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TESTH900 Release 2016-07-21
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 e5 2.Bb2 f6 3.e4 c6

(...)

4.a3 b5 5.Nc3 (5.d4 ed4 6.Bd4 (6.Qd4 a5 7.Be2 Na6 8.c3 Nc7 9.Nf3 d5) 6...a5+= 7.c3 d5 8.Bd3 de4 9.Be4 Nh6; 5.a4 A) 5...ba4 6.Ra4 d5 7.ed5 cd5 8.d4 Nd7 9.Bb5 Rb8; B) 5...Bb7 6.c3 (6.Qh5 g6 7.Qe2 Bb4 8.ab5 Qb6 9.Ba3 a5; 6.ab5 cb5 7.Nc3 Bb4 8.Qg4 Nh6 9.Qg7 Nf7) 6...a5 (6...d5 7.ed5 Qd5 8.ab5 cb5 9.Qh5 Kd8) 7.ba5 Ra5 8.d4 ba4 9.Ra4 Ra4; C) 5...Bb4 C1) 6.Qg4 g6 (6...Bf8 7.ab5 a6 8.Qf3 Qb6 9.c4 cb5) 7.ab5 d5 8.Qh4 Be7 9.ed5 cd5; C2) 6.ab5 d5 (6...a6 7.c3 Bf8 8.d4 cb5 9.Bb5 Bb7) 7.Ra4 Bd6 8.ed5 cd5 9.d4 Nd7) 5...d6 (5...a5 6.ba5 Bc5 7.Nge2= (7.Nf3 Ra5 8.Be2 Qe7 9.Nh4 Nh6) 7...Qa5 8.Nc1 Qa7 9.Qh5 g6) 6.f4 (6.a4 ba4 7.Ra4 Nd7+= (7...d5 8.ed5 cd5 9.Bb5 Bd7) 8.d4 Nb6 9.Ra1 d5 ; 6.d4 ed4 7.Qd4 a5 8.Nf3 Be6 9.Be2 Nd7) 6...ef4 (6...a5 7.Nge2= Bg4 8.h3 Bh5 9.Qc1 Bf7) 7.Nf3 (7.Nb5 a5 (7...cb5 8.Qh5 g6 9.Qd5 Nc6) 8.Nd4+= ab4 9.ab4 Ra1; 7.a4 ba4 8.Qh5 g6 9.Qf3 a3) 7...g5 (better is 7...a5!?+= 8.Be2 ab4 9.ab4 Ra1) 8.Ng5!+/– fg5 9.Qh5 Kd7 10.Be2?? (10.Nb5 a6 11.Nd6 Bd6 12.Bh8 Qe7+/–) 10...h6?? (10...Nh6 11.Nd5 cd5 12.Bh8 de4 13.Bb5 Kc7+=) 11.0–0?? (better is 11.Nb5 Rh7 12.Bg4 Ke7 13.Bc8 Qc8 14.Nd6 Kd6 15.Qg6 Qe6 16.e5 Kd7 17.Qh7 Ne7 18.0–0+/–) 11...Nf6 (11...Bg7 12.Nd5 Qf8 (worse is 12...cd5 13.Bg7 Rh7 14.Qg6 Rg7 15.Qg7 Kc6 16.a4+/–) 13.Nf4 gf4 14.Qg4 Ke7 15.Bg7 Bg4 16.Bf8 Kf8 17.Rf4 Nf6 18.Bg4 Ke7–/+) 12.Qf3? (12.Nd5 cd5 (12...Nh5?! 13.Bg4 Ke8 14.Bh5 Kd7 15.Bg4 Ke8 16.Bh5 Kd7 17.Bg4 Ke8 18.Bh5=) 13.Qf7 Qe7 14.Bb5 Kc7 15.Qf6 Qf6 16.Bf6 Rg8 17.ed5 a6–/+) 12...Kc7 (12...Qb6 13.Kh1 Bg7 14.Rae1–+) 13.d4 (13.Nb5!? Kb7 14.Qd3–/+) 13...Bg4–+ 14.Qd3 Nbd7 (14...Bg7 15.a4 ba4 16.Ra4 Be2 17.Ne2–+) 15.d5 (better is 15.a4 ba4 16.Bg4 Ng4 17.b5–/+) 15...cd5?? (better is 15...Ne5 16.Qd1 Be2 17.Ne2 Nc4–+) 16.Nd5 (better is 16.Bg4 de4 17.Ne4 Ng4 18.Bh8+–) 16...Kb8?? (better is 16...Nd5 17.Bg4 Ne3 18.Bd7 Qd7 19.Bh8 Nf1 20.Rf1 Qc6+=) 17.Qb5+– Nb6 18.Bf6 (18.Nf6?! a6 19.Qd3 Be2 20.Qe2 Bg7+–) 18...Bd7 (18...Qd7 19.Bh8 Qb5 20.Bb5+– (20.Bg4?! Nd5 21.ed5 Qb6 22.Rf2 Qc7+/–)) 19.Qd3 (better is 19.Qa5 Qc8 20.Nb6 ab6 21.Qb6 Qb7 22.Qb7 Kb7 23.Bh8 Bc6+–) 19...Be7 (19...Qc8 20.Nb6 ab6 21.Bh8 Bc6+–) 20.Be7 Qe8 (20...Qc8 21.Bd6 Kb7+–) 21.Bd6 Kb7 22.Nf6 Qe6 23.Nd7 Nd7 24.Qa6 1–0. kehrsam – gordiemac, ChessWorld.net, 2009.

4.a3 Qb6 5.d4 d6 6.Nf3 Nd7 (6...c5 7.c3+=) 7.Nbd2 Ne7? (better is 7...a6+= 8.Rb1 (8.Be2 Be7 9.0–0 Nh6 10.Nc4 Qc7 11.Ne3 0–0+/–; 8.Bd3 Be7 9.0–0 Nh6 10.Nc4 Qc7 11.Ne3 0–0+/–; 8.Ra2 Nh6 9.Bd3 Be7 10.0–0 0–0 11.Bc4 Nf7+/–) 8...Qc7 9.Be2 d5 10.c4 de4 11.Ne4 f5+/–; 7...Be7 8.Bd3 (8.Be2 Nh6 9.0–0 0–0 10.Bc4 Nf7 11.Be6 c5+=; 8.Rb1 Qc7 9.b5 c5 10.c3 Nh6 11.Qb3 Nb6+=) 8...Nh6 9.0–0 0–0 10.Qe2 Nf7 11.Rfd1 Qc7+=; 7...Nh6 8.Bc4 (8.Be2 Be7 9.0–0 0–0 10.Bc4 Nf7 11.Be6 c5+=; 8.Rb1 Be7 9.Bc4 a5 10.b5 cb5 11.Ba1 b4+=; 8.Bd3 Be7 9.0–0 0–0 10.Qe2 Nf7 11.Rfd1 Qc7+=) 8...c5 9.c3 ed4 10.cd4 cb4 11.0–0 Be7+/–; 7...c5 8.Nc4 (8.c3 ed4 9.cd4 cb4 10.Bc4 Ne7 11.ab4 d5+=) 8...Qc6 9.d5 Qa4 10.Bc1 Nb6 11.Rb1 Nc4+/–; 7...Qc7 8.Be2 (8.Bd3 Ne7 9.0–0 Ng6 10.c4 Nf4 11.Bc2 Be7+=; 8.Bc4 Ne7 9.0–0 Ng6 10.Bb3 Nf4 11.Bc1 a5+=) 8...d5 9.c4 de4 10.Ne4 f5 11.Neg5 e4+/–) 8.Nc4+– Qc7 9.de5 fe5 (9...Ng6 10.Nd6 Bd6 11.Qd6 Qd6 12.ed6 Kd8+–) 10.Nd6 Kd8 (10...Qd6 11.Qd6 Ng6 12.Qe6 Be7 13.Ng5+–) 11.Ng5 Qb6 (11...Nd5 12.Ne6 Ke7 13.Nc7 Nc7+–) 12.Ne6 1–0. market (2090) – il_conte, GameColony.com, 2002.

4.a3 d6 5.d4+= Nd7 (5...Ne7 6.Nf3 (6.c4 Nd7 7.Nf3 Qb6 8.Bc3 Ng6 9.Be2 Nf4+=; 6.Be2 ed4 7.Bd4 d5 8.Bh5 Ng6 9.e5 fe5=; 6.Bd3 a5 7.Nf3 ab4 8.ab4 Ra1 9.Ba1 Qb6+=; 6.Nd2 Be6 7.Ngf3 Ng6 8.Be2 Nf4 9.0–0 Nd7+=) 6...Bg4 7.Be2 a5 8.0–0 ab4 9.ab4 Ra1+=; 5...Nh6 6.Nd2 (6.Be2 Be7 7.Nf3 f5 8.de5 fe4 9.Nfd2 d5=; 6.Bd3 a5 7.b5 Qb6 8.Nf3 Bg4 9.Nbd2 cb5+=; 6.Nf3 f5 7.Nbd2 fe4 8.Ne4 d5 9.Ng3 e4=) 6...Be7 7.Ngf3 0–0 8.Bd3 ed4 9.Nd4 f5+=; 5...Be6 6.Nf3 (6.c4 Qb6 7.Nf3 a5 8.b5 Bg4 9.Nbd2 c5+=; 6.d5 Bf7 7.Nf3 a5 8.b5 cd5 9.ed5 Nd7+=; 6.Bd3 a5 7.b5 Qb6 8.Nf3 Bg4 9.Nbd2 cb5+=; 6.Nd2 Nd7 7.Ngf3 Nb6 8.c4 Nh6 9.Be2 Be7+=) 6...Nd7 7.Nbd2 Nb6 8.c4 a5 9.b5 c5+/–) 6.Nf3 b5 (6...Nb6 7.c4+= a5 8.Bd3 ab4 9.ab4 Ra1+=) 7.d5+/– Bb7 8.Nc3 Nb6 (8...a6!?+= 9.dc6 Bc6+=; 8...Qb8 9.dc6 Bc6+/–) 9.dc6+/– Bc6 10.Bb5 Qc7 (10...Bb5 11.Nb5 Qd7 12.Nc3+–) 11.Bc6 Qc6 12.b5 0–0–0?? (better is 12...Qc7+–) 13.bc6 Nc4 14.Qd3 Nb2 15.Qa6 1–0. market (2155) – NN, GameColony.com, 2002.

4.a3 g6 5.Nf3 (5.d4 ed4 6.Qd4 (6.Bd4 d5 7.ed5 Qd5 8.Nf3 a5 9.Qe2 Qe6+=; 6.Nf3 a5 7.Qd4 ab4 8.ab4 Ra1 9.Ba1 d5+=) 6...d6 (6...Qe7+= 7.Be2 a5 8.b5 d5 9.ed5 cb5+/–) 7.Nf3 Nd7 8.Be2 Ne5 9.0–0 Bg7+=) 5...Be7 (5...d5 6.ed5 cd5 7.Be2= Bf5 8.0–0 a5 9.b5 Qc7+=) 6.Bc4 (6.d4 d5 7.Nc3 de4 8.Ne4 f5+= 9.Nc5 b6+=; 6.Nc3 d6 7.Be2 f5 8.d4 fe4 9.Ne4 d5+=; 6.Be2 d5 7.ed5 cd5 8.0–0 a5 9.b5 d4+=) 6...d5 (6...a5 7.0–0= d5 8.ed5 cd5 9.Bb5 Bd7=) 7.ed5 cd5 8.Bb5 (8.Be2 Nh6= (8...Nc6 9.0–0 Be6=) 9.0–0 0–0=) 8...Bd7 (8...Nc6 9.0–0= a5=) 9.Nc3 (9.Be2 Bd6= (9...a5 10.b5 e4=)) 9...a6 (9...Bb5!? 10.Nb5 d4+=) 10.Be2 (10.Bd7 Qd7 11.0–0 a5=) 10...d4 (10...Bf5 11.0–0=) 11.Nd5 (11.Ne4 Bc6 12.Ng3 Qd7=) 11...Bc6 (11...Bf8 12.c4=) 12.Ne7 Qe7 (12...Ne7 13.0–0=) 13.0–0+= e4? (better is 13...Qd6+=) 14.Nd4+– Qe5 (14...Nh6 15.Re1+–) 15.c4 Qg5?? (15...Qf4+–) 16.Ne6 (16.Ne6 Qh4 17.Nc7 Kd8 18.Na8+–) 1–0. Wall,Bill – Bflo, internet, 2003.

4.b5 cb5 5.Bb5 Nc6 6.Bc6 (6.Nc3!?+= Bc5 (6...Nd4 7.Bc4 Qc7 8.Bg8 Rg8 9.Rc1 Kd8 10.Nf3 Nf3+=; 6...a6 7.Bc4 Nge7 8.Qh5 g6 9.Qf3 Bg7 10.Nge2 b5+=) 7.Nd5 (7.Qg4 g6 8.Nd5 Nce7 9.Ne7 Ne7 10.Qe2 a6=; 7.Rb1 a6 8.Bc4 Nge7 9.Nf3 b5 10.Bb3 b4=; 7.Nh3 Nd4 8.Na4 Nb5 9.Nc5 d5 10.Qe2 Qb6+=; 7.Na4 Be7 8.Bc4 d6 9.Nc3 f5 10.Bg8 Rg8=) 7...a6 8.Bc4 d6 9.Nf3 Nge7 10.Ne7 Qe7=; 6.Nf3 A) 6...Nge7 7.0–0 (7.c4 Qb6 8.Bc3 Ng6 9.0–0 a6 10.Ba4 Bc5=) 7...a6 8.Bc4 d5 9.ed5 Nd5 10.d4 Nb6=; B) 6...a6 7.Ba4 (7.Be2 Qb6 8.Bc1 Nge7 9.Nc3 Qa5 10.0–0 d5=; 7.Bc4 b5 8.Bb3 Bb7 9.Nc3 Bc5 10.0–0 Nge7=) 7...Nge7 8.c4 Qa5 9.Nc3 Qc5 10.d3 b6+=; C) 6...Bc5 7.0–0 Nge7 8.Nc3 a6 9.Bc4 b5 10.Bb3 Bb7=) 6...dc6 (6...bc6 7.d4+= (7.Ba3 d6 8.Nf3 Rb8 9.0–0 Qa5 10.Bc1 d5+=; 7.Nc3 d5 8.Nf3 d4 9.Na4 Be6 10.c3 d3+=; 7.Qe2 d5 8.d4 Qb6 9.c3 Ba6 10.Qd2 de4–/+) 7...Rb8 8.Bc3 d5 9.de5 de4 10.Qh5 g6=) 7.Nf3 (7.Ne2 Bd6+= (7...Qb6 8.Bc1 Bc5 9.0–0 Bg4 10.Nbc3 Qc7=) 8.Nbc3 Ne7 9.0–0 0–0 10.Rb1 b5+=) 7...Bg4 (7...Qb6 8.Bc1 Bc5 9.0–0 Bg4 10.h3 Be6+=) 8.0–0 (8.h3 Be6 9.0–0 Qb6 10.Qc1 Rd8+=) 8...Bf3 (8...Bc5!?+= 9.d3 Ne7 10.h3 Be6+=) 9.Qf3+= Nh6 (9...Bc5 10.d3 Ne7=) 10.d3 Bc5 11.Nd2 Bd4 12.c3 Bb6 13.Ba3 Qd3?? (better is 13...Qd7 14.Nc4 Bc7+/–) 1–0. pinecrest1981 – yummy, Caissa's Web, 2004.

4.c3 Nh6 (4...d5 5.ed5 Qd5 (5...cd5 6.Nf3 Nc6 7.b5 Na5 8.d4 e4 9.Nfd2=) A) 6.Qh5 Kd8 (6...g6 7.Qe2 Be6 8.a3 a5 9.d4+=) 7.Qe2+= Be6 8.a3 a5 9.b5+=; B) 6.Nf3 Bd6 7.Qc2 Bg4 8.Be2 Ne7 9.c4=) 5.d4 (5.Bc1 d5 (5...Nf7 6.d4 d5 7.de5 Ne5 8.f4 Nf7 9.ed5=) 6.d4 Nf7 7.de5 Ne5 8.f4 Nf7 9.ed5=; 5.Qh5 g6 6.Qe2 d5 7.d4 de4 8.de5 f5 9.Nd2=) 5...d6 (5...d5 6.de5 fe5 7.Nf3= Bg4 8.Be2 Qd6 9.ed5=; 5...ed4 6.Qd4 d5 7.Bd3 Qe7 8.Ne2 de4 9.Qe4=) 6.Qa4 (6.Nf3!?+= f5 7.Nbd2 fe4 8.Ne4 d5 9.Nc5=) 6...Bd7 (6...ed4 7.cd4 Qe7 8.Nc3 d5 9.b5+=) 7.Na3 (7.Nf3 d5 8.Qc2 (8.de5 de4= 9.Nfd2=) 8...ed4 9.Nd4=; 7.Bc1 ed4 8.Bh6 gh6 9.Qd1=) 7...b5 (7...ed4!? 8.Rd1 dc3 9.Bc3 Qe7–/+) 8.Qd1= Be7 (8...ed4 9.Qd4=) 9.de5 (9.Nf3 a5 10.d5 0–0=; 9.Bd3=) 9...de5. Gopinath Kuppan – polo, internet, 2010.

4.Bc4 Ne7 5.f4 d5 6.ed5 cd5 7.Bb5 Bd7 8.Qe2 Nbc6 9.fe5 fe5 10.Nf3 Qc7 11.Ng5?? 0–0–0?? 12.Nf7+/– Nb4 13.Bd7 Rd7 14.Na3 Rg8 15.c3?? Nbc6–/+ 16.Nb5 Qb6 17.Ba3 Nf5–+ 18.Bf8 Rf8 19.Ne5? Ne5 20.0–0–0 Nc4 21.Qd3 Qb5 22.Qc2 d4 23.d3 Nce3 24.Qb3 Qb3 25.ab3 Nd1 26.Rd1 dc3 27.Kc2 Re8 28.Kc3 Re3 29.g4 Red3! 30.Rd3 Rd3 31.Kd3 Ne7 0–1. orangutanb4 (2020) – nocnymarko (1725), kurnik, 2011.

4.d4 Nh6 5.de5 Bb4 6.c3 Be7 7.ef6 Bf6 8.Bc4 Qe7 9.Qh5 Nf7 10.Bf7 Qf7 11.Qe2 0–0 12.Nf3 d6 13.Nbd2 Re8 14.0–0 Bg4 15.h3 Bh5 16.Rae1 (16.Qd3 d5+=) 16...Na6 (16...Qa2 17.Ba1–+) 17.g4 Bg6 18.Qc4 d5 19.ed5 cd5 20.Qb5 Nc7 21.Qb7?? (better is 21.Re8 Re8 22.Qb7=) 21...Reb8–+ 22.Qc6 Rb6 23.Qc5 Rb2 24.g5 Bd8 25.Ne5 Qe6 (25...Qf5 26.Ndf3 Qh3 27.Re3–+) 26.Ng6 (26.Nd3 Qb6 (26...Rd2?! 27.Re6 Ne6 28.Qd5 Rd3 29.Qa8 Ng5 30.Rc1=; worse is 26...Bd3 27.Re6 Rd2 28.Rfe1+/–; 26...Qh3 27.Re3 Qg4 28.Rg3–+) 27.Qb6 Rb6–+ (27...ab6?! 28.Nb2 Ra2 29.f4–+)) 26...Qg6 27.Nb3 (27.Nf3 Bg5 (worse is 27...Ra2 28.Re5–+) 28.Ng5 Qg5 29.Kh1 Qf4–+) 27...Qg5 28.Kh1 Qf4 (better is 28...Ra2!? 29.Nd4–+) 29.Re8 Ne8 30.Qd5 Kh8 31.Qa8 (31.Qa8 Qh4 32.Qf3–+). typ48 – hello227, kurnik, 2013.

4.f4 d5 5.fe5 de4 6.Nc3 f5 7.Nh3 Bb4 8.Nf4 Nd7?? (better is 8...Qg5 9.g3 Ne7 10.Qh5 Qh5 11.Nh5 g6 12.Nf6 Kf7=) 9.Qh5+– Ke7 (9...g6 10.Ng6! Ngf6 11.ef6 Nf6+–) 10.Qg5 Kf8 (10...Ke8 11.Qg7 Nf8+–) 11.Qd8 (11.Qd8 Kf7 12.Bc4) 1–0. merill – jjake, internet, 2011.

4.Qg4+= d5 (4...Bb4?? 5.Qg7 Qe7 6.Qh8+–) 5.Qg3–/+ (5.Qh4 Ne7 (5...Bb4 6.ed5 Bd6 7.Nc3 Ne7 8.dc6 Nbc6 9.Ne4+=; 5...de4 6.Qe4 Ne7 7.Nf3 Bf5 8.Qc4 Nd5 9.b5+=; 5...Nh6+= 6.a3 de4 7.Nc3 f5 8.Qd8 Kd8 9.d3+=) 6.Be2 Qd6 7.a3 de4 8.Qe4 Bf5 9.Qc4+=; 5.Qh5 g6 6.Qh4 de4 7.Qe4 Bf5 8.Qc4 Ne7 9.Nf3+=) 5...de4 6.Bc4 (6.Nc3 Bf5 7.a3 Nd7 8.Rd1 Qb6 9.Bc4–/+) 6...Ne7 (6...Bb4?? 7.Qg7 Be6 8.Be6+– (8.Qh8?! Bc4 9.Qh7 Qb6+–); 6...Nh6 7.Qb3 b5 8.Be6 Be6 9.Qe6–/+) 7.Qb3 Qd7 8.Nc3 (8.Ne2 Nf5 9.a4–/+) 1–0. Lindberg,Rune – Cole,Steve, corr MCO, 1999.

4.b5 Qb6

5.Nc3 d6 6.Bc4 Nh6 7.a4 Bg4 8.Nge2 Be2 (8...Be7!?+=) 9.Qe2+/– g6 10.0–0 a6 11.a5 Qd8 12.ba6 (12.b6 Nd7+/–) 12...Na6 13.d4 ed4 14.Na4 (14.Na4 Qa5 15.Bd4+/–) 1–0. Schulz,Hans_Juergen (1750) – Valica,Slavo (1630), b2–b4.com, 2005.

5.d4 d6 6.a4 ed4 7.Bd4 c5 8.Bb2 Nh6 9.a5 Qc7 10.Nc3 Be6 11.Nge2 Bc4 12.Nf4 Bf1 13.Ncd5 Qf7 14.Rf1 f5?? (better is 14...Kd8+– A) 15.f3 f5 (15...Be7 16.Kf2 Re8 17.Kg1 Kc8 18.Qd2 Bd8 19.Qc3+–; 15...Nd7 16.b6 a6 17.Qd2 Kc8 18.0–0–0 Ne5 19.Be5+–; 15...a6 16.c4 Nd7 17.Kf2 Ne5 18.Qc2 f5 19.Be5+–) 16.Kf2 Kc8 17.Kg1 Nd7 18.b6 a6 19.Nc7+–; B) 15.Qd3 Nd7 (15...Rg8 16.Qh3 Nd7 17.a6 b6 18.Ne6 Kc8 19.0–0–0+–; 15...f5 16.f3 Nd7 17.a6 ba6 18.Ra6 Nb8 19.Ra4+–) 16.a6 b6 17.0–0–0 Kc8 18.Rfe1 g5 19.Nh3+–) 15.Ne6!! Qg6 (15...Qe6 16.Nc7) 16.Ndc7 Kd7 17.Nf8 (17.Na8?! Qe6 18.Ra4 fe4+–) 17...Rf8 18.Na8 Qg2 19.Qd5 Qe4 20.Qe4 Re8 (20...fe4 21.Bg7 Rf4 22.Bh6 Rh4+–) 21.Qe8 Ke8 22.Bg7 Ng4 23.Rg1 Kd8 (23...Nh2 24.Ra3 Kf7 25.Bh8+–) 24.h3 Nh2 25.0–0–0 Kd7 26.Be5 Nf3 27.Rd6 Ke7 28.Rg7 Ke8 29.Nc7 1–0. pcmvr – ozzy, ChessWorld.net, 2002.

4.b5 Be7

5.Nc3 cb5 (5...a6 6.a4 (6.bc6 dc6 7.Bc4= b5 8.Bg8 Rg8 9.Qh5 g6=) 6...ab5 7.ab5 Ra1 8.Qa1 Bc5 9.Qa8 Qc7+=; 5...Bb4 6.Rb1 (6.Qh5 g6 7.Qf3 a6 8.a4 d6 9.Bc4 f5=; 6.Qg4 g6 7.Qf3 a6 8.a4 d6 9.Bc4 f5=; 6.a3 Bc3 7.Bc3 d5 8.d4 ed4 9.Qd4 Qe7=; 6.bc6 dc6 7.Bc4 Ne7 8.Qh5 g6 9.Qh4 b5=) 6...a6 7.bc6 dc6 8.Bc4 b5 9.Bg8 Rg8+=; 5...d5 6.bc6 d4 7.cb7 Bb7 8.Nd5 Bd5 9.ed5 Qd5=; 5...Bc5 6.Nf3 (6.Bc4 Ne7 7.Qh5 g6 8.Qf3 Rf8 9.Nge2 f5=; 6.Qh5 g6 7.Qf3 a6 8.a4 ab5 9.ab5 Ra1=; 6.Qg4 g6 7.Qf3 a6 8.a4 ab5 9.ab5 Ra1=; 6.Rb1 a6 7.ba6 b5 8.a4 b4 9.Nce2 d5=; 6.Qf3 a6 7.a4 d6 8.Bc4 ab5 9.ab5 Ra1=) 6...a6 7.d4 ed4 8.Nd4 Qb6 9.Na4 Qa5+=) 6.Bb5+= Nh6 (6...Nc6 7.Nf3+= a6 8.Be2 f5 9.ef5 d5=) 7.Nf3 (7.Qh5 Nf7 8.Nf3 g6 9.Qh4 f5+=) 7...Nf7 8.Nh4 (8.d4 Nc6 9.0–0 a6+=) 8...Nc6 (8...a6 9.Bc4+= Bc5+=) 9.Nf5 Bf8 10.Rb1 (10.0–0 g6 11.Ne3 Bc5+/–) 10...Ne7 (10...g6 11.Ne3+=) 11.Ne3 a6 12.Bc4 b5 13.Bf7 (13.Bb3 b4 14.Ncd5 Bb7+=) 13...Kf7 14.0–0 d6 (14...b4 15.Ncd5 Nd5 16.Nd5+=) 15.Qh5 (15.f4 Qb6+/–) 15...g6+= 16.Qh4 Bg7 17.f4 ef4 (17...Be6 18.f5 Bd7 19.fg6 hg6 20.Qg3+=) 18.Qf4+/– Rf8 (18...f5 19.ef5 Nf5 20.g4+– (20.Nf5?! gf5 21.Ne4 Qb6 22.Kh1 Rd8+–)) 19.Ba3 g5 (19...Ke6 20.Qg4 Kf7 21.Qg3+/–) 20.Qd6 (20.Qg5 f5+–) 20...Qd6 21.Bd6 Re8 (21...Ra7 22.Ncd5 Nd5 23.Nd5+/–) 22.d4 (22.Be7 Re7 23.Ned5 Rea7+–) 22...Kg6 23.a4 (23.Rbd1+–) 23...Bd7? (23...f5!? 24.e5 Nc6+–) 24.ab5 (24.Be7 Re7 25.Ned5 Rf7 26.ab5 ab5 27.Nb5 f5+–) 24...ab5 25.Ra1 (25.Be7 Re7 26.Ned5 Rf7 27.Nb5 f5+–) 25...Ra1 26.Ra1 Nc8 (26...f5!? 27.e5 Nc8+–) 27.Bc5+– Bf8 (27...g4 28.Ned5 Bc6 29.Nc7 Re4 30.Ne4 Be4 31.d5+– (worse is 31.Nb5 Bc2 32.d5 Bh6+–)) 28.Bf8 Rf8 29.Ra6 Kg7 30.Ned5 h6 (30...Rf7 31.Kf2+–) 31.Nc7 Kg6 (31...Rf7 32.N3b5 Re7 33.Nc3+–) 32.N3b5 (32.N3b5 Ne7 33.c4+–) 1–0. Ziolkowski – Mennie,Alec Norman, corr 3GMM–47, 1996.

5.d4 ed4 6.Qd4 (6.Bd4 d5 7.ed5 Qd5 8.Nc3 Qe6 9.Nge2 Bb4=; 6.Qg4 g6 7.Bd4 cb5 8.Qd1 Nc6 9.Be3 Qa5=) 6...a6 7.bc6 Nc6 8.Qd1 b5 9.c4 b4 =.

4.Be5 Ne7

5.Bb2 d6 6.Nf3 d5 7.Bd3 (7.Nc3 Ng6 8.a3 Nf4 9.ed5 Qe7 10.Ne2+/–; 7.e5 Nd7 8.Bd3 Ng6 9.Bg6 hg6 10.a3+/–) 7...Ng6 8.a3 Nf4 9.0–0 de4 10.Be4 +/–.

5.Bb2 d6 6.Nf3 Be6 7.Nc3 (7.a3 a5 8.b5 d5 9.e5 fe5 10.Ne5+/–; 7.Be2 d5 8.e5 fe5 9.Ne5 Qd6 10.a3+/–; 7.Bd3 Nd7 8.Nd4 Bf7 9.0–0 Qb6 10.Bc3+/–; 7.Nd4 Bf7 8.a3 a5 9.b5 d5 10.ed5+/–) 7...Qb6 8.a3 Ng6 9.d4 d5 10.Bd3 +/–.

5.Bb2 d6 6.Nf3 Bg4 7.d4 (7.Be2 d5 8.Nd4 Bd7+/– 9.Bh5 g6 10.Bf3+/–; 7.Nc3 d5 8.h3 Bh5 9.a3 de4 10.Ne4+/–; 7.h3 Bh5 8.Nc3 d5 9.a3 de4 10.Ne4+/–; 7.a3 d5 8.h3 Bh5 9.Nc3 de4 10.Ne4+/–; 7.Bd3 Qb6 8.a3 Nd7 9.Nc3 a5 10.b5+/–) 7...Nd7 (7...d5 8.h3 Bh5 9.Qe2+/– de4 10.Qe4+/–) 8.Be2 (8.h3 Bh5 9.Bd3 d5 10.0–0+/–) 8...Qc7 (8...d5 9.Nfd2 Be2 10.Qe2 (worse is 10.Ke2 f5+=) 10...de4 11.Ne4+/–) 9.0–0 d5 10.Nbd2 (10.Nc3+/–) 10...0–0–0 11.e5 f5? (better is 11...Ng6 12.b5 cb5+/–) 12.Ng5+– Be2 13.Qe2 Re8 14.Nf7 Ng6 15.Nh8 Nh8 16.a3 b6 (16...Nb6 17.c4+–) 17.c4 c5 (17...Qd6 18.Rac1 (18.ed6?! Re2 19.Bc3 Bd6+–) 18...Kd8 19.Qf3+– (19.ed6?! Re2 20.cd5 cd5+–)) 18.cd5 g5 (18...Kd8 19.Qh5 cd4 20.d6 Bd6 21.Rac1+–) 19.dc5 bc5 20.e6 Ng6 21.ed7 Kd7 (21...Qd7 22.Qa6 Qb7 23.Qd3+–) 22.Qb5 Kd8 23.Bf6 Be7 24.Rfe1 (24.Rfe1 Qb6 25.Qb6 ab6 26.Re7 Ne7 27.d6+–) 1–0. Trokenheim,Marek – Gronowski,Mariusz, corr, 1986.

5.Bb2 d6 6.Nf3 Ng6 7.a3 (7.Nc3 d5 8.a3 Nf4 9.Ne2 Bd6 10.Nf4+/–; 7.b5 d5 8.ed5 Nf4 9.Bd4 Qe7 10.Be3+/–; 7.Bc4 d5 8.ed5 cd5 9.Bb5 Nc6 10.a3+/–; 7.Qe2 Be7 8.Qe3 0–0 9.Nc3 d5 10.b5+/–) 7...d5 8.ed5 Qd5 9.Be2 Bd6 10.Nc3 +/–.

4.Nf3 Bb4=+

5.a3 Bc5 (5...Ba5 A) 6.Bd3 d5 (6...Ne7 7.0–0 0–0 8.Re1 d5 9.Nc3 d4 10.Ne2–/+; 6...Nh6 7.0–0 0–0 8.Nc3 d5 9.ed5 cd5 10.Be2–/+; 6...d6 7.0–0 Ne7 8.Bc4 d5 9.ed5 cd5 10.Be2–/+) 7.ed5 cd5 8.0–0 Ne7 9.Nc3 0–0 10.Be2–/+; B) 6.Nc3 d5 (6...Ne7 7.Rb1 d5 8.ed5 Bc3 9.Bc3 Nd5 10.Bb2–/+) 7.ed5 cd5 8.Be2 Ne7 9.0–0 0–0 10.Rb1–/+; C) 6.c4 Nh6 (6...d6 7.Be2 Ne7 8.0–0 f5 9.ef5 0–0 10.f6–/+; 6...Ne7 7.Be2 0–0 8.Qb3 d5 9.cd5 cd5 10.ed5+=; 6...d5 7.cd5 cd5 8.ed5 Qd5 9.Nc3 Bc3 10.dc3–/+; 6...Na6 7.Be2 d6 8.0–0 f5 9.ef5 Bf5 10.Nc3–/+) 7.Be2 d6 8.0–0 f5 9.Qc2 fe4 10.Qe4–/+; D) 6.Be2 Ne7 (6...d5 7.ed5 cd5 8.0–0 Ne7 9.d4 e4 10.Nfd2–/+) 7.0–0 d5 8.ed5 cd5 9.d4 e4 10.Nfd2–/+) 6.Bd3? (6.d4 A) 6...ed4 7.Bd4 Bd4 8.Qd4 (8.Nd4 d5 9.Qh5 Kf8 10.ed5+=) 8...d5+= 9.Nbd2 Bg4 10.ed5+=; B) 6...Qb6 7.dc5 Qb2 8.Nbd2 Qc3 9.Bc4 Qa5 10.Nh4+=) 6...b6 (6...Qb6!? 7.Nc3 Bf2 8.Kf1–+) 7.c3 d5 8.Qa4 b5 9.Bb5? (9.Qb3 f5! 10.Ne5 fe4–/+) 9...Bf2! 10.Kf2 de4?? (better is 10...Qb6 11.d4 de4 (11...Qb5?! 12.Qb5 cb5 13.ed5=; 11...cb5?! 12.Qc2–/+) 12.Bc6 Qc6 13.Qc6 Nc6–/+) 11.Bc6+– Nc6 12.Qc6 Bd7 13.Qe4 Rc8 (better is 13...Qb6 14.Kg3 Rb8+/–) 14.Rd1?? (better is 14.d4+–) 14...Qb6= 15.d4 Qb2 16.Nbd2 Bc6 (16...Rc3 17.de5 Qb6 18.Nd4=) 17.Qf5 (better is 17.Qg4 Ne7 18.Qg7+/–) 17...Ne7+= 18.de5?? (better is 18.Qg4 Bf3 19.gf3 Qc3 20.Ne4 Qb2 21.Kg1+=) 18...Nf5–+ 0–1. mgokhale (1930) – luciole (1920), net–chess.com, 2011. (=1.e4 e5 2.b4 c6 3.Bb2 f6)

5.c3 Bd6 (5...Be7 6.c4+= Bc5 (6...d5 7.cd5 cd5 8.ed5 Qd5 9.Nc3) 7.d4 Qb6 8.Qb3 ed4 9.Qb6+=; 5...Ba5 6.d4 d5 7.Qe2 ed4 8.ed5 (8.Nd4 Ne7 9.ed5) 8...Ne7 9.Nd4–/+) 6.Bc4 (better is 6.d4+= ed4 (6...Bc7 7.Bd3 ed4 8.Nd4 d5 9.ed5=) 7.Nd4 Be5 (7...Qc7 8.Bc4 Ne7 9.Qh5) 8.Nf5 Qb6 9.Bc1=) 6...h6?? (6...Bc7!?+= 7.Qb3 Ne7 8.Ba3 (8.Bf7 Kf8 9.Bc4) 8...d5 9.ed5–/+; 6...b5 7.Bb3 (7.Bg8 Rg8 8.d4 Qe7 9.0–0+=) 7...Bc7 8.d4 Ne7 9.Qe2+=(9.de5); 6...Be7 7.Qb3 Nh6 8.d4 b5 9.Bd3=) 7.0–0 (7.Ne5!? Qe7 8.Qh5 Kd8 9.Nf7 Kc7+–) 7...a5?? (7...Ne7 8.d4 ed4 9.e5 Be5 10.Ne5 fe5 11.Qh5 g6 12.Qe5=) 8.Qb3 (better is 8.Ne5 Ne7 9.Nf7 Bh2 10.Kh2 Qc7 11.e5+–) 8...Qe7 (8...a4 9.Qd1 Ne7 10.Nh4=) 9.Re1 (9.Nh4 b5 10.Bb5+/– (10.Bg8?! a4 11.Nf5 ab3 12.Ne7 Be7 13.Bb3 d6=)) 9...a4 10.Qc2 b5 (10...a3 11.Bc1 b5 12.Nh4 bc4 13.Ng6=) 11.Bg8 (11.Nh4!? a3 12.Bc1 bc4 13.Ng6=) 11...Rg8+= 12.d3 g5 13.h3 (13.d4 Ba6+=) 13...Bc5 (13...g4 14.hg4 Rg4 15.Kh1–/+) 14.Nbd2 (14.d4 Bd6+=) 14...d6 15.g4? (15.d4 Bb6–/+) 15...Na6 (15...h5!? 16.gh5 Qh7 17.d4–+) 16.a3 (16.d4 a3 17.Bc1 Ba7–/+) 16...Qa7 (16...h5 17.d4 hg4 18.hg4–+) 17.Re2 (17.d4 Bb6 18.c4 h5+=) 17...Be6 (17...h5 18.d4 hg4 19.hg4 Bb6–+) 18.Rae1? (18.d4 Bb6 19.c4 h5 20.cb5 cb5 21.Qc6 Ke7 22.gh5 Bd7–+ (22...ed4?! 23.Qb5 g4 24.Nh4+=)) 18...Rb8 (better is 18...h5!? 19.d4 hg4–+) 19.d4–/+ ed4?? (better is 19...Bb6–/+) 20.cd4+– Bb6 21.Qc6 (better is 21.d5 Bf7 22.Qc6 Qd7 23.Bf6 Qc6 24.dc6+/–) 21...Bd7? (better is 21...Qd7 22.Qd7 Bd7+/–) 22.Qd6 Bc7 23.Qf6?? (better is 23.Qd5 Rg7 24.e5+–) 23...Rb6–/+ 24.e5 Rf6 25.ef6 Kf7?? (better is 25...Kd8 26.Ne5 Be5 27.de5 Nc7–/+) 26.d5?? (better is 26.Re7 Kf8 27.Ne5 (27.Rd7?! Bh2 28.Kh2 Qd7=) 27...Be5 28.de5+–) 26...Bb6?? (better is 26...Bd6 27.Re7 Be7 28.Ne5 Ke8 29.Nd7 Qd7 30.Re7 Qe7 31.fe7 Ke7–/+) 27.Ne5 Kf6 (27...Kf8 28.f7 b4+–) 28.Nc6 (28.Nd7 Kg6 29.Re6 Kh7 30.Re7 Rg7 31.Rg7 Kh8 32.Re8) 28...Kf7 (28...Kg6 29.Re6! Be6 30.Re6 (30.Na7?! Bd5 31.Nb5 Nc5+/–) 30...Kf7 31.Rf6 Ke8 32.Na7 Ba7 33.Ra6+–) 29.Na7 Re8 (29...Bc5 30.Ne4 Ba7 31.Nf6+–) 30.Ne4 (better is 30.Re8 Be8 31.Nc8 Bc5+–) 30...Rf8 (30...Bc7 31.Nf6 Re2 32.Re2+–) 31.Nd6 (better is 31.Nf6 Bc5 32.Nd7 Rd8 33.Nc5 Nc5 34.Re7 Kf8+–) 31...Kg8 32.Nab5 (better is 32.Re7 Rf2 33.Rg7 (33.Rd7 Re2 34.Kh1 Re1 35.Kg2 Re2 36.Kf1 Rf2 37.Ke1 Rb2+=) 33...Kf8 34.Kh1+– (34.Rd7?! Re2 35.Kh1 Re1 36.Kg2 Re2 37.Kf1 Rf2 38.Ke1 Rb2+/–)) 32...Nc5 (32...Bc5 33.Bd4 Rb8 34.Rc2 Bb5 35.Bc5+–) 33.Re3 (better is 33.Re7 Ne6 34.de6 Bf2 35.Kh2 Be8 36.Rg7 Kh8+–) 33...Nb7 (33...Nd3 34.Bd4 Ne1 35.Re1+–) 34.Nb7 (better is 34.Re7 Rf2 35.Bd4 Bb5 36.Bb6 Rf1 37.Rf1 Nd6+–) 34...Be3 (34...Bb5 35.Nd6 Ba6 36.Nf5 Be3 37.Re3+–) 35.Re3 Bb5 36.d6 (36.Re7 Rf3+–) 36...Rf7 37.Nc5 (37.Re7 Bd7 38.Rf7 Kf7+–) 37...Kh7 (37...Bc6 38.Rd3 Bd7 39.Bf6+–) 38.Re7 Re7 39.de7 Kg8 40.Be5 (better is 40.Ne4!? Bc6 41.Nd6 Kh7+–) 40...Kf7 41.Bd6 Ke8 42.Ne4 (better is 42.Kg2+–) 42...Bd3 (42...Bc6 43.Ng3 Bd7+–) 43.Nf6 Kf7 44.e8Q Kf6 45.Qe7 Kg6 46.Kg2 Bc4 47.Qe4 Kf7 48.Qc4 Ke8 49.Qc7 h5 50.Qe7 1–0. philstar99 – gordiemac, ChessWorld.net, 2009.

5.Bc3 Bc3 (5...Ba5 6.d4 d6 7.Be2 Ne7 8.de5 de5 9.Qd8+=; 5...Be7 6.d4 d5 7.Nbd2 de4 8.Ne4 f5 9.Ng3+=) 6.Nc3 d5 7.ed5 cd5 8.d4 e4 9.Nd2 –/+.

4.Qh5 g6=+

5.Qf3 Bb4 6.Bc4 h5 (6...Nh6 7.c3 A) 7...Ba5 8.Bc1+= (8.Ne2 d6 9.0–0 Bg4 10.Qe3+=) 8...b5 9.Bb3 d6 10.d3+=; B) 7...Bf8 8.d4 d6 9.Bc1 Nd7 10.Qe2+=; 6...Qe7 7.Ne2 b5 8.Bb3 a5 9.a4 ba4 10.Ra4=) 7.Be5 (better is 7.Bg8!? d5 8.Be5+= Nd7 9.Bd4 Rg8 10.ed5+=) 7...d5= 8.Bf6?? (better is 8.Bb8 dc4 9.a3+= Bc5 10.Bf4+=) 8...Nf6 9.ed5 cd5 10.Bb5 Bd7 11.Bd7 Kd7 (11...Nbd7 12.Ne2–+) 12.Nh3 (12.Ne2 Re8–+) 12...Ne4 (12...Re8!? 13.Kd1–+) 13.Qf7 Kc8 14.Qg6 Nd7 15.c3 Bc5 16.Qf5? (16.0–0 Qc7–+) 16...Rf8 (16...Qb6!? 17.0–0 Qb2 18.Qd5–+) 17.Qd5 Bf2 18.Nf2 Nf2 19.Rf1?? (19.0–0 Qb6 20.d4–+) 19...Qh4 (19...Qe7 20.Qe6 Qe6) 20.Qd4 (20.Rf2 Rf2 21.g3 Qh2 22.Kd1–+) 20...Nh1 (better is 20...Re8 21.Qe3 Ng4 22.Kd1 Ne3 23.de3 Re3–+) 21.Qh4+– Re8 22.Kd1 a5 23.Rh1 Ra6 24.Re1 Rf8 25.Qc4 (25.Qh5 Kd8+–) 25...Kb8 26.Na3 Nb6 Black prepares the advance a4 27.Qd4 a4 28.Qd6 Ka7 (28...Ka8 29.Qf8 Nc8 30.Qc8 Ka7 31.Nb5 Kb6 32.Qc7 Kb5 33.Rb1) 29.Qf8 (29.Nb5 Ka8 30.Qf8 Nc8 31.Qc8) 29...Ra5+– 30.c4 Nd7 31.Nb5 (31.Qd8 Rd5 32.cd5 Nb6 33.Re6 Nc8 34.Qc8 b5 35.Nb5) 31...Kb6 32.Re6# 1–0. Barry49434 – JimDog, ChessWorld.net, 2005.

5.Qh4 d5 6.ed5 cd5 7.Bb5 Nc6 8.Ne2 Be6 9.0–0 Nge7?? 10.Qf6+– Qd6 11.Qh8 0–0–0 12.Qh7 Bf5 13.Qh4 a6 14.Bc6 Nc6 15.b5! Nb4 16.Na3 a5 17.Rac1 Be7 18.Qg3 d4 19.Nc4 Qd5 20.Ne5 Bd6 21.f4 Kb8 22.Nd4 Qa2 23.Bc3 Nc2 24.Nf5 gf5 25.Nf7! Bc5 26.d4 Qf7 27.dc5 (27.dc5 Nb4 28.Qe3+–) 1–0. bratek55 (1755) – buryszpak (1750), kurnik, 2011.

4.a3 a5

5.b5 c5 6.Bc4 Ne7 7.Qh5 g6 8.Qf3 h5? (better is 8...Qb6+/– A) 9.Nc3 Bg7 (9...Ra7 10.Nge2 Bh6 11.Qd3 d6 12.0–0 Bg4 13.Na4+/–; 9...a4 10.Nge2 Bh6 11.Qd3 d6 12.0–0 Nd7 13.Rae1+/–) 10.Nge2 d6 11.d3 f5 12.Na4 Qd8 13.0–0+=; B) 9.Nh3 Bg7 10.Nc3 d6 11.0–0 h5 12.Qg3 h4 13.Qf3+/–; C) 9.Ra2 Bg7 (9...a4 10.Ne2 Bh6 11.0–0 Bg5 12.Qg3 d5 13.ed5+/–; 9...Bh6 10.Ne2 Bg5 11.0–0 d6 12.Nbc3 Nd7 13.Qd3+/–; 9...Ra7 10.Ne2 Bh6 11.0–0 Bg5 12.Qg3 Qd6 13.f4+/– 1.31; 9...Qd6 10.Ne2 b6 11.0–0 Bb7 12.Qe3 Bg7 13.f4+/–) 10.Ne2 d6 11.Nbc3 f5 12.0–0 Rf8 13.Qd3+=; D) 9.Ne2 a4 (9...Bh6 10.0–0 a4 11.Qd3 d6 12.Nbc3 Nd7 13.Rae1+/–; 9...Bg7 10.Nbc3 d6 11.0–0 f5 12.Qd3 Rf8 13.Rae1+/–; 9...Ra7 10.0–0 Bh6 11.Qd3 d5 12.ed5 Bf5 13.Qc3+/–) 10.0–0 Bh6 11.Qd3 d5 12.ed5 Bf5 13.Qc3+/–) 9.Qf6+– Rh7 10.Nf3 (10.Be5?! d5 11.Bb8 Bg7+/–) 10...d5 11.Bd5 Nd5 (11...Nd7 12.Qd6 Qb6 13.Qb6 Nb6+–) 12.Qg6 Rf7 13.Ne5 Qe7 (13...Qf6 14.Qf7 Qf7 15.Nf7 Kf7 16.ed5+–) 14.ed5 Bf5 (14...Nd7 15.Qf7 Qf7 16.Nf7 Kf7 17.Nc3+–) 15.Qh5 Bg6 (15...Bc2 16.h4 Nd7 17.Qf7 Qf7 18.Nf7 Kf7+–) 16.Qg6 Nd7 17.Qf7 Qf7 18.Nf7 Kf7 19.f4 (19.d3!? Re8 20.Kd1 Bd6+–) 19...Re8 20.Kf2 Nf6 (20...Nb6 21.Nc3+–) 21.Bf6 Kf6 22.Nc3 Bg7 23.h4 Kf5 24.Rae1 (24.Kf3 Bc3 25.g4 Kf6 26.dc3 a4+–) 24...Re1 1–0. lskr (1950) – suri5, internet, 2007.

5.b5 Ne7 6.d4 ed4 (6...d6 7.Nd2 (7.de5 fe5 8.Nc3 Be6 9.Nf3 Ng6 10.Bc1 Be7=; 7.Nf3 ed4 8.Bd4 d5 9.Bd3 de4 10.Be4 cb5+=; 7.Qh5 g6 8.Qh4 Bg7 9.Nf3 0–0 10.Be2 ed4=; 7.Be2 ed4 8.Bd4 d5 9.ed5 Nd5 10.Nf3 Qd7+=) 7...Be6 8.Ngf3 Ng6 9.Be2 Be7 10.0–0 0–0+=) 7.Qd4 (7.Qh5 Ng6 8.Bd4 d5 9.ed5 Qd5 10.Qd5 cd5+=) 7...d5 8.Nc3 (8.Nd2 Be6 9.Ne2 Nd7 10.Nf4 Bf7+=) 8...Be6 9.Nge2 c5 10.Qd2 (10.Qc5? Nf5 11.ef5 Bc5 12.fe6 Qd6–+) 10...d4 11.Nf4 Bf7 12.Nce2 g5 13.Nh3 Nd7 14.c3 d3 15.Qd3 Ne5 16.Qd8 Rd8 17.Ng3 Bh6 18.Bc1 Bg7 19.Be3 b6 20.f4 Nd3 21.Bd3 Rd3 22.Bd2 0–0 23.fg5 fg5 24.Ng5 (24.Bg5? Bc3 25.Kf2 Bc4 26.Nf4 Bd4 27.Ke1 Rf4 28.Bf4 Ba1–+) 24...Bb3 (24...Bc4 25.Ne2+=) 25.Rc1 Bc4 26.Rf1 Rfd8 27.Rf2 Ng6 28.Nf3 a4 29.h4 (29.h3!?+/–) 29...Nh4+= 30.Nh4 Rg3 31.Nf5 Rgd3 32.Ng7 Kg7 33.e5 Re8 (worse is 33...Bb5 34.Rb1 Bc4 35.Rb6+/–) 34.Bf4 h5 35.Rf1 (35.Rd2 Rd2 36.Kd2 Rd8 37.Kc2 Bd3 38.Kb2 Bb5=) 35...Kg6 36.g3 Bb5 37.Kf2 Bc6 38.Rfd1 Red8 39.Rd3 Rd3 40.Rb1 b5 (40...Rc3 41.Rb6 Ra3 42.Rc6 Kf5 43.Rf6 Kg4 44.e6 Ra2 45.Kf1 Ra1 46.Ke2 Ra2 47.Bd2+–) 41.c4 Rf3 (41...bc4 42.Rb6 Ra3 43.Rc6 Kf5 44.Rf6 Kg4 45.e6 Ra2 46.Ke1 Ra1 47.Ke2 Ra2 48.Kd1+–) 42.Ke2 Rb3 (42...bc4? 43.Rb6 Ra3 44.Rc6 Kf7 45.Rc5 Ra2 46.Ke3+–) 43.Rb3 ab3 44.Bc1 bc4 45.Kd2 Kf5 46.Kc3 Kg4 (46...Ke5?! 47.Kc4 Ke4 48.Bb2–/+) 47.Be3? (47.e6 Kg3 48.Be3 h4 49.Bc5 h3 50.Bd6 Kg4–+) 47...Kg3 (47...Bd5!? 48.Bf2 Kf3 49.Bc5 Kg3 50.e6 Be6 51.Bd6 Kg4 52.a4–+) 48.e6 h4 49.Bc5 (49.e7 h3 50.Bc5 Kf4–+) 49...h3 50.Bd6 Kg2 51.Be5 h2 52.Bh2 Kh2 53.e7 Kg3 0–1. orane (2205) – Hawk, Live Game Caissa's Web, 2004.

5.ba5 Ra5

6.d4 ed4 7.Bd4 d5 8.Bc3 Ra4 9.ed5 Qd5 10.Qd5 cd5 11.Bb5 Bd7 12.Ba4 Ba4 13.Ra2 +/–.

6.d4 ed4 7.Bd4 d5 8.Bc3 Ra4 9.ed5 Re4 10.Be2 Qd5 11.Bd2 Kf7 12.Nc3 Re2 13.Nce2?! Qg2 14.Ng3 Nd7 =.

5.b5 Bc5

6.c3 d5 7.d4 Bd6 8.ed5 cd5 9.de5 Be5 10.Nf3 Nh6 11.Bd3 Bf5 12.Ne5 fe5 13.Qh5 g6 14.Qh6 Bd3 +=.

5.b5 d5

6.ed5 Qd5

7.Nc3 Qe6

8.Nf3 Ne7 9.Be2 e4 10.Nd4 Qe5 11.Nb3 a4 12.Na4!? Qg5 13.Nb6 Qg2 14.Rf1 +/–.

8.Nf3 Ne7 9.Be2 e4 10.Nd4 Qe5 11.Nb3 Ng6 12.0–0 Bd6 13.g3 +=.

5.Bc4 ab4

6.ab4 Ra1 7.Ba1 Bb4 8.Bg8 Rg8 9.Bc3 Bc3 10.Qh5 Kf8 11.Nc3 =.

5.Bc4 d5

6.ed5 cd5 7.Bb5 Nc6 8.Ba4 ab4 9.ab4 Bf5 10.b5 Nb4 11.d3 –/+.

5.d4 ab4

6.de5 ba3 7.Ba3 Ra3 8.Na3 Qa5 9.Ke2 Qe5 –/+ (< 9...Ba3 10.Qd3+=).

6.de5 ba3 7.Na3 Ba3 8.Ba3 Qa5 9.Qd2 Qe5 =+.

6.de5 ba3 7.Na3 Ba3 8.Ba3 Qa5 9.Ke2 Qe5 –/+.

6.de5 ba3 7.Nf3 Ra4 8.Na3 Qa5 9.Nd2 Ba3 10.Ra3 Ra3 11.Ba3 Qa3 –+.

5.d4 ed4

6.Qd4 Qe7 =.

5.Be5?? fe5–+

6.Qh5 Ke7 7.Qe5 Kf7 8.Bc4 d5 9.ed5 Bd6 10.dc6 Kf8 11.Qe4 Nc6 12.b5 –+.

6.Qh5 Ke7 7.Qe5 Kf7 8.Bc4 d5 9.ed5 Kg6 10.Ne2 Qe7 11.Qg3 Kh6 12.ba5 cd5 13.Bd5 Nc6 =+.

4.a3 d5

5.Nc3 Bd6 6.ed5 cd5 7.Nd5 Nc6 8.Bc4 Nge7 9.Ne3 Bd7 10.Ne2 Qc7 11.Ng3 0–0–0 12.Qe2 Kb8 13.0–0–0 Rhe8 14.Bb3 Ng6 15.Nc4 Nf4 16.Qf1 Bb4 17.ab4 Nb4 18.Ba3 a5 19.Ne4 Bb5 20.d3 Nc2 21.Kc2 a4 22.Ba2 Bc4 23.dc4 Rd4 24.Rd4 Ka8 25.Rd6 Rc8 26.Nd2 b5 27.Kb1 bc4 28.Qc4 Rb8 29.Ka1 Qc4 30.Nc4 1–0. bruziewicz (1615) – anelehd, kurnik, 2013.

5.ed5 Qd5 6.Nc3+= (6.Qh5 A) 6...Qf7 7.Qe2 (7.Qf7 Kf7 8.d4 ed4 9.Bd4 a5 10.c3 Be6=) 7...Bd6 8.d4 Qe7 9.de5 Be5 10.Be5 fe5=; B) 6...g6 7.Qe2 Ne7 8.f4 Nd7 9.Nc3 Qd4 10.g3 ef4=) 6...Qf7 (6...Qd8 7.Nf3 (7.Bc4 Nh6 8.Qh5 g6 9.Qe2 Bg4 10.f3 Bf5+=; 7.Bd3 Be6 8.Nf3 Bd6 9.0–0 Ne7 10.Qe2 Ng6=) 7...b5 8.d4 ed4 9.Nd4 a5 10.ba5 Ra5+=; 6...Qd7 7.Be2 (7.Qh5 g6 8.Qf3 Qd8 9.Bc4 Nh6 10.Ne4 Bf5+=; 7.Nf3 b5 8.d4 a5 9.ba5 ed4 10.Nd4 Ra5+=; 7.Bd3 Nh6 8.Nf3 Bd6 9.Ne4 a5 10.0–0 b5=; 7.Bc4 Qf5 8.d3 Qg6 9.Qf3 Ne7 10.h3 Nf5=) 7...c5 8.b5 Nh6 9.Nf3 Bd6 10.Bc4 Nf7+=; 6...Qe6 7.Qh5 (7.Nf3 Nh6 8.Be2 Nf5 9.0–0 Be7 10.d4 0–0+=; 7.Be2 Nd7 8.Nf3 c5 9.bc5 Bc5 10.0–0 Ne7+=; 7.Qe2 Ne7 8.Nf3 Nd5 9.Nd5 cd5 10.d4 e4=; 7.Ne4 a5 8.b5 Bd7 9.b6 c5 10.Qh5 g6=) 7...g6 8.Qe2 Ne7 9.Nf3 Nd5 10.d4 Nf4+=) 7.d4 (7.Qe2 Be6= 8.Nf3 a5 9.b5 c5 10.Ne4 Nd7=; 7.Nf3 Be6 8.d4 Nd7 9.Qe2 Qh5 10.Ne4 Bg4+=) 7...ed4= 8.Qd4 Qe6 (8...Qe7 9.Be2 (9.Nge2= b5 10.Qh4 a5=) 9...a5 10.b5 Nh6+=) 9.Be2 (9.Nge2 a5 10.b5 Nd7+=) 9...Nh6 (9...a5 10.b5 Ne7+=) 10.Rd1 (10.0–0–0 Be7+=) 10...Be7 (10...Nd7 11.Nf3+=) 11.Nf3 0–0 (11...a5 12.0–0+/–) 12.0–0+/– c5 13.bc5 Nc6 14.Qa4 Nf7 (14...Bc5?? 15.Bc4+–) 15.Rfe1 (15.Bc4 Qg4+/–) 15...Nce5 (15...Bc5 16.Bc4 Qf5+–) 16.Ne4 Kh8 17.Be5 Ne5 18.Nd6 Bd6 19.cd6 (19.Rd6?! Nf3 20.gf3 Qf5=) 19...Bd7 20.Qb3 Qb3 21.cb3 Rae8 22.Ne5 Re5 23.f4 Ra5 (23...Re3 24.Bc4 Re1 25.Re1+–) 24.a4 g6? (24...Rd8+–) 25.Bb5! Bb5 (25...Rb5 26.ab5 Rd8 27.Re7+–) 26.ab5 Rb5 (26...Kg8 27.d7 Kf7+–) 27.d7 (27.d7 Kg7 28.Re8+–) 1–0. dewil – Clay56, ChessWorld.net, 2009.

5.Nc3 d4

6.Na4 Nd7 7.Nh3 b5 8.Nc5 Bc5 9.bc5 Nc5 10.Qh5 g6 11.Qh4 –/+.

5.ed5 c5

6.Bb5 Bd7 7.Qh5 g6 8.Bd7 Qd7 +/–.

6.c4 b6 7.Bd3+/– Nh6 8.Nc3 Bg4 9.Qc2 Nd7 10.Bh7 Qe7? 11.Nb5+– Nf7 12.Nc7 Kd8 13.Na8 Bh5 14.Bf5 Nd6 15.Be6 g5 16.f3 Bf7 17.Bf7 Qf7 18.bc5 Nc5 19.d4 Ncb7 20.de5 fe5 21.Nh3 Rh3 22.gh3 Qf3 23.Rf1 Qe3 24.Qe2 Qe2 25.Ke2 Bg7 26.Rae1 Nc4 27.Rf7 (27.Rf7 Nbd6 28.Rg7 Nb2 29.Rf1+–) 1–0. kofti – michaelanthony, ChessWorld.net, 2005.

5.ed5 cd5

6.Bb5 Nc6 7.Ne2 Bd6 8.d3 Bg4 9.Nd2 Nge7 10.0–0 Qc7 11.g3 (11.c4 Qb6=) 11...0–0–0 (11...a5!?–/+) 12.c4+= Qd7 13.cd5 Nd5 14.Ne4 Bb8 15.Rc1 Bf3 16.Qc2?? (better is 16.Bc6 bc6 17.Nd2=) 16...Qh3–+ 17.Nf4 Nf4 18.Qc6 bc6 19.Rc6 Kb7 20.Nc5 Ka8 0–1. ejdrzej (1615) – ostravator (1660), kurnik, 2013.

6.Bb5 Bd7 7.Nc3 Bb5 8.Nb5 a5 =.

6.Bb5 Bd7 7.Bd7 Nd7 =.

6.c4 a5 A) 7.cd5 ab4 8.ab4 Ra1 9.Ba1 Qd5 10.Nc3 Qd6 11.b5=; B) 7.ba5 Ne7 (7...Be6 8.cd5 Qd5 9.Nc3 Qa5 10.Bb5 Nc6 11.Nf3=) 8.d4 Nbc6 9.de5 fe5 10.cd5 Nd5 11.Nc3=; C) 7.c5 ab4 8.ab4 Ra1 9.Ba1 Nc6 10.Bb5 Bd7 11.Qb3=.

6.c4 cb4 7.ab4 b6 (7...Kf7 8.Bc3 Nh6 9.Nf3 Na6 10.b5 Nc7 11.d4+/–; 7...Nh6 8.Nc3 b6 9.Nf3 Kf7 10.b5 Bd6 11.Ne4+/–; 7...Be7 8.Nc3 Nd7 9.c5 Nc5 10.bc5 Bc5 11.Bb5+–; 7...Bf5 8.Nc3 b6 9.d6 Nc6 10.c5 bc5 11.bc5+/–; 7...Qd6 8.b5 Qb6 9.Nf3 Bg4 10.Be2 Nd7 11.d4+/–) 8.b5 a6 9.Qe2 Kf7 10.ba6 Ra6 11.d4 +/–.

6.c4 b6 7.Nc3 Nh6 (7...Bd6 8.Ne4 Nh6 9.bc5 bc5 10.Qh5 Nf7 11.Bd3+/–; 7...Nd7 8.Qa4 a6 9.Nf3 Rb8 10.Bd3 Nh6 11.0–0+/–; 7...Bf5 8.Nf3 Nh6 9.Qa4 Bd7 10.b5 Bd6 11.Be2+/–; 7...Bd7 8.bc5 Bc5 9.Ne4 Bf5 10.Bd3 Bf8 11.Nf3+/– 1.22; 7...Qd7 8.bc5 Bc5 9.Ne4 Na6 10.Nc5 Nc5 11.d4+/–) 8.Bd3 a6 9.bc5 Bc5 10.Nf3 Bf5 11.Bf5 +/–.

6.c4 b6 7.Bd3+/– Nh6 (7...Qd7 8.b5 Bd6 9.Qh5 Kd8 10.Ne2 a6 11.Nbc3+/–; 7...g6 8.Nf3 Nd7 9.b5 a6 10.ba6 Ra6 11.0–0+/–) 8.Nc3 (8.Qc2 g6+/– 9.Nf3 Nd7 10.b5 Nf7 11.0–0+/–) 8...Bg4 (8...a6 9.bc5 Bc5 10.Nf3+/– Bg4 11.0–0+/–) 9.Qc2 Nd7 (9...g6 10.Be4 a6 11.Nge2+/–) 10.Bh7 (better is 10.f3 cb4 11.ab4+– (worse is 11.fg4 bc3 12.Bc3 Rc8+/–)) 10...Qe7? (better is 10...cb4 11.ab4+/– (11.Bg6 Nf7 12.ab4 Bb4+/–)) 11.Nb5+– Nf7 (11...g5+–) 12.Nc7 Kd8 13.Na8 Bh5 (13...Nd6 14.h3 Bh5 15.Bd3+–) 14.Bf5 Nd6 (14...Nh6 15.Be6+–) 15.Be6 g5 16.f3 Bf7 17.Bf7 Qf7 18.bc5 Nc5 19.d4 Ncb7 (19...ed4 20.Bd4 Ne8 21.Qc3+–) 20.de5 fe5 21.Nh3 (21.Rd1 Rh4 22.c5 Nc5 23.Be5 Rh6+–) 21...Rh3 (21...Nc5 22.Ng5 Qb7 23.Be5+–) 22.gh3 Qf3 (22...Nc5 23.Rd1+–) 23.Rf1 Qe3 24.Qe2 Qe2 25.Ke2 Bg7 (25...Be7 26.Be5 Nc4 27.Bb8+–) 26.Rae1 (better is 26.Bc1!? Na5+–) 26...Nc4 (26...Ke7 27.Bc3+–) 27.Rf7 (27.Rf7 Nbd6 28.Rg7 Nb2 29.Rf1+–) 1–0. kofti – michaelanthony, ChessWorld.net, 2005.

6.c4 Qb6 A) 7.b5 Bd6 (7...a6 8.Nc3 Bd6 9.Qh5 g6 10.Qf3 Bf5 11.Bd3+/–; 7...Nh6 8.Bd3 Bd6 9.Nf3 a6 10.Nc3 0–0 11.0–0+=) 8.Bd3 Ne7 9.Nf3 a6 10.a4 ab5 11.ab5+=; B) 7.Bc3 Nh6 (7...Bd7 8.f4 ef4 9.Qh5 Kd8 10.d4 cb4 11.c5+/–; 7...Nd7 8.Qa4 Bd6 9.Be2 Nh6 10.d3 0–0 11.Nf3+=) 8.Nf3 Kf7 9.bc5 Bc5 10.d4 ed4 11.Bd4+=; C) 7.Qh5 Kd8 (7...g6 8.Qe2 Kf7 9.b5 Nd7 10.Nf3 Kg7 11.Nc3+/–) 8.b5 Bd6 9.Be2 g6 10.Qf3 Bf5 11.Nc3+=.

6.c4 Nc6 A) 7.b5 Na5 8.cd5 Qd5 9.Qh5 g6 10.Qf3 Qf3 11.Nf3+=; B) 7.c5 Nh6 (7...Nge7 8.Nf3 Ng6 9.Bb5 Be7 10.d4 e4 11.Nfd2=; 7...Qc7 8.Nf3 Bg4 9.Be2 b6 10.d4 bc5 11.dc5=; 7...Bf5 8.Nf3 Rc8 9.d4 e4 10.Nfd2 Nge7 11.b5+=; 7...Bd7 8.d4 Nd4 9.Bd4 ed4 10.Qd4 a5 11.Ra2=; 7...Be6 8.d4 Nd4 9.Bd4 ed4 10.Nf3 Bd7 11.Nd4+=) 8.Nf3 Be7 9.b5 Na5 10.d4 ed4 11.Qc2+=; C) 7.cd5 Qd5 8.Nc3 Qd8 9.Bc4 Bf5 10.Nf3 Rc8 11.Qb3=.

6.c4 Nd7 A) 7.Bc3 Bd6 (7...Qb6 8.Qa4 Bd6 9.Be2 Nh6 10.d3 0–0 11.Nf3+=) 8.Qg4 Qe7 9.Be2 Nh6 10.Qh5 Nf7 11.bc5+=; B) 7.Bd3 Nh6 (7...g6 8.Qa4 a5 9.b5 Nb6 10.Qc2 Bd6 11.Ne2+/–) 8.Bc3 b5 9.cb5 cb4 10.ab4 Bb7 11.Be4+=.

6.c4 Be6 7.c5 d4 (7...Qc7 8.Bb5 Nc6 9.Nf3 a6 10.Ba4 Nge7 11.0–0=; 7...Nd7 8.d4 Qc7 9.Nc3 b6 10.Be2 bc5 11.dc5+=; 7...Nc6 8.d4 Nd4 9.Bd4 ed4 10.Nf3 Bd7 11.Nd4+=) 8.Bb5 Kf7 9.Nf3 Nc6 10.Qc2 Nge7 11.0–0 =.

6.c4 Be6 7.cd5 Qd5 8.Nc3 Qd7 9.Nf3 Nc6 10.Rc1 Rc8 11.d4 =.

6.c4 Be6 7.cd5 Bd5 8.Nc3 Be6 9.Nf3 Nh6 (9...Nc6 10.Bb5 Kf7 11.Bc6 bc6 12.d4+=) 10.Bb5 Nc6 11.Qa4 (11.d4 Qc7+/–) 11...Qc7 (11...Bd7 12.0–0=) 12.Rc1 (12.d4 ed4 13.Nd4 Bd7+/–) 12...Kf7 13.0–0 Be7 14.Ne4 Rac8? (better is 14...Rhe8+/–) 15.Bc6+– bc6 16.Nc5?? (better is 16.Neg5! fg5 17.Ne5 Kf8 18.Rc6+– (18.Nc6?! Qd7=)) 16...Bd5= 17.d4 Bf3 (17...e4 18.Nd2 Qf4 19.Nc4=) 18.gf3+= Nf5 (18...Rhd8!?+=) 19.de5 fe5 20.Rfe1 Bd6?? (20...Bf6 21.f4! e4 22.Qb3 Kg6 23.Kh1+– (23.Re4?! Bb2 24.Qb2 Rce8+–)) 21.Ne4 (better is 21.Qb3 Ke8 22.Qe6 Ne7 23.Be5+–) 21...Rhf8 22.b5 c5 (22...Kg8 23.Rc6 (worse is 23.bc6 Nd4+=) 23...Qb8 24.Nd6 Nd6 25.Be5 Rc6 26.bc6+–) 23.Nd6 (23.Qc4 Kg6 24.Nd6 Qd6 25.Qg4 Kf7 26.Qf5 Kg8 27.Qe5 Qg6 28.Kh1 Rf5+–) 23...Qd6+/– 24.Be5 Qg6 25.Kf1 (25.Kh1!? Kg8 26.Qa7+/–) 25...Rfe8 (25...Rfe8 26.Rc5! Rc5 27.Qa7 Kg8 28.Qc5 Nh6+–). typ48 – hello227, kurnik, 2013.

6.c4 Be6 7.cd5 Bd5 8.Nc3 Bf7 9.Bb5 Nc6 10.Nf3 a5 11.ba5 +=.

6.c4 Ne7 7.cd5 Nd5 8.Nf3 Bg4 9.Be2 Bd6 10.0–0 0–0?? (10...Nf4 11.Re1 Nd7 12.d4=) 11.h3?? (11.Bc4 Be6 12.Qb3 e4+–) 11...Bf3?? (better is 11...Be6=) 12.Bf3+– Be7? (better is 12...Nf4 13.Bb7 Nd7 14.Ba8 Qa8 15.Qb3 Rf7+–) 13.Nc3 (better is 13.Qb3 Nc6 14.Nc3+–) 13...Nc3+= 14.dc3 Qd1? (better is 14...Nc6+=) 15.Rfd1+– (15.Bd1?! Rd8+=) 15...Nc6 (15...a6 16.Bb7 Ra7+–) 16.Bc6?? (better is 16.Rd7 Kf7 17.Bd5 Ke8 18.Rb7+–) 16...bc6+= 17.Rd7 Rfe8 (17...Kf7!?=) 18.Rc7+= c5 19.bc5 a5 20.c4 (20.Rd1!?+/–) 20...Rac8= 21.Rc8 Rc8 22.Bc3 (22.Kf1!?=) 22...Rc5–/+ 23.g3 Rc4 24.Ba5 Ra4 25.Bc7 Ra3 (worse is 25...Ba3 26.Bd6 Bd6 27.Ra4+/–) 26.Ra3 Ba3 27.Kg2 Kf7 28.Kf3 Ke6 29.g4 g6 30.Ke4 Bd6 31.Bb6 f5 32.gf5 gf5 33.Ke3 Kd5 34.f3 (better is 34.Ke2–+) 34...Bc5 35.Bc5 Kc5 36.h4 (36.Kd3 Kd5 37.Ke3–+) 36...Kd5 37.h5 h6 38.Kd3 e4 39.fe4 fe4 40.Ke3 Ke5 41.Ke2 Kf4 42.Kf2 e3 (better is 42...Kg4–+) 43.Ke1 Kf3?? (43...Ke5 44.Kd1 Kd5=) 44.Kf1= e2 45.Ke1 Kg4 46.Ke2 Kh5 47.Kf2 Kh4 48.Kg2 h5 49.Kh2 Kg4 50.Kh1 h4 51.Kh2 h3 52.Kh1 Kg3 53.Kg1 Kf3 54.Kh2 Kg4 55.Kg1 Kg3 56.Kh1 Kf3 57.Kg1 Kg3 58.Kh1 Kf3 59.Kh2 Kg4 ½–½. ourang – piripilli1, kurnik, 2013.

6.c4 Nh6 A) 7.Nc3 Nd7 (7...Bf5 8.Nf3 Nd7 9.Nh4 Bg4 10.f3 Bh5 11.bc5+=) 8.Nb5 a6 9.Qa4 Qb6 10.Nf3 cb4 11.ab4=; B) 7.bc5 Bc5 8.d4+= ed4 9.Bd4 Bd4 10.Qd4 0–0 11.Bd3+=; C) 7.Nf3 Qb6 (7...Kf7 8.bc5 Bc5 9.d4 ed4 10.Bd4 Bd4 11.Nd4+/–; 7...e4 8.Ng1 Bg4 9.Be2 Bf5 10.Bh5 g6 11.Be2+/–; 7...Nf5 8.Nc3 Kf7 9.bc5 Bc5 10.Bd3 Na6 11.Ne4+/–; 7...Bf5 8.Be2 Nd7 9.bc5 Bc5 10.d4 ed4 11.0–0+/–; 7...Na6 8.b5 Nc7 9.Bd3 Nf5 10.Qc2 g6 11.0–0+/–) 8.b5 Bd6 9.Bd3 a6 10.Nc3 0–0 11.0–0+=.

6.d4 Bd6 7.de5+= fe5 8.Nf3 Nf6 (8...Bg4 9.Be2 Bf3 10.Bf3 Nf6+/–) 9.Bb5 (9.Be5!? Qe7 10.Qe2+=) 9...Bd7= 10.Bd7 Nbd7 11.0–0 (11.c4 e4 12.Qe2 Qe7=) 11...0–0+= 12.h3 (12.c4 e4 13.Ng5 Qb8 14.cd5 Bh2 15.Kh1 Be5+=) 12...Kh8 (12...Rc8!?–/+) 13.c4= d4 (13...a5 14.Ng5 Qb6 15.cd5 ab4 16.ab4 Qb4 17.Bc3=) 14.Re1 (14.c5 Bc7=) 14...Rc8 (14...Qb6 15.Bc1 Qc6 16.Nbd2=) 15.Nbd2 (15.c5 Bc7+=) 15...Bb8 (15...Qb6 16.c5 Bc5 17.Nc4+/–) 16.Ng5 (16.Qb3 Qc7=) 16...Qb6 17.Rc1 Nc5 (17...Rcd8 18.c5 Qc6 19.Qf3 Qf3 20.Ndf3=) 18.Nde4 (18.Bd4 ed4 19.bc5 Qa6+=) 18...Nfe4 19.Ne4 Ne6 (19...Ne4 20.Re4 Qg6 21.Qd3=) 20.g3 (20.c5 Qb5=) 20...Qd8 21.Kg2 (21.Qg4 Qe8=) 21...Ng5 22.Ng5 (22.Qd3 Nf3 23.Re2 Qc7=) 22...Qg5+= 23.Re4 Qf5 Attacks the backward pawn on f2 (23...Rf7 24.Rc2=) 24.f3= Rc6 (24...Qg6 25.Qd3+=) 25.Qd3 Rh6 (25...b6 26.c5=) 26.Rh1 Rhf6 Will f3 fall? 27.Rf1 g5 (27...Bc7 28.Bc1=) 28.a4 (28.Bc1 Bd6+=) 28...h5 (28...Rh6 29.g4 Qf7 30.a5=) 29.g4 (29.a5 Qg6=) 29...Qh7 (29...Qg6 30.Bc1=) 30.Bc1 hg4 31.hg4 Rh6 (31...Qg6 32.Bd2=) 32.Kf2+= (32.Bg5?? Rh2 33.Kg1 Qh3 34.Bf6 Rf6 35.Re2 Qg3 36.Rg2 Qg2) 32...Rh2 33.Ke1 Qh4 34.Kd1 Rf2 35.Rf2 Qf2 36.Bg5 (better is 36.Qe2!? Rf3 37.Qf2 (37.Bg5?? Qg1 38.Kd2 Rf2–+; worse is 37.Re5 Be5 38.Qe5 Kh7 39.Qe7 Rf7 40.Qe4 Kg7 41.Qe5 Qf6 42.Qg5 Qg5 43.Bg5 a5–/+) 7...Rf2 38.Bg5=) 36...Rf3–/+ 37.Qe2?? (better is 37.Qd2 Qg1 38.Re1 Qg4 39.Kc1–+) 37...Qg1–+ (37...Qg1 38.Kd2 Rf2 39.Bf6 Kg8 40.Be5 Re2 41.Re2 d3–+ (41...Qg4?! 42.Bb8 Qh3 43.Ba7 Qc3 44.Kd1–+)) 0–1. Biberger,Hans (1905) – Monninger,Moritz_Franz (1915), RLSW_Unterhach–TarrMue2, 2003.

6.Be2 a5 7.b5 b6 8.d3 Be6 9.Nf3 Nd7 10.Nbd2 Bc5 (10...Bd6 11.c4+=) 11.0–0 (11.d4 ed4 12.Nd4 Bd4 13.Bd4 Ne7+/–) 11...Ne7 12.d4 Bd6 13.c4 (better is 13.de5!? fe5 14.Nc4+=) 13...e4+= 14.Ne1 0–0 15.cd5 Bd5 16.Bc4 f5 17.Nc2 (17.Rc1 Bf4+=) 17...Nf6 (better is 17...Bh2 18.Kh2 Qc7 19.Kg1 Bc4 20.Nc4 Qc4–/+) 18.Ne3= Bf4 19.Qb3 Be3 20.fe3 g6 (20...a4 21.Qc3+=) 21.Rac1 Qd7 22.a4 Rfc8 23.Ba3 Bc4? (23...Kf7+/–) 24.Rc4?? (better is 24.Nc4 Rc4 25.Be7 Qe7 26.Qc4 Kh8 27.Qc6+–) 24...Ned5= 25.Rfc1 Rc4 26.Qc4 (26.Nc4!? Kg7 27.Ne5+=) 26...Kg7 27.Nf1 Rb8 28.Qc6 Rb7 (28...Rd8 29.Qc4+=) 29.Qd6 (29.Bd6!?+=) 29...Qd6+= 30.Bd6 Rd7 31.Rc6 Ne8 32.Be5 Kf7 33.h3 Ke7 34.Kf2 Nd6 35.Nd2 Nf7 36.Nc4 Ne5 37.Ne5 Rb7 38.g4 fg4 39.hg4 Nb4 40.Rc8 Ke6 41.Re8 (41.Nc4 Kd5+/–) 41...Kd5 (41...Re7 42.Rb8 Nd5 43.Kg3+=) 42.Rc8 Nd3 (better is 42...Ke6!?=) 43.Nd3+/– ed3 44.Ke1 Ke4 45.Kd2 Kf3 46.Kd3 Kg4 47.e4 h5 48.e5 h4 49.d5 (49.Rc6 h3 50.Rg6 Kf3=) 49...Kf5 (better is 49...Rh7 50.e6 h3=) 50.Kd4+/– h3? (50...Rh7!? 51.Rf8 Kg4+–) 51.Rf8 (better is 51.Rh8!? g5 52.Rh3 g4 53.Rh5 Kg6+–) 51...Kg4 52.d6 h2? (52...Rh7 53.Rf1 Rd7+–) 53.Rh8+– Kg3 54.Kd5 g5 (54...Rf7+–) 55.e6 Kg2 (55...Rb8 56.Rh2!! Kh2+–) 56.e7 Re7 57.de7 1–0. ejdrzej (1685) – rom1970 (1820), kurnik, 2013.

6.Nc3 Nc6

7.Bb5 Bf5 8.d4 a6 9.Bc6 bc6 10.de5 d4 =.

7.Bb5 Bf5 8.Qf3 Nge7=+ 9.Ba4 Rc8 10.Nge2 =+.

7.Bd3 Nge7 =+.

6.c4 d4

7.d3 Bf5 8.Qa4 Nd7 9.Nd2 Ne7 10.Be2 Ng6 11.Qb3 Nf4 12.Ne4 White intends c5 (12.Bf1!?+=) 12...Be4 13.de4 Be7 (13...Ng2!? 14.Kd1 Nf4–/+) 14.Bf3 0–0 (14...Qb6 15.Qc2+=) 15.g3 Ne6?? (better is 15...Ng6=) 16.c5+– Kf7 17.Bg4 (17.Bh5 g6 18.Bg4 Ndc5 19.bc5 Qa5 20.Kd1 Qa6+–) 17...Ndc5 18.bc5 Qa5 19.Kf1 Qa6 20.Be2 Qc6 21.Bc4 Bc5 22.f4 Ke7 23.Bd5 Qc7?? (better is 23...Qa6 24.Ke1 Nc7+/–) 24.Be6+– ef4 25.Nf3 fg3 (25...Rad8 26.Bd5 d3 27.Nd4 (worse is 27.Qb7 Qb7 28.Bb7 Rb8+–) 27...Bd4 28.Bd4+–) 26.Kg2 (26.hg3!? Rfd8+–) 26...gh2 27.Bf5 (27.Bd4 Rfd8 28.Bc5 Qc5 29.Rh2 h6+–) 27...g6 28.Qe6 Kd8 29.Qd5 1–0. typ48 – antoni6, kurnik, 2013.

7.d3 Bf5 8.Nd2 Bd6 9.h3 Ne7 10.Qf3 Qc8 11.c5 Bc7 12.Ne4 Be4 (12...Be6 13.Rc1 Nd5 14.Ne2+=) 13.Qe4 0–0 14.Be2 a6 15.Bf3 Nbc6 16.Qe2 Rb8 17.Qc2 Qe6 18.Ne2 Kh8 19.0–0 f5 20.Rae1 Qf6 21.Ng3 g6 22.a4 (better is 22.Bc1+=) 22...Nb4–/+ 23.Qb3 Nbc6 24.Bd5 (24.Rb1 b6–/+) 24...Nd5 25.Qd5 Rfd8 26.Qc4 h5 27.f4 h4 28.fe5 (better is 28.Ne2!?–/+) 28...Ne5–+ (28...Be5?! 29.Ne4 Qe7 30.Nd6=) 29.Re5 (29.Ne4 Nc4 30.Nf6–+) 29...Qe5 (29...Be5?! 30.Ne4 b5 31.ab5 ab5 32.Qc1–+; 29...hg3 30.Re6 Qg7 31.Rfe1+/–) 30.Nh1 Qh2 31.Kf2 Bg3 (31...Be5 32.Qf7 Rg8 33.Bc1–+) 32.Kf3 (32.Ng3 Qg3 (32...hg3 33.Kf3 Rd7 34.Bd4 Kh7 35.Be5+–) 33.Kg1 Qe3 34.Kh1 Kg7–+) 32...Be5 33.Kf2 Qf4 34.Kg1 Qe3 35.Nf2 Bg3 (35...b5!? 36.ab5 Rb5 37.Bc1–+) 36.Bc1 (36.Qf7 b6 37.Qg6 bc5 38.Qf6 Kg8 39.Qg6 Kf8–/+) 36...Qe5 37.Nh1? (37.Qf7 Qg7 38.Qc4–+) 37...Bh2 38.Kf2 Re8 (38...Re8 39.Qc2 Rbc8–+) 0–1. typ48 – cicko55, kurnik, 2013.

7.Bd3 Qc7 8.Nf3 a5 9.Qa4 Bd7 10.b5 f5 11.Bc2 =.

7.Bd3 Be6 8.Qf3 Qd7 9.Be4 Nc6 (9...Bc4 10.Bb7 Qa4 11.Ba8+–) 10.b5 (better is 10.Qe2!?=) 10...Na5–/+ 11.d3 Bc5 (11...f5 12.Bd5 Bd5 13.Qd5 Qd5 14.cd5–+) 12.Ne2 (12.Qh5 Kd8=) 12...Ne7 13.Qg3 0–0 14.Nd2 Rab8 15.h4 (15.0–0 a6 16.a4 Bb4=) 15...Qd6 16.h5 f5 17.Bf3 h6 18.0–0 b6 19.Qh4 Rf6 20.Nc1 Bc8 21.g4 (21.Ncb3 Nb3 22.Nb3 Re6=) 21...fg4 (better is 21...e4!? 22.de4 Qf4+=) 22.Ne4+= Qe6 23.Nf6 gf6 24.Bd5 (better is 24.Bg2!?+=) 24...Nd5+= 25.cd5 Qf7 26.f3 Be7 27.fg4 Qg7 28.Kh2 (28.Qg3!?=) 28...Bg4+= (28...Qg4?? 29.Rg1 Qg1 30.Kg1+–) 29.Rg1 (better is 29.d6!? Bd8 30.Rf2+=) 29...f5–/+ 30.Qf2 Qg5 31.Ne2?? (better is 31.Kg2–+) 31...Qh5 0–1. emeryt85 – cicko55, kurnik, 2013.

7.Bd3 Be6 8.Nf3 a5 9.Qe2 Qd7 10.c5 ab4 11.Bb5 =.

7.Bd3 Ne7 8.Nf3 Nbc6 9.0–0 Be6 10.Re1 Qd7 11.Qc2 =.

7.Bd3 f5= 8.Qe2 Qe7 9.Bc2 Bd7 10.f4 ef4 11.Qe7 +=.

7.Bd3 f5 =.

7.Nf3 Be6 (7...d3 8.Nc3= (8.Ne5 Qe7 9.Bd3 Nc6 10.Qh5 Kd8 11.f4=) 8...Be6 9.Qb3 Bg4 10.Ne4 Bf3 11.gf3+=; 7...Bf5 8.c5 Qd5 9.Bb5 Nc6 10.d3 Bg4 11.Nbd2+=; 7...a5 8.c5 d3 9.Nc3 ab4 10.ab4 Ra1 11.Ba1=; 7...Bg4 8.Bd3 a5 9.Be4 ab4 10.Bb7 Ra7 11.Bd5=; 7...Nc6 8.Bd3 Nge7 9.0–0 Be6 10.Re1 Rc8 11.Qa4=) 8.Bd3 g6 (8...a5 A) 9.ba5 A1) 9...Nd7 10.Qc2 (10.Qb3= Nc5 11.Qc2–+) 10...g6 11.0–0=; A2) 9...Qa5 10.Qe2 Qb6 11.Bc1=; B) 9.Qe2 Qc8 10.b5 Bd6 11.0–0=) 9.Qe2 (9.0–0 Nc6 10.Qe2 Qb6 11.Be4+=) 9...Qd7 (9...Nc6 10.0–0 Qb6 11.Be4+=) 10.0–0 Nc6 11.Re1 Bg7 12.b5 Nd8 13.a4 Ne7 14.Na3 (14.Be4 f5 15.Bc2 e4 16.Be4 d3 17.Bd3 Bb2–/+) 14...0–0= 15.Nc2 Re8 16.Nb4 (16.a5 Rc8=) 16...Bf7 (16...Rc8 17.a5=) 17.Bc2 (17.a5 Rc8+=) 17...Rc8= 18.Bb3 Nf5 19.Nd5 (19.d3!?=) 19...Ne6+= 20.d3 Nc5 21.Bc2 (21.Qd1 Bd5 22.cd5 Nb3 23.Qb3 Bh6+=) 21...Nd6 (21...Bd5 22.cd5 Qd5 23.Ba3–/+) 22.Nd2 (22.Nb4 a5 23.ba6 ba6+=) 22...f5 (22...Bd5 23.cd5 a6 24.b6+=) 23.Nb3 (23.Qf3 e4 24.de4 Nce4 25.Ne4 A) worse is 25...Re4 26.Be4 (worse is 26.Re4 Ne4 27.Bd3 Bd5 28.cd5 Qd5+=) 26...fe4 27.Nf6 Kh8 28.Ne4 Nc4 29.Rab1+/–; B) 25...Ne4?! 26.Qd3+=; C) 25...fe4 26.Nf6 Bf6 27.Qf6 Nf5 28.Be4 Qd8 29.Qd8 Red8 (worse is 29...Rcd8 30.c5+–) 30.Bb7 Rc4+/–) 23...Nb3 (23...e4 24.Nc5 Rc5 25.Ba3 ed3 26.Qd3=) 24.Bb3 Bd5 25.cd5 Rc7 (25...e4 26.Rac1+=) 26.a5 Bf6 (26...b6!?+=) 27.b6= Rc5 28.Ba4 Nb5 29.Ba3 Rd5 30.Bb3 ab6 31.ab6 (31.Qf3 Nc3 32.ab6 Re6+=) 31...Kg7 (31...Re6 32.Qf3 Nc3 33.Bc4=) 32.Bd5 Qd5 33.Bb4 (33.Qc2 e4+=) 33...e4 (33...Re6 34.Ba5+=) 34.Qa2 (34.Ra5 e3 35.Rc1 Qd7+/–) 34...Qd7 (34...Qa2 35.Ra2 Re6 36.Kf1=) 35.Rad1 (35.Qc2 e3+=) 35...e3 36.f3 (36.Qc2 Bh4 37.g3 f4=) 36...Re6 (36...Bd8 37.Bc5=) 37.Rc1 (37.Qa5 Bh4 38.g3 Bf6=) 37...Rb6+= 38.Qa8 Threatening mate... how? 38...Rc6?? (better is 38...Be7 39.Be7 Qe7+=) 39.Rc6 (39.Qf8) 39...bc6 (39...Be7 40.Be7 Qe7+–) 40.Ra1 (40.Qf8) 40...g5 41.Ra6 Exerts pressure on the backward pawn 41...Be7 (41...e2!? 42.Qf8 Kg6 43.Qg8 Bg7+=) 42.Be7+= Qe7 43.Qc6 (43.Rc6 e2 44.Qh8 Kh8 45.Rc8 Kg7 46.Rg8 Kg8 47.h3 e1Q 48.Kh2 Q7e5 49.f4 Qf4 50.g3 Qfg3) 43...Nc7 With the decisive threat e2 44.Qd6 (44.Ra1 f4+=) 44...Kf7= 45.Qe7 Ke7 46.Rh6 Ne6 47.Rh7 Kd6 48.Ra7 Nf4 49.Ra3 Kc5 (49...Ke5+=) 50.Rb3 (50.Ra5!? Kb4 51.Rf5 Nd3 52.Kf1= (52.Rg5?? e2 53.Re5 Ne5–+)) 50...Ne2= 51.Kf1 Nc1 52.Rb8 Nd3 53.g3 (53.Rg8 Kc4 54.Rg5 Kc3+=) 53...Ne5+= 54.Rf8 d3 55.Rf5 Kd4 (55...Kd6 56.h4 (56.Rg5?? Nf3 57.Rg6 Kd5–+) 56...Ke6 57.Rf8 (57.Rg5 e2 58.Kf2 Nf3–+) 57...gh4 58.gh4+=) 56.h4 (56.h3 g4 57.fg4 Nc4+=) 56...gh4 (56...Nc4 57.Rg5 (57.hg5?? d2 58.Ke2 Nb2 59.Rf4 Kc3 60.Ke3 d1Q–+) 57...Nd2 58.Kg2–+) 57.gh4= Nc4 58.Rf8 Kc3 (better is 58...Na3+=) 59.h5?? (better is 59.Ke1=) 59...Kc2 60.Rd8 Nd2?? (60...Kd2 61.Re8 Nd6+=) 61.Kg2+= e2 (61...Nb3 62.h6 e2 63.h7=) 62.Re8= Kd1 63.h6 Nf3?? (63...e1Q 64.Re1 Ke1+–) 64.h7 (better is 64.Kf3 d2 65.Re2+–) 64...Nh4+= 65.Kf2 Ng6 66.Re6 Nh8 67.Ra6?? (better is 67.Re3 Kd2 68.Re8–/+) ½–½. Riedel,F – Rasch,Holger, Hessenliga, 1995.

6.d4 Nc6

7.de5 Be7 8.Nf3 Bf5 9.Bb5 a6 10.Nd4 Qc8 11.Ba4 Bg4 12.Nc6 Bd1 13.Na7 Qd7 14.Bd7 Kd7 15.Kd1 fe5 +/–.

7.de5 fe5

8.b5 Qb6

9.Nc3 Bc5 10.Qh5 g6 11.Qe2 =.

9.Qd5 Nf6= 10.Qd2 Ne4 11.Qe2 Bc5 12.Qe4 Bf2 13.Kd1 Bg1 14.Nd2 =.

8.Bb5 Bd6

9.Bc6 bc6 10.Be5 Qe7 11.f4 a5 +=.

9.Nf3 Bg4 10.0–0 Nf6 11.c4 dc4 12.Nbd2 c3 13.Bc3 +=.

9.Nf3 Bg4 10.0–0 Nf6 11.c4 d4 12.Re1 0–0 13.c5 Bc7 +=.

6.d4 e4

7.Bb5 Nc6 8.c4 (8.Qh5 g6 9.Qe2 a5=) 8...Nge7 (8...Be6 A) 9.Qa4= Qd7 (9...Nge7 10.cd5 Qd5 11.Ne2 Qg5 12.0–0 0–0–0 13.Bc6+/–) 10.cd5 Bd5 11.Nc3 a6 12.Rc1 Nge7 13.Nd5+=; B) 9.cd5 Qd5 (9...Bd5 10.Nc3 a5 11.Nd5 Qd5 12.Qa4 Bd6 13.ba5+=) 10.Nc3 Qg5 11.g3 Rd8 12.Qa4 Bd7 13.Bc6+=; C) 9.Nc3 a5 (9...a6 10.cd5 Bd5 11.Qh5 Bf7 12.Bc6 bc6 13.Qe2+=) 10.cd5 Bd5 11.Nd5 Qd5 12.Qa4 Bd6 13.ba5+=; 8...a6 9.Ba4 (9.Bc6 bc6 10.Nc3 Ne7 11.Nge2 a5 12.ba5 Qa5 13.0–0=) 9...dc4 10.d5 b5 11.dc6 ba4 12.Nd2 Qd5 13.Rc1=) 9.Nc3 (9.cd5 Nd5 10.Qc2 Kf7 11.Bc6 bc6 12.Qc6 Be6 13.Ne2=) 9...f5 (9...dc4 10.Bc4 (10.d5 a6 11.dc6 ab5 12.Qh5 g6 13.cb7+=) 10...Bf5 11.Qb3 (11.d5+= Ne5 12.Qb3 Nc8 13.Bb5=) 11...Qb6 12.Rd1 0–0–0 13.Nce2+/–; 9...a6 10.cd5 ab5 11.dc6 bc6 12.Ne4 Qd5 13.Qf3+=) 10.c5 (10.Nge2 A) 10...dc4 11.Bc4 (11.d5 a6+= 12.Ba4 b5 13.Nb5+=) 11...Bd7 12.Qb3 Qb6 13.Rd1+/–; B) 10...a6 11.Ba4 dc4 12.d5 b5 13.Nb5+=; 10.Qa4 Qd6 11.Nge2 Be6 12.c5 Qb8 13.Bc1+=) 10...g6 (10...a6 11.Ba4 (11.Qa4= f4 12.Bc1 g5 13.h4=) 11...g6 12.Nge2 Bh6 13.Bc1+=) 11.Qd2 (11.Nge2 Bg7+= 12.0–0 0–0 13.Bc1=) 11...Bg7= 12.Nge2 0–0 13.Ba4 (13.0–0 a5=) 13...a6 (13...a5 14.b5 Nb8 15.0–0+=) 14.Bb3 (14.0–0 b5 15.Bb3 Be6=) 14...Be6 (14...a5 15.b5 a4 16.Ba4+= (16.bc6 ab3 17.cb7 Bb7+=)) 15.Na4 (15.0–0 Qc7=) 15...Nc8 (15...Rc8 16.0–0=) 16.Nf4 Bf7 (16...Re8=) 17.g3 (better is 17.0–0!?=) 17...g5+= 18.Ng2 Bh5 19.h4 (19.Nc3 Bf7 (worse is 19...Bd4 20.Nd5 Bb2 21.Qb2+=) 20.Ne2 b6=) 19...Bf3 20.Rh2 f4 (20...g4!?+=) 21.hg5= e3 22.Qd3 (22.Qe3 fe3) 22...ef2–/+ 23.Kf2?? (better is 23.Kf1 fg3 24.Qh7 Kf7 25.Rh4 Qg5 26.Bc1–/+) 23...fg3–+ 24.Kg3 (24.Kg1 gh2 25.Kh1 Qg5–+) 24...Qg5 25.Kh3 (25.Kf2 Be4 26.Ke2 Bd3 27.Kd3 Qg3 28.Ne3 Qh2 29.Bd5 Kh8 30.Rh1–+) 0–1. Huelle,Gunter – Langer,Wolfgang, Leipzig VfB op 4th, 1997.

7.c4 Be6 8.Nc3 dc4 9.Qh5 Bf7 10.Qb5 Qd7 11.Bc4 Bc4 12.Qc4 f5 13.f3 Nf6 14.fe4 Ne4 15.Ne4 fe4 16.Ne2 Nc6 17.d5 Ne7 18.Rd1 (18.Qe4?! Qd5 19.Qd5 Nd5+/–) 18...Rc8 (better is 18...Nf5 19.Qe4 Be7+–) 19.Qe4 g6 (19...Qd6+–) 20.Bh8 Bh6 (20...Kf7+–) 21.d6 (21.d6 b5 22.0–0+–) 1–0. marre (2060) – NN, GameColony.com, 2003.

7.c4 Be6 8.cd5 Bd5 9.Nc3 f5 10.Rc1 Bf7 11.Bb5 (11.Qa4!? Ke7 12.d5+/–) 11...Nd7= 12.d5 Ngf6 13.Nge2 Bd6 14.Nd4 g6? (better is 14...0–0+=) 15.Ne6+– Qb8 (15...Qe7 16.Na4 Bb4 17.ab4 Be6 18.Bf6 (18.de6?! Qb4 19.Qd2 Qb5 20.ed7 Nd7+–) 18...Qb4 19.Bc3 Qb5 20.de6+– (20.Bh8?! Qd5 21.Qe2 Kf7+–)) 16.Bd7 Kd7 17.Nb5 Be6 18.de6 (worse is 18.Bf6 Rf8 19.Nd6 Rf6 20.de6 Ke6+–) 18...Ke6 19.Bf6 Kf6 20.Qd6 (20.Nd6 Rd8 21.Qd4 Ke6 22.Qc4 Kd6+–) 20...Qd6 21.Nd6 b6 22.Ke2 Rhd8 23.Rc6 Kg7 24.Rhc1 Rd7 25.Nb5 (25.Rc7!? Rc7 26.Rc7 Kf6+–) 25...Rad8 26.Rc7 a6 27.Rd7 Rd7 28.Rc7 Rc7 29.Nc7 a5 30.ba5 (better is 30.b5!? Kf6 31.Nd5 Ke6 32.Nb6 Kd6 33.Nc4 Kc5+–) 30...ba5 31.Kd2 (better is 31.Ne8!? Kf7 32.Nd6 Ke6+–) 31...Kf6 32.Nb5 Ke5 33.Kc3 f4 (33...Kd5 34.Kb3+–) 34.a4 g5 35.Na3 g4 36.Nc4 Kf5 37.Na5 h5 38.Nc4 Ke6 39.a5 (39.Kd4 f3 40.g3 Kd7+–) 39...Kd7 (39...Kd5 40.a6 Kc6 41.Kd4+–) 40.Kd4 f3 41.gf3 ef3 42.Ke4 h4 43.Kf4 g3 44.Kf3 gh2 (44...gh2 45.Kg2 h1Q 46.Kh1 Kc6+–). typ48 – cicko55 (1620), kurnik, 2013.

7.c4 f5 8.cd5 Nf6 9.Nc3 a6 10.Bc4 Bd6 11.Nge2 0–0 12.h3 b5 13.Bb3 Bb7 14.0–0 Nbd7 15.f3 ef3 16.Rf3 g6 17.Nf4 Bf4 18.Rf4 Nb6 The pressure on the isolated pawn grows 19.Qf3 (19.Qf1 Nfd5 20.Rc1 Rc8=) 19...Qd6 (19...Nh5 20.d6 Kh8 A) worse is 21.Qb7 Nf4 22.Re1 Rb8= (22...Qd6? 23.Re7 Nh3 24.gh3 Qg3 25.Qg2 Qg2 26.Kg2+–); B) 21.d5 Nf4 22.Ne2 Kg8 23.Nf4+/–) 20.Rf1 Rac8 21.g4 Nfd5 22.Bd5 (22.gf5 Kh8 23.Bd5 Nd5 24.Rg4 gf5 25.Rg2–/+) 22...Bd5 23.Nd5 Qd5 (better is 23...Nd5!? 24.Qb3 Rc4+=) 24.gf5+= Qf3 25.R4f3 Nc4 26.Bc1 gf5 (26...Nd6!?+=) 27.Rf5+/– Rf5 28.Rf5 Rd8 29.d5 (29.Rf4 a5+/–) 29...Rd7 (29...Nb6 30.Bh6+=) 30.Kg2+/– Rg7 31.Kf2 Rf7 32.Rf3 (32.Rf7 Kf7 33.Kf3 Kg6+–) 32...Ne5? (better is 32...Nb6+=) 33.Rf7+– Kf7 34.Ke3 Kf6 35.Ke4 Nc4 36.h4 h5 37.Kd4 Ke7 38.Kc5 Kd7 39.d6?? (better is 39.a4 Nd6 40.a5+–) 39...Nd6= 40.Kb6 Nc4 41.Ka6 Kc6 42.Ka7 Nb6 43.Be3 Nc4 44.Bc1 Ne5 45.Kb8 (45.a4 ba4 46.Ka6 Nc4 47.b5 Kc7 48.Bf4 Kd7=) 45...Kd5 (better is 45...Nf3 46.Ka7 Nh4–/+) 46.Kc7+= Kc4 47.Kd6 Nd3 48.Bd2 Nb2 49.Kc6 Nd3 50.Kb6 Nb4 (50...Nb4 51.ab4 Kd3 52.Kb5 Kd2+–). emeryt85 – andrzejidea, kurnik, 2013.

7.c4 Nh6 8.Nc3 (8.Qh5 g6 9.Qd5 Qd5 10.cd5 a5 11.ba5 Ra5 12.Nc3 f5+/–) 8...Be6 (8...dc4 9.Qh5 g6 10.Qd5 Qd5 11.Nd5 Kd8 12.Bc4 Nd7+/–) 9.cd5 Bd5 (9...Bg4 10.Be2 Bf5 11.Bb5 Kf7 12.Qe2 a6+/–) 10.Qh5 Bf7 11.Qb5 Qd7 12.Ne4 Be7 (12...Nc6+/–) 13.Qd7 Nd7 14.Rc1 Kd8 15.Bd3 Re8 16.Ne2 Bg6 17.f3 f5 (17...a5 18.b5+/–) 18.Nc5+– (18.Nc5 Bc5 19.dc5+– (19.Rc5?! Nc5 20.dc5 Re7+=)) 1–0. marus1 – Gunn, internet, 2001.

5.Qh5 g6

6.Qh4 de4 7.Bc4 Be7 8.Nc3 =+.

6.Qh4 de4 7.Qe4 Bf5 8.Qc4 a5 9.Nf3 b5 10.Qb3 a4 11.Qe3 Bh6 12.Qe2!? =.

4.a3 Bd6

5.Bc4 a5!?+= 6.b5 (6.Bg8 Rg8 7.Qh5 Ke7 8.b5 Rh8 9.d4 ed4+=; 6.Qh5 g6 7.Qh3 Qe7 8.Qb3 Nh6 9.b5 Bc5+=) 6...Ne7 7.Qh5 Ng6 8.Nf3 cb5 9.Nh4 Ke7 +/–.

5.Bc4 Qe7 6.Bb3 (6.Nf3 b5 7.Bb3 a5 8.c3 Bc7 9.0–0 f5+=; 6.c3 Bc7 7.d3 d6 8.Nf3 f5 9.0–0 Nf6+=; 6.Nc3 b5 7.Bg8 Rg8 8.Qh5 g6 9.Qe2 a5=; 6.d3 b5 7.Bb3 a5 8.c3 Bc7 9.Nf3 d6+=; 6.Ne2 b5 7.Ba2 a5 8.Ng3 Bc7 9.0–0 d6+=) 6...a5 7.c3 ab4 8.ab4 Ra1 9.Ba1 Bc7 +=.

5.d4 A) 5...Qe7 6.Nd2 (6.Qh5 g6 7.Qf3 ed4 8.Bd4 Be5 9.Be5 Qe5=; 6.Bd3 ed4 7.Bd4 Be5 8.Be5 fe5 9.Nf3 d5+=) 6...ed4 7.Bd4 a5 8.c3 ab4 9.cb4 Bf4+=; B) 5...ed4 6.Bd4 Qe7 7.Nd2 a5 8.c3 ab4 9.cb4 Bf4+=.

5.Bc4 Ne7

6.Qh5+/– g6 7.Qh4 Rf8 8.Qh7 b5 9.Bb3 Bc7 +/–.

6.Qh5+/– Ng6

7.Nf3 b5 8.Nh4+– Ke7 9.Nf5 Kf8 +–.

7.Nf3 Qe7 8.Nh4 Kd8 9.Ng6 Qe8 +/–.

7.h4 b5 8.Bb3 a5 9.ba5 Bc5 =.

7.h4 Bc7 8.Nc3 b5 9.Ba2 Na6 (9...Bb6!?+=) 10.Nge2+/– Qe7 11.Ng3 d6 12.Nf5 Bf5? (better is 12...Qf8+/–) 13.ef5+– (13.Qf5?! Nf4 14.g3 g6+=) 13...0–0–0 14.fg6 hg6 15.Qg6 d5 16.Bb3 Rh6 17.Qg4 Kb8 18.a4 ba4 19.Ra4 Kb7 (19...f5 20.Qf5 Nb4 21.Qg4+–) 20.b5 d4 (20...cb5 21.Bd5 Kb8 22.Ra6 f5 23.Ra7 Ka7 (23...fg4?? 24.Ra8) 24.Nb5 Kb6+–) 21.Ba3 Bd6 (21...c5 22.Nd5 Qd7 23.ba6 Kb8 24.Qd7 Rd7 25.Bc5+–) 22.bc6 Kc6 (22...Ka8 23.Nd5 f5 24.Qf5 Rf8 25.Ne7 Rf5 26.Nf5 Ba3 27.Ra6 Kb8 28.Nh6 Bc5+–) 23.Bd6 Rd6 24.Qc8 Qc7 25.Ra6 Kc5 26.Qc7 (26…Rc6 27.Qc6 Kb4 28.Nd5#) 1–0. Trkn – guest1064, ICC, 2004.

7.h4 Be7 8.Nc3 d6 (8...b5 9.Bb3= a5=) 9.Nge2 (9.Nf3 b5=) 9...Nd7 (9...b5 10.Bb3=) 10.f4 (10.Be6 Nb6 11.Bf5 Kf7+=) 10...ef4 (10...Nb6 11.Bb3 f5 12.ef5 Bf5 13.Qf5+–) 11.Nf4+= Ndf8 12.Nce2 Bd7?? (better is 12...b5 13.Bb3 Qd7+=) 13.Ng6+– Ng6 14.Nf4 (14.Nf4 Bg4 15.Qg4 Nf4 16.Qf4+–) 1–0. Wolfram,Reinhard – Mennie,Alec Norman, corr 3GMM–47, 1995.

4.a3 Ne7

5.Nf3 d5= 6.Nc3 (6.ed5 Nd5 (6...cd5 7.Be2 Bf5 8.d4 e4 9.Nfd2 Nbc6 10.0–0=) A) 7.Nc3 a5 (7...Nc3 8.Bc3 Bd6 9.Bc4 Bg4 10.0–0=) 8.b5 Bg4 9.h3 Bh5 10.Ne4= (10.g4); B) 7.d4 ed4 8.Bd4 Bd6 (8...Qe7 9.Qe2 Qe2 10.Be2) 9.c4 Qe7 10.Qe2=) 6...d4 7.Nb1 (7.Na2 a5 A) 8.Be2 Ng6 (8...Be6 9.0–0 ab4 10.Nb4=) 9.0–0 Na6 10.Ba6+= (10.ba5); B) 8.Nc1 Be6 9.Nd3 Nd7 10.c3=) 7...Bg4 (7...Be6 8.Be2= A) 8...a5 9.b5 (9.0–0 Na6 10.Re1+=) 9...Ng6 (9...Nd7 10.c3) 10.0–0=; B) 8...Nc8 9.0–0 a5 10.b5+=; 7...Ng6 8.Bc4 Qd7 (8...a5 9.ba5 Qa5 10.0–0) 9.0–0 b5 10.Bb3=) 8.Bc4 (8.Be2 Be6 9.0–0 Qd6 10.Bc1=) 8...Nd7 (8...Nc8 A) 9.Ba2= d3 10.0–0= (10.cd3); B) 9.0–0 Nd6 10.Bd3= (10.Be2)) 9.d3 (better is 9.Ng5! fg5 10.Qg4+=) 9...Nb6= 10.Bb3 Ng6 11.h3 Bf3 12.Qf3 a5 13.ba5 Na4 14.Ba4 (14.Bc1 Qa5 15.Bd2 Qc7=) 14...Qa5 15.Kf1 (better is 15.c3!? Qa4 16.cd4+=) 15...Qa4–/+ 16.Qd1 Bd6 17.g3 0–0 18.Kg2 c5 (18...f5 19.ef5 Rf5 20.Nd2–/+) 19.c3+= c4 (19...Qd7!?+=) 20.Qa4 Ra4 21.Rd1 cd3 22.Rd3 Bc5 23.Nd2 Rfa8 24.cd4 ed4 (24...Bd4 25.Rb1=) 25.Nf3 (25.Nb3!? b6 26.f4+= (worse is 26.Nd4 Rd8–/+)) 25...Ne5+= 26.Ne5 fe5 27.Rb3 b6 28.Rb1 (28.f4 Kf7+=) 28...Kf7 29.h4 Ke6 30.f4 h6 (30...R8a6 31.Kf2+=) 31.Bc1 R8a6 (31...Rc4 32.Kf3+=) 32.f5 (32.h5 Rc4=) 32...Kd6 33.h5 (33.Rd3 Rc4+=) 33...Kc6 34.f6 Ba3?? (better is 34...gf6 35.Bh6 Ra3 (worse is 35...Ba3 36.Bg7+–) 36.Ra3 Ra3= (worse is 36...Ba3 37.Bg7+/–)) 35.fg7+– Ra8 36.Ba3 (36.Ba3 R4a6 37.Bf8+–) 1–0. urko – TeaCzar, ChessWorld.net, 2009.

5.d4 ed4

6.Bd4 d5

7.Nc3 A) 7...Be6 A1) 8.Qe2 Kf7 (8...de4 9.Rd1 Nf5 10.Bc5 Nd7 11.Ne4 Kf7+/–; 8...Qd7 9.Rd1 a5 10.b5 Ng6 11.Na4 Ba3+/–; 8...Qc8 9.Rd1 de4 10.Ne4 Nf5 11.Nf3 Na6+/–; 8...a5 9.ed5 Bf5 10.b5 Kf7 11.g4 Bc8+=) 9.Rd1 a5 10.Qh5 Kg8 11.b5 Qc8=; A2) 8.Be2 a5 (8...f5 9.ed5 Nd5 10.Bh5 Bf7 11.Bf7 Kf7+/–; 8...de4 9.Ne4 Nf5 10.Bh5 Bf7 11.Bf7 Kf7+=; 8...Nd7 9.Nf3 de4 10.Ne4 Nf5 11.0–0 Be7+=; 8...Kf7 9.Nf3 de4 10.Ne4 Nf5 11.0–0 Be7+=) 9.Bh5 Ng6 10.ed5 Bd5 11.Qe2 Kf7=; A3) 8.Nf3 de4 (8...a5 9.b5 de4 10.Ne4 Nf5 11.Be2 Be7=) 9.Ne4 Nf5 10.c4 Be7 11.Be2 a5=; A4) 8.ed5 Nd5 9.Qe2 Qe7 10.Nd5 Bd5 11.Qe7 Be7+=; A5) 8.Qh5 g6 (8...Bf7 9.Qe2 de4 10.Rd1 Nd5 11.Ne4 Be7+–; 8...Kd7 9.ed5 Nd5 10.Nd5 Bd5 11.c4 Qe7+=) 9.Qe2 Kf7 10.Nf3 Bg7 11.0–0–0 Re8+=; B) 7...de4 8.Ne4 Bf5 (8...Qd5 9.Qd3 Nf5 10.Bc3 Qe6 11.0–0–0 Nd7+=; 8...Nd5 9.Qh5 g6 10.Qe2 Kf7 11.c4 Nf4+=) 9.f3 Ng6 10.Qd3 Qe7 11.Rd1 a5=; C) 7...a5 C1) 8.Qh5 Ng6 (8...g6 9.Qh4 Bg7 10.Rd1 ab4 11.ab4 0–0+=) 9.ed5 ab4 10.Bd3 f5 11.Qe2 Be7–/+; C2) 8.ed5 ab4 (8...Nd5 9.Qh5 g6 10.Qe2 Kf7 11.Nd5 cd5+=; 8...Bf5 9.ba5 Nd5 10.Rb1 Qa5 11.Qh5 Bg6=) 9.ab4 Ra1 10.Qa1 Nd5 11.Nd5 Qd5=; C3) 8.Nf3 ab4 (8...Bg4 9.b5 de4 10.Ne4 Nf5 11.Bb2 Nd6=; 8...de4 9.Ne4 ab4 10.ab4 Ra1 11.Qa1 Bg4=) 9.ab4 Ra1 10.Qa1 Ng6 11.Qa7 de4=; C4) 8.Nge2 ab4 (8...de4 9.Ne4 Nf5 10.Bc5 Bc5 11.Qd8 Kd8=; 8...Ng6 9.ed5 ab4 10.ab4 Ra1 11.Qa1 Bb4=; 8...b5 9.Nf4 de4 10.Ne4 Bf5 11.Nc5 Bc2=; 8...b6 9.ed5 ab4 10.ab4 Ra1 11.Qa1 Nd5=) 9.ab4 Ra1 10.Qa1 de4 11.Ne4 Nf5+=; C5) 8.b5 de4 (8...Be6 9.Nf3 de4 10.Ne4 Nf5 11.c3 Nd7=) 9.Ne4 Qd5 10.Nc3 Qe6 11.Qe2 Nf5=.

7.Nd2 A) 7...Be6 A1) 8.Ngf3 de4 (8...a5 9.b5 de4 10.Ne4 Nf5 11.Be2 Be7=; 8...Ng6 9.ed5 Bd5 10.c4 Be6 11.Be3 Be7+=; 8...b6 9.Bd3 de4 10.Ne4 Nf5 11.Ng3 Nd4+=) 9.Ne4 Nf5 10.c4 a5 11.b5 cb5=; A2) 8.Be2 a5 (8...de4 9.Ne4 Nf5 10.Bh5 Bf7 11.Bf7 Kf7+=; 8...Ng6 9.Ngf3 a5 10.b5 de4 11.Ne4 Nf4+=; 8...f5 9.ed5 Nd5 10.Ngf3 a5 11.c4 Nf4+=; 8...Kf7 9.Ngf3 de4 10.Ne4 Nf5 11.0–0 Be7+=) 9.b5 de4 10.Ne4 Nf5 11.Nf3 Bd5=; A3) 8.Ne2 Ng6 (8...de4 9.Ne4 Nf5 10.Bc5 Bd5 11.Bf8 Be4+=; 8...Qc7 9.ed5 Nd5 10.c4 Nb6 11.Qc2 N8d7=; 8...Nd7 9.Nf4 Bf7 10.ed5 Nd5 11.Qe2 Qe7+=) 9.Be3 a5 10.Nd4 Bf7 11.ed5 ab4=; A4) 8.c3 a5 (8...de4 9.Ne4 Nf5 10.Nf3 Bd5 11.Bd3 Be7+=; 8...Nd7 9.Bd3 Qc7 10.Ngf3 c5 11.bc5 Nc5+=; 8...Ng6 9.Ngf3 Qe7 10.Bc5 Qc7 11.Be3 de4+=) 9.Bd3 ab4 10.ab4 Ra1 11.Qa1 Ng6=; A5) 8.c4 de4 9.Ne4 Nf5 10.Bc3 Nd6 11.Qh5 Bf7+=; B) 7...a5 B1) 8.Qh5 Ng6 (8...g6 9.Qh4 Bg7 10.Ngf3 0–0 11.Rd1 b5=) 9.ed5 ab4 10.ab4 Ra1 11.Ba1 Bb4+=; B2) 8.Ngf3 de4 (8...ab4 9.ab4 Ra1 10.Qa1 Bg4 11.e5 Nf5+=; 8...Bg4 9.h3 Be6 10.Bd3 Ng6 11.e5 Nf4=; 8...Be6 9.Bd3 Ng6 10.ba5 Nf4 11.0–0 Ra5=; 8...b5 9.Bd3 de4 10.Be4 Nf5 11.c3 Bd6+=) 9.Ne4 ab4 10.ab4 Ra1 11.Qa1 Bg4=; B3) 8.Ne2 ab4 (8...de4 9.Bb6 Qd5 10.Ba5 Bg4 11.h3 Bh5=; 8...b6 9.Nf4 ab4 10.ab4 Ra1 11.Ba1 de4+=; 8...b5 9.Nf4 de4 10.Ne4 Bf5 11.Nc5 Bc2=; 8...Ng6 9.c3 ab4 10.ab4 Ra1 11.Qa1 Bd6=) 9.ab4 Ra1 10.Qa1 de4 11.Ne4 Nf5+=; B4) 8.c3 de4 (8...ab4 9.ab4 Ra1 10.Qa1 de4 11.Qa7 e3=; 8...Be6 9.Bd3 ab4 10.ab4 Ra1 11.Qa1 Ng6=; 8...Ng6 9.Ngf3 ab4 10.ab4 Ra1 11.Qa1 Nf4=; 8...Nd7 9.Qh5 g6 10.Qe2 Bg7 11.ed5 cd5=) 9.Ne4 ab4 10.ab4 Ra1 11.Qa1 Nf5=; B5) 8.b5 de4 (8...Be6 9.Ngf3 de4 10.Ne4 Nf5 11.c3 Nd7=; 8...Ng6 9.ed5 Qd5 10.Ngf3 Qe6 11.Be3 Bc5=; 8...Nd7 9.Qh5 g6 10.Qh4 Bg7 11.Ngf3 c5+=; 8...cb5 9.Bb5 Kf7 10.Qh5 g6 11.Qh4 Bg7+=) 9.Ne4 Qd5 10.Nc3 Qe6 11.Qe2 Nf5=; C) 7...Ng6 C1) 8.Qe2 Be7 (8...de4 9.Qe4 Qe7 10.c3 Bf5 11.Qe7 Be7=; 8...a5 9.ed5 Be7 10.Nc4 Nf4 11.Qd2 Nd5+=; 8...Kf7 9.ed5 cd5 10.Qh5 Nc6 11.Nb3 a5=; 8...Be6 9.Qe3 Kf7 10.Ba7 Bd6 11.Ngf3 Bf4+=) 9.Qe3 a5 10.ba5 Qa5 11.Bb6 Qa4=; C2) 8.ed5 a5 (8...Qd5 9.Ngf3 Qe6 10.Be3 Nf4 11.Nd4 Qe5+=; 8...Nf4 9.c4 cd5 10.Be3 Qe7 11.Qf3 Ng2+=; 8...Qe7 9.Be3 cd5 10.Nb3 Qe4 11.Nf3 Ne5+=) 9.Qh5 ab4 10.ab4 Ra1 11.Ba1 Bb4+=; C3) 8.Qf3 a5 9.c3 ab4 10.cb4 Be6 11.Qe3 Kf7=; C4) 8.Rb1 de4 (8...a5 9.ed5 ab4 10.ab4 Nf4 11.c4 cd5+=; 8...Be6 9.Ngf3 de4 10.Ne4 a5 11.Qe2 Qc8+=; 8...Nf4 9.Be3 Bd6 10.Ne2 Ne2 11.Be2 Be5+=; 8...Qe7 9.Qe2 Be6 10.Qe3 a5 11.Bc5 Qd7+=) 9.Ne4 a5 10.c3 ab4 11.ab4 Be6=; C5) 8.Ngf3 a5 (8...de4 9.Ne4 Bg4 10.c3 f5 11.Ng3 Qe7+=; 8...Nf4 9.Be3 de4 10.Bf4 ef3 11.Qf3 Qe7+=) 9.c3 Nf4 10.Be3 Bd6 11.g3 ab4=; D) 7...Nd7 D1) 8.Qe2 a5 (8...Kf7 9.Rd1 a5 10.b5 Ng6 11.ed5 cd5+=; 8...Qc7 9.ed5 cd5 10.c4 a5 11.b5 b6+=; 8...Nb6 9.Rd1 a5 10.Qh5 Ng6 11.ba5 Ra5+=; 8...Ne5 9.Be5 fe5 10.ed5 Qd5 11.Ngf3 Ng6+/–) 9.ed5 cd5 10.b5 Kf7 11.Qf3 Qc7=; D2) 8.Qh5 g6 9.Qe2 Bg7 10.ed5 cd5 11.Ngf3 0–0=; D3) 8.Ngf3 a5 (8...de4 9.Ne4 Nf5 10.Bb2 Be7 11.Bc4 Nb6+=; 8...b6 9.Bd3 c5 10.Bb2 Ng6 11.0–0 Nf4+/–; 8...f5 9.Ng5 Nf6 10.Bf6 gf6 11.Qh5 Kd7+/–) 9.Qe2 ab4 10.ab4 Ra1 11.Ba1 Kf7=; D4) 8.ed5 Nd5 9.Qh5 g6 10.Qe2 Kf7 11.Ne4 Bh6+=; D5) 8.Bd3 a5 (8...c5 9.bc5 Nc6 10.ed5 Nd4 11.Qh5 g6+=) 9.Ngf3 Ng6 10.ed5 ab4 11.0–0 cd5+=; E) 7...de4 8.Ne4 Qd5 (8...Bf5 9.f3 Ng6 10.Qd3 Qe7 11.Rd1 a5=; 8...Nd5 9.Qh5 g6 10.Qe2 Kf7 11.Rd1 Qc7+/–) 9.f3 Nf5 10.Bf2 a5 11.c3 Nd6=.

7.ed5 Qd5 A) 8.Nf3 a5 (8...Nf5 9.Qe2 Qe6 10.Nbd2 Qe2 11.Be2 Nd4=; 8...Bg4 9.Nbd2 Nf5 10.Bb2 Qe6 11.Qe2 Qe2+=; 8...Qd6 9.Bd3 a5 10.ba5 Bg4 11.Nbd2 Ra5+=; 8...Ng6 9.Nc3 Qe6 10.Be3 a5 11.Nd4 Qe5+=) 9.c4 Qe6 10.Be2 ab4 11.0–0 ba3=; B) 8.c4 Qe6 (8...Qe4 9.Ne2 Nf5 10.Nd2 Qe6 11.Bc3 Be7=; 8...Qd7 9.Be2 Nf5 10.Bh5 Kd8 11.Ne2 Nd4=) 9.Qe2 Nf5 10.Nf3 Nd4 11.Nd4 Qe2=; C) 8.c3 Qe6 (8...Nf5 9.Nf3 Bd6 10.Nbd2 Nd4 11.Nd4 b5=; 8...Bf5 9.Nf3 a5 10.Be2 ab4 11.cb4 Bb1+=; 8...a5 9.Nd2 ab4 10.ab4 Ra1 11.Qa1 Nf5=; 8...Nd7 9.Nf3 Nf5 10.Bd3 Nd4 11.cd4 Qe6=) 9.Qe2 Nf5 10.Nf3 a5 11.Ra2 ab4+=; D) 8.Nc3 Qe6 9.Be2 Nf5 10.Nf3 Nd4 11.Nd4 Qe5+=.

7.ed5 Nd5 8.Nc3 (8.Qh5 g6 9.Qh4 Be7 10.c4 f5 11.Qh6 Nf6=; 8.c4 Nf4 (8...Qe7 9.Ne2 Nc7 10.Nd2 Nd7 11.c5 b6=) 9.Nc3 Bf5 10.Nf3 a5 11.c5 Nd7=; 8.Qe2 Kf7 (8...Be7 9.Nf3 0–0 10.Qd2 b5 11.c4 Re8=; 8...Qe7 9.Nc3 Nc3 10.Bc3 Be6 11.Nf3 Nd7=) 9.Qh5 g6 10.Qh4 Bg7 11.c4 Ne7=; 8.Qd2 c5 (8...Be6 9.c4 Nb6 10.Qe3 Kf7 11.Nd2 Bd6=; 8...Qe7 9.Be2 Bf5 10.Nf3 Qe4 11.c4 Nb6+– 1.53; 8...Bf5 9.c4 Qe7 10.Be2 Nb6 11.c5 Nc4=; 8...Bd6 9.c4 Qe7 10.Qe2 Nf4 11.Qe7 Be7=) 9.Bb5 Bd7 10.Qe2 Qe7 11.Bc5 Qe2=) 8...Qe7 (8...Nc3 9.Bc3 Qe7 10.Qe2 Be6 11.Nf3 Nd7=; 8...Be7 9.Qh5 g6 10.Qh4 a5 11.Nd5 Qd5=; 8...Nf4 9.Be3 Qc7 10.Nge2 Ng6 11.Nd4 a5+=; 8...Be6 9.Qe2 Qe7 10.Nd5 Bd5 11.Qe7 Be7+=) 9.Be2 (9.Qe2 Nc3 10.Bc3 Be6 (10...Bf5= 11.0–0–0 a5+=) 11.Nf3 Nd7=) 9...Nf4 10.g3 (10.Kf1 a5 11.b5 Be6=) 10...Ne2 11.Nge2 Bh3 12.Bc5 Qd7 13.Bf8 Rf8 14.Nf4 Bg4 15.f3 (15.Qd7 Nd7 16.h3 Bf3=) 15...Qd1+= 16.Nd1 (16.Kd1? Bf3 17.Kd2 Bh1–+) 16...Bf3 17.0–0 Bg4 18.Ne3 Bc8 (18...Bd7 19.Nc4 b5 20.Nd6 Kd8 21.Rfe1=) 19.Nc4= g5 (19...Kf7 20.Nd6 Ke7 21.Rad1=) 20.Rfe1 Kf7 21.Nd6 Kg8 22.Ne6 Be6 23.Re6 b6 24.Rd1 Nd7 (24...g4 25.Ne8 Nd7 26.Nc7=) 25.Ne4+= Rae8 26.Rc6 Re4 27.Rd7 Rf7 28.Rc8 Kg7 29.Rcc7 Rd7 30.Rd7 Kg6 31.Ra7 Re1 32.Kf2 Rh1 33.Kg2 Rc1 34.Rc7 ½–½. Rosner,Dirk – Van Esbroeck,Jeff, email SOK–99–E006B, 1999.

7.Qh5 A) 7...g6 A1) 8.Qe2 Kf7 (8...Bg7 9.Nc3 0–0 10.Qd2 Re8 11.0–0–0 a5=) 9.Nf3 a5 10.Qd1 Bg7 11.Nc3 Re8=; A2) 8.Qf3 Bg7 (8...Nd7 9.Nc3 a5 10.Rd1 ab4 11.ab4 Bg7+=) 9.ed5 Qd5 10.Qd5 Nd5 11.c4 Nf4=; A3) 8.Qh4 Bg7= (8...Nd7 9.Nc3 Bg7 10.Rd1 b6 11.ed5 cd5+=) 9.Nc3 Nd7 10.Rd1 b6 11.ed5 cd5+=; B) 7...Ng6 8.Nc3 (8.ed5 Qd5 9.Qd5 cd5 10.Nc3 Nc6 11.Rd1 Be6=) 8...de4 9.Rd1 Qe7 10.Bc5 Qe5 11.Qe5 Ne5=.

6.Qh5 g6

7.Qh4 Bg7 8.Bd4 d5 9.Nc3 0–0 10.Nf3 de4 11.Bc4 (11.Ne4 Nf5 12.Qf4 Nd4–+; 11.Qe4?! Re8 12.0–0–0 Nd5=) 11...Kh8 12.Qe4 (12.Ne4? Nf5 13.Qf4 Bh6 (13...Nd4?! 14.0–0–0–/+) 14.Bf6 Qf6 (14...Rf6?! 15.Qe5 Nd7 16.Rd1–/+) 15.Nf6 Bf4–+) 12...Nf5 13.0–0–0 Nd6 14.Qd3 (better is 14.Qf4!? g5 15.Ng5 Nc4 16.Qe4+/–) 14...Bf5 –/+.

7.Qh4 Bg7 8.Bd4 d5 9.Nc3 0–0 10.Nf3 Re8 11.0–0–0 (11.Bf6?? Nf5 12.Bd8 Bc3 13.Kd1 Nh4 14.Bh4 Ba1 15.ed5 cd5–+) 11...a5 12.b5 Qd6 13.Kb2 Nd7 14.Be2 c5 15.Be3 f5 16.Bf4 (< 16.ed5 Nb6 17.Bc4 Ned5 18.Bd5 Nd5 19.Rd5 Qd5–+) 16...Qb6 (better is 16...Qf6!? 17.Qf6 A) < 17...Bf6 18.e5 (18.ed5?! Nd5 19.Bc4 Bc3 20.Kc1 N7f6 21.Bd5 Kg7=) 18...Bg7 19.Nd5 Nd5 20.Rd5+/–; B) 17...Nf6=) 17.e5+/– (17.ed5 Nd5 18.Ne5 A) < 18...Be5 19.Be5 Re5 A1) < 20.Rd5 Re2 21.Rhd1 Re4 22.Ne4 fe4=+ (22...Qb5? 23.Ka1 fe4 24.Qe7+–); A2) 20.Nd5+–; B) < 18...Nf4 19.Bc4 Ne6 20.Nd7 Bd7 21.Rd7+/–; C) 18...Nc3 19.Bc4 Nd5 20.Rd5 Ne5 21.Be5 Be6= (< 21...Be5 22.Re5 Be6 23.Qf6+–)) 17...d4?? (17...Nf8 18.Bg5 Qc7 19.Be7 Qe7 20.Qe7 Re7 21.Nd5 Re8+–) 18.Bc4 +–.

7.Qh4 Bg7 8.Bd4 d5 9.Bf6 Nf5 10.Bd8 Nh4 11.Bh4 Ba1 12.ed5 cd5 =+.

4.b5 Bc5

5.a4 d5 A) 6.d4 A1) 6...Bd4 7.Bd4 ed4 8.Qd4 de4 9.Qe4 Ne7 10.Bc4=; A2) 6...Qa5 7.Qd2 (7.Bc3 Bb4 8.Bb4 Qb4 9.c3 Qb2 10.Ra3=) 7...Qd2 8.Nd2 ed4 9.ed5 cd5 10.Ngf3+=; A3) 6...ed4 7.Bd4 Bd4 8.Qd4 de4 9.Qe4 Ne7 10.Bc4=; B) 6.ed5 cd5 7.d4 ed4 (7...Bb4 8.c3 Bd6 9.de5 Be5 10.Nf3=) 8.Bd4 Bd4 9.Qd4= Ne7 10.Bd3=.

5.a4 d6 A) 6.Nf3 A1) 6...f5 7.ef5 (7.d4 ed4 8.Bd4 Bd4 9.Qd4 fe4 10.Qe4=) 7...Bf5 8.d4 ed4 9.Nd4 Bd4 10.Bd4=; A2) 6...Bg4 7.Be2 (7.h3 Bh5 8.Be2 Bg6 9.Nc3 Bb4 10.Bd3=) 7...Ne7 8.d4 Bf3 9.Bf3 Qa5 10.Bc3=; B) 6.d4 Qa5 (6...Bd4 7.Bd4 ed4 8.Qd4 Ne7 9.Nf3 a6 10.Bd3=; 6...ed4 7.Bd4 Bd4 8.Qd4 Ne7 9.Nc3 Qa5 10.Rd1=) 7.Bc3 Bb4 8.Qd2 Bc3 9.Nc3 Ne7 10.Rd1=.

5.a4 Ne7 A) 6.Nf3 d5 7.ed5 (7.d4 ed4 8.Nd4 0–0 9.Nd2 Re8 10.N4b3+=) 7...Nd5 8.Bc4 e4 9.Nh4 0–0 10.Nc3+=; B) 6.d4 Qa5 (6...Bd4 7.Bd4 ed4 8.Qd4 d5 9.Nc3 Qa5 10.Qd2=) 7.Bc3 Bb4 8.Bb4 Qb4 9.c3 Qb2 10.Ra3=; C) 6.Qh5 Ng6 7.Nf3 (7.Nc3 d6 8.Bc4 Qb6 9.Qf3 Qa5 10.Nge2=; 7.Bd3 a6 8.Ne2 d6 9.f4 0–0 10.bc6=) 7...Qe7 8.Nh4 Qf7 9.Ng6 Qg6 10.Qg6+=.

5.d4 ed4?? (5...Bd4 6.Bd4 ed4 7.Qd4= Ne7 8.Nc3 Qa5 9.Qd2 a6 10.bc6=; 5...Qa5 6.Bc3 Bb4 7.Qd2 Bc3 8.Nc3 ed4 9.Qd4 a6 10.ba6=) 6.Bd4 (better is 6.Qh5 g6 7.Qc5 Qa5 8.Kd1+–) 6...Bd4= 7.Qd4 Ne7 8.Nc3 0–0 (8...Qa5!?=) 9.Bc4+= Kh8 10.Nf3 d6 (10...cb5 11.Nb5 d5 12.ed5+=) 11.0–0 (11.Rd1 cb5 12.Nb5 d5 13.ed5 Nf5+/–) 11...Nd7 (11...Bg4 12.Nd2+=) 12.Qd6+/– Nb6 13.Qd8 Rd8 14.Bb3 cb5 (14...Bg4 15.Rfd1+/–) 15.Nb5 Bg4 16.Nh4 (16.Rfd1!? Rd1 17.Rd1+/–) 16...Rd2 (16...Be2 17.Nc7 Rac8+=) 17.h3 (better is 17.a4!? a5 18.f4+=) 17...Be2+= 18.Rfe1? (better is 18.Nf3 Rd7 19.a4 Bf1 20.Kf1=) 18...Bb5–+ 19.Rad1 (19.Nf3 Re2–+) 19...Rd1 20.Rd1 Nc6 (20...g5 21.Nf3–+) 21.g4 (21.Nf5 Be2 22.Rd2 Ba6–+) 21...Rd8 (21...Re8 22.Bd5–+) 22.Rd8 Nd8 23.f4 (23.Nf5 Bd7–+) 23...Nc6 (better is 23...a5!? 24.c3–+) 24.Kf2 Bc4 (24...Ne7 25.Nf3–+) 25.Bc4 (better is 25.Nf5–+) 25...Nc4 26.Nf3 Nb4 0–1. rthurc (2235) – dnenneman (2225), net–chess.com, 2010.

5.a4 Qb6

6.Qe2 cb5 7.ab5 Na6 8.Nc3 Nc7 9.Na4 Qd6 10.f4 +/–.

6.Qe2 d5 7.a5 (7.Nc3 d4 8.Nd1 Bd7 9.c3 cb5 10.ab5=) 7...Qc7 8.f4= d4 9.c3 dc3 10.Nc3 =.

6.Qe2 d6 7.a5 (7.Nf3 a6 8.Nc3 ab5 9.ab5 Ra1 10.Ba1=) 7...Qd8 8.c3 cb5 9.Qb5 Bd7 10.Qb7 =.

6.Qe2 Ne7 7.Nf3 (7.a5 Qb5 8.Qb5 cb5 9.Bb5 Nbc6= 10.Nf3=; 7.Nc3 d5 8.a5 Qd8 9.Qh5 g6 10.Qf3=) 7...0–0 (7...d5 8.ed5 cd5 9.a5= Qc7 10.d4=; 7...a6 8.Nc3 ab5 9.ab5 Ra1 10.Ba1=) 8.c3 (8.a5 Qb5 9.Qb5 cb5 10.Bb5 d5=) 8...d5+= 9.ed5 (9.d4 Bd6+= 10.Ba3+=) 9...cd5 (9...Nd5 10.a5 Qd8 11.Qc4+=) 10.d4 ed4 11.cd4 Bb4 (11...Bd6 12.a5 Qd8 13.Qc2+=) 12.Nbd2 (12.Bc3 Bd6=) 12...Re8+= 13.Qd3 (13.Ba3 Qd8 14.Kd1 Ba3 15.Ra3 a6+=) 13...Ng6 (better is 13...Bg4–/+) 14.Be2?? (better is 14.Kd1+=) 14...Nf4–+ 15.Qb3 Bd2 (15...Re2 16.Kd1 Qe6 17.Qb4–+) 16.Nd2 Re2 (16...Nc6!? 17.0–0 Nd4 18.Bd4 Ne2 19.Kh1 Qd4 20.Ra2–+) 17.Kd1 Rf2 (better is 17...Re8 18.Qf3 Qd6–+) 18.g3 (18.Qg3 Rg2 19.Qf4 Bg4 20.Kc2–+) 18...Bg4 19.Kc1 Qc7 (19...Nd7 20.gf4 Rc8 21.Kb1 Bf5 22.Ka2 Rd2 23.Rad1 Qd4 24.Rd2 Qd2 25.Qd1–+) 20.Kb1 Rd2 21.gf4 Qf7 (21...Bf3 22.Rf1 Be4 23.Ka2–+) 22.Qc3 (22.Ra3 Bf5 23.Ka1 a6–+) 22...Re2 (22...Bf5 23.Ka2 Rc2 24.Qa3–+) 23.Ka2 (23.Ra3 Qe6 24.Ka1 a6–+) 23...h6 (23...a6!? 24.b6–+) 24.h3 (24.Rae1 Qd7 25.h3 Bh5–+) 24...Bh5 (24...Bf5 25.Rhe1 Re4 26.Rad1–+) 25.Qc8 (25.Rhe1 Qd7 26.Rec1 a6 27.Qc8 Be8 28.Qd7 Bd7–+) 25...Kh7 (25...Re8 26.Qc5–+) 26.Qf5 (26.Rhe1 f5–+) 26...Bg6 27.Qc8 (27.Qg4 Re4–+) 27...Re8 (better is 27...Nc6! 28.Qc6 bc6–+) 28.Qc3 (28.Qc5 b6 29.Qd6 Bd3–+) 28...Nd7 (28...b6 29.Rhf1–+) 29.Rag1 (29.a5 Rac8 30.Qb3 Bc2–+) 29...Nb6 (29...a6 30.Qb4–+) 30.Kb3 (30.a5 Rac8 31.Qb4 Rc4–+) 30...Nc4 (30...Rac8 31.Qg3 Bc2 32.Ka2–+) 31.Bc1 (31.Re1 a6 32.b6 Nb6–+) 31...Rac8 (better is 31...a6 32.b6 Nb6 33.Rh2–+) 32.Qf3 (32.Rh2 Be4–+) 32...Na5 33.Kb4 (33.Ka2 Rc2 34.Ka1–+) 33...Rc4 34.Ka5 (34.Ka3 Qf8 35.Ka2 Ra4 36.Ba3 Re2 37.Ka1 Qa3 38.Qa3 Ra3) 34...Qc7 35.b6 Qb6 0–1. Rutz,Marco – Miclea,Sebastian Marius, GER–ch U10 Ueberlingen, 2000.

6.Qf3 A) 6...d6 7.Bc4 (7.a5 Qd8 8.Bc4 Ne7 9.Nc3 cb5 10.Bb5=; 7.Qg3 Qc7 8.Nf3 d5 9.d4 de4 10.Nfd2=) 7...Ne7 8.Nc3 a6 9.a5 Qd8 10.b6+=; B) 6...d5 7.a5 (7.Nc3 d4 8.a5 Qd8 9.Nd1 Be6 10.Ne2+=; 7.ed5 cd5 8.a5 Qd8 9.Qh5 g6 10.Qe2=; 7.Qg3 Qc7 8.d4 Bd6 9.de5 Be5 10.Be5=) 7...Qd8 8.bc6 de4 9.cb7 Bb7 10.Bb5=; C) 6...Nh6 7.a5 (7.Bc4 d6 8.a5 Qc7 9.Nc3 Bg4 10.Qd3=; 7.Nc3 d6 8.a5 Qc7 9.Bc4 Bg4 10.Qd3=) 7...Qd8 8.Nc3 cb5 9.Bb5 Nc6 10.Nd5=; D) 6...Ne7 7.a5 Qd8 8.Qh5 g6 9.Qh4 0–0 10.f4=.

6.Qh5 A) 6...g6 7.Qe2 (7.Qf3 d5 8.ed5 cd5= 9.a5 Qd8 10.d4=) 7...a6 8.Nc3 d6 9.a5 Qd8 10.b6=; B) 6...Kd8 7.Qf7 Bf2 8.Kd1 Bg1 9.Qf8 Kc7 10.Qg7=.

5.Qh5 g6

6.Qh4 Qb6 7.Nc3+= Bf2?? 8.Qf2+– c5 9.Nd5 Qa5 10.Qc5 b6 11.Nf6! Nf6 12.Qe5 Kf7 13.Qf6 Ke8 14.Qh8 Ke7 15.Bf6 Kd6 16.Be5 Ke7 17.Qh7 Ke6 18.Qg6 Ke5 19.Nf3 Kf4 20.Qf5# 1–0. Woelfelschneider,Peter – Krahl,Wolfgang, corr TKM/A004, 1999.

6.Qh4 h5 7.Nc3 A) 7...d5 8.bc6 bc6 9.ed5 cd5 10.Rb1 Qd6 11.Na4 Bf5=; B) 7...g5 8.Qg3 h4 (8...d5 9.bc6 bc6 10.ed5 h4 11.Qd3 Ne7+=; 8...d6 9.Bc4 Nd7 10.Rb1 Nb6 11.Bb3 Ne7=; 8...a6 9.h4 g4 10.bc6 dc6 11.Bc4 b5=) 9.Qd3 d6 10.Na4 Nd7 11.Be2 cb5=; C) 7...a6 C1) 8.Na4 Ba7 (8...Bb4 9.b6 g5 10.Qg3 d5 11.Qb3 Ba5=; 8...Be7 9.Qg3 g5 10.bc6 dc6 11.Qd3 Qd3=) 9.Qg3 Ne7 10.bc6 dc6 11.Nc3 Be6=; C2) 8.Qg3 Ne7 9.bc6 dc6 10.Be2 b5 11.a4 b4=; C3) 8.bc6 dc6 9.Bc4 b5 10.Bb3 g5 11.Qg3 h4+=; C4) 8.a4 g5 (8...ab5 9.ab5 Ra1 10.Ba1 g5 11.Qg3 d5=; 8...d5 9.ed5 cd5 10.a5 Be6 11.Qa4 ab5=) 9.Qg3 ab5 10.ab5 Ra1 11.Ba1 d5=.

6.Qh4 h5 7.Bd3 A) 7...a6 A1) 8.bc6 dc6 9.Bc4 b5 10.Be2 g5 11.Qg3 h4–/+; A2) 8.f4 d6 (8...ef4 9.e5 g5 10.Bg6 Kf8 11.Qh3 Kg7+=; 8...g5 9.fg5 fg5 10.Qg3 d6 11.Nf3 ab5+=) 9.fe5 de5 10.Qg3 Ne7 11.Qf3 Qb6–/+; A3) 8.a4 g5 9.Qh3 ab5 10.Be2 d5 11.Bh5 Ke7–+; A4) 8.Qg3 Ne7 (8...Rh6 9.bc6 Nc6 10.Bc4 Nge7 11.Qf3 f5=) 9.ba6 Qb6 10.Nc3 Na6 11.Ba6 Ra6+=; B) 7...g5 8.Qg3 h4 (8...d6 9.h4 Nh6 10.Ba3 Bb6 11.bc6 bc6=) 9.Qf3 d6 10.Bc4 h3 11.bc6 hg2+=; C) 7...Qb6 8.Nc3 (8.a4 g5 9.a5 Qc7 10.Qg3 cb5 11.Bb5 Nc6=) 8...g5 9.Qg3 h4 10.Qf3 Bd4 11.Bc4 d5=; D) 7...d6 8.Qg3 (8.Be2 g5 9.Qg3 h4 10.Qb3 Qb6 11.d4 Bd4+=; 8.Nc3 g5 9.Qg3 h4 10.Qf3 h3 11.Na4 Be6+=) 8...g5 (8...Ne7 9.Nc3 Be6 10.Nge2 h4 11.Qf3 f5=) 9.h4 Be6 10.Nc3 Nd7 11.Be2 g4+=.

6.Qh4 h5 7.f4 d6 (7...ef4 8.Qf4 d5 9.Ne2 g5 10.Qf3 Bg4 11.Qd3 de4=) 8.Nf3 ef4 (8...Bg4 9.Qg3 d5 10.bc6 bc6 11.Nc3 ef4=) 9.d4 g5 10.Qf2 Bb6 11.Bd3 Nh6 +=.

6.Qh4 h5 7.Qg3 d5? (better is 7...Rh6= 8.Nf3 (8.Ba3 Ba3 9.Na3 d5 10.bc6 Nc6 11.ed5 Qd5=; 8.Nc3 d5 9.bc6 bc6 10.ed5 cd5 11.Qf3 Be6=) 8...Ne7 9.Ne5 d5 10.Nd3 h4 11.Qf3 de4+/–) 8.Be5!+– h4 (8...fe5 9.Qe5 Double attack (9.Qc3 Decoy)) 9.Qg6 Kd7? (9...Kf8 10.Bf4 Bd6+–) 10.Qg4 Ke8 11.Qg7 Bf2 (11...fe5 12.Qh8 Be6 13.ed5 Qd5 14.Qh4 Bd4+–) 12.Kf2 fe5 13.Qh8 Qg5 (13...Qf6 14.Qf6 Nf6 15.ed5 cd5 16.Nf3+–) 14.Nf3 Qg6 15.Nc3 (15.Qe5 Kd8 16.bc6 bc6 17.ed5 Nf6 18.Qd6 Bd7 19.Qf8 Ne8+–) 15...Bg4 (15...Be6 16.ed5 cd5 17.Qe5+–) 16.ed5 h3 (16...cb5 17.Bb5 Nd7 18.Ne5 Qf6 19.Qf6 Ngf6 20.Rab1+–) 17.Rg1 (better is 17.Ne5 Qf6 18.Qf6 Nf6 19.dc6 bc6 20.bc6 Kd8+–) 17...cd5 (17...Qf7 18.bc6 bc6 19.Qe5 Kf8 20.Qd6 Ne7 21.Re1+–) 18.gh3 Qb6 19.Ke1 Bf3 20.Qg8 Ke7 21.Rg7 Kd6 22.Qf8 Ke6 23.Qf7 Kd6 24.Qe7# 1–0. Woelfelschneider,Peter (1795) – Krahl,Wolfgang, O7–004 VCC, 2001.

4.b5 d5

5.Be5? fe5–/+ 6.Qh5 Kd7 (6...Ke7 7.Qe5 Kf7 8.ed5 cd5 9.Nf3 Nf6 10.Ng5–+) 7.Nc3 (better is 7.ed5!? cd5 8.Nf3–/+ Nf6 9.Ne5 Kc7 10.Qf7–+; 7.bc6 Nc6 8.Qf7 Nge7 9.ed5 Nb4 10.Na3–+) 7...d4 8.bc6 (8.Nb1 Qe8 9.Qg5 Nf6–+ 10.Nf3–+; 8.Nd1 Qe8 9.Qe8 Ke8 10.Nf3–+) 8...bc6 (8...Nc6 9.Nd5 Nf6 10.Nf6 Qf6 11.Bc4–+) 9.Na4 (9.Nce2 Qe8 10.Qg5 h6–+) 9...Qf6 (9...Qe8 10.Qg5–+) 10.Nf3 (10.Bc4 Nh6–+) 10...Bd6 11.c3 (11.Bc4 Ne7–+) 11...g6 (11...Qf4 12.cd4 Qe4 13.Kd1 ed4 14.Nc5 Bc5 15.Qc5–+) 12.Qg5 (12.Qg4 Kd8 13.Qg3 Qe7–+) 12...Qg5 13.Ng5 Nf6 14.f4 (14.Bc4 Ba6 15.Bb3 Re8–+) 14...dc3 15.d4 ed4 16.e5 Re8 (better is 16...Ng4 17.Nf7 Be5 18.fe5–+) 17.Be2? (17.0–0–0 Ba3 18.Kc2 Ng4 19.Rd4 Ke7 20.Nh7 Nf2–+) 17...Bb4 (better is 17...Be5!? 18.fe5 Re5 19.Nf3–+) 18.0–0–0 Nd5 19.Rd4 Na6 (19...h6 20.Nf7 Rf8 21.Nh6 Rf4 22.Bg4 Kc7 23.Rf4 Nf4 24.Bc8 Kc8 25.Kc2–+) 20.Kc2 (20.Nh7 Ke7 21.Ba6 Ba6–+) 20...Ke7 21.Rd5 (21.Ba6 Ba6 22.Nh7 Rab8–+) 21...cd5 22.Nc3 Bc3 (better is 22...Bf5!? 23.Kb2 Bc3 24.Kc3 Rac8 25.Kd2 Rc2 26.Ke3 d4 27.Kf3–+) 23.Kc3 h6 24.Nf3 (24.Nh7 Rd8 25.Rd1 Rb8–+) 24...Nc7 (24...Nc5 25.Rd1 Ne4 26.Kd4–+) 25.Rc1 (25.Bd3 Kf7–+) 25...Bg4 0–1. Roczniak,Jan – Lachowicz, Poland, 1980.

5.bc6 bc6

6.Nc3!? +=.

6.ed5 cd5= 7.Bb5 Bd7 (7...Nd7 8.Nf3 Rb8 9.Qe2–/+) 8.Qh5 g6 9.Qe2 Bc5 10.Nc3 Ne7 11.Na4 Bd6 12.f4 (12.Nf3 Bb5 13.Qb5 Nbc6–/+) 12...a6 (12...Qa5 13.Nc3 0–0 14.Bd7 Nd7 15.Qb5 Qb5 16.Nb5–+) 13.Bd7–/+ Nd7 14.fe5 fe5 (14...Be5 15.Nf3 Qa5 16.Ne5 fe5 17.Be5–/+) 15.Qf3? (15.Nf3 0–0 16.0–0–/+ (16.Ne5?? Be5 17.0–0–0 Bb2 18.Kb2 Nf6–+; 16.Be5? Ne5 17.Ne5 Re8–+)) 15...Rf8–+ 16.Qh3 (16.Qe2 Nb6 17.Nc3 Nc4–+) 16...Qa5 (16...Nb6!? 17.Nc3 Nc4 18.Bc1–+) 17.Nc3 Qb6 18.0–0–0?? (better is 18.Nd1–+) 18...Rb8 19.Na4 Qa5 (better is 19...Qb4 20.a3 Qa4 21.Ne2–+) 20.Nc3 (20.Qb3–+) 20...Qb4 21.Re1 (21.Na4 Qa4 22.Qb3 Rb3 23.ab3–+) 21...Qb2 22.Kd1 Qb6 (better is 22...Rf2 23.Nge2 Ba3 24.d4–+) 23.Nf3 (23.Nge2 Qc6 24.Qh4 d4 25.Nd4 ed4 26.Qd4 Rb4–+) 23...h5 (better is 23...e4 24.Rhf1 ef3 25.Rf3 Rf3 26.gf3 Nf8–+) 24.Ng5 (24.Rhf1 e4 25.Ng5 Rf5 26.Rf5 Nf5 (worse is 26...gf5 27.Qh5 Kd8 28.Ne6 Kc8 29.Qe8 Kb7 30.Qd7 Ka8 31.Ke2+=) 27.Nd5 Qb1 28.Ke2 Qb5 29.d3 Qd5 30.Ne4 Kf8–+) 24...Nf5 (better is 24...Rf2 25.Nb5 Qb5 26.Qb3–+) 25.Rhf1 (25.Qd3 Nf6 26.Rhf1 e4 27.Nce4 de4 28.Ne4 Ne4 29.Re4 Kd7–+) 25...d4 (better is 25...Nd4 26.Qe6 Ne6 27.Ne6 Rf2 28.Rf2 Qf2–+) 26.Nce4 Qb1 (better is 26...Be7 27.Qd3 Qc6 28.Kc1–+) 27.Ke2 d3! (27...Qc2?! 28.Nd6 Ke7 29.Nf5 Rf5 30.Rf5 Qf5 31.Qa3 Ke8 32.Nf3–/+) 28.Kd3?? (28.cd3 Nd4 Deflection (28...Qa2 Zwischenzug); 28.Kd3 Nc5 Double attack (28...Qa2 Zwischenzug); 28.Qd3 Nd4 Deflection (28...Qa2 Zwischenzug)) 28...Qb5–+ 29.c4 Nc5 (29...Qc6 30.Ne6 Nb6 31.c5 Qd5 32.Ke2 Qe4 33.Kd1–+) 30.Nc5 Qc5 31.Rc1 (31.Ne6 Qa3 32.Ke2 Qh3 33.gh3–+) 31...e4! 32.Ke2 (32.Ke4 Qd4 Mate attack; 32.Ne4 Qd4 Deflection (32...Qd4 Decoy)) 32...Nd4 33.Ke1 Qg5 34.c5 (34.Qc3 Rf1 35.Kf1 Qf6 36.Ke1 Bh2 37.Qe3 Nc2 38.Ke2 Ne3 39.Re1 Bg3 40.Ke3 Rd8 41.Rd1 Qf2 42.Ke4 Qe2) 34...Rf1 35.Kf1 Qf5 (35...Qf5 36.Qf5 Nf5 37.cd6 Rb2–+) 0–1. Tagirov,Kajum K – Putin,Andrey, 5th Cup Governov B, 2009.

6.ed5 cd5= 7.Nc3 Ne7 8.Bb5 Kf7 =.

6.ed5 cd5 7.Qh5 g6 =.

5.ed5 cd5

6.Nc3 Be6 7.d4 e4 8.Be2 Bb4 9.Nh3 Qc7 10.Qd2 Ne7 (10...Bh3 11.gh3 Nd7 12.a3–/+) 11.Nf4+= Bf7 12.a3 Ba5 13.0–0 Nd7 14.Qe3 Rc8 15.Rac1?? (better is 15.Ncd5 Nd5 16.Qe4 Ne7 17.c4+=) 15...Bc3–+ 16.Bc3 Qc3 17.Qc3 Rc3 18.a4 0–0 19.g4 Rfc8 20.Bd1 g5 21.Ne2 R3c4 22.a5 (22.c3 h5–+) 22...Rb4 23.f3 ef3 24.Rf3 Rb5 25.Ng3 Ra5 26.Nf5 (26.c3 Be6 27.Re3 Kf7–+) 26...Nf5 27.gf5 Bh5 28.Rb3 Bd1 29.Rd1 b6 30.c3 Ra2 31.Re1 Kf7 32.Re6 Re8 33.Rb1 (33.Re8 Ke8 34.Rb5 a5–+) 33...Re6 34.fe6 Ke6 0–1. typ48 – hello227, kurnik, 2013.

6.c4 Be6 7.cd5 Bd5 8.Nc3 Be6 9.Qa4 b6 (9...Nd7!?+=) 10.Bc4 Qd7?? (10...Bc4 11.Qc4 Nd7 12.Nf3+=) 11.Nge2?? (11.Be6 Qe6 12.Qe4 Nc6+–) 11...Bc5?? (11...a6 12.Be6 Qe6 13.0–0+=) 12.0–0 (better is 12.Be6 Qe6 13.Qe4 Nc6 14.bc6 Ne7+–) 12...Ne7? (12...Bc4 13.Qc4 a6 14.d4 ed4 15.Rad1+/–) 13.Ne4?? (better is 13.Be6 Qe6 14.Qe4+–) 13...0–0 (13...Bc4!? 14.Qc4 a6=) 14.d4 ed4 (14...Bd4 15.Be6 Double attack; 14...ed4 15.Be6 Double attack) 15.Nd4 Bd4 16.Bd4 Nf5 (16...Bc4 17.Qc4 Qd5 18.Rac1+=) 17.Rad1 (17.Bb6 Bc4 18.Qc4 Qf7 19.Qf7 Rf7+/–) 17...Nd4? (better is 17...Bc4 18.Qc4 Qf7+=) 18.Rd4!+– Qe7 (18...Qd4 19.Be6 Deflection (19.Be6 Decoy; 19.Be6 Remove defender; 19.Be6 Overloading)) 19.Qb3 (19.Qb4 Re8 20.Qe7 Re7 21.Rd8 Kf7 22.Nd6 Kg6 23.Re1+–) 19...Bc4+/– 20.Qc4 Kh8 21.Rfd1 a6 22.a4 ab5 23.Qb5 f5 24.Ng3 (24.Nd6!?+/–) 24...f4 (24...f4 25.Rf4 Rf4+/–). typ48 – hello227, kurnik, 2013.

6.d4 Bb4!? A) 7.Bc3 Qe7 (7...Bc3 8.Nc3 Qa5 9.Qd2 Ne7 10.Nf3 Qc7 11.de5=; 7...Qd6 8.Qd2 Bc3 9.Nc3 Be6 10.de5 Qe5 11.Nge2=; 7...Qa5 8.Qd2 Bc3 9.Nc3 Ne7 10.Nf3 Qc7 11.de5=) 8.Be2 Be6 9.de5 fe5 10.Nf3 Bc3 11.Nc3=; B) 7.Nd2 e4 (7...Nd7= 8.de5 Qe7 9.Ngf3 fe5 10.a3 Bd6 11.c4=) 8.c3 Ba5 9.c4 Ne7 10.Rc1 0–0 11.Bc3=; C) 7.c3 Bd6 8.de5 Be5 9.Nf3 Bf5 10.Be2 Ne7 11.0–0=.

6.d4 Bd6 A) 7.Qh5 g6 8.Qe2 Nd7 9.de5 fe5 10.f4 Bb4 11.Nd2+=; B) 7.c4 ed4 (7...Bb4 8.Bc3 Qe7 9.de5 dc4 10.Bc4 Nd7 11.a3+=) 8.Qh5 g6 9.Qd5 Bb4 10.Kd1 Qd5 11.cd5=; C) 7.Nd2 Nh6 (7...Ne7 8.de5 fe5 9.f4 Nd7 10.Qh5 Ng6 11.Bd3=; 7...Nd7 8.c4 Ne7 9.Qg4 Kf7 10.cd5 Nb6 11.Qh5=) 8.c4 ed4 9.Qh5 Nf7 10.Qd5 Qe7 11.Ne2=; D) 7.de5 fe5 8.Nf3 Bg4 9.Be2 Qa5 10.Bc3 Bb4 11.Qd2+=.

6.d4 e4 7.c4 Be6 =.

6.d4 e4 7.f3 Be6 8.fe4 de4 9.Qh5 Bf7 10.Qg4 =.

6.d4 e4 7.f3 Bf5 8.fe4 (8.c4 Ne7=) 8...Be4 (8...de4 9.c4=) 9.Nd2 Qe7 (9...f5 10.Ne4 de4 11.Qh5 g6 12.Qe2=) 10.Ne4 f5 11.Ne2 (11.a3 Nf6=) 11...fe4 12.g3 (12.c4 Qb4 13.Qd2 dc4= (< 13...Qc4 14.Nc3 Qc7 15.Nd5+/–)) 12...Qb4 (12...Nf6 13.Bc3=+) 13.Bc3 Qc4 14.a4 Bd6 (14...Nf6 15.Bh3=) 15.Ba5 Qc8 16.c4 (16.Nc3 Qf5 17.b6 Ne7 18.Bb5 Nd7=+) 16...dc4 17.Nf4 (17.Qc2 Nf6=) 17...Bf4 18.gf4 Qf5 (18...Nf6 19.Qe2=) 19.Rg1 (19.Qd2 Nf6=) 19...Qf4 20.Rg4 Qe3 21.Qe2 Qe2 22.Be2 Nf6 23.Rg7 b6 24.Bd2 Rg8 25.Rg8 Ng8 26.Bc4 Nf6 27.Rc1 Nbd7 28.Bb3 Ke7 (28...Nf8 29.Bg5 Ng4 30.Bd5+–) 29.Rc6 Rd8 (29...Re8 30.Bg5+–) 30.Bg5 (30.Bb4 Ke8+–) 30...Rf8 31.Ke2 Re8 (31...h6 32.Bh6 Rh8 33.Bf4+–) 32.Re6 Kf8 33.Rf6 (33.Bf6?! Re6 34.Be6 Nf6+/–) 33...Nf6 34.Bf6 Rc8 35.Be5 Rc3 36.Bd5 e3 37.Be4 h5 38.Bb8 Rc4 39.Ba7 (< 39.Ke3 Ra4 40.Bg6 h4+–) 39...Rd4 40.Ke3 Ra4 41.Bb6 Kf7 (41...Ke8 42.Bc6 Kf7 43.Bd4+–) 42.Bc7 1–0. Rohde,Friedhelm – Bielefeld,D, corr TT/5002 BdF, 1997.

6.d4 Nh6 7.de5+/– Bg4 (7...Bb4 8.Nd2 fe5 9.Be5 0–0 10.Ngf3 Bg4 11.c3+=) 8.Be2 Bb4 9.c3 Bc5? (better is 9...Be2 10.Qe2 Ba5+/– 11.ef6+–) 10.Bg4+– Ng4 (10...fe5 11.Nh3 Ng4 12.Qg4+–) 11.Qg4 Qe7 (11...0–0 12.Qe6 Kh8+–) 12.Qc8 Qd8 13.Qc5 Nd7 14.Qd4 (14.Qd5 Ne5 15.Qe6 Qe7 16.Qe7 Ke7+–) 14...fe5 (14...Ne5 15.Na3+–) 15.Qd5 Rf8 (15...Qb6 16.Ba3 0–0–0 17.Bd6+–) 16.Qe6 Qe7 17.Qc4 (better is 17.Qe7 Ke7 18.Ba3 Ke6 19.Bf8 Rf8+–) 17...Qf6 18.Nf3 Nb6 19.Qe4 Rd8 (19...0–0–0 20.0–0+–) 20.0–0 Qg6 (20...Rf7 21.Re1+–) 21.Qe5 Kd7 22.Nbd2 Rfe8 23.Qc5 Re2 (23...Qd6 24.Qf5 Kc7 25.Qh7+–) 24.Rad1 (better is 24.Rae1 Rde8 25.Re2 Re2 26.Ne5 Re5 27.Qe5+–) 24...Qc2 (24...Ke8 25.Rde1 Qe6 26.Re2 Qe2 27.Ba3 Rd2 28.Nd2+–) 25.Ne5 (better is 25.Ne4! Rd2 26.Rd2 Qd2 27.Ned2+–) 25...Ke6 26.Qc7 Rdd2 27.Qf7 Ke5 28.f4 Ke4 29.Qe6 Kd3 30.Rf3 Re3 31.Re3 1–0. Taulien,Hans_Juergen – VonNeanderthal,Gnurk, remoteschach.de, 2003.

4.b5 Ne7

5.Nc3 A) 5...a6 A1) 6.bc6 Nbc6 7.Bc4 Na5 8.Bd3 d5 9.Qh5 g6 10.Qh4 d4; A2) 6.a4 d5 (6...ab5 7.ab5 Ra1 8.Qa1 d5 9.Nf3 d4 10.Nd1 Be6) 7.ed5 Nd5 8.Nf3 ab5 9.ab5 Ra1 10.Qa1 Nb4; A3) 6.Qh5 g6 (6...Ng6 7.Nf3 Bc5 8.Na4 Bb4 9.bc6 bc6 10.Bc3 Bc3) 7.Qh4 Bg7 8.bc6 Nbc6 9.Nf3 Qb6 10.Rb1 Qc5; B) 5...Qa5 B1) 6.Nge2 cb5 (6...d5 7.Nc1 d4 8.Nb3 Qc7 9.Na4 Ng6 10.c3 dc3) 7.Nc1 b4 8.Nb3 Qb6 9.Nd5 Nd5 10.ed5 a5; B2) 6.Qf3 Qb4 (6...Ng6 7.a4 Qb4 8.Ba3 Qa5 9.Bf8 Kf8 10.Qd3 Qc7) 7.Rb1 a6 8.b6 d6 9.Bd3 Nd7 10.Nge2 Nb6; B3) 6.Qh5 g6 7.Qf3 Bg7 8.a4 d6 9.Bc4 Nd7 10.Nge2 Nc5; C) 5...d6 C1) 6.Be2 a6 (6...Be6 7.Nf3 a6 8.a4 ab5 9.ab5 Ra1 10.Qa1 Nd7) 7.bc6 Nbc6 8.Nf3 Be6 9.0–0 Qa5 10.Re1 Kf7; C2) 6.Qh5 g6 7.Qf3 Nd7 8.Nh3 Bg7 9.bc6 Nc6 10.Nd5 Nb6; C3) 6.Nf3 Be6 (6...Kf7 7.d4 ed4 8.Nd4 d5 9.ed5 cd5 10.Bd3 Nd7) 7.d4 Nd7 8.Be2 Kf7 9.0–0 Nb6 10.Rb1 Rb8; D) 5...d5+= D1) 6.Nf3 d4 (6...a6 7.d4 ab5 8.de5 b4 9.ef6 bc3 10.fe7 Qe7) 7.Na4 Ng6 8.c3 d3 9.Qb3 Bg4 10.h3 Bf3; D2) 6.Qh5 g6 (6...Ng6 7.ed5 cd5 8.Bd3 e4 9.Be2 Be6 10.Nh3 Bf7) 7.Qh4 Bg7 8.Nf3 d4 9.Na4 cb5 10.Bb5 Bd7; D3) 6.d4 Nd7 (6...de4 7.de5 Bf5 8.ef6 gf6 9.Qh5 Bg6 10.Qh4 Bg7) 7.Nf3 Qa5 8.Qd2 a6 9.bc6 bc6 10.Be2 Ng6.

5.c4 a6 A) 6.Nf3 ab5 (6...Ng6 7.Nc3 Be7 8.Be2 ab5 9.cb5 d5 10.bc6 bc6) 7.cb5 d5 8.Nc3 Nd7 9.bc6 bc6 10.d4 de4; B) 6.Nc3 ab5 (6...d5 7.cd5 ab5 8.a3 cd5 9.Qh5 g6 10.Qf3 b4) 7.cb5 d5 8.Nf3 Nd7 9.ed5 Nd5 10.Nh4 g6; C) 6.Qa4 d6 (6...Ng6 7.Nc3 Bc5 8.Be2 0–0 9.Ba3 Qe7 10.Bc5 Qc5) 7.Nf3 Nd7 8.d4 ed4 9.Bd4 Nc5 10.Bc5 dc5.

5.c4 cb5 A) 6.Nc3 b4 7.Nd5 Nd5 8.cd5 Na6 9.Nf3 Nc5 10.Ne5 fe5; B) 6.Nf3 b4 (6...Na6 7.cb5 Nc5 8.Qc2 d6 9.d4 Ne6 10.Nbd2 Ng6) 7.d4 ed4 8.Be2 Nbc6 9.Nbd2 Ng6 10.Nd4 Be7; C) 6.cb5 d5 (6...d6 7.d4 Be6 8.d5 Bf7 9.Nf3 Nd7 10.Bd3 f5) 7.Nc3= Be6 8.Nf3 Nd7 9.Be2 d4 10.Na4 Ng6.

5.c4 d5 A) 6.cd5 cd5 7.Qh5 g6 8.Qf3 Bg7 9.Nc3 Nd7 10.Nh3 Nb6; B) 6.Qh5 g6 (6...Ng6 7.cd5 cd5 8.Bd3 Be6 9.Ne2 d4 10.0–0 Nd7) 7.Qf3 Bg7 8.ed5 cd5 9.Nc3 d4 10.Nd5 Nd7; C) 6.Nc3 d4 (6...Be6 7.bc6 bc6 8.cd5 cd5 9.Bb5 Kf7 10.Nf3 a6) 7.Na4 Kf7 8.Nf3 Ng6 9.h4 Nd7 10.h5 Nf4.

5.c4 Ng6 6.Nc3 (6.Nf3 Be7+= (6...Bc5 7.d4 ed4 8.Bd4 Bd4 9.Qd4 0–0 10.Nc3 Qa5; 6...cb5 7.cb5 d5 8.ed5 Qd5 9.Nc3 Qe6 10.Qa4 Nf4) 7.Nc3 0–0 8.g3 Qa5 9.h4 h5 10.Nh2 Bc5; 6.Nh3 Bc5 (6...Bb4 7.Qb3 Bc5 8.Nc3 d6 9.Na4 0–0 10.g3 Be6) 7.Nc3 d6 8.Qf3 0–0 9.Bd3 Be6 10.0–0 Qa5) 6...Bb4 (6...Bc5 7.Nf3+= (7.Be2 0–0 8.Nf3 Nf4 9.0–0 Qe8 10.d4 ed4) 7...Qb6 8.Be2 Bf2 9.Kf1 a6 10.Na4 Qa7; 6...Be7 7.Nf3 0–0 8.g3 Bc5 9.h4 Ne7 10.h5 h6) 7.a3 (7.Qb3 Qa5 8.Nf3 0–0 9.a3 Be7 10.c5 Kh8) 7...Bc3 (7...Bc5 8.Na4 d6 9.Nf3 0–0 10.d4 ed4) 8.Bc3 0–0 (8...d5 9.cd5 (9.ed5 cd5 10.Rc1 d4) 9...cd5 10.Qc2= Be6) 9.Nf3 (9.d4 d6+= 10.Nf3 Bg4) 9...d5= 10.cd5 cd5 11.Qb3 Be6 12.ed5 (12.g3 Kh8=) 12...Bd5 13.Bc4 Ne7 (13...Bc4 14.Qc4 Rf7 15.0–0+=) 14.0–0 (14.Bb4!? Bc4 15.Qc4 Rf7 16.0–0+=) 14...Bc4+= 15.Qc4 Qd5 16.Qc7 (better is 16.Qe2!?=) 16...Qd7 (better is 16...Nd7!? 17.Bb4 Rfc8–/+) 17.Qc4 ½–½. Zornack,Andre (1930) – Gottwald,Bernhard (1915), RSS7E basic–32, 2010.

5.Bd3 A) 5...d5 A1) 6.Nh3 Nd7 (6...cb5 7.0–0 b4 8.a3 Na6 9.ed5 Nd5 10.Qh5 Ke7) 7.Qh5 g6 8.Qf3 Bg7 9.Nc3 Nc5 10.bc6 bc6; A2) 6.Na3 Nd7 (6...de4 7.Be4 Bf5 8.Qf3 Be4 9.Qe4 Qd5 10.f3 cb5) 7.bc6 Nc5 8.ed5 Nd3 9.cd3 Nd5 10.Nf3 bc6; A3) 6.Nc3 d4 (6...Nd7 7.bc6 Nc5 8.c7 Nd3 9.cd3 Qc7 10.ed5 Qc5) 7.Nce2 Nd7 8.f4 ef4 9.Nf4 Ne5 10.Nf3 Bg4; B) 5...a6 B1) 6.a4 d5 (6...ab5 7.ab5 Ra1 8.Ba1 d5 9.Nc3 d4 10.Na4 Ng6) 7.Nc3 d4 8.Nce2 ab5 9.ab5 Ra1 10.Qa1 Nd7; B2) 6.Qh5 g6 (6...Ng6 7.f4 ef4 8.Ne2 Be7 9.bc6 Nc6 10.Nf4 Qb6) 7.Qh4 Bg7 8.bc6 Nbc6 9.Nc3 Nb4 10.Nf3 d5; B3) 6.bc6 Nbc6 (6...dc6 7.Nc3 Nd7 8.Be2 Ng6 9.Nf3 Nf4 10.0–0 Nc5) 7.Nc3 d5 8.Qh5 g6 9.Qh4 d4 10.Nce2 Bg7; C) 5...Ng6 C1) 6.Ne2 d5 (6...a6 7.bc6 Nc6 8.Nbc3 Bc5 9.0–0 0–0 10.Nd5 d6) 7.0–0 Nd7 8.Nbc3 Nc5 9.ed5 Nd3 10.cd3 cd5; C2) 6.Nh3 a6 (6...cb5 7.Nc3 Nc6 8.0–0 a6 9.Qh5 Nb4 10.Nd5 Nd3) 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bc5 10.Nc3 d5; C3) 6.Qh5 a6 (6...Bc5 7.Nc3 cb5 8.Nge2 Nc6 9.0–0 a6 10.Nf4 0–0) 7.f4 ef4 8.Ne2 Bb4 9.bc6 Nc6 10.Nf4 Qa5; D) 5...cb5 D1) 6.Qh5 g6 (6...Ng6 7.Nc3 Bc5 8.Nh3 Nc6 9.0–0 b4 10.Nd5 0–0) 7.Qf3 Bg7 8.Nc3 b4 9.Nd5 Nd5 10.ed5 Na6; D2) 6.Nf3 b4 (6...Nbc6 7.Nc3 b4 8.Nd5 Qa5 9.Ne3 d5 10.0–0 Be6) 7.0–0 Nbc6 8.a3 d5 9.ab4 Nb4 10.Nc3 Nd3; D3) 6.Nc3 Nbc6 (6...b4 7.Nd5 Nd5 8.ed5 g6 9.Nf3 Na6 10.0–0 Nc5) 7.Nb5 Ng6 8.Ne2 Qb6 9.Rb1 Nb4 10.Bc4 d5.

5.d4 A) 5...d6 A1) 6.de5 de5 (6...fe5 7.Nc3 a6 8.bc6 Nbc6 9.Nf3 Ng6 10.Nd5 Be6) 7.Nc3 Qa5 8.Nf3 Be6 9.Nd2 Qb4 10.Nb3 Ng6; A2) 6.Nf3 a6 (6...ed4 7.Nd4 a6 8.Nd2 ab5 9.Be2 Na6 10.a4 b4) 7.bc6 Nbc6 8.Nbd2 Nd4 9.Nd4 ed4 10.Bc4 Qb6; A3) 6.Nc3 a6 (6...ed4 7.Qd4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d5) 7.de5 de5 8.Qd8 Kd8 9.a4 ab5 10.0–0–0 Kc7; B) 5...Qa5 B1) 6.Bc3 Qa4 7.Be2 d6 8.Qd3 Bd7 9.Nf3 cb5 10.0–0 Na6; B2) 6.Nd2 d6 (6...ed4 7.Bd4 d5 8.Qh5 g6 9.Qh4 Nd7 10.Ngf3 Bg7) 7.Ngf3 cb5 8.c4 Be6 9.cb5 Nd7 10.d5 Bg4; B3) 6.Qd2 Qd2 7.Nd2 ed4 8.Ngf3 c5 9.Bc4 a6 10.b6 d6; C) 5...cb5 C1) 6.Nf3 ed4 (6...Nbc6 7.de5 fe5 8.Nbd2 a6 9.Ne5 Ne5 10.Be5 Nc6) 7.Nd4 a6 8.a4 Qa5 9.c3 ba4 10.Ra4 Qb6; C2) 6.Nd2 ed4 (6...Nbc6 7.de5 Ne5 8.Ngf3 Qb6 9.Ne5 fe5 10.Be2 Nc6) 7.Ngf3 a6 8.Bd3 Nbc6 9.0–0 Ng6 10.a4 ba4; C3) 6.de5 fe5 (6...Qa5 7.Nc3 fe5 8.Bb5 Nbc6 9.Nf3 Qb6 10.Rb1 Nd4) 7.Nf3 Nbc6 8.Nbd2 Ng6 9.Bb5 Qb6 10.a4 a6; D) 5...ed4 D1) 6.Nf3 c5 (6...d5 7.Nd4 de4 8.Nd2 Nf5 9.Ne4 Bb4 10.c3 Qd4) 7.Bd3 a6 8.Na3 ab5 9.0–0 b4 10.Nb5 d6; D2) 6.Nd2 cb5 (6...d5 7.Bd4 de4 8.Ne4 Bf5 9.f3 cb5 10.Bb5 Nbc6) 7.Ngf3 Nbc6 8.Bb5 Qa5 9.Bd3 Ng6 10.0–0 Nf4; D3) 6.Bd4 cb5 (6...d5 7.Nc3 de4 8.Ne4 Bf5 9.f3 a6 10.b6 Nd5) 7.Bb5 Nbc6 8.Nf3 Nd4 9.Nd4 Qa5 10.Qd2 Qd2.

5.Nf3 a6 A) 6.bc6 Nbc6 (6...Qb6 7.cd7 Nd7 8.Ba3 Nc6 9.Bf8 Kf8 10.Nc3 Nc5) 7.Nc3 d5 8.Bd3 de4 9.Be4 f5 10.Bc6 Nc6; B) 6.a4 d5 (6...ab5 7.ab5 Ra1 8.Ba1 d5 9.Nc3 Nd7 10.Be2 Qa5) 7.ed5 Nd5 8.Nc3 Be6 9.Ne4 Be7 10.Be2 ab5; C) 6.d4 ed4 (6...d6 7.bc6 Nbc6 8.Nbd2 ed4 9.Be2 d5 10.0–0 Kf7) 7.Nd4 ab5 8.Bd3 Ng6 9.0–0 Na6 10.a4 b4.

5.Nf3 cb5 A) 6.Nc3 b4 (6...a6 7.Bd3 d6 8.a4 b4 9.Nd5 Nbc6 10.0–0 Be6) 7.Nd5 Nbc6 8.Nh4 Qa5 9.Qh5 Kd8 10.Bc4 Nd5; B) 6.Be2 Nbc6 (6...d5 7.Bb5 Nbc6 8.Nc3 d4 9.Na4 Qa5 10.Qe2 a6) 7.Bb5 a6 8.Bc6 dc6 9.Nc3 Ng6 10.d4 Bg4; C) 6.d4 ed4 (6...d5 7.Nbd2 Qa5 8.de5 Nd7 9.Bd3 de4 10.Be4 Nc6) 7.Nd4 a6 8.Be2 Nbc6 9.0–0 Qb6 10.Nf3 Qc5.

5.Nf3 d5 A) 6.ed5 cd5 (6...Nd5 7.Nc3 a6 8.a4 Be6 9.Nd5 Qd5 10.Be2 Bd6) 7.Nc3 Kf7 8.Be2 e4 9.Nd4 Nf5 10.Nf5 Bf5; B) 6.Qe2 de4 (6...a6 7.d4 de4 8.Qe4 Bf5 9.Qe2 ab5 10.de5 fe5) 7.Qe4 Bf5 8.Qc4 a6 9.a4 Nd5 10.Na3 Be6; C) 6.Nc3 d4 (6...a6 7.ba6 Na6 8.d4 ed4 9.Qd4 Kf7 10.0–0–0 Be6) 7.Na4 Ng6 8.h4 Qa5 9.h5 Nf4 10.g3 Ne6.

5.Nf3 d6 A) 6.Be2 a6 (6...Be6 7.Nc3 a6 8.a4 ab5 9.ab5 Nd7 10.0–0 Kf7) 7.bc6 Nbc6 8.Nc3 Be6 9.0–0 Qa5 10.d4 ed4; B) 6.d4 a6 (6...ed4 7.Nd4 a6 8.Be2 ab5 9.Nd2 Na6 10.a4 b4) 7.bc6 Nbc6 8.Nbd2 ed4 9.Be2 Kf7 10.0–0 d5; C) 6.Nc3 Be6 (6...a6 7.a4 Be6 8.Be2 Kf7 9.0–0 ab5 10.ab5 Nd7) 7.d4 Nd7 8.Be2 Nb6 9.0–0 Nc4 10.Rb1 Qa5.

5.Nh3 A) 5...cb5 A1) 6.Nc3 b4 (6...a6 7.Bd3 Nbc6 8.a4 Nb4 9.ab5 Nd3 10.cd3 d5) 7.Nb5 Ng6 8.a3 Nc6 9.ab4 d5 10.ed5 Nb4; A2) 6.a3 a6 (6...Nbc6 7.Nc3 a6 8.Bd3 d6 9.Nd5 Nd5 10.ed5 Ne7) 7.Nc3 Nbc6 8.Bd3 Kf7 9.0–0 d6 10.a4 b4; A3) 6.Qh5 g6 (6...Ng6 7.Bb5 Nc6 8.0–0 Nb4 9.Na3 a6 10.Bc4 d5) 7.Qh4 Bg7 8.Bb5 Nbc6 9.0–0 0–0 10.Nc3 Nb4; B) 5...d5 B1) 6.Qh5 g6 (6...Ng6 7.Bd3 d4 8.0–0 Bh3 9.Qh3 Nf4 10.Qf3 a6) 7.Qf3 Bg7 8.Nc3 Be6 9.Be2 0–0 10.Ba3 Re8; B2) 6.Bd3 Nd7 (6...cb5 7.Nc3 b4 8.Nd5 Nd5 9.ed5 Qd5 10.0–0 Nc6) 7.Qh5 g6 8.Qf3 Bg7 9.Nc3 Nc5 10.bc6 bc6; B3) 6.Nc3 d4 (6...Be6 7.Bd3 a6 8.f4 d4 9.Ne2 Bh3 10.gh3 ab5) 7.Na4 Ng6 8.c3 d3 9.Qb3 Bh3 10.gh3 Nf4; C) 5...Qb6 C1) 6.Nc3 cb5 (6...a6 7.a4 ab5 8.ab5 Ra1 9.Qa1 d5 10.Qa8 Qc7) 7.a4 b4 8.Nd5 Nd5 9.ed5 Qc5 10.d4 Qd5; C2) 6.f4 d6 (6...cb5 7.fe5 fe5 8.Qh5 Qg6 9.Qg6 Ng6 10.Nc3 Nc6) 7.Na3 Qc5 8.Qh5 g6 9.Qf3 Nd7 10.Nf2 d5; C3) 6.a4 d5 (6...a6 7.Nc3 ab5 8.ab5 Ra1 9.Qa1 d5 10.Qa8 Qc7) 7.Nc3 a5 8.Qh5 g6 9.Qf3 d4 10.Qf6 dc3; D) 5...a6 D1) 6.c4 ab5 (6...d5 7.cd5 ab5 8.d4 Ra4 9.Be2 Qa5 10.Nd2 cd5) 7.cb5 d5 8.Nc3 Nd7 9.d4 c5 10.de5 d4; D2) 6.a4 d5 (6...ab5 7.ab5 Ra1 8.Ba1 d5 9.Nc3 d4 10.Na4 Qa5) 7.Bd3 ab5 8.ab5 Ra1 9.Ba1 Nd7 10.Qh5 g6; D3) 6.bc6 Nbc6 (6...Qb6 7.Nc3 Nbc6 8.Rb1 Qc5 9.Bd3 g6 10.0–0 Bh6) 7.Nc3 d5 8.Be2 d4 9.Nb1 Qb6 10.Qc1 Bh3.

5.Nf3 b6

6.Bc4 d5 7.ed5 cd5 8.Be2 Bb7 9.d4 e4 10.Nfd2 g6 11.0–0 Nf5 12.Nb3 A) 12...a6 13.Ba3 (13.a4 Bd6 14.Ba3 Bf4 15.a5 ab5 16.Bb5 Kf7=) 13...Ba3 14.Na3 0–0 15.c4 dc4 16.Bc4 Kg7=; B) 12...Bd6 13.Bg4 (13.Ba3 a6 14.Bd6 Qd6 15.a4 ab5 16.ab5 Ra1=) 13...Qc7 14.Bf5 gf5 15.Qh5 Kd8 16.Qf5 Qf7+=; C) 12...Qc7 13.Ba3 (13.Bg4 Nd6 14.a4 Nc4 15.Bc3 Bd6 16.h3 f5+=) 13...Bh6 14.Re1 a6 15.Bg4 Ng7 16.Bb4 ab5=.

6.Bc4 d5 7.ed5 cd5 8.Be2 Bb7 9.d4 e4 10.Nfd2 g6 11.0–0 Nf5 12.c4!?+= A) 12...dc4 13.d5 (13.Bc4 Nd6 14.Be6 Bg7 15.Re1 f5 16.Qb3 Nd7+=; 13.Nc4 a6 14.ba6 Ra6 15.d5 Bg7 16.Nc3 0–0+=) 13...Be7 14.Ne4 Qd5 15.Nbd2 Qb5 16.Nf6 Kf8+–; B) 12...e3 13.Nf3 (13.Nb3 ef2 14.Rf2 Bh6 15.Bd3 Be3 16.Bf5 Bf2=; 13.g4 ed2 14.gf5 Qc7 15.Nd2 gf5 16.Kh1 Bd6+=) 13...Bh6 14.Kh1 Nd7 15.Bd3 Nd6 16.cd5 0–0+/–.

6.Bc4 d5 7.ed5 cd5 8.Be2 Bb7 9.d4 e4 10.Nfd2 g6 11.0–0 Nf5 12.Re1 A) 12...Qc7 13.c4 (13.h3 Qf4 14.Bc1 Qc7 15.Bg4 Nd6 16.Na3 a6=; 13.Bg4 Nh6 14.Ba3 Ng4 15.Qg4 f5 16.Qe2 Bg7=) 13...Bd6 14.cd5 Bh2 15.Kh1 e3 16.Bf3 Qf4+=; B) 12...Bd6 13.c4 (13.Bg4 Qc7 14.h3 h5 15.Bf5 gf5 16.Ba3 Bh2=) 13...Qc7 14.cd5 Bh2 15.Kh1 e3 16.Bf3 Qf4+=; C) 12...Be7 13.Bf1 (13.c4 0–0 14.Nc3 Nd4 15.Nd5 Ne2 16.Qe2 Bd5+=; 13.Bg4 Nd6 14.a4 a6 15.Be2 0–0 16.Nc3 Nf5=; 13.f3 Qc7 14.fe4 Ne3 15.Qc1 de4 16.Nc3 Bd6=; 13.h3 0–0 14.Bg4 Qd7 15.Nc3 Bb4 16.a3 Bc3=) 13...Qd7 14.c4 dc4 15.Nc3 Qd4 16.Nde4 Qd1+/–; D) 12...Bb4 13.Bg4 Nh6 14.Bh3 f5 15.a3 Bd6 16.Qe2 Qc7=.

6.Bc4 d5 7.ed5 cd5 8.Be2 Bb7 9.d4 e4 10.Nfd2 g6 11.0–0 Nf5 12.f4?? a6 (better is 12...Ne3!? 13.Qc1 Nf1 14.Qf1 Qc7–+) 13.Re1 a5 (13...Bd6 14.ba6 Na6 15.g3+=) 14.Bh5 (better is 14.Bg4 Ng7 15.Bh3=) 14...Ne3?? (better is 14...Qd7 15.Bg4 Qb5+=) 15.Re3+– gh5 16.Qh5 Kd7 17.Qg4 (17.Qf5 Ke8 18.c4 Be7 19.cd5 Qd5 20.Qd5 Bd5+–) 17...Ke7? (better is 17...Ke8+–) 18.Ba3 Ke8 19.Qe6 Be7 20.Be7 Qe7 21.Qb6 Bc8 (21...Rg8 22.Nb3 Bc8 23.Nc3+–) 22.Qc5 (22.Nc3 Bb7 23.Nb3 Rg8+–) 22...Qe6 (22...Bb7 23.Nb3+–) 23.Rc3 (better is 23.c4 Qd7 24.cd5+–) 23...Rg8?? (23...Kf7+–) 24.Qc8 Qc8 (24...Ke7 25.Qc5 Kf7+–) 25.Rc8 Kf7 26.Rg8 Kg8 27.Nc3 1–0. quetiapin (1620) – wmaes (1615), gameknot.com, 2013.

4.Bc4 d5

5.ed5 cd5

6.Bb3 Nc6 7.a3 a6 8.Qh5 g6 9.Qh4 Be7 10.Qg3 Be6 11.Ne2 Qd7 12.d3 0–0–0 13.Nd2 Nh6 14.f3 Nf5 15.Qf2 d4 16.Be6 Qe6 17.Nc4? b5–/+ 18.g4 bc4 19.gf5 gf5 20.dc4 Qc4 21.0–0–0 d3 22.Nc3 dc2 23.Rd8 Rd8 24.Qb6 Nd4 25.Re1 Rd6 26.Qc5 Rc6 27.Qc4?? Rc4–+ 28.h4 a5 29.b5 Ba3! 30.Nd5 Nb3 0–1. bratek55 (1720) – dt169, kurnik, 2011.

6.Bb3 Nc6 7.a3 Be6 8.Ne2 Bd6 9.0–0 Nge7 10.d3 0–0 11.Nd2 Qd7 12.c4 Kh8 13.Rc1 Rad8 14.c5 Bb8 15.Ng3 Nd4 16.Bd4 ed4 17.Re1 Nf5 18.Qf3 Nh4 19.Qh5 g5 20.Qe2 Rde8 21.Qf1 Bf5 22.Nf5 Qf5 23.g3 Nf3 24.Nf3 Qf3 25.b5 h5 26.c6 bc6 27.bc6 Bc7 28.Qg2 Qd3 29.Bd5 Qd2 30.Rcd1?? Re1–+ 31.Re1 Qe1 32.Qf1 Qf1 33.Kf1 Rd8 34.Bf3 g4 35.Bg2 d3 36.Ke1 d2 37.Kd1 Ba5 (37...Ba5 38.Be4 Re8–+) 0–1. bratek55 (1790) – buryszpak (1710), kurnik, 2011.

6.Bb3 Nh6 7.a3 Nf7 8.Qh5 Be6 9.Ne2 g6 10.Qf3 Bg7 11.Nbc3 a6 12.Nd5 1–0. bratek55 (1710) – kubajakub11 (1735), kurnik, 2011.

6.Bb5 Nc6 7.a3 Be6 8.Ne2 Bd6 9.0–0 Nge7 10.Kh1 0–0 11.f4 Kh8 12.Nbc3 a6 13.Ba4 Rc8 14.Qe1 Bb8 15.Rd1 d4 16.Ne4 b5 17.Bb3 Bb3 18.cb3 Nd5 19.Nc5 Qd6 20.Ng3 Nf4–/+ 21.Nge4 Qd5–+ 22.d3 a5! 23.Bc1 Ne6 24.Ne6 Qe6 25.Nc5 Qd5 26.Bd2 ab4 27.ab4 Bd6 28.Rc1 Bc5 29.Rc5 Qb3 30.Rb5 Qd3 31.Rb7 e4 32.Bf4 e3 33.Rf3?! Qe4 34.Rd7 Ne5 35.Be5 fe5 36.Rc7 e2 37.h3 d3 38.Rc1 Rc1 39.Rf8 1–0. orangutanb4 (1970) – paauloo (2045), kurnik, 2011.

6.Bb5 Nc6 7.a3 Be6 8.f4 Bd6 9.Qe2 e4 10.Nf3 Nge7 11.Nd4 Bf7 12.0–0 0–0 13.Bc6 Nc6 14.Nc6 bc6 15.Kh1 Re8 16.Nc3 f5 17.Na4 Qe7 18.Qe3=+ Rab8 19.Bd4 Rb7 20.Nc5 Bc5 21.Bc5 Qd7 22.Rg1 Bh5 23.h3 Qf7 24.g4 fg4–/+ 25.hg4 Bg6?? 26.f5+– Bf5 27.gf5 Qf5 28.Raf1 Qh5 29.Kg2 Re6?? 30.Kf2 Rf7+– 31.Ke1 1–0. orangutanb4 (1960) – buryszpak (1705), kurnik, 2011.

6.Bb5 Bd7 7.Bd7 Nd7 8.a3 a5 9.b5 b6 10.Qh5 g6 11.Qh4 Bg7 12.Nc3 Ne7 13.Nge2 Nc5 14.0–0 0–0 15.f4 Nf5 16.Qg4 e4 17.Nd1 d4 18.Ng3 Ng3 19.hg3 f5 20.Qe2? d3 21.cd3 Nd3 22.Bg7–/+ Kg7 23.Ne3 Qd7 24.Rab1 Rac8 25.g4 Rc5 26.a4 Qd4 27.g5? Qd6 28.g3 Rfc8 29.Kg2 Rc1 30.Rbc1–/+ Rc1 31.Rc1 Nc1 32.Qd1 Qc5 33.Qb3?? Nb3–+ (33...Nb3 34.Nf1 Qc4 35.Kf2 Nd4 36.g4 Qe2 37.Kg3 Qf3 38.Kh2 Qf2 39.Kh3 fg4 40.Kg4 Qf3 41.Kh4 Nf5) 0–1. bratek55 (1670) – fatamorgazam, kurnik, 2011.

6.Bb5 Bd7 7.Bd7 Nd7 8.a3 Bd6 9.f4 Ne7 10.Nf3 0–0 11.0–0 Rc8 12.Nc3 ef4 13.Kh1 Ng6 14.Nd4 Nde5 15.Ne6+/– Qe7 16.Nf8 Rf8 17.Nd5 Qe6 18.Be5 Qe5 19.c4 f3 20.g3 Nh4? 21.d4 Qh5 22.gh4 Qh4 23.Qd2 Re8 24.Qf2 Qh3 25.Rae1 Re1 26.Re1 g5 27.c5 Bf8 28.Nf6 Kg7 29.Ne4 g4 30.Ng3 1–0. orangutanb4 (1985) – joker1n (1655), kurnik, 2011.

6.Bb3 Bb4

7.a3 Bc5 (7...Ba5 8.Qh5 g6 9.Qf3 Be6 10.Ne2 Nc6 11.Nbc3–/+) 8.d4 ed4 9.Ne2–/+ Nc6 10.Nd4 Qa5 11.Bc3 –/+.

7.a3 Bc5 8.Qh5 g6 9.Qh4 Be6 10.Ne2 Nc6 11.0–0 f5 12.Qa4 Qd7 13.Kh1 Nge7 14.f4 0–0 15.fe5 d4?? 16.Be6?? Qe6+= 17.d3 Rad8 18.Nd2 Ne5 19.Nf4 Qf7 20.Rae1 N7c6=+ 21.Nc4 Nc4 22.dc4 Rfe8 23.Nd5 Re1 24.Re1 Re8?? 25.Rf1 Kg7 26.Qb3 Re2 27.Qg3 Rc2 28.Ba1 Qe6 29.h3? Qe2 30.Re1 Qf2 31.Qf2 Rf2 32.Rd1 Kf7 33.Nf4?? Ra2 34.Nd3 Ba3 35.Nc1 Bc1 36.Rc1 d3 37.Rd1 d2 38.Bc3 Rc2 39.Bd2 Rc4 40.Bf4 Rd4 41.Rg1 Rf4 42.Re1 Re4 43.g4 Re1 44.Kg2 f4 45.Kf3 g5 46.h4 h6 47.h5 Kf6 48.Kf2 Re3 49.Kg2 Ke5 50.Kf2 Ke4 51.Kg2 f3 52.Kf2 Kf4 53.Kg1 Kg3 54.Kf1 Ne5 55.Kg1 Re1 0–1. nizinna (1620) – mariok2 (1915), kurnik, 2011.

7.Nc3 Bc3 (7...Be6 8.Qh5 g6 9.Qf3 Bc3 10.Bc3 Nc6 11.Ne2–/+; 7...Ne7 8.Qh5 g6 9.Qf3 Bc3 10.Bc3 Qd6 11.Rb1–/+) 8.Bc3 Ne7 9.Qh5 Ng6 10.Ne2 d4 11.Bb2 –/+.

7.f4 Nc6 8.Qh5 g6 9.Qe2 Nge7 10.fe5 fe5 11.Nf3 –/+.

7.Qh5 g6 8.Qe2 Ne7 9.f4 ef4 10.a3 Bc5 11.Nc3 –/+.

6.Bb3 Be6

7.a3!?+= a5 8.ba5 Nc6 9.Ne2 Na5 10.d4 Qc7 11.0–0 +=.

7.a3 a5 8.b5 Bd6 9.Ne2 Nd7 10.0–0 a4 11.Ba2 Ne7 12.d3 0–0 13.Nd2 Kh8 14.c4 d4 15.Ne4 Bc5 16.N2g3 Ng6 17.Bc1 Bg8 18.f4 f5 19.Nc5 Nc5 20.fe5 Ne5 21.Rf5 Ned3 22.Qf3 Rf5 23.Qf5 Qe7 24.Bg5 Qd6 25.Rf1 Re8 26.Bb1 g6?? 27.Qf6 (27.Qf6 Qf6 28.Bf6; 27.Bf6 Qf6 28.Qf6) 1–0. bratek55 – zakonnicafiglar, kurnik, 2011.

7.a3 Nh6 8.Nf3 Be7 9.0–0 0–0 10.d3 a6 11.Nbd2 Nc6 12.c4 Qd7 13.cd5 Bd5 14.Bd5 Qd5 15.Qb3 Qb3 16.Nb3 Rfd8 17.Rfd1 Nf5 18.Rac1 Rd7 19.g4 Nfd4 20.Nfd4 Nd4 21.Bd4 ed4 22.Nc5 Bc5 23.Rc5 Kf7 24.Rdc1 Re8 25.Kg2 Re2 26.Rc7 Ree7 27.Rd7 Rd7 28.Kf3 Ke6 29.Ke4 g6 30.f4 f5= 31.gf5 gf5 32.Kf3 b6 33.a4 Kd5 34.Rc8 Rd6 35.Rf8 Ke6 36.Rh8 Rd7 37.Ra8 a5 38.ba5 ba5 39.Ra5 Rb7 40.Re5 Kf6 41.a5 Rb3+= 42.Ke2 Rb2 43.Kd1 Rh2 44.Rd5 Ra2 45.Rd6 Ke7 46.Rh6 Ra5 47.Rh7 Kf6 48.Rh6 Kg7 49.Rd6 Ra4 50.Kc2 Kf7 51.Kb3+/– Ra1 52.Rd4 1–0. bratek55 (1640) – henryk410 (1625), kurnik, 2011.

7.Ba4 Nd7 (7...Nc6 8.a3 Bd6 9.Qh5 g6 10.Qf3 Rc8 11.Nc3=) 8.a3 a5 9.Qh5 g6 10.Qe2 Kf7 11.ba5 +=.

7.b5 a6 8.d4 e4 9.Ne2 Bb4 10.Nbc3 Qd7 11.Nf4 =.

7.b5 Bb4 8.Nf3 Ne7 9.0–0 0–0 10.Qe2 Ng6 11.Qe3 +=.

7.b5 Qb6 8.Nc3 d4 9.Na4 Qb5 10.Be6 Qa4 11.Qe2 +=.

7.b5 Qd7 8.Nc3 Bb4 9.Qh5 Kd8 10.Qe2 Ne7 11.a3 =.

7.b5 Nd7 8.Nf3 Nc5 9.0–0 Nb3 10.ab3 Qb6 11.Qe2 +=.

7.b5 Nd7 8.Qh5 g6 9.Qh4 Bg7 10.Ne2 Ne7 11.f4 0–0 12.0–0 Nf5 13.Qf2= e4 14.g4 Nd6 15.a4 Rc8 16.h3 Nc5=+ 17.Ba2 Qd7 18.d4? Na4 19.Bd5? Bd5 20.Ra4 f5 21.g5 Rc2 22.Ba3 Rfc8 23.Ra7 e3 24.Qh2 Qe6 25.Bc5 Nb5 26.Ra5 Qe4 27.Re1 b6 28.Rb5–+ bc5 29.Rc5?? R8c5 30.dc5 Re2! 31.Re2 Qb1 (31...Qb1 32.Re1 Qe1) 0–1. nizinna – welcometo (1835), kurnik, 2011.

7.b5 Nh6 8.Nf3 Qd7 9.Qe2 Bb4 10.a3 Be7 11.0–0 =.

7.c3 a5 (7...Nh6 8.Nf3 Bd6 9.0–0 0–0 10.Re1 a5 11.ba5+=; 7...Bd6 8.Qh5 g6 9.Qe2 a5 10.ba5 Nc6 11.Nf3+=) 8.ba5 Nc6 9.Nf3 e4 10.Nd4 Nd4 11.cd4 +=.

7.Nf3 Bb4–/+ 8.Ne5 (better is 8.0–0!?–/+ Ne7 9.d4 e4 10.Nfd2 Qd7 11.c4–/+; 8.a3 Bd6 9.d4 Nc6 10.de5 fe5 11.Qe2–/+) 8...fe5–+ 9.Qh5 Kd7 10.Bd5 (10.Be5 Nf6 11.Qg5–+) 10...Bd5 11.Qg4 Ke8 12.Qb4 Nc6 13.Qg4 Nf6 14.Qe2 Kf7 15.0–0 Re8 16.Nc3 Rc8 17.Nd5 Qd5 0–1. Jahnke,Bernd (1800) – Zeldin,Vitali (1870), Dortmund op–B, 2004.

4.d4 Bb4

5.c3 Bd6

6.Bc4 Qb6 7.Bc1 ed4 8.cd4 Bb4 9.Kf1 Ne7 =+.

6.Bc4 Qb6 7.Bc1 ed4 8.Qd4 Bc5 9.Qd2 Ne7 –/+.

6.Bc4 Qe7 7.Nf3 ed4 8.Nd4 Qe4 9.Kf1 Be7 –/+.

6.Bc4 Qe7 7.Nf3 ed4 8.Nd4 Qe4 9.Kf1 Ne7 –/+.

4.Be5! fe5?

5.Qh5 Ke7

6.Qe5 Kf7

7.Bc4 d5

8.ed5 Bb4? 9.dc6 Kg6 10.c7 +–.

8.ed5 Bb4 9.dc6 Kg6 10.Qg3 Kf5 11.Bd3 Ke6 12.Qe3 Kf7 13.Qf4 Nf6 14.Bc4 Kf8 15.cb7 Bb7 16.Nf3 Bf3 last book move 17.Qf3 Bd2?? (better is 17...Nbd7+= A) 18.0–0 Ne5 19.Qe2 Qc7 20.Bb3 Re8 21.Qd1 g6 22.Ba4+=; B) 18.Be6 Ne5 (18...Nc5 19.Bf5 g6 20.c3 gf5 21.cb4 Nd3 22.Kf1–/+; 18...Nb6 19.0–0 Bd6 20.g3 Rb8 21.Re1 g6 22.d4=; 18...Rb8 19.0–0 Qe7 20.Re1 Nc5 21.a3 Bd2 22.Nd2+=) 19.Qf5 Qd6 20.0–0 Re8 21.Bb3 Neg4 22.g3–/+; C) 18.Bb3 Ne5 (18...Qe8 19.Kd1 Qe4 20.Qe4 Ne4 21.Rf1 Bc5 22.Bd5+=; 18...Qe7 19.Qe3 Re8 20.0–0 Qe5 21.c3 Bd6 22.Qe5+=; 18...g6 19.0–0 Kg7 20.d4 Re8 21.Rd1 Rc8 22.a3+=) 19.Qg3 Qd4 20.Nc3 Nc4 21.Bc4 Qc4 22.Qd3–/+; D) 18.Be2 g6 (18...Rc8 19.0–0 Qc7 20.Bb5 Nb6 21.c3 Bd6 22.Qh3+=; 18...Rb8 19.c3 Bd6 20.d4 g6 21.c4 Kg7 22.c5+=; 18...Ne5 19.Qg3 Bd6 20.Nc3 Rc8 21.Qe3 Neg4 22.Qh3+=; 18...Nb6 19.a3 Bd6 20.Nc3 Kf7 21.Qb7 Kg6 22.0–0+=) 19.a3 Bd6 20.Nc3 Kg7 21.Nb5 Bc5 22.0–0+=) 18.Nd2+– Qd4 (18...Nbd7+–) 19.Rd1 (19.Qa8?! Qa1 20.Ke2 Qe5 21.Kd3 Qd6 22.Kc3 Qe5 23.Kb3 Qc7+–) 19...Qe5 20.Be2 Qd5 (20...Nc6 21.Qc6 Re8 22.Qc4+–) 21.0–0 (better is 21.Qa3 Ke8 22.Qe3 Kf7+–) 21...Nc6 (21...Nbd7 22.Qd5 Nd5 23.Bf3+–) 22.Nc4 (better is 22.Qa3 Ne7 23.Bf3 Qd8+–) 22...Qf3 23.Bf3 (23.gf3?! Re8 24.Ne3 Nb4+–) 23...Rc8 24.Bc6 Rc6 25.Ne3 (better is 25.Rd8 Ke7 26.Rh8 Rc4+–) 25...Kf7 26.Rd3 Ra6 27.a3 Re8 28.Rb1 Rb6 29.Rb6 ab6 30.Rb3 Nd5 31.Kf1 Ke6 (31...Ne3 32.fe3 Re6+–) 32.Nd5 Kd5 33.Rb6 Re7 34.a4 Re4 35.a5 Ra4 36.a6 Ra1 37.Ke2 Kc5 38.Rb7 Ra6 39.Rg7 Re6 40.Kf1 h6 41.Rg3 Rd6 42.Re3 Rd1 43.Ke2 Rc1 44.c3 Kd5 45.f4 Rc2 46.Kf3 Rc1 47.Kg3 Rc2 48.f5 Rc1 49.f6 Rf1 50.Rf3 Rf3 (50...Rb1 51.f7 Rb8 52.f8Q Rf8 53.Rf8+–) 51.gf3 Ke6 52.Kf4 Kf6 53.Ke4 Ke6 54.Kd4 Kd6 55.c4 Ke6 56.c5 Kf5 57.Kd5 Kf4 58.c6 h5 (58...Kf3 59.c7+–) 1–0. Bonetti,Shane – MacChess 5.0, 2000.

8.ed5 cd5 9.Bd5 Kg6 10.Nh3 Qe7 11.Nf4 Kh6 12.Be6 g5 13.h4 gf4 14.Qf4 Kg7 15.Qe5 Qf6 (15...Nf6 16.Qg5; 15...Kh6 16.Qe3!) 16.Qf6 Nf6 17.Bc8. Hecht – Neumann, Berlin, 1956.

8.ed5 Qe7?? 9.d6.

8.ed5 Qe8? 9.d6 Be6 10.Nf3! –+.

8.ed5 Kg6 9.Qg3 Kh6 10.Qe3 Qg5 11.Qg5 Kg5 12.Nf3 Kf6 =+.

8.ed5 Bd6 9.dc6 Kf8

10.cb7 Be5 11.ba8Q Qe7 12.Ne2 +/–.

8.ed5 Kg6

9.Ne2 Qe7!? 10.Nf4 Kh6 =.

9.Ne2 Nf6??

10.Nf4 Kh6 11.h4 +–.

10.Qg3 Ng4

11.Nf4 Kg5 12.f3 Bd6 13.h4 Kf6 14.fg4 Re8 15.Kf1 Re4 16.Nh5 Ke7 +/–.

11.Nf4 Kg5 12.f3 Qf6?? 13.h4+– Kh6 14.fg4 Qe5 15.Be2 Bg4 16.Qg4 Nd7 17.Nd3 Nf6 18.Ne5 Ng4 19.Ng4 Kg6 20.dc6 bc6 21.Ne5 Kf6 22.Nc6 Ke6 +–.

11.h3 Qf6 12.c3 Bd6 13.f4 cd5 14.Bd5 Bb4?? 15.hg4 Qb6 16.g5 Be6 17.f5! Kf7 18.Be6 1–0. Fritz 6 – EXchess 3.11, 2003.

7.Bc4 Kg6

8.Qf5 Kh6 9.Qh3 Kg6 10.Qf5 =.

8.Nh3 d5 9.Nf4 Kf7 10.ed5 Qe7?? (10...b5 11.Ne6 Qf6 12.Ng5 Kg6 13.Bd3 Kh5 14.Be2 Kh6 15.Qf6 gf6 16.Nf7 Kg7 17.Nh8 Kh8 18.dc6 Nc6+–) 11.d6+– (11.d6 Ke8 12.de7 (12.Qe7?! Ne7 13.de7 Be7+–) 12...Ne7 13.Nh5+–) 1–0. Schiffler – Pinkerneil, Soemmerda, 1950.

5.Qh5 g6??

6.Qe5 Qe7

7.Qh8 Qe4 8.Ne2 (8.Kd1 Qb4 9.Qg8 Qb2 10.Bc4 Qa1+–) 8...Nh6 (8...Qb4 9.a3 Qc4 10.Qh7 Qe6+–) 9.Qh7 (9.Nbc3 Qb4 10.Qh7 Qg4+–) 9...Qc2 10.Nbc3 Ng4?? (10...Qf5+–) 11.Nd4 (11.Nd4 Nf6 12.Qh8+–) 1–0. Pommerel,Wim – Papadoypolos, corr CiF CP2, 1990.

7.Qh8 Nf6

8.d3 Qb4 9.Nd2 Qc3 +–.

8.f3 d5 9.Nc3?? Kd7 10.g3 Kc7 =.

8.f3 d5 9.Nc3?? de4? 10.0–0–0–/+ ef3?? 11.Nf3+– Qg7 12.Re1 Kd8 13.Qg7 Bg7 14.Ng5 Bf8 15.Ne6 Be6 16.Re6 Nbd7 17.b5 Ba3 18.Kb1 c5 19.Bd3 Bb4 20.Rf1 Bc3 21.dc3 Ne8 22.Rf7 Rb8 23.b6 ab6 24.Bb5 Nc7 25.Rd7 Kc8 26.Rc7! Kc7 27.Re7 Kd6 28.Rh7 Ke5 29.a4 g5 30.Bd3 Kf4 31.Rf7 Ke3 32.Kc1 g4 33.h3 c4 34.Re7 Kf2 35.Bc4 gh3 36.gh3 Rc8 37.Bd5 Rc3 38.Rb7 Rh3 39.Rb6 Rg3 40.a5 Ra3 41.Rf6 Ke1 42.Re6 Kf2 43.a6 Ra5 44.c4 Ra2 45.Kb1 Ra4 46.c5 Ra5 47.Bc4 Ra4 48.Re2 Kf3 49.Ra2 Rb4 50.Ka1 Rc4 51.a7 Rc1 52.Kb2 Re1 53.a8Q Kg3 54.Qg8 Kf4 55.Ra4 Re4 56.Qf8 Ke3 57.Ra3 Kd2 58.Qd6 Ke1 59.Qg3 Ke2 60.Qg2 Kd1 61.Ra1# 1–0. MacChess 5.0 – MacChess 5.0, 2000.

8.f3 d6 9.g4 Be6! 10.g5 Nbd7 11.gf6 Nf6 12.Nh3 (12.e5!? de5 13.Nc3 Bg8 14.Ne4! Bg7 15.Nf6) 12...Bg8 13.Nf4 Bg7 14.Ng6 Qf7!

8.Nf3 Ne4 9.Be2+– Qb4 (9...d5 10.c3 a5 11.d3 Qf6 12.Qf6 Nf6 13.ba5+–) 10.Bd3 d5 11.Be4 de4 12.Ng5 h6 13.Qe5 +–.

8.g4?? Qe4= 9.Ne2 Qh1 10.Qf6 Qh2 11.Nbc3 (11.Nf4 Qg1 12.a4 Bb4 (12...Qg4?? 13.Ra3+–) 13.Qh8 Bf8+/–) 11...d6 (11...d5 12.Nf4+=) 12.0–0–0. Schuehler – Hafner, corr, 1965.

8.Nf3 d6

9.Nc3 Kd7 (9...Ne4 10.Ne4 Qe4 11.Kd1 Bg4 12.Be2 Qb4 13.Re1+–) 10.Bc4 Kc7 11.Nd4 Bg7 12.Ncb5 cb5 13.Nb5 +–.

9.Bc4 Bg4 10.Ng5?? (10.e5 Nbd7 11.0–0 de5 12.Ng5+/– 0–0–0 13.Nf7 Re8 14.b5 cb5=; 10.0–0 Kd7 11.e5 Bg7 12.ef6 Bf6 13.Qg8 Ba1 14.Re1 Be5+–) 10...Ne4= (10...Kd7 A) 11.h3 Bg7 (11...Ne4 12.Qh7 Bg7 13.Ne4 Qe4 14.Kf1 Qc4 15.Kg1+–; 11...Bf5 12.Nh7 Bg7 13.Nf8 Bf8 14.Qh4 d5 15.Bd3–/+) 12.Qg7 Qg7 13.hg4 d5 14.ed5 Qe7 15.Ne6–/+; B) 11.Be6 Be6 12.Ne6 Ke6 13.e5 de5 14.Nc3 e4 15.0–0–/+; C) 11.Ne6 Be6 12.Be6 Ke6 13.e5 de5 14.Nc3 e4 15.0–0–/+; D) 11.Be2 Be2 (11...Bg7 12.Bg4 Ng4 13.Qh7 Ba1 14.Qg6 Nf6 15.Qf5+=) 12.Nh7 Nh7 13.Ke2 Bg7 14.Qh7 Ba1 15.Qg6=) 11.0–0 (11.Qh7!? Ng5 12.Qe7 Be7 13.Bd3+= Kf7 14.h4 Ne6 15.f3+=; 11.Ne6 Be6 12.Be6 Qe6 13.0–0 Qf7 14.c3 Nf6 15.b5–+; 11.Bf7 Kd7 (11...Kd8 12.Ne6 Be6 13.Be6 Ng5 14.Kd1 Ne6 15.Re1–/+) 12.Be6 Be6 13.Ne6 Ke6 14.Qb2 Qf6 15.Qf6–/+) 11...Ng5–/+ (worse is 11...Qg5 12.Qh7 d5 13.Qb7+= (13.f4 Qf6 14.Nc3 Nd7 15.Ne4+=) 13...Bh3 14.g3 Bf1 15.Qa8+=) 12.Qd4 (12.Nc3 Qg7 13.Qg7 Bg7 14.Rae1 Kd7 (14...Kf8+= 15.f3+=) 15.f4+=; 12.h4 Qg7 13.Qg7 Bg7 14.c3 Ne6 15.f3+=) 12...Be6 (12...Be2 13.Be2 Bg7 14.Qg4 (14.Qd3 Ba1 15.Re1–+) 14...Ba1 15.Re1–+) 13.Be6 (13.c3!? Bg7 14.Qd3–/+ d5 15.Bb3–/+) 13...Bg7–+ (13...Qe6 14.Nc3 Qf5 (14...c5 15.Qh8+/–) 15.Rae1=; worse is 13...Ne6 14.Qg4+= Nd7 15.Re1+=) 14.Bf7 (14.Qe3 Ba1 15.Bc8–+) 14...Kf8 (14...Kf7?! 15.Qf4 Qf6 16.Qg4–/+; 14...Qf7?! 15.Re1 Kd7 16.Qg4 Qf5 17.Qf5 gf5 18.c3–/+) 15.Qf4 (15.Qd3–+) 15...Be5 (15...Ba1?! 16.Bg6 Bf6 17.Bd3–/+; 15...Nf7?! 16.Nc3–/+; 15...Qf7?! 16.Qd6 Qe7 17.Qe7 Ke7 18.Re1 Ne6 19.c3=) 16.Qe3 Ba1 (16...Qf7?! 17.d4 Bf4 18.Qc3+=; 16...Nf7?! 17.d4 Bg7 18.Nd2+=; 16...Kf7?! 17.c3 Bf6 18.Qd3+=) 17.Bb3 Bf6 18.h4 (18.c4 Nd7–+) 18...Nf7 19.Na3 (19.h5 gh5 20.c4 Nd7–+) 19...d5 20.c3 (20.c4 d4 21.Qe7 Be7–+) 20...Bh4 (20...a5 21.c4 d4 22.Qe7 Be7 23.Re1–+) 21.Qh3 Kg7 22.Nc2 Bf6 0–1. Kraft,R – Hentschel,G, BdF, 1957.

9.d3 Kd7 (9...d5 10.e5 Qb4 11.Nbd2 Qc3+– 12.Rb1 Nfd7 13.Kd1+–) 10.g3 Kc7 11.Nh4 Bg7 12.Ng6 Qf7 13.Qc8 –+.

9.e5 de5 (9...Nbd7 10.Nc3 Ne5 11.Ne5 Bf5 12.0–0–0 de5 13.Bd3+=) 10.Bc4 Bf5 11.Ng5 (11.c3 A) 11...Nbd7 12.Ng5 (12.0–0 0–0–0 13.d4–+) 12...h6 (12...0–0–0+/– 13.Nf7+/–) 13.Nf7+/–; B) 11...Kd7 12.Bf7 Kc7 13.Ng5+=; 11.0–0 Kd7 12.Ne5 Qe5 13.Qf8+–) 11...Nbd7 (11...Kd7 12.Nf7 Be4 13.0–0+–) 12.Bf7 (12.c3 h6 (12...0–0–0 13.Nf7 Re8+=) 13.Nf7+/–; 12.b5 0–0–0 13.bc6+/–) 12...Kd8 13.Nh7?? (better is 13.Bb3+–) 13...Nh7 14.Qh7 Nf6 15.Qh4 Qf7 16.d3 Be7 (16...e4 17.a3–/+) 17.a3 (17.Qh8!? Qe8 18.Qe8 Ke8 19.a3–/+) 17...Nh5–/+ Black is in command 18.Qc4 Qc4 19.dc4 Bc2 20.Kd2 Bf5 21.Rd1 Kc7 22.Nc3 Rd8 23.Ke3 Rd4! 24.c5 (24.Rd4 ed4 A double attack) 24...Rc4 25.Nb1 Rc2 Do you see the mate threat? 26.Nd2 (26.h4–+) 26...Bg5 27.Ke2 Nf4 28.Kf1 (28.Ke1–+) 28...Bd3 29.Kg1 Ne2 (29...Ne2 30.Kh1 Bd2–+ (30...Rd2?! 31.Rd2 Bd2 32.Rd1–+)) 0–1. Andersson,Lars H – Dopper,Johan, corr, 1991.

9.Ng5 h6 10.h4 Be6.

4.Be5 Qe7

5.Bb8 Rb8 6.Nc3 d5 7.a3 d4 8.Nce2 Qe4 9.Nf3 +=.

5.Bc3 a5 6.ba5 Qe4 7.Qe2 d5 8.Qe4 de4 9.d3 +=.

5.Bc3 d5 6.Qh5 g6 7.Qe2 de4 8.f3 ef3 9.Nf3 =.

5.Bd4 Qe4 6.Qe2 Qe2 7.Be2 Bb4 8.a3 Be7 9.Nf3 +=.

5.Bf4 Qe4 (5...d5 6.a3 Qe4 7.Qe2 Bf5 8.Qe4 Be4 9.d3=) 6.Ne2 Bb4 7.a3 Ba5 8.Be3 d5 9.Nbc3 +=.

5.Bb8 Qe4

6.Qe2 Qe2 7.Be2 (7.Ne2 Rb8+= 8.b5 cb5 9.Nbc3 a6 10.g3 Ne7+=) 7...Rb8 8.c3 d5 9.Nf3 Bd6 10.d4 Ne7 =.

6.Be2 Rb8+= 7.Nf3 Qb4 (7...Bb4 8.a3 Be7 9.0–0 d5 10.Re1 Qf4+=; 7...Qg4 8.0–0 Qb4 9.c4 Ne7 10.a3 Qa5+=) 8.0–0 Be7 (8...d5 9.Re1 Bd6 10.Nc3 Ne7–/+) 9.Re1 (9.c4 Nh6 10.Re1 0–0+=) 9...Nh6 (9...d5 10.a3 Qf4+=) 10.a3 Qb6 (10...Qf4+=) 11.Nc3 (11.d4 d5+=) 11...Ng4 (11...d5 12.Bd3+=) 12.d4 d5 13.Nh4 (13.Bd3 Qc7+=) 13...Nh6 14.Bh5 Kd8 15.Qe2 (15.Qd2 Qa5–/+) 15...Bd6 16.Qe3 (16.Qd3 g5 17.Nf3 Qc7–/+) 16...Bd7 (16...Bg4 17.Na4 Qc7 18.Bg4 Ng4 19.Qf3 Nh2 20.Qh3–/+) 17.Be2 (17.Nf3 Qc7–/+) 17...Qc7 18.g3 g5 19.Ng2 Re8 (19...Nf5 20.Qd3–/+) 20.Qd2 Nf5 21.Na4 (21.Qd3–/+) 21...c5 (better is 21...Re4!? 22.c3 g4–/+) 22.Nc5+= Bc5 23.dc5 Qc5 24.Rad1 Rc8 (24...Qa3? 25.Qd5 Nd6 26.Qd6 Qd6 27.Rd6+–) 25.Bg4 (25.Qd5 Qd5 26.Rd5 Re5= (worse is 26...Rc2 27.Bg4 Re1 28.Ne1+–)) 25...Re1+= (25...Qc2?? 26.Re8 Ke8 27.Qd5 Qd1 28.Qd1+–) 26.Re1 (26.Ne1 Ne7 27.Bf3 Ke8+=) 26...Ne7 (26...Nd4 27.Bd1–+) 27.Bf3 (27.Bd7 Kd7 28.Ne3 Qc3+=) 27...Qc2 (27...Qc3 28.Qd1 Qc2 29.Ne3 Qd1 30.Rd1–/+ (30.Nd1? Rc1–+)) 28.Qd5?? (better is 28.Qa5 Qc7 29.Qa7+=) 28…Qc7 ½–½. Benidze,Giga – Malureanu,Costin George, EU–ch U10 Herceg Novi, 2005.

6.Ne2 Rb8 7.a3 d5 8.Nbc3 Qe6 9.f3 +=.

6.Ne2 Rb8 7.a3 d5 8.d4 Bf5 9.c3 Bd6 10.Nd2 Qe6 –/+.

6.Ne2 Rb8 7.a3 Qe6 8.h4 Nh6 9.d4 d5 10.Qd3 Bd6 –/+.

6.Ne2 Rb8 7.b5 Qe6 (7...d5 8.Nbc3 Qe6 9.d4 Bd6 10.Rb1 Ne7+=; 7...cb5 8.Nbc3 Qf5 9.a3 a6 10.Ng3 Qe5=; 7...Qe5 8.Nbc3 cb5 9.d4 Qg5 10.Ne4 Qd5+=; 7...Qe7 8.Nbc3 d5 9.Qb1 d4 10.Nd1 Bd7+=) 8.c3 cb5 9.g3 Qc6 10.Rg1 b4 +=.

6.Ne2 Rb8 7.c3 d5 (7...Qe6 8.h4 Ne7 9.Rh3 Nf5 10.g4 Ne7+=; 7...Qe7 8.Na3 a5 9.Nc2 ab4 10.cb4 d5+=; 7...Ne7 8.d4 d5 9.Nd2 Qe6 10.Nf3 Ra8+=; 7...Ra8 8.d3 Qe6 9.g3 a5 10.ba5 Qd5+=) 8.f3 Qe6 9.d4 Bd6 10.Qa4 Ra8 –/+.

5.Bc3 Qe4

6.Qe2 d5 7.Qe4 de4 8.a3 Bg4 (8...Bd6 9.d3 ed3 10.Bd3 Ne7 11.Nd2 Nd5=; 8...Ne7 9.d3 Bf5 10.Nd2 ed3 11.Bd3 Bd3=; 8...Nh6 9.d3 Bf5 10.Nd2 ed3 11.Bd3 Nd7=; 8...Be6 9.Ne2 Nd7 10.Bb2 c5 11.bc5 Nc5=) 9.Be2 Bf5 10.Bd4 Nd7 11.Nc3 a5 =.

6.Qe2 d5 7.Qe4 de4 8.Bc4 Nh6 (8...Bd6 9.Ne2 b5 10.Bb3 a5 11.ba5 Ne7=; 8...b5 9.Bb3 a5 10.ba5 b4 11.Bb2 Ra5=; 8...Ne7 9.a3 Nd5 10.Ne2 Bd6 11.Bd4 Be6=; 8...Nd7 9.Ne2 Nb6 10.Bb3 Nd5 11.b5 Bc5=) 9.d4 ed3 10.Bd3 Bf5 11.Nf3 Bd3 =.

6.Qe2 d5 7.Qe4 de4 8.d3 Bf5 (8...ed3 9.Bd3 Ne7 10.a3 Nd5 11.Bd2 Bd6=; 8...Na6 9.b5 Nc5 10.d4 Na4 11.bc6 bc6=; 8...f5 9.Nd2 ed3 10.Bd3 Ne7 11.a3 Nd5=) 9.Nd2 (9.a3 Ne7 10.Nd2 ed3 11.Bd3 Bd3=) 9...ed3 10.Bd3 Bd3 11.cd3 Ne7 (11...Na6=) 12.Ne2 Nd5 13.a3 a5 14.ba5 Nc3 15.Nc3 Ra5 16.Nc4 Ra6 (16...Ra8 17.a4=) 17.Kd2 (17.Rb1!? Ra7 18.a4=) 17...b5+= 18.Ne3 (18.Rhb1 Nd7 19.Nb5 cb5 20.Rb5 Bc5+=) 18...Ra3 (18...Ba3 19.d4–/+) 19.Nf5 (19.d4 g6–/+) 19...g6 20.Nd4 Kd7 21.Ra3 Ba3 22.Ra1 Bc5 23.Nce2 (23.Nf3 Re8–/+) 23...Re8–+ 24.Ra8 Kc7 25.Kc3 Kb7 26.Ra2 Nd7 27.Nc1 Nb6 (27...b4 28.Kc4–+) 28.Ncb3 (28.Nf3–+) 28...Nd5 29.Kd2 (29.Kb2 Bb4–+) 29...Bb4 30.Kc2 Kb6 31.Nc1 (31.Rb2 Bc3 32.Rb1 c5–+) 31...Bc5 (31...Bc5 32.Nf3 Nb4 33.Kd2 Na2 34.Na2 Bf2–+) 0–1. Markus,Robert – Lohr, corr SOK–88–18, 1988.

6.Qe2 d5 7.Qe4 de4 8.Ne2 Ne7 (8...Bd6 9.Ng3 Bg3 10.hg3 Ne7 11.d3 ed3=; 8...Be6 9.Ng3 Bd5 10.Be2 Nd7 11.0–0 Nh6=; 8...f5 9.Nf4 Nf6 10.Bc4 b5 11.Bb3 Bd6=; 8...Na6 9.a3 Bd6 10.Bd4 Nc7 11.Nbc3 Bf5=) 9.Ng3 Nd5 10.a3 f5 11.Bd4 a5 =.

6.Qe2 Qe2 7.Be2 +=.

4.f4 d6

5.f5 g6

6.Nc3 d5 7.a3 d4 +=.

6.c4 d5 7.cd5 cd5 (7...Bb4 8.a3 Bd6 9.Nc3 Ne7 10.dc6 Nbc6 11.Rc1+=) 8.fg6 hg6 9.ed5 Qd5 10.Nc3+= Qd8 11.a3 +=.

6.c4 Nh6 7.Nc3 (7.d4 A) 7...ed4 8.Qd4 (8.fg6 hg6 9.Qd4 Nd7= 10.Nd2 Ne5 11.Ngf3+=) 8...Nd7 9.Be2 Qe7 10.fg6 hg6 11.Nf3=; B) 7...gf5 8.Qh5 Ke7 9.c5 fe4 10.Nd2 Bf5 11.Qh4+=; 7.fg6 hg6 8.Nf3 d5 9.cd5 Bb4 10.Qb3 Bd6 11.Nc3=; 7.Bd3 gf5 (7...Rg8 8.fg6 hg6 9.Nf3 Be6 10.Nc3 g5 11.h3=; 7...Qb6 8.a3 a5 9.b5 Na6 10.Nc3 Nc5 11.Bc2=; 7...Na6 8.a3 Rg8 9.fg6 Rg6 10.Qe2 Qb6 11.Nf3=; 7...a5 8.b5 Rg8 9.fg6 Rg6 10.Qe2 Bg4 11.Nf3=; 7...Qd7 8.fg6 hg6 9.Nf3 Qg4 10.0–0 Na6 11.a3=) 8.Qh5 Nf7 9.ef5 d5 10.a3 Rg8 11.g4+=) 7...gf5 8.Qh5 Ke7 9.Be2 (9.Nf3 fe4 10.Ne4 Bg7 11.c5+=) 9...Qe8 (9...Rg8 10.Bf3 Be6 11.ef5–/+) 10.Qh4 (10.Qe8 Ke8 11.Nf3+=) 10...Qg6 (10...Rg8 11.g3+=) 11.Nf3 Qg4 (11...a5 12.ba5 Rg8 13.Rg1+=) 12.ef5 (12.Qg4 fg4 13.Nh4 a5=) 12...Bf5 (12...Qh4 13.Nh4 Nf5 14.Nf3+=) 13.Qf2= Qg8 14.Nh4 (14.0–0 Ng4 15.Qe1 Be6=) 14...Be6+= 15.0–0 Nd7 16.d4 (16.Ne4 f5 17.Nc3 Kd8–/+) 16...Bc4–/+ 17.de5 de5 18.Rad1 Bg7 (18...Ba2 19.Na2 Qa2 20.Nf5 Ke8 21.Be5=) 19.b5 (19.Bc1 Be2 20.Qe2 Kd8+=) 19...Bd5 (19...cb5!? 20.Nb5 Ba2 21.Na7 Bb3–/+) 20.Ba3 Kd8 21.Nd5 (21.Bf3 Bf3 22.Nf3 Qc4=) 21...cd5 22.Bf3 (better is 22.Qf3 e4 23.Qb3=) 22...Nb6 (22...e4!? 23.Be2 Qf7+=) 23.Bd5 Nd5 A pinning theme (23...Qd5 A pinning theme 24.Rd5) 24.Qc5 Qf7 (better is 24...Ke8+=) 25.Rd5+/– Ke8 26.Re5! (26.Re5 fe5 27.Rf7 Kf7 28.Qe7 Kg8 29.Qb7+–) 1–0. Adam,Stefan – Wilting,W, corr SOK–90–54, 1990.

6.Bc4 d5!? 7.Bd3 Bb4 –/+.

6.Bc4 Nh6 7.Nc3= gf5 8.Qh5 Ke7 (8...Kd7 9.Nf3 fe4 10.Ne4 Kc7=) 9.Be2?? (better is 9.Nge2+/–) 9...Qe8 10.Qh4 Qg6 11.Nf3 Qg4 (11...Na6 12.0–0 fe4 13.Ne4+=) 12.ef5 (12.0–0!? Qh4 13.Nh4=) 12...Bf5= 13.Qf2 (better is 13.0–0=) 13...Qg8?? (better is 13...Qb4 14.0–0–0 Be6–/+) 14.Nh4+= Be6 15.0–0 Nd7 16.d4 (16.d4 Ng4 17.Nf5 Bf5 18.Qf5+=) 1–0. Adamski,Jan – Computer SuperConstellation4, corr, 1990.

6.d4 Qe7 =.

4.f4 Qe7

5.a3 ef4 6.Qh5 g6 7.Qe2 Bg7 8.Nf3 d6 9.d3 +=.

5.Nc3 Qb4 6.Rb1 A) 6...Qa5 7.Qh5 (7.fe5 fe5 8.Nf3 Nf6 9.Be2 b5 10.Ne5+=; 7.Nh3 d6 8.Bc4 Nh6 9.Qh5 Kd8 10.Be2+=; 7.Bc4 ef4 8.Nh3 Ne7 9.Nf4 Qg5 10.Qf3+=; 7.f5 d5 8.Qh5 Kd8 9.ed5 cd5 10.Bb5–/+) 7...g6 8.Qf3 ef4 9.Qf4 Bc5 10.Bc4=; B) 6...Qc5 7.fe5 (7.Qh5 g6 8.Qf3 b5 9.a3 a5 10.fe5+=; 7.Nge2 d6 8.h3 Ne7 9.fe5 de5 10.Nc1–/+; 7.Nce2 d6 8.a3 Ne7 9.d4 ed4 10.Nd4+=; 7.g3 ef4 8.gf4 Qe7 9.Qh5 g6 10.Qe2+=) 7...fe5 8.Qh5 Kd8 9.Nf3 d6 10.Ng5+=; C) 6...d6 7.a3 (7.Qh5 g6 8.Qh4 Qc5 9.Nge2 Be6 10.f5+=; 7.f5 g6 8.Nf3 gf5 9.Ba1 Qa5 10.ef5–/+; 7.Qf3 ef4 8.Nh3 g5 9.Nf2 Qa5 10.Qh5+=; 7.fe5 de5 8.Qh5 g6 9.Qd1 Be6 10.Ba1–/+) 7...Qa5 8.Qh5 g6 9.Qh4 Be6 10.f5+=; D) 6...ef4 7.Nh3 (7.Qg4 Qa5 8.Qf4 b5 9.e5 b4 10.ef6–/+; 7.Qf3 Qa5 8.Qf4 b5 9.e5 b4 10.ef6–/+; 7.Nge2 Qd6 8.Nc1 Ne7 9.Be2 b5 10.0–0–/+; 7.Qh5 Kd8 8.Nh3 g5 9.Nf2 Qe7 10.Be2+=) 7...Qd6 8.Qf3 g5 9.Nd1 Bh6 10.Bc4+=; E) 6...Qe7 7.Qh5 (7.Nge2 b5 8.a3 d6 9.f5 Nh6 10.Ng3+=; 7.Bd3 ef4 8.Nge2 f3 9.gf3 b5 10.Nd4+=; 7.fe5 fe5 8.Qh5 g6 9.Qh3 b5 10.Nf3+=; 7.Qg4 ef4 8.Nf3 b5 9.Bd3 Na6 10.Qf4–/+) 7...g6 8.Qf3 ef4 9.Qf4 d6 10.Nf3+=.

5.Nc3 ef4!? A) 6.Qg4 Qb4+= (6...Nh6 7.Qf4 Qb4 8.Rb1 d5 9.Nf3 de4 10.Ne4+=) 7.Rb1 Qa5 8.Qf4 b5 9.e5 b4 10.ef6–/+; B) 6.b5 d5 7.bc6 (7.Qh5 g6 8.Qe2 d4 9.Nd1 c5 10.c3+=; 7.Nge2 de4 8.Nf4 Bf5 9.Qh5 g6 10.Qe2+=; 7.Qe2 d4 8.Nd1 f5 9.e5 c5 10.Nh3–/+) 7...de4 8.Qh5 g6 9.Qe2 bc6 10.Ne4=; C) 6.Qh5 C1) 6...g6 7.Qf3 (7.Qg4 Qb4 8.Rb1 Bd6 9.Nge2 Be5 10.Qf3–/+; 7.Qh4 d5 8.Qf4 Qb4 9.Rb1 d4 10.Nd1–/+; 7.Qe2 Qb4 8.Rb1 Qc5 9.Qf3 b5 10.a3–/+; 7.Qh3 Qb4 8.Rb1 b5 9.Nge2 Qd6 10.Qf3–/+) 7...Qb4 8.Rb1 g5 9.h4 Kd8 10.hg5=; C2) 6...Kd8 7.Nge2 (7.b5 d5 8.bc6 bc6 9.Nge2 de4 10.Qa5+=; 7.Qf3 d5 8.a3 de4 9.Qf4 f5 10.Rd1+=; 7.Qg4 Qb4 8.Rb1 d5 9.Qf4 de4 10.Qe4–/+; 7.a3 d5 8.Nge2 de4 9.Nf4 g5 10.Nh3+=) 7...Qb4 8.Rb1 Qd6 9.Qf3 b5 10.Nf4+=; D) 6.Qf3 D1) 6...d5 7.Qf4 (7.a3 f5 8.Qf4 fe4 9.Nge2 Nf6 10.Nd4–/+; 7.b5 f5 8.bc6 bc6 9.Qf4 fe4 10.Rb1–/+; 7.0–0–0 Nh6 8.Re1 f5 9.Qf4 Nf7 10.d3+=) 7...Qb4 8.Rb1 Be6 9.Nf3 de4 10.Ba1+=; D2) 6...Qb4 7.Rb1 Qa5 8.Qf4 b5 9.e5 b4 10.ef6–/+; E) 6.a3 d5 7.Qe2 (7.Nge2 de4 8.Nf4 Nh6 9.Be2 Qc7 10.Bh5+=; 7.Qh5 Kd8 8.Nge2 de4 9.Nf4 Nh6 10.Qe2+=; 7.Qf3 f5 8.Nge2 fe4 9.Qf4 Nf6 10.Nd4–/+) 7...d4 8.Nd1 c5 9.bc5 Nc6 10.Nf3=.

5.Qh5 Kd8 6.Qf3 ef4 7.Ne2 g5 8.a3 d6 9.Nec3 +=.

5.Nc3 d6

6.b5 A) 6...a6 7.bc6 (7.fe5 ab5 8.ed6 Qd6 9.Qh5 g6 10.Qh4=) 7...bc6 8.fe5 fe5 9.Nf3 Nf6 10.Bc4+=; B) 6...ef4 7.Qh5 (7.bc6 bc6 8.Qh5 g6 9.Qf3 g5 10.Qh5=; 7.Qf3 f5 8.bc6 bc6 9.Qf4 Nf6 10.d3+=) 7...g6 8.Qf3 g5 9.Be2 Be6 10.bc6=.

6.fe5 A) 6...fe5 7.Bd3 (7.Be2 Nf6 8.a3 Qf7 9.Nf3 Qg6 10.0–0=; 7.b5 Nf6 8.Nf3 d5 9.ed5 cd5 10.Be2=; 7.Qh5 g6 8.Qf3 Nf6 9.Qe3 d5 10.ed5=; 7.Nf3 Nf6 8.Bd3 Qc7 9.a3 Be7 10.0–0=) 7...Nf6 8.Nf3 Qd8 9.a3 Be7 10.Be2=; B) 6...de5 7.a3 (7.b5 Be6 8.Nf3 Qd7 9.bc6 Nc6 10.Bb5+=) 7...Be6 8.Nf3 b5 9.d4 ed4 10.Nd4=.

6.Qf3 A) 6...d5 7.fe5 (7.a3 de4 8.Ne4 ef4 9.Ne2 Bf5 10.d3=; 7.ed5 Qb4 8.Rb1 Qf4 9.Qf4 ef4 10.Nge2=; 7.b5 de4 8.Ne4 f5 9.Nc3 ef4 10.Nge2=) 7...Qe5 8.a3 f5 9.Qh5 Kd8 10.Nf3=; B) 6...ef4 7.a3 (7.Qf4 d5 8.b5 d4 9.Nd1 c5 10.c3=; 7.b5 f5 8.bc6 bc6 9.Qf4 Nf6 10.d3+=; 7.Nge2 d5 8.a3 de4 9.Ne4 Bf5 10.d3=) 7...Nh6 8.Qf4 a5 9.b5 f5 10.Nge2=; C) 6...Be6 7.Be2 (7.Nh3 Nd7 8.Be2 Qd8 9.a3 Qb6 10.f5+=; 7.f5 Bf7 8.b5 Qd8 9.Rb1 Ne7 10.bc6=; 7.Nge2 Na6 8.a3 Nc7 9.f5 Bf7 10.Qd3=; 7.b5 ef4 8.Nge2 Nh6 9.Nf4 Bg4 10.Qe3+=) 7...a5 8.b5 a4 9.Nh3 Nd7 10.a3+=; D) 6...Nh6 7.a3 (7.Nge2 Bg4 8.Qe3 Nd7 9.h3 Be2 10.Be2=; 7.Be2 d5 8.fe5 Qb4 9.Rb1 d4 10.Nd1+=; 7.Qh5 Qf7 8.Qh4 d5 9.fe5 d4 10.Nce2=; 7.fe5 de5 8.Qh5 Nf7 9.b5 Be6 10.Nf3=) 7...Bg4 8.Qf2 ef4 9.Qf4 Nd7 10.Be2=.

6.f5 d5 7.ed5 (7.Qh5 Qf7 8.Qf7 Kf7 9.ed5 Bb4 10.Bc4+=) 7...Bf5 8.b5 cd5 9.Nd5 Qd7 10.Ne3 =.

6.f5 Kd8 7.Qf3 (7.b5 g6 8.g4 d5 9.bc6 bc6 10.ed5=; 7.a3 g6 8.Qf3 gf5 9.ef5 Qd7 10.g4=; 7.g4 d5 8.a3 h5 9.ed5 hg4 10.Qg4=; 7.Qh5 Nh6 8.b5 d5 9.bc6 bc6 10.h3+=) 7...g6 8.a3 Nh6 9.g4 d5 10.ed5 =.

6.f5 Qf7 7.d4 (7.Qf3 d5 8.ed5 Bb4 9.dc6 Nc6= 10.Nd5=; 7.a3 d5 8.Bd3 Ne7 9.Qe2 g6 10.ed5=; 7.g4 d5 8.ed5 Bb4 9.dc6 Nc6 10.Ne4=; 7.b5 d5 8.bc6 bc6 9.Qf3 Ne7 10.ed5=; 7.Bd3 d5 8.a3 Ne7 9.Qe2 g6 10.ed5=) 7...d5 8.de5 (8.a3 de4 9.g4 h5 10.Ne4=) 8...fe5 9.Nf3 (9.a3 de4 10.g4 Nf6=) 9...Qf6 (9...Bb4 10.Ne5 Qf6 11.Qd4–/+; 9...de4 10.Ne4+=) 10.ed5 (10.a3!?+=) 10...Bb4+= 11.Bc4 (11.a3 Ba5 12.Qe2 Bf5 (worse is 12...Qf5 13.Ne5 Kf8 14.d6+/–) 13.Ne5 Ne7=) 11...e4 12.Nd4 cd5 (worse is 12...Bf5 13.0–0 Ne7 14.Ne4+–) 13.Qh5 (13.Bd5 A) 13...Bf5?? 14.Bb7 Ne7 A1) 15.Nf5? Bc3 16.Ke2 Nf5–+ (16...Bb2? 17.Nd6 Kd7 18.Ne4 Qd4 19.Rb1+–); A2) 15.Ba8+–; B) 13...Ne7 14.Ndb5 B1) 14...Bf5 15.Bb7 a6 16.Nc7 Kf8 17.0–0 (17.Na8 Bc3 18.Bc3 Qc3 19.Kf1 Ke8=) 17...Qb6 18.Kh1 Qb7 19.Na8+–; B2) 14...Nf5 15.Qh5 g6+=) 13...Kf8 (13...Ke7 14.Ba3 Na6–+ (14...dc4?? 15.Bb4 Kd8 16.Rd1+–; 14...Qd4 15.Bb4 Kd8 16.Rd1 Qc4 17.Nd5+–)) 14.Bd5= g6 (14...Ne7 15.Bb3 Nf5 16.0–0–0 Nd4 17.Rd4+/–) 15.fg6 (15.Qd1 Qg5 16.Qe2 Qh4 17.g3+–) 15...hg6 16.Qh8? (better is 16.Qd1!? Qh4 17.Kf1+=) 16...Qh8–+ 17.0–0 Ke7?? (better is 17...Ke8 18.Ne4 Qe5–/+) 18.Ne4= Qe5 19.Bg8?? (19.Nc6 bc6 20.Rf7 Ke8 21.Be5 cd5=) 19...Qe4+= 20.c3 Qe3 21.Kh1 Qd2 (better is 21...Bc3!? 22.Bc3 Qc3 23.Rae1 Qe1 24.Re1 Kf6 25.Rf1 Ke5 26.Nf3 Kf6 27.Nd2 Kg7+=) 22.Rae1+/– Kd8 (22...Kd7 23.Re2 Qd3 24.Bb3+/– (24.cb4?! Kd8+–)) 23.Ne6 Be6 24.Rd1 Qd1 25.Rd1 Bd7 (25...Kc7 26.Be6 Bd6 27.Bf7+–) 26.cb4 Ke7 27.Re1 Kf8 (27...Kd6 28.Be5 Kc6 29.a4+–) 28.Bb3 Nc6 29.Bc1 Kg7 30.b5 1–0. Schoenwaelder,B – Stroede, Baden–Baden, 1985.

6.f5 g6 7.fg6 (7.Bd3 Nh6 8.fg6 hg6 9.Nf3 Be6 10.b5=; 7.Qf3 d5 8.fg6 hg6 9.ed5 Qb4 10.Rb1=; 7.b5 gf5 8.bc6 bc6 9.Qh5 Qf7 10.Qf7+=; 7.g4 d5 8.a3 de4 9.Ne4 gf5 10.gf5–/+) 7...hg6 8.Nf3 Be6 9.b5 f5 10.bc6 =.

6.f5 Nh6 7.Bd3 (7.Qh5 Qf7 8.Qf7 Nf7 9.Bd3 g6 10.fg6=; 7.b5 d5 8.ed5 Nf5 9.dc6 bc6 10.Rb1=; 7.a3 d5 8.ed5 Nf5 9.dc6 Nc6 10.Bc4=; 7.Rb1 d5 8.ed5 Bf5 9.a3 Qf7 10.dc6=) 7...d5 8.ed5 Nf5 9.a3 c5 10.bc5 =.

6.Qh5 A) 6...Kd8 7.Nge2 (7.fe5 fe5 8.Nf3 Nf6 9.Qg5 Nbd7 10.Bc4=; 7.Qf3 ef4 8.Qf4 d5 9.a3 de4 10.Ne4=; 7.Qh4 ef4 8.Qf4 d5 9.a3 f5 10.d3=; 7.f5 Nh6 8.b5 d5 9.ed5 cb5 10.Bb5=) 7...ef4 8.Qf3 Nh6 9.Qf4 Na6 10.b5=; B) 6...g6 7.Qf3 (7.Qh4 ef4 8.Qf4 d5 9.Qe3 Bh6 10.Qc5=) 7...ef4 8.Qf4 d5 9.Qe3 Bh6 10.Qc5=.

5.Qf3 Qb4

6.Bc3 Qa4 7.fe5 fe5 8.Qh5 Kd8 9.Qe5 Qc2 10.Na3 Qa4 11.Nc4 b6 12.Qg5 Ne7 13.Bg7 Rg8 14.Nd6 Qb4 =+.

6.Bc3 Qa4 7.fe5 fe5 8.Qh5 Kd8 9.Be5 Qe4 10.Ne2 d6 =+.

5.Qh5 g6

6.Qf3 ef4 7.Ne2 Qb4 8.Ba3 Qa4 9.Bf8 Kf8 10.Nbc3 Qa3 +=.

6.Qf3 ef4 7.Ne2 Qb4 8.Ba3 Qa4 9.Bf8 Kf8 10.Nbc3 Qc2?? 11.Rb1+– c5 12.Qf4 Ke8 13.Nc1 Nc6 +–.

4.f4 ef4

5.a3 Qe7 (5...d5 6.Qh5 g6 7.Qe2 de4 8.Nc3 Qe7 9.Ne4=) 6.Qh5 g6 7.Qe2 Bg7 8.Nf3 d6 9.d3 +=.

5.b5 d5 6.Qh5 g6 7.Qe2 de4 8.Qe4 Qe7 9.Qe7 +=.

5.Bc4 d5 6.ed5 cd5 7.Qh5 g6 8.Qd5 Qd5 9.Bd5 Bb4 10.Nf3 +=. Sokolski.

5.Nh3 Bb4–/+ 6.Nf4 (6.Qh5 g6 7.Qe2 Bd6 8.e5 fe5 9.Nf4 Ne7 10.Nd3–/+) 6...Qe7 7.Bd3 (7.Qe2 d6 8.c3 Bc5 9.d4 Bb6 10.Nd2+=) 7...Nh6 (7...d6 8.Qh5 Kd8 9.Bd4 d5 10.Ng6–/+) 8.a3 (8.0–0 Bc5 9.Kh1 d6+= 10.Nc3–/+) 8...Bc5–/+ 9.Qh5 (9.Nc3 d5 10.Qh5–/+) 9...Nf7 (9...Kd8 10.Be2–/+) 10.Rf1 (10.Nc3–/+) 10...d6 11.Nc3 Nd7 12.0–0–0 (12.Na4!?–/+) 12...Nde5–+ 13.Be2? (better is 13.h3–+) 13...g6 14.Qh4 g5 15.Qh5 gf4 16.d4 Bb6 17.de5 fe5 18.Na4 (18.g3 Be3 19.Kb1 Be6–+) 18...Be3 19.Kb1 Be6 20.g3 0–0–0 21.gf4 Bf4 22.Bg4 Ng5 23.Nc3 Kb8 24.Be6 Ne6 (24...Qe6?! 25.Rf4 ef4 26.Qg5+=) 25.Ne2 Rhg8 26.Bc1 Bc1 27.Rf7 (27.Rc1 Rdf8–+) 27...Qg5 28.Qh7 Be3 (28...Rh8 29.Rb7 Kc8 30.Qf7–+) 29.Rb7 Ka8 (29...Ka8 30.Rd3 Rh8–+) 0–1. Grehl,Siegfried – Kreuzer,Uwe, corr SOK–91–72, 1991.

5.Nh3 Bd6 6.Bc4 Qe7 7.0–0 Nh6 (7...Bb4 8.Bb3+=) 8.d4 (8.a3 b5 9.Bb3 a5 10.ba5 Be5 11.d4 Bc7 12.Nf4 Ra5+=; 8.Nf4 Kd8 (8...b5 9.Bb3 Bb4 10.Qh5 Nf7 11.Nd3 0–0 12.e5 Bc5+=; 8...Bf4 9.Rf4 Qb4 10.Bb3 d5 11.Qf3 Qb6 12.d4 Be6=) 9.Qe2 (9.a3 Qe4 10.Bd3 Qe7 11.Re1 Be5 12.Be5 fe5+=) 9...Bb4 10.c3 Ba5 11.Na3 d6 12.Rae1 Bg4+=) 8...Kd8 (8...Qe4?? 9.Re1 Qe3 10.Re3 fe3 11.Bc1+–; 8...Bb4?! 9.c3 Bd6 10.Nf4 Bf4 11.Rf4= d6 12.Bd3 Be6+=; 8...b5 9.Bd3 Bb4 10.c3 Ba5 11.a4 a6 12.Nf4 d6=) 9.e5 (9.Bd3 Bb4 (9...Bc7= 10.Qe1 d5 11.ed5 Bh3 12.Qe7 Ke7=) 10.Nf4 d6 11.c4 Ba5 12.Nd2 Bg4=; 9.Nf4 Qe4 10.Qd2 Ng4 11.Bd3 Qe3 12.Qe3 Ne3–/+) 9...Bb4 (9...fe5 10.de5 Be5 11.Be5 Qe5 12.c3 d5–/+) 10.Nf4 d5 11.ed6 Qe3 (worse is 11...Qd6 12.c3 b5 13.Bd3=; 11...Bd6 12.Qd2 Ng4–/+) 12.Kh1 Ng4 13.Nh3 (13.d5 Bc5 14.Rf3 Nf2 15.Rf2 Qf2 16.Ne6 Be6 17.de6 Qf4 18.e7 Kd7–+) 13...Re8 (13...Bd6 14.Bc1 Qe8 15.Re1–/+) 14.c3 (better is 14.Bc1!? Qe4 15.Bf7+=) 14...Bd6–/+ 15.Bc1 Qe7 16.Bf4? (better is 16.Nf4!?–+) 16...Bf4 17.Nf4 (17.Rf4 g5 18.Rf3 Ne3 19.Re3 Qe3–+) 17...Ne3 18.Qe2 Nf1 (18...g5 19.Nh3 Bg4 20.Rf3–+) 19.Qf1 Qe3 20.a4 Bg4 21.h3 (21.Ra2 Nd7–+) 21...Bf5 (21...Re4 22.hg4 Rf4 23.Qe2–+) 22.Na3 (22.Nh5 Be4 23.Ng7 Qh3 24.Kg1 Qe3 25.Qf2 Qc1 26.Qf1 Qf1 27.Kf1 Re7 28.Ne6 Kd7 29.Nc5 Kc7 30.Ne4 Re4–+) 22...Nd7 (22...Qc3 23.d5–+) 23.d5 (23.Bd3 Bd3 24.Nd3 Qd2–+) 23...Re4 (23...Qc3 24.Ne2 Qb2 25.dc6 bc6 26.Ra2–+) 24.Ne6 (24.Ne2 cd5 25.Bd5 Qe2 (25...Ra4?! 26.Qf5 Qe2 27.Bb7 Ra3 28.Ra3 Qd1 29.Kh2 Qd6 30.g3 Qa3 31.Ba8–/+) 26.Qf5 Re5 (26...Ra4?! 27.Bb7 Ra3 28.Ra3 Qd1 29.Kh2 Qd6 30.g3 Qa3 31.Ba8–/+) 27.Qh7 Qb2–+) 24...Be6 25.de6 Nb6 (25...Ne5 26.Qd1 Kc7 27.Ba2–+) 26.Bd3? (better is 26.Qd1 Ke7 27.a5 Qc3 28.ab6–+) 26...Re6–+ 27.Bf5 Re5 28.Rd1 Kc7 (28...Rd5 29.c4 Rd1 30.Qd1 Ke7 31.a5–+) 29.a5?? (better is 29.Nc4 Qc3 30.Ne5 Qe5 31.Re1–+) 29...Ra5 30.Nc2 Qe5 31.Nd4 Re8 0–1. Tagirov,Kajum K (1925) – Solomko,Viktor L, Sterlitamak op, 2008.

5.b5 Qe7

6.Qh5 g6 7.Qe2 a6 8.bc6 dc6 9.Qf3 +=.

6.Nc3 d5

7.Qf3 f5 8.Qf4 de4 9.bc6 Nc6? 10.Nd5 Qc5 11.Nc7 Kf7 12.Na8 +–.

7.bc6 de4

8.Qh5 g6 9.cb7 Qb7?! 10.Qd5 Qd5 11.Nd5 =.

8.Qh5 g6 9.cb7 Bb7 10.Qb5 Bc6 11.Qc4 Bg7 12.0–0–0 f5–/+ 13.d4 Nf6 14.d5 Bd7 15.Qc7 Qb4 16.Nb5! f3 17.Qe5 Kd8 18.Qc7 Ke7 19.Bc3 =+.

8.Qh5 g6 9.cb7 Bb7 10.Qb5 Bc6 11.Qc4 Bg7 12.Nge2!? Qb7 13.Nd4 +=.

8.Qh5 g6 9.cb7 gh5?? 10.ba8Q Qb7 11.Qb7 Bb7 +–.

8.Qh5 g6 9.cb7 gh5?? 10.ba8R?! Qb7 11.Bb5 Kd8 12.Rb8 Qb8 –/+.

8.Qh5 g6 9.cb7 gh5?? 10.bc8Q Kf7 11.Qc4 Qe6 12.Nb5 +–.

5.Bc4 Bb4

6.Qh5 g6

7.Qf3 Qe7

8.Ne2 a6 A) 9.c3 A1) 9...Bc5 10.d4 (10.Bb3 d5 11.ed5 Bf5 12.dc6 Nc6 13.d4–/+; 10.Qf4 Bd6 11.Qe3 b5 12.Bb3 c5 13.Bd5+=) 10...d5 11.ed5 Bd6 12.dc6 Nc6 13.0–0=; A2) 9...d5 10.ed5 Bc5 11.d4 Bd6 12.dc6 Nc6 13.0–0=; A3) 9...Bd6 10.d3 (10.Bb3 a5 11.a4 b6 12.0–0 Ba6 13.d4+=; 10.d4 b5 11.Bd3 g5 12.0–0 Qg7 13.c4+=; 10.0–0 b5 11.Bb3 g5 12.a4 Bb7 13.d3+=) 10...b5 11.Bb3 a5 12.a4 Ba6 13.ab5=; A4) 9...Ba5 10.Qf4 (10.Ba3 d6 11.Qf4 Bc7 12.0–0 d5 13.Be7+=) 10...d6 11.0–0 d5 12.ed5 cd5 13.Ba3+=; B) 9.Bb3 B1) 9...b5 10.0–0 (10.a3 Bc5 11.Qf4 d6 12.d4 Bb6 13.0–0+=; 10.c3 Ba5 11.Ba3 d6 12.Qf4 Bc7 13.0–0+=; 10.a4 Bb7 11.Qf4 Bd6 12.Qf3 c5 13.Bd5+=; 10.Qf4 d6 11.Bg8 Rg8 12.Bf6 g5 13.Qf3=) 10...g5 11.a4 Bb7 12.d3 d6 13.ab5=; B2) 9...g5 10.h4 (10.a3 Bd6 11.Nd4 g4 12.Qg4 Qe4 13.Ne2+=; 10.c3 Ba5 11.d3 Bb6 12.Nd2 d6 13.Qh5–/+) 10...gh4 11.a3 Bc5 12.d4 Bb6 13.Rh4=; B3) 9...d6 10.Qf4 (10.a3 Bc5 11.Qf4 b5 12.d4 Bb6 13.0–0+=; 10.0–0 g5 11.a3 Ba5 12.Bd4 b5 13.Nbc3+=; 10.Bd4 Nd7 11.Qf4 Nc5 12.Nbc3 Ne6 13.Be6+=) 10...Nd7 11.0–0 b5 12.a3 Ba5 13.Bd4=; B4) 9...Bd6 10.a3 (10.d4 g5 11.0–0 Bc7 12.Nd2 d6 13.Rab1+=; 10.0–0 g5 11.d4 b6 12.Nd2 Bc7 13.Rad1+=; 10.Nbc3 g5 11.Nd4 Be5 12.Nf5 Qf8 13.d4+=; 10.Nf4 Be5 11.Be5 fe5 12.Nd3 Nf6 13.0–0+=) 10...g5 11.Nd4 g4 12.Qg4 Qe4 13.Ne2+=; B5) 9...d5 10.ed5 Bf5 11.Nbc3 Bc3 12.Qc3 Bg4 13.Qd3+=; C) 9.a3 C1) 9...Bc5 10.Qf4 (10.d4 Ba7 11.Qf4 d6 12.0–0 d5 13.Bd3=; 10.Bb3 d6 11.Qf4 b5 12.d4 Bb6 13.0–0+=) 10...d5 11.ed5 Bf5 12.d3 Bd6 13.Qf3=; C2) 9...d5 10.ed5 (10.ab4 dc4 11.Bc3 g5 12.Na3 b5 13.h4+=) 10...Bd6 11.0–0 Bf5 12.dc6 Nc6 13.Qb3=; C3) 9...Bd6 10.Bb3 (10.0–0 b5 11.Bb3 g5 12.a4 Bb7 13.ab5+=; 10.d4 b5 11.Bd3 Bb7 12.a4 c5 13.dc5+=; 10.Ba2 g5 11.Nd4 g4 12.Qg4 Qe4 13.Kd1+=; 10.Nbc3 b5 11.Bb3 g5 12.Qh5 Kd8 13.Nd4+=) 10...g5 11.Nd4 g4 12.Qg4 Qe4 13.Ne2+=; D) 9.a4 d5 10.ed5 Bf5 11.Qf4 Bd6 12.Qf2 Bc2 13.dc6+=; E) 9.Qf4 E1) 9...d5 10.ed5 Bf5 11.Bb3 Bd6 12.Qh4 Nd7 13.dc6+=; E2) 9...d6 10.a3 (10.0–0 Be6 11.Be6 Qe6 12.Bf6 Nf6 13.Qf6=; 10.Bg8 Rg8 11.Bf6 g5 12.Qf3 Qf7 13.a3=; 10.a4 Nd7 11.0–0 Ne5 12.Bg8 Rg8 13.Qf6+=) 10...Bc5 11.Bg8 Rg8 12.Bf6 g5 13.Qf3=; E3) 9...Bd6 10.Qf3 (10.Qh4 Be5 11.Ba3 Qg7 12.d4 Bc7 13.0–0=) 10...Be5 11.Ba3 Qg7 12.d4 Bc7 13.0–0=.

8.Ne2 b5 9.Bb3 A) 9...d6 10.a4 (10.Qf4 g5 11.Qf3 Nd7 12.a3 Ne5 13.Qg3=; 10.a3 Bc5 11.Qf4 Be6 12.d4 Bb6 13.Nbc3+=; 10.0–0 g5 11.a4 ba4 12.Ra4 Bc5 13.d4+=) 10...Nd7 11.ab5 Ne5 12.Qf4 cb5 13.Nbc3+=; B) 9...Na6 10.Qf4 (10.0–0 g5 11.c3 Ba5 12.a4 b4 13.d4+=; 10.a3 Ba5 11.Qf4 Nc5 12.e5 f5 13.0–0+=) 10...Bd6 11.Qf3 Nc5 12.d3 Nb3 13.ab3+=; C) 9...Bc5 10.a4 (10.Qf4 d6 11.Bg8 Rg8 12.Bf6 Qe6 13.d4+=; 10.a3 d6 11.Qf4 Be6 12.d4 Bb6 13.0–0+=; 10.d4 Bb6 11.0–0 g5 12.Nd2 d6 13.a4+=) 10...ba4 11.Ra4 Ba6 12.Nf4 Bb5 13.Ra5=; D) 9...a6 10.Qf4 (10.a3 Bc5 11.Qf4 d6 12.d4 Bb6 13.0–0+=; 10.a4 Bb7 11.Qf4 Bd6 12.Qf3 c5 13.Bd5+=; 10.0–0 g5 11.a4 Bb7 12.d3 Bc5 13.d4+=; 10.c3 Ba5 11.Ba3 d6 12.Qf4 Bc7 13.0–0+=) 10...d6 11.0–0 Nd7 12.a3 Bc5 13.d4=; E) 9...a5 10.a3 (10.c3 Bd6 11.a4 Bb7 12.d3 g5 13.0–0+=; 10.a4 ba4 11.Ra4 Na6 12.c3 Nc5 13.Ra2–/+) 10...Bd6 11.0–0 g5 12.a4 Bb7 13.d3+=.

8.Ne2 d5 9.ed5 Bf5 10.dc6 (10.Qf4 Bd6 11.Qf2 Bc2 12.dc6 Nc6 13.Bg8+=; 10.a3 Bd6 11.dc6 Nc6 12.0–0 Bc2 13.Nf4–/+; 10.Qb3 Bg4 11.dc6 Nc6 12.Rf1 Bd6 13.Rf2–/+; 10.c3 Bd6 11.dc6 Nc6 12.0–0 0–0–0 13.d4–/+) 10...Nc6 11.Bd5+= Ne5 12.Qb3 0–0–0 13.Nbc3 +=.

8.Ne2 d6 9.a3 Bc5 (9...Ba5 10.Qf4 Nd7 11.0–0 b5 12.Bb3 Ne5 13.d4+=) 10.Qf4 (10.d4 Bb6 11.Qf4 Bc7 12.d5 Ba5 13.Nbc3+=; 10.a4 h5 11.d4 Bb4 12.c3 Ba5 13.Qf4+=) 10...Nd7 11.d4 Bb6 12.Nd2 Rb8 13.0–0 +=.

8.Ne2 d6 9.c3 Ba5–/+ (9...Bc5 10.d4 Bb6 11.Qf4 Bc7 12.Ba3 b5 13.Bd3+=) 10.d4 (10.Qf4 Bc7 11.Ba3–/+ f5 12.ef5 Bf5 13.g4–/+; 10.Ba3 g5 11.0–0 b5 12.Bb3 h5 13.d4–/+) 10...Be6 (better is 10...f5!?–/+ 11.Ba3 fe4 12.Qf4 Bc7 13.0–0–/+) 11.Be6= Qe6 12.Nf4 Qf7 13.0–0 Nd7 14.Ba3 Bc7 15.Nd2 Ne7 16.Qh3 Nf8 17.Nb3 (17.c4 Rb8=) 17...f5 18.ef5 gf5 (worse is 18...Nf5 19.Rae1 Kd8 20.g4+–) 19.d5 c5 (19...cd5 20.Rae1+=) 20.Rae1 0–0–0 21.c4 Rg8 22.Rf2 (22.Bb2 Nd7=) 22...Re8 23.Rfe2 (23.Bb2 Nfg6=) 23...Rg4 24.Qf3 Nfg6 25.Ng6 Rg6 (25...hg6 26.Qc3+=) 26.Kh1 b6 (26...Rg4 27.Qc3=) 27.Bb2 Rgg8 28.Re6 Ng6 29.Bf6 (29.Re8 Re8 30.Re8 Qe8 31.Qf5 Kb7=) 29...Kb8 (29...Re6 30.de6 (30.Re6? Nf8–+) 30...Re8 31.Qf5+/– (31.ef7?? Re1 32.Qf1 Rf1)) 30.Qf5+= Bd8 31.Rf1 Rgf8 32.Rd6 Bf6 33.Rd7 (33.Nc5 Bd4 34.Na6 Ka8 35.Qf7 Rf7 36.Rd8 Rd8 37.Rf7+=) 33...Re7+= 34.Nc5 Bd4 (34...Bc3!? 35.Na6 Ka8 36.Rd8 Rd8 37.Qf7 Rf7 38.Rf7 Rf8 39.Rf8 Nf8 40.Nc7 Kb7–/+) 35.Qf7= Rff7 (35...Ref7?? 36.Na6 (36.Rff7?! Bc5 37.Ra7 Rf7 38.Rf7 h6+–; 36.Rdf7?! Bc5 37.g4 Rf7 38.Rf7 h6+/–) 36...Kc8 37.Rff7+–) 36.Rd8 Kc7 37.Ne6 Kb7 38.Rb1 Bf6 (38...Be3 39.c5 Ne5 40.h3=) 39.c5 Re6 (39...Be5!?=) 40.de6+/– Bd8 (40...Rc7!? 41.cb6 ab6+/–) 41.ef7+– Kc6? (better is 41...Bc7+–) 42.Re1 bc5 (42...Kc7 43.cb6 ab6+–) 43.Re6 Kd7 44.Rg6! (44.Rg6 Be7 45.Rg8+–) 1–0. Adam,Stefan – Richter,Dieter, DDR–ch11 sf02 corr, 1981.

8.Ne2 d6 9.Rf1 A) 9...b5 10.Bg8 Rg8 11.Qb3 d5 12.Rf4 Rf8 13.ed5=; B) 9...Bc5 10.d4 (10.a4 Nd7 11.d4 Bb6 12.a5 Bc7 13.Qf4+=; 10.Qf4 Nd7 11.Bb3 g5 12.Qf3 Ne5 13.Qh5+=) 10...Bb4 11.Kf2 Nh6 12.Nf4 Bg4 13.Qb3=; C) 9...g5 10.h4 (10.Qb3 d5 11.ed5 Nh6 12.Nbc3 Ng4 13.dc6+=) 10...b5 11.Bb3 gh4 12.Qh5 Kd8 13.Rf4=; D) 9...d5 10.ed5 Bf5 11.Qb3 Nh6 12.Rf4 Bd6 13.Rf3+=; E) 9...Nd7 10.Qf4 (10.Bg8 Rg8 11.Qb3 d5 12.ed5 Nc5 13.Qc4–/+; 10.a3 Ne5 11.Be5 Qe5 12.c3 Ba5 13.d4+=; 10.Qb3 d5 11.ed5 Bd6 12.dc6 bc6 13.Ba3+=) 10...g5 11.Qf3 Ne5 12.Be5 de5 13.Ng3+=.

8.Ne2 d6 9.Qf4 A) 9...Nd7+= 10.a3 (10.0–0 d5 11.ed5 Nb6 12.Bb3 Nd5 13.Qf2+=; 10.Bb3 Nc5 11.Bg8 Rg8 12.a3 g5 13.Qf3–/+) 10...Bc5 11.d4 Bb6 12.Nd2 Rb8 13.Rd1=; B) 9...b5 10.Bg8 Rg8 11.Bf6 g5 12.Qf3 Qf7 13.a3=; C) 9...Bc5 10.Bg8 (10.d4 Bb6 11.0–0 d5 12.ed5 cd5 13.Ba3+=; 10.Qf3 Be6 11.Be6 Qe6 12.d4 Bb6 13.Nd2=; 10.a3 Nd7 11.d4 Bb6 12.Nd2 Rb8 13.Rd1=; 10.Rf1 Nd7 11.Bb3 g5 12.Qf3 Ne5 13.Qc3+=) 10...Rg8 11.Bf6 Qe6 12.d4 Bb6 13.Qh4=; D) 9...d5 10.ed5 Bf5 11.Nbc3 b5 12.Bb3 Bd6 13.Qh4=; E) 9...g5 10.Qf3 b5 11.Bg8 Rg8 12.a4 Rg6 13.ab5=.

8.Ne2 Bd6

9.0–0 A) 9...g5 10.d3 (10.d4 b5 11.Bd3 Ba6 12.Nd2 Qe6 13.e5+=; 10.Bb3 Bc7 11.a4 d6 12.a5 Na6 13.Bd4–/+; 10.a4 b6 11.a5 b5 12.Bb3 Bb7 13.d3+=; 10.a3 b5 11.Bb3 a5 12.a4 Bb7 13.d3+=) 10...b5 11.Bb3 Qg7 12.Qh5 Kd8 13.Nd2+=; B) 9...Bb4 10.Bg8 (10.d4 b5 11.Bg8 Rg8 12.c3 Bd6 13.Nf4=; 10.Qb3 Nh6 11.Rf4 Bc5 12.d4 b5 13.Bb5=) 10...Rg8 11.Qf4 f5 12.ef5 gf5 13.Qf5=; C) 9...b6 10.d3 (10.d4 g5 11.Bd3 Qe6 12.Nd2 Ba6 13.c4+=; 10.Rf2 g5 11.a3 b5 12.Bb3 a5 13.a4+=; 10.a3 g5 11.Nbc3 b5 12.Bb3 Bc5 13.d4+=; 10.Kh1 Ba6 11.Ba6 Na6 12.Nf4 Nb4 13.Na3+=) 10...g5 11.Nd2 Ba6 12.Nd4 Bc5 13.Bg8+=; D) 9...Bc7 10.Qb3 (10.d4 g5 11.Nd2 d6 12.Rab1 b5 13.Bd3+=; 10.d3 b5 11.Bb3 Bb6 12.d4 g5 13.Nd2+=; 10.Kh1 g5 11.Nd4 d6 12.a4 Bb6 13.a5+=; 10.Ba3 d6 11.Qf4 b5 12.Bb3 a5 13.Qf2–/+) 10...Nh6 11.Nf4 b5 12.Be2 Nf7 13.Qe3=; E) 9...b5 10.Bg8 (10.Bb3 g5 11.a4 b4 12.d4 Qg7 13.c4+=) 10...Rg8 11.Nf4 Be5 12.Bc3 Rf8 13.d4+=.

9.Bb3 A) 9...g5 10.d3 (10.d4 Bc7 11.0–0 h5 12.Bg8 Rg8 13.Qh5+=; 10.Nd4 Be5 11.0–0 d6 12.Re1 g4 13.Qd1–/+; 10.a3 Bc7 11.0–0 Bb6 12.Bd4 d6 13.Bb6+=; 10.0–0 Bc7 11.d4 h5 12.Bg8 Rg8 13.Qh5–/+) 10...Bc7 11.Nd2 Na6 12.Qh5 Kd8 13.Nf3=; B) 9...b6 10.d3 (10.d4 a5 11.0–0 Ba6 12.a4 Nh6 13.Rf2+=; 10.Nf4 Be5 11.d4 Bf4 12.Qf4 d5 13.Nd2+=; 10.Nbc3 Ba6 11.d3 Be5 12.d4 Bc7 13.0–0+=; 10.a3 Bc7 11.Nbc3 g5 12.Qh5 Kd8 13.0–0+=) 10...g5 11.0–0 Ba6 12.Nd4 Bc5 13.Kh1+=; C) 9...Bc7 10.d3 (10.a3 Na6 11.Nbc3 Nc5 12.0–0 Nb3 13.cb3+=; 10.Nbc3 g5 11.0–0 Bb6 12.Kh1 d6 13.Qh5+=; 10.0–0 g5 11.a4 Na6 12.d4 d6 13.Nd2+=; 10.c4 Nh6 11.Nf4 Nf7 12.Qe3 Ng5 13.Nc3+=) 10...g5 11.Nd2 h5 12.Bg8 Rg8 13.Qh5+=; D) 9...Bc5 10.d4 (10.Qf4 d6 11.d4 Bb4 12.c3 Ba5 13.0–0=; 10.a3 d6 11.Qf4 Be6 12.d4 Bb6 13.Nd2+=; 10.Bc3 d6 11.Qf4 Na6 12.d4 Bb6 13.0–0=; 10.d3 d6 11.Qf4 g5 12.Qf3 h5 13.d4+=) 10...Bb6 11.Qf4 Na6 12.Nd2 d6 13.0–0=; E) 9...Na6 10.Nbc3 (10.Nf4 Nc5 11.Nc3 Be5 12.Nfe2 Bc3 13.Nc3+=; 10.d4 Nc7 11.Nf4 Bf4 12.Qf4 d5 13.Nd2–/+; 10.0–0 Nc5 11.Nbc3 Ne6 12.Kh1 Be5 13.Be6+=; 10.d3 Nc5 11.0–0 Ne6 12.Qf2 g5 13.Nd2+=) 10...Nc5 11.0–0 Ne6 12.Kh1 Ng5 13.Qd3+=.

9.c3 A) 9...Bc7 10.d4 (10.Bb3 g5 11.0–0 d6 12.d4 f5 13.Qh5–/+; 10.Ba3 d6 11.0–0 g5 12.d4 h5 13.Nd2–/+) 10...f5 11.e5 d5 12.Bd3 Qh4 13.Kd1+=; B) 9...Na6 10.d3 (10.Ba6 ba6 11.0–0 Rb8 12.Bc1 g5 13.d4–/+; 10.d4 b5 11.Bb3 Bb7 12.Nf4 Bf4 13.Qf4+=) 10...Nc5 11.0–0 b5 12.Bb3 Ba6 13.Rd1+=; C) 9...b5 10.Bb5 (10.Bb3 Bb7 11.d3 c5 12.Nd2 Nc6 13.d4–/+; 10.Bd3 Nh6 11.0–0 Nf7 12.Nf4 Ne5 13.Qh3–/+) 10...cb5 11.e5 Nc6 12.ed6 Qd6 13.Nf4+=; D) 9...g5 10.d3 (10.d4 b5 11.Bd3 Bb7 12.Nd2 a6 13.Qh5+=; 10.Nd4 Bc5 11.Nf5 Qf8 12.Qe2 Kd8 13.d4–/+; 10.Bb3 Bc7 11.0–0 d6 12.d4 f5 13.Qh5–/+; 10.0–0 Bc7 11.d4 h5 12.Bd3 d6 13.Nd2–/+) 10...b5 11.Bb3 a5 12.a4 Bc5 13.d4+=; E) 9...Nh6 10.d4 (10.0–0 f5 11.ef5 Nf5 12.Nf4 Rf8 13.Qd1–/+) 10...b5 11.Bd3 Nf7 12.Nd2 Ng5 13.Qf2–/+.

9.Nbc3 A) 9...Bc5 10.d4 (10.Qf4 d6 11.Na4 Nd7 12.Nc5 Nc5 13.d3+=; 10.Rb1 b5 11.Bb3 a5 12.Nf4 Na6 13.Bg8+=; 10.Nf4 d5 11.Be2 de4 12.Ne4 Bf5 13.Nc5+=; 10.a4 d6 11.Qf4 Be6 12.Be6 Qe6 13.d4+=) 10...Bb6 11.Qf4 Qb4 12.Bg8 Rg8 13.Qf6=; B) 9...Bc7 10.Bg8 (10.a4 g5 11.d3 d6 12.0–0 Nd7 13.d4–/+; 10.Nf4 d5 11.Bb3 Be5 12.0–0–0 g5 13.Nh5+=; 10.Bb3 g5 11.0–0 Bb6 12.d4 d6 13.Qh5+=; 10.Rb1 b5 11.Bb3 b4 12.Na4 Nh6 13.Nf4=) 10...Rg8 11.Nf4 Rf8 12.Ncd5 cd5 13.Nd5=; C) 9...Be5 10.d4 (10.Bb3 f5 11.d4 Bc7 12.d5 Qh4 13.g3+=; 10.Rb1 b5 11.Bb3 b4 12.Nd1 Ba6 13.d3+=; 10.Rd1 b5 11.Bb3 b4 12.Na4 Bb2 13.Nb2+=; 10.a3 f5 11.d4 fe4 12.Ne4 Bg7 13.Bf7–/+) 10...Bc7 11.0–0 b5 12.Bg8 Rg8 13.Nf4+=; D) 9...g5 10.0–0 (10.Bb3 Bc7 11.0–0 Bb6 12.Kh1 d6 13.Qh5+=; 10.a4 Bc7 11.Qd3 d6 12.0–0 Bb6 13.Kh1–+; 10.Nd4 Be5 11.Nf5 Qb4 12.Bb3 d5 13.a3–/+; 10.Qh5 Kd8 11.Bb3 Na6 12.0–0 b5 13.Qf3+=) 10...Bc7 11.Bb3 Bb6 12.Kh1 d6 13.Qh5+=.

9.Nf4 Be5 (9...Bf4 10.Qf4 d5 11.Bd3 Nd7 12.0–0 Qb4 13.Bc3+=) 10.Ba3 (10.Be5 fe5 11.Ne2 Nf6 12.a4 Rf8 13.Rf1–/+) 10...d6 11.c3 f5 12.d4 fe4 13.Qg3 –/+.

5.Bc4 Qe7–/+

6.Qe2 Qb4 7.Ba3 Qa5 8.Bf8 Kf8 9.Nf3 d5 10.Bb3 Bg4 11.ed5 –/+.

6.Qe2 Qb4 7.Ba3 Qb6 8.Bf8 (8.e5 Ne7 9.Nf3 Kd8 10.Qd3 Ng6 11.ef6–/+) 8...Kf8 9.Nc3 Qc5 10.Bb3 d6 11.Qf3 –/+.

6.Qe2 Qb4 7.Bb3 Na6 8.e5 Be7 9.ef6 Nf6 10.Bf6 gf6 11.Qh5 Kd8 12.Nc3 d5 13.Nf3 Bd7 14.0–0 f5 15.Kh1 Bf6 16.Rfe1 Bc3 17.dc3 Qc3 18.Qf7 Nc5 19.Qe7 Kc8 20.Ne5 h6 21.Nf7 Rg8 22.Nh6 Re8 23.Qh4 Re1 24.Re1 b6 25.Qf2 Ne4 26.Qf1 Qc5 27.Re2 Qd6 28.Nf7 Qf6 29.Re1 Qf7 30.Qf4 Be6 31.h4 Kb7 32.a4 Qf6 33.Kh2 Rg8 0–1. Player – MacChess 5.0, 2000.

6.Qe2 b5 A) 7.Bg8 Rg8 8.a3 (8.c3 a5 9.ba5 Ra5 10.d3 d5 11.Nd2–/+; 8.Qh5 g6 9.Qe2 Bg7 10.a3 a5 11.ba5–/+; 8.e5 fe5 9.Be5 g5 10.a4 d6 11.Bc3–/+; 8.Nh3 Qb4 9.Bc3 Qe7 10.Nf4 d5 11.ed5–/+; 8.Bc3 Na6 9.a3 d5 10.ed5 cd5 11.Kf2–/+) 8...a5 9.ba5 Ra5 10.Nc3 d6 11.Nh3+=; B) 7.Bb3 B1) 7...Nh6 8.a3 (8.e5 fe5 9.Be5 d5 10.a4 ba4 11.Ba4+=; 8.a4 Ba6 9.Qh5 Kd8 10.Nc3 Qb4 11.ab5+=; 8.Bc3 a5 9.ba5 b4 10.Bb2 Ra5 11.a3+=; 8.Nf3 Qb4 9.e5 f5 10.Nd4 Qc5 11.0–0+=; 8.Nc3 Qb4 9.a4 ba4 10.Ra4 Qe7 11.Nh3+=; 8.Qh5 Kd8 9.Qf3 d5 10.Nc3 a5 11.a3–/+) 8...a5 9.ba5 Ra5 10.e5 Ng8 11.Qh5=; B2) 7...Bb7 8.Nc3 (8.Nf3 d5 9.Nc3 a5 10.ed5 Qe2 11.Ne2+=; 8.a3 a5 9.ba5 c5 10.d3 c4 11.Qh5+=; 8.Nh3 c5 9.d3 c4 10.dc4 bc4 11.Bc4–/+; 8.Qh5 g6 9.Qe2 c5 10.Bd5 Bd5 11.ed5–/+) 8...Qb4 9.Nh3 Qd6 10.0–0 Ba6 11.d3=; B3) 7...a5 8.ba5 (8.a4 ba4 9.Ra4 Ba6 10.Qh5 g6 11.Qf3+=; 8.Nh3 d5 9.Nf4 Qe4 10.Qe4 de4 11.Nc3–/+) 8...Ra5 9.d3 b4 10.a3 ba3 11.Ra3=; B4) 7...Kd8 8.a4 (8.Bc3 Na6 9.a3 Nc7 10.Nf3 d5 11.d3+=; 8.a3 a5 9.ba5 Nh6 10.Nf3 d5 11.Nc3=; 8.c3 a5 9.ba5 Ra5 10.d3 d6 11.Nf3+=; 8.Bd4 Qb4 9.Nf3 Qd6 10.0–0 c5 11.e5+=; 8.Nf3 d5 9.ed5 Qe2 10.Ke2 Bb4 11.Nd4+=; 8.Nh3 d5 9.Nf4 Qe4 10.Qe4 de4 11.Nc3+=) 8...Ba6 9.ab5 Bb5 10.c4 Ba6 11.Ra4=; B5) 7...Qb4 8.Nh3 (8.Ba3 Qa5 9.Bf8 Kf8 10.Nh3 Qc7 11.Rf1–/+; 8.Qf3 Ne7 9.Ne2 Ng6 10.0–0 Qd6 11.d4+=; 8.Nf3 Ne7 9.e5 d5 10.ef6 gf6 11.Bf6+=) 8...Ne7 9.Bc3 Qd6 10.e5 fe5 11.Ng5+=.

6.Qh5 Kd8 7.Qe2 Qb4? 8.Ba3 Qb6 9.Bf8 +–.

6.Qh5 Kd8 7.Qe2 f5 8.ef5 d5 9.Bd3 Qb4 10.Ba3 Qd4 11.Bf8 Qa1 12.c3 h5 13.Bg7 +–.

6.Qe2 d5

7.ed5= cd5 8.Bd5 Nc6 9.a3 Bg4 10.Bf3 Bf5 11.d3 Ne5 =.

7.ed5= Qe2 8.Ne2 cd5 9.Bd5 Bb4 10.Nf4 Ne7 11.Bc4 Nbc6 =.

7.ed5= Bf5 8.Bb3 (8.c3 b5 9.Bb3 a5 10.ba5 Ra5 11.dc6 Nc6=) 8...Bg4 9.Qe7 Be7 10.a3 c5 11.bc5 Bc5 =.

7.ed5= Bg4

8.Qe7 Be7 9.a3 Bf5 10.dc6 Nc6 11.Ne2 Rc8 =.

8.Qe7 Ne7 9.Nc3 Nd7 10.dc6 Nc6 11.a3 0–0–0 =.

8.Qe7 Ne7 9.Nc3 Nd7 10.dc6 Nc6 11.a3 Nde5 12.Be2 Be2 13.Nce2 Nc4 14.Bc3 Bd6 15.Nh3 0–0–0 16.Nhf4 Rhe8 17.Kd1 (17.Nd3 Rd7 18.Kf2 Bc7=) 17...Be5 (17...Ne3 18.de3 Bf4 19.Ke1 Re3 20.Kf2+=) 18.Nd3 (18.d3 g5 19.Nh5 Re6=) 18...Bc3+= 19.Nc3 N6e5 20.Re1 Nd3 21.cd3 Re1 22.Ke1 Rd3 23.Nb1 Kd7 24.Ke2 Rb3 25.Kd1 Rd3 26.Ke2 Rd5 27.Ra2 Rh5 28.h3 Rg5 29.Kf2 Rd5 30.Rc2 Rd4 31.Ke2 f5 32.Rc3 Re4 33.Kf2 Nd6 34.d3 Rf4 35.Ke2 Rd4 36.Rc5 g6 37.Nd2 b6 38.Re5 Nf7 39.Re3 g5 40.Nc4 Rd5 41.a4 b5 42.Nb2? (better is 42.ab5!? Rb5 43.g3+=) 42...f4–/+ 43.Rf3 Rd4 44.Kd2 (44.ab5 Rb4 45.Nc4 Nd6–/+) 44...Ne5 (44...Rb4 45.Kc3 a5 46.Rf1–+) 45.Rf1 Rb4 46.Kc3 a5 47.ab5 Rb5 48.d4 Nc6 49.Nc4 a4 50.Kd3 a3! 51.Ra1 (51.Na3 Rb3 Double attack (51...Rb3 Decoy)) 51...a2! 52.Kc3 (52.Ra2 Nb4 Double attack (52...Nb4 Decoy)) 52...Nb4 53.Nd2 Nd5 54.Kc2 Ne3 55.Kc3 Ra5 ½–½. Vasut,Karel (2165) – Shilov,Sergej (2275), CZE–chT2d, 2007.

8.Qe7 Ne7 9.dc6 Nbc6 10.a3 Rc8 11.Bb3 Nf5 =.

8.Qe7 Ne7 9.dc6 Nbc6 10.a3 Ng6 11.Ne2 (11.Nf3 0–0–0=) 11...0–0–0 12.h3 Bf5 13.0–0 Bc2 14.Rc1 (14.d4!?=) 14...Bb1–/+ 15.Rab1 Kb8 (15...Rd2 16.Bc3 Rd8 17.Bf7–/+) 16.Rc2 (16.d4!?=) 16...Nce5+= 17.Be5 Ne5 18.Nf4 Nc4 19.Rc4 Rd2 20.Rbc1 Bd6 21.Ne6 g6 22.Nd4 a6 23.a4 White prepares b5 23...Re8 24.b5? (better is 24.Kf1–/+) 24...Ba3–+ 25.Nc6 (25.Nb3 Bc1 26.Rc1–+) 25...bc6 26.Rb1 cb5 27.ab5 a5 28.b6 (28.g4 Re3 29.h4 Bb2–+) 28...Rc8 (28...Rc8 29.Rc8 Kc8–+) 0–1. Vasut,Karel (2150) – Shilov,Sergej (2225), CZE–chT2D, 2009.

6.Qe2 d6

7.a4 a5 8.b5 (8.ba5 f5 9.Nh3 f3 10.Qf3 Qe4 11.Qe2+=) 8...f5 9.Nh3 fe4 10.Nf4 Nf6 11.bc6 +=.

7.a4 Na6 8.Ba3 (8.Ba6 ba6 9.Qc4 Bb7 10.Ne2 Rc8 11.Nbc3+=) 8...f5 9.b5 Nb8 10.Nc3 h5 11.Nf3 +=.

7.a4 Bd7 8.Bd4 (8.a5 f5 9.Nh3 f3 10.Qf3 d5 11.Qh5–/+; 8.Nc3 f5 9.Nh3 fe4 10.Nf4 Nf6 11.b5–/+; 8.Kf2 f5 9.ef5 Bf5 10.Nh3 Bh3 11.Qh5–/+; 8.Na3 f5 9.Nh3 f3 10.Qf3 d5 11.Qh5–/+; 8.Ra2 f5 9.Nh3 f3 10.Qf3 d5 11.Qh5–/+; 8.b5 f5 9.bc6 Nc6 10.Nc3 Nf6 11.Nd5–/+) 8...c5 9.bc5 dc5 10.Bf2 f5 11.e5 +=.

7.Bb3 f5 8.ef5 (8.Nh3 f3 9.Qf3 Qe4 10.Qe2 Qe2 11.Ke2 d5+=; 8.e5 d5 9.a3 a5 10.ba5 Qh4 11.Qf2+=) 8...Bf5 9.Qe7 Ne7 10.Ne2 f3 11.gf3 =.

7.b5 a6 8.bc6 (8.a4 f5 9.bc6 bc6 10.Nh3 fe4 11.Nf4–/+) 8...bc6 9.Nc3 Nh6 10.Rb1 Bg4 11.Nf3 =.

7.b5 Bd7 8.bc6 (8.Nf3 cb5 9.Bb5 d5 10.Bd7 Nd7 11.Nc3+=; 8.Nc3 f5 9.Nf3 fe4 10.Ne4 d5 11.Nd6–/+; 8.d3 Nh6 9.bc6 bc6 10.Nf3 Ng4 11.Bb3+=; 8.Bd4 cb5 9.Bb5 Bb5 10.Qb5 Nc6 11.Nc3–/+) 8...Nc6 9.Nc3 Qd8 10.Bg8 Rg8 11.Qh5 +=.

7.b5 Nh6 8.Nf3 (8.Nc3 Bg4 9.Nf3 Nd7 10.d4 f5 11.0–0+=; 8.a3 Bg4 9.Nf3 Nd7 10.0–0 Ne5 11.d4+=) 8...f5 9.Nc3 Kd8 10.d3 Ng4 11.Bc1 +=.

7.Nc3 Be6 (7...Nh6!?+= 8.b5 (8.a4 Bg4 9.Nf3 Nd7 10.0–0 Ne5 11.b5+=) 8...Bg4 Nf3 Nd7 10.0–0 Ne5 11.d4+=; 7...b5 8.Bg8 Rg8 9.Nd5 Qf7 10.Nf4 a5 11.a4=; 7...f5 8.Nh3 (8.Nf3 b5 9.Bg8 Rg8 10.a4 fe4 11.Ne4+=; 8.b5 Nf6 9.d3 fe4 10.Ne4 Ne4 11.de4–/+; 8.Qh5 Kd8 9.Bg8 g6 10.Qf3 Rg8 11.Nge2–/+; 8.0–0–0 fe4 9.Qh5 g6 10.Qe2 Bg7 11.Qe4–/+; 8.Bd3 fe4 9.Ne4 Kd8 10.Nf3 Bg4 11.Neg5+=) 8...fe4 9.Ne4 Bh3 10.Nd6 Kd7 11.Nf7=) 8.Be6= Qe6 9.Nf3 (9.Nh3 g5 10.0–0 h5 11.b5=) 9...Nd7 (9...Ne7 10.Nd4 Qd7 11.0–0+=) 10.Nd4 (10.0–0 Ne5 11.d3=) 10...Qf7 (10...Qe5 11.Nd1 Qg5 12.0–0+=) 11.0–0+= g5 12.b5 c5 (12...Ne5 13.a4+=) 13.Nd5 0–0–0 14.Nc6 Re8 15.Qc4 Nh6 16.Na7 Kb8 (16...Kd8 17.Nc6! bc6 18.bc6 Ne5 19.Be5 Re5+–) 17.Nc6! Kc8 (17...bc6 18.bc6) 18.Qa4 bc6 (18...Nb8 19.Na7 Kd7 20.Nf6 Ke7 21.Ne8 Rg8+–) 19.Qa6 Kb8 20.bc6 (20.bc6 Nb6 21.Qb6 Kc8 22.Qa6 Kb8 23.Be5 Qa7 24.Rab1 Ka8 25.Nc7) 1–0. Brinkmann,Wilhelm – Majerski,X, Bayerische Oberliga, 1978.

7.Bd4 A) 7...Nd7 8.Nf3 (8.Nc3 Ne5 9.Bb3 f5 10.Nf3 Nf6 11.Be5+=; 8.Bb3 a5 9.Nh3 ab4 10.Nf4 Nc5 11.d3+=; 8.Bg8 Rg8 9.Nh3 c5 10.Bb2 f5 11.0–0+=; 8.a3 Ne5 9.Bb3 f5 10.Nf3 Nf3 11.gf3–/+; 8.Qh5 Kd8 9.Qe2 Ne5 10.Bb3 f5 11.Nc3–/+; 8.a4 Ne5 9.Bb3 f5 10.Nc3 Nf6 11.a5–/+) 8...b5 9.Bb3 a5 10.a4 ab4 11.ab5=; B) 7...c5 8.bc5 (8.Bc3 cb4 9.Bb4 Nc6 10.Bc3 f5 11.Nh3+=; 8.Bb5 Bd7 9.Bd7 Nd7 10.bc5 dc5 11.Bb2+=) 8...dc5 9.Bf2 f5 10.Nc3 Nf6 11.Bb5=; C) 7...b5 8.Bb3 (8.Bg8 Rg8 9.a4 f5 10.Nc3 Na6 11.Rb1–/+; 8.Bd3 a5 9.a4 ab4 10.a5 Nd7 11.Nh3–/+) 8...a5 9.a4 Bb7 10.ab5 ab4 11.Ra8+=; D) 7...Nh6 8.a3 (8.b5 Nd7 9.Nf3 f5 10.bc6 bc6 11.e5+=; 8.Qh5 g6 9.Qe2 b5 10.Bb3 a5 11.ba5+=; 8.a4 f5 9.Nh3 fe4 10.Qh5 Nf7 11.Bf7–/+; 8.Nf3 f5 9.d3 fe4 10.de4 Ng4 11.Nc3+=; 8.Nc3 b5 9.Bd3 a5 10.ba5 b4 11.Qh5+=; 8.d3 f5 9.Qh5 Kd8 10.Qe2 b5 11.Bb3+=) 8...b5 9.Ba2 a5 10.Nf3 Na6 11.ba5+=.

7.Kf2 A) 7...b5 8.Bg8 (8.Bb3 a5 9.ba5 Nh6 10.Qh5 g6 11.Qf3–/+) 8...Rg8 9.a4 ba4 10.Ra4 Be6 11.Nf3+=; B) 7...Nh6 8.a4 (8.Bb3 f5 9.ef5 Nf5 10.Qh5 g6 11.Qe2–/+; 8.a3 Ng4 9.Kf3 h5 10.h3 g5 11.Bb3–/+; 8.Bd4 Ng4 9.Kf3 Ne5 10.Kf4 d5 11.Bb3–/+; 8.Bc3 Ng4 9.Kf3 Qd7 10.a4 Nh2 11.Kf4–/+) 8...Qc7 9.Kf1 Nd7 10.d4 a5 11.ba5+=.

7.Nf3 b5 8.Bb3 d5 9.Nc3 a5 10.a3 de4 11.Ne4 =.

7.Nf3 b5 8.Bd3 a5 9.a4 ba4 10.b5 Nh6 11.0–0 =.

7.Nf3 b5 8.Bg8 Rg8 9.a4 d5 10.ed5 ba4 11.dc6 +=.

7.Nf3 b5 8.Bg8 Rg8 9.a4 f5 10.e5 d5 11.c3 ba4 12.Ra4 g5 13.d3 g4 –/+.

7.Nf3 Bg4 8.h3 (8.Nc3 Nd7 9.h3 Bh5 10.0–0 Ne5 11.Bb3+=; 8.b5 Nd7 9.h3 Bh5 10.Nc3 Ne5 11.Bb3+=; 8.0–0 d5 9.ed5 Qe2 10.Be2 Bb4 11.a3+=; 8.a3 Nd7 9.0–0 Ne5 10.Bd4 b5 11.Ba2+=; 8.Bd4 f5 9.ef5 Bf5 10.0–0 b5 11.Nh4+=; 8.a4 d5 9.ed5 Qe2 10.Ke2 Bb4 11.Re1+=) 8...Bf3 9.gf3 Nd7 10.Rg1 Nb6 11.Bb3 +=.

7.a4 Nd7

8.Ba2 a5 9.b5 Nc5 10.Nc3 f5 11.Nh3 f3 12.gf3 fe4 13.fe4 Bh3 –/+.

8.Ba2 Ne5 9.d4 Ng6 10.Nd2 Nh6 11.Ngf3 Ng4 12.c4 Ne3 13.Bb1 f5 –/+.

8.Ba2 Nh6 9.Nc3 Ne5 10.d4 Ng6 11.Nf3 +=.

8.Ba2 Nh6 9.Nh3 Nb6 10.Nf4 Bg4 11.Qe3 Na4 12.Bd4 c5 13.Bc3 Nc3 +=.

8.Na3 a5 9.ba5 Nc5 10.d3 Ra5 11.Qd2 –/+.

8.Bb3 a5 9.Bc3 ab4 10.Bb4 Nc5 11.Bc5 +=.

8.Nc3 Ne5 9.Bb3 d5 10.Nf3 Bg4 11.b5 –/+.

8.Nc3 Ne5 9.Bb3 d5 10.Nf3 Bg4 11.d4 f5 12.de5 fe4 13.Ne4 de4 –/+.

8.Bd4 Ne5 9.Bb3 f5 10.Nc3 a5 11.b5 –/+.

8.Nf3 Nb6 9.Bg8 Rg8 10.a5 Nd7 11.0–0 d5 12.Nc3 Qb4 13.ed5 Kd8 +=.

8.Nf3 d5 9.Bd3 de4 10.Be4 Qb4 11.Ba3 Qa5 12.Bg6 Kd8 13.Qe8 Kc7 14.Bf8 +/–.

8.Nf3 Ne5 9.Ne5 fe5 10.0–0 Nf6 11.d4 Bg4 12.Qe1 0–0–0 13.b5 c5 +=.

8.Nf3 Nh6 9.0–0 Ne5 10.Bd4 Nc4 11.Qc4 d5 12.ed5 Qb4 13.Re1 Kd8 +=.

8.Bg8 Rg8 9.Nf3 Ne5 10.Nc3 Be6 11.b5 –/+.

8.Bg8 Rg8 9.Nh3 Ne5 10.Nf2 d5 11.ed5 cd5 12.Be5 Qe5 13.Nc3 Bb4 –/+.

7.a4 f5

8.Nc3 fe4 9.Ne4 Kd8 10.Bb3 Bf5 11.Nf2 Na6 12.Bc3 Nf6 13.Ngh3 d5 –/+.

8.Nc3 Nf6 9.d3 fe4 10.de4 Bg4 11.Nf3 d5 12.ed5 Qe2 13.Ke2 Bb4 +=.

8.Nh3 fe4 (8...f3 9.Qf3 d5 10.Qh5 Kd8 11.Ng5 Nh6 12.Be2 de4 13.Bc3 Nd7+=) 9.Nf4 Nf6 10.0–0 d5 11.Bf6 gf6 12.Bd5 cd5 13.Nd5 Qe5 –/+.

8.Qh5 Kd8 9.Ne2 fe4 10.Nf4 Nh6 11.Bd4 –/+.

8.Qh5 Kd8 9.Ne2 Nf6 10.Qg5 fe4 11.Nf4 d5 12.Be2 Ne8 13.Qe7 Be7 –/+.

7.a4 Nh6

8.b5 f5 9.ef5 Nf5 10.Qe7 Be7 11.Ne2 +=.

8.Nc3 Nd7 9.Nf3 Ne5 10.0–0 Nc4 11.Qc4 d5 12.ed5 Qb4 13.Qb4 Bb4 +=.

8.Nc3 f5 9.Nf3 Nd7 10.0–0 fe4 11.Ne4 d5 12.Nd6 Kd8 13.Qe7 Ke7 +=.

8.Nc3 Bg4 9.Nf3 Nd7 10.0–0 Ne5 11.b5 d5 12.Ba3 Qf7 13.Bf8 Qf8 –/+.

8.Nc3 Bg4 9.Nf3 Nd7 10.d4 d5 11.ed5 +=.

8.Nf3 d5 9.ed5 Qe2 10.Ke2 Bb4 11.Re1 Kd8 12.Kf1 Nf5 13.Nc3 Nd6 +=.

8.Nf3 Nd7 9.0–0 Ne5 10.Ne5 de5 11.c3 –/+.

7.b5 Nd7

8.Bb3 Nc5 9.Nc3 f5 10.Nh3 f3 11.gf3 –/+.

8.Nc3 Ne5 9.Bb3 a6 10.bc6 bc6 11.d4 =.

8.bc6 bc6 9.Nc3 Ne5 10.Bb3 Rb8 11.Qf1 +=.

8.d4 a6 9.bc6 bc6 10.Nf3 Nb6 11.Bd3 Rb8 12.Bc1 g5 13.0–0 a5 =.

8.d4 a6 9.bc6 bc6 10.Nf3 d5 11.Bd3 =.

8.d4 Nb6 9.Bd3 c5 10.c4 Na4 11.Nf3 Nb2 12.Qb2 f5 13.Nc3 Nf6 +=.

8.d4 d5 9.ed5 Nb6 10.Bd3 Nd5 11.Ba3 Qe3 12.bc6 bc6 13.Nf3 Rb8 –/+.

8.d4 Nh6 9.Nf3 f5 10.e5 de5 11.Ba3 c5 12.de5 Ng4 13.Bb2 Ne3 –/+.

8.Nf3 Nb6 9.0–0 Bg4 10.Bb3 d5 11.Nc3 =.

8.Nf3 Nc5 9.bc6 bc6 10.Nc3 f5 11.Nd4 fe4 12.Nc6 Qh4 13.Kf1 Nf6 –/+.

8.Nf3 d5 9.ed5 Nb6 10.d6 Qe2 11.Be2 Bd6 12.Nc3 Bg4 13.bc6 bc6 +=.

7.b5 f5

8.Nc3 Nf6 9.d3 fe4 10.Ne4 Ne4 11.de4 –/+.

8.bc6 bc6 9.Nh3 f3 10.Qf3 Qe4 11.Qe2 d5 12.Bd3 Qe2 13.Be2 Na6 +=.

8.bc6 bc6 9.Qh5 Kd8 10.Ne2 Nf6 11.Qg5 –/+.

8.bc6 Nc6 9.Nc3 Kd8 10.Nh3 fe4 11.Nf4 Nd4 12.Qd1 Nf3 13.gf3 Qh4 +=.

8.bc6 fe4 9.Qh5 Kd8 10.Bg8 Rg8 11.Qh7 f3 12.cb7 Bb7 13.Nh3 Bd5 +=.

8.Nh3 fe4 9.Nf4 Nf6 10.bc6 bc6 11.0–0 d5 12.Bf6 gf6 13.Nd5 cd5 –/+.

8.Nh3 f3 9.Qf3 Qe4 10.Qe2 d5 11.Bd3 Qe2 12.Be2 a6 13.b6 Nd7 +=.

8.Nh3 f3 9.Qf3 Qe4 10.Qe4 fe4 11.bc6 +=.

8.Qh5 Kd8 9.Ne2 Nf6 10.Qg5 cb5 11.Bb5 –/+.

7.Nf3 d5

8.Bd3 Nd7 9.ed5 cd5 10.a3 a5 11.Nc3 Qe2 12.Be2 ab4 13.Nd5 ba3 =.

8.Bd3 de4 9.Be4 Bg4 10.Bd4 f5 11.Bd3 Nd7 12.Qe7 Ne7 13.Ng5 c5 +=.

8.Bd3 Bg4 9.a3 de4 10.Be4 a5 11.b5 f5 12.Bd3 Nd7 13.0–0 Qe2 +=.

8.Bd3 Nh6 9.Nc3 d4 10.Nd4 Qb4 11.Rb1 Bg4 12.Nf3 Qc5 13.e5 Bf3 +=.

8.ed5 cd5 9.Bd5 Qe2 10.Ke2 Bb4 11.c3 Ne7 12.Bb7 Bc3 13.Nc3 Bb7 +=.

8.ed5 Qe2 9.Ke2 Bb4 10.Re1 Ne7 11.dc6 +=.

8.ed5 Qe2 9.Ke2 Bb4 10.Re1 Ne7 11.Kf2 Kd8 12.dc6 Nbc6 13.a3 Ba5 +=.

7.Nf3 Nd7

8.0–0 Ne5 (8...d5 9.ed5 cd5 10.Re1 Qe2 11.Re2 Kd8 12.Bd5 Bb4 13.a3 Ne7=) 9.Ne5 fe5 10.d4 Nf6 11.Nd2 Ng4 12.Rfb1 b5 13.Bd3 ed4 +=.

8.a3 Ne5 9.0–0 Bg4 10.Bd4 b5 11.Ba2 +=.

8.Bb3 Ne5 9.0–0 Bg4 10.Re1 Nf3 11.gf3 +=.

8.b5 Nc5 9.bc6 bc6 10.Nd4 Qe4 11.Qe4 +=.

8.Nc3 Ne5 9.Bb3 (9.0–0 Bg4 10.Bb3 f5 11.Rfe1 0–0–0 12.d4 Nf3 13.gf3 Bh3+=) 9...Nh6 (9...Bg4 10.0–0 f5 11.Rfe1 0–0–0 12.d4 Nf3 13.gf3 Bh3+=) 10.0–0–0 (10.b5 Bg4+= 11.d4 Nf3 12.gf3 Bd7 13.bc6 bc6+=; 10.Nd4 d5 11.a3 Bg4 12.Qf2 f5 13.0–0 fe4+=) 10...Be6 (10...b5!?–/+ 11.d4 Nf3 12.gf3 a5 13.a3 ab4+=) 11.d4 (11.Be6 Qe6 12.Rdf1 Ng6 13.Nd4 Qd7=) 11...Nf3 12.gf3 Bb3 13.ab3 (13.cb3 Nf7+=) 13...a6 (13...Rb8+=) 14.h4 Nf7 15.Qf2 (15.h5 Ng5+=) 15...g5–/+ 16.d5 Ne5 17.Ne2 h5 (17...Rc8 18.hg5 fg5 19.Be5 Qe5 20.Qa7+=) 18.Nd4+= cd5 19.Nf5 Qc7 20.Rd5 Rc8 21.hg5 fg5 22.Rhd1 Rh7 23.c4 (23.Rd6 Nf3 24.Re6 Kf7 25.Rf6 Kg8 26.Rg6 Kf7 27.Rf6 Ke8 28.Re6 Kf7 29.Rf6=) 23...g4 (23...Nf7 24.Kd2+=) 24.Qd2 (24.Rd6 Nf3 25.Re6 Kf7 26.Rf6 Kg8 27.Rg6 Kf7 28.Rf6 Ke8 29.Re6 Kf7 30.Rf6=) 24...gf3 (24...Nf3 25.Qf4 Rf7 26.Kb1+=) 25.Rd6 (better is 25.Qf4 Nf7 26.Qg3+=) 25...Nc4–/+ 26.bc4 Qc4 27.Kb1 Qe4 28.Ka1 (28.Qd3!? Qd3 29.R6d3 Bb4 30.Rd4+=) 28...Qf5–+ 29.Rd5 Qc2?? (better is 29...Qg4 30.Rd8 Rd8 31.Qd8 Kf7 32.Qd5 Qe6 33.Qb7 Kg6 34.Rg1 Kh6 35.Qf3 Bd6–/+) 30.Rd8+– Rd8 31.Qc2 (31.Qd8 Kf7 32.Qf6 Kg8 33.Rd8 Qb2 34.Kb2+–) 31...Rd1+= 32.Qd1 Bg7 (better is 32...f2!? 33.Qe2 Be7 34.Qf2 Rf7+/–) 33.Qf3 Bb2 34.Kb2 Rf7 35.Kc3 h4 36.Kd4 Kf8 37.Ke5 Re7 38.Kd6 Rf7 39.Qh5 Kg7 40.Qg5 Kf8 (40...Kh7+–) 41.Ke6 h3 (41...Rh7 42.Qd8 Kg7 43.Qe7 Kg8 44.Qe8 Kg7 45.Qf7 Kh6 46.Qf6 Kh5 47.Kf5 Rg7 48.Qg7 a5 49.Qg6) 42.Qh6 (42.Qh5 Re7 43.Kf6 Kg8 44.Qd5 Kh7 45.Qd3 Kg8 46.Qd8 Kh7 47.Qe7 Kh6 48.Qg7 Kh5 49.Qg5) 42...Kg8+– 43.Qh3 f3 44.Qh5 Rg7 45.Qf3 Kh7 46.Qh5 Kg8 47.Qe8 Kh7 48.Kf6 b6 49.Qe4 Kg8 50.Qa8 (better is 50.Qc4!? Kh7 51.Qd3 Kg8 52.Qa6 Kh7+–) 50...Kh7 51.Qa6 1–0. Lapshun,Yury (2440) – Laframboise,Marc Andre (2090), Quebec Open, Montreal CAN, 2004.

8.Nc3 Nh6 9.0–0 Ne5 10.Ne5 fe5 11.a4 Ng4 12.a5 Qh4 13.h3 Nf6 +=.

8.Bd4 b5 9.Bb3 a5 10.a4 ab4 11.ab5 =.

7.Nf3 f5

8.Nc3 a5 9.b5 Nf6 10.e5 de5 11.Ne5 Be6 12.Be6 Qe6 13.0–0 Bc5 =.

8.Nc3 b5 9.Bg8 Rg8 10.0–0 fe4 11.Ne4 Kd8 12.Qd3 Bf5 13.Nfg5 Qg5 +=.

8.Nc3 b5 9.Bg8 Rg8 10.a4 fe4 11.Ne4 +=.

8.Nc3 Nf6 9.e5 de5 10.Ne5 Be6 11.Be6 Qe6 12.Nd3 Kf7 13.Qe6 Ke6 =.

8.ef5 Qe2 9.Be2 Bf5 10.Nd4 Bc8 11.0–0 d5 12.Bh5 Kd8 13.Rf4 Bb4 =.

8.ef5 Bf5 9.Nd4 Be4 10.Be6 Nf6 11.0–0 c5 12.bc5 dc5 13.Qc4 a6 +=.

5.Nh3 Qe7

6.Nc3 A) 6...Qb4 7.Rb1 Nh6 (7...Qd6 8.Qf3 b5 9.Nf4 Nh6 10.Bd3 Qc7+=; 7...d5 8.Nf4 Nh6 9.Bd3 Bd6 10.Qh5 Nf7+=; 7...Qe7 8.Nf4 d5 9.Bd3 Nh6 10.0–0 Bg4=; 7...Qa5 8.Nf4 Qg5 9.Qf3 Bc5 10.Be2 d6=) 8.Nf4 d5 9.Bd3 Bd6 10.Qh5 Nf7+=; B) 6...d5 7.Nf4 Nh6 (7...de4 8.Qh5 Kd8 9.b5 Bd7 10.Bc4 Qd6+=; 7...d4 8.Qh5 g6 9.Ng6 hg6 10.Qh8 dc3+=; 7...Bf5 8.a3 Be4 9.Ne4 Qe4 10.Qe2 Nh6+=; 7...Qb4 8.Qh5 Kd8 9.Ng6 Qb2 10.Rb1 Qc2+=) 8.Qh5 Kd8 9.Qe2 Bg4 10.Qe3 Qb4–/+.

6.Bd3 Qb4?! A) 7.Ba3 Qd4 (7...Qb6 8.Bf8 Kf8 9.Nf4 d6 10.Nc3 Qc5=) 8.Bf8 Kf8 9.Nc3–/+ g5 10.Nf2 d6–/+; B) 7.Bc3 Qb6 (7...Qe7 8.0–0 Qf7 9.Nf4 Bc5 10.Kh1 d5+=; 7...Qd6 8.0–0 Qc5 9.Kh1 d6 10.Nf4 Qg5=; 7...Qc5 8.Nf4 Nh6 9.Be2 d5 10.ed5 cd5+=; 7...Qa4 8.Nf4 Nh6 9.Qh5 Nf7 10.0–0 b6+=) 8.Nf4 Qc5 9.e5 fe5 10.Qh5 Kd8+=.

6.Qe2 A) 6...d5 A1) 7.Nf2 Qb4 (7...Be6 8.a3 Nd7 9.Nc3 de4 10.Qe4 Bf5+=; 7...de4 8.Ne4 Be6 9.b5 Qd7 10.Qh5 Bf7+=; 7...Na6 8.a3 Nc7 9.Qf3 de4 10.Qf4 f5–/+; 7...Nh6 8.ed5 Qe2 9.Be2 Bb4 10.Nd3 Bd6+=) 8.ed5 Ne7 9.Bc3 Qd6 10.dc6 Nbc6–/+; A2) 7.Nf4 Qe4 (7...de4 8.Nc3 e3 9.0–0–0 Nh6 10.Re1 Ng4+=) 8.Qe4 de4 9.Nc3 f5 10.Bc4 Nf6–/+; B) 6...Qb4 7.Ba3 Qa5 (7...Qa4 8.Bf8 Kf8 9.Qd3 Qa5 10.Nc3 Qe5–/+; 7...Qb6 8.Bf8 Kf8 9.Nc3 d5 10.ed5 Bh3+=; 7...Qd4 8.c3 Qb6 9.e5 f3 10.gf3 Ne7+=) 8.Bf8 Kf8 9.c3 g5 10.d4 Ke7–/+.

6.Nf2 A) 6...d5 A1) 7.Qe2 Qb4 (7...Be6 8.a3 Nd7 9.Nc3 de4 10.Qe4 Bf5+=; 7...de4 8.Ne4 Be6 9.b5 Qd7 10.Qh5 Bf7+=; 7...Na6 8.a3 Nc7 9.Qf3 de4 10.Qf4 f5–/+; 7...Nh6 8.ed5 Qe2 9.Be2 Bb4 10.Nd3 Bd6+=) 8.ed5 Ne7 9.Bc3 Qd6 10.dc6 Nbc6–/+; A2) 7.Qh5 g6 (7...Kd8 8.b5 de4 9.Ba3 c5 10.Qd5 Nd7–/+) 8.Qe2 Be6 9.Nd3 de4 10.Qe4 Bf5–/+; B) 6...Nh6 B1) 7.a3 a5 (7...d5 8.Qe2 Be6 9.ed5 Bd5 10.Qe7 Be7+=; 7...f5 8.Qh5 Kd8 9.e5 a5 10.Be2 ab4=; 7...b5 8.Qf3 d5 9.Qf4 de4 10.Be2 f5=) 8.b5 d5 9.Qe2 de4 10.Ne4 Bg4–+; B2) 7.Qh5 Nf7 (7...Kd8 8.a3 d5 9.Qf3 de4 10.Qf4 f5+=; 7...Qf7 8.Be2 Bb4 9.Nd3 Be7 10.Nf4 0–0+=) 8.a3 d5 9.Qe2 de4 10.Ne4 Bf5–/+; B3) 7.Nc3 Qb4 (7...d5 8.Qh5 Nf7 9.0–0–0 Qb4 10.ed5 Be7+=) 8.Nd3 Qe7 9.Qh5 Kd8 10.Nf4 d5–/+; B4) 7.Ba3 f5 (7...b5 8.Be2 Qe6 9.0–0 a5 10.ba5 Ba3–/+; 7...d6 8.Qf3 Qe5 9.Nc3 f5 10.Qh5 g6–/+; 7...Nf7 8.b5 d6 9.Nc3 f5 10.Bc4 Ne5+=) 8.b5 Qf6 9.d4 Ba3 10.Na3 fe4–/+; B5) 7.b5 f5 (7...d5 8.Ba3 Qe6 9.Qh5 Kd7 10.Bf8 Rf8+=; 7...a6 8.bc6 dc6 9.Qh5 Nf7 10.Bc4 b6+=) 8.Qe2 fe4 9.Ne4 Kd8 10.Nf2 Nf5–/+ ; C) 6...b5 C1) 7.a3 d5 (7...a5 8.ba5 d5 9.Qh5 Kd8 10.a4 b4+=; 7...Nh6 8.Qf3 d5 9.Qf4 de4 10.Be2 f5=; 7...Qe6 8.Qh5 Kd8 9.Qf3 a5 10.ba5 Ra5=) 8.Qh5 Kd8 9.Qf3 de4 10.Qf4 f5+=; C2) 7.Bc3 a5 (7...d5 8.Qh5 Kd8 9.a4 de4 10.ab5 Bb7+=; 7...Nh6 8.a4 d5 9.Qf3 Nf5 10.Be2 de4=) 8.a4 ab4 9.ab5 Ra1 10.Ba1 d5+=; C3) 7.c3 d5 (7...a5 8.ba5 Ra5 9.Qh5 g6 10.Qg4 Bh6+=) 8.Qh5 Kd8 9.d3 f5 10.a4 fe4–/+; C4) 7.Qh5 g6 (7...Kd8 8.Be2 d6 9.a4 ba4 10.0–0 Nd7+=) 8.Qf3 Qb4 9.Nd3 Qe7 10.Be2 g5+=; D) 6...Qb4 D1) 7.Bc3 Qd6 (7...Qc5 8.Qf3 Qg5 9.Nh3 Qh6 10.Nf4 Bd6+=; 7...Qe7 8.Qh5 Qf7 9.Qf7 Kf7 10.Bc4 Ke8–/+; 7...Qa4 8.Bd3 Na6 9.Qh5 Kd8 10.Ba6 Qa6–/+) 8.Qh5 Kd8 9.Bc4 b6 10.Bg8 Rg8–/+; D2) 7.Ba3 Qd4 (7...Qb6 8.Bf8 Kf8 9.Nc3 Ke8 10.Qh5 g6+=; 7...Qa5 8.Bf8 Kf8 9.Qf3 Ke8 10.Nc3 d6–/+; 7...Qa4 8.Bf8 Kf8 9.Nc3 Qd4 10.Ne2 Qd6–/+) 8.Bf8 Kf8 9.c3 Qb6 10.Qc1 Ne7–/+.

6.Qh5!? A) 6...Kd8 A1) 7.Nf2 d5 8.b5 de4 9.Ba3 c5 10.Qd5 Nd7–/+; A2) 7.Nc3 Qb4 (7...Nh6 8.Nf4 d5 9.Qe2 Bg4 10.Qe3 Qb4–/+; 7...d5 8.Nf4 d4 9.Nce2 Qe4 10.Qf7 Nh6+=; 7...g6 8.Qf3 Qb4 9.Rb1 g5 10.Nf2 Qa5+=) 8.Rb1 g5 9.Nf2 Qe7 10.Be2 d6–/+; A3) 7.Qe2 d5 8.Nf4 Qe4 9.Qe4 de4 10.Nc3 Bf5+=; B) 6...g6 7.Qe2–/+ Qb4 (7...d5 8.Nf2 Be6 9.a3 Nd7 10.ed5 Bd5+=; 7...Na6 8.a3 d5 9.Nf4 Bh6 10.g3 Qe4+=; 7...Bg7 8.Nf4 Qb4 9.Bc3 Qe7 10.Qe3 d6+=) 8.Ba3 Qb6 9.Bf8 Kf8 10.Nc3 d5–/+.

6.Bd3 d5–+

7.Qe2 Qb4 8.ed5 Ne7 9.Bc3 f3 10.Qf3 Qh4 –/+.

7.Qe2 de4 8.Be4 f3 9.Bf3 Qe2 10.Be2 Bh3 –/+.

7.Qe2 f3 8.Qf3 de4 9.Qe4 Qe4 10.Be4 Bh3 –/+.

7.Qe2 Bh3 8.gh3 Qb4 9.ed5 Ne7 10.Bc3 Qd6 –/+.

7.Qe2 Bh3 8.gh3 Kd8 –/+.

7.Qe2 Nh6 8.Nf2 Qb4 9.ed5 Kd8 10.Bc3 Qe7 =+.

7.e5 Kd8 8.Qh5 Nh6 9.Nf2 Nd7 10.0–0 Ne5 –+.

7.e5 fe5 8.Qh5 Kd8 9.Qe5 Bh3 10.Qe7 Ke7 –+.

7.e5 g6 8.Ng1 fe5 9.Qe2 Bg7 10.c4 Kd8 –+.

7.e5 Nh6 8.Qe2 Bh3 9.gh3 fe5 10.Qe5 Qe5 –+.

7.Nf4 Qb4?! 8.Ba3 Qd4 9.c3 =.

7.Qh5 Kd8 8.Nf4 g5 9.Nh3 de4 10.Bf1 e3 –/+.

7.Nf4 de4–+

8.0–0? ed3?! 9.Re1 dc2 10.Re7 Be7 11.Qc2 Bb4 12.Ba3 =.

8.0–0? ed3 9.Re1 dc2 10.Re7 Be7 11.Qc2 Bb4 12.Qe4 Be7 13.Ba3 =.

8.Be2 Qc7 9.Nh5 Bb4 10.Bg4 Bf8 –/+.

8.Qh5 g6 9.Ng6 hg6 10.Qg6 Kd8 11.Qe4 Qb4 12.Qb4 Bb4 13.h4 –+.

8.0–0? Qb4

9.Be4 Qb2 10.Nc3 Qb6 11.Kh1 Bd6 12.Qh5 Kd8 13.Ng6 –/+.

9.Be4 Qb2 10.Nc3 Qb6 11.Kh1 Ne7 –+.

9.Be4 Qb2 10.Nc3 Qb6 11.Kh1 Nh6 12.Qh5 (12.Qe2 Be7–+) 12...Kd8 13.Rab1 Qc7 14.Qf3 (14.Rbe1 Bd6 15.Nd3 Bg4–+) 14...Bd6 15.Qd3 f5 16.Bf3 Re8 (16...Qd7 17.Be2–+) 17.Nh5 (17.Rbe1 Na6 18.Bh5 Re1 19.Re1 Bd7–+) 17...g6 (17...Re7 18.Nf4–+) 18.Nf6 Re6 (19.Qd4 Qg7–+) 0–1. Nielsen,C – Saunders,M, corr DEN–GBR, 1996.

9.Be4!? Qb2 10.Qh5 Kd8 11.Nc3.

9.Be4 Bc5 10.Kh1 Qb2 11.Qh5 Kd7 12.Qf7 Ne7 13.Nc3 –+.

9.Be4!? Qe4 10.Re1.

9.Be4 Nh6 10.Bc3+= Qd6 (worse is 10...Qe4 11.Re1 Qe1 12.Qe1 Kd8 13.Bd4+=) 11.Qh5 Nf7 (11...Kd8 12.Qa5 b6 13.Qa4+=) 12.d4= g6 13.Qe2 Be7 14.Nd2 f5 15.Bd3 0–0 16.Nc4 Qc7 17.Rae1 Bf6 18.g4 (better is 18.Ne5!?=) 18...b5+= (18...fg4 19.Ng6 Bd4 20.Bd4 hg6 21.Bg6+–) 19.Nd2 (19.Ne3 Bg5 20.Qf3 Bf4 21.Qf4 Qf4 22.Rf4–/+) 19...Nd6 (better is 19...b4!? 20.Bb2 Bh4 (20...fg4? 21.Ng6 hg6 22.Rf6+–) 21.gf5 Be1 (worse is 21...Bf5 22.Bf5 Be1 23.Qe1+/–) 22.Qe1 g5= (22...Bf5 23.Bf5 Qa5 24.Ng6 Qa2 25.Ne7 Kg7 26.Qg3 Kh8 27.Kh1+–)) 20.gf5= Nf5 21.Bf5 (21.Ne6 Be6 22.Qe6 Qf7 23.Qf7 Kf7 24.Bf5 gf5 25.Rf5=) 21...Bf5+/– 22.Ne6 Qd6 23.Nf8 Qf8 24.Qg2 (24.Ne4 Nd7+/–) 24...Bg7 25.Ne4 Qd8?? (better is 25...b4 26.Bb2 Qd8+=) 26.Rf5!+– gf5 (26...Bd4 27.Bd4 Qd4 28.Nf2 Na6 29.Qc6 Nc7+–) 27.d5! Qf8 (27...cd5 28.Qg7; 27...Qd5 28.Qg7) 28.Bg7 Qg7 (28...fe4 29.Bh6 Kf7 30.Rf1 Ke7 31.Qe4 Kd6 32.Bf8 Kc7 33.Rf7 Nd7 34.Rd7 Kd7 35.Qe7 Kc8 36.d6 b4 37.Qc7) 29.Nf6 Kf7 30.Re7!! (30.Re7 Ke7 31.Qg7 Kd6 32.Qb7+–) 1–0. Kolesnikov – Petrov, corr, 1977.

5.Qh5 g6

6.Qf3 Bb4 7.Ne2 Qe7 8.a3 Ba5 9.Nbc3 +=.

6.Qh4 Bb4 7.Ne2 Qe7 8.Qf4 d6 9.Nbc3 +=.

6.Qh4 d5 7.ed5 Qd5 (7...Bb4 8.Bd3 Qe7 9.Ne2+=) 8.Qf4 Bd6 9.Qe3 Qe6 10.Qe6 Be6 11.a3 Nd7 12.Nf3 Nh6 13.Be2 0–0 14.0–0 Rae8 15.Nd4 Bf7 16.Bf3 Be5 17.d3 (17.Bc3 Nb6+=) 17...Nb6 18.c3 Na4 19.Bc1 Bd4 20.cd4 Nf5 21.b5 cb5 22.Bb7 Rb8 23.Be4 Nd4 24.Bf4 Ne2 25.Kh1 Nf4 26.Rf4 f5 27.Bf3 Nc5 28.Nc3 Nd3 29.Rd4 Ne5 30.Bd5 Rfc8 31.Bf7 Kf7 32.Nd5 Rc5 33.Nb4 Rbc8 34.h4 Rc1 35.Rc1 (35.Rd1 Ra1 36.Ra1 a5–+) 35...Rc1 36.Kh2 Rc3 37.Rd5 (37.a4 Ng4 38.Rg4 fg4 39.ab5–+) 37...Ng4 0–1. Morriss,Pete R – Heidenfeld,Mark (2355), IRL–chT Clubs, 2007.

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Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 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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