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TESTH400 Release 2018-08-04
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 Bb4 4.Bc4

    (...)

    4...c5 5.a3 Ba5 6.Qh5 g6 7.Qf3 d6 8.Ne2. DEFFM – GuestXYVL, freechess.org, 2018.

    4...Na6

    5.f4 ef4=+ 6.Nh3 Bd6 7.0–0= f3 8.Rf3 Ne7 9.g4 Nc5 10.d3 h5 11.g5= Be5 12.Be5+/– fe5 13.Bf7 Kf8 14.Qf1 d5 15.Bd5 Ke8 16.Bf7 Kf8 17.g6?? Bh3 18.Rh3 Nc6?? 19.Bd5 Qf6?? 20.Rf3 Ne4 21.de4 Nd4 22.Rf6 gf6 23.Qf6 Ke8 24.Qh8 Kd7 25.Qa8 (25.Qa8 Nf5 26.ef5 a6 27.g7 e4 28.g8Q Kd6 29.Qaf8 Ke5 30.Qe7 Kd4 31.c3 Ke3 32.Qe4#) 1–0. NN – Kibitz 3, 2000.

    5.Qh5 g6 6.Qh4 (6.Qf3 A) 6...Nh6 7.a3 (7.Nc3 c6 8.Ba6 ba6 9.Rb1 d6 10.Nge2+=) 7...Bc5 8.Ne2 Rb8 9.d4 b5 10.Bd3=; B) 6...Qe7 7.Ne2 (7.Nc3 c6 8.Ba6 ba6 9.Nge2 Rb8 10.0–0+=) 7...c6 8.a3 Ba5 9.Ba6 ba6 10.Nbc3=; C) 6...Ba5 7.Ne2 c6 8.Ba6 ba6 9.Nbc3 Rb8 10.Rb1+=) 6...g5?? (better is 6...d6+= 7.Nf3 (7.c3 Ba5 8.Nf3 Bd7 9.0–0 f5 10.Qd8+=) 7...Nc5 8.a3 Ba5 9.Bc3 Bb6 10.d4+=; 6...Bf8 7.a3 (7.Nf3 Nb4 8.Na3 d5 9.ed5 Bf5 10.Bb5+=) 7...c6 8.f4 d6 9.Nf3 Be7 10.f5=; 6...Qe7 7.a3 (7.Nf3 h5 8.Qg3 g5 9.Ng5 h4 10.Qb3–+) 7...Bc5 8.Nf3 Rb8 9.0–0 b5 10.Bd5+=) 7.Qh5+– Ke7 8.Qf7 Kd6 9.Be5! fe5 (9...Ke5 10.Qd5; 9...fe5 10.Qd5) 10.Qd5 Ke7 11.Qe5 Kf8 12.Qh8 (12.Qh8 d5 13.Bd5+–) 1–0. Bonetti,Shane – COMP, 2000.

    4...Bd6

    5.Qh5 g6 6.Qh4 Qe7 7.Nc3 c6 8.Nge2 b5 9.Bb3 a5 10.a3 Bb7 11.0–0 f5 12.Qe7 Ke7 13.d3 f4 14.d4 Nf6 15.f3 g5 16.h3 h5 17.d5 b4 18.ab4 ab4 19.Ra8 Ba8 20.Na4 c5?? 21.Nb6=+ Bb7 22.Ra1 Ba6 23.Nc4 Bc4 24.Bc4 Bc7 25.Kf2 d6 26.c3 bc3 27.Nc3 Nbd7 28.Nb5 Bb6 29.Ra6 Rb8 30.g3 fg3 31.Kg3 h4 32.Kf2 Nh5 33.Bc1 Nf4 34.Bf4 ef4 35.Nc3 Ne5 36.Bb5 Bc7 37.Ra7–/+ Kd8 38.Ke2 Kc8 39.Ba6= Kd8 40.Nb5 Bb6?? 41.Rg7+– Nd7 42.Rg5 c4 43.Nd6 c3 44.Kd3?? Bc7?? 45.Nb5 (45.Nb5 Nc5 46.Kc3 Ba5 47.Kc4 Na6 48.e5 Rc8 49.Kd4+=) 1–0. bratek55 (1675) – bali63 (1770), kurnik, 2011.

    5.Qh5 g6 6.Qh4 Qe7 7.Ne2 b6 8.Bc3 Bb7 9.d3 Nc6 10.0–0 0–0–0 11.Nd2 f5 12.Qe7 Nge7 13.a4 a5 14.ef5 gf5 15.Nf3 Rhe8 16.Rfd1 Rf8 17.Ng3 e4! 18.de4 Bg3 19.hg3 fe4 20.Nd4 Nd4 21.Bd4 d5 22.Bb5 Bc6 23.Be2 Bb7 24.c4?? c5 25.Be5 d4 26.Bg4 Rd7 27.Rab1+= Nc6 28.Bd7 Kd7= 29.Bf4? Nb4–/+ 30.Kf1 Ba6 31.Rdc1 Nd3 32.Rb6= Nc1 33.Ra6 Nd3 34.Ra5 Nf4 35.gf4 Rf4 36.Rc5 d3 37.Rd5 Kc6 38.a5 e3 39.Rd3 Rf2 40.Kg1 Rc2? 41.Re3+– Rc4 42.Ra3 Kb7 43.Kf2 Ka6 44.Kf3 h5 45.g3 Rg4 46.Ra1 Kb5?? 47.a6+– Rg8 48.a7 Ra8 49.Kf4 1–0. bratek55 (1715) – bali63 (1725), kurnik, 2011.

    4...Kf8

    5.a3 Be7 6.Qh5 g6 7.Qe2 c6 8.f4 d5 9.ed5 cd5 10.Bb3 e4 11.Nc3+= Be6 12.Ne4 Nc6? 13.Nf2 Qd7+= 14.Nf3 Re8 15.0–0 Bc5 16.d4 Bg4? 17.Qd3?? Bf3= 18.Qf3 Nd4 19.Bd4 Bd4 20.Rad1 Bf2 21.Rf2 Ne7 22.Bd5 Nd5 23.Rd5 Qc6 24.Rfd2 Kg7?? 25.Rd7+– Kf8 26.Qb3 Qc5 27.Kf1+– Re7 28.R2d5 Qe3?? 29.Re7 Qe7?? 30.Qd3+– Qc7 31.Rd8 Ke7 32.Rh8 (32.Rh8 Qf4 33.Ke2 Qg4 34.Ke1 Qg2 35.Rh7 Ke6 36.Qc4 Kf5 37.Qc5 Kg4 38.h3 Kf4 39.Rh4 Kg3 40.Rg4 Kh3 41.Rg2 Kg2 42.Qf2 Kh3 43.Qf6+–) 1–0. orangutanb4 (1985) – aljechincz (1755), kurnik, 2011.

    5.c3 Be7 6.Nf3 c5 (6...c6 7.Qb3+=) 7.0–0 d6 8.d4 cd4 9.cd4 Bg4 10.de5 (10.Nbd2 Nc6+=) 10...Bf3? (better is 10...de5 11.Qb3 Nc6=) 11.ef6+– (11.ef6 Nf6 12.Qf3+– (worse is 12.gf3 Nbd7+=); worse is 11.gf3 de5 12.Qb3 Nc6+=) 1–0. Woschkat,Karl_Heinz – Plath,Bj, corr Gambite W0045, 1989.

    4...a6

    5.a3 Ba5 6.Qh5 (6.Bg8!? Rg8 7.Qh5 Kf8 8.Qh7=) 6...g6+= 7.Qf3 Nh6 8.Ne2 d6 9.0–0 Qe7 10.Nbc3 Be6 11.Nd5 (11.Bd5 Nc6+=) 11...Bd5–/+ 12.Bd5 c6 13.Bb3 Bd2 14.Qh3 (14.Rad1 Bg5–/+) 14...Nd7 15.f4 Bf4?? (better is 15...Ng8–/+) 16.Nf4+/– ef4 17.Qh6 g5 18.h4 0–0–0 (better is 18...Ne5!?+/–) 19.hg5+– Qe4 (better is 19...fg5 20.Bh8 Rh8+–) 20.gf6 d5 (20...Qe3 21.Rf2+–) 21.f7 Rhf8 (21...Qe3 22.Rf2 Rhf8 23.Qf4+–) 22.Rae1 (22.Rf4?! Qe3 23.Kh2 Rf7+/–) 22...Qf5 (22...Qg6 23.Qg6 hg6 24.Rf4+–) 23.Rf4 (worse is 23.Qf4 Qg6 24.Qf5 Qd6+–) 23...Qg6 24.Re6 Qg3 (24...Qh6 25.Rh6 Nc5+–) 25.Rc6! bc6 (25...bc6 26.Qc6 Mate attack) 26.Qc6 Kb8 27.Rb4 Ka7 (27...Nb6 28.Rb6 Ka7 29.Qb7) 28.Qb7 1–0. DEFFM – GuestQNRN, freechess.org, 2018.

    5.a3 Bf8 6.Bg8 Rg8 7.Qh5 g6 8.Qh7+=.

    5.Nc3 b5 6.Bb3 Ne7=+ 7.Nh3 c5 8.a4 ba4 9.Na4 d6 10.Qf3 Bd7 11.0–0 Bd2 0–1. xadrezpg (2395) – bmitrica (2115), net–chess.com, 2010.

    5.Qh5 g6 6.Qh4 b5 7.Bg8 Rg8 8.Qh7 Kf8 9.Ne2 (9.c3 Be7=) 9...Qe7 10.Qh6 (10.Qe7 Be7 11.f4 Nc6=) 10...Qg7 (10...Ke8 11.Nbc3 Bb7 12.Rb1=) 11.Qe3 f5 (11...Ke8!?=) 12.f4 (12.ef5 Nc6 13.a4 Bb7 14.ab5 ab5 15.Ra8 Ba8+/–) 12...fe4 (12...d6 13.fe5 de5 14.ef5 gf5 15.Be5 Qg2 16.Qh6 Ke8 17.Rg1 Qg1 18.Ng1 Rg1 19.Kf2+–) 13.Nbc3 (13.Qe4 Nc6+–) 13...Nc6+/– 14.fe5 Qe5 (14...Ke7 15.Nd5 Kd8 16.Nd4+–) 15.0–0 (better is 15.Rf1 Ke7 16.Nb5 Qb5 17.Qe4 Kd8 18.Bf6 Be7 19.Be7 Ne7 20.Qa8+–) 15...Ke8? (better is 15...Ke7 16.Ne4 Qb2 17.Qg5 Ke8 18.Nf6 Kf8+–) 16.Ne4+– (16.Qe4?! Kd8=) 16...Qb2 (16...Bc5 17.Qc5 Qc5 18.Nc5 d6+–) 17.Nd6 Kd8 18.Nf7 1–0. michaelbuss (2785) – smeagol59, ChessWorld.net, 2010.

    5.Bg8 Rg8

    6.Qh5 Ke7 7.a3 Bd2? (better is 7...Bd6=) 8.Nd2+– Nc6 (8...Rh8 9.Ne2+–) 9.Ne2 (9.Qh7 d6+–) 9...g6 (better is 9...Rh8+–) 10.Qh7 Kd6 (10...Kf8+–) 11.Nb3 Rh8 (11...Ke6 12.0–0–0 d6 13.Nc5 dc5 14.Rd8 Rd8 15.Qg6+–) 12.Rd1 Nd4 13.Qg6 c5 (13...Rg8 14.Qf5 Rg5 15.Qf3+–) 14.c3 Qb6 (14...Rg8 15.Qf5 (15.cd4?! Rg6 16.de5 Ke7=) 15...Rg7 16.cd4 cd4 17.Bd4 ed4 18.Qc5 Ke6 19.Nbd4 Kf7 20.Qd5 Ke7 21.Nf5 Kf8 22.Ng7 Kg7 23.Ng3+–) 15.Qf6 Kc7 16.Qb6 (16.cd4?! Qf6 17.dc5 Kd8+=; 16.Qe5 d6 17.Qe7 Kb8 18.cd4 Qb3 19.Qd6 Ka7 20.Qc5 b6+–) 16...Kb6 17.cd4 c4 (17...cd4 18.Rd4! ed4 19.Bd4 Kb5 20.Bh8+–) 18.Nd2 d6 (18...Kc7 19.Nc4 d5 20.Ne5+–) 19.Nc4 (19.Nc4 Kb5 20.Nd6 Ka4 21.de5+–) 1–0. zsvr – whik, internet, 2009.

    6.Qh5 Kf8

    7.c3 Be7 8.Qh7 (8.d4 ed4 9.cd4 d5 10.Qh7 de4 11.Qe4 Kf7) 8...d5 (8...Kf7 9.Qh5 g6 10.Qf3 Ke8 11.h4 Nc6) 9.Nf3 Kf7 10.Qh5 g6 11.Qh7 Rg7.

    7.Nc3 Nc6 A) 8.Qh7 Kf7 (8...Bc3 9.Bc3 d5 10.f4 ef4 11.Ne2 Qe7) 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 Bc3; B) 8.Nd5= Rh8 9.Nf3 Bc5 10.0–0 d6 11.Rfd1 Qd7.

    7.Nc3 h6 8.Nd5+= Bd6 (8...Be7 9.Nf3 c6 10.Ne7 Ke7 11.0–0 d6; 8...Nc6 9.Nf3 Rh8 10.Nb4 Nb4 11.Ba3 c5) 9.Nf3 c6 (better is 9...Qe8!? 10.Qe8 Ke8+= 11.Ba3 Kd8; 9...Rh8 10.d4 ed4 11.Nh4 c5) 10.Be5!+– fe5?? (10...Be5 11.Ne5 Qe8; 10...fe5 11.Qf5 Qf6; 10...Bc5 11.Nc7 d5) 11.Qf5 Ke8 12.Qg6 Kf8 13.Qd6 Ke8 14.Qg6 Kf8 15.Ne5 (15.Ne5 Qe7 16.Ne7 Ke7 17.Qf7 Kd6 18.Qg8 Ke5 19.Qc8+–) 1–0. pereira – tzaio, internet, 2009.

    7.Nc3 Rh8 A) 8.Nge2 Nc6 (8...Bc5 9.Rb1 d6 10.Nc1 Qe8 11.Qe8 Ke8 12.Nd3; 8...Kg8 9.Nd5 Ba5 10.Rb1 d6 11.f4 Nd7; 8...d6 9.Nd5 Nc6 10.c3 Ba5 11.0–0 Qe8; 8...g6 9.Qh6 Kf7 10.Nd5 Bc5 11.f4 d6) 9.Nd5 d6 10.c3 Ba5 11.d3 Qe8; B) 8.Nf3 Bc3 (8...Qe8 9.Qe8 Ke8 10.Nd5 Ba5 11.Bc3 Bc3) 9.Bc3 Qe8 10.Qh4 Qg6 11.0–0 d6.

    7.Nf3 d5 8.Nc3 (8.Qh7!? de4 9.Qe4=) 8...Bc3?? (better is 8...de4 9.Ne4 Rh8+=) 9.Ba3+– (9.Ba3 Qd6 10.Bd6 cd6 11.dc3 de4 12.Nh4+–) 1–0. Winner – Marwan, internet corr, 2018.

    7.Nf3 Rh8 8.0–0+=.

    7.Qh7 Nc6 A) 8.c3 Be7 (8...Bc5 9.Ne2 d5 10.d4 ed4 11.cd4 Bb4) 9.Nf3 d5 10.d4 Kf7 11.ed5 Qd5; B) 8.a3 Bc5 9.Nf3 d6 10.Nc3 Be6 11.Nd5 Ke8; C) 8.Nf3 Kf7 (8...Ke7 9.c3 Ba5 10.0–0 Qf8 11.d4 Rh8) 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 Kg8.

    7.Qh7 d6 8.Nf3 Be6 9.Nc3 c6 10.0–0 Nd7 11.Nh4 Bf7 (11...Nc5 12.a3 Bc3 13.Bc3=) 12.a3 Bc3 13.Bc3 b5 14.Rfe1 d5 (better is 14...g6!?=) 15.ed5+/– cd5 16.Bb4 Ke8 17.Nf5 Nb6?? (better is 17...Nf8 18.Qh4 Be6+–) 18.Nd6 Kd7 19.Nf7 Qc7 (19...Qe8 20.Qg6 a5 21.Bc5+–) 20.Nh6 (20.Nh6 Qc8 21.d3+–) 1–0. usingprogram (2020) – freitas129, kurnik, 2013.

    7.Qh7 Ke7 A) 8.Ne2 d5 (8...d6 9.Nbc3 Bc3 10.Nc3 Be6 11.f4 Nc6) 9.a3 Ba5 10.f4 d4 11.fe5 fe5; B) 8.Nc3 Bc3 (8...c6 9.Nf3 d6 10.Nh4 d5 11.a3 Ba5; 8...Qf8 9.Nf3 Nc6 10.Nd5 Kd8 11.Qg6 Bc5; 8...Kf7 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 Nc6) 9.Bc3 Nc6 10.Nf3 d6 11.d4 ed4; C) 8.c3 Ba5 9.Nf3 Nc6 10.0–0 Qf8 11.d4 Rh8; D) 8.Nf3 d6 (8...Nc6 9.c3 Ba5 10.h4 d6 11.h5 Be6) 9.a3 Ba5 10.Nc3 Be6 11.Nd5 Ke8.

    7.Qh7 Kf7 8.Qh5 g6 9.Qh7 Rg7 10.Qh4 Nc6 11.Nc3 Bc3.

    6.Qh5 g6

    7.Qh7+= Kf8 8.a3 Bc5 9.f4 ef4 10.Ne2=.

    7.Qh7 Kf8 8.a3 Bd6 9.Nc3 Qe7 10.Qe7 Be7= 11.Nd5 Nc6 12.Nc7 Ra7 13.Nd5 b5 14.f4 Nd4 15.Bd4 ed4 16.Nf3 Bc5 17.Nf6+– Rg7 18.g4 d6 19.g5 Rae7 20.h4 Bg4 21.Ng4 Re4 22.Kd1 Rf4 23.Rf1 Rg4 24.Ne5 Kg8 25.Ng4 Re7 26.Nf6 Kg7 27.Rf3 Re4 28.Ne4 (28.Ne4 a5 29.Ke2 Ba3 30.Rfa3 d3 31.Rd3 d5 32.Rd5 Kf8 33.Rf1 Ke8 34.Re5 Kd8 35.Rf7 b4 36.Nd6 b3 37.Re8#) 1–0. Comet B25 – NN, 2005.

    7.Qh7 Rf8

    8.Qg6 Ke7 9.Nc3 (better is 9.c3 Ba5 10.Nf3+/–) 9...Rg8? (better is 9...c6+/–) 10.Nd5+– Kf8 (10...Kd6 11.Qh6 Rh8 12.Be5 Ke5 13.Qf4 Ke6 14.Nc7 Ke7 15.Na8 Bd6+–) 11.Qh6 Kf7 12.Nb4 (12.Qh5 Kf8 13.Nb4 d6+–) 12...d6 (12...Rg2 13.Qh5 Kg7 14.f4+–) 13.Qh5 (13.Qh7 Rg7 14.Qh5 Kg8+–) 13...Rg6 (13...Kf8 14.Nd5+–) 14.Nd5 (14.h3 Kg7+–) 14...Bg4 15.Qh7 Rg7 16.Qh4 (16.Qh6 Be6+–) 16...Be6 (16...Nd7 17.f4+–) 17.g3 (17.Qh5 Kg8+–) 17...Nc6 (17...Bd5 18.ed5 Qd7 19.Rb1+–) 18.Ne2 1–0. Wall,Bill – Skaki, internet, 2003.

    8.Qg6 Rf7

    9.Nc3 Bc3 10.Bc3 d5 (10...Nc6 11.h4 (11.Nf3+/– Ne7 12.Qh5 d5 13.d3 Be6+/–) 11...Ne7 12.Qh5 d5 13.d4 Qd6+/–) 11.Qg8+– Ke7?? (better is 11...Rf8 12.Qd5 Qd5 13.ed5 Nd7+–) 12.Bb4 (12.Bb4 Kd7 13.Qf7 Kc6 14.Nf3 de4 15.Be7+–) 1–0. aspasio (2210) – gmlibs (1880), ICC, 1999.

    9.Nc3 Bc5 A) 10.Nf3 d6 11.h4 Nd7 12.h5 Nf8 13.Qg3 Qd7+/–; B) 10.h4 d6 (10...Nc6 11.Nd5 d6 12.Nf3 Be6 13.Ng5 Bd5+–) 11.Nf3 Nd7 12.h5 Nf8 13.Qg3 Qd7+/–; C) 10.f4 d6 (10...Nc6 11.Nd5 Nd4 12.Bd4 Bd4 13.c3 Bg1+–) 11.Nf3 Nd7 12.f5 b6 13.Qg8 Nf8+/–.

    9.Nc3 c6 A) 10.Rb1 d5 (10...b5 11.a3 Bc5 12.h4 d5 13.ed5 cd5+/–) 11.ed5 Bc3 12.Bc3 Qd5 13.Rb2 Nd7+/–; B) 10.Nf3 d5 11.ed5 Bc3 12.Bc3 Qd5 13.d3 b6+/–; C) 10.h4 d5 11.h5 Nd7 12.ed5 Nf8 13.Qd3 Bc3+/–.

    9.Nc3 Nc6 10.Nd5 d6 (10...Bc5 11.h4 a5 12.h5 Ra6 13.h6 Ne7+–) 11.c3 Bc5 12.h4 Be6 13.h5 Kd7+=.

    9.Nc3 d6 10.Nf3 Bc5 (10...Bc3 11.Bc3 Nc6 12.d4 Qd7 13.h3 Ne7+/–) 11.h4 Nd7 12.Na4 Ba7 13.Rb1 Nf8+/–.

    9.Ne2 A) 9...d5 A1) 10.a3 Bc5 (10...Be7 11.ed5 Qd5 12.Nbc3 Qc6 13.d4 Qb6+/–) 11.ed5 Qd5 12.Nbc3 Qc6 13.Ne4 Be7+/–; A2) 10.Nbc3 d4 11.Nd1 Nc6 12.c3 Bc5 13.cd4 ed4+=; A3) 10.ed5 Qd5 11.Nbc3 Qc6 12.h4 Be6 13.a3 Be7+/–; B) 9...Nc6 B1) 10.a3 Bc5 11.f4 d6 12.Nbc3 f5 13.Rf1 Qh4+/–; B2) 10.Nbc3 Bc3 (10...Ne7 11.Qh5 d5 12.a3 Bc3 13.Nc3 Be6+/–) 11.Nc3 d6 12.g4 Be6 13.0–0–0 Ne7+=; B3) 10.f4 d6 11.Nbc3 Bc3 12.Bc3 f5 13.0–0 Qh4+/–.

    9.Nf3 A) 9...d5 A1) 10.a3 Bf8 (10...Be7 11.ed5 Qd5 12.Nc3 Qc4 13.h4 Bg4+/–) 11.ed5 Qd5 12.Nc3 Qe6 13.h4 Nc6+/–; A2) 10.Nc3 d4 (10...Bc3 11.Bc3 de4 12.Qe4 Be6 13.d4 Bd5+/–) 11.Ne2 Bc5 12.Nc1 Nc6 13.Nd3 Bd6+/–; A3) 10.ed5 Qd5 11.a3 Bc5 12.Nc3 Qc6 13.Ne4 Be7+/–; B) 9...Nc6 B1) 10.Ba3 Ba3 (10...Qe7 11.Qg8 Rf8 12.Qb3 Ba3 13.Qa3 Qg7+=) 11.Na3 Ne7 12.Qg3 d5 13.ed5 Qd5=; B2) 10.c4 b5 (10...d6 11.Nc3 Ne7 12.Qh5 Bc3 13.Bc3 Be6+/–) 11.Na3 Ne7 12.Qh5 Bb7 13.Qh8 Rf8=; B3) 10.c3 Be7 (10...Bf8 11.d3 d5 12.Nbd2 Ne7 13.Qh5 Be6+/–) 11.Ba3 Ba3 12.Na3 Ne7 13.Qg3 d5+=.

    4...b5

    5.c3 Bc5 (better is 5...Bc3 6.Nc3 bc4 7.Rb1 (7.Qh5 g6–/+ 8.Qe2 Ba6 9.Nf3 Nc6 10.0–0–/+; 7.Qa4 Ba6 8.Nf3 Ne7 9.0–0 Nc8 10.Qc2–/+) 7...Nc6 8.Qa4 a5 9.Qc4 Ba6 10.Nb5–/+) 6.Bg8= Rg8 7.Qh5 (7.d4 Bf8 8.de5 Nc6 9.Qd5 Rh8 10.c4=) 7...Kf8 (7...Ke7 8.d4 Bd6 9.Nf3 Bb7 10.de5+=) 8.Qh7 (8.d4 Bb6 9.Nf3 d6 10.a4=) 8...Nc6 (8...Kf7 9.Qh5 g6 10.Qe2=) 9.Ne2 (9.Ba3 Kf7 10.Qh5=) 9...Ke7 (9...Kf7 10.Qh5 g6 11.Qf3=) 10.d4+= ed4 (10...Bb6 11.a4 ba4 12.d5=) 11.cd4 Bb4 12.Nbc3 Qf8 13.Nf4 (13.0–0 Rh8 14.Qf5 a6+=) 13...Ke8 (13...Kd8 14.Rd1=) 14.Rd1 Rh8 15.Qf5 Qf7 (15...Qd6 16.Qg6 Kf8 17.Qg4+=) 16.Qb5 Qa2 17.Qe2 (17.Qb4! Nb4 18.Na2 Na2 19.Ra1+=) 17...Ba6 18.Qc2 (18.Qd2 Qc4 19.Qe3 Rb8=) 18...Rb8 (better is 18...Bc3 19.Qc3 Rb8–/+) 19.Rd2?? (better is 19.Qd2 Qc4 20.Nfe2+=) 19...Nd4!–+ 20.Qc1 (20.Rd4 Bc3) 20...Nb3 (better is 20...Qc4 21.Rd4 Qd4–+) 21.Rd7?? (21.Qc2 Bc3 22.Bc3 Qc2 23.Rc2–+) 21...Kd7 (better is 21...Nc1 22.Rd2 Bc3 23.Bc3 Rb1–+) 22.Qd1 Ke8 23.Ng6 Qb2 24.Nh8 (24.Rf1 Qc3 25.Qd2 Qd2) 24...Qc3 25.Qd2 Qd2 0–1. Suess,Stefan – Dymek,Hans Peter, corr, 1985.

    5.Bb3 Bb7

    6.a3 Ba5 7.Qe2 c5 8.Nc3 Bc3 9.Bc3 c4 10.Ba2 d5 11.ed5 Bd5 12.Nf3 Ne7 13.0–0 0–0 14.d3 cd3 15.cd3 Ba2 16.Ra2 Nbc6 17.d4 Nd5 18.Bb2 b4 (18...Nd4 19.Nd4 ed4 20.Bd4–/+) 19.ab4 (19.de5 b3 20.Raa1 fe5=) 19...Ncb4 20.de5?? (20.Ra3 ed4 21.Qe6 Kh8 22.Bd4 Re8+=) 20...fe5 (better is 20...Na2 21.ef6 gf6 22.Qe6 Kg7–+) 21.Qe5= Threatening mate... how?. 21...Qf6 22.Qf6 Nf6 23.Ra4 a5 24.Rfa1 Nc2 (24...Nc6 25.Bc3 Rfd8 26.Ba5 Ra5 27.Ra5 Na5 28.Kf1–+) 25.Rc1 (better is 25.Bf6 gf6 26.R1a2=) 25...Rfd8?? (25...Rfc8 26.Bf6 gf6 27.Ra2+=) 26.Ne5?? (26.Bf6 gf6 27.Rf4+=) 26...Nb4= 27.f4 Nd3 (27...Nh5 28.g3=) 28.Nd3+= Rd3 29.Bf6 gf6 30.Rc7 Rd5 31.Kf2 f5 (31...f5 32.Ke3 Re8 33.Kf3 Rd3 34.Kf2 Rd2 35.Kf3 Red8=). Negroni,Giovanni – Merkl,M, corr SOK–90–62, 1990.

    6.a3 Bc5 7.d4 Bd4 8.Bd4 ed4 9.Qd4–/+.

    6.Qe2 a6 7.Bg8 Rg8 8.Qh5 Kf8 9.Qh7 d5 10.ed5 Bd5 11.Nf3!?+= A) 11...c5 A1) 12.Bc3 Nc6 (12...Bf3 13.gf3 Nc6 14.Rg1 Bc3 15.Nc3 Nd4–/+; 12...Bc3 13.Nc3 Bf3 14.gf3 Nc6 15.0–0–0 Qa5+=; 12...Qd7 13.a3 Qg4 14.Qd3 Bc3 15.Qd5 Ba1=) 13.Nh4 g5 14.Ng6 Ke8 15.a3 Bc3–+; A2) 12.a4 Ke7 13.ab5 ab5 14.Ra8 Ba8 15.Nh4 Qd5=; B) 11...Kf7 B1) 12.a4 ba4 (12...Rh8 13.Qf5 Nc6 14.Nc3 Nd4 15.Nd4 Bc3+=; 12...Bf3 13.gf3 Qd5 14.Rg1 Qf3 15.Qg6 Ke6+=; 12...c6 13.Qf5 Ke8 14.Qg6 Ke7 15.Nh4 Qe8=; 12...Ba5 13.Qf5 Ke8 14.Qg6 Ke7 15.Qg3 Qd6+=; 12...e4 13.Nh4 Rh8 14.Qg6 Kg8 15.Nf5 Rh7=; 12...Re8 13.Nc3 Bc3 14.Bc3 Nc6 15.ab5 ab5=; 12...Nc6 13.Nh4 Ne7 14.Qh5 g6 15.Qg4 Qd6+=) 13.Qf5 Nc6 14.Ra4 Qc8 15.Qh5 g6–/+; B2) 12.Qf5 Nc6 (12...Re8 13.a3 Ba5 14.Nc3 Bc3 15.Bc3 Qd7+=; 12...Ke8 13.Qg6 Ke7 14.a4 Bf3 15.gf3 Qd5=; 12...Nd7 13.Nc3 g6 14.Qg4 Bc3 15.Bc3 Nc5+=) 13.a4 g6 14.Qh3 Rh8 15.Qg3 Qd6+=; C) 11...Nc6 12.a4 Ba5 (12...ba4 13.Ra4 Ke7 14.Ba3 Ba3 15.Ra3 Qd7=; 12...Kf7 13.Qh5 g6 14.Qh7 Rg7 15.Qh3 ba4+=) 13.ab5 ab5 14.Rg1 Kf7 15.Nh4 Rh8+=.

    6.Qe2 a6 7.Bg8 Rg8 8.Qh5 Kf8 9.Qh7 d5 10.ed5 Bd5 11.Qh3 Qd7–/+ 12.Qd7 (12.Qg3 Qc6 13.Ne2 Qc2 14.Ba3 Nc6 15.Nec3 Ba3–/+; 12.f3 Qh3 13.Nh3 Nc6 14.Nc3 Bc3 15.Bc3 Rh8–/+) 12...Nd7 13.f3 c5 (13...Rh8 14.Ne2 Be6 15.Nbc3 Ke7–/+) 14.Ne2 Nb6 (14...g5 15.Nbc3 Be6–/+) 15.c3 (15.Bc3!?–/+ Kf7–/+; 15.a3 Ba5–/+) 15...Ba5–+ 16.Na3 Rd8 17.Nc2 Na4 (17...Nc4 18.0–0–0–+) 18.Ba3–/+ Kf7 19.Bc5?? (better is 19.h4–/+) 19...Nc5–+ 20.Nc1 e4 21.Nd4 (21.f4 Rge8 22.Ne3 Nd3 23.Nd3 ed3–+) 21...Nd3 (21...e3!? 22.Rb1–+) 22.Nd3 ed3 23.Nb3 Rge8 24.Kd1 Bb6 25.Re1 (25.Nc1 Re5–+) 25...Re1 26.Ke1 Re8 27.Kf1 (27.Kd1 Re2 28.Nc1 Rg2 29.Nd3 Bf3 30.Kc1 Rh2–+) 27...Re2 28.h3 (28.Nd4 Rd2 29.Ke1 Rg2–+) 28...Rf2 29.Kg1 Rf3 30.Kh2 (30.Nd4 Rg3 31.Kf2 Rg2 32.Ke3 Rg3 33.Kf2 Rf3 34.Kg1 Rh3–+) 30...Rf2 31.Rg1 Bb3 32.ab3 Rd2 (32...Rd2 33.Rf1 Re2–+) 0–1. Dymek,Hans Peter – Klein, corr, 1985.

    6.Qh5 g6 7.Qh4 Nc6 8.Ne2 Be7 9.Nbc3 (9.Bg8 Rg8 10.Qh7 Kf8= 11.Nbc3 Rg7 12.Qh6 Kg8 13.0–0=) 9...f5 (9...b4 10.Nd5 Bc5 11.Qg3 a5 12.a4 ba3 13.Ba3+=) 10.Qh3 (10.Qg3 Bh4 11.Qf3 Nce7 12.0–0 a6 13.Rae1+=) 10...Bc5 (better is 10...b4 11.Bg8 Rg8 12.Qh7 Kf8= 13.Nd5=) 11.ef5+/– Nf6 (11...Qe7!? 12.fg6 0–0–0 13.Nb5 Nf6+/–) 12.fg6+– (12.Nb5?! g5+/– 13.d4+/–) 12...Qe7 (12...b4 13.g7 Rg8 14.Bg8 bc3 15.Qc3 Bf2 16.Kd1 Ng8 17.Qb3+–; 12...Nd4 13.f4+/–) 13.Bf7 (13.Nb5?! 0–0–0 14.Qf5 hg6 15.Qg6 Na5+/–) 13...Kd8 14.g7 (14.Nb5?! Rf8+/–) 14...Rg8 (14...Re8 15.Be8 Qg7 16.Bh5+–) 15.Bg8 Qg7 (15...Ng8 16.Ne4 Bb6 17.Qh7+–) 16.Bb3 Ne7 (16...Nd4 17.f3+–) 17.Ng3 Ng4 (17...a6 18.Nce2+–) 18.Nce4 Bb6 19.0–0 (19.f3 Nh6+–) 19...d5 (19...Qg6 20.Kh1 d5 21.f3+–) 20.Nc3 (20.Ba3 Nh2 21.Be7 Qe7+–) 20...Bd4 (20...c6 21.Qh4+–) 21.Qh4 (better is 21.Nge2 Bc3 22.Nc3 a5+–) 21...Kd7 (21...Nf6+–) 22.Nh5 Qg6 23.Qg4! Qg4 24.Nf6 Ke6 25.Ng4 1–0. Gross,Wilhelm – Dymek,Hans Peter, corr, 1985.

    5.Bb3 Nc6

    6.a4 ba4 7.Bg8 Rg8 8.Qh5 Ke7 9.Qh7 d6 10.Ne2 Bc5+=.

    6.Nc3 Bc3 7.Bc3 b4 8.Bb2 Nge7 9.Qh5 Ng6 10.Nf3 Bb7+=.

    6.Nc3 Bc3 7.Bc3 d6 8.Ne2 Nge7 9.d4 Nd4 10.Bd4 c5 11.Bc3 c4 12.Bb4 Exerts pressure on the backward pawn 12...a5 13.Bd6 cb3 14.cb3 a4 15.Nc3 ab3 16.0–0 Qd7 17.Rc1 (17.Be7!? Qd1 18.Rfd1 Ke7 19.ab3=) 17...b4 18.Bb4 ba2 19.Qc2 Nc6 20.Bc5 Bb7 21.Na2 Nd4 22.Bd4 ed4 23.Qb3 Qf7 24.Qb6 Ra6 (24...Qa2? 25.Qb5 (25.Qb7 Kf8+–) 25...Kf8 26.Qb7+–) 25.Qd4 0–0 26.Nb4 Ra4 27.f3 Ba6 28.Rfd1 Rb8 29.Qd8! Rd8 30.Rd8 Qf8 31.Rf8 Kf8 32.Nd5 h6 33.h4 Rc4 34.Rc4 Bc4 35.Kf2 Kf7 36.h5 Bb3 37.g4 g6 38.hg6 Kg6 39.Kg3 Ba4 40.Kh3 Bc2 41.Kh4 Bb3 42.Kg3 Ba4 43.Ne7 Kf7 44.Nf5 Kg6 45.Nh4 Kg7 46.Nf5 Kg6 47.Nh4 Kg7 ½–½. asoka (2845) – pierred (2815), net–chess.com, 2011.

    6.Nc3 Bc3 7.Bc3 d6 8.Qh5 g6 9.Qf3 b4 10.Bb2 Na5+=.

    6.Nc3 Bc3 7.Bc3 Nge7 8.Qh5 Ng6 9.Nf3 Bb7 10.Nh4 Nce7=.

    6.Ne2 Na5 7.0–0 Nh6 8.d4 Bb7 9.Ng3 Nb3 10.ab3 Qe7 11.de5 (11.Bc1 Nf7 12.c3 Bd6=) 11...fe5+= 12.Nc3 c6 13.Na2 Bc5 14.Bc1 0–0–0 (14...Qh4 15.Qh5 Qh5 16.Nh5–/+) 15.c3 (15.Bh6 gh6 16.b4 Bb6=) 15...Rhf8 16.Nb4 Bb6 17.Nd3 d6 18.Kh1 (18.c4 bc4 19.bc4 Qf6+=) 18...Kb8 19.c4 Bd4 20.Ra2 Qe6 21.Qc2 d5 22.ed5 cd5 23.c5 (23.cb5!? Nf5 24.Nf5 Qf5 25.Rd1=) 23...Nf5+= 24.Ne2 Qf6 25.Ra5 a6 26.Nb4 Qg6 27.Ra2 (27.Nd4 Nd4 28.Qa2 Nc6 29.Na6 Kc8+=) 27...Bc5 (27...Kc7 28.Nd4 Nd4 29.Qc3=) 28.Na6= (worse is 28.Qc5 Rc8 29.Na6 Qa6 30.Ra6 Rc5+=) 28...Ba6 29.Qc5 Kb7 30.Bb2 Qb6 (30...Qd6 31.Qd6 Rd6 32.Ba3=) 31.Qb4 Rfe8 32.Rfa1 Ra8 (32...Qf2 33.Ra6 Qf1 34.Rf1 Ka6 35.Ra1 Kb6 36.Qa5 Kc6 37.Qa7 Ng3 38.Ng3 d4 39.Ra6 Kd5 40.Qb6 e4 41.Qd4) 33.Nc1 e4 (33...Qf2 34.Nd3 Qh4 35.Nc5 Kc8 A) 36.Ra6?! Ra6 (36...Qb4?? 37.Ra8 Kc7 38.Be5 Re5 39.Na6 Kd6 40.Nb4+–) 37.Na6 Qb4 38.Nb4 d4+=; B) 36.Na6?! Qb4 37.Nb4 Ra2 38.Ra2 d4+/–; C) 36.Qd2+–) 34.Ne2 Qd6 35.Qd2 g6 36.Ba3 Qe6 37.Bc5 Rec8 38.b4 h5 (38...Rd8 39.Nd4 Qf6 40.Kg1+/–) 39.Ra5 (39.Nf4 Qc6 40.Ng6 Qg6 41.Qd5 Rc6 42.Qd7 Rc7 43.Qd5 Rc6 44.Qd7 Rc7 45.Qd5 Rc6=) 39...Rd8 40.Qg5 Rdc8 41.Kg1 h4 42.h3 Rc6 43.Nc3 d4 44.Nb5 e3 45.Nd4 ef2 46.Kf2 Qf6 47.Qf6 Rf6 48.Nf3 Kb8 49.Ne5 Re6 50.Nd7 Kc7 51.Nb6! Rb6 52.Bb6 Kb6 53.b5! Rf8 (53...Bb5 54.Ra8 Pinning (54.Ra8 Deflection)) 54.Ra6 (54.ba6?! Nd4 55.Ke3 Nb3+/–) 54...Kb5 55.Kf3 Kc4 56.Kf4 Ng3 (56...Rg8 57.Kg5 Kc5 58.Rg6 Rg6 59.Kg6+– (59.Kf5?! Rg2 60.Ra4 Kd6+–)) 57.Kg4 Rf2 58.R1a2 (worse is 58.Kh4 Nf5 59.Kg5 Rg2 60.Kf6 Rg3+–) 58...Rf1 (58...Ne2 59.Kh4 Rg2 60.R2a4 Kb5 61.R6a5 Kb6 62.Rg5+–) 59.Kh4 (59.Kh4 Ne4 60.Rg6+–) 1–0. asoka (2845) – pcmvr (2865), net–chess.com, 2012.

    6.f4 d6 A) 7.Qh5 g6 8.Qh4 Bc5 9.Ne2 Rb8 10.Nbc3 f5–/+; B) 7.a4 ba4 8.Ra4 Rb8 9.c3 Ba5 10.f5 g6–/+; C) 7.c3 Ba5 (7...Bc5 8.d4 Bb6 9.Bg8 Rg8 10.Qh5 g6+=) 8.f5 g6 9.Bd5 Nge7 10.Qb3 gf5–/+; D) 7.Ne2 Nge7 (7...Bc5 8.d4 ed4 9.Nd4 Nd4 10.Bd4 Bd4+=; 7...Bg4 8.h3 Bd7 9.c3 Ba5 10.0–0 Bb6+=) 8.c3 Ba5 9.Ng3 d5 10.Qh5 g6–/+; E) 7.Nc3 Bc3 (7...Nd4 8.Bg8 Rg8 9.Nd5 Bc5 10.c3 Ne6=; 7...a6 8.Bg8 Bc3 9.Bc3 Rg8 10.Qh5 g6+=) 8.Bc3 b4 9.Bb2 ef4 10.Qh5 g6+=.

    6.f4 Qe7 7.f5 Nh6 (7...g6 8.Nc3 Bc3 9.Bc3 b4 10.Bb2 Bb7+=; 7...Bb7 8.Qh5 Kf8 9.Bd5 Rb8 10.c3 Bc5+=) 8.a3 Bc5 9.Qh5 Kd8 10.Nf3 Na5–/+.

    6.f4 Nge7 7.Nf3 (7.Qh5!? g6 8.Qh4+= Rf8 9.Ne2 Bb7 10.Rf1 a5=; 7.Qg4 g6 8.Qh4 d6 9.Nf3 Rb8 10.fe5 Ne5=) 7...d6 (7...ef4 8.0–0 a5 9.Nh4 f3 10.Qf3 d5=) 8.a3 (8.c3 Ba5 9.0–0 Bg4 10.h3 Bh5–/+) 8...Ba5 (8...Bc5 9.d4 (9.Nc3–/+ Rb8 10.fe5 de5–/+) 9...ed4 10.Nd4 Nd4–/+) 9.0–0 (9.fe5 de5 10.Nc3 Rb8–/+) 9...ef4 (9...Bb6 10.Kh1 Bg4–/+) 10.d4 (10.Nh4 Bb6–/+) 10...Bb6 (10...Bg4–/+) 11.Kh1 Na5 12.Nh4 h5 13.Qf3 (13.Qd3 Qd7–/+) 13...g5 14.Nf5 Bf5 15.ef5 Nf5 16.Qe4 Ne7 17.Re1 Nb3 18.cb3 Kf8 19.d5 Rh6 20.Nc3 a6 21.Ne2 (21.Qd3 f5–/+) 21...Ng6 (21...Qd7 22.Bd4–/+) 22.Bd4 Bd4 (22...Qe7!? 23.Qc2 Re8 24.Bb6 cb6–+) 23.Nd4+= Qe7 (better is 23...Qd7+=) 24.Qe7? (better is 24.Ne6 Kg8 25.Rac1=) 24...Ne7–+ 25.Re7 (25.Ne6 Kf7 26.Nc7 Ra7–+) 25...Ke7 26.Nf5 Kf7 27.Nh6 Kg6 28.Nf7 (28.Kg1 Re8–+) 28...Kf7 29.Rc1 0–1. Klein – Suess,Stefan, corr, 1985.

    6.f4 ef4 A) 7.Bg8 Rg8 8.Qh5 Ke7 9.Ne2 (9.Qh7+= Ne5 10.Nf3 d6+=) 9...Rh8 10.Nbc3 Bc3+=; B) 7.a3 Bd6 (7...Ba5 8.Qh5 g6 9.Qb5 Qe7 10.Qa4 Rb8+=; 7...Bf8 8.Qh5 g6 9.Qb5 Rb8 10.Qa4 Bd6=) 8.Qh5 g6 9.Qb5 Rb8 10.Qc4 Qe7+=; C) 7.Qh5 g6 8.Qb5 Qe7 9.Qe2 Bb7 10.Nf3 Ne5+=.

    5.Bb3 g6

    6.Ne2 Bb7 7.Nbc3 Bc3 8.Nc3 b4 9.Nd5 a5 10.a3 c6 11.Ne3 c5 A) 12.d3 A1) 12...a4 13.Bc4 Qc7 14.f4 ba3 15.Ra3 ef4 16.Ng4+=; A2) 12...Ne7 13.f4 (13.Qf3 a4 14.Bc4 Rf8 15.0–0 f5 16.Be5=; 13.ab4 cb4 14.f4 d6 15.c3 Nbc6 16.Ra4=) 13...a4 14.Ba2 Nbc6 15.0–0 Qc7 16.fe5=; A3) 12...Qe7 13.c3 (13.ab4 cb4 14.Nc4 Nc6 15.0–0 Qc5 16.c3=; 13.0–0 a4 14.Bd5 Bd5 15.Nd5 Qd6 16.ab4=) 13...Nc6 14.0–0 Qd6 15.Nc4 Qc7 16.ab4+=; A4) 12...Nc6 13.0–0 a4 14.Bc4 Nd4 15.f4 d6 16.Nd5+=; A5) 12...Qc7 13.f4 (13.0–0 a4 14.Bd5 Ne7 15.Bb7 Qb7 16.f4=; 13.ab4 cb4 14.0–0 Nc6 15.f4 Nge7 16.fe5=; 13.c3 ba3 14.Ra3 Ne7 15.0–0 Rf8 16.Re1=; 13.Qf3 d6 14.Bg8 Rg8 15.Qf6 Rf8 16.Qh4=) 13...ef4 14.Ng4 h5 15.Nf6 Nf6 16.Bf6+=; A6) 12...Qb6 13.0–0 (13.c3 Ne7 14.Nc4 Qc7 15.Qf3 Rf8 16.ab4=) 13...a4 14.Bd5 Bd5 15.Nd5 Qd6 16.f4=; B) 12.Qf3 B1) 12...d6 13.Nd5 (13.ab4 cb4 14.Nd5 Bc6 15.Ba4 Kf7 16.h4=; 13.0–0 a4 14.Be6 Nd7 15.Rfb1 Ne7 16.Bd7=; 13.Be6 Nd7 14.Nd5 ba3 15.Ba3 Ra7 16.Qd3=) 13...a4 14.Bc4 Ba6 15.Bd3 Bb7 16.ab4+=; B2) 12...a4 13.Bc4 (13.Ba2 Nc6 14.Bd5 Ra7 15.0–0 ba3 16.Ra3=) 13...d6 14.0–0 Ra7 15.Nd5 Nd7 16.Qd3=; C) 12.ab4 cb4 (12...ab4 13.Ra8 Ba8 14.Qf3 Qe7 15.Nc4 Nc6 16.0–0=) 13.d3 (13.Qf3= d6 14.Nd5 Bc6 15.Bc4 Nd7 16.0–0=) 13...Qc7 14.0–0 Nc6 15.f4 Qb6 16.Qd2=.

    6.Ne2 Bb7 7.Nbc3 Bc3 8.Nc3 b4 9.Nd5 a5 10.a3 c6 11.Ne3 Nh6 12.0–0 (12.ab4 c5 13.bc5 (13.ba5 Be4 14.Bc3 Nc6 15.d3 Bf5 16.Bd5+/–) 13...Be4+/– 14.0–0 Qc7 15.d4 Bc6 16.de5+–) 12...Nf7? (12...a4!? 13.Ba2 ba3 14.Ba3 d6= 15.Rb1 Ba6 16.d3+=) 13.f4 (13.ab4 ab4 14.Ra8 Ba8 15.Bf7 Kf7+–) 13...d6 (13...d5 14.ab4 ab4 15.fe5 Ne5 16.Ra8 Ba8 17.d4+/–) 14.fe5 (14.Bf7 Kf7 15.fe5 de5 16.Be5 Nd7 17.Bf6 Nf6+/–) 14...de5 (better is 14...Ne5!? 15.d4 Ned7+/–) 15.Ng4+– Nd7 16.d4 (16.Nf6 Nf6 17.Bf7 Kf7 18.Be5 Qb6 19.d4 Rhe8+–) 16...0–0?? (16...Ba6 17.de5 Nfe5 18.Nf6 Nf6 19.Qd8 Rd8 20.Rf6 a4+–) 17.de5+– fe5 (17...ba3 18.Ba3 a4 19.Bf7 Kf7 20.Nf6 Qb6 21.Kh1 Nf6 22.Bf8 Kg8+–) 18.Qd7!! (18.Qd7 Qd7 19.Nf6 Kg7 20.Nd7+–) 1–0. Springer – Merkl,M, corr, 1985.

    5.Bb5 Ba6

    6.Ba6 Na6 7.Qe2 Qc8 8.Nf3 Ne7 9.0–0 c6 10.c3 Ba5 11.Ba3 Bd8 12.d4 ed4 13.e5 0–0 14.cd4 (14.Nd4?! fe5 15.Qe5 c5=) 14...c5 15.Nc3 Bb6? (better is 15...cd4 16.Be7 Be7+/–) 16.ef6+– Nc6? (better is 16...Nf5 17.Nd5 Re8+–) 17.Qc4 Kh8 18.fg7 Kg7 19.dc5 Bc7 20.Rfe1 Bd8 (20...Rb8+–) 21.Ne4 Be7 (21...Nc7+–) 22.Bb2 Bf6 (22...Rf6 23.Nf6 Bf6 24.Qg4 Kf7 25.Ng5 Kg8 26.Ne4 Kf8 27.Nf6 Kf7 28.Qh5 Kf8 29.Nh7 Kg8 30.Qg6) 23.Nf6 1–0. pcmvr (2865) – dmendiola (2305), net–chess.com, 2011.

    6.Ba6 Na6 7.Qh5 g6 8.Qe2 Qc8 9.Nf3 Rb8 10.Ne5 Bd2 (10...fe5? 11.Be5 Nf6 12.Bf6+–) 11.Nd2 Rb2 12.Nec4 Rc2 13.Qd3 Nb4 14.Qb3 Rc4 15.Nc4 Nc6 16.0–0 Nge7 17.f4 Nd4 (better is 17...d6!?+–) 18.Qb2 Ne6 19.f5 Ng5? (19...Nd8 20.Qf6 Rf8+–) 20.Qf6 (20.Qf6 Nh3 21.Kh1+–) 1–0. pierred (2815) – dmendiola (2305), net–chess.com, 2011.

    5.Bb5 c6

    6.Ba4 Qa5 A) 7.c3 A1) 7...Be7 8.Nf3 (8.Bb3 Na6 9.Bg8 d5 10.ed5 cd5 11.Ba3=; 8.d3 Na6 9.Bb3 Rb8 10.Qg4 g6 11.Nd2+=; 8.Qg4 Qa4 9.Qg7 Ba6 10.d4 Qc2 11.Nd2–/+) 8...d5 9.d3 Bg4 10.Nbd2 de4 11.de4=; A2) 7...Bf8 8.Bb3 (8.d3 Na6 9.Nd2 Nc5 10.Bc2 Rb8 11.Nb3=; 8.Ne2 Ne7 9.d4 d5 10.Nd2 Ba6 11.de5=; 8.Nf3 d5 9.d3 Bg4 10.Bb3 Nd7 11.h3=; 8.Bc2 d5 9.ed5 cd5 10.Qh5 Kd8 11.Bh7=; 8.Qc2 Ne7 9.Nf3 d5 10.d3 Nd7 11.Bb3=; 8.Bc1 d5 9.d3 Ne7 10.Nf3 Bg4 11.Bb3=) 8...d5 9.ed5 cd5 10.d4 Nd7 11.de5+=; A3) 7...Bc5 8.Bb3 Ne7 9.Qh5 g6 10.Qf3 d6 11.Kd1+=; B) 7.Bb3 d5 8.Qh5 (8.Nc3 d4 9.Na4 Na6 10.c3 dc3 11.dc3=; 8.ed5 cd5 9.Qh5 g6 10.Qf3 e4 11.Qe3=; 8.a3 Bd6 9.Bc3 Qb5 10.ed5 cd5 11.Bb4=) 8...g6 9.Qf3 de4 10.Qe4 Ne7 11.Bc3+=.

    6.Ba4 Ba6 A) 7.Nc3 A1) 7...d6 8.Nd5 (8.Qg4 g6 9.Nf3 Bc8 10.Qg3 Ne7 11.0–0+=) 8...Qa5 9.Bb3 Bb7 10.Nb4 Qb4 11.Qg4+/–; A2) 7...Bc5 8.Bb3 (8.Qg4 Qe7 9.Rb1 Nh6 10.Qh5 Nf7 11.Nf3+=; 8.Qh5 g6 9.Qh4 d6 10.Bb3 Qe7 11.Nf3+=; 8.Rb1 Bc4 9.Nge2 Ne7 10.d3 Be6 11.d4+=; 8.Nh3 Ne7 9.Qh5 Ng6 10.Bb3 Qe7 11.Rb1+=) 8...d6 9.Rb1 Ne7 10.Qh5 Ng6 11.Na4+=; A3) 7...Bc4 8.Bb3 (8.Nge2 Ne7 9.Bb3 Bb3 10.ab3 d5 11.0–0+=; 8.Nf3 Ne7 9.Bb3 Bb3 10.ab3 d5 11.Qe2=; 8.Qg4 Qe7 9.Bb3 Nh6 10.Qg3 Bb3 11.ab3+=) 8...Bb3 9.ab3 d5 10.Qh5 g6 11.Qf3+=; A4) 7...Nh6 8.a3 (8.Bb3 Nf7 9.Rb1 0–0 10.a3 Bc5 11.Qf3+=) 8...Bc5 9.Bb3 Nf7 10.d3 0–0 11.Nf3+=; A5) 7...Ne7 8.Bb3 (8.Qh5 Ng6 9.Nf3 0–0 10.Bb3 Kh8 11.a3=; 8.Qg4 0–0 9.Bb3 Kh8 10.Nge2 Bc8 11.a3=; 8.a3 Bc3 9.Bc3 d5 10.Bb3 Ng6 11.d4=) 8...d5 9.Qg4 g6 10.ed5 Bc3 11.Bc3+=; A6) 7...Bc8 8.Bb3 (8.Rb1 Na6 9.Bb3 Rb8 10.Nge2 Nc5 11.Bg8+=; 8.Qg4 g6 9.Rb1 d5 10.Qe2 d4 11.Bc1=) 8...Qe7 9.a3 Bc5 10.Nf3 d6 11.d4+=; A7) 7...Bc3 8.Bc3 Ne7 9.Qh5 Ng6 10.Nf3 0–0 11.Bb4=; B) 7.Qf3 B1) 7...d6 8.Bb3 (8.Nc3 Ne7 9.Bb3 Nd7 10.Qg4 Ng6 11.a3=; 8.Qh5 g6 9.Qf3 Bc5 10.Nc3 Ne7 11.Bb3=; 8.Qg3 Qd7 9.Nf3 Nh6 10.Bc3 Bc3 11.Nc3=) 8...Bc5 9.Nc3 Nd7 10.Rb1 Ne7 11.Nge2+=; B2) 7...Bc5 8.Qg3 (8.Ne2 Ne7 9.Nbc3 d6 10.Bb3 Nd7 11.Ng3+=; 8.Bb3 d6 9.Nc3 Nd7 10.Nge2 Rb8 11.Rb1+=; 8.Nc3 Ne7 9.Nge2 d6 10.Rb1 Bc4 11.d3=) 8...g6 9.Bb3 d6 10.Nf3 Qa5 11.Bc3+=; B3) 7...Ne7 8.Nc3 (8.Bb3 d5 9.Qg4 g6 10.Qh4 Qb6 11.Nc3=) 8...d5 9.ed5 Bc3 10.Bc3 Qd5 11.d3=; C) 7.Qg4 g6 8.Bb3 Ne7 9.f4 d6 10.c3 Ba5 11.Ba3=; D) 7.Ne2 D1) 7...Bc5 8.Bb3 (8.0–0 Ne7 9.Bb3 d5 10.Re1 Qb6 11.d4=) 8...Ne7 9.Nbc3 d5 10.Ng3 f5 11.ef5+=; D2) 7...Ne7 8.c3 Ba5 9.Ba3 Ng6 10.0–0 Bb6 11.d3+=; D3) 7...Nh6 8.Bb3 (8.0–0 0–0 9.Bb3 Nf7 10.a3 Ba5 11.Nbc3+=; 8.c3 Ba5 9.d4 Nf7 10.0–0 ed4 11.cd4+=; 8.Nbc3 f5 9.Rb1 Qg5 10.Ng3 0–0 11.Bb3=) 8...d5 9.ed5 cd5 10.Nec3 d4 11.Qf3+/–; D4) 7...Qa5 8.Bb3 (8.Nec3 Ne7 9.Bb3 Ng6 10.d3 d6 11.0–0=; 8.c3 Be7 9.Ng3 d5 10.Nf5 Bd3 11.Bc2=) 8...d5 9.Ng3 Ne7 10.Qg4 0–0 11.ed5=; E) 7.Bb3 E1) 7...Bc5 8.Nc3 (8.Qg4 g6 9.Nf3 Qb6 10.Qg3 Ne7 11.d3+=; 8.Nh3 d6 9.Bg8 Rg8 10.Qh5 g6 11.Qh7+=) 8...d6 9.Rb1 Ne7 10.Qh5 g6 11.Qh6+/–; E2) 7...Ne7 8.Qh5 (8.c3 Ba5 9.Qg4 Ng6 10.Ne2 Qe7 11.Ng3+=; 8.Nh3 d5 9.Qh5 g6 10.Qf3 Qd6 11.a3=; 8.Qg4 Ng6 9.Nf3 d6 10.a3 Ba5 11.Qh5+=; 8.Qf3 d5 9.Qg4 g6 10.Qh4 Qb6 11.Nc3=) 8...g6 9.Qh4 g5 10.Qh5 Ng6 11.h4+=; E3) 7...d6 8.Bg8 Rg8 9.Qh5 Ke7 10.Qh7 Bc4 11.Ne2+=.

    6.Ba4 Na6 A) 7.Bb3 A1) 7...d6 8.c3 Ba5 9.Ba3 d5 10.ed5 cd5 11.f4=; A2) 7...d5 8.ed5 cd5 9.f4 ef4 10.Qh5 g6 11.Qd5=; A3) 7...Qe7 8.c3 (8.a3 Ba5 9.Qh5 g6 10.Qe2 Nc5 11.Bc4=; 8.Qh5 g6 9.Qf3 d6 10.Ne2 Nc5 11.0–0=) 8...Bc5 9.Nf3 Nc7 10.0–0 Ba6 11.d3=; A4) 7...Rb8 8.c3 Be7 9.d4 ed4 10.cd4 d5 11.Qf3=; B) 7.c3 B1) 7...Be7 8.d4 (8.Bc1 Nc5 9.d4 ed4 10.Qd4 Ba6 11.Bc2+=) 8...Rb8 9.Bb3 ed4 10.cd4 d5 11.ed5=; B2) 7...Bd6 8.d4 (8.Bc1 Rb8 9.Nf3 Nc5 10.Bc2 Ba6 11.d4=) 8...Rb8 9.Bb3 ed4 10.cd4 Ne7 11.Nf3=; B3) 7...Ba5 8.Ba3 (8.Qg4 g6 9.Ba3 Bb6 10.Qh4 Nc5 11.Bc2=) 8...Qc7 9.Nf3 Rb8 10.d4 c5 11.0–0+=; B4) 7...Bf8 8.d4 Rb8 9.Bc1 ed4 10.cd4 Bb4 11.Bd2=.

    6.Ba4 Bc5 A) 7.Bb3 A1) 7...d5 8.Nc3 (8.d4 ed4 9.ed5 Ne7 10.Ne2 Bb4 11.c3=; 8.ed5 cd5 9.Nc3 Be6 10.Qh5 Kf8 11.Rb1=) 8...d4 9.Na4 Bd6 10.Rb1 f5 11.Bg8+=; A2) 7...Ne7 8.Nc3 (8.Qh5 g6 9.Qf3 Rf8 10.Ne2 d5 11.Nbc3=; 8.Nf3 d5 9.d4 Bb4 10.c3 Bd6 11.de5+=) 8...Na6 9.Qh5 g6 10.Qh4 d5 11.Qf6+=; A3) 7...Qb6 8.Qh5 g6 9.Qf3 a5 10.Be5 Bf2 11.Qf2=; B) 7.Ba3 Na6 (7...Ba3 8.Na3 Qa5 9.c3 d5 10.ed5 Qd5 11.Qf3=) 8.Qh5 (8.Bc5 Nc5 9.Nc3 Na4 10.Na4 d5 11.Qh5+=) 8...g6 9.Qf3 Rb8 10.Bb3 d6 11.Bc5=; C) 7.Qh5 g6 8.Qh4 (8.Qf3 d6 9.Nc3 Nh6 10.Rb1 Be6 11.Bb3=) 8...Na6 9.Bb3 Rb8 10.Nf3 d6 11.d4+=.

    6.Ba4 d5 A) 7.Qh5 g6 8.Qe2 (8.Qf3 Be6 9.Ne2 Qa5 10.Nec3 d4 11.Bb3+=; 8.Qh4 Be6 9.Bb3 Be7 10.d4 Nd7 11.Qg3=) 8...Ne7 9.Bb3 0–0 10.Nf3 Nd7 11.a3=; B) 7.a3 Bc5 8.Nc3 Qb6 9.Rb1 Bf2 10.Kf1 Bg1 11.Rg1–/+; C) 7.ed5 Qd5 8.f3= Qa5 9.Bb3 Ne7 10.Ne2 Nd5 11.0–0=.

    6.Ba4 d6 A) 7.c3 Ba5 8.Bb3 (8.Nf3 f5 9.ef5 Bf5 10.0–0 Nf6 11.Bb3=; 8.Ne2 Ne7 9.d4 0–0 10.Bb3 Kh8 11.Ba3=) 8...Na6 9.Ba3 d5 10.ed5 cd5 11.f4=; B) 7.Nf3 B1) 7...f5 8.ef5 (8.c3 Bc5 9.d4 ed4 10.Nd4 Qb6 11.Qe2+=; 8.a3 Bc5 9.d4 Qa5 10.c3 ed4 11.Nd4=; 8.Qe2 Qa5 9.Bb3 Ba6 10.c4 fe4 11.Qe4=) 8...Bf5 9.0–0 Qf6 10.a3 Ba5 11.d4=; B2) 7...Bg4 8.h3 (8.c3 Ba5 9.0–0 d5 10.Re1 Ne7 11.Ba3=; 8.Nc3 Ne7 9.h3 Bh5 10.a3 Bc3 11.Bc3=; 8.a3 Bc5 9.0–0 Ne7 10.h3 Bh5 11.Nc3=; 8.0–0 d5 9.Qe2 Ne7 10.Bb3 Nd7 11.d4=) 8...Bh5 9.c3 Ba5 10.0–0 f5 11.ef5+=; B3) 7...d5 8.c3 Bc5 9.d4 ed4 10.Nd4 Bd4 11.cd4=; C) 7.Bb3 C1) 7...d5 8.ed5 cd5 9.f4 Nc6 10.Ba4 Bd7 11.Bc6+=; C2) 7...Ne7 8.Qh5 (8.c3 Ba5 9.Qh5 g6 10.Qh6 Na6 11.Qg7=) 8...g6 9.Qh4 Nd7 10.c3 Ba5 11.Ba3=; C3) 7...Qe7 8.Ne2 (8.a3 Bc5 9.Nc3 f5 10.Nf3 Nf6 11.ef5=; 8.Nf3 Na6 9.Qe2 Rb8 10.Bg8 Rg8 11.Bc3+=; 8.Nc3 Na6 9.Qh5 g6 10.Qf3 Rb8 11.Nge2=; 8.Qh5 g6 9.Qe2 Bc5 10.Nf3 Nd7 11.d4+=; 8.Qe2 Bc5 9.Nf3 Bg4 10.h3 Bh5 11.0–0=) 8...Na6 9.0–0 Rb8 10.d4 Bg4 11.h3+=; C4) 7...Na6 8.c3 Ba5 9.Bg8 Rg8 10.Qh5 Ke7 11.Ba3=; D) 7.Bc3 D1) 7...Ba5 8.Bb3 (8.Ba5 Qa5 9.Nc3 Ne7 10.Qh5 Ng6 11.Bb3=; 8.Nf3 Ne7 9.0–0 f5 10.ef5 Bf5 11.Bb3=; 8.Qh5 g6 9.Qf3 Bb6 10.Ne2 Nh6 11.0–0=; 8.Ne2 Ne7 9.0–0 Nd7 10.d4 Rb8 11.Bb3=) 8...d5 9.Ba5 Qa5 10.Qh5 g6 11.Qf3+=; D2) 7...Bc5 8.Ne2 (8.Nf3 Bg4 9.h3 Bh5 10.0–0 Ne7 11.g4=; 8.d4 ed4 9.Bd4 Bd4 10.Qd4 Ne7 11.Nc3=) 8...Ba6 9.Bb3 Ne7 10.Ng3 Qb6 11.Qf3+=; E) 7.Ne2 E1) 7...f5 8.ef5 (8.a3 Bc5 9.d4 Qa5 10.Qd2 Qa4 11.dc5+=; 8.c3 Ba5 9.ef5 Bf5 10.d4 Nf6 11.de5=) 8...Bf5 9.Ng3 Be6 10.f4 Nh6 11.fe5+=; E2) 7...Ne7 8.a3 (8.c3 Ba5 9.d4 0–0 10.Bb3 Kh8 11.Ba3=; 8.0–0 Nd7 9.c3 Ba5 10.d4 Ba6 11.Nd2=) 8...Bc5 9.Bb3 d5 10.d4 Bd6 11.Nbc3+=; E3) 7...Bc5 8.Bb3 (8.d4 Qa5 9.c3 ed4 10.Nd4 Ne7 11.0–0+=; 8.0–0 Bg4 9.Bb3 Ne7 10.Kh1 Na6 11.f3+=) 8...f5 9.ef5 Bf5 10.0–0 Bg4 11.d4+=; E4) 7...Be6 8.a3 (8.0–0 Ne7 9.a3 Ba5 10.d4 Nd7 11.Bb3+=; 8.c3 Ba5 9.d4 d5 10.Bb3 Ne7 11.0–0=) 8...Ba5 9.0–0 Ne7 10.d4 Nd7 11.Bb3+=; E5) 7...Qb6 8.Bb3 (8.0–0 Bg4 9.Bb3 Nd7 10.h3 Bh5 11.c3=) 8...f5 9.ef5 Bf5 10.a3 Ba5 11.Ng3+=; E6) 7...Nh6 8.0–0 (8.a3 Ba5 9.0–0 0–0 10.Bb3 Nf7 11.d4=; 8.c3 Ba5 9.d4 0–0 10.Bb3 Kh8 11.Ba3=) 8...f5 9.a3 Ba5 10.ef5 Nf5 11.d4+=; E7) 7...Bg4 8.0–0 (8.c3 Ba5 9.0–0 Ne7 10.d4 Bb6 11.Bb3=; 8.h3 Bh5 9.c3 Ba5 10.0–0 Ne7 11.d4=; 8.f3 Be6 9.c3 Ba5 10.d4 d5 11.0–0=) 8...Bc5 9.Bb3 Ne7 10.Kh1 Na6 11.f3+=.

    6.Ba4 Ne7 7.a3 Bc5 8.Qh5 (8.Bb3 d5 9.d4 ed4 10.Bd4 Bd4 11.Qd4+=) 8...Ng6 9.Bb3 Qb6 10.Qf3 a5 11.Bc1=.

    6.Ba4 Ne7 7.c3 Ba5 (7...Bc5 8.d4 Bb6 9.Nf3 0–0 10.Ba3 ed4 11.Bb3=) 8.Qh5 (8.Qg4 0–0 9.Bb3 d5 10.Qg3 Na6 11.Ba3+=) 8...Ng6 (8...g6 9.Qh4 d5 10.Qf6 Rf8 11.Qe5=) 9.Bb3 (9.Nf3 0–0 10.g3 d5 11.Bb3+=) 9...d5 10.ed5 (10.Bc2 Bb6 11.ed5=) 10...cd5 11.Ba3 (11.Bc2=) 11...Be6 12.Nf3 (12.Ne2 Bb6=) 12...Nc6 (12...Qd7 13.h3+=) 13.Nh4= Nce7 (13...Kf7 14.Bc2=) 14.Be7 Ke7 15.Ng6 hg6 16.Qg6 Qg8 17.Na3 (17.Qg3 Bb6=) 17...Rc8 (17...Qh7 18.Qg3=) 18.f3 (18.Qg3 Bb6=) 18...Bb6 19.h4 Rh6 20.Qd3 Qh7 21.Qh7 Rh7 22.Bc2 Rh6 23.h5 (better is 23.Rb1!?+=) 23...Rch8 24.g4 g6! 25.0–0–0 (25.Bg6 Rg6; 25.hg6 Rh1) 25...gh5 26.gh5 Rh5 27.Rh5 Rh5 28.d4 (28.Bb3 Rh3 29.f4 ef4–+) 28...Bh3 ½–½. Suess,Stefan – Klein, corr, 1985.

    6.Ba4 Ne7 7.Ne2 Na6 (7...d5 A) 8.Bb3 A1) 8...de4 9.Ng3 Nd5 10.0–0 Be6 11.Qh5 g6 12.Qh4=; A2) 8...Bg4 9.f3 (9.a3 Bd6 10.Nbc3 d4 11.Na4 c5 12.0–0=) 9...Be6 10.0–0 0–0 11.f4 Qd6 12.fe5=; A3) 8...Bd6 9.Nbc3 (9.Ng3 0–0 10.0–0 Be6 11.d4 Qd7 12.Re1=; 9.Nec3 d4 10.Na4 Ng6 11.Na3 Nf4 12.g3=; 9.d3 Na6 10.0–0 Rb8 11.Nd2 0–0 12.Re1+=) 9...d4 10.Na4 Nd7 11.c3 dc3 12.dc3=; A4) 8...Nd7 9.a3 (9.ed5 cd5 10.0–0 Rb8 11.Nbc3 Nb6 12.a3+=; 9.Nbc3 Nc5 10.Ng3 Bc3 11.Bc3 Ne4 12.Ne4=; 9.Nec3 d4 10.Na4 Nb6 11.Qh5 g6 12.Qf3=; 9.Ng3 Nc5 10.Qh5 Ng6 11.a3 Ba5 12.ed5+=; 9.c3 Bd6 10.d4 de4 11.Nd2 f5 12.Nc4+=; 9.Bc3 Rb8 10.Bb4 Rb4 11.Nbc3 Nc5 12.ed5=; 9.f4 de4 10.Nec3 e3 11.de3 Qb6 12.Bc1+=) 9...Bd6 10.d4 Rb8 11.Nbc3 Ba6 12.ed5=; A5) 8...Na6 9.f4 Nc5 10.fe5 Ne4 11.ef6 Nf6 12.Bf6=; B) 8.ed5 Nd5 9.0–0= 0–0 10.d4 Qc7 11.a3 Be7 12.Bb3=; C) 8.a3 Bd6 9.ed5 (9.Nbc3 d4 10.Nd5 Nd5 11.ed5 Qa5 12.c4–/+; 9.Bb3 de4 10.Ng3 f5 11.0–0 Nd7 12.Nh5+=; 9.Ng3 0–0 10.0–0 f5 11.ed5 cd5 12.Qf3+=; 9.0–0 de4 10.Nbc3 f5 11.d3 ed3 12.Qd3+=; 9.Nec3 d4 10.Na2 Nd7 11.Qg4 Rb8 12.Bc1–/+) 9...Nd5 10.0–0 0–0 11.Nbc3 Be6 12.Re1=; D) 8.Nbc3 d4 9.Nb1 Na6 10.c3 Nc5 11.0–0 dc3 12.Bc3+=; E) 8.Ng3 0–0 9.0–0 (9.Bb3 Be6 10.0–0 Nd7 11.d4 Qc7 12.a3=; 9.a3 Bd6 10.0–0 f5 11.ed5 cd5 12.Qf3+=) 9...Nd7 10.Bb3 f5 11.ed5 cd5 12.Qf3=) 8.c3 Nc5 (8...Bd6 9.d4 (9.0–0 Rb8 10.Bb3 Nc5 11.d3 Ba6 12.Ba3=; 9.Bc1 f5 10.Ng3 0–0 11.Nf5 Nf5 12.Bb3=) 9...ed4 10.cd4 Rb8 11.Bb3 Bb4 12.Nbc3=; 8...Ba5 9.Ba3 (9.d4 Rb8 10.Ba3 Bb7 11.Ng3 ed4 12.Be7=) 9...c5 10.0–0 Rb8 11.d4 Qc7 12.Qd3+=; 8...Bc5 9.d4 Rb8 10.Bb3 ed4 11.cd4 Bb4 12.Nbc3=) 9.d4 (worse is 9.cb4 Nd3 10.Kf1 Nb2–/+ 11.Qc2 Na4 12.Qa4–/+) 9...Na4 10.Qa4 Ba5 11.0–0 (11.Ba3 Bc7 12.Nd2=) 11...Qb6 (11...d6 12.Ba3=) 12.Ba3 Ba6 13.Re1 Bb5 (13...Qb5 14.Qb3=) 14.Qd1+= Bc4 15.Ng3 Be6 (15...ed4!? 16.e5 A) 16...dc3? 17.ef6 0–0 A1) 18.Be7 c2 19.Qc2 Be1 20.Qc4 Rf7+=; A2) 18.fe7? Qf2 19.Kh1 c2 20.ef8R Rf8 21.Bf8 cd1Q (worse is 21...cd1R 22.Rd1 Bd5 23.Rg1 Qf8 24.a4–+; worse is 21...cd1N 22.Rd1 Bd5 23.Rg1 Qf8 24.a4–+) 22.Rd1 Bd5–+ (22...Kf8?! 23.Na3 Bf7 24.Rf1–+; 22...Qf8?! 23.Nd2 Bd5 24.Rf1–+); A3) 18.Re7 Rf6 19.Ne4+–; B) 16...Bc3? 17.Nc3 dc3 18.ef6+–; C) 16...Be6 17.ef6 gf6 18.Be7 Ke7 19.Nf5 Kd8 20.Nd4 Bd5=) 16.de5+/– fe5 17.Nf5! Rg8?? (17...Bf5 18.Qh5; 17...Nf5 18.Qh5) 18.Ne7+– (18.Ne7 Rf8 19.Nf5 Bf5 20.Bf8 (worse is 20.ef5 Rf5 21.Qd2 Qd8+–) 20...Kf8 21.ef5+–; 18.Be7?! Bf5 19.ef5 Ke7 20.Re5 Kd8+–) 1–0. Koser – Vettenburg, corr SOK–96–117, 1996.

    6.Ba4 Ne7 7.Qh5 White gets the initiative 7...Ng6 8.c3 Ba5 (8...Bc5 9.d4 Qb6 10.Bb3 ed4 11.Qf5+=) 9.Bb3 d5 10.ed5 cd5 11.Ba3 (11.Bc2 e4=) 11...Be6 12.Nf3 Bf7 13.0–0 Ne7 (13...Qd7 14.Bc2=) 14.Qh4 0–0 (better is 14...Bb6=) 15.Ne5!+– g5 (15...fe5 16.Be7 Theme: Double Attack) 16.Nf7 Rf7 (16...gh4?? 17.Nd8 Rd8 18.Be7+–) 17.Qg4 Ng6 18.f4 (18.Qf3 Nf4+–) 18...Nc6 (18...Bb6 19.d4 Nc6 20.fg5 Nge5+–) 19.fg5 fg5 20.Rf7 Kf7 21.Qf5 Kg7 22.Bd5 Qb6? (22...Rc8+–) 23.Kh1 Rc8 (23...Qa6 24.Bc6 Qc6 25.Qa5 Kh6+–) 24.Qc8 Qf2 (24...Nce7 25.Be7 Ne7 26.Qd7+–) 25.Bf8 (25.Bf8 Nf8 26.Na3+–; 25.Qg8 Kh6 26.Bf8 Nf8 27.Na3+–) 1–0. Apel – Merkl, corr SOK–91–70, 1991.

    6.Ba4 Ne7 7.Qh5 Ng6 8.Nc3 Na6 9.Nge2 Nc5 10.Bb3 d5 11.ed5=.

    6.Bd3 Na6 7.Qg4 g6 8.Qf3 Rb8 9.Nc3 Be7 10.Rb1 Nb4 11.Nge2 d5 12.0–0 Kf7 13.Ba3 Be6 14.Bb4 Rb4 15.ed5 cd5 16.Bb5 Rb1 17.Rb1 d4 18.Ne4 Kg7 19.c3 Bd5 20.Qd3 (worse is 20.cd4 A) worse is 20...Ba2 21.Ra1 Bd5 A1) worse is 22.Ra7 Qb6 23.Qa3 Be4–/+ (23...Qb5 24.N2c3 Qd3 25.Re7 Kh6 26.Re5 fe5 27.Qf8 Kh5 28.Ng3 Kg4 29.Nd5+–); A2) 22.Qe3+/–; B) 20...f5 21.d3 ed4 22.Nd4 fe4 23.de4 Ba2–/+) 20...f5 21.N4g3 dc3 22.Nc3 Nf6 23.Qe3 Qc7 24.Re1 Bf7 (24...e4!?+=) 25.Qe5+= Bd6 26.Qe2 Bc5 27.Nf1 a6 28.Ba6 Re8 29.Qd1 Bf2 30.Kf2 Qb6 31.Ne3 Qa6 32.g3 Qb6 33.Kg2 h5 34.Qf3 Ne4 35.Ne4 Re4 36.Qd1 Kh7 37.Qc2 Qd6 Black prepares f4 38.Rb1 Rd4 39.Rb2 f4 40.gf4 Bd5 41.Kg1 Qf4 42.Qc3 (42.Nd5 Rd5 43.h4 Qg4 44.Kf1 Rf5 45.Qf5 Qf5 46.Kg2 Qg4 47.Kf1 Qh4–+) 42...Qg5 43.Kf2 Qh4 44.Ke2 Qh2 45.Ke1 Qh1 46.Kf2 Rf4 47.Ke2 Bc4 (47...Bc4 48.Qc4 Qf3 49.Kd3 Rc4 50.Kc4 g5–+) 0–1. pierred (2815) – asoka (2845), net–chess.com, 2011.

    6.Bd3 Ne7 7.Qh5 g6 8.Qh6 Qb6 9.Nc3 d5 10.Na4 Qa5 11.Nc3 Nd7 12.Nf3 Nc5 13.Qg7 Rf8 14.ed5 Nd3 15.cd3 Nd5 16.Qh7 Nf4 17.0–0 Bg4 18.Nh4 g5 19.Ng6 Bf5 20.Qb7 Rc8 ½–½. pcmvr (2865) – asoka (2845), net–chess.com, 2011.

    6.Bd3 Ne7 7.Qh5 g6 8.Qh6 Kf7 9.f4 Qb6 10.fe5 Bd2 11.Kd2 (11.Qd2 Qb2 12.Bc4 d5 13.ed6 Be6 14.Be6 Ke6=) 11...Qb2 12.ef6 Kf6 13.Nh3 Qa1 14.Rf1 Ke6 15.Ng5 Kd6 16.Nf7 Kc7 17.Nc3 Qb2 (17...Qf1 18.Bf1 Rg8 19.Qf4 Kb6 20.Qd6+–) 18.Qf4 (18.Qf4 d6 19.Qd6 Kb7 20.Qe7 Nd7 21.Nh8+–) 1–0. pcmvr (2865) – dmendiola (2305), net–chess.com, 2011.

    6.Bd3 Nh6 7.Nc3 Na6 8.a3 Bc3 9.Bc3 Nc5 10.Nf3 d5 11.Qe2 Nd3 12.Qd3 a5 13.ed5 Qd6 14.dc6 Qc6 15.Nh4 g5 16.Qf3 e4 17.Qh5 Nf7 18.0–0 0–0 19.Rfe1 Nh8 20.Rab1 Ra6 21.f3 gh4 22.Re4 Attacking the isolated pawn on a5 22...Ng6 23.Rbe1 (23.Ba5?? f5 24.Bb4 fe4 25.Bf8 Kf8 26.fe4 Qc2 (26...Ra3?! 27.Qh7 Ra4 28.Rf1 Ke8 29.Qg8 Kd7 30.d3–+) 27.Rf1 Kg7–+) 23...h3 24.gh3 f5 25.Rd4 Re8 26.Rd1 Qc7 27.Qg5 Rae6 28.h4 Re2 (28...Re2 29.Qg3 f4–+) 0–1. pierred (2815) – asoka (2845), net–chess.com, 2011.

    6.Be2 d5 7.Bh5 g6 8.Bf3 Na6 9.Nc3 Ne7 10.Nge2 f5 11.ed5 e4 12.Be4 fe4 13.Ne4 0–0 14.Nf6 Rf6 15.Bf6 cd5 16.0–0 Qd6 17.Be7 Qe7 18.Re1 Bd6 19.Nc3 Qg5 20.Qf3 Nc7 21.Rab1 Ba6 22.Qe3 Qh4 23.Qh3 Qf6 24.Re3 Bc5 25.Qf3 (better is 25.Rf3!? Qe7 26.Qh6+=) 25...Qg5 26.h4 Qh4 27.Qg3 (27.Nd5 Rf8 (27...Be3? 28.Nc7 Bf2 29.Qf2 Qf2 30.Kf2 Rf8 31.Kg3+–) 28.Nc7 Rf3 29.Rf3 Qc4 30.Na6 Qa6–/+) 27...Qg3 28.Rg3 Kg7 (better is 28...Rf8!? 29.Nd1 Be2–+) 29.Na4 Bd6 30.Rgb3 Ne6 31.Re3 Nd4 32.c3 Ne2 33.Kh1 Rf8 34.Re6 Bd3 (34...Bd3 35.Rb7 Kh6 36.Rd6 Rf4–+) 0–1. pierred (2815) – pcmvr (2865), net–chess.com, 2011.

    6.Be2 d5 7.Bh5 g6 8.Bf3 Ne7 9.Ne2 0–0 10.0–0 Nd7 11.a3 Bd6 12.Nbc3 Rb8 13.Rb1 f5 14.d3 Nf6 15.Ba1 Rb1 16.Qb1 fe4 17.de4 Ba6 18.Rd1 de4 (18...Ba3?! 19.Qa2 Be2 20.Ne2=) 19.Qb3 Rf7 20.Be4 Be2 21.Ne2 Ne4 22.Qb4 Qb6 (worse is 22...Bb4 23.Rd8 Rf8 24.Rf8 Kf8 25.ab4+=; 22...Rf2?! 23.Qe4 Rf5 24.g4 Bc5 25.Bd4 Bd4 26.Nd4–/+; 22...Nf2?! 23.Qd6 Qd6 24.Rd6–/+) 23.Qe4 Qf2 24.Kh1 Nf5 (24...Ba3?? 25.Qe5 Rf6 26.Qf6 Qf6 27.Bf6+–) 25.Qd3 Ne3 26.Rg1 Bc7 27.Bc3 Nf1 28.Qc4 Qf5 29.Qc6 Nh2 (29...Nh2 30.Ng3 Qg4 31.Be5 Be5 32.Qe8 Rf8 33.Qe5 Nf3–+; 29...Qc2?! 30.Qe8 Kg7 31.Nd4=) 0–1. pierred (2815) – pcmvr (2865), net–chess.com, 2011.

    6.Bc4 d5

    7.Bb3 Ne7 8.Qh5 g6 9.Qh4 Qd6 10.c3 Ba5 11.Ba3 c5 12.ed5 Nd5 13.Nf3 Be6 14.0–0 0–0 15.d4 ed4 16.cd4 Qd7 (16...Nd7 17.Nbd2 g5 18.dc5+–) 17.Nbd2 g5 18.Qh6 Nc6 (18...Bb4 19.Bb4 cb4+/–) 19.Bc5 (19.dc5?! g4 20.Nh4 Bc3+/–) 19...g4 20.Nh4 Bc3 21.Rad1 f5 22.Bf8 Rf8 23.Rfe1 Nd4 24.Qg5 Kh8 25.Bd5 Qd5 26.Qe3 Rc8 27.Rc1 f4 28.Qf4 Kg7 29.h3! 1–0. asoka (2845) – pierred (2815), net–chess.com, 2011.

    7.Bb3 Ne7 8.Qh5 g6 9.Qh6 Na6 10.Qg7 Rf8 11.ed5 cd5 12.Nf3 Nc5 13.Qh7 Ba6 14.Nh4 Rf7 15.Qh6 g5 (15...Nb3 16.ab3 Qc8 17.Ng6+/–) 16.Ng6 Bd3 17.cd3 (better is 17.Nh8!? Rh7 18.Qf6 Nb3 19.ab3 (19.cb3?! Qc8 20.Nc3 Qg4 21.Qe5 Rh6=) 19...Bc2 20.Be5 (worse is 20.Qe5 Qb8+=) 20...Bb3 21.Qg5+/–) 17...Nd3+= 18.Kf1 Nb2 19.Nc3 Ng6 20.Qg6 Nc4 21.Rd1 Kf8 22.h4 g4 23.h5 Rg7 24.Qb1 Rc8 25.h6 Rg8 26.Qf5 Rc6 27.Nd5! Qd5 28.d3 Qd8 29.Qe4 (29.Qe4 Nd2 30.Rd2 Bd2 31.Qh7+– (31.Qc6?! Rh8 32.Qc4 Qe8+–)) 1–0. pcmvr (2865) – pierred (2815), net–chess.com, 2011.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.a3 A) 10...Bc5 A1) 11.d4 Bd4 (11...ed4 12.Nf3 Nc6 13.Bd5 Nce5 14.Bc6 Bd7+=) 12.Bd4 ed4 13.Nf3 Nc6 14.Nh4 Qa5=; A2) 11.Ne2 Be6 12.d4 Bd6 13.de5 Be5 14.Nd4 Bf7=; B) 10...Ba5 B1) 11.Ne2 Nc6 (11...0–0 12.Nbc3 Be6 13.f4 Bf7 14.Qf3 e4=; 11...Be6 12.Nbc3 Nc6 13.0–0 0–0 14.Rfe1 Rb8+=) 12.Nbc3 d4 13.Ne4 d3 14.N2g3 Rb8+=; B2) 11.Nc3 Be6 (11...d4 12.Ne4 Bb7 13.Qf5 Qb6 14.Nh3 Nd7=) 12.Nge2 Nc6 13.0–0 0–0 14.Qf3 Nge7=.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.c3 A) 10...Bc5 11.d4 Bb6 (11...Be7 12.Bc2 0–0 13.Bg6 hg6 14.Qg6 Qb6=) 12.Bc2 0–0 13.Bg6 hg6 14.Qg6 Qe8+=; B) 10...Be7= 11.Bc2 e4 (11...Kf7 12.Nf3 Nc6 13.Nh4 e4 14.f4 Kg8=; 11...f5 12.Bf5 Bf5 13.Qf5 Qd7 14.Qh5 Na6=) 12.c4 Qb6 13.Qd5 Qb2 14.Qa8 f5+=.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.Nc3 A) 10...d4 A1) 11.Nd5 Bb7 12.Qf3 Bc6 13.Ne2 Nd7 14.c3 Bf8+=; A2) 11.Nce2 Nc6 (11...Bb7 12.Nf3 d3 13.Nc3 Bc3 14.Bc3 Nc6=) 12.c3 dc3 13.dc3 Bc5 14.Ng3 Na5=; A3) 11.Ne4 Bb7 12.f3 Nc6 13.Ne2 d3 14.cd3 Qd3=; B) 10...Be6 B1) 11.Rb1 Nc6 (11...0–0 12.Nge2 Nc6 13.a3 Bc5 14.0–0 Rb8=) 12.Nge2 0–0 13.a3 Bc5 14.0–0 Na5=; B2) 11.Qf3 Bc3 (11...Ne7 12.Qh5 g6 13.Qf3 0–0 14.Nge2 Nbc6=; 11...Nf4 12.g3 Bc3 13.dc3 Ng6 14.Rd1 e4=) 12.Bc3 0–0 13.Rb1 Nc6 14.Ne2 a5+=; B3) 11.a3 Bc3 (11...Bc5 12.Rb1 0–0 13.Nge2 Nc6 14.0–0 Rb8=) 12.Bc3 Qd7 13.Qf3 0–0 14.Rb1 Nc6+=; B4) 11.Nge2 Nc6 12.Qf3 Bc3 13.Bc3 Rb8 14.0–0 0–0=.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.c4 0–0 11.cd5 (11.Ne2 Na6 (11...Be6 12.cd5 Bf7 13.Qf3 Nd7 14.Nbc3 Nc5=; 11...Bb7 12.cd5 Nd7 13.Nbc3 Nb6 14.Rd1 Rc8=; 11...Re8 12.cd5 Bd6 13.0–0 e4 14.Bd4 Ne5=; 11...Ne7 12.cd5 Bd6 13.d4 e4 14.Nbc3 Nf5+=) 12.cd5 Nc5 13.Bc4 Rb8 14.Bc3 Ba6=) 11...Nd7 (11...Nf4 12.Qf3 Bd6 13.Bc2+= Na6 14.Nc3 Nb4–/+; 11...Na6 12.Ne2 Nc5 13.Bc4 Rb8 14.Bc3 Ba6=; 11...Bd6 12.Ne2 Na6 13.0–0 Nb4 14.Ba3 Rb8=; 11...Bb7 12.Ne2 Nd7 13.Nbc3 Nc5 14.Bc4 e4=; 11...Re8 12.Ne2 Nf4 13.d6 Kh8 14.Nf4 ef4=) 12.Ne2= Nc5 13.Bc4 Qd6 (13...Rb8 14.Bc3 Ba6=) 14.0–0 (14.a3 Na4=) 14...Ne4 (14...Rb8 15.Rc1=; 14...Na4=) 15.d3+= Ng5 (15...Nc5 16.a3 Na4 17.ab4 Nb2 18.Nbc3 Nc4 19.dc4 Qb4 20.Ra4+=) 16.Nbc3+/–. Eglitis,Imants R – Deliks, corr, 1970.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.c4 Bb7 A) 11.Bc2 dc4 (11...Kf7 12.cd5 Bd5 13.Nf3 Nc6 14.Nc3 Bc3=) 12.Bg6 Ke7 13.Nf3 hg6 14.Qg6 Kf8–/+; B) 11.Qf3 e4 12.Qh5 dc4 13.Qb5 Qd7 14.Bc4 Qb5–/+; C) 11.a3 dc4 12.Bc2 Bg2 13.Bg6 Ke7 14.Qg4 Bh1+=; D) 11.cd5 Bd5 12.Bc2 Kf7 13.Nf3 Kg8 14.Bg6 hg6=.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.c4 dc4 11.Bc4 (11.Qf3 cb3 12.Qa8 Nf4 13.Qa7 Qd3 14.f3 Nd7–+) 11...Qb6 (11...Nd7 12.Nf3 Rb8 13.0–0 Bc5 14.Bc3 Bb7=; 11...Ba6 12.Be2 Qb6 13.Bc3 0–0 14.Nh3 Rd8+=; 11...Qc7 12.Bd3 Qf7 13.Be4 Bb7 14.Qf3 Nh4=) 12.Bd3+= 0–0 13.Bg6 hg6 14.Qe2 Ba6+=.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.c4 Be6 11.cd5 Bd5 12.Bc2 Kf7 13.Nf3 Kg8 14.Bg6 hg6=.

    7.Bb3 Ne7 8.Qh5 Ng6 9.ed5 cd5 10.Ne2 A) 10...Nc6 A1) 11.Nbc3 Be6 12.Qf3 Nge7 13.0–0 Rb8 14.Rfe1 0–0=; A2) 11.a3 Ba5 12.Nbc3 d4 13.Ne4 d3 14.N2g3 Rb8+=; A3) 11.Qf3 Be6 (11...e4 12.Qh5 Nce5 13.Be5 fe5 14.Nec3 Be6=) 12.Nbc3 Nge7 13.a3 Bc5 14.0–0 Rb8+=; A4) 11.0–0 0–0 (11...Rb8 12.a3 Be7 13.Nbc3 d4 14.Nd5 d3=; 11...Be6 12.Nbc3 Rb8 13.Rab1 0–0 14.Qf3 Nge7+=) 12.a3 Bc5 13.Nbc3 Be6 14.Qf3 Rb8+=; A5) 11.c3 Bc5 12.f4 0–0 13.Ba3 Ba3 14.Na3 Ba6+=; A6) 11.Ba4 Qc7 (11...Qd7 12.Nbc3 Rb8 13.Rb1 d4 14.Ne4 Rb6+=) 12.Nbc3 Be6 13.f4 Bf7 14.Qg4 0–0+=; A7) 11.f4 0–0 12.Nbc3 Bc3 13.Bc3 a5 14.a4 Kh8=; B) 10...Be6 B1) 11.Nbc3 Nc6 (11...0–0 12.0–0 Nc6 13.Qf3 Bc3 14.Bc3 Rb8+=; 11...Qd6 12.f4 Bf7 13.Qf3 Bc3 14.Bc3 Nc6=; 11...Qd7 12.Qf3 Ne7 13.a3 Bc5 14.d4 Bd4=) 12.Qf3 Nge7 13.a3 Bc5 14.0–0 Rb8+=; B2) 11.0–0 Qd7 (11...Nc6 12.Nbc3 Rb8 13.Rab1 Qd7 14.Qf3 d4+=) 12.Qf3 0–0 13.Nbc3 Rd8 14.Rab1 Nc6+=; B3) 11.Ba4 Nd7 (11...Bd7 12.Bb3 Bc6 13.f4 0–0 14.fe5 fe5=) 12.f4 Bf7 13.Qg4 ef4 14.0–0 Qb6=; B4) 11.Qf3 0–0 (11...Nc6 12.Nbc3 Bc3 13.Bc3 0–0 14.0–0 Rb8=) 12.0–0 Na6 13.Nbc3 Nc7 14.a3 Bc5+=; B5) 11.a3 Ba5 (11...Qd7 12.ab4 Bg4 13.Qg4 Qg4 14.Bd5 Qe2+/–; 11...Bf8 12.Nbc3 Nc6 13.0–0 Rb8 14.Rfe1 Qd7=; 11...Be7 12.Nbc3 Na6 13.f4 Qc8 14.Qf3 Nc7=; 11...Bd6 12.Nbc3 Bc7 13.f4 Bf7 14.Qf3 Ne7=) 12.Nbc3 Nc6 13.0–0 0–0 14.Qf3 Rb8=; C) 10...0–0 11.a3 Ba5 (11...Be7 12.f4 Bb7 13.fe5 fe5 14.Be5 Ne5=) 12.Nbc3 Be6 13.f4 Bf7 14.Qf3 e4=.

    7.ed5 cd5

    8.Bb3 Ne7 9.c3 Bd6 10.d3 Nd7 11.Qh5 g6 12.Qh6 Nc5 Black prepares the advance e4 13.Bc2 Bf5 Black plans e4 14.Qd2 e4 15.d4 Nd3 16.Bd3 ed3 17.Nf3 Qc7 18.Bc1 0–0 19.0–0 Rab8 20.h3 Rfe8 21.Re1 Be4 0–1. dmendiola (2305) – pierred (2815), net–chess.com, 2011.

    8.Bb3 Ne7 9.Qh5 g6 10.Qh6 Nf5 11.Qh3 Nc6 12.g4 Nfd4 13.Bd4 Nd4 14.c3 Nb3 15.ab3 Bd6 16.Ne2 Be6 17.f3 0–0 18.Qg2 Qb6 19.b4 a5 0–1. dmendiola (2305) – pcmvr (2865), net–chess.com, 2011.

    8.Bb5 Bd7+= 9.Qe2 (9.Qh5 g6 10.Qe2 Ne7 11.a3 Bc5 12.Nc3 Nbc6+=; 9.Bd7 Qd7 (9...Nd7 10.Qg4 Qe7 11.a3 Bc5 12.Nc3 Nb6+=) 10.Nf3 Nc6 11.a3 Bd6 12.Nc3 Nge7+=; 9.Qg4 Bf8 (9...Qe7 10.Qe2 a6 11.Bd7 Nd7 12.Nf3 Nh6=) 10.Bd7 Qd7 11.Qd1 Nc6 12.Nc3 Rb8–/+) 9...Qb6 (9...Ne7 10.Bd7 Qd7 11.a3 Bc5 12.Qh5 g6–/+; 9...Bc5 10.Ba3 Qb6 11.Bd7 Nd7 12.Bc5 Qc5=; 9...Qc7 10.c3 Bd6 11.Ba3 Ne7 12.Qh5 g6+=) 10.Bd7 (10.a4 A) 10...a6 11.Bd7 Nd7+= (worse is 11...Kd7 12.Qg4 Ke8 13.Be5 fe5 14.Qg7+/–) 12.Bc3 Rb8+=; B) 10...Ne7 11.Ba3 Ba3 12.Ra3 0–0+=) 10...Nd7–/+ (worse is 10...Kd7 11.Qg4 Ke8 12.Be5 (12.Qg7?! Bf8 13.Qh8 Qb2 14.Qg8 Qa1 15.Qe6 Be7 16.Qg8 Bf8 17.Qe6 Be7 18.Qg8 Bf8+–) 12...fe5 13.Qg7+/–) 11.Nf3 (11.c3!? Bc5 12.d3+= Ne7+=; 11.Bc1 Rc8 12.c3 Ne7+=) 11...Bd2! 12.Nbd2 (12.Nbd2 Qb2; 12.Kd2 Qb2; 12.Qd2 Qb2; 12.Nfd2 Qb2) 12...Qb2 13.0–0 Qc2 14.Rfc1 (14.Nd4!? Qg6 15.Ne6–/+) 14...Qa4–+ 15.Rc7 Ne7 16.Nb3 0–0 17.Rac1 Rac8 18.Rc8 (18.R1c2 a6–+) 18...Rc8 19.Rc8 Nc8 20.Qd2 Qb5 21.Qc2 Qb7 (21...Ncb6 22.Nfd2–+) 22.h3 Ne7 23.g3 (23.Nfd2 Qc6 24.Qd1 Qa4–+) 23...Qc6 24.Qd2 d4 25.Kg2 (25.Qe2 Qd6 26.Kg2–+) 25...e4?? (better is 25...Qd5 26.Qb4 Nc6–+) 26.Nfd4–/+ Qd5 27.Qe3 Ne5 28.Nd2 Qa2 29.Ne4 a5 (29...Qd5 30.f3–/+) 30.Nc3 Qc4 31.f4 N5c6 32.Qe6 Qe6 33.Ne6 Kf7 34.Nc5 Nc8 35.Kf3 Nd6 36.Ke3 f5 37.Kd3 h6 38.Nd5 g5 39.Kc3 gf4 40.Nf4 Ne4 41.Ne4 fe4 42.g4 (42.Kc4 Ne5 43.Kb5 e3–/+) 42...Kf6–+ 43.Kd2 (better is 43.h4–+) 43...Ke5 44.Ne2 (44.Ng2 Nd4–+) 44...a4 45.Nc3 a3 46.h4 Nd4 47.Ke3 Ne6 48.h5 Ng5 49.Na2 Nf3 (49...Nf7 50.Kd2–+) 50.Nc3 Nh2 0–1. Dymek,Hans Peter – Suess,Stefan, corr, 1985.

    8.Qh5 g6 9.Qf3 Bb7 10.Bb3 (10.a3 Bc5 11.Bb3 e4 12.Qe2 Ba6 13.Qg4=) 10...Bc6 11.a3 Ba5 12.Qe2 Nd7 13.Nf3=.

    8.Qh5 g6 9.Qf3 Ne7 10.Bb3 0–0 11.Nc3 d5 becomes the focus of attention 11...Be6 12.Nge2 Na6 13.0–0 Rb8 14.h3 Nc5 15.d4 Nb3 16.ab3 a5 17.de5 fe5 18.Qg3 Nc6 19.Rfd1 Be7 20.Nd5 Bh4 21.Qd3 Rf2 (21...Bf2 22.Kh2 Bd4 23.Bd4 A) worse is 23...Nd4 24.Nd4 Qd5 25.Ne6 Qe6 26.Ra5+/–; B) 23...Qd5?! 24.Be3 Qd3 25.Rd3= (25.cd3? Rb3 26.Kg3 Bd5–+); C) 23...ed4=) 22.g3+/– Bd5 23.Kf2 (23.Qd5? Qd5 24.Rd5 Re2–+) 23...Qf8 24.Nf4 Nb4 25.Qd2 Qc5 26.Bd4 (26.Kf1!? Rf8 27.Bc3 (27.gh4?? Rf4 28.Qf4 ef4–+) 27...Bb3 28.cb3 Bg3 29.Bb4 ab4 30.Qd5 Qd5 31.Rd5 Bf4 32.Ke2=) 26...ed4+= 27.gh4 d3 28.Qe3 Qe3 29.Ke3 Nc2 30.Kd2 Na1 31.Ra1 Bb3 32.Ra5 Rb4 33.Nd3 Rh4 34.Nf2 Be6 35.Ra3 h5 36.Ke2 Kg7 37.Kf3 Kh6 (37...Bh3?! 38.Kg3 Rg4 39.Kh3+=) 38.Kg3 Kg5 39.Ra6 Bf5 40.Ra5 Rd4 41.Ra1 Rf4 42.Ra5 h4 43.Kg2 Rc4 44.Ra3 Kf4 45.Nd3 Ke4 46.Nf2 Kd4 47.Kf3 g5 48.Ra5 Rc3 49.Ke2 Rc5 50.Rc5 Kc5 51.Kf3 Kd5 52.Ne4 Ke5 ½–½. pcmvr (2865) – pierred (2815), net–chess.com, 2011.

    8.Qh5 Kf8

    9.a3 A) 9...Be7 10.Ba2 (10.Bb3 Nc6 11.Nc3 Nd4 12.Bd5 Nc2 13.Kd1+=) 10...Nc6 11.Nc3 g6 12.Qf3 Rb8 13.Rb1=; B) 9...Bc5 10.Bb3 Nc6 11.f4 Nh6 12.fe5 Ne5 13.Be5=.

    9.Bb3 Nc6 10.f4 (10.Nc3 Be6 11.Nge2 Nge7 12.0–0 g6 13.Qh6=; 10.a3 Bc5 11.f4 Rb8 12.Ne2 g6 13.Qh4=; 10.Ne2 Nge7 11.Nbc3 Bf5 12.Rb1 Na5 13.Bd5=) 10...Rb8 11.Ne2 g6 12.Qh4 ef4 13.Qf4=.

    9.Bb3 Be6 10.Ne2 (10.f4 Bf7 11.Qh4 ef4 12.Qf4 Bd6 13.Qf3+=; 10.Nc3 Nc6 11.Nge2 Rb8 12.0–0 Qd7 13.Rae1=) 10...Nh6 (10...Nc6 11.f4 Bf7 12.Qh4 Bc5 13.Nbc3=) 11.Qf3 (11.Nbc3 Nc6 12.Qf3 Ne7 13.a3=) 11...Nc6 12.Nbc3 Ne7 (12...Bc3 13.Bc3=) 13.h3 (13.Rb1=) 13...Nf7 14.0–0 Ng5 15.Qh5 Bf7 16.Qh4 d4 17.Nb1 (17.Ne4 Ne4 18.Qe4 Bg6+=) 17...Bb3 (better is 17...Nf5!? 18.Qg4 Bh5 19.Qh5 g6–/+) 18.cb3= Nf5 19.Qg4 g6 20.f4?? (better is 20.Ng3 h5 21.Qe2+=) 20...h5–+ 21.Qf5 gf5 22.fg5 f4 (22...Rg8 23.a3 d3 24.ab4 de2 25.Re1–+) 23.gf6 Kf7 (23...Rg8 24.Rf2–+) 24.a3 (24.Ba3 Ba3 25.Na3 Rc8–+) 24...Ba5 (better is 24...Bd6–+) 25.d3 (25.b4 Bb6 26.d3 Rc8–+) 25...Rg8 (25...Rc8 26.Bd4 Rc2 27.Bf2 Re2 28.d4–+) 26.b4 Qd5 (26...Qc8!? 27.Rf2 f3 28.Nd4–+) 27.Rf2 Bd8 28.Nd2 Rc8 29.Ne4 Rc2 30.Nf4 Rf2 (30...Qb3 31.Bd4 Rf2 32.Nd6 Kf8 33.f7 Rf4 34.fg8Q Kg8 35.Ba7 Qd3 36.Nb7–+) 31.Nd5 Rgg2 32.Kh1 Rh2 (32...Rb2?! 33.Rc1–/+) 33.Kg1 Rfg2 (33...Rb2?! 34.Rc1–/+) 34.Kf1 Rb2 35.Kg1 Rbg2 (35...Ke6!? 36.f7 Rbg2 37.Kf1 Kf7 38.Rc1–+) 36.Kf1 ½–½. Gross,Wilhelm – Klein, corr, 1985.

    9.Bb3 Ne7 10.f4 (10.Nc3 Nbc6 11.Nge2 Rb8 12.0–0 Be6 13.Rfe1=; 10.Ne2 Nbc6 11.Nbc3 Be6 12.a3 Bc5 13.0–0=; 10.Nf3 Nbc6 11.c3 Bd6 12.d4 Rb8 13.de5=; 10.a3 Bc5 11.f4 ef4 12.Nc3 Be6 13.Nge2+=; 10.Nh3 Nbc6 11.c3 Bc5 12.Ba3 Ba3 13.Na3+=) 10...ef4 11.Ne2 Qb6 12.Bd4 Qd6 13.a3+=.

    9.Bb3 Nh6 10.Qf3 (10.Ne2 Bg4 11.Qh4 Nc6 12.Nbc3 Ne7 13.f3=) 10...e4 11.Qe2 Be6 12.Nc3 Qd7 13.f3+=.

    9.Bb5 A) 9...g6 10.Qh4 (10.Qf3 Kg7 11.Nc3 Ne7 12.a3 Bc5 13.Na4+=) 10...Bc5 11.Ba3 Ba3 12.Na3 a6 13.Be2=; B) 9...a6 10.Be2 Nc6 11.c3 Be7 12.Nh3 Rb8 13.Bc1–/+.

    9.Be2 A) 9...Nc6 10.Nf3 (10.c3 Be7 11.Bb5 Rb8 12.a4 a6 13.Bc6–/+) 10...Rb8 11.0–0 Qe8 12.Qe8 Ke8 13.Bc1+=; B) 9...Qb6 10.Bc1 (10.Nc3 Ne7 11.f4 Bc3 12.Bc3 d4 13.Bc4–+; 10.Bc3 Bc5 11.Kf1 g6 12.Qf3 e4 13.Qf4–+) 10...Bc5 11.Qf3 Nc6 12.Ba3 Nd4 13.Qd5–/+.

    9.Qf3 Ne7 10.Ne2 (10.a3 Bc5 11.Bb3 Nbc6 12.Ne2 Rb8 13.Nbc3+=; 10.Bb3 Nbc6 11.Ne2 Bf5 12.a3 Bc5 13.Nbc3=) 10...Bf5 11.Bb3 Be4 12.Qg3 Nd7 13.a3=.

    5.Bb5 Ne7

    6.Qh5 g6 7.Qe2 c6 8.Bd3 Qb6 9.Nf3 Bd2 10.Nbd2 (10.Qd2 Qb2 11.0–0 Qa1–/+) 10...Qb2 11.0–0 Qa3 12.Nc4 Qc5 13.Nfd2 a6 (13...d5!? 14.Nb3 Qb4=) 14.Rab1 d5 (better is 14...0–0!?+/–) 15.Nb6+– (15.Nb6 Nd7 16.Na8+–) 1–0. pierred (2815) – dmendiola (2305), net–chess.com, 2011.

    6.Qh5 Ng6 7.Ne2 c6 8.Bd3 Na6 9.Nbc3 Nc5 10.Bc4 Rb8 11.Rb1 d6 12.Qf3 Be6 13.Be6 Ne6 14.0–0 0–0 15.Qg4 Qc8 16.Ba3 c5 (worse is 16...Ba3 17.Rb8 Qb8 18.Qe6 Kh8 19.Qd7+=) 17.Rfd1 Ngf4 18.Nf4 Nf4 19.Qc8 Rfc8 (worse is 19...Rbc8 20.Bb4 cb4 21.Rb4+/–) 20.Bb2 Rb6 21.Kf1 Rcb8 22.Ba1 Bc3 23.Rb6 ab6 24.Bc3 Ra8 25.Ra1 b5 26.a3 Ne6 27.Bb2 Kf7 28.Rb1 Ke7 29.Bc1 Nc7 30.d3 Kd7 31.f3 Kc6 32.Ke2 d5 33.Kf2 d4 34.f4 g5 35.f5 Na6 36.Ke2 g4 37.Ra1 c4 38.Bd2 c3 39.Bc1 Nc5 40.Rb1 h5 41.Rb4 h4 42.Kf2 h3 43.g3 Ra7 ½–½. pcmvr (2865) – asoka (2845), net–chess.com, 2011.

    5.Bg8 Rg8

    6.Qh5 Ke7 7.a3 Ba5 8.Qh7=.

    6.Qh5 Kf8

    7.a4 ba4 8.c3 Bc5+=.

    7.c3 Be7 8.Qh7 Na6 9.a3 (better is 9.d4=) 9...Nc5–/+ 10.Nf3? (better is 10.Ke2 d5 11.d4 Ne4 12.Nd2–+) 10...Nd3–+ (10...Nd3 11.Kf1 Nb2–+) 0–1. dmendiola (2305) – pierred (2815), net–chess.com, 2011.

    7.Qh7 Nc6 8.c3 Ba5 9.Nf3 Kf7 10.Qh5 g6 11.Qh4 Rh8 12.Qg3 d5 13.d3 de4 14.de4 Nd4 15.Nd4 Qd4 16.0–0 (better is 16.Nd2!? Qa4 17.Qd3+=) 16...Qe4–+ 17.Nd2 Qe2 18.Rad1 Rd8 (18...Rd8 19.Bc1 Bf5–+) 0–1. dmendiola (2305) – pcmvr (2865), net–chess.com, 2011.

    7.Qh7 Nc6 8.Nf3 Qe7 9.a3 Ba5 10.Bc3 (10.Nc3 Bc3 11.Bc3 g5 12.Qh5 Qf7 13.Qf7=; 10.0–0 g5 11.Qh5 Qg7 12.a4 g4 13.ab5+=) 10...g6 11.Qh6 Ke8 12.Ba5 Na5 13.h4=.

    7.Qh7 Nc6 8.Nf3 Qe7 9.a4 ba4 (9...Rb8 10.c3 Bc5 11.Ba3 Ba3 12.Na3 ba4 13.Nh4=) 10.c3= (10.Ra4 g5 11.Qh6 Qg7 12.Qg7 Rg7 13.c3+=) 10...Bc5 11.Ba3 Ba3 12.Na3 Rb8 13.Nh4=.

    7.Qh7 Nc6 8.Nf3 Qe7 9.c3 A) 9...Bc5 10.d4 ed4 11.cd4 Bb4 12.Kd1 g5 13.Qh6+=; B) 9...Ba5 10.0–0 (10.Na3 a6 11.Nc2 g6 12.Qh4 f5 13.Ng5=) 10...g6 11.Qh4 Ke8 12.d4 Rb8 13.d5=; C) 9...Bd6 10.Nh4 (10.a4 ba4 11.Nh4 Qf7 12.Nf5 Ba6 13.Nd6=) 10...Qf7 11.Nf5 Ke8 12.Nd6 cd6 13.Na3=.

    7.Qh7 Nc6 8.Nf3 Qe7 9.Nh4 Qc5 (9...Qf7!?= 10.Nf5 Ke8 11.a3 Bc5 12.Nc3 d6 13.Nb5+=) 10.Ng6 (10.c3!? Ba5 11.Ng6 Kf7 12.Nh8 Kf8 13.Qh5+/–) 10...Kf7+= 11.Qh5 Ke6 (11...Qc2 12.Ne5 Ke7 13.Qf7 Kd6 14.Qd5 Ke7 15.Ng6 Ke8 16.Qg8 Bf8 17.Qf8) 12.a3?? (better is 12.c3 Ba5 13.0–0+= (13.f4+=)) 12...Qc2–+ 13.Be5 Ne5 (13...fe5 14.0–0 Bc5 15.Nc3–/+; 13...Qe4 14.Kd1 Ne5 15.Ne5 fe5 16.Re1–/+) 14.Qf5 Kd6 15.0–0 Ng6?? (better is 15...Qb2 16.Ne5 Qa1+= (worse is 16...fe5 17.ab4 c6 18.Nc3 Qb4 19.d4+/–)) 16.Qd5 (better is 16.e5!? Ne5 17.Qc2 Ba5+–) 16...Ke7 17.Qg8 Qe4 18.Qg7 (18.ab4?! Bb7 19.Qg7 Ke6+=) 18...Kd8? (better is 18...Ke8 19.Nc3 Bf8 20.Qf8 Kf8 21.Ne4 f5+–) 19.ab4 Bb7 20.Qf6 Kc8 21.f3 Qe8 (21...Qe6 22.Qe6 de6 23.Nc3+–) 22.Nc3 Bc6 23.Rae1 (23.Rfe1 Qg8+–) 23...Qg8 0–1. Richter – Dymek,Hans Peter, corr, 1985.

    7.Qh7 Nc6 8.Nf3 Kf7 9.Qh5 A) 9...Ke7 10.c3 (10.a3 Ba5 11.Bc3 Bb6 12.Bb4 d6 13.Nc3=; 10.Nc3 Bc3 11.Bc3 d5 12.Qg6 Be6 13.d3=; 10.0–0 Qe8 11.Qh7 Kd8 12.d4 ed4 13.Nd4=; 10.Qg6 Qe8 11.Qg3 Kd8 12.Nc3 Bc3 13.Bc3=) 10...Ba5 11.0–0 Qe8 12.Qh7 d6 13.d4=; B) 9...g6 10.Qh7 (10.Qh4 Rh8 11.Qg3 d5 12.a3 Ba5 13.ed5+=) 10...Rg7 11.Qh4= g5 12.Qg3 d5 13.ed5=.

    7.Qh7 Ke7 8.Nc3 Bc3 9.Bc3=.

    7.Qh7 d5

    8.Ba3? Ba3 9.Na3 Bb7 (9...b4 10.Nb1 Nc6 11.Ne2–+) 10.f3?? (better is 10.Nb5!? de4 11.Ne2=) 10...a6 (better is 10...b4!? 11.Rb1 Na6–+) 11.Ne2–/+ c5 (better is 11...de4 12.fe4 Nc6–/+) 12.c4? (12.ed5 Qd5 13.c4 Qd7+=) 12...b4?? (better is 12...dc4 13.Nc2 Nc6–+) 13.cd5 (13.ed5 ba3 14.Rb1 Bc8+=) 13...ba3 14.0–0 (14.Rb1 Bc8–/+) 14...Nd7 15.f4 Qe7 16.Rab1 Rb8 (16...Bc8!?–/+) 17.fe5= Qe5 (worse is 17...Ne5 18.Nf4 Qf7 19.Ne6 Ke7 20.Nc5+/–) 18.Nf4 Qd4 (18...Kf7!? 19.Qg6 Ke7=) 19.Kh1 (better is 19.Rf2 Kf7 20.Qf5+/–) 19...Ke7?? (better is 19...Kf7 20.Qh5 g6+=) 20.Rb7!+– Kd6 (20...Rb7 21.Qg8 Deflection (21.Qg8 Overloading)) 21.Rb8 (better is 21.Rd7 Kd7 22.Qh3 Kc7 23.Ne6 Kb7 24.Nd4 cd4 25.Qa3+–) 21...Rb8 22.d3?? (better is 22.Qg7 Qe4 23.Qg3+–) 22...Qf2!–+ 23.Rd1 (23.Rf2 Rb1 Mate attack) 23...Qf4 24.Qh3? (24.Qg7 Kc7–+) 24...Qe5 (24...f5 25.d4 cd4 26.ef5 Kd5 27.Qa3–+) 25.d4 (25.Qf3–+) 25...Qe8 (better is 25...cd4 26.Qa3 Nc5–+) 26.Qg3+= Ke7 27.Qa3 (27.Qg7 Kd8 28.dc5 A) 28...Qe4?? 29.c6 Qd5 30.Qd7 (30.Rd5?? Rb1 31.Rd1 Rd1) 30...Qd7 31.Rd7 (31.cd7?! Rb4=) 31...Ke8 32.Rd1+–; B) 28...Qf8+=) 27...Qc8 (27...Kf7!? 28.e5 Nb6 29.e6 Kg8+=) 28.Qh3= Nf8 29.Qg3 cd4?? (better is 29...Kf7 30.dc5 Nd7=) 30.Qg7+– Ke8 31.Qf6 d3?? (31...Qd8 32.Qd4 Qg5 33.d6+–) 32.h3 (32.Rf1 Kd7 33.e5 Qc5 34.e6 Kd6 35.e7 Kc7 36.ef8R Rf8 37.Qf8 Qf8 38.Rf8 d2+–) 32...d2?? (32...Qd8 33.Qe5 Kf7 34.Rd3 Rb1 35.Kh2 Rf1+–) 33.Rf1 Kd7 34.Qf7 Kd6 35.Qf4 (35.e5!? Ke5 36.Qf4 Kd5 37.Qd2 Ke5 38.Re1 Kf6 39.Qf4 Qf5 40.Qb8 Ng6 41.Qd6 Kg7 42.Qa6 Qd7+–) 35...Kd7 36.Qd2 Qc4 (36...Ng6 37.Qf2 Ne7 38.e5+–) 37.Qf4 (better is 37.Qf2 Rc8 38.Qa7 Kd6 39.Rf6 Ke5 40.Qg7 Ke4 41.Qe7 Kd3 42.Rf3 Kc2 43.Rf2 Kd3 44.Qe2 Kd4 45.Rf4 Kd5 46.Qf3 Ke6 47.Qg4 Kd5 48.Qf5 Kd6 49.Rc4 Rc4 50.Qf8 Kd5 51.Qf5 Kd4 52.h4+–) 37...Qc5 (37...Rc8 38.a4! Ng6 39.Qf5 Kd8 40.Qf6 Kc7 41.Qg7 Kd8+–) 38.Qb8 Ng6 39.Rf7 Ne7 40.Qb7 Ke8 41.Re7! Qe7 42.Qe7 Ke7 43.e5 1–0. Beljdy,Alexander (1935) – Pshenichnikov,Valerij (1740), Novosibirsk– Seniors Open, 2010.

    8.a4 A) 8...c6 9.ab5 cb5 10.f4 ef4 11.Ne2 Qe7 12.Nf4 Qe4+/–; B) 8...Kf7 9.Qh5 Ke7 (9...g6 10.Qf3 ba4 11.ed5 Qd7 12.Nc3 Qf5+=) 10.ab5 de4 11.Ra4 a5 12.Ne2 Be6+=; C) 8...ba4 9.Ra4 Na6 10.f4 Qe8 11.Ra2 ef4 12.e5 fe5–/+.

    8.c3 Ba5 9.Nf3 (9.a4 ba4 10.Ra4 Bb6=) 9...c5 (9...Kf7 10.ed5 e4 11.Nd4+=) 10.0–0 (10.ed5 Qd5 11.a4 b4=) 10...Bb7 11.d3 de4 12.de4 Qd3 (12...Kf7 13.Qf5 Ke7 14.a4=) 13.Nbd2+= Bc3 14.Rad1?? (14.Bc3 Qc3 15.Rac1 Qa3=) 14...Bd4 (better is 14...Bb2 15.Nc4 Be4 (15...Qc4 16.Rd8 Ke7 17.Rg8 Be4 18.Rg7 Kd6 19.Rd1 Kc6 20.Qh3–/+; 15...bc4 16.Rd3 cd3 17.Rb1+/–) 16.Qg8 Kg8 17.Rd3 Bd3 18.Nb2 Bf1 19.Kf1 c4–+) 15.Bd4= cd4 16.Ne5 fe5 17.Qf5 Ke8 18.Qe5 Kf8 19.Qd6 Ke8 20.Nf3 Exerts pressure on the isolated pawn 20...Qc4 21.Rd4 The mate threat is Qd8. 21...Qc8 22.Qg6 Kf8 If Black now only could play Rh8... 23.Ng5 Qe8 (23...Qd7 24.Rd7 Nd7 25.Qf7) 24.Rd8!! Nc6 (24...Qd8 Deflection from f7 25.Qf7 A double attack) 25.Re8 (25.Qe8) 25...Re8 26.Qf7 1–0. Grehl,Siegfried – Merkl, corr SOK–91–70, 1991.

    8.c3 Be7 9.Na3=.

    8.Nf3 Bb7 A) 9.a3 Ba5 (9...Bd6 10.Nc3 de4 11.Nh4 a6 12.Ne4 Bd5=; 9...Be7 10.Nc3 de4 11.Ne4 Kf7 12.Qf5 Qd5+=; 9...Bc5 10.d4 ed4 11.Bd4 Nd7 12.Bc5 Nc5=) 10.ed5 Qd5 11.Bc3= Bb6 12.a4 ba4+=; B) 9.ed5 Qd5 (9...Bd5 10.a4 ba4 11.Nc3 Bf3 12.gf3 Nc6=) 10.a3 Ba5 11.Bc3 Bb6 12.a4 ba4+=.

    8.Nf3 c6 9.a4 (9.a3 de4 10.Qe4 Bd6 11.a4 b4 12.0–0 Be6=; 9.ed5 cd5 10.a4 ba4 11.Ra4 Nc6 12.Rb4 Nb4=) 9...Kf7 10.ed5 Qd5 11.Nc3 Bc3 12.Bc3 Bg4+=.

    8.Nf3 Nc6 9.Nh4 (9.a3 Ba5= 10.Bc3 Be6 11.Ba5 Na5 12.ed5 Bd5=; 9.a4 ba4 10.Ra4 Be6 11.Bc3 Bd6 12.d4 ed4+=; 9.Nc3 Bc3 10.Bc3 Kf7 11.ed5 Qd5 12.a4 b4+=; 9.c3 Ba5 (9...Be7 10.a4 ba4 11.Ra4 Be6 12.Ba3 de4=) 10.a4 Kf7 11.Qh5 g6 12.Qh7 Rg7=; 9.ed5 Qd5 10.a3 Ba5 11.Nc3 Bc3 12.Bc3 Ne7=) 9...Ne7 (9...de4 10.Qe4 Bb7 11.a4 a6 12.0–0 g5=; 9...Be6 10.a3 Ba5 11.ed5 Qd5 12.a4 b4+=; 9...Ke7 10.0–0 Be6 11.Nf5 Bf5 12.Qf5 Qd6=; 9...Rb8 10.f4 Ke7 11.Ng6 Kd6 12.ed5 Kd5+=; 9...a6 10.f4 ef4 11.Ng6 Kf7 12.Qh5 Ne7+=) 10.f4 (10.ed5 Nd5 11.Ba3 a5 12.Ng6 Kf7=) 10...ef4 11.0–0 d4 (11...Bc5 12.d4 Bb6=) 12.d3 (12.Rf4 Qd6=) 12...Qd6 (12...c5=) 13.Bc1 (better is 13.Nf3!?=) 13...g5–/+ 14.Nf5 Bf5 15.ef5 Qe5 16.Nd2 (16.a4!?–/+) 16...Qf5–+ 17.Qf5 (better is 17.Qh5!?–+) 17...Nf5 18.g4? (18.Rb1 a5 19.Ne4–+) 18...Ne3 19.Rf2 (19.Nf3 Nf1 20.Kf1 Bc3–+) 19...Ng4 (19...Ng4 20.Re2 c5–+; 19...Nc2?! 20.Rb1 c5 21.Nf3–+) 0–1. Richter – Klein, corr, 1985.

    8.Nf3 Be6 9.a3 (9.ed5 Bd5 10.a4 ba4 11.Nc3 Bf3 12.gf3 Nc6=; 9.a4 ba4 10.Ra4 Bd6 11.ed5 Bd5 12.Nc3 Bf3=) 9...Ba5 10.Nc3 d4 11.Nb5 c6 12.Nbd4 ed4=.

    8.Nf3 Kf7 9.ed5 Qd5 10.a4 Bg4 11.Nh4 Qc4 12.f3 Bd7=.

    8.Nf3 Bg4 A) 9.a4 ba4 (9...Bf3 10.gf3 ba4 11.Rg1 Kf7 12.Ra4 Nc6+=) 10.Ra4 a5 11.Nc3 Qd7 12.Ra1 de4=; B) 9.c3 Be7 (9...Bc5 10.d4 ed4 11.cd4 Bb4 12.Nc3 Nc6=) 10.a4 ba4 11.d4 Bf3 12.gf3 Nc6+=; C) 9.a3 Ba5 (9...Bc5 10.h3 Bf3 11.gf3 Nc6 12.Rg1 de4=) 10.Nc3 d4 11.Nd1 d3 12.c3 Be6=; D) 9.Nh4 Nc6 (9...Ke7 10.Ng6 Kf7 11.f3 Be6 12.Qh5 Ke8+=; 9...Be6 10.f4 Nc6 11.fe5 fe5 12.Nf3 de4=) 10.a3 Ba5 11.Nc3 d4 12.Ng6 Kf7=.

    4...b6

    5.a3 Ba5 6.Nc3 Bc3 7.dc3 Bb7 8.Qh5 g6 9.Qe2 Nc6 10.Rd1 Na5 11.Bb5 c6 12.Bd3 Bc8 13.h4 Ne7 14.h5 g5 15.Nf3 h6 16.0–0 a6 17.a4 c5 18.Nd2 Nec6 19.Bc4 Nc4 20.Nc4 0–0 21.Rd6 Rf7 22.Rfd1 b5 23.Rc6 bc4 (23...dc6 24.Rd6 Double attack (24.Rd8 Discovered attack; 24.Rd8 Pinning; 24.Rd8 Deflection; 24.Rd6 Decoy; 24.Rd8 Remove defender; 24.Rd8 Clearance)) 24.Qc4 Rb8 25.Ba3 (worse is 25.Qc5 Qf8 26.Rc7 Qc5 27.Rc5 Bb7+= (worse is 27...Rb2 28.Rc8 Kg7 29.Rd6+/–)) 25...Rb6 26.Rc5 d6?? (better is 26...Bb7+/–) 27.Rc8+– (27.Rc8 Rb8 28.Rd8 Rd8 29.Rd6 Rd6 30.Bd6+–) 1–0. b4_player – kaller, internet, 2013.

    5.a3 Bd6 6.Qe2 Ne7 7.Nc3 Bb7 8.Nf3 Nbc6 9.0–0 Nd4 (better is 9...a6!?+=) 10.Nd4+= ed4 11.Nb5 Bc5 12.e5 (worse is 12.Bd4 a6 13.Bc5 ab5 14.Be7 Qe7 15.Bb5 Ra3 16.Ra3 Qa3+=) 12...fe5 (better is 12...f5!?+=) 13.Qe5+– d6 14.Qg7 Rf8 15.Rae1 d5 16.Bd3 Rf7 17.Qg8 Rf8 18.Qg3 Bd6 19.Qg7 Qd7 20.Bd4 a6 21.Nd6 Qd6 22.Qh7 Kd8 23.Be5 Qd7 24.Bf6! (24.Bf6 Rf6 25.Qh8 Rf8 26.Qf8 Qe8 27.Qf6+–) 1–0. usingprogram (2020) – freitas129, kurnik, 2013.

    5.Be5!? Ba6 6.Bg8 Rg8 7.Qh5 g6 8.Qh7+=.

    5.Nf3 Ne7 6.0–0 d5 7.ed5= Nd5 8.a3 Bc5 9.Ne5+= fe5 10.Qh5+/– Kf8 11.Qf3 Qf6 12.Qd5 c6 13.Qe5 Qg6?? 14.Qc7+– Bh3 15.Qd8 Qe8 16.Qe8 Ke8 17.gh3 Bf8 18.Be6 h5 19.Re1 Kd8 20.Be5 Rh6 21.Bf5 Na6 22.Bf4 Rf6 23.Bg5 Be7 24.Bf6 Bf6 25.c3 Kc7 26.Ra2 Nc5 27.d4 Nb7 28.Rae2 Nd6 29.Bd3 h4 30.Nd2 Kd7 31.Ne4 Be7 32.Nc5! bc5 33.Re7 (33...Kc8 34.dc5 Ne4 35.Be4 Kd8 36.Bf5 g6 37.Rd7 Kc8 38.Re8#) 1–0. algernon (2155) – nay (2150), net–chess.com, 2003.

    5.f4 Ba6 6.Bb3 (better is 6.Ba6 Na6 7.fe5= Nc5 8.Qh5 Ke7 9.Ne2 Qe8 10.Qh4 Qg6+/–; 6.Bg8 Rg8 7.Qh5 g6 8.Qh7 Bc4 9.fe5 fe5 10.Nf3 d6=) 6...ef4?? (better is 6...Nc6+= 7.Bg8 (7.fe5 fe5 8.Qh5 g6 9.Qh3 Nf6 10.Nf3 Ne4–/+; 7.Qh5 g6 8.Qh4 Qe7 9.Nf3 ef4 10.Qf4 0–0–0+=) 7...Rg8 8.Qh5 g6 9.Qh7 Bc4 10.Ne2 Bc5+=) 7.Qh5+– g6 8.Qh4 (better is 8.Qd5 Nh6 9.Qa8+–) 8...Nc6 (8...Qe7!? 9.Qf4 Bb7–/+) 9.Nf3 Qe7 10.Bd5 (10.Qf4 Bd6 11.Qe3 Ne5+=) 10...0–0–0 11.Qf4 Ba5 (11...Bd6 12.Qe3–/+) 12.Na3 (12.Nc3 Re8+=) 12...Nb4 (better is 12...Qc5 13.c3 Re8–/+) 13.0–0–0? (better is 13.Bg8 Rdg8 14.Bf6+=) 13...Na2?? (better is 13...Qc5 14.Kb1 Nd5 15.ed5 Bb4–+) 14.Ba2+– d5 (better is 14...Bb4 15.Nc4 Bc4 16.Bc4 Bd6+–) 15.Bd5 Be2 16.Rde1 Bf3 17.gf3?? (better is 17.Nc4 Bg2 18.Qg4 Kb8 19.Na5 ba5 20.Qg2+–) 17...Rd5?? (better is 17...c6 18.Bc6 Bd2 19.Qd2 Rd2 20.Kd2 Qd6 21.Bd5 Ne7+/–) 18.ed5+– Qe1 (18...Qd7+–) 19.Re1 Bd2 20.Kd2 1–0. mtr – Expert, internet, 2001.

    5.f4 Bb7 6.fe5 (better is 6.Bg8 Rg8 7.Qh5 Kf8 8.a3=) 6...Be4? (better is 6...f5 7.Qh5 g6=) 7.Qg4+– Bc2?? (better is 7...Bg6 8.Bg8 Rg8 9.Qb4 fe5+–) 8.Qg7 Qe7 (8...Nh6 9.Qh8 Bf8 10.Na3+–) 9.Qh8 Bd2 (9...Qf8 10.Qg8 Qg8 11.Bg8 fe5 12.Be5 Nc6+–) 10.Nd2 fe5 11.Bg8 Qh4 12.g3 Qb4 13.Bd5 Qf8 14.Qe5 Qe7 15.Qe7 Ke7 16.Ba8 c6 17.Ngf3 Na6 18.0–0 Nc5 19.Rae1 Kd6 20.Nc4 Kd5 (20...Kc7 21.Re8 d6 22.Nd4 Bg6 23.Re7 Nd7 24.Rf8 Bf5 25.Ba3 Bd3 26.Bd6) 21.Nfd2 Nd3 (21...Ne4 22.Rf5 Ke6 23.Re5 Kf6 24.R5e4 Kf5 25.Rf1 Kg6 26.Ne5 Kg5 27.Nf7 Kg6 28.Rg4 Kh5 29.Rg5) 22.Rf5 Ne5 23.Rfe5 (23.Ree5?!=) 1–0. Trkn – guest7003, ICC, 2004.

    5.f4 d6

    6.a3 A) 6...Bc5 7.d4 Bd4 (7...Ba6 8.Bg8 Bd4 9.c3 Rg8 10.cd4 Qd7+–) 8.Bd4 Bb7 9.Qg4 Qd7 10.Be6 Qe7+/–; B) 6...Ba5+= B1) 7.Qf3 Qe7 (7...Qd7 8.Nc3 ef4 9.Nge2 Nc6 10.Qh5 g6+=; 7...Nc6 8.Ne2 a6 9.Nbc3 ef4 10.Qh5 g6+=; 7...Nh6 8.Qh5 Kf8 9.Ne2 Qe8 10.Qf3 Bg4+=; 7...Ba6 8.Ba6 Na6 9.Ne2 Nc5 10.0–0 Qe7+=; 7...Bb7 8.Ne2 Qe7 9.0–0 a6 10.Qb3 Nh6+=) 8.Ne2 c6 9.0–0 Nh6 10.f5 b5+=; B2) 7.Qh5 g6 8.Qf3 Nh6 9.Ne2 c6 10.fe5 fe5+=; B3) 7.Ne2 c6 (7...Ne7 8.Ng3 a6 9.Nh5 Kf8 10.fe5 de5=) 8.0–0 b5 9.Bb3 Bb6 10.d4 Bg4+=.

    6.c3 Ba5 A) 7.fe5 fe5 (7...de5 8.Nf3 Ne7 9.Qb3 Rf8 10.0–0 c6=) 8.Nf3 Nf6 9.Qe2 c6 10.0–0 b5–/+; B) 7.Ne2 c6 (7...Ba6 8.Ba6 Na6 9.d4 ed4 10.Nd4 Qd7+=; 7...Ne7 8.Ng3 c6 9.fe5 de5 10.Nh5 Kf8=; 7...Bb7 8.d3 Ne7 9.fe5 de5 10.Qb3 Rf8+=; 7...Nh6 8.0–0 c6 9.d4 b5 10.Bb3 Bg4+=; 7...Bg4 8.h3 Bd7 9.d4 Bc6 10.Nd2 b5=) 8.Qb3 Nh6 9.0–0 Qe7 10.Qc2 Ng4+=.

    6.Qf3 A) 6...Nh6 A1) 7.f5 c6 (7...Qe7 8.c3 Bc5 9.Ne2 Ba6 10.Ba6 Na6=) 8.Ne2 b5 9.Bb3 Bc5 10.Qh5 Ke7+=; A2) 7.fe5 de5 8.Qh5 Ke7 9.Nf3 Bg4 10.Qh4 Ke8+=; A3) 7.Qh5 Ke7 8.c3 Bg4 9.Qh4 Bc5 10.d4 ed4=; B) 6...Nc6 B1) 7.Qb3 Nge7 8.Qg3 g6 9.Nf3 Na5 10.Be2 Bc5+=; B2) 7.Ne2 Bc5 (7...Nge7 8.Qg3 g6 9.c3 Ba5 10.0–0 f5+=) 8.Ba3 Nge7 9.Qg3 g6 10.Bc5 dc5+=; B3) 7.Qh5 g6 8.Qh4 Na5 9.Bd5 c6 10.Bg8 Rg8–/+; B4) 7.f5 g6 8.Bd5 Bd7 9.c3 Bc5 10.Ne2 Nge7+=.

    6.f5 g6 7.c3 (7.fg6 hg6 8.c3 Ba5 9.Qb3 Nh6 10.Nf3 f5–/+) 7...Ba5 8.Qf3–/+ c6 9.Ne2 Qe7 10.Ng3 Nd7+=.

    6.f5 Nh6 7.Qh5 (7.c3 Ba5 8.Qh5 Ke7 9.d3 Qe8 10.Qf3 c6=) 7...Ke7 (7...Kf8 8.c3 Ba5 9.d3 Ba6 10.Nd2 b5=) 8.g4 (8.c3!? Ba5 9.d3+= Qe8 10.Qh4 c6=) 8...Qe8–/+ (8...Bb7 9.g5 Be4 10.gh6 g6–/+) 9.Qh4 (9.Qe8 Ke8 10.c3 Ba5–/+) 9...Nf7 (9...Bb7 10.Bd3–/+ Kd8–/+) 10.Nf3 (10.c3 Bc5+=) 10...h6 (10...Qc6 11.Bd3–/+) 11.a3 Bc5 12.Nc3 c6 13.Qg3 Bb7 (13...b5 14.Bb3+=) 14.h4 (14.Nh4 Rh7=) 14...b5 15.Ba2 a5 16.Rh2 b4 (16...Na6 17.Rg2–/+) 17.ab4 (17.Na4 Ba7 18.ab4 ab4+=) 17...ab4–/+ 18.Ne2 Qd8 (18...Nd7 19.d4 Bb6 20.c3 bc3 21.Bc3 ed4 22.Ned4+=) 19.g5 (19.d4 Bb6=) 19...hg5+= 20.hg5 Rh2 21.gf6 gf6 22.Nh2 (22.Qh2 Qe8+=) 22...Qh8 (22...Ng5 23.Nf3 Qh8 24.Ng5 Qh1 25.Ng1 Bg1 26.0–0–0=) 23.d4+= Qh2?? (better is 23...ed4 24.Bf7 Ra1 25.Ba1 Kf7 26.Bd4 Bd4 27.Nd4 Ke7–/+) 24.Qh2+– (24.Qh2 Ra2 25.Ra2+–) 1–0. Merkl,M – Heller, corr, 1985.

    6.Qh5 g6 7.Qh4 (7.Qf3 Nh6 8.Ne2 c6 9.Qb3 Bc5 10.c3 d5–/+) 7...Qe7 (7...Ba6 8.Bd5 c6 9.Bg8 Rg8 10.Qh7 Bc4+=; 7...Nc6 8.Bd5 Bd7 9.Nf3 Bc5 10.Ba3 Ba3+=; 7...Bc5 8.fe5 de5 9.Bd5 c6 10.Bg8 Rg8+=; 7...c6 8.Bg8 Rg8 9.Qh7 Be6 10.fe5 fe5=) 8.Ne2 c6 9.Nbc3 b5 10.Bb3 Bc5+=.

    5.Bg8 Rg8

    6.Qh5 Ke7 A) 7.c3 Ba5 (7...Bd6 8.Qh7 Ba6 9.Ne2 Bd3 10.Nc1 Bc4 11.d3=) 8.Qh7 (8.Nf3 Rh8 9.0–0 Ba6 10.Rc1 Qe8 11.Qh3+=) 8...d5 9.Nf3 Bb7 10.d3 Na6 11.Nh4+=; B) 7.Qh7 B1) 7...Nc6 8.a3 (8.Nf3 Bc5 9.Nc3 Qf8 10.Rb1 Kd8 11.Qg6=; 8.c3 Bc5 9.Nf3 Kf7 10.Qh5 g6 11.Qh7=; 8.Ne2 d5 9.a3 Bc5 10.Nbc3 d4 11.Nd5=; 8.Nc3 Bc3 9.Bc3 d5 10.Nf3 Be6 11.0–0=; 8.Qg6 Qe8 9.Qg3 Kd8 10.Nf3 Qe6 11.a3=) 8...Bc5 9.Nc3 Kf7 10.Qh5 g6 11.Qf3=; B2) 7...Bb7 8.a3 (8.Nf3 d5 9.ed5 Qd5 10.a3 Bc5 11.Nc3=) 8...Bc5 9.Nf3 d5 10.d4 Bd4 11.Bd4=; B3) 7...d6 8.Nf3 (8.c3 Ba5 9.Nf3 Nc6 10.0–0 Qf8 11.d4=; 8.Ne2 Be6 9.c3 Ba5 10.d4 c6 11.Nd2=) 8...Nc6 9.c3 Ba5 10.0–0 Qf8 11.d4=; B4) 7...Ba6 8.Nc3 (8.Ne2 Nc6 9.Nbc3 Qf8 10.a3 Bc5 11.Na4=; 8.Nf3 Nc6 9.Nc3 Qf8 10.Nd5 Kd8 11.Qg6=; 8.a3 Bc5 9.Nf3 Nc6 10.Nh4 Qe8 11.d3=; 8.c3 Ba5 9.Nf3 Bd3 10.Nh4 d5 11.Nf5+=) 8...Bc3 9.Bc3 d5 10.d3 d4 11.Bd2=; B5) 7...a6 8.Ne2 (8.c3 Ba5 9.Nf3 d5 10.d4 ed4 11.Nd4=; 8.Nf3 Nc6 9.c3 Ba5 10.Nh4 Qe8 11.Nf5=) 8...d5 9.a3 Ba5 10.Bc3 Nc6 11.ed5=; B6) 7...Na6 8.Nf3 (8.Ne2 d5 9.f4 d4 10.fe5 fe5 11.c3=; 8.Nc3 Bc3 9.Bc3 d5 10.Nf3 d4 11.Bb2=; 8.a3 Bc5 9.c3 Kf7 10.Qh5 g6 11.Qe2=) 8...d6 9.0–0 Bg4 10.Nh4 Bc5 11.Ng6=; B7) 7...c6 8.a3 (8.c3 Ba5 9.Nf3 d5 10.d4 Kf7 11.Qh5=; 8.Nf3 d6 9.a3 Ba5 10.0–0 Qf8 11.Nh4=) 8...Ba5 9.Bc3 Bc3 10.Nc3 d6 11.Nf3=; B8) 7...d5 8.Nf3= Bb7 9.ed5 Qd5 10.a3 Bc5 11.Nc3=.

    6.Qh5 Kf8 7.a3 A) 7...Be7 8.f4 (8.Qh7 Kf7 9.Qh5 g6 10.Qh7 Rg7 11.Qh6=) 8...ef4 9.Qh7 Bd6 10.Ne2 Bb7 11.Nbc3=; B) 7...Ba5 8.Qh7 d5 9.Bc3 Bc3 10.Nc3 d4 11.Nce2=; C) 7...Bc5 8.Qh7 (8.c3 Rh8 9.d4 Bd6 10.Nf3 ed4 11.e5+=) 8...Kf7 9.Qh5 g6 10.Qh7 Rg7 11.Qh4=.

    6.Qh5 Kf8 7.c3 Be7 8.Qh7 Kf7 9.Qh5 g6 10.Qh7 Rg7 11.Qh4+=.

    6.Qh5 Kf8 7.Qh7 Bb7 (7...Kf7 8.Qh5 (8.Qh3 Nc6 9.Qb3 Kf8 10.Nc3 Bc5 11.Nf3=) 8...g6 9.Qh7 Ke6 10.f4 Nc6 11.Qh3+=; 7...Ke7 8.Nf3 (8.c3 Ba5 9.Nf3 Nc6 10.h4 Qe8 11.Na3=; 8.a3 Bc5 9.Nf3 Nc6 10.Nc3 Qf8 11.Na4=; 8.Nc3 Bc3 9.Bc3 d5 10.d4 ed4 11.Bd4=; 8.Ne2 d5 9.a3 Ba5 10.Bc3 Bc3 11.Nbc3=) 8...Bb7 9.0–0 Qf8 10.c3 Rh8 11.Qf5=) 8.c3 (8.a3 Bc5 9.Nf3 Nc6 10.Nc3 Kf7 11.Qh5=; 8.Nf3 d5 9.ed5 Qd5 10.a3 Ba5 11.Bc3=) 8...Bc5 (8...Ba5 9.f4= ef4 10.Ne2 Qe7 11.d3+=) 9.Ne2 (9.d4 ed4 10.cd4 Qe7 (10...Bb4 11.Bc3 Qe7=) 11.f3=) 9...d5 (9...Qe7 10.f3= d5 11.ed5=) 10.d4 ed4 (10...Bd6 11.Nd2=) 11.cd4+= Bb4 12.Nbc3 (12.Bc3!? Bc3 13.Nbc3 de4 14.d5+=) 12...de4= 13.Nf4 Kf7 (13...Qd6 14.Ng6 Kf7 15.Nh8 Rh8 16.Qh8 Qd4 17.Qh5 Ke7=) 14.Rd1 (14.d5 Qd6 15.Qg6 Kf8 16.Qe4 c6+=) 14...e3 (better is 14...Qd6!? 15.Qg6 Ke7+=) 15.fe3 Qd7 (15...Qe8!? 16.Qd3 Bd6 17.Qc4 Ke7+=) 16.0–0+/– Qg4? (16...Bc3!? 17.Bc3 Qe8+/–) 17.Ncd5 (better is 17.Qc2 Bc3 18.Qb3 (18.Qc3?! Rd8+–; 18.Bc3?! Rh8+/–) 18...Ke7 19.Ba3 (19.Bc3?! Na6+/–; 19.Qc3?! Na6+/–) 19...c5 20.dc5+–) 17...Bd5?? (better is 17...Na6 18.Nf6! Kf6 19.d5 Ke7 20.Qe4 Kd6 21.Qe5 Kd7+/–) 18.Nd5 Bd6 (18...Nd7 19.Nb4 Rge8+–) 19.Nf6 Qc8 20.Ng8 (20.Nd5 Ke8 21.Qg8 Kd7 22.Rf7 Kc6 23.Qc8 Kd5 24.Qf5 Kc6 25.Rc1 Kb7 26.Qd5 Ka6 27.Rc4 Nc6 28.Qc6 Bb4 29.Rb4 Re8 30.Ra4) 20...Ke6 21.Qf5 1–0. mtra – aron, internet, 2002.

    5.Qh5 g6=+

    6.Qe2 Bb7?? 7.Bg8+/– Rg8 8.Qc4 d6?? (better is 8...Bd2 9.Nd2 d5+/–) 9.Qg8+– (9.Qb4?! f5+–) 9...Kd7 10.Qh7 Ke8 (10...Kc8 11.Qg6 d5 12.a3+–) 11.Qg6 Kd7 12.a3 Bc5 13.Qf5 Ke8 14.Nc3 (14.Nc3 a6 15.h4+–) 1–0. marre – hugo_fic, internet live, 2010.

    6.Qe2 Nc6+=.

    6.Qf3 Bb7?? 7.Bg8+/– Rg8 8.Qb3 Bd2 9.Nd2 (worse is 9.Kd2 Rg7 10.Nc3 f5+/–) 9...d5 10.Ne2 Qd6 (better is 10...Na6!?+–) 11.Ba3 c5 12.Nc3 c4 (12...Nc6 13.Nd5 Rg7+–) 13.Qb5 (worse is 13.Bd6 cb3 14.ab3 d4+–) 13...Bc6 (13...Qd7 14.ed5 Qb5 15.Nb5 Rg7 16.Nd6 Kd8 17.Nb7 Rb7 18.Nc4 Rc7+–) 14.Bd6 Bb5 15.Nb5 Kd7 16.Bb8 Rab8 (16...Rgb8 17.ed5 a6 18.Nc3+–) 17.ed5 a6 18.Na7 b5 19.Ne4 Rgf8 20.Nc6 Rb6 21.Ke2 h6 (21...Rc6 22.dc6 Kc6 23.a4+–) 22.Rhd1 f5 (22...Kc7 23.Nb4 f5 24.d6 Kb8 25.Nc5+–) 23.Ne5 Kc8 24.Nc5 Re8 25.Ne6 Rbe6 26.de6 Re6 27.Rd5 Kc7 28.a4 g5 (28...ba4 29.Ra4 c3 30.Kd3+–) 29.ab5 ab5 30.Rb5 g4 (30...Kd8 31.Ra8 Kc7 32.Ra7 Kc8 33.Kf1+–) 31.Ra7 Kc8 32.Kf1 h5 33.Nd7 h4 (33...Rb6 34.Rc5 Rc6 35.Rc6 Kd8 36.Nf6 g3 37.Rd7) 34.Rb8 1–0. pierre – krasitz, internet, 2011.

    6.Qf3 Nc6+=.

    6.Qh4 Ba6 A) 7.Bb3 A1) 7...d6 8.a3 (8.Nf3 Nd7 9.a3 Ba5 10.Bd5 Rc8 11.Bg8=; 8.c3 Ba5 9.Na3 h5 10.Nc4 Nc6 11.d3+=; 8.f4 Nd7 9.Nf3 c6 10.f5 Nf8 11.c3+=; 8.Nc3 Nd7 9.Nf3 Ne7 10.a3 Ba5 11.Rd1+=) 8...Bc5 9.Nc3 h5 10.Na4 Bd4 11.Qg3=; A2) 7...Be7 8.Nc3 (8.Nf3 d6 9.Bg8 Rg8 10.Qh7 Bc4 11.d4=; 8.d3 Bb4 9.Bc3 Qe7 10.Bb4 Qb4 11.Nd2+=; 8.a3 Nc6 9.d3 Bc5 10.Bg8 Rg8 11.Qh7=; 8.Qg3 Bb7 9.Nc3 Bc5 10.Nf3 Nc6 11.0–0+=; 8.Na3 f5 9.Qg3 f4 10.Qc3 Nc6 11.Bd5+=) 8...Nc6 9.Bg8 Rg8 10.Qh7 Bc4 11.Nd5=; A3) 7...Qe7 8.a3 (8.Nf3 Qd6 9.a3 Bc5 10.Nc3 Nc6 11.Na4+=; 8.Nc3 Qd6 9.a3 Ba5 10.Bg8 Rg8 11.Qh7+=) 8...Bc5 9.Nc3 c6 10.Nf3 d6 11.Rd1=; A4) 7...Nc6 8.f4 (8.a3 Bc5 9.Nf3 h5 10.d3 g5 11.Qg3+=; 8.Nf3 h5 9.a3 g5 10.Qg3 Bc5 11.d3+=; 8.Nc3 Nd4 9.Nge2 Bc3 10.Nc3 f5 11.Qd8+=) 8...Qe7 9.Nc3 ef4 10.Qf4 Bd6 11.Qh4+=; B) 7.Bg8 Rg8 8.Qh7 Bc4 9.Nc3 Be6 10.Nf3 Bc3 11.Bc3+=; C) 7.Ba6 Na6 8.a3 (8.Nf3+= Be7 9.0–0 d6 10.Qg3 d5 11.ed5+=) 8...Be7 9.Nc3 Nc5 10.Nge2 Rc8 11.0–0+=.

    6.Qh4 h5 7.Be5 A) 7...g5 8.Qg3 Qe7 9.Bc7 Na6 10.Ba6 Ba6 11.a3+=; B) 7...Ba6 8.Ba6 (8.Bb3 Nc6 9.Bc3 g5 10.Qh3 Qe7 11.Bd5=) 8...Na6= (8...fe5?? 9.Qd8 Kd8 10.Bb7+–) 9.Qg3 g5 10.Bb2 Qe7 11.Qe3=; C) 7...Qe7 8.Bc7 Na6 9.Ba6 Ba6 10.a3 Bc5 11.Nc3+=.

    6.Qh4 h5 7.f4 ef4 (7...Nc6 8.fe5 (8.Nf3 d6 9.Nc3 Bg4 10.Bb5 Bd7 11.Nd5+=; 8.Qg3 Nge7 9.fe5 fe5 10.Be5 h4 11.Bf7+=) 8...fe5 9.Qd8 Kd8 10.Bd5 Bb7 11.Nf3=) 8.Nf3 (8.Bg8 Rg8 9.Qf4 Be7 10.Nf3 Nc6 11.0–0+=) 8...g5 (8...Bd6 9.d3 Ba6 10.Bg8 g5 11.Bf7–/+) 9.Ng5?? (better is 9.Qf2 Bc5 A) 10.d4 Be7 (10...Bb4 11.c3+=) 11.Qe2–/+; B) 10.Qe2 g4 11.e5+=) 9...fg5–+ 10.Qf2 (10.Qh3 d5 11.Qd3 dc4 12.Qd8 Kd8 13.Bh8–+) 10...Bc5 (10...Nf6 11.e5 Ng4 12.Qf3–+) 11.Bd4?? (better is 11.Qe2 Rh6 12.Bg8–/+) 11...Bd4–+ 12.Qd4 Rh6 (better is 12...Qf6 13.e5 Qg6–+) 13.Bg8 (13.Qd5 Qf6 14.Nc3 c6 15.Qg8 Qf8 16.Qg5 Qf6 17.Qg8 Qf8 18.Qf8 Kf8+/–) 13...c5 (better is 13...Qf6!? 14.Qf6 Rf6–/+) 14.Qd5= Nc6?? (better is 14...Qf6 15.Qa8 Qa1=) 15.Qf7 1–0. Trkn – Steve Gerrity, itsyourturn.com, 2000.

    4...Bc5

    5.Nc3+= a6 6.Qh5 (6.Qg4 Kf8 (6...g6 7.Qh4 d6 8.Nf3 h5 9.Qg3 g5) 7.Qg3 b5= 8.Bb3 Bb7 9.Nf3 b4; 6.Bg8 Rg8 7.Qh5 Kf8 8.Qh7 Kf7 9.Qh5 g6) 6...g6 7.Qh4 Bd4 (7...Nc6!? 8.Nf3 (8.Bg8 Rg8 9.Qh7 Kf8) 8...h5= (8...Nce7 9.Nd5 b5) 9.Qg3 g5; 7...d6 8.Nf3 h5 9.Qg3 g5) 8.Nf3+/– (8.Bg8 Rg8 9.Qh7 Kf8) 8...Bc5?? (better is 8...Nc6 9.Nd4 (9.Bg8 Bc3) 9...Nd4+/–; 8...Bc3 9.Bc3 Qe7) 9.Ne5!+– fe5 10.Bf7!! Kf7 11.Qd8 Nc6 12.Qh4 (12.Qc7?! Nf6 13.Na4 Ne8 14.Qc6 bc6 15.Nc5 d6+/–) 12...Nf6 (12...Be7 13.Qg3 Nf6 14.0–0+–) 13.f4 Nd4 (13...Bd4 14.0–0–0 Kg7+–) 14.fe5 Nh5 (14...Ng4 15.Qg4 Rf8 16.Na4+–) 15.Nd5 Nc2 (15...Ne6 16.d4! Bf8 17.0–0 Kg7 18.g4+–) 16.Kd1 Na1 17.Rf1 Ke6 (17...Kg7 18.e6 Kh6 19.Bf6 Be3 20.Ne3 de6 21.Qg5) 18.Nc7 1–0. pereira – tzaio, internet, 2009.

    5.Nc3 c6 6.Nh3 (6.Qf3!?+=) 6...Nh6= 7.0–0 (7.Qh5 Kf8=) 7...d6 8.Qh5 Nf7?? (better is 8...Kf8=) 9.Qf7 1–0. mtr – SANT, internet, 2009.

    5.Nc3 Nc6 6.Nf3=.

    5.Nc3+= d6 A) 6.Nf3 Nd7 (6...c6 7.0–0 b5 8.Be2 Ne7 9.d4 ed4; 6...Nc6 7.0–0 Bg4 8.Na4 Nge7 9.h3 Bh5; 6...Bg4 7.Na4 Nd7 8.h3 Bh5 9.0–0 Nb6; 6...Ne7 7.0–0 Bg4 8.h3 Bh5 9.Na4 Nbc6) 7.d4 ed4 8.Nd4 Bd4 9.Qd4 Ne7; B) 6.Rb1 Nc6 (6...a6 7.Nf3 f5 8.Qe2 Nc6 9.ef5 Bf5; 6...Ne7 7.Qh5 g6 8.Qf3 Nd7 9.Na4 Nc6; 6...Bd7 7.Bc1 b6 8.Nf3 Ne7 9.0–0 Nbc6; 6...Qd7 7.Qh5 g6 8.Qh4 Ne7 9.Nge2 Qg4) 7.Bg8 Rg8 8.Qh5 g6 9.Qh7 Be6; C) 6.Nge2 Nc6 (6...c6 7.Rb1 f5 8.Na4 b5 9.Nc5 bc4; 6...Nd7 7.d4 ed4 8.Nd4 Bd4 9.Qd4 Ne7; 6...Ne7 7.Na4 Bb4 8.c3 Ba5 9.Qb3 c6; 6...Nh6 7.Na4 Bb4 8.Rb1 c6 9.a3 Ba5) 7.Na4 Bb4 8.0–0 Nh6 9.d4 ed4; D) 6.Na4 Bb4 7.a3 Ba5 8.Bg8 Rg8 9.Qh5 g6.

    5.Nc3+= Ne7 A) 6.Na4 Bb4 (6...Bd6 7.Qh5 g6 8.Qh4 Nec6 9.Nc3 Nb4) 7.a3 Ba5 8.Qh5 g6 9.Qf3 Rf8; B) 6.Qh5 g6 7.Qh4 d6 8.Na4 Nec6 9.Nc5 dc5.

    5.Be5 Qe7 6.Bc7 d5 7.Bb5 Nc6 8.Qe2 de4 9.Nc3 Bf5.

    5.f4 d6–/+ 6.fe5 de5 7.Qh5 g6 8.Qh4 Be7 9.Bg8 Rg8 10.Qh7 Rf8?? 11.Qg6+/– Kd7 12.Nf3 c6 13.Nc3 Kc7 14.0–0–0 Be6 15.d4 Rg8 16.Qh7 Rh8 17.Qg7 Rg8 18.Qh6 Rh8 19.Qe3 Qg8 20.de5 fe5 21.Ne5?? Bg5–+ 22.Rd3 Be3 23.Re3 Qg2 24.Rhe1 Rh2 25.R3e2 Qg5 26.Kb1 Re2 27.Ne2 Qd2 28.Bc3 Qe3 29.Nd4 Qc3 30.Ne6 Kd6 31.Nd3 Ke6 32.Rh1 Nd7 33.Rh6 Kf7 34.Rh7 Ke8 35.e5 Qc4 36.Rh8 Nf8 37.Kc1 Ke7 38.Rh5 Rd8 39.Rh3 b5 40.a3 a5 41.Rg3 Ke6 42.Rf3 Nd7 43.Rh3 Rf8 44.Rh6 Kf5 45.Rh1 Ne5 46.Rf1 Ke4 47.Re1 Kd5 48.Re5 Kd6 49.Re1 Rf3 50.Rd1 b4! 51.Nb2 Qd5! 52.Rd5 Kd5 53.ab4 ab4 54.Na4 c5 55.Kb2 c4 56.Nb6 Kc5 57.Nd7 Kb5 58.Ne5 c3 59.Kb3 Rf5 60.Nc4 Rf4 61.Nd6 Kc5 62.Nc8 Rf3 63.Ne7 Rf4 64.Ng6?? Rf5 65.Ne7 Rf2 66.Ng6 Rc2 67.Kc2–/+ Kc4 68.Ne5= Kb5 69.Kb3 Kc5 70.Nd3 Kd4 71.Nb4 Ke3 72.Nc2 Kd2 73.Na3 c2 74.Kb2?? c1Q–+ 75.Kb3 ½–½. orangutanb4 (1950) – llapiani (1730), kurnik, 2011.

    5.Bg8 Rg8

    6.Qh5 Kf8 7.Qh7 d5 8.Ne2 Be6 (8...Kf7 9.ed5 Qd5 10.0–0=) 9.f4 (9.d4 Bb4 10.Bc3 Bd6+=) 9...d4 10.fe5 fe5 11.0–0 (11.Ba3 Qd6 12.Bc5 Qc5=) 11...Ke7+= 12.d3 Nd7 (12...Kd7 13.Nd2+=) 13.Ba3 (13.Ng3 Kd6=) 13...Kd6 (13...Ba3!? 14.Na3 Nf6 15.Rf6 Kf6+=) 14.Qg6= Ba3 (14...Qh4 15.Bc5 Nc5 16.Ng3=) 15.Na3+= Qh4? (15...Qe8 16.Nb5 Kc6 17.Nbd4 ed4 18.Nd4 Kd6 19.Qg3 Ke7 20.Qg5 Kd6 21.Nb5 Kc6+/–) 16.Nb5+– Ke7 17.Nc7 (better is 17.Ned4 ed4 18.Qe6 Ke6 19.Nd4 Kd6 20.Nf5 Ke6 21.Nh4+–) 17...Nf6? (better is 17...Qg4 18.Qg4 Bg4 19.Na8 Be2+–) 18.Na8 Ng4 (18...Qg4 19.Qg4 Bg4 (19...Ng4?? 20.Nc7+–) 20.Nd4 ed4+–) 19.h3 Nf6 (19...Qh6 20.Qh6 gh6 21.hg4 Ra8 22.Rab1+–) 20.Nc7 Bh3 (20...Bf7 21.Nd5! Bd5 22.ed5 Qh8+–) 21.Nd5 Nd5 22.Qf7 Kd6 23.Qd5 Kc7 24.Rf7 Kb6 (24...Kc8 25.gh3 Qg5 26.Kh1 Qe7 27.Re7 Rf8 28.Qb7 Kd8 29.Qc7) 25.Rb7 Ka6 26.Qb5 1–0. Janek – Murad, internet free game, 2017.

    6.Qh5 Kf8 7.Qh7 Kf7 8.Qh5 g6 9.Qh7 Rg7.

    5.Qh5 g6+=

    6.Qf3 Nc6 7.Ne2 d6 8.a3 a6 (8...Nh6 9.Nbc3–/+) 9.0–0 Bd7 10.c3 Qe7 11.d4 ed4 (11...Bb6!?+=) 12.cd4+= Bb6 13.Nbc3 0–0–0? (better is 13...f5!?+=) 14.Nd5+/– Qg7 15.Nb6 cb6 16.a4 Kb8 (16...f5 17.Qa3 Qe7 18.Rac1+/–) 17.Ba3 h6 (17...Bc8!?+/–) 18.Bd6+– Ka8 19.Qg3 h5 20.Rab1 h4 21.Qa3 Na5 (better is 21...h3 22.g3 Bg4+–) 22.Ba6! ba6 (22...h3 23.Rb6 Bc8+–) 23.Rb6 Bg4 (23...Rh5 24.Rfb1 Ba4 25.Ra6 Qa7 26.Ra7 Ka7 27.e5 Bb5 28.Qa5 Kb7 29.Qb5 Kc8 30.Qc6) 24.Ra6 Kb7 25.Rb1 (25.Qc5 Ka6 26.Qb5 Ka7 27.Qa5 Kb7 28.Rb1 Kc8 29.Rb8 Kd7 30.Rd8 Ke6 31.Qd5) 25...Ka6 26.Qd3 Ka7 (26...Nc4 27.Qc4 Ka7 28.Bc5 Ka8 29.Qa6 Qa7 30.Qa7) 27.Bc5 Ka8 28.Qa6 1–0. DEFFM – GuestMHSD, freechess.org, 2018.

    6.Qh4 Nc6 7.Nf3 d6 8.Nc3 Nb4 (8...f5!? 9.Qd8 Kd8=) 9.0–0–0+= a6 (9...f5!? 10.Bf7 Kd7+=) 10.d4+/– ed4 11.Nd4 Bd4 12.Rd4 Nc6 13.Bg8 Ne5?? (better is 13...Nd4 14.Nd5 Rg8 15.Nf6 Kf7 16.Bd4 Be6+–) 14.Bb3 c5 (14...h5 15.f4 g5 16.Qf2 gf4 17.Rd2+–) 15.Nd5 cd4 16.Nf6 Kf8 (16...Ke7 17.Bd4 Be6 18.Be5 Kf7+–) 17.Qh6 Ke7 18.Qg7 Nf7 19.Qf7 1–0. pierred – anony, internet, 2014.

    6.Qh4 Qe7 7.Ne2 Nc6 8.a3 d6 9.0–0 Be6 10.Bb5 Bd7 11.c3 Bb6 12.d4 0–0–0 13.a4 a6 14.Bc6 Bc6 15.d5 Bd7 16.a5 Ba7 17.Nd2 Qf7 18.c4 g5 19.Qg3 Ne7 20.Rab1 h5 (better is 20...Qh5!? 21.Rfe1 Bg4+=) 21.Qb3+= Kb8 (21...Bg4 22.Nc1 Kb8 23.Be5+=) 22.Be5+/– Bc8 23.Bd4 Ng6 (better is 23...h4!?+/–) 24.Rfc1 Bc5 25.Qb2 Ne5 26.Rc3 Qd7 (26...Rhe8!?+/–) 27.Rb3+– c6 28.Bc5 dc5 29.Rb6 cd5 30.cd5 Rhf8 31.Ra6 Rf7 (31...Qc7+–) 32.Qb6 Qe8 (32...Qe7 33.Nc3 Bg4 34.Nb5+–) 33.d6 (better is 33.Qa7 Kc7 34.Qc5 Nc6 35.Qb6 Kb8 36.dc6 Qc6 37.Qc6+–) 33...Nc6 34.Qc6 (better is 34.Qc5 Qf8 35.Nc4 Rd6 36.Nd6+–) 34...Rfd7 (34...Qc6 35.Rc6 Be6+–) 35.Nc4 Qe6 36.Qc5 (36.Nb6 bc6 37.Nd7) 36...b5 37.Rb5 Rb7 (37...Bb7 38.Qa7 Kc8 39.Nb6) 38.Qa7 1–0. Bychkova,Ekaterina – Belova,Margarita, UKR–ch U14 sf, 2004.

    4...c6

    5.a3 Be7 6.Qh5 g6 7.Qh4 d5–/+ 8.ed5 cd5 9.Bb5 Bd7 10.Bd7 Qd7 11.Nf3 Nc6 12.0–0 0–0–0 13.Nc3 Kb8 14.Rab1 Ka8 15.a4 a6 16.a5 d4 17.Na4 Ka7 18.Nb6 Qf5 19.c3 d3 20.Nc4 e4 21.Nd4 Nd4 22.cd4 Qd5 23.Rfc1 f5 24.Qg3 Nf6 25.Qc7 Rd7 26.Qb6 Ka8 27.Ba3 Bd8 28.Bc5? Bb6–+ 29.Nb6 Kb8 30.Nd5 Nd5 31.Rb3 Rc8 32.Ba7=+ Ka7 33.Rc8 Nf4 34.Kf1 Ne2 35.d5=+ Nd4 36.Rb1 Nb5 37.Rc5 Na3 38.Rb3 Nb5 39.f3 Nd4 40.Rb6 ef3 41.d6 fg2–/+ 42.Kg2 Nb5 43.Rd5= Na3 44.Rd3?? Nc4–+ 45.Rb4 Rd6?? 46.Rd6= Nd6 47.Rb6 Ne4 48.d3 Nc5 49.Rd6 Kb8 50.d4 Nb3 51.Rd7 Kc8 52.Rh7 Nd4 53.Rg7 f4? 54.Rg6+– f3 55.Kf2 Kc7?! 56.Rg4 Kd6 57.Rd4 Kc5 58.Rd3 Kb4 59.Rf3 Ka5 60.Rb3 b5 0–1. orangutanb4 (1890) – lojzek (1840), kurnik, 2011.

    5.a3 Bf8 6.Bg8 Rg8 7.Qh5 g6 8.Qh7 Rg7 9.Qh8 Qe7 10.f4 Rh7 11.Qg8= d6 12.Qg6 Qf7 13.Qf7 Rf7 14.f5 d5 15.d3 d4 16.Nf3 Bh6 17.Nbd2 Be3? 18.Nc4+– Ke7 19.Ne3 de3 20.Ke2 Nd7 21.Ke3 Nb6 22.a4 Bd7 23.a5 Nc8 24.Ba3 Kd8 25.g4 Kc7 26.h4 Ne7 27.g5 b6 28.gf6 Ng8 29.Ne5 Rf6 30.Nd7 Kd7 31.Bb2 Rh6 32.ab6 Nf6 33.Bf6 Rf6 34.Ra7 Ra7 35.ba7 Rf8 36.Rg1 Kc7 37.Rg7 Kb6 38.h5 c5 39.h6 c4 40.h7 cd3 41.cd3 Kc5 42.Rg8 Rf7 43.a8Q (43.a8Q Re7 44.Qd5 Kb6 45.Rb8 Kc7 46.Rb7 Kc8 47.h8Q Re8 48.Qe8) 1–0. orangutanb4 (1890) – deres54 (1770), kurnik, 2011.

    5.Bb3 Ne7 6.Qh5 g6 7.Qh4 g5 8.Qh5 Ng6 9.h4 d6 10.hg5+= fg5?? 11.Qg6!!+– hg6 12.Rh8 Kd7 13.Rd8 Kd8 14.Na3 Na6 15.c3 Bc5 16.d4 ed4 17.cd4 Bb4 18.Ke2 Bg4 19.Nf3 Bh5 20.Nc4 Kc7 21.a3 Re8 22.ab4 Re4 23.Ne3 g4 24.Ng5 g3 25.Kd2 gf2 26.Ne4 Nb4 27.g4 Bg4 28.Ng4 a6 29.Ngf2 d5 30.Bc3 c5 31.Nc5 Kc6 32.Bb4 1–0. Trokenheim,Marek (2160) – Klebe,Dieter (1645), RSX16E4 – Sokolsky–1, 2010.

    5.Nc3 Ne7 6.Qh5 g6 7.Qh4 d5 8.ed5 (8.Bb3 Nd7–/+) 8...Nf5 (8...Nd5 9.Nd5 Bd2 10.Kd2 cd5 11.Bd3+/–) 9.Qe4 Nd6 10.Qe2 Bc3 11.Bc3 Nc4 12.Qc4 cd5 13.Qb3 0–0 14.Ne2 Nc6 15.0–0 Rb8 16.d4 (16.f4 Be6–/+) 16...Be6 17.de5 fe5 18.f4 e4 19.Nd4 Qe7 20.Kh1 Rbc8 21.Qa4 Qd7 22.h3? (better is 22.Rae1!?–/+) 22...Bh3–+ 23.Ne2 (23.gh3 Qh3 Double attack) 23...e3 (better is 23...Qg4 24.Rf2 Qh4–+) 24.Ng1? (24.Rf3 Bg4 25.Re3–+) 24...Bg2! 25.Kg2 Qg4 26.Kh2 b5! 27.Qb5 (27.Qb3 Rf5 28.Rf3 Rh5 29.Rh3 Qf4 30.Kh1 Qe4 31.Kh2–+) 27...Rf5 28.Rf3 (28.Nh3 Rh5 29.Qd5 Rd5–+) 28...Nd4!! (28...Nd4 29.Rg3 A) 29...Rc3?! 30.Qe8 (30.Rg4?? Nb5 31.Rc1 Nd4–+) 30...Rf8 31.Qf8 (31.Rg4 Re8 32.Rg2 e2–+) 31...Kf8 32.Rg4=; B) 29...Qh4 30.Nh3 Nb5–+) 0–1. Schuetzbach,Gerd (2015) – Dietrich,Udo (2350), RSX16E4 – Sokolsky–1, 2010.

    5.Ne2 d5 6.Bb3–/+.

    5.Ne2 Ne7 6.0–0 (6.a3 Ba5–/+) 6...d5 7.ed5 (7.Bb3 de4 8.Ng3 Nd5–/+) 7...cd5 8.Bb3 Be6 (8...0–0 9.a3 Bd6 10.Nec3–/+) 9.c3 (9.d4 Nbc6–/+) 9...Bd6 10.d4 (10.Ng3 Qd7–/+) 10...0–0–+ 11.Nd2 Qc7 12.Rc1 e4 (12...b5 13.Ne4–/+) 13.c4–/+ Nbc6 14.cd5 Bd5 15.Ne4 (15.Nc3 Bh2 16.Kh1 Bb3 17.Qb3 Rf7+=) 15...Bh2+= 16.Kh1 Bd6?? (better is 16...Bf4 17.Bd5 Nd5+=) 17.Bd5+– Nd5 18.Qb3 (18.Qb3 Rad8 19.Qd5 Rf7 20.Qe6+–) 1–0. Roczniak,Jan – Balchan,S, corr Poland–chT5, 1981.

    5.Be5? Qe7 6.c3?? (6.Bg8 Qe5 7.c3–+) 6...Qe5–+ (6...fe5 7.cb4 Nf6 8.Nf3 Ne4 9.Nc3 Nc3 10.dc3–/+) 7.Bg8 Rg8 8.Qb3 Qe4 9.Ne2 (9.Kf1 Qd3 10.Ne2–+) 9...d5 10.f3 Qe7 (10...Qg6 11.Nf4 Qg5 12.Qb4–+) 11.cb4 Kf7 12.Nbc3 Re8 13.0–0 (13.0–0 a5 14.ba5 Qc5 15.d4 Qa5 16.Rae1–/+). Mothes,Rainer – Harm, corr, 1988.

    5.f4 ef4 6.Bg8 Rg8 7.Qh5 Ke7 8.Qh7 Na6 9.Ne2= Bd6 10.d4 Qf8 11.Nd2 Kd8=+ 12.0–0 g5 13.Qh5 Nb4–/+ 14.c4? Kc7 15.c5=+ Be7 (15...Be7 16.Qf3 Nc2=+). msmsk – Floppie, playchess.de, 2001.

    5.Bg8 d5 6.ed5 Rg8 7.Qh5 (7.dc6 bc6 8.a3 Bc5 9.Qh5 Kf8=) 7...g6+= 8.Qh7 Qd5 9.Ne2 Na6 10.0–0 Bd7 (10...Qf7 11.Qh4–/+) 11.Nbc3 Qe6 12.a3 Ba5 13.Nd4?? (13.f4 Bc7=) 13...Qf7 (13...ed4 14.Rfe1 0–0–0 15.Re6 dc3 16.Bc3 Bc3=) 14.Qf7+= Kf7 15.Nb3 Bc3 (15...Bc7 16.Rfe1+=) 16.Bc3 c5 17.d3 Bc6 (17...g5 18.Rfe1+=) 18.Nd2 (18.f4 e4=) 18...Nc7 19.Nc4 b6 (19...Nd5 20.Bd2+=) 20.Rae1 (20.Rae1 Bd5 21.Ne3+=). Brinkmann,Wilhelm – Bivens,William H, corr ICCF TT–4–90, 1990.

    5.a3 Ba5

    6.Nc3 Ne7 7.Qh5 g6 8.Qf3 Rf8 9.Nge2 d5 (better is 9...f5!? 10.Bb3 d6–/+) 10.ed5= cd5 11.Nd5 Nd5 (11...Be6 12.Bb5 Nec6 13.Nec3=) 12.Bd5+= Nc6 13.0–0 (13.Bc6 bc6 14.Qc6 Bd7+=) 13...Bd7 (13...Ne7 14.Bc4= (14.Bb7? Bb7 15.Qb7 Rb8 16.Qa7 Rb2–+)) 14.Ng3 (14.d4 Qc7+=) 14...Qc7 15.a4 (15.Rfd1 Ne7+=) 15...0–0–0 (15...Bd2 16.Ne4 Bb4 17.Nf6 Ke7 18.Ng8 Kd8 19.Qg3+=) 16.c3 f5 17.Ba3 e4 18.Qd1 Ne5 (better is 18...Rfe8=) 19.Rb1+/– Nd3?? (better is 19...Bc6 20.Bc6 Qc6 21.Bf8 Rf8+/–) 20.Bb7+– (20.Bf8 Rf8 21.Rb7 Qc5+/–) 20...Kb8 (20...Qb7 21.Rb7 Kb7 22.Qb3 Bb6 23.Bf8 Rf8+–) 21.Be4 Kc8 22.Bd3 f4 (22...Rf6 23.Be7 Re6 24.Bd8 Kd8+–) 23.Ba6 Qb7 24.Bb7 (24.Bb7 Kc7 25.Qf3+–) 1–0. DEFFM – GuestJTYS, freechess.org, 2018.

    6.Qh5 g6 7.Qf3 b5 8.Ba2 Bb7 (better is 8...Nh6!?–/+) 9.Be5+= d5 10.Bb2 (better is 10.Bc3+=) 10...Nh6?? (better is 10...Qe7+=) 11.Bf6+– (11.Qf6?! Qf6 12.Bf6 0–0+/–) 11...Qd7 (11...Rf8 12.Bd8 Rf3 13.Ba5+– (13.gf3?! Kd8 14.Nh3 Nd7+–; 13.Nf3?! Kd8 14.ed5 cd5+–)) 12.Bh8 1–0. DEFFM – GuestRFZK, freechess.org, 2018.

    6.Nc3 Bc3

    7.dc3 d5 8.ed5 cd5 9.Qd5 Qd5 10.Bd5 Ne7=.

    7.dc3 d5 8.ed5 cd5 9.Bd5 Qb6 10.Rb1 Nc6 11.Ne2 Bd7 (11...Nge7 12.c4 Qa5 13.Qd2 Qd2 14.Kd2+=) 12.0–0 0–0–0 (12...Rd8 13.c4 Qc7 14.f4=) 13.c4 Qc7 14.Nc3 Nge7 15.Nb5 Qb8 16.c5 Nd5 (16...Nf5!?+=) 17.Nd6+/– Kc7 18.Qd5 Ne7? (better is 18...Be8+/–) 19.Qf7+– Rdf8 (19...Nc6+–) 20.Qe7 Re8 (20...Qd8 21.Qg7 Rhg8 22.Qh7 Rh8+–) 21.Nb5 (better is 21.Qg7 Qd8 22.Bc3+–) 21...Kc8 22.Nd6 Kc7 23.Qg7 Rhg8 (23...Qd8 24.Rfd1 Qe7 25.Ne8 Re8 26.Be5 fe5 27.Rb7 Kc6 28.Rbd7 Qg7 29.Rg7+–) 24.Ne8 Qe8 25.Qf6 Rg2 (25...Kc8 26.Be5 Rg6+–) 26.Kg2 Qg8 27.Kh1 Qd5 28.f3 Bh3 29.Be5 Kd7 (29...Kc8 30.Rfd1 Bg2 31.Kg2 b6 32.Qf8 Qd8 33.Qd8 Kb7 34.Rd7 Ka6 35.Rb6 ab6 36.Qb6) 30.Rb7! Qb7 (30...Qb7 31.Rd1 Mate attack) 31.Rd1 Kc8 (31...Qd5 32.Rd5 Kc8 33.Qc6) 32.Qh8 1–0. DEFFM – ChessCelebrity, freechess.org, 2018.

    7.dc3 Ne7 8.Qd6 b5 9.Bb3 Bb7–/+.

    7.dc3= Ne7 8.Qh5 g6–/+ 9.Qh6 d5 10.0–0–0 Be6 11.Qg7 (11.Bd3 Nd7 12.Qg7 Rg8 13.Qh7 Qb6–+) 11...Rf8 12.Qh7 (12.Nf3 Nd7 13.Bd3 Nc5 14.Qh7 Qd6–/+ (worse is 14...de4 15.Be4 Qb6 16.Bg6 Ng6 17.Qg6 Rf7 18.Nh4+/–)) 12...Nd7 13.ed5 (13.Bd3 Nc5 14.Nf3 Qd6–/+ (worse is 14...de4 15.Be4 Qb6 16.Bg6 Ng6 17.Qg6 Rf7 18.Nh4+=)) 13...cd5 14.Bd3 f5 (14...Qb6 15.Nh3–/+) 15.a4 (15.Bb5 a6 16.Ba4 b5+=) 15...a6 (15...e4 16.Bb5+=) 16.Nh3 Bg8 (16...Nc5 17.Ba3 Qd6 18.Kb1+=) 17.Qh4 Nf6 Black prepares the advance e4 (17...Nc5 18.Rhe1 Qd6 19.Qg3+=) 18.Ng5 (18.Rhe1 Qd6=) 18...Qd7 (18...Qc7 19.f4 e4 20.Be2+=) 19.Ba3 (19.c4 e4 20.Bf6 Rf6 21.Ne4 fe4 22.Qf6 ed3 23.Rd3 Qf5 24.Qf5 gf5+/–) 19...0–0–0 20.Rhe1 e4 (20...Qc7=) 21.a5 (21.Be2!?=) 21...Rde8 (21...ed3 22.Be7 Ne4 A) 23.Bf8?? d2 24.Kb2 de1R (24...de1N?! 25.Ne4 Rf8 26.Nd6 Qd6 27.Re1–+; 24...de1B?! 25.Ne4 Rf8 26.Nd6 Qd6 27.Re1–+) 25.Re1 Rf8–+; B) 23.Ne4 de4 24.Bd8 Rd8 25.cd3–/+) 22.Bf1 (22.Be2 Qa4 23.Kb2 Qa5+=) 22...Qa4–/+ 23.Bb4? (better is 23.Kb2 Qa5 24.Qf4–/+) 23...Qa1?? (better is 23...d4 24.Rd4 Nc6–+) 24.Kd2= Qa4 25.Ra1 Qd7 26.Qg3 (26.Kc1 d4 27.Rd1 Qc7 28.cd4 Nfd5+=) 26...Nh5 (26...d4!? 27.Qd6 Nfd5+=) 27.Qd6+= Qd6 28.Bd6 Rf6 29.Be5 Rc6 (29...Rff8 30.Bd4+=) 30.g3 (30.f3 Be6+=) 30...Nf6+= 31.h4 Ng4 32.Bd4 Nh2 (32...Rd6 33.f3 ef3 34.Nf3+=) 33.Be2+/– Ng4 34.f3 (34.Rab1 Kb8+/–) 34...Nh6 (34...Nf6 35.f4+=) 35.Rab1 (35.Nh3 Nf7+/–) 35...Nf7+= 36.Nf7 (36.Bb6 Nd6 37.Rb3 ef3 38.Bf3 Ne4 39.Kc1 Ng3=) 36...Bf7 37.Rb2 Rc7 38.Bb6 Rd7 39.Ke3 (39.f4 Be6+=) 39...Nc6 (39...d4 40.Bd4 Nc6 41.f4 Na5 42.Rb4=) 40.f4+= d4?? (better is 40...Be6+=) 41.cd4+– Bd5 (41...Kb8 42.c4+–) 42.c4 Bg8 43.d5 Nb8 (43...Ne7 44.Kf2+–) 44.Bd4 (44.Reb1 Bf7+–) 44...Red8 (44...Rh7 45.Rb6 Bf7 46.Reb1+–) 45.Reb1 Bf7 (45...Bh7 46.Rb6 Rf7 47.Be5+–) 46.Rb6 Rg8 (46...Rf8 47.g4 Be8 48.Be5+–) 47.Be5 Re8 (47...Rf8 48.g4 Rg8 49.Rf6+–) 48.g4 (48.Bd1 Ree7+–) 48...Rg8 (48...Rde7 49.gf5 gf5 50.Rf6+–) 49.Rf6 fg4 (49...Re7 50.gf5 Nd7+–) 50.Bg4 Bd5 51.cd5 Re8 52.Bb8 Kb8 53.Bd7 Rd8 54.Bc6 1–0. DEFFM – abracadabras, freechess.org, 2018.

    7.Bc3 d5 8.Ba2!?=.

    7.Bc3 d5 8.ed5 cd5+= 9.Bb3 (9.Bb5 Nc6 10.Qh5 g6–/+) 9...Ne7 10.Nf3 (10.Qh5 g6 11.Qe2 0–0–/+) 10...0–0–/+ 11.0–0 Nbc6 12.Qe2 Bg4 (12...Be6 13.Rfe1–/+) 13.Rab1 (better is 13.Rfe1–/+) 13...e4?? (better is 13...Qd6–/+) 14.Qe4+/– Bf3 (14...Qd7 15.h3 Be6 16.Qe3+/–) 15.Qf3 (15.gf3?! Kh8 16.Qg4 Ne5=) 15...Kh8 (15...Qd6 16.Rfe1+/–) 16.Rfe1 d4 (16...Qd6 17.Qe2+/–) 17.Bb2 (17.Bb4 Nb4 18.ab4 Qc7+/–) 17...Rb8 (17...Qa5 18.c3 Rad8 19.a4+=) 18.c3 (18.Re4 Qa5 19.c3 dc3 20.Bc3 Qf5+/–) 18...Ne5 (18...Ng6 19.Qh3+/–) 19.Qe4 dc3 (19...d3 20.c4+/–) 20.Bc3+– N7g6 (20...Qc7 21.f4 N5g6 22.Re3+–) 21.d4 Nc6 (21...Nf7 22.Qg4+–) 22.d5 (22.Be6 Re8+–) 22...Nce5 23.Qd4 (23.h4 Rc8 24.Re3 Nd7+/–) 23...Re8 (23...Rc8+–) 24.f4 Nf7 25.Re8 Qe8 26.Bb4 White intends d6 (26.d6 Qd7+–) 26...Rd8 (better is 26...Qd7+–) 27.Re1 Qb5 28.Bc4 Qa4 (28...Qd7 29.d6 Nh6+–) 29.d6 Nd6 30.Bd6 b5 (30...h6 31.Qc5 Qd7+–) 31.Bb4 Rc8 (31...Rd4?? 32.Re8 Nf8 33.Rf8) 32.Qd7 1–0. DEFFM – Maimaki, freechess.org, 2018.

    5.Bb3 d5

    6.a3 Bc5 7.ed5 cd5 8.d4 ed4 9.Ne2–/+.

    6.f4 ef4 7.ed5 (7.Qh5 g6 8.Qe2 Ne7–/+) 7...cd5 (7...Qe7 8.Ne2–/+) 8.Qh5+= g6 9.Qd5 Qd5 (9...Qe7 10.Kd1 Bd7 11.Nf3=) 10.Bd5 Be7 (10...Nc6 11.Ne2+=) 11.Nf3 (11.Ne2 Nc6=) 11...Nd7 (11...Nc6 12.Nd4 Bd7 13.0–0+=) 12.Ng5 (12.0–0 Nb6 13.Bb3 Bd7=) 12...Nh6 (12...Ne5 13.Rf1+=) 13.0–0 (13.Ne6 Bd6 14.0–0 Nb6=) 13...Nb6+= 14.Bb3 Bf5 15.Re1 (15.Rf4 Bc5 16.Kf1 fg5 17.Rf5 Nf5 18.Bh8 Kd7+=) 15...Kd7+= 16.Ne6 (16.Nf3 Rac8+=) 16...Be6 (16...Rhe8 17.Nc3+=) 17.Re6 (17.Be6 Kc6=) 17...Rhf8 (17...Rhe8!? 18.Bd4 Nf5+=) 18.Nc3 Bc5 (18...Nf5 19.Re4=) 19.Kh1 Ng4 20.h3 (20.Ne4 Be7=) 20...Ne5 (20...Nf2 21.Kh2+=) 21.Ne4= Be7 22.Be5 fe5 23.Re5 Bf6 (23...Kd8 24.Re1=) 24.Nf6 Rf6 25.Rae1 (25.d4 Rd8=) 25...Rh8 (25...Rd8 26.d4=) 26.a4 (26.c4 Kc6+=) 26...Kc7 (26...Rd6 27.a5 Nc8 28.Bd5+=) 27.Re7+/– Kc6 28.a5 (28.R1e4!?+/–) 28...Nc8= 29.Ba4 (29.R7e4 Rf5+=) 29...b5 30.ab6 Kb6 31.Rb1 Ka5 32.Re4 Nd6? (better is 32...Rb6 33.Ra1 Rb2+/–) 33.Reb4+– Threatening mate: Bc6 (33.Reb4 a6 34.c4+–) 1–0. Mikhaylov,Dimitry – Oleinik,Alexei, Kishinev MDA Open Binefacere, 2007.

    5.c3 Ba5

    6.Ba3 d5–/+ 7.ed5 (better is 7.Bd3!?–/+) 7...cd5–+ 8.Bb3 Nc6 9.Ne2 Nge7 10.0–0 0–0 11.d3 Kh8 (11...Bg4 12.h3 Bh5 13.Bb2–+) 12.Nd2 f5 (12...Bg4 13.Rc1–+) 13.c4 d4 14.f3 (14.Ba4–/+) 14...g5 (14...Bc3!? 15.Rc1 Bb4 16.Bb4 Nb4 17.Nb1–+) 15.c5 (15.Ba4 Bb4 16.Bb4 Nb4+=) 15...Rf6 (15...f4 16.Ne4 Nf5 17.Bc4–+) 16.Nc4 (16.Rb1+=) 16...Bc7 (16...Nd5!? 17.Na5 Qa5 18.Bd5 Qa3–/+) 17.Nd6= Bd6 18.cd6 Ng6 (18...Rd6 19.Bd6 Qd6 20.Ng3=) 19.Rb1 (19.Ba4 Rd6 20.Bd6 Qd6+=) 19...Qd7 (19...a5 20.Qd2=) 20.Qc2 (20.Qc1!? f4 21.Qc4+=) 20...b6= 21.Bd5 Bb7 22.Rfc1 Rc8 23.Qa4 Ba8 (23...Kg7 24.Qb3=) 24.Rc2 Nf8?? (better is 24...Kg7+=) 25.Rbc1+– Ne6 (25...Nb8 26.Qd7 Nbd7 (26...Nfd7?? 27.Rc8 Kg7 28.Ba8+–) 27.Rc8 Bd5+–) 26.Ng3 (better is 26.Rc6 Rd8 27.R1c4+–) 26...Ned8? (26...Nc5 27.Bc5 bc5 28.Rc5 Rd6+= (worse is 28...Qd6 29.Bc6 Bc6 30.Qa7+/–)) 27.h3 Rg6 Black intends g4 28.Qb5 g4 (28...Bb7!?+/–) 29.fg4 fg4 30.Rf1 (better is 30.hg4 a6 31.Qa6 Qg4 32.Nf1+–) 30...gh3?? (better is 30...Ne6 31.hg4 Nc5 32.Bc5 bc5+–) 31.Rf8 Kg7 32.Rg8 Kh6 33.Bc1 1–0. Tagirov,Kajum K (1900) – Gorshkov,Nikita, Championship Ufa, 2012.

    6.Qb3 Nh6 7.Nf3 Qb6 (7...Na6 8.Ba3+=) 8.Qc2 (8.0–0 Qb3 9.ab3 Bc7=) 8...Qd8 9.0–0 Bb6 (9...d5!? 10.Bb3 0–0=) 10.d4 d5 11.ed5 (better is 11.Bb3!? 0–0 12.Ba3+=) 11...cd5+= 12.Bb5 Bd7 (better is 12...Nc6!? 13.de5 0–0 14.ef6 Bf5+=) 13.Bd7+= Nd7 14.de5 (better is 14.Qb3!? Qe7 15.Qd5=) 14...fe5 (14...Ne5 15.Nbd2 0–0 16.Ba3–/+) 15.Qd2 (15.Qd1 Nc5 16.Ne5 0–0–/+) 15...e4 (15...Nf6 16.Qe2 0–0 17.h3–+ (worse is 17.Ne5 Re8–+)) 16.Nd4? (16.Qd5!? Nf6 17.Qb3=) 16...Bd4 (better is 16...Nc5!?–+) 17.Qd4–/+ Nf6 (17...Qb6 18.Qb6 Nb6–/+ (18...ab6?! 19.c4 Nf5 20.cd5=)) 18.c4= 0–0 19.cd5 (better is 19.Nc3!?=) 19...Qd5–/+ 20.Qb4 a5 21.Qa3 (21.Qb3 a4 22.Qb4 Nfg4–/+) 21...Kh8 (21...Nfg4!? 22.Qc3 Nf5–/+) 22.Nc3+= Qh5 23.Rae1 Rae8 (23...Rfe8 24.Ne2+=) 24.h3 (24.Ne4 Ne4 25.Re4 Rg8+/–) 24...Nhg4? (better is 24...Qg6!?=) 25.Ne4+/– (25.hg4?! Ng4 26.Qd6 Rf6=) 25...Ne4 26.Re4 Nf2?? (better is 26...Nf6 27.Re5! Qf7+/–) 27.Rf2+– Rf2 28.Re8 Qe8 29.Kf2 1–0. Dzera,Evgeniy (2185) – An,Yuriy (1980), Rating Tournament, 2009.

    6.Qg4!? g6 7.Qf3+=.

    5.c3 Bc5

    6.Qb3 Nh6 7.d4 Bb6 8.Nf3 d6 9.0–0 Bg4 10.Nbd2 Bh5 (10...f5 11.Rfe1 f4 12.a4=) 11.a4= Bf7 (better is 11...Qc7=) 12.a5!+/– Ba5 13.de5 (better is 13.Qb7 Nd7 14.Qc6+/–) 13...de5? (13...Bb6 14.Bf7 Nf7+=) 14.Ra5!+– (14.Qb7?! Nd7 15.Bf7 Nf7 16.Qc6 0–0 17.Ra5 Qa5 18.Qd7 Qa2+/–) 14...Qa5 (14...Qd7 15.Ba3 b5 16.Bf7 Qf7 17.c4+–) 15.Qb7 0–0 16.Qa8 Qb6 (16...Qa4 17.Ra1 Qc2+–) 17.Ba3 (17.Ba3 c5 18.Rb1+–) 1–0. usingprogram (2020) – nsbn, kurnik, 2013.

    6.Qb3 Nh6 7.d4 ed4 8.cd4= Bb6 (8...Bf8 9.Bc1=) 9.Nf3 d5 (9...f5 10.Qc2=) 10.ed5+= cd5 (10...Qe7 11.Kf1+=) 11.Bd5 Qe7 12.Kd1 Nc6?? (better is 12...Qc7+=) 13.Re1+– 1–0. bihyjt – ttban, internet, 2017.

    6.Qb3 Nh6 7.d4 Be7 8.Nf3+=.

    6.Nf3 b5 7.0–0?? bc4–+ 8.Ba3 Ba3 9.Na3 Ba6 10.Qa4 Ne7 11.Nc4 0–0 12.Rfe1 Bb5 13.Qb3 Bc4 14.Qc4 d5 15.ed5 cd5 16.Qb3 Nbc6 17.Re2 Rb8 18.Qc2 e4 19.Nd4 Nd4 20.cd4 Nf5 21.g3 Nd4 (21...Nd4 22.Qd1 Ne2 23.Qe2 Rb2–+) 0–1. philstar99 – maftei, ChessWorld.net, 2009.

    5.c3 Be7

    6.Qb3 d5 7.ed5 c5?? (7...b5 8.Be2 Qd5 9.Qd5 cd5 10.Bb5 Nd7–/+) 8.d6!+– Qd6 (8...Qd6 9.Bg8 Discovered attack; 8...Bd6 9.Bg8 Discovered attack) 9.Bg8 Nc6? (9...Bf8 10.Ne2+–) 10.Na3 (10.Qf7 Kd7 11.Qg7 Rg8 12.Qg8 Qd3+–) 10...Na5? (better is 10...Bf5 11.Nb5 Qd8+–) 11.Qf7 Kd8 (11...Kd7 12.Qg7 Rg8 13.Qg8+–) 12.Qg7 Be6 (12...Rg8 13.Qg8 Bf8 14.Qh7 Be6+–) 13.Qh8 Kc7 (13...Bd7 14.Bh7 Bf8 15.d3+–) 14.Nb5 Kc6 15.Nd6 Rg8 16.Qh7 Bd6 17.g3 Nc4 18.0–0–0 (18.f3 f5+–) 18...Nb2 19.Kb2 1–0. guestrtfw – guestxzhh, internet free game, 2018.

    6.d4 d5–/+ 7.Bd3 de4 8.Be4 f5 9.Bc2 ed4 10.cd4 Nf6 11.Nf3 (11.Nf3 Bb4 12.Bc3 Qe7 13.Qe2 Qe2 14.Ke2–/+). WoodPusher83 – smoothmovermovesagain, ChessWorld.net, 2006.

    5.Be5 d5

    6.Bb8 dc4 7.c3 Bc3 8.Nc3= Rb8 9.Qh5 g6 10.Qc5 Be6 (10...b5 11.Qc6 Qd7 12.Qc5+=) 11.Qa7 Ne7 12.Rb1 (12.Nge2=) 12...Qc7 (12...b5 13.Qc5+=) 13.Nf3 0–0 14.0–0 Bf7 (14...Qd7 15.Rb4=) 15.Rfc1 Nc8 16.Qd4 Qd6 17.Rc2 Qd4 (17...Rd8 18.Qd6 Nd6 19.Rcb2=) 18.Nd4 Nd6 19.f4 Rfe8 20.e5 fe5 21.fe5 Re5? (better is 21...Nf5!? 22.Nf3 Re7+=) 22.Nc6!+– Rbe8 (22...bc6 23.Rb8) 23.Ne5 Re5 24.Rcc1 g5 (24...b5!?+/–) 25.Rb6+– Ne4?? (25...Re6+–) 26.Re1 (26.Rb7?! Nc5 27.Rc7 Nd3+–) 26...Bg6 27.Rb7 (better is 27.Rg6!? hg6 28.Re4 Rc5+–) 27...Re8 28.Rb5 h6 (28...g4 29.Ne4 Re4 30.Re4 Be4 31.Rg5 Kf7 32.Rg4+–) 29.Rb6 Kg7 30.Rg6! Kg6 31.Re4 Rd8 (31...Rc8 32.Kf2+–) 32.Rc4 Rd2 33.Rc6 Kg7 34.a4 Rc2 (34...g4 35.a5+–) 35.a5 Rc1 36.Kf2 Ra1 1–0. Bonetti,Shane – guest897, ICC, 2002.

    6.Bb8+= dc4 7.c3 Bc5?? 8.Qh5+/– g6 9.Qc5 Rb8 10.Qc4 (10.Qa7 Qd6 11.Qd4 Qd4 12.cd4 f5 13.e5+/–) 10...Qe7 11.Ne2 (11.Qe2 f5 12.e5 Qg5 13.Qf3+/–) 11...Be6 12.Qb4 c5 (12...Qb4 13.cb4+/–) 13.Qa3 Bc4 14.Qa7 Rd8 15.f3 f5 16.Qa4 b5 17.Qa6 Nf6 18.Na3 Be2 19.Ke2 fe4 (19...0–0!? 20.Qb5 fe4+=) 20.Qb5+/– Kf7 21.f4 (21.Rhe1 Qe5 22.Nc4 Qh2 23.fe4 Qg2 24.Kd1 Qf3 25.Kc2 Rhe8+/–) 21...e3 (21...Kg7 22.Rhf1+=) 22.de3 (better is 22.d3!?+/–) 22...Nd5= 23.Qc4 (better is 23.Rhc1!? Qe4 24.Qb7 Kg8 25.Kf2 Qe3 26.Kf1 Nf4 27.Qf3 Qf3 28.gf3=) 23...Qe3–/+ 24.Kd1 Kg7 25.Kc2 Nb4 26.Kb3? (26.cb4 Qd2 27.Kb1–/+) 26...Rb8?? (better is 26...Nc6 27.Rae1 Na5 28.Ka4 Nc4 29.Re3 Ra8 30.Kb5 Ne3–+) 27.Nb5+= Nc6 28.Kc2 Rhd8 (better is 28...Qf2!? 29.Kb1 Qg2–+) 29.Rad1–/+ Qf2 (better is 29...Na5!? 30.Rd8 Nc4 31.Rb8 Qf4 32.Rb7 Kh6–/+) 30.Kc1= Rb5 (30...Qg2!? 31.h4 Rb5 32.Qb5 Rb8 33.Rd7 Kh6 34.Qc5 Qh1 35.Rd1 Qf3 36.Qg5 Kg7 37.Rd7 Kg8 38.Qd5 Qd5 39.Rd5 Rf8–+) 31.Qb5+= Rb8 (31...Qf4 32.Kb2 Rb8 33.Rd7 Kh6=) 32.Rd7+/– Kh6 33.Qc6 Qb2 34.Kd1 Qa1 (34...Qb1 35.Ke2 Qh1 A) 36.Qc5?? Rb2 37.Kd3 Qd1 38.Kc4 Qa4 (worse is 38...Qd7 39.Qf8 Kh5 40.Qc5 Qf5 41.a4–+) 39.Kd3 Qd7 40.Qd4 Qf5 41.Ke3 Qc2–+ (worse is 41...Rg2 42.Qd3–+); B) 36.Rh7 Kh7 37.Qc7 Kh6 38.Qb8 Qg2 39.Kd1 Qh1 40.Kc2 Qe4 41.Kb2 Qe2 42.Kb3 Qe6 43.c4 Qh3 44.Ka4 Qd7 45.Ka5 Qd2 46.Kb6 Qb2 47.Kc7+–) 35.Ke2 Qh1 36.a4?? (36.Rd3 Rb2 37.Rd2 Rd2 38.Kd2 Qh2+–) 36...Rb2?? (better is 36...Re8 37.Kd3 Qf1 38.Kc2 Re1=) 37.Rd2+– Qc1 (better is 37...Rb8 38.Kf3 Qf1 39.Kg4 Qe1+–) 38.Rb2 Qb2 39.Kd3 Qb1 (39...Qb8 40.g3+–) 40.Kc4 Qf1 (40...Qf5 41.h3+–) 41.Kc5 Qf4 42.h3 Qe5 43.Kb4 1–0. Bonetti,Shane – guest2011, ICC, 2002.

    6.Bb8 dc4 7.c3 Qd3 8.Qf3 (8.Qe2 Qc2 9.e5 Be7 10.ef6 gf6 11.d4 cd3 12.Qc2–+) 8...Be7 9.Qd3 cd3 10.Bg3 f5 11.e5 Be6 12.Nh3–/+.

    6.Bb8 dc4 7.c3 Qe7!? A) 8.Qf3 A1) 8...Bc3 9.dc3 (9.Nc3 Rb8 10.Qg3 Ra8 11.Nge2 Nh6 12.0–0–/+) 9...Rb8 10.Ne2 Nh6 11.Qf4 Qe5 12.Qe5+=; A2) 8...Bc5–/+ 9.Bg3 f5 10.e5 Be6 11.Qh5 g6 12.Qe2–/+; B) 8.Qh5 g6 9.Qe2 (9.Qh4 Bc5 10.Qf4 g5 11.Qc7 Qe4 12.Kf1–+) 9...Rb8 10.cb4 Qb4 11.Nc3 Be6 12.Nf3–/+; C) 8.cb4 Qe4 9.Ne2 Rb8 10.0–0 Ne7 11.Re1 Qd3 12.Nec3+=.

    5.Be5 fe5–/+

    6.Qh5 Ke7 7.c3 d5 8.ed5 Nf6 9.Qe5 Kd7 10.dc6 Nc6 –+.

    6.Qh5 Ke7 7.Qf7 Kd6–+ 8.Qg7 Ne7 (8...Qf6 9.Qg3 Qg6 10.c3–/+) 9.Nf3 (9.c3 Ba5 10.Qf6 Kc5 11.Qe5 d5–/+) 9...Ng6 10.c3 Bc5 11.d4 ed4 12.0–0 (12.cd4!? Bb4 13.Kd1–/+) 12...dc3–+ 13.Rd1 (13.Qc3 Kc7–+) 13...Kc7 14.Nc3 (14.Qc3 d6–+) 14...b5 (better is 14...Qf8!? 15.Qf8 Rf8 16.Na4–+) 15.Bb5 Ba6 (better is 15...Qf8 16.Qf8 Rf8 17.Na4 Bf2 18.Kf2 cb5 19.Nc3–+) 16.Bc6?? (better is 16.Ba6 Na6 17.Qf7–/+) 16...Nc6–+ 17.Nd5 Kb8 (17...Kc8 18.Rd2–+) 18.Rab1 Kc8 19.Nf6 Bf8 20.Qf7 Nge5?? (better is 20...Qe7 21.Qd5 Nf4–+) 21.Ne5+– Ne5 1–0. Przybylski,J – Pigdel,E, Grudziadz Poland, 1966.

    6.Qh5 g6?? 7.Qe5 Qe7 8.Qh8 Qe4 9.Be2 Qe6 10.Nf3 Kf8 (10...h6 11.0–0 Be7 12.Bd3+–) 11.Ng5 Qf6 (11...Qe7 12.Nh7 Kf7+–) 12.Nh7 (12.Nh7 Ke7 13.Nf6 Nf6 14.Qc8+–) 1–0. pierre – mei_hong_lo, Yahoo, 2005.

    6.Qh5 g6?? 7.Qe5+– Qe7 8.Qh8 Qe4 9.Be2 Qg2? 10.Bf3 Qf3 11.Nf3 Bd2 1–0. guest991 – Friky, ICC, 2003.

    6.Qh5 g6?? 7.Qe5+– Qe7 8.Qh8 Qe4 9.Be2 Qg2? (9...Qe6+–) 10.Bf3 (10.Bf3 Qg5 11.Qg8 Bf8 12.Kd1+–) 1–0. Bonetti,Shane – Stone1, ICC, 2002.

    5.f4 d5–/+

    6.Bb3 ef4 7.Qh5 g6 8.Qe2–/+.

    6.Bb3 Nh6 7.Qh5+= Nf7 8.fe5 g6 (8...fe5 9.ed5 (9.Be5? g6 10.Qe2 Ne5–+) 9...cd5 10.c3–/+) 9.Qe2= fe5 10.ed5 0–0 11.dc6 (11.Be5? Ne5 12.dc6 Nf7 13.cb7 Bb7–+) 11...Nc6 12.h4 (12.Nf3 Bg4=) 12...Bf5 (12...Nd4 13.Qe5 Re8 14.Bd4 Re5 15.Be5–/+) 13.g4 Nd4 (better is 13...Bc8+=) 14.Qc4?? (14.Bd4 Qd4 15.c3 Bc3 16.Nc3 Bg4 17.Qg2+/–) 14...Nb3?? (better is 14...Bc2 15.Bd4 Bb3 16.ab3 Qd4 17.Qd4 ed4–+) 15.ab3+– Bd2 (15...Bc2!? 16.Qc2 (worse is 16.Qb4 Qd5 17.Rh2 Bb1–/+) 16...Qd5 17.Rh2+/–) 16.Nd2 Rc8 17.Qe2 (17.gf5?! Rc4 18.Nc4 Qd5+/–) 17...Rc2 18.gf5 Rb2 19.fg6 hg6 20.h5 (20.Ra7 Qd4 21.Ra4 Qc3+/–) 20...Qf6 (20...Qg5 21.hg6 (21.Ra7 Qg3 22.Qf2 Qc3–+) 21...Qg3 22.Kd1+/–) 21.hg6 (21.Ra7?! Qc6 22.hg6 Nd6+–) 21...Ng5 (21...Qg6 22.Qh2 e4+–) 22.Qc4 Kg7 23.0–0–0 (23.Qh4 Qg6 24.Ra7 Rb1 25.Ke2 Nf7 26.Qh7 Qh7 27.Rh7 Kh7 28.Nb1 Nd6+–) 23...Ra2 24.Ngf3?? (better is 24.Kb1 Ra6 25.Qc7 Kg8 26.Qb7+–) 24...Nf3?? (better is 24...Ra1 25.Nb1 Qf3+= (25...Nf3? 26.Qc7 Kg6 27.Rd6+–)) 25.Qc7+– Kg6 (25...Rf7 26.gf7 Ra1 27.Nb1 Qc6 28.Qc6 bc6+–) 26.Qh7 Kg5 27.Qh5 Kf4 28.Qf3 1–0. Korolkov,Anatolij – Slyusarenko,Ivan, RUS–ch Seniors, 2009.

    6.ed5 cd5 7.Bb5 Nc6 (7...Bd7 8.Qe2=+) 8.fe5 fe5 (8...a6 9.Bc6 bc6 10.Qh5 g6 11.Qe2=) 9.Qh5= Kf8 10.Bc6 bc6 11.Be5 Nf6 12.Qh4 Qe7 (12...Be7 13.Qa4=+) 13.Ne2? (13…Ba6 14.Qf4=+; better is 13.Nf3=). Rush,Bradley – Johnson,Rick, IECG Cat–C, 1995.

    5.Bg8 Rg8

    6.c3 Be7 7.Qh5 Kf8 8.Qh7 d5 9.d3 Be6 10.Nf3 Qb6 11.Ba3?? Ba3–+ 12.Na3 Qb2 13.0–0 Qa3 14.Rfc1 Nd7 15.Nh4 Ke7 16.Ng6 Kd6 17.Qh5 Rae8 18.Rc2 de4 19.de4 Kc7 20.c4 Qc5 21.h3 Rd8 22.a4 Bf7 23.Qh7 Bg6 24.Qg6 Qd4 25.Rac1 Nc5 26.Qf7 Qd7 27.Qg6 Rh8 28.Rc3 Rh6 29.Qf5 Qd4 30.Rg3 g5 31.a5 Ne4 32.Rg4 Qd2 33.Rf1 Nc5 34.Kh2 Qe2 35.g3 Qf1 36.Rg5 fg5 37.Qe5 Rdd6 38.Qe7 Nd7 39.Qg5 Rh3# 0–1. tschulz – Papale, internet, 2004.

    6.Qh5 Ke7

    7.Qh7 d5 8.ed5 cd5 9.Be5 Bd2 10.Nd2 fe5 11.c4 Be6 12.Ngf3 Nc6 13.Rb1 b6 14.cd5 Qd5 15.0–0 Raf8 16.Rbd1 Bf5 17.Qh5 Qe6 18.Qh4 Qf6 19.Qa4 g5 20.Rfe1 Rd8 21.Rc1 Rd6? 22.Nc4 Re6 23.Ne3 Bg6 24.Nd5 (24.Nd5 Kf7 25.Nf6+–) 1–0. orane – Canyonlands, Caissa.com, 2005.

    7.Qh7 d5 8.f4 Bd6 9.ed5 cd5 10.Nf3 e4 11.Nd4 Nc6 12.Nc6 bc6 13.Bd4 c5 14.Be3 d4?? 15.Qe4+/– Be6 16.Bf2 Kf7 17.0–0 Rb8 18.c3 f5 19.Qc2 Qb6 20.cd4 cd4 21.Nc3 Rgc8 22.Qd1 Bc5 23.Na4+/– Qa5 24.Nc5 Qc5 25.Rc1 Qd5 26.Rc8 Rc8 27.Qa4 Rc4 28.Qa7 Kg6 29.d3 Rb4 30.a3 Rb2? 31.Qd4 Qd4 32.Bd4 Rd2 33.Rf3 Bd5 34.Rg3 Kh5 35.Bg7 (35.Bg7 Kh4 36.Bc3+–) 1–0. orangutanb4 (1945) – filipdanes (1790), kurnik, 2011.

    7.Qh7 d5 8.f4 Nd7 9.Ne2 b6 10.0–0 Qf8 11.fe5 Rh8 12.ef6 Nf6 13.Bf6 Qf6 14.Qh8 Qa1 15.Qf8 Ke6 16.ed5 Kd5 17.Qb4 Qa2 18.Nbc3 (18.Nbc3 Ke6 19.Nd4 Kd7 20.Qf8 Kc7 21.Na2 Bd7 22.Qa8 Bg4 23.Rf7 Kd6 24.Qc6 Ke5 25.Nc3 Bf5 26.Rf5 Kd4 27.Qd5#; 18.Nf4 Ke5 19.Ng6 Ke6 20.Qe7 Kd5 21.Nc3 Kd4 22.Rf4#) 1–0. CountFromHolland – Acts4Verse12, playchess.de, 2002.

    7.Qh7 d6 8.c3=.

    7.Qh7 d6 8.Nf3 Qf8 9.Nh4 (9.a3 Rh8 10.Qg6 Rh6=) 9...Kd8+= 10.Ng6 White gets in control 10...Qf7 11.0–0 Be6 12.f4 (12.d4 Ba2 13.c3 Ba5=) 12...Nd7 (12...Bc5!? 13.Kh1 Bc4–/+) 13.fe5= Bc5? (13...de5!? 14.Ne5 Bc5 15.Kh1 Ne5 16.Be5 Ba2=) 14.d4+/– Bb4 (14...Bc4!? 15.Rf2 Bb4+/–) 15.c3 Bc4 (15...Ba5 16.ed6 Ba2 17.Ne7+/–) 16.Rf3 (16.Rf5 Ba5 17.e6 Qe6 18.Nd2+= (18.Ra5 Qe4 19.h4 Bd5 20.Rd5 Qd5=)) 16...Ba2?? (better is 16...Ba5 17.ed6 Re8+/–) 17.cb4+– Bb1 18.Rb1 Qa2 (18...Re8 19.ed6 Qa2 20.Rff1+–) 19.Rbf1 Kc7 (19...Re8 20.Bc3 Qe6 21.Qg7 de5 22.Rf6 Nf6 23.Rf6+– (23.Qf6?! Qf6 24.Rf6 ed4 25.Rd6 Kc7 26.Rd4 b6+–)) 20.ed6 Kd6 21.e5 (21.Bc1 Kc7+–) 21...fe5 (21...Kc7 22.R3f2 Qb3 23.Ne7+–) 22.de5 Kc7 23.Bd4 b6 (23...Qd5 24.Qh4 Rge8 25.Rf4+–) 24.Rf7 (24.Ne7 Qc4 25.Bc3 Rge8 26.Qg7 a5+–) 24...Qc4 25.Ba1 (25.Qh4 Qe6 26.Qh5 Rge8+–) 25...Rae8 (25...Rad8+–) 26.Qh3 Qd5 27.Ne7 Re7 28.Re7 c5 (28...Kd8 29.Ref7 Re8+–) 29.e6 Qc4 (29...Rd8+–) 30.Rd7 Kc6 31.b5! Kb5 (31...Qb5 Theme: Blockade 32.Qf3 A beautiful mate combination) 32.Rb1 Kc6 (32...Qb3 33.Qb3 Kc6 34.Qd5) 33.Qf3 1–0. Woelfelschneider,Peter – Kientzler,Roland, CiF, 1989.

    7.c3 Bc5

    8.d4 Qb6 9.Nd2 ed4 10.Nc4–/+.

    8.d4 Qb6 9.Nd2 ed4 10.cd4 Qb2 11.Qc5 d6 12.Qd6 Kd6 13.Nc4 Kc7 14.Nb2=+.

    8.d4 Qb6 9.Qh7?? Qb2–+ 10.Qg8 Qa1 11.dc5 Qb1 12.Kd2 –+.

    8.d4 Qb6 9.Qh7 Qb2–+ 10.Qg8 Qa1 11.Qg7 Kd8 12.dc5 Qb1 13.Kd2 Qa2 14.Ke3 –+.

    8.d4 Qb6 9.Qh7 Qb2–+ 10.Qg8 Qa1 11.Qg7 Kd8 12.Qf6?? Be7 13.Qh8 Kc7 14.Qe5 Bd6 15.Qh5 Qb1 16.Qd1 Qe4 17.Kf1 Be7 18.f3 Qh7 19.Ne2 d5 20.h3 Qh5 21.Kg1 Bd6 22.Qd2 Na6 23.f4 Be6 24.Kh2 Bg4 25.Nc1 Rh8 26.Qe3 Re8 27.Qd2 Bh3! 28.Kg1 Qg4 29.Rh3 Bf4 30.Qc2 Re1 (31.Kf2 Rc1–+ (31...Bc1?! 32.Rh7 Kb6 33.Ke1–+)) 0–1. Doctor? 3.0 – Fritz 6, 2003.

    8.d4 Qb6 9.Qh7?? Qb2–+ 10.Qg8 Qa1 11.Qg7? Kd8–+ 12.Qf6 Be7 13.Qh8 Kc7 14.Qe5 Bd6 15.Qh5 Qb1 16.Qd1 Qe4 17.Kf1 Be7 18.f3 Qh7 19.Ne2 d5 20.h3 Qh5 21.Kg1 Bd6 22.Qd2 Qh4 23.g4 Na6 24.f4 Bd7 25.Kg2 Rh8 26.Ng3 Qh6 27.Kf3 Rf8 28.Kg2 Bf4 (29.Qd3 Qh4–+) 0–1. Doctor? 3.0 – Fritz 6, 2003.

    6.Qh5 Kf8

    7.c3 Bc5 8.Ba3 Ba3 9.Na3–/+ Rh8 10.d3 d5 11.Ne2 Qb6–/+.

    7.c3 Be7 8.Qh7 Qb6 (8...Kf7 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 d5+=; 8...d5 9.Ba3 Ba3 10.Na3 Be6 11.Nf3 Qe7+=) 9.Bc1 d5 10.Ne2 (10.ed5 cd5 11.Ne2 Qe6+=) 10...Be6 (10...de4 11.Qe4 g6=) 11.f4 (11.d4 Nd7=) 11...Nd7 (11...Ke8 12.d4=) 12.d4 (12.fe5 Ne5 13.Nf4 Kf7 14.Ne6 Nd3 15.Ke2 Nc1 16.Rc1 Ke6 17.ed5 cd5 18.Qh3 f5=) 12...de4 (12...Ke8 13.ed5 Bd5 14.0–0+=) 13.fe5= fe5 14.0–0 Bf6 15.Qe4 Ke7 16.Ba3 (16.Be3 Bd5 17.Qd3 Qb5=) 16...Kd8+= 17.Nd2 Kc7 (17...Re8 18.Qd3+=) 18.Rfb1 (18.Qd3 Rae8=) 18...Bd5 (18...Qa6 19.de5 Be5 20.Nf4–/+) 19.Qd3 Qa5 (19...Qa6 20.Qa6 ba6 21.de5 Ne5 22.Nf4=) 20.Bc1 (better is 20.c4!? Qa6 21.Rb3+=) 20...Rge8+= 21.Nc4? (better is 21.c4!? Bf7 22.Qg3+=) 21...Qa6–+ 22.Ne5? (22.de5 Bc4 23.Qd6 Kd8 24.ef6–/+) 22...Qd3 23.Nd3 Re2 24.Nf4 Rc2 25.Nd5 cd5 26.Bf4 Kc6 27.Re1 (27.Rc1 Re2–+) 27...Nf8 (27...Rc3 28.Re6 Kb5 29.Be5–+) 28.Re3 (28.Rec1 Rc1 29.Rc1 Ne6–+) 28...Kd7 (28...Ng6 29.Bg3–+) 29.Rb1 (29.Be5 Be5 30.de5 Rc8–+) 29...b6 (29...Ra2?! 30.Rb7 Kc6 31.Rc7 Kb6 32.Re1–+) 30.a4 (30.Be5 Ra2 31.Bf6 gf6–+) 30...Ra2 (30...Ng6 31.Be5 Be5 32.de5–+) 31.Rb4 Be7 (better is 31...Kc6–+) 32.Rb5 Bf6 33.Rd5?? (33.Rb4 Kc6 34.Kf1–+) 33...Kc6–+ 34.Rd6 Kb7 35.g4 Bd8 (35...Ng6 36.Rd7 Ka6 37.Bg3–+) 36.Rd5 (better is 36.Re8!? Ra1 37.Kg2+=) 36...Ra4 37.Re8 (37.Rf5 Ng6–+) 37...Bh4 38.Re2 Rc4 39.g5 (39.Rf5 Rc3 40.Rf7 Ka6–+) 39...g6 (39...Rc3 40.Rf5 Rd3 41.d5–+) 40.Bd2 Rcc8?? (better is 40...a5 41.Rde5 a4 42.Re7 Rc7–+) 41.Re4+= Bg5 (41...Kc6 42.Rde5 Nd7 43.Re7=) 42.Rg5= Rc6 (42...a5 43.Rg3=) 43.Re7+= Rc7 44.Rc7 Kc7 45.Bc1 Nd7 (better is 45...Re8!? 46.Ba3 Re1 47.Kf2 Re8+=) 46.Rg6+– Re8 (46...Rf8 47.c4+–) 47.Bf4 Kc8?? (better is 47...Kd8+–) 48.Rc6 (48.Rc6 Kb7 49.Rc7 Ka6 50.Rd7+–) 1–0. Bousios,Hristos – Nedas, Greece ch–CatC, 1976.

    7.Qh7 Qb6 8.c3 (better is 8.Nc3!?= Bc5 9.0–0–0 Bf2 10.Ba3 Bc5 11.Bc5 Qc5 12.Nf3 d6+=) 8...Bc5–/+ 9.Bc1 Bf2 (9...d5 10.Nf3 Bf2 11.Ke2 de4 12.Qe4 Bc5–/+) 10.Kf1 d6 (10...Bc5 11.d3 d6 12.Nf3 Be6–+) 11.Nf3 (11.a4 Bg1 12.Rg1 Be6–+) 11...Be6 (11...Bc5 12.Ke1 Be6–+) 12.d4 (better is 12.d3–+ Ke8–+; 12.Na3 Bc5–+) 12...ed4?? (better is 12...Be3! 13.Ba3 Ke8–+) 13.Kf2+= dc3 14.Kg3 Qb4? (better is 14...c2 15.Na3 Qc5+=) 15.Ba3+– Qa5 (15...Qc4 16.Bd6 Ke8 17.Rc1+–) 16.Bd6 Ke8 17.e5 c5? (17...Na6+–) 18.ef6 Qb4 (18...Nc6 19.Qg6 Kd7+–) 19.Qg6 Kd7 20.f7 Bf7 (20...Nc6 21.fg8R Rg8 22.Rd1+–) 21.Qf7 (21.Ne5 Kd8 22.Qg5 Kc8 23.Qf5 Kd8 24.Nf7 Ke8 25.Qe6) 21...Kd6+– 22.Rd1 Kc6 23.Ne5 Kb5 (23...Kb6 24.Qg8 a6+–) 24.Qb7 (24.Qb7 Ka5 25.Qa8+–) 1–0. Trkn – Darren, itsyourturn.com, 2001.

    7.Qh7 d6 8.c3 Kf7 9.cb4–/+.

    7.Qh7 d6 8.Nc3 Be6 9.Nge2 Nd7 10.0–0 Ke7 11.d4 Qf8 12.f4 Rh8 Black launches an attack 13.Qg6 Rh6 14.Qg3 ed4 15.Nd4 Bc5 16.Rfd1 Qf7 17.Kh1 (17.f5!? Bc4 18.Na4 Bd4 19.Bd4=) 17...Rah8–/+ 18.Nf3 (18.Nf3 Qh5 19.Qg7 Ke8 20.Qg3+=). Gnirk,Hajo – Harm,Joerg, corr SOK–87–17, 1988.

    7.Qh7 d6 8.Nf3 Kf7 9.Nh4 Rh8 10.Qg6 Kg8 11.Nf5 Bf5 12.Qf5 Qd7 13.Qf3 Na6 14.0–0 d5 15.a3 Bd6 16.d3 (16.ed5? e4 17.dc6 Bh2 18.Kh1 Be5 19.Kg1 A) 19...Bb2 20.Qb3 (20.cd7? ef3 21.Ra2 Be5–+) 20...Qf7 21.cb7+=; B) 19...ef3 20.cd7 Bb2–+) 16...Rf8 17.Nd2 (17.ed5? e4 18.de4 Bh2 19.Kh1 Be5 20.Kg1 Bb2–+) 17...f5 18.Qe2 (18.ed5? e4 19.de4 Bh2 20.Kh1 Be5 21.Kg1 Bb2–+) 18...fe4 19.de4 Nc7 20.ed5 e4 21.h3 cd5 22.Rfd1 Ne6 23.Ne4 Nf4 (worse is 23...de4 24.Be5 Nf4 25.Qc4 Qf7 26.Qf7 Rf7 27.Rd6+/–) 24.Qd2 Rh3 25.f3 Rh6 26.Nd6 Qd6 (worse is 26...Rd6 27.Be5 Rdf6 28.Bf6 Rf6 29.Rab1+/–) 27.Rab1 Qe7 (27...Qe7 28.Bd4 Qh4–+) 0–1. Pcmvr – DrJon, playchess.de, 2005.

    7.Qh7= d6 8.Nf3 Kf7 9.Qh5 Ke7=.

    7.Qh7= d6 8.h4 Kf7 (8...Be6 9.c3 Bc5 10.Nh3–/+) 9.h5= Rh8 10.Qg6 White is in command 10...Kf8 11.h6 Qe7 (11...Rh6 12.Rh6 gh6 13.Qh6 Ke8 14.Qg6 Kd7 15.Nf3=) 12.h7 (12.a3 Bc5=) 12...Be6= 13.c3 Bc5 (13...Bf7 14.Qg3 Bc5 15.d3=) 14.d4 Bf7 15.Qg4 ed4 (15...Be6 16.Qg3 Bb6 17.Ba3=) 16.cd4+= Bb4 (16...Be6 17.Qf3 Bb4 18.Bc3=) 17.Bc3 Bc3 (17...Be6 18.Qf4 Bc3 19.Nc3=) 18.Nc3 Qe6 (18...Be6!? 19.Qg6 Bf7+=) 19.Qe6+/– Be6 20.Nge2 Nd7 (20...Bf7 21.Rb1 b6 22.Rc1+/–) 21.Nf4 White intends d5 (21.Rb1 Nb6+/–) 21...Bf7 22.Rb1 b6 (22...Rb8 23.d5=) 23.Rd1 White prepares d5 (better is 23.d5!? cd5 24.Nfd5+/– (worse is 24.Ncd5 Re8 25.Nc3 g5=)) 23...g5= 24.d5 (24.Nd3 Kg7=) 24...gf4+= 25.dc6 Nc5 (25...Ne5 26.Rd6 Rc8 27.Rf6–/+) 26.Rd6= Kg7 27.Rh4 Rh7 28.Rf4 The isolani on f6 becomes a target 28...Rh1 (28...Be6 29.Na4 Kf7 30.Nc5 bc5 31.e5+=) 29.Kd2 Rc8 (29...Be6 30.Na4 Na4 31.Re6+=) 30.Rff6 Rf1 (30...Ba2 31.f4=) 31.g3 (31.e5 Re8+/–) 31...b5 (31...Ba2!? 32.Ke3 Bf7=) 32.a3 (32.Rf5 b4 33.Rc5 bc3 34.Ke2 Rc1+–) 32...a5 (32...a6 33.Rf5 Nb3 34.Ke2=) 33.Rf5 b4 (33...Nb3!? 34.Kd3 Bc4 35.Ke3 b4 36.ab4 ab4+/–) 34.Rc5+– bc3 35.Ke2 (35.Kc3? Rc1 36.Kd4 Rd1 37.Ke5 Re8 38.Re6 Be6–+; 35.Rc3?! Rf2 36.Ke3 Rf6+–) 35...Rc1 36.f4 (better is 36.c7 Rc2 37.Ke3+–) 36...Bh5?? (better is 36...c2+/–) 37.Rh5+– c2 38.Rd7 Kg6 (38...Kg8 39.Rc5 Kf8+–) 39.Rdh7 Re1 40.Kf3 (40.Ke1?! c1Q 41.Ke2 Qc2 42.Ke3 Qc3 43.Ke2 Qc4 44.Kf3 Qd3 45.Kg4 Qe2 46.Kh4 Qh2 (46...Qe4?? 47.R5h6 Kf5 48.Rf7) 47.Kg4 Qe2 48.Kh4 Qh2 (48...Qe4 49.R5h6 Kf5 50.Rf7) 49.Kg4 Qe2=) 40...Re3 (40...Rf1 41.Kg4 Rf4 42.gf4 c1Q 43.R5h6) 41.Kg4 (41.Ke3?! c1Q 42.Ke2 Qc2 43.Ke3 Qc3 44.Ke2 Qc4 45.Kf3 Qd3 46.Kg4 Qd1 47.Kh4 Qh1 48.Kg4 Qd1 49.Kh4 Qh1 50.Kg4 Qd1=) 41...Rg3 42.Kg3 c1Q 43.R5h6 1–0. b4_player – opponent, gamecolony.com, 2007.

    7.Qh7 Ke7 A) 8.Nf3 Na6 (8...d6 9.c3 Ba5 10.d4 Be6 11.0–0 Nd7=) 9.c3 Ba5 10.d4 d6 11.0–0 Be6=; B) 8.a3 Ba5 (8...Bc5 9.Nf3 d5 10.d4 ed4 11.Bd4 Bd4+=) 9.Bc3 Bb6 10.Nf3 d5 11.d4 Kf7=; C) 8.c3 Ba5 9.Nf3 d5 10.0–0 Kf7 11.Qh5 g6=; D) 8.Bc3 Na6 9.Nf3 d5 10.ed5 cd5 11.Bb4 Nb4=.

    7.Qh7 Qe7 8.c3 Bc5=.

    7.Qh7 Qe7 8.Ne2 g6= 9.Qh6 (9.Qh3 Kg7=) 9...Qg7 (9...Ke8 10.Nbc3+=) 10.Qe3 (10.Qg7 Rg7 11.a3 Ba5=) 10...d6 (10...Ke8 11.Qb3 Na6 12.Ba3 Ba3 13.Na3=) 11.c3 (11.Qb3 Na6=) 11...Ba5= 12.Na3 (12.Ba3 Ke7=) 12...Be6 13.f4 (13.Qd3 d5=) 13...Bc7 (13...Bb6 14.Qd3 Ke7 15.Nc4 Bc4 16.Qc4=) 14.Nc2 (14.fe5 de5 15.d4 Ke8+=) 14...Nd7 (14...Ke8 15.0–0+=) 15.d4 (15.fe5 fe5 16.d4 Ke8+=) 15...Ke7 (15...Ke8 16.Bc1+=) 16.a4 (16.Qd2 Nb6=) 16...a5 (16...Nb6 17.fe5 de5 18.0–0+=) 17.Ba3 (17.fe5 fe5 18.Qd2 Raf8=) 17...Rgd8 (17...ef4 18.Nf4 Bb3 19.d5 Bc2 20.Ne6=) 18.Qg3 (18.Rb1 b6=) 18...Bb3 (18...Bb6 19.Rb1 Ra6 20.h4+=) 19.Ne3+= Ba4?? (better is 19...Rg8+=) 20.Nf5!+– (20.Nf5 Kf8 21.Ng7 Kg7 22.f5+–) 1–0. Cubok,Zdenek – Novosadova,Kristyna, Karvina CZE Open, 2005.

    7.Qh7 Kf7 8.Qh5 Ke7 9.Nf3 d5 10.Qh4 Rh8 11.Qg3 Qg8=.

    7.Qh7 d5

    8.Ba3 Ba3 9.Na3+=.

    8.c3 Ba5 9.Ne2 A) 9...de4 10.Qe4 (10.Ng3 Kf7 11.0–0 Na6 12.Ba3 Rh8 13.Qe4 Qd5+=) 10...Kf7 (10...Rh8 11.d4 ed4 12.Nd4 Bc7 13.Nd2 Kf7=) 11.0–0 Rh8 12.d4 Qd5 13.Qc2 ed4+=; B) 9...Be6 B1) 10.d4 Qc7 (10...Kf7 11.Qh5 g6 12.Qh7 Rg7 13.Qh6 de4+=; 10...Ke7 11.f4 Bb6 12.ed5 Qd5 13.c4 Qc4+=) 11.f4 ef4 12.ed5 Bd5 13.Qf5 g5+=; B2) 10.0–0 Kf7 (10...de4 11.Qe4 Kf7 12.d4 Qd5 13.Qc2 Rh8=; 10...Ke8 11.d4 Qc7 12.Nd2 g6 13.Qh4 g5+=) 11.Qh5 g6 12.Qf3 de4 13.Qe4 Bf5+=; B3) 10.ed5 cd5 (10...Bd5 11.0–0 Nd7 12.d4 Kf7 13.Qc2 b5=; 10...Qd5 11.0–0 Nd7 12.Rc1 Kf7 13.c4 Qd6=) 11.f4 Nc6 12.f5 Bf7 13.Ng3 Ke7+=; B4) 10.f4 Ke7 (10...Ke8 11.fe5 fe5 12.Qh5 Kd7 13.ed5 Bd5=) 11.d4 Bb6 12.fe5 fe5 13.Bc1 Qc7=; C) 9...Bb6 10.ed5 (10.0–0 Kf7 11.Qh5 g6 12.Qh7 Rg7 13.Qh4 de4–/+; 10.d4 Kf7 11.Qh5 g6 12.Qh7 Rg7 13.Qh4 de4+=; 10.f4 Kf7 11.Qh5 g6 12.Qh7 Rg7 13.Qh4 Nd7+=) 10...Qd5 (10...Bf2 11.Kf2 Qb6 12.Nd4 Qb2 13.Nb3 cd5=) 11.0–0 Be6 12.d4 Nd7 13.Nd2 Ke7=; D) 9...Kf7 10.ed5 (10.Qh5 g6 11.Qh7 Rg7 12.Qh4 de4 13.Qe4 Qd5+=) 10...Rh8 11.Qc2 Qd5 12.0–0 Be6 13.d3 Bf5+=.

    8.c3 Ba5 9.Nf3 Kf7 (9...Be6 10.d4 de4 11.Qe4 Qd5 12.Qe3 Bb6 13.0–0 Kf7=; 9...de4 10.Qe4 Be6 (10...Qd5 11.Qh7 e4 12.Ba3 Ke8 13.Nd4 Bb6+=; 10...Rh8 11.d4 ed4 12.Nd4 Bc7 13.Nd2 Kf7=; 10...Kf7 11.0–0 Qd5 12.Qh4 e4 13.c4 Qf5=; 10...Bb6 11.c4 Kf7 12.0–0 Be6 13.Rc1 Re8=) 11.Nd4 Bd5 12.Qg6 Na6 13.Ba3 c5+=) 10.Nh4 (10.Qh5 g6 11.Qh7 Rg7 12.Qh4 de4 13.Qe4 Bf5–/+) 10...Rh8 (10...Bb6 11.Qg6 Ke6 12.Ba3 de4 13.Nf5 c5=; 10...de4 11.Qg6 Ke6 12.Ba3 Bb6 13.Nf5 c5=) 11.Qg6 Kg8 12.Nf5 Bf5 13.Qf5 Qd7+=. Trkn – guest4720, ICC, 2004.

    8.c3 Ba5 9.f4 A) 9...ef4 10.Ne2 Bc7 (10...Kf7 11.Nf4 Re8 12.d3 Re5 13.Nd2 de4=; 10...Qe8 11.d3 Bc7 12.Nd2 Kf7 13.Qh5 Ke7=) 11.ed5 Qd5 12.0–0 Qf5 13.Qf5 Bf5+=; B) 9...Kf7 10.f5 Rh8 11.Qg6 Kg8 12.d3 de4 13.de4 Nd7–/+.

    8.c3 Bc5 9.Ba3 Nd7 10.ed5 cd5 11.Ne2 Qb6 12.d4 (12.f4 Qa6 13.Bb4 e4+=) 12...Ba3 (12...ed4!? 13.Nd4 Qa6 14.Bc5 Nc5–/+) 13.Na3= Qb2 14.Nc2 e4 (14...g6 15.Rc1 Rg7 16.Qh4+=) 15.Rc1+/– Nb6 (15...f5 16.Qf5 Nf6 17.Qe5+/–) 16.0–0 Be6 17.f3 ef3 18.Rb1 Qa2 19.Ra1 Qa1 (19...Qb2 20.Nf4 Bf7 21.Rf3+/–) 20.Ra1 fe2 21.Qh5 Nc4 22.Qe2 Kf7 23.Nb4 a6? (better is 23...Rh8!?+/–) 24.Re1+– Rae8 25.Nd5 Bf5? (25...Bg4 26.Qf2 Re1 27.Qe1 Be6+–) 26.Ne7 (26.Qc4?! Re1 27.Kf2 Rc8+–) 26...b5 27.g4 (27.Nf5?! Re2 28.Re2 a5=) 27...Bc8 (27...Bd7 28.Qe4 Kf8 29.Ng6 Kf7 30.Qd5 Be6 31.Qh5+–) 28.Qe4 g6 (28...Nb6 29.g5 g6 30.Qf3+–) 29.Kf2 Nb2 30.g5 Nd3 (30...Nd1 31.Kf1 Nc3 32.Qf3+–) 31.Qd3 Re7 32.Re7 Ke7 33.Qe4 Kf7 (33...Kd8 34.Qd5 Kc7 35.Qg8 fg5 36.Qg6+–) 34.Qd5 Be6 (34...Kf8 35.gf6 g5+–) 35.Qb7 Ke8 36.gf6 Bd7 37.Qd5 Rh8 38.Qa8 Kf7 39.Qh8 1–0. pierred – Biskopen, chessworld.net, 2006.

    8.c3 Bc5 9.Ba3 Kf7 10.ed5+=.

    8.c3 Kf7 9.ed5 (9.cb4? Rh8 10.Qh8 Qh8–+) 9...Bd6 10.dc6 Qb6 (10...Nc6 11.Qh5 Ke7 12.Qe2=) 11.Qc2 (11.Ba3!? Nc6 12.Ne2+= (worse is 12.Bd6 Qb2+=)) 11...Qc6= 12.Nf3 Be6 13.Nh4 (13.d3 Na6=) 13...g6 (13...e4 14.g3–/+) 14.0–0 Nd7 (14...e4 15.g3+=) 15.Nf3 (15.Re1 b5=) 15...Rh8 16.Ba3 (16.d3!?=) 16...e4+= 17.Bd6 Qd6?? (better is 17...ef3 18.Bg3 fg2+=) 18.Qe4+/– Rac8 19.g3 (19.Re1!?+–) 19...Bd5 20.Qd4 (20.Qd3!?+/–) 20...Rc4 21.Qd3 Nc5 22.Qe2 Re4 23.Qd1 Ne6?? (better is 23...Rf4! 24.Nh4 Rfh4 25.gh4 Rh4–+) 24.d3+– Rg4 25.Ne5 Qe5 (25...Qe5 26.Qg4 Discovered attack; 25...fe5 26.Qg4 Discovered attack) 26.Qg4 f5 27.Qd1 (27.d4 Qb8 28.c4 fg4 29.cd5 Nd4 30.f4–+) 27...Rh2!! 28.Kh2 (28.Kh2 Qh8 Mate attack) 28...Qh8 29.Kg1 (29.Qh5 Qh5 30.Kg1 Qh1) 29...Qh1 0–1. Huelle,Gunter (1795) – Bannon,Senan, Leipzig VfB op, 2008.

    8.ed5 cd5 9.a3 Bc5=+.

    8.ed5 cd5 9.Ba3 Ba3 10.Na3+= Qe7 11.Nb5 Na6 (11...Qd7 12.Qd3+=) 12.Ne2 Bd7 (12...g6 13.Qh6 Kf7 14.Nec3+=) 13.Nbc3 Bc6 14.0–0 Nb4 (better is 14...g6!? 15.Qh3 d4+=) 15.a3+= Nc2? (better is 15...Na6+=) 16.Qc2+– d4 17.Ne4 Rh8 18.N2g3 (18.f4 ef4 19.d3 f3 20.Nd4 fg2 21.Qg2 Be4 22.de4 Qc5+–) 18...Ke8? (18...g6 19.Rfc1 f5+–) 19.f4 Kd7 (19...ef4 20.Rf4 Kf8 21.Qc4+–) 20.fe5 Qe5 21.Rae1 Kc7 (21...Kc8 22.Nf6! Qa5 23.Re6+–) 22.Nf6! (22.Nf6 Qd6 23.Re7 Kb8 24.Rg7+–) 1–0. marre (2110) – NN, GameColony.com, 2003.

    8.ed5 cd5 9.Ba3 Qd6 10.Bb4 Qb4 11.Qd3 d4+=.

    8.ed5 cd5 9.Ba3 Qe7 10.Qd3 Nc6 11.Bb4 Nb4 12.Qb3–/+.

    8.ed5 cd5 9.Ne2 Kf7=+.

    8.Ne2 b6 9.f4+= White gets the initiative 9...d4 (9...ef4 10.ed5 Qd5 11.Nf4=) 10.fe5 (10.a3 Bc5+=) 10...fe5 11.0–0 Ke7 12.Qh5 Be6 (better is 12...Kd6!?+=) 13.Qe5+– Nd7 (better is 13...Bd6!? 14.Qg5 Kd7 15.Qd8 Rd8 16.Nd4 Bc5+–) 14.Qg5 Kd6 15.Qf4 Ke7 16.Nd4 (16.Nd4 Bc5 17.Ba3+–) 1–0. Woschkat,Karl_Heinz – Oestmark,Soeren, compuserve, 1995.

    8.Ne2 de4 9.0–0 Be6 10.Qe4 Be7 11.d4+/– Bd5 12.Qe3 e4 13.Nf4 f5 14.f3 Bg5 15.fe4 Be4 16.Ne6 Ke8 17.Ng5 g6 18.Nd2 Kd7 19.Nde4 fe4 20.Qh3 Kc7 21.Ne6 (21...Kc8 22.Nd8 Nd7 23.Nb7+–) 1–0. orane – iminit, 2003.

    8.Ne2 Ke7!?=.

    8.Nf3 Na6 9.ed5 cd5 10.c3 Bd6 11.Ba3 Bg4=.

    8.Nf3 Qb6 9.0–0 Bd6 10.Bc1 Be6 11.Re1 Bc5=.

    8.Nf3 Bc5 9.Ba3 Ba3 10.Na3 Qe7 11.Nb1 g5+=.

    8.Nf3 Bd7 9.Nh4 (9.ed5 cd5 10.0–0 Qc8=) 9...Be8 (9...Be6 10.c3 Bc5 11.Ba3+=) 10.0–0 (10.ed5 cd5 11.0–0 Bf7=) 10...de4 (10...Bf7 11.d4 ed4 12.Rd1=) 11.Qe4 Qd5?? (better is 11...Na6=) 12.Qb4+– c5 13.Qg4 Nc6 14.f4 e4 15.Nc3 Qd4 16.Rf2 Rh8 (16...Ne7 17.Re1 Bc6 18.Qe6+–) 17.Nf5 (17.Nf5 Qd7 18.Ne4+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

    8.Nf3 Be6 9.0–0 Kf7 10.Qh5 g6 11.Qh7 Rg7=.

    8.Nf3 Be6 9.ed5 cd5 10.c3 Ba5 11.d4 e4 12.Nh4 Bf7 (better is 12...Kf7=) 13.Ba3 Ke8 14.Nf5 Qc8?? (better is 14...Qc7 15.0–0 Nc6+/–) 15.Nd6+– (15.Nd6 Kd8 16.Nc8 Kc8 17.0–0+–) 1–0. marekt – guest2115, ICC, 2003.

    8.Nf3 Kf7 9.ed5 cd5 10.Qh5 g6 11.Qh7 Rg7+=.

    8.Nf3 Kf7 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 Be7 12.d3 Qb6 13.Bc1 de4 14.de4 Qa6 15.Be3 Be6 16.Nbd2 (16.Qh8 A) 16...Ba2 17.Bh6 Bf8 18.Nfd2+– (18.Bg7?! Bg7 19.Qd8 Qb5 20.Qc7 Kg8 21.Qc8 Kf7+–); B) 16...Qc4 17.Nbd2 Qc3=) 16...Nd7+= 17.a3 Rd8 18.g4 Kg8 19.Qg3 Bb4 (19...Bb4 20.Rb1 Qa3–/+ (worse is 20...Ba3 21.g5+=); 19...Ba3?! 20.Ng1 Rh7 21.f4=). marekt – Crapov, ChessWorld.net, 2004.

    8.Nf3 Bg4 9.Rg1 Qb6 10.Bc1 Bc5 11.Rf1 Na6+=.

    8.f4 Qb6!? 9.Ne2 (9.fe5 Bc5 10.Ba3 Ba3 11.Na3 Qb2 12.Rb1 Qa3 13.Ne2–+) 9...Bd2 10.Nd2 Qb2+= 11.Rb1 Qa2 12.fe5 de4 13.0–0=.

    8.f4 d4 9.fe5+= fe5 10.Nf3 (10.c3 dc3 11.Bc3 Bc3 12.Nc3 Ke7 13.Nf3+=) A) 10...Bd6 A1) 11.0–0 Ke7 12.c3+= (12.Ng5 Qe8 13.c3+=) 12...d3 13.Ba3+=; A2) 11.0–0 Ke7 12.Ng5 Qe8 13.c3+=; A3) 11.Ne5 Be5 12.Ba3 Kf7 13.Qh5+–; B) 10...Nd7!?+= 11.0–0 Ke7 12.Qg6 Qe8 13.Qg5+/–.

    8.f4 d4 9.Nf3 ef4 (9...Nd7 10.fe5 fe5 11.0–0 Ke7 12.Qg6 Qe8 13.Qg5+/–; 9...d3 10.c3 Bc5 11.fe5 Nd7 12.Ba3 Ba3 13.Na3+/–) 10.Bd4 Be6 11.Qh4 Qc7 12.e5 Nd7 13.ef6+=.

    8.f4 Bd6 9.fe5+= Be5 10.Be5 fe5 11.Ne2 Be6 12.0–0 Ke7 13.ed5 cd5 14.Nbc3 Nc6 15.Rab1 Rb8 16.Rbe1 a6 17.Ng3 Qb6 18.Kh1 Qd4 19.Nf5 Bf5 20.Qf5 Rbf8 21.Qg5 Kd7 22.Rf8+/– Rf8 23.Qg7 Ke8 24.Qb7 Ne7?? 25.Qb8 Kd7 26.Qf8 Qd2 27.Rd1 Qc3 28.Qf2 d4 29.h3 Ke6 30.Qe2 Nd5 31.Re1 Ne3 32.Qa6 Kd5 33.Qa8 Kd6 34.Qd8 Ke6 35.Qg8 Kd6 36.Qf8 Ke6 37.Qh6 Kd5 38.a4 Qe1–+ 39.Kh2 Qf2 40.Qg7 Qf4 41.Kg1 Qf1 42.Kh2 Qf4 43.Kh1?? Qf1 44.Kh2 Qf4 ½–½. orangutanb4 (2030) – behxheti2011 (1890), kurnik, 2011.

    8.f4 Nd7 9.ed5 ef4 (9...cd5 10.fe5 Ne5 11.Be5 fe5 12.Nf3+=) 10.Ne2 (10.dc6 bc6 11.Nf3 Ba6+=) 10...f3 (10...cd5 11.Nbc3 Bc3 12.Bc3+=) 11.gf3 (11.dc6 fe2 12.cd7 Qd7 13.Qh4= (13.Ke2?? Qg4 14.Kf1 Qf4 15.Kg1 Bf5–+)) 11...Ne5 (11...cd5!? 12.Nf4 Nb6+=) 12.Be5+/– fe5 13.dc6 bc6 14.Qe4 Qe7 15.f4 Rh8 (15...Bd6 16.f5+/– (16.Qc6 Bb7 17.Qc3 Bh1–+)) 16.fe5+– (16.Qc6?? Bb7 17.Qc4 Bh1 18.fe5 Rh4–+) 16...Rh5 (16...Rh4 17.Rf1 Kg8 18.Rf4 Rf4 19.Qf4+– (19.Nf4 Qh4 20.Kf1 Rb8+/–)) 17.0–0 (17.Rf1!? Kg8 18.a3 Rh4+–) 17...Kg8 18.d4 Bh3 19.Qc6 Rc8 20.Qd5 Kh8 21.Rf4 (21.Ng3!? Rh4 22.Rf7+/–) 21...Rc2 22.Qa8 Rc8 (22...Bc8 23.Rf2 Qh4=) 23.Qf3+– Qg5 24.Qg3 (better is 24.Kh1+/–) 24...Be1+= 25.Qg5 Rg5 26.Kh1 Rc2 27.Ng3 Rc1 Do you see the mate threat? (27...Rc1 28.Rf1 Rg3 29.hg3 Bf1–+) 0–1. Pommerel,Wim – Verseghi_Nagy,Andras, CiF, 1989.

    8.f4 de4 9.Qe4 Bd6 10.fe5+/– fe5 11.Nf3 Nd7 12.0–0 Nf6 13.Ne5+/– Be5 14.Qe5 Qb6 15.Bd4 c5?? 16.Bc5 (16.Bc5 Qc5 17.Qc5 Kf7 18.Qd5 Be6 19.Qb7 Kg6 20.d4+–) 1–0. orangutanb4 (2035) – w1tt (1800), kurnik, 2011.

    8.f4 ef4 9.a3 Bd6 (9...Ba5 10.Ne2 Qe8 11.Bc3 Bb6 12.d3 de4 13.de4+=; 9...Bc5 10.Ne2 de4 11.Qe4 g5 12.h4 Qe7 13.Nbc3+=) 10.ed5 cd5 11.Ne2 Bg4 12.Qd3 Nc6 13.Nbc3+=.

    8.f4 ef4 9.Ne2 de4 10.Qe4 Qe7 11.Qf4 Rh8 12.h3 Bd6 13.Qf2+=. Trkn – RoyMc, itsyourturn.com, 2000.

    8.f4 ef4!? 9.Ne2 de4 10.Nf4 Qe8=.

    8.f4 ef4 9.Ne2 Kf7 10.Nf4 (10.Qh5 g6 11.Qh7 Rg7 12.Qh6 de4 13.Qf4+=) 10...Bd6 11.Rf1 Qe8 12.Ne2 Nd7 13.ed5=.

    8.c3 Be7

    9.Ba3 Ba3 10.Na3 g5 (10...Qe7 11.Nc2 g5 12.Qh6 Qg7 13.Qg7 Rg7+=; 10...Be6 11.Nf3 Qe7 12.ed5 Bd5 13.Nc2 Bf3+=; 10...Kf7 11.ed5 Rh8+= 12.Qc2 Qd5 13.Nf3 e4+=) 11.c4 de4 12.Qe4 Na6 13.Qe3 Nb4+=.

    9.Ba3 c5 A) 10.Ne2 Nc6 (10...de4 11.Qe4 Nc6 12.f4 Qd6 13.d3 Kf7+=; 10...Kf7 11.ed5 Qd5 12.0–0 Nc6 13.Ng3 Ke8+=) 11.f4 Kf7 12.Qh5 g6 13.Qf3 de4+=; B) 10.Nf3 Nc6 (10...Kf7 11.Nh4 Nc6 12.Qg6 Ke6 13.d3 de4+=; 10...de4 11.Qe4 Nc6 12.0–0 Be6 13.Nh4 Ke8+=; 10...Be6 11.0–0 Nc6 12.Nh4 de4 13.Qe4 Ke8+=) 11.d3 Be6 12.Nh4 d4 13.c4 Qa5+=.

    9.Ba3 de4 10.Qe4 c5 11.Ne2 Nc6 12.f4 Qd6 13.d3 Kf7+=.

    9.Ba3 de4 10.Qe4 Qd5 11.Be7 Ke7 12.Qg6 Nd7 13.Ne2 Nf8–/+.

    9.Ba3 de4 10.Be7 Qe7 11.Qe4 Be6 (11...Na6 12.Ne2+=) 12.Nf3 Nd7 13.Nh4 Bf7 (13...Qd6 14.0–0+=) 14.Nf5 Qc5 15.0–0 Bd5 (15...g6 16.Nh6 Bd5 17.Qc2+=) 16.Qh4 Kf7 (16...Qb5!? 17.Na3 Qd3=) 17.d4 Qf8 18.Nd2 Rh8 19.Qg4 Be6 20.Ne4 g6?? (better is 20...Kg8+/–) 21.Ned6+– (21.Ned6 Qd6 22.Nd6 Ke7 23.Qd1 (worse is 23.Qg6 Kd6 24.de5 Kc7+–) 23...Kd6 24.de5 Ke7 25.Qd6 Kf7 26.ef6+–) 1–0. Trkn – guest6902, ICC, 2005.

    9.Ba3 Be6 A) 10.Be7 Ke7 11.Ne2 Qb6 12.ed5 Bd5 13.Na3 Qb2+=; B) 10.Nf3 Nd7 (10...Ba3 11.Na3 Qe7 12.ed5 Bd5 13.Nc2 Bf3+=; 10...c5 11.d4 ed4 12.cd4 de4 13.Qe4 Bd5+=) 11.0–0 Ba3 12.Na3 Qe7 13.ed5 Bd5–/+; C) 10.f4 ef4 (10...Ba3 11.Na3 ef4 12.Nc2 Qe7 13.Nd4 Bf7–/+; 10...de4 11.fe5 Ba3 12.Na3 Qa5 13.Nc2 Qe5–/+; 10...Ke8 11.fe5 Ba3 12.Na3 Qe7 13.Nc2 Nd7=) 11.Ne2 Ba3 12.Na3 Qe7 13.Nc2 g5–/+; D) 10.Ne2 Ke8 (10...Qa5 11.Be7 Ke7 12.d4 Nd7 13.Nd2 Nf8=; 10...c5 11.f4 Ke8 12.fe5 fe5 13.Qh5 Bf7=; 10...Ba3 11.Na3 Kf7 12.Qh5 Ke7 13.ed5 Bd5=; 10...Nd7 11.d4 Kf7 12.ed5 cd5 13.Be7 Qe7+=) 11.d4 Nd7 12.Be7 Qe7 13.Nd2 g6+=.

    9.ed5 Qd5 10.Nf3 e4=.

    9.Ne2 Nd7 Rh8 11.Qc2 Qd5 12.f3+= Be6 13.d4 ed4+=) 10.d4 (10.ed5 cd5 11.Ba3 Nb6 (11...g6= 12.Qh6 Kf7 13.Be7 Qe7=) 12.0–0 Be6 13.Re1 Qd7=) 10...Nb6 (10...Kf7 11.ed5 cd5 12.Ba3= Ba3 13.Na3 Rh8+=) 11.de5= fe5 12.Nd2 (12.f4 Nc4 13.Bc1 Be6= (13...ef4=)) 12...Be6 (12...Qd6 13.ed5 cd5 14.c4=) 13.Qg6 (13.f4 g6= (13...Qd6=)) 13...Na4 (13...Bf7!? 14.Qg3 Bf6=; 13...Qd7=) 14.Qe6+= Nb2 15.0–0 Nd3 16.Rab1 Rb8 17.c4 d4 (better is 17...Qd6!? 18.Qf5 Qf6 19.Qf6 gf6 20.cd5 cd5 21.ed5 b6+/–) 18.f4+– Bf6? (18...Rh8 19.fe5 Ke8+–) 19.fe5 Nc5 20.Qf5 (20.Rf6?! gf6 21.Qf6 Qf6 22.ef6 d3+=) 20...d3 (20...b6 21.ef6 gf6 22.Qf6 Qf6 23.Rf6 Ke7 24.Rc6 Ne6+–) 21.ef6 g6 (21...gf6 22.Qc5 Ke8 23.Qh5 Kd7 24.Nd4+–) 22.Qc5 Kf7 23.Nf4 b6 24.Qc6 Qd4 25.Kh1 Rbc8 26.Qe6 1–0. mtrc – Slasker9, internet, 2002.

    9.Ne2 Kf7 10.ed5 (10.Qh5 g6 11.Qf3 de4 12.Qe4 Bf5 13.Qa4 Qb6–/+) 10...Rh8 11.Qc2 Qd5 12.f3+= Be6 13.d4 ed4+=.

    9.Nf3 A) 9...de4 10.Qe4 Qd5 (10...Rh8 11.Nh4 Rh6 12.Ng6 Ke8 13.Ne7 Qe7=) 11.Qc2 e4 12.Nd4 c5 13.c4 Qg5–/+; B) 9...Kf7 10.ed5 Qd5 (10...Rh8 11.Qc2 cd5 12.Ba3 Bg4 13.Be7 Qe7+=) 11.0–0 Be6 12.c4 Qc4 13.Be5 Qg4–/+.

    8.ed5 Qd5

    9.Nf3 Nd7 10.0–0 Nc5 11.a3 Ba5 12.Bc3 Bb6 13.Bb4 Ke8 14.Re1 Kd8 15.Nc3+=.

    9.Nf3 Nd7 10.0–0 Nc5 11.c3 A) 11...Qd3 12.Qh4 Ba5+/– 13.Ba3 b6 14.Re1 Qd5 15.d4+/–; B) 11...Na4 12.cb4 Nb2 13.Nc3 Qd7 14.d4 ed4 15.Nd1=; C) 11...Ba5 12.Ba3 (12.d4 ed4 13.Nd4 Kf7 14.Rd1 Rd8 15.Nd2=) 12...Kf7 13.d4 Qe4 14.Qh5 g6 15.Qh7=; D) 11...Nd3 12.cb4 Nb2 13.Nc3 Qd7 14.d4 ed4 15.Nd1=.

    9.Nf3 Nd7 10.0–0 Nc5 11.Bc3 Bc3 12.Nc3 Qe6 13.d4 Qc4 14.Ne4 Ne4 15.Qe4+=.

    9.Nf3 Nd7 10.0–0 Nc5 11.Nc3 Qe6 (11...Bc3!? 12.Bc3 Qe4 13.Qe4 Ne4 14.Bb4 c5+= 15.Rfe1+=) 12.d4+= (12.a3 Bc3 13.Bc3 Na4 14.Qh4 Qg4 15.Be5+=) 12...Bc3 (12...ed4 13.Nd4 Qc4 (13...Qf7 14.a3 Ba5 15.Rab1+=) 14.Nd1+= Na4 15.Ne3=) 13.Bc3 Na4 14.Bb4 Kf7 (14...c5 15.Ba3 Qg4 16.h3+= (16.Bc5?! Nc5 17.dc5 Bf5=)) 15.Qh5 (15.de5+/–) 15...g6 16.Qh7 Rg7 17.Qh6 e4 (better is 17...c5 18.dc5 Qc4+=) 18.Qh8 (better is 18.Nd2 a5 19.Ba3+/–) 18...c5+= 19.dc5 ef3 20.c6?? (20.Rfe1 Qc6 21.Rad1+–) 20...g5?? (20...Qe8 21.Qe8 Ke8 22.Rfe1 Kf7 23.Re7 Kg8 24.Re8 Kh7–/+) 21.Qf8 (better is 21.Rfe1 Bd7 22.Qh5 (worse is 22.Qa8 Qg4 23.Re7 Kg6 24.Rg7 Kf5 25.Rg5 fg5 26.Qf8 Kg6+–) 22...Kg8 23.Re6 (23.cd7?! Qd7 24.Rad1 Qf7 25.Qf3 g4+–) 23...Be6 24.Qf3+–) 21...Kg6–+ 22.Bd2 (22.gf3 Qc6 23.Rfe1 b6–+ (23...Qc2 24.Qe8 Rf7 25.Re7+–)) 22...bc6 (22...Qg4 23.Qf6 Kf6 24.g3 Qh3 25.Bg5 Rg5 26.cb7 Qg2) 23.Qb4 (23.Rfe1 Qg4 24.Qe8 Kh7 25.Qe4 Qe4 26.Re4 Nb6–+) 23...Nb6 (better is 23...Qg4 24.Qg4 Bg4–+) 24.c4 (24.gf3 Qh3 25.Rfe1 Bf5–+) 24...Bb7 (24...Qg4 25.g3 Qh3 26.Qb1 Kf7 27.Qg6 Rg6 28.Bg5 Qg2) 25.c5–+ Nd5 26.Qb1 Kf7 (better is 26...Kh6 27.Qd1 fg2–+) 27.gf3?? (27.Qb7 Kg6 28.Qa8+/–) 27...Rh8 (27...Ba6!? 28.Qe4 Qh3 29.Qg4 Bf1 30.Rf1–+) 28.Re1?? (28.Qb7 Kg6 29.Qb1 Qf5+=) 28...Qh3 (28...Qd7 29.Qb3 Qc7–+) 29.Qb7= Kg6 30.Qb1 (30.Qc6?? g4 (30...Qh2 31.Kf1 Qh3 32.Ke2 Re7 33.Be3–+) 31.fg4 Qh2 32.Kf1 Qh1 33.Ke2 Qe4 34.Kd1 Nc3 35.Bc3 Qc6–+) 30...f5 (better is 30...Kh6 31.Re4 Nf4=) 31.Bf4?? (better is 31.Re6 Kh7 32.Qf1 (32.Rc6?? Nf4 33.Qf1 Qf3–+) 32...Qf3 33.Rae1= (33.Rc6 Nf4–+)) 31...gf4 32.Re6 (32.Qb7 Rgg8 33.Qg7 Kg7 34.Re8 Kh7 35.Rg8 Rg8 36.Kh1 Qf3) 32...Nf6 (32...Kh7 33.Rg6 Rg6 34.Kh1 Qf3) 33.Rf6 (33.Qb7 Rb7 34.Rc6 Kh5 35.Kh1 Rg8 36.Rg1 Rg1 37.Kg1 Rb1) 33...Kf6 34.Kh1 Qh2 0–1. Nautiluschess – bunnyII, ICS blitz, 2001.

    9.Nf3 Nd7 10.0–0 Ke8 A) 11.a3 A1) 11...Be7 12.d4 (12.Nc3 Qf7 13.d4 g5 14.Qf7 Kf7 15.de5=; 12.Re1 Nf8 13.Qh5 g6 14.Qh4 g5 15.Qh5+=) 12...Nf8 13.Qh4 Qc4 14.Qe4 f5 15.Qe5+=; A2) 11...Nf8 12.Qh4 (12.Qh5 g6 13.Qh4 Be7 14.d4 Qc4 15.c3+=) 12...Be7 13.d4 Qc4 14.Qe4 f5 15.Qe5+=; A3) 11...Bd6 12.d4 (12.Nc3 Qf7 13.Rfe1 g5 14.Qd3 Be7 15.Ne4=) 12...Nf8 13.Qh5 g6 14.Qh6 Qb5 15.Qc1+=; A4) 11...Ba5 12.Re1 (12.Nc3 Bc3 13.Bc3 Nf8 14.Qh4 g5 15.Qb4+=; 12.d4 Nf8 13.Qh5 g6 14.Qh4 e4 15.Nfd2=; 12.Bc3 Bc7 13.d4 e4 14.Re1 f5 15.Qg6=) 12...Nf8 13.Qh5 g6 14.Qh6 Be6 15.Nc3=; B) 11.Nc3 B1) 11...Qc4 12.Rfe1 (12.a3 Bc3 13.Bc3 Nf8 14.Qh5 Kd8 15.Rfb1=; 12.d3 Qf7 13.Rfe1 g5 14.Qe4 Be7 15.d4=; 12.Qg6 Kd8 13.Rfd1 Nf8 14.Qg3 Bd7 15.Rab1+=) 12...Bc3 13.Bc3 Nf8 14.Qh5 Kd8 15.Be5=; B2) 11...Qf7 12.Rfe1 (12.Qe4 Be7 13.Qe2 g5 14.d3 Qh5 15.h3–/+; 12.a3 Be7 13.Qh4 Qg6 14.d3 Nb6 15.Rfe1+=; 12.Rfd1 Nb6 13.Qe4 Nc4 14.Rab1 Be6 15.Ba1+=; 12.Rfb1 g5 13.Qe4 Be7 14.d4 g4 15.Nd2+=; 12.d3 g5 13.Qe4 Be7 14.Rfe1 g4 15.Nd2+=) 12...g5 13.Qe4 Be7 14.d4 g4 15.Nd2=; B3) 11...Bc3 12.Bc3= Nf8 13.Qh4 g5 14.Qh5 Qf7 15.Qf7+=; C) 11.Ba3 C1) 11...Ba5 12.d4 (12.Rd1 c5 13.Qg6 Kd8 14.Nc3 Qc4 15.Ne4+=; 12.Qg6 Kd8 13.Rd1 c5 14.Nc3 Qc4 15.Ne4+=; 12.Re1 Kd8 13.Nc3 Bc3 14.dc3 Qf7 15.Bd6=; 12.Nc3 Bc3 13.dc3 Qf7 14.Rfd1 Nb6 15.Nd2+=) 12...ed4 13.Nd4 Ne5 14.c3 Bb6 15.Bd6=; C2) 11...Nf8 12.Qh5 g6 13.Qh4 Ba3 14.Na3 g5 15.Qb4+=; C3) 11...Ba3 12.Na3 Nf8 13.Qh4 g5 14.Qb4 g4 15.Ne1+=; D) 11.Qh4 D1) 11...Bd6 12.Nc3 g5 13.Ng5 fg5 14.Qh6 Qd2 15.Qe6+=; D2) 11...Ba5 12.d4 (12.Nc3 g5 13.Qg3 Bc3 14.Bc3 Nb6 15.Rfb1=; 12.Bc3 Bb6 13.Re1 Kd8 14.d3 g5 15.Qg3+=) 12...g5 13.Qh7 e4 14.Ba3 Qe6 15.Nfd2=; D3) 11...Be7 12.Qg3 (12.Nc3 Qf7 13.Rfb1 g5 14.Qg3 g4 15.Ne1+=; 12.Ba3 g5 13.Qh6 c5 14.Nc3 Qf7 15.Ne1–/+) 12...Nb6 13.Re1 Kd8 14.d3 Qb5 15.Bc3+=; E) 11.Re1 Kd8 12.a3 (12.Qh4 Be7 13.Nc3 Qf7 14.Qh7 Bc5 15.Ne4=; 12.c4 Qf7 13.Ba3 Ba5 14.Qd3 g5 15.Bd6+=) 12...Nf8 13.Qh5 Be7 14.Nc3 g6 15.Nd5+/–.

    9.Nf3 Bg4 10.Nc3 Bc3 11.Bc3 Bf3 12.gf3 Qf3 (12...Nd7 13.Rg1= Kf7 14.a3 Qf3 15.Rb1 b5 16.Bb4+=; 12...Kf7 13.Rb1 (13.a3 Qf3 14.Rg1 Nd7 15.Rb1 b5 16.Bb4+=; 13.Rg1 Nd7 14.a3 Qf3 15.Rb1 b5 16.Bb4+=) 13...b6 14.Rb3 Qf3 15.Rg1 Nd7 16.Bb2+=) 13.Bb4 (13.Rg1!?= Kf7 14.Rg3 Qd5 15.0–0–0 Nd7 16.Rdg1=; 13.Rf1 Nd7 14.Rb1 b6 15.Rg1 Qd5 16.Rb2–/+) 13...Kf7+= 14.Rf1? (better is 14.Rg1+= Na6 15.Bc3 Nc5 16.d3–/+) 14...Na6–+ 15.Ba3? (15.c3 Nb4 16.cb4–+) 15...Qa3 16.Rb1 (16.Rg1 Nc5–+) 16...Qa2 (better is 16...Nc5 17.Rg1 Qa2–+) 17.Rb7 Kf8?? (better is 17...Ke6 18.Qg6 Qa1 19.Ke2 Qd4–+) 18.Qh5?? (better is 18.Qd3 Qd5 19.Qa6–/+) 18...Nc5–+ 19.Rc7 Qb1 (better is 19...Ne4 20.Qd1 Rd8–+) 20.Ke2= Qb5?? (20...Qa2 21.Ke1 Rd8–+) 21.d3+– Nd3 (21...Nd7 22.Rd7 Qd5 23.Rd5 cd5+–) 22.Qf7 1–0. Nautiluschess – Thorgrimm, ICS blitz, 2001.

    9.Nf3 Bg4 10.Nh4 g5 11.h3 Bd7=.

    9.Nf3 g5 10.a3 e4 (10...Be7!?=) 11.Qh6 (11.Bf6 ef3 12.0–0 Qe6 (12...fg2?! 13.Re1 Qd7 14.Qh6 Kf7 15.ab4=) 13.Qh6 Kf7 14.Qh5 Rg6 15.Qf3 g4–+) 11...Ke8 12.ab4 (worse is 12.Bf6 ef3 13.0–0 Be7–/+ (13...Bd2 14.Nd2 Be6 15.Nf3+–); 12.Qf6? Be7 13.Qe5 ef3 14.Qd5 cd5 15.gf3 Nc6–+) 12...ef3 13.0–0 (13.Qf6?? Qe4 14.Kd1 Qe2 15.Kc1 fg2–+; 13.Bf6 Qe6 14.Kd1 Qe2 15.Kc1 fg2–+) 13...Qf5 (13...Qe4!?+=) 14.Ra3 Nd7 (14...Qg6!? 15.Qg6 Rg6 16.Rf3 Kf7+/–) 15.Re1+– Kf7? (better is 15...Kd8 16.Rf3 Qg6 17.Bf6 Nf6 18.Rf6 Qh6 19.Rh6 a5 20.ba5 Ra5+–) 16.Rae3 (16.Rf3?! Qg6 17.Qg6 Kg6+/–) 16...Ne5 17.Be5 Rg6 (17...Qg6 18.Qg6 Kg6+–) 18.Qh7 (18.Qh7 Rg7 19.Qf5 Bf5 20.Rf3+–) 1–0. marekt – Jeremiah1967, internet, 2012.

    6.Qh5 g6

    7.Qh7 Rf8 8.Nc3 d5 (8...Qe7 9.Qg6 Qf7 10.Qf7 Kf7 11.f4+/–) 9.Qg6+/– Ke7 (9...Rf7 10.ed5 Bc3 11.Bc3 Qd5 12.Ne2+/–) 10.a3 Rg8?? (better is 10...Bc5+/–) 11.Qh7+– Ke6 12.ab4 d4 13.Na4 Nd7 14.Nc5 Nc5 (14...Kd6 15.c3 d3 16.g3+–) 15.bc5 Bd7 (15...Qf8 16.Qh3 Kf7 17.Qb3 Kg7+–) 16.f4 Qf8 (16...f5 17.Nf3 Qf6 18.Ne5 Rad8 19.Bd4 Rh8 20.Nd7 Rh7 21.Nf6 Rh6 22.ef5 Kf5 23.g4 Ke6 24.f5 Kf7+–) 17.f5 1–0. Trkn – guest1045, ICC, 2004.

    7.Qh7 Rf8 8.Qg6 Ke7 9.Nf3 d5 10.0–0 Rg8 11.Qh7 Kd6 12.d4 Rh8 13.Qg7 Qf8?? 14.de5+– Kc5 15.Qf8 Rf8 16.c3 de4 17.cb4 Kb5 18.Nc3 Kb6 19.Ne4 fe5 20.Ne5 Nd7 21.Nc4 Kc7 22.Rfd1 Nb6 23.Be5# 1–0. luciano59 (2110) – kolokwium, internet, 2006.

    7.Qh7 Rf8 8.Qg6 Rf7+/–.

    7.Qh7 Kf8

    8.a3 Bc5 9.Nf3 Qb6 10.Be5 fe5 11.Ne5 Rg7 12.Qh8 Rg8 13.Qf6 Ke8 14.Qf7 Kd8 15.Qg8 Kc7+–.

    8.c3 Ba5 9.Nf3 Qe7 10.Ba3 d6 11.Qh6 Ke8 12.0–0=.

    8.c3 Bd6!?=.

    8.c3 Qe7? 9.Qh6+/– Qg7? (better is 9...Kf7 10.cb4 Qb4+/–) 10.Qg7+– Kg7 11.cb4 Na6 (11...d5 12.d4 ed4 13.ed5+–) 12.a3 d5 13.ed5 cd5 14.d4 Re8 (14...e4 15.Nc3 Be6 16.Rc1+–) 15.de5 Re5 (15...g5 16.Kd2 fe5 17.Nf3+–) 16.Be5 fe5 17.Nf3 Nc7 (17...Kf6 18.Nc3 Be6 19.Kd2+–) 18.Ne5 Bf5 19.Kd2 Re8 20.Re1 Ne6 (20...Kf6 21.Nf3+–) 21.Nc3 Nc5 (21...Nd4 22.Ra2 Nb3 23.Kd1 Rc8+–) 22.bc5 Rc8 23.g4 Bg4 24.Ng4 Rc5 25.Re7 Kf8 26.Rae1 b5 (26...Rc7 27.Rc7 d4 28.Nf6 dc3 29.Kc3 b5 30.Re8) 27.Re8 Kf7 28.R1e7 1–0. kolya (2070) – sixersfan31, GameColony.com, 2002.

    8.c3 Be7=.

    8.Bc3 Bc3 9.Nc3 Qe7 10.Qh4 Ke8 11.f4 b5 12.fe5=.

    8.Bc3 Qe7 9.Bb4 Qb4 10.Nc3 Qe7 11.Qh4 Ke8 12.Nf3=.

    8.Nf3 Qe7= 9.Qe7 Ke7 10.a3 Bc5 (10...Ba5 11.Bc3 Bc3 12.Nc3= (worse is 12.dc3 d5–/+)) 11.d4 ed4 12.Bd4 Bd4 (12...Na6 13.Nc3=) 13.Nd4 c5 (13...d6 14.Nc3=) 14.Nb5+= a5 (14...a6!? 15.Nc7 Ra7+=) 15.Nc7+/– Ra7 16.Nc3 b6 (16...a4!?+/–) 17.N3d5+– Kd8 (17...Kf7 18.Nb5 Rb7 19.Nd6 Ke6 20.Nb7 Bb7 21.0–0–0 Bd5 22.ed5 Kd6 23.c4+–) 18.Nb5 Rb7 (18...Ra6 19.Nf6 Rf8 20.e5+–) 19.Nd6 Ra7 (19...Rf8+–) 20.Nc8 Ra6 21.Nd6 (worse is 21.Ndb6 Re8+–; 21.Nf6?! Rf8 22.Nh7 Rh8+–) 21...b5 (21...f5 22.ef5 gf5 23.Kf1+–) 22.Nb7 Kc8 23.Nc5 Re8 24.Na6 Re4 25.Kf1 Na6 26.h4 Nc5 (26...Nc7 27.Nb6 Kb7 28.Nd7+–) 27.h5 Re5 (27...gh5 28.Rh5 Kb7+–) 28.h6 Re8 29.h7 Rh8 30.Ne7 Kd8 (30...Kc7 31.Ng6 Rb8 32.Rb1+–) 31.Ng6 Re8 32.h8Q Rh8 33.Rh8 Kc7 34.Rb1 Kc6 35.Rc8 Kd5 36.Rd1 Kc4 37.Nf8 (37.Nf8 b4 38.Nd7+–) 1–0. pierre_d – the little rascal, ChessWorld.net, 2005.

    8.Nf3 Qe7 9.Qe7 Be7 10.Nc3+=.

    8.Nf3 Qe7 9.Qe7 Be7 10.d4 d5 11.de5 de4 12.ef6=.

    8.Nf3 Qe7 9.Qh4 Ke8= 10.c3 Ba5 11.Ba3 d6 12.0–0=.

    8.Nf3 Qe7 9.Qh6 Ke8 10.a3 Qg7?? (better is 10...Bc5= 11.Nc3 Na6 12.0–0+=; 10...Ba5 11.0–0 d5 12.ed5=) 11.Qg7+– (11.Qg7 Bd2 12.Nfd2 Rg7 13.Nc3+–) 1–0. marekt – geroestet, chessworld.net, 2008.

    7.Qh7 Ke7 A) 8.Nf3 Na6 (8...d6 9.c3 Ba5 10.d4 Be6 11.0–0 Nd7=) 9.c3 Ba5 10.d4 d6 11.0–0 Be6=; B) 8.a3 Ba5 (8...Bc5 9.Nf3 d5 10.d4 ed4 11.Bd4 Bd4+=) 9.Bc3 Bb6 10.Nf3 d5 11.d4 Kf7=; C) 8.c3 Ba5 9.Nf3 d5 10.0–0 Kf7 11.Qh5 g6=; D) 8.Bc3 Na6 9.Nf3 d5 10.ed5 cd5 11.Bb4 Nb4=.

    7.Qh7 Kf7 8.Qh5 Ke7 9.Nf3 d5 10.Qh4 Rh8 11.Qg3 Qg8=.

    8.Nf3 d5

    9.a3!? Be7 10.Nh4+=.

    9.Nc3 Bc3?? 10.Ba3+– (10.Bc3 Qe7 11.Qh6 (11.Qh4 g5 12.Qh6 Ke8 13.ed5 cd5 14.h4 d4+=) 11...Ke8 12.ed5 cd5+= 13.Qh4 g5 14.Qa4 Nc6+=) 10...Ke8 (10...c5 11.Bc5 Ke8 12.Qg8 Kd7 13.Qd5 Kc7 14.dc3 Qd5 15.ed5 Bf5+–) 11.Qg8 Kd7 12.Qf7 1–0. Bonetti,Shane – guest646, ICC, 2002.

    9.Nc3 d4 10.Ne2 Qe7 11.Qe7 (11.Qh4 Bd6 (11...Bc5 12.c3 dc3 13.Bc3 g5 14.Qg3 Ke8+=) 12.c3 Kg7 13.Qg3 Na6 14.d3 dc3+=) 11...Be7 12.0–0 (better is 12.c3 dc3 (12...d3 13.Nc1 f5 14.Ne5 fe4=) 13.Nc3+=Bg4 14.Rd1 c5+=; 12.h3 Na6 13.Kd1 Ke8 14.Rb1 Be6–/+) 12...f5?? (better is 12...Bg4!?–/+ 13.Nc1 Bf3 14.gf3 c5–/+) 13.ef5 (13.Ne5 c5+/–) 13...gf5 (13...Bd6!? 14.Nh4 gf5+=) 14.Ne5+/– f4? (better is 14...c5+/–) 15.Nf4 (15.Bd4 f3 16.Nf3 Bg4+–) 15...Bd6 (15...c5 16.c3 dc3 17.Nfg6 Kg7 18.Bc3+–) 16.Ned3 (better is 16.Bd4!? Bf5+–) 16...Bf4 (16...c5 17.Rfe1 b6 18.h4+–) 17.Nf4 Bf5?! (17...c5 18.c3 Nc6 19.cd4 cd4 20.f3+–) 18.d3 (18.Bd4 b6+–) 18...Nd7? (18...c5+–) 19.Bd4 c5 20.Be3 Re8 21.h3 (better is 21.Rae1+–) 21...Nf6 (21...b6+–) 22.Bc5 Kf7 23.Rfe1 (23.Ba7 Bd7+–) 23...Re1 (23...b6 24.Bd4+–) 24.Re1 Re8 25.Re8 Ne8 26.Ba7 Be6 (26...Nc7 27.Bb6 Na8 28.Be3+–) 27.Ne6 Ke6 28.f4 Nd6 (28...Nc7 29.c4+–) 29.g4 (29.Bd4 b5+–) 29...b5 (29...Nb5 30.f5 Ke5 31.Bb8 Kf6 32.c4+–) 30.h4 1–0. Trkn – Hoek,Laurens, itsyourturn.com, 2000.

    9.Nc3 Qe7 10.Qh6 Qg7 11.Qh4=+.

    9.Nc3 Rg7 10.Qh8 Rg8 11.Qh7 (11.Qh6 Ke7=) 11...Rg7 (11...Qe7 12.Qh6 Qg7 13.Qh4=) 12.Qh8 Rg8 13.Qh7 (13.Qh6 Ke7=) 13...Rg7 (13...Qe7 14.Qh6 Qg7 15.Qh4+=) ½–½. Woschkat,Karl_Heinz – Clayton,D, Telecomm, 1995.

    5.Qh5 g6

    6.Qf3 b5 7.Bg8+= d5!? 8.ed5 Rg8 9.dc6 Na6+/–.

    6.Qf3 b5 7.Bg8+= Rg8 8.Qb3+– Bd2 9.Nd2 d5+–.

    6.Qf3 b5 7.Bg8 Rg8 8.Qb3 d5 9.Qb4 a5 10.Qb3 a4 11.Qc3 (11.Qe3 de4 12.Ne2 Qd6+–) 11...de4+/– 12.Ba3 (12.Qe3 Bf5+/–) 12...Qd5 (12...Qd4!?+/–) 13.Qb4+– Threatening mate... how? 13...Rg7?? (better is 13...Qf7+–) 14.Qf8 Kd7 15.Qg7 Ke6 16.Qe7 (16.Qg8 Kd7 17.Qh7 Ke6 18.Qg6 b4 19.Qe8 Kd6+–) 16...Kf5 17.Nc3 (better is 17.Qh7 Qd8+–) 17...Qd4 (17...Qd7 18.Qf8 c5 19.g4 Ke6 20.Qg8 Qf7 21.Qc8 Qd7 22.Qc5 Nc6 23.Qb5 Kf7+–) 18.Nge2 Qc4 19.g4! 1–0. Hingst,Thomas (2095) – Adler,Bernd (1815), remoteschach.de, 2004.

    6.Qf3 b5 7.Bg8+= Rg8 8.Qb3+– d6?? 9.Qg8 (9.Qg8 Kd7 10.Qh7 Qe7 11.Qg6+–) 1–0. orane – opponent, internet, 2008.

    6.Qf3 Nh6 7.c3=+.

    6.Qf3 Nh6 7.Ne2 d6 8.Qe3 Ng4 9.Qb3 Bc5 10.0–0 Nh6 11.d4= Bb6 12.Nd2 Bc7 13.Rad1 b5 14.Bb5+= cb5 15.Qd5 Bg4 16.f3+/– Nd7 17.fg4 Ng4?? 18.Qe6+– Qe7 19.Qg4 0–0 20.Nc3 a6 21.Nd5 Qd8 22.Qe6 Kg7 23.Ba3 Re8 24.Qe8! Qe8 25.Nc7 Qc8 26.Na8 Qa8 27.Bd6 ed4 28.Nf3 Qe4 29.Rde1 Qc2 30.Re7 Kh6 31.Rd7 Qa2 32.Bf8 Kh5 33.Rh7 Kg4 34.Ne5! (34.Ne5 fe5 35.h3 Kg3 36.Rf3) 1–0. zainovsky – johorean, net–chess.com, 2003.

    6.Qh4 Qe7 7.a3 b5?? 8.Bg8+– Rg8 9.ab4 d6 10.Ne2 Be6 11.0–0 Nd7 12.d4 g5 13.Qh5 Kd8 14.de5 de5 15.Rd1 Kc7? 16.c4! Bf7 17.Qf3 g4 18.Qd3 h5?? 19.Qd7 Qd7 20.Rd7 Kd7 21.cb5 cb5 22.Nec3 Bc4 23.Nd5 Ke6?? 24.Ra6+– Kf7 25.Rf6 Kg7 26.Ra6 Bd5 27.ed5 Rgf8 28.Be5 Kh7 29.Nc3 Rfe8 30.Re6 Re6 31.de6 Re8 32.f4 gf3 33.gf3 Re6 34.Bd4 Rd6 35.Bc5 Rd3 36.Nb5 Rb3 37.Na7 1–0. bratek55 (1635) – arcil (1750), kurnik, 2011.

    6.Qh4 Qe7 7.Nc3 b5 8.Bb3 a5 9.a3 Bc5 10.Nge2 d6 11.f4 Be6 12.Be6 Qe6 13.0–0–0 Ne7 14.d4 ed4 15.Nd4 Bd4 16.Rd4 Na6 17.Rhd1 Rd8 18.Qh6 Kf7 19.g4 b4 20.f5 Qe5 21.ab4 ab4 22.Ne2 Qc5 23.g5 b3 24.c4 Nb4?? 25.gf6+– Nf5 26.ef5 Na2 27.Kb1 Qf5 28.Ka1 Ra8 29.Qg7 Ke6 30.Qe7 (30.Rd6) 1–0. bratek55 (1670) – ronela50 (1660), kurnik, 2011.

    6.Qh4 Qe7 7.Ne2 Na6 8.0–0 Nc7 9.c3 Ba5 10.Kh1 d6 11.d4 Be6 12.Nd2 0–0–0 13.a4 (13.Be6 Qe6 14.Rab1 Qa2+=) 13...f5–/+ 14.Qg3 fe4 15.Qe3 ½–½. Sviridov – Urbanec,L, CSR MSL, 1991.

    6.Qh4 Qe7 7.Ne2 b5 8.Bb3 a5 9.a3 Bd6 10.0–0 c5 (10...a4 11.Ba2+=) 11.Nbc3= c4 12.Ba2 Bb7? (better is 12...Ba6=) 13.Nb5+– Ba6 (13...Bc6 14.Bc4 Bb5 15.Bb5+–) 14.Nec3 Nc6 (14...Bb5 15.Nb5 Nc6 16.Qg3+–) 15.Nd5 g5?? (15...Qf8 16.Nbc7 Bc7 17.Nc7 Ke7 18.Na8 c3 19.Bc3 Bf1 20.Rf1 Qa8+–) 16.Qh5 Qf7 (16...Kd8 17.Ne7 Be7 18.Bc4 Rb8+–) 17.Nd6 1–0. Janek – Sircle, internet, 2018.

    6.Qh4 Ne7 7.Nc3 Bc3 8.Bc3 d5 9.ed5 Nd5 10.Bb2 0–0 11.Ne2 Be6 12.0–0 Nd7 13.Nc3 N7b6 14.Bb3 f5 15.Nd5?? Qh4–+ 16.Nb6 Bb3 17.Na8 Bc2 18.Nc7 Qe7 19.Rfc1 Bd3 20.Rc3 e4 21.Ba3 Qc7 22.Bf8 Kf8 23.g3 h5 24.h4 f4 25.Kg2 f3 26.Kh2 g5! 27.hg5 h4 28.Rc5 hg3 29.fg3 Qh7 30.Kg1 f2! 31.Kf2 Qh2 32.Ke3 Qe2 33.Kd4 Qd2 34.Rf5 Kg7 35.Rh1 e3 36.Re5 e2 37.g6 Be4! 38.Ke4 e1Q 39.Re1 Qe1 40.Kf5 Qf2 41.Kg4 Qd4 42.Kf5 Qd3 43.Kf4 Qg6 44.Re7?? Kf6 45.Rb7 Qg5 46.Kf3 Qd5 47.Kf2 a5 48.a4 Qd4 49.Kf3 c5 50.Rb6 Ke5 51.Rb5 Qd3 52.Kg4 Qf5 53.Kh4 Ke4 54.Ra5 Kf3 55.Rc5 Qg4 0–1. bratek55 – zmrdizkurniku (1830), kurnik, 2011.

    6.Qh4 d5

    7.ed5 Be7 8.dc6 Nc6 9.Bg8 Rg8 10.Qh7 Be6 11.Ne2 Qb6 12.Bc3 Ba2 13.0–0 Bd5 14.Ba5?? Na5–+ 15.Nbc3 Be6 16.Rfb1 Qc7 17.Nb5 Qc2 18.Rc1 Qd3 19.Nc7= Kd7 20.Na8? Ra8–+ 21.Ng3? Nc6 22.Rab1 b6 23.Rc3 Qd2 24.Rbc1?? Rc8 25.Qg6 Bc5?? 26.Ne4?? Qd4?? 27.Nf6?? Kc7 28.Qg7? Kb8–+ 29.Rf3? Qd2 30.Rf1? Bc4 31.Nd7=+ (31.Nd7 Ka8 32.Nc5 bc5 33.Rf8=+) 0–1. bratek55 (1750) – hugr (1620), kurnik, 2011.

    7.ed5 Bf5 8.dc6 Nc6 9.c3 Bc5?? (better is 9...Be7+=) 10.Bg8+/– Rg8 11.Qc4 Bf2 12.Kf2 Rg7 (12...Qb6 13.Ke1 0–0–0 14.Qb3+/–) 13.Ba3 (13.d4 Rc8 14.Qb3 ed4 15.cd4 Nd4 16.Qa4 Nc6+/–) 13...Bd3 (13...Qd3 14.Qb3+/–) 14.Qe6+– Ne7 15.Nf3 (15.Qf6? Rf7 16.Qf7 Kf7–+) 15...Qb6 (15...Rf7 16.Qb3+–) 16.Qb6 ab6 17.Bb2 (17.Ke3 0–0–0+–) 17...Nd5 18.Na3 (18.Re1 Rd7+–) 18...Nf4 (18...b5 19.Ne1 b4 20.Nd3 ba3 21.Bc1+–) 19.g3 Nh3 (19...Ne6 20.Rhe1+–) 20.Kg2 Be4 21.d3 Bc6 22.Kh3 Bf3 23.Rhf1 Be2 (23...g5 24.g4 Be2 25.Rf6 Bd3 26.Rb6+–) 24.Rf6 Ke7 (24...Bd3 25.c4 Re7+–) 25.Rb6 Bf3 (25...Kd8 26.Rd6 Rd7 27.Rd7 Kd7 28.Nc4+–) 26.Nc4 e4 (26...Kd8 27.Ne5 Kc7 28.Rf6+–) 27.de4 Be4 (27...Kd8 28.Rf6 Ra4 29.Nb6+–) 28.Re1 Kd7 29.Re4 Kc7 30.Bc1 Ra2 (30...g5 31.Bg5! Rg5 32.Re7 Kd8 33.Rbb7 Ra6 34.Rh7 Kc8+–) 31.Bf4 Kd8 32.Rd6 Kc7 33.Rde6 (33.Rd2 Kc6 34.Ne5 Kc7 35.Rc4 Kb6 36.Be3 Ka6 37.Ra2 Kb5 38.Rb4) 33...Kd7 (33...Kd8 34.Re8 Kd7 35.Nb6 Kc6 36.R8e6 Kb5 37.R4e5 Ka6 38.Nc8 b6 39.Rb6) 34.Nb6 Kd8 35.Re8 1–0. Adlai – Starr, corr, 2018.

    7.ed5 Bf5 8.d6 Qd6 9.Bg8 Rg8 10.Qh7 Qd5 11.Qb7 Qg2 12.Qa8 Bd6–/+.

    7.ed5 Bf5 8.d6 Bd6 9.Bg8 A) worse is 9...Bc2 10.Qc4 (worse is 10.Bh7 Ke7+=) 10...Qe7 11.Qc2 Rg8 12.Nc3+/–; B) 9...Rg8 10.Qh7 Be6 11.Qb7 Qb6 12.Qb6 ab6+=.

    7.ed5 cd5??

    8.Bb3?? Nc6–/+ 9.Ne2 Be6 10.0–0 Qd7 11.a3 Bd6 12.Nbc3 g5 13.Qh5 Bf7 14.Qf3 d4 15.Bf7 Qf7 16.Ne4 Bc7 17.N2g3 0–0–0 18.Rab1 h5 19.Nf5 g4 20.Qe2 Nge7 21.Ne7 Qe7 22.Qb5 f5 23.Bd4? fe4 24.Qb7 Kd7 25.Ba7 Na7 26.Qa7 Ra8 27.Qe3 Rab8 28.Rbd1 Ke6 29.Qe4 Qa3 30.d4 Rhf8 31.d5 Ke7 32.Qh7 Rf7 33.Qh5 Qb4 34.Rfe1 Qf4=+ 35.Qh4 Kd6 36.Rf1 Bb6 0–1. nizinna – blitz12 (1755), kurnik, 2011.

    8.Bb5 Nc6

    9.Qb4 a5 10.Bc6 bc6 11.Qc5 Bd7 12.Ba3 Rb8?? 13.Qf8 1–0. bratek55 (1700) – andrzejek054, kurnik, 2011.

    9.Qb4 Bd7 10.Qc5 Rc8 A) 11.Qd6 A1) 11...Bg4 12.Qd8 (12.Qa3 Nge7 13.h3 Bf5 14.Nf3 Bc2 15.0–0 0–0 16.Rc1; 12.Qb4 Qd7 13.Qb3 a6 14.Bc6 Qc6 15.Na3 Ne7 16.f3) 12...Kd8 13.Na3 Nge7 14.f3 Bd7 15.Kf2 a6 16.Be2; A2) 11...Nce7 12.Na3 (12.Qd7 Qd7 13.Bd7 Kd7 14.Ne2 d4 15.c3 d3 16.Nc1; 12.Bd7 Qd7 13.Qd7 Kd7 14.Ne2 Nh6 15.f4 d4 16.Na3) 12...Bb5 13.Nb5 Nf5 14.Qd8 Kd8 15.0–0–0 Rc5 16.Nc3; A3) 11...Bf5 12.Qd8 Kd8 13.Na3 a6 14.Be2 Nb4 15.Bc3 Nc2 16.Nc2; A4) 11...Qe7 12.Qd5 (12.Qe7 Nge7 13.Na3 Nf5 14.Ne2 a6 15.Bc6 Bc6 16.0–0; 12.Qa3 Kf7 13.c3 a6 14.Be2 e4 15.Qb3 Be6 16.Nh3) 12...Nb4 13.Qd7 Qd7 14.Bd7 Kd7 15.Na3 Rc2 16.Nc2; B) 11.Bd3 B1) 11...Nd4 12.Qa7 Nc2 13.Bc2 Rc2 14.Qb7 Rc6 15.Ba3 d4 16.Nf3; B2) 11...Qe7 12.Qd5 (12.Qe7 Nge7 13.Nc3 Kf7 14.Nb5 Ke6 15.Ba3 e4 16.Bf1) 12...Nb4 13.Qb7 Rc2 14.Bc2 Nc2 15.Kf1 Na1 16.Ba1; B3) 11...e4 12.Be2 Nce7 13.Qb4 Rc2 14.Na3 Rc8 15.Nb5 Bb5 16.Qb5; B4) 11...Nge7 12.Nc3 e4 13.Be2 Bf5 14.Nh3 0–0 15.Nf4 b6 16.Qa3; C) 11.Na3 C1) 11...Nd4 12.Bd7 (12.Qb4 a5 13.Bd7 Qd7 14.Qa5 Nc2 15.Nc2 Rc2 16.Qb6) 12...Qd7 13.Qa7 Nc2 14.Nc2 Rc2 15.Qb6 Rc6 16.Qb3; C2) 11...Nge7 12.Qd6 (12.Be2 0–0 13.Qd6 a5 14.Bb5 Bf5 15.Qd8 Rfd8 16.f4) 12...0–0 13.Nf3 Bg4 14.Qd8 Rfd8 15.Nh4 g5 16.h3; D) 11.Qa3+– Nge7 12.Ne2 a5 13.c3 Nb8 14.Qb3 Na6 15.Ba3 Nc5 16.Bc5.

    9.Qb4 Bd7 10.Qc5 d4 11.Na3 b6 (11...Qe7 12.Qd5+– (12.Qc4 a6 13.Bc6 Bc6 14.Nf3 Nh6 15.0–0 Bf3 16.gf3) 12...a6 13.Bc4 f5 14.Ne2 Nf6 15.Qf3 Kf8 16.0–0; 11...a6 12.Be2 (12.Bc4 Qa5 13.Qa5 Na5 14.f4 b5 15.Bd3 b4 16.Nc4) 12...b5 13.Nf3 Qe7 14.Qd5 Qf7 15.Qd6 Qe6 16.Qe6) 12.Qd6 (12.Qc4 Nge7 13.Nf3 a6 14.Ba6 Na5 15.Qe2 Nd5 16.Qe4) 12...Nge7 (12...Qb8 13.Nc4 (13.Bc6?! Qd6 14.Ba8 b5= 15.Nf3 Qc5 16.c3) 13...Qd6 14.Nd6 Kf8 (14...Ke7 15.Ba3 Kf8 16.f4) 15.Nh3+– (15.Nf3 Nge7 16.0–0) 15...Nb4 16.Bd7) 13.Qf6 Rf8 14.Qg5 Nb4 (14...Nd5 15.Nf3 Qg5 16.Ng5+–; 14...a6 15.Bc4 b5 16.Bb3) 15.Qe5 Bb5 16.Qb5 Nbc6 (16...Nec6 17.Nf3 Qe7 18.Kf1+–) 17.Nf3 d3 (17...Qd5 18.0–0+–) 18.0–0 dc2 (18...Qd5 19.cd3 Qb5 20.Nb5+–) 19.Rfe1 a6 (19...Rc8+–) 20.Qc6 Qd7 21.Qa8 1–0. happy – ally, internet, 2011.

    9.Qb4 Bd7 10.Qc5 d4 11.Ne2 A) 11...Nge7 12.0–0 Rc8 13.Na3 0–0 14.Qd6 Bf5 15.Qd8 Rcd8 16.Ng3; B) 11...Qe7 12.Qd5 (12.Qa3 Nh6 13.0–0 Nf5 14.Re1 Qa3 15.Na3 0–0–0 16.Ng3; 12.Qc4 Qb4 13.Ba3 Qc4 14.Bc4 Nge7 15.d3 Na5 16.Nd2) 12...Qf7 13.Qf7 Kf7 14.0–0 a6 15.Bc4 Kg7 16.f4; C) 11...Qa5 12.Ba3 (12.0–0 a6 13.Ba3 Nge7 14.Bd3 Qc5 15.Bc5 Bf5 16.Na3; 12.Na3 Qb4 13.Qb4 Nb4 14.0–0 Ne7 15.f4 Bb5 16.Nb5) 12...Nge7 13.0–0 a6 14.Bd3 Qc5 15.Bc5 Bf5 16.Na3; D) 11...Qb6 12.Qb6 ab6 13.c3 Nge7 14.0–0 Nf5 15.Na3 dc3 16.Nc3.

    9.Qb4 Bd7 10.Qc5 d4 11.Nf3 Qb6 12.Qb6 ab6 13.Na3 Nb4 14.c3 dc3 15.dc3 Nc2 16.Nc2.

    9.Qb4 Nge7

    10.Qa4 A) 10...a6 A1) 11.Nf3 0–0 (11...Bf5 12.Bc6 Nc6 13.Na3 b5 14.Qb3 b4 15.Nb1 0–0 16.0–0 Na5; 11...Be6 12.Be2 d4 13.0–0 b5 14.Qa3 e4 15.Ne1 0–0 16.d3 f5; 11...d4 12.Ba3 Bd7 13.Bd3 Be6 14.Bc5 Qd5 15.Bb6 Nc8 16.c4 dc3; 11...Bd7 12.Bc6 bc6 13.0–0 0–0 14.Qa3 c5 15.d3 e4 16.de4 de4) 12.Bc6 bc6 13.0–0 c5 14.d3 Rb8 15.Bc3 Qd7 16.Qd7 Bd7; A2) 11.Ne2 0–0 (11...Bf5 12.Bc6 Nc6 13.0–0 Qb6 14.Qa3 d4 15.d3 Nb4 16.Rc1 Rc8; 11...Bd7 12.Bc6 Bc6 13.Qb3 d4 14.0–0 Bd5 15.Qb4 0–0 16.c4 Nc6; 11...Rb8 12.Bc6 bc6 13.Ba3 Bf5 14.0–0 0–0 15.f3 d4 16.d3 Re8) 12.Bc6 Nc6 13.0–0 b5 14.Qh4 Bf5 15.d3 Qa5 16.a4 b4; A3) 11.Bc6 Nc6 (11...bc6 12.Ne2 Rb8 13.Ba3 d4 14.0–0 0–0 15.d3 Rf7 16.Nd2 Qd5) 12.Nf3 b5 13.Qb3 Kf7 14.0–0 Be6 15.Qe3 d4 16.Qe2 Nb4; B) 10...Bd7 B1) 11.Ne2 a6 (11...0–0 12.0–0 a6 13.Bc6 Bc6 14.Qb3 Kg7 15.d3 d4 16.Ba3 Qc7; 11...Nf5 12.Nbc3 a6 13.Bd3 Nce7 14.Qb4 e4 15.Be4 Nc6 16.Qb3 de4; 11...Rc8 12.Nbc3 a6 13.Bc6 Bc6 14.Qg4 d4 15.Nd1 Bd5 16.c3 h5; 11...Kf7 12.0–0 a6 13.Bc6 Bc6 14.Qb3 Nf5 15.f4 e4 16.g4 Nh4) 12.Bc6 Bc6 13.Qb3 d4 14.0–0 Bd5 15.Qd3 Qb6 16.Ba3 Nf5; B2) 11.Nf3 0–0 (11...a6 12.Bc6 bc6 13.0–0 Rb8 14.Bc3 0–0 15.Qa6 Nf5 16.d3 Qe7; 11...e4 12.Nd4 0–0 13.0–0 a6 14.Bc6 bc6 15.Qa3 Rb8 16.Nc3 c5; 11...Nf5 12.Nc3 a6 13.Bd3 e4 14.Nd5 Ncd4 15.Qc4 ef3 16.Bd4 fg2; 11...Kf7 12.0–0 a6 13.Bc6 bc6 14.d3 Rb8 15.Bc3 c5 16.Qa3 Bc6) 12.0–0 a6 13.Bc6 bc6 14.Qa3 Bg4 15.Nc3 Nf5 16.Ne2 Nd6; C) 10...Bf5 C1) 11.Ne2 a6 12.Bc6 Nc6 13.d3 Kf7 14.0–0 Qb6 15.Qa3 Kg7 16.Nbc3 Nb4; C2) 11.Nc3 a6 (11...d4 12.Nce2 a6 13.Bc6 Nc6 14.Nf3 d3 15.cd3 Qd3 16.Qb3 Qb3) 12.Bc6 Nc6 13.Nf3 d4 14.Ne2 Qd5 15.0–0 0–0 16.c4 Qa5; C3) 11.Nf3 a6 12.Bc6 Nc6 13.0–0 Qb6 14.Ba3 d4 15.d3 Qb5 16.Qb5 ab5; D) 10...0–0 D1) 11.Ne2 a6 (11...Bd7 12.0–0 a6 13.Bc6 Bc6 14.Qb3 Kg7 15.Na3 d4 16.Ng3 Bd5) 12.Bc6 Nc6 13.0–0 b5 14.Qh4 Bf5 15.d3 Qa5 16.a4 b4; D2) 11.Nc3 Bd7 (11...d4 12.Nce2 Be6 13.Nf3 a6 14.Bc6 Nc6 15.0–0 Bd5 16.Ng3 Qd7; 11...a6 12.Bc6 bc6 13.Nge2 Bf5 14.Ng3 d4 15.Nce2 Qd5 16.0–0 Rfb8; 11...Be6 12.Nf3 e4 13.Nd4 Nd4 14.Qd4 Nf5 15.Qa4 a6 16.Be2 b5) 12.Nge2 a6 13.Bc6 Bc6 14.Qb3 Kg7 15.d4 Qc7 16.0–0 b5; D3) 11.Nf3 Bd7 (11...a6 12.Bc6 bc6 13.0–0 c5 14.d3 Rb8 15.Bc3 d4 16.Ba5 Qd5; 11...e4 12.Nd4 a6 13.Be2 b5 14.Nc6 Nc6 15.Bb5 Ne7 16.Be2 Rb8; 11...Nf5 12.0–0 e4 13.Nd4 Ncd4 14.Bd4 a6 15.Bc5 Rf7 16.Nc3 Bd7; 11...Qb6 12.Ba3 Rf7 13.Nc3 e4 14.Ng1 Bf5 15.Rb1 Qd8 16.Nge2 d4) 12.0–0 a6 13.Bc6 bc6 14.Qa3 c5 15.Nc3 e4 16.Ne1 Rb8.

    10.Qb3+–.

    10.Nc3 0–0 A) 11.Qa3 Nd4 (11...Kg7 12.Nge2 Bf5 13.Ba4 a6 14.Bb3 d4 15.Na4 b5 16.Nc5 b4; 11...Bf5 12.Nf3 a6 13.Bc6 bc6 14.d3 d4 15.Ne4 Nd5 16.0–0 Bg4; 11...a6 12.Bc6 Nc6 13.Nge2 Na5 14.d3 d4 15.Ne4 f5 16.Nd2 Qc7) 12.Ba4 Bf5 13.Nf3 Nc2 14.Bc2 Bc2 15.0–0 Be4 16.Qb3 Rf7; B) 11.Qa4 d4 (11...Bd7 12.Nge2 a6 13.Bc6 Bc6 14.Qb3 Kg7 15.d4 Qa5 16.Ba3 Rf7; 11...Rb8 12.Ba3 a6 13.Bc6 bc6 14.Nge2 d4 15.Ne4 Be6 16.0–0 Bd5; 11...a6 12.Bc6 bc6 13.Nge2 d4 14.Ne4 Bf5 15.N4g3 Qd5 16.0–0 Rab8) 12.Nce2 Be6 13.Nf3 a6 14.Bc6 Nc6 15.0–0 Bd5 16.Ng3 Qd7.

    10.Qc5 A) 10...0–0 A1) 11.Nf3 b6 (11...Bg4 12.Bc6 bc6 13.Ba3 Re8 14.Nc3 Qd7 15.Nh4 Rab8 16.Qd6 Qd6; 11...e4 12.Nd4 Nd4 13.Bd4 Nf5 14.Nc3 Be6 15.0–0 Nd4 16.Qd4 Qb6) 12.Qc3 Bd7 13.0–0 e4 14.Bc6 Nc6 15.Nd4 Rc8 16.Na3 Ne5; A2) 11.Na3 b6 (11...Bd7 12.Nf3 Rc8 13.Qd6 e4 14.Nd4 Nd4 15.Bd4 Bb5 16.Qd8 Rfd8; 11...a6 12.Bc6 Nc6 13.Nf3 Bg4 14.0–0 Bf3 15.gf3 Qd7 16.Rfe1 Rac8; 11...Be6 12.Nf3 b6 13.Qe3 a6 14.Bc6 Nc6 15.0–0 d4 16.Qe2 Qd5; 11...Bg4 12.h3 Be6 13.Nf3 b6 14.Qe3 a6 15.Bc6 Nc6 16.c3 Ne7; 11...Qb6 12.Qb6 ab6 13.Ne2 Be6 14.0–0 Nf5 15.Rfe1 Nd6 16.Nf4 Bf7; 11...Rb8 12.Nf3 a6 13.Be2 b6 14.Qc3 b5 15.Qc5 b4 16.Nb1 e4; 11...Bf5 12.Nf3 a6 13.Be2 Rc8 14.Qe3 Be6 15.Nh4 d4 16.Qg3 Nb4) 12.Qc3 Be6 13.Nf3 d4 14.Qd3 Bd5 15.Qe2 Qd6 16.0–0 Qb4; A3) 11.Ne2 b6 (11...Qa5 12.Na3 Bg4 13.f3 Bf5 14.Kf2 Qd2 15.Bc3 Qh6 16.Bc6 Nc6; 11...Bf5 12.0–0 Rc8 13.Ba3 b6 14.Qd6 Qd6 15.Bd6 Rfd8 16.Be7 Ne7; 11...Be6 12.Nbc3 b6 13.Qa3 d4 14.Ne4 Qd5 15.Qb3 a6 16.Bd3 Qb3) 12.Qc3 Bd7 13.Na3 a6 14.Bc6 Nc6 15.0–0 Qe7 16.Qb3 Qd6; B) 10...Kf7 B1) 11.Ne2 Bf5 (11...a6 12.Bc6 bc6 13.Na3 Rb8 14.Rb1 d4 15.f4 Qd5 16.Qd5 cd5; 11...Qa5 12.Na3 Bf5 13.Ng3 b6 14.Qc3 Qc3 15.Bc3 Be6 16.0–0 a6; 11...Bg4 12.f3 Bf5 13.Na3 Qa5 14.Ng3 b6 15.Qc3 Qc3 16.Bc3 Be6; 11...Be6 12.Nbc3 Qa5 13.Qa3 a6 14.Bc6 Nc6 15.0–0 Qa3 16.Ba3 b5; 11...Qb6 12.Qb6 ab6 13.0–0 g5 14.Nbc3 Bf5 15.d3 Kg6 16.a4 Be6) 12.0–0 Qa5 13.a4 a6 14.Bc3 Qc7 15.Bc6 Qc6 16.Qc6 Nc6; B2) 11.Nf3 Bg4 (11...Bf5 12.Na3 Qb6 13.Qe3 Nb4 14.0–0 Nc2 15.Qb6 ab6 16.Nc2 Bc2; 11...Qb6 12.Ba3 e4 13.Nd4 Qc5 14.Bc5 Nd4 15.Bd4 Nf5 16.Bc5 Be6) 12.Na3 Bf3 13.gf3 b6 14.Qe3 Nf5 15.Qd3 Nb4 16.Qb3 Qd6; C) 10...Be6 C1) 11.Nf3 0–0 (11...a6 12.Bc6 Nc6 13.Nc3 Kf7 14.0–0 Qe7 15.Qe7 Ne7 16.Ba3 d4; 11...Kf7 12.0–0 d4 13.Bc4 Bc4 14.Qc4 Nd5 15.Na3 a6 16.c3 dc3) 12.0–0 d4 13.Re1 Qd7 14.d3 b6 15.Qa3 a6 16.Bc6 Nc6; C2) 11.Ne2 0–0 (11...Kf7 12.0–0 a6 13.Bc6 Nc6 14.f4 e4 15.Nd4 Nd4 16.Qd4 Rc8; 11...Rc8 12.Nbc3 0–0 13.Bd3 e4 14.Nf4 Bg4 15.Bf1 b6 16.Qb5 a6; 11...Qa5 12.0–0 a6 13.Bc6 Nc6 14.Qa5 Na5 15.d3 d4 16.Nd2 Rc8; 11...a6 12.Bc6 Nc6 13.Nbc3 Qe7 14.Ba3 Qc5 15.Bc5 b5 16.0–0 b4; 11...d4 12.Na3 Qd5 13.Qd5 Nd5 14.0–0 a6 15.Bd3 Ndb4 16.Be4 Na2) 12.Nbc3 b6 13.Qa3 d4 14.Ne4 Qd5 15.Qb3 a6 16.Bd3 Qb3; C3) 11.Nc3 0–0 (11...Kf7 12.Nf3 b6 13.Qa3 a6 14.Bc6 Nc6 15.Na4 d4 16.0–0 e4; 11...Qa5 12.Nf3 Kf7 13.Qa3 Qa3 14.Ba3 a6 15.Bc6 Nc6 16.Bc5 Rab8; 11...a6 12.Bc6 Nc6 13.Nf3 Qe7 14.Ba3 Qc5 15.Bc5 Kf7 16.0–0 b5) 12.Nge2 b6 13.Qa3 d4 14.Ne4 Qd5 15.Qb3 a6 16.Bd3 Qb3; D) 10...a6 D1) 11.Be2 b6 (11...0–0 12.Nf3 Bg4 13.h3 Bf3 14.Bf3 Rc8 15.Qa3 Nf5 16.Nc3 e4; 11...Bf5 12.Nf3 Rc8 13.Qa3 0–0 14.0–0 Bc2 15.Rc1 Bf5 16.d3 Qa5) 12.Qa3 0–0 13.Nf3 Be6 14.0–0 Nf5 15.Re1 e4 16.g4 Nd6; D2) 11.Bc6 bc6 12.Na3 Rb8 13.Rb1 0–0 14.Ne2 Be6 15.0–0 d4 16.Ba1 Qd7.

    10.Bc6 bc6 11.Ne2 0–0 12.Ba3 Rf7 13.0–0 Be6 14.Qd6 Qc8 15.d4 Nf5 16.Qc5 e4 17.Ng3 Ng7 18.Nd2 f5 19.f4 h6 20.Rab1 Kh7 21.Rb2 Bd7 22.Rfb1 Ne6 23.Qd6 Nd4 24.Bc5 Nb5+/– 25.Qe5 Nc7? 26.c4 dc4 27.Nc4 Nd5?? 28.Nd6 Qg8 29.Nf7 Qf7 30.Rb8 Rb8 31.Rb8 Qg7 32.Qg7 Kg7 33.Rb7 Nf6 34.Bd4 Kf7 35.Bf6 Ke6 36.Bd4 a5 37.Ne2 g5 38.fg5 hg5 39.Nc3 Be8 40.Kf2 Bg6 41.Rb6 Kd6 42.Bf6 f4 43.Bg5 e3 44.Ke1 Kc5 45.Rb8 1–0. orangutanb4 (1850) – shkaba2010 (1735), kurnik, 2011.

    10.Ne2 0–0 11.Qa4 (11.Qc5 Qa5 (11...Bf5 12.0–0 Rc8 13.Nbc3 a6 14.Bc6 Rc6 15.Qb4 d4 16.Ba3 dc3; 11...b6 12.Qc3 Bd7 13.Na3 a6 14.Bc6 Nc6 15.0–0 Qe7 16.Qb3 Qd6; 11...a6 12.Bc6 bc6 13.Na3 Rb8 14.Rb1 Be6 15.0–0 d4 16.Ba1 Qd7; 11...Be6 12.Nbc3 b6 13.Qa3 d4 14.Ne4 Qd5 15.Qd6 Qd6 16.Nd6 Nb4; 11...Bg4 12.f3 Bf5 13.0–0 b6 14.Qe3 Bc2 15.Rc1 d4 16.Qa3 d3; 11...Rb8 12.Ba3 Re8 13.Nbc3 a6 14.Ba4 b6 15.Qd6 b5 16.Qd8 Rd8; 11...Bd7 12.Nbc3 b6 13.Qd6 Bf5 14.Qd8 Rfd8 15.d3 a6 16.Ba4 b5) 12.Na3 Be6 13.Rb1 a6 14.Bc3 Qc7 15.Bc6 Nc6 16.Bb4 Rfd8) 11...a6 (11...Bd7 12.0–0 a6 13.Bc6 Bc6 14.Qb3 Kg7 15.Na3 d4 16.Qd3 Nd5; 11...Rb8 12.Nbc3 a6 13.Bc6 bc6 14.Ba3 d4 15.Ne4 Bf5 16.Nd6 Be6; 11...Na5 12.Bc3 Nec6 13.0–0 a6 14.Bc6 Nc6 15.Na3 Be6 16.Rfb1 d4; 11...Bf5 12.0–0 a6 13.Bc6 Nc6 14.d3 b5 15.Qh4 Qa5 16.a4 b4; 11...Be6 12.Nbc3 a6 13.Bd3 Qd7 14.f3 e4 15.fe4 b5 16.Qa3 b4; 11...Qc7 12.Nbc3 Be6 13.0–0 a6 14.Bc6 Qc6 15.Ba3 Rf7 16.f3 b5) 12.Bc6 Nc6 (12...bc6 13.0–0 Rb8 14.Ba3 Bf5 15.f3 d4 16.d3 Rf7) 13.0–0 (13.Nbc3 b5 14.Qb3 Be6 15.0–0 Re8 16.Nd1 d4) 13...b5 14.Qh4 (14.Qb3 b4 15.d4 Bf5 16.Nd2 a5) 14...Qb6 (14...Be6 15.d3 Qa5 16.a4 b4) 15.d3 (15.Nbc3 Qc5 16.Nc1 Bf5) 15...Be6 (15...Qc5 16.Rc1 Bf5) 16.Nd2 Rac8 17.Rfc1 d4 18.Ne4 Nb4? (better is 18...Kg7+–) 19.Nf6 Kg7 20.Nh7 Rh8 (20...Rfd8 21.Qe7 Bf7 22.Qe5 Kh7 23.Bd4 Rd4 24.Nd4 Qc7 25.Qc7 Rc7+–) 21.Nd4! Rh7 (21...ed4 22.Bd4 Double attack (22.c3 Decoy)) 22.Ne6 Qe6 23.Qb4 Rch8 (23...Kg8 24.a4 ba4 25.Qe4+–) 24.Qe4 Rh5 25.Re1 1–0. pierre – znak, internet, 2011.

    10.Ne2 a6 A) 11.Qa3 Bf5 (11...0–0 12.Bc6 Nc6 13.Nbc3 d4 14.Ne4 Bf5 15.Qb3 Rf7 16.f3 Na5; 11...Rb8 12.Ba4 b5 13.Bb3 a5 14.c3 Ba6 15.Qc5 0–0 16.a3 Qd7) 12.Bc6 Nc6 13.0–0 Kf7 14.d3 b5 15.Nd2 b4 16.Qb3 a5; B) 11.Bc6 Nc6 (11...bc6 12.d4 Qc7 13.Qc3 e4 14.0–0 Bg4 15.Ng3 0–0 16.Nd2 Rab8) 12.Qc5 d4 13.Na3 Qe7 14.Qe7 Ke7 15.Nc4 Bf5 16.0–0–0 b5.

    10.Nf3 0–0 A) 11.Qc5 b6 (11...e4 12.Nd4 Nd4 13.Bd4 b6 14.Qc3 Nf5 15.0–0 Be6 16.Qb4 Qc7; 11...a6 12.Bc6 bc6 13.0–0 Rb8 14.Ba3 Rf7 15.Nc3 Bf5 16.Rab1 Rb1; 11...Bg4 12.0–0 Rc8 13.Qa3 Nf5 14.Rc1 a6 15.Bc6 Rc6 16.h3 Bf3) 12.Qc3 Bd7 13.0–0 e4 14.Bc6 Nc6 15.Nd4 Rc8 16.Na3 Ne5; B) 11.Qa4 a6 (11...e4 12.Nd4 Nd4 13.Bd4 a6 14.Be2 b5 15.Qa3 Nc6 16.Bc5 Rf7; 11...Bd7 12.0–0 a6 13.Bc6 bc6 14.d3 Rb8 15.Bc3 c5 16.Qa6 Nc6; 11...Qb6 12.Ba3 Rf7 13.Bc6 Qc6 14.Nc3 Qa4 15.Na4 Nc6 16.c3 b6; 11...Nf5 12.0–0 e4 13.Nd4 Ncd4 14.Bd4 Nd4 15.Qd4 Be6 16.Nc3 Qb6) 12.Bc6 bc6 13.0–0 e4 14.Nd4 c5 15.Nc6 Qd6 16.Ne7 Qe7.

    10.Nf3 a6 A) 11.Qa3 0–0 (11...Be6 12.Bc6 Nc6 13.d3 Kf7 14.Nc3 Qe7 15.Qe7 Ne7 16.Kd2 b5; 11...d4 12.0–0 Be6 13.Bd3 0–0 14.Re1 Qd7 15.Qc5 Nd5 16.c3 Rfc8; 11...Bg4 12.Bc6 bc6 13.0–0 0–0 14.Nc3 Bf3 15.gf3 Qd7 16.Na4 Ra7; 11...Bf5 12.Be2 0–0 13.0–0 Bc2 14.Qc5 Bf5 15.Nc3 Rc8 16.Ba3 Rf7) 12.0–0 Bg4 13.Bc6 bc6 14.Nc3 Bf3 15.gf3 Nf5 16.Na4 d4; B) 11.Bc6 bc6 (11...Nc6 12.Qc5 Qe7 13.Qe7 Ke7 14.Nc3 Be6 15.Ba3 Kf7 16.Bc5 Rab8) 12.0–0 Bf5 13.d3 Rb8 14.Qa3 0–0 15.Nbd2 c5 16.Rab1 e4.

    10.Nf3 Bd7 A) 11.Qc5 Qb6 (11...a6 12.Be2 Rc8 13.Qa3 0–0 14.0–0 e4 15.Nd4 Qb6 16.Nc6 Nc6; 11...0–0 12.Nc3 e4 13.Nh4 a6 14.Nd5 ab5 15.Nf6 Rf6 16.Bf6 Be6; 11...b6 12.Qd6 0–0 13.Nc3 Bf5 14.Ba3 Qd6 15.Bd6 Rfd8 16.Be7 Ne7; 11...Rc8 12.Qd6 a6 13.Ba4 0–0 14.Nc3 Bg4 15.Ba3 Qd6 16.Bd6 Bf3; 11...Qa5 12.Na3 Qb4 13.Qc3 a6 14.Be2 Qc3 15.Bc3 Nf5 16.d3 b5) 12.Qb6 ab6 13.0–0 Nb4 14.Na3 Bb5 15.Nb5 Kd7 16.a4 Nc2; B) 11.Qd6 0–0 (11...Kf7 12.0–0 Bf5 13.Qa3 Bc2 14.Rc1 Be4 15.Be2 Bf3 16.Bf3 Rc8; 11...Qb6 12.Nc3 e4 13.Nh4 a6 14.Bc6 Qc6 15.Ba3 Qd6 16.Bd6 g5) 12.Nc3 a6 13.Bc6 Bc6 14.Ba3 Rf7 15.Qd8 Rd8 16.d3 Nf5.

    10.Nf3 Bf5 A) 11.Qa4 a6 (11...0–0 12.Nc3 d4 13.Ne2 a6 14.Bc6 Nc6 15.Ng3 Be6 16.0–0 Qd5) 12.Bc6 Nc6 13.0–0 Qb6 14.Qa3 d4 15.d3 Nb4 16.Rc1 Rc8; B) 11.Qc5 Kf7 (11...0–0 12.0–0 Rc8 13.Nc3 Nd4 14.Qa7 Nb5 15.Nb5 Rc2 16.Ba3 Qd7; 11...Rc8 12.Nc3 a6 13.Bc6 Rc6 14.Qb4 d4 15.Ne2 a5 16.Qb5 Kf7; 11...Qb6 12.Qb6 ab6 13.Nc3 Ra5 14.d4 e4 15.Nd2 Kf7 16.Nb3 Raa8; 11...a6 12.Bc6 bc6 13.Na3 Rb8 14.Rb1 Qb6 15.Qb6 Rb6 16.Ke2 Kf7) 12.Na3 Qb6 13.Qb6 ab6 14.0–0 g5 15.Rab1 Ra5 16.Rfe1 Rha8; C) 11.Nc3 0–0 (11...a6 12.Bc6 bc6 13.Qa4 d4 14.Ne2 Qb8 15.Qb3 Qc7 16.Ba3 Rb8; 11...d4 12.Ne2 a6 13.Bc6 bc6 14.Ba3 Bc2 15.Qc4 Bf5 16.0–0 Qd5) 12.Qa4 d4 13.Ne2 a6 14.Bc6 Nc6 15.Ng3 Be6 16.0–0 Qd5; D) 11.Qa3 a6 (11...0–0 12.0–0 a6 13.Be2 Bc2 14.Rc1 Bf5 15.d3 Qb6 16.Nc3 Rac8; 11...Bc2 12.0–0 Qb6 13.Be2 d4 14.Rc1 Bf5 15.d3 Nd5 16.g3 Qb4; 11...Kf7 12.0–0 Bc2 13.Nc3 a6 14.Be2 d4 15.Bc4 Kg7 16.Ne2 b5; 11...Qb6 12.Nc3 d4 13.Qe7 Ke7 14.Nd5 Kd6 15.Nb6 ab6 16.d3 Nb4; 11...Be4 12.0–0 0–0 13.Be2 Nf5 14.Nc3 Bc2 15.Rac1 Ncd4 16.Nd4 Nd4) 12.Be2 Bc2 13.0–0 0–0 14.Rc1 Bf5 15.d3 Qb6 16.Nc3 Rac8; E) 11.Qb3 0–0 (11...a6 12.Be2 Na5 13.Qa4 b5 14.Qh4 0–0 15.0–0 Nc4 16.Bc4 dc4) 12.0–0 Na5 13.Qb4 a6 14.Be2 d4 15.c4 Nac6 16.Qb3 Na5; F) 11.0–0 0–0 (11...a6 12.Bc6 bc6 13.d3 Rb8 14.Qa3 0–0 15.Nbd2 c5 16.Rfe1 Rb5; 11...Bc2 12.Qc5 Be4 13.Nc3 Bf3 14.gf3 0–0 15.Bc6 bc6 16.Ba3 Rf7; 11...Kf7 12.Qa4 a6 13.Bc6 bc6 14.Ba3 Rb8 15.Nc3 d4 16.Ne2 Rb5; 11...Kf8 12.Qb3 Kg7 13.Nc3 d4 14.Na4 Na5 15.Qa3 Rc8 16.c3 a6; 11...Rc8 12.Qb3 0–0 13.Na3 Na5 14.Qb4 a6 15.Be2 b5 16.d3 Nac6) 12.Qa4 a6 13.Bc6 Nc6 14.Nc3 d4 15.Qb3 Rf7 16.Na4 Rc8.

    10.Nf3 Kf7 A) 11.Qa3 Bf5 (11...Be6 12.0–0 d4 13.d3 Qa5 14.Qa5 Na5 15.c4 Bf5 16.Rd1 a6; 11...Bg4 12.0–0 Nf5 13.Re1 Qb6 14.Be2 Bf3 15.Bf3 e4 16.Bd1 Na5; 11...Nf5 12.0–0 e4 13.Bc6 bc6 14.Nd4 Qb6 15.Nf5 Bf5 16.Nc3 Rhb8; 11...e4 12.Qc3 Qd6 13.Ba3 Qd8 14.Be7 Ne7 15.Nd4 Kg7 16.0–0 Nf5; 11...a6 12.0–0 Be6 13.Be2 d4 14.d3 Nd5 15.Nbd2 Ncb4 16.Rac1 Na2) 12.0–0 Bc2 13.Nc3 a6 14.Be2 Nd4 15.Nd4 ed4 16.Rac1 Bf5; B) 11.Qc5 Qb6 (11...Bf5 12.Na3 a6 13.Be2 Rc8 14.Qe3 d4 15.Qb3 Kg7 16.Nh4 Na5; 11...Bg4 12.Nc3 Bf3 13.gf3 Nd4 14.0–0–0 Rc8 15.Qa7 Rc3 16.Bc3 Nb5; 11...Be6 12.0–0 d4 13.Bc4 Bc4 14.Qc4 Nd5 15.Na3 a6 16.Rae1 Qd7; 11...Qa5 12.Na3 Bg4 13.Rb1 Bf3 14.gf3 Qb6 15.Qb6 ab6 16.0–0 Ra5; 11...e4 12.Nd4 Qb6 13.Qb6 ab6 14.a4 Bd7 15.Na3 Rhc8 16.Ke2 Kg7; 11...Kg7 12.Nc3 b6 13.Qa3 e4 14.Ng5 Nd4 15.0–0–0 h6 16.Nh3 Bg4; 11...Nf5 12.0–0 Qd6 13.Qd6 Nd6 14.Na3 Bf5 15.Be2 a6 16.Nh4 Be6) 12.Qb6 ab6 13.d3 Bg4 14.Nbd2 Nb4 15.Kd1 Nf5 16.h3 Bf3; C) 11.Qb3 Na5 (11...e4 12.Qc3 Qd6 13.Ba3 Qd8 14.Be7 Qe7 15.Nd4 Ne5 16.0–0 Bg4; 11...a6 12.Be2 Nf5 13.g4 Na5 14.Qb4 Nc6 15.Qa3 Nd6 16.Nc3 d4; 11...Be6 12.0–0 a6 13.Bc6 bc6 14.Qa3 c5 15.Qc5 Rc8 16.Qa3 Rc2; 11...Nf5 12.0–0 e4 13.Bc6 bc6 14.Nd4 c5 15.Nf5 Bf5 16.Nc3 Rb8) 12.Qa3 Bf5 13.0–0 a6 14.Be2 Rc8 15.Rc1 Nc4 16.Bc4 dc4; D) 11.Qa4 Nf5 (11...Bd7 12.Nc3 e4 13.Nd4 Qb6 14.Nb3 a6 15.Be2 Rhd8 16.0–0 Nb4; 11...a6 12.Bc6 Nc6 13.0–0 Qb6 14.Qa3 d4 15.d3 Nb4 16.Rc1 Bf5; 11...e4 12.Nd4 a6 13.Be2 Nd4 14.Bd4 Nf5 15.0–0 Qe8 16.Qe8 Re8; 11...Be6 12.0–0 a6 13.Bc6 Nc6 14.d3 Qb6 15.Qa3 Nb4 16.Rc1 Rac8) 12.0–0 e4 13.Nd4 Ncd4 14.Bd4 a6 15.Be2 Qe8 16.Qe8 Re8.

    8.Bb5 Bd7

    9.Qb4 a5 10.Bd7 Nd7 11.Qb5 Ne7 12.Ba3 Kf7 13.Ne2 Kg7 14.0–0 d4 15.d3 b6 16.Nd2 Rc8 17.Nc4 Nc6 18.f4 Na7 19.Qd5 b5 20.Nd2 Nc6?? 21.fe5 Nce5 22.Nd4 Nb6 23.Qe5! fe5 24.Ne6 Kh6 25.Nd8 Rhd8 26.Rac1 Nd5 27.Rfe1 Nc3 28.Re5 Na2 29.Rf1 Rc2?? 30.Ne4 b4+/– 31.Bb4 ab4 32.Nf2 b3?? 33.Rb5 b2?? 34.Rb2 Rb2–+ 35.h3 Re8 36.Ne4 Rb3 37.Rd1 Nc3 38.Nc3 Rc3 39.d4 Rd8 40.Kf2 Rd5 41.h4 Kh5 42.g3 Kg4 43.Rg1 Rd4 44.Ra1 Rd2 45.Ke1 Rh2 46.Ra4 Kg3 47.Kd1 Rb3 48.Kc1 Rf3 49.Rd4 Rh1 50.Kc2 Rh2 51.Kc1 Rf1 52.Rd1 Rd1 53.Kd1 Rh4 54.Ke1 Rf4 55.Ke2 h5 56.Ke3 h4 57.Kd3 h3 58.Kc3 h2 59.Kd3 h1Q 60.Kc3 Qf3 61.Kc2 Rc4 (61...Rc4 62.Kd2 Qc3 63.Ke2 Re4 64.Kf1 Re1; 61...Qe2 62.Kc3 Qe3 63.Kc2 Rf2 64.Kd1 Qd2) 0–1. bratek55 (1660) – kotwielki, kurnik, 2011.

    9.Qb4 Bb5 10.Qb5 Nc6 11.Ba3 Nge7 12.Be7 Qe7 13.Qd5 Rd8 14.Qb3 Nd4 15.Qa4?? b5–+ 16.Qa6 Nc2 17.Kf1 Qc5?? 18.Nc3 Qc4?? 19.Nge2 Na1 20.Qb5?? Qb5–+ 21.Nb5 Rd2 22.g3 0–0 23.Kg2 Nc2 24.Nec3 Nd4 25.Nd4 ed4 26.Ne4 Ra2 27.Rd1 Rd8 28.Nf6 Kf7 29.Ne4 a5 30.Nc3 dc3 31.Rd8 a4 32.Rc8 c2 33.h4 Rb2 34.Rc7 Ke6 35.f4 h5 36.Kf3 a3 37.Ke4 a2 38.Rc6 Kd7 39.Ra6 c1Q 40.Ra7 Kc8 41.Ra8 Kb7 42.Rg8 a1Q 43.Rg6 Qa4 44.Ke5 Qc5 45.Kf6 Qa6 46.Kg7 Qc7 47.Kh6 Rb6 48.f5 Rg6 49.fg6 Qcc6 (49...Qcc6 50.Kg7 Qg6 51.Kf8 Qad6; 49...Qf7 50.Kh5 Qag6) 0–1. bratek55 (1705) – andrzejek054, kurnik, 2011.

    9.Qb4 Bb5 10.Qb5 Nd7 11.Ba3 (11.Qb7?! Rb8 12.Qd5 Rb2+=; 11.Qd5?! Ne7 12.Qb3 Rc8+–) 1–0. bratek55 (1680) – sdlhf (1655), kurnik, 2011.

    9.Qb4 Nc6 10.Qb3 Nge7+–.

    9.Qb4 Nc6 10.Bc6 bc6 11.Ne2 (11.Ba3 Nh6+–) 11...Rb8 12.Qa3 Ne7 (12...Qb6 13.Bc1+–) 13.d4 e4 (13...Qc7 14.de5 fe5 15.f4+–) 14.0–0 (14.Bc1 Rb7+–) 14...0–0 (14...Rb7 15.Nd2+–) 15.Nd2 Nf5 (15...Re8 16.Nb3+–) 16.Nb3 Qb6 17.Rab1 e3 (17...Bc8 18.Rfe1+–) 18.Nc5 (18.fe3 Ne3 19.Qe7 Bg4 20.Qe3 Rbe8+–) 18...ef2 19.Rf2 Be8 (19...Bc8 20.Qa4+–) 20.Nf4 (better is 20.Rf3!? Rf7+–) 20...Nd4 21.Nfe6 (21.Nfd3 Nf5+–) 21...Ne6 22.Ne6 Threatening mate: Qxf8 22...Rf7 23.Kf1 (23.c4!? Bd7 24.cd5 cd5+–) 23...Bd7 (23...Qb5 24.Ke1+/–) 24.Nc5+– Bf5 (better is 24...Qb4 25.Qb4 Rb4+–) 25.Qb3 (25.Kg1 Re8+–) 25...Qd8? (25...Qc7 26.Qg3 Qg3 27.hg3+=) 26.Qa3?? (26.Qg3 Qc8+–) 26...Re7?? (26...Qb6 27.h3 Qb4 28.Qb4 Rb4+/–) 27.Bf6?? (better is 27.Nb3 Reb7 28.Kg1+–) 27...Rb1 0–1. Figiel – NN, internet, 2001.

    9.Qb4 Nc6 10.Bc6 Bc6 11.Ne2 d4 12.0–0 Ne7 13.Na3 (13.d3 Qb6 14.Qb3 Qa5+–) 13...0–0 14.Ng3 (14.c3 dc3 15.dc3 Qd3+–) 14...Kg7 (14...Nd5 15.Qb3+–) 15.Nc4 (15.f3 Nd5 16.Qb3 Nf4+–) 15...Nd5 16.Qc5 Rc8 (16...Qd7 17.Rfe1+–) 17.Ba3 Rf7 (17...Rg8 18.Qa7 Ra8 19.Qc5+–) 18.Nd6 (18.Qa7 b6 19.Qf7 Kf7 20.Nd6 Kg7 21.Nc8 Qc8–+) 18...b6 19.Nf7 Kf7 (19...bc5?? 20.Nd8 Rd8 21.Bc5+–) 20.Qc4 Kg7 21.Ne4 (21.f3!? Qd7 22.Rfc1 Ba4+–) 21...Nf4 22.Nd6 Rc7 23.c3 (better is 23.f3 Ng2 24.Kg2 Bf3 25.Rf3 (worse is 25.Kf3 Rc4 26.Nc4 Qd5 27.Kf2 Qc4–/+) 25...Rc4 26.Nc4+–) 23...Bg2?? (23...Ng2 24.f4 b5+–) 24.Qc7! Qc7 25.Ne8 Kf7 (25...Kh6 26.Nc7 Bf1 27.Kf1 dc3 28.dc3+–) 26.Nc7 Bf1 (26...dc3 27.dc3 Be4 28.Rfd1+–) 27.Kf1 dc3 (27...Nd3 28.cd4 ed4 29.Nb5+–) 28.dc3 1–0. Leonco – Wombat, internet corr, 2018.

    9.Qb4 Ne7 10.Ba3 Nbc6 11.Bc6 bc6 12.Qe7 Qe7 13.Be7 Ke7 14.Nc3 Kd6 15.Nge2 Rab8 16.d3 Rb2 17.Kd2 d4 18.Ne4 Ke6? 19.Rhb1 Rhb8 20.Rb2 Rb2 21.Kc1 Rb6 22.c3 f5 23.Nd2 c5 24.f3 Bb5 25.c4 Ba4 26.Rb1 Bc6 27.Nb3 Kd6 28.Na5 Ra6 29.Nc6 Kc6 30.Rb2 Ra3 31.Kc2 Kd6 32.Nc1+– e4 33.fe4 fe4 34.de4 Ke5?! 35.Rb7 Ke4 36.Re7 Kf4 37.Rh7 g5 38.Rf7 Ke3 39.Re7 Kf4 40.Kb2 Rc3 41.Ne2 Kf5 42.Nc3 dc3 43.Kc3 Kf6 44.Ra7 (44.Ra7 Ke6 45.Rg7+–) 1–0. bratek55 – cleo64, kurnik, 2011.

    9.Bd7 Qd7 10.Qb4 Nc6 11.Qh4 g5 12.Qh5 Qf7 13.Qf3 d4 14.Na3 Rd8 15.Ne2 Nh6 16.Qh3 Qg6 Black prepares the advance g4 17.0–0 g4 18.Qb3 Rd7 19.Ng3 Qf7 (19...f5 20.Rae1 f4 21.Ne4+–) 20.Nc4 b6 (20...Qd5 21.a4+–) 21.f4 gf3 22.Rf3 Qd5 (22...f5+–) 23.Nh5 (worse is 23.Rf6 Ng4 24.Rf3 b5+–) 23...Ke7 (23...Ng4 24.h3 b5+–) 24.Nf6 Qc5 (24...Qe6 25.Ba3 Kd8+–) 25.Ba3 Qa3 26.Qa3 (26.Qa3 Kd8 27.Nd7+–) 1–0. fryckh – jaqufe, internet, 2017.

    6.Qh4 Be7

    7.Ne2 d5 8.ed5 cd5 9.Bb5 Bd7 10.c4 Bb5 11.cb5 d4 12.Na3 (12.0–0 Nd7–/+) 12...Nd7 13.0–0 (13.Qg3 Qa5–+) 13...f5 (13...Qa5!? 14.Nc4 Qb5 15.Rfc1–+) 14.Qg3 Ngf6 15.Nc4 Ne4 16.Qh3 Nd6 (16...Rc8!? 17.Rfc1 Bh4–/+) 17.Nd6+= Bd6 18.f4 Qb6 19.fe5 Be5 20.Qd3 Nc5 21.Qc4 Ne4 22.d3 Nd2 23.Qd5 Nf1?? (better is 23...Qf6 24.Rfe1 Rd8 25.Qb7 0–0=) 24.Qe5+– Kd7 (24...Kf7 25.Bd4 Qd4 26.Nd4+–) 25.Qg7 Kd6 (25...Ke8 26.Qh8 Kd7 27.Qh7 Ke8 28.Qg8 Ke7 29.Ba3 Kf6 30.Qa8 Qc7 31.Qf8 Kg5 32.Rf1 Kh5 33.Qh8 Kg4 34.Rf4 Qf4 35.h3 Kg5 36.Be7) 26.Ba3 Kd5 (26...Qc5 27.Bc5 Kc5 28.Qd4 Kb5 29.a4 Ka6 30.Qc4 b5 31.Qb5) 27.Nf4 1–0. Janek – Ulrich, internet, 2016.

    7.Qg3?? b5 8.Bb3 a5 9.a3 Bb7 10.Ne2 c5 11.d3 Nc6 12.0–0 Nd4 13.Nd4 cd4 14.f4 d6 15.fe5 de5–/+ 16.Nd2 a4 17.Ba2 Qd6 18.c4 b4 19.ab4 Qb4 20.Bc1 Bc8 21.Rb1 Qd6 22.Rb5 Bd7 23.Rb7 Bc6 24.Rb1 Nh6 25.c5 Qc5 26.Nc4 Nf7 27.h4 Nd6?? 28.h5?? Nc4–+ 29.Bc4 g5 30.Ra1 Be4! 31.Ba3 Qc7?? 32.Be7 Ke7 33.de4?? Qc4–+ 34.Rac1? Qb3 35.Rc7 Kd6?? 36.Qb3?? ab3–+ 37.Rb7 Rhf8 38.Rb3 Ra6 39.h6 Rc6 40.Rfb1 f5 41.ef5 Rf5 42.Rb7 Rc7 43.R1b6 Kd7 44.Rc7 Kc7 45.Rb8 (45.Rb8 Kb8 46.g3 d3 47.g4 Rf6 48.Kh2 d2 49.Kg3 d1Q 50.Kh2 Rf2 51.Kg3 Qf3) 0–1. bratek55 (1660) – kelcyraole (1620), kurnik, 2011.

    7.Qg3?? d5–/+ 8.ed5 cd5 9.Bb3 Nc6 10.Nc3 Be6 11.Nge2 Qd7 12.0–0 Nh6 13.f3 Nf5 14.Qf2 0–0 15.Kh1 b6 16.Ng3 Bc5 17.Qe2? Ng3 18.hg3 f5 19.Na4 Bd6 20.c4 d4 21.Rac1 Qg7 22.c5 Bb3 23.ab3 bc5 24.Nc5 Nb4?? 25.Qc4+= Kh8 26.Qb4 Qh6 27.Kg1 Rab8 28.Qc4 Rfc8?? 29.b4?? a5?? 30.Qd5+– g5? 31.Ne6 Qf6 32.Qd6 (32.Qd6 Re8 33.Rc6 Rb4 34.Qd7+–) 1–0. bratek55 (1670) – ronela50 (1660), kurnik, 2011.

    7.Qg3?? d5–/+ 8.ed5 cd5 9.Bb3 Nc6 10.Ne2 Be6 11.0–0 Nh6 12.f4 Nf5 13.Qf2 0–0 14.fe5 fe5 15.Qe1 Qb6 16.Kh1 Rae8 17.d3 a5 18.a4? Bf7 19.Nbc3 d4 20.Bf7 Rf7 21.Nb5 Bb4 22.c3 dc3 23.Bc3 Ref8 24.Bb4 ab4 25.Qb1 Qe3 26.Qc1?? Qc1 27.Rac1 Ra8 28.Ra1 Nfd4 29.Rf7 Kf7 30.Nc1?? b3 31.Nd6 Ke6 32.Nc4 Nb4 33.a5 Nbc6 34.Ra3 Kd5 35.Nb6–/+ Kc5 36.Na8?? b2–+ 37.Nb3 Kb4 38.Nd2 Ka3 39.Nb6 Na5 40.Kg1 Nab3 41.Nb1 Ka2 42.Nc3 Ka1 43.Nba4 b1Q 44.Nb1 Kb1 45.Kf2 Kc2 46.Ke3 b5 47.Nb6 Nc5 48.Nd7 Nd7 49.g4 b4 50.h4 b3 51.g5 b2 (51...b2 52.Kf2 b1Q 53.Kg2 Ne2 54.Kf2 Qg1 55.Ke2 Qg2 56.Ke3 Nb6 57.h5 Nd5) 0–1. bratek55 (1780) – sebolsit (1800), kurnik, 2011.

    7.Bg8 Rg8 8.Qh7 Kf8 9.Ne2 d5 10.ed5 cd5 11.0–0 Nc6 12.f4?? e4?? 13.Nd4?? Nd4 14.Bd4= Bf5 15.Nc3 Qd7 16.Kh1 a6 17.Rab1 b5 18.Qh4 Kg7 19.a4 b4 20.Ne2 a5 21.c3 Rab8 22.cb4 ab4 23.Rb3 Qa4 24.Rfb1 Rh8 25.Qf2 Rhc8 26.Ng3 Rc2 27.Nf5 gf5 28.Qg3 Kf7 29.Qh4 Rd2 30.Qh7? Ke8?? 31.Bg1?? Qa2?? 32.g3?? e3?? 33.Qf5?? Rb5?? 34.Qc8?? Kf7–/+ 35.Qc1?? e2 36.Re3 Rd1 37.Qd1?? ed1Q–+ 38.Rd1 b3 39.Rd5 b2 40.Rb5 b1Q 41.Rb1 Qb1 42.Kg2 Qd1 43.Kh3 Bc5 44.Rc3 Qg1 45.Rc5 (45.Rc5 Qc5 46.Kg2–+) 0–1. nizinna – jyjyl, kurnik, 2011.

    7.Bg8 Rg8 8.Qh7 Kf8 9.f4 d6 10.Nc3 (10.Nf3!? Be6 11.Nh4+=) 10...Be6= 11.Nf3 Qb6 12.Rb1 a6? (better is 12...Ke8=) 13.fe5+– de5? (better is 13...fe5 14.Ba3 Qd8 15.Rb7 Nd7+/–) 14.Qe7!! Ke7 15.Ba3 (15.Ba3 Kd7 16.Rb6+–) 1–0. De Bouver,Guido – Otte,Marco, corr or01–009 E–mail, 2001.

    4...d5

    5.ed5 (--> 1.b4 e5 2.Bb2 f6 3.e4 d5 4.ed5 Bb4 5.Bc4).

    5.ed5 Ne7 6.c3 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.c3 d5 6.ed5).

    5.Bd5= c6

    6.Bg8+= Rg8 7.Qh5 Kd7 A) 8.Ba3 A1) 8...Ba3 9.Na3 Kc7 (9...h6 10.Qf7 Kd6 11.Nc4 Kc5 12.Ne3 Qe8+=; 9...Na6 10.Qh7 Kc7 11.Ne2 Be6 12.Qg6 Qd6+=) 10.Qh7 Be6 11.Nb1 Na6 12.a3 Qe8+=; A2) 8...Na6 A21) 9.Qh7 Kc7 (9...Ke7 10.f4 ef4 11.Ne2 Bg4 12.Bb2 Be2=) 10.Qg6 Ba3 11.Na3 Qd4 12.Rd1 Qa4+=; A22) 9.Nf3 Kc7 (9...Ba3 10.Na3 Kc7 11.Nc4 Be6 12.Ne3 Rh8=) 10.Qh7 Bg4 11.Qg6 Qd7 12.h3 Bf3+=; A23) 9.Bb4 Nb4 10.Qf7 Kd6 11.Qb3 c5 12.Nc3 Be6=; A24) 9.h3 Kc7 (9...h6 10.Qf7 Kd6 11.Bb4 Nb4 12.Qb3 c5=) 10.Qh7 Be6 11.Bb2 Bc5 12.Qg6 Nb4+=; A25) 9.Ne2 Kc7 (9...h6 10.Qf7 Kd6 11.Bb4 Nb4 12.Qc4 Na6+=) 10.Qh7 Be6 11.Qg6 Qd6 12.Qg3 Kc8+=; B) 8.Qh7 B1) 8...Na6 B11) 9.Qg6 Qe8 (9...Ke7 10.Nf3 Qe8 11.Qg3 Qd7 12.h3 Kd8+/–; 9...Kc7 10.Nc3 Be6 11.a3 Bc5 12.Nf3 Qd7+=; 9...b6 10.Nf3 Qe8 11.Qg3 Qe6 12.a3 Bc5+/–; 9...Be7 10.Nf3 Nb4 11.Kd1 Qe8 12.Qg3 Bc5+=; 9...Rb8 10.Nf3 Qe8 11.Qg3 Qe6 12.a3 Bc5+/–) 10.Qg3 Kd8 11.a3 Bc5 12.Ne2 Qe7+=; B12) 9.Ne2 Kc7 10.Qg6 Bc5 11.Qf7 Kb8 12.Ba3 Rf8+=; B13) 9.Nf3 Kc7 10.a3 Bc5 11.Qg6 Kb8 12.0–0 Qd7+=; B2) 8...Kc7 B21) 9.Nc3 Be6 (9...Na6 10.Rb1 Be6 11.a3 Bc5 12.Nf3 Qd7+=; 9...Bc5 10.Rb1 Na6 11.a3 Be6 12.Nf3 Qd7+=) 10.a3 Bc5 11.Rb1 Qd6 12.Nf3 Ba3+=; B22) 9.Nf3 Bg4 (9...Be6 10.Qg6 Qd7 11.a3 Bc5 12.Nc3 Rh8+=) 10.Nh4 Na6 11.Nf5 Qd7 12.a3 Bc5+=; B23) 9.Qg6 Na6 (9...Qd7 10.Nf3 Rh8 11.Ne5 fe5 12.Be5 Kd8+/–; 9...Qe7 10.Nf3 Be6 11.a3 Bd6 12.Nc3 Nd7+=; 9...Qe8 10.Qg3 Be6+= 11.Nf3 g5 12.Nd4 Bd7+/–; 9...Nd7 10.a3 Bd6 11.Nc3 Nb6 12.d3 Be6+=; 9...Bc5 10.Nf3 Na6 11.Ba3 Ba3 12.Na3 Be6+=) 10.Nf3 Qe8 11.Qg3 Nc5 12.Ne5 fe5=; B24) 9.a3 Bc5 (9...Bd6 10.Nc3 Nd7 11.Nf3 Nb6 12.Qg6 Be6+=; 9...Be7 10.Nc3 Nd7 11.Rb1 Nb6 12.d3 Be6+=) 10.Nc3 Be6 11.Qg6 Nd7 12.Nf3 Qe7+=; B25) 9.Ne2 Na6 (9...Be6 10.Nbc3 Qd7 11.a3 Bc5 12.f4 Kc8+/–) 10.Qg6 Bd6 11.Nbc3 Be6 12.a3 Qd7+=.

    6.Bg8+= Rg8 7.Qh5 Ke7 8.Qh7 A) 8...Na6 A1) 9.Nf3 Bc5 (9...Be6 10.0–0 Bc5 11.Qg6 Qd7 12.Nc3 Kd8+=; 9...Kf7 10.Qh5 Ke7 11.0–0 Bc5 12.Ba3 Ba3+/–; 9...Nc7 10.0–0 Qf8 11.Qh4 Ke8 12.d4 ed4+/–; 9...Bd6 10.0–0 Nb4 11.Rc1 Be6 12.Nc3 Bc5+=; 9...b6 10.c3 Bd6 11.d4 Bg4 12.Nbd2 Be6+/–; 9...Rb8 10.a3 Bc5 11.0–0 Be6 12.d3 Qf8+=) 10.Qh4 Nb4 11.Na3 Rh8 12.Qg3 Kf7+=; A2) 9.Ne2 Be6 (9...Bc5 10.f4 Nb4 11.Na3 ef4 12.Nf4 Qe8+/–; 9...Kf7 10.Qh5 Ke7 11.f4 ef4 12.Nf4 Bc5+/–) 10.f4 Bd6 11.fe5 fe5 12.Qh4 Ke8+=; B) 8...Bd6 B1) 9.Ba3 Ba3 (9...Be6 10.Bd6 Qd6 11.Nf3 c5 12.Nc3 Nc6+=) 10.Na3 Be6 11.Nb1 Na6 12.a3 Qe8+=; B2) 9.Nc3 Bc5 (9...b5 10.Nf3 Be6 11.d4 Nd7 12.d5 cd5+/–; 9...Be6 10.Nf3 Na6 11.d4 Qf8 12.de5 fe5+/–; 9...Na6 10.Nf3 Be6 11.d4 Qa5 12.0–0 Rad8+/–; 9...Bg4 10.Qg6 Qd7 11.Nf3 Kd8 12.Nh4 Na6+=; 9...Kf7 10.Qh5 g6 11.Qh7 Rg7 12.Qh6 Rg8+=) 10.Nf3 Be6 11.0–0 Nd7 12.Na4 Bd6+=; B3) 9.Nf3 Be6 10.0–0 Qf8 11.Nh4 Kd8 12.Nf5 Na6+=; C) 8...Nd7 C1) 9.Nf3 Nb6 (9...Bd6 10.d4 ed4 11.Nd4 Ne5 12.Nd2 Qf8+/–; 9...Kf7 10.Qh5 g6 11.Qh7 Rg7 12.Qh6 Nb6+/–; 9...Bc5 10.0–0 Nb6 11.Qh4 Rh8 12.Qg3 Kf7+/–; 9...b5 10.a4 ba4 11.0–0 Nb6 12.d4 Ba6+/– 1.09) 10.Bc3 Bc5 11.d3 Be6 12.a4 Nd7+=; C2) 9.Ba3 Ba3 10.Na3 Nc5 11.Nb1 Be6 12.Nc3 Qd7+=; D) 8...Be6 9.Nf3 Nd7 (9...Qb6 10.0–0 Bc5 11.Bc1 Nd7 12.d3 Kd8+=; 9...Qd6 10.0–0 Bc5 11.Rd1 Nd7 12.d4 Nf8+=; 9...Bc5 10.0–0 Nd7 11.Qg6 Qe8 12.Qg3 Qh5+=) D1) 10.0–0 Nf8+= (10...Nb6 11.Bc3 Bc5 12.d3 Kf7+=) 11.Qh5 Qe8 12.Qe8 Re8+=; D2) 10.Qg6 Nb6 11.0–0 Qe8 12.Qg3 Qh5+=; E) 8...b5 E1) 9.a4 Be6 (9...Bc5 10.Nf3 Be6 11.0–0 b4 12.a5 Na6+=; 9...a5 10.Nf3 Bc5 11.0–0 b4 12.d4 ed4+/–; 9...a6 10.Ba3 Ba3 11.Ra3 Be6 12.Rg3 Qf8+/–) 10.Nf3 Bc5 11.0–0 b4 12.a5 Na6+=; E2) 9.Qg6 Qf8 (9...Be6 10.Nf3 Qe8 11.Qg3 Qh5 12.a3 Bd6+=; 9...Nd7 10.a4 Nb6 11.Bc3 Bc5 12.ab5 cb5+=; 9...Qe8 10.Qg3 Be6 11.a4 Kd8 12.Bc3 Bc3+/–; 9...Na6 10.Nf3 Qe8 11.Qg3 Kd8 12.0–0 Nc5+/–; 9...a5 10.Nf3 Qe8 11.Qg3 Qd7 12.h3 Kd8+/–; 9...Qd6 10.a4 Be6 11.Nf3 Bc5 12.ab5 cb5+=; 9...a6 10.Nf3 Be6 11.0–0 Qe8 12.Qg3 Bd6+=; 9...Bc5 10.Nf3 Be6 11.0–0 Qd7 12.Ne1 Bf7+=) 10.Nc3 Qf7 11.Qf7 Kf7 12.a4 ba4+=; E3) 9.Nf3 Be6 (9...Bc5 10.Qh4 Kf7 11.Qh5 g6 12.Qh7 Rg7+/–) 10.0–0 Qf8 11.Qh4 Rh8 12.Qg3 Ke8+/–; F) 8...b6 9.Nf3 Bc5 (9...Na6 10.Nh4 Qe8 11.Nf5 Kd8 12.0–0 Bf5+/–; 9...Be6 10.0–0 Qf8 11.a3 Rh8 12.Qg6 Bd6+=; 9...Kf7 10.Qh5 Ke7 11.0–0 Rh8 12.Qg6 Qf8+/–) 10.Qh4 Ke8 11.Qh5 Ke7 12.Ba3 Ba3+=.

    6.Bg8+= Rg8 7.Qh5 Kf8 8.Qh7 Be6 9.Ne2 (9.Nf3 Ke8 10.0–0 Bc5+=) 9...Nd7 (9...Ke8 10.f4 ef4+=) 10.c3 (10.f4 Ke8+=) 10...Be7 (10...Bd6+=) 11.d4 Qc7 (11...Ke8 12.0–0+=) 12.Nd2 Rd8 13.0–0 Qb6 14.Bc1 ed4 (14...Ke8 15.Qg6 Bf7 16.Qg3+/–) 15.Nf4 (better is 15.Nd4!? Bf7 16.Nf5+/–) 15...Bf7+= 16.Ng6 (16.cd4!? Qd4 17.Rb1+=) 16...Bg6+= 17.Qg6 dc3 18.Nf3 c5 (18...Rh8 19.Be3 Nc5 20.Qf5+=) 19.Be3 (19.Bf4 Rh8+=) 19...Qa5 20.e5 (better is 20.Qf5 Bd6 21.Rfd1+=) 20...Qa6?? (20...Ne5 21.Ne5 fe5 22.f4=) 21.Rfd1?? (better is 21.e6 Ne5 22.Ne5 Qe6 23.Nf3+–) 21...Qe6?? (better is 21...fe5 22.Qc2 Ke8+=) 22.Ng5!+– (22.Ng5 fg5 23.Qe6+–) 1–0. Schiefrer – Merkl,M, corr, 1985.

    5.Bd5= Ne7

    6.Bb3 Nbc6 7.a3 Bc5 8.Qh5 g6 9.Qd1 (9.Qh4 Nd4= 10.Qf6 Rf8 11.Qe5=) 9...Nd4+= 10.Ba2 Nec6 (10...Qd6 11.Ne2+= (11.Nc3+=); 10...c6 11.Nc3=) 11.c3 (11.Ne2+=) 11...Ne6 12.Ne2 Qd3 13.f3 (13.Bd5 Ne7 14.Nc1 Qb5=) 13...f5 (13...Bd7 14.Bd5+=) 14.Bd5 Ng5 (14...Ne7 15.c4 Nd4 16.Bd4 Bd4 17.Nbc3 Bc3 18.dc3 Qd1 19.Rd1–/+) 15.Nc1 (15.Qa4 Bd7 16.Nc1 Qa6 17.Qa6 ba6+/–) 15...Qa6 (15...Qb5 16.Nb3 Bd6 17.d4+=) 16.h4 (16.d4 Bd6=) 16...Ne6= 17.Nb3 (17.Qe2 Qe2 18.Ne2 Ne7=) 17...Qb6 (17...Bd6 18.g3+=) 18.Nc5 (better is 18.d4 Bd6 19.Bc6 bc6 20.Qc2=) 18...Nc5–/+ (18...Qc5 19.d4 ed4 20.cd4 Ncd4 21.Ra2+=) 19.d4 Qb2 (better is 19...Nd4!? 20.Ra2 Nde6–+) 20.Ra2+= Qb5 21.dc5 Bd7 (21...Qc5 22.Rd2+=) 22.Bf7 Ke7 23.Qb3 (23.Rd2 Rad8+= (23...Kf7?! 24.Rd7 Kf6 25.Rc7=)) 23...Qc5 (better is 23...Na5 24.Qb5 Bb5–/+) 24.Ke2 (24.Rd2 Rhf8 25.Bd5–/+ (25.Qb7?? Rab8 26.Qb8 Rb8–+)) 24...fe4 (24...Na5 25.Qb4 b6 26.Qc5 bc5 27.ef5 Kf7 28.fg6 hg6 29.Nd2–+) 25.fe4 (25.Rd2 ef3 26.gf3–+) 25...Bg4 (25...Bg4 26.Kd3 Rhd8 27.Bd5 Be6–+) 0–1. Huelle,Gunter – Reichenbacher,Gerhard, Chemnitz op, 1998.

    6.Bb3 Nbc6 7.f4 ef4+= 8.Qh5 Ng6 9.Ne2 Qe7 10.Nbc3 Qe5 11.Qe5 fe5 (11...Nge5?! 12.Nf4 Kd8 13.Nfd5=) 12.Nd5 Bd6 13.Nef4 Nf4 14.Nf4 ef4 15.Bg7 Rf8 16.Bf8 Kf8 17.c3 Bg4 18.d4 Re8 19.Bd5 Nd4 20.cd4 Bb4 21.Kf2 c6 22.Bc4 Bc3 23.Rab1 Bd4 24.Kf1 Re4 25.Rb7 Bc3 26.h3 Bh5 (26...Rc4? 27.hg4 Rb4 28.Rhh7 (28.Rbh7?! Bg7+/–) 28...Rb7 29.Rb7+–) 27.Rh7 Bd1 28.Kf2 Bc2 29.Rf7 Ke8 30.Kf3 Attacking the isolated pawn on f4 30...Bd2 31.Ra7 Rc4 32.Ke2 Be3 (32...Be3 33.Rb7 Be4–+) 0–1. Howes,Tony – Wlasow,Andrey (2220), IECG, 2004.

    6.Bb3 Nbc6 7.Qh5 Ng6= 8.Ne2 (8.Nc3 Nd4 9.Nf3 Nb3 10.ab3 0–0 11.Ne2=; 8.a3 Bc5 9.Nf3 Qd7 10.Nh4 Qg4 11.Qg4=; 8.Nf3 Qd7 9.Nh4 Qg4 10.Qg4 Bg4 11.Ng6=) 8...Na5 9.f4 Nb3 10.ab3 0–0 11.f5=.

    6.Bb3 Nec6 A) 7.Nf3 A1) 7...Bc5 8.0–0 (8.Nc3 Na5 9.Qe2 Nbc6 10.0–0 Bg4 11.Nd5=; 8.h3 Qd6 9.0–0 Nd7 10.Nc3 Na5 11.Na4=) 8...Bg4 9.Bd5 Qd6 10.c3 Bb6 11.d4+=; A2) 7...Bg4 8.Bd5 (8.h3 Bh5 9.Bd5 Na5 10.Bc3 Nbc6 11.g4=) 8...Qd6 9.c3 Bc5 10.d4 ed4 11.cd4=; A3) 7...Na5 8.c3 (8.Bc3 Nb3 9.ab3 Nc6 10.Bb4 Nb4 11.Na3=; 8.a3 Nb3 9.cb3 Bd6 10.d4 ed4 11.Nd4=; 8.Ne5 fe5 9.Qh5 Kd7 10.Be6 Kc6 11.Bc8+=) 8...Nb3 9.ab3 Bd6 10.d4 Bg4 11.Qd3=; A4) 7...Nd7 8.a3 (8.Ba4 Rb8 9.0–0 b5 10.Bb3 Nc5 11.d4=; 8.Bd5 Ne7 9.Be6 Nb6 10.Bc8 Rc8 11.0–0=) 8...Bd6 9.d4 ed4 10.Nd4 Qe7 11.0–0=; B) 7.Qh5 g6 8.Qh6 Bf8 9.Qh4 Nd4 10.Nc3 Nbc6 11.Nd5=; C) 7.Ne2 C1) 7...Bg4 8.f3 Bc8 9.c3 Ba5 10.d3 Bb6 11.d4=; C2) 7...Na6 8.Bc4 Rb8 9.0–0 b5 10.Bd5 Ne7 11.Bb3=; C3) 7...Na5 8.0–0 (8.Bc3 Nb3 9.ab3 Bd6 10.d4 Nc6 11.0–0=; 8.Nbc3 Nb3 9.ab3 0–0 10.0–0 Nc6 11.Nd5=; 8.Ba3 Ba3 9.Na3 Nbc6 10.0–0 Nb3 11.ab3=) 8...Nb3 9.ab3 0–0 10.d4 Nc6 11.Qd3=; C4) 7...Nd7 8.c3 Nc5 9.d4 Nb3 10.ab3 Bd6 11.Ba3=.

    6.Bb3 Qd6 7.c3 Ba5 8.Na3 (8.Nf3 Bg4 9.0–0 Nbc6 10.h3 Bh5 11.Ba3=; 8.Ne2 Nbc6 9.Na3 f5 10.ef5 Bf5 11.Nc4=; 8.Qe2 Ng6 9.Qc4 Qd7 10.Ne2 c6 11.d4=) 8...Qd3 9.Qe2 Qd7 10.Nc4 Ng6 11.d4+=.

    6.Bb3 Nd7 A) 7.a3 A1) 7...Bd6 8.Qh5 (8.Nc3 Nc5 9.Bc4 Be6 10.Be6 Ne6 11.Nf3=) 8...Ng6 9.Nf3 Ndf8 10.Nh4 Qd7 11.Nf5+=; A2) 7...Bc5 8.Qh5 (8.Nf3 Bd6 9.Nc3 Nc5 10.Bc4 a6 11.0–0=) 8...g6 9.Qh6 f5 10.f3 fe4 11.fe4=; B) 7.Qh5 g6 8.Qe2 (8.Qf3 a5 9.Be5 Ne5 10.Qf6 Qd4 11.Bf7–+; 8.Qh4 h5 9.a3 g5 10.Qg3 Bd6 11.Nc3=) 8...Nb6 9.a3 Bd6 10.Nf3 Nc6 11.a4=.

    6.Bb3 Ng6 A) 7.Qh5 A1) 7...Nc6 8.Nf3 (8.Nc3 Nd4 9.Nf3 Nb3 10.ab3 0–0 11.Ne2=; 8.Ne2 Qd7 9.Nbc3 Na5 10.f3 Nb3 11.ab3=; 8.a3 Bc5 9.Ne2 Qd6 10.Nbc3 Na5 11.Nc1=) 8...Qd7 9.Nh4 Qg4 10.Qg4 Bg4 11.Ng6=; A2) 7...Qd7 8.Ne2 (8.Nc3 Na6 9.Nge2 Nc5 10.Qf3 c6 11.h4=) 8...Na6 9.Nbc3 Nc5 10.Qf3 c6 11.h4=; B) 7.Ne2= B1) 7...Na6 8.c3 (8.Bc4 Nc5 9.a3 Ba5 10.Nbc3 Bg4 11.h3=; 8.0–0 Nc5 9.Bc3 a5 10.d3 Qd6 11.Qd2=; 8.Nbc3 Nc5 9.0–0 c6 10.Re1 Qd6 11.Nc1=) 8...Bd6 9.d4 Qe7 10.Nd2 f5 11.f3=; B2) 7...Nd7 8.c3 (8.0–0 Nc5 9.Bc3 a5 10.Ng3 Qd6 11.Bc4=; 8.Nbc3 Nc5 9.0–0 c6 10.Ng3 Nb3 11.ab3=) 8...Nc5 9.d4 Nb3 10.Qb3 Bd6 11.Ba3=.

    6.Bc4 Nbc6 7.a3 Bc5 8.Ne2 (8.Qh5 g6 9.Qf3 Nd4 10.Qd3 a6 11.Ne2 b5+=; 8.Nf3 a6 (8...Na5 9.Be2 Nec6 10.Nc3 0–0 11.0–0 Be6+=; 8...Qd6 9.0–0 Bg4 10.d3 Nd4 11.Bd4 ed4+=; 8...Bg4 9.h3 Bh5 10.Nc3 Nd4 11.g4 Bg6+=; 8...Rb8 9.Nc3 a6 10.0–0 b5 11.Be2 Nd4=; 8...Ng6 9.0–0 Nf4 10.d3 Qd7 11.Bc1 Na5=) 9.Nc3 Bg4 10.h3 Bh5 11.Be2 0–0+=; 8.d3 Qd6 (8...Ng6 9.Nf3 Nf4 10.0–0 Qd7 11.Bc1 Na5=; 8...Na5 9.Ba2 Qd6 10.Qd2 Nac6 11.Nc3 a6=; 8...Rb8 9.Nc3 Nd4 10.Na4 Bd6 11.Rb1 c5+=; 8...a6 9.Nf3 b5 10.Bb3 Bg4 11.h3 Bh5=; 8...Bd7 9.Nf3 a6 10.Nbd2 b5 11.Ba2 Bg4=; 8...Bd4 9.Bd4 ed4 10.c3 a6 11.Ne2 b5=) 9.Nd2 Na5 10.Qf3 Nc4 11.Nc4 Qa6+=; 8.Ba2 Bd7 (8...Rb8 9.Qh5 g6 10.Qe2 Nd4 11.Qc4 Qd6+=; 8...a6 9.Nc3 Qd6 10.Nd5 Nd5 11.Bd5 Ne7+=; 8...b5 9.Nc3 Rb8 10.Nd5 Nd5 11.Bd5 Ne7=; 8...Qd6 9.Nc3 a6 10.Nd5 Nd5 11.Bd5 Be6+=; 8...Qd7 9.Nc3 Qd4 10.Qe2 a6 11.Nf3 Qd6=; 8...Ng6 9.Ne2 a6 10.Nbc3 Qd6 11.Nd5 Nd4=; 8...a5 9.Qh5 g6 10.Qe2 Nd4 11.Qd3 Bg4+=; 8...b6 9.Nf3 Bg4 10.h3 Bh5 11.d3 Nd4=; 8...h6 9.Nc3 Nd4 10.Nge2 Bg4 11.f3 Bf3+=) 9.c3 Ng6 10.Qb3 Qe7 11.Ne2 0–0–0+=) 8...Bg4 (8...Qd6 9.0–0 Bg4 10.d3 a6 11.h3 Bh5+=; 8...a6 9.0–0 Bg4 10.h3 Bh5 11.Qe1 Qd6+=) 9.Nbc3 (9.f3 Bd7 10.c3 Na5 11.Ba2 Bb6=) 9...Nd4 (9...a6 10.h3 Bh5 11.Na4 Bd6+=) 10.0–0 f5 (10...Qd7 11.h3 Bh5 12.Qc1+=) 11.h3 (11.ef5 Nef5 12.Ne4 Bb6=) 11...Bh5 (11...Bh3 12.Na4 Nf3 13.gf3=) 12.ef5 Nef5 13.Ne4 Qh4?? (better is 13...Bb6 14.Bd4 Nd4= (worse is 14...ed4 15.g4+/–; worse is 14...Bd4 15.c3+/–)) 14.Nc5+– 0–0–0 (14...Nf3 15.gf3 Bf3 16.Bb5 c6 17.Bc6 bc6 18.Bd4 Qh3 19.Be5 Qg2) 15.Bd4 Nd4 16.Qb1 Ne2 17.Be2 Be2 (17...b6 18.Bh5 Qh5+–) 18.Qb7 1–0. Sawamura,Tetsushi – Taguchi,Masami, JPN op4 email, 2002.

    4...d6

    5.Nf3 c6 6.c3 Ba5 7.Qb3 Nh6 8.0–0 f5+=.

    5.Nf3 Nd7 A) 6.a3 Bc5 (6...Ba5 7.0–0 Ne7 8.d4 Nb6+=) 7.d4 ed4 8.Bd4 Ne7+=; B) 6.Qe2 Bc5 (6...Nh6 7.c3 Ba5 8.0–0 c6+=; 6...Ne7 7.c3 Ba5 8.0–0 c6+=; 6...Ba5 7.0–0 Ne7 8.d4 c5+=) 7.d4 ed4 8.Bd4 Ne7+=; C) 6.c3 Ba5 7.0–0 Ne7 8.d4 Nb6+=.

    5.Nf3 f5 6.ef5 Bf5 7.c3+=.

    5.f4 Nc6 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nc6 5.f4 d6).

    5.f4 Qe7 6.f5 Bc5 7.Nc3 Nc6 (7...g6 8.fg6 hg6 9.Nf3–/+) 8.Qh5= Kd8 9.Na4 Bg1 10.Rg1 Bd7 11.Nc3 Nd4 12.Kf2 (12.Nd5 Qf8 (worse is 12...Nc2 13.Kd1 g6 14.Qf3+/–) 13.Bd4 ed4+=) 12...c6–/+ (worse is 12...Nc2 13.Nd5 Qf8 14.Rac1=) 13.Ne2 Nc2 14.Rac1 Nd4 15.Nd4 ed4 16.Rge1 c5 17.Kg1 Kc7 (better is 17...Nh6–/+) 18.Bd4+= cd4 19.Bg8 Bc6 20.Be6 g6 21.Qf3 gf5 22.ef5 Kb8?? (better is 22...Rhe8+/–) 23.Rc6+– bc6 (23...a5 24.Rb1 Rd8+–) 24.Qc6 Qb7 (24...Qc7 25.Rb1 Qb6 26.Rb6 ab6 27.Qb6) 25.Qd6 Qc7 26.Rb1 1–0. mrkt – eskojc, internet, 2011.

    5.f4!? Ne7 6.f5 Bd7 7.Qh5 g6 8.Qh4 Ng8?! 9.fg6! Qe7 10.Qh5 Kd8 11.Qh4 Qg7 12.Bg8! Rg8 13.gh7 Rh8 14.Qg3 Qf7?! 15.Nf3 Rh7 16.0–0 Rg7 17.Ne5!! Qe7 18.Ng6 Qf7 19.Rf6 Qg6 20.Rg6 Rf7 21.Bf6 Rf6 22.Rg8 1–0. mtr – elbe, Caissa's Web, 2001.

    5.f4 ef4 6.Qf3 Nc6 7.a3–/+.

    5.f4 g6 6.c3 (6.a3 Bc5+=) 6...Bc5 7.d4 ed4 8.cd4 Bb4 9.Bc3 Bc3 10.Nc3 Ne7 (10...Nc6 11.Nf3+=) 11.Nf3 a6 (11...Bg4 12.0–0=) 12.Qb3 Rf8 13.0–0 c6 (13...Nbc6 14.Rad1=) 14.a4 a5 (14...b6 15.a5 b5 16.Be6=) 15.Rae1 White intends e5 (15.Rab1 h6+=) 15...Na6 16.Rf2 (16.e5 fe5 17.fe5 de5 18.de5 Nc5=) 16...b6 17.Ba6 (17.Rb2 Nb4+=) 17...Ra6 18.d5 c5 (18...Bg4 19.dc6 Nc6 20.Nd5+/–) 19.e5. Van Rooijen,Peter – Molenaar, ECC3.035, 2003.

    5.a3 Ba5

    6.Qh5 Kd7?? 7.Ne2 (7.Qg4 Kc6 8.Qg7 Ne7+/–) 7...c5 (better is 7...Nh6=) 8.Qg4+/– Kc7 9.Qg7 Ne7 10.0–0 (10.Qf6 Nd7 11.Qh6 Nb6+/–) 10...Qf8 11.Qg3 Nbc6 12.Bc3 (12.f4 Qh6+/–) 12...Bc3 (12...f5 13.f4 Qf6 14.fe5 de5 15.ef5 Bf5 16.d3+=) 13.Nbc3 (worse is 13.dc3 f5 14.f4 Qh6 15.fe5 Ne5+= (15...fe4 16.Rf6 Ng6 17.ed6 Kd8 18.Bd5+/–; 15...de5?! 16.Qf3+=)) 13...a6 14.Rab1 (14.f4 f5+/–) 14...b5+= 15.Bd5 Nd5 (15...Kd8 16.f4 Nd5 17.Nd5+/–) 16.Nd5+/– (16.ed5?! Ne7=) 16...Kb7 (better is 16...Kd8+/–) 17.c4+– b4 18.ab4 cb4 19.Nb4 (19.f4 a5 20.fe5 Ne5 21.Rf6 Qg8+–) 19...Nb4 20.Rb4 Kc6 21.Rfb1 Kd7 22.Nc3 Rg8 23.Qh3 (better is 23.Qh4 Kd8 24.Nd5+–) 23...Ke7?? (better is 23...Kd8 24.Qh7 Rh8+–) 24.Nd5 (worse is 24.Qh7 Kd8 25.Rb7 Ke8+–) 24...Kf7 (24...Ke8 25.Rb8 Rb8 26.Rb8 Kf7 27.Rc8 Qc8 28.Qh7 Rg7 29.Qh5 Rg6 30.Qg6 Kg6 31.Ne7 Kf7 32.Nc8 Ke6+–) 25.Qh7 Rg7 (25...Ke8 26.Rb8 Rg7 27.Qh5 Qf7 28.Qh8 Rg8+–) 26.Qh5 (better is 26.Rb7 Ke8 27.Rg7 Qg7 28.Qg7 Ra7 29.Qg8 Kd7 30.Rb8 Rc7 31.Qf7 Kd8 32.Qc7 Ke8 33.Rc8) 26...Kg8 27.Qf3 (27.Rb8 Rg5 28.Qg5 fg5 29.Ra8 Kg7+–) 27...Bg4 (27...Kh8+–) 28.Nf6 Kh8 29.Qg3 (better is 29.Ng4 Qf3 30.gf3+–) 29...Qf6+= 30.Rb8 Rb8 31.Rb8 Kh7 32.Qe3 Qh6 (32...Qh6 33.Rh8!! Kh8 34.Qh6 Kg8 35.Qd6 Bh3+–). GuestWLCX – GuestYYRC, freechess.org, 2018.

    6.Qh5 g6 7.Qf3 c6 8.Ne2+=.

    6.Qh5 g6 7.Qf3 Qe7 8.Ne2 (8.Qb3 Kf8+=) 8...Nh6 9.Nbc3 Be6 10.Nd5 0–0?? (better is 10...Bd5 11.Bd5 c6+=) 11.Ne7+– (11.Ne7 Kf7 12.Be6 Ke7 13.Qh3+–) 1–0. DEFFM – GuestGLWM, freechess.org, 2018.

    6.Qh5 g6!? 7.Qh4 Nc6+=.

    5.c3 Ba5

    6.a3 Nc6 (6...Bb6 7.d4 Ne7 8.Qh5 g6+=; 6...a6 7.d4 Nc6 8.Bg8 Rg8+=; 6...Nd7 7.Nf3 Nc5 8.0–0 c6–/+; 6...Qd7 7.Qh5 g6 8.Qf3 f5–/+) 7.Nf3 Bb6 8.d4 f5–/+.

    6.Qb3 Nh6 7.Nf3 Nd7 8.d4 ed4+=.

    6.Qb3 Nh6 7.h3 Nd7 8.Ne2 Nc5 9.Qb5?? (better is 9.Qc2–/+) 9...c6–+ 10.Bf7 (10.Qc5 dc5 11.a4–+) 10...Nf7 11.Qc4 Be6 (11...Be6 12.Qe6 Ne6–+) 0–1. gyananidhi – paolo999123 (1630), gameknot.com, 2014.

    6.d3 Nc6 (6...Bb6 7.Qb3 Nh6 8.Bc1 Ng4+=; 6...Nd7 7.Nf3 Ne7 8.0–0 c6+=) 7.Nd2 Bb6 8.Qh5 g6–/+.

    6.d4 c5 7.Nd2 Ne7 8.Ne2 ed4+=.

    6.d4 Nc6 7.Bg8 Rg8 8.Qh5 Kd7+=.

    6.d4 Qd7 7.Nf3 b5 8.Be2 Bb7+=.

    6.d4 Qe7?? 7.Qa4+/– Nc6 8.d5 Rb8 9.dc6 bc6 10.Qa5 (10.Ba3 Bb6+–) 10...Rb2 11.Qa7 g5 (11...Qd7 12.Qa3 Rb8 13.Nd2+–) 12.Nd2 (12.Bb3 d5+–) 12...h5 (12...Qd7 13.Qa3 Rb8 14.Rd1+–) 13.Bb3 Be6 (13...Qh7+–) 14.Qb8 (14.Qb8 Qd8 15.Qd8 Kd8 16.Be6+–) 1–0. MrkT – titeel, internet, 2005.

    6.d4 Qe7?? 7.Qa4 Bd7 8.Qa5 b6? (better is 8...Nc6 9.Qa3 ed4 10.cd4 Qe4 11.Kf1 Nge7+–) 9.Qa3 Nh6 (9...Nc6 10.Ne2+–) 10.Nd2 (10.Nf3 ed4 11.0–0 b5+–) 10...Nc6 11.Bd5 0–0–0 12.Ngf3 (12.Qa6 Kb8+–) 12...Kb7 (12...Na5 13.0–0+–) 13.0–0 ed4 (13...Kb8 14.Rab1+–) 14.cd4 Be6 (14...Kb8 15.Rab1 Qe8+–) 15.Be6 Qe6 16.d5 Qd7 17.dc6 Qc6 18.Nd4 Qc5 (18...Qd7 19.Qb3 Qf7 20.Nc4+–) 19.Qb3 a6 (19...Qh5 20.a4 Qf7 21.Nc4+–) 20.Rfc1 Qa5 (20...Qh5 21.Ne6 Rd7 22.Rab1+–) 21.Nc4 (21.Rc7 Kc7 22.Nc4 Qc5 23.Ne6 Kc6 24.Nc5 bc5+–) 21...Qh5 22.Ne6 Ng4 23.h3 Ne5 24.Ne5 fe5 25.Rc7 Kb8 (25...Ka8 26.Qd5 Kb8 27.Qb7) 26.Qb6 1–0. wiking – tevehi, internet, 2010.

    6.d4 Ne7 7.Nf3 Nbc6 8.0–0 Bb6 9.Nbd2 Na5 10.a4 Qd7 (10...f5 11.ef5 (11.Bb5 c6 12.Be2 fe4 13.Ne4–/+ d5–/+) 11...ed4 (11...Bf5 12.de5 d5 13.Be2 0–0=; 11...e4 12.Nh4 d5 13.Qh5 Kd7+/–) 12.Nd4 Nc4 13.Qh5 Kf8=; 10...Nc4 11.Nc4 ed4 (11...Be6 12.d5 Bd7 13.Ba3 0–0=) 12.a5 dc3 13.ab6 cb2+=) 11.Ba2 (11.Be2 a6 (11...Ng6 12.Nc4 Nf4 13.Nb6 ab6–/+; 11...0–0 12.Nc4 Qe6 13.Na5 Ba5+=; 11...c6 12.de5 de5 13.Ba3 Qe6+=; 11...Rb8 12.Nc4 Nc4 13.Bc4 Nc6+=) 12.Rb1 Ng6 13.Nc4 Nc4–/+; 11.Bd3 Ng6 (11...0–0 12.Nc4 Qe6 13.Na5 Ba5+=; 11...Qe6 12.Bb1 Bd7 13.Ba2 Qg4+=; 11...c6 12.Nc4 Nc4 13.Bc4 ed4+=) 12.Nc4 Nf4 13.Nb6 ab6+=; 11.Bb5 c6 12.Bd3 Ng6 13.Nc4 Nc4+=; 11.Qc2 Nc4 12.Nc4 Qe6 13.Qb3 ed4=) 11...Qg4 (11...Qc6 12.Qe2 Bg4 13.h3 Bh5=) 12.Nc4 (12.h3 Qh5 (12...Qg6 13.Nh4 Qh6+=) 13.Rb1 Nac6+=; 12.Re1 Nac6 13.Nc4 Qg6+=) 12...Qg6 (12...Qe4 13.Na5 Ba5 14.Qb3–/+) 13.Nfd2 (13.Na5 Ba5 14.Qd3 a6+=) 13...Bh3 (13...Nc4 14.Bc4 Nc6 15.Bd5–/+) 14.Qf3 (14.Ne3 Bd7+=) 14...Bg4 15.Qe3 Bd7 (15...Nc4 16.Nc4 Nc6 17.Nb6 ab6 18.Bd5+=) 16.Na5 (16.Nb6 ab6 17.Bb1 Be6+=) 16...Ba5 17.Nc4 b6 (17...ed4 18.cd4 Bb4 19.a5+=) 18.de5 (18.Na5 ba5 19.Bc4 Rb8=) 18...fe5 19.f4 (19.Na5 ba5 20.f4 Qh6= (20...Ba4 21.fe5 Rf8 22.Rf8 Kf8 23.ed6 Qd6 24.Ba3+–)) 19...ef4 (19...Ba4 20.fe5 Bb5 21.ed6 cd6 22.Nd6 Qd6 23.Bf7 Kf8 24.Bc4 Ke8 25.Bb5 Nc6 26.Qd4 Qd4 27.cd4+–) 20.Qf4 Be6 (20...Ba4?? 21.Na5 Qf6 22.Qe3+– (22.Qf6?! gf6 23.Rf6 Rf8 24.Rf8 Kf8+–)) 21.e5 (21.Na5 Ba2 22.Ra2 ba5=) 21...Bc4 (21...Bd5!? 22.Rf2 Rd8=) 22.Qc4= 0–0–0 (22...de5 23.Qb5 c6 24.Qe5+–) 23.Ba3 c5 24.Bb1 (24.Rf7!? Rd7 25.e6=) 24...Qg5+= 25.ed6 Rd6 (25...Qe3 26.Kh1 Rd6 27.Qa6 Kd8 28.Bc1=) 26.Bc1= Qd5 27.Qg4 Kd8 28.Ba2 c4 (28...Qd3 29.Bf4 Bc3 30.Bd6 Qd6 31.Rad1 Bd4 32.Kh1+=) 29.Ba3+= (worse is 29.Qg7 Qc5 30.Kh1 Rg8 31.Qh7 Bc3–/+) 29...Rg6 30.Qe2 Bc3? (30...Re6 31.Qc4 Qc4 32.Bc4 Re4 33.Rad1 Kc7+–) 31.Be7+– (31.Qe7 Kc8 32.Rf8 Rf8 33.Qf8 Kb7 34.Qe7 Ka6–+) 31...Kc8 32.Rad1 Re6 33.Qg4 (33.Rd5?! Re2 34.Rc1 Ra2 35.Rc3 Ra4=) 33...Qe4 34.Rf4 Qe3 35.Kh1 h5 (35...Kb8 36.Bf8 h5 37.Qf5+–) 36.Rc4 Kb7 (36...Kb8 37.Rc8! Rc8 38.Qe6 Qe6 39.Be6+–) 37.Qe6! Qe6 (37...Qe6 38.Rc7) 38.Rc7!! Kc7 39.Be6 Rh6 40.Bf5 Be5 41.Rd7 Kb8 42.Rd8 (42.Be4 Bc7 43.Bb4 Re6+–) 42...Kc7 43.Rc8 (43.g3 Rc6+–) 43...Kb7 44.Re8 h4 (44...Bb2 45.Rf8 Be5 46.Be4 Ka6 47.Rf7+–) 45.Bg5 (45.Bb4 a5 46.Ba5 ba5 47.Re5 Rd6+–) 45...Rd6 46.Rd8 (46.g3!? Bf6 47.Bf6 gf6 48.gh4 Kc6+–) 46...Rd8 47.Bd8 Kc6 (47...Bf6 48.Bf6 gf6 49.g4+–) 48.Bh4 Kc5 (48...b5 49.Be4 Kc5 50.ab5 Kb5 51.Bd3 Ka4 52.Bf2+–) 49.Be7 Kc4 50.Be6 Kc3 51.g4 (51.Bd7 a6+–) 51...a6 52.Kg2 (52.Bd7 Kc4+–) 52...b5 53.ab5 ab5 54.h4 b4 55.Kf3 b3 56.Ke4 b2 57.Ba2 Bg3 (57...Bd4+–) 58.h5 Kc2 59.Bf8 Be1 60.Bg7 1–0. Bjazevic,Pavao – Aymard,Michel (2010), corr ICCF WSTT/3/06/3, 2006.

    6.d4 Ne7 7.Nf3 Nbc6 8.0–0 Bb6 9.Nbd2 Na5 10.Qa4 A) 10...Bd7 11.Bb5 a6 (11...c6 12.Bd3 Ng6 13.Qc2 Nf4+=; 11...Ng6 12.Rfe1 c6 13.Bd3 Nf4–/+; 11...Bb5 12.Qb5 Qd7 13.a4 Qb5+=) 12.Bd7 Qd7 13.Qd7 Kd7–/+; B) 10...c6 B1) 11.Rab1 Nc4 12.Nc4 Bc7 13.Ne3 Be6+=; B2) 11.Rfb1 f5 12.Be2 ed4 13.Nd4 fe4–/+; B3) 11.Bd3 0–0 (11...Ng6 12.Qc2 Nf4 13.c4 Qd7–/+; 11...Be6 12.Rfd1 0–0 13.c4 Ng6–/+; 11...Bg4 12.c4 0–0 13.Rab1 Ng6–/+) 12.Qc2 Ng6 13.Ba3 Be6–/+; B4) 11.Qb4 Ng6 12.Ba3 Bg4 13.Rfe1 Qd7+=; B5) 11.Rad1 ed4 (11...Nc4 12.Nc4 ed4 13.Ba3 Bc7+=; 11...Bg4 12.de5 fe5 13.h3 Bd7+=; 11...Ng6 12.Ba3 Nf4 13.Bb4 Nc4=) 12.cd4 Nc4 13.Nc4 Bc7–/+; B6) 11.Be2 0–0 (11...Ng6 12.c4 Nf4 13.Rfe1 g5+=; 11...Be6 12.Nb3 Ng6 13.d5 Nf4+=; 11...Bg4 12.Rfe1 0–0 13.h3 Be6–/+) 12.c4 Ng6 13.Rad1 Nf4–/+; B7) 11.Ba3 Nc4 12.Nc4 Bc7 13.de5 b5=; C) 10...Qd7 11.Bb5 c6 12.Be2 Ng6 13.Rfe1 Nf4–/+.

    6.d4 Ne7 7.Nf3 Nbc6 8.0–0 Bb6 9.Nbd2 Na5 10.Bb3 A) 10...Nb3 11.ab3 ed4 (11...0–0 12.Nc4 f5 13.Nb6 cb6+=; 11...Be6 12.Nc4 Bc4 13.bc4 Nc6+=; 11...c6 12.Nc4 Be6 13.Ba3 Bc7+=; 11...Bg4 12.Nc4 0–0 13.h3 Bh5+=) 12.cd4 f5 13.e5 de5+=; B) 10...Bg4 B1) 11.h3 Nb3 (11...Bd7 12.Nc4 Nc4 13.Bc4 Bc6+=) 12.ab3 Be6 13.Nc4 Bc4+=; B2) 11.Nc4 d5 (11...Nc4 12.Bc4 Nc6 13.h3 Bh5+=) 12.Nb6 ab6 13.Qd3 0–0+=; C) 10...ed4 11.cd4 (11.Nd4 Nb3 12.ab3 0–0 13.Re1 f5+=) 11...Nb3 (11...f5 12.ef5 Bf5 13.Re1 Nb3=; 11...d5 12.Ba3 de4 13.Ne4 Nb3=) 12.Qb3 c6 13.Rae1 Ba5=; D) 10...Ng6 D1) 11.Bc1 Qe7 (11...c6 12.Re1 Nb3 13.ab3 Bg4+=; 11...ed4 12.cd4 Qe7 13.Nc4 Nc4+=) 12.Re1 c6 13.Ba3 Bg4+=; D2) 11.Qc2 Nf4 (11...c6 12.Rfd1 Nb3 13.ab3 0–0+=) 12.Nc4 Nc4 13.Bc4 Qd7–/+; D3) 11.Re1 Nb3 (11...Bg4 12.h3 Nb3 13.Qb3 Bd7+=; 11...Qe7 12.Nc4 Nc4 13.Bc4 Be6+=) 12.ab3 Be6 13.Bc1 0–0+=; E) 10...c6 E1) 11.Bc1 Bg4 (11...Nb3 12.ab3 Bg4 13.Qc2 0–0–/+; 11...Ng6 12.Re1 Nb3 13.ab3 Bg4+=; 11...Qc7 12.Re1 Bg4 13.h3 Bh5–/+; 11...Bd7 12.Rb1 Bg4 13.h3 Bh5+=) 12.h3 Bh5 13.Qc2 Nb3–/+; E2) 11.Ba3 Bg4 (11...Qc7 12.Rb1 Nb3 13.Qb3 Bg4+=) 12.de5 de5 13.h3 Bh5+=; E3) 11.c4 Ng6 (11...Nb3 12.ab3 0–0 13.Qe2 Be6+=; 11...Be6 12.c5 Nb3 13.ab3 dc5+=; 11...Bg4 12.c5 dc5 13.de5 f5+=; 11...ed4 12.Bd4 Bg4 13.Qc2 Ng6+=) 12.Qc2 Qe7 13.Rfd1 Be6–/+; E4) 11.Qc2 ed4 (11...Bg4 12.h3 Nb3 13.ab3 Be6+=; 11...Ng6 12.Rfd1 Nb3 13.ab3 0–0+=; 11...Qc7 12.c4 Nb3 13.ab3 ed4+=; 11...Nb3 12.ab3 ed4 13.Nd4 0–0+=) 12.Nd4 Nb3 13.ab3 0–0+=; E5) 11.Rb1 ed4 (11...Bg4 12.h3 Nb3 13.Qb3 Bh5+=; 11...Nb3 12.Qb3 Bg4 13.c4 Ng6+=; 11...Qc7 12.Re1 Nb3 13.Qb3 Bg4+=; 11...Ng6 12.Ba3 Bg4 13.h3 Bc8+=) 12.cd4 f5 13.Ng5 Nb3+=; E6) 11.Nc4 Nc4 (11...Nb3 12.ab3 Be6 13.Ba3 Bc4+=; 11...Bg4 12.Na5 Ba5 13.Qd3 Ng6+=) 12.Bc4 d5 13.ed5 e4+=.

    6.d4 Ne7 7.Nf3 Nbc6 8.0–0 Bb6 9.Nbd2 Na5 10.Bb5 A) 10...Bd7 A1) 11.a4 0–0 (11...c6 12.Be2 0–0 13.Rb1 ed4+=) 12.Bd7 Qd7 13.Qc2 Rae8–/+; A2) 11.Bd7 Qd7 12.Rb1 0–0 13.Re1 Rae8+=; A3) 11.Qe2 Ng6 (11...c6 12.Bd3 0–0 13.c4 Ng6+=; 11...0–0 12.Rfd1 Ng6 13.Bd7 Qd7–/+) 12.Bd7 Qd7 13.Rfd1 Nf4–/+; A4) 11.Be2 Be6 (11...Nec6 12.Nb3 0–0 13.Bc1 Qe7+=; 11...Ng6 12.Nc4 Nc4 13.Bc4 Qe7+=; 11...0–0 12.Nc4 Nc4 13.Bc4 Kh8+=) 12.Bc1 0–0 13.a4 Ng6–/+; A5) 11.Qa4 a6 (11...c6 12.Bd3 Ng6 13.Qc2 Nf4+=; 11...Ng6 12.Rfe1 c6 13.Bd3 Nf4–/+) 12.Bd7 Qd7 13.Qd7 Kd7–/+; A6) 11.Bd3 Be6 (11...Ng6 12.Nc4 Nf4 13.Na5 Ba5+=; 11...0–0 12.Nb3 Be6 13.Na5 Ba5+=) 12.Qa4 c6 13.Nb3 0–0+=; B) 10...c6 B1) 11.Bd3 Be6 (11...0–0+= 12.c4 ed4 13.Bd4 Ng6+=; 11...Bg4 12.Qc2 0–0 13.c4 ed4+=; 11...Ng6 12.Nb3 Nf4 13.Na5 Ba5+=) 12.Qc2 Ng6 13.Rfb1 Nf4+=; B2) 11.Be2 0–0 (11...Be6 12.c4 0–0 13.c5 dc5+=; 11...Bg4 12.c4 0–0 13.c5 dc5+=; 11...Qc7 12.c4 ed4 13.Nd4 0–0+=) 12.c4 ed4 13.Nd4 f5+=.

    6.Ne2 f5 (6...Ne7 7.Qb3 Nd7 8.Bf7 Kf8 9.Ba3+=; 6...Bb6 7.d4 Ne7 8.0–0 Nbc6+=; 6...Nc6 7.Ng3 Bb6 8.d4 Nge7+=; 6...c6 7.Qb3 d5 8.ed5 b5+=) 7.Qb3 Nh6 8.ef5 Bb6–/+.

    6.Nf3 c6 (6...Bb6 7.d4 Nc6 8.Nbd2 Nge7+=; 6...Nd7 7.0–0 Ne7 8.d4 Nb6+=; 6...Nc6 7.Qb3 Nh6 8.0–0 Bb6+=; 6...Ne7 7.d4 c6 8.de5 fe5+=) 7.Qb3 Nh6 8.0–0 f5+=.

    6.Bg8 Rg8 7.Qh5 Kf8 (7...g6!? 8.Qh7 Be6–/+) 8.Qh7= Nc6 9.Nf3 d5 10.Ba3 Ne7 11.Nh4 Kf7 12.Be7 Ke7 13.Ng6 Kd6 14.ed5 Bf5 15.Qh5 Bg6 (15...Bd3 16.Na3 Qe8–/+ (worse is 16...Kd5 17.Nf4 Kc6 18.Nd3 Qd3 19.Qg4+=)) 16.Qg6+= Kd5 17.Na3 Ke6 18.Nc4 Bb6 19.0–0–0 (19.d4 ed4 20.–0–0 Ke7+/–) 19...Bf2 (better is 19...Qd5!? 20.Qg4 Ke7+=) 20.Rhf1+= Bc5? (20...Qd5 21.Qg4 f5 22.Qg6 Ke7 23.d3+/–) 21.Rde1?? (better is 21.d4 Qd5 22.Qf5 Ke7 23.de5+–) 21...Kd7+= 22.Qf5 Ke7?? (22...Kc6 23.Qe6 Kb5 24.a4 Ka4+–) 23.Ne5!+– Ba3 (23...fe5 24.Re5 Mate attack) 24.Kc2 Kf8 (24...Qc8 25.Ng6 Kd6 26.Qd3 Kc6 27.Qc4 Kd6+–) 25.Nd7 (25.Qe6 Qd2 26.Kd2 Rd8 27.Kc2 Rd2 28.Kd2 Bc1 29.Kc1 Rh8 30.Nd7) 25...Kf7 (25...Qd7 26.Qd7 Rh8+–) 26.Ne5 (26.Qe6 Kg6 27.Ne5 Kh5 28.Qf5 Kh6 29.Qg6) 26...Kf8+– 27.Nd7 Kf7 28.Qe6 Kg6 29.Ne5 Kh6 (29...Kh5 30.Qf5 Kh6 31.Qg6) 30.Qh3 Kg5 31.Rf5 1–0. qr19kaash (1635) – ch1nky (1610), gameknot.com, 2014.

    6.Bg8 Rg8–/+ 7.Qh5 g6 8.Qh7 Be6 9.Nf3 d5 10.Qh4 de4 11.Qe4 Nc6 12.0–0 Bd5 13.Qe2 Bf3 14.Qf3= Qd6 15.Ba3 Qe6 16.Re1 0–0–0 17.Bc5 Qd5 18.Qd5 Rd5 19.Be3 Rgd8 20.Rc1 Bb6 21.c4 R5d7 22.Nc3 Be3 23.de3 f5 24.Rab1 Na5 25.a4 a6 26.c5–/+ Rd2 27.h3 e4 28.Kf1 R2d3 29.Rc2 Nc4–/+ 30.Rb4 Na3 31.Rc1 a5 32.Rb3 Nc4 33.Ke2 R8d7 34.Rb5 Rd2 35.Ke1 c6 36.Rb3 Ne5 37.Rbb1 Rd8 38.h4 R2d7 39.Ke2 Nd3 40.Rd1 Nc5 41.Rd7 Rd7 42.Rc1 b6 43.Nd1 Rd3 44.Nc3 Kd7 45.Rc2 Ke6 46.g4–/+ Kf6 47.Rc1 Ke5 48.gf5 gf5 49.Rc2 Kf6 50.Kf1 Kg6–+ 51.Ne2 Ra3 52.Nf4 Kf7 53.Ke2 Ra4 54.Rb2 Rb4 55.Rb4 ab4 56.h5 Kg7 57.Ng6 b3 58.Kd2 b2 59.Kc2 Kf6 60.Nf4 Nd3 61.Nd3 ed3 62.Kb2 c5 (62...c5 63.h6 b5–+) 0–1. Psion – Psion, 45 sec/Zug, 1988.

    6.Qh5 g6 7.Qh4 Qe7 8.Nf3 Nc6–/+.

    6.d4 ed4

    7.Qh5 g6 8.Qa5 dc3 9.Qd5 Qe7 10.Nc3 Nd7+– 11.Rc1 Nc5 12.Qd4 Be6 13.Be6 Qe6 14.Nf3+–.

    7.Qh5 g6 8.Qa5 dc3 9.Qd5 Qe7 10.Nc3 c6 11.Qd4 Nh6 12.0–0–0 b5 13.Bb3 Be6 14.Be6+–.

    7.Qh5 g6 8.Qa5 dc3 9.Qd5 Qe7 10.Nc3 Nd7+– 11.Qd4 Nb6 12.Rc1 c5 13.Bb5 Bd7 14.Qd3+–.

    7.Qh5 g6 8.Qa5 dc3 9.Qd5 Qe7 10.Nc3 Nd7 11.Nf3 Nc5+–.

    7.Qh5 g6 8.Qa5 dc3 9.Qd5 Qe7 10.Nc3 f5 11.Qd4 Nf6 12.Nd5 Nd5 (12...Qe4 13.Qe4 fe4 14.Bf6+–) 13.Qh8 Kd7 (13...Qf8 14.ed5 Qh8 15.Bh8 Nd7+–) 14.Bd5 fe4 15.Bf6 Qe8 16.Qh7 1–0. marree – poqoth, internet, 2010.

    7.Qh5 g6 8.Qa5 dc3 9.Qd5 Ne7 10.Qf7 Kd7 11.Nc3 (11.Bc3 Rf8 12.Qg7 f5+– 13.Nd2 h5 14.Ndf3+–; 11.Be6 Kc6 12.Bc8 Nc8 13.Nc3 Na6 14.Rc1+–) 11...Qe8? (11...Qf8+– 12.Qf8 Rf8 13.Rd1 Nbc6 14.f4+–) 12.Qf6 Rf8 13.Qh4 Nbc6 14.Qh7 Nd4 (14...Ne5 15.Be2+–) 15.Rc1 Kd8 16.Nd5 Nd5 17.Bd5 (worse is 17.Bd4 Qe4 18.Ne2 Re8+–) 17...c6 (17...Ne6 18.Be6 Qe6 19.Qc7 Ke8+–) 18.Bd4 cd5 (18...Qe7 19.Qe7 Ke7+–) 19.Qc7 1–0. mtrc – Slasker9, internet, 2002.

    5.c3 Bc5

    6.d4 Bb6 7.Nf3 Nc6 8.0–0 f5+=.

    6.d4 Bb6 7.Nf3 Bg4+=.

    6.d4 Bb6 7.Bg8 Rg8 8.Qh5 Kf8 (8...g6 9.Qh7 Be6 10.d5–/+) 9.Qh7= Qe8 (9...Kf7 10.Qh5 Ke7 11.Nf3=) 10.Ne2 (10.a4 ed4 11.cd4 Ba5 12.Bc3 Bc3 13.Nc3 Ke7+=) 10...Qb5 (10...Ke7 11.Nd2=) 11.Ba3 (11.Bc1 ed4 12.cd4 Bd4 13.Nd4 Qb4 14.Nd2 Qd4=) 11...ed4= 12.Nd4 (worse is 12.cd4 Qa5 13.Kf1 Qa4–/+) 12...Bd4 (12...Qg5 13.Rg1=) 13.cd4+= Nc6 14.d5 Nd4 Threatening mate... how? 15.Nc3 Qd3 Do you see the mate threat? 16.Rc1 Nc2 17.Rc2 Qc2 18.Ne2 Bd7 (18...Qa2?! 19.Bc1–+) 19.Qh4 (19.Qh5 Qe4 20.Bc1–+) 19...Ba4 (19...Qa2?! 20.Bc1–+) 20.0–0 Qe2 21.Rc1 (21.Bb4 Qa2 22.Qh7 Bb5–+) 21...Re8 22.Qf4 (22.e5 Qe5 23.Bd6 cd6 24.Qb4–+) 22...Re4 (22...Re4 23.Bd6 Ke8 24.Qe4 Qe4 25.Bc7 Qd5–+) 0–1. Bendig,Frank – Danner, corr, 1990.

    6.Nf3 Qe7 (6...Bb6 7.d4 Nc6 8.0–0 f5+=; 6...Nc6 7.d4 Bb6 8.0–0 f5+=) 7.0–0 Bb6 8.d4 Nc6+=.

    5.Nf3 Nc6

    6.0–0 Bc5 7.d4 ed4 8.Nd4 Nd4+=.

    6.0–0 f5 7.ef5 White gets in control 7...Bf5 8.c3 Bc5 9.d4 Bb6 10.Bb5 ed4 11.cd4 d5 (11...Qf6 12.Qb3 Kd8 13.Bc6 bc6 14.d5=) 12.Bc6 bc6 13.Re1 Be4 (13...Ne7 14.Ba3 c5 15.dc5+/– (15.Bc5?! Bc5 16.dc5 0–0=)) 14.Nbd2 Nf6 15.Ba3 Qd7 16.Ne5 (16.Ne4?! de4 17.Qe2 Qd5= (worse is 17...Bd4 18.Rad1+/–)) 16...Qe6 17.Qa4 White threatens.... what? (worse is 17.Ne4 de4 18.Qa4 Qd5 19.Nc6 Kf7+=) 17...h5 (17...Nd7 18.Ne4 de4 19.Re4 Rd8+–) 18.Rac1 (18.Ne4?! de4 19.Rac1 Qd5 20.Rc6 0–0–0+–) 18...Kd8 19.Nc6 Ke8 20.f3 Kf7 21.fe4 (21.Ne4?! de4 22.fe4 Rhe8+–) 21...Rhe8 (21...Ne4 22.Ne7 g5 23.Ne4 de4 24.Rf1 Kg7 25.Rc6 Qe7 26.Be7+–) 22.Nf3 Kg8 23.ed5 Qg4 24.Ne7 (24.Ne7 Kh7 25.Re5+–) 1–0. Woelfelschneider,Peter – Rushton,Darren, T16–01.50, 2002.

    6.0–0 Bg4 7.c3 Bc5 8.d4 Bb6+=.

    6.a3 Bc5 7.d4 ed4 8.Nd4 Qe7+=.

    6.c3 Bc5 (6...Ba5 7.0–0 Bb6 8.d4 f5+=) 7.d4 Bb6 8.Nbd2 Nge7+=.

    5.Nf3 Bg4

    6.c3 Bc5=.

    6.c3 Ne7?? 7.cb4+– Nbc6 8.Bb5 (8.b5 Na5 9.Be2 Bf3 10.Bf3 Nc4+–) 8...0–0 (8...a6 9.Bc6 Nc6 10.a3+–) 9.0–0 (9.Bc6 Nc6 10.b5 Ne7+–) 9...a6 10.Bc4 Kh8 11.d3 (11.Qb3 Bf3 12.Qf3 Nb4+–) 11...Nb4 12.Bc3 (12.a3 Nbc6 13.h3+/–) 12...Nec6? (better is 12...Bf3 13.gf3 Nbc6+=) 13.a3+– Bf3 (13...d5 14.Bb4 Nb4 15.ab4 dc4 16.dc4+–) 14.gf3 (14.Qf3?! Nc2 15.Ra2 N2d4+–) 14...a5 (14...d5 15.Bb3 (15.ab4?! dc4 16.dc4 Qe8+/–; 15.Bb4?! Nb4 16.ab4 dc4+/–) 15...de4 16.ab4 ed3 17.Bc4+–) 15.ab4 ab4 16.Bb2 (16.Ra8 Qa8 17.Bd2 f5+–) 16...Na5 (16...Ra1 17.Ba1 f5 18.Be6+–) 17.Be6 c5 (17...Qe7 18.Bf5+–) 18.Bd5 (18.f4 Qe7 19.Qg4 ef4+–) 18...f5 19.Nd2 f4 (19...Qg5 20.Kh1+–) 20.Kh1 Qg5 (20...Qe7 21.Qa4+–) 21.Rg1 Qf6 22.Qf1 Nc6 23.Qh3 Nd4 (23...Ra1 24.Ra1 Qe7 25.Kg2+–) 24.Bb7 Ra1 25.Ba1 Ne2 26.Rg2 (26.Re1 Nd4+–) 26...Qe7 (26...Nc1 27.Ba6+–) 27.Bd5 Ng3 (27...Rb8 28.Rg6+–) 28.Kg1 (better is 28.hg3 h6+–) 28...Qa7 (28...Ne2 29.Kf1 Nc3 30.Bc3 bc3 31.Nb3+–) 29.fg3 (better is 29.Be5!? Ne2 30.Kf1 Ng3 31.hg3 de5+–) 29...Qa1 30.Nf1 Qd4 31.Kh1 (31.Rf2 fg3 32.hg3 Qd3+–) 31...Qd3 (31...Qa1 32.Rd2+–) 32.Rf2 (32.Nd2!? Qe3 33.Qd7 fg3 34.Rg3 Qh6+–) 32...b3 33.Nd2 (33.gf4 ef4 34.Kg1 Qb5+–) 33...b2 34.Qf1 Qc2 35.Qe2 (better is 35.Qb5+–) 35...b1Q 36.Nb1 Qb1 37.Rf1 Qb8 38.g4 Qd8 39.Qf2 Qa5 40.h4 (40.Rb1 Rc8+–) 40...Rb8 41.Kh2 Qc3 42.h5?? (better is 42.Re1+/–) 42...Rb2–+ 43.Kh3 (43.Kg2 c4–+) 43...Rf2 44.Rf2 Qe1 (44...h6 45.Kg2 Qe1 46.Be6–+) 45.Kg2 Qa1 (45...h6 46.Be6–+) 46.Rd2?? (better is 46.Ra2 Qa2 47.Ba2+–) 46...g6–+ 47.hg6? (47.h6 Qe1 48.Rf2–+) 47...hg6 (better is 47...c4–+) 48.Bc4 (48.Re2–+) 48...Qc1 49.Rd6 Qc4 50.Rg6 (50.Rd8 Kg7 51.Rd7 Kh6 52.Rd2–+) 50...Qe2 51.Kh3 Qf3 (51...Qf2 52.Rh6 Kg7 53.Rh7 Kh7 54.g5 Qg3) 52.Kh4–+ Qe4 53.Rh6 Kg7 54.Kh5 Qh1 55.Kg5 Qh6 0–1. Tortoza,Carlos (1745) – Pieleck,Rudi (1775), RSX16E4 – Sokolsky–1, 2010.

    6.h3 Bh5 7.a3 Ba5 8.g4 Bg6 9.Qe2 Nd7 10.h4 h6 11.h5 Bh7 12.Nh4 Ne7 13.Nc3 Nb6 14.Be6 Bg8 15.Bg8 Rg8 16.Qb5 Nc6 17.Nd5 a6 18.Qd3 Qd7 19.Nf5 Nd5 20.Qd5 0–0–0 21.0–0–0 Ne7?? (better is 21...Bb6–/+) 22.Qa5 Nf5 23.gf5 d5 24.d3 d4 (24...Qc6 25.Qc3 Qb6 26.Rhf1+–) 25.Rhg1 Kb8 26.Rg6 Ka7 27.a4 b6 28.Qb4 c5 29.Qc4 Kb7 30.Rdg1 Qc7 (30...Rc8 31.Kd1 b5 32.Qb3+–) 31.Kd1 Rd7 (31...Rdf8+–) 32.Qg8 (32.Qg8 Qc8 33.Rg7 Qg8 34.Rd7 Kc6 35.Rgg7 Qg7 36.Rg7+–) 1–0. man_about_town (1665) – paolo999123 (1650), gameknot.com, 2014.

    6.h3 Bh5 7.c3 Bc5 8.Qb3 Ne7 9.g4 (9.d4 Bb6+=) 9...Bg6–/+ 10.Qb7 Nd7 11.Ba3 Rb8 12.Qa6 Be4 (12...Be4 13.Ke2 Rb6 14.Qa7 Rb1 15.Bc5 Rh1 (15...dc5?! 16.Rhb1 Bb1 17.Rb1=) 16.Rh1 Nc5–+) 0–1. Woschkat,Karl_Heinz – Noble, CiF, 1991.

    5.Bg8 Rg8

    6.Qh5 Ke7

    7.Qh7 Nc6 8.Ne2 (8.Nf3 Be6+=) 8...Qf8 (8...Be6 9.Nbc3+=) 9.Qg6 (9.Nbc3 Be6+=) 9...Qf7 (9...Qe8 10.Qe8 Re8 11.a3+=) 10.Qg3 Bd7 (10...Kd8 11.a3 Bc5 12.Nbc3+=) 11.c3 (11.a3 Bc5=) 11...Ba5+= 12.d4 (12.d3!?+=) 12...ed4–/+ 13.Nd2 (13.0–0 dc3 14.Nbc3 Rh8–/+) 13...dc3 14.Bc3 Bb6 15.a4 a6 (15...Qh5 16.Nf4 Qg4 17.a5–/+) 16.a5 (16.Nf4 Kd8+=) 16...Ba7–/+ 17.Rb1 Rae8 (better is 17...Rab8!?–/+) 18.Rb7+= Rc8 (18...Kd8!?+=) 19.Qd3+/– g5 (19...Bc5 20.Qa6 Ra8 21.Qd3+/–) 20.Qa6+– Bc5 21.Nb3 Ra8 (21...Ba7+–) 22.Qd3 Rgc8 23.Nc5 dc5 24.0–0 (24.Qe3 Qc4+–) 24...c4 (better is 24...Na5 25.Ba5 Ra5+–) 25.Qd2 Be6 (25...Ke8 26.Ra1+–) 26.f4 gf4 (26...Rd8 27.Qe3 Ke8 28.Qc5+– (28.fg5?! Na5 29.Ra7 Nc6 30.Ra8 Ra8+–)) 27.Nf4 Ra7 (27...Nd8 28.Rb2 Ra6+–) 28.Nd5 Bd5 29.ed5 (29.Qd5?! Qd5 30.ed5 Rb7 31.dc6 Rb3 32.Bf6 Ke6+=; 29.Bf6 Qf6 30.Rf6 Rb7 31.Qd5 Rb1 32.Kf2 Kf6 33.Qf5 Ke7 34.Qc8 Kd6 35.Qf8 Ne7+–) 29...Rb7 30.dc6 Rb5 (30...Rcb8 31.Bf6 Ke6 32.Qe3 Kd6 33.Be5 Kc6 34.Rf7 Rb1 35.Kf2+–) 31.Qd7 Kf8 32.Rf6 1–0. pierre_d – Super Frank, ChessWorld.net, 2005.

    7.Qh7 Be6 8.f4 (8.c3 Ba5+=) 8...Nc6+= 9.f5 (9.Nc3 Bc5+=) 9...Bf7 10.a3 Ba5 (10...Bc5 11.Nf3+=) 11.Nc3 (11.Nf3 d5 12.Qh4 Rh8–/+) 11...Bc3 (11...d5 12.ed5 (12.Nd5? Bd5 13.ed5 Qd5–+) 12...Bc3 13.Bc3 Qd5 14.Qh3 Qe4 15.Ne2–/+) 12.Bc3= Qf8 (12...d5 13.Rb1+=) 13.Qh3 Rd8 (13...g6 14.Rb1 Rb8 15.fg6 Bg6 16.d3+=) 14.Rb1 b6 (14...Rb8 15.Qe3=) 15.Qd3 Kd7 (15...g6 16.Ne2=) 16.Nf3 Qe7 (16...d5 17.ed5 Ke8 18.Bb4 Nb4 19.Rb4 Bd5 20.c4=) 17.Qb5 (17.0–0 d5=) 17...Ra8 18.Qa6 Rgb8 (18...g6 19.Nh4=) 19.0–0 (19.Qd3 Rh8=) 19...Qd8 (19...b5 20.Rb5 Bc4 21.Rfb1+=) 20.Rfe1 (20.d3 d5+=) 20...Qc8 (20...Qg8 21.d3+=) 21.Qe2 a6 22.Rb2 (22.d3 Qg8+=) 22...Qh8= 23.Reb1 (23.d4 ed4 24.Bd4 Qh5=) 23...Qd8 (23...Qh5 24.a4=) 24.d3 (24.Qe3 Qe7+=) 24...Ke7 (24...Qe7 25.Qe3+=) 25.d4 (25.Bd2 Qd7+=) 25...ed4 26.Nd4 (26.Bd4 Ke8+=) 26...Ne5= 27.a4 (27.Nf3 Nc4 28.Rb3 Ke8=) 27...Kf8 (27...Qd7 28.Ra1=) 28.a5 (28.Nf3 Qe8 29.Be5 fe5=) 28...Qd7 (28...ba5 29.Ba5 Rb2 30.Rb2–+) 29.ab6 (29.Ne6 Be6 30.fe6 Qc6 31.Be5 de5= (31...fe5 32.Qf3 Kg8 33.Qf7 Kh8 34.Rb3 Qc5 35.Kh1 Qe3 36.Re3 ba5 37.Rh3)) 29...cb6 30.Ra1 (30.Rb4 b5=) 30...Bc4 (30...Qc7 31.Be1=) 31.Qe3 Qc7 32.Ra4 (32.Bd2 Bf7=) 32...Qc5 (32...b5 33.Ba5 Qe7 34.Ra1+=) 33.Bb4 Qc7 34.Qa3 Kg8?? (better is 34...Ke7=) 35.Bd6+– Qb7 (35...Qd8 36.Nc6! Nc6 37.Rc4+–) 36.Bb8 Rb8 37.Qe3 (37.Qd6 Re8 38.Nc6 b5 39.Ne5 Qe4+=) 37...b5 (37...Rd8 38.Ra1+–) 38.Ra1 (38.Nf3 Ng4 39.Qd4 Qc7 40.Rc4 bc4 41.Rb8 Qb8 42.Qc4 Kh7+/–) 38...Qb6 (38...Re8 39.Re1+–) 39.c3 (39.Rd1 Re8+–) 39...Rd8 (39...Nd3 40.Rd2 Nc5 41.Rad1+–) 40.Rd2 b4 (40...a5 41.Qg3+–) 41.cb4 Qb4 42.Rad1 a5 43.Qg3 Qb6 44.Kh1 Rb8 (44...Qc7 45.Qc3+–) 45.Nf3 Nf3 (45...Nf7 46.Rd7+–) 46.gf3 Qe3 (46...Rf8+–) 47.Rd8 1–0. pierre_d – Super Frank, ChessWorld.net, 2005.

    7.Qh7 Qf8

    8.c3 Ba5 A) 9.Nf3 Nd7 (9...Nc6 10.d3 Qf7 11.Qh4 Be6 12.Qg3 Ba2+=; 9...Rh8 10.Qg6 Rh6 11.Qg3 Qf7 12.Nh4 g5+=) 10.d3 Nc5 11.Kd2 Be6 12.Ba3 Qf7–/+; B) 9.d3 Be6 (9...Na6 10.Qh5 Qe8 11.Qe2 Qg6 12.g3 Kd8+=) 10.Nd2 Na6 11.Qh5 Qe8 12.Qe2 Qc6–/+; C) 9.Ne2 Nc6 (9...Kd8 10.d4 Nc6 11.Nd2 ed4 12.cd4 f5+=; 9...Nd7 10.Ba3 Kd8 11.d3 Rh8 12.Qg6 Qe7+=; 9...Rh8 10.Qg6 Nd7 11.Qg3 Qf7 12.d3 Kd8=) 10.f4 Rh8 11.Qg6 f5 12.d3 fe4+=.

    8.c3 Rh8 9.Qg6 Ba5 10.Nf3 Rh6 11.Qg3 Qf7 12.Nh4 g5+=.

    8.Nc3 Ba5 9.Nd5 (better is 9.Nge2= Rh8 (9...Nc6 10.f4 Be6 11.f5 Bc4 12.Qh4 Qf7=; 9...Kd8 10.f4 Be6 11.f5 Bc4 12.Rb1 Nc6=; 9...Be6 10.f4 Rh8 11.Qg6 Nc6 12.f5 Bc4=) 10.Qg6 Be6 11.Ng3 Qf7 12.Nf5 Kf8+=; 9.Nf3 Be6 (9...Qf7 10.Nd5 Ke8 11.Bc3 Bc3 12.Nc3 Bg4=) 10.d4 Bc4 11.Qh4 Nd7 12.de5 de5=; 9.Rb1 Be6 (9...Nc6 10.Nf3 Be6 11.Nd5 Kd8 12.Bc3 Bb6+=) 10.Nd5 Kd8 11.Bc3 Bb6 12.a4 Rh8–/+) 9...Kd7?? (9...Kd8 10.Nf3= c6 11.Ne3 Rh8 12.Qg6 Na6=) 10.Qf5?? (better is 10.Nf6 Qf6 11.Qg8+–) 10...Kd8= 11.Qf3 Be6 12.Qb3 (12.Bc3 Bc3 13.Nc3 Nc6=) 12...b6 13.Ba3? (13.Bc3 Bc3 14.Qc3 Qf7+=) 13...Nd7?? (better is 13...c6–+) 14.Qc4 Rc8 15.Nf3?? (better is 15.Qc6+=) 15...c6–+ 16.Qa6 (16.Qd3 cd5 17.ed5–+) 16...cd5 17.ed5 Bd5 18.0–0 (18.Kd1 Qf7–+) 18...Rc7 (better is 18...Bf3 19.gf3 g6–+) 19.d4 (19.Qe2–+) 19...e4 (better is 19...Bc4 20.Qa5 ba5 21.de5 fe5 22.Rfe1–+) 20.Nd2 (20.Ne5 fe5 21.de5 Ne5–+) 20...Ke7 (20...Bd2 21.Qa4–+) 21.Rfe1 (21.Qb5 Qf7 (21...Bd2?! 22.Qd5 Qe8 23.Bd6 Kd8 24.Bc7 Kc7 25.Qc4 Kb8 26.Rad1+=) 22.Rfd1 Rh8–+) 21...f5 (21...Bd2 22.Re2 Bc3 23.Rb1–+) 22.f3 (22.Qb5 Qf7 (22...Bd2?! 23.Qd5 Bf4 24.f3–+) 23.Re2 Rgc8–+) 22...Nf6 (better is 22...Bd2 23.fe4 Be1 24.ed5–+) 23.fe4 fe4 24.c4 (24.Re2 Qc8 25.Qb5–+) 24...Bc6 (24...Bd2 25.cd5 Be1 26.Re1–+) 25.d5 (25.c5 Kd7 26.cd6–+) 25...Ba8 (better is 25...Bd2 26.Re2 Bb7 27.Qa7 Ba5–+) 26.Ne4= Kd7 (26...Ne4 27.Re4 Kd8 28.Re6=) 27.Qb5 (better is 27.Bd6!? Qd8 28.Nc5 (28.Bc7?! Qc7 29.Rf1 Rh8+/–) 28...bc5 29.Qa5+–) 27...Kc8= 28.Nd6 (28.Bd6 Qe8 29.Nf6 Qb5 30.cb5 gf6 31.Bc7 Be1–/+) 28...Kb8 29.Ne8?? (better is 29.Re6=) 29...Ne8?? (better is 29...Qa3 30.Nc7 Kc7–+) 30.Bf8+– Be1 (30...Nf6 31.Bd6 Be1 32.Bc7 Kc7 33.Re1 Rd8+–) 31.Qe8 Rc8 32.Qe5 (32.Bd6 Kb7 33.Qd7 Ka6 34.Qb5 Kb7 35.Re1 Rce8 36.Re8 Re8 37.Qe8 Ka6 38.Qb5 Kb7 39.Qd7 Ka6 40.Bb8 Bd5 41.Qa7) 32...Rc7 (32...Kb7 33.Re1 a5 34.Qb2 Rc4 35.Rb1+–) 33.Bd6 Rgc8 34.Re1 Bb7 35.Bc7 Rc7 36.Qd6 1–0. bambinik – siculo, internet, 2001.

    8.Nc3 Nc6 A) 9.Nf3+= Kd8 (9...Be6 10.Qg6 Qe8 11.Qg3 Bc5 12.0–0 Kd8+=; 9...Rh8 10.Qg6 Bc3 11.Bc3 Rh6 12.Qg3 Qf7+=) 10.Qg6 Ne7 11.Qg3 Qe8 12.0–0 Bc3–/+; B) 9.Rb1 Rh8 (9...Kd8 10.Qg6 Bc5 11.Nf3 Qe8 12.Qe8 Re8+=; 9...Bc5 10.Nf3 Be6 11.Nd5 Kd7 12.Qg6 Qe8+=; 9...Be6 10.Nd5 Kd8 11.a3 Rh8 12.Qg6 Bc5+=) 10.Qg6 Bc5 11.Nf3 Kd8 12.Nd5 Ne7+=; C) 9.Nd5 Kd8 10.Qg6 Rh8 11.Qg3 Bc5 12.Rb1 Qf7+=; D) 9.a3 Ba5 (9...Bc3 10.Bc3 Rh8 11.Qg6 Qf7 12.Qg3 Rh6=; 9...Bc5 10.Na4 Rh8 11.Qg6 Bd4 12.Ne2 Bb2+=; 9...Rh8 10.Qg6 Bc3 11.Bc3 Qf7 12.Qg3 Rh6=) 10.Nf3 Kd8 11.Qg6 Qe8 12.Qe8 Re8+=.

    8.Nc3 Kd8 9.a3 Bc5 (9...Rh8 10.Qg6 Bc3 11.Bc3 Nc6 12.Nf3 Rh6+=; 9...Bc3 10.Bc3 g5 11.Qh5 g4 12.Qh4 Nc6=; 9...Ba5 10.Rb1 Nc6 11.Nge2 Be6 12.Qg6 Qe8=) 10.Na4 Na6 11.Nc5 Nc5 12.d3 Be6+=.

    8.Nc3 Rh8 9.Qg6 Nc6 (9...Kd8 10.a3 Bc5 11.Nge2 Rh6 12.Qg3 Qf7+=; 9...Rh6 10.Nd5 Kd8 11.Qg3 Bc5 12.Ne2 Nc6=; 9...Bc5 10.Nf3 Rh6 11.Qg3 Kd8 12.Na4 Na6=) 10.Nf3 Bc3 11.Bc3 Rh6 12.Qg3 Qf7+=.

    6.Qh5 Kf8

    7.c3 Ba5=.

    7.Nc3 Na6 A) 8.h4 A1) 8...Bc3 9.Bc3 (9.dc3 Qe8 10.Qh7 Qa4 11.0–0–0 Nc5 12.Ne2 Qa2 13.c4) 9...Rh8 10.Ne2 b5 11.d3 Be6 12.a3 Qd7 13.Qf3; A2) 8...h6 9.Nge2 (9.Nf3 Be6 10.0–0 Bc3 11.Bc3 Nc5 12.Rfe1 Qe8 13.Qe8) 9...Be6 10.a3 Ba5 11.d4 Qe8 12.Qf3 ed4 13.Nd4; A3) 8...Rh8 9.Nf3 (9.Nge2 Be6 10.0–0 Qd7 11.Qf3 Ba5 12.a3 Bb6 13.Nd5) 9...Bc3 10.Bc3 Nc5 11.d3 Be6 12.0–0 Qd7 13.Nh2; B) 8.Nf3 B1) 8...Bc3 9.Bc3 (9.dc3 Qe8 10.Qe8 Ke8 11.Ba3 Be6 12.Ke2 Kd7 13.Ke3) 9...Rh8 10.0–0 Nc5 11.Rfe1 Qe8 12.Qh4 h5 13.h3; B2) 8...Be6 9.Qh7 (9.Nh4 g5 10.Nf5 Bf5 11.ef5 Rg7 12.0–0 Qd7 13.Qg4) 9...Kf7 10.Nh4 Nc5 11.0–0 Rh8 12.Qg6 Kg8 13.Nf5; B3) 8...Rh8 9.0–0 (9.Rd1 Bc3 10.Bc3 Nc5 11.d3 Qe8 12.Qe8 Ke8 13.Bb4) 9...Qe8 10.Qh4 Qg6 11.d3 Bg4 12.Nd2 Kf7 13.Nc4; C) 8.Rb1 C1) 8...Bc3 9.Bc3 (9.dc3 Nc5 10.Ne2 Qd7 11.Ba3 Ne4 12.f3 Qa4 13.fe4) 9...Nc5 10.Qh7 Qe8 11.Bb4 Kf7 12.Qh5 g6 13.Qe2; C2) 8...Nc5 9.Nge2 (9.Nd5 Ba5 10.Nf3 c6 11.Nc3 Bc3 12.Bc3 Ne4 13.Qh7) 9...Be6 10.0–0 Rh8 11.d4 Bc3 12.dc5 Bb2 13.Rb2; C3) 8...Rh8 9.Nf3 (9.Nge2 Be6 10.0–0 Qd7 11.Qh4 Kf7 12.a3 Bc5 13.Rfd1) 9...Bc3 10.Bc3 Nc5 11.d3 Be6 12.a3 Qd7 13.0–0; D) 8.Nge2 D1) 8...Rh8 9.0–0 (9.a3 Ba5 10.0–0 Qe8 11.Qf3 Nc5 12.Qe3 Be6 13.f4) 9...Ba5 10.Ba3 Qe8 11.Qf3 Qc6 12.Rab1 Kf7 13.Qh5; D2) 8...Nc5 9.Nd5 (9.0–0 Be6 10.Qh7 Kf7 11.Qh5 g6 12.Qf3 Qd7 13.d4) 9...Ba5 10.Qh7 Kf7 11.Qh5 g6 12.Qf3 c6 13.Ndc3; D3) 8...Be6 9.Qh7 (9.0–0 Rh8 10.d4 Qe8 11.Qf3 Qg6 12.Rad1 Bg4 13.Qe3) 9...Kf7 10.Qh5 g6 11.Qf3 Bc5 12.0–0 Kg7 13.d4.

    7.Nc3 Bc3 8.Bc3+= (8.dc3 A) 8...Qe8 9.Qh7 (9.Qe8 Ke8 10.Nf3 Be6 11.0–0 Nc6 12.Bc1 Rd8 13.Be3) 9...Qa4 10.0–0–0 Na6 11.f4 ef4 12.Ne2 Bg4 13.Rd4; B) 8...Rh8 9.Qe2 (9.Ne2 Qe8 10.Qe8 Ke8 11.f3 Nc6 12.Kf2 Be6 13.Bc1) 9...Nc6 10.Nf3 Bg4 11.0–0 Qd7 12.h3 Be6 13.Nh4; C) 8...Qd7 9.Qh7 (9.a4 Qg4 10.Qg4 Bg4 11.Nf3 Nd7 12.h3 Bf3 13.gf3) 9...Qa4 10.0–0–0 Na6 11.a3 Nc5 12.Re1 Qb5 13.Ne2) 8...d5?? (better is 8...Rh8+= 9.Nf3 (9.Ne2 Qe8 10.Qe8 Ke8 11.d4 Nc6 12.d5 Ne7 13.f4) 9...Qe8 10.Qe8 Ke8 11.Rb1 b6 12.d4 Bb7 13.d5; 8...h6 9.Ne2 (9.Nf3 Qe8 10.Qh4 Qb5 11.Rc1 Qc4 12.Rb1 Na6 13.a3) 9...Qe8 10.Qe8 Ke8 11.d4 Nc6 12.d5 Ne7 13.Rb1; 8...Nc6 9.Nf3 (9.Ne2 b5 10.a3 Rh8 11.0–0 Be6 12.d4 ed4 13.Nd4) 9...Rh8 10.0–0 Qe8 11.Qh4 Qg6 12.h3 b6 13.d4) 9.Bb4+– Qd6 (9...Qe7 10.Be7 Ke7 11.ed5+–) 10.Bd6 cd6 11.ed5 h6 (11...Rh8 12.Nf3 Bd7 13.d4+–) 12.Nf3 Nd7 (12...Na6 13.Rb1 Nc7 14.c4+–) 13.Nh4 Nb6 14.Ng6 Kf7 (14...Ke8 15.Ne5 Kd8 16.Nf7 Ke7+–) 15.Ne5 Ke7 16.Qf7 (16.Qf7 Kd8 17.Qg8 Kc7 18.Qg7 Bd7 19.Nd7 Nd7 20.Qe7+–) 1–0. pierre – jenny, internet, 2011.

    7.Nc3 Nc6 A) 8.Nf3 A1) 8...Be6 9.0–0 (9.Nd5 Rh8 10.0–0 Qd7 11.h3 Ba5 12.c4 Ne7 13.d4) 9...Rh8 10.Nd5 Qd7 11.h3 Ba5 12.c4 Ne7 13.d4; A2) 8...Bc3 9.Bc3 (9.dc3 Rh8 10.0–0 Be6 11.Nh4 Qe8 12.Qe2 Na5 13.Rfe1) 9...Rh8 10.h3 d5 11.ed5 Qd5 12.0–0 g6 13.Qh6; A3) 8...Rh8 9.Nd5 (9.0–0 Be6 10.Nd5 Qd7 11.Rad1 Bc5 12.Nh4 Bg4 13.Ng6) 9...Be6 10.0–0 Qd7 11.Rad1 Bg4 12.Qh4 Bc5 13.Qg3; B) 8.a3 B1) 8...Bc5 9.Nge2 (9.Nf3 Rh8 10.0–0 Be6 11.Nd5 g6 12.Qh6 Kf7 13.Qh4) 9...Na5 10.d3 Be6 11.0–0 Rh8 12.Na4 Bb6 13.Nb6; B2) 8...Ba5 9.Nf3 (9.Nd5 Ne7 10.Ne7 Qe7 11.Qh7 Be6 12.h4 g6 13.Qh6) 9...Rh8 10.0–0 Be6 11.Nd5 Qd7 12.Ne3 g6 13.Qh6; B3) 8...Bc3 9.Bc3 (9.dc3 Be6 10.Ne2 Rh8 11.0–0 Qe8 12.Qf3 Na5 13.a4) 9...d5 10.Ne2 d4 11.Bb4 Nb4 12.ab4 d3 13.cd3; C) 8.Nge2 C1) 8...h6 9.0–0 (9.a3 Ba5 10.0–0 Be6 11.h3 Rh8 12.Rad1 Kg8 13.Nd5) 9...Be6 10.a3 Ba5 11.d3 Qe8 12.Qf3 Qg6 13.h3; C2) 8...Be6 9.Qh7 (9.a3 Bc5 10.0–0 Rh8 11.Nd5 Ne7 12.d4 Bf7 13.Qf3) 9...Kf7 10.Qh5 g6 11.Qf3 Bc3 12.Bc3 d5 13.0–0; C3) 8...Rh8 9.0–0 (9.a3 Ba5 10.0–0 Be6 11.d3 Qd7 12.h3 g6 13.Qh6) 9...Be6 10.a3 Ba5 11.d3 Qd7 12.h3 g6 13.Qh6; D) 8.Nd5 D1) 8...Rh8 9.Nf3 (9.Rd1 Be6 10.Nf3 a5 11.0–0 Ne7 12.a3 Bf7 13.Qg4) 9...Be6 10.0–0 Qd7 11.Qh4 Qf7 12.c3 Ba5 13.c4; D2) 8...Bc5 9.Nf3 (9.Ne2 Rh8 10.0–0 Be6 11.Bc3 Ne7 12.d4 Bf7 13.Qf3) 9...Ne7 10.0–0 Nd5 11.ed5 Qd7 12.Qh7 Qb5 13.Rab1; D3) 8...Be6 9.Nf3 (9.Qh7 Kf7 10.Qh5 g6 11.Qf3 Bc5 12.Ne2 Nb4 13.0–0) 9...Rh8 10.0–0 Qd7 11.h3 Ba5 12.c4 Ne7 13.d4.

    7.Nc3 Be6 A) 8.a3 A1) 8...Ba5 9.Nf3 (9.Nge2 Rh8 10.0–0 Nc6 11.d3 Qd7 12.h3 g6 13.Qh6) 9...Nc6 10.0–0 Rh8 11.h3 Qe8 12.Qh4 Qf7 13.d3; A2) 8...Bc3 9.Bc3 (9.dc3 Rh8 10.Nf3 Qe8 11.Qe8 Ke8 12.Bc1 Nc6 13.Be3) 9...Nd7 10.Nf3 Rh8 11.d4 Bc4 12.0–0–0 Qe7 13.de5; A3) 8...Bc5 9.Nf3 (9.Nge2 Rh8 10.0–0 Nc6 11.Nd5 Kg8 12.h3 Qd7 13.Ng3) 9...Nc6 10.0–0 Rh8 11.Nd5 g6 12.Qh6 Kf7 13.Qh4; B) 8.Nd5 B1) 8...Bd5 9.ed5 c6 10.Nf3 cd5 11.0–0 Nc6 12.c3 Bc5 13.d4; B2) 8...Bc5 9.Nf3 (9.Ne2 Rh8 10.0–0 Nc6 11.Bc3 Qd7 12.Rfe1 a5 13.Ng3) 9...Nc6 10.Qh7 Ne7 11.d4 ed4 12.Nf4 Bc4 13.Bd4; B3) 8...Na6 9.Nf3 (9.a3 Ba5 10.Nf3 c6 11.Ne3 Rh8 12.0–0 Nc5 13.d3) 9...c6 10.Ne3 Rh8 11.0–0 Nc5 12.a3 Ba5 13.d3; C) 8.Nge2 C1) 8...h6 9.0–0 (9.a3 Ba5 10.0–0 Nc6 11.h3 Rh8 12.Rad1 Kg8 13.Nd5) 9...Nc6 10.a3 Ba5 11.h3 Rh8 12.Rad1 Kg8 13.Nd5; C2) 8...Nd7 9.a3 (9.0–0 h6 10.d4 Qe8 11.Qf3 ed4 12.Nd4 Ne5 13.Qf4) 9...Bc3 10.Nc3 Rh8 11.0–0 Nc5 12.f4 Kg8 13.f5; C3) 8...Rh8 9.a3 (9.0–0 Nc6 10.d3 Qd7 11.h3 Qf7 12.Qf3 g6 13.a3) 9...Ba5 10.0–0 Nc6 11.d3 Qd7 12.h3 g6 13.Qh6; D) 8.Nf3 D1) 8...Rh8 9.0–0 (9.Nd5 Nc6 10.0–0 Qd7 11.Rfd1 Re8 12.h3 Ba5 13.c4) 9...Nc6 10.Nd5 Qd7 11.Qh4 Qf7 12.c4 h5 13.h3; D2) 8...Bc5 9.Qh7 (9.0–0 Rh8 10.Nd5 Nc6 11.Nh4 Kg8 12.Bc3 Bd4 13.Rab1) 9...Nc6 10.Nd5 Ne7 11.d4 ed4 12.Nf4 Bc4 13.Bd4; D3) 8...Nc6 9.0–0 (9.Nd5 Rh8 10.0–0 Qd7 11.Rfd1 Bg4 12.Qh4 Bc5 13.Qg3) 9...Rh8 10.Nd5 Qd7 11.h3 Ba5 12.c4 Qf7 13.Qh4.

    7.Nc3 Rh8 A) 8.Nf3 A1) 8...Na6 9.0–0 (9.a3 Bc3 10.Bc3 Nc5 11.d3 Qe8 12.Qe8 Ke8 13.Rb1) 9...Qe8 10.Qh4 Qg6 11.d3 Bg4 12.Qg3 Be6 13.Nd5; A2) 8...Qe8 9.Qe8 (9.Qh4 Qg6 10.0–0 Na6 11.d3 Bg4 12.Nd2 Kf7 13.Nc4) 9...Ke8 10.Nd5 Na6 11.Ke2 Be6 12.Rab1 Kd7 13.Ba1; A3) 8...Bc3 9.Bc3 (9.dc3 Qe8 10.Qe8 Ke8 11.Ke2 Be6 12.Kd3 Kf7 13.Bc1) 9...Qe8 10.Qe8 Ke8 11.Ke2 Nc6 12.Rhb1 Kf7 13.d4; B) 8.Rb1 B1) 8...Nd7 9.Nd5 (9.Qe2 Nc5 10.Nf3 f5 11.Nd5 fe4 12.Nb4 a5 13.Nd5) 9...Ba5 10.Bc3 c6 11.Nf4 ef4 12.Qa5 Qa5 13.Ba5; B2) 8...Nc6 9.Nf3 (9.Nd5 Be6 10.Nf3 Qd7 11.h3 Bc5 12.0–0 Qf7 13.Qf7) 9...Be6 10.0–0 Qd7 11.a3 Ba5 12.Qh4 Qf7 13.h3; B3) 8...Na6 9.Nf3 (9.Nge2 Be6 10.a3 Bc5 11.0–0 Qe8 12.Qf3 Qg6 13.Nd5) 9...Bc3 10.Bc3 Nc5 11.d3 Be6 12.a3 Qd7 13.0–0; C) 8.Qh4 C1) 8...h5 9.a3 (9.Nge2 Nc6 10.Nd5 Rh6 11.c3 Bc5 12.d4 Bb6 13.0–0) 9...Bc5 10.Nge2 Nc6 11.Nd5 Ne7 12.Nec3 c6 13.Ne7; C2) 8...Qe8 9.Nge2 (9.Nf3 Qg6 10.0–0 Bg4 11.Qg3 Nc6 12.Nh4 Qg5 13.Nd5) 9...Nc6 10.0–0 Qf7 11.a3 Ba5 12.f4 Be6 13.f5; C3) 8...Na6 9.Nge2 (9.Nf3 h5 10.Qg3 Nc5 11.Nh4 Rh6 12.Qe3 Qd7 13.f3) 9...Bc5 10.0–0 Be6 11.a3 c6 12.Rfd1 Qb6 13.Na4; D) 8.Nge2–/+ D1) 8...Be6 9.0–0 (9.a3 Ba5 10.0–0 Nc6 11.d3 Qd7 12.h3 g6 13.Qh6) 9...Nc6 10.a3 Ba5 11.d3 Qd7 12.h3 g6 13.Qh6; D2) 8...Na6 9.0–0 (9.a3 Ba5 10.0–0 Qe8 11.Qh4 Nc5 12.f4 Kg8 13.fe5) 9...Qe8 10.Qf3 Be6 11.d4 Qg6 12.Qd3 Kg8 13.f3; D3) 8...Nc6 9.Nd5 (9.Rd1 Bc3 10.Bc3 Qe7 11.Ra1 Qf7 12.Qf3 Be6 13.0–0) 9...Be6 10.Bc3 Bc3 11.Nec3 Nd4 12.0–0 b5 13.Rab1.

    7.Nf3 Be6 8.Nc3 (8.c3 Ba5=) 8...Bf7 (8...Rh8!?–/+) 9.Qh7= c6 10.0–0 d5 11.a3 (11.d4 Qa5 12.Ne2 de4 13.Qe4 Qd5+=) 11...Bc3= 12.Bc3 c5 (12...d4 13.Bb2=) 13.ed5+= Qd5 14.Rae1 Nc6 15.Re3 (15.Nh4 g5 16.Nf5 Ke8+=) 15...Nd4= 16.Rb1 b6 17.h3 Qe6 (better is 17...Ke7=) 18.Nd4+/– White fights for the Initiative 18...cd4 19.Bd4! Rd8 (19...ed4 Exploits the pin 20.Re6 Annihilates a defender: e6) 20.Bc3+– Qa2 (20...Qc4 21.d4 ed4 22.Bb4 Qb4 23.ab4 de3 24.fe3+–) 21.Ra1 Qd5 (21...Qc4 22.d4! ed4 23.Bb4 Qb4 24.ab4 de3 25.fe3+–) 22.d4! Re8?? (22...Qd4 23.Bd4) 23.Bb4 Re7 24.de5 fe5 (24...Ke8 25.Be7 Ke7 26.e6 Qe6 27.Re6 Be6 28.Re1+–) 25.Rae1 e4 (25...Ke8 26.Be7 e4+–) 26.Re4 (26.Re4 a5 27.Be7 Ke8 28.Rd4+–) 1–0. pierre – Kasparovsky, internet, 2008.

    7.Nf3 Rh8 8.a3 Ba5 9.0–0–/+.

    7.Qh7 Be6 8.c3 Ba5 9.Nf3 Nc6 10.0–0 Qe7 11.d4 ed4 12.cd4 Bf7 (12...Bc4 13.Rc1 Bd3 14.Nfd2=) 13.Bc3 Bb6 14.Nbd2 Re8 (14...Ke8 15.Rfc1+=) 15.d5 (15.a4 Na5+/–) 15...Ne5 16.Ne5 de5 (16...fe5 17.Nc4 Qg5 18.Bd2+/–) 17.Rab1 Bc5? (better is 17...Rb8 18.Bb4 Bc5 19.Bc5 Qc5+–) 18.Rb7+– Qd7 (18...Rc8 19.Qh3 Qd8 20.Rc1+–) 19.Rc1 Bb6 (19...Qc8 20.Rb5 Bd6+–) 20.Bb4 Re7 21.Rb8 Be8 22.Be7 Qe7 23.Rc6 Kf7 24.Re6 Qd7 25.Qf5 Bc5 (25...Bf2 26.Kf2 Qe6 27.Qe6 Kg6 28.Qg8 Bd7 29.Rf8 Kh6 30.Qh8 Kg6 31.Rg8 Kg5 32.Qg7 Kf4 33.Qg3) 26.Nf3 Bd6 (26...Bf2 27.Kh1 Qc8 28.Ne5 Kf8 29.Rc8 Rh8 30.Ree8) 27.Ng5 Kf8 28.Rf6! gf6 (28...gf6 29.Qf6 Mate attack) 29.Qf6 1–0. fryckh – jaqufe, internet, 2017.

    6.Qh5 g6

    7.Qh7 Be6 8.Nc3+=.

    7.Qh7 Be6 8.Ne2 Nc6 (8...d5 A) 9.f4 de4 (9...Qd7 10.Qd7 Nd7 11.a3 Bd6 12.Nbc3 c6 13.fe5 Be5+=) 10.fe5 fe5 11.Be5 Nd7 12.Bd4 Qg5 13.Nbc3 0–0–0–/+; B) 9.a3 Be7 10.d4 Nd7 11.Nd2 de4 12.de5 e3 13.fe3 fe5+=) 9.a3 (9.0–0 A) 9...Qd7 10.Qh4 (10.Qd7 Kd7 11.a3 Bc5 12.Nbc3 a6 13.d3 b5–/+) 10...f5 11.c3 Ba5 12.d4 Bc4 13.Re1 Qf7+=; B) 9...f5 10.Nbc3 (10.a3 Ba5 11.Nbc3 Qf6 12.Qh3 Rh8 13.Qg3 0–0–0–/+) 10...Qd7 11.Qd7 Kd7 12.Rfb1 Bc5 13.d3 a6–/+; 9.f4 Bc5 10.Nbc3 Bf7 11.a3 a6 12.Nd5 f5 13.c4 Rb8+=; 9.Nbc3 A) 9...d5 10.ed5 (10.a3 Bc3 11.Nc3 d4 12.Nb5 Bf7 13.a4 Nb4–/+) 10...Bd5 11.f4 Be6 12.fe5 Ne5 13.Ne4 f5=; B) 9...Bc3 10.Nc3 (10.Bc3 f5 11.d3 fe4 12.de4 Qg5 13.Qc7 Qg2–/+) 10...Qd7 11.Qd7 Kd7 12.a3 Rh8 13.d3 Rh4+=) 9...Ba5 (9...Bc5 10.Nbc3 f5 11.Rb1 Qd7 12.Qd7 Kd7 13.h4 a6+=) 10.Nbc3 Qe7 (10...Bb6 11.Nd5 f5 12.c4 Qg5 13.Nb6 ab6+=) 11.Qe7 Ne7 12.f4 0–0–0 (12...Rh8 13.fe5 de5+=) 13.0–0 (13.h3 g5+=) 13...Bc4 (13...Bb6+=) 14.d3 Ba6 (14...Be6!?=) 15.fe5+= fe5 16.Rf7 Nc6 17.Nd5 g5 (17...Rgf8 18.Raf1 Rf7 19.Rf7+=) 18.Raf1+/– g4 19.Bc1 g3? (better is 19...Bb5!? 20.Nec3 Bc3 21.Nc3 Nd4+/–) 20.Ng3+– Bb6 21.Be3 Be3 22.Ne3 Nd4 (22...Kb8 23.Nd5 Rc8 24.Nf5+–) 23.Nd5 Rde8 (23...Kb8 24.Nc7 Bb5 25.Nb5 Nb5 26.Rb1+–) 24.Nf5 (24.Nc7 Ref8+–) 24...Nc2 (24...Nf5 25.R1f5 c5+–) 25.Nc7 (worse is 25.Rc7 Kb8 26.Rc2 Bd3+–) 25...Ref8 (25...Rd8 26.Na6 Rd7 27.Ne7 Re7 28.Re7 ba6 29.Ra7 Kb8 30.Ra6 Ne3+–) 26.Nd6 Kd8 (26...Kb8 27.Na6 ba6 28.Rf8 Rf8 29.Rf8 Kc7+–) 27.Ne6 1–0. pierre – rambo5, internet, 2008.

    7.Qh7 Be6 8.Nf3 Nd7 9.Bc3 Bc5 10.d4 Bb6 11.Nbd2 c5 (11...f5 12.de5 de5 13.ef5 (13.Ne5 Ne5 14.ef5 gf5 15.Be5 Bf2 16.Kd1 Be3 17.Qh5 Kf8–+) 13...gf5 14.Qh5 Ke7 15.0–0=) 12.d5= Bf7 13.Nc4 Bc7 14.Bd2 Qe7 15.Rb1 0–0–0 16.Qh4 g5 17.Qg4 Rh8 18.Ba5 Kb8 19.Bc7 Kc7 20.h3 Bh5 21.Qg3 Qh7 22.Nfd2 Rhg8 (22...Bg6 23.0–0 Ra8+= (23...Be4?? 24.Ne4 Nb6 25.Nf6+–)) 23.Qb3+– Rb8 24.Qb5 Be8? (better is 24...a6 25.Qa5 b6 26.Qa6 Bg6 27.Qa7 Rb7+–) 25.Qa5 Kc8 (25...b6 26.Qa7 Rb7+–) 26.Nd6 1–0. marekt – luiswill, internet, 2012.

    7.Qh7 Rf8 8.Qg6 Rf7 9.Nc3 Nd7 10.Nf3 Nf8 11.Qh5 Be6 12.Nd5 Bc5 (12...Ba5 13.h4+/–) 13.d4 Bb6 14.de5 (14.Nb6!? ab6 15.d5+/–) 14...de5 15.0–0–0 Bd7?? (better is 15...c6 16.Nf4! Qe7 17.Ne6 Qe6+/–) 16.Be5!+– (16.Nb6?! ab6 17.Be5 Qe7+/–) 16...fe5 (16...Nh7+–) 17.Ne5 Be6 18.Nb6 Qe7 19.Na8 (19.Na8 Qa3 20.Kd2 Qa5 21.Ke3 Qc5 22.Rd4+–) 1–0. Speedy – Macho, internet, 2017.

    7.Qh7 Rf8 8.Qg6 Rf7 9.Nf3 Qe7 10.0–0 Be6 11.Qg8 Rf8 12.Qg6 Bf7 13.Qh6 Nd7 14.h4 0–0–0 15.Qh7 Nc5 16.Qh6 Ne4 17.Qe3 Nc5 18.a3 Ba5 19.d4 Ne6 20.de5 Bb6 21.Qc3 de5 22.a4 Kb8 23.a5 Bc5 24.Ba3 Ba3 25.Ra3 e4 26.Nfd2 f5 27.Rb3 Nc5 28.Rb5 Na4 29.Qb3 Bb3 30.cb3 Nb2 31.a6 b6 32.Nc3 Nd3 33.Nc4 Qh4 34.g3 Qg5 35.Ne5 Ne5 36.Nd5 c6 0–1. Nautiluschess – ronnieg, ICS blitz, 2001.

    5.Qh5 g6

    6.Qd1 Ne7 (6...Nc6 7.c3 Ba5 8.Nf3 Bb6+=; 6...Nd7 7.c3 Ba5 8.Nf3 f5+=; 6...Bc5 7.Nf3 Nd7 8.0–0 Nb6+=; 6...Qe7 7.a3 Bc5 8.Nc3 c6+=) 7.c3 Ba5 8.Qb3 Nd7–/+.

    6.Qe2 Nc6 (6...Bc5 7.Nc3 c6 8.Na4 b5+=) 7.Nf3 Bc5 8.Nc3 a6+=.

    6.Qf3 Nc6 7.a3 Bc5–/+ 8.Ne2 (8.Nc3 Nd4–/+) 8...f5 (8...Nh6 9.0–0–/+) 9.Nbc3 (9.ef5 Qf6+= (worse is 9...Bf5 10.g4+=; 9...gf5?? 10.Qh5 Kd7 11.Qf5 Ke8 12.Qf7)) 9...Nf6–/+ 10.ef5 (10.0–0 Rf8–/+) 10...Bf5 11.Na4 Bb6 (11...Be4 12.Qh3–/+) 12.0–0 (12.Nb6 ab6 13.d3 Qe7–/+) 12...Bc2–/+ 13.Nb6 ab6 14.d4 Be4 15.Qc3 (15.Qg3 Qe7–/+) 15...Qe7 16.de5 de5 (16...Ne5 17.Rac1–/+) 17.Rfd1 Bf5 (17...Ra5 18.Qb3–/+) 18.Rac1 Rf8 19.a4 (19.Ng3!?+=) 19...Ra4–/+ 20.Bb5 Ra5 (20...Ra2 21.Ng3 Bd7 22.Ra1 Ra1 23.Ra1–/+) 21.Bc6 bc6 22.Qc6 Kf7 23.Qc7 Qc7 24.Rc7 Kg8 25.Nc3 (25.Ng3 Rb5 26.Nf5 gf5–/+ (26...Rb2?! 27.Nh6 Kh8 28.Nf7 Kg7 29.Ne5 Kg8 30.f4=)) 25...Rb8 (25...Rf7 26.Rc6 Nd7 27.Rcd6–/+) 26.f3 Rc5 (26...h5 27.Kf2–/+) 27.Re7 (27.Ra7 b5+=) 27...Kf8–/+ 28.Ra7 Ra5 29.Rc7 (29.Ba3 Kg8 30.Ra5 ba5+=) 29...g5 (29...h5 30.Bc1+=) 30.Rc6 Ke7 (30...Ne8 31.Ne4=) 31.g4= Bc2 32.Rd2 (32.Rdd6 Ne8 33.Nd5 Kf8 34.Be5 Bb3 35.Rf6 Nf6 36.Rf6 Ke8 37.Re6 Kd7 38.Rd6 Ke8 39.Nf6 Ke7 40.Rd7 Ke6 41.Bb8 Kf6 42.Rh7 Bd5=) 32...Bg6 (32...Bb3 33.Rc7 Ke6 34.Rc6 Kf7 35.Rdd6=) 33.Rdd6= Ne8 34.Nd5 Kf8 35.Rd7 Bf7 36.Nf6 Bg8 (36...Bg6 37.Nh7 Bh7 38.Rh7+=) 37.Bc3 Rb5 38.Nh7 (38.Ng8 Kg8 39.Re6 Rc8 40.Be5 Rbc5+/–) 38...Bh7+= 39.Rh7 Ra8 (39...Rd8 40.Rh5 Rd6 41.Rc8 Rd1 42.Kg2+–) 40.Kf2 (40.Kg2 Ra3+/–) 40...Ra2 41.Kg3 Rb1 42.Rg6 Rc2 43.Be5 Rg1 44.Kh3 Rf1 (44...Rf2 45.Rg5 Rf3 46.Kh4+–) 45.Rb6 Rf3 46.Bg3 Rf6 47.Rb5 Rg6 (47...Kg8 48.Rh5+–) 48.Rh5 Nf6 49.Rbg5 (49.Rhg5?! Rh6 50.Rh5 Nh5 51.Rh5 Re6+=) 49...Kf7 (49...Rg5 50.Rg5 Ne4 51.Rf5 Kg7 52.Kh4+–) 50.Rf5 Kg8 51.Rh4 (51.Rhg5 Kh7 52.Rg6 Kg6+–) 51...Nh7 (51...Re2 52.Bf4+–) 52.Be5 Ng5 53.Kg3 Nf7 54.Rhh5 Ne5 55.Re5 Rc3 56.Kh4 Rc2 (56...Rd6 57.Reg5 Kf7 58.Rh7 Ke6 59.Rg6 Kd5 60.Rd6 Kd6 61.Kg5+–) 57.h3 Rc7 58.Rhg5 (58.Re3 Kg7+–) 58...Kh7 59.Rg6 Kg6 60.Re6 (60.Re6 Kf7 61.Rd6+–) 1–0. Reinhart,Kenneth M (2470) – Aymard,Michel (2010), corr ICCF WSTT/3/06/3, 2006.

    6.Qf3 Nc6 7.Qb3 Nge7–/+ (7...Nh6 8.Nf3 Bc5–/+) 8.Nf3 Bc5–/+.

    6.Qf3 Nc6 7.Qb3 Nh6 8.Nf3 Qe7 (8...Bc5 9.Ba3–/+) 9.0–0 Bc5 10.Nc3 b6 (better is 10...a6+=) 11.Bb5+/– Bd7? (better is 11...Qd7 12.Nd5 Rf8+/–) 12.Qd5+– 0–0–0 (12...Qf7 13.Bc6 Qd5 14.ed5 (14.Nd5?! Bc6 15.Nc7 Kd7 16.Na8 Be4+=; 14.Bd5?! c6+–) 14...Bc6 15.dc6+–) 13.Bc6 Rdf8 14.Bd7 Kd7 15.Qb7 f5 16.Nd5 Qd8 17.d4 fe4 18.Ne5! (worse is 18.dc5 ef3 19.Rfd1 Qc8 20.c6 Ke6 21.Nc7 Kf5+–) 18...de5 19.dc5 Nf7 (19...Qb8 20.c6 Kd6+–) 20.Rad1 Ke8 (20...bc5 21.Nc7 Ke7 22.Rd8 Rd8 23.Nd5 Ke6+–) 21.Qc6 1–0. marekt – luiswill, internet, 2012.

    6.Qh4 a6 7.c3 Ba5 8.Nf3 h5+=.

    6.Qh4 Bc5 7.Nc3 Nc6 8.Na4 Bb4+=.

    6.Qh4 Nc6 7.Nc3 f5 8.Qd8 Kd8–/+.

    6.Qh4 Bd7 7.c3 Ba5 8.Nf3 Qe7+=.

    6.Qh4 f5 7.Qd8 Kd8–/+ 8.f4 Nd7 9.ef5 gf5 10.Nf3 Ngf6 11.fe5 de5 12.0–0 e4 13.Ng5+= Ke7 14.c3?? Bc5–+ 15.Kh1 Ne5 16.Bb3 Nd3 17.Ba3 Ba3 18.Na3 h6 19.Nh3 Be6 20.Nf4 Bb3 21.Nd3 ed3 22.ab3 Ke6 23.Rae1 Ne4 24.Nc4 Rad8 25.Re3 Rhf8 26.g3 b5=+ 27.Na3 a6–/+ 28.c4 b4 29.Nb1 c5 30.Rf4 Ke5 31.Rff3 Rd4 32.Rd3?? Rfd8 33.Rde3–/+ Kf6 34.g4 Nd2 35.Rf5+/– Kg6 36.Nd2 Rd2 37.Re6 Kg7 38.Re7 Kg6 39.Re6 Kg7 40.Ref6 Re8 41.Rf2 Rd1 42.Kg2= Ree1 43.Ra6 Rg1 44.Kh3 Rd3 45.Kh4 Rb3 46.Rd2 Rc3?? 47.Rd7 Kf8 48.Ra8 1–0. orangutanb4 (1940) – altctrldel (1815), kurnik, 2011.

    6.Qh4 Qe7

    7.c3 Ba5 8.Nf3 f5+=.

    7.Nc3 Be6 8.Nd5 c6?? 9.Ne7+– (9.Ne7 Bc4 10.Ng6 hg6 11.Qh8+–) 1–0. bratek55 (1635) – 0smogs0 (1625), kurnik, 2011.

    7.Ne2 Be6 8.Bb3 Bb3 9.ab3 Qe6 10.0–0 Ne7 11.f4 0–0 12.fe5 de5 13.d4 Nd7 14.d5 Qd6 15.Na3 Bc5 16.Kh1 Nb6 17.Nb5 Qd7 18.c4 a6 19.Nbc3 Qd6 20.Na4 Na4 21.ba4 Rf7 22.Ng3 Raf8 23.Rf3 c6 24.Raf1 cd5 25.cd5 b5 26.ab5 ab5 27.Qg4 b4 28.Nh5? Kh8 29.Ng3=+ Kg7 30.h4 b3 31.h5 Bd4 32.Bd4 ed4 33.hg6 Ng6?? 34.Nf5+– Kg8 35.Nd6 1–0. nizinna – mateicristian, kurnik, 2011.

    7.Ne2 Be6 8.Be6 Qe6 9.Nbc3 Bc3 10.Nc3 Nc6 11.0–0 Nge7 12.f4 0–0–0 13.fe5 fe5 14.Rf6 Qg8 15.Raf1 h6 16.Nd5 b6 17.Ne7 Ne7 18.d4 g5 19.Qg4= Kb8 20.de5 de5 21.Be5 Ng6 22.Bc3 Qc4 23.Qf3 Nf4 24.g3?? Ne2–+ 25.Kg2 Nc3 26.e5 Qd5 27.e6 Qf3 28.R1f3 Nd5 29.Rg6 Rde8 30.Rf7 Re7 31.c4 Rf7?? 32.ef7= Ne7 33.c5?? Ng6–+ 34.c6 Rf8 35.h4 gh4 36.gh4 Rf7 37.h5 Ne5 38.Kg3 Nc6 (38...Nc6 39.Kh3 Rf5–+) 0–1. bratek55 (1625) – omonstro (1660), kurnik, 2011.

    7.f4 Be6 8.Be6 Qe6 9.f5 (9.Ne2!?–/+) 9...gf5 10.ef5 Qf5?? allows the opponent back into the game (better is 10...Qd5 Black missed this excellent chance 11.Nf3 Ba5–/+) 11.Qb4+= White wins a piece 11...Nd7 12.d3 (12.Na3 a5 13.Qc4 Nc5+/–) 12...Ne7 13.Nd2 (13.Nc3 Rg8 14.Nd1 Nb6+/– (14...Rg2?? that pawn is deadly bait and will cause Black grave problems 15.Qb7 c6 16.Qa8 Kf7 17.Qa7 Rc2 18.Qa4 Qd3 19.Qb3 Qb3 20.ab3+–)) 13...Nc5 14.Qh4 (14.Ba3 Qg6 15.g3 Nc6+/–) 14...Rg8 (14...Nd5 15.g4 Qd7 16.Qh5 Ke7 17.g5=) 15.0–0–0 (15.g3 0–0–0+=) 15...Nd5 (15...Rg2 16.Rf1 Qg5 17.Ngf3=) 16.Ne2 (16.Rf1!? Qd7 17.g3+=) 16...Ne3 Black threatens to win material: Ne3xd1 17.Ng3 White threatens to win material: Ng3xf5 17...Qf2?? (17...Qg6 18.Rdg1=) 18.Rdf1 (better is 18.Qh5 and White takes home the point 18...Kd7 19.Rde1+–) 18...Nf1+= Black has a mate threat (18...Qg2? is no good 19.Re1 Nd3 20.cd3 Qc6 21.Nc4 Nc4 22.Qc4 Qc4 23.dc4+–) 19.Rf1 Qg2 20.Qf6 White has a king attack. White inhibits 0–0–0. 20...Kd7 Black loses the right to castle 21.Qh6 White threatens to win material: Qh6xh7 21...Kc6 (21...Rad8 22.Nf5 Rgf8+=) 22.Be5+= (22.Qh7 Worse is 22...Rh8 23.Qf7 Rh2 24.Qf3 Qf3 25.Rf3 Na4–/+) 22...Qd5 (22...b6+=) 23.Nc4 White has an active position (better is 23.Bb2!? Rae8 24.Kb1+/–) 23...Rae8 (23...b5 24.Nf5 Rae8 25.Bd6 bc4 26.Ne7 Re7 27.Be7 Kb7 28.Qf4=) 24.Bb2 b5 25.Na5 Kb6 Black threatens to win material: Kb6xa5 26.Nb3 Na4 A beautiful square! 27.Qd2 (27.Bd4 c5 28.Be3 Qe6 29.Qe6 Re6=) 27...a6 (27...Nb2!? 28.Kb2 Rgf8=) 28.Ne4+= Ref8 (28...Rc8+=) 29.Re1 (better is 29.Nf6 Qe6 30.Bd4 Kb7 31.Na5 Kc8 32.Re1 Rf6 33.Re6 Re6 34.Qf2+/–) 29...Rf5?? hands over the advantage to the opponent (better is 29...Nb2 was much better 30.Kb2 Kb7=) 30.Nf6 Rf6 31.Bf6 (31.Qe3 Kb7 32.Bf6 h5+–) 31...Rg2? (31...Kb7 32.Qh6 Qf7 33.Qh4+–) 32.Qe3 (better is 32.Qh6 and White can already relax 32...a5 33.Qh3+–) 32...Kb7 (32...Nc5+–) 33.Qe4 (33.Na5 Kb8 34.Qe8 Ka7 35.Bd4 Nb6 36.Qc8 Rc2 37.Kc2 Qa2 38.Kd1 Qa1 39.Ke2 Qa2 40.Kf1 Qf7 41.Kg1 Qg8 42.Qg8 c5 43.Re7 Nd7 44.Rd7 Kb6 45.Qd8) 33...Qe4+/– 34.Re4 (34.de4 Rh2 35.e5 de5 36.Be5 Rh5+/–) 34...Rh2+= 35.Rh4 Rh4 36.Bh4 White wins a piece 36...Kc6 37.Kd2 Kd5 38.Ke3 Nc3 39.Nc1 h5 (39...Ke5!?+= is noteworthy) 40.Bf6 Na4 41.Nb3 (41.Ne2 Ke6 42.Bd8 c6+/–) 41...c5 (41...Ke6 42.Ba1+/–) 42.Na5 (42.Kf4 Ke6 43.Bh8 Nb6+/–) 42...Nb6 Black intends c4 43.Bg5 c4 Black gains space (43...Ke6+=) 44.d4 (better is 44.dc4!? Nc4 45.Nc4 Kc4 46.Bf6+=) 44...Na4= 45.Nb7 Nc3 Black threatens to win material: Nc3xa2 46.Bf4 White threatens to win material: Bf4xd6 46...Na2 47.Nd6 (47.Bd6 Kc6 48.Ke4 Kb7–+) 47...b4 48.Nf5?? White lets it slip away (better is 48.Ne8 and White can hope to survive 48...b3 49.Nc7 Kc6 50.d5 (50.Na6?? White will not be able to digest the pawn 50...b2–+) 50...Kd7 51.cb3 cb3 52.Na8=) 48...b3–/+ 49.cb3 cb3 50.Kd3 Nb4 51.Kc3 Ke4 Black threatens to win material: Ke4xf4 (51...b2 52.Kb2 Nd3 53.Kc2 Nf4 54.Kc3–/+) 52.Bd6? (better is 52.Ng3!? and White hangs on 52...Kf4 53.Nh5 Ke4 54.Kb3= (54.Kb4?? capturing the knight loses 54...b2 55.Kc5 b1Q 56.Nf6 Kf5–+)) 52...Nd5–/+ (52...Kf5?! 53.Bb4 Ke6 54.Kb3=) 53.Kb3 Kf5 ½–½. Nemeth,Laszlo (2005) – Janvari,Andras (2035), HUN–chT2 Erkel, 2003.

    7.Qg3 a5–/+.

    4...Be7

    5.c3 a6 6.d4 ed4 7.Nf3 (7.cd4 Bb4 8.Bc3 Qe7 9.Bb4 Qb4 10.Nd2 Ne7=) 7...Nc6 (7...dc3 8.Nc3 Nh6 9.Qd5+=) 8.cd4 Bb4 9.Nc3 d6 (9...f5 10.Qb3 fe4 11.Bg8+=) 10.Qb3 Bc3 (10...Nh6 11.0–0=) 11.Bc3+= Na5?? (better is 11...Nge7+=) 12.Ba5+– (12.Ba5 Ne7 13.Bf7 Kf8 14.0–0+–) 1–0. Janek – Nicolas, internet, 2016.

    5.c3 c5 6.Nf3+= b6 (6...Nc6 7.0–0=) 7.0–0 (7.d4 ed4 8.cd4 Nh6+/–) 7...Ba6+= 8.Na3 Bc4 9.Nc4 b5 (9...Qc7 10.Ne3 Nh6 11.Nd5+=) 10.Ne3 a5 (10...Nc6!?+/–) 11.d4+– cd4 (11...ed4 12.cd4 Nh6 13.dc5+–) 12.cd4 ed4 13.Nd4 (better is 13.Nf5 Kf8 14.N3d4+–) 13...Qb6? (13...Nc6 14.Ndf5 g6 15.Ne7 Qe7 16.Nd5+–) 14.Nef5 (14.Ndf5 Kf8 15.Rc1 Na6+–) 14...Kf8? (14...g6 15.Rc1 Na6+–) 15.Rc1 (better is 15.Ng7 Nh6 16.Ndf5 Nf5 17.Nf5+–) 15...Nc6 (15...Na6 16.Ng7! Nh6 17.Ngf5 Nf5 18.Nf5+– (18.ef5?! Rg8+–)) 16.Ng7! Kg7 (16...Nd4 17.Bd4 Qa6+–) 17.Nf5 Kf8 (17...Kf7 18.Qh5 Kf8 19.Qg4+–) 18.Qg4 Ne5 (18...Ke8 19.Qg7 Bf8 20.Qh8 Nce7+–) 19.Qg7 Ke8 20.Qh8 Kf7 21.Qg7 Ke6 22.Nd4 Kd6 23.Rfd1 1–0. guestkpqe – guestsubm, internet free game, 2018.

    5.c3 c6!? 6.Qb3 d5 7.ed5 b5+=.

    5.Nf3 c6 6.Nc3 b5 7.Bb3 a5 8.a3 a4 9.Ba2 Ba6 10.Nh4 g6 11.Nf5 Bf8 12.Ne3 Bh6 13.Qf3 Be3 14.Qe3 d6 15.0–0 b4 16.Ne2 ba3 17.Ba3 Be2 18.Qe2 Ne7 19.Rab1 c5 20.Rb7 Nbc6 21.Rfb1 Rb8 (better is 21...Nd4!? 22.Qd3 f5+=) 22.Rb8 Nb8 23.Rb7 Nec6?? (better is 23...Qc8 24.Qb5 Nbc6+/–) 24.Qc4+– Rf8 (24...Qd7 25.Rd7 Nd7 26.Qe6 Kd8 27.Qd6 Nd4 28.Bc5 h5+–) 25.Qe6 Ne7 26.Bd5 Nbc6 27.Bc6 1–0. michaelbuss – Mark L 2002, ChessWorld.net, 2009.

    5.Nf3 Nc6 6.0–0+=.

    5.Nf3 d6 6.Nc3 (6.Nh4 Nh6 7.Nc3 Nc6+=) 6...c5 (6...f5 7.0–0+=) 7.0–0 (7.h3 Nc6+/–) 7...Nc6 8.Re1 (8.Nd5 f5 9.ef5 Bf5+=) 8...h5 (8...Nh6!?+=) 9.Nh4+/– g5 10.Nf5 Bf5 (10...g4 11.Ng7 Kf8 12.Ne6 Be6 13.Be6+/–) 11.ef5+/– Nd4 12.Nd5 Nf5 13.Bd3 Nd4 (13...Qc8 14.h3+/–) 14.Rb1 (better is 14.c3 Ne6 15.Qb3+–) 14...h4?? (better is 14...Qc8+–) 15.Bd4 ed4 (15...cd4 16.Rb7 Rb8 17.Bg6 Kf8+–) 16.Qf3 b6 (16...Rh6 17.Rb7 g4 18.Qg4+–) 17.Ne7 Ne7 18.Bg6 Kd7 19.Qb7 Qc7 20.Re7! 1–0. marree – lodose, internet, 2010.

    5.Nf3 Nh6 6.0–0 Nf7 7.d4 d6 8.de5 (8.Nbd2 0–0+=) 8...fe5–/+ 9.Nc3 a6 10.Nd5 Bf8 (10...Nc6 11.Bc1+=) 11.h3 (11.Bc1 c6 12.Ng5 A) 12...cd5?? 13.Nf7 dc4 14.Nd8+– (14.Nh8?! g6=); B) 12...Nh6=) 11...c6+= 12.Ne3 Ng5 13.a4 (better is 13.Nd2+=) 13...Ne4 (better is 13...Nd7 14.Nd2 Nf6–/+) 14.Ne5+= de5 15.Qh5 g6? (better is 15...Kd7 16.Qg4 Kc7 17.Qe4 Nd7 18.Be5 Ne5 19.Qe5 Qd6+=) 16.Qe5+– Qe7 17.Qh8 Nd2 (17...Nd7+–) 18.Bf6 Qc5 (18...Qd6 19.Rfe1 Be6 20.Be6 Qe6+–) 19.Qg8 Nc4 (19...Kd7 20.Qf7 Be7 21.Be6 Kc7 22.Be7 Be6 23.Qf4 Kb6 24.a5 Qa5 25.Ra5 Nd7 26.Qd4 c5 27.Bc5 Kc7 28.Bd6 Kd8 29.Qh8 Bg8 30.Qg8 Nf8 31.Qf8 Kd7 32.Qe7 Kc6 33.Qc7) 20.Nc4 (20.Qc4?! Qc4 21.Nc4 Nd7 22.Rfe1 Kf7+–) 20...Bf5 21.Rfe1 Kd7 (21...Qe5 22.Ne5 Be6 23.Qe6 Be7 24.Qe7) 22.Qh7 Kc8 (22...Bg7 23.Qg7 Qe7 24.Qe7 Kc8 25.Nd6) 23.Re8 1–0. DEFFM – GuestXDDJ, freechess.org, 2018.

    5.Qh5 g6

    6.Qe2 c6 7.Nc3 d6 8.Nf3 a5 9.a4 Nd7 10.0–0 Nc5 11.d4 Ne6 12.de5 fe5 13.Rad1 Qb6 14.Rb1 Nf4 15.Qe3 Qe3 16.fe3 Ne6 17.Ne2 Nf6 18.Nd2 0–0 19.h3 Kg7 20.g4 h6 21.Ng3 Ng5 22.Kg2 Be6 23.Bd3 Nd7 24.Nf3 Nf3 25.Rf3 Rf3 26.Kf3 Rf8 27.Kg2 Nc5 28.Bc1 Bc8 29.Ra1 d5 30.Bd2 Nd3 31.cd3 Bc5 32.ed5 cd5 33.Rf1 Rf1 34.Nf1 Bd7 35.Ba5 Ba4 36.Bc3 d4 37.ed4 ed4 38.Bd2 Bc6 39.Kf2 g5 40.Ng3 Kf6 41.Nf5 h5! 42.Ba5? hg4 43.hg4 Bd7 44.Bd8 Kg6 45.Ng3 Bg4 46.Ne4 (46.Ne4 Ba3 47.Bg5–+) 0–1. bratek55 (1725) – lakyluciano, kurnik, 2011.

    6.Qf3 Nh6 7.h3 Nf7 8.Bf7 Kf7 9.d4 ed4 10.Bd4 Nc6 11.Bb2 Bb4 12.c3 Ne5 13.Qe2 Be7 14.f4 Nc6 15.Qc4 Kg7 16.Nf3 Na5 17.Qd3 c6 18.0–0 d5 19.Nbd2?? de4 20.Qe4 Bf5 21.Qd4 Qf8 22.g4?? Bc5–+ 23.gf5 Bd4 24.Nd4 gf5 25.Nf5?? Kf7–+ 26.Kh2 Qc5 27.Nd4? Rhg8 28.Rg1 Nc4 29.Nc4 Qc4 30.f5 c5 31.Ne6 Qe2 32.Kh1 Qf3 33.Kh2 Qe2 34.Kh1 Qb2 35.Rad1 Rg1 36.Kg1 Rg8 (36...Rg8 37.Kf1 Qg2 38.Ke1 Qe4 39.Kf1 Qf3 40.Ke1 Qe3 41.Kf1 Rg1) 0–1. bratek55 – tantalo, kurnik, 2011.

    4...Bf8

    5.Nc3 Nc6 6.Nf3 Nge7 7.0–0 a6 8.d4 d6 9.d5 Na5 10.Bd3=.

    5.Nf3 Nc6 6.0–0 (6.Nc3 Nge7 7.0–0 d6 8.Rb1 a6 9.a3 b5 10.Ba2+=) 6...Nge7 7.d4 ed4 8.Nd4 Ne5 9.Bb3 d5 10.ed5=.

    5.f4 c6 6.fe5+= (6.Bg8 Rg8 7.fe5 Qb6 8.Bc3 fe5 9.Be5 d6 10.Bg3=) 6...fe5?? (better is 6...d5 7.ed6 Bd6 8.Bg8 Rg8 9.Qh5 Ke7+= 10.Nf3+=) 7.Qh5+– g6 8.Qe5 Be7 (8...Qe7 9.Qh8 d5+–) 9.Qh8 Bh4 (9...d5 10.Qg8 Bf8 11.Ba3 Qh4 12.Kd1 Bg4 13.Ne2+–) 10.Ke2 Qg5 (10...d6 11.Qg8 Kd7 12.Qh7 Be7 13.Qg6+–) 11.Qg8 (11.Bg8 Qg2 12.Kd3 Qf1 13.Kc3 Bf6 14.Qf6 Qf6 15.Kb3 Qf2–/+) 11...Ke7 12.g3 (12.Kf3 Na6 13.Nh3 Qh5 14.g4 Qc5 15.Ba6 d5 16.Qh7 Ke8 17.Qg6 Kd8 18.Qg8 Kd7 19.Qg7 Qe7+–) 12...Qg4 13.Nf3 Bg5 14.Qg7 Kd8 (14...Ke8 15.Qf7 Kd8 16.Qf8 Kc7 17.Be5 d6 18.Qd6 Kb6 19.Qb4) 15.Qf8 Kc7 16.Be5 Kb6 (16...d6 17.Qd6 Kb6 18.Qb4) 17.Qb4 1–0. pierre – omari565, internet, 2008.

    5.f4 Nc6 6.f5 (6.Bg8 Rg8 7.Qh5 g6 8.Qh7 Rg7+= 9.Qh4 d6 10.Nc3 Be6+=) 6...Nge7 (6...g6!?–/+ A) 7.Nf3 Bc5 (7...Na5 8.Bd3 Ne7 9.Nc3 d6 10.Nh4 Bh6–/+) 8.c3 Na5 9.fg6 hg6 10.Bg8 Rg8–/+; B) 7.fg6 hg6 8.Nf3 a6 9.Nc3 Bc5 10.Na4 Ba7–/+; C) 7.Nc3 Na5 (7...Nge7 8.Nf3 Na5 9.Bd3 c6 10.Nh4 d6–/+) 8.Bd3 Nh6 9.Rb1 Bc5 10.Na4 Be7–/+) 7.Qh5= (7.Nh3 g6 8.fg6 hg6 9.Qf3 Rh4 10.Qf6 Re4+=; 7.Qf3 Na5 8.Bd3 d5 9.Qh5 Kd7 10.ed5 Nd5+=) 7...g6 8.fg6 Ng6 9.Nf3 d6 (9...Na5 10.Be2 Qe7=) 10.Nh4 (10.0–0 Na5=) 10...Nce7 11.Rf1 Bg7 12.Nf5 Bf5 (12...Bf8!?=) 13.ef5+= d5 14.Bb3 (worse is 14.fg6 hg6 (14...dc4 15.gh7 Kf8 16.Na3+/–) 15.Qf3 dc4 16.Be5 fe5 17.Qf7 Kd7 18.Qg7 Rh2 19.Qe5 Qh8 (19...Rg2? 20.Qd4 Ke8 21.Qh8 Kd7 22.Qh3 Nf5 23.Qg2+–) 20.Qb5 Kd6–/+) 14...0–0 (14...Qd7!? 15.h3 c5+=) 15.fg6+/– hg6 16.Qh3 Qd6 (16...c5 17.Qe6 Rf7 18.d3+/–) 17.c4+– c6? (better is 17...Rfd8+–) 18.cd5 cd5 (18...Nd5 19.Ba3 Qc7 20.Bf8 Rf8 21.Nc3+–) 19.Ba3 Qd8 20.Be7 Qe7 21.Bd5 Rf7 22.Nc3 Rd8 23.Bf7 Qf7 24.Rc1 (24.Rb1 b6+–) 24...Qc4 25.Qg3 g5 (25...Kh7 26.Rf3+–) 26.Rf3 (26.Qf3 b5+–) 26...a6 27.d3 Qd4 (27...Qb4 28.Rf2+–) 28.Rf2 (28.Ne4 Qb2 29.Kd1 Rf8+–) 28...b5 (28...Qb4 29.Qh3+–) 29.Ne4 Qb6 30.Qf3 Kf7 (30...g4 31.Qg3+– (worse is 31.Nf6 Bf6 32.Qg4 Bg7+–)) 31.Ng5 (31.Nf6 Qf6 32.Qb7 Kg6 33.Rf6 Bf6 34.Qe4 Kg7 35.Rc7 Rd7 36.Rd7 Be7 37.Re7 Kf6 38.Qe5 Kg6 39.Qe6 Kh5 40.Rh7) 31...Kg8 32.Ne4 Rf8 33.h4 (33.Nc5 Qa5 34.Kd1 Rd8+–) 33...f5 34.Nd2 Qa5 (34...Qe6 35.Nb3+–) 35.Qd5 Kh7 (35...Kh8 36.g4! f4 37.g5+–) 36.h5 (better is 36.Rf5! Rf5 37.Qe4 Qb6 38.Qf5 Qg6 39.Qg6 Kg6 40.Rc6 Kh5 41.Ra6 b4+–) 36...Qa2 1–0. Bonetti,Shane – reptile, ICC, 2002.

    5.f4 Qe7 6.fe5 (6.Qh5 g6 7.Qf3 Nc6 8.Ne2 ef4 9.Nf4 Ne5 10.Be5+=) 6...d6= 7.Qh5 g6 8.ef6 Nf6 9.Qe2 Nc6 10.Nf3=.

    5.Bg8 Nc6?? 6.Bb3 Qe7 7.Nf3 b6 8.0–0 Bb7 9.Nc3 0–0–0 10.Nd5 Qd6 11.a4 Nb4 12.Ba3 Bd5 13.Bd5 c6 14.c3 cd5 15.Bb4 Qc7 16.ed5 Bb4 17.cb4 Qb7 18.Qb3 Kb8 19.Rfc1 Rc8 20.a5 Rc1 21.Rc1 Rc8 22.Rc8 Kc8 23.b5 d6 24.a6 Qc7 25.Qc3 Kd7 26.Qc6 Kc8 27.d4 e4 28.Nd2 f5 29.Nc4 Kd8 30.Nd6 g6 31.Qe8 1–0. orangutanb4 (1990) – unejam (1650), kurnik, 2011.

    5.Bg8 Rg8 6.Qh5 g6 7.Qh7 Rg7 8.Qh8 d6 9.Nc3 Be6 10.Nf3 Nd7 11.0–0 Qe7 12.Qh4 g5 13.Qg3 0–0–0 14.Rad1 Rh7 15.d4 g4 16.d5 (16.Nh4 ed4 17.Rd4 Qf7=) 16...gf3+= 17.de6 Qe6 18.Qf3 c6 19.a4 Be7 20.a5 a6 (20...Nc5 21.Rd2+=) 21.Rfe1 Rdh8 22.h3 Rg8 23.Re3 Rhg7 24.g4 Rh7 25.Ba3 Rgh8 26.Qg2 Nf8 27.Ne2 Ng6 28.Rc3 Nh4 29.Qg3 Rg8 (29...Ng6 30.Qg2=) 30.Qd3 f5 31.ef5 Nf5 32.Kf1 Nd4?? (better is 32...e4 33.gf5 ed3 34.fe6 Rh3+=) 33.Qh7+– Ne2 (33...Nb5 34.Rf3 Re8+–) 34.Rd6! Bd6 35.Bd6 (35.Ke2?! Bc7+=) 35...Nc3 (35...Kd8 36.Ke2 Ke8 37.Qb7 Qd6 38.Rc6 Rg6 39.Rc8 Qd8 40.Rd8 Kd8 41.Qb6 Rb6 42.ab6 Kc8+–) 36.Qc7 1–0. Janek – tobokin, internet, 2017.

    5.Qh5 g6

    6.Qh4 c6 7.Bg8 Rg8 8.Qh7 Rg7 9.Qh8 Qe7 10.Qh3 d5?? 11.Qc8+– Kf7 12.Qg4 de4 13.Qe4 Nd7 14.Nf3 Kg8 15.0–0 Qb4 16.Qb4 Bb4 17.d4 e4 18.Nfd2 f5 19.Nc4 Rf7 20.a3 Be7 21.g3 b5 22.Ne5 Ne5 23.de5 Bc5 24.Nd2 Rd8 25.Nb3 Bb6 26.Rad1 Rfd7 27.Rd7 Rd7 28.h4 Kf7 29.Kg2 a5 30.g4! a4 31.Na1 Rd2 32.Bc3 Rd5 33.gf5 gf5 34.h5 Bd4 35.Bd4 Rd4 36.Kg3 Kg7 37.Kf4 Kh6 38.Kf5 Kh5 39.e6 Kh6 40.e7 Rd5 41.Ke6 Rd4 42.e8Q c5 43.Rh1 Kg5 44.Qg8 Kf4 45.Qg3 1–0. bratek55 (1660) – andrzejek054, kurnik, 2011.

    6.Qh4 Bg7 7.Nc3 c6 8.Nge2 Ne7 9.d4 b5 10.Bb3 b4 11.Na4 Ba6 12.Nc5 Be2 13.Ke2 d5?? 14.Ne6+– Kf7 15.Nd8 Rd8 16.ed5 Nd5 17.Bd5 Rd5 18.Qh7 Nd7 19.Qh3 Rh8 20.Qf3 Re8 21.Kf1 ed4 22.Re1 Ne5 23.Qb3 Red8 24.g3 c5 25.Kg2 g5 26.f4 gf4 27.gf4 Ng4 28.h3 Ne3 29.Re3 de3 30.Qe3 Rd2 31.Kf3 Rc2 32.Qb3 Kg6 33.Qc2 Kh6 34.Qf5 Rd2 35.Bf6 Ra2 36.Bg7 Kg7 37.Rg1 Kh8 38.Qf8 Kh7 39.Qg7 1–0. bratek55 (1650) – andrzejek054, kurnik, 2011.

    4...g6

    5.a3 Ba5 6.Nc3 (6.Nf3 c6 7.Qe2 Ne7 8.0–0 d5 9.Bb3 Bg4 10.h3+=; 6.f4 d6 7.Ne2 c6 8.Nbc3 ef4 9.Nf4 Nd7 10.Rb1+=; 6.Bc3 Bb6 7.Qf3 Nc6 8.Ne2 d6 9.d3 Nh6 10.Bd2+=) 6...Na6 (6...c6 7.Qf3 (7.Bb3+= Na6 8.Nge2 Nc5 9.Ba2 Ne7 10.0–0+=) 7...b5 8.Bb3 Nh6 9.Qe3 Nf7 10.Nf3+=) 7.Qf3 (7.d4 Ne7 8.Nge2 c6 9.de5 fe5 10.0–0+=) 7...Nh6 (7...Nc5!?= 8.Nge2 c6 9.0–0 b5 10.Ba2=) 8.Nd5+= Rf8 9.Qh3 c6 (9...Nf7 10.Qh7+/–) 10.Qh6 cd5 11.Bd5 (better is 11.Ba6 Qb6 12.Rb1+= (12.Qh7? Qb2 13.Qg6 Kd8–+)) 11...Bd2?? (better is 11...Qe7=) 12.Qd2+– Qb6 13.Bc3 d6 14.Ba5 (14.Rd1 Nc5+–) 14...Qc5 (14...Qb2 15.Qd1 f5 16.Ne2+–) 15.Nf3 Bd7 (15...Rb8+–) 16.Bb7 (16.Bb7 Bc6 17.Ba6 Be4 18.Bb4+–) 1–0. marekt – Markus3571, chessworld.net, 2008.

    5.a4 a6 6.Ne2 (6.Nc3 Nc6+=) 6...c6 7.Nec3 Ne7 8.Qf3 Ng8 (8...f5 9.0–0 Rf8+=) 9.0–0 d6 10.Na2 (10.Ne2 Nh6+/–) 10...Bc5 11.Nc1 Qe7 12.Nb3 (12.Qb3 Kf8+=) 12...Bb6 (12...Be6!? 13.Be6 Qe6 14.Nc5 dc5=) 13.a5 Bc7 14.d4 Be6 15.N3d2 1–0. DEFFM – GuestHJJW, freechess.org, 2018.

    5.a4 Nc6 6.Nf3=.

    5.c3 Bc5 6.d4 ed4 7.cd4 Bb4 8.Nc3 Nc6 9.Nge2 d6 10.Qb3 Nh6 11.a3 Bc3 12.Bc3 Qe7 13.Ng3 b6?? (13...Nf5 14.0–0 A) worse is 14...Nfd4 15.Qb2+–; B) 14...Ncd4 15.Nf5 Nb3 16.Ne7 Na1 B1) 17.Nc8?! Nc2= (worse is 17...Rc8 18.Bf6 Rf8 19.Ba1+/–); B2) 17.Bf6+=; C) 14...Ng3 15.fg3 Rf8= (15...Qe4?? 16.Rae1 Qe1 17.Re1 Kf8 18.Qb5+–)) 14.0–0?? (better is 14.Bb5 Bb7 15.d5+–) 14...Bb7 15.Qb2 0–0–0 16.a4 a6 17.Qe2 Rhe8 18.Ba6 f5 19.Bb7 Kb7 20.f3 (20.a5 f4 21.ab6 cb6 22.Rfb1+–) 20...f4 21.Nh1 Ra8 (21...d5!? 22.Nf2 de4 23.Ne4 Nf5+=) 22.Rfb1 Kc8 23.Qc2 (23.Qc4 Qd7 24.d5 Na5 25.Ba5 ba5+–) 23...Na5 (23...Kd8 24.d5 Na5 25.Bd4+/–) 24.d5 (24.Ba5 Ra5 25.Rb6 Qd7+–) 24...Qd7 (better is 24...Kd8!?+/–) 25.Nf2+– g5 26.Nd3 Nf7 27.Rb5 Ne5 (better is 27...g4 28.Bd4 Kb8+–) 28.Be5 de5 29.Rb6 Kd8 30.Nc5 Qc8 31.Rh6 Re7 32.Rc1 g4 (32...Ke8 33.Rf6 Ra7 34.Qb2+–) 33.fg4 (33.Ne6 Ke8 34.Nc7 Rc7 35.Qc7 Qc7 36.Rc7 Kf8+–) 33...Nb7 (33...Ke8 34.Rf6 Ra7+–) 34.Ne6 Ke8 35.Qc6 Rd7 (35...Qd7 36.Nc7 Kf8 37.Na8+–) 36.Rh7 Na5 37.Ng7 (37.Nc7 Qc7 38.Qe6 Kf8 39.Qf6 Ke8 40.Rh8) 37...Kf7 (37...Kf8 38.Qf6 Kg8 39.Qg6 Qe8 40.Ne8 Kf8 41.Rh8 Ke7 42.Qf6) 38.Nf5 Kg8 39.Qg6 Kf8 (39...Rg7 40.Qg7) 40.Rh8 1–0. qr19kaash (1615) – gyananidhi, gameknot.com, 2014.

    5.Ne2 b6 6.0–0 Bb7 7.Nbc3 Nc6 8.a3 Bf8 (8...Bc5 9.Na4=) 9.Nd5 Bg7 10.f4 Nge7 11.Nec3 (11.fe5 Nd5 12.Bd5 fe5 13.Bf7 Ke7=) 11...Na5 12.Ba2 d6 13.fe5 de5 (13...Nd5 14.Nd5 de5= (worse is 14...fe5 15.Qf3 Rf8 16.Qh3 Bd5 17.Bd5+–)) 14.Nf6+= Bf6 15.Rf6 Qd4 16.Kh1 0–0–0 (16...Be4!? 17.Rb1 0–0–0+=) 17.d3 Kb8 18.Rf7 Nec6 (18...Nac6 19.Qf3+/–) 19.Rb1 (19.Rc7 Qd6 20.Rf7 Rdf8+–) 19...Rdf8 (19...Qc5 20.Nd5+–) 20.Nd5 Qc5 21.Rc7 Rf2?? (better is 21...Qd6 22.c4 Rf2+–) 22.Be5! Ka8 (22...Ne5 23.d4 Double attack (23.Rc5 Pinning; 23.Rc5 Deflection; 23.d4 Decoy)) 23.Bh8 Rc2 (23...Qc2 24.Qc2 Rc2 25.Nc3+–) 24.d4 (24.d4 Qf8 25.Qc2 Qh8 26.Qf2+–) 1–0. marekt (2035) – paolo999123 (1635), gameknot.com, 2014.

    5.Qf3 c6?? 6.Qb3 (6.Bg8 Rg8 7.Qb3 d5 8.Qb4 Na6+/–) 6...Qe7? (better is 6...d5 7.ed5 c5+=) 7.Bg8+– Kf8 (7...Bc5 8.Ba3 d5 9.ed5 Ba3 10.Na3 (worse is 10.Qa3 Qa3 11.Na3 Rg8+=) 10...Rg8 11.dc6+=) 8.Bc4 b5 9.Be2 a5 (9...Kg7 10.Nf3+–) 10.Qe3 (10.Qe3 Kg7 11.a4+–; 10.a3 Bc5+–) 1–0. Wall,Bill – Soltz,Brian, San Antonio, TX USA, 1994.

    5.Qf3 Nh6 A) 6.c3 A1) 6...Bf8 7.Qe2 (7.Ne2 d6 8.d4 c6 9.Bb3 Bg7 10.0–0+=; 7.a3 d6 8.d4 Nc6 9.Bd5 Bg7 10.Ne2+=; 7.Bc1 Nc6 8.d3 Na5 9.Bb3 Nb3 10.ab3+=; 7.d3 d6 8.Nd2 c6 9.Bb3 Bg4 10.Qe3+=; 7.d4 d6 8.Ne2 c6 9.h3 Nf7 10.Bc1+=; 7.Qd3 c6 8.Ba3 Ba3 9.Na3 b5 10.Bb3–/+; 7.Nh3 d6 8.d4 c6 9.Bc1 Bg4 10.Qg3–/+; 7.h3 Nc6 8.d4 Nf7 9.Ne2 Ng5 10.Qe3+=; 7.a4 Nc6 8.Ne2 d6 9.d4 Bg4 10.Qe3+=) 7...c6 8.d4 b5 9.Bd3 ed4 10.cd4+=; A2) 6...Be7 7.d4 (7.Bc1 Nf7 8.d4 Nc6 9.Ne2 Rf8 10.Bd5+=; 7.d3 Nf7 8.Ne2 Ng5 9.Qe3 c6 10.f4+=) 7...Nc6 8.Ne2 f5 9.Bc1 fe4 10.Qe4=; A3) 6...Bd6 7.d4 (7.Bc1 Bf8 8.d4 d6 9.h3 Nd7 10.Ne2+=; 7.Ne2 f5 8.d4 Nc6 9.Nd2 Qf6 10.ef5=) 7...Nc6 8.Ne2 f5 9.Nd2 Qf6 10.Bd5=; A4) 6...Ba5 7.Bc1 (7.Ne2 d6 8.0–0 c6 9.Ng3 f5 10.d4+=; 7.d3 Nc6 8.Ne2 f5 9.Qh3 Ng4 10.Qf3–/+; 7.Qe3 Nf7 8.Nf3 c6 9.d4 d5 10.Bd3+=) 7...Nf7 8.d3 Nc6 9.Ne2 d6 10.0–0+=; B) 6.Ne2 B1) 6...d6 7.Nbc3 (7.c3 Ba5 8.d4 ed4 9.Nd4 Ng4 10.Nd2+=; 7.0–0 Nc6 8.d4 ed4 9.Nd4 Ne5 10.Qb3=; 7.Ng3 Nd7 8.c3 Ba5 9.0–0 Nb6 10.Bb3+=; 7.a3 Bc5 8.d4 ed4 9.Nd4 Qe7 10.Nb3+=; 7.Qb3 Nc6 8.0–0 Bc5 9.Bd5 Bd7 10.d4+=) 7...Bg4 8.Qe3 Nf7 9.Nd5 Bc5 10.Qb3=; B2) 6...Nc6 7.a3 (7.c3 Na5 8.Bb5 Be7 9.d4 c6 10.Bd3–/+; 7.0–0 Na5 8.Bb3 Nb3 9.Qb3 Ba5 10.f4+=; 7.Nbc3 Na5 8.Bd3 c6 9.0–0 Nf7 10.Rfb1+=; 7.Ng3 Na5 8.Be2 Bc5 9.Nc3 Nc6 10.Nd5+=; 7.Qd3 d6 8.Nbc3 Na5 9.Bb3 Bd7 10.0–0+=; 7.Nec3 Nd4 8.Qd1 c6 9.0–0 b5 10.Bb3–/+) 7...Bc5 8.Nbc3 d6 9.Na4 Bg4 10.Qd3+=; C) 6.Nc3 C1) 6...Bc5 7.Nd5 (7.Na4 Be7 8.Nc3 d6 9.Nge2 c6 10.d4+=9) 7...Ng8 8.Be5 fe5 9.Nb6 Nh6 10.Na8+=; C2) 6...c6 7.Rb1 (7.Nge2 d6 8.0–0 b5 9.Bb3 Bc5 10.Bc1+=; 7.a4 d6 8.Nge2 Nd7 9.0–0 f5 10.Ba3+=; 7.Nh3 d6 8.a3 Bc5 9.Qg3 b5 10.Nb5–/+; 7.Qd3 b5 8.Bb3 Na6 9.Nf3 Nc5 10.Qe3+=; 7.a3 Bc5 8.Nge2 b5 9.Bb3 d6 10.0–0–/+) 7...b5 8.Bb3 Bc5 9.Nce2 d6 10.d4+=; D) 6.a3 Bc5 7.Ne2 (7.Nc3 c6 8.Nge2 b5 9.Bb3 d6 10.0–0–/+) 7...Nc6 8.Nbc3 d6 9.Na4 Bg4 10.Qd3=.

    5.Nf3 c6 6.c3 (6.a3 Ba5 7.Ne5 d5 8.ed5 fe5 9.Be5 Nf6 10.Qe2+=) 6...Be7 7.Qb3 d5 8.ed5 b5 9.Be2 Qd5 10.Qd5+=.

    5.Nf3 Ne7 6.0–0 c6 7.d4 d6 8.de5 de5 9.Qd8 Kd8 10.a4 Kc7 11.Nc3?? Bg4–/+ 12.Rad1 Bf3 13.gf3 Nd7 14.Rd3 Nc5 15.Rdd1 Bc3 16.Bc3 Na4 17.Bb4 c5 18.Ba3 b6 19.Bb5 Nc3 20.Bc4 Rad8 21.Bb2?? Nd1 22.Ba3 Nc6 23.h4 Nc3 24.h5 b5 25.Be6 Ne2 26.Kh2 Nf4 27.Bd5 Nd5 28.ed5 Rd5 29.f4 e4 30.Kg3 f5 31.c4 Rd3 32.Kh4 Ra3 33.cb5 Nd4 34.Rb1 Kb6 35.Kg5 Nf3 36.Kf6 Rd3 37.Kg7 Rdd8 38.hg6 hg6 39.Kg6 Nh4 40.Kf6 Rh6 41.Ke7 Rdd6 42.Ra1 Rhe6 43.Kf7 Rf6 44.Ke7 Ng6 45.Ke8 Rfe6 46.Kf7 Re7 47.Kg8 Rd8 0–1. bratek55 (1745) – lakyluciano, kurnik, 2011.

    5.Nf3 Nh6 6.c3 Be7 7.g3 d6 8.Qb3 Qd7 9.d4=+ Qg4 10.Nbd2= ed4 11.cd4 c6 12.h3 Qh5 13.a4 Nd7 14.0–0–0 Nb6–/+ 15.g4 Qa5=+ 16.e5? d5–+ 17.ef6 dc4 18.Qe3 Nd5 19.Qh6 Nf6 20.Rhe1–/+ Qb4?? 21.Qg7 Rf8 22.Ng5?? c3?? 23.Re7+= Qe7 24.Qe7 Ke7 25.Ba3 Kd7 26.Bf8 cd2 27.Kd2 h5 28.Re1 Kc7 29.Bg7 Nd5 30.f3 b6 31.Be5 Kb7 32.Ne4 Bd7 33.Rb1 Rf8 34.Nc5 Kc8 35.Nd7 Kd7 36.Rb3 h4=+ 37.Bg7 Rd8 38.Ra3 g5=+ 39.a5 b5 40.Be5 Rf8 41.a6=+ Nb6 42.Kc2 b4 43.Rd3 Nd5 44.Kb3 Ke6 45.Ka4 Ke7 46.Kb3=+ Kd7 47.Kc4 Rd8 48.Rd2 Rg8 49.Kb3 Re8 50.Rb2 Rf8 51.Rf2 Ke6 52.Bg7 Rb8 53.Re2 Kf7 54.Bh6 Nf4 55.Re5 Nh3 56.Bg5?? Ng5–+ 57.Rg5 Rd8 58.Rf5 Ke6 59.Kc4 b3 60.Re5 Kf7 61.Re2 Rb8 62.Kc3?? Rb6 63.Rh2?? Kf6 64.f4?? Kg6 65.Kb2+/– Rb4 66.Rh4 Rd4 67.g5 Rd3 68.Rh6 Kf5 69.Rf6 Ke4 70.Rc6 Kf4 71.Rc7 Kg5 72.Ra7 Rd2 73.Kb3 Rd3 74.Kc4 Ra3 75.Kb5 Rb3 76.Ka5 Ra3 77.Kb6 Rb3 78.Kc6 (78.Kc6 Rc3 79.Kb7+–) 1–0. Comp Shortchess – Comp Zzzzzz, Dutch–ch Leiden, 1993.

    5.f4 Nc6 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nc6 5.f4 g6).

    5.f4 Ne7 6.fe5+= fe5 7.Be5 (7.Nf3 Nbc6 (7...d6 8.0–0 Nec6 9.c3 Ba5 10.d4 Rf8 11.Nbd2 Nd7 12.Nb3 Bb6; 7...Rf8 8.0–0 d5 9.ed5 e4 10.Ng5 Nd5 11.Ne4 c6 12.Bd5 Bf5; 7...d5 8.ed5 Nd5 9.0–0 0–0 10.Nc3 Be6 11.Nd5 Bd5 12.Qe2 Nc6) 8.0–0 Rf8 9.Ne5 Rf1 10.Qf1 Bc5 11.Kh1 Ne5 12.Be5 d5; 7.Nc3 Nbc6 8.Nf3 Na5 9.Qe2 Rf8 10.0–0 Nec6 11.Bd5 d6 12.Na4 Bg4) 7...Rf8 8.Nf3 (8.Bg7 Nf5 9.Bf8 Qh4 10.Kf1 Kf8 11.Qf3 Nc6 12.g3 Qf6) 8...d5 (8...Nbc6 9.Bg7 Rf4 10.0–0 d5 11.ed5 Nd5 12.a3 Be7) 9.ed5 Bg4 (9...Nd7 10.Bc3 Nb6 11.Bb4 Nc4 12.Qe2 a5) 10.Qe2 (10.0–0 Nd5 11.Qe1 Bf3 12.gf3 Kf7) 10...Qd7 (10...c6 11.Nc3 Bc3 12.dc3 Bf3) 11.0–0 Bf3 12.Rf3 (12.gf3?! Rf5+– 1.98 (12...Kd8+=)) 12...Rf3 13.gf3 Kd8 14.a3 Bc5 15.d4 Bd6 16.Nc3 Qf5 17.Bg3 (17.Re1 Ba3 18.Nb5+–) 17...Nd7 18.Re1 Qg5?? (better is 18...Qf6+/–) 19.Ne4+– Qf5 20.Nd6 (20.Nd6 Qf6 21.Nb7 Kc8 22.Qe7 Qe7 23.Re7 Kb7 24.Rd7+–) 1–0. marekt – Nhannie, chessworld.net, 2011.

    5.Bg8 Rg8 6.Nc3 Bc3 7.Bc3 d5 8.ed5 Qd5 9.Nf3 Bg4 10.0–0 Bf3 11.Qf3 Qf3 12.gf3 Nc6 13.Rab1 0–0–0 14.Rfd1 Nd4 15.Bd4 Rd4 16.c3 Rd3 17.Kg2 Rgd8 18.a4 Rd2 19.Rd2 Rd2 20.a5 Ra2 21.Rd1 Ra5 22.c4 Rc5 23.Rc1 b5 24.Ra1 Kb7 25.cb5 Rb5 26.Rd1 a5 27.Rd7 a4 28.Rh7 a3 29.Rh6 a2 30.Rg6 a1Q 31.Rf6 e4 32.Rf4 Rg5 33.Kh3 ef3 34.Rg4 Qh8 35.Kg3 Rg4 36.Kg4 Qh2 0–1. guest385 – guest64, ICS blitz, 2000.

    5.a3 Bc5

    6.Nf3 Nc6 7.0–0 d6 8.d4 ed4 9.Nd4 Ne5 10.Nd2+=.

    6.Nf3 d6 7.0–0 c6 (7...Nc6 8.d4 Bb6 9.Bb5=) 8.d4= ed4 9.Bd4 Bd4 10.Qd4 Qe7 (10...Bg4 11.Nfd2 Nh6 12.Qe3=) 11.Ng5 (better is 11.Rd1=) 11...Qe5 (better is 11...Nh6+=) 12.Qe5+/– fe5 13.Nf7 d5 14.Nh8 (14.Bd5 cd5 15.Nh8 de4+/–) 14...dc4 15.f4 ef4 (15...Be6 16.Nc3+/– (worse is 16.fe5 Nd7+=)) 16.Rf4 Be6 17.Nd2 (17.Rh4 Nf6 18.e5 Nh5+/–) 17...Nd7 18.Rh4 Ngf6 (18...0–0–0 19.Nf3 (worse is 19.Rh7 Ndf6 20.Rg7 Rd2+=) 19...Ngf6 20.Ng5+=) 19.e5+= Ne5 20.Re1 Ke7 21.Re5 Rh8 22.Nc4 (worse is 22.Rc4 Kd6 23.Ra5 Bc4 24.Nc4 Kc7 25.Ra7 Re8–/+) 22...Rd8 (22...b5 23.Na5 Kd6 24.Re3+=) 23.Re1+/– Rd5 (23...c5 24.Rh3 Re8 25.Rhe3+/–) 24.Rh3 Kd7 25.Rhe3 Bg8 26.Re7 Kc8 27.Ne5 a5 (27...Rd6+–) 28.Rf1 Rd6 29.Rf6! Rf6 30.Re8 Kc7 31.Rg8 Kd6 32.Nc4 Kc5 33.Na5 b6 34.Nb3 Kc4 35.Nd2 Kb5 36.c4 Ka6 37.Rd8 Re6 38.Kf2 c5 (38...h6 39.Kf3+–) 39.Kf3 h6 40.Rd7 (40.g4 g5+–) 40...Rf6 41.Ke3 Re6 (41...b5 42.Ne4 Rc6 43.Kd3+–) 42.Ne4 g5 43.g4 h5 (43...b5 44.Rd5+–) 44.gh5 Rh6 (44...Re8+–) 45.Nd6 b5 46.cb5 Kb6 47.Rb7 Ka5 48.Ra7 Kb6 49.Ra6 (49.Ra6 Kc7 50.Ne8 Kd7 51.Rh6+–) 1–0. DEFFM – GuestGSXS, freechess.org, 2018.

    5.c3 Ba5

    6.Ba3 d6 7.Qb3 b6?? 8.Bd5?? (better is 8.Bg8 Qe7 9.Ne2+–) 8...Kf8?? (better is 8...c6 9.Bg8 d5 10.Bd5 cd5 11.ed5 Bf5+=) 9.Ba8+– h5 (9...Kg7 10.Nf3+–) 10.Ne2 Nc6 (10...h4+–) 11.Bc6 Bg4 (11...Ne7 12.Bb5+–) 12.f3 f5 (12...Bd7 13.Bd7 Qd7 14.0–0+–) 13.fg4 Qh4 14.g3 Qg4 15.Qe6 Rh7 16.Qe8 (16.Qc8 Kg7 17.Qc7 Kh8 18.Qd6 Re7+–) 16...Kg7 17.Bd5 c6 18.Bg8 (18.Bd6 Kh6 19.Bf8 Rg7 20.Bg7 Kg7 21.Qg8 Kf6 22.Qf7 Kg5 23.h4 Qh4 24.gh4 Kh6 25.Rg1 cd5 26.Qg6) 18...h4 19.Qf7 Kh6 20.Qh7 Kg5 21.ef5 Qf5 (21...Qh5 22.Qe7 Kg4 23.h3 Kf3 24.0–0 Ke4 25.Rf4 Kd3 26.Nc1 Kc2 27.Bb3) 22.Qh4 1–0. marekt – tHEwEASEL, ChessWorld.net, 2002.

    6.Ba3 d6 7.Qb3 Ne7!?+= A) 8.d3 A1) 8...Rf8 9.Bc1 (9.Nf3 Nd7 10.0–0 Nb6 11.Nbd2 Nc4 12.Nc4+=; 9.Nd2 a6 10.Ne2 Qd7 11.Qc2 b5 12.Bb3–/+; 9.Ne2 f5 10.Bc1 fe4 11.de4 Bb6 12.Rf1–/+) 9...g5 10.h4 Bb6 11.hg5 fg5 12.d4+=; A2) 8...Qd7 9.Nf3 (9.Ne2 Bb6 10.0–0 Nec6 11.Qd1 Na5 12.Bd5–/+) 9...Nec6 10.0–0 Bb6 11.Nbd2 Na5 12.Qc2+=; A3) 8...Nbc6 9.Nf3 (9.Ne2 Bb6 10.Bc1 h6 11.a3 Na5 12.Bf7–/+) 9...Bb6 10.Bc1 Qd7 11.Bf7 Kd8 12.0–0+=; A4) 8...Nd7 9.Nf3 (9.Nd2 Nb6 10.Ne2 Nc4 11.Nc4 Bb6 12.Nb6+=; 9.Ne2 f5 10.Nd2 Rf8 11.0–0 Bb6 12.Rab1+=) 9...Nb6 10.Be6 Nc6 11.Bc8 Qc8 12.Nbd2+=; A5) 8...Kf8 9.Nf3 (9.h4 Nbc6 10.Bc1 Kg7 11.h5 Bb6 12.Nd2–/+) 9...Kg7 10.h4 Bb6 11.h5 Nbc6 12.Nbd2–/+; A6) 8...Bb6 9.Nf3 (9.Bc1 Nec6 10.Be6 Na5 11.Qa4 Bd7 12.Bd7–/+; 9.Ne2 Nec6 10.Bf7 Kf8 11.Bd5 Kg7 12.0–0–/+) 9...Nec6 10.Bf7 Kf8 11.Bd5 Kg7 12.0–0–/+; B) 8.Ne2 B1) 8...Rf8 9.d4 (9.d3 Nd7 10.0–0 f5 11.ef5 Nf5 12.Nd2+=) 9...Bb6 10.Bc1 Nbc6 11.Bh6 Na5 12.Qb4+=; B2) 8...f5 9.0–0 (9.ef5 Nf5 10.0–0 c6 11.d4 d5 12.Bd3–/+; 9.f4 Nbc6 10.Bf7 Kf8 11.ef5 Bf5 12.fe5–/+; 9.Bf7 Kf8 10.h4 fe4 11.h5 Kg7 12.Ng3–/+; 9.d3 fe4 10.de4 Rf8 11.Bc1 Bb6 12.Rf1–/+; 9.Ng3 Rf8 10.ef5 Bb6 11.f6 Rf6 12.Ne4–/+; 9.h3 Rf8 10.d3 fe4 11.de4 Bb6 12.f3–/+) 9...fe4 10.Ng3 Nbc6 11.Ne4 Bb6 12.d3+=; B3) 8...Qd7 9.0–0 (9.d3 Bb6 10.Nd2 Nec6 11.0–0 Na5 12.Qc2–/+) 9...Bb6 10.d4 Nbc6 11.Qb2 f5 12.Nd2–/+; B4) 8...Bb6 9.d3 (9.d4 Nec6 10.Qb5 a6 11.Qd5 Rf8 12.Bb3–/+) 9...Nec6 10.Bf7 Kf8 11.Bd5 Kg7 12.0–0–/+; B5) 8...Nd7 9.0–0 (9.d4 Nb6 10.Bf7 Kf8 11.h4 Nc6 12.h5–/+; 9.Bf7 Kf8 10.h4 h5 11.0–0 Kg7 12.d3–/+; 9.d3 Rf8 10.Nd2 Bb6 11.Qa4 f5 12.0–0+=) 9...Rf8 10.d4 f5 11.Qa4 Bb6 12.de5+=; B6) 8...Nbc6 9.d3 (9.Bc1 Bb6 10.d4 h6 11.Qd1 f5 12.ef5–/+) 9...Bb6 10.Bc1 h6 11.a3 Na5 12.Bf7–/+; C) 8.Nf3 C1) 8...Rf8 9.d3 (9.0–0 Nbc6 10.d4 Bb6 11.Bb2 g5 12.Bb5+=) 9...Nd7 10.0–0 Nb6 11.Nbd2 Nc4 12.Nc4+=; C2) 8...Bb6 9.d3 (9.d4 Nec6 10.Bb2 Na5 11.Qa4 Bd7 12.Bb5–/+; 9.Bf7 Kf8 10.Be6 Nbc6 11.Bc8 Qc8 12.d3–/+) 9...Bg4 10.Bc1 Qd7 11.Bf7 Kd8 12.Bh6=; C3) 8...Qd7 9.d3 (9.0–0 Bb6 10.Bf7 Kf8 11.d4 Nbc6 12.de5–/+; 9.Bf7 Kf8 10.0–0 Kg7 11.d4 Nbc6 12.Bc4–/+) 9...Bb6 10.0–0 Nbc6 11.Bc1 Na5 12.Bf7+=; C4) 8...Nec6 9.Bf7 (9.d3 Bb6 10.Bf7 Kf8 11.Bd5 Kg7 12.0–0–/+; 9.Bc1 Bb6 10.Be6 Na6 11.Bc8 Qc8 12.0–0–/+; 9.0–0 Bb6 10.Qd1 Na5 11.Bb5 Nbc6 12.d4–/+; 9.Bb2 Nd7 10.Bf7 Ke7 11.Ba3 Nb6 12.Bb2–/+) 9...Kf8 10.h4 Qd7 11.Bd5 Bb6 12.h5+=; C5) 8...Nbc6 9.Bc1 (9.d3 Bb6 10.Bc1 h6 11.a3 Na5 12.Bf7–/+; 9.0–0 Bb6 10.Be6 Be6 11.Qe6 Rf8 12.d3–/+) 9...Bb6 10.d3 h6 11.a3 Na5 12.Bf7–/+.

    6.Ba3 d6 7.Qb3 Nh6 8.Bc1 A) 8...Rf8 9.Nf3 (9.d3 Nf7 10.Nf3 c6 11.a4 f5 12.0–0+=; 9.d4 Nf7 10.Nf3 Bb6 11.Be3 f5 12.Bf7=) 9...f5 10.d4 fe4 11.Bg5 Qd7 12.Ne5+=; B) 8...Qd7 9.d4 (9.Nf3 f5 10.d3 fe4 11.de4 Nf7 12.Nbd2+=; 9.d3 Nf7 10.Nf3 Bb6 11.h4 Nc6 12.h5+=; 9.Ne2 Nf7 10.d4 c6 11.0–0 f5 12.Nd2+=) 9...g5 10.Ne2 c6 11.0–0 b5 12.Bd3=; C) 8...Bb6 9.d4 g5 10.h4 ed4 11.hg5 Ng4 12.Bb5=; D) 8...f5 9.d4 Ng4 10.f3 ed4 11.fg4 Qh4 12.g3+=; E) 8...Kf8 9.Nf3 (9.d3 Kg7 10.Nf3 c6 11.Be6 Nd7 12.Qc2+=) 9...Kg7 10.0–0 f5 11.d3 fe4 12.de4+=.

    6.Qb3 Nh6 7.Bc1 Nc6 8.Nf3 Bb6 9.d4 g5 10.h4=.

    6.d4 Ne7 7.de5 fe5 8.Nf3 Nec6 9.Qd5 Qe7 10.0–0 Rf8 11.Bc1 Qd6 (11...Qg7!?+=) 12.Bh6 Qd5 13.ed5 d6?? (better is 13...Rf3 14.gf3 Ne7+=) 14.Bf8+– Kf8 15.dc6 Nc6 16.Rc1 Bf5 17.Nbd2 Re8 18.Bd5 Bd7 19.Rab1 Bb6 20.Nc4 Bf5 21.Rb5 h6 22.a4 e4 23.Nh4 (23.Nb6?! a6 24.Rb2 ef3+–) 23...a6 24.Rbb1 (24.Nb6?! ab5 25.ab5 Na7+–; 24.Nf5 ab5 25.Nfd6 Bf2 26.Kf2 cd6 27.ab5 Ne7 28.Bb7 d5+–; worse is 24.Rb6 cb6 25.Rb1 b5 26.ab5 ab5 27.Rb5 Ne7 28.Nf5 gf5 29.Bb7 Rd8+–) 24...e3 25.Nf5 ef2 26.Kf1 gf5 27.Nb6 cb6 28.Rb6 Ne5 29.Rb7 Nd3 30.Rf7 Kg8 31.Re7 Kf8 32.Re8 (32.Re8 Ke8 33.Rd1+–) 1–0. marekt – Nhannie, chessworld.net, 2011.

    6.Qf3 c6 7.Bb3 d6 8.Ne2 f5 9.d4 Nf6 10.Nd2 d5 11.ed5 e4 (worse is 11...Nd5 12.de5 Bc7 13.c4+=) 12.Qh3 cd5 13.Ba3 Nc6 14.0–0 f4 15.Qh6 Ng4 16.Qg7 (16.Qf4?? Bc7 17.Bd5 Bf4 18.Nf4 Qh4–+) 16...Qf6 17.Qf6 Nf6 18.Rab1 g5 19.Rfe1 b6 20.Nf3? (better is 20.Ba4!? Bd7 21.Nb3–/+) 20...ef3–+ 21.Nf4 Kf7 22.Nd5 Kg6 23.Re3 Bf5 24.Rbe1 Nd5 25.Bd5 Nd4 26.Ba8 Nc2 27.g4 Ra8 (worse is 27...Ne1 28.gf5 Kg7 29.Be4+= (worse is 29.Re1 Ra8 30.Re3 g4+=; worse is 29.Bf3 Nf3 30.Rf3 Rc8=)) 28.gf5 Kh5 29.f6 (29.Bb4 Ne1 30.Re1 Bb4 31.cb4 a5–/+) 29...Na3 (worse is 29...Ne1 30.f7 Kg6 31.f8Q Rf8 32.Bf8+/–; 29...Ne3 30.Re3 Rc8 31.f7+–) 30.Rf3 Rf8 31.Re7 h6 32.h4 Nc4 (32...Kh4 33.Ra7 Nc4 34.f7–/+) 33.Kg2? (33.hg5!? hg5 34.Kg2+=) 33...Nd2 (33...g4!? 34.Rf4 b5 35.Rc4 bc4 36.Re5 Kh4 37.Ra5 Rf6–/+) 34.Rd3+= Nb1 35.hg5 hg5 36.Ra7 Rf6 (worse is 36...Bc3 37.Rh7 Kg4 38.Rh1+–) 37.c4 Rc6 38.Rg7 Rc4 39.Rh3 Rh4 40.Rg3 Rg4 41.Rh7 Kg6 42.Rg4 Kh7 43.Rg5 Nc3 44.a3 Nb1 45.a4 Nc3 46.Rg4 Nd1 47.Kg3 Nb2 ½–½. Van Rooijen,Peter (1855) – Herzog,Klaus (1990), remoteschach.de, 2005.

    5.c3 Be7

    6.d4 Nc6 7.Nf3 (7.a3 d6 A) 8.d5 Na5 (8...Nb8 9.Bc1 f5 10.ef5 Bf5 11.Ne2 Nf6+=) 9.Bd3 c6 10.Bc1 Bd7 11.h4 cd5–/+; B) 8.Nd2 f5 (8...Na5 9.Bd3 Nh6 10.Ngf3 0–0 11.0–0 Nf7=) 9.Qa4 ed4 10.cd4 Bd7 11.d5 Ne5+=) 7...Na5 (7...ed4 8.cd4 Na5 9.Be2= d5 10.ed5 Qd5 11.Nc3 Bb4=) 8.Bg8 Rg8 9.de5 Nc6 (9...Rf8 10.ef6 Bf6 11.Ba3 d6=) 10.ef6 Bf6 11.0–0 (11.Nbd2 Kf7=) 11...d6 (11...Rf8=) 12.Nbd2 Qe7 13.Rb1 Bg4 (13...g5 14.Nd4=) 14.Qb3+= 0–0–0 15.c4 Rgf8 (15...b6!?+=) 16.Bf6+/– (16.Bf6 Rf6 17.Qb7 Kd7 18.Qb2+/–) 1–0. kamret (2190) – redisperanza, GameColony.com, 2003.

    6.d4 ed4 7.cd4 Bb4 8.Bc3 Nc6=.

    6.d4 d6 7.Qb3 Nh6 8.Bc1 Bf8 A) 9.Nd2 A1) 9...Nd7 10.Bd3 (10.Ngf3 Nb6 11.Be2 Qe7 12.0–0 c6 13.a4=; 10.Rb1 ed4 11.cd4 Nb6 12.Ngf3 d5 13.Bd5=; 10.Ne2 Nb6 11.Bd3 f5 12.a4 Qf6 13.a5=; 10.Be2 f5 11.Ngf3 Qe7 12.Bd3 Bg7 13.Rb1+=) 10...ed4 11.cd4 f5 12.Ngf3 Bg7 13.Rb1=; A2) 9...c6 10.Ngf3 Qe7 11.0–0 f5 12.Re1 b5 13.Bd3=; A3) 9...Qe7 10.Ngf3 (10.Ne2 c6 11.0–0 f5 12.Bd3 ed4 13.cd4+=; 10.Rb1 ed4 11.cd4 f5 12.Qc2 fe4 13.Qe4+=; 10.de5 de5 11.Ngf3 Nd7 12.0–0 Nc5 13.Qc2+=) 10...c6 11.0–0 f5 12.Re1 Nd7 13.ef5=; A4) 9...a6 10.Ngf3 (10.Rb1 Nc6 11.Ngf3 Na5 12.Qa4 c6 13.Be2+=; 10.Be6 Nd7 11.Rb1 Qe7 12.Bd7 Qd7 13.Ngf3+=; 10.Ne2 f5 11.0–0 Nd7 12.f4 ed4 13.Nd4=; 10.Bd3 f5 11.Ndf3 ed4 12.Bg5 Qd7 13.cd4=) 10...b5 11.Be2 g5 12.a4 g4 13.Nh4=; A5) 9...f5 10.ef5 (10.Ngf3 Nc6 11.0–0 Na5 12.Qa4 c6 13.Bd3=; 10.Rb1 Qg5 11.ef5 gf5 12.de5 de5 13.Ngf3=) 10...gf5 11.Ndf3 Qf6 12.Bg5 Qg6 13.de5=; A6) 9...ed4 10.cd4 Nd7 11.Ngf3 Nb6 12.Bd3 Qe7 13.0–0=; A7) 9...Nc6 10.Bb5 (10.d5 Na5 11.Qa4 c6 12.dc6 bc6 13.Nb3+=; 10.Bd5 Na5 11.Qc2 c6 12.Bb3 ed4 13.cd4–/+; 10.Qb2 Na5 11.Bd3 Bg7 12.Ngf3 f5 13.0–0+=) 10...a6 11.Bc6 bc6 12.Rb1 Nf7 13.Ngf3=; B) 9.Nf3= B1) 9...Qe7 10.0–0 (10.Bd3 Nd7 11.0–0 Bg7 12.Nbd2 f5 13.Re1=) 10...Nd7 11.a4 c6 12.a5 f5 13.Bg5=; B2) 9...c6 10.0–0 Qe7 11.Nbd2 f5 12.Re1 b5 13.Bd3=; B3) 9...ed4 10.cd4 Nd7 11.0–0 Nb6 12.Be2 Qe7 13.Nc3=; B4) 9...Nc6 10.Bb5 (10.0–0 Na5 11.Qa4 c6 12.Be2 b5 13.Qc2=; 10.d5 Na5 11.Qa4 c6 12.Be2 Bd7 13.Qb4+=; 10.Qc2 Bg4 11.Nbd2 Na5 12.Bd3 Nf7 13.h3=; 10.Qb5 a6 11.Qa4 Rb8 12.Qc2 b5 13.Bb3+=; 10.Bd3 Na5 11.Qa4 c6 12.0–0 Bg4 13.Nbd2=; 10.Be2 Nf7 11.0–0 f5 12.d5 Na5 13.Qb4+=; 10.de5 Ne5 11.Ne5 fe5 12.0–0 Bg7 13.Nd2+=; 10.Be6 Na5 11.Qa4 c6 12.Bc8 b5 13.Bd7=) 10...a6 11.Bc6 bc6 12.Nbd2 Nf7 13.0–0=; B5) 9...Qd7 10.0–0 (10.Nbd2 Nc6 11.Bd3 Bg7 12.0–0 Nf7 13.Bb5+=; 10.Bd3 Nc6 11.0–0 Bg7 12.Rd1 Nf7 13.d5+=) 10...Nc6 11.Qa4 f5 12.Bb5 a6 13.d5+/–; B6) 9...Nd7 10.0–0 (10.Bd3 Nf7 11.0–0 Qe7 12.Rd1 Bh6 13.Bh6=) 10...Nb6 11.Bd3 Bg4 12.Nbd2 Nf7 13.a4=; B7) 9...Bg7 10.Be6 (10.Nbd2 Nc6 11.0–0 Na5 12.Qa4 c6 13.Be2=; 10.0–0 Nc6 11.Bd5 Na5 12.Qb4 c6 13.Bb3+=) 10...Nc6 11.0–0 Na5 12.Qa4 c6 13.Bc8=.

    6.d4 d6 7.Qb3 Nh6 8.Bc1 g5 9.h4+= Bf8 (9...f5 10.de5 (10.ef5 Nc6 11.Nf3 Na5 12.Qa4 c6 13.Bg5=) 10...de5 11.Nf3 (11.Nh3+= Nd7 12.Qd1 g4 13.Bh6+=) 11...Nd7 12.hg5 Nc5 13.Qc2+/–) 10.hg5+/– fg5 11.Rh5 (better is 11.Be6 A) 11...ed4 12.Nf3+– (worse is 12.cd4 Nc6+/– 13.Bc8+/–) 12...Nd7 13.Bg5+–; B) 11...a5 12.Bc8 Qc8 13.Bg5+/–) 11...Bg4?? (better is 11...Qf6= 12.Ne2 g4 13.Ng3=) 12.Bg5+– (12.Qb7?! Bh5 13.Qa8 a6+/–; 12.Rg5?! Bc8+/–) 12...Qd7? (12...Be7 13.Be7 Qe7 14.Qb7 Bh5 15.Qa8 Qd8+–) 13.Qb7 (13.Bh6?! Bh5 14.Bf8 Qg4+–) 13...Bh5 14.Qa8 Qc8 15.Ba6!! (15.Qa7?! Nf7 16.Bf6 Rg8+–) 15...Qa6 (15...Na6 16.Qc8; 15...Qa6 16.Qb8) 16.Qb8 Kd7 (16...Kf7 17.Bh6 Qc6 18.d5+–) 17.Qd8 Kc6 18.Bh6 (better is 18.d5 Kb7 19.Nd2+–) 18...Rg8 (18...Qd3 19.f3 Qc2 20.Qa8 Kd7 21.de5 Bh6 22.Qh8 Qc1 23.Kf2 Qb2 24.Nd2 Bg6+–) 19.Bf8 1–0. mtrc – mackenzie, internet, 2002.

    6.Nf3 c6 7.Qb3 Nh6 8.0–0=.

    6.Nf3 d6 7.0–0 (7.Qb3 Nh6=) 7...Nc6 8.d4 (8.Bc1 f5 9.ef5 e4+=) 8...Nh6 (8...f5 9.Qe2+=) 9.Nbd2 (9.Bc1 Nf7=) 9...Nf7 (9...f5 10.Bc1=) 10.Qb3 (10.d5 Na5=) 10...0–0 11.Be2 (11.Bd5 f5+=) 11...Kg7 (11...f5 12.de5 de5 13.Rad1+=) 12.h4 (12.d5 Na5 13.Qb4 c5+=) 12...Na5 (12...f5 13.ef5 Bf5 14.Qb7–/+) 13.Qc2 (13.Qb5 c6 14.Qd3 f5–/+) 13...Nc6 (13...f5 14.Rad1 Bh4 15.c4 ed4 16.Nd4–/+) 14.d5 (14.Qb3 f5–/+) 14...Nb8 15.h5 g5 (15...f5 16.hg6 hg6 17.Rae1+=) 16.c4 h6 (16...Nh6 17.Rfb1=) 17.Nh2 (17.Rfb1 g4 18.Nh4 c6=) 17...c6 (17...Nd7 18.Rfb1=) 18.Ng4= cd5 (18...Nd7 19.Rfb1=) 19.ed5 f5 20.Ne3 Nh8 (20...Qd7 21.Bd3 f4 22.Nf5 Kg8 23.Ne7 Qe7 24.Be2=) 21.c5= f4 (21...Qc7!?=) 22.cd6+/– Bd6 (22...Qd6 23.Ne4 Qd8 24.Be5 Kg8 25.d6 fe3 26.Bc4 Rf7 27.de7 Qe7 28.Bf7 Nf7 29.Qc8 Qd8 30.Nf6 Kg7 31.Ng4 Kf8 32.Qc5 Kg8 33.Qc4+–) 23.Nec4 Bf5 24.Qb3 b6 (better is 24...b5 25.Nd6 Qd6+=) 25.Nd6= (25.Be5?! Be5 26.Ne5 Re8=) 25...Qd6 26.Ba3 Bc2?? (better is 26...Qd7 27.Bf8 Kf8+–) 27.Bd6 (27.Qc2?! Qa3 28.Qc7 Nf7+/–) 27...Bb3 28.Bf8 (worse is 28.Be5 Kg8 29.ab3 Re8+–) 28...Kf8 29.ab3 (29.ab3 Nf7 30.Rfc1+–) 1–0. Wall,Bill – Small K, internet, 2002.

    5.c3 Bf8

    6.d4 d6 7.Nd2 Bg7 8.Ngf3 Nc6 9.Qb3 Nh6 10.0–0 Bd7 11.Bb5 (11.Qb7? Rb8 12.Qa6 Rb2–+) 11...a6 12.Bd3 Rb8 13.Nc4 Qe7 14.Ne3 Qf7 (14...f5 15.Nd5 Qd8 16.de5 Ne5 17.Ne5 de5 18.f4=) 15.d5= Ne7 16.Ba6 0–0 17.Bd3 (< 17.Bb7 Bc8 18.Bc8 Rb3–+) 17...f5 18.Ng5 Qf6 19.Ne6 (19.Nf3!?=) 19...Be6–/+ 20.de6 f4 (better is 20...fe4!? 21.Be4 c6=+) 21.Nd5+= c6?? (better is 21...Nd5 22.ed5 f3+=) 22.Nf6+– (22…Bf6 23.Ba3+–) 1–0. Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

    6.d4 d6 7.Nd2 Bg7 8.Ngf3 ed4 9.cd4 Ne7 10.0–0=.

    6.d4 d6 7.Nd2 Bg7 8.Ngf3 Nh6 9.0–0 Nc6 10.Rb1 Qe7 (10...f5 11.Qb3=) 11.Ba3 (11.Bd5 Nf7=) 11...Nf7 12.d5 Na5?? (better is 12...Nb8=) 13.Qa4+– (13...Nc6 14.dc6+–) 1–0. Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

    6.d4 d6 7.Nf3 Nc6=.

    6.Ne2 Nc6 7.d4 Na5 8.Bg8 Rg8 9.0–0 (9.de5 Rg7 (9...fe5? 10.Qd5+–) 10.ef6 Qf6=) 9...b6 (9...c6 10.Ba3+=) 10.f4 d6 11.Nd2 Bd7 12.Nf3 Qe7 13.de5 de5 (13...fe5?? 14.Qd5 c6 15.Qg8+–) 14.Kh1 0–0–0 15.Qd5 Be6 16.Qa8 Kd7 17.Rfd1 Ke8 18.Rd8 Qd8 19.Qd8 (19.Qa7? Rg7 20.Ned4 Bc4 21.fe5 c5–+) 19...Kd8 20.fe5 Nc4 21.Rd1 Kc8 22.Ba1 (22.Ned4!? Bd7 23.e6–/+) 22...Ne5 23.Ned4 Bc4 24.Ne5 fe5 25.Nc6 Bd6 26.a4 (26.Rd6 cd6 27.Ne7 Kd7 28.Ng8 Bg8–+) 26...a5 (26...Kb7 27.Nb4–+) 27.Na7 Kb7 28.Nb5 Rd8 29.Bb2 Be7 30.Ra1 (30.Rd8 Bd8 31.Kg1–+) 30...Rd2 31.Ba3 Ba3 32.Na3 Bb3 33.Kg1 Re2 (33...Ba4?! 34.Nc4 Rd1 35.Rd1 Bd1 36.Ne5–+) 34.Kf1 (34.Rb1 Ba4 35.Nc4 Re4 36.Na5 Kc8–+) 34...Re4 35.Nb1 Ba4 36.Nd2 Rf4 37.Ke1 Bc6 Black prepares e4 38.g3 Rf7 39.Nc4 Bb5 40.Ne3 Bd3 41.Kd2 e4 42.Ng4 Rf5 43.Rc1 (43.Rh1 h5 44.Nh6 Rf2 45.Ke3 Rf3 46.Kd2 a4–+) 43...h5 44.Nh6 Rf2 45.Ke3 Rh2 46.Nf7 (46.c4 Re2 47.Kd4 Rg2–+) 46...Re2 47.Kd4 Rg2 48.c4 Rg3 49.c5 bc5 50.Rc5 Kb6 51.Nd8 (51.Rc1 h4–+) 51...h4 (better is 51...Bb5 52.Ne6 e3 53.Ke4–+) 52.Rc6 Kb5 53.Rc5 Ka4 54.Rc7 g5 55.Ne6 g4 56.Nf4 (56.Nc5 Kb5–+) 56...h3 57.Rc3 (57.Rh7–+) 57...h2 58.Kc5 h1Q 59.Nd5 Qg1 60.Kd6 Qd4 61.Rc5 Bc4 0–1. eddy6310 (1740) – gyananidhi, gameknot.com, 2014.

    6.Nf3 c6 7.Qb3 Nh6 8.0–0 b5 9.Be2 Qe7 10.d4 d6 11.Nbd2 Be6 12.d5 Bf7 13.c4 bc4 14.Qa4 Qb7 15.Nc4 Nd7?? (better is 15...a6+/–) 16.dc6+– (16.Qc6?! Qc6 17.dc6 Nc5=) 16...Nc5 (16...Qc7 17.cd7 Kd8+–) 17.cb7 1–0. usingprogram (2000) – mtfan, kurnik, 2012.

    5.Ne2 c6

    6.Nbc3 Bc3 7.Nc3 Ne7 8.0–0 d5 9.ed5 cd5 10.Bb3 d4 11.Ne4 Nd5?? 12.Bd5+– Nc6 13.Bc6 bc6 14.Ba3 Bf5 15.d3 Qd5 16.Nd6 Kd7 17.Nf5 gf5 18.Qf3?? Qf3+/– 19.gf3 Rhg8 20.Kh1 Rg6 21.Rg1 Rag8 22.Rg3 f4 23.Rg6 Rg6 24.Rg1 Ke6 25.Bc5 a6 26.a4 Kd5 27.Rb1?? Kc5–+ 28.a5 Rg7 29.Rb6 Ra7 30.Kg1 Kd5 31.Kf1 c5 32.Rf6 c4 33.Ke2 cd3 34.Kd3 Kc5?? 35.Rf5 Re7 36.c4?? Kb4 37.Rf6 h5?? 38.Ra6+= Rc7? 39.Re6 Rc4 40.Re5 Rc3 41.Kd4 Rf3 42.a6 Rf2 43.Rg5?? Ra2 44.Rg6 f3 45.Rf6 f2= 46.a7 Ra7 47.Rf2 Rh7 48.Rb2 Ka3 49.Rb5 Ka4 50.Rb8 h4 51.Ke4 h3 52.Kf3 Ka3 53.Kg3 Ka4 54.Rg8 Kb4 55.Rg4 Kc5 56.Re4 Kd5 57.Re8 Kd6 58.Re3 Kd5 59.Kg4 Kd6 60.Rh3 Rh3 61.Kh3 Ke6 62.Kg4 Kf7 63.Kg5 Kg7 64.Kh5 Kh7 65.Kg5 Kg7 66.h4 Kh7 67.h5 Kg7 68.h6 Kh7 69.Kh5 Kh8 70.Kg6 Kg8 71.h7 Kh8 72.Kh6 ½–½. bratek55 (1675) – andrzejek054, kurnik, 2011.

    6.Nbc3 Ne7 7.0–0 d5 8.ed5 cd5 9.Bb3 0–0 10.f4 Be6 11.fe5 fe5 12.Ng3 Nbc6 13.Qe1 Rf1 14.Qf1 Qf8 15.a3 Bc5 16.Kh1 Qf1 17.Rf1 Rf8 18.Rf8 Kf8 19.d3 Nd4 20.h3 Nb3 21.cb3 Nf5 22.Nge2 Nd4 23.Nd4 Bd4 24.Nd1 Bb2 25.Nb2 Ke7 26.Kg1 Kd6 27.Kf2 Kc5 28.Ke3 d4 29.Ke4 Bb3 30.Ke5 b5 31.g4 a5 32.h4 b4 33.ab4 ab4 34.g5–/+ Bc2 35.Kf6 b3 36.Kg7?? Bd3 37.Nd3 Kc4 38.Nb2 Kc3 39.Na4 Kc2 40.Kh7 d3 41.h5 gh5 42.g6 d2 43.g7 d1Q 44.g8Q Qd7 45.Kh6 Qa4 46.Qg2 Kc3 47.Qf3 Kb2 48.Qe2 Ka3 49.Kh5 Qa5 50.Kg4 Qb4 51.Kh3 Qc3 52.Kh4 b2 53.Qa6 Kb3 54.Qb5 Qb4 55.Qb4 Kb4 (55...Kb4 56.Kh5 b1Q 57.Kg5 Qd3 58.Kf6 Kc5 59.Ke5 Qe3 60.Kf6 Qf4 61.Ke6 Qe4 62.Kf6 Kd5 63.Kg7 Ke6 64.Kg8 Qg4 65.Kf8 Kf6 66.Ke8 Qc8) 0–1. bratek55 – arnost1 (1620), kurnik, 2011.

    6.Nbc3 Ne7 7.d4 d5 8.ed5 cd5 9.Bb3 e4 10.0–0 f5 11.f3 Nbc6 12.fe4 de4 13.Nf4?? Qd4=+ 14.Qd4 Nd4 15.Rad1? Nb3–+ 16.ab3 0–0 17.Ncd5 Nd5 18.Nd5 Ba5 19.b4? Bd8–+ 20.c4 b6 21.Nf4 Bb7 22.Rd7–/+ Bc8?? 23.Rg7+– Kh8 24.Ra7 (24.Ra7 Bf6 25.Bf6 (25.Ra8?! Bb2 26.Nd5 Kg7+/–) 25...Rf6 26.Ra8+–) 1–0. bratek55 – arnost1 (1610), kurnik, 2011.

    6.Nbc3 Ne7 7.d4 d5 8.ed5 cd5 9.Bb5 Bd7 10.Bd7 Qd7 11.de5 fe5 12.0–0 0–0 13.Ng3 Nbc6 14.a3 Ba5 15.Na4 Qd6 16.c4 d4 17.c5 Qd5 18.Bc1 Rad8 19.Rb1 Rd7 20.Bh6 Rf7 21.Qb3 Bd8 22.Qd5 Nd5 23.Ne4 Be7 24.Nb2? Nf6 25.Nf6 Rf6 26.Rbc1 Rc7 27.Bg5 Rf7 28.Be7 Ne7 29.Nd3 Nc6 30.f3 Rfe7 31.Rfe1 Rc8 32.Nb4 Rce8 33.Nd5 Rd7?? 34.Red1?? Rd5–+ 35.a4 e4 36.fe4 Re4 37.Rb1 Rd7 38.Kf2 d3 39.Kf3 Re2 40.Rd3 Rd3 41.Ke2 Rc3 42.Rb7 Rc5 43.Rb2 Ra5 44.Ra2 Nb4 45.Ra3 Nd5 46.Kd3 Nb6 47.Rc3 Ra4 48.Rc7 Nd5 49.Rb7 Nf4 50.Ke3 Ng2 51.Kf3 Nf4 52.h4 Nd5 53.h5 a5 54.h6 Ra3 (54...Ra3 55.Ke4 Nf6 56.Kf4 Ra4 57.Kf3 Kf8–+) 0–1. bratek55 – arnost1, kurnik, 2011.

    5.Ne2 d6

    6.0–0 Bc5 7.d4 Bd4 (7...Bb6 8.Nbc3=) 8.Nd4 ed4 9.Qd4 Qe7 (9...Nc6 10.Qc3=) 10.Nc3 c6 (10...Nc6!? 11.Qd2 Ne5 12.Bg8 Rg8+=) 11.Ba3+/– c5 12.Qd5 Nc6? (better is 12...a6+/–) 13.Nb5+– Nb4 (13...Be6 14.Qe6 Qe6 15.Be6+–) 14.Nd6 Kf8 15.Qc5 b6 (15...Nc2 16.Nc8 Qc5 17.Bc5 Kg7 18.Na7 Na1 19.Ra1 Ne7+–) 16.Qb4 (16.Qb4 Kg7 17.Qb3+–) 1–0. Janek – tinhho, internet, 2017.

    6.0–0 Nc6 7.c3 Ba5 8.d4 ed4 9.cd4 Nge7 10.d5 Ne5 11.Be5 de5 (11...fe5 12.Qa4 c6 13.dc6 bc6 14.Nbc3+=) 12.Qa4= c6 13.dc6 (13.d6!? Ng8 14.Qb3=) 13...Nc6+= 14.Qb3 Qe7 15.Nbc3 Bc3. Gross,Wilhelm – Keller,Dieter, corr, 1988.

    6.0–0 Nc6 7.d4=.

    5.Ne2 Ne7=+

    6.0–0 d5 7.ed5 Nd5 8.d4 (8.a3 Be7+=) 8...e4 (8...Nb6 9.Bb3 Nc6 10.de5 Qd1 11.Rd1 fe5 12.a3+=) 9.Nbc3 f5?? (better is 9...Nb6 10.Bb3 f5=) 10.Nd5+– Be6 (10...Bd6+–) 11.Bb5 c6 12.Nb4 cb5 (12...Rf8 13.d5 Bd7 14.dc6 bc6 15.Bc4+–) 13.d5 Rg8 (13...Bf7 14.Bh8 a5 15.Qd4+–) 14.de6 Ke7 (14...Qd1 15.Rad1 Nc6 16.Nc6 bc6 17.Rd7+–) 15.Qc1 g5 (15...Ke6 16.Qh6 Qe7 17.Rad1+–) 16.Qe3 (16.Nd4!? Rg6+–) 16...Qd6 17.Qh3 Qb4 (17...h5 18.Rad1 Qe6 19.Nd5 Kf7 20.Nc7+–) 18.Qh7 Kd6 (18...Ke6 19.Qg8 Ke7 20.Bg7+–) 19.Qg8 Qb2 20.Rad1 Kc6 21.e7 1–0. mrkt – Caligula, myChess.de, 2005.

    6.c3 d5 7.ed5 Bc5=.

    6.Nbc3 Bc3 7.Nc3 c6 8.0–0 a6 9.a4 d5 10.ed5 cd5 11.Bb3 0–0 12.Ba3 Nbc6 13.f4 Kh8 14.d3 d4 15.Ne4 Bf5 16.Nd6 b6 17.Nf7+/– Rf7 18.Bf7 e4 19.de4 Be4 20.Re1 f5 21.Rb1 Rb8 22.Bb2 Kg7 23.Bc4 b5 24.ab5 ab5 25.Bd3 Qd5 26.h4 b4 27.h5 Bg2=+ 28.Qe2 Bf3 29.Qf2 Re8 30.Be2 Bh5 31.Bh5 gh5 32.Qh4 Ng6–/+ 33.Qg5 Re4 34.Re4 Qe4 35.Qg2 Qg2 36.Kg2 Nf4 37.Kf3 Ng6 38.Rh1 Kh6?? 39.Re1?? Nce5 40.Kg2 Nc6 41.Re6 Nce7–/+ 42.Bd4 Kg5?? 43.Be3?? Kg4–/+ 44.Rb6?? f4 45.Rb4 (45.Rb4 Nd5 46.Bc5 Nb4 47.Bb4–+) 0–1. bratek55 (1745) – vrg74, kurnik, 2011.

    5.Qf3 Nc6=+

    6.a3 Bc5 7.Ne2 (7.Nc3 Nd4 8.Qd3 a6 9.Nce2 Ne6 10.Be6+=; 7.Nh3 Nh6 8.Nc3 Nd4 9.Qd3 d6 10.0–0–/+; 7.Qd3 d6 8.Nc3 f5 9.Na4 fe4 10.Qd5+=) 7...d6 8.Nbc3 Na5 9.Ba2 b5 10.Rb1+=.

    6.Qb3 Nh6 7.Bd5 Bf8 8.Bc6 bc6 9.Nf3 d5 10.Qc3–/+.

    6.Qb3 Nh6 7.Ne2 Bc5 8.Bd5 Ne7 9.Bc4 a6 10.d4+=.

    6.Qb3 Nh6 7.Nf3 Qe7 8.Be2 d6 9.Nc3 Bc3 10.Bc3+=.

    6.Qb3 Nh6 7.Nf3 Qe7 8.Be2 f5 9.a3 (9.Nc3 Bc5+=) 9...fe4 (9...Bc5!? 10.Nc3 d6+=) 10.Ne5= Ne5 Theme: Deflection from b4 (10...Qe5 11.Be5) 11.ab4 c6 (11...Rf8 12.0–0=) 12.Qe3+= Nhf7 13.Qe4 Rf8 (13...d5 14.Qe3 Rf8 15.Bd4+/–) 14.f4 (14.Qd4 a6+/–) 14...d5+= 15.Qe3 Ng4 (15...Nc4 16.Bc4 dc4 17.Bd4+=) 16.Qg3 (16.Qe7!? Ke7 17.Bd4+=) 16...Nd6 17.d3? (better is 17.0–0 Ne4 18.Qb3+=) 17...Ne3–+ 18.Na3?? (better is 18.Kd2 Nc2 19.Kc2 Qe2 20.Kc1–/+) 18...Ndf5 19.Qf3 Qb4 (19...Qb4 20.Kf2 Qb2–+) 0–1. Baginski,Jozef – Rudnicki,Jozef, corr Poland, 1993.

    6.Bc3 Bc5 7.d3 (7.Ne2 d6 8.Bb5 Bd7 9.Bc6 Bc6 10.d4–/+; 7.Qd3 d6 8.Nf3 f5 9.ef5 Bf5 10.Qe2–/+; 7.Nh3 Nh6 8.0–0 d6 9.d3 Bg4 10.Qg3–+; 7.a3 d6 8.Ne2 Nh6 9.Bd5 Rb8 10.h3–/+) 7...d6 8.Ne2 Nh6 9.Bd2 Bg4 10.Qg3–/+.

    6.Nc3 Na5 7.Bg8 (7.Be2 Bc5 8.Na4 Be7 9.Nc3 Nc6 10.Bc4+=; 7.Bb3 c6 8.Nge2 d6 9.d4 Nb3 10.ab3+=; 7.Bd3 a6 8.a3 Bc5 9.Nge2 d6 10.Na4+=; 7.Bf1 Bc5 8.Rb1 a6 9.Na4 Ba7 10.Be2–/+) 7...Rg8 8.Nd5 Be7 9.d4 d6 10.Qc3+=.

    6.Ne2+= Na5 7.Bb3 (7.Bg8 Rg8 8.0–0 Be7 9.d4 d6 10.Nd2+=; 7.Bd3 Bc5 8.Nbc3 a6 9.Rb1 d6 10.0–0+=) 7...Nb3 8.ab3 Nh6 9.Bc3 Be7 10.d4+=.

    6.Ne2+= Nh6 7.a3 (7.c3 Na5 8.Bb3 Be7 9.d4 d6 10.0–0+=; 7.0–0 Na5 8.Bb3 Nb3 9.Qb3 Ba5 10.f4+=; 7.Nbc3 Na5 8.Bd3 c6 9.0–0 Nf7 10.Rab1+=; 7.Nec3 Nd4 8.Qd1 c6 9.0–0 b5 10.Bb3–/+; 7.Qe3 Ng4 8.Qf3 Na5 9.Bd5 d6 10.h3+=) 7...Bc5 8.Nbc3 d6 9.Na4 Bg4 10.Qd3=.

    6.Nh3 A) 6...d6 7.Ng5 (7.a3 Bc5 8.Ng5 Nh6 9.Ne6 Be6 10.Be6–/+; 7.0–0 Nh6 8.Nc3 f5 9.Rae1 Rf8 10.Bb5–/+; 7.c3 Ba5 8.0–0 f5 9.Bd5 Qf6 10.ef5–/+; 7.Qb3 Nh6 8.0–0 Bc5 9.Qg3 g5 10.Re1–/+; 7.Bd5 Bc5 8.Ng5 Nh6 9.Ne6 Be6 10.Be6–/+) 7...Nh6 8.Ne6 Qe7 9.Qb3 f5 10.a3+=; B) 6...Na5 7.Be2 (7.Bg8 Rg8 8.Bc3 Bc3 9.Nc3 d6 10.Rb1–/+; 7.Bb3 Nb3 8.ab3 c6 9.Ba3 Ba3 10.Ra3–/+) 7...Bc5 8.Nc3 a6 9.0–0 Nc6 10.Na4+=; C) 6...Nh6 7.Nc3 (7.0–0 d6 8.Bb5 Bc5 9.Nc3 Bg4 10.Qg3–/+; 7.a3 Bc5 8.Nc3 Nd4 9.Qd3 d6 10.0–0–/+; 7.Qe3 Ng4 8.Qf3 d6 9.Ng5 Qe7 10.Nf7–/+; 7.Bd5 Bc5 8.c3 d6 9.d4 Bb6 10.0–0+=) 7...f5 8.Nd5 d6 9.Nb4 Nb4 10.Qb3+=; D) 6...Qe7 7.0–0 (7.Nc3 Nd4 8.Qd3 c6 9.0–0 b5 10.Bg8–/+; 7.Bd5 Qd6 8.0–0 Nge7 9.Bc4 Nd4 10.Bd4–/+) 7...d6 8.c3 Bc5 9.Bd5 Bd7 10.Re1+=; E) 6...Bc5 7.0–0 (7.a3 Nh6 8.Nc3 Nd4 9.Qd3 d6 10.0–0–/+; 7.Bd5 Nd4 8.Bd4 Bd4 9.c3 Bc5 10.d3–/+; 7.a4 Nh6 8.0–0 d6 9.Nc3 Bg4 10.Qg3–/+) 7...Na5 8.Be2 d6 9.Rd1 c6 10.Ba3–/+.

    6.Ne2+= d6

    7.0–0 Nh6 8.c3 Bc5 9.d4 Bb6 10.Na3 Qe7 11.Nc2 Nf7 12.h4 (12.d5 Ng5 13.Qd3 Na5 14.Bb5 c6 15.dc6 bc6–/+ (15...Nc6?! 16.Nb4 Bd7 17.Nd5=)) 12...h5 (better is 12...f5!? 13.ef5 Bf5–/+) 13.Ne3= Be6?? (13...Bg4 14.Ng4 hg4 15.Qg4 f5 16.Qg6 fe4+/–) 14.Be6+– Qe6 15.d5 Qe7 16.dc6 bc6 17.Ba3 0–0–0 (17...Be3 18.fe3 g5 19.Ng3+/–) 18.Nc4 (18.Rfb1 g5+–) 18...g5 (18...Qe6 19.Qd3+/–) 19.Ng3 gh4 20.Nh5 Rh6 (20...Ng5 21.Nb6 ab6 22.Qf6 Qf6 23.Nf6+/–) 21.Ng7 (21.Bc1!? Ng5 22.Qg4 Qd7 23.Nf6 Nh3 24.gh3 Rf6 25.Nb6 cb6+–) 21...Ng5 22.Qg4 (22.Nb6?! Kb8 23.Qe3 Qg7+=) 22...Qd7 23.Qd7 (better is 23.Nf5!? Rh7 24.Bc1+–) 23...Rd7 24.Nb6 ab6 25.Nf5 Rh5 26.f3 d5 27.Rad1 Rhh7 28.Bc1 Ne6 29.Be3 Kb7 30.Rf2 h3 31.g3 (31.Rfd2 hg2 32.Kg2 Rd8+/–) 31...de4 (31...d4 32.cd4 Nd4 33.Bd4+/– (worse is 33.Nd4 c5+=)) 32.Rd7 Rd7 33.fe4 Rd3 34.Rc2 Ng7 35.Ng7 Re3 36.Nh5 Re4 37.Nf6 Re1 38.Kh2 e4 39.Kh3 c5? (39...e3 40.Nh5 Rd1+–) 40.Kg2 e3 41.Ng4 b5 42.Kf3 1–0. Argitis,S – Balaskas,Panayotis (2195), Attica–ch op, 2003.

    7.a3 Bc5 8.Nbc3 Nh6 9.Na4 Bg4 10.Qd3=.

    7.Ba3 a5 8.c3 Ba3 9.Na3 Nh6 10.d4+=.

    7.Qb3 Nh6 8.Bd5 Bc5 9.Bc6 bc6 10.d4+=.

    7.c3 Ba5 8.Ng3 h5 9.h3 h4 10.Nf1+=.

    7.Nbc3 Nh6 8.Nd5 f5 9.Nb4 Nb4 10.Qc3+=.

    7.Bd5 Nh6 8.c3 Ba5 9.0–0 Bg4 10.Qe3+=.

    7.Ng3 Na5 8.Be2 h5 9.c3 Bg4 10.Qd3+=.

    5.Qf3 Qe7

    6.a3 Bc5 7.Ne2 (7.Nc3 c6 8.Na4 Bd6 9.Qb3 Nh6 10.Qe3+=) 7...d6 8.Nbc3 c6 9.Na4 Nd7 10.Bb3+=.

    6.Qb3 A) 6...Nh6 7.Nc3 c6 8.Nf3 Bc5 9.a4 d6 10.a5+=; B) 6...Qf8 7.c3 (7.a3 Bc5 8.Nc3 Nc6 9.Nd5 Kd8 10.Qd3+=; 7.Nf3 Nc6 8.Bc3 Bc5 9.0–0 Rb8 10.Rd1+=; 7.Nc3 Nc6 8.Nd5 Na5 9.Qd3 Bd6 10.Ne2+=) 7...Bd6 8.d4 Nc6 9.Bd3 f5 10.Nd2=; C) 6...Nc6 7.a3 Na5 8.Bf7 Qf7 9.Qf7 Kf7 10.ab4+=.

    6.c3 A) 6...Bc5 7.d4 (7.Ne2 d6 8.d4 Bb6 9.a4 Nc6 10.Bb5+=) 7...Bb6 8.Ne2 Nc6 9.0–0 d6 10.d5+=; B) 6...Ba5 7.Ne2 (7.d3 Nc6 8.Ne2 Bb6 9.0–0 d6 10.Bc1+=; 7.Nh3 d6 8.0–0 Nc6 9.d3 f5 10.Bc1–/+; 7.Bc1 a6 8.Ne2 b5 9.Bd5 c6 10.Bb3+=; 7.Na3 d6 8.Ne2 c6 9.Bb3 f5 10.ef5+=; 7.Qe2 Nc6 8.Nf3 d6 9.0–0 f5 10.ef5+=; 7.Qe3 Nc6 8.Nf3 f5 9.ef5 gf5 10.d3–/+; 7.a3 c6 8.d3 b5 9.Bb3 Na6 10.Nd2–/+; 7.h4 d6 8.h5 g5 9.Ne2 Nh6 10.Ng3–/+) 7...d6 8.0–0 f5 9.ef5 gf5 10.d4+=.

    6.Nc3 c6+= 7.Nge2 (7.a3 Ba5 8.Rb1 f5 9.Qe2 d6 10.f4+=) 7...Qg7 (7...d6 8.a3 Bc5 9.Na4+= Nd7 10.0–0+=) 8.0–0–0 (8.0–0 f5 9.a3 Be7 10.Qg3=). Muivid – Chubukin, corr, 1967.

    6.Ne2 A) 6...c6 7.0–0 (7.c3 Ba5 8.Bb3 d6 9.0–0 f5 10.ef5+=) 7...b5 8.Bb3 Bc5 9.d4 ed4 10.Nd4=; B) 6...Nc6= 7.Nbc3 (7.a3 Ba5 8.Nbc3 Bc3 9.Qc3 d6 10.f4=) 7...Bc3 8.Bc3 Rb8 9.Rb1 d6 10.Qe3=; C) 6...a6 7.Nbc3 (7.a3 Bc5 8.Nbc3 c6 9.a4 d6 10.a5+=; 7.c3 Ba5 8.d3 b5 9.Bd5 c6 10.Bb3+=) 7...c6 8.0–0 d6 9.d4 Nd7 10.Bb3=; D) 6...b6 7.0–0 (7.c3 Bd6 8.d3 Bb7 9.Qh3 Nc6 10.0–0+=) 7...Bb7 8.Nbc3 a6 9.Rfd1 Bc3 10.Bc3=; E) 6...Qg7 7.a3 (7.0–0 Nc6 8.a3 Bc5 9.Nbc3 Nge7 10.Na4=; 7.c3 Be7 8.d4 d6 9.0–0 Nh6 10.Bc1=; 7.Nbc3 c6 8.0–0 d6 9.d4 Nd7 10.Bb3=) 7...Bc5 8.0–0 Nc6 9.Nbc3 Nge7 10.Na4=; F) 6...Ba5 7.0–0 (7.a3 c6 8.Bc3 Bc3 9.Nec3 d6 10.0–0–/+; 7.Qb3 Nh6 8.0–0 f5 9.Qh3 Qg7 10.d4=; 7.Nbc3 c6 8.Bb3 d6 9.Rb1 Na6 10.0–0+=; 7.Nec3 c6 8.Qd3 d6 9.Ba3 Bc7 10.0–0+=) 7...Nc6 8.Nbc3 Qb4 9.Bb3 f5 10.ef5=; G) 6...Bc5 7.Nbc3 c6 8.Na4 Bd6 9.Nac3 b5 10.Bb3+=.

    5.f4 d6

    6.c3 Ba5 7.Ne2 Ne7 8.fe5 de5 9.0–0 Qd6 (9...Bb6 10.d4 Rf8 11.Nd2+=) 10.d4= Be6?? (better is 10...Qc6 11.Qd3 Nd7=) 11.Rf6+– ed4?? (better is 11...Bc4 12.Rd6 cd6 13.Qa4 b5 14.Qa5 Be2+–) 12.Re6 Qc5 13.Qa4 c6 (13...Nbc6 14.Ba3 Qb6 15.Be7+–) 14.Ba3 b5 (14...Qb6 15.cd4 Kd8 16.Be7 Kc8 17.Na3+–) 15.Bc5 ba4 16.Re7 Kd8 17.Nd4 Nd7 (17...h6 18.Na3 Re8 19.Nc6 Kc8 20.Be6 Nd7 21.Bd7 Kb7 22.Na5 Ka6 23.Bb5 Ka5 24.Rb1 Re7 25.Nc4) 18.Ne6 Kc8 19.Ba6 Kb8 1–0. usingprogram (2020) – buli1978, kurnik, 2013.

    6.Ne2 Nc6 7.0–0 Bg4 8.c3 Bc5 9.d4 Bb6 10.Kh1 Qd7 11.h3 Bh3 12.gh3 Qh3 13.Kg1 0–0–0 14.Qd3 Qh6 (14...Qd7 15.Bb5+/–) 15.Kg2 ef4 (15...Kb8!?+/–) 16.Nf4+– Nge7 (better is 16...f5 17.Ne6 fe4 18.Qe4 Re8+–) 17.Ne6 Rdg8 (17...d5 18.Rh1 dc4+–) 18.Rh1 (18.Rf6?! Nf5 19.Bb3 Ne3 20.Kg3 Nf5 21.Kg2 Ne3 22.Kg3 Nf5 23.Kg2=) 18...Qh1 19.Kh1 h5 20.Qh3 f5 21.Nf4 g5 (21...Rf8 22.ef5 gf5 23.Nd2+–) 22.Bg8 g4 (22...Rg8 23.Nd5 Rf8+–) 23.Be6 Kb8 24.Qh4 fe4 25.d5 Ne5 26.Qe7 h4 27.c4 g3 28.Be5 de5 29.Ng6 g2 30.Kg2 (30…h3 31.Kh2+–) 1–0. orane (2115) – maxangst (2060), Live Game Caissa's Web, 2004.

    6.Ne2 Nc6 7.c3 Ba5 8.Qb3+=.

    6.Ne2 Qe7 7.c3 Ba5 (better is 7...Bc5!?+=) 8.Qa4+/– Nc6 9.Bb5 Bb6? (better is 9...Qd7!? 10.fe5 de5 11.Bc6 Qc6 12.Qa5 Qe4+=) 10.Bc6+– Bd7 (10...Kd8 11.Bd5+–) 11.Bd7 Qd7 12.Qd7 Kd7 13.a4 a6 (13...c6 14.c4+–) 14.a5 (14.Rf1 Re8+–) 14...Ba7 15.d3 (15.Rf1 Re8+–) 15...Nh6 (15...b6 16.Nd2+–) 16.h3 (16.Bc1 Ng4 17.d4 ed4 18.cd4 f5+–) 16...Rae8 (16...f5 17.c4 Rae8 18.Nbc3+–) 17.Rf1 (17.Bc1 f5 18.fe5 Nf7 19.ef5 Ne5+–) 17...Kc8 (17...f5 18.Nd2+–) 18.fe5 fe5 19.Bc1 Ng8 20.Na3 Ne7 21.Bh6 d5 (21...Nc6 22.Nc2+–) 22.Rf7 de4 23.de4 Bc5 (23...Nc6 24.Nc4+–) 24.Bg7 Rhg8 25.Be5 Bd6 (25...Ba3 26.Ra3 h5+–) 26.Bd6 cd6 27.Nc4 Kc7 28.Nd4 Kb8 (28...d5 29.ed5 Kb8 30.Nd6 Nd5 31.Ne8 Re8 32.Kd2+–) 29.Rb1 h5 (29...Kc7 30.Rb6 h6+–) 30.Nc6! Nc6 31.Rbb7 Demolishes the pawn shield 1–0. pierre_d – Super Frank, ChessWorld.net, 2005.

    6.Nf3 Bc5 7.d4= ed4 8.Bd4 Bg4 (8...Bd4 9.Nd4 Ne7 10.0–0=) 9.Bc5= dc5 10.Nbd2 Bf3 11.Qf3 Qd4 (11...Nc6!?=) 12.c3 Qd6? (better is 12...Qd7+/–) 13.e5+– Qc6 (13...Qd8 14.Qb7 Nd7 15.Qd5 Ne5 16.fe5 Qd5 17.Bd5+–) 14.Bd5 1–0. usingprogram (2050) – singapore, kurnik, 2013.

    6.Nf3 Nc6 7.c3 Ba5 8.0–0 (8.fe5 fe5 9.Qb3 Nf6–/+) 8...Qe7 (8...ef4 9.d4+=) 9.Na3 (9.fe5 fe5 10.d3 Bb6 11.Kh1 Nf6+=) 9...a6 (9...ef4 10.d4+=) 10.Bd5= Bb6 (worse is 10...ef4 11.Nc4 Bb6 12.Nb6 cb6 13.Qb3+=) 11.d4 ed4 (11...ef4 12.Nc4 Ba7 13.Rb1=) 12.cd4 Be6 (12...Rb8 13.Bc3=) 13.Nc4 Ba7 14.Qb3 0–0–0?? (better is 14...Rb8=) 15.Be6+– Kb8 16.Bd5 Qd7 17.Bc3 (17.Rab1 Nge7 18.Ba1 b5+–) 17...Nge7 (17...Ka8 18.Na5 Na5 19.Ba5+–) 18.Rab1 b6 (18...b5 19.a4 Nd5 20.ed5+–) 19.Bc6 Nc6 (19...Qc6 20.d5 Qd7 21.Bf6+–) 20.d5 Ne7 21.Bf6 Kc8 (21...Rhe8 22.Qa3 Kb7 23.Rfc1 b5 24.Bd4+–) 22.Bh8 Rh8 23.Ng5 Rf8 (23...Re8 24.Qa3 Kb7 25.Ne6+–) 24.Ne6 (24.Nh7 Rh8 25.Nf6 b5 26.Kh1 Qd8+–) 24...Rf7 (24...Rf6 25.Rfc1 Kb8 26.Qh3+–) 25.Qa3 b5 26.Kh1 bc4 (26...Kb7+–) 27.Qa6 1–0. Janek – Trenkat, internet free game, 2017.

    6.Nf3 ef4 7.0–0+=.

    6.f5 c6 7.a3 Bc5 8.Nc3? Bd4?? 9.Nf3 Bc3 10.Bc3 d5 11.ed5 cd5 12.Bb5 Bd7 13.Rb1 a6 14.Bd7= Qd7 15.0–0 gf5?? 16.Nh4?? f4 17.Qh5 Kd8 18.d4 Nc6 19.de5 fe5?? 20.Be5+– Ne5 21.Qe5 1–0. orangutanb4 (1910) – lojzek (1815), kurnik, 2011.

    5.f4 Bd6

    6.Ne2 Nc6 A) 7.fe5 Ne5 (7...fe5 8.0–0 Nf6 9.Nbc3 Bc5 10.Kh1 Rf8 11.d4 ed4 12.Na4 Be7) 8.Be5 fe5 9.0–0 Nf6 10.Nbc3 Rf8 11.d4 Ng4 12.Nb5 Ne3; B) 7.0–0 Nge7 (7...Na5 8.Bd5 ef4 9.Nf4 c6 10.Bb3 Qb6 11.Kh1 Nb3 12.ab3 Qc7; 7...Bc5 8.Kh1 Nh6 9.d4 Ng4 10.dc5 Ne3 11.Qd3 Nf1 12.Na3 Nh2; 7...Kf8 8.fe5 Ne5 9.Be5 Be5 10.d4 Bd6 11.Nbc3 Kg7 12.e5 Be7) 8.d4 ed4 9.Bd4 Nd4 10.Nd4 Bc5 11.Nc3 Nc6 12.Nce2 Qe7.

    6.Ne2 Qe7 7.Nbc3 (better is 7.0–0=) 7...ef4?? (better is 7...c6+=) 8.Bg8+/– Rg8 9.Nd5 Qe4 1–0. guestfrdc – guestbxgy, internet free game, 2018.

    6.Ne2 ef4 7.0–0 Nc6 (7...c6 8.d4+= Qc7 9.a4 Ne7 10.Nbc3 Na6 11.Qd2 g5 12.Rab1 h5; 7...Qe7 8.Nbc3 f3 9.Rf3 Qe5 10.Kf1 Qh2 11.Nd5 Qh1 12.Ng1 Bh2; 7...b5 8.Bb5 Na6 9.Bc4 Rb8 10.Bd4 c5 11.Bc3 Qc7 12.Na3 Be5) 8.Nf4= Na5?? (better is 8...Ne5 9.Be2 (9.Bb3 Nh6 10.h3 c6 11.d4 Nef7 12.Nd3 0–0) 9...b5= (9...Ne7 10.d4 N5c6 11.Nc3 0–0 12.Bc4 Kh8) 10.Na3 Ba3 11.Ba3 Bb7 12.Bb5 c6) 9.Bg8+– Rg8 10.Nd5 c6 (10...Nc6 11.Nf6 Ke7+–) 11.Bf6 (11.Bf6 cd5 12.Bd8 Kd8 13.Qg4 Bc5 14.Kh1+–) 1–0. pierre – znak, internet, 2011.

    6.fe5 fe5 7.Nc3 Nc6 (7...Nf6 8.Nh3 Nc6 9.0–0 Bc5 10.Kh1 Rf8 11.Qe1 Ng4 12.Qg3 d6) 8.Nf3 Nf6 9.Nb5 Rf8 10.Nd6 cd6 11.Qe2 b5 12.Bb5 Qb6.

    6.fe5 fe5 7.Nf3 Nf6 8.0–0 b5 9.Bd5 Nd5 10.ed5 0–0 11.Ne5 c6 12.Ng4 Bc5.

    5.f4 ef4

    6.Ne2 Bd6 7.0–0 Nc6 8.Nf4 Bf4 9.Rf4 Ne5 10.Bb3 d6 11.d4 Nf7 12.Qf1 Bd7 13.e5 de5 14.de5 Qe7 15.ef6 Qc5 16.Kh1 Ngh6+/– 17.Ba3 Qe5 18.Nd2 0–0–0 19.Nc4 Qh5 20.Be7 Rde8 21.Rd1 Bc6 22.Na5?? Ng4?? 23.Rg4 Qg4 24.Bf7 Bg2= 25.Qg2 Qd1 26.Qg1 Qg1 27.Kg1+– c6?? 28.Be8 Re8 29.f7 Kd7 30.f8Q Rf8 31.Bf8 b6 32.Nc4 Ke6 33.Bh6 Kd5 34.Ne3 Ke4 35.Kf2 b5 36.Ke2 a5 37.Kd2 a4 38.c3 Kf3 39.Nc2 c5 40.Ne3 Ke4 41.Ng4 Kf3 42.Nf6 Kg2 0–1. nizinna – fshutslonca (1720), kurnik, 2011.

    6.Nf3 Nc6 7.0–0 Na5 8.Qe2 Qe7 9.Kh1 Nc4 10.Qc4 Qc5 11.Qb3 g5 (11...Qd6 12.Bd4–/+) 12.e5 (12.Ng5 Qg5 13.Qb4 Ne7=) 12...Nh6 (12...fe5 13.Be5 d5 14.Bh8 h6+–) 13.ef6= Rf8 (better is 13...Nf7=) 14.c3 Ng4 (14...Rf6 15.cb4 Qb5+–) 15.Qb4?? (15.cb4 Nf2 16.Rf2 Qf2 17.Na3+/–) 15...Nf2 16.Rf2! Qf2 A deflection (16...Qb4 17.cb4 g4+–) 17.Qe7 1–0. Goebgens – Gross,Wilhelm, corr, 1988.

    6.Nf3 Bd6 7.0–0 a6 8.d4 (8.Qe2 Qe7 9.e5 Bc5 10.Kh1 Kd8 11.Nc3=; 8.e5 Bc5 9.d4 Be7 10.Qe2 d5 11.ed6+=; 8.a4 Nc6 9.d4 Nh6 10.Ne1 Na5 11.Ba2+=; 8.Qe1 b5 9.e5 Bc5 10.d4 bc4 11.dc5+=) 8...b5 (8...Nc6 9.Nbd2 b5 10.Bb3 Bb7 11.c4+=) 9.Bb3 (9.Bd5 Nc6 10.e5 fe5 11.Ne5+=) 9...Ne7 (9...Bb7!?+= 10.e5 fe5 11.Ne5+=) 10.e5= fe5 11.Ne5 (11.Ng5!? Rf8 12.Nh7=) 11...Rf8+= 12.Qg4 (12.Bc1+=) 12...Ra7 (better is 12...Be5 13.de5 d5–/+) 13.Rf4+= c5? (better is 13...Nf5+=) 14.Rf8+– Kf8 15.Nd2 (15.Qf3 Nf5 16.Qd5+–) 15...c4+= 16.Ndc4 (better is 16.Qg5!? Be5 17.Qe5+=) 16...bc4+= 17.Bc4 (17.Rf1 Ke8 18.Nc4+= (worse is 18.Bc4 Qa5+=)) 17...Bb4?? (better is 17...Be5 18.Rf1 Nf5 19.de5 Ke8–/+) 18.Rf1+– Kg7 19.Nf7 (19.Rf7 Kg8 20.Qh3 h5 21.Re7 d5 22.Bd5 Qd5 23.Qc8 Qd8 24.Qd8) 19...Qb6+– 20.Kh1?? (better is 20.Qf4 Nf5 21.Qe5 Kf8 22.Qh8 Ke7 23.c3+–) 20...d5–+ 21.Qe2 Be6?? (better is 21...Bf5 22.Bd3 Kf7–+) 22.Qe5+– Kg8 (22...Kf8 23.Ng5 Ke8 24.Ne6 dc4 25.Rf8 Kd7 26.Rb8 Qe6 27.Rd8 Kd8 28.Qe6 c3+–) 23.Qh8 1–0. Trkn – Steve Gerrity, itsyourturn.com, 2000.

    6.Nf3 Bd6 7.0–0 c6 8.Bb3 (8.Bd4 Qe7 9.Bf2 Nh6 10.Bb3 b6 11.a4–/+; 8.d4 Bc7 9.Re1 d6 10.Bc1 Ba5 11.c3+=; 8.Qe2 Qb6 9.Bd4 Bc5 10.Bc5 Qc5 11.d4+=; 8.d3 Qb6 9.Bd4 Bc5 10.c3 Ne7 11.a4+=; 8.Qe1 Qb6 9.Bd4 Bc5 10.Qf2 Bd4 11.Nd4+=; 8.a4 Qb6 9.Bd4 Bc5 10.c3 Ne7 11.a5+=; 8.a3 Qb6 9.Bd4 Bc5 10.c3 d6 11.d3+=) 8...Bc7 9.Qe1 Qe7 10.e5 Bb6 11.Kh1=.

    6.Nf3 Bd6 7.0–0 Nc6 8.Kh1 (8.Qe2 Ne5 9.Bb3 Nf3 10.Qf3 Qe7 11.d4+=; 8.d3 Nh6 9.Nc3 Ng4 10.Nd5 Nb4 11.Nb4–/+; 8.a3 a6 9.Bd5 Ne5 10.Kh1 Ne7 11.Ba2–/+; 8.Nc3 a6 9.Rb1 b5 10.Bb3 Bb7 11.a4+=; 8.d4 a6 9.Nbd2 b5 10.Bb3 Na5 11.c4+=; 8.Na3 Qe7 9.Nb5 Bc5 10.d4 Bb6 11.Bd5+=; 8.Bd5 Nh6 9.Na3 Be7 10.Ne1 Ne5 11.Bb3+=) 8...a6 9.Qe2 Qe7 10.Nc3 Qf8 11.Nd5+=.

    6.Nf3 Bd6 7.0–0 Nh6 8.Qe1 (8.e5 fe5 9.Ne5 Rf8 10.Nd3 Nf5 11.Nc3+=; 8.Nc3 Ng4 9.Kh1 Nc6 10.Nd5 Na5 11.Bd3+=; 8.Qe2 Qe7 9.e5 fe5 10.Ne5 Rf8 11.Re1+=; 8.a4 Nc6 9.Bd5 Ng4 10.Qe2 Qe7 11.Na3–/+; 8.Re1 Nc6 9.e5 fe5 10.Ne5 Be5 11.Be5+=; 8.Bb3 Nc6 9.Nc3 Ng8 10.Nd5 a5 11.a4+=; 8.a3 Ng4 9.Nd4 h5 10.h3 Ne5 11.Be2–/+) 8...Qe7 9.Qh4 Ng8 10.Bg8 Rg8 11.Bf6+=.

    6.Nf3 Bd6 7.d3 Nh6 8.Nfd2 (8.h3 Nc6 9.0–0 Na5 10.Bd5 c6 11.Bb3–/+) 8...Nc6 9.d4 Rb8 10.0–0 Qe7 11.Nc3+=.

    6.Nf3 Bd6 7.d4 A) 7...c6 8.0–0 Bc7 9.Qe2 Qe7 10.Qd2 Nh6 11.Ba3+=; B) 7...Nh6 8.Qe2 (8.Qd3 Ng4 9.Bc1 Nc6 10.0–0 Na5 11.Bb3+=; 8.Bc1 Ng4 9.Qe2 Qe7 10.0–0 b6 11.Bd2+=; 8.Nfd2 Nc6 9.0–0 Qe7 10.Nb3 Kd8 11.N1d2+=) 8...Ng4 9.Bc1 Nc6 10.0–0 a6 11.h3+=; C) 7...b6 8.Nfd2 (8.Qe2 Nc6 9.0–0 Nge7 10.Nbd2 a6 11.Bd3+=; 8.0–0 Ba6 9.Ba6 Na6 10.e5 fe5 11.Ne5+=; 8.Bd3 Nh6 9.Qe2 Bb7 10.0–0 Ng4 11.Bc1+=; 8.Qd3 Nc6 9.0–0 Na5 10.Bb3 Bb7 11.Nc3+=; 8.Nbd2 Nh6 9.Nh4 Bb7 10.0–0 Qe7 11.Re1–/+) 8...Bb7 9.0–0 a6 10.Bb3 Nc6 11.Nc4+=; D) 7...Nc6 8.0–0 (8.Nbd2 Nh6 9.h3 Rb8 10.0–0 Qe7 11.Bd5–/+; 8.Qd2 Nge7 9.0–0 a6 10.a4 g5 11.a5+=; 8.Nc3 a6 9.0–0 b5 10.Bd3 Bb7 11.a4+=; 8.Bc1 Rb8 9.0–0 b5 10.Bd3 a6 11.a4+=) 8...a6 9.Nbd2 b5 10.Bb3 Na5 11.Qe1+=; E) 7...Qe7 8.0–0 (8.Qe2 c6 9.0–0 Bc7 10.Ba3 d6 11.e5+=; 8.Qd3 Nc6 9.0–0 a6 10.a4 b6 11.Nc3+=) 8...Nh6 9.Qe2 Ng4 10.Bc1 a6 11.a4+=; F) 7...Ne7 8.Nbd2 (8.0–0 Nbc6 9.Qe1 g5 10.e5 fe5 11.Ng5+=) 8...Nbc6 9.0–0 Na5 10.Bd3 b6 11.Nb3+=; G) 7...a6 8.0–0 (8.a4 Nh6 9.Bc1 Ng4 10.Qe2 Nc6 11.0–0+=; 8.Bd3 Nh6 9.Qd2 Ng4 10.Nc3 Ne3 11.Nd1+=; 8.Nbd2 Nh6 9.Bb3 Ng4 10.Qe2 Nc6 11.0–0–/+) 8...Nc6 9.Nbd2 b5 10.Bb3 Na5 11.c4+=.

    6.Nf3 Qe7 7.Qe2–/+ A) 7...c6 8.a3 (8.e5 Kd8 9.Bg8 Rg8 10.ef6 Qe2 11.Ke2 Re8–/+) 8...Ba5 9.e5 f5 10.a4 Na6 11.0–0+=; B) 7...Nc6 8.a3 (8.Nc3 Bc3 9.Bc3 Ne5 10.Bb3 d6 11.Rb1–/+; 8.e5 Kd8 9.Bg8 Rg8 10.ef6 Qe2 11.Ke2 Re8+=; 8.c3 Bd6 9.d4 a6 10.Bd5 Na5 11.0–0–/+; 8.Bd5 Qc5 9.c3 Ba5 10.Ba3 Qb6 11.e5+=; 8.0–0 Na5 9.Bd4 c5 10.Bg8 cd4 11.Bd5–/+) 8...Ba5 9.e5 Kd8 10.Kd1 Qf8 11.ef6+=; C) 7...d6 8.0–0 (8.Bg8 Rg8 9.Qc4 d5 10.Qd5 Rg7 11.0–0+=) 8...Nc6 9.Nc3 Bc3 10.Bc3 Ne5 11.Ne5+=.

    4...h5

    5.Nf3 Nc6 A) 6.c3 Be7 (6...Bd6 7.0–0 Na5 8.Bd3 Ne7 9.Na3 b6 10.Nc4 Nc4 11.Bc4 Bb7; 6...Ba5 7.0–0 Nge7 8.d4 b5 9.Bb5 Rb8 10.Qe2 Bb6 11.Nbd2 a6) 7.Nh4 Bc5 8.Ng6 Rh6 9.Qb3 Rg6 10.Bf7 Kf8 11.Bg6 Nh6; B) 6.Nc3 Bc3 (6...Nge7 7.a3 Bc3 8.dc3 Na5 9.Ba2 b6 10.Qe2 Ng6 11.0–0 Nf4; 6...Na5 7.Bd3 Ne7 8.0–0 0–0 9.Qe2 Rf7 10.Nh4 d6 11.Qh5 Be6; 6...h4 7.h3 Nge7 8.0–0 Na5 9.Bb5 c6 10.Bd3 d5 11.Qe2 d4; 6...d6 7.0–0 Nge7 8.a3 Bc3 9.dc3 Bd7 10.Qd3 Qc8 11.Rab1 Na5) 7.dc3 Nge7 8.0–0 Na5 9.Bb5 Kf7 10.Qe2 d6 11.Bc1 Be6; C) 6.a3 Bc5 (6...Ba5 7.Nc3 Nge7 8.0–0 d6 9.h3 Bb6 10.Qe2 Nd4 11.Nd4 Bd4) 7.Nc3 Nge7 8.0–0 b6 9.h3 Na5 10.Ba2 Bb7 11.Re1 Nec6.

    5.Nf3 Ne7

    6.0–0 d5 7.ed5 Nd5 8.a3 Ba5 9.d4 e4 10.Qe2 f5 11.Nbd2 Nc6.

    6.a3 Ba5 7.0–0 c6 8.Qe2 d6 (8...d5 9.Bb3=) 9.Nc3 (9.d4!?+/–) 9...Bg4= 10.h3 Bf3 11.Qf3 (worse is 11.gf3 Qd7 12.Kh2 Ng6–+) 11...Ng6 (11...Nd7!?+=) 12.Qg3 Rh6 13.Bc1 (13.d4 ed4 14.Ne2 h4+/–) 13...Qe7 (13...Qd7!? 14.d4 Nf4+=) 14.Ne2+/– Nf8 15.d4 g5 (15...Rg6!? 16.Qf3 h4+/–) 16.Qb3+– Bb6? (better is 16...b5 17.Bb5! Qb7+–) 17.Ng3 Rh7 18.Nf5 Qd7 (18...Qc7 19.de5 de5 20.Rd1+–) 19.de5 de5 20.Bb2 (better is 20.Be3 Qc7 21.Rad1 Nbd7 22.Nd6 Kd8+–) 20...Bd4 (20...Qc7 21.Rad1 Bc5+–) 21.Rad1 c5 (21...Qc7 22.Bd4 ed4 23.Rd4+–) 22.c3 Nc6 23.Bg8 Rh8 (23...0–0–0 24.cd4 (24.Nd4?! ed4 25.cd4 cd4+–) 24...cd4 25.Rc1+–) 24.cd4 (24.Bf7 Kd8+–) 24...Nd4 (24...cd4 25.Bf7! Kd8 26.a4+–) 25.Bf7! Kd8 (25...Qf7 26.Nd6 Double attack (26.Nd6 Decoy)) 26.Bd4 ed4 27.Bd5 Rb8 (27...Rc8 28.Rd2+–) 28.Rd2 1–0. Adlai – Kleot, corr, 2018.

    6.a3 Ba5 7.0–0 (7.Nc3 c6 8.0–0 d5 9.Bd3 0–0 10.h3 Na6 11.ed5 Nd5) 7...d6 (7...c6 8.d4 d5 9.ed5 e4 10.d6 Qd6 11.Nfd2 f5) 8.Nc3 (8.d4 c5 9.dc5 dc5 10.Qc1 Nbc6 11.Rd1 Nd4) 8...c6 (8...Bc3 9.Bc3 d5 10.ed5 Nd5 11.Qe2 Nc6) 9.d4 (9.Qe2 Nd7 10.d4 Ng6 11.Rad1 Qe7) 9...Ng6 (9...Nd7 10.Qe2 Ng6 11.Qe3 Qe7) 10.Qd3 (10.h3 Nd7 11.a4 ed4) 10...Nf4 11.Qe3 Bb6 (11...Nd7+=) 12.Ne2 g5 13.Nf4 gf4 14.Qb3 h4 15.Rad1 Qe7 16.h3 Qg7 17.Be6 Nd7 18.a4 Bc7 19.Rd3 Nf8? (better is 19...Rb8 20.Rfd1 d5 21.de5 fe5+=) 20.Bc8+– Rc8 21.Qb7 Nd7?? (better is 21...Qd7 22.Qa7 Rg8 23.Nh4 Rh8+–) 22.Qc8 Ke7 (22...Bd8 23.de5 fe5 24.Rd6 Rh6 25.Rh6 Qh6+–) 23.Qc7 Rg8 24.Nh4 Qg5 25.Nf5 Ke8 26.Qc8 (26.Qc8 Kf7 27.Qd7 Kg6 28.Ne7 Kh5 29.Ng8 Qg8 30.Qd6+–) 1–0. marekt – RibeirodaSilvaLuiz, chessworld, 2011.

    6.a3 Bc5 7.Nc3 Nbc6 8.0–0 b6 9.Qe2 Bb7 10.Qd3 Nd4 11.Nd4 Bd4.

    6.c3 Ba5 7.d4 d5 8.ed5 e4 9.Nfd2 Nd5 10.Ne4 f5 11.Nc5 b6.

    6.c3 Bc5 7.d4 ed4 8.cd4 Bb4 9.Bc3 Nbc6 10.Qa4 Bc3 11.Nc3 h4.

    6.c3 Bd6 7.0–0 Nbc6 8.Na3 Na5 9.Be2 b6 10.d4 Bb7 11.de5 fe5.

    4...Nh6

    5.c3 Bf8 6.d4+=.

    5.Nf3 c6+= 6.0–0 b5 7.Bb3 d6 (7...d5 8.a3 Ba5 9.ed5=) 8.Nc3 Bg4 9.h3 Bh5 10.a4 ba4 11.Ra4 a5 12.Qe2 Nd7 13.Raa1 Nc5 14.Bc4 Nf7 15.Qe3 Bf3 16.Qf3 (better is 16.Bf7!? Kf7 17.Qf3–/+) 16...Ng5–+ 17.Qh5 g6 18.Qh6 Bc3 19.Bc3 Qc7 (19...Nce4!? 20.Qg7 Rf8–/+) 20.d3+= Nce6 21.h4 Nf4 22.hg5 Ne2 23.Kh1 Nc3 24.gf6 d5 25.ed5 cd5 26.Qg5?? (26.Ra3 Qd6 27.Rc3 dc4 28.Rc4 Qf6 29.Re1+/–) Kf7?? (26...Kf7 27.Ra3 h6+=; better is 26...dc4 27.f4 e4 28.de4 a4–+ (28...Ne4?! 29.Rfe1 0–0 30.Qd5 Qf7 31.Qf7 Kf7 32.Re4+=)) 0–1. Maurer,W – Diener,Rudolf, corr SOK–89–43, 1989.

    5.f4 ef4 6.Qh5 Kf8 (6...Ke7 7.a3 (7.e5 Qe8 8.ef6 Kd8 9.Qe2 Qg6 10.Bd3=; 7.Ne2 Qe8 8.Qf3 Nc6 9.a3 Bd6 10.d4+=; 7.Nh3 d5 8.Nf4 dc4 9.Nd5 Kd7 10.Nb4+=) 7...d5 8.Bd5 c6 9.Bc4 Bg4 10.Bf6=) 7.Ne2 (7.a3 Bd6 8.Ne2 Qe8 9.Qf3 Nf7 10.Bf7+=) 7...Qe7 (7...Qe8 8.Qf3 Nc6 9.0–0 Bc5 10.Kh1+=) 8.Rf1 (8.e5 fe5 9.Qe5 Qe5 10.Be5=) 8...Qe4 (8...Bd6 9.Nbc3 c6 10.a4=) 9.Bd3 (better is 9.Bf6 gf6 10.Qh6 Ke8 11.Qf6=) 9...Qe8–/+ 10.Qh4 Nc6 (10...Nf7!?–/+) 11.Bf6+= Nf7 12.Bb2 d5 (12...g5 13.Qh5 Nce5 14.Bf5–/+) 13.Rf4 Bd6 14.Rf1 Kg8 15.Nbc3 (15.Bb5 Qe7 16.Qe7 Ne7–/+) 15...Be6 (15...Nb4 16.Bb5 Nc2 17.Kd1–/+) 16.Bb5–/+ Qd8 17.Qf2 h6 (17...a6 18.Bc6 bc6 19.Nd4–/+) 18.0–0–0+= Qe7 (worse is 18...Bh2 19.Bc6 bc6 20.g3+/–) 19.Nf4 Bf4 20.Qf4 Nb4 (20...d4!? 21.Ne2 Qc5 22.Nd4 Nd4 23.Qd4 Qd4 24.Bd4 Ba2=) 21.Rde1 c6 22.Be2 Ng5 23.Bg4 Re8 (23...Na6 24.Bf5 Nc7 25.h4+=) 24.h3 (24.a3 Na6 25.h4 h5+–) 24...Na6 (better is 24...h5 25.Bf5 Rh6+=) 25.h4+– Ne4 (better is 25...h5 26.Bf5 Ne4 27.Be6 Qe6+–) 26.Ne4 de4 27.Re4 Nc7 28.Bf5 (28.Be6!? Ne6 29.Qg3 Qd7+–) 28...h5 (28...c5+–) 29.Bg6 Nd5 (29...Rd8 30.Qe5 Rd5 31.Rf7 Re5 32.Re7 Re4 33.Be4+–) 30.Qe5 (30.Qe5 Nf6 31.Be8 Ne8 32.Qe6 Qe6 33.Re6+–) 1–0. Sternik,Ryszard – Witkowski,T, corr Poland, 1994.

    5.c3 Ba5

    6.d4 Nc6 7.Qh5 (7.d5 Ne7 8.Ba3 Nf7 9.Ne2 a6 10.0–0 b5 11.Bb3) 7...Ke7= (7...Kf8 8.Nd2 ed4 9.cd4 Qe7 10.Qf3 f5 11.0–0–0) 8.Nd2 (8.Nf3 d6 9.de5 fe5 10.Bc1 Qe8 11.Qh4) 8...ed4 9.cd4 d6 10.Ngf3 Bg4 11.Qb5.

    6.d4 ed4?? 7.Qh5+– Kf8 (7...g6 8.Qa5 (8.Qh6?! Qe7+/–) 8...Nc6 9.Qa4+–) 8.Qa5 Nc6 (8...dc3 9.Qc3 Nc6 10.Nf3+–) 9.Qa3 d6 10.cd4 Qe8 11.Nd2 f5 (11...Qg6 12.Qf3+–) 12.Ne2 (12.e5 Bd7+–) 12...fe4 13.0–0 Bg4 (13...Ng4 14.Ng3+–) 14.Rae1 Be2 (14...Ne7 15.Nf4 b5 16.Be6+–) 15.Re2 Qh5 (15...Nf5 16.Re4 Qh5 17.Rfe1+–) 16.Ne4 Qc5 (16...Ne7+–) 17.dc5 Nd4 18.Bd4 1–0. wiking – mitchelli, queenalice.com, 2009.

    6.Qh5 Ke7 7.Qf3+=.

    6.Qh5 Kf8 7.f4 (7.Bc1 Qe8 8.Qe8 Ke8+=) 7...d6 8.f5 (8.fe5 Bg4 9.Qh4 de5=) 8...Qe8 9.Qe2 Bd7 (9...g6 10.fg6 hg6 11.Nf3+=) 10.Nf3 b5 (10...g6 11.fg6 hg6 12.Qd3+=) 11.Bb3 Na6 (11...g6 12.fg6 hg6 13.Na3+=) 12.Ba3 (12.Bc1 Nf7=) 12...Nc5 (12...Bb6 13.d3+=) 13.0–0 (13.Bc5 dc5 14.d3 Bb6+=) 13...Bb6 14.Kh1 Bc6 (14...Nb3 15.ab3 g6 16.Bc1+=) 15.Bc2 (15.Bc5 Bc5 16.d4 Bb6=) 15...g6 (15...a6 16.d3+=) 16.d4 ed4 e4 draws heavy fire 17.e5 (better is 17.Nd4 Ke7 18.c4 bc4 19.Nc3+=) 17...d3 18.Bd3 Nd3 (18...de5?! 19.Qf2 Qe7 20.fg6–/+) 19.Qd3 Nf5 (19...fe5 20.Bd6 cd6 21.Qd6 Kg8 22.Ne5–+) 20.Nd4 (20.ef6 Qe3 21.Qd2 Re8–+) 20...Bd4 (20...fe5?! 21.Nf5 Qd7 22.Nh6 Ke8 23.Nd2+=) 21.cd4 b4! 22.Rf5 (22.Bb4 Bb5) 22...gf5 (22...ba3 23.Rf6 Kg7 24.Qc4+/–) 23.Bb4 Be4 24.Qh3 (24.Qd2 Rg8 25.Qh6 Ke7 26.ed6 cd6 27.Nc3 Bg2 28.Kg1 Be4 29.Kf1–+) 24...Qb5 (24...Qa4 25.Nc3 Qb4 26.Ne4 Qd4 27.Qh6 Ke8 28.Nf6 Kf7 29.e6 Ke6 30.Re1 Kf7 31.Nh7 Rh7 32.Qh7 Kf8 33.Qf5 Kg8+/–) 25.Nc3 Qb4 26.Ne4 Qd4 Threatening mate... how? 27.Qh6 Ke8 28.Nf6 Kf7 29.e6 Ke6 Decoy theme: e6 30.Re1 Kf7 31.Nh7 (31.Nh7 Rh7 32.Qh7 Kf8 33.Qf5 Kg8 34.Qe6 Kh8 35.Qh6 Kg8 36.Qg5 Kh8 37.Qc1+/–) 1–0. Grafrath,Bernd – Diener,Rudolf, corr SOK–99–3(?), 1999.

    5.c3 Bc5

    6.d4 ed4 7.cd4?? Bb4= 8.Nc3 Bc3 (8...Qe7 9.Qh5 Kd8 10.f3+=) 9.Bc3= d5 (9...Qe7 10.Qe2=) 10.ed5 (10.Bd5 Nf7+/–) 10...Qe7 (10...Nf5 11.Qe2 Qe7 12.Kd2=) 11.Ne2+= Bg4 (11...Nf7 12.0–0+=) 12.0–0 (12.Qb3 Bc8+/–) 12...a6 (12...Nf7 13.Qa4 Kd8 14.Nf4+/–) 13.h3 (13.Re1 b5 14.Qd2 Kd8+–) 13...Be2 (13...b5 14.hg4 bc4 15.Qa4 Qd7 16.Qc4 Ng4 17.Ba5+/–) 14.Be2+/– Nd7 (14...Kd8 15.Qb3 Ra7 16.Rfe1+/–) 15.Re1 0–0–0 16.Bc4 (16.Rb1 Qd6 17.Bb4 Qd5+/–) 16...Qd6 17.Rb1 (17.Re6 Qf4+/–) 17...Nb6+= The isolani on d5 becomes a target 18.Bb3 (18.Bb4 Qf4 19.Qe2 Nf5+= (19...Qd4 20.Qe6 Rd7 21.Re4 Qc4 22.Rc4 Nc4 23.d6 Nd6 24.Bd6 cd6 25.Rb7+–; 19...Nc4 20.Qc4 Nf5 21.Ba5+/–)) 18...Nd5= 19.Bd5 (19.Ba5!?=) 19...Qd5+= 20.Qc2 Nf5 21.Qb3? (better is 21.Rb4!?+=) 21...Qb3–+ 22.Rb3 Rd5 (22...Nd4 23.Bd4 Rd4 24.Re7–+) 23.Reb1 (23.Re4 Rhd8 24.Rb4 b5–+) 23...Re8 (better is 23...b6!?–+) 24.Rb7–/+ Kd7 (24...Nd4!? 25.Bd4 Rd4–/+) 25.Ra7 Nd6 (25...Re6 26.Rb4 Rc6 27.Bb2+=) 26.Rc1 Ne4 (better is 26...Nb5!? 27.Ra6 Nd4 28.Bd4 Rd4=) 27.Bb2 (27.Ra6?! Nc3 28.Rc3 Rd4=) 27...Rc8 28.Ra6 g5 (28...Rb8 29.Ba1+/–) 29.f3 Ng3 30.Rc2 Re8 (better is 30...c6!?+/–) 31.Rf6+– Re1?? (31...Re7 32.Rfc6 Kc8+–) 32.Kf2 Re2 (32...Re6 33.Re6 (33.Kg3?! Rf6 34.h4 h6+=) 33...Nh1 34.Kg1 Ke6 35.Kh1+–) 33.Re2 Ne2 34.Ke2 Ke7 (34...c5 35.Kd3 cd4 36.Rh6+–) 35.Rh6 c5 (35...Ra5 36.Rh7 Kd6 37.a3+–) 36.Rh7 (better is 36.Ba3 Ke8 37.Bc5 Rd7+–) 36...Kf6 (36...Ke6 37.Rh6 Kf7 38.Ra6 cd4 39.Kd3+–) 37.dc5 Kg6 (37...Ke6 38.c6 Rd8 39.c7+–) 38.Rc7 (better is 38.Rg7!? Kh6 39.c6 Rb5+–) 38...Rd8 39.Rg7 Kf5 40.c6 Rc8 41.c7 Re8 42.Kf2 Rc8 43.g4 Ke6 44.Rg5 (better is 44.Rg6 Kd5 45.Rg5 Kc6+–) 44...Rc7 45.Re5 Kd6 46.Re2 Rh7 47.Kg3 Kd5 48.Re4 Rc7 49.h4 Rc2 50.Re5 (50.Rb4 Re2+–) 50...Kc6 (50...Kc4 51.Ba3 Ra2 52.Bc5+–) 51.Bd4 (51.Re6 Kb7 52.Re3 Rd2+–) 51...Ra2 52.Rc5 Kb7 53.h5 Rd2 54.Be3 (better is 54.Bg7 Rd1 55.h6 Kb6+–) 54...Re2 55.Kf4 Ra2 (55...Rh2 56.Ke4 Ra2 57.g5+–) 56.h6 Ra4 57.Kg5 Ra8 58.Kg6 Ra3 59.Re5 Ra6 60.Kg7 Ra1 61.h7 Kc6 62.Rc5 (62.h8Q Ra8 63.Qa8 Kc7 64.Bc5 Kd7 65.Re7) 62...Kd6 63.h8R (63.h8Q Ra7 64.Kf6 Ra8 65.Qh2 Kd7 66.Qc7 Ke8 67.Qe7) 63...Ra7+– 64.Kf6 Rd7 (64...Re7 65.Rd8 Rd7 66.Rd7 Kd7 67.Bf4 Ke8 68.Rd5 Kf8 69.Rd8) 65.Ra5 (65.Rhh5 Rf7 66.Kf7 Kd7 67.Rhd5) 65...Re7 66.Bf4 Kc6 (66...Kd7 67.Ra7 Kc6 68.Rc8 Kb5 69.Re7 Kb6 70.Rb8 Ka6 71.g5 Ka5 72.Ra7) 67.Rc8 (67.Ke7 Kb6 68.Ra2 Kc5 69.Rc2 Kb4 70.Rb8 Ka3 71.Bd6 Ka4 72.Ra2) 67...Kb7 (67...Kb6 68.Ra1 Rd7 69.Rb1 Ka6 70.Rc6 Ka5 71.Rc2 Rd4 72.Ra2 Ra4 73.Bc7 Ka6 74.Ra4) 68.Ke7 Kc8 69.Kd6 Kb7 70.Rb5 Ka6 (70...Ka7 71.Kc6 Ka6 72.g5 Ka7 73.Ra5) 71.Kc6 Ka7 72.Ra5 1–0. Pieleck,Rudi (1775) – Witt,Monika (1620), RSX16E4 – Sokolsky–1, 2010.

    6.d4 ed4 7.Qh5+– g6 8.Qh6 (8.Qc5 dc3 9.Nc3 d6 10.Qb5 c6+–) 8...dc3 (8...Qe7 9.cd4 Qe4 10.Qe3 Qe3 11.fe3 Bb4 12.Bc3 Bc3 13.Nc3+–) 9.Nc3 Qe7 (9...Bf8 10.Qf4 Bd6 11.Qf3+–) 10.Nge2 (10.Nd5 Qe4 11.Qe3 Qe3 12.fe3 Kf8+–) 10...c6 11.0–0 b5 12.Bb3 d6 13.Nf4 Rf8 14.Rfe1 Nd7? (14...Na6 15.Rac1 Nc7 16.Nd3+–) 15.Ne6 Ne5 16.Qf8 (16.Nf8 Bf2 17.Kh1 Be1 18.Nh7 Bc3 19.Bc3 b4 20.Be5 fe5+–) 16...Qf8 17.Nf8 Kf8 18.Rad1 Ke7 (18...a5 19.Kf1+–) 19.h3 (19.Ne2 Bg4 20.Bd4 Bb4+–) 19...a5 20.a3 (20.Kf1 a4 21.Bc2 Nc4+–) 20...Rb8 (20...a4 21.Bg8+–) 21.Ne2 (21.Bc1 b4 22.Na4 Be6 23.Be6 Ke6+–) 21...Ba6 (21...a4 22.Ba2+–) 22.Nd4 a4 23.Ba2 b4 24.ab4 Bb4 25.Re3 c5 26.Nc2 Ba5 27.Be5 (27.Be5 de5 28.Ra3+–; 27.Rb1 c4+–) 1–0. Grehl,Siegfried – Diener,Rudolf, corr SOK–91–74, 1991.

    6.d4 Bf8+=.

    6.Nf3 b5 A) 7.Bb5 A1) 7...Nc6 8.Qa4 (8.d4 Rb8 9.Qe2 Bd6 10.0–0 0–0 11.Na3 Nf7 12.Bc4) 8...Rb8 9.0–0 Qe7 10.Na3 a6 11.Bc6 dc6 12.Nc4; A2) 7...Qe7 8.0–0 (8.d4 ed4 9.0–0 d3 10.Qd3 Nc6 11.Nbd2 Nf7 12.Nb3) 8...Ba6 9.Ba6 Na6 10.d4 Rb8 11.Qe2 ed4 12.cd4; A3) 7...c6 8.d4 (8.Bc4 Qb6 9.Qb3 Bf2 10.Ke2 Ba6 11.Ba6 Na6 12.d4) 8...Qb6 9.dc5 Qb5 10.Qb3 Na6 11.Qb5 cb5 12.Ba3; B) 7.Bd5 B1) 7...Nc6 8.d4 (8.0–0 Ba6 9.d4 Bd6 10.Qe2 Rb8 11.de5 fe5 12.Nbd2) 8...Bd6 9.0–0 Ba6 10.Qe2 Rb8 11.Nbd2 Nf7 12.a4; B2) 7...Ng4 8.d4 (8.0–0 c6 9.Bb3 d5 10.ed5 e4 11.d4 Be7 12.h3) 8...c6 9.dc5 cd5 10.Qd5 Nc6 11.h3 Nh6 12.0–0; B3) 7...c6 8.Bb3 d5 9.ed5 cd5 10.d4 Be7 11.de5 Be6 12.ef6; C) 7.Be2 d5 8.ed5 (8.d4 de4 9.dc5 ef3 10.Qd8 Kd8 11.Bf3 e4 12.Be2) 8...Qd5 9.d4 Be7 10.Qb3 Qb3 11.ab3 e4 12.Nfd2; D) 7.Bb3 D1) 7...Bb7 8.Qe2 (8.d4 Bd6 9.0–0 Nc6 10.Qd3 a6 11.Nbd2 ed4 12.cd4) 8...a6 9.d4 Bd6 10.0–0 Nc6 11.Bd5 Ng8 12.Nbd2; D2) 7...Bb6 8.Na3 (8.0–0 Nc6 9.d4 Nf7 10.Na3 a6 11.Nc2 0–0 12.de5) 8...a6 9.0–0 Nc6 10.d4 ed4 11.Nd4 Nd4 12.cd4; D3) 7...Nc6 8.0–0 (8.d4 Bd6 9.0–0 Ba6 10.Qe2 Nf7 11.a4 Qb8 12.ab5) 8...Bb7 9.d4 Bd6 10.Qd3 a6 11.Nbd2 ed4 12.cd4.

    6.Nf3 Bb6 A) 7.Na3 A1) 7...Nf7 8.0–0 (8.h4 Nc6 9.0–0 0–0 10.Nc2 Na5 11.Bd3 d6 12.Ne3) 8...Nc6 9.Nc2 0–0 10.Ne3 Na5 11.Be2 d6 12.d4; A2) 7...d6 8.Nc2 (8.0–0 Nc6 9.Bd5 Ne7 10.Bc4 Nc6 11.Bd5 Ne7 12.Bc4) 8...Nc6 9.Qe2 Na5 10.0–0 Nc4 11.Qc4 Qe7 12.Nb4; A3) 7...Nc6 8.0–0 (8.h3 Nf7 9.0–0 0–0 10.Qe2 d6 11.d4 Na5 12.Bb5) 8...Nf7 9.Nh4 0–0 10.d4 d6 11.Nc2 Na5 12.Bd3; B) 7.0–0 B1) 7...Nf7 8.Na3 (8.Re1 Nc6 9.d4 0–0 10.Nbd2 d6 11.Bd5 Ne7 12.Bb3) 8...Nc6 9.Nc2 0–0 10.a4 d6 11.Ne3 Na5 12.Ba2; B2) 7...d6 8.Na3 (8.Nh4 Bg4 9.Qc2 Nc6 10.Na3 Na5 11.h3 Nc4 12.Nc4) 8...Nc6 9.Bd5 Ne7 10.Bc4 Nc6 11.Bd5 Ne7 12.Bc4; B3) 7...Nc6 8.Na3 (8.d4 Nf7 9.Na3 0–0 10.Nc2 d6 11.Ne3 Na5 12.Bd3) 8...d6 9.Bd5 Ne7 10.Bc4 Nc6 11.Bd5 Ne7 12.Bc4; C) 7.h3 C1) 7...d6 8.Na3 (8.d4 Nf7 9.0–0 Nc6 10.Na3 0–0 11.Nc2 Na5 12.Bd3) 8...Nf7 9.0–0 0–0 10.Nh4 Nc6 11.d4 Na5 12.Bd3; C2) 7...Nf7 8.0–0 (8.d4 Nc6 9.0–0 0–0 10.Nbd2 d6 11.Nb3 Bd7 12.Qc2) 8...Nc6 9.d4 0–0 10.de5 fe5 11.Na3 d6 12.Bd5; C3) 7...Nc6 8.d4 (8.0–0 Nf7 9.d4 0–0 10.Nbd2 d6 11.Nb3 Bd7 12.a4) 8...Nf7 9.Nbd2 0–0 10.0–0 d6 11.Bd5 Na5 12.a3; D) 7.d4 D1) 7...d6 8.0–0 (8.de5 fe5 9.Nbd2 Nf7 10.Qb3 Qe7 11.0–0 Nc6 12.h4) 8...Nc6 9.de5 fe5 10.Bd5 Ng4 11.Nbd2 Nf6 12.Bb3; D2) 7...Qe7 8.Qa4 (8.Nbd2 Nc6 9.Qa4 ed4 10.cd4 Qb4 11.Qc2 Nf7 12.0–0) 8...ed4 9.0–0 Nc6 10.cd4 Kf8 11.Nbd2 d6 12.Qc2; D3) 7...Nc6 8.0–0 (8.de5 Ng4 9.0–0 Nce5 10.Na3 d6 11.Bb3 f5 12.Qe2) 8...Nf7 9.Nbd2 d6 10.a4 Na5 11.Ba2 0–0 12.Nc4.

    6.Nf3 Nc6 A) 7.Qa4 A1) 7...a6 8.d4 (8.0–0 Rb8 9.Bd5 Ne7 10.Qc4 d6 11.d4 b5 12.Qb3) 8...Ba7 9.Bd5 Ne7 10.Bb3 b5 11.Qa3 d5 12.Nbd2; A2) 7...Rb8 8.d4 (8.0–0 a6 9.Bd5 Ne7 10.d4 b5 11.Qc2 Nd5 12.ed5) 8...b5 9.Bb5 a6 10.Bc6 Rb2 11.0–0 ed4 12.cd4; A3) 7...f5 8.Bd5 (8.ef5 Nf5 9.0–0 e4 10.Nd4 Bd4 11.cd4 d5 12.Bb5) 8...Ng4 9.d4 ed4 10.0–0 fe4 11.cd4 Bb4 12.Ne5; B) 7.0–0 B1) 7...Nf7 8.Na3 (8.d4 Bb6 9.Nbd2 d6 10.Bd5 0–0 11.Nc4 Ne7 12.Bf7) 8...0–0 9.d4 Bb6 10.Nc2 Re8 11.Qd3 d6 12.Ne3; B2) 7...Bb6 8.Qa4 (8.Na3 Nf7 9.Nc2 0–0 10.Ne3 Na5 11.Be2 d6 12.d4) 8...Nf7 9.Na3 0–0 10.Nc2 Na5 11.Be2 d5 12.ed5; B3) 7...Na5 8.Be2 (8.Qe2 d6 9.d4 Nc4 10.Qc4 Bb6 11.a4 c6 12.Nbd2) 8...Bb6 9.Na3 0–0 10.Nc4 d5 11.Na5 de4 12.Bc4; C) 7.Na3 C1) 7...Nf7 8.0–0 (8.Qe2 0–0 9.0–0 d6 10.d4 Bb6 11.Nc2 Na5 12.Bd3) 8...0–0 9.d4 Bb6 10.Nc2 Re8 11.Qd3 d6 12.Ne3; C2) 7...f5 8.Qe2 (8.Qc2 a6 9.Bb3 fe4 10.Qe4 Qe7 11.Nc4 d6 12.0–0) 8...Qe7 9.Nb5 Kd8 10.a4 a6 11.Na3 d6 12.Bd5; C3) 7...Na5 8.Be2 (8.Bd3 c6 9.0–0 0–0 10.Nc4 Nc4 11.Bc4 d5 12.Bb3) 8...d5 9.Qa4 c6 10.ed5 Qb6 11.0–0–0 Bf2 12.Nc4; D) 7.d4 D1) 7...Bb6 8.Na3 (8.0–0 Nf7 9.Qc2 0–0 10.Nbd2 d6 11.Bd5 Bd7 12.Rac1) 8...Nf7 9.0–0 0–0 10.Nc2 Re8 11.Qd3 d6 12.Ne3; D2) 7...ed4 8.cd4 (8.0–0 dc3 9.Nc3 d6 10.Na4 Bb6 11.Qd5 Bg4 12.Rad1) 8...Na5 9.Bd3 Bb4 10.Nc3 c6 11.0–0 0–0 12.Qc2; D3) 7...Na5 8.Be2 (8.Bd3 Bb6 9.0–0 0–0 10.Na3 d6 11.Qe2 Be6 12.Nc2) 8...Bb6 9.de5 fe5 10.0–0 d6 11.Nbd2 0–0 12.Nc4.

    6.Nf3 d6 7.0–0 Bg4 (7...Nc6 8.d4 (8.Bd5 Ne7 9.Bc4 Nf7 10.d4 Bb6 11.de5 fe5 12.a4) 8...Bb6 9.Na3+= (9.Nbd2 Nf7 10.de5 fe5 11.h4 Qe7 12.Qb3) 9...Nf7 10.Nc2 0–0 11.Ne3 Na5 12.Be2; 7...Bb6 8.Na3 (8.h3 Nf7 9.d4 Nc6 10.Na3 0–0 11.Bb3 Na5 12.Nc4) 8...Nc6 9.h3 Nf7 10.Nc2 0–0 11.Ne3 Na5 12.Be2; 7...Nf7 8.d4 (8.Bd5 Nc6 9.d4 Bb6 10.Na3 0–0 11.Nc4 Ne7 12.Bf7) 8...Bb6 9.Bb5 c6 10.Bc4 d5 11.Bd3 0–0 12.Nbd2) 8.d3 (8.d4 Bb6+= 9.h3 Bd7 10.Nbd2 Nc6 11.a4 Na5 12.Bd5; 8.h3 Bd7 9.d4 Bb6 10.a4 Nc6 11.Nbd2 Na5 12.Bd5) 8...a6 (8...Nc6 9.Nbd2= (9.h3 Bf3 10.Qf3 Na5 11.Nd2 Nc4 12.Nc4) 9...Na5 10.d4 Nc4 11.Nc4 d5 12.ed5) 9.Nbd2 (9.d4 Bb6 10.h3 Bd7 11.Na3 Nc6 12.Bd5) 9...Bf3 (9...Nc6 10.h3 Bh5 11.Re1+= (11.Nb3 Bb6 12.a4) 11...Nf7 12.d4) 10.Nf3+/– (10.gf3?! Nc6= 11.f4 Qd7 12.Qh5) 10...Qd7 (10...Nc6+/– 11.d4 Bb6 12.Be6) 11.Rc1 (11.Qb3!? Bb6 12.Be6+/–; 11.d4 Bb6 12.de5) 11...Nc6+= 12.h3 (12.d4 Bb6+=) 12...b5 (12...Na5!? 13.Bb3 Nb3 14.Qb3 Bb6=) 13.Bb3 (13.Bd5 Rd8+/–) 13...0–0–0 (13...Nf7 14.d4 Bb6 15.Bd5+=) 14.Bd5 (better is 14.d4!? Bb6 15.a4+/–) 14...Ne7= 15.Qb3 Nd5 16.ed5 Nf5 17.d4 (17.Ra1 Rhe8 18.Rfe1 Kb7=) 17...Bb6+= 18.Ba3 (18.Rfe1 Rhe8+=) 18...ed4 (18...Rhe8!?–/+) 19.cd4+= Nd4 (19...g5 20.Rfe1+=) 20.Nd4 Bd4 21.Kh1? (21.Rc6 Bb6 22.Bb2 Qf5+=) 21...Rde8 (21...Kb7!?–/+) 22.Rc6+= Kb7 23.f3 (23.Bb4 Re2 24.Ba5+=) 23...Re3–+ 24.Qb4?? (better is 24.Qd1 Ra3 25.Qd4 Ra2 26.Re1–+) 24...Bc3 (24...Bc5!? 25.Rc5 dc5 26.Qc5–+) 25.Qb1?? (better is 25.Rc3 Rc3 26.Qc3+–) 25...Rhe8–+ 26.Bb4 (26.Rg1 Qf7 27.Qc1–+) 26...Be5 (better is 26...Re1 27.Rc3 Rb1 28.Rb1 Qf7–+) 27.f4?? (27.Ba5 Re2 28.f4+/–) 27...Bd4 (27...Rh3 28.Kg1 Bd4 29.Rf2 Qg4–+) 28.Qd1?? (better is 28.Qh7 Qf7 29.Rfc1–+) 28...Rh3! 0–1. Tortoza,Carlos (1745) – Witt,Monika (1620), RSX16E4 – Sokolsky–1, 2010.

    6.Nf3 d6 7.a4 A) 7...f5 8.d4 (8.Qc2 fe4 9.Qe4 Nc6 10.d4 Bf5 11.Qe2 Bb6 12.0–0) 8...fe4 9.dc5 ef3 10.Qf3 Qh4 11.Nd2 Rf8 12.Qg3; B) 7...Qe7 8.0–0 (8.d4 ed4 9.0–0 d3 10.Qd3 Nc6 11.Nbd2 Be6 12.Be6) 8...Nc6 9.d4 ed4 10.cd4 Bb4 11.Nc3 Bc3 12.Bc3; C) 7...Nc6 8.d4 (8.0–0 Nf7 9.a5 0–0 10.d4 ed4 11.cd4 Bb4 12.Qb3) 8...Bb6 9.0–0 Nf7 10.Nbd2 Na5 11.Ba2 0–0 12.Nc4.

    6.Nf3 d6 7.d4 A) 7...ed4 8.cd4 (8.0–0 dc3 9.Nc3 Nc6 10.Na4 Bb6 11.Qd5 Bg4 12.Rad1) 8...Bb6 9.0–0 Nc6 10.Nc3 Nf7 11.h3 0–0 12.Nd5; B) 7...Bb6 8.0–0 (8.de5 fe5 9.0–0 Nc6 10.Qd5 Na5 11.Na3 Bg4 12.Be2) 8...Nf7 9.Bb5 c6 10.Bc4 d5 11.Bd3 0–0 12.Nbd2.

    6.Nf3 d6 7.Qe2 A) 7...Bb6 8.0–0 (8.Na3 Nc6 9.0–0 Nf7 10.Bd5 Ne7 11.Bb3 0–0 12.Qd3) 8...Nc6 9.Na3 Nf7 10.Nc2 Na5 11.Bd3 0–0 12.Ne3; B) 7...Nc6 8.d4 (8.0–0 Nf7 9.Na3 0–0 10.d4 Bb6 11.Nc2 Na5 12.Bd3) 8...Bb6 9.Nbd2 Nf7 10.0–0 0–0 11.Nb3 Bd7 12.a4; C) 7...Nf7 8.d4 (8.0–0 Nc6 9.d4 Bb6 10.Nbd2 0–0 11.Nb3 Bd7 12.h3) 8...Bb6 9.0–0 0–0 10.Nbd2 Nc6 11.Bd5 Na5 12.a4.

    6.Nf3 Be7 A) 7.0–0 A1) 7...Nf7 8.Na3 (8.Qa4 Nd6 9.Na3 Nc4 10.Nc4 Nc6 11.Ne3 0–0 12.d4) 8...Nc6 9.Qa4 0–0 10.d4 ed4 11.cd4 a6 12.h3; A2) 7...a6 8.d4 (8.Na3 Nc6 9.Nh4 g6 10.Qe2 Na5 11.Bd3 0–0 12.Nc4) 8...Nc6 9.de5 fe5 10.Qd5 b5 11.Bb3 Bf6 12.Bc1; A3) 7...Nc6 8.d4 (8.Qa4 d6 9.Na3 Bd7 10.Bd5 Nd4 11.Qd1 c6 12.Bc4) 8...Nf7 9.Nbd2 0–0 10.Qe2 d6 11.Nb3 b6 12.h3; B) 7.Na3 B1) 7...Nc6 8.0–0 (8.Qa4 Nf7 9.0–0 0–0 10.d4 ed4 11.cd4 a6 12.h3) 8...Na5 9.Bd3 0–0 10.Nc4 c6 11.Ne3 d6 12.h3; B2) 7...Nf7 8.0–0 (8.Qe2 Nc6 9.0–0 0–0 10.d4 d6 11.Bd5 ed4 12.cd4) 8...Nc6 9.Nh4 g6 10.Qe2 0–0 11.Bd5 Na5 12.Qg4; B3) 7...c6 8.Qb3 (8.0–0 d5 9.Bd3 Nd7 10.ed5 cd5 11.Be2 0–0 12.Nc2) 8...Na6 9.d4 ed4 10.cd4 Qa5 11.Kf1 Nb4 12.Bc3; C) 7.Qe2 C1) 7...Nc6 8.0–0 (8.Na3 Na5 9.0–0 Nc4 10.Nc4 0–0 11.Ne3 d6 12.Qc4) 8...Na5 9.d4 Nc4 10.Qc4 Nf7 11.de5 Ne5 12.Ne5; C2) 7...Nf7 8.0–0 (8.d4 Nc6 9.Nbd2 0–0 10.0–0 d6 11.Nb3 b6 12.h3) 8...Nc6 9.d4 0–0 10.Nbd2 d6 11.Nb3 b6 12.h3; C3) 7...c6 8.Bb3 (8.0–0 d5 9.Bb3 de4 10.Qe4 Bf5 11.Qh4 Bd3 12.Na3) 8...d5 9.d4 de4 10.Qe4 Nd7 11.0–0 f5 12.Qe2; D) 7.d4 D1) 7...ed4 8.Nd4 (8.0–0 Nc6 9.cd4 Na5 10.Bd3 0–0 11.Nc3 c6 12.Qe2) 8...Nc6 9.Nd2 Nf7 10.0–0 0–0 11.Qh5 g6 12.Qe2; D2) 7...b5 8.Bb5 (8.Bb3 Nc6 9.de5 fe5 10.Qd5 Bd6 11.0–0 Ba6 12.Na3) 8...Nc6 9.de5 Rb8 10.c4 a6 11.ef6 ab5 12.fe7; D3) 7...Nc6 8.de5 (8.0–0 Nf7 9.Nbd2 0–0 10.Qe2 d6 11.Nb3 b6 12.h3) 8...fe5 9.0–0 Rf8 10.Qd5 d6 11.Nbd2 Nf7 12.Qb5.

    6.Nf3 Nf7 A) 7.0–0 A1) 7...Bb6 8.Na3 (8.Bd5 c6 9.Bb3 d5 10.Qe2 0–0 11.d4 Na6 12.Nbd2) 8...Nc6 9.Qe2 0–0 10.Nc2 Na5 11.Bd3 d6 12.Ne3; A2) 7...Be7 8.d4 (8.h3 Nc6 9.d4 0–0 10.Nbd2 b5 11.Bb5 Rb8 12.Qe2) 8...Nc6 9.Qa4 a6 10.Nbd2 0–0 11.de5 fe5 12.Bd5; A3) 7...Nc6 8.d4 (8.Qe2 0–0 9.d4 Bb6 10.Nbd2 d6 11.Bd5 Ne7 12.Bb3) 8...Bb6 9.Bd5 0–0 10.a4 Na5 11.de5 c6 12.Ba2; B) 7.Qb3 B1) 7...Nd6 8.d4 (8.Bd3 b6 9.Na3 Bb7 10.0–0 Ne4 11.Nc4 d5 12.Ne3) 8...Nc4 9.Qc4 Bb6 10.0–0 Nc6 11.Nbd2 d6 12.a4; B2) 7...Qe7 8.d4 (8.0–0 Nc6 9.d4 Bb6 10.Nbd2 Na5 11.Bf7 Qf7 12.Qf7) 8...Bb6 9.0–0 Nc6 10.Nbd2 0–0 11.Bd5 d6 12.Nc4; B3) 7...0–0 8.d4 (8.0–0 Nc6 9.Ba3 Qe7 10.Bc5 Qc5 11.Na3 b6 12.Bd5) 8...Bb6 9.0–0 Nc6 10.Bd3 d6 11.Nbd2 Na5 12.Qb4; C) 7.Na3 C1) 7...Bb6 8.0–0 (8.d4 Nc6 9.0–0 0–0 10.Nc2 Re8 11.Ne3 ed4 12.cd4) 8...Nc6 9.Nc2 0–0 10.d4 Re8 11.Ne3 ed4 12.cd4; C2) 7...0–0 8.0–0 (8.Qc2 c6 9.Qb3 a5 10.d4 a4 11.Qc2 ed4 12.cd4) 8...Nc6 9.d4 Bb6 10.Nc2 Re8 11.Ne3 ed4 12.cd4; C3) 7...Nc6 8.0–0 (8.Qe2 0–0 9.0–0 Bb6 10.Nc2 d6 11.d4 Na5 12.Bd3) 8...0–0 9.d4 Bb6 10.Nc2 d6 11.Ne3 Na5 12.Bd3; D) 7.d4 D1) 7...Bd6 8.0–0 (8.Na3 Nc6 9.0–0 0–0 10.Qe2 Kh8 11.Bd5 b6 12.Nc4) 8...Nc6 9.Na3 0–0 10.Qe2 Kh8 11.Bd5 b6 12.Nc4; D2) 7...Nd6 8.Bd5 (8.Bd3 Bb6 9.Qb3 Nc6 10.Nbd2 Qe7 11.0–0 Nf7 12.Nc4) 8...Bb6 9.Nbd2 Nc6 10.0–0 Nf7 11.a4 ed4 12.cd4; D3) 7...Bb6 8.de5 (8.Qd3 Nc6 9.0–0 0–0 10.Nbd2 d6 11.a4 Na5 12.Ba2) 8...Qe7 9.0–0 Ne5 10.Ne5 fe5 11.Nd2 Nc6 12.a4.

    5.c3 Be7

    6.d4 d6 7.Qh5= Kf8 8.Qe2 Nd7 9.Nf3 Nb6 10.Bb3 a5 (10...ed4 11.Nd4 d5 12.ed5 Nd5 13.0–0=) 11.a4 (11.0–0 a4 12.Bc2 Kf7=+) 11...Bd7 (11...ed4 12.Nd4 Qe8 13.0–0=) 12.0–0 Qe8 13.Qc2 c5 14.de5 (14.Nbd2 Rc8 15.de5 c4 16.ef6 Bf6=) 14...fe5 (14...c4 15.ef6 Bf6 16.Qd1=) 15.Nbd2 Qg6 16.Kh1 Ke8 17.Nc4 Nc8 (17...Nc4 18.Bc4 Bg4 19.Bb5 Kf7 20.Bc4 Kf6 21.Nd2=) 18.Ne3= Rf8 19.Nd5 Bd8 20.Qd3 Rb8 21.Rad1 Nf7 22.c4 Bg4 23.Rde1 Bf3 (23...Ne7!?=+) 24.Qf3= Ne7 25.Qd3 Ng5 26.f4 Nd5 27.Qd5 Rf4 28.Rf4 ef4 29.e5 Qe6 30.Qd6 Qd6 31.ed6 Kf7 32.Be5 Ne6 33.Bd1 Bg5 34.Bh5 g6 35.Bf3 Nd4 36.Bd5 Kf8 37.d7 Rd8 38.Bd6 Kg7 39.Bc5 Nc2 40.Re5 Bf6? 41.Re8+– Kh6 42.Be6 Nb4 43.Bf8 Kg5 44.Bg7! Bg7 45.Rd8 Nc6 46.Rb8! Bf6 47.Rb7 Bd8 48.Bd5 (48…Nd4 49.Rb8+–) 1–0. Rohde,Friedhelm – Diener,Rudolf, corr SOK–92–86, 1992.

    6.d4 Nf7 7.Nf3+=.

    6.Qh5 g6?? 7.Qh6+– Bf8 8.Qe3 Qe7 (8...c6 9.Qf3+–) 9.Nf3 d6 10.0–0 Bg4 11.h3 Bf3 (11...Be6 12.Be6 Qe6 13.d4+–) 12.Qf3 (12.gf3?! f5+–) 12...a6 (12...Nd7 13.d4+–) 13.d4 b5 14.Bb3 c6 15.a4 ba4 16.Ra4 Qb7 (16...Bh6 17.Na3+–) 17.Rb4 Qa7 (17...Qe7 18.Nd2+–) 18.Qf6 Rg8 (18...Qg7 19.de5 Qf6 20.ef6 a5+–) 19.Qe6 Kd8 20.Qg8 Nd7 (20...Qg7 21.Qg7 Bg7 22.Rb7+–) 21.de5 de5 22.Rd1 Kc7 23.Qh7 Bb4 24.Rd7 Kb6 25.cb4 Qb8 26.Qe7 Ra7 (26...Qc7 27.Rc7 Rb8 28.Ra7 a5 29.Qc5) 27.Qc5 1–0. Janek – zandar, internet, 2017.

    5.Ne2 c6

    6.Nbc3 a5 7.a3 Be7 8.d4 d6 9.a4 A) 9...Qc7 A1) 10.Rb1 Nd7 (10...b6 11.d5 Ba6 12.Ba6 Na6 13.Ng3 Nb4= 10...Nf7 11.0–0 Nd7 12.f4 Rb8 13.Qd3 0–0+= 10...Na6 11.0–0 Nf7 12.f4 0–0 13.f5 Nb4+=) 11.0–0 f5 12.Ng3 fe4 13.de5 Ne5–/+; A2) 10.0–0 Nd7 (10...Ng4 11.d5 f5 12.Ng3 fe4 13.Nce4 Nf6= 11.Rb1 f5 12.f3 Rb8 13.Bc1 f4+=; B) 9...Nd7+= B1) 10.Rb1 f5 11.de5 Ne5 12.Bb3 Qc7 13.Qd4 fe4+=; B2) 10.0–0 Nb6 (10...Nf7 11.Rb1 Nb6 12.Bb3 c5 13.de5 de5+=; 10...f5 11.de5 Ne5 12.Bb3 Qc7 13.Ng3 fe4=; 10...Rb8 11.Rb1 f5 12.Ng3 fe4 13.Be6 Nf7+=; 10...Qc7 11.Rb1 f5 12.f3 Rb8 13.Bc1 f4+=) 11.Bb3 c5 12.dc5 dc5 13.Qd8 Bd8+=; B3) 10.Bc1 Nf7 (10...Nb6 11.Bb3 Nf7 12.Rb1 0–0 13.Be3 ed4= 11.0–0 f5 12.f4 ed4 13.Nd4 Nc5+=; C) 9...Nf7 C1) 10.0–0 f5 (10...Nd7 11.Rb1 Nb6 12.Bb3 c5 13.de5 de5+= 10...0–0 11.Rb1 f5 12.de5 de5 13.Qd8 Rd8=; 10...Na6 11.Rb1 Nb4 12.Bb3 0–0 13.f4 Bg4+=; 10...Qc7 11.Rb1 Nd7 12.f4 Rb8 13.Qd3 0–0+=) 11.de5 de5 12.Qd8 Bd8 13.Rad1 Be7+=; C2) 10.f4 Bg4 (10...Nd7 11.0–0 0–0 12.Rb1 Nb6 13.Bb3 c5= 10...0–0 11.0–0 ef4 12.Nf4 f5 13.ef5 d5= 10...b6 11.0–0 Qc7 12.d5 Ba6 13.Ba6 Na6=) 11.h3 Be2 12.Ne2 d5 13.ed5 cd5+=; C3) 10.Rb1 f5 (10...0–0 11.0–0 f5 12.de5 de5 13.Qd8 Rd8= 11.de5 Ne5 12.Ba2 Na6 13.Ng3 fe4=; D) 9...Na6 D1) 10.0–0 Nb4 (10...Nc7 11.de5 de5 12.Qd8 Bd8 13.Bc1 Nf7+= 10...Nf7 11.f4 Nb4 12.Rb1 0–0 13.Ba3 ed4+=; 10...Rb8 11.Rb1 Nb4 12.Ba3 f5 13.de5 de5+=) 11.f4 Bg4 12.Qd2 f5 13.h3 Be2+=; D2) 10.Bc1 Nf7 11.0–0 Nb4 12.Be3 0–0 13.de5 de5+=; D3) 10.Rb1 Nf7 (10...Nc7 11.0–0 d5 12.Ba2 Bg4 13.Bc1 Rb8+= 10...Nb4 11.Bb3 f5 12.de5 de5 13.Qd8 Bd8+= 11.0–0 0–0 12.f4 Nb4 13.Ba3 ed4+=.

    6.Nbc3 a5 7.a3 Be7 8.d4 d6 9.f4 Bg4 (9...b5 A) 10.Bd3 Qb6 (10...Ng4 11.Qd2 Na6 12.h3 Nh6 13.d5 b4+=) 11.Nb1 Bg4 12.h3 Be2 13.Be2 ef4–/+; B) 10.Ba2 Ng4 (10...Bg4 11.h3 Bh5 12.Qd2 b4 13.ab4 ab4=; 10...ef4 11.Nf4 Bg4 12.Nce2 Bf8 13.0–0 Qe7=; 10...Na6 11.0–0 Bg4 12.Qd2 b4 13.ab4 Nb4+=) 11.Bc1 f5 12.fe5 de5 13.ef5 b4+=) 10.de5 (10.h3 Bh5 (10...ed4 11.Qd4 Bc8 12.a4 Na6 13.Rd1 Nb4=) 11.fe5 fe5 12.Qd3 Bh4 13.g3 ed4–/+; 10.fe5 fe5 (10...de5 11.de5 fe5 12.Qd8 Bd8 13.h3 Bh5+=; 10...b5 11.ef6 Bf6 12.Bb3 a4 13.Ba2 Bh4=) 11.de5 de5 12.Qd8 Bd8 13.h3 Be2+=) 10...de5 (10...fe5 11.fe5 de5 12.Qd8 Bd8 13.h3 Bd7+=) 11.Qd8 Kd8 (11...Bd8 12.fe5 fe5 13.h3 Bd7+=) 12.f5 (better is 12.fe5 fe5 13.h3 (13.Rd1 Nd7 14.a4+=) 13...Be2+=) 12...Kc7 (better is 12...b5 13.Be6 b4 14.ab4 Bb4–/+) 13.Ng3+= g6 (13...b5+=) 14.h3 Bh5 15.Nh5 gh5 16.Ne2 (16.Rd1 Nd7=) 16...h4 (16...b5 17.Be6=) 17.Ng1 (17.Rd1 Na6=) 17...Na6 18.Bc1 Ng8 (18...b5 19.Bh6 bc4 20.Ne2+=) 19.Be3 (19.Ba6 Ra6 20.Be3 b5=) 19...Bc5+= 20.Ke2. Roczniak,Jan – Gnieciak,M, Poland, 1997.

    6.Nbc3 b5 7.Bb3 Na6 8.a3 Ba5 9.d4 d6 10.Rb1 A) 10...Rb8 A1) 11.h3 Nf7 (11...c5 12.de5 de5 13.Qd8 Kd8 14.Bc1 c4+=; 11...Qe7 12.0–0 Nf7 13.Qd3 ed4 14.Nd4 Nc5+=; 11...Nc7 12.0–0 Nf7 13.Bc1 0–0 14.Be3 a6+=) 12.0–0 0–0 13.Qd3 ed4 14.Nd4 Nc5+=; A2) 11.Bc1 Nf7 (11...Qb6 12.Bh6 gh6 13.de5 Qc5 14.Qd3 fe5+=) 12.0–0 0–0 13.Qd3 f5 14.de5 de5+=; A3) 11.f3 c5 12.de5 de5 13.Qd8 Kd8 14.Bc1 c4–/+; A4) 11.Qd2 c5 (11...f5 12.ef5 Bf5 13.0–0 c5 14.de5 c4–/+; 11...Nf7 12.Qe3 Bb6 13.0–0 0–0 14.Rfd1 f5–/+; 11...Bg4 12.f3 Bd7 13.a4 c5 14.ab5 Bb5+=; 11...Qc7 12.0–0 c5 13.de5 de5 14.Bc1 c4+=; 11...Nc7 12.de5 fe5 13.0–0 Ng4 14.Bc1 Qe7–/+; 11...b4 12.ab4 Bb4 13.0–0 Qd7 14.Rfd1 ed4+=; 11...Qe7 12.0–0 c5 13.de5 de5 14.a4 c4+=; 11...Qd7 12.Bc1 c5 13.dc5 Nc5 14.Bd5 f5–/+; 11...Ng4 12.h3 Nh6 13.0–0 c5 14.de5 de5+=) 12.dc5 dc5 13.Bd5 b4 14.Bc6 Bd7–/+; A5) 11.0–0 Nf7 (11...c5 12.Bc1 cd4 13.Nb5 Nf7 14.c3 Bb7=; 11...Qe7 12.d5 Bc3 13.Nc3 c5 14.Bc1 b4=; 11...Nc7 12.Bc1 Nf7 13.Be3 a6 14.a4 b4+=) 12.f4 Qe7 13.Bf7 Kf7 14.d5 Bd7+=; B) 10...Qe7 11.0–0 Bd7 (11...Nc7 12.Qd3 Rb8 13.Rfd1 Bg4 14.h3 Bh5+=; 11...Bg4 12.d5 Bc3 13.Bc3 c5 14.Bd2 c4=; 11...Rb8 12.d5 Bc3 13.Nc3 c5 14.Bc1 b4=; 11...Qc7 12.d5 Rb8 13.Bc1 Nf7 14.dc6 Bc3=) 12.Qd3 ed4 13.Qd4 Bb6 14.Qd2 Nc5+=; C) 10...Qc7 C1) 11.Qd2 Nf7 (11...f5 12.ef5 Bf5 13.0–0 Nf7 14.f4 e4+=; 11...Rb8 12.0–0 c5 13.de5 de5 14.Bc1 c4+=; 11...ed4 12.Nd4 Nc5 13.0–0 Rb8 14.Rfe1 b4+=) 12.0–0 0–0 13.Rfd1 Bg4 14.h3 Bh5–/+; C2) 11.0–0 Rb8 (11...Bb6 12.d5 Rb8 13.dc6 Qc6 14.Bd5 Qc5=; 11...Nf7 12.d5 Nc5 13.dc6 Nb3 14.cb3 Qc6=) 12.d5 Bg4 13.dc6 Qc6 14.f3 Bd7+=; D) 10...Nc7 D1) 11.a4 b4 (11...Nf7 12.0–0 a6 13.f4 Bg4 14.h3 ed4+=; 11...Qe7 12.0–0 b4 13.Na2 Ba6 14.Bc1 Nf7+=; 11...Bg4 12.f3 ba4 13.Ba4 Bd7 14.0–0 Bb6+=; 11...Qd7 12.0–0 a6 13.Bc1 Nf7 14.Be3 0–0–/+; 11...c5 12.de5 de5 13.ab5 Qd1 14.Kd1 Ng4–/+) 12.Na2 c5 13.Bc1 Nf7 14.dc5 dc5–/+; D2) 11.0–0 a6 (11...Nf7 12.Qd3 0–0 13.Rfd1 Qe8 14.Qg3 Qe7+=; 11...Qe7 12.Qd3 Rb8 13.Rfd1 Bg4 14.h3 Bh5+=; 11...c5 12.de5 de5 13.Bd5 Nd5 14.Nd5 a6+=) 12.Bc1 Nf7 13.Be3 0–0 14.Qd3 Qe7+=; E) 10...Nf7 11.0–0 Qd7 (11...0–0 12.d5 Bb7 13.dc6 Bc6 14.Bc1 Nc7+=; 11...Rb8 12.f4 Qe7 13.Bf7 Kf7 14.d5 Bd7+=; 11...Bd7 12.Qd3 Qe7 13.Qg3 Ng5 14.d5 Nc5+=; 11...Nc7 12.Qd3 0–0 13.Rfd1 Bg4 14.Bf7 Rf7+=) 12.Bc1 0–0 13.Qd3 ed4 14.Nd4 Nc5+=.

    6.Nbc3 b5 7.Bb3 Na6 8.a3 Ba5 9.d4 d6 10.de5 de5 (10...fe5 11.0–0 Bb6 (11...Nc5 12.Ng3 Bg4 13.Nce2 Nb3 14.cb3 0–0–/+; 11...Qe7 12.a4 Bc3 13.Bc3 b4 14.Bd2 Nf7+=) 12.Qd2 Rf8 13.Ng3 Ng4 14.Nh1 Bd4–/+) 11.0–0 (11.Qd8 Bd8 12.Rd1 Nc5 13.Bc1 Nf7 14.Ba2 f5–/+) 11...Nc5 (11...Qd1 12.Rad1 Nc5 13.Rd6 Bg4 14.Ng3 Rc8–/+; 11...Bg4 12.f3 Bd7 13.Kh1 Nf7 14.f4 ef4+=) 12.Qd8 (12.Qc1 Qe7 13.Rd1 Bg4 14.Rd2 Nf7–/+) 12...Kd8 (12...Bd8 13.Rfd1 Bb6 14.Rd6 Bg4–/+) 13.Ba2 (13.Bc1 Ke7 14.Bh6 gh6–/+) 13...Be6 (13...Bg4 14.f3 Bb6–/+) 14.Rad1 (14.Be6 Ne6 15.Rfd1 Ke7–/+; 14.Bc1 Nf7–/+) 14...Ke7 (14...Kc7–/+) 15.h3? (better is 15.Be6!? Ke6 16.Bc1–/+) 15...Ba2–+ 16.Na2 Ne4 17.Nb4 Rac8 18.f3 (18.Rfe1 c5 19.Nd5 Kf7–+) 18...Nd6 19.Bc3 (19.Bc1 Nc4–+) 19...Bb6 20.Kh1 a5 21.Nd3 Nhf5 0–1. Roczniak,Jan – Twarog,W, corr Poland, 1980.

    6.Nbc3 d6 7.f4 b5 8.Bb3 Qb6 (8...Bc5 9.d4 ed4 10.Nd4 Qe7 11.0–0 a5–/+) 9.Rf1 Bc5 10.h3 a5 11.a4 b4–/+.

    6.Nbc3 d6 7.f4 Qb6 A) 8.d4 ed4 9.Nd4 Bc5 10.Nb3 Bf2 11.Kf1 Ng4–+; B) 8.Rf1 Bc5 (8...Ng4 9.h3 Bc5 10.Qb1 Nh6 11.Bb3 Nd7–/+) 9.Na4 Qb4 10.Bb3 Na6 11.Nac3 Qa5–/+; C) 8.h3 Bc5 (8...Qc5 9.Bb3 Ba5 10.d4 ed4 11.Qd4 Na6+=) 9.Bb3 Nd7 10.Na4 Qb4 11.fe5 de5+=.

    6.Nbc3 d6 7.f4 Bc5 A) 8.Rf1 Ng4 (8...Nd7 9.Bb3 Nb6 10.a4 d5 11.ed5 cd5–/+; 8...b5 9.Bb3 a5 10.a4 b4 11.Nb1 Qe7–/+) 9.Na4 Nf2 10.Rf2 Bf2 11.Kf2 b5–+; B) 8.h3 b5 (8...Nd7 9.d4 ed4 10.Nd4 Qb6 11.Nb3 Bf2–/+; 8...Qe7 9.Rb1 Nd7 10.Bb3 Bb6 11.d3 Nc5–/+) 9.Bb3 a5 10.a3 Qe7 11.Rf1 a4–/+; C) 8.Bc1 Qe7 (8...Qa5 9.h3 b5 10.Bb3 Nf7 11.Rb1 Nd7–/+; 8...Bg4 9.h3 Be2 10.Qe2 ef4 11.Rf1 b5–/+; 8...b5 9.Nb5 d5 10.Bb3 f5 11.Ba3 Ba3–/+) 9.h3 b5 10.Bb3 a5 11.a3 a4–+; D) 8.Nc1 ef4 (8...Bg4 9.Be2 Be2 10.Qe2 ef4 11.Nd3 Nd7–/+) 9.d4 Bb6 10.N1e2 Ng4 11.Bc1 Ne3–/+.

    6.Nbc3 d6 7.f4 Qe7 8.h3 (8.0–0 d5 (8...Ng4 9.Qe1 b5–/+ 10.Bb3 a5 11.a4 Bc5–/+) 9.Bb3 d4 10.Nb1 Bc5 11.d3 Ng4–/+; 8.Bb3 Nd7 (8...ef4 9.0–0 Bg4 10.Rf4 Qe5 11.Qc1 Bc5–/+; 8...Na6 9.0–0 Nc5 10.h3 Nb3 11.ab3 0–0–/+; 8...Bg4 9.h3 Bh5 10.0–0 Nd7 11.Qe1 Nc5–/+; 8...Bc5 9.Na4 b5 10.Nc5 dc5 11.fe5 c4–/+) 9.a3 Bc5 10.d4 ed4 11.Nd4 Bd4–/+; 8.fe5 fe5 (8...de5 9.Bb3 Na6 10.0–0 Nc5 11.Kh1 Qd6–/+) 9.0–0 Bc5 10.Kh1 Ng4 11.Qe1 Rf8–/+) 8...ef4 9.0–0 Be6 (9...b5 10.Bb3–/+ a5 11.a3 Bc3–/+; 9...d5 10.Bd3 de4 11.Ne4 f5–/+) 10.Be6+= Qe6 11.Nf4 Qe7 (11...Qc4+=) 12.Ncd5 cd5 13.Nd5 Qd8 14.Bf6 gf6 15.Qh5 Nf7 16.c3 (better is 16.Rf6 Bc5 17.Kh1=) 16...Bc3!–/+ 17.dc3 (17.dc3 Nd7; 17.Nc3 Nd7) 17...Nd7 18.Rad1 0–0 19.Rd3 (19.Rf5 Nfe5–+) 19...Nfe5 20.Rg3 Kh8 21.Rf4 Qe8?? (better is 21...Rf7–+) 22.Qh7!! Kh7 (22...Kh7 23.Rh4) 23.Rh4 Qh5 24.Rh5 1–0. Roczniak,Jan – Pawliczek, corr Poland, 1980.

    6.Nbc3 d6 7.f4 Bg4 A) 8.0–0 b5 (8...Bc5 9.Kh1 b5 10.Bb3 a5 11.a4 b4–/+; 8...Nd7 9.h3 b5 10.Bb5 Qb6 11.Kh1 Bc3–/+) 9.Bb3 Bc5 10.Kh1 a5 11.a4 b4–/+; B) 8.h3 Bh5 9.0–0 b5 10.Bb3 Bc5 11.Kh2 a5–/+.

    6.Nbc3 d6 7.Ng3 A) 7...Bc3 8.Bc3 d5 (8...Bg4 9.f3 Bd7 10.a4 Qe7 11.d4 Be6+=; 8...Nf7 9.0–0 d5 10.Bb3 d4 11.Bb2 Qd6+=) 9.Qh5 Nf7 10.Bb3 0–0 11.0–0 Qd6+=; B) 7...Nf7 8.0–0 0–0 (8...Qd7 9.a3 Ba5 10.Rb1 0–0 11.Bb3 Na6+=; 8...b6 9.a3 Bc3 10.Bc3 0–0 11.d4 d5+=) 9.Qf3 Nd7 10.a3 Bc3 11.Bc3 b5+=; C) 7...Bg4 8.f3 Bd7 (8...Bc8 9.a3 Bc5 10.Bb3 Nd7 11.Nce2 Nf7+=) 9.a3 Ba5 10.Nce2 f5 11.f4 Ng4–/+.

    5.Ne2 Nc6

    6.0–0 Na5 7.Bd5 c6 8.Bb3 d5–/+ (8...Nb3 9.ab3 d5 10.ed5 Qd5 11.d4 0–0 12.de5 fe5–/+) A) 9.Bc3 Bd6 (9...Nb3 10.ab3 Bd6 11.d3 0–0 12.Bd2 Nf7–/+; 9...Be7 10.ed5 Nb3 11.ab3 cd5 12.d4 Nf7–/+) 10.d3 Be6 11.Bd2 Nf7 12.Ng3 Nb3–/+; B) 9.f4 Qb6 (9...Nb3 10.ab3 Ng4 11.Kh1 de4 12.h3 h5–/+; 9...Ng4 10.fe5 fe5 11.ed5 Qb6 12.Kh1 Nf2–+; 9...0–0 10.ed5 Nb3 11.ab3 Qd5 12.fe5 fe5–/+; 9...de4 10.fe5 fe5 11.Be5 Nb3 12.ab3 Nf5–/+; 9...Nf7 10.fe5 fe5 11.ed5 cd5 12.d4 e4–/+) 10.d4 de4 11.fe5 fe5 12.Nbc3 Nf5–+; C) 9.c3 Be7 (9...Nb3 10.ab3 Be7 11.ed5 cd5 12.Ba3 Ba3–/+) 10.d3 de4 11.de4 Qd1 12.Rd1 Nb3–/+; D) 9.Nbc3 d4 10.Nb1 Nb3 11.ab3 d3 12.Nc1 Bg4–/+; E) 9.a3 Be7 (9...Nb3 10.cb3 Be7 11.d4 de4 12.de5 Qd1–/+; 9...Bd6 10.ed5 Nb3 11.cb3 cd5 12.d4 0–0–/+) 10.ed5 Nb3 11.cb3 Qd5 12.d4 Be6–/+; F) 9.ed5 Nb3 (9...cd5 10.d4 e4 11.Bc1 Nf5 12.c3 Nb3–/+) 10.ab3 Qd5 11.d4 0–0 12.de5 fe5–/+.

    6.0–0 Na5 7.Bd5 c6 8.c3 cd5 (8...Be7!? 9.Bb3 d5–/+ (9...Nb3 10.ab3 d5 11.ed5 cd5 12.Ba3 Ba3–/+) 10.d3 de4 11.de4 Qd1 12.Rd1 Nb3–/+) 9.cb4+= Nc4 (9...Qb6 10.ed5 Qb4 11.Bc3 Qb5 12.d4 Nc4+=) 10.ed5 d6 (10...Nb2 11.Qc2 0–0 12.Qb2 d6+=) 11.Bc1 Nf5 12.d3 (12.d4 0–0=) 12...Nb6 13.Nec3 0–0 14.Be3 Ne7 15.Qf3 Bf5 16.a4 a6 (16...a5 17.b5+=) 17.a5 Nd7 18.d4 (18.Ne4 Be4 19.de4 f5=) 18...Bg6 (18...Rc8 19.Qe2+=) 19.de5 fe5 (worse is 19...de5 20.Rd1+=) 20.Qe2 Rc8 21.Re1 (21.b5 Nc5 22.Bc5 Rc5 (worse is 22...dc5 23.ba6 ba6 24.Qa6+/–) 23.ba6 ba6 (23...Nd5? 24.Nd5 Rd5 25.ab7+–) 24.Qa6 Nd5 25.Nd5 Rd5=) 21...Nf6–/+ 22.Qa2 (22.Rd1 Qc7–/+) 22...Nf5 (22...Qc7 23.Bg5–/+) 23.Bg5 (23.Bb6 Qd7 24.Qb3–/+) 23...Bf7 (better is 23...Nd4 24.Rc1 Qd7–+) 24.Nd2?? (24.Ne4 Ne7 25.Nf6 gf6 26.Bf6 A) 26...Bd5? 27.Be7 Ba2 28.Bd8 Bb1 29.Be7+– (29.Reb1?! Rfd8 30.b5 Rc5=); B) 26...Bg6 27.Be7 Qe7+=) 24...h6?? (better is 24...Rc3 25.Ne4 Rd3–+) 25.Bf6= Qf6 26.b5 (26.Nce4 Qh4 27.Rab1 Qd8=) 26...Nd4 (26...ab5 27.Nde4 Qg6 28.Nb5+=) 27.Nde4 (27.ba6!? ba6 28.Nde4=) 27...Qg6–/+ 28.ba6 (better is 28.Re3 Nb5 29.Nb5 ab5 30.Qd2–/+) 28...ba6 (better is 28...Nf3 29.Kh1 Ne1 30.Re1 ba6–/+) 29.Ng3?? (better is 29.Re3 Nf5 30.Rh3=) 29...Rc5 (better is 29...Rc3 30.Rac1 Rb3–+) 30.Nge4 Nf3 31.Kh1 Nh4 (better is 31...Ne1 32.Re1 Rc7–+) 32.Ng3?? (better is 32.Rg1 Rc7 33.Rab1=) 32...Rfc8 (32...Rc3 33.Qa4 Ng2 34.Rec1 Rc1 35.Rc1–+) 33.Qd2?? (better is 33.Nce4 Bd5 34.Qd2–/+) 33...Kh7 (33...Rc3 34.Ra4 Nf5 35.Nf5 Qf5 36.Kg1–+) 34.f3?? (34.Ra3+=) 34...Nf5 (better is 34...Rc3 35.Rg1 Qd3–+) 35.Nge4= Rc4 36.Red1 Nd4 (36...Be8 37.Rab1=) 37.Qd3 (37.Rab1 Nf5=) 37...Be8+= 38.g4 (38.Nd6!? Rc3 39.Qg6 Kg6 40.Nc8 Rc8 41.Rab1+=) 38...Bb5 39.Nb5 Nb5 40.h4 Kg8 41.Kh2 (41.Rab1 Rd4 42.Qe2 Rf8–/+) 41...Qf7 42.Qe3 Rc2 43.Kg3 Qf8 (better is 43...Rf8 44.Ra4 Rb2–/+) 44.Rdc1?? (better is 44.Rd3–/+) 44...Nd4 (better is 44...Qf4 45.Qf4 ef4 46.Kf4 Rc1 47.Rc1 Rc1 48.Kf5–+) 45.Re1 Rb8 46.Nd2 Rbb2 (46...Rd2 47.Qd2 Rb3 48.Rf1 Nf3 49.Kg2–+) 47.Rad1 Qf4 (better is 47...Nb5 48.Nf1 Nc3–+) 48.Qf4–/+ ef4 49.Kf4 Rd2 50.Rd2 Rd2 51.Ke3 Nf3! 52.Kf3 Rd5 53.Re7 (53.Re8 Kf7 54.Rd8 Ke7–/+) 53...Ra5–+ 54.Kf4 (54.Rd7 Ra3 55.Kf4 Ra4 56.Kf5 Rb4–/+) 54...Rd5 (54...h5 55.g5 Kh7 56.Rd7–+) 55.Rd7 a5 56.Ke4 Rd1 57.Ra7 Ra1 58.Kf5 (58.Ra6 a4 59.Rd6 a3–+) 58...Kh7 0–1. Roczniak,Jan – Wilczewski,P, Poland, 1997.

    5.Ne2 d6

    6.0–0 Nc6 7.c3 Ba5 8.d4 a6 A) 9.d5 Ne7 10.Bc1 Nf7 11.Nd2 0–0 12.Rb1 f5 13.a4–/+; B) 9.f4 B1) 9...Qe7 10.fe5 (10.Qc2 Bb6 11.Nd2 Bg4 12.Nf3 Be6 13.Be6+=; 10.Qd3 ed4 11.cd4 f5 12.Nbc3 fe4 13.Qe4–/+) 10...fe5 11.Bd5 Bg4 12.Nd2 Bb6 13.Nc4+=; B2) 9...Bg4 10.h3 (10.Bd5 Ne7 11.Bb3 ed4 12.cd4 d5 13.h3–/+; 10.Nd2 ed4 11.cd4 Qe7 12.Bd5 Nd8 13.Nb3+=; 10.Qc2 Bb6 11.Bd5 Qd7 12.a3 Nf7 13.Rf2–/+; 10.a3 Bb6 11.h3 Be2 12.Be2 f5 13.fe5–/+; 10.fe5 de5 11.Bd5 Bb6 12.Rf2 Qd7 13.Na3–/+) 10...Bh5 11.Nd2 Bb6 12.Qa4 Qd7 13.Nf3+=; B3) 9...Nf7 10.Na3 (10.Nd2 0–0 11.Nb3 Bb6 12.Qd3 f5 13.Rae1–/+; 10.a3 0–0 11.Qd3 Bb6 12.Nd2 f5 13.Rae1+=; 10.Bc1 0–0 11.Be3 Qe8 12.Ng3 Bb6 13.f5+=; 10.Qb3 Qd7 11.Ng3 0–0 12.Nf5 Qe8 13.fe5+=; 10.fe5 de5 11.Bd5 Nd6 12.Qa4 Bb6 13.Bc6+=) 10...0–0 11.fe5 fe5 12.Bf7 Rf7 13.Rf7+=; B4) 9...Ng4 10.Rf3 (10.Qb3 Qd7 11.Rf3 Bb6 12.Bd5 Na5 13.Qb4–/+; 10.Bc1 ed4 11.Nd4 Nd4 12.cd4 f5 13.h3+=) 10...Qe7 11.h3 Nh6 12.fe5 fe5 13.Bd5+=; B5) 9...f5 10.Bc1 (10.Ng3 Ng4 11.Qf3 fe4 12.Ne4 ed4 13.Ng5–/+; 10.fe5 de5 11.Ng3 Qh4 12.Qh5 Qh5 13.Nh5+=) 10...fe4 11.fe5 de5 12.Bh6 gh6 13.Qc2+=; B6) 9...ed4 10.cd4 Qe7 11.Bd5 Bg4 12.Nbc3 Bb6 13.Qa4+=; B7) 9...Rb8 10.Bd5 (10.Bc1 ed4 11.Nd4 Bb6 12.Kh1 Qe7 13.Qh5+=; 10.Nd2 Ng4 11.Rf3 Qe7 12.fe5 fe5 13.Bf7+=; 10.f5 b5 11.Bb3 Nf7 12.Qc2 0–0 13.Nd2+=; 10.fe5 de5 11.Bd5 Bg4 12.h3 Bh5 13.g4+=; 10.a3 b5 11.Bd5 Ne7 12.Bb3 ed4 13.Nd4–/+; 10.Na3 b5 11.Bd5 Ne7 12.Bb3 Bb6 13.Rb1–/+) 10...Ne7 11.fe5 Nd5 12.ed5 de5 13.Qa4+=; B8) 9...Bb6 10.f5 (10.Nd2 Ng4 11.Rf3 f5 12.Bd5 fe4 13.Ne4–/+; 10.Qc2 Ng4 11.Qd2 f5 12.ef5 d5 13.Bb3–/+; 10.Bc1 Bg4 11.fe5 de5 12.Bh6 gh6 13.Kh1–/+; 10.Bd5 Ne7 11.Bb3 ed4 12.cd4 d5 13.Qd3–/+) 10...Qe7 11.Bd5 Ng4 12.Bc1 ed4 13.Bc6+=; C) 9.Bc1 Nf7 10.Bf7 (10.d5 Ne7 11.Ng3 0–0 12.Qh5 g6 13.Qh4–/+; 10.Be3 0–0 11.d5 Ne7 12.Qa4 Bb6 13.Bb6–/+) 10...Kf7 11.Qb3 Kg6 12.Be3 Bb6 13.Nd2+=.

    6.0–0 Nc6 7.c3 Ba5 8.d4 Bb6 9.Bc1+= Nf7 10.Be3 (10.Qd3 0–0 11.Qg3 f5 12.Bg5 f4 13.Bf7–/+; 10.Re1 0–0 11.Qd3 f5 12.ef5 Qf6 13.Ng3–/+) 10...0–0 11.Ng3 f5 12.Nf5 Bf5 13.ef5–/+.

    6.0–0 Nc6 7.c3 Ba5 8.d4 ed4 9.cd4= (9.Nd4 Ne5 10.Qh5 (10.Nd2 Bb6 11.Qh5 Nhf7 12.Ne6 Be6 13.Be6+=; 10.Bd5 c6 11.Bb3 Qe7 12.Bc1 Nhf7 13.f4+=; 10.Be6 Bb6 11.Qh5 Nhf7 12.Bc1 0–0 13.Bd5–/+; 10.Bb3 Bb6 11.Bc1 Nhf7 12.a4 Qe7 13.a5+=) 10...Ke7 11.Be2 Qe8 12.Qh4 Kd8 13.Nd2=) 9...Qe7 (9...a6 10.Nf4 (10.Nbc3 Nf7 11.Nf4 0–0 12.Ne6 Be6 13.Be6=; 10.Ng3 Bb6 11.Qh5 Kf8 12.Qd1 f5 13.Re1=; 10.Nd2 Bg4 11.Rb1 Qe7 12.f3 Bd7 13.Nb3=; 10.Na3 f5 11.d5 Ne5 12.f4 Bb6 13.Bd4+=; 10.Bc3 Bc3 11.Nbc3 Na5 12.Bd5 c6 13.Bb3+=; 10.a3 f5 11.Qc2 Bd7 12.d5 Ne5 13.Be5+=; 10.Bc1 Nf7 11.Nd2 0–0 12.Nb3 Bb6 13.a4+=) 10...Bg4 11.Qb3 Bb6 12.Qd3 Rb8 13.Nd5=; 9...Qd7 10.Qa4 (10.Nf4 Qg4 11.Qg4 Bg4 12.f3 Bd7 13.Nh5=; 10.Ng3 a6 11.Nc3 Qg4 12.Nd5 Qd1 13.Rad1=; 10.Nbc3 Nf7 11.Nf4 0–0 12.Be6 Qe8 13.Qg4=; 10.Bc3 Bc3 11.Nbc3 Na5 12.Bd3 0–0 13.Qc2+=) 10...a6 11.Bd5 Bb6 12.Nbc3 Nf7 13.Bf7=; 9...Rb8 10.Nf4 (10.Bc1 Nf7 11.Qa4 Bd7 12.d5 Nce5 13.Qa5=; 10.Nbc3 f5 11.ef5 Qh4 12.f6 gf6 13.g3+=) 10...Nf7 11.Be6 0–0 12.d5 Nce5 13.Bc8=; 9...Bg4 10.Nbc3 (10.h3 Bd7 11.Nf4 Qe7 12.Nd5 Qf8 13.Qh5=; 10.f3 Bc8 11.Nf4 f5 12.Nc3 Qh4 13.g3=; 10.d5 Ne7 11.Qa4 c6 12.dc6 bc6 13.Nd4=) 10...Rb8 11.h3 Bh5 12.Qa4 a6 13.Nf4+=; 9...Bd7 10.Nf4 (10.Bc1 f5 11.Bh6 gh6 12.ef5 Qf6 13.Nd2=; 10.Ng3 Bb6 11.Re1 Bg4 12.Qd2 Nf7 13.Qf4=; 10.Nbc3 f5 11.Re1 Qh4 12.g3 Qg4 13.Nf4=; 10.Nd2 Nf7 11.Nf4 Bb6 12.Nb3 0–0 13.a4=) 10...g6 11.Nc3 Rc8 12.Rb1 Bg4 13.Qa4+=) 10.Nbc3 (10.Bd5 Bd7 11.Bc3 Bc3 12.Nbc3 Nd8 13.Rb1=) 10...Bg4 (10...Nf7 11.Ng3= 0–0 12.Nd5 Qd8 13.Rb1=) 11.Nd5+= Qd7 (11...Qe4? 12.f3 Bf3 13.Rf3+– (13.gf3?! Qh4+/–)) 12.Ndf4 (12.f3 Be6 13.Nf6+=) 12...g5 (12...Qe7 13.f3= (13.Bc1=)) 13.f3+= gf4 14.Nf4 Qg7 (14...Bf5!? 15.ef5 Qf5+=) 15.fg4+/– Ng4?? (15...Qg4 16.Nd5 Qd1 17.Rad1+/– (17.Rfd1?! Ng8+=)) 16.Be6 (better is 16.Nh5 Qg5 17.Qg4 Qg4 18.Nf6 Ke7 19.Ng4+–) 16...h5+/– 17.Rf3 (17.Rc1 Rb8 18.Bd5 Ne3+–) 17...Bb6 18.Nd5 Kd8 19.Rg3 (19.Qa4 Re8 20.Bf5 Nh6+=) 19...Qh7 (19...Qg5 20.Nb6 ab6 21.Qf3+=) 20.Bf5+/– Qf7 21.Qa4 Na5 (21...Qe8 22.Nb6 cb6 23.Rf1+/–) 22.Rf1 (22.Nf4 Qe8 23.Ne6 Ke7+/–) 22...c6 23.Bg4 cd5 (23...hg4 24.Nb6 ab6 25.d5+/– (worse is 25.Rg4 d5+=)) 24.Rf6 Qc7 (24...Qe7 25.Re6 Qd7 26.Qb4+–) 25.Be6 Nc4 26.Bc3 Qc6 27.Qc6 (27.Qd1 h4 28.Rg7 Ne5+–) 27...bc6 28.ed5 c5 29.dc5 Bc5 30.Kf1 Ne5 31.Bg8 (better is 31.Rg7 Rb8+–) 31...Rc8? (better is 31...Ke7 32.Re6 Kf8 33.Be5 de5 34.Rf6 Ke7 35.Rf7 Kd6 36.Rg6 Kd5 37.Rf8 Rg8 38.Rfg8 Rg8 39.Rg8 h4+–) 32.Rg7+– Ke8 33.Be5 de5 34.d6 (34.d6 Bd6 35.Rd6+–) 1–0. Roczniak,Jan – Wojtczak,Krzysztof, corr Poland, 1967.

    6.0–0 Ng4 7.a3 Ba5 8.Ng3 a6 9.Nc3 Nh6 10.h3 c6 11.Qf3 Ng8 (11...Qc7 12.Rfb1+=) 12.Rad1 d5 (12...b5!? 13.Bg8 Rg8 14.Qh5 Ke7 15.Qh7 Qe8+=) 13.ed5+= cd5 14.Nd5 Nh6 (better is 14...Nd7!?+/–) 15.d4+– ed4?! (15...Nd7 16.de5 fe5 17.Qh5 Kf8+–) 16.Bd4 Bd7 (16...Be6 17.Nh5 Nf5 18.Ng7 Ng7 19.Nf6 Ke7 20.Bc5 Kf7 21.Nh5 Kg6 22.Nf4 Kh6+–) 17.Qe3 Kf8 (17...Be6 18.Qe6 Kf8 19.Bc5 Qe7 20.Qe7 Kg8 21.Nf6) 18.Bc5 Kf7 (18...Qe7 19.Qe7 Kg8 20.Nf6) 19.Nf4 Be6 20.Qe6 1–0. marekt – CHATHAM1950, chessworld.net, 2011.

    6.0–0 a6

    7.c3 A) 7...Ba5 A1) 8.Nd4 Nf7 (8...Kf8 9.Ne6 Be6 10.Be6 Nd7 11.d4 Qe7 12.Qb3 Re8 13.Bh3 Nb6; 8...Qe7 9.Qa4 b5 10.Qa5 bc4 11.Nc2 Be6 12.Nba3 Nd7 13.f4 ef4; 8...Nc6 9.Ne6 Be6 10.Be6 Nf7 11.Na3 b5 12.Nc2 Bb6 13.a4 0–0) 9.Qa4 c6 10.Ne6 Be6 11.Be6 Ng5 12.Bf5 Nd7 13.h4 Nc5; A2) 8.Na3 Nf7 (8...b5 9.Bb3 Nf7 10.Ng3 0–0 11.Nf5 Nc6 12.Bd5 Bd7 13.Qh5 g6) 9.Ng3 Nc6 10.Nc2 0–0 11.Ne3 Bb6 12.d4 Na5 13.Bd3 Bd7; B) 7...Bc5 B1) 8.Qc2 Nf7 (8...Nc6 9.d4 Bb6 10.Na3 Nf7 11.Bd3 0–0 12.Nc4 ed4 13.cd4 Nb4; 8...Bb6 9.Na3 Nc6 10.h3 Nf7 11.Bd5 Ne7 12.Bb3 d5 13.c4 c6) 9.d4 Bb6 10.Nd2 Nc6 11.Bd3 Na5 12.Nc4 Nc4 13.Bc4 0–0; B2) 8.h3 Nc6 (8...Nf7 9.d4 Bb6 10.Nd2 Nc6 11.Bd3 0–0 12.Nc4 Ba7 13.Qb3 b5; 8...Bb6 9.Na3 Nc6 10.d4 Nf7 11.Bd3 Na5 12.Nc4 Nc4 13.Bc4 0–0) 9.d4 Bb6 10.Nd2 Nf7 11.Bd5 Na5 12.Nc4 c6 13.Qa4 0–0; B3) 8.d4 Bb6 9.Nd2 Nf7 10.de5 fe5 11.Bd5 Nc6 12.Nc4 Bc5 13.Nc1 Ne7; C) 7...b5 8.Bd5 (8.Bb3 Ba5 9.a4 Nf7 10.Na3 c6 11.Nc2 0–0 12.Ne3 Nd7 13.d4 Nb6) 8...c6 9.Bb3 Ba5 10.Ng3 Nf7 11.d4 0–0 12.Nd2 Nd7 13.f4 ed4.

    7.Nbc3 A) 7...Nf7 A1) 8.Ng3 0–0 (8...Nc6 9.Nd5 Bc5 10.Nf5 b5 11.Bb3 0–0 12.c3 Bf5 13.ef5 Na5) 9.a3 Bc5 10.Nf5 Bf5 11.ef5 Nc6 12.Be6 Nd4 13.Ne4 Ne6; A2) 8.Nd5 Ba5 (8...Nc6 9.Nb4 Nb4 10.Bc3 Nc6 11.Ng3 0–0 12.Qh5 Qe7 13.Rab1 Rb8) 9.Ng3 Nc6 10.a4 0–0 11.Nf5 Bf5 12.ef5 Qd7 13.f4 Nb4; A3) 8.Nc1 Nc6 (8...0–0 9.a3 Bc3 10.Bc3 Nc6 11.Nd3 Qe8 12.Qb1 b5 13.Bd5 Be6; 8...Bc3 9.Bc3 Nc6 10.Nd3 Ng5 11.Bd5 Ne7 12.Qh5 g6 13.Qe2 Nd5) 9.Nd3 0–0 10.Nd5 Ba5 11.c3 b5 12.Bb3 Rb8 13.Qe2 Re8; A4) 8.a3 Bc3 9.Nc3 Nc6 10.Nd5 0–0 11.Qf3 b5 12.Bb3 Bd7 13.h4 Nd4; B) 7...Nc6 B1) 8.Nd5 Nf7 (8...Ba5 9.a4 Nf7 10.Ra3 0–0 11.Rg3 Be6 12.d4 Ng5 13.Qd3 Bf7) 9.Nb4 Nb4 10.Bc3 Nc6 11.Rb1 0–0 12.d4 b5 13.Bd5 Qe8; B2) 8.a3 Bc5 (8...Bc3 9.Bc3 Nf7 10.Rb1 0–0 11.d4 Qe7 12.f3 b5 13.Bd5 Bb7) 9.Nd5 b5 10.Bb3 Bg4 11.h3 Bh5 12.Nb4 Nb4 13.ab4 Bb4.

    7.d4 Nc6 8.Nd2 (8.a3 Ba5 9.Nbc3 Nf7 10.Rb1 0–0 11.Qd2 Bd7 12.h3 Kh8 13.d5 Ne7) 8...f5 (8...Nf7 9.a3 Bd2 10.Qd2 0–0 11.Bc3 Qe8 12.Bd5 ed4 13.Nd4 Nd4) 9.c3 Ba5 10.Bd5 Ne7 11.Bb3 f4 (11...fe4!? 12.de5 (12.Nc4 Nc6 13.Re1 d5) 12...d5+= (12...de5 13.Ng3 e3) 13.c4 c6) 12.Nf4 ef4 13.Qh5 Ng6 (13...Kf8+–) 14.Qa5 b6 15.Qd5 Bd7 16.Rfe1 c6 17.Qd6 Rf8 18.e5 Nf5 19.Qb4 a5 20.Qc4 Ngh4 21.Ne4 Ng2 22.Kg2 f3 (22...Qh4 23.Kh1 Qh3+–) 23.Kh1 (23.Kf3 Qh4 24.Kg2 Qg4 25.Kh1 Qf3 26.Kg1 Nh4=) 23...b5 (23...Qc7+–) 24.Nd6 Nd6 25.ed6 1–0. marekt – carrot1, chessworld.net, 2011.

    7.d4 Bd7 A) 8.Nd2 Nf7 (8...Nc6 9.c3 Ba5 10.Bd5 Ne7 11.Nc4 Nd5 12.Na5 Nb6 13.de5 fe5; 8...b5 9.Bd5 Bc6 10.Nb3 Bd5 11.ed5 c5 12.dc5 Bc5 13.Nc5 dc5) 9.Nb3 Bb5 10.Bf7 Kf7 11.a3 c5 12.ab4 cd4 13.Qd2 Qb6; B) 8.c3 Ba5 9.Na3 Nc6 10.Bd5 b5 11.Qb3 Bb6 12.c4 Nd4 13.Nd4 Bd4; C) 8.a3 Ba5 9.Nbc3 Nc6 10.Qd2 Nf7 11.Qe3 0–0 12.Nd5 b5 13.Bb3 Re8; D) 8.Bd5 c6 9.Bb3 Nf7 10.Nbc3 0–0 11.a3 Ba5 12.Qd3 Qe7 13.f4 Re8.

    7.d4 Nd7 A) 8.Nd2 Nb6 (8...ed4 9.Bd4 Ne5 10.c3 Nc4 11.Nc4 b5 12.Nb6 cb6 13.cb4 Be6) 9.Bb3 Bd7 10.c3 Ba5 11.Nf4 Nf7 12.Ne6 Be6 13.Be6 Qe7; B) 8.c3 Nb6 9.Nd2 Ba5 10.Bb3 Qe7 11.Ng3 Bg4 12.Nf3 0–0–0 13.h3 Be6.

    7.d4 Nf7 8.Nd2 (8.c3 Ba5 9.Nd2 0–0 10.de5 fe5 11.Bb3 Nc6 12.Nc4 b5 13.Ne3 Qf6) 8...Nc6 9.a3 Bd2 10.Qd2 0–0 11.a4 Re8 12.d5 Ne7 13.Qe3 Ng6.

    6.0–0 Qe7

    7.c3 Ba5 8.Qa4 Nc6 9.d4 ed4 10.Nd4+=.

    7.c3 Ba5 8.d4 Bb6+=.

    7.c3 Ba5 8.d4 Nd7+=.

    7.c3 Ba5 8.d4 Be6?? 9.Be6+– Bc3 10.Nbc3 Qe6 11.Nd5 Na6 12.f4 0–0 (12...c6 13.Ndc3+–) 13.f5 Qe8 (13...Qf7+–) 14.Qb3 Kh8 15.Qb7 (15.Qb7 Rb8 16.Qa6 Rb2 17.Rfe1+–) 1–0. Roczniak,Jan – Grund,Karl Heinz, Poland corr Poland, 1980.

    7.c3 Ba5 8.d4 Be6?? 9.Be6+– Bc3 10.Nbc3 Qe6 11.Nd5 Na6 12.f4 (12.Qb3 Rb8+–) 12...0–0 (12...c6 13.Ndc3+–) 13.f5 (13.Qb3 ed4 14.Nd4 Qf7 15.Qb7 Nc5 16.Qc7 Ne4 17.Qf7 Rf7+– (17...Nf7?? 18.Ne6+–)) 13...Qe8 (13...Qf7 14.Bc1 c6 15.Ndc3+–) 14.Qb3 Kh8 15.Qb7 ed4 (15...Rb8 16.Qa6 Rb2+–) 16.Qa6 Qe4 17.Ndf4 (better is 17.Nc7 d3 18.Nc3 Qe3 19.Kh1+–) 17...Nf5 18.Qd3 (better is 18.Rae1!? Rfe8 19.Nd4 Qe1 20.Re1 (20.Nf5?! Qe4 21.Nh5 Qe2 22.Qe2 Re2+–) 20...Re1 21.Kf2+–) 18...Qd3 19.Nd3 c5?? (better is 19...Ne3 20.Nd4 Nf1 21.Kf1 c5+–) 20.Rf5 c4 (20...Rfe8 21.Kf2+–) 21.Nf2 d3 22.Nc3 Rf7 (22...Rfd8 23.Nfe4 Rab8 24.Ba3+–) 23.Nfe4 Rd7 24.Rd5 Re8 (24...Rad8 25.Rc1 Rb7 26.Nd1+–) 25.Nd6 Re5 (25...Rd6 26.Rd6 Kg8+–) 26.Nf7 Kg8 27.Rd7 Re3 28.Nd6 d2 29.Rd8 Re8 30.Re8 1–0. Roczniak,Jan – Zembicz,R, corr Poland, 1997.

    7.c3 Bc5 8.d4 Bb6 9.Bc1+=.

    5.f4 d6=+

    6.a3 Bg4 (6...Bc5 7.Qh5 Ke7 8.Ne2 Bg4 9.Qh4 Nd7 10.Nbc3+=) 7.Be2 (7.Nf3 Bc5 8.h3 Bh5 9.Nc3 Nd7 10.g3–/+) 7...Be2 8.Ne2 Bc5 9.d4 Bb6 10.0–0–/+.

    6.c3 A) 6...Ba5 7.fe5 (7.Qh5 Kf8 8.f5 Nd7 9.Bc1 Nc5 10.d4+=) 7...de5 8.Qh5 Kd7 9.Qh3 Kc6 10.Bd5=; B) 6...Bc5 7.Qh5 (7.d4 ed4 8.Qh5 Ke7 9.cd4 Bg4 10.Qh4+=) 7...Ke7 8.d4 Bg4 9.Qh4 ed4 10.cd4+=.

    6.Qh5 Kd7 7.c3 (7.Ne2 Qe8 8.Qh3 Kd8 9.Qg3 Qe7 10.0–0+=; 7.f5 Qe8 8.Qf3 Kd8 9.c3 Bc5 10.Qg3+=; 7.a3 Bc5 8.f5 c6 9.Ne2 Qe8 10.Qf3+=; 7.Qh3 Ke8 8.Qh5 Ke7 9.c3 Bg4 10.Qh4+=; 7.fe5 de5 8.Nf3 Nc6 9.c3 Bd6 10.0–0+=) 7...Ba5 8.Qh3 Ke7 9.Qg3 g6 10.fe5=.

    6.Qh5 Ke7 7.c3+= Bg4 8.Qh4 Bc5 9.d4 ed4 10.cd4+=.

    6.Qh5 Ke7 7.f5 c6 8.c3 Bc5 9.Bb3 d5 10.d3–/+.

    6.Qh5 Kf8 7.c3 Ba5+=.

    6.Qh5 Kf8 7.c3 Bc5 8.f5 (8.d4 A) 8...ed4 9.cd4 A1) 9...Bb6 10.f5 Nc6 11.d5 Ne5 12.Be5 de5+=; A2) 9...Bb4 10.Kf2 (10.Kf1 c6 11.a3 Ba5 12.h3 d5–/+) 10...Qe7+= 11.Qe2 f5 12.a3 Ba5+=; A3) 9...Bg4 10.Qh4 Qe7 11.Bd3 Bb4 12.Bc3 d5–/+; B) 8...Bg4 9.Qh4 ed4 10.cd4 Qe7 11.Bd3 Bb4 12.Nc3 d5–/+) 8...c6–/+ 9.d4 (9.Bb3 d5 (9...Qb6 10.Nf3 d5 11.d4 ed4 12.Bc1 dc3+=) 10.d3 de4 (10...a5 11.a4 Qb6 12.Ba3 Ba3–/+) 11.de4 Qd3–/+ 12.Qf3 Qf3–/+) 9...d5 (9...ed4 10.cd4 Qb6 11.Bc3 Bd4 12.Ne2 Bf2 13.Kf1–+) 10.Bb3 (10.dc5!? dc4 11.Na3+= Qd3 12.Qe2 g6+=) 10...ed4–+ 11.cd4 Bb4 12.Nc3 (12.Bc3 Bc3 13.Nc3 de4–+) 12...de4 13.Nge2 Qe8 (13...Bf5 14.0–0 Bg4 15.Qe5–+) 14.Qh4 (14.Qe8 Ke8 15.0–0 Bf5–+) 14...Nf5 15.Qf4 Qh5 (15...e3 16.0–0–+) 16.g4 (better is 16.Qe4 Nd6 17.Qf4–+) 16...Qh4 17.Kd1 (17.Kd2 Ne7 18.Rag1 f5–+) 17...Bd6 (17...Qg4 18.Ne4 (18.Qg4?? Ne3 19.Ke1 Bg4–+) 18...Ke8 19.Rg1–+) 18.Qe4 (18.Ba3 Ke7 19.Qe4 Kd8 20.gf5 Qe4 21.Ne4 Ba3–+) 18...Qg4! 19.d5 (19.Qg4 Ne3) 19...Qe4 20.Ne4 Be7 21.Rc1 Na6 22.dc6 bc6 23.Rc6 (23.Nf4 Bd7–+) 23...Bb7 24.Re6 Nc7 (24...Rd8!? 25.Ke1 Nc7 26.Re7 Ke7 27.Ba3 Ke8 28.Bc2–+) 25.Nf4 Ne6 26.Ne6 Ke8 27.Re1 Rd8! 28.Nd8 Kd8 29.Re2 Nd6 30.Nd6 Bd6 31.Rd2 Kc7 32.Rc2 Kb8 33.Rd2 Bf4 (33...Bf3 34.Kc2 Be4 35.Kc3–+) 34.Rd7 Bh2 35.Rg7 Be5 36.Be5 fe5 37.Re7 h5 38.Re5?! (38.Be6–+) 38...h4 39.Re2 (39.Rb5 Ka8 40.Be6 h3 41.Bh3 Rh3–+) 39...Bf3 40.Ke1 Be2 41.Ke2 h3 42.Bd5 h2 43.Bh1 Rg8 44.Kf2 Kc7 45.Bg2 Rg7 46.Kf3 Kd6 47.Kf2 Kc5 48.Kf1 Kb4 0–1. Okon,D – Stypka,M, Police Poland, 1993.

    6.Qh5 Kf8 7.f5 Qe8 (7...c6 8.Nc3+=) 8.Qh4 (8.Qe2 Bc5+=) 8...Bd7 (8...Qc6 9.Bd3–/+) 9.a3 (9.Nf3 c6=) 9...Bc5+= 10.Nc3 (10.Nf3 Ba4+=) 10...Nc6 (10...c6 11.d3+=) 11.Nd5 Qd8 12.Ne2 Nf7 13.c3 Na5 14.Ba2 c6 15.Nb4 Qb6 (15...d5 16.d4 ed4 17.cd4=) 16.Rb1 (16.d4 ed4 17.cd4 Bb4 18.ab4 Nc4= (worse is 18...Qb4 19.Bc3 Qb5 20.Bf7+/–)) 16...Qc7 (16...d5 17.Nd3 de4 18.Bc1 ed3 19.Rb6 Bb6 20.Ng3+=) 17.Nd3 (17.d4!? Bb6 18.0–0=) 17...Bb6+= 18.Nf2 (18.Ng3 Rd8+=) 18...c5 (18...d5 19.d3+=) 19.c4= Ba4 (19...Nc6 20.Nc3=) 20.Bc3 (20.Nc3 Qc6=) 20...Qc6 (20...Nc6 21.Bb3 Bb3 22.Rb3+=) 21.0–0= Ng5 (21...Ke8 22.Ng3=) 22.Rb2 (22.d3 Nf7=) 22...Qc7 (22...Kf7 23.Qh5 g6 24.Qg4=) 23.Rfb1 Bc6 24.d3 Kf7 25.Ng4 (25.Qg3 Kg8=) 25...Rad8 (25...Rhe8 26.Bd2 Kg8 27.Bg5 fg5 28.Qg5=) 26.Ne3 (26.Bd2 Rdf8=) 26...Rd7 (26...Rhe8!?=) 27.Bd2+= h6 (27...Ra8 28.Nc3 Qd8 29.Ncd5+/–) 28.Qh5 Ke7 (28...Kg8 29.Nc3+/–) 29.h4 (29.Nc3 Qc8+–) 29...Nf7+/– 30.Nc3 Kf8 (30...Ke8 31.Ncd5 Qb8 32.Qg6 Bd5 33.Nd5+–) 31.Ncd5+– Qc8? (better is 31...Qb8+–) 32.Nb6 ab6 33.Rb6 Qa8 34.Qd1 (34.Qd1 Qa7 35.Qe1 Be4 36.de4+– (36.Ba5?! Bd3 37.R1b2 Kg8+–)) 1–0. Szczesiak,Zenon – Wlosek,Maciej, corr 2AMM Poland, 1994.

    5.Qh5 Ke7

    6.a3 Ba5 7.Be5+/– Bd2 (7...Nc6 8.Bf4+/– Qe8 9.Qd5 Qg6 10.Ne2 Re8 11.Ng3+=; 7...Qe8 8.Bf6 gf6 9.Qh6 Qg6 10.Qg6 hg6 11.Ne2+/–) 8.Nd2 fe5 9.Qg5 Kd6 10.Qg7 Qf8 11.Qg3 (11.Qg5+/–) 11...Nc6 12.Ndf3 Rg8? (better is 12...Qf6+/–) 13.Rd1+– Ke7 14.Bg8 (14.Bg8 Ng8 15.Ne5 Ne5 16.Qe5 Kd8 17.Nf3+–) 1–0. Hecht – Koldehofe, Traben–Trarbach, 1956.

    6.a3 Bc5 7.Nc3 d6 8.h3+=.

    6.a3 Bc5 7.Nc3 Qf8 8.Nge2 (8.Nf3 Kd8+/–) 8...c6 (8...Kd8 9.0–0+/–) 9.Qh4 (9.d4 g6 10.Qf3 ed4 11.Nd1+=) 9...g5+/– 10.Qg3 b5 11.Bb3. marekt – kildemoes, chessworld.com, 2015.

    6.a3 Bc5!?= 7.Be5 d5 8.Bc3 (8.Bg3 Bd4 9.c3 dc4 10.cd4 Qd4 11.Nc3=; 8.Bf4 Ng4 9.Nh3 Bd4 10.ed5 g6 11.d6=) 8...Bf2 9.Kf2 dc4 10.Bb4 Kd7 11.Qb5=.

    6.a3 Bc5 7.Be5 fe5?? (better is 7...d5 8.Bc3 Bf2 9.Kf2 dc4 10.Bb4 Kd7 11.Qb5 Nc6 12.Qc4 Ng4 13.Kg3 Nge5 14.Qd5 Ke8=) 8.Qe5+– Kf8 9.Qc5 d6 10.Qd5 Qf6 11.Nc3 c5 (11...c6!? 12.Qd3 Nd7+/–) 12.Nf3 White prepares the advance e5 (12.Rb1 Nc6+–) 12...Nc6 (12...Nd7 13.Rb1+–) 13.Rb1 Ne7 (13...a6 14.Rb6 Qd8 15.0–0+–) 14.Qd3 b6 (14...Qg6 15.0–0+–) 15.e5 Qg6 16.ed6 (16.ed6 Nc6 17.d7+–) 1–0. jdzg – rqdf, internet, 2009.

    6.a3 Bc5+= 7.Nf3 d6 8.h3 Nc6 9.Nc3 Nd4 (9...Re8 10.0–0 Kf8 11.d3+=) 10.Nd4 (10.Nd5 Kd7 11.Nd4 Bd4 12.Bd4 ed4+=) 10...Bd4 11.Nd5 Kd7 12.c3 (12.Bd4 ed4 13.Nf4+=) 12...Bc5? (better is 12...Bb6+=) 13.d4+– ed4 14.cd4 Bb6 15.e5 c6?? (15...Qe8 16.Qd1 Ba5 17.Nb4 Kd8+–) 16.e6! Ke6 17.Nb6 d5 18.Na8 dc4 19.0–0–0 Nf5 (19...Kd6 20.Qc5 Ke6 21.Qc4 Ke7 22.Rhe1 Kf8+–) 20.Rhe1 Kd5 (20...Kd6 21.a4 g6+–) 21.Qf3 Kd6 22.Qf4 Kd5 23.Re8! Re8 (23...Qe8 24.Nc7; 23...Re8 24.Nc7 Combination) 24.Nc7 Qc7 25.Qc7 b6 (25...Nd6 26.a4 c3 27.Bc3+–) 26.Qa7 Re2 (26...Nd6 27.Qb6 Nb7 28.a4+–) 27.Qb6 Ke4 28.Qc6 Kf4 29.Qf3 Kg5 30.Qe2 c3 31.Bc3 Nd6 32.Qe7 Nb5 33.Bd2 (33.Qg7 Kf4 34.Qg3 Kf5 35.Qg4) 33...Kg6 (33...Kh5 34.Qg7 Bh3 35.gh3 Nd4 36.Qh7) 34.Qe8 Kf5 35.g4 1–0. b4_player – lakerlarry, internet, 2014.

    6.a3 Bd2?? 7.Nd2+– (7.Kd2?! d5 8.ed5 Nc6+–) 7...d5 (7...c6 8.a4+–) 8.Bd5 Be6 (8...Nc6 9.Ngf3 Qe8 10.Qh4+–) 9.Bb7 c6 (9...Nd7 10.Ba8 Qa8+–) 10.Ba8 Bg4 (10...Na6 11.Qe2 Qa5 12.Bc6+–) 11.Qh4 Qf8 (11...Na6 12.h3 Bd7 13.f4 ef4 14.0–0–0+–) 12.Ngf3 g5 13.Qg3 Qd8 14.Ne5! Qb6 (14...fe5 15.Qe5 Double attack (15.Nf3 Decoy)) 15.Nec4 (better is 15.Ndc4 Qc5 16.a4+–) 15...Qb5 16.Qd6 Kf7 17.Qf6 Ke8 18.Nd6 1–0. pierre – oppoqo, internet, 2010.

    6.c3 Bc5 7.d4 ed4?? 8.Qc5+– d6 9.Qd5 c6 (9...dc3 10.Nc3 Nd7 11.Nf3+–) 10.Qd4 c5 11.Qd3 Nc6 12.Nf3 a6 13.0–0 Bg4 14.Bc1 b5 (14...Nf7 15.Bd5+–) 15.Bd5 c4 16.Qd1 Rc8 17.Bh6 gh6 18.a4 b4 (18...Ne5 19.Nbd2+–) 19.Bc6 (worse is 19.Bc4 Bf3 20.gf3 Qa5+–) 19...Rc6 (19...Bf3 20.Qf3 Rc6 21.cb4+–) 20.Nd4 Qd7 (20...Bd7 21.Nc6 Bc6 22.cb4 Qb6+–) 21.Nc6 Kf7 (21...Ke8 22.f3 Qc6 23.fg4+–) 22.Qd5 Be6 23.Qh5 Kg8 24.Nb4 Bf7 (24...Kg7 25.Qa5 Ra8 26.Rd1+–) 25.Qa5 Bh5 26.Qh5 Qe7 27.Nd2 a5 28.Qa5 Qe5 29.Qd8 Kg7 30.Qd7 Kg6 31.Nc4 Qc3 32.Nd5 Qc4 (32...Qe5 33.Ne5 fe5 34.Qe6 Kh5 35.Qf5 Kh4 36.g3) 33.Nf4 Kg5 34.Qf5 1–0. pierre – TALWYN, ChessWorld.net, 2005.

    6.c3 Bc5 7.d4 d5 8.ed5 ed4 9.Qe2 Kd6–/+.

    6.Nc3 Kf8+/–.

    5.Qh5 Kf8

    6.a3 Bc5 7.f4 d6 8.Nf3 Bg4 9.Qh4 Bf3 10.gf3 Nd7 11.f5 c6 12.Nc3 Nb6 13.Bb3 d5 14.a4 a5 15.ed5 cd5 16.0–0–0? Bd4?? 17.f4? Nf5–+ 18.Qg4 Nh6 19.Qg2 Nc4 20.Bc4 dc4 21.fe5 Be5 22.Rhg1 Rg8 23.Rde1 Qc7 24.Nd5 Bb2 25.Kb2 c3 26.dc3 Qc6–/+ 27.Re7?? Nf5 28.Rc7= Qa4 29.Nf6 Qb5 30.Kc1 (30.Kc1 g5 31.Nh7 Ke8 32.Rb7+–) 1–0. orangutanb4 (1985) – kiticr (1785), kurnik, 2011.

    6.c3 Bc5 7.d4 Bd6 (better is 7...d5!? 8.Bd5 c6=) 8.Nf3+/– c6 (8...ed4 9.Bc1 (worse is 9.Nd4 Qe7=) 9...Qe8 10.Qe8 Ke8 11.cd4 Bb4 12.Kf1+=) 9.de5 (9.0–0 b5 10.Bb3 a5+–) 9...Be5 (9...fe5 10.a4 Bc5 11.Ne5 d5 12.Qf3 Qf6 13.ed5 Bf5+/–) 10.Ne5+– fe5 11.Ba3 d6 12.0–0 b5?? (better is 12...Bg4 13.Qe5 c5+–) 13.Rd1 c5 (13...Qe7 14.Rd6 c5 15.Bc5+–) 14.Bc5! (14.Bb5?! Bg4 15.Rd6 Nd7 (15...Bh5?? 16.Rd8 Ke7 17.Rh8+–) 16.Rd7 Bh5 17.Bc5 Kg8 18.Rd8 Rd8+/–) 14...Bg4 (14...dc5 15.Rd8) 15.Rd6 Bh5 (15...g5 16.Rd8 Kg7 17.Qg5) 16.Rd8 1–0. Trkn – guest6260, ICC, 2004.

    6.c3 Qe8?? 7.Qe8+– Ke8 8.cb4 Nc6 9.a3 (9.b5 Nd4 10.Bd4 ed4+–) 9...d6 (9...Nf7 10.Nf3+–) 10.Nc3 (10.Ne2 Bg4+–) 10...Bg4 (10...Nd4 11.Rc1+–) 11.f3 Bd7 12.Nd5 (12.Nge2 f5+–) 12...Rc8 13.Ne2 Nd8 14.d4 Be6 15.0–0 (15.de5 fe5 16.Bc1 Nhf7+–) 15...Nhf7 16.Rac1 Bd7 (16...c6 17.Ne3 Bc4 18.Rc4 Kd7+–) 17.Nc7 Kf8 18.Bb3 Ke7 (18...Bc6 19.Nd5+–) 19.Nd5 Kf8 20.Rc8 Bc8 21.Rc1 Bd7 (21...Be6 22.Rc7+–) 22.Rc7 Bc6 23.f4 (23.Kf2 Ne6 24.Rc8 Ned8+–) 23...Ke8 (23...ef4 24.Nef4 Ng5 25.Bc2+–) 24.a4 (24.Kf2 ef4 25.Nef4 Ng5+–) 24...a6 25.Bc3 (25.Kf2 Bd5 26.Bd5 b5+–) 25...Kf8 (25...b5 26.a5+–) 26.f5 (better is 26.de5 de5 27.b5 Bd5 28.Bb4 Kg8 29.Bd5 h6+–) 26...h6 (26...b5 27.ab5 ab5+–) 27.Ne7 Ke8 (27...Be4 28.Ng6 Kg8 29.Nh8 Kh8 30.Ng3+–) 28.Ng6 Rg8 (28...Bd7 29.Bf7 Nf7 30.Nh8 Nh8 31.Rb7 Nf7+–) 29.Re7 1–0. Brzoza,Miroslaw – Wlosek,Maciej, corr 2AMM Poland, 1994.

    6.Qe2 c6 7.a3 Bc5 8.Nc3 b5 9.Bb3 d6 10.Nf3 a5 11.0–0 a4 12.Ba2 Qb6 13.Nd1 Ba6 (13...f5 14.Nc3+=) 14.d3 Ke7 15.c3 Qa7 16.Qd2 Nd7 17.d4 Bb6 18.Ne3 Rhd8 19.Rfe1 Ba5 (19...Kf8 20.Be6+=) 20.Rac1 Nb6 21.h3 Bc8 22.Qe2 Bd7 23.Red1 Be8 24.g4 (24.c4!?+=) 24...Bg6+= 25.Nf5 Nf5 26.ef5 Bf7 27.Bf7 Kf7 28.Ba1 Nc4 29.Qe1 (better is 29.Qe4–+) 29...Na3 30.Nd2 (30.de5 fe5 31.Ng5 Kg8–+) 30...Re8 31.de5 Re5 (31...fe5 32.Bb2 Qc5 33.Ne4+–) 32.Qf1 Rae8 (better is 32...Qe7!? 33.c4 Re2 34.Re1–+) 33.Nf3 Nc4 (33...Rd5 34.Rd5 cd5 35.Re1 Re1 36.Qe1–+) 34.Ne5 fe5 (34...Ne5?! 35.Rd6 Qc5 36.Re6+=; 34...de5?! 35.Rb1–+) 35.Re1 e4 36.Kh2 (better is 36.Rcd1–+) 36...Nd2 37.Qg2 Nf3 38.Kh1 Ne1 39.Re1 d5 40.Re2 Qc5 (40...Qc5 41.g5 Bc3–+) 0–1. Hasler,Ulrich – Diener,Rudolf, corr SOK–88–25, 1988.

    6.Ne2 c6 7.c3 Be7 (7...d5 8.cb4 dc4 9.h3–/+) 8.Ng3 d5 9.Bb3 (better is 9.Be2!?–/+) 9...Bg4–+ 10.Qh4 f5 (10...de4!? 11.0–0 Na6 12.Ba3–+) 11.Ba3–/+ fe4 (11...de4 12.h3 c5 13.Bc5+/–) 12.Be7 (12.c4 Nd7 13.Be7 Qe7 14.Qe7 Ke7 15.cd5 Nc5+=) 12...Qe7 13.Qe7 Ke7 14.0–0 Nf5 15.Nf5 Bf5 16.f4 ef4 17.Rf4 Rf8 18.Na3 g5 19.Rf2 Nd7 20.Nc2 Bg4 21.Raf1 Rf2 22.Rf2 Rf8 23.Ne3 Rf2 24.Kf2 Be6 25.Bd1 Nf6 26.g4 c5 27.a3 d4 28.cd4 cd4 29.Nf5 Bf5 30.gf5 Kd6 31.Bb3 Ke5 32.Be6 h5 (32...Ng4!? 33.Kg2–+) 33.h3 Kf4 34.Bc8 b6 35.a4 (35.Be6 g4–+) 35...e3 36.de3 de3 37.Ke2 Ne4 38.Bd7 (38.Ke1 Nd6 39.f6 Ke5–+) 38...Ng3 39.Ke1 (39.Kd3 Nf5 40.Bb5 g4 41.hg4 hg4–+) 39...Nf5 40.Ke2 Nd4 41.Ke1 Kf3 42.Bb5 g4 (better is 42...Nb5 43.Kf1 Nc3 44.a5–+) 43.hg4 hg4 (43...hg4 44.Kd1 Nb5–+) 0–1. Frenzel,Lothar – Diener,Rudolf, corr SOK–88–25, 1988.

    6.Ne2 c6 7.Bc3 Bc5+=.

    6.Ne2 c6 7.Nbc3 b5 A) 8.Bd3 A1) 8...d6 9.a4 (9.0–0 Bc5 10.Ng3 Qa5 11.Be2+=) 9...ba4 10.Ra4 Bc5 11.0–0+=; A2) 8...Bc5 9.Nc1 (9.0–0 d6 10.Ng3 Qe8 11.Qh4+=; 9.Ng3 d6 10.0–0 Be6 11.Be2–/+) 9...d6 10.Be2 Qe8 11.Qh4+=; A3) 8...Be7 9.f4 (9.h3 b4 10.Nd1 d5 11.Ne3+=; 9.a3 d5 10.ed5 Bg4 11.Qh4+=) 9...d5 10.ed5 Bg4 11.Qh4+=; B) 8.Bb3 B1) 8...d6 9.a4 (9.h3; 9.Qh4) 9...Bg4 10.Qh4 Bc3 11.Bc3=; B2) 8...Bc3 9.Nc3 (9.Bc3) 9...b4 10.Nd1 d6 11.Ne3=; B3) 8...d5 9.ed5 Bc3 10.Bc3 c5 11.Qf3=.

    6.Ne2 c6 7.Nbc3 Bc3 8.Nc3= (8.Bc3 A) 8...d6 9.d4 (9.Qf3 b5 10.Bb3 Bg4 11.Qe3=; 9.Qh4 b5 10.Bb3 a5 11.a4=) 9...Bg4 10.Qh4 b5 11.de5=; B) 8...a5 9.f4 (9.d4 d6 10.de5 fe5 11.Rd1=; 9.Ng3) 9...Qe8 10.Qh4 d6 11.fe5=; C) 8...b5 9.Bb3 (9.Bd3 d6 10.a4 ba4 11.h3+=) 9...a5 10.a4 b4 11.Bb2=) 8...b5 (8...d6 9.0–0 (9.a4 Qe8 10.Qe2 Be6 11.0–0=; 9.Be2 Be6 10.0–0 Ke7 11.Qh4=) 9...Bg4 10.Qh4 b5 11.Bb3=; 8...Ke7 9.a4 (9.0–0 b5 10.Be2 d6 11.d4=; 9.Qf3 b5 10.Bb3 a5 11.a4=) 9...d6 10.0–0 Bg4 11.Qh4=) 9.Bb3 (9.Be2 d6= 10.0–0 Be6 11.f4=; 9.Ba3 d6 10.Nb5 cb5 11.Bd5+=) 9...a5 (9...b4 10.Nd1 d5 11.a3=) 10.a4 (10.f4 ef4 11.a3+=) 10...b4 11.Nd1 (11.Ne2=) 11...d5 12.ed5 cd5 13.0–0 Be6 (13...Nc6 14.f4 Bg4 15.Qh4=) 14.f4 e4 15.Ne3 Bf7 16.Qe2 Qb6 (16...Nc6 17.d4+=) 17.Qb5= Qb5 18.ab5 a4?? (better is 18...Nd7=) 19.Ba4 (19.Ra4 Ra4 20.Ba4 Ke7+/–) 19...Nd7+/– 20.Bb3 Ra1 (better is 20...Rb8!?+/–) 21.Ra1+– (21.Ba1?! d4 22.Bd4 Bb3 23.cb3 Kf7+/–) 21...Ke7 22.Bd5 Bd5 23.Nd5 Kd6 24.Nb4 Nf5 (24...Kc5 25.Ra7 Nb6 26.Na2+–) 25.Ra7 Nb6 26.g4 Ne7 (26...Nc4 27.Bc3 Ne7 28.d3 ed3 29.Nd3+–) 27.Na6 Ned5 (27...Ng6 28.Ba3 Kd5+–) 28.Ba3 Ke6 (28...Nb4 29.c4 N6d5 30.Nb4+–) 29.Nc5 Kd6 30.Nd7 Ke6 31.f5 Kf7 32.Nb6 Kg8 (32...Nc7 33.Rc7 Ke8 34.Nd5 e3 35.Rc8 Kf7 36.Rh8 g6 37.Rh7 Ke8 38.b6 Kd8 39.b7 ed2 40.b8Q) 33.Ra8 (33.Nd5 e3 34.Ra8 Kf7 35.Rh8 g6 36.Rh7 Ke8 37.b6 Kd8 38.b7 ed2 39.b8Q) 33...Kf7+– 34.Rh8 Nb6 35.Rf8 1–0. pereira – skiin, internet, 2009.

    6.Ne2 c6 7.Nbc3 d5 8.ed5 b5 (8...Bg4 9.Qh4 Be2 10.Be2 Bc3 11.Bc3+=) 9.Bb3 Bc3 10.Bc3 c5 11.Qf3=.

    6.Ne2 c6 7.Nbc3 d6 A) 8.Qh4+= A1) 8...b5 9.Bb3 Qd7 10.a4 Bc3 11.Nc3+=; A2) 8...Nd7 9.a3 (9.0–0 Qe7 10.a3 Bc5 11.Rab1+=; 9.Rb1 b5 10.Bb3 Nc5 11.a3+=) 9...Bc5 10.Bb3 Ke8 11.0–0+=; A3) 8...Qe7 9.0–0 (9.a3 Bc5 10.Rb1 f5 11.Qe7+=; 9.Rb1 f5 10.Qh3 Ke8 11.a3+=) 9...f5 10.Qh3 Bc5 11.Bd3+=; B) 8.a3 B1) 8...Bc5 9.Qh4 (9.Bb3 b5 10.0–0 Na6 11.Ng3+=; 9.Ra2 b5 10.Bb3 a5 11.Ra1–/+) 9...b5 10.Bb3 Ke8 11.Nb5=; B2) 8...Bc3 9.Nc3 (9.Bc3) 9...b5 10.Be2 Qe8 11.Qh4=; B3) 8...Ba5 9.Qh4 (9.h3 f5 10.0–0 Nd7 11.d3+=; 9.f3 Qe8 10.Qe8 Ke8 11.f4+=) 9...Ke8 10.Rb1 b5 11.Bb3+=; C) 8.h3 C1) 8...Bc5 9.Bb3 (9.0–0 b5 10.Bb3 a5 11.a4+=; 9.Rb1 b5 10.Bb3 a5 11.a4+=) 9...Qe8 10.Qe8 Ke8 11.Rd1+=; C2) 8...b5 9.Bb3 Na6 10.0–0 Nc5 11.a3+=; C3) 8...Nd7 9.0–0 (9.a3 Bc3 10.Nc3 f5 11.Qf3+=; 9.Rd1 b5 10.Bb3 Nc5 11.Qf3–/+) 9...b5 10.Bb3 Nc5 11.a3+=.

    6.Ne2 Nc6 7.a3 Bd6 8.0–0 b6 9.Nbc3 Bb7 10.Bd5 Qe7 11.f4 ef4 12.Nb5 Bc5 (12...Nd8!?=) 13.d4+/– Nd4 14.Nbd4 (worse is 14.Bd4 c6 15.Rf4 cd5=) 14...Bd5 15.ed5 Qe3? (better is 15...Qe5 16.Qf3 Nf5 17.Qf4 Qf4 18.Rf4 Ne3+=) 16.Kh1+– Re8 17.Rae1 Re5 18.Qh4 Rd5 (18...Ba3 19.Nf4 Bb2 20.Re3 Re3+–) 19.Nf4 Qd2 (19...Qd4 20.Bd4 Rd4+–) 20.Nd5 Bd4 21.Bd4 Qc2 22.Rf6! gf6 (22...gf6 23.Qf6 Mate attack) 23.Qf6 1–0. Benassi,Aspasio – Krahl,Wolfgang, TMK/A004, 1999.

    6.Ne2 Nc6 7.a3 Be7 8.0–0 Qe8 (8...d5 9.ed5 (9.Bd5? Bg4 10.Qh4 Be2–+) 9...Na5 10.Bd3–/+ Bg4 11.Qh4 e4 12.Bb5–/+; 8...Na5 9.Bd3 (9.Ba2 d5 10.Qf3 Nc4 11.Bc4 dc4 12.Qc3+=; 9.Bd5 c6 10.Ba2 d5 11.h3 Nf7 12.ed5+=) 9...d5 10.h3 Be6 11.ed5 Bd5 12.Nbc3+=; 8...d6 9.Qf3 (9.f3 Qe8 10.Qe8 Ke8 11.Nbc3 Na5 12.Ba2+=; 9.h3 Qe8 10.Qf3 Qg6 11.Nbc3 Na5 12.Ba2+=; 9.Nbc3 Bg4 10.Qh4 f5 11.Qg3 fe4 12.h3–/+) 9...Na5 10.Ba2 Bg4 11.Qe3 Ke8 12.Nbc3=) 9.Qe8 (9.Qf3 Qg6 10.Nbc3 Na5 11.Ba2 c6 12.d4+=) 9...Ke8 10.Nbc3 a6 (10...Kd8 11.Nd5 Bc5 12.Nc1+=) 11.Nd5 Bd8 (11...Kd8 12.Ne7 Ne7 13.Rae1+=) 12.Rab1 (12.f4=) 12...Ne7 13.Ndc3 b5 14.Ba2 Bb7 15.d3 c6 16.a4 Bb6 17.ab5 (17.Bc1 d6+=) 17...ab5 18.Bb3 Nf7 19.Ra1 Ng5 20.Ra8 Ba8 21.Ra1 Bb7 22.Ba3 Nc8 23.Ng3 g6 24.Bb4 (24.Kf1 d6+=) 24...Ne6–/+ 25.Nce2 Kd8 (25...d5 26.Ba5–/+) 26.Be6+= de6 27.Ba5 Ba5 28.Ra5 Nb6 29.Nc1 (29.f4 ef4 30.Nf4 e5–/+) 29...Na4 (29...Kc7 30.Nb3–/+) 30.c4 Kc7 (30...Nc3!?–/+) 31.cb5= cb5 32.Rb5 Bc6 33.Rb3 Ra8 34.f3 Nc5 35.Rc3 Kd6 36.h4 Ra1 37.Nf1 Bb5?? (better is 37...Na4 38.Rc2 Bb5+=) 38.Rc5!+– Kc5 39.Nb3 Kb4 40.Na1 Kc3 41.Ne3 Bd3 (41...f5 42.Nc4!+–) 42.Nd1 Kb4 43.Nf2 (better is 43.Kf2!?+–) 43...Bb1+/– 44.Ng4 f5 45.ef5 (45.Ne5!? Kc3 46.Nd7 Kb2+–) 45...ef5+/– 46.Ne3 (46.Ne5 Kc3+/–) 46...Kc3 (46...f4 47.Ng4+=) 47.Nd1= Kd2 48.Nf2 Ba2 49.Kh2 Bc4 50.g4 (50.g3 Kc1 51.Nb3 Bb3 52.Nd3 Kd2 53.Ne5 Bd5=) 50...Kc1 (50...Ke2 51.Kg2 Bd5 52.gf5 gf5 53.Nh3+=) 51.Nb3= Bb3 52.Nd3 Kd2 53.Ne5 fg4 (53...f4 54.Kg2+=) 54.fg4= Ke3 55.Kg3 Be6 56.g5 ½–½. Bonetti,Shane – guest207, ICC, 2002.

    6.Ne2 Nc6 7.a3 Be7 8.Nbc3 d6= (8...Na5 9.Ba2 d6 10.h3 Qe8 11.Qf3 c6 12.Qg3=) 9.h3 f5 10.0–0 Qe8 11.Qe8 Ke8 12.f4+=.

    6.Ne2 Nc6 7.a3 Be7 8.Bd5 A) 8...Bc5 9.0–0 (9.h3 d6 10.Nbc3 Nd4 11.Nd4 Bd4 12.0–0+=; 9.c3 Ne7 10.d4 Bb6 11.de5 Nd5 12.ed5+=; 9.Nbc3 d6 10.h3 Nd4 11.Nd4 Bd4 12.0–0+=; 9.d3 Ne7 10.d4 ed4 11.Bd4 Bd4 12.Nd4+=; 9.Qh4 Ne7 10.Nbc3 c6 11.Bb3 d5 12.0–0+=) 9...d6 10.h3 Qe8 11.Qf3 Be6 12.Nbc3=; B) 8...Qe8 9.Qf3 (9.Qe8 Ke8 10.0–0 Bc5 11.c3 Ne7 12.Bb3+=; 9.Qh3 Bc5 10.0–0 d6 11.Qd3 Ne7 12.Bb3+=; 9.Qh4 Qg6 10.f4 f5 11.Qg3 Qg3 12.Ng3+=) 9...Qg6 10.Nbc3 Ke8 11.Rb1 d6 12.0–0=; C) 8...d6 9.h3 (9.f3 Qe8 10.Qe8 Ke8 11.0–0 Nd8 12.Bb3+=) 9...f5 10.f4 ef4 11.Nf4 Bf6 12.Ra2+=.

    6.Ne2 Nc6 7.a3 Be7 8.f4 A) 8...Na5 9.Bd5 (9.Ba2 d6 10.h3 Qe8 11.Qe8 Ke8 12.Nbc3+=) 9...d6 10.h3 c6 11.Ba2 Qe8 12.Qf3=; B) 8...Qe8 9.Qf3 (9.Qe8 Ke8 10.Nbc3 ef4 11.Nf4 Kd8 12.Nh5+=) 9...ef4 10.d4 Na5 11.Bd3 d5 12.ed5=; C) 8...d6 9.h3 Qe8 10.Qf3 ef4 11.Nf4 Ne5 12.Be5+=.

    6.Ne2 Nc6 7.a3 Be7 8.h3 A) 8...Bc5 9.Nbc3 a6 10.0–0 b5 11.Bb3 Ra7 12.a4=; B) 8...a6 9.Qf3 (9.Nbc3 b5 10.Bd5 Qe8 11.Qf3 Qg6 12.Rb1+=; 9.0–0 Qe8 10.Qf3 Qg6 11.Nbc3 Nf7 12.Qd3+=; 9.f4 Qe8 10.Qf3 Bc5 11.Bd5 d6 12.Bc6+=; 9.d4 ed4 10.Nd4 Qe8 11.Qe2 b5 12.Bd5+=; 9.Bd5 Qe8 10.Qe8 Ke8 11.f4 Nf7 12.Rf1+=) 9...Nf7 10.0–0 Ke8 11.Qg3 Ng5 12.h4=; C) 8...f5 9.d3 (9.Qf3 Bf6 10.Nbc3 d6 11.d3 g6 12.Nd5+=; 9.Bd5 d6 10.f4 ef4 11.Nf4 Bf6 12.Ra2+=) 9...fe4 10.de4 d6 11.0–0 Na5 12.Bd5=; D) 8...d6 9.Nbc3 (9.Bd5 f5 10.f4 ef4 11.0–0 Bf6 12.Bc3=; 9.f4 Qe8 10.Qf3 ef4 11.Nf4 Ne5 12.Be5+=; 9.0–0 Qe8 10.Qf3 Qg6 11.Bd5 Ke8 12.Nbc3+=; 9.d3 Na5 10.Bd5 Qe8 11.Qf3 c6 12.Ba2=) 9...f5 10.0–0 Qe8 11.Qf3 Qg6 12.Nd5=; E) 8...Qe8 9.Qf3 (9.Qe8 Ke8 10.Nbc3 Kd8 11.0–0 f5 12.Rab1+=) 9...Qg6 10.Nbc3 Nf7 11.d3 Nd4 12.Nd4=; F) 8...Na5 9.Ba2 d6 10.Nbc3 Qe8 11.Qf3 c6 12.Qg3=; G) 8...b6 9.Bd5 (9.Nbc3 Bb7 10.d3 Na5 11.Ba2 Qe8 12.Qf3=) 9...Qe8 10.Qf3 Bb7 11.Ng3 Bc5 12.0–0=; H) 8...Bd6 9.0–0 (9.Nbc3 Bc5 10.Na4 Be7 11.Nac3 a6 12.Bd5=; 9.Bd5 Qe8 10.Qf3 Bc5 11.c3 Bb6 12.d4=; 9.d3 Bc5 10.Nbc3 Nd4 11.Nd4 Bd4 12.0–0=; 9.Bc1 Qe8 10.Qf3 Qg6 11.Nbc3 Nf7 12.Bf7=; 9.c3 Rb8 10.d4 b5 11.Bd5 Qe8 12.Qf3=) 9...a6 10.Nbc3 Bc5 11.Rfb1 b5 12.Bb3=; I) 8...Rb8 9.Nbc3 (9.0–0 Qe8 10.Qf3 Qg6 11.Nbc3 b5 12.Bb3+=) 9...a6 10.0–0 Bc5 11.Bd5 b5 12.Nc1=.

    6.Nf3 Qe7 7.a3= Bd6 (7...Bc5 8.Qh4+=) 8.0–0 c6 (8...Bc5 9.Nc3 c6 10.h3=) 9.a4 (9.d4 ed4 10.Bd4 Bc7+= (10...Qe4?? 11.Re1 Qg6 12.Bc5+–)) 9...Bc7 10.d4 d6 11.de5 (11.Nbd2 Bg4 12.Qh4 Ke8=) 11...de5 (11...fe5 12.Ng5 Bb6 13.h3=) 12.Ba3 c5 13.Nc3 Bg4 14.Qh4 Na6 (better is 14...Bf3!? 15.Nd5 Qd6 16.gf3 Nc6=) 15.Nd5+/– Qf7 (better is 15...Qd6 16.Ba6 ba6+=) 16.Nb6! Bb6 (16...ab6 17.Bf7 Discovered attack; 16...Bb6 17.Bf7 Discovered attack) 17.Bf7 Kf7 18.Bc1 Bf3 19.gf3 Ng8 20.f4 Re8 21.Qh3 ef4 22.Qb3 Re6 23.Rd1 Nb4 (23...Bc7 24.Qb7 Ne7 25.Qa7 Rb8+–) 24.Rd6 1–0. DEFFM – Kanka, freechess.org, 2018.

    6.Nf3 Qe8 7.Qh4 d6=.

    6.Nf3 Qe8 7.Qh4 Qg6=.

    6.f4 Qe8 7.Qe8+= Ke8 8.fe5 fe5 (8...f5!?+=) 9.Be5+/– Kf8 (better is 9...Nf7!? 10.Bc7 Nd6+/–) 10.Ne2+– d6? (10...Ng4 11.0–0 Nf6 12.Bc7 b6+–) 11.Rf1 (11.Rf1 Bf5 12.Bf4+– (12.ef5?! de5 13.Nbc3 Nd7+=)) 1–0. Bonetti,Shane – guest1034, ICC, 2002.

    6.Qh4 Nc6 (6...d6 7.Ne2 c6 8.0–0 b5 9.Bb3 Ke8 10.d4=; 6...Be7 7.f4 d6 8.Ne2 c6 9.Bb3 f5 10.Qh5+=) 7.a3 Be7 8.Qg3 f5 9.Qf3 d6 10.Ne2+=.

    6.c3 Be7

    7.d4 d5 8.ed5 ed4 9.cd4 Bg4 10.Qh4+=.

    7.d4 d5 8.Bd5 Bg4 9.Qh4 f5 10.Qg3 f4 11.Qd3 c6 12.Bb3 a5 13.Qc2 b5 14.a4 (14.de5? a4–+) 14...b4 15.de5 Qb6 (better is 15...Nd7!? 16.f3 Bh5+/–) 16.h3+– Bc8 17.Nd2 Ba6 18.e6 Bc5 19.Nc4 Bc4 20.Bc4 Ra7 21.Nf3 Re7 (21...Rb7 22.0–0+–) 22.0–0 Ng8 (22...Ke8 23.cb4 Bb4 24.Be5+–) 23.cb4 Bb4 24.Rad1 Nf6 25.Bf6 gf6 26.e5 fe5 (26...f5 27.Qf5 Ke8 28.Rd4+–) 27.Qf5 Ke8 28.Qh5 Kf8 29.Qe5 Rg8 30.Qf6 Ke8 31.Qf7!! Rf7 32.ef7 Ke7 33.fg8Q 1–0. BlackDemon (2600) – freestylattitude (1610), FICS rated standard game, 2013.

    7.d4 d6=.

    7.h3 c6 8.Qf3+=.

    7.h3 Qe8 8.Qf3 Bc5 9.d4= Bb6 10.Ne2 (10.Bc1 Nf7 11.Ne2 Nc6=) 10...d6 (10...Nc6 11.Nd2=) 11.0–0 (11.Bc1 Qg6=) 11...Nc6 (11...Qg6 12.Bc1=) 12.Nd2 (12.Bc1 Qg6=) 12...Nf7 (12...Qg6 13.Bd5=) 13.Rad1 (better is 13.d5 Ne7 14.a4=) 13...Be6?? (better is 13...Ng5 14.Qe3 Qg6+=) 14.d5+– Ng5 15.Qd3 Bh3 16.dc6 Bc8 17.cb7 Bb7 18.Ng3 (18.Ba3 Rd8+–) 18...g6 (18...Qg6 19.Rb1+–) 19.Bd5 Bd5 20.ed5 Kg7 21.Nc4 Bc5 (21...Qa4 22.a3+–) 22.Bc1 Nf7 23.Ne4 Bb6 24.a3 (24.Rfe1 Qa4+–) 24...Qd7 25.Qh3 (25.Rfe1 Rab8+–) 25...Qe7 (25...Qh3!? 26.gh3 Rab8+/–) 26.Qh4+– Rab8 (26...Rae8 27.Qg3+–) 27.a4 a6 (27...a5 28.Be3+–) 28.Be3 (28.a5 Bc5+–) ½–½. Kuperski,Marek – Wlosek,Maciej, corr 2AMM Poland, 1994.

    7.h3 Qe8 8.Qf3 Nc6 9.a3 Bc5 10.Ne2 d6 11.d4 Bb6 12.g4 Nf7 13.h4 (13.Nd2 h5+=) 13...h6 (13...ed4!? 14.cd4 Nd4 15.Bd4 Bd4 16.Nd4 Ne5–+) 14.Nd2+= Na5 15.Bd3 Qe6 16.Rg1 Ke8 17.d5 Qd7 18.a4 a6 19.c4 Rb8 20.Bc3 Rg8 21.Rb1 Rh8 (21...Qa4? 22.Ra1 Qd7 23.Ba5 (23.Ra5?! Ba5 24.Ba5 Ra8=) 23...Ba5 24.Ra5+–) 22.Rg3 Qd8 (22...Qa4? 23.Ra1 Qd7 24.Ba5 (24.Ra5?! Ba5 25.Ba5 Ra8=) 24...Ba5 25.Ra5+–) 23.Qh1 Bd7 24.Bc2 c6 25.f4 (25.Qf3 g5 26.h5 Rf8+=) 25...Bc7 (25...ef4 26.Nf4 Ne5 27.Be5 fe5 28.Ng6 Bf2 29.Kf2 Qf6 30.Nf3 Qg6 31.Qe1 Nc4 32.Qc3=) 26.Qg1 b5 27.ab5 ab5 28.dc6 Bc6 29.cb5 Bb5 (29...Rb5!? 30.Rb5 Bb5+=) 30.Rb5= Rb5 31.Ba4 Qb8?? (better is 31...Qd7 32.Bb4 ef4=) 32.Ba5+– (32.Bb5 Qb5 33.f5 Bb6+=) 32...Ba5 33.Rb3 (33.Bb5? Qb5 34.Qe3 Qb1 35.Kf2 Qb4–+) 33...Ke7 34.Rb5 Bd2 (34...Qc7 35.Kd1+–) 35.Kd2 Qa8 36.Qb6 Rc8 37.Ra5 Qb8 (37...Qe4 38.Ra7 Kf8+–) 38.Ra7 Kf8 39.Rb7 Qa8 40.Bb3 Kg8 1–0. Mroz,Antoni – Zygiel,T, corr Poland, 1985.

    7.h3 Qe8 8.Qf3 Nc6 9.Na3+=.

    6.Nc3 c6

    7.Nge2 b5 8.Bb3 White gets in control 8...Be7 (8...d6 9.h3+=) 9.0–0 (9.f4 Qe8 10.Qf3 Nf7=) 9...d5 10.h3 (worse is 10.ed5 Bg4 11.Qh4 b4–/+) 10...b4 (10...d4 11.Nd1+=) 11.Nd5= Bc5 (11...Qd5 12.ed5) 12.d4 ed4 13.Nf6! Qe7 (13...Qf6 14.Qc5) 14.Nd5! Qd6 (14...cd5 15.Bd5) 15.Nc7!+– The mate threat is Qe8 15...Bd7 (15...Qc7 A deflection 16.Qc5) 16.Na8 Be8 17.Qh4 Bf7 18.Rad1 Na6 (18...Qe7 19.Qe7 Ke7 20.Nd4+–) 19.Nd4 Bb3 (19...Qe7 20.Ne6! Be6 21.Rd8 Kf7 22.Qh5 g6 23.Be6 Qe6 24.Qf3 (24.Qh6?! Rd8 25.Qh7 Ke8+/–) 24...Ke7 25.Rh8+–) 20.Nb3 Qe7 21.Rd8 (21.Rd8 Qd8 22.Qd8 Kf7 23.Qh8+–) 1–0. Leisebein,Peter – Diener,Rudolf, corr SOK–91–74, 1991.

    7.Nf3 b5 8.Bb3 Qe7 9.Nh4 d6 10.Nf5 Bf5 11.ef5=+ Nd7 12.0–0 Nc5 13.Rfe1 Nb3 14.cb3 Qd7–/+ 15.Re2 Qf5–+ 16.Qf5 Nf5 17.Rae1 Nd4 18.Re4 d5 19.Rg4 Kf7 20.a3 Bd6 21.b4 h5 22.Rg3 Rae8 23.Ne2 Nf5 24.Rf3 g6 25.Ng3 Ng3 26.hg3 g5 27.Rfe3 d4 28.R3e2 g4 29.f3 Reg8 30.fg4 Rg4 31.Rf1 h4 32.gh4 Rhh4 33.d3 e4 34.Ref2 Bh2 35.Kh1 Bg3 36.Kg1 Bf2 37.Rf2 Rh5 38.de4 Rhg5 39.Bd4 Rg2?? 40.Kf1?? Rf2–+ 41.Kf2 Rg4 42.Kf3 Rh4 43.Kg3 (43.Kg3 Re4 44.Ba7–+). guest1224 – guest1181, ICS blitz, 2000.

    6.Ne2 d6

    7.c3 Ba5=.

    7.h3 c6 8.Nbc3=+.

    7.h3 Qe8

    8.Qf3 b5 9.Bb3 Nf7=.

    8.Qf3 Nd7=+.

    8.Qf3 Be6 9.Bb3 c5 (9...Kf7 10.c3 (10.Ng3; 10.Be6; 10.Nbc3; 10.0–0; 10.a3; 10.Qh5; 10.Nec3; 10.Bc1) 10...Bb3 (10...Bc5 11.d4 Bb3 12.ab3 ed4 13.cd4 Bb4=; 10...Ba5 11.d4 Bb6 12.Bc1 Ng8 13.Be3 g6=) 11.ab3 Bc5 12.d4 ed4 13.cd4 Bb4=; 9...Kg8 10.c3 (10.Be6; 10.Nbc3; 10.a3; 10.0–0; 10.Bc3) 10...Bc5 (10...Ba5 11.d4 c6 12.Bc1 Nf7 13.0–0 Qd7=; 10...Bb3 11.ab3 Bc5 12.0–0 f5 13.b4 Bb6=) 11.d4 Bb6 12.Bc1 Nf7 13.0–0 c6=; 9...Qd7 10.c3 (10.Be6) 10...Ba5 (10...Bc5 11.d4 ed4 12.cd4 Bb4 13.Nbc3 Ke8=; 10...Bb3 11.ab3 Bc5 12.d4 ed4 13.cd4 Bb4=) 11.d4 c6 12.de5 de5 13.0–0 Ke8=) 10.Nbc3 (10.Qd3 Nf7= (10...Qd7 11.f4 Nc6 12.0–0 Ke8 13.f5 Bf7=; 10...Qe7 11.a3 Ba5 12.Nbc3 f5 13.0–0 Nd7=) 11.a3 Ba5 12.Nbc3 Nc6 13.Be6 Qe6=; 10.Be6 Qe6 11.a3 Ba5 12.Nbc3 Bc3 13.Nc3 Ke8=; 10.a3 Ba5 11.Be6 Qe6 12.Bc3 Nc6 13.Ba5 Na5=; 10.c3 Ba5 (10...c4 11.Bc4 Bc4 12.cb4 Qb5 13.Qc3 Qc6+=) 11.d3 Kg8 12.Bc1 Nf7 13.Na3 Nc6+=) 10...c4+= 11.Ba4 Bd7 (11...Qg6!?+= 12.d4 cd3 13.cd3 Nc6+=) 12.Bd7= Qd7 13.Nd5 Ba5 (13...Nc6=) 14.Ng3 Nc6 15.c3 Ne7 16.Ne3 b5 17.0–0 Kf7 (17...Bb6 18.a4+=) 18.Qh5 Ng6 (18...Kg8 19.a4 Bb6 20.ab5 Qb5 21.Ba3=) 19.Nef5 (19.Ngf5 Qc6+=) 19...Rhe8 (19...d5 20.a4=) 20.Ba3 (20.Nh6 gh6 21.a4 Reb8+=) 20...Re6 (20...Kg8 21.Nh6 (worse is 21.Bd6 Nf5 22.Nf5 Re6+=; worse is 21.Nd6 Nf4 22.Qf3 Reb8–/+) 21...gh6 22.Qh6=) 21.Nh6+= gh6 22.Nf5 Kg8 23.Nh6 (23.Qh6 Nf4+=) 23...Kh8= 24.g3 (24.Qf5 d5=) 24...Qe8 (24...d5!?+=) 25.Nf5 Bc7 (25...Qd7 26.Rad1=) 26.Qg4 Qf7 27.h4 (27.Rfb1!? Rb8 28.Nh6+=) 27...Nf4= 28.Kh2 (28.gf4? Rg8 29.Qg2 Rg2 30.Kg2 Qg6 31.Kh3 ef4–+) 28...Nd3 29.Nh6 (29.Ng7 Re7 30.Nf5 Rd7=) 29...Qd7+= 30.h5 Rae8 31.Nf5 Rg8 32.Qh3 Rg5 (32...Bb6 33.Qg2 Rd8–/+) 33.Qh4 (better is 33.h6!?+=) 33...d5–+ 34.h6 (34.f3!?–+) 34...de4 35.Qe4 Ra6 36.Be7? (36.Qa8 Qd8 37.Qd8 Bd8 38.Be7–+) 36...Qf5 (36...Rf5?! 37.Qa8 Bd8 38.Bd8=) 37.Qb7 (37.Qa8 Rg8 38.Bf8 Qh5 39.Kg1 Qh6 40.Qa7 Qh1 41.Kh1 Ra7 42.Bb4–+) 37...Nf4! 38.Kg1 (38.gf4 Qf4) 38...Bb6 (38...Bb6 39.Qb8 Rg8 40.Qg8 Kg8 41.gf4 Qg6 42.Kh1 Qh6 43.Kg2 Qg7 44.Kh2 Qe7 45.Rg1 Kf7–+) 0–1. Mroz,Antoni – Kukawski,Jan, corr Poland, 1986.

    8.Ng3 Qh5 9.Nh5 Nd7 (9...Nc6 10.f4+=) 10.0–0 (10.c3 Ba5+=) 10...Nb6 11.Bb3 Bd7 (11...a5 12.a4+=) 12.a4 (12.c3 Ba5+=) 12...Ba5 (12...Be8 13.Ng3 Bf7 14.d3+=) 13.d4 (13.f4 Nf7 14.d3 Re8+=) 13...Be8 (13...c5 14.de5 de5 15.Ba3–/+) 14.Ng3 ed4 15.Bd4 c5 (15...Bf7 16.Na3+=) 16.Bc3 (16.Be3!?=) 16...Bc3+= 17.Nc3 Bc6 (17...c4 18.a5 cb3 19.ab6=) 18.a5= Nc8 19.f4 (19.Rfd1 Rb8=) 19...Ne7 (19...b5 20.Bd5 Bd5 21.Nd5=) 20.Rad1= Rd8 21.e5 (21.Rd2 Ng6=) 21...Nef5+= 22.Nf5 Nf5 23.Rfe1 (23.Ba4 Ba4 24.Na4 Ne3 (24...fe5? 25.fe5 g6 26.g4+–) 25.ed6 Kf7 26.Nc5 b6 27.ab6 Nf1 28.Kf1 ab6=) 23...Nd4–/+ 24.ef6 (24.ed6 Rd6 25.Kf2 b6+=) 24...gf6 25.Kf2 h5 (25...d5 26.Bd5 Bd5 27.Nd5 Rd5 28.c3–/+) 26.Ne4 (26.Nd5 Bd5 27.Bd5 Nc2–/+) 26...Rh6 (26...Be4 27.Re4 Nb3 28.cb3–/+) 27.g3 Rg6 28.Re3 (28.f5 Rh6–/+ (worse is 28...Nf5 29.Nc5 Ng7 30.Re6=)) 28...Nf5–+ Black is in command 29.Ree1 Be4 30.Re4 Ng3 (30...Rg3?! 31.Rd5 Rb3 32.cb3=) 31.Re6 h4 32.Bd5 (32.Bc4 Nh5 33.f5 Rg5 34.Red6 Rf5 35.Ke3 Rd6 36.Rd6 Ke7–+) 32...Nh5 33.Bb7 (33.Re4 f5 34.Re3 Re8–+) 33...Nf4 34.Red6 (34.Re3 Rg5–+) 34...Rd6 (better is 34...Nh3!? 35.Ke2 Re8 36.Kd2 Re7–+) 35.Rd6–/+ Nh3 36.Kf1 (36.Ke3 Rg3 37.Ke2 Nf4 38.Kf2 f5 39.Rf6 Ke7 40.Rf5 Nh3 41.Ke2 Rg5–/+) 36...Rg1 37.Ke2 Rb1 38.Be4 (38.Bc8 Nf4 39.Kf3 Rf1 40.Kg4 Ng6–/+) 38...Ke7–+ 39.Ra6 Ng5 40.Ra7 Kd6 41.Ra6 Ke5 42.Bc6 (better is 42.Ba8–+) 42...h3 43.Ra8 (43.Rb6 Ra1–+) 43...Ra1 (better is 43...Kd6!? 44.Ra6 h2–+) 44.a6 h2 45.Bg2 (better is 45.Rh8 Ra6 46.Bh1–+) 45...Ne6 (45...Nh3 46.Rh8 h1Q 47.Re8 Kf5 48.Bh1 Ra6–/+ (worse is 48...Rh1 49.a7 Nf4 50.Kf2 Nh3 51.Kg3+=)) 46.a7? (46.Rh8 Nf4 47.Kf3 Ra3 48.Kf2 Ra6 49.Bf3–+) 46...Nf4 47.Kf3 Ng2 (47...Ng2 48.Re8 Kf5–+) 0–1. Wilk,Krzysztof – Diener,Rudolf, corr 3GMM–23, 1997.

    8.Qh4 b5 9.Bb3=+.

    8.Qh4 Be6 9.Bb3 Nd7 10.f4 (10.0–0 Kf7+=) 10...Nc5 (10...Bb3 11.ab3 Qg6 12.Ng3+=) 11.f5 (11.fe5 de5 (11...Nb3 12.ef6 Rg8 13.fg7 Rg7 14.Qh6+–) 12.0–0 Kg8+=) 11...Bf7 12.Nbc3 c6 (12...Nb3 13.ab3 Kg8 14.0–0+=) 13.g4 (13.0–0 Kg8+=) 13...a5 (13...d5 14.ed5 cd5 15.Rg1–/+) 14.0–0–0 (14.Rg1 Qe7–/+) 14...b5 (14...Bb3 15.cb3 a4 16.ba4 Bc3 17.Nc3 Na4 18.Ba3–+) 15.g5 fg5 16.Qg5 Bc3 17.Nc3 b4 (17...Nb3?! 18.cb3 Qe7 19.Qg3+=) 18.f6 (18.Rhg1 bc3 19.Qg7 Ke7 20.f6 Kd7 21.Bc3 a4–+ (21...Nb3?! 22.cb3 a4 23.Qh6+=)) 18...Bg6–+ (18...Nb3?! 19.ab3 Bg6 20.Na4=) 19.Na4 Ne4 Black creates threats along the open f–file 20.fg7 Kg7 21.Qg2 Rf8 22.h4 (22.Rhf1 Qe7–+) 22...Rf2 23.Qg1 Rf4 24.d4 (24.h5 Rg4 25.Qh2 Bf7–/+) 24...Ng4 (24...Nf2 25.Re1 Nh1 26.de5–+) 25.de5 de5 (worse is 25...Ne5 26.h5+/–) 26.Nc5 (26.Qb6 Qe7–+) 26...Nc5 27.Qc5 a4 28.Bc4 Rf2 29.Rd2 Rd2 30.Kd2 a3 31.Ba1 Rb8 (31...Qd7 32.Kc1 Qf5 33.Bb3–/+) 32.Kc1 (32.Be2 Rd8 33.Kc1 Nf6 34.Qb4 Nd5 35.Qa3 Ra8=) 32...h5 (32...Qf8 33.Be5 Ne5 34.Qe5 Qf6 35.Qc7 Kh6 36.Qb8 Qb2 37.Kd1 Qc2 (37...Bc2 38.Ke2 Be4 39.Ke3 Bh1 40.Qf4 Kg7 41.Qg5 Kf8 42.Qd8 Kg7 43.Qe7 Kg6 44.Qg5) 38.Ke1 Qc1 39.Kf2 Qh1 40.Qf8 Kh5 41.Be2 Qf3 42.Qf3 Kh4 43.Qg3) 33.Re1+= The pressure on the isolated pawn grows 33...Rb7 34.Be5 Ne5 35.Re5 Qf8 36.Qd4 Do you see the mate threat? 36...Kh7 37.Bd3 (37.Ba6 Rg7+=) 37...Qf3 38.Be2 Qh1 39.Kd2 (39.Bd1 Qf1+=) 39...Qh2–/+ 40.Kc1 (40.Ke1 A) 40...Bc2 41.Rh5 Kg6 42.Qg4 Kf7 43.Bc4 Ke7 44.Qg7 Kd6 A1) 45.Qb7?! Qg3 46.Ke2 Qg4 47.Kd2 Qd1 (47...Qc4?? 48.Rh6 Ke5 49.Qg7 Kd5 50.Qg5 Kd4 51.Rd6 Qd5 52.Qe3 Kc4 53.Rd5 cd5 54.Kc2+–) 48.Ke3 Qg1 49.Kf3 Bd1 50.Be2 Be2 51.Ke2 Qg4 52.Ke3 Qh5 53.Qb4 c5 54.Qb6 Kd7=; A2) 45.Rh6 Kc5 46.Qg5 (46.Qb7 Qe5 47.Be2 Qg3 48.Kf1 Qf4 49.Ke1 Qc1 50.Kf2 Qh6–/+) 46...Kd4 47.Be2 Qe5 48.Qd2 Kc5 49.Qc2 Qc3 50.Qc3 bc3 51.Rc6 Kc6 52.Bf3 Kc5 53.Bb7 Kd4 54.h5 Ke5 55.Ke2 c2 56.Kd2 c1Q 57.Kc1 Kf5 58.Kc2 Kg5 59.Bf3 Kf6 60.Kb3 Ke6 61.Ka3 Ke5 62.Kb4 Kf6 63.a4 Ke5 64.a5 Kf4 65.a6 Kf3 66.a7 Ke4 67.h6 Ke5 68.h7 Ke4 69.a8Q Ke5 70.h8Q Kf4 71.Qf6 Ke3 72.Qaf3 Kd2 73.Q6c3; B) 40...c5 41.Rc5 Re7–/+) 40...Rf7 41.Re3 (41.Bd1!?–/+) 41...Qf4–+ Black gets strong initiative 42.Qf4 (42.Qc5 Qh4 43.Bd1 Rf1 44.Qa7 Kh6–+) 42...Rf4 43.Re6 (43.Rh3 Rf2 44.Bd3 Bd3 45.Rd3 Rh2–+) 43...c5 (43...Bf7 44.Rc6 Ba2 45.Rc7 Kg6 46.Rc6 Kg7 47.Bh5 Rh4 48.Bf3–+) 44.Rc6 Rh4 45.Rc5 Kh6 46.Bd1 (46.c3 Rh1 47.Bd1 b3 48.ab3 a2–/+) 46...Bf7 47.c3 Rh1 (better is 47...Ba2!? 48.cb4 Bf7–+) 48.cb4–/+ h4 49.Kd2 Rh2 50.Kc3? (better is 50.Be2+=) 50...Ra2–+ 51.Bb3 (51.Rf5 Bg6 52.Rf1 Ra1–+) 51...Rf2 52.Bf7 Rf7 53.Kb3 (53.Ra5 h3 54.Re5 h2–+) 53...Rf3 54.Ka2 h3 55.b5 h2 ½–½. Svensson,Jan – Diener,Rudolf, corr 3GMM–11, 1995.

    6.Ne2 Qe8

    7.Qh4 Qg6 8.0–0 a6 (8...Nc6 9.Nbc3 Na5 10.Bd3=) 9.Nbc3 (9.f4 Bc5 10.Kh1=) 9...Bc3 (9...b5!? 10.Bb3 Bb7=) 10.Nc3= (worse is 10.dc3 d6–/+) 10...b5 11.Bd5 (11.Be2 Bb7 12.f4 ef4 (worse is 12...Be4 13.Ne4 Qe4 14.Bf3+/–) 13.Rf4 Nf7=) 11...c6 12.f4 (12.Bb3 d6=) 12...cd5+= 13.fe5 Qg5?? (13...Nc6 14.ef6 d4+/–) 14.Qg5+– Nf7 15.Rf6! gf6 16.Qf6 Rg8 (16...Ra7 17.Rf1 d6 18.Qh8 Ke7 19.Nd5 Kd7 20.Rf7 Kc6 21.Qc8 Rc7 22.Qc7) 17.Ba3 Ke8 (17...b4 18.Bb4 d6 19.Bd6 Ke8 20.Qe7) 18.Qe7 1–0. marekt – jeroo, chessworld.net, 2008.

    7.Qf3 d6

    8.Ng3 Be6 9.a3 A) 9...Bc5 A1) 10.Qb3 Bc4 (10...Bc8) 11.Qc4 Qc6 12.Qb3 Nd7 13.c3 d5–/+; A2) 10.Be6 Qe6 11.Nc3 Ke8 12.0–0 Qg4 13.Qg4 Ng4+=; B) 9...Bc4 10.ab4 Kf7 (10...Be6 11.0–0 Qb5 12.d4 Ke7 13.d5 Bg4=; 10...Qb5 11.Bc3 Be6 12.Na3 Qb6 13.0–0 Nc6+=; 10...Na6 11.Na3 Be6 12.b5 Nc5 13.d4 Bg4=; 10...Nc6 11.Qc3 Qf7 12.d3 Be6 13.Bc1 Ke8=; 10...Kg8 11.Na3 Be6 12.0–0 a6 13.c4 Nf7+=; 10...Ke7 11.Na3 Be6 12.0–0 a5 13.ba5 Ra5+=; 10...Qe7 11.d3 Be6 12.0–0 a6 13.Bc1 Bg4+=; 10...Qf7 11.Na3 Be6 12.0–0 Ke8 13.b5 a6+=; 10...Nf7 11.Na3 Be6 12.0–0 a6 13.Qe3 h5+=) 11.Na3 Be6 12.Qh5 Ke7 13.Qe2 Kd8+=.

    8.Ng3 Be6 9.Qb3 Bc4 10.Qc4 Bc5 (10...Nc6 11.c3 Bc5 12.d4 Bb6 13.d5 Ne7+=; 10...Na6 11.c3 Ba5 12.0–0 Qf7 13.Qe2 Qg6=; 10...Ba5 11.0–0 Nc6 12.Nc3 Nd4 13.Rfc1 f5+=) 11.Nc3 Qf7 12.Qd3 Ke8 13.0–0 Na6+=.

    8.Ng3 Be6 9.Bb3 Bg4 (9...Nc6 10.0–0 (10.Nc3; 10.Be6; 10.Bd5; 10.Qd3; 10.a3; 10.c3; 10.h3; 10.Ne2; 10.a4) 10...Qe7 (10...Kg8 11.c3 Bc5 12.Rd1 Bb3 13.ab3 Qe6=; 10...Bg4 11.Qd3 Bc5 12.a3 Qg6 13.Nc3 Bd4+=; 10...Rb8 11.Nc3 Bc3 12.Qc3 Qd7 13.d3 Nf7=; 10...a6 11.Nc3 Nd4 12.Qd3 Bc5 13.Be6 Ne6+=; 10...Qd7 11.Be6 Qe6 12.Qb3 Qb3 13.ab3 Bc5+=; 10...Qf7 11.Nc3 Nd4 12.Qd3 c6 13.Na4 Nb3+=; 10...Bc5 11.Be6 Qe6 12.Nc3 Bd4 13.Rab1 Bc3+=; 10...Rd8 11.Nc3 Nd4 12.Qd3 Bc5 13.Be6 Ne6+=) 11.Nc3 Nd4 12.Qd3 c6 13.Be6 Ne6+=) 10.Qd3 Na6 (10...Nc6 11.Nc3 Ke7 12.h3 Bc3 13.Bc3 Be6+=; 10...Ke7 11.Nc3 Kd8 12.0–0 Nd7 13.Nd5 Bc5+=; 10...Bc5 11.Nc3 Na6 12.Nd5 c6 13.Ne3 Nb4+=; 10...a5 11.a3 Bc5 12.Nc3 a4 13.Ba2 Nc6+=; 10...c6 11.h3 Be6 12.a3 Bc5 13.Nc3 Nd7+=; 10...Nf7 11.Bf7 Qf7 12.Qb5 Nc6 13.Qb7 Qe8=; 10...Qc8 11.a3 Bc5 12.Nc3 Na6 13.h3 Be6+=; 10...Bd7 11.Nc3 Na6 12.Nd5 Bc5 13.Rb1 c6+=; 10...a6 11.Nc3 Nd7 12.Nd5 Ba5 13.0–0 Be6=) 11.0–0 Nc5 (11...Bc5 12.Nc3 Nb4 13.Qc4 a6+=) 12.Qc4 (12.Qe3 Nb3 13.ab3 Bc5+=) 12...Ba5 (12...a5 13.Rc1 b5–/+) 13.Nc3 c6 14.Rfe1 b5 15.Qf1 g5 (15...Qg6 16.h3 Bd7 17.Qe2–/+) 16.f3 (16.h3 Be6+=) 16...Bd7–/+ 17.Rad1 Ne6 (17...Bb6 18.Kh1–/+) 18.Nce2 Nf4 19.Nc1 c5 20.c3 (20.c4 Rb8 21.Bc3 b4–/+) 20...c4 21.Bc2 g4 (21...Bb6 22.Kh1 Kg7–/+) 22.Nf5 (better is 22.Nge2!? Ne2 23.Ne2 Bb6 24.Kh1+=) 22...Nf5–+ 23.ef5 Qh5 24.Be4 d5 25.Ba3 (25.fg4 Qg4 26.Bc2 Rg8–+) 25...Kf7 26.fg4 de4?? (better is 26...Qg4 27.Bc2 Rhg8–+) 27.gh5+– (27.gh5 Rag8 28.g3 (28.Re4?! Rg2 29.Qg2 Bb6 30.Re3 Ng2 31.Kg2 Be3 32.de3 Rg8 33.Kf3 Bf5+/–) 28...Bf5 29.Bc5+–) 1–0. Mroz,Antoni – Wilczewski,Piotr, corr Poland, 1986.

    8.Nbc3 c6

    9.0–0 b5 10.Bb3 Bc5+=.

    9.d4? d5!–+ 10.ed5 Bc3.

    9.d4? d5!–+ 10.de5 dc4 11.ef6 gf6 12.Qf6 Nf7 13.0–0–0 (13.a3 Nd7 14.Qd4 Bd6–+) 13...Nd7 14.Qd4 Nfe5 (14...b5!? 15.Qd2–+) 15.f4 Bc5 16.Qd2 Ng4 17.Nd4 Nb6 18.h3 Nh6 19.g4 Bd7 (19...Nf7!?+=) 20.e5= Rd8 (better is 20...Qe7!?=) 21.f5 Ng8 (21...Nf7 22.Ne4 Qe5 23.Ne6 Be6 24.Qd8 Nd8 25.Be5 Ba3 26.Kb1+/–) 22.Ne6 Be6 23.Qd8 Bd5 24.Qe8 (worse is 24.Rd5 cd5 25.Qc7 Qc6 26.Qd8 Qe8=) 24...Ke8 25.Nd5 cd5? (better is 25...Nd5 26.Bd4 Bd4 27.Rd4 c3+/–) 26.e6+– d4 27.Rd4 Ne7 28.Rd7 Rg8 (28...Be3 29.Kb1 Nd7 30.ed7 Kd7 31.Rd1 Ke8 32.Bh8 Bc5+–) 29.Rb7 Kd8 30.Be5 Nc6 (30...Be3 31.Kb1 Rg5 32.Rb8 Nec8 33.Rd1 Ke7 34.Rb7 Ke8 35.Bf6 Bd2 36.Rd2 Nd6 37.Rd6 Nd7 38.ed7 Kf7 39.d8Q) 31.Rd1 Ke8 32.f6 Rg5 (32...Rf8 33.f7 Rf7 34.ef7 Kf8 35.Bd6 Bd6 36.Rd6 Ne7 37.Ra7 Nbd5+–) 33.f7 Kf8 34.Rb8! Nb8 (34...Nb8 35.Rd8) 35.Rd8 (35.Bb8?! Rd5 36.Rd5 Nd5+=) 35...Ke7 36.Re8 1–0. Kosikowski,Tadeusz – Twarog,W, corr Czerniak mem2 Poland, 1973.

    9.d4? Be6!?

    9.h3 Be6 10.Bb3 (10.Be6 Qe6 11.a3 Bc3 12.Nc3 Nf7+=) 10...Nd7 (10...Kf7 11.a3 Bc3 12.Bc3 Bb3 13.cb3+=) 11.0–0 (11.a3 Bc3 12.Bc3 Bb3 13.cb3 Nf7+=) 11...Ke7 (11...Nc5 12.Be6 Qe6 13.a3 Bc3 14.Bc3+=) 12.d4 (12.Be6 Ke6 13.Nb5 Ba5 14.Qb3 Ke7 15.Nd6 Kd6 16.Qa3 Kc7 17.Qa5 b6+=) 12...ed4 (12...Qg6 13.a3 Bc3 14.Bc3 Bb3 15.cb3+=) 13.Nd4= Bb3 14.ab3 Ne5 15.Qg3 (15.Qe2 Qg6=) 15...Qg6+= 16.Nce2 (16.Qf4 Bc3 17.Bc3 Rhe8+=) 16...Qg3 17.Ng3 (worse is 17.fg3 Bc5–+) 17...Kd7 18.Nh5 Rhg8 19.Rfd1 Kc7?? (better is 19...Bc5+=) 20.Ng7 Kd7 (20...Rg7 21.Ne6) 21.Nde6 Nhf7 (21...Ke7!?+/–) 22.f4+– Ng6 (22...Nd8 23.Nd8 (worse is 23.fe5 Ne6 24.ef6 Ng7 25.fg7 Bc5 26.Kf1 Rae8+/–) 23...Rad8 24.Nh5+–) 23.Bf6 Nd8? (better is 23...Rg7 24.Ng7 Nf4+–) 24.Nd8 (24.Bd8 Rg7 25.Ng7 Kd8+–) 24...Rad8 25.Bd8 (25.Ra7 Bc5 26.Kh2 Ba7 27.Bd8 Rg7–/+) 25...Rg7 26.Bg5 a6 27.Rd3 (27.Ra4 a5+–) 27...Kc7 (27...Ne5 28.fe5 Rg5 29.ed6+–) 28.Rad1 (28.c3 Bc5 29.Kh2 Rf7+–) 28...b5 (28...Rf7 29.g3+–) 29.Kh1 (29.c3 Bc5 30.Kh2 a5+–) 29...a5 30.h4 Nf8 (30...Rf7 31.Ra1+–) 31.f5 Rf7 (31...h5 32.c3 Bc5 33.Ra1+–) 32.Bf4 Rd7 33.g4 a4 (33...Bc5 34.c3+–) 34.ba4 ba4 35.Rd4 (35.Rd4 c5 36.Bd6 Kc6 37.Bf8 cd4 38.Bb4+–) 1–0. Sternik,Ryszard – Wlosek,Maciej, corr 2AMM Poland, 1994.

    8.Ng3 Nc6

    9.h3 Qe7 A) 10.Nc3 Nd4 (10...Bc3 11.Qc3 Be6 12.Be6 Qe6 13.Bc1 Kf7+=) 11.Qd1 c6 12.Rb1 Bc5 13.Na4 b5+=; B) 10.0–0 Bd7 (10...a6 11.Rd1 Bc5 12.c3 Ke8 13.d4 Bb6=; 10...Qd7 11.Rd1 Ke8 12.c3 Ba5 13.d4 f5=; 10...Be6 11.Be6 Qe6 12.c3 Bc5 13.Rd1 Qc4=; 10...Ke8 11.Nc3 Bc3 12.Qc3 Nd4 13.Rab1 Be6=; 10...Bc5 11.Ba3 Nd4 12.Qd3 Be6 13.Bc5 dc5+=; 10...Na5 11.Be2 Bc5 12.c3 Nc6 13.Rd1 Ke8=; 10...Rb8 11.Rd1 Ke8 12.c3 Bc5 13.d4 Bb6=; 10...Qd8 11.c3 Bc5 12.Rd1 Nf7 13.d4 Bb6=) 11.Nc3 Nd4 12.Qd3 c6 13.Nge2 b5+=.

    9.h3 Be6

    10.Bb3 Bb3 (10...Bc5 11.0–0 Qe7 12.Be6 Qe6 13.Nc3 Nd4+=; 10...Kg8 11.0–0 Nf7 12.Nf5 Ng5 13.Qe2 Qg6+=; 10...Qd7 11.Be6 Qe6 12.Nc3 Qc4 13.Nge2 Bc3+=; 10...Qe7 11.c3 Bc5 12.Be6 Qe6 13.Ba3 Kf7+=; 10...Qf7 11.Be6 Qe6 12.c3 Bc5 13.0–0 Nf7+=; 10...Qc8 11.Nc3 Nd4 12.Qd3 c6 13.Be6 Ne6+=; 10...Rb8 11.Nc3 Nd4 12.Qd3 c6 13.Na4 Nb3+=; 10...Rd8 11.0–0 Kg8 12.c3 Bc5 13.Rd1 Bb3=; 10...a6 11.c3 Bc5 12.0–0 Nf7 13.Qd1 Bb6+=; 10...Nf7 11.Nc3 Nd4 12.Qd3 c6 13.Be6 Ne6+=) 11.ab3 a6 (11...Qe6 12.Nc3 Nd4 13.Qd3 c6=) 12.c3 Bc5 13.b4 Ba7 14.Na3 b5 (14...Nf7 15.b5 Nb8 16.c4+=) 15.Nc2 Nd8 (15...Qe6 16.Ra3=) 16.d4 ed4 (16...Bb6 17.0–0+=) 17.Nd4 (17.cd4 Bb6+=) 17...Bd4 (17...Ndf7 18.0–0=) 18.cd4+= Nc6 (18...Nhf7 19.0–0+=) 19.Bc3 (19.Qc3 d5+=) 19...d5 20.0–0 de4 21.Ne4 1–0. Mroz,Antoni – Pilorz,Rudolf, corr Poland, 1986.

    10.Qd3 a6 (10...Bc5 11.a3 Bc4 12.Qc4 g6 13.Qd3 Nd4+=; 10...Kf7 11.a3 Bc5 12.Nc3 Rf8 13.Nf5 Nf5+=; 10...Rb8 11.0–0 Bc5 12.Na3 Ba3 13.Ba3 Kf7+=; 10...Kg8 11.Nc3 Bc3 12.Bc3 Kf7 13.Rb1 Rb8+=; 10...Bc4 11.Qc4 Qf7 12.Qb3 Qb3 13.ab3 Bc5+=; 10...Rd8 11.Be6 Qe6 12.a3 Ba5 13.Nc3 Bc3+=; 10...Qd7 11.Be6 Qe6 12.Nc3 Bc3 13.Bc3 Kf7+=; 10...Qe7 11.0–0 Ke8 12.a3 Bc4 13.Qc4 Bc5+=; 10...Qf7 11.Be6 Qe6 12.Qb3 Qb3 13.ab3 Bc5+=) 11.Be6 Qe6 12.Qb3 Qb3 13.ab3 Bc5–/+.

    10.Bd5 Bc5 (10...Kf7 11.0–0 Bd5 12.ed5 Ne7 13.d4 ed4=; 10...Kg8 11.Qb3 Bd5 12.ed5 Nd4 13.Bd4 ed4=; 10...Rb8 11.c3 Bc5 12.Be6 Qe6 13.Ba3 Ba3+=; 10...Bd5 11.ed5 Ne7 12.0–0 Qb5 13.Qb3 Qb6–/+; 10...Qe7 11.Qb3 Kf7 12.a3 Ba5 13.Qb7 Bd5+=; 10...Nf7 11.0–0 Bc5 12.Nc3 Ng5 13.Qe2 Qg6–/+; 10...a6 11.Qb3 Bd5 12.ed5 Nd4 13.Bd4 ed4=; 10...Rg8 11.Qb3 Bd5 12.ed5 Nd4 13.Bd4 ed4=; 10...Rc8 11.Qb3 Bd5 12.ed5 Nd4 13.Bd4 ed4=) 11.a3 Bd5 12.ed5 Nd4 13.Qd3 Qa4–/+.

    10.Qe2 Kg8 (10...Bc5 11.0–0 Kg8 12.Nc3 Bc4 13.Qc4 Qf7+=; 10...Rb8 11.Be6 Qe6 12.0–0 Kg8 13.c3 Bc5+=; 10...a6 11.0–0 Kg8 12.Nc3 Nd4 13.Be6 Ne6+=; 10...Kf7 11.0–0 Bc4 12.Qc4 Qe6 13.Qb3 Qb3+=; 10...Nf7 11.Be6 Qe6 12.Nc3 Bc3 13.Bc3 d5+=; 10...Rd8 11.0–0 Kg8 12.Nc3 Nd4 13.Be6 Qe6+=; 10...Qd7 11.Be6 Qe6 12.Nc3 Bc3 13.Bc3 Rb8+=; 10...Qe7 11.Be6 Qe6 12.Nc3 Bc3 13.Bc3 Ke8+=; 10...Qf7 11.Be6 Qe6 12.Nc3 Bc3 13.Bc3 Ke8+=) 11.Be6 Qe6 12.Nc3 Bc3 13.Bc3 d5+=.

    10.Be6 Qe6 11.c3 Bc5 12.d3 Nf7 13.0–0 Rd8+=.

    8.h3 Be6

    9.Qb3 Bc4+= 10.Qc4 Nc6 11.0–0 Bc5 12.Nbc3 a6 13.a4 (13.Nd5 Qf7+= 14.Qd3 Ke8 15.Rab1 Kd8 16.Ba3+=; 13.Qb3 Na5 14.Qd5 c6 15.Qd3 b5 16.Qf3–/+) 13...Qf7 14.Nd5 Ne7 15.Qd3 (15.Qb3 Nd5 16.ed5+=) 15...Nd5 16.ed5 Qg6 17.Qb3 Rb8 18.d4 Ba7 19.de5 de5 (better is 19...fe5 20.Qc4 Qf7+=) 20.Ba3+/– Ke8 21.d6 Qf7 22.dc7 Rc8 (22...Qc7 23.Qe6 Kd8 24.Rfd1 Bd4 25.Nd4 Qd6 26.Nc6 Kc7 27.Qd6 Kc8 28.Qb8) 23.Qb7 Qc7 24.Qa6 Nf5? (better is 24...Bc5+–) 25.Qe6 (25.Qe6 Ne7 26.Be7+–) 1–0. Cwiertnia,A – Jerszow,M, corr Poland–ch3, 1961.

    9.Qb3 Bc4+= 10.Qc4 Nc6 11.0–0 Bc5 12.Nbc3 Bb6 13.Rab1 (13.Nd5 Qg6 14.Nec3 Ke8 15.Nb6 ab6 16.Nd5+=; 13.d3 f5 14.Nd5 f4 15.d4 Qg6 16.Qd3+=; 13.Kh2 Qg6 14.f4 Ke8 15.Nd5 Rf8 16.Qa4+=; 13.Rae1 Qg6 14.Nd5 Nf7 15.Ng3 Ng5 16.Qb3+=; 13.Bc1 f5 14.Nd5 fe4 15.Qe4 Qg6 16.Qg6+=; 13.Kh1 Qg6 14.f4 Ke8 15.Nd5 Nf7 16.Rab1+=; 13.Rfe1 f5 14.Nd5 Qf7 15.d3 fe4 16.Nb6+=; 13.Ng3 Qg6 14.Nd5 f5 15.ef5 Nf5 16.Nf5+=; 13.a3 Qg6 14.Kh2 Ke8 15.f4 Kd8 16.Nd5+=) 13...Qg6 14.Nd5 Nf7 15.Ng3 Ke8 16.Qa4+=.

    9.Qb3 Bc4+= 10.Qc4 Nc6 11.0–0 Bc5 12.Nbc3 f5 13.ef5 (13.Nd5 Qf7 14.d3 fe4 15.Qe4 Kg8 16.Bc1+=; 13.Kh2 Nb4 14.Nd5 Qf7 15.Be5 Re8 16.d4–/+; 13.Rae1 Qf7 14.Qb5 Rb8 15.ef5 Nf5 16.Na4–/+; 13.Rab1 Qf7 14.Qa4 fe4 15.Ba3 Bb6 16.Bd6+=; 13.Qb3 Na5 14.Qd5 Qf7 15.d4 ed4 16.Nd4–/+; 13.Kh1 Ke7 14.ef5 Nf5 15.f4 Kd8 16.Rae1+=; 13.Rfb1 Qf7 14.Qb5 Rb8 15.a3 a6 16.Qa4–/+; 13.Rfe1 Qf7 14.Qb5 Rb8 15.a3 a6 16.Qa4–/+; 13.Bc1 Na5 14.Qd3 Qg6 15.Kh2 Ke7 16.f4+=) 13...Nf5 14.Na4 Bb6 15.Nb6 ab6 16.f4=.

    9.Qb3 Bc4+= 10.Qc4 Nc6 11.0–0 Bc5 12.Nbc3 Qf7 A) 13.Qb5 Rb8 14.d3 (14.Kh2+= Ke8 15.f4 a6 16.Qa4–/+) 14...Nb4 15.Rfc1 f5 16.a3+=; B) 13.Nd5 Ne7 14.d4 ed4 15.Qb3 Nd5 16.ed5+=; C) 13.Qa4 f5 14.Rab1 fe4 15.Ba3 Bb6 16.Bd6+=.

    9.Qb3 Bc4+= 10.Qc4 Nc6 11.0–0 Bc5 12.Nbc3 Qg6 13.Na4 (13.Nd5 Rc8 14.Rab1 Nf7 15.d3 Ncd8 16.Bc1+=; 13.Rab1 Ke7 14.d3 Kd8 15.Bc1 Nf7 16.Nd5+=; 13.Bc1 f5 14.Na4 Bb6 15.Nb6 ab6 16.d4+=; 13.d3 Ke7 14.Qb3 Rhb8 15.Rab1 f5 16.a3+=; 13.a3 Ke8 14.Na4 Bb6 15.Nb6 ab6 16.f4+=; 13.Rae1 Nf7 14.Na4 Ng5 15.Qb3 Bb6 16.Ng3+=; 13.Rfe1 f5 14.Qb3 Bb6 15.Nd5 fe4 16.Nb6–/+; 13.Rfb1 f5 14.a3 Rb8 15.ef5 Nf5 16.Ne4+=; 13.Qd5 Rb8 14.a3 Nd4 15.Nd4 ed4 16.Na4+=) 13...Bb4 14.Bc1 Qf7 15.Qb5 Rb8 16.d4=.

    6.Nf3 d6

    7.c3 Bg4 8.Qh4 Ba5 9.h3 Bf3 10.gf3 Nc6 11.Rg1 f5 12.Qg3 Qf6 Black plans f4 13.Na3 Re8 14.0–0–0 (14.Bd5 Ne7 15.Bb3 Ng6+=) 14...Bb6–/+ 15.Nc2 f4 (15...Na5 16.Bd3–/+) 16.Qg2+= Re7 17.d4 Ke8 18.Bb5 Kd8 19.Bc6 bc6 20.Nb4 Kd7 21.d5 (21.d5 c5 22.Nc6=). Hecht,Hans – Frueh, 1953.

    7.h3 Nc6 8.Nc3 Na5 9.Bd3 Be6 10.Nd5 Bd5 11.ed5 Qe7 12.0–0 Re8 13.Qh4 Bc5 14.Bc3 b6 15.Bb5 Rb8 16.Rab1 Nb7 17.Rfe1 Qf7 18.Qe4 g6 19.d4 ed4 20.Nd4 Bd4 21.Qd4 Kg7 22.Re6 Ng8 23.Rbe1 Kf8 (better is 23...Nc5!? 24.R6e3 a6+/–) 24.Re8 Re8 25.Be8 (25.Re8?! Kg7+=) 25...Qg7 26.Bc6 Nc5 27.Re8 Kf7 28.Rc8 Ne7 29.Rc7 g5 (29...Rb8 30.Qf4 Rd8 31.Ra7+–) 30.Qe3 Re8 (30...Kf8 31.Bd4 (worse is 31.Ra7 Rg8+–) 31...Qf7 32.Ra7+–) 31.Ra7 1–0. marekt (2055) – man_about_town (1695), gameknot.com, 2014.

    7.h3 Bd7 8.Nc3 c6 9.0–0 b5 10.Bb3 Bc5 11.Ne2 (11.Qh4 Ke8=) 11...a5 (11...f5 12.ef5 Bf5 13.d4=) 12.a4 ba4 (12...ba4 13.Ra4 Qe8=). Roscher – Diener,Rudolf, corr SOK–88–36, 1988.

    7.h3 Qe8 8.Qh4 (8.Qe8 Ke8 9.a3 Ba5 10.0–0 Nd7 11.d4 Nb6 12.Bb3 Ke7 13.Bc3 Bc3 14.Nc3 Bd7) 8...Be6 (8...Qc6 9.Bb3 Nd7 (9...Na6 10.Bc3 Qe8 11.0–0 Be6 12.d4 Bf7 13.a3 Bc3 14.Nc3 ed4) 10.Bc3 a5 11.a3 Bc5 12.0–0 a4 13.Bd5 Qa6 14.d3 Nb6) 9.Be6 Qe6 10.g4? (10.0–0!?= Nd7 11.a3 Ba5 12.Bc3 Bc3 13.Nc3 Nc5 14.Rab1 Re8) 10...Nd7 (10...Qc4!? 11.g5 fg5 12.Ng5 Qc2 13.Rg1–+) 11.g5–/+ Nf7 12.Rg1 g6 13.Nc3 c6 14.Ne2 Re8 15.Qg3 (15.c3 Bc5 16.d4 ed4 17.cd4–+) 15...Nc5–+ 16.Qg4 Qg4 17.Rg4 fg5 18.Bc3 Bc3 19.Nc3 h6 20.0–0–0 Kg7 21.Rdg1 Rhf8 22.h4 Nd8 (22...h5 23.R4g2 g4 24.Nh2–+) 23.hg5? (better is 23.R1g3–+) 23...Rf3 24.gh6 Kh7 25.Rg6 Nce6 26.Nd1 Rff8 27.Ne3 Rg8 (27...Rf2!? 28.c4–+) 28.Rg8 Rg8 29.Rh1 Nf7 30.Nf5 Rg6 31.d3 Nd4 32.Kd2 (32.Nd4 ed4 33.f4–+) 32...Nf5 (32...Nf5 33.ef5 Rh6–+) 0–1. Zerebecki,Dawid (1695) – Chenska,Karolina, Copernicus Poland, 2010.

    6.f4 d6

    7.c3 Ba5 8.fe5=.

    7.c3 Bc5=.

    7.fe5 de5 8.Nf3 Bg4=+.

    7.fe5 fe5 8.Ne2 Qf6 9.Rf1 Bd2 10.Nd2+–.

    7.f5 c6+= 8.Ne2 Qb6 (8...d5 9.Bd3–/+) 9.Qf3 (9.Nbc3 d5 10.Bb3 de4 11.Ne4 Bf5 12.Nf6 Qd8+=) 9...Bc5 (9...Bd2 10.Nd2 Qb2 11.Rb1 Qc2 12.Nc3 Nf5 13.ef5 Qf5 14.Qf5 Bf5 15.Rb7+=) 10.Bb3 Nf7 11.Nbc3 Ng5 12.Qf1 Nd7 13.h4 Nf7 14.g4 a5 15.Rh3? (15.Na4 Qc7+=) 15...Qa7 (15...a4 16.Bf7 Qb2= (16...Kf7?! 17.0–0–0–/+)) 16.a4 b6 17.Qg2 Ba6 18.0–0–0 (18.g5 Re8+=) 18...Ke7 (18...b5!?–/+) 19.d4+= ed4 20.Nd4 Bd4 21.Rd4 b5 (21...Nde5 22.g5+=) 22.ab5 cb5 23.Bf7 (23.Nd5 Ke8=) 23...Kf7+= 24.e5 (24.Rd6 b4 25.Nd5 Bc4+=) 24...Ne5 (24...Qd4 25.e6 Ke7 26.Nd5 Qd5 27.Qd5+/–) 25.Qd5 Ke8 26.Nb5 Bb5 27.Qb5 Ke7 28.g5 (28.Qd5 Nf7 29.Re3 Kf8+=) 28...Rab8 (28...Rhb8 29.gf6 gf6=) 29.gf6+= gf6 30.Qd5 Exerts pressure on the isolated pawn 30...Qd7 31.Rg3 Rhf8 (31...Qf5 32.Qd6 Kf7 33.Qc7 Ke8 34.Qb8 Kf7 35.Qc7 Qd7 36.Rd7 Ke6 37.Qd6 Kf5 38.Rf7 Nf7 39.Qf6 Ke4 40.Qf3) 32.Ba3 The pressure on the isolated pawn grows 32...Rb6 33.Re3 (33.Qa5 Rc6=) 33...h5 (33...a4 34.Qa5 Rfb8 35.Re5 fe5 36.Bd6 Qd6 37.Rd6 Kd6 38.Qa4+=) 34.Rb3 (34.Re5 fe5 35.Qe5 Kf7 36.Bd6 Qe8 37.Qd5 Kg7 38.Bf8 Qf8 39.Qa5 Rb7+–) 34...Rc6 35.Rb7! Qb7 Deflection from d6 36.Bd6 Demolition of pawn structure (36.Bd6 Rd6 37.Qb7 Rd7 38.Rd7 Nd7 39.Qa6+–) 1–0. Zylla,Johannes – Diener,Rudolf, corr SOK–92–79, 1992.

    7.f5 Nc6 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nc6 5.f4 d6 6.f5 Nh6 7.Qh5 Kf8).

    7.h3 Nc6 8.a3+= Ba5 (8...Bc5 9.Ne2+=) 9.Ne2= Bd7 (9...ef4 10.Nf4 Qe7 11.Bd5=) 10.Nbc3 Bc3 11.Bc3 Be8 12.Qf3 Ke7 (12...Bf7 13.Bf7 Kf7 14.Qh5 Ke7 15.Rb1=) 13.d4 (13.0–0 Bf7 14.Bb5 Re8=) 13...ed4 14.Nd4 Nd4 15.Bd4 c6 (15...Bf7 16.Qg3 Rg8 17.Bf7 Nf7 18.Rb1=) 16.0–0+= Qa5 (16...Bf7 17.Bb3+=) 17.Qg3 g6? (better is 17...Bg6!?+=) 18.Qh4+– Ng8 19.Bg8 Rg8 20.Bf6 Kf8 (20...Ke6 21.f5 gf5 22.ef5 Kf7 23.Qh7 Kf6 24.Qg8 Qb6 25.Rf2+–) 21.Be7 (21.Be7 Kg7 22.Qf6 Kh6 23.Bf8 Rf8 24.Qf8 Kh5 25.Qg7+–) 1–0. Feilmayr,Erwin – Diener,Rudolf, corr SOK–92–79, 1992.

    7.h3 ef4 8.Qf3–/+.

    6.f4 ef4

    7.a3 Bd6=.

    7.Ne2 Nc6 8.0–0 (8.a3 Bd6 9.0–0 Qe8 (9...Ne5 10.Bb3 f3 11.gf3 Qe8 12.Qe8 Ke8 13.Nbc3 Kf8+/–) 10.Qe8 Ke8 11.Nbc3 f3 12.gf3 a6 13.Kg2 b5+=) 8...Ne5?? (better is 8...Qe8 A) 9.Qf3 Bc5 (9...Qe7= 10.d4 g5 11.Nf4 gf4 12.Qf4 Nf7 13.a3 Ba5=) 10.Kh1 d6 11.Nf4 Bg4 12.Qg3 Qe4 13.Bb3 Bd4=; B) 9.Qe8 Ke8 10.d4 g5 11.a3 Ba5 12.Nbc3 f5 13.Nd5 Nf7+=) 9.Be5+– fe5?? (9...d5 10.Bf4 dc4 11.Bh6 gh6 12.Qh6 Kf7+–) 10.Nf4! (10.Qe5?! Qe7 11.Qf4 Ke8 12.Qc7 Bd6+–) 10...Bc5 11.Kh1 ef4 12.Rf4 Ke7 13.Qe5# 1–0. ante – 1game, internet, 2011.

    7.Ne2 Qe7 8.0–0 d6 (8...Qe4 9.Rf4 Qg6 10.Qb5=+) 9.Nf4 (9.Rf4 Bc5 10.Kh1 Nf7+=) 9...Bg4 (9...Qe4 10.d3 Qe3 11.Kh1=+) 10.Qh4= Qe4 (10...Nd7 11.Nd3 Be2 12.Rf2 Bd3 13.cd3=+ (13.Bd3? Bc5–+)) 11.Bd5 (11…Bc5 12.Kh1+–) 1–0. Schirmer,Michael (2140) – von Rosenberg,Clemens (1630), DESC, 2002.

    7.Ne2 Qe7 8.a3 Bd6 (< 8...Qe4 9.Bd3 Qg2 10.Rg1 Bd2 11.Nd2+–) 9.d3 c6=+.

    7.Ne2 Qe7 8.Nbc3 d6 (better is 8...c6!?+=) 9.Nd5+= Qf7?? (better is 9...Bg4 10.Qh6 gh6 11.Ne7 Ke7 12.Nf4 c6+=) 10.Qf7+– Nf7 11.Nc7 Nc6 12.Na8 Bg4 (12...Nfe5 13.Be5 Ne5 14.Bd5+–) 13.Nf4 Nce5 (13...Nfe5 14.Bd5+–) 14.Bd5 Ke7 15.Rb1 (15.h3 Bc8+–) 15...Ra8 16.Be5 de5 17.Rb4 ef4 (17...Rb8 18.h3 Bd7 19.Nh5+–) 18.Rb7 Bd7 19.Rd7! Kd7 20.Ba8 1–0. Janek – Fritzi, internet, 2016.

    7.Nf3 d6 8.0–0 Bg4 9.Qh4 Nd7 10.h3 (10.a3 Bf3 11.gf3 Ne5 12.ab4 Nc4+=) 10...Bf3–/+ 11.Rf3 (11.gf3!? Ne5 12.Bb3–/+) 11...Ne5–+ 12.Be5 de5 13.c3 Be7 14.Rd3 (14.Qf2 Nf7 15.d4 Ng5–+) 14...Qe8–+ 15.Qf2?? (15.Bb3 Qb5 16.c4 Qc6–+) 15...b5 (better is 15...Qc6 16.Bd5 Qb5–+) 16.Be6 Qc6 (better is 16...Bd6!? 17.Bd5 c6–+) 17.Bd5+= Bc5?? (17...Qd6 18.Ba8 Qd3 19.Qa7 c5+=) 18.Bc6+– Bf2 19.Kf2 Rb8 20.Rd5 (20.Rd7 Ng8+–) 20...a6 (20...Ke7 21.Rd7 Ke6 22.d4+– (22.Rc7?! Kd6 23.Rg7 Kc6+=)) 21.d4 (21.Rd7!? f5+–) 21...Rb6?? (better is 21...Nf7+–) 22.Rd8 (22.Rd8 Ke7 23.Rh8 Rc6 24.Rh7+–) 1–0. Trkn – fredwhensaidisahead, itsyourturn.com, 2000.

    7.Nf3 Qe7 8.Bd3–/+.

    5.Qh5 g6??

    6.Qh6+– c6 7.Qg7 Rf8 8.Qh7 d5 9.ed5 cd5 10.Bd3 e4 (10...Qb6 11.Nc3 Bc3 12.Bg6 (worse is 12.dc3 Qb2 13.Qg6 Ke7+=; 12.Bc3?! d4+–; 12.Qg6?! Kd8 13.Bc3 d4+–) 12...Kd8 A) worse is 13.dc3 Qb2 14.Rd1 Qc3 (worse is 14...Qa2 15.Ne2+/–) 15.Kf1 Qc5+=; B) 13.Bc3+–) 11.Qg6 Ke7 (11...Rf7 12.Be2 Be6 13.f4 ef3 14.Nf3+–) 12.Be4! de4 (12...Nc6 13.Bf3+–) 13.Qe4 Kf7 14.Qb4 Re8 15.Ne2 Bg4 (15...Re6+–) 16.Qg4 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

    6.Qh6+– d5 7.Bd5 c6 8.Bb3 Na6 (8...Qd7 9.Nf3 a5+–) 9.Qg7 Rf8 10.Qh7 Bg4 (10...Nc5+–) 11.Qg6 Rf7 (11...Kd7 12.Qg4 Kc7+–) 12.Qf7 1–0. Trkn – guest3592, ICC, 2004.

    6.Qh6+– d6 7.Qg7 Rf8 8.Qh7 Bd7 (8...g5 9.h4 gh4 10.Qg6 Kd7 11.Rh4+–) 9.Qg6 Rf7 (9...Ke7+–) 10.Qf7 1–0. DEFFM – GuestTCMJ, freechess.org, 2018.

    6.Qh6+– Qe7 7.Ne2 Qf8 8.Qf8 Rf8 9.Nbc3 c6 10.d4 d6 11.a3 f5 (11...Ba5+–) 12.ab4 f4 (12...Nd7 13.Bb3+–) 13.f3 (better is 13.de5 de5 14.Na4 Nd7+–) 13...Na6 (13...Ke7 14.Kf2+–) 14.Ba6 ba6 15.de5 de5 16.Ra5 Rb8 17.Re5 Kd7 18.Kf2 Rb4 (18...Kc7+–) 19.Rd1 Kc7 20.Ba3 Rc4 21.Re7 Kb6 22.Rb1 Ka5 23.Re5 c5 24.Bc5 Bd7 (24...Rb4 25.Ra1 Ra4 26.Ra4) 25.Bb6 1–0. Kaltschmidt,Andreas (2195) – Witt,Monika (1620), RSX16E4 – Sokolsky–1, 2010.

    6.Qh6+– Qe7 7.Nf3 d6+–.

    6.Qh6+– Qe7 7.f4 ef4 (7...Qc5 8.Bd3+–) 8.Qf4 d6 9.Nf3 (9.Bf6?! Rf8 10.e5 de5 11.Be7 Rf4 12.Bb4 Rc4+–) 9...g5 (9...Nd7 10.a3 Ba5 11.0–0+–) 10.Qe3 (better is 10.Qf6 Rf8 11.Qe7 Ke7+–) 10...Nc6 11.Ng5! Rg8 (11...fg5 12.Bh8) 12.Bf7 Kf8 13.Bg8 Kg8 14.0–0 (better is 14.Qb3 Kg7 15.Rf1+–) 14...fg5 15.Bf6 Bc5 16.d4 (better is 16.Qc5 dc5 17.Be7 Ne7 18.Nc3+–) 16...Bd4?? (better is 16...Qf6 17.dc5 Qd4 (17...Qa1? 18.Nc3 Qf1 19.Kf1+–) 18.Qd4 Nd4 19.cd6 Nc2 20.dc7 Be6+–) 17.Bd4 Nd4 18.Qd4 Bg4 (18...Qe5 19.Qe5 de5 20.Nd2+–) 19.Nc3 (19.Qd5!? Kh8 20.Rf7 Qe5 21.Qe5 de5 22.Rc7 b6+–) 19...c5 (19...Qe5 20.Qd5 Qd5 21.Nd5+–) 20.Qf6 (20.Qf6 Qf6 21.Rf6+–) 1–0. mtr – Txunti, internet, 2001.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
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  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
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