qd1 1–0. Hartnack – Castaldo Arcanselo, corr, 1992. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.d4 e6 6.Bd3 Nc6 7.0-0 Be7 8.d5 Ne5 9.Ne5 de5 10.Na3 ed5 11.ed5 f5 (11...Nf6 12.Re1=+) 12.Bb5 (12.Nb5 e4 13.d6 Bf6 14.Nc7 Kf8+-) 12...Kf8 (better 12...Bd7!?=) 13.Nc4+- e4 (13...a6 14.Ne5 Nf6+-) 14.d6 (better 14.Be3!? Bd6 15.Ba7+- (15.Ra7?! Ra7 16.Ba7 Nf6+-; worse 15.Nd6 Qd6 16.Ba7 Kf7+-)) 14...Bf6= 15.d7 (better 15.Ra4 Be6 16.Be3=) 15...Ba1?? (15...Bd7 16.Ba3 Ne7 17.Qd7 Qd7 18.Bd7 Ba1 19.Ra1 g6+-) 16.Ba3+- Ne7 (16...Kf7 17.Qa1 Bd7 18.Ne5 Kf6 19.Nd7 Kg6 20.Ne5 Kf6 21.Nc6 Kg6 22.Nd8 Rd8+-) 17.Be7 (17.dc8B?! Qd1 18.Rd1 Rc8 19.Ra1 a6+=; 17.dc8R Qc8 18.Qa1 Qe6+-) 17...Ke7 (17...Qe7 18.d8Q Qd8 19.Qd8 Kf7 20.Qh8 Bc3 21.Qe8 Kf6 22.Qd8 Ke6 23.Be8 f4 24.Qd6 Kf5 25.Ne3 Kg5 26.h4 Kh4 27.Qf4 Bg4 28.Qg4) 18.Qd6 (18.dc8N?! Rc8 19.Qa1 Kf8+-; 18.dc8Q Rc8 19.Qa1 Kf8+-) 18...Kf7 19.Ra1 (19.Ne5 Be5 20.Bc4) 19...g6? (19...Rf8 20.Ne5 Kg8 21.Bc4 Rf7 22.Bf7 Kh8 23.Ng6 hg6 24.Qg3 Qg5 25.Qg5 Bd7 26.Qh4) 20.Qe5 (20.dc8R?! Rc8 (20...Qc8?? 21.Ne5 Kg7 22.Qe7 Kh6 23.Ra3+-) 21.Qe5 Qf6 22.Nd6 Kg7 23.Qf6 Kf6 24.Nc8 Rc8 25.Ra7 Rc2 26.Rb7 Rc1 27.Bf1 f4+-) 20...g5 (20...Bd7 21.Nd6 Kf8 22.Nb7 Qe8 23.Qh8 Ke7 24.Qh7 Qf7 25.Qf7 Kf7 26.Bd7 Ke7+-) 21.Nd6 Kg6 22.Qf5 (22.Qf5 Kh6 23.Qe6 Qf6 24.Qf6 Kh5 25.Be2 g4 26.Ra5 b5 27.Rb5) 1–0. Krasnokutskaya,Sofiya (1905) – Ischenko,Iryna (1700), Ukraine Chess Championship G16, 2016.

5.d4 Nf6 6.Nc3 e6 7.Bd3 Be7 8.0-0 Nc6 9.Ba3 0-0 10.Qe2 e5 11.d5 Na5 12.Nd2 (12.Bb4 b6=) 12...b6+= 13.Ra2 Bd7 14.Rfa1 Qb8 (14...Nb7 15.Ba6 Qb8 16.Qf3+=) 15.h3 Rc8 16.Nd1 Ne8 (16...Nb7 17.Ba6 Rc7 18.Bb5+=) 17.Ne3 Bg5 18.Rf1 Nb7 19.Nf3 Be3 20.Qe3 Nc5 21.Nh2 Nd3 22.cd3 a5 23.f4 b5 24.fe5 de5 25.Raf2 f6 26.Bb2 (26.Bc5 Nd6-/+) 26...a4-+ 27.Qg3 a3 (better is 27...Qb6!? 28.d4 Nd6-/+) 28.Be5+= Qb6 (28...Qe5?? 29.Qe5 Rcb8 30.Qe7+-) 29.Kh1 b4 30.Nf3 (better is 30.Ng4 Bg4 31.Qg4-/+) 30...b3-+ (30...fe5 31.Ne5 Nd6 32.Nd7+=) 31.Bd4 Qb8 32.e5 (32.Kh2 b2 33.Bb2 ab2-+) 32...b2 33.Kh2 Rc1 34.Nd2 (34.ef6 Nf6! 35.Be5 Rf1 36.Rf1 a2 37.Bb8 b1Q 38.Rb1 ab1Q-+) 34...Rf1 35.Rf1 a2 36.ef6 Nf6! 37.d6 Ng4 38.hg4+/- a1Q?? 39.Qe5+- Qf8 40.Rf8 Kf8 1–0. Hug,Werner (2435) – Baramidze,David (2590), Biel MTO op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.d4 Nf6 6.Nc3 g6 7.Ba3 Bg7 8.Bd3 Nbd7 9.0-0 0-0 10.e5 Ne8 11.Re1 de5?? 12.Ne5?? Ne5=+ 13.de5 a6 14.Qf3 Be6 15.Qb7+/- Rc8? 16.Be7+- Rc7 17.Bd8 Rb7 18.Ba6 Rb8? 19.Be7 1–0. gbsr (1885) – gregorgysi (2105), net–chess.com, 2009.

4.Nf3 g6

5.Na3 b6 +=.

5.Na3 d6 6.d4 Bg7 7.Bd3 Nf6 8.0-0 0-0 9.c3 Bg4 10.Be3 Nc6 11.c4 (11.h3 Bd7=) 11...a6 (11...Nb4 12.Bb1+=) 12.Nc2 (12.h3 Bd7=) 12...Rc8 13.h3 Bf3 14.gf3 (14.Qf3!? Qc7 15.Rfb1=) 14...Nh5 15.f4 e5 16.fe5 de5 17.d5 Nd4 18.Nd4 ed4 19.Bd2 Qh4 20.Qg4 Bf6 (better is 20...Qg4!? 21.hg4 Nf6=) 21.f4 (21.Rfb1 Rb8+/-) 21...Rfe8 (21...Qg3!? 22.Qg3 Ng3+/-) 22.e5+- Be7 (22...Qg4 23.hg4 Nf4 24.Bf4 Be5 25.Be5 Re5 26.Rf4+-) 23.Kg2 (23.d6 Qg3 24.Qg3 Ng3+-) 23...Ng7 (23...f5 24.Qh4 Bh4 25.Rfb1+/-) 24.Qh4 (24.d6!? Qg4 25.hg4 Rc6+-) 24...Bh4+/- 25.Rfb1 Rb8 26.Rb3 Rec8 (26...Nh5!?+/-) 27.Rab1+- Rc7 28.d6 (28.Rb6 Nf5+-) 28...Rd7+/- 29.c5 Ne6?? (better is 29...Rc8+/-) 30.c6!+- 1–0. Humeau,Cyril (2200) – Ferreira,Antonio Viriato (1870), Bastia CC Winter op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.Bc4 Bg7 6.Ra3 Nc6 7.0-0 d6 8.d4 Nf6 9.Qe2 Bg4 10.Bb2 0-0 11.Nbd2 d5 12.ed5 Nd5 13.h3 Be6 14.Ba2 Nc7 (14...Bd4 15.Nd4 Nf4 16.Qe4 Nd4 17.Re1 Ba2 18.Qf4 Nc2 19.Ra2 Ne1 20.Qe5-/+) 15.c4+= Nb4 (worse is 15...Bd4 16.Nd4 Nd4 17.Qe5+-; worse is 15...Nd4 16.Bd4 Bd4 17.Rd3 Bf2 18.Rf2+/-) 16.Bb1 a5 17.Ne4 Bf5 18.g4 (18.Bc3 Nca6+=) 18...Be4 19.Be4 Ne6 20.Qe3 Qc7 21.Rc1 Rad8 22.Ba1 b6 23.d5 Nc5 24.Bg7 Kg7 25.Bb1 (25.Rd1!?-/+) 25...e6-+ 26.Qc3 Kg8 27.Qe3 (better is 27.de6 Ne6 28.Qe5-+) 27...ed5 28.Qh6 (28.Qc3 Ne6 29.cd5 Qc3 30.Rcc3 Nf4-+) 28...d4 (28...dc4 29.Kg2 Ne6 30.Ng5 Ng5 31.Qg5-+) 29.Nh4 (29.Re1 Rfe8-+) 29...d3 30.Nf5 Ne6 (30...gf5?! 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5 Kh8 34.Qf6 Kg8 35.Qg5=) 31.Ne3 Qf4 32.Qf4 Nf4 33.Kh2 Rc8 34.Rd1 Rfd8 35.g5 (35.Kg3 g5-+) 35...Rd4 36.Rd2 Ne6 37.Nd5 Rcc4 38.Nb6 Rc6 0–1. Hug,Werner (2450) – Anand,Viswanathan (2785), Zuerich Champions rap rapid, 2009. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3 g6)

5.Bc4 Bg7 6.Ra3 d6 7.h4 (7.d4 Nf6 8.Nbd2 0-0=+) 7...Nf6-/+ 8.Ng5 e6 9.h5 (9.Bb2 0-0-/+) 9...h6 10.Nf7 (better 10.Nf3!? Nh5 11.d4-/+) 10...Kf7-+ 11.hg6 Ke8 (11...Kg6 12.Rg3 Kf7 13.Nc3-+) 12.Bb2 Nc6 13.f4 White plans e5 13...Qe7 14.e5 (14.Qe2-+) 14...de5 15.fe5 (15.Be5 Ne5 16.fe5 Nd7-+) 15...Nd5 (15...Nd7 16.Bb5-+) 16.Rf3 (16.Qe2 Qg5 17.d4 Nf4-+) 16...Be5 17.Be5 Ne5 18.Bb5 Bd7 19.Bd7 Kd7 20.Rb3 b6 21.d4 Ng6 22.c4 Nc7 23.0-0 Raf8 24.Rg3 Rf1 25.Kf1 Rf8 26.Kg1 Nf4 27.Nc3 Kc8 28.Ne4 Qd7 29.Kh2 Rd8 (better 29...e5 30.d5-+) 30.Qf3 Qf7 (30...Ng2!? 31.Qg2 Qd4 32.Rg4-+) 31.Rg4 Qh5 32.Kg3? (32.Kg1 Rd4 33.Qf4 Ne8-+) 32...Ng6 (better 32...e5 33.Nf6 Qh1 34.de5 Nh5 35.Nh5 Qh5 36.Re4 Qg5 37.Kh2-+) 33.Nf6 Qf5 34.Qf5 ef5 35.Rg6 Rd4 36.c5 (36.Rh6 Rc4 37.Nh5 Nd5-+) 36...bc5 37.Rh6 c4 38.Rh8 (38.Rh5 f4 39.Kf3 Ne6-+) 38...Kb7 39.Kf2 (39.Rh5 f4 40.Kf3-+) 39...c3 40.Rh1 a5 (40...Rd2!? 41.Ke3 Rg2 42.Kf4 Rf2 43.Ke3-+) 41.Rc1 Nb5 42.Ke3 Rd6 43.Nh5 Kc6 (43...Rg6 44.Nf4 Rg4 45.Ra1-+) 44.Ng3 Kc5 (44...Rd5 45.Ne2 Rc5 46.Kd3-+) 45.Nf5 Rg6 46.Kf3 (46.Ra1-+) 46...Nd4 47.Nd4 Kd4 48.g4 Kd3 49.Rd1 Kc4 (better 49...Kc2 50.Rd8 Rb6-+) 50.Ra1 (50.Rd8-+) 50...c2 51.Kf4 (51.Ke3 Kc3 52.Kf4 Kb2-+) 51...Kb3 52.Kf5 Rg8 53.g5 Kb2 54.Ra5 (54.Rg1-+) 54...c1Q 55.g6 Qc2 (55...Rf8 56.Ke6 Qc6 57.Ke5 Qf6 58.Kd5 Rd8 59.Ke4 Rd4 60.Ke3 Qf4 61.Ke2 Rd2 62.Ke1 Qf2) 56.Kf4 Qd2 57.Kf3 (57.Ke4 Qb4 58.Kf3 Rf8 59.Ke3 Qf4 60.Kd3 Rd8 61.Rd5 Rd5 62.Ke2 Rd2 63.Ke1 Qf2) 0-1. Shirazi,K (2350) - Moussard,J (2575), Clichy Rapid, 2019. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3)

5.Bc4 Bg7 6.c3 Nc6 7.0-0 d6 8.Qb3 Nh6 9.d4 0-0 10.Qa3 Kh8 11.Qa2 f5 12.Ng5 fe4 13.Be6 Qe8 14.Bc8 (14.Re1 b5=) 14...Rc8 (14...Qc8 15.Re1+=) 15.Ne6 Qf7 (better is 15...Rf5!? 16.d5 Nd8 17.Ng7 Kg7 18.Bh6 Kh6 19.Qd2 g5+=) 16.Nf8+/- Rf8 17.Qf7 Rf7 (better is 17...Nf7!? 18.d5 Nb4+/-) 18.d5+- Ne5 19.Ra7 Nd3 20.Nd2?? (better is 20.Rb7 Nf5 21.Be3+-) 20...e3= 21.fe3 (21.Rb7? e2 (21...ed2?! 22.Rb8 Rf8 23.Rf8 Bf8 24.Bd2=; 21...ef2?! 22.Kh1-/+; 21...Nc1?! 22.fe3 Ne2 23.Kh1 Rf1 24.Nf1-/+) 22.Rb1 Ng4 23.Rb8 Rf8 24.Rf8 Bf8-+) 21...Rf1 22.Kf1 ½–½. Suhail,Abdurahim (2240) – Suhail,T, President's Cup, 1995. (=1.e4 c5 2.b4 cb4 3.a3 ba3 4.Nf3 g6)

5.d4 Bg7 6.Ra3 d6 7.Bc4 Nf6 8.Nbd2 0-0 9.0-0 d5 10.ed5 Nd5 11.Ne4 Nc6 12.c3 h6 13.Re1 e6 14.Nc5 b6 15.Nd3 Bb7 16.Nf4 Na5 17.Bf1 Qc7 18.Nd5 Bd5 19.Ne5 Nc4 20.Bc4 Bc4 21.Bf4 Qc8 22.Qd2 Kh7 23.Ng4 h5 24.Ne5 Bd5 25.Re3 Qb7 26.Rg3 Be4 (26...Rfc8 27.Qd3-/+) 27.Nc4 Rad8 28.Nd6 (28.Qe2!? Bd5 29.Ne3+=) 28...Qe7-/+ 29.Nb5 Rd7 30.Ra1 Bc6 31.Qe2 a5 32.Bg5 Bf6 33.Bc1 (33.Bf6!? Qf6 34.Na3+=) 33...Rc8 34.Ba3 Qd8 35.Rb1 Rd5 (35...e5!? 36.Bb2-+ (worse is 36.de5 Be5 37.Re3 Bf4-+)) 36.Na7-/+ Rc7 37.Nc6 Rc6 38.Qf3 (38.Bb2 Qc7-/+) 38...Rc7 (38...e5 39.Bb2-+) 39.Qe4 Rg5 (39...h4 40.Rf3-/+) 40.Rf3 Rf5 41.Rf5 ef5 42.Qe2? (better is 42.Qe3+=) 42...Rc3-+ 43.Qb2?? (better is 43.Bb2 Rc7 44.Qd2-+) 43...Qd4 44.g3 Rd3 (44...Rd3 45.Qd4 Bd4-+ (45...Rd4?! 46.Rb6 Kg7 47.Bb2 Rd1 48.Kg2 Bb2 49.Rb2-+)) 0–1. Klimov,Valery (1920) – Koroljkov,Evgeny (2110), Novosibirsk April op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

5.Be2 d6!? -/+.

5.Be2 Bg7 6.Ra3 d6 7.0-0 (7.d4 a6+=) 7...Nf6 (7...Bd7 8.c3+=) 8.Bb2 (8.d3 b5-/+) 8...0-0 (8...a5 9.Ba1-/+) 9.d3 (9.Bf6 ef6 10.d4 a5-/+) 9...Nc6 (9...b5 10.Rb3 a6 11.c4+=) 10.Nc3 (10.h3 Qb6 11.Rb3 Qc7-/+) 10...a6 (10...Bg4 11.Nd2 Bd7 12.Rb3-/+) 11.Qa1 (11.h3 e5-/+) 11...e5 (11...Be6 12.Ng5-/+) 12.h3 (12.Bc1 Nd4 13.Qb1 Qc7-/+) 12...Rb8 13.Bc1 b5 14.Rb3 (14.Nd1 d5 15.Ne5 Ne5 16.Qe5 Bb7-/+) 14...Be6 (14...b4 15.Na4-/+) 15.Rb1 Qc8 16.Bd2 b4 (16...Nh5 17.Ng5 Nf4 18.Ne6 Ne6 19.Bg4+=) 17.Nd1 (17.Na4 Bh3 18.gh3 Qh3-/+) 17...d5 (17...a5 18.Be3-/+) 18.Ne5 (better is 18.Be3!?-/+) 18...Ne5-+ 19.Bb4 (19.Qe5 Ne4 20.Qf4 Qc2 21.Bb4 Qe2 (21...Qb1?! 22.Bf8 Ng3 23.Qg3 Rf8 24.Ne3-/+) 22.de4 Qe4 23.Qe4 de4-+) 19...Rb4! (19...Qc2?! 20.Rb2 Qc6 21.Bf8 Rf8 22.Ne3-/+) 20.Rb4 (20.Rb4 Qc5) 20...Nc6 21.Ra4 Ne4 22.Qc1 (22.c3 Nc5 23.Ra3 d4-+) 22...Nc5 23.Ra3 (23.Ra2 Nd4 24.Re1 Bh3-+) 23...Nd4 24.Nc3 Ncb3 25.Qd1 (25.cb3 Qc3!! Decoy: c3 26.Ra2 (26.Qc3?? Ne2 27.Kh1 Bc3-+) 26...Qb3 27.Qb1-+) 25...Qc3 26.cb3 Qb2 (26...Qb2 27.Ra6 Ne2 28.Kh1 Rb8-+) 0–1. Malezkey,Vladimir (2045) – Mikhel,Vladislav (2280), RUS–ch sf Novosibirsk, 2002. (=1.e4 c5 2.b4 cb4 3.a3 ba3)

3.a3 Qa5

4.Bb2 ba3 5.Ba3 Qe5 (5...e6!?=) 6.Nc3+= Nf6 (6...Nc6!?+=) 7.Nf3+- Qc7 (7...Qh5 8.e5 Ng4 9.d4+-) 8.e5 Ng4 9.Qe2 (better 9.Nd5!? Qd8 10.Nd4+-) 9...Nc6+= e5 draws heavy fire 10.Nd5 Qb8 11.d4 e6 12.Bf8 Kf8 13.Nc3 d6 14.h3 Nd4? (better 14...Nh6+=) 15.Nd4+- Ne5 16.Qe3 a6 17.Be2 Qc7 (17...Ng6 18.Nf3+-) 18.0-0 Bd7 19.Rfb1 (19.Ne4 Kg8 20.Ra3 d5+-) 19...Rc8 20.Ne4 d5 (20...Nc6 21.Bh5 Be8 22.c3+-) 21.Ng5 (better 21.Qa3!? Kg8 22.Nd6 Rb8+-) 21...h6 22.Ngf3 Nc4? (better 22...f6+-) 23.Bc4 Qc4 (23...dc4 24.Qe4 Rb8 25.Ra3+-) 24.Ne5 (better 24.Rb7 Rc7 25.Rb8 Bc8 26.Ne5+-) 24...Qc7 25.Qf4 (25.Rb3 Kg8+-) 25...Bc6 (25...f6 26.Nd7 Qd7+-) 26.Ne6 (26.Ne6 Kg8 27.Nc7 Rc7 28.Nc6 Rc6 29.Rb7+-) 1–0. Martinez,Julian (2275) – Valdeblanquez,Jeiner Jair (1930), IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

4.Bb2 Qa4 5.c3 Qd1-/+ 6.Kd1 ba3 7.Na3=+ a6 8.Nf3 b5 9.d4 Bb7-/+ 10.Bd3 Nf6 11.Ke2 Nh5 12.c4 b4 13.Nc2 b3 14.Nb4? e6-+ 15.d5? ed5 16.cd5?? a5 17.Bb5 Nf4 18.Kf1 Bb4 19.Bg7 Rg8 20.Be5 Ng2 21.Rg1 Rf8 22.Rg2-/+ f6 23.Bd6?? Bd6-+ 24.Rg7 Bb4 25.Rh7 Ba6 26.Ba6 Ra6 27.Nd4 Bc3 28.Rd1 Rf7 29.Rh8= Rf8 30.Rf8?? Kf8-+ 31.Nb3 a4 32.Nc5 Ra7 33.Rd3 Be5 34.h4 d6 35.Ne6 Ke8 36.f4=+ Bb2 37.Rd2 Bc1 38.Ra2?? Nd7-/+ 39.h5 Nb6 40.h6 Kf7?? 41.h7 Ra8 42.Rh2 Rh8-+ 43.Kf2 Kg6?? 44.f5 Kf7-/+ 45.Kf3 a3 46.Kg4?? Nc4 47.Nf4 Ne3 48.Kf3 Nf1 49.Ra2?? Nd2 50.Kg4 Rh7 51.Nd3 Nb3 52.Nc1-/+ Nc1 53.Ra3 Rg7 54.Kf3 Rg1 55.Ra7 Kf8 56.Rd7 Rf1 57.Ke3 Ke8 58.Rd6= Ke7 59.Rc6 Nb3 60.Ra6? Nc5 61.Ra7 Kd6 62.Kd4?? Nb3 (62...Nb3 63.Kc4 Nd2 64.Kd3 Ne4 65.Ke4 Re1 66.Kd4 Rd1 67.Ke3 Ke5=) 0–1. burrango (1970) – zeca (1795), net–chess.com, 2010.

4.Bb2 d6 5.ab4? Qb4-+ 6.Ba3 Qe4 7.Ne2 Nf6 8.Nbc3 Qg6 9.g3 Bd7 10.Bg2 Bc6 11.0-0 e6 12.Bc6 Nc6 13.Rb1 b6 14.Nf4 Qf5 15.Qf3 Rc8 16.Kg2 Be7 17.Rb5 Qc2 18.Rc1-/+ Qd2 19.Nb1 Qa2 20.Rc6= 0-0 21.Bd6 Bd6 22.Rd6= Rc1 23.Qb3?? Qa6?? 24.Nd3 Rc7 25.Rd4 Nd5 26.Nf4 Nf6 27.Nd2 Rfc8 28.Rc4 Rc4 29.Nc4 Ne4 30.f3 Nc5 31.Qb1 Na4 32.Qb4 Nc3=+ 33.Nd6 Rd8?? 34.Re5?? Na2 35.Qe4+= Nc3 36.Qb7?? Qa2?? 37.Kh3+- Rf8 38.Qc6 Qa1? 39.Qc4?? Nd1+/- 40.Re2 Nb2? 41.Qd4+- Qf1 42.Kg4 e5?? 43.Qe5+- Na4 44.Nh5 (44.Nh5 f5 45.Nf5 Qa1 46.Qa1 Rf6 47.Nf6 gf6 48.Qf6 h5 49.Kh5 a5 50.Qg7) 1–0. rthurc (2250) – gstevenson (2235), net–chess.com, 2009.

4.Bb2 e6 5.ab4 Qb4-/+ 6.Bc3 Qb6 7.d4 Bb4 8.Nf3 Bc3 9.Nc3= Qb4 10.Qd2+= Nc6 11.Nb5 Qd2 12.Kd2+/- Kd8 13.Nd6 Nh6= 14.d5 Ke7 15.Nc8+/- Rhc8 16.dc6 dc6 17.h3 f6 18.Ke3 Nf7 19.Bd3+- a5 20.Rhb1 b5+/- 21.Rb2 e5+- 22.Rba2 a4+= 23.c4 Nd6 24.cb5 cb5= 25.Rb1 Rc3 26.Kd2 Rc5 27.Ne1 b4?? 28.Rab2?? b3 =+. giveaway (2400) – lopesq (2340), net–chess.com, 2008.

4.c3 bc3 5.Nc3 Nc6 6.Nf3 Nf6 7.Nb5? (7.Rb1 a6=+) 7...a6 (7...Ne4!? 8.Bb2 d5-+) 8.Nc3-/+ e6 (8...e5 9.Qb3 Bc5 10.Bc4-/+) 9.Bb2 Be7 (9...d5 10.e5 Nd7 11.d4-/+) 10.Bd3 0-0 (10...d5 11.e5 Ng4 12.Qa4 Qa4 13.Na4-/+) 11.0-0 b5 (11...d5 12.e5 Nd7 13.Ne2-/+) 12.e5 Ng4 13.Ne4 Qc7 Pawn e5, live or die! (better 13...Bb7=+) 14.Nd6? (14.Qc2 f5 15.ef6 gf6=+) 14...Bd6 (14...Nge5!? 15.Ne5 Qd6 16.Be4-+) 15.ed6-/+ Qd6 16.Bh7 Kh8 (16...Kh7 17.Ng5 Kg8 18.Qg4-/+) 17.h3 (17.Be4 Bb7 18.h3 Nh6=+) 17...Nf6 (17...Kh7 18.Ng5 Kg8 19.Qg4-/+) 18.Bb1 Qe7 (18...Qf4=+) 19.g4 (19.Qc2 g6+=) 19...e5 (better 19...Nd5!?-/+) 20.Re1= d6 21.d4 (21.Qc2 Qd7 22.g5 Qh3 23.Qc6 Bd7-+) 21...e4 (21...Bb7!?=) 22.d5+= Ne5 23.Ne5 de5 24.Bc1 (24.d6!? Qe6 25.g5 Qh3 26.Re3 (26.gf6 gf6 27.Re3 Rg8 28.Rg3 Rg3 29.fg3 Qg3 30.Kf1 Bh3 31.Ke2 Bg4 32.Kd2 Qf4 33.Kc2 Bd1 34.Kd1 Qf1 35.Kd2 Qf2 36.Kc3 Qd4 37.Kc2 Rc8 38.Bc3 Rc3 39.Kb2 Qd2 40.Bc2 Qc2; 26.Be5 Bg4 27.Ba2 Bf3 28.Qf3 ef3 29.Bf6 Qg2) 26...Qg4 27.Qg4 Ng4 28.Rh3 Kg8 29.Be4+=) 24...Qd6 Attacks the isolani on d5 (24...Bb7 25.Bg5=+ (worse 25.Be4 Ne4 26.Re4 Rfd8-/+)) 25.g5= Qd5 (25...Nd7 26.Bd2 Qg6 (26...Qd5?? 27.Be4 Qe4 28.Re4+-) 27.Re4 f5 28.Rh4 Kg8=) 26.gf6 (26.Qe2 Qc4 27.Qc4 bc4 28.gf6 gf6 29.Re4 Kg7 30.Rc4 Bh3+-) 26...Qd1+- 27.fg7 (27.fg7 Kg7 28.Rd1 Bh3 29.Be4+-) 1–0. Fusari,Paolo (1905) – Nicosia,Federico (1800), 7th Florence op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

4.d4 e5 5.d5 f5 6.Bd2 (6.ef5 Nf6+=) 6...Nf6-/+ 7.Bd3 (better is 7.ef5!? Qd5 8.Qe2-/+) 7...fe4-+ (worse is 7...Ne4 8.Be4 fe4 9.Qh5 Kd8 10.Qe5+=) 8.Be4? (better is 8.Bc4-+) 8...Ne4 9.Qh5 Kd8 10.Qe5 Bd6 11.Qe4 Re8 12.Bg5 Be7 13.Be7 Re7 14.Qe7 Ke7 15.d6 Kd6 16.Ne2 Qe5 17.c3 b6 18.ab4 Bb7 19.Nd2 Ba6 20.Ra6 Kc7 21.Ra2? Nc6 22.Nf3-/+ Qe6 23.Rd2 a5 24.b5 Ne5 25.Nfd4 Qh6 26.Nf5 Qg5 27.Ne3-/+ Qg6 28.c4 Qb1 29.Rd1 Qb4 30.Kf1 Kb7 31.f4 Rf8 32.g3 Nc4-+ 33.Rd7 Kb8 34.Kf2?? Ne3 35.Ke3 Re8 36.Kf2 Qb5 37.Rd2 Qc5 38.Nd4 Kb7 39.Rhd1 Rd8 40.Ke1 a4 41.Ne6 Qe3 (41...Qe3 42.Kf1 Rd2 (42...Qe6?! 43.Rd8 Kc7 44.R8d4-+) 43.Rd2 Qd2-+) 0–1. Henrio,Patrice (1690) – Nemety,Laszlo (2150), Pays de Loire–chT, 2009. (=1.e4 c5 2.b4 cb4+= 3.a3 Qa5)

4.Nf3 e6 5.d4 Nf6 6.e5 Ne4=+ 7.Bd3 ba3 8.Nbd2 Nc3 9.Nc4 Nd1 10.Na5 Nb2 11.Be2 b6 12.Nb3 Ba6 13.Nfd2 Be2 14.Ke2 d5 15.ed6 Bd6 16.Ra2 Nc6 17.Bb2 ab2 18.Rb2 Bb4 19.Kd3 Bd2 20.Nd2-/+ 0-0-0 21.c3 e5 22.Nf3 ed4 23.cd4 Rd5 24.Rc1 Kb7 25.Rc4 Rhd8 26.Rbc2 R8d6 27.Ke4 f5 28.Ke3 b5 29.Rc5 Nd4 30.Nd4-/+ Rd4 31.Rb5= Ka6 32.Rf5 R4d5 33.Ra2 Kb6 34.Rb2 Kc6 35.Rc2 Kb6 36.Rb2 Kc6 37.Rc2 Kb5 38.Rd5 Rd5 39.Rc7 Rg5 40.Ra7 Rg2 41.Rf7 Kc6 42.Kf3 Rg6 43.Ke2 Kd5 44.Rf3 Rh6 45.h3 g5 46.Kf1 Ke4 47.Kg2 ½–½. De Wit,William – Bertholee,Rob (2355), Haarlem op (2), 1996.

4.Bb2 Nc6

5.Bc4 Nf6 6.Qe2 e6 7.e5 Nd5 8.Nh3 h6 9.0-0 Bc5 10.Qg4 Bf8 11.Qe2 ba3 12.Na3 Qb6 (12...Qb4 13.Rfb1 Nc7 14.Bc3=) 13.Rfb1 Qc5 14.Nb5 Kd8 (14...Nb6 15.Nc7 Kd8 16.Na8 Nc4 17.d4+/-) 15.Ba3 Ndb4 16.Rb4! Nb4 (16...Qe5!? 17.Rbb1 Qe2 18.Be2 d5+/-) 17.c3+- (17.c3 Qb6 18.Bb4 (18.cb4?! a6 19.Nc3 Qd4+/-) 18...Bb4 19.cb4+-) 1–0. Neumann,Ulrich – Cherner,Lyle, IECG, 2000. (=1.e4 c5 2.b4 cb4+= 3.a3 Qa5 4.Bb2 Nc6)

5.e5 Qb6 A) 6.Bc4 f6 (6...ba3 7.Bc3 e6 8.Nf3 d5 9.ed6 Nf6 10.Na3 Bd6 11.Bf6 gf6+=) 7.Nf3 ba3 8.ef6 Nf6 9.Bf6 gf6 10.Na3 e6 11.0-0 d5-/+; B) 6.Nf3 d5 (6...d6 7.ed6 ed6 8.Bc4 Nge7 9.Bb3 Be6 10.0-0 ba3 11.Na3 a5=) 7.ed6 ed6 8.Bc4 Nge7 9.0-0 ba3 10.Ba3 d5 11.Bb3 Be6=.

5.e5 d5 6.Nf3 Nh6 (6...Bg4 7.h3 Bf3 8.Qf3 e6 9.Be2 d4 10.Qf4 Rd8 11.ab4 Qb4-/+) 7.Be2 Bf5 8.Nd4 e6 9.Bb5 Qc7 10.Nf5 Nf5 11.0-0 ba3 -/+.

5.e5 d6 A) 6.f4 de5 (6...Bf5 7.ed6 ed6 8.Nf3 Nge7 9.Bc4 d5 10.Bb3 Ng6 11.0-0 Qb6-/+) 7.fe5 Bf5 8.Nf3 e6 9.Be2 Nge7 10.ab4 Qb4 11.Bc3 Qb6-/+; B) 6.ed6 e5 7.ab4 Qb4 8.Nc3 Qd6 9.Nf3 Nf6 10.Nb5 Qe7 11.Bc4 Bg4+=.

5.Nf3 d5 6.ed5 Qd5 7.ab4 Nb4 8.Be2 Bf5 9.Nc3 Qc5 10.d3 Nf6 11.0-0 e6 +=.

5.Nf3 d6 A) 6.d4 d5 (6...Nf6 7.d5 Ne5 8.Nbd2 ba3 9.Ra3 Qc5 10.Ne5 de5 11.Rb3 Qc7=) 7.ed5 Qd5 8.ab4 Qe4 9.Qe2 Qe2 10.Be2 Nb4 11.Na3 Bf5+=; B) 6.c4 e5 (6...bc3 7.Nc3 Nf6 8.Rc1 d5 9.ed5 Nd5 10.Nd5 Qd5 11.Bc4 Qe4+=) 7.ab4 Qb4 8.Ba3 Qb6 9.Nc3 Nf6 10.Be2 Nd4 11.Nd4 Qd4+=; C) 6.Bc4 Nf6 (6...e6 7.Qe2 Nf6 8.ab4 Qb4 9.Bc3 Qb6 10.d4 Qc7 11.0-0 Be7=) 7.Qe2 Bg4 8.Bb5 a6 9.ab4 Qb4 10.Bf6 gf6 11.Nc3 Qc5=.

5.Nf3 e5 6.Bc4 Nf6 (6...Qc7 7.Qe2 Be7 8.ab4 Bb4 9.Nc3 Bc3 10.Bc3 Nf6 11.0-0 d6+=) 7.Ng5 Nd8 8.Qe2 d6 9.f4 Bg4 10.Qd3 ef4 11.Bf6 gf6 +=.

5.Nf3 Nf6 6.Bd3 e6 7.0-0 ba3 8.Na3 Bc5 9.Nc4 Qd8 10.e5 Nd5 11.Ba3 Ndb4 12.Be4 0-0 13.d4 Be7 14.c3 Nd5 15.Be7 Qe7 16.Bd5 ed5 17.Nb6 Rb8 18.Nd5 Qe6 19.Ne3 d5 20.c4! Ne7 21.cd5 Nd5 22.Ra7 b5 23.Ng5 Qc6 24.Qh5 h6 25.Rf7 Be6 26.Qg6 Rf7+/- 27.Nf7 Nf4 28.Nh6+- Kh8 1–0. Feduk,Ir (1805) – Ivanenko,O2 (2065), ch–UKR g18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

5.Nf3 Nf6 6.Bd3 e6 7.0-0 Qh5 8.h3 (8.e5 Nd5 9.Be4 Nf4 10.h3 f5 11.ef6 gf6+= –0.63) 8...a6 (8...d6 9.Re1 Be7 10.ab4 Nb4 11.Be2 Ne4+= –0.66) 9.Qe2 (9.e5 Nd5 10.Be4 b5 11.Re1 ba3+= –0.34) 9...Be7 (9...d6 10.ab4 Nb4 11.Bb5 Bd7+= –0.47) 10.ab4 (10.e5 Nd5 11.Be4 0-0+= –0.44) 10...Nb4 11.Na3 (11.Bf6 Bf6+= –0.47) 11...Nd3 12.Qd3 d5 13.ed5 Qd5 14.Qd5 Nd5 15.Bg7 Rg8 16.Be5 f6 17.Bg3 e5 18.Rfe1 Kf7 19.Nc4 b5 20.Na5 Nb4 21.Rec1 Bf5 22.c4 Nd3 23.Rc3 Bb4 24.Rb3 Rac8 25.cb5 ab5 26.Nb7 Ra8 27.Rab1 Ra4 28.Ne1? Ne1-+ 29.Re1? Rb8 30.Be5 Rb7 31.Rf3 fe5 32.Rf5 Kg6 33.Rfe5 Bd2 34.Rb1 b4 35.Rd5 Bc3 36.Rc5 Ra1 37.Ra1 Ba1 38.Rc1 Bf6 39.Kf1 b3 40.Ke2 b2 41.Rb1 Ra7 (41...Ra7 42.Kd2 Kf5-+) 0–1. Feduk,Iv (1940) – Ivanenko,O2 (2065), ch–UKR g18, Kyiv UKR, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

4.Bb2 Nf6

5.e5 Nd5 6.Bc4 Nc6 7.Nf3 Nb6 8.Bb3 Na4 9.Ba4 Qa4 10.0-0 e6 11.ab4 Qb4 12.Ba3 Qa5 13.Qe2 b6 14.c4 Ba3 15.Na3 Qc5 16.Nb5 0-0 17.Nd6 f6 18.Qe4 f5 (better is 18...fe5!? 19.Ng5 g6+=) 19.Qf4+= Nd8 20.Rfc1 Nf7 21.d4 Qc6 22.d5 Qc5 (worse is 22...ed5 23.Nd4 (worse is 23.Nc8 Rfc8 24.Nd4 Qc5-/+) 23...g5 24.Qd2+/-) 23.Nd4 Nd6 24.ed6 Rf6 25.de6 de6 26.Qf3 Rb8 27.Nc6 Bb7 28.Ne7 Kf8 29.Qa3 Qa3 30.Ra3 e5 31.Ra7 g6 32.Rd1 Ke8 33.h4 Kd7 34.Rb1 Rd6 35.c5 bc5 (better is 35...Re6!? 36.c6 A) 36...Ke7?? 37.Rb7 (37.cb7? Kd7-+) 37...Kf6 38.Rb8 Rc6 39.R1b6 Rb6 40.Rb6 Kg7 41.Rb7 Kh6 42.Rf7+-; B) 36...Rc6 37.Nc6 Kc6 38.Rc1 Kd6=) 36.Rab7+= Rb7 37.Rb7 Kd8 38.Ng8 c4 39.Rb5 Kd7 40.Rc5 Rd4 41.Re5 Kd6 42.Re8 Kc5 43.Rc8 Kb4 44.Ne7 Rd1 45.Kh2 c3 46.Nc6 Ka4 47.Na5 Ka5 ½–½. Lockwood,Austin (2190) – Eldridge,Mark (2260), British Championship, 2009. (=1.e4 c5 2.b4 cb4 3.a3 Qa5)

5.e5 Nd5 6.Nf3 e6 7.ab4 Qc7 (7...Qb4!? 8.Ba3 Qe4 9.Be2 Nc6 10.Bf8 Rf8=+) 8.Na3 (8.b5 a5+=) 8...Nb4= 9.c3 N4a6 10.Nb5 Qd8 11.Ba3 Ba3 12.Ra3 0-0 13.Nd6 Nc6 (13...Nc7 14.Qb1+=) 14.d4 (14.Ba6 ba6 15.d4 Rb8+=) 14...Qc7 (14...Nc7!?=) 15.Bd3+= h6 (15...f6 16.Qc2 fe5 17.Nb5= (17.de5?! Ne5 18.Bh7 Kh8 19.Ne5 Qd6=)) 16.Bb1 (16.Qe2 Ncb4+-) 16...Ne7 (16...f6 17.Qc2 f5 18.0-0+-) 17.Qd3 g6 18.g4 (18.Qd2 Kh7+-) 18...Qc6 (18...Qb6 19.c4+=) 19.h4 (19.Qe3 Qb6 20.Bd3 Kg7+-) 19...Kg7 (19...f6!? 20.Qe4 Qb6+=) 20.h5+- Nc7 (20...f5 21.hg6 fg4 22.Qd2+-) 21.Rh3 (21.hg6 fg6 22.Qd2 Ng8+- (22...Rf3?? 23.Qh6 Kg8 24.Qh8)) 21...Ne8 (21...Ned5 22.Qd2 Qb6+-) 22.Ne8 Re8 23.Qd2 Rh8 (23...Qb6 24.Bd3 Rh8+-) 24.hg6 (24.g5!? Qb6 25.Bd3 hg5 26.Qg5+-) 24...fg6+= 25.Nh4 d5 (25...g5!? 26.Nf3 a5+-) 26.Qf4 (26.Ng6 Ng6 27.Bg6 Qc7+-) 26...Rf8+- 27.Qd2 g5 (27...Qb6!? 28.Ra1 g5+-) 28.Qd3 Nf5 29.gf5 (29.Ng2 Rh8+-) 29...ef5 30.Rg3 Qe8 (30...Qb6+-) 31.Qf3 (31.f4 Qh5 32.Nf3 g4+-) 31...Qf7 (31...Kh8!? 32.Bf5 Bf5 33.Nf5 Qg6+=) 32.Ba2 (32.Rg1 Be6+-) 32...Be6 33.Ra5 (33.Rg1 g4 34.Ra5 Qc7+-) 33...Kh8 (33...Kh7 34.Bd5 (34.Rd5?! gh4 35.Rh3 Rae8=) 34...Bd5 35.Rd5 gh4 36.Rh3+-) 34.Ng2 f4 35.Nf4 (35.Rh3 Bh3 36.Qh3 Qg6+-) 35...gf4 (35...Qf4 36.Qf4 Rf4 (36...gf4? 37.Rg6 b6 38.Ra3+-) 37.Bd5 Bd5 38.Rd5 Kg7+=) 36.Rg1+- b6 (36...Qc7 37.Rc5 Qh7 A) 38.Bd5? Bd5 39.Qh5 Qb1 40.Qd1 Qe4 41.Kd2 Rg8-+; B) 38.Rd5? B1) 38...Bd5?! 39.Bd5 (worse 39.Qd5 Qc2 40.Qd6 Qc3 41.Kf1 Qc6 42.Qc6 bc6-+) 39...Qb1 40.Qd1=; B2) 38...Qc2-+; C) 38.Kd2+-) 37.Bd5 Bd5 (37...Rae8 38.Be6 Re6 39.Ra6+-) 38.Rd5+- Qf5 (better 38...Rae8+-) 39.Kd2 Rg8 (39...Rad8 40.Rd8 Rd8 41.Qc6+-) 40.Rh1 (40.Rd6 Rg1 41.Qa8 Rg8 42.Rh6 Kg7+-) 40...Rg6 (40...Qe6 41.c4 Rad8+-) 41.Rd6 Rag8 (41...Rf8 42.Rh6 Rh6 43.Rh6 Kg7+-) 42.Rh6 Rh6 43.Rh6 Kg7 44.Rf6 (better 44.Rh4 Qe6 45.Qb7 Kf8 46.Qb8 Kg7 47.Qa7 Qf7 48.Rh7 Kh7 49.Qf7 Rg7 50.Qh5 Kg8 51.e6+-) 44...Qg5 45.Qf4 Qf4 46.Rf4 a5 (46...Rd8+-) 47.Rg4 Kf7 48.Rg8 Kg8 49.c4 Kf7 50.d5 (50.d5 Kf8 51.f4+-) 1–0. Strater,Heinz (2090) – Kain,Friedrich (1940), 9th International Schach–Open Neumarkt, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Qa5 4.Bb2 Nf6)

5.e5 Nd5 6.Nf3 e6 7.Bc4 Nc6 8.0-0 Be7 9.ab4 Qb4 10.Bb3 Nb6 11.d4 a5 12.Qd3 Nd5 13.c4 Nf4 14.Qe3 Ng6 15.Na3 Qb6 16.c5 Qd8 17.Nc4 0-0 18.Ba4 Nb4 19.Nb6 Ra6 20.Nd2 Bg5 21.f4 Nf4 22.Ne4 Bh6 23.Rf4 Rb6 24.cb6 Nd5 25.Nf6 Qf6 26.ef6 Ne3 27.fg7 Rd8 28.Rf3 Nc4 29.Bc3 d5 30.Bb5 Nd6 31.Bd3 Bg7 32.Ra5 Bd7 33.Rh3 f5 34.Kf1 Rc8 35.Rc5 Rc5 36.dc5 Bc3 37.cd6 Be5 38.g4 Bd6 39.gf5= e5 40.Bc2 e4 41.Bb3 Bb5 42.Ke1 Bc6 43.Rh6 Bb4 44.Kf1 Kg7 45.Re6 d4 46.h4 e3 47.f6 Kf8 48.Bc4 Be8 49.Re5 Bf7 50.Bf7 Kf7 51.Rd5 Ke6 52.Rd4 Bc5 53.f7! Ke7 54.f8Q! Kf8 55.Rd8 Ke7 56.Rb8 Kd6 57.Rb7 h5 58.Rb8 Kc6 59.b7 Ba7 60.Rh8 Kb7 61.Rh7 Kb6 62.Rh5 Kc6 63.Re5 1–0. Shirazi,K (2420) – Stanojoski,Z (2525), XXIV Open, Cappelle La Grande FRA, 2008.

4.Nf3 Nc6

5.Bb2 =+.

5.d4 e6 6.d5 ba3 7.Bd2= Nb4 8.Na3 Nf6 9.c3 Ne4 10.cb4 Bb4 11.Nb5+/- Qb6 12.Qc2 Nd2 13.Nd2+/- 0-0 14.Bd3 d6 15.Rb1 Qc5 16.Nc7 Rb8 17.Bh7 Kh8 18.Bd3 Bd7 19.Ke2 ed5+= 20.Qc5 dc5 21.Nd5 Rfe8 22.Ne3 Re7 23.Rhd1 Ba4 24.Nb3 a5 25.Kf1 Rbe8 26.Bc2 g6 27.g3 Bc6 28.Nd5 Bb5 29.Kg1 Re2 30.Na1 Bc6 31.Bd3 Rd2 32.Rd2 Bd2 33.Nb6 Bc3 34.Nc2 a4 35.Bb5 ½–½. Meissen,Frank (2495) – Ruhmke,Stephan (2235), RSXT – BerlinMasters, 2008.

5.Be2 Nf6 6.d3 e5 7.0-0 d5 8.ed5 Nd5 9.Bb2 Qc7 10.Re1 Bd6 11.d4 e4 12.Bc4 Nf6 13.Nbd2 0-0 14.Ne4 Ne4 15.Re4 Bf5 16.Re3 Na5 17.Bb3 Nb3 18.cb3 Bf4 19.Re1 Bc2 20.Qe2 Bb3 21.ab4 Bd5 22.h3 a6 23.Nh4 Qd7 24.Qd3 Rfe8 25.Qf5 Qd6 26.Bc3 Rac8 27.Re8 Re8 28.Re1 Re1 29.Be1 g6 30.Qc8 Kg7 31.Qc3 Qe7 32.Nf3 Bf3 33.gf3 Qe2 34.d5 f6 35.Kg2 Kf7 36.Qd4 Qe5 37.Qd1 Qg5 38.Kf1 Qh4 39.Kg2 Bd6 40.Qc1 Qf4 41.Qc8 Qg5 42.Qg4 Bc7 43.Qg5 fg5 44.Bc3 Bf4 45.Bd4 Ke7 46.Bc5 Bd6 47.Kf1 Bc5 48.bc5=+ Kf6 49.Ke2 Ke5 50.d6 Ke6 51.Kd3 b6 52.Kc4 bc5 53.Kc5 Kd7 (53...Kd7 54.Kd5 a5-+) 0–1. Pinasco,Damian (2035) – Raffaele,Enzo (2235), IECG, 2001.

3.a3 b3

4.cb3 b6 5.d4 Bb7 6.d5 Nf6 7.Nc3 d6 8.Nf3 g6 9.Bb2 Bg7 10.Rc1 (10.Bb5!? Nbd7 11.Nd4+/-) 10...Ne4= 11.Bb5 Nd7 12.Qd3 Nc3 13.Bc3 Bc3 14.Rc3 0-0 15.0-0 Nf6 16.Bc6 Rb8 17.Rfc1 Nd7 (17...e6 18.de6 fe6 19.Nd4=) 18.Bb7 Rb7 19.Rc8?? (better is 19.Qa6 Qa8 20.Qb5=) 19...Qc8-+ 20.Rc8 Rc8 21.h3 Rbc7 0–1. Fossati Acosta,Rafael (1865) – Arza Garcia,Marc (1815), Catalunya–chB, 1996. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.cb3= g6 5.Nc3 Bg7 6.Nf3 e6 7.d4+/- Ne7 8.Be3 a6 9.Bd3 Qc7 10.Rc1 0-0? 11.Nb5+- Qd8 12.Nc7 Ra7 13.d5 Ra8?? 14.Na8 Qa5 15.Qd2 Qa3 16.Bc5 (16.Bc5 Qb3 17.Be7+-) 1–0. yourmove (2795) – kpadfield (2130), net–chess.com, 2008.

4.c3 Qb6 5.Bb2 Qg6 (5...Nf6!? 6.e5 Ne4+=) 6.d3= (worse is 6.Qb3 Qe4 7.Ne2 d5+=) 6...Nc6 7.Nf3 d6 8.Qb3 Nf6 9.Nbd2 e6 10.g3 h5 ½–½. Nanu,Ciprian (2505) – Manolache,Marius (2440), Padron op 5th, 2004. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.c3 d5 5.e5 Qb6 6.Bb2 Bf5 7.d4 Bc2 8.Qd2 e6 9.Bd3 Bd3 10.Qd3 Nc6 11.Ne2 Na5 12.Nd2 Rc8 13.0-0 Nc4 14.Nc4 dc4 15.Qh3 Rd8 16.f4 Ne7 17.Rf3 Qc6 18.Ng3 g6 19.Re1 b5 20.Ne4 Nd5 21.Nf6 Nf6 22.ef6 Rd5 23.f5 gf5 24.Rf5 Rf5 25.Qf5 Kd7 26.Qg4 h5 27.Qe2 Qd5 28.Qf2 Bd6 29.Bc1 Rg8 30.Re2 a5 31.Qe1 Rg6 32.Rf2 h4 33.Bb2 h3 34.g3 Rf6 35.Qf1 Rf2 36.Qf2 Qf5 37.Qf5 ef5 38.Kf2 b4 (38...b4 39.ab4 ab4 40.cb4 Bb4-+) 0–1. Spasov,Ivailo (1810) – Neichev,Ivan, Sofia BUL, 2012. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.c4 e6 5.Qb3 Nc6 6.Nf3 Bc5 7.Bb2 e5 8.Ne5 Nd4 (8...Nf6 9.Qg3 0-0 10.Nd3=) 9.Qg3+/- Nc2? (better 9...Qb6!? 10.Ra2 Nc2 11.Ke2 Nd4 12.Ke1 Nc2 13.Kd1 Nd4+=) 10.Kd1+- Na1 11.Qg7 Qf6 12.Ng4 (better 12.Nd3 Qg7 13.Bg7+-) 12...Qg7+/- 13.Bg7 Nb3 14.Bh8 d6 (14...d5!? 15.Ne3 de4+/-) 15.Be2 Bg4 16.Bg4 f6 17.Be6 (better 17.f4!? Kf7 18.Bh5 Ke6+-) 17...Ke7 18.Bg8?? (better 18.Bd5 Nh6 19.Bg7+-) 18...Rg8-/+ 19.Bf6 Kf6 20.Nc3? (better 20.g3 Ke5 21.Kc2 Nd4 22.Kd3-/+) 20...Rg2-+ 21.Nd5 Ke5 22.f4 (22.Rf1 Bf2 (22...Ba3?! 23.Kc2 Nd2 24.Kd2 Ke4 25.h4-+) 23.Kc2 Nd4 24.Kc3 Rh2-+ (worse 24...Ke4 25.Nf6 Kf5 26.Nh7-+)) 22...Kd4 23.f5 (23.Kc2 Kc4 (23...Nd2?! 24.Rd1-+) 24.Rd1 Rh2-+) 23...Rd2 24.Ke1 Ke4 (worse 24...Kc4 25.f6 Bf2 26.Kf1-+; 24...Ba3 25.f6 Kd3 26.h4 Re2 27.Kd1=+) 25.f6 (25.h4 Bf2 26.Kf1-+) 25...Rf2 (25...Bf2 26.Kf1 Kf3 27.Nc3 Rc2 28.Nd5 Nd2) 26.Rf1-+ Rf1 (26...Rh2 27.f7 Rc2 28.Rf4 Kd3 29.Rf3 Kc4 30.Ne3 Be3 31.Re3+=) 27.Kf1 Bd4 (27...Ba3?? 28.f7 Nd2 29.Ke2 Nc4 30.Nc3 Kd4 31.Nb5 Kc5 32.Na7+-) 28.f7 Bg7 29.Nf6 Kd3 30.Nh7 Kc4 (30...Nd2 31.Ke1-+) 31.f8Q Bf8 32.Nf8 d5 33.h4 d4 34.Ke2 d3 35.Kd1 Nd4 36.h5 Nf5 37.Ng6?? (better 37.Kd2-/+) 37...Kc3-+ 38.Ne5 (38.Nf4 Ne3 39.Ke1 d2 40.Ke2 d1Q 41.Ke3 Qc1 42.Ke4 Qa3 43.Kf5-+) 38...d2 (better 38...Ne3 39.Ke1 d2 40.Ke2 d1Q 41.Ke3 Qd4 42.Kf3 Qe5 43.Kg4-+) 39.Nf3?? (better 39.Ng4-+) 39...Ne3 40.Ke2 d1Q 41.Ke3 Qh1 42.Kf4 Qh5 43.a4 (43.Ne5 Qh2 44.Kf5 Kb3-+) 43...Kb4 (43...Qa5 44.Kg3-+) 44.a5 Ka5 45.Ne5 (45.Ng5 b5 46.Nf3 b4-+) 45...b5 46.Ke3 (46.Nf3-+) 46...Qe5 47.Kd3 Kb4 48.Kc2 (48.Kd2 Qe4 49.Kc1 Kc3 50.Kd1 a5 51.Kc1 Qc2) 48...Qc3 (48...Qe2 49.Kb1 Kc3 50.Kc1 Qc2) 49.Kb1 (49.Kd1 Qe3 50.Kc2 Qe2 51.Kb1 Kc3 52.Kc1 Qc2) 49...Qd2 50.Ka1 Kb3 51.Kb1 Qb2 (51...Qe1) 0-1. Mukhina,Jana (2065) - Juhasz,Ba (2220), Women's Speed Chess Q2, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.Bc4 b5?? 5.Bb3 (better 5.Bf7!? Kf7 6.Qh5 g6 7.Qd5 e6 8.Qa8+=) 5...Bb7+= 6.Nc3 a6 (6...Nf6 7.Nf3 Ne4 8.Ne4 (8.Nb5?! e6=) 8...Be4 9.Ng5+-) 7.Nf3 e6 8.0-0 Nf6 (8...Qc7 9.Re1+=) 9.Re1 (9.e5 Ne4 10.Ne4 Be4+=) 9...d6 10.d4 Nbd7 11.e5 (11.d5 Nc5+=) 11...de5 12.de5 Qc7 (12...Ng4 13.Bf4=+) 13.Bb2= Ng4 The pressure on e5 grows 14.Ne4 (14.h3 Nh6= (worse 14...Nge5 15.Ne5 Ne5 16.Nd5 Bd5 17.Be5+-)) 14...Be4 (better 14...Nge5!? 15.Ne5 Ne5-/+) 15.Re4+= h5 16.h3 Nh6 17.Ng5 (17.a4 b4+=) 17...Nc5 18.Re1 (18.Rh4 Rd8 19.Qf3 Qe7 20.Qc6 Qd7 21.Qd7 Rd7 22.Rh5 Be7=) 18...Nf5 (18...Rd8 19.Qf3=) 19.Qf3 Rc8 20.Rad1 g6 (20...Be7 21.Ne4=) 21.Ne4+= Ne4 22.Re4 Be7 (22...Bc5 23.c4+=) 23.c4 0-0 (23...Qa5 24.cb5 ab5 25.a4+=) 24.Rc1 (24.cb5 ab5 25.a4 ba4 26.Ra4 Rb8+=) 24...Qa5+= The isolani on a3 becomes a target 25.Ra1 (25.cb5 Rc1 26.Bc1 ab5=) 25...bc4 (25...Rfd8 26.Bc3 Qc7 27.Ra2=) 26.Bc4 (26.Rc4 Rc4 27.Bc4 Rb8+=) 26...Rc6 27.Qe2 (27.Rb1 Rb8 28.Bb3 A) 28...Ba3 29.Ra4 Qd2 30.Ba3+- (30.Qc6?! Rb3 31.Ra3 Rb2+-); B) 28...Rcb6=+) 27...Qb6 28.Bd3 (better 28.Kf1!?=) 28...Ng3-/+ 29.Qe3?? (better 29.Qe1 Qb2 30.fg3-/+) 29...Ne4-+ (29...Qb2?! 30.Rb1 Nf5 31.Rb2 Ne3 32.Re3 Ba3 33.Ra2=+) 30.Be4 (30.Bd4 Bc5 31.Rb1 Bd4 32.Rb6 Be3 33.Rc6 Nf2 34.Ba6 Nh3 35.Kf1-+) 30...Rd8 (better 30...Qb2 31.Rb1 Qa2-+) 31.Qe2 (better 31.Bc6!? Qb2 32.Rf1=+) 31...Rc7 32.Rb1 (32.Bc1 Qa5 33.Bf4 Ba3-+) 32...Qa5 (32...Qb3 33.Qe1 (33.Qa6? Rd2 34.Qa5 Rb2 35.Qc7 Rb1 36.Bb1 Qb1 37.Kh2 Ba3-+) 33...Ba3 34.Ba3 Qa3 35.Bb7-+) 33.Bc1 (33.Bd3 Rcd7 (33...Ba3?! 34.Ra1 Rc3 35.Bc4=+) 34.Ba6 Rd2-+) 33...Qa4 (33...Qe5 34.Bb2 Qf4 35.Bd3-+) 34.Bb2 Rcd7 (34...Ba3 35.Ra1 Qc4 36.Qc4 Rc4 37.Ra3 Re4 38.Ra6 Rd1 39.Kh2-+) 35.Bc2 Qa5 36.Qf3 (36.Bc1 Rd5 37.Bf4 Qa3-+) 36...Rc8 (36...Rb8 37.Qe4-+) 37.Be4 Bf8 (better 37...Rb8 38.Bc3 Rb1 39.Bb1 Qa3-+) 38.Bc1?? (better 38.Bc6 Rdc7 39.Be4-+) 38...Qe1-+ 39.Kh2 Rc1 40.Rb8 (40.Rc1 Qc1 41.Bc6 Rc7-+) 40...Qg1 (40...h4 41.Qf7 Kf7 42.Rf8 Kf8 43.Bg6 Qg1) 41.Kg3-+ Qe1 (41...Rc4 42.Qf6 Rc3 43.f3-+) 42.Qf6?? (42.Kh2 h4 43.Qf7 Kf7 44.Rf8 Kf8 45.Bg6 Qg1) 42...Qc3 (42...Rd4 43.Qe7 h4 44.Qh4 Re4 45.Qh6 Qc3 46.Kh2 Qe5 47.g3 Qb8 48.Qc1-+) 43.f3 (43.Kh4 Rd4 44.Rb7 Re4 45.g4 Rg4 46.hg4 Rh1 47.Kg5 Qd2 48.Qf4 Bh6 49.Kf6 Qf4 50.Ke7 Bg5 51.Ke8 Qa4 52.Rd7 Rd1 53.gh5 Qd7) 43...Qa3 (43...Qe1!? 44.Kf4 Rd4 45.Rf8 Kf8 46.Qh8 Ke7 47.Qf6 Ke8 48.Qh8 Kd7 49.Qf6-+) 44.Kf4 (44.Kh2 Qc5 45.Bg6 Qg1 46.Kg3 Qe1 (46...fg6?? 47.Qf8 Kh7 48.Qh8) 47.Kh2 Qh1 48.Kg3 h4 49.Kh4 Rc4 50.f4 Rf4 51.Qf4 Qg2=) 44...Qe7 (44...Rd2!? 45.g4 Re2 46.Kg3-+) 45.Rf8 (45.Qe7 Re7 46.Ra8-+) 45...Qf8 (45...Qf8 46.Kg3 Qb4-+) 0–1. Chaves,JA Torre (2030) – Oliveira,F Ventura (2055), Rio de Janeiro BRA, Estadual Ch, 2014. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.Bc4 d5!? 5.Bd5 Nf6 6.Bb3 Ne4 +=.

4.d4 Qc7 5.c4 (5.cb3 d5 6.Nd2 de4 7.Ne4 Bf5+=) 5...e6 (5...e5 6.Nd2=) 6.Qb3+= a6 (6...e5 7.de5 Qe5 8.Nc3+=) 7.g3 (7.Nf3 d5 8.ed5 ed5+-) 7...d6 8.Qa4 (8.Nf3 Nf6 9.Nc3 Be7+=) 8...Nd7 (8...b5 9.Qb3 Nc6=) 9.Qb4 (better 9.Nd2!?=) 9...d5-/+ 10.c5 (10.Qb2 de4 11.Nd2 Ngf6-/+) 10...b6 11.Bf4 bc5 12.dc5 (12.Bc7 cb4 13.e5 b3-/+) 12...Qc5 (12...e5 13.Bd2 Bc5 14.Qa5 Qa5 15.Ba5 de4 16.Nc3-+) 13.Qb2 (13.Qc5!? Bc5 14.Nc3-/+) 13...Ngf6 14.Bg2 (better 14.Be3 Qa5 15.Bd2-+) 14...Rb8?? (better 14...Ne4 15.Be4 de4-+) 15.Bb8+- Qa5 (15...Nb8 16.Qb8 Qc1 17.Ke2 Qc4 18.Kd1 Qd4 19.Ke1 Qa1 20.Qc8 Ke7 21.Qb7 Ke8 22.ed5 Nd5 23.Bd5 ed5+-) 16.Nc3?? (better 16.Nd2 Ne4 17.Be4 de4 18.Ne2+-) 16...Nb8 (better 16...d4 17.Bf4 Nc5= (worse 17...Qc3 18.Qc3 dc3 19.Ne2+-)) 17.0-0-0?? (better 17.Nge2 Nc6 18.0-0+=) 17...Ba3-+ 18.Qa3 Qa3 19.Kc2 Qc5 (better 19...Nc6 20.Nge2 Nb4 21.Kd2-+) 20.Rb1 (20.ed5 ed5 21.Nge2 Bf5 22.Kb2 0-0 23.Bd5 Nd5 24.Rd5 Qb4 25.Ka1 Qa3 26.Na2 Qf3 27.Rf5 Qh1 28.Nec1 Nd7-+) 20...Qf2 21.Nge2 Qg2 (better 21...Nfd7 22.ed5 Qg2 23.Kd2-+) 22.Rhc1 (22.Rb8 0-0 23.Rg1 Qf2-+) 22...Nbd7 23.Kd2 Ne4 (better 23...d4 24.Kd1-+) 24.Ne4 0–1. Ionita,George_Calin – Iurcu,Marius, Campionatul National Individual Pentru, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.cb3 Nc6

5.Bb2 d5 6.ed5 Qd5 7.Nc3 Qe5 8.Qe2 Qe2 9.Be2 (worse is 9.Ke2 Nd4 10.Kd1 Nb3 11.Bb5 Kd8-/+) 9...Bd7 10.Nf3 Nf6 11.0-0 a6 12.Na4 e6 13.Nb6 Rd8 14.d4 Nd5 15.Nd5 ed5 16.Ne5 Ne5 17.de5 Bc5 18.Rac1 Bb6 19.Kh1 (19.Rfd1 Be6=) 19...0-0 20.f4 Bf5 21.Bf3 Rd7 22.Rcd1 (22.g4!? Be4 23.Rcd1 Bf3 24.Rf3+=) 22...d4+= 23.Rd2 d3 24.Re1 Rc8 25.g4 Be6 26.f5 Bb3 27.e6 fe6 28.fe6 Re7 (28...Rd5 29.Bc1 Ba5-+) 29.Rd3+= Ba5? (better is 29...Bc4!? 30.Rd6 Bc5+=) 30.Re5+- (30.Rb3?! Be1 31.Bb7 Rb8=) 30...Bc4 31.Rd7 Bd8 32.Bd5 (32.Bd4 Bb5 33.Bd5 Bc6+-) 32...Bb5? (32...Rd7 33.ed7 Bd5 34.Rd5+=) 33.Rg5 (33.Rb7!? g6 34.a4 Ba4 35.Ba3 Rb7 36.e7 (36.Bb7?! Rc7 37.Rc5 Rb7+=) 36...Kh8 37.e8Q (37.ed8Q?! Rd8 38.Bb7 Bb5+-; 37.ed8R?! Rd8 38.Bb7 Bb5+-) 37...Be8 38.Re8 Kg7 39.Bb7+-) 33...g6+/- 34.Bf6 Rc1 35.Kg2+/- Bf1?? 36.Kf3+- (36.Kf3 Rc8 37.Be7 Be7 38.Re7+-) 1–0. BatTESTI,Marc Andria (1890) – Stubbe,Damien (1780), Bastiais Master 1st, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.Nc3 d6 6.Bb2 Nf6= 7.Nf3 (7.Rc1 g6=) 7...e6 (7...g6 8.Bc4=) 8.d4+= Be7 9.Bd3 0-0 10.Qe2 (10.0-0 Bd7+=) 10...h6 (10...Bd7 11.0-0+=) 11.0-0+- Bd7 (11...Qb6 12.b4+-) 12.Rfe1 (12.Rac1 e5 13.Nd5 Nd5 14.ed5 Nd4 15.Nd4 ed4 16.Bd4 Bg5+=) 12...Rc8 (12...e5 13.Nd5 Bg4 14.de5 Ne5 15.Be5 de5 16.h3 Bf3 17.Qf3 Nd5 18.ed5=) 13.Rad1 (13.b4 Qb6+-) 13...a6 (13...Qb6 14.b4+=) 14.b4 (14.e5 Nd5 15.Nd5 ed5+-) 14...b5 (14...e5 15.Nd5 Bg4 16.de5 Ne5 17.Be5 de5 18.Ba6 Nd5 19.Rd5+=) 15.Qd2 (15.e5 Nd5 16.Nd5 ed5+-) 15...Rb8 (15...Qb6 16.e5 Nd5 17.Nd5 ed5 18.Bb1+-) 16.Qf4 (16.e5 Nd5+-) 16...Nd4 (16...Nh5 17.Qc1 Rc8 18.Qd2+-) 17.Nd4 e5 18.Qe3 (18.Qg3 ed4 19.Nd5 Nd5 20.ed5 Bh4+=) 18...Ng4 19.Qe2 ed4 20.Nd5 Be6 (20...Bf6 21.Rc1+=) 21.Bd4 Ne5 22.f4 (22.Bc2 Rc8+=) 22...Nd3 (22...Bd5 23.ed5 Nd3 24.Qd3=) 23.Rd3 (23.Ne7 Qe7 24.Qd3 f6+=) 23...Bh4 (23...Bd5 24.Rg3 g6 25.ed5+=) 24.g3 (24.Bf2 Bf2 25.Qf2 Rc8+=) 24...Bd5 25.ed5 (25.gh4 Bc4 26.Qg4 f6=) 25...Bf6 26.Qb2 (better 26.Bf6 Qf6 27.Qd2=) 26...Qb6? (better 26...Re8 27.Rc1 Bd4 28.Qd4 Qd7=) 27.Bb6+- Bb2 28.Bc7 Rbc8 (28...Rfe8 29.Re8 Re8 30.Bd6+-) 29.Bd6 Rfe8 (29...Rfd8 30.Bc5 Rd7+-) 30.Re8 Re8 31.Bc5 Rd8 (31...f5 32.d6 Bf6 33.d7+-) 32.d6 Rd7 33.Re3 (33.Rd2 Bc3 34.Rc2 Ba1+-) 33...Kf8 (33...f5 34.Re2 Ba3 35.Ra2+-) 34.Kg2 (better 34.Re7 Re7 35.d7 (worse 35.de7 Ke8-+) 35...Bd4 36.Kg2 Bc5 37.d8Q Re8 38.Qa5+-) 34...Bc1 (34...f5 35.Re7 Rd8+-) 35.Re2 (35.Re7!? Rd6 36.Bd6 Kg8+-) 35...Ba3 (35...g5 36.Re7 Rd8+-) 36.Ra2 (better 36.Re7 Rd8 37.d7 Rd7 38.Rd7 Kg8 39.Ra7+-) 36...Bc1 37.Ra6 f5 (37...g5 38.Kf3+-) 38.Rb6 g5 39.fg5 (39.Kf3!? Bb2+-) 39...hg5 40.Rb5 f4? (40...Kf7+-) 41.Rb8 Kf7 42.b5 (42.Kf3 Bd2+-) 42...Be3 (42...g4 43.b6 f3 44.Kf1+-) 43.Be3 fe3 44.Kf3 e2 (44...Ke6 45.Ke3 Kd6 46.Rg8+-) 45.Ke2 Rd6 (45...Ke6 46.Rb6 g4 47.Ke3+-) 46.b6 Rh6 (46...Kg7 47.h4 Re6 48.Kd3 gh4 49.gh4 Rh6+-) 47.b7 Rh2 48.Kf3 Rb2 49.Rh8 Rb3 50.Kg2 (50.Kg4 Rb4 51.Kh5 Ke6+-) 50...Rb2 (50...Ke6 51.Re8 Kf6 52.Rf8 Ke6 53.b8Q Rb8 54.Rb8+-) 51.Kh3 Rb7 52.Rh7 (52.Rh7 Ke6 53.Rb7+-) 1–0. Nesterenko,Kyrylo – Lopez Rayo,Santiago (1630), World Cadets Championship U8, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nc6)

5.Nc3 g6 6.d4 Bg7 7.Nf3 d6 8.h3 e6 (8...Nf6 9.Bd3+=) 9.Be3 Nge7 10.Be2 h6 (10...d5 11.e5+=) 11.Rc1 0-0 (11...d5 12.Bd3+=) 12.Qd2+- Na5 (12...g5 13.0-0+-) 13.Rb1 (13.Bh6 Nb3 14.Qe3 Nc1 15.Qc1 Bd7-/+) 13...Kh7 14.b4 Nac6 15.Rc1 (15.0-0 a6+-) 15...f5 16.ef5 (16.0-0!?+-) 16...Nf5+= Increasing the pressure on the isolated pawn on d4 17.0-0 d5 (17...e5 18.de5 de5 19.Bd3+=) 18.Rfd1 Bd7 19.Bf1 (19.Bd3 A) 19...Bd4? 20.Bf5 (20.Nd4?! Ncd4 21.Bd4 Nd4 22.Bg6 Kg6 23.Qd4 Qf6+=) 20...Be3 21.Bg6 (21.Qe3?! Rf5 22.b5 Na5=) 21...Kg6 22.Qe3+- (22.fe3?! Qf6+-); B) worse 19...Nfd4 20.Nd4 Bd4 21.Bg6 Kg6 22.Qc2 Kg7 23.Rd4 Nd4 24.Bd4 Rf6 25.Rd1+=; C) 19...a6+=) 19...Qe7 (19...Ne3 20.Qe3 a5 21.b5 Rf3 22.Qf3 Nd4 23.Qe3=) 20.Ne2 a6 21.Nf4 Rac8 22.Bd3 Be8 23.Re1 Bf7 (23...Kg8 24.h4+=) 24.Rc5+- Qf6 (24...Qd6 25.Rec1+-) 25.Bf5 (25.Rec1!?+-) 25...ef5+= 26.Nd5?? (better 26.h4+=) 26…Bd5-+ (26...Bd5 27.Rd5 f4-+) 0–1. Doroodian,Mahyar (1975) – Firouzja,Alireza (2515), 1st Aftab Cup Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nc6)

5.Bc4 Nf6 6.Nc3 e6 7.Nf3 Be7 (7...d5 8.ed5 ed5 9.Bb5=) 8.d4 Na5 (8...d5!? 9.ed5 ed5=) 9.Bd3 d5 10.e5 Nd7 11.Bc2 0-0 12.Qd3 g6 13.g4 Kg7 14.h4 Rh8 15.h5 Nf8 16.Ne2 b6 17.Nf4 Bb7 18.hg6 hg6 19.Rh8 Kh8 20.g5 Kg7 21.Bb2 Bg5 22.Nh3 Be7 23.0-0-0 Rc8 24.Rh1 Qc7 25.Nhg5?? (better is 25.Kd1=) 25...Ba6-+ 26.Qd1 Qd8 27.Qd2?? (better is 27.Nh3 Nb3 28.Kb1-+) 27...Nb3 28.Kd1 Nd2 29.Kd2 Bg5 30.Ng5 Qg5 31.Kd1 Qg4 32.Kc1 Qf4 33.Kb1-+ Qf2 (33...Qf2 34.Ba4 Bf1-+) 0–1. Hind,Faraj – Abbasova,Sadagat, Al–Ain UAE, World Ch Girls U10, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 b3)

5.d4 d5 6.e5 Bf5 7.Nf3 Qa5 8.Bd2 Qb6 9.Be3 e6 10.Nc3 Rc8 11.Be2 (11.Nh4 Be4 12.Be2 Qa5=) 11...Nh6 (11...Na5 12.b4 Rc3 13.ba5=+) 12.0-0 Ng4 13.Na4 Qd8 (13...Ne3 14.Nb6 Nd1 15.Nc8=) 14.Bg5 f6 15.ef6 gf6 16.Bh4 Bg7 (16...Bd6 17.Nc5 Qe7 18.Re1=) 17.Nc5 b6 18.Nd3 0-0 19.Nf4 Qd6 20.Nh5 (20.Bg3 Qd7 21.Ba6+=) 20...Bh8 (better 20...Bc2! 21.Qd2 Bh6=+) 21.h3 (better 21.Bg3 e5 22.Nh4+-) 21...Nd4? (21...Nh6 22.Qd2 Bg7+=) 22.hg4?? (better 22.Qd4 e5 23.Qb4 (23.hg4?! ed4 24.gf5 Qe7+/-) 23...Qb4 24.ab4+-) 22...Ne2= 23.Qe2 Bg4 24.Ng3 e5 25.Rfd1 (25.Qa6 Bf3 26.gf3 f5+=) 25...Qe6 (25...f5 26.Qf1=) 26.Qd2 Bf3 27.gf3 d4 28.Qh6 Rc7 (28...Bg7 29.Qh5 Qb3 30.Nf5=) 29.Kg2 (29.Nh5!? Qf5 30.Kh2=) 29...Bg7 30.Qh5 f5 (30...Qb3 31.Nf5=+) 31.Rg1 Kh8 32.Bg5 1-0. Grabinsky,V (2215) - Kalinina,L (2130), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.d4 d5 6.e5 Bf5 7.Nf3 e6 8.b4 Nge7 9.Be2 Nc8 (9...Rc8 10.0-0=) 10.0-0 Be7 11.Be3 Nb6 12.Bd3 (12.Nbd2 0-0=) 12...Bd3 13.Qd3 0-0 (13...Nc4 14.Nfd2 b5 15.Nc3=) 14.Nbd2+= Rc8 15.Rac1 f6 16.ef6 Bf6 17.Rfe1 a6 18.Nb3 Nc4 19.Nc5 Qe7 20.Bf4 Nd8 21.Nd2 Nd6 (21...Bh4 22.g3 (worse 22.Nc4 Rf4 23.Nb6 Bf2 24.Kh1 Rc5 25.dc5 Be1 26.Re1 Qf6-/+) 22...b5 23.Nc4 bc4 24.Qe3+=) 22.Bd6+= Qd6 23.Ndb3 Rc7 24.g3 Re7 25.f4 Qb6 26.Kg2 Rfe8 27.Re2 Nc6 The isolani on d4 becomes a target 28.Rce1 Na7 29.f5 ef5? (better 29...Nb5!? 30.Re6 Re6 31.Re6 Re6 32.fe6 Na3+-) 30.Re7+- Re7 31.Re7 Be7 32.Qf5 Nc6? (32...Bc5 33.Qd5 Kf8 34.Nc5 Qc6 35.Qc6 Nc6+-) 33.Qe6 Kh8 34.Na5 (34.Qd5?! h6+-) 34...h6 35.Qg6 (better 35.Ncb7 Qd4 36.Nc6 (36.Qc6?! Qe4 37.Kf2 Qf5 38.Ke3 Qe4 39.Kd2 Bg5 40.Kc3 Qe3 41.Kb2 Bf6 42.Ka2 Qd3+-) 36...Qd2 37.Kh3+-) 35...Bc5 (35...Qb5 A) 36.Nab7?? Qe2 37.Kh3 A1) 37...Nd4?! 38.Qd3 (38.Qa6 Qh5 39.Kg2 Qf3 40.Kh3 Ne2 41.Qa8 Kh7 42.Qh8 Kh8 43.Nd6 Nf4) 38...Qf2 39.Nd7-+ (39.Qa6 Nf3 40.Kg4 Ng1 41.Qd3 g6 42.Qc3 d4 43.Qd4 Qd4 44.Ne4 Qe4); A2) 37...Qf1 38.Kg4 Nd4-+; B) 36.Ncb7 Qe2 37.Kh3 Nd4 38.Qe8 Kh7-+; C) 36.Qe8 Kh7 37.Kf2= (37.Ncb7 Qe2 38.Kh3 Qf1 39.Kg4 g5 40.Qf7 Qf7 41.h4 Nd4 42.Nd6 h5 43.Kh3 Qf1 44.Kh2 Nf3; 37.Nab7 Qe2 38.Kg1 Nd4 39.Qh5 Qh5 40.Nd3 Qd1 41.Ne1 Qe1 42.Kg2 Qe2 43.Kh3 Qf1 44.Kg4 Qf5)) 36.dc5 Qc7 (36...Qb5 37.Qe8 Kh7 38.Kf2=) 37.Qd6 (37.Nc6!? bc6 38.Qe8 Kh7 39.Qa8+-) 37...Qd6+= 38.cd6 Nd8 39.Nb3 Kg8 40.Nc5 Kf7 41.a4 Kf6 (41...b6 42.Na6 Ke6 43.Nc7 Kd6 44.Ne8 Ke5 45.Ng7=) 42.a5+- Nc6 (42...g5 43.h3+-) 43.Nb7+= Ke6 (43...Nb4?? 44.d7 Nc6 45.d8Q Nd8 46.Nd8+-) 44.Nc5 Kd6 45.Na6 Nd4 (45...d4!?+=) 46.Kf2 Kc6 47.Ke3 (47.Nc5 h5+-) 47...Nf5? (better 47...Ne6!?+=) 48.Kd3+- h5 (48...g5 49.g4 Nh4 50.Nc5+-) 49.Nc5 g5 Black intends h4 50.a6 Kb6 51.b5! g4? (51...Kb5 52.a7 Passed pawn) 52.Na4 Ka7 53.Nc3 h4 54.gh4 Nh4 55.Nd5 Nf5 (55...Nf3 56.Kc4 Ne5 57.Kb4 Nf7+-) 56.Kc4 g3 57.hg3 Ng3 (57...Ng7 58.Kb4 Ne6+-) 58.Kc5 White prepares the advance b6 58...Ne4 59.Kc6 Ng5 (59...Nd2 60.b6 Ka6 61.b7 Nb3 62.b8Q Na5 63.Kc5 Nb7 64.Kb4 Nd6 65.Qb6) 60.b6 (60.b6 Ka6 61.b7 Ka7 62.Kc7 Ne6 63.Kc8 Ka6 64.b8Q Ka5 65.Qb6 Ka4 66.Qb4) 1–0. bulent_2010 (2760) – mizuzul (2255), ChessWorld.net, 2017. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nc6)

5.d4 d6 6.Nf3 Bg4 7.d5+/- Ne5?? (better is 7...Nb8+/-) 8.Ne5+- Qa5 (8...de5 9.Qg4 Qb6 10.Nc3+-) 9.b4 (better is 9.Bd2 Bd1 10.Ba5 a6 11.Nf7 Kf7 12.Kd1 g6+-) 9...Bd1 10.ba5 de5 11.Kd1 a6 12.Ra2 Rd8 13.Rb2 e6 (13...Rd7 14.Rc2+-) 14.Rb7 ed5 15.Ba6 Nf6 (15...de4 16.Ke2 Bc5+-) 16.Bb5 Nd7 17.ed5 Bc5 18.Be3 Be3 19.fe3 Ke7 20.Ke2 e4 21.d6! Ke6 22.Rd1 Ne5 23.Re7 Kf6 24.Rf1 Nf3 25.gf3 Rd6 26.Re4 Rc8 27.Rd1 Rc2 28.Rd2 Rcd2 29.Nd2 Kg5 30.a6 f5 31.Rd4 Re6 32.a7 f4 33.Rf4 Kh6 34.a8Q g5 35.Qf8 Kh5 36.Be8 Rg6 37.Rg4 h6 38.h4 gh4 39.Bg6# 1–0. Howell,Jason (1955) – Pachta,Mickey (1615), Southwest op U2000, 1999. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.Nf3 d6 6.d4 g6 7.Bb2 Bg7 8.Be2 Bg4 9.Nbd2 e5 (9...Nh6 10.0-0+=) 10.de5 de5 11.0-0 Nge7 12.Qe1 (12.Nc4 Bf3 13.Bf3 0-0+=) 12...0-0+= 13.Rd1 Qc7 14.h3 Bf3 (14...Be6 15.Bc4=) 15.Nf3+= (worse is 15.gf3 Nd4-/+) 15...Rfd8 16.Bc4 (16.Qc3 Qb6+=) 16...Na5 17.Rd8 (17.Bd5 Nd5 18.ed5 f6=) 17...Rd8= 18.Bf7 Kf7 19.Ng5 Kg8 20.Ne6 Qb6 21.Ng7? (better is 21.Nd8!? Qd8 22.Qe2=) 21...Kg7-/+ 22.Be5 Kg8 23.Qc1 Qe6 24.f4 Rc8 25.Qb2 Qb3 26.Qf2 Nc4 27.Bf6 Kf7 28.Be7 Ke7 29.Qh4 Ke8 30.Qh7-/+ Qb6 31.Kh1 Ne3 32.Re1 Rc2 33.f5 Ng2 34.Qg8+- Ke7 35.Qg7 Ke8 36.f6 Qe6 37.Qh8 Kd7 38.Rd1 Kc6 39.e5?? Qe5?? 40.Qc8+- Qc7 41.Qe6 Kb5 42.Qb3 Ka6 43.Qa4 Qa5 44.Qc2 (44.Qc2 Ne3 45.Qe2 Qb5 46.Rd6 b6 47.Qb5 Kb5 48.f7+-) 1–0. Harayssi,Zaki (1980) – Gulsoy,Mustafa Alpago, World Amateur Chess Championship, 2011. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.Nf3 d6 6.Be2 Nf6= 7.Nc3 Bg4 8.0-0 g6 (8...d5!? 9.ed5 Nd5=) 9.d4+/- Bg7 10.Be3 0-0 11.Rc1 e6 12.Nd2 Be2 13.Qe2 Re8 14.f3 e5 (14...Rc8 15.Qf2+=) 15.de5 (15.d5 Nd4 16.Qd3 Qa5+/-) 15...de5+= 16.Nc4 Nd4 17.Qb2 b5 18.Ne5 Re5 19.Rcd1 Nf3 20.Rf3 Qe8 (20...Qb8 21.Bd4 Re6 22.Nd5+/-) 21.Bd4 Nd7 (21...Re6!? 22.Rdf1 b4 23.ab4 Qe7+-) 22.Nd5+- Rc8 23.Rdf1 (23.Rf2 Nc5 24.Be5 Be5+-) 23...f5+/- 24.ef5 Rd5 25.Bg7 Rf5 26.Bh8 Qe7 27.Rf5 gf5 28.h3 (28.Bd4 a6+/-) 28...Rf8+= 29.Bd4 a6 (29...Nc5 30.b4 Ne4 31.Qb3 Qf7 32.Qe3+=) 30.Qc3 (30.Qc1 Qd6 31.Qg5 Qg6+/-) 30...Qe6 (30...Qd6 31.b4+=) 31.Re1 Qg6?? (better is 31...Qd6+/-) 32.Re7+- Nf6 33.Re6 Kg7 34.Ra6 1–0. Krylov,Mikhail – Lysyj,Igor (2225), RUS–ch U14 Togliatti, 2000. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.cb3 d5

5.Nc3 de4 6.Ne4 Nd7 7.Nf3 Ngf6 8.Nf6 Nf6 9.Bb2 a6 10.Bf6 gf6 11.d4 Qd5 12.g3 Qe4 13.Qe2 Bf5 14.Qe4 Be4 15.Bg2 0-0-0 16.0-0 e6 17.Rfd1 Bh6 18.Ne1 Bg2 19.Kg2 Rd5 20.Rd3 Rhd8 21.Rad1 Bf8 22.a4 Bg7 23.f4 Kb8 24.Kf3 Bf8 25.Ke2 Rc8 26.Ng2 ½–½. Kravtsiv,Martyn (2450) – Pavlov,Sergey (2000), Kiev Sport Union–ch, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5)

5.ed5 Qd5 6.Nc3 Qd6 7.Bc4 Nf6 8.Bb2 a6 9.b4 b5 10.Bb3 Bb7 11.Nf3 e6 12.0-0 Ng4 13.Re1 Qb6 (better is 13...Bf3!? 14.Qf3 Qh2 15.Kf1 Qh4+=) 14.d4+/- Nc6 15.h3 Nf6 16.Be6 fe6 17.Re6 Be7 18.d5 0-0-0 19.Qb3 Bd6 20.dc6 Bc6 21.Rc1 Kb7 22.Ne5 Bd7? (22...Be5 23.Re5 Rd2 24.Re7 Ka8 25.Nd1+-) 23.Nd7 (23.Rf6 gf6 24.Nd5 fe5 25.Nb6 Bc6+-) 23...Rd7 24.Ne4 Ne4 25.Qd5 Kb8 26.Qe4 (26.Re4?? Bh2 27.Kh2 Rd5 28.Bg7 Rg8-+) 26...Rf8 27.Re8 Re8 28.Qe8 Rd8 29.Qe4 g6 30.Rc6 Qb7 31.Be5 Be5 32.Qe5 Ka8 33.Rc7 (33.Qc5 Qa7 34.Rb6 Rd1 35.Kh2 Qd7 36.Ra6 Kb8 37.Rb6 Ka8 38.Qf8 Qd8 39.Qf3 Qd5+-) 33...Qb6 34.Qe7 (better is 34.Rh7!? Qd4 35.Qc7 Qd1 36.Kh2 Qd6 37.Qd6 Rd6 38.h4+-) 34...Rd1+/- 35.Kh2 Qd6 (better is 35...Kb8!? 36.Rc5 Qd6 37.Re5 Rd2+-) 36.Qd6+- Rd6 37.Rh7 Rd3 38.Rg7 Ra3 39.Rg6 Ra4 40.Kg3 Kb7 41.Rg4 a5 42.Rg7 Kc6 43.ba5 Ra5 44.f4 b4 45.Re7 b3 46.Re1 b2 47.Rb1 Rb5 48.Kg4 Kd6 49.f5 Ke7? 50.Kg5+- Kf7 51.g4 Kg7 52.h4 Rb4 53.h5 Rb6 54.Kf4 Rb5? 55.g5 Kf7 56.h6 Rb4 57.Kg3 Kf8 58.g6 Kg8 59.h7 Kh8 60.f6 Rg4= ½–½. Manhardt,Thomas – Bonstingl,Georg, AUT–ch U18 Austria, 1993. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5)

5.ed5 Qd5 6.Nc3 Qd8 7.d4 g6 8.Bf4 Bg7 Attacks the isolani on d4 9.Nb5 Na6 10.Nf3 Nf6 11.Bc4 Nd5 12.Qd2 0-0 13.Bh6 Nac7 14.Nc7 Nc7 15.h4 Bg4 (15...b5 16.Be2+=) 16.Bg7+- Kg7 17.Ne5 h5 (17...Be6 18.h5 Rh8 19.Be6 Ne6 20.d5+-) 18.Ng4 hg4 19.h5 Qd6 20.hg6 Qg6 21.Bd3 (21.Qf4 Rac8+-) 21...f5 22.0-0-0 (22.Rc1 Nd5+-) 22...Nd5 23.Rhe1 e6 24.Bc4 Rad8 25.Re5 Nc7 26.Rde1 White prepares d5 26...Rf6 27.Qa5 Rd7 28.Qa7 Qh6 29.Kc2 Qf4 30.d5 (30.R1e2 Qd4 31.Qd4 Rd4 32.Be6 Ne6 33.Re6 Re6 34.Re6 Kf7+-) 30...Nd5+= 31.Bd5 ed5 32.Re7 (32.Kd3 d4 33.Re7 Rf7+-) 32...Rf7= 33.Rf7 Rf7 34.Qe3 (34.Kd3!?+=) 34...Rc7 35.Kb2 Qe3 36.Re3 Kf6 37.Rc3 Rh7 38.f4 gf3 39.Rf3 Ke5 40.Kc3 Ke4 0–1. Salim,Djaffer (1735) – Seraoui,Mohcen (2120), Championnat National Individuel Toutes, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5)

5.ed5 Qd5 6.Nc3 Qe6 7.Be2 Nf6 8.Nf3 Nc6 9.d4 Nd5 10.Bd2 Qd6 11.0-0 e6 12.Re1 Be7 13.Nd5 Qd5 14.Bc3 Bf6 15.Qc2 0-0 16.Bc4 Qh5 17.Ne5 Be5 18.de5+/- b6 19.Re3 h6 20.Rh3 Qg5 21.Qe2 Bb7 22.Rg3 Qh4 23.Rg4 Qe7 24.Bd2 Kh8 25.Bh6 gh6 26.Qe3 f5 27.Rg6 Rg8 28.Rh6 Kg7 29.Rf6 Kh8 30.Qh3 Qh7 31.Rh6 Rg7 32.Rd1 Rag8 33.Rh7 Rh7 34.Qe3 Ne7 35.f3 Nd5 36.Bd5 Bd5 37.Rc1 Rh3 38.g3 Rh4 39.Rc8! Rc8 40.gh4 Kh7 41.Kf2 Rc2 42.Kg3 Rb2 43.Kf4 Rb3+/- 44.Qg1 Rf3 45.Kg5 Kg7?! 46.Kh5 Kf8 47.Qc1 Rf2 48.Qc8 Ke7 49.Qc7 Kf8 50.Kg6 Rg2 51.Kf6 Kg8 52.Qf7 Kh8 53.h5?? f4 54.h6 f3 55.Ke7 Rg8 56.Qf6 Kh7 57.Kf7 f2 58.Qf2 Rg5 59.Ke7 Kh6 60.Kd6 Kh5? 61.Qf7 Kg4 62.Qa7 b5 63.Qh7 Rh5 64.Qg6 Rg5 65.h3! Kh4 66.Qf6 Kh5 67.Qh8 Kg6 68.h4 Rh5 69.Qf6 Kh7 70.Qf4 Ba2 71.Qe4 Rf5 72.Qc2 Bc4 73.a4 Kh6 74.ab5 Bb5 75.Ke6 (75.Ke6 Rf1 76.Ke7+-) 1–0. Toshev,Yury – Filipov,Filip, BUL–ch Sofia, 1948.

5.e5 Bf5 6.Nf3 e6 7.d4 Ne7 8.Nc3 Nec6 9.Be2 Be7 10.0-0 0-0 11.Be3 Nd7 12.Bd3 Bd3 13.Qd3 Na5 14.Nd2 Rc8 15.Rfc1 a6 16.b4 Nc4 17.Nc4 Rc4 18.Na4 b5 19.Nc5 Bc5 20.bc5 Nb8 21.a4 Nc6 22.ab5 ab5 23.Qb3 Qb8 24.Rab1 Rc1 25.Rc1= b4 26.f4 Qb5 27.Ra1 Rb8 28.f5 Na5 29.Qd1= ef5 30.Qf3 b3 31.Bc1? b2-+ 32.Bb2 Qb2 33.Ra5 Qd4 34.Kf1 Rb1 35.Ke2 Qd1 (35...Qd1 36.Ke3 Qc1 37.Kd4 Qc4 38.Ke3 f4 39.Qf4 Rb3 40.Kf2 Qf4 41.Ke1 Qc1 42.Ke2 Qc2 43.Ke1 Rb1) 0–1. Matseyko,K (2300) – Efremova,Y (2085), 3rd UKR Games Women (2), 2007.

5.ed5 Nf6

6.Bb2 Nd5 7.Nc3 Nc6 8.Qf3 Nc7 9.Bc4 Be6 10.Ne4 Bc4 11.bc4 e5 12.Ne2 Be7 13.Qg3+= 0-0 14.Be5 Ne5 15.Qe5 f5 16.N4c3 Bf6 17.Qg3 Ne6 18.0-0 Qd2= 19.Ra2 Qg5 20.Qf3 Rf7 21.Rd1 Re8 22.Rad2 Nc5 23.Rd5 Re5 24.Ng3 Rfe7 25.h3 f4 26.Nge4!+/- Ne4 27.Ne4 Qg6 28.Rd8 Re8 29.Nf6 Qf6 30.Re8 Re8 31.Qb7 Qc3 32.Qd5 Kh8+/- 33.Qe4! Rg8 34.Rd3 Qc1 35.Kh2 h6 36.Qd4 Re8 37.Qd7 Rg8+/- 38.Qf7 Qc2 39.Rf3 g5 40.h4 Qe4 41.c5 Rg7 42.Qf6 Kh7 43.Qd6 Qf5 44.Qd3 Qd3 45.Rd3 Rc7 46.hg5 hg5 47.Rd5 Kg6 48.Kh3 Kh5 49.g3 fg3 50.Kg3 Rb7 51.Rd3 Rc7 52.Rc3 Rc6 53.Rc4 Kg6 54.Kg4 Kf6 55.Rc3 Kg6 56.f4 gf4 57.Kf4 Kf6 58.Ke4 Ke6 59.Kd4 Kd7 60.Rh3 Rg6 61.Kd5 Rg5 62.Kc4 Kc6 63.Rh6 Kb7 64.Rd6 Rg1 65.Rd4 Kc6+/- 66.Rd6 Kb7 67.a4 Rc1 68.Kb4 Rb1 69.Ka5 Rc1 70.Rd7 Kc8 71.Ra7 Rc5 72.Kb6 Kb8 73.Rg7 Rc8 74.a5 Rf8 75.Rg6 Re8 76.a6 Rf8 77.Rh6 Rg8 78.Re6 Rh8 79.Rf6 Rg8 80.Rf5 Rg6+= 81.Kb5 Ka7 82.Re5 Rb6= ½–½. Yakivchik,M (2310) – Dolzhikova,K (2230), TCh–UKR Alushta UKR, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

6.Bb2 Nd5 7.Qf3 A) 7...e6 8.Bc4 (8.Nc3 Nc6 9.Nd5 ed5 10.Ne2 Qg5 11.Rc1) 8...Nb6 9.Bd3 Bd7 10.Be4 Bc6 11.d3; B) 7...Nb6 8.Bb5 (8.Qg3 Nc6 9.Bb5 Qd5 10.Bc6 Qc6 11.Ne2) 8...Bd7 9.Nc3 Nc6 10.Ne4 a6 11.Ng5; C) 7...Nc6 8.Bb5 (8.Bc4 Nf6 9.Qe3 Bf5 10.Bf6 gf6 11.Nf3) 8...a6 9.Bc6 bc6 10.Ne2 Rb8 11.Be5.

6.Bb2 Nd5 7.Nf3 Nc6 8.Bc4 Bg4 9.0-0 e6 10.h3 Bh5 11.Re1 Be7 12.g4 Bg6 13.Bg7 Rg8 14.Bh6 Bb1 15.Rb1 (15.Qb1!? Rg6 16.g5+=) 15...Rg6 16.Be3 h5 17.Bb5 Qd6 (17...Ba3 18.Ne5 Ne3 19.Re3+/- (19.fe3?! Qc7 20.d4 hg4=); 17...Ne3?! 18.Re3 Bd6 19.Bc6 bc6 20.g5=) 18.g5 Ne3 19.de3 Qa3 20.h4 Bf6 21.Bc6 bc6 22.Qc2 Rc8 23.Qe4 Qc5 24.Red1 Qf5 (24...a5!?+=) 25.Qf5+/- ef5 26.Kf1 Bd8 (26...Bg7 27.Rbc1+/-) 27.Nd4+- Bc7 28.Nf5 Rb8 29.f4 Rb4 30.Rd4 Rd4 31.Nd4 (worse is 31.ed4 Bf4 32.Ra1 f6 33.Re1 Kf7+/-) 31...c5 32.Nb5 Bb8 33.Rc1 Rc6 34.Nd4! Rc8 (34...cd4 35.Rc4) 35.Nf5 Kd7 36.Ng7 (36.Rd1 Kc7+-) 36...Bd6 (better is 36...Kc6+-) 37.Rd1 Kc6 38.Nh5 Rh8 39.Ng3 a5 40.h5 Rb8 41.Nf5 Bf8 42.h6 1–0. Muzychuk,Anna (2375) – Tairova,Elena (2240), EU–ch U14 Girls, 2004. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

6.Bb5 Bd7 7.Bc4 g6 8.Bb2 Bg7 9.Nc3 0-0 10.a4 Bg4 11.f3 Bc8 12.Nge2 b6 13.b4 Bb7 14.Qb3 a5 15.b5 Nbd7 16.d4 Rc8 17.Ba3 Ne8 18.0-0 Nd6 19.Bd3 Nf6 20.Kh1 Rc7 21.Ne4 Nd5 22.Nd6 ed6 23.Be4 Ne7 24.Rad1 Re8 25.d5 Nf5 26.Qd3 Bc8 27.Rc1 Rc1 28.Rc1 Bd7 29.Qb3 Qg5 30.Rc7 Qd2 31.Ng1? Ne3-+ 32.Rc2 Nc2 33.Bc2 Re1 (33...Re1 34.Bc5 Bd4 35.Qb1 Bh3 36.gh3 Bg1 37.Bd6 Bc5 38.Qe1 Qe1 39.Kg2 Qg1) 0–1. Kravtsiv,M (2445) – Kuzubov,Y (2555), 75th ch–UKR m (2), 2006.

6.Bb5 Bd7 7.Bc4 g6 8.Nc3 Bg7 9.Nge2 0-0 10.0-0 Na6 11.d4 Nc7 12.Bf4 Bf513.Bc7 Qc7 14.Ng3 Ng4 15.Nce4 Qf4 16.Qf3 Qf3= 17.gf3 Be4 18.Ne4 Nf6 19.d6+= e6 20.Rad1 Rfd8 21.d5 Ne4 22.fe4+= e5 23.Be2 Bf8= ½–½. Kravtsiv,M (2460) – Ipatov,A (2285), ch–UKR U20 Lviv UKR (6), 2007.

6.Bb5 Bd7 7.Bd7 Qd7 8.Nf3 Nd5 9.0-0 Nc6 10.Nc3 0-0-0 11.Bb2 Nf4 12.d4 Qg4 13.g3 h5 14.Kh1 Nd5 15.Rc1 Kb8 16.Re1 f6 (16...e6 17.Ne5 Ne5 18.de5=) 17.b4 (17.Nd5 Rd5 18.Qe2 g5+=) 17...Nc3 18.Rc3 e5 (worse is 18...Nd4 19.Rd3 e5 20.Bd4 ed4 21.Nd4 Qd1 22.Rdd1+/-) 19.Rce3 ed4 20.Re4 Qf5 21.Nd4 Nd4 22.Rd4 Rc8 23.Rd5 Qf2 24.Bc1 g5 25.Re8 Be7?? (25...Qb6 26.Be3 Qc6 27.Ba7 Ka7 28.Rc8 Qc8 29.Qd4 Kb8+-) 26.Rh8?? (better is 26.Re7 Rc2 27.Rd2 Rd2 28.Bd2+-) 26...Rh8+= 27.Rd7 h4 28.Re7 hg3 29.Rb7 Kb7 30.Qd5 Kc7 31.Qf7 Kd8 32.Qd5-+ Ke7 33.Qb7 Kf8 34.Qc8 Kg7 35.Qd7 Kg6 36.Qd3-+ Qf5 37.Qg3 Qf1 38.Qg1 Qf3 39.Qg2 Qd1 40.Qg1 Rd8 41.Be3 Qf3 (41...Qf3 42.Qg2 Qe3 43.Qc2 f5-+) 0–1. Strater,Heinz (2005) – Kaspret,Guido (2295), Neumarkt am Wallersee AUT, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 b3 4.cb3= d5 5.ed5 Nf6)

6.Bb5 Nbd7 7.Nc3 a6 8.Bd7 Qd7 9.Qf3 b5 10.Nge2 Bb7 11.Nf4 Rd8 (11...g5 12.Nd3 g4 13.Qg3 Bd5 14.Nd5 Qd5 15.Bb2=) 12.0-0 Nd5 13.Ncd5 Bd5 14.Qg3 f6 (14...Qf5 15.b4=) 15.Bb2 Bf7 16.d4 g6 17.h4 (17.Nd3 Qc8 (17...Bb3?? 18.Nc5 Qd5 19.Nb3+-) 18.Nc5 Rd6+/-) 17...Bg7 (17...Qd6 18.Qc3 Bg7 19.Nd3=) 18.h5 (18.Rfe1 f5=) 18...g5 (18...Bh6 19.Rae1=) 19.h6 (better is 19.Nd3!? f5 A) 20.Qg5?! Rg8 (20...Bd4? 21.Bd4 Qd4 22.Rfe1+-) 21.Qe3 Bd4 22.Bd4 Qd5=; B) 20.Rfe1+=) 19...Bh6 (better is 19...gf4 20.hg7 Rg8 21.Qf4 Rg7+=) 20.Qh2?? (better is 20.Nd3 g4 21.Nc5=) 20...gf4-+ 21.Qh6 Qg4 22.f3-/+ Qg5 23.Qg5 fg5 24.Rfe1 Bb3-+ 25.Rac1 Bc4 26.a4 Kf7 27.ab5 ab5 28.Ba3 e6 29.Bb4 h6 30.Ra1 Ra8 31.Kf2 Ra4 32.Ra4 ba4 33.Ra1 Ra8 34.g3 fg3 35.Kg3 Kg6 36.f4 Bb3 37.fg5 hg5 38.Kg4 Rh8 39.Bc5 Rh4 40.Kg3 Kf5 41.Re1 Rg4 42.Kh3 Re4 43.Rf1 Rf4 44.Re1 Rf3 45.Kg2 Bd5 46.Kg1 a3 47.Be7 a2 (47...a2 48.Ra1 Rh3-+) 0–1. Zhdanov,Vladimir – Abrashkin,Boris (2370), Samara–ch, 2001. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

6.Bb5 Nbd7 7.Nc3 a6 8.Be2 =.

6.Bb5 Nbd7 7.Nc3 g6 8.Bb2 Bg7 9.Qc2 0-0= 10.Nge2 Nb6 11.Ng3 Nbd5 12.h4 Nf4-/+ 13.Nce2 Ng2-+ 14.Kf1 Qb6 15.Bc4 Ng4 16.Ne4 Bf5 17.Bg7 Be4 18.Bd4 Qc6 19.Qc3 N2e3!! 20.de3 Bh1 21.Nf4 b5 22.Be2 Nh2 23.Kg1-/+ Nf3 24.Kh1 Nd4 25.Qc6 Nc6 26.Bb5 Ne5 27.Rg1 Rab8 28.Ba4 Rfd8 29.h5 Kg7 30.b4 Rd2 31.hg6 hg6 0–1. Berger,C (2080) – Andrianov,N (2435), Foxwoods Open (2), 2001.

6.Bb5 Nbd7 7.Nc3 g6 8.Bb2 Bg7 9.d6 0-0 10.Nf3 (10.de7 Qe7 11.Nge2 Rd8+=) 10...ed6 11.0-0 a6 12.Be2 b5 13.b4 Bb7 14.a4 ba4 15.Na4 Re8 16.Ra3 Nd5 17.Bg7 Kg7 18.Bc4 Qf6 19.Bd5 Bd5 20.Re3 Bf3 21.Rf3 Qd4 22.Qa1 Qa1 23.Ra1 Rab8 24.Rf4 Ne5 25.h3 Nd3 Attacking the isolated pawn on b4 26.Rd4 Nb4 27.Rd6 Red8 28.Rd8 Rd8 29.Nc5 Exerts pressure on the isolated pawn 29...Rd2 30.Na6 (30.Ra4 Rc2 31.Na6 Nd3=+) 30...Nd3-/+ 31.Rf1 Rc2 32.g3 f5 33.Kg2 f4 34.Kf3 g5 35.h4 gh4 36.gf4 Rc4 37.Rh1 (37.Rb1 h3-/+) 37...h3 (37...Rf4!? 38.Ke3 Nf2 39.Rg1 Kf6 40.Kf4 Nh3 41.Kg4 Ng1 42.Kh4 Kg6-/+) 38.Rh3=+ Rf4 39.Ke3 Ra4 40.Rg3 Kf7 41.Kd3 ½–½. Bonafede,Alessandro – Mogranzini,Roberto, 3rd Spoleto Italy, Team Championship, 2011. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

6.Nc3 g6 7.Bb2 Bg7 8.Bc4 0-0 9.Nge2 Nbd7 10.Nf4 Nb6 11.Qf3 Bg4 12.Qg3 Bf5 13.0-0 Nc4 14.bc4 Qb6 15.Na4 Qa5 16.Nc3 Qb6 17.Na4 Qa5 18.Nc3 Qb6 19.Na4 Qa5 20.Nc3 Ne4 21.Ne4+= Bb2 22.Rae1 Be4 23.Re4+= Qa3 24.Re3 Qd6 25.Rfe1 Rfe8 26.Nd3 Qg3= 27.hg3 Bf6 28.d6 e6 29.Rf3 Bg7 30.c5 Red8 31.Ne5 Be5 32.Re5 b6 33.d4+= Rac8 34.Kf1 Rc6 35.Ke2 bc5 36.dc5+/- Rb8 37.Ra3 a6 38.Kd3 Kf8 39.Kc4 Ke8+= 40.g4 Kd7 41.Rf3+/- Ke8 42.g5 Rb2 43.g4 Rc2+= 44.Kd4 Rd2 45.Ke3 Rc2 46.d7+= Kd7 47.Rf7 Ke8 48.Rh7 R2c5 49.Rc5 Rc5 50.f4 Kf8 51.Ra7 e5? 52.f5+- Rc4 53.Ra8 Kf7 54.Ra6 Rg4 55.Rf6 Kg7 56.Rg6 Kf7 57.Rf6 Kg7 58.Ra6 Rg5 59.Ke4 Rg2 60.Ke5 Re2 61.Kd5 Kf7 ½–½. Zherebukh,Y (2155) – Kruglyakov,P (2215), TCh–UKR Alushta UKR (9), 2005.

6.Nf3 Nd5 7.Bb5 Bd7 8.Bd7 Qd7 9.0-0 Nc6 10.d4 e6 11.Be3 Be7 12.Qd3 0-0 13.Nbd2 Rfd8 14.Rfd1 Rac8 15.b4 Nb6 (15...a5 16.ba5 Na5 17.Ne4+=) 16.Nb3 Qd5 17.Nc5 Bc5 18.bc5 Nd7 19.Rab1 (better is 19.Qb5!?=) 19...Nc5!-/+ 20.Qb5 b6 0–1. Verellen,Jef (1790) – Jansen,Ru (2165), 27th Geraadsbergen Open, 2011. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.ed5 Nf6)

6.Nf3 Nd5 7.Nc3 Nc3 8.dc3 Qd1 9.Kd1 Nc6 10.Be3 Bf5 11.Kc1 0-0-0 12.Kb2 e5 13.Ng5 Rd7 14.Bc4 Nd8 15.Rad1 (worse 15.Ba7 b5 16.Bb5 Ra7-/+) 15...f6 16.Rd7 Bd7 17.Ne4 b6 18.Rd1 Nb7 19.b4 Kc7 20.f4 (20.Bd5 Nd6+=) 20...Nd6 21.Bd3 Bc6 22.Nd6 Bd6 23.g3 h5 24.h4 Bf3 25.Rd2 Rd8 26.Bg6 Bg4 27.c4 ef4 28.gf4 (28.Bf4?? Bf4 29.Rg2 Be5 30.Kc2 Bd1 31.Kc1 Bf3-+) 28...Be7 29.Rd8 Bd8 30.Kc3 f5 31.Bf2 Bf6 32.Kc2 Kd6 33.Bf7 Bf3 34.Be8 Kc7 35.Ba4 Be4 36.Kc1 a5 37.Bc2 (37.ba5 ba5 38.Be8 Bf3=) 37...ab4 38.ab4 Be7 39.b5 Bc2 40.Kc2 Bc5 (better 40...Bd6 41.Bg3 Bc5=) 41.Bc5+- bc5 42.Kc3 Kb6 43.Kb3 Ka5 44.Ka3 Kb6 45.Ka4 g6 46.Kb3 Kb7 47.Ka3 Ka7 48.Kb2 Kb7 49.Kc2 Ka7 50.Kd3 Kb7 51.Ke3 Ka7 52.Kd3 Kb7 53.Ke3 Ka7 54.Kd3 ½-½. Golubka,P (2495) - Isajevsky,A (2400), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

6.Nc3 Nd5

7.Bb2 Nc6 8.Bc4 Be6 (8...e6 9.Nf3 Be7 10.0-0 Nb6 11.Bb5 0-0) 9.Nf3 Nf4 10.0-0 Bc4 11.bc4 Qd3.

7.Bb2 Nc6 8.Nd5 Qd5 9.Qf3 Be6 10.Bc4 Qd6 11.Rd1 Rd8.

7.Bb2 Nc6 8.Nf3 e6 9.Nd5 Qd5 10.Bc4 Qe4 11.Be2 Be7 12.0-0 0-0 13.Re1 Qg6 14.d4 Bf6 15.Bd3 Qh5 16.Re4 Rd8 The pressure on the isolated pawn grows 17.Qe2 (17.Ne5 Qd1 18.Rd1 Rb8+=) 17...Bd7 18.Rd1 Be8 19.Rf4 Ne7 20.g4 Qh6 21.Bc1 Nd5 22.Rf6 (better 22.g5!? Bg5 23.Rh4 Bc1 24.Bh7 Kf8 25.Rh6 Bh6 26.Qe1=) 22...Qf6-/+ 23.Bg5 Nf4?? (23...Nc3 24.Qe4 Ne4 25.Be4 Qg5 26.Ng5 h6-+) 24.Qe3 (better 24.Qf1 Bc6 25.Bf6 gf6 26.Ne1+-) 24...Nh3-+ 25.Kg2 Ng5 26.Ng5 h6 27.Nf3 Bc6 28.Be4 Be4 29.Qe4 Rd5 30.h4 (30.Rc1 Qe7 31.Qf4 Rad8-+) 30...Rad8 31.Rd3 g6 32.Rc3 h5 33.gh5 Rh5 (33...gh5 34.Rc7-+) 34.Qb7-/+ Qf4 (34...a5 35.Kf1-/+) 35.Rc4 (better 35.Qa7!? Qe4 36.Qe7=+) 35...Qg4 36.Kf1 Rhd5 37.Ne5?? (37.Rc3 a5-/+) 37...Qf5 (better 37...Qh3 38.Ke2 Re5 39.Kd2 Qh4-+) 38.Rc3? (better 38.Nc6 Rb5 39.Qc7 Qb1 40.Kg2 Qe4 41.f3 Qe2 42.Kg3-/+) 38...Rd4-+ 39.Rf3 (39.Qc7 R8d5 40.Nf3 Re4-+) 39…Rf4 (39...Rf4 40.Rf4 Qf4-+) 0-1. Shirazi,K (2355) - Shkapenko,P (2420), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

7.Bb2 Nf4 8.Qf3 e5 9.Bb5 Nd7 10.Nge2 Ne6 11.Qd5 a6.

7.Bb2 Bf5 8.Nf3 (8.Bb5 Nc6 9.Nf3 Nf4 10.0-0 Nd3 11.Bd3 Bd3; 8.Bc4 Nc3 9.dc3 Nc6 10.Ne2 e6 11.Ng3 Bg6; 8.Nd5 Qd5 9.Nf3 Nc6 10.Rc1 e5 11.Bc4 Qe4) 8...Nc6 (8...Nf4 9.d4 e6 10.Bb5 Nc6 11.Ne5 Rc8) 9.Nd5 Qd5 10.Rc1 e5 11.Bc4 Qe4.

7.Bc4 Nc3 8.dc3 Qd1 9.Kd1 Nc6 10.Ke2 Bd7 11.Be3 (11.Bd3 Rc8 12.Bd2 e5=) 11...Na5=+ 12.Bd5 e6 13.Bf3 Nb3 14.Rb1 Na5 15.a4 (better 15.Bd4!?-/+) 15...Ba4-+ 16.Nh3 Be7 (16...a6 17.Rb6 Bb5 18.Rb5 ab5 19.Ra1-+) 17.Nf4 Bb3 18.Rhc1 Ba2 19.Ra1 Bc4 20.Ke1 Bd8 21.Rcb1 0-0 22.Bb7 Nb7 23.Rb7 a5 24.Bc5 (24.Ra4 Rc8-/+) 24...Re8 25.f3 (25.Ra4 Ba6 26.Rb3 Rc8-/+) 25...Bf6-+ 26.Kd2 (26.Ne2 a4-+) 26...Red8 (26...Bg5 27.Be3 Red8 28.Kc2-+) 27.Kc2 a4 28.Ba3 (28.Be3 Bb3 29.Kb2 Rab8 30.Rb8 Rb8-+) 28…Bb3 (28...Bb3 29.Rb3 ab3 30.Kb3 Rdb8 31.Kc2 Rb5-+) 0-1. Cioara,A (2415) - Artemiev,V (2715), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

7.Qf3 Nc3 8.Qc3 (8.dc3 Nc6+= (8...Nd7 9.Be3 Qa5 10.b4 Qc7 11.Rc1 g6) 9.Bc4 e6 10.Bf4 Bd7 11.Qg3 Rc8; 8.Bc4 e6 9.dc3 Bd6 10.Bf4 0-0 11.Rd1 e5) 8...e6 (8...Nc6 9.Nf3= Bf5 10.Ne5 Qd5 11.Nc6 Qc6) 9.Bb2 Nd7 (9...Bd7 10.Nf3= Bc6 11.Ne5 a6; 9...Nc6 10.Nf3 f6 11.Bc4 Bd6) 10.Nf3+= Qf6 (10...Nf6 11.Ne5+= a6) 11.Qc2 (11.Rc1 Qc3) 11...Qg6 (better is 11...Qh6+=) 12.Bd3 (better is 12.Qg6 hg6 13.Rc1+=) 12...Qg2-/+ 13.Ke2 Bc5 14.Raf1 (better is 14.Rhf1-/+) 14...b6?? (better is 14...Bf2 15.Ne1 Be1 16.Ke1 e5-/+) 15.Rhg1+/- Qh3 16.Rg7 Rf8 17.Rfg1 Bb7? 18.Be4+- Be4 19.Qe4 Rd8 20.R7g5?? e5 21.R1g4 Qh6?? 22.Ne5+- Qe6 23.Nf7! (23.Nf7 Qe7 24.Qe7 Be7 25.Nd8 Bg5 26.Ne6+- (26.Rg5?! Kd8 27.Rg7 Re8 28.Kd3 Re7+-); 23.Qh7?! Nf6 24.Qf5 Ng4 25.Qe6 fe6 26.Ng4 Bd4 27.Bd4 Rd4+=) 1–0. Zherebukh,Y (2155) – Averjanov,A (2380), TCh–UKR Alushta UKR, 2005.

7.Qf3 Nf6 8.Bb5 Nbd7 9.d4 g6 (9...a6 10.Bc4=) 10.Qe2 (10.Nge2 a6 11.Bd3 Bg7+=) 10...Bg7 11.Nf3 0-0 12.0-0 a6 13.Bd3 Nb6 14.h3 Be6 15.b4 Rc8 16.Bd2 Bc4 17.Rac1 Bd3 18.Qd3 Nc4 19.Na4 b5 20.Nc5 e5 (20...Nd5 21.Rc2=) 21.de5+= Qd3 22.Nd3 Nd7 23.Bf4 Na3 24.Rfe1 Nc4 25.e6 fe6 26.Re6 Ndb6 27.Be3 Ne3 (27...Nd5 28.Ra6 Nde3 29.fe3=) 28.Rc8= (worse 28.Re3 Rc1 29.Nc1 Nd5=+) 28...Rc8 29.Rb6 Nc2 30.Ra6 Rd8 31.Nc5 (31.Rc6+=) 31...Nb4 (better 31...Rb8!?=) 32.Rb6+/- Bf8 33.Rb5 Rd1 34.Kh2 Bd6 35.g3 Bc5 36.Rc5 Nd3 37.Rc8 Kg7 38.Rc7 Kg8 39.Kg2 Ne1 (39...h6 40.g4+/-) 40.Ne1 Re1 41.g4 g5 42.Rc5 h6 43.h4! gh4 44.Rh5 Kg7 45.Rh4 Kg6 46.Rh5 Ra1 47.Rb5 Ra4 48.Kg3 Rc4 49.Rb6 Kg7 50.f4 Rc3 51.Kh4 Rc1 52.f5 Rh1 53.Kg3 Rf1 (53...h5 54.Rg6 Kf7 55.g5+/-) 54.Rb7+- Kg8 55.Ra7 h5 56.Kh4 hg4 57.Kg4 Rb1 58.Kg5 Rb6 59.f6 Rb1 60.Kg6 Rg1 61.Kf5 Rf1 62.Kg6 Rg1 63.Kf5 Rf1 64.Ke4 ½-½. Riha,Vojtech (2305) - Stinka,Jakub (2260), ch-CZE Junior, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

7.Qf3 Nf6 8.Bc4 Nc6 9.Nge2 Bg4 10.Qe3 e6 11.0-0 Be7 12.Bb2 0-0 13.Nf4 (13.Rfe1 Bf5 14.h3 Rc8=) 13...Na5 (better 13...Bf5=+) 14.Ne4 (better 14.d3!?=) 14...Ne4-/+ 15.Qe4 Nc4 16.bc4 Qd2 17.Bc1 Qd7 18.Bb2 Bf5 19.Qf3 Rfd8 20.Qg3 Bf8 21.Rfe1 Rac8 22.Nh5 (22.Rac1 Qd6-+) 22...Bg6 23.Bf6? (better 23.Nf4-+) 23...Bh5 24.Bd8 Qd8 25.Re4 (25.Qh3 Bg6-+) 25...Bg6 26.Rg4 (26.Ree1 Rc4 27.Rad1 Qa5-+) 26...h5 (26...Bf5 27.Rf4-+) 27.Rg5 Rc4 28.Re1 (28.Rg6 fg6 29.Rf1 Rg4-+) 28...Qf6 (28...Qd2 29.Qe3 Qe3 30.fe3-+ (30.Re3?? Rc1 31.Re1 Re1)) 29.h4 (29.Rb5 Rc3 30.Qb8 Ra3-+) 29...Rc2 30.Re3 (30.Rf1 b6-+) 30...Rc1 (30...Bd6 31.Rge5-+) 31.Kh2 Qa1 (31...Qd4 32.f4-+) 32.Qb8 (32.Qf4 Be7 33.Kg3 Bg5 34.Qg5 Rc4-+) 32...Rh1 33.Kg3 Qg1 (33...Qd4!? 34.Kf3 Bf5 35.Re2-+) 34.Kf3 (34.Qc8 Qh2 35.Kf3 Qh4 36.Rg6 Rf1 37.Rg7 Kg7 38.Qc3 Kg8-+) 34...Rh4 (34...Bf5 35.Rf5 Qd1 36.Re2 Qd3 37.Re3 Qf5 38.Qf4 Qf4 39.Kf4 Rh4 40.Kf3-+) 35.Rg6 (35.Qd8 Rc4 36.Rg6 fg6 37.Qd7-+) 35...fg6 36.Re6 Qd1 37.Re2 (37.Ke3 Qb3 38.Ke2 Qe6 39.Qe5 Qe5 40.Kd3 Qd5 41.Kc3 Rc4 42.Kb3 Qd3 43.Kb2 Qa3 44.Kb1 Rc1) 37...Qd5 38.Kg3 (38.Ke3 Qb3 39.Kd2 Rd4 40.Ke1 Rd1) 38…Rg4 (38...Rg4 39.Kh2 Qg2) 0-1. Hajek,Ji3 (2040) - Michalik,P (2570), Vera Menchik Mem Rapid, 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3)

7.Nf3 Nc6 8.Nd5 Qd5 9.d4 Bg4 10.Bc4 Qe4 11.Be3 e6.

5.e5 Nc6

6.Bb2 a6 A) 7.b4 d4 (7...Bf5 8.Nf3 e6 9.b5 ab5 10.Bb5 Bc5; 7...Nh6 8.Nf3 Bg4 9.h3 Bf3 10.Qf3 e6) 8.b5 Ne5 9.Qa4 Nd7 10.Bd4 e5; B) 7.d4 Bf5 8.Nf3 Rc8 9.Bd3 Nh6 10.0-0 e6; C) 7.Nf3 d4 8.Bc4 b5 9.Be2 d3 10.Bf1 Bf5.

6.Bb2 d4 7.Nf3 (7.Bb5 Qd5 8.Bc6 bc6 9.Nf3 Qe4 10.Qe2 Qe2) 7...a6 8.Bc4 b5 9.Be2 d3 10.Bf1 Bf5.

6.Bb2 Bf5 7.Nf3 (7.Ne2 d4 8.Ng3 Bg6 9.Bb5 Qd5 10.Bc6 bc6) 7...e6 (7...a6 8.Nh4 Bd7 9.Be2 d4 10.0-0 Be6) 8.Bb5 Qb6 (8...Nge7 9.Nd4 Bg6 10.Nc3 a6) 9.Nc3 (9.Ba4 Bc5 (9...Bd3 10.Bd4 Qa6) 10.d4 Be7=) 9...Nge7 (9...d4 10.Bc6 Qc6 11.Nd4 Qg2 12.Qf3 Qf3 13.Nf3=) 10.Qe2 (10.0-0 d4 11.Bc6 Nc6=+ (< 11...bc6 12.Na4 Qb5 13.Bd4+/-)) 10...a6=+ 11.Ba4 Ng6 12.0-0 Rc8 13.d4 Be7 14.Qe3= 0-0 15.b4 Rc7 16.Rfc1= Qa7 17.Bc2 Bc2 18.Rc2 Rfc8 19.Rac1 b5 20.Qd3 Bb4 21.Nb5 ab5 22.ab4 Qb6 23.Bc3= Nce7 24.Bb2 Rc2=+ 25.Rc2 Rc4 26.Nd2 Rb4-/+ 27.h4 h5 28.Qf3 Qa6 29.Ba3? Rd4-+ 30.g3? b4 31.Bb2 Rd3 32.Qd1 b3 33.Rc3 Ne5 34.Rd3 Nd3 35.Qb3 Nb2 36.Qb2 Qe2 37.Qc3 Nf5 38.Nf3 f6 39.Kg2 Kh7 40.Qc5 Qe4 41.Qa7 0–1. Yakivchik–Hrabinska,Myroslava (2310) – Zubarev,Alexander1 (2510), TCh–UKR Alushta UKR, 2005. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

6.Bb2 Bf5 7.Nf3 e6 8.Nc3 a6 9.Rc1 Rc8 10.d4 Na5 11.Be2 Ne7 12.0-0 Ng6 13.g3 Be7 14.Nd2 Bh3 15.Re1 Bg5 16.Na4 0-0 17.Rc8 Qc8 18.Bc3 Nc6 19.Nc5 Be7 20.b4 a5 21.Qb3 b6 22.Na4 Qc7 23.Rc1?? (better is 23.b5 Nd8 24.Bd3=) 23...Nd4!-+ 24.Qd1 (24.Bd4 Qc1) 24...Ne2 (24...Qe5?! 25.Bd3 Bf5 26.Bf1 ab4 27.ab4-/+) 25.Qe2 ab4 26.ab4 Bb4! 27.Bb2 Qa7 28.Ra1 Qb8 29.Nb3 b5 30.Nac5 Bc5 31.Nc5 Rc8 32.Bd4 Ne7 33.g4 h5! 34.f3 Nc6 35.Qe3 Nd4 36.Nd7 Qc7 37.Nf6 gf6 38.ef6 Qc2 39.Ra2 Nf3! (39...Nf3 40.Qf3 Qa2 41.Qh3 Qa7 42.Qe3 Qe3 43.Kf1 Rc1 44.Kg2 Rg1) 0–1. Hrabinska,Myroslava (2250) – Aksionova,Tatiana (2235), Evpatoria tt U20 Girls, 2006. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

6.d4 Qb6 7.Bb2 Bf5 8.Bd3 Bd3 (8...Nd4?? 9.Bd4 Qg6 10.Bf5 Qf5 11.Nc3+-) 9.Qd3 e6 10.Ne2 Nh6 11.0-0 Be7 12.b4 0-0 13.Nbc3 Qd8 14.Rac1 Qd7 15.Nd1 Rfb8 16.Ne3 b5 17.Rc3 a6 18.Rfc1 Rc8 19.Qc2 Na7 20.Rc7 Qd8 21.Nf4 g6 22.Nd3 Kf8 23.Rc8 (23.g4 Rc7 24.Qc7 Qc7 25.Rc7 Bd8+-) 23...Rc8+= 24.Nc5 Bc5 25.dc5 Nc6 26.Qd2 (26.f4 Qh4 27.g3 Qh5+=) 26...Qg5 (26...d4 27.Nc2 Nf5 28.Qf4=) 27.Qe2 Rd8 28.g3 Qe7 (28...d4 29.f4 Qe7 30.Nd1=) 29.Rd1 Rb8 (29...Nf5 30.Ng4 Qc7 31.Nf6+=) 30.Qf3 a5 31.Bc1 Ng8 (31...Ne5? 32.Qf4 Qg5 33.Qg5 Nf3 34.Kg2 Ng5 35.Nd5 ed5 36.Bg5+-; worse 31...ab4 32.Nd5 ed5 33.Bh6 Kg8 34.ab4 (34.Qd5? Rd8 35.Qf3 Rd1 36.Qd1 ba3-+) 34...Nb4 35.Kg2+-) 32.Ng4 (better 32.Nc2!?+=) 32...h5=+ 33.Nf6 Ne5 34.Nh7 Kg7 35.Qf4? (better 35.Qc3!? f6 36.Ng5 ab4 37.ab4-/+) 35...Nc6-/+ (worse 35...Kh7 36.Qe5 Rc8 37.ba5 Rc5 38.Bb2+=) 36.Ng5 f6 (better 36...Nf6-/+) 37.Qc7= fg5 (better 37...Qc7!? 38.Ne6 Kf7 39.Nc7 ab4=) 38.Qc6+- g4 39.Bf4 Rb7 40.ba5 (better 40.Be5 Kf7 41.Rd5 (41.ba5?! Qd7 42.Qd7 Rd7+-) 41...ed5 42.Qd5 Ke8 43.Qg8 Qf8 44.Qe6 Re7 45.Qc8 (45.Qg6?! Qf7 46.Qc6 Rd7+-) 45...Kf7 46.Qf8 Kf8 47.Bd6 ab4 48.ab4+-) 40...Nf6?? (better 40...Qd7 41.Qd6 Ra7+-) 41.a6+- Rd7 42.Qb5 Ne4 (42...Qf7+-) 43.c6 Ra7 44.Bb8 (44.Bb8 Kh6 45.Ba7 Qa7 46.Qb2+-) 1–0. Riha,Vojtech (2215) – Bulockin,Martin (2095), ch–CZE Junior (10), 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

6.d4 Qb6 7.Bb2 Bf5 8.Nf3 e6 9.Nc3 Nge7 10.b4 Ng6 11.Na4 Qc7 12.b5 Na5 13.Rc1 Nc4 14.Bc4 dc4 15.d5 (15.0-0!?=) 15...ed5 16.Nc3 (16.Qd5 Nf4 17.Qc4 Ng2 18.Ke2=) 16...Rd8-+ 17.Nd5 Qc5 18.0-0? (better 18.b6 Qa5 19.Bc3 Qd5 20.Qd5 Rd5 21.ba7-+) 18...Rd5 19.Qa4 Qb5 20.Qa7 (20.Qc4 Qb2 21.Qd5 Nf4-+ (21...Ba3?! 22.Rc7 0-0 23.Rb7-/+)) 20...Qc5 (better 20...Bc5 21.Qb8 Rd8 22.Qd8 Kd8-+) 21.Qb8 Rd8 22.Qb7 Be7 23.Bd4 Qd5 (better 23...Rd4!? 24.Nd4 Qd4 25.Rfd1-+) 24.Rfd1?? (better 24.Qd5 Rd5 25.Rc4-+) 24…Qb7 0-1. Grabinsky,V (2215) - Peycheva,Gergana (2255), Titled Tuesday, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

6.d4 Qb6 7.Bb2 Bf5 8.Nf3 e6 9.Nbd2 Be7 10.Be2 Nh6.

6.d4 Qb6 7.Bb2 Nh6 8.Nc3 Bg4 (8...Qd4? 9.Nd5 Qd1 10.Rd1+-; worse is 8...Nd4 9.Na4 Qb3 10.Bd4 Qd1 11.Rd1+-) 9.f3 Be6 10.Na4 Qd8 11.Rc1 Nf5 12.Kf2 h5 13.Rc5 (13.Nc5!?+/-) 13...h4 (13...Bd7!? 14.Ne2 e6+=) 14.Nh3= Bd7 15.Rd5 (15.Be2!?+=) 15...e6-/+ 16.Rb5 (better is 16.Rd7 Qd7 17.d5 ed5 18.Qb1-/+) 16...a6?? (better is 16...Ncd4 17.Rb7 Ba4 18.ba4 Bc5-+) 17.Rb7= Na5?? (better is 17...Ncd4 18.b4 Bc6=) 18.Rd7!+- Kd7 19.b4 Nc6 20.d5 Ke8 21.b5?? Na7?? 22.b6+- Nb5 23.d6 f6 24.f4 fe5 25.fe5 Nfd6 26.ed6 Bd6 27.Bg7 Rf8 28.Bf8 Bg3 29.hg3 Qf6 30.Nf4 Rd8 31.Qh5 Kf8 32.Qc5 Kg8 33.Rh4 Rd2 34.Be2 Re2 35.Ke2 Nd4 36.Kd1 (36.Kd1 Nf5 37.Qc8 Kf7 38.Rh7 Ng7 39.Rg7 Kg7 40.Nh5 Kg6 41.Nf6 e5 42.b7 e4 43.Qg8 Kf6 44.b8Q e3 45.Qd6 Kf5 46.Qgg6) 1–0. Ayza Leon,David (2300) – Perez Pastora,Evarist (2245), Barcelona ESP, 3rd Barri Gotic Open, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 b3 4.cb3= d5)

6.d4 Qb6 7.Ne2 Bg4 (7...Bf5 8.Nbc3 e6 9.Be3 Rc8 10.Ng3 Bg6) 8.Nbc3 e6 9.f3 Bf5 10.Be3 Ne5.

6.d4 Bf5 7.Bb2 e6 8.Bd3 Nh6 9.Ne2 Be7 10.h3 Qb6 11.g4 Bd3 12.Qd3 f6 13.ef6 Bf6 14.0-0 Nf7 15.Kg2 0-0 16.f4 Nd6 17.Nd2 a5 18.Rac1 Qa6 (18...a4 19.Qe3 Rae8 20.Qd3-/+) 19.Qe3 (19.Qa6!? Ra6 20.Rc5=) 19...Rae8+= 20.a4 (20.Ng3!?+=) 20...Nf5!-/+ 21.Qf2 (21.gf5 ef5 Combination) 21...Qd3 22.gf5 Qd2 23.Ng3 Qf2 (23...Qb4!?-+) 24.Rf2-/+ Bh4 25.fe6 Re6 26.f5 Bg3 27.Kg3 Re3 28.Rf3 Rf3 29.Kf3 Rf5 30.Kg3 Kf7 31.Rc5 Ke6 32.Rb5 Rf7 33.Bc3 g5 34.Ba5 Nd4-+ 35.Rb6 Kf5 36.Bd2 h5 37.b4? h4 38.Kf2 Ke4 39.Kg2 Kd3 40.Bc1 Ne2 41.Bb2 d4 42.a5 Nf4 43.Kh2 Nd5 44.Rd6 Rf2 45.Kg1 Rb2 46.Rd5 Kc4 47.Rd7 Rb4 0–1. Forster,Richard (2445) – Bauer,Christian (2620), SUI–chT Switzerland, 2008. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

6.d4 Bf5 7.Nf3 e6 8.Bd3 Nge7 9.Be2 h6 10.0-0 Rc8 11.Nc3 a6 12.Na4 Ng6 13.Be3 Be7 14.Qd2 0-0 15.b4 Bg4 16.Rfc1 Bf3 17.Bf3 Nh4 18.Bg4 Nf5 19.Bf5 ef5 20.Nc5 Bc5 21.Rc5 (worse 21.dc5 d4 (21...Ne5?! 22.Rd1=) 22.Bh6 gh6 23.Qh6 Ne5-/+) 21...Qd7 22.Rac1 Ne7 23.Qc2 Rc5 24.bc5 Nc6 25.Qc3 Qc7 26.Bd2 (26.Qd3 f6 27.e6 f4+/-) 26...Re8 (26...Rb8 27.Qd3+=) 27.Qd3 (27.Rb1 Qe7+/-) 27...Qd7 28.Rb1 Re7 29.h4 (29.Rb6 Qe6+/-) 29...Qe6+= 30.g3 (30.Rb6 Qg6+=) 30...Rd7 31.Kh2 Qg6 32.f3 Qe6 33.Rg1 h5 (33...Re7 34.Re1=) 34.Bc3 Rc7 35.Qe2 Ne7 36.Ba5 Rd7 37.Rb1 (37.Bb6 Nc6 38.Rd1 Ne7+=) 37...f4= 38.g4 (38.Qf2 Qf5 39.Rb2 fg3 40.Qg3 Qd3-/+) 38...hg4 (38...Nc6 39.Bc3 f6 40.Re1 hg4 41.ef6 g3 42.Kg2 Qe2 43.Re2 gf6 44.Kh3-/+) 39.fg4= Qg6 (39...Nc6!? 40.Bc3 f6=+) 40.Rf1+= Qe4 41.Qf2 (41.Qd2 f3 42.Kg3 Nc6+/-) 41...Nc6 (41...Qd3 42.Qf4 Nc6 43.Bb4 Nd4 44.Kg2-/+) 42.Bc3+= b6 43.cb6 Rb7 44.Qb2 (44.Qf4 Qf4 45.Rf4 Rb6 46.Rf2+=) 44...f3 (better 44...Qe3=+) 45.Kg3+/- Qe2 (45...f2 46.Rf2 Qe3 47.Rf3 Qg1 48.Qg2+/-) 46.Rf2 (46.Qe2!? fe2 47.Rb1 e1Q 48.Be1 (48.Re1?! Rb6 49.Rc1 Rb3+=) 48...Nd4 49.Bf2+-) 46...Qd1+/- 47.Rf3 Qg1 48.Kf4 (better 48.Qg2!? Qb1 49.Rf2 Qd3 50.Qf3+=) 48...Nd8= 49.Qf2 Ne6 50.Ke3 Qg4 (50...Qc1 51.Qd2 Qa3=) 51.Rg3 (51.Kd2 Qh5=) 51...Qe4 (51...Qh4!? 52.Kd2 Qh6 53.Qe3 Qh2 54.Kd3 Rb6-+) 52.Kd2=+ Rb6 53.Qg1? (better 53.Rf3=+) 53...Rb1-+ (53...Qh4?! 54.a4-/+) 54.Qe3?? (54.Qf2 Qh1 55.Rf3-+) 54...Qh1 (54...Qh4?! 55.Kc2 Qh1 56.Qd2-+) 55.Kd3 (55.Qf2 Qc1 56.Kd3 Nf4 57.Qf4 Qf4 58.Kc2-+) 55...Qf1 56.Qe2 Nf4 (56...Nf4 57.Ke3 Qe2 58.Kf4 Rf1 59.Kg5 Qe4 60.Rf3 Qf3 61.e6 Rg1) 0-1. Vorobev,A (2165) - Yezhel,Valiantsin (2225), Minsk BLR, 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3)

6.d4 Bf5 7.Nf3 e6 8.Bd3 Nge7 9.Bg5 Qb6 10.Be7 Ne7 11.0-0 Rc8 12.Qe2 (12.b4!?=) 12...Qb3=+ 13.Bb5 Nc6 14.Nbd2 (14.Rc1 a6 15.Bc6 Rc6 (worse 15...bc6 16.Qa6 Rc7 17.Qa8 Kd7 18.Nc3+=) 16.Rc6 bc6 17.Qa6 Qd1 18.Qf1 Qf1 19.Kf1 Kd7=) 14...Qb2 15.Nh4 (better 15.Bd3 Bg4 16.Qe3=+) 15...Be7 (better 15...Qd4 16.Nf5 ef5-/+) 16.Nf5+= ef5 17.Rab1 (better 17.Qd3!? 0-0 18.Nb3=) 17...Qd4-/+ 18.Nf3 Qe4 19.Qd2 0-0 20.Bd3 Qg4 21.h3 Qh5 22.Rb7 Ba3 23.Qa2 Bc5 24.Qd5 Nb4 25.Qb3 Nd3 26.Qd3 Qg6 27.Rd7 Qe6 28.Rd1 h6 29.Qe2 a5 30.Nh4 (30.Qb5 Qb6 31.Qb6 Bb6-/+) 30...a4 31.Qh5 (31.R7d5!?-/+) 31...Qe5-+ 32.Nf5 Qf6 (32...Qf4 33.Ne7 Be7 34.Re7-+) 33.R7d6 0-1. Vorobev,A (2165) - Zarubitski,Viachaslau (2425), Minsk BLR, 2019. (=1.e4 c5 2.b4 cb4 3.a3 b3)

6.d4 Bf5 7.Nf3 e6 8.Be2 Nge7 9.Nbd2 Ng6=+ 10.Nf1 (10.g3 Be7=+) 10...Qa5 11.Bd2 Qb6 12.Be3 (12.Ng3 Bg4 (12...Nd4?? 13.Nd4 Bc5 14.Be3+-) 13.Be3 Ba3=+) 12...Ba3!-/+ 13.Ng3 (13.Ra3 Qb4 Double attack (13...Qb4 Decoy)) 13...Bb4 14.Kf1 Bg4 (14...Nge7 15.Nh4-/+) 15.h4 Nge7 (15...h5 16.Ng5 Be2 17.Ne2-/+) 16.h5 h6 17.Rh4 Bf5 18.Bd3 (18.Rf4 0-0-/+) 18...Bd3 19.Qd3 Na5 (19...0-0!?-/+) 20.Rg4=+ Kf8 21.Nh4 (21.Kg1!?=) 21...Qa6-/+ 22.Qa6 ba6 23.Rb1 (23.Nf3 Nec6-/+) 23...Rc8 24.Ne2 Nac6 (24...Kg8 25.Nf4-/+) 25.Rf4 (25.Ra1 Ba5=+) 25...Ke8 26.g4 (26.Rg4 Rg8=+) 26...a5 (26...Na5 27.Kg2-/+) 27.Rf3 (27.Kg2 Rf8-/+) 27...a6=+ 28.Rg3 (28.Ng2 Na7-/+) 28...Na7-/+ 29.f4 Nb5 30.f5 Nc3 (30...Kd7 31.Rb2-/+) 31.Rc1 (31.Nc3 Rc3 32.Rf3 Nc6-/+) 31...Ne4 32.Rc8 Nc8 33.Rf3 Nb6 (33...Rf8 34.fe6 fe6 35.Nf4-/+) 34.fe6 (34.Nf4 Ng5 35.Rf2 Rg8=+) 34...fe6 35.Ng6 Rg8 36.Nef4 (36.Kg2 Na8=+) 36...Kd7 (36...a4 37.ba4 Ng5 38.Rf2=) 37.Nd3= Be7 (37...Ke8 38.Ndf4=) 38.Nc5+= Nc5 (38...Bc5 39.dc5 Nc8 40.Ke2+=) 39.dc5 Nc8 40.Rf7 (40.Ke2 Kc6 41.Ne7 Ne7+=) 40...Ke8= 41.Rf2 (worse 41.Ne7 Ne7 (41...Kf7 42.Ng8 Kg8 43.c6+-) 42.Rf2 Nc6-/+) 41...Na7 42.c6 (better 42.Ke2=) 42...Nb5?? (better 42...d4 43.Bd4 Nc6=) 43.Ne7+- Ke7 44.Bc5 Ke8 45.Bb6 (45.Rf3!?+-) 45...Ke7+= 46.Ba5 (46.Ke2 Nc3 47.Kd3 Ne4+=) 46...Nd4 47.Bb4 Ke8? (better 47...Kd8!?+=) 48.c7+- Kd7 49.Rf7 Kc8 50.Bf8 g6?? (better 50...Rh8 51.b4 Nc6+-) 51.g5+- hg5 (51...Nf5 52.gh6 Nh6 53.Bh6 gh5+-) 52.h6 Nf5 (52...Rh8 53.Bd6 Nf5 54.h7+-) 53.h7 Rh8 54.Bd6 Nh6 (54...Nd6?? 55.ed6 Kb7 56.Rg7+-) 55.Rf6 (better 55.Rg7 d4 56.Bb4+-) 55...Kd7 (55...Kb7 56.Re6 Rh7 57.Re8 Rc7 58.Bc7 Kc7 59.Re6+-) 56.Rg6+- Rh7 57.Rg5 (better 57.Re6! Rh8 58.Rf6+-) 57...Rh8= 58.Rg7 Kc8 59.Re7 (59.b4 Nf5 60.Rf7 Kb7= (60...Nd6 61.ed6 Kb7 62.Rd7+-)) 59...Nf5 60.Re6 d4?? (better 60...Kd7 61.Rg6 Nd6 62.Rd6 Kc7 63.Rd5 Rh3=) 61.Rf6 (61.Ke2 Kb7+-) 61...Ng3 (61...Ng7 62.Ke2 Re8 63.Rf7+-) 62.Kg2 Rg8? (62...Ne4 63.Rf4 Nc3 (63...Nd6?? 64.ed6 d3 65.Kf3+-) 64.Rd4 Nb5+-) 63.Kf3 d3 (63...Nh5 64.Rf5 Ng3 65.Rf7+-) 64.Ke3 Nh5 (64...d2 65.Kd2 Ne4 66.Ke3 Nf6 67.ef6+-) 65.Rh6 Ng7 (65...d2 66.Kd2 Nf4 67.Ke3 Nd5 68.Kd4 Nc7 69.Bc7 Kc7 70.Ra6+-) 66.Kd3 Ne8 (66...Re8 67.Ke4 Ne6 68.Kd5 Nc7 69.Bc7 Kc7 70.Ra6+-) 67.Rh7 Ng7 (67...Kb7 68.Ke4+-) 68.Kc4 Ne6 (68...Nf5 69.Kd5 Ne3 70.Kc6+-) 69.Kd5 Nf4 (69...Re8 70.Rf7 a5+-) 70.Kc6 Ne6 (70...Ne2 71.b4 Nc3 72.Kb6 Nd5 73.Ka6 Nb4 74.Bb4+-) 71.Kb6 (71.Rh4 a5 72.b4 ab4 73.Rb4 Nd4 74.Kd5 Kd7 75.Rd4 Ra8 76.e6 Kc8 77.Rb4 Ra5 78.Kc4 Ra4 79.Ra4 Kb7 80.Kc5 Kc8 81.Ra8 Kb7 82.c8Q) 71...Nd4 (71...a5+-) 72.b4 Ne6 (72...Nc2 73.Ka6 Nb4 74.Bb4 Rg7+-) 73.Ka6 Ng7 74.b5 (74.b5 Kd7 75.b6 Ke6 76.b7 Kf7 77.c8Q Kg6 78.Qg8 Kf5 79.Rg7 Ke4 80.Rg3 Kd4 81.Qg4 Kd5 82.b8Q Kc6 83.Qb5) 1–0. Kryvoruchko,Vita (2205) – Naboka,Sergey (2240), Yuri Privalov IM, 2015. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

6.Nf3 Bg4 7.Bb2 e6 8.Be2 Rc8 9.0-0 Qb6 10.b4 Nh6 11.h3 (11.Qa4 Nf5=+) 11...Bf3=+ 12.Bf3 Nf5 (12...a5!?=+) 13.Bg4 Nfd4 14.Re1 (14.Nc3 A) 14...Ne5? 15.Na4 Qa6 16.Bd4 Ng4 17.hg4+- (17.Qg4?! Qa4 18.Rfe1 Qa6=); B) 14...a6=) 14...g6 (14...a5 15.Nc3=+) 15.Kh2 (better 15.Nc3 Rd8 16.Rc1+=) 15...h5-/+ 16.Be2 Ne5 17.Nc3 Bd6 (17...Ne2 18.Qe2 Nc4 19.Ra2-/+) 18.Kh1 0-0?? (better 18...a6=+) 19.Bh5?? (better 19.Na4 Qd8 20.Bd4+-) 19...Nd3-+ (19...gh5 20.Na4 Nd3 21.Nb6 Nf2 22.Kg1 Nd1 23.Nc8 Nb2 24.Nd6-/+) 20.Qb1 (20.Na4 A) 20...gh5?! A1) worse 21.Nb6 Nf2 22.Kg1 Nd1 23.Nc8 Nb2 (worse 23...Rc8 24.Bd4 Rc4 25.Be5 Be5 26.Re5+/-) 24.Nd6 Nc2-/+; A2) 21.Qh5 Nf2 22.Kg1 Nh3 23.Kh1 Nf2 24.Kg1 Nh3 25.Kh1 Nf2 26.Kg1 Nh3=; B) 20...Nf2 21.Kg1 Nd1 (21...gh5?! 22.Qh5 Nh3 23.Kh1 Nf2 24.Kg1 Nh3 25.Kh1 Nf2 26.Kg1 Nh3=) 22.Nb6 Nb2 (22...gh5?! 23.Nc8 Nb2 24.Nd6-/+) 23.Nc8 Rc8-+) 20...Nf2 (20...gh5 21.Qd3 Rc4 22.Qe3+-; 20...Ne1 21.Bg6 a6 22.Bh7 Kg7 23.Qe1 Kh7 24.Qe3-+) 21.Kg1 gh5 (21...Nb3 22.Re3 Nd2 23.Qe1-+) 22.Re3 (22.Kf2 Nb3 23.Ke2 Na1 24.Ba1-+) 22...Nf5 (better 22...Rc3 23.Bc3 Ne4-+) 23.Nd5= Qd8 (23...Nh3!? 24.gh3 Qb5 (24...ed5? 25.Qf5 Bc5 26.bc5 Qg6 27.Qg6 fg6 28.Re6+-) 25.Nf6 Kg7 26.Nd7 Kh6 27.Nf8 Rf8=+) 24.Nf6+= Kh8 25.Nh5 (25.Kf2 Bc7 26.Rd3 Bg3 27.Ke2 Bd6+-) 25...Kh7 (better 25...f6!? 26.Rf3 Bc7 27.Rf2 Bb6=) 26.Nf6+/- Kg6 27.Rg3?? (better 27.g4 Be7 28.gf5 (28.Kf2?! Qd2 29.Re2 Qf4 30.Kg1 Bf6 31.gf5 Kh5=+) 28...Kh6 29.Ng4 (29.fe6 Bf6 30.e7 Rg8 31.Kf1 Qd6-+) 29...Ng4 30.hg4+/-) 27…Bg3-+ 0-1. Hrabinska,M (2235) - Perelygin,Igor (2300), Titled Tuesday 2nd June, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

6.Nf3 Bg4 7.Bb5 Qc7 8.0-0 (8.Bb2 e6=) 8...Bf3= 9.Qf3 Qe5 10.d4 Qd4 11.Be3?? (11.Rd1 Qe4 (11...Qa1 12.Qd5 f5 13.Qd7 Kf7 14.Bc4 Kg6 15.Rd3 Nd4 16.Rg3 Kf6 17.Bg5 Kg6 18.Be3 Kf6 19.Bd4 Qd4 20.Qe6) 12.Qg3 0-0-0=) 11...Qe4 (better 11...Qa1 12.Qd5 Qf6-+) 12.Qg3 (12.Qe4 de4 13.Rc1 0-0-0=) 12...Rc8 (12...Qe6 13.Nc3 a6 14.Bc6 bc6 15.Rfe1=) 13.Nc3= Qg6 14.Qh3 (14.Nd5 Qg3 15.fg3 e6=) 14...Qe6=+ 15.Qf3 a6 16.Ba4?? (16.Bc6!? bc6 17.Rac1=+) 16...Nf6 (better 16...b5!? 17.Nb5 ab5 18.Bb5 Qd7-+) 17.Bb6 (17.Bc6 Rc6 18.Bd4-/+) 17...d4 (17...Qd6!?-/+) 18.Rfe1 (18.Ne2 Qd5 19.Nd4 Qf3 20.gf3 Nd5 21.Nc6 bc6=+) 18...Qg4=+ 19.Qg4 Ng4 20.Nd5 e6 21.Nb4 (21.Re4 Nh6-/+) 21...Bb4 22.ab4 0-0 23.Bc6 Rc6 (23...bc6?! 24.h3 Nf6 25.Bd4=+) 24.Bd4 Rfc8 (24...Rd8 25.Bc5-/+) 25.h3 Nf6 26.b5 ab5 27.Ra5 Rc1 (27...b6 28.Rb5 Nd5 29.Kh2-/+) 28.Kf1 (28.Rc1 Rc1 29.Kh2 Kf8=+) 28...Re1 29.Ke1 h6 (29...Nd5!?-/+) 30.Rb5=+ Rc7 31.f3 (31.Bf6!? gf6 32.g4=+) 31...Nd5-/+ 32.Kd2 (32.Ra5 f6-/+) 32...Kh7 (32...Rd7!? 33.Kc2-+) 33.g3-/+ Kg6 34.Kd3 Ne7 35.g4 Rd7 36.Ke4 (36.Kc4 f6-/+) 36...Nc6 (better 36...f5!? 37.Ke3 Nd5 38.Kf2 Nf4-+) 37.Bc3 Ne7 38.h4 (better 38.Bd4!?=) 38...f5 39.Ke5 (39.gf5 Nf5 40.Rb6 Kf7=+) 39...Kf7 40.h5 (40.gf5 Nf5 41.Rb4-/+) 40...fg4 (better 40...g5!? 41.gf5 ef5-+) 41.fg4=+ Rd5 42.Rd5 Nd5 43.Bd2 Nf6 44.Kf4 g6 45.hg6 Kg6 46.Ke5 Ng4 47.Ke6 h5 48.Kd6?? (better 48.Be1=+) 48...h4-+ 49.Be1 (49.Ke6-+) 49...h3 50.Bg3 Nf6 ½–½. Hilbert,Stephan_Joerg (1835) – Kuehn,Peter (1960), World Senior Teams +50, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d5 5.e5 Nc6)

6.Nf3 Bg4 7.Bb5 Rc8 8.h3 Bh5 9.0-0 e6 10.Bb2 a6.

6.Nf3 Bg4 7.Bb5 e6 8.h3 Bf3 9.Bc6 bc6 10.Qf3=+.

6.Nf3 Bg4 7.Bb5 e6 8.h3 Bf3 9.gf3 Nge7-/+.

6.Nf3 Bg4 7.Bb5 e6 8.h3 Bf3 9.Qf3 Nge7 10.Bb2 a6.

4.cb3 d6

5.Bb5 A) 5...Nc6 A1) 6.Nf3 d5 7.Ne5 Qb6 8.Nc3 de4 9.d4 a6; A2) 6.Bb2 Nf6 7.Nc3 a6 8.Bc6 bc6 9.Nge2 Rb8; A3) 6.Bc6 bc6 7.d4 Nf6 8.Qc2 e5 9.Bb2 ed4; A4) 6.Qc2 Bd7 7.Nf3 Rc8 8.Nc3 a6 9.Bc6 Bc6; A5) 6.Nc3 a6 7.Bc6 bc6 8.Nf3 Bg4 9.d4 e6; B) 5...Bd7 B1) 6.Bc4 Nf6 7.Nc3 Bc6 8.Qf3 e6 9.d4 d5; B2) 6.Bd7 Nd7 7.Nc3 Ngf6 8.d4 e6 9.Nge2 Rc8.

5.Nc3 A) 5...Nc6 6.d4 Nf6 7.d5 Ne5 8.Be3 Bd7 9.Nf3 Rc8; B) 5...Nf6+= 6.d4 d5 7.e5 Ne4 8.Ne4 de4 9.Bc4 Nc6.

5.Bc4 A) 5...e6 6.Nc3 Ne7 7.Nf3 d5 8.ed5 Nd5 9.Bd5 ed5; B) 5...Nf6 6.Nc3 Nc6 7.d4 Ne4 8.Bf7 Kf7 9.Ne4 Qa5.

5.d4 Nf6 6.Nc3 g6 =.

5.d4 Nf6 6.Nd2 e5 7.Bb2 Nc6 8.Bb5 ed4 9.Ne2 Bd7 10.0-0 Be7 11.f4 (11.Nd4!? 0-0 12.Bd3+=) 11...0-0= 12.h3 Qb6 13.Nc4?? (13.Bc6 d3 (worse is 13...Qc6 14.Nd4 Qa6 15.Qf3+=) 14.Nd4 Bc6+=) 13...Qd8 (better is 13...Qb5 14.Nd4 Nd4 15.Qd4 d5-+) 14.e5 de5 15.fe5 (15.Bc6 Bc6 16.fe5 Ne4 17.Nd4 Bc5=) 15...Nd5 (better is 15...Ne5!? 16.Ba6 Nc4 17.Bc4 Be6-/+) 16.Nd4= (16.Bd4? Nd4 17.Nd4 Nc3-+) 16...Nd4 17.Bd4?? (17.Bd7 Ne2 18.Qe2 Qd7=) 17...Bg5?? (better is 17...Bb5 18.Qg4 Bc4 19.bc4 Nc7-+) 18.Nd6 (18.Bd7 Qd7 19.Qf3 Be7+=) 18...Be3 19.Be3 (better is 19.Kh1!? Bb5 20.Nb5=) 19...Ne3-/+ 20.Qf3 Nf1 21.Qe4?? f5 ½–½. Juziak,Peter (2120) – Hansch,Stephan (1790), Dortmund op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

5.d4 Nf6 6.Bd3 Nc6 7.Bb2 e5 (7...Bg4 8.Ne2=) 8.Ne2 (8.d5 Ne7=) 8...Be7 (8...d5!? 9.ed5 Nd5 10.de5 Be6+=) 9.d5+/- White gains space 9...Nb8 10.Nbc3 Bg4 11.h3 Bh5 12.Qd2 (12.0-0 h6+=) 12...Nfd7 (12...Nbd7 13.Qe3=) 13.b4 (13.Ng3 Nf6+=) 13...a5 14.0-0 0-0 15.Nb5 Na6 16.Ng3 Bg6 17.Nf5 (17.Qc3 ab4 18.ab4 h6=) 17...Bf5= 18.ef5 Nf6 19.Be2 Qd7 20.g4 (20.ba5 Instead of 20...Nc5+=) 20...h6 21.Rfc1 (21.ba5 Weaker is 21...Nc5+=) 21...Nh7 22.Rc2 (22.ba5 Less advisable is 22...Bg5 23.Qe1 Bc1 24.Qc1 Rfc8-/+) 22...Bg5 23.Qe1 Nf6 24.Rd1 Rfc8 25.Rc8 Rc8 26.Bc3 Ne4 27.ba5?? Bh4-+ 28.Kg2 Bf2 29.Qf1 Nc3 30.Nc3 Rc3 31.Kf2 Qa4 32.Rd3 Rd3 33.Bd3 Nc5 34.Bc4 Qa3 35.Qe1 Qh3 36.Qb4 Qg4 37.Qb5 Qf5 38.Ke2 Qg4 39.Ke1 Qg3 40.Ke2 Qg2 41.Ke3 f5 42.Qe8 Kh7 43.Be2 f4 44.Kd2 f3 (44...f3 45.Qb5 Ne4 46.Ke3 Qf2 47.Ke4 fe2 48.Qe2 Qe2 49.Kf5 Qa2 50.Ke6 e4 51.Ke7 Qd5 52.Ke8 e3 53.Kd7 e2 54.Kc8 e1Q 55.Kc7 Qea5 56.Kb8 Qg8 57.Kb7 Qga8) 0–1. Casas Novas,Rui (2000) – Pereira,Edgar (2035), Jogos de Lisbon 4th, 2001. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

5.d4 Nf6 6.Bd3 Nc6 7.Ne2 e6 8.0-0 Be7 9.Nbc3 0-0 10.f3 Bd7 11.Be3 Rc8 12.Qd2 Re8 (12...d5 13.e5 Ne8 14.Qc2+=) 13.b4 a6 14.h3 (14.Rac1 Rf8+=) 14...Bf8 (14...Qc7 15.Rac1+=) 15.f4 White prepares the advance e5 15...h5 (15...Be7 16.Rac1+=) 16.e5 Nd5 17.Nd5 ed5 18.Qe1 Be7 (18...h4 19.Qf2+-) 19.Qf2+- f5 (better 19...a5!? 20.b5 Na7+-) 20.Qf3+- Be6 21.Qh5 Rf8 22.Qg6 Qd7 23.g4 de5? (better 23...Bh4+-) 24.fe5 Bd8 (24...Rc7 25.gf5 Bf7 26.Qg3+-) 25.gf5 Bf7 26.Qg4 (better 26.e6!? Qe8 27.ef7 Rf7+-) 26...Kh8 (26...Be8 27.Rae1+-) 27.e6 (27.e6 Qe8 28.Nf4+-) 1–0. Martinez,Jorge Alexander (2150) – Bravo,Juan Eduardo (1720), Semifinal, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

5.d4 g6 6.Be3 Bg7 7.Nc3 Nf6 8.h3 0-0 9.Nf3 b6 10.Bd3 Bb7 11.0-0 Nbd7 12.Rc1 Rc8 13.Re1 Rc7 14.b4 Qa8 15.Bd2 Rfc8 16.Qb3 h6 17.Rcd1 a6 18.Nh4 e6 19.f4 (19.Rc1 d5 20.e5 Ne4=) 19...d5 (better is 19...Nh5!? 20.Nf3 Nf4-/+) 20.e5= Ne4 21.Ne2 b5 22.g4 Qa7 23.f5? (better is 23.Be3!? Nb6 24.f5=) 23...Ne5 (23...Nd2 24.Rd2 ef5 25.gf5 Ne5 26.fg6-+) 24.fg6 (24.Be4 de4 25.fe6 Nf3 26.Nf3 ef3-+) 24...Nc4 (24...Nd2 25.Rd2 Bf6 26.gf7 Rf7 27.Bg6-+) 25.Bf4 Rd7 (25...Bd4 26.Kh2 Bf2 27.Be4 Be1 28.Re1-+) 26.gf7 Rf7 27.Be4 de4 28.Qg3 Nb2 29.Rd2 Nd3 30.Rf1? (better is 30.Rd3!? ed3 31.Qd3-+) 30...e5-+ 31.Be3 Rf1 32.Kf1 ed4 33.Qd6? de3 34.Qe6 Kh8 35.Ng6 Kh7 36.Qf5 Re8 37.Ne5 Kh8 38.Nf7 Kg8 39.Nh6 Kh8 40.Nf7= Kg8 41.Nh6 Kh8 42.Nf7 ½–½. Morkisz,Bogdan (2125) – Chlost,Marlena (2130), Polanica Zdroj op–A Poland, 2006. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

5.d4 g6 6.Bf4 =.

5.Nf3 d5 6.ed5 Nf6 7.Bc4 a6 8.Nc3 b5 9.Bd3 Bb7.

5.Nf3 d5 6.e5 Nc6 7.Be2 d4 8.Bc4 a6 9.0-0 b5.

5.Nf3 Nf6 6.Nc3+= Nc6 7.d4 Bd7 8.Be2 Rc8 9.0-0 e5.

5.Nf3 Nf6 6.Nc3+= d5 7.ed5 Nd5 8.Nd5 Qd5 9.Bc4 Qe4.

5.Nf3 Nf6 6.Nc3 g6 7.d4 Bg7 8.Bb5 (8.Bd3 Nc6+=) 8...Bd7 9.Qd3 (9.0-0 0-0 10.Bd7 Nbd7+=) 9...0-0 10.0-0 (10.Bd7 Nbd7 11.0-0 Rc8+=) 10...a6 (10...Nc6 11.b4=) 11.Bd7+= Nbd7 12.Be3 (12.Bg5 Re8+=) 12...Rc8 13.Rfc1 (13.a4 Nb8=) 13...Ng4 (13...e5 14.d5=) 14.Nd5 (14.Bg5 Bf6+=) 14...Rc1 15.Rc1 Nb6 16.Nb6 Qb6 (16...Ne3 17.Nc8 Ng4 18.Qc3+=) 17.h3 (17.Bg5 Nf6+=) 17...Ne3 18.Qe3 e6 19.b4 (19.g3 Bf6+=) 19...a5= 20.Qc3 (20.Qd2 Ra8=) 20...Ra8 (20...ab4 21.Qb4 Qb4 22.ab4=) 21.ba5 (21.Qc7!? Bd4 22.Nd4 Qd4 23.Qb7+=) 21...Qa5= 22.Qa5 Ra5 23.Rc8 Bf8 24.Rb8 Ra7 25.a4 Kg7 26.d5 (26.Kf1 d5 27.ed5 ed5=) 26...Be7 (26...ed5 27.ed5 Ra4 28.Rb7=) 27.de6 (27.g4 ed5 28.ed5 h6=) 27...fe6 28.Nd4 (28.a5 h5=) 28...Kf6 29.f3 (29.a5 d5=+) 29...d5=+ 30.Nb3 (30.Nb5 Ra4 31.ed5 ed5=+) 30...Ra4 (30...de4 31.fe4 Ra4 32.Rb7 Re4 33.Kf2-/+) 31.Rb7 de4 32.fe4 (32.Nd2 Ra1 33.Kf2 Ra2-/+) 32...Re4 33.Kf2 Rf4 (33...Rb4 34.Rb4 Bb4 35.Nc1-/+) 34.Ke3 e5 (34...Rb4 35.Rb4 Bb4 36.Ke4-/+) 35.Rb6 (35.Nd2 Rb4 36.Rb4 Bb4=+) 35...Kf5 (35...Kf7 36.Rc6-/+) 36.Rb7 (36.g4 Kg5 37.Re6 Rf7-/+) 36...Ke6 37.Rb6 Kd5 (37...Kf7!?-/+) 38.Rb5=+ Kd6 39.Nd2 Rd4 (39...Ra4 40.Ne4 Ke6 41.Rb6 Kf7 42.Nd6 Kg7 43.Rb7=+) 40.Ne4= Ke6 41.Rb6 Bd6 42.Nd6 (42.g4 h6=) 42...Rd6=+ 43.Rb7 (43.Rb4 Rd1=+) 43...Rd7 (43...h5 44.Rb8=+) 44.Rb8 (44.Rb3 Ra7=+) 44...Rf7 (44...Ra7 45.Kf3=+) 45.Rb2 (45.Rc8 h5=+) 45...Rf1 (45...Rc7 46.Ra2=+) 46.Rb6= Kd5 (46...Kf5 47.Rb7 Re1 48.Kf2=) 47.Rb5 Kd6 48.Rb7 Ra1 49.Rh7 Ra3 50.Ke4 Ra4 51.Ke3 Ra3 52.Ke4 Ra4 53.Ke3 Ra3 54.Ke4 ½–½. Nesterenko,Kyrylo – Kuhn,Clement, World Cadets Championship U8, 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

5.Nf3 Nf6 6.e5 de5=+ 7.Ne5 Qd4 (better 7...Nbd7 8.Nf3 e5=+) 8.Nf7?? (better 8.Bb5 Nbd7 9.Bb2=+) 8...Kf7-+ 9.Bc4 e6 10.Nc3 Qe5 11.Qe2 Qe2 12.Ne2 Nc6 13.Bb2 Bd6 14.0-0 Ne5 15.Rac1 Nc4 16.Rc4 Rd8 17.Re1 Bd7 18.Nd4 Rac8 19.d3 b5 20.Rcc1 Rc1 21.Rc1 a6 22.Nf3 Rc8 23.Rc8 Bc8 24.Ne5 Be5 (24...Ke7 25.b4-+) 25.Be5 Nd7 26.d4 (26.Bd4 e5 27.Be3 Nf8-+) 26...Ne5 27.de5 Kg6 28.f4 (28.f3 Kf5 29.Kf2 Ke5-+) 28...Kf5 29.g3 g5 30.fg5 Kg5 31.Kf2 Kf5 32.Kf3 (32.Ke3 Ke5 33.Kd3 Bd7-+) 32...Bb7 33.Ke3 Ke5 34.g4 (34.Kd3 Be4 35.Ke3 Bf5-+) 34...a5 35.b4 (35.Kd3 Bd5 36.b4 ab4 37.ab4 Kf4-+) 35...ab4 36.ab4 Be4 37.h3 (37.g5 Kd5 38.h4 e5-+) 37...h6 38.h4 Bd5 39.h5 (39.g5 hg5 40.hg5 Be4-+) 39...Bc6 (better 39...Bb7-+) 40.g5 (40.Ke2-+) 40...hg5 41.h6 Be4 42.Kf2 (42.h7 Bh7 43.Ke2 Bf5 44.Kd1 g4 45.Ke2 Kf4 46.Kf2 g3 47.Kf1 Bd3 48.Kg2 Bh7 49.Kf1 Kf3 50.Ke1 g2 51.Kd2 g1Q 52.Kc3 Qc1 53.Kb3 e5 54.Ka2 Bg8) 42...Kf4 43.Ke2 (43.Kf1 g4 44.h7 Bh7 45.Kf2 Bd3 46.Ke1 Ke3 47.Kd1 g3 48.Kc1 g2 49.Kb2 g1Q 50.Kb3 Qc1 51.Ka2 Bc4) 43...g4 44.Kf2 (44.h7 Bh7 45.Kf2 g3 46.Kg2 Be4 47.Kf1 Ke3 48.Kg1 g2 49.Kh2 Kf2 50.Kh3 g1Q 51.Kh4 Qg6 52.Kh3 Qg3) 44...g3 45.Kg1 (45.Ke2 Bh7 46.Kf1 Kf3 47.Ke1 g2 48.Kd2 g1Q 49.Kc3 Qc1 50.Kb3 e5 51.Ka2 Bg8) 45...Kf3 46.Kf1 (46.h7 Bh7 47.Kf1 e5 48.Ke1 g2 49.Kd1 g1Q 50.Kd2 Qb1 51.Kc3 Qc2) 46...g2 47.Kg1 Bh7 (47...Bh7 48.Kh2 Kf2 49.Kh3 g1Q 50.Kh4 Kf3 51.Kh5 Qg4) 0–1. Biyachuev,Minkail – Trushnikov,Viacheslav (1755), 2016. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

5.Nf3 Nc6

6.Bc4 e6 7.0-0+= Nf6 8.d4 (8.Nc3 d5 9.ed5 Nd5+= (9...ed5+=)) 8...d5 (8...Ne4 9.d5 ed5= (9...Qf6 10.Ra2=)) 9.e5 (better is 9.ed5!? Nd5 10.Bg5+=) 9...dc4=+ 10.ef6 Qf6 (10...cb3 11.fg7 Bg7 12.Bb2=+) 11.Bg5 Qf5 12.Nc3 Be7 13.Be7+= Ne7 14.bc4 0-0 15.Rb1 b6 16.Rb5 Qf4= 17.Ne2 Qc7 18.Qd3 Bb7 19.Rh5 g6 20.Ng5 Qc6 21.Nf4 e5 22.de5 Rad8-/+ 23.Qh3? gh5 24.Qh5 h6 25.e6 hg5?? 26.Qg5= Ng6 27.f3?? Qc5 28.Qc5 bc5 29.Ng6 fg6 30.e7 Rd3 31.ef8Q Kf8 32.Rb1 Bc6 33.Rb8-/+ Ke7 34.Rg8? Be8 35.h4 Ra3 36.Kf2 Rc3 37.g4 a5 38.Rh8 a4 39.h5 gh5 40.gh5 Rc4 41.Kg3 a3 42.Rh6 a2 (42...a2 43.Ra6 Ra4 44.Ra4 Ba4-+) 0–1. Pomaro,S (1880) – Novikovas,A (1900), Open Panevezys LTU, 2008.

6.Bc4 Nf6 7.Nc3= Ne4 8.Ne4 d5 9.Bd3 de4.

6.d4 d5 7.ed5 Qd5 8.Nc3 Qa5 9.Bd2 Bg4.

6.d4 Bd7 7.d5 Ne5 8.Ne5 de5 9.Bb2 Nf6.

6.d4 Nf6 7.d5 Ne5+= 8.Nc3 a6 9.Be2 e6.

6.d4 Bg4 7.Be2 Nf6 8.Qd3 g6 9.0-0 Bg7 10.Bb2 0-0 11.Nbd2 d5 12.e5 Nd7 13.Ng5 Be2 14.Qe2 e6 15.h4 h6 16.Ngf3 Rc8 17.Rac1 Qb6 18.Qd3 Ne7 19.b4 Rc1 20.Rc1 Rc8 21.Nb3 Rc1 22.Bc1 Qc7 23.b5 Nb6 24.Nc5 Nc4 25.Qc3 Nf5 26.g4 Ne7 27.Ne1? (27.Qb4 Bf8=) 27...b6 (better is 27...Be5!? 28.de5 Qc5 29.Bh6 Qa3-+) 28.Na6 Qc8 29.Nd3 Qe8 30.a4 Qd8 31.Ndb4 Nc8 32.g5 h5 33.Nc6 Qd7 34.Ba3 Bf8 35.Bf8 Kf8 36.Qb4 Kg7 37.Kf1 Kg8 38.Ke2 Kg7 39.Kd3 Kg8 40.a5 ba5 41.Na5 N8b6 (41...Na3!=) 42.Nc6+= Kg7 (42...Nc8 43.Ke2+=) 43.Nc5 (43.Qe7 Qe7 44.Ne7 Na3+/-) 43...Qc7 44.Ke2 Kg8 45.Qb3 Kg7 46.Qf3 Nd7 47.Nd7 Qd7 48.Qf6 Kh7 49.Ne7 (49.Qd8!? Qd8 50.Nd8+=) 49...Qe8= 50.Nc6 Qd7 ½–½. Beier,Klaus – Richtmann,Peter, Bayern–chB Uttenreuth, 1996. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 d6)

4.cb3 e5

5.Bb2 Nc6 6.Nf3 d6 7.Bb5 Nf6 8.d4 Qa5 9.Nc3 Ne4 10.Qd3 Nc3 11.Bc3 Bf5 12.Qc4 (worse 12.de5 Bd3 13.Bc6 bc6 14.Ba5 Be4=+) 12...Qc7 13.d5 (13.de5 Be6 14.Qe2 a6 15.ed6 Bd6=) 13...a6 14.Ba4 b5 15.Bb5 (15.Qc6? Qc6 16.dc6 ba4-+) 15...ab5 16.Qb5 Bd7 17.dc6 Bc6 18.Qe2 Qb7 19.b4 Be7 20.Qe3 Qa6 21.Bb2 0-0 22.Rd1 Rfc8 23.Rd2 Bb5 24.Ng1 h6 25.Nh3 Bd8 26.Qe4 Bb6 27.f3 Rc4 28.Qb1 Qa7 29.Qd1 (29.Rd6 Bf2! 30.Kd1 Ba4 31.Qc2 Bc2 32.Kc1 Bd3 33.Bc3 Qa3 34.Kd1 Qb3 35.Kd2 Qc2) 29...Rac8 30.a4 (30.Rd6?? Bf2!! 31.Nf2 Re4 32.Qe2 Re2 33.Kd1 Qa4) 30...Ba4 31.Qa1 (31.Qb1-+) 31...Rc2 32.Qd1 Rb2! (32...Rb2 33.Qa1 Bf2 34.Nf2 Qe3 35.Kf1 Rd2 36.Qe1 Bb5 37.Nd3 Bd3 38.Qe2 Rc1) 0-1. nordlicht (1995) - marekt (2045), gameknot.com, 2014.

5.Bc4 Nf6= 6.d4 ed4 7.Nf3 Qa5 8.Bd2+= Qb6 9.0-0 Be7 10.Bg5 Nc6 11.e5 Ne4 12.Be7 Ne7 13.Qd3 Nc5? 14.Qd4+/- 0-0 15.Nc3 Nf5 16.Qf4 d6 17.b4+- Na6 18.Rad1 de5 19.Ne5 Be6 20.Nd7 Bd7 21.Rd7 g6? 22.g4 Ng7?? 23.Nd5 (23.Nd5 Nc5 24.Nb6+-) 1–0. Gurkin,A (2155) – Minko,V (1800), Open Olomouc CZE (1), 2008.

5.d4 ed4 6.Qd4 Nc6 +=.

5.Nf3 Nc6 6.Bc4 Be7 7.Bb2 d6 8.d4 ed4 9.Nd4 Nf6 10.0-0 0-0 11.Nf5 (better 11.Nc3!?+=) 11...Bf5= 12.ef5 d5 13.Bd3 Bd6 14.f4 (14.Re1!?=) 14...Re8=+ 15.Nd2 Bc5 16.Kh1 Bd4 17.Rb1 (17.Bd4 Nd4 18.Nf3 Nf3 19.Rf3 Qb6-/+) 17...Bb2 18.Rb2 Re3 19.Nf3 Qa5 20.a4 Rae8 (20...Qb4 21.g3-/+) 21.Bb5 Qc3 22.Rb1 a6 23.Bc6 bc6 24.Ne5 Qc5 (24...c5!?-/+) 25.b4= Qd6 (25...Qb6=) 26.Rc1?? (26.Nc4 Qd7 27.Ne3 Re3+-) 26...Rc8?? (better 26...Qb4 27.Rc6 Qe4=+) 27.Nc4!+- Qe7 (27...dc4 28.Qd6 Pinning (28.Qd6 Deflection)) 28.Ne3 Qe3 29.b5! ab5 (29...ab5 30.ab5 Combination; 29...cb5 30.Rc8 Pinning (30.Rc8 Deflection)) 30.ab5 c5 31.b6 Rb8 32.Qa4 (better 32.Qe1 Qe1 33.Rfe1 (33.Rce1?! Rb6 34.Rb1 Rb1 35.Rb1 Kf8+=) 33...Rb6 34.Rc5+-) 32...h5?? (better 32...Ne4 33.Qa2 c4+-) 33.Qa7+- Re8 (33...Qe8 34.Rc5 d4 35.Rfc1+-) 34.b7 Ne4 (34...Nd7 35.Qa5 Qd3+-) 35.Rc2 (better 35.Rb1 Nf2 36.Rf2 Qf2 37.Qa8 Ra8 38.ba8Q Kh7 39.Qd5+-) 35...Nf2+- 36.Rcf2 Qf2 37.Qa1 (37.Rf2?? Re1 38.Rf1 Rf1) 37...Qe2 38.Rb1 Rb8 39.Qa7 Qe8 40.Qc5 Qd7 41.h3 (better 41.Qa7!? Qc7 42.h3+-) 41...Rb7= 42.Ra1 (42.Rd1 Qf5 43.Qd5 Qd5 44.Rd5 g6=) 42...Rb8 (42...Qf5!? 43.Ra8 Kh7-/+) 43.Rd1 Exerts pressure on the isolated pawn 43...Rd8 44.g4 (44.Qa5 d4=+) 44...h4 45.Kg2 (45.Qf2 d4 46.Qh4 d3=) 45...Qe8 (45...d4 46.Qb4-/+) 46.Qd4 (better 46.Kf2!?=) 46...Qe2-/+ 47.Kg1 Kh7 (47...Ra8 48.Qd3 Qe7 49.Kf1-/+) 48.g5 Rc8 49.Qd5?? (49.Qd3 Qe8 50.Qd4= (50.Qd5?? Qe3 51.Kh1 Qh3 52.Kg1 Rc2 53.g6 Kh6-+)) 49...Rc2-+ 50.g6 Kh6 (50...Kh6 51.Qd2 Rd2 52.Rd2 Qe1 53.Kg2 Qd2 54.Kf3 Qd3 55.Kf2 f6 56.Ke1 Qh3 57.Kd2 Qg2 58.Ke3 h3 59.Kd4 h2 60.Kc5 h1Q 61.Kc4 Qc6 62.Kb4 Qhf3 63.Ka5 Qfc3) 0–1. Alsulaymi,Abdullah M (1830) – Danielyan,Vahe (2220), World Rapid, 2018. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 e5)

4.cb3 e6

5.d4 d5 6.e5 Ne7 7.Nc3 Nbc6 8.Nf3 a6 9.Bg5 h6 10.Bh4 (10.Be3 Nf5=) 10...Qb6 11.Na4 Qa7 12.Nc5 (better 12.Be7!? Be7 13.b4=) 12...Nf5=+ 13.b4 b6 (13...a5!? 14.Rb1 ab4 15.ab4 Qb6-/+) 14.Nb3= Bd7 15.Rc1 Rc8 16.Be2 Nh4 17.Nh4 Be7 18.Nf3 0-0 19.0-0 a5 20.b5 Nd8 21.a4 f5 22.Re1 Nf7 23.h3 Bb4 24.Nfd2 Rc1 25.Qc1 Rc8 26.Qb2 Bc3 27.Qb1 Ng5 28.Rc1 Qb8 29.Rc2 Bd2 30.Nd2 Rc2 31.Qc2 Qc8 32.Qc8 Bc8 33.Kh2 Ne4 34.Ne4 de4 35.Kg3 Kf7 36.Kf4 g5 37.Ke3 Bb7 38.Bh5 Ke7 39.f4 Bd5 40.Bd1 Bc4 41.g3 Kf7 42.h4 Kg6 43.Kd2 Bf1 (43...g4 44.Ke3=) 44.Ke3 (44.fg5 hg5 45.h5 Kf7+/-) 44...Bh3 (44...gh4 45.gh4 Bc4 46.h5 Kf7 47.Kf2=) 45.Kd2 Bg2 (45...Bf1 46.fg5 hg5 47.h5 Kf7 48.d5+-) 46.Ke3 Bh1?? (46...Bh3 47.fg5 hg5 48.Bb3 gh4 49.gh4+/-) 47.Kd2?? (better 47.fg5 hg5 48.h5 Kf7 49.d5 ed5 50.h6 d4 51.Kd4+-) 47...gh4 48.gh4 Bf3?? (better 48...h5=) 49.Ke3 (49.Bf3 ef3 50.Ke3+-) 49...Bd1-+ 50.Kd2 Ba4 51.Kc3 Bb5 (51...Bb5 52.Kc2 e3-+) 0-1. Inventar,Alexandre - Lebrun,Elias (1880), ch-FRA Blitz Online Qual, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.Nf3 d5 6.ed5 ed5 7.Bb5 Nc6 8.0-0 Bd6 9.Bb2 Nf6 10.Re1 Be6 11.Nd4 0-0 12.Bc6 bc6 13.Nc6 Qb6 14.Bf6 gf6 15.Nb4 a5 16.Nc2 d4 17.d3 Qb3 18.Nd4 Qd1 19.Rd1 Bg4 (19...Be5 20.Ne6 fe6 21.Ra2=) 20.Nf3+= Bf3 21.gf3 Rad8 22.Ra2 Kh8 23.Nc3 Rg8 24.Kh1 Rg5 25.Ne4 Rf5 26.d4 Rf3 27.Nd6 Rd6 28.d5 Rf5 29.Rad2 Rf3 30.a4 Rf4 ½–½. Shirazi,Kamran G (2440) – Riff,Vincent (2290), FRA–ch Accession, 2008. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.Nf3 d6 6.Nc3 Be7 7.Bb5 Bd7 8.Bd7 Nd7 9.0-0 Ngf6 10.Qe2 0-0 11.d4 a6 12.h3 Rc8 13.Bd2 b5 14.Rad1 Nb6 15.g4 (15.Rc1!?=) 15...d5+= 16.e5 Nfd7 17.Nb1 Qc7 18.Rc1 Qb7 19.g5 Rc1 20.Rc1 Rc8 21.h4 Rc1 22.Bc1 Qc6 23.Be3 a5 24.Qd2 a4 25.b4 Nc4 26.Qc1 Ndb6 27.Ne1 Qe8 ½–½. Karpenko,Alexander (1930) – Sterliagova,Tatiana (2350), Perm op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 b3) (aka “Kichigin,Viktor (1930) – Kushka,Alena (1845), Perm op, 2007”. Fake?)

4.cb3 Nf6

5.Nc3 d6 6.d4 e6 7.Nf3 Be7 8.Bb5 Bd7 9.Bd3 Nc6 10.0-0 e5 (10...Rc8 11.Bb2+=) 11.d5+- Nb8 12.h3 0-0 13.Qe2 Be8 14.Be3 Nbd7 15.b4 Nh5 16.g3 (16.Rac1 Nf4 17.Bf4 ef4+-) 16...g6 17.Bh6 Ng7 18.g4 f6 19.a4 (19.Rfc1 a5+-) 19...Rf7 20.a5 Nf8 (20...f5 21.gf5 gf5 22.Rfc1+=) 21.Be3 (21.a6 b6+-) 21...f5 22.b5?? (better 22.gf5 gf5 23.Kh2+-) 22...fg4-/+ 23.hg4 g5?? (23...Qc8 24.Kh1=+) 24.b6?? (24.Nd2 Ng6+=) 24...a6?? (24...Qc8 25.Ng5 Bg5 26.Bg5 Qc3 27.Rfc1=+) 25.Qd1?? (better 25.Rac1+=) 25...Qc8-/+ 26.Ng5 Bg5 (worse 26...Qc3 27.Nf7 Kf7 28.Qd2 Qd2 29.Bd2+-) 27.Bg5 Qc3 28.Qe2 Ng6 (28...Bb5 29.Bb5 ab5 30.Qe3-+) 29.Rfc1 Qd4 (29...Qb4 30.Bd2 Qb2 31.Rcb1=+) 30.Be3=+ Nf4 31.Bf4? (better 31.Bd4 Ne2 32.Be2 ed4 33.g5-/+) 31...ef4 0–1. Martinez,Jorge Alexander – Escobar Forero,Alder, IRT Camp Nal Mayores Absoluto AJEDREZ B, 2015. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nf6)

5.e5 Nd5 6.Nc3 Nc3 7.dc3 Qc7 8.Bd2 Qe5 9.Be2 e6 10.Nf3 Qc7 11.0-0 Be7 12.c4 0-0 13.Bc3 d6 14.Nd4 a6 15.Bd3 Nd7 16.f4 Bf6 17.Qh5 g6 18.Qg4? (better is 18.Qf3-/+) 18...Qb6-+ 19.f5 Ne5 20.Qe2 Nd3 21.Qd3 e5 (21...ef5?! 22.Rae1-/+; 21...gf5?! 22.Kh1 Be5 23.Rae1-/+) 22.fg6 fg6 (22...ed4?! 23.gh7 Kg7 24.Qg3 Kh8 25.Rf6 dc3 26.Kh1-/+) 23.Kh1 ed4 24.Bb4? (24.Rf6 Rf6 25.Bd4-+) 24...Bf5 25.Rf5 gf5 26.Qf5 Bg7 27.Qe6 Kh8 28.Bd6 Rf6 (28...Rf6 29.Qg4 Qd6-+) 0–1. Kelder,Hendrek – Kulaots,K (2565), Puhajarve EST, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 b3)

5.e5 Nd5 6.Bc4 Nb6= 7.Nc3 Nc4 8.bc4 Qc7 (8...d6 9.ed6 Qd6 10.Nf3=) 9.Qe2+= Nc6 10.Nf3 g6 (10...Qa5 11.Bb2+=) 11.Nd5 Qb8 12.d4 Bg7 13.0-0 0-0 14.Bg5 Re8 15.Bf4 e6 16.Nc3 f5 (16...f6 17.Qe3 fe5 18.Ne5 Ne5 19.Be5+-) 17.Nb5 b6 (17...Bf8 18.Rfc1+-) 18.Nd6 Rf8 19.Rfc1 Ba6 20.a4 Na5 21.Rc3 (21.Qe3 Nb7+-) 21...Qc7 (21...Nb7 22.Nb5+-) 22.Qd2 Nb7 (22...Nc4? 23.Qa2+-) 23.Nb5 Qc8 24.Bg5 Rf7 25.Bh6 Bb5 (25...Bh8 26.Qb2+-) 26.ab5 Qf8 (26...Bh6 27.Qh6 d6 28.Qf4+-) 27.Bg7 Rg7 28.Qe3 Qb4 29.Qc1 Qe7 30.Ra6 d6 31.Rca3 de5 (31...Qd8 32.Qe3+-) 32.Ne5 Na5 33.c5 Qc7 (33...Rc8 34.Qc2+-) 34.Rc3 Rc8 35.Nc6! Nc6 36.cb6 (36.bc6 Qc6 37.Qe3 e5 38.de5 Rd7=+) 36...Qb7 (36...Qb8 37.Rc6 Re8+-) 37.Rc6 Rc6 38.Qc6 Qc6 (38...Qb8 39.d5 Rb7+-) 39.bc6 ab6 40.Ra8 (40.Ra8 Kf7 41.c7+-) 1–0. marekt (2515) – mizuzul (2065), ChessWorld.net, 2018. (=1.e4 c5 2.b4 cb4 3.a3 b3 4.cb3 Nf6)

4.Nc3 bc2=+

5.Qc2 Nc6 6.Nf3 e6 7.d4 d5 8.Bb5 a6 9.Ba4 Nge7 10.0-0 b5 11.Bb3 Na5-/+ 12.Ba2 Bb7 13.e5 Nf5 14.Qd3 Be7 15.Ne2 Nc4 16.Bb1 h5 17.Kh1 Kd7 18.Nd2 Qb6 19.Nb3 a5 20.Qc3 g6 21.Bf5 gf5 22.Nf4 h4 23.Nd3 b4 24.Qc2=+ h3 25.ab4 hg2-+ 26.Kg2 Rag8 27.Kh1 Bb4 28.Nbc5 Kc8 29.Bf4 Rh4 30.Qc1 Bc6 31.Rg1 Rg1-/+ 32.Kg1 Bc5 33.Nc5 Qb2 34.Qb2-/+ Nb2 35.Be3 Nc4 36.Nd3 Kc7 37.Kg2 Rh8 38.Bg5-/+ a4 39.Be7 Nd2 40.Nc5 Rg8-+ 41.Kh3 Nf3 42.Bd6 Kb6-+ 43.Rb1 Ka7 44.Na4 Ba4 45.Ra1 Rg4 46.Ra4 Kb7 (46...Kb7 47.Rb4 Kc6 48.Rb6 Kb6 49.Bc5 Kc6 50.Bd6 Ng5) 0–1. Simonsen,O (2210) – Bjarnason,S (2285), Jonsson Mem Open (2), 2001.

5.Qc2 Nc6 6.Nf3 e6 7.d4 d5 8.Bd3 Nf6 9.0-0 de4 10.Ne4 Nd5 11.Rd1 Bd7 12.Nc5 Rc8 13.Nd7 Qd7 14.Qd2 Bd6 15.Qg5 0-0 16.Bh7?? Kh7-+ 17.Qh5 Kg8 18.Ng5 Nf6 19.Qh4 Ne7 0–1. Coates,Stephen (1925) – Wurschner,Miroslav (2255), IECG, 2003.

5.Qc2 e5 6.Nf3 Nc6 7.Bc4 Bc5 8.Bb2 Nf6 9.Na4.

5.Qc2 e6 6.Nf3 Nc6 7.d4 d5 8.Bb5 Nge7 9.0-0.

4.c4 Qb6

5.Bb2 d6 6.d4= Nf6 7.Nc3 e5 8.c5 Qa5 9.Qb3 Nc6 10.d5 Nd4-/+ 11.Bb5 Bd7 12.Bd7 Nd7 13.Qd1 Nc5 14.f3? Rc8 15.Nge2 Ne2 16.Qe2 Na4 17.Rc1-/+ Be7 18.Qb5 Qb5-/+ 19.Nb5 Rc1 20.Bc1 a6 21.Na7 Kd7 22.Be3 Ra8 0–1. Scharl,Walter (2005) – Tudosa,Daniel (2005), Regionalliga SW9798, 1997.

5.Nc3 e5 (better 5...Nc6!? 6.Bb2 Nf6=) 6.Rb1+= Bc5 7.Rb3 Qd8 (7...Bf2? 8.Ke2 Qc5 9.Rb5 Bg1 10.Rc5 Bc5 11.Nd5+-) 8.Nf3 d6 9.d4 ed4 10.Nd4 Nc6 11.Be3 Nge7 12.Be2 Nd4 13.Bd4 Nc6 14.Bc5 (worse 14.Bg7 Rg8 15.Bh6 Rg2=+) 14...dc5 15.Qd8 Kd8 16.Nd5 Nd4 17.Rg3 g6 18.Kd2 h5 19.Bd3 (19.Rb1 b6+=) 19...h4 20.Re3 Be6 21.Kc3 b6 22.e5 b5 23.Rb1 a6 24.a4 (24.Be4 Ra7+=) 24...Rc8 (24...ba4? 25.Nb6 Rc8 26.Na4+-) 25.ab5 ab5 26.Be4 b4 27.Rb4 cb4 28.Kd4 Rb8 29.Bc2 (29.Rb3 Bd5 30.cd5 Kd7+=) 29...g5= 30.Rb3 The isolani on b4 becomes a target 30...Kd7 31.Nb4 (31.Rb2 Rhc8=) 31...Rhc8 Attacks the isolani on c4 32.Nd5 Rb3 33.Bb3 Rb8 34.Ba4 Kd8 35.Bc2 ½–½. Marekt – Goldentweety, internet, 2020. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.c4 Nc6

5.Bb2 d6 6.Qb3+= Nf6 7.d3 e6 (7...Nd7 8.Nf3=) 8.Nf3= g6 9.Be2 Bg7 10.0-0 0-0 11.Nbd2 Nh5 12.Bg7 Ng7 (12...Kg7!? 13.g3 e5=) 13.d4+= b6 14.Rfd1 (14.Rfc1 e5 15.de5 de5+=) 14...Qc7 (14...e5 15.de5 de5 16.Qb5=) 15.Rac1 e5 16.c5 Nd4 (16...ed4? 17.cb6 Qb7 18.Qd5+-) 17.Nd4 ed4 18.Qd5 (better is 18.cd6 Qd6 19.Nc4+=) 18...dc5-/+ 19.Qa8? (19.Qd4 cd4 20.Rc7 Ne6-/+) 19...Bb7 (19...Be6!? 20.Qf8 Kf8 21.g3-+) 20.Qa7-/+ Ra8 21.Qa8 Ba8 22.Rb1 Ne6 23.f3 (better is 23.Rb2-/+) 23...Qf4?? (better is 23...Bc6 24.Bc4 d3-+) 24.Nc4= Qg5 25.Bf1 Bc6 26.Rb6 Ba4 27.Rd2 h5 28.Kh1 h4-/+ 29.Rbb2 Nf4 30.Nb6 Bc6 31.a4 d3 32.a5 c4 33.Nc4-/+ Qc5 34.g3 hg3 35.hg3= Qh5 36.Kg1 Qc5 37.Kh1 Qh5 38.Kg1 Qc5 ½–½. Schultz_Pedersen,Jesper (2235) – Jacobsen,Fredrik Beer (2010), Helsingor DEN, Politiken Cup, 2014. (=1.e4 c5 2.b4?? cb4-/+ 3.a3 b3)

5.Bb2 Nf6 6.Bd3 d6 7.Nf3+=.

5.Qb3 Nd4 6.Qd3 e5 =.

5.d4 Qb6 6.Bb2 e5 7.d5? (better is 7.de5!? Bc5 8.Qd2+=) 7...Bc5-/+ 8.Qd2 Nd4 9.Bd3 Qg6 10.f3 d6 11.Nc3 f5 12.0-0-0? (better is 12.Na4!?-/+) 12...Nf6 13.Re1 0-0 14.Na4 fe4 (14...b6!? 15.Ne2 Ne2 16.Qe2 fe4 17.fe4-+) 15.Nc5 ed3 16.Bd4 ed4 17.Nb3 Bd7 18.Kb2 Rac8 19.Rc1 b5 20.cb5 Rc1 21.Nc1 Bb5 22.Nh3 Nd5 23.Nb3 Rb8 24.Ka1 Bc4 (24...Ne3 25.Nd4 Nc2 26.Nc2 dc2 27.Qb4 Qf6 28.Ka2-+) 25.Na5 Ne3 26.Nf4 (26.Nc4 Nc4 27.Qa2 d5-+) 26...Qf7 (26...Qe8 27.Nd3 Qa4 28.Nc4 Nc2 29.Qc2 Qc2 30.Ncb2-+) 27.Nd3 (27.Rb1 Rb1 28.Kb1-+) 27...Bd3 28.Qd3 Qd5 (28...Ng2?! 29.Nc6 Re8 30.Nd4-+) 29.Qd2 Rb5 30.Rc1 Ra5 31.Rc8 Kf7 32.Rc7 Kf6 33.Kb2 (33.Qd3 Ng2 34.f4 Ne3-+) 33...Rb5 34.Ka1 (34.Kc1-+) 34...Ra5 35.Kb2 Rc5 36.Rc5 Qc5 37.Qd3 Qc3! 38.Qc3 dc3 39.Kc3 Ng2 40.Kd4 Ke6 0–1. Solovyev,Mikhail (2030) – Maksimov,Sergei Alexandrovic (2230), Tatarstan–ch op, 2009. (=1.e4 c5 2.b4 cb4 3.a3 b3)

4.c4 e5

5.Bb2 Nc6 6.Nf3 Bc5 7.Qb3 d6=+ 8.Nc3 Nf6 9.Bd3 a6 10.h3 Nh5 11.Nd5 0-0 12.g4 Nf6=+ 13.Ne3 Be6 14.Qc2 Rc8 15.Bc3 Be3 16.fe3 Na5 17.Rb1 Bc4 18.g5 Nd7 19.Ba5=+ Qa5 20.Bc4 d5?? 21.ed5+- b5 22.Qf5 Rc4 23.Qd7 Qa3 24.Ne5 (24.Ne5 Rc1 25.Ke2+-) 1–0. Shirazi,K (2420) – Lonnoy,R (1980), 4th Open Proville FRA (7), 2007.

5.Bb2 Qh4 6.Qe2 d6 7.Nf3 Qf4 8.d4 Bg4 9.Nbd2.

5.Qb3 Bc5 6.Qg3 Qf6 7.Bb2 Nc6 8.Nc3 Nge7 9.Nf3.

5.Qb3 Nc6 6.Nc3 Nd4 7.Qd1 Bc5 8.Nf3 d6 9.Be2.

5.Qb3 Nc6 6.Nf3 Bc5 7.d3 Qb6 8.Qb6 Bb6 9.Be3 Be3 10.fe3 d6 11.Nc3 Nf6 12.Be2 0-0 13.h3 b6 14.Rf1 Na5 15.Rb1 Bd7 16.Nh4 Rac8 17.Kd2 Rc5 18.Nf5 Bf5 19.Rf5 Rd8 20.Rff1 h6 21.a4 Nb7 22.Rb5 Ne8 (22...Rc7!?=) 23.Nd5+/- Kf8 24.Bh5 f6 25.Bg4 Kf7 26.Bh5 Kf8 27.Bg6 Na5 28.Rfb1 Nc6 29.Kc3 Ne7 30.Ne7 Ke7 31.a5 Rb5 (worse is 31...ba5 32.Rc5 dc5 33.Rb5+/-) 32.Rb5 ba5 (better is 32...Nc7!? 33.Rb3 ba5+=) 33.Bf5+/- a4?? (better is 33...Kf8+/-) 34.Rb7+- Kf8 35.Be6 (35.Ra7?! Kg8+-) 1–0. Hamann,Carsten (2215) – Hengst,Egbert, Schleswig Holstein–ch M, 2007. (=1.e4 c5 2.b4 cb4 3.a3 b3)

5.Qb3 Nf6 6.Nc3 (6.Qg3 Nc6 7.d3 Bc5 8.Nf3 d6 9.Be2) 6...Bc5 7.Be2 Nc6 8.Nf3 0-0 9.0-0.

5.Nf3 Nc6 6.Bb2 Qa5 7.Bd3 Bc5 8.Nc3 Nge7 9.Qb3 a6 10.Nd5 d6 11.Ne3 0-0 12.0-0 Rb8 13.Rad1 b5=+ 14.cb5 ab5 15.Be2 Qb6 16.d4 Nd4=+ 17.Nd4 ed4 18.Nd5 Nd5 19.ed5 Bf5 20.Qf3 Bg6 21.Bd3=+ Rfe8 22.h4 Re5-/+ 23.Rd2 Rbe8 24.Rfd1 Be4 25.Be4 Re4 26.Rd3 Rh4-+ 27.g3 Rhe4 28.Kg2 R8e5 29.Rh1 Qb7 30.Bc1 Qd5 31.Bf4 Rf5 0–1. Capron,Daniel (2135) – Milanovic,Di (2075), 3rd Open St Chely d'Aubrac FRA, 2003.

3.a3 Nc6

4.d4 d5 5.ed5 Qd5 6.Nf3 Bg4 7.Be2 e6 8.0-0 Nf6 9.c4 bc3! 10.Nc3 Qd8 11.Rb1 Rb8 12.Qa4 Qa5 (12...Bd6 13.Bg5 0-0 14.Nb5+=) 13.Bb5 (better is 13.Rb7! Qa4 14.Rb8 (14.Na4?? Rb7 15.Re1 Rb8-+) 14...Nb8 15.Na4=) 13...Qa4-/+ (13...Qc3? 14.Bc6 Qc6 15.Qc6 bc6 16.Rb8 Kd7 17.Rb7 Kc8 18.Rf7+-) 14.Ba4 Nd7 (14...Bf3!? 15.gf3 Kd7-/+) 15.Bf4+= Rc8 (15...Rd8 16.Rb7 Bf3 17.gf3 Nd4+-) 16.Rb7+= Bf3 17.gf3 g5 (better is 17...Nb6!? 18.Bb5 Kd8+/-) 18.Bc7+/- Nd4 19.Rd1 Bc5? (19...Bg7 20.Ne4 Ra8+-) 20.Ne4 Nf3 21.Kg2 Nh4 22.Kf1 (22.Kf1 0-0 23.Bd7 Rc7 24.Rc7+-) 1–0. Kopkan,Pavel (1905) – Balka,Ludvik (1840), Brno Duras BVK op–A, 2006. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

4.d4 e6 5.ab4 Bb4 (5...Qh4 6.Qd3 Nb4 7.Qe2+=) 6.c3= Ba5 (6...Bd6 7.Nh3=) 7.Nf3 (better is 7.d5 Nce7 8.Nf3=) 7...d6?? (7...d5 8.e5+=) 8.Qa4?? (better is 8.d5 Bd7 9.dc6 Bc6 10.Nd4+/-) 8...Bd7 (8...d5=) 9.Bb5 (9.d5!? ed5 10.ed5+=) 9...Bc7 (9...Bb6 10.Bg5 Qc7 11.Nfd2+=) 10.d5 ed5 11.ed5 Ne5 12.Ne5 de5 13.0-0 a6 14.Bd7 Qd7 15.Qb3 Bd6 (15...b5 16.Na3 Rb8 17.Nb1-/+) 16.Na3 (16.c4 Nf6=) 16...Nf6 (16...Bc5+=) 17.Nb5 (17.Nc4 Bc5 18.Be3 Be3 19.Ne3+=) 17...0-0?? (better is 17...Bc5 18.c4 0-0-/+) 18.Nd6+= Qd6 19.Ba3 Qd5 20.Qd5 Nd5 21.Bf8 Kf8 22.c4 Nf6 23.Rfe1 Nd7 24.Rad1 Ke7 25.f4 f6 26.Rb1 b6 27.f5 Rc8 28.Rec1 a5 29.Rb5 Rc6 30.Rd5 Rd6 31.Rcd1 Rd5 32.Rd5 Nc5 33.Kf1 a4 34.Ke1 a3 35.Rd2 Ne4 36.Ra2 Nd6 37.Ra3 Nf5 38.Ra6 Nd6 39.Rb6 Nc4 40.Rb7 Kf8 41.Ke2 Nd6 42.Rd7 Nf5 43.g4 Ne7 44.Ke3 Kf7 45.Kd3 Ke6 46.Ra7 g6 47.Kc4 f5 48.g5 f4 49.Kd3 Nc6 50.Rh7 Kf5 51.h4 Nd4 52.Rh8 Kg4 53.h5= Kg5 54.h6 Nf5 55.h7 Kh6 56.Ke4 Kg7 57.Ra8 Kh7 58.Ke5 f3 59.Kf4 f2 60.Ra1 Kh6 61.Rh1 Kg7 62.Rf1 Kf6 63.Rf2 Nh6 64.Rg2 g5 65.Rg5 Nf7 66.Rg8 Ke7 67.Rg6 Nd6 68.Ke5 Nf7 69.Kd5 Nd8 70.Rh6 Nf7 71.Re6 Kf8 72.Rg6 Ke7 73.Kc5 Kf8 74.Kb6 Ke7 75.Kc7 Ke8 76.Re6 Kf8 77.Kd7 Kg7 78.Ke7 Nh6 79.Rf6 Ng8 ½–½. Hummel,Thomas (1725) – Grasser,Stefan (1605), Nuremberg Zabo op 3rd, 2001.

4.d4 Nf6 5.d5= Ne5 6.f4 Ng6 7.e5 Ne4 8.Qd4 (better is 8.Qe2 f5 9.ef6+= (worse is 9.ab4 e6-/+)) 8...Nc3? (8...f5 9.ef6 (worse is 9.Qb4 e6 10.d6 Qh4 11.g3 Ng3-/+) 9...Nf6 10.ab4=) 9.ab4 (better is 9.Nc3 bc3 10.f5 (10.Qc3?! d6=) 10...Ne5 11.Qe5+-) 9...Nb1+= 10.Rb1 e6 11.d6 Nh4 12.c4 Nf5 13.Qf2 f6 14.Nf3 b6 15.g4 Nh6 16.h3 Bb7 17.Bg2 fe5 18.fe5 Nf7 19.0-0 Rc8?? (19...Qb8+-) 20.Ng5 Ne5 21.Bb7 Rc4 22.Nf7 Nd3 23.Qf3 Qf6 24.Qd3 Qd4 25.Qd4 Rd4 26.Nh8 Bd6 27.Bb2 Rb4 28.Bg7 Bc5 29.Kg2 Rc4 30.Rbc1 (30.Rbc1 Rc1 31.Rc1+-) 1–0. Lukas,Norbert (2140) – Funda,Danny, Gelsenkirchen–ch, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6)

4.ab4 a6

5.b5 Nb8 6.d4 d5 7.ed5 Nf6 8.Nf3 +-.

5.b5 Nb8 6.d4 d6 7.Nf3+- e6 8.Bd3 Be7 9.0-0 a5 10.e5 (10.c4 Nf6+-) 10...de5 11.de5 (11.Ne5?! Qd4 12.Nc4 Qa1+=) 11...Nd7 12.Qe2 Nc5 13.Rd1 Qc7 14.Na3 (14.Nc3 Nh6+-) 14...Nd3 (14...Bd7!?+-) 15.Qd3 (15.cd3?! Bd7+/-; 15.Rd3?! Bd7+/-) 15...Bc5? (15...Nh6 16.Nc4 0-0 17.b6+-) 16.b6 (16.Nc4 f6+-) 16...Qb6 (16...Bb6 17.Nc4 Bc5 18.Ba3+-) 17.Rb1 Qc7 (17...Bf2 18.Kf1 Ne7 19.Rb6 Bb6 20.Qb5 Nc6 21.Qb6+-) 18.Nb5 Qe7 19.Nd6 Kf8 20.Qb5 (20.Ba3 Ba3 21.Qa3 b5 22.Rb5 Bd7+-) 20...Bd6? (20...Bb4+-) 21.ed6 (21.Rd6?! g6+-) 21...Qd7 22.Ne5 Qb5 23.Rb5 Nf6 (23...f6 24.Ba3 Ke8 25.d7 Bd7 26.Nd7+- (26.Rd7?! fe5 27.Rbb7 Rd8 28.Rd8 Kd8+-)) 24.d7 Nd7 25.Nd7 (25.Rd7?! Bd7 26.Nd7 Ke7 27.Rb7 Rhd8 28.Nb6 Ke8=) 25...Ke7 (25...Bd7 26.Rd7 b6 27.Rb6 h5+-) 26.Ba3 Ke8 27.Nb6 Rb8 (27...f6 28.Na8 Kf7+-) 28.Rc5 1–0. Ayza Leon,David (2195) – Baktache,Mohamed Ali (2050), Benidorm ESP, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 a6)

5.b5 Nb8 6.d4 e6 7.Bd3 d5 8.e5 Qb6 9.Nf3 Bd7 10.Qe2 Ne7 11.Bd2 Qd8 12.h4 a5 13.Nc3 Nc8 14.Na4 b6 15.Ng5 Be7 16.Qf3 Bg5 17.hg5 g6? (17...Ne7!?+/-) 18.Qf6 Qf6 19.gf6 h5 20.g4 h4 21.Bg5 h3 22.Rh2 Kd8 23.Ke2 Kc7 24.Kf3 Na7 25.Rb1 Na6 26.c3 Nb4 27.cb4 Bb5 28.ba5 Bd3 29.ab6 Kc6 30.Rc1 (30.ba7 Bb1 31.Kg3 Ra7+=) 30...Kb5 31.ba7 Ka4 32.Kg3 Kb5 33.Rc7 Rhf8 (33...Kb6 34.Rf7 Bf1 35.Rh1+-) 34.Bh6 (34.Rh3?! Kb6 35.Re7 Ra7+-) 34...Rfc8 35.Rf7 Kb6 (35...Kc4 36.Re7 Bf1 37.f7+-) 36.Rh3 Rc3 37.Be3 Ra7 (37...Ra3 38.Rhh7 Rc3 39.Rb7 Ka6 40.Rb8 Ra7 41.Ra7 Ka7 42.Rg8+-) 38.Ra7 Ka7 39.Rh7 Kb6 40.f7 Rc8 41.Bh6 g5 42.Rg7 Rf8 43.Bg5 1–0. Wege,Jochen – Haase,Wolfgang, Hessen qual, 1991. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

5.b5 Ne5 6.d4 Ng6 7.f4 e6 8.c3 d6 9.Nf3 Bd7 10.ba6 ba6 11.Ra6 Ra6 12.Ba6 Qb6 13.Bd3 Be7 14.Be3 Qc7 15.0-0 Nf6 16.Qc2 (16.f5 ef5 17.ef5 Nd5+-) 16...Ng4 17.Bd2 Nf6 18.Bc1 0-0 19.Nbd2 (19.f5 ef5 20.ef5 Nh8+/-) 19...Bc6 (19...Nf4 20.Ng5 e5 21.Ngf3=) 20.Ba3 (20.Ng5!?+/-) 20...Nf4= 21.Nc4?? (better is 21.e5 de5 22.Be7 Qe7 A) worse is 23.de5 Ng4+= (worse is 23...Nd3 24.Qd3 Qc5 25.Qd4=); B) 23.Ne5 Nd3 24.Qd3=) 21...Nd3-+ 22.Qd3 Bb5 23.Nfd2 Rc8 (better is 23...d5!? 24.ed5 Ba3 25.de6 Bd6 26.ef7 Rf7-+) 24.e5-/+ Ne8 (better is 24...Bc4 25.Nc4 Qc4 26.Qc4 Rc4 27.ef6 Bf6 28.Bd6 Rc3-/+) 25.Qf3= f6 26.ed6 Bd6 27.Nd6 Nd6 28.Bd6 Qd6 29.Rb1 Bc6 30.Qe3 Qd5 31.Nf3 Qe4 32.Qe4 Be4 33.Rc1 Bd5 34.Kf2 Kf7 35.Nd2 Ra8 36.c4 Bc6 37.Kg3 Ra2 38.Nf3 h6 39.Rb1 Rc2 40.c5 Rc3 41.Rb6 Bd5 42.Kg4 g6 43.Ra6 h5 44.Kg3 g5 45.Kf2 Kg6 46.Ra1 Kf5 47.Re1 Rc2 48.Re2? Rc4?? 49.Rd2-/+ Kf4 50.Ne1 Be4 51.Nd3 Bd3-/+ 52.Rd3 Ke4 53.Re3 Kd5 54.Rd3 f5 55.Kf3 e5 56.de5 Ke5 57.Rd6 Rc5 58.Rg6 Rc3 59.Kf2 g4 60.Rh6-/+ Rc2 61.Kg1 Kf4 62.Rh5 g3 63.hg3 Kg4 64.Rh4 Kg3 65.Rh3 Kg4 66.Rf3 f4 67.Rf2 Rc1 68.Rf1 ½–½. Marchena Hurtado,Javier – Fraile Rojo,Juan, Alfaro op, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4)

5.c3 e6 6.Nf3 d6 7.d4 Nf6 8.b5 Nb8 9.ba6 Na6 10.Bb5 Bd7 11.Bd7 Qd7 12.e5 de5 13.Ne5 Qc7 14.0-0 Bd6 15.Ba3 (15.Qa4 Nd7 16.Bf4 Ke7=) 15...Ba3 (15...Be5!? 16.de5 Qe5=+) 16.Na3 (16.Qa4 Kf8 17.Qa3 Kg8+/-) 16...0-0 (16...Qc3 17.Qa4 Ke7 18.Rfc1+/-) 17.Nb5 Qb6 18.Qe2 Rac8 (18...Rfd8 19.Qc4+=) 19.c4 (19.Rfb1+/-) 19...Rfd8 (better 19...Nc7!? 20.Nc7 Qc7+=) 20.c5 Qb5?? (better 20...Nc5 21.dc5 Qc5+/-) 21.Qb5 Rc7 (21...Rb8 22.Rfb1 Nd5 23.Qb3+-) 22.c6 Rd5 (22...Nb8 23.cb7 g6+-) 23.Ra6 ba6 (23...Rb5?? 24.Ra8 Rc8 25.Rc8 Ne8 26.Re8) 24.Qb8 Rd8 (24...Rc8 25.Qc8 Rd8 26.Qd8 Ne8 27.Qe8) 25.Qd8 (25.Qd8 Ne8 26.Qe8) 1-0. Mukhina,Jana (2065) - Natoli,Alessia, Djerba Women Online, 2020. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4)

5.d4 e6 6.c3 d5 7.e5 f6 8.b5 Nce7 9.Nf3 fe5 (9...Qc7!?+=) 10.Ne5+- Nf6 (10...Ng6 11.Ng6 hg6 12.ba6 ba6 13.Bb5 Kf7 14.Qf3 Nf6 15.Bf4+-) 11.Bd3 (11.ba6 ba6 12.Bg5 Rg8 13.Bb5 Bd7 14.Bf6 ab5 15.Qh5 g6 16.Qh7 Rg7 17.Bg7 Qc8 18.Ra8 Qa8 19.Bf8 Kd8 20.Qe7 Kc7 21.Qd7 Kb6 22.Qe6 Ka7 23.Bc5 Kb8 24.Qe8 Kb7 25.Qc6 Kb8 26.Nd7) 11...g6 12.Qe2 (12.ba6 ba6 13.Qf3 Nf5+-) 12...a5+- 13.Nd2 Bg7 14.Ba3 (14.0-0 0-0+-) 14...0-0 15.0-0 Re8 ½–½. Winter,Kevin (1825) – Iannello,Antonio (1930), 5th Terre Degli Elimi Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 a6)

4.ab4 Nb4

5.Ba3 Qa5 6.c3 Nc6=+ 7.Nf3 d6 8.Bd3 Nf6=+ 9.0-0 Bg4 10.h3 Bf3 11.Qf3 Ne5 12.Qe3 Nd3 13.Qd3 Qe5 14.Re1 g6 15.Qc2 Bg7 16.d4 Qa5 17.Bb2 Qc7=+ 18.Nd2 Nd7 19.Nf3 0-0 20.c4 Rfc8 21.Rac1 Qb6 22.Ba1 Rc6 23.d5 Rcc8 24.Kh1 Qc5 25.Bg7=+ Kg7 26.Qe2 Qb6 27.Nd2 Rc7 28.f4 Rac8 29.Rc3 Qd4 30.Rec1 a6 31.Nb3 Qa7 32.g4 b5 33.Qb2 Kg8 34.cb5 Rc3 35.Rc3 Rc3 36.Qc3 ab5 37.Kg2 Nc5 38.Nc5-/+ Qc5 39.Qc5?? dc5-+ 40.Kf3 b4 41.Ke3 c4 42.Kd4 b3 43.Kc3 Kf8 44.h4 Ke8 45.h5 Kd7 46.e5 f6 47.f5 gf5 48.gf5 fe5 0–1. alaamattar (2160) – rpatru (2180), net–chess.com, 2010.

5.Ba3 Qb6 6.c3 Nc6 7.d4 d6 8.Nd2 Nf6 9.Rb1 Qa5 10.Bb4 Qc7 11.Bb5 Bd7 12.Ngf3 g6 0–1. chessleon (2005) – alaamattar (2160), net–chess.com, 2010.

5.Ba3 e5 6.c3 Nc6 7.d4 Ba3 8.Na3 d6 9.d5 Nce7 10.Nf3 Nf6 11.Qb3 0-0-/+ 12.Be2? Ne4-+ 13.Bd3 Nc5 14.Qc2 Nd3 (14...Nd3 15.Qd3 Qa5-+) 0–1. chessleon (2005) – ditto (2035), net–chess.com, 2010.

5.Na3 e5 6.Nf3 Nc6 7.c3 Nf6-/+ 8.Qc2 a6 9.Be2 Be7 10.0-0 0-0 11.Bb2 (11.d4 d6+=) 11...d6 12.d4 ed4 13.Nd4 Bd7 14.f3 (14.c4 Qc7+=) 14...Rc8 (14...d5 15.Nc6 Bc6 16.e5-/+) 15.Qd1 (15.Qb3 d5 16.ed5 Nd4 17.cd4 Bf5-/+) 15...Ne5 (15...d5 16.Bd3-+) 16.Kh1 (16.c4 Qb6 17.Qd2 Rfe8-/+) 16...Qe8 (16...d5 17.ed5 Nd5 18.Qb3-/+) 17.Qe1 (17.c4 Be6+=) 17...Ng6 (17...d5 18.ed5 Nd5 19.Qd2-/+) 18.Bc1 (18.Nc4+=) 18...Ne5 (18...d5 19.ed5 Nd5 20.Bc4-/+) 19.Nac2 (19.Bb2 d5-/+) 19...Ng6 20.Bd2 (20.Na3 d5-/+) 20...Ne5 (20...d5 21.Qb1 Rc7 22.Ne3 de4 23.fe4-/+) 21.Ne3 (21.Bc1 Be6-/+) 21...Nc6 22.Ndf5 Ne5 23.f4 Ng6+= 24.Bd3 Bc6 25.Nd1 Qd7 26.Nf2 Rfe8 27.Nd4 Bf8 28.Nc6 Qc6 29.c4 Qd7 30.Qb1 Ng4 31.Nh3 Qc6 32.Ng5 Be7 33.Nf3 Bf6 34.Ra2 Nh4 35.h3 Nf3 36.gf3 Nh6 37.f5 Bd4 38.Qc1 Qc5 39.Bh6 gh6 40.Qh6 Qe5 41.Rg2 Kh8= 42.Rc1 ½–½. Aufmwasser,Guenter (1775) – Boensch,Detlef, Seefeld op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

5.Na3 e5 6.Nf3 Nc6 7.Bc4 Be7 8.0-0 Nf6 9.Bb2 d6 10.d4 ed4 11.Nd4 0-0 12.Re1 Ne5 ½–½. Detko,Jan (2120) – Janco,Darius (2075), SVK–chT2B, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.Ra4 a5 +=.

5.Ra4 e5 6.Nf3 Qc7 7.Nc3 Nf6 8.Ba3 Nc6 9.Qa1 d6 10.Nd5 Nd5 11.ed5 Ne7 12.Ne5 de5 13.d6 Qd7 14.de7 Qa4?? (better is 14...Be7 15.Qe5 Qe6 16.Bb5 Kf8=) 15.ef8Q+- Rf8 16.Qe5 Kd8 17.Qe7 1–0. Barahona Torrijos (2010) – Gonzalo Gonzalez (1875), Collado Villalba op, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.Ra4 e5 6.Nf3 Nf6 7.c3 Nc6 8.Bb5 Be7 9.d4 ed4 10.cd4 d5 11.ed5 Nd5 12.Ne5 0-0 13.Nc6 bc6 14.Bc6 Rb8 15.Bd2 (15.Ra1!?-/+) 15...Bf5-+ 16.Ra1 Nb4 17.Bb4 Bb4 (worse is 17...Rb4 18.0-0-+) 18.Kf1 Qd6 19.d5 (19.Bf3 Rfe8 20.Be2-+) 19...Qe5 (19...Qf6 20.Ra2 Bc5 21.Bb7 Rb7 22.Nc3 Qc3 23.h4-+) 20.Ra7?? (better is 20.Ra2-+) 20...Qb2 (20...Bd3 21.Kg1 Bc5 22.h3 Rb1 23.Qb1 Bb1 24.Re7 Be7 25.Bb5 Qe1 26.Bf1 Bc5 27.Kh2 Bd6 28.Kg1 Bd3 29.f4 Qe3 30.Kh2 Qf4 31.g3 Qg3) 21.d6 Bc5 (21...Bc5 22.Nd2 Bd3 23.Ke1 Ba7-+) 0–1. Barahona Torrijos,Angel (1885) – Sotoca Aguado,Jose (1975), Madrid ESP, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

5.Ra4 e5 6.Nf3 Nf6 7.Nc3 Bc5 8.Ba3 Qe7 9.Bb4 Bb4 10.Nb5 0-0 11.Na7 (11.Nc7 Rb8-/+) 11...Ne4 (better is 11...Qc5 12.Qb1 Bd2 (12...Ra7?! 13.Qb4 Qb4 14.Rb4+=) 13.Nd2 Ng4 (13...Ra7?! 14.Ra7 Qa7 15.Bd3-/+) 14.Nc8 Ra4-+) 12.c3? (better is 12.Qb1 Ra7 13.Qb4 Qb4 14.Rb4-+) 12...Nf2?? (better is 12...Qc5 13.Qa1 Nc3 (13...Qf2?! 14.Kd1-+) 14.Rb4 Qb4 15.dc3 Qc5-+) 13.Kf2?? (better is 13.Nc8 Nd1 14.Ne7 Be7 15.Ra8 Ra8 16.Kd1+=) 13...Bc5-/+ 14.d4 Ra7 15.dc5+= Qc5 16.Kg3 Ra4 17.Qa4 d5 18.Qb4 Qc7 19.Kf2 e4 20.Nd4 Qf4 21.Ke1 Qc1 22.Kf2 Qd2 23.Ne2+= Bf5 24.Qd4 Qa2 25.Ke3 Be6 26.Ng3 f5 27.Nh5 f4 28.Nf4 g5 29.Ne2 Qa1?? 30.Qe5+- d4 31.Qd4?? Rf1+/- 32.Rf1 Qf1 33.Qe4 Qf7 34.Qe5 h6 35.Nd4 Bc8 36.Nb5 Qe6 37.Kd4 Qb6 38.Kc4 Be6 39.Kb4 Qc6 40.Qc7 Qg2-/+ 41.Qd8 Kg7 42.Qe7 Bf7 43.Qe5 Kg8 44.Nd6 Qb2 45.Kc5 Qa3 46.Kb6 Qa6 47.Kc7 Qc6 48.Kb8 b5 49.Qe7 Qb6 50.Kc8 Qc6 51.Kb8 ½–½. Barahona Torrijos,Angel (1885) – Villanueva Ortega,Ruben (1610), Madrid ESP, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

5.Ra4 e6 6.Ba3 Qb6 7.c3 Nc6 8.Bf8 Kf8 9.Na3 Nf6 10.Nf3 d5 11.ed5 ed5 12.Nd4 (12.Be2!?+=) 12...Bg4 13.f3 Bd7 14.Be2 g6 15.0-0 Kg7 16.Kh1 Rhe8 17.Nac2 a6 18.Ne3 Rad8 19.Qe1 Ne7 20.Rb4 Qc7 21.Qh4 Qc8 (21...b5 22.Rb2+=) 22.Bd3 (22.Rb6 Bc6=) 22...Nfg8 23.f4 Nh6 24.f5 Bf5 25.Bf5 Nef5 26.Ndf5 Nf5 27.Nf5 gf5 28.Qg5 Kf8 29.Qh6+/- Kg8 30.Rh4 Qe6 31.Qh7 Kf8 32.Rhf4 Qg6 33.Qh3 Re6 34.Rf5 Rd7 35.Qh8 Qg8 36.Qh5 Qg6 37.Qh8 Qg8 38.Qh5 Qg6 39.Qh4 Re4 40.Qh8 Qg8 41.Qh5 Qg7 42.g3 Rde7 43.Rg5 R4e5 44.Rf7! Rf7 45.Re5 Qf6 46.Qe2 Qc6 47.d4 a5 48.g4 a4+/- 49.g5 a3 50.Re6?? a2-+ (50...a2 51.Rc6 a1Q 52.Kg2 bc6-+) 0–1. Dos Santos,B (2015) – Bil,A (2100), Zonal, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.Ra4 e6 6.Ba3 Nc6 7.Bf8 Kf8 8.Nf3 a6 9.d4 Rb8 10.d5 ed5 11.ed5 b5 12.Ra3 Nce7 13.Be2 d6 14.0-0 Nf6 15.Re1 Ned5 16.c4 Nf4 17.cb5 ab5 18.Nd4 b4 19.Ra4 Bd7 20.Ra6 Rb6 21.Ra7 Qb8 22.Ra5 d5 23.Nd2 g6 24.N2b3 Kg7 25.Bf3 Rc8 26.Qa1 Rc3 0–1. Skorna,Ullrich (2195) – Mauro,Lucio (2225), CFriend AC–2005–Q–00006 email, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.c3 Na6 6.d4 e6 7.Bd3 Nc7 8.f4 d5 9.e5 Ne7 10.Ne2 Bd7 11.0-0 g6 12.Qb3 Bc6 13.Nd2 Nf5 14.Nf3 Be7 15.Ba3 0-0 16.Rfb1 Ba3 17.Qa3 Qe7 18.Qc1 Nh4 19.Nd2 a6 20.Qc2 Nf5 21.Bf5 ef5 22.Qa2 Ne6 23.Nf1 Rfd8 24.Ne3 Rac8 25.Rb2 f6 26.g3 fe5 27.fe5 Qg5 28.Ng2 Bb5 29.Qb3 Be2 30.Re2 f4 31.Rf1 fg3 32.hg3 Qg3 33.Qb7 Ng5 34.Re3 Nh3 35.Kh1 Nf2 36.Kg1 Nh3 37.Kh1 Nf2 ½–½. Leeners,Henk JM – Hanssen,Frans WG, NED–Cup corr, 1995. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.c3 e5?? 6.cb4+- Bb4 7.Ba3 Ba5 8.Bc4 Nf6 9.Nf3 d6 10.0-0 Ne4 11.d4 Bb6 12.de5 0-0 13.ed6 Bd7 14.Qd5 Bc6 15.Qd3 Ng5? 16.Bd5 Bd5 17.Qd5 Ne6 18.d7 Nc7 19.Qd3 Ne6 20.Bf8 Nf8 21.Rd1 Ne6 22.Nc3 Nf4 23.Qe4 Ne6 24.Nd5 Bc5 25.Ne5 Bd6 26.Qf5 Be5 27.Qe5 Nc5 28.Ra3 Nd7 29.Qg3 Nc5 30.Rf3 Ne6 31.Nf6 Kh8 32.Rd8 Rd8 33.Rd3 Rc8 34.Rc3 Rd8 35.Rc1 gf6 36.f3 b5 37.Ra1 Nd4 38.Ra7 Ne2=+ 39.Kf2 Ng3 40.Kg3 Rd4 41.Rf7+= Kg8 42.Rf6 b4 43.Rb6 Kg7 44.Kf2 Rc4 45.g4 1–0. rpatru (2180) – ditto (2035), net–chess.com, 2010.

5.Nc3 b6 6.Ba3 e6 7.Rb1 Nc2 8.Qc2 Ba3 9.Nb5 Bc5 10.d4 a6 11.dc5 ab5 12.Bb5 bc5 13.Ne2 Qc7 14.0-0 Nf6 15.f4 Bb7 16.Nc3 c4 17.Rbe1 0-0-+ 18.f5 Ng4 19.fe6?? Qh2# 0–1. rogeliovargas (2180) – pcmvr (2840), net–chess.com, 2010.

5.Nc3 d6 6.Bc4 Nf6 7.Ba3 Nc6 8.Nge2 g6 9.0-0 Bg7 10.h3 0-0 11.d3 a6 12.Bb2 Bd7 13.Nd5 Nd5 14.Bg7 Kg7 15.ed5 Ne5 (15...Na5 16.Re1-/+) 16.Bb3+= g5 17.f4 gf4 18.Nf4 Ng6 19.Nh5 Kh8 20.Qd2 f6 21.Rae1 Rg8 22.Re4 Bh3! 23.Rf3 Bg2! 24.Qg2 Nh4 25.Rh4 Qb6 26.d4 Rg2 27.Kg2 Rg8 28.Kf2 Qa5 29.Ng3 Qd2 30.Ne2 Qg5 31.Rfh3+= Rg7 32.Bc4 Kg8 33.Bd3 Qd5 34.Bh7+= Kf8 35.Be4 Qb5 36.Nf4+/- Qc4?? 37.Rh8+- Rg8 38.Ng6 Kg7 39.R3h7# 1–0. Bach,Matthias (2270) – Rasmussen,Lars (1955), Helsingor DEN, Politiken Cup, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.Nc3 e5 6.Ba3 Nf6 7.Nf3 Bc5 8.Na4 Ne4?? (better is 8...Be7+=) 9.Nc5+- Nc5 10.Bb4 Ne4? (better is 10...Qb6 11.Ba5 Qe6+-) 11.Qe2 d5 (11...f5 12.d3 Qb6 13.c3+- (13.de4?! Qb4 14.Nd2 Qc3+-)) 12.d3 (better is 12.Qb5 Bd7 13.Qd5 Ng5 14.Ng5 Qg5 15.Qb7 Rd8+-) 12...Nd6 (12...Qb6 13.c3 Nf6+-) 13.Qe5 Be6 14.d4 Kd7 15.Qd6 Kc8 16.Qd8 Rd8 17.Ba3 b6 18.Ba6 Kc7 19.Ne5 1–0. Utrera,Ludovic (1735) – Bigonnet,Jean Michel (1755), Aveugle rap blindfold 3th rapid, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.Nc3 e6 6.Ba3 a5 7.Nf3 d5 8.ed5 ed5 9.Bb5= Bd7 10.Bb4 Bb5? 11.Bf8+- Bc6?? 12.Bg7 Qe7 13.Qe2 Qe2 14.Ne2 (14.Ne2 f6 15.Bh8+-) 1–0. rogeliovargas (2180) – chessleon (2005), net–chess.com, 2010.

5.c4 e6 6.Nc3 b6 7.d4 g6 8.Nf3 Bg7 (better is 8...Bb7!?=) 9.Nb5+/- Nc6 (9...d5 10.Qa4 a5 11.Nc7 Ke7 12.Na8 de4 13.Ne5 Qd4 14.Qb4 ab4 15.Nc6 Kd6 16.Nd4 Bd4 17.Ra7+-) 10.Nd6 (better is 10.Bf4!? e5 11.Ne5+-) 10...Kf8+/- 11.e5 Nh6 (11...f6 12.Ba3 (12.Nc8?! Rc8 13.Be2 fe5=) 12...Nge7 13.Ng5+/-) 12.Ng5 (12.Bd3!?+/-) 12...f6 13.Qf3 f5 (13...Nf5 14.Ne6 de6 15.Nf5 ef5 16.Qc6 Bd7 17.Qd6 Kf7 18.Qd5 Be6 19.Qd8 Rhd8+= (19...Rad8? 20.Ra7 Rd7 21.Rd7 Bd7 22.f4+-)) 14.Ne6!+- de6 15.Qc6 Bd7 16.Qb7 Nf7 17.Ra7 Ra7 18.Qa7 Nd6 19.Ba3 (19.ed6?! Bd4 20.Be3 Be3 21.fe3 Bc6+=) 19...Kf7 20.Bd6 (20.ed6?! Bd4 21.Bd3 Qc8=) 20...Bf8 21.Bc7?? (better is 21.Bd3+-) 21...Bb4-/+ 22.Ke2 Qh4 23.f3?? (23.Qb7 Qg4 24.Qf3 Qd4 25.Qd3 Qb2 26.Kf3 Bc6 27.Kg3 f4 28.Kh3 Qf2 29.Bb6 Qb6 30.c5 Qc5 31.Qc4 Qe3 32.g3-+) 23...Qd4 (23...Qe1 24.Kd3 Qd2) 24.Bb6 Qd2# 0–1. Zelinsky,A (2090) – Samosyuk,Volodymyr, 1st Evgen Zaveriukha Mem, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

5.Bc4 Qc7 6.Bb3 Nf6 7.Ba3 e6 8.d3 d5 9.Nd2 de4 10.de4 Bc5 11.Ngf3 0-0 12.c3?? Nd3-+ 13.Ke2 Nf2 14.Qc2 Nh1 15.Rh1 Ba3 16.g3 Bc5 17.Rd1 Ng4 18.Rf1 Bd7 19.Qd3 Rad8 20.Qc4 a6 21.Bc2 Bb5 22.Bb3 Bc4 23.Bc4 b5 24.Bd3 Be3 25.Nb1 Rd3! 26.Kd3 Qc4 (26...Qc4 27.Kc2 Qa2 28.Kd1 Qb1 29.Ke2 Qc2 30.Ke1 Rd8 31.c4 Rd1) 0–1. ditto (2035) – pierred (2755), net–chess.com, 2010.

5.Bc4 Qc7 6.Bb3 Nf6 7.Nc3 Ne4 8.Ne4 Qe5 9.d3?? Qa1-+ 10.Nf3 d5 11.Ned2 a5 12.0-0 b5 13.Re1 e6 14.Ng5 Be7 15.Qf3 Bg5 16.Bd5 Ra6 17.Nb3 Qc3 18.Rd1 Bc1 19.Rc1 ed5 20.Qe2 Re6 21.Qh5 Re1 22.Re1 Qe1 0–1. rogeliovargas (2180) – pierred (2755), net–chess.com, 2010.

5.Bc4 Qc7 6.d3 b5 7.Bb3 a5 8.Qf3 Nf6-/+ 9.Bd2 e6 10.Ne2 a4 11.Ba2?? Nc2-+ 12.Kf1 Na1 13.Nbc3 Nb3 14.Bg5 b4 15.Nb5 Qe5 16.Bf6 Nd2 17.Ke1 Nf3 18.gf3 gf6 19.Bc4 Qa1 20.Kd2 Qh1 21.Nc7 Kd8 22.Na8 Qf3 23.Nd4 Qf2 24.Ne2 Bh6 25.Kd1 b3 26.h3 Qf1# 0–1. ditto (2035) – pcmvr (2840), net–chess.com, 2010.

5.Bc4 Qc7 6.Nf3?? Qc4-+ 7.d3 Nc2 8.Ke2? Qc5 9.Ba3 Na3 10.Na3 Nf6 11.Nc4 g6 12.Qd2 Ne4! 13.Qe1 Bg7 14.Ra5 Nc3 15.Kf1 Qc7 16.Ng5 0-0 17.Qc3 Bc3 18.Ra2 d5 19.Ne3 Bf6 20.Nf3 Qc1 21.Ne1 Bc3 22.N3c2 d4 23.Ra5 Ba5 24.g3 Bh3 25.Ke2 Bg2! 26.Rg1 Qd2 0–1. ditto (2035) – rogeliovargas (2180), net–chess.com, 2010.

5.Bc4 e6 6.d3 d5 7.ed5 ed5 8.Nf3?? dc4-+ 9.Qe2 Be7 10.Bb2 Be6 11.Bg7 cd3 12.cd3 Nd3 13.Kf1 Bc4 14.Nfd2 (14.Nfd2 Rc8 15.Nc4-+). ditto (2035) – chessleon (2005), net–chess.com, 2010.

5.Bd3 Nd3-/+ 6.cd3 d5 7.e5 Bf5 8.Nf3 Bd3 9.Bb2 e6 10.Nc3 Ne7 11.Qa4 Nc6 12.Qf4? Be7 13.Nd4 0-0 14.Qg3 Bg6 15.0-0?? Nd4 16.Nd1 Ne2 17.Kh1 Ng3 18.fg3 a6 19.d4 Qb6 20.Bc3 Bd3 21.Rf4 Bb4 22.Bb2 Qc7 23.Rc1 Qe7 24.Nf2 Bc4 25.Rb1 a5 26.Bc1 f6 27.Ng4 fe5 28.Ne5 Ba6 29.Be3 Bc3 30.Rg4 Kh8 31.Bc1 Rf2 32.Be3-+ Re2 33.Bf4 Bd4 34.Bg5 Qa3 35.Rd4 Rc8 36.h4 Qg3 37.Rg4 Re1 38.Re1 Qe1 39.Kh2 Qe5 40.Bf4 Qe2 41.Kh3 Rc3 42.Bg3 Bd3 43.Rf4 Be4 44.Rf2 Qe3 45.Rf8# 1–0. ditto (2035) – rpatru (2180), net–chess.com, 2010.

5.d4 a6 6.c3 Nc6 7.Na3 e6 8.Bf4 d6 9.Nf3 Be7 10.d5 ed5 11.ed5 Na7 12.Nc4 Nf6 13.Be3 0-0 14.Nb6= Rb8 15.Bd3 Bg4 16.Qc2 Nb5 17.c4 Nc7 18.h3 Bf3-/+ 19.gf3 Nce8 20.h4 Qc7 21.h5 h6 22.Kd2 Nd7 23.Rhg1?? Nb6-+ 24.Bh6 Kh8 25.Be3 Bf6 26.Rab1 Qd8?? 27.Bb6 Qe7 28.Rbe1 Bg5 29.Be3 Be3+= 30.fe3 Qf6 31.Qc3 Qf3?? 32.Ref1 Qh3+/- 33.h6! Qh2 34.Kc1 Rg8?? 35.Rh1+- Qe5 36.hg7 Kg7 37.Rh7 (37.Rh7 Kf8 38.Rff7) 1–0. gregorgysi (2245) – lopesqwf (2100), net–chess.com, 2010.

5.d4 a6 6.c3 Nc6 7.Na3 g6 8.Nf3 Bg7 9.Bd3 b5 10.Nb5 Bb7 11.Na3 Nf6 12.d5 Na5 13.Qa4 0-0? (better is 13...Ne4!? 14.Be4 Bc3 15.Bd2 Ba1 16.Ba5 Qb8+=) 14.Nc2 Ne4 15.Be4 (15.Qe4?! Bc3 16.Bd2 Ba1 17.Na1 Rc8+=) 15...Bc3 16.Bd2 Ba1 17.Ba5 (17.Qa1?! Nb3 18.Qa3 Nd2 19.Nd2 Qb8=; 17.Na1?! Qc7 18.Qa5 Qa5 19.Ba5 f5+-; worse is 17.Qa5 Qa5 18.Ba5 Bg7-/+) 17...Bg7?? (17...Qe8 18.Qa1 f5+-) 18.Bd8 Rad8 19.d6! (19.d6 Bc6 20.Bc6 dc6 21.de7+-) 1–0. b4_player – manne, casual, 2013.

5.d4 Nc6 6.d5 Nb8 7.c4 b6 8.Nc3 d6 9.Nf3 g6 10.Bf4 (10.Qa4 Bd7 11.Qb3 Bg7+=) 10...Bg7= 11.e5 (11.Nd4 Nf6=) 11...Nd7 (11...Bg4 12.Be2 Nd7 13.0-0 Bf3 14.Bf3 Ne5 15.Qa4 Qd7 16.Be2 Nf3 17.gf3 Bc3 18.c5 Qa4 19.Ra4 bc5 20.Rc1-+) 12.Qa4 Kf8 (12...de5 13.Be5 Be5 14.Ne5 Qc7+=) 13.Ne4?? (better 13.Qc6 de5 14.Be3=) 13...Ne5-/+ 14.Ra3 (14.Ne5 Be5 15.Be5 de5-+) 14...Nf3 (14...Nf6 15.Nf6 Bf6 16.Ne5 Be5 17.Bh6 Bg7 18.Be3-+) 15.Rf3 Nf6 16.Nf6 Bf6 (16...ef6?! 17.Qa3=) 17.Bh6 Bg7 (17...Kg8 18.Be2-+) 18.Qa1 (18.Bg7 Kg7 19.Qa1 f6-/+) 18...f6 (18...Rg8 19.Bg7 Rg7 20.Bd3-/+) 19.Bd2 Bd7 (19...e5 20.de6 Be6 21.Bd3-/+) 20.h4 (20.Bd3 f5 21.Bc3 Bf6-/+) 20...h5 (20...f5 21.Bh6 Rg8 22.Bg7 Rg7 23.Bd3-/+) 21.Bd3 f5 (21...Kf7 22.0-0=+) 22.Qa3 (22.Bc3 Bf6-/+) 22...Bf6 (22...Kf7 23.0-0-/+) 23.Bg5 (23.Bc3 Qc7-/+) 23...Kg7 (23...Qc7 24.0-0-/+) 24.Re3 (24.Bf6 ef6 25.Qd6 Re8 26.Kd2 Qe7 27.Qe7 Re7=) 24...Re8 (24...Qc7 25.0-0 Rhe8 26.Rfe1-/+) 25.Bf6 Kf6 26.Qc3 (26.0-0!?-/+) 26...Kf7-+ 27.g4 (27.Qa3 Qc7-+) 27...e5 (27...hg4!? 28.h5 Rh8 29.hg6 Kg6 30.Rg1-+) 28.de6 (28.gh5 gh5 29.Be2 Rh8-/+) 28...Re6 29.gf5 (29.gh5 gh5 30.Kd2 Qh8-/+) 29...Re3 (29...gf5 30.Kd2 Qh8 31.Be2-/+) 30.fe3 gf5 (worse 30...Bf5 31.Bf5 gf5 32.Qd3=) 31.Qd4 Bc6 (31...Rc8!?-/+) 32.Rg1 (32.Rf1 Qh8 33.Qd6 Qc3 34.Ke2 Qb2 35.Kd1 Ba4 36.Ke1 Qc3 37.Ke2 Qb2 38.Kf3 Qf6 39.Qc7 Qe7=) 32...Qf6 (32...Qh8 33.Bf5 Qd4 34.ed4=+) 33.Bf5 Qd4 (33...Qf5 34.Qg7 Ke8 35.Qh8 Ke7 36.Rg7 Ke6 37.Qh6 Qf6 38.Rg6+-) 34.ed4 Bf3?? (34...Kf6 35.Bd3=) 35.Kf2?? (better 35.Rf1 Re8 36.Kd2+-) 35...Kf6 (35...Bg4 36.Bg4 hg4 37.Rg4=) 36.Kf3 Kf5 37.Rg5 Kf6 38.Ke4 a5 (38...Rh8 39.Rf5 Ke6 40.Rg5=) 39.Rh5 a4 40.Rf5 Kg6 (40...Ke7 41.Rf2=) 41.Rf2 Ra5 (41...Kh5 42.Ra2=) 42.Kd3 (42.Ra2 a3=) 42...d5 43.h5 Kg5 44.Ra2 Kh5 45.Kc3 dc4 46.Kc4 Rg5 47.d5 b5 (47...Kg6 48.Ra4 b5 49.Kb5 Rd5 50.Ka6=) 48.Kc5 Kg6 (48...b4 49.Ra4 b3 50.Rb4=) 49.Kc6 Kf7? (49...Rg1 50.d6 Kf7 51.Rf2 Ke6 52.Re2 Kf7 53.d7 Rc1 54.Kb5=) 50.Re2?? (50.Rf2 Ke8 51.d6+-) 50...b4 (50...a3 51.Kb5 Rd5 52.Kb4=) 51.d6 (51.Rf2 Ke8=) 51...Rg3 52.Re7 Kf6 53.Re4 Rc3 54.Kb5 Rd3 ½–½. Gajda,Rostislav – Bambusek,Vladislav (1660), Valasska Bystrice Open, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.d4 Nc6 6.d5 Ne5 7.Qd4 Qc7 8.f4 Ng6 9.e5 (9.Qc3 Qb8=) 9...d6 (9...Qc2 10.Na3 Qc7 11.Nb5+-) 10.Nf3 a6 (10...de5 11.fe5 Qc2 12.Bb5 Bd7 13.Bd7 Kd7 14.e6 Ke8 15.0-0 fe6 16.de6+=) 11.Bb5= Bd7 12.Bd7 Qd7 13.Ng5 (13.ed6 ed6 (worse 13...Qd6 14.f5+-) 14.0-0 Be7=+) 13...Qf5 (better 13...Qg4!? 14.e6 fe6 (14...Qg2?? 15.Qa4 b5 16.Qb5 ab5 17.Ra8) 15.Qa4 b5 16.Qb5 ab5 17.Ra8 Kd7 18.Ne6 Qe6 19.de6 Ke6+-) 14.Nf7= Qf7?? (better 14...Qc2 15.Na3 Qg2=) 15.e6+- Qf6 (15...Nf6 16.Qa4 Kd8 17.Qa5 Kc8 18.ef7 Kd7+-) 16.Qa4 b5 17.Qb5!! (17.Qb5 ab5 18.Ra8) 1–0. Barahona Torrijos,A (1865) – Moreno Sanchez,G (1620), 21st Torneo San Viator, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.d4 Nc6 6.d5 Ne5 7.Qd4 d6 8.f4 Nd7 9.Ra7 Ra7 10.Qa7 Qc7 11.Qa4 Ngf6 12.Be3 g6 13.Ne2 Bg7 14.Nec3 0-0 15.Nb5 Nc5 16.Qb4 Na6 17.Qd2 Ne4=+ 18.Nc7 Nd2 19.Ba6 Nb1 20.Bd3 Bd7 21.Nb5 Nc3 22.Nc3 Bc3 23.Kf2 b5 24.Kf3 Ra8 25.Rb1 b4 26.g4 Ra2 27.h3 Bc8 28.f5 Bb7 29.Be4 Ra3 30.Kf2 Ra5 31.Rd1 e6! 32.fe6 fe6 33.Bb6 Ra2 34.Ke3 ed5 35.Bd3 Ra3 36.Rb1 Ra1 37.Ra1 Ba1 38.Bc7 Be5 39.Ba5 Bc3 40.Bc7 Kf7 41.Bd6 Ke6 42.Bf8 Kf6 43.Kf4 Be5 44.Kf3=+ d4 45.Kf2 Kg5 46.Be7= Bf6 47.h4!+/- Kh4 48.Bf6 Kg4 49.Bd4 Bd5 50.Be2 Kf4 51.Bd1 h5 52.Bc5 h4 53.Bb4 g5 54.Be7 1–0. Klings,P (2150) – Schmidlechner,A (2195), 27th Liechtenstein Open, Triesen LIE, 2009.

5.d4 Nc6 6.Nf3 d6 7.Bb5 Bd7+= 8.0-0 g6 9.c3 (9.d5 Bg7 10.Ra3 Ne5 11.Bd7 Qd7 (worse 11...Kd7 12.Ne5 Be5 13.Be3+-) 12.Ne5 Be5=) 9...Bg7 10.Nbd2 (10.Qb3 Nf6=+) 10...Nh6 (10...Nf6!?=+) 11.h3 0-0 12.Re1 Qc8 (12...Qc7 13.Bd3=) 13.Qb3 (13.Bd3 b6=) 13...Nd8 (13...Qc7 14.Nc4=) 14.Bf1 Be6 (14...Qc7 15.g4 Kh8 16.g5=) 15.Qa3 (15.d5!? Qc3 16.Qc3 Bc3 17.Ra3+-) 15...f6+= 16.Bb2 Nhf7 17.d5 Bd7 18.Nc4 Qc7 19.Qa5 Qa5 20.Ra5 Rb8?? (better 20...b5 21.Nb6 Nb7 22.Nd7 Na5 23.Nf8 Kf8 24.Bb5 Rb8=) 21.Ra7+- Ne5 22.Nfe5 de5? (better 22...fe5 23.Nb6 Be8+-) 23.Nb6 Be8 24.Ba3 Rf7 25.Bc4 Bf8 (25...f5 26.Bc5 Bf8 27.Rea1+-) 26.Bb4 Rg7 (26...f5 27.ef5 Rf6 28.d6 Kg7+-) 27.Rea1 e6 (27...Nf7 28.d6! e6 29.d7+-) 28.Ra8 Ra8 29.Ra8 (29.Na8?! Bb4 30.cb4 ed5 31.ed5 Kf8+=) 29...Bb4 30.cb4 ed5 31.Bd5 (better 31.ed5!? Rc7 32.Rd8 Kf7+-) 31...Kf8 32.Rd8 Rc7 33.Rc8 (better 33.Rb8 Ke7 34.Bb7 Rc1 35.Kh2 f5+-) 33...Re7 (33...Rc8 34.Nc8 b5 35.Na7+-) 34.Rb8 (34.Bc4!? g5+-) 34...Rc7 (34...Kg7 35.Bb7 Bb5 36.Nd5+-) 35.Rb7 (35.Bc4 Rc6 36.Rb7 Rd6+-) 35...Rc1 (35...Rb7 36.Bb7 Bb5 37.Bd5+-) 36.Kh2 Rb1 (36...h5 37.Nd7 Bd7 38.Rd7+-) 37.Nc4 Ba4 (37...Ra1 38.b5 Bb5 39.Rf7 Ke8 40.Nd6 Kd8 41.Nb5+-) 38.Nd6 Bb3 (38...Be8 39.Rb8 f5 40.Re8 Kg7 41.ef5 Rb4 42.g4 g5 43.Re7 Kh8 44.f6 h6 45.Nf7 Kg8 46.Ng5 Kf8 47.Nh7) 39.Bb3 Rb3 40.b5 1–0. Bilek,Roman (1880) – Plasek,Zdenek (2065), Open Letni Praha – B, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.d4 e5 6.c3 Nc6 7.d5 Na5 8.Nf3 b6 (8...Bd6!?=) 9.Ne5+= Qe7 10.f4 f6?? (better is 10...Nf6 11.Nd2 Qd8+=) 11.Ba3+- d6 12.Bb5 Kd8 13.Bd6! (13.Bd6 Qd6 14.Nf7 Kc7 15.Nd6 (15.Nh8?! Qf4 16.Qc2 Bc5+/-) 15...Bd6 16.Qf3+-) 1–0. Raudenbush,William J – Wijnand,Peter, corr, 1978. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

5.d4 e5 6.c3 Nc6 7.d5 Nb8 8.d6 (8.Nf3 Nf6 9.Ne5 d6 10.Bb5 Nbd7+=) 8...Qb6 (better is 8...Nf6!? 9.Ra4 Qb6=) 9.Na3+/- Qd6 (9...Bd6?? 10.Nc4 Qc6 11.Nd6 Ke7 12.Nf3+-) 10.Qd6 Bd6 11.Nb5 Ke7 12.Nd6 (worse is 12.Ra7 Ra7 13.Na7 Nf6-/+; worse is 12.Na7 Na6 13.Nb5 Nf6+=) 12...Kd6 13.Ba3 Kc7 (13...Ke6!? 14.0-0-0 Nf6 15.Bc4 d5+/-) 14.Bf8+/- h5 15.Bg7 Rh7 16.Be5 d6 17.Bf4 Nc6 18.Bc4 (18.Nf3 Nf6 19.Nd4 Nd4 20.cd4 Ne4 21.Rc1 Kd8 22.f3+-) 18...Nf6 19.f3 (19.Bd3 Rg7 20.Nf3 a5=) 19...Be6 20.Be6 fe6 21.h4 (21.Ne2 Rg7=) 21...Rf7 (21...a5 22.Ne2+=) 22.Nh3= Re8 (22...a5 23.Kd2=) 23.Be3 Kb8 24.Nf4 (24.Ng5 Rg7=) 24...d5 25.e5 Nd7 26.Nd3 (26.Nh5 Nde5 27.Nf4 Nc4=) 26...b6 27.Ke2 Kb7 28.Bd4 Rg8 29.Rag1 Rfg7 30.g4 hg4 31.fg4 Rg4 32.Rg4 Rg4 33.h5 Nf8 34.Rf1 Nd7 35.Rf7 Kc7 (better is 35...Kc8!?=) 36.h6+/- Rh4 37.h7 Nd8 38.Rg7 Kc8 (38...Kc6 39.Nb4 Kc7 40.Bf2+/-) 39.Nf4!+- Nf8 (39...Rf4 40.h8Q Combination) 40.Rg8 (40.Ra7?! Rh7 41.Ra8 Kc7 42.Bb6 Kb6 43.Rd8 Nd7=) 40...Rh7 (40...Nh7?? 41.Ne6 Kd7 42.Nd8 (42.Rd8?! Ke6 43.Ra8 Ng5=) 42...Rh2 43.Kf3 Rh3 44.Kf4+-) 41.Rf8 Kd7 42.Nd3 (42.Rf6 Rg7+-) 42...Nc6 43.Nb4 (43.Rf6 Rh2 44.Ke1 Ra2+-) 43...Ne7 (43...Rh2 44.Kf3 Nd8 45.Rg8+/-) 44.Rb8 (44.Rb8 Kc7 45.Ra8+/-) 1–0. Mustafin,Andrey (1915) – Nizamov,Bulat (2090), Batumi GEO, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.d4 Nf6 6.c3 Nc6 7.e5 Nd5 8.Bc4 e6 9.Nf3 Be7 10.0-0 d6 11.Bd5 ed5 12.Na3 Bg4 13.ed6 Qd6 14.Nb5 Qb8 15.h3 Bh5 16.Re1 0-0 17.g4 Bg6 18.Re7? (better 18.Ne5!? Ne5 19.Re5-/+) 18...Ne7-+ 19.Ne5 Qc8 (19...Rd8 20.Bf4 Qc8 21.Qb3-+) 20.Qb3 (20.Ba3 Qd8 21.Qb3-+) 20...a6 21.Nd6 Qc7 22.Ba3 b5 23.Bc5 (23.f4 Rfd8 24.f5 Rd6 25.Bd6 Qd6 26.Qb5 A) 26...ab5?? 27.Ra8 Nc8 28.Rc8 Qf8 29.Rf8 Kf8 30.fg6 (30.Ng6?! hg6 31.fg6 fg6+-) 30...hg6 31.Nc6+-; B) 26...Bf5 27.gf5 Qh6-+ (27...ab5 28.Ra8 Nc8 29.Rc8 Qf8 30.Rf8 Kf8 31.Nc6+-; 27...Nf5?! 28.Qb7 Rf8 29.Qa6-/+)) 23...Rfd8 24.Qa3 Nc6?? (24...f6 25.Ng6 Ng6 26.Nb5-+) 25.f4? (better 25.Nb5 ab5 26.Qa8 Ra8 27.Ra8 Nb8 28.Nd7=+) 25...f6-+ 26.Nf3?! (26.Ng6 hg6 27.Re1 Na5-+) 26...Bd3 (26...b4 27.cb4 Rd6 28.f5-+) 27.Re1 Rd7 (27...Na5!? 28.Nd2-+) 28.Re3 (28.Qa6 Rad8 (28...Ra6?? 29.Re8; 28...Rd6?? 29.Qa8 Rd8 30.Re8 Kf7 31.Rd8 Nd8 32.Qd5 Ne6 33.f5 Qg3 34.Kh1 Qh3 35.Nh2 Be4 36.Qe4 Nc5 37.Qd5 Kf8 38.Qc5 Kf7 39.d5+-) 29.Nb5 Qf4-+) 28...Bc4 (28...Bg6!? 29.Nh4-+) 29.Qa6 Rad8 (29...Ra6?? 30.Re8; 29...Rd6? 30.Qa8 Rd8 31.Re8 Kf7 32.Rf8 Ke6 33.f5 Kd7 34.Rf7 Ke8 35.Rc7 Ra8 36.Rc6+-) 30.Qa3? (better 30.Ne8 Qf4 31.Kf2-+) 30...Rd6 31.Bd6 Qd6 (31...Rd6 32.Qa8 Rd8 33.Re8 Kf7 34.Rd8 Nd8 35.Nd2-+) 32.Qc1 (32.Qd6 Rd6 33.h4 Kf7-+) 32...Kf7 (32...Rf8 33.Re1-+) 33.Qe1 (33.Nh4 Qc7-+) 33...Rd7 (33...Qf4 34.Nd2-+) 34.Kg2 (34.Qf2 Kf8 35.f5 Ra7-+) 34...Re7 (34...Qf4!? 35.Qd2 Qh6 36.Kg3-+) 35.f5 Re3 36.Qe3 Qe7 (36...b4 37.cb4 Nb4 38.Ne1-+) 37.Qf4 (37.Qe7 Ke7 38.Kf2 b4 39.cb4 Nb4-+) 37...Be2 38.Nd2 Bd3 (better 38...b4 39.cb4 Nb4 40.Kg1-+) 39.g5 (39.Qf3 Be4 40.Ne4 Qe4 41.Kf2 Qf3 42.Kf3-+) 39...fg5 40.Qf3 Be4 41.Ne4 Qe4 (worse 41...de4 42.Qe2-+) 0–1. Winter,Kevin (1825) – Volkers,Annemarie (2015), 5th Terre Degli Elimi Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.d4 Nf6 6.e5 Nfd5 7.c3 Nc6 8.f4 e6 9.Nf3 d6 10.c4 Nc7 11.d5 ed5 12.cd5 Ne7 13.Nc3 Ng6 14.Qa4 Bd7 15.Qe4 de5 16.fe5 Bc5 17.h4 0-0 (17...a5 18.h5 Bb4 19.Bd2=) 18.h5= Ne7 (better is 18...Ne5!? 19.Ne5 Re8+=) 19.d6 Nf5 (19...Bc6 20.dc7 Qc7 21.Qf4+/-) 20.dc7 Qc7 21.Bd3 Bd4 (better is 21...Rfd8+-) 22.Nd5 Bc3 (22...Qc5 23.Nd4 Qd4 24.Qd4 Nd4 25.Ne7 Kh8 26.h6+-) 23.Bd2 (better is 23.Kf2 Qd8 24.Nc3 Qb6 25.Ke1+-) 23...Bd2 24.Nd2 Qd8 25.Ne3 (better is 25.g4 Be6 26.Ne7 (26.gf5 Bd5 27.Qg4 Bh1+/-) 26...Qe7 27.gf5+-) 25...g6 26.Qf4 (26.Nf5 Bf5 27.Qb7 Bd3-/+ (27...Qd3?! 28.Qf3-+)) 26...Ne3 27.Qe3 Re8 28.hg6 (28.Ra7?! Ra7 29.Qa7 Re5 30.Kf2 Bc8+=) 28...fg6 29.Nf3 Qc7 30.Kf2 (30.Ra7 Ra7 31.Qa7 Qc1 32.Kf2 Qh1 33.Bc4 Kf8 34.Qc5 Re7+/-) 30...Bg4 31.Rac1 Qe7 32.Bc4 Kh8 33.e6! Kg8 34.Qe5 Rf8 35.Bd3+- Rf6? 36.Rc7 Qd8 37.Rhh7 Qd3 38.Rcg7 (38.Rcg7 Kf8 39.Qf6 Ke8 40.Qe7) 1–0. Chernyshov,K (2510) – Blecha,Mir (2220), Pardubice CZE, Czech Open Rapid, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4)

5.d4 Nf6 6.e5 Nfd5 7.c4 Nb6 8.Qb3 a5 9.Nf3 e6 (9...d5!? 10.c5 Nc4=) 10.Nc3+= Be7 11.Be2 0-0 12.0-0 Qc7 (12...f6 13.Rd1=) 13.Nb5 (13.Bd2 f6+=) 13...Qc6= 14.Be3 d6? (better 14...a4 15.Qc3 Na6=) 15.ed6+/- Bd6 (15...Bd8 16.Ne5 Qe8 17.Bd2+/-) 16.c5+- (16.Nd6?! Qd6 17.Bd2 Qc7+/-) 16...Be7 17.Ne5 Qe4 (17...Qd5 18.Qc3 Qd8 19.cb6+-) 18.cb6 Nd5 (18...Qc2 19.Qc4 Bd8 20.Nc7 Bc7 21.bc7+-) 19.Bd3 Qh4 20.Nc7 a4 (20...Nc7 21.bc7 Bd6 22.Rfc1+-) 21.Qb5 (better 21.Ra4 Ra4 22.Qa4+-) 21...Ne3 (21...Nc7 22.bc7 Bd6+-) 22.fe3 Rb8 23.Rf7! Rf7 24.Nf7 Kf7 (24...Bf8 25.Rf1 g6+-) 25.Rf1 Kg8 (25...Qf2 26.Rf2 Kg8 27.Qe8 Bf8 28.Rf8) 26.Qe8 Bf8 27.Rf8 (27.Qf8?!=) 1-0. marekt – pipesharp, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4)

5.d4 Nf6 6.e5 Nfd5 7.c4 Nc7 8.Nf3 e6 9.Nc3 d6 10.Qa4+= Nc6 11.d5 ed5 12.cd5 Nd5 13.Nd5 Bd7? 14.Bg5+- Ne7? 15.Bb5 Qc8 16.Bd7 Qd7 17.Nc7 Kd8 18.Na8 Qa4 19.Ra4 h6 20.Be7 Be7 21.Ra7 d5 22.Rb7 Bc5 23.Rb8 Kd7 24.Rh8 Ke6 25.Nc7 Kf5 26.Nd5 Ba3 27.Ke2 Bb2 28.Rd1 Ke6 29.Ne3 Ba3 30.Re8 (30.Re8 Be7 31.Rd6) 1–0. pierred (2755) – ditto (2035), net–chess.com, 2010.

5.Nf3 Qc7 6.c3 Nc6 7.Ba3 Nf6-/+ 8.Bd3 g6 9.0-0 Bg7 10.Bc2 0-0 11.d4 Re8 12.Nbd2 d5 13.e5 Nh5 14.Re1 e6 15.Nf1 a5 16.Ne3 b5= 17.g4 Nf4-/+ 18.h4 Bb7 19.Rb1 b4 20.cb4 ab4 21.Bb4 Ra2 22.Bb3? Nh3-+ 23.Kg2 Rf2?? 24.Kh3+= Nb4 25.Re2?? Rf3-+ 26.Kg2 Rf4 27.Ba4 Rc8 28.Rb4-/+ Be5! 29.Rb7?? Qb7-+ 30.de5 d4 31.Kh2 de3 32.Re3 Rf2 (32...Rf2 33.Kg1 Qg2) 0–1. alaamattar (2160) – rogeliovargas (2180), net–chess.com, 2010.

5.Nf3 d5 6.ed5 Nf6 7.d4 Qd5=+ 8.Be2 e6 9.0-0 Be7 10.c4 Qd8 11.Nc3 0-0 12.Bf4 Bd7 13.Re1 a6 14.Ne5 b5 15.Bf3 Rc8 16.c5 Be8 17.Ne2 Nfd5 18.Bd2 Bf6 19.Ng4 Bg5 20.Bd5 ½–½. Dressel,Robert (2335) – Gall,Cordula (2250), RSS4D adv–6 remoteschach.de, 2006.

5.Nf3 e6 6.Bb5 Nc6 7.0-0 Nf6 8.d3 d5 9.ed5 Nd5 10.c4 Nc7 11.Bc6 bc6 12.Qa4 Bd7 (12...Qd3?? 13.Rd1 Qd1 14.Qd1+-) 13.Nc3 Be7 14.Qa5 0-0 15.Ba3 Ba3 16.Ra3 f6 17.d4 Re8 18.Ne4 Bc8 19.Rfa1 a6 20.Qc5 Bd7 21.Rb3 Rb8 22.Qa3 Rb3 23.Qb3 Qb8 24.Qc2 e5 25.de5 fe5 26.Neg5 g6 27.Qc3 Exerts pressure on the isolated pawn 27...Ne6? (better is 27...Qd8!? 28.Ne5 Qf6=) 28.Ne4+/- (28.Ne5 Nd4 29.Qd4 Qe5 30.Qe5 Re5+/-) 28...Nf4 (28...Rf8!?+/-) 29.Qd2+- Bf5 30.Nf6 Kg7 31.Ne8 Qe8 32.Ra6 Qe6?? (32...Qb8+-) 33.Ra7 Kh6 34.Qd8 (34.Qd8 Qd7 35.Rd7 Bd7 36.Qf8 Kh5 37.Qf6+-) 1–0. Afromeev,Vladimir (2405) – Mitrofanov,Alexander (2290), Tula Efremenkov Memorial, 2000. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

5.Nf3 e6 6.Nc3 Nf6 7.Bc4 Qb6 8.0-0 Bc5 9.d4= Be7 10.Bg5 Nc6 11.d5 Nd8 12.de6 Ne6 13.e5 Ng8 14.Be7 Ne7 15.Qd2 Nf5 16.Nd5 Qc5+= 17.Bb3 0-0 18.Ng5 Ng5= 19.Qg5 Nd4 20.Nf6+= Kh8 21.Nh5 Nb3?? 22.Qg7# 1–0. rogeliovargas (2180) – ditto (2035), net–chess.com, 2010.

5.Nf3 e6 6.Nc3 g6 7.Ba3 Nc6 8.Bb5 Bg7 9.Rb1 Nge7 10.0-0 0-0 11.Re1 Re8 12.d4 Qa5 13.Bb2 a6 14.Bd3 Qc7 15.e5 d6 16.Bc1? de5-+ 17.de5 Ne5 18.Ne4 Nd3 19.Qd3 Rd8 20.Qe3 Nf5 21.Qa3 Bd7 22.Nc5?? Bc6 23.Bg5 Rd5 24.Rb7?? Bb7-+ 25.Qb4 Rc5 26.Rc1 Bf3 27.gf3 Rc2 28.Rc2 Qc2 29.Qb7 Qd1 30.Kg2 Qd5 31.Qb6 a5 32.Bc1 a4 33.Ba3 Nh4 34.Kg3 Qf3 35.Kh4 Bf6# 0–1. ditto (2035) – alaamattar (2160), net–chess.com, 2010.

5.Nf3 e6 6.d4 d5 7.Ne5 Nf6 (7...de4 8.Bb5 Ke7 9.c3 Nd3 10.Nd3 ed3 11.Ba3 Kf6 12.Qf3 Kg6 13.Qg3 Kh6 14.Bc1 d2 15.Bd2 g5 16.h4+-) 8.Bg5 Qb6 9.Nc3 (9.ed5 Qd4 10.Bb5 Nd7 11.Nd7 Bd7 12.Bd7 (12.Qd4? Nc2 13.Kd2 Nd4 14.Bd7 Kd7-+) 12...Kd7 13.de6 (13.Qd4? Nc2 14.Kd2 Nd4-+) 13...Ke6 14.Qe2 (14.Qd4? Nc2 15.Kd1 Nd4-+) 14...Qe5 15.Qe5 Ke5 16.Ra5 Kd6 17.Kd2-/+) 9...Ne4 (better is 9...Qd4! 10.Bb5 Ke7 11.Qd4 Nc2 12.Kd1 Nd4-+) 10.Bb5+= Nc6 11.Ra6 Bb4 12.0-0 Qa6 (12...Ng5? 13.Rb6 ab6 14.Nd5 ed5 15.Nc6+-; 12...Nc3?! 13.Qf3 Qc7 14.Rc6 bc6 15.Bc6 Kf8 16.Ba8=) 13.Ba6 Nc3 (13...Ng5?! 14.Na2 Be7 15.Bb5=; 13...ba6?? A) 14.Nc6 Bc3 (worse is 14...Nc3 15.Qg4 Bf8 16.Ne5+=) 15.Be3 Bd7+=; B) 14.Ne4 Ne5 15.de5+-; 13...Bc3?! 14.Bb5-/+) 14.Qg4 h5 (worse is 14...ba6 15.Nc6 h5 16.Qf3+=) 15.Qh4 Ne5 16.de5 Ne4 (16...ba6?? 17.Qb4 Ne2 18.Kh1+-) 17.Bd3 Ng5 18.Qb4 a6 19.Ra1 f6 20.Bg6 Nf7 21.ef6 gf6 22.f4 Rh6? (better is 22...Rg8 23.Bh5 Rh8+/-) 23.f5!+- e5? (23...ef5 24.Re1) 24.Qd2 Rh8 (24...Rg6 25.fg6 Nd8 26.Qd5 Be6+-) 25.Qd5 Rf8 (25...Rh7 26.Bh7 Kf8 27.Bg6+-) 26.Rd1 (26.Rd1 Bf5 27.Qb7 Rc8 28.Bf5 Rc7 29.Qb8 Nd8 30.Qc7 Ne6 31.Qd7) 1–0. Rothuis,Vincent (2320) – Schipper,Rijk (2140), Groningen Compact op–A, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

5.Ba3 Nc6

6.Nc3 Nf6 7.d4 d6 8.Nf3 Bg4 9.Be2 g6 10.e5 de5-/+ 11.d5 Bf3 12.Bf3 Nd4 13.0-0 Bg7 14.Re1 Nf3 15.Qf3-/+ Nd7 16.Rab1 b6-/+ 17.d6 ed6 18.Bd6+= Rc8 19.Rbd1 Qf6 20.Qg3 Qf5 21.f4 f6 22.Nb5= Kd8?? 23.Na7?? Rc4 24.Qf3 e4 25.Qb3 Qe6 ½–½. Martinec,K (1970) – Vrecion,Jiri (1770), Ricany Open A, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

6.Nc3 Nf6 7.d4 d6 8.Nf3 Bg4 9.Be2 g6 10.e5 de5-/+ 11.d5 Bf3 12.Bf3 Nd4 13.0-0 Bg7 14.Re1 Nf3 15.Qf3-/+ Nd7 16.Rab1 b6 17.d6 ed6 18.Bd6+= Rc8 19.Rbd1 Qf6 20.Qg3 Qf5 21.f4 f6 22.Nb5= Kd8?? 23.Na7?? Rc4 24.Qf3 e4 25.Qb3 Qe6 26.Rd4!! f5 27.Qc4 (27.Qc4 Qc4 28.Rc4+-; 27.Rc4 Qd6 28.Rc8 Ke7 29.Nc6 Kf6 30.Rh8 Bh8 31.Qb2 Kf7 32.Nd8 Ke7 33.Qh8 Qc5 34.Kh1 Qc8+-) 1–0. Forman,M2 (1910) – Hampel,R (1835), Ricany Open A, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

6.d4 d5 7.e5 Bf5 8.Nf3 g6 9.Nh4 (9.c4!?+=) 9...Qa5-/+ 10.Nd2 Bh6 (better is 10...Qc3!? 11.Nf5 gf5-/+) 11.Nf5+= gf5 12.Bb2 Qd2 13.Qd2 Bd2 14.Kd2 f6 (14...e6 15.c4+=) 15.e6= Nh6 16.c4 dc4 17.Bc4 0-0 18.Rhd1 Rfd8 19.Ke2 Kg7 20.Ra3 Rac8 21.Rg3 Kh8 22.f4 Nb4 23.Bb3 Nd5 24.Bd5 Rd5 25.Rc3 Rdd8 (25...Rc3 26.Bc3 b6 27.Ra1=) 26.Rdc1 Rc3 27.Rc3 Rd6 28.d5 Rd5 29.Rc7 Ng8 30.Rb7 Ra5 31.Bd4 a6 32.h3 Kg7 33.Rc7 Ra2 34.Kf3 a5 35.Bc5 Rc2 36.Bd6 Rc7 37.Bc7 a4 38.Ba5 a3 39.Bc3 (39.Ke3!?+=) 39...Kf8+= 40.Ke3 Ke8 41.Kd4 Kd8 42.Kc5 h5 43.Kb4 a2 44.Kb3 Kc7 45.Ka2 Kd6 46.Kb3 Ke6 47.Kc4 Nh6 48.Kd4 Kf7 49.Kd5 Ng8 50.Kd4 e6 51.Bb4 Ne7 52.Be7 (better is 52.Bd2!?-/+) 52...Ke7-+ 53.Ke3 Kd6 54.g3 (54.Kd2 Kd5 55.Kd3 h4-+) 54...Kd5 55.Kd3 e5 56.h4 Kc5 (56...Kc5 57.Ke2 Kd4 58.fe5 fe5-+) 0–1. Sanchez Martin,Marc – Marsal,Valles Marc (2085), Sant Boi op, 1997. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

6.d4 d6 7.d5 Ne5 8.f4 Nd7 9.Nf3 Ngf6 10.Nc3 a6 11.e5 de5 12.fe5 Ng4 13.Qd4 Nh6? (better is 13...Qc7 14.Bb2 h5= (14...Nge5? 15.Ne5 Qe5 16.Qe5 Ne5 17.Nb5+-)) 14.e6+- fe6 15.de6 Nb6 16.Bc5 Nf5?? (better is 16...Be6 17.Bb6 Qd4 18.Nd4 Bg4+-) 17.Qd8 Kd8 18.Bb6 Ke8 19.Bb5! ab5 20.Ra8 Nd6 21.0-0 g6 (21...Rg8 22.Rd1 b4 23.Rc8 Nc8 24.Rd8) 22.Rd1 Bg7 23.Rc8! Nc8 (23...Nc8 24.Rd8# Mate attack) 24.Rd8# 1–0. Tsydypov,Zhamsaran (2325) – Zhuk,Valeriy (1890), Ulan–Ude RUS, Open, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

6.Nf3 d6 7.Nc3 g6 =.

6.Nf3 d6 7.Bc4 Nf6= 8.Nc3 e6 (8...g6 9.Ng5 Ne5 10.Bb5 Nc6 11.Bc4=) 9.0-0+= Be7 10.d4 d5 11.Be7 Ne7 12.Bb5 (12.e5 dc4 13.ef6 gf6 14.Qe2=) 12...Nd7 (better is 12...Bd7!? 13.Bd7 Qd7=) 13.ed5+/- ed5 14.Re1 0-0 15.Qe2 Nc6 (15...Ng6 16.Nd5 Nb6 17.Nb6 Qb6 18.h3+/-) 16.Nd5 Nf6 17.Bc6 bc6? (better is 17...Nd5 18.Bd5 Qd5+/-) 18.Ne7 Kh8 19.Nc6 Qc7 20.Qe7 Qe7 21.Re7 Nd5 (21...a5 22.Nfe5+-) 22.Rea7 Ra7 23.Ra7 Bf5 (23...Nc3 24.Ng5 Be6 25.f3+-) 24.c4 Nf4 25.h3 (25.Nfe5!? Be4 26.f3 Bc6 27.Nc6 Rc8+-) 25...Be4 26.Nce5 (26.d5!? Bf3 27.gf3 Nh3 28.Kh2 Nf4+-) 26...f6 27.Nd7 Rf7 28.Rc7?? (better is 28.d5 g6 29.Nd4+-) 28...h6?? (better is 28...g5 29.Rc8 Kg7+/-) 29.Rc8+- Kh7 30.Nf8 Kh8 31.Ng6 (31.Ng6 Kh7 32.Nf4+-) 1–0. Szurkos,Andras (1785) – Onur,Semih, First Saturday FM–B July, 2014. (=1.e4 c5 2.b4 cb4-/+ 3.a3 Nc6 4.ab4+= Nb4 5.Ba3 Nc6)

6.Nf3 d6 7.Bc4 Nf6 8.Qe2 Bg4 9.c3 g6 10.h3 Bf3 11.Qf3 Bg7 12.0-0 0-0 13.d4 Rc8 14.Qe2 Na5 15.Bd3 Nh5 16.Bc1 Nb3 17.Ra4 Nc1 18.Rc1 Nf4 19.Qf3 Nd3 20.Qd3 a6 21.Nd2 Qd7 22.Rb4 Bh6 23.Rcb1 b5 24.Nf3 Qc6 25.Ra1 Qc3 26.Qc3 Rc3 27.Ra6 Bf4 28.Ra1 Rfc8 29.g3? (29.Kf1 Rb8 30.Ra5 e6=) 29...Bg3 (better is 29...Rf3!? 30.gf4 Rf4-+) 30.Kg2-/+ Bf4 31.Rb5 ½–½. Arnetta,Maria Teresa (2010) – Chiarion,Elisa (1895), ITA–ch (Women), 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ba3 Nc6)

6.Nf3 d6 7.d4 Bg4 8.d5 Bf3 9.Qf3 Qa5 10.Nd2 Ne5 11.Qb3 Qc7 12.Rb1 Rb8 13.Qa4 Nd7 14.Qa7 Ngf6 15.Ba6 Ne4 (15...ba6 16.Qc7) 16.Rb7 Rb7 17.Bb7 Nd2 18.Kd2 g6 19.Qa8 Qb8 20.Qb8 Nb8 21.c4 Bh6 22.Kd3 0-0 23.Re1 Bg5 24.f4 Bf4 25.Re7 Bh2 26.c5 dc5 27.Bc5 Rd8 28.Bb6 Rf8 29.Bc6 Bd6 30.Ra7 h5 31.Kc4 g5 32.Bc5 Bc5 33.Kc5 h4 34.Kb6 g4 35.Kc7 f5 36.Ra8 (36.Bb7 f4 37.d6+/-) 36...Nc6= 37.Rf8 Kf8 38.dc6 h3 39.gh3 gh3 40.Kd6 h2 41.c7 ½–½. Ambrus,Endre (2260) – Partac,Elena (2080), Deva tt, 1998. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.Ba3 Nc6)

6.Nf3 Nf6 7.e5 Nd5 8.Bc4 Qa5 (8...Nb6 9.Bd3=) 9.0-0+= e6 10.Bf8 (10.Qe2!? a6 11.Bd5 ed5 12.Qe3+-) 10...Qa1=+ 11.Ba3 (11.Bd6 b6 12.Bd5 ed5=+) 11...Nd4 (11...b6!?-/+) 12.Ng5 (12.c3 Nf3 13.Qf3 Ne7+=) 12...h6 (12...b5!? 13.Bd5 ed5=) 13.Ne4+= Nf5 14.c3 b5 15.g4 (15.Bb5 Nc7 Decoy) 15...b4 16.gf5 (16.Bb4 Nb4 Combination; 16.cb4 Qe5 Pinning (16...Qe5 Deflection)) 16...ba3= 17.Qb3? (17.Nd6 Ke7 18.Qa4+=) 17...Qb2?? (better 17...a2 18.Nd6 Ke7 19.fe6 fe6 (19...ab1R?? 20.Rb1 Qb1 21.Qb1 de6 22.Bd5 ed5 23.Qb5+-; worse 19...de6 20.Nc8 Kf8 21.Nd6+-) 20.Nf5 Kf8 21.Bd5 ed5 22.Qb4 d6 23.Qd6 Kg8 24.Ne7 Kf7 25.Qg6 Ke7 26.Qg7 Ke6 27.Qg6 Kd7 28.Qd6 Ke8 29.Qg6 Kd8 30.Qf6 Kc7 31.Qd6 Kb7 32.Qb4 Kc6 33.Qd6 Kb7 34.Qb4 Ka6 35.Qd6 Kb7=) 18.Bd5= ed5?? (18...Rb8 19.Nd6 Ke7+-) 19.Nd6+- (19.Qd5?? 0-0 20.Na3 Bb7 21.Qd7 Be4-+) 19...Ke7 20.Qd5 a2 21.f6! (21.Qf7 Kd8 22.Na3 A) 22...Qa3 23.f6 Ba6 A1) 24.fg7?? Kc7 25.gh8Q a1Q (25...Rh8?! 26.Ra1 Qb2 27.Ra2 Qb1 28.Kg2 Qf1 29.Kg3 Rg8 30.Kh4=) 26.Qd7 Kd7 27.Qg7 Ke6 28.Qg6 Ke5 29.d4 Kd5 30.c4 Bc4 31.Nc4 Kc4 32.Qf7 Kd3-+; A2) 24.Qe7 Kc7 25.Nb5 Bb5 26.Qa3 Bf1 27.fg7+- (27.Kf1?! gf6 28.Qd6 Kc8 29.Qa6 Kc7+-); B) 22...a1Q 23.Ra1 Qa1 24.Kg2 Qa3-+) 21...gf6 22.ef6 (22.Qf7 Kd8 23.Na3 A) 23...Qa3?? 24.Qf6 Kc7 25.Nb5 Kb7 26.Na3 (26.Qh8 Qa6 27.Nd6 Kc7 28.Ne8 Kb8-+) 26...Rg8 27.Kh1+-; B) 23...fe5 24.Nab5 Qb5 25.Qf6 Kc7 26.Nb5 Kb7 27.Qh8+-; C) 23...Ba6-+) 22...Kd8 23.Nf7 (23.Qa8 Kc7 24.Na3 Rg8 25.Kh1 a6 26.Qa7 Bb7 27.Nb7 Qb7 28.Qb7 Kb7+-) 23...Kc7 24.Qe5 Kb6 25.Qd4 Ka6 26.Qc4 Kb6 27.Qd4 Ka6 28.Qa4 Kb6 29.Qd4 ½–½. Ganichev,Aleksei (1915) – Polischuk,Sergiy, Myrgorod Ukraine, Open, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.Ba3 Nc6)

6.Nf3 Nf6 7.e5 Ne4 +=.

6.f4 d6 7.Nf3 g6 8.Bb2 Nf6 9.e5 de5 10.fe5 Qb6 11.Bc3 (better is 11.Bc1!? Nd5 12.d4+=) 11...Ne4-+ 12.d4 Nc3 13.Nc3 Qb4 14.Qd2 (better is 14.Qd3 Bf5 15.Qc4-+) 14...Bg7?? (better is 14...Bh6! 15.Qd3 Bf5-+) 15.Rb1 Qa5 16.Rb5 Qa1 (16...Qd8 17.Bc4+=) 17.Nd1 0-0 18.Bc4 Rd8 19.c3 Qa4 20.Qe2 a6+= 21.Rb2 Qa5 22.0-0= b5 23.Ra2 Qb6 24.Bb5 Na5 25.Bd3 Nb3 26.Ne3 a5 27.Ng5 Rf8 28.Bc4 e6 29.Nf7! Rf7? 30.Rf7 Kf7 31.Qf3 Bf6 32.Qa8 Bb7 33.Qb8 Bg5 34.Rf2 Ke7 35.Qf8 Kd7 36.Rf7 Kc6 37.Qd6 1–0. Augstein,Joerg – Beisser,Jacob, Tierpark op 2nd, 1998. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6 4.ab4 Nb4)

5.Ba3 e6

6.g3 Nc6 7.Bf8 Kf8 8.f4 Nf6 9.d3 Qb6 10.Ne2? (better is 10.c3!?-/+) 10...Ng4-+ 11.d4 Qb2?? (better is 11...Ne3!? 12.Qd2 Qb2 13.Qe3 Qa1 14.Qa3 Qa3 15.Na3 Ke7-+) 12.Na3 (12.Ra3!?+=) 12...Ne3 13.Qc1 Qc1 14.Nc1 (14.Rc1 d5 15.e5 b6-/+) 14...Nf1 15.Rf1 b6 16.Nc4 Bb7 17.Nd6 Rb8 18.Nd3 Ke7 19.e5 Na5 20.Rf2 f6 21.g4 Ba8 22.Ke2 fe5 23.fe5 Rhf8 24.Raf1 Rf2 25.Rf2 Rf8 26.h4 Bd5 27.Nb4 Nc4 28.Nd5 ed5 29.Nf5 Kd8 30.Rf1 g6 31.Ng3 Rf1 32.Nf1 d6 33.ed6 Kd7 34.Kd3 Kd6 35.Nh2 a5 0–1. Montero,Walter (2060) – Alvarez Castillo,Hector (2245), Torre Blanca–ch, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.Ba3 e6)

6.c3 Nc6

7.Bf8 Kf8 8.d4 d5 9.e5 f6 10.f4 fe5 11.fe5 Qh4 12.Kd2? Nd4!-+ 13.cd4? Qd4 (13...Qd4 14.Bd3 Qa1 15.Qf3 Ke7-+) 0–1. chessleon (2005) – pcmvr (2840), net–chess.com, 2010.

7.Bf8 Kf8 8.d4 d5 9.e5 f6 10.ef6 gf6 11.Nf3 Nge7 12.Bd3 e5 0–1. chessleon (2005) – pierred (2755), net–chess.com, 2010.

7.Bf8 Kf8 8.Nf3 d5 9.Qc2 de4 10.Qe4 Nf6 11.Qa4 g6 12.Bb5 Bd7 13.0-0 Kg7 14.d4 a6 15.Be2 e5 16.Qc2 Re8 17.Na3 ed4 18.Nd4 Qc7 19.Bf3 Ne5 20.Rab1? Nf3-+ 21.gf3 Re5 22.Ne2? Bh3 23.Ng3 Qc6 24.Qd3 Rd8! (24...Rd8 25.Nc4 Rd3 26.Ne5 Qd5-+) 0–1. alaamattar (2160) – pierred (2755), net–chess.com, 2010.

7.Bf8 Kf8 8.Nf3 d5 9.e5 f6 10.d4 fe5 11.Ne5 Ne5 12.de5 Qg5 13.Qf3 Ke7 14.Qe3 Qe3-+ 15.fe3 Nh6 16.Nd2 Ng4 17.Nf3 Ne3 18.Nd4 Rf8 19.Nf3?? Nc2 20.Kd2 Na1 (20...Na1 21.Nd4 Rf2 22.Be2 Rg2-+) 0–1. alaamattar (2160) – pcmvr (2840), net–chess.com, 2010.

7.Bf8 Kf8 8.Nf3 d6 9.d4 Nf6 10.Nbd2 g6 11.Qa4 Kg7 12.Bb5 Bd7 13.Rb1 a6 14.Bd3 b5 15.Qa3 Qc7 16.0-0 Rhc8 17.Rfc1 d5 18.e5 Ng8 19.Nb3 f6 20.Re1 fe5 21.Ne5 Ne5 22.Re5 Qc3 23.Re3 Qc6 24.Nc5 Kh8 25.Rbe1 Re8 26.Qb2 Nh6 27.Qe2 Nf5 28.Rh3 e5 29.Nd7 Qd7 30.de5 Ne7 31.Qe3 Qe6 32.Qh6 Qg8 33.Ree3 Qg7 34.Qg5 Rac8 35.Ref3 Rc6 36.Rh6? Ng8-+ 37.Rh4 Re5 38.Rh7 Kh7 39.Rh3 Nh6 40.Rh6 Qh6 41.Qe5 Rc1 42.Bf1 Rd1 43.Qe7 Qg7 44.Qg5 Ra1 0–1. Stekkelpach,Peter (1775) – Sandor,Tamas (1980), Nyiregyhaza op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4)

5.Ra4 Nc6

6.Bb2 e6 7.Nf3 Nge7 8.Nc3 a6 9.e5 Ng6 10.Ne4 b5 11.Ra1 Bb7 12.Nd6 (12.Qe2 Nb4 13.d3 Qc7-/+) 12...Bd6 13.ed6 0-0 14.h4 f6 15.c4 (15.d4!?-/+) 15...bc4-+ 16.Bc4 Nce5 17.Be2 (17.Ne5 Ne5 18.Bf1 Qb6-+) 17...Nf4 (17...Bf3 18.gf3 Qb6 19.Be5 fe5 20.Bd3-+) 18.d4 (18.Be5 fe5 (18...Ne2?! 19.Qe2 Bf3 20.Qf3 fe5 21.Qe3-/+) 19.Rg1 e4-+ (19...Ne2?! 20.Qe2 Rf4 21.d3-+)) 18...Nf3 19.Bf3 Qb6 20.Ba3 Bf3 21.Qf3 Qa5 22.Kf1 Qb5 23.Kg1 Ne2 24.Kh2 Nd4 25.Qe4 Qe5 26.Qe5 fe5 27.Ra2 Nb5 28.Kg3 (28.Re1 Rf4 29.Kh3 Ra4-+ (29...Na3?! 30.Ra3 Rd4 31.Re5-+)) 28...Rac8 (better 28...Nc3!? 29.Rb2 Ne4 30.Kh2 Nf2 31.Rhb1-+) 29.Re1 Rc4 30.Re5 Ra4 (30...Na3?! 31.Ra3 Rc6 32.Rd3-/+) 31.Re3 Rc8 (31...Na3?! 32.Rea3 Ra3 33.Ra3=+) 32.Rd3 (32.f3 Nd6! (32...Na3?! 33.Raa3 Ra3 34.Ra3-/+; 32...Ra3?! 33.Raa3 Na3 34.Ra3-/+) 33.Rd3 Nc4-+) 32...Rc3 (32...Ra3?! 33.Rda3 Na3 34.Ra3-/+) 33.Rc3 Nc3 34.Ra1 Nb5 (34...Ne4!? 35.Kh2-+) 35.Bb2 Ra1 36.Ba1 Nd6 37.Kf4 Nb5 (37...Nc4 38.Ke4-+) 38.Ke4 Kf7 39.Kd3 d5 40.Kc2 (40.f4 a5-+) 40...Nd6 41.Kb3 0–1. Rubery,M (2250) – Cawdery,D (2255), Masters Challenge, Johannesburg RSA, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

6.Nc3 Qc7 A) 7.Bc4 Nf6 (7...e6 8.Nf3 a6 9.Bb3 Nf6 10.Qe2 Na5 11.e5 Nb3 12.cb3 b5 13.Rh4) 8.Nf3 (8.d3 a6 9.Nf3 Rb8 10.Nd5 Nd5 11.Bd5 b5 12.Ra1 e6 13.Bc6) 8...e6 9.Qe2 Be7 10.e5 Ng4 11.Be6 de6 12.Rg4 0-0 13.0-0; B) 7.Be2 B1) 7...e6 8.Nb5 (8.Nf3 Nf6 9.0-0 a6 10.d4 Bb4 11.Nb5 Qb8 12.e5 ab5 13.Ra8; 8.h3 Nf6 9.Nf3 a6 10.Ba3 Ba3 11.Ra3 0-0 12.0-0 Rb8 13.d4; 8.Nh3 Nf6 9.0-0 Be7 10.d4 0-0 11.e5 Ne8 12.Nf4 a6 13.Qd2) 8...Qb8 9.Nf3 Nf6 10.Bb2 a6 11.e5 Nd5 12.Nd6 Bd6 13.ed6; B2) 7...Nf6 8.Nf3 (8.Ba3 g6 9.Nd5 Nd5 10.ed5 b5 11.Bb5 Qe5 12.Qe2 Qa1 13.Qd1; 8.Nh3 e6 9.0-0 Qb6 10.d3 Be7 11.Be3 Qb2 12.Qa1 Qa1 13.Rfa1; 8.h3 e6 9.Nf3 Be7 10.0-0 0-0 11.Nb5 Qb8 12.Bb2 a6 13.Qa1) 8...e6 9.0-0 a6 10.d4 Bb4 11.Nb5 Qb8 12.e5 ab5 13.Ra8; C) 7.Nf3 Nf6 8.Be2 (8.Bb2 Qb6 9.Bb5 e5 10.Qe2 Bd6 11.Nd5 Nd5 12.ed5 0-0 13.0-0) 8...e6 9.0-0 a6 10.d4 Bb4 11.Nb5 Qb8 12.e5 ab5 13.Ra8.

6.Nc3 d6 7.Nf3 Nf6 8.h3 (8.d4 Bd7=+) 8...Bd7 (8...d5 9.ed5 Nd5 10.Bb2=+) 9.Be2 (9.d4 e6=+) 9...e5-/+ 10.0-0 (10.Ra1 Be7-/+) 10...Be7 (10...Nd4 11.Ra2-/+) 11.Ng5 (11.Ra1 Qc7-/+) 11...h6 (11...0-0 12.Ra1-/+) 12.Nf3 0-0 (better 12...Nd4 13.Ra1 Nf3 14.Bf3 0-0-/+) 13.d4? (better 13.Ra1!?-/+) 13...Nd4-+ 14.Rb4 (14.Ra1 Qc7 15.Bd2 Nf3 16.Bf3 b5-+) 14...Ne2 (better 14...d5 15.Rb7 Bc6 16.Re7 Qe7 17.Nd4 ed4 18.Nd5 Nd5 19.ed5 Bd5 20.Bb2-+) 15.Ne2?! (15.Qe2 Qa5 16.Rb3-+) 15...Qc7 16.Re1 (16.Ba3 Rfc8-+) 16...d5 17.Rb3 (17.Rb2 de4 18.Nd2 Bc5-+) 17...de4 18.Rc3 (18.Nd2 Rfd8 19.Ng3 Be6-+) 18...Qd6 (18...Bc6!? 19.Nd2 Rfd8 20.Re3-+) 19.Nd2 Rfc8 (19...Qa6!? 20.Rb3-+) 20.Ba3 Qe6 21.Rc8 (21.Be7 Qe7 22.Re3 Nd5 23.Re4 f5-+) 21...Rc8 22.Be7 Qe7 23.Qa1 (23.Ng3 Ba4 24.Nde4 Ne4-+) 23...Rc2 24.Rd1 (24.Qd1 Qc5 25.Ng3-+) 24...Qb4 25.Ne4 (25.Qa7 Rd2 26.Rd2 Qd2-+) 25...Qe4 (25...Ne4 26.Rd7 Re2 27.Rd8 Kh7 28.Rd1-+) 26.Ng3 Qf4 27.Qa7 Rc1 (27...Bc6!? 28.Re1-+) 28.Rc1 Qc1 29.Kh2 Qc8 (29...Qb2 30.Nh1-+) 30.Qe3 (30.Qa1 Qc5-+) 30...Qc7 31.Ne2 (31.Qa7 Be6-+) 31...b5 32.f4 (32.Qa3 Bc6-+) 32...ef4 33.Nf4 (33.Qf4 Qf4 34.Nf4-+) 33...Nd5 34.Qa3 Nf4 35.Qa8 Kh7 36.Qe4 g6 37.Kh1 Nh3! 38.Qe7 (38.gh3 Bf5 Double attack (38...Bf5 Decoy)) 38...Ng5 (38...Qc1 39.Kh2 Qf4 40.Kh1 Nf2 41.Kg1 Ng4 42.Qe1 Bc6 43.g3 Qd4 44.Kf1 Nh2 45.Ke2 Bf3) 39.Qb4 Qc4 40.Qe7 Be6 (40...Qf1 41.Kh2 Bc6 42.Kg3 Qg2 43.Kf4 Qf2 44.Ke5 Ne4 45.Qf7 Qf7 46.Kd4 Qf2 47.Kd3 Qd2) 41.Qf6 Qh4 42.Kg1 Nh3! (42...Nh3 43.Kh1 Nf2 44.Kg1 Qf6 45.Kh2 Ng4 46.Kh3 Qf2 47.g3 Qh2) 0–1. Eryigit,Cengiz – Ipek,Yunus Enes (1635), Turkish Championship Club, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

6.Nc3 e5 A) 7.Bb5 Bd6 (7...Nf6 8.Nf3 Bd6 9.0-0 0-0 10.Bb2 a6 11.d4 ed4 12.Nd4 Rb8 13.Be2) 8.Nf3 (8.h3 Nf6 9.Nf3 0-0 10.0-0 a6 11.d4 ed4 12.Bc6 dc3 13.Qd6; 8.Bb2 Nd4 9.Bd3 Qb6 10.Qb1 Nf6 11.Nge2 Ne6 12.0-0 Nc5 13.Rc4; 8.g3 Nf6 9.Nf3 0-0 10.0-0 a5 11.Rc4 Bb4 12.Bb2 Qb6 13.Ba4; 8.h4 Nf6 9.Nf3 0-0 10.0-0 b6 11.Bb2 Bb7 12.Qe2 Qe7 13.Bc4) 8...Nf6 9.0-0 0-0 10.h3 a6 11.d4 ed4 12.Bc6 Bc5 13.Bb7; B) 7.Nf3=+ B1) 7...Nf6 8.Bb5 (8.Bc4 Bc5 9.0-0 0-0 10.Ba3 Ba3 11.Ra3 d6 12.h3 Be6 13.Qe2) 8...Bd6 9.0-0 0-0 10.h3 b6 11.d4 Nd4 12.Nd4 ed4 13.Qd4; B2) 7...Bc5 8.Ne5 Ne5 9.d4 Bd6 10.Nb5 Qb6 11.de5 Be5 12.Be3 Qf6 13.Bc4.

6.Nc3 e6 7.Nf3 d6 8.Bb5 Bd7 9.0-0 g6 (9...a6 10.Bc6 Bc6 11.Ra1-/+) 10.d4 Bg7 11.Be3 Nge7 12.Qd2 0-0 13.Bh6 a6 14.Bc6 Nc6 15.Bg7 Kg7 16.d5 (16.Ra2 Na5=+) 16...Ne7 (16...Ne5 17.Ra3-/+) 17.Rd4 (17.Rb4 ed5 18.Rd1 de4 19.Ne4 b5 20.Nd6 Be6=) 17...e5-/+ 18.Rd3 b5 19.Rb1 Nc8 20.Na2 (20.Qe2 f5-/+) 20...Nb6 21.Qa5 f5 22.Nd2 fe4 23.Re3? (better 23.Ne4 Nc4 24.Qe1-+) 23...Nd5 24.Qd8 Rfd8 25.Re4 (25.Ree1 Rdc8 26.Rb2 Nb6 27.Ne4 d5-+) 25...Bf5 26.Ree1 Bc2 27.Rbc1 Bf5 28.g3 (28.Ne4 Be4 29.Re4 a5-+) 28...Rac8 29.Nb3 Rc1 30.Rc1 Rc8 (30...a5 31.Rd1 Be6 32.Rb1-+) 31.Rd1 Be6 32.Na5 (32.Rd2 g5-+) 32...Kf7 (32...Rc2 33.Ra1-+) 33.Nb7 Ke7 34.Rb1 (34.Rd2 g5-+) 34...Nc3 (34...Rc2 35.Ra1-+) 35.Nc3 Rc3 36.h4 (36.Na5 g5-+) 36...Bd5 37.Na5 (37.Nd6 Kd6 38.Kf1 a5-+) 37...Ra3 38.Rc1 Ra5 39.Kh2 (39.Kf1 Bc4 40.Kg2 d5-+) 39...b4 40.Rc7 (40.g4 b3 41.Rb1 Ra2-+) 40...Ke6 41.Rh7 b3 42.Rh6 b2 (42...b2 43.Rg6 Ke7 44.Rg5 b1Q 45.Rg7 Kf6 46.Rf7 Kf7 47.Kh3 Qh1 48.Kg4 Kg6 49.h5 Qh5) 0-1. Eryigit,Cengiz - Yildiz,Eyup Ensar, TCh-TUR Club, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

6.Nc3 Nf6 7.d4 e6 (7...d5 8.e5 Nd7 9.Nf3 Nb6 10.Ra1 g6 11.Bb5 Bg7 12.0-0 0-0 13.Ba3) 8.d5 (8.e5 Nd5 9.Nd5 ed5=+ 10.Nf3 Rb8 11.Bb5 Be7 12.0-0 0-0 13.Ba3) 8...ed5 (8...Bb4 9.Bd2 ed5 10.ed5 Qe7 11.Qe2 Bc3 12.Bc3 Qe2 13.Ne2) 9.ed5 Qe7 (9...Bb4!? 10.Bd2 Qe7 11.Qe2 Bc3 12.Bc3 A) worse 12...Nd5 13.Re4 (worse 13.Bg7 Qe2 14.Ne2 Rg8=+) 13...Nc3 14.Re7 Ne7 15.Qe5+-; B) 12...Qe2 13.Ne2 Nd5 14.Bg7 Rg8=+) 10.Be2= Ne5 (10...Nb4 11.Nb5 (11.d6 Qd6 12.Qd6 Bd6 13.Nb5) 11...Kd8+- (11...Nbd5 12.c4 Nb6 13.Nc7) 12.d6 Qe4 13.c4) 11.f4 (11.Nb5!? d6 12.Na7+- (12.Ra7?! Ra7 13.Na7 Bf5=) 12...Qd8 13.Nc6) 11...Ng6+= 12.Nb5 d6 13.Ba3 (worse 13.Ra7 Ra7 14.Na7 Bf5=+; 13.Rc4+-) 13...Qd8 14.Rc4 Nd5?? (better 14...Rb8 15.Nc7 Ke7+-) 15.Qd5+- Be6 16.Qb7 (16.Nd6?! Bd6 17.Qd6 Qd6 18.Bd6 Bc4 19.Bc4 Kd7=) 16...Bc4 (16...Rb8 17.Nc7 Kd7 18.Qc6 Ke7+-) 17.Nc7 (17.Nc7 Ke7 18.Na8 (18.Qa8?! Qc7 19.Bc4 Qc4 20.Qa7 Kd8=; worse 18.Bc4 Qc8 19.Qe4 Kd8 20.Na8 f5+-) 18...Qd7 19.Qd7 Kd7 20.Bc4+-) 1–0. Briscoe,C (2165) – Wells,Daniel, Open, Coventry ENG, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

6.Nc3 Nf6 7.Nf3 e6 (7...d6 8.Bc4 a6 9.Ng5 Ne5 10.Bb5 Bd7 11.Bd7 Qd7 12.f4 Ng6 13.f5) 8.Bb5 (8.e5 Nd5 9.Nd5 ed5 10.Bb5 Qb6 11.Qe2 Bc5 12.0-0 0-0 13.Ba3; 8.Bd3 Bb4 9.0-0 a5 10.e5 Ng4 11.Qe2 0-0 12.Na2 d5 13.c3) 8...Be7 9.0-0 0-0 10.e5 Nd5 11.Nd5 ed5 12.Bb2 Qb6 13.Qe2.

6.Nc3 g6 7.Nf3 Bg7 8.Bb2 d6 9.Bb5 Bd7 10.0-0 Nf6 11.Qa1 a6 12.Ra3 (12.Nd5 0-0 13.Nf6 Bf6 14.Bf6 ef6=+) 12...0-0 13.Bc6 Bc6 14.Re1 Nd7 (14...Qd7 15.Nd4-/+) 15.d4 (15.Nd5 e5=+) 15...Nb6 (15...e6 16.d5 Bc3 17.Bc3 ed5 18.ed5 Bd5 19.Qd1 Bf3 20.Qf3-/+) 16.d5=+ Bd7 17.Rb3 (17.Na4 Bb2 18.Nb2=+) 17...Qc7 (17...Nc4!? 18.Rb7 Bg4-/+) 18.Ne2= Bb2 19.Qb2 (worse 19.Rb2 Nc4 20.Ra2 e5-/+) 19...Bb5 (19...Na4 20.Rb7 Qc8 21.Qb1=+) 20.Ned4 Nc4 21.Nb5 ab5 22.Qc3 (22.Qc1 e5=) 22...Qa5 (22...Qc5 23.Rd1=) 23.Nd4 Qc3 24.Rc3 Ra3 25.Ra3 (25.Rb3 Rfa8=) 25...Na3=+ 26.Ra1 b4 27.c3 Rc8 28.cb4 Rc4 29.Nb3 (29.f3 Rd4 30.Ra3 Rb4-/+) 29...Nc2 30.Nd2 (30.Ra8 Kg7 31.f3 Rb4-/+) 30...Rb4 (better 30...Rd4!? 31.Rd1 f5 (31...Rb4?! 32.f3-/+) 32.ef5 gf5-+ (32...Rb4?! 33.fg6 hg6 34.Nf3=)) 31.Ra8-/+ Kg7 32.Kf1 Nd4 33.f3 (33.f4 b5-/+) 33...b5 34.Kf2 Rb2 35.Ke3 Nb3 36.Nb3 Rb3 37.Kf2 (37.Kf4 b4-/+) 37...b4 38.f4 Rb2 39.Kg3 (39.Kf3 b3-/+) 39...Rd2 (39...b3 40.Rb8-/+) 40.Rb8 (40.Ra7 Kf6 41.Rb7 Rb2-/+) 40...Rd3 (40...Rd4 41.Kf3 f5 42.ef5 gf5 43.h3-/+) 41.Kf2 b3 42.Kf1 (42.Ke2 Rc3-/+) 42...Rd4 43.Rb3 Re4 44.g3 Rd4 45.Rb5 Rd2 46.h3 Kf6 47.Kg1 (47.Ke1!? Rh2 48.h4 e6-+) 47...h5 48.Ra5 (48.Kf1 h4! 49.gh4 Rd4-+) 48...Rc2 (48...h4 49.g4-+) 49.Ra3 (better 49.Ra4-+) 49...Rd2 50.Ra5 e6 (50...h4!? 51.gh4 Rd4 52.Kg2-+) 51.de6 fe6 52.Ra8 d5 (52...e5 53.fe5 de5 54.Kf1-+) 53.Rf8-/+ Kg7 54.Rd8 (54.Re8 Kf7 55.Rh8 d4-/+) 54...d4 (54...h4 55.gh4 Rd4 56.h5-+) 55.g4 (55.Kf1 Kf7-/+) 55...hg4-+ 56.hg4 Kf6 (56...g5 57.fg5 e5 58.Kf1-+) 57.Rf8 (57.Kf1 g5 58.f5 ef5 59.Rf8 Kg6 60.Rg8 Kf7 61.Rg5 fg4 62.Rg4 Ke6-/+) 57...Ke7 58.Rg8 Kf7 59.Rd8 g5! 60.fg5 e5 61.Kf1 e4 (61...d3 62.Rd6 e4 63.g6 Kg7 64.Ke1 Re2 65.Kd1-+) 62.Ke1-/+ e3 63.Rd6 d3 (better 63...Kg7!? 64.Re6 Ra2-/+) 64.g6= Kg7 65.g5 Re2 66.Kd1 Rd2 67.Ke1 Re2 ½–½. Langer,Christian (2140) – Kwapinski,Leszek (1930), Werther Schloss op–B, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

6.d4 d5 7.ed5 Qd5 8.Nc3 Qd6 9.Nb5 Qb8 10.d5 Bd7 (10...Ne5!? 11.Bf4 g5 12.Bg5 a6+=) 11.dc6+- Bc6 (11...bc6 12.Nc3+-) 12.Bf4 (12.Nf3 e5 13.Qe2 f6+-) 12...e5+- 13.Be3 (13.Bg3 a6 14.Qa1 f6+-) 13...a6 14.Qa1 Nf6 15.Nf3 Nd7 16.Bc4 Be7 17.Ra2 0-0 18.Nc3 Bb5? (better 18...Bf3 19.gf3 Bb4=) 19.0-0?? (19.Nb5 Rc8 20.Bd3 ab5 21.Ra8 Qa8 22.Qa8 Ra8+-) 19...e4?? (19...Bc4 20.Rd1 Rd8 21.Ra4-+) 20.Ng5?? (better 20.Bb5 Nf6 21.Ne4 Ne4 22.Qd4+-) 20...Ne5?? (better 20...Bc4 21.Nge4 Nf6-+) 21.Bb3?? (better 21.Be2 Be2 22.Ne2+-) 21...Ng4-/+ 22.g3 Ne5?? (22...Ne3 23.fe3 Bf1 24.Nf7-/+) 23.Nd5?? (better 23.Nb5 Bg5 24.Nd4+-) 23...Qd8?? (better 23...Bg5 24.f4 Bf1 25.Kf1 Ng4 26.fg5 Qd8-/+) 24.Qe5+- Bd6 (24...Bf6 25.Qf5 Bg5 26.Bg5 Qd7 27.Qd7 Bd7+-) 25.Qe4 (25.Qe4 g6 26.Qd4 Bf1 27.Nf6 Kh8 28.Nfh7 Be5 29.Qe5 f6 30.Nf6 Rf6 31.Nf7 Kg7 32.Nd8 Rd8 33.Qe7 Rf7 34.Qf7 Kh8 35.Bd4 Rd4 36.Qg8) 1–0. Barahona Torrijos,A (1900) – Mateos Cordero,F, 18th Torneo San Viator, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

6.d4 d5 7.ed5= Qd5 8.Nc3 Qd8 9.d5 Ne5 10.Qd4+= Ng6 11.Bb5 Bd7 12.Bd7 Qd7+= 13.Ra7 Rb8 14.Nf3+/- e6 15.0-0 Nf6 16.Re1+/- Bd6 17.de6 fe6 18.Nb5! Be7 19.Qd7 Nd7 20.Nc7 Kf7 21.Ne6 Rhc8 22.Ra2 h6 23.g3 Bf6 24.Ned4 Nb6 25.Nf5 Rd8 26.h4 Rd5 27.Ne3 Rc5 28.Rd1 Rbc8 29.Ra7 R8c7 30.Ba3+- R5c6 31.Rb1 Nf8 32.Kg2 Ne6 33.h5 Nd8+/- 34.Ne1 Bc3 35.Nd3 Nc4 36.Nd5 Bd4 37.Nc7 Ba7 38.Nb5 Na3 39.Na3 Bd4 40.Rb4 Bf6 41.Nc4 Ke8 42.Ne3+- Kf7 43.f4 Rc3 44.Kf3 Rc7 45.Rc4 Rc6 46.g4 Ne6 47.Rc6 bc6 48.Ke4 Nd8 49.Nc4 Ke6 50.Nc5 Ke7 51.Kf5 Bd4 52.Ne4 Kf7 53.c3 Bf6? 54.Ncd6 Ke7 55.Nc8 Kf7 56.Nf6 gf6 57.Nd6 Ke7 58.Ne4 Ne6 59.Nf6 Nf4 60.Ng8 Kf8 61.Kf4 Kg8 62.Ke5 Kf7 63.Kf5 c5 64.c4 Kg7 65.Ke6 Kg8 66.Kf6 (66.Kf6 Kf8 67.Kg6+-) 1–0. Johansson,Th1 (2210) – Galligan,Brian, ch–EU Cork IRL, 2005.

6.d4 d5 7.ed5= Qd5 8.Nc3 Qd8 9.d5 Ne5 10.Qd4+= Ng6 11.Bb5 Bd7 12.Bd7 Qd7+= 13.Ra7 Rb8 14.Nf3+/- e6 15.Ne5 Ne5 16.Qe5 Rc8 17.0-0 f6 18.Qh5+- g6 19.de6 Qe6 20.Qb5 Qc6 21.Re1 Be7 22.Qc6 Rc6 23.Nd5 Kf8? 24.Ra8 Kf7 25.Ne7 Rc2 26.Ba3 Ra2 27.Ng8 Rg8 28.Re7# 1–0. Johansson,Th1 (2210) – Murphy,Dara, ch–EU Cork IRL, 2005.

6.d4 d5 7.ed5 Qd5 8.Nc3 Qd8 9.d5 Ne5 10.Bf4 Ng6 11.Bg3 e5 12.Qa1 a6 13.Nf3 Bd6 14.Ne4 f6 15.h4 Bf5 16.Bb5 Kf7 17.Bd3 N8e7 18.h5 Nf4 19.Bf4 ef4 20.h6 Re8 21.Nfg5 (better is 21.Kd1!?=) 21...Kg8+= 22.Ne6 Qb6 (better is 22...Be6 23.Nd6 Qd6 24.de6 Qe6 25.Re4 Qc6-/+) 23.Nf6 gf6 24.Qf6 Qb1 25.Kd2 Bb4 26.Rb4 (better is 26.Ke2 Bd3 27.Kd3+-) 26...Qb4+= 27.Kc1 Qa3 28.Kd2 Qb4 29.Kc1 Qa3 30.Kd1 Qa1 1–0. Carballo Noya,Miguel – O'Donnell,M (2270), Edinburgh Congress, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

6.d4 d6 7.d5 Ne5 8.f4 Nd7 9.Be3 Nc5 10.Bc5 dc5 11.e5 Bd7 12.Re4 Qa5 13.Nd2 ½–½. Benend,Andreas (2210) – Wuest,Hans Heiner, Verbandsliga Nord Baden, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

6.d4 e6 7.d5 Nce7 8.Nc3 Ng6? (better is 8...ed5 9.Nb5 d6=) 9.d6+- a6? (better is 9...f6+-) 10.Nb5! f6 (10...ab5 11.Ra8) 11.Nc7 Kf7 12.Na8 b5 13.Ra2 1–0. Barahona Torrijos (1940) – Bartolome Chicharro (1805), Madrid San Viator, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

6.Nf3 d6 7.Bb2 Nf6 8.Bb5 Bd7 9.0-0 a6 10.Be2 e5 11.c3 b5 12.Ra1 Ne4 13.d4 Be7 14.Re1 Nf6 15.Bd3 ed4 16.Nd4 Nd4 17.cd4 0-0 18.Qf3 d5 19.Nd2 Bb4 20.Re2? (20.Qd1-+) 20…Bg4 (20...Bg4 21.Qf4 Be2 22.Be2 Re8-+) 0–1. Colijn,Erik Jan (1755) – Smith,Thijmen (1680), NED–ch U17 Venlo, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.Ra4 Nc6)

5.c3 Nc6

6.d4 e5 7.d5 Na5 8.Qa4 (8.Nf3 Bd6=) 8...b6+= 9.Nf3 Bd6 10.Ba3 Qc7 11.Bd6 Qd6 12.Na3 a6 13.Qb4 Qb4 (13...Qf6!?=) 14.cb4+/- Nb3 15.Rb1 Nd4 16.Ne5 Nf6 17.f3 (17.Rd1 Nb5 18.Bb5 ab5 19.Nb5 0-0+-) 17...0-0 (17...b5!?+/-) 18.Rd1 Nf5 1–0. Marchlewicz,Kamil (2045) – Jurkiewicz,Krzysztof2 (2185), Rubinstein Memorial op–B Poland, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6)

6.d4 e5 7.f4 ed4-/+ 8.cd4 d5 9.e5 Bb4 10.Kf2 Nh6 11.h3 Qb6 12.Nf3 Nf5 13.Be3 f6 14.g4 Ne3 15.Ke3 fe5 16.fe5 0-0 17.Na3 (17.Bg2 Be6 18.Qd3 Na5-+) 17...Bd7 18.Nc2? (18.Rb1 Rae8 19.Rb4 Nb4 20.Bg2-+) 18...Ne5 19.Ne5 Qh6 (19...Qh6 20.g5 Qg5 21.Ke2 Bb5 22.Nc4 Bc4 23.Qd3 Qd2) 0–1. Frink,Ferenc (2250) – Mrva,Martin (2485), SVK–chT1E, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

6.d4 g6 7.Bd3 Bg7 8.Ne2 d6 9.0-0 Nf6 10.h3 0-0 11.Nd2 Qc7 12.f4 a6 13.Ra2 Bd7 14.Nf3 Na7 (14...b5 15.e5 Nd5 16.Bd2-/+) 15.g4 (better is 15.e5 Ne8 16.Qb3+=) 15...Ng4 (better is 15...Be6 16.d5 Bc8+=) 16.hg4+= Bg4 17.Qe1 Qd7 18.Qg3 Bh3 (18...f5 19.e5+=) 19.Rf2+/- Qg4 20.Rh2 Qg3 21.Ng3 Bg4 22.Kf2 Bf3 23.Kf3 e5 (23...Rfc8!? 24.Bd2 Nc6+=) 24.fe5+/- de5 25.d5 Rad8 26.Be3 Nc8 27.c4 Rfe8 (27...f5!? 28.ef5 Nd6+/-) 28.Rag2 f6 29.Rh1 Rd7 30.Ne2 Bf8 31.Rb1 Be7 (31...Rc7 32.Nc3+/-) 32.Nc3 Rc7 33.Na4 White plans c5 33...Kf7 (33...Rd8!?+/-) 34.Rgb2+- Nd6 (34...b5 35.cb5 ab5 36.Bb5 Rd8+-) 35.c5 Nc8 (35...Ne4 36.Be4 (36.Ke4?! f5 37.Kf3 e4 38.Be4 fe4 39.Kg2 Rd7+-) 36...f5 37.Rb7 fe4 38.Ke4 Rb7 39.Rb7+-) 36.Rb7 (36.Rb7 Rb7 37.Rb7+-) 1–0. Frink,F (2250) – Smehlik,J (1925), Tatry Open Tatranske Zruby SVK, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

6.d4 g6 7.Bd3 Bg7 8.Ne2 Nf6 9.0-0 0-0 10.f4 d6 11.f5 e6 12.Bg5 Qc7 13.Na3 ef5 14.ef5 Ne7 15.fg6 fg6 16.Nb5 Qb6 17.Bf4 Nf5 18.Bf5 Bf5 19.Nd6 Be6 20.Rb1 Qc6 21.Be5 (21.Nb7 Ne4 22.Na5 Qd5=) 21...b6 (21...Ng4!? 22.Bg7 Kg7 23.Nb7 Ne3-/+) 22.Nf4+= Bc4 23.Rf3 Nd5 24.Ne6 Ne3? (better is 24...Be5 25.de5 Ne3 26.Rf8 Rf8=) 25.Re3+- (25.Rf8? Bf8 26.d5 Bd5-+ (26...Nd1?! 27.dc6 Nc3 28.Bc3 Bd6 29.Rd1 Bh2 30.Kh2 Be6 31.c7-/+)) 25...Rf1? (better is 25...Be6 26.Bg7 Qd6 27.Bf8 Rf8+-) 26.Qf1 Bf1 27.Rf1 Be5 28.de5 Qd5 29.Ng5 a5 30.Ngf7 Qc5 31.Rfe1 a4 32.e6 a3?? 33.Ne4 Qe7 34.Nd2 a2+/- 35.Nb3 Qc7 36.Na1 b5 37.Ng5 Kg7?? 38.e7+- Qa7 39.Kh1 Re8 40.Ne6 Kg8 41.Nd4 Qc5 42.Ndc2 Qc4 43.h3 Kg7 44.Nb4 h5 45.R1e2 Kh6 46.Ra2 Qf1-+ 47.Kh2 Qf4 48.g3 Qe3 49.Nd5 Qe5 50.Rd2 h4 51.Nb3 Qg3 52.Kh1 Qh3 53.Kg1 Qg4 (53...Qg4 54.Kf1 Qc4 55.Kf2 Qb3-+) 0–1. Boettcher,Ulrich (2020) – Hanisch,Pavel (2140), Bad Woerishofen op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

6.d4 g6 7.d5 Na5 8.Qa4 b6 9.Bf4 Nf6 10.Na3 Bg7 11.Nb5 0-0 12.Bc7 Qe8 13.Bb6? (better is 13.Bf4 d6 14.Nc7 Qa4 15.Ra4-/+) 13...ab6-+ 14.Nc7 Qd8 15.Na8 Ne4! 16.Bd3?? (16.Qe4 Bc3 Double attack) 16...Bc3 17.Ke2 Nc5 (worse is 17...Ba1 18.Be4 Ba6 19.Kd1-+) 18.Qa2 Ba1 (18...Ba1 19.Qa1 Nd3 20.Kd3 Ba6 21.Ke4 f5 22.Ke3 Qa8-+) 0–1. Strik,Aart – Spaan,Martijn, Haarlem ACCOM op, 1990. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6)

6.d4 d5

7.Bb5 de4 8.d5+/- Qb6 9.Qa4 Bd7 10.Be3 Qc7 11.dc6 bc6 12.Qe4 Nf6 13.Qf3 e5 14.Nd2 Bd6 15.h3 0-0 16.Bc4 c5 17.Ne2 Kh8 18.Ra6 Rae8 19.g4 Bc8 20.Rc6 Qe7 21.g5 Ng8 22.Bd5 (22.Ne4 Bc7 23.Bc5 Qd7+-) 22...f5? (better is 22...Bd7 23.Ra6 Bb5+-) 23.gf6! Nf6 (23...Qf6 24.Ne4 Double attack (24.Ne4 Decoy); 23...Rf6 24.Ne4 Double attack (24.Ne4 Decoy); 23...gf6 24.Ne4 Double attack (24.Ne4 Decoy); 23...Nf6 24.Ne4 Double attack (24.Ne4 Decoy)) 24.Bg5 Qd7 25.Nc4 (25.Bf6 Rf6 26.Qg4 Qc6 27.Bc6 Bg4 28.Be8 Rh6+=) 25...e4 (25...Nd5 26.Qd5 Bb7 27.Rd6 Qc8+= (worse is 27...Bd5 28.Rd7 Bh1 29.Be3+/-)) 26.Qg2+/- Bc7? (better is 26...Nd5 27.Rd6 Qb7+=) 27.Bf6+- gf6 28.Rg1 (28.Be4 Re4 29.Qe4 Bb7-/+) 28...Bb7 29.Rc5 Rd8 30.Nd4 Bd5 31.Rd5 Qf7 32.Rd8 Rd8 33.Ne6?? (better is 33.Nd2+-) 33...Rb8?? (better is 33...Rd7 34.Qe4 Re7=) 34.Qg7+- (34.Qg7 Qg7 35.Rg7+- (35.Ng7? Rb1 36.Ke2 Rg1-+); 34.Qe4?! Re8 35.Ne3 Re6=) 1–0. Schaffranietz,Horst – Graf,Stefan, Regionalliga SW, 2000. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

7.Bb5 de4 8.d5 Qd7 9.dc6 bc6 10.Qd7 Bd7 11.Ba6 +/-.

7.Bb5 Be6 8.c4 de4 (8...dc4? fails to 9.d5 Bd7 10.dc6 bc6 11.Bc4+-) 9.d5 White threatens to win material: d5xc6 9...Bd7 10.dc6 White has a mate threat 10...bc6 White wins a piece. . 11.Ba4 (11.Ba6 Qc7+=) 11...Nf6 (11...e5 12.Bc2 Bb4 13.Bd2=) 12.Ne2 Qc7 (12...e6 13.Bc2+/-) 13.0-0 Black's piece can't move: f8 (13.Qc2 e6+=) 13...Ng4 Black has a mate threat 14.Bf4 White threatens to win material: Bf4xc7 (14.Ng3!? must be considered 14...Rb8 15.Nc3+=) 14...e5= Black threatens to win material: e5xf4 15.Bg3 f5 16.h3 White threatens to win material: h3xg4 16...Nh6 17.Nec3 (17.Qd2 Be7=) 17...Be7 (better is 17...Rb8!?= should not be overlooked) 18.Nd5+/- Qd6 19.Ne7 Qe7 20.f4 (20.Qb3!? f4 21.Bh2+/-) 20...ef4 21.Bf4 White wins a piece 21...Nf7 22.Qd4 White threatens to win material: Qd4xg7 22...0-0 23.c5 Rfd8 24.Bd6 (24.Bc7 Re8+=) 24...Nd6 (24...Qe8 25.Ra3 Be6 26.Nd2+=) 25.cd6 White wins a piece (25.Qd6?! Qd6 26.cd6 Rab8=) 25...Qg5 (25...Qe6 26.Na3+/-) 26.Bb3 (26.Nd2 Qf6 27.Qf6 gf6+-) 26...Kh8 27.Nc3 (27.Ra5 Qh6+/-) 27...Rab8 (27...Qg3!?= is interesting) 28.Bc2+/- Re8? (28...c5!? 29.Qc5 Rbc8+/-) 29.Ne2 (better is 29.Ra7!? keeps an even firmer grip 29...Rbd8+-) 29...c5 (29...a6 30.Ra6 c5+-) 30.Qc3 (30.Qc5 a5 31.Ba4 Rec8+-) 30...Bb5 (30...Rb6 31.Ba4 (31.Qc5 Rc8 32.Qd5 Rc2 33.Ra7 Rb8+=) 31...Rd6 32.Bd7 Rd7 33.Qc5+/-) 31.Rf2 (31.Ra7 Be2 32.Rf5 Qh6+-) 31...Be2? (better is 31...a6!?+= would keep Black in the game) 32.Re2+/- Rbd8 (better is 32...Red8!?+/-) 33.Qc5+- Qf6 34.Rd1 Re6 35.d7 Re7? (35...a6 36.Be4! a brilliant end 36...fe4 37.Rf1+-) 36.Qc7 (36.Qa7 might be the shorter path 36...Re6+-) 36...Rf7 (36...Re6+-) 37.Bb3 Rff8 38.Qd6 (38.Qa7 and White can already relax 38...Ra8 39.Qd4 Qd4 40.Rd4 g6+-) 38...Qg5 39.Qe5 (39.Qc5 makes it even easier for White 39...Qf6+-) 39...Qf6 (39...h6 40.Rd6 Kh7 41.h4 Qc1 42.Rd1+-) 40.Qf6 Rf6 (40...gf6?? 41.Be6 f4 42.Re4+-) 41.Rc2 (41.Rc2 g6 42.Rc8+-) 1–0. Zala,Gyula (2175) – Toth,Mate Jozsef (2130), HUN–chT2 Erkel, 2003. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

7.Nd2 e5 8.de5 de4 9.Qe2 +=.

7.Nd2 e6 8.Bb5 Bd7 9.Ngf3 Be7 10.0-0 de4 11.Ne4 Nf6 12.Re1 Ne4 13.Re4 0-0 14.Qb3 (14.Bd3 a6+=) 14...Re8 (14...Qb6 15.Qa4+=) 15.Bd2 (15.Bd3 b6+=) 15...a6 16.Bd3 b5 17.Rae1 (17.c4 bc4 18.Bc4 Qb8+=) 17...Bf6 18.Bb1 (18.Qb2 Ne7-/+) 18...Na5-/+ 19.Qc2 g6 20.Bf4 (20.Ne5!?-/+) 20...Bc6-+ 21.R4e3 Nc4 22.Rd3 Na3 23.Qb3 Nb1 24.Qb1 Rc8 (24...Qd5 25.Be5 Be7 26.Qc1-/+) 25.Ne5 Qd5 26.Nc6 Rc6 27.Be5 Be5 (27...Be7 28.Qb2-/+) 28.Re5 (28.de5 Qc4-/+) 28...Qd6 29.Kh1 Rec8 30.Ree3 (30.Qe1 b4!-+) 30...b4! 31.Qb3 (31.Qb4 Qb4 Combination; 31.cb4 Rc1 Double attack (31...Rc4 Decoy)) 31...bc3 32.Rc3 (32.Qc2-+) 32...Qd4 33.Red3 (33.g3 Rc3 34.Qb7 Qd5 35.Qd5 ed5-+) 33...Qc3 34.Qc3 (34.h3 Qe1 35.Kh2 Qf2 36.Qb4-+) 34...Rc3 35.Rc3 Rc3 36.h3 a5 37.Kh2 a4 38.f3 a3 39.Kg3 (39.Kh1 a2 40.Kh2 a1Q 41.h4 Rc1 42.f4 Rh1 43.Kg3 Qf1 44.h5 Qd3 45.Kg4 gh5 46.Kg5 Qg6) 39...a2 40.h4 (40.Kg4 a1Q 41.Kg3 Qe1 42.Kg4 h5 43.Kg5 Rc5 44.Kh6 Qe3 45.f4 Qf4) 40...a1Q 41.h5 (41.Kh2 Rc4 42.f4 Qe1 43.g3 Rc3 44.h5 Qg3 45.Kh1 Rc1) 41...g5 42.h6 (42.Kh2 Rc2 43.h6 Qf1 44.Kg3 Qg2) 42...f5 (42...Qe1 43.Kh2 Qh4 44.Kg1 Rc1) 43.Kh3 (43.Kf2 Rc2 44.Kg3 Qf1 45.f4 Qg2) 43...Qh1 44.Kg3 Qh4 0–1. Rocha de Moura,RK – Casarin,LMP (1855), Bairro BRA, Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

7.Nd2 e6 8.Ngf3 Nf6 9.e5 Nd7 10.Bd3 a5 11.0-0 b6 12.Re1 Ba6 13.Bc2 Be7 14.Nf1 h5 15.Kh1 Na7 16.Ng1 Qc7 17.Re3 Bg5 18.Rg3 Bc1 19.Qc1 g6 20.Qg5 Qd8 21.Qf4 Qe7 22.Nd2 Rc8 23.Nh3 Rc7 24.Ng5 Nf8 25.Qe3 Rg8 26.Ndf3 Kd8 27.Nd2 Kc8 28.Rf3 Rg7 29.h4 Kb7 (29...Kd8!?=) 30.Bd3+= Bd3 31.Qd3 Nh7 32.Nh7 Rh7 33.g3 Nc6 34.c4 Nb4 35.Qb3 Rh8 (35...Kc8!?=) 36.c5+= Ra8 37.cb6 Rc2 38.Rc3 (38.Nf1 Rc6+=) 38...Rc3 (38...Rd2 39.Rc7 Qc7 40.bc7 Rd3+-) 39.Qc3+/- Kb6 40.Nb3 Nc6 (40...Ra7 41.Kg1+/-) 41.Nc5 (better is 41.Rb1!? Nb4 42.Na5 Ra5 43.Rb4 (43.Qb4?! Qb4 44.Rb4 Rb5=) 43...Rb5 44.Ra4 Rb1 45.Kg2+-) 41...Kc7+/- 42.Rb1 Ra7 43.Qb3 (43.Na4 Ra6+=) 43...Nb4 (43...Nd4?? 44.Qb6 Kc8 45.Qb8) 44.Qa4 Kd8 45.Qb5 (45.Rc1 g5 46.Qb5+-) 45...Qc7= 46.Rc1 Ke7 47.Nb3 Qd7 48.Qc5 Ke8 49.Qb6 Qb7 50.Qd6 Ra6 51.Rc7 (51.Na5!? Rd6 52.Nb7=) 51...Rd6+= 52.Rb7 Rd7 53.Rb5 (53.Na5 Rb7 54.Nb7 Nc2-/+) 53...Ra7 (better is 53...Nc6!? 54.Rc5 Rb7 55.Na5 Rb1 56.Kg2 Nd4-/+) 54.Ra5 Ra5 55.Na5 Nc2 56.Nb3 Kd7 57.Kg2 Kc6 58.f4 Kb5 59.Kf3? (better is 59.Kf2!?+=) 59...Kc4 60.Nd2 Kd4 (60...Kc3!? 61.Ke2-+) 61.Ke2 Kc3 62.Nb1 Kc4 63.Nd2 Kc3 64.Nb1 Kb2 65.Nd2 Nd4 (65...Nd4 66.Kd3 Kc1-+) 0–1. Plaszczynska,A – Brustman,Agnieszka (1935), Poland–chT Porabka, 1986. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

7.e5 f6 8.Bd3+= g6 9.f4 (9.Nf3 Bg4+= 10.Bf4 Bh6 11.Bg3 fe5 12.de5 Bg7; 9.Bf4 Bh6 10.Bh6 Nh6 11.ef6 ef6 12.Nf3 0-0) 9...Nh6 (9...Bg7 10.Nf3 Nh6 11.Qb3 0-0 12.0-0 Na5; 9...Kf7 10.h4 Bh6 11.h5 Kg7 12.Qf3 Bf5; 9...Bh6 10.Nf3 Bg4 11.0-0 Qb6 12.Kh1 Qc7; 9...Qc7 10.Qb3 Nd4 11.Qd5 Nc6 12.e6 Qd6; 9...a6 10.Nf3 Bg4 11.0-0 b5 12.Qe1 Qc8) 10.Nf3 Bg7 11.0-0 (11.Qb3 0-0 12.0-0 Na5) 11...0-0 12.h3 (12.Qb3 a6+= (12...Ng4+=)) 12...Bf5-/+ 13.Na3 Bd3 14.Qd3 e6 15.g4 (15.ef6 Qf6 16.Nb5 a6-/+) 15...f5 (15...a6 16.Nc2-/+) 16.g5 Nf7 17.h4 (17.c4 dc4 18.Nc4 Qd5-/+) 17...a6 18.Ra2 (18.Nc2 Qc7-/+) 18...h5 (18...Qc7 19.h5-+) 19.gh6 Bh6 20.Rg2 Kh7 21.Ng5 Bg5 22.fg5 b5 23.h5 Rh8 (23...Qb6 24.Qe3-/+) 24.Nc2 (24.Kf2 b4 25.cb4 Qb6 26.hg6 Kg6+=) 24...Kg7 (24...Qb6 25.Rgf2 Qc7 26.Qg3-/+) 25.hg6 Kg6 Increasing the pressure on the isolated pawn on g5 26.Ne3 (better is 26.Kf2+=) 26...Rh3?? (better is 26...Kg7+=) 27.Rf5!+- Kg7 (27...ef5 28.Qf5 Double attack) 28.Rf6 Ne7 29.Nf5!! (29.Nf5 Nf5 30.Qh3+-) 1–0. Turta,V (2225) – Podgursky,S (2215), A.Lutikov Memorial, 2008. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

7.e5 f6 8.Bd3 g6 9.h4 fe5 10.h5 e4 11.hg6 Nf6 (worse is 11...ed3 12.Rh7 Bg7 13.Rg7=) 12.Bb5 Bf5 13.gh7 Rh7 (13...Nh7?? 14.Qh5 Kd7 15.Qf5 e6 16.Rh7 Be7 17.Qf7+-; 13...Bh7 14.Ra6 Qd7 15.Qa4=) 14.Rh7 Bh7 15.Bg5 Qd6 16.Nd2 Qh2 17.Ne2 Qg2 18.Bf6 ef6 19.Qb3 e3! 20.fe3 (20.fe3 Bd6 Combination) 20...Bd6 21.Bc6 bc6 22.Qb7 ½–½. Noire,Eric (2190) – Horak,Jiri (2270), IECG, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

7.e5 f6 8.f4 Bf5-/+ 9.Nd2 e6 10.g4 fe5 (10...Bg6 11.Qb3 Qd7 12.Ngf3-/+) 11.h4 (11.gf5 Qh4 12.Ke2 Qh5 13.Ke1 Qh4 14.Ke2 Qf4=) 11...Be7 (11...ed4!? 12.gf5 dc3 13.Qh5 g6 14.fg6 cd2 15.Bd2 Kd7-/+) 12.gf5= Bh4 13.Ke2 ed4 14.Ndf3 Bf6 15.fe6 dc3 16.Qd3 Qd6 17.Bh3 Nge7 18.Ba3 (better is 18.Rb1!?-/+) 18...Qf4-+ 19.Kf2 (better is 19.Be7 Ne7 20.Qb5 Kf8 21.Ra4-+) 19...Bd4 20.Kg2 Ng6 (better is 20...Qe4!? 21.Qf1-+) 21.Bf5 Nge5 22.Ne5 Qf2 (22...Qe5?! 23.Nf3 Qe3 24.Qc2+=; 22...Ne5 23.Qb5 Kd8 24.Qd5 Kc8 25.Rh5 (25.Rh7 Qg5 26.Kh1 Rh7 27.Bh7 Qh5 28.Kg2 Qg4 29.Kh1 Qh4 30.Kg2 Qh7 31.Qd4 Qg6 32.Kf2 Qf5 33.Ke1 Qe6 34.Qc3 Kd7+=) 25...Qd2 26.Kh1+-; 22...Be5?! 23.Rh7 Rh7 24.Bg6 Kd8 25.Qd5 Bd6 26.Bh7+=) 23.Kh3 Be5 (23...Ne5 24.Qb5 Nc6 25.Qd5-+) 24.Ne2 d4 (24...g6 25.Be4 0-0-0 26.Bf3-+) 25.Rad1 (25.Nc3 Qe3 26.Qe3 de3-+) 25...Rd8 (better is 25...Bf6-+) 26.e7? (26.Bc1 Rf8 27.Rdf1 Rf5 28.Rf2 Rf2 29.Qh7 Ke7 (29...Re2 30.Qg6 Ke7 31.Ba3 Nb4 32.Bb4 Rd6 33.Qf7 Kd8 34.Ba5 b6 35.e7 Kc8 36.e8Q Rd8 37.Qc6 Kb8 38.Qfb7) 30.Bg5 Ke6 31.Bd8 Re2 (31...Nd8?! 32.Qh4 Re2 33.Qg4 Kd6 34.Qe2+=) 32.Qg6 Kd5 33.Qf7 Kc5 34.Be7 Ne7 35.Qe7 Kc4 36.Qb7 Re3 37.Kg4 c2=) 26...Rb8 (26...Ne7 27.Qb5 Nc6-+) 27.Rhf1?? (27.Nc3 g6 28.Bg4-/+) 27...Qh2 28.Kg4 h5 (better is 28...Qg2 29.Kh5 g6 30.Kh6 gf5-+) 29.Kf3 Bf6 (29...Ne7 30.Qb5 Kf7 31.Qc4 Ke8 32.Qe6+-) 30.Bg6 Kd7 31.Qf5 Kc7 32.Nf4 Ne5 (32...Ne7 33.Qc5 Nc6 34.Qd6 Kb6 35.Bc5 Kb5 36.Bd3 Ka4 37.Ra1 Kb3 38.Rfb1 Qb2 39.Ra3) 33.Ke4 Qc2 34.Rd3 Qb3?? (better is 34...Nd3 35.Bd6 Kb6 36.Nd3 Qg2 37.Rf3 Qe2 38.Kd5 Rbc8-+) 35.Nd5 Kc6 36.Qe6 Kb5 37.Nc3! dc3 38.Qb3 Kc6 (38...Ka6 39.Qa4 Kb6 40.Rb1 Kc7 41.Bd6 Kc8 42.Rc3 Nc4 43.Rc4) 39.Qd5 (39.Rc3 Nc4 40.Rc4 Kd7 41.Qh3) 39...Kc7 (39...Kb6 40.Rb1 Kc7 41.Qd6 Kc8 42.Rc3 Nc4 43.Rc4) 40.Qd6 Kc8 41.Bf5 (41.Bf5 Nd7 42.Qd7#; 41.Rc3 Nc4 42.Rc4) 1–0. Wege,Jochen (2240) – Becker,R, Kassel op, 1994. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

7.Bb5 e6

8.ed5 Qd5 9.Bf1 e5 10.Be3 ed4 11.cd4 (11.Ne2 Nf6 12.Nd4 Bc5-/+) 11...Bb4-+ 12.Ke2 (12.Nd2-+) 12...Nf6 13.Nf3 0-0 14.g3 (14.h3 Re8 15.Nbd2 Nd4 16.Nd4 Qd4-+) 14...Bf5 (14...Be6!? 15.Nbd2 Ne4 16.Ne4 Qb5 17.Qd3-+) 15.Bg2 (15.Nbd2 Bg4 16.Bg2 Qb5 17.Ke1-+) 15…Qb5 (15...Qb5 16.Qd3 Qd3; 15...Qc4 16.Qd3 Qd3) 0–1. bobby fissure (2165) – marekt (2575), ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6)

8.e5 Qc7 9.Nf3 +=.

8.e5 Nge7 9.Bd3 Ng6 10.f4 Be7 11.Nf3 0-0 12.0-0 Rb8 13.Ra2 b5 14.g4 f5 15.gf5 ef5 16.Rg2 Qe8 17.Kh1 Be6 18.Rfg1 b4 19.h4 Nh4?? (19...Rf7!?-/+) 20.Rg7 (20.Nh4 Bd8 21.Nf3 Rf7+/-) 20...Kh8 21.Nh4 Bh4?? (better is 21...bc3 22.Nf5! Rf5 23.Bf5 Bf5 24.Nc3 Bg6 25.R7g6 hg6 26.Nd5 Qf7 27.Ne7 Ne7+/-) 22.Qf3 (22.Rh7! Kh7 23.Qg4 Bg5 24.Qg5 Qg6 25.Qg6 Kh8 26.Qg7) 22...Ne7?? (22...Rf7 23.Rf7 Qf7-/+ (worse is 23...Bf7 24.Bf5 Qe7 25.Bb2+=)) 23.Qh3+/- Ng6 24.Ra7 Be7 25.Ra6 (better is 25.cb4!? Rg8 26.b5+-) 25...Qf7+= 26.Qh6 Rg8 27.Rg2 Bf8 28.Qh5 bc3 29.Nc3 Rb3 30.Bd2 Ne7 (better is 30...Bb4!? 31.Re6 Qe6 32.Bf5 Qa6-/+) 31.Qf7+/- Bf7 32.Ra8 Rg2? (better is 32...Be6!?+=) 33.Rf8+- (33.Kg2?! Kg7 34.Kf2 h5+=) 33...Kg7 34.Rf7 Kf7 35.Kg2 Rb2 36.Nb1 Nc6 37.Bf5 Nd4 38.Bh7 Nb3 39.Kh3 Nd2 (39...Rd2? 40.Nd2 Nd2 41.Kg3+-) 40.Nc3?? (better is 40.Nd2 Rd2 41.Kg4+=) 40...Rb3-+ 0–1. Zala,Gyula (2250) – Nilsson,Nils Specht (2235), Budapest Spring op, 1993. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6)

8.e5 Bd7

9.Bd3 a6 10.Nh3 g6 11.Ng5 Bg7 12.h4 f5 13.ef6 Qf6 (worse is 13...Nf6 14.h5 Ne7 15.h6=) 14.h5 e5 15.0-0? (better is 15.hg6!? hg6 16.Rh8 Bh8 17.de5 Ne5 18.Be2-/+) 15...Nge7 16.de5 Ne5 (16...Qe5?! 17.hg6 hg6 18.Bg6 Kf8 19.Qf3 Bf5 20.Bf4=) 17.Be2 h6 (17...0-0 18.hg6 Qg6 19.Nf3-+) 18.Nf3-/+ 0-0 (18...Nc4 19.Bc4 dc4 20.Ba3 gh5 21.Re1=) 19.Ne5 Qe5 20.Ba3 Bc6 21.Bf3 Qf6 22.Be7 Qe7 ½–½. Strejc,Josef (2135) – Mezera,Lukas, CZE–chTJ, 2000. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.Bb5 e6 8.e5 Bd7)

9.Bd3 b5 10.Ne2 b4 11.0-0 f5 12.c4 Nge7 13.Be3 dc4 14.Bc4 Na5 15.Bd3 Nd5 16.Nf4 Nf4 17.Bf4 Be7 18.d5 ed5 19.e6 Bc6 20.Bf5 0-0 21.Qh5 Rf5 22.Qf5 Nc4 23.Re1 a5 24.Nd2 Qf8 25.Qg4 Qf6 26.Nc4 dc4 27.Bg3 c3 28.Qc4 Be8 29.Qd5 Rd8 30.Qa5 c2 31.Qa2 Bg6 32.Qb3 Qd4 33.Be5 Qd2 34.Bc7 (better is 34.h3!?+/-) 34...Rc8= 35.g3 h6 (35...Rc7 36.Ra8 Rc8 37.Rc8 Qd8 38.Rd8 Be8 39.Re8 Bf8 40.e7 Kh8 41.ef8Q) 1–0. Zala,Gyula (2145) – Steiger,Bela (2235), HUN–chT2 Erkel, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6)

9.Bd3 Qc7 10.Ba3 +=.

9.Bd3 Rc8 10.Nh3 Be7 11.Qg4 g6 12.0-0 f6 13.ef6 Bf6 14.Qe2 Kf7 15.Nf4 Attacking the backward pawn on e6 15...Nge7 16.Qf3 e5 17.Nd5 Nd5 18.Qd5 Be6 19.Qf3 ed4 20.Bg5 dc3 21.Nc3 Kg7 22.Bf6 Qf6 23.Qf6 Kf6 24.Ne4 Kg7 25.Nc5 Bd5 26.Nb7 Nb4 27.Be4? (better is 27.Be2!? Rc2 28.Bd1+=) 27...Be4-+ 28.Nd6 Bd3 29.Ra7 Kf6 30.Nc8 Bf1 (30...Rc8?! 31.Rd1-/+) 31.Kf1 Rc8 32.Rh7 Rc2 33.Rd7 Nc6 34.Rd6 Kf5 35.g4 Kg5 36.h4 Kg4 37.Rg6 Kh4 38.Re6 Kh3 39.Re3 Kg4 40.Re8 Nd4 41.Rg8 Kf4 42.Rf8 Nf5 43.Kg2 ½–½. Strejc,Josef (2130) – Cernousek,Lukas (2180), CZE–ch U18 Czechia, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.Bb5 e6 8.e5 Bd7)

9.Bd3 f5 10.g4 (10.Nf3 a6=) 10...Nge7+= 11.Nh3 Ng6 (11...Qc7 12.gf5 Nf5 13.Nf4+=) 12.Ng5 (12.gf5 ef5 13.Qh5+=) 12...Be7 (better is 12...Nh4!?+=) 13.Ne6= Be6 14.gf5 Bf7 (14...Nge5 15.de5 (worse is 15.fe6 Nd3 16.Qd3 0-0+=) 15...Bg8 16.e6+=) 15.fg6+/- hg6 16.Qc2 (16.Nd2 g5+/-) 16...Bg5 (16...g5 17.Ba3+=) 17.Nd2+/- Rc8 18.Qb1 (18.Nf3 Bc1 19.Qc1 a6+/-) 18...Qe7 (18...Rh3 19.Nb3 (worse is 19.Bg6 Rc3 20.Bf7 Kf7=) 19...Rc7 20.Ba3+/-) 19.Bg6 Rh6?? (19...Rc7 20.Qf5 Bg6 21.Qg6 Kd8 22.Nb3 Bc1 23.Nc1+/-) 20.Bf7 (better is 20.Qf5 Ra8 21.Bf7 Qf7 22.Qg5+-) 20...Qf7+/- 21.Qd3 b6 22.Nf1 Bc1 23.Rc1 Rh4 24.Rd1 (24.Ra1 Re4 25.Ne3 Rc7+/-) 24...Na5 25.Ng3 (25.Nd2 Nc4+=) 25...Rf4+= 26.0-0 (better is 26.Qb5 Kd8 27.Ne2+=) 26...Rf3? (better is 26...Nc4+=) 27.e6!+- Qf6 (27...Qe6 28.Qe2 Double attack (28.Qf3 Deflection; 28.Qe2 Decoy)) 28.Qb5 Kf8 29.Rde1 (29.Qd5 Rfc3 30.Rfe1+-) 29...Rc7 (29...Nc6 30.Qd5 Ne7+-) 30.Qd5 Rfc3? (30...Ke7 31.Re5 g6+-) 31.Qd6 (better is 31.Re3 Ke8 32.e7 Re7 33.Rc3+-) 31...Qe7 (better is 31...Ke8!?+/-) 32.Qe7 Ke7?? (32...Re7 33.Nf5 Rd3+-) 33.Nf5 Kf6 (33...Kd8 34.d5+-) 34.e7 Rc8 (34...Re7 35.Ne7 (35.Re7?! Kf5 36.Rd1 Nc4+-) 35...Rc4 36.Nd5 Kg6 37.Re4+-) 35.Nd6 1–0. Gietl,Thomas (2205) – Reis,Gerhard (2180), Landesliga Nord, 1996. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6 8.e5 Bd7)

9.Bd3 g6 10.Nh3 b5 11.0-0 Na5 12.f4 Nc4 13.g4 Qh4 14.Qf3 h5 15.g5 Qg4 16.Qg4 hg4 17.Nf2 Ne7 18.Ng4 Bg7 19.Nf6 Bf6 20.ef6 Nc8 21.Bc4 bc4 22.Ra6 Bb5 23.Ra5 Bc6 24.Ba3 Rb8 25.Bb4 Rb5 26.Ra2 a5 (better is 26...Rh4!?=) 27.Ba5+/- Nd6 28.Nd2 Ne4 29.Nf3 0-0 (better is 29...Rb3!?+=) 30.Ne5+- Rc8 31.Bb4 Be8 32.Ra7 Nd2 33.Rf2 Nb3?? (better is 33...Rb4 34.cb4 c3+/-) 34.Ng6! fg6 (34...fg6 35.Rg7 Mate attack) 35.Rg7 Kh8 36.Rf3 (36.Rf3 Rb4 37.Rh3) 1–0. Soukup,Jiri (2250) – Havranek,Miroslav (2210), CZE–chT2b, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.Bb5 e6)

9.Bd3 g6 10.Nh3 b5 11.0-0 h5 12.Nf4 Nge7 13.Na3 a6 14.Nc2 Na5 15.Ba3 Nc4 16.Bd6 Nb2 (16...Nd6!? 17.ed6 Nf5-/+) 17.Qe2 Nd3 18.Nd3 Nf5 19.Bf8 Kf8 20.Nc5 a5 21.f3 h4 22.Qf2 Bc6 23.f4 Kg7 24.Rfb1 Qe7 25.Ne1 b4 (better is 25...Qc7!?=) 26.cb4+= ab4 27.Ra8 Ra8 28.Ned3 Bb5 29.Nb4 Bc4 30.Qb2 Rc8 31.Nc2 Rc5 32.dc5 Qc5 33.Kh1 Bd3 34.Rc1?? (better is 34.Nb4 Bb1 35.Qb1-+) 34...Qf2 35.Qc3 h3 (35...h3 36.Rg1 hg2 37.Rg2 Qf1 38.Rg1 Be4 39.Qf3 Bf3; 35...Qf4?! 36.Re1 Be4 37.Ne3-+) 0–1. Soukup,Jiri (2185) – Vagner,Tomas (2235), CZE–chT2b, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5)

9.Bd3 Nge7

10.Ra2 Qc7 A) 11.Na3 Ng6 (11...Nf5 12.Nf3 Qb6 13.0-0 Be7 14.Rb2 Qc7 15.Nb5 Qd8 16.Bf5 ef5; 11...Nc8 12.Nf3 Be7 13.0-0 a6 14.Nb5 Qd8 15.Bf4 h6 16.Nd6 Nd6; 11...Na5 12.Ne2 Nf5 13.0-0 Ba3 14.Ba3 Nc4 15.Nf4 Bb5 16.Bb4 g6) 12.Nf3 Be7 13.0-0 0-0 14.Bg5 Rfc8 15.Qd2 f6 16.ef6 gf6; B) 11.Nf3 a6 (11...Ng6 12.Ba3 Nf4 13.Bf8 Rf8 14.0-0 f6 15.Re1 fe5 16.Ne5 Ne5; 11...Nf5 12.Ba3 Ba3 13.Na3 Nce7 14.Qc2 a6 15.0-0 Rc8 16.Nb1 Qc6; 11...Na5 12.Ng5 Nf5 13.Bf4 h6 14.Nf7 Kf7 15.Bf5 Kg8 16.Bd3 Be7) 12.0-0 Na7 13.Ba3 Bb5 14.Bd6 Qc6 15.Na3 Nf5 16.Bf8 Rf8; C) 11.Nh3 f6 (11...Ng6 12.0-0 Be7 13.Bg5 0-0 14.Qh5 b5 15.Na3 Qa5 16.Bd2 Ba3; 11...Rc8 12.0-0 Nf5 13.Bf5 ef5 14.Nf4 Be6 15.Ba3 Ba3 16.Na3 a6; 11...a6 12.Ba3 Ng6 13.Bf8 Nf8 14.Qf3 Na7 15.Qg4 Ng6 16.Ng5 Bb5) 12.ef6 gf6 13.0-0 e5 14.Qh5 Kd8 15.de5 fe5 16.Ng5 Kc8; D) 11.Ba3 Ng6 (11...Nf5 12.Bf8 Rf8 13.Nf3 b6 14.0-0 Nce7 15.Qb3 Rg8 16.Ra6 Bc8; 11...b6 12.Nf3 Ng6 13.Bf8 Rf8 14.0-0 f6 15.Re1 Kf7 16.Na3 Na5; 11...f6 12.Bd6 Qc8 13.ef6 gf6 14.Qh5 Kd8 15.Qf7 f5 16.Nf3 h6) 12.Bf8 Rf8 13.Nh3 a5 14.Qh5 Rh8 15.0-0 Nce7 16.Qf3 Rf8.

10.Ra2 Rc8 A) 11.Nd2 Ng6 (11...b6 12.Ngf3 Nf5 13.0-0 Na5 14.Bb2 Be7 15.Qc2 Qc7 16.Rc1 0-0; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Ne2 f6 15.ef6 gf6 16.Ng3 Qd6; 11...Nf5 12.Ngf3 Qc7 13.Ba3 Ba3 14.Ra3 0-0 15.0-0 f6 16.Re1 fe5) 12.Ne2 f6 13.ef6 gf6 14.Qb3 Qc7 15.Nf3 Bd6 16.0-0 Na5; B) 11.Na3 Ng6 (11...Nf5 12.Ne2 a6 13.0-0 Qc7 14.Bf4 Nfe7 15.Bg5 Ng6 16.Qb3 b5; 11...Qb6 12.Nf3 Nf5 13.0-0 Be7 14.Rb2 Qa5 15.Rb5 Qc7 16.Bf5 a6; 11...a6 12.Nf3 Nf5 13.0-0 Be7 14.Bf5 ef5 15.Nb1 Na5 16.Bg5 Bg5) 12.Nf3 Be7 13.0-0 a6 14.Qb3 Na5 15.Qb2 Ba4 16.Be3 b5; C) 11.Ne2 Ng6 (11...f6 12.ef6 gf6 13.Nf4 Qb6 14.Qh5 Kd8 15.Rb2 Qc7 16.Qf7 f5; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Nd2 f6 15.ef6 gf6 16.Ng3 Qd6; 11...Nf5 12.Nf4 g6 13.0-0 Qh4 14.Na3 h6 15.Nc2 a6 16.Ne3 Rc7) 12.Nd2 f6 13.ef6 gf6 14.Nf3 Qc7 15.Qb3 Rg8 16.Ba3 Bh6; D) 11.Nf3 Qc7 (11...Nf5 12.0-0 Qc7 13.Ba3 Ba3 14.Na3 a6 15.Bf5 ef5 16.c4 Be6; 11...Ng6 12.0-0 Be7 13.Be3 0-0 14.Nbd2 Qc7 15.Bg5 a6 16.Be7 Nce7; 11...a6 12.0-0 Ng6 13.Be3 Be7 14.Qb3 Rc7 15.Nbd2 0-0 16.Qb6 Nb8) 12.Ba3 Ng6 13.0-0 Ba3 14.Na3 a6 15.Bg6 hg6 16.c4 g5.

10.Ra2 Nf5 A) 11.Nh3 Rc8 (11...Be7 12.Nf4 Nh4 13.0-0 Ng6 14.Qh5 Nf4 15.Bf4 a5 16.Qg4 Bf8; 11...a5 12.0-0 Qc7 13.Qf3 Nce7 14.Ba3 Qc6 15.Qh5 g6 16.Qf3 h6; 11...Qc7 12.0-0 Rc8 13.Bf5 ef5 14.Nf4 Be6 15.Ba3 Ba3 16.Na3 a6) 12.Nf4 Nfe7 13.0-0 Ng6 14.Qh5 Qh4 15.Qh4 Nh4 16.Nd2 Be7; B) 11.Nf3 Qc7 (11...Be7 12.Ba3 0-0 13.Qb3 Qc7 14.0-0 Rfc8 15.Nbd2 Na5 16.Qb1 Ba3; 11...b6 12.0-0 Be7 13.Ba3 0-0 14.Nbd2 Ba3 15.Ra3 Qe7 16.Qb3 Nh4; 11...Nh4 12.0-0 Nf3 13.Qf3 Qh4 14.Bf4 a6 15.Nd2 Ra7 16.Rb1 h6) 12.0-0 Be7 13.Ba3 0-0 14.Qc2 Kh8 15.Bf5 ef5 16.Be7 Ne7; C) 11.Nd2 b5 (11...Be7 12.Ne2 Qc7 13.0-0 0-0 14.Nf4 Bg5 15.Nb3 Bf4 16.Bf4 Nce7; 11...Qg5 12.g3 Qd8 13.Ngf3 Rc8 14.0-0 Be7 15.Ba3 b6 16.Qb3 Na5; 11...a5 12.Ngf3 b5 13.0-0 b4 14.Bf5 ef5 15.c4 Nb8 16.Re1 dc4) 12.Bb5 Ne5 13.Ba6 Ng6 14.Ngf3 Qc7 15.c4 dc4 16.Nc4 Bc6; D) 11.Ne2 Be7 (11...Qc7 12.0-0 Be7 13.Nf4 g6 14.Ba3 Bg5 15.Nh3 Bd8 16.Nd2 a6; 11...Rc8 12.0-0 Qc7 13.Bf5 ef5 14.Nf4 Be6 15.Ba3 Ba3 16.Na3 a6; 11...a6 12.0-0 b5 13.Re1 Be7 14.Nf4 0-0 15.Bf5 ef5 16.Nd5 Be6) 12.Nf4 Nh4 13.0-0 Ng6 14.Qh5 Nf4 15.Bf4 a5 16.Qg4 Bf8.

10.Ra2 Ng6 A) 11.Ne2 Be7 (11...f6 12.Nf4 Nf4 13.Bf4 Qc7 14.Qh5 Kd8 15.Bg3 Be8 16.Qg4 Qf7; 11...Qc7 12.Nd2 f6 13.Qc2 Nge7 14.f4 a5 15.Ba3 fe5 16.fe5 Nf5; 11...Rc8 12.Nd2 f6 13.ef6 gf6 14.Qb3 Qc7 15.Nf3 Bd6 16.0-0 Na5) 12.Ba3 0-0 13.Qb3 b6 14.Bg6 fg6 15.Be7 Qe7 16.Nd2 Qh4; B) 11.Qh5 Qh4 (11...Rc8 12.Ne2 Qh4 13.Qh4 Nh4 14.0-0 Be7 15.Nd2 0-0 16.Ba3 Ba3; 11...Qc7 12.Ne2 Be7 13.Ba3 0-0 14.Be7 Nce7 15.Nd2 a6 16.0-0 b5; 11...a5 12.Nf3 Qc7 13.0-0 Nce7 14.Bg5 h6 15.Bd2 Bc6 16.Na3 Qd7) 12.Qf3 a5 13.Ne2 a4 14.Na3 Qd8 15.0-0 Be7 16.Bd2 0-0; C) 11.Nf3 Be7 (11...Rc8 12.0-0 Be7 13.Be3 0-0 14.Nbd2 Qc7 15.Qc2 Ra8 16.Rb1 a6; 11...Qc7 12.0-0 Be7 13.Bg6 hg6 14.Ba3 a6 15.Nbd2 g5 16.h3 g4; 11...a6 12.0-0 Be7 13.Ba3 Nf4 14.Bc2 f6 15.Be7 Qe7 16.g3 Ng6) 12.0-0 0-0 13.Qb3 Na5 14.Qc2 Nc4 15.Na3 Nb6 16.Re1 Qc7; D) 11.Nh3 Be7 (11...Qc7 12.0-0 Be7 13.Bg5 0-0 14.Qh5 Rfc8 15.Nd2 a5 16.Be7 Nce7; 11...Rc8 12.0-0 Be7 13.Ba3 0-0 14.Qh5 a5 15.Nf4 b5 16.Ng6 fg6; 11...a5 12.Bg5 Qc7 13.0-0 h6 14.Bd2 Nce7 15.Na3 Nf5 16.Nb5 Qc6) 12.Ba3 0-0 13.Be7 Nce7 14.Qh5 a5 15.0-0 Qc7 16.Ra3 b5.

10.Nd2 a6 A) 11.Nh3 Ng6 (11...b5 12.Ba3 a5 13.Bd6 b4 14.cb4 Nb4 15.Bb4 ab4 16.Ra8 Qa8; 11...Na7 12.Qf3 Nb5 13.Nb3 Qc7 14.Bd2 Nf5 15.0-0 g6 16.Rfc1 Na3; 11...Ra7 12.Ba3 b5 13.Bc5 Ra8 14.0-0 Ng6 15.Bf8 Nf8 16.Nb3 Qc8) 12.Qh5 Qc7 13.Rb1 Nce7 14.Rb3 Ba4 15.Ra3 b5 16.Bb2 Nc8; B) 11.Ne2 Na7 (11...Ng6 12.0-0 b5 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...f6 12.ef6 gf6 13.Nf4 Qc8 14.Qh5 Kd8 15.Qf7 f5 16.0-0 e5; 11...b5 12.Ba3 Ng6 13.Bf8 Rf8 14.Nf3 f6 15.h4 fe5 16.Bg6 hg6) 12.0-0 Bb5 13.c4 dc4 14.Nc4 Nec6 15.Be3 Nb4 16.Nb2 Nd3; C) 11.Qb3 b5 (11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Ngf3 Ng6 15.0-0 Nf4 16.Qc2 f6; 11...Qc8 12.Ngf3 Ng6 13.Bg6 hg6 14.Ba3 b5 15.Bf8 Kf8 16.Qa3 Kg8; 11...Na5 12.Qc2 Ng6 13.Ne2 b5 14.0-0 Nc4 15.Bc4 bc4 16.Ba3 Ba3) 12.Ngf3 Ng6 13.Bg6 hg6 14.Ba3 Ba3 15.Ra3 g5 16.g4 Rh3; D) 11.Ba3 Na7 (11...Ng6 12.Bf8 Rf8 13.Qb1 b5 14.Ngf3 Nf4 15.0-0 f6 16.Re1 fe5; 11...b5 12.Ngf3 a5 13.Bc5 b4 14.cb4 Nb4 15.Bb4 ab4 16.Ra8 Qa8; 11...Ra7 12.Ngf3 b5 13.Bc5 Ra8 14.0-0 Qc8 15.Re1 Ng6 16.Bf8 Nf8) 12.c4 dc4 13.Nc4 Nb5 14.Nf3 Bc6 15.Nd6 Nd6 16.Bd6 Bd5.

10.Nd2 b5 A) 11.Ne2 a5 (11...Ng6 12.0-0 a6 13.Nf3 Be7 14.Ba3 0-0 15.Be7 Nce7 16.Qd2 Qc7; 11...b4 12.Nf3 a5 13.Bd2 Ng6 14.h4 bc3 15.Nc3 Nb4 16.Be2 Rc8; 11...a6 12.0-0 Ng6 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7) 12.0-0 b4 13.cb4 Nb4 14.Bb1 Bb5 15.Nf3 Nec6 16.Re1 Be7; B) 11.Nb3 Nc8 (11...b4 12.Nc5 Qc7 13.Na6 Qb6 14.Rb1 Qa5 15.Nb4 Nd4 16.cd4 Nc6; 11...Ng6 12.Bb5 Nce5 13.Ba6 Nc4 14.Bc4 dc4 15.Na5 Qc7 16.Nf3 Bd6; 11...Nf5 12.Nf3 a5 13.Bg5 f6 14.ef6 gf6 15.Bd2 a4 16.Nc5 Bc5) 12.Nf3 a5 13.Ng5 Qc7 14.Nh7 Be7 15.Qc2 b4 16.Nd2 bc3; C) 11.Ndf3 b4 (11...Na5 12.Nd2 Ng6 13.Ne2 Nc4 14.Nc4 bc4 15.Bg6 hg6 16.Ba3 Ba3; 11...Ng6 12.Ne2 Be7 13.Ba3 b4 14.cb4 Nb4 15.0-0 a5 16.Qd2 0-0; 11...a6 12.Ne2 Ra7 13.Ba3 Na5 14.Ng5 Ng6 15.Bf8 Nf8 16.Nf3 Nc4) 12.Ne2 a5 13.cb4 Nb4 14.Bb1 Nec6 15.Nc3 Be7 16.0-0 0-0; D) 11.Ngf3 b4 (11...Ng6 12.0-0 a5 13.Nb1 Be7 14.Be3 0-0 15.Re1 Qc7 16.Ng5 b4; 11...Nf5 12.Qb3 a5 13.Bf5 a4 14.Qa2 ef5 15.Qd5 b4 16.Qc4 Rc8; 11...a6 12.0-0 Ng6 13.Nb3 a5 14.Ba3 b4 15.cb4 ab4 16.Bc1 Ra1) 12.cb4 Nb4 13.Be2 Nec6 14.0-0 Be7 15.Nb3 0-0 16.Qd2 a5.

10.Nd2 Qc7 11.Ba3 Ng6 (11...Nf5 12.Bf8 Rf8 13.Ngf3 a6 14.Qb3 Nce7 15.g4 Nh6 16.Rg1 a5; 11...f6 12.Bd6 Qc8 13.ef6 gf6 14.Qh5 Kd8 15.Qf7 f5 16.Ngf3 Be8; 11...Qb6 12.Ngf3 Ng6 13.Bf8 Rf8 14.0-0 Qc7 15.c4 Nf4 16.Qb1 a5) 12.Bf8 Rf8 13.Ne2 f6 14.f4 a5 15.h4 f5 16.h5 Nge7.

10.Nd2 Ng6 A) 11.Nh3 a6 (11...Be7 12.Ba3 Ba3 13.Ra3 Qe7 14.Qa1 0-0 15.0-0 Qh4 16.Rb1 Rab8; 11...Qc7 12.0-0 a6 13.Qb3 f6 14.f4 f5 15.Ba3 Ba3 16.Qa3 Ra7; 11...Rc8 12.0-0 Be7 13.Ba3 Ba3 14.Ra3 b6 15.Ra6 Qe7 16.Qe2 Qh4) 12.0-0 b5 13.Qh5 b4 14.Ng5 bc3 15.Ndf3 Nce7 16.Ra6 Ra6; B) 11.Ndf3 a5 (11...Qc7 12.Ne2 Be7 13.Ba3 b6 14.Be7 Nce7 15.0-0 0-0 16.Qb3 a5; 11...b6 12.Ne2 Be7 13.Ba3 0-0 14.Be7 Nce7 15.0-0 a5 16.Qc2 Qc7; 11...Be7 12.Ne2 0-0 13.0-0 b5 14.Ba3 b4 15.cb4 Nb4 16.Bg6 fg6) 12.Ne2 Be7 13.Ba3 0-0 14.Bg6 fg6 15.Be7 Qe7 16.0-0 g5; C) 11.Qf3 a6 (11...a5 12.Ne2 b5 13.0-0 b4 14.cb4 Nb4 15.Bb1 Qh4 16.Bb2 Be7; 11...b5 12.Ne2 b4 13.cb4 Nb4 14.Bb1 a5 15.0-0 Qh4 16.Qe3 Bb5; 11...Be7 12.Ne2 a5 13.Ba3 Bg5 14.Qg3 a4 15.Nf3 Be7 16.0-0 0-0) 12.Ne2 b5 13.0-0 Ra7 14.Qg3 Qh4 15.Qh4 Nh4 16.Re1 Be7; D) 11.Ne2 a6 (11...b5 12.0-0 a6 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...f6 12.ef6 gf6 13.Nf3 Rg8 14.0-0 Bd6 15.Ba3 Bc7 16.Re1 a6; 11...Be7 12.Ba3 Ba3 13.Ra3 Qg5 14.0-0 0-0 15.f4 Qh5 16.Qb3 b6) 12.0-0 b5 13.Nf3 Be7 14.Ba3 0-0 15.Be7 Nce7 16.Qd2 Qc7.

10.Ne2 Qc7 A) 11.Na3 Na5 (11...Nf5 12.0-0 a6 13.Nf4 Nce7 14.Bd2 Rc8 15.Nc2 Ng6 16.Qg4 Nh6; 11...Ng6 12.0-0 Be7 13.Nb5 Qb6 14.Rb1 Qa5 15.Nd6 Bd6 16.ed6 Rb8; 11...Qc8 12.0-0 a6 13.c4 dc4 14.Nc4 Nd5 15.Be4 Ncb4 16.Nd2 Bc6) 12.Nb5 Bb5 13.Bb5 Nec6 14.Qa4 b6 15.Bd3 a6 16.Nf4 b5; B) 11.0-0 a6 (11...Ng6 12.Na3 Be7 13.Nb5 Qb6 14.Rb1 Qa5 15.Nd6 Bd6 16.ed6 Bc8; 11...Nf5 12.Ba3 Nce7 13.Nd2 b5 14.Nb3 f6 15.Nc5 fe5 16.de5 Ng6; 11...Rc8 12.Ba3 Qd8 13.Nd2 b6 14.Ba6 Ra8 15.Bd6 Bc8 16.Bd3 Bb7) 12.Ba3 f6 13.Bd6 Qb6 14.Nd2 fe5 15.de5 Nc8 16.Rb1 Qa7; C) 11.Nf4 Na5 (11...Ng6 12.Ng6 hg6 13.Ba3 Ba3 14.Ra3 g5 15.Nd2 f6 16.Qg4 fe5; 11...Rc8 12.Ba3 Ng6 13.Ng6 hg6 14.Bf8 Rf8 15.Nd2 Rh8 16.0-0 Na5; 11...a6 12.Ba3 Ng6 13.Ng6 hg6 14.Bf8 Rf8 15.Nd2 Rh8 16.0-0 g5) 12.Qc2 b6 13.Na3 a6 14.Bd2 Nec6 15.0-0 h6 16.Rfb1 Be7; D) 11.Ba3 a6 (11...f6 12.Bd6 Qc8 13.Na3 a6 14.c4 Qd8 15.Nf4 f5 16.Nc2 dc4; 11...Qc8 12.Nd2 f6 13.Nf4 Kd8 14.Nf3 Na5 15.Qc2 Nc4 16.Bc4 Qc4; 11...Ng6 12.Bf8 Rf8 13.Na3 Nce7 14.0-0 f6 15.f4 b6 16.c4 a6) 12.Bd6 Qc8 13.Nd2 b5 14.0-0 Ng6 15.Bf8 Nf8 16.Nf4 Ng6.

10.Ne2 Rc8 A) 11.Nd2 f6 (11...Ng6 12.0-0 Be7 13.Ba3 Ba3 14.Ra3 0-0 15.c4 Qh4 16.f4 Rfd8; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.0-0 f6 15.Nf3 a6 16.ef6 gf6; 11...b6 12.Ba3 a5 13.0-0 Ng6 14.Bf8 Nf8 15.Qb3 a4 16.Qb2 Ra8) 12.ef6 gf6 13.Nf4 Qc7 14.Nh5 Ng8 15.Ng3 Nd4 16.cd4 Qc3; B) 11.Ba3 b6 (11...Ng6 12.Bf8 Nf8 13.0-0 Qh4 14.Na3 a6 15.Qb3 Rb8 16.f4 f6; 11...a6 12.0-0 Ng6 13.Bf8 Nf8 14.Qb3 Qc7 15.Nd2 f6 16.ef6 gf6; 11...Ra8 12.0-0 Qc8 13.Nd2 f6 14.ef6 gf6 15.c4 Qc7 16.Qb3 Bh6) 12.Bd6 Ng6 13.Bf8 Rf8 14.Na3 Na5 15.Nb5 Bb5 16.Bb5 Ke7; C) 11.Na3 Ng6 (11...a6 12.0-0 Qc7 13.Re1 Ng6 14.Bg5 h6 15.Be3 b5 16.Nc2 a5; 11...Nf5 12.Bf5 ef5 13.Qb3 f6 14.Qd5 fe5 15.de5 Qa5 16.Qa5 Na5; 11...Qb6 12.Rb1 Qa5 13.0-0 Nd8 14.Ra1 Ng6 15.Qb3 a6 16.Nc2 Qc7) 12.Qb3 Na5 13.Qb2 Rc6 14.Nc2 b6 15.0-0 Qh4 16.f4 Ne7; D) 11.0-0 a6 (11...Qc7 12.Ba3 f6 13.Bd6 Qb6 14.Nd2 fe5 15.de5 Na5 16.Qc2 Nf5; 11...Ng6 12.Ba3 Be7 13.Be7 Qe7 14.Na3 0-0 15.Nb5 Ra8 16.Bg6 hg6; 11...h6 12.Nd2 Ra8 13.Ba3 b5 14.Bd6 Na5 15.Nf4 Nb7 16.Qg4 g6) 12.Ba3 Ra8 13.Bd6 Ng6 14.Bf8 Nf8 15.Nd2 b5 16.Nb3 Qc8.

10.Ne2 f6 A) 11.Nf4 f5 (11...Kf7 12.Qh5 Kg8 13.ef6 gf6 14.Qf3 f5 15.g4 Qc8 16.gf5 ef5; 11...Qc8 12.ef6 gf6 13.Qh5 Kd8 14.Qf7 Nb4 15.Qf6 Nd3 16.Nd3 Rg8) 12.Be3 Qc7 13.Na3 Na5 14.Nb5 Bb5 15.Bb5 Kf7 16.Qa4 Nec6; B) 11.f4 a6 (11...Rc8 12.0-0 Qb6 13.Nd2 Ng6 14.ef6 gf6 15.f5 ef5 16.Rb1 Qc7; 11...Ng6 12.0-0 a6 13.ef6 Qf6 14.Qb3 Ra7 15.f5 ef5 16.Qd5 Nge7; 11...Qb6 12.Nd2 Qc7 13.Ba3 Ng6 14.Qc2 Nce7 15.c4 Nf5 16.Bf5 ef5) 12.0-0 Qb6 13.ef6 gf6 14.Ba3 e5 15.fe5 fe5 16.Bc5 Qc7; C) 11.Bf4 fe5 (11...Ng6 12.ef6 Nf4 13.f7 Kf7 14.Nf4 Bd6 15.Qg4 Kg8 16.Nh5 Qe7) 12.de5 g6 13.Nd2 Bg7 14.Nf3 Qc7 15.Qb3 b6 16.0-0 Ne5; D) 11.ef6 gf6 12.Nf4 Qc8 13.Qh5 Kd8 14.Qf7 f5 15.0-0 Rg8 16.Re1 Bh6.

10.Ne2 Ng6 A) 11.Nd2 f6 (11...a6 12.0-0 b5 13.Nf3 Be7 14.Ba3 0-0 15.Qd2 f5 16.Nf4 Nf4; 11...b5 12.0-0 a6 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...Be7 12.Ba3 Ba3 13.Ra3 Qg5 14.0-0 0-0 15.f4 Qh5 16.Qb3 b6) 12.ef6 gf6 13.Nf3 Rg8 14.0-0 Bd6 15.Ba3 Bc7 16.Re1 a6; B) 11.Qb3 Qc7 (11...b5 12.0-0 a6 13.Ba3 Nge7 14.Nd2 f6 15.f4 f5 16.Bd6 Na5; 11...b6 12.0-0 Be7 13.f4 Na5 14.Qa2 0-0 15.f5 Nh4 16.fe6 Be6; 11...Na5 12.Qa2 b6 13.0-0 Qc7 14.Nd2 a6 15.f4 Qc6 16.Ba3 Ba3) 12.Nd2 f6 13.ef6 gf6 14.Ba3 Bh6 15.Nf3 Rg8 16.0-0 Na5; C) 11.Na3 Rc8 (11...b6 12.Be3 Be7 13.0-0 0-0 14.Nf4 Nf4 15.Bf4 a6 16.Qh5 g6; 11...a6 12.0-0 Be7 13.Nc2 0-0 14.Bg6 fg6 15.Ba3 b5 16.Qd3 Ba3; 11...Be7 12.Qb3 Na5 13.Qa2 0-0 14.Nc2 Nc6 15.0-0 a6 16.f4 b5) 12.Qb3 Na5 13.Qb2 Rc6 14.Nc2 a6 15.0-0 Rb6 16.Nb4 Nc4; D) 11.0-0 Qh4 (11...a6 12.Nd2 b5 13.Nf3 Be7 14.Ba3 0-0 15.Bg6 fg6 16.Be7 Qe7; 11...b5 12.Ba3 Ba3 13.Ra3 a6 14.Nd2 0-0 15.Qc2 f5 16.Rfa1 Qb6; 11...Be7 12.Ba3 0-0 13.Be7 Qe7 14.Nd2 Qg5 15.f4 Qg4 16.Qb3 b6) 12.Nd2 a6 13.Nf3 Qd8 14.Bg5 f6 15.ef6 gf6 16.Be3 Rg8.

10.Nf3 Qb6 A) 11.Ba3 Ng6 (11...f6 12.0-0 fe5 13.de5 g5 14.Re1 g4 15.Ng5 h5 16.Nh7 Bg7; 11...a6 12.0-0 Ng6 13.Bf8 Nf8 14.Nbd2 Ng6 15.Qc2 Nf4 16.Rfb1 Qa7; 11...Rc8 12.0-0 Ng6 13.Bf8 Nf8 14.Na3 Na5 15.Qc2 Ng6 16.Rfb1 Qc7) 12.Bf8 Nf8 13.Nbd2 Ng6 14.Rb1 Qc7 15.Bg6 hg6 16.c4 g5; B) 11.Ng5 Nf5 12.0-0 Be7 13.Qh5 g6 14.Qg4 Na5 15.Ba3 Nb3 16.Ra2 Bb5; C) 11.0-0 f6 (11...Nf5 12.Bf5 ef5 13.Ba3 Ne7 14.Bc5 Qb5 15.Na3 Qc6 16.Rb1 Nc8; 11...Na5 12.Na3 Nf5 13.Re1 Qb3 14.Qd2 Rc8 15.Nb1 Qb6 16.Qa2 Nc6; 11...Ng6 12.Ng5 Be7 13.Qg4 Nge5 14.de5 Ne5 15.Qf4 Nd3 16.Qf7 Kd8 17.Be3) 12.Ba3 fe5 13.de5 g5 14.Re1 g4 15.Ng5 h5 16.Nh7 Bg7; D) 11.Na3 Rc8 (11...Nf5 12.0-0 Na5 13.Re1 Qb3 14.Qd2 Rc8 15.Nb1 Qb6 16.Qa2 Nc6; 11...Ng6 12.0-0 Be7 13.Rb1 Qc7 14.Nb5 Qa5 15.Nd6 Bd6 16.ed6 Bc8; 11...Na5 12.0-0 Nf5 13.Re1 Qb3 14.Qd2 Rc8 15.Nb1 Nc4 16.Bc4 Rc4) 12.0-0 Nf5 13.Rb1 Qa5 14.Rb5 Qc7 15.Bf5 a6 16.Be6 Be6.

10.Nf3 Qc7 A) 11.0-0 Na5 (11...a6 12.Ba3 Ng6 13.Bf8 Rf8 14.Na3 Na5 15.Ng5 Nf4 16.Nh7 Rh8; 11...Nf5 12.Ba3 Nce7 13.Bc1 Nc8 14.Qb3 Qb6 15.Nbd2 Qb3 16.Nb3 Be7; 11...Ng6 12.Na3 Be7 13.Nb5 Qb6 14.Rb1 Qa5 15.Nd6 Bd6 16.ed6 Bc8) 12.Qc2 b5 13.Bg5 h6 14.Bf4 Nc4 15.Nbd2 a5 16.Rfb1 a4; B) 11.Ng5 Nf5 (11...g6 12.0-0 Nf5 13.Nf3 h6 14.Ba3 Bg7 15.Nbd2 Rc8 16.Bf5 gf5; 11...Ng6 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 a5 16.Rfb1 Rfc8) 12.g4 Nh4 13.Nh7 Be7 14.Rg1 Ne5 15.de5 Qe5 16.Kf1 Qh2; C) 11.Qc2 f6 (11...Ng6 12.Bg5 Be7 13.Be7 Nce7 14.0-0 0-0 15.Nbd2 Rfc8 16.Rfc1 Bc6; 11...a6 12.Ba3 Ng6 13.Bf8 Rf8 14.0-0 Nce7 15.Nbd2 f6 16.Rfe1 b5; 11...h6 12.Na3 Na5 13.0-0 a6 14.Bf4 b5 15.Rfb1 Rc8 16.Rc1 Nec6) 12.ef6 gf6 13.Na3 Kd8 14.0-0 Ng6 15.Be3 Nf4 16.Rfb1 Nd3; D) 11.Ba3 Ng6 (11...Qb6 12.0-0 f6 13.Nbd2 fe5 14.de5 Nf5 15.Bf5 Ba3 16.Bh7 Rh7; 11...f6 12.Bd6 Qb6 13.Nbd2 fe5 14.Ne5 Ne5 15.Be5 Rc8 16.Rb1 Qa5; 11...Nf5 12.Bf8 Rf8 13.0-0 f6 14.Bf5 ef5 15.Re1 Be6 16.c4 fe5) 12.Bf8 Rf8 13.0-0 f6 14.Re1 Nce7 15.Qb3 a5 16.Na3 Nf4.

10.Nf3 Rc8 A) 11.0-0 Ng6 (11...a6 12.Ng5 g6 13.Qf3 Nf5 14.Bf5 ef5 15.Qd5 Be6 16.Qf3 Bd5; 11...h6 12.Ba3 b6 13.Bd6 Ra8 14.Nbd2 a5 15.Re1 Na7 16.Qe2 Nac8; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Na3 Na5 15.Nb5 Bb5 16.Bb5 Nd7) 12.Ba3 Ba3 13.Na3 a6 14.Qd2 Nh4 15.Nh4 Qh4 16.Rfb1 Rc7; B) 11.Na3 a6 (11...Qa5 12.Bd2 Qb6 13.Rb1 Qa5 14.Nb5 Ng6 15.Ra1 Qb6 16.Qb1 Nb4; 11...Qb6 12.0-0 Nf5 13.Rb1 Qa5 14.Rb5 Qc7 15.Bf5 a6 16.Be6 Be6; 11...Nf5 12.0-0 Be7 13.Bf5 ef5 14.Qb3 Na5 15.Qd5 Bc6 16.Qd8 Rd8) 12.0-0 Qc7 13.Bd2 Nf5 14.Re1 Be7 15.Bg5 0-0 16.Qd2 Rfe8; C) 11.Qb3 Na5 (11...b6 12.0-0 Ng6 13.Be3 Be7 14.Rc1 Na5 15.Qb2 0-0 16.Nbd2 Bc6; 11...Qc7 12.Ba3 Ng6 13.Bf8 Rf8 14.0-0 Nf4 15.Qc2 Rh8 16.Qd2 Nd3; 11...Rb8 12.Ba3 Ra8 13.0-0 Na5 14.Qb2 b6 15.Nbd2 f6 16.Qc2 Nac6) 12.Qb2 Nec6 13.Nbd2 Qc7 14.0-0 Ne7 15.Be2 a6 16.Qa2 Nec6; D) 11.Ba3 a6 (11...b6 12.0-0 Ng6 13.Ba6 Rb8 14.Bf8 Rf8 15.Bd3 Rc8 16.Na3 Na5; 11...Qb6 12.0-0 f6 13.Nbd2 fe5 14.de5 Nf5 15.Bf5 Ba3 16.Bh7 Rh7; 11...Ra8 12.0-0 a6 13.Nbd2 b5 14.Bd6 Ng6 15.Bf8 Rf8 16.Nb3 Qc8) 12.0-0 Ng6 13.Bf8 Nf8 14.Qb3 Qc7 15.Rc1 Ng6 16.Nbd2 Nf4.

10.Nf3 Ng6 A) 11.Na3 Be7 (11...a6 12.0-0 Be7 13.Nc2 0-0 14.Bg6 fg6 15.Ba3 Ba3 16.Ra3 Na5; 11...b6 12.Ng5 Qc8 13.0-0 Be7 14.Qh5 Nd8 15.Bd2 Bg5 16.Qg5 Nc6; 11...Qb6 12.0-0 Be7 13.Rb1 Qc7 14.Nb5 Qa5 15.Rb3 a6 16.Nd6 Bd6) 12.0-0 a6 13.Rb1 b5 14.Nc2 Qc7 15.Bg6 hg6 16.Ba3 Ba3; B) 11.0-0 Be7 (11...a6 12.Bg5 f6 13.Be3 fe5 14.Bg6 hg6 15.de5 Qc7 16.Qc2 Ne5; 11...b5 12.Ng5 Be7 13.Qh5 Bg5 14.Bg5 Nce7 15.Bg6 fg6 16.Qh4 a5; 11...Rc8 12.Be3 Be7 13.Qb3 Qc7 14.Nbd2 f6 15.ef6 gf6 16.Rfb1 b6) 12.Qb3 Qc7 13.Na3 0-0 14.Nb5 Qb6 15.Rb1 a6 16.Nd6 Qb3; C) 11.Ba3 Ba3 (11...Be7 12.Be7 Qe7 13.Bg6 hg6 14.Na3 Na5 15.Nd2 b6 16.Qf3 g5; 11...Qa5 12.Qd2 Rc8 13.0-0 Be7 14.Rc1 Qb6 15.Be7 Nge7 16.Na3 a6; 11...Nf4 12.Bf8 Rf8 13.0-0 f6 14.Bh7 fe5 15.de5 Qc7 16.g3 Rh8) 12.Na3 Nf4 13.0-0 0-0 14.Qd2 Nd3 15.Qd3 f6 16.Rfe1 a5; D) 11.Ng5 Rc8 (11...Qc7 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 Rfc8 16.Bg6 hg6; 11...Nh4 12.Qh5 Ng2 13.Kf1 g6 14.Qf3 Qe7 15.Qg2 Bg7 16.Ke1 Nb4; 11...Qc8 12.Qf3 Nge5 13.de5 Ne5 14.Qe2 Nd3 15.Qd3 Qc4 16.Qg3 h6) 12.0-0 Qb6 13.Qf3 Nd8 14.Ba3 Ba3 15.Ra3 0-0 16.Qh5 h6.

10.Nh3 a6 A) 11.0-0 b5 (11...Ng6 12.Ng5 Qb6 13.Qh5 Nd8 14.Ra2 Bb5 15.Rb2 Qc6 16.Rb5 ab5; 11...Ra7 12.Ba3 b5 13.Bc5 Ra8 14.Nd2 Ng6 15.Bf8 Nf8 16.Nb3 Qc8; 11...Qc7 12.Ba3 Ng6 13.Bf8 Nf8 14.Ng5 Ng6 15.Qf3 0-0 16.Nd2 h6) 12.Qf3 h6 13.Nd2 b4 14.Bb2 a5 15.Rfc1 a4 16.cb4 Nb4; B) 11.Qf3 Qc8 (11...h6 12.0-0 b5 13.Nd2 b4 14.Bb2 a5 15.Rfc1 a4 16.cb4 Nb4; 11...Bc8 12.0-0 h6 13.Nd2 b6 14.Ba3 a5 15.Bb5 Bd7 16.Rfb1 Nc8; 11...Ng8 12.Ng5 f5 13.ef6 Qf6 14.Qe2 g6 15.Nf3 Bd6 16.Bg5 Qf7) 12.0-0 h6 13.Ba3 Na7 14.Nf4 Bb5 15.Bc5 Nf5 16.Bf5 Bc5; C) 11.Nd2 Ng6 (11...b5 12.0-0 Ng6 13.Qh5 b4 14.Ng5 bc3 15.Ndf3 Nce7 16.Ra6 Ra6; 11...Na7 12.Qh5 Qc7 13.Nb1 Bb5 14.Ng5 g6 15.Qf3 Nec6 16.Qf6 Rg8; 11...Qc7 12.Ba3 Na7 13.c4 dc4 14.Nc4 Nb5 15.Bc5 Nd5 16.Bf8 Kf8) 12.Qh5 Qc7 13.Rb1 Nce7 14.Rb3 Ba4 15.Ra3 Qc6 16.Bb2 Bb5; D) 11.Ng5 Nf5 12.0-0 Be7 13.Nh3 Na7 14.Bf5 ef5 15.Ba3 Bh4 16.Nf4 Be6.

10.Nh3 Qc7 A) 11.Ba3 Rc8 (11...a6 12.Bd6 Qd8 13.0-0 Ng6 14.Bf8 Nf8 15.Qh5 Qe7 16.Nd2 Ra7; 11...Ng6 12.Bf8 Nf8 13.Qf3 Ng6 14.Bg6 hg6 15.Nd2 Rh5 16.0-0 b6; 11...Qb6 12.0-0 Ng6 13.Bf8 Nf8 14.Ng5 Qd8 15.Qh5 Qe7 16.Nd2 a5) 12.Bd6 Qd8 13.0-0 Ng6 14.Bf8 Nf8 15.Qg4 Ng6 16.Ng5 Nce5; B) 11.Ng5 Nf5 (11...g6 12.0-0 Nf5 13.Nf3 Be7 14.Ba3 0-0 15.Bf5 ef5 16.Qb3 Be6; 11...Ng6 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 a5 16.Rfb1 Rfc8) 12.g4 Nh4 13.Nh7 Be7 14.Rg1 Ne5 15.de5 Qe5 16.Kf1 Qh2; C) 11.Nd2 b5 (11...Ng6 12.0-0 Be7 13.Ba3 b5 14.Qh5 b4 15.Bb4 Nb4 16.cb4 Qc3; 11...Ne5 12.de5 Qc3 13.Ra3 Qe5 14.Be2 Nf5 15.Nf3 Qe4 16.Nhg5 Qb4; 11...Na5 12.Qc2 f6 13.ef6 gf6 14.Nf4 Qf4 15.Ra5 Qc7 16.Nb3 Rg8) 12.Ba3 b4 13.Bb4 Nb4 14.cb4 Qc3 15.Ba6 Qb4 16.Ng1 Qd4; D) 11.0-0 Rc8 (11...Na5 12.Ng5 Nf5 13.Bf4 h6 14.Nf7 Kf7 15.Bf5 Bb5 16.Re1 Nc4; 11...Nf5 12.Nd2 Nce7 13.Qb3 a5 14.Ba3 Rc8 15.Rfc1 f6 16.Nf3 a4; 11...Ng6 12.Ng5 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 a5 16.Rfb1 Rfc8) 12.Qf3 h6 13.Ba3 Qa5 14.Rd1 b5 15.Bb2 Qb6 16.Nd2 b4.

10.Nh3 Rc8 A) 11.Nd2 b6 (11...Ng6 12.0-0 Be7 13.Ba3 Ba3 14.Ra3 Rc7 15.Qe2 Qh4 16.Rfa1 0-0; 11...Na5 12.Nb3 Nb3 13.Qb3 a5 14.Bd2 Qc7 15.Ng5 a4 16.Qd1 Nf5; 11...Qb6 12.Ba3 Ng6 13.Bf8 Nf8 14.Ra3 Ng6 15.0-0 0-0 16.Qa1 Qd8) 12.0-0 Ng6 13.Ba3 Ba3 14.Ra3 Qe7 15.Ra6 Qh4 16.Nf3 Qg4; B) 11.Nf4 a6 (11...Qc7 12.Ba3 Ng6 13.Ng6 hg6 14.Bf8 Kf8 15.Nd2 Kg8 16.Qf3 Na5; 11...Qb6 12.0-0 Ng6 13.Ng6 hg6 14.Ba3 Ba3 15.Ra3 Qd8 16.Nd2 Qg5; 11...Ng6 12.Ng6 hg6 13.Nd2 Na5 14.Nb1 Qb6 15.Ba3 Ba3 16.Ra3 Bb5) 12.0-0 Ng6 13.Qh5 Qh4 14.Qh4 Nh4 15.Nh5 Na7 16.Bg5 Nf5; C) 11.0-0 Ng6 (11...Qc7 12.Qf3 h6 13.Ba3 Qa5 14.Nf4 b5 15.Ne2 b4 16.cb4 Nb4; 11...a6 12.Ng5 g6 13.Qf3 Nf5 14.Bf5 ef5 15.Qd5 Be6 16.Qf3 Bd5; 11...Qb6 12.Qf3 h6 13.Ba3 Ra8 14.Nd2 Qd8 15.Rfb1 Qc8 16.Nb3 b6) 12.Bg5 Qb6 13.Nd2 Na5 14.Qc2 Bb4 15.Nb1 Nf8 16.Rc1 h6; D) 11.Ng5 Nf5 12.g4 Nh4 13.Nh7 Be7 14.g5 g6 15.Nf6 Bf6 16.gf6 Qc7.

10.Nh3 Ng6 A) 11.Bg5 Be7 (11...Qc7 12.0-0 a6 13.Nd2 Ra7 14.Qg4 b5 15.Qh5 Nce7 16.Rfc1 h6; 11...Qb6 12.0-0 Rc8 13.Nd2 Na5 14.Qc2 Bb4 15.Nb1 Nf8 16.Rc1 h6; 11...Qc8 12.0-0 a5 13.Nd2 a4 14.Ra2 Nce7 15.Qc2 Nf5 16.Rb1 h6) 12.Be7 Qe7 13.Nd2 Qh4 14.Nf3 Qg4 15.0-0 0-0 16.Qb3 b6; B) 11.0-0 Qc7 (11...Be7 12.Ba3 b6 13.Be7 Qe7 14.Nd2 Qh4 15.Nf3 Qg4 16.Ba6 Na5; 11...b6 12.Ng5 Na5 13.Qf3 Qe7 14.Qh5 Nb3 15.Ba3 Qd8 16.Ra2 Ba3; 11...a5 12.Bg5 Qc8 13.Nd2 a4 14.Qc2 b5 15.Rfc1 Nce7 16.Rcb1 Nf5) 12.Ba3 Be7 13.Be7 Nce7 14.Qh5 0-0 15.Rc1 b5 16.Ra6 f6; C) 11.Nd2 a6 (11...Qc7 12.0-0 Be7 13.Ba3 0-0 14.Qh5 a5 15.Be7 Nce7 16.c4 b5; 11...Be7 12.Ba3 Ba3 13.Ra3 Qc7 14.0-0 a5 15.Qh5 b5 16.Rb1 Rb8; 11...a5 12.0-0 Qc7 13.Ba3 Ba3 14.Ra3 0-0 15.Qh5 a4 16.Nf3 Nce7) 12.Qh5 Qc7 13.Rb1 Nce7 14.Rb3 Ba4 15.Ra3 Qc6 16.Bb2 Bb5; D) 11.Ng5 Be7 (11...Qc7 12.0-0 Be7 13.Qh5 Bg5 14.Bg5 0-0 15.Nd2 Rfc8 16.Be3 a5; 11...Rc8 12.0-0 Qb6 13.Qf3 Nd8 14.Ba3 Ba3 15.Ra3 0-0 16.Qg4 Nc6; 11...Nh4 12.Qh5 Ng2 13.Kf1 g6 14.Qf3 Qe7 15.Qg2 Bg7 16.Ke1 Nb4) 12.Qh5 Bg5 13.Bg5 Qc7 14.0-0 0-0 15.Nd2 Rfc8 16.Be3 a6.

10.Ra2 g6

11.Nd2 b5 (11...Bh6 12.Ndf3 Bg7 13.Ne2 0-0 14.0-0 a6 15.Bg5 Qc7 16.Qd2 Nf5; 11...Nf5 12.Ngf3 f6 13.ef6 Qf6 14.Qb3 b6 15.Ba6 Nd6 16.Ba3 Kf7; 11...Bg7 12.Ngf3 0-0 13.0-0 f6 14.ef6 Bf6 15.Re1 Qc7 16.Qe2 Nf5) 12.Ngf3 b4 13.c4 a5 14.0-0 Bg7 15.Nb3 0-0 16.Nc5 f6.

11.Ne2 Bg7 (11...Nf5 12.0-0 Rc8 13.Nd2 Bg7 14.Qb3 Rc7 15.Ba3 b6 16.Bf5 Na5; 11...Qc7 12.0-0 Nf5 13.Na3 Be7 14.Ng3 Qb6 15.Nf5 gf5 16.Be3 Rg8; 11...h6 12.0-0 Nf5 13.Nd2 Qc7 14.Ba3 Ba3 15.Ra3 f6 16.ef6 0-0) 12.Qb3 b6 13.Bg5 h6 14.Bh4 0-0 15.Nd2 Qc7 16.0-0 Nf5.

11.Nf3 Bg7 (11...Qc7 12.Ba3 Bh6 13.0-0 0-0 14.Bd6 Qc8 15.Nbd2 Bf4 16.c4 f6) 12.Qb3 b6 13.Bg5 h6 14.Bh4 0-0 15.0-0 a5 16.Ra4 Qc7.

11.Bg5 Bg7 (11...Qc7 12.Bf6 Rg8 13.Nf3 Nf5 14.Nbd2 b6 15.0-0 h6 16.Re1 g5; 11...h6 12.Bf6 Rh7 13.Nf3 Qc7 14.0-0 a6 15.Nbd2 Ng8 16.Bh4 Rg7; 11...Rg8 12.Nf3 Bg7 13.Qb3 b6 14.0-0 h6 15.Be3 Nf5 16.Nbd2 f6) 12.Nf3 h6 13.Be3 Nf5 14.0-0 f6 15.Re1 fe5 16.Ne5 Ne5.

11.Nh3 Bg7 (11...h6 12.0-0 Bg7 13.Nf4 Qc7 14.Na3 Na5 15.Qc2 a6 16.Nb1 Nc4; 11...Nf5 12.Bg5 Be7 13.Be7 Qe7 14.Qb3 b6 15.Nd2 0-0 16.Bf5 gf5; 11...Rc8 12.Bg5 Bg7 13.Qf3 0-0 14.0-0 Ra8 15.Qf4 Qc7 16.Bh6 Nf5) 12.0-0 (12.Qf3 0-0 13.Bg5 h6 14.Bf6 Bf6 15.Qf6 Nf5 16.Qd8 Rfd8) 12...0-0 13.g4 (13.Re1 a5 14.Bg5 h6 15.Bf4 b5 16.Qd2 Kh7) 13...f5 (13...f6 14.ef6 Rf6 15.Bf4 Rf7 16.Re1 a6) 14.g5 (14.Ba3 fg4 15.Qg4 Re8 16.Nd2 Nf5) 14...a6 (14...b5 15.Be3 a5 16.Nf4 b4) 15.Na3 (15.Qf3 b5 16.Ba3 Qa5) 15...b5 (15...Qa5 16.Bd2 Qc7) 16.Nc2 (16.Be3 Qc7) 16...Qc7 (16...Na5) 17.Ba3 Rfe8 18.Bd6 Qb7 19.Nf4 Kf7 20.Be2 Rh8 21.Nd3 Rhd8 22.Qd2 Nc8 23.Ba3 Bf8 24.Nc5 Bc5 25.Bc5 Nb6 26.Rb1 Ne7 27.Qf4 Rh8 28.Ne3 Ng8 29.Ng4 Bc6 30.h4 Nd7 31.Bb4 Re8 32.h5 Qc8 (32...gh5 33.Nf6 (33.Nf6)) 33.Ne3 Ne7 34.h6 Bb7 35.Bf3 Nb6 36.Nd1 Nc4 37.Nb2 Nb2 38.Rbb2 Qc6 39.Rc2 Nc8 40.c4 bc4 41.Ra5 Na7 42.Bc5 Qc7 43.Qd2 (43.Raa2 Nb5) 43...Nb5 (43...Nc6 44.Ra1 Ne5 45.de5 Qc5 46.Rb1) 44.Rca2 Ra8 45.Bd1 Rhc8 46.f4 Qc6 47.Qb4 Qd7 48.Ra1 Qc6 49.R5a2 (49.R1a2 Kg8) 49...Qd7 50.Qa5 (50.Ra5 Kg8) 50...Qc6 51.Ba4 (51.Qb4 Kg8) 51...Qd7 52.Rb2 (52.Bd1 Kg8) 52...c3 (52...Bc6) 53.Qc3 Nc3 54.Bd7 Rc7 55.Ba4 Na4 56.Ra4 Bc6 57.Ra1 Rb7 58.Bb6 (58.Rb7 Bb7 59.Rb1) 58...Ke8 59.Kf2 ½–½. Zala,Gyula (2000) – Johansen,Arild (2075), FSFMA Oct Budapest HUN, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6 8.e5 Bd7)

10.Ra2 Ng6

11.Ne2 Be7 (11...f6 12.Nf4 Nf4 13.Bf4 Qc7 14.Qh5 Kd8 15.Bg3 Be8 16.Qg4 Qf7; 11...Qc7 12.Nd2 f6 13.Qc2 Nge7 14.f4 a5 15.Ba3 fe5 16.fe5 Nf5; 11...Rc8 12.Nd2 f6 13.ef6 gf6 14.Qb3 Qc7 15.Nf3 Bd6 16.0-0 Na5) 12.Ba3 0-0 13.Qb3 b6 14.Bg6 fg6 15.Be7 Qe7 16.Nd2 Qh4.

11.Nf3 Be7 (11...Rc8 12.0-0 Be7 13.Be3 0-0 14.Nbd2 Qc7 15.Qc2 Ra8 16.Rb1 a6; 11...Qc7 12.0-0 Be7 13.Bg6 hg6 14.Ba3 a6 15.Nbd2 g5 16.h3 g4; 11...a6 12.0-0 Be7 13.Ba3 Nf4 14.Bc2 f6 15.Be7 Qe7 16.g3 Ng6) 12.0-0 0-0 13.Qb3 Na5 14.Qc2 Nc4 15.Na3 Nb6 16.Re1 Qc7.

11.g3 Be7 (11...Qc7 12.h4-/+) 12.Nf3 (12.h4 Nf8=+) 12...0-0 13.h4 f5 (13...h6 14.Nbd2-/+) 14.Ng5 (14.ef6!? gf6 15.h5=+) 14...h6-/+ 15.Nh3 Be8 (15...b5 16.h5 Nh8 17.g4=+) 16.h5=+ Nh8 17.Nf4 Qd7 (17...Bf7 18.g4 Qd7 19.Ba3=+) 18.g4 Bg5 (18...Bf7 19.Ba3=) 19.gf5= ef5 20.Qf3 Bf7 21.Re2 Be6 22.Qg2 (better 22.Ne6 Qe6 23.Bg5 hg5 24.Kd1=) 22...Ne7?? (better 22...Bf4 23.Bf4 Kh7=+) 23.Ne6+- Qe6 24.f4 (24.Bg5?! hg5 25.Qg5 Nf7+-) 24...Nf7 (better 24...Bf4 25.Bf4 Rf7+-) 25.fg5 Ng5 (25...hg5 26.Bg5 Ng5 27.Qg5+-) 26.Bg5 hg5 27.Qg5 f4 (27...Qh6 28.Rg2 (28.Qe7?! Qc1 29.Kf2 Qh1+-) 28...Qg5 29.Rg5+-) 28.h6 g6 29.Rf2 f3 30.Rg1 Kh7 31.Rg3 1–0. Zala,Gyula (2020) – Gruz,Janos (1950), First Saturday Szeptember FM, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.Bb5 e6 8.e5 Bd7 9.Bd3 Nge7)

11.Nh3 Be7 (11...Qc7 12.0-0 Be7 13.Bg5 0-0 14.Qh5 Rfc8 15.Nd2 a5 16.Be7 Nce7; 11...Rc8 12.0-0 Be7 13.Ba3 0-0 14.Qh5 a5 15.Nf4 b5 16.Ng6 fg6; 11...a5 12.Bg5 Qc7 13.0-0 h6 14.Bd2 Nce7 15.Na3 Nf5 16.Nb5 Qc6) 12.Ba3 0-0 13.Be7 Nce7 14.Qh5 a5 15.0-0 Qc7 16.Ra3 b5.

11.Qh5 Qh4 (11...Rc8 12.Ne2 Qh4 13.Qh4 Nh4 14.0-0 Be7 15.Nd2 0-0 16.Ba3 Ba3; 11...Qc7 12.Ne2 Be7 13.Ba3 0-0 14.Be7 Nce7 15.Nd2 a6 16.0-0 b5; 11...a5 12.Nf3 Qc7 13.0-0 Nce7 14.Bg5 h6 15.Bd2 Bc6 16.Na3 Qd7) 12.Qf3 a5 13.Ne2 a4 14.Na3 Qd8 15.0-0 Be7 16.Bd2 0-0.

7.ed5 Qd5

8.Na3 Qa5 9.Bb2 e6 10.Nf3 Nf6 11.Bd3 Be7 12.0-0 Qb6 13.Bc1 0-0 14.Qe2 Rd8 15.Bg5 h6 16.Bf6 Bf6 17.Qe4 Qc7 18.Qh7 Kf8 19.Rfe1 a6 20.Nc4 Ne7 21.Nce5 b6 (better 21...Nd5!? 22.c4 Nf4=) 22.Qh8 Ng8 23.Bg6 (23.Bh7 Ke7 24.Be4 Bb7 25.Bb7 Qb7=) 23...fg6 24.Ng6 Kf7 25.Nfe5 Be5 26.Ne5 Kf6 27.Qh7 Ra7 (27...Qc3 28.Qg6 Ke7 29.Rec1 Qc1 30.Rc1 Kd6 31.Nc4 Kc7 32.Qf7 Rd7 33.Na5 Kb8 34.Qf4 e5 35.Qe5 Ka7 36.Rc7 Rc7 37.Qc7 Bb7 38.Qb7) 28.Rad1 Ne7 29.Rd3 Nd5?? Attacking the backward pawn on c3 (better 29...Nf5=) 30.Rf3+- Ke7 31.Qg7 Kd6 32.Nf7 Qf7 33.Rf7 Rf7 34.Qf7 b5 35.f4 Kc6 36.Re5 Rd6 37.Qa7 Bb7 38.Rh5 Kc7 (38...e5 39.de5 Rg6 40.f5+-) 39.Rh6 Nb6 40.Rh7 (better 40.f5 Rd7+-) 40...Rd7 41.Rd7 Nd7 42.h4 Nb6 43.h5 Nc8 44.Qc5 Kd7 45.h6 Be4 46.g4 Bg6 (46...Bh7 47.Qa3 Nd6 48.Qa6+-) 47.f5 ef5 48.gf5 Bh7 49.f6 Ke6 50.Qe5 Kf7 51.Qc7 Kf6 52.Qh7 Nd6 53.Qg7 Ke6 54.h7 (54.h7 Nf5 55.Qe5 Kd7 56.h8Q Ne7 57.Qhb8 b4 58.Qed6) 1–0. juliangon (2590) – David Lonsdale (2430), ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Na3 Qa5 9.Bb2 Nf6 10.Nb5 Qb6 11.Qb3 Rb8 (11...Nd7 12.c4 a6 13.c5+=) 12.Nf3 Bg4 13.c4 (13.Nd2 Na5 14.Qa2 a6=) 13...e6 14.c5 Qd8 15.Na7 Be7 16.Ne5 0-0 17.Qc4 Na7 18.Ra7 (worse 18.Ng4 Nc6 (18...Ng4?! 19.Ra7 b5 20.Qe2=) 19.Ne3 b6-/+) 18...Bf5 19.Be2 Nd5 20.0-0 Nf4 21.Re1 f6 22.Nf3 Qc7 (22...b6 23.Bc1 Nd5 24.Nh4+-) 23.Bf1 b5 (23...Ra8 24.Ra8 Ra8 25.Nh4+-) 24.Qa2 (24.Rc7 bc4 25.Bc1 Nd5+-) 24...Rb7 25.Ra6 (25.Rb7 Qb7 26.Qb3 Bg4+-) 25...Bg4+= 26.Bc1 Nd5 27.Bd2 Qd8 (27...Qc8!?+=) 28.h3+- (28.Ree6?! Be6 29.Re6 Kh8+-) 28...Bh5 (28...Bf3 29.Rae6 Rf7 30.gf3 Kf8+-) 29.Ba5+- (29.Ree6?! Bf7 30.Bd3 Nc7+-) 29...Nc7 30.Bb5! Rb5 (30...Rb5 31.Bc7 Combination; 30...Nb5 31.Rb6 Double attack (31.Bd8 Pinning; 31.Bd8 Deflection; 31.Rb6 Decoy)) 31.Bc7 Qc7 32.Qe6 Bf7 33.Qe7 Rb7 34.Qc7 Rc7 35.Rd6 1–0. juliangon (2670) – marekt (2520), ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Na3 Qa5 9.Nc2 Qc3-+ 10.Bd2 Qb3 11.Rb1 Qd5 12.Nf3 Nf6 13.Ne3 Qe4 14.Bb5 a6 15.Bc6 Qc6 16.Rc1 Qd6 17.0-0 Be6 18.Re1 h6 19.Qc2 Bd5 20.Nd5 Nd5 21.Qb3 e6 22.Qb7= Rb8 23.Rc8 Rc8 24.Qc8 Qd8 25.Qa6 Bd6 26.Ba5 Qb8 27.Qc6 Kf8 28.Ne5 Kg8 29.h3 Be5 30.de5 Kh7 31.Qc2 g6 32.Bd2 Rc8 33.Qe4 Qb2 34.Be3 Qb4 35.Qb4 Nb4 36.f4 Rc2 37.g3 Nd5 38.Kf1 Kg7 39.Re2 Re2 ½–½. Ott,Peter (2280) – Molzahn,Norbert (2305), BdF MS–026 remoteschach.de, 2006.

8.Na3 Qa5 9.Bd2 Nf6 10.Nf3 Bg4 11.Be2 e6 12.Qb1 Qc7 13.Bf4 Qc8 14.0-0 Be7 15.Qb3 0-0 16.Nc4 Rd8 17.Ne3 Bh5 18.Rfe1 Bg6 19.Nh4 Be4 20.Nf3 a6 21.Nd2 b5 22.Ne4 Ne4 23.Qc2 Nc3 24.Qc3 Bb4 25.Qb2 Be1 26.d5 Bf2!-+ 27.Kf2 ed5 28.Bf3 Ne7 29.Be5 f6 30.Bf6 gf6 31.Qf6 Ra7 32.Ng4 h6! 33.Nh6 Kh7 34.Nf7 Rf8 35.Qh4 Kg8 36.Nh6= ½–½. Warzecha,Helmut (2265) – Scheidel,Marius (2320), RSS7E high–26, 2006.

8.Na3 a6 9.Nb5 Qd8 10.Bf4 e5 11.de5 Be6 12.Qd8 Rd8 13.Nc7 Ke7 14.Ne6 Ke6 15.Bc4 Kf5 16.Bg3 Ne5 17.Be5 Ke5 18.Bf7 ½–½. Burchard,Ingar – Lunde,Sigmund (1860), Xtracon Chess Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Na3 Bd7 9.Nf3 Rc8 10.Bc4 Qe4 11.Be3 e6 12.0-0 Ba3 13.Ra3 Nge7 14.Bd3 Qg4 15.Qb1 b6 16.c4 Nf5 17.d5+= Nfd4 18.Bd4+- Nd4 19.Ne5 Ne2?? 20.Be2 Qe2 21.Nd7 Rc7 22.de6 fe6 23.Qb5 Ke7 24.Re3 Qc4 25.Qg5 (25.Qg5 Kd7 26.Qg7 Kc8 27.Qh8 Kb7 28.Qf6+-) 1–0. Kochetkova,Julia (2320) – Rybenko,Kseniya (2235), 8. ch–Euro women, 2007.

8.Na3 e6 9.Nb5= Bd6 10.Qg4+/- Nce7 11.Qg7 Ng6 12.Bd3 Be5? 13.Nc7!+- Bc7 14.Bg6 fg6 15.Qh8 e5 16.Qh7 Bf5? 17.Qc7 Qg2 18.Ra5 Qe4 19.Ne2 Qh1 20.Kd2 Qc6 21.Re5 Be6 22.Qc6 (22.Qc6 bc6 23.Re6 Kd7 24.Rg6+-) 1–0. Zajarni,A (2405) – Morchat,Miroslaw (2225), Polanica Zdroj op (4), 1997.

8.Na3 Bf5 9.Nb5 Rc8 10.Na7 Na7 11.Ra7 e5 12.Nf3 ed4 13.Nd4 Bd7 14.Nb5 (14.Qe2 Kd8 15.Be3 Rc3+=) 14...Qd1 15.Kd1 Bc6 16.Bd3 (16.Be3!?+=) 16...Bc5 (worse 16...Bg2 17.Re1 Kd8 18.Bf5+-) 17.Re1 Ne7 18.Ba3 Ba3 19.Ra3 Rd8 20.Nd4 Kd7 21.Ra7 Rhe8 22.Kc2 (22.Bc4 Nd5 23.Re8 Ke8+=) 22...Kc7 23.Rb1 Rb8 (23...Bd5 A) worse 24.Bh7 g6-/+ (24...Bg2 25.f3+-); B) 24.f3+=) 24.f3 (24.Bh7 g6 (24...Bg2?! 25.Rg1 Rh8 26.Rg2 Rh7 27.f3=) 25.f3 Rh8-+) 24...Nd5 (24...h6!?+=) 25.Nc6+- Kc6 26.Bb5 Kb6 27.Rb7 (27.Rb7 Kb7 28.Be8 Kc7 29.Rb8 Kb8 30.g3+-) 1–0. Carlsen,Magnus (2835) – Inarkiev,E (2685), World Blitz, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Na3 Bf5 9.Nc4 Rd8 10.Ne3 Qd7 11.Nf3 (better 11.d5!? Nb8 12.Qa4 Qa4 13.Ra4+-) 11...a6 12.Ba3 (12.Nf5 Qf5 13.Bd3 Qc8=) 12...e6 13.Bf8 Kf8 14.Be2 Nf6 15.0-0 Nd5 16.Qc1 (worse 16.Nf5 Nc3 (worse 16...ef5 17.Qd2+=) 17.Qc2 Ne2 18.Qe2 ef5-/+) 16...Nf4 17.Qa3 Qe7 18.Qb2 Be4 19.Rfe1 (19.Rfd1 Kg8=+) 19...Bd3 (better 19...Bf3!? 20.Bf3 Nd3-/+) 20.Bf1= Bf1 21.Rf1 (21.Kf1? Nd3 22.Qb6 Ne1 23.Ne1 Rc8-+) 21...f6 22.Rfb1 Rd7 23.g3 Ng6 24.Re1 Qd8 25.h4 h5 (25...Kf7 26.h5 Nge7 27.h6=+) 26.c4 Kf7 27.d5 (27.c5 Nge7=) 27...ed5 28.cd5 Nce5 29.Ne5 Ne5 30.Red1 g6 31.Ra4 Re8 32.Kg2 Kg7 33.Rf4 Qe7 (33...b5 34.Rfd4-/+) 34.Qb6 Rd6 35.Qb4 Rc8 (35...b5 36.Re4 Qd7 37.Rd2-/+) 36.Re4=+ Qd7 37.Qb2 (37.f4 Nf7=) 37...b5-/+ 38.Qe2 (38.Re5 fe5 39.f4 Qe7 40.fe5 Rdd8-/+) 38...a5 39.f4 Nf7 40.f5 Re8 (better 40...Ne5!?=+) 41.Re8+= Qe8 42.fg6 Qe4 Attacking the isolated pawn on d5 43.Kh2 (better 43.Kf2 Kg6 44.Qb5=) 43...Kg6-+ 44.Rf1 Ne5 (better 44...Rd5 45.Rf4 Qe6-+) 45.Rf4 ½–½. Linusson,L (1960) – Cramling Bellon,Anna (2150), Tylosand SWE (2), 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Na3 Bf5 9.Nf3 Rc8 10.Be2 e6 11.Nc4 Qd8 12.Qb3 Qd7 13.g3 Bd6 14.Nd6 Qd6 15.Qb7 Nge7 16.0-0 Rb8 17.Qa6 Rb6 18.Qa4 0-0 19.Nd2 Qd7 20.Ba3 Rb7 21.Bc5 Rb2= 22.Bf3 Rd2=+ 23.Be7 Nd4 24.cd4 Qe7 25.d5 Bh3 26.Rfd1 Qf6 27.Qb3 ed5 28.Rd2 Qa1 29.Rd1 Qf6 30.Qd5 a5 31.Be4 Qe6 32.Qd3 g6 33.Bd5=+ Qe5 34.Qb5 Qc3 35.Rb1 Rc8 36.Rd1 Kg7 37.Qb1 a4 38.Qa2 Rd8-+ 39.Rb1 Qd3?? 40.Qa1-/+ f6 41.Bc6 a3 42.Bg2 Bg2-+ 43.Kg2 Qe4 44.Kg1 Rd2 45.Rf1 a2 46.Qc3 Qd4 47.Qc7 Kh6 48.Qc1 g5 49.Qa3 Rf2!! 50.Qf8 Kh5 51.Qe8 Kg4 52.h3 Kg3 53.Qb8 Rf4 54.Kh1 Qe4 (54...Qe4 55.Rf3 Qf3 56.Kg1 Qd1) 0–1. Wagner,Steven (2125) – Liu,Elliot (2255), WYb18 Kemer TUR (8), 2007.

8.Na3 Bf5 9.Nf3 e6 10.Nb5 Qd8 11.Bf4+= Rc8 12.Na7 Na7 13.Ra7 Be7 14.Qa4 Kf8+= 15.Ne5 g5 16.Bd2 Kg7 17.Be2 Bf6 18.Nd7 Be4+/- 19.Nf6 Qf6 20.0-0 Qg6 21.c4 Nf6 22.f3 Bd3= 23.Qd1 Rc4 24.Rb7 Rd4 25.Bc3 Rd5 26.Bd3 Qd3 27.Qa1 e5 28.Re7 Re8 29.Re8 Qe3 30.Kh1 Ne8 31.Re1 Qc5 32.Be5 f6 33.Bb2 Qb5 34.Re7 Kg6 35.h3 Rd2 36.Qb1 Qf5= 37.Qf5 Kf5 38.Bc3 Rd3 39.Be1 Nd6 40.Rh7 Rd1 41.Re7 Nc4 42.Kh2 Rd3 43.Kg3 Ne5 44.Kf2 Ra3 45.Ke2 Ra2 46.Bd2 Kg6 47.Rc7 Kf5 48.Re7 Kg6 49.Rc7 Kf5 50.Rc5 Ke6 51.Ra5?? Rd2!-+ 52.Kd2 Nc4 53.Kc3 Na5 54.Kd4 Nc6 55.Ke3 Ke5 56.h4 gh4 57.g4 Ne7 58.f4 Ke6 59.Kf3 f5 60.gf5 Kf5 61.Kg2 Kf4 62.Kh3 Nf5 63.Kh2 Kg4 64.Kg2 h3 65.Kh2 Nd6 66.Kh1 Kg3 67.Kg1 Ne4 (67...Ne4 68.Kf1 h2 69.Ke2 h1Q 70.Ke3 Qf3 71.Kd4 Kf4 72.Kc4 Qc3 73.Kd5 Qc8 74.Kd4 Qc5 75.Kd3 Qc3 76.Ke2 Qe3 77.Kd1 Qd2) 0–1. Lamotho,Jean – Caiafas,Theophilus, Dubai ol (Men) (7), 1986.

8.Be2 e5 9.Bf3 e4 10.Qe2 Bf5 (10...f5 11.Qe3-/+) 11.g3? (better is 11.Nd2!? Nf6 12.Be4 Ne4 13.f3+=) 11...Be7 12.Bg2 Nf6 13.Nh3 Qd7 (13...Bg4!? 14.Qb2 Na5-+) 14.Ng5-/+ Pawn e4, live or die! 14...0-0 15.Ne4 Be4 16.Be4 Nd4! (worse is 16...Ne4 17.Qe4 Rfe8 18.0-0+=) 17.Bh7? (17.cd4 Qd4 Double attack) 17...Nh7 18.cd4 Bb4 19.Kf1 Qc6 (19...Qd4?! 20.Qb2 Qe4 21.Kg1-+) 20.f3 Qc1 21.Kg2 Qc6 22.h4 Rfe8 23.Qb2 Qc4 24.Rc1 (24.Ra2-+) 24...Re2 25.Kh1 (25.Kg1 Qe6 26.Qe2 Qe2-+) 25...Qd3 26.Ra3 Ba3 27.Qa3 Qf5 28.g4 Qf4 (28...Qf4 29.Rc8 Rc8 30.Qf8 Kf8 31.d5 Rc1) 0–1. Larsanov,Turpal – Shakhmurzova,Fatima (1965), Sochi RUS, Doroshkevich Mem, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Be2 Qg2 9.Bf3 Qg6 10.Ne2 -/+.

8.Nf3 e5 9.Nbd2 e4 (better is 9...ed4!? 10.Bc4 Qd6 11.cd4 Nd4 12.Nd4 Qd4 13.Qa4 Kd8 14.Qa5 b6 15.Qd5 Qd5 16.Bd5 Rb8 17.Ra7 Nf6 18.Bf7 b5+=) 10.Bc4+= Qh5 11.Ne4 Be7 12.Qe2 (12.Qe2 Kf8 13.Ng3+/-) 1–0. Meijer,Wilmar M (1935) – Rosello,Joe (1800), CL3–2000..10, 2000. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 e5 9.Bd3 ed4 10.0-0 Nf6 11.Re1 Be6 12.Nd4 Bc5 (12...Nd4 13.cd4 Kd8 14.Ra4+=) 13.Ne6= fe6 14.Qe2 0-0 15.Bc4 (worse is 15.Qe6 Qe6 16.Re6 Ng4-/+) 15...Qd6 16.Qe6 Qe6 17.Be6 Kh8 18.Ba3 Ba3 19.Na3 a6 20.Nc4 Rad8 21.Reb1 (21.f4 Rfe8=) 21...Rfe8+= 22.Bf5 Re7 23.g3 g6 24.Bh3 Ne4 25.Ra3 Rd3 26.Rc1 Nc5 27.Bf1 Rd8 28.Bg2 Ne5 29.Ne3 Rd2 30.Nd5 Ned3 31.Rf1 Ree2-/+ 32.Ra5 b5 33.Nb4+= Nf2 34.Na6 Ncd3 35.Rb5 Kg7 36.Rb7 Kh6 37.h4 ½–½. Thorfinnsson,Bj (2410) – Paci,A (2150), 27th ECC Rogaska Slatina SLO, 2011. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 e5 9.Be3 ed4 10.cd4 Bb4 11.Nbd2 Nf6 12.Be2 Bd2 (12...0-0!?+= should not be overlooked) 13.Qd2= White has the pair of bishops 13...0-0 14.0-0 White castles and improves king safety 14...Ne4 Black threatens to win material: Ne4xd2 15.Qb2 a5 16.Rfc1 Nb4 A classical outpost 17.Bc4 White threatens to win material: Bc4xd5 (17.Ne5 b6=) 17...Qf5 18.Ne5 Be6 19.Be6 (19.Be2 h5=) 19...Qe6 20.Rc7 (20.Qb1 f5+=) 20...b5 21.Rd1? (21.Qb1 Nd5 22.Rc6 Nd6-/+) 21...Nd5 (21...Rac8!? 22.Rdc1 Rc7 23.Rc7-+) 22.Rc6 Nd6 23.Qe2? (better is 23.Bd2-/+) 23...Rfc8 24.Rdc1?! not the greatest defence (24.Rc8 Rc8 25.Re1 a4-+) 24...b4 (24...a4 makes it even easier for Black 25.Rc8 Rc8 26.Re1-+) 25.R1c5 (25.Qf3 a4 26.Rd6 Rc1 27.Bc1 Qd6 28.Qf7 Kh8-+) 25...Nc3 (better is 25...Rc6!? and Black can already relax 26.Nc6 Ne3 27.fe3-+) 26.Qf3 (26.Qc2-/+) 26...Nce4-+ 27.Rc8 Rc8 28.Ra5 b3 29.Nd3?? White crumbles in face of a dire situation (better is 29.Qe2 f6 30.Nd3-+) 29...Qc4 30.Qe2 (30.Bf4 doesn't change the outcome of the game 30...Qd4 31.h4 b2 32.Nb2 Qb2-+) 30...b2! Deflection: d3 31.Nb2 (31.Nb2 Qe2 Deflection Pinning; 31.Qb2 Qc3 Decoy Double attack (31...Qd3 Deflection)) 31...Qe2 (31...Qe2 32.h4 Qe1 33.Kh2 Qa5-+) 0–1. Rost van Tonningen,Otto (2045) – Beckel,Friedrich (1955), EU–chT Seniors, 2001. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 e6 9.Bd3 Nf6 10.0-0 Be7 11.Na3 0-0 12.Bf4 Bd7 13.Nc4 Qh5 14.Be2 Qf5 15.Bg3 Nd5 16.Qd2 Rfd8 17.Ne3 Qg6 18.Rab1 b6 19.c4 (19.Bd3 Qh5+=) 19...Ne3 (19...Bb4!? 20.Qb2 Nc3-/+) 20.fe3+= Bf6 21.Bd3 Qh5 (21...Qg4 22.Qc2 h6 23.Qf2=) 22.Rb5 Qg4 (better is 22...g5=) 23.Bf2?? (better is 23.Bc7!? Nd4 24.Nd4 Bb5 25.h3+=) 23...Nd4 (23...e5!? 24.de5 Be7+=) 24.ed4 Bb5 25.cb5 Rac8 26.Qe3 Rd5 27.h3 Qh5 28.Rc1 Rcd8 29.Rc7 R5d7 30.Rd7 Rd7 31.Qe4 g6 32.Qc6 Qd5 33.Be4 Qd6 34.Ne5 Be5 35.de5 Qd1 36.Kh2 h6 37.Bh4 g5 38.Bg3 Kg7 39.Bc2 (39.Bf3 Qd2+=) 39...Qd4 (39...Qd5 40.Bb1 Qc6 41.bc6+=) 40.Qf3 (40.Bb1!?+=) 40...Rc7= 41.Be4 Rc1 42.h4 Rc4 (better is 42...Qg1!? 43.Kh3 Rf1+=) 43.Qf6+/- Kg8 44.Bg6 Exerts pressure on the backward pawn 44...fg6 (44...Rc7 45.Bh5 gh4 46.Bh4+/-) 45.Qg6 Kf8 46.Qh6 Ke7 47.Qg5 Kd7 48.Qg7 Kc8 49.Qg8 Kb7 50.Qe6 a5 51.Qf7 Rc7 52.Qf3 Ka7 53.e6 Rh7 54.Kh3 Qc4 55.Qf6 (55.Qc6!? Qc6 56.bc6+=) 55...Qb5= 56.Qf8 Qd3 57.Kh2 (57.Qb8 Ka6 58.Qc8 Kb5 59.Qe8 Kc5 60.Qc8 Kb4=) 57...Qe4+= 58.Qc8 Qb7 59.Qd8 Qe4 60.Qd6 (60.Qc8 Qa8 (60...Rh4?! 61.Bh4 Qh4 62.Kg1=) 61.Qc4 Qe8-/+) 60...Ka6 61.Bf2 Rh4 ½–½. Hoogendoorn,Joost (2280) – Meulders,Richard (2275), KGSRL Masters 2nd, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 e6 9.Bd3 Nf6 10.0-0 Be7 11.c4 Qd7 12.Be3 0-0 13.Nc3 Rd8 14.Qb1 h6 15.Rd1 b6 16.d5 ed5 17.Nd5 Nd5 18.cd5 Na5 19.Ne5 Qc7 20.Bh7 Kf8 21.Nf7 Kf7 22.Qg6 Kf8 23.Bh6 Qe5?? Exerts pressure on the isolated pawn (23...Qc3 24.Ra4 Bd6+-) 24.Ra4+- (24.Ra4 Bf6 25.Rf4+-) 1–0. Wansink – Wolfl,Stefan, EU/M corr ICCF, 1997. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 e6 9.Bd3 Nf6 10.0-0 Be7 11.Re1 0-0 12.Bg5 Qd6 13.Na3 Bd7 14.Qb1 h6 15.Bf6 Bf6 16.Qb7 Rfb8 17.Qa6 Rb6 18.Nc4 Ra6 19.Nd6 Ra1 20.Ra1 Rb8 21.Nd2 Bd8 22.N2c4 Kf8 23.Ne4 a5 24.Nc5 Be8 25.Be4 Ke7 26.f4 Na7 27.f5 Nb5 28.fe6 Nc3 29.ef7 Kf7 30.Bd3 (worse is 30.Na5 Bf6 31.Kh1 Bd4 32.Rf1 Ke7+=) 30...Bf6 31.Ne5 Be5 32.de5 Ra8 33.Rc1 ½–½. Vlasveld,W Martin (2425) – Bochev,Krasimir (2495), W–Cup10 sf11 corr, 1998. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 Nf6 9.Nbd2 b5 10.c4 Qd7 11.Bb2 bc4 12.Bc4 e6 13.0-0 Nd5 14.Ne5 Ne5 15.de5 Be7 16.Qg4 0-0 17.Ne4 Qd8 18.Rfd1 Rb8 19.Bc1 Qc7 20.Nd6 h5 21.Qd4 Qb6 22.Qd3 (22.Ra7 Bd6 23.ed6 Nc3 24.Qb6 Rb6+/-) 22...Bb7 (22...Bd6 23.ed6 Rd8 24.Bd5 Rd6 25.Qe2 Rd5 26.Rd5 ed5 27.Qe8 Kh7 28.Qf7+=) 23.Nb7+= Qb7 24.Bd5 Qd5 25.Qe2 (worse is 25.Ra7 Qd3 26.Rd3 Rfd8 27.Rd8 Rd8-/+) 25...Qb5 26.Qh5 a5 27.Re1 Bb4 28.Re3 f5 29.Rb1 Rfd8 30.Rh3 (30.Ba3 Qe8 31.Qe8 Re8=) 30...Qe5+= 31.Bg5 (31.Be3 Bd6 32.Rc1 f4 33.Qh7 Kf7-/+) 31...Bd2 32.Rf1 Bg5 33.Qg5 Rd4 34.Qh5 a4 35.Re3 Re4 36.Rh3 Rg4 37.Re3 Qd5 38.g3 Rgb4 39.Qg6 Re4 40.Ra3 Qd6 41.Rfa1 Qd2 42.Qh5 Re1 43.Kg2 Ra1 44.Ra1 Qc3 45.Qd1 a3 46.Qd6 Qa1 47.Qb8 Kh7 48.Qe8 Qf6 49.Qh5 Kg8 50.Qe8 Qf8 51.Qe6 Qf7 52.Qa6 Qd5 53.f3 a2 (better is 53...Qd2 54.Kf1 Qd1 55.Kf2 Qc2 56.Ke3 a2-+) 54.h4 Kf8 55.h5 Ke7 56.Qa7 Kf6 57.Qa3 Kf7 58.Qa7 Kg8 59.Qa6 Kh7 60.Qg6 Kh8 61.Qa6? (better is 61.Qe8 Qg8 62.Qe5-+) 61...Qd2 62.Kh3 Qc2 63.h6? (63.f4 Qb1 64.Qa8 Kh7 65.Qc6-+) 63...Qb1 64.hg7 Kg7 65.Qa7 Kg6 66.Qa6 Kg5 (better is 66...Kh5 67.g4 Kg5 68.f4 Kf4 69.Qd6 Ke4 70.Qe6 Kf3 71.Qd5 Qe4 72.Qa2 Qg4 73.Kh2 Qh4 74.Kg1 Qe1 75.Kh2 Qf2 76.Qf2 Kf2-+) 67.f4= Kh5 ½–½. Haas,Bernhard (2225) – Kreutzberg,Steffen (2335), RSX6D – B20 – Sizil., 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 Nf6 9.Be2 e5 (9...Bg4 10.c4 Qd7 11.d5 Bf3 12.Bf3+=) 10.de5= Qd1 11.Bd1 Nd5 12.0-0 Bf5 13.Ba4 (better is 13.Bb3!? Be6 14.Bc2=) 13...Bb1-/+ 14.Rb1 Nc3 15.Bc6 bc6 16.Rb7 a5 17.Nd4 (17.Re1!? Bb4 18.e6-/+) 17...c5-/+ 18.Nf3 (18.Nf5 Ne2 19.Kh1 Nc1 20.Rc1-/+) 18...c4 (18...Ne2 19.Kh1 a4 20.Ng5-+) 19.Rc7 (19.Re1 Bb4-/+) 19...Bb4 (19...a4!?-/+) 20.Rc4+= 0-0 21.g3 Rfc8 22.Rc8 Rc8 23.Bb2 Ne4 24.Rd1 h5 25.Rd7 Rc2 26.Rd8 Kh7 27.Bd4 a4 28.Rd7 Kg8 29.Rd8 Bf8 30.Ra8 a3 31.Kg2 Rc4 (31...a2!?-/+) 32.h4 g6 33.Be3 Kg7 34.Ng5 ½–½. pcmvr (2840) – pierred (2755), net–chess.com, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Nf3 Bg4 9.Be2 e6 10.0-0 Nf6 11.Na3 Be7 12.Nc2 Qb3 13.Bd2 Bf5 14.Ne3 Qd1 15.Rfd1 Be4 16.Ne1 0-0 17.f3 Bg6 18.Nd3 h6 19.f4 Rfd8 20.g4 Nd5 21.Nd5 Rd5 22.Nf2 Ra5 23.Bf3 Ra1 24.Ra1 a5 25.Be4 Be4 26.Ne4 b5 27.Rb1 a4 28.Nc5 (better is 28.Rb5!? a3 29.Rb1-+) 28...b4! 29.cb4 Nd4 30.Kf2 a3 31.Bc3 a2 32.Rd1 Nc2 33.Ke2 a1Q 34.Ba1 Ra1 35.Ra1 Na1 36.Kd3 Bc5 37.bc5 Kf8 38.Kc3 Ke7 39.Kb2 Kd7 40.Ka1 Kc6 41.Kb2 Kc5 42.Kc3 g5 43.Kd3 gf4 44.Ke4 e5! 45.h4 (45.Ke5 f3 Passed pawn) 45...f6 46.h5 Kc4 47.Kf5 f3 48.Kf6 f2 49.Kg7 f1Q 50.Kh6 Qf6 (50...Qf6 51.Kh7 e4 52.Kg8 e3 53.g5 Qg5 54.Kf8 e2 55.Ke8 e1Q 56.Kd7 Qee7 57.Kc6 Qgf6) 0–1. Ermenkov,Evgenij (2475) – Subervi,Jonathan (2230), Santo Domingo op, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Nf3 Bg4 9.Be2 Nf6 10.c4 Qd7 11.d5 Bf3 12.gf3 Ne5 13.f4 Ng6 14.Nc3 Nh4 15.h3 e6 16.c5 Qc7 (16...Bc5? 17.Bb5 Qb5 18.Nb5 Nd5 19.Rg1+-; 16...ed5?? 17.Bb5 Bc5 18.Bd7 Nd7 19.Nd5+-) 17.Bb5 Nd7 18.0-0 0-0-0 (18...Ng6 19.de6 fe6+=) 19.c6+= (19.Ra7 Kb8 (worse is 19...Qc5 20.Be3 Qc3 21.de6+/-) 20.Qa4 Qc5+-) 19...Nc5 20.Ra7 Kb8 21.Ra2 Be7 22.Be3 Qd6 23.Qa1 Kc7? (23...Nf3 24.Kh1 Na6 25.Ra6 ba6 26.Ba7 Ka8 27.Qa6 Rd7 28.Bc5 Kb8 29.Qb6 Kc8 30.Bd6 Bd6 31.cd7) 24.Ra7 (24.Be2 Bf6 25.Nb5 Kb6+-) 24...Nf3?? (better is 24...Rb8 25.Rd1 e5+-) 25.Kh1 Rb8 26.Qa5 (26.Qa5 Kc8 27.Bc5+-) 1–0. Meijer,Wilmar M – Bass,Stanley, corr, 2000. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Nf3 Bg4 9.Be2 Nf6 10.c4 Qd8 11.d5 Nb4?? (better is 11...Bf3 12.Bf3 Ne5=) 12.Qa4+- Qd7 13.Qb4 e6 14.Qa4 Qa4 15.Ra4 ed5 16.cd5 Bd6 17.0-0 0-0 18.Bg5 Bf3 19.Bf3 b5 20.Ra6 Rfd8 21.Nc3 b4 22.Bf6 gf6 23.Ne4 Be5 24.Nf6 Bf6 25.Rf6 a5 26.Rb6 Rdb8 27.Rb8 Rb8 28.d6 Kf8 29.Bc6 Rb6 (29...b3+-) 30.d7 (30.d7 Rc6 31.d8Q Kg7 32.Qa5+-) 1–0. Meijer,Wilmar M – Grudny,Diego, corr, 2001. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

7.e5 e6

8.Ba3 Ba3 9.Na3 Bd7 10.Bd3. rpatru (2180) – chessleon (2005), net–chess.com, 2010.

8.Ba3 Ba3 9.Na3 Nge7 10.Bd3 Ng6 11.Nb5 0-0 12.Qh5 f5 13.Nh3 Qh4 14.Qh4 Nh4 15.Nf4 Bd7 16.g3 Nf3 17.Ke2 Ng5 18.f3 Nf7?? (better is 18...a6 19.Nd6 b5+=) 19.Nc7+- Rac8 20.Nfe6 Be6 21.Ne6 Rfe8 22.Bf5 b6 23.Kd2 Na5 24.Kd3 Nc6 25.Rhe1 Rb8? (25...a5+-) 26.Nc7 Red8 27.Be6 Kf8 (27...a5 28.Nd5 Kf8 29.f4+-) 28.Bd5 (28.Nd5?! Ng5 29.Nf4 Nf3+-) 28...Rd5 29.Nd5 Rd8 30.c4 Ng5 31.h4 (better is 31.e6 Re8 32.e7 Kf7 33.Re3+-) 31...Nh3 (31...Nf3 32.Re4 Nfd4 33.Rd4 Nd4 34.Kd4+-) 32.Re4 (32.Re2 Na5+-) 32...Na5 (32...Nf2 33.Ke3 Ne4 34.Ke4+-) 33.f4 (33.Re2 Rc8+-) 33...g6 (33...Nf2 34.Ke3 Ne4 35.Ke4 Nc4 36.Nc7 (36.Ra7?! Nd2 37.Kd3 Rd5+-) 36...Nd2 37.Kd3+-) 34.h5! gh5 (34...Nf2 35.Ke3 Ne4 36.Ke4 Nc4 37.Nf6+-) 35.f5 (35.Re2 h4 36.Rh2 Nf2 37.Rf2 hg3+-) 35...Ng5?? (35...Nf2 36.Ke3 Ne4 37.Ke4 Nc4+-) 36.e6 Ne4 (36...Nc6 37.Re3 Re8 38.Rae1+-) 37.e7 Ke8 1–0. Messina,Roberta (1855) – Proietti,Tosca, ITA–chT (Women), 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

8.Ba3 Ba3 9.Na3 Nh6 10.Bd3 0-0 11.Qc2 f6 12.Bh7 Kh8 13.f4 fe5 14.de5? (14.fe5 Ng4 15.Nf3 Rf3 16.gf3 Qh4 17.Kd2 Qh6 18.Ke2 Qe3 19.Kf1 Qf3 20.Kg1-+) 14...Rf4-+ 15.Ne2 Rf8 16.0-0-0? (16.Nb5-+) 16...Qg5 17.Kb1 Ne5 18.h4 Qe7 19.Ka2 Nhg4 20.Rh3 (20.Rd4 Rf2 21.Bd3 Ne3-+) 20...Bd7 (better is 20...Nf2 21.Rdh1-+) 21.Rd4 Rf2 22.Rg3 Nh6 23.h5 Raf8 24.Bg6 Nc6 25.Rd2 e5 26.Ng1 Rd2 27.Qd2 Qc5 28.Rf3 Rf3 29.Nf3 Ng4 30.Qg5 (30.Ng5 Ne7-+) 30...Qe7 (better is 30...Qc3!? 31.Nc2-+) 31.Qd2 Be6 32.Ng5 Bg8 33.Nb5 (33.Nf3 e4 34.Nd4 Nge5-+) 33...d4 34.Kb1 a6 35.c4 (35.Nd4 ed4 36.cd4-+) 35...ab5 36.cb5 Qb4 (36...Qb4 37.Qb4 Nb4-+) 0–1. Malaczek,Mateusz – Mroziak,Maciej, DMP – Extraliga Juniorow'2009, 2009. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

8.Ba3 Nge7 9.Bd3 Ng6 10.Bf8 Kf8 11.Ne2 f6 12.f4 Qc7 13.Na3 Nd8 14.Qc2 f5 15.Nb5 Qb8 16.Qb3 Nf7 17.Qa3 Kg8 18.0-0 (18.Na7 b6+/-) 18...Bd7 (better is 18...a6!?+=) 19.Na7+/- h6 20.Nc6 Ra3 21.Nb8 Ra1 22.Ra1 Bc8 23.Bb5 Nf8 24.Be8 g5 25.Ra8 Kg7 26.Ng3 Nd7?? (better is 26...Ng6 27.Nh5 Kf8+/-) 27.Nh5+- (27.Bd7 Bd7 28.fg5 hg5-/+; 27.Nd7 Re8 28.Nh5 Kh8+-) 27...Kf8 28.Bf7 Nb8 29.Be6 (29.Rb8?! Kf7 30.Nf6 Ke7+/-) 29...Ke7 30.Rb8 Ke6 31.Ng7 Kd7 32.Nf5 Kc7 33.Ra8 Rf8 (33...Rd8 34.Nd6 Bd7 35.Rd8 Kd8 36.f5+-) 34.Nd6 (better is 34.Ne7 b5 35.Rc8 Rc8 36.Nc8 gf4+-) 34...Rf4 (34...gf4 35.Nc8 Rc8 36.Rc8 Kc8+-) 35.Rc8 (35.Rc8 Kd7 36.Rc5+-) 1–0. Krustev,G (2005) – Atamer,T (1935), MGU–14 Open, Sofia BUL, 2010. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

8.Bd3 a6 9.Ra2 Rb8 (9...Nge7 10.Nf3=+) 10.Ne2 b5 11.0-0 Na5 12.f4 (12.Ba3 Ba3 13.Na3 Ne7=+) 12...Nc4=+ 13.f5 (13.Ng3 Nh6=+) 13...Ne7 (13...ef5!? 14.Bf5 Bf5 15.Rf5 Ra8=+) 14.fe6= Be6 (14...fe6 15.Na3=) 15.Nf4 (15.Ra6 Qc8 16.Ra2 Bf5+=) 15...Qc8 (15...Bc8 16.Qh5 g6 17.Qf3=) 16.Ne6 Qe6 17.Raf2 Nc6 (17...Rb6 18.Bg5+=) 18.Bf5 (18.Rf7!? Nd8 19.R7f3+-) 18...Qe7= 19.Qf3 Rd8 (19...Nb6!?=) 20.Bh3+- b4 (20...N4e5 21.de5 Ne5 22.Qe3+-) 21.Bg5 N4e5? (better 21...Qb7+-) 22.Qe3 (22.de5 Ne5 23.Qh5+- (23.Be7?! Nf3 24.Rf3 Be7+=)) 22...f6-/+ 23.Bf4 Nc4 (23...Ng6 24.Qd2 Nf4 25.Rf4-/+) 24.Qc1 (24.Qf3 Qa7 25.Nd2 Nd2 26.Rd2 Be7=+) 24...Qa7 25.Re1 Be7 26.Be6 Kf8 (26...Qb6-/+) 27.Kh1? (27.Nd2 Nd2 28.Rd2 Qb6=+) 27...h5 (27...bc3 28.Nc3 Qd4 29.Rf3-+) 28.Rfe2? (better 28.Nd2=+) 28...Bd6?? (28...bc3 29.Nc3 Nd4 30.Nd5 Ne2 31.Qc4 Nf4 32.Nf4=+) 29.Qc2?? (better 29.Bd6 Nd6 30.Bd5+=) 29...g5?? (better 29...Bf4 30.Bd5 Rd5 31.Re8 Kf7 32.Rh8 Qd7-/+) 30.Qg6 (better 30.Bd5 Bf4 31.Qg6+- (31.Bc4?! Rh6+-; 31.Bc6?! Ne3 32.Re3 Be3 33.Re3 bc3+-)) 30...Qg7= 31.Qg7? (better 31.Bd6 Rd6 32.Qf5=+) 31...Kg7-+ 32.Bd6? (better 32.Bd5 Bf4 33.Bc4 bc3 34.Nc3 Nd4 35.Re7 Kg6 36.Nd5-+) 32…Rd6 (32...Nd6 33.Bd5 Rc8 34.Ra2 bc3 35.Ra6-+) 0–1. Zala,Gyula (1995) – Mayer,Istvan (2030), FSFMA, 2011. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 a6)

8.Bd3 a6 9.Ba3 Bd7 (9...Ba3 10.Na3 Na7 11.Nf3=) 10.h4 (10.Bf8 Kf8 11.Nh3 Na7=) 10...b5 (10...Ba3!? 11.Na3 Nge7+=) 11.Bf8+= Kf8 12.Ne2 (12.Nf3 h5+=) 12...Qb6 (12...a5 13.Nd2+=) 13.Na3 Rc8 14.Qb1 (14.0-0 f6 15.f4 Nh6=) 14...Nge7 15.h5 (15.0-0 f6 16.ef6 gf6=) 15...h6 16.g4 (16.Nc2 a5=) 16...Na5 (16...f6 17.f4=) 17.Qb4 Nc4 18.Nc4 dc4 19.Be4 Ke8 (19...Bc6!? 20.Ng3 Qb7 21.Bc6 Qc6=) 20.Qa5 Qa5 21.Ra5 Bc6 22.Bc6 Rc6 23.Kd2 Nd5 24.Rha1 Nc7 25.Ng3 Ke7 26.Ne4 Rb8 27.Kc2 f6 28.ef6 gf6 29.Nc5 White threatens to win material: Nc5xa6 29...Rg8 30.Na6 Na6 31.Ra6 ½–½. Frink,Ferenc (2180) – Daroczy,Sandor, Alfoeld Cup op, 2000. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Bf8)

8.Bd3 a6 9.Ne2 Bd7 10.0-0 b5 11.f4 g6 12.g4 White prepares the advance f5 12...Qb6 13.Be3 h5 14.f5 (14.g5!?-/+) 14...Ne5! 15.fg6 (15.de5 Qe3 Double attack (15...Qe3 Pinning; 15...Qe3 Deflection; 15...Qe3 Decoy)) 15...fg6 (15...hg4 16.gf7 Nf7 17.Bg6+/-) 16.gh5 gh5 17.Nf4 Bh6?? (better is 17...Ne7-+) 18.Qh5+- Nf7 19.Qf7!! Kf7 (19...Kd8+-) 20.Nd5 Ke8 (20...Nf6 21.Rf6 (21.Nb6 Be3 22.Rf2 Rag8 23.Kf1 Bf2 24.Nd7 Nd7 25.Kf2 Rh2 26.Ke1 Rg3-+) 21...Kg8 22.Bh6+- (22.Rh6?! Qd6 23.Nf6 Kf7+/-)) 21.Bg6 (21.Nb6?! Be3 22.Kg2 Bc6 23.d5 A) 23...Bd5? 24.Nd5 ed5 25.Bb5 Ke7 26.Re1+- (26.Ra6?! Ra6 27.Ba6 Bc5+/-; 26.Ba6?! Nh6=); B) 23...Bb6 24.dc6 Ra7 25.Bg6 Kd8 26.Rf8 Kc7=) 21...Kd8 22.Bg5!! (22.Nb6 Be3 23.Kg2 Bc6 24.d5 Bb6 (24...Bd5? 25.Nd5 Ne7 26.Ne3 Ng6 27.Nd2+-) 25.dc6 Ne7 26.Rd1 Nd5-/+) 22...Kc8 (22...Bg5 23.Rf8 Decoy (23.Nb6 Zwischenzug)) 23.Nb6 Kb7 24.Na8 Bg5 25.Be4 Bc6 (25...Ka7 26.Nc7 a5 27.d5+-) 26.Bc6 Kc6 27.Ra6 Kb7 1–0. Mufics,Istvan (2205) – Binder,Tamas (2240), HUN–chT2, 1995. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 a6)

8.Bd3 a6 9.Nf3 Be7 =.

8.Bd3 Rb8 9.Nf3 b5 10.0-0 b4 11.Ng5 (11.cb4 Bb4 12.Na3 Nge7=) 11...g6 (11...Be7!? 12.Nf3 b3+=) 12.cb4= Bb4 13.Nf3 Qb6 14.Be3 a5 15.Qe2 Bd7 (15...Nge7 16.Rc1=) 16.Rc1 Nge7 17.g4 (17.Nc3!?=) 17...h5+= 18.h3 (18.g5+=) 18...Nc8 (18...hg4 19.hg4 Na7 20.Nc3-/+) 19.Qc2? (19.g5 N8e7=) 19...N8e7 20.Kg2 (better is 20.Qe2!?=) 20...Rc8 21.Qe2 Rd8 (21...hg4 22.hg4 Nb8 23.Nbd2-/+) 22.Nbd2 Bd2 (22...hg4 23.hg4 Rc8 24.Rh1+=) 23.Qd2 Nb4 (23...hg4 24.hg4 Nb4 25.Rh1 Rh1 26.Rh1=) 24.Be2 (24.g5 Nd3 25.Qd3 Bb5=) 24...Nec6 (24...hg4 25.hg4 Rb8 26.Ng5+=) 25.Ng5 (25.g5 0-0=) 25...a4 (25...hg4 26.hg4 Bc8 27.Rh1 Rh1 28.Rh1=) 26.gh5 (26.Ra4 hg4 27.Bg4 Rb8+=) 26...gh5 (26...Na5 27.hg6 fg6 28.Bd1+=) 27.h4 (27.Ra4!? Rb8 28.Rb1+/-) 27...Na5 28.Qd1 Nb3 (better is 28...Nc4+=) 29.Nf7?? (better is 29.Bh5 Kf8 30.Nf7 Rg8 31.Bg5 Rg5 32.hg5+- (worse is 32.Ng5 Ke7 33.Qf3 Rf8+-)) 29...Rg8-/+ (29...Kf7 30.Bh5 Rh5 31.Qh5 Kf8 32.Bh6 Ke7 33.Qg5 Ke8 34.Qg8 Ke7 35.Bg5) 30.Ng5 Nc1 31.Bh5 Ke7 32.Rc1 Rc8 ½–½. Vardakas,S (2000) – Kafetzis,G (1925), Open Thessaloniki GRE, 2010. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

8.Bd3 Qc7 9.Na3? Ba3?? (better is 9...Ne5 10.Nb5 Nd3 11.Qd3 Qb8-/+) 10.Ba3= Ne5 11.de5 Qc3 12.Kf1 Qe5 13.Bb5 Kd8 (13...Bd7!? 14.Bd7 Kd7 15.Qa4 Kd8+=) 14.Nf3 Qc3 15.Bd6 Bd7 16.Bd3 Bc6?? (better is 16...Nf6+/-) 17.Be5+- Qa1 18.Qa1 f6 19.Ng5! fe5 (19...fg5 20.Bg7 Combination) 20.Qe5 (20.Qe5 Ne7 21.Nf7 Kd7 22.Qd6 Ke8 23.Nh8+-) 1–0. Mabee – Bosco, Arizona, 1978. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.d4 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

8.Bd3 Qc7 9.Ne2 a6 10.0-0 f5 (10...f6 11.f4+=) 11.ef6 (11.Be3!?=) 11...Nf6+= 12.f4 Bd6 13.Nd2 0-0 14.Nf3 Bd7 15.Ne5 Rac8 (worse is 15...Ne5 16.fe5 Be5 17.de5+=) 16.Bd2 Ne7 (worse is 16...Ne5 17.fe5 Be5 18.de5 Qe5 19.Bf4+/-) 17.Ng3 Nf5 (17...Ra8 18.Re1+=) 18.Qf3 (18.Nf5 ef5 19.c4 Be5 20.fe5 dc4=) 18...Ng3+= 19.Qg3 Bb5 20.Bb5 Ne4 Increases the pressure on the backward pawn (20...ab5 21.Qh3 Rfe8 22.Qe3+=) 21.Qd3 (21.Qh3 Be5 22.Bd3 Bd4 (22...Nd2?? 23.Qh7 Kf7 24.fe5 Ke8 25.Bg6 Kd7 26.Rf8 Rf8 27.Qg7 Kc6 28.Qf8+-) 23.cd4 Nd2 24.Qh7 Kf7 25.Qg6 Ke7+=) 21...Nd2 (better is 21...ab5 22.Be1 Nc3-+) 22.Bd7+= Nf1?? (better is 22...Qc3 23.Be6 Kh8 24.Bc8 Qd3 25.Nd3 Rc8+=) 23.Be6+- Kh8 (23...Rf7 24.Nf7 Re8 25.Ng5 Kf8 26.Qf5 Ke7+-) 24.Ng6! hg6 25.Qh3 1–0. Koltanowski,George – Saxton,Delmar, simul blind, 1940. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Nb4 7.c3 Nc6)

8.Bd3 Qc7 9.Ne2 f6 10.f4 f5 11.0-0 a6 (11...Be7 12.Na3 Nh6 13.c4 dc4 14.Bc4=) 12.Na3 Rb8 13.g4 (13.Bb2!?+=) 13...g6=+ 14.gf5 gf5 15.Kh1 Qf7 (15...b5 16.Ng3=+) 16.c4= dc4 17.Bc4? (better 17.Nc4 Nb4 18.Ng3=) 17...b5-+ 18.Ba2 (18.Bb3 Bb7 19.Kg1 Nb4-+) 18...Bb7 19.Kg1 Nb4 (better 19...Qg6 20.Ng3 Rd8-+) 20.Bb1? (better 20.Bb3-+) 20...Qg6 21.Ng3 h5 22.Kf2 h4 23.Ne2 (23.Nf5 Qg2 (23...ef5?! 24.Rg1 Qe6 25.Bd2-+) 24.Ke1 ef5-+) 23...Qg2 (better 23...Nh6!? 24.Rg1 Ng4 25.Ke1-+) 24.Ke1 Qh2 25.Nc2 (25.Qb3 Bd5 26.Qc3 h3-+) 25...Qg2 (25...Bg2 26.Ne3 Bf1 27.Nf1-+) 26.Rg1 (26.Ne3 Qc6 27.Rf2 h3-+) 26...Qc6 27.Ne3?? (27.Ba3 Nc2 28.Qc2 Qc2 29.Bc2-+) 27...h3 28.Nf1 (28.d5 Nd5 29.Nd5 h2-+) 28...h2 29.Nh2 Rh2 30.Rg8 (30.Qb3 Nh6 31.Bd2 Rc8-+) 30...Rh1 31.Ng1 (31.Rg1 Rg1 32.Ng1 Qc3 33.Ke2 Qa1-+) 31...Qc3 32.Bd2 (32.Qd2 Qa1 33.Qb2 Qb2 34.Bb2 Kf7-+) 32...Qd4 33.Rf8 (33.Qb3 Rg1 34.Ke2 Bf3 35.Qf3 Rg8 36.Ra3-+) 33...Kf8 34.Bb4 Qb4 35.Kf1 (35.Ke2 Rh2 36.Kf1 Qf4 37.Nf3 Rh1 38.Kf2 Rd1 39.Be4 Ra1 40.Ke2 Qe4 41.Kd2 Ra2 42.Kc3 Qc4) 35…Qf4 (35...Qf4 36.Qf3 Qf3 37.Ke1 Rd8 38.Bd3 Rd3 39.Ra6 Rg1) 0–1. Chehayeb,Salah (2020) – Zhang,Henry (1935), Canadian Open, 2016. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Qc7)

8.Bd3 Qc7 9.f4 Nge7 10.Nf3 h5 11.0-0 Nf5 12.Qe1 Na5 13.Bb5 Nc6 (13...Bd7 14.Bd3+=) 14.Na3 a6 15.Bd3 Rb8 16.Kh1 Be7 17.Nc2 Na5 18.Ne3 (18.Bf5!? ef5 19.Ne3=) 18...Ne3+= 19.Be3 Nc4 20.Bc1 g6 21.Ng5 White plans f5 21...Rg8 22.Nh7 Rh8 23.Nf6 Bf6 24.ef6 Bd7 (better is 24...Ra8=) 25.f5+- gf5 26.Bf4 Qc8 (26...Qd8 27.Bc4 dc4 28.Qg3+-) 27.Bc4 dc4 28.Qg3 (28.Qg3 Ra8 29.Qg7+-; 28.Bb8?! Qb8 29.Rf5 Qd6+-) 1–0. Anchondo,Francisco (2020) – Cohen,John (1895), Western States op, 2006. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.ab4 e6 6.d4 Bb4 7.c3 Bf8)

8.Bd3 g6 9.Ne2 Bd7 10.h4 a6 11.h5 Bg7 12.Qc2 Nge7 13.Ba3 Nf5 14.Nd2 Qg5 15.g3 Rc8 16.Qb1 Bh6 (16...b5 17.f4 Qg4 18.h6+=) 17.Bc1+= Qg4 18.Kf1 (18.Qb7 Bd2 19.Kd2+= (19.Bd2? Qf3 20.Rh2 Qd3-+)) 18...Bd2=+ 19.Bd2 Qf3 20.Rh3 Na7 21.Ra5 gh5 (21...Bb5 22.Rb5 Nb5 23.Ng1 Nc3 24.Nf3 Nb1 25.Bb1=) 22.Nf4 (better 22.Ng1 Qg4 23.Be2+=) 22...Rg8?? (better 22...Bb5-/+) 23.Nh5+- Rg6 24.Be2 Qe4 25.Nf6 Rf6 26.Qe4 de4 27.ef6 Bb5 28.Rh7 e3 29.Bb5 (better 29.Be1!?+-) 29...Nb5+- 30.fe3 Ng3 31.Kg2 Ne4 32.Rh8 ½–½. Schulz,Lukas (2050) – Zolfagharian,Kevin (2060), SG Solingen–SC Hchstadt/Aisch, 2013. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

8.Bd3 g6 9.Nf3= Bh6? (9...Nge7!?=) 10.Na3+/- Bd7 (10...Bc1 11.Qc1 Kf8+-) 11.Bh6?? (better is 11.Nb5+-) 11...Nh6+= 12.Nb5 0-0 13.h4 (13.0-0 f6 14.Qd2 Nf7=) 13...f5 (13...Ne7 14.Nd6 (14.Ra7? Ra7 15.Na7 Qa5-+) 14...Qc7 15.Qc1=) 14.Nd6+= Nf7 15.Nb7 (15.Qc1 Nd6 16.ed6 Qf6+=) 15...Qc7= 16.Nc5 Nce5 17.h5 (17.0-0 Nd3 18.Qd3 a5=) 17...Nf3 18.Qf3 g5 (18...Ne5 19.Qe2 Nd3 20.Qd3=) 19.h6 (19.0-0 a5+/-) 19...g4= 20.Qe3 The backward pawn on e6 becomes a target 20...e5 21.Kf1 (21.Rb1 f4 22.Qd2 Qd6=) 21...e4 22.Ba6 f4 23.Qc1 Nd6 (23...e3!?=) 24.Rh5+= e3 25.Rd5 Rae8 (25...Bf5 26.fe3 f3+=) 26.Bd3 (26.Nd7 Qd7 27.Bd3+=) 26...Bf5= 27.Qc2 Bd3 28.Qd3? (better is 28.Nd3 Nf7 29.Ne5 Ne5 30.Re5 Re5 31.de5+=) 28...Qe7-+ 29.Rh5 ef2 30.Re5?? (30.Kf2 f3 31.Kg3-+) 30...Qh4-+ Black prepares the advance g3 31.Ra7 (31.Ke2 f3 32.gf3-+) 31...Qh1 (better is 31...Qh6 32.Kf2 f3 33.Qh7 Qh7 34.Rh7 Kh7 35.Re8 Ne8-+) 32.Kf2+= g3 33.Kf3 Nf5?? (33...Qh6 34.Qe2 Nf5 35.Qa2 Kh8 36.Re8 Re8-+) 34.Rf5+- Rf5 (34...Qh6 35.Rg5 Kh8+-) 35.Qf5 Qd1 36.Kf4 Qd2 37.Kg3 Re3 (37...Qe1 38.Kg4 Qe2 39.Qf3 Qf3 40.gf3 Re1+-) 38.Kh2 Rh3 39.Qh3 Qf4 40.Qg3 1–0. Martinez,Jorge Alexander (2175) – Geurts,Harrie Tulio (1785), Medellin COL, 2014. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4 6.c3 Bf8 7.d4 Nc6)

8.Bd3 Nh6 9.Nf3 Nf5 10.0-0 Be7 11.g4 (11.Ba3 0-0=) 11...Nh4 12.Nh4 Bh4 13.f4 Be7 14.Ba3 a6 15.Be7 Qe7 16.Na3 Rb8 17.Nc2 Bd7 18.Ne3 g6 (18...Ra8 19.f5+=) 19.g5= h5 20.gh6 (20.Be2 0-0=) 20...Rh6 21.Ng4 Rh8 22.Nf6 Kd8 23.Qb3 Be8 24.Qa2 Qc7 25.Qb2 Na5 (25...Na7!?-/+) 26.Qa3 Nc4 27.Bc4 Qc4 28.Rf2 (better is 28.Qd6!? Kc8 29.Ne8 Re8 30.Ra5=) 28...Bb5 29.Rc1 Qc7 30.Rf3 Qe7 31.Qa2 Rc8 32.Rb1 Kc7 33.Rb5 (better is 33.Qg2!?-/+) 33...ab5-+ 34.Qa5 Kc6 35.c4? (35.Qa1-+) 35...bc4 36.Qa4 Kc7 37.Qa5 b6 38.Qa7 Kd8 39.Qb6 Qc7 40.Qb5 Rb8 41.Rh3 Rf8 (41...Rb5?? 42.Rh8 Ke7 43.Re8) 42.Qa4 Rb1 (42...Qb7 43.Rf3-+) 43.Kf2 (43.Kg2 Rb2 44.Kf1 Qb7 45.Qa5 Rb6-+) 43...Rb2 (43...Qb7 44.Qa5 Qb6 45.Qb6 Rb6 46.Ra3 Rb2 47.Ke1-+) 44.Kg3 Rb3 (better is 44...Rb7!? 45.Kg4 Qb6 46.Qa8 Rb8 47.Qa3-+) 45.Kg4 Rh3 46.Qa8 ½–½. Gabetto,Flaviano (2050) – Rossi,Giampiero (2020), Robecchetto op, 1999. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 e6 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

8.Nf3 Nge7 9.Bd3 Nf5 10.0-0 Be7 11.Na3 0-0 12.Nc2 Nh4 13.Nh4 Bh4 14.Qh5 g6 15.Qg4 f5 16.ef6 (better is 16.Qf3!?=) 16...Bf6-/+ (worse is 16...Qf6 17.g3+=) 17.Bh6 Rf7 18.f4 e5 19.f5 e4 20.Be2 Ne7 21.fg6?? (21.Ne3 Qd6 22.Bb5-/+) 21...hg6 (better is 21...Bd4 22.Nd4 Rf1 23.Rf1 Bg4 24.Rf8 Qf8 25.gh7 Kh7 26.Bf8 Rf8 27.Bg4 a5-+) 22.Qg3-/+ Kh7 23.Bc1 Nf5 24.Qh3 Kg7 25.g4 Nh4 26.Ne3 Be6 27.Qg3 Bg5?? (better is 27...Kg8-/+) 28.Qe5+/- Rf6 29.Nf5! (29.Qg5?! Rf1 30.Nf1 Qg5 31.Bg5 Nf3 32.Bf3 ef3+-) 29...gf5 30.Bg5 Ng6 31.Bf6 Qf6 32.Qf6 Kf6 33.gf5 Bf5 34.Bg4 Nh4 1–0. Plaszczynska,A – Bos Swiecik,Iwona (2100), Poland–chT Porabka, 1986. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

8.Nf3 f6 9.Bd3 +=.

8.Nf3 Nh6 9.Bd3 Nf5 10.0-0 Bd7 11.Ba3 Ba3 12.Na3 a6 13.Re1 g6 (13...Nce7 14.Ng5+=) 14.Qc1 h6 15.Kh1 Rc8 16.Qb2 Qc7 17.c4 Nfe7 18.c5 Rb8 19.Reb1 Nf5 20.Nc2 0-0 21.Ra3 Na7 22.Qc1 Kg7 23.Qf4 Bb5 24.g4 (24.Bf5!? ef5 25.Nh4+/-) 24...Bd3= 25.Rd3 Ne7 26.Qf6 Kg8 27.Ng5 Nec6? (27...Qd8 28.Rh3 Nf5 29.Qd8 Rfd8 (29...Rbd8? 30.Rb7 hg5 31.Ra7+-) 30.Ne6 fe6 31.gf5 ef5 32.Rh6 Kg7+=) 28.Rh3+- h5 29.gh5 Qe7 30.hg6 Qf6 31.ef6 fg6 32.f7 (32.Ne6 Rf6 33.Ng5 Nb5=) 32...Rf7 33.Nf7 Kf7 34.Rb7! Rb7 35.Rh7 Kf6 36.Rb7 Nb5 37.Rb6 Nbd4 38.Nd4 Nd4 39.Ra6 Ke5 (39...g5 40.Kg2+-) 40.Kg2 Nb3 (40...g5 41.Rb6+-) 41.c6 (41.f4 Kf6 42.c6 Ke7+-) 41...Kd6 42.c7! Kc7 43.Re6 d4 (43...g5 44.Re3 Nc5 45.Re5+-) 44.Kf3 d3 45.Rg6 Nd4 (45...Nd2 46.Kg2 Nc4+-) 46.Ke3 Nc6 47.Rc6! (47.Rc6 Kc6 48.Kd3+-) 1–0. Szentmihalyi,David (2005) – Bogdany,Gabor (2030), HUN–chT2 Maroczy, 2009. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8)

8.f4 Nge7 9.Bd3 a6 10.Nf3 Nf5 11.0-0 h5 12.Na3 Rb8 13.Nc2 b5 14.Ne3 Ne3 15.Be3 g6 16.Ng5 Be7 17.Qc2 Rg8 18.Qe2 Bg5 (18...Na5!?+=) 19.fg5+= Ne7 20.h4 Nf5 21.Bf5 ef5 22.Bf4 Rb6 23.Rfb1 Kf8 24.Bd2 Rg7 25.c4? (better is 25.Rf1!?=) 25...dc4-/+ 26.Ba5? (better is 26.Bb4 Kg8 27.Qf2-+) 26...Qd4-+ 27.Kh1 (27.Kf1 Re6 28.Rd1 Qf4 29.Qf3 Qf3 30.gf3-+) 27...Qh4 28.Kg1 Re6 0–1. Orsos,Gabor – Virag,Attila Aba (2075), Miskolc Avas op, 2003. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Nb4 7.c3 Nc6)

8.f4 Nge7 9.Nf3 Nf5 10.Bd3 Be7 11.0-0 0-0 12.g4 Nh4?? (12...Nh6 13.h3 Kh8 14.Qc2+=) 13.Be3?? (better is 13.Nh4 Bh4 14.g5+-) 13...Nf3-/+ 14.Qf3 f6 15.Qg3 fe5 16.fe5 Rf1 17.Bf1 Bg5 18.Nd2 Be3 19.Qe3 Qe7 20.Bd3 Bd7 21.Kg2 Rf8 22.Kg3 h6 23.Bg6 a6 24.h4 Be8 25.Bd3 Qf7 (25...Qc7 26.Kg2-/+) 26.c4 (26.Rf1 Qe7 27.Ra1 Qc7-/+) 26...dc4 27.Nc4 Qd7 28.Nd6 Nb4 29.Bb1 Nd5 30.Qe4 Qc6?? (better is 30...g6 31.Ne8 Qe8 32.Qg6 Qg6 33.Bg6 Nf4+=) 31.Qh7 1–0. Wupi – Koch,Michael (2015), Canarias en Red prel 4th blitz, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

8.f4 Nh6 9.Nf3 Be7 10.Bd3 Bd7 11.0-0 f5 12.Ba3 0-0 13.Be7 Qe7 14.Na3 a6 15.Nc2 Rac8 (15...Rfc8 16.Qb1=+) 16.Ne3 Nd8 17.c4 (17.Qb3 Ng4 18.Nc2 Be8=) 17...Bc6 (17...Ng4!? 18.Ng4 dc4=+) 18.c5 Ndf7 (18...Be8 19.Ng5=) 19.h3 g5 20.g3 (20.Nd2 gf4 21.Rf4 Qg5=) 20...Kh8 21.Kf2 Rg8 22.Rg1 Rg7 (22...g4 23.hg4 Ng4 24.Ng4 Rg4 25.Nh2=) 23.Qc2 (23.fg5!? Ng5 24.Ng5 Qg5 25.Qf3=) 23...Rcg8=+ 24.Rg2 Qf8 (24...g4 25.hg4 Ng4 26.Ng4 Rg4 27.Nh2=) 25.Rag1 (25.fg5 Ng5 26.Ng5 Rg5=) 25...Qd8 (25...gf4 26.gf4 Rg2 27.Rg2=) 26.h4 (26.fg5 Ng5 27.Ng5 Qg5=+) 26...gf4=+ 27.gf4 Rg2 28.Rg2 Rg2 29.Kg2 Qg8 30.Ng5 Ng5 31.hg5 Nf7 32.Qe2 (32.Bf5 Ng5 33.fg5 Qg5 34.Kf3 ef5 35.Qf5 Qf5 36.Nf5 a5=+) 32...Qg6 33.Kf1 h6 34.Qh2 Kg7 35.gh6 Nh6 36.Qh4 Ng8 37.Nc2 Qg4 38.Qg4 fg4 39.Ne3 Nh6 40.Kf2 Bb5 41.Bc2 Bd7 42.f5 (42.Kg3 a5=) 42...ef5 (42...Nf5 43.Bf5 ef5 44.Nd5=+) 43.Nd5= Kg6 (43...Kf7 44.Nf4=) 44.Nf4 Kg5 45.Kg3 Ng8 46.e6 (46.d5 a5+-) 46...Be8 (46...Bb5 47.d5=+) 47.d5= Nf6 48.d6 a5 49.Ne2 (49.Nd3 a4=) 49...a4=+ 50.Nc3 (50.Nd4 f4 51.Kf2 a3=+) 50...f4 51.Kf2 a3 52.Bb3 Bc6 Black prepares f3 (52...g3 53.Kg2 Bc6 54.Kh3-+) 53.Ke1 (53.Kg1!?-/+) 53...f3-+ 54.Nd5?? (54.Kf2 Kf4 55.Ne2 fe2 56.Ke2 Bb5 57.Kf2 Ne4 58.Kg1 Nc5 59.d7 Ne6 60.Be6 Bd7 61.Ba2-+) 54...g3 (54...Bd5? 55.Bd5 Nd5 56.d7+-; 54...Nd5 55.d7 g3 56.d8Q Kg4 57.Kd2+- (57.Bd5?! f2 58.Ke2 Bb5 59.Ke3 f1Q 60.Qg8 Kh4 61.Qh7 Kg5 62.Qg7 Kh4 63.Qe7 Kg4 64.Qg7 Kh3 65.Qh8 Kg4 66.Qg7 Kh4 67.Qd4 Kh5 68.Bf3 Kg6 69.Be4 Kg5 70.Qg7 Kh4 71.Qe7 Kg4 72.Qg7 Kh3 73.Qh8 Kg4 74.Qg7 Kh4 75.Qe7 Kh3 76.Qh7 Kg4 77.Qg7=)) 55.Nc3 (55.d7 f2 56.Ke2 Bb5 57.Kd2-+) 55...g2 56.Kf2 Ng4 (56...Ng4 57.Ke1 g1Q 58.Kd2 Qf2 59.Ne2 fe2 60.d7 e1Q 61.Kd3 Ne5) 0–1. Pade,Joachim (1645) – Reichenbaecher,Thomas (1990), 21st Rhein–Main–Open, 2018. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

8.Bd3 Bd7

9.Ra2 Qc7 10.Ne2 Na5 11.0-0 Nc4 12.Nf4 g6 13.Nh3 Ne7 14.f4 h5 15.Ng5 Nf5 16.Re1 Be7 17.Rf2 a5 18.g4? (better is 18.Ra2-/+) 18...hg4-+ 19.Qg4 a4 20.Rg2 Rh4 21.Qf3 Bg5 (21...Bb5 22.Ra2-+) 22.Bf5 (22.fg5 b5-/+) 22...ef5 (22...Be7!? 23.Bd3-+) 23.fg5 Be6 24.Ra2 Qb6 25.Nd2 Nd2 26.Bd2 Qb3 27.Rea1 (27.Raa1 Rd4! 28.Reb1 Rg4 29.Qg4 Qb1 (29...fg4?? 30.Rb3 ab3 31.Ra8 Kd7 32.Ra4+-) 30.Rb1 fg4 31.Rb7 a3-+) 27...b5 (27...Rd4 28.Ra3 Rg4 29.Qg4 Qa3 30.Ra3 fg4 31.Kf2-+) 28.Qd1 (28.Qf1 Bd7-/+) 28...Qc4 (28...Qd1 29.Rd1 Kd7 30.Rb1-+) 29.Qf1 Rc8 30.Rb2 (30.Qf3 Rg4 31.Kf2 Bd7-+) 30...Qf1 31.Rf1 Bd7 32.Ra1 Kf8 33.Be1 Re4 34.Bd2 Kg7 35.Re1 Rg4 36.Kh1 Rh8 37.Re3? (37.Rf1-+) 37...Rh7 0–1. Zala,G (2070) – Papa,K (1915), 27th Budapest Spring Festival, 2011. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

9.Ne2 Rc8 10.0-0 a6 11.f4 g6 (11...Qc7 12.Ba3+=) 12.Nd2 Nge7 13.Nf3 (13.Ba3 Na7=) 13...Na5 14.g4 (14.Nd2!?=) 14...Nc4-/+ 15.Qc2 White plans f5 15...Bg7 16.Ng3 White intends f5 16...Qc7 17.f5 gf5 18.gf5 ef5 19.Nf5 Nf5 20.Bf5 h6 21.Ra2 Bf5 22.Qf5 Qd7 23.e6 (23.Qd7 Kd7 24.Nh4 Ke6-/+) 23...fe6 24.Re2 (24.Qg6!? Qf7 25.Qf7 Kf7 26.Ng5 Kg8 27.Ne6-/+) 24...Rc6 25.Nh4 (25.Qg6 Kd8 26.Rg2 Rg8-/+) 25...Kd8 26.Qh5 Nd6 (26...Qe8 27.Ng6 Rg8 28.Rg2-+) 27.Bd2 (27.Ng6 Rg8 28.Bh6 Bh6 29.Qh6 Nf5 (29...Rc3?! 30.Rf8 Rf8 31.Nf8-/+) 30.Qg5 Kc7-+) 27...Qe8 28.Ng6 White launches an attack 28...Rg8 29.Rg2 Ne4 (29...Nf5 30.Kh1-+) 30.Bh6 (30.Qh4 Kd7 31.Nf8 Kc8 (31...Bf8 32.Rg8 Be7 33.Qg4+/-; 31...Rf8?! 32.Rg7 Kc8 33.Rf8 Qf8 34.Bh6-+) 32.Bh6 Rc7-+) 30...Bh6 (30...Bf6 31.Rf6 Nf6 32.Qg5-+) 31.Qh6 e5?? (better is 31...Rc3 32.Qh4 Kc7-+) 32.Qh4= Kc7 33.Ne5 (33.Ne7!? Rg2 34.Kg2 ed4 35.Nc6 Kc6 36.Qh6 Nd6 37.Rf6 Qe2 38.Kg1 Qe1 39.Kg2 Qe4 40.Kf1 Qd3 41.Kf2=) 33...Rg2-/+ 34.Kg2 Qg8 (better is 34...Rc3!? 35.Rf7 Kb6+=) 35.Kh1+= Rc3?? (better is 35...Re6+=) 36.Qe7+- Kb6 (36...Kb8 37.Rf8 Rc8 38.Rg8 Rg8+-) 37.Rb1 Ka5 (37...Rb3 38.Rb3 Ka7 39.Qb7) 38.Qb4 1–0. Koltanowski,George – NN, simul blind CC Divan, 1941. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Bb4 6.c3 Bf8 7.d4 Nc6 8.Bd3 Bd7)

9.Ne2 Nge7 10.Ba3 (10.0-0 a6+=) 10...Rc8 (10...a6 11.0-0=) 11.h4 (11.0-0 Ng6=) 11...a6+= 12.Rh3 (12.Bd6 Na7+=) 12...Na7 13.Nf4 (13.Bc5 Ra8+=) 13...Ng6 (13...Nb5 14.Bb4+=) 14.Ng6 hg6 15.Bf8 Kf8 16.Qg4 Be8 17.Ra2 (17.h5 gh5 18.Rh5 Rh5 19.Qh5 Bb5+=) 17...Nb5 Attacks the backward pawn on c3 (17...Bb5 18.Bb5 Nb5 19.h5 gh5 20.Rh5 Rh5 21.Qh5-+) 18.Bc2 (18.h5 Nc3 19.Nc3 gh5 20.Rh5 Rh5 21.Qh5 Rc3-/+) 18...Rh6 19.Rf3 (better is 19.Ba4!?+=) 19...Rh4-+ 20.Qg6 (20.Qg3 Rh1 21.Kd2 Qc7-+) 20...Nc3! 21.Nc3 (21.Nc3 Rc3; 21.Rc3 Rh1 Double attack) 21...Rc3! 22.Qg3 (22.Rc3 Rh1 Double attack) 22...Rf3 23.Qf3 Rd4 24.Qc3 Rc4 25.Qa3 (25.Qe3 Bb5-+) 25...Qe7 26.Qh3 (26.Qb2-+) 26...Qb4 27.Ke2 (27.Kd1 Rd4 28.Kc1 Qe1 29.Kb2 Rb4 30.Bb3 Qf2 31.Ka3 Qc5-+) 27...Rh4 (better is 27...Bb5 28.Qh8 Ke7-+) 28.Qa3 Bb5 29.Bd3 (29.Kf3 Qa3 30.Ra3 Rh5-+) 29...Re4 30.Kf3 Bd3 31.Qd3 Re5 32.Rc2 (32.Qa3 Qa3 33.Ra3 d4-+) 32...Qe4 (better is 32...Qh4 33.Rc8 Ke7 34.Rc7 Kd8 35.Rb7 Re4 36.Qe4 Qe4 37.Kg3 g5-+) 33.Qe4 Re4 34.Rc8 Ke7 35.Rc7 Kf6 36.Rb7 Ra4 (36...a5 37.g4-+) 37.g4 (37.Ra7 a5-+) 37...g5 38.Kg3 (38.Ra7 a5-+) 38...a5 39.Ra7 Ra3 (39...Ra3 40.Kg2 a4-+) 0–1. Rodriguez Sorribes,J (2135) – Bruzon Batista,L (2590), 35th Open Manresa ESP, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Bd7)

9.Ne2 f6 10.Bf4 fe5 11.de5 g6 12.0-0 Bg7 13.Nd4 Nge7 14.Qe2 0-0 15.Qe3 Nd4 16.cd4 Nf5 17.Bf5 Rf5 18.Nc3 a6 19.Rac1 Rc8 20.Bh6 Bh6 21.Qh6 Rc4 22.Qe3 b5 23.Ra1 Qc8 24.Rfc1 Rf7 25.h3 Be8 26.Ne2 Rfc7 27.Rc4 dc4 28.Qa3 Ra7 29.Qe3 Ra8 30.Nf4 a5 31.d5 ed5 32.Nd5 Qb7 33.Qe4 (33.Nf6 Kh8 34.Ne8 Re8 35.Ra5=) 33...Kg7?? (33...Bc6 34.Ne7 Qe7 35.Qc6-/+) 34.Rd1 (34.e6 h5 35.Qe5 Kh7 36.Nf6 Kh6 37.g4 (37.Ne8?! Re8 38.Ra5 Qe7+=) 37...hg4 38.hg4+- (38.Ng4?! Kh7=)) 34...Rd8?? (34...Kh8 35.e6 Qg7 36.Ne3+/-) 35.Qd4 (better is 35.e6 Rd5 36.Rd5+/- (worse is 36.Qd5 Qd5 37.Rd5 Kf6+=)) 35...Rd5 36.e6?? (better is 36.Qd5 Qd5 37.Rd5+=) 36...Rd4-+ (36...Rd4 37.Rd4 c3-+) 0–1. Cabe – Glomp, playchess.de, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

9.Nf3 a6 10.0-0 b5 11.Ng5 Nh6 (11...Be7!? 12.Nf7 Kf7 13.Qf3 Nf6 14.ef6 Bf6=) 12.Nh7+= (worse is 12.Bh7 g6 13.f4 Be7-/+) 12...Rh7 13.Bh7 g6 14.g3 Nf5 15.Qg4 Nce7 16.h4 Ng7 17.Bg5 Bc6 18.Qf3 Qc7 19.g4 a5? (better is 19...Qa7!?+/-) 20.Qf6+- b4 21.cb4 Bb5 22.Rc1 Qb6 23.Rc5 (23.Qf4 a4+-) 23...Bc6 24.b5! (24.ba5?! Qb2 25.Ra3 Qd4= (25...Qb1? 26.Kh2+-)) 24...Bb5 25.Nc3 Bd3? (better is 25...Bc4+-) 26.Na4 Qb4 27.Rc7 Kd8 28.Re7! Be7 (28...Qe7 29.Qf7 Pinning (29.Qf7 Decoy); 28...Be7 29.Qg7 Deflection (29.Qg7 Overloading)) 29.Qg7 Bg5 30.Qg8 Ke7 31.Qa8 Qd4 (31...Bh4 32.Qa7 Kf8 33.Qc5 Kg7 34.Qb4 ab4 35.Nc5+-) 32.Qb7 Kf8 (32...Kd8 33.Qb6 Qb6 34.Nb6+-) 33.Qc8 Kg7 34.Qg8 Kh6 35.hg5 Kg5 36.Qd8 Kg4 37.Re1 Qa4 38.Qf6 (38.Bg8 Qb4 39.Re3 Qb1 40.Kh2 Bf5+-) 38...Bf5 39.f3?? (better is 39.Qf7 Kg5 40.Re3 Qd1 41.Kg2+-) 39...Kf3 40.Qg5?? (better is 40.Rf1 Ke2 41.Rf2 Kd3 42.Qg5 (worse is 42.Qf7 Qd1 43.Kh2 Be4-/+) 42...Qa1 43.Rf1 Qd4 44.Kg2=) 40...Qd4-+ 41.Kh1 Be4 42.Qg1 (42.Bg8 Qf2 43.Re4 Ke4 44.Qe7-+) 42...Qf2 (42...Qe5?! 43.Qe3 Kg4 44.Kg1-/+) 43.Bg6 (43.Re4 Qg1 44.Kg1 Ke4 45.Bg8-+) 43...Qh4 (43...Bg6? 44.Rf1 Qf1 45.Qf1 Ke4 46.Qe1 Kf4 47.Qa1+-; 43...fg6 44.Re4 Qg1 45.Kg1 Ke4 46.Kf2-+) 44.Qh2 Qe1 (44...Qe1 45.Qg1 Kf4 46.Be4 Qe4 47.Kh2 Qh7 48.Kg2 Qg6 49.Kf2 Qg1 50.Kg1 Ke5-+) 0–1. Gurkin,Anton (2175) – Busin,Pavel (2065), Pavlodar op, 2008. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Nc6 6.d4 Nb4 7.c3 Nc6 8.Bd3 Bd7)

9.Nf3 Nge7 =.

9.Nf3 f6 10.Nh4 Qb8 (10...Qc8!?+=) 11.Qh5+= Kd8 12.Ng6 (12.Qf7!? Kc7 13.ef6 Nf6 14.Bf4 e5 15.de5+=) 12...Be8+= 13.Qh3 (13.Bf4 Nh6 14.ef6 hg6-/+ (14...Bg6? 15.Qh4 Qf4 16.Qf4+-)) 13...Bg6-/+ 14.Bg6 fe5 15.0-0 Nf6 16.Bf7 Bd6 (16...ed4!? 17.Be6 Qe5-/+) 17.de5+= Ne5 18.Be6 Qc7 (18...Ng6 19.c4=) 19.Bg5 Nf7 (19...Qc4!=) 20.Bf6+/- gf6 21.Bd5 Qe7 22.Nd2 Ne5 23.Ne4 Kc7 24.Ra4 Rab8? (24...Bc5 25.Nc5 Qc5 26.Be4+-) 25.Rd1 (25.Ra7 Bc5 26.Ra2 Rhd8+-) 25...Rbd8? (25...Bc5 26.c4+-) 26.Qf5 (better is 26.Rb1!? Rb8 27.Ra7 Nd7 28.Bb7 Rhe8 29.Ba6 Kd8+-) 26...Qd7 (better is 26...Nc6+-) 27.Be6?? (better is 27.Qd7 Rd7 28.Nf6+- (28.Nd6?! Rd6 29.Ra7 Nc6+/-)) 27...Qe7 (better is 27...Qa4 28.Rf1 Kb8-+) 28.Nf6 (better is 28.Rad4+-) 28...Bc5?? (better is 28...Kb8 29.Nd5 Qg7+-) 29.Qe5 1–0. Capuano,Fausto – Sant'Anna,Eddie (2095), Pan American–ch U18, 1998. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Bd7)

9.Nf3 h6 10.0-0 Nge7 11.Ba3 Nc8 12.Bf8 Kf8 13.Qd2 Rb8 14.Na3 a6 15.Rfb1 g6 16.Qf4 Kg7 17.Nc2 Qe7 18.h4 Be8 19.Ne3 h5 20.g4 Ra8 21.gh5 Rh5 22.Ng4 Ra7 23.Nf6 Rh6 24.Ng8 Kg8 25.Qh6 Qf8 26.Qf4 b5 27.h5! gh5 28.Kh2 N8e7 29.Rg1 Ng6 30.Nh4 Nce7 31.Qg5 Qg7 32.Rg3 a5 33.Qh5 Kf8 34.Ng6 fg6 35.Qf3 Kg8 36.Qg4 Nf5 37.f4 a4 38.Kg2 Ra8 (better is 38...Ng3!? 39.Qe6 Qf7 40.Qf7 Kf7 41.Kg3 a3=) 39.Bf5+/- ef5 40.Qg5 Rb8 41.Re3 a3? (41...b4 42.cb4 Rb4 43.Rd1+/-) 42.e6 (42.Ra3 b4 43.cb4 Qc7+-) 42...Kf8? (42...b4 43.cb4 Qd4 44.Raa3 (44.Rea3?! Rb4 45.Qg3 Rb2 46.Kh1 Qe4 47.Kg1 Qe6=) 44...Qd2 45.Kh3+/-) 43.Qh4 (better is 43.Ra3 Kg8 44.Re5+-) 43...b4 44.cb4 Qd4 (44...Qd4 45.Raa3 Rb4+-). Serrano Bozada,Esteban (2185) – Fidalgo Fernandez,Javier (2280), ESP–ch universities, 2008. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 Bd7)

9.f4 Rc8 10.Ba3 Ba3 11.Ra3 a6 12.Nf3 Na7 13.Qd2 Bb5 14.Bc2 Ne7 15.Rg1 Nac6 16.g4 White intends f5 16...Na5 17.Qf2 Nc4 18.Ra2 Qd7 19.Nh4 White plans f5 19...f6 20.f5? (better is 20.ef6 gf6 21.g5-/+) 20...fe5-+ 21.fe6 Qe6 22.Nf5 ed4 23.Kd1 Ne3 24.Kc1 0-0 25.Re1 (25.Nd4 Rf2 26.Ne6 Rh2-+ (26...Nc2?! 27.Rc2 Rc2 28.Kc2-+)) 25...N7f5 26.gf5 Qh6 27.Kb2 (27.Qd2 Qh4 28.Rg1 Nf5-+) 27...Nc2 (27...dc3 28.Ka1 d4 29.Na3-+) 28.Qc2 (28.Kc2 dc3 29.Na3 Bd7-+) 28...dc3 29.Nc3 d4 0–1. Barberis,V (1785) – Ribeiro,Ro (2200), Avoine FRA, 2012. (=1.e4 c5 2.a3 e6 3.b4 cb4 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

9.f4 Nge7 10.Nf3 Nc8 11.0-0 Be7 12.Na3 a6 13.Nc2 Ra7 14.Ne3 White prepares the advance f5 14...b5 15.f5 Nb6 16.Qe1 Qc8 17.Qg3 Nd4? (better is 17...Bf8=) 18.cd4+- Qc3 19.Qg7 Rf8 20.fe6 (20.f6 Bd6 21.ed6 Qa1+-) 20...fe6 21.Bh7 Qa1 22.Ng4 (22.Nc2 Qc1 23.Rc1 Kd8+-) 22...Qc3? (better is 22...Bc8 23.Bg6 Kd7 24.Qe7 Ke7 25.Bg5 Kd7 26.Ra1 Kc6+-) 23.Bg5 Bg5 24.Bg6 Kd8 25.Qf8 Kc7 26.Qd6 (26.Ng5?! Qd4 27.Nf2 Qe5+-) 26...Kb7 27.Ng5 Qd4 28.Nf2 a5 29.Ne6 Be6 30.Qe6 a4 31.Rc1 b4 (31...Nc4 32.Rb1 Qc5+-) 32.Qc6 Ka6 (32...Kb8 33.Qd6 Ka8 34.Qd8 Kb7 35.Rc7 Ka6 36.Bd3 Qd3 37.Ra7 Ka7 38.Nd3 Ka6 39.Nb4 Kb5+-) 33.Bd3 1–0. Wigbout,Max – Ker,Anthony F, NZL–chB New Zealand, 1980. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

9.Qg4 f5 10.Qh3 Rc8 11.Ne2 a6 12.g4 g6 13.gf5 ef5 14.Rg1 Bg7 15.Na3 Na5 16.Rb1 b5 17.Bc2 Ne7 18.Bh6 Rg8 19.Bg7 Rg7 20.f4 Nec6 21.Rd1 Qe7 22.Nb1 b4 23.Bd3 Nc4 23...Ra8 24.Nd2-/+) 24.cb4 (better is 24.Bc4 dc4 25.d5=) 24...Nb4 25.Bc4 Rc4 26.Kf2 Bb5 27.Na3 Rc6 28.Nb5 ab5 29.Ra1 Qb7 30.Rgb1 Nc2 31.Ra5 b4 32.Rd5 Na3 33.Qa3 (better is 33.Re1=) 33...ba3-+ 34.Rb7 Rb7 35.Ra5 Rb3 36.d5 Rc2 37.e6? (37.Ra8 Kd7 38.e6 Kd6 39.Ra6 Kd5 40.e7-+) 37...Rbb2 38.Ra8 Ke7 39.Ra7 Kd6 40.Rd7 Kc5 (40...Kc5 41.Rc7 Kd5 42.Rc2 Rc2-+) 0–1. Hardy,Otto H – Brady,Cormac A, London SCCU op, 1993. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

9.Qg4 h5 10.Qg3 h4 11.Qf3 Nh6 12.Nh3 Be7 13.0-0 a6 14.Nf4 Qc7 15.Nh5 0-0-0 (15...Kf8!?=) 16.Ng7+= Rdg8 17.Nh5 Ng4 18.Nf4 (18.Qf7 Nge5 19.de5 Ne5-+) 18...Nce5 19.de5 Ne5 20.Qe2 Nd3 21.Nd3 (worse is 21.Qd3 Bb5 22.Qf3 Bf1 23.Kf1 Qc4 24.Kg1 Bd6-/+) 21...Bd6 22.f4 f6 23.Ba3 Re8 24.Bd6 Qd6 25.Nd2 e5 26.Rfc1 e4 27.Nb4 Rhg8 28.Kh1 Rg4 29.Nf1 e3 (better is 29...Rf4!? 30.Ne3 Bb5+-) 30.Ne3 Qc5 31.Nbc2 (better is 31.Ra6!? ba6 32.Qa6 Kd8 33.Qf6 Kc8 34.Ng4 Bg4+-) 31...Rf4 32.Qd2 h3 33.g3 (33.Nd5? hg2 34.Qg2 Rf2-+; 33.Qd5?! hg2 34.Kg1 Qb6+=) 33...Rfe4 34.Re1 (34.Nd5 Bc6 35.Nce3 Re3-+) 34...f5 35.Nd4 (35.Nd5? Re1 36.Re1 Re1 37.Ne1 Bc6-+) 35...f4 36.gf4 Rf4 37.Rf1 Rfe4 38.Rae1 Qe7 39.Nf3?? (39.Nef5 Qe5 40.Re4 Qe4 41.Kg1 Bf5 42.Nf5 Kb8+/-) 39...Qc5?? (better is 39...Re3 40.Re3 Qe3-+) 40.Nc2 (40.Nd5? Re1 41.Re1 Re1 42.Ne1 Bc6-+) 40...Bc6 41.Nfd4 Bd7 42.Qf2 Qc7 43.Qd2 Qc5 44.Re3 Kb8 45.Ref3 ½–½. Vavruska,Antonin (2165) – Symbor,Przemyslaw (2240), Stare Mesto op, 2004. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6)

9.Nh3 a6 10.Ng5 (10.0-0 Nge7=) 10...g6 (10...Be7 11.Nf7 (worse is 11.Nh7 g6-/+) 11...Kf7 12.Qh5 g6 13.Bg6 Kg7 14.Bd3-/+) 11.Qf3 (11.0-0 b5=) 11...Nh6 (11...f5 12.0-0=) 12.h4 (12.0-0 Bg7=) 12...Be7 (12...Rc8!? 13.Be3 Qe7=) 13.Ne6= Be6 14.Bh6 Qd7 (14...Qb6 15.Bc1=) 15.Nd2 (15.Bg5 0-0=) 15...Bg4 (15...Qd8 16.h5+=) 16.Qe3 (16.Qf4 Rg8+=) 16...Bf5 17.Be2 Na7 (17...Rg8 18.Bg5+=) 18.Nb3 (18.Bg7!? Rg8 19.Qh6+/-) 18...Bc2 (18...Be4 19.Rh2+=) 19.Nd2 Nb5 (better is 19...Bf5!?=) 20.Rc1 (20.Bg7!? Rg8 21.Bf6 Bf6 22.ef6 Kd8 23.Nf3+=) 20...Bf5+= 21.f3 (21.Bg7 Ba3 22.Ra1 Rg8+=) 21...Rc8 Attacks the backward pawn on c3 22.g4 Ba3 23.Bb5 Qb5 24.Ra1?? (better is 24.c4 Qb4 25.Rc3+=) 24...Bb2-+ 25.Ra2? (better is 25.c4 dc4 26.gf5 Ba1 27.0-0-+) 25...Rc3 26.Qf4 Be6 (better is 26...Rc1 27.Kf2 Rh1-+) 27.Qf6 (27.Kf2 Rd3-+) 27...Rg8 (27...Rc1 28.Kf2 Bd4 29.Be3 Be3 30.Ke3 Rh1 31.Qh8 Kd7 32.Kd4 Qb4 33.Kd3-+) 28.Kf2 (28.Bg5 Kd7 29.Kf2 Rc7-+) 28...Rc2 (28...Rd3 29.Bg5 Bd4 30.Kg2-/+) 29.Bg5 Kd7 (worse is 29...Bd4 30.Kg3 Be5 31.Qe5+/-) 30.Rb1?? (better is 30.Qe7 Kc8 31.Kg3-+) 30...Bd4 (better is 30...Rd2 31.Kg3 Rc2 32.Qe7 Kc8 33.Rc1 Rc1 34.Bc1 Bd4 35.Rc2 Kb8 36.Bf4-+) 31.Ke1 (31.Kg3 Qb1 (31...Ra2?! 32.Rb5 ab5 33.f4-+) 32.Qe7 Kc8 33.Nb1 Ra2-+) 31...Qb1! (31...Ra2 32.Rb5 ab5 33.f4-+) 32.Nb1 Ra2 33.Qe7 (33.Nd2 Rc8-+) 33...Kc8 34.Qb4 (34.Bf6 a5 35.Kd1 h5-+) 34...Ba7 (better is 34...Be5 35.Nc3 Rc2 36.Na4-+) 35.Be7 (35.Nc3 Rh2-+) 35...Kb8 (35...Bf2 36.Kd1-+) 36.Bd6 (36.Nc3 Ra1 37.Kd2-+) 36...Ka8 37.Nc3 Rc2 (37...Ra1 38.Kd2-+) 38.Kd1 Rf2 39.Na4 Rc8 (39...Rf3 40.Bc5 Rh3 41.Nb6 Bb6 42.Qb6 Bg4 43.Ke1+=) 40.Nb6 (40.Nc5 Bc5 41.Bc5 Rf1 (41...Rf3?! 42.Qb6 Rc5 43.Qc5-+) 42.Ke2 Rc1-+) 40...Bb6 41.Qb6 Rfc2 (41...Rf3?! 42.Bc5 Rc5 43.Qc5-+) 0–1. Andersen,Preben (2055) – Duncan,Christopher R (2340), Taastrup, 1997. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Bd7)

9.Nh3 Nge7 10.0-0 +=.

8.Bd3 Nge7

9.Ra2 a6 +=.

9.Ba3 Ng6 10.Bf8 Nf8 11.Na3 a6 (11...Nd7!?+=) 12.Nb5+= Qg5?? (12...Ng6!?+=) 13.Nd6 (better is 13.Nc7 Kd8 14.Na8 Qg2 15.Qf3 Qf3 16.Nf3+-) 13...Ke7+/- 14.Nf3 Qh5 15.Qb3 Nd7 16.0-0 (16.Nb7 Bb7 17.Qb7 Na7+-) 16...f6+= 17.Nc8 Rhc8 18.ef6 gf6 19.Rfe1 (19.Qb7 a5 20.Rfb1 Rab8+=) 19...b5 (19...Rg8!? 20.Re3 Nd8=) 20.Qa3+/- Kf7 21.Qd6 Nf8 22.Bb5 ab5 23.Ra8 Ra8 24.Qc6 Re8 (24...Ra3!?+=) 25.Qb5+/- Ng6 26.Re3 Nf4 27.Qd7 Re7 28.Qd6 Qg4 29.g3 Nh3 30.Kg2 Ra7 31.Re2 h5 (31...Kg7 32.Qb8 Rf7 33.Re3+/-) 32.Rb2 Ng5 33.Ng5 fg5 34.Qb8 Rd7 35.Qe5 (35.Qc8 Re7+/-) 35...Qe4 (35...Qf5 36.Qe3+/-) 36.Qe4 de4 37.Re2 Rc7 38.Re3 Kf6 39.h3 Kf5 40.f3 ef3 41.Kf3 g4 42.hg4 hg4 43.Ke2 Ra7 44.Kd3 Ra3 45.Re5 Kf6 46.Rc5 Ra2 (better is 46...Ra1!? 47.Ke4 Rf1+/-) 47.Ke3+- Ra8 48.Kf4 Rg8 49.Rc6 (49.c4 Re8+-) 49...Ke7 50.Rc7 Kd6 51.Rc5 Kd7 52.Re5 Rc8 53.Re3 (53.Kg4?! Rc3 54.Kf4 Rd3+-) 53...Rg8 (53...Rc4 54.Rd3+-) 54.c4 Rg7 55.Re5 Re7 56.Kg4 Kc7 57.Re4 Rg7 58.Kf4 Kd6 59.g4 Rc7 60.c5 Kd5 (60...Ke7 61.Re5 Kf6 62.g5 Kf7 63.g6 Kf6 64.Rg5+-) 61.Ke3 Re7 62.Re5 Kc4 (62...Kc6+-) 63.c6 Rg7 (63...Kb4 64.Rc5 Re8 65.c7+-) 64.g5 (better is 64.Rc5!? Kb4 65.c7 Rg8+-) 64...Rh7 (64...Kb4 65.Rc5 Rc7 66.Kf4+-) 65.Rc5 (65.Rc5 Kb4 66.c7 Rh3 67.Kf4 e5 68.Ke5 Re3 69.Kd6+-) 1–0. Haemmerlein,Thomas – Matzkowiak,Roman, Berlin–chT, 1995. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6 7.Bd3 d5 8.e5 Nge7)

9.Ne2 Bd7 10.0-0 Qc7 (10...Qb6 11.Re1+=) 11.Na3 (11.Ba3 Qc8=) 11...Nc8 (11...Nf5 12.Nf4 Nce7 13.Nb5 Bb5 14.Bb5 Nc6 15.Qf3=) 12.f4 (12.Nb5 Qb6=) 12...h5 (12...Be7 13.Be3+=) 13.f5 (13.Nb5 Qb6=) 13...ef5+= 14.Bf5 Bf5 15.Rf5 Qd7 16.Qf1 (16.Rf3 Nb6+=) 16...Na5 (16...h4 17.Qf3+=) 17.Rb1 (17.Qf3 Nb3 18.Ra2 g6-/+) 17...Nb6 (17...Ba3 18.Ba3 Nc4 19.Bc1+=) 18.Nb5 Nac4 19.Ng3 (19.Qf4 Rc8=) 19...h4 20.Nh5 Nc8 21.Nd6 N8d6 22.ed6 Nd6 (22...h3 23.Rd5 Nd6 24.Bg5 Rh5 25.Re1 Be7 26.Rd6 Qd6 27.Re7 Qe7 28.Be7+-) 23.Re5 (23.Rd5 h3 24.Bg5 Rh5 25.Re1 Be7 26.Rd6 Qd6 27.Re7 Qe7 28.Be7 Rd5+-) 23...Kd8+= 24.Nf6 (better is 24.Rd5 h3 25.Bg5 Kc8 26.Bf4=) 24...gf6?? (better is 24...Qc6 25.Qf3 h3=) 25.Qf6+- Kc7 26.Qh8 Nc4 (26...Qg4 A) 27.Rd5 Qd1 28.Kf2 Qc2 29.Bd2 Ne4 (29...Qd2?! 30.Kg1-+) 30.Ke3 Qd2 (30...Nd2?? 31.Qe5 Kc6 32.Rc5 Bc5 33.Qc5 Kd7 34.Rb7 Kd8 35.Qf8) 31.Ke4 Qe2 32.Kf5 Qc2 33.Kf4 Bd6 (33...Qb1?! 34.Qe5 Kc6 35.Rc5 Bc5 36.Qc5 Kd7 37.Qd5 Ke8 38.Qe5 Kd8 39.Qd6 Kc8 40.Qc5 Kd7 41.Qd5 Kc7 42.Qc5 Kd7=) 34.Qe5 Be5 35.de5 Qb1-+; B) 27.Bg5+-) 27.Re1 (27.Qh4?! Ne5 28.Bf4 Re8+=) 27...b6 (27...h3 28.Bf4 Kc6 29.Qf6 Bd6 30.Bd6 Nd6 31.c4+-) 28.Bf4 Kb7 29.Qh4 a5 (29...Qf5 30.Rf1+-) 30.Qh5 a4 31.Rf1 (31.Bg3 Bg7+-) 31...a3 (31...f6 32.Bh6 Be7 33.Rbe1+-) 32.Bc1 (32.Bg3 f6 33.Rf6 Be7+-) 32...a2 (32...f5 33.Rf5 Qe8 34.Qh7 Ka6 35.Qg8+-) 33.Ra1 Kc6 34.Rf7 (34.Rf7 Qe6 35.Bg5+-) 1–0. Guglielmi,Riccardo (2100) – Fiol,Fabrice (1970), Cannes op, 1990. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6N 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.Ne2 Nf5 10.0-0 Be7 11.h3 g6 12.Nd2 0-0 13.Ra2 Rb8 14.g4 Ng7 15.f4 f5 16.Nf3 b5 17.Ng3 a5 Black intends b4 18.Rg2 b4 19.cb4 Nb4 20.Kh2 Nd3 21.Qd3 Bd7 22.Rfg1 a4 23.gf5 Rb3 24.Qd1 ef5 25.Nd2 Rd3 26.Nh5 Be8 (26...Qb6 27.Ng7 Kg7 28.Qf1 Qd4 29.Nf3-+) 27.Qe2 (27.Ng7 Kg7 28.Bb2 Bb4-+) 27...Rc3 (27...Bb5 28.Ng3-+) 28.Nf6 Bf6 29.ef6 Qf6 30.Nf3 Ne6 31.Ne5? (31.Bd2 Rb3 32.Qf2 Bb5-+) 31...Rc1! (31...Nd4?! 32.Qd2 Rc4 33.Qd1-+) 32.Rc1 Nf4 (32...Nd4 33.Qd3 Nb3 34.Qd5 Bf7 35.Nf7 Nc1 36.Ne5 Kg7 37.Nd7+=) 33.Qf3 Ng2 34.Qd5 Bf7 35.Qg2 Qd6 36.Qf2 Bd5 37.Rg1 a3 38.Qf4 (38.Re1 Rb8 39.Re2 Qa6-+) 38...Qb8 (better is 38...Rb8 39.Qc1 a2 40.Kg3-+) 39.h4 (39.Qd2-+) 39...a2 40.Ng6 (40.Qd2 Qb1 41.Qc3 Rb8-+) 40...hg6 41.Rg6 Kf7 42.Rd6 (42.Qb8 Rb8 43.Ra6-+) 42...Qb2 0–1. Frink,Ferenc (2170) – Dobrovolsky,Ladislav (2380), Tatry op Tatranske Zruby, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6 8.Bd3 Nge7)

9.Ne2 Nf5 10.Nf4 Be7 11.g3 0-0 12.Qh5 Na5 13.Qd1 Nc4 14.Qc2 h6 15.h4 b5 16.Nd2 a5 Black prepares b4 17.Nf3 b4 18.g4 Nh4 19.Nh4 Bh4 20.cb4 Ba6 21.ba5 Na5 22.Ba6 Ra6 23.Nh5 Ra8?? (better is 23...Bg5 24.Qe2 Ra8-/+) 24.Bh6+/- Rc8 25.Qd3 g6? (better is 25...Nc6 26.Bg7 Nb4+-) 26.Nf6! Bf6 27.ef6 (27.Bf8 Qf8 28.ef6 Qb4 29.Kf1 Qc4 30.Qc4 Nc4+- (worse is 30...Rc4 31.Kg2 Rd4 32.Ra5 Rg4 33.Kf1 Rg1 34.Kg1 e5 35.Ra8)) 27...Qf6 28.Ra5 (better is 28.Bf8!? Kf8 29.g5 Qg5 30.Rh8 Kg7 31.Rc8 Nc4+-) 28...Rc4 29.Be3 (29.Bg5 Qg7 30.Be3 Rfc8+-) 29...Rfc8 30.Ra1 Qf3 31.Rg1 Rc1 32.Kd2 ½–½. Koltanyi,Imre (2065) – Hargittai,Szabolcs (2205), HUN–chT2 Erkel, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.Ne2 Nf5 10.g4 Nh4-/+ 11.f4 (11.0-0 h5 12.gh5 Rh5=+) 11...Be7 (11...h5 12.g5-/+) 12.0-0 f5 (12...h5 13.gh5 Rh5 14.Ng3-/+) 13.ef6=+ gf6 14.Ng3 0-0 15.Nd2 (15.g5!? Rf7 16.Qh5=+) 15...e5 16.fe5 (16.Bb2 e4 17.Nde4 de4 18.Ne4 Kh8-/+) 16...fe5-+ 17.Nf5 (17.Rf8 Qf8 (17...Kf8?! 18.Bh7 ed4 19.cd4=+; worse 17...Bf8 18.Kh1-/+) 18.Qb3 Qf7-/+) 17...Nf5 (17...Bf5 18.gf5 Kh8 19.Kh1-+) 18.Bf5 (18.gf5 Kh8-+) 18...Bf5 (18...ed4!? 19.c4-+) 19.gf5 Kh8 (19...ed4 20.cd4 Qd7 21.Kh1-+) 20.de5-/+ Ne5 21.Nf3 (21.Nb3 Qc8 22.Bf4 Rf5-/+) 21...Bc5 (21...Rf5 22.Ne5 Qb6 23.Kh1 Re5 24.Bf4=+) 22.Nd4 (better 22.Kh1!? Rf5 23.Ne5 Re5 24.Bf4-/+) 22...Qh4-+ 23.Bf4 (23.Rf4 Rg8 24.Kh1 Ng4-+) 23...Rf5 24.Qd2 (24.Be5 Re5 25.Kh1 Rg8-+) 24...Nc4 25.Qf2 Qg4 (better 25...Rg8 26.Kh1 Qf2 27.Rf2 Rf7-+) 26.Kh1? (26.Qg3 Rg8 27.Kh1 Bd4 28.cd4-+) 26...Raf8 27.Rg1 (27.Qg3 Rf4 28.Rf4 Rf4 29.Ne6 Qe6 30.Qf4 Qe4 31.Qe4 de4 32.Kg2-+) 27...Qf4 28.Qg2 (28.Qf4 Rf4 29.Ne6 Bg1 30.Nf4 Rf4 31.Kg1 a5-+) 28...Qe4 (better 28...Bd4!? 29.cd4 Qd4 30.Rad1-+) 29.Nf5 (29.Qe4 de4 30.Nf5 Bg1-+) 29...Bg1 30.Rg1 (30.Qe4 de4 31.Ng3 Bb6 32.Ne4 a5-+) 30...Qg2 (better 30...Rf5!? 31.Qe4 de4 32.h3-+) 31.Rg2 (31.Kg2 Rf5 32.Kh3 Rf3 33.Kg4 Ne5 34.Kh4 Rc3-+) 31…Rf5 (31...Rf5 32.Re2 a5-+) 0–1. Janiszewski,Maciej (2095) – Barski,Radoslaw (2410), 5. Poland–HUN Open, 2017. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6 8.Bd3 Nge7)

9.Ne2 g6 10.0-0 Bg7 11.f4 0-0 12.g4 (12.Nd2 f6+=) 12...f5 13.ef6 Rf6 14.Nd2 Qc7 15.Nf3 Bd7 16.Qe1 Rf7 17.Be3 h6 (17...a5 18.Qh4-/+) 18.Qh4 Raf8 The pressure on f4 grows 19.Kg2 Bf6 (19...b6 20.Ne5 g5 21.fg5 Ne5 22.de5 Qe5 23.Rf7 Rf7 24.Qg3 Qg3 25.Kg3 hg5 26.Ra7-/+) 20.Qh3 (20.Qh6?? Rh7 21.f5 Rh6 22.Bh6 Bg7 23.Bg7 Kg7 24.fg6 Ng6 25.Bg6 Kg6 26.Ne5 Kg7 27.Rf8 Kf8 28.Nc6 Bc6 29.Rf1 Kg8-+) 20...Na5 (better is 20...Rh7!?+=) 21.Ne5+/- White begins to deal mighty blows (21.Qh6? Rh7 22.f5 Rh6 23.Bh6 ef5 24.Bf8 Kf8-+) 21...Be5 22.fe5 Rf1 23.Rf1 Rf1 24.Kf1 h5 (better is 24...Qc8!?+/-) 25.gh5+- Nf5 26.Bf5 ef5 27.hg6 Do you see the mate threat? 27...Bb5 28.Qf5 Be2 (28...Qe7+-) 29.Ke2 Qc4 (29...Nc6+-) 30.Kf2 Qc7 31.Bh6 1–0. Koltanowski,George – Kearns, simul blind, 1938. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.Ne2 Ng6 10.Nd2 Be7 11.Nf3 0-0 12.h4 Re8 13.Qc2 Nf8 14.Ng5 Bg5 15.Bg5 Qc7 16.Qd2 Nb8 17.Qf4 Nbd7 18.Qg4 a6 19.Rh3 Ng6 20.h5 Nde5 21.de5 Ne5 22.Qd4 Nd3 23.Rd3 e5 (better is 23...h6!? 24.Bc1 Qh2=) 24.Qd5+/- Bf5 25.Rg3 Re6 26.Rd1 h6 27.Bc1 Rae8 28.Kf1 Bc2 29.Rd2 Ba4 30.Kg1 Bb5 31.Ba3 Bc4 32.Qc5 Rc6 33.Qe3 Ree6 34.Qe4 b5 35.Qg4 f6?? (35...g6!?+/-) 36.Kh2 (36.Rd8 Re8 37.Re8 Kh7 38.Qg6) 36...Qf7?? (better is 36...g5+-) 37.Qg6 (37.Rd8 Re8 38.Re8 Kh7 39.Qg6 Qg6 40.hg6) 37...Qg6 38.Rg6 f5 39.Ng3 (39.Ng3 Rg6 40.hg6 Rg6 41.Nf5+/-) 1–0. Vostruhin,Oleg (2115) – Rudnev,Yuri (2155), Voronezh op–B, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

9.Nf3 Bd7 10.0-0 Nf5 11.Nbd2 g5 12.g4 Nh6 13.h3 f5 14.gf5 Nf5 15.Nh2 Qe7 16.Nb3 Qf7 17.Ba3 Ba3 18.Ra3 h5 19.Nc5 Nd8 20.Bf5 Qf5 21.Nd7 Kd7 22.c4 g4 (better is 22...dc4!? 23.Qa4 Nc6-/+) 23.cd5= ed5 (23...gh3? 24.Qa4 Nc6 25.dc6 bc6 26.Rg3+-) 24.hg4 hg4 25.Qg4 Ke6 26.Rf3 Qg4 27.Ng4 Nc6 28.Rf6 Ke7 29.Rd1 Rhg8 30.f3 a5 31.Kf2 a4 32.Ne3 Rad8 33.Rb1 Rd7 34.Nf5 Kd8? (better is 34...Ke8 35.Ra1 Rf8 36.Nd6 Rd6 37.Rd6 Nd4 38.Ra4 Rf3 39.Kg2 Rd3 40.Rd5 Rd2 41.Kf1 Nf3 42.Rd2 Nd2 43.Ke2 Nb3+-) 35.Rc6! bc6 36.Rb8 Kc7 37.Rg8 Rh7 (37...Rd8 38.Rg7 Kb6+-) 38.e6 1–0. Gietl,Thomas (2305) – Mueller,Marcus2, Mittelfranken–ch M1, 1997. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 Bb4 5.c3 Bf8 6.d4 d5 7.e5 Nc6 8.Bd3 Nge7)

9.Nf3 f6 +=.

9.Nf3 g6 10.0-0= Bg7 11.Bg5 Qc7 (11...0-0 12.Nbd2=) 12.Qd2 (12.Na3 0-0=) 12...h6 (12...0-0 13.Na3=) 13.Bf4 (13.Be3 Na5 14.Qc2 Bd7=) 13...Bd7 (13...g5 14.Be3=) 14.h4 (14.Na3!? Na5 15.Rfb1=) 14...Na5+= 15.Qc2 a6 16.Nbd2 0-0 17.Nh2 (17.Ra3 Nc4 18.Nc4 dc4+=) 17...Nac6 (17...Rfc8 18.Rfc1+=) 18.Ng4 (18.Ndf3 Rfc8+=) 18...f5 (18...h5 19.Ne3+=) 19.Ne3 Nd8 (19...Rfc8 20.Nb3+=) 20.Nb3 (20.Rfb1 Bc6+=) 20...Nf7 21.Nc5 g5 22.hg5 hg5 (worse is 22...Ng5 23.c4=) 23.Bh2 (23.Nd7 Qd7 24.Bh2 b5+=) 23...Be5-/+ 24.Be5 (24.de5 Qc5 Deflection (24...Qc5 Overloading); 24.Be5 Ne5 Combination) 24...Ne5 25.Rfb1 (25.Rfe1 Nd3 26.Qd3 Rf6-/+) 25...Ra7 (25...Nd3?! 26.Rb7 Qc8 27.Qd3+= (27.Rd7? Nc5 28.Re7 Qd8-+)) 26.Na6 (26.Re1 Nd3 27.Qd3 Rf6-/+) 26...ba6 27.de5 Qe5 (27...a5 28.Re1-/+) 28.Ra6 Rc7 (28...Ra6 29.Ba6 Rf7 30.c4-/+) 29.c4 (29.Ra3 Rfc8 30.c4 dc4 31.Bc4 f4-/+) 29...Rfc8 (29...d4 30.Nf1+=) 30.Qd2 d4 (30...Qg7 31.cd5 ed5 32.g4+=) 31.Nc2 (31.Nf1 Qf4 32.Qe2 g4+=) 31...Qg7-/+ 32.Rd6 Nc6 (32...e5 33.c5-/+) 33.Nb4 (33.c5 e5+=) 33...Ne5-/+ Attacks the isolani on c4 34.Na6 (better is 34.Rd4!? Nf3! 35.gf3 Qd4 36.Qg5 Kf7 37.Kf1-/+) 34...Nc4-+ 35.Bc4 (35.Qb4 Nd6 36.Nc7 Qe7-+) 35...Rc4 36.g3 (36.Rb8 e5-+) 36...R8c6 (36...e5 37.Nb4-+) 37.Rb8 (better is 37.Rd7 Qd7 38.Nb8-+) 37...Rc8 38.Rb3?? (38.Rb1 e5 39.Nb4-+) 38...Rc1-+ 39.Kg2 Bc6 (39...Qh6 40.Qg5 Qg5 41.Rd7 Qh5 42.Rg7 Kg7 43.Rb7 Kf6 44.Rh7 Qh7 45.g4 Qh1 46.Kg3 R8c3 47.Kf4 e5) 40.Rc6 (40.f3 Qh6 41.Qc1 Bf3 42.Rf3 Rc1 43.Rf1 Rc2 44.Rf2 Rf2 45.Kf2 Qh2 46.Kf1 Qg3 47.Rb6-+) 40...Qb7 (better is 40...R1c6 41.Nb4 Rc4-+) 41.Qg5 (41.Rb7 Rc7 42.Qg5 Kh8 43.Qf6 Kg8 44.Qg6 Kf8 45.Rb8 Rc8 46.Rbc8 Ke7 47.Qe6) 41...Kh7 (41...Qg7 42.Qc1 Rd8+-) 42.Qh5 (42.Rb7 Rc7 43.Rbc7 Kh8 44.Qg7) 42...Kg7 (42...Kg8 43.Rb7 Rc7 44.Qg6 Kf8 45.Rb8 Rc8 46.Rbc8 Ke7 47.Qe6) 43.Qg5 Kf7?? (43...Kh7 44.Rb7 Rc7 45.Rbc7 Kh8 46.Qg7) 44.Qh5 (44.Rb7 Rc7 45.Rbc7 Ke8 46.Qe7) 44...Kg7 45.Qg5 Kh7 46.Qh5 +-. Brenc,Tomislav – Biti,Ozren (2260), CRO–chT Pula, 1999. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.Nf3 Ng6 10.h4 Be7 11.h5 Nh4? (better is 11...Nf8=) 12.Nh4+- Bh4 13.Qg4 Be7 14.Qg7 Kd7 15.Qf7 Qf8 16.Qf8 Rf8? (16...Bf8 17.h6+-) 17.Ba3 (better is 17.Bh7!? b5 18.Be3+-) 17...Ba3 18.Na3 a6? (18...h6 19.Nb5+-) 19.Nb5! h6 (19...ab5 20.Ra8 Pinning (20.Ra8 Deflection; 20.Ra8 Clearance)) 20.0-0 Ke7 21.Nd6 Nd8 22.Rfb1 Rg8 23.Bg6 Rg7 (23...a5 24.Ra3+-) 24.f4 Kf8 25.g4 White prepares the advance f5 25...Rc7 26.Rb3 Bd7 27.f5 b5 28.f6 Nb7 (28...Rc6 29.g5! hg5 30.Rba3+-) 29.g5! Nd6 (29...hg5 30.h6 Passed pawn) 30.ed6 Rc6 31.gh6 Kg8 32.Rb5 Rf8 33.Rb7 Rd6 34.Ra6! Ra6 35.Rd7 Rc6 (35...Ra1 36.Kg2 Ra2 37.Kg3+-) 36.Rg7 Kh8 37.Rh7 Kg8 38.f7 Rf7 39.Rf7 (39.Rf7 Rc8 40.Rf6+-; worse is 39.Bf7 Kh7 40.Kf2 Kh6-+ (40...Rc3?! 41.Be6 Rc4 42.Ke3=)) 1–0. Marshall,Frank James – Taylor,J, simul Chicago, 1915. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6 8.Bd3 Nge7)

9.Nf3 Ng6 10.h4 Nge7 11.Na3 (11.Ng5 h6 12.Nh7 Nf5 13.Nf8 Kf8 14.Ba3 Kg8=) 11...Bd7 Black has a cramped position. Black's piece can't move: f8 12.Nb5 White has a mate threat 12...Nc8 Black has a cramped position (12...Nf5 13.Bf5 ef5 14.Bf4+=) 13.Ng5 f5?? (better is 13...Qb6 the rescuing straw 14.Rb1 Qa5+=) 14.ef6!+- Double attack: h7/e8. . . . . . (14.ef6 Qf6 15.Nh7 Rh7 16.Bh7+-) 1–0. Valera,Jesus – Romero,Alberto, VEN–chT Barquisimeto, 2001. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 e6 5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.f4 Nf5 10.Nf3 Be7 11.0-0 0-0 12.g4 Nh6 13.f5 (13.h3+=) 13...ef5 (13...Ng4!? 14.h3 ef5 15.hg4 fg4+=) 14.g5= Ng4 15.h3 a6 (15...Re8 16.Qe2=) 16.hg4 (16.Qc2!? Nge5 17.de5 Bc5 18.Kg2+=) 16...fg4+= 17.Nh4 Bg5 18.Nf5 Bc1 (18...Bf5 19.Bf5 h5 20.Kg2=) 19.Qc1 Bf5 (19...f6 20.ef6 Qf6 21.Ne3=) 20.Bf5 h5 21.Ra2 (21.Qf4=) 21...g6 (21...g3!?=) 22.Qh6+= g3?? (22...Ne7 23.Bg4 Qc7+-) 23.Bg6!+- fg6 (23...fg6 24.Qg6 Double attack) 24.Qg6 Kh8 25.Qh5 Kg7 26.Qg4 Kh7 27.Qh3 Kg6 28.Rf8 (28.Rf8 Qf8 29.Qg3 Kf7 30.Rf2 Ke7 31.Qg5 Ke6 32.Qg6 Kd7 33.Rf8 Rf8 34.Qg7 Ke8 35.Qb7 Rg8 36.Kf2+-; 28.Qg3?! Qg5 29.Qg5 Kg5 30.Rg2 Kh6+=) 1–0. Vaclavik,A (1930) – Hlavac,R (2150), 2nd Highlands Open A, 2005. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6N 6.ab4 Nb4 7.c3 Nc6 8.Bd3 Nge7)

9.f4 g6 10.Nf3 Bg7 11.Na3 a6 12.Nc2 0-0 13.h4 h5 14.Ne3 Nf5 15.g4 Ne3 16.Be3 hg4 17.Ng5 b5 (17...f5!?+=) 18.h5 f5 19.ef6 Bf6 (worse is 19...Qf6 20.Bg6 Rd8 21.Nf7+/- (21.Qg4 e5 22.f5 ed4 23.Bf7 Kf8 24.Nh7 Kf7 25.Nf6 Ne5+-)) 20.hg6 Bg5 21.fg5 e5 (21...Rf3 22.Qe2=) 22.Qe2 ed4?? (better is 22...Rf3 23.de5 Qe7+=) 23.Qh2 (23.Rh8 Kg7 24.Bd4 Nd4 25.Qe5 Rf6 26.gf6 Qf6 27.Rh7 Kg8 28.Qe8 Qf8 29.Rh8 Kh8 30.Qf8) 23...Rf1 24.Bf1 Kf8 25.cd4 Bf5 (25...Ke8 26.Qh8 Kd7 27.Rh7 Ne7 28.Qe5+-) 26.Qh7 (26.Qh8 Ke7 27.Qg7 Ke6 28.Qf7 Kd6 29.Bf4 Ne5 30.Be5 Kc6 31.Rc1 Kb6 32.Bc7 Kb7 33.Bd8 Bd7 34.Qd7 Kb8 35.Rc8) 26...Ra7 27.g7! Rg7 28.Qf5 Kg8 29.Bd3 (29.Qe6 Rf7 30.g6 Ne5 31.de5 Qe7 32.gf7 Qf7 33.Qc8 Qf8 34.Rh8 Kf7 35.Rf8 Kg7 36.Rg8 Kf7 37.Qe8) 29...Qe7 (29...Qe8 30.Kd2 Ne7 31.Qe6 Qf7 32.Qa6 Qf8 33.Qe6 Rf7 34.Bh7 Kg7 35.Qe5 Rf6 36.Ra7 Kh8 37.gf6 Nc6 38.Be4 Kg8 39.Qd5 Qf7 40.Qf7) 30.Qd5 (30.Kd1 Rf7 31.Qg6 Rg7 32.Qc6 Qf8 33.Qe6 Rf7 34.g6 Kg7 35.Rh7 Kg8 36.gf7 Qf7 37.Qf7) 30...Rf7 31.Ke2 (31.Bh7 Kg7 32.Be4 Nb4 33.Ra6 Rf1 34.Rf1 Nd5 35.Rg6 Kh8 36.Rh1 Qh7 37.Rh7 Kh7 38.Ra6 Kg8 39.Bd5 Kg7 40.Ra7 Kf8 41.g6 Ke8 42.g7 g3 43.g8Q) 31...Nb4 32.Qe5 (better is 32.Bh7! Kg7 33.Qe4 Qe4 34.Be4 Kg8+-) 32...Qe5 33.de5 Nd3 (33...Re7+-) 34.Kd3 Rf3 35.Ke4 Rh3 36.Rh3 gh3 37.Rh1 Kg7 38.Rh3 Kg6 39.Rh6 Kf7 40.Ra6 b4 41.Rb6 b3+- 42.Kf5 White plans g6 42...b2 43.g6 Kg8 44.Kf6 b1Q 45.Rb1 Kf8 46.Rb8 1–0. Stone,Jim – Matei,Adrian, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6 7.Bd3 d5 8.e5 Nge7)

9.f4 Ng6 10.Nf3 +=.

9.Bg5 h6 10.Bh4 Qd7 11.f4 Nf5 12.Bf2 b6 13.Nf3 a5 14.Qe2 Nfe7 15.0-0 Ng6 16.Be3 Be7 17.Nbd2 0-0 18.Rfb1 Bd8 19.Nf1 Nce7 20.g4 f5 21.g5 Bb7 22.Ng3 Qc8 23.gh6 gh6 24.Bd2 Ba6 25.Ba6 Ra6 26.Kf2 Ra8 27.Qf1 Kh7 28.Qh3 Rh8 29.Nh5 Kg8 30.Nf6+= Kf7 31.Qh5 1–0. Noire,Eric – Starace,Umberto, IECG, 1998.

9.Nh3 Nf5 10.0-0 Be7 11.Na3 (11.Nf4 0-0+=) 11...0-0 12.Nc2 (12.Nf4 f6 13.Bf5 ef5+=) 12...f6 13.g4 (13.ef6!? Bf6 14.Bf5 ef5 15.Ne3+=) 13...Nh4-/+ 14.ef6 Rf6 15.f4 Rf7 (15...Ng6 16.Ba3-/+) 16.Ba3 h6 17.Be7 Ne7 18.Ne3 White prepares f5 18...Qc7 19.Qe1 Nhg6 f4 becomes the focus of attention 20.f5 ef5 21.gf5 Nf8 22.Ra2 (22.c4 Qb6 23.Qc3 Qf6+=) 22...Bd7 (22...b5 23.Nf4 Qd6 24.Bb5 Bf5 25.c4+=) 23.Rg2 (23.c4 Qd6+=) 23...Re8 24.Qd2 Nh7 25.Ng4 Kh8 (worse is 25...Nf5 26.Bf5 Kh8 27.Bd7 Rf1 28.Kf1 Qd7 29.Qd3+-) 26.Ne5 Rf6 27.Ng4 (27.Nf4 Ng5+= (27...Bf5? 28.Bf5 Ng5 29.Qd3+-)) 27...Rf7 (27...Rf5 28.Bf5 Bf5 29.Rg3=) 28.Ne5 Rf6 29.Ng4 (29.Nf4 Ng5 (29...Bf5 30.Bf5 Ng5 31.Qd3 Nf5 32.Nd5+-) 30.Neg6 Rg6 31.fg6 Nh3 32.Kh1 Nf4 33.Rf4 Qd6+/-) 29...Rf7 (29...Rf5 30.Bf5 Bf5 31.Ne5=) 30.Ne5 ½–½. Pundt,Wilfried (1795) – Walkewitz,Hubert (2050), Berlin GER, Team Senior Ch, 2012. (=1.e4 c5 2.b4 cb4 3.a3 e6 4.ab4 d5 5.e5 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.Nh3 g6 10.Bg5= Bg7 11.Na3 0-0 12.Nc2 (12.0-0 f6 13.ef6 Bf6=) 12...f6 (12...h6 13.Bf4-/+) 13.ef6=+ Bf6 14.Bf6 Rf6 15.f4 Bd7 16.Ne3 a6 (16...Nf5 17.Nf5 ef5 18.0-0=+) 17.g4 (17.0-0 Qc7=) 17...Rc8 (17...Na7 18.0-0=+) 18.g5 (18.0-0 Na7-/+) 18...Rf8 19.Ng4 Nf5 20.Qe2 Nce7 21.Nf6 Kh8 22.Qb2 (22.Qe5 Nc6 23.Qe2 Rf6 24.gf6 Qf6=+) 22...Nd6 23.Nf2 (23.0-0 Bb5 24.Rad1 Nef5-/+) 23...Bb5-+ 24.h4 Ng8 25.Ng8 (25.h5 Nf6 26.hg6 Rc7-+) 25...Kg8 (25...Rg8?! 26.h5 gh5 27.Rh5-/+) 26.h5 (better 26.Qe2 Bd3 27.Nd3-+) 26...Rf4 27.Nh3 (27.hg6 Qg5 28.gh7 Kh8 29.Bb5 Nb5-+ (worse 29...ab5 30.Ra2 Qg3 31.Qd2-+)) 27...Rf3 (27...Bd3?! 28.Nf4 Be4 29.Rh3 (29.Ne6?? Qe7 30.hg6 Bh1 31.gh7 Kh8-+) 29...Qg5 30.Qh2-+) 28.Bb5 ab5 (28...Nb5 29.hg6 Rcc3 30.gh7 Kh8 31.Rc1 Rc1 32.Qc1 Qa5 33.Kd1 Qa4 34.Ke1 Qb4 35.Kd1 Qd4 36.Qd2-+) 29.Qe2? (29.hg6 Re3 30.Kd1 hg6 31.Qh2 Rd3 32.Ke2 Rcc3 33.Nf2-+) 29...Rcc3 30.Qe6 Nf7 31.Kd2 Qc8 (better 31...Kf8 32.hg6 Qc7 33.Ra8 (33.gf7?? Rcd3 34.Ke2 Qc2 35.Ke1 Qd2) 33...Kg7 34.Rg8 (34.gf7 Rcd3 35.Ke2 Qc2 36.Ke1 Rd1) 34...Kg8 35.gf7 Rf7 36.Qe8 Kg7 37.Qe5 Qe5 38.de5-+) 32.Qc8 Rc8 33.Ke2 Rfc3 (33...Rg3 34.Ra7-+) 34.hg6 hg6 35.Nf4 Ng5 36.Nd5 Rc2?? (better 36...Re8 37.Kd1 Rc6-+) 37.Kd3= Kg7 38.Ra7 Rf2 39.Rb7 Rf7 40.Rb5 Rf3 41.Ne3 Re8 ½–½. Guo,Xi_Yang (1850) – Milnes,Anthony Cp (2125), Hastings Masters, 2007. (=1.e4 e6 2.a3 d5 3.e5 c5 4.b4 cb4 5.ab4 Nc6 6.d4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.h4 Rb8 10.Ba3 Nf5 11.Bf8 Kf8 12.Nf3 h5 13.Bf5 ef5 14.Nfd2 b6 15.Na3 a6 16.Nc2 a5 17.Qf3 g6 18.0-0 Be6 19.Ne3 Attacking the isolated pawn on d5 (19.Qg3 Kg7=) 19...Kg7 (19...Qh4 20.Rfb1 Kg7 21.Rb5-/+) 20.Rfb1 (20.Qf4 Re8=) 20...b5 (20...Qh4 21.Rb5 Na7 22.Rb3-/+) 21.Nb3 a4 22.Nc5 b4 (22...Qh4 23.Nd5 Rhc8 24.Ne6 fe6 25.Nf6+=) 23.Qf4 (23.Na6 Rb6 24.Nb4 Nb4 25.cb4 Qh4 26.Nd5 Bd5 27.Qd5 Rd8+=) 23...bc3= 24.Rc1 (worse is 24.Ne6 fe6 25.Rc1 Qa5-+) 24...Rb4 25.Nc2 (worse is 25.Ra4 Nd4 26.Kf1 Ra4 27.Na4 Nb3 28.Rc3 d4-+) 25...Rc4 26.Ra4 Ra4 27.Na4 Qa5 28.Nc5 Rc8 29.Nd3 Qd8 30.Qg3 Qb6 31.Qe3 Qd8 32.g3 Qb6 33.Nc5 1–0. Maraczi,Erno (2125) – Kanyadi,Zoltan (2100), Debrecen Karneval Cup, 2008. (=1.e4 c5 2.b4 cb4 3.d4 e6 4.a3 d5 5.e5 Nc6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.h4 Bd7 10.h5 Ng8 (10...f6 11.ef6 gf6 12.Qf3+=) 11.h6 (11.Nf3 Qc7+=) 11...Nh6 12.Bh6 gh6 13.Ne2 (13.Nd2 Rg8 14.Rh2 a5+=) 13...f6-/+ 14.Nf4 (14.Ng3 fe5 15.Qh5 Ke7 16.de5 Be8-/+) 14...Qe7 (14...fe5!? 15.Qh5 Ke7 16.Qh4 Kf7 17.Qh5 Kg8-+) 15.Qh5 Kd8 16.ef6 (16.Nd2 a5-/+) 16...Qf6 17.g3 Kc7 (17...Bd6 18.Rh4-/+) 18.Qd5 (18.Na3 Rg8+=) 18...Bd6 (18...Qf4! 19.Qd7 Kd7 20.gf4 Rg8+=) 19.Qe4 (19.Qh5 Bf4 20.gf4 Qf4 21.Qh6 e5=) 19...Raf8 (19...Bf4 20.gf4 Nb4 21.Rh5+= (worse is 21.cb4 Bc6 22.Qe5 Qe5 23.fe5 Bh1-+)) 20.Na3 (20.Rh4 Kd8=) 20...a6 (20...Bf4!? 21.Nb5 Kb8 22.gf4 Qf4+=) 21.Rh4+= Qg5 (better is 21...Kd8 22.Nc4 e5 23.Nd6 Qd6 24.de5 Qe5 25.Qe5 Ne5+=) 22.Rh5 (better is 22.Ne2+=) 22...Rf4-/+ 23.Qh1 Qe7 24.Nb5 ab5 25.gf4 b4 (25...Bf4?! 26.Rb5 Rb8 27.Rab1-/+) 26.cb4 (26.Be4 bc3 27.Rc1 Qg7-+) 26...Bb4 27.Kf1 (27.Kd1 Nd4 28.Rh6 Bc3-+) 27...Qd6 28.d5 (28.Rd1 Qd4 29.Rh6 Bc5-+) 28...ed5 29.Qh4 (29.Qh2 Bd2 30.Rh6 Qf4 31.Qf4 Bf4 32.Rh7 Rh7 33.Bh7 b5-+) 29...Rf8 (29...Bd2 30.Rh6 Qf4 31.Qf4 Bf4 32.Rh7 Rh7 33.Bh7-+) 30.f5 (30.Rh6 Rf4 31.Qg5 Qf8-+) 30...Qe5 31.Rb1 (31.Rd1 Be7 (worse is 31...Bf5 32.Bf5 Rf5 33.Rh6-+) 32.Qa4 Bf5 33.Bf5 Rf5 34.Rf5 Qf5-+) 31...Qc3 (31...Bf5?! 32.Bf5 Rf5 33.Rh6-+) 32.Qg3 Kc8 (better is 32...Kd8 33.Rh6 Rf7 34.f6-+) 33.f6 (33.Rh6 Ne5 (33...Bf5?! 34.Bf5 Rf5 35.Qc3 Bc3 36.Rh7-+) 34.Rb4 Qc1 (34...Qb4?! 35.Qe5 Qd2 36.Rh3-/+; worse is 34...Nd3 35.Rb1-+; worse is 34...Qd3 35.Qd3 Nd3 36.Rd4 Bf5 37.Ke2-+) 35.Ke2 Qh6-+) 33...Qf6 (33...Bd6! 34.Qe3 Re8 35.Rc1-+) 34.Rd5 Be6 35.Rb5 (35.Rh5 Qd4 36.Be2 Bc5 37.Rc5 Qc5-+) 35...Bd6 (better is 35...Qd4!? 36.Rd1 Bc4 37.Bc4 Qd1 38.Kg2-+) 36.Qe3 Nd4 (better is 36...Rf7!? 37.Ke1-+) 37.Rb7 Qf4 (37...Qh4 38.Be4 Bc4 39.Ke1 Rf2 40.Rc7 Bc7 41.Bf5 Rf5 42.Kd2 Qh2 43.Qf2 Qf2 44.Kc3 Qc2 45.Kd4 Qd3) 38.Ba6?? (38.Qf4 Bh3 39.Kg1 Rf4 (39...Bf4?! 40.Kh1-+) 40.Rb8 Bb8 41.Ba6 Kc7 42.Rb7 Kd6-+) 38...Qe3 (better is 38...Bc4! 39.Ke1 Nc2 40.Kd2 Ne3 41.Rf7 Ba6 42.Rf4 Nf1 43.Kd1 Bf4-+) 39.R7b3 (39.Rf7 Kd8 40.Rf8 Bf8 41.fe3 Nb3-+) 39...Kc7 (39...Kd7 40.Re3 Bd5 41.Rd1-+) 40.Re3 Bf5 (better is 40...Bd5 41.Rd1 Bc5 42.Red3-+) 41.Rc1? (41.Rc3 Kd7 42.Rd1 Ne6-+) 41...Kd7 (better is 41...Kb6!? 42.Ra1 Nc2 43.Rb3 Bb4 44.Ra4-+) 42.Rd1 Bc5 43.Bd3 Bg4 (43...Be6 44.Bh7 Ke7 45.Re5-+) 44.Be2 Be2 45.Re2 Kd6 (45...Rf4 46.Re5 Rh4 47.Rd3-+) 46.Re4 Kd5 47.Rh4 Rf6 48.Kg2 Bb6 (48...Rg6 49.Kh3-+) 49.f3 Rg6 (49...Bc5 50.Rh5 Kc6 51.Rc1-+) 50.Kf2 (50.Kh3 Bc5-+) 50...Kc4 (50...Re6 51.Kg3-+) 51.Ke3 Rd6 52.Re4 (better is 52.Rc1 Kb3 53.Ke4-+) 52...Kc3?? (better is 52...h5-+) 53.Rd3= Kc4 54.Rd1 Kc3?? (better is 54...h5-+) 55.Rd3= Kc4 (55...Kb4 56.Red4 (56.Rdd4?? Kc3-+) 56...Bd4 57.Rd4 Rd4 58.Kd4=) 56.Rd1 ½–½. Jurkovic,Hrvoje (2370) – Piven,Igor (2385), Schwarzach op–A, 1999. (=1.e4 c5 2.b4 cb4 3.d4 d5 4.e5 Nc6 5.a3 e6N 6.ab4 Bb4 7.c3 Bf8 8.Bd3 Nge7)

9.h4 Bd7 10.h5 h6 11.f4 Na5 12.Nf3 Nc4 13.Nh4 Nf5 14.Nf5 ef5 15.Bc4 dc4 16.d5 Bc5 17.Qf3 0-0 18.Ke2 b5 19.Be3 Qb6 20.Rd1 Rfd8 21.Bc5 Qc5 22.Qe3 Qc7 23.Rd2 a5 24.Rda2 Qb7 25.Ra5 Ra5 26.Ra5 Qd5 27.Qf3 Qe4 28.Qe4 fe4 29.Nd2? (better is 29.Na3 Bg4 30.Ke3-/+) 29...Bg4-+ 30.Ke1 Rd3 31.Rb5 Rc3 32.e6 fe6 33.Re5 Re3 34.Kf1 c3 35.Nb3 c2 36.Nc1 Rd3! 37.Re4 (37.Nd3 ed3 Passed pawn) 37...Rd1 38.Re1 Bh5 39.Kf2 Bg4 40.g3 0–1. Wartlick,Karl (2070) – Bagaturov,Giorgi (2540), Boeblingen op, 1998. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 e6 8.Bd3 Nge7)

8.Bd3 f5

9.Nf3 Bd7 A) 10.0-0 a6 11.Nbd2 (11.c4 dc4 12.Bc4 Nge7 13.Bg5 h6 14.Be3 b5 15.Bb3 Na5 16.Ba2+=; 11.Be3 b5 12.Nbd2 Ra7 13.Ra2 Be7 14.Qa1 g5 15.Nb3 f4 16.Bd2+=; 11.Ba3 Ba3 12.Na3 b5 13.Nd2 Nge7 14.Qh5 Ng6 15.Nf3 Nce7 16.Rfb1+=) 11...b5 12.Nb3 Qc8 13.Ba3 Nge7 14.Re1 Nd8 15.Nc5 Nb7 16.Nb7=; B) 10.Nbd2 a6 11.0-0 b5 12.Ba3 Ba3 13.Ra3 b4 14.cb4 Nb4 15.Be2 Ne7 16.Nb3=.

9.Nf3 Be7 10.0-0 a6= 11.Nbd2 (11.Ba3 Bd7 12.Nbd2 Ba3 13.Ra3 Nge7 14.Qb1 Qc7 15.c4 0-0 16.Rc1=; 11.Qb3 Ra7 12.Ba3 b5 13.Nbd2 Nh6 14.Rfb1 0-0 15.Be7 Qe7 16.Be2+=; 11.Be3 Bd7 12.Re1 b5 13.Re2 Qc7 14.Rea2 Qb6 15.Qb3 Ra7 16.Nbd2=; 11.c4 Nb4 12.c5 Nd3 13.Qd3 b6 14.Ba3 bc5 15.Bc5 a5 16.Rc1=) 11...Nh6 12.Ba3 Ba3 13.Ra3 0-0 14.Qa1 Ng4 15.Rb1 Qc7 16.c4 +=.

9.Nf3 Be7 10.h4 Bd7+= (10...a6 11.Rg1 (11.g4 Bf8 12.Rg1 Nge7 13.Bg5 Qb6 14.h5 fg4 15.Rg4 Nf5 16.Qc2+=; 11.Rh3 Bd7 12.Rg3 Kf8 13.Nbd2 b5 14.Ba3 Ba3 15.Ra3 b4 16.cb4=) 11...Bd7 12.g4 fg4 13.Ng5 Bg5 14.Bg5 Nge7 15.Qg4 g6 16.h5+=; 10...b6 11.Rg1 a5 12.g4 fg4 13.Ng5 Bg5 14.Bg5 Qd7 15.Qg4 Ba6 16.Bc2=; 10...a5 11.Rg1 (11.g4 Qc7 12.Rg1 Bf8 13.Bg5 fg4 14.Rg4 b6 15.Nbd2 Ba6 16.Ba6+=) 11...Bd7 12.g4 fg4 13.Ng5 Bg5 14.Bg5 Qb6 15.Qg4 g6 16.h5+=) 11.g4 (11.Rh3 a6 12.Rg3 Kf8 13.Ba3 b5 14.Nbd2 Ba3 15.Ra3 b4 16.cb4=; 11.Bg5 a6 12.Be7 Nge7 13.h5 0-0 14.Nbd2 Qc7 15.h6 g6 16.0-0+=; 11.Ba3 a6 12.Nbd2 Ba3 13.Ra3 Nge7 14.Qb3 b5 15.h5 Qc8 16.h6+=) 11...fg4 (11...Bf8 12.gf5 ef5 13.Qb3+= Qc7 14.Rg1 Nge7 15.Na3 Na5 16.Nb5=; 11...g6 12.gf5 ef5 13.Qc2 Bf8 14.h5 Nh6 15.Qb3 Qc7 16.Bh6=) 12.Ng5= Nh6 (12...Bg5 13.hg5 Nge7 14.Bh7 Qc7 15.Qg4 Na5 16.Ba3+=) 13.Nh7 Rh7?? (better is 13...Qb6= 14.Ra2 Rg8 15.Bg5 Qc7 16.Nd2=) 14.Bh7 Bh4?? (better is 14...Qb6+-) 15.Bh6 gh6 16.Qg4 Qg5 (16...Bf2 17.Kf2 Qe7 18.Rh6+-) 17.Bg6 (better is 17.Qh4!? Qh4 18.Rh4 Kf7 19.Rh6 Kg7+-) 17...Ke7 18.Qh4 Qh4 19.Rh4 Rg8 (19...Rh8 20.Ke2+-) 20.Rh6 Kf8 (20...Rg7 21.Nd2+-) 21.Nd2 (21.Bd3 Rg1 22.Ke2 b6+-) 21...Ne7 (21...Kg7 22.Rh7 Kg6 23.Rd7+-) 22.Bd3 Rg1 23.Nf1 Nf5 (23...Nc6 24.Kd2+-) 24.Bf5 ef5 25.0-0-0 (25.Ra7 Bb5 26.Rb7 Rf1 27.Kd2 Rf2 28.Ke3 Rg2 29.Rh8 Rg8 30.Rg8 Kg8 31.Rb5 Kf7 32.Rd5 Ke7+-) 25...Ba4 26.Ne3 Bd1 27.Nd1 1–0. Golovchenko,G (2350) – Kulago,A (2095), Lushki B, Serpukhov RUS, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 e6)

9.f4 Nge7 10.Nf3 h6 11.Nh4 (11.0-0 Ng6=) 11...h5 (11...Kf7 12.0-0+=) 12.Na3= a6 13.Nb5 Ng8 14.Ng6 Rh6 15.Nf8 Kf8 16.Nd6 Qc7 17.0-0 Nge7 18.Bd2 Bd7 19.Qb3 The backward pawn on b7 becomes a target 19...Nd8 (19...Ra7 20.Bc1 Na5 21.Qc2+=) 20.c4+/- Bc6 21.Bb4 (21.c5+/-) 21...g6 (21...dc4 22.Qc4 Qd7 23.Ra5+=) 22.Be2 (22.Ba5 Qd7 23.c5 Nf7+/-) 22...Kg7 23.Qg3 (23.Ba5!? Qd7 24.c5 Nf7+/-) 23...dc4 24.Bc4 Nd5?? (better is 24...Qd7+=) 25.Bd5+- ed5 (25...h4 26.Qc3 Qd7+-) 26.Qg5 (26.Nf5 Kh8 27.Nh6 Qg7+-) 26...Nf7?? (better is 26...Kh7+=) 27.Qf6+- Kg8 28.Rfe1 (better is 28.Ba5 g5 29.Qh6 Qd6 30.Qd6 (30.ed6?! Nh6 31.fg5 Nf7+-) 30...Nd6 31.ed6 gf4 32.Rae1+-) 28...Nd6+/- 29.ed6 (29.Bd6 Qg7 30.Qh4 Re8+=) 29...Qf7? (better is 29...Qg7!? 30.Qg7 Kg7 31.Re7 Kg8=) 30.Qg5+/- Qg7 31.Bc5 Rh7? (31...Qh8 32.Re6+/-) 32.Re7 (better is 32.Re6 Qh8 33.Rg6 Rg7 34.Qf5 Rg6 35.Qg6 Qg7 36.Qh5+-) 32...Qh6+= 33.Qf6 Re8?? (better is 33...Re7 34.de7 Qg7+=) 34.Qe6+- 1–0. Capablanca,Jose Raul – Failing,WH, New York simul2, 1922. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 e6)

9.g4 g6 10.gf5 ef5 11.Nh3 Bh6 (11...Be6 12.Nf4 Qc8 13.Rg1=+) 12.Na3 Bc1 13.Qc1 Qh4 (13...Na5!? 14.Qg5 Qg5 15.Ng5 a6=+) 14.Nf4+= Nge7 15.Nb5 0-0 16.Nc7 Attacking the isolated pawn on d5 16...Rb8 17.Qe3 White prepares the advance e6 17...Kh8 18.Rg1 (18.Ncd5?! g5=+) 18...g5 19.Nfd5 f4 20.Qe2 g4 (better 20...Qh2 21.Kd2 Nd5+-) 21.e6?? (better 21.Ne7 Qe7 22.Nd5+-) 21...Nd5=+ 22.Nd5 Be6! 23.Nc7 (23.Qe6 Rbe8 Pinning (23...Rbe8 Decoy)) 23...Bd7 24.d5 Qf6 (24...Qh2 25.dc6 Rf5 26.Kd2+-) 25.Kf1? (25.Kd1 Nb4! 26.Qe4 Nd3 27.Qd3 a6-+) 25...Ne5 (25...Qc3 26.Rd1 Ne5 27.Qc2 Qc2 28.Bc2-+) 26.Re1? (26.Qe4 Rf7 A) 27.Ra7?? Nf3 (27...Nd3?! 28.Qd3 Bf5 29.Qc4-+) 28.Qb4 Qe5-+ (worse 28...Nh2 29.Ke2 Qe5 30.Kd1-+); B) 27.Kg2-+) 26...Nf3 (26...g3 27.Ne6 gf2 28.Qe5 fe1R 29.Qe1-+) 27.Qe7 Bf5 (27...Qf7 28.Qf7 Rf7 29.Ra1-+) 28.Qf6 Rf6 29.Bf5 Rf5 (29...Ne1?! 30.Bg4 Nd3 31.Ke2-/+; 29...Ng1?! 30.Bg4 f3 31.Ra1=+) 30.Re7 Rd8 (30...Ng1 31.Kg1 Kg8 32.c4-+) 31.c4 Ng1 32.Kg1 h5 (better 32...Rdf8-+) 33.Ne6=+ Rd6 34.Rb7 Ra6 35.Rb1 f3 36.Rd1 Re5 37.h3 Ree6 (37...Ra2 38.d6 g3+-) 38.de6=+ Re6 (38...gh3?? 39.Re1+-) 39.hg4 hg4 40.Kh2 Kg7 41.Rd7 Kf6 42.Ra7 Rc6 (42...Re1!?=) 43.Ra4+- Kf5 44.Kg3 Rh6 45.Ra5 Ke4 46.Ra8 (better 46.c5+-) 46...Rc6?? (better 46...Rh1 47.Kg4 Rg1 48.Kh4 Rg2=) 47.Rg8+- (47.Kg4?! Rg6 48.Kh4 Rg2=) 47...Kd3 (better 47...Rf6!?+-) 48.Rg4 (48.Kg4?! Ke2 49.Kg3 Rc4 50.Re8 Kf1+-) 48...Rc5 49.Kf3 Rc8 50.Kg3 Rc7 51.Rf4 Rg7 52.Kh4 Rg1 53.c5 Rc1 54.Rf5 Ke4 55.Kg5 1–0. Gurkin,Anton (2175) – Onoprienko,Vladimir (2370), Moscow Open A, 2009. (=1.e4 c5 2.b4 cb4 3.a3 d5 4.e5 Nc6 5.d4 e6 6.ab4 Bb4 7.c3 Bf8 8.Bd3 f5)

9.Nh3 g6 10.Nf4 Nh6 11.Nd2 Nf7 12.h4 (12.0-0 Bd7=) 12...Be7 13.Nf3 0-0 14.h5 g5 15.Ng6 Re8 16.Ne7 Qe7 17.h6 Kh8 18.g4 Rg8 19.Ba3 Qd7 20.Qc2 Ne7 21.Rh5 Rg6 (21...Ng6 A) worse is 22.Ng5 Nge5 (22...fg4 23.Bb5 Ng5 24.Bd7 Nf3 25.Kd1 Bd7 26.Bc1+/-) 23.Nf7 Nf7+=; B) 22.gf5 Nf4 23.fe6 Qe6 24.Rh1 Nd3 25.Qd3=) 22.0-0-0 (better is 22.Bc1!?+/-) 22...Ng8 (worse is 22...Nh6 23.Rdh1 Kg7 24.Kd1+/-; 22...Rh6?! 23.Ng5 Rh5 24.Nf7 Kg7 25.gh5 Kf7 26.Rg1+=) 23.Bf8 (23.Rdh1 Qe8=) 23...Ne7 (better is 23...Ngh6!? 24.Ng5 Ng5 25.Bh6 Nf7+=) 24.Rg1 Kg8 25.Bg7 a5 26.Bf6 g5 draws heavy fire 26...a4 27.Rhh1 (27.Ng5 a3+=) 27...Rh6 28.Ng5 Ng6?? (28...Rh1!? 29.Rh1 Ng5 30.Bg5 Nc6=) 29.Nf7 (29.gf5 ef5 30.e6 Rh1 31.Rh1+- (31.ed7? Rg1 32.Kd2 Bd7-+)) 29...Rh5?? (better is 29...Rh1 30.Rh1 Qf7 31.gf5 ef5 32.Bf5 Bf5 33.Qf5 Re8+/-) 30.gh5+- 1–0. Behle,Karl Willi (2285) – Kildal,Helge (1950), GER–chT Seniors, 1999. (=1.e4 e6 2.d4 d5 3.e5 c5 4.b4 cb4 5.a3 Nc6 6.ab4 Bb4 7.c3 Bf8)

7.e5 Bf5

8.Ba3 e6 9.Bf8 Kf8 10.Bd3 Nge7 11.Ne2 h5 12.Na3 a6 13.0-0 Rc8 14.Nf4 g6 15.Qd2 Kg7 16.Rfb1 Rc7 17.Bf5 Nf5 18.Nd3 Qe7 19.Nc2 Rhc8 20.Rb3 ½–½. Schuette,Marc – Groenegress,Wilfried (2205), OWL–ch Helmern, 1989. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Na3 e6 9.Bd3 Nge7 10.Nf3 Bd3 11.Qd3 Nf5 12.0-0 Be7 13.Bd2 Rc8 (13...0-0 14.Rfb1 b6 15.Nc2-/+) 14.Rfb1 b6 (14...Ba3 15.Ra3 Qd7 16.Bg5-/+) 15.Nb5=+ Qd7 16.g4 Nh4?? (better 16...Nh6 17.Bh6 gh6=+) 17.Nh4+- Bh4 18.Nd6 Kf8 19.Nc8 Qc8 20.c4 Qd7 21.c5 bc5 22.Qb5 Ke7? (better 22...Ke8+-) 23.Qc5+- (23.Qc5 Ke8 24.Rc1 Ne5 25.de5+-; 23.dc5?! Rd8 24.Qa6 Kf8+- (24...Ne5?? 25.Rb7 Qb7 26.Qb7 Rd7 27.Qb8+-)) 1–0. Janek – Kevin, internet free game, 2016. (=1.b4 c5 2.e4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Qb3 Rb8 9.Nf3 e6 10.Be2 Nge7 11.Nh4 Bg6 12.Ba3 Nf5 13.Ng6 hg6 14.Bf8 Kf8 15.Nd2 Kg8 16.g3 a6 17.Bd3 Qc7 18.0-0 Kh7 19.Rfb1 Rhc8 20.Qa2 Qe7 21.Nf3 Rc7 22.Rb6 Rbc8 23.Qd2 Nd8 24.Ng5 Kg8 25.Rb3 Rc6 26.Rba3 Rb6 27.Qf4 Nh6 28.R1a2 Rcc6 29.Qd2 Rc7 30.h4 f6 31.ef6 gf6 32.Ne6 Re6 33.Qh6 Re1 34.Kg2 g5 35.hg5 fg5 36.Qh5 Rc6 37.Ra1 Rce6? (better is 37...Ra1!? 38.Ra1 Rc3+/-) 38.Re1+- Re1 39.Ra2 (39.Ra5!? Ne6 40.Rd5+-) 39...Ne6+/- 40.Ra5 Rc1? (better is 40...Nc7+/-) 41.Rd5+- Rc3 42.Re5 Qf7 43.Bg6 Qd7 44.Bf5 (44.Bf5 Rc6 45.Qg6 Kf8 46.Be6 Re6 47.Re6 Qd5 48.f3 Qa2 49.Kh3 Qe6 50.Qe6+-) 1–0. Dragojevic,Mi (2135) – Jelecevic,I (2145), Open B, Zagreb CRO, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Nd2 e6 9.Qb3 Qd7 10.Bb5 +=.

8.Nd2 h5 9.Ngf3 e6 10.Be2 Nh6 11.0-0 Be7 12.h3 0-0 13.Nh2 h4 14.Nb3 (14.Ndf3 Kh7+=) 14...Bg5 (14...a5!?-/+) 15.Nc5 Bc1 16.Qc1 b6 17.Nb7 Qc7 18.Nd6 Na5 (18...f6 19.f4=) 19.Nf3 (19.Qe3!?=) 19...Nb3+= 20.Qe3 Na1 21.Ra1 Qe7 22.Qf4 Bh7 23.Nh4 g5 24.Qg3 Kh8 25.Nf3 Rg8 26.Nh2 Nf5 27.Nf5 Bf5 28.Qe3 (28.Nf1 Be4-/+) 28...Rac8 29.Nf3 (29.Nf1-/+) 29...Be4 (better is 29...a5!?-/+) 30.Nh2+= Rc7 (30...a5 31.Ng4=) 31.Ng4= Rg7 (31...Rg6!?=) 32.Nf6+= Bf5? (32...Bh7 33.c4 dc4 34.d5 ed5 35.Nd5+=) 33.g4 (33.h4 a5+-) 33...Bc2?? (33...Bh7 34.Kg2 Rg6 35.Nh7 Kh7 36.Bd3=) 34.Kg2?? (better is 34.h4+-) 34...Bb3?? (34...Rg6 35.Qd2 Bb3+/-) 35.Rh1+- Rg6 (35...Bc2 36.h4 Rh7+-) 36.h4 Rf6 (36...Kg7 37.hg5 Qd8 38.Rh7 Kf8 39.Qc1 Rg8 40.g6 Qf6 41.ef6 Ba4 42.Qa3 Ke8 43.Qd6 Rf8 44.Qc7 Bd7 45.Bb5 Bb5 46.Qe7) 37.hg5 (37.ef6 Kg8 38.hg5 Bc2 39.fe7 Re7 40.Qh3 Be4 41.f3 Bf3 42.Kf3 f6 43.Qh8 Kf7 44.g6 Kg6 45.Rh6 Kg5 46.Qf6) 37...Rh6 38.Rh6 Kg7 39.f4 (39.g6 fg6 40.Qh3 Kf7 41.Rh8 Qf6 42.ef6 Kf6 43.Qf3 Kg5 44.Qe3 Kf6 45.Qe5 Kf7 46.g5 Rc3 47.Qf6) 39...Bc2 40.Qh3 Rc8 41.Ba6 (better is 41.Rh5 Be4 42.Kf2+-) 41...Be4 42.Kf2 Rg8 43.Bd3 Bd3 44.Qd3 Qa3 45.f5 Qc1?? (better is 45...ef5 46.gf5 Qb2 47.Kf3 Qc1 48.f6 Kf8+-) 46.fe6 Qf4 47.Ke1 fe6 (47...Qe4 48.Qe4 de4 49.ef7 Kf7+-) 48.Qh7 1–0. Gelemerov,Yane (2050) – Kosturkov,Krasimir (1700), 137th MGU Open, 2015. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Bd3 e6 9.Bf5 ef5 10.Ne2 Nge7 11.Ng3 g6 12.h4 h5 13.Bg5 Bg7 14.Na3 0-0 15.Nb5 (better 15.0-0=+) 15...Nc8?? (15...f6 16.ef6 Bf6 17.Bf4-/+) 16.0-0 (better 16.Bd8 Rd8 17.Nh5 gh5 18.Qh5+-) 16...Qd7 17.Ne2 (17.Qd3 Nb6=+) 17...a6 (better 17...Ne5!? 18.Na7 Ra7 19.Ra7 Nf3 20.gf3 Na7-/+) 18.Na3 f6 19.ef6 Bf6 20.Bf6 Rf6 21.Nf4 Nd6?? (21...N8e7 22.Re1=) 22.Nc2?? (better 22.Nd5 Qd8 23.Nf6 Qf6 24.g3+-) 22...Ne4 23.Qd3 (better 23.Qe1 Qf7 24.Ne3=+) 23...Rc8 (23...Qd6 24.g3=+) 24.Ne3 The isolani on d5 becomes a target (better 24.f3 Ng3 25.Rfe1+=) 24...Ne7-/+ 25.Rac1 Rfc6 26.Ne2 Qd6 27.g3 Kh7 28.Rc2 Ng8 29.Rfc1 Ngf6 30.Nf4 b5 31.Kg2 b4 (31...R6c7 32.f3+=) 32.c4 (32.cb4 Ng4 33.Rc6 Rc6 34.Rc6 Qc6+=) 32...dc4 33.Nc4 Qe7 (33...Qb8 34.Qb3 Qa7 35.f3=) 34.Ne5 (better 34.Ng6 Qe6 35.Nf4+/-) 34...Rc2=+ 35.Rc2 Rc2 36.Qc2 Nc3 37.Nfg6 Qb7 38.Kh2 (38.f3 Nfd5 39.Kh2 Qb5=) 38...Nfe4 (38...Qe4 39.Nf8 Kg8 40.Qb3 Nfd5 41.Qc4=) 39.f3 Nd6 (39...b3 40.Qb2 Na4 41.Qa3=) 40.Qb3 a5?? (better 40...Qb5 41.Nf8 Kh8=) 41.Qe6+- a4 (41...Qg7 42.Qd6 f4 43.Nf4 Nb5+-) 42.Qd6 (42.Ne7 Kg7 43.Qd6 Qb6 44.Nf5 Kg8 45.Qe7 Qg6 46.Ng6 a3 47.Qg7) 42...a3 (42...Ne4 43.Nf8 Kg7 44.fe4 a3 45.Ne6 Kh7 46.Qf8 Qe7 47.Qe7 Kh6 48.Qg7) 43.Nf4 (43.Ne7 Qb6 44.Qb6 f4 45.Qg6 Kh8 46.Qg8) 43...a2 44.Qg6 Kh8 45.Nf7 Qf7 46.Qf7 a1Q 47.Ng6 1-0. JustcallmeDonny (2540) - alifie (2540), Rated Bullet game, lichess.org, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3)

8.Ne2 a6 9.Ng3 Bg6 10.h4 h6 11.h5 Bh7 12.Bd3 Bd3 13.Qd3 e6 14.0-0 Nge7 15.Be3 b5 16.Nd2 g6 17.Nb3 Nf5 18.hg6 fg6 19.Qe2 h5 20.Nf5 gf5 (worse is 20...ef5 21.Ra2+=) 21.Ra2 Qf6?? (21...h4 22.Kh2-/+) 22.Rb1 (22.ef6!? Kf7+-) 22...Kf7?? (22...Qg7 23.Rba1 Qb7 24.Bg5-/+) 23.Nd2 (better is 23.ef6 Kf6 24.Rba1+-) 23...Qd8+= 24.Rba1 Qc8 25.Nf3 Be7 26.Bg5 Bg5 27.Ng5 Ke7 28.Qb2 Qb7 29.Qa3 b4 30.cb4 Qb4 31.Rb2 (31.Qc1 Qb6 32.Rb1+-) 31...Qa3-/+ 32.Rb7 Ke8 33.Ra3 Nd4 34.Ra4 Rg8 35.Nf7? Rg4-+ 36.Ra5 Kf8 37.Rc5 Rg7 38.Rcc7 a5 39.Re7 a4 40.Nh8 Re7 41.Ng6 0–1. Herrou,Christophe (2130) – Dussart,Frederic (2310), FRA–chT2B, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Ne2 e6 9.Ng3 Bg6 10.Na3 (10.Bd3 Nge7=) 10...a6 Covers b5 (10...f6 11.ef6 Nf6 12.Bd3+=) 11.h4 f6 Consolidates g5 12.f4 fe5 (12...Be7 13.h5 Bf7 14.Qb3+=) 13.fe5 Be7 14.h5 Bf7 15.Bd3 Bh4 (15...Nh6!?=) 16.Qg4 (16.Qf3 Nh6+=) 16...Bg3 17.Qg3 Nge7 18.h6 (18.Nc2 Rc8+/-) 18...g6? Prevents intrusion on f5 (better is 18...gh6!? is an interesting alternative 19.Rh6 Kd7=) 19.Bg5 Qa5? (better is 19...Rf8!?+/-) 20.0-0+- Qc3?? shortens the misery for Black. (better is 20...Qd8+-) 21.Nb5! Deflection: a6 21...Nf5 (21...ab5 22.Ra8 Clearance Decoy Deflection Pinning) 22.Qh3 (22.Nc3 Ng3 23.Rfb1 Ra7+=) 22...Qb4 23.Bf5 gf5 24.Rab1 White threatens to win material: Rb1xb4 (24.Nd6 Kf8 25.Nf5+-) 24...Qa4?? (better is 24...Qb5 25.Rb5 ab5+=) 25.Nd6+- Kf8 26.Rb7 Bg6 (26...Ra7 is still a small chance 27.Ra7 Na7 28.Nf7 Rg8+-) 27.Qh4 Qd4 28.Qd4 Nd4 29.Be7 Kg8 30.Bf6 Nc6 (30...Kf8 there is nothing better in the position 31.Bh8 Ne2 32.Kf2 Nc3 33.Bg7 Kg8+-) 31.Rc1 Nd8 (31...Bf7 doesn't do any good 32.Rc6 Rf8 33.Nf7 d4 34.Nd6 Re8 35.Rc8 Rc8 36.Rg7 Kf8 37.Be7) 32.Rg7 Kf8 33.Be7 1–0. Kraft,Mathias (1945) – Sharza,Mohamed Rahim, Baunatal op 7th, 2001. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Ne2 e6 9.Ng3 Bg6 10.Bd3 Nge7 =.

8.Ne2 e6 9.Ng3 Bg6 10.h4 h5 11.Bd3 Bd3 12.Qd3 g6 13.Bg5 Nge7 14.Bf6 Rg8 15.Na3 Bg7 16.Nb5 Qd7 17.Nd6 Kf8 18.Bg7 Kg7 19.Rb1 b6 20.Qf3 Nc8 21.Qf6 Kf8 22.Nb5 Qe7 23.Qf4 a6 24.Ra1 Na5 25.Na3 Kg7 26.0-0 Na7 27.Rfb1 Rgb8 28.Qg5 Qg5 29.hg5 N7c6 30.Ne2 b5 31.Nc1 Nc4 32.Nc4 bc4 33.Rb8 Nb8 34.Na2 Kf8 35.Nb4 Ke7 0–1. Donoso Solzona,Francisco – Katsuhara,Osamu, Internet Section, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Ne2 e6 9.Ng3 Bg6 10.h4 h6 11.h5 Bh7 12.Nd2 Qc7 13.Bb5 Nge7 14.0-0 Nf5 15.Nb3 Be7 16.Ra2 0-0 17.Bd3 Ng3 18.Bh7 Kh7 19.fg3 f5 20.ef6 Rf6 21.Qd3 Kg8 22.Rf6 Bf6 23.Rf2 Rf8 24.Nc5 Nd8 25.Bf4 ½–½. Schlenker,Rainer (2260) – Werner,Veronika, Buehl op rapid, 1992. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 Bf5)

8.Nf3 e6 9.Bd3 Bd3 10.Qd3 a6 11.0-0 Rc8 12.Ng5 Qc7 13.Qf3 h6 14.Qh5 g6 15.Qh3 Nd4 16.cd4 Qc1 17.Nf3 Qf4 18.Nbd2 Bb4 19.g3 Qf5 20.Qg2 Ne7 21.Rfb1 Nc6 22.Qf1 0-0 23.Ra2 Bd2 24.Nd2 Nd4 25.Kg2 Rc7 (25...Qe5?! 26.Rb7 Qf5 27.Qa6-+) 26.f4 Rfc8 27.h3 (27.Qf2 Rc2 28.Rbb2-+) 27...Rc2 28.g4 (28.Rc2 Rc2 29.Qf2-+) 28...Qe4 (28...Qe4 29.Kg1 Qe3 30.Qf2 Ne2 31.Kg2 Nf4 32.Qf4 Qf4 33.Rc2 Rc2-+) 0–1. Ng,Willy – Quirk,Michael, VR–2010-0-00002, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Nf3 e6 9.Be2 a6 10.0-0 (10.Nbd2 b5+=) 10...Nge7 (10...b5 11.Be3-/+) 11.Ba3 (11.Nh4 Bb1 12.Rb1 b5+=) 11...Rc8 (11...f6 12.ef6 gf6 13.Re1+=) 12.Qb3 Qd7 13.Nh4 Bg6 14.Nd2 h6 (14...f6 15.Ng6 Ng6 16.Bf8 Rf8 17.f4+=) 15.Qb6 Bh7 16.c4 (16.Nhf3 Bf5=) 16...Rd8 (better is 16...dc4 17.Nc4 Nd5+=) 17.Nb3?? (better is 17.Qb2+=) 17...Nc8-+ 18.Nc5 (18.Qd8 Qd8 19.Bf8 Rf8-+) 18...Nb6 (18...Bc5!? 19.Qb3 dc4 20.Qg3 Bd4 21.Nf3-+) 19.Nd7 Nd7 20.cd5 (20.Nf3 dc4 21.Bc4 Ba3 22.Ra3 Be4-+) 20...ed5 (better is 20...Nd4 21.Bh5 ed5 22.Bb2-+) 21.e6 (21.Bb2 Be7 22.Nf3 f6-+) 21...Nf6 (21...Nf6 22.ef7 Kf7-+) 0–1. Dansker,German (2060) – Santiago,Castillo, Pan American–ch, 1997. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Nf3 e6 9.Be2 Qc7 10.0-0 Be7 (10...Nge7 11.Na3 Ng6 12.Nb5+=) 11.Na3 Ba3 (11...a6 12.c4+=) 12.Ba3= Nge7 13.Nh4 Bg6 14.Qd2 (14.Bb5 a6 15.Bc5 Rc8+=) 14...b6 (14...f6 15.ef6 gf6 16.Rfe1+=) 15.Bb5 a6 (15...Nc8 16.Rfc1 a6 17.Bb4=) 16.Bd6 (16.Be7 Ke7 17.Ba6 f6+=) 16...Qb7 17.Qa2 a5 18.Qa3 (18.Qa4 Rc8=) 18...Rc8 (18...Nc8 19.Qa4 N8a7 20.Ng6 hg6 21.Rfb1=) 19.Rfc1 (19.Ng6 hg6 20.Be7 Qe7=) 19...Nf5 (19...Bh5 20.c4 dc4 21.Qg3=) 20.Nf5+= Bf5 21.c4 dc4 22.f3 (better is 22.Qf3!? Bd3 23.Ra4+- (23.Bc4?! Bc4 24.Rc4 b5+/-)) 22...Bd3+= 23.Rc3 f5 24.ef6 (24.Qa4 Kd8 25.Rd1 Na7 (worse is 25...Nd4 26.Rdd3 Ne2 27.Kh1 Nc3 28.Rc3+/-) 26.Bc4 Bc4 27.Rc4 Qd7 28.Rc8 Nc8=) 24...gf6+= 25.d5? (better is 25.Rac1!?+=) 25...ed5-+ 26.Re1 Kf7 27.Rd3 cd3 28.Qd3 Kg7 29.Qd5 (29.Ba6 Qd7 30.Bc8 Qd6-+ (30...Qc8?! 31.Qd5 Rg8 32.Kf2=)) 29...Rhd8 30.Re4 Qd7 31.Rg4 (31.Re6 Kh8-+) 31...Kh8 0–1. Grajeda,Jose C (2200) – Sidi,M (2200), Buenos Aires ol (Men), 1978. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.g4 Be6 9.h3 -/+.

8.h4 h5 9.Bd3 Bd3 10.Qd3 e6 11.Ba3 Ba3 (11...Nge7 12.g3-/+) 12.Na3-/+ a6 (12...Nge7 13.Nf3-/+) 13.Nf3=+ Nge7 14.0-0 Nf5 15.g3 0-0 16.Ng5 g6 (16...Qd7 17.Qe2 g6 18.Kg2-/+) 17.Rfb1 b5 18.Nc2 Qc7 19.Ne3 Nce7 20.Rb3 Kg7 21.Rba3 Qc6 22.g4? (better 22.Ng2=+) 22...hg4-+ 23.Ng4 Rh8 24.Nf6 Rh4 25.Kf1 (25.Qf3 Qb7 26.Qg2 Ng8-+) 25...Rh1 (25...Ng8 26.Nf3 Rh1 27.Kg2 Ra1 28.Ra1 Nf6 29.ef6 Kf6 30.Ne5-+) 26.Ke2 (26.Kg2 Ra1 27.Ra1 Rh8-+) 26...Ra1 27.Ra1 Rh8 28.Nf3 (28.Rg1 a5 29.Rb1 b4-+) 28...Rh3 29.Qc2 (29.Rg1-+) 29...Qc4 (29...Qc4 30.Qd3 Qd3 31.Kd3 Rf3 32.Kd2 Rf2 33.Kd3 b4 34.cb4 Nc6-+) 0–1. Gonzalez Delgado,Hugo Andres (1940) – Ruiz C,Joshua D (2385), Superate Intercolegiados – Final Nacion, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.Bd3 Bd3

9.Qd3 e6

10.Ne2 Nge7 11.0-0 Nf5 12.f4 g6 13.Nd2 Be7 14.Nf3 0-0 15.g4 Ng7 16.Kh1 f5 17.ef6 Rf6 18.Rg1 Qd7 19.Be3 a6 20.Ng3 Raf8 21.Ra2 Bd6 22.Ne5 Be5 23.de5 Rf4 24.Bf4 Rf4 25.Qe3 Rg4 26.Rf2 Qe7 27.Rf6 Nf5 28.Nf5 Rg1 (worse is 28...gf5 29.Rg4 fg4 30.Qf4=) 29.Qg1 ef5 30.Rf5 d4 31.cd4 Nd4! 32.Rg5? (32.Qd4 gf5) 32...Nf3 33.Rg6 hg6 34.Qg6 Kf8 35.Qf5 Qf7 36.Qc8 Kg7 37.Qg4 Qg6 38.Qf3 Qc6 (38...Qc6 39.Qc6 bc6-+) 0–1. Kovacs,Gabor (2305) – Parkanyi,Attila (2365), Schneider Memorial op, 1996. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3)

10.Ne2 Nge7 11.Nd2 Nf5 12.0-0 Be7 13.f4 0-0 14.g4 Nh4 15.f5 Bg5 16.Nf3 Nf3 17.Qf3 Bc1 18.Rfc1 Qg5 19.Rcb1 b6 20.Kh1 Na5 21.Nf4 Nc4 22.Rg1 a5 23.Rg2 Qh4 (23...a4 24.Qf2-/+) 24.Qd3? (24.g5 ef5 25.Nd5 Qe4 26.Qe4 fe4+=) 24...g6 (24...a4 25.fe6 fe6 26.Ne6-/+) 25.Rag1 a4 26.Rg3 Qg5 27.Rf3 Rfe8 28.Nh5 Rec8 (28...gh5 29.gh5 Qg1 30.Kg1=) 29.Nf6 Kg7 30.fe6 fe6 31.Qf1 Rc7?? (better is 31...h6-+) 32.h4+= Qd2 (32...Qh4 33.Rh3 Decoy) 33.Rg2 White plans g5 33...Qh6 34.Rh2 White intends h5 34...Nd2 35.g5 Nf1 36.gh6 Kh6 37.Rf1 Rc3 38.h5 g5 39.Ng4 Kg7 40.h6 Kg8 41.Rhf2 Rh3 42.Kg2 Rh4 43.Nf6 Kh8 44.Rc2 Rh6 45.Rc7 Rf8 46.Rh1 (46.Rh1 Rh1 47.Kh1 Rf6 48.ef6+-) 1–0. Noire,Eric (2180) – Taboada,Pedro Pablo (2300), IECG, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

10.Ne2 Nge7 11.Nd2 Nf5 12.0-0 Be7 13.f4 g6 14.Nf3 a6 15.Ba3 Ba3 16.Ra3 0-0 17.g4 Ng7 18.g5 Na5 19.h4 Nc4 20.Raa1 Nf5 21.Nh2 Qe7 22.h5 gh5 23.Rf3 a5 24.Rh3 Qe8 25.Ng3 Ng3 26.Qg3 a4 27.Rh5 Kg7 28.Ng4 Rh8 29.Nf6 Qc6 30.Qh4 (30.Qh4 Ne5 31.Rh7 (31.de5 Qc3 32.Rf1 Qe3 33.Kg2 Kf8 34.Rh7 Rh7 35.Nh7 Ke7 36.g6 Kd7+-; 31.fe5?! Qc3 32.Rf1 Qe3 33.Kh2 Qd3+-) 31...Rh7 32.Qh7 Kf8 33.Qg8 Ke7 34.Qa8+-) 1–0. Noire,Eric (2150) – Boles,Robert (1930), IECG, 1999.

10.Ne2 Nge7 11.Ng3 h5 12.Bg5 Qb6 13.Nd2 Na5 14.0-0 Nec6 15.Rfb1 Qc7 16.f4 g6 17.Ngf1 Be7 18.Ne3 Bg5 19.fg5 0-0-0 20.h4 Kb8 21.Nc2 Kc8 22.Nb4 Rd7 23.Ra2 Kd8 24.Rab2 Ne7 25.Kh2 Nf5 26.Na6 Qc8 27.Nc5 Rc7 28.g3 b6 29.Na4 Ke7 30.Rc2 Qd7 31.Nb2 Rhc8 32.Nd1 Rc6 33.Ne3 Qc7 34.Nf5 ef5 35.Rbc1 Nc4 36.Nc4 Rc4 37.Qf3 Ke6 38.Ra1? (better is 38.Qd1-/+) 38...Rd4! 39.Rca2?! (39.cd4 Qc2 Pinning (39...Qc2 Deflection; 39...Qc2 Clearance)) 39...Qc3 40.Qc3 Rc3 41.Ra4 (41.Ra7 Rd2 (worse is 41...Ke5 42.Re7 Kd6 43.Rf7-+) 42.Kh3 Rdd3-+ (worse is 42...Ke5 43.Rf7 b5 44.Rb7-+)) 41...Rd2 42.Kh3 f4 (42...f4 43.Rf4 Rcc2 (43...Ke5?! 44.Re1 Kd6 45.Rf7-+) 44.Rf6 Ke5-+) 0–1. Krasyakov,Anton A (2005) – Ivanov,Sergey A (2320), Petrozavodsk Elo–C, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

10.Ne2 g6 11.0-0+= Bg7 (11...Qd7 12.Re1+=) 12.Na3 (12.Nd2 Nge7+=) 12...a6 (12...f6 13.Nf4 Kf7 14.ef6 Nf6 15.Re1+=) 13.Qh3 (13.Bf4 b5+=) 13...Nge7 14.Bh6 (14.Bg5 b5+=) 14...Bh6 15.Qh6 Nf5 16.Qh3 (16.Qf4 Qh4-/+) 16...0-0 17.f4 h5 (better is 17...f6-/+) 18.g4? (better is 18.Ng3+=) 18...hg4-+ 19.Qg4 (19.Qd3 Kg7-+) 19...Ne3 20.Qg3 Nf1 21.Rf1 (21.Kf1 Qc7-+) 21...Kg7 22.Qg2 Rh8 (22...Qa5 23.Ra1-+) 23.f5 Rh5?? (23...ef5 24.Rf5 Qh4 25.Rf2-+) 24.f6?? (better is 24.fe6 Ne5 25.de5+=) 24...Kh7-+ 25.Nf4 Rh6 26.Nc2 Qb6 27.h3 (27.Ne3 Nd4! 28.cd4 Qd4 29.Qg3-+) 27...Ne5 28.Kh2 (28.Ne3 Nc4 29.Nc4 dc4-+) 28...Nc4 29.Qg3 (29.Qe2 Qb2 30.Rf3 a5-+) 29...Rg8 (29...Nd2 30.Re1-+) 30.Rf2 (30.Ne3 Nd2 31.Re1 Ne4-+) 30...Qd6 (30...Nd6 31.Qd3-+) 31.Nd3 (31.Qg5 a5-+) 31...Qg3 32.Kg3 b6 (32...Nd6!? 33.Rf3 Nf5 34.Kf2-+) 33.Ncb4 a5 34.Nc6 g5 (34...Rc8 35.Ne7 Ra8 36.Nc6-+) 35.Nce5 (35.Nde5 Nd6 36.Kg2 Rc8-+) 35...Ne3 (better is 35...Nd6 36.Kg2 Rc8 37.Rc2-+) 36.Nf7 Nf5 37.Kg2 (37.Kh2 Rf6 38.Nde5 Rf8 39.Ng5 Kh6-+) 37...Rf6 38.Nde5 Nh4 39.Kf1 Rf2 40.Kf2 Rf8 (better is 40...a4 41.Kg3 a3-+) 41.Ke2 Rg8 42.Ng4?? (42.Kf2 a4 43.Ng5 Rg5 44.Nd3 Rg2 45.Ke3-+) 42...Kg6 (42...a4 43.Kd3 a3 44.Kc2-+) 43.Nfe5 Kg7 44.Nd7 (44.Kd1 Rh8-+) 44...b5 (44...a4 45.Kd1-+) 45.Nc5 Re8 46.Ne5 (46.Ne3 a4-+) 46...Ng6 47.Nc6 (47.Nf3 Kf6 48.Kf2 a4-+) 47...b4! 48.cb4 ab4 49.Nb4 Nf4 50.Kf3 Rh8 51.Kg4 Kg6 (51...Rh3?! 52.Ne6 Ne6 53.Kh3+=) 52.Nc6 Rh4 (52...Rh3?! 53.Ne5 Kf6 54.Nf3 Rf3 55.Kf3-+) 53.Kf3 Rh3 (53...Kh5 54.Kf2-+) 54.Kg4 Rh4 55.Kf3 Kf6 (55...Kh5!? 56.Nd8-+) 56.Nd7 Kf7 57.Nde5 Ke8 58.Nb4 (58.Na7 Kf8-+) 58...Kd8 (58...Nh5 59.Ng4-+) 59.Nbc6 (59.Na6 Ke7-+) 59...Kc7 60.Nb4 Kb6 61.Nc2 Nh5 62.Ng6 (62.Kg2 Ng7-+) 62...g4 (62...Re4 63.Kf2-+) 63.Kg2 Rh3 Black prepares g3 64.Ne5 (64.Ne1 Re3 65.Kf2 Re4-+) 64...Nf4 65.Kg1 Rc3 66.Ne1 g3 67.N5f3 Kb5 68.Kf1 Nd3 (68...Rb3!? 69.Nh4-+) 69.Nd3 Rd3 70.Kg2 Rf3! 71.Kf3 g2! 72.Kg2 Kc4 73.Kf2 Kd4 0–1. Junker,Wilfried – Schmieder,Wolfgang, Hessen–ch Seniors, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

10.Nf3 a6 11.Ng5 Na5 12.Qf3 Nh6 13.Qh5? (better is 13.Nd2-/+) 13...Nb3-+ 14.Ne6 Qb6 15.Nf8 Na1 (15...Nc1?! 16.Ne6 Qe6 17.Qd1-+; 15...Rf8?! 16.Qd1 Na1 17.Qa4 Qb5 18.Qa1-+) 16.0-0 Kf8 (16...Qb1 17.Bh6 Qa2 18.Bg7 Rf8 19.e6+- (19.Bf8?! Kf8 20.Qh7 Re8+=)) 17.Ba3 Kg8 18.Nd2 Nc2 19.Be7 Qe6 20.Bf6 gf6 21.Qh6 fe5 22.Qg5 Kf8 23.de5 Rg8 24.Qf4 Rc8 25.Nf3 Rg4 26.Qd2 Rg2! 27.Kg2 Qg4 28.Kh1 Qf3 29.Kg1 Rc4 (29...Rc4 30.Qh6 Ke8-+) 0–1. Ng,Willy – Quirk,Michael (2025), 2009 EMTF Lechenicher SchachServer, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

10.Nf3 Nge7 -/+.

10.Nh3 Nge7 11.Bg5 Qc7 12.0-0 Ng6 13.f4 (13.Rc1 Qd7-/+) 13...Nce7 (better is 13...h6 14.f5 Nge5 (14...hg5?! 15.fg6 f6 16.ef6=) 15.de5 hg5 16.fe6 fe6 17.Qg6 Kd7 18.Ng5 Qe5-+) 14.Na3+= a6 (better is 14...Qd7+=) 15.Nb5!+/- Qc6 (15...ab5 16.Ra8 Pinning (16.Ra8 Deflection; 16.Ra8 Clearance)) 16.Nd6 White prepares f5 16...Kd7 17.f5 (17.Nf7 Rg8+/-) 17...ef5 18.Nf7 (18.Nf5?! f6 19.ef6 gf6=) 18...Rg8 19.Nd6 h6 20.Bd2 Nh8 21.Nf5 Nf5 (better is 21...Kd8!?+/-) 22.Qf5+- (22.Rf5?! Ng6+/-) 22...Qe6 (22...Kc7 23.Nf4+-) 23.Qf3 g5 24.Qd3 (better is 24.c4 g4 25.Qb3+-) 24...Be7+= 25.c4 Rg6? (25...dc4 26.Qe4 Rgc8 27.d5 Qb6 28.Kh1+-) 26.Ra5 (better is 26.c5!?+-) 26...dc4+= 27.Qe4 Qc6 28.d5 Bc5? (better is 28...Qb6 29.Kh1 Qb2+/-) 29.Kh1+- Qc7 (29...Qb6 30.Qc4 Be7 31.d6 Bd6 32.Qg4 (worse is 32.ed6 Rd6 33.Rd5 Re8+-) 32...Kc7 33.ed6 Rd6 34.Bc3+-) 30.Qf5 (30.d6 Qc6 31.Qf5 Kd8 32.Qf8 Qe8 33.Rc5 Qf8 34.Rf8 Kd7 35.Ra8 Rd6 36.ed6 Kd6+-) 30...Ke8 31.d6 Bd6 (31...Qf7 32.Rc5 Qf5 33.Rf5 Kd7 34.Rc4 a5+-) 32.ed6 Rd6 (32...Qd6 33.Rd5 Rf6 34.Qf6 Qf6 35.Rf6 a5+-) 33.Re5 Kd8 34.Bb4 (34.Qf8 Kd7 35.Re7 Kc6 36.Qf3 Rd5 37.Rc7 Kc7 38.Qd5 Re8 39.Ba5 b6 40.Bb6 Kb8 41.Qd6 Ka8 42.Qc7 Re2 43.Qc8) 34...Nf7 (34...Qf7 35.Bd6 Qf5 36.Rff5 Kd7+-) 35.Bd6 Nd6 36.Qf8 Kd7 37.Re7 Kc6 38.Rc7 Kc7 39.Qa8 c3 40.Qh8 Nb5 41.Qe5 (41.Qh6 Nd6 42.Qg7 Kc6 43.Qc3 Kd7 44.Qg7 Ke6 45.Ng5 Kd5 46.Rc1 b5 47.Qg8 Kd4 48.Nf3 Kd3 49.Qd5 Ke3 50.Re1 Kf4 51.Qg5) 41...Kb6 42.Nf2 a5 43.Nd3 a4 (43...Ka6 44.Rf6 b6 45.Nc5 Ka7 46.Rf7 Nc7 47.Qc7 Ka8 48.Qd8) 44.Rf6 (44.Qc5 Ka5 45.Rf6 c2 46.Qb6) 44...Ka5 (44...Ka7 45.Qc5 b6 46.Qb6 Ka8 47.Rf8) 45.Qc5 b6 (45...c2 46.Qb6) 46.Qb6# 1–0. Condron,J – Woodruff,P, USA–op Chicago, 1994. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 Bf5 8.Bd3 Bd3 9.Qd3 e6)

8.g4 Be4

9.f3 Bb1 10.Rb1+= Qd7 11.Bd3 (11.Qb3 b6+=) 11...e6 12.Ne2 (12.Qb3 b6+=) 12...Nge7 (12...a6 13.h4+=) 13.0-0 (13.h4 a6+=) 13...Nc8 (13...a6 14.Ra1+=) 14.f4 Nb6 15.f5 0-0-0 (15...ef5!? 16.Bf5 Qc7+=) 16.Nf4 (16.fe6 fe6 (16...Qe6?? 17.Bf5+-) 17.Bg5 Be7=) 16...g6 17.Qf3 (17.fe6 fe6 18.g5 Re8+=) 17...Kb8 (17...gf5 18.gf5 Re8 19.Nh5=) 18.Qh3 (18.fe6 fe6 19.g5 Re8+=) 18...Be7 (18...gf5 19.gf5 Re8 20.Kh1=) 19.Rf3 (19.f6 Bf8+=) 19...Rdg8 (19...ef5 20.gf5 gf5 21.Bf5 Rdg8 22.Kh1+=) 20.f6+= Bd8 (20...Bf8 21.Rf2+=) 21.g5 (21.Qh6 Nc4+=) 21...Bc7 (21...h6 22.gh6 Rh7 23.Bb5=) 22.Bb5 (22.Qh6 Nc4+=) 22...a6 (22...h6 23.gh6 a6 24.Bd3=) 23.Be2 Na5 (23...h6 24.gh6 Nc4 25.h7=) 24.Qf1 (24.Qh6 Nac4+=) 24...Nac4 (24...h6 25.gh6 Qc6 26.Nh3=) 25.Nd3+= a5 (25...h6 26.Nc5 Qc6 27.Bc4 Nc4 28.Rb7 Ka8 29.Rf2=) 26.Nb2 Qc6 27.Nc4 (27.Ra1 Bd8+=) 27...Nc4= 28.Bc4 (28.Rh3 Kc8=) 28...dc4 (28...Qc4 29.Qc4 dc4 30.Be3=) 29.Rf2 (29.Rh3 Kc8+=) 29...Rd8 30.Rfb2 (30.Ra2 Kc8+=) 30...b6= 31.Rb5 (31.Qd1 Kc8=) 31...Rd5 32.Rd5 Qd5 33.Qg2 (33.Rb2 Kc8=) 33...Qg2+= 34.Kg2 Rd8 (34...Kb7 35.Kf3+=) 35.Kf3 (35.Ba3 Kb7+=) 35...Kb7 36.Ke4 (36.Be3 Kc6+=) 36...Kc6 37.h4 (37.h3 b5-/+) 37...Rd5 (37...b5 38.Be3-/+) 38.Ba3+= b5 39.h5 (39.Be7 Bb6 40.Rd1 Kd7+=) 39...Bb6 (39...gh5 40.Rb2-/+) 40.hg6 (40.Rd1 gh5 41.Rh1 b4-+) 40...hg6 41.Rh1 (41.Rd1!?-/+) 41...b4!-+ 42.Bb2 (42.cb4 Bd4 Deflection) 42...Rd7 (42...Kb5 43.Ra1-+) 43.Rh7 (43.Rh8 Rb7-+) 43...bc3 (43...Kb5!? 44.Rh8-+) 44.Bc3 Rd5?? (better is 44...a4-+) 45.Rh1 ½–½. Ibba,Isacco (2220) – Chiarotto,F (2080), Capo d'Orso Open, Porto Mannu Palau ITA, 2008.

9.f3 Bg6 10.Qb3 Qd7 11.Nh3 -/+.

9.f3 Bg6 10.h4 e6 11.h5 Bb1 12.Rb1 Qc7 13.Qb3 0-0-0 14.Rh2 Nge7 15.Rhb2 Na5 16.Qa4 f6 17.Ra2 Nec6 18.Bf4 fe5 19.Be5 Bd6 20.f4 Be5 21.fe5 Rhf8 22.Be2 Qe7 23.Nf3 Nc4 24.Qb5 h6 25.Ra6 Qc7 26.Bc4 dc4 27.Nd2 Rd5 28.Rc6 Qc6 29.Qc6 bc6 30.Nc4 Kc7 31.Ra1 Ra8 32.Nd6 a5 33.Ke2 a4 34.Ra3 c5 35.Kd3 cd4 36.cd4 Rd6 37.ed6 Kd6 38.Ke4 Ra7 39.Ke3 Kd5 40.Kd3 e5 41.de5 Ke5 42.Ke3 Ra8 43.Kf3 Rf8 44.Kg2 Rf4 45.Kg3 Rb4 46.Re3 Re4 47.Rf3 Ke6 48.Rd3 Rb4 49.Re3 Kd6 50.Rd3 Ke6 51.Re3 ½–½. Neumann,Ulrich – Betts,Michael (1655), IECG, 2002.

9.f3 Bg6 10.h4 h5 11.Ne2 hg4 12.Nf4 Bf5 (12...Bb1 13.Rb1 g5 14.Ng2-/+) 13.fg4-/+ Be4 14.Rh2 g5 15.Nh5 (15.hg5 f6 Double attack (15...Rh2 Pinning; 15...Rh2 Deflection; 15...f6 Decoy)) 15...gh4 16.Nd2 Bg6 17.Nf4 e6 18.Ng6 fg6 19.Bd3 (19.Nf3 Qc7+=) 19...Nge7 (19...g5 20.Nf3 Be7 21.Rb1-/+) 20.Nf3+= Qc7 21.Bf4 (21.Qc2 Rc8+=) 21...Bg7-/+ 22.Ng5 Kd7 23.Qd2 a6 24.Nf3 h3 25.Kf1 (25.Ng5 Na5 26.Ra3 Nc4 27.Bc4 Qc4 28.Rh3 Raf8 29.Rh8 Rh8-/+ (29...Bh8?! 30.Nh7 Rf7 31.Ng5+=)) 25...Raf8 (25...Na5 26.Ra3-+) 26.Kg1 (26.Ke2 Na5 27.Rah1 Nc4-/+) 26...Rf7 (26...Na5!? 27.Qe3 Nc4 28.Bc4 dc4 29.Bg5-+) 27.Ng5-/+ Rff8 (27...Rf4 28.Qf4 Ne5 29.Qe3-/+ (29.de5? Be5 30.Qa4 b5 31.Bb5 ab5 32.Qb5 Qc6 33.Ra7 Bc7-/+)) 28.Re1?? (28.Nf3 Na5 29.Qe3-+) 28...Rh4 29.Be2 Qb6 30.Kh1 Nd8 (30...Na5 31.Nh3 Rfh8 32.Kg2-+) 31.Nh3 Rfh8 32.Kg2 Nf7 33.Rf1 Bh6 34.Bh6 Nh6 35.Kg3 Qd8 (35...Nhg8 36.Rfh1-/+) 36.Rf6 (better is 36.Qb2 Kc8 37.Rb1+=) 36...Nhg8-/+ 37.Rf7 Qe8 38.Qf4 Kc6 (38...Nh6 39.Rf6-/+) 39.Rf8+= Qd7 40.Qg5 R4h7 41.Bd3 The isolani on g6 becomes a target 41...Rg7 (better is 41...Kc7-/+) 42.Nf4+= The pressure on the isolated pawn grows 42...Rh2 43.Kh2 a5 (better is 43...Rh7 44.Kg1 a5+/-) 44.Nh5! (worse is 44.Ng6 Ng6 45.Bg6 Ne7=; worse is 44.Bg6 Ng6 45.Ng6 Kc7-/+) 44...Rh7 (44...gh5 45.Qg7 Pinning (45.Qg7 Deflection)) 45.Bg6 Ng6 46.Qg6 (46.Rg8?! Ne7 47.Rg7 Rg7 48.Qg7 Kb5+=) 46...Qe7? (46...Nh6 47.Kg3 Ng4 48.Kg4 b6+-) 47.Rg8 (better is 47.Qg8 Kb5+-) 47...Qh4 (47...Qf7+-) 48.Kg2 Re7 49.Re8 Qe1 (49...Kb5+-) 50.Re7 Qe2 (50...Qd2 51.Kh3 Qc3 52.Kh4+-) 51.Kh3 Qf1 52.Kh4 Qh1 53.Kg5 Qc1 54.Kf6 (54.Nf4 Qc3 55.Qe8 Kb6+-) 54...Qf1 55.Ke6 (55.Kg7 Qc4 56.Qe6 Kb5 57.Rb7 Ka4 58.Qd7 Ka3 59.e6 Qc3 60.Qd6 Qb4 61.Rb4 ab4 62.e7 Kb3 63.e8Q Kc4 64.Qe2 Kb3 65.Qd5 Kc3 66.Qdc4) 55...Kb5 56.Rb7 Kc4 (56...Ka6 57.Rb3 Qb5 58.Ke7 Ka7 59.Rb5 a4 60.Qb6 Ka8 61.Qb7) 57.Qc2 Qf3 (57...Qf8 58.Qe2 Kc3 59.Qb2 Kc4 60.Rc7 Qc5 61.Rc5 Kd3 62.Kd5 a4 63.Rc3) 58.Qa4 (58.Rc7 Kb5 59.Qb3 Ka6 60.Qb7) 58...Kd3+- 59.Qb5 (59.Nf6 Qh1+-) 59...Ke3 60.Nf6 Qh3 61.Nd5 Kf2 62.Rf7 Ke1 63.Qb1 Ke2 64.Qe4 Kd1 65.Rf2 Qh6 66.Nf6 Qd2 67.Qb1 Qc1 68.Qd3 1–0. Fier,Alexandre S – Vera Insfran,Jorge E, Pan American–ch U12, 2000. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.g4 Be4)

9.f3 Bg6 10.h4 h5 11.e6 Qd6 12.ef7 Bf7 13.g5 e5 14.Ne2 Nge7 15.Na3 Ng6 16.Kf2 Be7 17.Ng3 Qd8 18.Rb1 Qa5 19.Rb5 Qc7 (19...Qc3 20.Bb2 Qb2 21.Rb2 Ba3 22.Rb7+-) 20.Qb3 b6 21.Bd3 e4! 22.fe4 de4 23.Bc4 0-0 24.Rf5 Bc4 25.Qc4 Kh8 26.Qe6 Qd6 (better is 26...Ba3 27.Ba3 Rf5 28.Qf5 e3 29.Kg2 Nce7 30.Be7 Ne7+=) 27.Qd6?? (better is 27.Qe4 Qd7 28.Rf8 Rf8 29.Kg2 Ba3 30.Qg6 Qd5 31.Kh3=) 27...Bd6-+ 28.Rf8 Rf8 (worse is 28...Nf8 29.Ne4 Rd8 30.Nb5+=) 29.Kg2 Bg3 30.Kg3 Rf3 31.Kg2 Rc3 32.d5 Nce5 33.d6 Rd3 34.Nb5 a6 35.Nc7 Rd6 36.Na6 Nd3 37.Be3 Rc6 38.Rb1 Nh4 39.Kh3 Nf5 40.Rb6 Nf4! (40...Ne3?! 41.Rc6 Nf5 42.Nc5 Nf4 43.Kh2-/+) 41.Kh2 (41.Bf4 Rb6 Deflection (41...Rc3 Decoy)) 41...Rc2 (41...Ne3?! 42.Rc6 Kh7 43.Nc5 Nf1 44.Kg1-/+) 42.Kh1 (42.Bd2 Rd2 43.Kg1 Rg2 44.Kf1 Ne3 45.Ke1 Nd3) 42...Ng3 0–1. Ungureanu,Constantin – Geiser,Laurent, Geneve op, 1993. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.g4 Be4)

9.f3 Bg6 10.h4 h6 11.h5 Bh7 12.Qb3 Qc7 13.Na3 0-0-0 (13...Rd8!?+=) 14.Nb5= Qb8 15.Rh2 a6 16.Rha2 e6 (16...ab5? 17.Ra8 b4 18.Bb5+-) 17.Ba3 Ba3 (17...ab5? 18.Bf8 Rf8 19.Ra8+-) 18.Ra3 Ne5 (18...ab5? 19.Ra8+-) 19.de5 Qe5 20.Ne2 Ne7 (better is 20...ab5!? 21.Ra8 Kc7 22.Qb5 Nf6 23.Qc5 Kd7=) 21.Ra6 (21.Ra6 ba6 22.Ra6+=) 1–0. Goebl,Werner – Bier,Norbert, corr, 1998. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

8.g4 Bg6

9.Ne2 Rc8 10.h4 (10.Nd2 e6=+) 10...e6 (10...f6 11.e6 Qd6 12.Nf4=) 11.Nf4=+ Be4 (11...Be7!? 12.Nd2 Bh4=+) 12.f3+= Bb1 13.Rb1 Qc7 14.Bd2 a6 15.Bd3 b5 16.0-0 (16.Ra1 Qb6=) 16...Be7 17.g5 g6 18.Ra1 Qb6 19.Qb3 Bd8 20.Rfb1 (20.Kg2 Nge7=) 20...Nge7 21.Qa3? (21.Kg2 0-0=) 21...Nb8?? (better 21...Ne5!? 22.Be2 Rc6-+) 22.Ne2 (22.Kg2 Nf5 23.Rh1 Be7=) 22...Rc6 (22...Nf5 23.Kf2=+) 23.Nc1 (23.Ng3 Nf5 24.Nf5 gf5=+) 23...Nf5 24.Bf5 gf5 (worse 24...ef5 25.Nd3+=) 25.Nd3 h6 (25...Nd7 26.Kg2 Be7 27.Qa5-/+) 26.gh6= Qb7 (26...Bh4!? 27.Qa5 Qb7=) 27.Bg5+= Qc8 (27...Be7 28.Qc1+=) 28.Nc5 (28.Rc1 Qb7+-) 28...f4 (28...Nd7 29.Na6 Rc3+=) 29.Kh2 (29.Qc1!? Bb6 30.Qf4 Bc5 31.Qf6 Rh6 32.Qh6+-) 29...Nd7 (29...Bg5!? 30.hg5 Qd8=) 30.Na6+= (worse 30.Bf4 Nc5 (worse 30...Bh4 31.Na6 Be7 32.Nc5+=) 31.dc5 Bh4=+) 30...Rc3 31.Qb4 (31.Rc1 Rc4+=) 31...Rc2 (worse 31...Rf3 32.Rc1 Rf2 33.Kh3+-) 32.Kh3 Rc3? (32...f6 33.Bf4 fe5=) 33.Kg4?? (33.Nc5 f6 (33...Rf3?? 34.Kg4 Rg3 35.Kf4 Rg5 36.hg5+-) 34.Qc3 fg5+-) 33...f5 (33...f6 34.Bf4 Be7 35.Qb5=+) 34.ef6 (34.Kh5!?+-) 34...Bf6 (34...Nf6 35.Bf6 e5 36.Kh5 Qf5 37.Bg5 Rc6 38.Qd6 Rd6 39.Nc7 Kf8 40.Ne6 Re6 41.Rb5 Rhh6) 35.Qd6 Bg5?? (better 35...Rc6 36.Rc1!? A) 36...Rc1 37.Rc1 (37.Qe6 Kd8 38.Rc1 Ne5 39.Kf5 Qe6 40.Ke6 Bg5 41.hg5 Nf3+-) 37...Qd8 38.Nc7 Kf7 39.Qe6 Kf8 40.Nd5 Rg8 41.h7 Rg6 42.Nf4 Kg7 43.Ng6 b4 44.h8Q Qh8 45.Qd7 Kg6 46.Qf5 Kf7 47.Rc7 Kf8 48.Qc8 Bd8 49.Qd8; B) 36...Rd6 37.Rc8 Kf7 38.Rh8 Bh8+=) 36.hg5+- (36.Kg5?? Qd8 37.Qe7 Qe7 38.Kg4 Rg8 39.Kh3 Rf3 40.Kh2 Qh4) 36...Nf8 (36...Rc6 37.Nc7 Rc7 38.Qe6 Kd8 39.Qd5 Rc6 40.Rb5 Ke7 41.Re1 Kd8+-) 37.Rb5 e5 (37...e5 38.Kh4 Nd7+-) 0–1. Gonzalez Delgado,H A (1940) – Diaz Herrera,L A (1965), Superate Intercolegiados – Final Nacion, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5 8.g4 Bg6)

9.Ne2 Qd7 10.h3 (10.Nf4 Be4 11.f3 Bb1 12.Rb1 e6=+) 10...f6 11.ef6 Nf6 12.Bg2 (12.Nf4 Bf7=+) 12...Rd8 (12...e6 13.Nf4-/+) 13.0-0 e5 (13...e6 14.Nf4=+) 14.Ba3 (14.de5!? Ne5 15.Nd4=+) 14...Ba3-/+ 15.Na3 e4 16.Nf4 Bf7 17.g5 Ng8 (17...Qf5 18.gf6 Qf4 19.fg7-/+) 18.h4 (better 18.f3 e3 19.Re1=+) 18...Be6 (18...Qf5 19.Nh5 Kf8 20.Qe2-+) 19.h5 (19.f3!?=) 19...Bg4 (19...Nge7 20.Nb5 0-0 21.Ne6 Qe6 22.Na7-/+) 20.Qd2 (better 20.f3!? Bf5 21.Re1=+) 20...Nge7 21.h6 (21.f3 ef3 22.Bf3 Bf3 23.Rf3 0-0-/+) 21...gh6 22.gh6 Rg8 23.Nc2 (23.Rfb1 Bf3 24.Nc2 Qg4-+) 23...Bh3 (23...Qd6 24.Ne1-+) 24.Nh3 (better 24.f3-+) 24...Qh3 25.Ne1 Rd6 26.Qf4 Rdg6 27.Qe3 (27.Qh2 Qc3 28.Rd1-+) 27...Rg2 (27...Rg2 28.Ng2 Qg2) 0–1. Martinez,Laura Natalia – Valencia,Luisa Fernanda, Superate Intercolegiados – Final Nacion, 2014. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

9.Ne2 Nh6 10.Nf4=+.

9.f4 e6 10.Nf3 Nge7 11.Na3 h5 12.f5 ef5 13.g5 h4 14.Nb5 Nc8 15.Qb3 a6 16.Qd5 Nb6 17.Nd6 Bd6 18.Qd6 Qd6 19.ed6 0-0-0 20.Ba3 Nd5 21.Kd2 Na5 22.Rb1 f4 23.Bd3 Bd3 24.Kd3-/+ Rhe8 25.Ne5 f6-+ 26.gf6 gf6 27.Ng4 b5 28.Rbe1 Nc4 29.Bc1 Re1 30.Re1 Rg8 31.Nh6 Rg2 32.Ke4 Nc3 33.Kf3 Rg7 34.Bf4 Kd7 35.Ra1 a5 36.Nf5 Rh7 37.Ne3 Nd2 38.Kg4 a4 39.Nf5 Nb3 40.Re1 a3 41.Bc1 b4 42.h3 Nc1 43.Rc1 Rh8 44.Nh4 a2 (44...a2 45.Nf5 Rg8 46.Kf3 b3 47.Rc3 a1Q 48.Rc7 Ke6-+) 0–1. Berkley,Stephen (1620) – Jobe,Tom (1825), IECC, 2000.

9.Nh3 e6 -/+.

9.h4 h5 10.g5 e6 11.Bd3 Bd3 12.Qd3 Nge7 13.Ne2 Nf5 14.Ng3 Ng3 15.fg3 Ne7 16.0-0 Nf5 17.Na3 a6 18.Nc2 Qc7 19.Bd2 Rc8 20.Rf5 ef5 21.Ne3 Qd7 22.c4? (better is 22.Ra5!?-/+) 22...dc4-+ 23.Nc4 Bc5! 24.Be3 (24.dc5 Qd3) 24...0-0 25.Rd1 Rfd8 26.d5 f4! 27.gf4 (27.Bc5 Rc5 28.Nd6-+) 27...Qg4 28.Kf1 b5 29.Bc5 Rc5 (better is 29...bc4 30.Qe2 Rc5 31.Qg4 hg4 32.d6-+) 30.Nd6 (30.Ne3 Qf4 31.Kg2 Qh4 32.Qf5-+) 30...Qf4 31.Kg2 Qe5 32.Nf5 Rc3 (32...Rc3 33.Ne7 Qe7 34.Qc3 Qe2 35.Kg3 Qd1-+; 32...Qd5?! 33.Qd5 Rcd5 34.Ne7 Kf8 35.Nd5+=) 0–1. Van der Pluijm,Rick (1665) – Goudriaan,Etienne (1800), Hengelo U16 op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 Bf5)

9.h4 h5 10.g5 e6 11.Nh3 Bf5 (11...Nge7 12.Nd2-/+) 12.Nf4 g6 13.Ng2 (13.Nd2!?-/+) 13...Nge7 14.Ne3 Nc8 (better is 14...Bg7!?-+) 15.Nf5+= ef5 16.Rh3 (16.Bd3 Nb6+=) 16...Nb6 17.Nd2 Be7 18.Nf3 Qc8 (18...Qc7 19.Qb3-/+) 19.Ng1 Nd8 20.e6? (better is 20.Ne2-/+) 20...Ne6-+ 21.f4 (21.Nf3 0-0 22.Ne5 Rd8-+) 21...Bd6 (21...0-0 22.Kf2-+) 22.Bb5 Kf8 23.Rf3 (23.Ne2 Qc7-+) 23...Kg7 24.Kf2 Qc7 (24...a6 25.Be2-+) 25.Ne2 a6 26.Bd3 Nc4 27.Qc2 (27.Bc4 Qc4 28.Ba3 Ba3 29.Ra3 Qc6-+) 27...Rhe8 (better is 27...b5 28.Qb3-+) 28.Ng3 (28.Qa2 b5-+) 28...Bf4 29.Bf5 (29.Kg2 a5-+) 29...Bg3 30.Rg3 Nf4 31.Bd3 Nd3 32.Qd3 Re4 33.Qf3 (33.Rg2 Rae8 34.Qf3 Nd6-+) 33...Rae8 34.Ra2 (34.Rh3-+) 34...Ne3 (34...Nd6 35.Bf4 Rf4 36.Qf4 Ne4 37.Kf3-+) 35.Qf6?? (better is 35.Be3 Qc3 36.Qf6 Kg8 37.Re2+=) 35...Kg8-+ 36.Be3 R8e6 37.Re2 (37.Qe6 fe6 38.Kg2 Rh4-+) 37...Rf6 38.gf6 Qc3 39.Rf3 (39.Kg2 b5 40.Bf2 Qg3 (40...Re2 41.Rc3 Kf8 42.Kf3+=) 41.Bg3 Re2 42.Kf3 Rb2-+) 39...Rh4 40.Kg3 (40.Kg2 Qd3 41.Ref2 Qb1-+) 40...Rg4 41.Kf2 (41.Kh2 Rd4 42.Kg2 Rg4 43.Kf2 d4-+) 41...a5 42.Re1 (42.Rd2 a4 43.Re2 a3-+) 42...a4 43.Rc1 (43.Bf4 Qd4 44.Be3 Qb2 45.Re2-+) 43...Qb2 44.Ke1 Rg1! 45.Rf1 Rg2 46.Rc8 Kh7 47.Rf2 Rg1 (better is 47...Qb1!? 48.Rc1 Rg1 49.Rf1 Rf1 50.Kf1 Qd3 51.Kf2-+) 48.Rf1 Qb1 49.Rc1 Rf1 50.Kf1 Qf5 (better is 50...Qd3!? 51.Kf2 a3 52.Kf3-+) 51.Ke2 Qf6 (51...a3 52.Ra1 Qc2 53.Kf3-+) 52.Rf1 (52.Ra1 Qa6 53.Kf2 Qd3-+) 52...Qa6 53.Kf2 a3 54.Bd2 Qd3 55.Ke1 a2 56.Rf7 Kg8 57.Rc7 a1Q 58.Rc1 0–1. Helin,Mikael (1910) – Doell,Detlef (2040), Reykjavik Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.e5 Bf5)

7.e5 g6

8.Bd3 f6 9.Nf3 =+.

8.Bd3 Bg7 9.Ne2 f6 10.f4 Nh6 11.Nd2 0-0 12.Nf3 Bf5 13.0-0 Qd7 14.Bb5 a6 15.Ba4 b5 16.Bb3 a5 17.Ng3 fe5 18.Ne5 Ne5 19.Nf5 Nf5 20.fe5 e6 21.Rf3 Qc7 22.Ba3 b4! 23.cb4 Nd4! 24.Rf8 Rf8 25.ba5 Nb3 26.Bf8 Na1 27.Bg7 Nc2 28.Bh6 Qa5 29.Bd2 Qa7 30.Kh1 Qa1 31.Qa1 Na1 32.Kg1 Nb3 33.Bb4 Nd4 34.Kf2 Nc6 35.Bc3 Kf8 36.Ke3 Ke8 37.Bb2 Kd7 38.h4 Kc7 39.Kf4 d4 40.Ke4+= Kb6 41.Bd4 Nd4 42.Kd4 Kb5 43.Ke4 Kc4 44.Kf4 h6 0–1. Noire,Eric (2180) – Bourquin,Pascal (2370), IECG, 1999.

8.Bd3 Bg7 9.Nf3 f6 10.Bf4 fe5 (10...Bg4 11.h3 Bf3 12.ef6 Nf6 13.Qf3+=) 11.de5 (11.Ne5 Nf6+=) 11...Nh6-/+ 12.Ng5? (better is 12.Qd2 Nf7 13.Qe3-/+) 12...0-0-+ (worse is 12...Ne5 13.Bb5 Nc6 14.Qe2-+; 12...Be5?! 13.Be5 Ne5 14.Bb5 Nc6 15.Bc6 bc6 16.Qd4-+) 13.Bg3 (13.Ra4 Ne5 14.Be2 Bf5-+) 13...Ne5 14.Bc2 (14.Bb5 Nf5-+) 14...Nc4 15.Bb3 b5 16.Ra2 (16.Bc4 bc4 17.0-0 e5-+) 16...e5 17.0-0 (17.Bc4 bc4 18.Qd2 Nf5-+) 17...Nf5 (17...Qg5?! 18.Qd5 Be6 19.Qe6 Nf7 20.Bc4 bc4 21.Qc4=) 18.Nf3 Ng3 19.hg3 (19.fg3 Qb6 20.Rff2 Ne3-+) 19...Bg4 20.Qe1 (20.Qc2 Bf3 21.gf3 Rf3-+) 20...Bf3 21.gf3 Rf3 22.Nd2 Rc3 (better is 22...Rd3 23.Nc4 bc4 24.Bc2-+) 23.Bc4 (23.Nc4 Rb3 (23...bc4?! 24.Qc3 e4 25.Qc2 cb3 26.Qb3-+; 23...dc4?! 24.Qc3 Qd4 25.Qd4 ed4 26.Bd1+=; 23...Rc4?! 24.Bc4 bc4 25.Qe3-+) 24.Ne5 Qd6-+) 23...bc4 (worse is 23...dc4 24.Ne4 Rd3 25.Ra6-+; 23...Rc4?! 24.Nc4 bc4 25.Qd2-+) 24.Ne4 Rb3 (24...Rf3 25.Nd2 Rf5 26.Qe3-+) 25.Nc5 (25.Rd2 Qa5 26.Qe2 Rab8-+) 25...Rb6 0–1. Illig,Ursula – Muench,Ursula, Bayern–chA (Women), 1992. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

8.Ne2 a6 9.Nf4 =+.

8.Ne2 h5 9.Nf4 e6 (9...Bh6 10.Qb3 Bf4 11.Bf4=) 10.Bd3 Nge7 11.Na3 Bd7 (11...h4 12.Nb5 Nf5 13.Ba3=) 12.Nb5+= Nf5 13.Bf5 gf5 14.Nh5 Ne5 (14...Be7 15.Nf6 Kf8 16.Ba3 Ne5 17.Nd6+= (worse is 17.Nd7 Qd7 18.Be7 Ke7+=)) 15.de5 (15.Nf6 Qf6 16.Nc7 Ke7 17.Na8 Bb5=) 15...Rh5 (15...Bb5?? 16.Nf6 Qf6 17.ef6+-) 16.Qh5 Bb5 17.Be3 Qc7 18.Bd4 a6 (18...a5 19.h4+=) 19.Qd1 (19.h4 b6+=) 19...Qc4 20.f4 Bc5 (20...a5 21.Qd2=) 21.Qd2 0-0-0 (21...Bf8 22.h4+=) 22.Kf2 Be7 23.Rhb1 (23.Qd1 Rg8+=) 23...Rh8 24.Kg1 Kc7 (24...Kd7 25.Ra5+=) 25.Bf2 (25.Ra5 Kd7+=) 25...Rc8 (25...Qd3 26.Qb2+=) 26.Qd4 (26.Be3 Kd7 27.Bd4 Rh8+=) 26...Qc6 (26...Qd4 27.Bd4 Rh8 28.g3+=) 27.Rc1 (27.Qd1 Kd8+=) 27...b6 (27...Kd8 28.Qd1+=) 28.Qd1 (28.Qe3 Bc5 29.Qd2 Kd7+=) 28...Kb7 (28...Kd8 29.Qh5 Ke8 30.Qh8 Bf8 31.Bd4+=) 29.Qh5+/- Qe8 30.Bd4 Qg8 31.Rcb1 Rc4 32.Qf3 Qc8 (better is 32...Qg4 33.Qe3 Kc8+/-) 33.Qh5 (33.Ra2 Qc7+/-) 33...Qg8 34.Kh1 (34.Qh6 Rc6+/-) 34...Rc8 (34...Rc6 35.Rb2+/-) 35.Qd1 (35.Qf3 Rc6+/-) 35...Rc4 36.Qb3 Qe8 37.Qd1 Qc6 (37...Qg8 38.Qd2 Qg4+/-) 38.Rb2 (38.Qh5 Qe8+/-) 38...Bc5 39.Re2 (39.Rd2 Kc8+/-) 39...Be7 (39...Bd4 40.cd4 Rd4 41.Qd4 Be2 42.Rb1+/-) 40.Rea2 Bc5 41.h4 (41.Qd2 Kc8+=) 41...Qe8 (41...Kc8 42.h5 (42.Ra6? Ba6 43.h5 Bb7-+) 42...Bf8 43.Qd2+=) 42.g3 (42.Bc5 Rc5 43.Ra3 Qe7+=) 42...Qg8 43.Kh2 (43.Kg2 Bd4 44.cd4 Kc8+/-) 43...Bd4 (43...Kc7 44.Ra6 Ba6 45.Ra6=) 44.cd4+/- Rc3 45.Rg2 (45.Qe1 Rc4+/-) 45...Rd3 46.Qg1 Qg4 47.Qf2 Bc4 (47...Kc8 48.Rc1 Kd8 49.Qb2+=) 48.Qe2 (better is 48.Qe1!?+/-) 48...Qg7 ½–½. Kroon,Piet – Weiss,Leon, La Habana olm fin–D, 1966. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

8.Bd3 Nh6

9.Qb3 b6 A) 10.Nf3 Bg7 (10...a6 11.Qa4 Bb7 12.0-0 Bg7 13.Bf4 0-0 14.Re1 b5 15.Qd1 Qd7+=; 10...Nf5 11.0-0 a6 12.Nbd2 Bg7 13.Qa4 Bb7 14.Qc2 Qd7 15.Qb1 Qc7=; 10...Qd7 11.Bb5 a6 12.Bd3 b5 13.0-0 Bg7 14.Re1 Ra7 15.Na3 0-0+=) 11.Bb5 Bb7 12.0-0 a6 13.Bd3 0-0 14.Bf4 b5 15.Nbd2 Nf5+=; B) 10.Bb5 Bb7 11.c4 e6 12.cd5 Qd5 13.Qd5 ed5 14.Nf3 a6 15.Ba4 Bb4+=; C) 10.Nd2 Nf5 (10...a6 11.Ngf3 Bg7 12.0-0 0-0 13.c4 Bf5 14.Rd1 Bd3 15.Qd3 Nf5-/+; 10...Bg7 11.Ne2 0-0 12.Nf4 e6 13.Ba3 Re8 14.Nf3 f6 15.ef6 Qf6+=) 11.Ngf3 Bg7 12.Bb5 Bb7 13.g4 Nh6 14.g5 Nf5 15.Bd3 h6-/+; D) 10.Ne2 Bf5 11.Bb5 Qd7 12.c4 Be4 13.Nec3 Nf5 14.cd5 Nfd4 15.e6 fe6+=.

9.Qb3 Rb8 A) 10.Bf4 Bg7 11.Bb5 Ra8 12.Nf3 0-0 13.0-0 a6 14.Bc6 bc6 15.Nbd2 Bf5+=; B) 10.Nd2 a6 (10...Bg7 11.Bb5 Ra8 12.Ne2 Bf5 13.Nf4 e6 14.Ba3 Qd7 15.Bc5 a6=; 10...Nf5 11.Ne2 Bh6 12.Nf3 Bc1 13.Rc1 Be6 14.Nf4 Ng7 15.0-0 0-0=; 10...Bf5 11.Bb5 Ra8 12.Bc6 bc6 13.Qb7 Bd7 14.Ra7 Ra7 15.Qa7 Bg7=) 11.Ngf3 Bf5 12.Bf5 Nf5 13.Nf1 Qd7 14.Ne3 Ne3 15.Be3 Bg7+=; C) 10.Bb5 Ra8 11.Ne2 a6 12.Nf4 e6 13.0-0 Bd7 14.Bd3 b5 15.Nh3 Bg7+=; D) 10.Nf3 Bg4 (10...Bf5 11.Bb5 Ra8 12.c4 Be4 13.Nc3 Bf3 14.gf3 Nf5 15.cd5 Nfd4+/- 1.16) 11.Bb5 Ra8 12.c4 dc4 13.Qc4 Bf3 14.gf3 Qc7 15.Nc3 Kd8=.

9.Qb3 Ng4 A) 10.Ne2 Bg7 (10...b6 11.Bb5 Bb7 12.c4 a6 13.Ra6 Ra6 14.cd5 Qa8 15.Qf3 Ra1+/-; 10...e6 11.Bf4 g5 12.Bg3 h5 13.h3 Nh6 14.h4 g4 15.Nf4 Ng8=; 10...f6 11.h3 Nh6 12.ef6 ef6 13.0-0 Ng8 14.Re1 Kf7 15.Nf4 Nce7+/-) 11.0-0 0-0 12.Nf4 e6 13.h3 Nh6 14.Ba3 Re8 15.Re1 Nf5+=; B) 10.h3 Nh6 11.Ne2 Nf5 12.0-0 e6 13.Nd2 Bg7 14.Re1 0-0 15.Ba3 Re8=; C) 10.Nd2 Bg7 (10...f6 11.h3 Nh6 12.ef6 ef6 13.Ne2 Nf5 14.0-0 Nfe7 15.Re1 Kf7=) 11.Ne2 0-0 12.h3 Nh6 13.Nf4 e6 14.Ba3 Re8 15.Bc5 f6+=; D) 10.Nf3 Bg7 11.0-0 0-0 12.Re1 Nh6 13.Bf4 Nf5 14.Nbd2 Qd7 15.Ng5 Nh6=.

9.Qb3 Bg7 10.Ne2 0-0 11.Nf4 e6 12.Ba3 Re8 13.Bc5 f6 14.Bb6 Qe7 15.Bc5 Qc7 -/+.

9.Ne2 Bg7 (9...Bf5 A) 10.Bh6 Bh6 11.Bf5 gf5 12.Ng3 e6 13.Nd2 Rg8 14.Nf3 Qc7 15.0-0 a6+=; B) 10.Nf4 Bd3 (10...Qd7 11.Be2 Bg7 12.Qb3 e6 13.Nd3 Bd3 14.Bd3 0-0 15.h4 Nf5+=; 10...e6 11.0-0 Bd3 12.Nd3 Nf5 13.Qb3 Qc7 14.Na3 Be7 15.Nb5 Qd7+=; 10...Rc8 11.0-0 Bd3 12.Qd3 e6 13.Be3 Nf5 14.Nd2 Be7 15.Rfc1 Qd7+=) 11.Qd3 e6 12.Nd2 Nf5 13.0-0 Bh6 14.Ne2 f6 15.Nf3 fe5-/+; C) 10.0-0 Bd3 11.Qd3 Nf5 12.Nf4 e6 13.Be3 Be7 14.Nd2 0-0 15.Rfc1 Qd7-/+; D) 10.Bb5 a6 11.Bc6 bc6 12.0-0 Qd7 13.Ng3 Bg7 14.Bf4 Bg4 15.f3 Be6+=) 10.Bg5 (10.Qb3 0-0 11.Nf4 e6 12.Ba3 Re8 13.Bc5 f6 14.Bb6 Qe7 15.Bc5 Qc7-/+) 10...f6 (10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.0-0 Qd7 14.Na3 Rg8 15.Qd3 Rg4+=; 10...Nf5 11.0-0 h6 12.Bf4 Qd7 13.Qb3 0-0 14.Bf5 gf5 15.Rc1 Rd8+=) 11.ef6 ef6 12.Bc1 (12.Bf4 0-0 13.0-0 Re8 14.Re1 Bf5 15.Bf5 Nf5+=) 12...0-0 13.h4 (13.0-0 Re8 14.Qb3 b6 15.Bb5 Qd6=) 13...Bf5 (13...Re8 14.h5 g5 15.Qc2 f5-/+) 14.Ng3 (14.Bh6 Bd3 15.Qd3 Bh6-/+) 14...Re8 15.Kf1 (15.Ne2 Qd7-/+) 15...Qd7 (15...Bd3 16.Qd3 Qe7 17.Bd2-/+) 16.Bh6 Bd3 17.Qd3 Bh6 18.h5 Qe6 19.Nd2 Bd2 20.Qd2 g5 21.Kg1 Re7 22.Kh2 Rae8 23.Rhb1 Qg4 24.Qd3 Qf4 25.Kg1 b6 (better is 25...a6!?+=) 26.Qb5+= Re6 27.Qd5 Kh8 28.h6 Qd2 29.Qc4 Na5? (better is 29...Qc2+=) 30.Ra5+- ba5?? (30...Re1 31.Kh2 R1e7+-) 31.Qe6!! 1–0. Duncker,Joachim (2270) – Bornmueller,Erich (1795), Schwaebisch Gmuend GER, 2012. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

9.Nf3 Bf5 A) 10.c4 Be4 11.Be3 Nf5 12.Nc3 Bf3 13.Qf3 e6 14.Bf5 Bb4 15.Rc1 gf5+=; B) 10.Bb5 Bg7 (10...a6 11.Be2 Bg7 12.Bf4 b5 13.Qd2 Ng8 14.0-0 h6 15.Ra3 g5+=) 11.Qa4 0-0 12.Bc6 bc6 13.Qc6 Bd3 14.Bg5 Nf5 15.Nbd2 Rc8+=; C) 10.Be2 a6 (10...Bg7 11.Bf4 Qb6 12.Qd2 Bb1 13.0-0 Be4 14.Bh6 0-0 15.Bg7 Kg7+=) 11.Bf4 b5 12.Qd2 Ng8 13.0-0 h6 14.Re1 g5 15.Be3 e6+=; D) 10.Bh6 Bh6 11.Bf5 gf5 12.c4 Rg8 13.0-0 Qd7 14.cd5 Qd5 15.Nc3 Qc4+=.

9.Nf3 Nf5 A) 10.0-0 Bg7 (10...a6 11.Nbd2 Bg7 12.Nb3 0-0 13.Qe2 a5 14.Ra4 b6 15.Bf4 Bd7+=; 10...Qd7 11.Bb5 a6 12.Re1 Bg7 13.e6 fe6 14.Bf4 0-0 15.Ne5 Be5+=) 11.Qb3 0-0 12.Re1 a6 13.Re2 Ra7 14.Rea2 f6 15.Bf4 fe5-/+; B) 10.Qb3 a6 (10...Bg7 11.0-0 0-0 12.Bf4 Qd7 13.Nbd2 Rd8 14.Rfb1 b6 15.Re1 Qc7+=; 10...Qd7 11.0-0 Bg7 12.Bf4 0-0 13.Re1 b6 14.Nbd2 Bb7 15.Ng5 Nd8+=; 10...a5 11.0-0 Bg7 12.Ra4 0-0 13.Bf4 Na7 14.Ra2 b5 15.Na3 a4=) 11.0-0 Bg7 12.g4 Nh6 13.Bh6 Bh6 14.h3 Bf4 15.Ne1 h5-+; C) 10.Nbd2 Bg7 (10...a6 11.0-0 Bg7 12.Re1 0-0 13.Nb3 b6 14.Bf4 Qc7 15.Qd2 Bh8=) 11.0-0 0-0 12.Qb3 Qd7 13.Ba3 Rd8 14.Rfe1 Qc7 15.Bb2 Bh6+=; D) 10.Bf4 a6 (10...Ng7 11.c4 Be6 12.c5 Bg4 13.Nbd2 Bf5 14.Bb5 Ne6 15.Be3 Nc7=; 10...Bg7 11.Qd2 h5 12.0-0 a6 13.Re1 Be6 14.Na3 Qc8 15.Nc2 h4=; 10...Qd7 11.h3 a6 12.0-0 h6 13.Nbd2 Nd8 14.Qb3 Ra7 15.e6 Ne6+=) 11.Nbd2 Bg7 12.0-0 0-0 13.Qe2 Qc7 14.Rfb1 Ra7 15.Nb3 f6+=.

9.Nf3 Bg4 A) 10.0-0 Qd7 (10...a6 11.Nbd2 Bg7 12.Nb3 Qc7 13.h3 Bf5 14.Bh6 Bh6 15.Bf5 gf5=; 10...Bg7 11.h3 Bf3 12.Qf3 Qd7 13.Nd2 f6 14.ef6 0-0 15.Qe2 Rf6+=; 10...Rc8 11.Nbd2 Bg7 12.Qb3 Rc7 13.Bb5 a6 14.Bc6 Rc6 15.Qb7 Qb6+=) 11.Bb5 Bg7 12.h3 Bf3 13.Qf3 0-0 14.Bg5 Nf5 15.Re1 Qe6-/+; B) 10.Nbd2 Bg7 (10...Bf5 11.Be2 Bg7 12.0-0 0-0 13.Re1 f6 14.ef6 Bf6 15.Nf1 Kg7+=; 10...a6 11.0-0 b5 12.Nb3 Qc8 13.Re1 Bg7 14.Nc5 0-0 15.h3 Bf5=; 10...Qd7 11.Nb3 Bg7 12.Nc5 Qc7 13.h3 Bf5 14.Bf5 Nf5 15.Qb3 e6=) 11.Qb3 Qd7 12.Rb1 b6 13.Bb5 Bf5 14.Qa4 Rc8 15.Ra1 0-0+=; C) 10.Na3 Bg7 (10...e6 11.h3 Qa5 12.hg4 Qc3 13.Ke2 Qa1 14.Nc2 Qb1 15.Bh6 Qd1+=; 10...Nf5 11.h3 Bf3 12.Qf3 Qa5 13.Bd2 Bh6 14.Qd1 Bd2 15.Qd2 Rc8+=; 10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.Qb3 Rb8 14.0-0 Rg8 15.Rfd1 Bf4+=) 11.h3 Bf5 12.Bh6 Bh6 13.Bf5 gf5 14.Qd3 Qd7 15.c4 Rg8+=; D) 10.Qb3 Qd7 (10...Rb8 11.Bb5 Ra8 12.c4 Bf3 13.Qf3 Nf5 14.cd5 Nfd4 15.dc6 Nb5+/-) 11.Nbd2 Bg7 12.Rb1 b6 13.Bb5 Bf5 14.Qa4 Rc8 15.Ra1 0-0+=.

9.Nf3 Bg7 A) 10.Qb3 Qd7 (10...Nf5 11.0-0 0-0 12.Bf4 a6 13.Nbd2 Ra7 14.h3 b5 15.Rfb1 Re8+=; 10...0-0 11.0-0 f6 12.ef6 Rf6 13.Be4 e6 14.Bd3 Nf7 15.Re1 e5+=; 10...a6 11.0-0 0-0 12.Qd1 Nf5 13.Qb3 Ra7 14.Bf4 b5 15.Nbd2 Be6+=) 11.0-0 0-0 12.Nbd2 Rd8 13.Ba3 Nf5 14.Rfe1 Qc7 15.h3 b6-/+; B) 10.Bg5 Bg4 (10...0-0 11.0-0 Nf5 12.Qb3 h6 13.Bf4 Qd7 14.h3 f6 15.ef6 Bf6=; 10...Nf5 11.0-0 0-0 12.Qb3 h6 13.Bf4 Qd7 14.h3 f6 15.ef6 Bf6=; 10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.c4 Rg8 14.0-0 Qd7 15.cd5 Qd5+=) 11.0-0 0-0 12.h3 Bc8 13.Qb3 Nf5 14.Nbd2 b6 15.Qb5 Qd7+=; C) 10.Bf4 Bf5 (10...Bg4 11.0-0 0-0 12.h3 Bf5 13.Bf5 Nf5 14.g4 Qc8 15.gf5 Qf5=) 11.Bh6 Bh6 12.Bf5 gf5 13.Qb3 Qd7 14.Rg1 Rg8 15.h3 Bf4-/+; D) 10.0-0 0-0 (10...Nf5 11.Bf4 0-0 12.Qb3 Qd7 13.Re1 b6 14.Nbd2 Bb7 15.Ng5 Nd8+=; 10...Bf5 11.Bh6 Bh6 12.Bf5 gf5 13.c4 Qd7 14.cd5 Qd5 15.Nc3 Qc4=; 10...Bg4 11.h3 Bf3 12.Qf3 0-0 13.Bg5 Qd7 14.Nd2 a5 15.Nb3 b6=) 11.Qb3 Nf5 12.Bf4 Qd7 13.Nbd2 Rd8 14.Rfe1 Qc7 15.Reb1 b6+=.

9.h4 f5 10.h5 Nf7 11.Nh3 e6 12.Ba3 g5 13.g4 f4 14.Qc2 Ba3 15.Na3 Qa5 16.0-0 Qc7 17.Nb5 Qe7 18.f3 Kd8 19.Nd6 h6 20.Nb5 Bd7 21.Rfb1 b6 22.Bg6 Rf8 23.Bf7 Rf7 24.Nd6 Rg7 25.Rb6! a5 (25...ab6 26.Nb7 Double attack (26.Ra8 Pinning; 26.Ra8 Deflection)) 26.Nf2 a4? (better is 26...Qf8+-) 27.Ra4 Na5 1–0. Johnsen,Svein Harald (1765) – Malin,Odd Gunnar, Klubbmesterskap, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

9.h4 Bf5 10.Bh6 Bh6 11.h5 Bd3 12.Qd3 Qd7 13.Ne2 Qf5 14.Qb5 Qd7 15.Na3 (15.Qd3!?=) 15...b6 16.Qd3 Na5 17.hg6 hg6 18.Nf4 0-0-0 19.e6 Qc6 20.Nb5 Kb8 (20...Bf4 21.Na7 Kc7 22.Nc6 Rh1 23.Ke2 Ra1 24.Nd8+-) 21.Qg3 Kb7 22.0-0 Bf4 23.Qf4 Qb5 24.Rfb1 Qd3 25.ef7 Nc6 (25...Qc3?! 26.Rc1 Qb2 27.Rab1-+) 26.Re1 Qf5 27.Qc1 Qh5 28.f3 Qh2 29.Kf2 Qh4 30.Ke2 Qg3 31.Rg1 Rd6 32.Qa3 Re6 33.Kd1 Qf2 34.Qa6 Kb8 35.Rf1 Qb2 36.Ra2 Qc3 37.Rc2 (37.Qb5 Rf8-+) 37...Qd4 (better is 37...Qc2! 38.Kc2 Nb4 39.Kb2 Na6 40.Rh1 Re2 41.Kb3-+) 38.Rd2 Qb4 39.Qa1 (39.Qa2 Qc4 40.Qc4 dc4-+) 39...Rc8 (better is 39...Qb3 40.Kc1 Nd4-+) 40.Rc2 Qf4 41.Qg7 Rf6 42.Re1 Rf7 43.Qg6 Qd4 44.Rd2 Qa4 45.Ke2 Rf6 46.Qg3 Kb7 47.Red1 (47.Kf2-+) 47...Qc4 48.Kf2 Qc5 49.Kf1 Rh8 50.Qg4 Qe3 51.g3 Ne5 0–1. Frink,Ferenc (2210) – Ionita,Anduena (2030), Eger Agria op, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.e5 g6)

6.d4 d6

7.Qa4 Bd7 8.d5 Nb8 9.Qd4 b6 10.Na3 Qc7 11.Nb5 Qb7 12.Qc4 Bb5 13.Qb5 Nd7 14.Qa4 Qc7 15.Bb5 a6 (15...Kd8!?=) 16.Ne2+= Ngf6 17.Bc6 Rb8 18.Qa6 Ne4 19.Be3 Nef6 20.0-0 (20.Qa7 Kd8+/-) 20...g6 (20...e6!?+=) 21.Rfb1 Qc8? (better is 21...Kd8+/-) 22.Rb6+- (22.Bb6?! Qa6 23.Ra6 e5+/-) 22...Bg7 23.Qc8 (23.Rb8 Qb8 24.Bd7 Nd7+-) 23...Rc8 24.Rb7 Kd8 25.Raa7 Nc5 26.Re7 Rf8 27.Rf7 Rf7 28.Rf7 Rc7 29.Rc7 Kc7 30.Nf4 g5 31.Bc5 gf4 32.Bb4 Ne4 33.Ba5 Kc8 34.c4 Bd4 35.Be1 Kc7 36.Kf1 Kb6 37.f3 Nc3 38.Bc3 Bc3 39.Ke2 Kc5 40.Kd3 Be5 41.Bb5 Bf6 42.Ke4 Be5 43.h4 h5 44.Kf5 Kd4 45.Kg5 Ke3 46.Kh5 Kf2 47.Kg4 Kg2 48.Bd7 Kf2 49.Bf5 Ke3 50.Be4 Kd4 51.Kf5 1–0. Jaroch,Pawel (2100) – Tokarski,Lukasz (2150), Torun–ch Poland, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.Qa4 Bd7 8.d5 Ne5 9.Qd4 a6 10.f4 Ng6 11.Nf3 e6 12.de6 fe6 13.Bd3 Rc8 14.f5 Nh4 15.Ng5 ef5 16.ef5 Nf5 17.Bf5 Bf5 18.0-0 Rc5 19.Re1 Ne7 20.Ba3 Rc6 21.Nd2 Qd7 22.Nc4+= h6 23.Nf3 Kd8? 24.Nd6+- Kc7 25.Ne5 Rd6 26.Bd6 Qd6 27.Qd6 Kd6 28.Nf7 Kd7 29.Nh8 g5 30.Nf7 Bg7?? 31.Rad1 Ke8 32.Nd6 Kf8 33.Re7! (33.Re7 Ke7 34.Nf5 Kf6 35.Ng7 Kg7 36.Rd7 Kf6 37.Rb7+-) 1–0. Kovachev,D (2190) – Klisurica,Jashar, 23rd ECC Men, Kemer TUR, 2007.

7.Qa4 Bd7 8.d5 Ne5 9.Qd4 e6 10.f4 Ng6 11.de6 (11.Ra7 e5 12.Ra8 Qa8= (12...ed4? 13.Rd8 Kd8 14.cd4+-)) 11...fe6 (11...Be6? 12.f5 (12.Ra7?! Bd7+-) 12...Bf5 13.ef5 Qh4 14.Qh4 Nh4 15.Bg5+-) 12.Ra7 Ra7 (12...e5 13.Ra8 Qa8 14.fe5 de5 15.Qd3=+) 13.Qa7 Bc6 14.Bd3 Nf6 15.Qe3 Be7 (15...e5 16.Ne2=) 16.Ne2 0-0 17.0-0 (17.Nd4 Qd7=) 17...Ng4 (17...e5 18.f5 Nh8 19.c4=) 18.Qg3 Qb6 19.Kh1 (19.Nd4 h5 20.Kh1 Bh4=+) 19...N4e5 20.Nd4 Nd3 21.Qd3 Bd7 (21...d5 22.ed5 Bd5 23.Be3-/+) 22.Be3= Qa6 23.Qa6 (23.c4 d5 24.Nd2 Bb4=) 23...ba6=+ 24.Nd2 (24.f5 ef5 25.Nf5 a5=+) 24...e5-/+ 25.fe5 Rf1 26.Nf1 Ne5 27.Nd2 (27.Nb3 Bb5 28.Nfd2 Bd3-/+) 27...a5 28.Nc2 Ba4 (28...Kf7 29.Kg1-/+) 29.Nd4 Bd1 30.Nf5 Bf8 31.Bd4 a4 32.Ne3 (32.c4 a3 33.Ne3 Be2-/+) 32...Be2 33.Nc2 (33.Kg1!?-/+) 33...Nc4-+ 34.Nc4 Bc4 35.Na1 (35.Kg1 Bd3 36.Nb4 Be4-+) 35...Bd3 36.e5 de5 37.Be5 Ba3 38.c4 Bc4 (38...Bc5 39.h4-+) 39.Nc2 Bc5 40.Bb2 Bd3 (40...Kf7 41.h3-+) 41.Na3 (41.Ba3 Bf2 (worse 41...Bc2 42.Bc5 Kf7 43.Kg1-+) 42.Nb4 Be4-+) 41...Kf7 42.h3 (42.Bc1 Kf6-+) 42...h5 43.g3 Ke6 (43...g5 44.Kg2-+) 44.Kg2 Be2 (44...Kd5!? 45.Kf3-+) 45.Nb1 Bd3 46.Na3 g6 (46...g5 47.Kf3-+) 47.Kf3 Kd5 (47...Kf5 48.Kg2-+) 48.g4 (48.Bc1 g5!-+) 48...h4 49.Kf4 (49.Kg2 g5-+) 49...Be7 50.Bc1 g5 51.Kf3 Bf1 52.Nc2 Bh3 53.Ne3 Kc6 (53...Ke6 54.Nc2-+) 54.Nf5 Bf6 55.Ne3 Kb5 (55...Kd6 56.Ba3 Ke6 57.Bc1-+) 56.Nd5 (56.Ba3 Bd8-+) 56...Bd8 57.Bb2 Kc4 58.Nf6 (58.Ne3 Kb3 59.Bg7 a3-+) 58...Kb3 (58...a3!? 59.Ba1-+) 59.Ba1 a3 60.Ke4 (60.Ne4 Be7-+) 60...Bf6 (better 60...Bg2 61.Kf5-+) 61.Bf6 Bg4 62.Bg5 (62.Ke3 a2 63.Ba1-+) 62...a2 63.Bf6 h3 0–1. Jaroch,Pawel (2230) – Ajrapetjan,Y (2420), 7th Amplico AIG Life, Warsaw Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.Bc4 Nf6 8.Qb3 (8.Nd2 e6=+) 8...e6=+ (8...Ne4? 9.Bf7 Kd7 10.Qe6 Kc7 11.Qe4+-) 9.Nf3 (9.Bd3 Be7=+) 9...d5 (9...Ne4!? 10.Nbd2 Nf6-/+) 10.ed5=+ ed5 11.Bb5 (11.Bd3 Be7=+) 11...Bd7 (11...Bd6!?-/+) 12.0-0= a6 (12...Be7 13.Bg5=) 13.Re1 Be7 14.Bc6 Bc6 15.Ba3 Ne4 16.c4 (better 16.Nbd2 0-0 17.Be7 Qe7 18.Ne4 de4 19.d5=) 16...0-0?? (better 16...dc4 17.Qe3 f5 18.Be7 Qe7=+) 17.Be7+- Qe7 18.cd5 Nd2?? (18...Bd7 19.d6 Qd6 20.Re4 Bc6+-) 19.Nbd2 (19.Nbd2 Qd7 20.dc6 Qc6 21.Re7+-; 19.Re7?! Nb3 20.dc6 Na1 21.Rb7 Rfb8 22.Rb8 Rb8=) 1–0. Ogunjinme,Ayomide – Mendes,James, BUCA (5), 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.Bd3 e6 8.f4 Nge7 9.Nf3= g6 10.0-0 Bg7 11.Na3 0-0 12.Nc2 b6 13.Ne3 Bb7 14.f5 ef5 15.ef5 gf5 16.Nf5= Nf5 17.Bf5 Ne7? 18.Bh7+/- (18.Bh7 Kh7 19.Ng5 Kg6 20.Qd3 f5 21.Ne6+/-) 1–0. Chulivska,V (2090) – Pastukh,Aleksandra, Femida Open Kharkov UKR (1), 2003.

7.Bd3 g6 8.Nf3 Bg7 9.0-0 Nf6 10.h3 0-0 11.Na3 Bd7 12.Bg5 Re8 13.Qd2 Rc8 14.Rfb1 Na5 15.c4 Be6 16.Qe2 h6 17.Bd2 Nh5 (17...b6 18.Ba5 ba5 19.Rb7=) 18.g4 Nf6 19.Ba5 Qa5 20.Nb5 (worse is 20.Rb7 Rb8 21.Rb8 Rb8=) 20...Qd8 21.Ra7 h5 22.g5 Nh7 23.h4 Qd7 24.Nd2 f6? (better is 24...Ra8!? 25.Rba1 Ra7 26.Ra7 Rc8+=) 25.e5+- Bf5 26.e6 Qe6 27.Qe6 Be6 28.Bg6 Rf8 29.Bh5 fg5+/- 30.Rb7 Bf6 31.d5 Bf5 32.Nc7?? Bb1-/+ 33.Nb1 Rb8 34.Rb8 Rb8 35.Nd2 gh4 36.Ne6 Ng5 37.Nf4 Nf7 38.Ne4 Rc8 39.Nf6 ef6 40.Be2 Ne5 41.Ng2 Nc4 42.Nh4 Nb6 43.Bg4 Rc5 44.Be6 Kh7 45.Nf5 Nd5 46.Nd6 ½–½. Shchukin,Igor – Snizhko,Vyacheslav, Stepichev Memorial, 2003. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.d5 Nb8 8.Nf3 Nf6 9.Be3 a6 10.h4 e5 11.de6 Be6 12.Ng5 Qd7 13.Na3 (13.Nd2 Nc6+=) 13...Nc6 (13...d5 14.Ne6 fe6 15.ed5 Nd5 16.Bd4-/+) 14.Nc4+= Bc4 15.Bc4 Ne5 16.Bb3 h6 17.f4 Nfg4 18.fe5 Ne3 (worse is 18...hg5 19.e6 Qc6 20.ef7 Kd8 21.Bg5 (21.Qg4?! Qc3 22.Ke2 Qb3+/-) 21...Be7 22.0-0 (22.Qg4?! Qc3 23.Ke2 Qb3+/-) 22...Qc5 23.Qd4 Qd4 24.cd4+-) 19.e6 Qc7 (19...Qc6 20.Qd2 Ng2 21.Kf2 hg5 22.ef7 Kd7 23.Bd5=) 20.ef7 (20.Ba4 b5 21.Bb5 Ke7 22.Qf3 Qc3 23.Ke2 Qc2 24.Ke3 Qc5 25.Kd2 Qb4 26.Kd1 Qb5 27.Nf7+/- (27.Qf7?! Kd8 28.Rh3 Rb8=)) 20...Ke7 21.Qd2 hg5 (better is 21...Qb6 22.Rb1 hg5=) 22.Qe3+= Qc5 23.Qc5 dc5 24.Bd5 Rb8 (24...gh4 25.Bb7 Rb8 26.Bd5+=) 25.0-0 (25.g3 g6+/-) 25...g6? (better is 25...gh4!? 26.Rfb1 Rh6 27.Bb7 g5+=) 26.hg5+- Kd6? (better is 26...Bg7 27.Rf3 Be5+-) 27.Rfb1 1–0. Aleskerov,F (2380) – Ibrahimova,S (2165), Nakhichivan AZE, Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.d5 Ne5 8.Qd4 Qc7 (8...a6!?+=) 9.Ra7+= Ra7 10.Qa7 Nf6 11.Be3 Bd7 12.f4 Ng6? (12...Neg4 13.Bb6 Qc8 14.Bd3+=) 13.Bd3 (better is 13.Ba6!? Bc8 14.Bb5 Bd7 15.Qa8 Qd8 16.Qb7 Bb5 17.Qb5 Qd7 18.Qb8 Qd8 19.Qd8 Kd8 20.Nd2+-) 13...e6+= 14.de6 fe6 15.Nf3 Be7 16.Bb6 Qc8 17.g3 0-0 18.0-0 Qa8 19.Nbd2 Qa7 20.Ba7 Bc6 21.Ng5 Ra8 22.Bd4 Nf8 23.e5 N6d7 24.ed6 Bd6 25.Re1 Ra2 26.Nde4 Be4 27.Be4 Nc5 28.Bf3 Nd3 29.Rd1 Nf4 30.gf4 Bf4 31.h4 h6 32.Nh3 Bh2 33.Kh1 Ng6 34.Bf2 Ra3?? 35.Rd8 Kf7 36.Bh5 Kf6?? 37.Rd3 Ne5 38.Bd4 Kf5 39.Re3 g5?? 40.Kg2 Ra2+/- 41.Re2 Re2 42.Be2 Bf4 43.hg5 hg5 44.Nf2 Nc6?? 45.Bd3 1–0. Orfali,Marcelo Rafael (2080) – Fernandez Lledo,Javier (1905), Madrid San Viator, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.d5 Ne5 8.f4 Nd7 9.Bb5 e5 10.de6 fe6 11.Nf3 Be7 (better is 11...Ngf6!? 12.Ng5 Qe7+=) 12.Qe2 Qc7 13.0-0 (13.Nd4 Kf7 14.Qh5 g6 15.Ne6 Ke6 (15...gh5? 16.Nc7 Rb8 17.Bc4 Kf8 18.Ne6 Kf7 19.Be3+-) 16.Qd5 Kf6 17.Bd7 Kg7 18.Bc8 Nf6 19.Qb7 Rhc8 20.Qc7 Rc7+=) 13...Kf8 14.Nd4 Nc5 15.Bc4 Ke8 16.Kh1 Nf6 17.e5 de5 18.fe5 Nfe4 19.Na3 Nc3 (19...Qe5 20.Bf4 Qf6+=) 20.Qf3+= N5e4 (20...N3e4 21.Qf7 Kd8 22.Nab5+/-) 21.Qf7 (better is 21.Ndb5 Nb5 22.Bb5 Bd7 23.Qe4+-) 21...Kd8= 22.Qg7 Re8 23.Rf7 Nd5 24.Qh7 (better is 24.Bb5!? Bd7 25.Bd7 Kd7 26.Nab5+=) 24...Qe5-/+ 25.Bb2 Ndc3 26.Bc3 Nc3 27.Qd3 Rh8?? (better is 27...Nd5 28.Nac2 Rh8=) 28.Nc6+- (28.Nc6 Kc7 29.Ne5+-) 1–0. Peter,Herbert (1840) – Knollhuber,Peter (1790), Regionalliga SO, 2005. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.d5 Ne5 8.f4 Nd7 9.Bb5 e5 10.Nf3 ef4 11.Bf4 Ngf6 12.e5 de5 13.Ne5 Bc5 14.Nd7 Bd7 15.Qe2 Qe7 16.Bd7 Kd7 17.Qe7 Ke7 18.c4 Rhe8 19.Kd1 Kd7 20.Nd2 Ne4 21.Re1 Nd2 22.Kd2?? Bb4-+ (22...Bb4 23.Kd3 Re1 24.Re1 Be1-+) 0–1. Meijer,Wilmar (1935) – Starace,Umberto (1900), IECG, 2000.

7.d5 Ne5 8.f4 Nd7 9.Nf3 g6 (better is 9...Nc5!?=) 10.Qd4+/- Ndf6 11.e5 de5 12.fe5 Qd5 13.ef6 Qd4 (13...Nf6!? 14.Be3 Qd4 15.Bd4 a6+=) 14.Nd4+/- Nf6 15.Nb5 Kd8 16.Bc4 a6 17.Be3 Kd7 (17...Bf5 18.Bf7 e5 19.Bg5+=) 18.0-0 ab5?? (better is 18...Bg7+/-) 19.Bb5+- Kc7 20.Ra8 Nd5 (20...Bf5 21.Bd4+-) 21.Bd4 f6 22.Bc4 Be6 23.Na3 Bg7 24.Rh8 Bh8 25.Re1 Kd7 26.Bb5 Kd6 27.Nc4 Kc7 28.Re6 (28.Re6 Kb8 29.Na5+-) 1–0. Kuespert,Helmut (1970) – Kauppert,Joachim (1645), Nuremberg–ch op, 2003. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.Be3= Bd7 8.Nf3 a6 9.Bc4 Nf6 10.e5 Nd5?? (10...de5 11.Ne5 e6 12.Bd3+=) 11.ed6?? (11.Bd5 e6 12.Be4 d5+-) 11...ed6?? (11...Ne3 12.fe3 e6 13.d5 ed5 14.Qd5+=) 12.0-0?? Be7?? 13.Re1?? 0-0?? 14.Qb3?? Nb6 15.Bd5 Na4?? 16.Ra4 Na5 17.Ra5! Qa5 18.Qb7 Qb5 19.Qb5 Bb5 20.Ba8 Ra8 21.Na3 Rb8 22.Nb5 Rb5 23.Bd2 a5 24.h3 a4 25.Re2 a3?? 26.Bf4 g6? 27.Re7 a2 28.Re1 Rb1-+ 29.Rb1 ab1Q (29...ab1Q 30.Kh2 d5-+) 0–1. Vezentan,Andreea_Nicoleta – Apostu,Milena_Maria, Calimanesti ROM, Ch U12 (g), 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.Nf3 Nf6 8.Bb5 Bd7 (8...Ne4 9.d5 Qb6 10.Qe2+/-) 9.Qe2 e6 10.d5 ed5 11.ed5 Ne7 12.Bc4 g6 13.0-0 (13.Bf4 Qc7 14.0-0 Bg7+=) 13...Bg7= 14.Re1 Kf8 15.Bf4 Bg4 16.h3 Ned5 (worse is 16...Nfd5 A) 17.hg4?! Nf4 18.Qd2 Be5 19.Ra7 Rb8+= (19...Ra7? 20.Ne5 g5 21.Nf7+-); B) 17.Bg5 Bd7 18.Bd5+-) 17.hg4 Nf4 18.Qd2 d5 19.Qf4 dc4 20.Ne5 Qd5 21.Na3 Nd7 22.Nd7 Qd7 23.Rad1 Qa4 (23...Re8 24.Re8 Qe8 25.Nc4=) 24.Qc7 (better is 24.Rb1!? Qd7 25.Red1+=) 24...Bc3+= 25.Nc4? (better is 25.Rd7!? Kg8 26.Rf7+=) 25...Be1-+ 26.Re1 Qc6 27.Qe5 Kg8 (27...Rg8 28.Nd6 Rg7 29.Qe7 Kg8 30.Rd1-+) 28.Nd6-/+ Rf8 (28...h6 29.Ne4 Rh7 30.Nf6 Kh8 31.Nh5 f6 32.Nf6 Rf7+=) 29.Qf6? (better is 29.g5 Qc7 30.Qf6+=) 29...h5-+ 30.g5 h4 (30...Rh7 31.Kh2-+) 31.Kh2 (31.Re8 Qe8 32.Ne8 Re8-/+) 31...h3! 32.gh3 (32.gh3 Qd7 Pinning (32...Qd7 Decoy)) 32...Qd7 33.Re3 Rh7 (better is 33...Rh5-+) 34.Ne4-/+ Re8 0–1. Wall,Tim (2275) – Holleland,Sigve (2040), London ENG, Classic Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.Nf3 Nf6 8.Bc4 e6 9.Qe2 Be7 10.e5 de5 11.de5 Nd5 12.0-0 Nb6 13.Bd3 Bd7 14.Rd1 Qc7 15.Bf4 h6 16.Na3 a6 17.Nc2 Rc8 18.Ncd4 Nd5 19.Bd2 Nd4 20.cd4 Bc6 21.Rdc1 Qd7 22.h3 Nb4 23.Be4 Be4 24.Qe4 Nd5 25.Nh2 0-0 26.Ng4 f5 27.ef6 Nf6 28.Nh6 gh6 29.Qg6 Kh8 30.Qh6 Nh7 31.Rc8 Rc8 32.Ra5 Bf8 33.Qh4 Qf7 34.Rh5 Be7 35.Qg4 Rg8 36.Qe2 Qg6 37.g3 Bf8 38.Bf4 Bg7 39.Be5 b5 40.Rh4 b4 41.Rg4 Qf5 42.Qa6 Be5 43.Qc8?? Nf8 44.de5? b3 45.Qb8? Qb1 46.Kh2 Qc2 47.Qb6?? b2 48.Qe3?? b1Q (48...b1Q 49.Qh6 Nh7 50.Rg8 Kg8 51.Qe6 Kg7 52.Qe7 Kh6 53.Qd6 Qg6 54.Qd2 Kg7 55.Qd7 Kh8 56.Qd8 Qg8 57.Qg8 Kg8-+) 0–1. Szmidt,P (2015) – Wojtaszek,R (2705), European Blitz, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.f4 d5 8.ed5 Qd5 9.Nf3 =+.

7.f4 e5 8.Nf3 Bg4 9.d5= Nb8 10.fe5 de5 11.Qa4 Bd7 12.Qb3 Qc7 13.Be3 Na6 14.Na3 Nc5 15.Qc4 a6-/+ 16.Rd1 Bd6 17.Be2 b5 18.Qa2 Ne4 19.Nb5-/+ Bb5 20.Bb5 Ke7 21.0-0?? Nc3-+ 22.Ne5 Nf6 23.Nc6 Kf8 24.Qa1 Nd1 25.Bd4 Bh2 26.Kh1 Nh5 27.Rf3? Re8 28.g4 Re1 29.Kg2 Ne3! 30.Re3 Re3 31.Bc5 Kg8 32.d6 Bd6 33.Be3 Nf4 34.Kf3 Nd5 35.Qa6 Ne3 36.Qa8 Bf8 37.Ke3 Qg3 38.Kd2 Qc7 39.Qe8?? Qd6 40.Kc3 g5 41.Bc4 Qf6 42.Ne5 Kg7 43.Kd3?? Qf1-+ 44.Ke4 Qf4 45.Kd3 h6 46.Nf7 Qf1?? 47.Kc2?? Qc4-+ 48.Kd2 Qf7 (48...Qf7 49.Qe4 h5 50.gh5 Rh5 51.Qe5 Kh6 52.Qh8 Kg6 53.Qh5 Kh5 54.Kd3 g4 55.Kc3 Bg7 56.Kb4 g3 57.Kc5 g2 58.Kb4 Qb7 59.Kc4 g1Q 60.Kd3 Qd1 61.Ke3 Qbf3#; 48...Bb4 49.Ke3 Re8 50.Ne5 Qc2 51.Kd4 Qc3 52.Kd5 Re5) 0–1. Diaz Lombardo,Isidro – Selvas,Silverio (2120), Fide Mercenarios 3th (9), 1995.

7.f4 e6 8.Nf3 d5 9.e5 a6 10.Bd3 Be7 11.Ba3 b5 12.Be7 Nge7 13.Bb5 Qb6 14.Qe2 Bb7 15.Bd3 a5 16.Na3 Ba6 17.Rb1 Bd3 18.Qd3 Qa6 19.Nb5 0-0 20.Ng5 g6? (better is 20...Ng6 21.0-0 Rab8=) 21.Qh3+- h5 22.Nc7 Qc4 (22...Qc4 23.Na8 Ra8+-) 0–1. Krustev,G (2005) – Ninov,D (2020), MGU–11 Open, Sofia BUL, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.f4 e6 8.Nf3 Be7 9.Bd3 f5 10.e5 d5 11.g4 (better is 11.Ba3=) 11...Bh4-/+ (worse is 11...fg4 12.Ng5+=) 12.Kf1 fg4 13.Ng5 Bg5 14.fg5 h5 15.h4 gh3 (better is 15...Nge7!?-+) 16.Rh3+= Nge7 17.Na3? (17.Rh5 Kd7=) 17...Kd7 18.Nb5 Nf5 19.Bf5 Qf8 20.Rf3 ef5 21.e6 Kd8 22.Ba3 (better is 22.Bf4!? Be6 23.Nc7=) 22...Qe8 23.e7 Ne7 24.Nd6 Qg6 25.Qb3 b6 26.Re1 Ba6 27.Kf2 f4 28.Rf4 Qd3 29.Qb2 Qh3 30.Nf7+= Kc8 31.Nd6?? Kb8 32.c4?? Ng6 33.Rf7 Qh2 34.Ke3 Qg3 35.Kd2 Nf4 36.Ree7= Qd3 37.Ke1 Qg3 38.Kf1?? Bc4?? 39.Nc4= dc4?? 40.Bd6 Kc8+/- 41.Rf4 Qd3 42.Kg1 Qg3+/- 43.Kf1 Qh3 44.Ke1 Qh1 45.Rf1 Qh4 46.Kd1 Qg4 47.Ke1 Qg5 48.Rc7 Kd8 49.Be7 Qe7 50.Re7 Ke7 51.Qb4 Kd8 52.Qd6 Kc8 53.Rf7 Re8 54.Kd1 (54.Kd1 Re1 55.Ke1 g5 56.Qf8#; 54.Kf2 Re2 55.Ke2 g5 56.Qf8) 1–0. Zala,Gyula (1995) – Laza,Szabolcs (1865), First Saturday FM_A Dec, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.f4 e6 8.Nf3 Nf6 9.Bd3 Be7 10.0-0 0-0 11.e5 Ne8 12.Ba3 b6 13.Nbd2 Bb7 14.Ne4 g6 15.Qe1 Kg7 16.Qg3 Rc8 (16...f6!?=) 17.f5+/- ef5 18.ed6 (18.Nd6 Bd6 19.ed6+/- (19.Bd6?! Nd6 20.ed6 Na5=)) 18...fe4= 19.de7 Ne7 20.Be4 Be4 21.Qe5 f6 22.Qe4 Rf7 23.Ng5? (better is 23.Qd3+=) 23...fg5-+ 24.Qe5 Kg8 25.Rf7 Kf7 26.Rf1 Nf5 27.g4 Qf6 28.Qb5 Qc6 29.Qe5 Qe6 30.gf5 Qe5 31.de5 gf5 32.Rf5 Ke6 33.Rg5 Rc3 34.Bf8 Re3 35.Rh5 Nf6?? 36.ef6+- Kf6 37.Rh7 a5 38.Rb7 Rb3 39.Kg2 a4 40.h4 b5 41.Ra7 Kg6 42.Kf2 Rh3 43.Be7 Kh5 44.Rb7 Rb3 45.Ra7 a3 46.Ke2 b4 47.Bb4 Rb4= ½–½. Palsson,Halldor (1950) – Grigorianas,Grantas, Reykjavik Skakmot Odlinga op, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.f4 Nf6 8.Nf3 e6 9.Bd3 Be7 10.0-0 Qc7 11.Na3 a6 12.Nb5 Qb8 13.Nd6 Bd6 14.e5 Be7 15.ef6 Bf6 16.Ne5 Ne5? (better is 16...Qc7=) 17.fe5+- (17.de5?! Be7=) 17...Be7 18.Qf3 0-0 (18...f5 19.ef6! gf6 20.Bh6+/-) 19.Bh6 (better is 19.Qh3 g6 20.Bh6+-) 19...f5= 20.Qg3 Rf7 21.Rf5?? (better is 21.Be2 Bf8 22.Rfb1=) 21...ef5-+ 22.Bc4 g6 23.Bf4 Qa7 24.Qh3 h5 25.Qg3 Bd8?? 26.Qg6 (26.Qg6 Kh8 27.Qh5 Rh7 28.Qe8 Kg7 29.Qg8) 1–0. Bicchierai,Gregory (2090) – Luciani,Jean Francois (1750), Porticcio 9th op, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d6)

7.f4 g6 8.Nf3 Bg7 9.Bd3 e6 10.Be3 Nge7 11.c4 Bd7 12.Nc3 a6 13.Rb1 Qc7 14.Qc2 0-0 15.0-0 Rab8 16.d5= ed5 17.cd5 Nd8 18.Ne2 Qc2-/+ 19.Bc2 b5 20.Bd4 Nb7 21.Rfc1 Nc5 22.Bg7 Kg7-+ 23.Kf2 a5 24.Ned4 b4 25.Ke3 Rfc8 26.Bd1? a4 27.Nd2 b3 28.Nc4 f5 29.Nd6 Ne4 30.Nc8 Bc8 31.Bf3?? Nd5-+ 32.Kd3 Ba6 33.Nb5 Bb5 34.Kd4 Ndf6 35.Rb2 Rd8 36.Ke3 Rd3 (36...Rd3 37.Ke2 Rd2 38.Ke1 Rb2 39.Rc7 Kh6-+; 36...Nd5 37.Kd4 Ndc3 38.Ke5 Rd5 39.Ke6 Nc5 40.Ke7 Rd7 41.Ke8 Rc7 42.Bc6 Bc6 43.Kd8 Ne6) 0–1. rpatru (2180) – alaamattar (2160), net–chess.com, 2010.

6.d4 e6

7.Na3 a6 8.Bf4 Nge7?? (better is 8...Nf6 9.Bd3 d5+=) 9.Nb5!+- e5?? 10.Nd6 1–0. Korostenski,Frank – Slavin,Pablo, OP–2010-0-01126, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Na3 Nf6 8.d5 ed5 9.ed5 Ne5 10.d6 Qa5 11.Bb2 Qb6 12.Nb5 Neg4 13.Nh3 Kd8 14.c4 a6? (better is 14...Qc5+/-) 15.Qd4+- Qc6 16.Ng5 Nh6 17.Be2?? (better is 17.Nc7 Bd6 18.Na8 Re8 19.Kd1+-) 17...ab5+/- (17...Qg2?? 18.Qf6! gf6 19.Bf6 Be7 20.de7 Ke8 21.Nd6) 18.Ra8 Qd6 (18...bc4!? 19.Ba3 Ne8+-) 19.0-0+- b6 20.cb5 Qd4 21.Bd4 Bc5 (21...Kc7+-) 22.Bc5 bc5 23.b6 Ke7 24.b7! Bb7 25.Rh8 1–0. Korostenski,Frank (1640) – Popov,Misha, OP–2011–0-01868, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Nd2 d5 8.Ngf3 Nf6 9.e5 Nd7 10.Bd3 Nb6 11.Qc2 Qc7 12.0-0 h6 13.Ba3 Ba3 14.Ra3 0-0 15.Rc1 Bd7 16.Qb1 Rfc8 17.Bh7 Kh8 18.Bd3 Ne7 19.Qb4 Bc6 20.Rca1 a6 21.Ne1 Na4 22.Ra4 Ba4 23.Ra4 Qc3 24.Qc3 Rc3 25.Kf1 Rac8 26.Ke2 f6 27.Nef3 Nc6 28.h4 f5 29.Nb1 Rb3 30.Nbd2 Rb4 31.Rb4 Nb4 32.h5 g5 33.hg6 Kg7 34.Nh4 Rc3 35.Bb1 a5 36.Nf1 f4 37.Kd2 Rc4 38.Kd1 a4 39.Nd2 Rc6 (39...Rd4?! 40.Nhf3 Nc6 41.Nd4 Nd4 42.Kc1+=) 40.g4 fg3! 41.fg3 Rc3 (41...a3 42.Ng2-+) 42.Ng2 (42.g4!?-+) 42...Nc6 (42...Rg3?! 43.Nf4 Rg1 44.Ke2-/+) 43.Nf1 Nd4 44.Nf4 Kg8 45.Kd2 Rb3 46.Ba2 Rb2 47.Kc3 Ra2 (47...Ra2 48.Kd4 Rf2 49.Ne6 Rf1-+) 0–1. Knoeppel,Peter Otto – Schueller,Rudolf, DESC, 2003. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Bd3 d5 8.e5 Nge7 9.Ba3 Ng6 10.Bf8 Nf8 11.Na3 a6 (11...Nd7!?+=) 12.Nb5+= Qg5?? (12...Ng6!?+=) 13.Nd6 (better is 13.Nc7 Kd8 14.Na8 Qg2 15.Qf3 Qf3 16.Nf3+-) 13...Ke7+/- 14.Nf3 Qh5 15.Qb3 Nd7 16.0-0 (16.Nb7 Bb7 17.Qb7 Na7+-) 16...f6+= 17.Nc8 Rhc8 18.ef6 gf6 19.Rfe1 b5 20.Qa3+/- Kf7 21.Qd6 Nf8 22.Bb5 ab5 23.Ra8 Ra8 24.Qc6 Re8 25.Qb5+/- Ng6 26.Re3 Nf4 27.Qd7 Re7 28.Qd6 Qg4 29.g3 Nh3 30.Kg2 Ra7 31.Re2 h5 32.Rb2 Ng5 33.Ng5 fg5 34.Qb8 Rd7 35.Qe5 Qe4 36.Qe4 de4 37.Re2 Rc7 38.Re3 Kf6 39.h3 Kf5 40.f3 ef3 41.Kf3 g4 42.hg4 hg4 43.Ke2 Ra7 44.Kd3 Ra3 45.Re5 Kf6 46.Rc5 Ra2 47.Ke3+- Ra8 48.Kf4 Rg8 49.Rc6 Ke7 50.Rc7 Kd6 51.Rc5 Kd7 52.Re5 Rc8 53.Re3 Rg8 54.c4 Rg7 55.Re5 Re7 56.Kg4 Kc7 57.Re4 Rg7 58.Kf4 Kd6 59.g4 Rc7 60.c5 Kd5 61.Ke3 Re7 62.Re5 Kc4 63.c6 Rg7 64.g5 Rh7 65.Rc5 (65.Rc5 Kb4 66.c7 Rh3 67.Kf4 e5 68.Ke5 Re3 69.Kd6+-) 1–0. Haemmerlein,Thomas – Matzkowiak,Roman, Berlin–chT, 1995. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6)

7.Bd3 d5 8.e5 Nge7 9.f4 g6 10.Nf3 Bg7 11.Na3 a6 12.Nc2 0-0 13.h4 h5 14.Ne3 Nf5 15.g4 Ne3 16.Be3 hg4 17.Ng5 b5 (17...f5!?+=) 18.h5 f5 19.ef6 Bf6 (worse is 19...Qf6 20.Bg6 Rd8 21.Nf7+/- (21.Qg4 e5 22.f5 ed4 23.Bf7 Kf8 24.Nh7 Kf7 25.Nf6 Ne5+-)) 20.hg6 Bg5 21.fg5 e5 (21...Rf3 22.Qe2=) 22.Qe2 ed4?? (better is 22...Rf3 23.de5 Qe7+=) 23.Qh2 (23.Rh8 Kg7 24.Bd4 Nd4 25.Qe5 Rf6 26.gf6 Qf6 27.Rh7 Kg8 28.Qe8 Qf8 29.Rh8 Kh8 30.Qf8) 23...Rf1 24.Bf1 Kf8 25.cd4 Bf5 (25...Ke8 26.Qh8 Kd7 27.Rh7 Ne7 28.Qe5+-) 26.Qh7 Ra7 27.g7! Rg7 28.Qf5 Kg8 29.Bd3 Qe7 30.Qd5 Rf7 31.Ke2 Nb4 32.Qe5 Qe5 33.de5 Nd3 34.Kd3 Rf3 35.Ke4 Rh3 36.Rh3 gh3 37.Rh1 Kg7 38.Rh3 Kg6 39.Rh6 Kf7 40.Ra6 b4 41.Rb6 b3+- 42.Kf5 b2 43.g6 Kg8 44.Kf6 b1Q 45.Rb1 Kf8 46.Rb8 1–0. Stone,Jim – Matei,Adrian, Internet Section, 2004. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Bd3 d6 8.Ne2 Nf6 9.0-0 Be7 10.f4 0-0 11.Nd2 a6 12.f5 Qc7 13.Ng3 b5 14.Nf3 Rb8 15.e5 de5-+ 16.de5 Qb6 17.Kh1-/+ Ng4 18.f6 gf6 19.ef6 Bf6 20.Nh5? Bc3-+ 21.Qc2 Ba1 22.Bh7 Kh8 23.Bb2 Bb2 24.Qb2 e5 25.h3 Kh7 26.hg4 f6 27.Qc2 Kh8 28.Qg6= Qa7 29.Ng5 Bf5 30.Rf5 Rbd8 31.Qh6 Kg8 32.Rf1 fg5 33.Qg5?? Kh7-+ 34.Nf6 Rf6! 35.Qf6 Rh8 36.Kh2 e4 37.Rf5? Kg8 38.Rh5 Qc7 39.g3 Rh5 40.gh5 Ne5 41.Qg5 Qg7 42.Qf5 e3 (42...e3 43.Kg2 Qb7 44.Kf1 Nc4 45.Qg6 Qg7 46.Qa6 Qg3 47.Qe6 Kh7 48.Qe4 Kh6-+) 0–1. gbsr (1810) – gregorgysi (2055), net–chess.com, 2009.

7.Bd3 Nge7 8.Na3 Ng6 9.Nf3 Be7 10.0-0 0-0 11.Ne1 d6 12.Qh5 e5 13.Nac2 Na5 14.Rb1 Qc7 15.Ne3 Nf4 16.Qd1 Qc3 17.Bb2 Qb3 18.Qd2 Qe6?? (better is 18...Nd3 19.Nd3 Nc4 20.Nc4 Qc4-/+) 19.Qa5+/- Nd3 20.Nd3 ed4 21.Nd5 Bd8 22.Qe1 f5 23.N3f4 (23.Bd4?! Qe4 24.Qe4 fe4=) 23...Qe4 24.Qe4 (better is 24.Qb4 a5 25.Qc4+- (25.Qd4?! Qd4 26.Bd4 g5=)) 24...fe4= 25.Bd4 b6 26.Rfe1 Bg5 (better is 26...Bb7+=) 27.Nc7+/- Bf4 28.Na8 d5 29.g3 Bd6 30.Rec1 e3 31.Nc7 Bf5 (31...e2+-) 32.Ra1 (32.Nd5?! Bb1 33.Rb1 ef2 34.Bf2 Kf7+=) 32...e2 33.Nd5 Rd8 (better is 33...Rf7+-) 34.Ne3 (34.Ra7?! Bf8 35.Ne7 Be7 36.Re7 Rd4 37.Re2 Rd7+-) 34...Bd3 35.Ra7 Bb4 36.Bb6 (36.Rg7?! Kf8 37.Ra7 e1Q 38.Re1 Be1+-) 36...Rb8 37.Bc7 Re8 (37...Rb5 38.Ng2 Bd2 39.Re1+-) 38.Ba5 Bc5 (38...Ba3 39.Re1 Bc5+-) 39.Rc5 1–0. Gallegos,Paul (2025) – Macabeo,Rolando, Burlingame op, 1996. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.d5 ed5 8.ed5 Ne5 9.Bf4 Bd6 10.Bg3 Qe7 11.Be2 Nf6 12.Nf3 Nf3-+ 13.gf3 b6 14.0-0 0-0 15.Ba6 Bg3 16.hg3 Ba6 17.Ra6 Qc5 18.Qa4 Nd5 19.Qd7 Nc7 20.Re1?? Na6 0–1. rpatru – pierred, internet, 2010.

7.d5 Ne5 8.Qd4 Qc7 9.Ba3 (9.Na3!? Ba3 10.Ra3 ed5 11.ed5=) 9...d6+= 10.c4 (10.Bb5 Bd7 11.Bd7 Qd7+=) 10...b6 11.Nc3 Bd7 12.Rc1 (12.Nb5 Bb5 13.cb5 Nf6+=) 12...a6-/+ 13.f4 Ng6 14.g3 e5 15.Qd2 ef4 16.gf4 Be7 17.Nf3 Bg4 18.Qe3 Bf3 19.Qf3 Bh4 20.Kd1 Nh6 21.e5 (21.Bd3 Bf6+=) 21...Be7 22.Ne4 (22.e6 0-0 23.Bd3 fe6 24.Bg6 hg6 25.de6 Qc4-/+) 22...Nf5 (better is 22...de5 23.d6 Rd8-/+) 23.Bh3 de5 24.Bf5 Ba3 25.Qa3 Nf4 (25...ef4 26.Re1 f3 27.d6+- (27.Qf3?! 0-0+-)) 26.d6 Qc6 27.d7 (27.Rg1 Ng6 28.d7 Kd8 29.Nd6+-) 27...Kd8+= 28.Qd6 Qa4? (28...Qd6 29.Nd6 Rf8 30.c5+=) 29.Ke1 (29.Kd2 Qa2 30.Rc2 Qa5 31.Ke3+-) 29...Qb3+= 30.Nd2 Qe3 31.Kd1 Qc5 32.Qc5 bc5 33.Rb1 g6 34.Be4 Kd7 35.Ba8 Ra8 36.Rb7 Ke6 37.Nb3 Nd3 38.Kd2 e4 39.Ra1 f5 40.Rb6 Ke5 41.Raa6 Rd8 42.Re6 Kf4 43.Rad6 Rb8 44.Kc3 Kf3 45.h4 f4?? 46.Nd2+- Kg4 47.Ne4 Nc1 48.Nc5 f3 49.Rf6 Ne2 50.Kd2 Ra8 51.Nd3 Kg3 52.c5 Kg2 53.Ne1 (53.Ne1 Kh1 54.Rf3 Ra2 55.Ke3+-) 1–0. Jaroch,Karol – Kowal,Mieczyslaw, Chelmza Poland, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Nf3 d6 8.Bd3 Qc7 9.0-0 Nf6 10.Na3 Be7 11.Qc2 h6 12.Nd2 (12.Nb5 Qb8=) 12...0-0+= 13.f4 Bd7 14.e5 de5 15.fe5 Nd5 16.Ne4 f5 17.ef6 Bf6 18.Nb5 Qb8 19.Qe2 a6 20.Na3 (20.Nf6 Rf6 21.Rf6 Nf6+=) 20...Be7 (20...Nc3 21.Nf6 Rf6 22.Qc2 Rf1 23.Bf1-+) 21.Ra2 (21.Qg4 Rf1 22.Bf1 Kh8+=) 21...b5 (21...Rf1!? 22.Qf1 e5-/+) 22.Qg4+= Rf1 23.Kf1? (better is 23.Bf1 Kh8 24.Rf2+=) 23...Qh2-+ 24.Ng3 (24.Ke2 b4 25.Nb5-+) 24...Rf8 25.Rf2 Rf2 (better is 25...Ba3 26.Rf8 Bf8 27.Bd2-+) 26.Kf2 Bh4 27.Bd2 Qg3 28.Qg3 Bg3 29.Kg3 Nb6 30.Nc2 Kf7 31.Kf4 Ne7 32.Ke5 Bc6 33.g3 Nec8 34.Nb4 Bb7 35.Kf4 Nd6 36.Be2 Nbc4 37.Be1 g6 38.Nd3 a5 39.Ne5 Ne5 40.de5 Nc4 41.Bc4 bc4 42.Bf2 g5 43.Kg4 Kg6 44.Bc5 h5 45.Kh3-+ Kf5 46.Bd6 a4 47.Kh2 Ke4 48.Kh3 Kd3 49.Bb4 a3! 50.Ba3 Kc3 51.g4 Kd4 52.gh5 Ke5 53.Kg4 c3 54.Kg5 Be4 55.Bb4 c2 56.Ba3 Kd5 57.Kf4 Bh7 58.Bb2 e5! 59.Ke3 Kd6 60.h6 Kd5 61.Ba3 Kc4-+ 62.Kd2 Kb3 63.Bd6?? e4 64.Be5 ½–½. Husarik,Branko (2080) – Parpel,Petr (1860), Czechia KP–chTA, 2007. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Nf3 d6 8.Bd3 Be7 9.e5 h5 (9...de5 10.de5 Qc7 11.Bf4=+) 10.ed6 Bd6 11.0-0 Nf6 12.Re1 0-0 13.Nbd2 (13.Bg5 Re8=) 13...a6 14.Nc4 Be7 15.Nfe5 Nd5 (15...h4!?+=) 16.Qh5+- Ne5?? (better 16...Nf6 17.Qh3 Re8+-) 17.Qh7 (17.de5?! f5 18.ef6 Nf6+-; 17.Ne5?! Nf6 18.Qh4 Re8+-; 17.Re5?! f5 18.Bd2 b5+=; 17.Qe5?! Nc3 18.Bd2 Nb5=) 1–0. juliangon (2705) – shm19cs (1680), ChessWorld.net, 2019. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Nf3 d6 8.Bd3 Nf6 9.h3 Be7 10.g4 h6 11.Ra2 (11.0-0 0-0=+) 11...Bd7-/+ 12.Na3 (12.0-0 0-0-/+) 12...a6 13.Be3 b5 14.Nc2 (14.0-0 0-0-/+) 14...a5 (14...d5!? 15.Nd2 de4 16.Ne4 Nd5-+) 15.Bd2 Rb8 16.Rb2 d5 17.ed5 Nd5 18.Rb5 (18.0-0 b4 19.c4 Nc3-/+) 18...a4 (better 18...Ncb4!? 19.Rb4 ab4 20.cb4 Ba4-+) 19.Rb8 (19.0-0 h5=+) 19...Qb8 (19...Nb8?! 20.c4 Nf6 21.0-0=) 20.c4 Ndb4 (20...Nf4 21.Be4=+) 21.Bb4 (21.Be4 f5 22.gf5 ef5=) 21...Bb4 22.Nb4 Qb4 23.Qd2 0-0 24.Qb4 Nb4 25.Ne5 (25.Be2 Rb8 26.Kd2 Nc6=+) 25...Nd3-/+ 26.Nd3 Bc6 27.0-0 Rb8 28.Ne5 (28.Ra1 Rb3 29.d5 ed5-/+ (29...Rd3?! 30.dc6 Rd6 31.Ra4 Rc6 32.Kg2=)) 28...Be8 (28...Be4 29.c5-/+) 29.c5 (29.d5 ed5 30.cd5 Kf8-/+) 29...f6 30.Nc4 Rb3 31.Na5 Rh3 (better 31...Rc3!? 32.Ra1 Bb5-/+) 32.f3= h5 33.c6 hg4 34.Kg2? (better 34.c7 Bd7 35.Nc4=+) 34...a3 (better 34...Rf3 35.Rc1 a3-+) 35.Rf2? (35.fg4 Rc3 36.Ra1-+) 35...Rf3 36.Rc2 Kf7 37.c7 Bd7 38.Nc4 (38.Nb7 Kg6-+) 38...Rb3 39.Ra2 (39.Kf1 Ke7-+) 39...Rc3 40.Na3 Rc7 41.Nc2 (41.Rc2 Rc2 42.Nc2-+) 41...Bc6 42.Kf2 Bd5 43.Rb2 Rc3 44.Ne3 (44.Ne1 g3 45.Kf1 Rc1-+) 44...g3! 45.Ke2 (45.Kg3 Re3 Deflection) 45...g2 46.Rb1 Be4 (better 46...Rb3 47.Rc1 Rb2 48.Kd3-+) 47.Ra1 (47.Re1 f5 48.Kf2 Kf6-+) 47...f5 (better 47...Ra3 48.Rg1 Ra2 49.Ke1-+) 48.Rg1 (48.Kf2 Kf6 49.Re1 f4-+) 48...g5 (better 48...f4 49.Ng2 Rc2 50.Kf1 Bd3 51.Ke1-+) 49.Nd1 (49.Ng2 Rc2 50.Ke3 Rg2 51.Rc1-+) 49...Rc1 50.Kf2 (50.Kd2 Ra1-+) 50...Rc2 (better 50...g4 51.Kg3-+) 51.Ke3 Rc1 52.Kd2?? (52.Kf2 g4 53.Ke3-+) 52...Ra1-+ 53.Ke2 (53.Ke3 g4-+) 53...f4 54.Re1 g4 55.Kd2 Bf3 (55...Bf3 56.Kc2 Rd1 57.Re4 Be4 58.Kc3 g1Q 59.Kc4 Qd4 60.Kb5 Rb1 61.Ka5 Qa7) 0–1. Schmitz,Karl_Heinz – Lombardi,Marco (1825), Dortmund Germany, Sparkassen Open–B, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 e6)

7.Nf3 Nf6 8.Bd3 Qc7 9.0-0 d6 10.Na3 Be7 11.Nc4 0-0 12.Ba3 e5 13.h3 b5 14.Ne3 Rb8 15.Rb1 ed4 16.cd4 b4 17.Bb2 a5 18.d5 Na7 19.Rc1 Qd8 20.Nd4 Ra8 21.Nc4 Bd7 22.Nd2 Rc8 23.Qb3 Nh5 24.f4 Bh4 25.Bc4 Qb6 26.Qd3 Rc7 27.g4= Nf6 28.Kg2 Nc8?? 29.N2f3 Nd5 30.Bd5+- Bd8 31.e5 de5 32.fe5 Ne7? 33.Ng5 Ng6 34.Nf7 Be7 35.Ng5 (35.Ng5 Kh8 36.Rc7 Qc7 37.Nf7 Kg8 38.e6+-) 1–0. Popov,Kirill – Danchenkova,J (1990), 13th FIDE Open, Voronezh RUS, 2009.

6.d4 Nf6

7.Bd3 d5 8.e5 Nd7 9.e6=+ Nf6 10.ef7 Kf7 11.Nf3 Qc7.

7.Bd3 e6 8.Nf3 d6 9.0-0 Be7 10.Qc2 Bd7 11.Re1 Rc8 12.Ba3 a5 13.Qb2 0-0 14.Nbd2 Qc7 15.Rab1 Rb8 16.Qc2 Rfc8 17.Rec1 g6 18.e5 de5 19.Be7 Ne7 20.Ne4? (better is 20.Ne5 Bc6 21.Qa2+=) 20...Ne4-+ 21.Be4 f5 22.Bb7 Rb7 23.Ne5 Rb1 24.Qb1 a4 25.Qa2 Qd6 26.Nd3 Nd5 27.Nc5 Bc6 28.Qe2 (28.Nd3 Nf6-+) 28...Nf4 29.Qe3 Ng2 30.Qe6 Qe6 31.Ne6 Nh4 32.h3 a3 33.Ra1 (33.Kh2 Nf3 34.Kg3 Kf7-+) 33...Nf3 34.Kf1 Bb5 35.Kg2 Rc3 36.d5 Kf7 37.Nf4 Ke7 38.Ra2 (38.Ne6 Bc4 39.Nc7 Kd6 40.Ne8 Ke5-+) 38...Ne1 39.Kh2 0–1. NikMed – marekt, ChessWorld.net, 2013. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6)

7.d5 Nb8 8.e5 Ng8 9.Bd3 g6 10.Nf3 Bg7 11.Qe2 Nh6 12.h4 a5 13.h5 Na6 14.Ng5 Nc5 15.Bc2 b6 16.Ra3 Ba6 17.c4 Qb8 18.Bf4 Bc4 (better is 18...Qc7!?=) 19.Qc4+/- Be5 20.Bd2 Nf5 21.Rf3 Nd6 22.Qe2 Nf5 23.Bf5 gf5 24.Rf5 f6 25.Nf3 Qd6 26.Nc3 0-0-0? 27.0-0 e6 28.Ne5 fe5 29.Re5 Rhg8 30.Rb1 Rg7 31.Nb5 Qb8 32.Bf4 Rdg8 33.g3 d6 34.Re6 Ne6 35.Qe6 Kb7 36.Nd6 Ka6 37.Qe2 Ka7 38.Nb5 Kb7 39.Bb8 Kb8 40.Qe5 Kb7 41.d6 (41.d6 Kc8 42.Qe6 Kb7 43.Qd5 Ka6 44.Nc7 Ka7 45.Qc6 Rb8 46.Rb6 Rg3 47.fg3 Rb6 48.Qa8) 1–0. Hofmann,Ma – Muellneritsch,Anton, AUT–ch sf Finkenstein, 1990. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6)

7.d5 Ne5= 8.Qd4 d6 9.Ra7 Ra7 10.Qa7 e6 11.Bb5 Ned7.

7.d5 Ne5 8.f4 Ng6 9.e5 Ng8 10.h4 e6 11.d6 (better 11.h5 Nh4 12.d6+=) 11...Qb6 (better 11...Nh4!? 12.Be3 a6=) 12.Na3 (12.h5 Nh4 13.g4+- (13.Rh4?! Qg1 14.Rh3 Qb6+/-)) 12...f6? (12...Nh4 13.Rh4 Qg1+-) 13.h5+- fe5? (13...Qa5 14.hg6 Qc3 15.Qd2 Qg3 16.Kd1 Qb3 17.Qc2 Qc2 18.Kc2 h6+-) 14.hg6 Nf6 15.fe5 Nd5 (15...Qa5 16.Qd4 Bd6 17.ed6 h5+-) 16.Rh7 Rh7 (16...Qa5 17.Qf3 Qc3 18.Qc3 Nc3 19.Rh8 b6 20.Bg5 Bb7 21.Be7 Bg2 22.Rf8) 17.gh7 Nc3 18.Qh5 Kd8 (18...g6 19.Qg6 Kd8 20.Bg5 Be7 21.h8Q) 19.Bg5 Be7 20.Be7 (20.h8Q) 1-0. juliangon – pipesharp, ChessWorld.net, 2021. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4)

7.e5 Ng8 8.Bb5 d5 9.ed6 e6 10.Bf4 Bd6 11.Bd6 Qd6.

7.Bd3 d6

8.Nd2 Qc7 9.Ngf3 e6 10.c4 Be7 11.0-0 0-0.

8.Nd2 e6=+ 9.Ngf3 Be7 10.0-0 Qc7 11.Re1 0-0.

8.Ne2 d5 9.e5 Nd7 10.Nf4 Nb6 11.0-0 g5.

8.Ne2 e6 9.Nd2 Be7 10.0-0 0-0 11.Ng3 Bd7.

8.Nf3 d5 9.Nbd2 Bg4 10.Qb3 de4 11.Ne4 Bf3.

8.Nf3 e6 9.0-0 Be7 10.Qc2 Bd7 11.Bf4 a6.

8.f4 Qc7 9.Nf3 a6 10.0-0= Bg4 11.h3 Bd7 12.e5 de5 13.fe5+= Nd5 14.Ng5 Nd8 15.Qf3 Nc3? 16.e6+- Be6 17.Ne6 Ne6 18.Qf7 Kd7+/- 19.Nc3 Qc3 20.Bf5 Qc6 21.Ba3 Qd5 22.Rfe1 Qd4 23.Kh1 Qb6 24.Rac1 (24.Rac1 Kd8 25.Re6 Qc7 26.Rd6 Qd6 27.Bd6 e6 28.Bc7 Kc8 29.Qe6) 1–0. Wuehl,Martin – Fenske,Nils, Badenweiler op (5), 1995.

8.f4 d5 9.e5 Ng8 10.Nf3=+ Nh6 11.Qb3 Nf5.

8.f4 e6 9.Nf3 Be7 10.0-0 d5 11.e5 Ne4 12.Be4 de4 13.Ng5 Bg5 14.fg5 0-0 (14...b5!?=) 15.Ba3+= Ne7 16.Nd2 e3 17.Ne4 Bd7 18.Qh5 f6?? (18...e2 19.Be7 ef1Q 20.Kf1 Bb5 (20...Qe7? 21.Nf6 gf6 22.gf6 Qf6 23.ef6+-) 21.Kg1 A) 21...Qe7? 22.Nf6 Qf6 23.gf6+- (23.ef6?! Bc4+/-); B) 21...Qd5=) 19.gf6+- Be8 (19...e2 20.Qe2 (20.fe7?! ef1Q 21.Rf1 Rf1 22.Kf1 Qe8+=) 20...Nf5 21.Bf8 Qf8 22.Qa2+-) 20.fe7 (20.fe7 Rf1 21.Rf1 Bh5 22.ed8Q Rd8 23.Re1+-; 20.Be7?! Bh5 21.Bd8 Rfd8+-) 1–0. Lotero,Faiber (2175) – Garces,Javier (2000), Ibague COL, Men Ch, 2013. (=1.e4 c5 2.b4 cb4+= 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6)

7.e5 Nd5

8.Qb3 Nc7 9.Nf3 d5 10.ed6 ed6 11.Bd3 Be7.

8.Qb3 e6 9.Nf3 d6 10.Bb5 Be7 11.0-0 0-0.

8.c4 Ndb4 9.Bd2 d5 10.Qa4 Na6 11.cd5 Qd5.

8.c4 Ndb4 9.f4? Nd4!-+ 10.Na3 Qa5 11.Bd2? Nbc2! 12.Nc2 Nc2 13.Qc2 Qa1 14.Kf2 e6 15.g3 b6 16.Bg2 Bc5 17.Ke2 Rb8 18.Nh3 Qd4 19.Rf1 Ba6 20.Ke1 Bc4 21.Rf2 0-0 22.Re2 Be2 23.Ke2 d5 24.ed6 Rfd8 0–1. rpatru (2180) – pcmvr (2840), net–chess.com, 2010.

8.c4 Nc7 9.f4 e6 10.d5 Bb4 11.Bd2 ed5-/+ 12.Bb4 Nb4 13.Qb3 Nca6 14.cd5=+ 0-0 15.d6= Kh8 16.Bc4 f6 17.Nf3 fe5 18.fe5 Qb6 19.Nbd2 Nc5 20.Qb1 Ncd3?? 21.Ke2?? Qf2-/+ 22.Kd1 Qg2 23.Bd3?? Qh1-+ 24.Ke2 Qg2 25.Ke3 Nd5 26.Kd4 Rf4 27.Kd5 b6 28.Ba6 Qh3 29.Nd4 Qh5 30.N2f3 Qf7 31.e6 de6 32.Kc4 e5 33.Kd3 Rf3 34.Kd2 Qf4 35.Ke2 Rf2 36.Kd3 Qd4# 0–1. rpatru (2180) – rogeliovargas (2180), net–chess.com, 2010.

8.Nf3 d6 9.Be2 de5 10.Ne5 Ne5 11.de5 e6.

8.f4 e6 9.Nf3 Be7 10.Bd3 0-0 11.0-0 f6 12.Be4 Nb6 13.ef6 Bf6 14.Ne5 Ne5 (14...d5 15.Bd3=) 15.fe5= Be7 16.Rf8 Qf8 17.Ra2 g6 18.Rf2 Qg7 19.Qf3 d5 20.ed6 Bd6 21.Bf4 Bf4 22.Qf4 Nc4 23.Qg5 Bd7 24.Qc5 Rc8 25.Qa7 b5 26.Bd3 h6 27.Rf3 (27.Qa6 Kh7+/-) 27...g5 28.h3 Bc6 29.Qg7 (29.Qa6 Qd7 30.Bc4 bc4+=) 29...Kg7= 30.Rf2 Ra8 31.Bc4 bc4 32.Rb2 Ra1 33.Kf2 Kf6 34.g3 (34.g4!?=) 34...Be4+= 35.Nd2 Bd5 36.Nb1 ½–½. Cseke,Richard (2250) – Pap,Janos (2180), HUN–chT2 Erkel, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 Nf6 7.e5 Nd5)

5.d4 Qc7

6.c3 Na6 7.Nf3 g6 (7...Nf6 8.e5 Ne4 9.Qb3=) 8.Bd3 Bg7 9.0-0 Nh6 10.Bd2 0-0 11.Na3 d6 12.Nb5 Qd8 13.Qc1 Ng4 14.h3 Nf6 15.e5 de5 16.Ne5 Nd7 17.Nf3 e5 18.Bg5 Qb6 19.Rb1 ed4 20.cd4 Nf6 21.Nc3 Qc6 22.Ne5 Qc7 (22...Qd6 23.Rd1=) 23.Bf4 Qd8 24.Ba6 ba6 25.Rd1 Be6 26.Bg5 (better is 26.Nc6 Qd7 27.d5+=) 26...Qd6?? (better is 26...Rc8=) 27.Bf6+- Bf6 28.Ne4 Qd8 (28...Be5 29.Nd6 Bd6+-) 29.Nc6 (29.Nf6?! Qf6 30.Qc6 Qg5=) 29...Rc8 (29...Bg5 30.Ng5 Qd7 31.Qc5+-) 30.Nd8 Rc1 31.Nf6 Kg7 1–0. Moro,Antonio – De Carvalho Machado,F (1860), II Brazil Open, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4)

6.c3 Nc6 7.Na3 e6 8.Nb5+= Qb6 9.Bf4+/- d6 10.Nf3 Nd8?? 11.Be2?? Nf6 12.Qb1 Be7?? 13.Nd6!+- Kd7?? 14.Qb6 ab6 15.Bb5 Nc6 16.Ra8 (16.Ra8 Bd6 17.Bd6 Kd6 18.e5 Ke7 19.ef6 gf6 20.Bd3+-) 1–0. gregorgysi (2300) – michelleke (2355), net–chess.com, 2010.

6.c3 Nc6 7.Na3 e6 8.Nb5+= Qd8 9.d5+- ed5 10.ed5 Ne5? 11.d6 Nf6 12.Nc7 Qc7 13.dc7 Bc5 14.Ra5 b6 15.Rc5! bc5 16.Qd6 Nc6 17.Nf3 Ne4 18.Qd5 Nc3 19.Qd3 Na2 20.Qe2 Kf8 21.Qa2 (21.Qa2 Bb7 22.Ng5 Re8 23.Kd2+-) 1–0. pierred (2755) – rogeliovargas (2180), net–chess.com, 2010.

6.c3 Nc6 7.Na3 e6 8.Nb5+= Qd8 9.d5+- ed5 10.ed5 Qe7 11.Be2 Ne5 12.Nc7 Kd8 13.Na8 d6 14.Ra7 Nd7 15.Qa4 Ngf6 16.Qa5 Nb6 17.Qb6 Ke8 18.Bg5 Bg4 19.Nc7 Kd7 20.Qb7 Qe2 21.Ne2 Be2 22.Ne6 (22.Ne6 Ke8 23.Qf7) 1–0. pcmvr (2840) – rogeliovargas (2180), net–chess.com, 2010.

6.c3 Nc6 7.Nf3 e5 8.Na3 a6 9.d5 Na7 10.Bb2 d6 11.c4 Nf6 12.Bd3 Be7 13.Qe2 Bd7 14.0-0 0-0 15.Rfb1 Ng4 16.h3 Nh6 17.Bc1= f5 18.Be3 f4 19.Bb6 Qc8 20.Kh2 Rf6 21.Rc1 Nf7 22.Rc3 Rh6=+ 23.Kg1? Bh3!-+ 24.gh3 Qh3 (24...Qh3 25.Nh4 Rh4 26.Qf3 Qf3 27.Ba7 Qh1) 0–1. gregorgysi (2245) – pascalm, net–chess.com, 2010.

6.c3 Nc6 7.Nf3 e6 8.Bd3+= d6 (8...Nf6 9.0-0+=) 9.0-0 Be7 10.Na3 Nf6 11.Nb5 Qd8 (11...Qd7 12.Qc2+=) 12.Qc2+- a6 (12...h6+-) 13.Rd1 (13.Nd6 Qd6 14.e5 Qc7 15.ef6 gf6+=) 13...Bd7 (13...Nd7 14.Bd2+=) 14.Na3 (better 14.Nd6!? Bd6 15.e5+-) 14...Rc8 (14...b5 15.e5 Nd5 16.Bd2=) 15.Rb1 (15.Qb2!?=) 15...b5=+ 16.Qe2 (16.c4 d5 17.ed5 Nb4=+) 16...0-0 (16...Na5 17.Nc2=+) 17.Nc2 (17.c4 b4 18.Nc2 a5=+) 17...Na5 (17...d5 18.e5 Ne4 19.Be4 de4 20.Nd2=) 18.Bd2 (18.Nb4!?=) 18...Nc4-/+ 19.Ne3 Nd2 20.Qd2 Qc7 21.Rdc1 (21.e5 Nd5 22.Nd5 ed5-/+) 21...Qb7 22.Qc2 Bc6 23.e5 Ne4 24.Qe2? (better 24.ed6 Bd6 25.Ne5 Be5 26.de5-/+) 24...Bd5?? (better 24...Nc3 25.Rc3 Bf3-+) 25.c4+- Bc6 (25...de5 26.Ne5 (26.Nd5?! ed5 27.de5 Nc5 28.cb5 Nd3 29.Qd3 Rc1 30.Rc1 Qb5 31.Qb5 ab5=+) 26...Ba3 27.Rc2+- (27.Nd5 ed5 28.Re1 f6=)) 26.d5+- ed5? (better 26...Bd5!? 27.cd5 Nc5+-) 27.cd5 Bd5 (27...Bd7 28.Rc8 Bc8 29.Be4+-) 28.Nd5 Qd5 (28...Rc1 29.Rc1 Qd5 30.Be4+- (30.Qe4?! Qe4 31.Be4 de5+-)) 29.Be4 (29.Qe4?! Qe4 30.Be4 Rc1 31.Rc1 Rd8+-) 29...Rc1 (29...Qe6 30.Nd4 Qh6 31.Rc8 Rc8 32.Nc6+-) 30.Rc1 Qe6 (30...Qb3 31.Rd1 Qb4 32.Bd5+-) 31.Nd4 Qe5 (31...Rc8 32.Re1 Qc4 33.Qc4 Rc4+- (33...bc4?? 34.Nf5 Bg5 35.f4+-)) 32.Nc6 (32.Nc6 Qe6 33.Ne7 Kh8 34.Nd5+-) 1–0. Ohanyan,Emin – Zhumabayev,Danial, World Cadets, Championships U8 U1, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 Qc7)

5.d4 d5

6.Ba3 Nc6 7.ed5 Qd5 8.Nf3 g6 9.c4 Qe4 10.Be2 Bg7 11.Nc3 Qg4 12.Nb5 Qd7 13.d5 a6 14.Bc5 Ba1 15.Qa1 Nf6 16.Nd6 Kf8? 17.Nc8+- Rc8 18.Qf6 Kg8 19.dc6 Rc6 20.Qe7 Qe7 21.Be7 Kg7 22.Nd4 Rb6 23.0-0 1–0. Sharafiev,A (2430) – Talov,N (2085), XXXI Nezhmetdinov Mem, Kazan RUS, 2009.

6.c3 Na6 7.ed5 Qd5 8.Na3 Bd7 (8...Nf6 9.Nf3=+) 9.Nf3= Nf6 10.Bd3 (10.Ba6 ba6 11.c4 Qe4 12.Be3 Bg4=) 10...e6 (10...Bg4 11.Be2=+) 11.Qe2 (11.0-0 Rc8 12.c4 Qh5=) 11...Be7 12.Nb5 (12.Ba6 ba6 13.c4 Qe4=+) 12...0-0 13.0-0 Qh5 14.Bf4 Bc6 15.Rfb1 (15.Ne5 Qe2 16.Be2 Bb5 17.Bb5 Nc7-/+) 15...Nd5 (15...Bf3 16.Qf3 Qf3 17.gf3-/+) 16.Bd2=+ Ndc7 17.Ne5 Qe2 18.Be2 Bb5 19.Bb5 f6 (19...Nb5!? 20.Rb5 Rfb8=) 20.Nf3 (20.Ba6 ba6 21.Nc6 Rf7+-) 20...Bd6 21.Bc4 (21.Ba6!? ba6 22.c4+=) 21...Rab8 22.g3 (22.Rb2 g5=) 22...Kh8 23.Re1 Rfe8 24.Rab1 (24.h3 e5=) 24...b5-/+ 25.Bf1 g5 26.Ra1 Rb6 27.c4 bc4 28.Bc4 Re7 (28...g4 29.Nh4-/+) 29.Ra4 (29.Ba5 Rb8=) 29...Bb4 (29...g4 30.Ba5 Rc6 31.Nd2=+) 30.Bb4= Rb4 31.Rea1 Ra4 32.Ra4 Nb8 33.Ra7 Nc6 34.Ra4 (34.Rb7!?=+) 34...g4-/+ 35.Nd2 Nd4 36.Kg2 Kg7 37.f3 gf3 38.Nf3 Nf5 39.Bd3 Nd5 40.Kf2 Nfe3 41.h3 (41.Re4 Nd1 42.Ke1 f5-/+) 41...f5 42.g4 (42.Ne5 Kf6 43.Nc6 Rb7-/+) 42...f4 43.Ne5 Kf6 44.Nc4 Nd1 (44...Nc4 45.Rc4 Kg5 46.Rc5-+) 45.Kf3-/+ Rb7 (45...N1c3 46.Ra8-/+) 46.Bc2 (46.h4!?=+) 46...N1c3 47.Ra8 Rc7 48.Bb3 (48.Bd3!?-/+) 48...Nb5-+ 49.Rf8 (49.Kf2 Nd4 50.Ba2 Nc3-+) 49...Kg7 (better 49...Ke7 50.Rf4 Nf4 51.Kf4 Nd4-+) 50.Re8?? (better 50.Rf4 Nf4 51.Kf4-+) 50...Nd4 51.Ke4 Nb3 52.Re6 (52.Nd6 Nc5 53.Kf3 Rc6-+) 52...Nc5 53.Kd5 Ne6 54.Nd6 (54.Nb2 f3 55.Nd3-+) 54...Rd7 55.Ke5 (55.Ke6 Rd6! 56.Kd6 Kf6-+) 55...Rd6! 56.Ke4 (56.Kd6 Kf7 Combination) 56...Kf6 (56...Rd4 57.Kf3 Ng5 58.Ke2 f3 59.Kf2 Rd2 60.Ke3 Re2 61.Kd4 f2 62.Kd3 f1Q 63.Kc4 Rc2 64.Kd4 Qd1 65.Ke5 Rc5 66.Kf4 Qf3) 57.g5 Kg5 58.h4 Kf6 59.h5 Rd4 60.Kf3 Kf5 61.h6 (61.Kf2 Ng5 62.h6 Rd2 63.Kf1 f3 64.Kg1 Nh3 65.Kh1 Nf2 66.Kg1 Ng4 67.Kf1 Rd1) 61...Ng5 62.Kg2 (62.Ke2 f3 63.Ke3 Re4 64.Kd3 f2 65.Kc2 f1Q 66.Kd2 Qg2 67.Kd3 Qf3 68.Kd2 Re2 69.Kc1 Qf1) 62...Rd2 63.Kh1 (63.Kf1 f3 64.Kg1 Nh3 65.Kh1 Nf2 66.Kg1 Ng4 67.Kf1 Rd1) 63...f3 64.Kg1 Nh3 65.Kh1 Ng5 (65...Ng5 66.Kg1 Ne4 67.Kh1 Ng3 68.Kg1 Rg2; 65...Rd1 66.Kh2 f2 67.Kg3 f1Q 68.Kh4 Qf2 69.Kh3 Rd3) 0–1. Winter,Kevin (1835) – Kalaiyalahan,Akshaya (1840), It E2e4 Sunningdale Easter Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5)

6.ed5 Qd5 7.Na3 -/+.

6.ed5 Qd5 7.c3 Qe4 8.Kd2 Qf4 (better is 8...Nc6!?-/+) 9.Ke1= Qe4 10.Kd2 Nf6 11.Nf3 Nc6 12.Qe2 Qf5 13.Qd3 Ne4 14.Ke1 g6 (14...a6 15.Qe3 Nf6 16.Bd3+=) 15.Nbd2 Nd6 16.Ba3 Bg7 17.Bd6 ed6 18.Qe4 (18.Qe3 Qe6+=) 18...Be6 19.Bb5?? (better is 19.Qf5 Bf5 20.Bc4-/+) 19...Qb5-+ 20.Rb1 Qf5 (20...Qa5 21.Rb7 Qc3 22.d5 Qc1 23.Ke2 Qh1 24.de6-+) 21.Rb7 Qe4 22.Ne4 0-0 (22...0-0-0!? 23.Rb2-+) 23.Rb2 0–1. Georgescu,Gabriel (2090) – Chaplain,Fabrice (2090), St Lorrain op 7th, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5)

6.ed5 Nd5 7.c4+= Nb6 8.Nc3 Nf6 9.Nf3 g6 10.Bf4 a6 11.Be2 Bg7 12.Ne5 0-0 13.Bf3 Nbd7 (13...Nfd7!? 14.c5 Ne5 15.Be5 Be5 16.de5 Nc4+=) 14.0-0= Ne5 15.Be5 Nd7 16.Bg7 Kg7 17.Rb1 Rb8 18.Re1 Nf6 19.Re5 b6 20.d5 Nd7 21.Qd4 f6 22.Re3 Nc5 23.Rbe1 (23.Qh4 Qd6=) 23...Rf7 (23...e5 24.Qh4+=) 24.Ne2 Qd6 25.h4 a5 26.g4 (26.h5 a4+=) 26...a4-/+ 27.Ng3 (27.Qc3 Bd7-/+) 27...Nb3 (27...e5!? 28.Qb2 Bd7-/+) 28.Qc3+= Kg8 29.h5 Bd7 30.g5 f5?? 31.Re5?? Rc8?? 32.h6?? b5-/+ 33.Re6 Qc5 34.Nf5? gf5?? 35.Bh5 Qd4 36.Bf7+/- Kf7 37.Re7 Kf8 38.Qd4 Nd4 39.Rd7 Nf3 40.Kf1 Ne1 41.Ke1 Kg8 42.Rg7 Kh8 43.d6 (worse is 43.cb5 a3 44.Ra7 Kg8+-) 0–1. Kirch,Fritz (1825) – Nahlik,Bernhard (1845), Mittelfrankenliga–B2b, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5)

6.ed5 Nd5 7.c4 Nc7 8.Nc3 e6 9.Nf3 Nf6 10.Bd3 Be7 11.0-0 0-0 12.Ne5 Na6 13.Bb2 Nb4=+ 14.Be2 Nd7 15.Nf3 b6 16.Qb3 Bb7 17.Rfd1 a5 18.Rd2 (18.Bc1 Qb8=+) 18...Qb8 19.Rad1 Bd6 20.Ba3 Bf4 21.Rb2 e5 22.Nd5 (22.g3 ed4 23.Rd4 Nc5=+) 22...Nd5 (22...Bd5!? 23.cd5 e4-/+) 23.Bf8=+ e4 (worse 23...Nf8 24.cd5 e4 25.Ne5+=) 24.cd5? (better 24.Ne5 Ne5 25.de5 Be5 26.cd5 Bb2 27.Qb2 Qf8 28.Qb6=+) 24...ef3 (24...a4 25.Qa3 ef3 26.Qf3 Kf8 27.g3-+) 25.Bf3 (25.Qf3 Nf8 26.Rb6 Bh2 27.Kh1 Bd6-+) 25...Qf8 (25...Nf8?! 26.Qb6 Ra7 27.d6 Bd6 28.Bb7-/+; 25...Bh2 26.Kh1 a4 27.Qd3-/+) 26.Qb5 Rd8 27.g3 Bd6 28.Rc2 g6 29.Rc6 Qe7 30.Rdc1 Bc6 31.dc6 Nf6 32.Qb6 Bc7 33.Qa7 Nd5 34.Rc5 Nb4 35.Ra5? (35.d5 Qe1 36.Kg2 Qe5-+) 35...Qe1 (better 35...Nc6!? 36.Bc6 Qe1 37.Kg2 Ba5 38.d5-+) 36.Kg2 Ba5 37.Qa5 Rc8 (37...Qe7 38.h3-+) 38.d5 Qe7 39.Qb5 Qd6 40.Qb7 Rc7 41.Qb5 Kg7 42.h4 (42.Qc4 Kf8-+) 42...h5 (42...Rc8 43.Be4-+) 43.Qc4 Kh7 (43...Kf8 44.Qe4-+) 44.Be4 (44.Qf4 Qf4 45.gf4 Kg7-+) 44...Re7 (44...Rc8 45.Kh2-+) 45.Bf3 Ra7 (45...Kg7 46.Be4-+) 46.Qd4 (better 46.Qf4 Qc5 47.Qe3 Qe3 48.fe3 Ra2 49.Kf1-+) 46...Nc6?? (better 46...Ra2 47.Qc4 Rc2-+) 47.Qb6=+ Qb4 48.Qc6 Qd4 49.Qa4?? (better 49.Qc2=+) 49…Qb6 ½–½. Vybiral,Zdenek (2280) – Jascenko,Olga (2150), Czech Chess Championships, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5)

6.c3 Nc6

7.Bb5 de4 8.d5 Qd7 9.dc6 bc6 10.Qd7 Bd7 11.Ba6 +/-.

7.Bb5 e6 8.e5 Bd7 9.Bd3 f5 10.g4 Nge7=+ 11.Nh3 Ng6 12.Ng5 Be7 13.Ne6= Be6 14.gf5 Bf7 15.fg6+/- hg6 16.Qc2 Bg5 17.Nd2+/- Rc8 18.Qb1 Qe7 19.Bg6 Rh6?? 20.Bf7 Qf7+/- 21.Qd3 b6 22.Nf1 Bc1 23.Rc1 Rh4 24.Rd1 Na5 25.Ng3 Rf4+= 26.0-0 Rf3? 27.e6!+- Qf6 28.Qb5 Kf8 29.Rde1 Rc7 30.Qd5 Rfc3? 31.Qd6 Qe7 32.Qe7 Ke7?? 33.Nf5 Kf6 34.e7 Rc8 35.Nd6 1–0. Gietl,Thomas (2205) – Reis,Gerhard (2180), Landesliga Nord, 1996.

7.ed5 Qd5

8.Na3 Qd8 9.d5 Ne5 10.Nb5 a6 11.Bf4 Bg4 12.f3 (12.Qa4!? Bd7 13.Be5+/-) 12...ab5= 13.Ra8 Qa8 14.fg4 Nc4 15.Nf3 Nf6 16.Be2 (16.Nd4 Qa6 (worse 16...Nd5 17.Nb5 Ncb6 18.c4+-) 17.Qf3 Qa1 18.Kf2 h6=+) 16...Ng4 (16...Ne4!? 17.Bc4 bc4=) 17.0-0 Nge3?? (better 17...Qa2=+) 18.Be3+- Ne3 19.Bb5 Kd8 20.Qd4 Nf1 (20...Qa5 21.Qe3 Qb5+-) 21.Qb6 Kc8 22.Ne5 Qa1 (22...Qa4 23.Qc5 Kb8 24.Nd7 Ka8 25.Qc8 Ka7 26.Qb8) 23.Bd7 Kb8 24.Nc6 Ka8 25.Qd8 1-0. Bugayev,Vladimir - Kalinina,L (2130), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

8.Na3 Qe4 9.Be2 Bd7 10.Nf3= e6 11.Ng5 Qf5 (11...Qg2?? 12.Bf3 Qh1 13.Bh1+-) 12.Nb5 Rc8 13.Bd3 Qd5 14.0-0 (14.Na7?! Na7 (14...Qg2?? 15.Be4 Qe4 16.Ne4+-) 15.Ra7 Nf6= (15...Qg2 16.Be4 Qh1 17.Bh1+-)) 14...Ne5 15.Ra5 Nd3 16.Nc7 Rc7 17.Rd5 ed5 18.Qd3 Be7 19.Re1 f6 20.Qg3 (worse is 20.Nh7 Kf7 21.Qf3 Rh7 22.Qd5 Kf8+=) 20...Rc6 21.Nh3 Kf7 22.Qf3 Bh3 23.Qh3 f5 24.Qf5 Nf6 25.g4 h6 26.h4 g6 27.Qf3 Re6 28.Re5 g5? (28...Bd6 29.g5 Be5 30.de5 Rd8+-) 29.hg5 hg5 30.Bg5 Rg8 31.Re6 Rg5 32.Re5 Rg4 33.Kf1 a5 34.Rd5 a4 (34...b6 35.Rb5 Rg8 36.Rb6+-) 35.Re5 Bd6 36.Qb7 Kg6 37.Re6 Bf4 38.Qa6 (38.Qa6 Bg5 39.Qa4+-) 1–0. Bezgodov,Alexei (2555) – Askarov,Marat (2430), RUS–chT Clubs sf, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Na3 Qe4 9.Be2 Be6 10.Nf3= Bg4 11.0-0 Nf6 12.Re1 Qf5 13.Nb5 Rc8? (13...Rd8 14.Qb3 Nd5 15.Na7 Qf6+-) 14.Nd6!+- (14.Na7 Ra8 15.Bb5 e6+-) 14...ed6 15.Bd3 Qe6 16.Re6 fe6 17.h3 Bh5 18.g4 Bf7 19.Qe2 Kd7 20.Ng5 Bg8 21.Rb1 b6 22.Bc4 d5 23.Bb5 h6 24.Nf3 Bd6 25.Ne5 Be5 26.Qe5 a6 27.Ba3 Ne8 28.Bc6 Rc6 29.Qb8 b5 30.Bc5 Bh7 31.Ra1 Bd3 32.Rd1 Bc2 33.Rd2 Be4 34.f3! Bg6 35.Kg2 h5 36.g5 Bf5 37.Kg3 Rg8 38.h4 Rh8? 39.Bb6+- Rc3 40.Qd8 Kc6 41.Qc8 Kb6+/- 42.Qc3 Nc7 43.Kf4 g6 44.Ke5 Rd8 45.Rd1 Kb7?? 46.Rc1 Rc8 47.Qc6 Ka7 48.Ra1 Bh3 49.Ra6 Na6 50.Qc8 Kb6? 51.Kd6 b4 52.Qd8 Kb5? 53.Qe8 Ka5 54.Qg6 Bf5 55.Qf5 ef5+= 56.g6 b3 57.g7 b2 58.g8Q b1Q 59.Qd5 Qb5 60.Qb5 Kb5 61.Ke5 Kc4 62.f4 Nc7 63.Kf5 Kd4 64.Kg6 Ke4 65.f5 Nd5 66.Kh5 ½–½. Prus,Marek (1910) – Pawlowski,Michal (1935), XXXXI YMCA Autumn Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

8.Na3 Qe4 9.Ne2 Bg4 (better is 9...Nf6+=) 10.f3+/- Bf3 11.gf3 Qf3 12.Rg1 e5 13.Bg2 Qh5 14.Qa4 e4 (better is 14...Qh4!? 15.Kd1 e4+-) 15.Be4 Nge7 16.Bf4 Qh4 17.Kd2 (17.Kd1 f5 18.Nb5 fe4 19.Nc7 Kd7 20.Na8 Qh3+-) 17...0-0-0? (17...g6+-) 18.Nb5 a6 19.Na7 Kd7 20.Nc6 Nc6 (20...bc6 21.Qa6 Qh3 22.Qb7 Ke8 23.Bc7+-) 21.Bc6 (better is 21.Rgb1 Be7+-) 21...bc6 22.Bg5 (22.Bg5 Qh2 23.Bd8 Kd8 24.Qc6+-) 1–0. Vea,Odin Blikra (2145) – Menon,Shanker (2190), Gibraltar Challengers Week2, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

8.Na3 Qa5

9.Bb2 Nf6 10.Nb5 Qb6 11.Qb3 Rb8 (11...Nd7 12.c4 a6 13.Qg3=) 12.Nf3 Bg4 13.c4 e6 14.c5 Qd8 15.Na7 Be7 16.Ne5 0-0 17.Qc4 Na7 18.Ra7 (worse 18.Ng4 Nc6 (18...Ng4?! 19.Ra7 Bh4 20.g3+=) 19.Ne3 b6=+) 18...Bf5 19.Be2 Nd5 20.0-0 Nf4 21.Re1 f6 22.Nf3 Qc7 (22...b6 23.Bc1 Nd5 24.Nh4+-) 23.Bf1 (23.Bc1 Ne2 24.Qe2+-) 23...b5 (23...Ra8 24.Ra8 Ra8 25.Nh4+-) 24.Qa2 (24.Rc7 bc4 25.Bc1 Nd5+-) 24...Rb7 25.Ra6 (25.Rb7 Qb7 26.Qb3 Bg4+-) 25...Bg4+= 26.Bc1 Nd5 27.Bd2 Qd8 (27...Qc8!?+=) 28.h3+- (worse 28.Ree6 Be6 29.Re6 Kh8+=) 28...Bh5 (28...Bf3!? 29.Rae6 Nc3 30.Bc3 Bd5+-) 29.Ba5+- (29.Ree6?! Bf7+=) 29...Nc7 30.Bb5! Rb5 (30...Rb5 31.Bc7 Combination; 30...Nb5 31.Rb6 Double attack (31.Bd8 Pinning; 31.Bd8 Deflection; 31.Rb6 Decoy)) 31.Bc7 Qc7 32.Qe6 Bf7 33.Qe7 Rb7 34.Qc7 Rc7 35.Rd6 1–0. juliangon – marekt, ChessWorld.net, 2016. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Qa5)

9.Nc2 Qc3 10.Bd2 Qb3 11.Rb1 Qe6 12.Ne3 Nd4 13.Bc4 Qg6 14.Nf3 Nf3 15.Qf3 Qb1 16.Ke2 Qb2 (16...Qh1 17.Bb5 Bd7 18.Bd7 Kd8 19.Ba5 b6 20.Qa8 Kd7 21.Qa7 Ke8 22.Qb8 Kd7 23.Qb7 Kd6 24.Bb4 Ke6 25.Qd5 Kf6 26.Qf5) 17.Qf7 Kd7 18.Be6 Kc6 19.Qf3 Kd6 20.Bg8 (better is 20.Nc4!? Ke6 21.Nb2+=) 20...Qb5-/+ 21.Bc4 Qc5 22.Bb4 Qb4 23.Rd1 Kc5 24.Qd5 Kb6 25.Qd8 Kc6 26.f3?? (better is 26.Qe8 Kc5 27.Qh5 e5 28.Qe5 Kc6 29.Qe4 Kc5 30.Qe5 Kc6 31.Qe4 Kc5 32.Qe5=) 26...e6-+ 27.Bd3 Bc5?? (27...Qb2 28.Kf1 g6-/+) 28.Qh8= Qb2 29.Rd2 Qe5 30.Be4 Kc7 31.Ng4 Qc3 32.Rc2 Qd4 33.Qf8 Kb6-/+ 34.Rc5 Qc5 35.Qd8 Ka6 36.Nf2 h6 37.Bd3 b5 38.Ne4 Qe5 39.f4 Bb7 40.Qe7 Qb2 41.Ke3 Qc1 42.Ke2 Rc8 43.Bb5? Kb6 44.Bd3 Rc2! 45.Bc2 Qc2 46.Nd2 Ba6 47.Kf3 Qd3 48.Kg4 Qd2 49.Qe6 Ka5 50.Qe5 Kb4 51.Qe7 Kb3 52.Kg3 g5 53.Qf7 Bc4 54.Qb7 Kc3 55.Qg7 Kc2 56.Qh6 Qf4 57.Kh3 Be6! (57...Be6 58.Qe6 Qh4) 0–1. Twitchell,Neville H (1950) – MacGregor,Colin A (1900), SCO/WLeague2 (SCO), 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

9.Nc2 Qc3 10.Bd2 Qb3 11.Rb1 Qe6 12.Ne3 Nf6 13.Bc4 Qe4 14.Nf3 e6 (14...Nd4 15.Nd4 e6 16.Nb5+/-) 15.Bc3 Be7 16.0-0 0-0 17.Re1 Qf4 18.d5 ed5 19.Bf6 Bf6 (19...gf6?! 20.Nd5 Qc4 21.Rc1-/+; 19...Qf6? 20.Nd5 Qg6 21.Ne7 Ne7 22.Re7+-) 20.Bd5 a6 21.Qb3 Kh8 22.Qb6 Bd8 23.Qb3 a5 24.Qb5 Qc7 25.Rec1 a4 26.Ra1 Ra5 27.Qc4 Be7 28.Ra4 (28.Rd1 Bd7-+) 28...b5 29.Qc6 Qc6 30.Rc6 ba4 31.Bf7 Bb7 32.Rc7 Rf7 33.Rb7 a3 (33...a3 34.Kf1 a2-+) 0–1. Braun,Ingram H (2285) – Percze,Raymond (2240), CFriend WC–2008–S–00003, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

9.Bd2 a6 10.Bd3+= Nf6 11.Nf3 Qc7 12.0-0 Bg4 13.h3 Bh5 14.Nc4 e6 15.Qe2 Be7 16.Rfb1 0-0 17.Nce5 Bd6 18.g4 Bg6 19.Ng6 hg6 20.c4 Rfd8 21.g5 Nh5 22.Qe4 Bf4 23.Bc3 b6 24.h4 Bd6 25.Bf1 a5 26.Rb5 a4 27.c5 bc5 28.dc5 Bf8 29.Ra4 Ra4 30.Qa4 Rd5 31.Qc4 Rf5 32.Bg2 Nf4 33.Kf1 Qc8 34.Bb2 Ng2 35.Kg2 e5 36.Qe2 Qa6 37.Ng1? Qa4-+ 38.Nh3 Qh4 39.Rb6 Nd4 40.Bd4 Qd4 41.Rb8 Qc5 42.Qd3 Qc6 43.f3 Qc5 44.Qd8 Qa3 45.Qd5 Kh7 46.Qe4 Qd6 47.Re8 Qa3 ½–½. Rothhaar,Udo (2175) – Bauer,Hermann (2320), RSS4D adv–34, 2007.

9.Bd2 Qd8 10.Nb5 Nf6 11.Bf4 Nd5 12.Qf3 Nf4 13.Qf4 e5 14.de5 Bc5 15.Bc4 0-0 16.Nf3 a6 17.Nbd4 Nd4 18.cd4 Bb4 19.Ke2 h6 20.g4 (20.Rhb1 Bc3 21.Ra3 Ba5+=) 20...Be6 21.d5 Bd7 22.Qe4 Qb6 23.g5 Rae8 24.Bd3 g6 25.Rab1 a5 26.gh6 Bf5 27.Qe3 (27.Qc4 Qf6 28.Kd1 Re5 29.Ne5 Qe5 30.Bf5 Qf5=) 27...Bd3 (better is 27...Qe3!? 28.Ke3 Bg4 29.Rb4 ab4=) 28.Qd3+/- Qc7 29.Rhg1 Bd6? (better is 29...Re5!? 30.Ne5 Qe5 31.Kf3 Rc8+=) 30.e6+/- b6?? (better is 30...Bf4+/-) 31.Rbc1 Bc5 (31...Qd8 32.Rg6 Kh8 33.Qd4 f6+-) 32.Qc3 f6 33.Rg6 Kh8 (33...Kh7 34.Rg7 Qg7 35.hg7 Rf7+-) 34.Rf6 Kh7 (34...Re6 35.Re6 Bd4 36.Qd4 Kg8 37.Rc7 Rf7 38.Rc8 Kh7 39.Ng5) 35.Ng5 (35.Ng5 Kg8 36.Rg6 Qg7 37.Qg7) 1–0. Pustovoitova,Daria (2285) – Kotlyar,Kirill (2140), RUS–ch U16 Dagomys, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

9.Bd2 e6 10.Nb5 Qd8 11.Bf4 e5 12.de5 Be6 13.Nf3 a6 14.Qd8 Rd8 15.Nc7 Kd7 16.Ne6 fe6 (16...Ke6 17.Rb1 Na5 18.Nd4 Kd7 19.Rd1+/-) 17.Ng5+- Nh6 (17...Be7 18.0-0-0 Ke8 19.Ne6 Ba3 20.Kc2 Rd1 21.Kd1+-) 18.Bc4 Re8 (18...Ke7 19.Ne6 Rc8 20.Ke2+- (20.Nf8?! Rhf8 21.Bg5 Ke8+/-)) 19.Rd1 (19.0-0-0 Ke7 20.Rd6 Rb8+-) 19...Kc8 (19...Kc7 20.Ne6 Kc8 21.0-0+- (21.Nf8?! Rhf8 22.Bh6 Ne5+=)) 20.Be6 (20.Ne6?! Ng4+=) 20...Kb8 21.Bd7 Re7 (21...Re5 22.Kf1 (worse 22.Be5 Ne5 23.Ke2 Be7+-) 22...Ka7 23.Bc6 Rg5 24.Bg5 bc6 25.Rd7 Kb6 26.Ke2+-) 22.e6 Ka8 (22...Ka7 23.Bd6 Na5 24.Ne4+-) 23.0-0 (better 23.Bc6 bc6 24.Rd8 Ka7+-) 23...Nf5 (23...Nb8+-) 24.Bc6 bc6 (24...Ka7 25.Rd8 a5+-) 25.Rd8 Kb7 (25...Ka7 26.Bb8 Ka8 27.Bd6 Ka7 28.Bc5 Kb7 29.Rb1 Kc7 30.Rbb8 Re6 31.Ne6) 26.Rb1 Ka7 27.Bb8 Ka8 28.Bd6 Ka7 29.Bc5 1-0. Nikanova,E (2110) - Cieply,Krzysztof, 20th Raciborz Open, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

9.d5 Qc3-/+ 10.Bd2 Qe5 11.Be3 ½–½. Warzecha,Helmut (2275) – Pirs,Matjaz (2445), RSS7E pro–121, 2010.

9.d5 Qc3 10.Bd2 Qe5 11.Be3 Qc3 12.Bd2 Qe5 13.Be3 ½–½. Andersen,Jens (2105) – Gonzalez,Bolivar Ribeiro (2280), WCCC29SF15(WS), 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Qa5)

9.Bd2 Nf6

10.Nb5 Qd8 11.Bf4 Nd5 12.Qf3 Be6 13.c4 Nf4 14.Qf4 g5 15.Nc7 (better is 15.Qg3!? Nd4 16.0-0-0=) 15...Kd7-/+ 16.Ne6 gf4 (worse is 16...fe6 17.Qg5 Kc8 18.Nf3 Nd4 19.Qe5 Nc2 20.Ke2 Na1 21.Qh8+=) 17.Nd8 Kd8 (17...Rd8?! 18.d5 Nb4 19.Ra7=) 18.d5 Ne5 19.Be2 Bg7 20.Ra4 Kc7 21.Nf3 Nd7 22.0-0 Nc5 23.Ra3 Bb2 24.Ra2 Bf6 25.Rb1 a5 26.Kf1 a4 27.Ra3 e5 28.Rb4 b6 29.d6 Kc6 30.Nd2 e4 31.Bg4? h5 32.Bf5 Rhe8-+ 33.f3 e3 34.Ne4 Bd4 35.Ke2 Re5 36.Bh7? h4 (36...h4 37.Nc5 Bc5 38.Rba4 Ra4 39.Ra4 Rg5 40.Be4 Kd6-+) 0–1. Lach,Bernhard – Windhausen,Georg, BdF JZ1–1 Jub, 1999. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Qa5)

10.Nc4 Qc7 11.Bd3 Be6 12.Nf3 g6 13.0-0 Bg7 14.Qc1 0-0 15.Re1 b5 16.Bf4 Qd8 17.Nce5 Ne5 18.Ne5 Qb6 19.Qa3 Nd5 20.Bd2 a5 21.Rab1 b4 (21...b4 22.Qa1 Rfb8=+). Lopez de Jeronimo,Francisco Jose (1960) – Mueller,Achim (2290), WS/M/043 ICCF, 2006.

10.Nc4 Qc7 11.Bd3 g6 12.Ne2 Bg7 13.0-0 Be6 14.Bf4 Qc8 15.Ne3 0-0 16.Bg5 Bd7 17.Qb3 e5 18.d5 Ne7 19.Rfb1 b6 20.Ng3 Kh8 21.Rd1 Neg8 22.Ba6 Qb8 23.Nc4 Nd5?? 24.Rd5+- Be6 25.Rdd1 f5 26.Qb4 h6 27.Bc1 Rd8 28.Ba3 Qc7 29.Nd6 Nf6 30.Nb5 Qf7 31.Qe7 Qg8? 32.Nc7 Rd1 (32...Rd1 33.Rd1 Nd5 34.Rd5 Bd5+-) 1–0. Lopez de Jeronimo,FJ (1960) – Sukhorukov,AE, WS/M/043 ICCF, 2006.

10.Bd3 a6 11.Ne2 Qd8 12.0-0 e5 13.Qa4 Be7 14.Rfb1 0-0 15.Be3 e4 16.Bc2 Na5 17.Nc4 Nc4 18.Qc4 Be6 19.Qa4 b5 20.Qa5 Qa5 21.Ra5 Bd5 22.Bg5 Bd8 23.Ra3 Re8 24.Ng3 h6 25.Bd2 Be7 26.Raa1 Bd6 27.Nf5 Bc7 28.Ne3 Be6 29.h3 Bf4 30.Kf1 Be3 31.Be3 Bc4 32.Ke1 Nd5 33.Ra3 f5 34.Bb3 Bb3 35.Rab3 Rac8 36.Bd2 f4 37.Ke2 g5 38.Ra1 Re6 39.Rba3 Rcc6 0–1. Jensen,Soeren (1870) – Martucci,Massimo, IECG, 2006.

10.Nf3 =.

8.Na3 a6

9.Nb5 Qd7 10.d5 Na7 11.Qb3 Kd8?? (better 11...Nf6+=) 12.Na7+- Ra7 13.Be3 (13.Nf3 Ra8 14.Be3 f6+-) 13...Ra8?! (13...b5 14.Ba7 Qa7 15.Bb5+-) 14.Bb6 (14.Nf3 f6 15.Nd4 Nh6 16.Ne6 Ke8+-) 14...Ke8 15.Bb5!! ab5 (15...ab5 16.Ra5 Double attack (16.Ra8 Pinning; 16.Ra8 Deflection; 16.Ra5 Decoy); 15...Qb5 16.Qb5 Combination) 16.Ra8 Nf6 (16...e5 17.de6! fe6+-) 17.Qb5!! (17.Qb5 e6 18.Rc8 Ke7 19.Bc5 Qd6 20.Qb6 Ne4 21.Qd8) 1-0. Strebkov,Vladimir (1890) - Nugmonov,Dilshod, 6th Sochi Amateur Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

9.Nb5 Kd8= 10.Nf3 Rb8 11.Na3 Bg4 12.Be2 e6 13.0-0+= Nf6 14.Bf4 Rc8 15.c4 Qf5 16.Bg3 Ke8 17.Re1 Be7 18.d5 ed5+= 19.cd5 Qd5=+ 20.Qa4 Kf8 21.Nc2=+ g6 22.Ne3= Qh5 23.h3 Bf3 24.Bf3 Qc5 25.Rac1 Qb4 26.Qa1 Qa3 27.Qb1 Qb4 28.Qa2 Kg7 29.Rb1 Qa5 30.Qb2 Rhd8?? 31.Qb7+- (31.Qb7 Nd4 32.Qe7 Nf3 33.gf3+-) 1–0. Shchukin,Igor – Rudovskya,Regina, Stepchev Memorial, Kiev UKR, 2004.

9.Nb5 Qd8 10.d5 Na5 11.Na3 (11.Nd4!? Qd5 12.Ngf3=+) 11...e6 12.de6? (better 12.Nc4!? Nc4 13.Bc4-/+) 12...Qd1-+ 13.Kd1 Be6 14.Nc2 Nc4 (better 14...0-0-0 15.Nd4 Nb3-+) 15.Nd4=+ Rc8 16.Ngf3 Bd5 17.Be2 (17.Bd3 f6=+) 17...Nf6 (17...Nd6 18.Re1 Be7 19.Ba3-/+) 18.Re1 Kd8 19.Bg5 Bc5 20.Bc4 Bc4 21.Re5 (21.Rb1 b6=+) 21...Re8-/+ 22.Re8 (22.Bf6 gf6 23.Rf5 Be7-/+) 22...Ke8-+ 23.Bf6 gf6 24.Kc2 Bd5 25.Re1 (25.Kd3 Rd8-/+) 25...Kf8 (25...Kd7 26.Rd1 Kc7 27.g3-+) 26.Kd3 Bf3 (26...Re8 27.Ra1-+) 27.gf3-/+ Bd6 (27...a5 28.h3-/+) 28.h4 Be5 29.Rb1 Rc7 30.Ne2 Ke7 31.f4 Bd6 32.f5 a5 (32...Rd7 33.Nd4-/+) 33.c4=+ Bb4 (33...Rd7 34.Nc3=+) 34.Nf4 Rd7 35.Ke4 Kd6 36.Nd5 (36.Nd3!?=+) 36...Kc5-/+ 37.Nf6 (better 37.Rg1!?-/+) 37...Rd4-+ 38.Ke5 (38.Kf3 Rh4 (38...Rc4?! 39.h5-/+) 39.Ng4 Kc4 40.Ne5 Kd5 41.Nf7 a4-+) 38...Rh4 39.Ne4 Kc4 40.Rd1?? (40.f3-+) 40...f6! 41.Nf6 (41.Nf6; 41.Kf6 Bc3 Double attack (41...Re4 Deflection)) 41...Bc3 42.Ke6 Rh6 43.Rc1 (43.Rd7 Rf6 44.Ke7 Rf5 45.Rb7-+) 43...Rf6 44.Ke7 Rf5 0–1. Urbanaites,Elvira – Krylov,Vadim, Kineshma Chess, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 a6)

9.Nb5 Qd8 10.d5 Na7 (better is 10...Na5!? 11.Na3 e6-/+) 11.Na7= Ra7 12.Be3 Ra8 13.Nf3 Nf6 14.Bb5 ½–½. Urbanaites,Elvira (1840) – Kalashnikova,Larisa (2025), RUS–ch Seniors (Women), 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 a6)

9.Nb5 Qd8 10.Bf4 e5 11.Qe2?? Be6-+ 12.d5 ab5 13.Rd1 (13.Ra8 Qa8 14.dc6 ef4 15.cb7 Qb7 16.Qb5 Qb5 17.Bb5 Kd8-+) 13...ef4 (better 13...Bd5 14.Be5 Nge7-+) 14.Qb5 (14.dc6 Qc7 15.cb7 Ra5-+) 14...Qa5 (better 14...Qf6 15.Ne2 Ra5 16.Qc4-+) 15.dc6 (15.Qa5 Ra5 16.de6 fe6 17.Rb1-+) 15…Qc3 (15...Qc3 16.Rd2 Ra1 17.Ke2 Bc4 18.Qc4 Qc4 19.Kf3 Qc6 20.Kg4 Nh6 21.Kf4 Ra4 22.Bc4 Qc4 23.Rd4 Qd4 24.Kg3 Qg4) 0–1. Alpatsky,Sergey (1890) – Pishchalnikov,Roman A (1640), 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 a6)

9.Nb5 Qd8 10.Bf4 e5 11.Qe2?? Be6-+ 12.Be5 ab5 13.Ra8 Qa8 14.Qb5 Qa5 15.Qa5 Na5 16.Nf3 Bc4 17.Bc7 Bf1 18.Rf1 Nc4 19.Kd1 f6 20.Re1 Kd7 21.Bf4 Bd6 22.Bc1 Ne7 23.Kc2 Rc8 24.Kd3 Nd5 25.g3 Ba3 26.Nd2 Nd2 27.Bd2 b5 28.Ra1 Bb2 29.Ra5 Bc3 30.Rb5 Bd2 31.Rd5 Ke6 32.Rh5 Bh6 33.f4 Rd8 34.Ke4 Kf7 35.Rb5 Rd7 36.Rb8 g6 37.Rh8 f5 38.Ke3 Ke6 39.Re8 Kd5 40.Re5 Kc4 41.Rc5 Kb4 42.Rc8 Bg7 43.d5 Kb5 44.h3 Kb6 45.Rc6 Kb7 46.Re6 Kc7 47.Ra6 Kd8 48.d6 Ke8 49.g4 Kf7 50.gf5 gf5 51.Kd3 Ke6 52.Kc4 Rd6 53.Ra7 Rd7 54.Ra6 Kf7 55.Kc5 Bf8 56.Kc4 Bd6 57.Ra5 Kg6 58.Ra6 Kh5 59.Kd5 Bf4 60.Ke6 Rd6! (60...Rd6 61.Rd6 Bd6 62.Kf5 Bc5-+) 0–1. Brylski,Pawel (2110) – Golabiewski,Adam (1795), Mistrzostwa Polski Nauczycieli, 2008.

9.Nb5= Qd8 10.Bf4 e5 11.de5 Be6 12.Nd6 Bd6 13.Qd6 Nge7 14.Nf3 Qd6 15.ed6 Ng6 16.Bg3 Kd7 17.Bd3 Rhe8 18.0-0-0 Bg4 19.Bg6 hg6=+ 20.h3 Bf3-/+ 21.gf3 b5 22.Kc2 Re2 23.Rd2 Rd2-/+ 24.Kd2 Na5 25.Kc2 Nc4 26.Ra1 a5 27.h4 a4 28.Bf4 Ra6 29.Rd1 a3 0–1. gregorgysi (2245) – agostinhoarruda (2475), net–chess.com, 2010.

9.Nc4 Qd8 10.d5 Nb8 11.Ne5 Qc7 12.Ngf3+= Nd7 (12...f6 13.Nc4 b5 14.Ne3+/-) 13.Qd4+/- f6 (13...Ngf6 14.Bb5 Qb8 15.Nd7 Bd7 16.Bd7 Nd7 17.0-0+/-) 14.Nd7 (14.Nc4 Nc5 15.Qe3+=) 14...Bd7 15.Bf4 Qc8 16.Bd3 e5 17.de6 Be6 18.0-0 Bc5 19.Qa4 Kf7 20.Rfe1 Bd5 (20...Ne7 21.Nd4 Bd4 22.cd4=) 21.Be4 (21.Nd4 Ne7 22.Qd1+=) 21...Be4 (21...Ne7!? 22.Bd5 Nd5+-) 22.Re4+/- Qc6 (22...g5 23.Be3 b5 24.Qb3 Kg7+-) 23.Qb3+- Kf8 24.Re6 Qd7 25.Rd1 Qf7 (better is 25...Qb5 26.Qa2 Re8+-) 26.Bd6 Bd6 27.Rdd6 h5? (27...Rc8+-) 28.Qb6 Ne7 29.Rd7 Re8 30.Qd6 (30.Qd6 h4 31.Rb7+-) 1–0. Lopez de Jeronimo,FJ (2000) – Bonay Toscas,S (2005), AEAC W/C/013, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

9.Nc4 Qd8 10.d5 Nb8 11.Ne5 Nf6 12.Bb5 Bd7 13.Bc4 g6 14.Ngf3 Bg7=+ 15.0-0 Ne4 16.Nf7?? Kf7-+ 17.d6 Ke8 18.Re1 Bf5 19.Ba3 Nc6?? 20.Qd5-/+ Bc3 21.Re4? Ba1-+ 22.g4 Qd7 23.Re1? Bc3 24.Re3 Ba1 25.Qd1?? Bf6-+ 26.gf5 Rd8 27.Qd5 Rf8-+ 28.Re6 1–0. Vlasveld,W. Martin (2435) – Jaederholm,Bo (2495), Swiss Friends white, 2007.

9.Nc4 e6 10.Nf3 (better is 10.Nb6 Qd8 11.Na8+-) 10...Qd8+= 11.Nfe5 Ne5 12.Ne5 Nf6 13.Bg5 (13.Bd3 Qc7 14.0-0 Qc3+=) 13...Be7 14.Bb5 (14.Bd3 Nd7 15.Be7 Qe7=) 14...Nd7 (14...Bd7 15.Bf6 Bb5 16.Be7 (16.Bg7? Rg8 17.Bh6 Qd5-+) 16...Qe7 17.c4+=) 15.Qf3 (15.Bd7 Bd7 16.Qf3 Bf6+=) 15...0-0 16.Be7 (better is 16.Nd7!? Bd7 A) 17.Qb7?? A1) 17...Bg5?! 18.Bd7 Rb8 19.Qa7-/+; A2) 17...Bb5?! 18.Be7 (18.Qe7? Qd5 19.f3 Rac8-+) 18...Rb8 19.Bd8 Rb7 20.Ba5=; A3) 17...ab5 18.Ra8 Qa8 19.Qa8 Ra8 20.Be7 Ra1 21.Ke2 Rh1-+; B) 17.Be7 Qe7 18.Qb7+=) 16...Ne5-/+ 17.de5 Qe7 18.Bd3 Qc5 19.Qe4 Qc3 20.Ke2 Qb2 21.Bc2 f5 (21...g6 22.Rab1 Qc3 23.Rhc1-/+) 22.ef6 g6 (22...Rf6?! 23.Qh7 Kf7 24.Qh5 g6 25.Qh7 Kf8 26.Rhc1=) 23.f7 (23.Rhd1!?-/+) 23...Rf7-+ 24.Rhf1?? (better is 24.Rhb1 Qc3 25.Kf1-+) 24...Bd7 25.Rab1 (25.f3 Rc8 26.Rfc1 Bc6-+) 25...Bb5 26.Ke3 Qc3 27.Bd3 Qc5 (better is 27...Rd8 28.Rb5 ab5 29.f3-+) 28.Qd4 (28.Ke2 Rd8 29.Bb5-+) 28...Qd4 29.Kd4 Rd8 (29...Rd8 30.Kc3 Rd3 31.Kb2 Rd5-+) 0–1. Matskevich,Ivan (1945) – Radzhabov,Rodion (1990), Nizhny Tagil RUS, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 a6)

8.Na3 Bd7

9.Nc4 e6 10.Nb6 Qe4 11.Be3 Rd8 12.Nd7 Rd7 13.Nf3 Nf6 14.Bd3 Qd5 15.0-0 Be7 16.c4 Qd6 17.d5 (better is 17.c5!? Qd5 18.Bb5+=) 17...ed5-/+ 18.Bf5 Rd8 19.c5 Qb8 20.Qa4 0-0 21.Qh4 g6 22.Bg5 Ne4 (22...Bc5 23.Bf6 Rfe8 24.Ng5+/- (24.Bd8 Qd8 25.Rae1 Re1 26.Qd8 Nd8 27.Re1 Nc6+-)) 23.Be7 Ne7 24.Be4 de4 25.Ng5 h5 26.Ne4 Nd5 27.g3 b6 28.Rfd1 Qe5 29.Ra7 bc5 30.Rd5 (better is 30.Nc5 Rfe8 31.h3=) 30...Rd5-/+ 31.Nf6 Kg7 32.Nd5 Qd5 33.Qe7 Rb8 34.Ra1 c4 35.Rc1 Rb2 36.Qe3 Rb3 37.Qf4 Rd3 0–1. Damia,Angelo (2260) – Bagaturov,Giorgi (2470), San Nicola Arcella op 1st, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nc4 e6 10.Nf3 Be7 (10...Rb8 11.Ne3 Qd6 12.Bb5+=) 11.Bd3 (11.Nb6 Qe4 12.Be3 Rd8+-) 11...Rd8 12.Bf4 Bc8 (12...Nf6!?+=) 13.Ne3 (13.Bc7 Nf6 14.Bd8 Bd8+-) 13...Qd7+- 14.Bb5 Bd6 15.Bd6 (15.Bc6 Qc6 16.Bd6 Rd6+- (16...Qc3? 17.Kf1+-)) 15...Qd6 16.Ra7 Nge7 17.0-0 0-0 18.Ra2 (18.Ra4 e5+-) 18...Nd5 (18...e5 19.Ra4+=) 19.Qa1 (19.Qb3 Bd7 20.Bd3 b5+-) 19...Bd7 20.Rd1 (better 20.Bd3!?+=) 20...Ncb4= 21.cb4 Bb5 22.Ra5? (better 22.Nd5!? ed5 23.Re1=) 22...Be2-/+ (22...Qb4?? 23.Rb1 Qc3 24.Rbb5 Qa1 25.Ra1+-) 23.Rb1 (23.Re1 Bf3 24.gf3 Nb4-/+) 23...Bf3-+ 24.gf3 Nf4 25.Kf1 (25.Re1 Qb6-+) 25...Qc6 (25...Ng6 26.Ng4-+) 26.d5 Nd5 27.Ng4? (better 27.Qe5-+) 27...Qc4 (27...Nf4 28.Ne5 Qc2 29.Kg1 Nh3 30.Kh1 Nf2 31.Kg1-+) 28.Kg1 Qf4 (28...Nb4 29.Ra4 Qe2 30.Rab4 Qf3 31.Rd4+=) 29.b5?! (29.Ra3 Rc8-+) 29...Qf3 (29...h5!? 30.Ne5 Qf5 31.Ra3-+) 30.Ra3 Qf4 (30...Qg4?! 31.Rg3 Qg3 32.hg3=+) 31.Rg3 f6 32.Re1 h5 33.Ne3 Ne3 34.Ree3 (34.fe3 Qe4 35.Qb1 Qe5-+) 34...h4 35.Rg2 Rd2 36.h3 (36.Qf1 Qf5-+) 36...Rfd8 (36...Rf2 37.Qe1 Rg2 38.Kg2-+) 37.Re1 Qf3 (37...Qf3 38.Qa4 R2d4-+ (worse 38...Qh3 39.Qg4 Qg4 40.Rg4-+)) 0–1. Pechac,Jergus – Lee,Qing Aun, Chess Olympiad U16, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nc4 e6 10.Nh3 e5 (10...Rc8 11.Nf4 Qf5 12.Bd3=) 11.Ne3 (11.Nb6! Qe4 12.Qe2 Qe2 13.Be2=) 11...Qd6=+ 12.d5 Nd8 13.Nc4 Qb8 (13...Qc7 14.f4=+) 14.f4= e4 15.Ne5 Bd6?? (better 15...Nf6=) 16.Nd7+- Kd7 (16...Qc7 17.Bb5 Nc6 18.Ne5 Be5 19.fe5+- (19.dc6?! Bc3 20.Bd2 Rd8 21.Bc3 Rd1 22.Rd1 bc6+-)) 17.Qg4 Ke7 (17...f5 18.Qg7 Nf7+-) 18.Nf2 (better 18.Qg7 Nf6 19.Qh8+-) 18...Nf6= 19.Qh4 (19.Qg7 Rg8 20.Qh6 Qc7=) 19...Kf8=+ 20.Be2 (20.c4 Bb4 21.Kd1 Qc7-/+) 20...e3 (20...Qc7 21.c4 Nd5 22.Ne4 Nf4 23.Bf4 Bf4 24.0-0-/+) 21.Nd3 (21.Be3 Nd5 22.Nd1 Qc7-/+) 21...Nd5 22.c4 (22.0-0 Qc7-/+) 22...Nb4 (better 22...Nf4!? 23.Nf4 Bf4-/+) 23.0-0-/+ Nc2 (better 23...Nd3!? 24.Bd3 Bc5-/+) 24.Ra2= Nd4 25.f5 (25.Be3 N8c6=) 25...Ne2 (25...N8c6!?=) 26.Re2+= h6 (26...b5 27.f6 Ne6 28.c5+-) 27.Re3 (27.Be3 Nc6+=) 27...Nc6 (27...Qc7 28.Rfe1 Nc6 29.Bb2+=) 28.c5 (28.Bb2 b6+=) 28...Be7= 29.Re7 Ne7 30.f6 gf6 31.Qf6 (worse 31.Rf6 Qc7 32.Bf4 Qd8=) 31...Rh7 32.Ne5 (better 32.Bh6 Kg8 33.Ne5 (33.Qe7?! Rh6 34.Qf7 Kh8+=) 33...Rh6 34.Qf7 Kh8 35.Qe7+-) 32...Qe8?? (better 32...Qc7=) 33.Qd6 (better 33.Ng6! Ng6 34.Qg6 Rh8+-) 33...Kg8 34.Nd7 Qd8 (34...Nf5 35.Nf6 Kh8 36.Qd3+- (worse 36.Ne8 Nd6 37.Bb2 f6 38.Rf6 Kg8 39.Nd6 a5+-)) 35.Bb2 (35.Bb2 Ng6 36.Nf6 Qf6 37.Rf6+-) 1–0. Dobrov,Vladimir (2535) – Blom,Vincent (2180), 3. Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nc4 Nf6 10.Nf3 Rd8 (10...Bg4 11.Ne3 Bf3 12.Nd5 (worse is 12.gf3 Qh5=; worse is 12.Qf3 Qf3 13.gf3 e6+=) 12...Bd1 13.Nc7 Kd7 14.Na8+/-) 11.Ne3 Qd6 12.d5 Ne5 13.Ra7 Nf3 14.gf3 Qb6 15.Ra2 (15.Qd4 Qd4 16.cd4 e6=) 15...e6+= 16.Nc4 Qc5 17.d6 b5 18.Be3 Qc6 19.Nb6 (better is 19.Na3!? Qc3 20.Qd2 Qd2 21.Rd2-/+) 19...Bd6-+ 20.Rd2 Be5 21.c4 Bc3 22.cb5 Bd2 (22...Qb7 23.Rg1 0-0 24.Qe2-+) 23.Qd2 Qf3 24.Rg1 0-0 25.Be2 Qh3 (25...Qf5 26.Qd3 Rfe8 27.Rg3-+) 26.Bh6?? (better is 26.Bd4!? Ne8 27.Bg7 Ng7 28.Rg7 Kg7 29.Qg5 Kh8 30.Qf6 Kg8 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5 Kh8=) 26...Qh2 (26...g6 27.Bf8 Qh2 28.Qg5-+) 27.Qg5 (better is 27.Rg7!? Kh8 28.Rg3-/+) 27...g6-+ 28.Bf8 Kf8 (28...Ne4!? 29.Rg2 Qc7 30.Qe3-+) 29.Rg3-/+ Qh1 (better is 29...Kg7 30.Bf3 Qh6 31.Qh6 Kh6-/+) 30.Rg1= Qh2 31.Rg3 Qh1 (better is 31...Kg7!? 32.Bf3 Qh6 33.Qh6 Kh6 34.Nd7 Nd7-+ (34...Rd7?! 35.b6+=)) 32.Rg1= Qh2 33.Rg3 ½–½. Sale,S (2390) – Kinez,I (2055), Zagreb Open, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nf3 Rc8 10.Bc4+= Qe4 11.Be3 e6 12.0-0 Ba3 13.Ra3 Nge7 14.Bd3 Qg4 15.Qb1 b6 16.c4 Nf5? 17.d5+- Nfd4? 18.Bd4 Nd4 19.Ne5 Ne2 20.Be2 Qe2 21.Nd7 Rc7 22.de6 fe6 23.Qb5 Ke7 24.Re3 Qc4 25.Qg5 (25.Qg5 Kd7 26.Qg7 Kc6 27.Qh8+-) 1–0. Kochetkova,Julia (2320) – Rybenko,Ksenya (2235), 8th ch–Euro w, Dresden GER, 2007.

9.Nf3 Rc8 10.Be2 e6 11.0-0 Nf6 12.c4 Qf5 13.Rb1 Nb4 (13...Bb4 14.Nc2 a5 15.Nh4+/-) 14.Bd2 (14.Ne5 h6+=) 14...a5 (14...Nd3!?=) 15.c5+= b6 16.cb6 Be7 (16...Nfd5!? 17.Nc4 Rb8+=) 17.Ne5+/- Qe4 18.Nd7 (18.Bg5 Nbd5 19.Bf6 Nf6+/-) 18...Nd7 19.Bb5 Qd5 (19...Nc6!?+/-) 20.Qa4+- Rd8 (20...Qd4?? 21.Bb4 ab4 22.Rfd1+-) 21.Bf4 (worse is 21.Bb4 Bb4 22.Bc6 Qg5+- (22...Qd4? 23.Nc2 Qb6 24.Nb4 ab4 25.Rb4+-); 21.Qa5?! Ra8 22.Bd7 Kd7 23.Qb5 Qb5 24.Nb5 Nd5+/-) 21...Bd6? (better is 21...Na2 22.Bd7 Qd7+-) 22.Bd6 (22.Qa5?! Bf4 23.Qb4 Bd6+/-) 22...Qd6 23.Nc4 (23.Nc4 Qd5 24.Na5+- (24.Qa5?! Nc6 25.Qa3 Nd4 26.Nd6 Ke7 27.Nf5 Kf6 28.Nd4 Qd4+-); 23.Qa5?! Nc6 24.Bc6 Qc6+-) 1–0. Kett,T (2240) – Varley,P (2230), Cardiff WLS, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nf3 Qe4 10.Be3 e6 11.Bd3 Qg4 12.h3 Qh5 13.Nb5 f5 (13...Nd4 14.Nc7 Kd8 15.Na8 Nf3 16.Qf3 Qf3 17.gf3 Bc6+-) 14.Nc7 Kd8 15.Na8 Nf6 16.Ne5 (better is 16.Qb3!? Bd6 17.Qb7 Ke7+-) 16...Qd1 17.Kd1 Ne5 18.de5 Nd5 19.Bd4 b6 (19...a6+-) 20.Ra7 Bc5 21.Bc5 bc5 22.Kc2 1–0. Roest,Bjorn – Jacobsen,Mads Holger (1785), Gausdal op–B, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bd7)

9.Nf3 e5 10.Bc4 Qe4 11.Be3 ed4 12.Bf7 Kd8 13.Nd4 (13.cd4!? Nh6 14.Bc4=+) 13...Qg2=+ 14.Nc6 (14.Rf1 A) 14...Qh2 15.Ne6 Ke7 16.Bf4 (worse 16.Nf8 Rf8 17.Bc5 Kf7 18.Qd7 Nge7-/+) 16...Be6 17.Be6+-; B) 14...Nd4 15.Qd4 Nf6=+ (15...Qh2? 16.Bg5 Be7 17.Rd1+-)) 14...Qc6 (14...bc6 15.Rf1 Qh2 16.Nc4=) 15.0-0=+ Ba3 (15...Nf6 16.Nc4 b5 17.Ne5=) 16.Ra3= Nf6 (16...Ne7 17.Qh5 a6 18.Bg5+-) 17.Ra7 (17.Ba7 Ke7 18.Bb3 Ne4+-) 17...Ra7 18.Ba7 Kc8 (18...Rf8 19.Qb3 Bh3 20.Rd1 Nd7 21.Bd5 Qg6 22.Kh1=) 19.Qd3+= Rf8 (better 19...Ne4!? 20.Ra1 Rf8+=) 20.Qg3+- Qc7 21.Qg7 Qd6 22.Bd4 (22.Bb3 Ne4 23.Bd5 Nf6+-) 22...Qe7 23.Qf6 Qf6 24.Bf6 Rf7 25.Be5 Rf3 26.Rd1 Kd8 (26...Bf5 27.Rd5+-) 27.Kg2 Rf8 (27...Rf7 28.c4+-) 28.f4 (28.c4 Ke8+-) 28...Rg8 (28...b5 29.Kf3+-) 29.Kf2 Ke7 30.Rd6 (30.c4 b5 31.cb5 Bb5+-) 30...Rg6 31.Rd2 Bc6 (31...b5 32.Ke3+-) 32.Ke3 Rg2 33.Rg2 Bg2 34.f5 Kf7 (34...b5 35.Bd4+-) 35.Kf4 (35.c4 b6+-) 35...Bc6 (35...b5 36.Kg5+-) 36.Kg5 Be4 ½–½. Norbaev,Nabijon (2160) – Pascua,Haridas (2420), 4. Johor Open, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nf3 e5 10.Bc4 Qe4 11.Be3 Nh6 12.0-0 Ba3 13.Ra3 0-0 14.Bh6 gh6 15.Re1 Qf4 16.Ne5 Ne5 17.Re5 Bc6 18.h3 Kh8 19.Re3 Rg8 20.Bf1 Qd6 21.c4 Rg7 22.d5 b5?? 23.Qa1 Bd7 24.Rg3 f6 25.Rg7 Kg7 26.Rg3 Kh8 27.c5 Qe7 28.Re3 Qg7 29.c6 1–0. Vocaturo,D (2455) – Novosel,T (2070), 17th ch–EU U18 Boys, Sibenik CRO, 2007.

9.Nf3 e6 10.Nb5 Rc8 11.Bd3 a6 12.c4 Bb4 13.Bd2 Qh5 14.Bb4 ab5 15.Bd6 bc4 16.Bc4 Nge7 17.0-0 b5 18.Bd3 Qd5 19.Be7 Ke7 20.Qb1 Attacking the isolated pawn on b5 20...Rb8 (better is 20...b4!?=) 21.Be4+/- Qd6 22.Ra6 Ra8 23.Ra8 Ra8 24.Qb5 Rb8 25.Qg5 Kf8 26.Rd1 h6 27.Qh5 Rb4 The pressure on the isolated pawn grows 28.Bc6 Bc6 (28...Qc6?? 29.Ne5 g6 30.Qh6 Kg8 31.Qf4+-) 29.Ne5 Be8 30.Nf3 f6 31.Qa5 Bc6 32.Qa6 Qd7 33.Ne1 Kg8 34.Nc2 Qd5 35.Ne3 Qe4 36.Qd3 Qd3 ½–½. Brylski,Pawel (2090) – Bartoszewicz,Marcin (1975), 53. Zlota Wieza Poland, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nf3 e6 10.Nb5 Rc8 11.Be2 a6 12.c4 Qf5 13.Bd3 Qh5 14.g4 (14.Nc3!?+=) 14...Qg4-/+ 15.Rg1 Qg1 16.Ng1 ab5 17.cb5 Nd4 18.Nf3 Bc5 (18...Bb4 19.Bd2 Bd2 20.Nd2 Nf6= (20...Bb5? 21.Bb5 Ke7 22.Ba4+-; 20...Nb5 21.Ne4 Nf6 22.Bb5 Bb5 23.Nd6 Ke7 24.Nb5+-)) 19.Bb2+= e5 20.Ne5 Be6 21.Kf1 Nf6 22.Rc1 Nb3 23.Rc3 Na5 24.Qc2 b6 25.Ba3 Nb7 26.Bc5 Nc5 27.Nc6 Nd3 28.Qd3 Nd5 29.Rc4 Ne7 30.Rd4 Nc6 31.bc6 0-0 32.Qb5 Bh3 33.Ke2 Rfe8 34.Kd2 Bg2 35.Rd6 Re6?! (35...Red8 36.Rd8 Rd8 37.Ke3 h5+-) 36.Re6 fe6 37.c7 (37.Qb6?! Bc6 38.f4 Bd5+=) 37...Kf8 38.Qb6 (better is 38.Qd7 Bb7 39.Qd6 Kf7 40.Qb6+-) 38...Ke7 39.Qb4 Kd7 40.Qd4 (40.Qd4 Bd5 41.Qg7 Kd6 42.Qh7 Rc7 43.Qh6+-) 1–0. De Pierrefeu,Thibault (2190) – Houhou,Olivier (2270), Issy les Moulineaux tt, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7)

9.Nb5 Rc8

10.c4 Qe4 11.Ne2 e5 (11...Nb4 12.f3 Nd3 13.Kd2-/+) 12.f3 (12.Nbc3 Bb4 13.Bd2 Bc3 14.Bc3 ed4 15.Bd4-+) 12...Qh4-/+ 13.g3 Qf6 14.Nec3 (14.Bg2 ed4 15.Nbd4-/+) 14...Nd4 (14...a6 15.d5 ab5 16.dc6 Qc6 17.Nb5-/+) 15.Nd4 ed4 (15...Bb4 16.Bd2 ed4 17.Nd5 Bd2 18.Qd2=) 16.Ne4 (better is 16.Nd5!? Qe6 17.Kf2+=) 16...Qb6-+ 17.Bd3 (17.Kf2 f5 18.c5 Bc5 19.Nc5 Rc5-+) 17...Nf6 (better is 17...f5!? 18.Nf2 Nf6-+) 18.Rb1 Bb4 19.Kf2? (better is 19.Bd2!? a5 20.Nf6 Qf6 21.Bb4 ab4 22.Qe2 Kf8 23.0-0-/+) 19...Ne4-+ 20.Be4 0-0 21.Qd3 (21.Qb3 a5 22.Bd2 Bb5-+) 21...g6 (21...Be6 22.Bh7 Kh8 23.Rb4 Qb4 24.Ba3 Qc4 25.Qc4 Bc4 26.Bf8 Rf8 27.Be4-+) 22.h4? (better is 22.Bd2!? a5 23.Rhd1-/+) 22...Be6 (better is 22...Bc6-+) 23.h5? (23.Bd2 a5 24.Rhc1-+) 23...Bc4 24.Qd1 f5 25.Rb4 (25.hg6 fe4 26.gh7 Kh8 27.Rb4 e3 28.Kg2 Bf1 29.Rf1 Qb4 30.Re1-+) 25...Qb4 26.hg6 hg6 (better is 26...Bb3 27.gh7 Kh8 28.Ba3-+) 27.Bb7?? (27.Qd4 Qc5 28.Rh8 Kf7 29.Qc5 Rc5 30.Rf8 Kf8 31.Ba3-+) 27...Qb7 (27...Bb3 28.Qd2 Rc2 29.Bd5 Rf7 30.Qc2 Bc2 31.Rh4-+) 28.Qd4 Qb6 (28...Qb6 29.Rh8 Kf7 30.Rh7 Ke6 31.Qb6 ab6-+) 0–1. Voet,Dirk Victor (1890) – Cools,Gorik (2255), Brasschaat BEL, Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bd7 9.Nb5 Rc8)

10.c4 Qe4-/+ 11.Be3 e5 12.de5 Bb4-+ 13.Ke2 Qc4 14.Qd3 Qd3 15.Kd3 Ne5 16.Ke4 Ng4 17.Na7 Ne3 18.Nc8 Nf1 19.Rf1 Bc8 20.Rb1 Nf6 21.Kd4 Ba5 22.Nf3 0-0 23.Rhc1 Rd8 24.Ke3 Nd5 (24...Nd5 25.Ke4 f5 26.Kd3 Nc3 27.Ke3 Nb1 28.Rb1 g5-+) 0–1. Rost,Bjorn – Bergvoll,M (1965), Norwegian Open, Oslo NOR, 2005.

10.Bf4 Qe4 11.Ne2 e5 12.de5 Ne5 13.Nd6 Bd6 14.Qd6 Nd3 15.Kd2 Nf4 16.Nf4= Qc6 17.Re1 Kd8 18.Qd4 Nf6-/+ 19.Bd3 Rc7 20.f3 Kc8 21.Be4? Ne4-+ 22.Re4? Rd8 23.Ke3 Bf5 24.Qa4 Be4 25.fe4 0–1. Arnetta,MariaT (2020) – Fronda,J (1995), 1st WMSG Blitz Team w, Beijing CHN, 2008.

10.Bf4 Qe4-/+ 11.Ne2 e5 12.f3 Qf5 13.Be3 Nb4?? 14.Ng3= Nc2 15.Kd2 Ne3 16.Nf5 Nd1 17.Nfd6 Bd6 18.Nd6 Ke7 19.Nc8 Bc8 20.de5 Nf2 21.Rg1 Nh6 22.Ke3 Nfg4 23.fg4 Ng4 24.Kf4 Rd8? 25.Be2+- g5 26.Kg5 Ne5 27.Kf4 Ng6+= 28.Ke3 a6 29.Rgd1 Re8 30.Kf2 Kf6 31.Rd6 Kg5 32.Ra5 f5 33.g3 Kh6 34.Rc5 Kg7 35.Rc7 (35.Rc7 Kh8 36.Bh5+-) 1–0. Rusev,K (2425) – Grigorov,G (2360), 69th ch–BUL, Pleven BUL, 2005.

10.Bf4 Qe4 11.Ne2 e5 12.f3 Qf5 13.g4 Qf6 14.de5 Ne5 15.Qd5 Bc6 (better is 15...Rc5 16.Be5 Rd5 (16...Rb5 17.Qb5 Qf3 18.Qc4 Qh1 19.Ra7+-; worse is 16...Bb5 17.Qc5 Bc5 18.Bf6 Nf6 19.Ra5 Be2 20.Be2+=) 17.Nc7 Kd8 18.Bf6 Kc7=) 16.g5?? (better is 16.Qe5 Qe5 17.Be5 Bb5 18.Ra7+=) 16...Bd5-+ (16...Nf3?! 17.Qf3 Bf3 18.gf6=) 17.gf6 Nd3?? (better is 17...Nf3 18.Kd1 Nf6-+) 18.Kd2+= Nf4 19.Nf4 Nf6 20.Re1? Kd8-+ 21.Nd5 Nd5 22.Re5 Rc5 23.Bc4 Nc7 24.Rc5 Bc5 25.Nc7 Kc7 26.Bf7 Rf8 27.Bd5 Rf4 28.h3 a5 29.Re1 Rf5 30.Be4 Rh5 31.Rh1 a4 32.c4 b6 33.Kc3 a3 34.Bb1 Rh4 35.Be4 g6 36.Rh2 Kd6 0–1. Paczka,Patryk – Kucera,Petr, Liberec CZE, Desko Open, 2012. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bd7)

10.Bf4 Qe4-/+ 11.Be3 a6 12.Na3 e6 13.Nf3=+ Nb8 14.Bd3 Qc6 15.c4 Bb4 16.Nd2? Nf6 17.0-0=+ 0-0 18.Nc2 Be7 19.Qf3 Qf3 20.Nf3 Bc6 21.Ne5 Be4 22.Be4 Ne4 23.f3 Nd6 24.c5 Nb5 25.Na3 Na3 26.Ra3 b6 27.cb6 0–1. gregorgysi (2290) – rzens (2290), net–chess.com, 2010.

8.Na3 e5

9.Nb5 Kd8 10.Nf3 ed4 11.Ra4 Bg4 12.Nbd4+=.

9.Nb5 Kd8 10.Nf3 Bg4 11.Be2 Bf3= 12.gf3 ed4 13.cd4 Bb4 (13...a6 14.0-0 Bb4 15.Bd2=+) 14.Bd2 Bd2 15.Qd2 Nf6 16.0-0 (16.Rg1 Re8 17.Kf1 g6=) 16...Re8 17.Rfc1 Re7 (17...Qd7 18.Na7 Ke7 19.Nc6 bc6 20.Ra8 Ra8 21.Qb4 Kd8 22.Bc4+-) 18.Rc5+= Qd7 (18...Qb3 19.Bd3 Nd7 20.Rc3+=) 19.d5+- Ne5?? (19...a6 20.Qa2 Re2 21.Qe2 Nb4+-) 20.d6+- Re6 (20...Nc6 21.de7 Ke7 22.Qb2+-) 21.Qa5 b6 (21...Ke8 22.Nc7 Kf8 23.Ne6 fe6 24.Re5 Qd6+-) 22.Qb6 Ke8 23.Nc7 (23.Ra7 Ra7 24.Qb8 Qd8+-) 23...Kf8 24.Ne6 (better 24.Qb2!? Rd6 25.Na8 Nc6+-) 24...Qe6 25.Ra7 Ra7 26.Qa7 Qd6 27.Rc8 Ne8 28.Qa4 Qe6 29.Qb4 Kg8 30.Ra8 Nd7 (30...g6 31.Bb5 Nf3 32.Kh1+-) 31.Qe4 (better 31.Bc4 Qg6 32.Kh1+-) 31...Ndf6 32.Qe6 fe6 33.Bc4 1–0. Kumic,Filip (2265) – Beslin,Igor (2005), 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

9.Nb5 Kd8 10.Nf3 Bg4 11.Be2 Bf3 12.gf3 ed4 13.Bf4 Rc8 (13...Nf6=) 14.Qd3 (better 14.Ra4!?+/-) 14...a6=+ 15.c4? (better 15.Nd4!? Nd4 16.Rd1=+) 15...Bb4 16.Kf1 Qd7 17.Rg1? (better 17.Rd1 Bc5 18.Nc3-+) 17...ab5 18.cb5 Nce7 19.Rg7 (19.b6 Nd5 20.Bc7 Ke8 21.Qd4 Ngf6-+) 19...Ng6 20.Bg5 (20.Rd1 Bc3 21.Qe4-+) 20...Ke8 21.Qb3 (21.Rd1 Bc3 22.Bd2 Kf8 23.Bc3 Qh3 24.Ke1 dc3 25.Rg6 hg6-+) 21...Bc3 22.Ra7 (22.Rc1 Kf8 23.Rg6 hg6-+) 22...Kf8 (better 22...d3 23.Ra2 Qh3 24.Kg1 Bg7 25.Bf1-+) 23.Rg8 (23.Rf7 Qf7 24.Qf7 Kf7 25.Rb7 N8e7-+) 23...Rg8 24.Bh6 (24.Qa3 Kg7 25.Kg1-+) 24...Ke8 25.Bc4 Ne5 26.Bd5 Qh3 27.Ke2 Qh6 (27...Qh6 28.Bc6 bc6 29.Qc3 dc3 30.Re7 Ke7 31.f4 Qf4 32.b6 Rg1 33.b7 Qd2) 0-1. Strebkov,Vladimir (1890) - Egorova,Tatyana (1720), 6th Sochi Amateur Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

9.Nb5 Kd8 10.Bg5 Be7 11.de5 Qd1 12.Rd1 Bd7 13.Be7 Ke7 14.f4 Nh6 15.Bd3 Bf5 16.Nf3 Rhd8 17.Nfd4 Bd3 18.Rd3 f6 19.Rg3 Nd4 20.Nd4 (worse is 20.cd4 Nf5 21.Rb3 b6+=; worse is 20.Rg7 Kf8 21.Rb7 Nb5 22.Rb5 Ng4-/+) 20...fe5 21.fe5 Rg8 22.Ke2 Rac8 23.Rb1 b6 24.Ra1 a5 25.Rb1 Rc5 26.Rb6 Re5 27.Kd3 Rh5 (27...Kf7!?+/-) 28.Re3 Kd7 29.Rb7 Kc8 30.Ree7 Rc5 31.Nb5 (31.Rg7?! Rg7 32.Rg7 Rc7+-) 31...Rd8 32.Kc2 Rdd5 (32...Rd7 33.Rbd7 Rb5 34.Rg7+-) 33.Na7 Kd8 34.Rg7 Ke8 35.Rh7 Ng8 36.Rb8 (better is 36.g4+-) 36...Rd8 37.Rd8 Kd8 38.Rh8 Rg5 39.g3 Kc7 40.Rh7 Kb6 41.Nc8 Kc5 42.Rc7 Kb5 (42...Kd5 43.Ra7 Kc6 44.c4+-) 43.c4 Kb4 44.Nd6 Rg6 45.Rb7 Kc5 46.Rb5 Kd4 47.Rd5 Ke3 48.Rd3 Ke2 49.c5 Ne7 50.Nc4 Nc6 51.Rd2 Kf3 52.Rd6 Rd6 53.cd6 Kg4 54.Kd3 Kh3 55.Ke4 Kh2 56.g4 a4 57.g5 Nd8 58.g6 Ne6 59.Ke5 a3 1–0. Vlasopoulos,Georgios – Sideris,Theodoros, Ambelokipi op, 1999. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5)

9.Nb5 Kd8 10.Bg5 Be7 11.de5 Qd1 12.Rd1 Bd7 13.Bf4 a6 14.e6 fe6 15.Nc7 e5 (15...Ra7 16.Ne6 Kc8 17.Bc4=) 16.Na8 ef4 17.Nb6 Nf6 18.Nh3 Re8 19.Be2 f3 20.gf3 (20.Nd7? fe2 21.Rd2 Nd7 22.Re2 Nc5-+) 20...Kc7 (20...g6 21.Nf4 Kc7 22.Nd7 Nd7 23.Nd5 Kb8 24.0-0+-) 21.Nd7 Nd7 22.Nf4 Bd6 (22...Kc8 23.Nd5+-) 23.Nd5 Kb8 24.f4 Bc5 (24...Rf8 25.Rg1 g6 26.Ne3+-) 25.Rg1+- g6 26.Rg3 1–0. Vasiukov,Evgeni (2390) – Wahlbom,Magnus (2190), 7th Sabadell Spain, European Championsh, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

9.Nb5 Qd8 10.d5+- Nb8? 11.d6 Na6 12.Ra6! ba6 13.Nc7 Kd7 14.Ba3 Qh4 15.Qd5 Nf6 16.Qf7 Kc6? (16...Kd8 17.Bd3 Rb8 18.Ne6 Be6 19.Qc7 Ke8 20.Qb8 Kf7+-) 17.Na8 Bd7 18.Qb3 (18.Nf3!? Qe4 19.Be2 Nd5+-) 18...Qe4 19.Be2 Bd6 20.Kf1 (20.f3!? Qe3 21.Qc4 Kb7 22.Bd6 Ka8+-) 20...Rb8 21.Qb8! Bb8 22.Bf3 Kb7 23.Be4 Ne4 24.Ne2 Bb5 25.Bb4 Ka8 26.Ke1 Bc7 27.f3 Nd6 28.Bd6 Bd6 29.Kd2 Kb7 30.Ng3 Kc6 31.Ne4 Be7 32.Rc1 Bc4 33.Kc2 a5 34.Nd2 Bf7 35.Ra1 Bg6 36.Ne4 Kb5 37.Rb1 Kc6 38.Kb3 Kb5 39.c4 Kc6 40.Rd1 Bf7 41.Nc3 Bc5 42.Ra1 Bb4 43.Nd5 Bd5+= 44.cd5 Kd5 45.Rd1 Ke6 46.Kc4 a6 47.Rd8 Bd6 48.Kb3 Ke7 49.Ra8 e4 50.fe4 Bh2 51.Ra6 Be5 52.Ra5 Ke6 53.Kc4 Bb2 54.Kd3 Be5 55.Ke3 h5 56.Ra6 Kf7 57.Kf3 g5? 58.Rh6 h4 59.Kg4 Bf6 60.Kf5 Bg7 1–0. Karski,Lukasz (1935) – Wilczynski,Adam (1905), Warszawa Najdorf Memorial op–B Poland, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5)

9.Nb5 Qd8 10.d5 Nb8? 11.d6 Na6 12.Ra6 ba6 13.Nc7 Kd7 14.Na8 1–0. Stashis,Anna (1770) – Wickramasinghe,Dilhara (1645), World Youth Chess Championships, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

9.Nb5 Qd8 10.d5 Bc5 11.Be3 Be3+= 12.fe3 Na5 13.d6 Qh4 (13...Kf8 14.Nc7 Qh4 15.g3 Qe4+-) 14.g3 Qe4 (14...Qh6 15.Nc7 Kd8 16.Ra5 Qe3 17.Ne2+-) 15.Qf3 (better 15.d7 Bd7 16.Nd6 Ke7 17.Ne4+-) 15...Qf3 16.Nf3 b6 17.Nc7 Kd7 18.Na8 Bb7 19.Bg2 Ba8 20.Ne5 Ke6 21.Ba8 Ke5 22.d7 Nf6 23.Rd1 Rd8 24.Bg2 (24.0-0 Nc4+/-) 24...Nc4 (24...Rd7 25.Rd7 Nd7 26.Rf1+=) 25.Ke2 (better 25.0-0!?+/-) 25...Rd7= 26.Rd7 Nd7 27.Rd1 Nc5 28.Bd5 Nd6 29.c4 f5 30.Bg8 Nde4 31.Rd8 Nf6 32.Bf7 Nb7 33.Ra8 a5 34.Bg8 Nd6 (worse 34...Ng8 35.Rg8 g6 36.Rb8+-) 35.Kd3 g5 (35...Ng8 36.Rg8 g6 37.Rb8+-) 36.h4 (36.c5 bc5 37.Bc4 Nfe4 38.Ra5 h6=) 36...h6 (worse 36...Ng8 37.Rg8 gh4 38.gh4+/-) 37.hg5 hg5 38.Rb8 (38.c5!? bc5 39.Bb3=+) 38...Nde4-/+ (38...Ng8?! 39.Rg8 Ne4 40.g4 fg4 41.Re8 Kf5 42.Rd8 (42.Re4?? g3-+) 42...Nc5 43.Ke2=) 39.Bf7 Nd7 (39...Ng3? 40.Rb6 f4 41.Rb5 Kd6 42.Rg5+- (42.Ra5?! f3 43.c5 Ke5 44.c6 Kd6=)) 40.Re8 Kf6 41.Bd5 Ndc5 (41...Ng3 42.Re6 Kf7 43.Rb6 Ke7 44.Rb5+/-) 42.Kc2 Ng3 43.Rb8 Nf1 44.Rb6 Ke5 45.Rb5 Kd6 (45...Ne3!? 46.Kc3 Nd5 47.cd5 Ne4 (47...Kd5?! 48.Ra5 f4 49.Kb4=) 48.Kd3 Nd6 49.Ra5 g4-/+) 46.Ra5 Ne3 47.Kb1?? (better 47.Kc3=) 47...Nd5-+ 48.cd5 Kd5 49.Kc2 Kd4 50.Ra8 Ke3?? (better 50...Ne4 51.Kd1 Ke3-+) 51.Ra5= Kd4 52.Kd1?? (52.Ra8 Ne4 53.Kd1-+) 52...g4 53.Ke2 f4 54.Rb5 (54.Ra3-+) 54...f3 55.Kf1 Ne4 56.Rb1 (56.Rb8 Ke3 57.Re8 g3-+) 56...Ke3 (56...Nd2 57.Kf2 Nb1-+) 57.Rb3 Kf4 58.Rd3 (58.Rb7 g3 59.Rf7 Ke3-+) 58...g3 59.Rd8 (59.Kg1 Ng5 60.Rd2 Ke3-+) 59...g2 60.Kg1 Ng5 61.Kh2 Nh3!! 62.Rd1 (62.Kh3 g1Q Combination) 62...g1Q 63.Rg1 Ng1 64.Kg1 Ke3 65.Kf1 f2 (65...f2 66.Kg2 Ke2 67.Kg3 f1Q 68.Kg4 Qf6 69.Kg3 Qg5 70.Kh3 Kf3 71.Kh2 Qg2) 0-1. Degtiarev,V (1655) - Kholodov,Vladimir (1935), 23rd Voronezh FIDE Open, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

9.Nf3 Ba3+= 10.Ba3 ed4 11.cd4 Nge7 12.Rc1?? Qa5-+ 13.Qd2 Qa3 14.Bc4 Qa5 15.Rc3 b5 16.Bb3 0-0 17.d5 Nb4 18.d6 Ned5! 19.Rc8 Rac8 20.Bd5 Rfe8 21.Kf1 Qa1 22.Ne1 Qe1! 23.Qe1 Re1 24.Ke1 Nd5 25.Ke2 Rd8 26.Ra1 Rd6 27.Ra7 Nc3 28.Ke3 g6 29.Rb7 b4! 30.Kf3 f5 31.g3 Rd3 32.Kg2 Nd5 33.Kf1 b3 34.Ke2 Rc3 35.Ke1 Kf8 36.Kd2 Rc2 37.Kd1 Nc3 38.Ke1 b2 0–1. Seirup,Simon (1650) – Bruin,Randolf Willem, Politiken Cup, Copenhagen DEN, 2010. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

9.Nb5 Bd6

10.Qf3 e4 11.Bc4 ef3 12.Bd5 Bb8 13.Bf3 Nf6 14.Bg5 a6 15.Bf6 gf6 16.Ne2 0-0 17.0-0 Bf5 18.Ng3 Bd3= 19.Be2 Be2 20.Ne2+= Bh2 21.Kh2 ab5 22.Ra8 Ra8 23.Rb1 Ra2 24.Re1 Rd2= 25.Kg3 b4 26.cb4 Nd4 27.Nd4 Rd4 28.Rb1 Kf8 29.Rb2 Ke7 30.Kf3 Kd6 31.Ke3 Rc4 32.Kd3 Rh4 33.g3 Rg4 34.Rb3 Kc6 35.b5 Kc5 36.Kd2 Rb4 37.Rf3=+ Rd4 38.Kc3= Rd6 39.Rf5 Kb6 40.Kc4 Re6 41.Rf4 Kc7 42.Kd4 Kd7 43.Kc4 Ke7 44.Kd4 Re5 45.Kc4 f5 46.f3 Kf6 47.Kb4 b6 48.Rc4 Re6 49.Rh4 Kg6 50.Kc4 Re3 51.Rf4 h5 52.Kd5 f6 53.Kc6= Re6 54.Kc7 Kg5 ½–½. gregorgysi (2285) – pauljohnson (2355), net–chess.com, 2010.

10.Nf3 ed4 11.Nd6 Qd6 12.Be2 Nge7 13.Ba3 Qd5 14.0-0 (14.cd4!? 0-0 15.0-0-/+) 14...dc3-/+ 15.Qd5? (better is 15.Qc2-/+) 15...Nd5-+ 16.Bc4 Be6 17.Rfb1 0-0-0 18.Bc5 Nc7 19.Be2 a6 (19...b6 20.Be3 Nd5 21.Rc1-+) 20.Rb6 (20.Rc1 Nd5-+) 20...Rd5 21.Rc6 (21.Be3 Rd7-+) 21...bc6 22.Bd4 c2 23.Bc3 Rhd8 (23...Rhd8 24.Re1 Rd1-+) 0–1. Klings,Peter (2185) – Majer,Damir (2300), Oberliga Ost–B, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5)

10.Bc4 Qe4

11.Be3 Bb8 12.Nf3 Bg4 13.Bf7 Ke7 (13...Kf7 14.Ng5 Double attack) 14.Qb3 Nh6 (better is 14...Nf6!? 15.de5 Ne5 16.Ne5 Qe5+/-) 15.Bd5+- Qg6 16.Bg5 (16.Na7 Ba7 17.Qb7 Bd7 18.Bg5 Qg5 19.Ng5 Rhb8 20.Bc6 Rb7 21.Bb7 Bd4 22.Ra8 Bc3 23.Ke2 Bd4+-) 16...Kd7? (16...Ke8 17.Na3 b6+-) 17.Bc6?? (better is 17.Na7 Bf3 18.Qb7 (18.Bf3 Ra7 19.Ra7 Na7 20.Qb7 Bc7 21.Bh6 gh6 22.Qa7 Rb8+-) 18...Bc7 19.Bf3 (19.gf3?! Na7 20.de5 Qg5 21.e6 Kd8 22.Qa8 Nc8+-) 19...Na7 20.Bh6 (worse is 20.Ra7 Ra7 21.Qa7 Qg5+=) 20...ed4 21.Ra6 (21.Ra7?! Ra7 22.Qa7 Qb1 23.Bd1 Qe4 24.Be2 Qb1 25.Kd2 Qb2 26.Ke1 Qb1 27.Bd1 Qe4 28.Kd2 dc3 29.Kc3 Qc6 30.Kd3 Qb5 31.Kd2 Qd5 32.Ke1 gh6 33.Qa4 Ke7+/-) 21...Rhe8 22.Be3+-) 17...bc6= 18.Ra7?? Ra7-+ 19.Na7 Bf3 20.Qb7 Bc7 21.gf3 Rb8 22.Qa6 Qg5 ½–½. Larsen,Tor Kristian (1985) – Blom,Erlend R, Hordaland–ch, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6 10.Bc4 Qe4)

...11.Ne2 Bb8

12.0-0 ed4 13.Ned4 Nge7 14.Re1 Qh4 15.g3 Qf6 (15...Qg4 16.f3 Qg6 17.Ba3 Bg3 18.hg3 Qg3 19.Kf1 Bh3 20.Ke2+/-) 16.Nc6 bc6 17.Qb3?? (better is 17.Ba3 Be6 18.Nd4 Bc4 19.Re7 Qe7 20.Be7+-) 17…0-0-/+ (17...cb5 A) 18.Qb5?! Bd7 19.Qb7 0-0 (19...Qc3? 20.Bb2 Qc4 21.Rac1+-) 20.Qd7 Bd6+= (worse is 20...Qc3 21.Ba3 Qc4 22.Qe7 Bg3 23.hg3+-); B) 18.Bb5 Kf8 19.Qd5+-) 1–0. Kulagin,M (2260) – Sarkozy,L (2360), Czech GM Open A, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

12.0-0 Nge7 13.f3 Qg6 14.d5 Nd8 15.Ba3 Nf5 16.Ng3 a6 17.Qa4 Bd7 18.Qb4 Qf6 (18...ab5?? 19.Nf5 Nc6 20.dc6+-; 18...Bb5? 19.Nf5 Qb6 20.Rf2+-) 19.Nf5 Bf5 20.Nd4 Bd7?? (better is 20...Ba7 21.g4 ed4 (21...Bd4? 22.cd4 a5 23.Qb2+-) 22.Rfe1 Kd7 23.gf5 dc3 24.Kh1 Bf2-/+) 21.Rae1 a5 22.Qb2 Bd6 23.f4+- 0-0 24.fe5 Ba3 25.Qa3 Qb6 26.e6 Ne6 27.de6 fe6 28.Qe7 Rf1 29.Rf1 Qd8 30.Qf7 Kh8 31.Be6 Be6 32.Ne6 Qg8 33.Qb7 Re8 34.Ng5 Qc4 35.Nf7 Kg8 36.Nd6 Qc5 37.Kh1 Qf2 38.Qd5 Kh8 39.Nf7 Kg8 40.Ne5 (40.Ne5 Kh8 41.Rf2 h6 42.Rf8 Rf8 43.Ng6 Kh7 44.Nf8 Kh8 45.Ng6 Kh7 46.Ne7 a4 47.Qg8; 40.Rf2?? Re1 41.Rf1 Rf1) 1–0. Zvan,Ziga (2200) – Gazvoda,Franc (2145), SLO Cup Gostovanja, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6)

12.0-0 Nge7 13.Ng3 Qg4 14.Qb3 0-0 15.d5 Nd8 16.f3 Qg6 17.Be2 Kh8 (17...Nf5 18.Ne4+=) 18.Rd1 Bd6 (better is 18...Nf5!? 19.Ne4 Bd7=) 19.Nd6 Qd6 20.Ne4 Qg6 21.Bc4?? (21.d6 Nf5 22.d7 a6+-) 21...Re8? (21...Nf5 22.Bd3=) 22.Bb5?? (22.d6 Nec6 23.d7 Re7 24.dc8N Rc8+-) 22...f5? (better is 22...Qb6 23.Kf1 Bd7=) 23.Be8+- Qe8 24.Nd6 Qd7 25.Qb5?? (25.Nc4 b6 26.Qa3 Bb7+-) 25...Ng6?? (better is 25...Qd6 26.Ba3 Qf6=) 26.Qd7+- Bd7 27.Ra7 (27.Ra7 Ra7 28.c4-+) 1–0. Webb,M (2075) – Taylor,Ge (1930), Paignton Ron Bruce Premier, 2011. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

12.0-0 Nge7 13.Ng3 Qh4 14.Qb3 0-0 15.d5 Nd8 16.Ra4 Nf5 17.Ba3 Re8 18.d6 Qf6 19.Ne4 Qg6 20.Rd1 Bd7 21.Nc5 Bc6 22.Bd5 Nd6 23.Nd6 Bd6 (23...Qd6?! 24.Bf7 Nf7 25.Rd6 Bd6 26.Rh4+=) 24.Bc6 bc6 25.Na6 Ba3 26.Nc7 Ne6 27.Na8? (better is 27.Ne6 Rab8 28.Qa3-+) 27...Bc5 (27...Ra8?! 28.Ra3 Nf4 29.g3=) 28.Qb7 Qc2 29.Raa1 Bf2 30.Kh1 Qe4 31.Rf1+= Qe2 32.Rae1? Qb5 33.Qb5 cb5 34.Rf2 Ra8 35.Re5 a6 36.Ra2 Rd8 37.h3 Rd6 38.c4 bc4 39.Rc2 Rd4 40.Ra5 g6 41.Ra6+= h5 42.Rc6 Rd1 43.Kh2 h4 ½–½. Jaroch,Karol (2170) – Markiewicz,Jerzy (2305), Poland–chT2 Wysowa, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6 10.Bc4 Qe4 11.Ne2 Bb8)

12.0-0 Nf6 13.Ba3 Bd7 (13...Qg6 14.de5 Ne5 15.Nd6 Bd6 16.Qd6+-) 14.Qb3 (14.Bd6!? Qh4 15.Qb3 ed4 16.Bf7 Kd8 17.Bb8 Rb8 18.Nbd4+/-) 14...Nd8+= 15.Ng3 Qg6 (15...Qh4!?+=) 16.de5+/- Ne4?? (better is 16...Ng4 17.Bd6 Bd6 18.Nd6 Kf8 19.Nf7 Nf7+-) 17.Ne4+- Qe4 18.Rfe1 (better is 18.Qb4 Qe5 19.Rfe1+-) 18...Qg6 19.Qb4 Nc6 20.Nd6 Bd6 21.ed6 (21.ed6 Qe6 22.Qb2+-; 21.Qd6?! Qd6 22.ed6 Be6+/-) 1–0. Van Duijn,Roel (2020) – Mewes,H (1895), Dresden GER, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5= Bd6)

12.Qb3 Qg2? 13.Bf7 Kd8 14.Rg1 +-.

12.Qb3 Qg6 13.0-0 Nge7 14.d5 Nd8 15.Ba3 a6 16.Bb4 Bd7 17.Qa2 (better is 17.Be7!? Ke7 18.Qa3 Bd6 19.Nd6 Qd6 20.Qa2+=) 17...Nd5-/+ 18.Bd5 Bb5 19.Rfe1 Bd6 20.Qb3 (better is 20.Nd4!? Bc6 21.Nc6 bc6 22.Be4+=) 20...0-0-+ 21.Ng3 Rc8 (better is 21...Bb4 22.Qb4 Re8-+) 22.Be4= Qf6 23.Bd6?? (better is 23.Bh7 Kh7 24.Ne4=) 23...Qd6-/+ 24.Nf5 Qf6 25.Rad1 Rc7 26.Rd6 Ne6 27.c4 Rc4 28.Bb1 Rf4 29.Qh3 h6 0–1. Champetier,Serge (1905) – Prahov,Valentin (2225), Quebec Carnaval op, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e5 9.Nb5 Bd6 10.Bc4 Qe4 11.Ne2 Bb8)

12.f3 Qh4=+ 13.g3 Qf6 14.0-0 Nge7 15.d5 Nd8 16.d6 Nf5-/+ 17.Nc7 Bc7 18.dc7 Qb6 19.Kh1 Qc7 20.Bb5 Nc6 21.g4 Nfe7 22.Ng3 0-0 23.Qe1 Be6 24.Nh5 a6 25.Bd3 Rad8 26.Nf6 gf6 27.Bh7 Kh7 28.Qh4 Kg8 29.Qf6 e4! 30.Bh6?? Qe5-+ 31.Qe5 Ne5 32.Bf8 Kf8 (32...Kf8 33.fe4 Bg4-+) 0–1. Shchukin,Igor – Leshchenko,V (2150), ch–Kiev, Kiev UKR, 2004.

8.Na3 e6

9.Nb5+/- Kd8 10.Nf3 Bd7 11.Be2 +-.

9.Nb5 Kd8 10.Bf4 e5? (better is 10...Qe4!? 11.Ne2 a6=) 11.de5+/- Qd1 12.Rd1 Bd7 13.e6 fe6 14.Nc7 e5 15.Ne6 (better is 15.Na8!? ef4 16.Nh3+/-) 15...Ke7= 16.Nf8 (better is 16.Nc7!? Rd8 17.Be3=) 16...Rf8-/+ (16...Kf8?! 17.Rd7 ef4 18.Rb7=) 17.Be3 b6 18.Nf3 Nf6 19.Bb5 Rc8 20.Bc6 Rc6 21.Ne5 Rc3 22.0-0 Be6 23.Bd4 Rc7 24.Rfe1 Rhc8 25.f4 Kf8 26.Ng6 hg6 27.Re6 Rc1 28.Rc1 Rc1 29.Kf2 Kf7 30.Rd6 0–1. Blum,Pierre1 (1815) – Birens,Eric Andre (2035), FRA–ch Accession, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5)

9.Nf3 Ba3 10.Ba3 Nge7 11.Bd3 0-0 12.0-0 Re8 13.Re1 Ng6 14.Re3 (14.Bc5 Bd7+/-) 14...Qd8 15.Qc2 Qc7? (15...Nce7 16.Be7 Re7 17.h4+/-) 16.Ng5 (16.d5!? Na5 17.d6 Qd8+-) 16...Qf4 (16...Nce7 17.Rb1+/-) 17.Nh7! Kh7? (17...e5 18.d5 Nce7 19.Be7 Re7 20.Bg6 fg6 21.Qg6 Rf7+/-) 18.Rh3 Kg8 19.Bg6 fg6 20.Qg6 Bd7 21.Qh7 Kf7 22.Rf3 Qf3 23.gf3 Rh8 24.Qe4 Rh5 25.c4 White plans d5 (25.Qf4!? Rf5 26.Qc7 Rd8+-) 25...Rah8 26.Qf4 Ke8 27.d5! Nd8?? (27...ed5 28.Qc7 Decoy) 28.Qd6 (28.Qd6 Rg5 29.Kf1+-) 1-0. Ramsdal,Jens Albert (2300) - Petersen,Nils (1985), Obro New Year, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3)

9.Nb5 Bd6?

10.c4?? Qe4 (better 10...Bb4 11.Bd2 Qd8 12.Bb4 Nb4+=) 11.Be3 (11.Be2 Bb8 12.Nf3 Nb4+-) 11...Bb8 (better 11...Bb4!? 12.Ke2 Kf8=) 12.Nf3+- Qg6 13.Bd3 f5 14.d5 Ne5 (14...ed5 15.cd5 Ne5 16.0-0+-) 15.0-0+- Nf3 16.Qf3 e5 17.Qe2 (worse 17.Na7 e4 18.Qd1 Bd7+=) 17...a6 (17...e4 18.Ba7 Nf6 19.Bb8 Rb8 20.Nc7 Kf7 21.Bc2+-) 18.c5 (18.Bd4!? Nf6 19.Be5 0-0+-) 18...Nf6+- 19.c6 (19.Bc4!? 0-0 20.c6 bc6 21.dc6 Kh8 22.g3+=) 19...Nd5+= 20.c7 Bc7 (20...Nc7? 21.Rfc1 0-0 22.Nc7 Bc7 23.Rc7+-) 21.Nc7 (21.Rfc1!? Bd8 22.Bc5 Qg2 23.Kg2 Nf4 24.Kf1 Ne2 25.Nd6 (25.Be2?! Kf7+-) 25...Ke7 26.Be2+-) 21...Nc7=+ 22.Rfc1 (22.Bf4!=+) 22...Ne6-/+ 23.Bb5 Kf7 24.Bc4 Re8 25.Bb5 (25.Ra5!? b5 26.Bd5=+) 25...Re7 26.Bc4 (26.g3 f4 (26...ab5?! 27.Ra8 Bd7 28.Bc5 Nc5 29.Rc5=+) 27.Bb6 Ng5-+ (27...ab5?! 28.Ra8 Bd7 29.Qe5=)) 26...Bd7 (26...b5!? 27.Bb3 Bb7 28.f3-+) 27.Bc5-/+ Bc6 28.Qf1? (better 28.f4 ef4 29.Be7 Ke7 30.Rf1-+) 28...Rd7-+ 29.Bb6 Ke8 (29...Kf6 30.Rd1-+) 30.Be6? (better 30.Ra5 e4 31.Re5-+) 30...Qe6-+ 31.Ba5 Rd4 (31...Kf7!? 32.Qe2-+) 32.Bc3 Rg4 (better 32...Bb5!? 33.Qe1 Re4 34.Qd2-+) 33.f3 Rg6 34.Be5 Kf7 35.Bg3 Qe3 36.Kh1 Re6 37.Bf2 (37.Qc4!? Rae8 38.Re1-+) 37...Qe2-+ 38.Qg1 Rg6 39.Rc6? (better 39.Rc3-+) 39...Rc6 (39...bc6?! 40.Re1 Qa2 41.Ra1-+) 40.Re1 (40.Qb1 Kg6 (40...Qf2?! 41.Qb7 Rc7 42.Qc7 Kg8 43.Qc6=) 41.Qb7 Rac8-+) 40...Qc4 41.Be3 (41.Re5 g6-+) 41...Re8 42.h3 (42.Rd1 b5 43.Rd7 Re7-+) 42...Rce6 (42...Qc3 43.Bf2 Re1 44.Be1-+) 43.Bf2 (43.Rc1 Qh4 44.Bf2-+) 43...Re1 44.Be1 Qc1 45.Qb6 (45.Bb4 Qg1 46.Kg1-+) 45...Re1 46.Kh2 (46.Qg1 Rg1 47.Kh2 f4 48.g3 fg3) 46…Qf4 (46...Qf4 47.g3 Qd2 48.Qf2 Qf2) 0–1. Urbanaites,Elvira (1755) – Khuseinova,Anna (1860), Women Ivanovo Region Championship, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

10.Bc4 Qe4 11.Ne2 Bb8 12.0-0 Nge7 13.Bd3 Qh4 14.g3 Qf6 15.h4 h6 16.Nf4 0-0?? (better 16...g6-/+) 17.Nh5+- (17.Nh5 Qg6 18.Bg6 Ng6 19.Qf3+-) 1-0. Bugayev,Vladimir - Lopez Rueda,Juan Pablo (1880), Titled Tuesday, 2020. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

10.Nf3?? Nge7 11.Bc4 Qe4 12.Be3 Bb8 13.0-0 0-0 14.Ng5 Qg6 15.Bd3 f5 16.f4 h6 17.Nf3 b6 18.Ne5 Ne5 19.fe5 Bb7 20.Qd2 Nd5 21.Rf2 Rd8 22.h3 Ne3 23.Qe3 Qg5 24.Qe2 a6=+ 25.Na3 b5 26.Nc2 ½–½. Roncak,Vaclav – Johansson,An (2005), South Bohemia Open, Cesky Krumlov CZE, 2008.

10.Nf3?? Nge7 11.Bc4 Qe4 12.Kf1 Bb8 13.Bd3 Qd5 14.c4 Qd8 15.h4 Bd7 16.Ba3 a6 17.Nd6 Bd6 18.Bd6 b5 19.Qe2 bc4 20.Bc4 a5 21.d5 0-0?? (better is 21...ed5 22.Be7 Qe7 23.Bd5 Rb8-/+) 22.dc6+/- Bc6 23.Rd1 Re8 24.Ng5 Bd5?? (24...Nd5 25.Qh5 Qd6 26.Qf7 Kh8+-) 25.Bd5 Nd5 26.Ba3 h6+= 27.Ne4 Qb6 28.Bc5 Qb3 29.Rh3 Qb8 30.Rg3 a4? 31.Qc2?? Qb5 32.Kg1 Nf4?? 33.Nf6 (33.Nf6 Kh8 34.Qh7) 1–0. Vallejo Nuno,Jorge (2000) – Vargas Huamani,Juan Carlos, Madrid Anticrisis op, 2009. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

10.Qg4+- Nd4 11.Nd6 Qd6 12.cd4 Ne7 13.Qg7 Rg8 +-.

10.Qg4 Nce7 11.Qg7 Ng6 12.Bd3 N8e7 13.Ba3 (13.Ra7?! Ra7 14.Na7 Bd7+=) 13...Bf4 14.Ne2 Qg2 15.Rg1 Qh2 16.Be4 Qh4? (better is 16...Bd7!? 17.Rh1 Rg8+=) 17.Be7+- Ke7 18.Bg6 (18.Nf4?! Nf4 19.Qe5 Ng6 20.Qc7 Kf6+=) 18...hg6 19.Nf4 Qf4 20.Qh8 Qe4 21.Kd2 Bd7?? (better is 21...Qf4 22.Kd1 Qf3 23.Kc1 Qf2=) 22.Qa8+- Bb5 23.Kc1 (23.Ra7?! Qd3 24.Kc1 Qc3 25.Kb1 Bd3 26.Ka2 Bc4 27.Kb1 Bd3 28.Ka2 Bc4 29.Kb1 Bd3=) 23...Bd3 24.Rd1 Be2 25.Ra7 Qf4 26.Rd2 Bf3 27.Rb7 Kf6 28.Qh8 Kg5 29.Rb5 f5 30.Qe5 1–0. Ziolkowski,Dawid (2245) – Baturo,Tomasz (2050), Chojnice op Poland, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

10.Qg4 Nge7 11.Ba3 Bb8+= 12.Qg7 Qe4 13.Be2 (better is 13.Ne2 Rg8 14.Qh6=) 13...Ng6?? (better is 13...Rg8 14.Qf6 Qg2-/+) 14.Kf1 (14.Nf3 Nd8 15.Ne5 Qg2+-) 14...Nce7 15.Re1 (15.Nf3 Qf4 16.Bd6 Bd6 17.g3+/-) 15...Qc6 16.Nf3 Rg8 17.Qh7 a6 18.d5 Qd5 (18...ed5? 19.Nfd4 Rh8 20.Qg7+-) 19.c4 Qc6 20.Nfd4 (20.Ng5!? Rf8 21.Nd4=) 20...Qd7 21.c5 Be5?? (better is 21...Nf8 22.Qe4 ab5 23.Bb5 Ra3 24.Bd7 Nd7=) 22.Nd6= Bd6 23.cd6 Rh8 24.Qg7 Rg8 25.Qf6 Nd5 26.Qf3 Ngf4 27.g3 Ne2 28.Re2 Nb6?? 29.Qb3 Na4 30.Rc2 b5? 31.Rc7 Qd8 32.Re7 Kf8 33.d7 Kg7 34.Ne6 (34.Ne6 Kg6 35.Qd3 Kh6 36.Bc1 Rg5 37.Bg5 Kh5 38.Qf3 Kg6 39.Qf7; 34.Rf7 Kh8 35.Qe6 Rg6 36.Qe5 Kg8 37.Qe8 Qe8 38.de8Q) 1–0. Damia,Angelo (2095) – Cardani,Roberto (1900), Robecchetto op, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

10.Qg4 Nf6?? 11.Qg7+- Rg8 12.Qf6 Qe4 13.Ne2 Be7 (13...Bb8 14.Ba3+-) 14.Qf4 (better is 14.Nc7!? Kd7 15.Qf7 Rf8 16.Qf8 Bf8 17.Na8 b6+-) 14...Qf4 15.Bf4 Bd8 16.g3 a5 17.Bg2 Ke7 18.0-0 f6 19.Bd6 Kd7 20.d5 ed5 21.Bd5 Rg5 22.Nf4 1–0. Kovachev,Daniel Jakobsen (1975) – Reppen,Ellisiv (1715), NOR–ch U20 Bergen, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Bd6)

10.Qg4 Kf8? 11.Nd6 1–0. Kramps,Rene (2060) – Funke,Reinhard (1935), Oberliga NRW, 1989. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

10.Qg4 Kf8? 11.Nd6 Qd6 12.Ba3 Nf6 (12...Qa3 13.Ra3 e5+-) 13.Bd6 Kg8 14.Qf3 h6 15.Bd3 Nd5 1-0. Borovicka,B (1960) - Shtompel,Yuriy (1800), 30th Czech Open C, 2019. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3)

10.Qg4 g6?

11.Bc4!!+- Qc4 12.Nd6.

11.Bc4!!+- Nf6 12.Bd5 Ng4 13.Bc6 bc6 14.Nd6 Kd7 15.Nc8 Rhc8 16.Nf3 c5 17.h3 Nf6 18.Ne5 Ke8 19.0-0 cd4 20.cd4 Nd5 21.Be3 a5 22.Rfc1 Rcb8 23.Rcb1 (23.Rc4 Rb3+-) 23...Rc8? (better is 23...Rb1 24.Rb1 a4+/-) 24.Rb7+- a4 25.Rf7 a3 (25...Rc7 26.Rc7 Nc7+-) 26.Rh7 a2 27.Rh8 (27.Rh8 Ke7 28.Bg5 Kd6 29.Rc8 Rc8 30.Ra2+-) 1–0. Waters,Andrew – Shapland,Roy, Weymouth op, 2008. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6)

11.Bc4!!+- Nf6 12.Bd5 Ng4 13.Bc6 bc6 14.Nd6 Kd7 15.Nf7 Rf8 16.Ne5 Ne5 17.de5 c5 18.Be3 Bb7 19.Nf3 (19.Bc5?! Rfc8 20.0-0-0 Ke8+/-) 19...Rf5 20.Rd1 Ke8 21.Bc5 Bf3 22.gf3 Re5 23.Be3 a5 24.Kd2 a4 25.Kc2 a3 26.Rhe1 Rb5 27.Rb1 Rf5 28.c4 a2 29.Ra1 Ra4 (29...Kd7 30.c5+-) 30.Kb3 Rfa5 31.Bc5! Kf7 (31...Rc5 32.Re6 (32.Ka4)) 32.Re2 h5 33.Bb4 Ra7 34.Rea2 (34.Rea2 Ra2 35.Ra2 Ra2 36.Ka2+-) 1–0. Bursa,Renata (2115) – Skrzypczak,Anna (1995), Poland–chT2 Wysowa, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 e6)

11.Bc4!! Nf6 12.Bd5 Ng4 13.Bc6 bc6 14.Nd6 Ke7 15.Ba3 Kd7 (15...Kf6 16.h3 Nh6 17.Ne4 Kg7 18.Be7+-) 16.Nf7 Nf2 (16...Rg8+-) 17.Kf2 (17.Kf2 Rg8 18.Nf3+-) 1–0. Helin,Mikael (1875) – Dufour,Jacques (1660), Stockholm SWE, Elo Challenge, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3= Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5+/- Bd6?)

11.Nd6?! Qd6 12.Bb5 Nf6 =.

9.Nb5 Qd8

10.Nf3 Bd6 (10...Nf6 11.Bd3+=) 11.Bc4 Nge7 12.0-0 0-0 13.Qc2 Nd5?? (better is 13...Bb8=) 14.Nd6+/- Qd6 15.Ba3 Qc7? (better is 15...Qd8!? 16.Bf8 Qf8+/-) 16.Bf8 Kf8 17.Qh7 Nf6 (17...Nc3 18.Ra3 b5 19.Rc3 bc4 20.Rfc1+-) 18.Qh8 Ng8 19.Ng5 Nce7 20.Nh7 Ke8 21.Bb5 (21.Bb5 Bd7 22.Bd7 Kd7 23.Qg7+-) 1–0. Bey,Jerry – De Bruijne,Arian (1940), Leiden NED, 7th LCT Open, 2013. (=1.e4 c5 2.a3 Nc6 3.b4 cb4+= 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6)

10.Bf4 e5

11.de5 Qd1? 12.Rd1+- Ke7 13.Nc7 Be6?? 14.Na8 Nh6 15.Bb5 Nf5 16.Bc6 bc6 17.Nf3 h6 18.h4 g6 19.Nc7 Bb3 20.Rd2 Bg7 21.Nd4 Ba4 22.Nf5 gf5 23.Rh3 Rc8 24.Na6 Bb5 25.Nc5 a5 26.Rd7 Kf8 27.e6 Bc4 28.Bd6 Ke8 29.ef7 Bf7 30.Re3 (30.Re3 Be5 31.Re5 Be6 32.Re6) 1–0. gregorgysi (2220) – lopesq (2130), net–chess.com, 2010.

11.de5 Be6 12.Qa4 Bc5 13.Nf3 Nge7 14.Nd6 Bd6 15.ed6 Nd5 16.Bd3 Nc3 17.Qa3 Nd5 18.Bg3 0-0 19.0-0 Qd7 20.Bb5 f6 21.Nd4 Bf7 22.Rfc1 Rfc8 23.Rc5 Nb6 24.Rac1 Bd5 25.h3 a6 26.Bc6 bc6 27.Qa5 Rab8 28.Qa6 Qe8 29.d7 Nd7+= 30.R5c3 Qe4 31.Qf1? Qd4-+ 32.Bb8 Rb8 33.Kh1 Rb2 34.Re3 Qd2 35.Kg1 Ne5 36.Rd1 Qb4 37.Qa6 Qb7 38.Qa5 h6 39.Qd8 Kh7 40.Rde1 Rb1 41.Rb1 Qb1 42.Kh2 Qf1 43.Rg3 Qf2 44.Qd6 Bg2! (44...Bg2 45.Qc5 Qc5 46.Rg2 Nf3 47.Kg3 Nh4 48.Rb2 Qe3 49.Kh2 Qe5 50.Kg1 Qb2 51.Kf1 Qg2 52.Ke1 Nf3 53.Kd1 Qd2) 0–1. Demikhov,Vladislav (2145) – Khoroshilov,Nikita, Voronezh op–B, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6)

11.Bg3 a6 12.Nf3 (12.de5!? Qd1 13.Kd1=) 12...Bg4 13.Qa4 Bd7 14.Qa2 (14.de5 Na7 15.e6 fe6 (worse is 15...Bb5 16.Bb5 Nb5 17.c4+=; 15...ab5 16.ed7 Qd7 17.Bb5 Qb5 18.Qb5 Nb5 19.Ra8 Ke7 20.Kd2+-) 16.Nc7 Qc7 17.Bc7 Ba4 18.Ra4 Rc8+=; worse is 14.Ne5 Ne5 15.Be5 Rc8-+) 14...Rc8 15.d5 Nb8 (15...ab5 16.dc6 bc6 17.Be5 Be6+=) 16.Na3?? (better is 16.Na7!? Rc3 17.Qb2 Rf3 18.Qe5 Be6 19.gf3=) 16...f6 17.Be2? (17.c4 Bb4 18.Nd2 h5-/+) 17...Qa5 18.0-0 Rc3 19.Qb2? Ra3 20.Ra3? Qa3 21.Qb7 Bd6 22.Rb1 Ne7 23.Nd2 0-0 24.Nc4 Qc5 25.Nd6 Qd6 26.Bc4 Bb5! 27.Ba2 Nd7 28.f3 Rc8 29.Be1 Nc5 30.Qa7 Nd3 31.Bd2 Kf8 32.Qb7 Qc5 (32...Qc5 33.Kh1 Nf2 34.Kg1 Nh3 35.Kh1 Qg1 36.Rg1 Nf2) 0–1. Klings,Peter (2205) – Fuchs,Heinz (2290), BL2–Sued, 2007. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Qd8)

11.Bg3 Bd6 12.Bc4 Nge7 (12...Bb8 13.Qe2 f6 14.f4 a6 15.fe5 fe5 16.Be5 Ne5 17.de5 Ne7 18.Nf3+=) 13.de5 (13.Nf3 Bb8 14.Ne5 Ne5 15.de5 Qd1 16.Rd1 Nf5 17.Nd6 Bd6 18.ed6+/-; 13.Nd6 Qd6 14.Nf3 Ng6 15.Ng5 Nd8 16.de5 Qd1 17.Rd1 Ke7 18.h4+=; 13.Qe2 f6 14.Rd1 a6 15.Nd6 Qd6 16.de5 Qa3 17.Qd2 Qc5 18.ef6=) 13...Bb8 (13...Be5 14.Qd8 Kd8 15.Rd1 Bd7 16.f4 Bf6 17.Bf7 a6 18.Be6=) 14.Nd6 (14.Qd8 Nd8 15.Nd6 Bd6 16.ed6 Nf5 17.Nf3 Be6 18.Bb5+=) 14...Bd6 15.ed6 Nf5 16.Qe2 Kf8 (16...Kd7 17.Qf3 Qf6 18.Rd1+=) 17.Rd1 Bd7 18.Nf3 (18.Qf3+/-) 18...Qe8 19.0-0 Qe2 20.Be2 f6 21.Bc4 g5 22.Nd2 Kg7 23.Ne4 b6 24.Rfe1 Rhe8 25.f3 Ng3 26.hg3 h6 27.g4 Rac8 28.Ba6 Rcd8 29.c4 Re5 30.Kf2 Nb4 31.Bb7 Rb8 32.Bd5 Rc8 33.Ng3 Re1 34.Ke1 Nd5 35.cd5 Kf7 36.Kf1 Rc5 37.Ne4 Ra5 (better is 37...Rc2!?+=) 38.Rc1= Rd5 39.Rc7 Ke6 40.Ra7 f5 41.gf5 Rf5 42.Rb7 ½–½. Gora,Jan (1845) – Duda,Jan_Krzysztof (2175), World Junior U20 Championship Czarna Poland, 2010. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5)

11.Bg3 Bd6 12.Nf3 Bg4 13.Bc4 a6 14.Nd6 Qd6 15.0-0 Nf6 16.Qe2 (worse is 16.de5 Qd1 17.Rfd1 Ne4+=) 16...Qe7 17.d5 Nb8 18.d6 Qd6 19.Bf7 Kf8 (19...Kf7 20.Ne5 Double attack) 20.Ba2 Nc6 21.Qc4 Qe7? (better is 21...Bh5=) 22.Ne5!+- Ne5 23.Be5 Bh5 24.Rfe1 Re8 (24...Bf7 25.Bd6!! Bc4 26.Be7 Kf7 27.Bc4 Kg6 28.Bf6 gf6+-) 25.Qf4 Rd8 26.Bc7 Qd7 (26...Be2 27.Bd8 Qd8 28.Re2 g5+-) 27.Qb4 (27.Qb4 Qd6 28.Bd6 Rd6 29.Qd6) 1–0. Shapovalenko,Maksim – Kretov,Evgeny (2145), Voronezh op–B, 2004. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 e6 9.Nb5 Qd8)

8.Na3 Bf5

9.Nc4 a6 10.Ne3 Qd7 11.Qb3 Nh6 12.Nf3 g6 13.Be2 Bg7 14.h4 0-0 15.Nf5 Nf5 (worse is 15...Qf5 16.Qb7 Rfc8 17.h5+/- (17.Ra6? Rab8 18.Qc6 Rc6 19.Rc6 Qc2-+; worse is 17.Ba6 Rab8 18.Qc8 Rc8 19.Bc8 Qc8-/+)) 16.h5 e5 17.d5 Nce7 18.g4 Nd6 19.Ba3 Rfd8 20.hg6 hg6 (worse is 20...fg6 21.Ng5 e4 22.Rd1+=) 21.Rd1 b5 22.Ng5 Rac8 23.Bd6 Qd6 24.Ne4 Qb6 25.d6 Nc6 26.Bc4 Rd7 27.Bd5 (better is 27.Be6 Nb8 28.Qd5+/-) 27...Na5+= 28.Qa2 Nc4 29.Bc4 Rc4 (29...bc4?! 30.Qe2=) 30.f3 f5 31.Nd2? (better is 31.gf5 gf5 32.Nf2-+) 31...Qe3 32.Kf1 Rd6 33.Kg2 Qe2 34.Kg3 f4 35.Kh4 Bf6 36.g5 Qf2 (36...Qf2 37.Kh3 Qg3) 0–1. Gruentaler,Gerhard (2045) – Kiener,Georg (2030), Regionalliga SO, 2006. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

9.Nc4 Rd8 10.Ne3+- Qe4 11.Bc4 (11.Ne2 Be6 12.f3 Qh4 13.g3+-) 11...e6? (better 11...Nf6!?+=) 12.Ne2+- Bd6? (12...Nge7 13.Qb3 Rd7 14.Ng3+-) 13.Ng3 (better 13.h4 Nd4 14.Nd4 Ne7+-) 13...Bg3? (better 13...Qh4 14.Nef5 ef5 15.Qe2 Nge7 16.Nf5 Qf6 17.Nd6 Rd6+-) 14.hg3 (14.fg3?! a6 15.Be2 Nge7+-) 14...Ne5 (14...Nd4 15.cd4 Nf6 16.Qa4 Kf8 17.Qa7 Qc6+-) 15.Bb5 Kf8 (15...Nd7 16.Rh4 a6 17.Re4 Be4 18.Qg4+-) 16.f3 Nd3 (16...Bg4 17.fe4 Bd1 18.Ra7 Ng6 19.Ba3 N8e7 20.Kd1 f6+-) 17.Kf1 (17.Kf1 Bg4 18.Ng4 Qe1 19.Qe1 Ne1 20.Ra7+-) 1–0. Drozniak,Stanislaw – Vahala,Tomas, Orlova Open, 2017. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

9.Nc4 Qe4 10.Ne3 e6 11.Ne2 Bd6 12.Ng3+/- Qh4 13.Ngf5 ef5 14.Nf5 Qe4 15.Qe2 Qe2 16.Be2 Bf8 17.Bf4 Rd8 18.0-0 g6 19.Ne3 Nf6 20.Bf3+- a6 21.Rfb1 Rd7 22.Rb7!! Nd4 (22...Rb7 23.Bc6) 1–0. Vea,O (2140) – Wilsbeck,J (1915), Open NOR–ch, Oslo NOR, 2006.

9.Nc4 Nf6 10.Ne3 Qd7 (10...Qe4 11.Ne2 Bd7 12.Ng3+=) 11.d5+= Ne5 12.Qd4 Neg4 13.Ra7 (13.Nf5!? Qf5 14.Bb5 Kd8 15.Be2+=) 13...Ra7= 14.Qa7 Ne3 15.Be3 Nd5 16.Qa8 (16.Qa5!? Qd8 17.Qb5 Qd7 18.Qa5=) 16...Qc8-/+ 17.Bb5 Kd8 18.Qa5 Qc7 19.Qa8 Qc8 (19...Bc8 20.Qa7-/+) 20.Qc8 (20.Qa5 Qc7 21.Qa8 Bc8 22.Qa2-/+) 20...Kc8-/+ 21.Bd4 (21.Kd2 Ne3 22.fe3 g6-/+) 21...f6 22.c4 (22.Bc4 Nf4 23.g3 Nd3 24.Kd2 Nb2-+) 22...Nb4 (22...Nf4!? 23.f3 e5 24.Bb6-+) 23.Bb6 e5 24.Nf3 (24.Kd2 Nd3-+) 24...Bc5! 25.Bc5 Nd3 26.Ke2 Nc5 27.Ra1 Rd8 (27...Kc7 28.g3-+) 28.Ne1 (28.Ra8!? Kc7 29.Rd8 Kd8 30.Ke3-+) 28...Kc7 29.f3 (29.Ke3 Nb3 30.Ra3 Nd4-+) 29...Nb3 30.Ra3 (30.Ra4 Rd2 31.Ke3 Rd1-+) 30...Nd4 (30...Rd2 31.Kf1 Nd4 32.Be8-+) 31.Ke3 Nb5 32.cb5 Kb6 (32...Rd1 33.g4 Bd7 34.Nd3-+) 33.g4 (33.f4 Rd5-+) 33...Bg6 34.h4 h6 35.h5 Bh7 36.Rc3 Rd7 (36...Kb5?! 37.Rc7 b6 38.Rg7-/+) 37.f4 ef4 38.Kf4 Kb5 39.Nf3 (39.Nc2 Rd2 40.Ne3 Rd4 41.Kf3 Rd7-+) 39...Kb4 40.Rc8 b5 41.Ke3 Rd3 42.Kf4 Rc3 43.Rb8?! (43.Rh8 Rc4 44.Ke3-+) 43...Rc4 44.Kg3 Rc7 (44...Bd3 45.Nh2-+) 45.Nd4 Bd3 46.Kf4 Bc4 47.Ke3 (47.Ke4 Kc5 48.Nf5 b4-+) 47...Rc5 48.Rb7 (48.Ra8 Re5 49.Kd2 Rg5-+) 48...Kc3 49.Nb5 Rb5 (better is 49...Bb5!? 50.Rg7 Bd3 51.Rg8-+) 50.Rg7 Rg5?? (better is 50...Re5 51.Kf4 Kd4-+) 51.Rh7-/+ Rg4 (51...Re5 52.Kf4 Re1 53.Rh6 Rf1 54.Ke3+=) 52.Rh6+= f5 53.Rf6 Re4 54.Kf2 0–1. Damia,Angelo (2210) – Georgiev,Todor (1900), Vidin BUL, 5th Balkan Amateur Open, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

9.Nc4 Bg6 10.Ne3 Qd8 11.d5 Nb8 12.h4 h6 13.Nf3 Nd7 14.Bb5 Ngf6 15.Ne5 Bh7 16.Qf3+/- Qc7 17.N3c4 a6 18.0-0 Rc8 19.Bd7 Nd7 20.Qf7 Kd8 21.Nd7 Kd7 22.Qe6 Kd8 23.Nb6 Bf5+/- 24.Qe3 Qc3+= 25.Qf4 Qa1? 26.Qf5+- Rc7 27.Bf4 Qc3 28.Qb1 e5?? 29.de6+- Rc6 30.Rd1 Bd6 31.e7! (31.e7 Ke7 32.Nd5 Kf7 33.Qf5 Qf6 34.Nf6 gf6 35.Bd6+-) 1–0. Puntier,W (2295) – Yanayt,E (2250), New England Masters, Pawtucket USA, 2008.

9.Nc4 Bg6 10.Ne3+/- Qe4 11.Qb3 e6 (11...Nf6 12.d5 Ne5 13.Qb7+-) 12.Qb7 Rb8 13.Qc7 Nge7 (13...Rb6 14.Nf3 Nd8 15.Qa7+-) 14.f3 Qh4 15.g3 Qf6?? (better is 15...Qh5 16.Nc4 Rd8+-) 16.Nc4 (better is 16.Ng4 Qf5 17.Ne5 Qe5 18.de5+-) 16...Rd8 17.Nd6 (better is 17.Ra6!? Qf5 18.Rc6 Nd5+-) 17...Rd6 18.Qd6 e5 (18...Qf5 19.Bc4+-) 19.de5 (better is 19.Qc7 ed4 20.Bb5 Qe6 21.Kf2+-) 19...Qd6?? (19...Qe5 20.Qe5 Ne5 21.Bb5 N7c6 22.Ra7 Kd8 23.Bc6 Nc6 24.Ra8 Kc7+-) 20.ed6 Nc8 21.Bf4 Bd6 22.Bb5 Kd7 23.Bc6 Kc6 24.Ra6 Kc5 25.Bd6 Nd6 26.Ra7 Re8 27.Kf2+- Nb5 28.Ra1 Nc3+/- 29.g4 Rb8 30.h4 Kd4 31.Kg3 Rb2 32.Rh2+- Rh2 33.Kh2 h5 34.Kg3 Bd3 35.Ra7 Bc4 36.gh5 Nb5 37.Ra8 (37.Ra8 Nd6 38.Kf4+-) 1–0. Makarkin,Zhan (2080) – Puchko,Nikolay (1845), Voronezh RUS, 2014. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

9.Nf3 e6 10.Nb5 Bd6+=.

9.Nf3 e6 10.Nb5 Kd8!?=.

9.Nf3 e6 10.Nb5 Qd8 11.Bf4 Rc8 12.Na7 Na7 13.Ra7 Be7 14.Qa4 Kf8 15.Ne5 g5 16.Bd2 Kg7 17.Be2 f6 18.Nd7 (18.Nc4!?+/-) 18...Be4= 19.Nf6?? (better is 19.Bf3 Bf3 20.gf3=) 19...Bf6 20.Rb7?? (better is 20.0-0-/+) 20…Rc7 (20...Rc7 21.Rc7 Qc7-/+) 0–1. Lamothe – Caiafas,Th, Dubai, 1986. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

9.Nf3 e6 10.Nb5 Qd8 11.Bf4+= Rc8 12.Na7 Na7 13.Ra7 Be7 14.Qa4 Kf8 15.Ne5 g5 16.Bd2 Kg7 17.Be2 Bf6 (17...f6 18.Nc4+/-) 18.Nd7 Be4 19.Nf6 Qf6 20.0-0 Qg6 21.c4 Nf6 22.f3 (better is 22.Qb5!?+/-) 22...Bd3= 23.Qd1 Rc4 24.Rb7 Rd4 25.Bc3 Rd5 26.Bd3 Qd3 (26...Rd3?? 27.Bf6 Qf6 28.Qd3+-) 27.Qa1 e5 (27...Qg6!?+=) 28.Re7 Re8 29.Re8 Qe3 30.Kh1 Ne8 31.Re1 Qc5 32.Be5 f6 33.Bb2 Qb5 34.Re7 Kg6 35.h3 Rd2 36.Qb1 Qf5= 37.Qf5 Kf5 38.Bc3 Rd3 39.Be1 Nd6 40.Rh7 Rd1 41.Re7 Nc4 42.Kh2 Rd3 43.Kg3 Ne5 44.Kf2 Ra3 45.Ke2 Ra2 46.Bd2 Kg6 47.Rc7 Kf5 48.Re7 Kg6 49.Rc7 Kf5 50.Rc5 Ke6 51.Ra5?? Rd2!-+ 52.Kd2 Nc4 53.Kc3 Na5 54.Kd4 Nc6 55.Ke3 Ke5 56.h4 gh4 57.g4 Ne7 58.f4 Ke6 59.Kf3 f5 60.gf5 Kf5 61.Kg2 Kf4 62.Kh3 Nf5 63.Kh2 Kg4 64.Kg2 h3 65.Kh2 Nd6 66.Kh1-+ Kg3 67.Kg1 Ne4 (67...Ne4 68.Kf1 h2 69.Ke2 h1Q 70.Ke3 Qf3 71.Kd4 Kf4 72.Kd5 Kf5 73.Kc6 Qc3 74.Kb6 Qc5 75.Kb7 Nd6 76.Ka6 Qc6 77.Ka5 Qb5) 0–1. Lamothe,Jean – Caiafas,Theophilus, Dubai ol (Men), 1986. (=1.e4 c5 2.b4 cb4 3.a3 Nc6 4.ab4 Nb4 5.c3 Nc6 6.d4 d5 7.ed5 Qd5 8.Na3 Bf5)

9.Nf3 e6 10.Bc4 Qe4= 11.Be3 Nf6 12.0-0 Be7 13.Re1 (13.Ng5 Qh4 14.Qb3 Rb8+=) 13...0-0=+ 14.h3 Na5 15.Bd2 (15.Bg5 Qc6 16.Ne5 Qc7=+) 15...Qc6=+ 16.Ne5 Qc8 17.Bf1 (17.g4!? Nc4 18.Nac4=+) 17...Ne4-/+ 18.g4 (18.Ra2!?-/+) 18...Nd2-+ (18...Nc3? 19.Bc3 Qc3 20.gf5 Ba3 21.Re3+-) 19.Qd2 (19.gf5 Nf1 (19...Qc3 20.Nb5 Qb4 21.Ra4+=) 20.Rf1 ef5-+) 19...Nb3 20.Qb2 (20.Qe3 Na1 21.Ra1 f6 22.gf5 fe5 23.fe6 Ba3 (23...Qe6?? 24.Bc4 Qf7 25.Bf7 Rf7 26.Nc4+-) 24.Ra3 Qe6 25.de5 Rf5-+) 20...Na1 21.gf5 (21.Qa1 Bg6-+) 21...Ba3 22.Qa3?? (22.Qa1 Bd6 23.fe6 fe6 24.Bc4-+) 22...Nc2 23.Qc1 Ne1 24.f6 (24.fe6 f6 25.e7 Rf7 26.Nf7 Nf3 (26...Kf7?! 27.Qe1 Qe6 28.Qb1-+) 27.Kg2 Nh4 28.Kg3 Nf5 29.Kg2 Kf7-+) 24...Qd8 (better 24...gf6 25.Ng4 Kh8 26.Qe1 Rg8-+) 25.Ng4 (25.fg7 Kg7 26.Qe1 Qg5 27.Bg2-+) 25...h5 (better 25...Nf3!? 26.Kh1 h5 27.fg7 hg4 28.Qh6-+) 26.fg7 (26.Nh2 Qf6 27.Qe1-+) 26...hg4 (better 26...Nf3 27.Kg2 Nh4 28.Kh2 Re8-+) 27.Qh6 (27.gf8Q Kf8 28.Qe1 gh3 29.Qe3-+) 27…Qh4! (27...Qh4 28.gf8B Nf3 29.Kg2 Rf8 30.Qh4 Nh4 31.Kg3 Nf5 32.Kf4 gh3 33.Bh3 Rc8 34.Bf5 ef5-+) 0–1. Franca,Willian Bento (2060) – Umetsubo,Cesar Hidemitsu (2305), Florianopolis Brazil, Zonal SC, 2015. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

9.Nf3 Nf6 10.Bc4 (10.Nb5 Rc8 11.c4 Qe4 12.Be2 a6=+) 10...Qe4 11.Be2 e6 12.0-0 (12.Nb5 Rc8 13.Na7 Ra8=) 12...Be7 13.Re1 Qd5 (13...Ba3 14.Ra3 Qc2 15.Qc2 Bc2 16.Bg5=+) 14.Nb5 Qd8 15.Bf4 (15.Nh4 Be4 16.f3 Bg6 17.Ng6 hg6=+) 15...0-0-/+ 16.Ne5 Nd5 17.Qd2 (17.Bg3 a6 18.c4 Ndb4 19.Nc6 bc6-/+) 17...a6 18.Na3 (18.Nc6 bc6 19.Na3 c5-/+) 18...Nf4 19.Qf4 Ne5 20.Qe5 b5 21.Rec1 Rc8 22.Bf3 (better 22.Nb1!?-+) 22...Bg5 23.Rd1 Rc3 24.Nb1 Rd3 25.Rd3 Bd3 26.Qe1 Qd4 27.Nc3 (27.Ra6 Rb8-+) 27...Rc8 (better 27...Qb4-+) 28.Na2 (28.Ra6 h6 29.Na2-+) 28...Bd2! 29.Qd2 (29.Qd1-+) 29...Qa1 30.Bd1 Bc2 31.Nc1 (31.Nb4 Bd1 32.h4 a5-+) 31...Bd1 32.Qd7 Qc1 (32...Qc1 33.Qc8 Qc8-+) 0–1. Jovanovic,Miroslav T (1900) – Ivic,Velimir (2230), Pojedinacno Prvenstvo Opstine – Belegis, 2016. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.d4 d5 6.c3 Nc6 7.ed5 Qd5 8.Na3 Bf5)

9.Nb5 Rc8

10.Na7 Ra8 11.Nb5 Rc8 12.Be2 (12.Nf3 Bg4+=) 12...e5 (better is 12...Qg2!? 13.Bf3 Qg6+=) 13.Ra8+= Qd8 14.Rc8 Bc8 15.d5 Nb8 16.d6 Na6 17.Bc4 Nf6 18.Nf3 Bg4?? (better is 18...Ng4+-) 19.Ne5 (19.Ne5 Be6 20.Be6 fe6 21.Qb3+-) 1–0. Orfali,Marcelo Rafael (2040) – Siegmund,Rainer (2145), Arvier op 2nd, 2005. (=1.e4 c5 2.a3 Nc6 3.b4 cb4 4.ab4 Nb4 5.c3 Nc6 6.