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TESTF520 Release 2023-03-24
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.f4 d6

(...)

4.a3 ef4?? 5.Nf3 Bc5 6.Bg7 Nf6 7.Bh8 Ne4 8.d4 Bg4 9.Qd3 Bf3 10.Qf3 (10.Qf3 Qh4 11.g3 fg3 12.hg3 (12.dc5 g2 13.Kd1 gh1Q–+) 12...Qg3 13.Qg3 Ng3 14.Rh3 Bd4 15.Bd4 Nf1 16.Kf1+–; 10.gf3? Qh4 11.Kd1 Nf2 12.Kd2 Nd3 13.Kd3 Bb6–+; 10.ef3 Kd7 11.Qe4 Qh8+–; 10.dc5 Qh4 11.g3 Ng3 12.Qf3 Nh1 13.Kd2 Qh2 14.Qb7 Ng3+–) 1–0. MrkT – seraphimvulture, internet, 2005.

4.c3 Bc5 5.fe5 de5 6.d4 ed4 7.cd4 Bb4 8.Bc3 Bd6 9.Nf3 f5 10.e3 Qe7 11.Ne5 Be5 12.de5 Nc6 13.Bb5 Qh4 14.g3 Qe4 15.Kf2 Nh6 16.h3 0-0 17.Qb3= Kh8 18.Nd2 Ng4! 19.hg4 fg4 20.Ke2 Qg2 21.Kd3 Bf5 22.e4 Rad8 23.Kc2 Rd2! 24.Kc1 Be6! 25.Qe6 Rc2 26.Kb1 Rc3 (26...Rc3 27.Rh7 Kh7 28.Qb3 Qe4 29.Kb2 Rf2 30.Be2 Re2 31.Kc3 Qd4#; 26...Qh1?! 27.Kc2 Qe4 28.Kb3+=) 0–1. Peter,Joseph – De Smet,Karl, corr, 1989.

4.c4 Be6 5.Qa4 (5.fe5 Qh4 6.g3 Qe4-/+) 5...Nc6 6.e3 (6.fe5 Qh4 (6...Bc4?! 7.ed6 f6 8.dc7 Qc7 9.Nf3=+) 7.Kd1 Bc4-/+) 6...Nf6 7.fe5 de5 8.Nf3 (8.Be5 0-0 9.Nf3 Qe7-/+) 8...e4 9.Nd4 Be7 (9...Qd6 10.Nc6 bc6 11.Bf6 gf6 12.Nc3 Bc3 13.dc3-/+) 10.Nc6 bc6 11.Bf6 Bf6 12.Qc6 Ke7 13.Nc3 Bc3 14.dc3 f5 15.Rd1 Qc8 (15...Bd7 16.Qd5=) 16.Be2 a5 (16...Bd7 17.Qc5 Kf7 18.0-0=) 17.0-0 Rd8 18.Rd4 (18.Rd8 Qd8 19.Rd1 Qc8=) 18...Rd6 (18...Ra6 19.Qc5 Kf6 20.Re4=) 19.Qc5+= Raa6 20.Qe5 Qf8 21.Re4! Qf6 (21...fe4 22.c5) 22.Rf5 (22.c5 Qe5 23.Re5 Rdc6 24.Ba6 Ra6 25.Rff5 Ra8+–) 22...Qe5+/– 23.Rfe5 (23.Ree5?! Rd2 24.Kf2 Ra2=) 23...Kf6 24.c5 Rd2 (24...Rdc6 25.Ba6 Ra6+–) 25.Ba6 (25…Bf5 26.Rd4 Ra2 27.Red5+–) 1–0. Zylla,Johannes – Werner, BSF–VM B–Turnier, 1994.

4.c4 Nf6 5.fe5 de5 6.Be5 Nc6 7.Bb2 0-0 8.Nf3 Re8 9.a3 Ba5 10.Nc3 Nd4 11.Nd4=+ Qd4 12.Qa4 Bc3 13.Bc3 Qh4 14.g3 Qe4 15.Rg1 Bg4 16.0-0-0 Nd5!–+ 17.Qb3 Nc3 18.Qc3 Rad8 19.d4 Qf5–+ 20.Re1 Qf2 21.Rg2 Qd4 22.Qd4 Rd4 23.e3 Rde4 24.Rb2 b6 25.Rb3 Kf8 26.Rc3 Ke7 27.c5 bc5 28.h3 Bd7 29.Rc5 Kd8 30.Rc3 R8e6 31.Bg2 R4e5 32.Kd2 Rd6 33.Kc1 c5 34.Re2 Bb5 35.Rd2 Ke7 36.Rb3 c4 37.Rc3 Rg5 38.g4 Rd2 39.Kd2 h5 40.Bf3 hg4 41.Bg4 Kd6 42.Be2 Rg2 (42...Rg2 43.h4 Rh2-/+) 0–1. Benassi,Aspasio (2085) – Oortwijn,Ron (2185), WC–2001–F–00002, 2001.

4.c4 Qh4 5.g3 Qf6 6.Bg2 -/+.

4.e3 Qe7 5.a3 Bc5 6.Nf3 Nd7 7.Bc4 (7.Nc3 Ngf6 8.fe5 Ne5-/+) 7...Ngf6 8.fe5 de5 9.0-0 0-0 (9...e4 10.Nd4 Ne5 11.Bb5 c6 12.Be2-/+) 10.Nh4 (10.Qe2 a5-/+) 10...Nb6 11.Bb3 Ne4 (11...Bg4 12.Qe1-/+) 12.Qh5 Bd6 13.Nf5 (13.Nf3 Be6-/+) 13...Bf5 14.Qf5 Nc5 15.Ba2 (15.Nc3 g6 16.Qf2 Nb3 17.cb3 f5-/+) 15...Nca4 (15...Nba4 16.Bc3-/+) 16.Bc1 (16.Bc3 a5-/+ (worse 16...Nc3 17.Nc3 g6 18.Qf3=)) 16...c5 17.Qe4 Kh8 (better 17...g6-/+) 18.d3? (better 18.Nc3 Nc3 19.dc3-/+) 18...f5–+ 19.Rf5 Rf5 20.Qf5 e4 21.g3? (21.Qe4 Qf6 22.d4 cd4 23.Qe6–+ (23.ed4?? Rf8 24.Bf7 Rf7–+)) 21...Qe5 22.Qe5 Be5 23.c3 Nc3 24.d4 (24.Nc3 Bc3 25.Rb1 ed3–+) 24…Ne2 (24...Ne2 25.Kg2 cd4–+ (25...Nc1?! 26.de5 Na2 27.Ra2–+); 24...cd4?! 25.Nc3 dc3 26.Rb1–+; 24...Na2?! 25.Ra2 cd4 26.ed4 Bd4 27.Kg2–+) 0–1. Pleschke,Helmut – Milde,Lars, Tigerschachclub, 2001.

4.e4 Qh4 5.g3 Qg4 6.Be2 Qg6-/+ 7.Bf3 ef4 8.Ne2 fg3–+ 9.Ng3 f6?? 10.Bh5+– Ne7 11.Bg6 hg6 12.Nc3 Rh4 13.d3 Bg4 14.Qd2 Nd7 15.d4 Bf3 16.Rf1 Bg4 17.Qf2 Bh3 18.Rg1 g5 19.0-0-0 Rf4 20.Qe3 g6 21.Nce2 Rg4 22.e5 Nd5 23.Qb3 c6 24.ef6 N7f6 25.c4 Nf4 26.Nf4 gf4 27.Qb4 fg3 28.Rg3 Rg3 29.hg3 0-0-0 30.d5 c5 31.Qa4 Nd7 32.Qa7 Re8 33.Qa8 Nb8 34.Qa4 Nd7 35.Bc3 Re3 36.Kd2 Rg3 37.Re1 Rg2 38.Kc1 Rf2 39.Re8 Kc7 40.Ba5 Nb6 41.Bb6 Kb6 42.Re7 Rf1+– 43.Kd2 Bg4 44.Qb5 Ka7 45.Qb7 1–0. dixi82 – dhub noire, ChessWorld.net, 2006.

4.fe5 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 Nc6 4.fe5 d6).

4.fe5 Ne7 5.a3 Bc5 6.ed6 Qd6 7.e3 0-0 8.Nf3 Bg4 (8...Qb6!? 9.Qc1 Be6=+) 9.Nc3= Nbc6 10.Ne4 Qd5 11.Nc5 Qc5 12.Bd3 Ng6 13.0-0 Nce5 (13...Nge5 14.Be2 Nc4 15.Bd4=) 14.Bd4 Qd6 15.Be2 Nf3 (15...f6 16.Bc3+=) 16.Bf3 (worse 16.gf3 Bh3 17.Rf2 Nf4=+) 16...Bf3 17.Rf3 (worse 17.gf3 Nh4=+) 17...f6 18.Qb1 b6 19.Qb3 Kh8 20.a4 c5 21.Bc3 Rab8 22.Raf1 Ne5 23.Be5 Qe5 24.Rf5 Qe7 25.R1f3 Rbd8 26.d3 g6 27.R5f4 f5 28.a5 Rd6 29.ab6 ab6 30.e4 Rdf6 31.Qc3 Kg8 32.Rf2 b5 0–1. the_caboose (2310) – alleyb (1700), gameknot.com, 2014.

4.fe5 Nh6 5.Nf3 Bg4 (5...de5!? 6.Be5 0-0+=) 6.ed6= Nf5 (6...0-0 7.dc7 Qc7 8.Nc3+=) 7.dc7 Qc7 8.e4 Bf3 9.Qf3 Qc2 10.Bb5 (10.ef5 Qb2 11.Bb5 Kd8 12.Qb7 Bd2 13.Kf2 Be1 14.Ke1 Qa1 15.Qd5 Kc8+=) 10...Nc6 11.Bc3 (better is 11.Bc6!? bc6 12.ef5 (12.Qf5? Qb2 13.0-0 Qa1–+) 12...Qb2 13.Qc6 Ke7 14.0-0=) 11...Bc3 12.Nc3 Rd8?? (12...Nfd4 13.Qf4 Nb5 14.Nb5+=) 13.0-0?? (better is 13.Bc6 bc6 14.ef5 Qd2 15.Kf1+–) 13...Nh6= 14.e5 0-0 (14...Qd2 15.Rad1 (worse is 15.Bc6 bc6 16.Rad1 0-0 17.Rd2 Rd2+–) 15...Qg5 16.Bc6 Kf8 17.Bb7 Rd1 18.Rd1+–) 15.Bc6 bc6 16.Rac1 Qd2+= 17.Rfd1 Qg5 18.Ne4 Qe5 19.Rd8 Rd8 20.Rd1 Rd5 21.Nc3 f5?? 22.Nd5+– Ng4? 23.h3 Nh2 24.Qb3 Nf3 25.Qf3 cd5 26.Qd5 Qd5 27.Rd5 1–0. Fournier,Frederic – Chalvet,Philippe, Partie Libre (Active), 1994.

4.Nf3 ef4?? 5.Bg7+– Nf6 6.Bh8 d5 (6...Nc6 7.a3 Bc5 8.Bf6 Qf6 9.Nc3+–) 7.c3 Bd6 8.Qc2 (8.Qa4 Nbd7+–) 8...Nbd7 (8...Nc6 9.c4+–) 9.Ng5 (better 9.c4 dc4 10.Qc4 c6+–) 9...Nb6 10.Nh7 (better 10.a4 Qe7 11.Nf3+– (11.Nh7?! Ng4 12.h4 Bd7+–)) 10...Ne4+– 11.g3 fg3 12.d3?? (12.h4 Bf5 13.Nf6 Ke7 14.Bg7=+) 12...Qh4–+ 13.Bg2?? (13.Bf6 Nf6 14.Nf6 Ke7 15.Kd1 gh2 16.Ng8 Kf8 17.Nd2 Kg8 18.Nf3–+) 13...gh2 (13...Qh7 14.de4 Qh8 15.hg3 Bg3 16.Kd1-/+) 14.Kd1 Nf2 15.Kc1 (15.Kd2 Bf5 16.Bd4 Bh7–+) 15...Qh7 16.Bd4 Qg6 17.Bb6 (17.Bd5 Qg1 18.Qd1 Qg5 19.Qd2–+) 17…Qg2 (17...Qg2 18.Rh2 Qg1 19.Kd2 Bf4 20.e3 Bh2–+) 0–1. alleyb (1745) – cimabue (2075), gameknot.com, 2014.

4.c4 Nc6

5.Nc3 ef4 6.Nf3 Bc3 7.Bc3–+.

5.Nc3 Nf6 6.Nd5 Ne4 (6...Bc5!?–+) 7.Nb4-/+ Nb4 8.fe5 (8.g3!?-/+) 8...Qh4–+ 9.g3 Ng3 10.Nf3 (10.hg3 Qg3 Mate attack) 10...Qe4 (10...Qh6!? 11.Rg1 Nf1 12.Rf1 Nc6 13.ed6 cd6-/+) 11.Qa4= Nc6?? (better 11...Bd7 12.Qb4 Nh1=) 12.hg3+– 0-0 13.ed6 Bg4 (13...Re8 14.Kd1 Bg4 15.Rh4 cd6 16.Qb3+–) 14.Bg2 Nd4 (14...cd6 15.Qb3+–) 15.Nd4 (better 15.Bd4!? Bf3 16.Bf3 Qd4+–) 15...Qg2 16.0-0-0 cd6 17.Qc2 g6?! (17...f5+–) 18.Rdg1 Qf2 19.Qc3 f6 20.Qa5 Rac8 (20...Rf7 21.Qd5 Rc8+–) 21.Qd5 Kh8 22.Rf1 Qg3 23.Ne6 Be6 (23...Bf5 24.Nf8 Rf8 25.Qb7 h5 26.Rf5 Qg4 27.Rf6 Kg8 28.Qd5 Kg7 29.Rf7 Kh6 30.Bg7 Kh7 31.Bf8 Kh8 32.Rh7 Kh7 33.Qf7 Kh8 34.Qg7) 24.Rf6 Bd5 25.Rf8 1–0. Pereira – Lillilu, internet, 2020.

5.Nf3 Qe7 6.a3 Bc5 7.Nc3 Nf6 (7...ef4?? 8.Nd5 Qd7 9.Bg7+–) 8.Nd5 Nd5 9.cd5 Nd4 (9...e4!? 10.Ng1 Nd8-/+) 10.Nd4=+ ed4 11.Bd4 Bd4 12.Qa4 Bd7 13.Qd4 0-0 14.e3 c5 15.dc6 Bc6 16.h4 Rfe8 17.h5 h6 18.Rh3 Qe4 (18...Kh8 19.Bd3=) 19.Qe4= Be4 20.g4 Rac8 21.d3 Bd5 22.Kd2 Rc5 23.e4 Be6 24.d4 Rc7 25.Rg3 Rec8 26.Bd3 Bc4 27.Rc1 Bd3 28.Rc7 Rc7 29.Kd3 (29.Rd3 b5+/–) 29...Rc1 30.Kd2 Rf1 31.f5 Rf2 ½–½. marekt – NathanStack, ChessWorld.net, 2004.

5.Nf3 Qe7 6.a3 Bc5 7.Nc3 Nf6 8.Nd5 Qd8 9.e3 0-0 10.Qc2 h6 11.Be2 Nd5 12.cd5= Ne7 13.fe5 Nd5 14.0-0 Qe7 15.Rac1 Bb6 16.Bc4 Be6 17.ed6 Qd6 18.Nd4 c6 19.Ne6 Qe6 20.Rf3 Rad8 21.Rg3 g6 22.Rf1 Kh7 23.Bf6 Rd7 24.Rh3 Re8 25.Bg5 Qh3 26.gh3 hg5 27.Bd5 cd5=+ 28.Qa4 Ree7 29.Kg2 Kg7 30.Qg4 Kh6 31.h4+= gh4 32.Qh4 Kg7 33.Rf3 Re6 34.Rh3+/– Kf8 35.Qg5 d4 36.e4 Rde7 37.d3 Ke8 38.Rh8+– Kd7 39.Rb8 Kc7 40.Qf4 ½–½. pierre – Jacek Byrski, ChessHere.com, 2005.

5.Nf3 f6 6.a3 Ba5 7.e3 -/+.

4.e3 Nc6

5.a3 Ba5 6.Nf3 f6 7.fe5 fe5 8.Bc4 Nf6 9.0-0 Bg4 10.Qe1 Qd7 11.Nc3 0-0-0 12.Nd5 Rhf8 13.Nb4 Ne7 Black gets the initiative 14.Be2 c5 15.Na2 Ned5 16.Qd1 e4 17.Ng5 Be2 18.Qe2 h6 19.Nh3 Qa4 20.Rac1 g5 21.Nf2 Kb8 22.Nd1 Nd7 23.Rf8 Rf8 24.Ndc3 Nc3 25.Nc3 Qc6 26.d3 ed3 27.cd3 Re8 28.Ne4 d5 29.Nf2 Bc7 30.e4 Qe6 31.Re1 de4 32.de4 c4 33.Bd4 Ne5 34.Qb2 Nc6 Black gets deadly initiative 35.Rb1 b6 36.Bc3 Bd6 37.a4 Bc5–+ 38.e5 Rf8 39.Rf1 Qg4 40.g3 h5 41.Qd2 Qf3 (41...Qf3 42.e6 h4–+) 0–1. Pommerel,Wim – Steinmann,Joachim, corr 3GMM–F, 2002.

5.Bb5 Qe7 6.Bc6 bc6 7.fe5 de5 8.Nf3 Bd6 9.0-0 Nf6 10.c4 c5 11.Qb3 0-0 12.Nc3 c6 13.e4 Be6 14.d3 a5 15.Rab1 Rfb8 16.Qa4 Bd7 17.a3 Ng4 18.Rfe1 f5 19.ef5 e4? (Better is 19...Bf5!? 20.Qc6 Rd8+=) 20.Re4 Qf7 21.Rg4+– Bf5 22.Re4 Be4 23.Ne4 Bf8 24.Qc6 Rc8 25.Qa4 Qd7 26.Qd7 1–0. Bonetti,Shane – Good_BadandUgly, ICC, 2002.

5.fe5? Qh4 6.g3 Qe4 7.Nf3 Ne5-/+.

5.Nf3 (--> 4.Nf3 Nc6 5.e3).

4.e3 Nd7

5.Qg4 Ngf6 6.Qg7 Rg8 7.Qh6 Rg6 8.Qh4 Qe7 9.Nc3 Bc3 10.Bc3 ef4 11.Qf4 Nd5 12.Qd4 Nc3 13.Qc3 Qh4 14.Kd1 Qf6 15.Ne2 Qc3 16.Nc3 c6 17.h3 h5 18.Ne2 h4 19.Nf4 Rg5 20.Be2 Nf6 21.Rf1 Ke7 22.d3 Be6 23.Bf3 d5 24.a4 b6 25.a5 b5 26.a6 Rb8 27.Kd2 Rb6 28.Ra5 Bc8 29.Re1 Re5 30.d4 Rg5 31.c3 Bf5 32.Raa1 Ne4 33.Be4 Be4 34.Re2 Rb8 35.Kd1 Rbg8 36.Raa2 Rg3 37.Rad2 R8g5 38.Kc1 Kd6 39.Kb2 Kc7 40.Kc1 Kb6 41.Ra2 Rf5 42.Kd1 Rf4 43.ef4 Rc3 44.Red2 f5 45.Ke1 b4 46.Rdb2 Kb5 47.Kf2 b3 48.Ke1 Kb4 49.Kd2 Rd3 50.Kc1 Rd4 51.Ra1 c5 52.Rf2 c4 53.Raa2 c3 54.Rae2 Rc4 55.Re1 d4 56.Rfe2 d3 57.Rd2 Rc6 58.g4 hg3 59.Rg1 Ra6 60.Kb1 c2 61.Rc2 dc2 62.Kb2 Ra2 63.Kc1 g2 64.Kd2 a5 65.Ke3 a4 66.Kd4 b2 67.Ke5 c1Q 68.Rg2 Qc7 69.Kf6 b1Q 70.Rh2 Rh2 71.h4 Qb2 72.Ke6 Rd2 73.h5 Qd7# 0–1. PostModernist – Elgindy, ICS, 1999.

5.Qg4 Ngf6 6.Qg7 Rg8 7.Qh6 Rg6 8.Qh4 Rg4 9.Qf2 ef4 10.ef4 Qe7 11.Kd1 Qe4 12.Nh3 Nd5 13.Bd3+/– Qg2 14.Qg2 Rg2 15.Be4 Rg8 16.Bd5 +/–. Papp – Erdelyi, Kecskemet, 1979.

4.e3 f6

5.Bd3 Be6 6.f5 Bd5 7.Qg4 Qe7 (7...Qd7!?-/+) 8.Qb4= Na6?? (Better is 8...Bg2 9.Be4 Nc6=) 9.Ba6+– ba6 10.e4 Bc6 11.Nc3 Nh6 12.Nf3 0-0 (12...g6+–) 13.Qc4 d5 14.Qc6 d4 15.Nd5 Qf7 16.Qc7 Qh5 17.0-0 Rac8 18.Ne7 Kh8 19.Nc8 g5 20.Ne5! g4 21.Nd7 Rf7 22.Bd4 g3 23.Qd8 Ng8 24.Bf6 1–0. Bonetti,Shane – ChrisB, ICC, 2002.

5.Qh5 g6 6.Qh4 e4 7.Nh3 d5 8.Be2 Nc6 9.0-0 Bf5 10.g4 Be6 11.f5 gf5 12.Nf4 Bf7 13.Nh5 Bh5 14.Qh5+= Kf8 15.Qf5 Nce7 16.Qh5 Ng6 17.g5 Be7 18.c4 c6 19.cd5+/– Qb6 20.Bf6 Bf6 21.gf6 cd5 22.Qd5 Nf6 23.Bc4 Kg7 24.Qf7 Kh6 25.Qf6 Qb4 26.Rf4 (26.Rf4 Qa5 27.Rh4 Qh5 28.Rh5 Kh5 29.Nc3+–) 1–0. Bonetti,Shane – Hole,Terrence, T8–09 ETC, 2003.

4.fe5 Be6

5.a3 Bc5 6.d4 Bb6 7.ed6 Ba5 8.Nd2 cd6 9.Ngf3 Qb6 10.Qc1 Nf6 11.e3 Ne4 12.c3 f5 13.Be2 0-0 14.0-0 Nd7 15.c4 Rac8 16.Ne4 fe4 =+.

5.c3 Ba5 6.Qa4 Nc6 7.Nf3 Nge7 8.e4 0-0 9.d4 de5 10.d5 Nd5 11.ed5 Bd5 12.Bb5 e4 13.Nd4 Nd4 14.Qd4 Qg5 15.Qf2 e3 16.Qg3 Qg3 -/+.

5.Nf3 de5 6.Ne5 Bd6 7.e3 Qh4 8.g3 Qg5 9.Nd3 Bd5 10.e4 Be4 11.Qe2 Nf6 12.Nc3 Kd8 13.Ne4 Ne4 14.0-0-0 Re8 15.Qf3 f5 16.Bg2 Nd7 =+.

4.fe5 Bf5

5.ed6 Qd6?? 6.Bg7+– Nf6 7.Bh8 Ne4 8.Nf3 Qb6 9.Bd4 Qb5 10.e3 Qa5 11.a3 Bd6 12.Bc4 c5 13.Be5 Nc6 14.Bd6 Nd6 15.Bd5 0-0-0 16.Bc6 bc6 17.Ne5 Kc7 18.0-0 c4 19.Nf3 Bg4 20.h3 Bh5 21.Nc3 Nb5 22.Nb5 cb5 23.c3 Qb6 24.g4 Bg6 25.Nd4 a6 26.Qf3 Rd7 27.h4 Kb8 28.a4 b4 29.cb4 Ka7 30.Nc6 (30.Nc6 Ka8 31.b5+–) 1–0. jjjooojjjoojjoj (2065) – clavecinist (2065), net–chess.com, 2005.

5.Nf3 de5 6.Ne5 Nf6 (6...Nh6 7.e3 0-0 8.Bc4=+) 7.e3= 0-0 (7...Nbd7 8.Bb5 0-0 9.0-0=) 8.Bd3 Bd3 9.Nd3 Ba5 (9...Be7 10.0-0+=) 10.0-0+= Qd6?? (better 10...Nbd7+=) 11.Rf6!+– gf6 12.Qg4 Kh8 13.Qf5 Nd7 14.Qa5 Rg8 15.Nc3 b6 (15...Qc6 16.Qd5 Rae8 17.g3+–) 16.Qd5 Qe7 (16...Rae8 17.Rf1+–) 17.Ne4 Rad8 (17...Rae8 18.Nf6! Nf6 19.Qf5+–) 18.Qf5 Rg6 19.Nf4 Rh6 (19...Kg8 20.Rf1 c6 21.Ng6 fg6 22.Bf6 gf5 23.Be7+–) 20.Nf6! Nf6 (20...Nf6 21.Nd5 Double attack (21.Nd5 Decoy); 20...Rf6 21.Bf6 Double attack (21.Nd5 Decoy)) 21.Qg5 Rd2 (21...Qf8 22.Bf6 Rf6 23.Qf6 Kg8 24.Qg5 Kh8+–) 22.Qh6 Qe3 23.Kh1 (23.Kh1 Rd4 24.Qf6 Kg8 25.Bd4 Qd4 26.Qd4 f5 27.Re1 c5 28.Qd7 b5 29.Re8) 1–0. Mister – Bsd, internet free game, 2018.

4.Nf3 e4??

5.Bg7 ef3 6.ef3 Qe7 7.Kf2 Nc6 8.Bb5 Nf6 9.Bh8 Nd5 (9...Be6 10.c3 Ba5 11.g3+–) 10.g3 Bc5 (10...Be6 11.Bd4 0-0-0 12.Bc6 bc6 13.Nc3 Nf4 14.gf4+–) 11.d4 Bb4 12.Qd3 Bd7 13.c3 0-0-0 14.Re1 Qf8 15.Bf6! (15.cb4?! Ndb4 16.Qd2 Qh8+–) 15...Nf6 16.Bc6 bc6 (16...Bc6 17.cb4 Qh6 18.h4+–) 17.a3 Qh6 (17...Bc5 18.dc5 Nd5 19.Nd2 dc5 20.Nb3+–) 18.Kg1 (18.ab4?? Qh2 19.Ke3 Nd5 20.Ke4 Re8; 18.cb4?? Qh2 19.Ke3 Nd5 20.Ke4 Re8) 18...Bc5 19.dc5 Qh5 20.cd6 Qc5 21.Qd4 Qd4 22.cd4 Be6 23.Nc3 cd6 24.Rac1 Kc7 (24...Kd7 25.Rb1 Kc7 26.g4+–) 25.f5! Bc4 (25...Bf5 26.Re7 Double attack) 26.Ne4 Ne4 27.Rc4 (worse 27.fe4 Ba6+–) 27...Nd2 28.Re7 Rd7 29.Rd7 Kd7 30.Ra4 a5 31.Kf2 Nb3 32.d5! cd5 33.Rh4 Ke7 (33...Nd2 34.Rh7 Ke7 35.g4+–) 34.Rh7 Nd2 (34...Nd4 35.g4 Nc2 36.g5+–) 35.g4 Nc4 (35...Kf6 36.Rh6 Ke7 37.g5+–) 36.g5 Kf8 37.h4 Na3 (37...Kg8 38.g6 fg6 39.fg6 Na3+–) 38.f6 Kg8 39.Rg7 Kf8 40.h5 (40.h5 Nc4 41.h6+–) 1–0. pvanr (2175) – varcany (2180), gameknot.com, 2014.

5.Bg7+/– ef3 6.ef3 Qh4 7.g3 Qe7 8.Qe2 Be6 9.Bh8 Nc6 10.Nc3 0-0-0 11.f5 Nf6 12.Bf6 Qf6 13.fe6 Bc3 14.Bh3 Kb8?? 15.0-0-0 Nd4 16.Qd3 Bb4 17.f4?? Nb5 18.c3+– Ba3 19.Kc2 c6 20.ef7 Qf7 21.Kb1 Qc7 22.c4 Qg7 23.Qb3 (23.Qb3 Nd4 24.Qa3 Qg6 25.d3+–) 1–0. Schirmer,Michael – Krzyzanowski,J, Dortmund GER, 1991.

4.Nf3 Nh6

5.a3 Ba5 6.e4 Ng4 7.Qe2 0-0 8.h3=+ Nf6 9.fe5 de5 10.Nc3 Nh5 11.Qb5 Nc6 12.Ne2 a6 13.Qd5 Qe7 14.Qb3 Be6 15.Qe3 Qd6 16.g4 Nf6 Black gets deadly initiative 17.Ng3 Bb6 18.Qc3 Rad8 19.0-0-0 Bd4 20.Nd4 ed4 21.Qf3 Ne5 22.Qg2 d3 23.Nf5 Qc5 24.Ne3 Bb3 25.Re1 Bc2 26.g5 Nc6 27.gf6 g6 (27...g6 28.Bd3 Bd3 29.Kd1 Nd4–+) 0–1. Zylla,Johannes (2135) – Gierth,Karlheinz (2215), BdF T, 2004.

5.fe5=+ de5 6.Be5 0-0 7.e3 Nc6 8.Bc3= Bg4 9.Bd3 (9.Bd3 Qd5 10.0-0=+; 9.Bb5 Bc3 10.Nc3 Qd6=). lasker (2095) – neverwin (1750), internet, 2007.

4.g3 Nf6

5.Nf3 e4–+ 6.Nd4 0-0 7.c3 Ba5 8.d3 e3 9.Bg2 Re8 10.0-0 c5 11.Nc2 Ng4 12.Bc1 Nf2 13.Qe1=+ (13.Qe1 d5 14.Be3 Nh3 15.Kh1=+). Meybohm,Dirk – Klietz,J, corr DDR, 1989.

5.Bg2 ef4 6.gf4 Nc6 7.e3 Bg4 8.Ne2 Qe7 9.0-0 Qd7 10.d4 Bh3 11.Rf2 Qg4 12.Nbc3 0-0 13.d5-/+ Ne7 14.Qd4 Bc5 15.Qd3 Nf5 16.Ne4? Be3 17.Kh1?? Bf2 18.Bh3 Qh4 19.Nf2?? Qf2 20.Bf6 Rae8 21.Bf5 Re2-/+ 22.Qg3? Qg3–+ 23.hg3 gf6 (23...gf6 24.Rb1 Rfe8 25.Rb7 Rd2–+) 0–1. Meybohm,Dirk – Strohmeyer, corr DDR, 1989.

4.a3 Ba5

5.e4 Nc6 6.Nf3 (6.Bb5 Nf6-/+ 7.fe5 Ne4 8.Nf3 0-0 9.Bc6 bc6 10.0-0 Rb8 11.Bd4) 6...Nf6 7.Bd3 (7.fe5!? Ne5 8.Ne5 de5 9.Qf3-/+ Qd6 10.Bd3 0-0 11.Qg3) 7...ef4–+ 8.0-0 (8.Nd4 Bg4 9.Nc6 bc6–+ 10.Be2 Rb8 11.Bd4) 8...0-0 9.Nc3 (9.Qe1 Re8 10.Nc3 d5 11.e5) 9...Re8 10.Nd5 (10.Qe1 d5 11.e5 Ng4–+) 10...Ne4 11.c4 (11.Be4–+) 11...f5 (11...Bb6 12.Nb6 cb6 13.Qc2-/+) 12.Be2 Ne5 13.d3 Nf3 14.Rf3 Ng5 15.Rf1 (15.Rf2 f3! 16.Bf3 Re1 17.Qe1 Be1 18.Re1 Be6–+) 15...c6 16.Nb4 Qb6 17.Rf2 f3 (17...d5 18.Bh5 Rd8 19.Qc2–+) 18.Bf3 Qe3 19.Nc2 Nf3 20.gf3 (20.Qf3 Qf3 21.Rf3 Re2–+) 20...Qh6 21.f4 Bb6 22.Bd4 c5 (22...Bd4 23.Nd4 Qf6 24.Nf3–+) 23.Bb2 (23.Bc3 Bd7–+) 23...Bd7 24.Rg2 g6 (24...Re7 25.Qd2–+) 25.Qd2 Bc6 26.Qc3 (26.Rg3 Ba5! 27.Qf2 Re6–+) 26...Bd8 27.Rf2 Bh4 28.Rd2 Re6 29.Rf1 Rae8 30.d4 (30.Qh8 Kf7 31.Qc3 Bg5–+) 30...Re2 31.d5 (31.h3 Bf6 32.Re2 Re2–+) 31...Bf6! 32.Re2 (32.Qf6 Qh2 Mate attack) 32...Bc3 33.Re8 Be8 34.Bc3 Qh3 35.Ba1 Qg4 (35...Qg4 36.Kh1 Ba4–+) 0–1. Tiedemann,Joern (2125) – Liebsch,Hardy (2330), RSS7E easy–10, 2005.

5.fe5 Nc6 6.ed6= Qd6?? (better 6...Nf6=) 7.Bg7+– Ne5 (7...Nf6 8.Bh8 Ng4 9.Nf3+–) 8.Bh8 Bg4 (8...Ng4 9.Nf3 Nh2 10.Qc1 Qg3 11.Kd1+–) 9.Be5 Qe5 10.c3 0-0-0 11.Qa4 Bf5 (11...Nf6 12.e3+–) 12.Nf3 Qc5 13.e3 Nf6 14.Qf4 Ne4 (14...Nd7 15.Bc4+–) 15.Nh4 Nc3 (15...Nd6 16.Nf5 Qf5 17.Qf5 Nf5 18.g3+–) 16.Qf5 Qf5 17.Nf5 (17.dc3?? Qc2 18.Bd3 Rd3–+; 17.Nc3? Qc5 18.Be2 Rd2 19.Bg4 Kb8 20.Kd2 Bc3 21.Ke2 Qc4 22.Kf3 h5–+) 17...Nb1 18.Rb1 Bd2 (18...Rd2 19.Rb5 Bc3 20.Rc5 Rd3 21.Kf2 Rd2 22.Kf3+–) 19.Kf2 1–0. Pierre – The_Winner, internet, 2020.

5.fe5 d5 6.Nf3= Bg4 7.e3 f6 (7...c6 8.h3 Be6 9.Be2=) 8.h3 Be6 (8...Bf5 9.Be2=) 9.Nd4+= Kd7 (better 9...Qd7!?+=) 10.Ne6+– Ke6 11.Qg4 f5?? (better 11...Kf7+–) 12.Qg7+– Ne7 13.Qf6 Kd7 14.e6 Kc8 (14...Kc6 15.Qh8 Qh8 16.Bh8+–) 15.Qh8 Nbc6 (15...Qh8 16.Bh8 c5 17.g4+–) 16.Qh7 (16.Qh7 Qd6 17.Qh8 Nd8 18.Qf8 Qe6 19.Bf6+–; 16.Bd3 d4 17.Bd4 Nd4 18.Qd8 Kd8 19.ed4 Bb6+–) 1–0. Maestro – Hurma, internet, 2020.

5.fe5 Nh6 6.ed6= 0-0 7.Nf3 (7.dc7 Bc7 8.g3 Ng4=) 7...Re8 (7...Qd6 8.e3 Re8+=) 8.e3 (better is 8.dc7!? Qc7 9.c3=) 8...Re3-/+ 9.Be2 Re8 (9...Qd6 10.Bc3 Bc3 11.Nc3-/+) 10.0-0 (10.dc7!? Qc7 11.0-0+=) 10...Qd6-/+ 11.Kh1 Bg4 12.a4 Nd7 13.Bc3 Bc3 14.Nc3 Rad8 15.Rb1 Nc5 16.Bc4 Bh5 17.Ba2 (17.d4 Nf5 18.Nd5 Ne4-/+) 17...Ne4 (17...Qa6!?–+) 18.Ne4-/+ Re4 19.Rb5 c5 20.Rb7 Ra4 21.Rb2 Rf4 22.Qe1 Bf3 23.gf3 g6 (23...Qd2?? 24.Qd2 Rfd4 25.Qg5+–) 24.c3 a5 25.Bb1 Ng4! 26.Qe2 (26.fg4 Rf1 Double attack (26...Qc6 Decoy)) 26...Nf6 27.Ba2 a4 28.Rb7 Rd7 29.Rd7 Nd7 30.Qe3 a3 31.Re1 c4 32.Kg2 Rh4 33.h3 Nf6 34.Re2 (34.Qf2 g5–+) 34...Qd7 35.f4 Qb7 36.Kg1 Qc8 37.Kg2 Kg7 (37...Nh5 38.Qe8 Qe8 39.Re8 Kg7 40.f5–+) 38.Rf2 Qc6 39.Kg1 Qe4 40.Qe4? (40.Qg3 Qe1 41.Kg2–+) 40...Ne4 (40...Ne4 41.Rf3 Nd2–+) 0–1. pvanr (2240) – conde7 (2565), gameknot.com, 2015.

5.Nf3 Nf6 6.fe5=+ de5 7.Be5 Nc6 8.Bc3 Bb6 (8...a6 9.e3=+) 9.e3= Ne4 10.Bg7 Rg8 11.Bb2 Be6 (11...Be3 12.Qe2 Bf2 13.Kd1 Bf5+–) 12.Nc3+= Ng5 (12...Nc3 13.Bc3 Qe7 14.Qe2+=) 13.Bd3 (13.Rb1 Bg4 14.Be2 Nf3 15.Bf3 Ne5 16.Bg4 Rg4+–) 13...Nf3 14.Qf3 (14.gf3?? Qh4 15.Kf1 Bh3 16.Ke2 Rg2 17.Kf1 Qf2) 14...Qh4 (better 14...Ne5!? 15.Qb7 Rb8+–) 15.g3+– Qe7 (15...Qh3 16.Bb5 0-0-0 17.Bc6 bc6 18.a4+– (18.Qc6?! Rg3 19.hg3 Qg3 20.Kf1 Bd5 21.Nd5 Qf3 22.Ke1 Qh1 23.Kf2 Qd5 24.Qd5 Rd5+=)) 16.Bh7 Bg4? (16...Rf8+–) 17.Qf4 Rg5 (17...0-0-0 18.Bg8 Rg8+–) 18.Ne4 Rb5 19.Nf6 Kd8 20.Qg4 Rb2 (20...Bc5 21.Bc3 Bd6+–) 21.Qg8 (21.Qg8 Qe8 22.Qe8) 1–0. Maestro – Benkol, internet, 2020.

5.fe5 de5

6.Nf3 f6-/+ 7.e3 Ne7 (7...Be6 8.Ne5 fe5 9.Qh5 Kd7 10.Qe5 Nc6 11.Qg7; 7...Bg4 8.Be2 Qd7 9.Ne5 Be2 10.Qe2 fe5 11.Qh5; 7...Nd7 8.Be2 (8.Bc3 Bb6 9.Bb5 Nh6 10.0-0 a6 11.Bc4) 8...Nb6 9.Bc3 Bc3 10.Nc3 Ne7 11.0-0) 8.Bc4 (8.Bd3 Qd5 9.Bc3 Bf5 10.Bf5 Nf5 11.Qe2) 8...Bg4 9.0-0 (9.h3 Bh5 10.g4 Bg6 11.Bc3) 9...e4 10.h3 Bf3 (10...Bh5 11.g4 Bg6 12.Nd4-/+) 11.gf3 Qd7 12.Kh2 (12.Kg2 Qf5-/+) 12...Qd6 13.f4 Nf5 14.Rg1 g6 15.Nc3 Bc3 16.Bc3 Nd7 17.Qb1 0-0-0 18.Qb2 g5 19.Rgf1 Nb6 20.Rab1 Nh4 (20...Nc4 21.Qb7 Kd7 22.Qb5 Qc6 23.Qf5 Qe6 24.fg5 Qf5 25.Rf5 Na3 26.Rb3 Nc2 27.Bf6+–) 21.d3 gf4 22.Rf4 Ng6 (22...Nc4 23.Qb7 Kd7 24.Qb5 Kc8 25.dc4 Nf3 26.Kh1+–) 23.Bf6 Nf4 24.Be5 Qg6 (24...Qc6 25.Bb5 Qg6 26.Rg1–+) 25.Bf4 Rhg8! 26.Bg8 Rg8 (26...Rg8 27.c3 ed3–+; worse is 26...Qg8 27.Qe5 (27.de4?? Rd2 28.Kh1 Qg2) 27...Qf7 28.Rg1+=) 0–1. Gross,Wilhelm – Vettenburg, corr KMG–41, 1999.

6.Be5 Nf6

7.Bc3 c5 8.e3 +=.

7.Bc3 Nc6 8.Nf3 (8.Ba5 Na5 9.Nf3 Bg4-/+) 8...b6 (8...0-0!?-/+) 9.e3+= Bg4 (9...0-0 10.Bd3+=) 10.Bb5= Qd5 11.Bc6 (11.Qe2 0-0 12.Ba5 Na5=) 11...Qc6 12.Ba5 ba5 13.Nc3 Bf3 (better is 13...Rb8!?+=) 14.Qf3+/– (worse is 14.gf3 0-0+=) 14...Qf3 15.gf3 0-0 16.Rg1 c6 (16...h6!?+/–) 17.Rg5 Rfd8 18.Ra5 Rdb8 (18...Nd5 19.Nd5 Rd5 20.Rd5 cd5 21.Rb1+–) 19.d4 Rd8 (19...g6 20.Kd2+–) 20.Rb1 Nd7 (20...g6 21.Ke2 Rd7 22.Kd3+–) 21.Rb7 Nb6 (21...a6 22.Ke2+–) 22.Ke2 Nc8 23.Rc7 Rd6 24.Rc5 g6 (24...Rh6 25.R5c6 Rh2 26.Kd3+–) 25.Ne4 Rd8 (25...Re6 26.d5 cd5 27.Rc8 Rc8 28.Rc8 Kg7 29.Nd2+–) 26.R5c6 Nb6 27.c4 Rdc8 (27...Rab8 28.Ra7 Nc8 29.Rac7+–) 28.c5 Rc7 29.Rc7 Nc8 (29...Nd5 30.Rd7 Nb6 31.cb6 ab6 32.d5+–) 30.d5 Kf8 (30...Nb6 31.cb6 ab6+–) 31.d6 Nd6 32.Nd6 (32.Nd6 a5 33.Rf7 Kg8 34.c6+–) 1–0. pgcbies – Haroldlee123, ChessWorld.net, 2015.

7.Bc3 Ne4 8.Ba5 Qd4 9.e3=+ Qa1 10.Bc7 Nc6 (10...Qf6 11.Nf3=+) 11.Nf3 (11.Bd3 Bf5=+) 11...Bg4 12.Nc3 Qd1 13.Nd1 Rc8 14.Bf4 Ne7 (14...Ke7 15.d4=+) 15.h3 (15.Bd3 Nc5=+) 15...Bd7 16.c4 Nf5 (16...Ng6 17.Bh2=+) 17.Rg1= f6 (17...Neg3 18.d3=) 18.d3 Neg3 (18...Nc5 19.d4 Ne6 20.g4=) 19.e4 g5 20.Bd2 (worse 20.ef5 A) worse 20...Nf1 21.Bg5 (worse 21.Kf1 gf4 22.Ke2 Bf5=+) 21...fg5 22.g4+=; B) 20...gf4 21.Nc3 Bf5-/+ (21...Nf1?! 22.Rf1 Bf5 23.Ke2=)) 20...Nh4 (20...Nf1 21.Kf1 Ne7 22.Bc3=) 21.Kf2 (21.Nh4 gh4 22.Nc3 Bc6+=) 21...Nf1 22.Rf1 Nf3 23.Kf3 f5 24.Bg5 fe4 25.Ke4 Bc6 26.Kd4 Bg2 27.Re1 Kf7 28.h4 h6 29.Bf4 Rcd8 (29...Bf3 30.Ne3=) 30.Kc3 Bf3 (30...h5 31.Ne3 Bh3 32.Bg5+=) 31.Ne3 (31.Be3 Kg6=) 31...Kg6 32.Rg1 (32.Rf1 Be2 33.Rg1 Kh5=) 32...Kh5 33.Nf5 (33.d4 Rhf8 (worse 33...Kh4 34.Nf5 Kh5 35.Be5+=) 34.Bg3 Rde8=+) 33...Rhf8 (33...Rdf8 34.Be5 Rh7=+) 34.Ng7= Kh4 35.Bg3 Kh3 (35...Kg5 36.Bf2 Kf6 37.Bh4 Kf7 38.Bd8 Rd8 39.Nf5+=) 36.Ne6 Rg8 37.Nf4 (37.Nd8!? Rg3 38.Re1=) 37...Kg4=+ 38.Bh2 Kf5 39.Rf1 Bc6 40.d4 ½–½. pcmvr – maxatan, net–chess.com, 2017.

7.Bc3 Ne4 8.Ba5 Qf6 9.Nf3 Qa1 10.Bc7 Nc6 11.Nc3 Qd1 12.Nd1 0-0 (12...Be6 13.d3 Kd7 14.Bf4+=) 13.d3 Nf6 14.c4 Re8 15.Nc3 Bd7 (15...Bg4 16.e4+=) 16.h3 Rac8 17.Bf4 a6 18.a4 (18.e4 b5 19.cb5 ab5=) 18...Na7 (18...Nh5 19.Bh2=) 19.Ne5 b5 20.ab5 ab5 21.Kd2 Be6 (21...b4 22.Nb1+=) 22.Be3= Ra8 (better is 22...b4!? 23.Ba7 bc3 24.Kc3 Bh3 25.gh3 Re5+=) 23.cb5+/– (worse is 23.Nb5 Nb5 24.cb5 Reb8-/+) 23...Nd5 24.Ba7 Nc3 25.Kc3 Ra7 26.Nc6 Ra1 (26...Ra3 27.Kb4 Ra1 28.d4=) 27.e4 (27.Kd4 Bd7+=) 27...Rea8 (27...Bd7 28.Kd4+=) 28.d4= Rc1 29.Kd2 Raa1 30.d5 Bc8 31.Ke2 Kf8 32.g4 f6 33.Kf2 Rc2 34.Ke3 Re1 35.Kf3 Rc3 36.Kf2 Re4 37.Rh2 (37.Bg2 Rc2 38.Kg3 Re3 39.Bf3+=) 37...Rf4-/+ 38.Kg1 Rcf3 39.Bg2 Rg3 40.Rh1 Rb3 41.Kh2 Rf2 42.Rg1 Bd7 43.Nd4 (43.b6 Rb6 44.Kg3 Rd2–+) 43...Rbb2–+ 44.Kg3 Rfd2 45.Ne6 Be6 46.de6 Ke7 47.Bf3 Rb5 48.Rf1 Rb3 0–1. pcmvr – abiodun (2875), net–chess.com, 2016.

7.e3 c6 8.Nf3= 0-0 (8...Be6 9.Be2=) 9.Bd3 Bg4 10.h3 Bh5 11.0-0 Nbd7 12.Bd4 Re8 13.a4 Bb6 14.Bf6 Qf6 15.Na3 (15.Nc3 Ne5 16.Ne5 A) worse 16...Bd1 17.Rf6 Re5 18.Rd6+=; B) worse 16...Re5 17.g4 Qd6 B1) 18.gh5 Re3 19.de3 Qg3 20.Kh1 Qh3 21.Kg1 Be3 22.Rf2 Qg3 23.Kh1 Bf2–+ (23...Qf2?! 24.Qg4 Bf4 25.Qh3=); B2) 18.Ne4 Re4 19.Be4+=; C) 16...Qe5=+) 15...Bc7 16.Qb1 Rab8 (16...Nc5 17.Nc4=+) 17.c3 Bf3 (better 17...Qh6!?=+) 18.Bh7+= Kh8 19.Rf3 (19.gf3? Qh4 20.Rf2 Qh7 21.Qh7 Kh7–+) 19...Qd6 20.Bc2 (20.Nc4 Qh2 21.Kf2 b5 22.ab5 cb5-/+) 20...Qh2 (20...Qd2!? 21.Rf7 Qe3 22.Kh1 Qg3-/+) 21.Kf2+= Nf6 (21...Ne5!? 22.Rf5 g6=) 22.d4+– Nd5 (22...Kg8 23.e4+–) 23.Qh1 (23.e4!? Nb6+–) 23...Qd6 24.Nc4 Qe7 (24...Qd7 25.Bf5 Qd8 26.Qc1+–) 25.e4 b5 26.ab5 (26.ed5?! bc4 27.Re1 Qh4 28.g3 Re1 29.Ke1 Bg3 30.Kd1 Re8=) 26...cb5 27.Qd1 (27.Na5 Rb6 28.Qf1 Rf6+–) 27...bc4 28.ed5 Rb2. Trokenheim,Marek (1825) – Duttagupta,Aniruddha (1785), FICGS, 2017.

7.e3 Qd5 8.Bf6+= gf6 9.Qf3 Qe5 10.c3 h5 (10...Nc6 11.Bd3+=) 11.d4 Qg5 12.Nh3 Qf5 (12...Bh3 13.Qh3 Nc6 14.Ra2+=) 13.Be2+/– Qc2 (13...Nc6 14.Nf2+/–) 14.0-0 c6? (better is 14...Bh3 15.Qh3 Nd7+/–) 15.Qf6+– Rg8 (15...0-0 16.Bc4 Qh7+–) 16.Qf7 Kd8 17.Qg8 Kc7 18.Ra2 Qb3 19.Qb3 1–0. lucya (2135) – jrralbalos, GameColony.com, 2002.

7.Nf3 Nc6 8.Bc3 Bb6 9.e3 0-0 10.Bd3 Re8 11.0-0 Bg4 12.h3 Bh5 13.Qe1 Nd5 14.Qg3 Nc3 15.Nc3 Bf3 16.Rf3 (16.Qf3 Ne5 17.Qf5 g6=) 16...Ne5 17.Rf5 Nd3 18.Rd5 Qe7 (18...Nb2 19.Rd8 Rad8 20.Qf3 Rd2 21.Qb7 Be3 22.Kh1 Rc2 23.Qb3=) 19.cd3 (19.Rd3 c6=+) 19...c6=+ 20.Rf5 Bc7 21.Qg4 Rad8 22.Raf1 Rf8 (22...Qd6 23.Ne4 Qh2 24.Kf2=) 23.Ne4= Kh8 (23...h6 24.Rh5 Kh8 25.Rf6=) 24.Rh5 (better 24.Qf3 f6 25.d4=) 24...g6?? (better 24...h6=) 25.Nf6+– Qf6 26.Rf6 gh5 27.Qh5 Rd5 (27...Rd7 28.d4+–) 28.Rf5 Rf5 29.Qf5 Rg8 (29...Bb6 30.d4+–) 30.g4 (30.Qd7 Bg3+–) 30...Bd8 (30...Kg7 31.Qg5 Kf8 32.Qc5 Kg7 33.Qd4 Kg6 34.Qa7+–) 31.Qf7 1–0. pcmvr – abhailey, net–chess.com, 2017.

7.Bc3 Bb6

8.e3 0-0 9.Nf3 Bg4 10.Bd3 Nc6 11.0-0 Re8 12.h3 Bh5 13.Qe1 Nd5 14.Qg3 Nc3 15.Nc3 a6 16.Ng5+= Bg6?? (better 16...Re5 17.Nh7 Kh8+=) 17.Bg6+– fg6 (17...hg6 18.Qh4 Qg5 19.Qg5 Rad8+–) 18.Qh4 h6 19.Qc4 Kh8 20.Nf7 (20.Nf7 Kh7 21.Nd8 Rad8 22.Rf2+–) 1–0. pvanr (2250) – postalpeet (1975), gameknot.com, 2015.

8.e3 0-0 9.Nf3 Bg4 10.Bd3 Bf3 11.Qf3+= c6 (11...Nbd7 12.Qb7 Nc5 13.Qf3 Nd3 14.cd3+=) 12.Bf6+/– Qf6 13.Qf6 gf6 14.Nc3 Nd7 15.Rf1 Ne5 16.Rb1 Nd3 17.cd3 Rab8 18.Ne4 Rfd8 19.Rb4 (19.Nf6 Kg7 20.Rb4+–) 19...Bc7? (better is 19...Rd3 20.Nf6 Kf8 21.Nh7 Kg7+=) 20.Nf6+– Kh8?! (20...Kf8 21.Nh7 Kg8 22.Rg4 Kh7 23.Rf7 Kh6 24.Rc7 Rd3+–) 21.Rh4 Kg7 22.Rh7 (22.Nh7?! Rd3 23.Rf5 Rd6+– (23...Ra3?? 24.Rg5 Kh8 25.Nf6)) 22...Kg6 (22...Kf8+–) 23.h4 Bg3 24.Ke2 Rg8 (24...Bh4 25.Rh4 Kg7 26.Rf5+–) 25.h5 Kg5 26.Ng8 Rg8 27.Rff7 1–0. pcmvr – rayfranke (2515), net–chess.com, 2016.

8.Nf3 0-0

9.e3 Bg4 10.Bd3 Nbd7 11.0-0 Nc5 12.Bb4 Re8 13.Bc5 Bc5 14.h3 Be6 15.Nc3 h6 16.Rb1 Qc8 17.Nh4 Nd7 18.Qh5 b6 19.Nf5 Bf5 20.Rf5 g6 21.Qh6 Bf8 22.Qg5 Qd8 23.Rbf1 Qg5 24.Rg5 Kg7 25.Bb5 Rad8 26.Rd5 Bd6 27.Rd4 Rh8 28.Ne4 Nc5 29.Nd6 Rd6 30.Rd6 cd6 31.Rf4 f5 32.Rd4 Rd8 33.Kf1 Kf6 34.a4 Ne4 35.d3 Nc5 36.Ke2 Kg7 37.Bc6 Kf6 38.Bf3 Ne6 39.Rc4 Re8 40.d4 Ke7 41.Bd5 Kd8 42.Kd3 Nc7 43.Bf3 Re7 44.Rc3 Kd7 45.Bc6 Ke6 46.a5 Nd5 47.Bd5 Kd5 48.a6 b5 49.Rc8 Rg7 50.c3 Re7 51.Rb8 Kc6 52.Rg8 Re6 53.Rc8 Kb6 54.d5 Rf6 55.Rc6 Ka5 56.g4 fg4 57.hg4 g5 58.e4 Rf3 59.Kd4 Rf6 60.Ke3 Rh6 61.e5 Rh3 62.Ke4 de5 63.d6 Rh8 64.d7 Rd8 65.Rd6 b4 66.cb4 Kb4 67.Rd5 Kb3 68.Ke5 1–0. chess_research (2200) – cimabue (2065), gameknot.com, 2014.

9.e3 Nc6

10.Bd3 Nd5

11.0-0 a6 12.Bb2 (12.Qe1 f5 13.Kh1 f4 14.ef4 Rf4 15.Be4 Rf8 16.Bb2 Nf6 17.Bc6 bc6) 12...Be3 (12...Re8 13.Ne1 Qg5 14.Nc3 Nc3 15.Bc3 Be6 16.Nf3 Qg4 17.Qe1 Bd5; 12...Be6 13.Nc3 f5 14.Bc4 f4 15.Kh1 Kh8 16.Bd5 Bd5 17.e4 Bc4) 13.de3 Ne3 14.Qe1 Nf1 15.Kf1 Re8 16.Qg3 f6 17.Nc3 Be6.

11.0-0 Bc5 A) 12.Qe1 Bd6 (12...Qe7 13.Bb2 f5 14.Kh1 Bd6 15.e4 fe4 16.Qe4 Qe4 17.Be4 Nce7; 12...Re8 13.Qg3 Nc3 14.Nc3 Bd6 15.Qf2 Be7 16.Be4 Bf6 17.d4 Bg4) 13.Bb2 Qe7 14.e4 Nb6 15.e5 Bc5 16.Kh1 Be6 17.Qe4 g6; B) 12.Bb2 Be3 (12...Bg4 13.Qe1 Be6 14.Qg3 f6 15.Nc3 Nc3 16.Bc3 Qe7 17.Rab1 Rab8; 12...Qe7 13.Qe1 f5 14.Qh4 Qh4 15.Nh4 Nce7 16.Nc3 Nc3 17.Bc3 Be6) 13.de3 Ne3 14.Qe1 Nf1 15.Kf1 Re8 16.Qc3 f6 17.Ng5 Ne5.

11.0-0 Be6 12.Bb2 Be3 13.de3 Ne3 14.Qe2 Nf1 15.Qe4 g6 16.Bf1 Bd5 17.Qd3 Qd6.

11.0-0 Qe7 12.Bb2 Be3 (12...f5 13.Kh1 Be6 14.Bb5 Rad8 15.Qe2 Na5 16.Ne5 c6 17.Bd3 Bc7) 13.de3 Ne3 14.Qe2 Nf1 15.Qe7 Ne7 16.Kf1 Bf5 17.Nc3 Bd3.

11.0-0 Re8 12.Kh1 (12.Bb5 Bd7=+ 13.Rf2 f5 14.g3 Ne3 15.de3 Be3 16.Qe2 Qe7 17.Nbd2 Rad8; 12.Ne1 Qg5 (12...Be6 13.Qh5 g6 14.Qh6 Nc3 15.Nc3 Bc5 16.Rb1 Rb8 17.Ne4 Bf8) 13.Bb2 Ne5 14.Nc3 Bg4 15.Qb1 Nd3 16.Nd3 Bh3 17.Rf2 Ne3) 12...Bg4 (12...Be3 13.de3 Ne3 14.Qc1 Nf1 15.Qf1= Qe7 16.Nbd2 Qc5 17.Bb2 Bg4) 13.h3= Bh5 14.Bb2 Ba5 (14...Qd6 15.Nc3= Nc3 16.Bc3 Rad8 17.Qb1 Bg6; 14...Nf6 15.Nc3 Ne5 16.Be2 Bf3 17.Bf3 Nc4) 15.Qe1 Bg6 (15...Qd6 16.Qh4 Bg6 17.e4= Nb6) 16.Bg6 (16.Qg3 Nf6= (16...Qd6 17.Qd6 cd6) 17.Ng5 Qd6) 16...hg6 (16...fg6 17.Qe2= Qd7) 17.Qe2 (17.Qf2 Qe7=; 17.Qg3 Qd6) 17...Nce7 (17...Qd6 18.Qf2=; 17...Nf6=) 18.Ne5+= Nf5 19.Qf3 Nf6 20.Nc4 c6 21.Na5 Qa5 22.Bf6 gf6 23.g4 Nd6 (23...Nh4 24.Qf2 (24.Qf6?? Qd5 25.Rf3 Nf3–+) 24...Qg5 25.Nc3= (25.Qf6?? Qd5 26.Rf3 Nf3–+)) 24.Qf6+= Qd5 25.Qf3 Ne4 26.Kg1 Re5 (26...Rad8 27.h4+=) 27.d3 (27.h4 Qe6+=) 27...Ng5+= 28.Qd5 (28.Qg3 Rae8 29.Nc3 Qc5+=) 28...cd5= (worse 28...Rd5 29.h4 Ne6 30.e4+–) 29.h4 Nh3 30.Kg2 Re3 31.Rf3 Rf3 32.Kf3 Rc8 33.Ra2 Kg7 (33...b5 34.Kg3 Ng1 35.c4 dc4 36.Rc2=) 34.Kg3+= Ng1 35.Kf2 (35.Rb2 Ne2 36.Kf2 Nc3 37.Nc3 Rc3 38.Rb7 Ra3+=) 35...Nh3 36.Kg3 (36.Kg2!? Nf4 37.Kf3=) 36...Ng1=+ 37.Kf2 Nh3 38.Kg3 ½–½. chess_research (2200) – marekt (2000), gameknot.com, 2014.

11.0-0 f5 12.Bc4 Be6 13.Kh1 Qe7 14.Bb2 Na5 15.Ba2 Nf6 16.Be6 Qe6 17.Nd4 Bd4 18.Bd4 Rad8 19.Bf6 Qf6 20.Ra2 Nc4 21.Qe2 Qe6 22.c3 f4 23.e4 c5 24.Rc2 Rf7 25.Rcc1 h6 26.Rce1 Ne5 27.Rd1 c4 28.Rf2 Nd3 29.Rf3 Qc6 30.Rdf1 Re7 31.g3 Re4 32.Qg2 0–1. gabrel (1985) – chess_research (2180), gameknot.com, 2014.

11.0-0 f5 12.Bc4 Be6 13.Kh1 Qe7 14.Bb2 Bc5 15.Qe2 Nb6 16.Bb5 Na5 17.Bc3 Nac4.

11.0-0 f5 12.Kh1 f4 (12...Be6 13.Bb5 Nc3 14.Nc3 Na5 15.Na4 Bc4 16.Bc4 Nc4 17.Qe2 Qd5; 12...Qe7 13.Bb2 Be6 14.c4 Nf6 15.Qc2 Ng4 16.Nc3 Nce5 17.Ne5 Ne5) 13.e4 Nc3 14.Bc4 Kh8 15.Nc3 Bg4 16.Bd5 Ne5 17.Bb7 Rb8.

7.e3 0-0

8.Bc3 Bb6 9.Bd3-/+.

8.Bc3 Bc3 9.Nc3 Nc6 10.Nf3 Bg4 11.Be2 Qd6 12.0-0 Rad8 13.Rb1 b6 14.Nb5 Qd7 15.Qe1 Bf3 (15...Rfe8 16.Rd1=+) 16.Bf3= Ne5 17.d3 a6 18.Nc3 a5 19.h3 Rfe8 20.Be4 Ne4 21.Ne4 f6 22.Qc3 h6 (22...Re6 23.Rf4=) 23.Rf6+= Kh8 (23...gf6 24.Nf6 Double attack) 24.Rf4+– Re6 25.Rbf1 Re7 26.Ng3 Nd3?? (better 26...Qc6 27.Qb2 Rde8+–) 27.Rd4 (27.Qd3?! Qd3 28.cd3 Re3+–; 27.cd3?! Qd3 28.Qc6 Qe3 29.Kh2 Qe6+–) 27...Qe8 28.Rd8 (worse 28.Rd3 Rd3 29.cd3 Re3 30.Qc7 Rd3+–; worse 28.cd3 Rd4 29.ed4 Rd7+–) 28...Qd8 29.cd3 (29.Qd3?! Qd3 30.cd3 Re3+–) 29...c5 (29...Qe8 30.e4 Rf7 31.Rf7 Qf7 32.Nf5+–) 30.Nf5 Rd7 (30...Rf7 31.Nh6 Rf1 32.Kf1+–) 31.Nh6 Kh7 (31...Qe8 32.Nf5 Kh7 33.Rf4+–) 32.Nf7 Qe7 (32...Qe8 33.Ne5 Rd6 34.Rf4+–) 33.d4 cd4 (33...Rd5 34.Ne5 Kg8 35.Rf7+–) 34.ed4 Qe8 (34...b5 35.Qf3 Qf7 36.Qf7 Rf7 37.Rf7+–) 35.Ng5 Kh6 36.Rf4 Re7 (36...Qe2 37.Nf7 Rf7 38.Rf7 Qh5+–) 37.Qg3 Re1 38.Kh2 Re3 39.Nf7 Kh7 (39...Qf7 40.Rh4 Qh5 41.Qe3 Kg6 42.Qe6 Kg5 43.Rh5 Kh5 44.g4 Kg5 45.Qf5 Kh4 46.Qh5) 40.Qh4 Kg6 41.Qg5 (41.Qg5 Kh7 42.Qh5 Kg8 43.Qh8) 1–0. marekt (2115) – alleyb (1740), gameknot.com, 2014.

8.Bc3 Bc3 9.Nc3=+ Nc6 10.Nf3 h6 11.Bd3= Bg4 12.h3 Bf3 13.Qf3 Ne5 14.Qf5 Nd3 15.cd3 Nh7 16.0-0+= a6 17.d4 c6 18.Rab1 b5 19.Qc5 Qd7 20.Ne4+/– f5 21.Qd6 Qd6 22.Nd6 g6 23.Rfc1+– Rf6 24.Rc6 Rd8 25.Nc8 Rc6 26.Ne7 Kf7 27.Nc6+– Nf6?? 28.Nd8 (28.Nd8 Ke7 29.Nc6 Kf8 30.Rc1+–) 1–0. pierre – telfo, internet, 2009.

8.Bc3 c5 9.Bd3=+ Nd5 (9...Nc6!?=+) 10.Qh5= f5 11.Nf3 Nf6 (11...Nc3 12.Nc3 Qf6 13.0-0 Bc3 14.dc3 Qc3 15.Rab1=) 12.Qh4 Bc3 (12...Nc6 13.Ba5 Na5 14.Nc3+=) 13.Nc3+– Be6 (better 13...Kh8!?+–) 14.Ng5+– Bf7? (better 14...Bd7+–) 15.Bf5 h6 16.Nf7 Kf7 (16...Rf7 17.Be6+–) 17.Qc4 Ke8 18.Rb1 Qc7 (18...Qe7 19.Qd3 Qc7 20.Nb5+–) 19.Ne4 Nbd7 (19...Ne4 20.Be4 Qf7 21.Qf7 Rf7 22.Rb7 Rf6 23.Rg7 Kf8+–) 20.Rb7! Qc6 (20...Qb7 21.Nd6 Double attack (21.Nd6 Decoy)) 21.Nf6 Nf6 22.Rg7 Rb8 (22...Qd6 23.0-0 Rb8 24.Qa4 Kd8 25.Qa7+–) 23.Qf4 (23.Qf4 Rb7 24.Qe5 Kd8 25.Rb7 Qb7 26.Qd6 Nd7 27.Bd7 Qd7 28.Qf8 Qe8 29.Qc5+–) 1–0. Pierre – Razine, internet, 2019.

8.Bd3 Nc6 9.Bc3 Bc3 10.Nc3 Ne5 11.Be2 Nfg4 12.Nf3 Qf6 13.Ne4 Nf3 14.gf3 Qh4 15.Ng3 Nf6 16.Qb1 c5 17.Qb2 a6 18.0-0-0 b5 19.Rhg1 Qh6 20.Qe5 c4 (20...Qh2? 21.Rh1 (21.Qc5?! h6=) 21...Qf2 22.Rdf1+–) 21.h4 Re8 22.Qg5 Qg5 23.hg5 Nd5 24.f4 Bb7 25.Rgf1 Rac8 26.e4 Ne7 27.Kb2 Nc6 28.d4 cd3 29.Bd3 g6 (29...Nd4!?=) 30.a4+/– ba4 31.Ra1 Nd4 32.Ra4 Ne6 33.e5 Red8 34.Ne4 Be4 35.Be4 Nc5 36.Rc4 Ne4 37.Re4 Rd2 38.Rc1 Kf8 39.Kb3 Ke7 40.Ra4 Rc6 41.c4 1–0. Benassi,Aspasio (2150) – Draba,Henryk (1835), IECG, 2004.

8.Bd3 Nbd7 9.Bc3 c6 10.Ba5 Qa5 11.Nf3 Nc5 12.0-0 Nd3 13.cd3 Bg4 14.Nc3 Rad8 15.d4 c5 16.dc5= Qc5 17.Qc2 Bf5 18.Qb2 Bd3 19.Rfc1 Qe7 20.Qb4 Rd6 21.a4 a6 22.a5= Rfd8 23.Ra4 Rc8 24.Qa3 Qd8 25.Rb4 Rc7 26.e4 Rdd7 27.e5 Nd5 28.Nd5 Rd5 29.Rc7 Qc7 30.Rd4 Rd4 (30...Bc4 31.Qb4 Rd4 32.Nd4=) ½–½. Taulien,Hans_Juergen (2225) – Plock,Joerg (1905), RSX5D – A00 – KMG–1, 2003.

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bg4 11.0-0 Ne5?? 12.Be5+– (12.Be5 a6 13.h3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Nf3 Nd5 9.Bc3 Nc3 (9...Nc6 10.Bd3-/+) 10.Nc3 Bc3 (10...Qe7 11.Nd5 Qd6 12.c4-/+) 11.dc3+= Qe7 12.Qd4 Nc6 13.Qf4 Re8 14.Bd3 Qe3 15.Qe3 Re3 16.Kf2 Re7 17.Rhe1 Re1 18.Re1 Be6 (18...Bd7!?+=) 19.Ng5= g6 20.Ne6 fe6 21.Re6 Rf8 22.Ke3 Kg7 23.Bb5 (23.g3 Rd8=) 23...Nd8 24.Re7 Rf7 25.Re8 ½–½. Trokenheim,Marek (1780) – Luers,Charles (1765), RB–2012–0-00180, 2012.

8.Nf3 Nbd7 =+.

8.Nf3 Bg4 9.Be2 Nbd7 10.Bb2 += (idea 0-0).

8.Qf3 Nbd7

9.Bc3 c5 10.Ba5 Qa5 11.Nc3 Ne5 12.Qg3 (12.Qf4 Nc6=+) 12...Re8 13.Bb5 Re7 14.Nge2 a6 15.0-0 ab5 16.Rf6 Ng6 (16...Qd8 17.Nb5 Nc4 18.Rd1=) 17.Nd5 (17.Rff1 Be6=) 17...Rd7 18.Rd6 Qd8 19.Rd7 Bd7 (19...Qd7 20.Nb6 Qd2 21.Nf4 Nf4 22.Qf4 Ra3 23.Ra3 Qc1 24.Kf2 Qc2 25.Kf3 Qd1 26.Kg3 Qe1 27.Qf2+–) 20.Ndf4 (20.e4 Bc6=+) 20...Bc6 (20...Nf4 21.ef4 b4 22.Qd3-/+) 21.Ng6 hg6 22.d4 b6 (22...b4!?=+) 23.c3= Qd5 24.Qg4 Re8 (24...Qb3 25.Kf2=) 25.Kf2=+ Qc4 (25...Qb3 26.Qg5=+) 26.Rd1 Be4 (26...Qa2 27.Qg5=) 27.Ng3 (27.Qd7 Rf8=) 27...Ba8 (27...Bc2 28.Qd7 Rf8 29.Re1=+) 28.Qd7= Rf8 29.d5 Qc3 30.Qb5 Qf6 (better is 30...Qa3!? 31.d6 Qa2 32.Ne2 Qc2=+) 31.Kg1+/– Qe5 (31...Rc8 32.a4+/–) 32.e4 c4? (better is 32...Qd6!?+/–) 33.Qc4+– Bb7 (33...Rd8 34.a4+–) 34.Qb4 Bc8 35.Qb6 Bg4 36.Qd4 Qb8 37.Ra1 Rd8 38.a4 1–0. market (2245) – avargas (2025), GameColony.com, 2002.

9.Bc3 c5 10.Bd3 Bc7-/+ 11.Ne2 Ne5 12.Be5 Be5 13.Nbc3 Qc7 14.h3 (14.Rb1 c4 (worse 14...Bh2 15.g3+=) 15.Bf5 Bf5 16.Qf5 Rfd8=+ (16...Bh2? 17.Qh3+–)) 14...Bd7 15.Bb5 Rad8 16.Rd1 Be6 17.d4 cd4 18.ed4 Bd6 19.0-0 a6 20.Bd3 Rfe8 21.a4 Bc4 22.Bc4 Qc4 23.Qd3 Qc7 24.Rb1 Rd7 25.Rf3 Be5 26.Re3 Bh2 27.Kf2 Re3 28.Qe3 Re7 29.Qf3 Attacking the backward pawn on b7 29...Bd6 30.g4 h6 31.a5 Rd7 32.Kg2 Be7 33.Qg3 Qc8 34.Qe3 (34.Qf3 Bd8=+) 34...Bd8 35.Ra1 Qc6 36.Qf3 Nd5 37.Nd5 Rd5 The isolani on a5 becomes a target 38.Rb1 Ba5 39.Qe4 g6 40.c4 Qc4 41.Rb7 Rd6 (41...Rd8 42.Kf3-/+) 42.Nf4 (42.Qe8 Kg7 43.Qe5 Rf6-/+) 42...Rb6 (42...Rd4?? 43.Qe8 Kg7 44.Ne6 Qe6 45.Qe6+–) 43.Rb6 Bb6 44.Ng6 Bd4 45.Nf4 Qa2 46.Ne2 a5 47.Kf3 Qb3 48.Kg2 Bc5 49.Qe8 Bf8 50.Ng3 Qe6 51.Qa8 Qa2 52.Kg1 Qa3 53.Ne4 (53.Kg2 a4 54.Nf5 Kh7-/+) 53...a4 54.Nf6 Kh8 55.Kg2 Qb2 56.Kg3 Qf6 57.Qf8 Kh7 58.Qa3 Qd4 59.Kg2 Qd5 60.Kf2 Qb3 61.Qe7 Qb6 (61...Qb2 62.Kg3 Kg7 63.g5 Qc3 64.Kg4 Qd4 65.Kg3 Qg1 66.Kf3 Qg5 67.Qb4 Qf5 68.Ke2 Qc2 69.Ke1–+) 62.Kg2 (62.Kg3 Qe6 63.Qc5 Qb3 64.Kf2–+) 62...Qb2 63.Kg3 Qc3 64.Kg2 Kg7 65.g5 Qd2 66.Kh1 (66.Kf3 Qd5 (66...hg5?! 67.Qe5 Kf8 68.Qh8 Ke7 69.Qe5 Kd7 70.Qb5 Kd6 71.Qa6 Ke5 72.Qa4–+) 67.Ke2 hg5–+) 66...Qc1 (66...hg5?! 67.Qe5 Kf8 68.Qb8 Ke7 69.Qe5 Kd7 70.Qb5 Kd6 71.Qa4–+) 67.Kh2 Qf4 (67...hg5?! 68.Qe5 Kg6 69.Qe4 Kh6 70.Qa4 Qd2 71.Kh1 Qe1 72.Kg2 Qe2 73.Kg1–+) 68.Kh1 hg5 0–1. Trokenheim,Marek (1800) – Delcaldo,Ramon (1700), FICGS, 2008.

9.Bc3 c6 10.Ba5 Qa5 11.Nc3 Nc5 12.Qf4 Ne6 (12...Qd8 13.Nf3=+) 13.Qh4= Rd8 (13...Rb8 14.Nf3=) 14.Nf3 Qh5 (14...Qb6 15.Bd3=) 15.Qh5+= Nh5 16.g4 Nf6 17.g5 Nd5 18.Nd5 Rd5 19.h4 Nc5 (19...Rf5 20.Bg2+=) 20.d4 Ne4 21.c4 (21.Ne5 Rd6+/–) 21...Rd8 22.Bd3 Re8 23.Ne5 Nd6 (23...Nc5 24.Bc2+= (< 24.dc5 Re5 25.Kf2 Rc5-/+)) 24.c5 Nf5 25.Kd2 Be6 26.Rh2 Rad8 27.Rf1 Nd4 28.ed4 Rd4 29.Rhf2 (29.Re2 Red8+/–) 29...Red8 30.h5 (30.Re2 Rh4 31.Rb1 Bc8+/–) 30...R8d5 31.Re2 Rc5 (31...Ra4 32.Rb1 f6 33.gf6 gf6 34.Rg1 Kh8 35.Nf3 Rd3 36.Kd3 Bc4 37.Kd2 Be2 38.Ke2 Ra3 39.h6+/–) 32.Rb1 (32.Re3 Rh4 33.g6 Rh2 34.Be2 fg6 35.hg6 Rd5 36.Kc3 Rh6+–) 32...b6 (32...f6 33.gf6 gf6 34.Rg1 Kf8 35.Rf1=) 33.Rf1 (33.Rc1 Rc1 34.Kc1 c5+=) 33...Rcd5 (33...h6 34.gh6 gh6 35.Re3+=) 34.Re3 c5? (better is 34...Rd6+=) 35.Nc6+– Rd7 (35...c4 A) 36.Nd4?! Rd4 37.Rc1 Kf8= (< 37...Rd3 38.Rd3 cd3 39.Rc7+=); B) 36.Re6! Rd3 37.Kc2 Rd2 38.Kc3 R2d3 39.Kc4 b5 40.Kb4 a5 41.Ka5 Ra3 42.Kb4 Ra4 43.Kb3 Rd3 44.Kc2+–) 36.Nd4 cd4 (36...Rd4 37.Kc2 h6 38.gh6 gh6 39.Rg3 Kf8 40.Rg6+–) 37.Re4 g6 38.Bc4!! 1–0. market (2250) – avargas (1995), GameColony.com, 2002.

9.Bc3 Bb6

10.Bc4 c5 11.Ne2 =+.

10.Bc4= Qe7 11.Qf4 c6 12.Nf3 Nd5 (12...Qe4 13.Qe4 Ne4 14.0-0=) 13.Bd5+= cd5 14.Bb4 Bc5 15.Nc3 Bb4 (15...Nf6 16.Bc5 Qc5 17.0-0+=) 16.ab4 (16.Qb4 Qe6+=) 16...Nf6 17.0-0 Be6 18.Nd4 (18.Qd4 a6+=) 18...a6 19.Ra4 (19.Rae1 Rfe8+=) 19...Rac8 20.b5 Rc4 (20...ab5 21.Ncb5 Bd7 22.Nf5 Bf5 23.Qf5+=) 21.Ra2 ab5 (21...Ra8 22.Rfa1+=) 22.Ncb5 Rfc8? (better is 22...Ne4 23.d3 Nc3 24.Nc3 Rc3+=) 23.Nd6+– Qc7 (23...Rd8 24.Nc4 dc4 25.Ra7+– (< 25.Ne6 Qe6 26.c3 b6+–)) 24.Ra7 Rb4? (24...Qd7+–) 25.Ne6 (25.Nc8?! Qc8 26.Qd6 Rd4 27.ed4 Ne4+–) 25...fe6 (25...Rf4 26.Nc7 Rf1 27.Kf1+–) 26.Qb4 1–0. kamret (2170) – peti0815 (2095), GameColony.com, 2003.

10.Bc4 Qe7 11.Qf4 Ne4 12.Nf3 Nc3 (12...Bc5 13.Bb4= (13.Qc7? Nd6 14.Bf7 Rf7–+)) 13.Nc3 Nf6 14.Qe5 (14.0-0 Bc5=) 14...Qe5 15.Ne5 c6 16.a4 Bc7 17.Nf3 h6 18.Rf1 Re8 19.Ra3 b6 20.h3 Bg3 (20...a6 21.Ke2=+) 21.Ke2 Bd7 22.Rb3 Rad8 23.d3 (23.Ne1 Kf8=+) 23...Re7=+ 24.Nd2 Bc8 (24...Be5 25.Nf3=) 25.Nce4 Ne4 26.Ne4 Bc7 27.g4 Rde8 (27...a6 28.Rbb1=) 28.c3 (28.Rf3 a6 29.Rb1 b5=) 28...Rd8 (28...Kf8 29.Rbb1=) 29.Rfb1 (29.Rf2 Be5=) 29...Rde8 30.Kf3 (30.Kd2 h5=) 30...Rd8 (30...Bb7 31.Kf2=+) 31.R1b2= g6 32.Ke2 (32.d4 Kg7 33.Nf2 f5 34.gf5 gf5=+) 32...Kg7=+ 33.Nf2 f5 34.gf5 gf5 35.Kf3 Rde8 (35...c5 36.Re2-/+) 36.Re2-/+ Bb7 (36...Kh7 37.Rb1-/+) 37.e4=+ c5 (37...a6 38.Rbb2=+) 38.a5 fe4 (38...Rf8 39.Kg2=+) 39.de4 Rf8 40.Kg2 Kh8 41.Kg1 (41.ab6 ab6 42.Kg1 Rg7 43.Kf1 Rg3-/+) 41...Rf4 42.Bd3 (42.ab6 Bb6 43.Kg2 Rg7 44.Kf1 Rg3=+) 42...Bc6 (42...Rg7 43.Kf1 Rg3 44.ab6 Bb6 45.Bc4-/+) 43.ab6=+ ab6 (43...Bb6 44.c4=+) 44.Kf1 (44.Re3 Ref7 45.Rb2 b5-/+) 44...Rf3-/+ 45.Ke1 (45.h4 Rf4-/+) 45...Ref7 (45...Bd7 46.Bc4-/+) 46.Bc4 Rf8 47.e5 Be5 (better is 47...Ra8-/+) 48.Re5+= Rf2 (48...b5 49.Bb5 Bb5 50.Rb5 (50.Rc5?? Re8 51.Kd1 Ba4–+) 50...Rf2 51.Rbc5+=) 49.Rb6+/– R2f6 50.Rc5 Bg2 (50...Re8 51.Be2 Ree6 52.Kd2+/–) 51.Rf6 Rf6 52.Rc8 (52.h4 Kg7+/–) 52...Kh7 53.h4 h5 (53...Bf3 54.Bd3 Kg7 55.Rc7 Kf8 56.Rd7+/–) 54.Bd3+– Kg7 55.Rc7 Kf8 56.Rh7 (56.Rc5 Bf3+–) 56...Bf3 57.Kd2 (57.Ra7 Bg4+/–) 57...Bg4 58.c4 (better is 58.Be4+/–) 58...Rf7?? (better is 58...Rf2 59.Kc3 Rf3 60.Rh8 Kg7+=) 59.Rf7+– Kf7 60.Be2 Be6 (60...Bd7 61.Bh5 Kf6 62.Bd1+–) 61.Bh5 Kf6 62.c5 Bd5 (62...Ke5 63.Bf3+–) 63.Ke3 Bc6 64.Bf3 Bb5 (64...Ba4 65.Kf4+–) 65.h5 Kg5 66.Kd4 Kh6 67.Kd5 Be8 (67...Kg7 68.Ke5+–) 68.Ke5 (68.Kd6 Kg5+–) 68...Ba4 (68...Bb5 69.Kf6+–) 69.Kf6 (better is 69.Kd6 Kg5 70.Bg4 Be8+–) 69...Bb5 70.Ke6 Ba4 71.Kd6 Bb5 (71...Kg5+–) 72.c6 (better is 72.Bg4 Kg5 73.Bd7+–) 72...Bc6= 73.Kc6 Kg7 74.Kd6 Kh8 75.Ke6 Kg7 76.Be2 Kh8 77.Kf6 Kh7 78.Bf3 Kh8 79.Kg6 Kg8 80.h6 Kh8 81.Bg4 Kg8 82.Bf5 Kh8 83.Kh5 Kg8 84.Kg6 Kh8 ½–½. market (2235) – mihmih (2040), GameColony.com, 2002.

10.Bc4= Qe7 11.Qf4 Re8 12.Nf3 =.

10.Bc4 Qe7 11.Qg3 Nh5 12.Qf2 Ndf6 =.

10.Bd3 h6 11.Ne2= Re8 12.0-0 Ne5 13.Be5 Re5 14.Nbc3 Bg4 15.Qb7+= Rb8 16.Qc6 Rc5 17.Qa4 Bd7 18.Qf4+/– Rc6 19.Rab1 Rd6 20.Ng3 Be6 21.Nge4 Ne4 22.Qe4 f5 23.Qe5 Qd7 24.a4 a5 25.Rb5 Rf8 26.Ne2 Rd5 27.Rd5+– Qd5 28.Qd5 Bd5 29.Rf5 Rf5 30.Bf5 Bc6 31.Nc3 Bc5 32.Be4 Bd7 33.d4 Bb4 34.Nd5 Ba4 35.Nc7 Bc2?? 36.Bc2 1–0. marre – artaud, internet, 2010.

9.Bc3 Bc3

10.Nc3 Re8 11.Qf4=+.

10.Nc3 Ne5

11.Qg3 Nc4 12.Bc4 (12.Bc4 Be6 13.Be6 fe6 14.Nf3+–) 1–0. guest3224 – Edi78, ICC, 2005.

11.Qg3 Re8 12.Nf3 Nf3 13.gf3 b6 14.Rg1= g6 15.f4 Bb7 16.Bb5 c6 17.Bc4 Ne4 18.Ne4 Re4 19.d3 Re7 (19...Qf6 20.Kf2 Ree8 21.e4=) 20.f5 Qe8?? (Better is 20...Kh8=) 21.fg6+– Re3 22.Kd2 Rg3 23.gf7 Qf7 24.Rg3 Kf8 25.Bf7 Kf7 26.Rf1 Ke6 27.Re3 Kd6 28.Rf6 Kd5 29.Rfe6 Rg8 30.R3e5 1–0. market (2075) – blacktomove (1790), GameColony.com, 2002.

11.Qg3 Re8 12.Nf3 Nf3 13.gf3 Nh5 14.Qf2=+.

11.Qg3 Re8 12.Nf3 Nf3 13.Qf3 c6 14.Bd3 Be6 15.0-0 Qc7 16.Rab1 Rad8 17.Ne4 Ne4 18.Qe4 g6 19.Qf3 Rd7 20.Rf2 Qa5 21.Ra1 Qe5 22.Rff1 Red8 23.a4 Bd5 24.Qf2= c5 25.Bb5 Re7 26.Ra3 Be6 27.Rd3 Rd3 28.cd3 a6 29.Bc4 Bc4 30.dc4 Qe4 31.Qf4 Qf4 32.Rf4 Rd7 33.d4 cd4 34.ed4+= Kf8 35.g4 h6 36.a5 Ke7 37.Kf2+/– Rc7 38.c5 Ke6 39.Re4 Kd5= 40.Ke3 Kc4 41.h3 Kb5 42.h4 Ka5=+ 43.Re5 Kb5 44.Kd3 b6 45.cb6 Kb6 46.Re8 Ra7 47.Rh8= a5 48.h5 gh5 49.Rh6 Kc7 50.gh5+= a4 51.Rf6+/– Kd8 52.h6 Ke7 53.h7 Ra8 54.Rh6 Rh8 55.Kc4 Kf8 56.Kb4 Kg7 57.Rh4?? Rh7= 58.Rh7 Kh7 59.Ka4 Kg6 60.d5 Kf6 61.Kb5 Ke7 62.Kc6 Kd8 63.Kd6 f5 64.Ke5 f4 65.Ke4 Kd7 66.Kf3 Kd6 ½–½. mrkt (2305) – Gryfffe (2185), ICC, 2003.

11.Qg3= Re8 12.Nf3 Nf3 13.Qf3 Qd6 14.Bd3=.

7.e3 Nc6

8.Bb5 Bd7 9.Bc3 Bb6 10.Qf3= 0-0 (10...a6 11.Bf6 Qf6 12.Qf6 gf6 13.Be2=) 11.Bf6+= Qf6 12.Qf6 gf6 13.Nc3 Bf5 14.Bc6 bc6 15.Kd1 Rad8 16.Kc1 Ba5 17.Nge2 Bg4 18.Nd4 c5 19.Nc6 Bc3 20.dc3 Rd6 21.Na7 Rfd8 (better is 21...Rb6 22.Rb1 Rb1 23.Kb1 Ra8=) 22.Rg1?? (22.Nb5 R6d7 23.a4 c6+/–) 22...Rd2?? (better is 22...c6-/+) 23.Nc6+/– R8d6 24.Nd4 Rf2 25.Nb3 Bf5 (25...c4!? 26.Na5 Rdd2=) 26.Ra2+/– Be4 27.Nc5 f5 28.g4 Kf8 29.h4 Rdd2 (29...Rc6 30.Ne4 fe4 31.a4+–) 30.gf5 Bc2?? (better is 30...Rc2 31.Rc2 Rc2 32.Kd1 Ra2+/–) 31.Nb3! Rde2 (31...Bb3 32.Rd2) 32.Nd4 Re3 33.Rc2 (33.Nc2 Rc3 34.a4 Rf5+–) 33...Rc2 (33...Rf4 34.h5+–) 34.Kc2 (< 34.Nc2 Rc3 35.Rg5 h6+–) 34...Ke7 (34...Re4 35.Rh1+–) 35.Rg7 h5 36.Rh7 Kf6 37.Kd2 Rh3 38.Rh5 c5 39.Nb3 Rh2 (39...c4 40.Na5 Rd3 41.Kc2+–) 40.Kd3 Rh3 +–. b4_player (2040) – zouzou (2160), GameColony.com, 2002.

8.Bb5 Bd7 9.Bc3 Ne4!? 10.Ba5 Qh4 11.g3 Qf6-/+.

8.Bb5 Bd7 9.Bc6 bc6 10.Qf3+=.

8.Bb5 Bd7 9.Bc6 Bc6 10.Nf3 Qe7=.

8.Bc3 Bb6 9.Qf3+= Bg4 10.Bf6 Bf3? (better is 10...Qf6 11.Qf6 gf6+=) 11.Bd8+– (11…Be4 12.Bh4 Bc2 13.Nf3+–) 1–0. fajgo – BCF, internet, 2002.

8.Bc3 Ne4 9.Ba5 Qh4 (9...Na5!? 10.Nf3 0-0-/+) 10.g3=+ Qf6 11.Qf3 Qa1 12.Qe4 Be6 13.Bc7 Rc8 14.Bf4 Qb1 15.Kf2 Qc1 16.Nf3 Qa3 17.Be2 Qe7 18.Rb1 Kf8 (18...0-0!?=+) 19.Nd4= Nd4 (19...h5 20.Ne6 fe6 21.Bc4=) 20.Qd4+= (worse 20.ed4 b6=+) 20...Kg8 (20...Rc2?? 21.Bd6 Rc7 22.Be7 Ke7 23.Qg7+–) 21.Qa7 Qf6 22.Qd4 (22.Qb7? g5 23.Rb4 Kg7–+) 22...Qd4 (22...Rc2 23.Rb7 h5 24.Bf3+=) 23.ed4 Rc2 24.Rb7 Rc8 25.Bf3 Rd8 26.d5 Bc8 (26...Bd5?? 27.Bd5 h6 28.Bf7 Kh7 29.Ke3+–) 27.Rc7 h5 28.h4 Bg4 29.Be4 Re8 30.Bd3 Rd8 31.d6 Kf8 32.Bg5 f6 33.Be3 Be6 (33...Kg8 34.Ra7+–) 34.Bc5+– Kg8 (34...Bd7 35.Ra7 Rh6 36.Bb6+–) 35.Re7 Bg4 36.Bg6 Rh6 37.Bb6 Ra8? (37...Rb8 38.Bc7 Rf8+–) 38.Bf7 Kf8 39.Bc5 Rd8 (39...Rc8 40.d4 g5+–) 40.d7 (40.d7 f5 41.Bc4 Rd7 42.Re6 Re7 43.Re7+–) 1–0. marekt (2125) – bolaf (2015), gameknot.com, 2014.

8.Bc3 Ne4 9.Bb5 Bd7 10.Bg7+=.

8.Bc3 Ne4 9.Nf3 Nc3 (9...Bc3 10.Nc3 Nc3 11.dc3-/+ Qe7 12.Qd2 0-0 13.Bd3 Re8 14.0-0 Bd7 15.e4) 10.Nc3 Bc3 11.dc3 Qf6 (11...Qe7 12.Qd2-/+ 0-0 13.Bd3 Re8 14.0-0 Bd7 15.e4) 12.Qd2 Bg4 13.Be2 (13.Nd4 Ne5 14.Qf2 Qf2 15.Kf2 0-0-0) 13...Rd8 14.Nd4 Ne5 15.Bg4 Ng4 16.Qe2 h5 (16...Qh4 17.g3 Qg5 18.0-0-/+) 17.0-0-0 (17.h3 Qh4 18.Kf1 Nf6 19.Qb5 Rd7 20.Qb7 Ne4-/+) 17...0-0 (17...Qe7 18.Kb2-/+) 18.h3 Ne5 19.Qh5 Nc4 (19...Qe7 20.Kb1-/+) 20.Qc5 Ne3 21.Rd3 Rfe8 0–1. marekt (2035) – chess_research (2205), gameknot.com, 2014.

8.Bc3 Ne4!? 9.Nf3 Bc3 10.Nc3 Nc3 11.dc3 Qe7 -/+.

8.Bc3 Bg4 9.Be2= Qd7 (better is 9...Bc3!? 10.Nc3 Be6=) 10.Bf6+= Be2 11.Ne2 gf6 12.0-0 0-0-0 13.c3 Qd3 (13...Bb6 14.Qc2+=) 14.Nf4+/– Qe4 (14...Qd7 15.Ra2+/–) 15.Nh5 Rd6 (15...Rhg8 16.Qf3 Qf3 17.Rf3+/–) 16.Nf6 Qg6 17.Qg4 Qg4 18.Ng4 Rg8 (18...h5!? 19.Nf6 Re6+/–) 19.Nf6+– Rg6 20.Nh7 Rh6? (better is 20...f6 21.Rf3 Rh6+/–) 21.Rf7 Ne5 (21...Nd8 22.Ng5+–) 22.Ng5 Rhg6 (22...Rh5 23.Rf8 Kd7 24.Ne4+–) 23.Rf5 Nd3 (23...Nc4 24.Ne4 Rd3+–) 24.Ra5 b6 25.Rf5 Rd8 (25...Rdf6 26.Rd5+–) 26.g4 (26.h4 Rh8 27.g3 a6+–) 26...Rdg8 27.h4 Kb7 (27...c5 28.Kg2+–) 28.Kg2 Ne1 (28...Kc8 29.Kg3+–) 29.Kg3 Nc2 (29...Nd3 30.Rd5 Rd6 31.Rd6 cd6 32.Ne4+–) 30.Ra2 Ne1 31.d4 Nd3 32.Rd2 (32.Rd2 Nc1 33.e4+–) 1–0. Janek – Tundja, internet, 2017.

7.Nf3 0-0

8.Bc3 Bb6 9.e3 c5 10.Bb2 Nc6 11.Bd3 (11.Be2 Qe7=+) 11...Bg4 (11...Be6 12.Nc3=+) 12.0-0 Bc7 13.h3 Bf3 14.Qf3 Ne5 15.Qf5 (15.Qb7?? Rb8 16.Qa7 Rb2 17.Qc5 Qb8 18.Rf6 gf6–+ (18...Rb1?! 19.Rb1 Qb1 20.Rf1=+)) 15...Qd6 16.Qe5 Qe5 17.Be5 Be5 18.Ra2 Rac8 19.Bc4 Rcd8 (19...Ne4 20.Bd5 Ng3 21.Re1=+ (21.Bb7?? Rb8 22.Re1 Rb7–+)) 20.a4 Rfe8 21.Ra3 Re7 (21...g6 22.Rb3 Re7 23.Rd3=) 22.Rd3= Rd3 23.cd3 b6 24.Kf2 g6 25.Nc3 Kg7 26.g4 Ne8 27.a5 Bc3 28.dc3 ba5 29.Ke2 (29.Ra1 Nd6=) 29...Rb7 30.e4 Nd6 31.Bd5 Rb2 32.Ke3 f6 33.Ra1 Rh2 34.Ra5 Rh3 35.Kd2 Rh2 36.Kc1 a6 37.Rc5 Nb5 38.Bb7 h5 39.gh5 Rh5 40.Rc6 a5 41.Ba6 a4 42.Bb5 Rb5 43.Ra6 g5 44.Ra4 f5 45.c4 Rb8 46.Ra5 fe4 47.Rg5 Kf6 48.Rb5 Rc8 49.Kc2 ed3 50.Kd3 Ke7 51.Kd4 White prepares the advance c5 51...Rd8 52.Ke5 Rd1 53.Ra5 Rd2 54.Ra7 Kd8 55.c5 Kc8 56.Ke6 Rd1 57.Rf7 Rd2 58.Rh7 Rd1 ½–½. pvanr (2255) – bill32606 (2050), gameknot.com, 2018.

8.Bc3 Bb6 9.e3 Nc6 10.Bd3 Bg4 11.0-0 Re8 12.h3 Bc8 (12...Bh5 13.Qe1 Bf3 14.Rf3=) 13.Ng5 (13.Qe1 Ne4=) 13...Re3 14.de3 Be3 15.Kh1 Bg5 16.Nd2 Nd5 17.Bg7 (better is 17.Ne4!? Nc3 18.Qh5=) 17...Kg7 (17...Bd2 18.Qh5 f5 19.Bf5 Bf5 (19...Kg7?? 20.Qh7 Kf6 21.Bc8 Ke5 22.Bb7+–) 20.Rf5 Qe7+=) 18.Qh5+= f5 (better is 18...Be6!? 19.Rae1 h6 (19...Bd2?? 20.Qh7 Kf8 21.Re6+–) 20.Re6 Nf4 (20...Bd2 21.Qf7 Kh8 22.Qh7) 21.Rf4 Bf4=) 19.Bf5+= Bh6 20.Ne4 Bf5 21.Rf5 Nf4 (better is 21...Qe7 22.Qg4 Kh8 23.Rd5 Rg8+–) 22.Rf7 Kg8 23.Qf5 (23.Qh6 Kf7 24.Qh7 Ke6 25.Nc5 Kd5 26.Nb7 Qg5 27.Rd1 Nd4 28.Qd7 Ke5 29.Qd4 Kf5 30.Nd6 cd6 31.g4 Ke6 32.Qe4 Qe5 33.Qa8 d5 34.Qe8 Kd6 35.Qe5 Ke5 36.Re1 Kd4+–) 23...Ng6 (23...Bg7 24.Ng5 Ng6 25.Rg7 Kg7 26.Ne6 Kh8 27.Nd8 Rd8 28.Qb5+–) 24.Rd7 Kh8 (24...Nce7 25.Rd8 Rd8 26.Qe6 Kh8 27.Rf1+–) 25.Rd8 Rd8 26.Rb1 Rb8 27.Qf7 Nge7 (27...Rf8 28.Qc7 Bf4+–) 28.Nf6 Bg7 29.Nh7! Ng8 (29...Kh7 30.Rb5 Combination) 30.Ng5 Nd4 (30...a6+–) 31.Qg6 Nf6 32.Rf1 Nf5 (32...Nb3 33.Rf6 Bf6 34.Nf7) 33.Rf5 Re8 (33...Rd8 34.Rf6 Rd1 35.Kh2 Rh1 36.Kh1 Bf6 37.Nf7) 34.Rf6 Re1 35.Kh2 Rh1 36.Kh1 Bf6 37.Qh7 1–0. pvanr (2300) – glennobrien (1965), gameknot.com, 2016.

8.Bc3 Bb6 9.e3 Nd5 10.Bd3 Nc3 (10...Nc6 11.0-0=) 11.Nc3 Nc6 12.0-0 Bg4 13.Qb1 Bf3 14.Rf3 Ne5 15.Rf5 Nd3 16.cd3 Qd7 17.Rd5 Qe6 18.d4 c6 19.Re5 Qf6 (19...Qh6 20.Re7 c5 21.d5= (worse is 21.Rb7 cd4 22.Nd5 de3-/+)) 20.Ne4 Qg6 (20...Qh4 21.Qb4=) 21.Nc5+= Bc5 22.Rc5 b6? (better is 22...Qb1!? 23.Rb1 Rab8+=) 23.Qg6+– fg6 24.Rc6 Rac8 (24...Rad8 25.Rac1+–) 25.Rc8 (25.Rac1 Rc6 26.Rc6 Re8+–) 25...Rc8 26.e4 (26.Kf2 Rc4+–) 26...Rc2 27.d3 Rd2 28.d5 Rd3 (28...Kf8 29.Kf1+/–) 29.Kf2 Rd2 30.Kf3 Kf7 31.Rc1 Rd3 32.Kf4 Ra3 33.Rc7 Kf8 34.Ke5 b5?? (34...Ra4+–) 35.Ke6 1–0. Janek – AxelG, internet, 2017.

8.Bc3 Bb6 9.e3 Bf5 10.Bc4 Nbd7 11.0-0 Re8 12.Bb2 Qe7 13.Bd3 (13.Nc3 Rad8=) 13...Bg4 14.a4 c6 15.Na3 (15.h3 Bh5=) 15...Bc7 (15...Nc5 16.Nc4+=) 16.Nc4 Ne4 (16...b5 17.ab5 cb5 18.Na5+=) 17.Qe1 Nec5 18.Be2 Be6 19.d4 (19.a5 Bd5+=) 19...Ne4+= 20.Bd3 (20.Ba3 c5+=) 20...Rad8 (20...Bd5 21.Rd1+=) 21.Na5 (21.Be4? Bc4 22.Bd3 Bd3 23.cd3 Qe3 24.Qe3 Re3–+) 21...Bd5 (21...Ndf6 22.Ba3 Bd6 23.Bd6 Rd6 24.Qh4=) 22.Nb7= Rb8 23.c4 (23.Ba3!? Qe6 24.Rb1=) 23...Rb7+= 24.Ba3 Qe6 25.cd5 cd5 26.Rc1 h6 (26...Qh6 27.Bb5 Ng5 28.Nh4+=) 27.Bb5= Bd6 28.Bd6 Nd6 29.Rc6 (29.Bc6 Rc7=) 29...Rc8 (29...Qe7 30.Bd3+=) 30.Rc8 Nc8 31.Qc1 (31.Qe2 Nd6=) 31...Nd6+= 32.Bd7 ½–½. pvanr (2295) – orlink (2200), gameknot.com, 2016.

8.Bc3 c5 9.e3 Bg4 (9...Nd5 10.Ba5 Qa5 11.c3+=) 10.Bd3 Nc6 11.0-0 Bc3 12.Nc3 Ne5 13.Be2 Nf3 14.Bf3 Bf3 15.Rf3 Rc8 16.Qe2 Rc6 17.Raf1 Rd6 18.d3 Qa5 19.Qe1 a6 (19...Rfd8 20.e4=) 20.Qg3 Qb6 (20...Rd7 21.Nd1 Ne8 22.Nf2=) 21.e4 Re6?? (better is 21...c4 22.Kh1 cd3 23.cd3 Qc7+/–) 22.Nd5+– Nd5 (22...Qd6 23.Qd6 Rd6 24.Ne7 Kh8+–) 23.Rf7!! (23.Rf7 c4 24.Kh1 Qg1 25.Kg1 g6 26.Rf8 Kg7 27.R1f7 Kh6 28.Qh4; 23.ed5?! Re7=) 1–0. pcmvr – totoarias (2630), net–chess.com, 2016.

8.e3 Re8 9.Bb2? Re3-+ 10.Be2 Re8 11.0-0 c5 (11...Nc6!? 12.Kh1-+) 12.Nc3 (12.Bc4 Bg4-+) 12...Nc6 13.Bb5 Bd7 (13...Bg4 14.h3 Bh5 15.a4-+) 14.Bc4 (14.Na4 a6 15.Bc6 Bc6 (15...bc6?! 16.Rb1-/+) 16.Nc5 Bb6-+) 14...Be6 (14...Bg4 15.Ne2-+) 15.Be6 Re6 16.Re1 (16.Na4 Qd6-+) 16...Qd7 (16...Re1!? 17.Qe1 Nd4 18.Rb1-+) 17.Re6 Qe6 18.Qe1 (18.Qe2 Qd7 19.Qb5 Re8-+) 18...Re8 (18...Qf5 19.Na4-+) 19.Qe6-/+ Re6 20.Re1 (20.Rb1!?-/+) 20...Re1-+ 21.Ne1 Nd4 (21...Bc3 22.Bc3 Ne4 23.Nf3-+) 22.Nd3 (22.Na4!? Bd2 23.Nc5-/+) 22...b6-+ 23.Ne1 Kf8 (23...Bc3 24.dc3 Nb5 25.a4-+) 24.Kf1 Ke7 25.d3? (25.Ne2 Bd2 26.Nd4 cd4 27.Bd4 Bf4-+) 25...Ke6 (25...Ng4 26.Nf3 Ne3 27.Kg1 Nf3 28.gf3 Bc3 29.Bc3 Nc2 30.Bb2-+) 26.Nf3? (better 26.Ne2 Nf5 27.Nf4 Kd6 28.Bf6 gf6 29.c4-/+) 26...Nc2 (26...Bc3!? 27.Bc3 Nc2 28.Bb2 Ne3 29.Kg1-+) 27.Nb5 a6 28.Nc7 Kd7 29.Na6 (29.Be5 Ng4 30.Na6 f6 31.Nb8 Ke6-+) 29...Kc8 30.Ne5 (30.Be5 Nd5 31.Bg7 Kb7 32.Nc5 bc5-+) 30...Kb7 31.Nc5 bc5 32.Nf7 Kc6 33.Bf6 0-1. Arnaud_Paris - Lance5500 (2585), lichess.org, 2021.

8.e3 Re8 9.Bc3 Bb6 10.Bc4 Ne4 11.0-0 Nc6 12.Qc1 Be6 13.Be6 Re6 (< 13...Nc3 14.Bf7 (14.Nc3?! Re6 15.Rb1 Qd6=) 14...Kf7 15.Nc3+/–) 14.Qb2 Rg6 15.a4 Qd7 16.Nh4 Rg4 17.Nf3 a5 18.h3 Rg3 19.Kh2 Re8 20.Qb3 Qd6 21.Kg1 Qh6 22.Kh1 Rh3 23.gh3 Qh3 (24.Nh2 Ng3 25.Kg1 Nf1 26.Nf1 Re4=+). Woschkat,Karl_Heinz – Wenzel,Andreas, S0025 DESC, 2002.

8.e3 Re8 9.Bc3 c5 10.Be2 (10.Bc4 Bg4=) 10...Nd5 (10...Nc6 11.0-0=) 11.Ba5 Qa5 12.0-0 Nc6 13.Ng5 Ne5 14.c4 Nf6 (14...Qd8 15.Nf7 Nf7 16.cd5 Qd5 17.Nc3=) 15.Qc2 Qd8 16.Nc3 h6 (16...Be6 17.Rad1=) 17.Rf6+= hg5 (17...gf6?? 18.Qh7 Kf8 19.Nd5 (19.Qh6?! Ke7 20.Nd5 Kd7 21.Qf6 Qf6 22.Nf6 Ke7 23.Ne8 Ke8+–) 19...Qd5 20.cd5 hg5 21.Bb5+–; 17...Qf6?? 18.Qh7 Kf8 19.Nd5 Qf2 20.Kf2+–) 18.Rff1 Be6 (18...b6 19.Rad1+=) 19.Ne4 b6 (19...Qe7 20.d4 cd4 21.ed4 Nc4 22.Bc4=) 20.Rad1 Qe7 21.Ng3 (21.d4 Ng6+=) 21...Rad8 (21...Qc7 22.Rf2+=) 22.d4 cd4 23.ed4 Ng6 24.c5 (24.Qa4 Nf4 25.Bf3 Bc8+=) 24...Bd5 (24...bc5 25.dc5 Nf4 26.Bf3+=) 25.Bb5 Qe3 26.Qf2 Qf2 (26...Re6 27.Qe3 Re3 28.a4=) 27.Rf2 (27.Kf2 Re6 28.Rfe1 Rf6 29.Kg1 Nf4=) 27...Re7 28.Nf5 (28.Rfd2 Rc7+=) 28...Rc7 29.cb6 (29.Ne3 Nf4+= (29...bc5? 30.dc5 Rc5 31.Bc4+–)) 29...ab6 30.Ne3 Nf4 31.Rb2 (31.a4 Ne6+=) 31...Rc3= 32.Nd5 Rd5 (32...Nd5 33.Rd3=) 33.a4+= Kf8 34.g3 (34.Ba6 Rd6=) 34...Ne6= Attacking the isolated pawn on d4 35.Rb4 Ke7 36.Ba6 (36.Bf1 Rd6=) 36...Rd6 (36...g4 37.Bb7 Rd6 38.d5=) 37.d5 Nc5 (37...Rc5 38.Bc4 Nc7 39.h3+=) 38.Bb5+= f5 39.Bc6 Nd7 40.Rdb1 (40.Re1 Kd8+=) 40...Rc5 The isolani on d5 becomes a target (40...Rc2 41.Rf1 g6 42.Rf2 Rc1 43.Kg2+=) 41.Re1+= Kd8 42.g4 ½–½. Pleschke,Helmut – De Ridder,Michael, IECG, 2001.

6.Be5 Qh4

7.g3 Qe4 8.Nf3 Nc6? 9.Bg7+–. Meybohm.

7.g3 Qe4 8.Nf3 f6 9.Bb2 Nc6 10.Nc3 +=. Meybohm.

7.g3 Qh6 8.Bg2 Nc6 9.Nf3 Nf6 10.0-0+–. Meybohm.

7.Bg3 Qe7 8.c3 Nc6 9.e3 h5 10.Nf3 h4 11.Bf4 h3 12.gh3 Nf6 13.Qe2 (13.Rg1 Nd5 14.Qa4 Nf4 15.Qf4 g6+=) 13...Ne4 (13...Bh3 14.Bh3 Rh3 15.Rg1=+) 14.Rg1 g6 15.Nd4 (15.Ng5 Bf5=) 15...Bd7=+ 16.Bg2 0-0-0 17.Kd1 g5 (17...Rh7 18.Kc2 Rh4 19.d3 Nd4 20.cd4 Ba4 21.Kc1 Rf4 22.de4=+) 18.Bg3 (18.Be4!? Qe4 19.Nc6 Bc6 20.Rg5=) 18...Rhe8 19.a4 a6 20.Be1 f5 (20...Nd4!? 21.cd4 Nd6=+) 21.d3= Nf6 (21...Nd4 22.cd4 Be1 23.Re1=) 22.Nc6 Bc6 23.Bc6 Rd3 The pressure on e3 grows 24.Kc2 (24.Qd3 Decoy to d3 24...Rd8 A pinning theme) 24...Re3= Black gets strong play along the open e-file 25.Qc4 (25.Qf1 bc6 (25...Re1 26.Qf5 Qe6 27.Rg5 Re2 28.Nd2 bc6 29.Qe6 R8e6 30.Ra5-+) 26.Qa6 Kd7=) 25...bc6 (25...Re1!? 26.Re1 Qe1 27.Be8 Qe8=+) 26.Bd2 (26.Qa6 Kd8 27.Bd2 Re5 28.Bg5 Qe6=) 26...Qe4=+ (worse 26...Rh3 27.Re1 Qh7 28.Re8 Ne8 29.Qa6 Kd7 30.Qa5+/-) 27.Qe4 R3e4 (worse 27...R8e4 28.Be3 Re3 29.Rg5+/-) 28.Rg5 R8e5 29.Ra2 Re2 30.Kb3 Ne4 (30...Rh2 31.Bf4 Ra2 32.Be5+-) 31.Rg8 Kb7 32.Ka3 Nc5 (32...Rd5 33.Rb2 Bb6 34.Bg5-+) 33.Rb2 Bb6 34.c4 a5 (34...Rh2 35.Rg3-/+) 35.Rg3 Rh2 (35...Rh2 36.Nc3 Rf2-/+) 0-1. PEREIRA – Trainee, internet, 2020.

7.Bg3?! Qf6 8.Nc3 Bc3 9.dc3 Qc3 10.Kf2 Nf6 11.Nf3 Ne4! –+. Meybohm.

7.Bg3?! Qf6 8.Nc3 h5? 9.Nf3+–. Meybohm.

7.Bg3 Qh6 8.Nf3 Nc6 9.c3 Be6 (9...Nge7 10.e3=) 10.e3 Nf6 (10...Nge7 11.Be2=) 11.Bb5 0-0 (11...Bd7 12.0-0=) 12.Qa4 Bb6 13.Bc6 bc6 14.0-0 (14.Qc6 Be3 15.Qa4 Rfe8–+) 14...Nh5 (14...Qg6 15.Bf4=) 15.Bf2 (15.Bh4 Bd5+=) 15...Rad8 (15...Nf6 16.Bh4=) 16.Bh4+= Rd5 17.Nd4 Bd4 (better is 17...Bd7!?=) 18.cd4+/– (18.ed4 Nf4 19.g3 Nh3 20.Kg2 Rh5–+) 18...g5 (18...Qg6!? 19.Qa7 Bh3+/–) 19.Bf2+– g4 (better is 19...Rb5 20.Nc3 Rb2+–) 20.Qa7?? (better is 20.Nc3 g3 21.Bg3 Ng3 22.Nd5 Ne2 23.Kf2 cd5 24.h3+–) 20...g3+= 21.Bg3 Ng3 22.hg3 Rh5 23.Qa6 Bd5 (23...c5!? 24.Nc3 cd4=) 24.Qe2+/– c5 (24...Rh2 25.Nc3 Rg2 26.Qg2 Bg2 27.Kg2+=) 25.Nc3 (25.dc5?? Rh1 26.Kf2 Qf6 27.Ke1 Rf1 (27...Qa1?! 28.Qg4 Kh8 29.Rh1 Qb1 30.Ke2 Qh1 31.Qd4 f6 32.Qd5–+) 28.Qf1 Qa1–+) 25...Bb7 (25...Rh1 26.Kf2 Qf6 27.Ke1 Rf1 28.Qf1 Qf1 29.Kf1 Bc4 30.Kf2 cd4 31.ed4+/–) 26.dc5+– Ba6 27.Qg4 Rg5 28.Qf4 Bf1 29.Rf1 (29.Kf1?! Qg6 30.Qc7 Qd3 31.Kg1 Qd2+=; 29.Qf1? Rh5 30.Qf4 Rh1 31.Kf2 Qf4 32.gf4 Ra1–+) 29...Rh5 30.Qh6 Rh6 31.d4 Ra6 32.a4 Rb8 33.Nd5 Ra4 (33...Rb7 34.Ra1+–) 34.Nc7 Ra2 35.Kh2 Rbb2 36.Kh3 Rg2 37.e4 (37.Nd5 Kf8+–) 37...Rh2 (37...h5!? 38.Rh1+/–) 38.Kg4 h5 (38...Ra4 39.Rd1+–) 39.Kf4 Rh3 (39...h4 40.gh4 Rh4 41.Kf5 Rh5 42.Kg4+–) 40.d5 Rg2 (40...Kf8 41.d6 Rhh2 42.c6+–) 41.Rf3 (41.d6 Kf8 42.c6 Rc2+–) 41...Re2 (41...h4 42.d6 Kf8+–) 42.d6 Kf8 43.c6 h4 (43...Rc2 44.Rd3 Rhh2+–) 44.d7 Ke7 45.Nd5 Kd8 46.Rb3 Rf2 (46...Re4 47.Ke4 f5 48.Kf4 hg3 49.Rb8) 47.Ke5 f6 (47...Rf5 48.Kf5 hg3 49.Rb8) 48.Ke6 1–0. lucya (2135) – Jack_D (2025), GameColony.com, 2002.

7.Bg3 Qh6 8.Nf3 Nf6 9.c3=.

5.fe5 Qh4

6.g3 Qe4

7.Nf3 de5

8.Be5 Bg4 9.Bg7 Bf3 10.Rg1 Bb6 11.d4 Qe3 12.Qd3 Qg1 13.Qf3 Nc6 14.c3 Qh2 15.Bh8 0-0-0 16.Nd2 f6 17.Bg7 Rd7 18.Bf8 f5 19.0-0-0.

8.Bg2 f6 9.0-0 Qg4 10.d4 Nc6 11.de5 Bb6 12.Kh1 Be6 13.ef6 Nf6 14.Ne5 Ne5 15.Be5.

8.Be5 f6

9.Bb2 Ne7 10.Bg2 A) 10...Nbc6 11.0-0 Qg6 12.Nc3 Be6 13.e3 Rd8 14.Ne2; B) 10...0-0 11.0-0 Qg6 12.Nc3 Nbc6 13.e3 Bg4 14.Qb1; C) 10...Qg4 11.0-0 (11.e3 Nbc6 12.0-0 Be6 13.Nc3 0-0-0 14.Rb1; 11.Bc3 Bb6 12.a4 0-0 13.a5 Bc5 14.e3; 11.Nc3 Nbc6 12.0-0 Be6 13.e3 0-0-0 14.Rb1) 11...Nbc6 12.e3 Be6 13.Nc3 0-0-0 14.Ne2; D) 10...Qg6 11.0-0 (11.e3 Bg4 12.0-0 Nbc6 13.Nc3 Rd8 14.Rb1; 11.Bc3 Bb6 12.Bd4 c5 13.Bf2 Nd7 14.0-0) 11...Nbc6 12.Nc3 0-0 13.e3 Bg4 14.Qb1.

9.Bb2 Bg4 10.Bg2 Nc6 11.Nc3 Bc3 (11...Qe6 12.e3 0-0-0 13.0-0 h5 14.Qe1) 12.Bc3 0-0-0 13.0-0.

9.Bc3 Bb6 10.e3 Bg4 11.Bg2 Nc6 12.0-0 Qe6 13.h3 Bh3 (13...Bf5 14.Nd4 Nd4 15.Bd4 c5 16.Bb2).

9.Nc3 Bc3 10.Bc3.

9.Nc3 Qg4 10.Bf4 (10.h3 Qf5 (10...Qe6 11.Bd4 Nc6 12.e3 Nd4 13.Nd4 Qe5 14.Qf3; 10...Qh5 11.Bf4 Bc3 12.dc3 Qa5 13.Qd2 Na6 14.Bg2; 10...Qd7 11.Bf4 a6 12.Bg2 Qe6 13.Rf1 g5 14.Nd4) 11.Bf4 (11.Bd4 Qg6 12.g4 Nc6 13.e3 Nge7 14.Bd3) 11...Bc3 12.dc3 Qc5 13.Qd3 Ne7 14.Bg2; 10.Bd4 Nc6 11.e3 Nd4 12.ed4 Be6 13.Be2 0-0-0 14.Rb1) 10...g5 11.Be3 Qe6 (11...Bc3 12.dc3 Nc6 13.Bg2 Bd7 14.Nd4) 12.Nd4 Qe5 (12...Qe7 13.Bf2 Bc3 14.dc3) 13.Bf2 (13.Nf3 Qe7 14.Bf2) 13...Bc3 14.dc3 c5 15.Nb5 Bd7 16.Qd3 Bc6 17.Nd6 Kf8 (17...Ke7 18.Rg1 Qd6 19.Qd6 Kd6 20.Rd1 Ke6 21.Bc5–+) 18.e4+= Na6 19.g4 Rd8 20.Bg3 Qe6 21.0-0-0 b5 (21...Qa2!? 22.c4 Qa1 23.Kd2 Qd4+/–) 22.a4+/– Nc7 23.Qe3 (23.ab5?! Nb5 24.Qc4 Qc4 25.Bc4 Nc3=) 23...Qa2 (23...a6!? 24.h4 Ne8 25.Qc5 Ne7 26.hg5 Be4+–) 24.Qc5+– Ne7 25.Rd3 Rd7 (25...Qa4?? 26.Nf5 Re8 27.Ne7 (27.Bc7?! Be4 28.Rg1 Bf5 29.gf5 Qc4 30.Qa7 Nf5+–) 27...Re7 28.Qc6+–) 26.Bg2 Rg8 (26...Qa4 27.Rf1 Ne8 28.Qg5 Qa3 29.Kd2 Qa2 30.Rf6 Nf6 31.Qf6 Kg8+–) 27.e5 (27.Rf1 Rg6 28.ab5 Bb5 29.Nb5 Rd3 30.cd3 Nb5 31.Qb5 Qg2+–) 27...Ne6? (27...Bg2 28.ef6 Bh1 29.fe7 Re7 30.Qf5 Qf7 31.Nf7 Be4 32.Rd8 Ne8+–) 28.Qf2+– Rg6 (28...Nf4 29.Bf4 gf4 30.Qf4+–) 29.ef6 Nd5 30.Bd5 (30.ab5?! Rf6 31.Bd5 Qa3 32.Kb1 Rf2 33.Bc6 Rd8 34.Bf2 Rd6 35.Rd6 Qd6 36.Ba7 Qa3+/–) 30...Bd5 31.Re1 ba4 32.Re6 Be6 33.Qc5 (33.Qc5 Rf6 34.Nf5 Kg8 35.Qc8 Rf8 36.Nh6 Kg7 37.Rd7 Bd7 38.Be5 Kg6 39.Qa6 Qe6 40.Qd3 Rf5 41.gf5 Qf5 42.Nf5 Bf5 43.Qa6 Kh5 44.Qf6+–) 1–0. Pommerel,Wim – Baer,Werner, corr TKM/A001, 1999.

9.Bb2 Bf5

10.Nc3 Qc2 11.Qc2 Bc2 12.Rc1 Bg6 13.Nd4 c6 14.Bg2.

10.Nc3 Qc2 11.Qc2 Bc2 12.Nd4 Bc3 13.Bc3 Be4 14.Rg1 Na6 15.e3 Bd5 16.Ba6 ba6 17.Nf5 g6 18.Nh4 c5.

10.Bg2 Qc2? 11.Qc2 Bc2 12.Nd4 Bb1 13.Bb7 +– (13.Rb1?! Nd7+/–).

10.Bg2 Nc6 11.c3 Qe6 12.Nd4 Nd4 13.cd4 0-0-0 14.0-0 Bg4 15.Bf3 Bf3 16.Rf3 h5 +=.

10.Bg2 Nc6 11.c3 Qe6 12.Nd4 Nd4 13.cd4 0-0-0 14.Rf1 Ne7-/+ 15.Bc3 (15.Rf2 Bb6-/+) 15...Bb6 16.Qa4 Be4 17.Be4 Qe4 -/+.

5.Nf3 Nc6

6.e3 f6 7.Bb5 (7.fe5 fe5 8.Bc4 Bg4-/+) 7...Nge7-/+ 8.0-0 (8.fe5 de5 9.Nc3 Be6-/+) 8...0-0 (8...ef4 9.ef4 0-0 10.Nc3-/+) 9.Nc3 (9.fe5 fe5 10.Nc3 h6=+) 9...Kh8 (9...ef4 10.ef4 d5 11.Re1-/+) 10.Bc4 (10.fe5!? de5 11.Nh4-/+) 10...d5 11.Bb3 ef4 12.Nd4 (12.ef4!? Qd6 13.Qe2-/+) 12...Nd4 13.ed4 g5 14.a4 (14.Na4 Qd6-+) 14...c6 15.Ba3 (15.Qe1 Nf5 16.Ne2 Re8-+) 15...Bc7 (15...Bb6 16.Bc5 Bc5 17.dc5-+) 16.Be7? (better 16.Qh5-+) 16...Qe7 17.Re1 (17.a5 Re8-+) 17...Qb4 18.Qf3 (18.Ne2 Re8 19.c3 Qd6-+) 18...Qd4 19.Kh1 (19.Qf2 Bb6 20.Qd4 Bd4 21.Kf1 Bf5-+) 19...Bf5 20.Rad1 Rae8 21.Ne2 Qe4 (better 21...Qe5 22.Qf2 Bb6 23.Qf1-+) 22.Qh5 (22.c3 Bb6 23.Qe4 Be4-+ (worse 23...Re4 24.Bc2-+)) 22...Bg6 (22...Bb6 23.Qf3 Qf3 24.gf3-+) 23.Qg4 (23.Qf3 Bb6-+) 23...h5 (23...Bb6 24.Qf3-+) 24.Qh3 (24.Qf3 g4 25.Qe4 Re4-+ (worse 25...de4 26.Nd4-+)) 24...Qf5 (24...g4!? 25.Qd3-+) 25.Qc3 (25.Qf5 Bf5 26.Nd4 Bd7-+) 25...Qe5 26.d4 (26.Kg1 f3! 27.Qe5 fe5 28.gf3 Bb6 29.Kh1 e4-+) 26...Qe3 27.Qc5 (27.Qe3 Re3 28.Nc1-+) 27...f3 28.Ng1 fg2 29.Kg2 0-1. Arnaud_Paris - Lance5500 (2555), lichess.org, 2021.

6.e3 Nf6 7.fe5=+ de5 8.Bb5 e4 9.Ne5 Bd7 (9...Qd6 10.0-0 Be6 11.Nc6 bc6 12.Be2=+) 10.Bc6= bc6 11.0-0 0-0 (11...Bb6 12.Nd7 Qd7 13.Qe1+=) 12.Nd7+= Qd7 13.Bf6 gf6 14.Rf6 Kh8 15.Nc3 Rg8? (better 15...Bc3 16.dc3 Rad8+=) 16.Ne4+– Qe7 (16...Qg4 17.Qf3 Rae8 18.d3+–) 17.Qf3 Rg7 18.Rc6 Rag8 19.g3 Qh4 (19...Re8 20.Nf6 Rb8 21.d4+–) 20.Rc5 Bd2 (20...Bb6 21.Rh5 Qd8 22.Qf5+–) 21.Kg2 (21.Nd2?! Rg3 22.hg3 Rg3 23.Qg3 Qg3 24.Kf1 Qh3 25.Ke2 Qh2 26.Ke1 Qg3 27.Ke2 Qh2 28.Ke1 Qg3 29.Ke2 Qh2=) 21...Qe7 (21...Rd8 22.Rd1 (22.Rc7?! Qh6+–) 22...Qe7 23.Rh5+– (23.Rd2 Rd2 24.Nd2 Qc5=+)) 22.Rd5 Be3 23.Qe3 Qe6 (23...Re8 24.Re1+–) 24.Qd4 Re8 (24...f5 25.Nf6 c5 26.Rc5 Rf8+–) 25.Nf6 Qd5 (25...c5 26.Rc5 Rf8+–) 26.Qd5 (26.Qd5 Rf8 27.Qd4+–) 1–0. Maestro – Sibiro, internet, 2020.

6.e3 Nf6 7.fe5 Ne5 8.Ne5 de5 9.Be5-/+.

5.Nf3 f6

6.e3 ef4 7.Nh4 g6 8.ef4 Qe7 9.Kf2 d5 10.Nf3 Qd6 11.g3 Bb6 12.Kg2 Ne7 13.Nc3 0-0 14.Na4 Ba5 15.Nc3 Re8 16.Be2 a6 -/+.

6.e4 ef4 7.Nd4! Bb6 8.Qh5 g6 9.Qf3-/+.

6.e4 Bg4 7.Bc4 ef4 8.0-0 Nc6 9.d4 Nge7 10.Nbd2.

6.e4 Bg4

7.Bc4 Nc6

8.0-0 Bb6 9.Kh1 ef4 10.Qe1? Bf3 11.gf3 Nge7-/+.

8.0-0 Bb6 9.Kh1 ef4 10.Qe1? Bf3 11.Rf3? Ne5.

8.0-0 Bb6 9.Kh1 ef4 10.Be2 Nge7 11.Ng1 Be6 12.Bh5 g6 13.Bg4 Bd4 (13...Qd7 14.Be6 Qe6 15.Rf4 0-0-/+) 14.Be6 Bb2 15.Ra2 Bd4 (15...Be5 16.c3 d5 17.ed5 Nd5 18.Qb3 Nb6 19.d4 Bd6 20.a4 a5 21.Re2) 16.Rf4?! (16.c3! Bg1 (16...Bb6 17.Rf4=) 17.Kg1 g5) 16...Be5 17.Rf2 d5 18.ed5 Nd5 19.Nf3 Qd6 20.Ne5 Ne5 21.Bd5 Qd5 22.Nc3 Qc6 23.Rb2 0-0 24.Qf1 Nc4 25.Rb3 Rae8 26.Nb5 a6 27.Nd4 Qd5 28.Nf3 b5 29.Rd3 Qf7 30.Kg1 c5 31.Rb3 Ne5 32.Ne5 Re5 33.Rb1 f5 34.a4 ba4 35.Qa6 Qa2 36.Rbf1 Rfe8 37.d3 a3 38.g4 fg4 39.Qa7 Qd5 40.Qa3 Rf5 41.Rf5 gf5 42.Qc1 Re2? 43.Qg5 Kh8 ½–½. Kucharkowski,Jens – Plock,Joerg, email KMG–49 (Kucharkowski), 2002.

8.h3 Bf3 9.Qf3=+.

8.h3 Bh5 9.g4 Bg6 10.f5 Bf7 11.Bf7 Kf7 12.Qe2=+.

4.a3 Bc5

5.e3 c6 (idea Bf5 idea Nd7!).

5.e3 Qe7 6.Qf3 Nf6 7.fe5 de5 8.Qg3 Nc6 9.Qg7 Rg8 10.Qh6 Bf5 11.c4 0-0-0 12.Nc3-/+ Qd7 (12...Qd7 13.Bc1 Rg6–+) 0–1. Woschkat,Karl_Heinz – Paruschew,Alexander, CiF, 2001.

5.e3 f6 6.Nc3 (6.d4 ed4 (6...Bb6 7.fe5 de5 8.Bb5 Bd7 9.Bc4 Nc6 10.Ne2 Nge7 11.0-0 Bg4) 7.ed4 Qe7 (7...Bb6 8.Nf3 Nc6 9.d5 Na5 10.Nd4 Ne7 11.Nc3 Bd4) 8.Kf2 Nh6-/+ 9.dc5 Ng4 10.Kg3 Qe3 11.Kh4 Nh6; 6.fe5 fe5 7.Nf3 Nc6 8.Nc3 Nf6 9.Na4 Bb6 10.Bc4 d5 11.Bb5 0-0; 6.Nf3 Nc6 (6...Ne7 7.fe5 fe5 8.Nc3 0-0 9.Bd3 Nbc6 10.0-0 h6 11.Ne4 Bb6; 6...ef4 7.d4 Bb6 8.ef4 Nc6 9.Bb5 d5 10.c4 dc4 11.Bc4 Nge7) 7.d4 Bb6 8.de5 de5 9.Qd8 Kd8 10.Nbd2 ef4 11.ef4 Be3) 6...Ne7 (6...ef4 7.ef4 (7.d4 Bb6 8.ef4 Ne7 9.Nf3 0-0 10.Bb5 Nbc6 11.0-0 Bg4) 7...Qe7 (7...Nc6 8.Bc4 Nd4 9.Nge2 Bg4 10.Na4 b5 11.Nc5 dc5) 8.Be2-/+ Nc6 9.Nf3 Bb6 10.Nd5 Qe4 11.Nb6 ab6; 6...Bf5 7.d4 Bb6 8.fe5 fe5 9.e4 Be6 10.Nf3 Nh6 11.Bb5 c6; 6...Nc6 7.Na4 Bb6 8.Nf3 Be6 9.fe5 fe5 10.Bd3 Nh6 11.h4 Bg4) 7.Bc4 (7.Na4 Nd7-/+ 8.d4 Bb6 9.Kf2 0-0 10.Nf3 e4 11.Nd2 f5; 7.fe5 fe5 8.Nf3 0-0 9.Bd3 Nbc6 10.0-0 d5 11.Ng5 g6) 7...d5 8.Bb3 (8.fe5 dc4 9.ef6 0-0 10.fg7 Rf7 11.Nf3 Na6) 8...ef4 (8...Nbc6 9.fe5 fe5 10.Nf3 Bf5 11.0-0 0-0) 9.Nd5 (9.ef4 Be6 10.d4 Bb6 11.Nf3 Nbc6) 9...Nd5 10.Qh5 g6 (10...Kf8 11.Qd5 Qd5) 11.Qd5 Qd5 12.Bd5 c6 (12...fe3 13.de3 Be3 14.Ke2-/+) 13.Bb3 (13.Bf6 Rf8 (worse 13...cd5 14.Bh8 fe3 15.de3+=) 14.Bg7 cd5 15.Bf8 Kf8 16.ef4 Nc6–+) 13...fe3 14.Nf3 Rf8 (14...ed2 15.Nd2 Rf8 16.Ne4-/+) 15.0-0-0 a5 (15...ed2 16.Rd2 Nd7 17.Re1 Kd8 18.Nd4 Bd4 19.Bd4=) 16.Rhe1 Kd8 17.de3 Kc7 18.e4 Nd7 19.g3 (19.Rd3 b5-/+) 19...b5 20.e5 fe5 21.Ng5 (21.Ne5 Ne5 22.Be5 Kb6-/+) 21...Kb6 22.Be6 Ra7 23.Nh7 (23.Ne4 Be7-/+) 23...Rh8 24.Ng5 Rh2 25.Ne4 Be7 26.Rf1 (26.Nd6 Bd6 27.Rd6 Rc7-/+) 26...b4 (26...Re2 27.Nd6 Bd6 28.Rd6-/+) 27.a4-/+ Re2 28.Rde1 (28.Rfe1 Re4! 29.Re4 Nc5 30.Re5 Be6–+) 28...Re4!–+ 29.Re4 Nc5 30.Re5 Be6 31.Rfe1 Bd6 32.Rc5 Kc5 (32...Bc5?! 33.Re6 g5 34.Bf6=+) 33.Re6 Bg3 34.Rg6 Bf4 35.Kb1 Re7 36.Rf6 Be5 37.Be5 (37.Rf8 Bc7–+) 37...Re5 38.Rf3 Kd4 39.Rd3 Ke4 40.Kb2 c5 41.Kb3 Rf5 42.Rd2 Rf4 43.Rh2 Kd4 44.Rd2 (44.Kb2 c4–+) 44...Ke3 (44...Ke5!? 45.Re2 Re4 46.Rh2–+) 45.Rd5-/+ c4 46.Kb2 (46.Ka2 Rf2 47.Kb1 c3–+) 46...Rf2 47.Kb1 c3 (47...Rf1 48.Ka2–+) 48.Rg5 Rf1 49.Ka2 Kd2 (49...Rc1!? 50.Rg2–+) 50.Rg2 Kc1 51.Kb3 Kb1 52.Rg5 Ka1 53.Ra5 Rb1 54.Kc4 Kb2 55.Kb4 (55.Rh5 Kc2 56.Rh2 Kc1–+) 55...Kc2 56.Kc4 Rb8 57.Rh5 Kb2 (57...Rc8 58.Kb5–+) 58.a5 (58.Rh2 c2–+) 58...c2 59.Rh2 Kb1 (59...Rh8 60.Rc2 Kc2 61.a6-/+) 60.Rc2 Kc2 ½–½. Pommerel,Wim – Thorn Leeson,John, corr NED–ch29, 1998.

5.e3 Nf6 6.Nf3 (6.fe5 de5 7.Be5 Nc6 8.Nf3 0-0 9.Nc3 Ne5 10.Ne5 Qe7 11.d4 Ba3) 6...e4 7.Nd4 Nc6 8.Nc6 bc6 9.Nc3 0-0 10.Be2 Rb8 11.Na4 Ng4.

5.fe5 d5 6.e3 Qh4 7.g3 Qg4 8.Be2 Qe6 9.d4 Qb6 10.dc5 (10.dc5 Qb2 11.Qd4 Qc2 12.Bd1-/+; 10.Nc3 Qb2). willi_weizenkeim – clouwn, playchess.de, 2002.

5.Nf3 Nc6 6.e3 Nh6 (6...Bg4 7.Be2 Rb8 8.fe5 Bf3 9.Bf3 Ne5 10.0-0+=) 7.fe5+= de5 8.Nc3 (8.Ne5 Qh4 9.g3 Qe4+=) 8...Bg4 (8...a6 9.Bc4-/+) 9.Bb5 0-0 (9...f5 10.Bc6 bc6 11.d4 ed4 12.Na4-/+) 10.Qe2 (10.Bc6 bc6 11.0-0 Qe7-/+) 10...a6 (10...Na5 11.Ne4 Bd6 12.0-0+=) 11.Bc6 bc6 12.0-0 Rb8 (12...Qe7 13.h3 Bh5 14.Qc4+=) 13.Bc1 (13.Rab1 Re8 14.Ne4 Qd5+=) 13...Qd6 (13...Rb6!?+=) 14.Qa6= f6 (14...Bf5 15.Qa4=) 15.Qe2 (15.Ne4 Qd5 16.Qa4 Bd6=) 15...Rfd8 (15...Qe6 16.h3 Bf3 17.Qf3=) 16.a4 (16.Ne4 Qd5 17.Nc5 Qc5+=) 16...Re8 (16...Bb4 17.Ne4 Qd5 18.d3=) 17.a5 Qe6 (17...Bf5 18.d3+=) 18.Ra4 (18.d3 f5 19.h3 Bh5+=) 18...Rb4 19.Qa6 Ra4 20.Na4 Bd6 21.e4 (21.Qc6?! Qd7 22.Qd7 Bd7=) 21...c5 22.d3 c4 (22...Nf7 23.Nd2+/–) 23.Bh6 gh6 24.h3 (24.Qc4?! Qc4 25.dc4 Ra8=) 24...Bh5 25.Nh4 (25.dc4 Bg6 26.c5 Bf8+=) 25...cd3 26.Qd3 Kf7 (26...Qa2 27.Qg3 Kf7 28.Nc3+=) 27.Nf5 Bg6 (27...Ra8 28.Nh6 (worse is 28.Nd6 Qd6 29.Nc3 Qd3 30.cd3 Ra5+=) 28...Kf8 29.Qc3+–) 28.Nc3 (28.Nh6 Kf8 29.Nc3+–) 28...h5? (better is 28...Bf5!? 29.ef5 Qd7+–) 29.Nd5+– (29.Nd6?! Qd6 30.a6 Rd8 31.Qd6 cd6+–) 29...Bc5 (29...Rd8 30.Qc3 Bf5 31.Rf5+–) 30.Kh2 Bd6 (30...Rd8 31.Nh6 Kg7 32.Nc7+–) 31.Nd6 (31.Nd6 Qd6 32.Rf6 Qf6 33.Nf6 Kf6 34.a6+–) 1–0. pvanr (2320) – adalbert (2120), gameknot.com, 2016.

5.Nf3 Nd7 6.e3 Qe7 7.fe5 de5 (worse 7...Ne5 8.d4 Nf3 9.Qf3=+) 8.Bc4 Ngf6 9.0-0 0-0 (9...e4 10.Nd4 Ne5 11.Bb3-/+) 10.Ba2 (10.Qe2 e4 11.Nd4 Ne5-/+) 10...e4 11.Nd4 (11.Nh4 g6–+) 11...Qe5–+ 12.Bc3 Bd6 13.g3 Qe8 14.Nb5 Ne5 15.Nd6 cd6 16.Be5 Bg4 17.Qe1 de5 18.Nc3 Qd7 19.Bc4 Bf3 20.Be2 Rfd8 21.Rd1 Rac8 22.Bf3 ef3 23.e4 Qd4 24.Qe3 Qe3 25.de3 Rd1 26.Rd1 Kf8 27.Rd3 g5 28.Kf2 (28.h3–+) 28…Rc3! (28...Rc3 29.Rc3 Ne4 30.Kf3 Nc3–+) 0–1. gabrel (1985) – pvanr (2220), gameknot.com, 2014.

5.Nf3 f6.

5.Nf3 Nf6 6.fe5 de5 7.Be5 0-0 8.e3 Nbd7 (8...Re8 9.Be2=+) 9.Bb2 Bd6 (9...c6 10.Be2=) 10.Be2= Nc5 11.0-0 Na4 12.Be5 Bg4 13.Bd6 Qd6 14.c4 Bd7 15.Qc2 (15.d4 Rae8 16.Ne5 c5=) 15...c5 16.Nc3 Nc3 17.Qc3 Rfe8 18.Qd3 Qd3 19.Bd3 Ba4 20.Rac1 Rad8 21.Rc3 b6 22.Bb1 Bc6 23.Rd1 Be4 24.Rb3 Ba8 25.h3 Bc6 (25...Nd7 26.Rc3=) 26.Rc3 (26.d4 Ba4 27.Rdd3 Bb3 28.Rb3 Kf8–+) 26...Rd6 27.d4 Bf3 28.gf3 cd4 29.ed4 (29.Rd4? Rd4 30.Bh7 Kh7 31.ed4 Kg6–+) 29...Nh5 30.Kf2 Nf4 31.Bd3 Red8 32.d5 b5 (worse 32...Nh3 33.Kg3 Ng5 34.f4+–) 33.Be4 bc4 34.Rc4 g6 (34...Nd5? 35.Rd5 Rd5 36.Bd5+–) 35.Kg3 Nh5 (35...Nd5? 36.Rcd4+–) 36.Kf2 (36.Kh4 h6=) 36...f5=+ 37.Bb1 Rd5 38.Rd5 Rd5 39.Rc8 Kg7 40.Rc7 Kf6 41.Ra7 (worse 41.Rh7 Ra5-/+) 41...Nf4 (41...Rd1 42.Rb7=+) 42.Rh7 Ra5 43.Kg3 Nh5 44.Kf2 Ra3 45.Rb7 Ra4 46.Rb6 Kg5 47.h4 Rh4 (47...Kh4?! 48.Rg6 Ra5 49.Rg8=) 48.Kg2 (48.Ke3 Nf4 49.Ba2 Rh1-/+) 48...Nf4 49.Kg1 Rh3 50.Rb3 Kh4 51.Kf2 Rh2 52.Ke3 Kg3 53.Kd4 Re2 54.Ra3 Ne6 55.Kd5 Kf4 56.Rb3 (56.Ba2 Ng5–+) 56…Ng5 0–1. DEFFM – AnderssenA, freechess.org, 2018.

5.Nf3 Bg4 6.d4 Bf3 7.dc5 Bc6 8.cd6 cd6 9.fe5 Qh4! 10.Kd2 =+ (10.g3 Qh6 11.Rg1 Qh2?! 12.Qd4).

5.e3 Nc6

6.d4 ed4 7.ed4 Qe7?? 8.Be2?? Qf6 9.Nf3 Bb6 10.Ra2 d5 11.g3 Bh3 12.Ng5 Bd4?? 13.Bd4+/– Nd4 14.Nh3 0-0-0 15.c3 Nf5 16.Bg4 Ngh6 17.0-0 Kb8 18.Bf5+/– Nf5 19.Re2 d4 20.Qb3 (20.Qb3 d3 21.Rb2 Qb6 22.Qb6 cb6 23.Rd2+=). Cuno – Meybohm,Dirk, Halberstadt, 1990.

6.Nf3 f6 7.fe5 de5 8.Nc3 Nge7 9.Bc4 Bg4 10.h3 Bh5 11.0-0 Bb6 12.Kh1 Nf5 Black gets in control 13.Qe1 Qd7 14.Na4 Nd6 15.Nb6 ab6 16.Ba2 Bf7 17.Bf7 Nf7 18.d3 0-0 19.Qg3 Nd6 20.Nh4 Kh8 21.Rf2 e4 22.Raf1 Rf7 23.Kh2 Raf8 24.Rf4 Qe6 25.R1f2 Re8 26.Nf5 Nf5 27.Rf5 ed3 28.cd3 Qe3 29.R2f3 Qe1 30.Rf2 Re6 31.d4 Re3 32.Qg4 Rf8 33.d5 Ne5 34.Be5 Re5 35.Rc2 Re7 36.Qf4 Qb1 37.d6 Re1 38.Rf2 c5 39.Qf3 Rd1 40.Rd5 Rh1 41.Kg3 Qg6 42.Qg4 Qf7 43.Re5 Rg8 44.Qf5 Rd1 45.Re7 Qb3 46.Rf3 Qb2 47.d7 Rd2 48.Kh4 Qa2 49.g4-/+ Rd6 50.Rfe3 Rd5 51.Qf3 Qc4 52.R3e4 Rd3-/+ 53.Re3 Rd6 54.Kg3 Qd4 55.Qb7 Qd1 56.Kf2 Qd2 57.Kg1 Qd1 (57...Qc1!? 58.Kf2 Rd1-/+) ½–½. Pommerel,Wim – Van Wieringen,Cornelius A, corr NL K30, 1999.

6.Nf3 Bg4 7.Bc4 Nf6 8.h3 Bf3 9.Qf3 0-0 10.fe5 de5-/+ 11.Nc3 Qd7 12.Rf1 a6 13.Nd5 Nd5 14.Bd5 Rad8 15.c4 Rde8 16.d3 Re7 17.Rb1 h6 18.Rf2 Nd8 19.Be4 c6 ½–½. Psion – Psion, 2000.

5.e3 ef4

6.ef4 Qe7 7.Qe2 Nf6 8.Bf6 gf6 9.Qe7 Ke7 10.Nc3 Be6 11.Bd3 f5.

6.ef4 Nf6 7.d4-/+ Qe7 8.Qe2 Bb6 9.Qe7 Ke7 10.Nf3 Nc6 11.Nbd2 Bf5.

6.Bg7 Qh4–+ 7.g3 fg3 8.Bg2 gh2 9.Kf1 hg1Q 10.Kg1 Qg3 11.Bh8 Bf5 (11...Ne7 12.Nc3 Qg8 13.Bf6=) 12.Qf3= Qf3 13.Bf3 c6 (13...Nc6 14.d4 Bb6 15.c4=) 14.Nc3 (14.d4 Bb6 15.e4 Bg6+=) 14...Nd7 (14...Bc2 15.Be4 Be4 16.Ne4+=) 15.Ne4 (15.d4 Bb6 16.Rf1 Bc2=) 15...Ke7 16.Nc5 Nc5 17.e4 Bg6 (17...Ne4? 18.Be4 Be4 19.Re1+–; 17...Be4? 18.Re1 f5 19.d3+/–) 18.Bd4 Ne6 (18...Be4? 19.Re1 f5 20.Bc5 dc5 21.d3+– (21.Be4?! fe4 22.Rh7 Kd6+/–; 21.Rh7?! Kd6 22.Be4 fe4+/–); < 18...Ne4 19.Be4 Be4 20.Re1+–) 19.Be3 Nf6 20.d3 d5 21.ed5 cd5 (21...Nd5 22.Bf2=) 22.Re1 Rg8 (22...Kd6 23.Bf2=) 23.Kf2 (23.Kf1 b6=) 23...Kd6 24.Ba7 Ra8 25.Be3 Ra3 26.Ra1 (26.Rh4 b5=) 26...Ra1=+ 27.Ra1 h5 (27...d4 28.Bd2 b6 29.Ra6=+) 28.Kg3 (28.Rb1 Ng4 29.Bg4 hg4=) 28...Nc7 (28...d4!? 29.Bd2 b6=+) 29.Rb1 (29.Bd4 Nd7+=) 29...b5 30.Bf4 (30…Kc6 31.Bc7 Kc7 32.Rb5+=). Pommerel,Wim – van der Kooij,Jaap, NLD e–mail ch, 1997.

6.Bg7 Qh4 7.g3 fg3 8.Bg2 gh2 9.Kf1 Nh6 10.Bh8 Ng4 11.Qe2 Qg3.

5.fe5 Nc6

6.ed6 cd6 7.Bg7 Qh4 8.g3+–.

6.ed6 Qd6?! 7.Bg7 Bg1 A) 8.Rg1?? Qh2 9.Qc1 A1) 9...Qg1?! 10.d3-/+ (10.Bh8? Nh6 11.Nc3 Ng4–+); A2) 9...Qg3 10.Kd1 Qg7–+; B) 8.Bh8 Bh2 9.d3 Bg3 10.Kd2=+.

6.ed6 Bd6 7.Nf3 Nf6 8.e3 0-0 9.Bb5 Bd7 10.0-0 a6 11.Bc6 Bc6 12.Nd4 Bd7 13.Nf5 Bf5 14.Rf5 Qd7 15.Qf3 Be7 16.Bf6 Bf6 17.Rf6 gf6 18.Qb7 Qd6 19.Qf3 c5 20.Kh1 Rad8 21.a4 Qb6=+ Black gets deadly initiative 22.Qg3 Kh8 23.Na3 Qb2 24.Qe1 Rfe8 25.a5? Re4 26.Qf1-/+ Kg7 27.d4 cd4 28.Nc4 Qc3 29.Ra3 Qc2 30.Nb6 de3 31.Nd5 (31.Ra1 e2 32.Qe1–+) 0–1. mrkt (2370) – Frenzee (2475), ICC, 2003.

6.ed6 Bg1 7.Rg1 Qd6 8.g3 Nf6 9.e3 Bg4 10.Be2 h5 11.Bf6 Qf6 12.Nc3 Ne5 13.Rf1 Qe7 14.Qb1 0-0-0 15.Qb4 c5 16.Qb3 Rh6 (16...Be2 17.Ne2 Rd7-/+) 17.0-0-0 (17.Nd5!? Qd7 18.e4-/+) 17...Kb8–+ 18.h4 Be2 19.Ne2 Rb6 20.Qa2 f6 (20...c4 21.Rf4–+) 21.Nc3-/+ Rbd6 22.a4 Qd7 23.Ne4 Rd5 24.Rf2 Ng4 25.Re2 a6 26.Nc3 Rf5 27.Qb3 Rf2 28.Rde1 Rf3 29.Qb6 Qe7 (29...Rg3 30.Ne4 Rh3 31.Nc5+–) 30.Rg1 Ne5 31.Qb3 Nc6 32.Qa2 Na5 33.Reg2 Qd7 34.Nd1 Nc6 35.Nc3 Qf5 36.Nd1 (36.e4 Qe5–+) 36...Ne5 37.Qb3 Rd6 38.Qg8 Ka7 39.Qa2 (39.Qg7 Qe4 40.Qc7 Qa4–+) 39...Rd3 (39...c4 40.Qb2–+) 40.a5 (40.cd3?? Nd3 41.Kb1 Nb4 42.Ka1 Na2 43.Ka2 Rf1–+) 40...c4 41.Qb1 (41.cd3?? Nd3 42.Kb1 Nb4 43.d3 Qd3 44.Qc2 Nc2 (worse 44...Qc2 45.Rc2 Nc2 46.Kc2+=) 45.Rc2 Rf5–+) 41...Rd5 42.Qb6 Kb8 43.Qb4 Qg4 44.Qf8 Ka7 45.Nc3 Ra5 46.Qd6 Nc6 47.Kb2 Rff5 48.Re1 Rfe5 49.Rf1 Qc8 50.Rb1 b5 51.Ne2 b4 52.Nd4 Nd4 53.Qd4 Ka8 54.Kc1 Red5 55.Qe4 b3 (55...b3 56.d4 Qc6–+) 0–1. pvanr (2175) – the_caboose (2200), gameknot.com, 2014.

6.ed6 Bg1 7.Rg1 Qd6 8.g3 Nf6 9.e3 Bg4 10.Be2 h5 11.Bf6 Qf6 12.Nc3 Ne5 13.Rf1 Qe7 14.Nd5 Qd6 15.Nf4 (15.e4 c6 16.Ne3 0-0-0 17.Bg4 A) 17...Ng4?! A1) 18.Rf7? Ne3 (18...Nh2?! 19.Rb1=+) 19.de3 Qe5–+; A2) 18.Ng4 hg4 A21) worse 19.Rf7 Qg6 20.Rf2 Qe4 21.Qe2 Qh1 22.Rf1 Qd5 (worse 22...Qh2 23.Qg4 Rd7 24.0-0-0=) 23.Qg4 Rd7-/+; A22) 19.Qg4 Kb8 20.Rf2=; B) 17...hg4 18.Ng4 Rd7-/+) 15...0-0-0 16.Nd3 Bh3 17.Ne5 Qe5 (17...Bf1 18.Nc4 Qe6 19.Bf1+–) 18.Rf4 (18.Rf2 h4 19.gh4 Rh4-/+) 18...g5 19.Rf2 (19.Rf3 h4 20.Rb1 hg3 21.Rg3 Bd7–+) 19...h4–+ 20.g4 Rd2 21.Kd2 Re8 22.Rf3 Bg4 23.Ke1 Rd8 24.Qc1 Bf3 25.Bf3 c6 26.Rb1 f5 27.Kf1 (27.Be2 Qh2 28.Bd3 f4–+) 27...g4 28.Qb2 Qb2 29.Rb2 gf3 30.Rb4 (30.h3 Rd1 31.Kf2 Rh1–+) 30...Rd1 31.Kf2 Rd2 32.Kf3 Rh2 33.Rf4 Rc2 34.Rh4 b5 35.Rh6 0–1. Pierre – Grevand, internet, 2020.

6.ed6 Bg1 7.Rg1 Qd6 8.Bg7?? Qh2 9.Qc1 A) 9...Qg1?! 10.d3 (10.Bh8? Nh6 11.Nc3 Ng4–+) 10...Nh6 11.Qh6-/+; B) 9...Qg3 10.Kd1 Qg7–+.

6.e6 fe6 7.Bg7 Qh4 8.g3=.

6.e6 Nh6 7.Nf3 0-0 8.ef7 Nf7 9.e3 Ng5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qg5 13.0-0 Bh3 14.Rf2= Rf5 15.Nc3 White is in command 15...Bb6 16.Ne4 Qe7 17.g4 Rf7 18.Bh1 Raf8 19.Rf7 Qf7 20.Qe2 h5 21.gh5 Qf5 22.Bg2 Bg4 23.Qc4 d5 24.Qc3 Nd4 25.Ng3 Qf2 26.Kh1 Bf3 27.Rg1 Bg2 28.Rg2+= Qf1 29.Nf1 Rf1 30.Rg1 Rg1 31.Kg1 Ne2 32.Kf2 Nc3 33.Bc3 Kh7 34.Kf3 c6 35.d3 Kh6 36.Be5 Bc5 37.a4 a5 38.c4 dc4 39.dc4 b5 40.cb5+– cb5 41.ab5 a4 42.e4 a3 43.Kg4 a2 44.Ba1 Kh7 45.e5 Kg8 46.Kf5 Kf7 47.e6 Ke7 48.Bg7 Ke8 49.h6 Bf8 50.b6 Bg7 51.b7 Be5 52.h7 Ke7 53.h8Q! a1Q 54.Qh7 Bg7 55.Qh4 Qf6 56.Qf6 Bf6 57.b8Q Be5 58.Qe5 Kf8 59.e7 Ke8 60.h4 Kd7 61.e8Q# 1–0. mrkt (2335) – Spork (2495), ICC, 2003.

6.e6 Nh6 7.Nf3 0-0 8.ef7 Nf7 9.e3 Ng5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qh6 13.0-0 Bh3 14.Rf2 Ne5 15.Be5= de5 16.Qe2 Qe6 17.Nc3 c6 18.Ne4 Be7 19.d3 Qh6 20.a4 Rf7 21.Rb1 b6 22.a5 b5 23.Bh5 Rff8 24.g4= g6 25.Rf3+= gh5 (25...gh5 26.Rh3 h4+=; 25...Rf3 26.Qf3 gh5 27.Qh3+=). mrkt (2305) – Spork (2640), ICC, 2003.

6.e6 Nh6 7.Bg7 Rg8 8.d4 Nd4 9.ef7 Nf7 10.Bd4 Qh4 11.g3 Qd4 12.Qd4 Bd4-/+.

5.fe5 de5

6.e3 Nc6 7.h3?? (better 7.Nf3 Nf6 8.Ne5 Ne5 9.Be5-/+) 7...Qh4–+ 8.Ke2 Bg4! 9.Nf3 (9.hg4 Qh1 Pinning (9...Qh1 Deflection)) 9...Bf3 (9...0-0-0!? 10.Qe1 Qh5 11.Kf2–+) 10.gf3 0-0-0 11.Nc3 Nf6 12.d3 (12.Qe1 Qh6–+) 12...Nh5 13.Ne4 (13.Qe1 Qe1 14.Re1 Ng3 15.Kf2 Nh1 16.Kg2 Rhe8–+) 13...Bb6 (better 13...f5 14.Nc5 Ng3 15.Kd2 Nh1–+) 14.c4 (14.Qe1 Qe1 15.Ke1–+) 14...f5 15.Nf2 (15.Qe1 Qe1 16.Ke1 fe4 17.fe4 Be3–+) 15...Ng3 Black prepares e4 (better 15...Nf4!? 16.Kd2 Qf2 17.Kc1 Qe3 18.Kc2–+) 16.Kd2 Nh1 (better 16...Be3 17.Kc2 Bf2 18.Rh2–+) 17.Nh1 e4 (17...Na5 18.Kc2 Nc4 19.dc4 Rd1 20.Rd1–+) 18.fe4 (18.Kc2 ed3 19.Bd3 Rhe8–+) 18...fe4 (18...Qe4 19.Be2–+) 19.d4 (19.Qg4 Qg4 20.hg4 ed3 21.Bd3–+) 19...Nd4! 20.ed4 (20.Bd4 Bd4 Pinning (20...Bd4 Decoy); 20.ed4 Bd4 Pinning (20...Bd4 Decoy)) 20...Bd4 21.Kc2 Bb2 22.Ra2 (22.Qe1 Qf6 23.Rb1–+) 22...Rd1 23.Kd1 Rd8 24.Kc2 Bf6 25.Kb3 (25.Be2 Qh3 26.Bg4 Qg4 27.Kb3 Qd1 28.Rc2 Rd3 29.Kb4 Be7 30.c5 Qc2 31.Ng3 Ra3 32.Ka3 Bc5) 25...Qf4 26.Be2 (26.Rc2 Qf1 27.Ka4 Qd1 28.Kb3 Rd3 29.Kb4 Be7 30.c5 Qc2 31.Ng3 Ra3 32.Ka3 Bc5) 26...Qe3 27.Kb4 (27.Ka4 b5! 28.Kb4 Qc3 29.Kc5 Bd4 30.Kc6 Rd6 31.Kb5 Qb3 32.Ka5 Bc3) 27...Be7 (27...Qc3 28.Ka4 b5 29.Kb5 Qb3 30.Ka5 Bc3 31.Ka6 Qb6) 28.Ka4 (28.c5 Rd4 29.Bc4 Qd3 30.Rc2 Qc2 31.Ka5 Rc4 32.Ng3 Qa4) 28...Rd6 29.Bg4 (29.Bd3 Qd3 30.Kb4 Rd5 31.c5 Rc5 32.Ng3 Qc4) 29...Kb8 30.Nf2 (30.c5 Rd4 31.Kb5 Qb3 32.Ka5 Qa4) 30...Ra6 31.Kb5 Qb6 (31...c6) 0–1. valerypavlovich – vhilts, net–chess.com, 2017.

6.e3 Nf6–+.

6.Be5 Qd7?? 7.Bg7+– Bd4 8.Bh8 Bh8+–.

6.Be5 Qd7?? 7.Bg7+– Qf5?? 8.Nf3 Nh6 9.Bh8 Ng4 (9...Be6 10.d4 Bb6 11.Qd2+–) 10.e3 Nc6 11.h3 Nge5 12.d4 Be7 (12...Nf3 13.Qf3 Bd6+–) 13.Ne5 Bh4 14.Kd2 Qf2 (14...Bg5 15.Nc6 Qf2 16.Qe2 Be3 17.Kd1 bc6 18.Qf2 Bf2 19.Bd3+–) 15.Qe2 Qg3 (15...Qe2 16.Be2 Ne7 17.Rf1+–) 16.Nc6 bc6 17.Be5 Bf5 18.Bg3 Bd3 19.Qf3 Bg5 20.Qc6 Ke7 21.Qc5 Kf6 1–0. lucya (2105) – chrisdavies, GameColony.com, 2002.

6.Be5 f6 7.Bb2 Nc6 8.e3 Bd7?? (better is 8...Bf5=) 9.Qh5+– (9.Qh5 g6 10.Qc5+–) 1–0. Janek – wazzabet, internet, 2017.

6.Be5 f6 7.Bc3 Nc6 8.e3 Bd6 9.Qh5 g6 10.Qf3 Ne5 11.Be5 Be5 12.d4 Bd6 13.Nd2 Nh6 14.Bc4 Bg4 15.Qb7+/– Nf5 16.Qe4+– (16.Qe4 Kf8 17.Qg4 Ne3 18.Qe4+–) 1–0. guest5345 – guest5984, ICC, 2005.

6.Be5 f6 7.Bc3 Bd4 8.e3+= Bc3 9.Nc3 Ne7 10.Bc4 a6 11.Nf3 b5 12.Ba2 c5 13.a4 Bd7? (13...b4 14.Ne4 Qb6 15.Qe2+=) 14.Nh4 (14.ab5 Qb6 15.ba6 Ra6+–) 14...c4 (14...Kf8 15.0-0 c4 16.d3+–) 15.ab5+– Bb5 (15...Be6 16.0-0+–) 16.Qg4 (better 16.Nb5 ab5 17.Bc4 Ra1 18.Bb5 Nbc6 19.Qa1+–) 16...0-0?? (better 16...g5 17.Nf5 Qd7+–) 17.Nb5+– ab5 18.Bc4! bc4 19.Qc4 (19.Ra8?! Qd5 20.Ra3 Nbc6+–) 19...Qd5 20.Qd5 Nd5 21.Ra8 Nb6 22.Ra7 N8d7 (22...Nc6 23.Rb7 Nc4 24.Ke2+–) 23.Ke2 Ne5 (23...Rc8 24.Rc1+–) 24.Nf5 Nf7 (24...Rf7 25.Rha1+–) 25.Rb1 Nc8 (25...Nc4 26.Rbb7 Nce5 27.Nd6+–) 26.Rb8 Na7 (26...g6 27.Rc8! gf5 28.Rf8 Kf8 29.Rf7 Kf7+–) 27.Ne7 (27.Ne7 Kh8 28.Rf8) 1–0. Pierre – John_Cson, internet, 2020.

6.Be5 f6 7.Bc3 Bg4 8.Nf3 Ne7 9.e3 Nd5 10.Bb2 0-0 (10...Nc6 11.Bb5=) 11.c4 Nb6 (11...Ne7!?=) 12.d4+= Be7 13.c5 Nd5 14.Qb3 c6? (better 14...Be6!?+–) 15.e4+– (15.Qb7?! Ne3 16.Qa8 Qc7+–) 15...Bf3 (better 15...b6+–) 16.gf3 (16.Qf3?! Nc7+–) 16...Kh8 17.ed5 Qd5 18.Qd5 (18.Qb7 Nd7 19.Bc4 Qc4 20.Qd7 Qc2-/+) 18...cd5 19.Nc3 Rd8 20.0-0-0 Nc6 21.f4 Na5 (21...b6 22.Bb5 Na5 23.Rhe1+–) 22.Bg2 Nc4 (22...Rd7 23.Bh3 Rad8 24.Rhe1+–) 23.Nd5 (better 23.Rhe1 Bf8+–) 23...Re8 (23...Rd7 24.Rhe1 Bf8 25.Ne3 Nb2 26.Kb2+–) 24.Nc7 Nb2 (24...Ne3 25.Bb7 Nd1 26.Rd1+–) 25.Kb2 Rab8 26.Ne8 Re8 27.Rhe1 Kg8 28.Bb7 Kf8 29.Rb1 Bd8 (29...Rb8 30.Kc2 Rd8 31.Bc6+–) 30.Re8 Ke8 31.Bc6 Kf7 32.Kc3 g5 (32...Ba5 33.Kd3+–) 33.Rb7 (33.Rb7 Kg6 34.fg5 Kg5 35.Rh7+–) 1–0. Trokenheim,Marek (1800) – Schmidt,Michael Wilhelm (1800), FICGS, 2008.

6.Be5 Bg1 7.Rg1 f6 8.Bb2 (8.Bc3 Qd6 9.g3 Nh6=+ 10.h3 Nc6 11.e3 Nf7 12.Bb2 Bf5 13.Nc3 0-0-0) 8...Bg4 9.Nc3 Qd6 (9...Ne7 10.g3= c6 11.Qb1 Nd7 12.Bg2 Be6 13.Rf1 Nb6) 10.Rh1 Ne7 11.d3 (11.Qc1 Nbc6= 12.e3 Nd5 13.Kf2 Rd8) 11...Nbc6 (11...Nd7 12.Qd2=+ Be6 13.e3 0-0) 12.Qd2 (12.Ne4 Qe6 13.h3 Bf5) 12...0-0-0 13.0-0-0 (13.e3 Rhe8=+) 13...Nd5 (13...Rhe8 14.h3 Be6 15.g4=+) 14.Nd5 Qd5 15.h3 Bh5 (15...Qh5 16.Qf4 Be6 17.e3=+) 16.e4= Qa2 (16...Qd6 17.g4 Bf7 18.Bg2=) 17.g4 Bg6 18.Qc3 (18.Bg2 Rhe8=) 18...Rhe8 (18...Rd6 19.Bg2=) 19.g5 (19.h4=) 19...Kb8 (better 19...fg5!? 20.Be2 Re7=) 20.gf6+– gf6 21.Qf6 Rd6 22.Qg7 Nd8 23.Rh2 (23.Qc3 Rc6 24.Qb4 Rb6=) 23...Ne6+= 24.Qe5 Rb6 (24...Nd4 25.Qa5+= (worse 25.Bd4 Re5 26.Be5 Qa3 27.Bb2 Qc5=+)) 25.c4 (25.c3 Rd6 26.Qb5 Rc6+=) 25...a6 (25...Rc6 26.Rg2+–) 26.Rf2 (26.h4 Qb3+–) 26...Rd6 (26...Rc6 27.Qc3 Nc5 28.Qb4=) 27.h4 (27.Bg2!?+–) 27...b6= 28.Kc2 (28.Qc3 Nc5 29.Re1 Red8=+) 28...Nd4 29.Qd4 Rd4 30.Ra1 Qa1 31.Ba1 Rd7 (31...Rd6 32.Be2 h5 33.e5=) 32.Bf6 (32.Bh3 Rd6=) 32...Rf8 (32...Rf7 33.Bh3=) 33.Kc3 Be8 (33...h6 34.Rf4+=) 34.e5 (34.d4 Rg7 35.e5 Rg3 36.Kb2 Bg6+=) 34...Rg7 (34...c5 35.Bg2+=) 35.c5 (worse 35.Bg7 Rf2 36.Bh3 c5-/+) ½–½. pcmvr – hun, net–chess.com, 2016.

6.Be5 Bg1 7.Rg1 Nf6 8.e3=+ Nc6 9.Bb5 Bd7 10.Bb2 a6 11.Bc6 Bc6 12.g3 0-0 13.Rf1 Ne8.

6.Be5 Bg1 7.Rg1= Qh4 8.g3 Qh2 9.Rg2 Qh6 10.Bc7 Nf6 (10...Bh3 11.Rf2=) 11.Nc3 0-0 (11...Qh1 12.Qb1=) 12.e3 Bg4 13.Qb1 Bf3 14.Rf2 (better is 14.Bd6 Rd8 15.Rf2 Rd6 16.Rf3=) 14...Nd5?? (better is 14...Qh1 15.Bd6 Rc8=+) 15.Qb7+– Nc7 16.Qf3 Nd7 17.Bg2 (17.Qf4 Qb6+–) 17...Qd6 (17...Rab8 18.Qf4 Qb6 19.Rb1+–) 18.Qc6 Qc6 19.Bc6 Rad8 20.Rb1 Nb6 21.Be4 (21.a4 Ne6+–) 21...Ne6 (21...Ne8 22.d3+–) 22.Rb5 (22.Nb5 a6 23.Nc7 Nc4 24.Ne6 fe6 25.Rf8 Kf8+–) 22...g6 (22...Rfe8 23.a4+–) 23.g4 Nc4 24.Rb4 Nd6 (24...Rc8 25.Bd3 Ne5 26.Be2+–) 25.Bd5 Ng5 26.Ra4 Rd7 (better is 26...Nc8+–) 27.Bc6 Rc7 (27...Rdd8 28.Ra7 Kg7 29.a4+–) 28.Nd5 Rc6 (28...Rcc8 29.Ne7 Kg7 30.Nc8 Rc8 31.Ra6+–) 29.Ne7 Kg7 30.Nc6 Nde4 (30...Rc8 31.Nd4 Nde4 32.Rf1+– (32.Ra7?! Nf2 33.Kf2 h5+–)) 31.Rf4 (31.Ra7?! Nf2 32.Kf2 Rc8+–; 31.Na7?! Nf2 32.Kf2 Ra8+–) 31...f5 (31...Rc8 32.Na7 (< 32.Rae4 Ne4 33.Ne7 Rc4+–; 32.Rfe4?! Ne4 33.Ne7 Nc5+–) 32...Rc2 33.Rae4 Ne4 34.Re4+–) 32.Ra7 Kh6 (32...Kf6 33.gf5 gf5+–) 33.gf5 gf5 (33...Kh5 34.fg6 Nf3 35.Ke2 Ng1 36.Kf1 Rf4 37.ef4 Nd2 38.Kg1 Kg6 39.Ne7 Kf6 40.Nd5 Kg6+–) 34.Rh4 Kg6 35.Ne5 Kf6 36.Rh6 Ke5 37.Ra5 Nc5 38.Rc5 Ke4 39.Ke2 f4 (39...Rd8 40.d3 Rd3 41.cd3) 40.d3 1–0. market (2270) – fub (1925), GameColony.com, 2002.

6.Be5 Qg5 7.Bc7? Bg1 8.Bg3 Bc5–+.

6.Be5 Qg5 7.Nf3+= Qg6 8.Bc7 Nc6 (8...Bf5 9.Ra2+=) 9.d4+/– Be7 10.d5 Nd8 11.e3 Bd6 (11...Bd7 12.Ne5 Qg5 13.Qd4+/–) 12.Bb5 Bd7 13.Bd7 Kd7 14.Bd6 Qd6 15.c4 f6 (15...Nf6!? 16.0-0 Re8+/–) 16.0-0 Nf7 17.Nd4 Ne5 18.Ne6 Ne7 19.Nc3 a6 20.c5 Qb8 21.Rb1 Nc4 22.Qa4 1–0. market (2170) – pagnol (1925), GameColony.com, 2002.

6.Be5 Qh4 7.g3 Qe4 8.Nf3 f6 9.Nc3 Qc6 10.e4 fe5? (10...a6 11.Nd4 Qd7+–) 11.Bb5 (11.Bb5 Nh6 12.Qe2+– (12.Ne5?! Bf2 13.Ke2 0-0 14.Bc6 Nc6+–)) 1–0. marekt (2110) – awnatari (1750), gameknot.com, 2014.

6.Nf3 f6 7.d4 ed4 8.Nd4 Ne7 9.e3 Bd4 (not finished). Dardoura,Khaled – Pereyra,Marcelo Malgarejo, corr KMG–33, 1995.

6.Nf3 f6 7.e3 Ne7 8.Bc4 Bg4 9.Nc3 Qd7 10.d4 Bb6 11.de5 Qd1 (worse 11...Be3 12.ef6 gf6 13.Qe2 Bf3 14.gf3+– (14.Qf3?! Qd2 15.Kf1 Nd7+–; 14.Qe3?! Bg2 15.Be6 Qc6+–)) 12.Rd1 fe5 13.h3 Bf3 14.gf3 Be3 (14...Nf5!? 15.Nd5 Nc6=) 15.Nb5+= Na6 16.Be5 Rf8 17.Bc7 Rf3? (better 17...Nf5+=) 18.Ke2+– Rg3 (18...Bf4 19.Kf3 Bc7+–) 19.Bg3 (19.Bg3 Nf5 20.Nd6 Nd6 21.Rd6+– (21.Ke3?! Nc4 22.Kf3 Nc5+–)) 1–0. varcany (2060) – awnatari (1750), gameknot.com, 2014.

6.Nf3 Bh3?? 7.gh3 e4 8.e3 ef3 9.Qf3+=.

6.Nf3 Bh3?? 7.gh3 e4 8.Bg7?! ef3 9.ef3 Qh4 10.Ke2 Nc6=+.

6.Nf3 Bh3?? 7.Be5 f6 8.Bf4 Be6=.

6.Nf3 Bh3?? 7.Be5 Nf6?? 8.gh3+– Nc6 9.Bf6 (9.Bg3 Qe7+–) 9...Qf6 10.c3 Ne5 (10...0-0-0 11.Qa4+–) 11.Ne5?? (Better is 11.Qa4 Kd8 12.Ne5 Bf2 13.Kd1 Qe5 14.Bg2+–) 11...Qh4 0–1. b4_player (1855) – Monarch (1635), GameColony.com, 2002.

6.Be5 Bd4

7.Bd4= Qd4

8.Nc3 a6 9.Nf3 Qd8 10.e3 Nf6 11.Be2 0-0 12.0-0 Nc6 13.Ng5 h6 14.Nge4 Ne4 15.Ne4 Ne7 (15...Qe7 16.Nc3=) 16.Bf3 Ng6 17.Nc5 Rb8 18.Rb1 b6 19.Qe2 a5 20.Rb5 (20.d4 Qd6+=) 20...Bd7 21.Nd7+= Qd7 22.d4 Rfe8 23.Bd5 Re7 24.Qc4 Rf8 25.e4 Qg4 26.g3 Nh4 27.Qb3 Ng6 28.c4 Re4 29.Be4+/– Qe4 30.Rd5 Ne7 31.Rd7 Nc6 32.Qf3 Qf3 33.Rf3+– f6 34.Re3 Nb8?? 35.Rc7 Rf7 36.Re8 Rf8 37.Rf8 Kf8 38.Rc8 1–0. b4_player (2130) – rolly21 (1645), GameColony.com, 2002.

8.Nc3 Bg4 9.Nf3 Bf3 10.ef3 Ne7 11.Rb1 b6 12.Rb4 Qd8 13.Be2 0-0 14.0-0 a5 15.Re4 Nbc6 (15...Nd7 16.f4=) 16.Re1 Nd5 17.Bc4 Nc3 18.dc3 Qf6 (better is 18...Qd1!? 19.Rd1 Rfd8=) 19.Qd7+/– Rad8 (19...Qd6 20.Qd6 cd6 21.Bd5+/–) 20.Qc7 Rc8?? (better is 20...Qd6 21.Qb6 Rb8+/–) 21.Qc8!+– 1–0. b4_player (2180) – zoki (2150), GameColony.com, 2002.

8.Nc3 Nf6

9.e3 Qh4 10.g3 Qg5 11.Nf3 Qa5 12.Bg2 Bg4 13.Qb1 0-0 (13...Bc8!?+=) 14.Qb7+/– Nbd7 15.Qb5 Qb5 16.Nb5 c6 17.Nbd4 c5 18.Nc6 c4 (Better is 18...Rfe8!?+/–) 19.Nfd4+– Rae8 (19...Kh8 20.Nb5+–) 20.Na7 c3 21.Nac6 cd2 22.Kd2 Nc5 23.Rhf1 Nce4 24.Kd3 Nc5 25.Kc4 Nce4 26.Rfe1 Be6 27.Kb5 Bd5 28.Be4 Ne4 29.c4 Bc6+/– 30.Nc6 Re6 31.a4 Nc3 32.Kb4+– Na4 33.Na5 Nb6+/– 34.e4 h6 35.Nb3 Rb8 36.Kc3 g5 37.Nd4+– Ree8 38.c5 Rbc8 39.c6 Nd7 40.Ra7 Ne5 41.c7 Re7 42.Nb5 Nc6 43.Ra6 Nd8 44.Rea1 Ne6 45.Ra8 Ree8 46.Rc8 Rc8 47.Ra7 Kf8 48.g4 Ke7 49.e5 Kd7 50.Kc4 Nc7 51.Nd6 Rf8 52.Kc5+– f6? 53.e6! Ke6 54.Rc7 Ra8 55.Rh7 Ra4 56.h3 Ra5 57.Kb4 Rd5 58.Nf5 Rd1 59.Re7 Kd5 60.Rd7 Ke4 61.Rd1 Kf4 62.Rf1 Ke5 +–. marekt (2270) – aissanov (2155), ICC, 2003.

9.Nf3 Qd6 10.e3 Nc6 11.Bd3=.

9.Nf3 Qd6 10.e3 Nbd7 11.Nb5 Qc5=.

9.Nf3 Qd6 10.e3 Nbd7 11.Be2 0-0 12.Nb5 Qc5 13.0-0 Re8 14.Qe1 h6 15.Nfd4 a6 16.Nc3 Qg5 17.Rf5+/– Qg6 18.Bd3 h5 19.Rc5 Qg4 20.Be2 Qg6 21.Rc7 Ng4 22.Qg3+– Nde5 23.Bg4 hg4+/– 24.Nd5 Qd6 25.c4 Be6 26.Ne6 Qe6 27.Rb7+– Nc4 28.Nc7 Qe4 29.Ne8 Qb7 30.Nf6 Kf8 31.Ng4 Qd5 32.d4 Re8 33.Rc1 Qe4+/– 34.Qh3 Kg8 35.Qf3 Qf3 36.gf3 Ne3? 37.Re1 1–0. market (2225) – wiur (2205), GameColony.com, 2002.

9.Nf3 Qd6 10.e4 Nbd7=.

9.Nf3 Qg4 10.e4=.

6.Be5 Nf6

7.e3 Bd6 8.Nf3 0-0 9.Nc3 Bg4 (9...Be5 10.Ne5 Re8 11.Nf3=) 10.Bf6= Qf6 (worse is 10...gf6 11.Be2+/–) 11.Ne4 Qe7 12.Nd6 Qd6 13.Be2 Nd7 14.0-0 Nf6 15.h3 Bf3 16.Bf3 (16.gf3? Qg3 17.Kh1 Nh5–+) 16...c6 17.c4 Rfe8 18.Ra2 Rad8 19.Qa4 a6 20.Rb1 Qe7 21.Rab2 Rd7 22.Qc2 (22.Qa5+=) 22...Ne4 Exerts pressure on the backward pawn (22...Red8 23.Qc3 Ne4 24.Be4 Qe4 25.Rb7 c5+/–) 23.Be4+/– Qe4 24.Qe4 Re4 25.Rb7 Rb7 26.Rb7 h5 27.Rb8 Kh7 28.Rb4 c5 29.Ra4 Re6 30.Kf2 Rd6 31.d4 cd4 32.c5 de3 33.Ke3 Rc6 (better is 33...Rg6!?+/–) 34.Kd4+– Rg6 35.Rc4 Rg2 36.c6 Rd2 37.Kc5 Rd8 38.c7 Rc8 39.Kb6 g5 40.Ka6 g4 41.Kb7 (worse is 41.hg4 hg4 42.Kb7 Rc7 43.Kc7 f5+–) 41...Rc7 42.Rc7 Kg6 43.hg4 hg4 (43...Kg5 44.gh5 f5 45.a4+–) 44.a4 f5 45.a5 g3 46.a6 g2 47.Rc1 1–0. pcmvr – rayfranke (2515), net–chess.com, 2016.

7.e3 Nbd7 8.Bb2 0-0 9.Nf3 Nb6 10.Be2 Be6 11.0-0 Ne4 12.Bd3 Qd5 13.Nd4.

7.e3 Nbd7 8.Bc3=+.

7.e3 Bg4 8.Bb5 c6 9.Be2=+.

7.e3 Bg4 8.Be2 Qd5 9.Bg4 Qe5 10.Ra2+=.

7.e3 Bg4 8.Be2 Qd5 9.Bg4 Qe5 10.Bc8 Nbd7 11.Bd7 Nd7 12.Nc3 Qe7 13.Qf3 c6 14.Qe4 Nf6 15.Qe7 Ke7 16.Nf3 Rad8 =.

7.e3 Bg4 8.Bf6 Qf6-/+ 9.Qg4 Qa1 10.Qc8 Ke7 11.Qh8 Qb1 12.Kf2 (12.Ke2 Qc2 13.Qg7 Nd7=+) 12...Qc2 13.Nf3 Ba3 14.Bb5 Bb2?? (14...Qc5 15.Qe8 Kf6 16.Qd8 Kg6 17.Bd3 f5+–) 15.Qe8+– Kd6 16.Qf8 Kd5 17.Qf7 Kd6 18.Qf8 Kd5 19.Bd3 (better 19.Qd8!? Kc5 20.Qc7 Nc6 21.Qb7 Rc8+–) 19...Qc6 (19...Qd3 20.Qd8 Kc4 21.Rc1 Bc1 22.Ne5 Kb5 23.Qd3 Kc5 24.Qd4 Kb5 25.Qc4 Kb6 26.Qc1 a5+–) 20.e4?? (20.Qe7 Qb6 21.Rb1 Qf6 22.Be4 Kc4 23.d3 Kb3 24.Qc7 Qc3 25.Qb7 Ka3+–) 20...Ke6 21.e5 (better 21.Ng5 Kd7 22.Qf7 Kd8 23.Ne6 Qe6 24.Qe6+–) 21...Kd5?? (21...Qb6 22.Ke1 Kd7 23.Qf7 Kd8+–) 22.Qg8 Kc5 23.Qc4 (23.Qc4 Kb6 24.Qb4 Qb5 25.Qb5) 1–0. pcmvr – crusher, net–chess.com, 2017.

7.Nf3 Nc6 8.Bb2 0-0 9.e3 Bg4 10.Be2 Ne4 11.Nc3 f5 12.d4 Bd6 13.Nb5 Bf3.

7.Nf3 Nc6 8.Bb2 a6 9.e3 0-0 10.Be2 Qe7 11.Nc3 Bf5 12.0-0 Rad8 13.Qc1 Ng4.

7.Nf3 Nc6 8.Bb2 Bd6 9.Nc3 (9.e3 Bd7= (9...a6 10.Be2 0-0 11.0-0 Re8 12.Ng5 Ng4 13.Bg4 Qg5) 10.Be2 0-0 11.0-0 Re8 12.Bc4 Bg4 13.h3 Bf3) 9...0-0 10.e3 a6 (10...Ng4 11.Ne4=+ Nh2 12.Bd3 h6 13.Nf6 gf6) 11.Be2 Re8 12.0-0 Qe7 13.Bc4 Bg4 14.Qe1 (14.Ne2 Ne5 15.Be5 Be5 16.Ne5 Qe5=+) 14...Bf3 15.gf3 Be5 16.Kh1 (16.Qh4 Rad8 17.Bd3 b5=+) 16...b5 (16...Rad8 17.Bd3=+) 17.Bb3 Rad8 (17...Na5 18.d4 Bd6 19.e4 Nb3 20.cb3=) 18.Rg1 (18.d4 Bd6=+) 18...Nh5 (18...Qd6 19.Rg2=+) 19.Rd1 (19.Qf2 Na5=) 19...Na5 20.d4 (20.Ba2 Bc3 21.Bc3 Nc6= (worse 21...Qa3 22.Qh4 Qa2 23.Qh5+–)) 20...Nb3=+ 21.de5 Na5 (21...Nc5 22.Nd5 Qe6 23.e4= (worse 23.Nc7 Qc6 24.Rd4 Qf3 25.Rg2 Rd4 26.Bd4 Rc8 27.Bc5 Rc7-/+)) 22.Nd5 Qe6 23.e4 (23.Nf6 Nf6 24.ef6 Rd1 25.Rg7 Kh8 26.Qd1 Nc4= (26...Qe3?? 27.Rf7 Qe1 28.Qe1 Re1 29.Kg2+–)) 23...Nc4=+ 24.Ba1 (24.Bd4 A) worse 24...Na3 25.Nc7 Qh3 26.Qf2+= (26.Ne8 Qf3 27.Rg2 Nc2=); B) worse 24...Ne5 25.Be5 Qe5 26.Qh4+–; C) 24...f5 25.Nc7 Qf7 26.Ne8 Re8+–) 24...c6 (24...Qh3 25.Rd3 c6=+ (25...Ne5? 26.Be5 Rd5 27.Rd5 Qf3 28.Rg2+–)) 25.Nf6= Nf6 26.ef6 Qh3 (26...Rd1 27.Rg7 Kh8 28.Qd1+–) 27.Rg7+= Kh8 28.Rg3 (28.Qe2 Qh5+=) 28...Qc8 (28...Qh6 29.Rd3+=) 29.Bc3 (29.Rd3 c5+–) 29...Rd1+= 30.Qd1 Rg8 (30...Na3?? 31.Qc1 Rg8 32.Rg8 (32.Qa3 Rg3 33.hg3 Qh3 34.Kg1 Qg3 35.Kf1 Qf3 36.Ke1 Qe4 37.Kd1 Qh1 38.Be1 Qg1+=) 32...Qg8 33.Qa3+–) 31.Rg8 Qg8 32.e5 Ne3 (32...Na3 33.e6! h5 34.Qd7 c5 35.ef7 Qf8 36.Qd5 Kh7 37.Qf5 Kh8 38.Qh5 Qh6 39.Qh6) 33.Qd2 1–0. Benassi,Aspasio (2150) – Deforel,Jorge Eduardo (2055), IECG, 2004.

7.Nf3 Nc6 8.Bb2 Be6 9.e3=+ 0-0 10.Bb5 Na5 11.0-0 a6 12.Be2 Nc4 13.Bd4 Qe7.

7.Nf3 Nc6 8.Bb2 Qe7 9.e3 a6 10.Bc4 Bg4 11.0-0 Rd8 12.Qc1 Bf3 13.Rf3 Ne5.

7.Nf3 Nc6 8.Bb2=+ Bg4 9.e3 0-0 10.Be2 Qe7 11.0-0 Rad8 12.Qe1 Ne4 13.Bb5.

7.Nf3 Nc6 8.Bf6 Qf6-/+ (8...gf6?! 9.e3+=).

7.e3 0-0

8.Bb2 Nc6 9.Nf3 Bf5 10.Nc3 Qe7 11.Bd3 Bd3 12.cd3 Rad8 13.Qc2 Ng4 14.Ne4 Be3 15.de3 f5 16.0-0 fe4 17.de4 Kh8 18.Qb3 Qc5 (18...Qe4? 19.Ng5 Qe3 20.Qe3 Ne3 21.Rf7+–) 19.Rae1 a5 20.h3 a4 21.Qc3 Qc3 22.Bc3 Nf6 23.Nd4 Nd4 24.ed4 Rfe8 e4 gets attention 25.Rf4 c6 26.g4 h6 27.h4 Re6 28.Kf2 Rde8 29.e5 Nd5 30.Rf3 Kg8 31.Kg3 Rf8 32.Bd2 Re7 33.Rc1 Ref7 34.Rf7 Kf7 35.Rb1 b6 36.Rc1 Rc8 37.Kf3 Ke6 38.Ke4 b5 39.h5 Kd7 40.Rg1 Rh8 41.g5 hg5 42.Rg5 Rh7 43.Kf5 Ne7 44.Kg4 Nd5 45.Rg6 Kc7 46.Ba5 Kb7 47.e6 Kb8 (better is 47...Kc8!?=) 48.Rg5+/– Kc8 49.Kf5 Rh6 50.Ke5 (50.Rg7?! Rh5 51.Ke4 Nf6 52.Kf3 Rh3 53.Kf2 Ra3 54.Rc7 Kb8 55.Rc6 Kb7 56.Rb6 Ka7 57.Rb5 Ng4 58.Kg2 Re3+=) 50...Ne3 51.Kd6 Nc4 52.Kc6 Na5 53.Kb5 Nb3 54.d5 Kd8 55.Ka4 (55.Rg7?! Rh5 56.Rd7 Ke8=) 55...Nc5 56.Kb4 Ne4 (56...Nd3 57.Kc4 Nf4 58.a4 Nh5 59.a5+–) 57.Re5 (better is 57.Rg7!? Rh5 58.d6 Nd6 59.Rd7 Kc8 60.Rd6+/–) 57...Nd6+= 58.a4 Rf6 59.Rg5 Rf4 60.Kb3 Rf3 61.Kc2 Ne8 62.a5 (62.d6!?+=) 62...Ke7= 63.Kb2 Rf2 64.Kb3 Rf1 65.Kb4 Kd6 66.a6 Ra1 67.e7 Ke7 68.Rg6 Kd8 69.Kc4 ½–½. pvanr (1980) – randbauer (2055), gameknot.com, 2009.

8.Bb2 Nc6 9.Nf3 Bg4 10.Bd3 Qe7 11.h3 Bh5 12.0-0 Rfe8 13.Qe1 Rad8 (13...Bf3!? 14.Rf3 Ne5=) 14.Qh4+= Bg6 15.Bg6 fg6 16.Nc3 Rf8 17.Rab1 Bd6 18.Ng5 h6?? (better is 18...Qe5 19.Qc4 Kh8=) 19.Qc4+– Kh8 20.Ne6 Ne5 21.Qb3 1–0. pcmvr – jlbaf (2455), net–chess.com, 2016.

8.Bb2 Nbd7 9.Nf3 Nb6 10.Nc3 Be6 11.Bd3 Nc4 12.Rb1 Nb2 13.Rb2 b6 14.a4 Re8 15.0-0 Nd5 16.Nd5 Qd5 17.Qe1 h6 18.Rb1 Rad8 19.Qf2 c6 20.Rbd1 Re7 21.Qh4 f6 22.Rb1 ½–½. Benassi,Aspasio (2130) – Salzmann,Stefan (2095), SA–2011–0-00218, 2011.

8.Bb2 Nbd7 9.Nf3 Bd6 10.Be2 Qe7 (10...Nc5 11.Nc3=) 11.0-0 Ne5 (11...Re8 12.Qe1=) 12.Be5 Be5 13.Ne5 Qe5 14.Nc3 c5 (14...Rd8 15.Qe1=) 15.Rb1 b6 16.a4 (16.Bf3 Rb8=) 16...Rb8 (16...Be6 17.a5=) 17.a5 Rd8 (17...ba5 18.Rb8 Qb8 19.Bd3=) 18.Ra1 Be6 19.Qc1 (19.ab6 ab6 20.Ra7 Ra8 21.Ra8 Ra8=) 19...Nd5 (19...Qd6 20.ab6 ab6 21.Rd1=+) 20.Nd5= Qd5 21.ab6 ab6 (worse 21...Rb6 22.Ra7 Rdb8 23.Bf3+–) 22.d3 b5 Black intends c4 23.Bf3 Qd6 24.Ra7 (24.Be4 c4=) 24...b4=+ 25.Qb2 (25.Be4 c4=) 25...c4 26.d4 c3 27.Qc1 Bc4 28.Rf2 Rd7 29.Rd7 Qd7 30.Be2 Be2 31.Re2 Qd5 32.Qd1 (32.Qf1 Ra8=+) 32...b3 (32...Qe4 33.Qf1-/+) 33.cb3 Rb3 34.Qd3 g6 (34...Qb5 35.Qe4=+) 35.Kf2 (35.e4 Qb5 36.Qb5 Rb5–+) 35...Rb2 36.Qc3 Qf5 37.Ke1 Rb1 38.Kd2 Qd5 (38...Qb5 39.Kc2=+) 39.Qa3 Qc4 0–1. pcmvr – katagamsky, net–chess.com, 2017.

8.Bb2 Nbd7 9.Nf3 Be7 10.Be2= b6 (10...Nb6 11.Nc3=) 11.0-0 Bb7 (11...Re8 12.Bb5=) 12.Nd4 Nc5 (12...Bd6 13.Nf5=) 13.Nc3 (13.Nf5 Ne8+=) 13...Nce4 (13...Bd6 14.Nf5+=) 14.Ne4+= Be4 (14...Ne4 15.Bf3 Bg5 16.Qe2+=) 15.d3 (15.Bf3 Qd5+=) 15...Bb7 (15...c5 16.de4 cd4 17.e5+–) 16.Bf3+– Bf3 17.Qf3 (worse 17.gf3 Qd7=+) 17...Qd5? (better 17...Bc5+–) 18.Nf5+– Rfe8 (18...Bc5 19.Qg3 Nh5 20.Qg5+– (20.Qc7?! f6 21.h3 Rfc8+=)) 19.Qg3 (19.Ne7?! Re7 20.Bf6 Qf3 21.Rf3 gf6+–) 19...Nh5 20.Qg4 (20.Qc7?! Qe6+–) 20...g6 (20...Qe6 21.Qh5 Bf8+–) 21.Nh6 Kf8 22.Qd4 Qd4 (22...Qg2 23.Kg2 f6+–) 23.Rf7 (23.Bd4?! f6+–; 23.ed4?! f5 24.g4 Kg7 25.Nf5 gf5 26.gh5 Kf6+=) 1–0. pcmvr – jlbaf, net–chess.com, 2017.

8.Bb2 Ne4 9.Qf3 Re8 10.Bc4 Nd6 11.Qg3 Nf5 12.Qf2 b5 (12...Nc6 13.Ne2=) 13.Be2 (13.Bb5 Be3 14.de3 Ne3-/+) 13...Be3 (better 13...Nd6!?=+) 14.de3+= Ne3 15.Qg3 0–1. Janek – Guttesmann, internet, 2018.

8.Bb2 Re8 9.Nf3 Be6 10.Be2 c6 11.0-0 Bd6 12.Bf6 (12.Ng5 Nbd7=) 12...Qf6 13.Nc3 Qg6 14.Bd3 Qh6 15.Ne4 Bc7 16.Neg5 Bg4 (better is 16...Bh2!? 17.Kf2 Bd6=) 17.Bh7+/– Kf8 18.Ne5 (18.h3 Bh5+/–) 18...Re5+– 19.Rf7 Ke8 20.Qg4 Qg5 21.Qg5 Rg5 22.Rc7 Na6 (22...b5 23.Rf1 Nd7 24.Bf5+–) 23.Rb7 Nc5 24.Rc7 Ne6 25.Rc6 Kd7 26.Be4 Rb8 (26...Re8 27.Ra6 Nc7 28.Rg6 Rg6 29.Bg6+–) 27.Ra6 Nc5 (27...Re5 28.Ra7 Kd6 29.Bg6+–) 28.Ra7 Kd6 29.Bf3 Rb2 (29...Nd7 30.d4+–) 30.d4 Nd7 31.c4 Nf6 (31...Ke7 32.a4 Rg6 33.c5+–) 32.c5 (32.e4 Nd7+–) 32...Ke6 33.Rf1 1–0. pcmvr – ichess (2605), net–chess.com, 2016.

8.Bb2 Re8 9.Nf3 Bg4 10.Bc4 Nbd7 11.0-0 Bd6 12.h3 Be6 13.Be6 Re6 14.Nc3 Ne4 (14...Re8!?=) 15.Nd4+= Re8 16.Ne4 Re4 17.Nf5 Bf8? (better is 17...Be5 18.Rb1 Bb2 19.Rb2 b6+/–) 18.Qf3+– Qe8 (18...Re5 19.Be5 Ne5 20.Qb7 g6+–) 19.Nh6 (19.Nh6 Kh8 20.Nf7 Kg8 21.Ng5+–) 1–0. pcmvr – mgilbert (2125), net–chess.com, 2015.

8.Bb2 Re8 9.Nf3 Bg4 10.Bd3 Nc6 11.0-0 Qd6 12.Nc3 a6 13.Na4 Ba7 14.h3 Bh5 15.Bf6 Qf6 16.Qe1 Rad8 17.Nc3 Qe7 18.Qf2 Bg6 19.Bg6 hg6 20.Kh1 Bc5 21.a4 Bb4 0–1. Rooijen Van,Peter (1655) – Bujdak,Pavel (1825), SB–2009–0-00072, 2009.

8.Bb2 Re8 9.Nf3 Bg4 10.Bd3 Nc6 11.0-0 Qd6 12.Nc3 a6 13.h3 Bh5 14.Ne2 (14.Na4 Ba7=) 14...Ne4 15.Kh1 f5 (15...Rad8 16.Qe1=) 16.Qe1= Re7 17.Bc4 Bf7 (17...Kh8 18.d3 b5 19.de4 bc4 20.Nh4 fe4 21.Nf4+/–) 18.Bf7 Rf7 19.d3 Nf6 (19...Be3 20.de4 fe4 21.Nh2+/–) 20.Ng5+/– Rff8 (20...Re7 21.Rf5 Nd5 22.Ne4+–) 21.Ng3 (21.Qh4!? h6 22.Rf5+–) 21...Nd5 22.Nf5 Qg6 23.e4 Ne3 24.Qc3 (24.Ne3 Rf1 25.Nf1 Qg5+/–) 24...Nf5 25.Qc4 Kh8 26.ef5 Qg5 27.Qc5 Ne7 (27...Rf7 28.Rab1+/–) 28.g4 (28.Qe5 Ng8+/–) 28...c6 (28...Nc6 29.Qf2+/–) 29.Rae1 Rf7 (29...Nd5 30.f6! gf6 31.c4+–) 30.Bc1 (30.Qe3 Qh4+/–) 30...Qh4+/– 31.Kg2 Nd5 32.g5 (32.c4 Nf6 33.Qf2 Qf2 34.Rf2 Rd8+–) 32...Qa4 (32...Rd8 33.c4 Nc7 34.Qe3+/–) 33.c4 (33.Re4 Qb5 34.Qa7 Raf8+– (34...Ra7?? 35.Re8 Rf8 36.Rf8)) 33...Qc2 (33...Nc7 34.Re7 b6 35.Qe5 (35.Rf7?! bc5 36.Bb2 Nd5 37.cd5 Qb3 38.Bg7 Kg8+/–) 35...Re7 36.Qe7 Qc2 37.Kg1 Qd3 38.Qc7 Qh3 39.Qc6 Qg4 40.Qg2 Qd4 41.Kh2+–) 34.Rf2 (34.Qf2!? Qf2 35.Rf2 Nb6+–) 34...Qc3 35.Ref1 Rd8 (35...Nc7!? 36.Qd6 Ne8+–) 36.f6 g6 (36...gf6 37.Bb2 Nf4 38.Kh2+– (38.Rf4?! Qb2 39.R1f2 Qb1+/–)) 37.Bd2 Qd3 38.Re1 (38.cd5 Qe4 39.Rf3 Rd5+–) 38...h5 (38...Nf6 39.gf6 Kg8 40.Re3+–) 39.cd5 Rd5 40.Re8 Kh7 41.Qe3 (41.Qe3 Rdd7 42.Qd3 Rd3 43.Rfe2+–) 1–0. pvanr (2295) – marekt (2195), gameknot.com, 2016.

8.Bb2 Bf5 9.Nf3+= Nbd7 10.Bd3 Bd3 11.cd3 Re8 12.0-0 Ng4 13.Qb3 Bd6 14.Nc3 Nc5 15.Qc4 Nh6 16.d4 Ne4 17.a4 c6 18.Ne4 Re4 19.Ba3 Ba3 20.Ra3 Qd6 (20...Qe7 21.Rc3+=) 21.Rb3+/– b6 22.Rc1 Re6 23.Qa6 Qd8 24.Rbc3 Nf5 25.Rc6 Rc6 26.Rc6 Ne7 27.Rc3 Nf5 28.Qb7 Nd6 29.Qd5 Ne8 30.Qc6 Rb8 31.Ne5 Qh4 32.h3 Qe7 33.Qf3 Rb7 34.Rc8 Rc7 35.Ra8 (35.Ra8 Kf8 36.Nc6+–) 1–0. pcmvr – rirons (2530), net–chess.com, 2014.

8.Nc3 Nc6 9.Nf3 Ne5 10.Ne5 Qe7 11.d4 Ba3 12.Nb5 Bd6 13.Nc4 Bb4 14.c3 c6 15.cb4 cb5 16.Ne5 Ne4 17.Be2 Qb4 18.Kf1 Bf5 19.Nd3 Qe7 20.Bf3 a5 21.g4 Nc3 22.Qd2 Be4 23.Be4 Qe4 24.Rg1 b4 25.g5 f6 26.g6 hg6 27.Nf2 Qf5 28.Qd3 Qd3 29.Nd3 b3 30.Rc1 Rfc8 0–1. bolaf (2010) – cimabue (2075), gameknot.com, 2014.

8.Nc3 Nc6 9.Bg3 Qe7 10.Nf3 Bg4 11.Bd3 Ba3 12.Qb1 Bb4 13.0-0 Bc3 14.dc3 Rfb8 15.Qb3 a5 16.Nd4 Qe3 17.Bf2 Qg5 18.Bg3 Qc5 19.Bf2 Qd5 20.Bc4 Qh5 21.Nc6 bc6 22.Qa4 Bd7 23.Rad1 Be8 24.Rd3 c5 25.Qa2 Bb5 26.Bb5 Rb5 27.c4 (27.Qa4!? Rbb8 28.Bg3-/+) 27...Rbb8-/+ 28.Qa3 Re8 (28...Ne4 29.Bg3-/+) 29.Qc5 (29.Bc5 Re2 30.h3 Ne4-/+ (worse 30...Rc2 31.Rf6 Rg2 32.Kg2 Qg5 33.Rg3 Qf6 34.Qf3 Qf3 35.Kf3+=)) 29...Qc5 30.Bc5 a4 31.Ra1 Re4 32.Bd4 Nh5 33.g3 g6 34.c3 Ng7 35.Kf2 Ne6 36.c5 f5 37.Re3 Re3 (37...Nd4?! 38.Re4 fe4 39.cd4=+) 38.Ke3 (38.Be3 Kg7–+) 38...a3 39.Ra2 g5 40.Kf3? (40.Kd3–+) 40...Nd4 41.cd4 Kf7 42.d5 Kf6 43.h4 (43.Kf2–+) 43...gh4 44.gh4 (44.g4 Ra6–+) 44...Ke5 45.d6 cd6 46.c6 Ke6 47.Ke3 (47.Kf4 d5 48.Kg5 Kd6–+) 47...d5 48.c7 Kd7 49.Kd4 Ra5 50.h5 (50.Rc2 Kc8 51.Ra2 Kc7–+) 50...Kc7 51.Ra1 (51.Ke5 Kc6–+) 51…Kd6 0–1. cimabue (2080) – marekt (2015), gameknot.com, 2014.

8.Qf3 Nbd7 9.Bf4 Re8 10.Nc3 Bd4 11.Nge2 Ne5 12.Qg3 Ne4! 13.Ne4 Ba1 14.N2c3 Bc3 15.Nc3 f6 16.Be2 c6 17.0-0 Qe7 18.d4 Ng6–+ 19.Bh5 Bf5 20.e4 Be4 21.Re1 Qd7 22.Re4 Re4 23.Ne4 Qd4 24.Qe3 Qe3 25.Be3 Re8 26.Bf3 (26.Nf6 gf6 27.Kf2 b6–+) 0–1. pierre – Homosapiens, ChessWorld.net, 2005.

8.Qf3 Nbd7 9.Bf4 Re8 10.Nc3 Ne5 11.Be5 Re5 12.Bc4 c6 13.Nge2 Bg4 14.Qf2 (14.Qg3 Bd6 15.Qf2-/+) 14...Be6 (14...Qa5!? 15.0-0 Be2 16.Be2 Qc3 17.dc3 Be3–+) 15.Be6=+ Re6 16.Nf4 (16.a4 Re7=+) 16...Re8 17.Rb1 b5 18.Rb3 a5 (18...Ba3 19.Qf3 Bd6 20.Nh5–+) 19.a4 (19.Nb1 Ne4 20.Qf3 Qh4 21.g3 Qe7-/+) 19...b4 (19...ba4 20.Rb1-/+) 20.Nb1 Ne4 21.Qf3 Bd6 22.0-0 Nc5 23.Rb2 Na4 (23...Bf4 24.Qf4 Qd5 25.d3-/+) 24.Ra2 Bf4 (24...Nc5!? 25.Qc6 a4-/+) 25.Ra4=+ Bd6 26.Qf7 Kh8 27.Qh5 Rf8 (27...Qb6 28.Kf2–+) 28.Rf8= Qf8 (28...Bf8 29.d4 c5 30.dc5 g6-/+) 29.Ra5+= Ra5 30.Qa5 h6 31.g3 Qf6 (31...Qf3 32.Qd8 Bf8 33.Qd3+=) 32.Qa8+/– Bf8 33.Kg2 Kh7 34.d4 (34.Qe8+/–) 34...h5? (better is 34...Qg6!? 35.Qa2 Qe4 36.Kf2 Qh1=) 35.Qe8 (35.Nd2 Be7+/–) 35...h4 (35...Qf5 36.Qc6 b3 37.e4+/–) 36.Qe4 Kg8 37.gh4 (37.Qh4?! Qe6 38.Qf4 Qa2=) 37...Bd6 (37...Qd6 38.Nd2+–) 38.Qc6 Qg6 39.Kh1 Qf6 (39...Qh5 40.Qd6 Qd1 41.Kg2 Qc2 42.Kf3 Qf5 43.Ke2 Qb1 44.Qd5 Kf8 45.Qc5 Kf7 46.Qc4 Kf6 47.Qc6 Ke7 48.h5+–) 40.Qd5 Kh8 41.Kg1 (41.Qa8!? Kh7 42.Qe4 Kh6+–) 41...Qg6 42.Qg2 Qh6 (better is 42...Qe6 43.Qg5 Kg8+–) 43.Qe4 Qf6 (43...Qh5 44.Kf2+–) 44.c4 b3 (44...Be7 45.c5+–) 45.c5 Be7 46.Nd2 b2 47.Qc2 (better is 47.h5!? Bc5 48.dc5 Qc3+–) 47...Qh4 48.Qb2?? (48.Nf1 Qg5 49.Kf2 Qh4 50.Kg2 Qg5 51.Ng3 Qd5 52.Ne4+/–) 48...Qe1?? (better is 48...Qg4 49.Kf1 Qd1 50.Kf2 Bh4 51.Kg2 Qg4 52.Kh1 Qd1 53.Kg2 Qg4 54.Kf1 Qd1 55.Kg2=) 49.Nf1+– Bh4 (49...Kg8 50.Qb5 Qh4 51.Qe8 Kh7 52.Ng3+–) 50.c6 Qd1 (50...Bd8+–) 51.c7 Qg4 52.Kh1 Qf3 (52...Qh3 53.Qb8 Kh7 54.Qf8+–) 53.Qg2 1–0. kamret (2160) – Ms.Felengy (1890), GameColony.com, 2003.

8.Qf3 Be7 9.Qg3 Bf5 10.Bc7 Qc8 11.c3 Na6 12.Be5 Nc5-/+ 13.Bf6 Bf6 14.a4 Rd8 15.Qf4-/+ Bd3 16.Nf3 Qd7 17.Nd4 Qd5 18.Qg4 Re8 19.Be2 Be2 20.Qe2 Bd4 21.cd4 Nb3 22.Nc3 Qg5 23.Rb1 Nd4 24.Qf2 Nc2 25.Kd1? Na3?? 26.Rb7= Rf8 27.Qg3 Qf5 28.e4 Qa5 0–1. b4_player (2050) – avargas (2065), GameColony.com online, 2002.

8.Qf3 Be7 9.Qg3 Bf5 10.Bc7 Qd7 11.Nc3 Nc6 12.Rb1 b6 13.Bb5 Rac8 14.Be5 Bc2 15.Rc1 Bd3 16.Bf6 Bf6 17.Bd3 Qd3 18.e4 Qa6 19.Nd5-/+ Be5 20.Qh3 Qa3?? 21.Qa3+– (21.Qa3 Bf6 22.Nf6 gf6 23.Qg3 Kh8 24.Qd6+–) 1–0. b4_player (2085) – avargas (2035), GameColony.com online, 2002.

8.Qf3 Be7 9.Qg3 Bf5 10.Bc7 Qd7 11.Nc3 Nc6 12.Rb1 b6 13.Bb5 Rac8 14.Be5 Bc2 15.Bf6 Bf6 16.Rb2 Bd3 17.Bd3 Qd3 18.Nge2 Na5 19.e4 Qd7 20.Ra2 Bc3-/+ 21.Nc3 Qe6 22.Ra1 Nb3 23.Rd1 Qc4 24.Qe3 Rfe8 25.Rf1-/+ Nc5 26.d4 Nb3 27.Rf3= Rcd8 28.Ne2 Na5 29.Rc1 Qa2 30.Qf4 f6 31.Rc7+/– Nc4?? 32.Rg7!! Kg7 33.Qf6 (33.Qf6 Kg8 34.Rg3#) 1–0. b4_player (2105) – avargas (2010), GameColony.com online, 2002.

8.Nf3 Nbd7 9.Bc3 a6 10.Bd3 b5 11.Bb2 Bd6=+ 12.Nc3 Bb7 13.0-0 c5 14.Qe1 Ne5 15.Qh4 Nf3 16.gf3=+ Re8 17.Bf5-/+ Re5 18.e4=+ g6 19.Rf2 gf5–+ 20.Rg2 Kf8 21.f4 Re6 22.ef5 Bg2 23.fe6 Bf3 24.Rf1-/+ Bc6 25.Nb5 Be7 26.Nc7 Qc7-/+ 27.Bf6 fe6 28.Re1 Bf6 29.Qf6 Qf7 30.Re6 Ba4 31.Qe5 Qg7-/+ 32.Kf2 Qe5 33.Re5 Rd8 34.Ke3 c4 35.Re4 Bc2 36.Rc4 Bg6 37.Rd4 Rb8 38.Ra4 Rb3–+ 39.Kd4 Bd3 40.Ra5 Bb5 41.Kc5 Rb2 42.a4 Bf1 43.d4 Rh2 44.Kc6 h5 45.Rf5 Ke7 46.Re5 Kf6 47.d5 Be2 48.Re6 Kf5 49.Rh6 Bf3 50.Kc5 Rd2 51.Kb6 Rd5 0–1. wiking – otto, internet, 2010.

8.Nf3 Re8 9.Bb2 Nc6=+.

8.Nf3 Re8 9.Be2 Nbd7 10.Bb2=.

8.Nf3 Re8 9.Be2 Bg4 10.Bb2 Nc6 11.Nc3 Qe7 12.0-0 Rad8 13.Qc1 (13.Qe1 a6=+) 13...Ne4 (13...Bf3!? 14.Rf3 Qd6=+) 14.Ne4= Qe4 15.Bc3 a6 (15...f6 16.Qb2=) 16.Rb1 (16.Qb2!?+=) 16...b5= 17.h3 (17.a4 b4 18.Bd3 Qd5= (< 18...Rd3 19.cd3 Qd5 20.Ba1+/–)) 17...Bh5 (17...Bc8 18.Kh1=+) 18.Ng5 (18.Qb2 Qa4 19.Bb4 Bb6=) 18...Qg6 19.Bh5 Qh5 20.Rf7 Qg5 (20...Nd4 21.ed4 Qg5 A) 22.Rc7 Bd6 (22...Bd4?! 23.Bd4 Rd4 24.d3=) 23.Rc6 Qg3 24.Rd6 Rd6–+ (< 24...Qd6 25.Qb2-/+); B) 22.Qf1 Bd4 23.Bd4 Rd4 24.Re1=) 21.Rg7 Qg7 22.Bg7 Kg7 23.c4 (better is 23.d4 Be7 24.Qe1=) 23...Ne5?? (better is 23...Rd2! 24.cb5 Be3 25.Kh1 Rd6 26.Qc3 Bd4 27.Qg3 Rg6 28.Qc7 Re7-/+) 24.cb5+– Nd3 25.Qc3 Kg8 26.ba6 Bb6 27.Qc4 (27.Rb5 Nf4 28.Qc4 Ne6+–) 27...Kg7 28.a7 (better is 28.Rb5 Ne5 29.Qc3+–) 28...Rf8 (28...Ne5 29.Qc3 Ba7+–) 29.a8Q! Ra8 30.Qd3 Rad8 (30...Rf6 31.Rb4 Raf8 32.a4+–) 31.Qc3 Rf6 (31...Kg6+–) 32.Rb6! cb6 33.Qc7 1–0. market (2240) – NN, internet, 2002.

8.Nf3 Bg4 9.Be2 Nc6 10.Bb2 Qe7 11.0-0 Rad8 12.Qe1 Ne4 13.Bb5.

8.Nf3 Ng4 9.Bf4 Qf6 10.c3 Nf2 (10...Bd6 11.Bd6 Qd6 12.Be2=+) 11.Kf2 Qf4 12.d4 Qd6 13.Nbd2 Bb6 (13...Ba3? 14.Qb3+–) 14.Bd3 Qh6 15.Rf1 (15.Ne4 Bg4=) 15...Nc6 (15...c5 16.Nc4=) 16.Qc2+= Be6 17.Rae1 f6 (17...Rad8 18.Kg1+=) 18.c4 (18.Kg1 Rae8+=) 18...Ne7 (18...Rae8 19.Kg1+=) 19.Kg1 c6 (19...Rae8 20.Qb1+=) 20.c5 Bc7 (20...Ba5 21.e4+=) 21.e4 Bf4 (21...Bf7 22.Bc4+=) 22.Bc4+/– Bf7 23.Bf7 Rf7 24.Nc4 Ng6 (24...Raf8 25.Qb3+/–) 25.e5 fe5 26.Nd6 (26.Nce5?! Ne5 27.de5 Rd8=) 26...Nh4? (better is 26...Raf8!? 27.Nf7 Rf7+–) 27.g3+– Be3 28.Kh1 Nf3 29.Nf7 Qh2 30.Qh2 Nh2 31.Kh2 Bd4 32.Ne5 (32.Re5?! Be5 33.Ne5 Rd8+–) 32...Bc5 33.Rb1 Bd4 34.Nf3 Bb6 35.Nd2 Rb8 36.Nc4 Bd4 (36...Bc7 37.Rbd1+–) 37.Rfd1 Bc5 (37...c5 38.Na5 b6 39.Nc6+–) 38.Rd7 b5 39.Rc7 a5 (39...Bb6 40.Nb6 Rb6 41.Rd1+–) 40.Rc6 Bf8 41.Ra6 Rc8 42.Na5 Ba3 43.Rb5 (43.Nc6 h6+–) 43...Bf8 (43...h6 44.Nc6+–) 44.Nc6 1–0. market (2250) – gako (2175), GameColony.com, 2002.

8.Nf3 Nc6

9.Bb2 Bf5 10.Nc3 Re8 11.Bb5 Qd6 12.Na4 Bb6 13.0-0 a6 (13...Bg4!?=) 14.Bc6+= bc6 15.Bf6 Qf6 16.Nb6 cb6 17.Nd4 g6 18.g4 (18.g4 c5 19.Nf5 gf5 20.Rf5+/–) 1–0. pcmvr – lovecraft (2340), net–chess.com, 2014.

9.Bb2 Bg4 10.Bc4 Re8 11.0-0 Qe7 12.Qc1 Bd6 13.Bf6 Qf6 14.Nc3 Qe7 15.Bb3 Na5 16.Ba2 c6 17.d3 Bf5 18.e4 Bg6 19.Ne2 h6 20.Qe1 b6 21.Nh4 Kh7 22.Kh1 Rad8 23.Nf4 Be5 24.Nfg6 fg6 25.Bf7 Ba1 26.Bg6 Kg8 27.Bf7 Kh7 28.Bg6 Kg8 29.Bf7 Kh7 30.Be8 Re8 31.Nf5 Qa3 32.Qa1 Qa1 33.Ra1 Rf8 34.h3 c5 35.Kh2 Nc6 36.Kg3 Kg6 37.Ne3 Rb8 38.Nd5 a5 39.Ra3 Kf7 40.Kf2 Ke6 41.Rb3 Nb4 42.Nb4 ab4 43.c3 bc3 44.Rc3 Kd6 45.Ke3 Ra8 46.Rb3 Kc6 47.d4 c4 48.Rc3 b5 49.Rc2 Ra3 50.Kf4 Rd3 51.Ke5 c3 52.d5 Kc5 53.Rf2 b4 54.Rf8 b3 55.Rc8 Kb4 56.d6 c2 57.Ke6 b2 0–1. gabrel (2010) – varcany (2110), gameknot.com, 2014.

9.Bb2 Bg4 10.Be2 Ne4 11.Nc3=+ Bf3 12.Bf3+= Qh4 13.g3 Ng3?? 14.hg3+– Qg3 15.Kf1 Ne5 16.Bb7 c6 17.Ba8 Ra8 18.Ne4 Qf3 19.Qf3 Nf3 20.Ke2 (20.Ke2 Nd4 21.Bd4 Bd4 22.ed4+–) 1–0. marr – quzmin, internet, 2010.

9.Bb2 Bg4 10.Be2 Re8 11.0-0 Ne4 12.Qe1 Qd7 13.Bb5= Rad8 14.d4 Bf8 15.Ne5+= Qe6?? 16.Bc4+– Qe7 17.Bf7 Kh8 18.Ng4 Ng5 19.Be8 Re8 20.d5 Nd8 21.Nf6! 1–0. b4_player (2140) – horngren (1660), GameColony.com, 2002.

9.Bb2 h6 10.Bb5= Bd7 11.0-0 a6 12.Bc6 Bc6 13.Nd4 Bd7 14.Qf3 b5 15.Nc6 Bc6 16.Qc6 Be7 17.a4 b4 18.Rf5 Qc8 19.Qf3 Qe6 20.d3 Rfe8 21.Nd2 Rad8 22.Rf1 Rd7 23.Bf6 Bf6 24.Ne4 Be5?? 25.Nc5+– Qd6 26.Nd7 Qd7 27.Rf7 Qd6 28.Rg7! Kg7 29.Qf7 Kh8 30.Qe8 Kh7 31.Rf7 Bg7 32.Qe7 Qg6 33.Qc7 Qg5 34.Kf2 Qh4 35.Kf3 Qh5 36.Ke4 Qg4 37.Kd5 Qg5 38.Kc4 Qg2 39.Rg7! Qg7 40.Qg7 Kg7 41.Kb4 1–0. b4_player (2135) – Tipe (1955), GameColony.com, 2002.

9.Bc3 Ne4 10.Bd3 f5 11.0-0 Bd6 (11...Qd5 12.Kh1=+) 12.Bc4= Kh8 13.Bb2 Qe7 14.Bd5 Ne5 (14...Bd7 15.Qe2=) 15.Be4 fe4? (Better is 15...Nc4 16.Bb7 Bb7=) 16.Ne5+– Be5? 17.Rf8 Qf8 18.Be5 Be6 19.Bc7 Rc8 20.Bf4 Qc5 21.Nc3 h6 22.Ne4 Qd5 23.d3 g5 24.Qb1 gf4 25.Qb2 1–0. market (2170) – matevz (1805), GameColony.com, 2002.

9.Bc3 Bg4 10.Bc4 Re8 11.0-0 a6 12.Bf6=+ Qf6 13.Nc3 Qd8?? 14.Bf7+/– Kf7 15.Ne5 Kg8 16.Ng4 h5 17.Nf2+– Qg5 18.Nfe4 Qe5 19.Qe2 Ba7 20.h4 Nd4?! 21.ed4 Bd4 22.Kh1 Bc3 23.Qc4 Kh8 24.dc3 Qe4 25.Rf8!! Kh7 26.Qe4 Re4 27.Ra8 Rh4 28.Kg1 Rc4 29.Rb1 b5 30.Ra6 Rc3 31.Rb5 Rc2 32.Rh5 Kg8 33.Raa5 Kf7 34.Rhc5 Rd2 35.Rc7 Kg6 36.Ra6 Kf5 37.Rc5 Kf4 38.Ra4 Ke3 39.Re5 Kd3 40.Rd5 Kc3 41.Rd2+– Kd2 42.Rg4 (42.Rg4 Kd3 43.a4 g6 44.a5 Kc3 45.a6 Kd2 46.a7 Kc3 47.a8Q Kb2 48.Qc6 Kb3 49.Qc5 Kb2 50.Rb4 Ka2 51.Qa5#) 1–0. pierre – oppotir, internet, 2010.

9.Bb2 Re8

10.Bb5 Bd7 11.0-0 a6 12.Be2 Be7 13.Ne5 Ne5 14.Be5 Bc6 15.Nc3 Nd5 16.Bc4 Rf8 17.Bd5+– Bd5 18.Bg7! Kg7 19.Qg4 Kh8 20.Qd4 Kg8 21.Nd5 c6 22.Ne7 Qe7 23.Rf4 f6 24.Re4 Qf7 25.Rf1 Rad8 26.Qb4 Rd5 27.Re7 Qg6 28.Rb7 Rg5 29.Qc4 Kh8 30.Qc6 1–0. pereira – bilixoff, internet, 2009.

10.Nc3 Qe7 11.Bb5 a6-/+ 12.Bd3 Bg4 13.0-0 Ne5 14.Qe1 Bf3 15.gf3 Nd3 16.cd3 Rad8 17.Qb1 Qd6 18.d4=+ Ba7 19.Rf2 c5 20.dc5 Bc5 21.Rg2 g6 22.Ne4 Ne4 23.fe4 Qd3 24.e5 Qb1 25.Rb1 Rd3 26.Rf2 b5 27.Rc1= Ba3 28.Ba3 Ra3 29.Rc7 Re5 30.Rff7= Rg5 31.Kf2 Rf5 32.Rf5 gf5 33.Rb7 Rd3 34.Ke2 Rd6 35.h3 Rh6 36.Ra7 Rb6 37.Kd3 h5 38.Kc3 h4 39.Rd7 f4 40.ef4 Rf6 41.Rd4 Rg6 42.Rd8 Kf7 43.Ra8 ½–½. wiking – dinoD19, internet, 2010.

10.Be2 Bg4 11.0-0 Qd6 12.Nc3 Rad8 13.Na4 Bb6 14.Nb6 ab6 15.Qe1 Bf3 16.Bf3 Qd2 17.Bf6 gf6 18.Qg3 Kh8 19.Bc6 bc6 20.Qc7 Qe3 21.Kh1 Kg7 22.Qc6 Re6 23.Qc4 Rd4 24.Qb3 Qg5 25.Rf3 h5 26.Rg3 Rg4 27.Rg4 hg4 28.Rf1 Rc6 29.h3 g3 30.Qa4 (30.Qd3 Rc5=+) 30...Rc3 31.Qb4 (31.h4 Ra3 32.hg5 Ra4 33.gf6 Kg6-/+) 31...Rc2-/+ 32.Qb6 Rc1 33.Qg1 Rf1 34.Qf1 Qd2 35.Qg1 f5 36.a4 f4 37.Qa1 f6 38.Qg1 Qa2 39.Qa7 (39.Qd4 Qf2 40.Qd1 f3-/+) 39...Kg6 40.Qd4 (40.Qg1 Qa4 41.Qe1 Kg5–+) 40...Qf2 41.Qe4? (41.Qa1 f3 42.Qg1–+) 41...Kg5 42.Qd5 (42.Qb1 f3 43.h4 Kh6 44.Qg1–+) 42...Kh4 43.Qd1 f3! 44.Qg1 (44.Qf3 Qe1 Mate attack; 44.gf3 Qh2 Mate attack) 44...f5 45.a5 f4 (45...f4 46.Qf2 gf2 47.Kh2 f1Q 48.gf3 Qh3 49.Kg1 Kg3 50.a6 Qg2) 0–1. gabrel (2035) – marekt (2115), gameknot.com, 2014.

10.Nc3 Bg4

11.Be2 a6 12.0-0 Qd7 13.h3 Bh5 14.Na4 Be7 15.Nc3 Rad8 16.d4 (16.Rf2 Bd6+=) 16...Bf8 (16...Bd6 17.d5 Nb8 18.Nd4-/+) 17.Qd2+= Qe7 (17...Qe6 18.Ng5 Qe3 19.Qe3 Re3 20.Bh5 Nh5 21.Nf7+=) 18.Bc1 Bg6 (18...b5 19.Bd3+=) 19.Rb1 b5 20.Bd3 Ne4 21.Ne4 Be4 22.a4 Bd3 (22...ba4 23.Ra1 Nb4 24.Ra4 Bd3 25.cd3=) 23.Qd3 Nb4 24.Qb3 Nd5 The backward pawn on e3 becomes a target (better is 24...ba4 25.Qa4 c5=) 25.ab5+/– ab5 26.Ne5 (26.Qb5 Nc3 (26...Ne3?? 27.Re1+–) 27.Qb7 Nb1 28.Qb1 Rb8-/+) 26...Qe6 (26...Qb4!? 27.Nf7 Qb3 28.Rb3 Rb8+/–) 27.Nf7+– (27.Rf7?! Bd6 28.Rf3 Be5 29.de5 b4+=; worse is 27.Qb5 Nc3 28.Qb7 Nb1 29.Qb1 f6-/+) 27...Rd7 28.Ng5 (28.Ng5 Qg6 29.e4 (29.Qb5?! c6 30.Qc4 Qg5+/–) 29...Re4 30.Qb5+–) 1–0. Janek – wazzabet, internet, 2017.

11.Be2 Qe7

11.Be2 Qe7 12.0-0 Rad8

13.Qe1 Bb6 A) 14.h3 A1) 14...Bh5 15.Rf2 (15.Kh1 Bg6 16.Rc1 Bc5 17.Qh4 h6 18.Qc4 Nh5 19.Rfe1) 15...Qd7 16.Na4 Ne4 17.Ng5 Qd2 18.Bh5 Qe1 19.Re1; A2) 14...Rd2 15.Nd2 Be3 16.Rf2 Be2 17.Qe2 Nd4 18.Qd3 Rd8 19.Rd1; A3) 14...Bf5 15.Rc1 (15.Qc1 h6 16.Bc4 Rd7 17.Na4 Be4 18.Bc3 Bd5 19.Bd3) 15...h6 16.Qg3 Bg6 17.Rf2 Qe6 18.Qf4 Rd2 19.Bc4; B) 14.Rc1 B1) 14...a6 15.Rf2 (15.Rd1 Bf5 16.Rc1 Ng4 17.Nh4 Qe5 18.Bg4 Bg4 19.Na4) 15...h6 16.h3 Bd7 17.Rf1 Bc5 18.Qg3 Bd6 19.Qh4; B2) 14...Qe6 15.h3 (15.Rf2 h6 16.Qf1 Bf5 17.Bc4 Qe7 18.Nh4 Be6 19.Bd3) 15...Bh5 16.Rf2 h6 17.Qf1 Qd7 18.Bd3 Bf3 19.Rf3; B3) 14...h6 15.h3 (15.Kh1 Bc5 16.Ra1 a6 17.Na4 Bd6 18.Qh4 Ne5 19.Nc3) 15...Rd2 16.Nd2 Be3 17.Rf2 Be2 18.Qe2 Nd4 19.Qe1; C) 14.Bd3 C1) 14...Bh5 15.Ne2 (15.Nh4 Qe6 16.Nb5 Ne5 17.Qg3 Bg4 18.h3 a6 19.Nd4) 15...Bg6 16.Nf4 Bd3 17.cd3 Nd5 18.Qg3 f6 19.Nh4; C2) 14...Bc5 15.Na4 (15.Be2 h6 16.Kh1 a6 17.Na4 Bd6 18.Qh4 Ne5 19.Nc3) 15...Bd6 16.Qh4 Bf3 17.Rf3 Be5 18.Nc3 h6 19.Qc4; C3) 14...Bf3 15.gf3 (15.Rf3 Ne5 16.Qe2 Nf3 17.Qf3 c6 18.Rf1 Bc5 19.Qh3) 15...Ne5 16.Be2 Qe6 17.Rf2 g6 18.Rd1 Nc4 19.Bc4; D) 14.Rd1 D1) 14...h6 15.Qg3 (15.Qh4 Bf5 16.Rc1 Ng4 17.Qe7 Re7 18.g3 g6 19.Kg2) 15...Qe6 16.Kh1 Re7 17.Bd3 Bc5 18.Qf4 a6 19.h3; D2) 14...h5 15.Bc4 (15.Qg3 Bc5 16.a4 Bb4 17.Bd3 Bd6 18.Qh4 Ne5 19.Ne5) 15...Ne5 16.Be2 Bc5 17.Ne5 Qe5 18.g3 Qg5 19.Kh1; D3) 14...Bf5 15.Rc1 (15.Nb5 Bc2 16.Rc1 Bg6 17.Bf6 gf6 18.Bc4 f5 19.Kh1) 15...Ng4 16.Kh1 g6 17.Qg3 Qd6 18.Qh4 h6 19.h3.

13.Qe1 Bf5 A) 14.Bd1 A1) 14...Bc8 15.Qg3 (15.Be2 Bg4 16.Bb5 Qd6 17.d4 Nd4 18.Be8 Nf3 19.gf3) 15...g6 16.Qh4 Bf5 17.Rf2 Ng4 18.Qe7 Re7 19.Re2; A2) 14...Bb6 15.Nh4 (15.Na4 Ba5 16.Qg3 Bg6 17.Bf6 gf6 18.c3 Ne5 19.Nd4) 15...Bc8 16.Nf3 Bg4 17.h3 Bh5 18.Na4 Ne4 19.Nb6; A3) 14...Bg6 15.Na4 (15.Rb1 b6 16.Ra1 Qd7 17.Rc1 Ne5 18.Ne5 Re5 19.Na4) 15...Bd6 16.Nc3 h5 17.Nb5 Ng4 18.h3 Nge5 19.Nd6; B) 14.Qb1 B1) 14...Rd7 15.Bd3 (15.Kh1 Bb6 16.Bd3 Bg6 17.Bg6 hg6 18.Qe1 Qe6 19.Qh4) 15...Bg6 16.Na4 Bb6 17.Nh4 Ne5 18.Ng6 hg6 19.Nb6; B2) 14...Ng4 15.h3 (15.Kh1 g6 16.Qa2 Be6 17.Bc4 Na5 18.Be6 Qe6 19.Qe6) 15...Nf6 16.Qc1 Bb6 17.Bc4 h6 18.Ne2 Qd6 19.Ned4; B3) 14...h6 15.Bd3 (15.Bc1 Bb6 16.Bb2 Ng4 17.h3 Nf6 18.Bd3 Qd7 19.Bf5) 15...Be4 16.Ne4 Ne4 17.Qa2 Nd2 18.Nd2 Be3 19.Kh1; C) 14.Qg3 C1) 14...g6 15.Rac1 (15.Bd1 a6 16.Rb1 Bd6 17.Qh4 Ne4 18.Ne4 Qh4 19.Nh4) 15...a6 16.Nh4 Be6 17.Qg5 Rd2 18.Qf6 Be3 19.Kh1; C2) 14...a6 15.Nh4 (15.Bc4 Bg6 16.Rf2 b5 17.Bb3 Bd6 18.Qh4 h6 19.Qh3) 15...Bc2 16.Ne4 Qe4 17.Nf5 g6 18.Nh6 Kf8 19.Rf6; C3) 14...Bc2 15.Nb5 (15.Bc4 Bg6 16.Rf2 Bd6 17.Qg5 Qd7 18.g3 Ne5 19.Bb5) 15...Bd6 16.Qh3 Be5 17.Ne5 Ne5 18.Nd4 Be4 19.Qg3; D) 14.Nb5 D1) 14...Bc2 15.Bc4 (15.Bf6 Qf6 16.Nfd4 Qg6 17.Nc2 Qc2 18.Rc1 Qd2 19.Rc5) 15...Ne4 16.d4 a6 17.Nc3 Bb6 18.Nd5 Rd5 19.Bd5; D2) 14...Ne4 15.Bd3 (15.Nfd4 Bg6 16.Bd3 Nd4 17.Bd4 a6 18.Bc5 Qc5 19.Nd4) 15...Bg6 16.Rb1 Nd2 17.Nd2 Qe3 18.Kh1 Bd3 19.cd3; D3) 14...Be3 15.de3 Qe3 16.Rf2 Ng4 17.Bd3 Qc5 18.Qc3 Qf2 19.Kh1 Nf6.

13.Qe1 h5 A) 14.Bb5 A1) 14...Bf3 15.Rf3 Qd6 16.Rd1 a6 17.Be2 Ba3 18.Ba3 Qa3 19.Rf6; A2) 14...Qd6 15.d4 (15.Bd3 a6 16.Na4 Ne4 17.h3 Bf3 18.Rf3 b5 19.Nc3) 15...Nd4 16.Be8 Nf3 17.gf3 Re8 18.Nb5 Re3 19.Qf2; A3) 14...a6 15.Be2 (15.Bc6 bc6 16.Na4 Bd6 17.h3 Bd7 18.Qh4 Ne4 19.Qe7) 15...Bf5 16.Qb1 b5 17.Kh1 Bb6 18.Bd3 Bg4 19.Ng5; B) 14.Rf2 B1) 14...Bd6 15.Rf1 (15.Bd3 Ne5 16.Ne5 Be5 17.Rb1 h4 18.h3 Bd7 19.Ne2) 15...a6 16.Bd3 b5 17.Ng5 Bh2 18.Kh2 Qe5 19.Qg3; B2) 14...a5 15.h3 (15.Qf1 Bd6 16.Bd3 Be6 17.Ne4 Ng4 18.Re2 f6 19.h3) 15...Bd7 16.d4 Bb6 17.Bc1 Qd6 18.Rb1 Qg3 19.Bd3; B3) 14...a6 15.h3 (15.Qc1 Bd6 16.Qd1 Bf5 17.Ng5 Bg6 18.g3 Bc5 19.Bd3) 15...Bf5 16.Qc1 Bh7 17.a4 Rd7 18.Bc4 Na5 19.Be2; C) 14.a4 C1) 14...h4 15.h3 (15.Rf2 h3 16.gh3 Bf5 17.Qc1 Nb4 18.Ng5 Rd2 19.Qd2) 15...Rd2 16.Nd2 Qe3 17.Kh1 Be2 18.Rf6 gf6 19.Nd5; C2) 14...a6 15.Rf2 (15.Rc1 Bb6 16.Bd3 Bf3 17.gf3 Ne5 18.Qe2 h4 19.Ne4) 15...Nb4 16.Qc1 Qd7 17.a5 Bd6 18.h3 Bf5 19.Nd4; C3) 14...Nb4 15.Rc1 (15.Qc1 Bf5 16.d4 Bd6 17.Ng5 Bc2 18.e4 Bd3 19.e5) 15...Bf5 16.Bc4 Nc2 17.Qh4 Ne3 18.de3 Be3 19.Kh1; D) 14.Kh1 D1) 14...Bb6 15.Qg3 (15.Rc1 Qd7 16.Qg3 Qd6 17.Qd6 Rd6 18.Bd3 Rdd8 19.Rf2) 15...Ne5 16.Ne5 Qe5 17.Qe5 Re5 18.Bd3 Ra5 19.h3; D2) 14...Qd7 15.d4 (15.Rd1 Bb6 16.Nb5 Ne4 17.d3 Nd6 18.Nd6 Qd6 19.e4) 15...Bb6 16.Qd2 Qe7 17.h3 Bd7 18.Bc1 Qd6 19.Bd3; D3) 14...a6 15.Qf2 (15.Qg3 Qd6 16.Qd6 Bd6 17.Bd3 Ne5 18.Ne5 Be5 19.Rab1) 15...Na5 16.Rfd1 b5 17.Qf1 Qe6 18.h3 Bf3 19.Qf3.

13.Qe1 h6 A) 14.Rb1 A1) 14...a5 15.Qg3 (15.Kh1 Rd7 16.Nb5 Ne4 17.d3 Nd6 18.Qc3 Nf5 19.Nd2) 15...Qe6 16.Bd3 Nh5 17.Qf2 Nf4 18.Ne1 Nd3 19.Nd3; A2) 14...Qe6 15.Kh1 (15.h3 Bh5 16.Kh1 Bg6 17.Nb5 Nd5 18.Qg3 a6 19.Nbd4) 15...Bb6 16.Qg3 Na5 17.Nh4 Be2 18.Ne2 Nh5 19.Qf3; A3) 14...Bf5 15.Bd1 (15.Qc1 Ng4 16.Kh1 a6 17.Ra1 Qe6 18.Nh4 Bh7 19.d4) 15...g6 16.Na4 Ba3 17.Bf6 Qf6 18.Nh4 Re4 19.Nf5; B) 14.Bb5 B1) 14...Bh5 15.Na4 (15.Rb1 a5 16.Ba4 Qd7 17.Rd1 Ne4 18.Bb3 Nc3 19.Bc3) 15...Ne4 16.Nc5 Qc5 17.Bd3 Bg6 18.Rb1 f6 19.Qh4; B2) 14...Qe6 15.Na4 (15.Ba4 a6 16.Bb3 Qd6 17.Na4 Ba7 18.Bf6 gf6 19.Nb2) 15...Bd6 16.h3 Bf3 17.Rf3 Ne4 18.Bd3 Qd5 19.Nc3; B3) 14...Qd6 15.d4 (15.Na4 Bf3 16.gf3 Bb6 17.Nb6 ab6 18.Rd1 Nh5 19.Qh4) 15...Nd4 16.Be8 Nf3 17.gf3 Re8 18.Bc1 Bh3 19.Rf2; C) 14.h3 C1) 14...Bf5 15.Nb5 (15.Qc1 Bb6 16.Bc4 Qc5 17.Ba2 Re7 18.d4 Qa5 19.Qd2) 15...Be3 16.de3 Qe3 17.Rf2 Ne4 18.Bc4 Qc5 19.Bd3; C2) 14...Rd2 15.Nd2 Be3 16.Kh1 Bd2 17.Qd2 Be2 18.Rf6 Qf6 19.Re1; C3) 14...Bh5 15.Rb1 (15.Bc1 Ne5 16.Qf2 Nf3 17.Bf3 Bf3 18.Qf3 Qe5 19.Rb1) 15...Bg6 16.Qc1 Bb6 17.Bc4 Rd7 18.Bb3 Ne4 19.Ne4; D) 14.Kh1 D1) 14...a6 15.Na4 (15.Qf2 Bd6 16.Bd3 Ne5 17.Ne5 Be5 18.Qh4 Bd7 19.Kg1) 15...Bd6 16.Qh4 Ne5 17.Nc3 Ng6 18.Qf2 c5 19.h3; D2) 14...Qd7 15.Na4 (15.Rd1 Bb6 16.Nb5 Ne4 17.d3 Nd6 18.Nd6 Qd6 19.Qc3) 15...Be7 16.Bd3 Qe6 17.Qf2 Rd5 18.Rab1 Ra5 19.Nc3; D3) 14...Rd7 15.Qg3 (15.h3 Bh5 16.Nh4 Be2 17.Ne2 Nh5 18.Nf5 Qd8 19.Neg3) 15...Qe6 16.Bd3 Bd6 17.Qh4 Bf3 18.gf3 Ne5 19.Ne4.

11.Be2 Qe7 12.0-0 Rad8 13.Qe1 a6

14.Rb1 A) 14...h6 15.Qg3 (15.Rf2 Bf5 16.d4 Bb6 17.Nh4 Bc2 18.Rc1 Qe3 19.Nf3) 15...Qe6 16.Bd3 Bd6 17.Qf2 Bf5 18.Qh4 Be7 19.Bf5; B) 14...b5 15.Qg3 (15.Rf2 Ba3 16.Ba3 Qa3 17.Ra1 Qc5 18.Ra6 b4 19.d4) 15...h5 16.h3 Bf5 17.Nb5 ab5 18.Nh4 Rd2 19.Nf5; C) 14...Bf5 15.Nd1 (15.Bc1 b5 16.d4 Bb6 17.Bd2 Bg6 18.Qg3 Bc2 19.Rbc1) 15...Ne4 16.Ne5 g6 17.Nc6 bc6 18.d3 Nf6 19.Rf5.

14.Bc1 A) 14...h6 15.h3 (15.Rf2 Bb6 16.Nh4 Ne4 17.Ne4 Qe4 18.d3 Qe5 19.Rb1) 15...Bf5 16.d4 Bb6 17.Ra2 Qe6 18.Rb2 Ba5 19.Rb7; B) 14...h5 15.Qh4 (15.Bb2 Bf5 16.Qb1 b5 17.Kh1 Bg4 18.Qe1 Bb6 19.Qg3) 15...Rd7 16.Qg5 Ne5 17.Rf2 Nf3 18.gf3 Bh3 19.Bb2; C) 14...Bb6 15.Nh4 (15.Qg3 Qd6 16.Qd6 Rd6 17.Rb1 Nd5 18.Na4 Bf5 19.Rb2) 15...Be2 16.Qe2 g6 17.Qf3 Rd6 18.Rb1 Ba5 19.a4.

14.Bd3 b5 15.Qg3 (15.Qf2 h5 16.h3 Bf3 17.Qf3 Ne5 18.Qf5 Qe6 19.Rad1) 15...h5 16.Rf2 Bd6 17.Qh4 Bf3 18.gf3 Ne5 19.Be2.

14.Bd3 Bf3 15.gf3 (worse 15.Rf3 Ne5–+ 16.Rf5 Nd3 17.cd3 Rd3 18.Nd1 Ne4 19.Re5) 15...Ne5 16.Be2 Ng6 17.Kh1 (17.Rf2 Nh4 18.Bd3 Qe6 19.Rf1) 17...Qd6 18.Na4 Ba7 19.Rd1 b5 20.Nc3 Bc5 21.Qg3 Ba3 22.Ba3 (22.Qd6 Bd6 23.Ra1 Bf8-/+) 22...Qa3-/+ 23.Qc7 Qd6 24.Qd6 Rd6 25.f4 Red8 (25...b4 26.Na4=+) 26.Bd3=+ b4 27.Ne2 b3 (27...Nd7 28.Nd4=+) 28.Ra1 Rb6 (28...Ng4 29.h3 Nf6 30.Nd4=) 29.Rfb1 Rdd6 (29...h5!?=+) 30.Ra3+= bc2 ½–½. Trokenheim,Marek (2160) – Beyer,Dirk (2190), remoteschach.de, 2010.

14.Bd3 h6 15.Qg3 (15.Qf2 Qe6 16.Na4 Bd6 17.Nd4 Nd4 18.Bd4 Be5 19.Nc5) 15...Qd7 16.Rac1 Bd6 17.Qh4 Bf5 18.h3 Bd3 19.cd3.

14.Rf2 A) 14...h5 15.h3 (15.Qf1 Bf5 16.Ne1 Rd2 17.Rf5 Be3 18.Kh1 Nd4 19.Rf6) 15...Bf5 16.Qc1 Bg6 17.d4 Bd6 18.d5 Na5 19.Nd4; B) 14...Bb6 15.Nh4 (15.Rc1 h6 16.h3 Bd7 17.Bd3 Bc5 18.Rb1 Bd6 19.Qe2) 15...Rd2 16.Qd2 Be3 17.Qe1 Bf2 18.Qf2 Be2 19.Re1; C) 14...h6 15.h3 (15.Qf1 Qd6 16.h3 Bd7 17.Qe1 Bb6 18.Nh4 Re7 19.Rd1) 15...Bd7 16.Bd3 Bd6 17.Qd1 Ne5 18.Rf1 Nd3 19.cd3.

14.Kh1 A) 14...h6 15.Na4 (15.Qf2 Rd6 16.Qg3 Bf5 17.Ne1 Bg6 18.Nd3 Rdd8 19.Qh3) 15...Bd6 16.Qh4 Ne5 17.Nc3 Ng6 18.Qf2 c5 19.h3; B) 14...h5 15.Qg3 (15.Na4 Bd6 16.Ng5 Be2 17.Qe2 Be5 18.Be5 Qe5 19.Nf3) 15...Bd6 16.Qh4 Ne5 17.Qg5 b5 18.h3 Bf3 19.Bf3; C) 14...Bf5 15.Qb1 (15.d4 Bb6 16.Nd2 Bc2 17.Rc1 Bg6 18.Nc4 Ba5 19.Bf3) 15...Qd7 16.Bc1 h6 17.Nh4 Bh7 18.Qb7 Bc2 19.d4.

7.e3 Nc6

8.Bb2 Rb8 9.Bd3 0-0 10.Nf3 Bg4 11.h3 Bh5 12.0-0 Re8 13.Qe1 =.

8.Bb2 Rb8 9.Be2 0-0 10.Nf3 Re8 11.0-0 Ne4 12.Bb5 Qd6 13.d4 =.

8.Bb2 Rb8 9.Nf3 0-0 10.Be2 Re8 11.Nc3 a6 12.0-0 b5 13.Rb1 =+.

8.Bb2 Qd6 9.Nc3 a6 10.Be2 0-0 11.Nf3 Bg4 12.0-0 Rad8 13.Na4 =.

8.Bb2 Qd6 9.Bd3 0-0 10.Nf3 Bg4 11.Nc3 a6 12.0-0 Rae8 13.Na4 =.

8.Bb2 Qd6 9.Be2 0-0 10.Nf3 Bg4 11.Nc3 Rad8 12.Na4 Ne4 13.Nc5 =+.

8.Bb2 Qd6 9.Nf3 Bg4 10.Nc3 a6 11.Bd3 0-0 12.0-0 Rae8 13.Na4 =.

8.Bb2 Qe7 9.Bd3 0-0 10.Nf3 Bg4 11.h3 Bh5 12.0-0 Ne5?? (better is 12...Rad8+=) 13.Be5+/– Bf3 14.Bf6 (14.Qf3?! Qe5 15.Nc3 c6=) 14...Qf6 (14...Be3 15.Kh1 Qf6 16.Qf3 (16.Rf3?! Qa1 17.Re3 Rae8+=; 16.gf3?! Qa1 17.de3 Qe5=) 16...Qa1 17.Qe3+/–) 15.Qf3 Qa1 16.Qf5 g6? (better is 16...Be3 17.de3 g6+–) 17.Qc5 (17.Qc5 Qg7 18.Qc7+–) 1–0. Janek – zandar, internet, 2017.

8.Bb2 Bf5 9.Nf3 0-0 10.Nc3 Qe7 11.Bd3 Bd3 12.cd3 Rad8 13.Qc2 Be3 (13...Nd4 14.Nd4 Bd4 15.0-0 Bc3 16.Bc3=) 14.de3= Qe3 15.Qe2 Rfe8 (15...Rd3 16.Qe3 Re3 17.Kd2=) 16.Qe3 Re3 17.Kf2 (17.Ne2 Ng4 (worse is 17...Red3 18.Bf6 gf6 19.Kf2+/–) 18.h3 Rde8=) 17...Ng4 18.Kg3 Nge5 19.Nd1 Red3 20.Nf2 Rb3 (20...R3d5 21.Ne5 Ne5 22.Be5 Re5 23.Rhd1=) 21.Be5 Ne5 22.Rhb1 Rb1 23.Rb1 Nf3 24.Kf3 b6 25.Rc1 c5 26.Rd1 Rd1 27.Nd1 Kf8 28.Ke4 Ke7 29.Kd5 Kd7 30.Nc3 Kc7 (30...f5 31.Ke5+=) 31.Ne4 (31.Nb5 Kb7+/–) 31...Kb7 (31...f6 32.g4+=) 32.Ng5 (32.Nd6 Ka6+/–) 32...Ka6 (32...f5 33.Nh7 Ka6 34.Nf8+–) 33.Nh7 Kb5 34.Ng5 Ka4 35.Nf7 Ka3 36.Kc4 a5 37.Ne5 a4 38.Nd7 Kb2 39.Nb6 a3 40.Na4 Kc2 41.Nc5 a2 (41...Kb1 42.Na4 Kc2 43.Nc3+–) 42.Nb3 Kd1 (42...g5 43.h3 a1Q 44.Na1 Kd2 45.Kd4+–) 43.h4 Ke2 44.h5 Ke3 45.Kc3 Kf4 46.Kb2 Kg5 47.Ka2 Kh5 48.Nd2 Kg4 49.Nf1 Kf4 50.Kb3 Ke4 51.Kc4 g6 52.Kc3 Kf4 53.Kd4 Kf5 54.Nh2 Kf4 55.g4 g5 56.Kd5 Ke3 57.Ke5 Kf2 58.Kf5 Kg2 59.Kg5 Kh2 60.Kf6 1–0. pvanr (2310) – andytop10 (2120), gameknot.com, 2016.

8.Bb2 Bf5 9.Nf3 0-0 10.Nc3 h6 11.d4 Bd6 (11...Bb6 12.Bd3 Ng4 13.Bf5 Ne3 14.Qd3 Nd4 A) 15.Qe3? Re8 16.Qe4 Nf5–+ (16...Re4?! 17.Be4 Nf3 18.gf3–+); B) 15.Nd4 Bd4 16.Bh7 Kh8 17.Rb1 Ng2 18.Kf1 Ne3 19.Ke2–+) 12.Bd3= Bd3 (12...Qd7 13.0-0 Bd3 14.Qd3+=) 13.Qd3+= Re8 14.0-0 Qd7 (14...Qe7!? 15.Rfe1 Ng4+=) 15.e4+– White prepares d5 15...Bf8 16.d5 (16.e5!? Nd5 17.Nd5 Qd5 18.c4+–) 16...Ne5 17.Ne5 Re5 18.Nb5 (18.Ne2 Qd6 19.Ng3 Qb6 20.Bd4 Bc5+–) 18...Bc5= 19.Kh1 Qe7 20.Be5 Qe5 21.Rae1 (21.g3 Ne4 22.Qc4 a6=) 21...Ng4 22.g3 Nf2 23.Rf2 Bf2 24.Rf1 Bc5 25.Qc4 a6 26.Nc3 Qd4 27.Qd4 Bd4 28.Rf3 Re8 29.Kg2 g5 30.Rd3 Bc5 31.a4 g4 32.h3 h5 33.Rd1 Kg7 34.Rd2 Bb4 35.Rd3 b6 36.h4 (36.hg4 hg4 37.Kf2 Kg6-/+) 36...Bc5 37.Rd2 Re7 38.Re2 Re5 39.Rd2 Bb4 40.Rd3 Kf8 41.Kf2 Bc5 42.Kg2 Ke7 43.a5 (better 43.Kf1–+) 43...ba5 44.Na4 (44.Rd2 Bb4 45.d6 Bd6 46.Nd5 Kd7–+) 44...Bb4 45.Nc3 (45.Rd4 f5 46.Rc4 fe4–+) 45...Kd6 46.Kf2 Bc5 (46...Bc3 47.Rc3 Re4 48.Rc6 Kd5 49.Rc7–+) 47.Kg2 (47.Kf1 Re8–+) 47...Re7 48.Kf1 Bb4 49.Kf2 (49.Ke2 f5–+) 49...Bc3 50.Rc3 Re4 51.Rc6 Kd5 52.Rc7 (52.Ra6 a4 53.Rh6 Rc4–+) 52...a4 53.Rf7 (53.Ra7 Rc4 54.Ra6 Rc2 55.Ke1 Ra2 56.Ra5 Ke4 57.Rh5 f5–+) 53...Kd4 54.Rf6 (54.Rf5 Kc3 55.Rh5 a3–+) 54...Kc3 55.Ra6 Kc2 56.Ra5 Kb3 57.Rh5 a3 58.Rb5 Rb4 59.Rd5 (59.Ra5 a2 60.Ra2 Ka2–+) 59...a2 60.Rd1 Ka3 61.Ra1 Rb1 62.Ra2 Ka2 63.Ke3 0–1. Janek – Frederico, internet, 2018.

8.Bb5 Qd5 9.Nf3+= a6 10.Ba4+=.

8.Bb5 Qd5 9.Nf3+= Bg4 10.Bf6+/– gf6 11.Nc3 Qe6 12.h3 Bh5 13.g4 Bg6 14.Na4 Bd6 15.Nd4 (15.Rg1 Be4 16.Nc3 0-0-0 17.Ne4 Qe4+=) 15...Qd5 (15...Bg3 16.Ke2 Qd6 17.Bc6 bc6 18.d3+=) 16.Rg1+/– 0-0-0 (16...Bh2 17.Nc3 Qd6 18.Rg2 Bg3 19.Kf1+/–) 17.Bc6 bc6 18.Qe2 Rhe8 (18...c5 19.Nc3 Qa8 20.Nf5+/–) 19.Qa6+– Kd7 20.Qa7 Rb8 21.Nc3 Qc4 22.Qa4 Re3 23.de3 Qc3 24.Kf2 Qd2 25.Ne2 Re8 (25...Bc2 26.Qd4 Qd4 27.Nd4+/–) 26.Qd4+– Qa5 (26...Qc2 27.Rgc1 (27.Qf6?! Re3 28.Ke3 Bc5 29.Kf4 Qe2 30.Rgd1 Bd6 31.Rd6 cd6=) 27...Qe4 28.Qe4 Be4 29.Ng3+–) 27.Ra2 1–0. kamret (2120) – Trillian (2130), GameColony.com, 2002.

8.Bc3 0-0 9.Bd3 Be6 10.Nf3 Re8 11.0-0 Bd5 12.Bf6 Qf6 (< 12...gf6 13.Nc3+/–) 13.Nc3 Qd8 14.Nd5 Qd5 15.Qb1 b6 (15...Red8 16.Qb7 Rab8 17.Qa6+/– (17.Qc7?! Bd6 18.Bh7 Kh8=+)) 16.Bh7! Kf8 (16...Kh7 17.c4) 17.Qb2 (17.Bd3 Ne5+/–) 17...Ne5 (better is 17...Bd6!?+/–) 18.Ne5+– Re5 19.d4 Rg5 (19...Rh5 20.Bg6 (20.dc5?! Rh7 21.Qd4 Qd4 22.ed4 bc5+=) 20...Bd6 21.g3 (< 21.Bh5 Qh5 22.h3 Re8+–) 21...Rh2 22.Rf7 Qf7 23.Bf7 Bg3 24.e4+–) 20.c4 Qe6 21.dc5 Qe3 (21...Rh5 22.Bd3 Qe3 23.Qf2 Qf2 24.Rf2 Rc5 25.Rf4+–) 22.Kh1 Qc5 23.Qe2 Rd8 (23...Qe7 24.Qf3 Rb8+–) 24.Rf7! Kf7 25.Rf1 (25...Rf5 26.Bf5+–) 1–0. orane (2175) – Pertti2 (2030), Live Game Caissa's Web, 2004.

8.Bc3 b6 9.Qf3+= Bb7 10.Bb5+/– Qd6 (10...Nd5!? 11.Bg7 Rg8 12.Qe4 Nde7 13.Qh7 Qd7+/–) 11.d4+– 0-0-0 12.dc5 Qc5 13.Bd3 (13.Bf6 gf6 14.Bd3 Ne5+/–) 13...Ne5+/– 14.Bf5 (14.Qe2!?+/–) 14...Kb8+= 15.Qe2 Rhe8 16.Bb4 Qc6 17.Bh3?? (better is 17.Nf3!? Nc4 18.0-0 Ne3 19.Bd3 Nf1 20.Qf1=+) 17...a5 (better is 17...Nc4!? 18.Bd2 Nd2 19.Nd2–+) 18.Bc3 (18.Bd2 Qc2 19.Nc3 Ba6–+) 18...Nc4 19.Bd4 Rd4! 20.ed4 Re2 21.Ne2 Ne3 22.Ra2 (22.Kd2 Nc2 23.Nbc3 Na1 24.Ra1 Nd5–+) 22...Ba6 (22...Ne4 23.Nd2 Nc2 24.Rc2 Qc2 25.Ne4 Qb1 26.Kf2 Qh1 27.N4c3–+) 23.Kd2 (23.Ng3 Ne4 24.Nd2 Ng3 25.hg3 Qc3–+) 23...Nc4 (better is 23...Nfd5!? 24.Nec3 Nc3 25.Nc3 Ng2 26.Ne2 Qh6 27.Kc3 Qh3 28.Ng3–+) 24.Ke1 (24.Kc1 Ne4 25.Nbc3 Nc3 26.Nc3 Qh6 27.Kb1 Qe3–+) 24...Qe4 (24...Ne4 25.Rf1–+) 25.Nbc3 Qe3 26.Bf5 Qd2 27.Kf2 Qe3 (27...Ne3 28.Bd3 Neg4 29.Kf1–+) 28.Ke1 Qd2 (better is 28...Na3 29.Ra3 Be2 30.Ne2 Qa3 31.Rf1–+) 29.Kf2 Qe3 (29...Ne3 30.Bd3 Neg4 31.Kf1 Ne4 32.Ra1 Bd3 33.g3 Be2 34.Ne2 Ne3 35.Kg1 Qe2 36.Re1 Qe1) 30.Ke1= ½–½. b4_player (2180) – PVI (1865), GameColony.com, 2002.

8.Bc3 b6 9.Qf3+= Bd7!?+=.

8.Bb2 0-0

9.Bd3 Re8 10.Nf3 Nd4 11.Nc3 White fights for the Initiative 11...Bg4 12.0-0 Nf3 13.gf3 Bh3 14.Rf2 Nh5 (14...c6 15.Kh1+=) 15.Ne4= Bb6 16.Kh1 Re6 (16...f5 17.Ng3 Nf4 18.Bc4 Kh8 19.Qg1+/–) 17.f4 Qh4 18.Qg1 Rg6 (18...h6!? 19.Ng3 Ng3 20.Qg3 Qg3 21.hg3 Bg4=) 19.Ng5+/– f5? (better is 19...Rh6+/–) 20.Bc4+– (20.Bc4 Kf8 21.Nh7 Ke7 22.Qg6 Qf2 23.Qf7 Kd8 24.Bd5+–) 1–0. Woelfelschneider,Peter – Schaefer, 2008.

9.Bd3 Re8 10.Nf3 Bg4 11.0-0 (11.h3 Bh5=+) 11...Ne5 (11...Nd4 12.Bd4 Bd4 13.c3=+) 12.Be5 (12.Be2 Bf3 13.Bf3 Nc4=) 12...Re5 13.Nc3 (13.h3 Bf3 14.Qf3 c6=+) 13...Re8 (13...c6 14.h3 Bf3 15.Qf3=+) 14.h3 (14.Qb1 Rb8=) 14...Bh5 (14...Bd7 15.Qe1=+) 15.Qb1 (15.g4 Bg6 16.Bg6 hg6=) 15...b6 (15...Rb8 16.g4 Bg6 17.Bg6 hg6 18.Qb3=) 16.Qb3 (16.g4 Bg6=) 16...c6 (16...Qd6 17.Bc4 Qd7 18.g4+=) 17.a4 (17.g4 Bg6 18.Bg6 hg6=) 17...Qc7 (17...Qd6 18.a5=+) 18.Rf2 (18.a5 b5=+) 18...Bg6 (18...Rad8 19.Raf1=+) 19.Raf1 (19.Bg6!? hg6 20.Qc4=) 19...Bd3=+ 20.cd3 Rad8 (20...Bd6 21.Ng5 Bh2 22.Kh1=) 21.Qc4 h6 (21...Qd7 22.Ng5 Rf8 23.d4=) 22.Nh4 (22.Ne4 Be7=) 22...Be7 (22...Qd7 23.d4 Bf8 24.Nf5=) 23.Ne4 Rd5 (better 23...Rd7=) 24.Nf5+– Ne4 25.de4 Rc5 26.Qb3 Rf8 (better 26...Rf5 27.Rf5 Bf6+–) 27.Nh6! gh6?? (27...Kh7 28.d4 Kh6 29.dc5 Bc5 30.Rf7 Rf7 31.Rf7 Qe5+–) 28.Rf7 (28.Rf7 Rd5 29.ed5 Rf7 30.Rf7 cd5 31.Qd5+–) 1–0. pcmvr – rpatrick, net–chess.com, 2017.

9.Bd3 Re8 10.Nf3 Ng4 11.0-0 Be6 (11...Re3 12.de3 Ne3 13.Qe2 Nc4 14.Kh1 Nb2 15.Bh7 Kh7 16.Qb5=) 12.h3 (12.Nc3 Be3 13.de3 Ne3=) 12...Be3=+ 13.de3 Ne3 14.Qe2 Nf1 15.Qf1 h6 16.Nc3 a6 17.Qf2 Qd7 (17...f6!?=) 18.Ne4+/- f5 19.Nc5 Qc8?? (better 19...Qf7 20.Nh4 Ne7+/-) 20.Qg3+- (20.Ne6?! Qe6 21.Nh4 Ne7+/-) 20...Re7 21.Re1 (21.Ne6?! Qe6 22.Nh4 Rf7+/-) 21...g5 22.Ng5! hg5 (22...hg5 23.Bf6 Double attack (23.Bf6 Decoy)) 23.Qg5 (23.Qg5 Kf8 24.Qf6 Ke8 25.Ne6 Qe6 26.Re6+-) 1-0. pvanr (2250) - rona81 (1960), gameknot.com, 2015.

9.Be2 Qe7 10.Nf3 Be6 11.0-0 Rad8 12.Qe1 Ne4 13.Bb5 =.

9.Nf3 Be6 10.Bb5 Na5 11.0-0 a6 12.Be2 Nc4 13.Bd4 =.

9.Nf3 Re8 10.Nc3 Nd4 11.Nd4 (11.Bd3 Bg4=) 11...Bd4 12.Bc4 Bg4 (12...Be5 13.0-0+=) 13.Be2 (13.Qc1 Be5+=) 13...Be2 14.Qe2 Ne4 15.Ne4 Bb2 16.Rb1 Ba3 (worse is 16...Re4 17.Rb2 b6 18.Qf3=) 17.Ng3 (17.Qg4 Qe7 18.d3 Bc5+=) 17...b6-/+ 18.0-0 Qg5 (18...a5 19.Qf3 Qd7 20.Nf5-/+) 19.Nf5 (19.Qf3 Qg6-/+) 19...Rad8 (19...a5 20.Ra1 Bb4 21.c3+=) 20.Ra1+= Bb4 21.h4 Qg6 22.Ra7 Rd2 (better is 22...Bd2 23.Rc7 Qe6=) 23.Qd2+/– Bd2 24.Ne7 Kf8 25.Ng6 hg6 26.Rc7 Be3 27.Kh2 g5?? (better is 27...f6+/–) 28.Rff7+– (28.Rff7 Kg8 29.Rg7 Kh8 30.Rh7 Kg8 31.Rcg7 Kf8 32.hg5+–) 1–0. Janek – Erendor, internet, 2017.

9.Nf3 Re8 10.Nc3 Nd5 11.Be2=.

9.Nf3 Re8 10.Nc3 Bf5 11.Bb5= Be3 (better is 11...Bd7!?=) 12.de3+/– Re3 (12...Ng4 13.Qd8 Rad8 14.Rd1 Ne3 15.Rd8 Nc2 16.Kf2 Rd8 17.Bc6 bc6 18.Rd1 Rd1 19.Nd1+/–) 13.Ne2 Qd1 (13...Qe7 14.0-0 Rd8 15.Ned4 Nd4 16.Nd4+/–) 14.Kd1 Rae8 (14...Rd8 15.Ke1 Bc2 16.Bf6 gf6 17.Kf2+–) 15.Ned4 (15.Bf6 gf6 16.Ng3 Bg4 17.Bc6 bc6+–) 15...Rd8 (15...Nd4 16.Bd4 Rd8 17.Kc1+–) 16.Bc6+– bc6 17.Re1 (17.Kc1 Be4 18.Rd1 Rb8+–) 17...Re4 18.Re4 (18.Kc1 Re1 19.Ne1 Be4+–) 18...Ne4 (18...Be4!? 19.Ke2 Rb8+/–) 19.Ke1+– c5?? (19...Bd7+–) 20.Nf5 1–0. Janek – yxdjango, internet, 2017.

9.Nf3 Bg4 10.Nc3 Re8 (10...Qe7 11.h3 Bh5 12.Bd3+=) 11.Be2 Nd5 (11...Qe7 12.0-0+=) 12.0-0= Qe7?? (better is 12...Rb8=) 13.Nd5+– (13.Nd5 Qd8 14.c4+–) 1–0. Janek – Tundja, internet, 2017.

8.Bb5 Bd7

9.Bb2 a6=.

9.Bc6 bc6 10.Qf3=.

9.Bc6 Bc6

10.Nf3 0-0

11.0-0 Qe7 12.Bd4 Bd6 13.Nh4= Ne4 (13...Be5 14.Nf5 Qe6 15.Be5 Qe5 16.Nd4=) 14.Nf5 Bh2?? (Better is 14...Qg5 15.Qe2 Bd7 16.Nd6 cd6=) 15.Kh2+– Qg5 16.Rf4 g6 17.Nh4 Qg3 18.Kg1 g5?? 19.Nf5 gf4 20.Ne7 1–0. kamret (1900) – ronjeremy69 (1830), GameColony.com, 2002.

11.0-0 Qe7 12.Bd4 Rad8 13.Nc3=+.

11.0-0 Ng4 12.Bf4 Bd6 13.Nd4= Nh2? (Better is 13...Bd7=) 14.Bh2 (14.Nc6?! Qf6 15.Kh2 Bf4 16.Rf4 Qa1 17.Ne7 Kh8+/–) 14...Bh2 15.Kh2 Qh4 16.Kg1 Bd5 (16...Bd7 17.Qf3 c6 18.Nc3+–) 17.Nc3 Rad8 18.Nd5 Rd5 19.Qf3 Rh5 20.Qb7 Re8 21.Qc7 Qh1 22.Kf2 Qh4 23.g3 Qh2 24.Ke1 Rg5 25.Qf7 1–0. kamret (2105) – BorisSpastic (1790), GameColony.com, 2002.

11.0-0 Ng4 12.Bf4 Qf6!? 13.d4 Bd6-/+.

11.0-0 Ng4 12.Bg3=+.

7.Nf3 0-0

8.Bb2 Ng4 9.e3 Re8 10.Be2 Qe7 11.h3 Nh6 12.Nc3 Nf5 13.0-0 Ng3 14.Rf2 Rd8 15.Bc4? (better is 15.Bd3=) 15...Be3!-/+ 16.Qe1 (16.de3 Qc5 Double attack (16...Rd1 Pinning; 16...Rd1 Deflection; 16...Qc5 Decoy)) 16...Bf2 17.Qf2 Nf5 (17...Qf6 18.Qg3 Qb6 19.Kh2 Qb2 20.Qc7=) 18.g4 (18.Nd5 Qd6 19.Be5 Qc6 20.Nc7 Qc4 21.Na8 Nc6+=) 18...Be6 (better is 18...Nd6!? 19.Nd5 Qf8-/+) 19.Be6= Qe6 20.Re1 (20.gf5 Qf5 21.Qg3 Qc2 22.Qc7 Na6 23.Qb7 Qg6 24.Kh1 Rab8–+) 20...Qd7 21.gf5 Qf5 22.Ne4 Nc6 (22...Qh3!? 23.Qe3 Qf5+=) 23.Kh2 Qf4 24.Kh1 f6 25.Qg2 Kh8 26.Nf6 gf6 27.Ng5 Rf8? (better is 27...h5 28.Nf7 Kh7 29.Nd8 Rd8+– (29...Nd8?? 30.Re7 Nf7 31.Rf7 Kh8 32.Qg7#)) 28.Rf1+– Qd6?? (28...Qc4 29.Bf6 Rf6 30.Rf6 Rg8 31.Nf7 Qf7 32.Rf7 Rg2 33.Kg2 Nd4+–) 29.Rf6! (29.Rf6 Qf6 30.Qe4+– (30.Bf6 Rf6 31.Qg3 Rf1 32.Kg2 Rf5+=)) 1–0. Trokenheim,Marek (1765) – Draba,Henryk, RC–2012–0-00096, 2012.

8.e3=+ Re8 9.Be2=+ (9.Bb5 Bd7 10.Bd7 Nfd7 11.Bb2 Nb6 12.0-0 Nc6 13.Qe2) 9...Nc6 10.Bb2 Qe7 11.Bb5 Bd7 12.0-0 Rad8 13.Qe1.

8.e3=+ Bg4 9.Be2 Nc6 10.Bb2 Ne4 11.d4 Bb6 12.0-0 Qe7 13.c4.

8.e3 Ng4 9.Bb2 Qd6 10.Nc3 Re8 11.Be2 Qh6 12.0-0 Nc6 13.Qe1 Nce5 14.h3 Nf3 15.Rf3 (15.Bf3 Ne3 16.Rf2 Bh3 17.de3 Re3–+) 15...Ne3 16.de3 Re3 17.Kh2 Bd6 18.Kg1 Bc5 ½–½. Trokenheim,Marek (1765) – Gudichsen,Goran (1805), RC–2012–0-00096, 2012.

8.e3 Ng4 9.Bb2? Bd6?? 10.g3 Be6 11.Bg2 Nc6 12.Qe2= Re8 13.Nc3 Qf6 14.0-0= Qg6 15.Rac1 a6 16.Nh4 Qh6 17.Ne4 Be7 18.Rf4 Bh4 19.gh4 Nge5 20.h5 Rad8=+ 21.Rcf1 Nc4 22.Bf6 gf6 23.Nf6 Kf8 24.Ne8 Rd2–+ (24...Rd2 25.Rf7 Bf7 26.Qc4 A) 26...Ke8 27.Bc6 Kd8 28.Qh4 (28.Rf7?! Qe3 29.Kh1 bc6=) 28...Kc8 A1) 29.Rf7?! Qe3 (29...Qc6 30.Rf8 Qe8 31.Re8 Kd7 32.Rd8 Kc6 33.Qe4 Kb6 34.Rd2+–) 30.Rf2 Qe1 31.Kg2 Qf2 32.Qf2 Rf2 33.Kf2 bc6+=; A2) 29.Bb7 Kb8 30.Qf4 (30.Rf7?! Qe3 31.Rf2 Rd1 32.Kg2 Kb7+=) 30...Qf4 31.Rf4+/– (31.ef4? Kb7 32.Rf2 Rd1 33.Rf1 Rd4–+); B) 26...Qe3 27.Kh1 Qe8–+ (27...Ke8 28.Qf7 Kd8 29.Bc6 bc6 30.Qg8 Qe8 31.Qg5 Kc8 32.Qd2+–)) 0–1. Benassi,Aspasio (2155) – Seipel,Andreas (2350), Telechess, 2003.

8.e3 Nc6

9.Bb2 Qe7 10.Bd3 Nd5 (10...Bg4 11.0-0=+) 11.Nc3 Nc3 (11...Nf4! 12.0-0 Bg4=) 12.Bc3= Ba3 13.Ra3 Qa3 14.Ng5 h6 15.Qh5 Ne5 16.Be5 Qc1 17.Kf2 Qd2 (17...Qh1?? 18.Qh6!? Qg2 19.Kg2 Bh3 20.Kh3 gh6 21.Bh7) 18.Kg3 Qe3 19.Nf3 Qc5 20.Rb1 c6 21.Qh4 b5 22.Qf4 Re8 23.Re1 Bd7 24.Rd1 Qe7 25.Bd4 c5 26.Bb2 Rac8 Black intends c4 27.Ne5 c4 28.Bg6 Pawn f7, live or die! (28.Be4 c3 29.Rd7 Qe5–+) 28...fg6=+ 29.Rd7 Qe6 30.Qd4 (30.Bd4 Rcd8 31.Rd8 Rd8 32.Ba7 Rf8=+) 30...c3 31.Bc3 (31.Nf3 Re7 32.Rd6-/+) 31...Rc3!-/+ 32.Qc3 a5 0–1. marekt (1995) – cimabue (2065), gameknot.com, 2014.

9.Bb2 Re8 10.Nc3 Bg4 11.Be2 Qe7 12.0-0 Rad8 13.Qe1 Bh5 14.Kh1 Bg6 15.Na4 Bd6 (15...Bc2 16.Nc5 Qc5 17.Rc1+–) 16.Bd3 Bd3 17.cd3 Ng4 18.d4 Na5 19.Qe2 Nb3 20.Rab1 Qd7 (worse 20...Ba3 21.Qd3 Bb2 22.Qb3+=) 21.Nc3 c6 (21...h6 22.Qb5 Qb5 23.Nb5 Nh2 24.Nh2 (worse 24.Nd6 Nf1 25.Ne8 Nbd2 26.Nd2 Nd2-/+) 24...Nd2 25.Rbc1 Nf1 26.Nf1=+) 22.Qd3+= Qe6 23.h3 Nh6 24.Ne2 Qd5 25.Qc2 Na5 26.Bc1 b6 27.d3 Rc8 (27...f5!?+=) 28.e4+– Qe6 29.Bd2 Ba3 30.Nf4 Qd7 31.Nh5 Qd8? (better 31...Qe6+–) 32.Bh6 gh6 33.Ne5 Re5 (33...Rf8 34.Qa2 Qe7 35.Rf6+–) 34.de5 Bc5 (34...Qe7+–) 35.Qa2 Qe7 36.Rf6 Rf8 (36...Bd4 37.Rbf1 Rc7+–) 37.Rbf1 (37.Rbf1 Bd4 38.Qd2 Qe5 39.Qh6 Qh5 40.Qh5 Bf6 41.Rf6 b5 42.Rh6 f6 43.Rh7 c5 44.Qg6) 1–0. marekt (2155) – gabrel (2030), gameknot.com, 2014.

9.Bb2 Bf5 10.Nc3-/+.

9.Bb2 Bg4 10.Bb5 Qd6 11.d4 Bb6 12.0-0 Nd5 13.Qd3 Rae8 14.c4 Ne3 15.c5 Bc5.

9.Bb2 Bg4 10.Bc4 Re8 (10...Ne4 11.0-0 Nd4 12.Bd4 Bd4 13.c3 Bf6 14.Qc2 Nd6 15.Bd3 h6; 10...Qe7 11.0-0 Rad8 12.Qe1 Bf3 13.Rf3 Ne5 14.Rf4 Neg4 15.Rf5 Bd6) 11.0-0 Qd6 12.Nc3 Bf3 13.Qf3 Ne5 14.Qe2 Neg4 15.Bf7 Kh8.

9.Bb2 Bg4 10.Bd3 Re8 (10...a6 11.h3 Bh5 12.0-0 Re8 13.Nc3 Ne5 14.Be2 Bf3 15.Bf3 Nf3; 10...Qe7 11.0-0 Rae8 12.Qe1 Ne4 13.Nc3 Nc3 14.Bc3 f5 15.Bc4 Kh8) 11.h3 Bh5 12.0-0 Ne4 13.Qe1 Nd2 14.Nbd2 Re3 15.Qf2 Bb6.

9.Bb2 Bg4 10.Be2=+ Qd6 11.0-0 Rad8 12.Qe1 Nd5 13.Bd3 h6 14.Nh4 Rde8 15.Kh1 Nce7.

9.Bb2 Bg4 10.Be2=+ Ne4 11.0-0 Re8 12.Qe1 Nd2 13.Nbd2 Be3 14.Rf2 Qd5 15.Nf1 Bf2.

9.Bb2 Bg4 10.Be2 Qe7 11.0-0 Bd6 12.Qe1 a6 13.Nh4 Be5 14.Be5 Ne5 15.Nc3 Qd6 16.d4 Ned7 17.Bg4 Ng4 18.Rf4 Nh6 19.g4 f6 20.Nf5 Nf5 21.gf5 Rfe8 22.Qg3 Re7 ½–½. Benassi Aspasio (2205) – Fournier,Frederic (2095), KMG, 2005.

9.Bb2 Bg4 10.Be2 Qe7 11.0-0 Rad8 12.Qc1 Ne4 13.d4 (13.Bd3=+) 13...Bd6 14.c4 b6 15.Nc3 f5 (15...Nc3 16.Qc3 Rde8 17.c5 bc5 18.Bb5+–) 16.Nb5 Rde8 (16...a6 17.Nd6 Qd6 18.c5 bc5 19.dc5 Nc5 20.Qc4 Kh8 21.Rac1 Bf3 22.Rf3+– (22.Bf3?! Nd3=+)) 17.Rb1 (17.c5 bc5 18.d5 Na5-/+) 17...Na5 (17...a6 18.Nd6 Qd6 19.c5 bc5 20.Qc4 Rf7 21.dc5=) 18.c5 (18.Bd3 a6 19.Nd6 cd6= (worse 19...Nd6 20.c5 bc5 21.Ba6+=)) 18...bc5=+ 19.Qe1 Bf3 20.Rf3 Nc6 21.Nd6 (21.Bc4 Kh8 22.Bd5 Qd7 23.dc5 Bc5 (23...Nc5?! 24.Nd6 Qd6 25.Bg7 Kg7 26.Qg3 Qg3 27.Rg3 Kf6 28.Bc6=+) 24.Be4 fe4 25.Rf8 Rf8-/+) 21...Qd6 (21...cd6 22.Bb5 Rc8 23.Bc4 Kh8 24.Rf4=+) 22.Bc4 Kh8 23.d5 Ne5 (23...Ne7 24.Rd1=+) 24.Be5 Qe5 25.a4 Rd8 26.Rc1 (26.Qh4 g5 27.Qe1 c6 28.dc6 Nd2–+) 26...Rd6-/+ 27.Rf4 (27.a5 Rh6 28.h3 c6-/+) 27...Rh6 (27...Nf6 28.Bd3 Nd5 29.Rf5 Rf5 30.Bf5 Ne3 31.Rb1–+) 28.h3 (28.Rh4 Rh4 29.Qh4 Nd6-/+) 28...g5 (28...c6 29.dc6 Rc6 30.Bd3-/+) 29.Rf1 g4 30.h4 g3 (30...Qg3 31.Qg3 Ng3 32.Rfe1-/+) 31.Rf4=+ Qf6 32.Bd3 (32.Qa5 Rh4 33.Qa6 c6 34.Qc6 Qb2 35.Qc5 Nc5 36.Rh4 Qc1 37.Bf1 Qe1 38.Rf4 Qe3 39.Kh1 Qf4 40.Bd3 Qc1 41.Bf1 Qf1) 32…a6?? (32...a6 33.Be4 Rh4 34.Rf5 Qh6 35.Rf8 Qf8+–; better 32...Rh4 33.Be4 Rf4 34.ef4 Qd4 35.Kh1 fe4 (35...Qe4?! 36.Qg3 Qd5 37.Qc3 Qd4 38.Qc5 Qc5 39.Rc5=) 36.Qg3 e3–+) 0–1. Tschoepe,Frank (1700) – Milde,Lars (2140), HFK.062.02 ETC, 2003.

9.Bb2 Bg4 10.Be2=+ Qe7 11.0-0 Rad8 12.Qe1 Ne4 13.Bb5 Nd2 14.Nbd2 Be3 15.Rf2 Qc5.

9.Bb2 Bg4 10.Be2 Qe7 11.0-0 Rad8 12.Qe1 Ne4 13.Bb5 Rd6=+.

9.Bb2 Ng4 10.h3 (10.Bb5 Qd6= (10...Bd7 11.Nc3 a6 12.Be2 Re8 13.0-0 Bd6 14.Rb1 Rb8 15.a4 Bf5) 11.Nc3 Rd8 12.Ba4 Qg6 13.Qe2 Bd6 14.0-0 Nce5 15.g3 Nf3; 10.Be2 Qe7 11.h3 Nf6 12.0-0 Ne4 13.Qe1 f5 14.Bb5 Bd7 15.Nc3 Nc3) 10...Nh6 (10...Nf6 11.Bb5= (11.Bd3 Qe7 12.0-0 Ne4 13.Qe1 f5 14.Nc3 Nc3 15.Bc3 Be6) 11...Qd6 12.0-0 a6 13.Bc6 Qc6 14.Ne5 Qd5 15.Nd3 Be7) 11.Nc3 (11.Bb5 Qd6= 12.0-0 a6 13.Bd3 Bf5 14.Ne1 Bg6 15.Nc3 Rae8; 11.Bd3 Bf5 12.Bb5 Qd6 13.0-0 Rfe8 14.d4 Bb6 15.c4 Qe6) 11...Bd6=+ 12.Bd3 (12.Ne4 Bf5 13.Nd6 (13.Nf2 Qd7 14.Be2 Rfe8 15.0-0 Rad8) 13...Qd6=+ 14.Bb5 Qg3 15.Kf1 Be4) 12...Bg3 13.Kf1 Nf5 (13...Re8 14.Kg1=+ Bf5 15.Bb5 Qf6) 14.Ne4 (14.Kg1 Be6=+ (14...Re8 15.Rb1 a6) 15.Ne4 a6) 14...Re8 15.Kg1 h6 (15...Qd5 16.Qf1=+; 15...a6=+) 16.Qb1 b6 (16...Ne5 17.Ne5 Be5 18.Be5 Re5 19.Qf1=) 17.Bc3= Be5 18.Qb5 (18.Qb2 Bc3 19.Qc3 Na5=+) 18...Bc3 19.Nc3 Nce7 20.Kf2 a6 21.Qe5 Be6 (21...Nd6 22.Rhf1=) 22.Rhf1= Ng6 23.Qh2 Nd6 (23...c5 24.Kg1=) 24.Rfe1 (24.Bg6 fg6 25.Kg1 Nc4=) 24...Nh4=+ 25.Nh4 Qh4 26.Qg3 Qg3 (26...Qe7 27.Kg1=+) 27.Kg3 Rad8 28.a4 (28.e4 b5=+) 28...c5 (28...Bc4 29.Kf3=+) 29.Ba6= Nf5 30.Kf2 Rd2 31.Re2 Rd6 32.Ne4 Rd5 (32...Rdd8 33.a5 Bc8 34.Bc8 Rc8 35.g4 Re4 36.gf5 ba5 37.Ra5=) 33.Nc3 (33.Rb1 Nd6 34.Ng3 Rb8=) 33...Rd6 34.Ne4 (34.g4 Ne7=) 34...Rd5 (34...Rdd8 35.a5 Bd7 36.Nc3 ba5 37.Ra5=) 35.Nc3 (35.Rb1 Nd6 36.Ng3 Rb8=) 35…Rd6 ½–½. marekt (2055) – varcany (2055), gameknot.com, 2014.

5.fe5 Bg1

6.Rg1 Nc6 7.d4 +=.

6.Rg1 d5 7.c4 d4 8.e3 Nc6 9.ed4=+ Nd4 10.Nc3 Bf5 11.d3 Qh4 12.g3 Qh2 13.Rg2 Qh6 14.Nd5= Bg4?? 15.Nc7+– Kd8 16.Qg4 Nc2 17.Rc2 Kc7 18.Qf3 Rd8 19.Bg2 Rb8 20.Qf7 Kb6 21.Bd4 Ka5 22.Qd7 b6 23.Qa7# 1–0. pierre – REDDHIOS, internet, 2010.

6.Rg1 de5 7.Be5 f6 8.Bb2= c6 9.e3+= Nd7 10.Nc3 Ne7+= 11.Qh5 Ng6 12.d4 Kf8? 13.Bd3+– Qe8 14.Kf2 Ne7 15.Qa5 b6 16.Qb4 a5+/– 17.Qd6 b5 18.Rgf1 Nb6 19.Nb5! cb5 20.Qb6 Bd7 21.Kg1 Rc8 22.Rf6! gf6 23.Qf6 Qf7 24.Qh8 Ng8 25.Rf1 (25.Rf1 Be8 26.d5 Qf1 27.Kf1+–) 1–0. pierre – taktb, internet, 2010.

6.Rg1 de5 7.Be5 Nf6 8.Nc3 Nc6 9.Bf4 0-0 10.e3= Nd5 11.Nd5+= Qd5 12.Rb1 Ne5= 13.d4 Ng6 14.Bc7 Re8 15.Qd2 Bf5 16.Rb5 Qe6 17.d5 Qe3 18.Qe3 Re3 19.Kd2 Ra3 20.Rb7 Rc8 21.Bc4 Nf4 22.Rf1+– Ng2 23.Rf5 Ra4 24.Bb3 Rd4 25.Kc3 Rd1 26.Re5 Nf4 27.Bc4 Ng6 28.Re4 f5 29.d6 Kh8 30.Rd4 Ne5 31.Rd1 (31.Rd1 h5 32.d7+–) 1–0. pierre – opponent, internet, 2010.

6.Rg1 de5 7.Be5 Nf6 8.e3 Nc6 9.Bb5 Bd7 10.Bc6 Bc6 (< 10...bc6 11.Qf3+/–) 11.Rf1 Qe7 (11...Bg2!? 12.Bf6 gf6=) 12.Bf6+= gf6 13.g3 0-0-0 14.Qg4 Kb8 15.Qf5 Exerts pressure on the isolated pawn (15.Nc3 Qd6 16.Rf2 Rhe8+/–) 15...Rd6= 16.Rf4 Rhd8 17.Qh7 The passed pawn on h2 quickly leads to threats 17...Qe5 18.c3 Bb5 (18...Rd2 19.Nd2 Qe3 20.Kf1 Qd2–+) 19.Qe4+= Qh5 20.Qg2 Bc6 21.Qe2 Qd5 The pressure on the backward pawn d2 grows (21...Qg6 22.Rb4+=) 22.e4+/– Qg5 (22...Qa5 23.h3+/–) 23.d4 Bb5 24.Qf3 (24.Qe3 Qh6 25.h4 c5+/–) 24...Bc6 (24...c5 25.h4 Qh6 26.a4+=) 25.h4 Qg6 26.h5 Qg5 27.Nd2 Re8 28.Rf5 (28.Rb1 Rde6 29.Kd1 Ka8+–) 28...Qg7 29.0-0-0 Ba4 (29...Bd7 30.Rf4+–) 30.Rh1 Qh6 31.Qf4 Qg7 32.h6 Qh7 (32...Qh8 33.Rf1+–) 33.Rf6 Rf6 (33...Rc6 34.Qf3+–) 34.Qf6 a6 (34...Rg8 35.Rf1 Rh8 36.g4+–) 35.Qg7 Qg6 (35...Rh8 36.g4+–) 36.Qg6 fg6 37.h7 1–0. b4_player (1930) – PVI (1785), GameColony.com, 2002.

6.Rg1 Nh6 7.ed6 Qd6 8.Rh1 0-0-/+.

6.Rg1 Nh6 7.e3 Bg4-/+ 8.Qc1 Qh4 (8...Qh4 9.g3 Qh2-/+) 0–1. chess_research (2165) – chuckhar (2310), gameknot.com, 2014.

6.Rg1 Nh6 7.e3 Bg4 8.Be2? Qh4–+ 9.Kf1 Be2 (9...de5 10.g3 Qh5 11.Nc3-/+) 10.Qe2-/+ Ng4 (10...de5 11.g3 Qh3 12.Rg2-/+) 11.g3 (11.Rh1 de5 (worse 11...Nh2 12.Kg1+–) 12.h3 Qf6 13.Qf3 Nh6 14.Qf6 gf6=+) 11...Qh3-/+ (11...Nh2 12.Kg2 Qg4 13.Qb5 c6 14.Qb7 Qf3 15.Kh2 Qh5 16.Kg2 Qe2 17.Kh1 Qh5 18.Kg2 Qe2 19.Kh3 Qh5 20.Kg2=) 12.Qg2 Qg2 (worse 12...Qh2 13.Qh2 Nh2 14.Ke2=) 13.Kg2 Ne5 (13...de5?! 14.h3 Nf6 15.Be5=) 14.Nc3 Nbc6 (14...Kd7 15.Rgf1-/+) 15.Nd5 0-0-0 16.Bc3 (16.e4 Rhe8-/+) 16...f6 (16...Rhe8 17.e4-/+) 17.e4 Rhe8 18.Rge1 (18.Rgf1 Ng6 19.d3 Nce7 20.Ne7 Ne7-/+) 18...Ne7 19.Nf4 N7g6 (19...Kd7 20.Reb1 b6 21.d4-/+) 20.Nd5 (20.h4 c6-/+) 20...Nc6 (20...Nf7 21.d3-/+) 21.Kf2 (21.d3 Nce7 22.Ne7 Re7-/+) 21...Nge7 (21...Nce7 22.Ne7 Re7 23.d3-/+) 22.Nf4=+ Ng6 23.Nd5 Nge7 (23...Nce7 24.Ne7 Re7 25.h3-/+) 24.Nf4=+ Ng6 (24...Rd7!?=+) 25.Nd5= ½–½. marekt – papadale, ChessWorld.net, 2018.

6.Rg1 Nh6 7.g3 0-0 8.ed6 Qd6 9.e3 Nc6 10.h3 Bf5 11.Nc3 Rfe8 12.Ne2 Ne5 13.Be5 Qe5 14.Rb1 Be4 (14...b6 15.Bg2 Rad8 16.Rf1+=) 15.Nc3= Bc6 16.Bd3 Rad8 17.Ne2 Nf5 18.Qc1 a5 19.Qb2 Qd6 20.Kf2 Re5 21.Rbf1 Rde8 22.Ke1 Ne3 (22...Qd7!?+=) 23.de3= Re3 24.Rf2 Bf3 25.Rf3 (25.Qb5!? Qe7 26.Rgf1 Qa3 27.Kd2 Be2 28.Re2 Re2 29.Be2=) 25...Rf3+= 26.Qb7 c6 27.Qb3 g6 28.Kd1 Rb8 29.Qa2 c5 30.g4 Qf6 31.g5 Qe5 32.Re1 Qg5 33.Nc3 Rh3 34.Rf1 Rb7 35.Ne4 Qg2 (35...Qg2 36.Rf2 Rh1 37.Ke2 Qg4 38.Kd2 Qg1–+) 0–1. pcmvr – fluors, net–chess.com, 2016.

6.Rg1 Qh4

7.g3 Qh2 8.Rg2 Qh6 9.Nc3 Na6 10.ed6 (10.e4 Qg6 11.Bb5 Bd7 12.ed6 cd6 13.Ba6 ba6 14.Qe2 Rb8 15.Rb1) 10...Qd6 11.g4-/+ (11.Nb5 Qg6 12.e3 Bg4 13.Qc1 f6 14.Rg1 Ne7 15.Qb1) 11...Qh6 12.Ne4 Be6 13.Rg3 Qh4 14.Bg7 Nc5 15.Qb1.

7.g3 Qh2 8.Rg2 Qh6 9.Nc3 Kd8 10.Nd5 (10.ed6 Qd6 11.Nb5 Qg6 12.e3 Bg4 13.Qb1 Nd7 14.Bd3 Qg5 15.Qa2) 10...Be6 11.Nf4 de5 12.Be5 Nc6 13.Ne6 fe6 14.Bb2 Nf6 15.Rb1.

7.g3 Qh2 8.Rg2 Qh6 9.Nc3 de5 10.Nb5 Na6 11.Be5 Kd7 (11...Kd8 12.e4=+ Qg5 13.d4 Bh3 14.Rf2 Bf1 15.Rf1) 12.e4= Nf6 (12...Qg5 13.d4= (13.Bd4 Kd8 14.Qf3 Qg6 15.Bc4) 13...Qg6 14.Nc3 f6 15.Bf4) 13.d4 (13.Qf3 Kd8+= 14.Qc3 Ne8 15.Na7) 13...Qg6 (13...Kd8 14.Qf3= Ng4 15.Qf7) 14.Bf6 (14.Bd3 Kd8= (worse 14...Ne4 15.Qf3 f5 16.g4+–) 15.Qf3) 14...gf6 (14...Qf6!? 15.Rf2 Qg6=) 15.Qf3+= c6 (15...Kd8 16.Rf2+=) 16.Nc3 Re8 (16...Nc7 17.Bd3+=) 17.0-0-0 White prepares d5 (17.Ba6 ba6 18.Rf2 Rg8+=) 17...Ke7 (17...Nc7 18.Rf2+=) 18.g4 (18.Ba6 ba6 19.Qf4 Bg4+=) 18...Nc7 (18...Qg5 19.Rdd2 Nc7 20.Nd1=) 19.d5 Qg5 20.Kb1 Rd8 21.Bc4 (21.Be2 Qe5 22.Rd3=) 21...cd5 (better 21...b5!? 22.Bb3 Rb8 23.dc6 Rd1 24.Qd1 b4 25.Nd5 Nd5 26.Qd5 A) 26...ba3? 27.Qf7 Kd6 A1) 28.Qh7?! Qe5 29.Qh2 Qh2 (worse 29...Kc6 30.Qe5 fe5 31.g5+–) 30.Rh2 Bg4+=; A2) 28.Rf2 a2 29.Ka2 Qa5 30.Kb2 Qe5 31.Kb1+–; B) 26...Qd5 27.ed5 ba3 28.Re2 Kd6+–) 22.ed5+– Ne8 23.Rh1 (23.Bd3 h6+–) 23...Nd6 24.Bd3 (24.Ne4 Ne4 25.Qe4 Kd6+–) 24...Rh8 25.Re1 (better 25.Bh7 Bd7 26.Ne4 Ne4 27.Qe4 Kd8 28.Rh5+–) 25...Kf8?? (better 25...Kd7+–) 26.Qg3+– Ne8 (26...Nf5 27.gf5 Qg3 28.Rg3 Bd7+–) 27.Re8! Kg7 (27...Ke8 28.Qd6 Combination) 28.Ne4 Qd5 (28...Re8 29.Ng5 fg5+–) 29.Nf6! Kf6 (29...Kf6 30.Rh8 Deflection (30.Rh8 Overloading)) 30.Rh8 Kg7 31.Qh4 Qd3 32.cd3 Kh8 33.Rh2 Kg7 34.Qh6 (34.Qh6 Kg8 35.Rh5 Be6 36.Rg5 Kh8 37.Qf6) 1–0. Andre,Ricardo – O'Brien,Glenn, IECG, 2008.

7.g3 Qh2 8.Rg2 Qh6 9.ed6 cd6 10.Nc3 Nc6 11.Nb5+= Kd7 12.Rf2 Qg6 13.c4 Qg3 14.a4 Nh6 15.Ra3+– Qg5 16.Rd3 Nf5?? 17.Rf5!+– Qf5 18.Bh3 Qh3 19.Rh3 Ne5 20.c5! Nc4 21.Bg7 Rg8 22.Qb3 Rg7 23.Qc4 h5 24.Qd5 Rg1 25.Kf2 Rg6 26.Qf7 Kd8 27.Rh5 Rh6 28.Qf8 Kd7 29.Rh6 (29.Rh6 dc5 30.Rd6#) 1–0. pierre – oppoly, internet, 2010.

7.g3 Qh2 8.Rg2 Qh6 9.ed6 cd6 10.Nc3 Ne7=+ 11.e4 Qg6 12.Qf3 Bg4 13.Qf4 Nbc6 14.Rf2 a6 15.Nd1.

7.g3 Qh2 8.Rg2 Qh6 9.ed6 cd6 10.Nc3 Nf6 11.Nb5= Na6 12.Nd6 Ke7 13.Nc8 Rac8 14.e3 Rhd8 15.Qf3 Kf8 16.Bf6+– Qf6 17.Qf6 gf6 18.Ba6 ba6 19.0-0-0 Rd5+/– 20.Rh1 Ra5 21.Rh7 Ke7 22.Rgh2 Ra3 23.R7h4 Ra2 24.Re4 Kd6 25.c4 Ra4 26.d3+– Ra3 27.Rh6 Rd3 28.Kc2 Ra3 29.Rf6 Kc5 30.Rf7 Kb4 31.Rb7+– Ka5 32.g4 Rc5 33.Ra7 Ra4 34.Kc3 Ra3 35.Kd4 Rc6 36.Rd7 Ra4 37.Kd5 Kb6 38.Rd6 Ra5 39.Ke6 Rd6 40.Kd6 Rh5?? 41.gh5 (41.gh5 Kb7 42.Re7 Kb6 43.h6 Ka5 44.h7 Kb4 45.h8Q Kc4 46.Qd4 Kb3 47.Rb7 Kc2 48.Rb2 Kc1 49.Qd2#) 1–0. guest895 – guest1987, ICC, 2003.

7.g3 Qh2 8.Rg2 Qh6 9.ed6 cd6 10.Nc3 Bg4 11.Nb5 Na6 (11...Kd7!?=+) 12.Nd6= Qd6 (better is 12...Ke7!? 13.Ne4 Qg6+=) 13.Bg7+/– 0-0-0 (13...Bh3 14.Rf2 (14.Bh8?! Bg2 15.Bg2 Qg3 16.Kf1 0-0-0=) 14...Bf1 15.Kf1+/–) 14.Bh8+– f6 15.Rf2 Qg3 16.Bg2 (better is 16.Rb1!?+–) 16...Nc5+= 17.Qc1 (17.d3 Bh3 18.Bh3 Qh3=) 17...Re8= 18.Kf1 (18.e3 Ne4 19.Be4 Re4–+) 18...Re2 19.Re2 Be2 20.Kg1 Bf3 (20...Ne4 21.Qe1 Qg4 22.Kh2 Qh5 23.Kg1 Qc5 24.Kh2 Qe5 25.Kg1=) 21.Qf1+= Bc6 22.Qf2 Qg5 23.Re1 Ne4 24.Qe3 Qg6 25.Kh1 Ng3 (25...f5 26.Be5 Ne7 27.Bh2+/–) 26.Kh2+/– Bg2 27.Qe8 Kc7 28.Qg6 hg6 29.Kg2 Nf5 (29...Nh5!?+/–) 30.Re8+– Nge7 (30...Nfh6 31.Rf8+–) 31.Bf6 Nd5 32.Be5 Kd7 33.Rh8 (33.Rb8 Kc6+–) 33...a6 34.c4 Nb6 35.d3 Ke6 (35...Na4 36.Rh7 Ke6 37.Bh8+–) 36.Re8 Kf7 (36...Kd7 37.Rb8 Kc6 38.Kh3+–) 37.Rb8 Nd7 38.Rb7 Ke6 39.Bh8 Ne3 (39...Nc5 40.Rb6 Ke7 41.d4+–) 40.Kf3 Nc2 41.Ra7 Nb8 (41...Ne1 42.Ke2 Ng2 43.Ra6 Kf5 44.d4+–) 42.Ra8 (42.Ke4 Nc6 43.Ra6 Kd7+–) 42...Nc6 43.Ra6 Kd7 44.c5 g5 45.Bf6 1–0. b4_player (2155) – flar (1920), GameColony.com, 2002.

5.fe5 Qh4

6.g3 Qe4 7.Nf3 de5 8.Be5 1–0. Pierre – Sears, internet, 2020.

6.g3 Qe4 7.Nf3 f6? 8.Nc3+– Qg4 9.Nd5 Kd8? (9...Na6 10.e3 Qe4+–) 10.Nf4 (10.ef6?! gf6 11.e3 Nc6+–) 10...fe5 11.Bh3 Qh3 12.Nh3 Bh3 13.d4 ed4 14.Ng5 (14.Nd4?! Nf6+–) 14...Bg2 15.Rg1 Bd5 16.Bd4 Bd4 17.Qd4 Nf6 18.c4 Bg8 19.c5 Nc6 20.Qf4 (20.Qb2 Kc8 21.cd6 cd6+–) 20...h6 (20...d5 21.Rd1 Kc8 22.e4+–) 21.Ne4 Nd4 (21...Ne4 22.Qf8 Kd7 23.Qg7 Bf7 24.Qf7 Ne7 25.cd6 Nd6+–) 22.Nf6 Nc2 23.Kf2 Na1 (23...Be6 24.Qe4 Rf8 25.Qc2 Rf6 26.Ke3 Bf5+–) 24.Ng8 Rg8 25.cd6 Kd7 (25...Rh8+–) 26.Qf7 (26.Ra1?! Raf8 27.dc7 Rf4 28.gf4 Rf8=) 26...Kd6 (26...Kc6 27.Qc7 Kd5 28.Rd1 Ke6 29.Qe7 Kf5 30.Qf7 Kg5 31.Rd5 Kg4 32.Qd7) 27.Rd1 (27.Ra1?! Rgf8 28.Rd1 Ke5 29.Rd5 Ke4=) 27...Ke5 (27...Kc6 28.Qd5 Kb6 29.Rb1 Nb3 30.Rb3 Ka6 31.Qb5) 28.Rd5 (28.Ra1 Rgf8 29.Qf3 c5-/+) 28...Ke4 29.Qe6 1–0. marekt (2125) – pukism (1745), gameknot.com, 2014.

4.e3 ef4??

5.Nf3 Bc5 6.Bg7 Nf6 7.Bh8 Ng4 8.d4 Bb6 (8...Ne3 9.Qd3 (9.dc5 Nd1 10.Kd1 dc5 11.Nbd2 Qe7=+) 9...Bf5 10.Qb5 (10.dc5? Bd3 11.cd3 f6–+) 10...c6 11.Qb7+–) 9.Qd3 f5 10.Qc4 (10.Qb3 Ke7 11.Bg7 Be6+–) 10...d5 11.Qd3 c5 (11...Nc6 12.Nc3 Qd6 13.Nd1+–) 12.dc5 Bc5 13.Bd4 Bd6 (13...Na6 14.Nc3 Qa5 15.Rb1+–) 14.h3 (14.h3 Nf6 15.Bf6 Qf6 16.Nc3+–) 1–0. Pierre – Grevand, internet, 2020.

5.ef4? Nf6 6.c3 Qe7 7.Be2 Ba5 8.Nf3 0-0 9.0-0 Re8 10.Na3?? Bb6–+ 11.d4 Qe2 12.Qe2 Re2 13.Rf2 Rf2 14.Kf2 Nc6 15.h3 Be6 16.Nc2 Nd5 17.Kg1 Nf4 (17...Nf4 18.a3 Nd3–+) 0–1. Hasler,Ulrich – Landgraf,Manfred, corr KMG–19, 1989.

5.Bg7–+ Qh4

6.g3 fg3 7.Bg2 gh2 8.Kf1 hg1Q 9.Kg1 Qg3 10.Bh8 Bf5 11.Qf3+= Qf3 12.Bf3 Nc6 13.c3 Ba5 14.Na3 Bd3 15.Rh5 Nge7 16.Bf6 Bb6 17.Nb5 Ng8 18.Bg7 f6 19.Bd5 Nge7 20.Be6 Nd8 21.Bb3 d5 22.a4 Kf7 23.Bh6 Ne6 24.Kf2 Nc5 25.Bd5 Nd5 26.Rd5 Rg8 27.a5 Bb5 28.ab6 ab6 29.Ra7 Bc6 30.Rd4 Ne4 31.Ke1 Ng5 32.Rb4 Nf3-/+ 33.Kd1 Rg1 34.Kc2 Rg2 35.e4 Ne1 36.Kb3 Nd3 37.Rd4 Nc5 38.Kc4 Ne6 39.Rd5 Bd5 40.Kd5-/+ Rh2 41.Be3 b5 42.e5 f5 43.Rb7 f4 44.Bd4 Rd2 45.Rb5 Rd4! 46.cd4 c6! 47.Kc6 Nd4 48.Kd5 Nb5 49.Ke4 Kg6 50.Kf4 Nd4 (50...Nd4 51.Ke4 Ne6–+) 0–1. Registration (2380) – ajop, ICC, 2003.

6.g3 fg3 7.Bg2 gh2 8.Kf1 hg1Q 9.Kg1 Qg5 10.Bh8 Bg4 11.Qf1 h5 12.Bc3 Na6 13.a3 Bc3=+ 14.Nc3 c6 15.Rb1= Nc5 16.Qf2 0-0-0 17.Qf7= Nh6 18.Qf2 Qg6 19.d3 Rg8=+ 20.d4 Ne6 21.Ne4 Ng5 22.Ng5 Qg5 23.Rh2 Nf5 24.e4 Ne3 25.Rb3 Nc4 26.Rg3 h4 27.Rc3 Qc1 28.Qf1 Qd2 29.Rd3 Qg5 (29...Qg5 30.Kh1 Kb8=+). Registration (2430) – MrPeabody (2725), ICC, 2003.

6.g3 fg3 7.Bg2 gh2 8.Kf1 hg1Q 9.Kg1 Qg5 10.Bh8 Bg4 11.Qf1 h5 12.Nc3 Bc3 13.Bc3 Nd7 14.Rb1 Nc5 15.Qf4 Qg6 16.Kh2 Rb8 17.e4 (17.Bc6 Kd8 (17...Ke7= 18.d3 Kd8 19.Bd5 f5 20.Qd4 Ne7 21.Qh8=) 18.Bd5 f5 19.Qd4 Ne7 20.Bg2 Ne4 21.Rhg1+=) 17...Ne7 (17...Nh6 18.e5= Bf5 19.ed6 cd6 20.d3 Ng4 21.Kg1+=) 18.Rhf1 (18.Qf6 Be6 19.a3 Qh7 20.Qh8 Qh8 21.Bh8=) 18...Qe6 (18...h4 19.d3= h3 20.Bf3 Bc8 21.a3=; 18...Be6 19.a3 Kd7 20.d4 Na4 21.Bd2=) 19.d4 (19.e5 Ng6 20.Qf2 b6+= (worse is 20...Qa2 21.ed6 cd6 22.d4+/–; worse is 20...Ne5 21.Rbe1+/–) 21.d4=; 19.Qf6 Ng6 20.d4 Qf6 21.Rf6=) 19...Ng6 (19...Nd7 20.a3 (20.d5 Qg6 21.Rf2=) 20...c5 21.d5=) 20.Qh6 (20.Qe3 Nd7 21.d5 Qe7 22.Qa7 Qh4 23.Kg1 Bh3+/–; 20.Qf6 Qf6 21.Rf6=) 20...Nd7= (20...Ne4? 21.d5 Qd5 22.Rbe1+–) 21.Qg7 Ngf8 (21...c5 22.Qg8 Ngf8 23.d5=) 22.e5 (22.Rf2 Qg6 (22...Qa2? 23.d5 c6 24.Qf7 Kd8 25.Rbf1+–) 23.Qg6 Ng6=) 22...de5= 23.d5 Qg6 24.Be5 Qg7 (24...Qc2 25.Qf7 Kd8 26.Rfc1 Qc1 27.Rc1 c6 28.dc6 bc6 29.Bf6 Nf6 30.Qf6 Kc7 31.Qc6 Kd8 32.Qf6 Kd7 33.Bc6 Kc7 34.Bb5 Kb7 35.Qc6; 24...Ne5 25.Qe5 Kd7 26.Rf6+–) 25.Bg7 f5 26.Bh3 Ke7 27.Bg4 fg4 28.Rf5 h4 29.Rb4 c6 30.dc6 Ne6 31.cd7 Ng7 32.Rd5 g3 33.Kh3 Ne6 34.Re4 Rd8 35.Rde5 Rg8 36.Re6 Kd7 37.Re7 Kd6 38.R4e6 Kc5 39.Re2 Kb6 40.R7e4 Kc5 41.Rh4 a6 42.Rg4 Rf8 43.Kg3 Rf1 44.a4 Rg1 45.Kf4 Rg4 46.Kg4 Kb4 47.Re7 b5 48.ab5 Kb5 49.Kf3 a5 50.Ke3 Kc4 51.Rc7 Kb5 52.Kd4 Kb6 53.Rh7 a4 54.c4 Ka5 55.c5 Kb5 56.Ra7 Kc6 57.Ra4 Kb5 58.Ra1 Kc6 59.Rb1 Kd7 60.Kd5 Kc7 61.c6 Kd8 62.Kd6 Kc8 63.Rb2 (63.Rb2 Kd8 64.Rb8#; 63.Rb6 Kd8 64.Rb8#) 1–0. Piriyev,Maksat – Aybakan,Sevket, chessmoon.com, 2011.

6.g3 fg3 7.Bg2 gh2 8.Kf1 hg1Q 9.Kg1=+ Qg5 10.Bh8 Bg4 11.Qf1 h5 12.Nc3 Bc3 13.Bc3= Nd7 14.Qf2 Ne7 15.Rb1 Rb8 16.Kf1 Nd5 17.Ba1 c5 18.a3 N7b6 19.Bf3 Nd7 20.Bg4 Qg4 21.e4= N5b6 22.d3 Ne5 23.Qf5 Qf5 24.ef5 Kd7 25.Rh5 Nd5 26.Kf2 b6 27.Rh7 Nf6 28.Rg7 Ke7 29.Rh1 Re8 30.Rh4 Kf8 31.Rg3+/– Ke7 32.d4 cd4 33.c3 d3 34.c4 Nfd7 35.Bc3 ½–½. Jurczyk – Dreilich, corr BdF, 1995.

4.e3 Nf6

5.a3!? Bc5 6.fe5 de5 7.Be5=+.

5.Nf3 ef4–+ 6.c3 Bc5 7.Qa4 Qd7 (7...Nbd7 8.Qf4 d5 9.Be2-/+) 8.Qf4-/+ Qf5 9.Qf5 Bf5 10.Be2 0-0 11.Nd4 Bg6 12.Nb3 Nbd7 13.c4 Bb6 14.a4 a5 15.Nc3 c6 16.Rc1 Rfe8 17.Ba3 Bc7 18.0-0 Nb6 19.Nd4 Ne4 20.Ne4 Be4 21.Bh5 Re7 22.Rf4 Rf8 23.Bd1 c5 24.Nb5 Bb8 25.Rc3 Rfe8 26.Rf1 Bg6 27.Bc1 Rc8 28.Ba3 h5 29.Kf2 h4 30.g3 hg3 31.hg3 Rce8 32.Rh1 Re5 33.Bb3 Rf5 34.Ke1 Rg5 35.Kf2 d5 36.Bc5 Nc4 37.Ke2 Bh5 38.Kd3 Rc8 39.Bd4 Bf3 40.Rg1 Rc6 41.Kc2 Rg3 42.Rg3 Bg3 43.d3 Ne5 44.Be5 Be5 45.Rc6 bc6 46.Na7 d4 47.e4 c5 48.Nc6 Bc7 49.Kd2 Kf8 50.Bd1 Bd1 51.Kd1 g5 52.Ke2 g4 53.Na7 Ke7 54.Nb5 Bd6 55.Na3 Ke6 56.Nc4 Bc7 57.Nd2 f5 58.ef5 Kf5 59.Nb3 Bb6 60.Nd2 Kf4 61.Nc4 Bd8 62.Nd2 g3 63.Nc4 Bg5 64.Nd2 Kg4 65.Nf3 c4! 66.Ne5 Kh3 67.Kd1 g2 0–1. bambinik – Woodpatzer, internet, 2002.

5.fe5 de5

6.Be2 0-0 7.Nf3 e4 8.Ne5 Nd5 9.0-0 f6 10.Nc4 Nc6 11.a3 Bc5 12.Nc3.

6.Be2 Nc6 7.Nf3 0-0 8.a3 Bd6 9.0-0 Qe7 10.Nc3 e4 11.Nh4 Qe5 12.Rf4.

6.Be2 Bd6 7.Nf3 Nc6 8.0-0 0-0 9.c4 Be6 (9...Re8 10.Qb3-/+) 10.Ng5 Qd7 11.Qc2 Nb4 12.Qb3 Rab8 (12...Bf5 13.a3 Nc6 14.d4-/+) 13.Ne6 (13.d4 ed4 14.Bd4 Bg4-/+) 13...Qe6-/+ 14.a3 Nc6 15.Nc3 a6 Black intends e4 16.Nd5 Ne8 17.Rf3 (better is 17.d3+=) 17...f6?? (17...e4 18.Rf2-/+) 18.Raf1 (18.c5!? Na5 19.Ne7 Kf7 20.Qe6 Ke6 21.cd6 Nd6 22.Bc3=) 18...Rf7 (18...e4 19.Rf5 Be5 20.Bg4 Bb2 21.Qb2=) 19.Qc2 (19.c5 Na5 (19...Bc5? 20.Nf6 Qf6 21.Rf6 gf6 22.Bh5+–) 20.Nf6 Rf6 21.Qe6 Re6 22.cd6 Nd6+=) 19...e4+= 20.Rh3 f5 21.c5 Be5 ½–½. Franke,Helmut (1865) – Holz Auf Der Heide,Gerhard (1850), 3rd Halle Germany, Senior Championship, 2011.

6.Be2 e4 7.a3 Bd6 8.Nc3 –+.

6.Be2 e4 7.a3 Bd6 8.Nh3 Bh3 9.gh3 Nc6 10.0-0 Qe7 11.Bb5 Be5 12.Be5.

6.Be2 e4 7.Nc3 Nc6 8.Bb5 0-0 9.Bc6 bc6 10.Nge2 Rb8 11.0-0 Ba6 12.Qe1.

6.Be2 e4 7.Nh3 Bh3 8.gh3 Nc6 9.a3 Bd6 10.0-0 Qe7 11.Bb5 Be5 12.Be5.

6.Be5 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe5 de5 5.Be5 Nf6 6.e3).

4.e3 Qh4

5.g3 Qf6 6.a3 -/+.

5.g3 Qe7

6.Be2 Nf6–+ 7.Nf3 Nc6 8.Nc3 0-0 9.fe5 de5 10.a3 Ba5 11.0-0 Bh3 12.Re1 e4 13.Ng5 Bd7 14.d3? (14.Kg2–+) 14...Bc3 15.Bc3 Nd5 16.Ne4 f5 17.Nf2 (17.Bd2 fe4 18.c4 Nb6–+) 17...Nc3 18.Qd2 Ne2 19.Re2 (19.Qe2 Rae8–+) 19...Ne5 20.Kg2 (20.Qb4 Qf6 21.Rb1 Bc6–+) 20...Qf7 21.d4 (21.Qc3 Bc6 22.Kf1 Nf3–+) 21...Bc6 22.Kf1 Qd5 23.e4 fe4 24.de5 Qd2 25.Rd2 e3 26.Re2 Bb5 (26...Bb5 27.Kg1 Be2–+) 0–1. pukism (1700) – pvanr (2195), gameknot.com, 2014.

6.fe5 de5 7.Bg2 Nf6 8.c3 Bd6 9.Ne2 0-0 10.0-0 Rd8 11.Qe1 e4 12.a4 Nbd7 13.Nf4 Ne5 14.Na3 c6 15.Nc2 Bg4 16.Nd4 c5 17.Nb5 g5 18.d4 ed3 19.Nd5 Nd5 20.Bd5 Bh3 21.Rf2 Be6 22.Be4 Bb8 23.Na3 Bb3 24.c4 Ng4 25.Qc3 Be5 26.Qb3 Bb2 27.Bd5 Ba1 28.Rf7 Qe3 29.Kg2 Rd5! 30.Qb7 Qe2 31.Kh3 Qh2 32.Kg4 h5 33.Kf3 Qe2# 0–1. Zimmermann,Joerg – Benassi,Aspasio, corr KMG–44, 1999.

6.Nf3!? Nc6 7.Bb5-/+.

6.Nf3 Nd7 7.fe5 de5 8.Bg2 Ngf6 9.0-0 0-0 10.Qe2 e4 11.Nd4 Ne5 12.Nf5 Bf5 13.Rf5 Bd6 14.d3 Qe6 15.de4 Rfe8 16.Nd2 Rad8 17.Bh3 Nfd7 18.Rh5 Qe7 19.Rf1 Nb6 20.Be5 Be5 21.Nf3 Bf6 22.e5 Qc5 23.Rf5 Be5 24.Ne5 Re5 25.Rf7 (25.Rf7 Nd5 26.Qg4 Qe3 27.Kh1=+). Bonetti,Shane – Zmolil,Josef, T15–11 ETC, 2004.

6.Nf3 Nd7 7.Bg2 Ngf6 8.0-0 e4 9.Nd4 Nc5 10.Nc3 Bc3 11.Bc3 Na4 12.Nb5 Nc3 13.Nc3 0-0 14.d3 d5 15.de4 de4 16.Nd5 Nd5 17.Qd5 c6 18.Qe4 Qe4 19.Be4 Re8 20.Bd3 Re3 21.Rae1 Re1 22.Re1 Kf8 23.a4 Bg4 24.Kf2 h6 25.Rb1 White fights for the Initiative 25...b6 26.a5 ba5 27.Ra1 a4 28.Ra4 a5 29.f5 h5 30.Kg2 c5 31.h3 Bd1 32.Kf2 Ra7 33.f6 h4 34.g4 Ra8 35.Ra1 c4 36.Be4 Rd8 37.fg7 Kg8 38.Ke3 Kg7 39.Ra5 Re8 40.Kf4 Rb8 41.Rd5 Rb1 42.Kg5 Ra1 43.Kh4 Rc1 44.Rc5 Be2 45.Kg3 Rf1 46.Rc7 Kf6 47.Bd5 Ke5 48.Bg2 (48.Bg2 Rf6 49.Re7 Re6 50.Rf7+–) 1–0. Pommerel,Wim (2480) – Saldana,Enrique, IECC, 2000.

6.Nf3 Nd7 7.Bg2 Ngf6 8.a3 Ba5 9.0-0 e4 10.Nd4 Nc5 11.Nc3 d5 12.Qe2 0-0 13.Rfb1 Bc3 14.Bc3 Na4 15.Nb5 Nc3 16.Nc3 Re8 17.a4 c5 18.a5 Bf5 19.Qf2 Rad8 20.Ne2 Ng4 21.Qe1 d4 22.ed4 cd4 23.Rb5 Qd7 24.Rab1 d3 25.Rb7 Qd6 26.h3 e3 (27.cd3 Bd3–+) 0–1. Reuter,Alfred (1820) – Baer,Werner (1810), ClassB–002 VCC, 2001.

6.Nh3 Nf6–+ 7.Bg2 Bg4 8.Qc1 (8.Qc1 c6 9.a3-/+). Trigance,Emile – Pech,Stepan, FICGS, 2012.

4.e4 Nc6

5.Bc4 Nf6 6.Nf3 0-0 (6...ef4 7.0-0 0-0 8.Nc3–+) 7.c3 (7.fe5 Ne5 8.Ne5 de5–+) 7...Bc5 8.d4 ed4 9.e5? (9.cd4 Bb4 10.Nbd2 Ne4 11.0-0–+) 9...dc3 10.Nc3 Ng4 11.e6 (11.Ne4 Ne3 12.Qe2 Bb6–+) 11...Be6 (better is 11...fe6 12.Qe2 d5 13.0-0-0–+) 12.Be6 fe6 13.Ng5 (13.Qe2 Qd7 14.Ne4–+) 13...Rf4 14.Ne6 (14.Nce4 d5 15.Nc5 Qg5–+) 14...Bf2 15.Kd2 (15.Kf1 Ne3 16.Ke2 Qh4 17.Nf4 Nd1 18.Kd1 Qf4–+) 15...Qf6 16.Qb3 (16.Kc1 Nb4 17.Ne4 Qe6–+ (17...Re4?! 18.Bf6 Nf6 19.Qb3–+)) 16…Rb4 (16...Rb4 17.Nd5 Qh6 (17...Rb3?! 18.Nf6 Nf6 19.ab3-/+; 17...Qb2 18.Qb2 Rb2 19.Kc3–+; 17...Qe6 18.Nb4 Qb3 19.ab3 Nb4 20.h3–+) 18.Nef4 Rb3 19.ab3 Ne3 20.Ne7 Ne7–+) 0–1. Sandeman,Michael – Sakai,Kiyotaka, corr or01–013, 2001.

5.Nf3 (--> 4.Nf3 Nc6 5.e4).

5.f5 Qh4 0–1. Meybohm – Grosch, DDR 1988.

5.Bb5 Bd7

6.Nf3 Nge7 7.fe5 Ne5 8.Bd7= Qd7 9.Be5 de5-/+ 10.0-0. Hermann,Guenther – Reimann,Andreas, corr KMG–10, 1990.

6.Nf3 Nf6 7.Bc6 Bc6 8.fe5 de5 9.0-0 Bc5 10.Kh1 Ne4 11.Ne5 Qh4–+ 12.d4 Ng3 13.Kg1 Nf1 14.dc5 Qh2 15.Kf1 Qg2 16.Ke1 0-0 17.Qe2 Qg1 18.Kd2 Rad8 19.Nd3 Rfe8 20.Qd1 Qe3 21.Kc3 a5 22.Nd2 Bb5 23.Qg1 Rd3 (23...Rd3 24.cd3 Qd3) 0–1. Tomicek,Alfons – Juroszek,Radomil, MOR–chT2N, 2002.

4.e4 Nf6

5.Qe2 0-0 6.f5?! (6.fe5 de5 7.Nf3 Nc6–+) 6...d5 7.Be5 (7.ed5 Bf5 8.Nf3 Nd5 9.Nc3 Nc3 10.dc3–+) 7...Re8 8.Bf6 (8.Nf3 de4 9.Bf6 Qf6–+) 8...Qf6 9.c3 (9.Nc3 Bc3 10.0-0-0 Bb4–+) 9…Re4 0–1. Meybohm,Dirk – Kucharkowski,Jens, corr KMG–02, 1988.

5.Qe2 ef4 6.Qf3 0-0 7.a3 –+.

5.fe5 de5 6.Be5 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe5 de5 5.Be5 Nf6 6.e4).

5.Nf3 0-0

6.c3 Ba5 7.d3 ef4–+ 8.Be2 (8.Be2 d5 9.e5–+; 8.Bc1 d5 9.e5 Nh5–+) 0–1. juanpacio (1720) – zugzwang (1700), internet, 2007.

6.Bd3 ef4–+ 7.0-0 Bc5 8.Kh1 Ng4 9.Qe1 f5 10.ef5 Re8 11.Bc4 White gets kings attack 11...Kf8 12.Be6 Be6 13.fe6=+ Qe7 14.d4 Bb6=+ 15.Qe4 Qe6 16.Qf4 Nf6 17.Ng5= Qg8 18.Qf5+= Qh8 19.Nh7+/– Ke7 20.Ng5 Qg8 21.Re1 Kf8 22.Nd2 Re1 23.Re1+– Nc6 24.Ne6 Kf7 25.Nf3 Ne7+/– 26.Nf4 Qc8 27.Ng5 Kg8 28.Qd3 Nf5? 29.Ng6 Qd7 30.Qf5!! Re8 31.Re8 Qe8 32.Qe6 Qe6 33.Ne6 Kf7 34.Ngf4 Ng4 35.h3 Ne3 36.c3 Nd1 37.Ba1 Ba5 1–0. Pietrzak,Janusz – Roman, corr Tch19–Poland, 1992.

4.fe5 d5

5.a3 Bc5 6.Nf3 Bg4 7.e3 f6 8.c4 Nc6 9.Qb3 Bb6 10.c5 Bc5 11.Qb7 Nge7 12.Qb5 Rb8 13.Qc5 Rb2 14.Bb5 Rb5 15.Qb5 0-0 16.ef6 Rf6 (16...Rf6 17.0-0 Bf3 18.Rf3 Rf3 19.gf3 d4+/–).

5.c3 Be7 6.Nf3 c5 7.e4 Qb6 8.Ba3 de4 9.Qa4 Nc6 10.Qe4 Nh6 11.Qa4 Bd7 12.Qb3 Qb3 13.ab3 Be6 14.c4 Ng4 15.Bb2 f6 16.ef6 Bf6 (16...Bf6 17.Bc3 Bf5=+).

5.Nc3 Nc6 6.Nf3 Bg4 7.Rb1 d4 8.Nb5 Bc5 9.c3 Bf5 10.Rc1 dc3 11.Nc3 Be6 12.e3 Nge7 13.Ng5 Nf5 14.Nce4 Bb4 15.a3 Ba5 16.Bb5 Bd5 (16...Bd5 17.Qh5 g6+/–).

5.Nf3 Be6

6.c3 Ba5 7.d4 Nd7 8.e3 Ne7 9.Bd3 h6 10.Nbd2 0-0 11.0-0 c5 12.Nh4 Rc8 13.Qh5 (13.Nhf3!?=) 13...cd4+= 14.ed4 Bc3 15.Nf5?? (better is 15.Bc3 Rc3 16.Be2-/+) 15...Nf5 (better is 15...Bb2 16.Nh6 gh6 17.Qh6–+) 16.Rf5 (16.Bc3 g6 17.Qg4–+) 16...Bb2 17.Raf1 (17.Rb1 Bd4 18.Kf1 g6 19.Qh6 gf5–+) 17...Bd4 18.Kh1 Bf5 (better is 18...g6 19.Qh6 gf5 20.Bf5 Bf5 21.Rf5 Ne5 22.Nf1–+) 19.Bf5 Rc7 20.e6 Nf6 21.ef7 Rcf7 22.Qg6 Qe7 23.Nf3 Qe2 (better is 23...Bc3 24.Rd1–+) 24.Bd3 Qe3 (24...Qe3 25.Re1 Qf4–+) 0–1. Fournier,Frederic – Vekemans,Paul, Ch Club, 1997.

6.e3 Nc6 7.Be2 Bc5 8.d4 Be7 9.0-0 Nh6 10.Nc3 0-0 11.Qd2 Bf5 12.Bd3 Bg4 13.Rab1 Qd7 14.a3 f6 15.ef6 Bf6 16.Ne2 Rae8 (16...Rae8 17.c4 Nf5 18.cd5 Qd5+=).

6.e3 Ne7 7.Bb5 c6 8.Ba4 Ng6 9.0-0 Nd7 10.d4 0-0 11.c3 Ba5 12.Bc2 Bc7 13.Nbd2 Nge5? (13...Bb6!?=) 14.Ne5 (14.de5!? h6 15.c4+/–) 14...Ne5+/– 15.de5 Be5? (15...Qg5 16.Nf3 Qe3 17.Kh1+/–) 16.Nf3 (16.Bh7!? Kh7 17.Qh5 Kg8 18.Qe5 Qe7+–) 16...Bf6 17.e4 (17.Rb1!?+/–) 17...de4 (better is 17...Qb6!? 18.Rf2 Qb2+=) 18.Be4+= Qa5 Attacking the isolated pawn on c3 19.Qc2 Rfd8 (19...Qh5!?+/–) 20.Bh7+– Kh8 21.Be4 Bc4 22.Rfd1 (better is 22.Rf2+–) 22...Rd7?? (better is 22...Rd1 23.Rd1 Qb6 24.Nd4 Ba2+–) 23.Rd7 Re8 (23...Qa6 24.Nd4+–) 24.Rad1 (24.Rb7 Qa6 25.Rb4 Bd5+–) 24...Qh5 24...Qb6 25.Kh1 Ba2 26.Nd4+–) 25.Qf2 (25.Rb7 Qc5 26.Kh1 Ba2+–) 25...g5 (25...Re4 26.Rb7 Re2 27.Qg3+–) 26.Qg3 (better is 26.Re1 b5+–) 26...g4 (26...Re4 27.Rb7 g4+–) 27.Nd4 (better is 27.Qf4 Kg7 28.R1d6+–) 27...Re4 (27...Be5 28.Nf5 Bg3 29.Ng3+– (29.hg3? Re4 30.Nd6 Qc5 31.Kh2 Re2 32.Nc4 Qf2–+)) 28.Qb8 (28.Rb7 Be5 29.Ra7 Bg3 30.hg3 Qd5 31.Ra8 Kh7–+) 28...Kg7 29.Rd8 (29.Rb7 Be5 30.Nf5 Qf5 31.Qa7 Qf4–+) 29...g3?? (29...Bd8 30.Qc8 Double attack (30.Qc8 Decoy)) 30.Rg8 (30.Qg3 Rg4 31.Qf2 Bd8 32.Nf5 Kh7 33.Rd8 Qg5+–) 30...Kh6? (30...Kh7 31.Nf3 gh2 32.Kh1 b5+–) 31.hg3 Qg4 32.Rg4+– Rg4 33.Nf3 Rg3 34.Kf2 Rg4 35.Qf8 Kg6 36.Rh1 Kf5 37.Qc8 Be6 38.Qc7 Rf4 39.Rh5 Ke4 40.Qa5 Bd5 41.Qb4 Kd3 42.Rd5! Kc2 43.Rd2 Kb1 44.Qb3 Rf3 45.gf3 b5 46.Qc2 Ka2 47.Bc1 Ka1 48.Qb2 1–0. Fournier,Frederic (1810) – ReyDemente, Active (2/1), 2005.

5.Nf3 Ne7

6.a3 Bc5 7.e3 0-0 8.Be2 Bb6 9.0-0 Nbc6 10.d4 f6 11.ef6 Rf6 12.c4 Nf5 13.Qd2 Qe8 14.cd5 Na5 15.e4 Qe4 16.Bd3 Qd5 17.Nc3 Nd4 18.Kh1 (18.Nd5 Nf3 19.Kh1 Nd2 20.Nf6 gf6 21.Rf6 Bg4-/+) 18...Qd7 (Better is 18...Qh5!? 19.Nd4 Bd4 20.Bh7 Kh7 21.Qd4 Nc6=+) 19.Ne4+= Ndb3?? (Better is 19...Rf3 20.gf3 c5+=) 20.Nf6+– gf6 21.Qf4 Qd6 22.Qh6 Na1 23.Qh7 Kf8 24.Bg6 Qe7 25.Qh8# (< 25.Ba1 Qh7 26.Bh7 Kg7=+) 1–0. Marre – kitket, zagraj.pl, 2003.

6.Nc3 0-0 (withdrawal) 0–1. Hoffmann,KD – Pommerel,Wim, corr SOK–91–73, 1991.

6.e3 0-0 7.Bd3 Nbc6 8.a3 Ba5 9.0-0 Ng6 10.c4 Bg4=+ 11.Qc2 dc4= 12.Bg6 hg6 13.Qc4 Be6 14.Qf4 Qd3 15.Qh4 Qc4 16.d4 Qd3?? 17.Ng5+– Qe3 18.Kh1 (18.Kh1 Rfe8 19.Qh7 Kf8 20.Ne6 Re6 21.Qh8 Ke7 22.Qa8+–) 1–0. pcmvr (2560) – ppost (2120), net–chess.com, 2006.

6.e3 0-0 7.Be2 Bg4 8.0-0 c5 9.a3 Ba5 10.Ne1 Be2 11.Qe2 Nbc6 12.Qh5 Qb6 13.Ra2 Rad8 14.Nf3 h6 Black is in command 15.d3 Ng6 16.e6 Nce7 17.ef7 Rf7 18.Nfd2 Rf1 19.Nf1 Rf8 20.Qe2 Qe6 21.Nbd2 Nf4 22.Qe1 c4 23.Bd4 cd3 24.cd3 Nf5 25.Qa1 Nd4 26.ef4 Rf4 27.Kh1 Qe2 28.Qb1 Bd2 29.Nd2 Rf2 30.Qg1 Nb3 31.Ne4 Qa2 32.Nf2 Qa3 33.Nh3 Qc1 34.Qc1 Nc1 35.Nf4 Kf7 36.Nd5 Nd3 37.Nc3 a6 38.Ne2 b5 39.Nd4 b4 40.Nb3 Ke6 41.Kg1 Kd5 (41...Kd5 42.Kf1 Kc4 43.Nd2 Kc3–+) 0–1. Loots – Rosner,Dirk, corr KMG–47, 1999.

6.e3 0-0 7.Be2 Bg4 8.0-0 c5 9.Ng5 Be2 10.Qe2 h6 11.Nf3 Nbc6 12.d4 Ba5 13.dc5 Bb4 14.Bd4 Rc8 15.Nbd2 Ng6 16.Nb3 Re8 17.Qb5 Qc7 18.a3 Ba5 19.Rad1 a6 20.Qa4 Rcd8 21.Rd3 Nge7 22.Rfd1 Rc8 23.Ba1 Rcd8 24.Qg4 White gets in control 24...Rf8 25.e6 f6 26.c4 dc4 27.Qc4 Rd3 28.Rd3 b5 29.Qg4 Qc8 30.Rd7 Bd8 31.Nbd4 Kh7 32.Bc3 Re8?? 33.Nc6 Qc6 34.Bf6! gf6 35.Qf5 Kg8+/– 36.Qf6 Rf8 37.Rd8! Rd8 38.Qe7 Kh8?? 39.Qd8+– (39.Qd8 Kg7 40.Qe7 Kg8 41.Qf7 Kh8 42.e7 a5 43.Ne5 Qg2 44.Kg2 b4 45.e8Q#) 1–0. Plock,Joerg – Rosner,Dirk, corr KMG_47, 1999.

6.e3 0-0 7.Be2 Bg4 8.0-0 Ng6 9.d4 Nd7 10.a3 Be7 11.c4 dc4 12.Bc4 c5 13.Nc3 cd4 14.ed4 Nde5 15.de5 Qb6 16.Kh1 Qb2 17.Qe1 Bf3-/+ 18.Rf3 Ne5 19.Rf2 Bh4 20.Rb2 Be1 21.Re1 Nc4 22.Rb7 Rfb8 23.Rb8 Rb8 24.a4 f6 25.Kg1 Kf7 26.Nd5 Ne5 27.Rc1 Rb7 28.h3 Rd7 29.Rc7 Rc7 30.Nc7 Ke7 31.Kf2 Kd7 32.Nd5 Kd6 33.Nc3 a5 34.Ke3 Kc5 (34...Kc5 35.Nb5 Kb4–+) 0–1. Stummerer,Alfred – Benassi,Aspasio, corr KMG–59, 2003.

6.e6 f6 7.c3 Bd6 8.c4 Be6 9.cd5 Bd5 10.Nc3 Bf7 11.e4 0-0 12.d4 c5 13.d5 Nd7 14.Qc2 f5 15.Bb5 fe4 16.Ne4 Bg6 17.Qc3 Nf6 18.Nf6 Rf6 19.0-0 a6 20.Bd3 Qc7 21.Ng5? Bh2–+ 22.Kh1 Rf1 23.Rf1 Be5 24.Qb3 c4 25.Bc4 Bd6 26.Bg7 Nf5 27.Be5 b5 28.Bd3 Qe7 29.Bd6 Qg5 30.Bf5 Bf5 31.Qg3 Qg3 32.Bg3 ½–½. Benassi,Aspasio – Rosner,Dirk, corr KMG–44, 1999.

4.fe5 f6

5.ef6 gf6 6.c3 Ba5 7.a4 (7.e4 h5+=) 7...a6 8.Na3 (8.e4 h5+=) 8...Bd7 (8...Nc6 9.Nc4=) 9.Nc4 Nc6 10.g3 (10.e4 Qe7 11.Qh5 Qf7 12.Qf7 Kf7+=) 10...Qe7= 11.Bg2 0-0-0 (better 11...Be6 12.Na5 Na5=) 12.Bc6 (better 12.d4 Bf5 13.Bc6 bc6 14.Na5+=) 12...Bc6-/+ 13.Na5? (better 13.Nf3 Bf3 14.Rf1-/+) 13...Qd7?? (better 13...Bh1 14.c4 Qe4-+) 14.Nc6+- Qc6 15.Nf3 Ne7 16.Qb3 Rhe8 (16...Rde8 17.c4+-) 17.Rb1 (17.Qe6!? Kb8 18.Qf6 Ng6+-) 17...Ng6 18.Ba3 (18.c4 Re6+-) 18...Ne5 (better 18...Qf3! 19.Qb7 Qb7 20.Rb7 Kb7-+) 19.d4?? (better 19.0-0 Nf3 20.ef3+- (20.Rf3?! Re2 21.Rf2 Rf2 22.Qe6 Kb8 23.Kf2 Re8+-)) 19...Nf3-+ 20.Kf2 Nd2 21.Qb2? (better 21.d5!? Qc3 22.Qb7 (22.Qc3? Ne4 23.Kf3 Nc3-+) 22...Kd7 23.Qc6 Qc6 24.dc6 Kc6 25.Rhc1 Kd7 26.Rb7-/+) 21...Nb1 22.Rb1 Re6 (better 22...Re4 23.Qb3-+) 23.d5? (23.Qb3 Rde8 24.Re1-+) 23...Qd7 (better 23...Qd5 24.Qb3 Qf5 25.Kg1 Re2 26.Qb7 Kd7-+) 24.Qb7 1-0. Agiant (1645) - bFCI17, lichess.org, 2019.

5.ef6 Nf6!? 6.e3 Qe7=+.

5.a3 Ba5

6.ed6 Qd6 7.Nf3 Nc6 8.Nc3 Bf5 9.e3 0-0-0 10.Be2 Nge7 11.0-0 a6 12.Qc1 Rhe8 13.Bc4 h6 14.d3 Ng6 15.Nd2 Re3 16.Rf5 Qd4 17.Ne2 Qb6 18.d4 Nd4 19.Bd4= Rd4 20.Nd4 Qd4 21.Rf2 Bd2 22.Qf1 Re5 23.Rd1= Qf2 24.Kf2 Rf5 25.Ke2 Rf1 26.Kf1 Bf4 ½–½. Sternik,Ryszard – Stanitz,Antal, corr KMG–34, 1996.

6.ed6 Qd6 7.Nf3 Bg4 8.e3 Nc6 9.Be2 Nge7 10.0-0 0-0 11.Nd4 Be2 12.Qe2 a6 13.Qg4 (13.Qg4 Nd4 14.Qd4= Rad8 15.Qc4 Rf7=; 13.Qc4 Rf7= 14.Nb3 Re8 15.Qh4 Ng6=; 13.Qd3 Kh8 14.Rf4 Bb6 15.Qc4 Nd4=+). Kallab,Klaus Juergen – Dilling,Ralf, corr KMG–04, 1988.

5.ed6 Qd6

6.c3 Ba5 7.Na3 Nc6 8.e3 Be6 9.Nf3 0-0-0 (9...Nge7 10.Qa4=) 10.Nc4+= Bc4 11.Bc4 Nh6 12.0-0 Ne5 13.Ne5 Qe5 14.Re1 Qe4 15.d4 g6 16.Bd3 Qh4 17.g3 Qg5 18.e4 Rhe8 (18...Ng4 19.h4 Qh5 20.e5+–) 19.Bc1+– Qh5 20.Qh5 gh5 21.Bh6 Bc3 22.Be3 Ba1 23.Ra1 Rg8 (23...f5 24.e5 Re5 25.de5 Rd3 26.Re1+–) 24.Kf2 h4 25.gh4 Rg4 26.e5 Rh4 27.Bf5 Kb8 28.ef6 Rh2 (28...Rh5 29.Be6 Rf8+–) 29.Kg3 Re2 (29...Rh5 30.Rf1 Rf8 31.Be6+–) 30.Bh6 1–0. the_caboose (2280) – awnatari (1740), gameknot.com, 2014.

6.e4 Nc6 7.c3 Bc5 8.Qa4?? Bb6?? 9.Nf3 Bg4 ½–½. Ratledge,Shawn – Giese,Guido, corr KMG–03, 1988.

5.ed6 Bd6

6.e3 Bf5 7.Bd3 Bd3=+ 8.cd3 Nc6 9.Nf3 Qd7 10.0-0 0-0-0 11.Nc3 Bb4 12.d4 g5 13.d5+= Nce7 14.e4 h5 15.Qb3 Bc5 16.Kh1 c6? 17.Ng5! fg5 18.Na4 Rh6 19.Nc5 Qc7 20.Be5 Qb6 21.Qa3 cd5 22.Rab1 Qc6 23.Qa7 b6 24.Qb8 1–0. pcmvr (1700) – amtrack (1920), net–chess.com, 2006.

6.Nf3 Bg4. Dilling/Bedbur.

4.fe5 Qh4

5.g3 Qg5 6.Nf3 Qg6 idea Nc6. Meybohm.

5.g3 Qe4

6.Nf3 d5 7.a3 Ba5 8.Nc3 Bc3 9.Bc3+– (9.dc3?! Ne7=+).

6.Nf3 d5 7.Nc3 Bc3 8.Bc3 (8.dc3?! Nc6 9.Bg2 Nge7= (worse 9...Ne5 10.c4 Bh3 11.Bh3 Nf3 12.Kf1+=)) 8...Ne7 9.e3 Bg4 (9...Nbc6 10.Bd3 Qg4 11.0-0+–) 10.Bg2 (10.Be2 Nbc6 11.0-0 h6+–) 10...Nbc6+= 11.0-0 Ng6? e5 becomes the focus of attention (better 11...0-0-0+=) 12.Qb1+– 0-0-0?? (better 12...Qc4 13.Qb7 0-0+–) 13.Nd4 Nd4 (13...Qe5 14.Nc6 Qe6 15.Nd8 Rd8 16.Bg7+–) 14.Bd4 (14.Bd4 Qf5 15.Rf5 Bf5 16.Qb3+–) 1–0. pierred – ndriana, net–chess.com, 2017.

6.Nf3 d5 7.Bd4?? Bg4-/+ 8.c3 (better 8.Bg2 Bf3 9.Bf3 Qd4 10.c3 Qe5 11.d4–+) 8...Be7?? (better 8...Bf3 9.Rg1 Ba5–+) 9.Bg2 Qg6 10.d3 (10.Qb3 Nc6 11.Qd5 Nh6+=) 10...c5 (10...Nc6 11.Nbd2=) 11.Be3 (11.Bf2!?+=) 11...Nc6= 12.h3? (12.Nbd2 Nh6=) 12...Bd7?? (12...Bf3 13.Bf3 Qg3 14.Bf2 Qe5 15.Nd2–+) 13.d4?? (13.Bf4 Nh6 14.0-0 0-0=) 13...c4?? (better 13...Qg3 14.Kf1 Nh6–+) 14.g4 (14.Bf4 Nd8 15.h4 h5=+) 14...h5 15.Nbd2? (better 15.g5 h4 16.Nbd2=) 15...hg4–+ 16.hg4 Rh1 17.Bh1 Qg4 18.Nf1 (18.Kf2 f5 19.Nf1 f4–+) 18...Nh6?? (18...Qh3 19.N1h2–+) 19.a4?? (better 19.Bh6 gh6 20.Ne3–+) 19...Nf5–+ 20.Bf2 (20.Bg1 Na5 21.Ra2 0-0-0–+) 20...Qh3 21.Rb1 (21.N1h2 g5–+) 21...b6 (better 21...Qh1 22.Rb7 Be6 23.Qb1–+) 22.Qd2 (22.N3h2 Qc3 23.Qd2–+) 22...Qh1 23.Ng5 (23.Rb5 Be6 24.Qf4 0-0-0–+) 23...Qh5 (better 23...Nh4!? 24.Bg3 Bg4 25.Rb2–+) 24.Nf3 Na5 25.Qf4 Ba4 26.Ng3 (26.Rb2 0-0-0–+) 26...Ng3 27.Bg3 (27.Qg3 Qh7 28.Ra1–+) 27...Qh1 28.Kf2 Qb1 29.Qg4 Qe4 (29...Qg6!? 30.Qg6 fg6 31.e4 de4 32.Nd2–+) 30.Qg7 Bd1 31.Ng1 0-0-0 (31...Kd7 32.Ke1 Rf8 33.Kf2–+) 32.Qh6 Qf5 (better 32...Kb7 33.Qf4 Qg6 34.Nf3–+) 33.Bf4 Rg8 34.Nf3 Qg4 (34...Rg4 35.Bg3 Re4 36.Qd2 Re2 37.Qe2 Be2 38.Ke2 Nb3 39.Nh2 Nc1 40.Ke1 Bg5 41.Nf1 Qf3 42.Ne3 Qe2) 35.Qh2 Bh4 36.Qh4 Qg2 37.Ke3 (37.Ke1 Qe2) 37…Qe2 0–1. valerypavlovich – ndriana, net–chess.com, 2017.

6.Nf3 d5 7.Bg2 Qg6 (7...Ne7 8.Nc3 Qc4 9.0-0+=) 8.0-0 (8.c4 dc4 9.Qa4 Nc6+–) 8...c6 (8...Ne7 9.c3 Ba5 10.c4 dc4 11.Na3+=) 9.d3 (better 9.Nh4!? Qh6 10.c4 dc4 11.Qc2+–) 9...Ne7+– 10.a3 (10.c3 Ba5+–) 10...Ba5+= 11.Nbd2 (11.d4 Bg4+=) 11...Nf5= 12.Nb3 (better 12.c4!? 0-0 13.Qc1=) 12...Ne3-/+ 13.Qc1 Bb6 14.Bd4 (14.Rf2 Ng4 15.Nbd4 Nf2 16.Kf2 0-0-/+) 14...Nf1 15.Kf1 (15.Qf1 0-0-/+) 15...Bc7 (15...0-0 16.Qe3-/+) 16.Qe3 (16.Nh4 Qh6 17.Qh6 gh6-/+) 16...b6 (16...Nd7 17.Re1-/+ (17.Ba7? b6–+)) 17.Kg1 (17.Nh4 Qe6 18.Nf3 0-0-/+) 17...Bb7 (17...0-0!? 18.Bc3 c5-/+) 18.Nh4 Qe6 19.Rf1 Nd7 Pawn e5, live or die! 20.Nf5 0-0 (better 20...0-0-0 21.Ng7 Qg6=+) 21.Bb2?? (21.Qg5 g6 22.Bh3+–) 21...Be5–+ (21...Ne5? 22.Qg5 Ng6 23.Ng7+–) 22.Be5 (better 22.Bh3!? Kh8 23.Nbd4–+) 22...Qe5 (22...Ne5?! 23.Nbd4 Qf6 24.Ng7-/+) 23.Qe5 (23.Qf4 Qf4 (23...Qe2 24.Qc7 Bc8 25.Qc6-/+) 24.gf4 Nf6–+) 23...Ne5 24.Ne7 (24.e4 Rad8–+) 24...Kh8 25.Nd4 (25.Nf5 Rad8–+) 25...Rfe8 26.Nef5 f6 (26...Rad8 27.Ne3–+) 27.e4 (27.Nd6 Re7–+) 27...de4 28.Be4 (28.Nd6 Red8 29.N4f5 Bc8 30.Ne4 Bf5 31.Rf5 Rd4–+) 28...Rad8 29.Nb3 (29.Nb5 cb5 30.Bb7 g6–+) 29...Ba8 (29...g6 30.Nfd4 Kg7 31.h3–+) 30.a4 (30.Ne3 c5 31.Ba8 Ra8–+) 30...c5 (30...g6 31.Nfd4–+) 31.Ba8 Ra8 32.a5 (32.Nd6 Red8 33.Nb5 c4 34.dc4 Nc4–+) 32...Nc6 33.ab6 (33.Kf2 Re5 34.Nd6 Re6–+) 33...ab6 34.Nd2 (34.d4–+) 34...Re2 35.Rf2 Rae8 (better 35...Rf2!? 36.Kf2 Ra2 37.Ne3–+) 36.Kf1 (36.Ne4 Rf2 37.Kf2 Ra8–+) 36...Re1 (36...Rf2 37.Kf2 Ra8 38.Ne3–+) 37.Kg2 Nb4 (37...R8e2 38.Nf3 Rf2 39.Kf2–+) 38.Nd6 (38.Ne4 Re6 39.h3 g6–+) 38...R8e6 (38...R8e2 39.N6c4 Nc2 40.Nb6–+) 39.N6e4 (39.N2e4 Rc1 40.c3 Nd3–+) 39...Nc2 40.Nf3 (40.Nc4 Ne3 41.Ne3 Re3–+) 40...Ne3 41.Kh3 Rd1 42.Nfg5 Re7 (42...Re8 43.Nd6 Ra8 44.Ne6 Rd3 45.Nb5–+) 43.Ra2 Re8 44.Ne6 (44.Nf7 Kg8 45.Nfd6 Rd8–+) 44...Rd3 45.Ra7 (45.Nc7 Rc8 46.Ne6 c4–+) 45...Nf5 (better 45...Rd5 46.Kh4–+) 46.Kg4 (46.Nc7 Rd7 47.g4 Nh6 48.Ne8 Ra7–+) 46...Ne7 (46...Nh6 47.Kf4 Re6 48.Ra8 Ng8 49.Nf2–+) 47.h4 (47.Kh3–+) 47...f5 48.Kf4 (48.Kh3 fe4 49.Nf4 Rb3–+) 48…fe4 (48...fe4 49.Ke4 Rg3–+) 0–1. vhilts – ndriana, net–chess.com, 2017.

6.Nf3 de5

7.Na3 Bc5 8.Nb5 Bd6 9.Bg2 Qc6 10.a4 =+.

7.Na3 Nc6 8.Nb5 Ba5 9.Bg2 Be6 10.a4 -/+.

7.Na3 Nc6 8.Bg2 Ba3 9.Ba3 Nd4 10.d3 -/+.

7.Na3 Nc6 8.Bg2 Be6 9.0-0 Bc5 10.e3 -/+.

7.Na3 Ne7 8.Nb5 Qc6 9.c4 Nd7 10.Ne5 -/+.

7.Na3 Ne7 8.Nb5 Nd5 9.c3 Ba5 10.Bg2 -/+.

7.Na3 Ne7 8.Bg2 Bc5 9.Nb5 Qc6 10.c4 a6 11.Nc3 f6 12.Qb3 Nd7 13.e3 Nb6 14.Kf2 e4 15.Ne1 Nc4 16.Ne4 Nb2 -/+.

7.a4 Nc6 8.Nc3 Bc3 9.Bc3 Nd4 10.Bd4 ed4 11.Bg2 -/+.

7.a4 Nc6 8.Bg2 Nd4 9.Bd4 ed4 10.c3 dc3 11.Nc3 Bc3 12.dc3 Nf6 13.Qd3 Qe7 14.0-0 0-0 15.Nd4 c5 16.Nf5 Bf5 -/+.

7.a4 Nd7 8.Nc3 Qc6 9.Bg2 Nb6 10.Rf1 Nc4 11.Qc1 –+.

7.a4 Nd7 8.Bg2 Qc6 9.0-0 Qe6 10.d4 ed4 11.Nd4 -/+.

7.c3 Bd6 8.Ba3 Nf6 9.Bg2 Qg4 10.Bd6 -/+.

7.c3 Bd6 8.Bg2 Nf6 9.0-0 Qg4 10.c4 Nc6 11.d4 ed4 12.Nd4 Bc5 13.e3 Ne5 14.Qb3 c6 15.Nd2 0-0 16.N4f3 Ned7 -/+.

7.Nc3 Bc3 8.Bc3 Nc6 9.Bg2 Nf6 10.0-0 Qd5 11.Rb1 Ne4 12.Ba1 =+.

7.Rg1 Nc6 8.Bg2 Qc4 9.Rf1 Bd6 10.d3 -/+.

7.Rg1 Nd7 8.Bg2 Qc4 9.Rf1 Bd6 10.d4 -/+.

7.Rg1 f6 8.a3 Bc5 9.Nc3 Qg6 10.e3 Ne7 11.Bd3 Qh5 12.Be4 Nbc6 13.d4 ed4 14.ed4 Bb6 15.Qe2 Bg4 16.Nd5 Ba5 -/+.

7.Rg1 f6 8.a3 Bd6 9.Nc3 Qg6 10.Bg2 -/+.

7.Rg1 f6 8.Nc3 Bc3 9.Bc3 Nc6 10.Bg2 -/+.

7.Bg2 Nc6 8.0-0= Bc5 9.e3 Bg4 10.Nc3 Qg6-/+ 11.Ne2 Rd8 12.d4 Nge7 13.Qc1 Bf3–+ 14.Bf3 ed4 15.ed4 Nd4 16.Nd4 Rd4 17.Bd4 Bd4 18.Kh1 Ba1 19.Qa1 0-0 20.Bb7 Rb8 21.Qb1 Nc8 22.c3 Qb1–+ 23.Rb1 Nd6 24.Be4 Rb1 25.Bb1 Kf8 26.Kg2 Ke7 27.Kf3 Ke6 28.Ke3 Ke5 29.Bd3 f5 30.Kf3 h5 31.h3 Ne4 32.c4 g5 33.Be4 fe4 (33...fe4 34.Ke3 c5–+) 0–1. Hasler,Ulrich – Fischer,Ronald, CiF, 2000.

7.Bg2 Nf6 8.0-0 Bc5= 9.e3 Qb4 10.Be5+= Qb6 11.Nc3 Nbd7 12.Rb1 Qe6 13.Nb5+/– Bb6 14.Nc7 Bc7 15.Bc7 0-0 16.a3+– Qc4 17.Ba5 Re8 18.Bc3 Rb8 19.Nd4 Ne4 20.Be4 Re4+/– 21.Nf5 Qe6? 22.d3 Re3 23.Ne3 b6?? 24.Qf3+– (24.Qf3 Bb7 25.Qf4+–) 1–0. Cuno – Dreke, Magdeburg, 1989.

7.Bg2 Nf6 8.Be5+= Ng4 9.c3 Ne5-/+ 10.Qa4?? Bd7–+ 11.cb4 Ba4 (11...Ba4 12.Nc3 Nf3 13.Bf3 Qb4–+) 0–1. Hasler,Ulrich – Valverde,Mario, CiF, 2002.

7.a3 Bd6

8.Nc3 Qc4 9.e4 Qc5 10.d4 ed4 11.Nb5 Nc6 12.Nd6 cd6 13.Nd4 Nf6 14.Nb5 =.

8.Nc3 Qc6 9.e3 Qb6 10.Nb5 Bg4 11.Be2 Nd7 12.Rb1 Ngf6 13.Bc3 Qc6 14.Nd6 -/+.

8.Nc3 Qf5 9.Bg2 Nc6 10.Nb5 Nf6 11.c4 Qd7 12.Rc1 0-0 13.Qb3 Rd8 14.Nd6 =+.

8.Nc3 Qg4 9.Nb5 Nc6 10.d4 Bf5 11.Ne5 Be5 12.de5 Rc8 13.Bg2 Be4 14.Be4 =+.

8.Nc3 Qg6 9.Nb5 Bd7 10.Nd6 cd6 11.Bg2 Nc6 12.c4 Rc8 13.0-0 b6 14.d3 -/+.

8.d3 Qc6 9.Nbd2 Be6 10.e4 Nd7 11.d4 Bg4 12.Be2 Ngf6 13.Ne5 Be2 14.Qe2 =+.

8.d3 Qd5 9.Bg2 Nf6 10.0-0 Qc5 11.d4 Qb6 12.Bc3 Be6 13.Ng5 Nd5 14.Qd3 -/+.

8.d3 Qe3 9.Qd2 Qd2 10.Nbd2 f6 11.Ne4 Be7 12.Bg2 Na6 13.c4 c6 14.d4 -/+.

8.d3 Qf5 9.Bg2 Nf6 10.Nbd2 Nc6 11.Nc4 0-0 12.Nd6 cd6 13.c4 Qh5 14.0-0 -/+.

8.d4 Nc6 9.Nbd2 Qg6 10.d5 Nce7 11.e4 f6 12.Be2 Rb8 13.Rb1 Qh6 14.Nc4 -/+.

8.d4 ed4 9.Qd4 Qd4 10.Nd4 Be5 11.Ra2 Nd7 12.Bg2 Ne7 13.Nb5 Kd8 14.0-0 -/+.

8.d4 Nd7 9.Nbd2 Qg6 10.de5 Be7 11.Bg2 Nc5 12.Bd4 Bg4 13.Qb1 Qa6 14.0-0 =+.

8.d4 Ne7 9.Nbd2 Qc6 10.de5 Bc5 11.Nb3 Be3 12.Qd3 Qh6 13.Bc1 Bc1 14.Rc1 -/+.

8.d4 Bf5 9.Nbd2 Qc6 10.c4 Nd7 11.Bg2 Bg4 12.Qb3 0-0-0 13.0-0 Qa6 14.Ng5 =.

8.e3 Nc6 9.Nc3 Qg6 10.Bd3 Qh5 11.Ne4 Bg4 12.Be2 Qg6 13.d3 Qh6 14.Nd6 -/+.

8.e3 Nd7 9.Nc3 Qg4 10.Be2 Qe6 11.Nb5 Ngf6 12.Nd6 Qd6 13.d4 e4 14.Nh4 -/+.

8.e3 Be6 9.Nc3 Qg6 10.Bd3 Qh5 11.Ne4 Nc6 12.Be2 Qg6 13.Bd3 Bg4 14.Nf2 =+.

8.e3 Nf6 9.Nc3 Qg6 10.Nb5 Bg4 11.Bg2 0-0 12.Nd6 cd6 13.0-0 Nbd7 14.d3 -/+.

8.e3 Bg4 9.Be2 Nf6 10.Nc3 Qg6 11.Nh4 Be2 12.Qe2 Qg5 13.Qb5 Nbd7 14.e4 -/+.

8.Rg1 Nc6 9.Nc3 Qg4 10.h3 Qg6 11.Nh4 Qh6 12.Bg2 Nf6 13.Rb1 0-0 14.e3 -/+.

8.Rg1 Nd7 9.Nc3 Qc6 10.Bg2 Ngf6 11.Rf1 0-0 12.Nh4 Qb6 13.Rb1 Qa5 14.Nf5 -/+.

8.Rg1 Bf5 9.e3 Nc6 10.Bd3 Qg4 11.Bb5 f6 12.Nc3 Nge7 13.Rf1 Rd8 14.Be2 -/+.

8.Rg1 Nf6 9.Bg2 Qf5 10.Rf1 Qh5 11.c4 Nc6 12.Nc3 Be6 13.Qb3 0-0-0 14.Nh4 -/+.

8.Rg1 Bg4 9.Bg2 Qc6 10.Be5 Bf3 11.Bg7 Bg2 12.Bh8 Nd7 13.Nc3 Nh6 14.Nb5 -/+.

8.Bg2 Nc6 9.Nc3 Qg4 10.Nb5 Nge7 11.0-0 Be6 12.d3 Rc8 13.Nd6 cd6 14.c4 -/+.

8.Bg2 Nd7 9.Nc3 Qc6 10.e3 Ngf6 11.0-0 Qc4 12.d3 Qa6 13.Nd2 Rb8 14.Nce4 =+.

8.Bg2 Qf5 9.0-0 Qh5 10.d4 Nc6 11.Ne5 Ne5 12.de5 Bc5 13.Bd4 Qe5 14.e3 =+.

8.Bg2 f6 9.Nc3 Qg4 10.Nb5 Bf5 11.d3 Nc6 12.c4 Rd8 13.Nh4 Bc8 14.Bc6 =+.

8.Bg2 Qc6

9.d4 Qb5 10.Qc1 e4 11.Nc3 Qa5 12.Nd2 f5 13.g4 fg4 14.Nc4 =.

9.d4 Ne7 10.0-0 Qb6 11.Bc3 Nbc6 12.a4 Nf5 13.a5 Qb5 14.Na3 –+.

9.d4 Ne7 10.0-0 Qb6 11.Bc3 Nbc6 12.Nbd2 Nd5 13.Nc4 Qa6 14.Qd3 =+.

9.d4 Ne7 10.0-0 Qb6 11.Bc3 Nbc6 12.Nbd2 Nd5 13.Nc4 Qb5 14.Qd3 Nc3 15.Qc3 0-0 16.e3 ed4 =+.

9.d4 Ne7 10.de5 Bc5 11.Nbd2 Nf5 12.Nh4 Bf2 13.Kf2 Qb6 14.Ke1 -/+.

9.e3 Bg4 10.0-0 Qb6 11.Qc1 Nc6 12.Nc3 Nf6 13.Ng5 h6 14.Nge4 =+.

7.Nc3 Qc6

8.a3 Ba5 9.e3 Nd7 10.Bg2 Qa6 11.Ne4 f6 12.Rb1 -/+.

8.a3 Bd6 9.e3 Bd7 10.Bg2 Nf6 11.0-0 Qb6 12.Rb1 =+.

8.e3 a6 9.Bg2 Nf6 10.0-0 Qd6 11.a3 Ba5 12.Ng5 =+.

8.e3 Bd7 9.Bg2 Nf6 10.0-0 Qd6 11.Ne5 Qe5 12.Rb1 =+.

8.e3 Nd7 9.Bg2 Ngf6 10.0-0 Qd6 11.a3 Bc3 12.Bc3 =+.

8.e3 Nd7 9.Bg2 Ngf6 10.0-0 Qd6 11.d4 ed4 12.ed4 0-0 13.Qd3 Rd8 14.Rae1 c5 15.a3 Ba5 16.Re2 Nb6 =+.

8.Bg2 Bc5 9.e3 Nf6 10.0-0 Qe6 11.d4 Bb6 12.Ne5 +=.

8.Bg2 Bd6 9.e3 Nf6 10.0-0 Qb6 11.Rb1 Nc6 12.Ng5 =+.

8.Bg2 Nd7 9.0-0 Ngf6 10.e3 Qd6 11.d4 ed4 12.ed4 =+.

8.Bg2 Nf6 9.e3 Qe6 10.0-0 c6 11.Rb1 Na6 12.Ng5 -/+.

7.Be5 f6

8.Bb2 Nc6 9.Bg2 Bf5 10.c3 Bf8 11.0-0 Bc5 12.e3 Qg4 13.Nd4 Qd1 14.Rd1 Bd7 15.Nc6+= Bc6 16.Bc6 bc6 17.Na3 h5 18.Nc4 h4 19.g4 h3= 20.Kf2 Nh6 21.Kg3 f5 22.e4 (22.g5!? Nf7 23.g6 Bd6 24.Nd6 Nd6 25.d3+=) ½–½. Woschkat,Karl Heinz (1680) – Portune,Frank R (2050), CP.1997.S.00004, 1998.

8.Bb2 Ne7 9.Nc3 Bc3=+ 10.Bc3 Nd5 11.Bb2 Ne3 12.de3 Qb4 13.Kf2 Qb2 14.Bg2 Qb6 15.Qd4 0-0 16.Rab1 Qe6 17.Nh4 c6-/+ 18.Be4 g6 19.Bd3 Kg7 20.Bc4 Qe7 21.Rbd1 Nd7 22.Nf3 Ne5 23.h3 c5 24.Qc3 Nc4 25.Qc4 Bf5 26.g4 Be4 27.Rd2 Rad8 28.Rhd1 Rd2 29.Rd2 Re8 30.Qa4 Bc6 31.Qa3 b5 32.Rd1 b4 33.Qc1 a5 34.c3 h6 35.cb4 ab4 36.Nd2?? Qe3 37.Kf1 Qe2 38.Kg1 Qg2 0–1. Welti,Manfred – Sternik,Ryszard, EM KMG–65, 2005.

8.Bc3 Bd6 9.Bg2 Bg4?? (9...Nc6 10.0-0 Qg4 11.Bb2=) 10.0-0 (10.Nh4!? Be2 11.Be4 Bd1 12.Bb7 Bc2 13.Ba8 Bd3+–) 10...Nc6?? (10...Bc5 11.Kh1 Qe6 12.d4=) 11.e3?? (better is 11.Nd4! Qd4 12.Bd4 Nd4 13.Nc3+–) 11...0-0-0 12.a4 Qe6 13.Na3 Ne5 14.Nb5+= Nf3 15.Bf3+/– Bf3 16.Qf3 a6 17.Nd4 Qd7 18.Rab1 c6 19.Nf5 Bb8 20.Rb2 Ne7 21.Ne7 Qe7 22.Qf5 Rd7 23.Rfb1+– g6 24.Qh3 b5 25.ab5 ab5 26.Ra1 Kb7?? 27.Qg2 Re8?? 28.Rb5 Kc7 29.Ba5 Kc8 30.Rbb1 Qe4+– 31.Qe4 Re4+/– 32.Bc3 f5 33.Ra8 Rb7 34.Rb7 Kb7 35.Ra1 Be5 36.Be5 Re5 37.Rb1 Kc7 38.Kf2 Rc5 39.c3 Rd5 40.Ke2 c5 41.Ra1 Kb7 42.d4 cd4 43.ed4 g5 44.Kd3 h5 45.Re1 Kc6 46.c4 Rd6 47.Re5 Rf6 48.d5 Kc5 49.Re8 f4 50.gf4 Rf4 51.Re4?? Rf3= 52.Re3 Rf4 53.Re4 Rf3 54.Re3 Rf4 55.Re4 ½–½. Fournier,Frederic (1680) – firecheck (2025), Active, 2007.

8.Bc3 Bg4 9.Bg2 Bc5?? (better is 9...Nc6=) 10.Nh4+– Qe6 11.e3 (better is 11.Bb7 g5 12.d4 (12.Ba8?! gh4 13.gh4 Qf5+–) 12...Bd4 13.Bd4+– (13.Ba8?! Bc3 14.Nc3 gh4+–)) 11...Nc6 (better is 11...Bd1 12.Bb7 Bc2 13.Ba8 Be3 14.de3 Qe3 15.Kf1 c6–+) 12.Qc1 0-0-0 13.0-0 Nge7 14.Bf3 Bf3 15.Nf3 Nd5 16.d4 Bb6 17.Bd2 Nde7 18.c4= Qe4 19.Nc3 Qd3 20.c5 Ba5 21.Qb2 Bc3 22.Bc3 Nd5 23.e4?? Qe3 24.Rf2 Nc3 25.Re1 Nd1! (25...Nd1 26.Rd1 Qe4-/+) 0–1. Fournier,Frederic (2130) – VIVOV (2185), Active (1/0), 2002.

8.Nc3 Bc3 9.Bc3 Nc6 10.Bg2 Qc4 11.0-0 Bf5 (11...Nge7!?=) 12.e3 Bg4 13.Qb1 Nge7 (13...Bf3 14.Bf3 Rb8 15.Qb3+/–) 14.Nd4 (better is 14.Qb7 0-0 15.Qb3+– (worse is 15.Qc7 Nd5 16.Qd6 Rfd8+/–)) 14...Nd5?? (better is 14...Bc8+/–) 15.Qb7+– 0-0 16.Nc6 (16.Bd5 Qd5 17.Nc6 Qd7+–) 16...Kh8 (16...Nc3 17.dc3 Kh8+–) 17.Na5 black resigned. (17.Na5 Rab8 18.Bd5+–) 1–0. antagonista (2335) – acaudron (2275), net–chess.com, 2012.

8.Nc3 Bc3 9.Bc3 Bg4 10.Bg2 Nc6 11.0-0 0-0-0? (11...Qe6 12.Rb1 Rb8 13.Ng5+=) 12.d3?? (better is 12.Ne5! Qe2 13.Ng4 Qd1 14.Rad1+–) 12...Qe3= 13.Kh1 Nd4?? The backward pawn on e2 becomes a target (better is 13...Re8=) 14.Nd4 Rd4 15.Bd4 Qd4 16.e4?? (better is 16.c3 Qd7 17.Rb1+–) 16...Bd1–+ 17.Rfd1 Ne7 18.Rab1 Nc6 19.a3 (19.Bh3 Kb8 20.Be6 Qc3–+) 19...Rd8 (19...Qc3!? 20.Bh3 Kb8 21.Bg2–+) 20.Rdc1 Re8 0–1. Fournier,Frederic – WindTeller, Partie evaluee, 5m + 0s, 2009.

8.Nc3 Bc3 9.Bc3 Bg4 10.Bg2 Qe6? 11.Nd4+– Qb6?? (11...Qa6 12.Rb1 Nc6 13.Rb7 Nge7 14.Rc7 Nd4 15.Bd4 Qd6+–) 12.Rb1 Qa6 (12...Qd6 13.Bb7 Ne7 14.Ba8+–) 13.Bb7 (13.Bb7 Qd6 14.Ba8+–) 1–0. b4_player – story, casual, 2013.

8.Bc7 Na6 9.a3 Bc5 10.Ba5 Qa4 11.Bc3 Bf5 12.d3 Rd8 13.e3 Bg4 14.Bg2 Ne7 15.d4 0-0 16.0-0 Nf5 17.Qe2 +=.

8.Bc7 Qc6 9.Bb8 Rb8 10.Bg2 Be6 11.0-0 Bd5 12.e3 Bc5 13.Re1 Ne7 14.Nc3 0-0 15.Nd5 Qd5 16.c3 Kh8 17.Qb3 +/–.

8.Bc7 Nc6 9.c3 Bf8 10.h3 g5 11.g4 h5 12.gh5 Rh5 13.d3 Qh7 14.Bg3 g4 15.Nfd2 gh3 16.e4 f5 17.Qf3 =.

8.Bc7 Be6 9.Bg2 Qc4 10.Bf4 Bc5 11.d4 Bb6 12.c3 Ne7 13.Nfd2 Qc8 14.Ne4 Bc7 15.Nc5 Bd5 16.e4 Bf7 17.e5 +–.

8.Bc7 Qe7 9.Bb8 Rb8 10.c3 Bc5 11.e3 Bd7 12.Bg2 Nh6 13.Nd4 Bg4 14.Qb3 Bd4 15.cd4 Qd7 16.0-0 Be6 17.d5 +/–.

8.Bc7 Ne7 9.c3 Na6 10.Bf4 Bc5 11.d4 g5 12.Nbd2 Qc6 13.dc5 gf4 14.gf4 Nc5 15.e3 Nf5 16.Qb1 Ne3 17.Bb5 =.

8.Bc7 Bf5 9.c3 Bc5 10.d4 Na6 11.Bf4 g5 12.Bg2 Qe7 13.Ng5 fg5 14.Be5 0-0-0 15.Bh8 Nh6 16.Be5 Ng4 17.Bh3 +–.

8.Bc7 Bg4 9.Bg2+/– Nc6 10.Nh4 (better is 10.c3!? Qe7 11.cb4 Qc7 12.a3+/–) 10...Qe7= 11.Bf4 g5 12.h3 Be2 (12...Be6 13.c3 Bc5-/+ (worse is 13...gh4 14.cb4 Nb4 15.Nc3+=)) 13.Qe2+/– Qe2 14.Ke2 gf4 15.gf4 Nd4 16.Kd1 Rd8 (better is 16...Bd6!?+/–) 17.c3+– Bc5 18.Bb7 (18.cd4?! Bd4 19.Re1 Kf7=) 18...Ne7 19.a4 (19.Re1!? Kf7+–) 19...Nb3 20.Ra2 Rg8 (20...Bd6 21.d4+–) 21.Rb2 Na5 22.Ba6 Rg3 (22...Nd5+–) 23.Rb5 Bb6 24.Rh5 Rg7 25.Re1 Kf8 26.d4 Nd5 27.Bd3?? (better is 27.Nf5 Rc7 28.Re4+–) 27...Nf4+= 28.Rf5 (28.Bh7 Nh5 29.Ng6 Rg6 30.Bg6-/+) 28...Nd3-/+ 29.Rf6 Kg8 30.Re2 (30.Ref1 Nb2 31.Kc2 Na4-/+) 30...Rf8 (better is 30...Rg1 31.Kd2 Nb3 (31...Rb1?! 32.Kd3 Rd1 33.Kc2 Bd4 34.cd4 R1d4 35.Nf5 Rc4 36.Kb1+=) 32.Kd3 Nc1 (32...Rb1 33.Rg2 Kh8 34.Kc2 Rc1 35.Kb3 Rc3 36.Kc3 Bd4 37.Kc4 Bf6 38.Nf5+=) 33.Kd2 Ne2 34.Ke2 Rb1–+) 31.Rf8-/+ Kf8 32.Rd2? (better is 32.Nf5!? Rg1 33.Kc2-/+) 32...Rg1–+ 33.Kc2 (33.Ke2 Nf4 34.Kf3 Nh3 35.Rb2–+) 33...Ne1 (33...Ne1 34.Kb2 Nc4 35.Kb3 Nd2 36.Nd2 Rg3–+) 0–1. Valpa – Cioran, playchess.de, 2002.

7.Be5 Nf6

8.c3 Be7= 9.Bc7 Nc6 10.d3 Qe6 11.Bf4 0-0 12.e4 Nd5 13.Bd2 Nb6 14.Qb3 Qg6 15.Be3 Be6 16.Qb5 f5 17.Nbd2 fe4 18.de4 Rf3 19.Nf3 Qe4 Black gets strong play along the open e–file 20.Kf2 Rf8 21.Bf4 Bd5 22.Bg2 Bc4 23.Qb2 Bc5 24.Nd4 Rf4 25.gf4 Qf4 26.Ke1 Qe3 27.Ne2 Qf2 (27...Qf2 28.Kd1 Na4–+) 0–1. Zimmermann,Joerg (1690) – Milde,Lars (1970), TT–04.44 TSC, 2002.

8.Bf6 gf6 9.Bg2 Nc6 10.c3 Bd6 11.0-0 Qe7 12.e4 Be6 13.d4 Bc4 14.Rf2 0-0-0 15.Nbd2 Ba6 16.Nh4 Qd7 17.Rf6 Ba3 18.Nb3 Bc4 19.Nf5 Kb8 20.Rb1 Ka8 21.Nd2 Ba6 22.e5 Bc5 23.Rc6! bc6 24.Qa4 Bb7 25.dc5 (25...Rde8 26.Nd4+–) 1–0. Woschkat,Karl_Heinz – Fischer,Ronald, DESC, 2000.

8.Bf6+= gf6 9.Bg2 Nc6 10.Nh4 Qc4 11.c3 Bd6 12.0-0 Bg4 13.Nf5+/– 0-0-0 14.Ne3 Bc5=+ 15.d4 Nd4 16.Nc4 Nc2 17.Kh1 Rd1 18.Rd1 Na1 19.Nba3 Be6 20.Ra1 b5 21.Nd6 cd6 22.Nb5 Kd7 23.a4 Rb8 24.Nd4 Rb2 25.e3 a5 26.Be4 h5 27.Kg1 f5 28.Bf3 Ke7 29.Bh5 Bd5 30.Nf5 Kf6 31.Rd1 Be4 32.Nd4 Rg2 33.Kf1 Rh2 34.Be2 Rh1 35.Kf2 ½–½. Rosner,Dirk – Meisinger,Peter, Tigerschachclub, 2001.

8.Bf6 gf6 9.Bg2 Nc6 10.Nh4 Qe5 11.c3+/– Bd6 12.d4 Qe3 13.Qd2 Qg5 14.0-0 0-0 15.e4 Re8 16.Qd3 Bf8 17.Nd2 Bh6 18.Nc4 b5 19.Nb2 a6 20.e5 Re6+/– 21.Rae1 fe5 22.Bc6 Rc6 23.Qf3 Bb7 24.Re5 f5 25.Nf5 Kh8 26.Nh6 Qh6 27.Re7 Qg5 28.Qe4 Qh6 29.Re8 (29.Re8 Re8 30.Qe8 Kg7 31.Qf8 Kg6 32.Qf7 Kg5 33.Qf5#) 1–0. Von Saleski,Marcel – Vetter,Udo, DESC, 2001.

8.Bc7 Na6

9.c3 =.

9.Be5?? Bg4–+ 10.Kf2 Bf3 11.ef3 Qe5 –+.

9.Be5?? Bg4–+ 10.Bf6 Bf3 11.Bg7 Rg8 12.Rg1 Rg7 13.c3 Bd6 14.Qb3 0-0-0 15.d3? Qe3 (15...Qe3 16.Nd2 Be2 (< 16...Qg1 17.Nf3 Qe3 18.Nd4–+) 17.Be2 Qg1 18.Nf1 Re8–+) 0–1. Giese,Guido – Landgraf,Manfred, corr KMG–03, 1988.

9.Be5?? Bg4–+ 10.Bf6 Bf3 11.Bg7 Rg8 12.Rg1 Rg7 13.c3 Bd6 14.Bh3 –+.

9.Be5?? Bg4–+ 10.Bf6 Bf3 11.Bg7 Rg8 12.Rg1 Rg7 13.Nc3? Qe5 14.Qc1 Bc3 15.dc3 Qc3 16.Kf2 Bc6 17.Qe3 Qe3 18.Ke3 Nb4 19.Kd2 Rd8 20.Kc3 Nd5 21.Kb2 (21.Kd2 Nf6 22.Ke1 Ng4–+) 21...Ne3 22.Rc1 Rg4 23.Kb1 (23.a3–+) 23...Rb4 24.Ka1 Nc2! 25.Rc2 Rd1 26.Rc1 Rc1 0–1. Hasler,Ulrich – Cottarelli,Franco, corr ICCF TT/6/02/3, 2002.

7.Be5 Bg4

8.Bg2?? Bf3–+ 9.Bf3 Qe5 10.c3 Nd7?? 11.d4=+ Qa5 12.cb4 Qb4 13.Qd2 Qd2 14.Nd2 Rb8 15.0-0 Ngf6 16.e4 0-0 17.e5= Ne8 18.Rab1 c6 19.Bg2 Nc7 20.Nc4 Nb5 21.Rbd1 Nc3 22.Rd2 Nd5 23.Nd6 Ne3 24.Rb1 Ng2 25.Kg2 b5 26.a3 Rfd8= 27.Kg1 f6 28.ef6 Nf6-/+ 29.Nf5 Kf7 30.Rbd1 a5 31.Rb2 c5–+ 32.Rbd2 c4 33.Rc1 Nd5 34.Kf2 c3 35.Rdc2 b4 (35...b4 36.ab4 ab4–+) 0–1. Hasler,Ulrich – Mus,Roman, corr KMG–19, 1992.

8.Bg7 Bf3

9.Rg1 Bc5 10.d4 Bb4 11.Kf2 Bg4 12.Qd3 Nf6 13.Bh8 Qe6 14.Bf6 Qf6 15.Kg2 Be7 16.Nc3 Be6 17.e3 Qh6 18.Rb1 Nc6 19.Rb7 Nd8 20.Rc7 a6 21.Qe4 Rb8 22.Ba6 Bd6 23.Ra7 Rb2 24.Bb5 Kf8 25.Ra8 Be7 26.Bd3 Kg7 27.Nd1 Rb4 28.a3 Rb6 29.Nf2 Qh5 30.g4 Qh4 31.g5 Qe4 32.Be4 Bc4 33.h4 h6 34.Ra4 Be2 1–0. Fritz 6 – Comet B25, 2002.

9.Rg1 Bc5 10.d4 Bb4 11.Kf2 Bg4 12.Qd3 Nf6 13.Bh8 Qe6 14.Bf6 Qf6 15.Kg2 Be7 16.Nc3 Be6 17.e3 Qh6 18.Rb1 Nc6 19.Rb7 Nd8 20.Rc7 a6 21.Qe4 Rb8 22.Ba6 Bd6 23.Ra7 Rb2 24.Bb5 Kf8 25.Ra8 Be7 26.Bd3 Kg7 27.Nd1 Rb6 28.Nf2 Qh5 29.Ra5 Qh6 30.d5 Rb4 31.c4 Rb2 32.de6 Ne6 1–0. Fritz 6 – Comet B25, 2002.

9.Rg1 Qe3

10.g4!?

10.Bh8 Bc6 11.Rh1 Bh1 12.c3 Qg1 13.Bd4 Qh2 14.Qa4 Nc6 15.cb4 Qg3 16.Bf2 Qf4 17.a3 -/+.

10.Bh8 Bc6 11.Rh1 Bh1 12.c3 Qg1 13.Bd4 Qh2 14.Qa4 Nc6 15.cb4 Qg3 16.Bf2 Qg4 17.a3 h5 18.Nc3 a6 19.e4 0-0-0 20.b5 ab5 21.Bb5 Nge7 22.d3 Kb8 23.Rb1 Qg7 24.Ne2 Qg6 25.Nf4 Qf6 26.Bc6 Nc6 27.Qb5 Kc8 28.Qb7 Kd7 29.Nd5 Qd6 30.Rb6 Re8 31.Rc6 Qc6 32.Nb6 Kd6 33.Bg3 Kc5 34.Na4 Qa4 35.Qc7 Kd4 36.Kd2 Qd1 37.Kd1 Kd3 1–0. Fritz 6 – Doctor 3.0, 2002.

10.Bh8? Be4! 11.c3 Qg1 12.Bd4 Qh1 13.cb4 Nc6 14.Bc3 Bg2 15.Kf2 Nh6 16.e4 Bh3 (17.Ke3 (17.Be2 Qh2 18.Kf3 Bg4 19.Ke3 Qg3 20.Bf3 0-0-0–+) 17...Ng4 18.Kf4 Nf2 19.Qe2 Qf1–+) 0–1. Plock,Joerg – Kucharkowski,Jens, email KMG–50, 2001.

10.Bh8 Be4 11.c3 Qg1 12.Bd4 Qh1 13.cb4 Nc6 14.Bc3 Qh2 15.d3 Qg3 16.Kd2 Nge7 17.Qe1 Qg5 18.Kc2 Bg6 19.Na3 Nd5 20.b5 Ne3 21.Kb1 Qc5 22.bc6 bc6 23.Nc2 Rb8 24.Kc1 Nf1 25.Bd4 Qg5 26.Kd1 c5 27.Bf2 c4 28.Qc3 Rd8 29.Nb4 cd3 30.Nd3 Ng3 31.Qc6 Kf8 32.Qc5 Qc5 33.Bc5 Ke8 34.Ba7 h5 35.Bf2 h4 36.Bg3 hg3 37.Kd2 Bd3 38.ed3 Kd7 39.a4 g2 40.Ke2 Rg8 41.Kf2 Rg4 42.a5 Kc6 43.Kg1 Kb7 44.a6 Ka7 45.Rc1 Kb6 46.Ra1 Rg8 47.d4 c6 48.a7 Kb7 49.Ra5 Ka8 50.Ra6 Rg6 51.Ra3 f5 52.Ra2 Rg4 53.Rg2 Ka7 54.Kh2 Rg2 55.Kg2 Kb6 56.Kf3 Kb5 57.Kf4 Kc4 58.Ke5 Kd3 59.Kf5 0–1. Fritz 6 – Fritz 5.32, 2002.

10.Bh8 Be4 11.c3 Qg1 12.Bd4 Qh1 13.cb4 Nc6 14.Bc3 Qh2 15.d3 Qg3 16.Kd2 Nge7 17.Qe1 Qg5 18.Kc2 Bg6 19.Na3 Nd5 20.e4 Nc3 21.Qc3 Qe5 22.Qe5 Ne5 23.Kc3 a5 24.b5 Rd8 25.Nc2 h5 26.Re1 Ke7 27.d4 Nf3 28.Re3 Ng5 29.Bg2 h4 30.a3 Rh8 31.e5 b6 32.Bh1 h3 33.Re2 h2 34.Kc4 Rh3 35.Ne3 Ke6 36.Bd5 Kd7 37.Bg2 h1Q 38.Bh1 Rh1 39.Rf2 Rh3 40.Re2 Bh5 41.Re1 Nf3 42.Rd1 Ng1 43.Rg1 Re3 44.Rg2 Be2 45.Re2 Re2 46.Kd3 Ra2 47.Kc3 Ra3 48.Kc2 Ke6 49.Kd2 0–1. Fritz 6 – Fritz 5.32, 2002.

10.Bh8 Be4 11.c3 Qg1 12.Bd4 Qh1 13.cb4 Nc6 14.Bc3 Qh2 15.d3 Qg3 16.Kd2 Nge7 17.Qe1 Qg5 18.Kc2 Bg6 19.e4 a5 20.ba5 Qb5 21.Kd2 Ra5 22.Qg3 Qg5 23.Qe3 Qe3 24.Ke3 Ra8 25.Bg2 h5 26.d4 Nd8 27.d5 f5 28.e5 h4 29.Nd2 h3 30.Bf3 Nf7 31.e6 Ng5 32.Bh1 Ra4 33.Bf6 f4 34.Kf2 Ne4 35.Ne4 Be4 36.Be4 Re4 37.Rg1 h2 38.Rg7 Re6 39.de6 h1Q 40.Re7 Kf8 41.Rf7 Ke8 42.Re7 Kf8 ½–½. Fritz 6 – Fritz 5.32, 2002.

10.Bh8 Be4 11.c3 Qg1 12.Bd4 Qh2 13.cb4 Bg2 14.Bg2 Qg2 15.Qb3 Nc6 16.Qe3 Nge7 17.Bc5 0-0-0 18.Qf2 Qh1 19.Qf1 Qf1 20.Kf1 Nf5 21.Kf2 b6 22.b5 bc5 23.bc6 h5 24.a4 Ne7 25.Ra3 Nc6 26.Rf3 Rd4 27.Rf7 Ra4 28.Rh7 Rb4 29.Nc3 a5 30.Rh5 Rc4 31.Rh4 Ne5 32.Rh7 Rd4 33.Rh5 Nd7 34.Ke3 Rb4 35.d3 a4 36.Rh8 Kb7 37.Rh1 Nb6 38.Rg1 a3 39.g4 Na4 40.Ne4 a2 41.Ra1 Rb2 42.g5 c6 43.g6 Nb6 44.g7 Nd5 45.Kf2 Ne7 46.Nd6 Kc7 47.Nc4 Rc2 48.Ke1 Kd7 49.Kd1 Rc3 50.Ra2 Ke6 51.Ra8 Kf6 52.Re8 Kg7 53.Re7 Kf6 54.Rb7 Ke6 55.Kd2 Rc4 56.dc4 Ke5 57.e3 Ke6 58.Rg7 Kd6 59.Rg6 Kd7 1–0. Fritz 6 – EXchess 3.11, 2002.

10.Bh8 Be4 11.c3 Qg1 12.Bd4 Qh2 13.cb4 Bg2 14.Bg2 Qg2 15.Qb3 Qh1 16.Kf2 Nc6 17.Qe3 Nge7 18.Bc5 0-0-0 19.Qf3 Qf3 20.Kf3 Nd4 21.Bd4 Rd4 22.b5 f5 23.d3 h5 24.Nc3 h4 25.gh4 Rh4 26.Rg1 Kd7 27.e3 Rh6 28.Rg7 Rh3 29.Kf2 Rh2 30.Kg3 Rh1 31.Kg2 Rh6 32.Nd5 Rg6 33.Rg6 Ng6 34.Kf3 c6 35.bc6 bc6 36.Nf4 Ne5 37.Ke2 a5 38.d4 Ng4 39.Nd3 Ke6 40.Nc5 Kd5 41.Kf3 Nh2 42.Kf4 Nf1 43.Nb7 a4 44.Nc5 a3 45.Nd7 Kc4 46.Ne5 Kb5 47.Nf7 Kc4 48.Nd6 Kc3 49.Nf5 Kb2 50.e4 Ka2 51.e5 Kb3 52.e6 a2 53.e7 a1Q 54.e8Q Qc1 55.Kg4 Nh2 56.Kh5 Nf3 57.Qe6 Qc4 58.Qe3 Qc3 59.Qe4 Nd2 60.Qe6 Qc4 61.Qe3 Qc3 62.Qe5 Nc4 63.Qe2 Nb2 64.Kg5 Nd3 65.Qd1 Kc4 66.Qa4 Nb4 67.Qa5 Nc2 68.Qa6 Kd5 69.Qa2 Ke4 70.Qe6 Kd3 71.d5 cd5 72.Qd5 Nd4 73.Nd6 Qd2 74.Kf6 Qh6 75.Ke7 Qh4 76.Ke8 Qg4 77.Qc4 Ke3 78.Qc3 Ke2 79.Qb2 Kf3 80.Qb7 Kg3 81.Qe7 Qf4 82.Kd7 Kf3 83.Qe1 Qg4 84.Kc7 Ne6 85.Kb7 Qg7 86.Ka6 Qe7 87.Qf1 Kg4 88.Qg2 Kf4 89.Qe4 Kg5 90.Qe5 Kg4 91.Qf5 Kh4 92.Qf2 Kg4 93.Qe2 Kf4 94.Qd2 Ke5 95.Nc4 Kf6 96.Qf2 Kg6 97.Qc2 Kg7 98.Qg2 Qg5 99.Qc6 Qg4 100.Nd6 Qe2 101.Ka5 Qd2 102.Ka4 Qa2 103.Kb4 Qb2 104.Ka4 Nd4 105.Qd7 Kf6 106.Qf7 Kg5 107.Qd5 Kf4 108.Qe4 Kg3 109.Qg6 Kf2 110.Qf7 Ke2 111.Qh5 Nf3 112.Qb5 Qb5 113.Kb5 Kd3 114.Kc5 Nd4 115.Nb7 Nb3 116.Kd5 Nd4 117.Nc5 Ke3 118.Ne4 Nf5 119.Ke5 Nd4 120.Nd6 Nf3 121.Kd5 Nd4 122.Ne8 Nf3 123.Nf6 Nd4 124.Kd6 Nf3 125.Kc5 Nd4 126.Nd7 Nb3 127.Kd5 Nd4 128.Ne5 Nf3 129.Nc4 Kd3 130.Nb2 Ke2 131.Na4 Kd3 132.Nc5 Kc3 133.Ne4 Kd3 134.Nd6 Nd4 135.Ke5 Nf3 136.Kf4 Nd4 137.Ne8 Ne6 138.Ke5 Nd4 139.Nc7 Nf3 140.Kd5 Nd4 141.Ne8 Nf3 142.Nf6 Nd4 143.Ng4 Nf3 144.Nh6 Nd2 145.Ng8 Ne4 1–0. Fritz 6 – EXchess 3.11, 2002.

10.Bh8? Be4! 11.Rg2 Bg2 12.Bg2 Qg1 13.Bf1 Qh2 14.Be5 Bd6 15.Bd6 cd6 16.e3 Qg3 17.Ke2 -/+.

10.Bh8? Be4! 11.Rh1? Qb6 12.c3 Bd6 13.Qa4 Bc6 14.Qg4 Ne7 15.e4 Qb2 16.c4 Qh8 17.Nc3 –+.

10.Bh8? Qg1? 11.ef3 Qh2 12.Be5? (12.Qe2 Qe2 13.Ke2) 12...Nc6 13.Bb5 0-0-0 14.Bc6 bc6 15.a3? (15.Qe2 Qe2 16.Ke2 Re8 17.d4 f6-/+) 15...Bd6 (16.Qe2 (16.Bd6 Re8 17.Kf1 Qh1–+) 16...Qg1 17.Qf1 Qf1 18.Kf1 Be5–+) 0–1. Wartig,Wolfgang – Kucharkowski,Jens, corr KMG–38, 1998.

10.c3 Qg1

11.Qa4? Nc6 12.ef3 0-0-0 13.cb4 Re8 14.Kd1 Qf1 –+.

11.Qa4? Nc6 12.ef3 0-0-0 13.Qb5 Nh6! 14.Bh6 Rhe8 15.Kd1 Re6 16.Bf4 a6 17.Qc4 b5.

11.Qa4? Nc6 12.ef3 0-0-0 13.Qb5 Nh6! 14.Bh8 Rh8 15.cb4 Nd4 16.Qd3 Re8 17.Kd1 Re2 18.Qe2 Ne2 19.Ke2 Qh2 20.Kd3 Qg3 -/+.

11.Qa4? Nc6 12.ef3 0-0-0 13.Bh8 Re8.

11.ef3 Qh2 12.Qe2 Qe2 13.Be2 Bd6 14.f4 Nd7 15.Bh8 f6 16.d4 0-0-0 17.Bg7+= Re8 18.Kf2 Re7 19.Bh8 h5 20.Bd3 Nh6 21.Bg6 Ng4 22.Kf1 Ne3 23.Kf2= Nd1 24.Kf1 c6 25.a4 Re3 26.Bh5 Nc3 27.Nc3 Rc3 28.Kf2 Rd3 29.Bg4 Be7 30.Rd1 Rd1 31.Bd1 Kd8 32.g4 Ke8 33.a5 Kf7 34.Bb3+= (34.Bb3 Kg6 35.Be6+=) 1–0. pcmvr (2560) – chesspal (2390), net–chess.com, 2006.

11.ef3 Qh2 12.Qe2 Qe2 13.Ke2 Bd6 14.f4 Nf6 15.Bh8 =.

11.ef3 Nc6!

12.Qe2 Nge7 13.Bh8+/– Kd7 14.cb4 Rh8 15.Nc3 Nb4 16.Qb5 Nbc6 17.Qb7 Qh2 18.Ne2 h5 19.Qb2 Rh6 20.0-0-0 h4 21.gh4 Rh4 22.f4 Qf2 23.Qg7 Qf3 24.Qc3 Qe4 25.a3 f5 26.Qg3 Qc4 27.Kb1 Rh1 28.Qf3 Rh6 29.Qc3 Qb5 30.Ka1 Rd6 31.Qg3 (better is 31.d4!?+=) 31...Qa4-/+ 32.Rb1 0–1. Sternik Ryszard (2030) – Fournier,Frederic (2095), KMG, 2005.

12.Qe2 Nge7!? 13.Bh8 Kd7 14.Bf6 Re8 15.Kd1 Nd5 16.Qd3 Kc8 17.Qd5 Qf1 18.Kc2 Re6!=+ 19.a3 (19.Qf5 Ba3 20.Kb3 Qc1-/+) 19...Rf6 20.ab4 Nb4! 21.cb4 Rc6 22.Kb3 Qd1 23.Ka3 Qc1 24.Ka4 Qc2 25.Ka3 Ra6.

12.Bh8 0-0-0?! 13.Qe2 +=.

12.cb4?! 0-0-0

13.Nc3 Nb4.

13.d3?! Re8 14.Kd2 Qf2 –+.

13.Qe2 Nb4?! 14.Na3 Nf6 15.Bh8 Rh8 16.0-0-0 Qd4.

13.Qe2 Nb4 14.Kd1 –+.

13.Qe2 Nd4! 14.Qc4 Nf3 15.Kd1 Nh2 16.Bh8 Nf1 –+.

13.Qe2 Nd4! 14.Qd3 Ne6 15.Qe3 Qe3 16.de3 Ng7.

13.Qe2 Nd4! 14.Qd3 Ne6 15.Qf5 Ne7 16.Qf7? Ng7 17.Qg7 Rhe8.

13.Qe2 Nd4! 14.Qd3 Ne6 15.Qf5 Ne7 16.Qh3 Rhe8 17.Nc3 Kb8 –+.

13.Qe2 Nd4! 14.Bd4?! Qd4 15.Nc3 Nf6 16.0-0-0 Qb4 –+.

12.Qe2 Kd7

13.Qd3 Bd6 14.Qf5 Ke8 15.Qe4 Nge7 16.Bh8 Qh2 =+.

13.Qd3 Bd6 14.Qf5 Ke8 15.Bh8 Qh2 16.g4 Nge7 17.Qe4 Kd7 18.Bf6 Re8 19.Kd1 Qh1 20.Qd3 Ng6 21.Kc2 Re6 22.g5 h6 23.Qc4 b5 24.Qb5 hg5 25.Bg7 Qh7 26.Bd4 Nf4 27.Kb2 Re8 28.Ba7 Re5 29.Qb7 Nd3 30.Bd3 Qd3 31.a4 Na5 32.Qb8 Nc4 33.Kb3 Re1 34.Qb5 c6 35.Qg5 Rb1 36.Rb1 Nd2 37.Qd2 Qd2 38.Bb6 c5 39.Rb2 c4 40.Kc4 Qb2 41.a5 Qe2 42.Kb3 Qf3 43.Kc2 0–1. Fritz 5.32 – Fritz 6, 2002.

13.Qd3 Bd6 14.Qf5 Ke8 15.Bh8 Qh2 16.g4 Nge7 17.Qe4 Qh4 18.Kd1 Kd7 19.Bg7 Rg8 20.Bd4 Qh1 21.Qe2 Nd4 22.cd4 Nc6 23.Qg2 Qg2 24.Bg2 Nd4 25.Nc3 h5 26.Ne2 Ne6 27.Rb1 b6 28.Bh3 h4 29.Ke1 c5 30.Kf2 c4 31.Rh1 Nc5 32.g5 Kd8 33.f4 Ne4 34.Kf3 Nd2 35.Kg4 Re8 36.Rh2 Re3 37.Nc3 Rd3 38.Nb5 Bb8 39.Rf2 Ne4 40.Re2 Ng3 41.Rc2 a6 42.Nc3 Bf4 43.Kf4 Rc3 44.Rd2 Rd3 45.Rd3 cd3 46.Ke3 Ne4 47.Bg2 Ng5 48.Kd3 h3 49.Ba8 f5 50.Bh1 Ke7 51.Ke2 Ne4 52.Kf3 Kf6 53.Kf4 b5 54.a3 a5 55.Ke3 b4 56.ab4 ab4 57.Bf3 b3 58.Kd3 0–1. Fritz 5.32 – Fritz 6, 2002.

13.Qd3 Bd6 14.Bh8?! Re8 15.Kd1 Nge7 =+.

13.Qd3 Bd6 14.Bh8=+ Re8 15.Kd1 Qh2 16.Qf5 Kd8 17.Bh3 unclear.

13.Qd3 Bd6 14.Bh8=+ Qh2 15.f4 Re8 16.Kd1 Nge7 17.Bf6 unclear.

13.Qg2 Qg2 14.Bg2 Nf6 15.Bh3 Ke7 16.Bh8 Rh8 17.cb4 Nd4!

12.Bh8?! Kd7

13.cb4? Re8 -/+.

12.Bh8?! Kd7 13.d4! Re8

14.Kd2 Qf2 15.Be2 Qe3 16.Ke1 Qg1.

14.Kd2 Qf2 15.Be2 f6! 16.cb4 Qe3 17.Ke1 Nd4 18.Kf1 Qe2 19.Qe2 Re2 20.Nc3 Rh2 -/+.

14.Kd2 Qf2 15.Be2 f6! 16.Qf1 Qe3 17.Kd1 Bc3 18.Nc3 Qc3 19.Rc1 Qd4 -/+.

14.Kd2 Qh2 15.Kc1 Qg3 16.d5! Re1 17.dc6 Kc6 18.cb4 Rd1 19.Kd1 Qf3 20.Be2 -/+.

14.Kd2 Qh2 15.Kc1 Qg3 16.Be5 Ne5 17.de5 Kc8 (17...Kc8 18.cb4 Qe5–+) 0–1. Figiel,Rafal – Solare,Juan, Orang–Utan Invitational, 2001.

14.Kd2 Qh2 15.Kd3? Nge7 –+.

14.Kd2 Qh2 15.Be2 Bd6 -/+.

14.Be5 Nd4! 15.f4 f6 16.cb4 fe5 17.Kd2 Qh2 18.Kc1 Qg3 –+.

7.Bg2 Bd6

8.0-0 Qb4 9.Ba3 Qb6 10.e3 Bg4 11.Bd6 cd6 12.Nc3 Nf6 13.Rb1 Qc7 14.Qe2 0-0 (14...Nc6 15.Qb5 Bc8 16.Ng5+=) 15.Qb5 Bc8 16.Qd3 e4 (16...Be6 17.Ng5 Bc4+=) 17.Ne4+/– Ne4 18.Qe4 Nc6 19.Ng5 g6 20.Qh4 h5 21.Bd5 Nd8 22.Ne4 Be6? (better is 22...Ne6+–) 23.Nf6 Kg7 24.Nh5! gh5 25.Qg5 (25.Qg5 Kh7 26.Rf6 Bd5 27.Rh6) 1–0. Fournier,Frederic (1980) – Doidefe (1910), echecsemail.com, 2004.

8.0-0 Qb4 9.Bc3 Qb6 10.d4 Ne7 11.Nbd2 Qc6 12.Bb2 e4 13.Ng5 f5 14.e3 Bb4 15.c3 Bc3 16.Rc1 Bd2 17.Rc6 Be3 18.Kh1 bc6 19.Qh5 g6 20.Qh6 Bg5 21.Qg5 Nd7 22.d5 Rg8 23.dc6 Nb8 24.Rc1 Nbc6 25.Be4 fe4 26.Qd5?? Nd5–+ (27.Rc6 Rf8–+) 0–1. Pleschke,Helmut – Woelfelschneider,Peter, 3. B4 Thementurnier, 2000.

8.0-0 Qb4 9.Bc3 Qb6 10.e3 Nc6 11.a4 Nf6 12.Na3 0-0 13.Nc4 Qc5 14.Nd6 cd6 15.Qb1 Re8 16.Ng5 d5 17.Qb5 Qd6 18.Qd3 h6 19.Rf6=+ Qf6 20.Qh7 Kf8 21.Rf1 Qg5 22.Bd5 Be6 23.Bc6 f6 24.Be8 Re8 25.Qe4 Qg4 26.Qe5 Qa4= 27.Qc7 Qe4 28.Rf4 Qc6 29.Qc6 bc6 30.Ra4 Bf5 31.Ra7 Bc2 32.Kf2 Bd3 33.Rc7 Be4 34.h4 h5 35.Ke2 Rd8 36.Bd4 Ra8 37.Ba7 Rd8 38.Bc5 Kg8 39.Bd4 Ra8 40.Re7 Bc2 41.e4 Rd8 42.Ke3 c5 43.Bc3 c4 44.Kf4 Rf8 45.Rc7 Bd3=+ 46.Rc5 Re8 47.e5 fe5 48.Be5 Rf8 49.Ke3 Rf5 50.Kd4 g5 51.Kd5 gh4 52.gh4 Rf8 53.Ke6 Re8 54.Kf6 Rf8 55.Ke6 Re8 56.Kf6 Rf8 ½–½. Luzuriaga,Norberto Horacio – Kucharkowski,Jens, corr KMG–53, 2002.

8.0-0 Qb4 9.Bc3 Qb6 10.Kh1 Nc6 11.d4 e4 12.Nfd2 f5 13.e3 h5 14.Bh3 Nce7 15.Nc4 Qc6 16.Nd6 Qd6 17.Be1 Qh6 18.Qe2 Nf6 19.Nd2 Ng4 20.Bg4 hg4–+ 21.c4 b6 22.Rf2 a5 23.Nf1 Ba6 24.Qc2 Qc6 25.Rc1 Rh3 26.d5 Qc5 27.Qb2 Bc4 28.Qg7 Qd5 29.Nd2 Qf7 30.Qd4 Ba2 31.Rc7 Qe6 32.Nf1 Bb3 33.Qg7 Rd8 34.Rb2 Rd7 35.Rd7 Kd7 36.Qd4 Ke8 37.Nd2 a4 38.Nb3 ab3 39.Qa4 Kf7 40.Rb3 Rh8 41.Rb1 Rc8 42.Qa7 Kg8 43.Kg1 Nd5 44.Rd1 Qc6 45.Qa2 Rd8 46.Bc3 b5 47.Ba1 b4 48.Qa7 Qd7 49.Qa5 Kf7 50.Bb2 b3 51.Rd4 Kg6 52.Rd2 ½–½. Pommerel,Wim – Kucharkowski,Jens, CiF, 2004.

8.Nc3 Qb4 9.Rb1 Nf6 10.0-0 0-0 11.Ba1 Qg4 12.Nb5 Nc6 13.d3 Qa4 14.Nd6 cd6 Black fights for the Initiative 15.Rb2 Qa5 16.e4 Ng4 17.Qe2 Qc5 18.Kh1 Ne3 19.Rfb1 Ng2 20.Kg2 b6 21.Rb5 Qa3 22.c4 Bg4 23.Bb2 Qa4 24.Rf1 Nb4 25.a3 Nc2 26.Kf2 f5 27.Kg1 Na3 28.Ba3 Qa3 29.ef5 Bf5 30.Ne1 a6 31.Rd5 Bh3 32.Rf2 Rf2 33.Kf2 Rf8 34.Ke3 Be6 35.Qc2 Qa1 36.Nf3 Bg4 37.Ne5 de5 (37...de5 38.Qd2 Qf1 39.Re5 Qg1 40.Qf2 Qf2 41.Ke4 Bf3#) 0–1. Bonetti,Shane – guest1281, ICC, 2002.

7.Bg2 f6

8.0-0 Qc4 9.d4=+ ed4 10.Nd4 Ne7 11.Qd3 Qd3-/+ 12.ed3 Bc5 13.Nd2=+ Nbc6 14.N2b3 Bb6 15.c4 Nd4 16.Bd4 c6 17.Rae1 Kf7 18.Bc5 Re8 19.a4 Bg4 20.Re4 Bd7 21.a5 Bc7 22.Rfe1 Ng6 23.Re8 Re8 24.Re8= Ke8 25.Ba7 Ne5 26.Bf1 Bf5 27.Nc5 Ba5=+ 28.Nb7 Bc7 29.d4 Nf3 30.Kg2 Nd2 31.Nc5 (31.Be2 Be6 32.Nc5 Bf7=) ½–½. Rosner,Dirk – Rushton,Darren, Tiger SC, 2001.

8.Nc3 Qg4 9.Nd5 Bd6 10.Ba3 Qe6 11.e4 -/+.

8.0-0 Qg4

9.Nc3 Bc5 10.e3 Ne7 =+.

9.Nc3 Ne7 10.Rb1 Nbc6 11.d3 Be6 12.a3 Bc5 13.Kh1 Nf5 14.Ne4 Ne3–+ 15.Qe1 Bb6 16.Qc1 Nf1 17.Qf1 0-0 18.Nh4 f5 19.Nd2 e4 20.Qe1 Ba5 21.de4 fe4 22.Qd1 Rad8 23.Bc1 e3 24.Nhf3 ed2 25.Nd2 Nd4 26.Bf3 Nf3 27.ef3 Bd5 (27...Bd5 28.Rb3 Bd2–+) 0–1. Hasler,Ulrich (1850) – Miller,James (1945), IECG, 2000.

9.d3 Ne7 10.e4 Nbc6 11.Nbd2 Bc5 Black fights for the Initiative 12.Kh1 Be6 13.Nh4 Qd1–+ 14.Rfd1 Nb4 15.Nb3 Be3 16.c4 0-0-0 17.Bf1 Nc2 18.Rab1 Bg4 19.Ng2 Bf3 20.Nd2 Bd1 21.Rd1 h5 22.Be2 Nd4 23.Ne3 Ne2 24.Nf3 c5 25.Kg2 Nc6 26.Kf2 Ned4 27.Nd5 Nf3 28.Kf3 Kd7 29.Rd2 Nd4 30.Bd4 cd4 31.Rb2 Rb8 32.Nb4 Kd6 33.Nc2 b6 34.Nb4 Rbf8 35.Nc2 f5 (35...f5 36.Na3 Kd7–+) 0–1. Hasler,Ulrich – Spiegel,Ulrich, corr SOK–90–65, 1990.

9.d4 e4 10.Nfd2 f5 11.c4 Be7 12.Qa4 (12.Nb3 Bg5-/+) 12...c6-/+ 13.Nc3 h5 ½–½. Woschkat,Karl_Heinz – Mehlhorn,Uwe, BFO–068, 2000.

9.e4 Nc6 10.c3 Bd6 11.Qb3 Nge7 (11...Qe4?! 12.Nd4 Nd4 13.cd4= (13.Be4? Nb3 14.ab3 Ne7–+)) 12.d4 Qe4 13.Nbd2 Qg4 14.Rae1 Rb8 15.de5 fe5 16.Nd4 Bd7 17.Nc4 Kd8 (17...ed4?! 18.Nd6 cd6 19.Bc6=) 18.Nc6 Nc6 19.Nd6 cd6 20.Bc6 Bc6 21.Ba3 Qa4 (Better is 21...Qh3 22.Rf2 d5 23.Re5 Kc8=) 22.Bd6 Qb3 23.ab3 Rc8 24.Be5 Rg8 25.c4 Be8 26.Rf2 Kd7 27.Rd2 Kc6 28.b4 b5 29.c5 ½–½. Fournier,Frederic – Plock,Joerg, corr or02–025, 2002.

9.e4 Nc6 10.c3 Be7 11.Na3 (withdraw, 1–0). Andersson,Lars H – Holwell,Jim, corr 3GMM–03 1994–95.

8.0-0 Qg6

9.a3 Bd6 10.Nc3 Nc6 11.Nh4 Qh5 12.Bf3 Bg4 13.Nf5 Bf8 14.Bg4 Qg4 15.e4 Qd1 16.Rad1 0-0-0 -/+.

9.a3 Be7 10.d4 ed4 11.Nd4 Bc5 12.Nc3 Ne7 13.Ne4 Bb6 14.c4 Na6 15.Qc2 Nf5 16.Qd3 Bd4 =+.

9.c3 Bd6 10.Qa4 c6 11.Ba3 Be7 12.d4 Nd7 13.de5 Ne5 14.Ne5 fe5 15.Qa5 Qe6 16.Qc7 e4 17.Nd2 Nf6 18.Qe7 Qe7 19.Be7 Ke7 20.Ne4 Rd8 21.Rab1 Ne4 22.Be4 Rd2 23.Bh7 Ra2 24.Bg8 Re2 25.Rf7 Kd6 26.Rg7 b5 27.h4 a5 28.h5 Be6 29.Be6 Re6 30.g4 Kd5 31.g5 Kc4 32.h6 Kc3 33.h7 Rh8 34.g6 Kc2 35.Rf1 Ree8 36.Rc7 a4 37.Rc6 Kd3 38.Rb6 Ra8 39.Rb5 a3 40.Ra1 Ke4 41.Ra2 Kf4 42.Rb3 Ke5 43.Raa3 Kf6 44.Ra8 Ra8 45.Rg3 Kg7 46.Kg2 Rf8 47.Rg4 Rf6 48.Rg5 Rf8 49.Kh2 Rf6 50.Rg4 Rf3 51.Rg1 Rf6 52.Kh3 Rf4 53.Rg2 Rf8 54.Kh4 Rf6 55.Rg5 Rf4 56.Rg4 Rf6 57.Kh3 Rf3 58.Kh2 Rf5 59.Rg3 Re5 60.Kg2 Rf5 61.Kg1 Rc5 62.Rg4 Rf5 63.Kh1 Rf1 64.Rg1 Rf8 65.Rg2 Rf1 66.Kh2 Rf5 67.Kg1 Rf8 68.Rg5 Rf6 69.Kh2 Rf3 70.Rg2 Rf5 71.Kg3 Rf8 72.Kh3 Rf4 73.Rg1 Re4 74.Rg4 Re8 75.Kh2 Re3 76.Rg1 Re6 77.Rg2 Rf6 78.Rg3 Rd6 79.Kg2 Rf6 80.Kh3 Rf4 81.Rg5 Rf8 82.Kg2 Rf6 83.Kg3 Ra6 84.Kf3 Ra3 85.Ke4 Ra4 86.Kf5 Ra5 87.Kf4 Ra4 88.Ke3 Ra3 89.Kd2 Rh3 90.Kc2 Rf3 91.Rg1 Rh3 92.Rg4 Ra3 93.Kb2 Rh3 94.Rg2 Rd3 ½–½. Comet B25 – Fritz 6, 2002.

9.c3 Bd6 10.Qa4 c6 11.Ba3 Be7 12.d4 Qe4 13.Rf2 Qg4 14.e4 ed4 15.Nd4 Nd7 16.Nd2 Ne5 17.Rb1 b5 18.Qa5 a6 19.Rf4 Qd7 20.Rh4 Ba3 21.Qa3 g5 22.Bh3 Qf7 23.Bc8 gh4 24.Be6 Qe7 25.Qb3 Nh6 26.gh4 Rd8 27.Rd1 c5 28.Bd5 cd4 29.cd4 Nd7 30.Qf3 Nf7 31.Nf1 Rg8 32.Kh1 Rg6 33.Ng3 Nd6 34.Rc1 b4 35.Qf1 a5 36.Rc6 Nf8 37.Qa6 Ne4 38.Be4 Rg3 39.hg3 Qe4 40.Kh2 Rd4 41.Rc8 Kd7 42.Kg1 Qe1 43.Kg2 Rd2 44.Qe2 Qe2 45.Kh3 Qe6 46.g4 Qe3 0–1. Comet B25 – Fritz 6, 2002.

9.c3 Be7 10.Na3 c6 11.d4 ed4 12.Qd4 Nh6 13.Qc4 Nf5 14.Rf2 Ne3 15.Qd4 Ng2 16.Kg2 Na6 17.Nh4 Qh5 18.Nc4 0-0 19.Ba3 Rd8 20.Qe3 Ba3 21.Na3 Nc5 22.h3 Re8 23.Qd4 Ne4 24.Rf3 Ng5 25.Re3 Bh3 26.Kg1 Be6 27.Qb4 b5 28.Nc2 a5 29.Qd6 Bd5 30.Qd7 Ne6 31.Rd1 Rad8 32.Qa7 g5 33.c4 bc4 34.Rd5 Rd5 35.Nf3 f5 36.Kf2 f4 37.Re4 0–1. Comet B25 – Fritz 6, 2002.

9.Nc3 Ne7 10.a3 Bc5 11.e3 0-0 12.d4 ed4 13.ed4 Rd8 14.Qe2 Bd6 15.Nb5 Nbc6 16.Qc4 Kh8 17.Rae1 Bg4 18.Nh4 Qh5 19.Nd6 cd6 20.h3 Bd7 21.Kh2 d5 22.Qa2 Re8 23.Bf3 Qf7 24.Ng2 Na5 25.Bc3 Nc4 26.Nf4 Bc6 27.Bg4 Rad8 28.Ne6 Rb8 29.Nc7 Red8 30.Ne6 Rg8 31.Bb4 Nc8 32.Nf4 Rd8 33.Ne6 Re8=+ ½–½. Armstrong,Alan – Wartig,Wolfgang, corr KMG–38, 1998.

9.Nh4 Qh5 10.Nf5 Bc5 11.Kh1 Qg4 12.Nc3 Na6 13.Rb1 c6 14.Be4 Be6 15.e3 Qd1 16.Rbd1 Bf8 17.d4 g6 18.Nh4 f5 19.Bg2 Bc4 20.Rf2 Nf6 21.de5 Ng4 22.Rf4 Be6 23.Rd2 g5 24.Ra4 Nc5 25.Nf3 Na4 26.Na4 Ba2 27.Nc3 Bc4 28.Rd4 Ne3 29.Ng5 Rd8 30.Rd8 Kd8 31.e6 Rg8 32.Nh7 Be7 33.Na4 Rg6 34.Be5 Nc2 35.Bh3 Be6 36.Bg2 Rh6 37.Nf8 Bf8 38.Nc3 Bb3 39.Bf4 Re6 40.h4 0–1. Doctor 3.0 – Fritz 6, 2002.

9.a3 Bc5

10.d4 ed4 11.Bd4 Na6 12.Nc3 Ne7 13.Bc5 Nc5 14.Nb5 Na6 15.c3 Qh5 16.Qb3 Qc5 =+.

10.d4 ed4 11.Bd4 Na6 12.Nc3 Ne7 13.Bc5 Nc5 14.Nd5 Nd5 15.Qd5 Qf5 16.e4 Qd5 =+.

10.e3 Nc6 11.d4 Bb6 12.de5 Be3 13.Kh1 f5 14.Nh4 Qg5 15.Bc6 bc6 16.Bd4 Bb7 =+.

10.e3 Nc6 11.d4 Bb6 12.de5 Be3 13.Kh1 f5 14.Nh4 Qg5 15.Bc6 bc6 16.Nf3 Qg4 =+.

10.e3 Nc6 11.d4 Bb6 12.de5 Bg4 13.Qd2 Qh6 14.ef6 Nf6 15.Nd4 0-0 16.Rf4 Nd4 =+.

10.e3 Nc6 11.d4 Bd6 12.c4 e4 13.Nh4 Qg5 14.Qb3 Nge7 15.Nd2 f5 16.c5 Bg3 =.

8.a3 Bc5

9.Nc3 Qc6 10.e3 Bg4 11.h3 Be6 =+.

9.Nc3 Qg4 10.d4 ed4 11.Nd5 Qd7 -/+.

9.Nc3 Qg4 10.e3 Nc6 11.d4 ed4 -/+.

9.Nc3 Qg6 10.d4 ed4 11.Nb5 Na6 -/+.

9.e3 Qc4 10.d4 ed4 11.Nd4 Qf7 =+.

9.e3 Nc6 10.0-0 Qg6 11.d4 Bb6 12.c4 Bg4 13.c5 Ba5 14.d5 e4 15.dc6 ef3 16.cb7 Rb8 +/–.

9.e3 Bg4 10.h3 Bc8 11.Nh4 Qc4 =+.

8.Nc3 Qc4

9.0-0 Nc6 10.e3 Bc3 11.Bc3 -/+.

9.0-0 Nc6 10.e3 Nge7 11.Ne4 Nd5 12.a3 Ba5 13.Ne1 f5 14.Ng5 0-0 15.d3 Qc5 16.d4 ed4 =+.

9.a3 Bc3 10.Bc3 Nc6 11.0-0 Nge7 12.e3 Nd5 13.Bb2 Be6 14.Rb1 0-0 15.d3 Qc5 16.d4 Qc4 =+.

9.a3 Bc3 10.Bc3 Nc6 11.Rb1 Nge7 12.Bb2 Qc5 13.d4 ed4 14.Nd4 Bg4 15.Nc6 Nc6 16.Qd3 Bf5 -/+.

9.a3 Bc5 10.d3 Qa6 11.d4 -/+.

9.a3 Bc5 10.e3 Nc6 11.d3 Qg4 12.Nd5 Bd6 13.Nd2 Qd1 14.Rd1 Nge7 15.Nc4 Nd5 16.Bd5 Ke7 -/+.

6.Nf3 Bg4

7.Bg2 d5 =.

7.Bg2 de5 8.0-0?? Qc6 9.Ne5 Qb6 (9...Qb5 10.Ng4 Bc5 11.d4 Qb2 12.dc5 Nc6+-) 10.Kh1+- Bf8 (better 10...Nh6 11.Ng4 Ng4+-) 11.Nf7 Qb2 12.Nc3 Nh6 (12...Bc8 13.Nh8 c6 14.e4+-) 13.Nh8 Nd7 (13...c6 14.Rb1 Qa3 15.Rb7+-) 14.Rb1 Qa3 15.Rb7 Bd6 (15...Rc8 16.h3 Bf5 17.g4+-) 16.Nb5 (better 16.Rb3 Rb8 17.Ra3 Ba3 18.d4+-) 16...0-0-0 (16...Qa6+-) 17.Na3 1-0. Ollecram (1660) - eragon87 (1775), Rated Classical game, lichess.org, 2013.

7.Bg2 de5 8.Nh4 Qe3? 9.Bb7 Nf6 10.Ba8 Ne4 11.Rf1 Nd2 (11...Nc5 12.Nc3 Bc3 13.Bc3+– (worse is 13.dc3 0-0+–)) 12.Nd2 0-0 13.Ng2 Qc5 14.c3! Ba5 (14...Bc3 15.Rc1 Decoy) 15.Ne4 Qb5 16.Rb1 Na6 (16...Nd7 17.Bd5 Be2 18.Ba3+–) 17.Bd5 Qe8 18.Ba3 (18.Qd3!? Bc8 19.Ng5 e4+–) 18...c5 19.Rb7 Bd7 (19...Nc7 20.Bc5 Nd5 21.Qd5+–) 20.Ra7 Ba4 21.Rff7 Rf7 22.Qa4! Qd8 (22...Qa4 23.Ra8 Mate attack) 23.Rf7 Kh8 24.Qd7 Qg8 (24...h6 25.Rg7 Bc3 26.Kd1 Qd7 27.Rg8 Kh7 28.Nf6) 25.Rg7 Bc3 (25...Qf7 26.Rf7 Bc3 27.Nc3 h6 28.Qd8) 26.Nc3 Qf7 27.Qf7 (27.Qf7 h6 28.Rh7; 27.Rf7 h6 28.Qd8) 1–0. Fournier,Frederic (1940) – Peralbo (1740), Active, 2005.

7.Bg2 de5? 8.Nh4+– Qf5?? 9.Nf5 (9.Nf5 Nd7 10.Ng7 Kf8 11.h3+–) 1–0. pierre – naqavad, internet, 2010.

7.Bg2 f6?? 8.Nh4+– Qe3 (8...Be2 9.Be4 Bd1 10.Bb7 Bc2 11.a3+– (< 11.Ba8 de5 12.Ke2 g5+–)) 9.Bb7 c6 (9...Qb6 10.Ba8 fe5 11.Nc3+–) 10.Ba8 g5 (10...Qe4 11.Rf1 Bh3+–) 11.ef6 Nf6 (11...Kf7 12.c3 Qe5 13.Rf1 gh4 14.d4+–) 12.Bf6 Rf8 13.c3 Bc3 (13...Qe4 14.Rf1 gh4+–) 14.Nc3 Qb6 15.Rb1 Qc5 16.Rb8 Kf7 17.Qb3 (17…d5 18.Qb7 Bd7 19.Qd7 Kf6 20.Qf5 Kg7 21.Rb7 Qe7 22.Re7 Rf7 23.Rf7 Kh6 24.Qh7) 1–0. marekt – Grobber, ChessWorld.net, 2004.

5.g3 Qh6

6.Nf3 =.

6.Bg2= de5 7.Be5 Ba5 8.Nf3 Nc6 9.Bf4 Qh5 10.0-0 Nf6 11.c4 Be6 12.Qb3= Bb6 13.e3 0-0-0 14.Na3 Ne4 15.Qc2 Qa5 16.Nb1= Bf5 17.Nh4 Ng3 18.Nf5 Nb4 19.Ne7? Kd7-/+ 20.Qd1 Nf1 21.Nd5 Nd5 22.cd5 Ne3 23.de3 Rhe8 24.Nd2 Re3 25.Kh1 Re7 26.Qg4 Ke8 27.Qg7 Rd5 28.Qg8 Kd7 29.Ne4 (29.Ne4 Bd4 30.Rd1+/–) 1–0. Milde,Lars (1970) – Baer,Werner (2000), TT–04.28 TSC, 2002.

6.Bg2 de5 7.Nf3 Nc6 8.Ne5= Ne5 9.Be5 c6 10.Nc3 Bh3 11.Bh3+= Qh3? 12.Bg7+– Qg2 13.Rf1 Qh2 14.Ne4 Nf6?? 15.Bf6 Rg8 16.Qb1 Bc5 17.Qb7 (17.Qb7 Qe2 18.Ke2 Rd8 19.Qc6 Kf8 20.Qc5 Rd6 21.Qd6 Ke8 22.Qe7#; 17.Nc5?! Qg3 18.Kd1 Qf2+–) 1–0. pierre – oors, internet, 2009.

4.Nf3 Nc6

5.a4 Qe7 6.e3-/+.

5.a4 Nf6 6.fe5 de5 7.Be5 (7.Ne5!? Ne5 8.Be5-/+) 7...Ne5-+ 8.Ne5 Qd4 9.Nd3 Qa1 10.Nb4 Qa4 11.Nd3 Qa1 (11...Bf5 12.e3-+) 12.e3 (12.Nc3 Qd1 13.Kd1 a5-+) 12...a5 13.Be2 (13.Nc5 a4 14.Bb5 c6 15.Ba4 Ra4 16.Na4 Qa4-+) 13...a4 14.0-0 a3 15.Nc3 Qd1 16.Nd1 (16.Rd1 Be6 17.Bf3-+) 16...a2 17.N1b2 ½-½. alaindubleu (1725) – Anonymous, lichess.org, 2016.

5.Nc3? Nf6-+ 6.e3 Bg4 (6...ef4 7.ef4 0-0 8.Be2-+) 7.h3 Be6 8.Be2 (8.fe5 Ne5 9.Rb1 0-0-/+) 8...0-0 (8...ef4 9.ef4 Nh5 10.f5 Bf5 11.0-0-+) 9.0-0 (9.fe5 de5 10.0-0 Bc3 11.Bc3 Ne4-/+) 9...h6 (9...ef4 10.ef4 Nh5 11.f5-/+) 10.d4 (10.fe5!? Ne5 11.a3 Bc3 12.Bc3-/+) 10...e4-+ 11.Nh2 Ba5 (11...Ne7 12.Ng4 Ng4 13.Bg4-+) 12.a3 (12.f5 Bd7-/+) 12...a6 13.d5 (better 13.f5 Bd5 14.Rb1-/+) 13...Nd5?? (better 13...Bc3 14.Bc3 Nd5-+) 14.Nd5+/- Ne7? (14...f5+/-) 15.Qd4?? (15.Ne7 Qe7 16.f5 Bb6+-) 15...f6? (15...Nf5 16.Qa4 c6= (worse 16...Bd5 17.Qa5 Ne3 18.Bg7+/-)) 16.Ne7 (16.Qe4 Bd5 17.Qd3 b5-/+) 16...Qe7 17.f5 (17.Qe4!? d5 18.Qd3+-) 17...Bf7+/- 18.Bc4 Bb6 19.Bf7 Qf7 20.Qd2 Rad8 21.Bd4 (21.Ng4 h5 22.Nf2 d5+/-) 21...c5 22.Bc3 d5 23.Ba5 Qc7 24.Bb6 Qb6 25.Rfb1 (25.Ng4 Qc6+/-) 25...Qc6 26.Qa5 b5 27.a4 b4 28.c3 c4? (better 28...bc3!? 29.Qc3 Rd6+/-) 29.cb4 (29.Rb4 Qc8+-) 29...c3 (29...Rd6 30.b5 ab5 31.Qb5+-) 30.b5 (better 30.Rc1 Qc4 31.b5+-) 30...Qc4? (30...Qc5 31.Nf1 (31.Qa6?! Rd6 32.Qa5 Qe3 33.Kh1 Qc5+/-) 31...Rd6 32.Ra2+-) 31.b6?? (better 31.Qa6 Rfe8 32.Qa7+-) 31...c2 (31...d4 32.ed4 c2 33.Rc1 Qd4 34.Kh1 Qa1 35.Ra1 Rd1 36.Qe1-+) 32.Rc1+- Qd3 (32...d4 33.Nf1+-) 33.Qe1 Rb8 34.Ra2 Rfc8 35.Nf1?? (better 35.Rb2+-) 35...Rb6+= 36.Nd2 (36.a5 Rb5+=) 36...Rbc6 (36...a5 37.Kh2=) 37.Kf2 (37.a5 Rc3 38.Kh2 R8c5=) 37...d4= 38.Qe2 (38.ed4 Rc3 (worse 38...Qd4 39.Qe3 Qd3 40.Ne4+/-) 39.Nf1 Qc4-+) 38...de3 (38...Qe2 39.Ke2 d3 40.Ke1=+) 39.Qe3= Qd5 (39...Rc3 40.Qd3 ed3 41.Ke3=) 40.Ra3 (40.Qb3 e3 41.Ke2 Rc4+/-) 40...Rd6 (40...Qf5!? 41.Ke2 Qd5=) 41.Ne4 (better 41.Ke1+=) 41...Re8?? (better 41...Qf5 42.Qf3 Qf3 43.Kf3 Rd1=) 42.Nd6 (better 42.Nf6 Rf6 43.Qe8 Rf8 44.Qe2 Qd4 45.Qe3 Rf5 46.Kg1 Qd1 47.Kh2 Qd6 48.Qg3 Qg3 49.Kg3 Rg5 50.Kh2+-) 42...Re3-+ 43.Re3 (43.Ke3 Qc5 44.Kd2 Qa3 45.Nc8-+) 43...Qd6 (better 43...Qd2 44.Kf3 Qc1 45.Re8 Kh7-+) 44.Rc2=+ Qd4 (44...Qf4 45.Rf3 Qa4 46.Rc8 Kh7 47.g4=+) 45.Kf3 Qa4 46.Rc8 Kh7 47.Ree8 Qb3?? (better 47...Qd1 48.Kf2 Qd2 49.Kg1 Qd4 50.Kh1 Qd1 51.Kh2 Qd6 52.Kh1 Qd1 53.Kh2 Qd6 54.Kh1 Qd1=) 48.Kf2+- Qd1 (48...Qb6 49.Kg3 Qd6 50.Kh4 g5 51.Kh5 g4+-) 49.Kg3 (49.Rh8) 49...Qd6?? (better 49...Qd3 50.Kf4 Qf1 51.Ke4 Qg2 52.Kf4 Qf1 53.Ke4 Qb1 54.Kf4 g5 55.fg6 Kg6 56.Rg8 Kf7 57.Rgf8 Ke7 58.Rfe8 Kd6 59.Red8 Ke6 60.Re8 Kd5 61.Red8 Ke6 62.Re8 Kd7 63.Red8 Ke6=) 50.Kg4 (better 50.Kh4 g5 51.Kh5+-) 50...Qd4?? (better 50...Qd1 51.Kh4 g5 52.fg6 Kg6 53.Rg8 Kf7 54.Rgf8 Ke6 55.Rc6 Ke7 56.Rcf6 Qd5=) 51.Kf3 (51.Kh5 Qd1 52.g4 Qg4 53.hg4 g6 54.fg6 Kg7 55.Re7) 51...Qd1 52.Kg3 Qd6?? (better 52...Qd3 53.Kg4 h5 54.Kf4 Qf1 55.Ke3 Qf5-+) 53.Kg4 (better 53.Kh4 g5 54.Kh5+-) 53...h5?? (better 53...Qd1 54.Kh4 g5 55.fg6 Kg6 56.Rg8 Kf7 57.Rgf8 Ke6 58.Rce8 Kf5=) 54.Kh5 Qd1 55.g4 g6 (55...Qg4 56.hg4 g6 57.fg6 Kg7 58.Re7) 56.fg6 Kg7 57.Re7 1-0. romanfire – CrossStitchingMam, Rated Blitz game, lichess.org, 2014.

5.c4 Qe7 6.Qa4 (6.a3!? Ba5 7.Nc3 Bc3 8.Bc3–+) 6...Bd7–+ 7.Qb3 Nf6 8.fe5 de5 9.e3 0-0 10.Be2 Rad8 11.0-0 Bc5 (11...Bg4 12.h3 Bh5 13.a3–+) 12.a4 (better is 12.Nc3 Be6 13.Rf2–+) 12...Bb6?? (12...Bg4 13.h3 Bh5 14.Bd1–+) 13.Na3?? (better is 13.Ba3 Qe8 14.Bf8 Qf8 15.Nc3=) 13...Bg4–+ 14.Rad1?! e4 15.Bf6 gf6 16.Qb1 ef3 17.Bf3 Bf3 18.Rf3 Ne5 19.Rg3 Ng6 20.Nb5 c6 21.Nc3 Rd7 22.d4 Bc7 23.Rh3 Re8 24.Qf5 Qe6 25.Qh5 Nf8 26.d5 Qe5 27.Rg3 Ng6 28.Qg4 f5 29.Qd4 Qd4 30.Rd4 Bg3 31.hg3 Re3 (31...Re3 32.Nd1 Rg3–+) 0–1. Lopez Perez,Inigo (1720) – Fernandez Gil,Ruben Carlos (1885), Tres Cantos ESP, 4th Open, 2012.

5.c4 Nf6 6.Nc3 –+.

5.e3 Qe7 6.a3 Bc5 7.Bb5 Bd7 8.0-0 Nh6 9.Nc3 0-0 10.Nd5 Qd8 11.fe5 de5 12.Nc3 Qe7 13.Ne4 Bb6 14.a4 Rfd8 15.Ba3 Qe8 16.Nfg5 f5 17.Nc5 Bc5 18.Bc5 Qg6 19.h4 Kh8 20.d3 b6 21.Ba3 a6 22.Bc4 Re8 23.Bd5 Rad8 24.Qf3 Ne7 25.Bb3 Bc8 26.Rad1 Nc6 27.Bd5 Na5 28.Bb4 c6 29.Ba2 Nb7 30.Rb1 b5 31.Ba3 Rd7 32.e4 f4 33.g3 Nd8 34.gf4= Nhf7 35.Qg3+= Ng5 36.fg5 h6 37.Rf5 Rb7 38.Re5 Re5 39.Qe5 Be6 40.Be6 Ne6 41.Rf1 ba4 42.d4 hg5 43.h5 Qh6 44.Bc1 Rb1 45.d5+/– Rc1 46.Rc1 g4 47.de6 (47.de6 Qc1 48.Kf2 Qc2 49.Kg3 Qb3 50.Kh4+–; 47.Re1 Qd2 48.Rb1 Qe3 49.Kf1 Qf3 50.Ke1 Qh1 51.Kd2 Qb1 52.Qe6 cd5 A) < 53.Qd5 Qb6=+; B) < 53.Qg4 Qb4 54.Kc1 Qe1 55.Kb2 a3 (55...de4?! 56.Qc8 Kh7 57.Qe6=+) 56.Kb3 Qe4 (56...de4?! 57.Qg6=) 57.Qc8 Kh7 58.Ka3 Qe7 59.Kb3 Kh6-/+; C) 53.ed5 Qb4 54.Kd3=) 1–0. Zylla,Johannes (2145) – Bringsken,Peter (2100), BdF T, 2004.

5.e3 ef4?? 6.Bg7+– fe3 7.Bb5 Qe7 (7...Nf6 8.Bh8 Kd7 9.Bf6 Qf6 10.c3 ed2 11.Qd2+–) 8.0-0 ed2 (8...Bc5 9.de3 Nf6 (9...Be3?? 10.Kh1+–) 10.Bh8 Ng4+–) 9.Bh8 Be6 (9...Nf6 10.Nbd2 Bc5 11.Kh1+–) 10.Bc6 bc6 11.Nbd2 Nh6 (11...Nf6 12.Bf6 Qf6 13.Ne4+–) 12.c3 Bc5 13.Bd4 Bb6 14.Qa4 0-0-0 15.Bb6 ab6 16.Qc6 Rg8 17.Rae1 Qf6 (17...Qe8 18.Qa8 Kd7+–) 18.Ne5 Qg5 19.Qa8 1–0. pvanr (2190) – alleyb (1725), gameknot.com, 2014.

5.e4 Be6 6.Ng5 Bd7 7.Bc4 Nh6 8.Qh5 0-0 +=. Kucharkowski.

5.e4 Nge7 6.fe5 de5 7.Ne5 Ne5 8.Be5 0-0 9.c3 Bc5 10.d4 Bb6 (10...Nc6 11.dc5 Ne5 12.Qd8 Rd8 13.Na3-/+) 11.Bc4 (11.Nd2 Ng6 12.Bg3 c5=) 11...Ng6 (better is 11...Nc6 12.Bg3 Nd4–+) 12.Bg3+= c6 (better is 12...Be6!? 13.Nd2 Qg5=) 13.0-0+= Be6 14.Be6 fe6 15.Rf8 Qf8 16.Nd2 Rd8 17.Nc4 Qe7 18.Rb1 c5 19.Nb6 ab6 20.Rb6 cd4 21.cd4 Qd7 (21...Qg5 22.Re6 Rc8 23.Qd3+/–) 22.d5! ed5?? (better is 22...Qc8+/–) 23.Rd6+– Qe7 (23...Qd6 24.Bd6 Rd6 25.ed5 Kf7+–) 24.Qd5 (Black forfeits on time, 1–0). Bonetti,Shane – guest1197, ICC, 2002.

5.e4 f6 6.Nh4 Nge7 7.Qh5 g6 8.Ng6 Ng6 9.f5 Ke7 10.fg6 hg6 11.Qg6 +–. Kucharkowski.

5.fe5 d5 6.e3 Nge7 7.Bb5 Bg4 8.0-0 0-0 9.c3 Bf3 10.Rf3 Ne5 11.cb4+/– Nf3 12.Qf3 f6 13.Nc3 c6 14.Ba4 Ng6 15.Bc2 Qe8 16.Qh5 Qf7 17.Rf1 Rfe8 18.Ne2 Re4 19.Be4+– de4 20.Nc3 Qc4 21.Qc5 Qd3 22.Qd4 Qd4 23.ed4 Rd8 24.a4?? a6?? 25.g3?? e3?? 26.Re1 Kf7?? 27.de3+– Nf8 28.Kf2 (28.Kf2 Ne6 29.g4+–) 1–0. Dubleumortier,Alain (2045) – Godinot,Bernard (1840), corr Aquitaine–ch, 1998.

5.fe5 de5 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe5 de5 5.Nf3 Nc6).

5.g3 Qd7 6.c3 Ba5 7.fe5 Ne5 8.Ne5 de5 9.Bg2 Bb6 10.Na3 Nf6 11.e3 0-0 12.0-0 Re8 13.Qc2 c6 14.Nc4 Bc7 15.d4 ed4 16.cd4=+ b5 17.Ne5+= Be5 18.Bc6 Qc7 19.Rac1 Rb8? 20.Be8+– Qc2 21.Rc2 Bh3 22.Bf7! Kf7 23.de5 Bf1 24.Rc7 Kg6 25.ef6 gf6 26.Kf1 a5 27.Rc6 b4 28.Rf6 Kg5 29.Kg2 a4 30.h4 Kg4 31.Rf4 Kh5 32.g4 Kh4 33.Bf6# 1–0. pierre – temistokles, internet, 2011.

5.a3 Ba5

6.e3 a6 7.fe5= de5 8.Ne5 Ne5 (8...Nf6 9.Nc4=) 9.Qh5 Bd2 (better is 9...Be6!?=) 10.Nd2+/– Ng6? (better is 10...Ng4 11.Bc4 Qe7 12.Bg7 Ne3+/–) 11.Bg7+– (11.Bg7 Nf6 12.Qf3+–) 1–0. Pamieci Krzysztofa P – napohybel, internet, 2016.

6.e3 Nge7 7.fe5 0-0 A) 8.Bc4 Be6 (8...de5 9.0-0 Be6 10.Be6 fe6 11.Ne5 Rf1 12.Qf1 Ne5 13.Be5 Nc6; 8...Ne5 9.Ne5 de5 10.0-0 Nc6 11.Nc3 Be6 12.Be6 fe6 13.Rf8 Qf8; 8...Nf5 9.0-0 de5 10.Ne5 Ne5 11.Be5 Qe7 12.Bb2 Qg5 13.Qf3 Be6; 8...Bg4 9.ed6 Qd6 10.0-0 Rad8 11.Qe2 Nd5 12.Qd3 h6 13.Qe4 f5) 9.Be6 fe6 10.ed6 cd6 11.0-0 Qb6 12.Ra2 Qc5 13.Nc3 e5; B) 8.Be2 de5 (8...Ne5 9.0-0 N7c6 10.Ne5 de5 11.Nc3 Be6 12.Bd3 f5 13.Qh5 g6; 8...Nf5 9.0-0 de5 10.Ne5 Ne5 11.Be5 Qg5 12.Bf4 Qe7 13.Bd3 Rd8; 8...Be6 9.0-0 Ne5 10.Ne5 de5 11.Be5 Ng6 12.Bb2 f5 13.Bd3 Qg5) 9.0-0 Qd6 10.Nc3 Nf5 11.Ne4 Qd5 12.Nfg5 f6 13.c4 Qd8; C) 8.Bd3 de5 (8...Bf5 9.Bf5 Nf5 10.0-0 Qd7 11.ed6 Nd6 12.Qe2 Rad8 13.Nc3 Qe6; 8...Ne5 9.Ne5 de5 10.0-0 Nc6 11.Nc3 Be6 12.Qh5 f5 13.Rf3 Qe8; 8...Nd5 9.0-0 de5 10.Ne5 Ne5 11.Be5 Qg5 12.Bd4 Bg4 13.Qe1 Rad8) 9.0-0 f6 10.Bc4 Kh8 11.Nc3 Bc3 12.dc3 Qd1 13.Rad1 Bf5.

6.e3 Nge7 7.fe5 Nd5 8.Bd3 0-0 (8...de5 9.0-0 f6 10.Nc3 0-0 11.Qb1 Bc3 12.Bc3 Nc3 13.dc3 Qd5; 8...Bg4 9.0-0 Ne5 10.Be2 Bf3 11.Bf3 c6 12.Bd5 cd5 13.c4 0-0; 8...Ne3 9.Qe2 Nd5 10.ed6 Kf8 11.0-0 cd6 12.Kh1 Nf4 13.Qe3 Nd3; 8...Be6 9.0-0 0-0 10.c4 Nb6 11.Qb3 Nd7 12.Qb7 Nde5 13.Ne5 Ne5) 9.0-0 de5 10.Ne5 Ne5 11.Be5 Qg5 12.Bd4 Bg4 13.Qe1 Rad8.

6.e3 Nge7 7.fe5 de5 8.Bc4 (8.Ne5 Ne5 (8...Nf5 9.Qf3 Ne5 10.Be5 Qe7 11.Qd5 Bb6 12.Bb5 Kf8 13.Bd3 c6; 8...0-0 9.Nc4 Nf5 10.Qf3 Be6 11.Na5 Na5 12.Qf4 f6 13.Nc3 Qd7) 9.Be5 Nc6 10.Bc3 Qh4 11.g3 Qe4 12.Rg1 Bg4 13.Be2 Be2) 8...Be6 (8...f6 9.0-0-/+ Nd5 10.Qe2 Be6 11.Nc3 Bc3 12.dc3 Qe7 13.a4 0-0-0) 9.Be6=+ fe6 10.Be5 (10.0-0 0-0 11.Ne5 Rf1 12.Qf1 Ne5 13.Be5 Nc6) 10...Ne5 11.Ne5 0-0 12.Qg4 Rf6 (12...Qd5 13.Nf3 Nf5) 13.Nc4 c6 14.Na5 Qa5 15.Nc3 Raf8 0–1. Rooijen van,Peter (1655) – Nin,Nacho (1710), IECG, 2010.

6.e3 Nge7 7.fe5 Ne5 A) 8.Be2 N7c6 (8...0-0 9.0-0 N7c6 10.Nc3 Be6 11.Qe1 Qe7 12.Qg3 f6 13.Qf4 Rae8; 8...Be6 9.0-0 N7c6 10.Bc3 0-0 11.Ba5 Na5 12.Nc3 f6 13.Rb1 b6; 8...Nf3 9.Bf3 0-0 10.0-0 d5 11.Nc3 Be6 12.Rb1 Ng6 13.Ne2 Qd6) 9.0-0 0-0 10.Ne5 de5 11.Nc3 Be6 12.Bd3 f5 13.Qh5 g6; B) 8.Bb5 c6 (8...Bd7 9.Ne5 de5 10.Bd3 Nc6 11.0-0 0-0 12.Nc3 Be6 13.Qe2 f5) 9.Ne5 cb5 10.Nd3 0-0 11.0-0 Be6 12.Qh5 Qc7 13.Qg5 f6; C) 8.Nc3 0-0 (8...N7c6 9.Be2 0-0 10.0-0 Be6 11.Qe1 f6 12.Qh4 Qe7 13.Nd4 Nd4; 8...Nf5 9.Be2 Qf6 10.0-0 Ne3 11.de3 Bc3 12.Bb5 Bd7 13.Ne5 Qe5) 9.Be2 Be6 10.0-0 N7c6 11.Qe1 Qe7 12.Nd4 Nd4 13.ed4 Nc6; D) 8.Ne5 de5 9.Bd3 0-0 10.Qh5 Ng6 11.0-0 f6 12.Bc4 Kh8 13.Bd3 Qe8.

6.e3 Bf5 7.Bb5 Nge7 (7...f6 8.fe5 fe5 9.Bc3-/+) 8.fe5 de5 9.Ne5 a6 (9...Qd5 10.Nc6 Nc6 11.Bc6 A) worse 11...bc6 12.0-0+= (12.Bg7? Rg8 13.0-0 Rg7–+); B) 11...Qc6=+) 10.Bc6 bc6 11.0-0 Be6 (11...Qd5 12.Nf3 0-0 13.Nd4+=) 12.Qh5+– 0-0 (12...Bd2? 13.Bd4 (13.Nf7 Be3 14.Kh1 0-0-/+; 13.Nd2?! Qd2 14.Rf7 Qe3 15.Rf2 Kd8+–) 13...Be3 14.Be3+–) 13.Ng4 Bg4 14.Qa5 Be2? (better 14...Qd7+=) 15.Re1+– Bh5? (15...Rb8 16.Ra2 Bb5+–) 16.Qe5 (16.Qe5 f6 17.Qh5+–) 1–0. pcmvr – smoothoperator, net–chess.com, 2018.

6.e3 Bg4 7.Be2 e4 8.Bg7 ef3 9.Bf3 Qh4 10.g3 Bf3 11.Qf3 Qe7+–.

6.e3 Bg4 7.Be2 Nf6 8.fe5 Ne5 (8...de5!? 9.Ne5 Ne5 10.Be5 Qe7=) 9.Ne5+= Be2 10.Qe2 0-0?? (better is 10...de5 11.Qb5 c6 12.Qe5 Kf8+=) 11.Nf3 (11.Nc4 Bb6+–) 11...c5 12.0-0 Qe7 (12...d5 13.Ng5 d4 14.Qd3 de3 15.Qe3+–) 13.Nh4 Bd8 (13...Ne8 14.Nf5 Qc7 15.Qc4+–) 14.Bf6 gf6 (14...Qf6 15.Rf6 Bf6+–) 15.Nf5 Qe4 16.Nc3 (16…Qf5 17.Rf5+–) 1–0. Mehlhorn,Uwe – Staats,Carsten, RSS7E–21 remoteschach.de, 2003.

6.e3 Nh6 7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 Ne5 17.d4 Nd7 (17...Ng6 A) 18.Qd3 d5 (18...Re8 19.e4 Qg5 20.Rd1 Be6 21.Qd2 Qd2 22.Rd2 Rad8 23.Na4 Bh3; 18...Bh3 19.e4 Qd7 20.Qc4 Rac8 21.Rd1 Be6 22.Qb4 Qe7 23.Rb1 b6; 18...Qc7 19.Rb1 Be6 20.e4 Rae8 21.a4 f6 22.Bh5 Re7 23.Kg2 d5; 18...h6 19.h4 Qc7 20.Bh5 Ne7 21.Rb1 Be6 22.e4 d5 23.e5 Rad8) 19.e4 Be6 20.Bf3 Rad8 21.ed5 cd5 22.Qb5 a6 23.Qb3 b5; B) 18.e4 Be6 (18...h6 19.Qd2 Be6 20.Rb1 Rab8 21.a4 b6 22.Rd1 Rbc8 23.Re1 Rce8; 18...f5 19.Qd3 f4 20.Bh5 Qg5 21.Bg6 Qg6 22.Rb1 Rf6 23.Ne2 fg3; 18...b6 19.Qd2 Be6 20.h4 c5 21.Rd1 cd4 22.Qd4 Rac8 23.Nb5 Rc2; 18...Rd8 19.Qd2 d5 20.Qd3 Qg5 21.ed5 cd5 22.Re1 Bd7 23.Nb5 Bc6; 18...b5 19.Qd2 Bh3 20.d5 c5 21.Nb5 a6 22.Nc3 Rfb8 23.Qc1 Qc7) 19.Qd2 h6 20.a4 b6 21.Bh5 Bc4 22.Re1 Rae8 23.Be2 Be2) 18.e4 (18.Qd3 Nf6 (18...Re8 19.e4 Nf6 20.a4 h6 21.Raf1 Bh3 22.Rb1 b6 23.Rf4 Be6; 18...Rd8 19.Rb1 Re8 20.e4 Nf6 21.Bf3 Bh3 22.Re2 Rad8 23.Ree1 h6; 18...Nb6 19.e4 Be6 20.d5 Bd7 21.dc6 Bc6 22.Rd1 Rae8 23.Qd6 Qd6) 19.e4 h6 20.Bf3 Bh3 21.Re2 Rfe8 22.Rb1 Rad8 23.a4 Qd7) 18...Nf6 (18...h6 19.Bf3 Re8 20.Qd3 Nf6 21.Rb1 Bh3 22.Bg2 Bg2 23.Kg2 b5; 18...Re8 19.Qd2 Nf6 20.Rb1 h6 21.a4 b6 22.Bf3 Bb7 23.Re2 Qd7; 18...a5 19.Rb1 Nf6 20.Bf3 Re8 21.Qd3 Bh3 22.Re2 Qc7 23.a4 h5; 18...Rb8 19.Qd3 Nf6 20.Bf3 Be6 21.Re1 h6 22.Rfe2 Rfe8 23.Nd5 Bd5; 18...a6 19.Qd3 Nf6 20.a4 a5 21.Bf3 Re8 22.Rb1 h5 23.Bg2 Rb8) 19.Qd3 (19.Bf3 Re8 20.Re2 Bg4 21.Bg4 Ng4 22.Qd3 b5 23.h3 Nf6) 19...Re8 (19...h6 20.Bf3 Bh3 21.Rb1 Rfe8 22.Re2 Rad8 23.Ree1 Qd7) 20.a4 (20.Bf3 Be6 21.Rb1 Qc7 22.Re2 Rad8 23.Kh1 h6) 20...Bh3 (20...h6 21.Rb1 Rb8 22.Qd2 b6 23.Qf4 Bd7) 21.Rb1 Rab8 22.Rf4 (22.Bf3 h6 23.Re2 Qd7) 22...Be6 (22...g5 23.Rf2 Ne4) 23.Qd2 a6 (23...Qd8-/+) 24.a5 Qd8 25.Ra1 c5 26.d5 Bd7 27.Qe3 b5 (27...b5 28.ab6 A) 28...Qb6?! 29.Ra6 (29.Ba6? Ra8–+) 29...Qc7 30.Rf6 gf6 31.Qf4=; B) 28...Bb5-/+) 0–1. Rooijen van,Peter (1655) – Boyd,John M (1890), IECG, 2010.

6.e3 Nh6 7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 Ne5 17.e4 Nd7 A) 18.Bf3 Re8 (18...f6 19.Rb1 Ne5 20.Be2 Nf7 21.Bc4 b5 22.Bf7 Qf7 23.Qf3 Bd7; 18...Nf6 19.d4 Re8 20.Rb1 h6 21.Qc1 Qc7 22.Qd2 Rb8 23.Bg2 Be6; 18...h6 19.d4 Re8 20.Qd3 Nf6 21.Rb1 Bh3 22.Qd2 Rab8 23.Re2 Qc7; 18...Nb6 19.d3 f6 20.Qb1 Qe5 21.Qb3 Rf7 22.Rd1 c5 23.Nb5 Be6; 18...g6 19.Rb1 Nb6 20.d3 Qe5 21.Ne2 Qc5 22.Qc1 Re8 23.Qb2 Na4) 19.d4 Nf6 20.Qd3 Bh3 21.a4 h6 22.Rb1 Rab8 23.Re2 Qd7; B) 18.Rb1 Nf6 (18...Nc5 19.Bf3 f5 20.Qe2 f4 21.d4 Ne6 22.Bg4 Nd4 23.Qc4 Be6; 18...Re8 19.d4 Nf6 20.Qd2 h6 21.Rbf1 Bh3 22.Rf6 gf6 23.Rf4 Be6; 18...Rb8 19.d4 Nf6 20.Bf3 b5 21.Qd2 Bd7 22.Qf4 Rfe8 23.Re2 a5; 18...b5 19.d4 Nf6 20.d5 Qe5 21.Qd2 Bd7 22.dc6 Bc6 23.Rd1 Rac8; 18...b6 19.d4 Nf6 20.Bf3 Ba6 21.Qd2 h6 22.a4 Rad8 23.Qf4 Rfe8) 19.Bf3 Re8 20.d4 h6 21.Qd3 Bh3 22.Bg2 Bg2 23.Kg2 b5; C) 18.d3 Nf6 (18...h6 19.d4 Nf6 20.Qd3 Re8 21.Rb1 Rb8 22.Bf3 Bh3 23.Re2 Qc7; 18...Re8 19.d4 Nf6 20.Bf3 h6 21.Rb1 Be6 22.Qd3 Qc7 23.a4 Rad8; 18...b5 19.d4 Nf6 20.Bf3 Rb8 21.Qd2 h6 22.Qf4 Re8 23.Re2 Be6; 18...a5 19.d4 Nf6 20.Bf3 h6 21.Rb1 Re8 22.Qd2 Be6 23.Qd3 Qc7; 18...Nc5 19.Bf3 f5 20.Qd2 fe4 21.Re1 Bf5 22.d4 Rae8 23.Re3 Ne6) 19.Bf3 Be6 20.d4 h6 21.Qd3 Rfe8 22.Rb1 Qc7 23.a4 Rab8; D) 18.Bg4 Nc5 (18...h6 19.Rb1 Nf6 20.Bf3 Be6 21.d4 Rfe8 22.Qd2 Rab8 23.Qd3 Qc7; 18...Nf6 19.Bf3 h6 20.d4 Be6 21.Qd3 Rfe8 22.Re2 Qc7 23.Rae1 Rad8; 18...Re8 19.Bf3 h6 20.Rb1 Nf6 21.Qe2 Bh3 22.d4 Rad8 23.Qd3 b6; 18...b5 19.d4 Nf6 20.Bf3 Rb8 21.Qd3 Ng4 22.Re2 Be6 23.Qd2 Qd7; 18...b6 19.Qe2 b5 20.Bd7 Bd7 21.Qe3 f6 22.Rb1 a5 23.Rf3 Qe5) 19.Bf3 f5 20.Qe2 fe4 21.Be4 Be6 22.Re1 Rf2 23.Qf2 Re8; E) 18.d4 Nf6 (18...h6 19.Rb1 Nf6 20.Qd2 Ne4 21.Ne4 Qe4 22.Bf3 Qg6 23.Re1 Bf5; 18...Rd8 19.Qd2 Nf6 20.Rf4 b5 21.Rb1 Bd7 22.Bd3 Rab8 23.Re1 a5; 18...a5 19.Rb1 Nf6 20.Bf3 Re8 21.a4 h6 22.Kg2 Rb8 23.Re2 Be6; 18...a6 19.Qd3 Nf6 20.a4 a5 21.Bf3 Re8 22.Rb1 Qc7 23.Nd1 Bg4; 18...Rb8 19.Qd3 Nf6 20.Bf3 Bh3 21.Re2 Rfe8 22.Rb1 h6 23.Qd2 Qc7) 19.Qd3 Re8 20.Bf3 Bh3 21.Rb1 h6 22.Re2 Rad8 23.Ree1 Qd7.

6.e3 Nh6 7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 Ne5 17.e4 Re8 A) 18.Rb1 Nd7 (18...Be6 19.d4 Ng6 20.Qd2 d5 21.Bf3 de4 22.Ne4 Rad8 23.Qc3 b6; 18...Qg5 19.Qc1 h5 20.d4 Qc1 21.Rc1 Ng4 22.Rf4 Be6 23.h3 Nf6; 18...f6 19.d4 Nf7 20.Bc4 b5 21.Bb3 a6 22.h4 Be6 23.d5 Bd7; 18...h6 19.Bh5 Rf8 20.d4 Nc4 21.Be2 Be6 22.d5 cd5 23.ed5 Ne3; 18...b6 19.d4 Nd7 20.Qd2 Nf6 21.Bf3 Qc7 22.Qf4 Bd7 23.Nd1 Bg4) 19.d4 Nf6 20.Qd2 Rb8 21.Bf3 Be6 22.a4 Bc4 23.Be2 Be2; B) 18.a4 Qg5 (18...f6 19.Rb1 Be6 20.d4 Nf7 21.Qd3 Ng5 22.Bf1 Bh3 23.Rf4 b6; 18...Nd7 19.Bc4 Nf6 20.Qb1 b6 21.Qb3 Be6 22.Raf1 Bh3 23.Rb1 h6; 18...h6 19.d4 Nd7 20.Qd2 Nf6 21.Rb1 a6 22.d5 a5 23.Bc4 Ng4; 18...Be6 19.d4 Nd7 20.Qd2 Nf6 21.Raf1 b6 22.Rb1 h6 23.Qf4 Rad8; 18...Ng6 19.d4 Be6 20.Qd2 f6 21.Rb1 Qc7 22.Bh5 a6 23.Kg2 Rab8) 19.d4 Ng4 20.Rf4 Nf6 21.Rb1 b6 22.Qd2 Be6 23.Bd3 Bd7; C) 18.d3 Nd7 (18...h6 19.d4 Nd7 20.Qd2 Nf6 21.Raf1 Ne4 22.Ne4 Qe4 23.Bh5 Be6; 18...f6 19.d4 Nf7 20.Bh5 g6 21.Bg4 Ng5 22.Bc8 Rac8 23.Re2 c5; 18...Be6 19.d4 Ng6 20.Qd2 d5 21.e5 Rac8 22.Na4 Bh3 23.c4 dc4; 18...a5 19.d4 Nd7 20.Rb1 Nf6 21.Qd2 Bh3 22.Bf3 Qd7 23.Qf4 h6; 18...Ng6 19.d4 Be6 20.Qd2 d5 21.e5 Rac8 22.Na4 Bh3 23.c4 dc4) 19.d4 Nf6 20.Bf3 h6 21.Qd2 Be6 22.Rb1 Rab8 23.a4 Bc4; D) 18.Qb1 Bg4 (18...b6 19.d4 Ng4 20.Rf4 Nf6 21.Qb3 Be6 22.Bc4 Bc4 23.Qc4 Rac8; 18...Nd7 19.d4 Nf6 20.Bf3 h5 21.Qd1 Bg4 22.Qd3 b5 23.e5 Bf3; 18...h6 19.d4 Ng4 20.Bg4 Bg4 21.Qb3 b6 22.Re1 Rac8 23.Qc4 b5; 18...Qc7 19.d4 Ng4 20.Rf4 h5 21.Qc1 Be6 22.Qd2 Qa5 23.Rb1 Re7; 18...a5 19.Qb6 Bg4 20.Bg4 Ng4 21.Rf4 Ne5 22.Rb1 Nc4 23.Qb7 Nd2) 19.Bg4 Ng4 20.Rf4 Qd7 21.Qb3 Nf6 22.Raf1 Re5 23.Kg2 Rae8; E) 18.d4 Nd7 (18...Ng6 19.Bc4 Be6 20.Qd3 Rad8 21.Be6 Qe6 22.Rb1 b6 23.h4 d5) 19.Qd2 Nf6 20.Rb1 Qc7 21.Rbf1 Be6 22.g4 Qa5 23.g5 Nd7.

6.e3 Nh6 7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 Ne5 17.e4 f6 A) 18.d4 Nf7 19.h4 Be6 20.Qd2 a6 21.Rb1 b5 22.Bf3 Rac8 23.a4 Bd7; B) 18.a4 Be6 (18...Nf7 19.Bc4 Be6 20.Qe2 Ng5 21.Kh1 Rae8 22.h4 Nf7 23.Kg1 Ne5; 18...Re8 19.d4 Nf7 20.h4 d5 21.ed5 Qd6 22.Qd3 cd5 23.Nb5 Qd8; 18...a6 19.d4 Nf7 20.h4 Be6 21.Rb1 d5 22.Bd3 Nd6 23.Qh5 de4) 19.d4 Nf7 20.Bf1 Ng5 21.h4 Nh3 22.Bh3 Bh3 23.Qd3 Be6; C) 18.Qf1 Nf7 (18...Be6 19.d4 Nf7 20.d5 cd5 21.Nd5 Bd5 22.ed5 Ng5 23.Re1 Qe5; 18...b5 19.d4 Nf7 20.h4 a5 21.Qc1 Bd7 22.Qb2 Rab8 23.Bf3 b4) 19.Bc4 Be6 20.a4 Ng5 21.Rb1 b6 22.Be6 Qe6 23.Re2 Rae8; D) 18.Qb1 Be6 (18...c5 19.Nd5 Qf7 20.Qb3 Be6 21.Rb1 b6 22.c3 Rac8 23.Bc4 Nc4; 18...Kh8 19.d4 Nf7 20.h4 c5 21.Qd1 Be6 22.Rb1 cd4 23.Qd4 Ne5; 18...Nf7 19.Bc4 a5 20.Qb6 Kh8 21.Bf7 Rf7 22.Rf4 Be6 23.Kg2 Qd7; 18...Bh3 19.d4 Ng4 20.Qb3 Kh8 21.Rf5 Ne3 22.Rf3 Be6 23.Qb2 Nc4; 18...a5 19.Qb6 Bg4 20.d4 Be2 21.de5 Bg4 22.ef6 Rf6 23.Raf1 Rf2) 19.d4 Ng4 20.Bg4 Bg4 21.Qb3 Be6 22.d5 Bf7 23.Rf4 Rac8; E) 18.Rb1 Nf7 (18...Be6 19.d4 Nf7 20.Bg4 Ng5 21.h4 Qd7 22.Be6 Ne6 23.Qg4 Rad8; 18...b5 19.d4 Nf7 20.h4 Rb8 21.Qd2 a5 22.Bf3 Nh6 23.Ne2 Bg4; 18...b6 19.d4 Nf7 20.h4 Be6 21.Qd3 Rfe8 22.Bh5 Rad8 23.a4 c5; 18...a6 19.d4 Nf7 20.h4 b5 21.Bg4 d5 22.ed5 Qa3 23.Rb3 Qd6; 18...a5 19.d4 Nf7 20.Bc4 b5 21.Ba2 Kh8 22.Bf7 Rf7 23.Qd3 Bd7) 19.h4 Be6 20.d4 d5 21.Bf3 Qd7 22.Qd3 Rfe8 23.Re2 de4.

6.e3 Nh6 7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 Ne5 17.e4 h6 A) 18.a4 Nd7 (18...Be6 19.d4 Nd7 20.Rb1 Nf6 21.Qd3 Rab8 22.Bf3 Rfe8 23.Re1 Rbd8; 18...Rd8 19.d4 Nd7 20.Rb1 Nf6 21.Qd3 Rb8 22.Bf3 Be6 23.Ne2 Bg4; 18...Qg5 19.Rb1 b6 20.d4 Ng4 21.Bg4 Bg4 22.Qd3 Rae8 23.Rf4 Re7; 18...a5 19.Rb1 Nd7 20.Bc4 Nf6 21.Rf4 Rb8 22.Qe2 Be6 23.Be6 Qe6; 18...Bh3 19.d4 Nd7 20.Bg4 Bg4 21.Qg4 Nf6 22.Qf5 Rae8 23.Re1 Qe6) 19.Rb1 Nf6 20.Bf3 Be6 21.Qe1 Rfe8 22.Qe3 b6 23.Qf4 h5; B) 18.d4 Nd7 (18...Ng6 19.Qd2 Be6 20.a4 Rac8 21.Bd3 c5 22.Nd5 Bd5 23.ed5 cd4) 19.Qd2 Nf6 20.Bf3 Re8 21.a4 Be6 22.Rb1 Rad8 23.Be2 b6; C) 18.Kg2 Qg5 (18...Nd7 19.Bg4 Nf6 20.Bc8 Rac8 21.Qf3 Rfe8 22.Raf1 Qe6 23.Re2 Rc7; 18...c5 19.Nd5 Qg5 20.h4 Qd8 21.Rb1 Qd7 22.Kg1 b6 23.c3 c4; 18...Be6 19.d4 Nc4 20.Bc4 Bc4 21.Rf4 d5 22.Qf3 Rad8 23.Rg4 Rd6; 18...Ng6 19.d4 Be6 20.Rb1 a6 21.Qd2 d5 22.e5 b5 23.a4 b4; 18...b5 19.d4 Nd7 20.d5 c5 21.Bb5 Ne5 22.Rb1 Rb8 23.Be2 Bd7) 19.d4 Ng4 20.Bg4 Bg4 21.Qd2 Qh5 22.Rb1 b6 23.Ne2 Qg6; D) 18.d3 Nd7 (18...a5 19.d4 Nd7 20.Qd3 Nf6 21.Bf3 Bh3 22.Re1 Rfe8 23.a4 Qd7; 18...Re8 19.d4 Nd7 20.Qd3 Nf6 21.Rb1 b5 22.Bf3 Bd7 23.Re2 Rab8; 18...c5 19.Nd5 Qg5 20.c3 Be6 21.d4 cd4 22.cd4 Bd5 23.ed5 Nd7; 18...Rd8 19.d4 Nd7 20.Bf3 Nf6 21.a4 Be6 22.Qd3 Re8 23.Rb1 Rab8; 18...Be6 19.d4 Nd7 20.Rb1 Nf6 21.a4 Rfe8 22.Qd2 b6 23.Qf4 Rad8) 19.Qd2 Nf6 20.Rb1 b5 21.d4 a6 22.Bf3 Be6 23.Re2 Rfe8; E) 18.Rb1 Nd7 (18...b6 19.d4 Nd7 20.Bf3 Nf6 21.Qd3 Bb7 22.Nd1 Rfe8 23.Ne3 Qe6; 18...Be6 19.d4 Ng6 20.Qd2 Rab8 21.a4 b6 22.Re1 Rbe8 23.Rb1 Rc8; 18...Ng6 19.d4 Be6 20.Qd2 Rab8 21.Bh5 b5 22.d5 Bd7 23.dc6 Bc6; 18...a5 19.d4 Nd7 20.Qd3 Nf6 21.Bf3 Rd8 22.a4 Ra7 23.Kg2 Be6) 19.d4 Nf6 20.Qd3 Re8 21.Bf3 Bh3 22.Re2 Rad8 23.Ree1 b6.

6.fe5 de5 7.Ne5 Ne5 8.Be5 Nf6 9.e3 0-0 10.Qf3 Bg4 (better is 10...Ng4!? 11.Bc3 c6=+) 11.Bf6+= (11.Qb7?? Rb8 12.Qb8 Qb8–+) 11...Bf3? (better is 11...Qf6 12.Qf6 gf6+=) 12.Bd8+– Be4 13.Bg5 Bc2 14.Nc3 h6 15.Rc1 Bg6 16.Bf4 Rfe8 17.d4 Rad8 18.Be2 c6 19.0-0 Bh7 20.Kf2 g5 21.Be5 Re6 22.Bc4 Re5 23.de5 Rd2 (23...Bd3 24.Bd3 Rd3+–) 24.Ke1 Rg2 25.Rf7 Kh8 (25...Bd3 26.Rf2 Bc4 27.Rg2 Kf7+–) 26.e6 Rg1 27.Kf2 Rc1 28.e7 Rc2 (28...Rf1 29.Kf1 Bg8 30.e8Q Bc3 31.Rh7 Kh7 32.Qg8#) 29.Ne2 Rc4 (29...Re2 30.Ke2 Bd3 31.Kd3 Bb4 32.e8Q Bf8 33.Qf8#) 30.e8Q Bg8 31.Qe5# 1–0. b4_player (2195) – wim (1995), GameColony.com, 2003.

6.fe5 Ne5 7.Ne5 de5 8.Be5 Qg5 9.Bg3 Bg4 10.c3 0-0-0 11.Qa4 Nf6 12.h3 Bd7 13.Qf4 Qg6 14.e3 (14.Bh4 Qc2 15.e3 Qb2 16.Bf6 gf6 17.Qf6 Rdg8–+) 14…Nh5 (14...Nh5 15.Qe5 Ng3–+) 0–1. Hilbert,Stephan J (1755) – DiAlfonso,Darren (2000), FICGS, 2013.

6.e3 Nf6

7.fe5 de5 8.Bb5 Ng4 9.Qe2 0-0 10.h3 e4 (10...Nf6!? 11.Bc6 bc6 12.Be5 Re8-/+) 11.hg4= Bg4?? (better is 11...ef3 12.Qf3 Qd6=) 12.Qc4+– Bf3 13.gf3 (13.Bc6?! Qg5 (13...bc6? 14.gf3 Re8 15.f4+–) 14.gf3 Qg3 15.Kf1 Qf3 16.Kg1 Qg3 17.Kf1 Qf3 18.Kg1 Qg3 19.Kf1 Qf3=) 13...Qg5 (13...Re8 14.f4+– (14.Bc6?! bc6 15.f4 Qd5 16.Qd5 cd5+–)) 14.Qe4 (14.fe4?! Qg3 15.Kf1 Qf3 16.Kg1 Qg3 17.Kf1 Qf3 18.Kg1 Qg3 19.Kf1=) 14...Qg3 (14...h5 15.Bc6 bc6+–) 15.Kf1 f5 (15...g6 16.f4 Nd4 17.Bd4+– (17.Qd4?! Qf3 18.Ke1 Qh1 19.Bf1 f6+/–)) 16.Qd5 Kh8 (16...Rf7 17.Rg1 Qh3 18.Ke1 Qh4 19.Kd1+–) 17.Rg1 Qh3 18.Rg2 Rg8 19.Bc6 bc6 20.Qa5 Qf3 21.Kg1 Qd1 22.Kf2 f4 23.ef4 Rae8 (23...Qc2 24.Be5 Raf8 25.Qc3 Qc3 26.Nc3+–) 24.Be5 h6 (24...Qc2 25.Qc3 Qc3 26.Nc3+–) 25.Qc7 Kh7 1–0. pcmvr (2765) – ichess (2545), net–chess.com, 2014.

7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 d5 17.Bc4 dc4 18.Qh5 b5 19.Raf1 a5 20.Ne2 a4 21.Ra1 Bd7 22.Nc3 Rae8 23.Rf4 Rd8 24.Ne4 f5.

7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 d5 17.Bc4 dc4 18.Qh5 Rd8 19.Qa5 (19.a4 Be6-/+ 20.Rd1 b6 21.Qf3 Qd7 22.Rb1 Rab8 23.a5 b5 24.Ne4 Bd5; 19.Raf1 Be6 20.a4 Rd7 21.Qf3 Rad8 22.Rd1 Qg5 23.Qf4 Qf4 24.gf4 Bg4; 19.Rd1 Be6 (19...Rb8 20.a4 b5 21.ab5 cb5 22.Rb1 a6 23.e4 Be6 24.Ra1 b4) 20.a4 Rd7 21.Qa5 Bg4 22.Rdf1 Bh3 23.Rb1 Rad8 24.Qa7 b5; 19.e4 Be6 20.a4 Rd4 21.Qe5 Rd7 22.Rb1 Rad8 23.Qf4 Qc5 24.Kg2 g5; 19.Qf3 Be6 20.a4 Rd7 21.Rd1 Qg5 22.Qf4 Qg6 23.e4 Re8 24.a5 b5) 19...Be6 20.Ne2 (20.Qb4 c5 21.Qb2 Rd7 22.Rb1 Rad8 23.a4 Qg5 24.Ne4 Qd5) 20...f6 (20...b6 21.Qc3-/+ Rd7 22.Raf1 Re8 23.Nf4 a6 24.Rb1 b5; 20...b5 21.Raf1 Rd7 22.Nf4 Re8 23.a4 Rb8 24.Ne6 Qe6) 21.Rb1 (21.Nf4 b5-/+ 22.Ne6 Qe6 23.Re1 Rd7 24.Qc3 Qe5) 21...Rd7 (21...b5 22.a4-/+ (22.Nc3 a6 23.Ne2 c5 24.Nc3 Qd6) 22...a6 23.Qc3 Bd5 24.Nf4 ba4) 22.Rd1 (22.Nd4 Bd5 23.Qc3 (23.Rf4 g5 24.Rff1 Qe4) 23...c5–+ 24.Nf3 Rad8; 22.Nf4 Bd5-/+ (22...Bf7 23.Qc3 Rad8 24.Rbf1 Qe5) 23.Rbf1 b6 24.Qc3 Re8) 22...Rad8–+ (22...b5 23.Nd4 Bd5 24.Rf4 g5) 23.Nf4 (23.Qc3 b5-/+ 24.Nf4 Bf5) 23...b6 (23...Bg4 24.Re1 b5) 24.Qc3 Bf7 25.h3 (25.Rdf1 c5–+) 25…Qe5 (25...Qe5 26.Ne2 Be6–+; 25...Qe5 26.Qe5 fe5–+) 0–1. pvanr (2110) – jozo_hani (2235), gameknot.com, 2013.

7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 d5 17.Bc4 dc4 18.Qh5 Be6 A) 19.a4 Rfd8 (19...Rad8 20.Rd1 Rfe8 21.Rdf1 Rd7 22.a5 Red8 23.Rd1 Qa3 24.Qe5 Re7; 19...Rfe8 20.Raf1 Rad8 21.a5 b5 22.ab6 ab6 23.Qf3 Qd7 24.Qf4 Bh3) 20.Rd1 Rd7 21.Qf3 Qg5 22.Qf4 Qh5 23.e4 Rad8 24.Rb1 Qc5; B) 19.Ne2 Rad8 20.Nf4 Bd5 21.Qe2 Qe4 22.Nd5 Rd5 23.Ra2 Rfd8 24.Qe1 Qe6; C) 19.Rb1 Qa3 20.Rb7 Qc1 21.Qd1 Qd1 22.Nd1 a5 23.Nc3 a4 24.Rb2 a3; D) 19.Ne4-/+ Rae8 (19...Bd5 20.Nc3 Rad8 21.a4 Rd7 22.Rd1 Rfd8 23.Qf5 Be6 24.Qf3 Qg5; 19...Rad8 20.Qc5 Qc5 21.Nc5 Bc8 22.Rb1 b6 23.Ne4 Rfe8 24.Nc3 Be6) 20.Ng5 h6 21.Ne6 fe6 22.Rff1 Rd8 23.Qa5 b5 24.Rf8 Rf8.

7.fe5 Ng4 8.Bc3 Nge5 9.Ba5 Na5 10.Be2 Nf3 11.Bf3 Qh4 12.g3 Qe7 13.Nc3 c6 14.0-0 0-0 15.Rf2 Nc4 16.Be2 d5 17.Bc4 dc4 18.Qh5 Re8 A) 19.Ne2 Be6 (19...f6 20.Qh4 b5 21.Nc3 Be6 22.Qh5 a5 23.Qh4 Rad8 24.Qf4 b4) 20.Nf4 Bd7 21.Ne2 Rad8 22.Raf1 f6 23.Qa5 Bh3 24.Rb1 Qe4; B) 19.a4 Be6 20.Raf1 Rad8 21.a5 b5 22.ab6 ab6 23.Qf3 Qc7 24.Rb1 Rd7; C) 19.Raf1 Be6 20.Ne4 f6 21.Rf4 Rad8 22.Rh4 h6 23.a4 Qf7 24.Qa5 b6; D) 19.Rc1 Be6 (19...b6 20.Qf3 Be6 21.Ra1 Qd7 22.Rb1 b5 23.Ne4 Bd5 24.Nc5 Bf3; 19...b5 20.Rcf1 Be6 21.a4 b4 22.Ne2 b3 23.Nf4 Rab8 24.cb3 cb3) 20.a4 Rad8 21.Rcf1 Rd7 22.a5 Red8 23.Rd1 Qa3 24.Qe5 Re7; E) 19.Rb1 b6 (19...Be6 20.Ne4 h6 21.Nc5 Bc8 22.Rbf1 f5 23.Na4 Bd7 24.Nc3 Qa3) 20.a4 Be6 21.Qf3 Qd7 22.Qf4 Rad8 23.a5 b5 24.Ne4 Qe7.

7.fe5 Ne5 8.Ne5 de5

9.Qf3 Qd6 10.Qg3 Ne4 11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Bd7 16.Nb1 c6=+ (16...Rad8 17.d4 Bc6 18.Be2 Re7 19.h4 Be4 20.c4 c5 21.d5 b5; 16...Bf5 17.Ra2 a6 18.d4 b5 19.Bd3 Be6 20.Rb2 Rad8 21.c3 Rd6) 17.Bc4 Bf5 18.Bb3 Rad8 19.d3 Rd6 20.e4 Bb6 21.Kf3 Bd4.

9.Qf3 Qd6 10.Qg3 Ne4 11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Bd7 16.Bd3 Re5 (16...Bc3 17.dc3 Bc6 18.Rhe1-/+ Rad8 19.Rad1 Rd5 20.Rb1 a6 21.Re2 Ra5; 16...Bc6 17.Rhe1 Bc3 18.dc3 Rad8 19.Rab1 a6 20.Rb4 Rd5 21.Rd4 Rc5) 17.Rab1 (17.Nb1 Rae8=+ 18.Ra2 b5 19.Rb2 c5 20.Bb5 Rb8 21.c4 a6; 17.Rad1 Bc3 18.dc3 Bc6 19.Rhe1 Ra5 20.Ra1 Re8 21.g3 Rc5) 17...Bc3-/+ 18.dc3 Bc6 19.Rb4 (19.Rhe1 Rae8-/+ 20.h3 a6 21.g4 h5) 19...Rae8 20.Rhb1 (20.Re1 Rc5-/+ 21.Rb3 a5) 20...Re3 21.Rb7 Bb7 22.Rb7 a6 (22...a5 23.Bb5 c6 24.Bc6 Re2 25.Kf1 Re1 26.Kf2 R8e2 27.Kf3-/+) 23.Rc7 (23.Ra7 R3e6-/+) 23...R3e7 24.Rc6 Re6 25.Ra6 Ra6 26.Ba6 Ra8 27.Bd3 Ra3 28.c4 Kf8 29.Ke3 Ra1 (29...Ke7 30.c5-/+) 30.Be4 (30.c5 g6-/+) 30...Ke7 31.Bd5 (31.c5 g6-/+) 31...Ra3 (31...Rd1 32.Ke2 Rh1 33.h3-/+) 32.Kd4 Ra4 33.Kd3 f5 34.c5 g5 35.c4 Ra1 36.Kd4 Re1 37.Kd3 (37.Bf3 h5-/+) 37…h5 0–1. pvanr (2120) – misterija (2440), gameknot.com, 2013.

9.Qf3 Qd6 10.Qg3 Ne4 11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Be6 16.Nb1 (16.Rb1 Rad8 17.Bd3 c5 18.Rb7 c4 19.Be4 Rd2 20.Ne2 Bb6 21.Bc6 Rc8; 16.Bd3 Rad8 17.Rab1 c5 18.Rb7 c4 19.Be4 Rd2 20.Ne2 Bg4 21.Bf3 Bf3) 16...c5 17.Bb5 Red8 18.Ke2 Rd6 19.h3 Rad8 20.c3 a6 21.Ba4 Bc4.

9.Qf3 Qe7 10.Qg3 Bf5 11.Qe5 (11.Be2 Bc2 12.0-0 Bg6-/+) 11...Qe5 12.Be5 Bc2 13.Nc3 c6 (13...0-0-0 14.Rc1 Bg6 15.Be2-/+) 14.Be2=+ Ke7 15.Rc1 Bg6 16.0-0 Rad8 17.d4 Rhg8 18.Bf3 Nd7 19.Bg3 Nf6 20.Be5 Nd7 21.Bg3 Bd3 (21...Rge8 22.d5 Bb6 23.Kh1=+) 22.Rfd1= Ba6 23.Ne4 f5 (23...Bb6!?=) 24.Bh4 Nf6 25.Nc5 g5 26.Bf2 g4 (26...Ne4 27.Na6 ba6 28.Rc6 Nf2 29.Kf2+=) 27.Bc6!+– bc6 28.Na6 Rc8 (28...Kf7 29.Rc5 Rd5 30.Rc6 Ne4+–) 29.Nc5 (better 29.Rc5 Bd8 30.Rf5+–) 29...Nd5+= 30.Rf1 Nc3? (better 30...Rgf8+=) 31.Bh4+– Kf7 (31...Ke8 32.Kh1 Ne4 33.Rf5 Nc5 34.Rfc5 Bd2+–) 32.Rf5 Kg6 33.Rcf1 (33.Rcf1 h6 34.Ne6 Ne2 35.Kh1+–) 1–0. pcmvr – mgilbert, net–chess.com (1), 2019.

9.Qf3 Qd5 10.Qg3 Ne4

11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Re5 16.Bd3 Bc3 17.dc3 Bd7 18.Rhd1 Bc6 19.Be2 Rae8 20.Rd3 Bb5 21.Rd2 Be2 22.Re2 a6 A) 23.Kf3 b6 (23...Kf8 24.Rb1 b6 25.g4 h5 26.gh5 Rh5 27.e4 Re6 28.Kg2 Rg6) 24.e4 f5 25.Rae1 h6 26.c4 fe4 27.Re4 Rf8 28.Kg3 Rg5; B) 23.c4 Rf5 24.Kg1 Rc5 25.Rd1 Rc4 26.Kf2 b5 27.Rd4 Rd4 28.ed4 Re2; C) 23.Rb1 b6 24.Rb4 Rf5 25.Kg3 Ra5 26.a4 Rc5 27.e4 f5 28.Kf4 fe4; D) 23.Rae1 Rd8 (23...Rf5 24.Kg3 Ra5 25.Ra1 h6 26.c4 Rc5 27.Rb1 b6 28.Rb4 a5; 23...f5 24.Rd2 f4 25.Rde2 fe3 26.Re3 Re3 27.Re3 Re3 28.Ke3 Kf7) 24.Rb1 b6 25.e4 Rde8 26.Kf3 f5 27.Rbe1 Kf7 28.c4 Kf6; E) 23.Rd1 Rf5 24.Ke1 Ra5 25.Rd7 Ra3 26.Rc7 b5 27.Rf2 Rf8 28.Rd2 g6.

11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Re5 16.Bd3 Bc3 17.dc3 Bd7 18.Rhd1 Bc6 19.Be2 Rae8 20.Rd3 Bb5 21.Rd2 Be2 22.Re2 b6 23.c4 Rc5 (23...Rd8 24.Rb1 Rc5 25.Rb4 a5 26.Ra4 Re5 27.c5 Rc5 28.Rd4 Rf5; 23...Rf5 24.Kg3 Rc5 25.Rd1 Rc4 26.Kf3 Ra4 27.Rd3 c5 28.e4 b5) 24.Rd1 Rc4 25.Rd7 f5 26.h3 a6 27.Kf3 h5 28.Red2 g6.

11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Re5 16.Bd3 Bc3 17.dc3 Bd7 18.Rhd1 Bc6 19.Be2 Rae8 20.Rd3 Bb5 21.Rd2 Be2 22.Re2 g6 23.Rd1 (23.c4 f5 24.Rb1 b6 25.Rd1 Kf7 26.Rd3 c5 27.Red2 Re4 28.Rc3 h6; 23.Rb1 b6 (23...Rf5 24.Kg3 b6 25.e4 Rfe5 26.Kf3 f5 27.Rbe1 Kf7 28.c4 fe4) 24.g4 c6 25.h3 g5 26.c4 Kg7 27.Rd1 Ra5 28.Rd3 Re4; 23.Kf3 a6 (23...Rf5 24.Kg3 Rc5 25.Rb1 b6 26.Kf3 f5 27.Rb3 a5 28.g4 fg4; 23...f5 24.Rd1 Kf7 25.c4 c5 26.Rd7 R8e7 27.Re7 Ke7 28.g4 Re4) 24.c4 f5 25.Rd1 Kf7 26.Rd3 Re4 27.c5 R8e7 28.c3 Ra4) 23...R8e6 (23...Rf5 24.Ke1 Ra5 25.Rd7 Ra3 26.Rc7 b6 27.Rf2 Ra1 28.Ke2 f5; 23...Ra5 24.Rd7 Rc8 25.e4 Ra3 26.Re3 Ra2 27.Rf3 Rc2 28.Kf1 f6) 24.Ree1 (24.Rd7 Rc6 25.Rd3 Rec5 26.c4 Rc4 27.Rb3 b6 28.Rb2 Rf6) 24...Rc6 (24...Ra6 25.Rb1 Ra3 26.Rb7 Rc3 27.Ra7 Rf5 28.Kg3 Rc2) 25.Rd3 Rec5 (25...b5 26.Kf3 a6 27.Ke2 f5 28.Rf1 Rc4) 26.Rb1 b6 (26...Rc3 27.Rc3 Rc3 28.Rb7 Rc2) 27.Rb3 Rf6 (27...a5 28.Ke2 a4) 28.Ke2 (28.Kg1 Rd6) 28...Rcf5 29.Rd7 Rf2 30.Kd3 Rg2 31.h3 Rc6 32.Rb4 Rg1 33.Kd2 Rf1 34.Ra4 a5 35.Rad4 h5 36.Ke2 (36.h4 Kf8–+) 36...Rh1 (36...Ra1 37.Rf4=+) 37.Rf4-/+ f5 (37...f5 38.Rfd4 Rh2 (38...Rc3?! 39.Re7 Rh2 40.Ke1=) 39.Ke1 Rh3-/+ (39...Rc3?! 40.Re7 Rh1 41.Ke2 Rc2 42.Kd3=); 37...Rc3?! 38.Rff7 Rh2 39.Kd1 Rh3 40.Rg7 Kf8 41.Rgf7 Ke8 42.Rfe7 Kf8 43.Rf7 Kg8 44.Rg7 Kf8 45.Rgf7=) 0–1. pcmvr (2765) – davidswhite, net–chess.com, 2014.

11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Bc3 15.dc3 Re8 16.Kf2 Re5

17.Rb1 Rf5 (17...b6 18.Bc4=+ (18.Bd3 Bb7 19.Rhe1 Rae8 20.Rb4 Bd5 21.Rh4 h6 22.c4 Be6 23.h3; 18.Rd1 Be6 19.Bd3 Ra5 20.Ra1 Rc5 21.c4 Bc4 22.Rhd1 Re8 23.Rac1; 18.Be2 Bf5 19.Bf3 Rae8 20.Bc6 Rf8 21.Rb5 Rb5 22.Bb5 Bc2 23.Rc1) 18...Bf5 19.Rbd1 Rae8 20.Rd2 Rc5 21.Bd3 Be6 22.h3 Rc3 23.a4; 17...Ra5 18.Rb3 b6 19.Bd3 Be6 20.c4 Rd8 21.h3 h5 22.Rd1 Rd6 23.Rdb1) 18.Kg3 (18.Ke1 Rc5 19.c4 Re5 20.Kf2 b6 21.Bd3 Bb7 22.Rhe1 Rae8 23.c3) 18...b6 (18...Ra5 19.Rb3=+ (19.Bc4 Ra3 20.Rhf1 Be6 21.Be6 fe6 22.Rb3 Rb3 23.cb3) 19...b6 20.c4 Bb7 21.Rg1 Re8 22.Be2 Rae5 23.Kf2) 19.Be2 Bb7 (19...Rc5 20.Bf3 c6 21.Rhd1 Bf5 22.e4 Be6 23.Rd3) 20.Rb5 (20.Bf3 Bf3 21.gf3 Ra5-/+ 22.Rb3 Rd8 23.e4) 20...Rf6 (20...Bd5 21.Bf3 c5 22.e4 Rg5 23.Kf4) 21.Bf3 Bf3 22.gf3 Rg6 (22...Rc6 23.Rb3-/+; 22...Rd6 23.Re5) 23.Kf4 Rc6 24.Rb3 Rd8 25.h4 (25.e4 Rcd6-/+) 25...Rd2 26.e4 Rc2 27.Rd1 g6 28.Rd3 (28.Rd8 Kg7 29.Rd3 Rf6 30.Kg3 c5-/+) 28...Kg7 (28...Rf6 29.Kg4-/+) 29.Kg4 (29.Kg3 a5-/+) 29...h5 30.Kg3 Rc4 31.Kf4 (31.e5 a5–+) 31...a6 (31...c5 32.Re3–+) 32.Kg3-/+ b5 0–1. marekt (2155) – pvanr (2225), gameknot.com, 2014.

17.Bc4 A) 17...c6 18.Rhd1 (18.Rab1 b6 19.Rhd1 Bf5 20.Rd6 Bc2 21.Rb2 Be4 22.Rd7 Bg6 23.Rbd2; 18.Rad1 Bf5 19.Rd6 Rae8 20.Rb1 Bc8 21.Re1 Ra5 22.Ra1 Rf5 23.Kg1) 18...Bf5 19.Rd6 Rae8 20.Bd3 Bd3 21.Rd3 b6 22.Rad1 Re4 23.h3; B) 17...Bg4 18.Rab1 (18.h3 Bf5 19.Bd3 b6 20.Rhd1 Rae8 21.Rab1 Be4 22.Be4 Re4 23.Rd7; 18.Bd3 Rd8 19.h3 Be6 20.Rhd1 Rd6 21.Rab1 b6 22.c4 Ra5 23.Ra1) 18...b6 19.h3 Bf5 20.Bd3 Rae8 21.Rhd1 Be4 22.Be4 Re4 23.Rd7; C) 17...Bf5 18.Bd3 (18.Rhd1 Rae8 19.Bd3 a6 20.Bf5 Rf5 21.Ke2 b5 22.Rd3 Rh5 23.h3; 18.Rab1 b6 19.Rbd1 Rae8 20.Rd2 Rc5 21.Bd3 Be6 22.h3 Rc3 23.a4) 18...Rae8 19.Rab1 b6 20.Rhe1 c5 21.Rbd1 Kf8 22.Bb5 Rc8 23.Rd2.

17.Rd1 A) 17...Rf5 18.Kg3 (18.Ke1 Be6 19.Bd3 Ra5 20.Ra1 Re8 21.Kd2 Bd5 22.Rhg1 b5 23.Rgb1) 18...Be6 19.Bd3 Rc5 20.Be4 Rc3 21.Rd3 Rc2 22.Bb7 Re8 23.Rhd1; B) 17...Bf5 18.Bd3 Rae8 19.Rhe1 b6 20.Rd2 Be6 21.h3 Rc5 22.Red1 Rc3 23.a4; C) 17...Be6 18.Bd3 Ra5 19.Ra1 Rc5 20.Rab1 b6 21.c4 Bc4 22.Rhd1 Re8 23.Rbc1.

17.Bd3 Bd7=+ 18.Rab1 (18.Rhe1 Bc6 19.g3 Rd8 20.Rad1 Rd6 21.e4 Kf8 22.h3 Rh6 23.h4; 18.g3 Rae8 19.Rhe1 Be6 20.Rab1 b6 21.Bb5 Rf5 22.Kg1 Rd8 23.Red1) 18...Bc6 19.h3 Rae8 20.Rhe1 R8e6 21.Re2 Rc5 22.Rb3 a5 23.c4.

17.Be2 Bf5 18.Bf3 Rae8 19.Bb7 Re3 20.Rhe1 Re1 21.Re1 Re1 22.Ke1 Bc2 23.g4.

17.h3 A) 17...Be6 18.Bd3 (18.Rb1 b6 19.Bd3 Ra5 20.Ra1 Rc5 21.Rhd1 Rc3 22.a4 f5 23.Rd2; 18.c4 Re8 19.Bd3 b6 20.Rab1 c5 21.Rbd1 h5 22.Rhe1 h4 23.Rd2) 18...Re8 19.Rab1 b6 20.Rhd1 Rc5 21.Rb4 Rc3 22.Ra4 a5 23.Ke2; B) 17...Rc5 18.c4 (18.Bd3 Rc3 19.Rhb1 Rb8 20.g4 Be6 21.Ke2 b5 22.Kd2 Rc5 23.Rb4) 18...Be6 19.Rb1 b6 20.Bd3 Bc4 21.Rhd1 Re8 22.g4 Bd3 23.cd3; C) 17...Rf5 18.Kg3 (18.Ke1 Bd7 19.Bd3 Re5 20.Kf2 Bc6 21.Rhe1 Rd8 22.Rad1 Rd6 23.e4) 18...Be6 19.Bd3 Rc5 20.Rab1 b6 21.c4 Bc4 22.Rhd1 Re8 23.e4; D) 17...b6 18.Rd1 (18.Bd3 Bb7 19.Rhe1 Rae8 20.Rab1 R8e6 21.Rb4 c5 22.Ra4 Rf6 23.Kg1; 18.Bc4 Bf5 19.Rhd1 Rae8 20.Rd2 h5 21.Re1 Rc5 22.Bd3 Be6 23.a4) 18...Be6 19.Bd3 Ra5 20.Ra1 Rc5 21.Rhd1 Rc3 22.a4 f5 23.Rd2; E) 17...Bd7 18.Bd3 (18.Rb1 Bc6 19.Bd3 Rae8 20.Rhe1 a6 21.g3 R5e6 22.e4 Rf6 23.Ke3) 18...Rae8 19.Rhe1 Bc6 20.Rab1 R8e6 21.Re2 a6 22.Rb3 Kf8 23.Rb4.

5.a3 Bc5

6.e3 Nf6 7.fe5 de5 8.Ne5 Ne5 9.Be5 0-0 10.Nc3 (10.Qf3!? Nd7 11.Bf4=) 10...Re8-/+ 11.Bf4 Bd4 12.Bc4 Bg4 13.Qb1 Bc3 14.dc3 Ne4 15.0-0 Nd2 16.Qa2 Qe7 17.Rfe1 Nc4 18.Qc4 c6 19.e4 Rad8 20.a4 Qf6 21.Rf1 Qg6 22.Rae1 h5 23.Kh1 h4 24.h3 Bc8 25.Qe2 b6 26.Bc1 Bb7 27.Rf4 c5 28.Rg4 Re4 29.Rg6 (29.Re4 Be4 Combination) 29...Re2 30.Re2 Rd1 31.Kh2 fg6 (worse is 31...Rc1 32.Rd6 Ba6 33.Re8 Kh7 34.Re5+/–) 32.Bf4 Bc6 33.Re7 Ba4 34.Ra7 Bc2 35.Bg5 Rd3 36.Ra3 b5 37.Bh4 b4 38.Ra8 Kh7 39.cb4 cb4 40.Ra7 Kh6 41.Be7 b3 42.Bf8 Kg5 43.Bg7 Kf4 44.Re7 Rd5 45.Bh6 g5 46.Rb7 Ke4 47.Bg7 Ke3 48.Re7 Kd2 49.Re5 Re5 50.Be5 Kd3 51.Kg3 Ke4 52.Bb2 ½–½. pvanr (1780) – whiskeyrebel (2055), gameknot.com, 2012.

6.e3 Nf6 7.fe5 de5 8.Ne5 Ne5 9.Be5 Qe7 10.Bf6 Qf6 11.d4 Bd6 12.Qf3 Qf3 13.gf3 f5 14.Nd2 c6 15.Nc4 Bc7 16.f4 Be6 17.Rg1 Kf7 (17...g6 18.Ne5=) 18.Ne5 Kf6 19.Kf2 g6 20.Bg2 Rab8 21.Rab1 Rhd8 22.h4 Be5 23.fe5 Kf7 24.Kg3 Bd5 25.Kf4 Bg2 26.Rg2 c5 (26...b5 27.h5+–) 27.c3 b6 28.h5! Rbc8 (28...gh5 29.Kg5 Double attack (29.Kf5 Deflection; 29.Kg5 Decoy)) 29.Rh1 Kg7 30.hg6 hg6 31.Rgh2 Rh8? (better 31...Kf7+–) 32.Rh8 Rh8 33.Rh8 Kh8 34.e6 Kg7 35.Ke5 1–0. pcmvr – carrafurca, net–chess.com, 2018.

6.e3 Bg4 7.Be2 f6 8.0-0 Nge7 (8...e4 9.Nh4 Be6 10.f5=+) 9.Ne1 (9.Ne5 Be2 (9...Ne5?! 10.Bg4 Ng4 11.Qg4=) 10.Nc6 Bd1 (worse 10...bc6 11.Qe2 Rb8 12.Qh5 Ng6 13.f5 Rb2 14.fg6+=) 11.Nd8 Bc2=+) 9...Be2-/+ 10.Qe2 0-0 11.Nd3 Bb6 12.Nc3 (12.fe5 de5 13.Qg4 f5 14.Qc4 Qd5 15.Qd5 Nd5-/+) 12...Qd7 (12...f5 13.fe5 de5 14.Rab1-/+) 13.Rab1 (13.Qh5 f5-/+) 13...d5 14.Na4 Qd6 15.f5 (15.fe5 fe5 16.Nb6 ab6-/+) 15...Nd8 (15...e4 16.Nf4-/+) 16.Nb6 ab6 (16...Qb6?! 17.Be5 Qc6 18.Bd4=) 17.Nb4 (17.e4 Nf7-/+) 17...Nf7 18.d3 Rfd8 19.Rf2 (19.e4 de4 20.Qe4 c5-/+) 19...c6 (19...b5 20.e4-/+) 20.e4 (20.c4 dc4 21.dc4 c5–+) 20...b5 21.Rf3 de4 22.de4 Qc5 23.Re3 (23.Kh1 Qc4 24.Rd3 c5 25.Rd8 Rd8-/+) 23...Nc8 (23...Nd6 24.Nd3 Qa7 25.Kh1–+) 24.Nd3-/+ Qa7 25.Bc1 (25.Kh1 Ncd6–+) 25...Ncd6 26.Nf2 (26.Kh1 Nc4 27.Rh3 Qd4–+) 26...Ng5 (26...Nc4 27.Reb3–+) 27.Kh1 Nc4 (27...b6 28.Rd3-/+) 28.Rd3 (28.Rg3 Qc5-/+) 28...Nf7–+ 29.Rh3 Rd7 30.Rbb3 Rad8 31.Rhd3 (31.Rbd3 Nfd6–+) 31...Rd4 (31...Nfd6 32.Qf3–+) 32.h4 (32.Be3 Ne3 33.Qe3 Nd6–+) 32...b6 (32...Qa5 33.h5-/+) 33.Rg3 (33.h5 Qa5–+) 33...R4d7 (33...Qd7 34.Kh2–+) 34.h5 h6 35.Rg6 (35.Qg4 Ng5–+) 35...Kh7 36.Rbg3 Nh8 37.Bh6 (37.R6g4 Qa4-/+) 37...Ng6 38.hg6 Kg8 39.Bg5? (39.Bc1 Qa5–+) 39...Kf8 (39...fg5 40.Qh5 Kf8–+ (40...Na3 41.Rh3 Kf8 42.Qg5 Rd1 43.Kh2+–)) 40.Qh5 (better 40.Bc1–+) 40...Ke7 (40...fg5 41.Rd3 Re8 42.Ng4 Rd3 43.Qh8 Ke7 44.Qg7 Kd6 45.Qa7 Ra3 46.Qf7+–) 41.Bf6 gf6 42.Rd3 Rd3 (42...Rf8!? 43.Qh7 Ke8 44.Rd7 Qd7=+) 43.Qh7+= Kf8 44.Qh8 (44.Qa7 R3d7 45.Qa6 Kg7+=) 44...Ke7 45.Qg7 Ke8 46.Qa7 R3d7 47.Qa6 Kf8 (47...Ke7 48.Nd3+–) 48.g4 (48.a4!?+–) 48...Kg7+= 49.g5 fg5 50.a4 Rc7 51.ab5 cb5 52.Qb5 Rd2 53.Ng4 Attacks the isolani on e5 53...Rd1? (better 53...Rc2!? 54.Ne5 Ra7=) 54.Kg2+– Rd8 55.Qa4 (55.Ne5?! Rc5 56.f6 Kh6 57.Ng4 Kg6+–) 55...Nb2 56.Qb3 Rd2 57.Kg3 (57.Kh3 Nc4+–) 57...Nc4 58.Qa2 Rdd7 59.Qa4 Rd8 60.Qa1 (60.Qa1 Kg8 61.Qh1+–) 1–0. Montalvo Torres,Juan (2030) – Nenciulescu,Silviu (2040), IECG, 2008.

6.e3 Bg4-/+ 7.Be2 f6 8.d4 Bb6-/+ 9.Qd3 (9.h3 Bf5-/+) 9...ed4 (9...Nge7 10.0-0-/+) 10.ed4 Qd7 11.d5 (11.0-0 Nge7-/+) 11...Nce7 12.Nc3 a6 (12...Nh6 13.Rb1-/+) 13.Qc4 (13.Rb1 Nh6-/+) 13...Nf5 14.Bc1 Nge7 15.Rb1 (15.Qe4 0-0-/+) 15...0-0 16.Bd2 Rfe8 17.Qd3 Ng6–+ 18.Ne4 Nfh4 19.Nh4 Be2 20.Ke2 Re4! 21.Kd1 Rd4 22.Qf5 Qf5 23.Nf5 Rd5 24.Rb6 cb6 25.g4 Re8 26.Re1 Re1 27.Ke1 Rc5 28.Nd6 Rc2 29.Nb7 Nh4 30.Kd1 Rc7 31.Nd6 Rd7 32.Nc4 Rd4 33.Ne3 Nf3 34.Nf1 Nd2 35.Nd2 Rf4 (36.h3 h5 37.gh5 Rh4–+) 0–1. Waibel,Ulrich – Scherfke,Frank, compuserve, 1997.

6.e3 Bg4-/+ 7.Be2 f6 8.Ne5 Be2 (< 8...Ne5 9.Bg4 Ng4 10.Qg4+=) 9.Nc6 Bd1 (9...bc6?! 10.Qe2 Rb8 11.Ra2=) 10.Nd8 Bc2-/+ (< 10...Rd8 11.Kd1 d5 12.Re1=).

6.e3 Bg4-/+ 7.Be2 Qf6 8.Nc3 Bf5 9.Nd5 =.

6.e3 Bg4 7.h3 Bd7 8.fe5 de5 9.Bb5 Bd6 10.0-0 Nf6 11.Nc3 e4 12.Ng5 Qe7 13.Bc4 Nd8 (13...0-0 14.Rb1 Ne5 15.Rf6 Qf6 16.Nce4-/+) 14.d3 Qe5 15.Rf6 (15.Nge4 Ne4 16.de4 Qh2 17.Kf2 Bg3 18.Kf3 Ne6–+) 15...Qf6 16.Nge4 Qg6 17.Nd5 Bc6 18.Qf3 Ne6 19.Nd6 cd6 20.e4 b5 21.Bb3 Bd5 22.ed5 Nc5 23.Re1 Kd7 24.d4 Na6 (24...Nb3 25.Qe2 (25.cb3? Rhe8 26.Bc3 Re1 27.Be1 Re8–+) 25...Nd2 26.Qb5 (26.Qd2? Rhe8–+) 26...Kd8 27.Qa5 Kd7 28.Qb5 (worse is 28.Qd2 Rhe8-/+) 28...Kd8 29.Qa5 Kd7 30.Qb5= (worse is 30.Qd2 Rhe8-/+)) 25.a4+= Rhe8 26.Rf1 b4 27.Bc4 Nc7 (27...Qc2 28.Qf7 Kd8 29.Bb5 Kc8 30.Qe8 Kb7 31.Ba6 Kb6 32.Qb5 Kc7 33.Rf7 Kd8 34.Qd7) 28.Bd3 Qg5 29.Bc1 Qd5 30.Qg4 Kd8 31.Rf5 Qe6 32.Qg7 Qg6 33.Bg5 Kc8 34.Qf7 Rb8 35.Qc4 White intends d5 35...Qe6 36.d5 Qe1 37.Kh2 Qc3 38.Qg4 Kb7 (38...h5 39.Qh5 Kb7 40.Qh4+–) 39.Bf6 Qc5 40.Bd4 Qa5 41.Rf7 Qa4 42.Rh7 Rg8 43.Qe6 Rbd8?? (better is 43...Rgd8+–) 44.Qe7 Qa5 45.Bb5 Kb8 (45...Rgf8 46.Bc6 Kc8 47.Be3+–) 46.Bc6 Kc8 (46...Rc8 47.Qd6 Rg5 48.Qd7 Rd5 49.Bd5 Qd5 50.Ba7 Kb7 51.Qd5 Ka7 52.Qc6 b3 53.cb3 Kb8 54.Qb6 Ka8 55.Rh4 Na6 56.Ra4 Rc7 57.Ra6 Ra7 58.Ra7) 47.Rf7 Kb8 48.h4 Kc8 (48...Rc8 49.Qd6 Rgd8 50.Qe7 Rd5 51.Bd5 Qd5 52.Be5+–) 49.h5 Kb8 (49...Rde8 50.Be8 Re8 51.Qd6 Kb8+–) 50.h6 (50.h6 Rc8 51.h7+–) 1–0. pvanr (1955) – rdevault (2070), gameknot.com, 2012.

6.e3 Bg4 7.h3 Bd7 8.fe5 de5 9.Bb5 Nge7 10.Nc3 f5 11.Qe2 Ng6 12.h4 Bd6 13.h5 Nge7 14.h6 gh6 15.0-0-0 Ng6 16.d4 e4 17.Ne5 a6 (worse is 17...Nce5 18.de5 Ne5 19.Qh5 Nf7 20.Qf5+=; 17...Be5 18.de5 Qb8 19.Rh6=) 18.Bc6 Bc6 19.Nc6 bc6 20.Rh6 Qe7 21.Qc4 Kd7 22.Rdh1 Ba3 23.Ba3 Qa3 24.Kd2 Raf8 25.Rh7 Rh7 26.Rh7 Ne7 27.Na4 Ke8 28.Qa6 Qb4 29.c3 Qb8 30.Nc5 Qb2 31.Ke1 Qc1 32.Kf2 Qd2 33.Kg1 Qe3 34.Kh2 Qf4 35.g3 Qd6 36.Qa8 Qd8 37.Qa2 Qd5 38.c4 Qd6 (38...Qd4? 39.Ne6 Rh8 40.Nd4 Rh7 41.Kg2+–) 39.Qa8 Qd8 40.Qd8 Kd8 41.Ne6 Ke8 42.Nf8 Kf8 43.Kg2 Ke8 44.Kf2 Kd7 45.Ke3 Ke6 46.Rh6 Kd7 0–1. Rooijen Van,Peter (1655) – Zonneveld,Will, OP–2009–0-01036, 2010.

6.e3 Nh6 7.Be2 0-0 8.fe5 de5 9.Ne5 Ne5 10.Be5 Re8 11.Bb2 Qh4 12.g3 Qh3 13.Bf1 Qe6 14.Nc3 Qc6 15.Rg1 Bg4 16.Be2 Rad8 17.Bg4 Be3! 18.de3 Rd1 (18...Re3?! 19.Be2 Rd1 20.Nd1-/+) 19.Bd1 Nf5 20.Be2 Ne3 (20...Re3?! 21.0-0-0 Re8 22.Rd2=) 21.Rb1 Nc2 22.Kd2 Nd4 23.Rgf1 Qg6 (23...Qg6 24.Bd3 Qh6 25.Kd1 Qh5 26.Kc1 Qh2–+) 0–1. Montalvo Torres,Juan (2030) – Muhl,Patrick (2005), IECG, 2008.

6.fe5 de5 7.Ne5 Ne5 8.Be5 Qg5 9.Bc7?? Qf6–+ 10.e3 Qa1 11.Bb5 Bd7 12.Bd7 Kd7 13.Bg3 (13.Ba5 Qe5–+) 13...Nf6 14.0-0 Qb2 15.c3 Rad8 (15...Kd8 16.Be5 Be7 17.Qa4–+) 16.d4 (16.Be5 Ke8–+) 16...Ke8 17.Qa4 (17.c4 Be7–+) 17...b5 18.Qa6 Bb6 19.Qb7 Qe2 20.Qc6 (20.Bh4 Qe3 21.Kh1 Kf8–+) 20...Rd7 21.Qc8 (21.e4 Ba5–+ (21...Ne4?! 22.Re1 Ng3 23.Re2 Ne2 24.Kf1–+)) 21...Bd8 22.Re1 Qc4 (22...Qd3 23.Bh4 Ne4 24.Bd8 Rd8 25.Qc6 Kf8 26.Qc7–+) 23.Qb8 Qd5 24.Qf4 Ne4 25.h3 Bc7 26.Qg4 f5 27.Qf3 Bg3 (28.Rf1 Rf8–+) 0–1. Pereira,Stephen – Scherfke,Frank, compuserve, 1997.

6.fe5 de5 7.Ne5 Ne5 8.Be5 Qg5 9.Bg3 =+.

6.fe5 de5 7.Ne5 Qh4 8.g3 Qf6 =+.

6.e3 f6

7.Nc3 Nge7 8.fe5 fe5 9.Bd3 0-0 10.0-0 h6 11.Ne4 Bb6 12.c4 Be6 13.Qb3 Nf5.

7.fe5 de5 8.Bc4 Bg4 (8...Bf5 9.Nh4 Qd7 10.Nf5 Qf5 11.Nc3 Nge7 12.Bd3 Qg5 13.0-0 f5; 8...Qe7 9.Nc3 Be6 10.Qe2 0-0-0 11.0-0 Bb6 12.Bb5 Nh6 13.Bc6 bc6; 8...Qd7 9.0-0 Na5 10.Ba2 Qb5 11.Bc1 Bg4 12.h3 Bf3 13.Qf3 Qc6; 8...Nh6 9.Nc3 Nf7 10.0-0 0-0 11.Ne4 Be7 12.Qe2 Kh8 13.d4 Nd6) 9.h3 Bh5 10.Nc3 (10.0-0 e4 11.g4 Bg6 12.Ng5 Qd6 13.Ne6 Qg3) 10...Qe7 (10...f5 11.Be2 Bf3 12.Bf3 Qh4 13.Kf1 Nf6) 11.Nd5 Qd6 12.d4 ed4 (12...Bb6 13.Nb6 ab6) 13.ed4 Qg3 14.Kf1 Bd6 15.Nc3 0-0-0 0–1. Rooijen van,Peter (1655) – Bujdak,Pavol (1850), IECG, 2010.

7.fe5 fe5 8.Nc3 Nf6 (8...Nge7 9.Bd3 0-0 10.0-0 h6 11.Ne4 Bb6 12.c4 Be6 13.Qb3 Nf5; 8...d5 9.Bb5 Nge7 10.Na4 Bd6 11.c4 e4 12.c5 ef3 13.Qf3 Rf8; 8...Bd7 9.Na4 Qe7 10.Bb5 e4 11.Nc5 ef3 12.Nd7 fg2 13.Bc6 gh1Q; 8...Bg4 9.h3 Bh5 10.Ne4 Bb6 11.Ng3 Nf6 12.Bc4 d5 13.Bb5 0-0) 9.Na4 Bb6 10.Bc4 d5 11.Bb5 0-0 12.0-0 Bg4 13.Bc6 bc6.

7.fe5 fe5 8.Bc4 e4 9.Nd4 Bd4 10.Qh5 g6 11.Qd5 (11.Qd5 Qh4 12.g3 Bb2 13.gh4 Ba1 14.Qf7 Kd8 15.Qf8 Kd7 16.Nc3 Bc3 17.dc3+=) 1–0. Rooijen Van,Peter (1675) – Seris_Granier,Manuel Angel, SC–2012–0-00143, 2012.

7.fe5 fe5 8.Bc4 e4 9.Nd4 Nd4 10.Bd4 Qh4 11.g3 Qg5 12.Bc5 Qc5 13.Bg8 Rg8 14.0-0 Bh3 15.Rf4 Rf8 16.Re4 Kd7 17.Nc3 Rf1 18.Qf1 Bf1 19.Rf1 Re8 (worse is 19...Qa3 20.Rf7 Kd8 21.Nd5 Qc1 22.Rf1 Qd2 23.c4+/–) 20.Rf7 Kd8 21.Re8 Ke8 22.Rg7 Qa3 23.Rc7 Qc1 24.Kf2 Qd2 25.Ne2 a5 26.Rh7 b5 27.c3 a4 28.Ra7 Qb2 29.h4 a3 (29...a3 30.h5 Kf8–+) 0–1. Rooijen Van,Peter – Korinek,Jaroslav (1795), RC–2011–0-00082, 2011.

7.fe5 fe5 8.d4 Bb6 9.de5 Nh6 10.Nc3 Ng4 11.Nd5 Ba5 12.c3 Nce5 13.Be2 c6.

7.Nc3 ef4

8.d4 Bb6 9.ef4 d5 10.Na4 Nh6 11.Bb5 Qe7 12.Qe2 Bf5 13.Qe7 Ke7 14.0-0-0.

8.ef4 Bb6 9.Bc4 Nge7 10.Qe2 Kf8 11.Na4 d5 12.Bb3 Bg4 13.Nb6 ab6.

8.ef4 d5 9.d4 Bb6 10.Bd3 Nh6 11.Na4 Qe7 12.Qe2 Bf5 13.Kd2 Qe2.

8.ef4 Nge7 9.d4 Bb6 10.d5 Na5 11.Nd4 0-0 12.Ne6 Qe8 13.Qg4 g6.

8.ef4 Bg4 9.Bb5 Qe7 10.Kf1 0-0-0 11.Bc6 bc6 12.d4 Bb6 13.Qd3 d5.

8.ef4 Nh6 9.Bc4 Qe7 10.Kf1 Be6 11.Nd5 Bd5 12.Bd5 0-0-0 13.Qe2 Rhe8.

5.c3 Ba5

6.e3 e4 7.Nd4 Nd4 8.ed4 d5 9.Qh5 Nf6 10.Qe5 Qe7 11.Qe7 Ke7–+ 12.Ba3 Kd8 13.Be2 Bf5 14.g4 Ng4 15.Rg1 Nh6 16.Rg7 Bg6 17.Bh5 Bh5 18.Rg5 c6 19.Rh5 Ng4 20.Rf5 Ke8 21.h3 Nh6 22.Rh5 Ng8 23.c4 (23.Re5 Kd7 24.Rf5 f6–+) Bc7 ½–½. Kucharkowski,Jens – Zylla,Johannes, corr KMG–27, 1992.

6.e3 e4 7.Nd4 Nd4 8.ed4 d5 9.Qh5 Nf6 10.Qe5 Qe7 11.Qe7 Ke7 12.Ba3 Kd8 13.Be2 Bf5 14.g4 Ng4 15.Rg1 Nh6 16.Rg7 Bg6 17.Bh5 Bh5 18.Rg5 c6 19.Rh5 Ng4 20.Rf5 Ke8 21.h3 Nh6 22.Rh5 Ng8 23.c4 Bc7 24.Nc3N dc4 25.Ne4 Bf4 (25...Rd8 26.Kf2=+) 26.0-0-0= Rd8 (26...f6 27.Rf1 Bc7 28.d5=) 27.Rf1 (27.Re1 Kd7 (27...Rd4?? 28.Bb2 c3 29.Bc3+–) 28.Rf1 Bc7 29.Rf7 Kc8+–) 27...Bc7 (27...Bh2 28.Rg5 f6 29.Rg7 Rd4 30.Re1+–) 28.Rg5+= Ne7 (better 28...Rd4 29.Re1 Kd8+=) 29.d5?? (29.Re1 Kf8 30.Rf5+–) 29...Nd5-/+ 30.Re1 (better 30.Rg7!? Rd7 31.Re1-/+) 30...Kd7–+ 31.Rg7 Kc8 32.Rf7 Rd7 33.Rf5 (33.Ref1 Rhd8–+) 33...Nf4 (33...Rg8 34.Kb1–+) 34.Re3 Rd3 (34...Nd3 35.Kc2–+) 35.Kc2 (35.Rf7 h6–+) 35...Re3 36.de3 Nh3 (36...Nd5!? 37.Kd2–+) 37.Rf7 (37.Bd6 Re8 38.Rf7 Bd8–+ (38...Re4?! 39.Rc7 Kd8 40.Rh7=+)) 37...h5 38.Bd6 Bb8 39.Bb8 (39.Rf3 Re8 40.Nf6 Ng1–+ (40...Bd6? 41.Ne8 Be7 42.Rh3+–)) 39...Kb8 40.Nd6 (40.Nc5 b5 41.Na6 Kc8 42.Rc7 Kd8 43.Ra7–+) 40...b5 41.Rb7 Ka8 42.Rc7? (42.Rg7 Nf2 43.Nf7 Rf8–+) 42...Nf2 43.a4 (43.Nf5 Kb8 44.Rf7 Nd3–+) 43...h4 44.ab5 h3 (better 44...cb5 45.Nb5 h3–+) 45.bc6 h2?? (better 45...Nd3 46.Kc3 Ne5–+) 46.Nb5 (46.Nb5 Ne4 47.Ra7 Kb8 48.Rb7 Kc8 49.Na7 Kd8 50.c7 Ke7 51.c8Q Kf6 52.Qc6 Kf5 53.Rf7 Kg4 54.Qe4 Kh5 55.Qd5 Kg6 56.Qf5 Kh6 57.Rf6 Kg7 58.Qg6) 1–0. Zylla,Johannes – Kucharkowski,Jens, corr KMG–27, 1992.

6.e3 Nge7 7.Be2 0-0 8.0-0 ef4–+ 9.ef4 Nd5 10.Ne1 Qh4 11.Nd3 Bf5 12.g3 Qh6 13.Na3 Bb6 14.Nf2 Bh3 15.Re1 Nf4! 16.d4 Ne2 17.Re2 Rae8 18.Nh3 Qh3 19.Nc4 Re6 20.Nb6 ab6 21.Rf2 Na5 22.Qf3 Rf6 23.Qe2 Rf2 24.Qf2 Re8 25.Rf1 Qe6 26.Bc1 Nc4 27.Qf3 d5 (27...d5 28.Bf4 b5–+) 0–1. Scheglmann,Eckhard – Kucharkowski,Jens, corr KMG_05, 1989.

6.e3 Nf6 7.fe5 de5 8.Bb5 Bg4 (8...Bd7 9.Bc6 Bc6 10.Ne5 Bg2 11.Rg1 Bd5 (11...Qd5 12.c4!) 12.Rg7 +–) 9.Qa4 (9.Bc6). Kucharkowski.

6.e3 Bg4 7.Be2 Qd7 (7...e4 8.Nd4 Be2 9.Qe2-/+) 8.Na3 (8.c4 f6-/+) 8...0-0-0 (8...Nf6 9.fe5 de5 10.Nc4 Bf3 11.gf3-/+) 9.Nc4=+ Nf6 (9...ef4 10.Qa4 Qf5 11.h3=+) 10.0-0 (10.fe5 de5 11.Nce5 Ne5 12.Ne5 Be2 13.Qe2 Qd5=) 10...Bf3 (10...e4 11.Nd4 Nd4 12.cd4 Be2 13.Qe2-/+) 11.Bf3 Bb6 (11...e4!? 12.Be2 h5-/+) 12.Nb6= cb6 13.f5 (13.c4!?=) 13...e4 14.Be2 h5 (14...Rhe8 15.Qc2=+) 15.h3 (15.c4 Rh6=) 15...Kb8 (15...Ne7 16.c4 Nf5 17.Qe1-/+) 16.Bb5=+ d5 17.a4 (17.Rb1 Qc7=+) 17...a6-/+ 18.Bc6 (18.Be2 Ne7-/+) 18...bc6 19.Qb3 Qc7 (19...Ka7 20.Ba3-/+) 20.a5 (20.Rab1!? Kb7 21.c4 dc4 22.Qc4 Rd2 23.Bd4=+) 20...b5-/+ 21.Qb4 (21.Rab1 Rhg8-/+) 21...c5–+ 22.Qb3 h4 (22...c4 23.Qd1–+) 23.Qd1 Qg3 24.Qe1 (24.Ba3!? Rc8 25.Rb1-/+) 24...Qe1–+ 25.Rfe1 Kb7 26.Rf1 Nh5 27.Rf2 Kc6 28.Kf1 (28.Kh2 Rd6–+) 28...Ng3 29.Ke1 f6 30.Kd1 Rh5 31.Kc2 Nf5 32.Rf4 Nd6 33.d4 ed3! 34.Kd3 Nc4 35.Bc1 (35.Ra2 Rg5 36.Rf2 Rg3–+) 35...Rg5 36.Rf2 Rg3 37.Rf3 (37.Kc2–+) 37…Ne5 (37...Ne5 38.Ke2 Nf3 39.gf3 Rh3–+) 0–1. Trigance,Emile – Budnar,Milos, FICGS, 2017.

5.c3 Bc5

6.e3 e4 7.Nd4 Nf6 8.Be2 d5 9.Nc6 bc6 Opening the b–file gets Black a lot of play 10.Qa4 Bd7 11.Na3 0-0 12.Nc2 Qe7 13.Nd4 Rfb8 14.Qc2 Rb7 15.0-0 Rab8 16.Rab1 h6 17.Ba1 Rb1 18.Rb1 Rb1 Black fights for the Initiative 19.Qb1 Bb6 20.Bb2 c5 21.Ba3 Qe8 22.Nb3 c4 23.Nd4 c5–+ 24.Nc2 Qc8 25.Ne1 Qc6 26.g3 Bc7 27.Nc2 Qb6 28.Qb2 Bd6 29.Ne1 Qb2 30.Bb2 Ba4 31.Kf2 Kh7 32.Ng2 g6 (32...Bd7 33.h4–+) ½–½. Zylla,Johannes – Landgraf,Manfred, corr KMG–27, 1993.

6.d4 ed4

7.cd4 Bb4 8.Bc3 Nf6 9.d5 Bc3 10.Nc3 Ne7 11.e4 0-0 12.Bd3 c6 13.dc6 bc6 14.Qc2 Ng6 15.e5 Ng4 16.Bg6 fg6 17.h3 Ne3 18.Qe2 Nd5 19.Nd5 cd5 20.Rd1 de5 21.fe5 Qb6 22.Qf2 Qb4 23.Qd2 Qe4 24.Kf2 Be6 25.Kg3 g5 26.Qg5 h6 27.Qd2 Rf7 28.Rhe1 Qg6 29.Kh2 Raf8 30.Qd3 Qh5 31.Nd4 Bg4 32.Rc1 Rf4 33.Nc6+/– Re8 34.Qd5 Be6 35.Qd2 Qf5 36.Rc2 Re4 37.Rd1 Ra4 38.Kg1 Kh7 39.Qe2 Re4 40.Qf2 Rf4 41.Qc5 Rf8 42.Na7+/– Rf1 43.Rf1 Qf1 44.Kh2 Qf4 45.Kh1 Rf5 46.Rb2 Qg3 47.Qc2+= Qe1 48.Kh2 Qe5 49.Kg1 Kh8 50.Qe2 Qc5 51.Kh2 Qc7 52.g3 Bd5 53.Qe8 Kh7 54.Qe3 Rf3 55.Qe1? Qa7–+ 56.Re2 Qf7 57.Qb1 g6 58.Qg1 Ba2 59.Qc5 Be6 60.Rd2 Rf5 61.Qe3 Rh5 62.h4 Rf5 63.Qe4 Bd5 64.Qd4 Bc6 65.Qb6 Ba8 66.Qg1 Bb7 67.Re2 Bd5 68.Rc2 g5 69.Qb1 Be4 70.Qa2 Bc2 71.Qc2 g4 72.Qb1 Kg8 73.Kg1 Qe6 74.Qb8 Rf8 75.Qb1 Rd8 76.Kh1 Qc6 77.Kg1 Rd2 78.Qb8 Kh7 (78...Kh7 79.Qa7 Rd7–+) 0–1. Deep Fritz – Fritz 8, 2003.

7.cd4 Bb4 8.Nc3 d5 9.Qb3 Nf6 10.e3 0-0 11.Ne5 Ne4 12.Nc6-/+ Bc3 13.Bc3 bc6 14.g3 Re8 15.Ba5 c5 16.dc5 d4 17.0-0-0-/+ Qe7 18.ed4=+ Nf2 19.Re1 Be6-/+ 20.Bg2 Rab8 21.Qc2 Nh1 22.Bh1 Qf6 23.Bc7 Bf5 24.Re8 Re8 25.Qa4 Qe7 26.Be5= f6 27.Bd5 Kh8 28.Bc6 Rc8 29.Bd6 Qe1 30.Kb2 Qd2 31.Ka3 Qc3 32.Qb3 Qb3 33.ab3-/+ Rc6 34.Kb4 Be6–+ 35.Bb8 a6 36.Ba7 Kg8 37.Bb6 Kf7 38.Ka4 g6 39.b4 Bc4 40.Ka5 Ke6 41.g4 Kd5 42.g5 fg5 43.fg5 Kd4 44.Bd8 Re6 (44...Re6 45.Bf6 Kd5–+) 0–1. Pagano,N (2005) – Schaefer,Mi1 (2190), Capo d Porto Mannu Palau ITA, 2008.

7.cd4 Qf6 -/+.

7.Nd4 Nd4 8.cd4-/+ Bb4 9.Nd2 Bd7 10.e4 Nf6 11.Bd3 0-0 12.0-0 Ng4 13.Qe2 Qe7 14.f5 Qg5 15.Nf3 Qe3 16.Qe3= Ne3 17.Rf2 Ng4 18.Rc2= c6 19.h3 Nf6=+ 20.Rb1 b5 21.Bc1 Ba5 22.g4 Rfe8= 23.Re2 h6 24.Bf4 Bc7 25.g5 hg5 26.Bg5= Nh7 27.Bf4 Re7 28.Rc1 a6 29.Kh2 Rae8 30.Rg2 Kh8 31.Rcg1= f6 32.h4 Bb8 33.h5=+ d5 34.e5 c5 35.Nh4 Kg8?? 36.h6+– Ng5? 37.Bg5 fg5 38.Rg5 g6 39.Ng6 Rh7 40.Rh5 cd4 41.Rh1?? Bc8? 42.f6 (42…Bg4 43.Rh4+/–; better is 42.Re1!?+–) 1–0. Domenche Redondo – Manninen,Juha, corr 3GMM–19, 1996.

7.Nd4 Qe7!? 8.Nc6 bc6 9.Qa4 –+.

5.e3 f6

6.a3 Ba5 7.Bb5 a6 8.Bc6 bc6 9.fe5 fe5 (9...Rb8!? 10.Bc3 Bc3 11.Nc3 fe5=+) 10.Ne5+= de5 (Better is 10...Qh4!? 11.g3 Qh6=) 11.Qh5+/– Kf8 12.Qe5 Nf6 13.Qa5 Qd5 14.Qb4 (14.Qc7?! Qg2 15.Qd6 Kg8 16.Qd8 Kf7 17.Qc7 Kf8 18.Qd6 Kg8=) 14...c5 15.Qh4 Qg2 16.Rf1 Ke8 17.Bf6 gf6 18.Qf6 Rg8 19.Qf7 Kd8 20.Nc3 Bh3 21.0-0-0 Kc8 22.Rf2 Qg7 23.Qg7 Rg7 24.Ne4 c4 25.Nc5 Kb8 26.d4 cd3 27.cd3 Ka7 28.d4 Rag8 29.e4 Rg2 30.Rg2 Rg2 31.Rd2 Rg7 32.Rb2 Rf7 33.Rb7 Ka8 34.Kd2 (34...Bc8 35.Rb2+–) 1–0. Marre – kitket, zagraj.pl, 2003.

6.Bc4 Nge7 7.fe5 de5 8.0-0 Bg4 9.Qe1 Qd7 10.a3 Ba5 11.Nc3 Be6 12.Be6 Qe6 13.Qg3 0-0 14.Rab1 Rad8 15.Ne4 Bb6 16.Kh1 Qc4 17.Nc3 e4 18.d3?? ed3–+ 19.cd3 Rd3 20.Rbc1 Re3 (20...Re3 21.Rfe1 Re8–+; 20...Nf5 21.Qe1–+) 0–1. Plantet,Marc – Krivokapic,Ratko (2225), Paris Apsap op, 1998.

6.Bc4 ef4 7.c3 d5–+ 8.Bb5 Bd6 9.c4 Bd7 10.0-0 Nce7 11.Bd7 Qd7 12.Qb3 Qc6 13.Na3 fe3 14.de3 Ba3 15.cd5 Qd5 16.Qa3 Qe4 17.Ng5 Qg4 18.Nf3 Nd5 19.Rad1 Nge7–+ 20.e4 Nf4 21.g3 Rf8 22.Qb4 Rb8 23.Qb3 a6 24.e5 fe5 25.Be5 Ne6 26.Bb2 Rd8 27.Rde1 Rd6 28.Qb7 Rf7 29.Ba3= c5 30.Qa8+/– Rd8 31.Qa6 Nd4 32.Ne5+– Rf1 33.Qf1 Qf5 34.Bc5 Qf1 35.Kf1 Rd5 36.Bd4 Rd4 37.Nc6 Rd7 38.g4 Kf8 39.Ne7 Re7 40.Re7 Ke7 41.Kf2 (41.Kf2 Kd6 42.Ke3+–) 1–0. Schellen,Anton – Riha,Josef, FICGS, 2006.

6.Be2 Nge7 7.0-0 0-0 8.Ne1 Be6 9.c3 Ba5 10.Na3 ef4 11.ef4 Bb6 12.d4 Nd5 13.Qd2 Re8 (13...Re8 14.Nf3 Qe7-/+) 0–1. Dilling,Ralf – Kucharkowski,Jens, corr KMG–05, 1989.

6.fe5 de5 7.a3 Ba5 8.Bc4 Bg4 9.0-0 e4 10.h3 Bh5 11.g4 Bg6 12.Nd4 Qd6 13.Qe1 Nd4 14.Bd4 0-0-0 15.Nc3 a6 16.Ne2 b5 17.Ba2 Ne7 18.Nf4 c5 19.Bc3 Bc3 20.Be6 Kb8 21.dc3 h5 22.Rd1 Qd1 23.Qd1 Rd1 24.Rd1 Be8 25.Nh5 Bh5 26.gh5 Nc6 27.Rd7 Rh5 ½–½. Bonetti,Shane – Byrne,Tony, TT–13 ETC, 2004.

6.Nh4 Be6 7.Be2 Qd7 8.0-0 Nge7 9.fe5 de5 10.Nc3 0-0-0 11.d3 Bc5 12.Qd2 f5 13.Kh1 g5 14.Nf3 g4 15.Ne1 h5 16.Na4 Bb4 17.c3 Bd6 18.c4 Bb4 19.Bc3-/+ Bc3 20.Nc3 Bc4!–+ 21.Qc2 Nb4 22.Qa4? Qa4 23.Na4 Nd3 24.Nc3 (24.Nc3 e4 25.Rd1–+; 24.Nd3 Bd3 (24...Rd3?! 25.Rfc1–+) 25.Bd3 Rd3–+). Hasler,Ulrich – Michajlenko,GA, corr ICCF World Cup8–9, 1993.

6.Nh4 Be6 7.f5 Bf7 8.Qg4 +=.

6.Nh4 Nh6 7.Qh5 Nf7 8.Bb5 0-0 9.0-0 Nh6 10.f5 Ne7 11.Bc3 a5 12.a3 Bc3 13.Nc3 Nhf5 14.Nf5 Bf5 15.Bc4 Kh8 16.Qe2 c6 17.Bd3 Bd3 18.Qd3 d5 19.Qe2 b5 20.d4 Qd6 21.Qf2 Ng6 22.Ne2 f5 23.Qe1 a4 24.Kh1 Rae8 25.Qd2 f4 26.ef4 ef4 27.Rf3 Re4 28.Raf1 Rfe8 29.Ng1 Re3 30.Qc1 Kg8 31.c3 Qe7 32.Qb2 Re1 33.R3f2 Qe4 34.Rf3 h5 35.Qb4 Qc2 (35...Qc2 36.g3 Rf1 37.Rf1 Re3–+) 0–1. Bonetti,Shane – Zimmermann,Joerg, TT–09 ETC, 2003.

6.Nh4!? Nge7

7.Qh5 g6 8.Ng6? Ng6 9.f5 Bf5 10.Qf5 Rf8 –+.

7.Qh5 g6 8.Qh6 Be6 9.Bd3 +–.

7.Qh5 g6 8.Qh6 Bf5 9.Qg7 Kd7 10.Nf5 gf5 11.Qf6 Qf8 12.fe5 de5 13.Be5 Ne5 14.Qe5 +/–. Kucharkowski.

7.Qh5 g6 8.Qh6 Bf5 9.Qg7 Kd7?? 10.Nf5+= gf5 11.Qf6 Qf8 12.fe5+/– Qf6 13.ef6+– Ng6 14.Bd3 Ke6 15.0-0 Nce5 16.Bf5 Kf6 17.d4 Kg5 18.de5 de5 19.Nc3 Bc3 20.Bc3 Rac8 21.Rad1 Rhf8 22.e4 Nf4 23.Bd2 Rcd8 24.g3 Rd2 25.gf4 (25.gf4 ef4 26.Rd2+–) 1–0. Kucharkowski,Jens – Weisbrod, corr KMG–21, 1990.

7.Qh5 g6 8.Qh6 Bf5 9.Qg7 Rg8 10.Qh7 Bc2 11.Nc3 Bc3 12.Bc3 unclear.

7.Qh5 g6 8.Qh6 Kf7 9.fe5 de5 10.Bd3 Qf8 11.Qf8 Rf8 12.0-0 Be6 13.Nf3 Kg8 14.a3 Ba5 15.Nc3 Rad8 16.Rab1 Bb6 17.Na4 Bd5 18.Nb6 ab6 19.e4 Be6 20.Bb5 Na5 21.a4 Nc4-/+ 22.Bc1 Nd6 23.Ba3 Rf7 24.Bd3 Ra8 25.Bd6= cd6 26.Rb6 Nc8 27.Rb4 Kg7 28.c3 Rd7 29.Bc2 d5 30.d4+= de4 31.Be4+/– Nd6 32.de5 Ne4 33.Re4 f5 34.Rd4 Rc7 35.Rb1 h6 36.Rb6 Kf7 37.Rh4+– Rh8? 38.Ng5!! (38.Ng5 hg5 39.Rh8+–) 1–0. Bonetti,Shane – guest784, ICC, 2002.

5.e3 Nf6

6.a3 Ba5 7.fe5 Ne5 8.Ne5 de5 9.Qf3 Qd5 10.Qg3=+ Ne4 11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Bc3 15.dc3 Re8 16.Kf2 Re5 17.Bc4 Bf5 18.Bd3 Bd7 19.Rhd1 Bc6 20.Be2 Rae8 21.Rd3 Bb5 22.Rd2 Be2 23.Re2 Kf8 24.Rd1 Rc5 25.Rd3 Re4 26.Re1 Rec4 27.Rb1 b6 28.Rb3 a5 29.h3 Ke7 30.Kf3 Ke6 31.g3 h5 32.Ke2 g5 33.Kd2-/+ h4 34.g4 f5 35.gf5 Rf5 36.Rd8 Rf2 37.Kd3 Rc5 38.c4 Rf3 39.Re8 Kd7 40.Rg8 Rh3 41.Rg7 Kc6 42.Rb1 Re5 43.Rg6 Kb7 44.Re1 Rg3 45.Kd4 Re8 46.Rh6 h3 47.Kd3 g4 48.c3 Rd8 49.Ke4 Rg2 0–1. pcmvr (2850) – refen, net–chess.com, 2009.

6.a3 Bc5 7.fe5 de5 8.Ne5 Ne5 9.Be5 Qe7 10.Bf6 Qf6+=.

6.Bb5 0-0 7.fe5 Ne5=+ 8.Ne5 de5 9.0-0 c6 10.Bc4 Bg4 11.Qe1 Qd6 12.Qg3+= e4 13.Be5+– Qd7 14.h3 Kh8 15.Rf6 Rae8? 16.Rf2 f6 17.Nc3 Re5+/– 18.Qg4 f5 19.Qf4 Bd6 20.Raf1?? Rc5?? 21.Qe4+– Rf6 22.Qd4 Qe7 23.Bd3 Be5 24.Qb4 a5 25.Qa3 b5 26.Ne2 b4 27.Qb3 g6 28.Nd4 Qd6 29.Nf3 Kg7 30.Ne5 Re5 31.Kh1 h5 32.e4! Rfe6 33.ef5 gf5 34.Bf5 Rf6 35.Rf3 h4 36.Rd3 Ref5?? 37.Rf5+– Qe7 38.Re3 Qf8 39.Qb2 (39.Qb2 Kg6 40.Rf6 Qf6 41.Qf6 Kf6 42.Re4+–) 1–0. Plantet,Marc (2075) – Heimann,Udo, St Quentin op 7th, 2004.

6.Bb5 ef4 7.ef4 0-0 8.0-0 a6 9.Ba4 Re8 10.Nc3 Bc5 11.Kh1 Ba7 12.Ne2 Ng4 13.Qe1 Bd7 14.f5 Nf6 15.d3 h6 16.Bb3 b5 (16...Bf5 17.Nh4 Be6 18.Bf6 gf6 19.Qg3 Kh7 20.Nf4=) 17.a4 b4 18.Qd2 Be3 (18...Bf5?! 19.Bf6 gf6 20.d4+=) 19.Qe1 Bb6 20.Qd2 Rb8 (worse is 20...Bf5 21.Ned4 Nd4 22.Nd4-/+) 21.Ng3 Be3 22.Qd1 Ne5 23.Nh5 Bc6 24.a5 Nh5 25.Ne5 Ng3! (25...Re5?! A) 26.Be5?? Qg5 (26...de5?! 27.Qh5 Qf6 28.Qg6=) 27.Bf7 Kf7–+; B) 26.Qh5 Qf6 27.Be5 de5 28.Qg6=) 26.hg3 de5 (26...Re5?! 27.Be5 de5 28.f6=) 27.f6 g6 28.Qg4 Bg5 29.Rae1 Rb5 30.Bc1 e4 (30...Ra5 31.Bg5 Qd4 32.Bf4+–) 31.de4 h5 32.Qd1 Qd1 33.Rd1 Ra5 34.Bb2 Re4 (34...Be4?! 35.Rd7 Rf8 36.Re1+=) 35.Rd8 Re8 36.Rfd1 Rf8 37.Rf8 Kf8 38.Rd8 Be8 39.Bd5 Rc5 40.Bd4 Rc2–+ 41.Bb3 Rc1 42.Kh2 c6 43.Ba4 a5 44.Ra8 b3! 45.Bb2 Re1 46.Bc6 Bd2 47.Ba4 Bb4 48.Bb3 1–0. Nemec,Zdenek (2030) – Malichev,Ivan (2005), SB–2010-0-00126, 2010.

6.Bb5 ef4 7.ef4 0-0 8.0-0 a6 9.Ba4 Re8 10.Nc3 Bg4 11.Bc6 bc6 12.h3 Bd7 13.Re1 Rb8 14.Rb1 Re1 15.Qe1 Qe8 16.Kh2 Qe1 17.Re1 Bc3 18.Bc3 Nd5 19.Ba5 Kf8 20.c4 Nb6 21.Rb1 Bf5 22.Rb2 c5 23.d4 f6 24.dc5 dc5 25.g4 Bd3 26.Nd2 Re8 27.Rb3 Nc4 28.Nc4 Bc4 29.Rc3 Bb5 30.Bc7 Re2 31.Kg3 Ra2 32.Bd6 Kf7 33.Bc5 Bf1 34.Re3 Re2 35.Rb3 h6 36.f5 Rd2 37.Re3 Rd3-/+ 38.Rd3 Bd3 39.h4 h5 40.Kf4 hg4 41.Kg4 Kg8 42.h5 Kh7 43.Be3 a5–+ 44.Bc1 a4 45.Bb2 Kg8 46.h6 gh6–+ 47.Bf6 Be2 48.Kf4 Kf7 49.Bb2-/+ h5 50.Kg5 Bg4 51.Ba3 ½–½. Jeschke,Holger (1900) – Feuerstack,Aljoscha (1810), Schleswig Holstein–ch, 2001.

6.Bc4 ef4 7.ef4 0-0 8.0-0 d5 9.Be2 Re8 10.c3 Bd6 11.g3 Bh3 12.Re1 Qd7 13.Na3 Bf4 14.Bd3 Qg4 15.Nh4 Re1 16.Qe1 Ne5 17.Bf5 Qh4 18.gh4 Nf3 19.Kf2 Ne1 20.Bh3 Nd3 21.Kf3 Bd6 22.Bc1 Nc1 0–1. pukism (1740) – cimabue (2065), gameknot.com, 2014.

6.Be2 0-0 7.0-0 e4-/+ Black gets in control 8.Ne1 d5 9.d3 Bc5 10.d4 Bb6 11.c4 dc4 12.Bc4 Na5 13.Be2 Nd5 14.Nc2 a6 15.Nc3 c6 16.Ne4=+ Bf5 17.Bd3 Re8 18.Ng5= Ne3 19.Ne3+/– Bd4 20.Bd4 Qd4 21.Bf5 Qe3 22.Kh1 g6 23.Bg4 Rad8+/– 24.Qe1 Qe1 25.Rae1 h6 26.Ne4 Kg7 27.f5 f6? 28.fg6+– Rd4 29.Bf5 Nc4?? 30.Nc5 Re1 31.Re1 Rd5 32.Ne6 Kg8 33.Bc2 (33.Bc2 Rd2 34.Bb3+–) 1–0. Scheglmann,Eckhard – Scholz,Michael, corr DDR, 1989.

6.Be2 Bc5 7.0-0 e4 8.Ne1 Be6 9.d4? ed3–+ 10.Qd3 0-0 11.Nc3 Nb4 12.Qd2 Re8 13.a3 Nbd5 14.Nd1? Bg4 15.Bd4 Bd4 (15...Bd4 16.Bg4 Ba1–+ (16...Ng4?! 17.ed4 Qf6 18.Rb1–+); better is 15...Be2!? 16.Rf2 Bd1 17.Bc5–+) 0–1. Scholz,Michael – Scheglmann,Eckhard, corr KMG–06, 1988.

6.fe5 Ne5 7.a3 Ba5 8.Ne5 de5 9.Bc4 Bg4-/+ 10.Be2 Be2 11.Qe2 Qd5 12.0-0 0-0 13.d3 Qc5 14.c4 Rad8 15.Nc3 Rfe8 16.Nd1 Qd6 17.Nf2 Qc6 18.Rad1 Bb6 19.Kh1 Nd7 20.Ne4 f6 21.Ng3 Nc5 22.Nf5 Rd7 23.Ba1 Qa4 24.Qg4 Kh8 25.d4 ed4 26.Rd4 Rf7 27.Nh6 Rff8-/+ 28.Rd5 Qc6 29.Nf5 g6 30.Nh4 Kg7 31.Rh5 Qe4 32.Nf5 Kg8 33.Nh6 Kg7 34.Nf5 ½–½. Bonetti,Shane (1985) – Thoma (1735), ETC, 2004.

6.fe5 Ne5 7.a3 Ba5 8.Ne5 de5 9.Qf3 Qd5 10.Qg3=+ Ne4 11.Qe5 Qe5 12.Be5 0-0 13.Bc3 Nc3 14.Nc3 Re8 15.Kf2 Re5 16.Bd3 Bd7 17.Rab1 Bc3 18.dc3 Bc6 19.Rb4 Rae8 20.Rhb1 a5 21.Rh4 g6 22.Re1 Kg7 23.Rd4 f5 24.h3 b6 25.c4 Kf6 26.c3 h6 27.Bc2 g5 28.g3 R5e6 29.Bd1 R8e7 30.Bb3 Re5 31.Bd1 Kg6 32.Bc2 Be4 33.Ba4 Bb7 34.Bd1 Kf7 35.Bc2 Be4 36.Bd1 Kf6-/+ 37.Rd8 Bb7 38.Bc2 Rc5 39.Bd3 Bc6 40.Rd4 Rce5 41.Bc2 Re8 42.Bd1 R5e6 43.Bh5 R8e7 44.Bd1 Kg7 45.Bb3 Re5 46.Bd1 Kh7 47.Bc2 Kg6 48.Bd1 Re8 49.Bc2 Be4 50.Ba4 R8e7 51.Bd1 Bb7 52.Bc2 Kg7 53.Bd1 Kf6 54.Bc2 Re8 55.Rd7 R5e7 56.Rd4 Bc6 57.Bd1 Kg6 58.Bc2 Re5 59.Bd3 Kf7 60.Be2 R8e6 61.Bd1 Ke7 62.Bc2 Kf6 63.Bd1 Bb7 64.Rd7 Rc5 65.Be2 Ba6 66.Rd4 Rce5-/+ 67.Bf1 Bb7 68.Bd3 Bc6 69.Bc2 Rc5 70.Bd1 Rce5 71.Bc2 ½–½. pcmvr – jcarlos, net–chess.com, 2009.

6.fe5 Ne5 7.a3 Nf3 8.Qf3= Ba5 (8...Bc5 9.Bf6 Qf6 10.Qf6 gf6 11.c4=+) 9.a4 (9.Bc4 Be6 10.Be6 fe6 11.Qb7 0-0=+) 9...0-0 (9...Be6 10.Bd3=+) 10.Bf6 Qf6 11.Qf6 gf6 12.Bd3 (12.c3 Re8=+) 12...c6 (12...Re8 13.c3=+) 13.0-0 Kg7 14.Rf3 (14.c3 Rg8=+) 14...d5 15.Rg3 Kh6 16.Nc3 (16.Rf3 Bc7=+) 16...Bc7-/+ 17.Rf3 Be5 18.Rb1 Bg4 (18...b6 19.Ne2=+) 19.Rf2 Rab8 20.Ne2 c5 (20...Rg8 21.Nd4=+) ½–½. pcmvr – justforfun, net–chess.com, 2018.

6.fe5 Ne5 7.Ne5 de5 8.Be5 0-0 9.a3 (9.Qf3 Ng4 10.Bf4 Qf6+=) 9...Be7 (9...Re8 10.ab4 Re5 11.Be2+=) 10.Be2= Qd5 11.Bc7 Qg2 12.Bf3 Qg6 13.Nc3 Bg4 14.h3 Bf5 15.h4 (15.Bb7 Ne4 16.Qf3 Bh4 17.Ke2 Nc3 18.dc3 Bc2 19.e4–+) 15...Bc2-/+ 16.Qe2 Rac8 17.Bf4 (17.h5 Nh5 18.Bh5–+) 17...Rfd8 (17...Ne4!? 18.Nd5 Qe6 19.Ne7 Qe7-/+) 18.h5+= Qf5 19.Bb7 Rc5 20.h6 (20.Bf3!?+=) 20...Nh5-/+ 21.Rh5 (21.Bc7 Rc7 22.Rh5 Qf6–+) 21...Qh5–+ 22.Qh5 Rh5 23.hg7 Bd6 (23...Bd3 24.Kf2–+) 24.Bf3-/+ Rf5 (24...Rc5 25.Bd6 Rd6 26.Rc1-/+) 25.Ne2 Bf4 26.Nf4 Rb5 27.Ke2 (27.d4 Kg7 28.Kf2 Rb2-/+) 27...Rb1 (27...Kg7 28.Rc1 Rb2 29.Bd5–+) 28.Rb1 Bb1 29.d3 (29.d4 Kg7 30.Bg2 Rd6–+) 29...Rc8 30.e4 (30.Be4 Rc2 31.Kd1 Rh2-/+ (31...Kg7?! 32.d4 Rb2 33.Kc1=)) 30...Rc2 (30...Kg7 31.Ke3–+) 31.Ke3-/+ Ra2 32.e5 (32.Nh5 Ra3 33.Be2 a5–+) 32...Ra3 33.Be4 Kg7 34.Nh5 Kh6 (34...Kh8 35.Nf6 h6 36.Kd2–+) 35.Ng3 (better is 35.Nf6!?-/+) 35...a5–+ 36.Nf5 Kg5 (36...Kg5 37.Nd6 f5 38.Bf5 h5–+) 0–1. Skaug,Thorbjorn (2130) – Torgersen,Terje (1955), NOR/NM/A, 2013.

6.fe5 de5

7.Bb5 Bd7 8.Bc6=+ Bc6 9.Ne5 Qd5 10.Qe2 Ba4 11.Nd3 Be7 12.Nc3 Qc4 13.Na4 Qh4 14.Nf2 Qa4 15.c4 0-0 16.0-0 Rad8 17.d3 Rfe8 18.Qf3 Qd7 19.a4 c6 20.Bd4 b6 21.h3 c5 22.Bc3 Rb8 23.Rac1 h6 24.Be5 Rbd8 25.Bf4 Qe6 26.a5 Bd6 27.ab6 Bf4 28.Qf4 ab6 29.e4 Nd7 30.Ng4 Nf8 31.Rc3 Ng6 32.Qg3 Rd7 33.Rb3 Red8 34.Rfb1 Rd6 35.Ra3 f5 36.Nf2 Ne5 37.Qf4 Rf8 38.Rba1 Rdd8 39.Ra7 fe4 40.Qe4 Qf6 41.Ng4 Ng4-/+ 42.Qg4 Rd3 43.Rb1 Rd4 44.Qg3 h5 45.Rb7 h4 46.Qe3 Rc4 47.R1b6 Qf4 48.Qf4 Rff4 49.Rg6 Rf7 50.Rb1 Kh7 51.Re6 Rc2 52.Re4 g5 53.Re5 Kg6 54.Re8 Rf5 55.Rb6 Rf6 56.Rb1 c4 57.Rg8 Kh6 58.Kh2 c3 59.Rb5 Rg6 60.Rh8 Kg7 61.Rc8 g4 62.Rb7 Kf6 63.Rb6 Kg5 64.Rc5 Kf4 65.Rc4= Ke3 66.Rg6 g3 67.Rg3 hg3 68.Kg3 Kd3 69.Rc7 Rd2 70.h4 c2 71.h5 Rd1 72.Kf4 c1Q 73.Rc1 Rc1 74.h6 Rh1 ½–½. Rudbeck,Joergen – Schwertel,Gottfried, corr 3GMM½–03, 2000.

7.Bb5 e4 8.Ne5 0-0 9.Bc6= bc6 10.Nc6 Qd6 11.Nb4 Bg4 12.Qc1+= a5 13.0-0 ab4 14.Rf4 Qe6 15.Bf6 gf6 16.Qb2 Rfb8= 17.h3 Bf5 18.g4+= Bg6 19.Qf6 Rb6 20.Qe6 fe6 21.Rf6 Rc6 22.c3+= b3 23.a4 Ra5 24.Ra3= Rb6 25.c4 b2 26.Rf1 e5 27.Nc3 Bf7 28.c5 Rc5 29.Rb1 Ra5 30.Kf2 Bc4 31.Ne4 Rb4 32.Kg3 h5 33.gh5+/– Ba6 34.Nf6 Kf7 35.Ng4 Rd5 36.d3 e4 37.de4 Rc5 38.Ra2 Rc2 39.h6 Kg6 40.h4 c5 41.Kf4 Kh7 42.Ne5 Kh6 (42...Kh6 43.a5 Kh5+=). aschellen (1935) – DODA (1940), internet, 2006.

7.Ne5 Qe7 8.Nc6+/– Qe3 9.Qe2 (better is 9.Be2 Ng4 10.Bd4+/–) 9...Qe2= 10.Be2 bc6 11.Bf6 gf6 12.0-0 0-0 13.Nc3 (worse is 13.Rf6 Bc5 14.Rf2 Bf5–+) 13...Re8 14.Bf3 Bc3 15.dc3 Re6 16.Rae1 Bd7 17.Re6 (better is 17.Rb1!?+=) 17...fe6+= 18.Rd1 Rd8?? (better is 18...Be8+=) 19.Bc6!+– Kf8 (19...Bc6 20.Rd8 Pinning (20.Rd8 Deflection; 20.Rd8 Decoy)) 20.Rd7 (20.Rd7 Rd7 21.Bd7+–; worse is 20.Bd7 Ke7-/+) 1–0. Feng,Jason – Jokmin,Alex, RN–2010-0-00270, 2010.

7.Ne5 Ne5

8.Be5 Qe7 9.Bf4 0-0 10.a3 Ba5 11.Be2 Nd5 12.0-0 Rd8 13.Bd3 Nf4 14.ef4 Qf6 15.Nc3 Bf5 16.Bf5 Qf5 17.Rf3 Qc5 18.Kh1 Qd4 19.Rd3 Qf4 20.Ne2 Qh6 21.Rd8 Rd8 22.d3 Qc6 23.Rb1 b6 24.c4 Qd6–+ 25.Rb3 c5 26.Ng1 Re8 27.Qf3 Bd2 28.g3 h5 29.Qh5-/+ Re1 30.Kg2 Be3 31.Nf3? Re2–+ 32.Kh3 Qe6 33.Qg4 f5 34.Qh5 Rf2 35.Rb1? g6 36.Qh4 Rf3 37.Qd8 Kg7 38.Rb2 Bd4 39.Qc7 Kh6 40.Rd2 g5 (40...g5 41.Qf7 Qf7 42.Rb2 Qh5 43.Kg2 f4 44.Ra2 Rg3 45.hg3 f3 46.Kf1 Qh1#) 0–1. Registration (2340) – ImBehindYou (2450), ICC, 2003.

8.Be5 0-0

9.Bd3 Qe7 10.Bc3 Bg4 11.Bb4 Qb4 =+.

9.Bd3 Re8-/+ 10.Bf4 Bg4 11.Be2 Be2 12.Qe2 Nd5 13.0-0=+ Nf4 14.Rf4 Bd6 15.Rf3 Re6 16.Nc3 Bb4 17.Qc4= Bc3 18.Qc3 Qd6 19.Raf1 Rf8 20.Rg3 Qe5 21.Qe5 Re5 22.Re1 b6 23.Rg4 Ree8 24.Rc4 ½–½. Goetter – Dengel,Jorg, corr DDR, 1989.

9.Bd3 Ng4 10.Bg3? Ne3–+ 11.Qf3? Re8 12.Be4 Nc2 (13.Kd1 Na1–+) 0–1. Deneuville,Christian – Dziel,Jaromir, corr SOK, 1996.

9.Be2 Re8-/+ 10.Bb2 Ne4 11.0-0 Nd2–+ 12.Nd2 Qd2 13.Qd2 Bd2–+ 14.Bc4 Be6 (14...Be6 15.Be6 Be3 (15...fe6?! 16.Kf2-/+) 16.Kh1 Re6–+) 0–1. Dilling,Ralf – Hauswald,Helfried, corr DDR, 1989.

9.Qf3 Ng4 10.Bc3 Bd6 11.g3 Qg5 12.Rg1? Nh2–+ 13.Qh1 Nf1 14.Rf1 Qg3 15.Kd1 Qh3 16.Qh3 Bh3 (17.Rg1 f6–+) 0–1. Bondarev,B – Koniushkov,Igor (2280), Krasnodar op, 1996.

9.Qf3 Ng4 10.Bf4 Qf6 =+.

5.e3 Bg4

6.a3 Bc5 7.Bb5 f6 8.fe5 de5 9.Nc3 -/+.

6.a3 e4 7.ab4 ef3 8.Qc1 fg2 9.Bg2 Qh4 10.Kf1 Nb4 11.Ra4 +/– (11.Bg7 Be2 12.Kg1 Nc2+–).

6.a3 e4 7.ab4 ef3 8.Qc1 fg2 9.Bg2 Qh4 10.Kf1 Bh3 -/+.

6.a3 e4 7.h4 ef3 8.gf3 Bd2 9.Nd2 Bf3 10.Nf3 Nf6 +–.

6.a3 e4 7.h4 Nf6 8.ab4=+ ef3 9.gf3 Be6 10.b5 Nb4 11.e4 (11.Rg1 0-0=) 11...Nh5 (11...a6 12.f5 Bd7 13.c3+–) 12.d3 (12.f5 Ng3 13.Rg1 A) 13...Nf1? 14.fe6 (14.Kf1?! Bc4 15.d3 Bb5=+) 14...fe6 15.Kf1+– (15.Rf1?! Qh4 16.Ke2 e5+/–); B) 13...Nf5 14.ef5 Qh4 15.Ke2 Bf5=) 12...f5 (12...Ng3 13.Rg1 Qh4 14.Kd2 Qf4 15.Kc3 Na2 16.Ra2 Ba2 17.Na3–+) 13.c3 (13.Ra4 Ng3 14.Rh2 Nf1 15.Kf1 c5=) 13...Na2 (13...Ng3 14.Rg1 Nf1 15.Kf1+=) 14.Qa4 (14.c4 Nb4 15.Qb3+=) 14...0-0 (14...Ng3 15.Rg1 Nf1 16.Rf1 Qh4 17.Kd1 fe4 18.de4 Qf4 19.Ra2 Ba2 20.Qa2 Qf7=+) 15.Ra2+/– Ng3 16.Rh2 (16.Rg1 Nf1 17.c4 Qh4 18.Kf1 Rf7+/–) 16...fe4 (16...Nf1 17.Kf1 fe4 18.fe4 Rf4 19.Ke2 Ba2 20.Qa2 Kh8 21.Qd5+=) 17.fe4 (17.Bh3 Ba2 18.Qa2 Kh8 19.fe4 Qh4=+ (< 19...Rf4 20.Bc1 Rf3 21.Bg5+=)) 17...Nf1= 18.Kf1 Rf4 19.Ke2 Rh4 (19...Ba2 20.Qa2 Kh8 21.Qd5+=) 20.Rf2 (20.Rh4 Qh4 21.c4 Qg4 22.Kd2 Qf4 23.Kc2 a6+/–) 20...Qg5 (better is 20...Ba2!? 21.Qa2 Kh8=) 21.Nd2 (21.Ra1!?+/–) 21…Bg4 (22.Rf3 Rh2 23.Kf1 Bh3 (23...Qd2 24.Qb3 Kh8 25.Qg8 Rg8 26.Ra7 Qd1) 24.Rh3 Qg2 25.Ke1 Qe2) 0–1. Woschkat,Karl_Heinz – Uhlig,Andreas, compuserve, 1996.

6.Bb5 Nf6 7.fe5 de5 8.Be5 0-0 9.Bb2 Ne4 10.0-0 Qe7 11.a3 Ba5 12.Qc1 f6 13.Bc6 bc6 14.Nd4 Bd7 15.Nb3 Bb6 16.a4 a5 17.Ba3 c5 18.d3 Ng5 19.Kh1 Qe5 (19...Rfd8 20.e4=+) 20.Bc5=+ Bc5 21.d4 Bd4 22.ed4 Qd6 23.Nc3 Rfb8 24.Qe3 Rb4 The isolani on a4 becomes a target 25.Rad1 Bc6 26.Rfe1 Re8 27.Qd2 Re1 28.Re1 Bd7 29.h3 h6 30.Re3 Ne6 Increases the pressure on d4 31.Ne4 Qf4 32.Nc3 Qf1 (32...Nd4?? 33.Re8 Be8 34.Qf4 Nb3 35.Qe3 Ba4 36.Na4+– (worse 36.cb3 Bb3 37.Qc5 Kh7+–)) 33.Kh2 Qf5 34.Kg1 Qg5 (worse 34...Ba4 35.g4 Qf4 36.Na4 (36.Re6 Qg3 37.Qg2 Qc3-/+) 36...Ra4 37.Re6 Qd2 38.Nd2 Rd4 39.Nf1+–) 35.Ne4 Qg6 36.Nc3 (36.Na5? Rd4 37.Qe2 Nf4–+) 36...Kh7 37.Kh2 f5 38.Ne2 Ra4 39.Re5 The pressure on the isolated pawn grows 39...f4 40.Nf4 Nf4 41.Qf4 Ra2 42.Re2 Rc2 (42...Bb5 43.Re3 Qd6 44.Re5=) 43.Rc2= Qc2 44.Na5 Be8 45.Qf3 Bg6 46.Nb3 ½–½. pvanr (2175) – marekt (2005), gameknot.com, 2014.

6.Bc4? Nf6 (6...e4 7.Bg7 ef3 8.gf3 Qh4 9.Kf1-/+) 7.0-0 (7.h3!? Be6 8.Be6 fe6 9.fe5 de5 10.0-0-/+) 7...ef4 (7...e4 8.h3 Bf3 9.gf3–+) 8.ef4 0-0 9.h3 (9.a3 Ba5–+) 9...d5 10.Bd3 Bd7 11.Ne5 Ne4 12.Be4 de4 13.Qe2 Bf5 14.Qb5 (14.Nc6 bc6 15.g4 Rb8–+) 14...a6 (better 14...Qd6 15.Kh2 a6–+) 15.Qb7?? (better 15.Qc4 Qd6 16.Nc6 bc6 17.Be5 Qc5 18.Qc5 Bc5 19.Kh2–+) 15...Bc5 16.Kh2 (16.d4 ed3 17.Kh2 Na5–+) 16...Na5 17.Nc6 Nb7 (17...Nb7 18.Nd8 Rfd8–+) 0–1. ndriana – pierred, net–chess.com, 2017.

6.Be2 Qe7 7.Ne5 de5 (7...Ne5 8.fe5 Be2 9.Qe2 de5 10.Qb5 c6 11.Qe5 Qe5 12.Be5=) 8.Bg4= Nf6 9.0-0 Ng4 10.Qg4 h5 (10...0-0 11.fe5 Qe6 12.Qg3+/–) 11.Qg7 0-0-0 12.fe5 Bd2?? (better is 12...Rhg8 13.Qf7 Bd2 14.Nd2 Qf7 15.Rf7 Rd2+/–) 13.Nd2+– Rdg8 (13...Rhg8 14.Qh7 Ne5 15.Qf5 Rd7+–) 14.Qf7 Qc5 (14...Qb4 15.Nb3 Rf8 16.Qg6+–) 15.e6 Qe3 16.Rf2 b6 (16...Ne5 17.Qf4 Qf4 18.Rf4+–) 17.Nf3 Rf8 (17...Qc5 18.Re1 Ne7 19.c4+–) 18.Qd7 Kb8 (18...Kb7 19.Bh8 Rh8 20.Re1+–) 19.Bh8 Rh8 20.Qc6 h4 21.Re1 Qa3 22.Ne5 h3 (22...Rd8 23.Nd7 Rd7 24.ed7 Qe7 25.Rf8 Qf8 26.Re8 Qe8 27.de8Q) 23.Nd7 Kc8 24.Qa8 1–0. Janek – AxelG, internet, 2017.

6.Be2 Nge7 7.0-0=+ 0-0 8.fe5 Bf3 9.Rf3 de5 10.Bc4 Nd5 11.c3 Be7-/+ 12.Qc2 Nb6 13.Bb3 Qd7 14.d4 a5 ½–½. Dilling,Ralf – Landgraf,Manfred, corr KMG–05, 1990.

6.Be2 Nge7 7.0-0 Bf3 8.Bf3 Qd7 9.a3 Bc5 10.fe5 Ne5 (10...de5 11.Qe1+=) 11.Bb7 Rb8 12.Be5 de5 13.Be4 f5 (13...f5 14.Bd3 Bd4+=) 0–1. ramoschessbrasil (2480) – hinchbox (2405), net–chess.com, 2011.

6.Be2 Bf3 7.Bf3= Nge7 8.0-0 0-0 9.a3 Bc5 10.fe5 de5 11.Nc3 f5 12.Qe2 Kh8 13.Na4 Bd6 14.d3 b5 15.Nc3 Rb8 16.Qf2 (16.Nd5!?=+) 16...Bc5-/+ 17.Bc1 f4 18.Kh1 Be3 19.Be3 fe3 20.Qe3 Nd4 21.Ra2 (21.Rf2!?-/+) 21...Nf3 22.Rf3 Qd4 23.Nd1 Nd5 24.Qf2 Rf3 25.Qf3 Qc5 (25...c5!? 26.h3–+) 26.Qf2-/+ Qf2 27.Nf2 Rf8 (27...c5 28.Ne4 c4 29.Rb2–+) 28.Kg1-/+ a5 29.Ng4 (29.Rb2!? b4 30.ab4 ab4 31.h4-/+) 29...Nc3–+ 30.Ra1 Ne2 31.Kh1 Nd4 32.Ne3 Rf2 33.c3 Nb3 34.Kg1 Rd2 (34...Na1?! 35.Kf2 Kg8 36.Kf3-/+) 35.Rb1 a4 (35...Rd3?! 36.Rb3 Re3 37.Kf2=) 36.Ng4 (36.Rf1 h6 37.Nd5 c5–+) 36...Rd3 37.Re1 (37...h5 38.Ne5 Rc3 39.Nf7 Kh7 40.Re6–+; 37.c4 b4 38.ab4 a3–+) –+. Marre – kitket, zagraj.pl, 2003.

6.Be2 Bf3 7.Bf3 Nf6 8.fe5 (8.a3 Bc5=+) 8...de5 9.0-0 Qe7 10.Nc3 (10.Qe2 0-0-/+) 10...e4-/+ 11.Be2 0-0-0 12.Bg4 (12.Qe1!?-/+) 12...Kb8–+ 13.Kh1 (13.Qe2 Ng4 14.Qg4 Rd2 15.Qg7 Qd8–+) 13...Bc5 14.Qe2 Rd2! 15.Qd2 Ng4 16.Rae1 (16.Nd1 Qg5–+) 16...Rd8 17.Qc1 (17.Qe2 Ne3 18.Ne4 Nf1 19.Qf1–+) 17...Qd6 18.g3 Qh6 19.Re2 (19.h4 Be3 20.Re3 Ne3 21.Re1–+) 19...Be3 20.Qe1 (20.Qb1 Nd4 21.Qd1 Kc8–+) 20...Nd4 21.Rg2 (21.Qd1 Kc8 22.Bc1–+) 21...Nf3 22.Qe2 (22.Qd1 Rd1 23.Rd1 b5 24.Rd8 Kb7 25.Na4 Nfh2 26.Nc5 Bc5 27.Rb8 Kb8 28.Re2 Qh3 29.Bd4 Nf3 30.Rh2 Qh2) 22...Rd2 23.Qd2 Bd2 24.Ne4 Nfh2 25.Rf7 Nf3 26.Rh2 Qh2 0–1. pukism (1750) – marekt (2025), gameknot.com, 2014.

6.Be2 f6!? =+.

6.Be2 Nf6 7.fe5 de5 8.Ne5 Be2 9.Qe2 Ne5 10.Be5 0-0 11.0-0 Be7 12.Nc3 c6 13.Rab1 b6 14.Rf5 Nd7 15.Bg3 b5 16.Rbf1 g6 17.R5f3 f5 18.e4 Bc5 19.Bf2 Bf2 20.R3f2 Re8 21.Qd3 Nc5 22.Qd8 Rad8 23.ef5 b4 24.Nb1 Ne4 25.Re2 gf5 26.Rf5 Nd6 27.Rg5 Kh8 28.Kf1 Rf8 29.Ke1 Rde8 30.Rc5 Re2 31.Ke2 White gets the initiative 31...Re8 32.Kd1 Rc8 33.c3 bc3 34.Nc3 Kg7 35.g4 Kg6 36.h4 h6 37.h5 Kf6 38.Ke2 Ke6 39.d4 Kf6 40.Kd3 a6 41.Ne4 Ke6? 42.Re5 Kd7 43.Nf6 Kc7 44.Re7 Kb6 45.Rh7 (45.Rh7 Ka5 46.Rh6+–) 1–0. Bonetti,Shane – Wakeham,Marc, PCM–2004–G1 ETC, 2004.

6.Be2 Nf6 7.fe5 de5 8.Ne5 Be2 9.Qe2 Ne5 10.Be5 0-0 11.0-0 Be7 12.d4 c6 13.Nd2 Qd7 14.c4 Rfe8 15.h3 b6 16.Qf3 Rac8 17.Ne4 Qe6 18.Rac1 c5 19.Ng5 Qd7 20.Rf2 cd4 21.ed4 b5 22.c5 Bc5 23.Bf6 gf6 24.dc5 fg5 25.Qf6 Qe7 26.Rf5 Qf6 27.Rf6 Kg7 28.Rcf1 Re7 29.c6 a6 30.c7 Re6 31.Rf7 Kg6 32.Rd7 Rc6 33.Rff7 h6 34.Rg7 Kh5 35.Kh2 b4 36.Rd4 a5 37.Rd5 a4 38.Rb5 b3 39.ab3 ab3 40.Rb3 R8c7 41.Rc7 Rc7 42.Rb6 Rc2 43.Re6 Ra2 44.Kg3 Ra3 45.Kf2 g4 46.hg4 Kg4 47.Rh6 Ra2 48.Kg1 Kg3 49.Rg6 Kh4 50.Kh2 Rb2 51.Rc6 Ra2 52.Rc4 Kg5 53.Kh3 Ra3 54.g3 Rb3 55.Rc5 Kg6 56.Kh4 Rb4 57.g4 Rb6 58.Re5 Ra6 59.Rf5 Rb6 60.Rf4 Ra6 61.g5 Rb6 62.Rf6 Rf6 63.gf6 Kf6 ½–½. pukism (1760) – awnatari (1785), gameknot.com, 2014.

6.Be2 Nf6 7.fe5 de5 8.Ne5 Ne5 9.Be5 Qd5 10.Bf6 Qg2 +=.

6.fe5 de5-/+ 7.Be2 Bd6 (7...Qe7 8.0-0 Nf6 9.Nc3-/+) 8.0-0 Nf6 9.Ng5 Be2 10.Qe2 h6 11.Nf3 Nd7 (11...Qd7 12.Nh4-/+) 12.Nc3 0-0 13.Ne4 Be7 (13...Qe7!?-/+) 14.d4 (14.Qb5 Qc8=) 14...ed4 (14...Nb6 15.Ne5 Ne5 16.de5 Qd5=) 15.ed4 (15.Nd4!? Nde5 16.Nf5+=) 15...Re8 16.Qd3 (16.Rae1 Nf6+=) 16...Nf6 17.Rae1 Bb4 (17...Qd7 18.Qb3-/+) 18.c3 Ne4 19.Re4 Re4 20.Qe4 Qe7 21.Ne5? (better is 21.Qd3!? Bd6 22.Re1+=) 21...Bc5!–+ 22.Rf7? (22.dc5 Qc5 Double attack (22...Ne5 Deflection; 22...Qe5 Decoy)) 22...Qe5 23.Qg6 (23.Qe5 Ne5 24.Rc7–+) 23...Qe1 (better is 23...Ne7!? 24.Rg7 Qg7 25.Qg7 Kg7 26.dc5–+) 24.Rf1 Qe3 25.Kh1 Rf8 26.Rf8 (26.Qb1 Bd6 27.Rf8 Bf8–+) 26...Bf8 27.h3 (27.Qb1–+) 27...Qe1 28.Kh2 Bd6 29.g3 Qf2 30.Kh1 Qb2 (better is 30...Ne7 31.Qe6 Kh8 32.h4–+) 31.Qe8 (31.Qe6 Kf8 32.Qf5 Ke7 33.Qe4 Kd8–+) 31...Kh7 32.Qe4 g6 33.Qf3 Qb1 34.Kg2 Qa2 35.Kg1 Ne7 36.Qd3 Nf5 37.Qb5 Bg3 38.Qd7 Ng7 0–1. Alessandro,Sergio (1680) – Adzic,Slobodan (2145), San Bernardino SUI, Open, 2014.

5.e4 Qe7

6.a3 Bc5 A) 7.Bb5 Bg4 (7...Bd7 8.d3 f6 9.Nc3 a6 10.Bc4 Qd8 11.Bc1-/+; 7...f6 8.f5 g6 9.Nh4 Qg7 10.Nc3 gf5 11.ef5-/+) 8.fe5 de5 9.Qe2 Nf6 10.h3 Bd7 11.Bc6-/+; B) 7.fe5 de5 8.Bb5 Bd7 9.Qe2 Nf6 10.d3 Nd4 11.Bd4-/+.

6.Bb5 A) 6...ef4? 7.Bg7 f5 8.Bh8 fe4 9.Nd4 Qh4 10.Kf1+–; B) 6...Nf6 7.fe5 Ne4 8.c3 Bc5 9.Qa4 Nf2 10.Rf1 Bd7 11.Rf2+=; C) 6...Bg4 C1) 7.fe5 de5 8.Qe2 f6 9.c3 Bd6 10.d4 Bd7 11.0-0+=; C2) 7.Bc6 bc6 8.fe5 de5 9.h3 Bf3 10.Qf3 Rb8 11.Nc3+=; C3) 7.0-0 Rb8 (7...Bc5 8.d4 ed4 9.Bd4 Qf6 10.Bc6 bc6 11.Bc5+=; 7...Nf6 8.c3 Bc5 9.d4 ed4 10.cd4 Bb6 11.Bc6+=; 7...f5 8.Re1 Nf6 9.ef5 e4 10.Bf6 gf6 11.c3=) 8.Nc3 Bc5 9.Kh1 Nf6 10.h3 Bf3 11.Qf3-/+; C4) 7.Qe2 Rb8 8.Nc3 Nf6 9.Nd5 Nd5 10.ed5 a6 11.dc6+=; D) 6...Bd7-/+ D1) 7.fe5 de5 8.a3 Bc5 9.Qe2 Nf6 10.Bc6 Bc6 11.Ne5-/+; D2) 7.Qe2 Nf6 (7...f6 8.fe5 de5 9.c3 Bd6 10.0-0 a6 11.Bc4-/+) 8.Bc6 Bc6 9.a3 Ba5 10.fe5 Ne4 11.0-0-/+; D3) 7.a3 Bc5 8.Qe2 f6 9.Nc3 a6 10.Nd5 Qd8 11.Bc6+=.

6.Bc4 Nf6 (6...ef4? 7.Bg7 f5 8.Bh8 fe4 9.Nd4 (9.Bg8 ef3 10.Kf2 Bc5 11.Kf3 Qg5-/+) 9...Qh4 10.Kf1+–) 7.fe5 (7.a3 Bc5 8.fe5 de5 9.Nc3 Nd4 10.d3 Bg4 11.h3–+; 7.Qe2 ef4 (7...Bc5 8.Bb5 ef4 9.d4 Bb6 10.e5 Nd5 11.c4-/+) 8.e5 de5 9.Ne5 Ne5 10.Be5 0-0 11.c3–+) 7...de5 (7...Ne4?! 8.a3 (8.Qe2 f5 9.ef6 Nf6 10.Bf6 gf6 11.c3-/+) 8...Ba5 (8...Bc5 9.Qe2= Bf5 10.d3 Ng5 11.Ng5+=) 9.Qe2 f5 10.Bd5 Bd7 11.ed6+=; 7...Ne5 8.Ne5 de5 9.Qf3 Bc5 10.Rf1 0-0 11.Nc3-/+) 8.0-0?? (8.a3 Bc5 9.Nc3 0-0-/+ (9...Nd4 10.d3 Bg4 11.h3–+) 10.Rf1 Nd4 11.d3–+) 8...Bg4 (better is 8...Qc5!? 9.Kh1 Qc4 10.Ne5 Ne5 11.Be5–+) 9.c3 (9.Qe2!? Bc5 10.Kh1 Nd4 11.Bd4 Bd4-/+) 9...Bc5 10.d4 (10.Kh1 Ne4 11.d4 0-0-0–+) 10...Rd8 (10...0-0-0!? 11.Qc1–+) 11.Bb5 ed4 12.cd4 0-0 (12...Bf3!? 13.Qf3 Bd4 14.Bd4 Rd4-/+) 13.Bc6-/+ bc6 14.e5 (14.Qc2 Bb6 15.e5 Nd5–+) 14...Ne4 (14...Bf3 15.Qf3 Rd4–+) 15.Qa4? (better is 15.Qc2 Bf3 16.dc5-/+) 15...Bf3–+ 16.Rf3 (16.gf3 Qe5 17.dc5 Qb2 18.Qe4 Qa1 19.a3–+) 16...Qe5 17.Rd3 (17.dc5 Qb2 18.Qe4 Rd1 19.Rf1 Rf1 20.Kf1 Qa1–+) 17…Qf6 (17...Qf6 18.Nd2 Qf2 19.Kh1 Nd2–+) 0–1. Vandervoort,WJ – Cameron, CCLA Quarterly corr USA, 1922.

5.e4 Nf6

6.Bb5 Ne4 7.Qe2 d5 8.Nc3 Bc3 9.Bc3-/+.

6.Bb5 ef4 7.0-0 0-0 8.Bc6 (8.Nc3 Bd7–+) 8...bc6 9.c3 Bc5 10.Kh1 (10.d4 Bb6 11.Qd2–+) 10...Rb8 11.Ba3 Ne4 12.Bc5 dc5 13.Na3 (13.d3 Nf6 14.Na3 Ng4–+) 13...Ba6 14.c4 Qd3 15.Qc1 (15.Qa4 Rb6–+) 15...f6 16.Kg1 (16.Rb1 Rb4–+) 16...g5 17.Qc2 Qc2 18.Nc2 Bc4 19.Rfc1 Be2 20.Nce1 Rfd8 21.d3 Bd3 22.Nd3 Rd3 23.Rc4 (23.Re1 Re8–+) 23...Rb4 24.Rac1 0–1. awnatari (1790) – marekt (2020), gameknot.com, 2014.

6.c3 Bc5–+ 7.d4 ed4 8.cd4 Bb4 9.Nbd2 Ne4 10.d5 Bd2 11.Nd2 Qh4 12.g3 Ng3! 13.Nf3 Qe7 14.Kf2 Nh1 15.Kg1 Qe3 16.Kh1 Ne7 17.Ng5 Qf4 18.Bb5 Kf8 19.Qh5 Bg4 20.Nh7 (20.Qf7 Qf7 21.Nf7 Kf7 22.Rf1 Kg8–+) 0–1. juanpacio (1740) – kisei (2030), internet, 2007.

6.Bc4 Qe7 7.0-0 Be6 (7...Ne4 8.fe5 de5 9.Kh1–+) 8.Bb5 0-0 9.c3 Ba5 10.Bc6 bc6 11.Kh1 Ne4 (better is 11...ef4!? 12.Nd4 Bd7-/+ (12...Ne4?! 13.d3-/+)) 12.Qa4=+ Nc5 13.Qa5 ef4 (13...Bc4 14.Re1 Nd3 15.Na3=+) 14.Ne5 (14.Ba3!?+=) 14...Qg5 15.Nd3?? (15.Nf3 Qe7 16.Ba3+/–) 15...Bc4–+ 16.Rf3 Rfe8 17.Na3 (17.h4 Qh4 18.Rh3–+) 17...Bd3 18.Rd3 (18.Rg1 Re2 19.c4 Be4–+) 18...Re2 19.g3 fg3 (19...Qg6 20.Rf1 Qd3 21.Kg1 fg3 22.Rf4 gh2 23.Kh1 Qd5 24.Rf3 Qf3) 20.Rg3 Qd2 21.Rg7 (21.Rf1 Rh2 22.Kg1–+) 21…Kg7 (22.c4 Qb2 23.Qc3 Qc3 24.Rg1 Kh8 25.Rg3 Qe1 26.Rg1 Rg8 27.Re1 Re1) 0–1. Plantet,Marc (2085) – Belz,Florian (1690), Yvelines–ch Fontenay le Fleury, 2003.

6.Bd3 Bg4 7.h3 Bf3 8.Qf3 0-0 9.f5 Bc5–+ 10.c3 a6 11.g4 Nd7 12.h4 Nb6 13.g5 Rb8 14.Qg4 Na4–+ 15.Ba3 0–1. Pereyra,Marcelo Malgarejo – Stanitz,Antal, KMG–33, 1995.

6.Bd3 Bg4 7.h3-/+ Bf3 8.Qf3 Qd7 9.c3 Bc5 10.Bb5 a6 11.Ba4 b5 12.Bc2 0-0 13.g4 d5 14.f5 de4 15.Be4 Ne4 16.Qe4 Rad8 17.a4 Na5 18.ab5 Nb3 19.ba6 Na1 20.Ba1 Qb5 21.c4 Qa6 22.Bc3 Bd4 (22...Bd4 23.Bd4 Qc4–+) 0–1. Pietrzak,Janusz – Probola,Ryszard, corr Tch19–Poland, 1992.

6.fe5 Ne5 7.Ne5 de5 8.Bc4?! 0-0 (8...Ne4 9.0-0 0-0 10.Be5 Qg5-/+) 9.0-0 Bc5 10.Kh1 Ng4 (10...Ne4 11.Qe1₯ Bd4! 12.c3 Nd6 13.Bb3 Bb6 14.Qe5 Re8 15.Qh5 Be6-/+) 11.Qe1 (11.Qe2 Nh2 12.Rf7₯ Rf7 13.Bf7 Kh8 (13...Kf7 14.Qh5 Kg8 15.Qh2 Bd4=+) 14.Qh5 Ng4 15.Bg6 h6–+; 11.Qf3? Nh2–+) 11...Be6?! (11...Bf2!? A) 12.Qe2 Qh4 13.Be5 Ne5 14.Qf2 (14.Rf2 Ng4 15.g3 Nf2 16.Qf2 Qe4–+) 14...Qf2 15.Rf2 Nc4–+; B) 12.Rf2 Qh4 13.Kg1 (13.g3? Nf2 14.Kg2 Qe4 15.Qe4 Ne4–+; 13.Be5 Nf2 14.Kg1 Nh3 15.Kf1 Qe1 16.Ke1 Re8-/+) 13...Qh2 14.Kf1 Qh1 15.Ke2 Nf2 16.Kf2 Qh4 17.Kf1 Qe1 18.Ke1 Re8unclear) 12.Be2 Qg5 (better is 12...f6) 13.Bg4 Bg4 14.Qg3 Qg6 15.Be5 Be2?! (15...Qe4 16.Bg7 Kg7 17.Nc3 Qc2 18.Qe5Υ) 16.Re1 Bb5 (better is 16...Qg3) 17.Nc3 Bc6 18.Qg6 fg6 19.Rf1 (19.Bc7?! Bd4 20.Ba5 (20.Rad1 Bc3 21.dc3 Rae8=+) 20...Rae8 21.d3 Re5=+; 19.d4 Rae8 20.Rf1 Bb4 21.Rf8 Rf8 22.d5 Bd7=) ½–½. Schwetlick – Kemeny, Binz 1995.

6.fe5 Ne4

7.Bb5 0-0 8.c3 Bc5 -/+.

7.Bb5 0-0 8.Bc6 bc6 9.Qe2 d5 10.0-0 Rb8 11.Bd4 c5 12.Be3 f6 13.a3 Ba5 14.d3 Ba6 15.c4 fe5 16.Ne5 Qd6 17.Rf8 Rf8 18.Nf3 Qf6 19.Ra2 Nd6 20.Bc5 dc4 21.d4 Bb7 22.Bd6 Qd6 23.Nbd2 Bd2 24.Rd2 Bf3 25.gf3 Qa3 26.Qc4 Kh8 27.Rf2 Rf6 28.d5 Qe3 29.Qe4 Rg6 30.Kf1 Qc1 31.Ke2 Qb2 32.Kf1 Qa1 33.Ke2 Qa6 34.Ke3 Qb6 35.Qd4 Qb3 36.Qd3 Qb4 37.Rc2 Rg5 38.Qe4 Qb6 39.Kd3 Qb5 40.Kd4 Rg1 41.Rc7 Qb2 42.Rc3 Rd1 43.Kc4 Qa2 44.Kc5 Qa5 45.Kd6 Qd8 46.Kc6 Rd2 47.Re3-/+ Qc8 48.Kd6 Qg8 49.Kc5 Rh2 50.d6 (50…Qc8 51.Kd4 Rd2 52.Rd3-/+; better is 50.Qe8!?=+). Wulf452 (2650) – WindCloud (2530), ChessWorld.net, 2003.

7.c3! Ba5 8.Bb5 0-0 9.d3 (9.Bc6 bc6 10.Qa4 Bc3 (10...Nc5? 11.Qa5 Nd3 12.Ke2 Nb2 13.Qb4 +–) 11.Bc3 Nc3 12.dc3 +–) 9...Nc5 (9...Ng5 10.Nbd2 Bg4 –+) 10.d4 Na6 (10...Nd7 =; 10...Ne4 11.Qa4 Bb6 12.Bc6 bc6 13.Qc6 Bf5) 11.Qa4 Rb8! (11...Bb6 12.Ba6 ba6 13.Qc6 +–; 11...Bd7) 12.Bc6 (12.Nbd2 de5 13.de5 Ne5 14.Qc2 Be6 1–0) 12...bc6 13.Qa5. Kucharkowski.

7.c3 Ba5 8.d3 Ng5 9.ed6 Nf3 10.Qf3 Qd6 11.Be2 0-0 12.0-0? Ne5–+ 13.Qg3 Qb6 (13...Qb6 14.d4 Qb2 15.Qe5 b6–+ (15...Qa1?! 16.Qa5 Be6 17.a3–+)) 0–1. juanpacio – vssrsanne, internet, 2007.

7.c3! Ba5 8.d3 Ng5 9.h4? Nf3 10.Qf3 Ne5. Kucharkowski.

7.c3! Ba5 8.d4 0-0 (8...de5 9.d5 +–) 9.Bd3 (9.Qa4? d5 =) 9...Ng5 (9...d5 10.Nbd2; 9...f5 10.ef6 Nf6 11.0-0 =; 9...Bf5 10.g4 Bg6 11.Nh4) 10.h4 (10.Nbd2) 10...Nf3 11.Qf3 Nd4 12.Qe4 Nc6! –+. Kucharkowski.

7.Bd3 d5 8.0-0 Bg4. Kucharkowski.

7.ed6 0-0 8.dc7 Qc7 9.Bd3 Nf6 10.Bf6 gf6 =. Kucharkowski.

7.ed6 0-0 8.dc7 Qc7 9.Be2 Bd6 10.Bd3 Bg3! 11.Ke2 Re8 12.Be4-/+ Re4 13.Kf1 Qb6 14.hg3 Qb5 15.Kg1 Qb2-/+ 16.Nc3 Re8 17.Rb1 Qa3 18.Rb3 Qd6 19.Ne2 Rb8 20.Nf4 Nd4 21.Rd3=+ Nf3 22.gf3 Qc5 23.Kg2 Bf5 24.Rc3 Qa5-/+ 25.a3 Rec8 26.g4 Rc3–+ 27.dc3 Rd8 28.Qe2 ½–½. Kucharkowski,Jens – Reyes, corr 3GMM–53, 1997.

7.ed6 Bd6 8.d3 Nf6 9.Qe2 Be6 10.Nc3 0-0 11.0-0-0 =. Kucharkowski.

7.e6 0-0 8.ef7 Rf7 9.Bc4 d5. Kucharkowski.

6.fe5 de5

7.Bb5 0-0 8.Bc6 bc6 9.0-0 Ba6 10.d3 Ng4 11.Qe2 Qe7 12.Kh1 Rab8 13.h3 Bd6 14.Bc3 Nf6 15.Nbd2 Nh5 16.Qf2 f6 17.Nb3 c5 18.Na5 Qe6 19.Nd2 f5 20.ef5 Rf5! 21.Qe3 (21.Qf5 Ng3 Double attack (21...Ng3 Decoy)) 21...Nf4 22.Ne4 Attacks the isolani on c5 22...Rbf8 23.Bd2 Qg6 24.Rg1 Bc8 25.Nc4 Rh5 26.Raf1 Bg4 27.Nf2 Bd7 28.Ne4 Ba4 29.Nb2 Bc6 30.Rf3 Qe6 31.c4 Rh6 32.Rgf1 Rg6 33.Rg1 Rb8 34.Bc3 h5 35.Qe1 Qf5 36.Qb1 h4 37.Qc2 Qh5 38.Qd1 Qh7 39.Qc2 Rg3 40.Rg3 hg3 41.Rf1? Nh3!–+ 42.gh3 Be4 43.de4 Qh3 44.Kg1 g2! 45.Qg2 Qc3 46.Rf2 Be7 47.Nd1? Qd4 48.Qg4 Bh4! 49.Qh4 Qd1 50.Kh2 Rb6 51.Rg2 Qc1 52.Rg7 ½–½. Nemec,Zdenek (2030) – Mujica,Hector (1860), SB–2010-0-00126, 2010.

7.Bb5 Bd7 8.Bc6 Bc6 9.Ne5 Be4 10.0-0 =. Kucharkowski.

7.Bc4 0-0–+ 8.0-0 Bg4 9.Qe1 Bf3 10.Rf3 Nd4 11.Rd3 Nc2 12.Rd8 Ne1 13.Ra8 Ra8 14.Nc3 Nc2 15.Rf1 c6 16.Nd1 Bc5 17.Kh1 Bd4 18.Bb3 Bb2 19.Bc2 Bd4 20.Bb3 Rf8 21.d3 Nd7 22.g3 Nc5 23.Bc2 b5 24.Kg2 a5 25.Kf3 (25.Kf3 f5 26.Ke2–+). Kucharkowski,Jens – Chemnitz,Mario, corr 12.DDR–JFM/Finale, 1983.

7.Bc4 Bg4 8.0-0 0-0 9.d3 Qd7 10.Nbd2-/+ Bc5 11.Kh1 a6 12.Qe1. Kucharkowski,Jens – Grosch,Andreas, KMG–02, 1988.

7.Bd3–+.

7.Ne5 Ne5 8.Be5 0-0 9.c3 Bd6 10.Bf6 Qf6 (10...gf6?! 11.Qf3 f5 12.ef5 Qh4 13.g3 Re8 14.Kf2=) 11.Qf3 Qf3 12.gf3 c5 13.d4 cd4 14.cd4 Be6 15.Bd3 Rac8 16.Ke2 f5 17.Nd2 fe4 18.Be4 (18.fe4 Bg4 19.Ke1 Rc3–+) 18...Rce8 19.Kd3 b6 20.a4 (better is 20.Rae1!?=) 20...Rd8-/+ 21.Ke3? (better is 21.Rhe1 Rf6 22.Kc3-/+) 21...Bf4–+ 22.Ke2 Rd4 23.Nf1 Bc4 24.Kf2 Ba6 25.Kg2 Be5 26.Ra2 Bc4 27.Ra3 Bd5 28.Bd5 Rd5 29.Ra2 Rfd8 30.Ne3 Rd2 31.Rd2 Rd2 32.Kh3 Ra2 33.Nc4 Bc7 34.Rc1 Rh2 35.Kg4 Ra2 36.Nb2 Be5 37.Rc8 Kf7 38.Nd3 Ra4 39.Kf5 Bd6 (39...Bd6 40.Ne5 Ke7–+) 0–1. Feng,Jason – Gomez,Alberto, RF–2008–0-00012, 2008.

7.Ne5 Ne5 8.Be5 Ne4 9.Qe2 Qd5 10.Bc3 +=.

7.Ne5 Ne5 8.Be5 Qe7 9.Bf6 Qf6 -/+ (9...gf6?! 10.Qe2=).

7.Ne5 Be6?? 8.Nc6 bc6 9.Qf3 0-0 10.Bf6 Qf6 11.Qf6 gf6 12.Be2 Rad8 13.c3 Be7 14.0-0 Rb8 15.d4 Rb2 16.Bd3 Ba2 17.Rf2 Bb1 18.Bb1 Rf2 19.Kf2 Bd6 20.Ra7 Rb8 21.Bd3 Bh2 22.Ra2 c5 23.g3 cd4 24.cd4 Rd8 25.d5 f5 26.Kg2 fe4 27.Be4 f5? 28.Bf3 c6 29.Kh2 cd5 30.Ra5 d4 31.Rf5 d3 32.Rd5 Rd5 33.Bd5 Kg7 34.Kg2 Kf6 35.Kf3 d2 36.Ke2?? h5+/– 37.Kd2 Kg5= 38.Bf3 h4 39.gh4 ½–½. Feng,Jason – Trevis,Robert, RF–2008–0-00017, 2008.

5.e4 Bg4

6.Bb5 Nge7 7.fe5=+ de5 8.Be5 0-0 9.Bb2 a6 10.Bc6 Nc6 11.0-0 (11.h3 Bh5=+) 11...Bf3 (11...Bc5 12.Kh1-/+) 12.gf3 (12.Rf3 Bc5 13.Kh1 Nd4=+) 12...Bc5 (12...Qg5 13.Kh1 Bc5 14.f4=+) 13.Kh1 Qh4 (13...Re8 14.Nc3-/+) 14.d4 (14.Qe1 Qf4=+) 14...Rad8 15.d5 Rfe8 16.Nd2 (16.Qe1 Qe1 17.Re1 Rd5–+) 16...Be3 17.Qe2 Bh6 (17...Bf4 18.Rg1 Be5 19.Be5 Ne5 20.Rab1=) 18.Qg2 Ne5 19.Bd4 (19.Rg1 f5=+) 19...b5 (19...Bd2 20.Qd2 f5 21.Qc3=) 20.a4 (20.Rg1 c6 21.c4 bc4 22.Nc4 Nc4 23.Bg7 Rd6 (23...cd5?? 24.Bh6 Qg3 25.Qg3 Kh8 26.Qg7) 24.Bf6 Bg5 25.Bg5 Ne3+–) 20...c6 21.ab5 ab5 22.Be5 (22.Bb6 Rd7 23.f4 Bf4 24.Nf3 Nf3 25.Rf3–+) 22...Re5-/+ 23.dc6?? (23.c4 Bd2 24.Qd2 bc4-/+) 23...Rc5?? (23...Bd2 24.c7 Rc8 25.Qd2 Rc5=) 24.Nb3 Rc6 25.Ra5 Bf4 (25...Rg6 26.Qe2 Bf4 27.Rb5-/+) 26.Rg1 (26.Rb5!? Rh6 27.h3=) 26...Rg6-/+ 27.Qe2 Rh6 (27...Rg1 28.Kg1 b4 29.Nc5-/+) 28.Rg2 Bh2 29.Rg4 (29.Rh2 Rd1) 29…Qh3 (30.Rh4 Qh4 31.Rb5 Be5 32.Kg1 Qg3 33.Qg2 Rd1#) 0–1. Kucharkowski,Jens – Dziel,Jaromir, corr 3GMM–53, 1996.

6.Bb5=+ Nge7 7.fe5 de5 8.Be5 0-0 9.Bb2 a6 10.Be2 Ng6 11.c3 Be7 12.d4 Nf4 13.0-0 Qd6 14.Na3? Qg6-/+ 15.g3 Nh3 16.Kg2 Qe4 17.Bd3 Qd5 18.Bc4 Qh5 19.Be2 Ng5 20.Ng1-/+ Be2 21.Ne2 Qh3–+ 22.Kg1 Qe6 23.Qd3 Bd6 24.c4 Rfe8 25.Rae1 Nb4 26.Qd2 Qe3 27.Qe3-/+ Re3 28.c5 Bg3 29.hg3-/+ Rae8 30.Bc1 Nf3 31.Rf3 Rf3 (31...Rf3 32.Rf1 Rd3–+ (32...Re2?! 33.Rf3 Re1 34.Rf1=)) 0–1. Kucharkowski,Jens – Landgraf,Manfred, corr KMG–27, 1993.

6.Bb5=+ Nge7 7.fe5 de5 8.Be5 0-0 9.Bb2 a6 10.Be2 Ng6 11.c3 Be7 12.d4 Nf4 13.0-0 Qd6 14.Nbd2 Qg6-/+ 15.g3 Ne2 16.Qe2 Rad8 17.Rf2 f5 18.e5 f4 19.Re1 fg3 20.hg3 Be6 21.c4 Qg3 22.Rg2 Qf4 23.Rf1? Bh3–+ 24.Ng5 Nd4 25.Qh5 Ne2 (25...Ne2 26.Re2 Qg5 27.Qg5 Rf1 28.Nf1 Bg5–+) 0–1. Kucharkowski,Jens – Landgraf,Manfred, corr KMG–26, 1992.

6.Bb5 f6 7.c3 Ba5 8.Qa4 Bb6 9.fe5 Bf3 10.gf3 fe5 11.Bc6 bc6 12.Qc6 Kf8 13.Na3 Nh6 14.0-0-0 Ke7 15.d4= Qd7 16.Qd7+/– Kd7 17.de5 Ke6 18.ed6+– cd6 19.c4 Rhg8 20.Rd5 Rab8 21.Nb5+– Bc5 22.Bd4 Bd4 23.Nd4 Kd7 24.e5 Nf7?? 25.e6 (25.e6 Ke7 26.ef7 Kf7 27.Rf5 Kg6 28.Rg1 Kh6 29.Rfg5+–) 1–0. Machete (2305) – madsenm, ICC, 2003.

6.Bb5 f6 7.Bc6 bc6 8.fe5 fe5 9.0-0 -/+.

6.c3 Bc5 7.Bc4 Nh6 8.d3 Na5–+ 9.Bb5 c6 10.Ba4 Qb6 11.Bc1 Be3 12.fe5 de5 13.Be3 Qe3 14.Qe2 Qe2 15.Ke2 Bf3 16.Kf3 0-0 17.h3 f5 18.Nd2? fe4–+ (18...fe4 19.Ke3 ed3 20.Kd3 Rf2–+) 0–1. Scheglmann,Eckhard – Landgraf,Manfred, corr KMG–05, 1988.

6.Be2 Bf3 7.Bf3 Bc5 8.fe5 de5 9.Nc3-/+.

6.Be2 Nf6 7.0-0 Ne4 8.d3? (better 8.d4-/+) 8...Bc5–+ 9.d4 (9.Kh1 Nf2 10.Rf2 Bf2 11.Ne5 de5 12.Bg4–+) 9...Nd4 (better 9...ed4 10.Bd3 f5–+) 10.Nd4 ed4 (better 10...Be2 11.Qe2 f5 12.Qb5 Qd7 13.Qb7 0-0 14.Qb3 d5 15.fe5 Rab8–+) 11.Bg4= 0-0 12.Bd4 (better 12.Qd3 Qf6 13.Na3=) 12...Bd4?? (better 12...Qf6 13.Bc5 Qa1=+) 13.Kh1?? (better 13.Qd4 Re8 14.Bf3+–) 13...Nf2 (better 13...Ba1 14.Bf3 Re8–+) 14.Rf2 Bf2 15.Nd2 Re8 16.Nf3 (16.Qf3 Qf6 17.Rb1 Be3–+) 16...c5 (16...Qf6!? 17.g3–+) 17.Qd5 Qc7 (17...Qf6 18.Rf1–+) 18.Ng5 Re7 (18...Qe7 19.Rf1 h6 20.Nf3–+) 19.Ne4 (19.Rf1 Be3–+) 19...Bd4 20.c3 (20.Rb1 Rae8 21.Bf3 Qc6 22.Qc6 bc6–+) 20...Be3 (better 20...Rae8!? 21.Bf3 Bc3 22.Rb1–+) 21.f5 (21.g3 Rae8 22.Rb1 b6–+ (22...Re4?! 23.Rb7 Qb7 24.Qb7-/+)) 21...Re5 (better 21...Rae8 22.Bf3 Bf4–+) 22.Qc4 (22.Qd6 Qd6 23.Nd6–+) 22...Rae8 (better 22...d5 23.Qd3 Re4 24.Bf3–+) 23.Ng5 (23.Ng3–+) 23…Bg5 (23...Bg5 24.Rg1 Re4–+) 0–1. Hilbert,Stephan J – Goldmund,Heike, FICGS, 2016.

6.h3 Bd7 7.fe5 de5 8.a3 Bc5 9.Bc4 Qe7 10.Nc3 Nf6 11.Rf1 0-0-0 12.Rb1 Be6 13.Bb5 Nd4–+ 14.Be2 Nf3 15.Bf3 Nd7 16.Qc1 Rhf8 17.d3 Nb6 18.Kd1 f5 19.ef5-/+ Bf5 20.a4 e4–+ 21.Be4?? Be4 22.Re1 Bd3! 23.cd3 Rd3 24.Kc2 Rf2 25.Re2 Re2 26.Kd3 Re3 27.Kc2 Na4! 28.Qf1 Nb2 29.Qf5 Kd8 30.Rb2 Bd4 31.Qd5 Qd7 32.Qg8 Re8 33.Qh7 Bc3 34.Kc3 Re3 35.Kc4 Qc6 36.Kb4 Qc3 (36...Qc3 37.Ka4 Qc4 38.Rb4 Qa6#) 0–1. marekt – galahantine, gameknot.com, 2001.

6.h3 Bf3 7.Qf3 Nge7 8.Bc4 0-0 9.0-0 Bc5 10.Kh1 ef4 11.Qf4=+ Qe8 12.Nc3 Ng6 13.Qg4 Nce5 14.Qe2 Nc4 15.Qc4 Qe6 16.Qe6 fe6 17.d3 Bd4 18.Na4 Bb2 19.Nb2 Rf1 20.Rf1 Rf8 21.Rf8 Kf8 22.Kg1 b5 23.Kf2 c5 24.c3 Ke7 25.g3 Ne5 26.Ke3 a5 27.d4 Nc6 28.a3 cd4 29.cd4 a4 30.Kd3 b4 (30...b4 31.Nc4 d5 32.ed5 ed5–+) 0–1. Hasler,Ueli – Sakai,Kiyotaka, corr or01–013, 2001.

6.h3 Bf3 7.Qf3 Nf6 8.Bb5 Qe7 9.Nc3 ef4-/+ 10.0-0-0 Bc3 11.Bc3 0-0 12.Rde1. Kucharkowski,Jens – Colossus 4, 1990.

5.fe5 Ne5

6.Ne5 de5 7.Be5 Bd6 8.Bd6=+ Qd6 9.e4 Qd4 10.Nc3 =+. marekt – bimbo, gameknot.com, 2001.

6.Ne5 de5 7.Be5 Qh4 8.Bg3 Qf6 9.c3 Be7 10.Bc7 Bf5 11.Qa4 Bd7 12.Qc2 Nh6 13.e4 Ng4 14.Bg3 0-0 15.Be2 Rfe8 16.Rf1 Qc6 17.h3 Nf6 18.d3 Rac8 19.Bf3 Qb5 20.Nd2 Bb4 21.c4 Qa5 22.Bh4 (22.Kd1!?=) 22...Ba4 23.Qc1 Nd7 24.Ke2 f6 25.Nb3 Qb6 26.Bf2 Qe6 27.Ba7 Rcd8 28.Bh5 g6 29.Bg4 Qe5 30.Be3 b6 31.Bd7 Rd7 32.Bb6 Qd6? 33.Qe3+– Red8? 34.Bd8 Rd8 35.d4 1–0. Bonetti,Shane – grt, ICC, 2002.

5.g3 Nf6

6.fe5 de5 7.Bg2 Qe7 8.0-0 0-0 9.c4 Bg4 10.Nc3 Qc5 11.Kh1 Qc4 12.Rc1 Qe6 13.Ng5 Qd7 14.Rf6 gf6 15.Nd5 Be7 16.Ba3 Kg7 17.Be7 Ne7 18.Rc7 Qd6 19.Re7 fg5 20.d4 Be6 21.de5 Qe5 22.Nc7 Rad8 23.Qe1 Kf6 24.Ne6 Ke7 25.Bf3?? b6 26.Qb4?? Qd6 27.Qe4?? Qe6 28.Qh7 Qa2 29.Qf5 Qa1 30.Kg2 Qf6 31.Qc2 a5 32.Qb3 Qd4 (32...Qd4 33.Qa3 Qc5–+) 0–1. Smolenskiy,Yuriy Andreyevich – Laurenc,Petr, corr ICCF EU/FSM/40, 1989.

6.fe5 Ne5 7.Ne5 de5 8.Be5 (8.Bg2 Bc5–+) 8...0-0 (better is 8...Qd5 9.c3 Bf8 (9...Qe5?! 10.Qa4 b5 11.Qb4-/+) 10.Bf6 Qh1–+ (10...gf6?! 11.Rg1=)) 9.Bf4?? (9.Bc3 Bc5 10.e3 Re8-/+) 9...Bf5 (better is 9...Qd5 10.Rg1 Qd4–+) 10.c3 Ba5 11.Bg2 Bb6 12.Bb7 Rb8 13.Bg2 Ng4 14.e3 Bd3?? (14...Re8 15.Qf3 Be3 16.de3 Qd3–+) 15.Qg4+– Bc5 16.Kf2 Re8 17.Re1 1–0. Feng,Jason – Huston,James, SF–2008–0-00008, 2008.

6.Bg2 ef4 7.c3 Bc5 8.gf4 0-0 9.d4 Bb6 10.Qd3 Re8 11.0-0 Qe7 12.Re1 Qe6 13.h3 Nh5 14.e3-/+ Qf6 15.Qb5 Bf5 16.e4-/+ Be4 17.Re4 Re4–+ 18.Qh5 Nd4! 19.cd4 Rd4 20.Nd4 Bd4 21.Bd4 Qd4 22.Kh1 Qa1 23.Qd1 Re8 24.a3 c6 25.Bf1 d5 (25...d5 26.Bd3 Re3–+) 0–1. Pierred – Antonia50 (2485), Rated game, 2006.

6.Bg2 ef4 7.gf4 Bg4 (7...Nd5!? 8.Rg1–+) 8.h3 Bh5 9.Nc3 (9.Nd4 Nd4 10.Bd4 c6-/+) 9...Qe7 (9...Bc3 10.Bc3 Ne4 11.Qb1 Bf3 12.Bf3 Qh4 13.Kd1 Nf2 14.Kc1 Nh1 15.Qb7–+) 10.e3 (10.Rf1 0-0-/+) 10...0-0-0 (10...Bc3!? 11.Bc3 Ne4 12.Bb2 Bf3 13.Bf3 Qh4 14.Ke2 Ng3 15.Kd3 Nh1 16.Bc6 bc6 17.Qh1–+) 11.Qe2 (11.0-0 d5 12.a3 Bc5–+) 11...Qe6 (11...Bc3 12.Bc3 Ne4 13.Bg7–+) 12.Nb5 (12.Rb1 Bg6-/+) 12...a6 (better is 12...Ne4!? 13.c3 Ng3–+) 13.Nbd4+= Nd4 14.Bd4 (14.Nd4!? Qd7 15.Qd3-/+) 14...Ne4 15.Qd3 (15.c3 Ng3 16.Qd1 Nh1 17.cb4 Ng3–+) 15…c5 (15...c5 16.c3 Qe7-/+) 0–1. Vilkesalo,Tero – Persson,Sven_Erik, IECC, 2002.

6.Bg2 Bg4 7.fe5-/+ Bf3 8.Bf3 de5 9.e3 e4 (9...h5!?-/+) 10.Bg2=+ Qd6 11.0-0 0-0-0 (better 11...Ne5!?=+) 12.Bf6+= gf6 13.c3 Bc5 14.Qg4 (worse 14.Be4 Be3 15.Kg2 Bg5=+) 14...Kb8 (14...Qe6 15.Qe4 Be7 16.d4+=) 15.Qe4+– h5 (15...Bb6 16.Qh4+–) 16.d4 Bb6 17.Nd2 Rde8 18.Qh4 Na5 (18...f5 19.Nc4 Qh6 20.Rae1+–) 19.Ne4+– Qe7 (19...Qa3 20.Qf6 Ref8 21.Rfb1+–) 20.Rae1 Qa3 21.Nf6 Rd8 22.Nd5 (22.Nh5 Qc3 23.Qg4 Nc4=) 22...Qa2 23.e4 (23.Ra1 Qc4 24.Qe4 Rhe8+–) 23...Nc4 24.e5 Qd2 (24...Qa3 25.Qf4+–) 25.Qf4 (25.Rd1 Qe2 26.Qf4 h4+–) 25...Qf4 26.Rf4 (26.gf4?! Ba5 27.Rc1 c5+=; worse 26.Nf4 Ba5 27.Ne2 Rd7+=) 26...Rh7 (26...Rd7 27.Ref1+–) 27.Bf1 Nb2 28.Nb6 cb6 29.Rc1 a6 30.c4 Rc8 (30...Ka7 31.Rb1 Na4 32.Ra1+–) 31.Rf2 Na4 32.Ra1 b5 33.cb5 ab5 34.Bb5 Nc3 35.Bd3 Rg7 36.Rc2 Nd5? (36...Rc7+–) 37.Ra8! Ka8 38.Rc8 Ka7 39.Be4 Ne3 (39...Nf4 40.Kf2 Ne6+–) 40.Rc3 Ng4 41.Rc7 h4 (41...Rg5 42.Rb7 Ka6 43.Rf7 Ne5 44.de5 Re5 45.Bf3+–) 42.e6 Nf6 (42...Rg8 43.Rb7 Ka6 44.ef7+–) 43.Bb7 hg3 (43...Rg8 44.ef7 Rf8 45.gh4+–) 44.ef7 gh2 45.Kh1 Nh7 (45...Rf7 46.Rf7 Ne8 47.Bc6 Nc7 48.Rc7 Kb6 49.Rc8 Ka7 50.Kh2 Kb6 51.Be4 Ka7 52.Rc6 Kb8 53.d5 Ka7 54.d6 Kb7 55.d7 Ka7 56.d8Q Kb7 57.Qd6 Ka7 58.Ra6) 46.Bg2 Kb6 47.f8Q Nf8 48.Rg7 Kb5 49.Rf7 Ne6 50.Rf5 Kc4 51.Bd5 (51.Bd5 Kd3 52.Be6 Kd2 53.d5 Kc3 54.d6 Kd4 55.d7 Ke3 56.d8Q Ke4 57.Qd1 Ke3 58.Bc4 Ke4 59.Qd3) 1–0. Pierre – Brandonli, internet, 2019.

5.g3 Bg4

6.Bg2 Bf3 7.Bf3 Nge7 8.0-0 0-0 9.e3 Rb8 10.Bg2 f6 11.Nc3 Bc3 12.Bc3 d5 13.Qg4 d4 14.Bb2 Qc8 15.Qc8 Rfc8 (worse is 15...Nc8 16.fe5 Ne5 17.Bd4+=) 16.Bh3 Re8 17.fe5 fe5 18.Be6 Kh8 19.Rae1 Rf8 20.Bb3 Rf1 21.Rf1 de3 22.de3 Re8 23.Ba3 e4 24.Rf7 h5 25.Ba4 Nd5 26.Bc6 (better is 26.Bb2!? Rg8 27.Rf5+/–) 26...bc6+= 27.Bc5 Kg8 28.Rd7 Rc8 29.Bd4 Nf6 30.Bf6 gf6 31.Kg2 Kf8 32.Kh3 f5 33.Kh4 Ke8?? (better is 33...Rb8+/–) 34.Rh7+– Rd8 35.Rh8 Ke7 36.Rd8 Kd8 37.Kh5 Ke7 38.Kg5 Ke6 39.h4 c5 40.Kg6 c4 (40...Ke7 41.h5 Kf8 42.Kf5+–) 41.h5 1–0. Feng,Jason – O'Brien,Glenn, SF–2008–0-00010, 2008.

6.Bg2 f6 7.e4 Qd7 8.Nc3 0-0-0 9.h3 Be6 10.f5 Bc4 11.d3 Ba6 12.Qd2 Nd4 13.0-0-0 (13.0-0-0 Nb5 14.Qe1-/+; 13.a3!? Nf3 14.Bf3-/+). Hauswald,Helfried – Giese,Guido, corr KMG–04, 1988.

5.g3 h5!?

6.fe5 h4 7.Bg2 h3 8.Bf1 de5 9.Ne5? Ne5–+ 10.Be5 Qd5 11.c3 Be7 (11...Be7 12.Bg7 Rh7 (12...Qh1 13.Bh8 Qh2 14.Qa4 c6 15.Be5-/+) 13.Qa4 b5–+; 11...Bf8!? 12.Bg7 Bg7 13.Qa4 Bd7 14.e4–+) 0–1. Zylla,Johannes – Kucharkowski,Jens, corr KMG–22, 1990.

6.Bg2 h4 7.0-0 hg3 8.hg3 ef4 9.gf4 –+. Kucharkowski.

6.Bg2 h4 7.gh4 Bg4 8.Ng5 Rh4 –+. Kucharkowski.

6.Bg2 h4 7.Nh4 ef4 –+. Kucharkowski.

6.Bg2 h4 7.Nh4 Rh4 8.gh4 Qh4 9.Kf1 Qf4 10.Kg1 Bg4 11.Qf1 Bd2 12.Qf4 Bf4 –+. Kucharkowski.

4.Nf3 Nd7

5.a3 Ba5 6.e3 Nh6 7.fe5 de5 8.Ne5 Qh4 9.g3 Qe4 10.Qf3 Qc2 11.Nd3 Nc5 12.Bg7 Nd3 (12...Nb3 13.Kf2 Ng4 14.Kg1 Rg8-+ (14...Na1?! 15.Bh8 Qb1 16.Qe4 Be6 17.Qa4 c6 18.Qa5-+)) 13.Bd3+= Qd3 14.Qe2?? (14.Bh8 Bg4 15.Qf2=+) 14...Qe2 15.Ke2 Bg4 16.Ke1 0-0-0 17.Bh6 Rd6 18.Bf4 Rd3 19.Ra2 Rhd8 Increases the pressure on the backward pawn 20.Rb2 a6 (20...Bf5 21.Ke2-/+) 21.h3 (21.Rf1 R3d5=+) 21...Be6 22.g4 b5 23.Rh2 R8d7 (23...c5 24.Rf2-/+) 24.Rf2 Kb7 25.Kf1 c6 26.Be5 Bd8 27.Bf6 Bc4 28.Kg1 Bb6 29.Rf3 a5 30.Kf2 a4 31.Bc3 c5 32.Rf6 R3d5 33.Kg2 Bd3 34.Kf3 Ka6 35.h4 R5d6 36.Rd6 Rd6 37.g5 (37.Be5 Rd5 38.Bc3 Bd8-/+) 37...Ba5 38.Kf4 Re6 39.Be5 (39.Ba5!? Ka5 40.Nc3-+) 39...Bb1-+ 40.Rb1 Bd2 (40...Bd2 41.Rd1 Be3 42.Ke3 Re5 43.Kf4 Re2 44.Rd6 Ka5-+) 0-1. pcmvr – aperturaf, net-chess.com, 2022.

5.c3 Ba5 6.Na3 c6 7.Nc4 Bc7 8.Ba3 e4 (8...Nb6 9.e3 ef4 10.ef4 Nf6-/+) 9.Ng5? (9.Nd4!? Nb6 10.e3-/+) 9...d5–+ 10.Nd6 (10.e3 Nb6 (10...dc4?! 11.Bc4 Ne5 12.Qh5=) 11.Nb6 ab6–+) 10...Bd6 11.Bd6 h6 12.Nh3 Nb6 13.Bc5 Bh3 14.gh3 Qh4 15.Bf2 Qf4 16.Bg2 (16.Rg1 g5–+) 16...Nc4 17.Rb1 b6 18.d3 Ne3 19.Be3 Qe3 20.c4 (20.de4 de4 21.Qd4 Qd4 22.cd4 f5–+) 20...Nf6 (20...Qg5 21.0-0 dc4 22.Qc2 Qc5 23.Kh1–+) 21.cd5 cd5 22.Qa4 Kf8 23.Qb4 Kg8 24.Qd4?? (24.Qd2 Qc5 25.de4 Ne4 26.Be4 de4 27.Qb4–+) 24…Qd4 (24...Qd4 25.de4 de4–+) 0–1. varcany (2100) – pvanr (2220), gameknot.com, 2014.

5.e3 Qe7!? -/+.

5.e3 Nh6 6.Be2 0-0 (6...Nf5 7.0-0 e4 8.Ng5+=) 7.fe5+= de5 8.Nc3 (8.Ne5 Ne5 9.Be5 Qe7+=) 8...b6 (8...Bc3 9.Bc3 e4 10.Nd4-/+) 9.0-0 Bb7 10.a3 Bd6 11.e4 Kh8 (11...Nf6 12.Qe1-/+) 12.Bc4 c6 13.Qe1 b5 14.Be2 Nc5 15.Qh4 (15.Qg3 f5-/+) 15...Qh4 16.Nh4 a5 17.Nf3 f6 18.d3 Nf7 19.g3 b4 20.Nd1 b3 21.Rc1 (21.cb3 Ba6-/+) 21...a4–+ 22.Kg2 Ba6 23.Nf2 Rfb8 24.Rfe1 Kg8 25.c3 Ne6 26.d4 Be2 27.Re2 Re8 28.Nd2 (28.Nd3 Rab8–+) 28...ed4 29.cd4 c5 (29...Ba3!? 30.Ba3 Nd4 31.Re3–+) 30.d5 Nd4 31.Ree1 Be5 (31...Ne5 32.Nc4 Nc4 33.Rc4–+) 32.Nc4 (32.Rc5 Nf3! 33.Kf3 Bb2–+) 32...Nc2 33.Rc2 bc2 34.Ne5 (34.Rc1 Bb2 35.Nb2 Nd6–+) 34...Ne5 35.Be5 Re5 36.Rc1 (36.g4 g6 37.Rc1 f5 38.gf5 gf5 39.Rc2 fe4–+) 36...f5 0–1. marekt (2170) – unrealness (2150), gameknot.com, 2015.

5.fe5 de5 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe4 de5).

5.e3 Ngf6

6.a3+= Ba5 7.fe5 de5 8.Ne5 Ne5 9.Be5 Ne4 10.Bd3? (better is 10.c3!? 0-0 11.Qa4=) 10...Qg5-/+ 11.Qf3 Nd2 (worse is 11...Qe5 12.Qe4 Qe4 13.Be4+=) 12.Nd2 Bd2 13.Kd2 Qe5 14.Qe4 Qe4 15.Be4 c6 16.Kc3 Bd7 17.Raf1 f6 18.Bf5 Bf5 19.Rf5 0-0-0 20.Re1 Rhe8 21.e4 Kc7 22.g4 h6 23.h4 Rd5! 24.ed5 (24.ed5 Re1 Pinning (24...Re1 Deflection); 24.Rd5 cd5 Combination) 24...Re1 25.dc6 Kc6 26.Rf4 Re3 27.Kb2 Kd5 28.c4 Ke5 29.Rf5 Kd6 30.Rd5 Kc6 31.Rd4 Rg3 32.Re4 a5 33.Rf4 Kc5 34.Re4 a4 35.h5 Rg2 36.Kc1 b6 37.Kb1 Rd2 38.Re7 Kc4 39.Rg7 Kb3 40.Kc1 Rc2 41.Kd1 b5 0–1. Braak,Jelle van den (1945) – Maeuer,Karl_Heinz (1960), GER–NED ICCF, 2011.

6.a3 Bc5 7.d4 -/+.

4.Nf3 f6

5.Nc3 Bc3 0–1. cammalor (1810) – gabrel (2040), gameknot.com, 2014.

5.e4 Nc6 6.Bc4 Nge7 7.0-0 Bg4 8.f5 (8.c3 Ba5-/+ 9.Na3 (9.d4 ef4 10.h3 Bd7 11.Nbd2 Ng6 12.Ne1 Bb6 13.Nd3 Nce5 14.Nf4) 9...ef4 10.d4 Bb6 11.Qd2 g5 12.Bb3 Qd7 13.h3 Bf3 14.Rf3; 8.h3 Bh5 9.c3 (9.d4 Nd4 10.Bd4 ed4 11.Qd3 Bf3 12.Rf3 Nc6 13.Bd5 Bc5 14.Bc6) 9...Ba5 10.d4 ef4 11.Qb3 Kf8 12.Nbd2 Bb6 13.Be6 Na5 14.Qa4) 8...Bc5 (8...d5!? 9.ed5 Nd5 10.Qe1-/+ (10.Qe2 Nce7 11.d4 ed4 12.Bd4 Kf8 13.c3 Bd6 14.Nbd2) 10...Qe7 11.Kh1 0-0-0 12.Qe4 Nf4 13.g3 Bf3 14.Rf3) 9.Kh1-/+ Nd4 (9...d5 10.ed5 Na5 11.Qe2-/+ Bf3 12.Rf3 Nc4 13.Qc4 Qd5 14.Qa4) 10.c3 (10.Nc3 g6=+ (10...Nec6 11.Nd5 Qd7 12.Bd4 Nd4 13.Ne5 Bd1 14.Nd7) 11.Na4 gf5 12.c3 Nf3 13.gf3 Bh5 14.Nc5; 10.Bd4 ed4 11.Qe1 Kf8 12.Qh4 h5 13.h3 d5 14.hg4) 10...Nf3-/+ 11.gf3 Bh3 (11...d5 12.fg4 dc4 13.Qa4 Nc6 14.Qc4) 12.Re1 c6 (12...d5!? 13.ed5 Bd6-/+ 14.Rg1) 13.d4= ed4 (13...Bb6!? 14.f4 h5=; 13...Qb6 14.Bb3) 14.cd4+= Bb4 (14...d5 15.ed5 Bd6 16.Nc3+=) 15.Nc3 d5 (15...Qa5 16.Qb3+–) 16.Bb3 (better 16.ed5 b5 17.Bb3+=) 16...de4? (better 16...Qc7 17.a3 Bc3 18.Bc3 0-0-0+=) 17.fe4+– h5 18.Qf3 (18.Qd3 Bg4 19.h3 c5+–) 18...Bg4+= 19.Qe3 h4? (better 19...c5 20.d5 a6+=) 20.Rg1+– g5?? (20...Bh5 21.Rg7 Qb6+–) 21.fg6 (21.Rg4 Rh6+–) 21...Qd7 (21...Bh5 22.g7 Rg8 23.Bg8 Ng8 24.Raf1+–) 22.Qf4 (22.Bf7 Kd8 23.Qf4 Ng6 24.Bg6 f5+–) 22...Ng6 (22...Be6 23.Qf6 Bb3 24.Qh8 (worse 24.ab3 Rg8 25.Qf7 Kd8+–) 24...Bg8 25.Qh4+–) 23.Qg4 Qg4 24.Rg4 Nf8 (24...Ne7 25.Rg7+–) 25.Rf1 0-0-0 (25...Nd7 26.Rg7+–) 26.d5 (26.Rf6!? Nd7 27.Be6 Rh7+–) 26...Be7 (26...Nd7 27.dc6 bc6 28.Be6+–) 27.Ne2 (better 27.Rg7 Rd7+–) 27...Rd6 (27...cd5 28.Bd5 Nd7 29.Rg7+–) 28.Nf4 (28.e5 fe5 29.Be5 Rhh6 30.Bd6 Rd6+–) 28...Rh6 (28...Nd7 29.Rg7 Bf8 30.Rf7 cd5 31.Nd5+–) 29.Ba3 Rd7 (29...Rh7 30.Bd6 Bd6 31.Rg8+–) 30.Be7 Re7 31.Rg8 Re8 (31...Kc7 32.Rf8 Kd6 33.dc6 bc6 34.Rd1 Kc5 35.Ne6 Kb6 36.Bc4 Re6 37.Be6+–) 32.Ne6 Kd7 33.Rf8 (33.Nf8 Kd6 34.dc6 Kc6 35.Ba4 b5 36.Rc1 Kd6 37.Bb5 Re4+–) 33...Rf8 34.Nf8 Kd6 (34...Ke7 35.Ne6 Rh8 36.dc6 bc6 37.Kg2+–) 35.Rf5 (35.dc6 bc6 36.Kg2 Ke7+–) 35...Ke7 (35...c5 36.Bc4+–) 36.Ne6 h3 (36...cd5 37.Rd5 Rh7 38.Nc5+–) 37.dc6 bc6 38.Nd4 Kd6 (38...Kd7 39.Rc5 Kd6 40.Ra5+–) 39.Ra5 Rh7 (39...Rg6+–) 40.Nf5 (40.Nf5 Kc7 41.Ra7 Kb6 42.Rh7+–) 1–0. Paltrinieri,Mario – Weisbrod,Juergen, corr KMG–29, 1994.

5.e4 Bg4 6.c3 Bc5 7.d4 ed4 8.cd4 Bb4 9.Bc3 Bc3 10.Nc3 Ne7 11.h3 Bh5 12.Bc4 Bf7 13.Bf7 Kf7 14.Qb3 Kf8 15.Qb7 Nd7 16.0-0 c5 17.Rfc1 Qc8 18.Rab1 Kf7 19.Nb5 Qb7 20.Nd6 Ke6 21.Nb7 cd4 22.Nd4 Kf7 23.Rc7 Nb6 24.Nd6 Kf8 25.Ne6 1–0. bolaf (1950) – pukism (1785), gameknot.com, 2014.

5.e4 Nh6 6.Bc4 Ng4 7.Qe2 ef4 8.c3 Bc5 9.d4 Bb6 10.Bc1 g5 11.h3 Ne3 12.Be3 fe3 13.Ng5 fg5 14.Qh5 Kd7 15.Rf1 Kc6 16.Bd5 Kb5 17.Qe2 Ka5 18.Na3 c6 19.Nc4 Ka6 20.Ne3 Ka5 21.Nc4 Ka6 22.Nd2 Ka5 23.Nb3 Ka4 24.Qc4 Ka3 25.Qb4 Kb2 26.Rf2 1–0. varcany (2115) – pukism (1755), gameknot.com, 2014.

5.a3 Ba5

6.e3 c5 7.Nc3 Ne7 8.Bb5 Bd7 9.Bd7 Qd7 10.0-0 Bc3 11.Bc3 e4 12.Nh4 0-0 13.Qh5 d5 14.Rab1 Na6 15.f5 d4 16.Ba1 Nc6 17.Rfe1 de3 18.de3 -/+.

6.e3 c6 7.fe5 de5 8.Bd3 Be6 9.0-0 Ne7 10.Nc3 0-0 11.Qe1 Nf5 12.Qe2 Nd6 13.Ne4 Ne4 14.Be4 f5 15.Bd3 e4 16.Bc4 Bc4 17.Qc4 Qd5 18.Qd4 -/+.

6.e3 Qd7 7.Nc3 ef4 8.ef4 Ne7 9.Bc4 d5 10.Bb3 c6 11.0-0 0-0 12.Ne2 Re8 13.c4 Bb6 14.d4 Nf5 15.cd5 cd5 16.Nc3 Ne3 17.Qd3 Nf1 18.Nd5 =+.

6.e3 Nd7 7.Bc4 Ne7 8.0-0 ef4 9.ef4 d5 10.Bb3 0-0 11.Bc3 Bb6 12.d4 Re8 13.Re1 c6 14.Bd2 Nf8 15.c4 Ne6 16.c5 Bc7 17.g3 b6 18.Be3 –+.

6.e3 Be6 7.fe5 fe5 8.Ne5 de5 9.Qh5 Kd7 10.Qe5 Nc6 11.Qg7 Nge7 12.Qh8 Qh8 13.Bh8 Rh8 14.Bd3 Ne5 15.Be4 Nf5 16.Ke2 Nd6 17.Bf3 Nf3 18.gf3 =+.

6.e3 Qe7 7.Bc3 Bb6 8.fe5 fe5 9.Bc4 Bg4 10.e4 Nf6 11.d3 Nh5 12.h3 Bd7 13.Bd2 Nf4 14.Rh2 Be6 15.Be6 Qe6 16.Nc3 0-0 17.Bf4 ef4 18.Qb1 -/+.

6.e3 Ne7 7.fe5 de5 8.Bc4 Bg4 9.h3 Bh5 10.g4 Bg6 11.Bc3 Nbc6 12.d3 e4 13.Nh4 Qd6 14.Qe2 Bc3 15.Nc3 Na5 16.Ng6 hg6 17.d4 f5 18.Ba2 -/+.

6.e3 ef4 7.Nh4 g6 8.ef4 Qe7 9.Be2 Qe3 10.Rf1 Qb6 11.Qc1 d5 12.f5 Qd6 13.g3 d4 14.Rf4 c5 15.fg6 hg6 16.Bd3 g5 17.Re4 Ne7 18.Nf3 –+.

6.e3 ef4 7.Nh4 g6 8.ef4 Qe7 9.Be2 Bg4 10.h3 Be2 11.Qe2 Nd7 12.Nf3 0-0-0 13.Kd1 Qe2 14.Ke2 Re8 15.Kd1 Ne7 16.g3 d5 17.Re1 Bb6 18.g4 -/+.

6.e3 ef4 7.Nh4 g6 8.ef4 Qe7 9.Be2 Bg4 10.h3 Be2 11.Qe2 Nd7 12.Nf3 0-0-0 13.Kd1 Qe2 14.Ke2 Re8 15.Kd1 Ne7 16.g3 Nd5 17.Ra2 N7b6 18.Rh2 -/+.

6.e3 ef4 7.Nh4 g6 8.ef4 Qe7 9.Kf2 d5 10.Bb5 Kd8 11.Qe2 c6 12.Qe7 Ne7 13.Be2 Bb6 14.d4 Re8 15.Nf3 Bf5 16.c3 c5 17.Nbd2 Nbc6 18.Rhe1 -/+.

6.e3 Nh6 7.fe5 de5 8.Be2 Be6 9.0-0 Nf5 10.Nc3 Nd6 11.Qe1 Nc6 12.Qh4 Qd7 13.Na4 Nf5 14.Qf2 b6 15.Nc3 Rd8 16.Rab1 0-0 17.Bd3 Nce7 18.Bb5 -/+.

6.e4 a6 7.Nh4 g6 8.Bc4 b5 9.Bb3 Bb7 10.Qe2 Bb6 11.Nf5 Kf8 12.Nh4 Kg7 13.Nf3 Nd7 14.fe5 de5 15.Nc3 Nc5 16.Bd5 c6 17.Ba2 Bc8 18.Rb1 -/+.

6.e4 Bb6 7.fe5 fe5 8.Nc3 Nf6 9.Bc4 Nc6 10.Rb1 Rf8 11.Rf1 Na5 12.Ba2 Bg4 13.h3 Bd7 14.Nh4 c6 15.Qe2 Bd4 16.Nf3 b5 17.Nd4 ed4 18.Nd1 -/+.

6.e4 c6 7.g3 Nd7 8.Nc3 Nc5 9.Qe2 Ne7 10.Bg2 Qb6 11.0-0-0 ef4 12.gf4 Ne6 13.f5 Nf4 14.Qf1 Rg8 15.Re1 g6 16.Rg1 gf5 17.ef5 Bc3 18.Bc3 -/+.

6.e4 Qd7 7.fe5 fe5 8.Ne5 de5 9.Qh5 Kf8 10.Be5 Qf7 11.Qf7 Kf7 12.Bc4 Kg6 13.Bc3 Nc6 14.0-0 Nf6 15.Ba5 Na5 16.Bd3 Kg5 17.Nc3 Re8 18.Nb5 –+.

6.e4 Bd7 7.Bc4 c6 8.Bb3 Qb6 9.fe5 fe5 10.Qe2 Nf6 11.Nc3 Na6 12.Na4 Qb5 13.Qe3 c5 14.c4 Qc6 15.Bc3 Bd8 16.d3 0-0 17.0-0 Be7 18.Nb2 -/+.

6.e4 Ne7 7.fe5 de5 8.Bc4 c6 9.Nc3 Nd7 10.Qe2 Ng6 11.Rb1 Qe7 12.Qf2 b5 13.Bb3 Nc5 14.0-0 Bb6 15.d4 ed4 16.Nd4 Ne5 17.Rfd1 Be6 18.Be6 –+.

6.e4 ef4 7.Nd4 c6 8.Bc4 Ne7 9.Qh5 g6 10.Qf3 d5 11.ed5 cd5 12.Bb3 Qd6 13.0-0 Bb6 14.Kh1 Bd4 15.Bd4 Nbc6 16.Bb2 Bf5 17.Nc3 Nd4 18.Qf4 =+.

6.e4 Bg4 7.Be2 Ne7 8.h3 Bf3 9.Bf3 c6 10.fe5 fe5 11.Bh5 g6 12.Bg4 Qb6 13.Bc3 0-0 14.Qe2 Na6 15.h4 Nc5 16.h5 g5 17.Ba5 Qa5 18.Nc3 -/+.

6.e4 Nh6 7.fe5 de5 8.Bc4 Nc6 9.0-0 Bb6 10.Kh1 Qd6 11.Qe2 Bg4 12.h3 Bh5 13.Qe1 Bf3 14.Rf3 Nd4 15.Rc3 0-0-0 16.Qg3 Rd7 17.Qh4 f5 18.a4 -/+.

6.fe5 de5 7.e3 Nc6 8.Bb5 Nge7 9.0-0 Bg4 10.h3 Bh5 11.Nc3 Bc3 12.Bc3 e4 13.g4 Bg6 14.Nd4 Qd6 15.Qe1 0-0-0 16.Nc6 Nc6 17.Qh4 Ne5 18.Be2 -/+.

6.fe5 fe5 7.e3 Nf6 8.Bc4 e4 9.Nd4 d5 10.Be2 0-0 11.Nb3 Bb6 12.0-0 c5 13.c4 Be6 14.Bf6 Rf6 15.Rf6 gf6 16.Qf1 f5 17.Nc3 d4 18.Na4 -/+.

5.a3 Bc5

6.e3 Bb6 7.fe5 fe5 8.Bc4 Nf6 9.0-0 Bg4 10.h3 Bh5 11.g4 Bg6 12.Nh4 d5 13.Bb3 Nc6 14.Ng6 hg6 15.Qf3 Qd7 16.Nc3 0-0-0 17.Qg2 Ba5 18.Ba4 -/+.

6.e3 Nc6 7.d4 Bb6 8.Bb5 ed4 9.ed4 a6 10.Ba4 Bf5 11.d5 Ba5 12.Bc3 b5 13.dc6 Bc3 14.Nc3 ba4 15.0-0 Ne7 16.Nd4 Bc8 17.Qh5 g6 18.Qa5 =.

6.e3 e4 7.Nd4 d5 8.Qh5 g6 9.Qh4 Bf8 10.Nc3 c5 11.Nb3 c4 12.Nd4 Bc5 13.Na4 Bd4 14.Bd4 Nc6 15.Bb2 b5 16.Nc3 b4 17.Nb5 a5 18.ab4 =+.

6.e3 Be6 7.d4 Bb6 8.fe5 de5 9.Bb5 Nd7 10.Nbd2 a6 11.Bd3 Nh6 12.Qe2 Nf7 13.0-0 0-0 14.Nc4 Ba7 15.Be4 c6 16.Rad1 Qe7 17.d5 cd5 18.Bd5 -/+.

6.e3 Qe7 7.Nc3 Be6 8.Bb5 c6 9.Be2 ef4 10.d4 Bb6 11.ef4 Nh6 12.0-0 0-0 13.Re1 Re8 14.Bd3 Qd7 15.Qd2 Na6 16.Na4 Bd5 17.Nb6 ab6 18.Nh4 -/+.

6.e3 Ne7 7.d4 ed4 8.ed4 Bb6 9.Bd3 Nbc6 10.0-0 0-0 11.Re1 d5 12.c3 Bg4 13.Nbd2 Qd6 14.Qc2 Ng6 15.Bc1 Bh5 16.Bf5 Nf4 17.g3 g6 18.Nc4 -/+.

6.e3 ef4 7.d4 Bb6 8.ef4 Ne7 9.Bd3 Nbc6 10.0-0 0-0 11.Re1 d5 12.c3 Bg4 13.Nbd2 Qd6 14.Qc2 Ng6 15.Bc1 Bh5 16.Bf5 Nf4 17.g3 g6 18.Nc4 -/+.

6.e3 Bf5 7.Nh4 Be6 8.d4 Bb6 9.Qh5 Bf7 10.Qg4 g6 11.fe5 Ba5 12.Bc3 Bc3 13.Nc3 Nh6 14.Qh3 de5 15.de5 f5 16.Rb1 b6 17.Be2 Qe7 18.Nb5 =.

6.e3 Bg4 7.d4 ed4 8.ed4 Bb6 9.h3 Bh5 10.Bd3 Ne7 11.0-0 0-0 12.Qe1 Nbc6 13.Nbd2 Qd7 14.Qg3 Bg6 15.Ne4 Nf5 16.Qf2 d5 17.Nc5 Bc5 18.dc5 -/+.

6.e4 a6 7.d4 ed4 8.Bd4 Bd4 9.Nd4 Ne7 10.Bc4 Nbc6 11.Nc6 Nc6 12.Nc3 b5 13.Bd5 Bb7 14.0-0 Rb8 15.Rb1 Qd7 16.a4 b4 17.Na2 Ne7 18.Rb4 =.

6.e4 Bb6 7.fe5 fe5 8.Nc3 Nf6 9.Bc4 Nc6 10.Rf1 Na5 11.Ba2 Rf8 12.h3 Nc6 13.Rb1 Bd7 14.Bc4 Nh5 15.Ne2 a6 16.d3 Bc5 17.c3 b5 18.Bb3 -/+.

6.e4 c6 7.d4 Qb6 8.Bc3 ed4 9.Nd4 Ne7 10.Bc4? (10.Be2 0-0 11.Qd2 a5+=) 10...a5 (better is 10...d5!? 11.Bb3 de4–+) 11.Be6 (11.Ba2 d5 12.Qd3 Bd4 13.Bd4 c5+=) 11...Bd7 (11...Na6 12.Bc8 Rc8 13.Ne6+=) 12.Bd7 Nd7 (worse is 12...Kd7 13.Qg4 f5 14.Nf5 Nf5 15.Qf5 (worse is 15.ef5 Kc7 16.Nd2 Re8 17.Kd1 Bd4-/+) 15...Kc7 16.e5+= (worse is 16.Bg7 Bd4 17.e5 Rd8+=)) 13.Ne6 (13.Qd3 Ng6 14.0-0 Nde5–+) 13...Kf7-/+ 14.Qg4 Bf2 15.Kf1 Nc5 (better is 15...g6 16.Nc7 Qc7 17.Kf2 Qb6 18.Kg3 f5–+) 16.Qg7? (better is 16.f5 Ne6 17.fe6 Kf8 18.Qf3-/+) 16...Ke6–+ 17.Nd2 Rhg8 (17...Rhg8 18.Qf6 Kd7–+) 0–1. Gabor – Luzuriaga,Norberto Horacio, Tiger SC, 2000.

6.e4 Nc6 7.Nc3 a6 8.f5 Nge7 9.Bc4 g6 10.g4 b5 11.Bb3 Rb8 12.h4 a5 13.h5 a4 14.Ba2 gf5 15.gf5 h6 16.Nh2 Nd4 17.Ng4 Kf8 18.Rh3 =+.

6.e4 Bd7 7.d4 ed4 8.Bd4 Bd4 9.Nd4 Nc6 10.Bc4 Nd4 11.Qd4 Ne7 12.Nc3 a6 13.Qd3 Rb8 14.Qg3 g6 15.0-0 c6 16.a4 Qb6 17.Kh1 Qc5 18.Qd3 =+.

6.e4 Qe7 7.fe5 fe5 8.Nc3 Nf6 9.Bc4 c6 10.Rf1 b5 11.Bb3 a5 12.h3 Na6 13.d3 Nc7 14.g4 a4 15.Ba2 Ne6 16.Ne2 Rb8 17.c3 Be3 18.Qc2 -/+.

6.e4 Ne7 7.d4 ed4 8.Bd4 Bd4 9.Nd4 f5 10.Qh5 g6 11.Qf3 fe4 12.Qe4 0-0 13.Nc3 c6 14.Be2 Qa5 15.Qf3 Bg4 16.Qe3 Be2 17.Qe6 Rf7 18.Nde2 –+.

6.e4 ef4 7.d4 Bb6 8.Qd2 Be6 9.Bd3 Ne7 10.Qf4 Ng6 11.Qg3 Nd7 12.a4 a5 13.Nbd2 Qe7 14.Rb1 0-0 15.0-0 Nde5 16.Bb5 f5 17.ef5 Rf5 18.Rbe1 -/+.

6.e4 Bg4 7.h3 Bh5 8.Bc4 Nc6 9.g4 Bg6 10.f5 Bf7 11.Bf7 Kf7 12.Qe2 Nge7 13.g5 Ke8 14.gf6 gf6 15.Nc3 Rg8 16.Na4 Bb6 17.Nb6 ab6 18.Nh2 =+.

6.e4 Nh6 7.d4 ed4 8.Bd4 Nd7 9.Bb5 c6 10.Bd3 Qb6 11.Bc4 Ng4 12.Bb3 Bd4 13.Qd4 Ne3 14.Kf2 Ng4 15.Kg3 Qd4 16.Nd4 Nc5 17.Nd2 h5 18.h3 =+.

5.c3 Ba5

6.e3 c6 7.a3 Qb6 8.Qc1 Ne7 9.d4 Nf5 10.fe5 fe5 11.Nbd2 Ne3–+ 12.Ne4 0-0 13.Nd6 ed4 14.Bc4 Kh8 15.Nf7 Rf7! 16.Bf7 Ng2 17.Ke2 d3! 18.Kd3 Qb5 19.c4 Qf5 20.Ke2 Nf4 21.Ke3 Nd3 22.Qf1 Nb2 23.Qe2 Qc5 24.Nd4 Qe7 25.Kf2 Qf7 26.Nf3 Nc4 27.Rhf1 Bb6 28.Ke1 Bh3 (28...Bh3 29.Rc1 Bf1 30.Kf1 Ne3 31.Kg1 Na6–+) 0–1. Mothes,Rainer – Krasny,Henryk Jan, corr SOK–98–131, 1999.

6.e3 c6 7.Qc2 ef4 8.ef4 Ne7 9.Be2 Bf5 10.Qb3 Bb6 11.d4 Ng6 12.Bc1 Qc7 13.c4 d5 14.cd5 cd5 15.Bb5 Kf7 16.0-0 Rd8 (16...Rd8 17.Nc3 Nc6-/+ (17...Nf4 18.Bf4 Qf4 19.Nd5 Bd4 20.Kh1+–)).

6.e3 c6 7.Bd3 ef4 8.ef4 Qe7 9.Be2 Qe4-/+.

6.e3 c6 7.Be2 ef4 8.ef4 Nh6 9.Na3 d5 10.d4 Qd6 11.Qd2 0-0 12.0-0 Bf5 13.Rac1 Nd7 14.Ne1 Rfe8–+ 15.Nac2 Qe6 Black is in command 16.Bd1 Nf7 17.Nf3 Nd6 18.Na3 Nb6 19.Bb3 Ne4 20.Qe1 Qd6 21.Kh1? Nc3!! 22.Qh4 Nca4 23.Qf2 Bd3 (23...Bd3 24.Rcd1 Bf1 25.Rf1 Nb2 26.Qb2 Qf4–+; < 23...Qf4 24.Rcd1–+; < 23...Nb2 24.Qb2 Qf4 25.Bc2–+) 0–1. Wallace,Gary – Luzuriaga,Norberto Horacio, corr KMG–53, 2001.

6.e3 Be6 7.Bd3 Ne7 8.Qc2 Bf7 9.0-0 Nd7 10.fe5 de5 11.Nh4 Nc5 12.Be2 0-0 13.d4 ed4 14.cd4 Ne6 15.Bd3 Ng5 16.Nf3 Nf3 17.Rf3 Ng6 18.Na3 c6 19.Nc4 Bc7 20.Ba3 Re8 21.h4 Qd5 22.Qf2 Rad8 23.Rh3 Be6–+ 24.Rh1 Ne5 25.Ne5 fe5 26.Qc2 ed4 (26...ed4 27.Bh7 Kh8–+) 0–1. Landgraf,Manfred – Kucharkowski,Jens, corr KMG–26, 1993.

6.e3 Be6 7.Bd3 Ne7 8.Qc2 Bf7 9.0-0=+ Nd7 10.fe5 White gets the initiative 10...de5 11.Nh4 Nc5-/+ 12.Be2 0-0 13.d4 ed4 14.cd4 Ne6 15.Bd3 Bg6 16.Ng6+= Ng6 17.Bc4 Re8 18.Qf5 (18.Qf5 c5 19.Be6 Kh8 20.dc5+–) 1–0. Landgraf,Manfred – Kucharkowski,Jens, corr KMG–27, 1992.

6.e3 Ne7 7.Na3 ef4 8.Nc4 c6 9.Na5 Qa5 10.ef4 Nd5 11.Bc4 (11.g3 0-0-/+) 11...Nf4 12.0-0 Qc5 13.Nd4 Qd4 (13...Qd4 14.cd4 Ng6+–) 0–1. Rosner,Dirk (2180) – Zaniratti,Ivano (2240), corr ICCF EM/M/GT/A015, 1998.

6.e3 Ne7 7.Qa4 Nbc6 8.Bc4 a6 9.Bd3 Be6 10.Qc2 ef4 11.ef4 Qd7 12.0-0 Bb6 13.Kh1 Bf7 14.h3 Bg6 15.Na3 Bd3 16.Qd3 0-0 17.Nc4 Ba7 18.Rae1 Qf5 19.Qf5 Nf5 20.Kh2 d5 21.Na3 Rfe8 22.g4 Nd6 23.d4 f5 24.Ne5 fg4 25.hg4=+ Ne4 26.Nc2 Ne5 27.fe5 c6 28.Kg2 Rf8 29.Ne3 Rae8 30.Nf5 g6 31.Ng3=+ Rf1 32.Rf1 Nd2 33.Rf2 Nc4 34.Bc1 c5 35.Ne2 cd4 36.cd4 Ne5 (36...Ne5 37.de5 Bf2 38.Kf2 Re5-/+) 0–1. Landgraf,Manfred – Ruecker,Udo, corr KMG_26, 1993.

6.e4 ef4 7.Bc4 Bb6 8.d4 Nc6 9.Bc1 f5 10.Bf4 fe4 11.Bg8 ef3 12.Bd5 fg2 13.Bc6? (13.Qh5 g6 14.Qe2 Qe7 15.Qe7 Ke7 16.Bg2 Nd4 17.Kd2–+) 13...bc6 14.Qe2 Qe7 15.Qe7 Ke7 16.Rg1 Bh3 17.Kf2 c5 18.Kg3 Be6 19.Be3 cd4 20.cd4 Kd7 21.Nc3 Rae8 22.Rg2 Ba2! 23.Bg1 (23.Raa2 Re3 Double attack (23...Re3 Discovered attack); 23.Na2 Re3 Double attack (23...Re3 Discovered attack); 23.Rga2 Re3 Double attack (23...Re3 Discovered attack)) 23...Bc4 24.Kh4 g6 0–1. Montalvo Torres,Juan (2030) – Bacino,Gustavo (2075), IECG, 2008.

6.fe5 fe5 7.e3 c5 8.Bc4 e4 9.Ng1 d5?? 10.Qh5+= Kf8 11.Bd5 Qe7 12.Ne2+/– g6 13.0-0+– Ke8 14.Bf7 Kd8?? 15.Qd5 (15.Qd5 Kc7 16.c4+–) 1–0. Bendig,Frank – Dobrzycki,Bogumil, corr KMG–34, 1996.

6.fe5 fe5 7.e3 Ne7 8.Bd3 0-0 9.0-0 Nf5 10.e4 Bb6 11.Kh1 Nh6 12.Bc4 Kh8 13.d4 Bg4 14.Nbd2 Nc6 15.h3 Bh5 16.Qe1 Qe7 17.a4 a6 18.Qb1 Rae8 19.Qd3 ed4 20.cd4 Bf3 21.Rf3 (21.gf3? Qh4 22.f4 d5 23.Bd5 Nb4–+) 21...Rf3 22.Nf3 (22.gf3? Qh4 23.Qf1 Bd4 24.Bd4 Nd4–+) 22...Qe4 23.Re1 Qg6 24.Re8 Qe8 25.Ng5 Qe1 26.Kh2 g6 27.Be6 Qf2 (27...Kg7!? 28.Bc8 Qf2+=) 28.Qf3= Qf3 29.Nf3 d5 30.Bd5 Nd8 31.g4 Nhf7 32.Ne5 Nd6 33.Bb3 Ba5 34.d5 Kg8 35.Nd7 Kf7 36.Nf6 h6 37.Kg2 Bb4 38.Kf3 g5 39.Bd4 b5 40.Nd7 N8b7 41.Nb8 Bc5 42.Ba1 ba4 43.Ba4 a5 44.Nd7 Bb4 45.Bd4 Nc4 46.Ke2 Ba3 47.Bc6 ½–½. pvanr (1955) – chuckhar (2225), gameknot.com, 2012.

6.fe5 fe5 7.e4 Nf6 8.Qa4 c6 9.Bd3 Bg4 10.0-0?? Qb6–+ 11.Kh1 Qb2 12.Qa5 Qa1 13.Ne5 b6 14.Qa3 de5 15.h3 Be6 16.c4 Qd4 17.Qc3 Ne4 18.Qd4 ed4 19.Be4 Bc4 20.Rf5 Ba2 21.Re5 Kf7 22.Rf5 Ke6 23.Na3 Bd5 24.d3 Be4 25.de4 g6 26.Rg5 Rd8 27.Nc4 Nd7 (27...Nd7 28.h4 a5–+) 0–1. Weisbrod,Juergen – Bakkers,Max, corr KMG–29, 1994.

5.c3 Bc5

6.e3 Nc6!?-/+.

6.e3 Be6 7.d4= ed4 (7...Bb6 8.a4 a5 9.Nbd2=) 8.ed4 (worse 8.Nd4 Qd7=+) 8...Bb6 9.Bb5 Nd7 (9...Kf7!?=) 10.0-0+= Kf7 11.Nbd2 c6 (11...Nh6 12.Bd3 g6 13.Re1+=) 12.Ne4 (better 12.Bd3 Ne7 13.Re1+–) 12...cb5? (12...Qe7 13.Ba3 Bc7 (worse 13...cb5 14.Nd6 Kf8 15.Re1+–) 14.Ne5 Kf8 15.Bc6 A) 15...Ne5?? 16.fe5 Rd8 17.Bb7+–; B) 15...bc6 16.Nc6 Bg4 17.Qg4 (17.Ne7?! Bd1 18.Nd5 Bc2 19.Nc7 Be4+–) 17...Qe4 18.Qd7+–; C) 15...Rb8+–) 13.Nd6+– Kf8 14.Ba3 Ne7 15.Re1 Bd5 (15...b4 A) 16.Re6?! Nc5 (16...ba3?? 17.Qb3 Nc8 18.Qa3 Nd6 19.Rd6+–) 17.Bb4 Ne6+–; B) 16.Bb4 a5 17.Ba3+– (17.Re6 ab4 18.Qe2 Bc7 19.Nb7 Qc8 20.Re7 Ne5 21.Ne5 fe5 22.Rc7 Qc7+–)) 16.Nf5 (16.Nf5 Bc5 17.dc5 (17.Bc5?! Nc5 18.Re7 g6 19.dc5 gf5+=) 17...Bf3 18.Qf3 Nf5 19.Rad1+–) 1–0. pvanr (2175) – awnatari (1750), gameknot.com, 2014.

6.e3 ef4 7.d4 Bb6 8.ef4 Ne7 9.Bb5 c6 10.Bd3 Bg4 (10...0-0!?=+) 11.0-0= 0-0 12.Na3 Kh8 13.Nc4 Bc7 (13...Nd5 14.Qd2=) 14.Qc2 (14.Ne3 Bh5+=) 14...d5 (14...Nd5!? 15.Qd2 Re8=+) 15.Ne3+= Bh5 16.Nh4 h6 17.Ba3 Re8 (17...Bd6 18.Bd6 Qd6 19.Rae1+=) 18.Rae1+– Bd6? (better 18...c5 19.Bc5 Nbc6+–) 19.Bg6+– Ng6 (19...Ba3 20.Bh5 Rf8 21.Qb3+–) 20.Ng6 Kg8 (20...Bg6 21.Qg6 Re3 22.Re3+–) 21.Bd6 Qd6 22.Nf5 Qd7 23.Re8 Qe8 24.Nfe7 Kf7 25.Re1 Qd8 (25...Qd7 26.Nh4 Ke8+–) 26.Qf5 Bg6 27.Qe6 (27.Qe6 Ke8 28.Ng6 Qe7 29.Qe7; 27.Ng6?! Nd7 28.Qh5 Nb6+–) 1–0. pvanr (2185) – pukism (1760), gameknot.com, 2014.

5.e3 Nc6

6.a3 Ba5-/+ 7.Bb5 Nge7 (7...a6 8.Bc6 bc6 9.fe5 Rb8=) 8.fe5 fe5 9.0-0 0-0-/+.

6.a3 Ba5-/+ 7.Bc4 d5 8.Bb5 ef4 9.ef4 Nge7 10.Nd4 0-0 11.Nc6 bc6 12.Bd3 Bf5.

6.a3 Ba5-/+ 7.Bc4 ef4 8.ef4 d5 9.Bb5 Nge7 10.0-0 0-0 11.d4 Qd6 12.Bc1 Bf5.

6.a3 Ba5-/+ 7.Bc4 Bg4 8.h3 Bh5 9.Be2 Qd7-/+.

6.a3 Ba5-/+ 7.Bc4 Bg4 8.h3 Bh5 9.g4 Bg6 10.Nc3 Nge7 11.g5 d5 12.Bb5 ef4.

6.a3 Ba5-/+ 7.Be2 ef4 (7...Nge7 8.fe5 de5 9.0-0 Be6-/+; 7...Be6 8.0-0 Nge7 9.fe5 de5-/+; 7...e4 8.Nd4 Nd4 9.Bd4 Ne7-/+) 8.ef4 Nge7 9.0-0 0-0-/+.

6.a3 Bc5 7.d4 Bb6 (7...ed4 8.ed4 Bb6 9.Bb5 Bd7=+) 8.Bb5 ed4 9.ed4 a6=+.

6.Bb5 a6 A) 7.Ba4 Nge7 (7...b5 8.Bb3 Bg4 9.0-0 Nge7-/+; 7...Bg4 8.c3 Bc5 9.d4 Ba7-/+; 7...Nh6 8.c3 Ba5 9.0-0 Bb6=+; 7...Rb8 8.0-0 Nge7 9.a3 Ba5-/+) 8.a3 Ba5 9.0-0 ef4-/+; B) 7.Bc6 bc6 8.0-0 Ne7 9.fe5 de5=+.

6.c3 Ba5 (6...Bc5 7.d4 Bb6 8.Bb5 a6 9.Bc6 bc6-/+) A) 7.Bc4 ef4 (7...e4 8.Nd4 Nd4 9.ed4 f5-/+; 7...Nge7 8.fe5 fe5 9.e4 Bb6-/+) 8.ef4 d5 9.Bb5 Nge7-/+; B) 7.Bb5 Nge7 (7...Bd7 8.0-0 Nge7 9.fe5 de5=+; 7...Qd7 8.fe5 de5 9.0-0 Nge7=+) 8.fe5 fe5 9.Qb3 a6-/+.

6.Bc4 A) 6...Na5 7.Be2 e4 8.Ng5 d5 9.0-0 Bf5-/+; B) 6...d5 7.Bb3 (7.Bb5 ef4 8.Bc6 bc6 9.ef4 Bd6-/+) 7...ef4 (7...e4 8.Nh4 Be6 9.a3 Bc5-/+) 8.ef4 Nge7 9.Nc3 0-0-/+; C) 6...Nge7 C1) 7.a3 Ba5 (7...Bc5 8.fe5 de5 9.Nc3 Na5-/+) 8.fe5 de5 9.0-0 Bg4-/+; C2) 7.0-0 ef4 (7...d5 8.Bb3 ef4 9.ef4 0-0-/+) 8.ef4 d5 9.Bb3 0-0-/+; C3) 7.fe5 de5 8.0-0 Nd5 9.Bb5 Bd7-/+; D) 6...Bg4 D1) 7.Bg8 Rg8 8.c3 Bc5 9.Qb3 Kd7-/+; D2) 7.c3 d5 (7...Bc5 8.d4 d5 9.Bb3 ed4=+) 8.Be2 Bd6 9.Ne5 Ne5-/+; D3) 7.fe5 de5 (7...fe5 8.0-0 Nf6 9.a3 Bc5-/+) 8.c3 Bd6 9.Qb3 Na5-/+; E) 6...ef4 7.ef4 d5 (7...Nge7 8.0-0 d5 9.Bb5 0-0-/+; 7...Bc5 8.d4 d5 9.Qe2 Nge7-/+) 8.Bb5 Nge7 9.0-0 0-0-/+.

6.Be2 e4 7.Nd4 Nge7 8.a3 Bc5 9.Nb3 Bb6 10.Bh5 Ng6 11.0-0 Nce7 12.a4.

6.Be2 Nge7 7.fe5 (7.a3 Ba5-/+ 8.fe5 fe5 9.0-0 0-0 10.Nc3 d5 11.e4 Qd6 12.Ng5) 7...de5 8.0-0 Be6 9.c4 (9.a3 Bd6-/+ 10.Nc3 0-0 11.Ne4 Nf5 12.c4) 9...0-0 (9...e4 10.Nd4 Nd4 (10...Qd7 11.Qc2 Nd4 12.ed4) 11.ed4-/+ c6 12.d3) 10.d4 (10.a3 Bc5 11.d4 ed4 12.ed4) 10...Nf5 11.Qd3 Re8 (11...Nd6 12.d5-/+ (12.Nfd2 Na5 13.Qc2=+); 11...ed4 12.ed4) 12.d5 (12.a3 Ba5-/+) 12...Bc5 (12...e4 13.Qe4 Bd7 14.Qd3 Re3 15.Qd1-/+) 13.de6 (13.dc6!? Ne3 14.cb7-/+) 13...Ne3–+ 14.Kh1? (better 14.Ba3 Qd3 15.Bd3 Ba3 16.Na3 Nf1 17.Kf1-/+) 14...Qd3 15.Bd3 e4 (better 15...Rad8 16.Ne1–+) 16.Re1? (16.Be4 Nf1 17.Ba3–+) 16...ed3 (16...ef3?! 17.gf3 Re6 18.Nc3–+) 17.Na3 (17.Ba3 Nc2 18.Bc5 Na1–+) 17...Ba3 18.Re3 (18.Ba3 Nc2 19.Rad1 Na3 20.Rd3 Nc4–+) 18...Bb2 19.Rb1 Ne5 20.Ne5 Be5 21.Rd3 b6 0–1. Hasler,Ulrich – Schwertel,Gottfried, corr SOK–97–120, 1997.

6.Be2 ef4 7.c3 (7.a3 Ba5 8.ef4 Nge7 9.0-0 0-0 10.d4 Nf5 11.c3 Re8 12.Re1; 7.ef4 d5 8.Nd4 Nge7 9.Bh5 g6 10.Nc6 Nc6 11.Bf3 0-0 12.0-0) 7...Ba5 8.ef4 Nge7 9.0-0 0-0 10.d4 Re8 11.Bd3 d5 12.Qc2.

6.fe5 de5 7.Bc4-/+ (7.Bd3 Nge7 8.0-0 Be6 9.a3 Ba5 10.Nc3 0-0 11.Rb1 Qd7 12.Qe2) 7...Nh6 8.a3 Bc5 9.0-0 e4 10.Nd4 Bg4 11.Be2 Bd4 12.ed4.

6.fe5 fe5 7.Bc4 (7.a3 Ba5-/+ 8.Bc4 Nf6 9.0-0 a6 10.Bb3 Bg4 11.Qe1 Qd7 12.Nc3; 7.Bb5 a6 8.Bc6 bc6 9.a3 Bc5 10.0-0 Nf6 11.d4 Ba7 12.de5) 7...Nf6 (7...Bg4 8.0-0 Nf6 9.a3 Bc5 10.h3 Bh5 11.Qe1 Qe7 12.Nc3) 8.a3 Ba5 (8...Bc5 9.0-0 Bg4 10.h3 Bh5 11.Qe1 Qe7 12.Nc3) 9.0-0 Bg4 (9...Qe7 10.Nc3-/+ (10.Qe2 Bg4 11.h3 Bh5 12.Bb5) 10...Be6 11.Be6 Qe6 12.Qe2; 9...a6 10.Bb3 Bg4 11.h3 Bh5 12.g4) 10.h3 Bh5 (10...Bd7 11.Nc3 Rf8 12.Rb1) 11.d3 Qe7 (11...Rf8 12.Nc3-/+ (12.Nbd2-/+); 11...a6 12.Bb3) 12.Nbd2 (12.Nc3 Bc3 13.Bc3 Bf7-/+) 12...0-0-0 (12...Rf8 13.Nb3 e4 14.de4 Ne4 15.Bd5-/+) 13.Bb5=+ Nd5 14.Nc4 Nc3 15.Qe1 Nb5 16.Na5 Na5 17.Qa5 a6 18.Qb4 Bf3 (18...Rdf8 19.a4 c5 20.Qh4 Qh4 21.Nh4=+) 19.Rf3 Rhf8 20.Raf1 Rf6 (20...Rf3 21.Rf3 Qe6 22.Qb3 Qb3 23.cb3=+) 21.Qh4 (21.Rf6 gf6 22.Qg4 Kb8=+) 21...Rdf8 22.Qh7 Rf3 23.Rf3 Rf3 24.gf3 Qg5 25.Kf2 b6 26.Qe4 (26.c4 Na7+=) 26...Kb8 27.Qg4 Qg4 (27...Qe7!?=) 28.hg4+– c5 29.f4 ef4 30.ef4 g6 31.f5 gf5 32.g5 Nc7 33.c4 Ne6 34.g6 Kc7 35.g7 Ng7 36.Bg7 d5 (36...b5 37.Kf3+–) 37.cd5 (37.Ke3!? b5+–) 37...Kd6+– 38.Ke3 (38.Kf3 Kd5 39.Kf4 b5=) 38...Kd5 39.Bb2 (39.Bh8 c4+–) 39...b5+= 40.Bc3 c4 (40...Kc6+=) 41.d4 (41.Kd2!?+=) 41...a5= 42.Ba5 f4 43.Kd2 Kd4 44.Bb6 Ke4 45.Bc7 f3 46.Bg3 Kd4 47.Bf2 Ke4 48.Kc3 Kd5 49.Bd4 Ke4 50.Bc5 Kd5 51.Bf2 ½–½. Pleschke,Helmut – Perez,Jose M, IECG, 1999.

6.Nh4 Nge7 7.a3 Bc5 (7...Ba5 8.Bd3 Be6 9.Qh5 Bf7-/+) 8.d4 Bb6 9.d5 Nb8-/+.

6.Nh4 Nge7 7.c3 Ba5 (7...Bc5 8.d4 Bb6 9.Qh5 g6-/+) 8.Qh5 g6 9.Qh6 Kf7-/+.

6.Nh4 Nge7 7.Qh5 g6 8.Qh6 (8.Ng6 Ng6 9.a3 Ba5-/+) 8...Kf7 9.fe5 (9.Bd3 Qf8 10.Qf8 Rf8-/+) 9...de5 (9...Ng8 10.Qf4 g5 11.Qf3 Ne5 12.Qe4-/+) 10.a3 Ba5 (10...Be6 11.Bd3 (11.ab4?? Ng8 12.Ng6 Nh6 13.Nh8 Qh8–+) 11...Ba5 12.0-0-/+) 11.Be2 (11.Bc4 Be6 12.Be6 Ke6-/+) 11...Qf8 12.Qf8 Rf8 13.Nc3 Be6 14.0-0 (14.Ne4 Rad8 15.Bd3 Bd5-/+) 14...Rad8 15.Bd3 Kg7 16.Rab1 (16.Rf2 Nc8–+) 16...a6 (16...Nc8 17.Ne4–+) 17.Ne4-/+ Bb6 18.Nf3 h6 19.Rf2 h5 20.a4 Bf5 21.Ba3 (21.Nh4 Be4 22.Be4 f5-/+) 21...Rfe8 22.Nh4 (22.g3 Nd5-/+) 22...Be4–+ 23.Be4 f5 24.Be7 (24.Bd3 Nd5–+) 24...Ne7–+ 25.Bb7 Rb8 26.Rb6 (26.Nf3 Rb7 27.a5 Nc6 28.ab6 Rb6–+) 26...cb6 27.Ba6 e4 28.g3 (28.h3 Red8–+) 28...Ra8 29.Bb5 Rec8 30.c3 Nd5 31.Rf1 (31.h3 Rc5–+) 31...Nc7 32.Bc6 (32.Rb1 Nb5 33.Rb5 Rc6–+) 32...Ra5 33.h3 Ne6?? (better 33...Rc5 34.Bd7 Rd8 35.Bf5 gf5 (35...Rf5?! 36.Nf5 gf5 37.Rf5-/+) 36.Nf5 Kg6–+) 34.Bd7= Rc7?? (better 34...Rd8 35.Be6 Rd2=) 35.Be6+– Ra4 36.Rb1 Rc6?? (better 36...Ra6+–) 37.Bd7 Rcc4 (37...Rac4 38.Bc6 Rc6+–) 38.Ba4 Ra4 39.Rb6 1–0. Pierre – Lurie, internet, 2020.

6.Nh4 Nh6 7.f5 (7.a3 Bc5-/+ 8.Qh5 Nf7 9.Nf3 d5-/+; 7.Qh5 Nf7 8.Bb5 ef4 9.a3 Bc5-/+; 7.c3 Bc5 (7...Bg4 8.Qb3 Bc5 9.Qb7 Bd7-/+) 8.d4 Bb6 9.Bb5 0-0-/+) 7...0-0 (worse 7...Nf5 8.Qh5 g6 9.Ng6=+ Ng7=+) 8.Bd3 (8.a3 Bc5 9.Bd3 d5-/+) 8...d5–+ 9.0-0 Ne7 10.a3 (10.c4 e4 11.Be2 Nef5 12.Nf5 Bf5-/+) 10...Bc5 11.c4 e4 12.Bc2 Nhf5 (12...c6 13.cd5 cd5 14.Bb3 Nhf5 15.Qc2 Nh4 16.Qc5–+) 13.Nf5-/+ Bf5 (13...Nf5 14.cd5 Qe8 15.Nc3-/+) 14.cd5 Bg6 (14...Qd5?? 15.Bb3 Be6 16.Bd5 Bd5 17.Nc3+–) 15.Nc3 f5 (15...Nd5 16.Nd5 Qd7 17.Rc1+–) 16.Bb3 Kh8 (16...Bf7 17.Qc2 Bd6 18.Ne4 Bd5 19.Qc3+–) 17.Qc2=+ Bb6 18.a4 c6 19.dc6 (19.Ba3 Rf6 (worse 19...cd5 20.a5+–) 20.a5 Bc7 21.dc6 Rc6-/+) 19...Nc6 20.Nd5 Ba5 (20...Rc8 21.Nb6 Qb6 22.Be6-/+) 21.d3 ed3 (21...Qg5 22.Rac1-/+) 22.Qd3=+ Rc8 23.Rad1 (23.Rac1 Qd7=+) 23...Bh5 24.Rf5 (24.Rc1 Qg5=+) 24...Bd1-/+ 25.Bd1 Rf5 26.Qf5 Nb4 (better 26...Rb8-/+) 27.Qg4+– Qg8 28.Ne7 (28.Ne7 Rc4 29.Qh5+– (29.Ng8?! Rg4 30.Bg4 Kg8+=); 28.Nb4?! Rc7+–) 1–0. Zylla,Johannes (2225) – Cottarelli,Franco (2185), corr ICCF WSTT/3/06/2, 2006.

5.e3 Be6

6.a3 Ba5 7.Be2 -/+.

6.Nc3 Ne7-/+ 7.Bd3 (7.Ne4 0-0-/+) 7...Bc3 (7...0-0 8.0-0-/+) 8.Bc3+= Bd5 (better is 8...Nd7!?+=) 9.Bb2 (9.Bb2 e4 10.c4–+). Wartig,Wolfgang – Buck,Dieter, corr KMG–20, 1990.

6.Be2 Ne7 7.0-0 Nbc6 8.a3 Ba5 9.fe5 de5 10.Nc3 0-0 11.Rb1 Qd7 12.Ne4 Bb6 13.d4 Nf5 (14.Kf2 ed4 15.ed4 Ba2–+) 0–1. Gnuechtel,Andreas – Benassi,Aspasio, TMK/A004, 1999.

6.c3 Ba5

7.Qa4 c6 8.Ba3 b5 9.Bb5 cb5–+ 10.Qb5 Bd7 11.Qb7 Nc6 12.Bd6 Nge7 13.fe5-/+ fe5 14.Ne5 Ne5 15.Be5 0-0 16.Qb3 Kh8 17.Bf4 Bc6 18.0-0 Qd3 19.Qe6 Rae8 20.Qg4 Rf6 21.Rf2 Ng6 22.Bg3 Bb6 23.Na3? Rf2–+ 24.Bf2 Qd2 25.Nc4 Qc3 26.Re1 Bc7 (26...Bc7 27.Rd1 Qc2–+) 0–1. Lauer,Frank – Buck,Dieter, corr KMG–15, 1989.

7.Bb5 c6 8.Be2 Ne7 9.Na3 0-0 (9...ef4 10.ef4 Qb6 11.Qc2) 10.0-0 Ng6 11.fe5 (11.f5?! Bf5 12.Qb3 d5 13.Qb7) 11...fe5 12.Nc4 b5?! (12...Bc7-/+) 13.Na5 Qa5 14.a4! ba4? 15.Ra4? Qb6 16.Rb4 Qd8 17.Qa4 a5 18.Ba1 ab4 19.Qa8 Qb6 20.Ng5 bc3 21.Rf8 Nf8 22.Bc3 Qb1 23.Kf2 Qf5 24.Bf3?! Qg5-/+ 25.Qb8 Qh4 26.Kf1 Bc4 27.Be2 Be2 28.Ke2 Qh2 29.Qd6 Qg2 30.Kd3? Qg6 31.Qg6 Ng6 32.Ke4 Kf7 0–1. Borrmann,Fritz – Kucharkowski,Jens, email KMG–49, 2000.

7.Bd3?! idea Qc2.

7.d4 e4 8.Nfd2 f5 9.Ne4! fe4 10.Qh5 Bf7 11.Qa5.

7.d4 ef4 8.ef4 Ne7 9.Bd3.

7.fe5 Na6 8.Ba6 ba6 9.Qa4 1–0. Baena de Moraes – A Sikora, corr 3GMM–56 1995–96.

7.fe5 de5 8.Ne5 Ne7?? 9.Qh5+= Kf8 10.Bc4 Bc4 11.Nc4 Bb6 12.0-0 Qd5 13.Ne5 Nd7? 14.Ng6!+– (14.Ng6 hg6 15.Qh8 Ng8 16.Ba3 c5 17.Qh4+–) 1–0. De Visser,Arno – Muller,F, corr SOK–89–42, 1989.

7.fe5 fe5 8.Na3 c6 9.d4 e4 10.Nd2 d5 11.Qh5 g6 12.Qe5 Qh4 13.g3 Qf6 14.Nac4 Qe5 15.Ne5 Ne7 16.0-0-0 Nd7 17.Nd7 Bd7 18.Nb3 Bd8 19.Re1 0-0 20.Ba3 Rf2 21.Kb1 Bc8 22.c4 b6 23.cd5 Nd5 24.Bc4 Bh3 25.Na1 Bg5 26.Bb2 b5 27.Bb3 a5 28.a3 a4 29.Ba2 b4 30.ab4 a3 31.Bc3 Kh8 32.Rc1 Nc3 33.Rc3 Rb2 34.Kc1 Ra2 35.Nc2 Ra6 36.Kd2 Be6 37.Rf1 Be7 38.Rb1 Rb2 39.Kc1 Rb1 40.Kb1 a2 41.Ka1 Kg7 42.Rc5 0–1. COMP – COMP, 2001.

5.e3 Ne7

6.c3 Ba5 7.Qa4 c6 8.fe5 fe5 9.Qb3 e4 10.Ng5 d5 11.Qd1 Nf5 12.Nh3 0-0 13.c4?? Qh4 14.g3 Ng3! (15.Qb3 Nh1 16.Kd1 Rf1 17.Kc2 Bh3 18.Qb7 Qg4–+) 0–1. Pereira,S – Behrmann,K, corr USA, 1997.

6.Bd4 ed4 (7.Nd4 0-0–+) 0–1. Woschkat,Karl_Heinz (2140) – Lafarga Santorroman,David, EM/J50/P063 ICCF Email, 2001.

5.e3 ef4

6.a3 Ba5-/+ 7.ef4 Ne7 8.Nc3 0-0 9.Be2 Nbc6 10.0-0 d5 11.Nh4 Nd4 12.Bd3.

6.c3 Bc5 (6...Ba5 7.ef4 Ne7 8.Na3-/+ Nbc6 9.Nc4 Bb6 10.a4 Be6 11.a5 Bc5 12.d4) 7.d4=+ (7.ef4 Ne7 8.d4 Bb6 9.Bd3 Nd5 10.Qd2 0-0 11.0-0 Nc6 12.Na3) 7...Bb6 8.ef4 Ne7 9.Bd3 (9.Bc4 d5 10.Bd3 Bf5 11.0-0 Nbc6 12.Ba3) 9...Ng6 (9...0-0 10.0-0=+ Bf5 11.Na3 Nbc6 12.Nc2; 9...Nd5 10.Qd2 0-0 11.0-0 Nc6 12.Na3) 10.Qd2 (10.g3 Bh3=+ (10...0-0 11.Qb3 d5 12.0-0) 11.Nbd2 0-0 12.Qb3) 10...0-0 (10...Nc6 11.0-0 0-0 12.Na3) 11.0-0 Nc6 (11...Qd7 12.Na3) 12.Na3 Nce7 13.Nc2 (13.g3 Bh3 14.Rfe1 Qd7=+) 13...Bf5 (13...Be6 14.g3=+) 14.Bf5 (14.g3 Qd7=+) 14...Nf5-/+ 15.c4 (15.g4 Nfe7 16.f5 Ne5-/+) 15...Re8 (15...Qd7 16.g3-/+) 16.a4 (16.Rae1 Qd7-/+) 16...a5 17.Kh1 (17.g4 Nfe7-/+) 17...Qe7 (17...Qd7 18.Rfe1–+) 18.g4 (better 18.Qd3!? Qd7 19.Bc1-/+) 18...Nfh4–+ 19.Rae1 (19.Qf2 Qe4 20.Rae1 Qf4 21.Nh4 Qf2 22.Rf2 Nh4–+) 19...Nf3 20.Rf3 Qd7 21.f5 (21.Rfe3 Re3 22.Qe3 Qa4–+) 21...Nh4 22.Rc3 Qa4 23.Re6 (23.Ra1 Qc6 24.d5 Qc5–+) 23...Re6 (23...Qa2 24.Qc1–+) 24.fe6 Qa2 25.Bc1 Re8 26.Qe2 (26.d5 a4 27.Na3 Qd2 28.Bd2 Ng6–+) 26...Qb1 27.Na3 Qa1 28.Qe3 f5 (28...a4 29.Rd3–+) 29.Nc2 Qb1 30.c5 (30.Na3 f4! 31.Nb1 fe3 32.Be3 Re6–+) 30...dc5 31.dc5 Ba7 32.Nd4 (32.h3 b5 33.gf5 Nf5–+) 32…fg4 0–1. Baer,Werner – Grantz,Olaf, DESC, 1999.

6.ef4 Nc6 7.c3 Ba5 8.Bd3 Nge7 9.0-0 Bb6 10.Nd4 Bf5 11.Qf3 Bd3 12.Qd3.

6.ef4 Qe7 7.Kf2= Nh6 (better 7...Nc6!? 8.c3 Ba5=) 8.Bb5+– Bd7 (8...c6 9.Re1 Be6 10.Bd3+–) 9.Re1+– Ng4 (9...Bb5 10.Nd4 Bc5 11.Na3+– (worse 11.Re7 Ke7 12.Na3 Bd7+–)) 10.Kg3 (10.Kg1 Bb5 11.Re7 Ke7+–) 10...Ne5 11.fe5 (11.Qe2 Nbc6 12.c3 Bc5 13.fe5 fe5+–) 11...fe5 12.Qe2 0-0 (12...Nc6 13.Qc4 Bc5 14.d4 Bd4 15.Bd4 (15.Nd4?! Qg5 16.Kf2 Nd4 17.Bd7 Kd7 18.Qf7 Kc6+–) 15...Nd4 16.Nd4 Qg5 17.Kf2 Qh4 18.Kf1+–) 13.Qc4 (13.Qc4 Qf7 14.Qb4 Qf4 15.Qf4 ef4 16.Kf2 Bb5 17.Re7+–) 1–0. Pierre – Racuch, internet, 2020.

6.ef4 Ne7 7.Nc3 (7.Bd3 0-0 8.Nc3 Nbc6 9.0-0 d5 10.Na4 Bf5 11.a3 Bd6 12.Nd4) 7...0-0 8.Bd3 Nbc6 9.0-0 d5 10.Nb5 Bc5 11.Kh1 Nf5 12.c3.

5.e4 Be6

6.a3 Ba5 7.f5 Bf7 8.Nc3 Ne7 9.Be2 d5 10.Nd5 Bd5 11.ed5 Nf5 12.Bb5 Nd7 13.0-0 0-0 14.Qe2 Bb6 15.Kh1 Nc5 (Better is 15...a6!? 16.Bc4 Nd6-/+) 16.Ne5= Nd6 (16...fe5 17.Qe5) 17.d4 Nb5 (Better is 17...Nce4!? 18.Nf3 a6=) 18.dc5+/– Qd5 19.cb6 fe5 20.c4 Nd4 21.cd5 Ne2 22.Rf8 (< 22.bc7 Nf4 23.d6 Nd5+–) 22...Rf8? (22...Kf8 23.bc7 Nd4+–) 23.bc7 Nf4 24.d6 Nd5 25.Be5 Nb6 26.Bd4 1–0. Gross,Gerald – Borrmann,Fritz, email KMG–49, 2000.

6.a3 Ba5 7.g3 Nd7 8.Bg2 c6 9.0-0?? (better is 9.Bc3-/+) 9...Qb6–+ 10.d4 Qb2 11.fe5 (11.Nbd2–+) 11...Qa1 12.ed6 Bc4 13.Rf2 (13.Nbd2 Qd1 14.Rd1 Be6–+) 13...Ba2 14.Nfd2 (14.Rf1 Nh6–+) 14…Bd2 (14...Bd2 15.Rd2 0-0-0–+) 0–1. Vekemans,D (1980) – Salles,L (2145), Avoine FRA, 2012.

6.a3 Bc5 7.d4 ed4 8.Nd4 Bd4 9.Qd4 Nc6 10.Qe3 Nge7 11.Nd2 d5 12.ed5 Bd5 (12...Qd5 13.Bc4 Qg2 14.Rg1 Qh2 15.Be6 Qh4 16.Qg3 Qg3 17.Rg3+/–) 13.Bd3 Qd7 14.0-0 0-0-0 15.f5 Rhe8 16.Qf2 Bg8 17.Ne4 Nd5 18.Nc5 Qd6 19.Ne4 Qf8 20.Rfe1 Nb6 21.Bb5 Bd5 22.Nc3 Re1 23.Re1 Ne5 24.Na4 Nec4 25.Bc4 Bc4 26.Nc5 Qd6 27.Ne6 Be6 28.fe6 Re8 29.Qf5 Nc4 30.Bc1 Ne5 31.Qh7 Qe6 32.Bd2 Qg4 33.Qe4 Qd7 34.Bc3 Re6 35.Qe3 Kb8 36.Qh3 Qe8 37.Re3 a6 38.Qf5 Qc6 39.Qe4 Qb6 40.Bd2 Rd6 41.Be1 Ng4 42.Qg4 Qe3 43.Kf1 Rd5 44.Bf2 Qc1 45.Be1 g6 0–1. Gross,Gerald – Welti,Manfred, email b4–01–05, 2002.

6.c3 Bc5 7.d4 ed4 8.cd4 Bb4 9.Kf2 =+.

6.f5 Bf7 7.Bc3!? a5 8.Bb5 c6 9.Be2 -/+.

6.f5 Bf7 7.Nc3 Ne7 8.a3 Ba5 9.d4 Nbc6 10.d5 Nb8 11.Bd3 (11.Kf2 c6 12.Rb1 cd5 13.Nd5 Bd5 14.ed5 Bb6 15.Ke1 Nf5–+) 11...c6–+ 12.dc6 bc6 13.Nd2 (13.Rb1 Nd7-/+) 13...Nd7–+ 14.Rb1 Rb8 15.Nb3 Nc5 16.Na5 Qa5 17.0-0 0-0 (17...d5 18.Qe1–+) 18.Qe1 Rfe8 19.a4 (19.h4 d5 20.Qc1 Ne4 21.Be4 de4–+) 19...Rb6 (19...Rb4 20.Ba3 Nd3 21.cd3 Rb1 22.Nb1 Qa4 23.Qb4 Qb4 24.Bb4–+) 20.h3 (20.Ba1 Rb1 21.Qb1 d5–+) 20...Reb8 21.Nd5 Qe1 22.Ne7 (22.Rbe1?? cd5 (22...Rb2?! 23.Ne7 Kf8 24.Nc6-/+) 23.Ba3 Na4–+) 22...Kf8 23.Rbe1 Ke7 (23...Rb2?! 24.Nc6 R8b7 25.Nd8-/+) 24.Bc1 Nd3 25.cd3 Rb3 26.Re3 R8b4 27.a5 Rd4 28.Rg3 Kf8 29.Re3 (29.Rf2 Rbd3 30.Rd3 Rd3–+) 29...Rdd3 30.Rd3 Rd3 31.Kf2 Bc4 0–1. Braak,Jelle van den (1875) – Ruiter,Tom de (2170), Dutch, 2009.

6.f5 Bf7 7.Nc3 Ne7-/+ 8.d4 Nd7 (8...0-0 9.a3 Ba5 10.Be2-/+) 9.Bd3. Kucharkowski,Jens – Buck, corr KMG–22, 1990.

6.c3 Ba5

7.Na3 Nc6 (7...Bb6 8.f5 Bf7 9.d4+=) 8.Nc4 (8.fe5 fe5 9.Nc4 Nh6+=) 8...Nge7+= 9.d4 ed4 (9...Bc4 10.Bc4 ed4 11.Nd4 Nd4 12.Qd4+=) 10.Na5 Na5 11.Nd4 Bd7?? (better is 11...Bf7 12.Qa4 c6+=) 12.Qh5+– g6? (12...Ng6 13.Qa5 c5 14.Qd8 Kd8 15.Nf5+–) 13.Qa5 b6 (13...c5 14.Qd8 Rd8 15.Nb5+–) 14.Qa6 Bc8 (14...f5 15.ef5 0-0 16.Bd3+–) 15.Qa4 Bd7 16.Qb3 Nc6 (16...c5 17.Nf3+–) 17.Bd3 Qe7 (17...Na5 18.Qd5 Qb8+–) 18.Qd5 0-0-0 (18...Qf7 19.Nc6 Qd5 20.ed5 Kf7+–) 19.Ba6 Kb8 20.Nc6 Bc6 21.Qc6 (21.Qc6 Qe4 22.Qe4+–) 1–0. Pamieci Krzysztofa P – napohybel, internet, 2016.

7.Nd4 Bc8 8.Bc4 d5 (< 8...ed4 9.Qh5 g6 10.Qa5=) 9.Bd5 ed4 10.Bg8 dc3 (< 10...Rg8 11.Qh5 g6 12.Qa5=) 11.Bc3 Bc3 12.Qb3 Bd2 13.Nd2 Qe7 14.Bh7 Qf7 (14...Rh7 15.Qg8) 15.Bf5 Qb3 16.Nb3 Bf5 17.ef5 Na6 18.0-0-0 Rd8 19.Nd4 Nc5 20.Rhe1 Kf7 21.Ne6 Nd3 22.Kb1 Rd5 23.Nc7 Ne1 24.Rd5 Ng2 (24...Ke7 25.Rd2 Rh2 26.Re2 Kd7 27.Re1 Kc7 28.Re7 Kc6 29.Rg7 Rh1 30.Kb2 Rf1+/–) 25.Rd7+/– Kg8 26.Ne6 Rh7 27.Rb7 a6 28.Rb8 Kf7 29.Ra8 (29.Rf8 Ke7 30.Ra8+=) 29...Ne3+= 30.Ra7 Kg8 31.Ra6 Nf5 32.a4 (32.Ra5 Ne7+/–) 32...Rh2= 33.a5 Re2 34.Rb6 Re1 (34...Kf7!?+=) 35.Kb2+/– Ne3 36.Rb8 Kh7 37.Nf8+– Kh6 38.a6 Nc4 39.Kc3 Ra1 40.Kc4 Ra6 41.Kd5 Ra5 42.Ke6 Ra4 43.Kf7 Ra7 44.Kg8 g5 45.f5 Rg7 46.Kh8 Ra7 47.Ne6 Kh5 48.Rf8 g4 49.Rf6 Ra8 50.Kh7 Kh4 51.Rh6 Kg3 52.f6 (52...Kg2 53.f7+–) 1–0. Baensch,Hans – Plock,Joerg, RSX5D – A00 – KMG–1, 2003.

7.Nd4 ed4 8.Qh5 Bf7 9.Qa5 Nc6 10.Qa4 dc3 11.Nc3 Nge7 12.Bd3 0-0 13.0-0 a6 14.Qd1 d5 15.Qf3 Nb4 16.Bb1 d4 17.Na4 b6 18.Qg4 c5 19.a3 Nbc6 20.Bc2 c4 21.Rf2 Ra7 22.Raf1? (22.e5 Bd5 (22...fe5?! 23.fe5 h5 24.Qg3-/+) 23.ef6 Rf6-/+) 22...Re8 (better is 22...b5–+) 23.e5 f5! 24.Bf5 (24.Qf3 Bd5 25.Qe2 b5–+) 24...Nf5 25.Qf5 b5 26.e6 Be6 (26...ba4?! 27.ef7 Rf7 28.Qc5=) 27.Qc5 Rc7 (27...ba4?! 28.Qc6 Rc7 29.Qb6-/+) 28.Nb6 Bf7 29.h3 Qe7 (29...Qe7 30.Bd4 Nd4 31.Qd4 Rd8–+) 0–1. Fournier,Frederic – Borrmann,Fritz, KMG, 2009.

7.f5 Bf7

8.Bb5 c6 9.Be2 d5 -/+.

8.d4 Nd7 9.Nbd2 Ne7 10.Bc4 d5 11.ed5 Nf5 12.Qe2 (12.de5 fe5 13.Qa4 Bb6 14.Ne5 Qh4 15.g3 Qe7 16.Qd7 Qd7 17.Nd7 Kd7 18.Bb5 c6 19.dc6 bc6-/+) 12...0-0 13.de5 Ne5 14.Ne5 Re8 15.0-0-0 (15.Ndf3 Nd4! (15...fe5?! 16.Bb5–+) 16.Nf7 Re2 17.Be2 Qd5 18.Nd4 Qd4 (18...Qf7?! 19.0-0=) 19.Nh6 gh6–+) 15...Re5 (15...fe5?! 16.Bb5 Re7 17.Bd3-/+) 16.Qd3 Ne3 (16...Bd5? 17.Nf3 Ne3 18.Ne5 Nc4 19.Nc4+–) 17.d6 Nd1 18.Bf7 Kf7 19.Qc4 (19.Rd1 Qd6 (19...cd6?! 20.Nc4 Qc7 21.Ne5 de5 22.Qb5-/+) 20.Nc4 Qd3 21.Ne5 fe5 22.Rd3 Bb6–+) 19...Re6 (better is 19...Kf8!? 20.dc7 Bc7 21.Rd1–+) 20.Rd1 Qd6 (better is 20...cd6 21.Ne4 Bc7–+) 21.Nb3-/+ Qe5 22.Na5 Kg6 (22...b5!? 23.Qb3 a6-/+) 23.Nb7 Rb8 24.Nc5 Qe3 25.Kb1 Qe2 26.Qd3 f5 27.Qd2? (better is 27.Rd2 Qe1 28.Kc2=) 27...Rb2!–+ 28.Kb2 (28.Kb2 Qd2 Double attack; 28.Qb2 Qd1 Deflection (28...Qd1 Overloading)) 28...Qb5 29.Kc1 Qc5 (29...Qc5 30.h4 Re3–+) 30.Kb2? Qb5 31.Ka1 Re2 32.Qc1 Rg2 33.Rd2 Rd2 34.Qd2 Qe5 35.Qg2 Kf6 36.Qd2 h6 37.Qd8 Kg6 38.Qd2 Qe4 39.Qf2 f4 40.Qa7 Qe1 41.Kb2 f3 42.Qa6 Kh5 43.Qc8 Qe2 (43...Qe2 44.Ka3 f2 45.Qh3 Kg6 46.Qg2 Kh7–+) 0–1. Kucharkowski,Jens – Innorta,Giuseppe, corr, 1985. (Known even as „Kucharkowski,Jens – Hintzsche,Ingolf, corr DDR, 1985“).

8.d4 Ne7? 9.de5 de5 10.Qd8 +–. Kucharkowski.

8.Be2 d5 9.ed5 Bd5 10.0-0 -/+.

8.Be2 Ne7 9.0-0=+ d5 10.d3 0-0 11.Nbd2 Nbc6 12.Nh4 de4 13.de4 Bb6 14.Kh1 Qe8 15.Nc4 Bc5 16.Qe1 Rd8 17.Qg3 b5 18.Ba3 Ba3 19.Na3 a6 20.Nf3 Na5 21.h4? Qc6–+ 22.Ne5 Qd6 23.c4 bc4 (24.Nac4 Bc4 25.Bc4 Nc4–+) 0–1. Blaszczak,Jan – Woschkat,Karl_Heinz, corr 3GMM–59, 1996.

5.e4 Ne7

6.Bc4 Nbc6

7.0-0 Bg4 8.c3 Bc5 9.d4 Bb6 10.h3 Bf3 11.Rf3 f5 12.fe5 de5 13.Kh1 ed4 14.Nd2 Ne5–+ 15.ef5 Nc4 16.Qa4 Qd7 17.Qd7 Kd7 18.Nc4 Raf8 19.Ba3 Rf6 20.g4 Nc6 21.Rd1 Rd8 22.Re3 Kc8 23.Nb6 ab6 24.cd4 Rf7 25.d5+= b5 26.Rb3 b4 27.Bb2 Rfd7 28.Kg2 Rd5 29.Rd5 Rd5 30.Bg7 Rd2 31.Kg3 Ra2 32.f6 Ne5 33.Rb4+= Nf7 34.h4 Re2 35.Rb5 Ra2 36.Rh5 Ra3 37.Kf2 Ra2 38.Ke3 Ra3 39.Kd2 Kd7 40.Rh7 Rg3 41.g5 Ke6 42.Bf8 Rg2 43.Ke3 Rg4 44.Bc5 b5 45.Bd4 b4 46.Rg7 c5 47.Bb2 Rg3 48.Kf4 Rb3 49.g6 Rb2 50.Rf7 b3 51.h5 Rb1 52.Rf8?? b2+= 53.g7 (53.g7 Rf1 54.Ke3+=). Holaus,Verena (2100) – Dorer,Manfred (2220), RSXE – Ostern, 2006.

7.a3.

7.c3 Ba5

8.0-0!? Bb6 9.d4 Na5 10.Qd3 (10.Bd3).

8.0-0 Bb6 9.Kh1 ef4 10.Nd4 -/+.

8.0-0 ef4 9.d4 (9.Nd4 Ne5 10.Ne6 Be6 11.Be6 Bb6 12.d4 N7g6+=) 9...Bb6 10.Bc1 (10.Na3!?-/+) 10...Ng6–+ 11.Bd5 (11.Nbd2 Qe7–+) 11...Nce7 (11...Qe7 12.Nbd2 Na5 13.Ba3–+) 12.Bc4 (12.Bb3 c6–+) 12...c6 13.Qa4 Bg4 (13...Ba5 14.Qb3 d5 15.Bd3–+) 14.Nbd2 Ne5 (14...Qd7 15.Ba3 0-0-0 16.Kh1–+) 15.Ba3 Qd7 (15...Qc7 16.Rf2–+) 16.Rab1-/+ Rc8 (16...Rd8 17.Qb3-/+) 17.Be2 (17.Rf2 d5 (17...Nc4?! 18.Nc4 0-0 19.Bd6+=) 18.ed5 Bf3+= (18...cd5? 19.Bb5 N5c6 20.Re1+–)) 17...Be6 18.Ne1 N5g6 19.Nc4 (19.Nd3!? Ba2 20.Rb2-/+) 19...Bc4–+ 20.Bc4 (20.Qc4 d5 21.ed5 cd5-/+) 20...d5 21.Be7 (21.ed5 Nd5 22.Nd3 Nc3 23.Rbe1 Kd8–+) 21...Ne7 (21...Qe7?! 22.ed5 Kd8 23.dc6 Rc6 24.Nd3+=; 21...Ke7?! 22.Bd3-/+; 21...dc4?! 22.Bc5 Bc5 23.dc5-/+) 22.ed5 Nd5 (22...cd5?! 23.Bb5 Nc6 24.Rf4-/+) 23.Nc2 (23.Nf3 Kd8 24.Bd5 cd5–+ (24...Qd5?! 25.c4 Qa5 26.Qa5 Ba5 27.Rb7=)) 23...Nc3 24.Rbe1 Kd8 25.Qa3 (25.Qb3 Nd5–+ (25...Bd4?! 26.Nd4 Qd4 27.Kh1+=)) 25...Nd5 (25...Bd4?! 26.Kh1 Be5 27.Re5 fe5 28.Qc3–+) 26.Qf3 Ne3 27.Ne3 fe3 28.Rd1 Re8 29.Rfe1 Rc7 30.Rd3 Qd6 31.a3 Rce7 32.Qe2 Re4 33.Bf7 R8e7 34.Bg8 Bd4 35.Red1 c5 36.g3 Qd7 37.Kg2 R4e5 38.Kg1 Rf5 (38...Rf5 39.Bc4 Kc7–+) 0–1. Rosner,Dirk – Milde,Lars, Tigerschachclub, 2002.

8.Qb3.

8.d4 ed4-/+ 9.0-0 dc3 10.Nc3 Bb6 11.Kh1 Na5 12.Qd3 Nc4–+ 13.Qc4 Bg4 14.Rad1 Qd7 15.e5 Be6 16.Qe2 0-0 17.ed6 Nc6 18.Ne4 Ba2 19.dc7 Qc7 20.Ba3 Bb3 21.Rb1-/+ Bf7 22.Bd6=+ Qd7 23.Bf8 Rf8 24.Qb5 Qc7 25.Rfd1 Rd8 26.Rd8 Nd8 27.Rd1 Nc6 28.Qf5 Nb4 29.h3= h6 30.Rd7 Qc6 31.Kh2 Qe6 32.Qe6 Be6= 33.Rb7 Nd3 34.Rb8 Kh7 35.Rb7 Kg8 36.g3 Bd5 37.Rb8 Kf7 38.Nfd2 Ke7 39.Nc3 Bc6 40.Nc4 Bd4 41.Na5 Bf3 42.Nb5 Bb6 43.Nc4 Bc5 44.Nc7 Kd7 45.Na6 Bd4 46.Na3 Nc5 47.Rb4 Be3 48.Nc5 Bc5 49.Rb3 Bd5 50.Nc4 f5 51.Ne5 Kd6 52.Rb8 Bb6 53.Rf8 a5 54.Rf5 a4 55.Nf7 Bf7 56.Rf7+= a3 57.Rf8 Kc5 58.Ra8 Kb4= 59.Rb8?? Kb5–+ 60.Ra8 Ba5 61.Rc8 a2 62.Rc1 Bc3! 63.g4 a1Q 64.Ra1 Ba1 65.Kg3 Bf6 66.h4 Kc4 67.g5 h5 (67...h5 68.gf6 gf6–+) 0–1. Kucharkowski,Jens – Ruecker,Udo, corr KMG–26, 1993.

8.f5 idea Nh4 idea Qh5/Qg4.

5.e4 ef4

6.a3 Ba5 -/+.

6.c3 Ba5 7.d4 f5 8.e5 de5 9.Bc4 e4 10.Qe2 Ne7 11.Ne5 Qd4 12.Qh5 g6 13.Bf7 Kd8 14.Ng6 hg6 15.Qg5 Qe3 16.Kd1 Nd7 17.Re1 Qd3 18.Kc1 Rh2 19.Ba3 c5 20.Bc5 Nc5 21.Rd1 f3 22.Rd3 Nd3 23.Kd1 Rh1 24.Kd2 f2 25.Na3 Ra1 (26.Qf6 f1Q 27.Qd4 Bd7 28.Qh8 Ng8 29.Qh4 Kc8 30.Qd8 Kd8 31.Nb1 Qg2 32.Ke3 Bb6#) 0–1. Zimmermann,Joerg – Rosner,Dirk, corr KMG–44, 1998.

6.Bc4 Qe7 7.0-0 Nc6 8.c3 Bc5 9.d4 Bb6 10.Nfd2 g5 11.Bd5 Bd7 12.Nc4 0-0-0 13.Nbd2 Na5 14.Na5 Ba5 15.Nc4 Bb6 16.Re1 h5 17.a4 c6 18.Nb6 ab6 19.Bg8 Rdg8 20.c4 h4 21.a5 ba5 22.Ra5 h3 23.d5 hg2 24.Qa1+= Kc7 25.Ra7 =. Pleschke,Helmut – Raeuchle,Walter, DESC, 2000.

6.Bc4 Qe7 7.0-0 Be6 8.Qe2 Nd7 (8...Nc6 9.Nc3 Bc3 10.Bc3=) 9.d4 (9.Nc3 Bc4 10.Qc4 Bc3 11.Bc3 Nc5=+) 9...Bc4 (9...0-0-0!?-/+) 10.Qc4=+ c5 11.Nc3 (11.a3!? Ba5 12.Qa4=+) 11...Bc3 12.Bc3 Nb6 (12...0-0-0 13.Qd5 Nh6 14.Ba5-/+) 13.Qd3 c4 14.Qd2 Nh6 (14...Qe4?? 15.Rae1 Qe7 16.Qf4+-) 15.Qf4 0-0 16.a4 (16.Bb4!? Rad8 17.Rae1=) 16...f5=+ 17.e5 Nd5 18.ed6 Qe3 (better 18...Qe6!? 19.Qd2 Ng4=+) 19.Qe3+= Ne3 20.Rfc1 (20.Rfb1 Nc2 21.Ra2 Ne3 22.Rb7 Nf7+=) 20...Rfd8 (20...Nf7 21.Bb4=+) 21.Rab1 b6 22.Bb4 Nf7 23.Bd2 (23.Ne5 Nd6 24.Nc6 Ne4 25.Nd8 Rd8=) 23...Nd5-/+ 24.Ne5 (24.Rb5!? Rd6 25.Re1-/+) 24...Nd6 25.Re1 Rac8 Black intends c3 26.Rbd1 (26.Re2 Ne4 27.Rf1 g6-/+) 26...Ne4-+ Black plans c3 27.g4 (27.Be3 Nb4 28.Rc1 Rd5-+) 27...Nd2 28.Rd2 fg4 (28...c3!? 29.Rdd1 Nb4 30.Re2 fg4 31.Kf2-+) 29.Ng4-/+ c3 30.Rde2 Rc4 31.Re8 Re8 32.Re8 Kf7 33.Rd8?? (better 33.Ne5 Ke8 34.Nc4-/+) 33...Rd4-+ 34.Rd7 (34.Ne3 Ke6 35.Nd5 Rd5 36.Ra8 Rd1 37.Kf2 Rd2 38.Ke3 Rc2 39.Kd3 Rh2 40.Kc3 Rh3 41.Kc2-+) 34...Ke6 35.Rg7 Rd1 (better 35...Rd2 36.Rg5 Nf4 37.Rg8 Rc2 38.Ne3-+) 36.Kf2 h5 37.Ne3 Rd2 38.Kf3 Ne3 (better 38...Rh2!? 39.Ng2 a5 40.Kg3-+) 39.Ke3 Rc2 (39...a5 40.Rg6 Kd5-+) 40.Ra7?? (better 40.Kd3 Rh2 41.Kc3-/+) 40...Rh2-+ 41.Rc7 c2 42.Kd3 (42.Kf4 Kd6 43.Rc8 h4-+) 42...h4 43.a5 (43.Ke4 h3 44.Kf3-+) 43...ba5 44.Rc6 Kd5 45.Ra6 c1Q 46.Ra5 0-1. Bennett,Hilton - Stuart,Peter, NZL, 1986.

6.Bc4 Qe7 7.0-0 Bg4 8.Kh1 Nd7 9.h3 Bh5 10.Nc3 g5 11.Nd5 Qd8 12.d4 Ne7 13.Nb4 c6 14.Qd3 Bf7 15.Bf7 Kf7 16.e5 de5 17.de5 Ne5 18.Ne5 fe5 19.Be5 Qd3 20.Nd3 Rhe8 21.g3 Ng6 22.gf4 gf4 23.Bf4 Nf4 24.Rf4 Kg6 25.Rg1 Kh5 26.Rf7 Rh8 27.Nf4 Kh6 28.Rf6 1–0. alleyb (1730) – pukism (1765), gameknot.com, 2014.

6.Bc4 Qe7 7.Qe2 -/+.

6.Bc4 Ne7 7.0-0 Nbc6 8.c3 Ba5 9.Nd4 Nd4 10.cd4 (10.Qh5 Ng6 11.cd4 d5 12.ed5 Qd6-/+) 10...Ng6 11.Qh5 Bb6 12.a4 a6 13.a5 Ba7 14.Rf4 Qe7 15.Rf2 Be6 (15...Qe4? 16.Re2 Qe2 17.Qe2 Kd8 18.Na3+–) 16.Na3 0-0 17.d3 Bf7 18.Rc1 Ne5 19.de5 Bc4 (19...Bf2 20.Kf2 fe5 21.Kg1+=) 20.Nc4 (20.ed6 Qd6 21.Rc4 Bf2 22.Kf2 Qd3 A) 23.Rc7?? Qd2 24.Kg3 Qd6 (24...Qb2?! 25.Nc4 Qc3 26.Qf3 Qe1 27.Kh3–+) 25.Be5 Qa3 (25...Qe5?! 26.Qe5 fe5 27.Nc4–+) 26.Kh4 fe5–+; B) 23.Rd4=) 20...Bf2+= 21.Kf2 de5 22.Ba3 c5 (better is 22...Qf7 23.Qf7 Rf7+=) 23.Nb6+/– Rac8 (23...Rad8 24.Bc5 Qe8 25.Qe8 Rfe8+/– (25...Rde8?? 26.Bf8 Kf8 27.Nd5+–)) 24.Nc8+– Rc8 25.Qd1 Qe6 26.Bc5 Qa2 27.Kg3 h6 28.Bb4 Rc1 29.Qc1 Qe2 30.Qc8 Kh7 31.Qf5 (31.Qb7?! Qd3 32.Kg4 Qf1+/–) 31...Kg8 32.Qd7 Kh7 (32...b5 33.ab6 Qe3 34.Kg4 Qb6 35.Qd5 Kh7 36.Qc5 Qe6 37.Kf3+–) 33.Bc5 (33.Qb7?! Qd3 34.Kg4 Qf1+/–) 33...Qe1 34.Kh3 Qa5?? (34...Qe2+–) 35.Bf8 1–0. Janek – Hans, internet, 2016.

6.Bc4 Ne7 7.0-0 Nbc6 8.c3 Bc5 9.d4-/+.

6.Bc4 Ne7 7.0-0 Bg4 8.c3 (8.a3 Ba5-/+) 8...Bc5 9.d4 Bb6 10.Qd2 (10.h3 Bh5-/+) 10...Ng6 11.Kh1 (11.Na3!?-/+) 11...Nc6–+ 12.a4 (12.h3 Na5 13.Na3 Bd7–+) 12...Na5 13.Ba2 Qd7 14.Qf2 c6 (14...Be6 15.Be6 Qe6 16.Nbd2–+) 15.Nbd2 0-0-0 16.Ba3 (16.Ne1 f5 17.Nd3 fe4 18.Ne4 Rhe8–+) 16...d5 (16...h5 17.Rab1–+) 17.Rab1 Rhe8 (17...Be6 18.Rfe1–+) 18.ed5 cd5 19.Rb5 Be6 20.Bc5 Bc5 21.Rc5 (21.Rc5 Nc6 22.a5–+) 0–1. Trokenheim,Marek – Wiergowski, email priv, 1997.

6.Bc4 Ne7 7.c3 Bc5 8.d4 Bb6-/+.

6.Bc4 Nh6 7.0-0 Ng4 8.Qe2 Ba5 9.Nc3 c6 10.Bb3 Qe7 11.Nd4 Bb6 12.Na4 f3 13.gf3 Nh6 14.Qg2 Bd8 15.Rfe1 b5 16.Nf5 Qc7 17.Ba3 c5 18.Nc3 Nf5 19.ef5 Kf8 20.Nb5 Qd7 21.Qg3 Qc6 22.Nd6 Bd7 23.Re4 Bc7 24.Re7 1–0. varcany (2110) – gabrel (2035), gameknot.com, 2014.

6.Bc4 Nc6

7.0-0 Nge7 8.Qe2 Bc5 9.d4 Bb6 10.Kh1 Bg4 11.Qd3 Na5 12.Nc3 Nc4–+ 13.Qc4 c6 14.Rae1 Qc7 15.Ne2 Ba5 16.c3 g5 17.h3 h5 18.hg4= hg4 19.Kg1? gf3–+ 20.Rf3 Qd7 (20...Qd7 21.Ba3 0-0-0–+) 0–1. Michalek,Martin – Baer,Werner, TT–08 ETC, 2003.

7.0-0 Bg4 8.Qe1 Bf3–+ 9.Rf3 Ne5 10.Be5 fe5 11.g3 Qg5 12.Nc3 Nf6 13.Nd5 Nd5 14.Bd5 c6 15.Bc4 b5 16.Be6 fg3 17.Rg3 Qh6 18.Bh3 Bd2 19.Qe2 Bf4 20.Qg4 Bg3 21.Qd7 Kf8 22.hg3 Qe3 23.Kh2 Qe2 24.Kg1 Qe3 25.Kh2 Qe2 26.Kg1 Qe3 ½–½. Paltrinieri,Mario – Bakkers,Max, corr KMG–29, 1994.

7.c3 Ba5 8.Qb3? (better is 8.0-0!?-/+) 8...Nge7–+ 9.Bf7 (9.0-0 Bb6 10.Nd4 Na5 11.Qb5 c6 12.Qh5 Ng6–+) 9...Kf8 10.d4 (10.Na3 g6–+) 10...Bb6 11.a4 Na5 (11...Na5 12.Qa2 Qd7–+) 0–1. Ramirez Munoz,Eduardo – Krasny,Henryk Jan, corr TKM/A007, 2000.

7.c3 Ba5 8.Qb3 Nh6 -/+.

7.c3 Ba5 8.d4 f5–+ 9.Qb3 Nh6 10.Nbd2 fe4 11.Ne4 Bf5 12.0-0? Bb6?? 13.Rae1=+ Na5 14.Qb4 Kf8 15.Bd5= c5 16.Qb5 Rc8 17.Neg5 cd4 18.cd4= a6 19.Qb4 Nc6 20.Qd2+= Qf6 21.Ne6 Kg8 22.Nf4 Kf8 23.Nh5 Qg6+= 24.Qf4?? Ne7-/+ 25.Nh4 Qh5 26.Nf5 Nhf5 27.Qd6 Bd8 28.Qd7 g6 29.Re7! Be7 30.Qc8 Kg7 31.Qb7 (31…Qe2 32.Bc4 Qc4 33.d5 Kh6 34.Rf5 Bc5 35.Kh1 gf5 36.Qg7 Kh5 37.Qf7 Kg4 38.h3 Kf4 39.Qc7 Ke3 40.Bh8–+). Kucharkowski,Jens – Kuhlmann,AEJ, friendly, 1995.

7.c3 Bc5 8.d4 Bb6 -/+.

5.fe5 de5

6.e3 Nc6 7.Bb5 Nge7 8.0-0 a6 9.Bc4 b5 10.Bb3 Bg4 11.c3 Ba5 12.Qe1 Bf3 13.Rf3 Qd3 14.Qg3 Ng6 15.Rf2 Nce7 16.Na3 Rd8 17.Rd1 Bb6 18.Bc2 Qd5 19.Bb3 Qe4 20.d4 c5 21.Bc2 Qc6 22.Bg6 (better is 22.Qg4!?+=) 22...hg6–+ 23.Rfd2 (23.h3 e4–+) 23...cd4 (better is 23...ed4!? 24.h3 dc3 25.Rd8 Bd8–+) 24.cd4-/+ Qe4 25.Nc2 Rc8 26.Qf2 ed4 27.Bd4 Ba5 28.Rd3 Qc6 29.Na1 Nf5 30.Nb3 Bc7 31.h3 Bg3 32.Qb2 Nd6 33.Nd2 Qc2-/+ 34.Qb1 0-0 35.e4 Bf4 36.Qb3 Qb3 37.ab3 Rfe8 38.Be3 Be3 39.Re3 Rc2 40.g4 Kf7 41.Nf3 Re4 42.Red3 Ne8 43.Nd4 Rc8 44.Kf2 b4 45.Ne2 Rc2 46.R1d2 Rd2 47.Rd2 Nc7 48.Rd4 Rd4 49.Nd4 Ne6 50.Nc2 Nc5 51.Nb4 g5 52.Ke3 Ke6 53.Kd4 Nb3 54.Kc4 Nd2 55.Kd4 a5 56.Nd3 Kd6 57.Nb2 Nf3 58.Ke4 Ne5 59.Kf5 Ke7 60.Na4 g6 61.Ke4 Kd6 62.Nc3 Ke6 63.Na4 f5 (63...f5 64.Kd4 Nf3 65.Kc4 Ke5–+) 0–1. Fournier,Frederic – Mephisto Mondial, Match Thematique, 2000.

6.e3 Ne7 7.Bc4 Bf5 8.Nc3 Nbc6 9.a3 Ba5 10.0-0 a6 11.Nh4 Bg6 12.Ng6 hg6 13.Qe2 Qd7 14.Ne4 0-0-0 15.Ba6 Qd5 16.Bd3 f5 17.Nc3 Qd7 18.Rfd1 e4 19.Bb5 Qd6 20.g3 Ne5 21.Kg2 Nf3 22.h3 Rh3 23.Kh3 Rh8 0–1. awnatari (1745) – pukism (1775), gameknot.com, 2014.

4.Nf3 Nf6

5.a3 Bc5 6.fe5 de5 7.Be5 0-0 8.e3 Re8 9.Bb2 Bf5 10.Be2 h6 11.0-0 Nbd7 12.Nh4 Bh7 0–1. Rooijen Van,Peter (1655) – Muller,Henri (2060), BI–2010–P–00022, 2010.

5.c3 Ba5 6.fe5 de5 7.Qa4 (7.Na3 Nc6-/+) 7...c6 8.Ba3 (8.Ne5 Nbd7 9.Nd3 0-0-/+) 8...e4–+ 9.Nd4 e3! 10.de3 Ng4 11.Qc2 (11.Nf3!?-/+) 11...Qf6–+ 12.Qe4 Be6 13.Qf4 Nd7 14.g3 Bd5 15.Rg1 Qe5 (15...Nde5!?–+) 16.Qg4-/+ Qe3 17.Nf5 (17.Qg7? 0-0-0 18.Nf5 Qg1–+) 17...Bc3 18.Nc3 Qc3 19.Kf2 Qa3 (19...Qa1 20.Ng7 Kd8 21.Qd7 Kd7 22.Bh3 Be6 23.Be6 (23.Ra1? Bh3 24.Bb2 Kc7–+) 23...fe6 24.Ra1+–) 20.Ng7 Kf8 21.Qd7 Qc5 22.e3 Kg7 23.Bd3 (better 23.Qf5!?-/+) 23...Be6–+ 24.Rac1 (24.Qb7?? Rhb8 25.Qc7 Rb2 26.Be2 Bg4–+) 24...Qe3! (worse 24...Bd7 25.Rc5 Rad8 26.Ke2-/+) 25.Ke3 Bd7 26.Kf4 (26.Rc5 b6 27.Rh5 h6–+) 26...Be6 27.Bb1 Rad8 28.Rgd1 Rhe8 29.Rd8 Rd8 30.a3 (30.Ke3 Re8 31.Kf4 Bd5–+) 30...Rd2 31.Rc2 Rc2 32.Bc2 b5 33.Bd3 a6 34.Ke5 c5 35.Be2 Bb3 36.h4 (36.Bf1 f6 37.Ke4 Kf7–+) 36...Bc2 37.Kd5 b4 38.Kc4 (38.ab4 cb4 39.Kc4–+) 38...ba3 39.Kc3 a2 40.Kb2 Bb3! 41.Ba6 (41.Kb3 a1Q Combination) 41...c4 42.Ka1 f5 43.Kb2 (43.h5 c3 44.Bd3–+) 43…c3! (43...c3 44.Kb3 a1Q–+) 0–1. varcany (2105) – bolaf (1995), gameknot.com, 2014.

5.fe5 Ne4?? 6.c3+– Bc5 7.Qa4 Bd7? 8.Qe4 0-0 9.Qb7 Nc6 10.ed6 cd6 11.Qa6 Qc7 12.Na3 Rfb8 13.Nc4 Bc8 14.Qa4 d5 15.Ba3 Ba3 16.Na3 Bd7 17.Nb5 Qd8 18.Nbd4 Ne7 19.Qc2 Bg4 20.e4 de4 21.Qe4 Bf3 22.Nf3 Ng6 23.d4 Rb2 24.Nd2 Qf8 25.Qf3 Re8 26.Be2 Nh4 27.Qf2 Qe7 28.Rg1 Nf5+/– 29.g3 g6?? 30.Qf3 Ne3 31.Rc1 Ra2+/– 32.Nb1 Nc2 33.Kd1 Na1?? 34.Bc4+– Rh2 35.Nd2 Qa3 36.Qf7 Kh8 37.Qf6# 1–0. Bonetti,Shane – PagerDad, ICC, 2002.

5.c3 Bc5

6.fe5 de5 7.e3 e4–+ 8.Nd4 Ng4 9.g3 Ne5 10.Be2 Bh3 11.Qa4 Nbd7 12.Nb3 Bd6 13.Qe4=+ 0-0 14.Na3 Nf6 15.Qb7=+ Qe7 16.Qa6 Bc8 17.Qa5 Bg4 18.Qa6 Rfb8 19.Bg4 Nfg4 20.0-0 Nh2 21.Kh2 Nd3! 22.Rf4? Nb2–+ 23.Nc4 Bf4 24.gf4 Qh4 25.Kg2 Qg4 26.Kf1 Qf3 27.Kg1 Nc4 28.Qc4 Rb6 (28...Rb6 29.Qe4 Qe4–+) 0–1. Zylla,Johannes – Roggensack_Hanspach,Peter, corr SOK–92–79, 1992.

6.fe5 de5 7.Ne5 0-0 8.d4 Bd6 9.Nd2 Re8 (9...Nc6 10.Ndf3–+) 10.Ndf3 (10.Qb3 Be5 11.de5 Ng4-/+) 10...Nc6–+ 11.Nc6 (better 11.Qd3!?–+) 11...bc6 12.Qd3 Qe7 13.Bc1 Ne4 14.Rb1 Bf5 15.Qe3 (15.g4 Bg4 16.Rg1 h5–+) 15...Qf6 16.Ra1 (16.Qg1 Ng3 17.Rb3 Nh1 18.Qh1 Be6–+) 16...Rab8 17.Rg1 (17.Bd2 Ng3 18.Qg1 Nh1 19.Qh1 Rb2–+) 17...Nc3! 18.Qg5 (18.Qc3 Bb4 Decoy) 18...Qe6 19.g4 (19.Qd2 Ne4 20.Ng5 Qf6 21.Ne4 Re4–+) 19...Bd3 20.Rg2 (20.Ne5 Ne4 21.Qe3 Bb4 22.Kd1 Nc3 23.Kd2 Nd5 24.Kd3 Ne3 25.Be3 f6–+) 20...Qc4 21.Qd2 Nb1 22.Rb1 Rb1 23.Kf2 Be4 24.e3 (24.Qe3 Qc1 25.Qc1 Rc1–+) 24...Qc1 (24...Rc1 25.Bc4 Rc4 26.Qd1–+) 25.Qc1 Rc1 26.Nh4 (26.Be2–+) 26...Rc2 27.Kg1 Bg2 28.Ng2 Ra2 29.Bc4 Ra1 (better 29...Rd2 30.Bf1–+) 30.Kf2 Bh2 0–1. varcany (2190) – cimabue (2065), gameknot.com, 2014.

6.fe5 Ng4 7.e3 (7.d4 de5 8.h3 Ne3+=) 7...de5 (7...Nc6 8.h3 Nge5 9.d4 Nf3 10.Qf3-/+) 8.h3 e4 (8...Nf6 9.d4 ed4 10.cd4 Bb4 11.Nbd2 Ne4 12.Bb5 c6–+) 9.Qa4 Bd7?? (better is 9...Kf8 10.hg4 ef3 11.gf3 Nc6+=) 10.Qe4+– Qe7 1–0. Bonetti,Shane – guest319, ICC, 2002.

5.fe5 de5

6.Be5 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe4 de5 5.Be5 Nf6 6.Nf3).

6.Be5 0-0 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 d6 4.fe5 de5 5.Be5 Nf6 6.e3 0-0 7.Nf3).

6.Ne5 Nc6 7.Nc6 bc6 8.Nc3 Ng4 9.e3 0-0 10.Bd3 Rb8 11.Rb1 Qh4 12.g3 Qh3; 8.a3 Bc5 (8...Bd6 9.Nc3 0-0 10.e3 Rb8 11.Rb1 Ng4 12.Ne4 Bh2) 9.Nc3 Bg4 10.Qc1 0-0 11.e3 Nd5 12.Ne4 Bb6.

6.Ne5 Nc6 7.Nc6 bc6 8.e3 Rb8 9.Qf3=+ Bd2 10.Nd2 Rb2 11.Qc6 Nd7 (11...Qd7 12.Qc3 Rb8 13.Bc4=+) 12.Nb3 (better 12.Nc4 Rb8 13.0-0-0=) 12...Qf6?? (better 12...0-0=+) 13.Qf6+– Nf6 (13...gf6?? 14.Kd2+–) 14.Kd2 Bf5 15.Bd3 Bd3 16.Kd3 Nd5 17.e4 Nb4 18.Kc3 Rc2 19.Kb4 Rg2 20.Rhg1 Rh2 21.Rg7 Re2 (21...Ke7 22.Rf1 Rf8 23.a4+–) 22.Nc5 Rf2 (22...Kf8 23.Rg5 h5 24.Rd1+–) 23.Rd1 h5 (23...Re2 24.a3+–) 24.Rd7 h4 (24...Kf8 25.Rg5 Rh6 26.Rc7 a5 27.Kc4 h4 28.Rc8 Ke7+–) 25.Rc7 Kf8 26.Rg4 Rh6 27.Nd7 Ke7 28.Ne5 Kf8 29.Ra7 h3 (29...Rb6 30.Kc4 Rbb2 31.Rh4 Rbc2 32.Kb5 Rb2 33.Kc5 Rbc2 34.Kb6 Rb2 35.Kc7 Ra2 36.Ra2 Ra2+–) 30.Nd7 Ke7 31.Nf6! Kf6 32.Ra6 (32.Ra6 Ke5 33.Rh6 Ra2 34.Rh3+–) 1–0. pvanr (2180) – bolaf (2015), gameknot.com, 2014.

6.Ne5 Nc6 7.Nc6 bc6 8.e3 Ne4 9.g3 0-0 10.Bg2 Qe7 (10...Qe8 11.0-0 Rb8 12.Qe2 Bd6) 11.0-0 Rb8 12.Qe2 (12.Be4 Qe4) 12...Bc5 13.Bc1 Rb6 14.Rf4 Ba6 15.Qf3 Ng5 16.Qf2 Bd6 17.Ra4 Qd7 (17...f5 18.Nc3-/+) 18.Nc3+= c5 19.d4 (19.Ba3 Rfb8 20.Rd1 Bb7 21.Ra7 Bf3+=) 19...Bb7 (19...f5 20.Qd2 cd4 21.Rd4-/+) 20.Ra7 Bg2 21.Qg2 cd4 22.ed4 Be5 23.Bg5 (23.de5?? Qd4 24.Be3 Qe3 (worse is 24...Qc3 25.Bb6 Qa1 26.Qf1 Nf3 27.Kg2 Qf1 28.Kf1 cb6 29.Rb7–+) 25.Kh1 Qc3–+) 23...Qd4 24.Kh1 Qc3 25.Rc1 Rd6 26.Ra4 f6 27.Bf4 Bf4 28.Rf4 Qb2 29.Qf1 Rd2 30.Rb1 Qc2 31.Qc4 Qc4 32.Rc4 Ra2 33.Rc7 Rd8 34.h4 h6 35.Rc3 Kh7 36.Kg1 Kg6 37.Rf3 Rdd2 38.Rb7 Rd1–+ 39.Rf1 Rd3 40.h5 Kh7 41.Rf2?! Rg3 42.Kh2 Rf2 43.Kg3 Rf5 44.Kg4 Rf1 45.Rb5 Rg1 46.Kh4 Re1 0–1. Zylla,Johannes (2125) – Gavrijski,Dimitar (2140), corr ICCF WSTT/3/06/Final, 2009.

6.Ne5 Nc6 7.e3 Ne4 8.Qf3 Qd5 (8...Qh4 9.g3 Ne5 10.Be5 Qg4 11.Be2 Qf3 12.Bf3 0-0) 9.Bd3 Ne5 10.Qe4 Qe4 11.Be4 0-0 12.Be5 Re8.

6.Ne5 Nc6 7.e3 Ne5 8.Be5 0-0 9.c3 Re8N 10.Bf6+= Qf6 11.Qf3 (11.Qa4 Qh4 (11...Re4 12.Bd3 b5 13.Qb5 c6+– 2.06) 12.g3+= Qe4 13.Rg1 Bd6+=) 11...Be7 (11...Qf3 12.gf3 Bd6 13.e4 Be6+=) 12.Qf6 Bf6 (worse is 12...gf6 13.Be2= (13.g3 Be6=) 13...Be6=) 13.Be2 (13.Bc4 Bd7+=) 13...c6 14.Na3 Be6 15.Kf2 Rad8 16.d4 Bg5 17.e4 Bd7 18.h4 Be7 19.Nc4 c5 20.Ke3 Bf6 21.e5 Be7 22.a4 cd4 23.cd4 g6 (23...f6!? 24.Bh5 g6+=) 24.d5+/– Bc8 25.Bf3 (25.Rad1!?+/–) 25...Bc5= 26.Kf4 f6 27.e6 (better is 27.ef6!? Rf8 28.Rhd1=) 27...Be6+= 28.de6 Rd4 29.Kg3 Rc4 30.Rhc1 Bd6 31.Kh3 Rc1 32.Rc1 Kf8 (worse is 32...Re6 33.Bd5 Kf7 34.a5+=) 33.a5 Re6 34.Rb1 h5 35.Rb7 Re1 36.g3 Rg1 37.Bg2 Ra1 38.Rd7 Be5 39.Ra7 Ra3 40.Kh2 Bg3 41.Kg1 Bh4 42.Bd5 f5 43.a6 Be7 44.Kh1 f4 45.Bc4 g5 46.Rd7 g4 47.a7 f3 (47...f3 48.Bd5 Ra1 49.Kh2 f2 50.a8Q Ra8–+) 0–1. pvanr (2120) – grandpatzer (2390), gameknot.com, 2013.

6.Ne5 Nc6 7.e3 Ne5 8.Be5 0-0 9.Qf3 Ng4 10.Bc3 Bd6 11.g3 Be6 12.Bd3 Qg5.

6.Ne5 Bd6 7.e3 Bd7 (7...0-0 8.Be2=) 8.Qf3 Be5 (8...c6 9.Bc4 0-0 10.Nd3=) 9.Be5+= Bg4? (better is 9...Nc6 10.Bf6 Qf6 11.Qf6 gf6+=) 10.Qb7+– Nbd7 11.Bc7 (11.Qc7?! Qc7 12.Bc7 Rc8+–) 11...Qc8 12.Ba6 Nb6 (12...Nc5 13.Qc6 Bd7 14.Qf6 gf6 15.Bc8 Rc8+–) 13.Nc3 (13.Bb6?! ab6 14.Bb5 Nd7 15.Qb6 Qc2+–) 13...Nfd7 (13...0-0 14.Qb6 ab6 15.Bc8 Rfc8 16.Bb6 Bf5+–) 14.Qe4 Be6 15.Bc8 (15…Rc8 16.Qb7+–) 1–0. Trkn – guidoz, ICC, 2004.

6.Ne5 Nbd7 7.Nd3 Bd6 8.e3 0-0 9.Be2 c6 10.0-0 Qc7 11.g3 b6 12.Nc3 Re8 13.Qe1 Bb7 14.Qf2 Rad8 15.a3 Ne5 16.Ne5 Be5 17.d4 Bd6 18.Bf3 a6 19.e4 Bf8 (better is 19...c5!? 20.e5 cd4 21.ed6 Rd6+=) 20.e5+= Nd5 21.Ne4 b5 22.Rac1 a5 23.Be2 Ba6 24.a4 f6 (24...ba4 25.Nc5 Double attack (25.Ba6 Pinning; 25.Ba6 Deflection; 25.Nc5 Decoy)) 25.Bd3 fe5 26.de5 Nb4 (26...Re5?? 27.Be5 Qd7 28.Nc5 Bc5 29.Qc5+–) 27.e6 Re6 28.Ng5 Nd3? (better is 28...Rh6 29.Bh7 Rh7+/–) 29.Qf8!+– (29.Ne6 Nf2 30.Nc7 Nh3 31.Kg2 Rd2 32.Kf3 Bc8=) 29...Rf8 30.Rf8 Kf8 31.Ne6 Ke7 32.Nc7 Nc1 33.Bc1 Bb7 34.ab5 cb5 35.Nb5 Be4 36.c4 1–0. Rooijen Van,Peter – Pott,Brian (1715), RC–2011–0-00082, 2011.

6.Ne5 Ne4 7.c3 Bd6 8.Qa4 Bd7?? 9.Qe4+– Qe7 10.Qb7 Be5 11.Qa8 0-0 12.Qa7 Nc6 13.Qe3 Nb4 14.cb4 Qh4 15.g3 Qb4 16.Qe5 Re8 17.Qg7# 1–0. Bonetti,Shane – zsazsa, ICC, 2002.

6.Ne5 Ne4 7.g3 Qg5 8.Bg2= Bf5 9.0-0 Bc5 10.d4+= Bd6? 11.Qd3+– Be5 12.Be4 Bh3? 13.Bb7 Bf1 14.Ba8 Bd6 15.Kf1 0-0 16.Bf3 Nd7 17.Nc3 f5 18.Nb5 1–0. pcmvr (2870) – geigermuller (2290), net–chess.com, 2008.

6.Ne5 0-0

7.c3 Bd6-/+ 8.Nf3 Nc6 9.e3 Bf5 10.Be2=+ Ne5 11.0-0 Nd3 12.Qc2 Bc5?? 13.Ne5 Ne5 14.Qf5 Bd6 15.c4 Ned7 16.Nc3 Qe7 17.Rae1 Qe5 18.Qe5+/– Be5 19.d4 Bd6 20.e4 Be7? 21.e5+– Ne8 22.Nd5 Bd8 23.Ba3 c5 24.Bg4 (24.Bg4 Nb6 25.Bc5 Nd5 26.cd5+–; 24.Bc5?! Nc5 25.dc5 Nc7+–) 1–0. juanpacio (1815) – kcarlin, internet, 2007.

7.c3 Bd6 8.Nf3 Ng4 9.g3 Qf6 10.Bg2 Nh2 11.Qc2 Bg3 12.Kd1 Bf5 13.d3 Ng4 14.Kc1 Ne3 15.Qb3 Ng2 16.Qb7 Nc6 17.c4 Qe6 18.Nc3 Bf4 19.Kc2 Rab8 0–1. pukism (1770) – varcany (2080), gameknot.com, 2014.

7.e3 c5 8.Bc4 Be6 9.Be6 fe6 10.0-0 Nc6 (10...Nbd7 11.Nd7 Nd7 12.Rf8 Qf8 13.a3=) 11.Nc6+= bc6 12.d3 (12.a3 Ba5+=) 12...c4= 13.dc4 (13.Bf6 Rf6 14.d4= (worse 14.dc4 Bc5-/+)) 13...Qc7 (13...Qd1 14.Rd1 Ng4 15.Rd3-/+) 14.Qe2 (better 14.Bf6!? Rf6 15.Rf6+=) 14...Bd6 (better 14...Ne4=+) 15.h3?? (better 15.g3=+) 15...Bh2-+ 16.Kh1 Be5 (better 16...Ne4 17.Rf3 Rf3 18.Qf3 Rf8-+) 17.Be5-/+ Qe5 18.Nd2 h6 (better 18...Nh5!? 19.Rf8 Rf8-/+) 19.Rab1 (19.Nf3 Qh5=) 19...Ne4 (19...Qa5 20.Nb3 Qa2 21.Nc5=) 20.Ne4+= Qe4 21.Qd3 Qe5 22.Rb7 (22.Qd4 Qc7+=) 22...Rad8 (22...Rf1 23.Qf1 Rf8 24.Qe1=) 23.Rf8 Kf8?? (better 23...Rf8 24.c3 a5=) 24.Qg6 (24.Qd8) 24…Rd1 0-1. alaindubleu (1765) – Anonymous, lichess.org, 2016.

7.e3 Qd5 8.Nd3=+ Qe4 9.Nb4+= Qh4 10.g3 Qb4 11.Bf6 gf6 12.Bg2 Bf5? 13.0-0+– Nc6?? 14.Rf5 1–0. Bonetti,Shane – kwilu, ICC, 2002.

7.e3 Bd6 8.Be2 Be5 9.Be5 Nc6 10.Bb2 Ne4 11.0-0 Be6 12.Bf3+= Ng5 13.Bc6 bc6 14.d3 Rb8 15.Ba3+/– Re8 16.h4 Nh3 17.gh3 Bh3 18.Rf4 Re3 19.Kf2 Re6 20.Qf3+/– Rf6 21.Rf6+– Qf6 22.Qf6 gf6 23.Bc5 Rb5 24.Ba7 Be6 25.Nc3 Rb2 26.Rg1 Kh8 27.Bd4 Rc2 28.Ke3 h5 29.Bf6 Kh7 30.a4 Bg4 31.Be5 Kg6 32.a5 Kf5 33.a6 Ke5 34.a7 (34.a7 Rc3 35.a8Q+–) 1–0. Bonetti,Shane – MrMossy, ICC, 2002.

7.e3 Ne4 8.Nf3 Bg4 9.Bd3 Nc5 10.a3 Nd3 11.cd3+=.

7.e3 Ne4 8.Nf3 Bg4 9.Bd3 Nc5 10.Be2 Na4 (better 10...Nc6!?-/+) 11.Bg7= Kg7 12.c3 Nc3 13.Nc3 Bc3 14.dc3 Qd1 15.Rd1 Re8 16.Rd5 Be6 17.Rg5 Kf6 18.Rb5 c6 (18...b6!?+=) 19.Rb7+– Ba2 20.c4 Re3 21.Nd2 Na6 22.0-0 Kg5 23.Rbf7 Bb1 (23...Re2 24.R1f5 Kg6 25.R5f6 Kh5 26.g4 Kg4 27.Rg7 Kh5 28.Nf3 Rg8 29.Rg8 Re1 30.Kg2 Re5 31.Rg3 Re2 32.Kf1 Re1 33.Ke1 Bc4 34.Rg5) 24.Nf3 (24.Rb1?! Re2 25.Nf3 Kg6+–; 24.Nb1?! Re2 25.R7f5 Kg6 26.Rf6 Kg7 27.Rc6 Nb4 28.Rc7 Kg6+–) 24...Rf3 25.Bf3 Bd3 (25...Bg6 26.Rb7 Nc5+–) 26.h4! (26.h4 Kh6 27.Rf6 Kg7 28.Rc6 Bf1 29.Kf1+– (29.Ra6?! Bc4 30.Ra4 Rc8+–)) 1–0. pvanr (2190) – gabrel (2040), gameknot.com, 2014.

7.e3 Ne4 8.Nf3 Bg4 9.Bd3 Ng5 10.Be2= Nf3 11.Bf3 Bf3 12.Qf3 Nc6 13.0-0 Bd2 (better is 13...Qd7!?=) 14.Nd2+/– Qd2 15.Bg7 Kg7 16.Qf6 Kg8 17.Rf3 Ne7 18.Qe7 Qc3 (18...Qc2?? 19.Rg3 Qg6 20.Rg6 hg6 21.Qc7+–) 19.Rb1 b6 20.Rb3 Qe1? (better is 20...Qc6!?+/–) 21.Rf1+– Qd2?? (better is 21...Qa5 22.Rb4 h5+–) 22.Qg5 (22.Qc7?! Rad8+/–) 22...Kh8 23.Qf6 Kg8 24.e4 1–0. pvanr (1780) – brada1972 (1780), gameknot.com, 2012.

7.e3 Ne4 8.g3 Nd7 9.Nd7 Qd7 10.Bg2 Re8 11.c3 Bc5 12.d4 Qb5 13.Bc1 Bd6-/+ 14.a4 Qf5 15.Qe2 c5 16.Bf3 Qg6 (16...Qg6 17.Ba3 Bh3–+) 0–1. Michalek,Martin – Vornanen,Alpo, TT–10.09 ETC, 2004.

7.e3 Be6 8.a3 Ba5 9.Nc4 Bb6 10.Nb6 ab6 11.Be2 Nc6 12.0-0 Ne4 13.d3 Nc5 14.Nc3 Qg5 15.Rf4 Bh3 16.Qf1+= Ne6 17.Ne4 Qh6 18.gh3+/– Nf4 19.ef4 f5 20.Ng3 Rae8 21.Nh5 Rf7 22.Re1 Rfe7 23.Qg2 Qh5? 24.Bh5+– Re1 25.Kf2 g6 26.Bf3 Kf8 27.Qg5 (27.Qg5 R8e7 28.Qf6 Ke8 29.Bc6 bc6 30.Qc6 Kf8 31.Be5+–) 1–0. Bonetti,Shane – guest328, ICC, 2002.

7.e3 Be6 8.Be2 Nbd7 9.0-0 (9.Nd3 Bd6+=) 9...Bd6 (9...Ne5!? 10.Be5 Ne4+=) 10.Nd7= Nd7 11.Qe1 (11.Nc3 Ne5=) 11...Qe7 12.Nc3 c6 13.Ne4 Bc7 14.Ng3 Qd6 15.a4 Rfe8 16.Bd3 (16.c4 Nc5=) 16...Ne5 17.Ne4 (better is 17.Be2=) 17...Nf3?? (better is 17...Qe7+=) 18.Rf3+– Qh2 19.Kf1 (19.Kf2 Rad8+–) 19...Bg4+/– 20.Qf2 Bf3 (20...Be5!? 21.Be5 Qe5+/–) 21.Qf3+– Be5 22.Be5 (22.c3 Re7+–) 22...Re5 23.Ke2 Qh5 (23...Qh6 24.Ng3 Qe6 25.Rh1+/–) 24.Qh5 (24.g4!? Qg6 25.Rb1 b6+–) 24...Rh5 25.Rf1 (25.Nd6 b6 26.Bc4 Kf8 27.Nf7 Rf5+–) 25...Rd8 (25...b5!?+/–) 26.Bc4+– Rd7? (26...Re5 27.Bf7 Kh8+–) 27.Nd6!! Rh4 (27...Rd6 28.Bf7) 28.Bf7 Rf7 29.Rf7 Ra4 30.Rb7 h6 (30...h5 31.Nf5+–) 31.Rc7 (31.Nf5 Kf8+–) 31...Ra6 (31...Kf8 32.e4 Ra6 33.Nf5+–) 32.Nc8 (32.Nf5 Ra2+–) 32...Ra2 (32...c5 33.Ra7 Ra7 34.Na7+–) 33.Ra7 Rc2 34.Ne7 Kh7 (34...Kf7 35.Nc6 Kf6 36.Ra6+–) 35.Nf5 Rc5 (35...Kg6 36.e4+–) 36.Ng7 (36.Ng7 Kg6 37.Ne6+–) 1–0. Bouvier,Clement (1775) – San Marco,Jean (2005), 12e Tournoi de Nol, 2009.

7.e3 Re8 8.Bc4 Be6 9.Be6 Re6 10.0-0 Nbd7 (10...c6 11.Nf3=) 11.Nd3 (better 11.Nd7!? Nd7 12.Bg7 Bd2 13.Nd2 Kg7 14.Nf3+=) 11...Bd6= 12.Nc3 c6 13.Ne2 Bh2 (better 13...Re7!?=) 14.Kh2+/- Ng4 15.Kg1 Qh4 16.Rf4 Rh6 17.Kf1 (better 17.Ng3! Qh2 18.Kf1 Ne3 19.de3 Qg3 20.Nf2 Qe3 21.Bc1+-) 17...Nh2= 18.Kg1 Ng4 19.Ng3! Qh2 (19...Qg3 20.Qf3 Double attack (20.Qg4 Discovered attack; 20.Qf3 Decoy)) 20.Kf1 f5? (better 20...Ne3 21.de3 Qg3+-) 21.Nf5+- Qh1 22.Ke2 Qg2 23.Nf2 (23.Rf2!? Nf2 24.Nh6 gh6 25.Nf2 Rf8+-) 23...Nf2?? (23...Rh2 24.Qg1 Nf2 25.Qg2 Rg2 26.Ne7 Kh8 27.Rf2 Rf2 28.Kf2 Nf6+-) 24.Nh6 (24.Nh6 gh6 25.Qg1+-; 24.Rf2?! Qg4 25.Kd3 Nc5 26.Kc3 Ne4 27.Kb3 Nf2 28.Nh6 gh6 29.Qg4 Ng4=) 1-0. BeepBeepImAJeep (2860) - TricksOnlyNL (2515), lichess.org, 2017.

7.e3 Nbd7

8.a3 Ne5 9.ab4 Nfg4 10.Be2 Qh4 11.g3-/+.

8.a3 Be7 9.Nf3=+ Nd5 10.Be2 Bf6 11.Ra2 Re8 (11...Bb2!? 12.Rb2 Qf6=) 12.c4= Bb2 13.Rb2 N5f6 14.Nc3 b6 15.0-0 Bb7 16.a4 Nc5 17.a5 Nfe4 (17...Nd3 18.Rb1=) 18.Nb5 (18.Ne4 Ne4 19.d4 Nc3=) 18...ba5 (18...Qe7 19.Qa1=) 19.Qa1 a4 20.Nbd4 Qd6 21.Bd1 Attacking the isolated pawn on a4 21...Bc8 (21...Bc6 22.Nc6 Qc6 23.d4=+) 22.Ba4= Na4 23.Qa4 Bd7 24.Nb5 Qe7 25.Qa5 Rab8 26.Rfb1 (worse 26.Qc7 a6 27.Nc3 Rb2 28.Ne4 Bg4 (28...Qe4?! 29.Qd7 Qe7 30.Qa4=+) 29.Qe7 Re7-/+) 26...Bb5 27.Rb5 Rb5 28.cb5 Rd8 29.d4 Nd6 30.Re1 f6 31.Qa7 Nb5 32.Qa2 Kf8 (better 32...Qf7!? 33.Qa4 c6+=) 33.Qb1+– Nd6 34.Qh7 g5 35.Qh8 Kf7 36.Qh6 Kg8 (36...Qe4 37.Nd2 Qg6 38.Qg6 Kg6 39.Rc1+–) 37.e4! Nb5 (37...Ne4 38.Qg6 Double attack (38.Qg6 Decoy)) 38.d5 Qg7 39.Qh5 Qh7 40.Qg4 Qd7 41.Qg3 Qd6 (better 41...Qg7!?+–) 42.e5+– Qb6 43.Kh1 Rd5 44.h4 Rd3 (44...Qc6 45.ef6 Qf6 46.Ng5 Rg5 47.hg5 Qh8 48.Qh3+–) 45.Qg4 Rf3 (45...Kg7+–) 46.gf3 Nd4 47.ef6 Qf6 48.Re8 Kf7 (48...Kg7 49.Kg2 Nf5 50.Qg5 Qg5 51.hg5 Kf7+–) 49.Qd7 (49.Qd7 Kg6 50.Rg8 Kh6 51.hg5 Qg5 52.Qh3 Qh5 53.Rh8 Kg6 54.Qh5 Kf6 55.Rh6 Ke7 56.Qe5 Kd8 57.Rh7 Ne6 58.Qe6 c5 59.Qd7; 49.hg5?! Qf3 50.Qf3 Nf3+=) 1–0. pvanr (2175) – cimabue (2065), gameknot.com, 2014.

8.Bb5 Ne5-/+ 9.Be5 c6 10.Bc4 (10.Be2 Re8 11.Bf4 Nd5-/+) 10...b5 (10...Ng4!? 11.Bc3 Bd6–+) 11.Bb3 a5 12.0-0 a4 (12...Ng4 13.a3 Bd2 (13...Ne5?! 14.ab4 a4 15.Ba2=+) 14.Nd2 Ne5-/+) 13.Bf6? (better is 13.a3 Bg4 14.Qc1=+) 13...Qf6?? (better is 13...gf6 14.Qf3 ab3 15.cb3 Bd2 16.Nd2 Qd2 17.Qg3 Kh8–+) 14.Rf6+– ab3 15.cb3 Rd8 (15...gf6 16.Qc2 Ra6+–) 16.Rc6 Bb7 (16...Bd7 17.Rc1+–) 17.Rb6 (better is 17.Rc7 Bd5+–) 17...Rab8 (17...Bc5 18.Rb7 Be3 19.Kf1+–) 18.Rb5 Be7 19.a4 Bf6 (19...Rd7 20.b4+–) 20.d4 Re8 (20...Rd7 21.a5 Rc8 22.a6+–) 21.Qd2 (21.a5 Ba6 22.Rb8 Rb8+–) 21...Re4 (21...Re7 22.a5 Rd8 23.b4+–) 22.Nc3 Rg4 23.g3 (better is 23.Nd5!? Rg5 24.Qb4 Rg2 25.Kf1 Rc2 26.Rb7 Rbc8+–) 23...Bh4 (23...Rg5 24.Rg5 Bg5 25.Qd3+–) 24.Nd5 1–0. kamera – h5, GameColony.com, 2002.

8.Nd3 Ba5 9.Be2 Ne4+=.

8.Nd7 Bd7 9.Bd3 Ng4 10.0-0 Qh4 11.h3 Bd6 12.Bf5 Bf5 13.Rf5 g6 14.Rf1 f5 15.Qe1 (15.Qf3 c6 16.e4 Rae8=) 15...Bg3 16.Qe2 Rf7 17.Nc3 Bh2 18.Kh1 Be5 19.Qe1 Bg3 20.Qe2 Re8 21.Nd1 c6 22.a3 b5 23.a4 Nh2 24.Rg1 f4 25.Qd3 (25.ab5 f3 26.Qd3 fg2 27.Kg2 Bb8–+) 25...f3 26.Qc3 (worse is 26.ab5 fg2 27.Kg2 Bb8–+) 26...fg2 (26...Rfe7 27.ab5 f2 28.Nf2 Bf2 29.Kh2+–) 27.Kg2+= Re5 28.Qc6 Nf3 29.Qc8 Rf8 30.Qg4 Qd8 31.Kh1? Qd2–+ 32.Nf2 Bf2 33.Be5 Ne5 34.Qe6 Nf7 35.Rg2 Qe3 36.Qe3 Be3 37.ab5 Nd6 38.Rb1 Nb5! 39.Rg3 Bf2 40.Rd3 Nd4 41.Rb7 Nf5 42.c4 a5 43.Rb5 Be1 44.c5 Kf7 45.Rb6 Rc8 46.Rd7 Ne7 47.Rbb7 Bh4 48.Rb5 Ra8 49.Kg2 Ke6 50.Rd6 Ke5 51.Rb2 Nf5 52.Re2 Kf4 53.Rde6 Kg5 54.R6e5 Kh6 55.R2e4 Bf6 56.Re8 Ra7 57.Ra4 Bc3 58.Rc4 Bd4 59.Kf3 a4 60.Re2 a3 61.Ra2 Bb2 62.Ke4 Re7 63.Kf3 Re3 64.Kg2 Rb3 65.Ra4 Nd4 66.Ra6 Rc3 67.Ra4 Nc2 68.Kf1 Rh3 0–1. Ottenweller,Wolfgang (1990) – Hlavacek,Ladislav (1830), IECG, 2006.

8.Nd7 Nd7? 9.Qg4 Bd2 10.Nd2+– (10.Kd2?! Nf6 11.Qd4 c5 12.Qd8 Rd8 13.Ke2 Bg4 14.Kf2 Ne4 15.Kg1 Rd1+/–).

8.Nd3 Bd6

9.Nc3 c6 10.Be2 Qc7 11.g3 Ne5 12.Nf2 Be6 13.0-0 Be7 14.Nce4 -/+.

9.Be2 c6 10.0-0 Qc7 11.g3 Re8 12.Nc3 Nb6 13.Nf4 Be5 14.a4-/+.

9.Be2 c6 10.0-0 Qc7 11.g3 Re8 12.Nc3 Ne5 13.Rf6 gf6 14.Ne4 Be7 15.Qf1 Nd3 16.Bd3 Increasing the pressure on the isolated pawn on f6 16...f5 17.Nf6 Bf6 18.Bf6 Qd6 19.Bc3 Bd7 20.Bf5 Bf5 21.Qf5 Qe6 22.Qg5 Qg6 23.Qf4 Rad8 24.Qc7 Qc2 25.Qb7 Rd2 26.Bd2 Qd2 27.Qa7 Re3 28.Rf1 f6 29.Qb8 Kg7 30.Qc7 Kg6 31.Qf4 Qc3 32.Qf5 Kg7 33.Rf4 Re1 34.Kg2 Re2 35.Kh3 Qb2 (35...Ra2 36.Rg4 Kf8 37.Qh7+–) 36.Rg4 Kf8 37.Qc5 Kf7 38.Qc4 ½–½. pvanr (1780) – damirs (1780), gameknot.com, 2012.

9.Be2 Ne4 10.0-0 Qh4 11.Nf4 g5 12.Nh3 Ndc5 13.Qe1 Qh6 14.Bf3-/+.

9.Be2 Ne4 10.Bf3 Ndc5 11.Nc5 Nc5 12.Nc3 (12.0-0 Na4 13.Qc1 Nb2 14.Qb2+=) 12...c6 (12...Qh4 13.g3 Qg5 14.0-0+=) 13.d4 (13.0-0 Qh4 14.g3+=) 13...Ne6 14.Qd3 (14.0-0+=) 14...Ng5 15.0-0-0 Qa5 16.h4 Nf3 17.gf3 Bf5 18.e4 Be6 19.d5 Rad8 20.Qd2 Ba3 21.h5 f6 22.h6 g6 23.Ba3 Qa3 24.Kb1 cd5 25.ed5 Bf5 26.Rhe1 Rd6 27.Ka1 Rb6 28.Rb1 Rb1 29.Rb1 b6 30.d6 Rd8+= 31.Qd5 Kf8 32.Nb5 Qe3 33.Qb7 Rd7 34.Qc8= ½–½. Holaus,Verena (2100) – Diele,Ralf (2175), remoteschach.de, 2006.

9.Be2 Ne4 10.Bf3 Nec5 11.Nc5 Nc5 12.0-0 Na4 13.Qc1 Nb2 14.Qb2+=.

9.Be2 Ne4 10.Bf3 Ndf6 11.Nc3 Bf5 (11...Ng5!?+=) 12.0-0= Re8 13.Nb5 c6 14.Nd6 Nd6 15.Nf4 Be4 16.d3 Bf3 17.Qf3 (17.Rf3?! Nf5 18.Bf6 Qf6=) 17...Qe7 18.Rae1 Rad8 (18...Nb5!?+/–) 19.Qg3+– Kh8 20.Nh3 Rg8 21.Qh4 Nd5?? (21...Nde8 22.e4 Qc5 23.Kh1 Qh5 24.Qh5 Nh5+–) 22.Ng5 (22.Ng5 Qg5 23.Qg5+–) 1–0. pcmvr (2765) – totoarias (2610), net–chess.com, 2014.

9.Qf3 A) 9...Re8 10.Be2 (10.Na3 Ne4 11.Nc4 Qh4 12.Nf2 Ng5 13.Qg4 Qg4 14.Ng4+=) 10...Ne5 11.Be5 Be5 12.Ne5 Re5 13.Bd3 Be6 14.0-0=; B) 9...Qe7 10.Be2 (10.a4 Rd8 11.Be2 Ne5 12.Be5 Be5 13.Ne5 Qe5 14.c3-/+) 10...Rd8 11.Qh3 Nc5 12.Qh4 Ng4 13.Qe7 Be7 14.Nc5=.

4.Nf3 Bg4

5.e3.

5.e4 Nc6 (--> 4.Nf3 Nc6 5.e4 Bg4).

5.fe5 d5 6.e6 Nf6 7.ef7 Kf7 8.Ne5 Kg8 unclear.

5.fe5 de5 6.Ne5 Bh5 7.Nd3 Bf8 unclear.

5.g3 Bf3 6.ef3 Nc6 7.Bg2 Nf6 8.0-0 Bc5 9.Kh1 0-0 10.fe5 de5 11.Re1 Re8 12.Re2 Qd6 13.Nc3 Nd4 14.Re1 Nh5?? 15.f4 Ng3! 16.hg3 Qh6 17.Kg1 Ne2 18.Kf1 Ng3# 0–1. Meybohm,Dirk – Plock,Joerg, corr DDR, 1989.

5.e4? Nf6

6.c3 Ba5 7.Qa4 c6 8.fe5 Nh5 9.Na3 Bf3 10.gf3 Qh4 11.Kd1=+ Qf2 12.Kc2 Bc7 13.ed6= Bd6 14.e5 Be7? 15.Qg4+– Qh4?? 16.Qc8 Bd8 17.Qb7 0-0 18.Bc4 Qe7 19.Qa8 Bb6 20.Rae1 Nf4 21.Re4 Ne6 22.Be6 Qe6 23.Qb7 Nd7 24.d4 Bc5 25.dc5 Rb8 26.Qa7 Qa2 27.Nb5 (27.Nb5 Qe6 28.Nd4+–; 27.Rb4 Rb4 28.cb4 Qe6+–) 1–0. Kucharkowski,Jens – Zylla,Johannes, corr KMG_27, 1993.

6.c3 Ba5 7.Qa4 Nc6 8.Bb5.

6.c3 Bc5 7.d4 ed4 8.cd4 Bb4 9.Bc3 Bc3 10.Nc3 0-0 11.Be2 Nc6 12.0-0 Qe7 13.h3 Bf5 14.e5 de5-/+ 15.fe5 Ne4 16.Qe1 Rad8 17.Rc1 Ng5 18.Qg3 Nf3 19.Bf3 Nd4 20.Bb7 c6 21.Ba6 Qa3 (21...Qa3 22.Bd3 Qc5–+) 0–1. Kucharkowski,Jens – Nebe,Lutz, corr SOK–93–93, 1993.

6.fe5?! de5 7.Be5 Qe7 –+. Kucharkowski.

6.fe5 Bf3 7.Qf3= de5 8.Be5 Nc6 9.Bf6 gf6 10.Bb5 Qd6 11.c3 Ba5 12.Bc6 Qc6 13.0-0 0-0-0? 14.Qf5+– (14.Qf5 Kb8 15.Qa5+–) 1–0. Machete (2325) – Scotty2Cues (1855), ICC, 2003.

5.fe5 Bf3

6.ed6? Qh4 7.g3 Qe4–+.

6.ef3 de5 7.Be5 Qe7? 8.Qe2 idea 9.Bc7. Kucharkowski.

6.ef3 de5 7.Be5 Nf6=+ 8.c3 Bd6-/+ 9.Bd6 Qd6 10.Qe2 (10.Qe2 Kf8 11.Qd3=+). Stanitz,Antal – Sonara,Rouget, KMG–33, 1995.

6.ef3 de5 7.f4 Nc6 8.Bb5 Nge7 9.fe5 0-0 10.c3 Bc5 11.d4+= Bb6 12.Nd2 Qd5 13.Qe2 a6 14.Bc4 Qd8 15.0-0 Na5 16.Bd3 h6 17.Qe4+– g6 18.Rac1 Qd5 19.Qh4 Rfe8? 20.Ne4 Qa2 21.Qh6 Nd5 22.Nf6 Nf6 23.ef6 (23.ef6 Bd4 24.cd4 Qb2 25.Qg7#) 1–0. marcosramos (2410) – abhailey (2150), net–chess.com, 2007.

6.ef3 de5 7.f4 Nd7 8.Bc4 (8.Qe2 f6=) 8...Bc5 (8...Qe7!?+=) 9.Qe2 (9.Be5 Ne5 10.Qe2 Bf2 11.Kd1 Bd4+=) 9...Qe7 10.fe5 Nh6 (10...Nb6 11.e6 fe6 12.Be6=) 11.d4+= Bb6 12.Nd2 0-0-0 13.0-0-0 Nf5 14.Qe4 g6 15.g4 Ng7 16.Rhf1 Exerts pressure on the backward pawn 16...Ne6 17.d5 Nec5 18.Qf4 Rhf8 19.d6 Qh4 20.Bf7 cd6 21.ed6 Ne6 (21...g5 22.Qf5 Qh6 23.Nc4+–) 22.Qc4 (22.Be6 Rf4 23.Rf4 Qh2=) 22...Nec5 23.Nf3 Qh6 (23...Qh3 24.Kb1 Kb8 25.Bg7 Rf7 26.Qf7 Qg4 27.Bd4+–) 24.Kb1 Rf7 25.Qf7 Qe3 (25...Rf8 26.Qc4 Rf4+–) 26.Rde1 Qh6 27.Bg7 Qh3 28.Rg1 Na4 (28...Ne4 29.Re4 Bg1 30.Ng1 Qa3 31.Rc4 Kb8+–) 29.Rg3 (29.Rg3 Qg3 30.hg3+–) 1–0. pierred (2800) – jlbaf (2455), net–chess.com, 2016.

6.ef3 Qe7 7.a3 Bc5 8.d4 Bb6 9.f4 Nf6 10.Qf3 c6=.

6.ef3 Qe7 7.Qe2 d5 8.c3 Bc5 9.d4+= .

6.ef3 f6 7.e6 Qe7 8.Bc4 c6 9.a3 Bc5 10.Bb3 d5 11.d4 (11.Qe2 Qc7=) 11...Bd6 (11...Qe6 12.Kf2 Be7 13.Re1=) 12.Qe2 Nh6 13.c4 dc4 14.Bc4 b5 (14...f5 15.0-0+=) 15.Bb3 (15.Bb5!? Qc7 16.Bd3 Bh2 17.Nd2+/–) 15...a5 16.Nd2 a4 17.Bc2 Na6 18.Bh7 Rh7? (better is 18...f5!? 19.Bg6 Kd8+=) 19.Qe4+– Nc7 20.Qh7 0-0-0 21.0-0 Ne6 22.Rae1 Qf7 (22...Bf4 23.Qc2 Qd6 24.Ne4+–) 23.Qe4 Nf4?? (better is 23...Kd7+–) 24.Qc6 Bc7 (24...Qc7 25.Qb5 Qb7 26.Qc4 Kd7 27.Qa4 Qc6 28.Qa7 Qc7 29.Qc7 Kc7 30.Nc4+–) 25.Qa6 Kb8 26.Qb5 Kc8 27.Qa6 Kb8 (27...Kd7 28.Qa4 Kc8+–) 28.Rb1 Ne2 (28...Rd6 29.Bc3 Qb3 30.Qa4+–) 29.Kf2 (29.Kf2 Bb6 30.Qb6 Kc8 31.Qa6 Kd7 32.Qa4 Ke7 33.Qb4 Ke8 34.Rfe1+–) 1–0. Janek – Yves, internet, 2016.

5.fe5 f6

6.c3 Bc5 7.d4 Bb6 8.ed6 cd6 9.e4 d5 unclear.

6.c3 Bc5 7.d4 Bb6 8.ed6 Qd6 9.e4 Nd7 unclear.

6.ed6 Bd6 7.e4 Nd7 8.Bc4 Ne5 9.Be5 Be5 10.c3 Bf3 11.Qf3+= c5 12.0-0 a6 13.Qh5+= g6 14.Qh3 Kf8 15.Bd5 Qc7 16.Na3 Kg7 17.Rab1+/– Rb8 18.Nc4 b5 19.Ne5 Qe5 20.Qd7 Ne7 21.Qa7 1–0. Bendig,Frank – Welti,Manfred, corr KMG–37, 1998.

6.ed6 Bd6 7.e4 Nd7 8.d4 Qe7.

6.h3 Bf3 7.ef3 fe5-/+.

5.g3? Nc6?

6.fe5 de5 7.Bg2.

6.Bg2.

4.g3 Nc6

5.Nf3 Qe7 6.e3 Nf6 7.a3 Ba5 8.fe5 Ne5 9.Ne5 de5 10.Bg2 Bg4 11.Qc1 c6 12.0-0 0-0 13.h3 Bh5 14.d3 Nd5 15.Rf5 Bg6 16.Re5 Qd6 17.Nd2 f6 18.Nc4 Qc7 19.Rd5 cd5 20.Bd5 Bf7 21.Bf7 Rf7 22.Kg2 Re8 23.Bd4 b5 24.Na5 Qa5 25.c4 bc4 26.Qc4 Qd2 27.Kg1 g6 28.Rf1= Kg7 29.Bf6 Rf6 30.Qc7 Kh6 31.Rf6 Qe3 32.Kg2 Qe2 33.Rf2+– Qd3 34.Qf4 g5 35.Qf7 Qg6?? 36.Rf6+– (36.Rf6 Ra8 37.Rg6 hg6 38.Qb7+–; 36.Qa7?! Qc6 37.Kh2 Re1+/–) 1–0. Fritz 8 – NN, Blitz:1', 2005.

5.Nf3 Nf6 6.Bg2 0-0 (6...e4 7.Nd4-/+) 7.0-0 (7.fe5!? Ng4 8.0-0 de5 9.h3 Bc5 10.e3-/+) 7...Bc5 8.Kh1 e4 9.Ng5 d5 10.Bf6 (10.c4 dc4 11.Qa4 Bd4-/+) 10...Qf6–+ 11.Nc3 Qd8 12.Nd5 f5 (better is 12...Qd5 13.Be4 Qd6 14.Bh7 Kh8–+) 13.c4-/+ h6 14.Ne4? (better is 14.Nh3!?-/+) 14...fe4–+ 15.Be4 Bh3 16.Rf3 Nd4 17.Rd3 Qd7 (17...c6!? 18.e3 Bf5 19.Nc3–+) 18.e3 (18.e3 Qe8 19.Nc3–+) 18...Qe6 19.Nc3 c6?? 20.ed4+– Bb6 21.Rb1 Qc4 22.Qb3 Qb3= 23.Rb3 Rad8 24.d5 c5 25.Rb5 c4 26.Rf3= Rd6 27.Na4 Bd7?? 28.Rb4+/– Ba4 29.Ra4+– Bd4 30.Rc4 Bb6 31.Rb3 Re8 32.d3 Rd7 33.a4 Rde7 34.Rb5 Rd8 35.a5 Bf2 36.Kg2 a6 37.Rb1 Ba7 38.Kf3 Rd6 39.h4 (39.h4 Kf7 40.h5+–) 1–0. Meybohm,Dirk – Beinhoff, corr, 1989. (Even known as Meybohm,Dirk – Scholz,Michael, corr DDR, 1989).

5.Bg2 Nge7

6.e3 0-0 7.Ne2 Bg4 8.c3 Ba5 9.e4 (better is 9.0-0!?-/+) 9...ef4–+ 10.gf4 Ng6 11.Kf2?? (better is 11.0-0–+) 11...Nf4! 12.Bf3 (12.Nf4 Qh4 Double attack (12...Bd1 Pinning; 12...Bd1 Deflection)) 12...Nd3 13.Kg3 Bf3 14.Kf3 Nce5 (14...Qf6 15.Ke3 Nce5 16.Qf1 Qg5 17.Qf4 Bb6 18.Nd4 Qf4 19.Ke2 Qe4 20.Kd1 Nf2 21.Kc1 Qh1 22.Kc2 Qd1) 15.Kg2 Qg5 (15...Qh4!? 16.Ng3 Nf4 17.Kf2 Ned3 18.Kf3–+) 16.Ng3 Nb2 (16...Nb2 17.Qh5 Qh5 18.Nh5 Nbd3–+) 0–1. Meybohm,Dirk – Smet, KMG_16 corr, 1989.

6.fe5 Ne5 7.Nf3 Nf3 8.Bf3 0-0 9.0-0 c6 10.e4 Qb6 11.d4 Bh3 12.Rf2 f5 13.ef5 Nf5 0–1. Macchiagodena,Maurizio – Buss,Michael, corr ICCF TT/4/90 Final, 1990.

6.Nf3 f6 7.0-0 ef4 8.gf4 Rg8 9.c3 Ba5 10.Kh1 Be6 11.d4 Qd7 12.e4 Bh3 13.Qe2 Bg2 14.Qg2 d5 15.Nbd2 0-0-0 16.Nb3? de4–+ 17.Nfd2 Qf5 18.Ne4 Nd5 19.Nec5? Ne3 20.Qe2 Nf1 21.Qb5 Bb6 22.Qf1 Qc2 23.Nb7 Qb2 24.Qa6 Kb8 25.c4 Na5 26.N7a5 Ba5 27.Na5?? Qa1 (27...Qa1 28.Kg2 Qa2 29.Kg3 Qa3 30.Kg2 Qb2 31.Kg3 Qc3 32.Kg2 Qd2 33.Kh1 Qe1 34.Kg2 Qe4 35.Kg3 Rd6 36.Qb5 Ka8–+) 0–1. Meybohm,Dirk – Ratajczyk, Magdeburg, 1988.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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