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TESTH160 Release 2023-05-12
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c5

(...)

5.a4 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.a4 c5).

5.c4 a6 6.a4 Nh6 7.cd5 Qd5 8.Na3 Be6 9.Ne2 Nf5 10.Nc3 Qd8 11.Nc4 Nd6 12.Qb3 Be7 13.Nd6 Qd6 14.Bc4 Bc4 15.Qc4 Nd7 16.Ne4 Qc7 17.0-0+= f5 18.Ng3 g6 19.d4 Qd6 20.Rad1 Nb6 21.Qc5 Qc5= 22.dc5 Nc4 23.Ba1 ab5 24.ab5 Bc5 25.Rc1 Ra4 26.Be5! Rf8 27.Bf4 b6 28.Rfd1 Kf7 29.Rd7 Kg8 30.Bh6 Re8 31.Rg7 Kh8+= 32.Rd7 Ne5 33.Rc7 Ng4 34.Bg7 Kg8 35.h3 Ne3 36.R1c5 bc5 37.fe3 Re3 38.Kf2 f4= 39.Nf1 Ra2 (39...Ra2 40.Kg1 Ree2=). spblex (2550) – knightmare (2545), net–chess.com, 2010.

5.c4 Bd6 6.cd5 Ne7 7.Nc3 0-0 8.a4 Nd7 9.Nf3 Nb6 (9...f5 10.d3=) 10.Qb3 (10.a5 Nd7+– (10...Nbd5? 11.Nd5 Nd5 12.Bc4+–)) 10...Kh8 (10...a5+=) 11.d4 (better 11.a5!? Nd7 12.Ne4+–) 11...cd4 12.ed4 ed4 13.Nd4 Bc5 Increasing the pressure on the isolated pawn on d5 (13...Ned5 14.a5 Nc3 15.Bc3 Re8 16.Be2=+) 14.Ne6+= Qd6?? (better 14...Be6 15.de6 Qd4+=) 15.Nf8+– Nbd5 (15...Ned5 16.a5 Nc3 A) 17.Qc3 Bb4 18.ab6 Qe5 19.Kd2 Qd4 20.Kc2 Bf5 (20...Bc3 21.Bc3 Bf5 22.Kb3 Qf2 23.Ra7 Rf8 24.Bc4 Qc2 25.Kb4–+; worse 20...Qf2 21.Kb3 Bc3 22.Bc3–+) 21.Kb3 Bc3 22.Bc3 Qf2 23.Ra7 Rf8–+; B) 17.ab6?? Bf2 18.Kf2 Qf4 19.Ke1 Qe3 20.Be2 Qe2; C) 17.Bc3+–) 16.Nd5 (16.Rd1 Qf4 17.Rd2 Bf5 18.Nd5 Nd5 19.Qd5 Re8 20.Ne6 Bb4+–) 16...Nd5 17.Bc4 (17.0-0-0!? Qf4 18.Kb1 Bf5 19.Bd3 Nb4+–) 17...Nf4 18.0-0 Qf8 19.Rac1 (19.Rfe1 Ng6+–) 19...Bf5 (19...Bg4 20.Rfe1 Bd6 21.Bd4+–) 20.Rfe1 (20.Qf3 Bd6+–) 20...Rc8 (20...Bb4 21.Qf3 Bd2+–) 21.Bd5?? (better 21.Qf3 Bd6 22.g3 Nh3 23.Kg2+–) 21...Nd3+= 22.Rc5?? (22.Rf1 Nc1 23.Bc1 b6+=) 22...Nc5?? (22...Qc5 23.Rf1 Nb2 24.Bb7–+) 23.Qg3?? (better 23.Qf3 Re8 24.Re3 Re3 25.fe3+=) 23...Nd3–+ (23...Na4 24.Ba3 Re8 25.Rf1+–) 24.Bc3 (better 24.Qf3 Bg6 25.Ra1 Nb2 26.Bb7–+) 24...Nb2?? (better 24...Qd8 25.Qf3 Rc3–+) 25.Bb2+– Rc2 (25...Re8 26.Re8 Qe8 27.h3+–) 26.Bd4 (26.Bc3 Bg6+–) 26...Qd8 (26...b6 27.Bc3 h6 28.Bb3+–) 27.Qf3 (better 27.Qd6 Rc8 28.Qd8 Rd8 29.b6+–) 27...g6 (27...Bg6 28.Ba7 h6 29.Be3+–) 28.Ba7 (better 28.g4 Kg7 29.g5+–) 28...Qd5 (28...Rc7+–) 29.Qd5 Rc8 30.Qg8 (30.Qf7 Bg4 31.Bd4 Rg8 32.Qf6 Rg7 33.Qg7) 30...Kg8+– 31.Re8?? (31.Re8 Re8 32.h3–+; better 31.h3 Kf7 32.Be3+–) 1–0. RichardSommer (2010) – driverchi (2025), lichess.org, 2020.

5.d3 Qa5 6.Bc3 Qb5 7.d4 c4 8.de5 fe5 (8...Nc6 9.a4 Qc5 10.Nf3=) 9.Qh5 Kd8 10.Be5 Nc6 11.Nc3 (11.Qf7 Nge7 12.Bg7 Bg7 13.Qg7 Qb4 14.Nd2 Rg8+=) 11...Qb2 (better is 11...Qa5 12.Rd1 Bb4+=) 12.Nd5?? (12.Rb1 Qc2 13.Rd1+=) 12...Qe5 (better is 12...Ne5!? 13.Rd1 Bd7–+) 13.Qf7?? (better is 13.Qe5 Ne5 14.Rd1–/+) 13...Bd6 (13...Bd6 14.Rd1 Nh6–+) 0–1. GuestFHRH – GuestPHSQ, freechess.org, 2017.

5.d3 a6 6.d4 ed4 7.ed4+=.

5.Bd3 Bd6 6.Qh5 Ke7 7.Qd1 (7.e4 d4+=) 7...e4 8.Be2 b6 (better is 8...Kf7!?=) 9.d3+/– Bf5 10.Nd2 (10.de4!? Be4 11.Bf3+–) 10...ed3+/– 11.cd3 Nd7 (11...Kf8 12.Ngf3+=) 12.e4 de4 13.de4 Bg6 14.Ngf3 Ne5 15.0-0 Nh6 (15...Kf8 16.Nh4 Bf7 17.f4+–) 16.Nc4 Nc4 17.Bc4 Be4? (better is 17...Nf7+–) 18.Re1 f5 19.Bg7 Ng4 20.Bh8 Qh8 21.h3 (better is 21.Qd5! Kd7 22.Re4 Qa1 23.Re1 Qe1 24.Ne1 Re8 25.Qf5 Kd8+–) 21...Ne5 22.Bd5 Nf3 23.Qf3 Kd7?? 24.Be4+– fe4 25.Qe4 Qd4 26.Qa8 Qf4 27.Qc6 Kd8 28.Re8 1–0. revbodio1 – GirlPower69, Live Game Caissa's Web, 2004.

5.d4 c4 6.de5 fe5 7.Qh5 Kd7 8.Be5 Nf6 9.Bf6 Qf6 10.Qd5 Bd6 11.Qd4 Qd4 12.ed4 Re8 13.Kd1 a6 14.Bc4 ab5 15.Bb5 Nc6 16.d5 Be5 17.c3 Ra5 18.dc6 bc6 19.Bd3 Rd5 20.Kc2 Kc7 21.Nf3 Bf6 22.Na3 Bg4 23.Nc4 Rc5 24.Rhe1 Rd8 25.Rad1 Ra8 26.a3 Bf3 27.gf3 Ra4 28.Re4 Rf5 29.f4 Rh5 30.Kb3 Ra8 31.Ne5 Rh2 32.Rd2 Rh1 33.Rc4 Ra1 34.Rc6 Kb7 35.Rf6 1–0. bluepiramid2 (1645) – lechupl1, internet, 2013.

5.Be2 Bf5 6.d4 cd4 7.ed4 Qa5 8.Bc3 Bb4 9.Qd2 Bc3 10.Nc3 Ne7 11.Bh5 Bg6 12.Bg6 hg6 (< 12...Ng6 13.Nd5 Qd8 14.de5 fe5 15.Rd1+/–) 13.Nf3 Nd7 14.de5 fe5 (14...Rc8!? 15.e6 Qc3 16.ed7 Kd7 17.Qc3 Rc3=) 15.Rd1 +=.

5.Be2 Nh6 6.f4 (6.d4!? cd4 7.ed4 Bb4 8.Nd2=) 6...ef4=+ 7.ef4 Be7 (7...Bd6 8.Bh5 g6 9.Be2=+) 8.d4 (8.Nf3 Bd6=+) 8...cd4 (8...Nf5 9.dc5 Ne3 10.Bh5 g6 11.Qe2 Bc5 12.Bc1–+) 9.Bd4 =.

5.Nf3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 c5).

5.Nf3 Nh6 6.c4 e4 7.Nh4 d4 8.ed4 cd4 9.g3 Bc5?? (9...d3 10.Nc3 Bg4 11.f3 ef3 12.Nf3–/+) 10.Ba3?? (better is 10.Qh5 g6 11.Qh6+– (< 11.Qc5 g5 12.Ng2 Nf5+–)) 10...Ba3–/+ 11.Na3 0-0 12.Bg2 f5 13.0-0 a6 14.ba6 Na6 15.Qb3 Kh8 16.Bh1 Nc5 17.Qb4 Nd3 18.Qb3 Qe7 19.Nb5 Bd7 20.Ng2 Bc6 21.Nf4 Nf4–+ 22.gf4 Qh4 23.Nd4 Rab8 24.Ne2 Ng4 25.Qg3 Qf6 26.d4 b6?? 27.d5 Ba8 28.Nc3 Rbe8 29.Nb5 e3 30.fe3 Re3 31.Rfe1?? Rg3–+ 32.hg3 Qh6 33.Re2 g5 34.fg5 Qg5 35.Rae1 f4 36.gf4 Qf4 37.Bg2 Qh2# 0–1. GULP – COUNTDOWN2MATE3, Live Game Caissa's Web, 2004.

5.f4 Bd6 A) 6.Nh3 Ne7 7.Nc3 (7.Qf3 0-0 8.Nc3 e4 9.Qd1 Be6 10.Be2 Nd7 11.0-0 h6 12.d3; 7.fe5 fe5 8.Qh5 g6 9.Qh4 0-0 10.Nc3 Qa5 11.Ng5 h5 12.Nd5; 7.c4 d4 8.Bd3 0-0 9.0-0 Bh3 10.Qh5 e4 11.Be4 f5 12.Bb7; 7.g3 0-0 8.Nc3 Nd7 9.Bg2 Nb6 10.Qe2 e4 11.d3 ed3 12.cd3) 7...0-0 8.Qf3 e4 9.Qh5 Be6 10.Be2 a6 11.0-0 ab5 12.Nb5; B) 6.fe5 fe5 7.Be5 (7.Nf3 Nf6 8.Be5 Be5 9.Ne5 0-0 10.Nf3 Ne4 11.Nc3 a6 12.Be2) 7...Nf6 8.Nf3 Be5 9.Ne5 0-0 10.Nf3 Ne4 11.Nc3 a6 12.Be2.

5.h3 Bd7 6.a4 (6.Nc3 Be6+=) 6...b6 (6...Be6 7.Nc3=) 7.Nc3 (7.a5 ba5 8.Bc3 Be6+=) 7...Be6+= 8.g4 (8.Nf3 Nd7=) 8...Ne7 (8...Bd6 9.e4 d4 10.Nd5=) 9.Bg2 Nd7 10.Nge2 Rb8 (10...g6 11.f4=) 11.Ng3 (11.f4 g6+=) 11...e4 (11...g6 12.h4=) 12.Nce2 Qc7 (better is 12...Ng6+=) 13.Nf5 (better is 13.0-0+/–) 13...Nf5+= (worse is 13...Bf5 14.gf5 g6 15.d3 Nf5 16.Nc3+=) 14.gf5 Bf5 15.Nf4 Bd6 (better is 15...Qb7+=) 16.c3?? (better is 16.Nd5 Qd8 17.f4+=) 16...d4 (better is 16...Bf4 17.ef4 Qf4–+) 17.cd4–/+ cd4 (17...Bf4 18.ef4 cd4 19.Bd4 Qf4 20.Be3–/+) 18.0-0 (18.Rc1!? Nc5 19.Bd4 Bf4 20.Bc5 bc5 21.ef4+=) 18...Bc5?? (better is 18...Bf4 19.ef4 Qf4 20.Bd4 Qd6–/+) 19.ed4 0–1. Gouveia,Doriel – Carvalho,Gilvando Santos, 1st Championship de Veteranos do Nordes, 2010.

5.h3 Be6 6.c4 Ne7 7.cd5 Nd5 8.Nc3 Nc3 9.Bc3=.

5.Qh5 Ke7 6.f4 g6 7.Qh4 e4 8.d3 Bg7 9.de4 de4 10.Nd2 Qd5 11.Bc4+/– Qf5 12.Ne2 Nh6 13.Ng3 Qg4 14.Qg4 Ng4 15.Ke2 Nd7 16.Nge4 Nb6 17.Bb3 Re8 18.h3 Nh6 19.Nc5 Kf8? 20.Rhe1 Nf5 21.Kf2 Nd6 22.a4 Nd7 23.Ne6 (23.Ne6 Re6 24.Be6+–) 1–0. elsh1403 – lakyluciano (1635), internet, 2011.

5.Nc3 Be6

6.d4 cd4 7.ed4 Bd6 8.de5 fe5 9.Qh5 (9.Nd5? Bd5 10.Be5 Qa5 11.c3 Be5 12.Qh5 Kd8 13.Qe5 Nf6–+) 9...g6 10.Qe2 Nf6 11.Nf3 Qc7 12.Ng5 (12.b6!? Qb6 13.Nb5=) 12...Bg4=+ 13.Qd2 (13.f3 Bb4 14.Qe3 d4–+) 13...h6 –/+.

6.d4 cd4 7.ed4 e4 8.Nge2 Bb4 9.Nf4 Qc8 10.Be2?? (better is 10.Qd2=) 10...Bc3–+ 11.Bc3 Qc3 12.Kf1 g5 (better is 12...Bf7–+) 13.Ne6+= Kf7 14.Nd8 Ke7 15.Nb7 Nd7 16.Rb1 Rb8? (better is 16...Qc7!? 17.Nc5 Nc5 18.dc5 Qc5=) 17.Rb3+/– Qc8 (17...Qc7!? 18.Nc5! Nc5+/–) 18.Na5+– Kf8 19.Nc6 Rb6 20.Bg4 (20.c4 dc4 21.Bc4 a6+–) 20...h5 (20...Ne7!? 21.Ne7 Ke7+/–) 21.Be6+– Ne7 22.Ne7 Ke7 23.Bd5 f5 24.Ke2 (24.c4!? a6+–) 24...Nf6 25.Bc6 Rc6 26.bc6 Qa6 27.Ke1 Qc6 28.Qd2 f4 29.Qb4 Kf7 30.Qb7 Qd7 31.Qd7 Nd7 32.Rb7 Ke7 (32...Rb8 33.Rb8 (33.Rd7?! Ke6+–) 33...Nb8 34.Ke2+–) 33.Ra7 Rc8 34.Kd2 Ke8 (34...Kd6 35.Rb1 g4 36.Rbb7+–) 35.Rb1 Rc4 36.c3 g4 (36...Kd8+–) 37.Rbb7 Ke7 (37...Rc6 38.Rd7 Ra6 39.Ra6 Kd7 40.Rf6+–) 38.Rd7 Ke6 39.Rh7 Kf6 40.Rh5 Kg6 41.Rb5 (better is 41.Re5 Rc6 42.Re4+–) 41...Rc8 (41...Rc6 42.Raa5 f3 43.gf3 ef3 44.Rg5 Kh6 45.Rg4+–) 42.Ra6 (42.Rb6 Rc6 43.Rc6 Kg5 44.Ra5 Kh4 45.Rh6) 42...Kf7 43.Re5 Re8 44.Re8 Ke8 45.Rb6 1–0. stameni – saliamichenko, gameknot.com, 2014.

5.Nc3 Bf5

6.Nf3 d4 7.Ne2 d3 8.cd3 Bd3 (< 8...Qd3 9.Ned4 Qe4 10.d3+/–) 9.Ng3 Ne7 10.Bd3 Qd3 11.Qb3 Qb3 12.ab3 Nc8 (12...Nd5 13.0-0=+).

6.Nf3 e4 7.Nh4 Be6 8.g3 Ne7 9.d3 f5 10.de4 fe4 11.Be2 Qa5 12.Qd2 Qc7 13.Ng2 Qe5 (13...a6!?=) 14.Nf4 d4 15.Na4 (15.Ne6?! dc3 16.Qd8 Kf7=) 15...Nf5 16.ed4 cd4 17.Ne6 Qe6 18.Bd4 Qg6 19.Bc3 Nd7 20.0-0-0 (20.Qd5 Nd6 21.Bh5+–) 20...0-0-0 +/–.

6.Nf3 Ne7 7.d4 cd4 8.ed4 e4 9.Nd2 Bg6 10.Be2 Nf5 11.Nb3 Bb4 12.0-0 0-0 13.Nc5 Bc3 14.Bc3 Qe7 15.Bb4 Rd8 16.Qd2 b6 17.Nb3 Qc7 18.Rfe1 Nd7 19.a4 Rdc8 20.Rac1 Bf7 21.h3 Nh4 22.a5 Be6 23.c4 +/–.

5.c4 Bf5

6.cd5 Qd5 7.Nc3 =.

6.Be2 Nd7 7.Bh5 g6=+ 8.Be2 dc4 9.Bc4 Nb6=+ 10.Be2 Bd3 11.Nf3 Nc4 12.Qc1 Qd7 13.a4 Be2 14.Ke2 Nb2 15.Qb2 e4 16.Nh4?? Qg4–+ 17.Ke1 Qh4 18.Nc3 0-0-0 19.Ne2 Bd6 20.a5 Be5 21.Qc2 Ba1 22.Qc5 Kb8 23.a6 Qh5 24.Qc1 Qe5 25.Nd4 Bd4 26.ab7 Bb6 27.g3 Qb5 28.Qc2 Ba5 29.Qe4 Rd2 30.Qf4 Rd6 (30...Rd6 31.Qb4 Bb4#) 0–1. stoker – IsraeliProgram, Live Game Caissa's Web, 2005.

5.d3 Be6

6.c4 d4 (6...dc4 7.Nc3=+) 7.Nf3 (7.Be2 Nh6=) 7...Bd6 8.a4 Ne7 9.Be2 de3 10.fe3 Nf5 11.Qd2 Bc7 12.0-0 Ba5 (12...e4 13.de4 Qd2 14.Nbd2 Ne3 15.Rfc1=) 13.Bc3+= Bc3 14.Nc3 0-0 15.Rfd1 (15.a5 Nd6+=) 15...a5 (15...a6 16.Ne4 Nd7 17.d4+=) 16.d4+= cd4 17.ed4 ed4 18.Nd4 Nd4 19.Qd4 Qd4 20.Rd4 Nd7 21.Rad1 Nc5 22.Bf3 Rab8 23.Rd6 (23.Bd5 Rfe8+=) 23...Kf7 (23...Bc4 24.R1d4 Bb3 25.Kf2=+) 24.Bd5 Bd5 25.R1d5 (25.R6d5 Rbc8=) 25...Rbc8= 26.Kf2 Rfe8 27.Kf3 Re7 28.g4 (28.Rd8!? Rd8 29.Rd8=) 28...Ne6–/+ 29.b6? (better 29.c5!? Rc5 30.Rc5 Nc5 31.Rd4–/+) 29...Rc4–+ 30.Ne4 Ra4 31.Rd7 Rb4 (better 31...Kf8 32.Re7 Ke7–+) 32.R5d6?? (32.Nd6 Kf8 33.Re7 Ke7 34.Nc8 Ke8 35.Nd6 Kd7 36.Nb7 Kc6 37.Rd6 Kb7 38.Re6–+) 32...Rb3 (better 32...Re4 33.h4 Rb4–+) 33.Kf2 Rb2 34.Kf3 (34.Rd2 Rd7 35.Rb2–+) 34...Rb3?? (34...a4 35.Rd3–+) 35.Kf2 Rb2?? (35...a4 36.Rd2–+) 36.Kg3?? (36.Kf3 a4 37.Rd3 Ng5 (37...Rb6?! 38.Nd6 Rd6 39.R3d6–+) 38.Ng5 fg5–+) 36...Rb3?? (better 36...Re2 37.Nd2 Ke8 38.Re7 Ke7–+) 37.Kh4?? (better 37.Kf2=) 37...Rb4 (37...g5 38.Ng5 fg5 39.Kh5 Rh3) 38.Nc3–+ White is in command 38...Rc4?? (better 38...g5 39.Kg3 Rb3 40.Re7 Ke7–+) 39.Nd5=+ Rd7 40.Rd7 Ke8 (40...Kf8 41.Rb7 h5 42.Kh5=) 41.Rb7 (better 41.Re7 Kd8 42.Re6+=) 41...Nd8?? (better 41...Rc5 42.Ra7 Rd5–/+) 42.Rg7+– Rc1 (42...Rc2 43.Nf6 Kf8 44.Ra7+– (44.Rh7?! Rh2 45.Kg5 Rh7 46.Nh7 Ke7+–)) 43.Rh7 Rb1 (43...Nf7 44.Nf6 Ke7 45.Ne4+–) 44.Nf6 Kf8 45.h3 (better 45.g5 Rb6 46.Rh8 Kf7 47.Rd8 Ra6+–) 45...Nf7? (better 45...Rb6 46.Rh8 Kg7 47.Rd8 Kf6+–) 46.Nd7 Kg8 (46...Ke8+–) 47.Rh5 Rb6 (47...Nd8 48.Ra5 Kf7+–) 48.Nb6 a4 49.Na4 Kg7 (49...Kf8 50.Nc5+–) 50.Rg5 (better 50.Rd5!? Nh6+–) 50...Ng5 51.Kg5 (51.Kg5 Kf7 52.Kh6+–) 1–0. RichardSommer (2145) – gripazo (2135), lichess.org, 2020.

6.Nd2 Bd6 7.c4 (7.Qh5 g6 8.Qf3 Qd7+=) 7...Ne7 8.e4 d4 9.g3 (9.Be2 0-0+=) 9...Nd7 (9...0-0 10.Bh3 Bd7 11.Bc1+=) 10.Bh3 Nf8 (10...Bh3 11.Qh5 g6 12.Qh3+=) 11.Be6 Ne6 12.Qg4 (12.Qh5 g6 13.Qh4 0-0+=) 12...Kf7 (12...Qd7 13.Qh5 g6 14.Qh4+=) 13.h4 (13.Ngf3 h5 14.Qh3 h4+=) 13...h5 (13...a6 14.ba6 Ra6 15.Qh5 Ng6 16.Ngf3+=) 14.Qe2 (14.Qf3 a6 15.ba6 Ra6=) 14...Bc7 (14...a6 15.ba6 ba6 16.Nh3=) 15.Nb3 (15.Ngf3 Ba5=) 15...a6+= 16.a4 Ba5 (16...Ng6 17.Qd2+=) 17.Kf1= Bb4 18.Kg2 Qd6 19.Nh3 (19.Nf3 Rhd8=) 19...g5 (19...g6 20.Rhf1+=) 20.hg5+= fg5 21.Ng1 (21.ba6 Qa6 22.a5 Rag8+=) 21...Kg6 (better is 21...h4!?–/+) 22.Bc1= Ng8 (22...Bc3 23.Ra2=) 23.Bd2 (23.Nf3 Bc3 24.Ra2 Nf6=) 23...Nf6 (23...Bd2 24.Qd2 h4 25.Kf1=) 24.Bb4 cb4 25.Qf3 (25.Rc1 b6=) 25...Ng7 (25...Kg7 26.Rc1=) 26.c5 (26.Rb1 h4=) 26...Qe6 27.Qd1 ab5 28.ab5 Ra1 29.Na1 Ra8 (29...Qa2 30.Ne2 Ng4 31.Nc2=) 30.Nf3 Ng4 (30...g4 31.Nd2=) 31.Nb3 Ra2 The backward pawn on f2 becomes a target (31...Ra3 32.Nfd2 Qf7=) 32.Nfd2 (better is 32.Nbd2!?=) 32...Qf7–/+ Threatening mate... how? 33.Qf3 Qd7 (better is 33...Ne3! 34.Kg1 Qf3 35.Nf3 Ng4–/+) 34.b6+= Qa4 (34...Rc2 35.Rc1 Rc3 36.Rb1+=) 35.Rc1+/– Qe8 (35...Qc6 36.Kg1+/–) 36.c6 (36.Kg1 Nf6+/–) 36...bc6+= 37.b7 Ra6 38.Nc5 Ra2 39.Nd7 (39.Nc4 Rf2 40.Qf2 Nf2 41.Kf2+–) 39...Qd7= 40.b8Q Rd2 41.Rf1 (41.Qb6 Rf2 42.Qf2 Nf2 43.Rc6 Kh7 44.Kf2 h4+/–) 41...Qe7 (better is 41...Ne3! 42.Kg1 g4+=) 42.Kg1+= Nf6 43.g4 (43.Rc1!? g4 44.Qg2+=) 43...hg4 (43...Ng4 44.Qb6+=) 44.Qg3= b3 45.Qge5 (45.Qb3? Ngh5 46.Qh2 Nf4–+) 45...Qe5 46.Qe5 Rd3 (46...Nfh5 47.Qd4 Nf4 48.Qd6 Nge6 49.Qc6 g3 50.Qe8 Kf6 51.Qh8 Ke7 52.Qh7 Kf8 53.fg3 Rg2 54.Kh1 Rg3+–) 47.Qd6+– Threatening e5 47...Kf7 (47...Nge8 48.Qc6 Rc3 49.Qb6+–) 48.Qc6 (48.Qc7 Kf8 49.Qc6 Rf3+–) 48...Ne6 49.e5 (49.Qb7 Kg6 50.e5 Nf4+–) 49...Rc3 50.Qb7 Rc7 51.Qb3 Ne4 (51...Nh5 52.Qb1 Nhg7 53.Kh2+–) 52.Qd3 N4c5 53.Qf5 Ke7 (53...Ke8 54.Rb1 Rf7 55.Qg6+– (55.Qg4?! Ke7+–)) 54.Rd1 (54.Rb1 Nd7 55.Ra1 Rc6+–) 54...Rd7? Black prepares d3 (54...Rb7 55.Rc1 d3 56.Qf6 Ke8 57.Qg6 Kd8 58.Rc5 Nc5 59.Qd6 Nd7 60.e6+– (60.Qd3?! Rb6+–)) 55.Qf6 (55.Qg4?! d3+–) 55...Ke8 56.Ra1 (better is 56.Rb1 Nd8 57.Rb8 Ncb7+–) 56...d3 (56...Rb7 57.Ra6! Na6 58.Qe6 Re7 59.Qa6 Re5 60.Qa4 Kf7 61.Qd4 Rf5+–) 57.Ra8 Nd8 (57...Rd8 58.Rd8 Nd8 59.Qg6 Nf7 60.Qc6 Ke7 61.Qc5 Ke6 62.Qc4 Ke7 63.Qg4 d2+–) 58.e6 1–0. Sochagin,Alexander (2220) – Ivanov,Mikhail I (2350), St Petersburg–chT, 2003.

5.Be2 Be6

6.a4 Bd6 7.d3 Nd7 8.Nd2 Ne7 9.c4 d4 10.ed4 ed4 11.Ne4 Qc7 12.Nf3 0-0 13.0-0 Bg4 14.Nd6 Qd6 15.Nh4 Be6 16.Nf3 Ne5 17.Ne5 fe5 18.Bf3 Rab8 19.Be4 Bf5 20.Qf3 Bg6 21.Qg4 Rf4 22.Qg3 Be4 23.de4 Ng6 24.Bc1 Re4 25.f3 Re2 26.Bg5 Rf8 27.Rae1 d3 28.h3 Qd4 29.Kh1 Qc4 30.Re2 de2 31.Re1 Qd3 32.Qf2 h6 33.Be3 b6 34.Qe2 Qe2 35.Re2 Rd8 36.a5 Rd1 37.Kh2 Kf7 38.ab6 ab6 39.Kg3 Rb1 40.Rd2 Ke7 41.h4 Rb3 42.Re2 Rb5 43.h5 Nf8 44.f4 ef4 45.Bf4 Kf7 46.Rf2 Ke6 47.Re2 Kd5 48.Re5 Kc4 49.Re8 Nd7 50.Rd8 Nf6 51.Rf8 Nh5 52.Kg4 Nf4 53.Kf4 Kb3 54.Rf7 g5 55.Kg4 c4 56.Rf3 c3 57.Kh5 Kb2 58.g4 c2 0–1. blaugrana18 – perseu2 (1655), internet, 2014.

6.d3 Qa5 7.Bc3 Qc7 (7...Qa4 8.d4 ed4 9.ed4=+) 8.Nd2 (8.Bg4 f5 9.Bh5 g6=+) 8...Bd6 (8...d4 9.Bb2=+) 9.h4 (9.Bg4 f5 10.Bh5 Kd8=+) 9...Ne7 10.g4 (10.Bh5!? Ng6 11.Ngf3–/+) 10...d4–+ 11.ed4 cd4 12.Bb2 Qa5 (12...Nd7 13.Bf3–+) 13.a4–/+ Bb4 14.g5 Nd5 15.gf6 gf6 16.Bh5 Ke7 17.Ne2 Rg8 18.Ba3 Qa4 (18...Ba3 19.Ra3 a6 20.ba6 Na6 21.Bf3–+) 19.Bb4 (better 19.c4!? Qd1 20.Kd1 Ba3 21.Ra3–/+) 19...Qb4–+ 20.Rb1 Qa5 21.Kf1 (21.Bf3 Kd8–+) 21...Nd7 (21...Nb4 22.Rg1 Rg1 23.Kg1–+) 22.Nc4 Qc7 23.Qc1 Rg7 24.Ng3 (24.Ke1 N7b6–+) 24...Nc5 (24...Nc3 25.Rb2–+) 25.Qa3 Nc3 26.Rb3 Kd7 27.Bf3 (27.Rc3 dc3 28.Qc3–+) 27...Nb3 28.Qb3 (28.cb3 Nb5 29.Qb4 Nc3–+) 28...Rc8 (28...e4!? 29.Ne4 Qf4 30.Qa3 Nb5 31.Nb6 ab6 32.Qa8 Qf3 33.Qb7 Kd8 34.Qg7 Qh1 35.Ke2 Qh4 36.Qf8 Kc7 37.Qe7 Bd7 38.Nf6 Nc3 39.Kf3 Qh3 40.Kf4 Qf5 41.Kg3–+) 29.b6 Bc4 30.dc4 Qc4 31.Qc4 Rc4 32.Nf5 Rg8 33.ba7 (33.Nh6 Rg6 34.Ng4 h5 35.ba7 Ra4–+ (35...hg4?! 36.a8Q gf3 37.Qb7 Kd6 38.Ke1=)) 33...Ra4 34.Bb7 (34.Ng3–+) 34…Ra1 0–1. Stankovski,Marin – Nikolova,Adriana, 1nd Bulgarian Open TETEVEN, 2006.

6.d4 cd4 7.ed4 Bb4 8.Nd2 Qc7 9.Bh5 g6 10.Be2 e4 11.a3 Bc3 12.Qc1 (12.Rb1 Ne7=) 12...Ne7 =+.

5.Be5? fe5

6.Qh5 Kd7 7.Qe5 Nf6 8.g3 Qe7 9.Qg5 (9.d4 Ke8-+) 9...h6 (9...Qe4 10.f3 Qc2 11.Nc3-+) 10.Qg6 b6 (10...Kc7 11.Bg2-+) 11.Bg2-/+ Bb7 12.c4 Kd6 (12...Kd8 13.cd5 Nd5 14.Qd3-/+) 13.Nc3 (13.cd5 Nbd7 14.Nc3 Qe8=+) 13...Nbd7 (better 13...dc4!? 14.Bb7 Qb7-+) 14.cd5=+ Ne5 15.Qf5 (15.Ne4 Kc7 16.d6 Qd6 17.Nd6 A) 17...Ng6 18.Nb7 (worse 18.Bb7 Bd6 19.Ba8 Ra8=) 18...Rb8 19.d4+/-; B) 17...Bg2-+) 15...Bc8 (15...c4!?-/+) 16.Qf4 g5?? (better 16...Kd7 17.Qf5 Ke8=+) 17.Qa4?? (better 17.Qf6! Qf6 18.Ne4 Ke7 19.d6 (19.Nf6 Kf6 20.h4 g4-/+) 19...Qd6 20.Nd6 Nd3 21.Ke2 Bg4 22.f3+-) 17...Bg7 18.Nge2 (18.Bf1 Bg4-/+ (18...Nd5 19.Nd5 Qf7 20.d4 Qd5 21.de5 Ke7 22.e4 Qe5 23.Rc1=+)) 18...Nd3-+ 19.Kf1 Bg4 (19...Re8 20.Kg1-+) 20.f3 (20.Nc1 Bf5 21.e4 Ne4 22.Ne4 Be4 23.Qe4 Qe4 24.Be4 Nf2 25.Kf2 Ba1-/+) 20...Rhf8 21.h3 (21.Kg1 Bd7-+) 21...Bf3 (better 21...Bf5!?-+) 22.Bf3-/+ Nd5 23.Kg2? (23.Ne4 Kc7 24.Kg2 Ba1 25.Ra1-/+) 23...Rf3 24.Kf3?? (24.Ne4 Kd7 25.Kf3=+) 24...Rf8-+ 25.Nf4 gf4 (25...Bc3 26.Ke2 N3f4 27.gf4 Bd2 28.Qa3 Be3 29.Qd3 Rf4 30.Raf1 Bg1 31.Kd1 Rf1 32.Qf1 Ne3 33.Ke2 Nf1 34.Kf1-+) 26.gf4?? (better 26.Ne4 Ke6 27.Raf1-+) 26...N5f4 (better 26...Bc3!? 27.Qe4 Ba1 28.Qe7 Ke7 29.Ra1-+) 27.Ne4 (27.ef4 Bc3 28.Qe4 Rf4 29.Qf4 Nf4 30.dc3-+) 27...Kc7 (better 27...Kd5 28.Raf1 Nb2 29.Nf6 Rf6 (29...Qf6?! 30.Qe4 Kd6 31.Qc6 Ke7 32.Qb7 Ke6 33.Qe4 Qe5 34.ef4-/+) 30.Qf4 Rf4 31.ef4 Qe4 32.Kg3 Nc4-+) 28.Qa7+- (28.ef4? Rf4 29.Kg2 a5-+ (29...Re4?! 30.Qa7 Kd6 31.Qb6 Kd5 32.Qc6 Kd4 33.Rhf1-+; worse 29...Qe4 30.Qe4 Re4 31.Raf1 Re2 32.Kf3-+)) 28...Kd8 29.Qb8?? (better 29.Qb6 Qc7 30.Qc7 Kc7 31.ef4 Ba1 32.Ra1 Nf4 33.a4+-) 29...Kd7= 30.Qb7 Ke8 31.Qe7 Ke7 32.ef4 Ba1 33.Ra1 Nf4 34.Kg4 h5 35.Kh4 Kd7 (35...Ke6 36.a4+=) 36.Rg1 (36.a4 Ke6+/-) 36...Rf7 (36...Ke6 37.Rg7+=) 37.Rg8 Re7 (37...Rf5!?+/-) 38.Nf6 Kc7 39.Nh5 (39.Rg5 Kd6+/-) 39...Rh7 (39...Nh5!? 40.Kh5 Rh7 41.Kg4 Rd7+/-) 40.Rg7+- Rg7 41.Ng7 (41.Nf4 Kd6-/+) 41...Kd6 42.Kg4 Ng6 (42...Nd5 43.h4+-) 43.h4 c4 44.h5 Nf8 45.Kf4 Kc5 46.Ke5 c3 (46...Nh7 47.Ne6 Kb5 48.Kf5+-) 47.dc3 Kc4 (47...Kb5 48.Ne6 Nh7 49.Kf5+-) 48.Ne6 Nh7 49.Nd4 (49.Kf5 Kd3 50.Kg6 Kc3 51.Kh7 Kc4+-) 49...Kc3 50.Kd5 (50.Ne6 Kc4+-) 50...Kb4 (50...Nf6 51.Kc6 Nh5 52.a4+-) 51.Kc6 Ka5 (51...Nf6 52.Kb6 Kc4 53.Kc6 Kd4 54.h6+-) 52.Nb3 (52.Nb3 Kb4 53.Kb6+-) 1-0. FERNANDO_2013 (1835) - geosaral (1855), Rated Classical game, lichess.org, 2018.

6.Qh5 Ke7 7.Qe5 Be6 8.Nc3 (8.Ne2 Nd7 9.Qg3 Ndf6 (9...Ngf6 10.Nbc3 Ke8 11.Nf4 Bf7 12.Bd3 g6–/+) 10.Nbc3 Kf7 11.Nf4 Qd6 12.Be2 Nh6–/+) 8...Nf6 9.f4 (9.Nf3 Nbd7 10.Qf4 h6 (10...Qb8–/+ 11.Qh4 Ne5 12.Be2 Ke8–+) 11.Bd3 g5 12.Qa4 Nb6–+; 9.Nge2 Nbd7 10.Qg3 Ke8 11.Nf4 Bf7 12.Bd3 g6–+) 9...Qd6 (9...Nbd7 10.Qg5–+ d4 11.ed4 cd4 12.Nce2 Qb6–+) 10.Qg5 (10.Qd6 Kd6 11.Nf3 g6 12.Rd1 Bg7–+) 10...h6 11.Qh4 Nbd7 (11...Kd8 12.Nf3 Be7–+) 12.Nf3 Bf5 (12...Kd8 13.Bd3–+) 13.d3 (13.Bd3 Bd3 14.cd3 Ke8–/+) 13...Kf7 (13...Ke8!? 14.Qg3–+) 14.e4–/+ de4 (14...Qe6!? 15.Ng5 hg5 16.Qh8 de4–+) 15.de4+= Qe6 16.0-0-0 Bh7 (16...Ne4 17.Ne4 Qe4 (17...Qa2 18.Rd7 Ke6 19.Ne5 Be4 20.Bc4 Qc4 21.Nc4 Kd7 22.Qg4 Kc7 23.Rd1+–) 18.Rd7 Be7 (worse is 18...Bd7 19.Bc4 Be6 20.Ne5 Ke8 21.Be6+/–) 19.Ne5 Kg8+=) 17.f5+– Qe7 18.Bc4 Ke8 ½–½. Kleinke,Uwe – Struensee, corr, 1979.

6.Qh5 Ke7 7.Qe5 Kf7 8.Nf3 Be7 (8...Nf6 9.Qg5–+) 9.Qf4 (9.d4 c4–/+) 9...Nf6 10.Ng5 (10.Ne5 Ke8–+) 10...Kg8–+ 11.Nc3 (11.Bd3 Bd6 12.Qh4 Qe8–+) 11...Bd6 12.Qa4 Nbd7 13.Qb3 Nb6 Black prepares c4 14.a4 (14.Be2 c4 15.Qb2 Qe8–+) 14...c4 15.Qb2 a5 16.Be2 (16.Nf3 Kf7–+) 16...Ng4 (16...Qe8 17.0-0–+) 17.f4 h6 18.Nf3 Kh7 19.h3 (19.0-0 Rf8–+) 19...Nf6 20.0-0 Re8 21.Rfe1 (21.Nd4 Bb4–+) 21...Bf5 (21...Bc5 22.Kh1–+) 22.Bf1 (22.Nd4 Qd7–+) 22...Ne4 (22...Qd7 23.Be2–+) 23.Ne4 (23.Nd4 Qf6 24.Nf5 Qf5 25.Ne4 de4–+) 23...Be4 24.Nd4 (24.Ne5 Qc7–+) 24...Qh4 25.d3 Bg6 (25...Na4 26.Qc1 Bb4 27.Rd1–+) 26.dc4 (26.Nf3 Qe7–+) 26...Qg3 (26...dc4 27.Nf3 Qf6 28.Qf6 gf6 29.c3–+) 27.cd5 (27.Qc1 dc4 28.Qd2 Rad8–+) 27...Re3 (27...Nd5 28.Qb3 Ne3 29.Ne6 Re6 30.Qe6 Bf4 31.Qe7–+) 28.Ne6 Rc3 29.Bd3 Nd5 30.Bg6 Kg6 31.Rad1 (31.Qa2 Nf4 32.Nf4 Qf4 33.Qe6 Kh7 34.Qe4 Qe4 35.Re4 Rc2 36.Rd1–+) 31...Bf4 (31...Bf4 32.Qc3 Nc3 33.Nf4 Qf4–+) 0–1. jaddwarrior (1950) – XavierTB (1920), ChessWorld.net, 2013.

5.Nf3 Bd6

6.c4 d4 7.a4 Ne7 8.d3 0-0 9.e4 f5 10.Nbd2 Nd7 11.Qb3 Nf6 12.0-0-0 fe4 13.Ne4 Ne4 14.de4 Bg4 15.Be2 Ng6 16.h3 Bd7 17.g3 b6 18.Kb1 Kh8 19.Bc1 a6 20.Bg5 Qc7 21.h4 ab5 22.cb5 Ra7 23.Rd2 Rfa8 24.Ra2 Nf8 25.Bc4 Be8 26.Bd5 Bf7 27.h5 c4 28.Qc2 Bd5 29.ed5 d3 30.Qd1 Qc5 31.h6 Ra4 32.hg7 Kg7 33.Ra4 Qb5 34.Kc1 Ra4 35.Bh6 Kg8 36.Kd2 Ra2 37.Ke3 Re2 0–1. fakejake – adamshahu (1730), internet, 2014.

6.c4 Ne7 7.a4 (7.cd5 Nd5 8.Nc3 Nb6=) 7...d4 8.ed4 ed4 9.Bd3 Bf5 10.Qc2 Qd7 11.0-0 0-0 12.Bf5 Qf5 13.d3 Nd7 14.Nbd2 Ng6 15.Ne4 Bc7 16.Bc1 Rae8 17.Bd2 Nde5 18.Ne5 Be5 19.Nc5 Bh2 20.Kh2 Qc5 21.Rfe1 Qh5 22.Kg1 Ne5 23.Bf4 Ng4 (23...Qf5 24.Bg3=) 24.Re8 Re8 25.Qd2 Qh4 (better is 25...a6!?=) 26.Bg3 Qg5 27.f3?? (better is 27.Qg5 fg5 28.c5+/–) 27…Qd2–+ 0–1. OPA – Laksman4, Live Game Caissa's Web, 2004.

6.d4 cd4 7.ed4 e4 8.Nfd2 f5 9.c4 Nf6 10.Qb3 Be6 11.cd5 Bd5 (11...Bf7 12.Nc3 Nbd7 13.Nc4=) 12.Bc4+= Be7 13.Nc3 Bc4 14.Nc4 (14.Qc4?! Nbd7 15.Qe6 g6+=) 14...Qd4?? (better 14...Nbd7+–) 15.Rd1+– Qc5 (15...Qd1 16.Qd1 Nbd7 17.Nd5+–) 16.Ba3 Qc7 (16...Nbd7 17.Bc5 Nc5 18.Qc2+–) 17.Nd6 Bd6 18.Rd6 Nbd7 19.Qe6 (better 19.b6!? ab6 20.Nb5 0-0-0 21.Nc7 Kc7+–) 19...Kd8 20.Nd5 Nd5 (20...Qa5 21.Bb4 Qb5+–) 21.Rd5 (21.Qd5?! Qc3 22.Kd1 Qd3 23.Qd3 ed3 24.Rd3 Re8+=) 21...Re8 22.Qf5 e3 (22...Kc8 23.0-0 Re5 24.Re5 Qe5 25.Rc1 Qc7 26.Qe6 Qc1 27.Bc1+–) 23.fe3 Re3 (23...g6 24.Qg5 Kc8+–) 24.Kf2 Re8 (24...Ra3?? 25.Qf8) 25.Rhd1 Qb6 (25...Re2 26.Kf1 Rf2 27.Kf2 Qc2 28.Qc2 a6 29.Rd7 Ke8 30.Qe4) 26.Bc5 Qf6 (26...Re2 27.Ke2 Qb5 28.Ke3 Qb3 29.ab3 Kc8 30.Rd7 Kb8 31.Qf8) 27.Rd7 (27.Rd7 Kc8 28.Rd8 Kc7 29.R1d7) 1–0. zuri9 (2305) – chessus11 (1625), gameknot.com, 2018.

5.Nf3 Ne7

6.Na3 Qa5 7.Be2 c4 8.Qc1 Ng6 9.h4 h5 10.Nb1 Qb5 11.Ba3 Qa5 12.Bf8 Rf8 13.Nc3 Nc6 14.Rb1 a6 15.Qb2 Nge7 16.Qb6 Bf5 17.Nh2 Bc2 –+.

6.Nc3 e4 7.Nh4 Be6 8.Ne2 (better is 8.Be2=) 8...g5 –+.

6.d3 Ng6 7.a4 Bd7 (7...Bd6 8.c4 Be6 9.cd5 Bd5 10.Nc3=) 8.c3 (8.c4 Be6=) 8...Bd6=+ 9.Qc2 0-0 10.h4 (10.Be2 a6 11.c4 d4=) 10...Ne7 11.Nbd2 d4 (better 11...a6!?=+) 12.Qb3 Kh8 13.cd4 cd4 14.ed4 ed4 15.Bd4 (15.Be2 Nf5+=) 15...Ng6 (15...Nf5 16.Bb2=) 16.Ne4 Bf4 (16...Bg4 17.h5 Nf4 18.Nfd2+=) 17.Qb2 Re8 18.Rd1 (18.Be2 Ne5+/-) 18...Bf5 (better 18...f5!? 19.Bg7 Kg8=+) 19.Be2+= Be4 (19...Nd7 20.0-0+=) 20.de4+/- Re4 21.h5 Ne5? (better 21...Nf8+/-) 22.Be5+- Be5 (22...Qe8 23.Bf4 Rf4+-) 23.Rd8 1-0. ClayPigeons (2190) - talkinjitsu (2105), Rated Bullet game, lichess.org, 2021.

5.f4 e4

6.c4 d4 7.ed4 cd4 8.Qh5 g6 9.Qd5 Qd5 10.cd5 Bc5 11.Ne2 d3 (better 11...Ne7!? 12.Bd4 Bd4 13.Nd4 Nd5+=) 12.Ng3+– f5?? (better 12...Bf5 13.Nc3 Bd4+–) 13.Bh8+– Ne7 14.Nc3 b6 (14...Nd7 15.Rc1 Ba3 16.Ra1+–) 15.Be5 Bb7 16.Nge4! fe4 17.Ne4 Nd5 (17...Nd7 18.Bd3 Bd5 19.Rf1+–) 18.Bd3 (18.Nc5 bc5 19.Bd3 Nb4+–) 18...Nb4 (18...Nd7 19.Nd6 Bd6 20.Bd6+–) 19.Bb1 Nd7 20.Nd6 White prepares f5 20...Bd6 21.Bd6 Nd5 (21...Nc5 22.Bc5 bc5 23.f5+–) 22.0-0 N7f6 23.f5 g5 24.Re1 Kd7 (24...Kf7 25.Bd3 Rd8 26.Ba3+–) 25.Ba3 Re8 (25...a6 26.Bd3 ab5 27.Bb5 Kd8 28.Bb2+–) 26.Bc2 (26.Bd3 Bc8+–) 26...Re1 (26...Rc8 27.Bd3+–) 27.Re1 a6 (27...Kd8 28.Bb3 Nd7 29.Bd5 Bd5 30.Be7 Ke8 31.Bg5 Kf8 32.Re7+–) 28.ba6 Ba6 29.Ba4 b5 (29...Kc7 30.Re6 b5 31.Ra6 ba4 32.Bb2+–) 30.Re6 ba4 31.Ra6 Ne4 (31...h5 32.Bb2 Ke7 33.Ra4+–) 32.Ra4 Nd2 (32...Nef6+–) 33.Rd4 Kc6 34.Rd2 Nf6 35.Rd6 (35.Rd6 Kc7 36.Rf6 Kd8 37.Ra6 g4 38.f6 Kc7 39.f7 g3 40.Rh6 gh2 41.Kh2 Kb7 42.f8Q Kc7 43.Rh7 Kb6 44.Qc5 Ka6 45.Ra7) 1–0. DEFFM – GuestDQMM, freechess.org, 2020.

6.Be2 Nh6 7.d3 Nf5 8.de4 Ne3 9.Bh5 g6 10.Qe2 d4 (10...gh5?! 11.Qe3 d4 12.Qd2=) 11.Bf3 a6 (11...Bd6 12.g3–/+) 12.c3 ab5 13.cd4 cd4 14.Qb5 (14.Qd3 Nc6 15.Kf2 Nc4–+) 14...Nc6 15.Qb3 (15.Qe2!?–/+) 15...d3 –+.

5.Nh3 Ne7

6.Nc3 Nd7 7.d4 cd4 8.ed4 Qa5 9.de5 fe5 10.Ng5 d4 11.Bc4 Nf5 12.Qf3 (12.Bf7 Ke7 13.Qf3 Nd6–+ (< 13...dc3 14.Bc3 Qa3 15.Bb3–/+)) 12...Nd6 13.Ba3? (better is 13.0-0 Nf6 14.Be2 dc3 15.Bc3–+) 13...Qc3 (13...Qa3 14.Bf7 Kd8 15.Ne6 Ke7 16.Nd5) 14.Qc3 dc3 15.Bd6 Bd6 16.Nf7 Nb6 17.Bb3 Rf8 (17...Ke7 18.Nh8 (18.Nd6?? Kd6 19.0-0-0 Kc5–+) 18...Be6 19.Ng6 hg6 20.Rd1–+) 18.Nd6= Ke7 19.Rd1 (19.Ne4 Bf5 20.Nc3 Rac8=+) 19...Rd8 (better is 19...Bg4!? 20.f3 Rad8=+) 20.Ne4 +=.

6.Nc3 Bf5 7.g4 Bg6 8.Bg2 a6 9.d4 cd4 10.ed4 e4 11.f3 e3 12.Qe2 ab5 13.0-0 Nbc6 14.Nb5 Qb6 15.a4 Na5 16.Nf4 Rc8 17.c3 Bf7 18.Rae1 Nc4 =.

5.a4 Bd6

6.Ne2 Ne7 7.a5 A) 7...0-0 8.c4 (8.Nec3 Be6 9.Be2 Bc7 10.a6 ba6 11.ba6 Nbc6 12.0-0 Rb8 13.Nb5+=; 8.Nbc3 Bg4 9.f3 Be6 10.Kf2 a6 11.b6 Nbc6 12.f4 c4 13.Ba3–/+) 8...Be6 9.Nec3 Rf7 10.cd5 Nd5 11.Qb3 Nf4 12.Qc2 Ng6 13.Ne4=; B) 7...Bg4 8.c4 (8.Nbc3 0-0 9.h3 Be6 10.Ng3 f5 11.Qh5 a6 12.b6 Nbc6 13.Nd1–/+; 8.f3 Be6 9.Nbc3 0-0 10.Kf2 Qd7 11.Rb1 a6 12.Na4 Nc8 13.Ba3–/+; 8.h3 Be6 9.Nec3 0-0 10.Qh5 c4 11.Ba3 Ba3 12.Ra3 a6 13.b6+=; 8.d4 cd4 9.ed4 0-0 10.Nbc3 Be6 11.Ba3 Ba3 12.Ra3 a6 13.Qd2–/+; 8.Ra4 Qd7 9.Nbc3 0-0 10.h3 Be6 11.d4 cd4 12.ed4 a6 13.Ng3–/+) 8...dc4 9.Qa4 Bf5 10.Nbc3 Nd7 11.Qc4 Bg6 12.Ne4 Bc7 13.a6= ; C) 7...Be6 8.Nc1 (8.Nbc3 0-0 9.Ng3 Bc7 10.a6 ba6 11.ba6 Ba5 12.e4 d4 13.Na4+=; 8.Nec3 0-0 9.Be2 Bc7 10.a6 ba6 11.ba6 Nbc6 12.0-0 Rb8 13.Nb5+=; 8.Ng3 0-0 9.Be2 Bc7 10.a6 ba6 11.ba6 Nbc6 12.Nc3 c4 13.0-0–/+; 8.f4 0-0 9.Nbc3 Bc7 10.a6 ba6 11.ba6 Bc8 12.fe5 fe5 13.Ng3–/+; 8.Ra4 0-0 9.Nbc3 a6 10.b6 Nbc6 11.Ng3 f5 12.Be2 d4 13.Nb1–+ ) 8...0-0 9.Be2 Qe8 10.0-0 Qg6 11.Bh5 Qh6 12.d3 f5 13.Nd2+=; D) 7...Bc7 8.Bc3 (8.f4 0-0 9.fe5 fe5 10.e4 d4 11.Ng3 Ba5 12.Bc4 Kh8 13.Rf1–/+; 8.b6 Bd6 9.ba7 Ra7 10.Nec3 Nbc6 11.Qh5 Kf8 12.Nb5 Ra5 13.Ra5+=; 8.Ba3 Nd7 9.Nec3 Ba5 10.Qg4 Kf8 11.Be2 f5 12.Qg3 a6 13.0-0+=; 8.Nec3 Ba5 9.Qh5 g6 10.Qf3 Rf8 11.Be2 h5 12.h3 e4 13.Qg3–/+) 8...d4 9.ed4 cd4 10.Bb4 Nd5 11.Bc5 Nd7 12.Ba3 d3 13.Nec3+=.

6.Ne2 Ne7 7.Nbc3 A) 7...0-0 8.g3 (8.Nc1 Rf7 9.Be2 Bf5 10.0-0 d4 11.Nb1 Be6 12.f4 Qc7 13.a5+=; 8.a5 Be6 9.f4 Bc7 10.a6 ba6 11.ba6 Bc8 12.fe5 fe5 13.Ng3–/+; 8.Ng3 f5 9.a5 Bc7 10.Nce2 Bd7 11.a6 ba6 12.ba6 f4 13.ef4–/+) 8...Nd7 9.Bg2 Nb6 10.d3 d4 11.Ne4 Nbd5 12.c4 dc3 13.N2c3=; B) 7...Bg4 8.h3 (8.f3 Be6 9.a5 0-0 10.Kf2 Qd7 11.Ng3 f5 12.Be2 d4 13.ed4–/+; 8.d4 ed4 9.ed4 c4 10.h3 Be6 11.Bc1 0-0 12.Nf4 Bf7 13.Qg4+=; 8.a5 0-0 9.f3 Be6 10.Kf2 a6 11.b6 Nbc6 12.Ra4 Qe8 13.Ng3–/+; 8.Qb1 Be6 9.a5 0-0 10.Ra4 Qd7 11.Ng3 a6 12.Ra1 c4 13.Bc1–/+; 8.Ra2 Be6 9.Ra1 0-0 10.Ng3 f5 11.Qh5 d4 12.Nd1 Nd7 13.a5–/+) 8...Be6 9.Ng3 0-0 10.Be2 Qa5 11.0-0 f5 12.Qe1 Nd7 13.d4+= ; C) 7...Be6 8.Ng3 0-0 9.Be2 Qa5 10.0-0 f5 11.Re1 Nd7 12.Bf3 e4 13.Be2–/+.

6.Ne2 Ne7 7.Nec3 A) 7...Bf5 8.Qf3 (8.e4 de4 9.Qe2 Be6 10.Ne4 0-0 11.Nd6 Qd6 12.Nc3 Nf5 13.Qe4+=; 8.Be2 d4 9.Na2 Qa5 10.Nc1 Nd7 11.0-0 0-0-0 12.Na3 Nb6 13.Nb3+=; 8.Qh5 Bg6 9.Qf3 e4 10.Qg4 Nd7 11.Be2 Be5 12.0-0 d4 13.Nd1+=; 8.a5 d4 9.Na4 Be6 10.Qh5 Bf7 11.Qf3 Bd5 12.e4 Be6 13.Na3+=; 8.f3 0-0 9.e4 Be6 10.ed5 Nd5 11.Bc4 Nf4 12.Be6 Ne6 13.0-0+= ) 8...e4 9.Qh5 Bg6 10.Qh4 0-0 11.Be2 Be5 12.0-0 Qd7 13.a5=; B) 7...Be6 8.Qh5 (8.Bd3 0-0 9.0-0 c4 10.Be2 a6 11.Ba3 ab5 12.Bd6 Qd6 13.Nb5+=; 8.Be2 0-0 9.0-0 Qa5 10.d3 Nd7 11.Nd2 Rad8 12.Nb3 Qc7 13.a5+=; 8.Qf3 0-0 9.Be2 e4 10.Ne4 de4 11.Qe4 Bd5 12.Bc4 Bc4 13.Qc4–/+; 8.Na3 0-0 9.Be2 Nd7 10.0-0 Qc7 11.Re1 Rad8 12.h3 f5 13.a5+=; 8.a5 0-0 9.Be2 Bc7 10.a6 ba6 11.ba6 Nbc6 12.0-0 Rb8 13.Nb5+= ) 8...g6 9.Qd1 Bf5 10.e4 de4 11.Qe2 e3 12.de3 h6 13.Qf3=; C) 7...0-0 8.e4 Be6 9.ed5 Nd5 10.Bc4 Nf4 11.Be6 Ne6 12.0-0 Nd4 13.Re1=.

6.Ne2 Ne7 7.Ng3 A) 7...Be6 8.Qh5 (8.Nc3 0-0 9.Be2 f5 10.0-0 Qa5 11.Re1 Nd7 12.Bf3 e4 13.Be2–/+; 8.Be2 0-0 9.0-0 a6 10.Nc3 b6 11.f4 ef4 12.ef4 c4 13.Bg4+=; 8.Bd3 c4 9.Be2 0-0 10.0-0 a6 11.Nc3 Qa5 12.f4 ef4 13.ef4+=) 8...Bf7 9.Qg4 0-0 10.Bd3 a6 11.Nc3 e4 12.Be2 Nd7 13.0-0+=; B) 7...0-0 8.Be2 (8.Nc3 f5 9.a5 Bc7 10.Na4 Nd7 11.b6 Bd6 12.Bb5 ab6 13.Bd7–/+) 8...a6 9.0-0 b6 10.Nc3 Be6 11.f4 ef4 12.ef4 c4 13.Bg4+=.

6.Ne2 Nh6 A) 7.d4 A1) 7...cd4 8.ed4 0-0 9.de5 Be5 10.Nd4 Nf5 11.Be2 Qa5 12.Bc3 Qc7 13.Qd3+=; A2) 7...Be6 8.dc5 (8.Nbc3 cd4 9.ed4 0-0 10.Qd2 Qa5 11.Rd1 Bb4 12.Ba1 Nd7 13.f4–/+; 8.de5 Be5 9.Nbc3 0-0 10.f4 Bc7 11.Qd3 Ba5 12.Rd1 Re8 13.Ba3+=) 8...Bc5 9.Ng3 0-0 10.Bd3 Bb4 11.c3 Bd6 12.e4 Bc5 13.Qc2=; A3) 7...0-0 8.dc5 (8.Nbc3 cd4 9.ed4 Bb4 10.Ba3 Ba3 11.Ra3 Be6 12.a5 a6 13.Qd2–/+) 8...Bc5 9.Ba3 Ba3 10.Ra3 Be6 11.Rd3 Nd7 12.Nbc3 Nb6 13.Ng3+=; B) 7.Nec3 B1) 7...Be6 8.Qh5 (8.Be2 0-0 9.0-0 f5 10.a5 a6 11.b6 d4 12.Na4 Nc6 13.f4+=; 8.Bd3 0-0 9.Be2 f5 10.d4 cd4 11.ed4 Qh4 12.de5 Be5 13.Qd3–/+; 8.e4 d4 9.Nd5 f5 10.Bc4 fe4 11.Nc7 Bc7 12.Be6 Qg5 13.0-0=; 8.a5 0-0 9.Qf3 Nf7 10.Be2 a6 11.b6 Ng5 12.Qh5 f5 13.h4+=; 8.Na3 0-0 9.Be2 Nd7 10.0-0 f5 11.Qe1 Qc7 12.f3 Nf6 13.Qh4+=) 8...Bf7 9.Qh3 f5 10.Be2 d4 11.Nd1 Qf6 12.0-0 Nd7 13.Na3=; B2) 7...Bg4 8.Be2 Be6 9.a5 0-0 10.0-0 f5 11.a6 ba6 12.ba6 Nc6 13.Na3+=.

6.Qh5 Kf8 7.Qf3 (7.Nc3 Be6=) 7...Be6 8.c4 e4 9.Qd1 Ne7 10.Nc3 Nd7 11.cd5 Bd5 12.Nd5 Nd5 13.f4 Qc7 14.Nh3 Nb4 15.a5 Ke7? (better is 15...c4=) 16.Qb1+– Rae8 17.Qe4 Kd8 18.Qc4 g5 19.g3 gf4 20.gf4 Re7 21.Rg1 Rhe8 22.Kd1 Re4 1–0. capablancaven (2295) – ranarana (1665), gameknot.com, 2013.

6.Ne2 Be6

7.Nec3 A) 7...Nh6 8.e4 (8.Qh5 Bf7 9.Qh4 0-0 10.Be2 d4 11.Nd1 Qd7 12.0-0 a6 13.Re1+=; 8.Bd3 0-0 9.Be2 f5 10.d4 cd4 11.ed4 Qh4 12.de5 Be5 13.Qd3–/+; 8.Be2 0-0 9.0-0 f5 10.a5 a6 11.b6 d4 12.Na4 Nc6 13.f4+=; 8.Na3 0-0 9.Be2 f5 10.0-0 Nd7 11.Qe1 Qc7 12.f3 Nf6 13.Qh4+=; 8.a5 0-0 9.Qf3 Nf7 10.Be2 a6 11.b6 Ng5 12.Qh5 f5 13.h4+=) 8...d4 9.Nd5 f5 10.Bc4 fe4 11.Nc7 Bc7 12.Be6 Qg5 13.0-0=; B) 7...Ne7 8.Qh5 (8.Bd3 0-0 9.0-0 c4 10.Be2 a6 11.Ba3 ab5 12.ab5 Nd7 13.d3+=; 8.Na3 0-0 9.Be2 Nd7 10.0-0 Qc7 11.Re1 Rad8 12.h3 f5 13.a5+=; 8.Be2 0-0 9.0-0 Qa5 10.d3 Nd7 11.Nd2 Rad8 12.Nb3 Qc7 13.a5+=; 8.a5 0-0 9.Be2 Bc7 10.a6 ba6 11.ba6 Nbc6 12.0-0 Rb8 13.Nb5+=; 8.Qf3 0-0 9.Be2 e4 10.Ne4 de4 11.Qe4 Bd5 12.Bc4 Bc4 13.Qc4–/+) 8...g6 9.Qd1 Bf5 10.e4 de4 11.Qe2 e3 12.de3 h6 13.Qf3=; C) 7...Qa5 8.Qh5 g6 9.Qf3 Qb4 10.Ba3 e4 11.Qd1 Qa5 12.d4 ed3 13.Bd3+=; D) 7...Qd7 8.Be2 (8.a5 Ne7 9.Be2 0-0 10.0-0 a6 11.Na4 Nc8 12.b6 Nc6 13.Nac3+=) 8...Ne7 9.0-0 0-0 10.a5 c4 11.Ba3 Nf5 12.Bg4 d4 13.a6=; E) 7...Nd7 8.a5 (8.Be2 Ne7 9.a5 0-0 10.0-0 Qc7 11.a6 b6 12.h3 Rad8 13.Na3+=) 8...Ne7 9.Be2 0-0 10.0-0 Qc7 11.a6 b6 12.h3 Rad8 13.Na3+=.

7.c4!? A) 7...dc4 8.Na3 (8.Nec3 Qd7 9.Na3 Ne7 10.Bc4 f5 11.d3 0-0 12.Be6 Qe6 13.Qf3=; 8.Qc2 a6 9.Na3 Ne7 10.Nc4 ab5 11.ab5 Ra1 12.Ba1 Nd5 13.Nd6+=; 8.Nc1 Ne7 9.Qc2 Nd7 10.Bc4 Bc4 11.Qc4 Nb6 12.Qg4 0-0 13.Qe6=) 8...Nh6 9.Nc3 Bg4 10.f3 Be6 11.Bc4 Qd7 12.Ne4 0-0 13.Rc1+=; B) 7...Ne7 8.Ng3 (8.Nec3 d4 9.Ne4 0-0 10.Be2 f5 11.Nd6 Qd6 12.d3 f4 13.Bf3=; 8.cd5 Nd5 9.Nec3 Nb4 10.Be2 0-0 11.0-0 a6 12.Na3 ab5 13.ab5+=) 8...0-0 9.cd5 Nd5 10.Bc4 Nc7 11.d3 f5 12.Nd2 Nd7 13.Qf3=; C) 7...d4 8.Ng3 (8.Na3+= Ne7 9.Ng3 de3 10.fe3 0-0 11.Be2 f5 12.0-0 Ng6 13.d3=) 8...f5 9.ed4 cd4 10.Qh5 g6 11.Qe2 Bc7 12.a5 Qd7 13.b6=.

7.d4 Qc7 8.dc5 (8.a5 cd4 9.ed4 Ne7 10.de5 fe5 11.f4 0-0 12.fe5 Bb4 13.Bc3+=; 8.Nd2 cd4 9.ed4 Ne7 10.de5 fe5 11.f4 0-0 12.fe5 Be5 13.Be5+=; 8.de5 fe5 9.e4 d4 10.Ng3 Nf6 11.Nf5 0-0 12.Nd6 Qd6 13.Nd2–/+) 8...Bc5 9.Ng3 Bb4 10.c3 Bc5 11.Bd3 Ne7 12.0-0 0-0 13.Nd2 +=.

7.d4 cd4–/+ 8.ed4 e4 (8...Qc7 9.a5 Ne7 10.de5 fe5 11.f4 0-0 12.fe5 Bb4 13.Bc3+=) 9.Ng3 (9.Qd2 Nd7 10.Ba3 Nb6 11.Bd6 Nc4 12.Qb4 Nd6 13.Nf4=) 9...f5 (9...Ne7 10.Ba3 0-0 11.Bd6 Qd6 12.c4 dc4 13.Ne4+=) 10.Be2 (10.c4 A) 10...dc4 11.d5 f4 (11...Bb4 12.Bc3 Bc3 13.Nc3+=) 12.de6 Bb4 13.Nc3+–; B) 10...Ne7 11.Nc3 (11.c5 Bc7 12.Qh5 g6 13.Qg5=) 11...0-0+= (11...Bg3 12.hg3 dc4 13.d5=) 12.cd5 Bf7 13.Qb3=; C) 10...Nf6 11.c5 Bc7 12.Bc1 0-0 13.Ne2+=; 10.Nh5 Qg5 11.Bc1 Qe7 12.Bf4 Bf4 13.Nf4=) 10...Nf6 (10...f4 11.Ne4 de4 12.d5 Qa5 13.Qd2+=) 11.Nd2? (11.c4 A) 11...0-0 A1) 12.Nc3 A11) 12...f4 13.cd5 Bd5–/+ (13...fg3?! 14.de6 gf2 15.Kf1+=); A12) 12...dc4 13.d5–/+; A2) 12.c5 Bc7 13.0-0+=; B) 11...dc4 12.Nd2 Bb4 13.Rc1–/+; 11.Nh5 0-0 12.Nf6 Rf6 13.Ba3+=) 11...Qc7?? (11...f4 12.Nh5 0-0 13.Ba3–+) 12.Ngf1? (better is 12.Rc1!?+=) 12...f4 13.Ba3 (better is 13.Rc1!? 0-0 14.c4–+) 13...Ba3 14.Ra3 Nbd7 15.Qa1 Rc8 (15...Qc2?? 16.Rc3 Qc3 17.Qc3+–) 16.Bd1 0-0 17.f3 (17.Qb2–+) 17...Rfe8 18.fe4 de4 19.Nb1 Nd5 (19...Qa5 20.c3 e3 21.Bf3–+) 20.g3 (20.Nfd2 N7f6 21.0-0 Ne3–+) 20...N7b6 21.gf4 (21.a5 Nc4 22.Nbd2 Na3 23.Qa3 Nc3–+) 21...Qf4 22.Rg3 (22.c3–+) 22...Rf8 23.Be2 Qc1 24.Bd1 Rf1! 25.Rf1 (25.Kf1 Qd1 Mate attack; 25.Rf1 Ne3 Double attack (25...Ne3 Decoy)) 25...Rc2 (better is 25...Ne3 26.Re3 Qe3 27.Be2 Rc2 28.Rf8 Kf8 29.Qa3 Qa3 30.Na3 Ra2–+) 26.Qa3+= Qa3 27.Na3 Rh2 28.a5 Nd7 29.Rfg1 Nb4 (better is 29...g6!?+=) 30.Rg7+= Kh8 31.R1g2 (31.Be2 Nd3 32.Kd1 Nf2 33.Kd2 Nh3+/–) 31...Nd3 (better is 31...Rh1!? 32.Ke2 Nd5=) 32.Kd2+/– Rh3? (32...Nf6 33.Rg8 Bg8 34.Rh2+/–) 33.R2g3?? (better is 33.Re7 Nf6 34.Re6+–) 33...Rh4?? (better is 33...Nf6+/–) 34.d5!+– Bf5 (34...Bd5 35.Rd7 Deflection) 35.Rg8 1–0. Ilyashyk,Semen – Andrusenko,Pavel, New Years All–Ukrainian Open, Poltava U, 2009.

7.d4 Ne7 8.dc5 Bc5 9.Ng3 0-0 10.Bd3 Bb4 11.Bc3 Bc3 12.Nc3 Qc7 13.Ra3 +=.

7.d4 Nh6 8.dc5 (8.Nbc3 cd4 9.ed4 0-0 10.Qd2 Qa5 11.Rd1 Bb4 12.Ra1 Nd7 13.Ba3–/+; 8.de5 Be5 9.Nbc3 0-0 10.f4 Bc7 11.Qd3 Ba5 12.Rd1 Re8 13.Ba3+=) 8...Bc5 9.Nec3 Bb4 10.Ba3 Ba3 11.Ra3 0-0 12.Bd3 Nd7 13.0-0 +=.

7.Ng3 A) 7...Nh6 8.e4 (8.Nc3 0-0 9.Be2 f5 10.0-0 Qh4 11.Re1 f4 12.ef4 Rf4 13.Bf3+=; 8.Be2 0-0 9.0-0 a6 10.Nc3 f5 11.d4 cd4 12.ed4 e4 13.Re1+=; 8.Qh5 Bf7 9.Qh4 Bg6 10.Bd3 Bd3 11.cd3 0-0 12.Nc3 Be7 13.0-0+=) 8...de4 9.Ne4 0-0 10.Be2 Be7 11.0-0 f5 12.Ng3 Nd7 13.Nc3=; B) 7...Nd7 8.e4 (8.Be2 Ne7 9.0-0 0-0 10.a5 Qc7 11.a6 ba6 12.Ra6 Nb8 13.Ra2+=; 8.Nc3 Ne7 9.a5 0-0 10.Be2 f5 11.0-0 d4 12.Nb1 a6 13.b6+=; 8.a5 Ne7 9.Be2 0-0 10.0-0 a6 11.b6 Rc8 12.f4 ef4 13.ef4=; 8.Qh5 g6 9.Qf3 Ne7 10.a5 h5 11.e4 Bg4 12.Qe3 h4 13.Ne2+=; 8.Bd3 Ne7 9.0-0 0-0 10.a5 c4 11.Be2 Nc5 12.d3 cd3 13.cd3+=) 8...Ne7 9.ed5 Nd5 10.Bd3 0-0 11.Nf5 N7b6 12.a5 Nc8 13.Be4=; C) 7...a6 8.Qh5 (8.e4 Ne7 9.ed5 Nd5 10.Bc4 ab5 11.Bb5 Nc6 12.Bc6 bc6 13.Ne4+=; 8.Nc3 Ne7 9.ba6 ba6 10.Qh5 Bf7 11.Qg4 0-0 12.Be2 Qd7 13.0-0+=; 8.ba6 ba6 9.Nc3 Nc6 10.Rb1 Nge7 11.Be2 0-0 12.0-0 f5 13.Na2–/+; 8.Be2 Ne7 9.0-0 0-0 10.Nc3 b6 11.f4 ef4 12.ef4 c4 13.Bg4+=; 8.d4 cd4 9.ed4 Ne7 10.de5 fe5 11.Qh5 g6 12.Qe2 Nd7 13.f4+=) 8...g6 9.Qf3 e4 10.Qd1 h5 11.Ne2 Nd7 12.Nbc3 Ne7 13.ba6+=; D) 7...Qd7 8.e4 (8.Nc3 Ne7 9.Be2 f5 10.d4 cd4 11.ed4 f4 12.Nf1 0-0 13.a5+=; 8.Be2 Nh6 9.0-0 0-0 10.Nc3 f5 11.a5 d4 12.ed4 cd4 13.Nb1+=; 8.a5 c4 9.Nc3 Bb4 10.f4 ef4 11.ef4 Ne7 12.Qh5 Bf7 13.Qf3–/+) 8...Ne7 9.ed5 Nd5 10.Bc4 0-0 11.Qf3 Nb4 12.Be6 Qe6 13.Na3=; E) 7...Ne7 8.Qh5 (8.Nc3 0-0 9.Be2 Qa5 10.0-0 f5 11.Qe1 Nd7 12.f4 d4 13.fe5+=; 8.Be2 0-0 9.0-0 a6 10.Nc3 b6 11.f4 ef4 12.ef4 c4 13.Bg4+=; 8.Bd3 c4 9.Be2 0-0 10.0-0 a6 11.Nc3 Qa5 12.f4 ef4 13.ef4+=; 8.a5 0-0 9.Be2 Bc7 10.a6 ba6 11.ba6 Nbc6 12.Nc3 c4 13.0-0–/+) 8...Bf7 9.Qg4 0-0 10.Bd3 a6 11.Nc3 e4 12.Be2 Nd7 13.0-0+=.

5.c4 d4

6.Na3 Bd6 7.Qh5 g6 8.Qh4 f5 (8...de3 9.fe3 Be7 10.Nf3+=) 9.Qd8= Kd8 10.f4 ef4 0–1. Rivenburg,John (1800) – Panov,Dmitriy (1800), FICGS, 2009.

6.a4 a6 7.ba6 Na6 8.Na3 Bd7 9.Ne2 (9.ed4 cd4 10.f4 Bf5+=) 9...Ne7 (9...Nb4 10.Ng3–/+) 10.Ng3 Nb4 Attacking the isolated pawn on a4 11.Nb5 The mate threat is Nd6 11...Nec6 12.d3 (12.Ra3!?+=) 12...Qa5–/+ 13.Ke2 g6 (13...de3!? 14.Ke3 Nd4 15.Bd4 cd4 16.Kf3 Bc6 17.Kg4 Be7–+) 14.Ne4+= Be7 15.Ned6 Bd6 16.Nd6 Ke7 17.Nb5 (17.Nb7? Qb6 18.Nc5 Qc5–+) 17...de3 18.h3 (18.Ke3 Nd4 19.Bd4 cd4 20.Kf3 h5–/+) 18...Nd4 19.Bd4 (19.Nd4 cd4 20.Qb1 Nd5 21.fe3 Ne3–+) 19...ed4 (better is 19...cd4!? 20.Kf3 h5–+) 20.fe3–/+ Bb5 21.cb5 de3 22.Ke3 Nd5 23.Kf2 Qc3 24.Qe1 Kd7 25.Qc3 Nc3 26.Rc1 Na4 27.Be2 b6 28.Rhd1 Rhe8 (28...Rad8 29.d4 Ke7 30.dc5 Nc5 31.Ke3–/+) 29.Rd2 (29.Bf3!?+/–) 29...Ra7 (better is 29...Ke7+=) 30.Ra2 Threatens Bd1 30...Ra5 31.Bf3 Kd6 32.Rca1?? (better is 32.Rc4!? Rb5 33.Rca4+/–) 32...Nc3 (32...Nb2 33.Be2 Rea8 (33...Rb5?! 34.Rb1+=) 34.Ra5 Ra5 (worse is 34...ba5 35.Ra2+/–) 35.Ra5 ba5–+) 33.Ra5= ba5 34.Ra5 The passed pawn on b5 quickly leads to threats 34...Ke5? (better is 34...Kc7+=) 35.b6+– Nd5?? (better is 35...Kd6+–) 36.Rc5 Rb8 37.Rd5 Ke6 38.b7 (better is 38.Rb5 Kd7+–) 38...Rb7 39.Rd6 Kd6 40.Bb7 Ke5 41.Ke3 f5 42.g3 g5 Black intends f4 (42...h6 43.d4 Kf6 44.Bd5+–) 43.d4 Kd6 (43...Kf6 44.Bf3+–) 44.Bf3 (better is 44.Bc8!? f4 45.gf4 gf4 46.Kf4 Kd5+–) 44...h6 45.g4 f4 46.Ke4 Ke6 47.d5 (47.d5 Kf6 48.h4+–) 1–0. Zylla,Johannes – Porath, Betriebssport Brett, 1988.

6.a4 Nh6 7.d3 (7.Bd3 f5=) 7...Bd6=+ 8.Nf3 Bg4 (8...0-0 9.Be2=+) 9.Ba3 (9.Be2 de3 10.fe3 Nf5=) 9...0-0 10.Be2 Nd7 (10...de3 11.fe3 a6 12.0-0=) 11.Nd4= Be2 (11...cd4 Exploits the pin 12.Bd6) 12.Ne2+= Nf5 (12...f5 13.Nd2+=) 13.d4 (13.0-0!?+–) 13...ed4 (13...cd4 14.ed4 Ba3 15.Ra3 Nd4 16.Nd4 ed4 17.Qd4=) 14.ed4+= Qe7?? (better 14...cd4 15.Bd6 Nd6 16.Qd4 Qc7+=) 15.dc5+– Bc5 16.Bc5 Nc5 17.0-0?? (better 17.Qd5 Qe6 18.Qc5+–) 17...Rad8= 18.Qc2 Nh4 19.Nbc3 (better 19.Ra3+=) 19...b6? (better 19...f5!?+=) 20.Nd5+– Qe5 21.Rfe1 (21.f4 Qh5+–) 21...Qg5 (21...Rfe8 22.Rad1+–) 22.Ng3+– h5 (22...Rfe8!?+–) 23.f4 (23.a5 f5 24.Qc3 Ne4+–) 23...Qg4 24.Qf2 (better 24.a5+–) 24...Nf5?? (better 24...Nd3 25.h3 Qd7+=) 25.Nf5+– Qf5 (25...Nd3 26.Nfe7 Kf7+–) 26.Ne7 Kf7 27.Nf5 Nd3 28.Qh4 (better 28.Re7 Kg6 29.Qf3+–) 28...Nf2 29.Qh5 g6 (29...Kg8 30.Ne7) 30.Qh7 1–0. RichardSommer (1960) – Tabasco999 (1965), lichess.org, 2020.

6.Qc2 Bd6 7.Bd3 Ne7 8.a4 (8.Bh7? f5 9.Bf5 Bf5-+) 8...g6 9.Nf3 Bf5 (9...0-0 10.ed4 ed4 11.0-0=) 10.Bf5 Nf5 11.Qe4 0-0 (11...Qc7!?+=) 12.Qb7+/- Nd7 13.Qd5 Kg7 14.a5 (14.ed4?! ed4 15.a5 Re8 16.Kd1 Ne5 17.Ne5 Re5 18.Qb7 Re7+=) 14...Be7 15.e4 Nh6 16.0-0 Qc7 17.d3 Qd6 18.Nbd2 Qd5 19.ed5 (19.cd5?! Rfb8+=) 19...Bd6 20.Ne4 Be7 21.d6 Bd8 22.Ba3 Ba5? (better 22...Rc8+/-) 23.Nc5+- Nc5 24.Bc5 Bb6 25.Bb4 Rfd8 (25...Rfb8+-) 26.c5 a5 (26...Nf7 27.Ra6+-) 27.ba6 (27.cb6?! ab4 28.Ra7 Nf7+=) 27...Ba7 28.c6 Rab8 (28...Kf7+-) 29.c7 Rdc8 30.cb8Q Bb8 (30...Rb8 31.Ba5 Bc5 32.d7+-) 31.a7 (31.a7 Ba7 32.Ra7 Nf7 33.d7+-) 1-0. DEFFM – GuestDNBJ, freechess.org, 2021.

6.Qc2 Ne7 7.Nf3 =.

6.Qc2 g6 7.Nf3+= Bg7 8.h4 (8.Bd3 f5 9.e4 fe4 10.Be4 Nf6=) 8...f5= 9.d3 b6 (9...Nh6 10.ed4 ed4 11.Be2=) 10.Nbd2 (10.Be2 Nd7+=) 10...Bb7 (10...Nd7 11.0-0-0 Ngf6 12.ed4 cd4 13.Ng5=) 11.ed4 cd4 12.0-0-0 (12.Be2 Nd7+=) 12...Nd7 13.Re1 Ne7 14.h5 (14.Ba3 Bf6 15.h5 0-0=) 14...Qc7 (14...a6 15.Kb1=) 15.hg6 (15.Ba3 Nc5=) 15...hg6=+ 16.Rh8 Bh8 17.g3 (17.Ng5 Bf6 18.f4 Bg5 19.fg5 Kf7=+) 17...Nc5 (17...Bf6 18.Be2–/+) 18.Nb3?? (better 18.Kb1=+) 18…Bf3–+ 0–1. Rancic,Danijela (2010) – Mitrovic,Darko (2370), Nis op, 2009.

6.Qc2 Nh6 7.Be2 (7.Nf3 Bd6=) 7...Bf5 8.e4 Be6 9.Nf3 Bd6 10.d3 (10.0-0 0-0+=) 10...0-0 (10...a6 11.Qa4+=) 11.Nbd2 (11.Bc1 Nf7=) 11...Nd7 (11...a6 12.a4+=) 12.a4 (12.0-0 Nf7+=) 12...Bc7 (12...a6 13.0-0+=) 13.0-0= g6 (13...Ba5 14.Nb3=) 14.Nb3 (14.Ba3 Nf7=) 14...f5 15.ef5 (15.Bc1 Nf7=) 15...gf5 (15...Nf5 16.a5=) 16.Bc1 Nf7 17.g3 (17.a5 Qf6+=) 17...Qf6 Black prepares f4 (17...a6 18.Nfd2=) 18.Nh4 (18.a5 Rae8=) 18...Nd6+= Black plans f4 19.f3 (19.a5 e4+=) 19...f4–/+ 20.Rf2 (20.a5 Qg7 21.Kh1 fg3+=) 20...Kh8 (20...Qg7 21.Kh1 fg3 22.Rg2–/+) 21.Kh1 (21.Ba3 fg3 22.hg3 Rg8–+) 21...Rg8 22.Rg2 fg3 23.hg3 Rg3!! 24.Rh2 (24.Rg3 Decoy to g3 24...Qh4 A double attack) 24...Bh3 (24...Bh3 25.Ba3 Qh4–+) 0–1. Kjaerstad,Eivind J – Tait,Jonathan A, corr NPSF v BCCA, 1993.

6.d3 a5 7.a4 b6 8.Nf3 Bb7 (8...de3 9.fe3 Ne7 10.d4=) 9.Be2+= Ne7 10.0-0 Ng6 11.h3 Be7 12.Nbd2 0-0 13.Ne4 (13.Ne1 Nh4=) 13...Be4 (13...f5!? 14.Ng3 Qc7=+) 14.de4= Nd7 15.ed4 (15.Qd3 Qc7+=) 15...ed4 (15...cd4 16.Nd2=+) 16.Nd2 Bd6 17.g3 Nge5 (17...Qe7 18.f4=) 18.f4 d3? (better 18...Nf7!?=) 19.Bf3 (19.Bh5 Nf7+–) 19...Nf3 20.Nf3 g5? (better 20...Qe7 21.Qd3 Rad8+–) 21.Qd3+– Qc8 (21...g4 22.Qd5 Rf7+–) 1–0. RichardSommer (2185) – Bursik (2175), lichess.org, 2020.

6.d3 Nd7 7.Be2 a5 (7...Nh6 8.Nf3=) 8.a4 (8.Nh3 Nh6+=) 8...b6 (better 8...Nh6!?=) 9.Nd2 Bb7 10.Bf3 Qc7 11.Bb7 Qb7 12.Qh5 g6 13.Qh3 0-0-0 (13...Kf7 14.Ngf3+=) 14.Ngf3+– Kb8 15.0-0 h5 16.Ne4 (better 16.Rae1+–) 16...Re8 (better 16...f5!? 17.Neg5 Nh6+–) 17.Nh4+– Rh6 18.ed4 cd4 19.Bc1 g5? (better 19...f5 20.Bh6 Nh6+–) 20.Nf5 Nc5 (20...Qc8 21.Nh6 Nh6 22.Qh5+–) 21.Nh6 Nh6 22.Nf6 Rc8 (22...Re6 23.Bg5 Qf7 24.f4+–) 23.Bg5 Nf7 24.Bh4 Be7 25.f4 Ka7 (25...Bf6 26.Bf6 e4 27.de4+–) 26.Rae1 Bd6 (26...Bf6 27.Bf6 e4 28.de4+–) 27.Nd5 Na4 (27...Re8+–) 28.fe5 Ne5 29.Qe6 (better 29.Bg3 Nc3 30.Be5 Nd5 31.Bd6+–) 29...Nd3 (29...Bb8 30.Ne7 Nd7 31.Nc8 Qc8+–) 30.Qd6 Ne1 31.Re1 (31.Re1 Rc4 32.Re7 Ka8 33.Rb7 Kb7 34.Bg3 Rc1 35.Kf2 Rc8 36.Qd7 Ka8 37.Qc8 Ka7 38.Qb8) 1–0. zuri9 (2280) – chessus11 (1630), gameknot.com, 2018.

6.Bd3 a6 7.Qh5 Ke7 8.ed4 ab5 9.Bh7 bc4 A) < 10.dc5 Qd5 11.Nf3 Nd7=; B) 10.de5+=.

6.Bd3 Qb6 7.Qh5 Ke7 (7...Kd8 8.Nf3 Qe6 9.ed4 ed4 10.Kd1 Nh6+=) 8.ed4+– (8.Bh7 Kd8 9.ed4 cd4=+) 8...cd4?? (8...g6 9.Bg6! ed4+–) 9.Ba3 (9.Ba3 Kd8 10.Bf8+–) 1–0. DEFFM – GuestTRVF, freechess.org, 2019.

6.Bd3 Nh6 7.Nf3 Bf5 8.Bf5 Nf5 9.e4 Nd6 10.d3 g6 11.0-0 Nd7 12.a4 Bh6 13.a5 0-0 14.a6 b6 15.Re1 Rf7 16.Bc1 Qf8 17.Nbd2 Re8 18.Bb2 f5 19.Re2 Bd2 20.Nd2 fe4 21.Ne4 Ne4 22.Re4 (better is 22.de4!? Nf6 23.Qd3=) 22...Rf2–/+ 23.Bc1 Qf5 24.Qe1 Rf8 25.Bh6 Rf7 26.Re2 Re2 (26...Qd3 27.Rf2 Qc4 28.Rf7 Qf7 29.Qe4+–) 27.Qe2 e4 28.de4 Qe6 29.h3 Ne5 30.Rc1 Rd7 31.Qf2 Nf7 32.Bd2 Rd8 33.Re1 Re8 34.Qe2 Nd6 35.Bf4 Nc4 36.e5 Qd5 37.Qd3 Nd6! 38.Re2 (38.ed6 Re1 Pinning (38...Re1 Deflection)) 38...Nf5 39.e6 (39.Rc2!?–/+) 39...Re6–+ 40.Re6 Qe6 41.Qf3 Qe7 42.Qa8 Kg7 43.Qb7 Kf6 44.Qc6 Qe6 45.Bg5 Kf7 46.Qb7 Ne7 47.g4 (47.Qc7 Qe2–+) 47...Qe5 48.Qf3 Ke6 49.Be7 Ke7 50.Qb7 Kf6 51.Qh7 Qg3 52.Kf1 Qh3?? (better is 52...Qf3 53.Kg1 d3–+) 53.Qh3+– (53.Qh3 Ke6 54.Qh7+–) 1–0. Maetz,Erich (2050) – Czaja,Roman (2250), ICCF World Cup, 2000.

6.ed4 a6 7.de5+– ab5 8.cb5 fe5 (8...Be6 9.Qh5 Bf7 10.Qe2+–) 9.Be5 (9.Qh5!? Kd7 10.Nf3 Qe7+–) 9...Qe7 10.Qe2 Nd7 11.Bb2 Ngf6 12.Nf3 Qe2 13.Be2 Bd6 14.Bc4 b6 (14...Nb6!? 15.d3 Nc4 16.dc4 Be6+/–) 15.0-0+– Bb7 16.d4?? (16.Ng5 Bd5 17.Bd5 Nd5 18.Re1 Kf8 19.Ne6 Kf7 20.Ng7 Rhd8+–) 16...0-0-0? (better is 16...Bf3!? 17.gf3 0-0-0+/–) 17.Ne5 Rhf8 (17...Bd5 18.Bd5 Be5 19.Bb7 Kb7 20.de5+–) 18.Nf7 Rf7 19.Bf7 cd4 20.Bd4 Nc5 21.Bf6 Rf8 1–0. carocan (1810) – alniro (1655), internet, 2011.

6.Qe2 Ne7 7.Na3 Bf5 8.e4 Be6 9.Nf3 a6 10.ba6 Na6 11.Nc2 g5 12.d3 Ng6 13.g3 h5 14.0-0-0? (better is 14.h3!?+=) 14...Qa5 15.Kb1 Nb4 16.Nb4 cb4 17.Bd4 Bg4 (better is 17...g4 18.Ne5 fe5–+) 18.h3?? (18.Bb2 Qa2 19.Kc1–+) 18...Bf3 (18...ed4 19.hg4 b3 20.a4 hg4 21.Rh8 gf3 22.Rf8 Nf8 23.Qb2 Qa4 24.Bh3 Qa2 25.Qa2 Ra2 26.Bg4 Rf2 27.Rh1–+) 19.Qf3 (19.Qd2 Bd1 20.Bg2–+) 19...Qa2 20.Kc1 ed4 21.Qf6 (21.Qg4 Qa1 22.Kd2 Ra2 23.Ke1 Qc3 24.Rd2 Qd2#) 21...Ra6 (21...Qa1 22.Kd2 Ra2 23.Ke1 Qc3 24.Rd2 Qd2#) 22.Qd4–+ b3 23.Rd2 Ba3 24.Kd1 b2 25.Ke2 b1Q 26.Ra2 Qa2 27.Kf3 0-0 28.Kg2 Raf6 29.Qd5 (29.Be2 Qe2 30.Rf1 Bb2 31.Qd5 Kh8–+) 29...Kh7 (29...Kh7 30.Qf5 Rf5 31.ef5 Rf5 32.Be2 Qe2 33.Rd1 Rf2 34.Kg1 Qf3 35.d4 Qg2#) 0–1. poiu404 – greg1123 (1755), internet, 2011.

6.Be2 d3 7.Bf3 Bf5? (better 7...a6=) 8.Bb7+- Nd7 9.Qf3 Rb8 10.Qf5 Rb7 11.Qd3 Ne7 12.Nc3 a6 (12...Nc8 13.Qd5 Nd6 14.d3+-) 13.Nf3 Nc8 14.a4 ab5 15.ab5 Ncb6 (15...Nd6 16.Ba3+-) 16.Qe4 Qb8 17.Qg4 (17.0-0 Be7+-) 17...Kf7 (17...Qd6 18.Qf5+-) 18.d3 Bd6 19.Ne4 Be7 20.Nh4 (20.0-0 g6+-) 20...g6 21.0-0 f5 22.Nf5! gf5 23.Qf5 Ke8 24.f4 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Be2 f5 7.Bh5 g6 8.Be2 d3 9.Bf1 Bg7 10.Nf3 Qe7 11.Bd3 e4 12.Bg7 Qg7 13.Nc3 ed3 14.Nd5 Be6 15.0-0 Bd5 16.cd5 Nd7 17.Qb3 0-0-0 18.Qd3 Nb6 19.e4 fe4 20.Qe4 Rd5 21.Rac1 Ne7 22.Rfe1 Nf5 23.a4 Rhd8 24.a5 Na8 25.Qc4 b6 26.ab6 ab6 27.Qa4 Nc7 28.Qa7 Qf6 29.Qa4 Kb7 30.Qc4 Nd4 31.Nd4 Rd4 32.Qc3 Qd6 33.Qf3 Qd5 34.Qd5 R8d5 35.Re7 Rd7 36.Rd7 Rd7 0–1. jarda1000 – anorstein, internet, 2014.

6.Ne2 Bf5 7.g3 Bd6 8.Bg2 Qc7 9.0-0 Nd7 10.a4 Rd8 11.d3 Ne7 12.e4 Bg4 13.Nd2 0-0 14.f3 Bh5 15.Qb3 f5 16.h3 (16.ef5 Bf7= (16...Rf5? 17.g4+–)) 16...fe4 (16...Qa5 17.Qc2+=) 17.Ne4= Nf6 18.Nd6 Qd6 19.g4 Bg6 20.Bc1 h5 21.g5 Nh7 22.h4 Nf5 23.Bh3? (better is 23.f4+=) 23...Nh4–+ 24.Qd1?? (24.f4 Qe7–+) 24...Ng5! 25.f4?? (25.Bg5 Nf3 Double attack (25...Nf3 Decoy)) 25...Nh3 26.Kh2 Nf4 27.Nf4 ef4 28.Bd2 (28.Ra2–+) 28...f3 29.Kh1 Bd3 (29...Qg3 30.Rf2 Qf2 31.Qg1 Qg2 32.Qg2 fg2 33.Kg1 Bd3 34.Ra2 Rf1 35.Kh2 g1Q 36.Kh3 Qh1 37.Kg3 Nf5) 30.Rf2 Be2 31.Qg1 Ng2 (31...Nf5 32.Qe1–+) 32.Ra3 (32.Re2 fe2 33.Qg2–+) 32...Qg3 33.Be1 Qh3 34.Qh2 Qh2 35.Kh2 Ne1 36.Ra1 Nd3 37.Rff1 Bf1 38.Rf1 f2 39.Kg2 Rf4 40.Kg3 Rdf8 41.Rf2 Rf2 42.Kh4 R8f5 43.Kg3 R2f3 44.Kg2 Ne1 45.Kh2 Rg5 46.Kh1 Rg2 0–1. kannisogoet – leila54, playok.com, 2012.

6.e4 f5 7.ef5 Bf5 8.Qf3 Qd7 9.Bd3 Bd3 10.Qd3 Nf6 11.f3 Qe6 Black prepares the advance e4 12.Ne2 Nbd7 13.Ng3 e4 14.Ne4 Ne5 15.Qe2 Ne4 16.fe4 Nc4 17.d3 Ne5 18.Bc1 Bd6 19.0-0 0-0-0 (19...c4 20.dc4 d3 21.Qe1–/+) 20.Bf4 h5 (20...c4 21.dc4 d3+= (21...Qc4?? 22.Rc1 Qc1 23.Bc1+–)) 21.Nd2= Ng4 22.Nc4 Bf4 23.Rf4 Rhf8 24.Qf3 Rf4 25.Qf4 Qf6 ½–½. Taus,M (2130) – Mrazek,L (2160), Chance Cup Open, 2011.

6.Nf3 c5 7.bc6 Nc6 8.ed4 ed4 9.d3 (9.Bd3 Qe7 10.Qe2 Qe2 11.Ke2 Bc5=) 9...Bc5 10.Be2 Nge7 11.a3 (11.0-0 0-0=) 11...0-0 (11...Qb6 12.Bc1=) 12.Nbd2 a5 (12...Re8 13.0-0=) 13.0-0 Bg4 (13...Bf5 14.Nh4=) 14.Re1 (14.Nb3 Bf3 15.Nc5 Qb6 16.Bf3 Qc5+/-) 14...Nf5 (14...b6 15.Rb1+=) 15.Nf1 (15.Ne4!? Ba7 16.c5+/-) 15...Re8 16.Ng3 (better 16.Rb1!?+=) 16...Ng3=+ 17.hg3 Qc7 (17...Qd7 18.Nd2=+) 18.Qd2 b6 (18...Re7 19.Rab1 Be6 20.Bd1=+) 19.Nh2 Be2 20.Re2 Re2 21.Qe2 Kf7 (21...Qe5 22.Qg4=+) 22.Qf3 Re8 (22...Rd8 23.Qe4 h6 24.Nf3=) 23.Ng4 (23.Qh5!? Kf8 24.Qh7+/-) 23...h5 (23...Qd6!?=+) 24.Nh2= g6 25.Nf1 (25.g4 Ne5 26.Qg3 Qd7 27.gh5 gh5=+) 25...Ne5 26.Qd5 Kg7 27.Re1? (27.Bd4!? Bd4 28.Qd4=+) 27...Re7 (27...Nf3 28.gf3 Re1 29.Bd4-+) 28.Nh2 (28.Bd4!? Bd4 29.Qd4 Nf3 30.gf3 Re1 31.Kg2-/+) 28...Nd3-+ 29.Re7 Qe7 30.Ba1?? (better 30.Bd4 Bd4 31.Qd4-+) 30...Qe1-+ 31.Nf1 Qa1 (31...Qf2 32.Kh2 Ne5 33.Qb7 Kh6 34.Qe4 Ng4 35.Kh3-+) 32.Qd7 (32.Qb7 Kh6 33.Qf3 Qa3 34.Qf6-+) 32...Kh6 33.g4 Qb2 (33...Qe1 34.g5 Kg5 35.Qd5 Ne5-+) 34.gh5 (34.g5 fg5 35.Qf7 Nf2 36.Qf6-+) 34...Qf2 35.Kh2 Qf1 (35...Ne1 36.Qc6 Bd6 37.Kh3 Qf5 38.g4 Qf1 39.Qg2 Qg2 40.Kh4 Nf3) 36.hg6 Kg6 (36...Qf4 37.g3 Qd2 38.Kg1 Qf2 39.Kh1 Qg3 40.Qh7 Kg5 41.Qh2 Nf2 42.Qf2 Qf2 43.g7 Qf1 44.Kh2 Bd6) 37.Qg4 Kf7 38.Qd7 Be7 39.Qd5 Kf8 40.Qa8 (40.Qd4 Ne1 41.Qd2 Kg7-+) 40...Kg7 41.Qd5 (41.Qb7 Qf4 42.g3 Qf2 43.Qg2 Qg2 44.Kg2 Nb2-+) 41...Qf4 42.Kg1 Qf2 (42...Bd6 43.Qf7 Kf7 44.g4 Qf2 45.Kh1 Qf1) 43.Kh2 Qh4 (43...Ne5 44.Qb7 Qf4 45.g3 Nf3 46.Kh3 Qh6 47.Kg2 Qh2 48.Kf3 Qh1 49.Kf2 Qb7 50.g4-+) 44.Kg1 Nf4 45.Qf3 Qg5 (45...Bc5 46.Kf1 Qh1 47.Kf2 d3 48.Kg3 Nh5 49.Kg4 d2 50.Qe4 d1Q 51.Qf3 Qg2 52.Kf5 Qgf3 53.Ke6 Qd6) 46.g3 Bd6 47.Kf2 Nh3 48.Kg2 Kg6 (48...d3 49.Kh3 d2 50.Kg2 Qg3 51.Qg3 Bg3 52.Kg3-+) 49.Kh2 (49.Kh3 Qf5 50.Kg2 Qf3 51.Kf3 Ba3-+) 49...Nf4! 50.gf4 Bf4 (better 50...Qf4 51.Kg2-+) 51.Kh3 (51.Kh1 Qf5 52.Kg2 d3-+) 51...Qf5 (51...Bd6 52.c5 bc5 53.Qe4 Kh6 54.Qg4-+) 52.Kh4 (52.Qg4 Bg5 53.Qf5 Kf5 54.Kg2-+) 52…Bg5 (52...Bg5 53.Kg3 d3 54.Qf5 Kf5-+) 0-1. ClayPigeons (2170) - nico77lu (2145), Rated Bullet game, lichess.org, 2020.

6.Nf3 Bd6 7.Be2 e4 8.ed4 (8.Ng1!? d3 9.Bg4+=) 8...ef3–/+ 9.Bf3 cd4 10.Bd4 Ne7 11.0-0? (11.Qe2 Nd7–/+) 11...0-0 (11...Bh2!? 12.Kh2 Qd4 13.Nc3–+) 12.Re1 (12.Qe2 Re8–/+) 12...Nf5 (12...Bh2!? 13.Kh2 Qd4–+) 13.Bd5–/+ Kh8 14.Bb2 Nd7 15.Nc3 Nb6 16.Qf3 (16.d3 Qc7 17.h3 Bh2 18.Kh1 Be5–/+ (18...Nd5?! 19.Nd5 Qb8 20.Qf3+=)) 16...Nd5 (better is 16...Qc7!?–+) 17.Nd5–/+ Re8 18.Re8 Qe8 19.Nf6? (better is 19.d3–/+) 19...gf6–+ 20.Bf6 Kg8 21.Kf1? (21.Bb2–+) 21...Qf7 22.Bb2 Be6 (22...Qc4 23.Kg1–+) 23.Re1 (23.Qc3 Ng7 24.d3–+) 23...Bc4 24.d3 Bb5 25.Qg4 (25.a4 Bd7–+) 25...Qg6 26.Qe4 (26.Qg6 hg6 27.Re6 Bd3 28.Kg1–+) 26...Bc6 (26...Bc6 27.Qe6 Qe6 28.Re6 Bd7–+) 0–1. GuestBFQC – GuestXXFH, freechess.org, 2017.

6.Nf3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 c5 6.c4 d4).

6.Nf3 Bg4 7.Be2 d3 8.Bf1 e4 9.Qa4? (better is 9.h3 Be6 10.Nc3 ef3 11.Qf3–/+) 9...ef3–+ 10.b6 (10.Qb3–+) 10...Nc6 11.Nc3 (11.Bc3 Bd6–+) 11...ab6 12.Qb5 Ra5 13.Qb3 Nb4 (better is 13...Nd4!? 14.ed4 Qe7 15.Be2 cd4 16.0-0 fe2 17.Ne2 de2 18.Rfe1–+) 14.0-0-0 (14.Rc1 Ne7–+) 14...fg2 15.Bg2 Bd1 16.Rd1 (16.Kd1 Qd7 17.h3 Qf7–+) 16...Bd6 (16...Ne7 17.a3 Nc2 18.Nb5–+) 17.a3 Nc2 (17...Nc6!? 18.f4–+) 18.Nb5 Be5 (18...Bh2 19.Be4 Be5 20.Qd3 Qd3 21.Bd3 Bb2 22.Kb2 Na3 23.Na3–+) 19.Be4 Bb2 20.Qb2 (20.Kb2 Qe7 21.Qd3 Na3 22.Na3 Qe5 23.Kb3 Qh5–+ (23...Qh2?! 24.f4–+)) 20...Ne7 (20...Nh6 21.Rg1 g6 22.Qc3–+) 21.Qb3 (21.Qc3 Qb8–+) 21...0-0 (better is 21...Nc6 22.Bd3 Na3 23.Na3–+) 22.Bb7 (22.Bd3 Na3! 23.Na3 Qd6–+) 22...Qb8 (better is 22...f5 23.Bf3–+) 23.Bd5 (23.Be4 Nb4! 24.f4–+) 23...Nd5 24.cd5 (24.Qd3 Ndb4! 25.ab4 Nb4–+) 24...Rb5! 25.Qd3 (25.Qb5 c4 Combination) 25...c4 (better is 25...Na3!? 26.Qa3 Qh2 27.Qd3–+) 26.Qc2 Rd5 27.Qc4 (27.Kb1 Rc8 28.d4–+) 27...Rc8 (27...Rc8 28.d3 Rc4 29.dc4 Rd1 30.Kd1 Qh2–+) 0–1. Goldmund,Heike – Cirovic,Zeljko, FICGS, 2014.

6.g3 Qc7 7.Bg2 h5 8.Nf3 g5 9.d3 h4 10.gh4 g4 11.Nfd2 Rh4 12.a4 Qh7 13.Bd5 Ne7 14.Nf1 Nd5 15.cd5 f5 16.Nbd2 Nd7 17.Rc1 Nf6 18.Nc4 Nd5 19.Ne5 de3 20.fe3 Be6 21.d4 cd4 22.Qd4 Bh6 23.Nc4 Rd8 24.Qe5 Qf7 25.Nd6 Rd6 26.Qd6 Ne3 27.Ne3 Be3 28.Qe5 f4 29.Rc8 Ke7 30.Rc7 Kd8 31.Rf7 Bf7 1–0. ukres05 – rysk, internet, 2014.

6.h3 b6?? 7.Qf3 Qc7 (7...Nc6 8.Qc6 Bd7+–) 8.Qa8 Bb7 (8...Bd6 9.Be2+–) 9.Qa7 de3 (9...Ne7 10.Ne2+–) 10.fe3 (10.de3 Bd6+–) 10...e4 11.Ne2 f5 (11...Ne7 12.Nbc3+–) 12.Nbc3 Nf6 13.Nd5! Nd5 (13...Bd5 14.Qc7 Pinning (14.Qc7 Deflection); 13...Nd5 14.cd5 Passed pawn) 14.cd5 Bd6 (14...Nd7 15.Nf4+–) 15.a4 (better is 15.Nf4 Bc8 16.Qc7 Bc7+–) 15...0-0 16.a5 Bg3 (16...ba5 17.b6 Qe7 18.Nc3+– (worse is 18.Ra5 Na6+–)) 17.Kd1 Qd6 (17...Be5 18.Be5 Qe5+–) 18.Qb7 Nd7 (18...Be5 19.Be5 Qe5 20.Nc3 ba5 21.Ra5+–) 19.ab6 (better is 19.Ng3 Rf7 20.Qc8 Qf8 21.Qf8 Rf8 22.a6+–) 19...Nb6 (19...Be5 20.Ra7 Bb2 21.Qd7 Qd7 22.Rd7+–) 20.Ra6 (20.Qg7) 20...Qd5 21.Qg7 1–0. olawoj – mroczkowski, internet, 2013.

6.h3 de3 7.fe3 Ne7 +=.

6.a4 Be6

7.Bd3 A) 7...Bd6 A1) 8.Qe2 Qe7 (8...Qd7 9.Nf3 Ne7 10.0-0 0-0 11.ed4 cd4 12.a5 a6 13.Re1 ab5=; 8...de3 9.de3 Ne7 10.Nf3 Ng6 11.Qc2 0-0 12.0-0 f5 13.e4 f4+=; 8...Qc8 9.Nf3 Nh6 10.0-0 0-0 11.Re1 Re8 12.Bc2 Bf7 13.d3 Qg4=) 9.Nf3 f5 10.e4 fe4 11.Be4 Nf6 12.d3 Ne4 13.Qe4 0-0+=; A2) 8.Qc2 Ne7 (8...g6 9.Be4 Qd7 10.d3 f5 11.Bf3 g5 12.h3 Nf6 13.a5 g4=) 9.Nf3 f5 10.e4 f4 11.a5 0-0 12.0-0 Ng6 13.Be2 Bc7=; A3) 8.Nf3 Nd7 (8...Nh6 9.0-0 Qd7 10.ed4 cd4 11.Qc2 f5 12.c5 Bc7 13.Re1 Nf7+/–; 8...Qd7 9.0-0 Ne7 10.ed4 cd4 11.Re1 Ng6 12.Ba3 Nf4 13.Be4 Ba3=; 8...Ne7 9.0-0 0-0 10.Re1 Qd7 11.a5 a6 12.ed4 cd4 13.Qe2 ab5=; 8...f5 9.ed4 cd4 10.0-0 Qf6 11.Re1 Ne7 12.c5 Bc7 13.b6 ab6=) 9.Qc2 g6 10.0-0 f5 11.ed4 cd4 12.Re1 Qf6 13.a5 Nc5=; A4) 8.Qh5 Bf7 (8...Kd7 9.Be4 Qc7 10.a5 g6 11.Bg6 Bc4 12.a6 Bd5 13.Bf7 Bf7+– 1.56) 9.Qf3 Qe7 10.Be4 Bg6 11.Bg6 hg6 12.e4 Nd7 13.a5 0-0-0=; B) 7...f5 B1) 8.ed4 cd4 (8...e4 9.d5 Bd5 10.cd5 ed3 11.Qh5 g6 12.Qf3 Nf6 13.Qe3 Kf7+=) 9.Nf3 e4 10.Qe2 Bc5 11.0-0 Ne7 12.Ng5 Bc8 13.Be4 fe4+=; B2) 8.e4 Qg5 (8...Nh6 9.ef5 Nf5 10.Qe2 Nd7 11.Nf3 Qf6 12.a5 Nd6 13.a6 b6+=; 8...Ne7 9.Nf3 Nd7 10.Ng5 Bg8 11.ef5 Nf5 12.Bf5 Qg5 13.Qf3 Rd8+=; 8...Qc8 9.ef5 Bf5 10.Qh5 g6 11.Bf5 Qf5 12.Qe2 Nf6 13.Nf3 Bd6=) 9.ef5 Qg2 10.Qf3 Qf3 11.Nf3 Bc8 12.Rg1 Nd7 13.Ng5 Ndf6+=.

7.ed4 cd4 8.Ba3 (8.Qh5 g6 (8...Bf7 9.Qf3 Qd7 10.Bd3 Ne7 11.Nh3 Be6 12.0-0 Bh3 13.Qh5 g6+=) 9.Qf3 Qd7= 10.a5 a6 11.Be2 ab5 12.cb5 Bd5 13.Qg3 Qd8+=; 8.Qf3 Qd7 (8...Qc8 9.a5 Nd7 10.a6 Rb8 11.ab7 Rb7 12.Be2 Nb6 13.Ra6 Bf5+=) 9.a5 a6 10.Qh5 Bf7 11.Qf3 Ne7 12.Be2 ab5 13.cb5 Bd5+=; 8.Bd3 Nd7 9.Qc2 Qc7 10.Na3 g6 11.Nf3 Nc5 12.0-0 Nd3 13.Qd3 Ba3+=) 8...Ba3 (8...Nd7 9.Bf8 Nf8 10.a5 d3 11.Qf3 Bc4 12.a6 Rb8 13.ab7 Bb5=; 8...Nh6 9.Qh5 Kd7 10.Bf8 Rf8 11.a5 Re8 12.Be2 e4 13.Ra4 d3+=) 9.Ra3 Qc7 (9...Nd7 10.a5 Ne7 11.Qh5 Bf7 12.Qg4 Bg6 13.d3 0-0–/+) 10.d3 (10.a5 a6 (10...Bc4? 11.Qc2+–; 10...Nd7+= 11.a6 Rc8 12.ab7 Qb7 13.d3 Nh6+=) 11.b6 Qc5 12.Be2 Nc6 13.Qa4 0-0-0–/+) 10...Nd7 (10...Ne7 11.Be2 a6 12.ba6 Na6 13.Bh5 g6–/+) 11.Nf3 (11.Be2 a6 12.ba6 ba6 13.Bh5 Kd8+=) 11...Ne7 (11...a6 12.ba6 Ra6 13.Be2 Nc5–/+) 12.Be2 (12.a5 a6 13.b6 Qc5+=) 12...0-0 (12...a6 13.0-0 0-0+=) 13.0-0 (13.a5 Nc5+=) 13...a6 14.Nfd2 ab5 15.ab5 Ra3 16.Na3 Ra8 17.Nab1 Nc5 18.Nb3 Ra2 (18...Nb3 19.Qb3 Ng6 20.Bf3+=) 19.N1d2 (19.Nc5 Qc5 20.Bg4 Bg4 21.Qg4 Rb2+=) 19...Ng6 20.g3 Bf5 21.Nc5 Qc5 22.Bf3 Bd3?? (better is 22...Qe7 23.Nb3 Ra3+=) 23.Bd5+– Kf8 (23...Kh8 24.Nb3 Qb4 25.Qd3+–) 24.Nb3 Qb4 25.Qd3 b6 26.Ra1 (better is 26.Rb1!? Qd6+–) 26...e4? (better is 26...Ra1 27.Na1 Qe1 28.Qf1 Qf1 29.Kf1 Ke7+–) 27.Qd1 (27.Be4?! Ra1 28.Na1 Qe1 29.Kg2 Qa1+/–) ½–½. Menze,Gerold – Winkler,Fabian, ch–City, Solingen GER, 2004.

7.ed4 ed4 8.Bd3 Qe7 (8...Bd6 9.Nf3 Ne7 10.0-0 0-0 11.Re1 Qd7 12.Qc2 f5 13.a5 Rf6=) 9.Ne2 Nd7 10.0-0 Qf7 11.Nf4 Bc4 12.Bc4 Qc4 13.Re1 Ne7 =.

7.Qh5 Bf7 8.Qf3 Qd7 9.Bd3 Ne7 10.a5 de3 11.Qe3 a6 12.Nc3 Nf5 13.Bf5 Qf5 =.

7.Qh5 g6 A) 8.Qf3 Qd7 (8...Qe7 9.Be2 a6 10.Na3 Nh6 11.a5 Bg7 12.d3 0-0 13.b6 Nc6+=) 9.a5 a6 10.ed4 ed4 11.Bd3 ab5 12.cb5 c4 13.Bf1 Bc5+=; B) 8.Qh4 Nd7 (8...Nh6 9.Qe4 Qe7 10.Be2 Nf7 11.a5 Nd6 12.Qc2 Bh6 13.Bd3 a6+=; 8...Bd6 9.Nf3 Qd7 10.e4 f5 11.ef5 gf5 12.Ng5 Qe7 13.a5 e4+=; 8...a6 9.ed4 cd4 10.Qe4 ab5 11.Qb7 Ra4 12.Qb5 Bd7 13.Qb3 Ra1+=; 8...Bf5 9.e4 Be6 10.a5 d3 11.Ra4 a6 12.b6 Nc6 13.Nc3 Nb4=) 9.a5 a6 10.Bd3 Bh6 11.ed4 cd4 12.b6 Nc5 13.Bf1 d3–/+; C) 8.Qd1 Qd7 (8...de3 9.fe3 Nd7 10.a5 a6 11.Qf3 ab5 12.Qb7 bc4 13.Bc3 Rb8=; 8...d3 9.Qb3 Bf5 10.f3 Ne7 11.g4 Be6 12.Bd3 Bg7 13.Ne2 f5+=; 8...Bd6 9.Qf3 Qe7 10.Be2 a6 11.Na3 f5 12.ed4 cd4 13.Nh3 Nf6+=; 8...a6 9.Bd3 ab5 10.ab5 Ra1 11.Ba1 Ne7 12.Nf3 Qa5 13.Bb2 Nd7=) 9.a5 a6 10.Qc2 Ne7 11.Nf3 ab5 12.cb5 Nd5 13.ed4 Nb4+=; D) 8.Qe2 Kf7 (8...Nh6 9.a5 Bf5 10.e4 Be6 11.Nf3 Bg7 12.Qd3 Nf7 13.Qc2 Nd6+=; 8...a6 9.ed4 cd4 10.f4 ab5 11.cb5 Qd5 12.fe5 fe5 13.a5 Bg7+=; 8...Bf5 9.e4 Be6 10.Nf3 Bg7 11.Qd3 f5 12.a5 Nf6 13.Ng5 Bc8+=; 8...Qd7 9.ed4 ed4 10.a5 a6 11.Nf3 Bd6 12.g3 Kd8 13.Bg2 ab5+=) 9.a5 a6 10.Qf3 Qd7 11.b6 Nc6 12.e4 d3 13.Nh3 Bh6+=.

6.Qc2 Be6

7.Bd3 Ne7 8.f4 (8.Bh7? f5 9.Nf3 Rh7 10.Ne5 Qd6–+) 8...ef4 (8...a6 9.fe5 (9.Bh7? f5–+) 9...fe5 10.Nf3=) 9.ed4+= Qc8 (9...cd4 10.Nf3+=) 10.d5 (10.Ne2 cd4 11.0-0 f3 12.Rf3 Nd7 13.Bd4 Ne5 14.Be5 fe5+/–) 10...Bf5 11.Nf3 Bd3 12.Qd3 Nf5 (12...a6 13.Nc3+/–) 13.0-0 Bd6 14.Re1 Kf7?? (better is 14...Ne7+/–) 15.Re6+– Nh6 16.Rd6 Re8 (16...Qf5 17.Qc3+–) 17.Bf6 (better is 17.Qh7 Nd7 18.Ng5 Kf8 19.Ne6 Ke7 20.Rd7 Kd7 21.Qg7 Re7 22.Qh6 b6+–) 17...Qf5 18.Ng5 Kg8 19.Qf5 Nf5 20.Rd8 Nd7 (20...Rd8 21.Bd8 a6 22.Nc3+–) 21.Ra8 (21.Rd7 gf6 22.Nh7 Re7 23.Re7 Ne7 24.Nf6 Kf7+–) 21...Nf6 (21...Ra8 22.Bc3 Nf8+–) 22.Re8 (22.Ra7!? Nd6+–) 22...Ne8 23.Ne6 Ned6 (23...Nd4 24.Nc3+–) 24.d3 (24.Na3 Nd4 25.Nc5 f3+–) 24...b6 (24...Nd4 25.Nc3 Ne6 26.de6+–) 25.Nf4 Nd4 26.Nd2 (26.Nc3 Kf7+–) 26...h6 (26...g5 27.Nh5 h6 28.Ne4+–) 27.Re1 (27.Re1 Kf8 28.Ne6 Ne6 29.Re6+–) 1–0. Plock,Joerg – Grzesik,Stefan, Mecklenburg VP LL1, 1997.

7.Nf3 Bd6 8.d3 Nd7 9.e4 Ne7 10.a4 h6 11.a5 g5 12.Bc1 f5 13.ef5 Bf5 14.Nbd2 Nf6 15.Ne4 Ne4 16.de4 Bg6 17.h3 Rf8 18.Bd3 Ng8 19.Bd2 Nf6 20.0-0-0 Nh5 21.Rde1 Nf4 22.Bf4 Rf4 23.Nh2 Qf6 24.Ng4 Qg7 25.f3 Kd7 26.Ref1 Raf8 27.Nh2 Bf7 28.g3 Rf6 29.Ng4 Rg6 30.h4 h5 31.Nf2 gh4 32.g4 Rf6 33.Nh3 hg4 34.fg4 Be6 35.Nf2 Qg8 36.Rh4 R6f7 37.b6 ab6 38.ab6 Qg5 39.Kb2 Qh4 40.Qa4 Kc8 41.Qa8 Bb8 42.Qb8 Kb8 43.Rh1 Qf2 0–1. olawoj – turgi1, internet, 2014.

6.d3 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Be2 f5 11.Nf3 (11.Nh3 Nf6=+) 11...Nf6 Black prepares the advance e4 12.0-0 0-0 13.Re1 (13.ed4!? ed4 14.Bb2=+) 13...e4–/+ 14.Nfd2 (14.Ng5!? de3 15.de4 ef2 16.Kf2 Ng4 17.Bg4 fg4 18.Kg1–+) 14...de3–+ 15.fe3 ed3 16.Bd3 (16.Bf1 Ng4 17.Nf3 Qc7–+) 16...Bh2! 17.Kh2 Qd3 (17...Ng4 18.Kg1 Qd3 19.Qe2–+) 18.Bf6–/+ Rf6 19.Qe2 Rd6 20.Qd3 (20.Nf3 Nd7–/+) 20…Rd3 0–1. rcm06 (2130) – djinnocide (2315), gameknot.com, 2017.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Nf3 Ne7 11.Be2 0-0 12.0-0 Qc7 13.h3 f5 14.Qb3 Be6 15.Nbd2 Nd7 16.e4 f4 17.Ng5 Bf7 18.Nf7 Rf7 19.Bg4 Rf6 20.Bb2 g6 21.Ra1 h5 22.Bd7 Qd7 23.Ra7 Kh7 24.Qa4 g5 25.Qa6 ba6 26.Rd7 ab5 27.cb5 Kg6 28.Nc4 Nc8 29.Rd8 Ne7 30.Rd6 (30.Rd6 Rd6+–) 1–0. RichardSommer (2085) – flying_pig (2075), lichess.org, 2020.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Be6 10.e4 (10.Be2 Nh6=) 10...g6 (10...Bd6 11.Be2+=) 11.Be2= Bg7 12.Nf3 (12.Nd2 Ne7=) 12...Ne7 13.0-0 (13.Nbd2 0-0=) 13...0-0 14.Qa4 (14.Nbd2 Qd6=) 14...Nd7 15.Qa7 (15.Nbd2 Nb6 16.Qc2 Qd6=) 15...Qc7 (15...Qa8 16.Qa3 Qa3 17.Na3 Nb6+=) 16.b6? (better is 16.Nbd2!?+=) 16...Qb6–/+ 17.Qa2 Qc7 (17...Nc6 18.Nbd2–/+) 18.Qc2 (18.Nbd2 Nc6–/+) 18...b6 (18...Ra8 19.Nbd2–/+) 19.Nbd2 (19.Na3 Qc6–/+) 19...Nc6 (19...Ra8 20.Bb2–/+) 20.Nb3 (20.Bb2 Ra8–/+) 20...Nb4–+ 21.Qd2 (21.Qb1 b5 22.cb5 Rb8–+) 21...Ra8 (21...b5 22.Rb1–+) 22.Bb2 (22.Qd1 Ra2–+) 22...Ra2 (22...b5!?–+) 23.Ra1 Qa7 24.Ra2 (24.Rb1 b5 25.Nc1 Ra5 26.cb5 Rb5–/+) 24...Qa2–+ 25.Bc1?? (better is 25.Nc1 Qb1 26.Kh1–+) 25...Qb3 26.h3 (26.Bf1 Na2–+) 26...Qc2 (better is 26...f5–+) 27.Bd1 (27.Qc2 Nc2 28.Kf1–+) 27...Qd2 28.Bd2 Nc6 29.Ba4 Ndb8 30.Bb5 Kf7 31.Ne1 Ke7 32.Nc2 Kd6 33.f4 Bc8 34.g4 Na6 35.f5 Nab4 36.Nb4 Nb4 37.Bb4 cb4 38.Ba4 Bd7 39.Bb3 Kc5 40.Kf2 g5 41.Ke2 b5 42.Kd2 bc4 43.Bc4 Ba4 44.Bg8 h6 45.Kc1 Bf8 46.Kb2 Bd6 47.Bb3 Bb3 48.Kb3 Kb5 49.Kc2 Ka4 50.Kb2 b3 0–1. stoker – drgib8, Live Game Caissa's Web, 2005.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Nh6 10.Be2+=.

7.a4 Bd6 8.Nf3 +=.

7.ba6 Ra6 8.Be2 de3 9.fe3 Bf5 =.

7.ed4 cd4 8.a4 ab5 9.cb5 Bb4 10.Nd2 Ne7 11.Ngf3 Nd5 12.Ba3? (better is 12.Be2!?–/+) 12...Nc3–+ 13.Qb3 Ra4 14.Bb2 Ra1 15.Ba1 Qa5 16.Bb2 Qb5 17.Be2 Nc6 (17...Ne2?! 18.Ke2 Bd7 19.Rc1–+) 18.Ba3 (18.Qc2 Qa4 19.Qc1 Be6–+) 18...Bf5 (18...Ba3 19.Qa3 Nb4 20.Kf1 Nd3 21.Ne1 Ne2 22.Ne4 Ng3 23.Ng3 Nf4 24.Kg1–+) 19.Bb4 (19.Nh4 Bd3 (worse is 19...Ne2 20.Bb4 Bg4 21.Ba3–+) 20.Qe6 Kd8–+) 19...Nb4 (worse is 19...Qb4 20.Nh4 Qb3 21.Nb3–+) 20.Nh4 Bd3 21.Qe6 Kd8 22.Qd6 Kc8 23.Nf5 (23.Bg4 f5! 24.Qe6 Kb8–+) 23...Re8 24.Ne7 Re7! 25.Qe7 Be2 26.Qf8 Kc7 27.Qg7 (27.Qf7 Kb6 28.Qe6 Ka7 29.Nc4 Bc4 30.Qh3 Bf1 31.Qf3 Nd3 32.Qd3 Qd3 33.Rf1 Qe2) 27...Kb6 28.Qf6 Ka7 29.Nf3 (29.Nc4 Qc4 30.Qf5 Nd3 31.Qd3 Qd3 32.f3 Qe3 33.f4 Bd3) 29...Nd3 30.Kd2 Qb2 0–1. Yeung,Chun Keung (1740) – Selschotter,Jan, corr WS/O/082 ICCF, 2006.

6.d3 Bd6

7.Be2 Be6 (7...a6 8.Qa4=+) 8.Nf3 (8.Bh5 g6 9.Bf3 Qc7=) 8...Ne7 9.0-0 0-0 10.Nbd2 Nd7 (10...a6 11.Qa4=) 11.Nb3 (11.Ne4 Qc7=) 11...Qc7 12.e4 (12.Qc2 a6 13.a4 b6=+) 12...f5 (12...a6 13.ba6 Ra6 14.a3=+) 13.ef5 (13.Ng5 Rf6=) 13...Nf5 (13...Bf5 14.Nh4=+) 14.a4 (14.Ng5 Rae8=) 14...Rf6 (14...Nf6 15.a5=+) 15.a5 Raf8 16.Ng5 (16.Nbd2 Rg6=) 16...Bf7 (better 16...e4!? 17.g3 e3 18.Ne6 Re6=+) 17.Ne4+= Rh6 (17...Re6 18.a6 b6 19.Bh5+=) 18.Bc1 Re6 19.Bg4 Bg6 20.Ng3 (20.a6 b6+=) 20...Ree8 (20...e4 21.de4 Bg3 22.hg3 Re4 23.Bf4=) 21.Bf5= Bf5 22.Nf5 Rf5 23.Qg4 Ref8 (23...g6 24.Bg5=) 24.Qe4 g6 (24...R5f7 25.a6 b6 26.Bg5+=) 25.Bh6 (25.a6 b6 26.Bh6 R8f7=) 25...R8f7= 26.Nc1 (26.h3!?=) 26...Nf6=+ 27.Qe2 Rh5 (27...e4 28.h3=+ (28.de4?? Bh2 29.Kh1 Rh5–+)) 28.Bd2 e4 29.g3 (29.h3 Re7=+) 29...Re7–/+ 30.Qd1? (30.a6 b6–/+) 30...e3 (30...Qd7!? 31.f4 Qh3 32.Qe2–+) 31.fe3 (31.b6 Qc8 32.fe3 Qh3–/+) 31...de3 (better 31...Bg3 32.Rf6 Bh2 33.Kf1 Be5–+) 32.Rf6? (better 32.Be1–/+) 32...ed2–+ 33.Qd2 (33.Ne2 Be5 34.Rf2–+) 33...Be5 34.b6 ab6 35.ab6 Qc8 (35...Qc8 36.Rf2 Ba1–+) 0–1. tsodikovich (1820) – jacamabe (1780), gameknot.com, 2017.

7.e4 Ne7 8.Nd2 0-0 9.g3 b6 10.Bg2 Bb7 11.Ne2 a5 12.0-0 f5 (12...Nd7 13.Re1=+) 13.ef5= Bg2 14.Kg2 Nf5 15.Ne4 Bc7 16.Bc1 Nd7 17.Bg5 Qe8 18.Ng1 h6 19.Bd2 Qg6 20.Qe2 Rf7 21.Rae1 Raf8 22.Kh1 Nf6 23.Nf6 Rf6 24.Qe4 (24.a3 Qf7=+) 24...Qf7 25.Qg2 Nd6 26.f3 (26.f4 Nf5-/+) 26...Nf5 (26...e4!? 27.de4 Nc4-/+) 27.Nh3=+ g5 (27...a4!?=+) 28.Nf2= Qg6 29.Ne4 R6f7 30.Kg1 Nd6 31.Nf2 (31.a3 Qh5 32.g4 Qg6=) 31...Nf5 (better 31...Rf3!? 32.Qh3 Kg7-/+) 32.Re2 h5 Black prepares the advance g4 (32...Ng7 33.Ne4=) 33.Rfe1 (33.Ne4 Bd8+=) 33...Ne3 Black intends g4 (better 33...Ng7!?=+) 34.Be3+= de3 35.Re3 g4 36.Ne4 gf3 37.Qf2 h4 38.Kh1 hg3 39.Qg3 (39.hg3?? Rh7 40.Qh2 f2 41.Qh7 Qh7 42.Kg2 fe1R 43.Re1 Qf5-+) 39...Qg3 40.hg3 f2 (better 40...Kg7=) 41.Rf1+/- Rf3 42.Rf3 Rf3 43.Nf2 (better 43.Rf2!? Rf2 44.Nf2+-) 43...e4 44.de4 Bg3 45.Kg2 Ra3 46.Ng4 Bh4 47.Nh6 Kh7 48.Nf5 Bg5 (48...Ra2!? 49.Kf3 Bg5+=) 49.Rf2+- Rc3 50.Nd6 Bh4 (50...Kg6 51.e5+-) 51.Re2 Rg3 52.Kh1 Rc3 53.e5 Be7 (53...Kg8 54.Kg2+-) 54.Nf5 (54.Nc8!? Bd8+-) 54...Bf8 55.e6 Rc4 56.e7 Be7 57.Ne7 (57.Re7 Kg6 58.Nd6 Rc1 59.Kg2 Kf6+-) 57...Rb4 58.Nd5 (58.a4 Ra4 59.Re6 Ra1 60.Kg2 a4+/-) 58...Rb5+/- 59.Kg2 c4 60.Nc3 Rb4 (60...Rg5 61.Kf3 b5 62.Ne4+=) 61.a4 (61.Kf3 a4+-) 61...b5 62.ab5 a4 (62...Rb3 63.Rc2 a4 64.Kf3+-) 63.Rc2 (63.Re7 Kg6 64.Re6 Kf5+/-) 63...a3+/- 64.Kf2 Kg6? (64...Rb3 65.Ke3 a2 66.Ra2 Rc3 67.Kd4 Rc1+-) 65.Ke3 Kf5 66.Kd4 Ke6 67.Kc5 Kd7 (67...Rb2 68.Rb2 ab2 69.Kc4 Kd7+-) 68.Rd2 (68.Rd2 Kc8 69.Kb4+-) 1-0. opperwezen (2805) - mecker (2330), lichess.org, 2017.

6.d3 Be6

7.ed4 cd4 8.Nf3 a6 9.a4 Nh6 10.Be2 Nd7 11.0-0 Bc5 12.Nbd2 0-0 13.Ne4 Nf7 14.Nc5 Nc5 15.Ba3 b6 16.Bc5 bc5 17.Nd2 f5 18.Bf3 Ra7 19.Nb3 Qc7 (19...Qd6 20.Qc2=) 20.Rb1 (20.a5!? Qd6 21.b6+=) 20...ab5= 21.ab5 e4 22.Be2 Rb8 23.Nd2 Ne5 (better is 23...Nd6!?+=) 24.de4+= fe4 25.Ne4 Bc4 26.Bc4 Nc4 27.Qb3 Qf7 28.Rfc1 (worse is 28.Nc5 Nd2 29.Qf7 Kf7+=) 28...Ne5 (28...Na3 29.Qg3 Raa8= (29...Rb5?? 30.Rb5 Nb5 31.Qb8 Qf8 32.Qb5+–)) 29.Qf7+/– (29.Rc5?? Qb3 30.Rcc1 Qd5–+) 29...Nf7 30.Rc5 d3 31.Rd5 Ra3 32.h3 h6 33.Nc5 Ng5 (33...Rd8 34.Rd8 Nd8 35.b6+/–) 34.Nd3 (better is 34.h4!? Nh7 35.Nd7 Rb7+–) 34...Ne4 35.Rd7 Nc3 36.Rb2 (36.Re1 Rb5 37.Ree7 Rg5+–) 36...Rb5+/– 37.Rb5 Nb5 ½–½. mr5reasons1 (1660) – wwgia (1680), gameknot.com, 2012.

7.e4 Bd6 8.Ne2 Nd7 (8...Ne7 9.Ng3-/+) 9.g3 Qe7 (9...a6 10.ba6 Ra6 11.Bg2=+) 10.f4 (10.Bg2 h5=+) 10...0-0-0 (10...ef4 11.Nf4 Bf4 12.gf4=+) 11.f5= Bf7 12.a4 (12.Bg2 Bh5=) 12...g6=+ 13.g4 (13.Bg2 gf5 14.ef5 h5=+) 13...gf5 (better 13...Nh6 14.Ng3 Kb8=+) 14.ef5? (14.gf5 h5=+) 14...h5 (better 14...e4!? 15.b6 a6-+) 15.Ng3-/+ hg4 16.Qg4 Bh5?? (better 16...e4 17.Ne4 Nh6-/+ (worse 17...Rh2 18.Rh2 Bh2 19.Nbd2=+)) 17.Nh5+= Nh6?? (17...e4 18.Kf2 Ne5=+) 18.Qf3 (18.Qe4!? Rdg8 19.Be2 Nf7+-) 18...Rdg8 (better 18...e4!? 19.de4 Nf5 20.Qf5 Rh5+/-) 19.Ng3+- Ng4 20.Bg2 Ne3? (better 20...e4 21.Ne4 Bh2+/-) 21.Qb7 Kd8 22.Bc6 (22.Bd5 Nc2 23.Kd1 Ne3 24.Kd2 Nd5 25.Qd5 Nb6+-) 22...Qh7 (22...Nc2 23.Ke2+-) 23.Qa8 (better 23.Qa7 Nc2 24.Kd1 Na1 25.Ba1+-) 23...Ke7 (23...Nb8 24.Na3 Qh4+-) 24.Qa7 Rd8 25.Qb7 (25.Na3 e4 26.Ne4 Ng2 27.Kd2 Bb8+-) 25...Qh3 26.Nd2 Qg2 (26...Nc2 27.Kd1 Na1 28.Ba1 Qg4 29.Bf3 Qg5+-) 27.Nde4 (better 27.Bg2 Rb8 28.Qc6+-) 27...Nc2 28.Kd1 Ne3 29.Kc1?? (better 29.Ke1 Qb2 A) 30.Nd6? Qa1 31.Kf2 Qb2 32.Ne2 Ng4 33.Kf1 Qd2 (worse 33...Kd6 34.Bd7 Rd7 35.Qc6 Ke7 36.Qe6 Kd8 37.Qb6 Ke8 38.Qe6 Re7 39.Qc8 Kf7 40.Qh8 Qb1 41.Kg2 Ne3 42.Kf2 Qh1 43.Qh5 Kg8 44.Qg6 Kf8 45.Qf6 Ke8 46.Qg6 Kd7 47.Qg1 Qg1 48.Kg1-+) 34.Nc8 Kf8-+; B) 30.Rd1 Nd1 31.Bd7 Rd7 32.Qd5=) 29…Qc2 0-1. ClayPigeons (2170) - mehdi58 (2170), Rated Bullet game, lichess.org, 2021.

7.Nf3 Bd6 8.a4 Ne7 9.Ba3 (9.Be2 Nd7=) 9...b6 (9...de3 10.fe3 a6 11.d4=+) 10.Be2 0-0 11.0-0 Nd7 (11...a6!?=+) 12.ed4+= ed4 13.Nd4 cd4 (13...Bh2!? 14.Kh2 cd4+=) 14.Bd6+– Rf7? (better 14...Ne5!? 15.Ba3 Re8+–) 15.Bf3 Rc8 16.a5 (better 16.Bb7!? Ne5 17.Bc8 Nc8 18.Be5 fe5+–) 16...Nc5 17.Be7 (17.ab6 Qb6 18.Bc5 Qc5+–) 17...Qe7 (17...Re7 18.ab6 ab6 19.Bc6+–) 18.ab6 ab6 19.Bc6 (19.Re1 Qd6+–) 19...Bf5 (19...Qc7 20.Qf3+–) 20.Re1 Qc7 21.Bd5 (21.Qf3 Bd3 (21...Nd3? 22.Qf5 Ne1 23.Ra7+–) 22.Bd5 h6+–) 21...Kf8 (21...Nd3!? 22.Rf1 Nc5 23.Bf7 Qf7+–) 22.Bf7+– Kf7? (22...Qf7 23.Qf3 Qg6 24.Ra8 Nd3 25.Re2+–) 23.Nd2 (23.Qh5!? Bg6 24.Qd5 Kf8+–) 23...Nd3 24.Re2?? (better 24.Qh5!? Bg6 25.Qd5 Kf8 26.Ra7 Qa7 27.Qd6 Kg8 28.Qe6 Qf7 29.Qc8 Qf8 30.Qf8 Kf8 31.Re6+–) 24...Bg4 (better 24...Nf4!?=) 25.f3+– Bf5 26.Ne4 Qc4?? (better 26...Be4 27.Re4 Qc4+–) 27.Nd6+– Kg6 28.Nc4 Rc4 29.Ra6 (better 29.g4 Ne5 30.gf5 Kf5 31.Re5 Ke5+–) 29...Nc5 Black prepares d3 (29...Rc1 30.Re1 Rd1 31.Rd1 Nf4+–) 30.Rb6 d3 (30...Na4 31.g4 Nb6 32.gf5 Kf7 33.Re6+–) 31.Re7 (31.Re7 Rc2 32.g4+–) 1–0. RichardSommer (1965) – Florin79 (1955), lichess.org, 2020.

7.f4 Qa5 8.Qd2 Qd2 9.Kd2 de3 10.Ke3 ef4 11.Kf4 Bd6 12.Kf3–/+.

7.f4 Nd7 8.Qf3 (8.Qh5 g6 9.Qf3 Bd6+=) 8...Bd6 (8...Qa5!? 9.Kf2 de3 10.Qe3 Bd6+=) 9.f5 Qa5 10.Bc3 dc3 (10...Qc3 11.Nc3) 11.fe6 Nb6 12.Ne2 (better is 12.Qb7!? c2 13.Nd2+=) 12...c2+= 13.Nd2 Rd8 (13...0-0-0!?+=) 14.Qb7= The mate threat is Qf7 14...Ne7 15.Qa6 (better is 15.Qf3=) 15...Qb4?? (15...Qa6!? 16.ba6 Nf5+=) 16.Nc1 (16.Qa7 Rb8+/–) 16...e4? (16...Qc3 17.Qa7 Qa1–+) 17.Ncb3?? (17.Qa7 Qc3 18.Qb6 Qa1 19.Ndb3 Qc3 20.Kf2–/+) 17...Be5?? (17...Qc3!? 18.Rc1 ed3 19.Qa5 Qa5 20.Na5–+) 18.a3–/+ Qc3 19.Rc1 ed3 20.Qa5 (20.Qa7!? Nc4 21.b6–+) 20...Nc4–+ 21.Qc3? (better is 21.Qa7 Nd2 22.Nd2–+) 21...Bc3 22.g3 Nd2 (22...Nd2 23.Nd2 Bb2 24.Bd3 Bc1–+) 0–1. Sternik,Ryszard – Plesiuk,Andrzej, Olsztyn Poland, 1989.

7.Qh5 g6 8.Qf3 Qb6=.

6.Bd3 b6??

7.Be4 Na6 8.Ba8 Nb4+-.

7.Qh5 Ke7 8.Be4 Na6 9.Ba8 Nb4 10.Be4+-.

7.Qh5 Ke7 8.Be4 g6 9.Qd1 Qc7 (9...Nc6 10.Bc6 Rb8 11.f4+-) 10.Ba8 Bb7 11.Bb7 Qb7 12.Qf3 e4 (12...Qf3 13.Nf3 Ke6 14.d3+-) 13.Qg3 1-0. zembelek (2095) - Atheist_Rap (1935), Rated Blitz game, lichess.org, 2013.

7.Qh5 Ke7 8.Be4 Nh6 9.Ba8 g6 (9...Bg4 10.Qh4 Na6 11.Be4+–) 10.Qf3 Bg4 (10...Kf7 11.Na3+–) 11.Qb7 Nd7 12.Qa7 Nf5 (12...Bg7 13.Bc6+–) 13.h3 de3 (13...Ne3 14.fe3 Be6 15.ed4 ed4 16.Na3+–) 14.hg4 ef2 15.Kf2 Nd4 16.Nc3 Kf7 17.Bc6 1–0. DEFFM – GuestBimbolino, freechess.org, 2019.

7.Qh5 g6 8.Qf3 de3 9.Be2 ef2 10.Kf2+-.

6.Bd3 Bd6

7.Qc2 Ne7 8.Nf3 (8.Bh7? f5 9.Bf5 Bf5–+) 8...Nd7 (8...f5 9.e4 0-0 10.ef5 Bf5 11.Bf5 Nf5 12.Qe4=) 9.0-0 (9.Bh7 Nf8 10.Bd3 g5+=) 9...Qc7 (9...g6=) 10.g3 (10.Re1!?=) 10...f5 11.Bf5 Nf5 12.Qf5 Nf6 13.Qc2 0-0 14.ed4 ed4 15.d3 Ng4 (15...a6 16.ba6 ba6 17.Nbd2+=) 16.Nbd2= b6 17.Rae1 Bb7 18.Qd1 a6 (18...Qf7 19.Ne4=) 19.a4 (19.Nd4!? Nf2 20.Rf2 Bg3 21.Rf8 Rf8 22.Nc6 Bc6 23.bc6 Bf2 24.Kh1 Be1 25.Qe1 Qc6 26.Ne4=) 19...ab5= 20.ab5 Ra2 21.Bc1 Ba8 (21...Qf7 22.Ng5 Qh5 23.h3 Qg5 24.Ne4= (worse is 24.hg4 Qh6 25.Ne4 Qh3–/+)) 22.Ne4 Nh2 (22...Be4!? 23.Re4 Qd7=) 23.Kh2+/– Be4 (23...Bg3 24.Ng3 Bf3 25.Qb3+=) 24.Re4 (24.de4 Bg3 25.Kg2 Bf2 26.Rf2 Rf2 27.Kf2 Qh2 28.Kf1 Qh1 29.Kf2 Qh2 30.Kf1 Qh1 31.Kf2 Qh2=) 24...Bg3+/– 25.Kg2 Bh4?? (better is 25...Bf2 26.Rf2 Rf2 27.Kf2 Qh2 28.Ke1 Qh1 29.Kd2 Qd1 30.Kd1 Rf3+/–) 26.Nh4+– 1–0. algernon (2155) – thefrench (2585), net–chess.com, 2003.

7.Qh5+= Kf8 8.Ne2 Qe7 9.Ng3 Nh6 10.0-0 Bg4 11.Qh4 Be6 12.Re1 Qf7 13.Na3 Nd7 14.f3 f5= 15.Ne2 Kg8 16.Rac1 Rf8 17.Bb1 f4 18.ef4 ef4 19.Qg5 Bf5 20.Bf5 Qf5 21.Qf5 Nf5 22.Rcd1 Re8 23.Nc1 Kf7 24.Nd3 g5 25.Re8 Re8–/+ 26.Re1 Re1 27.Ne1 Ne5 28.Kf2 Ke6 29.Ke2 Bc7 30.d3 h5 31.Nb1 Ba5 32.Nd2 Bd2 33.Kd2 Ne3 34.h3 Ng6 35.Ke2 Nh4 36.Ba3 b6 37.Kf2 Nd1 38.Kf1 Nf5 39.Nc2 Nde3 40.Ne3–/+ fe3 41.Bc1 Ng3 42.Ke1 h4 (42...h4 43.Bb2 Ke5–/+) 0–1. Skaug,Thorbjoern – Brinkmann,Wilhelm, corr ICCF TT–4–90, 1990.

7.Qh5+= Kf8 8.f4 de3!? 9.de3 ef4 10.ef4 Qe7 11.Ne2 Nh6+=.

7.Qh5+= Kf8 8.f4 Be6 9.fe5+= fe5 10.Qf3 Nf6 11.Qb7 Nbd7 12.Ne2 (better 12.Nf3+/-) 12...e4=+ 13.Be4 Ne4?? (13...Rb8 14.Qa7 Ne4 15.0-0 Ke8-+) 14.Qe4+/- Bc4 15.ed4 Be2 (15...Nf6 16.Qf3+/-) 16.Ke2 Nf6 17.Qf3 Qe7 (17...c4 18.d3 cd3 19.Kd3+-) 18.Kd1 Re8 (18...Rc8 19.dc5 Rc5 20.a4+-) 19.dc5 Bc5 20.Bf6 (20.Rf1 Kg8+-) 20...gf6 (20...Qf6 21.Qf6 gf6 22.Nc3+-) 21.Nc3 Kf7 (21...Bd4 22.Rf1+-) 22.Kc2 (better 22.Rc1 Qe5 23.Nd5+-) 22...Rhg8?? (22...Rc8+-) 23.Rae1! Qc7 (23...Qe1 24.Qh5 Double attack) 24.Qh5 Rg6 (24...Kg7 25.Re8 Re8 26.Qe8+-) 25.Qh7 Rg7 26.Qh5 Rg6 27.Re8 (27.Re8 Ke8 28.Qg6 Kd8 29.Nd5+-) 1-0. zembelek (2090) - Knopp_the_rude (1930), Rated Blitz game, lichess.org, 2014.

7.Qh5+= Kf8 8.f4 ef4 9.ed4+/- Qe7 (9...cd4 10.Nf3 Nd7 11.Bd4 Ne5+=) 10.Kd1 (10.Ne2!?+/-) 10...Nh6+= 11.h3 cd4 12.Bd4 Be5 13.Nf3 Nd7 (13...Bd4 14.Nd4 Qe5 15.Qe5 fe5 16.Nf3+=) 14.Nc3 (14.Re1 Qf7 15.Qf7 Nf7+=) 14...Bd4+= 15.Nd4 Qe5 16.Qe5 fe5 17.Ne6 Kf7 18.Nc7 (18.Ng5 Kg8+/-) 18...Rb8+= 19.Ne4 Nf6 20.Ng5 Ke7 21.c5 (21.Re1 b6+=) 21...Nf7 (21...Rd8 22.Bb1 Nd5=+) 22.Nf3?? (better 22.Nf7 Kf7 23.Re1+/-) 22...Kd7-/+ 23.b6 ab6 24.cb6 Kc6 (24...e4 25.Bb5 Kd6 26.Ng1-/+) 25.Rb1 (better 25.Bc4 e4 26.Bf7 ef3 27.gf3 Kb6 28.Nd5 Nd5 29.Bd5=) 25...Nd6?? (better 25...e4 26.Nd4 Kc5 27.Nce6 Be6 28.Ne6 Kd6=+) 26.Ne5+- Kc5 27.Ke2 Bd7 (27...f3 28.Nf3 Nf7+-) 28.Rhc1 Kd4 (28...Nc4 29.Rc4 Kd6 30.Nf7 Ke7 31.Nh8 Rh8 32.Rf4 Bc6+-) 29.Nf3 1-0. zembelek (2085) - darewing (1995), Rated Blitz game, lichess.org, 2013.

7.Qh5+= g6? 8.Bg6!+– hg6 (8...Kf8 9.Be4+– (9.Bh7? Qe7–+)) 9.Qh8 Kd7 (9...Be6 10.Qg7+–) 10.Qg7 Ne7 11.Nf3 (better 11.Qf6 Kc7 12.Na3+–) 11...f5?? (11...Kc7 12.d3 Bf5+–) 12.Ne5 Be5 13.Qe5 Qc7 (13...d3 14.e4 Ke8 15.0-0 fe4 16.Nc3+–) 14.Qg7 Qd6 (14...de3 15.de3 Qb6 16.Bf6+–) 15.0-0 b6 (15...d3 16.Bf6 Qe6 17.Qf8+–) 16.ed4 cd4 (16...Kd8+–) 17.Re1 Bb7 18.Ba3 Nbc6 19.bc6 Bc6 (19...Kc6 20.Bd6 Rc8 21.Re7 Re8 22.Qe5 Re7 23.Qe7 a6 24.Qc7) 20.Bd6 Kd6 (20...Kc8 21.Re7 Bd7 22.Re8 Kb7 23.Qd7 Ka6 24.Ra8 Ka5 25.Ra7) 21.Qe7 1–0. GuestYZYP – GuestYCMV, freechess.org, 2020.

6.Bd3 de3?

7.de3+– a6 8.Qc2 ab5 9.cb5 Ne7+–.

7.de3+– b6?? 8.Be4 Qd1 (8...Be6 9.Qd8 Kd8 10.Ba8 Bc4 11.Nc3+–) 9.Kd1 Be6 10.Nd2 a6 (10...Nh6 11.Ba8 Nf5 12.Bd5+–) 11.Ba8 ab5 12.cb5 Bd6 13.a4 Ne7 14.a5 Bc7 (14...ba5 15.Ra5 Bc7+–) 15.a6 Nd7 (15...Na6 16.ba6 Kd7 17.Be4+–) 16.a7 0-0 (16...Nc8 17.Bc6 Na7 18.Ra7+–) 17.Be4 Bd5 18.Bd5 Nd5 19.a8Q (19.a8Q Ra8 20.Ra8 Bb8 21.Nc4+–) 1–0. DEFFM – GuestSBFN, freechess.org, 2020.

7.de3+– Bd6 8.Qh5+– Kd7? (better 8...Kf8!?+–) 9.Nc3 Ne7 (9...Ke7 10.Nf3+–) 10.Ne4 Qe8 (10...Kc7 11.Rd1+–) 11.Qg4 (better 11.Qf3 f5 12.Nd6 Kd6+–) 11...Kc7 12.Qg7 Qg6 (12...Nd7 13.g4 Rg8 14.Qh7 Rg4 15.Nd6 Kd6+–) 13.Qh8 Qg2 (13...Bf5 14.Nd6 Bd3 15.Ne8 Kb6 16.Nf6 Bc4 17.Qd8 Kb5+–) 14.Qf6 Qh1 15.Qd6 1–0. GuestVZPY – GuestZTLV, freechess.org, 2020.

7.de3+– Nh6 8.Qc2 Bd6 9.Nf3+–.

6.Bd3 Be6

7.Qc2 Ne7 8.f4 = (8.Bh7? f5–+).

7.Qc2 g6 8.Ne2 (8.Nf3 a6=) 8...Bg7 (8...f5 9.ed4 cd4 10.f4=) 9.Ba3 (9.f4=) 9...b6?? (better is 9...f5 10.ed4 cd4–/+) 10.Be4+/– Nd7 (10...d3 11.Qb3 Nd7 12.Qd3+=) 11.Ba8 Qa8 12.0-0 Ne7 (12...d3 13.Qd3 e4 14.Qb3+/–) 13.Bb2 (13.d3 Nf5 14.ed4 cd4+–) 13...f5 (13...a6 14.ba6 Qa6 15.Na3+/–) 14.d3+– Nf6 (14...de3 15.fe3 0-0 16.Na3+–) 15.Nd2 (15.ed4 cd4 16.Re1 Bc8+–) 15...0-0 (better is 15...de3!? 16.fe3 Ng4+–) 16.ed4 ed4 17.f4 (better is 17.Rae1 Nh5 18.Nf3+–) 17...Ng4+/– 18.Nf3 (better is 18.Rf3!?+/–) 18...Ne3= (18...Ne3 19.Qd2 Nf1 20.Rf1 Re8=). Istvanny – conscrea (1740), internet, 2007.

7.ed4 cd4 8.Qh5 Bf7=.

7.ed4 ed4 8.Ne2 Nh6 (8...Nd7 9.Nf4 Ne5 10.0-0 Nd3 11.Nd3 Bc4 12.Re1 Kf7 13.Nc5=) 9.0-0 (9.Nf4 Bg4 10.Be2 Qc8=) 9...Bd6= 10.Re1 Qd7 11.Qc2 g6 12.Ng3 Kf7 (12...f5 13.Be2=) 13.Ne4+= Nf5 14.Nd6 Nd6 15.Na3 Qc7 16.Re2 Nd7 17.f4 (17.Rae1 Rhe8=) 17...Bg4 18.Ree1 Rae8 19.Qa4 Nb6 20.Qa5 (20.Qa7?? Ra8 21.Qa8 Ra8–+) 20...Be6 Will c4 fall? (20...Nd5 A) 21.Qa7? Nb6–+ (21...Nf4?! 22.Re8 Re8 23.Bf1–+); B) 21.Qc7 Nc7 22.h3+=) 21.Be2= (21.Qa7?? Ra8 (21...Bc4?! 22.Nc4 Nbc4 23.Bc4 Nc4 24.Ba3+=) 22.Qa8 Ra8–+) 21...Qb8 22.d3 Nf5 23.Nc2 Qc7 (23...Re7 24.Qd2=) 24.g3 (24.Bf3 Nh4 25.Bd1 Bf5+=) 24...h5 25.Bf3 (25.Qa7?? Ra8 26.Qa8 Ra8–+) 25...Re7 26.Re2 (26.Qd2=) 26...g5 (better is 26...Nc4 27.Qc7 Rc7 28.dc4 Bc4+=) 27.fg5+/– fg5 28.Rf1 (28.Qa7 Ra8 29.Qb7 Qb7 30.Bb7 Rb7–/+) 28...Kg7 (28...Kg6 29.Be4+– (worse is 29.Qa7 Ra8 30.Qb7 Qb7 31.Bb7 Ra2+=)) 29.Qa7 (better is 29.Bc1 Kh6 30.Rfe1+–) 29...Ng3? (better is 29...g4 30.Bb7! Ra8 31.Qb6 Qb6 32.Ba8 Bc8 33.Re7 Ne7+/–) 30.hg3+– Ra8 31.Nd4! cd4 (31...Qg3 32.Rg2 Ra7 33.Ne6 Kh6 34.Bg7 Rg7 35.Rg3 g4 36.Ng7 Nd7+–) 32.Bd4 Kh6 (32...Kg8 33.Qb6 Qb6 34.Bb6+–) 33.Qb6 Qg3 (33...Qb6 34.Bb6 Rae8+–) 34.Rg2 (34.Rg2 Qf4 35.Bd5 Qf1 36.Kf1+–) 1–0. GuestGSGR – GuestSKMX, freechess.org, 2017.

7.ed4 ed4 8.Be4 Qc7 (8...Qe7 9.Qe2 Bc4 10.d3=+) 9.d3 (9.Qh5 Kd7=) 9...Bd6 10.g3 (10.Qh5 Kd8=) 10...Nd7 11.Ne2 Ne7 12.0-0 0-0 13.Nd2 Rae8 14.Bg2 b6 (14...Bf5 15.Qb3 Rf7 16.Rfe1=) 15.Ne4= Be5 16.f4 (16.Re1 Ng6=) 16...Bd6=+ 17.Nd6 Qd6 18.a4 Nf5 19.Bc1 Bf7 20.a5 Ne3 21.Be3 Re3 22.ab6 ab6 23.Rf3 Bg6 (23...Qe7 24.Re3 Qe3 25.Kf1=+) 24.Re3= de3 25.Be4 Bh5 26.Qc2 Re8 27.Bd5 Bf7 28.Be4 Bh5 29.Nc3 Qd4 30.Kg2 g6 (30...Kh8 31.Re1=) 31.Re1 f5 (31...Kg7 32.Bc6+=) 32.Bd5 (32.Bc6 Rd8+=) 32...Kg7 (32...Kf8 33.Bc6 Re6 34.Nd5=) 33.Ne2 (33.Bc6 Re6=) 33...Be2= 34.Qe2 Nf6 35.Bc6 Ng4?? (better 35...Re7=) 36.Be8+- Nf2 (36...Kh6 37.Kf1+-) 37.Rf1 (better 37.Qe3 Qe3 38.Re3 Nd1+-) 37...Nd3 38.Rf3 Qe4 (38...Qc4 39.Re3 Qd5 40.Kh3 c4 41.Re7 Kh6+-) 39.Qe3 (better 39.Bc6 Qc4 40.Re3 Nf4 41.gf4 Qf4 42.Qb2 Qd4 43.Re7 Kh6 44.Qc1 f4 45.Re4+-) 39...Qc4?? (better 39...Ne1 40.Kf2 Nf3 41.Qe4 fe4+=) 40.Qd3 Kh6 (40...Qe4 41.Bc6 Qe7+-) 41.Qc4 (41.Qc4 Kg7 42.Qf7 Kh6 43.Qf8 Kh5 44.Qg7 c4 45.Qh7 Kg4 46.Qg6) 1-0. zembelek (2045) - msda (1990), Rated Blitz game, lichess.org, 2014.

7.ed4 ed4 8.Nf3 Bd6 9.0-0 Qc7 (9...Nd7!? 10.Re1 Qe7+–) 10.Re1+– Qf7?? (better 10...Kf7 11.Qe2 Bd7+–) 11.Qe2 (better 11.Bf5! Qc7+–) 11...Kd7 12.Qe4 a5 (12...Nc6 13.bc6 bc6+–) 13.Qb7 (13.Qb7 Ke8 14.Qa8+–) 1–0. GuestNBFV – jamique, freechess.org, 2020.

7.Be4 Bc4 8.Bb7+= Nd7 9.Ba8 Qa8 10.f3 Bb5 11.Na3 Bc6 12.e4 Nb6 13.Qb3 Qc8 14.Nc4 Qa6 15.Nb6 ab6 16.Rc1 Ne7 17.h3 Ba4 Black gets deadly initiative 18.Qe6 Bd7 19.Qc4 (19.Qb3 d3=) 19...Qc4 20.Rc4 Nc6 21.a3 Na5 22.Rc1 Bb5 23.Ne2 Bd3 24.Kf2 (better is 24.a4!?+=) 24...Nc4–+ 25.Rc4 Bc4 26.a4 Kd7 27.a5 –+. Kellermann – Brinkmann,Wilhelm, corr ICCF, 1997.

7.Be4 Qd7 8.Qh5 Kd8 9.Qf3 Kc8 (9...Bc4? 10.Bb7 Qb5 A) 11.Ba8? Qb2 12.d3 Ba6–+ (12...Qa1?! 13.Qb7 Nc6 14.dc4–+); B) 11.Bc1+–) 10.Na3 (10.d3 Ne7 11.Qd1 Nf5+=) 10...h5 (10...f5 11.Bd5+=) 11.Qe2 (11.ed4 cd4 12.c5 Ne7= (12...Bc5? 13.Rc1+–)) 11...f5+= 12.Bc2 Bd6 (12...Nf6 13.Nh3+=) 13.ed4 (13.Nh3 Nf6+=) 13...cd4 (13...ed4 14.Nf3+=) 14.Nb1 (14.c5 Bc5 15.Qe5 Qe7+=) 14...Nf6 (14...e4 15.d3 Bb4 16.Nd2 Bc4 17.dc4=) 15.d3 (15.c5 Bc5 16.Qe5 Qb5 17.Bd4 Nbd7–/+) 15...Re8 (15...Bb4 16.Nd2+=) 16.Nd2 b6 (16...Qf7 17.Ngf3+=) 17.Ngf3= a6 (17...Qc7 18.Ng5 Bd7 19.Qf3+=) 18.0-0 (18.Ne5? Be5 19.0-0 Qd6–+) 18...Qc7 (18...ab5 19.Ne5 Be5 20.Qe5 bc4 21.dc4+/–) 19.a4 (19.Ng5 Bd7+=) 19...Nbd7 (19...Kd8 20.Rfe1 Bc8 21.Ba3 Ba3 22.Ra3=) 20.Ng5 Bg8 21.Rfb1 (21.a5 ab5 22.ab6 Nb6 23.Ra8 Na8 24.cb5 Kd8= (worse is 24...Qc2 25.Rc1 Qc1 26.Bc1+/–)) 21...a5 22.Ba3 Ba3 23.Ra3 Qd6 24.Ra2 Kc7 25.Nb3 (25.Re1 Rac8=) 25...e4 (25...Rac8 26.Re1=) 26.de4+= Ng4 (26...Nc5 27.Nc5 Qc5 28.Qf3+=) 27.g3 Nde5 (27...Nc5 28.Nc5 Qc5 29.Bd3+=) 28.f4+/– Nc4 (28...Qd8 29.Bd3+/– (29.ef5?! d3 30.Qe4 dc2 31.Rc2 Nf6=)) 29.e5 (29.Rd1!?+–) 29...Nce5+/– 30.fe5 Re5 31.Qf1 (31.Qd1 h4 32.Rc1 Ne3+=) 31...Rae8 (31...Ne3 32.Qe1 Qd5 33.Bd1+/–) 32.Rc1+/– (32.Bf5 Bb3 33.Rb3 Re1 34.Rc2 Kb7–+) 32...Kb8 33.Nf3 Re3 34.Rb2 Nh2 (better is 34...Bd5!? 35.Bd1 Qb4=) 35.Kh2+/– (35.Nh2 Rg3 36.Kh1 Bd5 37.Be4 Be4 (37...Bb3 38.Rc6 Bd5 39.Rd6 Be4 40.Rg2 Bg2 41.Qg2 Rg2 42.Kg2–/+; 37...Rb3 38.Bd5 Rb2 39.Bg2–+) 38.Nf3 Bf3 39.Qf3 Rf3–+) 35...h4 36.Nbd4 Qg3 37.Kh1 Bd5 38.Be4 (38.Bf5 Rf3 39.Nf3 Bf3 40.Rg2–+) 38...Be4 (38...fe4 39.Ne5 Qe5 40.Nc6 Bc6 41.bc6 Qb2 42.Qf4 Qe5 43.c7 Kc8 44.Qe3–+) 39.Rf2 g5 (39...g5 40.Qg2 g4–+) 0–1. Kaminski,Roman – Svensson,Jan, corr 3GMM–11, 1997.

7.f4 Bd6 8.ed4 cd4 9.fe5 fe5 10.Be4?? (10.Nf3 Nd7=) 10...Qc7 (better 10...Qh4 11.Kf1 Qe4-+) 11.d3 (11.Qh5 Kd8 12.d3 Nf6=+) 11...Nf6-/+ 12.Nd2 Nbd7 13.Ngf3 0-0 14.0-0 Ng4?? (14...Nc5 15.Qe2=+) 15.Qe2?? (better 15.Ng5 Rf1 16.Nf1+-) 15...Ne3 (15...Ndf6 16.Ng5 Bd7 17.Bf5=+) 16.Rf2 (better 16.Bh7!? Kh8 17.Bg6+=) 16...Nc5 17.a4 (17.Bc1 Bg4=+ (17...Ne4?! 18.Ne4 Bc5 19.Bd2=)) 17...Bf5 (17...Rf4 18.Bc1-/+) 18.Bf5=+ Rf5 19.a5 (19.Ba3!?=+) 19...Raf8-/+ 20.Nf1 (20.Bc1!?-/+) 20...Ng4-+ 21.h3 (better 21.Ng3 Nf2 22.Nf5 Nfd3 23.Nd6 Qd6 24.Ba3-+) 21...Nf2 22.Qf2 (22.Kf2 Nb3 23.Ra2-+) 22...Nd3 23.Qe2 Nb2 (worse 23...Qc4 24.Ba3 Ba3 25.Ra3-+) 24.Qb2 Qc4 (24...e4!? 25.N3d2-+) 25.N1d2 Qc3 26.Qa2 (26.Qc3 dc3 27.Ne4 Bb4-+) 26...Kh8 27.Re1 Bc5 (27...Bb4 28.Ne4 Qd3 29.Qb1-+) 28.Ne4 Qc2 (better 28...d3 29.Kh2 Qb4-+) 29.Qc2+- (29.Qc2 Bb4 30.Ra1+-) 1-0. upep (2035) - vadikass (2035), Rated Blitz game, lichess.org, 2013.

7.f4 Bd6 8.Be4 Nd7 (worse 8...Bc4 9.Na3 Be6 10.Bb7+/-) 9.fe5 (9.Qh5!? Bf7 10.Qg4=) 9...Ne5-/+ 10.d3 Ne7 (10...Qa5 11.Ke2 de3 12.Bb7-/+) 11.Bb7 (11.ed4 cd4 12.Nf3= (12.Bd4 f5 13.Nf3 Bb4 14.Bc3 Bc3 15.Nc3 fe4 16.Ne5 Qd4 17.Ne4 Qe5-+)) 11...0-0?? (better 11...Qa5 12.Ke2 Rb8=+) 12.Ba8 (12.ed4 cd4 13.Ba8 Qa8+/-) 12...Qa8+= 13.e4 (13.Nf3 de3 14.0-0 Qb8+=) 13...Ng4 (13...f5 14.Nf3 fe4 15.Ne5 Be5 16.Qe2-/+) 14.Bc1 (14.Nf3+/-) 14...Ne3?? (14...f5 15.ef5 Qg2-/+) 15.Be3+- de3 16.Na3 (better 16.Nf3!?+-) 16...Be5+= 17.Nf3 Ba1 18.Qa1 f5? (18...Qd8 19.Ke2 Ng6 20.Ke3 Qd6+/-) 19.e5?? (better 19.Qe5 Qc8 20.Ng5+-) 19...f4 (19...Rd8 20.Ke2=) 20.0-0 (20.d4 cd4 21.Qd4 Ng6=) 20...Nf5 (20...Bg4 21.Nc2=) 21.Ng5 (21.Nc2!?+=) 21...Nd4 (21...Nh4 22.Ne4 f3 23.Rf3 Nf3 24.gf3 Rf3 25.Qd1-+) 22.Qe1 (22.Ne6 Ne2 23.Kh1 f3 24.Rf3 Rf3=) 22...h6 (22...Bf5 23.Rf4 Bd3 24.Rf8 Qf8-+) 23.Ne4 e2 24.Rf2 f3 25.gf3 (25.g3 Bc4 26.Nc5 Qd5-+ (worse 26...Ba2 27.Ne4-+)) 25...Nf3 (better 25...Rf3!? 26.Re2 Rd3-+ (26...Ne2?! 27.Qe2 Rf5 28.Qe3=+)) 26.Rf3=+ Rf3 27.Qe2 Rf5 28.Nc5?? (28.Qe3 Qf8 29.Qe1-/+) 28...Rg5-+ 29.Kf1 (29.Kf2 Qf8 30.Ke1 Qc5-+) 29...Qh1 30.Kf2 Rg2 31.Ke3 Qg1 (31...Qc1 32.Kd4 Re2 33.Ne6 Qb2 34.Kc5 Qa3 35.Kc6 Re5 36.Kb7 Re6 37.c5 Re7 38.Kb8 Qd3 39.Kc8 Qf5 40.Kd8 Qd7) 32.Kd2 Re2 33.Ke2 Qc5 34.Nc2 Qa3 (better 34...Qe5 35.Kd2 Qh2 36.Kc3 Qe5 37.Kd2 g5-+) 35.Na3+- 1-0. zembelek (2070) - msda (1995), Rated Blitz game, lichess.org, 2014.

7.f4 Bd6 8.fe5 fe5 9.Be4?? (9.Nf3 Nf6 10.Ng5 Qe7=) 9...Qc7 (better 9...Qh4 10.Kf1 Qe4-+) 10.ed4 (10.Qf3 Nf6 (worse 10...Bc4 11.Na3 Be6 12.Bb7+/-) 11.Bb7 Bg4 12.Ba8 Bf3 13.Nf3 0-0-/+) 10...ed4 (worse 10...Bc4 11.de5 Bf8 12.Qa4+-) 11.Nf3 (11.Qe2 Kd7=+) 11...Nf6 (11...Bc4 12.Qa4 Qe7 13.Qc4 Qe4 14.Kd1-/+) 12.Qe2 0-0 (12...Kd8 13.d3 Bc4 14.dc4 Ne4-/+) 13.0-0?? (13.Bh7 A) 13...Kh7? 14.Ng5 (14.Qe6?? Re8 15.Qe8 Ne8-+) 14...Kg8 15.Ne6+- (15.Qe6?! Kh8 16.0-0 Qd7+/-); B) 13...Kh8 14.Bg6 Bg4+=) 13...Nbd7?? (13...Ne4 14.Qe4 Rf6 15.d3-/+) 14.d3?? (better 14.Bh7 Kh7 15.Qe6+=) 14...Ne4-+ 15.Qe4 Rae8 16.Nbd2 (16.Qh4 Bf5 17.Rd1 Re3-+) 16...Bc4! 17.dc4 (17.Nc4 Re4 Discovered attack (17...Re4 Deflection; 17...Re4 Overloading); 17.dc4 Re4 Discovered attack (17...Re4 Deflection; 17...Re4 Overloading)) 17...Re4 18.Ne4 Ne5 19.Nd6 (19.Ne5 Be5 20.Rf8 Kf8 21.Rf1 Ke8-+) 19...Nf3 20.gf3 Qd6 21.Rae1 (21.Rac1 Qg6 22.Kh1 Qd3-+) 21...Qg6 22.Kh1 Qc2 23.Ba3 b6 24.Rc1 (24.Re7 Qd3 25.Rg1 g6 (25...Qa3?? 26.Rgg7 Kh8 27.Rh7 Kg8 28.Reg7) 26.Bc5 Qf3 27.Rg2 bc5-+) 24...Qa2 25.Bc5 bc5 26.h4 Qe2 27.h5 Rf3 (27...Rf5 28.Rc2 Qf1 29.Kh2 Rg5 30.h6 Qg1 31.Kh3 Qg3) 28.Rf3-+ Qf3 29.Kh2 Qf4 (29...Qh5 30.Kg2 Qg5 31.Kf2 Qc1 32.b6 ab6 33.Kg2 d3 34.Kf3 d2 35.Kg2 d1Q 36.Kf2 Qf4 37.Kg2 Qdf1) 30.Kh3 Qc1 0-1. zembelek (2030) - msda (1970), Rated Blitz game, lichess.org, 2014.

7.f4 Nd7 8.Nf3 de3 9.de3 ef4 (9...Nb6 10.Qc2 Bd6 11.fe5 Be5 12.Ne5 fe5 13.Be5+/-) 10.ef4+= Qc7?? (10...Bd6 11.f5 Bf7 12.0-0=) 11.g3?? (better 11.Qe2 0-0-0 12.Qe6 Qf4 13.Nc3+-) 11...0-0-0= 12.Nbd2 Ne7 13.0-0 Nb6 14.Qe2 Bf7 15.a4 Ng6 (15...Qd6!? 16.Be4 f5+=) 16.a5 Nd7 17.b6 ab6 18.ab6 (18.a6 ba6 19.Ra6 Re8 20.Ra8 Nb8 21.Bf5 Kb7 22.Be4 Nc6 23.Re8 Be8+/-) 18...Nb6+= 19.Bc3 Qd7 20.Be4 Bd6? (20...Qg4 21.Qg2 Nf4 22.gf4 Qg2 23.Kg2 Nc4 24.Nc4 Bc4+-) 21.Ba5 (better 21.Rfb1!? f5 22.Rb6 fe4 23.Ne4+-) 21...Bc7+/- 22.Rfb1 Qd6 23.Bf5 (better 23.Ra3!? Rhe8 24.Rab3+-) 23...Kb8+= 24.Ne4 Qc6 25.Qf2 Rhe8? (25...Bc4 26.Nc5 Rd5 27.Bb6 Bb6 28.Nd7 Rd7 29.Rb6+-) 26.Qc5 (better 26.Nc5!? Re2 27.Na6 ba6 28.Qe2 Bc4 29.Qf2+-) 26...Qc5+/- 27.Nc5 Rd6 28.Bb6 (better 28.Be4!? f5 29.Bb7 (29.Nb7?! Rf6 30.Bd3 Kb7+/-) 29...Bc4 30.Ne5 Ne5 31.fe5+-) 28...Bb6= 29.Rb6 Rb6 30.Nd7 Kc7 31.Nb6 Kb6 32.Rb1 Kc7 33.Nd4 Re3 (33...b6 34.Rd1 Re7 35.Kf2+=) 34.Nb5 (34.c5 Re7+/-) 34...Kc6+= 35.Kf2 Re7 36.Rc1 (36.Na7 Kc5 37.Nc8 Rc7+=) 36...Kc5= 37.Na3 (37.Bd3 h5=) 37...Rc7 (37...Kb4!? 38.Nc2 Kc4 39.Ne3 Kb4 40.Rb1 Ka5 41.Ra1 Kb5=+) 38.Bd3 Ne7 39.Bh7 Nc6 (39...Rd7 40.Be4 f5 41.Bf3=) 40.Bd3+= Nb4 41.Bf1 Rd7 42.Ke3 b6 43.g4 Re7 44.Kd2 (44.Kf2!?+=) 44...Rd7 45.Kc3?? (45.Ke2=) 45...g6?? (better 45...Na2 46.Kc2 Nc1 47.Kc1 Rd4-+) 46.Kb2 (better 46.Rb1 Na2 47.Kb3+=) 46...g5 (better 46...Rd2!? 47.Kb3 Rf2-/+) 47.fg5+= (47.fg5 Rd2 48.Kb3 fg5 49.Nb1=). zembelek (2130) - likor64 (2075), Rated Blitz game, lichess.org, 2013.

7.h3 a6 8.Qh5 Bf7 9.Qf3 ab5 10.Qb7=.

7.h3 Nd7 8.a4 (8.Qh5 Bf7 9.Qf3 Qc7=) 8...f5+= 9.e4 fe4 10.Be4 Rb8 11.Qf3 Qc7 12.d3 Ngf6 13.Nd2 (13.Bf5 Bf5 14.Qf5 Qd6+=) 13...Ne4 (13...Be7 14.a5+=) 14.Qe4 (14.Ne4 Be7+=) 14...Nf6 15.Qe2 Bd6 16.Ngf3 Exerts pressure on the backward pawn 16...0-0 17.Ng5 (17.a5 Bf5+=) 17...Rbe8 (17...Bf5 18.a5+=) 18.a5 (18.Ne6 Re6 19.0-0 Rf7=) 18...Bf5 (18...a6 19.Ne6 Re6 20.0-0=) 19.g4 (19.Nge4 Re6=) 19...e4 (19...Bg6 20.a6+=) 20.Nge4 (20.gf5? ed3 21.Ne6 de2 22.Nc7 Bc7–+) 20...Be4 21.de4 Bf4 22.0-0? (22.f3 Nd7–/+) 22...Nd7 (better is 22...Bd2!? 23.Qd2 Ne4–+ (23...Re4?! 24.Ra3–/+)) 23.f3 (23.Nf3 Re6+=) 23...Ne5–/+ 24.Ra4?? (better is 24.Bc1–/+) 24...Bd2–+ 25.Qd2 (25.Kg2 Be3 26.a6–+) 25...Nf3 26.Rf3 Rf3 27.Qg2 Rg3 0–1. Baeumcher,Karl – Meinhardt,Guenther, 18sen.DSenEM(GrB) op, 2006.

7.Qh5 Bf7 8.Qf3 Qc7 9.Be4+= Nd7 10.Bb7 Rb8 11.Bd5 Nh6 12.Ne2 Be7 13.a4 (13.Bf7 Nf7 14.0-0 Nd6+/-) 13...0-0 (13...Bd5 14.Qd5 f5 15.f4+/-) 14.0-0+/- Kh8 15.d3 Bd5 16.cd5 Rbd8 17.Nd2 Nb6 18.e4 f5 19.a5 Nc8 20.Nc4 fe4 21.Qe4 Nd6 22.b6 ab6 23.ab6 Qc8 (23...Qb7 24.Nd6 Bd6 25.Bc1+=) 24.Nd6 Bd6 25.Rfb1 (better 25.Bc1!? Nf7 26.Ng3+/-) 25...Ng4= 26.f3 Nf6 27.Qh4 Nd5 28.b7 (28.Bc1 Qf5 29.Qe4 Qe4 30.de4 Nb4-/+) 28...Qe6 (better 28...Qc6!?=+) 29.Bc1+= 1-0. DEFFM – SKVelefant, freechess.org, 2021.

7.Qh5 Bf7+= 8.Qf3 Nd7 9.Qb7+/- Nb6 10.Qc6 Qd7 11.Qd7 Kd7 12.Na3 Ne7 13.0-0-0 (13.Nf3 Bg6 14.Bg6 hg6+=) 13...Bg6 14.Bg6 hg6 15.f4 (15.e4 a6 16.d3 ab5 17.cb5 Nec8=) 15...Nf5 16.Nh3 Nd6 (16...Bd6 17.fe5 Be5 18.Nf2+=) 17.fe5 fe5 18.ed4 ed4 19.d3 Nf5 20.Ng5 Bd6 21.g3 Rhe8 22.Ne4 Na4 23.Nc2 (23.Rdf1+/-) 23...Nb2? (better 23...a6!?+=) 24.Kb2+/- a6 25.a4 Ra7 26.Rhf1 ab5 27.ab5 Rea8 28.Ra1 Ne3?? (better 28...Be7+-) 29.Ra7 Ra7 30.Rf7 Be7 31.Rg7 Nc2 (31...Ke6+-) 32.b6 Ra8 33.Kc2 Ke6 (33...Ra2 34.Kb3 Ra8 35.Nc5 Kc6 36.Re7 Kc5 37.b7+-) 34.Rg6 Kf7 35.Rc6 1-0. onur604 (2320) - omid2021 (2315), Casual Rapid game, lichess.org, 2021.

7.Qh5 Bf7+= 8.Qf3 de3 9.Be4 ef2 (9...Bc4?? 10.Bb7 Na6 11.Ba8+-) 10.Kf2 a6 (10...Bc4 11.Bb7 Bb5 12.Ba8+-) 11.Bb7 Ra7=.

7.Be4 Qc7

8.d3 Bd6 9.ed4 ed4 10.Nd2 (10.Qh5 Kd8=) 10...Ne7 (10...f5 11.Bf3-/+) 11.g3 (11.Qh5 Kd8=+) 11...Nd7 12.Ne2 0-0 13.0-0 Ng6 (13...a6 14.ba6 Ra6 15.Re1=+) 14.Bg2 Rfe8 15.Ne4 Rab8 16.Nd6 (16.Re1 a6=) 16...Qd6=+ 17.Bc1 b6 (17...Bg4 18.Be4=+) 18.Bd2 (18.Nf4 Bf5=) 18...Nge5 19.Nf4 (19.Bf4 Re7=) 19...Bf7 (19...Bf5 20.h3=+) 20.Be1 (20.Qc2 Rbd8=) 20...Nf8 (20...g5 21.Nh3 Bg6 22.f4 Nd3 23.fg5 Ne1 24.Bd5 Kg7 25.Re1 Re1 26.Qe1=+) 21.Nd5 (21.Qc2 Re7=) 21...Bg6=+ 22.Be4 (22.Nf4 Bf5=+) 22...Be4 23.de4 Nc4 (23...Rbd8 24.Qb3=+) 24.Qb3= Ne5?? (better 24...Re4 25.Qc4 Qe6=) 25.Nf6 (25.Nf6 Kh8 26.Qg8) 1-0. zembelek (2090) - msda (1980), Rated Blitz game, lichess.org, 2014.

8.d3 Bd6 9.Qf3!? Bc8 10.Qh5 Qf7 11.Qf7 Kf7 12.Ne2=.

8.d3 Bd6 9.g3 Nd7 10.Nd2 (10.Nf3 Ne7=+) 10...Ne7 11.Ne2 0-0 12.0-0 Rad8 (12...Nf5 13.Qc2=+) 13.a4 f5 (13...Nf5 14.ed4 cd4 15.Nb3=+) 14.Bg2= g5 (14...Ng6 15.Nf3 Nf6 16.Ng5=) 15.a5 Ng6 Black prepares the advance f4 16.ed4 (16.Qe1 Rde8+=) 16...ed4 17.Nf3 h6 18.Bc1 f4 19.Ra2 (19.Re1 Bf5=+) 19...g4 (better 19...Rde8 20.gf4 Nf4 21.Nf4 Bf4 (worse 21...gf4 22.a6+=) 22.Bf4 Qf4=+ (worse 22...gf4 23.a6=)) 20.Nf4? (better 20.Nfd4 cd4 21.Nd4=+) 20...Nf4-+ 21.Bf4 Bf4 22.Ne1 (22.gf4 gf3 23.Qf3 Rf4 24.Qb7 Qb7 25.Bb7 Bf5-+) 22...Bd6 (22...Bg5 23.a6 b6 24.Re2-+) 23.Re2 (23.Bd5 Bd5 24.Qg4 Kh8 25.cd5-+) 23...Rde8?? (23...Ne5 24.Qd2 Rf6 25.f4 gf3 26.Nf3 Nc4 27.dc4 Bc4 28.Nh4 Rf1 29.Bf1 Be2 30.Be2-+) 24.Qd2? (better 24.Re6 Re6 25.Qg4 Kf7 26.Bd5=+) 24...Kg7-+ 25.Re4 (25.f3 gf3 26.Nf3 Ne5-+) 25...Nf6 26.Re2 Bf5 (26...Bc8 27.Re8 Re8 28.Nc2-+) 27.f3?! (27.Re8 Re8 28.f3-+) 27...Re2 28.Qe2 gf3 (better 28...Qa5!? 29.fg4 Bg4 30.Bf3-+) 29.Nf3 Bg6 (29...Bc8 30.Nh4-+) 30.Nh4 Re8 (30...Bh7 31.Nf5 Bf5 32.Rf5-+) 31.Qd2 (better 31.Qf3 Be5 32.Ng6 Kg6 33.Qb7 Qb7 34.Bb7-/+) 31...Bh7?? (better 31...Ng4 32.Ng6 Kg6-+) 32.Rf6+= Kf6 (32...Re3 33.Rf3 Qe7 34.Re3 Qe3 35.Qe3 de3 36.Be4+-) 33.Qh6+/- Ke7 34.Qh7 Kd8 35.Qc7 Bc7 36.Bb7 Re2 (36...Ba5!? 37.Be4 Re6+/-) 37.a6+- Rd2 38.Be4 Ke7 (38...Kd7 39.Nf3 Rb2 40.g4+-) 39.Nf3 (39.Nf5 Kf6+-) 39...Ra2 40.g4 Kf6 41.h4 Bg3 42.g5 Kg7 43.h5 Bf4 44.h6 Kg8 45.Bd5 Kh8 46.h7?? (better 46.Kf1!?+-) 46...Be3? (better 46...Kh7!? 47.Be4 Kg7+=) 47.Kh1 (better 47.Kf1 Kh7 48.Ne5+-) 47...Rf2?? (better 47...Kh7 48.Ne5 Kg7+-) 48.g6 Bh6 (48...Rf3 49.Bf3 Bf4 50.b6+-) 49.Ne5 (49.b6 ab6 50.Ne5 Rf1 51.Kg2+-) 49...Kg7 (49...Rh2 50.Kg1 Be3 51.Kf1 Kg7+-) 50.Nf7 Rf7 51.Bf7 (51.Bf7 Bf4 52.b6+-) 1-0. zembelek (2055) - msda (1960), Rated Blitz game, lichess.org, 2014.

8.d3 Nd7 9.g3 (9.Qh5 Bf7 10.Qf3 0-0-0=) 9...Bd6 10.Ne2 Ne7 11.Qc1 (11.0-0 0-0=+) 11...0-0 12.0-0 Rae8 13.ed4 (13.Nd2 Bh3 14.Re1 f5=+) 13...cd4-/+ 14.Ba3 b6 (14...Nc5 15.Bc5 Bc5 16.Nd2-/+) 15.Bd6 Qd6 16.a4 (16.Nd2 Nc5 17.Qc2 Bg4=+) 16...f5 (16...Nc5 17.Qa3-/+) 17.Bg2 Nf6 (17...Nc5!? 18.Qa3 f4-/+) 18.a5 e4 19.Nf4 Bf7 20.Qa3 Qa3 21.Na3 g5 22.Nh3 h6 (worse 22...ed3 23.ab6 ab6 24.Ng5+=) 23.de4 (23.Rfd1 Bh5 24.Rd2 e3=+) 23...Ne4 (23...fe4 24.Rfd1 Rd8 25.Rd2-/+) 24.Be4 (better 24.Rfd1!? Nc3 25.Rd3=+) 24...fe4-+ 25.ab6 ab6 26.Rfd1 Rd8 Black intends d3 27.Nc2 (27.Re1 Bg6-/+) 27...d3 (27...Be6 28.Kg2 Nf5 29.Ra6-+) 28.Ne3 Ng6 (28...Be6!? 29.g4 Rf3-+) 29.Ra6-/+ Rb8 30.f4 gf4 31.gf4 Nh4 (31...Be6 32.f5 Rf5 33.Nf5 Bf5 34.Nf2-+) 32.Kf2 (32.Nf2 Bh5 33.Rda1 Be2-/+) 32...Nf3 (32...Be6 33.Rg1 Kf7 34.Ra7 Ke8-/+) 33.Nf5? (better 33.Kg3 Nd4 34.f5-/+) 33...Kh7?? (better 33...Bc4 34.Nh6 Kg7-+) 34.Ke3 (better 34.Nd6 Nh2 35.Ne4=) 34...Rbe8?? (better 34...Bc4!? 35.Ke4 Bb5 36.Ra7 Kh8 37.Nh6 Bc6 (worse 37...Nh2 38.Nf7 Rf7 39.Rf7+/-) 38.Kd3 Rfd8 39.Ke2 Bb5 40.Kf3 Rd1 41.Nf7 Kg8=) 35.Rb6 (35.Nd6 Re7 36.Rb6 Bh5+-) 35...Bc4? (35...Be6!? 36.Rb7 Kh8=) 36.Rh6+/- Kg8 37.Nd6 Rc8? (37...Kg7 38.Rh5 Bb3 39.Ne8 Kg6+-) 38.Nc8 Rc8 39.b6 (39.Ke4 Bb3 40.Rd3 Bc2 41.Kf3 Bd3+-) 39...Rb8?? (39...Bb3 40.Rd3 ed3 41.Kf3 d2+-) 40.Ng5 (40.Ke4 Bb3 41.Ra1 d2 42.Kf3 d1Q 43.Rd1 Bd1 44.Ke4 Re8 45.Kd4 Kg7+-) 40...Kg7 (40...Bb3 41.Rb1 (worse 41.Nf3 Bd1 42.Ng5 Kg7+-) 41...Ng5 42.Rb3+-) 41.Rc6 (41.Rc6 Bd5 42.Rc7 Kg6 43.Ne4 Rb6 44.Kf3+-) 1-0. zembelek (2060) - msda (1955), Rated Blitz game, lichess.org, 2014.

8.d3 f5 9.Bf3=.

6.Bd3 Ne7

7.ed4 cd4!? 8.Nf3 a6 =.

7.ed4 ed4 8.Qh5+= g6 9.Qc5 Nec6 10.Qd5 Qd5 (10...Nb4 11.Qe4 Kf7 12.a3+= (12.Bd4?? f5 13.Bh8 fe4 14.Be4 Bc5–+)) 11.cd5 Nb4 12.Be4 f5 (12...d3 13.Bf6 Nc2 14.Kf1+/–) 13.Bd4 Rg8 (13...fe4 14.Bh8 Nc2 15.Kd1 Na1 16.Ba1+/–) 14.a3 fe4 15.ab4 Bb4 (15...Bf5 16.h3 Bb4 17.Ra7 Ra7 18.Ba7+–) 16.Ra4 (16.Ra7 Ra7 17.Ba7 Nd7+/–) 16...a5 17.Nc3 (17.Bc3 Bd6+/–) 17...Bd7 (17...Bf5 18.Nge2 Nd7 19.Kd1+/–) 18.Nge2 (18.Ne4 Kd8 19.Nc3 Re8 20.Nge2 Bf5+/–) 18...Ke7 19.0-0 (worse is 19.Ne4 Bb5 20.Ra1 Rc8+=) 19...Na6 (19...Bf5!? 20.Ng3 Rd8+/–) 20.ba6+– (20.Ne4 Bb5 21.Rb4 Nb4 22.Bc5 Kd8 23.Bb6 Kd7 24.Nf6 Kd6+=) 20...Ba4 21.ab7 (21.Na4?! Ra6 22.Nec3 Kd6+–) 21...Rab8 22.Na4 Rb7 23.Nec3 Rc8 (23...Rd8 24.Nc5 (24.Ne4?! Rd5 25.Be3 Rb8+–) 24...Rbb8 25.N5e4 Bc3 26.Nc3+–) 24.Nb6 (24.Ne4 Rc2+–) 24...Rcb8 25.Nc4 (25.Ne4?! Rb6 26.Bb6 Rb6+/–) 25...Rc8 26.Ne5 (26.Ne3 Rbb8+–) 26...Kd6 27.Ra1 (27.Ne4 Kd5 28.Re1 Kd4 29.Nf3 Kd3 30.Ne5 Kc2–+) 27...Re8? (27...Bc3 28.dc3 Rcb8 29.Nc4 Kd5 30.Ne3 Kc6 31.Ra5 Rb1 32.Nf1 Rd1 33.Ra6 Kd7+=) 28.Nc4 (28.Ne4 Kd5 29.Nf6 Kd4 30.Nf3 Kd3 31.Ne8 Rb6+–) 28...Kd7 29.Kf1 Rc7 30.Nb6 Ke7 31.Ne4 Rc2 32.Re1 (better is 32.Ke2 Kf7 33.Kd3 Rc7+–) 32...Kd8 (32...Rb8 33.Ng5 Kd8 34.Re6 Rd2 35.Bf6 Kc7 36.Be5 Kb7 37.Bb8 Kb8 38.Nh7+–) 33.d6 Bd6 (33...Re6 34.Bf6 Rf6 35.Nf6 Bd6 36.Re8 Kc7 37.Rc8 Kb6 38.Rc2+–) 34.Nd6 Re1 35.Ke1 Kc7 36.Ndc4 a4 (36...Ra2 37.Nd5 Kb7 38.Bb2+–) 37.Kd1 (37.Kd1 Rc4 38.Nc4+–) 1–0. Stefanova,Milena (2035) – Vladimirova,Maria (1990), Pleven BUL Women Ch (qualifier), 2006.

7.Ne2 Bf5 (7...f5 8.f3 Be6 9.0-0 Nd7 10.Ng3 a6 11.Na3=; 7...a6 8.0-0 (8.a4; 8.Na3) 8...ab5 9.cb5 Bg4 10.Qb3 Qa5 11.f3=) 8.e4 (8.Bf5 Nf5 9.0-0 Be7 10.Qb3 Qd7 11.ed4=) 8...Bg4 (8...Be6 9.f4 Qd6 10.0-0 Nd7 11.a4=) 9.f3 Bh5 (9...Be6 10.f4 Qd6 11.0-0=) 10.0-0 g5 (10...Nd7 11.Qb3= (11.a4=)) 11.Ng3 (11.a4 Bf7+=) 11...Bg6 (11...Bf7 12.Re1=) 12.a4 b6 (12...Qa5 13.Qc2=) 13.a5+= Nd7 14.ab6 ab6 15.Ra8 Qa8 16.Na3 Bg7 17.Qb3 0-0 18.Ra1 Qb7 19.Nf5 Bf5 (19...Nf5 20.ef5 Bf7 21.Be4+=) 20.ef5+/– h5 21.Be4 Qc7 22.Nc2 Rb8 23.Ra6 Nf8 24.d3 (24.Qa3 Nd7+/–) 24...Nh7 (24...Qc8 25.Ra7 Nf5 26.Bc6+=) 25.Qa4 Nc8 26.Bc1 Nf8 27.Na1 Nd7 28.Nb3 Nd6 29.Bd5 Kh7 30.Ra7 Qd8 31.Bc6 Nf8 32.Nd2 Nf5?? (better is 32...Nc8 33.Ra6 Ne7+/–) 33.Be4+– Kg6 34.g4 hg4 35.fg4 1–0. TrinTragula – blackcrowman, ChessWorld.net, 2008.

7.Nf3 a6 8.Qc2 ab5 9.cb5 Be6 10.0-0 Ra2 11.Ra2=.

7.Nf3 Bf5 8.Bf5 Nf5 9.e4 Nd6 10.d3 Be7 11.Nbd2=.

7.Nf3 Bg4 8.0-0 Nd7 9.Qe2 (9.Be4 f5 10.Bb7 Rb8+=) 9...b6 (9...f5 10.e4 Ng6 11.ef5+=) 10.Be4 Rb8 11.h3 Bh5 12.ed4 (12.Qd3 g5+=) 12...cd4= 13.Ba3 Nc5 (13...Qc7 14.Be7 Be7 15.Re1=) 14.Bc5+= bc5 15.a4 f5 (better is 15...Qc8!? 16.Bc2 Ng6=) 16.Bf5!+/– Bf3 (16...Nf5 17.Qe5 Double attack (17.Qe5 Deflection; 17.Qe5 Decoy)) 17.Qe5 (better is 17.Qf3!? Nf5 18.Qf5+/–) 17...Ba8= 18.Re1 Rb6 (18...Qb6 19.a5 Qb7 20.f3+=) 19.a5+= Rf6 20.Qc5 Qd6? (better is 20...Kf7 21.Be4 Re6+=) 21.Qc8+– Qd8?? (better is 21...Kf7 22.Qa8 Rf5 23.Qa7 Qf4+–) 22.Bd7 Kf7 23.Qd8 g6 24.Qa8 Bg7 25.Qa7 1–0. DEFFM – GuestNHXY, freechess.org, 2017.

7.f4 ef4 8.ed4 cd4 9.Nf3 Nf5 (9...Bg4 10.0-0=) 10.Qc2 (10.Qe2!? Kf7 11.Bf5 Bf5 12.Nd4= (worse 12.Bd4 Bc5 13.Bc5 Re8-/+)) 10...g6= 11.0-0 Be7 (11...Bc5 12.Re1 Kf7 13.Ba3=) 12.Ne1 (12.Bf5 Bf5 13.d3 Nd7 14.Nd4 Bc5=) 12...0-0 13.Rf4 Bd6 14.Rf1 (worse 14.Bf5 Bf4 (14...Bf5?! 15.Rf5 gf5 16.Qf5=) 15.Bc8 Qc8 16.Bd4 Nd7=+) 14...Bc5 15.Nf3 (15.Bf5?? d3 (15...Bf5?! 16.d3=) 16.Kh1 dc2 (16...Bf5 17.Qb3+=) 17.Bc8 Qc8 (worse 17...cb1B 18.Bb7 Bf5 19.Rf5 Qd2 20.Bd5 Kg7 21.Bf6 Rf6 22.Rf6 Kf6 23.Nf3-+) 18.Nc2 Qg4-+) 15...Be6 16.Ba3 b6?? (better 16...Qc7=) 17.Bc5+- bc5 18.Be4 Nd7 19.Ba8 Qa8 20.Re1 Bf7 21.a4 Nb6 22.d3 (22.Na3 a5+-) 22...Ne3 23.Qf2 Re8 (23...Be6 24.a5 Nd7 25.Nbd2+-) 24.Ra2 (24.Nbd2 Qb8+-) 24...f5 (24...Be6 25.Nbd2+/-) 25.a5 Nd7 26.Rae2 f4 (26...Qd8 27.Nbd2+-) 27.Ng5 Qb8 28.Nf7 (28.Qh4!? Nf6+-) 28...Kf7 29.g3 (29.Nc3 Kg7 30.Nd5 Rf8+-) 29...g5 30.Nd2 (30.Qf3 Kg7 31.gf4 Qf4+/-) 30...Rg8 (better 30...Ne5!? 31.Re3 de3 32.Re3 Qd8 33.gf4 Nd3 34.Re8 Qe8+=) 31.Re3 (31.Re3 de3 32.Re3+-) 1-0. zembelek (2000) - gojkon (2070), Rated Blitz game, lichess.org, 2014.

7.f4 ef4 8.ed4 cd4 9.Nh3 Nd7 (9...Qd6 10.0-0=) 10.Nf4 (10.Bd4? Nb8 11.Qh5 g6 12.Bg6 Ng6–+) 10...Ne5 11.0-0 Nd3 12.Nd3 Be6 13.Na3 Ng6 14.Qe2 Kf7 15.Rae1 Qd7 16.Qh5 Kg8 17.Nc5 Bc5 18.Qc5 d3 19.Re4 a6 20.Rfe1 Nf8 21.Rd4 (21.Rd4 Qc8 22.Qd6 ab5 23.cb5 Ba2 24.Rd3+/–) 1–0. Taulien,Hans_Juergen – Dorer,Manfred, R.–Tobies–Gedenkturnier–A, 2003.

7.f4 Bf5 8.e4 Bg6 9.f5 Bf7 10.Be2 (10.Nf3 a6 11.a4 Nd7=) 10...g6 (10...d3 11.Bf1 Bc4 12.Na3-/+) 11.fg6=+ hg6 12.d3 (12.Na3 Qd6=+) 12...Qa5-/+ 13.Qd2 Qd2 14.Nd2 Bh6 15.Ngf3 Be3 16.Nf1 Bh6 17.Bc1 (17.N1d2!?=) 17...Bc1=+ 18.Rc1 g5 19.Ng3 Nd7 20.h3 0-0-0 (20...Be6 21.0-0=+) 21.a4 (21.Nh2 Rdf8=) 21...Ng6 22.Kd2 Nf4 (22...Be6 23.Nf5=+) 23.Rhg1 (23.Nf5 Be6 24.Ng7 Bg8=+) 23...Bg6 24.Nf1 Nf8 25.N3h2 N8e6 (25...Kb8 26.Ng3=+) 26.Bg4 Kc7 (26...Bf7 27.Bf5=) 27.Ng3 (27.Be6 Ne6 28.Ng3 Rdf8=) 27...Rdf8 (27...Bf7 28.a5=+) 28.Nf5 (28.Be6 Ne6 29.Rcf1 Kb6=) 28...Bf5=+ 29.Bf5 Ng7 30.Ng4 (30.a5 Nf5 31.ef5 Rh7=) 30...Nf5 31.ef5 Kd6 32.a5 Ke7 33.Rce1 Kf7 34.Nf2 Rd8 (34...Ke7 35.Ne4 Rc8 36.a6=) 35.Ne4+= b6 36.Ra1 Rd7 37.ab6 ab6 38.Ra6 Rb8 39.Nf2 Rdd8 (39...Nh5 40.g3+=) 40.g3 (40.Ra7 Kg8+/-) 40...Nh5+- 41.Ne4 (41.Ra7 Kg8 42.Ne4 Rf8+-) 41...Ng7? (41...Rb7 42.Rga1 Ke7 43.Ra7 Ra7 44.Ra7 Rd7 45.Ra8+-) 42.g4 (42.Ra7!? Kf8 43.Nf6 Ra8 44.Ra8 Ra8+-) 42...Ne8 (42...Rb7 43.Rga1 Rdd7 44.Ra8+-) 43.h4 (43.Ra7!? Kf8+-) 43...gh4+/- 44.Rh1 (better 44.g5+/-) 44...Nc7?? (44...Ra8 45.Rh4 Ra6 46.ba6 Ra8 47.Rh7 Kg8+/-) 45.Ra7+- Rd7 46.Rh4 Rg8 47.Rh7 Rg7 48.Rg7 Kg7 49.Ke2 Kf7 50.Kf3 Ke7 (50...Re7 51.Rb7+-) 51.g5 (better 51.Rb7 Na8 52.Rd7 Kd7 53.Nf6 Ke7 54.g5+-) 51...Ne8 (51...fg5 52.Rb7 (52.Ng5?! Kf6 53.Ne4 Kf5+-) 52...Nb5 53.f6 Ke8 54.Rb8 Rd8 55.Rd8 Kd8 56.cb5+-) 52.Ra6 (better 52.Rd7 Kd7 53.Nf6 Nf6 54.gf6+-) 52...Rb7 53.g6 Nd6 (53...Ng7 54.Kg4 Ne8+-) 54.Nd6 (54.Nd6 Kd6 55.Ra8+-) 1-0. zembelek (2100) - Castlan (1995), Rated Blitz game, lichess.org, 2014.

7.f4 g6 8.fe5 fe5 9.Nf3 Bg7 10.0-0 0-0 11.Be4 Nd7 12.d3 (12.Qc2 Nf5=) 12...Nf5 (12...Nf6=+) 13.ed4 (better 13.Bf5!? Rf5 14.e4=) 13...Ne3-/+ (13...cd4?! 14.Bc1=; 13...Nd4?! 14.Nc3=) 14.Qe2 Nf1 (14...ed4 15.Rf2-/+) 15.Bd5 Kh8 16.de5 Nh2! 17.Kh2 (17.Nh2 Nb6 Combination; 17.Kh2 Nb6 Combination) 17...Qe7 18.d4 (18.Nbd2!?-/+) 18...cd4-+ 19.Bd4? (19.Kh1-+) 19...g5 (better 19...Rf3 20.g3 Rf5-+) 20.g4 (better 20.Qb2!?-/+) 20...Rf4-+ 21.Kg3?? (better 21.Bb2-+) 21...Rd4! 22.Nd4 Qe5 23.Kf2 (23.Kg2 Qd4 24.Nc3 Ne5-+) 23...Qh2 (23...Qd4 24.Kg3-+) 24.Ke1 (24.Kf1 Qe2 25.Ne2 Ba1-+) 24...Qe2 (better 24...Qg1 25.Qf1 Qd4 26.Qe2-+) 25.Ne2 Ba1 26.Nd2 Nf6 27.Bf3 Bg4 (27...Ng4 28.c5-+) 28.Bb7 Re8 29.Nf3 Bf3 30.Bf3 g4 (30...Rc8 31.Bc6 Ng4 32.Bd5-+) 31.Bc6 Re3 32.Kf2 (32.a4 h5-+) 32...Ra3 33.c5 (33.Nc1 Bd4 34.Ke2 h5-+) 33...Ra2 34.Bb7 (34.Kf1 Rc2 35.Nf4 Rc5-+) 34...Bd4 35.Ke1 Bc5 36.Kd1 (36.Nf4 Be3 37.Ng2 Bf2 38.Kd1 h5-+) 36...Bb4 37.Ng3 Rd2 (37...Nd5! 38.Bd5 Rd2 39.Kc1 Rd5 40.Kc2-+) 38.Kc1 Rf2 39.Ne4 (39.Ne4 Ne4 40.Be4-+). zembelek (2015) - Castlan (2005), Rated Blitz game, lichess.org, 2014.

6.Bd3 f5

7.ed4 cd4 8.Qe2+= Qe7 9.Bc2 a6 10.f4 Be6 11.Ba3 Qc7 12.Qe5 Qe5 13.fe5 Bc4 14.ba6 Ra6 15.Bf8 Kf8 (15...Kf8 16.Bf5 Ne7+=).

7.ed4 cd4 8.Qe2 Qe7 9.f3 Nf6= 10.Ba3 (10.Bc2 Qc5=) 10...Qc7=+ 11.Bf8 Kf8 12.Nh3 Kf7 13.0-0 h6 (13...Re8 14.Re1=+) 14.Na3 (14.a4 Re8=+) 14...g5 (14...Re8!?=+) 15.Nf2 Re8 16.Rae1 (16.g4 f4=) 16...Qc5 17.Nb1 Qe7 (17...a6 18.a3=) 18.Bc2 (18.g4 a6+=) 18...a6 (18...Kg7 19.Nd3=) 19.a4 (19.b6 Kg7=) 19...ab5= 20.ab5 Ra2 (20...Qc7 21.Nd3=) 21.d3 (21.Qd3!?=) 21...Nbd7=+ 22.Qd1 Nc5 23.Bb3 Rb2 24.Nd2 (24.Bc2!?=+) 24...Rd2!-/+ 25.Qd2 Nb3 26.Qa2 Nc5 27.Qa7 Kg6 28.Ra1 e4 (28...Kg7 29.Ra3-+) 29.fe4-/+ fe4 30.de4 Nfe4 (30...Qd6!?-/+) 31.Ne4=+ Ne4 32.Qd4 Qe5 33.Qe5 Re5 34.Rae1 (34.Rfe1 Kf5 35.Rf1 Ke6=+) 34...h5 (better 34...Be6!? 35.b6 Bc4-+) 35.Rf8=+ Be6 36.c5 Bd5 37.Rc8 White prepares the advance c6 (better 37.Rd8=) 37...Rf5 (better 37...Re6!? 38.Rg8 Kf7=+) 38.c6+= bc6 39.bc6 Nd6 40.Rd8 (better 40.Rb8!? Bc6 41.Rb6+/-) 40...Nb5= 41.Rc1 Nc7 (41...Nd4 42.Rd1 Ne2 43.Kh1 Nf4= (worse 43...Bc6 44.R8d6 Rf6 45.Rf6 Kf6 46.Rd6 Kf5 47.Rc6+-)) 42.Rd7+/- Rf7 43.Rf7 (better 43.Rf1!? Rf1 44.Kf1 Bc4 45.Kf2+=) 43...Kf7=+ 44.Kf2? (better 44.Re1=+) 44...Ke6-+ 45.g3 Kd6 46.Ke3 Bc6 47.Rf1 Bd7 (47...Ke5 48.Rc1 Nd5 49.Kf2-+) 48.Rf6 Ne6 (48...Ke5 49.Rg6 Nd5 50.Kd2-+) 49.Rh6 Be8 50.Ke4 Bf7 (50...g4 51.Kf5 Kd5 52.Kf6-/+) 51.Kf5 (51.h3!?=+) 51...g4-/+ 52.Rf6 (better 52.Kf6 Be8 53.Kf5-/+) 52...Bg8?? (better 52...Ke7-+) 53.Rh6= Bf7 54.Kf6 (54.Rf6 Ke7 55.Rh6-+) 54...Bg8?? (better 54...Be8-/+) 55.Rh5?? (better 55.Rh8 Nd4 56.Rg8+-) 55...Nd4+= 56.Rg5?? (better 56.Rh4 Be6 57.h3+=) 56...Be6-/+ 57.Rg7 Nf3 58.Rh7 Bd7 59.Rh6 Be6 60.Kg7 (60.Rh7!?=) 60...Ke5 (60...Ke7!?-/+) 61.Rh5=+ Bf5 (61...Ke4 62.Kf6 Bd7 63.Rh7=+) 62.Kf7 (62.h3 Nh2 63.hg4 Ng4 64.Rf5 Kf5=) 62...Nd4 (62...Ng1!?-/+) 63.Rg5 (63.h3 Ke4 64.Rh4 Kf3=) 63...Nf3 64.Rh5 Nd4 (64...Ng1 65.Rh8-/+) 65.Rh6 (65.h3 Ke4 66.Rh4 Kf3=) 65...Nf3 (65...Nb5 66.Rh5=+) 66.Ke7 (better 66.Rh5!?=) 66...Ng5-/+ 67.Rh5 Nf3 (67...Nh3-/+) 68.Kd8?? (68.h3!? Nh2 69.hg4 Ng4 70.Rf5 Kf5 71.Kd6=) 68...Nd4 (68...Kf6 69.Kc7-+) 69.Kc7 (69.Ke7-/+) 69...Nf3 (69...Ke6 70.Kb6-/+) 70.Kc6 (70.h3 Nh2 71.hg4 Ng4 72.Rf5 Kf5=) 70...Nd4 71.Kc5 (better 71.Kc7!?=) 71...Ne6-/+ 72.Kc4 Ng7 73.Rh6 Ne6 74.Kc3 (better 74.Rh5!?=) 74...Ng5-/+ 75.Kd2 Nf3 76.Ke3 Ng5 77.Kf2 (77.Kd2 Ke4 78.Ke2-/+) 77...Ne6 78.Kg2 Kd6 (78...Be4 79.Kf2-/+) 79.Rf6 (79.h4 Ke5=+) 79…Ke5 (79...Ke5 80.Rh6 Be4 81.Kf2 Ng5-/+) 0-1. zembelek (2200) - amayak (2110), Rated Blitz game, lichess.org, 2013.

7.ed4 ed4 8.Qf3 g6 (8...Qe7 9.Kd1 Qf6 10.Nh3 Bd6=) 9.Ne2 Bd6 10.0-0 Ne7 (10...Nd7=) 11.Na3 0-0 12.Nc2 (12.Rae1 Nd7 13.Bc2 Qc7+=) 12...Nd7+= 13.Ned4 (better is 13.Qh3!?+=) 13...cd4–/+ 14.Bd4 (14.Nd4 Ne5 15.Qe2 Re8–/+) 14...Be5 (14...Ne5 15.Qe2 Nd3 16.Qd3–/+) 15.Rae1 (15.Be2 Bd4 16.Nd4 Nc5–/+) 15...Bd4 16.Nd4 Nc5 17.Bc2 Qd4 18.Qg3?? (better is 18.Re7 Be6 19.Qh3–+) 18...Ne4 (18...f4!? 19.Qh4 Nf5 20.Bf5 Bf5 21.Re7–+) 19.Be4 (19.Qe3 Qb2 (19...Qc4 20.Bb3 Qd5 21.f3+/–; 19...Qd2 20.Qd2 Nd2 21.Re7 Nf1 22.Kf1–+) 20.Be4 fe4 21.Qe4 Rf7–+) 19...fe4 20.Qh4 Nf5 21.Qf4 (21.Qe4 Qd2 22.Re2 Nd6 23.Qg6 hg6 24.Rd2 Nc4–+) 21...Qc4 (21...Nd6 22.Qh4–+) 22.Re4 Qb5 23.Rfe1 Bd7 24.g4 (24.Qe5 Rac8 25.Qb5 Bb5–+) 24...Ng7 (24...Nh4 25.Qd6 Nf3 26.Kg2 Bg4 27.R1e3 Nh4 28.Kg1 Qb1 29.Re1 Nf3 30.Kh1 Ne1 31.Rg4 Nd3 32.Kg2 Rf2 33.Kh3 Nf4 34.Qf4 Qf1 35.Kg3 Qg2 36.Kh4 Rf4 37.Rf4 Re8 38.Rg4 Qh2 39.Kg5 Rf8 40.Rh4 Qd2 41.Kg4 Qg2) 25.Qd6 (25.Qe3 Rae8–+) 25...Rfe8 26.Re7 (26.a4 Qb3 27.Re8 Re8 28.Re8 Be8–+) 26...Re7 27.Re7 Bc6 28.f4 (28.Re1 Qc4 29.h3 Qa2–+) 28...Qb1 29.Kf2 Qb6 (worse is 29...Qa2 30.f5 Bd5 31.Ke1–+) 30.Kg3 (30.d4 Rf8 31.Ke3 Qb1–+) 30...Qd8 (better is 30...Qg1 31.Kh4 Qh2 32.Kg5–+) 31.Qf6 Qd3 (better is 31...Qf8 32.Qf8 Kf8–+) 32.Kh4 Ne8 (better is 32...g5 33.Kg5 h6 34.Kh6 Qh7 35.Kg5 Rf8–+) 33.Qf7 1–0. babyl – blackcrowman, ChessWorld.net, 2008.

7.ed4 ed4 8.Qh5 g6 9.Qe2 Be7 10.Ba3 Qd6 11.Nf3=.

7.ed4 e4 8.Qe2 Be7 9.Bc2+=.

7.Nh3 e4 8.Bc2 d3 9.Bb3 Nf6 10.Nc3 Be6 11.Ng5 Bg8 12.0-0 h6 13.Nh3 Bf7 14.Nd5 White terminates the opponent with strong threats 14...Nbd7 (14...Bd5 15.cd5 Bd6 16.f3=) 15.f3= Nd5 (15...Bd5 16.cd5 Bd6 17.fe4 fe4 18.Nf4=) 16.cd5+= Nf6 (16...c4 17.Bc4 Rc8+–) 17.fe4+– fe4 (17...Ne4 18.Rf5 Nd6 19.Re5 Be7 20.Qg4+–) 18.Bf6+– gf6 19.Qg4 Qe7 20.d6! Qd6 Theme: Deflection from e4 21.Qe4 Be7 22.Qb7 0-0 (better 22...Rb8 23.Bf7 Kf7+–) 23.Qe4 Kg7 24.Bf7 Rf7 (24...Kf7 25.Nf4 f5 26.Nd3 Kg7 27.Rf5 Rf5 28.Qf5 Rf8 29.Qg4 Kh8+–) 1–0. onur604 (2320) – Buschpav08 (2260), lichess.org, 2020.

7.Nh3 e4 8.Bc2 Nf6= 9.d3 de3 10.fe3 Ng4 11.Qe2 Bd6 (11...ed3 12.Bd3 Bd6 13.Bg7+=) 12.de4 Bh2? (better 12...Qh4 13.Nf2 0-0+–) 13.ef5+– Bg3 14.Kf1 Qh4 15.Bg7 (15.Nf2! Nh2 16.Kg1 0-0+–) 15...Rg8+– 16.Bc3 Nh2? (better 16...Qh6+–) 17.Kg1+– b6 (17...Qg4 18.Nf4 Bf4 19.Qg4 Rg4 20.ef4 Nf3 21.Kf2 Nd4 22.Bd4 Rf4 23.Kg3 Rd4 24.Rh7 Nd7+–) 18.Rh2 Bh2 19.Kh2 Qg3 (19...Bb7 20.e4 Qg3 21.Kh1+–) 20.Kh1 (20.Kg1 Qh3 21.Be4 Bf5 22.Ba8 Nd7+–) 20...Bb7 21.e4 (better 21.Nf4!? Nd7 22.Nd2 0-0-0+–) 21...Nd7 22.Be1 Qe5 (22...Qg4 23.Qg4 Rg4 24.Nc3+–) 23.Qh5 Kd8 24.Nc3 Nf6 (24...Kc7 25.Bd2 Qg7 26.Ng5+–) 25.Rd1 Kc7 (25...Ke7 26.Bh4 Qc3 27.Qh7 Kf8 28.Qh6 Ke7+–) 26.Qf7 Kb8 27.Nd5 Bd5 28.Rd5 Qa1 (28...Nd5 29.Qg8 Kb7 30.Qd5 Qd5 31.cd5 h6+–) 29.Bd1 Kc8 30.Qe6 Kb7 (30...Nd7 31.Qd7 Kb8 32.Bg3 Rg3 33.Qd8 Kb7 34.Rd7) 31.Qc6 Kb8 32.Bg3! (32.Bg3 Rg3 33.Rd8) 1–0. Massudy (2295) – om2005 (2300), lichess.org Rated Rapid game, 2020.

7.Nh3 e4 8.Be2 d3 (8...Nf6 9.d3=) 9.Bh5+= g6? (better is 9...Kd7+=) 10.Bh8+– gh5?? (10...Nf6 11.Nf4 gh5+–) 11.Qh5 Kd7 12.Qg5 (better is 12.Qf5 Kc7 13.Qf7 Ne7 14.Be5 Kb6 15.Nf4+–) 12...Qg5 13.Ng5 Be7 (13...h6 14.Nh7 Bd6+–) 14.Nh7 Ke6 (14...Kd6 15.f3 a6 16.fe4 fe4 17.0-0+–) 15.0-0 (15.Nc3 Kd6+–) 15...Nh6? (better is 15...Kf7 16.f4 ef3+–) 16.Nc3 Bf6 (16...Nf7 17.Bf6! Bf6 18.Nf6 Ne5+–) 17.Bf6 1–0. GuestCWRQ – GuestMZWN, freechess.org, 2018.

6.Bd3 g6

7.Qc2 f5 8.e4 f4 (8...Qg5 9.g3+=) 9.g3 (9.Nf3 Be6=) 9...Bh6 10.Nf3 Qd6 11.0-0 (11.Be2 Nf6=) 11...Bg4 (11...Nf6 12.Kg2–/+) 12.Nh4 (12.Be2!?+=) 12...Bg5 13.Ng2 Bh3 (13...f3 14.Ne1–/+) 14.f3 (14.Be2 d3 15.Qd3 Qd3 16.Bd3 f3+/–) 14...h5 (14...Nd7 15.Be2–/+) 15.Rf2 (15.gf4 Bf4 16.Rf2+=) 15...h4 (better is 15...fg3 16.hg3 h4–/+) 16.gf4+= Bg2 17.fe5 (worse is 17.Rg2 Bf4 (17...ef4?? 18.Rg5 Nd7 19.Rd5+–) 18.Bf1 Nd7–/+; 17.fg5?! Bh3=) 17...Qe5 18.Rg2 h3 19.Rg3 (19.Re2!?+=) 19...Ne7 20.Bf1 Bf4 21.Rh3 Rh3 22.Bh3 Bh2 23.Kf1 Qg3 24.Bg2 Nd7 25.d3 0-0-0 (25...Ne5 26.Ba3 b6 27.Nd2+=) 26.Qf2 Ne5 (better is 26...Qe5!?+=) 27.Qg3+= Bg3 28.Ke2 Rh8 29.b6 (29.Nd2 g5+=) 29...ab6+= 30.Nd2 g5 31.Rh1? (better is 31.Nf1!? N7g6 32.Bc1 Nf4 33.Bf4 Bf4 34.Rb1+=) 31...Rh1–/+ 32.Bh1 N7g6 33.Nf1 (33.Ba1 Nf4 34.Kf1 Ned3–+) 33...Nf4 34.Kd1 Bf2 (34...Bh4!? 35.Bc1 Nfd3 36.Kc2 Nc1 37.Kc1 Nc4 38.Bg2–+) 35.Bc1 Ned3 36.Bf4 gf4?? (better is 36...Nf4 37.Nh2 d3–/+) 37.Ke2= Nb2 38.Kf2 Nc4 39.Bg2 Kc7 40.Ke2 Kd6 41.Bh3 (41.Nh2 Ne5=) 41...Ne5+= 42.Nh2 c4 43.Kd2 b5 44.Bc8 (44.Bg2!?+=) 44...b6 45.Bb7 b4 46.Ba6 Kc5 47.Bc8 b5 48.Be6 d3 49.Bd5 Kd4 50.Be6 c3 51.Kd1 Ke3 52.Bb3 Nf3?? (better is 52...Nc4–+) 53.Nf3 Kf3 54.e5 Ke3?? (54...Kg4 55.Be6 Kg3+=) 55.e6+– f3 56.e7 f2 57.e8Q Kf3 58.Bd5 Kg3 59.Qe3 (59.Qe3 Kg4 60.Qd3+–) 1–0. Wall,Bill – MaskedBishop, internet, 2005.

7.Nf3 a6 =.

7.Nf3 Bg4 8.h3 Be6 9.Qe2 Qd7 10.0-0 a6 11.Re1 Bd6 (better is 11...ab5 12.ed4 bc4 (12...cd4? 13.Ne5 fe5 14.Qe5+–) 13.Bc4 Bc4 (13...cd4? 14.Ne5 fe5 15.Qe5+–) 14.Qc4 cd4 15.Bd4 Ra4+=) 12.ed4+– ab5?? (better is 12...cd4 13.c5! Bc5 14.Ne5 Qd5+–) 13.de5 bc4 14.Bc4 (worse is 14.ed6 cd3 15.Qe6 Qe6 16.Re6 Kd7+–) 14...Be5 1–0. PeterRs – blackcrowman, ChessWorld.net, 2012.

6.ed4 cd4

7.d3 Bb4=+ 8.Nd2 a6 9.a4 =+.

7.d3 Bb4+= 8.Nd2 Nd7 9.a3 Ba5 10.Ngf3 Nc5 (10...a6 11.ba6 ba6 12.Rb1+=) 11.Nd4= Bd2 12.Kd2 Ne7 13.Nb3 Na4 (13...Bg4 14.f3 Nb3 15.Qb3=) 14.Bc3 (14.Bc1 0-0=) 14...a5 (better is 14...Nc3 15.Kc3 0-0=) 15.Kc2 (better is 15.d4!?=) 15...Nc3–/+ 16.Kc3 a4 17.Nd2 Qd4 18.Kc2 Bf5 (18...Qf2 19.Qf3 Qb6 20.Kb1–/+) 19.f3 (19.Qe1 Rd8 20.Ne4 Nc8+=) 19...Rc8–/+ 20.Ne4 0-0 21.Rc1 Nd5 22.Qd2? (22.Qe1 Rfd8–/+) 22...Rfd8?? (better is 22...Rc4! 23.dc4 Ne3 24.Qe3 Qe3–+) 23.Kb1–/+ Nf4 (23...Ne3 24.Qc3–/+) 24.Qc2+= Rd7 (24...Qe3 25.Rd1+=) 25.Qc3 (25.g3 Ne6= (25...Nd3?! 26.Rd1 Rc4 27.Rd3 Rc2 28.Rd4 Rd4 29.Kc2 Re4 30.Kc3 Re3 31.Kb4–/+)) 25...Qe3 (25...Nd3!? 26.Qd4 Rd4 27.Bd3 Rd3–/+) 26.Re1+= Qb6 27.g3 Ne6 28.Qb2 (28.Qb4 Nc5 29.Nc5 Rc5 (29...Qc5?! 30.Qc5 Rc5 31.Re3=) 30.Qa4 Rd4+=) 28...Nc5 (28...Nd4 29.Bg2+=) 29.Nc5 (29.Qf2 Rd4+=) 29...Qc5–/+ 30.Qc3 (better is 30.Ka1!?–/+) 30...Qb5!–+ 31.Ka2 (31.cb5 A pinning theme 31...Rc3) 31...Qc6 32.Be2 Rcd8 (32...b5 33.Rc1–+) 33.Rd1 Rd4 (33...Rd4 34.Rhe1 Be6–+) 0–1. Franke,Roland – Hoegerl,Gerd (2270), Bahn–ch Pocking, 1996.

7.d3 Bb4 8.Nd2 Nd7 9.Ngf3 Ne7 10.Be2 Nc5 11.0-0 Be6 12.a3 Ba5 13.a4 0-0 14.Re1 Rc8 15.Rb1 Kh8 16.Rf1 Bf5 17.Nb3 Bb6 18.a5 Nb3 (18...Ba5 19.Nc5 Rc5 20.Qa4-/+) 19.Qb3 (better 19.ab6 Nc5 20.ba7=) 19...Ba5-/+ 20.Ba3 Re8 21.Nd2?? (better 21.Nh4 Be6 22.f4-/+) 21...Bd2-+ 22.Bb4 Bb4 23.Qb4 b6 (better 23...Ng6-+) 24.Bf3 (24.Qd2 Ng6-+) 24...Rc7 (better 24...Bd3 25.Rfc1 Bb1 26.Qb1-+) 25.Rfd1 Nc8 26.Bc6 Bd7 27.Bd5 Rc5 28.Ra1 (28.Qb3 Bg4 29.Re1 Ne7-+) 28...Be6 (better 28...Bb5!? 29.Re1-+) 29.Bc6 Bd7 30.Bd5 Rc7 (better 30...Bb5!? 31.Re1-+) 31.g3?? (31.Rab1 Bg4 32.f3-+) 31...Ne7 32.Be4 f5 33.Bg2 Be6 34.Rac1 Nc8 35.Re1 Bd7 (35...Qf6 36.Qd2-+) 36.Bd5 (36.Qd2 Nd6-+) 36...Qf6 37.Re2 Nd6 Black prepares e4 38.Rce1 e4! 39.de4 (39.f3 e3 40.f4 Rc5-+) 39...fe4 40.Be4 Rc4 (worse 40...Re4 41.Re4 Ne4 42.Re4-+; worse 40...Ne4 41.Re4 Re4 42.Re4-+) 41.Qa3 (41.Qb2 Rec8-+ (worse 41...Re4 42.Re4 Ne4 43.Re4-+; worse 41...Ne4 42.Re4 Re4 43.Re4-+; 41...Nb5?! 42.Bf5 Rd8 43.Bd7-+; worse 41...Bb5 42.Bd3 Re2 43.Qe2-+)) 41...Nb5 (better 41...Bb5!? 42.f3 Ra4 43.Qb2 Be2 44.Qe2-+) 42.Qa2 Nd6 (42...Nc3 43.Qc4 Bb5 44.Qb3 Ne2 45.Kg2-+) 43.Bd5 (43.Qa7 Bb5 (43...Ne4?! 44.Qd7 Rf8 45.Re4 Qf2 46.Kh1-+) 44.Bd3 Re2 45.Re2 Rc1 46.Kg2 Bc6 (46...Bd3?? 47.Qb8 Rc8 48.Qc8 Nc8 49.Re8 Qf8 50.Rf8) 47.Be4 Be4 48.Re4 g5-+) 43...Rcc8 (better 43...Re2!? 44.Qe2 Rc5 45.Bg2-+) 44.Re8 Re8 45.Rf1 (45.Re8 Be8 46.Qa7-+) 45...Re2! 46.Qa7?? (46.Qe2 Bb5 Decoy) 46...h6 (better 46...Bh3 47.Bg2 Bg2 48.Kg2 b5-+) 47.Qd7 Kh7 48.Qg4 Re5 (better 48...Qe5-+) 49.Bc4?? (better 49.Qd4 Rf5 50.Qd3=) 49...Qg6 (better 49...Nc4 50.Qd4 Rc5 51.Qd3 Qg6-+) 50.Qg6 (better 50.Bg8! Kg8 51.Qg6+-) 50...Kg6-+ 51.Bd3 Kf6 52.h4 (52.Rb1-/+) 52...g5 (52...b5 53.Rc1-+) 53.hg5 (better 53.f4!? gf4 54.Rf4 Ke6 55.Rd4=+) 53...Rg5 54.Re1 1-0. brucepeng (2045) - Beshoadelsaad (2065), lichess.org, 2020.

7.d3 Bb4 8.Nd2 Nd7 9.g3 Nc5–/+ 10.Qc2 Qa5 (10...Ne7 11.Rb1–/+) 11.Ngf3 (11.Be2 Bf5 12.Kd1 e4 13.de4 d3 14.Bd3 Rd8–+) 11...g5 (11...Bg4!? 12.Nh4 e4 13.Bd4 ed3–+) 12.a3 Bc3 13.Bc3 Qc3 14.Qc3 dc3 15.Ne4 Ne4 16.de4 Bg4 17.Bg2? (better is 17.Ng1!? a6 18.h3=) 17...Rc8–/+ 18.0-0 (18.0-0-0 Rc4 19.Kc2 Bd7–/+) 18...Rc4 (18...h5 19.Rfc1 Rc4 20.Rc2–+) 19.h3 (19.Rfc1 h5–+) 19...Bh5 (19...Bf3 20.Bf3 Ne7 21.Rfc1–/+) 20.Rfc1 Nh6 (20...Ke7 21.Rc2 Nh6 22.Rac1–/+) 21.Ne1 (21.Bf1 Rc5 22.Nd2–/+) 21...Nf7 (21...Kd7 22.Nc2 Bf7 23.Rd1 Ke7 24.Rac1–+) 22.g4? (better is 22.Nc2+=) 22...Bg6–+ 23.f3 (23.Nc2 Nd6 (23...Be4?! 24.Ne3 Bg2 25.Nc4 Bh3 26.Ne3+=) 24.Ne3 Rc5–+ (24...Re4?! 25.Be4 Be4 26.Rc3=)) 23...0-0 (23...Ke7 24.Kf2–+) 24.Bf1 Rc7 25.Nd3 (25.Nc2 Nd6–+) 25...Nd6 26.Nb4 Bf7 27.a4 (27.Rd1 Nc8–/+) 27...Rfc8–+ 28.Kf2 Bb3 (28...Kg7 29.Bd3–+) 29.Bd3 Kf7 30.Ke2 (30.Ra3 Be6 31.Nd5 Bd5 32.ed5–/+) 30...Ne8 (30...Ke7 31.Ra3 Bf7 32.Nd5 Bd5 33.ed5–/+) 31.Bc2 (31.Ra3!? Be6 32.Nd5 Bd5 33.ed5+=) 31...Bc4 (31...Be6 32.Nd5 Rc5 33.Ra3–/+) 32.Ke3 (32.Bd3 Be6–/+) 32...Ng7 (better is 32...Nd6!?–+) 33.Ra3+= Be6 34.Bb3 (34.Nd5 Rc5+=) 34...Ke8 (better is 34...Bb3!? 35.Rb3 Rc4–/+) 35.Be6= Ne6 36.Nd5 Rf7 (36...c2!? 37.Nc7 Rc7=) 37.Rac3+= Rc3 38.Rc3 (worse is 38.Nc3 Rc7=) 38...Kd7 (38...Kd8 39.a5+=) 39.Kf2 (39.b6 a5+/–) 39...Kd6 40.Ke3 Nc7 ½–½. hal1958 – Fiver, playchess.de, 2003.

7.d3 Bc5 8.Ne2 Ne7 9.f4 0-0 10.g3 Bg4 (10...Qa5!? 11.Kf2 Nf5–/+) 11.Bg2+= Qd7 12.Qd2 Qe6?? (better is 12...Bh3 13.Be4 Nf5+=) 13.Bb7+/– Nd7 14.Ba8 Ra8 15.a4 (15.0-0 Bb4 16.Qb4 Be2+/–) 15...a6? (better is 15...ef4 16.Kf1 Bh3 17.Kf2 Qe3 18.Qe3 fe3 19.Ke1 Ne5–/+) 16.0-0+– Nf5 17.fe5 Ne5 18.Nf4 (18.Nf4 Qc8 19.Qf2+=) 1–0. Valpa – Felipe_Lungov, playchess.de, 2004.

7.d3 Nd7 8.Nf3 Bb4 9.Nbd2 Nc5 10.a3 Ba5 11.Nd4 ed4 (better 11...Qb6 12.N4f3 Bg4=+) 12.Qh5+– g6 13.Qc5 1–0. Janek – Mrx, internet, 2018.

7.d3 Ne7 8.Ne2 Nf5 9.Ng3 Ng3 10.fg3 Bc5 (10...Bb4 11.Kf2–/+) 11.Be2=+ 0-0 12.Bf3 Qa5 13.Nd2 Bb4 14.a3 Bd2 (14...Bc3 15.Bc3 Qc3 16.Ke2=+) 15.Qd2= Qd2 16.Kd2 Nd7 17.a4 Rb8 (better 17...Nc5 18.Ra3 Be6=) 18.Ba3+– Re8 (18...Rf7 19.Bd6 Ra8 20.Bd5+–) 19.a5 b6 (19...a6 20.Bd5 Kh8 21.Bf7+–) 20.Bd6 (better 20.Bd5 Kh8 21.Bd6+–) 20...Nc5?? (better 20...Bb7 21.Bb8 Rb8 22.ab6 ab6+–) 21.Bb8 Nb3 22.Ke2 (22.Kc2 Na1 23.Ra1 Re7+–) 22...Na1 23.Ra1 Bb7 (23...e4 24.de4 Be6 25.Ba7 Bc4 26.Kd2 ba5+–) 24.Ba7 e4 25.de4 ba5 26.Ra5 (26.Kd3 g5+–) 26...Be4 27.Be4 Re4 28.Kd3 Re1 (28...Re3 29.Kd4 Re7 30.b6+–) 29.Ra2 (better 29.b6!? Re3 30.Kd2 Kf7+–) 29...Rd1 30.Rd2 Rd2 (30...Rb1+–) 31.Kd2 (31.Kd2 d3 32.b6+–) 1–0. aravind555 (1815) – tibrounM (1865), lichess.org, 2020.

7.d3 Nh6 8.Nf3 Bb4 9.Nbd2 0-0 10.a3 Be7 11.Be2 Kh8 12.0-0 a6 13.a4 Nd7 14.Ba3 Qe8 15.Be7 Qe7 16.Nb3 f5 17.Qc2 Nf6 18.c5 Bd7 19.c6 bc6 20.bc6 Be8 (20...Rac8 21.Na5 Nf7 22.Rfc1+=) 21.Qc4 Bf7 22.Qc2 Rac8 23.Rab1 (23.Rfc1 Rfe8 24.Na5 Nd5+=) 23...Bb3 (23...Nd5 24.Bd1 Nc3 25.Re1 Nb1 26.Re5 Bb3 27.Qb3–+ (27.Re7?? Bc2 28.Bc2 Na3 29.Nd4 Nc2 30.Nc2 Rc6–+)) 24.Qb3 (24.Rb3 Nd5+=) 24...Qd6 (24...Rc6 25.Qb7 Qb7 26.Rb7–/+) 25.Qb7 (better is 25.Qb4!? Qc7 26.Qb7 Qc6 27.Qc6 Rc6 28.Ne5=) 25...e4–/+ 26.de4 (26.Ng5 Rc6 (worse is 26...Qc6 27.de4 Ne4 28.Ne4 fe4 29.Ba6+=) 27.Rfc1 Nfg4–/+) 26...fe4–+ (26...Rc6? 27.e5 Qe6 28.ef6 Qf6 29.Nd4+–) 27.Nh4 (better is 27.Qb4 Qb4 28.Rb4 ef3 29.Bf3–+) 27...g5 Black prepares the advance d3 28.c7 (28.Rfc1 gh4 29.Ba6 Nhg4–+) 28...gh4 29.h3 (29.Qa6 Qc7 30.Rb7 Qf4–+) 29...d3 (29...Qc7?! 30.Ba6 Nf5 31.a5–+; worse is 29...Rc7 30.Qa6 Qf4 31.a5–+) 30.Bg4 (30.Bd1 Rc7 31.Qb2 Rg7–+) 30...Nhg4 31.hg4 Rg8 (better is 31...Ng4 32.f4 Qd4 33.Kh1–+) 32.Rb6 Qh2 (better is 32...Qf4 33.Rf6 Qf6 34.Qe4 Rc7–+) 33.Kh2+– Ng4 (33...Ng4 34.Kh3 e3 35.fe3 Ne3+–). chevin – COUNTDOWN2MATE3, Live Game Caissa's Web, 2004.

7.Bd3 a5 8.Qh5+= g6? (better 8...Kd7!?+=) 9.Bg6!+– Ke7?? (9...hg6 10.Qh8 Pinning (10.Qh8 Deflection)) 10.Qc5 Kd7 11.Bf5 Ke8 12.Qc8 Qc8 13.Bc8 b6 1–0. DEFFM – GuestYVTW, freechess.org, 2018.

7.Bd3 Qc7 8.Qe2 Bc5 9.f4 Ne7 10.Nf3 Nd7 =.

7.Bd3 Qc7 8.Qe2 Be7 =.

7.Bd3 Qc7 8.Nf3 Nd7 9.Qe2 (9.Qc2 Nb6=) 9...Nc5+= 10.Bc2 (10.0-0 Be6 11.Rc1 Rc8+=) 10...Be6 11.0-0 d3 12.Bd3 Nd3 13.Qd3 Rd8 14.Qe4 Qc4 15.Qb7 Bd5 (15...Bd5 16.Qa7 Qb5+=).

7.Bd3 Nd7 8.Qh5 g6 9.Bg6! hg6 10.Qh8 Kf7 11.Qh7 Bg7 12.Nf3 (12.Ba3 Ne7+-) 12...Nc5 13.0-0 Nd3 14.Ba3 Bf5 15.Nh4 Qd7 16.Nf5 Qf5 17.Bd6?? (better 17.Qh4+/-) 17...Nh6-+ 18.c5 Rh8 19.Qh8 Bh8 20.Na3 (20.f3 Qc8 21.b6 ab6 22.cb6 Qc2-+) 20...Ng4 (better 20...Nf4 21.Kh1 Qd3-+) 21.Nc4 (21.f3 Nh2! 22.Kh2 Qf4 23.Kg1-+) 21...Qf4 (21...Ndf2?! 22.h3 Qd3 23.hg4 Qc4 24.Kf2-/+) 22.g3 (22.Be5 fe5 23.g3-+) 22...Qh6 (22...Qf3 23.Nb2 Ndf2 24.Rf2 Qf2 25.Kh1 Qh2) 23.h4-+ g5 24.f3 Ngf2 (better 24...gh4 25.fg4 hg3-+) 25.Rf2-/+ Nf2 26.Kf2 gh4 27.Rg1? (better 27.Rh1!? hg3 28.Kg2=+) 27...Qg6 (27...hg3 28.Rg3 Qh2 29.Rg2 Qh4 30.Rg3-+) 28.gh4 (28.Bb8 Qc2 29.Nd6 Kf8 30.gh4 Qd2 31.Kg3 Qf4 32.Kg2 Qh4 33.c6 Qg5 34.Kf2 Qe3 35.Kg2 Qd2 36.Kg3 bc6 37.bc6 Qf4 38.Kg2 Qg5 39.Kf2 Qe3 40.Kg2=) 28...Qd3?? (better 28...Qc2 29.Be5 Qc4-+) 29.Ne5?? (better 29.Rc1 Qh7 30.Kg3 Qg6 31.Kh2=) 29...fe5-+ 30.Rg4 (30.Kg3-+) 30...Qd2 31.Kg3 Qe1 32.Kh3 d3 33.Rg3 (33.Rg2 Bf6 34.Rb2-+) 33...d2 34.f4 (34.Rg2 d1Q 35.Bc7 Qf3 36.Kh2 Qh4 37.Kg1 Qd1) 34...d1Q 35.fe5 (35.Rg2 Qf3 36.Kh2 Qh4 37.Kg1 Qd1) 35…Qh1 0-1. Ligonazo (2290) - zumpili (2405), Rated Bullet game, lichess.org, 2021.

7.Bd3 Be6 8.Nf3 (8.Qh5 Kd7=) 8...g6 (8...Nd7 9.Qc2+=) 9.0-0 (9.Qe2 Kf7=) 9...Bg7 (9...Nd7 10.Be2=) 10.Ba3 (10.Qe2 Qc8+=) 10...Ne7 (10...f5 11.Re1 e4 12.Qe2 Bc4 13.Bc4+=) 11.Bb4 (11.Re1 Qd7+=) 11...0-0 (11...a6 12.Qa4=) 12.a4 (12.Qe2 Rf7=) 12...a6 13.Be4 (13.a5 ab5 14.cb5 Re8=) 13...Bc4 (13...ab5 14.cb5 Qd7 15.Bd3+=) 14.Bb7 Ra7 (worse is 14...Bf1 15.Ba8 Bc4 16.Qc2=) 15.d3 Bd5?? (better is 15...Be6!? 16.ba6 Na6 17.Ba6 Ra6+=) 16.Bd5 (better is 16.Be7 Qe7 17.Bd5 Kh8 18.b6+–) 16...Qd5+= 17.Nbd2 (17.Na3 ab5 18.ab5 Re8=) 17...ab5= 18.ab5 Rb7 19.Nc4 (19.Ra5 Rf7 20.Qa4 Nd7+=) 19...Rd8 (better is 19...Qb5 20.Bd6 Nbc6+=) 20.Nd6?? (better is 20.Qe2+=) 20...Rd6–+ 21.Bd6 Qd6 22.Nd2 (better is 22.Qb3!? Nd5 23.Rfb1–+) 22...Qd5 (22...Qd5 23.f4 Rb5 24.fe5 f5–+; 22...Rb5 23.Nc4 Qc6 24.f4–+) 0–1. stoker – drgib8, Live Game Caissa's Web, 2005.

7.Bd3 Be6 8.Qh5 Bf7 9.Qe2 Bb4 10.Nf3 Nd7 (10...Ne7 11.0-0=) 11.0-0 (better is 11.Bd4!? Qe7 12.a3+=) 11...Nc5+= 12.Bf5 (12.a3 Nd3 13.Qd3 Bd6+=) 12...Ne7 13.Bh3 (13.Bd3 Nd3 14.Qd3 Qc7+=) 13...Ng6 14.g3 Qc7 (better is 14...d3 15.Qe3 Na4–/+) 15.Bd4 Nd3 (better is 15...Rd8!?+=) 16.Qd3+/– Bc4? (better is 16...ed4!? 17.Re1 Kf8+/–) 17.Qc2+– ed4 (17...Qf7 18.Re1+–) 18.d3 (18.Nd4?! Ne5 19.Re1 Qc5+=) 18...Rd8 19.dc4 Qa5 (19...Ne5 20.Qe4+–) 20.Bf5 (better is 20.Qe4 Ne5 21.Ne5 fe5 22.Qe5 Kf8 23.Qf4 Ke8+–) 20...Ne7 21.Bd3 g6 22.a3 Bc5 23.Nfd2 Qc7 24.Ne4 0-0 25.Nbd2 f5 26.Nc5 Qc5 27.Nf3 h6 (27...f4 28.Qe2+–) 28.Rfe1 a6 (28...Rfe8 29.Re5 Qc7 30.Rae1+–) 29.a4 (29.Re5 Qc7+–) 29...Kg7 (29...f4 30.Re5 Qd6 31.Rae1 fg3 32.fg3+–) 30.Qb2 a5 (30...ab5 31.Re5 Qd6 32.c5+– (worse is 32.Qb5 Rf7+–)) 31.Re5 Qd6 32.Rae1 Rf6 (32...Nc8 33.c5 Qd7+–) 33.Re7 (33.Re7 Rf7 34.R7e6+–) 1–0. Hal1958 – Fiver, playchess.de, 2004.

7.Bd3 Ne7 8.Nf3 a6 9.Qc2 (9.0-0 ab5 10.cb5 Qd5+=) 9...ab5 10.cb5 Be6 11.a4 Nd7 12.Bh7 (12.Ba3!?+=) 12...Rc8–/+ 13.Bg6 Ng6 14.Qg6 Bf7 15.Qg3 Nc5 (15...Nc5 16.0-0 Nb3–/+).

7.Bd3 Nh6 8.Qc2 Nd7 9.Bh7 Nf7 10.Nf3 Nc5 11.Qg6 e4 12.Nd4 Nd3 13.Kf1 Nb2 14.Qe4 Qe7 15.Qc2 Nc4 16.Nc3 Nfe5 17.Re1 Rh7 18.f4 Rh4 19.Nd5 Qc5 20.Nc7 Qc7 21.fe5 Rd4 22.Qg6 Kd8 23.ef6 Rf4 24.Kg1 Bc5 25.Re3 Ne3 26.g3 Rf1# 0–1. poisoned_prawn – JohanK, ChessWorld.net, 2014.

7.Qe2 Bc5 8.f4 Nd7 9.fe5 (9.Nf3 Qe7+=) 9...Ne5 10.d3 (better is 10.Nf3!? Qe7 11.Ne5 fe5 12.Qh5 g6 13.Qf3–/+) 10...Bf5–+ 11.Nf3 Bd3 12.Qd2 Qe7 (12...Bc4 13.Nd4 Qd5 14.Qe3–+; 12...Nc4?! 13.Qd3 Nb2 14.Qb3 Qa5 15.Nbd2–/+) 13.Ne5 (13.Kf2 Ng4 14.Kg1 Bf1 15.Kf1 Ne3 16.Kf2 Nc4–+) 13...Qe5 (better is 13...Bb4 14.Bd3 Qe5 15.Kf1 Bd2 16.Nd2 Qf4 17.Nf3–+) 14.Be2?? (14.Kd1 Bf1 15.Rf1 Qh2 16.Qe2 Ne7–+) 14...Qe2 (better is 14...Bb4! 15.Bc3 dc3 16.Qd3 c2 17.Kf2 Rd8 18.Qc2 Bc5 19.Kf1 Qa1–+) 15.Qe2 Be2 16.Ke2 0-0-0 17.Kd3 Re8 18.Nd2 Re3 19.Kc2 Ne7 20.Rhe1 Nf5 21.Re3 de3 22.Ne4 Bb4 23.Bc3 Bc3 24.Nc3–/+ Re8 25.Re1 Nh4 26.Re2 f5 27.Nd5 f4 28.Nf4= Nf5 29.Kd3+/– g6 30.g4 Rd8 31.Ke4?? Rd4?? 32.Kf3?? Nh4 33.Kg3+= Rc4 34.Re3 g5 (34...g5 35.Ne6 h6+=). chevin – laksman2, Live Game Caissa's Web, 2004.

7.Be2 Nd7 8.Bh5 g6 9.Be2 Nc5 10.Nf3 (better is 10.h3!?–/+) 10...d3–+ 11.Bf1 e4 (11...Be6!?–+) 12.Nd4–/+ Bg7 13.f3 (better is 13.Nb3 Na4 14.Bd4–/+) 13...f5–+ 14.fe4 (14.Nc6 Qc7 15.Nd4–+) 14...Bd4 (better is 14...Qh4 15.g3 Qe4 16.Kf2 Bd4 17.Bd4 Qd4 18.Kg2 Qa1 19.Bd3–+) 15.Nc3 fe4 (15...fe4 16.Qc1 Nf6–+) 0–1. GuestHJJT – GuestJHCN, freechess.org, 2017.

7.Be2 Ne7 8.Nf3 (8.Bh5 g6 9.Bf3 Qc7+=) 8...Ng6 9.d3 Bb4 10.Nbd2 Nf4 11.0-0 Bf5 12.Ne4? (better is 12.Nb3+=) 12...Be4–+ (12...Ne2?! 13.Qe2 0-0 14.a3=) 13.de4 d3 (13...Ne2?! 14.Qe2 Qc7 15.a3=) 14.Bd3 Qd3 15.Qa4 (15.a3 Bc5 16.g3 Ne2 17.Kg2 Qc4–+ (17...Qe4?! 18.Re1 Qc4 19.Re2=)) 15...Be7 (15...Qc4?! 16.a3 Qe4 17.Qb4 Qb4 18.ab4–+) 16.Rad1 Nh3! 17.Kh1 (17.gh3 Qf3 Double attack (17...Qf3 Deflection; 17...Qf3 Decoy)) 17...Qe4?? (17...Qe2 18.Be5 fe5 19.Rde1 Nf2 20.Kg1–+) 18.Rde1? (better is 18.Nd2 Qf5 19.gh3–/+) 18...Qf5–+ 19.Qb3 (19.Ne5 fe5 20.Re5 Nf2 21.Kg1 Nh3 22.gh3 Qg6 23.Kh1–+) 19...0-0?? (better is 19...Nf4–+) 20.c5 (20.gh3 Rd8 21.Nd4 Qd7 22.c5 Qd5 23.Qd5 Rd5=) 20...Kh8–+ 21.gh3 Bc5 22.Nh4 (22.Ne5 fe5 (22...Bf2?? 23.Nf7 Kg8 24.Nh6 Kh8 25.Qg8 Rg8 26.Nf7) 23.Re5 Qf4 24.Rc5 Nd7+/–) 22...Qh5–+ 23.Qg3 Nd7 24.Rg1 g6 25.Rg2 (25.Nf3 a6–+) 25...Nb6 (25...a6 26.f4–+) 26.Reg1 (26.f4 Nc4 27.fe5 Nb2 28.Rb2 fe5 29.Rc2–+) 26...Nd5 27.Ng6 (27.Bc1–+) 27...hg6 (27...Qg6?! 28.Qf3 e4 29.Qd1–+) 28.Qg6 (28.Qg6 Qg6 29.Rg6–+). GuestYNSG – GuestYPSR, freechess.org, 2017.

7.Qh5 g6 8.Qe2 Bd6 (8...Bf5 9.g4 Be6 10.g5=) 9.Nf3 (better is 9.Bd4!? Ne7 10.Be3+=) 9...b6?? (better is 9...Qe7+=) 10.Nd4 1–0. GuestLNLW – GuestJMBM, freechess.org, 2017.

6.ed4 ed4

7.d3 a5 8.a4 (8.Be2 Bd6=) 8...b6 (8...Bd6 9.Be2+=) 9.Be2= Ra7 10.Nf3 Qd6 (10...Bd6 11.0-0=) 11.0-0+= Re7 12.Nbd2 Bb7 13.Nh4 (13.Re1 f5+=) 13...Qc7 (13...Qf4 14.g3 Qc7 15.Bf3+=) 14.g3 (14.Bf3 Bc8+=) 14...g6 (14...Nd7 15.Bf3 Bf3 16.Ndf3=) 15.Bf3 Nd7 (15...Kd8 16.Bb7 Qb7 17.Re1=) 16.Bb7 Qb7 17.Qf3 (17.Re1 Bh6=) 17...Ne5 18.Qb7 Rb7 19.Ne4? (19.Ra3!?=) 19...Be7 (19...Nd3 20.Bc1–+) 20.Rad1? (better is 20.Rfe1!?–/+) 20...f5–+ 21.Nd2 (21.Rfe1 fe4 22.Re4 Nf7–+) 21...Nd3 (21...Bh4 22.gh4 Nd3 23.Ba3–+) 22.Bc1 (22.Ba3 Bh4 23.gh4 Nf6–+) 22...Bh4 23.gh4 Ne5 (23...Nf6 24.Nf3 Nc1 25.Rc1–+) 24.h3 (24.h5 Nf6–+) 24...Nf6 25.f4 Nd3 26.Rf3 (26.Nf3 Nc1 27.Rc1 Kd7–+) 26...Nb4 (26...Nc1 27.Rc1 Re7 28.Kf1–+) 27.Kg2 (27.Rb3 Ne4–+) 27...Re7 28.Kf2 (28.Rb3 Nc2 29.Nf3 Ne4–+) 28...Kf7 29.Bb2 (29.Kf1 Rhe8–+) 29...Rhe8 30.Bc1 Re2 31.Kf1 (31.Kg1 Na2 32.Bb2 R8e3–+) 31...Rh2 (31...Rh2 32.Kg1 Ree2–+) 0–1. Hess,Helmut – Schick,Albert (1725), 6th .Berlin–ch Seniors, 2010.

7.d3 a6 8.a4 (8.ba6 Na6 9.Be2 Bd6+=) 8...Bd6 9.Nd2 (9.Be2 Ne7+=) 9...Nh6 10.Qh5 Nf7 11.Qe2 Be7 12.Nb3 (12.Qh5 Qa5–/+) 12...0-0 13.0-0-0 (13.Qh5 Re8–/+) 13...ab5 (13...Ne5 14.Nf3–+) 14.ab5 Re8 15.Re1 Bd7 (15...Ne5 16.Kd1–+) 16.Qd2 Qb6 (16...Ne5 17.Kd1–/+) 17.Nf3 (17.Kd1 Ne5–/+) 17...Na6 (17...Be6 18.Kd1–/+) 18.Ba3 (18.Qa5 Qa5 19.Na5+=) 18...Be6 (better is 18...Nc7!? 19.Re7 A) 19...Re7?? 20.Bc5 Qe6 21.Nbd4+– (21.Be7?! Qe7 22.Nfd4 Ne6+=); B) 19...Ra3–/+) 19.Qa5= Qa5 20.Na5 Nc7 21.b6 Ra5 22.bc7 Ra6 23.Kc2 Rc8 (23...Kf8 24.h3–/+) 24.Nd4+= cd4 25.Be7 Rc7 26.Ba3 b5 27.Bb2 bc4 28.dc4 (28.Bd4? cd3 29.Kd2 Ra2 30.Ke3 d2–+) 28...Ne5 29.Bd4 Nc4 30.Bc4 Rc4 (30...Bc4 31.Rhg1 Rd6 32.Rd1 Be2 33.Kb3–+) 31.Kd3 Ra3 (31...Bd5 32.Ra1 Rd6 33.Rhe1+=) 32.Ke4= Bf5 33.Kf5 Rd4 34.f3 Kf7 The mate threat is g6 35.Re4 g6 36.Kf4 g5 37.Kg4 Re4 38.fe4 Kg6 Threatening mate: h5 39.g3 h5 (39...Re3 40.Kh3–/+) 40.Kh3 Ra2 41.g4 Re2 42.gh5 Kh5 43.Rf1 Kg6 (43...Re4?! 44.Rf6 g4 45.Kg2+=) 44.Rf3 (44.Rc1 Re4 45.Rc6 Kf5–+) 44...Re4 45.Kg3 f5 Black plans g4 46.Rb3 (46.Rd3 Kh5–+) 46...Kh5 Black intends g4 47.Ra3 (47.Rb8 f4 48.Kf2 Kg4–+) 47...f4 48.Kf3 Rb4 49.Rc3 (49.Ra8 g4 50.Ke2 Rb2 51.Kd3 g3 52.hg3 fg3–+) 49...g4 50.Kf2 Rb2 51.Kg1 Kg6 (51...Kg5 52.Rc5 Kf6 53.Rc3–+) 52.Rc5 (52.Ra3 Kf5–+) ½–½. Parry,Michael (2460) – Alves,Lair Valio (2200), corr ICCF EM/M/A027 Email, 1998.

7.d3 b6 8.Nf3 Bb7 9.Be2 Bd6 10.0-0 Ne7 11.Re1 0-0 12.Nfd2 Nd7 13.Bf3 Qc7 14.Ne4?? (better 14.Bb7 Qb7 15.Ne4=) 14...Bh2-+ 15.Kf1 Be5 (15...Ne5 16.Bh5-+) 16.Ke2 (16.Ned2 Rfe8-/+) 16...f5 17.Rf1?? (better 17.Ng5 Bf3 18.Nf3-+) 17...fe4 18.Be4 (18.Bg4 Ng6 19.g3 Rae8-+) 18...Be4 19.de4 Bf4 (better 19...d3 20.Qd3 Bb2 21.Nd2 Ba1 22.Ra1-+) 20.f3 (20.Na3 Qe5 21.Qc2 Qg5-+) 20...Ne5 (better 20...Nf5!? 21.Re1 Ne3 22.Qb3-+) 21.Rh1 Nc4 (better 21...Qd6 22.Na3-+) 22.Qd3?? (better 22.Qb3-+) 22...Ne3 Black prepares c4 23.e5 (23.Nd2 Ng6 24.Qb3 c4 25.Nc4 Nc4 26.Bd4 Rad8-+) 23...Ng6 24.Nd2 (24.e6 Bg5 25.e7 Nf4 26.Kd2 Nd3 27.ef8Q Rf8-+) 24...Qe5 (24...Be5 25.Kf2 c4 26.Nc4 Qc4 27.Qc4 Nc4 28.Rab1-+) 25.Ne4 Rad8 26.Bc1 (26.Rac1 c4 27.Rc4 Qb5-+) 26...c4 27.Qc4 Nc4 28.Be3 Be3 (28...d3 29.Kf1 Ne3 30.Kg1 Qa1 31.Kf2 Qa2 32.Nd2 Qd2 33.Kg1 Qg2) 29.Rh7 (29.Rh7 d3 30.Kd1 Qa1). Jimito100 (2035) - asaad5 (2070), Rated Bullet game, lichess.org, 2020.

7.d3 Bf5 8.Be2 Bd6 9.Nf3 Ne7 10.0-0 0-0 11.Nbd2 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Nd7 15.Re1 b6 (15...Qc7 16.Ne4=) 16.Ne4 Bc7 17.h3 Be4 18.de4 Ne5 19.Bd3 Qd6 20.g3 (20.Ne5 fe5 21.Bb2 Qf6=) 20...Nd3 21.Qd3 f5 (21...Ng6 22.Kg2=+) 22.e5= Qg6 23.Bb2 f4 24.Qg6 Ng6 25.Bc1?? (better 25.g4=+) 25...fg3-+ 26.Ng5 (26.Kg2 gf2 27.Rf1-+) 26...gf2 27.Kf1 fe1Q 28.Ke1 Be5 0-1. brucepeng (2015) - MMZ (2045), lichess.org, 2021.

7.Bd3 g6 8.Qe2 Kf7 9.Nf3 Bg4 10.0-0 Nd7 11.h3 Bf3 12.Qf3 Qc7 13.a4 Bd6 14.Be4 Rb8 15.Bd5 Kg7 16.d3 Ne7 17.Be6 Ne5 18.Qe2 Rhe8 19.Qd1 Ng8 20.Bd5 b6 21.Nd2 Nd3–/+ 22.Bc1 Nc1 23.Rc1 Bf4 24.g3 Bd2 25.Qd2 Re7 26.Rce1 Rbe8 27.Re7 Qe7 28.Qf4 Qe5 29.Qf3 Re7 30.Kg2 Nh6 31.g4 Nf7 32.Qd3 Nd6 33.f3 Qe2 34.Qe2 Re2 35.Rf2 Rf2 36.Kf2 f5 37.f4 Ne4 38.Kf3 Nd6 39.Kg3?? Kf6 40.Kf3 h6 41.h4? g5 42.fg5 hg5 43.h5 fg4 44.Kg4 Nf5 45.Be4? Nh6 46.Kf3 Ke5 47.Bg6 Kf6 48.Bd3?? Ke5 49.Bg6 Ke6 50.Bd3 Ke5 51.Bg6= ½–½. elsh1403 – trepca2 (1835), internet, 2011.

7.Bd3 Nh6= 8.Nf3 Qe7 9.Qe2 Qe2 =.

7.Nf3 Qe7 8.Qe2 Bf5 9.Qe7 Ne7 +=.

7.Nf3 Bg4 8.h3 (better is 8.Qe2!? Ne7 9.Qe4 (9.h3= Bd7=) 9...Qc8=) 8...Qe7–/+ 9.Be2? (better is 9.Qe2 Bf3 10.gf3–/+) 9...Bf3–+ 10.gf3 d3 11.Nc3 Qe5 (11...Qe6 12.Qb1 de2 13.Qe4 Qe4 14.fe4–+) 12.Nd5 de2 (12...Qb2 13.Nc7 Kd8 14.Na8 de2 15.Qb1–+) 13.Be5 ed1R 14.Rd1 fe5 15.Nc7 Kd7 16.Na8 b6 17.f4 (better is 17.0-0–+) 17...Bd6 (better is 17...ef4 18.Rg1 Nf6–+) 18.Rg1 g6 19.f5 (19.Rg3 Ne7 20.fe5 Be5 21.Rd3 Kc8 22.Re3–+) 19...Ne7 20.fg6 (20.f6 Nf5 21.f7 Ke6–+) 20...hg6 21.a4 (21.Rg3 Kc8–+) 21...Kc8 (21...Ke6 22.a5 ba5 23.Ra1–+) 22.a5 ba5 23.b6 Kb7 24.Nc7 ab6 (worse is 24...Kb6 25.Nb5 Bc7 26.Rg3–+) 25.Nb5 Kc6 26.f4 (26.Rg3 Na6–+) 26...Rh3 (26...ef4 27.d4 Rh3 28.Na7 Kd7 29.dc5 bc5 30.Nb5–+) 27.fe5 Be5 28.Rg4 Rh1 29.Ke2 Rd1 30.Kd1 Nd7 31.d4 (31.Na7 Kd6–+) 31...cd4 (31...Nf6 32.Rh4 cd4 33.Nd4 Kd6 34.Nf3–+) 32.Nd4 Bd4 33.Rd4 Nf5 34.Re4 Kd6 35.Kd2 Ne5 36.Kc3 Ke6 37.Kb3 (37.c5 b5–+) 37...g5 (37...Nd6 38.Rd4–+) 38.Ka4 (38.Re1 g4–+) 38...Nd6 39.Re2 Ndc4 40.Kb5 g4 41.Rg2 (41.Rf2 Kd5–+) 41...Kf5 42.Rg3 (42.Rg1 Kf4–+) 42...Kf4 43.Rc3 (43.Rg2 g3 44.Rg1 Kf3 45.Rf1 Ke2–+) 43...g3 44.Rc2 Na3 0–1. McGhee – blackcrowman, ChessWorld.net, 2008.

7.g3 Bd6 8.Bg2 Qe7 9.Kf1 (9.Qe2 Nd7 10.f4 g5 11.Qe7 Ne7+=) 9...Nd7 10.Nf3 (10.Qb3 Qf7+=) 10...Nh6–/+ 11.d3 0-0 12.Bc1 (12.Bh3 Ne5 13.Bc8 Rac8+=) 12...Nf7 13.Nbd2 f5 14.Nb3 Nf6 15.h3 (15.a4 f4–/+) 15...Be6 (15...Re8 16.Kg1–/+) 16.Ng5 Ng5 17.Bg5 Rae8 (17...f4 18.g4–/+) 18.Qd2 (18.f4 Qc7+=) 18...Bc8 (18...f4 19.gf4 h6 20.Re1–/+) 19.Bf3 (19.Bd5 Kh8+=) 19...Qc7 (19...f4 20.Kg2+=) 20.Bf6 (20.Kg2 h6 21.Bf6 Rf6=) 20...Rf6–/+ 21.Re1 (21.Kg2 f4 22.g4 Be6+=) 21...Ref8 (21...Re1 22.Qe1 f4 23.g4+=) 22.Qe2 (22.Kg2 Kh8+=) 22...Kh8 (22...Be6 23.Nd2–/+) 23.Kg2+= Rg6 (23...f4 24.g4+=) 24.Nd2 (24.Bd5 a5=) 24...Qa5 (24...a6 25.ba6 ba6 26.Bd5+=) 25.Bd5 Qc7 (25...f4 26.g4+=) 26.Nf3 (26.Qf3 a6=) 26...f4 (26...Rgf6 27.a4=) 27.g4 Qd8 28.Nd2 (28.a3 a6=) 28...Bc7 (28...Qa5 29.Nf3=) 29.Qf3 (29.Qe7 Ba5 30.Qd8 Rd8+=) 29...Ba5 30.Re2 Bd2 (30...Bb4 31.a3 Bd2 32.Rd2=) 31.Rd2 b6 (31...a6 32.ba6 (worse is 32.Bb7 Bb7 33.Qb7 f3 34.Kg1 Rb6–+) 32...ba6 33.Re2=) 32.Re2+= Qh4 (32...Qg5!?+=) 33.Qf4+/– The mate threat is Qxf8 33...Rgf6 (33...Rf4 Deflection from e8 34.Re8 Theme: Double Attack) 34.Qg3 Qg5 35.f3 (35.Rhe1 Rf4+/–) 35...h6 (35...Qg6 36.Be4 Qf7 37.Rhe1+/–) 36.Rhe1 Qg6 (36...a5 37.Re8 Qg6 38.Rf8 Rf8 39.Qe5+–) 37.Re4+– Qg5 (better is 37...Qh7+–) 38.f4! Qg6 (38...Qf4 39.Rf4) 39.f5 Qg5 (39...Bf5 40.gf5 Qf5 41.Re5 Qf2 42.Qf2 Rf2 43.Kg3 Ra2 44.Re8+–) 40.h4 Qd2 41.R4e2 White plans g5 41...Qc3 (41...Qa5 42.g5 Rf5 43.gh6 gh6+–) 42.g5 (42.g5 Rf5 43.gh6 gh6 44.Kh2+–) 1–0. Dzieniszewski,Andrzej – Liszka, Warszawa Poland, 1984.

7.g3 Qe7 8.Qe2 +=.

7.Qh5 g6+= 8.Qf3 (8.Qe2 Kf7+=) 8...Bd6 9.Be2 (9.Bd3 Qc7+=) 9...Nd7 (9...Qe7 10.h3+=) 10.Nh3 (10.Qe4 Qe7 11.Qe7 Ne7+=) 10...Qc7–/+ 11.Qe4 (11.Na3 Ne5 12.Qb3 Nf7–/+) 11...Ne7 (11...Ne5 12.Qh4–/+) 12.f4 (12.Qf3 0-0–/+ (worse is 12...Bh2 13.g3+=)) 12...Nb6 13.Rf1 (13.Qd3 Be6 14.Na3 Bf4 15.Nf4 Qf4–/+) 13...Bh3–+ 14.gh3 f5 15.Qf3 a6 (15...Na4 16.Bc1–+) 16.Na3 Na4 17.Bc1 0-0 (17...Rd8 18.Rb1 a5 19.Kd1–/+) 18.Bd1 (18.h4 h5–/+) 18...Nb6 19.d3 (19.Be2 Rfe8–/+) 19...Nd7 (19...Rae8 20.Kf2–/+) 20.Bd2 Rfe8 21.Kf2 b6 (21...Nf6!?–/+) 22.ba6+= Ra6 23.Nb5 Qb8 24.Bb3 (24.Re1 Bc7+=) 24...Bc7 (24...Nf6 25.Rae1 Bc7 26.Re2+=) 25.Rae1 Qc8 (25...Bd8 26.Re2=) 26.Re2= Bb8 (26...Nf6 27.Rfe1 Kf7 28.Kg1=) 27.Rfe1+= Kf8 (27...Kf7 28.Kg1+=) 28.h4 (28.Qg3 Nf6=) 28...Nf6+= 29.Re6 (29.Kg2 Qd7+=) 29...Ne4!–/+ 30.R6e4 (30.R1e4 fe4) 30...fe4 31.de4 h5 (31...Rd8 32.h5–/+) 32.f5+= Kg8 (32...gf5 33.Bh6 Kg8 34.Qg2 Kf7 35.Qg7 Ke6 36.ef5 Kd7 37.f6+–; 32...Bh2 33.fg6 Nf5 34.ef5 (worse is 34.Qf5 Qf5 35.ef5 Re1 36.Be1 Ra8+–) 34...Re1 35.Bh6 Ke8 36.Ke1+–) 33.Rg1 Rf8 (33...Bh2 34.Rg2 Qb8 35.Ke2= (35.fg6?? Rf8–+)) 34.Qh5= Qe6 35.Nd4 Qe4 (35...cd4?? 36.c5 Qb3 37.Rg6 (worse is 37.ab3 bc5 38.Ke2 d3 39.Kd3 Rd8 40.Kc4 Rd4 41.Kb5 Ra3+–) 37...Ng6 A) 38.ab3?! Ne5+= (38...bc5? 39.Qg5+–); B) 38.Qg6 Kh8 39.ab3+–) 36.Rg6 ½–½. Krolik,Zenon – Bendig,Frank, corr 3GMM–36, 1997.

7.d3 Bd6+=

8.Be2 a6 +=.

8.Nf3 a6 9.ba6 Na6 10.Be2 +=.

8.Nf3 Ne7 9.Be2 0-0 10.0-0 a6 11.a4 Bd7 12.Nbd2 b6 13.Ne4 Bc7 14.h3 Ng6 15.a5 ab5 16.cb5 ba5 17.Nc5+/– Re8 18.Nd4 Bb6 19.Bf3 Ra7 20.Ne4 Ne5 21.Nd6+/– Re7 22.N6f5 Bf5 23.Nf5 Nf3 24.Qf3 Red7 25.d4 Rd5? 26.Rfd1 Rb5+= 27.Ba3 Nc6?? 28.d5 Ne5+= 29.Qe4 Rd7 30.d6 Bc5?? 31.Ne7 Kh8+/– 32.Qh4?? Ba3–+ 33.Ra3? Re7 34.de7 Qd1 35.Kh2 Rb8 36.Ra5 Ng6 37.Qe4 Qd6 38.g3 Qe7 39.Qa4 h6 40.Ra7 Qe2 41.Kg2 Ne5 42.Qf4 Qc4 43.Qe3 Qc6 44.Kh2 Nf3 45.Kg2 Nh4 46.Kf1 Rb1 47.Ke2 Qc4 48.Qd3 Re1! 49.Kd2 Qd3 50.Kd3–+ Nf5 51.Kc4 Re2 52.f4 Ng3 53.Kd3 Re4 54.f5 Re5 55.Rf7 Nf5 56.Rf8 Kh7 57.Rb8 Kg6 58.Rb4 h5 59.Rh4 Kg5 60.Re4 Re4 61.Ke4 Ng3 62.Kf3 h4 (62...h4 63.Ke3 Nf5 64.Ke4 Nd6 65.Kf3 Kf5–+) 0–1. nizinna – 1911976, internet, 2011.

8.Nf3 Ne7 9.Be2 0-0 (9...a6 10.Na3+=) 10.0-0 Re8 11.Re1 a6 12.a4 (12.ba6 Na6 13.Nbd2 Nc6+=) 12...ab5 13.ab5 Ra1 ½–½. Roos,Bernhard – Multhauf,Stefan, DESC, 2001.

8.Qh5 g6 Black gets in control 9.Qf3 (9.Qd1 Ne7+=) 9...Nd7 10.Nd2 (10.Qe4 Ne7–/+) 10...Ne5 11.Qe2 Kf7 (11...Bf5 12.Ne4 Qa5 13.Bc3–/+) 12.Ngf3 (12.Ne4 Kg7+=) 12...Nh6 13.Ne4 Re8 (13...Nf3 14.Qf3 Re8+=) 14.0-0-0 (better is 14.Ne5!? Re5 15.Bc1= (15.Nd6?? Qd6 16.Bc1 Kg7–+)) 14...a6–/+ 15.a4 (15.Ne5 Be5 16.Qd2 Kg7–+) 15...ab5–+ 16.ab5 Nf3 (16...Bg4 17.Ne5 Re5 18.f3–/+) 17.Qf3–/+ Bf8 18.h3 Nf5 (18...Kg7!?–/+) 19.g4+= Bh6 (better is 19...Nh4!? 20.Qg3 g5+=) 20.Kc2+= Nh4 21.Qg3 f5 22.Nd6 Kf8 (22...Kg8 23.Ne8 f4 24.Qh2 Qe8 25.Bg2=) 23.Ne8+= f4 24.Qg1 (24.Qh2 Qe8 25.Bg2 Ng2 26.Qg2 Qe2 27.Kb1 f3+=) 24...Qe8 25.f3 (25.Bg2 f3 (25...Ng2?! 26.Qg2 Qe2 27.Kb1+=) 26.Bf1 Bf4+=) 25...Nf3 26.Qf2 Qe3 27.Qe3 fe3 (27...de3 28.Be2 Nd4 29.Bd4 cd4 30.Ra1=) 28.Be2 Ne5 29.Ra1 Rb8 (29...Ra1 30.Ra1 Ke7 31.Ra8=) 30.Ra7 (30.Ra5 Ke7+=) 30...Ke7 31.Rha1 Bf4 32.Ra8 Nd7 (32...Ra8 33.Ra8 Kd8 34.b6=) 33.Rb8 Nb8 34.Rf1 (34.Ra8 h5=) 34...Bg3 (34...Bd6 35.Bf3=) 35.Rf3 (35.Rg1 Be5=) 35...Bd6 36.Rf1 Nd7 37.Kd1 (37.Ra1 Kf6=) 37...Ne5 38.Kc2 (38.Rg1 g5+=) 38...h5–/+ 39.Rg1 (39.gh5!? gh5 40.Bh5 Bh3 41.Ra1–/+) 39...hg4–+ 40.hg4 Kf6 41.g5 (41.Kd1 Kg5–+) 41...Kf5 42.Bc3? (better is 42.b6–+) 42...dc3 43.Kc3 b6 (43...b6 44.Kc2 Kf4–+) 0–1. Sternik,Ryszard – Slawinski, Olsztyn Poland, 1985.

6.e4 Bd6

7.a4 Ne7 8.d3 0-0 9.a5 f5 10.ef5 Bf5 11.Nd2 Nd7 12.Ne4 Nf6 13.Nf6 Rf6 (worse 13...gf6 14.g4 Bc8 15.Bg2=) 14.f3 (14.g4 Be6-/+) 14...Rg6 15.Ne2 Be6 16.g4 e4 (16...a6 17.b6-/+) 17.de4=+ Bc4 (17...a6 18.Qd2=+) 18.Nf4= Bf1 (18...Bf4 19.Bc4 Kh8 20.Bc1=+) 19.Ng6 Ng6 20.Rf1 (20.Kf1 Qh4 21.Kg1 Rf8=+) 20...Qh4=+ 21.Kd2 Qh2 22.Kc1 Bf4 23.Kb1 Ne5 24.Ra2 Qh6 25.Bc1 Rd8 26.Bf4 Qf4 27.Qc1 Qc1 28.Rc1 c4 (better 28...b6=+) 29.f4+/- Ng4 30.Rc4 d3 31.Rd2 Nf6 (31...Kf8 32.Kb2 Ne3 33.Rc3+-) 32.e5+- Nh5 33.Kb2 Rd5 34.Rb4 Kf7 35.Kc3 Ke6 (better 35...g5!? 36.fg5 Re5+-) 36.Rd3 Rc5 37.Kd4?? (37.Kd2 g5 38.Rd6 Ke7+-) 37...Rc1?? (better 37...Nf4 38.Rg3 Rd5 39.Ke3 Ng6=) 38.Ke4+- Re1 39.Re3 (better 39.Kf3 Kf5 40.Rd7 Rf1 41.Ke3 Re1 42.Kf2 Ra1+-) 39...Ra1? (better 39...Rf1 40.Rf3 Re1 41.Kd3 Ra1+-) 40.f5 Ke7 41.Rc4 Kd7 (41...Ra5 42.Rc7 Kd8 43.Rec3 Ng3 44.Kd5 Rb5 45.Ke6 Rb6 46.Kf7+-) 42.Rd3 Ke8 43.Rc8 Ke7 44.Rc7 Ke8 45.Rb7 1-0. opperwezen (2800) - mecker (2335), lichess.org, 2017.

7.d3 Ne7 8.Nd2 (8.Nf3 0-0+=) 8...0-0 9.g4 (9.Ngf3 a6+=) 9...Be6 10.f3 (10.h3 a6 11.a4 Nd7–/+) 10...Ng6 (10...Nd7 11.Bg2–/+) 11.Ne2 Nf4 (11...a6 12.a4–/+) 12.Nf4+= ef4 13.a4 Nd7 (13...Re8 14.Bg2–/+) 14.a5+= Re8 15.Be2 (15.a6 b6+=) 15...Ne5 (15...a6 16.b6+=) 16.0-0 Qd7 (16...a6 17.b6+=) 17.Kg2 (17.a6 b6+=) 17...h5 (17...a6 18.b6+=) 18.h3 Kf7 (18...a6 19.b6+=) 19.Nb3 (19.a6 b6+=) 19...Rh8 20.Bd4? (better is 20.Ba3 Qe7 21.Bc1+=) 20...cd4–+ 21.Nd4 Bc5 22.Ne6 Ke6 23.Qb3? (better is 23.a6–+) 23...Qd4 (better is 23...hg4 24.fg4 Qd4–+) 24.Ra2 (24.g5 fg5 25.a6–+) 24...hg4 25.fg4 f3! (25...f3 26.Bf3 Nf3–+) 0–1. Eric,Dusan – Pirc,Vasja, JUG–ch Vrnjacka Banja, 1962.

7.Qh5 g6 8.Qf3 Be6+=.

6.Qh5 g6

7.Qd1 Bd6 8.Bd3 f5 9.Ne2 Nf6 10.ed4 ed4 11.0-0 0-0 12.a4 Bh2 13.Kh2 Ng4 14.Kg1 Qh4 0–1. jarda1000 – raisavulpe, internet, 2014.

7.Qf3 Bd6 8.Bd3 Qe7 9.Ne2 Nh6 10.e4 Nf7 11.g3?? (better is 11.0-0+=) 11...Ng5–+ 12.Qg2 (12.Nd4 Nf3 13.Nf3 Bh3–+) 12...Bh3 13.Qg1 (13.0-0 Bg2 14.Kg2 Nd7–+) 13...Nf3 (13...Nf3 14.Kd1 Ng1 15.Rg1 Bg4–+) 0–1. olawoj – turgi, internet, 2012.

7.Qf3 Nh6 8.a4 Bg4 9.Qb7 Nd7 10.h3 Bf5 11.g4 Bb1 12.Rb1 Nf7 13.Bg2 Nb6 14.a5 Nd6 15.Bc6 Nd7 16.Qa8 Qa8 17.Ba8 Nc4 18.Bc6 Na5 19.Ba3 Nc6 20.bc6 Nb6 21.ed4 ed4 22.Rc1 Na4 23.Rc4 Nb6 24.Rc1 Na4 25.Ne2 Bd6 26.Nd4 1–0. jura1946 – bandaska, internet, 2014.

5.c4 Be6

6.Qb3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 b6 10.Nf3 Be7 11.Be2 Nh6 12.0-0 0-0 13.d4 e4 14.Nfd2 f5 15.Nc3 dc4 16.Bc4 Bc4 17.Qc4 Kh8 18.Rd1 Nf7 19.Nb3 Nd6 20.Qe2 c4 21.Nd2 Qc7 22.Nd5 Qb7 23.Ne7 Qe7 24.Nc4 Rc8 25.Nb6 Rf8 26.Nd5 Qg5 27.g3 Nd7 28.Rc1 h5 29.Rc7 h4 30.Rd7 hg3 31.fg3 f4 32.Nf4 Nf5 33.d5 Ng3 34.hg3 Qg3 35.Ng2 Rf3 36.Rg7 Qg7 37.Bg7 1–0. brother – pepemartin, internet, 2013.

6.d3 d4 7.Nf3 de3 8.fe3 Qc7 9.Be2 Nd7 10.0-0 0-0-0 11.d4 ed4 12.ed4 cd4 13.Nd4 Be7?? 14.Ne6+– Qb6 15.Nd4 Bc5 16.Kh1 Ne5 17.Bg4 Kb8 18.Rf4 Nc4 19.Qe2?? Bd4 20.Bd4 Rd4 21.Rd4 Qd4–/+ 22.Qe8 Kc7 23.Qc8 Kb6 24.Qe6 Kb5 25.Nc3 Qc3 26.Rb1 Kc5 27.Qc8 Kd4 28.Rd1 Nd2 29.Qd7 Kc5 30.Qc7 Kb4 31.Qb7 Kc4 32.Be6 Kd3 33.Qd5 Kc2–/+ 34.Rd2 Qd2 35.Qb3 Kc1 36.Qc4 Kb1 37.Bf5–/+ Ka1 38.Qf1 Ka2 39.Qb1 Ka3 40.Qa1 Kb4 41.Qb1 Kc5 42.Qg1 Qd4 43.Qc1 Kd6 44.Qa3 Ke5 45.Bc2 Nh6 46.Qg3 Kd5 47.Bb3 Kc6 48.Qf3 Kc5 49.Qf1 Ng4 50.Bf7 Nf2 51.Kg1 Rb8 52.Qc1 Kd6 53.Qa3 Kd7 54.Qa2 Ne4 (54...Ne4 55.Qf2 Rb1) 0–1. vidyashankarh (2055) – ragweeds (2235), net–chess.com, 2003.

6.Qc2 d4

7.d3 Bd6 8.e4 (8.Be2 Nh6=+) 8...Ne7 9.g3 (9.Nf3 a6=+) 9...Nd7 10.Bg2 0-0 11.Ne2 f5 (better 11...a6!? 12.ba6 Qa5 13.Nd2 Ra6=+) 12.ef5= Bf5 13.Bb7 Bh3 (13...Rb8 14.Bg2=) 14.Ng1 (14.Ba8 Qa8 15.Rg1 Qf3+=) 14...Bf5 (better 14...Bg4!?=) 15.Ba8+/- Qa8 16.f3 Bg6 17.Nd2 Nf5 18.Ne4 (18.Nf1!?+/-) 18...Ne3+= 19.Qb3 Bc7 (19...Be4 20.de4 (20.fe4?! Rf1 21.Kd2 Rf2 22.Ne2 Qf8=+) 20...Nb6 21.Bc1+-) 20.Kd2 (20.Bc1 Ba5 21.Ke2 Be4 22.de4 Bc3 23.Be3 Ba1+=) 20...Ba5 21.Kc1?? (21.Ke2 Be4 22.de4 Nb6+/-) 21...Nf6?? (21...Be4 22.de4 Qe4-/+) 22.Ne2?? (better 22.Nc5 Bh5 23.Kb1+=) 22...Ne4-+ 23.fe4 Bh5?? (23...Rf2 24.Bc3 Be4 25.Re1-+) 24.Bd4?? (better 24.g4!? Bg4 25.Ng3=+) 24...ed4 (better 24...cd4 25.c5 Kh8-+) 25.Nd4?? (better 25.Nf4 Bc3 26.Rb1 Rf4 27.gf4-+) 25...cd4-+ 26.a4 Bc3 27.Ra2 Qc8 28.h3 (28.g4 Ng4 29.Rg2 Nf2-+) 28...Bf3 (28...Qh3 29.Qd1 (29.Rh3?? Rf1 30.Qd1 Rd1) 29...Bd1 30.Rah2 Rf2 31.Rh3 Ra2 32.Rd1 Ra1) 29.Rhh2 (29.Rg1 Be4! 30.de4 Qh3 31.c5 Kh8-+) 29...Qc7 (29...Be4 30.Raf2 Rf2 31.Rf2 Qh3 32.Rd2-+) 30.c5 Kh8 31.Qe6 (31.Rab2 Be2! 32.Rh1 Bd3 33.c6 Qg3 34.Qa3 Bb2 35.Qb2 Nc4 36.Qd2 Nd2 37.a5 Qg2 38.Kb2 Nc4 39.Kb3 Qb2 40.Ka4 Qa3) 31…Qg3 (31...Qg3 32.Qg8 Kg8 33.Rh1 Bh1 34.Re2 Rf1 35.Re1 Re1) 0-1. zembelek (2060) - msda (1970), Rated Blitz game, lichess.org, 2014.

7.Bd3 g6 8.Nf3=.

7.Bd3 Bd6

8.Bh7+= Ne7 9.Be4 Qb6 10.d3=.

8.Bh7+= Ne7 9.Be4 Nd7 10.Bb7!? Rb8 11.Bf3+/-.

8.Bh7+= Ne7 9.Be4 Nd7 10.d3 Qc7 11.a4 f5 12.Bf3 g5 Black intends f4 13.a5 g4 14.Be2 f4 (14...a6 15.Qd2=+) 15.e4 g3 (15...a6 16.Qd2=) 16.fg3+= fg3 17.h3 0-0 (better 17...Ng6!?+=) 18.Nf3 Ng6 19.Bc1 Nf4 20.Bf4 (20.Ng5 Rae8 21.0-0 Nf6+-) 20...Rf4 21.Nbd2 Raf8 (21...Nf6 22.Nf1+/-) 22.Nf1+- b6 (22...Nf6 23.Ng3 Qg7 24.Nf1+-) 23.ab6 (23.Ng5 Bf7 24.Ng3 Rf6+-) 23...ab6 (23...Nb6 24.Ng3 R4f6 25.Ng5+-) 24.Ng3 (24.Ng5 Bf7 25.Ng3 Be7 26.Nf7 R4f7+-) 24...Be7 25.Nh5 R4f7 26.Qd2 Nf6?? (26...Kh7 27.Ng5 Bg5 28.Qg5+-) 27.Nf6 (better 27.Qg5 Kh8 28.Ne5 Nh5 29.Ng6 Kh7 30.Nf8 Rf8 31.Qh5 Kg7+-) 27...Rf6 (27...Bf6 28.Ng5 Re7 29.Ne6 Bh4 30.Kd1 Re6 31.Bg4+-) 28.Qg5 Kh8 29.Qh5 (better 29.Qe5!? Qd7+-) 29...Kg7 30.Ne5?? (30.Rg1 Bd6+-) 30...Bd6?? (better 30...Rh6 31.Qh6 Kh6 32.Ng4 Kg6-+) 31.Ng4 (31.Qg5!? Kh7 32.Nc6 Rg6+-) 31...Bg3 (31...Rg6 32.e5 Be7 33.Nf6 Bf6 34.ef6 Rgf6 35.Bf3 Qg3 36.Kd1+=) 32.Kd1 Rg6 33.Rf1 Rf1 (33...Bf4 34.g3! Bg4 35.Bg4+- (worse 35.hg4 Rh6 36.gf4 Rh5 37.gh5 Rf4+-)) 34.Bf1 Bg4 35.hg4 Qd7 (35...Rh6 36.Qd5+-) 36.Be2 Bf4 37.Qf5 Qd6 (37...Qf7+-) 38.Ra7 Kh6 39.g5! Bg5 (39...Bg5 40.Qh3 Mate attack; 39...Rg5 40.Qh7 Mate attack) 40.Qh3 (40.Qh3 Bh4 41.Qh4) 1-0. zembelek (2020) - msda (1980), Rated Blitz game, lichess.org, 2014.

8.Bh7+= Ne7 9.Be4 Nd7 10.g3 f5 (better 10...Qc7!?=) 11.Bb7+/- Nb6 12.d3 (better 12.Na3 Rb8 13.Bg2+/-) 12...0-0? (12...Rb8 13.Bf3+/-) 13.a4 (13.ed4 Rb8 14.de5 Rb7 15.ed6 Qd6+-) 13...e4 (13...Rb8 14.Bg2 e4+-) 14.a5 (better 14.de4!? de3 15.fe3 (15.Ba8?! ef2 16.Qf2 Qa8+/-) 15...Nc4 16.Ba8 Qa8 17.Nd2 Nb2 18.Qb2 fe4 19.Rd1+-) 14...ed3+= 15.Qd3 Nc4 16.Bc1 (16.ed4 Be5 17.Nf3 (17.de5?? Qd3 18.Ba8 Ra8-+) 17...Nb2 18.Qe2+=) 16...de3 17.Be3 Rb8 18.a6 Nb6?? (better 18...Be5!? 19.Ra3 Qb6-/+) 19.Nd2 (19.Nc3 Be5 20.Qd8 Bc3 (worse 20...Rbd8 21.Rc1+/-) 21.Qd2 Bd2 22.Kd2 Nc4 23.Ke2 Ne3 24.Ke3 Bd5=) 19...Qc7 (19...Ned5!? 20.Rd1 Ne3 21.fe3 Bg3 22.Ke2 Bd6=+) 20.Ngf3+= Rbd8 (20...Bd5 21.Bd5 Ned5 22.Rc1+=) 21.Qc2 (21.Ng5 Rf6 22.Rc1 Bd5+/-) 21...Ned5+= 22.0-0 Ne3 (22...Nb4 23.Qb1 f4 24.gf4 Bf4 25.Qe4+=) 23.fe3+/- Nd5 24.Rae1 (24.Nc4 Be7+/-) 24...Nb4 (24...Bg3 25.Re2 Nb4 26.Qc3=) 25.Qb1 (25.Qc3 Rf6+=) 25...Rb8 (25...Qb6!?=) 26.Ng5+/- Ba2 27.Qa1 (27.Qd1 Be7 28.Qh5 Bg5 29.Qg5 Qd8 30.Qd8 Rbd8+/-) 27...Be5 (better 27...Bg3!? 28.Re2 Bh4=+) 28.Qd1+/- Rb7? (better 28...g6!?+/-) 29.ab7+- Bg3?? (better 29...g6 30.Ngf3 Bg7+-) 30.Qh5 (30.hg3 Qg3 31.Kh1 Qh4 32.Kg2 Qg5 33.Kh1 Bd5 34.e4 Bb7 35.Qb3 Rf7-/+) 30...Bh2 31.Qh2 Qh2 32.Kh2 Nd3 (32...g6 33.e4 f4+-) 33.Ra1 (33.Rf5 Rf5 34.b8Q Rf8 35.Qa7 Ne1 36.Qa2 Kh8+-) 33...Nb4 (33...Rb8 34.Ra2 Rb7+-) 34.Ra2! Na2 35.Ra1 (better 35.Rf5! Re8 36.Rc5 Kh8 37.Rc8 g6 38.b8Q Rc8 39.Qc8 Kg7 40.Qd7 Kh6 41.Ndf3 Nc3 42.Qh7) 35...Rb8 36.Ra2 Rb7 37.Nc4 (37.Nb3 Kf8 38.Nc5 Re7+-) 37...g6 38.Ra6 Kg7 39.Ne6 (39.Ne5 Kf8+-) 39...Kh6 40.Nc5 (40.Nd6 Re7 41.Nc5 Kh5+-) 40...Rc7 (40...Rb5 41.Nd3 Rb7 42.Nde5+-) 41.Rc6 Rb7 (41...Re7 42.Ne6 Rb7 43.Ne5+-) 42.Nd6 (better 42.Nb7 Kg7+-) 42...Re7 (42...Rb8 43.Kg3 Rf8 44.Nd7+-) 43.e4 (better 43.Nf5 Kh7 44.Ne7 Kg7 45.Rg6 Kf7+-) 43...fe4 (43...Kg5 44.Kg3 f4 45.Kf3+-) 44.Nce4 (better 44.Nf5! Kg5 45.Ne7 Kf4+-) 44...Kh5 (44...Kg7 45.Nc5+-) 45.Kg3 Kh6 (45...Re4 46.Ne4 Kh6 47.Kg4 a6 48.ba6 Kg7 49.Rc7 Kh6 50.a7 g5 51.a8Q Kg6 52.Qc6) 46.Nf5 (46.Nf5 Kh5 47.Ne7 Kh6 48.Rg6 Kh7 49.Nf6 Kh8 50.Rg8) 1-0. zembelek (2055) - msda (1960), Rated Blitz game, lichess.org, 2014.

6.cd5 Qd5

7.Nc3 Qd8 8.Nf3 Nd7 9.d4 cd4 10.ed4 Bd6 11.Bd3 Rc8 12.Ne4 Bb4 13.Kf1 ed4 14.a3 Be7 15.Nd4 Qb6 +=.

7.Nc3 Qd6

8.Be2 Nh6 9.Nf3 Nd7 10.d4 cd4 11.ed4 Rd8 12.0-0 Qb4 13.Qb1 Bf5 14.Qc1 Bd6 15.Nd5 Qa5 +=.

8.Nf3 Nd7

9.Rc1 Rd8 10.Qa4 Ra8 11.d4 cd4 12.ed4 Nb6 13.Qc2 ed4 14.Rd1 Qe7 15.Rd4 Rc8 =.

9.Qc2 Ne7 10.Be2 Rd8 11.Ne4 Qb6 12.0-0 Nd5 13.Bc4 Qc7 14.a3 N7b6 15.Be2 Qd7 =.

9.Qc2 Ne7 10.Ne4 Qb6 11.a4 Nd5 12.Bc4 Qd8 13.a5 Nb4 14.Qb3 Bc4 15.Qc4 Qe7 +=.

9.Qc2 Ne7 10.Ne4 Qb6 11.Bc4 Bc4 12.Qc4 a6 13.a4 ab5 14.ab5 Ra1 15.Ba1 Ng6 +=.

9.Qc2 Ne7 10.Ne4 Qb6 11.Bc4 Bc4 12.Qc4 a6 13.a4 ab5 14.ab5 Ra1 15.Ba1 h6 +=.

6.cd5 Bd5

7.Nc3 Be6 8.a4 Bd6 9.d3 Ne7 10.g3 0-0 (10...Nd5 11.Bg2 Be7 12.Qh5 g6 13.Qe2+=) 11.Bg2= Qc7 12.Be4 (12.Qf3!? Qa5 13.Qb7=) 12...f5+= 13.Bg2 1–0. Baer,Cy (1895) – "Nimzowitsch,Aaron", remoteschach.de, 2008 (Why it’s still allowed with nicks like this??? Bad nick habit! – Marek).

7.Nc3 Be6 8.Nf3 Nd7 9.d4 cd4 10.ed4 Bd6 11.Bd3 Rc8 12.Ne4 Bb4 13.Kf1 ed4 14.a3 Be7 15.Nd4 Qb6.

7.Nc3 Be6 8.Nf3 Ne7 9.d4 cd4 (9...ed4 10.ed4 Nd5 11.Be2+=) 10.ed4+= Ng6 11.de5 Qd1 12.Nd1 Bb4 13.Bc3 Bc3 14.Nc3 Ne5 15.Ne5 (15.Nd4 Ke7+=) 15...fe5= 16.Bd3 Nd7 17.0-0 Nc5 (17...Rc8 18.Rac1=) 18.Bc2 0-0 19.Rae1 (19.Rfe1!? Nd7 20.Be4+=) 19...Bc4= 20.Re5 Bf1 21.Rc5 Rac8 22.Bb3 Kh8 23.Rc8 Rc8 24.Kf1 Rc3 25.Ke2 g6 26.h4 Kg7 27.g4 (27.Kd2!? Rc5 28.a4-/+) 27...Rh3-+ 28.Be6 Rh4 29.Ke3 Kf6 30.Bc8 b6 31.f3 (31.Kf4 g5 32.Kg3 Rh1-+) 31...Rh1 32.Kf4 (32.f4 Rb1-+) 32...Ra1 (32...g5 33.Ke3-+) 33.g5 Ke7 34.Ke5 Ra2 35.Bb7 Rb2 36.Bc6 (36.Ba6 Re2 37.Kd4 Ke6 38.Bc8 Kd6-+) 36...Rc2 37.Kd5 (37.Bb7 Rc5 38.Kd4 Rb5-+) 37...Rc5 38.Kd4 Rg5 0-1. zembelek (2170) - Irfan_fr (1930), Rated Blitz game, lichess.org, 2013.

7.Nc3 Be6 8.Nf3 Ne7 9.Be2 Nf5 10.0-0 Be7 11.Ne4 0-0 12.Qc2 Nd7 13.Bd3 (13.Bc4 Bf7+–) 13...Rc8 (13...Kh8 14.Rfc1+=) 14.Ng3 (14.Bc4 Bf7+=) 14...Ng3+= 15.Bh7 Kh8 16.fg3 (16.hg3 f5 17.Bg6 e4+=) 16...f5+= 17.Bg6 Rf6?? (better 17...e4 18.Ne5 Bd6 19.Nd7 Bd7+=) 18.Nh4+– Rg6 (18...c4+–) 19.Ng6 Kh7 (19...Kg8 20.Rf5 Bf5 21.Qf5 Bf6+–) 20.Rf5 Bf5 (20...Kg6 21.Rf8 Kh6 22.Rd8 Bd8+–) 21.Qf5 Kg8 22.Qe6 Kh7 23.Ne7 (23.Ne7 Qe7 24.Qe7 Nf6 25.Rf1 Kg8 26.Qe6 Kh7 27.Qc8 Kh6 28.Be5 c4 29.Bf6 gf6 30.Qh8 Kg6 31.Rf6 Kg5 32.Qh4) 1–0. DEFFM – dimic, freechess.org, 2019.

7.Nc3 Bf7 8.Qf3 Qc7 9.Nd5 (9.Bd3 Nd7+=) 9...Bd5 (better 9...Qd6 10.Nc3 Qc7=) 10.Qd5+– Ne7 11.Qe6 Qd7 (11...Nd7 12.Nf3+–) 12.Qb3 Qd5 13.Qc2 Nd7 14.Nf3 Nb6 15.e4 Qd7 (15...Qf7 16.Be2+– (worse 16.Qc5 Rc8 17.Qe3 Nc4+–)) 16.a4+– (worse 16.Qc5 Rc8 17.Qe3 Ng6+=) 16...Ng6 17.a5 (17.g3 Rd8+–) 17...Nc8 18.Bc4 (18.a6!?+–) 18...Nd6+= 19.0-0 (19.a6 Nc4 20.Qc4 b6=) 19...Nf4= 20.Ne5 (20.Ra3!?=) 20...fe5=+ 21.Be5 Ng6 22.f4 (22.Bg3!?=+) 22...Ne5–/+ 23.fe5 Nc4 24.Qc4 0-0-0 (better 24...Qd4!? 25.Qd4 cd4–/+) 25.a6= b6 (25...Be7!? 26.Rf7 Rhe8=) 26.Rf7+= Qd4 (26...Be7!? 27.d4 Qd4 28.Qd4 Rd4 29.Re7 Rd7+=) 27.Qd4+– Rd4?? (better 27...cd4 28.Ra7 d3+–) 28.Ra7+– Re4 (28...Kb8 29.Rb7 Ka8 30.Rf1 Bd6 31.ed6 Rb8 32.Rg7 Rd2 33.Rff7 Rd1 34.Kf2 Rd2 35.Ke3 Rd3 36.Kd3 c4 37.Kc3 Re8 38.Ra7 Kb8 39.Rgb7 Kc8 40.Ra8) 29.Ra8 Kc7 30.a7 c4 31.Rc8 Kc8 32.a8Q Kd7 33.Qc6 (33.Qc6 Kd8 34.Ra8 Ke7 35.Qe8) 1–0. GuestGVBM – stevesym, freechess.org, 2020.

7.Nc3 Bf7 8.Nf3 Nd7 9.Be2 g6 10.Ne4 Qb6 11.a4 a5 12.0-0 Bg7 13.d4 cd4 14.ed4 Ne7 (better is 14...Bd5!? 15.Nc3 Bf7+/–) 15.de5+– fe5?? (better is 15...Ne5 16.Nd6 Kf8 17.Ne5 fe5+–) 16.Nd6 Kf8 17.Nf7 Kf7 18.Qd7 Rhd8 (18...Rad8 19.Ng5 Kf8+–) 19.Ng5 Kf6 (19...Kf8 20.Nh7 Kg8 21.Qe7 Rdc8+–) 20.Ne4 (20.Nh7 Kf7 21.Bc4 Qe6 22.Be6) 20...Kf7+– 21.Bc4 Kf8 22.Qg4 Nf5 (22...Ke8 23.Ng5 Bf6 24.Nh7+–) 23.Ng5 (better is 23.Ba3 Ke8 24.Bc5+–) 23...Nh6 (23...Ke8+–) 24.Ne6 Ke7 (24...Kg8 25.Nd8 Kh8 26.Nf7 Nf7 27.Bf7 Rf8+–) 25.Qh4 Ke8 26.Ng7 Kf8 27.Ne6 Ke8 28.Nd8 (better is 28.Qh6!? Rd6 29.Ba3 Rad8+–) 28...Rd8 29.Qh6 Qd6 30.Rad1 (30.Qh7 Rd7 31.Qh8 Ke7 32.Ba3 b6 33.Rad1 e4 34.Rfe1 Rd8 35.Qg7 Ke8 36.Qf7) 30...Qb4 31.Rd8 Kd8 32.Rd1 Ke7 (32...Kc7 33.Be5 Kb6 34.Qe3 Qc5 35.Rd6 Ka7 36.Qc5 b6 37.Qb6 Ka8 38.Bd5) 33.Qg7 Ke8 34.Qf7 1–0. Rancic,Danijela (1920) – Nikolic,Miljana, Nis Serbia, City Championship, 2010.

5.c4 Ne7

6.a4 Be6 7.Be2 (7.cd5!? Bd5 8.Nc3=+) 7...dc4–/+ 8.Na3 (8.d3–/+) 8...a6 (8...Bd5 9.f3 Nd7 10.Bc4 Nb6 11.Bd5 Nbd5=) 9.Nc4 (9.Bc4 Bc4 10.Nc4 Qd3=) 9...ab5 10.ab5 Ra1 11.Qa1 Ng6 (11...Nd5 12.Bh5 g6 13.Bf3=+) 12.d3 Be7 13.Nf3 0-0 (13...Qd7 14.b6=) 14.0-0 Qd7 15.Qa4 Na6 (15...Bd6 16.Nd6 Qd6 17.d4 ed4 18.ed4+=) 16.Ra1 (16.Nb6 Qd6 17.Nc4 Qd7=) 16...Nb4 17.d4 (17.b6 Qd5 18.d4 cd4 19.ed4 Nf4=+) 17...ed4 (17...cd4 18.ed4 Nf4 19.Bf1=) 18.ed4 Nf4 19.Bf1 Bd5 (19...Rc8 20.Nb6 Qd8 21.Nc8 Qc8 22.Ba3+–) 20.Nb6= Qg4 21.Nd5 Nh3 22.Kh1 Nf2 23.Kg1 Nh3 ½–½. Kilpatrick,Robert – Hjortstam,Kurt, corr 3GMM–01, 1995.

6.d4 cd4 7.ed4 Nd7 =.

6.d4 ed4 7.ed4 cd4 8.Nf3 Nf5 9.Nd4 Bb4 10.Nd2 0-0 11.Nc2 Ba5 12.Bd3 dc4 13.Bc4 Kh8 14.Bc1 Re8 15.Kf1 Be6 –/+.

6.d4 Nd7 =.

6.Nf3 e4 7.Nh4 =+.

6.Nf3 Be6 7.Qc2 Bf5 8.d3 dc4 9.Qc4 Nd5 10.e4 Nb6 11.Qb3 Bg6 12.a4 Be7 13.Be2 Bf7 14.Qc2 0-0 15.0-0 a6 16.Nc3 Qd6 17.Ba3 (17.Nh4 g6=) 17...ab5+= 18.ab5 N8d7 19.Rfc1 Rfd8 20.Nh4 g6 21.g3 Nf8 22.Ng2 Ne6 23.Rd1 Nd4 24.Qb1 (24.Qb2!?–/+) 24...Na4–+ (24...Ne2?! 25.Ne2 Qd7 26.Ne3–/+) 25.Na4 Ra4 26.Kf1 (26.Bg4 Rda8 27.Bb2 Ba2–+) 26...Nb3 (26...Ne2?! 27.Ke2 Rda8 28.Qb2–+) 27.Bb2 Na1 (27...Ra1?! 28.Ba1 Ra8 29.Bc3–/+) 28.Ba1 Rda8 (28...Rb4 29.Bb2–+) 29.Bc3 Be6 30.Rd2 Ra3 31.Qc1 Qb6 32.f4 Qb5 33.fe5 fe5 34.Be5 c4 35.Bb2 cd3 (35...cd3 36.Bf3 Rc8 37.Ba3 Rc1 38.Bc1 Qb1–+) 0–1. Wallace,Gary – Poschmann,Hans, corr or01–001 E–mail, 2001.

5.bc6 bc6

6.c4 d4 7.ed4 ed4 8.d3 Bf5 (8...Qb6 9.Qc2=+) 9.Nf3= c5 10.a4 (10.Be2 Nc6=) 10...Bd6 11.Be2 Ne7 12.0-0 0-0 13.Nbd2 Nbc6 14.Re1 Nb4 15.Ne4 Be4 16.de4 Ng6 17.a5 Ne5 18.Ba3 (18.Qd2 d3 19.Bd1 Qc7 (19...Nc4? 20.Bb3+-) 20.Ne5 Be5 21.Be5 fe5-/+) 18...Rb8 19.Bb4 Rb4 Attacking the isolated pawn on c4 20.Nh4 (20.Bd3 a6=+ (20...Nc4? 21.Bc4 Kh8 22.Qd3+-)) 20...Bc7-/+ (20...Nc4? 21.Bc4 Kh8 22.Qd3+-) 21.Nf5 Ba5 (21...Nc4? 22.Bc4 Kh8 23.Qd3+-) 22.Bf3? (better 22.f4 Nc6 23.Bd3-/+) 22...Rc4 23.Qb3? (23.Re2 g6 24.Ng3 Nf3 25.gf3 Rb4-+) 23...Qb6 (23...Be1!? 24.Re1 g6 25.Be2-+) 24.Qa2 (24.Reb1 Qb3 25.Rb3-+) 24...Nf3 (better 24...Be1 25.Be2 Bf2 26.Kf2 d3-+) 25.gf3+/- Be1 26.Re1?? (better 26.Qc4 Kh8 27.Re1+/-) 26...Qe6-+ 27.Rc1?? (27.Ne7 Qe7 28.Qc4 Kh8 29.Qd3-+) 27...Rc1 28.Kg2 Qa2 (28...Qa2 29.Ng3 Rc2 30.Kh3 Rf2 31.Kg4 h5 32.Nh5 Rg2 33.Kh3 Rh2 34.Kg4 Qe6 35.Kg3 Qh3 36.Kf4 g5) 0-1. brucepeng (1995) - WasisBudoyo (2000), lichess.org, 2021.

6.c4 Ne7 7.cd5 cd5 (7...Nd5 8.Nc3=) 8.Bb5 Nbc6 9.Nf3 (9.Ba3 Bd7+=) 9...Qb6 (better is 9...Rb8 10.Nc3 Qa5–/+) 10.Qc2?? (better is 10.Nc3+=) 10...Qb5–+ 11.Nc3 Qc5 12.0-0 (12.Qa4 Qb4–+) 12...d4 13.ed4 ed4 (worse is 13...Nd4 14.Nd4 ed4 15.Qa4 Bd7 16.Ne4 Ba4 17.Nc5–+) 14.Qe4 dc3 15.Bc3 Bf5 16.Qa4 0-0-0 (16...Bd3 17.Rfe1–+) 17.Qa6 (17.Rac1 Qd5 18.Bb4–+) 17...Kb8 (better is 17...Kd7–+) 18.Rab1 Bb1 19.Rb1 Kc7 (better is 19...Qb6! 20.Rb6 ab6 21.Qb6 Kc8–/+) 20.Rb7= Kd6 21.Bb4 Qb4 22.Rb4 Nd5 23.Rc4 Rc8?? (23...Nb6 24.Nd4 A) 24...Nc4? 25.Nc6 Rd7 26.Na7 (26.Qc4 Rc7–+) 26...Ke5 27.Qb5 Kd6 28.Qc4+–; B) 24...Nb8+/–) 24.Qc8+– (24.Qc8 Nde7 25.Qa6+–) 1–0. GuestYNSG – GuestYPSR, freechess.org, 2017.

6.Qh5 g6 7.Qd1 Bg7 8.c4 Ba6 9.cd5 cd5?? 10.Qa4?? Qd7= 11.Qd7 Kd7 12.Ba6 Na6 13.Nc3 Nb4 14.Ke2 e4 15.a3 Nd3–/+ 16.Bc1 f5 17.Nh3 Ne7 18.Rb1 Rab8 19.a4 d4 20.ed4 Rb1 21.Nb1 Nc1?? 22.Rc1=+ Rc8 23.Rc8+= Kc8 24.Ng5 h6 25.Ne6+= Bf6 26.Nc3 Kd7= 27.Nc5 Kc6 28.Nb5 Nd5 29.Nb3 a6= 30.Nc3 Nb4 31.Na5 Kd6=+ 32.Nb3 Nc2 33.d3 ed3 34.Kd3+/– Ne1 35.Kd2 Ng2= 36.Kd3 Nf4 37.Ke3 Nd5 38.Nd5 Kd5=+ 39.Kd3 g5 40.f3 g4 41.fg4–/+ fg4 42.Ke3 Bg5–+ 43.Kf2 Kc4 44.Nc5=+ a5 45.Ne6 Bf6 46.Ke3= h5 47.Ke4 Be7 48.d5 Bd6 49.Ng7 Bh2 50.Nh5 g3 51.Kf3 Kd5 52.Nf4?? Kc4–+ 0–1. mic (2200) – rpatru (2140), net–chess.com, 2008.

6.c4 Bd6

7.a4 Ne7 8.Nf3 Be6 9.cd5 cd5 10.Be2 Nbc6 11.0-0 (11.Na3 a6=+) 11...0-0 (11...e4 12.Nd4 Bh2 13.Kh2 Qb8 14.Kg1 Qb2 15.Ne6 Qa1 16.Nc7 Kf7 17.Na8 Ra8 18.d4-/+) 12.d3 Rb8 13.Ba3 Na5 (13...d4 14.ed4 Ba3 15.Na3 Nd4 16.Nd4 Qd4 17.Nc2-/+) 14.Nbd2 Qd7 15.g3 (15.d4 Rfc8=+) 15...Rfd8 16.Bd6 Qd6 17.e4 (17.d4 Nac6=+) 17...d4 18.Nh4 Bb3 19.Nb3 Rb3 (19...Nb3 20.Rb1 Qa3 21.f4 ef4 22.gf4-/+) 20.Bg4 (20.f4 Rdb8=+) 20...Rdb8 21.Nf5 Nf5 22.Bf5 Qb4?? (better 22...g6 23.Bg4 Qa6-/+) 23.Be6+/- Kh8 24.Bb3 Nb3 25.Rb1 Qa4 26.Qc2 h6 (better 26...a5+/-) 27.Rb2+- Rb6 28.Rfb1 (better 28.Qc8 Kh7 29.Rc2+-) 28...Nc5+/- 29.Qc5 (29.Qa4 Na4 30.Rb6 ab6+/-) 29...Rb2 30.Qc8 (30.Rb2?! Qa1 31.Kg2 Qb2 32.Qc8 Kh7 33.Qf5 Kg8 34.Qc8 Kf7 35.Qd7 Kg6 36.Qf5 Kf7 37.Qd7 Kf8 38.Qd8 Kf7 39.Qd7=) 30...Kh7 31.Qf5?? (31.Rc1 Qa5 32.Qf5 Kg8 33.Rc8 Kf7 34.Kg2+-) 31...Kg8 (better 31...g6 32.Qf6 Rb1 33.Kg2 Qe8-+) 32.Qe6 Kh8 33.Qc8 Kh7 34.Qf5?? (34.Rc1 Qa5 35.Qf5 Kg8 36.Rc8 Kf7+-) 34...Kg8 (better 34...g6 35.Qf6 Rb1 36.Kg2 Qe8-+) 35.Qe6= Kh8 36.Qe8?? (better 36.Qc8 Kh7=) 36...Qe8-+ 37.Rb2 Qa8 0-1. brucepeng (1920) - Herbstlaub (1985), lichess.org, 2020.

7.Nf3 Ne7 8.Nc3 Be6 9.Be2 (9.d4 Nd7=) 9...0-0 (9...dc4 10.Ne4=+) 10.d3 (10.d4 Nd7=) 10...a6 11.0-0 Nd7 12.a4 Rb8 13.Ba3 Ba3 14.Ra3 Nc5 Black plans e4 (14...dc4!? 15.dc4 Nc5=+) 15.d4+= e4 (15...ed4 16.ed4 Ne4 17.cd5 cd5 18.Qd3=) 16.dc5 ef3 17.Bf3 dc4 18.Ne4 Bd5 (18...Qd1!? 19.Rd1 Rb2=) 19.Nd6+= Bf3 (19...Qa5 20.Qd4+=) 20.Qf3+/- Nd5 (better 20...Qa5 21.Qg4 Nd5 22.Qc4 Rb4+/-) 21.h3 (21.e4 Nc7+-) 21...Rb4 (better 21...Qa5!? 22.Qf5 Qc5 23.Qe6 Kh8=) 22.Rc1 Qe7 23.Nc4 (better 23.e4 Nc7 24.Rac3+=) 23...Qc5-/+ 24.Qe4 Rc4 25.Qc4 Qa3 26.Qc6 (26.e4 Qd6 27.ed5 cd5 28.Qc6=+) 26...Nb4?? (better 26...Nb6-+) 27.Qc5?? (better 27.Qe6 Kh8 28.Rc8=) 27...Qb3 (27...Qa4 28.Qd4-+) 28.Rc3? (28.Qe7 a5-+ (28...Qa4? 29.Qe6 Kh8 30.Rc8 Qa1 31.Kh2 Qe5 32.Qe5 Rc8 33.Qa5+-)) 28...Qb1?? (better 28...Qa4 29.Kh2 Re8-+) 29.Kh2-/+ Qb2 (better 29...a5 30.Qa5 Qe4=+) 30.f3?? (30.Qc4 Kh8 31.Rb3 Qf2 32.Qb4=) 30...h6?? (30...a5 31.e4-+) 31.Rc4?? (31.Qc4 Kh7 32.Rb3 Qe5 33.f4 Qf5 34.Rb4 Re8+/-) 31...Nd3?? (better 31...Rb8-+) 32.Qd5+/- Kh8 33.Qd3 Qe5 34.f4 Qe6 35.Rd4 Re8 (35...a5 36.Rd5+-) 36.Rd8 (36.Rd6 Qe3 37.Qe3 Re3 38.Ra6 Kh7+-) 36...Qe7 (better 36...Rd8!? 37.Qd8 Kh7+/-) 37.Re8+- Qe8 38.e4?? (38.Qa6 Qe3 39.Qc8 Kh7 40.Qf5 Kg8+-) 38...Kh7? (better 38...Qa4 39.Kg3 Qc6=) 39.e5+- Kg8? (39...Qg6 40.Qg6 (40.Qa6?! Qe4+-) 40...Kg6 41.e6+-) 40.Qd5 (40.Qa6 fe5 41.Qb5 Qf7 42.Qb8 Kh7 43.Qe5 Qa7+-) 40...Qf7?! (40...Kh8 41.e6 g6+-) 41.e6 Qe7 42.f5 (42.Qa8 Kh7 43.Qa6 f5+-) 42...Kf8?? (better 42...Qc7 43.Kg1 Qc1 44.Kf2 Qf4 45.Ke2 Qa4 46.e7 Kh7+-) 43.Qa8+- Qe8 44.Qa6 (44.Qe8 Ke8 45.Kg3+-) 44...Qe7 (44...Qb8 45.Kg1+-) 45.Qb5 (better 45.Qc8 Qe8 46.Qe8 Ke8+-) 45...g6 (45...Qc7 46.Kg1+-) 46.a5 (46.Qd7 gf5 47.a5 Qd7 48.ed7 Ke7+-) 46...gf5 (46...Qc7 47.g3 Qc2 48.Kg1 Qd1 49.Kf2 Qc2 50.Ke3 gf5 51.Qb4 Ke8 52.a6+-) 47.Qf5 (better 47.Qd7+-) 47...Qc7 (47...Qd6 48.Kg1 Ke7 49.Kf2+-) 48.g3 Qe7 (48...Qe7 49.a6 Qd8 50.e7 Qe7 51.Qc8 Kf7+-). brucepeng (2020) - lenny0404 (2035), lichess.org, 2021.

6.c4 Be6

7.cd5 cd5 8.a4 Nd7 9.Nc3 Bc5 (9...Rb8 10.Qc2=+) 10.Bb5 (10.d4 Bb4=) 10...Ne7 11.Nf3 0-0 (11...a6 12.Bd7 Qd7 13.d4=+) 12.d4= Bb4 13.de5 fe5 (13...Ne5 14.0-0=) 14.0-0+= e4 (14...Rf5 15.g4 Rf6 16.Bd7 Qd7 17.Ne5+/-) 15.Nd4 Bf7 16.Qb3 (16.Ne4!? de4 17.Nc2+/-) 16...a5 17.Nc6?? (better 17.Rab1=) 17...Nc6-+ 18.Bc6 Rb8?? (better 18...d4 19.Nd5 Rc8-+) 19.Bb5?? (19.Bd5!? Qh4 20.Nb5+=) 19...Nc5?? (better 19...d4 20.Nd5 Nc5-+) 20.Qc2 d4 (20...Be8 21.Rfd1 Bb5 22.ab5=+) 21.ed4= (21.Ne4? d3 22.Qc5 Bc5 23.Nc5 d2-+) 21...Qd4 22.Rad1 Qf6 (22...Bb3!? 23.Rd4 Bc2=) 23.Ne4 Qb6? (23...Qg6 24.f3+=) 24.Nd6?? (24.Bg7 Bb3 25.Qb2 Rf7 26.Nf6 Rf6 27.Bf6 Qe6+-) 24...Bb3?? (24...Na4 25.Bg7 (worse 25.Qa4 Bd6 26.Rd6 Qd6-/+) 25...Kg7 26.Nf5 Kh8 27.Ba4+=) 25.Qe2?? (better 25.Bc4 Bc4 26.Qc4 (26.Nc4?! Qe6+/-) 26...Kh8 27.Nf7 Rf7 28.Qf7+-) 25...Bd1?? (25...Qc7 26.Be5 Bd1 27.Rd1 Qe7 28.Bc4 Kh8 29.Nf7 Rf7 30.Bb8 Nd7 31.Qe7 Re7+- (31...Be7?? 32.Bf7 Nb8 33.Re1+-)) 26.Rd1 (26.Bc4 Kh8 27.Qe7 Ne6 28.Be6 Qd4 29.Bd4 Rf6 30.Qf6 gf6 31.Bf6) 26...h6?? (26...Qc7 27.Ne8 Rbe8 28.Be8 Qf4+-) 27.Qc4 (better 27.Qe7 Rf6 28.Bf6+-) 27...Kh8+/- 28.Qd4 (better 28.Be5+/-) 28...Ne6= 29.Qe4?? (29.Qh4 Kg8 30.Qg3 Rf2 31.Qf2-+) 29...Qf2-+ (29...Rf2?! 30.Nc4 Qc5 31.Kh1-+) 30.Kh1 Ng5 (better 30...Rb5!? 31.h3 Rg5 32.Nc4-+) 31.Qd4?? (better 31.Qe5 Rg8 32.Bd4-/+) 31...Qd4-+ 32.Bd4 (32.Rd4?? Rb5! 33.h4 Bd6 34.Rd6 Rb2 35.hg5 Rf4 36.gh6 Ra4 37.Rd8 Kh7 38.hg7 Kg7-+) 32...Rbd8 (better 32...Bd6 33.g3 Rfd8-+) 33.h3?? (33.Nb7 Ne6 34.Nd8 Rd8 35.Bg7 Kg7 36.Rd8 Nd8 37.g4-+) 33...Rd6 34.Kh2 Rfd8 35.Bg7 Kg7 36.Rc1 Rd2 37.Rc7 (37.h4 Bd6 38.Kg1 Bg3-+) 37...Kf6 (37...Kh8 38.Rc1-+) 38.Rc6 Bd6 39.Rd6 (39.Kg1 Ne4 40.Rc1 Bc5 41.Rc5 Nc5-+) 39…R8d6 (39...R8d6 40.h4 Nf3 41.Kh3 Nd4-+) 0-1. brucepeng (1965) - Fischer95 (1960), lichess.org, 2020.

7.cd5 cd5 8.Nf3 Nd7 9.Be2 Bd6 10.0-0 Ne7 (10...Rb8 11.Qc2=+) 11.d3 (11.Ba3 Ba3 12.Na3 Qa5=+) 11...0-0 12.Nbd2 Rb8 13.Rb1 (13.Bc3 Qe8=+) 13...a5 (13...Qa5 14.a3-/+) 14.a4 Nc5 Black intends e4 (14...Qc7 15.Rc1 Nc6 16.Bc3=+) 15.d4= Ne4 (15...Nd7 16.de5 fe5 17.Ng5=) 16.Bd3 (16.de5!? fe5 17.Ne4 de4 18.Nd2+=) 16...Nd2=+ 17.Qd2? (better 17.Nd2 e4 18.Bb5=+) 17...e4-+ 18.Be4? (18.Bc3 ef3 19.Ba5-+) 18...de4 19.Ne1 Bb4 20.Qe2 Qc7 (better 20...Rc8-+) 21.Nc2 (21.Rc1 Qd7 22.f3-+) 21...Bc4 22.Qd1 Bf1 23.Nb4 Rb4 (better 23...Bc4 24.Rc1 ab4 25.Qc2-+) 24.Qf1 (24.Rc1 Bc4 (24...Rb2?! 25.Rc7 Be2 26.Qe1-/+) 25.Ba3 Nd5-+) 24...Qc2 25.Qc1 (25.h3 Rfb8 26.Qc1 Qe2-+ (26...Rb2?! 27.Qc2 Rc2 28.Rb8 Kf7 29.Rb5-+)) 25…Qc1 (25...Qc1 26.Rc1 Rb2-+) 0-1. brucepeng (2025) - AMPaunescu (2080), lichess.org, 2020.

7.Nf3 dc4 8.Qa4 (8.Ba3 Nd7=) 8...Qd5 (8...Qb6!? 9.Qc2 Bf5=+) 9.Nc3= Qc5 10.Be2 Nh6 11.0-0 Be7 12.Nb1 (12.Rfc1 Nd7=) 12...Qb5 13.Qc2 0-0 (13...Nd7 14.Na3 Ba3 15.Ba3=) 14.Nc3 (14.d4 Na6 15.Na3 Nb4+=) 14...Qc5 (14...Qa5 15.Ne4=) 15.Rfc1 Nd7 16.Na4 Qb5 17.Nc3 (17.Bc4 Bc4 18.Qc4 Qc4 19.Rc4 Rfc8=) 17...Qa6 18.a4 Rab8 19.Nb1? (19.d4 Rb7=) 19...Nb6?? (better 19...Nc5!?-+) 20.Bc3 (20.d4!?=) 20...Rfd8=+ 21.Ne1 (21.a5 Nc8=+) 21...Nf7 22.Bf3 (22.d4!?-/+) 22...Nd5 23.Be4 h6 (23...Ng5 24.Bf5-/+) 24.Bh7 Kh8 25.Bg6 Nd6 26.h3 Nb4 (26...Nb7 27.Rd1-/+) 27.Qd1 (27.Bb4!? Rb4 28.Nc3-/+) 27...Nd3-+ 28.Qe2?? (better 28.Nd3 cd3 29.Qf1-+) 28...Nc1 29.Qh5 Nd3 30.Nd3 (30.Na3 Ne1 31.Re1 Qa4-+) 30...cd3 31.Na3 Nc4 (better 31...Rb3-+) 32.g4 (32.Nc4 Qc4 33.Kh2-+) 32...Na3 (better 32...Ba3!? 33.Be4 Nd6 34.Qg6 Ne4 35.Qe4-+) 33.g5 fg5 (better 33...Bf8 34.gf6 gf6 35.Ra3 Ba3 36.Qh6 Kg8 37.Qh7 Kf8 38.Qh4 Rb1 39.Kg2-+) 34.Bf5 (34.Be5 Kg8 35.Be4-+) 34...Bf5 35.Qf7 Bf6 (35...Bf6 36.Ra3 Rb1 37.Kh2 Be4-+) 0-1. ClayPigeons (2115) - AdamPDotty (2315), Rated Bullet game, lichess.org, 2020.

5.bc6 Nc6=+

6.Na3 Bc5 7.Nf3 Bg4 8.Be2 Nge7 9.d4?? Qa5–+ 10.Qd2 Bb4 11.Bc3 Bc3 12.Nb1 Bd2 13.Nbd2 e4 14.h3 ef3 15.Bf3 Bf3 16.gf3 Nb4 17.Nb3 Nc2 18.Kd1 Ne3! 19.fe3 Qc3 20.Ke2 Nf5 21.e4 Qe3 22.Kd1 Qf3 23.Kd2 Qf2 24.Kc3 Rc8 25.Nc5 Qd4 (25...Qd4 26.Kc2 Rc5 27.Kb3 Qc3 28.Ka4 b5) 0–1. bvboucher (2025) – jrichner (2080), net–chess.com, 2005.

6.Bb5 Bd7 7.Nf3 Bc5 8.0-0= Nge7 9.d4 Bb4 10.Nbd2 0-0 11.de5 fe5 12.Ne5–+ Ne5 13.Bd7 Nd7 14.Qg4 Nf6 15.Qb4 Qc7 16.Rfc1 Ng4?? 17.g3 Nf2=+ 18.Qd4 Nf5 19.Qd5= Kh8 20.Qe5 Qe5 21.Be5 Ne3 22.Re1?? Nc2–+ 23.Re2 Nd3 24.Rf1 Rfe8 25.Rf5? Ncb4?? 26.Nf3 Nc6 27.Kf1 Kg8 28.Rg5 g6 29.h4 Nce5 30.Ne5–/+ Re5 31.Rge5 Ne5 32.Re5 Rf8 33.Kg2 Kg7 34.Re7 Rf7 35.Re8 h5 36.Ra8 a6 37.Rc8 Kh6 38.Rh8 Kg7 39.Re8 Rd7–/+ 40.Kh3 Kf7 41.Rc8 Re7 42.Rb8 Kf6 43.a4 g5 44.hg5 Kg5 45.a5 Rg7 46.Rc8 Rf7 47.Rb8 Rf5–/+ 48.Rb7 Ra5 49.Ra7 Ra4 50.Kg2 h4 51.gh4 Kh4 52.Kf2 Kg4 53.Ke3 Kf5 54.Kd3 Ke5 55.Kc3 Kd5 56.Kb3 Ra5 57.Kb4 Ra1 58.Ra8 Kc6 59.Rc8 Kb7 60.Rc5 Kb6 61.Rd5 a5 62.Kb3 Rb1 63.Ka4 Rb4 64.Ka3 Rb5 65.Rb5= Kb5 66.Kb3 a4 ½–½. gtate (1965) – dyddulikthat, net–chess.com, 2005.

6.Bb5 Nge7 7.Na3? (7.Nc3!?=) 7...a6 8.Be2 Bf5 (8...Nf5 9.g4 Nd6 10.c4 dc4 11.Nc4–/+) 9.d3 (9.Nf3 Ng6 10.0-0 Qa5–/+) 9...Ng6 10.g3?? (better is 10.c3–/+) 10...Ba3–+ 11.Ba3 Qa5 12.Qd2 Qa3 13.Nf3 Bh3 14.Bf1 Bf1 15.Kf1 0-0 16.Kg2 b5 17.Rhb1 Na5 (17...Qc5 18.c3–+) 18.c3 (18.Qb4 Qb4 19.Rb4 Nc6–+) 18...Rfc8 19.Rc1 Ne7 20.Ne1 (20.Rab1 Ra7 21.Ng1 Nf5–+) 20...Rc6 21.f4 (21.Nc2 Qc3 22.Qc3 Rc3–+) 21...ef4 0–1. libelle_3 (1865) – zrenjanin (2010), gameknot.com, 2015.

6.Nc3 Bb4 7.a3= Ba5 8.Bb5 (better is 8.Rb1+=) 8...Bd7 (better is 8...Nge7!?+=) 9.Nd5+= Nge7 (9...Be6 10.Nb4 Nge7 11.Qh5 Bf7 12.Qg4+=) 10.Qh5+/– Ng6 (10...Kf8 11.Nc3+/–) 11.Bd3 0-0 (better is 11...Kf7+/–) 12.Nb4 (12.Bg6!? hg6 13.Qg6+/–) 12...Nb4 (12...Bb4!? 13.ab4 Nb4 14.Bc4 Kh8+=) 13.ab4= Bb4 14.c3 (worse is 14.Bg6 A) 14...hg6?! 15.Qe2 (worse is 15.Qg6 Bd2 16.Ke2 Bb5 17.Kf3 Qc7–+) 15...b5 16.Nf3=; B) 14...Bd2 15.Ke2 hg6 16.Qg6 Bb5 17.Kf3 Qc7–/+) 14...Bc5 15.Bg6 hg6 16.Qg6 Bc6 (16...Qb6 17.Bc1+=) 17.d4 (17.Nf3!?+=) 17...ed4= 18.cd4 Bb4 19.Kf1 Qb6 (19...Bb5!? 20.Ne2 Qd5=) 20.Ne2+= Bb5 21.Qh5 Bd3 22.Kg1 (22.Rd1 Qa6 23.d5–/+) 22...Qc6 (better is 22...Bd6!? 23.Bc3 Rfc8=) 23.Nf4+/– Be4 24.Rc1 (24.f3 Bd2 25.Kf2 Bc2+/–) 24...Qb6 (24...Qd6+=) 25.Ng6 (25.d5!?+/–) 25...Bd2?? (better is 25...Bd6 26.Ba1 Rfc8=) 26.Ne7 1–0. mtra – Sergius, internet, 2002.

6.Nc3 Bc5=+.

6.Nc3 Be6 7.Nf3+=.

6.c4 dc4 7.Bc4 Bc5 8.Nf3 Nh6 9.0-0 Nf7 (9...Qb6 10.Bc3=) 10.Qb3 (10.d4 Bd6+=) 10...0-0= 11.d4 Na5 (11...ed4!? 12.Rd1 Na5 13.Bf7 Rf7=) 12.Bf7+= Rf7 13.Qb5 Bb6 14.de5 fe5 (14...Bd7 15.Qe2 Qe8 16.Rc1+=) 15.Ne5+/- (15.Qe5 Nc4 16.Qb5 Nb2 17.Qb2 Rf3 18.gf3 Bh3-+) 15...Rf5 16.Na3 (16.Nc3 Be6 17.Rad1 Qe8 18.Qe8 Re8+=) 16...Qe7 (16...Be6 17.e4 Rh5 18.Qe2+=) 17.Rad1 (17.e4 Rg5 18.Kh1 Be6+=) 17...Be6+= 18.Qd3 Rd8 19.Qe4 Rd1 20.Rd1 Ba2?? (better 20...Rf8+=) 21.Qg4 (better 21.Qf5 Be6 22.Qh5+-) 21...Be6 (21...Re5 22.Be5 Qe5 23.Qc8 Kf7 24.Rd7 Kf6 25.Qf8 Kg6 26.Rd6 Be6 27.Qe8 Kf6 28.Qf8 Kg6 29.Qe8 Kf6 30.Qf8 Kg6=) 22.Qg3 (22.Qe4!?=) 22...Rg5=+ 23.Qf4 Bc7 24.Nac4?? (better 24.Nb5 Be5 25.Be5-/+) 24...Nc4-+ 25.Qg5 (25.Rc1 Be5 26.Be5 Ne5-+) 25...Qg5 26.Nf3 Qe7 (26...Qh5 27.Rc1-+) 27.Bd4 b6 (better 27...a5 28.Kf1-+) 28.Bc5 (28.Kf1-+) 28...bc5 29.Rd8 Bd8 (29...Qd8 30.Kh1 Ne5 31.Ng1 Ng4 32.g3 Qd2 33.Nf3 Nf2 34.Kg1 Nh3 35.Kh1 Qf2 36.Ne5 Qf1) 30.g3 Bc7 (30...Bh3 31.g4 Qe4 32.Ne1 Qb1 33.e4 Qe1) 31.Nh4 Bd5 (31...Bh3 32.Ng2 Qe4 33.Kf1 Qd3 34.Kg1 Qd1 35.Ne1 Qe1) 32.f3 (32.Nf5 Qe4 33.Ne7 Qe7 34.e4 Qe4 35.f3 Qf3 36.h3 Qg2) 32...Qe3 33.Kg2 (33.Kf1 Nd2 34.Kg2 Qe2 35.Kh3 Be6 36.Nf5 Bf5 37.Kh4 Nf3 38.Kh5 Qh2) 33...g5 (33...Qd2 34.Kg1 Ne3 35.h3 Qe1 36.Kh2 Bg3) 34.Kh3 gh4 35.Kh4 (35.f4 Be6 36.f5 Bf5 37.Kg2 h3 38.Kf1 Bd3) 35...Qf3 (35...Qh6 36.Kg4 Ne3) 36.g4 Bf4 37.h3 (37.g5 Be6 38.g6 Qg4) 37...Qg3 38.Kh5 h6 (38...Qh3) 39.Kg6 Bg5 (39...Qh4 40.g5 Qg5) 40.Kf5 (40.h4 Qd3 41.Kh5 Bf7) 40...Qe5 (40...Qd3) 41.Kg6 Qf6 (41...Bf7) 42.Kh5 Qf7 0-1. ClayPigeons (2160) - Ageless_2 (2140), Rated Bullet game, lichess.org, 2020.

6.d4 Qb6 7.Bc3 Bb4 (7...ed4 8.ed4 Nge7 9.Nd2–/+) 8.de5 Bc3 (better 8...fe5 9.a3 Bc3 10.Nc3 Nf6–/+) 9.Nc3+= Qa5 10.Qd2 Bf5 11.ef6 (11.Rb1 0-0-0 12.ef6 Nf6=) 11...Nf6 12.Nf3 (12.Rb1 0-0-0 13.Nf3 Qa3+–) 12...Nb4 (12...0-0 13.Rb1 Nb4 14.Bd3 Bd3 15.cd3 Nd3 16.Qd3=) 13.Nd4 Bd7 (13...Bg6 14.Nb3 Qb6 15.Bb5 Kf7 16.0-0 Nc2 17.Rac1+=) 14.Bb5 (14.a3 Nc6 15.Nb3+–) 14...Rc8 (14...Bb5!? 15.Ndb5 0-0+=) 15.Bd7+– Kd7 16.0-0 Nc2 (better 16...Rc4 17.Rab1 b6+–) 17.Rac1?? (better 17.Qc2 Qc3 18.Qa4 Ke7 19.Rab1+–) 17...Rc3 (17...Qc3 18.Qd1 Qb2 19.Rb1 (worse 19.Nc2 Qa2 20.f3 Rc3=) 19...Qa2 20.Rb7 Kd6 21.Ra7+–) 18.Rc2+– (worse 18.Nc2 Rhc8 19.Nd4 R3c5 20.Qa5 Ra5 21.Rc8 Kc8 22.Rc1 Kd7=) 18...Ne4 19.Qc1 (19.Qe2 Rc2 20.Qg4 Kc7 21.Qg7 Kb8+–) 19...Rhc8+= 20.Rc3 (20.Qe1 Qb6 21.Rc3 Nc3+= (21...Rc3?? 22.f3+–)) 20...Nc3= (worse 20...Qc3 21.Qd1 Qc4 22.Qh5+–) 21.Qb2 b6 (better 21...Rc7=) 22.h3 (better 22.a3!?=) 22...Qa2–/+ 23.Qa2 (23.Qb4!? Rc5 24.g3–/+) 23...Na2–+ 24.Ra1 (24.f4 Nc3–+) 24...Rc1 25.Rc1 Nc1 26.Kf1 a5 27.Ke1 Nd3 28.Ke2 Ne5 (28...Nc5 29.f4–+) 29.Kd2 g6 30.f3 (30.Kc3 Kd6–+) 30...Kd6 31.Kc3 (31.Kc2 Nc4 32.Kd3 a4–+) 31...Nc4 32.e4 Ne3 33.g4 de4 34.fe4 Nd1 (34...Nd1 35.Kc4 Nf2–+) 0–1. Lord Cuthbertson (1820) – the scorpion (1990), ChessWorld.net, 2007.

6.Be2 Be6 7.Nf3 Bd6 8.0-0 Nge7 9.d4 e4 10.Ne1 0-0 11.f4 f5 12.Nd2 a6 13.c4 dc4 14.Nc4 Bc4 15.Bc4= Kh8 16.Rb1 b5 17.Bb3 Na5 18.Nc2 Nb3 19.ab3 Nc6 20.Qd2 Qe7 21.Ra1 Rfc8 22.h3 Nb4 23.Nb4 Bb4 24.Qe2 Bc3 25.Rfd1 Bb2 26.Qb2 h6 27.d5 Rd8 28.Qe5 Qe5 29.fe5+/– Kg8 30.Rd4 Kf7 31.Rf1 g6 32.g4 Re8 33.gf5 Re5 34.fg6 Kg6 35.d6 Rd8 36.Ra1 Rd6?? 37.Rd6+– (37.Rd6 Kg5 38.Raa6+–) 1–0. mila77 (1765) – master86 (1680), internet, 2011.

6.Nf3 Bd6 7.d4 e4 8.Nfd2 Nge7 9.c4 dc4 10.Ne4 0-0? (better 10...Bb4 11.Ned2 Be6=) 11.Bc4+- Kh8 12.Nd6 Qd6 13.0-0 Be6 14.Be6 Qe6 15.Nd2 Rad8 16.Qb3 Qd7 17.Rac1 Nd5 18.Rfd1 a6 (18...f5 19.Ba3 Rfe8 20.Nc4+-) 19.Nf3 (19.e4!? Nf4 20.Qf3 Ng6+-) 19...b5 (19...Rfe8 20.Qd3+/-) 20.Rc5 (20.e4 Nf4 21.Qe3 Qg4+/-) 20...Na5 21.Qc2 (21.Qd3 Rfe8+/-) 21...Nc4 (21...Nb7!?=+) 22.a3 (22.e4 Ndb6 23.Bc1 Rfe8+/-) 22...Rfe8 23.e4 (better 23.Bc1+=) 23...Nb2?? (better 23...Nf4 24.Bc1 Ng2=) 24.Rd5+- (24.Qb2 Nf4 25.h3 Re4=) 24...Qd5 25.ed5 Nd1 26.Qd1 Rd5 27.h4 h6 28.g3 a5 29.Kg2 b4 30.ab4 ab4 31.Qb3 Rb5 32.d5 Rd8 33.Nd4 Rbd5 34.Ne6 R8d6 35.Nf4 (35.Qc4 f5+-) 35...Rd4 (35...Rb5 36.Ng6 Kh7 37.Nf8 Kh8 38.Qc2+-) 36.Qf7 (better 36.Ng6!? Kh7 37.Ne7 Rd8+-) 36...b3 (36...Rd8 37.Qe7+-) 37.Ne6 (37.Qb3!? Rd1 38.Ne6 h5+-) 37...Re6 38.Qe6 Rb4 39.Qe8 Kh7 40.Qe1 Rb5 (40...Rb8 41.Qe4 Kh8 42.Qf4+-) 41.Qd1 (better 41.Qe4 f5 42.Qd3 Ra5+-) 41...Rb8 42.Qd3 Kh8 43.Qb1 b2 44.Kf3 Kg8 45.Kg4 Kh8 46.f4 (46.h5 Rb5+-) 46...Kg8 (46...g6 47.Kf3+-) 47.h5 1-0. opperwezen (2770) - muran29 (2455), lichess.org, 2017.

6.c4 Be6

7.cd5 Bd5 8.a4 Bd6 9.Nf3 Nh6 10.Nc3 Be6 11.Be2 Nf7 12.0-0 0-0 13.d4 ed4 14.Nd4 Nd4 15.Qd4 Qe7 16.Qd1 (16.Nd5!? Qd8 17.Rfd1=) 16...Rfd8=+ 17.Qc2 Rac8 18.Rad1 Be5 19.Rd3 (19.Rd8 Rd8 20.f4 Bc7=) 19...Rd3 (19...Qc7!? 20.Rd8 Nd8-/+) 20.Bd3= Qc5 21.Bh7 Kh8 22.Bf5?? (better 22.Rc1 Bc3 23.Bc3 Qc3 24.Qc3 Rc3 25.Rc3 Kh7 26.Rc7=+) 22...Bf5-+ 23.Qf5 (23.e4 Bg6 24.Rc1-+) 23...Bc3 (better 23...Bh2 24.Kh2 Qf5-+) 24.Rc1?? (better 24.Qh3 Nh6 25.Rc1-+) 24…Qf5 (24...Qf5 25.Bc3 Rc3-+) 0-1. brucepeng (1925) - goyomatallanas (1965), lichess.org, 2020.

7.cd5 Bd5 8.Nc3 Be6 9.Nf3 Bb4 10.Be2 Nge7 11.0-0 0-0 12.a3 Ba5 13.a4 (13.d4 Rc8=) 13...Kh8 (13...Rc8 14.Rc1=+) 14.Re1 Rc8 15.Rc1 Nd5 16.Nd5 Bd5 17.Rf1 Qb6 18.Rb1 (18.Bc3 Bb3 19.Qe1 Bc3 20.Rc3 e4=+) 18...Qc7 (18...Ba2!?-/+) 19.Rc1 Qd6 20.d3 Rfd8 21.e4 (21.Nd2 Qe7=+) 21...Be6-/+ 22.d4 (better 22.Nd2!?-/+) 22...ed4-+ 23.Bc4 Bg4 24.Be2? (better 24.Bd5-+) 24...d3 25.h3 (25.Ng5 de2 (25...Be2? 26.Nf7 Kg8 27.Qb3+-; 25...fg5?! 26.Bg4 Rc7 27.Bf5-/+) 26.Nf7 Kg8 27.Qd6 A) 27...ef1B? 28.Nh6 (28.Nd8?! Rd8 29.Qg3 Bfe2 30.Qb3 Kh8 31.Qb7 Bd7+/-) 28...gh6 29.Qf6+-; B) 27...ef1R 28.Kf1 Rd6 29.Nd6-+; C) 27...ef1N? 28.Nh6 (28.Nd8?! Rd8 29.Qf4 Be2+=) 28...gh6 29.Qf6+-; D) 27...ef1Q?! 28.Kf1 Rd6 29.Nd6-+; E) 27...Rd6 28.Nd6 ef1R (28...ef1N?! 29.Nc8 Ng3 30.hg3 Bc8 31.Bc3-+; 28...ef1B?! 29.Nc8 Bg2 30.Rc6 bc6 31.Ne7 Kf7 32.Nc6 Be4 33.Na5-+) 29.Kf1 Rb8-+) 25...de2 26.Qe2 Bf3 27.Qf3 Ne5 (better 27...Bc7 28.g3-+) 28.Qe3 (28.Be5 Qe5 29.Qf5 Qf5 30.ef5 Bb6-+) 28...Rc1 (28...Bd2 29.Qa7 Bc1 30.Bc1-+) 29.Rc1 (29.Bc1 Bb6 30.Qe2-+) 29...Bd2 30.Be5 fe5 (30...Qe5?! 31.Qd2 Re8 32.Qd5+=) 31.Qa7 (31.Qc5 Bc1 32.Qc1 Qd1 33.Qd1 Rd1 34.Kh2 Ra1-+) 31...Bc1 32.Qb7 (32.g3 Qb4 33.Kh2 Qd4 34.Qd4 ed4-+) 32...h6 (32...Qd1 33.Kh2 Bf4 34.g3 Bg3 35.Kg2 Rf8 36.Qa7 Qf3 37.Kf1 Rd8 38.Qg7 Kg7 39.a5 Qf2) 33.g3 Qd1 34.Kg2 Qd3 (better 34...Be3 35.Qf7 Bf2 36.Qf2 Rd2-+) 35.Qc6 (35.a5 Rf8 36.Qb6 Bd2-+) 35...Bg5 (35...Be3 36.Qg6 Rf8 37.Qh7 Kh7 38.g4 Rf2 39.Kg3 g5 40.a5 Bd4) 36.h4 Bf6 37.a5 Qd6 (37...Rf8 38.Qd5 Qe2 39.Qc5-+) 38.Qc2 (38.Qd6 Rd6 39.Kh3 g6-+) 38...Ra8 39.Qc3 Qa6 (39...Bd8 40.a6-+) 40.Qb4 (40.h5 Qe2 41.Qc6 Rf8-+ (41...Ra5?! 42.Qe8 Kh7 43.Qg6 Kg8 44.Qe8 Kh7 45.Qg6 Kg8 46.Qe8 Kh7=)) 40...Qa5 41.Qb2 (41.Qa5 Ra5 42.Kh3 Ra2-+) 41...Qa4 (41...Qe1 42.f3 Ra1 43.Qa1 Qa1 44.h5-+) 42.Qe2 Rb8 43.Qd3 Rb4 44.Qd8 (44.Qd6-+) 44...Bd8 45.Kf3 (45.Kh3 Rb1 46.f4 Rh1 47.Kg4 Qd7 48.Kh5 Kh7 49.f5 Qd1 50.g4 Rh4) 45...Re4 (45...Rb3 46.Kg2 Qe4 47.Kh2 Rb1 48.f3 Qf3 49.h5 Rh1) 46.Kg2 Rg4 (46...Re1 47.h5 Qe4 48.f3 Re2 49.Kf1 Qf3 50.Kg1 Bb6) 47.Kf1 (47.h5 Qe4 48.Kg1 Qe1 49.Kg2 Bb6 50.Kh3 Rg5 51.g4 Qh1 52.Kg3 Qg1 53.Kh3 Qg4 54.Kh2 Rh5) 47...Qc2 48.Kg2 Qe2 49.Kg1 (49.h5 Bb6 50.Kh3 Rg5 51.f3 Qf1 52.Kh4 Qh1) 49...e4 (49...Bb6 50.Kh1 Qf2 51.h5 Qg1) 50.Kg2 (50.Kh1 Qf2 51.h5 Bh4 52.gh4 Rh4) 50...Rh4! 51.gh4 (51.gh4 e3 Mate attack). brucepeng (1945) - AikoSam (1980), lichess.org, 2020.

7.cd5 Bd5 8.Nc3 Be6 9.Nf3 Bc5 10.Bb5 Nge7 11.Ne4 (11.d4 ed4 12.ed4 Bb6=) 11...Qb6 (11...Bb6 12.0-0=) 12.Nc5 (12.Qa4 a6+=) 12...Qc5 13.a4 0-0 (better 13...a6!? 14.Be2 Rc8=) 14.Ba3+= Qd5 15.Bc6 Nc6 16.Bf8 Rf8 17.0-0 e4 18.Ne1 Qg5 (18...Rd8!?+=) 19.f4 (19.f3 f5+/-) 19...ef3 (19...Qf5!?+/-) 20.Nf3+- Qd5 21.Qe2 Rd8 22.Rfc1 (22.Qb5 Qd7+-) 22...Bg4+/- 23.d4 Qe4 (23...Re8 24.Rd1 Bf3 25.Qf3 Qf3 26.gf3 Re3+-) 24.Rc3 (better 24.Qf2!?+-) 24...Nd4 25.Qc4 Be6 26.Qc7 Nf3 27.gf3 Qg6 28.Kf2?? (better 28.Qg3+=) 28...Rd2-+ 29.Ke1 Qg2 30.Qc8 (30.Qb8 Kf7 31.Rc7 Kg6 32.Rg7 Kg7 33.Qg3 Kh6 34.Qh4 Kg6 35.Qg3 Qg3 36.hg3-+) 30…Kf7 (30...Kf7 31.Qc7 Rd7-+; 30...Bc8 31.Rc8 Kf7 32.Rc7 Ke6 33.Re7 Ke7 34.Rd1 Qe2) 0-1. ClayPigeons (2170) - fgh9500 (2150), Rated Bullet game, lichess.org, 2020.

6.Nf3 Be6

7.d4 Bb4 8.c3 Bd6. Golovko – Brasilskij, Moscow, 1956.

7.d4 Qb6 8.Bc3 e4 9.Nfd2 =+.

7.Be2 Bd6 8.0-0 Nge7 9.d4 (9.Nc3 e4 10.Ne1 0-0+=) 9...e4 (9...0-0 10.de5 fe5 11.Nc3+=) 10.Nfd2 Qb8 (10...Qc7 11.h3+=) 11.c4 (11.h3 0-0+=) 11...Bh2–/+ 12.Kh1 Bc7 13.cd5 Bd5 14.Nc3 f5 15.Nd5 Nd5 16.Bc4 Nf6 (16...Qd8!? 17.Qh5 g6–/+) 17.Qb3= Qd8 (17...Kd8 18.Be6 Ne7 19.Ba3=) 18.g3 (better is 18.Ba3 Nd5 19.g3=) 18...h5 (18...Na5 19.Qa4 Qd7 20.Bb5+=) 19.Ba3 (19.Bf7 Kf8 20.Bg6 Nd5 21.Ba3 Nce7 22.Bf5 h4 23.Be4 Bd6 24.Bd6 Qd6 25.Qb7 Rd8+–) 19...Ne7 (better is 19...Qb8 20.Bb5 Qc8=) 20.Bf7+/– Kf8 21.Bg6 Threatening mate... how? 21...Nfd5 22.Ne4 fe4 23.f3 Kg8 (23...Qd7 24.fe4 Kg8=) 24.Be7+– Qd7 The mate threat is Qh3 25.Kg2 (25.Bh4 Rh6 26.Be4 Qh3 27.Kg1 Bg3 28.Rf2 Bf2 29.Bf2=) 25...Rh6 (25...Qe6 26.Be4 Ne3 27.Qe3 Qe7 28.Bd5 Kf8 29.Qe7 Ke7 30.Rae1 Kd7+/–) 26.Be4 Qe7 27.Bd5 (better is 27.Qd5 Kh8 28.Qb7+–) 27...Kh8+/– Black intends h4 28.Rac1 Rg6?? (28...Rb6 29.Rh1 g6 30.Qc4 Rb2 31.Rc2 Rc2 32.Qc2+/–) 29.f4 (better is 29.Qb7 Rd8 30.Qc7 (30.Rc7?! Qg5 31.g4 Rd5+–; 30.Qa7 Rg3 31.Kf2 Qg5+/–) 30...Qc7 31.Rc7 Rd5 32.Ra7+–) 29...h4 30.Rf3 Rb6 (30...Bb6 31.Rh1+–) 31.Qc3 (31.Qc2 Rc8+–) 31...h3 32.Kh2 (worse is 32.Kh3 Qd7 33.Kg2 Qd5 34.Qc7 Rb2 35.Rc2 Ra2 36.Ra2 Qa2 37.Kf1 Qd5+/–) 32...Bd8 (32...Rc8+–) 33.g4 Rh6 34.e4 (34.Rh3?! Rh3 35.Kh3 Qh4 36.Kg2 Qg4 37.Kf1 Qh5+–) 34...Qh4 (34...Bb6 35.g5 Rh5 36.Rh3 g6+–) ½–½. Leabichian,M – Bagheri,Amir (2270), Fajr op 5th, 1996.

5.d4 cd4

6.ed4 ed4 7.Bd4 (7.Qh5 g6 8.Qe2 Kf7 9.Bd4 Bb4 10.c3 Bd6=) 7...Bf5 (7...Bb4 8.Nd2=) 8.Bd3 Nh6 (8...Bb4 9.Nc3 Bc3 10.Bc3 Bd3 11.Qd3+=) 9.Nc3 (9.Qh5 g6 10.Qe2 Kf7=) 9...Qd7 (9...Bd3 10.Qd3 Bb4 11.Rb1+=) 10.Nf3 (10.Qe2 Kf7+=) 10...Bb4 11.0-0 0-0 12.Qb1 (12.Re1 Rc8 13.Qd2 Bd3 14.Qd3 Nf5+=) 12...Bd3 13.cd3 Bc3 14.Bc3 Re8 15.Qb3 a6 16.a4 Nf5 (16...Qf5 17.Nd4 Qh5 18.Rfe1+=) 17.Rfe1+= Rc8 18.h3 (18.ba6 Na6 19.d4 Nc7+=) 18...Qf7 (18...ab5 19.ab5 Ra1 20.Ra1+=) 19.Nd4 Nd4 20.Bd4 Nd7 (20...ab5 21.ab5 Ra1 22.Ra1+=) 21.Qa3 (21.a5 Nc5 22.Qa3 Ne6=) 21...Re8 22.ba6 ba6 White creates threats along the open b–file 23.Qd6 Ne5 (23...a5 24.Rab1+=) 24.Be5 Rad8 25.Qa6 fe5 26.Rab1 (26.a5 Ra8 27.Qd6 Rf8+/–) 26...Re7 (26...Rf8 27.Qb6 Rb8 28.Qe3+=) 27.a5 h6 (27...Rf8 28.Qb6+=) 28.Qb6 Rf8 29.Rb2 Ra8 30.Qd6 Kh7 (30...Rc7 31.Rb5+–) 31.Rb5 (31.d4+/–) 31...Rf8+– 32.Rf1 (32.Re2 Rc8 33.Qd5 Rc1 34.Kh2 Qf4 35.g3 Qf6+–) 32...e4 33.Qd5 e3 (33...Qf4 34.de4 Re4 35.a6+–) 34.Qf7 Ref7 35.Rb2 Ra7 (35...Kg6 36.d4+–) 36.fe3 (36.fe3 Rf1 37.Kf1 Ra5 38.d4+–) 1–0. Muri,Heinrich – Garcia Gutierrez,Felix, Coppa Latina5–04, 1995.

6.ed4 Bd6 7.de5 fe5 (worse is 7...Be5 8.Be5 Qe7 9.Qd5 fe5 10.Nf3+/–) 8.Be5 Qe7 (8...Be5 9.Qh5 A double attack) 9.f4 Nf6 (9...Nd7 A) 10.Qd5? Ne5 (10...Be5?! 11.fe5 Ne5 12.Be2=) 11.Ne2 Ng4–+; B) 10.Nf3 Be5 11.fe5 (11.Ne5? Ne5 12.Qe2 Ng6–+) 11...Ne5 12.Ne5 Qe5 13.Qe2 Qe2 14.Be2=) 10.Nf3 (10.Qe2 0-0 11.Nc3 Bg4 12.Bd6 Qd6=) 10...Bg4 (10...Nbd7 11.Qe2 0-0 12.Nbd2=) 11.Be2+= Bf3 12.Bd6 (worse is 12.Bf3 Nbd7 13.c3 Ne5 14.fe5 Qe5 15.Qe2 0-0-0–/+) 12...Be2 (12...Qd6!? 13.Bf3 Qf4+=) 13.Qe2+/– (13.Be7?! Bd1 14.Bf6 Bc2 15.Bg7 Rg8+=) 13...Qe2 14.Ke2 Nbd7 (14...Kf7 15.Be5+/–) 15.Nd2 (15.Re1 Ne4 16.Kd3 Kf7+=) 15...Kf7 16.c4 (16.Rhe1!?+/–) 16...Rhe8+= 17.Kd3 dc4 18.Nc4 Rac8 19.Be5 Ne5 20.Ne5 (20.fe5 Red8 21.Nd6 Ke6+=) 20...Ke6 21.Rac1 Rcd8 22.Kc2 Kf5 (22...Rd5 23.b6 Rc8 24.Kb3 Rc1 25.Rc1 Rb5 26.Kc2 Rb6 27.g3=) 23.g3+/– Nd5 (23...Ng4 24.Ng4 Kg4 25.Rce1+/–) 24.Rhe1 Nb4 (24...Re7 25.h4+/–) 25.Kb2+– Nd3?? (better is 25...Nd5+–) 26.Nd3 Rf8 (26...Re1 27.Ne1 (27.Re1?! Rd3 28.Re7 Rd2 29.Kb3 Rh2+–) 27...Rd2 28.Rc2 Rc2 29.Kc2+–) 27.Re5 (27.Rc5 Kg4 28.Re3 Kh3+–) 27...Kg4 (27...Kg6 28.Rg5 Kf6 29.Ne5+–) 28.Rc3 h6 (28...Kh3+–) 29.Nf2 1–0. b4_player – opponent, gamecolony.com, 2007.

6.ed4 Nd7 7.de5+= Bb4 8.Bc3 Qe7 9.Qd5 Ne5 10.Be2 Be6 11.Qe4 Bd6 12.Nf3 Nf3 13.Bf3 (worse 13.gf3 f5 14.Qa4 Nf6=+) 13...Bd5 14.Qe7 Ne7 15.Bd5 Nd5 16.0-0 (16.Bd4 0-0-0 17.Ke2 Rhe8 18.Kf3 Be5 19.Be5 Re5=) 16...Rc8= 17.Bd4 Rc2 18.Ba7 Kd7 (18...Be5 19.Na3 Re2 20.Rad1=) 19.a4= Ra8 20.b6 Rac8 21.a5 Rc1 (21...Bc5 22.Na3 Re2 23.a6 ba6 24.b7 Ba7 25.bc8R Kc8 26.Nb5 ab5 27.Ra7+/-) 22.Nd2+= Ra1 23.Ra1 Rc2 24.Ne4 Be5 (24...Be5 25.Rd1 Kc6+=). leprussien (2330) - renatello (2320), gameknot.com, 2021.

6.ed4 Bb4

7.c3 Bd6 8.c4 ed4 9.Qh5 g6 10.Qd5 Bb4 11.Nd2 Qe7 12.Ne2 Bd2 13.Kd2 Qb4 14.Kc1 Qe1 15.Kc2 Qf2 16.Bd4 +=.

7.c3 Bd6 8.de5 Be5 9.Nf3 Qe7 10.Be2+= Be6 11.0-0 Nd7 12.Ba3+/– Qf7 13.Nd4 Bd4 14.cd4 Ne7 15.Re1 0-0 16.Bg4+– f5 17.Bh5 Ng6 18.Bf8+– Ndf8 19.Nc3 f4 20.Rc1 Rc8 21.Na4 Rc1 22.Qc1 b6 23.Nc3 Qf6 24.Qd1 Nh4 25.Re5 Qd8 26.g3 Nf5 27.Ne2 fg3 28.fg3 Qf6 29.Nf4 Bf7 30.Bf3 Ng6 31.Nd5 Bd5 32.Bd5 Kh8 33.Qh5 h6 34.Qf5 Ne5 35.Qc8 Kh7 36.Qg8 (36.Qg8 Kg6 37.Be4 Kg5 38.de5+–) 1–0. tony64453 (2025) – plynth (1975), ChessWorld.net, 2003.

7.Bc3 Qa5 8.Qd2 Bc3 9.Nc3=.

7.Bc3 Qe7 8.de5 Bc3 9.Nc3 Qe5 10.Nge2 Ne7 11.g3 Bg4 12.Bg2 Be2 13.Ne2+= Nd7 14.0-0 Nb6 15.Re1+/– 0-0 16.Nf4 Qd6 17.c4! Vehre,John L Jr – Van Niewenhoven,Kees, corr USA, 1988.

7.Nd2 Qc7 8.de5+/– Bc3 (8...Nd7 9.a3 (9.f4 fe5 10.fe5 Ne7 11.Ngf3 0-0 12.Bd3 Nc5 13.0-0 Bg4 14.a3) 9...Bd2 (9...Ba5 10.f4 Ne7 11.Ngf3 fe5 12.fe5 0-0 13.Bd3 Bc3 14.Bc3) 10.Qd2 Ne5 11.Qd5+= Bf5 12.Be5 fe5 13.Qc4 Qb6 14.Bd3) 9.Bc3 Qc3 10.e6 (10.ef6 Nf6 11.Bd3 0-0+/– (11...Bg4 12.f3 Bd7 13.Ne2 Qe5 14.0-0) 12.Ne2 Qc7 13.0-0 Nbd7 14.Nd4; 10.f4 Nd7 11.Ne2 Qe3 12.Nf3 fe5 13.Qd5 Ne7 14.Qd6) 10...Qe5 (10...Nh6 11.Bd3+= 0-0 12.Ne2 Qc7 13.0-0 Be6 14.Nd4; 10...Ne7 11.Bd3 0-0 12.Ne2 Qe5 13.0-0 Be6 14.Re1) 11.Be2 Ne7 (11...Be6 12.Ngf3 Qc3 13.0-0+= Ne7 14.Nb3; 11...Qe6 12.Nh3 Ne7 13.0-0 Qd6 14.Bd3) 12.Ngf3 Qe6 13.0-0 0-0 14.Nd4 (14.Re1 Nd7+=; 14.c4+=) 14...Qb6 15.N2f3 Bg4 (15...a6 16.a4+=) 16.Re1 Nd7 17.a4 f5 (17...Rae8 18.a5 Qd6 19.a6+=) 18.h3 (18.a5 Qf6+/–) 18...Bh5 19.c4 (19.a5 Qd6+/–) 19...Rac8+= 20.Rc1 (20.Ng5 Bf7+=) 20...Kh8 (20...Rfe8 21.a5 Qf6 22.Nb3+=) 21.Bf1 (21.Ng5 Bg6+/–) 21...Bf3 (21...Qf6 22.Re6 Qf7 23.Qe1+/–) 22.Nf3 Rfe8 (22...Qd6 23.Ng5 h6 24.Qe2 hg5 25.Qe7+/–) 23.Ng5 (23.cd5!? Rc1 24.Qc1+/–) 23...Qg6+= 24.Nf3 Rc5 (better is 24...Qb6!?=) 25.Ne5 (25.cd5 Rc1 26.Qc1 Nd5+/–) 25...Ne5+= 26.Re5 Nc8 (better is 26...Qf6!? 27.Qd4 Rc7+/–) 27.Rd5+– Rc7 28.c5 (28.Rd7 Rd7 29.Qd7 Nd6+–) 28...Rce7 (28...Qe6 29.Bc4+–) 29.Rd8 (29.Qf3 Rf8+–) 29...Qe6 (29...Qf7 30.Qd5 Rd8 31.Qd8 Re8 32.Bc4+–) 30.c6 Rc7?? (30...bc6 31.bc6 Rd8 32.Qd8 Qg8 33.c7 Rc7 34.Qc7+–) 31.Re8 (better is 31.cb7 Rc1 32.Re8 Qe8 33.Qc1+–) 31...Qe8 32.cb7 Rb7 33.Qd5 Rb6 (33...Rd7 34.Qf5 Ne7 35.Re1+–) 34.Qf5 (better is 34.Rc7 Rf6 35.Qb7+–) 34...Rf6 (34...Nd6 35.Qf4 Nb7+–) 35.Qc8 (35.Rc8 Kg8 36.Bc4 Kh8 37.Re8 Rf8 38.Qf8) 35...Rf8+– 36.Qe8 Re8 37.Rc7 h6 (37...Ra8 38.g3+–) 38.Ra7 Rb8 39.Bc4 h5 40.a5 Kh7 1–0. Torres Herrero,Fernando – Sobrino Garcia,Raul, Valladolid, 1990.

7.Nd2 Nd7!?= 8.de5 fe5 9.Ngf3 Ngf6 10.Be2 0-0 11.0-0 Qe7 12.c4 d4 13.Re1 Qd6 14.c5.

6.ed4 e4

7.c4 Qa5 8.Bc3 Bb4 9.Qd2 Bc3 10.Qc3 Qc3 11.Nc3 dc4 12.Bc4 f5 13.Nge2 Nf6 14.Nf4 Nbd7 15.Ncd5 Nb6 16.Nc7 Kd7 17.Na8 Nc4 18.Rc1 Na3 19.Nc7 g5 20.Nfd5 Nd5 21.Nd5 Nb5 22.0-0 Nd4 23.Rcd1 Ne2 24.Kh1 Ke6 25.f3 ef3 26.Rf3 Nf4 27.Nf4 gf4 28.Rf4 Ke5 29.Rf2 Be6 30.Re2 Kf6 31.Rd6 Re8 32.Kg1 Kf7 33.a3 a6 34.Kf2 h5 35.g3 a5 36.Re3 b5 37.Ke1 b4 38.ab4 ab4 39.Kd2 b3 40.Rb6 Rd8 41.Kc3 Rc8 42.Kb2 Rc2 43.Kb1 Bc4 44.Rf3 Rh2 45.Rf5 Ke7 46.Rc5 Bd3 47.Ka1 b2 48.Rb2 Rh3 49.Rg2 Bf1 50.Rg1 Be2 51.Kb2 Bg4 52.Kc3 Rh2 53.Kd4 Rf2 54.Ke5 Rf3 55.Rc7 Kd8 56.Rg7 Re3 57.Kf4 Rf3 58.Kg5 Rf5 59.Kh4 Rf3 60.Ra1 1–0. adristel (1615) – m3011, internet, 2013.

7.c4 Ne7=.

7.c4 f5 8.Qb3 Be6 (8...Nf6 9.Nc3=) 9.Nc3 Nf6 (9...Ne7 10.Nh3=) 10.Nh3 Bd6 11.cd5 Nd5 (11...Bg8 12.Bc4+=) 12.Bc4 Bb4 13.0-0 Bc3 14.Bc3 Qd6 (14...Qd7 15.Ng5 Bg8 16.Rfe1+/–) 15.Ng5 (15.Bb2 h6+/–) 15...Bg8+= 16.Bb4 (16.Bb2 h6 17.Ba3 Qd7+=) 16...Qb4= (16...Nb4? 17.Bg8 Qe7 18.Bf7 Kf8 19.Bh5+–) 17.Bd5 Qb3 18.Bb3 (18.ab3?? Bd5 19.Ra3 h6–+) 18...Bb3 19.ab3 Ke7 20.f3 h6 21.Nh3 (21.fe4 hg5 22.Rf5 Rh5=) 21...Rd8 (21...Re8 22.fe4 fe4 23.Rf4+=) 22.fe4 fe4 23.Rad1 Nd7 (23...Rd5 24.Rfe1+=) 24.Rfe1 (24.Nf2 Nf6 25.Rfe1 Re8 26.Ne4 Ne4 27.Re4 Kd6+=) 24...Nf6 (24...Kd6 25.Nf2+=) 25.Nf2 Rd5 26.Ne4 Ne4 27.Re4 Kf8 (27...Kd6 28.Rde1+/–) 28.Re5 (28.Rf1 Kg8 29.Re7 Rb5+/–) 28...Rad8 (28...Re5 29.de5 Ke7 30.Rc1+/–) 29.Rf1 Kg8 30.Re7 (30.b6 ab6 31.Rd5 Rd5+/–) 30...Rb5 (30...Rd4 31.Rb7 R4d7 32.Rd7 Rd7 33.Ra1+=) 31.Rff7+/– Rg5 32.Rb7 Rd4 33.Ra7 Rd1 34.Rf1 Rd2 35.g3 Rb2 (35...Rh5 36.h4 Re5 37.Rf2+=) 36.Rb7 Rc5 (36...Rd5 37.Rf2 Rf2 38.Kf2 Rd2 39.Kg1 Rd1 40.Kg2 Rd2 41.Kh3+/–) 37.Rf2 Rb1 (37...Rc1 38.Kg2 Rf2 39.Kf2 Rc2 40.Kg1 Rc1 41.Kg2 Rc2 42.Kh3+/–) 38.Kg2 Rc3 (38...Rd5 39.b4+/–) 39.b4 (39.Rff7 g5 40.Rfd7 Rb2 41.Kh3 Rf3+–) 39...Rcb3 (39...Rc4 40.Rff7 Rb2 41.Kh3 g5 42.Rg7 Kf8 43.Rbf7 Ke8+/–) 40.Rf4 (40.Rff7 g5 41.Rg7 Kf8 42.Rbf7 Ke8+–) 40...g5? (better is 40...R3b2 41.Kh3 Rh1+/–) 41.Rd4+– R1b2 42.Kh3 Rf3 43.Rd6 (43.Rdd7 Rff2 44.Kg4 Rf6+–) 43...Rff2 (43...Rf7 44.Rg6 Kh7 45.Rbb6 (45.Rf7?! Kg6 46.Rb7 h5=) 45...Rb4 46.Rh6 (46.Rb4?! Kg6 47.g4 Rf6=) 46...Kg7 47.Rbg6 Kf8 48.Rh8 Ke7 49.Rg5+–) 44.Kg4 (better is 44.Rd8 Rf8 45.Rdd7+–) 44...Rbe2? (better is 44...Rf7 45.Rg6 Kh7+–) 45.Kh5 (better is 45.Rg6 Kf8 46.Rh6 Rh2 47.Rh2 Rh2 48.Kg5+–) 45...Rh2 (45...Kf8+–) 46.Kg6 Re8 47.Rg7 Kh8 48.Rh7 (better is 48.Rdd7 Re6 49.Kf7+–) 48...Kg8 49.Rh6 (49.b5 Rhe2 50.Rg7 Kh8 51.Kh6 Rh2 52.Kg6 g4+–) 49...Rg2 (49...Rh6 50.Kh6 Rb8 51.Kg5 Rb4 52.Rd7+–) 50.Rd3 (better is 50.Kf5!? Rf8 51.Kg4 Rb8+–) 50...Rb2 (50...Rb8 51.Rd7 Rb6 52.Kg5 Rg3 53.Kf4 Rh6 54.Kg3+/–) 51.Rd4 (51.Kg5 Rb4 52.Rg6 Kh8+–) 51...Rb8+/– 52.Kg5 Rb5 53.Kg4 (53.Kf4 R5b4 54.Rhd6 Rd4 55.Rd4 Kg7+/–) 53...Kg7 (53...R5b4 54.Rhd6+/–) 54.Rh5 (54.Rhd6 R2b4 55.Kf4 Rb6+/–) 54...R5b4 55.Rb4 (55.Rg5 Kh7 56.Rgd5 Rd4 57.Rd4 Kg6+/–) 55...Rb4 56.Kg5 Rb5 (56...Rb6 57.Rh1+/–) 57.Kh4 Rb4 (57...Rb6 58.Rg5 Kh6 59.Rd5+/–) 58.g4 Kg6 59.Rc5 (59.Rg5 Kh6+/–) 59...Rb6 60.Rc4 Ra6 ½–½. Antoniadis,Nikolaos – Vlahopoulos,Vasilios (2100), Ambelokipi op, 1999.

7.c4 f5 8.Nc3 Be6 9.c5 (9.Nd5? Bd5 10.Qh5 g6–+) 9...Be7 10.Nh3 g5 11.Be2 Nh6 Black intends g4 12.f4 g4 13.Ng5 Bg5 14.fg5 Qg5 15.Qb3 Qd8 16.0-0 Ng8 17.Bg4 fg4 18.Ne4 1–0. pcmvr (2850) – rollerblade (2390), net–chess.com, 2011.

7.c4 f5 8.Nc3 Nf6 9.Qb3 Nbd7 (9...Bd6!?=) 10.Nh3 Qa5 11.Nf4 (11.c5!?+/–) 11...Bd6= 12.Ne6 Nf8 (12...Kf7!? 13.cd5 Nb6=) 13.cd5+/– (worse is 13.Ng7 Kf7 14.c5 Bf4=) 13...Be6 14.de6 Ke7 (14...Qb4 15.b6 ab6 16.Bb5 Ke7 17.d5+/–) 15.Bc4 (15.d5 Rc8 16.Rc1 Ng6+/–) 15...Rc8 (better is 15...Qb4 16.Qb4 Bb4+=) 16.Rc1 (better is 16.a3+/–) 16...Qb4= 17.0-0? (better is 17.Qb4 Bb4 18.Bb3 Ne6 19.Be6 Ke6 20.Ke2+=) 17...Rc4–+ 18.Nd5 Nd5 19.Rc4 Qb3 20.ab3 Ne6 21.Ra1 Bb8 22.Ba3 Kd7 23.Bc5 b6 (23...Nc5?! 24.dc5 Nf4 25.c6 Kc7 26.f3–+) 24.Ba3 Nec7 25.Rac1 (25.Bc1 Nb5 26.Bg5 f4–+) 25...Nb5 26.Bb2 Nf4 27.R1c2 Nd3 28.Bc1 Bd6 29.g3 Ne1 30.Ra2 Nf3 31.Kg2 Nfd4 32.Be3 (32.Bb2 Nb3 33.Bg7 Rg8–+) 32...Nb3 33.Rb2 Na5 34.Ra4 Nc3 35.Rd4 Ke6 36.Bd2 Be5 37.Bc3 Rc8 38.Rb5 Bd4 (better is 38...Rc3 39.Rd8 Nc4 40.Re8 Kd7 41.Rh8–+) 39.Bd4 g6 40.g4 Nc6 41.gf5 gf5 42.Bb2 Rg8 43.Kf1 Rd8 44.Rb3 Rd3 45.Rb5 Rd1 46.Kg2 Rb1 47.Kg3 Nd4! 48.Rb4 (48.Bd4 Rb5 Pinning (48...Rb5 Deflection)) 48...Ne2 49.Kh4 Nf4 0–1. Ramos Moreno,Francisco Jose (2120) – Marholev,D (2380), 14th Malaga Open, 2011.

7.c4 f5 8.c5 Nf6=.

7.c4 Bf5 8.Nc3 Bb4 (8...Ne7 9.Rc1=) 9.a3 (9.Qa4 Bc3 10.Bc3 Ne7=) 9...Ba5= 10.Nge2 Ne7 11.c5 (11.Ng3 Be6=) 11...0-0 12.Ng3 Bg6 13.Be2 (13.Qd2 Qc7=) 13...f5 14.f4 Nd7 (14...a6 15.0-0=) 15.0-0 Nf6 16.Rc1 (16.Qd2 Qc7=) 16...Bf7 (16...Qc7 17.Qd2=) 17.Rf2 (17.Qd2 Qc7=) 17...Re8 (17...Qc7 18.Qd2=) 18.Nf1 (18.Qd2 Ng4 19.Rff1 Qd7=) 18...Ng6 (18...Qc7 19.Ne3=) 19.Ne3 Bc7 20.g3 Be6 21.a4 (21.Rf1 Ba5=) 21...Ba5 22.Bf1 Rc8 (22...Qc7 23.Qb3=) 23.Qb3 h5 (23...Ne7 24.Re1=) 24.Bh3 (24.Ba3 h4=) 24...Qd7 25.Ng2 (25.Rfc2 h4=) 25...h4 26.gh4 Kf7 (26...Qf7 27.Nd1+=) 27.Nd1 Rh8 28.Bc3 (28.Qg3 Nf8=) 28...Bc7 (28...Bc3 29.Qc3 Nh4 30.Nh4 Rh4 31.Qg3+=) 29.Bd2 (29.Bb4 Nh4 30.Nh4 Rh4–/+) 29...Nh4+= Black begins to deal mighty blows 30.Nh4 Rh4 31.Qg3 Rch8 32.Rg2 Attacking the backward pawn on g7 32...Ng4 33.Bg4 fg4 (33...Rg4 34.Qf2+=) 34.Nf2 (34.c6 bc6 35.bc6 Qe7+=) 34...g5 (34...Ke8 35.Rf1+=) 35.Rf1 Ke8 36.Nd1 (36.Be3 Qf7 37.b6 ab6–+ (37...gf4 38.Qh4 Rh4 39.ba7+–)) 36...Rh3–+ 37.Qe1 g3! 38.Rg3? Decoy to g3 (38.Qg3 Rg3) 38...Rh2 39.Rg5 Qh7 (39...Rh1 40.Kf2 R8h2 41.Ke3 Rh3 42.Kf2 Rf3 43.Kg2 Rhf1–+) 40.Ne3–/+ Bd8 (40...Bd8 41.Rg3 Rh1 42.Kf2 Qh2 43.Ng2 Bh4 44.Rh1 Bg3 (44...Qg3?! 45.Kg1 Qf2 46.Qf2 Bf2 47.Kf2 Rh1 48.Ne3+=) 45.Ke3 Be1 46.Rh2 Bd2 47.Kd2 Rh2–+) 0–1. Borrmann,Fritz – Pommerel,Wim, CiF, 1996.

7.Nd2 Be6 8.Ngf3? ef3–+ 0–1. Rossbach – Brinkmann,Wilhelm, corr SOK–90–63, 1990.

7.Nd2 Be6 8.Qh5 g6 9.Qe2=.

7.f3 f5 8.fe4 de4 9.c4=+.

7.f3 Bf5 8.fe4 Be4 9.Qe2 (9.Nd2 f5=) 9...Qe7 (9...f5 10.Nf3=+) 10.Nd2 (10.Nc3!?=) 10...Bc2=+ 11.Rc1 Qe2 (11...Bf5 12.Ngf3=+) 12.Be2 (12.Ne2 Bf5 13.Nf4 Ne7=) 12...Bf5=+ 13.Bf3 Ne7 14.Ba3 Be6 (14...a6 15.ba6 Na6 16.Rc3-/+) 15.Ne2= Nd7 (15...Ng6 16.Bf8 Rf8= (worse 16...Nf8 17.Nf4 Nbd7 18.Nd5+/-)) 16.Nf4+= The isolani on d5 becomes a target 16...Bf7 17.Be7 Be7 18.Nd5 Bd5 (18...Rb8 19.Ne7 Ke7 20.Kf2+/-) 19.Bd5 Rb8 20.Rc7 Bd6 21.Rb7 Nb6? (21...Rb7 22.Bb7 Kd8 23.Nc4+-) 22.Rb8 (better 22.Bc6 Kf8 23.Ra7+-) 22...Bb8 23.Bc6 Kf7 24.0-0 Rd8 25.d5?? (better 25.Nf3+-) 25...Nd5= 26.Bd5? (better 26.Ne4!? Ne3 27.Rf3=) 26...Rd5-/+ 27.Nb3 Rb5 28.Nd4 (28.Rd1 a5-/+) 28...Rd5 (28...Rb2 29.Nc6-+) 29.Nc6 (29.Nf3 a6-/+) 29...Bc7 30.Na7? (better 30.Kh1-+) 30…Bb6 (30...Bb6 31.Kh1 Ba7-+) 0-1. dimm (1645) - Wasily1950 (2070), Rated Classical game, lichess.org, 2013.

7.Qh5 g6 8.Qe2 Bf5 (8...Be6 9.Nd2=) 9.c4 (9.Nd2 Qa5=) 9...Ne7 (9...dc4 10.Nc3 Ne7 11.g4+=) 10.f3 (10.Nc3 dc4 11.g4 Bc8+=) 10...ef3 11.Qf3 Bg7 (11...Nd7 12.Nc3 dc4 13.g4=) 12.Kf2 (12.Nc3 Qd6=) 12...0-0 (12...Be4!? 13.Qd1 0-0=) 13.Nc3+= Be6 (13...dc4!? 14.Bc4 Kh8+=) 14.Re1+/– Bf7 15.Ba3 Nf5 (15...Re8!? 16.Be7 Re7 17.Re7 Qe7 18.Nd5 Qd8+=) 16.Bf8+– Bf8 17.Nd5 (17.cd5?! Nd4 18.Qd3 Bc5+=) 17...Nd4 (17...Nd7 18.Rd1+–) 18.Qf6 Qf6 (18...Nd7 19.Qd8 Rd8+–) 19.Nf6 Kg7 20.Ne8 Kh6 (20...Be8 21.Re8 Bc5+–) 21.Nc7 Bc5 22.Na8 Nc2 23.Ke2 Ne1 (23...Bc4 24.Kd2 Ne1 25.Bc4 (25.Ke1?! Bb4 26.Kf2 Bc5 27.Kf3 Bf1+–) 25...Ng2 26.Ne2 Bb4 27.Kd3 Ne1 28.Ke4+–) 24.Ke1 Bd6 (24...Nd7 25.Nf3+–) 25.Nf3 Nd7 26.Be2 (26.Bd3 Be6+–) 26...Nc5 (26...Be6 27.Rf1+–) 27.Rf1 b6 (27...Kg7 28.Kd2+–) 28.Ne5 Bg8 29.Nf7 Kg7 (29...Bf7 30.Rf7 Bb8+–) 30.Nd6 Ne6 31.Nc8 Nd4 32.Na7 (better is 32.Bd3 Nc2 33.Bc2 Bc4+–) 32...Ne2 33.Nb6 (33.Nb6 Nd4 34.a4+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.c4 Bb4

8.Bc3 Qa5 9.Qd2 Bc3 10.Nc3 dc4 11.Bc4 Bf5 +/–.

8.Bc3 Qa5 9.cd5?? Bc3 10.Nc3 Qc3 11.Ke2 Bg4 12.f3 ef3 13.Nf3 Ne7 –+.

8.Bc3 Bc3 9.Nc3 Be6 =.

8.Nc3 Ne7 9.a3 Ba5 10.f3 0-0=+ 11.fe4 de4 12.Nge2 Bg4 13.Rc1 f5 14.h3 Bh5 15.d5 Nd7 16.Qc2 Ng6 (16...Ng6 17.g3 Bf3–/+) 0–1. Wartig,Wolfgang – Brinkmann,Wilhelm, corr SOK–89–41, 1989.

8.Nc3 Ne7 9.Qb3 Bc3 10.Bc3 Be6 11.c5 0-0 12.Ne2 Ng6 (12...Nd7 13.Rc1=) 13.Bd2 (13.h4 Ne7+/–) 13...f5 (better is 13...a6!? 14.ba6 Ra6=) 14.h4+/– Nh4 (better is 14...h5!? 15.Bg5 Qa5 16.Nc3 Nd7+/–) 15.Qh3+– g5 16.Bg5 (16.Qg3!? Ng6 17.Bg5 Qa5 18.Bd2 Qa4+– (18...Qb5?? 19.Nf4 Qe8 20.Qh2+–)) 16...Qg5+/– 17.Qg4?? (better is 17.Qh4 Qh4 18.Rh4+/–) 17…fg4–+ 0–1. Hanison,Bernard – Brinkmann,Wilhelm, corr TT–4–90, 1990.

8.Nc3 Ne7 9.c5 0-0+= 10.Nge2 f5 (10...Bg4 11.a3 Ba5 12.h3=) 11.g3 (11.a3 Ba5=) 11...g5 Black intends f4 (11...Ng6 12.Qa4 Ba5 13.Bh3=) 12.Qd2 Ng6 Black plans f4 13.a3 Ba5 14.0-0-0 (14.h4!? gh4 15.Qh6=) 14...f4+= 15.gf4 gf4 16.Kb1 a6 (16...Bf5 17.Ka2 Qh4 18.Rg1 Qf2 19.Rg2–/+) 17.ba6 (17.b6!?+=) 17...Na6 18.h4 (18.Rg1 f3 19.Nf4 Bf5+=) 18...f3 (18...f3 19.Ng3 b6–/+ (19...Nh4? 20.Qh6+–); 18...Bf5 19.Qc2 e3–+) 0–1. Bivens,William – Brinkmann,Wilhelm, corr TT–4–90, 1990.

8.Bc3 Bc3

9.Nc3 Ne7 10.cd5 Nd5?? (better is 10...0-0+=) 11.Qh5+– (11.Qh5 Ke7 12.Nd5 Kf8 13.Bc4 Qa5 14.Kf1+–) 1–0. Tauscher,David (2380) – Noack,Thomas (2000), RSX7E – A00 – Sokolsky–2, 2009.

9.Nc3 Be6

10.Qa4 Ne7= 11.cd5 Bd5 12.Nd5 Nd5 13.Bc4 Nb6 14.Qb4 (14.Qb3 Nc4 (14...Qd4?? 15.Bf7 Kf8 16.Rd1+–) 15.Qc4 Nd7+=) 14...a5 15.ba6 Na6 16.Qb5 Ke7 17.Ne2 Nc4 18.Qc4 Qa5 19.Kd1 Rhc8 20.Qb3 Nb4 21.Ng3 (21.Nf4!? Qa4 22.Kd2=+) 21…Na2–/+ (21...Na2 22.Qb7 Kf8–/+) 0–1. Trokenheim,Marek – Brinkmann,Wilhelm, corr SOK–89–41, 1990.

10.c5 Ne7= 11.Be2 0-0 12.f3 f5 13.Nh3 Ng6 14.0-0 Nd7 15.Qb3 Kh8 (15...Re8 16.fe4 fe4 17.Nf4 Nf4 18.Rf4=) 16.a4 Qh4 17.Rad1 (worse is 17.Nd5 ef3 18.Bf3 Nf6–/+) 17...Nf6 18.Nf2 (18.b6 f4 19.Nf2 e3=) 18...Qg5 19.fe4 de4 (19...Nf4 20.g3 fe4 21.Rc1+=) 20.Qc2 (20.Bc4 Nh4 21.g3 Nf3 22.Kg2–+) 20...Nf4+= Do you see the mate threat? 21.g3 N4d5 22.Rb1 (22.Nd5 Nd5 23.Qc1 Qc1 24.Rc1=) 22...f4 (better is 22...Nc3!? 23.Qc3 f4–/+) 23.Nce4 (23.Nfe4 Qg6 24.Bd3 Ne3=) 23...Ne4 Black begins to deal mighty blows 24.Ne4 (24.Qe4 fg3 25.Ng4 Nf4 26.Rf4 gh2 27.Kh2 Qf4 28.Qf4 Rf4–+) 24...Qg6 25.Bd3 White prepares c6 (25.Qd3 Bf5 26.Bf3 Rae8–/+) 25...Ne3 (better is 25...Bf5!? 26.Rbe1 Ne3 27.Re3 fe3–/+) 26.Nd6+= Nc2 27.Bg6 hg6 (worse is 27...Nd4 28.Be4+– (28.Nb7 hg6 29.gf4 g5+=)) 28.Nb7 (28.Rf4 Rf4 29.gf4+=) 28...Nd4 29.c6 (29.gf4 g5+=) 29...f3 30.Rf2 (30.Kf2!?–/+) 30...Bh3 (30...Bh3 31.Nd6 Rad8–+) 0–1. Hasler,Ulrich – Brinkmann,Wilhelm, corr SOK–89–35, 1989.

10.cd5?! Qa5!? Adam.

10.cd5 Bd5

11.Nd5 Qd5 12.Be2 Nd7 =.

11.Qg4 Qa5 12.Rc1 g6 13.Bc4 Bc4 14.Qc8 Qd8 15.Qc4 +/–.

11.Qh5 Bf7 12.Qg4 Bg6 +=.

11.Qg4 g6

12.Nd5 Qd5 13.Qc8 Ke7 –+.

12.Ne4? f5 13.Qf4 Qe7 –+.

12.Qf4 Qa5 13.Nge2 Nd7 14.Qd2. Buss,Michael – Brinkmann,Wilhelm, corr ICCF, 1997.

12.Qf4 Ne7 13.Qf6+/– Rf8 14.Qg5 Nd7?? (14...Rf5 15.Qe3+/–) 15.Rc1 (15.Nd5 Qa5 16.Kd1 Qa4 17.Ke1 Qa5 18.Qd2 Qd2 19.Kd2 Nd5 20.Nh3+/–) 15...Rc8+/– 16.Nge2 Nf6 17.Qd2 (17.a3 Nf5+/–) 17...Ng4 (17...Nf5 18.Ng3+/–) 18.Nd1 (18.Nf4 Nf6+/–) 18...Rc1+= 19.Qc1 (19.Nc1 Kf7+=) 19...Nf5 (19...Ba2 20.Qa3 Bd5 21.h3+=) 20.h3 Nf6 21.Ndc3 (21.Qa3 Qb6+=) 21...Bc4 The isolani on d4 becomes a target 22.h4 (22.Qd2 Kf7+=) 22...Nd4= 23.Nd4 Qd4 24.Qd2 (24.Bc4 Qc4 25.Qe3 Rf7+=) 24...Qd2 25.Kd2 e3 26.Kc2 (26.Ke3 Ng4 27.Kd2 Rf2 28.Be2 Rg2–/+) 26...Be6 (26...Bf1 27.Rf1 Ng4 28.f3+=) 27.f3 (better is 27.fe3!? Nd5 28.Nd5 Bd5 29.a3+=) 27...Nh5 (27...Nd5 28.Bc4 Bf5 29.Ne4+=) 28.Kd3 ½–½. Woelfelschneider,Peter – Kitt,Michael, PCM–2003–G2 TSC, 2003.

12.Qf4 g5!? 13.Qe3 Qa5 +=.

7.c4 Be6

8.a4 Bb4 9.Bc3= Bc3 10.Nc3 f5 (10...dc4 11.Ne4 Bf5 12.f3+=) 11.cd5+= Bd5 12.Nh3 (12.Nd5 Qd5 13.Rc1 Nd7+=) 12...Nf6= 13.Nd5 Qd5 14.Nf4 Qd6 15.g3 (15.Rc1 Nbd7 16.Qd2 Rd8=) 15...0-0 16.Bc4 Kh8 17.0-0 Nbd7 18.Kg2 (18.Be6 g5 19.Bd7 Nd7=) 18...Rac8+= 19.Bb3 Ng4 20.Re1 Rc3 21.Rb1 (21.Bd5 Qh6 22.h3 g5+–) 21...Rf3 22.Nh3 (better is 22.Re2!?=) 22...h5 (better is 22...Rd3!? 23.Qe2 Qd4–/+) 0–1. Zimmer,Georg – Grehl,Siegfried, corr SOK–89–29, 1989.

8.a4 dc4!? 9.Nc3 Bb4–/+.

8.Qb3 Be7 9.Nc3 dc4 10.Bc4 Bc4 11.Qc4 f5 12.Nge2 Nf6 13.Nf4 Nbd7 14.Ne6 Qc8 15.Qc8 Rc8 16.Ng7 Kf7 17.Nf5 Bb4 18.Rc1 Kg6 19.Ne3 Nb6 20.0-0 Rhd8 21.d5 Bc3 22.Rc3 Rc3 23.Bc3 Nbd5 24.Nd5 Rd5 25.Bf6 Kf6 26.Rb1 Rd2 27.a4 Ra2 28.g3 Ra4 29.Kf1 a5 30.ba6 ba6 31.Ke2 Ke5 32.Ke3 Ra3 33.Ke2 h5 34.h4 Kd4 35.Rb4 Ke5 36.Rc4 a5 37.Rc5 Kd4 38.Rh5 Ra2 39.Ke1 a4 40.Rh8 a3 41.Rd8 Ke5 42.h5 Ra1 43.Ke2 a2 44.Ra8 Kd4 45.h6 Kc3 46.h7 Rh1 47.Ra2 Rh7 48.Rd2 Rf7 49.Rd8 Re7 50.Ke3 Kc2 51.g4 Rg7 52.Kf4 Rf7 53.Ke4 Rf2 54.g5 Re2 55.Kf5 Rf2 56.Ke6 Re2 57.Kf7 Rf2 58.Kg7 Rg2 59.g6 Kc3 60.Kg8 Kc4 61.g7 Kc5 62.Kf7 Rf2 63.Ke6 Re2 64.Kf5 Rf2 65.Ke4 Re2 66.Kf3 1–0. mihai740609 – tarikatsky, internet, 2014.

8.Qb3 Ne7 9.c5 Ng6 10.Ne2 Be7 11.Nbc3 (11.h4= h5 12.Bc1 f5 13.Qg3 Bf7 14.Bg5 Bg5 15.Qg5 Qg5=) 11...0-0 (11...f5 12.Rd1 (12.Bc1= 0-0 13.Nf4 Nf4 14.Bf4 g5 15.Bd2 Bf6=) 12...Bg5 13.Bc1 Bc1 14.Rc1 0-0 15.h4 h5=) 12.g3 (better is 12.h4!?+= Qd7 13.h5 Ne5 14.Nf4 Nd3 15.Bd3 ed3+/–; 12.Ne4 Re8 (12...f5 13.Nd2 Re8 14.Rc1 Qd7 15.Qa4 a6+=; 12...Qd7 13.Nd2 Re8 14.h4 h5 15.Bc1 Bd8+=) 13.Nd2 f5 14.Qd3 Bf6 15.a3 f4+=) 12...f5= (12...Qd7 13.h4 Bd8 14.h5 Ne7 15.Nf4 Bf7=) 13.h4 (13.Bh3 Qd7 14.0-0 Bc5 15.dc5 d4=) 13...Nh4?? (better is 13...Bf6+= 14.Bc1 Nd7 15.Be3 Qe8=) 14.gh4+– (14.Rh4?! Bh4 15.Nf4 Bf7 16.gh4 Qh4+/–) 14...Bh4 15.Nf4 Re8?? (15...Bf7 16.Bc1 Bf6+–) 16.Ne6 Re6 17.Qd5 (17.Rh4 Nc6 18.bc6 Qh4 19.cb7 Rb8 20.Qd5 Kf7+–) 17...Qd5 18.Nd5 Nd7 (18...Bd8 19.Bc4 Kh8+–) 19.Nc7 Bf2 (19...Rh6 20.Na8 Kf8 21.Kd1+–) 20.Kf2 Rh6 (20...e3 21.Kf3 e2 22.Ne6 ef1N 23.Raf1+–) 21.Rh6 (21.Rh6 gh6 22.Na8+–) 1–0. Bohley,D – Thompson,Dean, East Lansing ch–MI op, 1982.

8.Qb3 Nh6 9.Nc3 dc4 10.Bc4 Bf5 11.Nge2 Nd7 12.0-0 Nb6 13.Be6 Be6 14.Qe6 Qe7 15.Qe7 Be7 16.Ne4 0-0 17.Nc5 Rac8 18.Rfc1 Bc5 19.dc5 Na4 20.Ba3 Rfe8 21.Nc3 Nc5 22.Bc5 Rc5 23.a4 Rec8 24.Ne2 Nf5 25.Rc5 Rc5 26.Rc1 Rc1 27.Nc1 Kf7 28.Kf1 Ke6 29.Ke2 Kd5 30.Kd3 Nh4 31.g3 Nf3 32.h4 Ne5 33.Kc3 1–0. mihai740609 – zmzimu, internet, 2014.

8.Nc3 Qa5!? Kreuzer.

8.Nc3 dc4 9.d5. Kreuzer.

8.Nc3 Ne7 9.Qb3 (9.c5 Ng6 10.Nge2 f5 11.Bc1 Be7 12.Nf4 Nf4 13.Bf4=) 9...f5 (9...Qa5 10.c5 Kf7 11.Nge2 Ng6 12.h4 h5 13.g3+=) 10.Nh3 Ng6 (10...g6 11.Rd1 Bf7 12.cd5 Bh6 13.Bc4+/–) 11.Be2 (11.cd5 Bf7 12.Bc4 Bd6 13.0-0+=) 11...Nd7 (11...f4 12.Nd5 f3 13.Bf1=) 12.cd5 Bd5?? (better is 12...Bg8+= 13.Ba3+=) 13.Qd5+– Be7 (13...Nf6 14.Qf5 Qc8 15.Qc8 Rc8 16.a3+–) 14.Qf5 Nf6 15.Ne4 Ne4 16.Qe4 Qa5 17.Kf1 0-0-0 18.b6! Qb6 (18...Qb6 19.Rb1; 18...ab6 19.Ng1) 19.Rb1 Qd6 (19...Kb8 20.d5 Qd6 21.Bg7+–) 20.Bc3 Qc7 (20...Qd5 21.Qd5 Rd5 22.Bf3+–) 21.Ba6! ba6 22.Qe6 Rd7 23.Qa6 (23.Qa6 Qb7 24.Rb7 Rb7 25.Ke2+–) 1–0. Badolati,Sergio E – Guenschmann,Martin, corr, 2004.

8.Nc3 f5 9.c5+= (9.Nd5? Bd5 10.Qh5 g6–+) 9...Nf6 10.Nh3 Be7 11.Rc1 (11.Be2 0-0+=) 11...Nbd7 (11...0-0 12.Be2+=) 12.Qd2 b6 (12...Rc8 13.Nf4 Bf7 14.Be2+=) 13.Ng5 (13.Nf4 Nf8+/–) 13...Bg8 (13...Nf8 14.Na4+=) 14.c6 Nf8 15.Be2 (15.Ne2 Bd6+=) 15...Qc7 16.f4 (16.Nh3 Ne6+=) 16...h6 17.Nh3 Ne6 18.0-0 (18.Nd1 g5 19.Ne3 Bh7 20.fg5 Ng5 21.Ng5 hg5=) 18...Bd6 (18...Nd4 19.Kh1 (19.Qd4? Bc5 20.Qc5 bc5–+) 19...Ne2 20.Ne2=) 19.Kh1 Bh7 (19...0-0-0 20.a3=) 20.Bd1 Qf7 (20...g5 21.Ng5 hg5 22.fg5 Bh2 23.gf6–+) 21.Bb3 (21.Re1 0-0+=) 21...Nc7= 22.a4 0-0 23.Nf2 a5 (23...a6 24.Qe3=) 24.Nfd1 Rad8 25.Ne3 The pressure on d5 grows 25...Be7 (25...Rfe8 26.Qf2+=) 26.Qe2 Qe6 27.Kg1 Ng4 28.Nc2 Kh8 29.Qe1 Rg8 30.Qg3 g5 (30...Rde8 31.Rfe1+/–) 31.Ne2 Rg7 32.Rce1 Rdg8 33.Bc1 Bd6 34.Qh3 Qg6 35.Kh1 (35.Ba3 Ba3 36.Na3 Qd6+/–) 35...Rf8 (35...Re7 36.Nc3 gf4 37.Bf4 Bf4 38.Rf4+/–) 36.Ne3 Ne3 37.Be3 (worse is 37.Qe3 gf4 38.Qh3 f3 39.gf3 f4=) 37...g4 38.Qg3 h5 (38...Re7 39.Nc3 Bg8 40.Rf2+/–) 39.Nc3 Bg8 40.Bc1 (40.Rc1 Be7+/–) 40...Be6 41.Qe3 Qf6 42.Ne2 h4 ½–½. Maec,Michael (2430) – Mehlhorn,Uwe (2440), remoteschach.de, 2003.

8.c5 b6 9.c6 a6 10.Nc3 =.

8.c5 Nd7 9.Ne2 f5 10.Nf4 Qe7 11.Ne6 Qe6 12.Be2 Ngf6 13.0-0 Be7 14.Nd2 0-0 15.Nb3 Rac8 16.a4 g5 17.Qd2 f4 18.h3 Kh8 19.Rac1 Rg8 20.g4 f3 21.Bd1 Ng4 22.hg4 Qg4 23.Kh2 Qh4 24.Kg1 g4 25.Qf4 g3 26.fg3 Qf4 27.Kf2 Qg3 28.Ke3 Qg2 29.Bc2 Bg5 0–1. popovicigelu – rlah, internet, 2013.

8.c5 Ne7=.

8.c5 f5 9.a4 Nf6 10.Nc3 Be7 11.Qb3 0-0 12.Nh3 h6 13.Be2 Kh7 (13...Qc7 14.Bc1=) 14.f3 g5 15.fe4 fe4 16.Nf2 Qd7 17.0-0 a6 18.Nfd1 Bg4? (18...ab5 19.Nb5 Nc6 20.Qg3+=) 19.Ne3 (better 19.Bg4!? Ng4 20.Rf8 Bf8 21.Nd5+-) 19...Be2 20.Ne2 ab5 21.Qb5 (21.ab5!? Ra1 22.Ba1+-) 21...Nc6+= 22.Bc3 White prepares a5 22...Rf7 23.Rab1 Rb8 24.a5 (24.Rf5 Kg7+/-) 24...Nh5?? (better 24...Bf8+=) 25.Rf7+- (25.Rf7 Kg8 26.Rf5+-) 1-0. zembelek (2105) - atico (1910), Rated Blitz game, lichess.org, 2014.

8.Nd2 Bb4 9.c5 Ne7 10.Ne2 (10.a3 Ba5=) 10...Bg4 (10...0-0 11.a3 Ba5 12.Nf4=) 11.Qb3 Bd2 12.Kd2 Qc7 13.f3 ef3 14.gf3 Bf5 15.Re1 0-0 16.Ng3 Bg6 17.Re3 Rf7 (17...Re8 18.Rg1=) 18.Bh3 f5 19.Ne2 Nd7 20.Kd1 Nf6 21.Nc3 Qf4 22.Ne2 Qh4 (22...Qh4 23.f4 Bh5=). Jernselius,Kjell – Karlsson,Arne, corr SSKK 2–739, 1990.

8.Nc3 Bb4

9.Qa4 Qa5 10.Qa5 Ba5 11.cd5 Bd5 12.Nge2 Nd7 13.Kd1=.

9.Qb3 Ba5 10.cd5 Qd5 11.Qa4 Bc3 12.Bc3 Nd7 13.Ne2=.

9.Qb3 Ba5 10.cd5 Qd5 11.Nge2=.

9.Qb3 Ba5 10.cd5 Bd5 11.Bc4 Ne7 12.Nge2 Bc4 13.Qc4 Qd5 (13...Nd7 14.0-0 Nb6 15.Qe6+=) 14.Qa4 Bc3 15.Nc3 Qe6 16.0-0 Nd7 17.Ne4?? (17.Rad1 Nd5+=) 17...Qe4 18.Rfe1 Qd5 19.Qb4 0-0 20.Re7 Rae8 21.a4 Re7 22.Qe7 Nb6 23.Rc1 (23.Ba3 Nd7+/–) 23...Nc4 24.Bc3 Rc8 25.Bd2 Kh8 26.Be3 a6 27.ba6 ba6 28.h3 Qc6 29.Rc3 (29.Qf7 a5+/–) 29...Rb8 (29...h6 30.Qb4+/–) 30.Bf4 (30.Qf7 Rc8+/–) 30...Rg8 (30...Rc8!?+/–) 31.Qc7+– Rc8 32.Qf7 (32…f5 33.Be5+– (33.Qf5?! Qe8+–)) 10. Kreuzer,Uwe – Turati,P, corr ICCF EU–H–995, 1990.

9.c5= Ne7 10.Qh5 g6 11.Qd1 0-0 12.Nge2 Ba5 13.Nf4=.

9.cd5 Bd5 10.a3 Ba5 11.Nh3 Ne7 12.Be2 Qd6 13.0-0=.

8.cd5 Bd5

9.a3 f5 10.Nc3 Bf7 11.g4 g6 12.gf5 gf5 13.Nge2 =.

9.Nh3 Bb4 10.Nc3 Ne7 11.Be2 0-0 12.0-0 Bc3 13.Bc3 Nd7 14.Bb4 f5 (14...Nb6 15.Nf4=) 15.Nf4+= Nb6 16.a4 g5? (better 16...Bf7!?+=) 17.a5+– Nbc8 (17...a6 18.ab6 gf4 19.ba6 ba6 20.Qc1+–) 18.Nd5+– Qd5 (18...Nd5 19.Bc4 Rf7 20.Qh5+–) 19.Rc1 Kg7 (19...Nd6 20.Qd2 g4 21.Rc5+–) 20.Rc5 (20.Rc7 Qd8 21.Qc1 Kh8 22.Rb7 h6+–) 20...Qe6 (20...Qd8 21.d5+–) 21.Re5 (21.d5 Qd7 22.Qd4 Kg6+–) 21...Qf6 (21...Qd7 22.d5 Ng6 23.Re6+–) 22.Qc1 Re8 (22...Ng6 23.Bc4+– (23.Bf8 Kf8 24.a6 Nd6 25.ab7 Rb8+–)) 23.Bh5 (better 23.Qc7 g4 24.Qd7 Qf7 25.Qb7 Nd5 26.Qd5 Qd5 27.Rd5 Ne7+–) 23...Rd8 (23...Rg8 24.Qc7 Kh6+–) 24.Qc7 Kf8 (24...Rd6 25.Qb7 Kh6+–) 25.Qd8 Kg7 26.Be7 (26.Be7 Ne7 27.Re7 Kh6 28.Rh7 Kh7 29.Qf6 Rg8 30.Rc1 Rg7 31.Bg6 Kh6 32.h4 gh4 33.Bf7 Rg6 34.Qg6) 1–0. DEFFM – hrek, freechess.org, 2019.

9.Nc3 Bb4

10.a3 Ba5 11.Nh3 Ne7 12.Be2 Qd6 13.0-0 =.

10.Qa4 Bc3 11.Bc3 Ne7 (11...Nd7 12.Rc1 Ne7 13.Be2=) 12.Ne2 (12.Ba5 Qd7 13.Ne2=) 12...0-0 (12...Nd7 13.Rc1=) 13.Ba5 (13.Nf4=) 13...b6 14.Bb4 a6 15.Nc3 ab5 16.Qb5 Bf7 17.Bc4 (17.Be7 Qe7 18.Qb6 Rc8=) 17...Nbc6= 18.Be7 (18.Ne4? Qd4 (18...Nd4?! 19.Bf7 Rf7 20.Qd3–/+) 19.Bf7 Rf7–+) 18...Ne7 19.d5 (19.Rd1 Ra5 20.Qb4 f5=) 19...Nf5 20.0-0 (20.Qb3!?=) 20...Nd4–/+ 21.Qb2 Qc7 22.Bb5 Qe5 23.Rab1 Rfc8 24.Ne2 Ne2 25.Qe2 Bd5 26.a4 Rc5 27.Qd2 Bc6 28.Bc6 Rc6 29.Rb5 Qe6 30.a5 Ra5 31.Ra5 ba5 32.Qa5 h6 33.h3 f5 34.Qd8 Kh7 35.Qd4 Qf6 36.Qf6 Rf6 37.h4 f4 38.Re1 Re6 39.g3 Kg6 40.Ra1 e3 41.fe3 fg3 42.Kg2 Re3 43.Ra5 Kf6 44.Kh3 g6 ½–½. Franke – Kuspiel,Manfred, corr DDR–ch14 sf, 1987.

10.Nge2 Ne7 11.Qa4 Ba5 12.Rc1 Nd7 13.Nf4 =.

5.d4 ed4

6.ed4 c4

7.a4 a6 8.Nf3 Bb4 (8...ab5 9.ab5 Ra1 10.Ba1 Qa5 11.Bc3 Qb5 12.Be2-/+) 9.c3= Qe7 (9...Bd6 10.ba6 Na6 11.Be2=) 10.Be2+= Bd6 11.0-0 Nh6 (better 11...Qd7!? 12.Re1 Ne7=) 12.Re1+/- Be6 13.Bf1 (better 13.Bc4 dc4 14.d5+/-) 13...0-0= 14.Bc4 dc4 15.d5 Re8 (15...Rd8 16.Na3 ab5 17.Re6 Qd7 18.Nb5 Bc5+/-) 16.Re6+- Qd7 17.Re8 (17.Qe2 Rc8+/-) 17...Qe8+/- 18.Nbd2 Nd7 (18...ab5 19.ab5 Ra1 20.Ba1+/- (worse 20.Qa1 Qb5 21.Qa2 Qd5=)) 19.Qc2 (19.Nc4 Bc5+-) 19...Nc5? (better 19...Ne5!? 20.b6 Nhg4+=) 20.Re1 Qf7 (20...Bh2 21.Kh2 (21.Nh2? Qe1 22.Nhf1 Qe2-+) 21...Qh5 22.Kg1+-) 21.Nc4 Bf8 22.Ne3 ab5 23.ab5 Qd7 24.c4 b6 25.Nd4 Nf7 26.Nc6 Ra2 27.Qb1 Ra4 (27...Rb2 28.Qb2 Nd3+-) 28.Qc2 Ra2 29.Qb1 Ra4 30.Rc1 (30.Bd4 Bd6+-) 30...Nd6 31.Bd4 Ndb7 32.Qf5 (32.Re1 Bd6+-) 32...Qd6? (better 32...Qf5 33.Nf5 Nb3+-) 33.h3 (33.Rd1 Qc7+-) 33...Nb3 34.Rd1 Nd4 35.Rd4 1-0. Mely (2090) - blackcrowman (1990), ChessWorld.net, 2018.

7.a4 Bf5 8.Be2 a6 9.Nf3 (9.Nd2 ab5 10.ab5 Ra1 11.Ba1 Qa5–/+) 9...ab5 10.Nh4 (10.ab5 Ra1 11.Ba1 Qa5 12.Bc3 Qa4–/+) 10...Bc8 (10...Bd7 11.Bh5 g6 12.Ng6 Bb4 13.c3 hg6 14.Bg6 Kf8 15.cb4 Qe7 16.Kf1=) 11.ab5+= Ra1 12.Ba1 Qa5 13.Bc3 Qb5 14.0-0 Ne7 15.Re1 Kf7 16.Bd2 (16.Bf3 Na6+=) 16...g5 (16...Nbc6 17.Be3+=) 17.Bh5 (17.Nf3 Bf5 18.Qc1 Qa4+=) 17...Kg7+= 18.Nc3 Qd7 (18...Qb2 19.Be8 Nbc6 20.Qh5+=) 19.Qc1+= Rg8 (19...Ng6 20.Ng6 hg6 21.Bf3=) 20.Bg5= fg5 21.Qg5 Kh8 22.Qe5 Bg7 23.Qb8 (23.Qe7 Qe7 24.Re7 Bf6 25.Nd5 Bh4+=) 23...Bd4 24.Ne2 Bg7 (24...Nc6 25.Qf4 Bg7 26.Nf3+=) 25.Qf4 (25.Nf3 Nc6 26.Qf4 Rf8+=) 25...Rf8 26.Qg5 Qd6 (26...Nc6 27.Bf3 Be5 28.Rd1=) 27.Nf3= ½–½. Grott,Peter (2070) – Krammer,Werner (2000), DESC, 2002.

7.c3 a6 8.ba6 Ra6 9.Nf3 Bg4 10.Be2 Ne7 (10...Bd6 A) 11.a4 A1) 11...Nc6 12.Ba3 (12.h3 Bf5 13.Nh4 Be6 14.0-0 f5 15.Nf3+=; 12.0-0 Nge7 13.Ba3 0-0 14.Re1 Bf4 15.Nbd2+=) 12...Nge7 13.0-0 0-0 14.Re1 Bf4 15.Nbd2=; A2) 11...Ne7 12.Ba3 (12.0-0 0-0 13.Ba3 Bf4 14.Re1 Re8 15.Nh4+=) 12...Ba3 13.Na3 Bf3 14.Bf3 Re6 15.Be2=; A3) 11...Qa5 12.0-0 Ne7 13.Re1 Nbc6 14.Na3 Na7 15.Nc2=; A4) 11...Nd7 12.0-0 Ne7 13.h3 Be6 14.Re1 0-0 15.Nfd2+=; A5) 11...Nh6 12.0-0 (12.Bc1 Nf7 13.0-0 Bd7 14.Re1 0-0 15.Bb2–/+) 12...0-0 13.Re1 Re8 14.Nbd2 Nf7 15.Nf1+=; B) 11.h3 B1) 11...Qb6 12.Qc1 (12.Qd2 Bf5 13.0-0 Ne7 14.Nh4 Be4 15.Bh5–/+) 12...Bf5 13.Ba3 Ne7 14.Bd6 Qd6 15.0-0+=; B2) 11...Bf5 12.0-0+= Ne7 13.Re1 Qb6 14.Qc1 Qa7 15.Bd1+=; C) 11.0-0 Ne7 12.h3 Bf5 13.Re1 Qb6 14.Qc1 Qa7 15.Bd1+=) 11.0-0= Ng6 (11...Re6 12.Re1 Nbc6 13.Ba3 Qa5 14.Nh4 Be2 15.Re2=) 12.Nbd2 (12.Nh4 Be6 13.Bh5 Bd6= 14.h3 Bf7 15.Ng6=) 12...Bd6= (12...Nf4 13.Re1 Re6 14.h3 Qb6 15.Bc1=) 13.Re1 0-0 14.h3 Bf5 (14...Be6 15.a4+= (15.Bc4 dc4 16.Re6 Bh2 17.Nh2 Re6 18.Nc4=)) 15.Bc1 (better is 15.Nc4!? dc4 16.Bc4 Kh8 17.Ba6 ba6 18.c4+=) 15...Kh8 16.Nf1 Qd7 (16...Qa5 17.Ne3 Be4 18.Qd2+=) 17.Ne3 Be6 18.Qc2 Nf4 19.Rb1 Re8 20.Bf1 Nc6 21.Bd2 Ne7 22.Rbd1 b5 23.Rb1 Rea8 24.Ra1 (24.Rb2 Ba3 25.Rbb1 Kg8+=) 24...Ra3 25.Reb1 Nf5 26.Qb2 R3a5 27.Nc2 Ng6 28.Nb4 Nfh4 29.Nh4 Nh4 30.Be1 (30.Re1 Ra4+=) 30...Re8 (30...Ra4 31.Bd2–/+) 31.f3 (31.Bd2!?+=) 31...Nf5 32.Bf2 Bg3 (32...Bc7 33.g4 Qd6 34.Bg2 Qh2 35.Kf1–/+) 33.Re1 (33.Bg3 Ng3 34.Re1 Qd6+=) 33...Qd6 (33...Bc7!?–/+) 34.Bg3+= Ng3 (worse is 34...Qg3 35.Nd5 Kg8 36.f4+/–) 35.Qf2 Ra3 36.Rac1 ½–½. Bogma,E – Mikhalsky,V, Kiev Spring op, 1999.

7.c3 Bf5 8.Ne2 (8.Be2 Qd7 9.a4 Qe6+=) 8...Qe7 (8...Qa5 9.a4+=) 9.Ba3 Qe6 10.Bf8 Kf8 11.Qd2 (11.g3 Be4 12.Rg1 Kf7+=) 11...Nd7 12.Qe3 (12.Qd1 Kf7–/+) 12...Qb6 13.a4 a6 (13...Re8 14.Qf4 Ne7 15.Nd2+=) 14.Na3 (14.Qf3 Qe6 15.ba6 ba6+=) 14...Re8 15.Qf3 Be4 (15...Qe6 16.Kd2 Be4 17.Qe3+=) 16.Qh3= Qd6 17.Kd2 (17.a5 Nh6+=) 17...Ne7 (17...Nh6 18.a5+=) 18.f3 (18.Ng3 Bg6+=) 18...Bf5 (18...Bg6 19.Qg3 Qg3 20.hg3+=) 19.g4 Bd3 20.Qg3 Qe6 (better is 20...Qb6=) 21.Nf4+/– Qb6 22.Nd3 cd3 23.Bd3 Kf7 (23...a5 24.Rhe1+/–) 24.Rhe1 (24.a5 Qa7+– (24...Qa5?? 25.Nc4 Qd8 26.Nd6 Kg8 27.Rhe1+–)) 24...Qa5 (24...a5!?+/–) 25.Qd6+– Nb6 26.Nc2 Nec8 (26...g6+–) 27.Qb4 (better is 27.Qb8+–) 27...Qb4+/– 28.Nb4 (28.cb4 Re1 29.Re1 ab5 30.Bb5 Nd6+=) 28...a5 (28...Re1 29.Ke1 a5 30.Nc2+=) 29.Nc2 (29.Re8 Re8 30.Nc2 Nd6+/–) 29...Re1 (29...Nd6 30.Ne3+=) 30.Ne1 (30.Re1 h5 31.g5 fg5+=) 30...h5+= 31.h3 (31.g5 fg5 32.Ng2 Nd6+=) 31...hg4 32.hg4 Rh2 (32...Nd6 33.Ke2=) 33.Ke3+= Nd6 34.Kf4 Rh1 35.Nc2?? (better is 35.Kg3+=) 35...Ra1–+ 36.Na1 Na4 37.Nb3? (better is 37.Nc2!?–+) 37...b6 (37...Nc3?! 38.Na5 b6 39.Nc6 Ncb5 40.Ke3–/+) 38.g5 (38.Ke3 Nc3 39.f4 a4–+) 38...Nc3 39.gf6 gf6 40.Na5 (40.Na1–+) 40...ba5 41.b6 Na4 42.b7 Nb7 43.Bb5 (43.Ke3 Nb2 44.Ba6 Nd6–+) 43...Nc3 44.Bc6 a4 45.Bb7 (45.Ba4 Na4 46.Ke3–+) 45...a3 46.Ba6 a2 47.Bd3 a1Q 48.Ke3 (48.Bg6 Kg6 49.Kg3 Qg1 50.Kh3 Ne2 51.Kh4 Qg3) 48...Qg1 (48...Qe1 49.Kf4 Qg1 50.Bg6 Ke7 51.Be4 Qg5) 49.Kd2–+ Qd4 0–1. Schiefelbusch,Dirk (2060) – Gorval,Eugen (2120), Dortmund–ch, 2005.

7.Nc3 a5 8.Qh5 g6 9.Qd5 Qe7 10.Qe4 Qe4 (10...Bf5 11.Qe7 Ne7 12.Bc4 Nd7+–) 11.Ne4 Be6 (11...Bf5 12.f3 Nd7+–) 12.0-0-0 Nd7 (12...Bd5+–) 13.d5 Bf5 14.Ng3 Bh6 (14...Rc8 15.Nf5 gf5 16.Nf3+–) 15.Kb1 Nb6 16.Nf5 gf5 17.Bd4 Nd5 18.Bc4 Nge7 19.Bd5 Nd5 20.c4 Ne7 21.Bf6 Rg8 22.g3 (22.Nh3 Bf8 23.Rhe1 Rc8+–) 22...Rg6 (22...Rc8 23.Rd4+–) 23.Be7 Ke7 24.Nf3 Re6 (24...Re8 25.Nh4 Rf6 26.Rhe1 Kf8 27.Re8 Ke8 28.f4+–) 25.Nd4 Rf6 26.Rhe1 Kf7 27.f4 Rc8 28.Nf3 Rc7 29.Kb2 (29.c5 Bf8 30.Ne5 Kg8+–) 29...a4 (29...Re6 30.Re6 Ke6 31.Kb3+–) 30.Ne5 Kg7 31.Ka3 Kg8 32.Ka4 Bf8 33.Rd7 (33.Rd7 Bd6 34.Rc7 Bc7 35.c5 Be5 36.fe5+– (worse is 36.Re5 Kf7+–)) 1–0. Franke,Roland – Szewczyk,Franz, corr DDR–ch H296, 1988.

7.Nc3 Ne7 8.Be2 (8.Nf3 a6=) 8...Ng6 (8...a6 9.ba6 Na6 10.Nf3=) 9.Bg4 (9.Nf3 Be7=) 9...Bg4 (9...Bb4 10.Bc8 Qc8 11.Nge2+=) 10.Qg4= Bb4 (10...a6 11.Nge2 ab5 12.Qh5=) 11.Nge2 0-0 (11...Qd7 12.Qf3=) 12.Qe6 Kh8 13.0-0 Re8 14.Qd5 Qd5 15.Nd5 Bd6 (15...Re2 16.Nb4 a5=) 16.Ng3 Nd7 (16...Rd8 17.Rae1 c3 18.Bc3 Bg3 19.fg3+–) 17.Nf5+– Bf4 (17...Bb8 18.Rae1 Bf4 19.Nf4 Nf4 20.Nd6 Ne2 21.Kh1+–) 18.g3 (18.Nf4?! Nf4 19.Rfe1 c3+/–) 18...Bb8 19.Rfe1 Rd8 20.Re4 (20.h4 a6+–) 20...a5? (20...a6 21.b6+–) 21.Rae1+– Ba7? (21...Nde5 22.de5 Be5+–) 22.Nd6 f5 23.R4e2 Nb6 24.Nb6 Bb6 25.Nc4 (25.Nb7 c3 26.Nd8 h5 27.Bc3 Bd8 28.Re8 Kh7+–) 25...Bc7 26.b6 (26.b6 Bb6 27.Nb6+–) 1–0. pcmvr (2100) – anangemede (2065), net–chess.com, 2006.

7.Nc3 Bf5 8.a3+=.

7.Qe2 Qe7 8.Nc3 Qe2 9.Nge2 Bb4 10.Nf4 Ne7 11.0-0-0 Bc3 12.Bc3 g5 13.Re1–+ Kf7?? 14.Re7!+– Ke7 15.Nd5 Kd6 16.Bc4 Be6?? 17.Bb4 (17.Bb4 Kd7 18.Nf6 Kd8 19.Be6+–) 1–0. guest3527 – guest2111, ICC, 2005.

7.Qe2 Ne7 8.Nc3 Qd6 9.g3 Be6 10.Nh3 Nd7 (10...Qd7 11.Nf4 Bg4 12.f3+–) 11.Nf4= Bf7 12.Bg2 0-0-0 13.a4 (13.Qf3 Nb6=) 13...Qb4 (13...Re8 14.0-0 Ng6 15.Qh5 Nf4 16.Qf7=+) 14.Ra2 Nb6 (14...Re8 15.0-0 g5 16.Ne6+=) 15.a5 Na8 16.Qe3 (16.0-0 Re8+=) 16...Qd6 (16...Kb8!?+=) 17.Ba3+/– Qd7 18.Be7 Be7 19.0-0 Rhe8 20.Qf3 Kb8 (better is 20...Bd6!?+/–) 21.Nfd5+– Bd5 22.Nd5 Qb5 23.Nc3 (23.a6 Bd6+–) 23...Qa6 24.Rb2 1–0. Rosner,Dirk – Erlandson,Harry, corr 3GMM–14, 1995.

7.Qe2 Ne7 8.Nc3 Kf7 9.Qh5 g6 10.Qf3 a6 11.Nge2 ab5 12.Nf4 Nbc6 13.Ncd5 g5 (13...Nf5 14.c3 Ba3 15.Rb1–/+) 14.Ne7+= Qe7 15.Ne2 Nb4 16.Kd1 Bh6 (16...g4 17.Qf4+=) 17.Qh5 (17.g4!? Na2 18.h4=) 17...Kg7–/+ 18.a3 (18.Ng3 Na2 19.d5 c3–+) 18...Bf5 (18...Nc2!? 19.Kc2 Qe4 20.Kd2–+) 19.ab4–/+ Qb4 20.Rc1 Qb2 21.Qf3 Bd7 22.Qb7 Rad8 23.Qa7 (better is 23.g4!? Rhe8 24.h3–/+) 23...g4–+ 24.f4 gf3 25.gf3 Bc1 26.Nc1 Rhe8 27.Bh3 Qc3 28.Rf1 Re7 29.Bf5 (29.d5 Rde8 (29...Bh3?! 30.Qe7 Kh6 31.Qd8 Qd4 32.Ke1 Qc3 33.Kf2 Qd4 34.Ke2 Qe5 35.Kd2 Bf1 36.Qf8 Kg6 37.Qg8 Kh6 38.Qf8 Kg6 39.Qg8 Kh6 40.Qf8=) 30.Be6 Be6–+) 29...Rde8 (29...Bf5?! 30.Qe7 Kg6 31.Qd8 Qc2 32.Ke1 Qc1 33.Kf2=) 30.Be4 f5 (better is 30...Bg4! 31.Ne2 Qe3 32.Qa5 Re4 33.Qd2 Qd2 34.Kd2 Re2 35.Kc3–+) 31.Rg1 Kh8 32.Ne2 Qe3 33.Qa5 fe4 34.f4 Rg8 35.Rg3 Rg3 (35...Qf2 36.d5 e3 37.Qc3 Rgg7 38.d6–+) 36.hg3 Re8 37.Qa6 Qf3 38.Qf6 Kg8 39.Qg5 Kf7 (39...Kf7 40.Qd5 Be6–+) 0–1. bambinik – erwinu, internet, 2002.

7.Qe2 Kf7 8.Nc3 Bb4 9.a3 Ba5 10.0-0-0 Nh6?? (better is 10...Ne7+=) 11.Qh5+– (11.Qh5 Kf8 A) 12.Nd5? Bg4 13.Nf4 Bh5 14.Ne6 Ke7 15.Nd8 Rd8–+ (15...Bd8?! 16.Re1 Kd7 17.Bc4–/+; 15...Bd1?! 16.Nb7 c3 17.Ba1+=); B) 12.Qd5 Qd5 13.Nd5+–) 1–0. Woelfelschneider,Peter – Deuster,H, CiF, 1989.

7.Ne2 Bb4 8.c3 Bd6 9.Ng3 Ne7 10.Qh5 g6 11.Qh6 Nf5 12.Nf5 Bf5 (worse is 12...gf5 13.Kd1 (13.Be2 Qe7 14.Kd1 Be6 15.Re1 Kd7 16.Bc4 dc4 17.d5+/– ; 13.Qh5 Ke7 14.Be2+= Be6 15.0-0 Qe8 16.Qh6 Qg6 17.Qh3+=) 13...Qd7 14.Be2 Rg8 15.Bf3 Kd8 16.Qf6 Kc7 17.Ba3+–) 13.Qg7 Qe7 14.Qe7 Ke7 15.Be2 Re8 (15...a6 16.Bf3 Be6 17.Na3+=) 16.0-0 (16.Bf3 A) 16...Kd8 17.Kd1 Be4 18.Be4 Re4+= (worse is 18...de4 19.Nd2+/–); B) 16...Kd7 17.Kd1+=) 16...Kf7 (16...Kd7 17.Bf3 Be4 18.Be4 Re4 19.Ba3–/+) 17.Bf3+= Be4 18.Ba3 Bf4 19.Be4 Re4 20.g3 Bh6 21.Bc1 Bf8 22.Nd2 Re2 23.Rd1 Nd7 24.Nf1 Rae8 25.Ne3 Bh6 26.Kf1 Be3 27.Be3 Rc2 28.Rdc1 Rc1 29.Bc1 g5 30.f4 Kg6 31.Kf2 g4 32.Ba3 f5 33.Re1 Re1 34.Ke1 Nf6 35.Bb4 Ne4 36.Ke2 h5 37.a3 h4 38.gh4 Kh5 39.Kf1 Kh4 40.Kg2 g3 41.h3 Kh5 42.a4 Kg6 43.Kf1 (43.a5 a6 44.b6 Kf6=) 43...a6–/+ 44.Ba5 ½–½. Rosner,Dirk – Grott,Peter, DESC, 1999.

7.a4 Bb4

8.c3= Ba5 9.Qh5 g6 10.Qf3 =.

8.c3 Qe7 9.Qe2 Ba5 10.Nf3 Bg4 11.Qe7 Ne7 12.Be2 Ng6 13.g3 Nd7 14.Nbd2 0-0-0 15.Nf1 Rhe8 16.Ne3 Be6 17.Kd2 (17.0-0 Nb6+=) 17...Ne7 18.Ne1 Nf5 19.N1c2 Nf8 (19...Nd6 20.f3–/+) 20.Nf5 Bf5 21.Ne3 Bg6 22.Bg4 Kb8 23.Rhe1 Ne6 24.Bf3?? (better is 24.Be6 Re6 25.f3=) 24...Nd4–+ 25.Bd1 Ne6 26.Kc1 Nc5 27.Rf1 Bd3 (27...Nd3!? 28.Kb1 Nf2 29.Bc2 Bc2 30.Nc2–+) 28.Rg1 Ne4 29.Nc2 (29.Nf5 Re5 30.Nd4 Nc3–+) 29...Nf2 (29...Nc3!? 30.Nd4–+) 30.Nd4 Bb6 31.a5 Bd4 32.cd4 Be2 33.Ba4 Nd3 34.Kb1 Nb2 (34...Bh5!? 35.Bc3–+) 35.Kb2 Bd3 36.Rge1 Re1 37.Re1 Be4 38.Bc2 Re8 39.Be4 Re4 (worse is 39...de4 40.Kc3–+) 40.Re4 de4 41.Kc3 e3 42.Kc2 Kc7 43.Kd1 (43.Kc3 Kd6 44.Kc2 Kd5–+) 43...c3 0–1. Plock,Joerg – Witkowski,Rainer, Mecklenburg VP LL1, 1996.

8.Bc3 Qe7 9.Ne2 (9.Be2 A) 9...Bg4= A1) 10.h3 Be6 (10...Bf5 11.Nf3 a6 12.ba6 Na6 13.0-0 Qd6=; 10...Bh5 11.Bb4 Qb4 12.Qd2 Qd2 13.Nd2 Be2=) 11.Nf3 a6 12.ba6 Na6 13.0-0 Nh6=; A2) 10.Bb4 Qb4 11.Nd2 Bf5 12.Bh5 g6 13.Bf3 Ne7=; B) 9...Nh6 10.Nf3 Nf5 11.Bb4 Qb4 12.Qd2 Qd2 13.Nbd2 0-0=; C) 9...a6 10.ba6 Na6 (10...Ra6 11.Nf3 b5 12.0-0 ba4 13.Re1 Be6+=) 11.Nf3 Be6 12.0-0 Nh6 13.Bd2 Nf7=) 9...a5 (9...Bd6 A) 10.Nd2 a6 (10...Bg4 11.g3 Nd7 12.Bg2 Qf7 13.a5 0-0-0=) 11.g3 ab5 12.ab5 Ra1 13.Ba1 Be6=; B) 10.Bd2 Kf7 11.Nbc3 Qe6 12.g3 Ne7 13.Bg2 Qf5+=) 10.g3 Qe4 11.Rg1 Ne7 (11...Bf5 12.Bg2 Qe6 13.g4 Bg6=) 12.Bg2 Qe6 13.Qd2 Qd6 14.Kd1 0-0 15.Re1 Bg4 (15...Re8 16.Ra2+=) 16.Kc1 (16.h3 Bh5=) 16...Be6 17.h4 Re8 18.Qf4 Qd8 19.h5 Nd7 20.g4 Nb6 21.Bh3 Nec8 22.Bd2 Bd2 23.Nd2 Nd6 24.Nc3 Nf7 25.Nf3 Qd7 26.Re3 Nh6 27.Nh2 Bf7 28.Kd2 (28.Rg3 Kh8+=) 28...Re3+= 29.Qe3 Re8 30.Qg3 Qe7 31.f4 Kh8 32.Nf1 Ng8 33.Ne3 Qd6 34.Nf5 Qd8 35.g5 fg5 (worse is 35...Bh5 36.Ng7 Kg7 37.gf6 Kf6 38.Qg5 Kf7 39.Qh5 Kf8 40.Qh7+/–) 36.fg5 Bh5 37.Nd6 Re7 38.Rf1 Qa8 (38...Bg6!?=) 39.Bf5 Qa7 40.Qh4 g6 41.Bc8 h6 (better is 41...Qa8+/–) 42.Rf8 Nd7 43.Bd7 Re4 (43...Rd7 44.Qf4 b6 45.Nf7 Kh7 46.gh6 Qc7+–) 44.Qf2 (44.Qf2 Qd4 45.Qd4 Rd4 46.Ke3+–; 44.Nce4?! Qd4 45.Kc1 Qa1 46.Kd2 Qd4 47.Ke1 Qg1 48.Kd2 Qd4=) 1–0. Poschmann,Hans – Garay,Luis, IECC, 1998.

7.Nc3 Bb4

8.a3 Qe7 9.Nge2 (9.Be2 A) 9...Bc3 10.Bc3 Bd7= (10...a6 11.b6 Bg4 12.Kf1 Be2 13.Ne2=) 11.Bb4 Qe4 12.Nf3 Bb5 13.0-0=; B) 9...Ba5 10.Nf3 Qd7 11.a4 Ne7 12.0-0 0-0 13.Re1=) 9...Ba5+= 10.g3 (10.Qd2 a6 11.ba6 Ra6 12.Kd1 Qd7 13.Nf4+=) 10...Qe4 11.Rg1 Bg4 (11...Ne7 12.Bg2 Qf5 13.Nf4+=) 12.Qd2 (12.Bg2 Qe6= 13.f3=) 12...Bc3 (12...Qe6 13.Qe3+= (13.Bg2 Ne7 14.Kd1+=); 12...Qf5 13.Nf4=) 13.Bc3= Ne7 14.0-0-0 (14.Bb4 a6=) 14...Kf7 (14...Qf5 15.Bb4=) 15.Re1+= Re8? (better is 15...Qf5!?+=) 16.Nf4+– Qf5 17.h3 Bf3 18.Ne6 Rc8 (better is 18...Nd7 19.g4 Qg6+–) 19.g4 Qg6 20.Qe3 (20.Qf4!? Be4 21.Nc7 Nd7 22.Na8 Qg5 23.Qg5 fg5+–) 20...Qe4 21.Nc5 Qe3 (21...Rc5 22.dc5 a6+–) 22.Re3 (22.fe3?! b6 23.Rg3 Bh1+=) 22...Be4 23.Nb7 (23.Ne4?! de4 24.Re4 Nd5+/–) 23...Rc7 24.Nd6 Kg8 (24...Kf8 25.Ne4 de4 26.Bb4+–) 25.Ne4 (better is 25.Ba5!? Rd7 26.Ne4 de4 27.Bc4 Kf8 28.Re4 a6+–) 25...de4 26.Re4 Kf7 (26...Nd5 27.Ba5 Nb6 28.Re8 Kf7 29.Rh8+–) 27.Re7! (27.Re7 Ke7 28.Bg2+–) 1–0. Golyak,Isay Grigorievich – Sadurskis,Peteris K, USSR Cht, 1970.

8.Qe2. Kreuzer.

8.Be2 Qd7 9.Bh5 g6 10.Bf3 Qb5 11.Nge2 Ne7 12.0-0 Qd7 13.a3 Bd6 14.Re1 (14.Nd5? Nd5 15.Bd5 Qb5–+) 14...0-0 15.Nd5 Bh2 16.Kh2 Nd5 17.Nc3 Nc3 18.Bc3 Na6 19.Kg1 Rb8 20.Qe2 Rf7 (20...Qf7 21.Qe7 Nc7 22.Bb4+=) 21.a4 b6 22.Qc4 Bb7 23.d5 (23.Bb7 Qb7 24.Re3 Rc8+=) 23...Qc8 (23...Rc8!? 24.Qd4 Rc5=) 24.Qd3 Qf5 (24...Nc5!? 25.Qd2 Qf5+=) 25.Qf5+– gf5 26.Bh5 (26.Red1 Rc8 27.Be1 Rd7+/–) 26...Rd7 27.Bf6 Bd5 28.Rad1 Nc5 29.Be8 Re8 30.Re8 Kf7 31.Re7! Re7 32.Be7 Ke7 33.Rd5 Ke6 34.Rd4 Ke5 35.Rb4 Kd5 36.Kf1 1–0. Taulien,Hans_Juergen (2350) – Henrich,Guenter (2315), remoteschach.de, 2002.

8.Nge2 Ne7+= 9.g3 (9.a3 Ba5+=) 9...Bg4 (9...Qb6 10.Bg2 Qb5 11.a3–/+) 10.a4 (10.Bg2!?+=) 10...Bf3–/+ 11.Rg1 0-0 (11...Qa5 12.Qd2–/+) 12.Bg2 Bg2 13.Rg2 Qd6 (13...Re8 14.Kf1–/+) 14.Kf1 Nd7 (14...f5 15.Na2 Ba5 16.Bc3 Bc3 17.Nac3+=) 15.Kg1 (15.a5 b6–/+) 15...Ng6 (15...Rfe8 16.a5+=) 16.Nb1 (16.Na2 Ba5+=) 16...Rfe8–/+ 17.Ba3 (17.a5 Qe6 18.Nbc3 a6–/+) 17...a5 (17...Ba3 18.Ra3 a6 19.Re3–/+) 18.c3 (18.f4 Qe6–/+) 18...Ba3 Black terminates the opponent with strong threats 19.Na3 Qe6 20.Kf1 Re7 21.Nb1 (21.Qc2 Rae8 22.Re1 Qg4–/+) 21...Rae8–+ 22.f4 f5 (22...Qg4 23.Rf2–+) 23.Nd2 Nf6 24.Ra2?? (better is 24.h3–/+) 24...Ng4–+ 25.Qc1 (25.Nc4 dc4 26.Qc1 Ne3 27.Kg1 Ng2 28.Kg2 Qe4 29.Kf2 Qd3–+) 25...Ne3 (25...Ne3 26.Kf2 Ng2–+) 0–1. Etzel,S – Bannasch,T, 12.DJOFM, 1989.

8.a3 Ba5

9.a4 Ne7 10.Be2 Qd6 11.Bh5 (11.Nf3 Qb4 12.Qc1 0-0=) 11...g6+= 12.Bf3 Bf5 (12...Qb4 13.Qc1+=) 13.Nge2= Nd7 (13...Bb4 14.0-0=) 14.0-0 (14.Ba3 Qe6 15.0-0 Be4 16.Be4 de4+=) 14...Bc7+/– Threatening mate: Qxh2 15.Ng3 Be6? (better is 15...Nb6!?+=) 16.Ba3+– (16.Ba3 Qb6 17.Be7 Ke7 18.Nd5 Bd5 19.Bd5 Bg3 20.fg3+–) 1–0. Landgraf,Manfred – Gedigk,Detlef, corr SOK–90–53, 1990.

9.Qe2 Ne7=.

9.Be2 Qb6 10.Qd2 (10.a4 a6 11.Qd2 ab5 12.ab5 Bc3 13.Qc3+=) 10...Ne7 11.Nf3 0-0 12.a4 Re8 13.0-0+=.

9.Be2 Qd7 10.Qd2 (10.a4 a6 11.ba6 Ra6 12.Nf3 Rb6 13.Qc1+=) 10...Bc3 11.Qc3 Qb5 12.Nf3 Ne7 13.Rb1+=.

9.Be2 Qe7=.

9.Nf3 A) 9...Qb6 10.Qd2 (10.a4 a6 11.Qd2 ab5 12.ab5 Bc3 13.Qc3+=) 10...Ne7 11.Be2 0-0 12.a4 Re8 13.0-0+=; B) 9...Qd7 10.a4 (10.Qd2 Ne7 11.Be2 Bc3 12.Bc3 Qb5 13.0-0+=) 10...a6 11.Nd2 Ne7 12.Be2 0-0 13.0-0+=.

9.g3 Ne7+= 10.Bg2 (10.Qh5 g6 11.Qf3 0-0+=) 10...0-0–/+ 11.Nge2 Bg4 12.0-0 a6 13.Rb1 (13.f3 Bd7+=) 13...ab5 14.Nb5 Nbc6 15.f3 (15.h3 Bf5+=) 15...Bf5 16.Bc3 Bb6 (16...Bc3 17.Nec3 Re8 18.Re1+=) 17.Re1 Ng6 18.Nd6 Qd6 19.Rb6 Qa3 20.Rb7 Rab8 (20...Rfb8 21.Rb8 Rb8 22.Bd2=) 21.Rb8 Rb8 22.g4 Bd7 23.Qd2 (23.f4 Qd6 24.f5 Nh4=) 23...Qd6+= 24.g5 Rf8 25.gf6 (25.f4 Bg4 26.Qe3 Be2 27.Qe2 Nf4–+) 25...Qf6 26.f4 Qf7 (26...Qd6 27.Rf1–/+) 27.Rb1 (better is 27.Qe3+=) 27...Nb4?? (27...Nh4!? 28.Bh1 Bg4–/+) 28.Bh1?? (better is 28.Bb4!? Re8+–) 28...Bg4?? (28...Na2 29.Rb7 Qe6–/+) 29.Rf1?? (better is 29.Bb4 Re8 30.Re1+–) 29...Rb8 (29...Nc6 30.Bf3 Bf3 31.Rf3–/+) 30.Ng3 (better is 30.f5 Be2 31.Qe2+=) 30...Bh3 (30...Nc6 31.f5 Nge7 32.Bg2 Bf5 33.Qg5–/+) 31.Re1?? (31.f5 Bf1 32.Bb4+=) 31...Nc6 32.Ne2 Re8 (32...Bg4 33.Rf1–/+) 33.Bb2 (33.Bf3!?+=) 33...Bg4–/+ 34.Bg2 h6 35.f5 Nh4 36.Ng3 Re1 37.Qe1 Ng2 38.Kg2 Bf5 (38...Ne7 39.Qe5–/+) 39.Nf5 Qf5 40.Qe8 Kh7 41.Qc6 Qc2 42.Kg3 (42.Kf3 Qb2 43.Qd5 Qc3 44.Kg4 Qd3–+) 42...Qb2 43.Qd5 Qc3 44.Kg4 Qd3 45.Qc5 (45.Qb5 Qd4 46.Kf3 Qd3 47.Kf2–+) 45...c3 46.d5 c2 47.d6 Qd1 48.Kg3 (48.Kf4 c1Q 49.Qc1 Qc1 50.Ke5 Kg8–+) 48...Qe1 0–1. Trigance,Eric – Erlandsson,Harry, corr 3GMM–14, 1996.

9.Qh5 g6 10.Qf3 a6 11.Nge2 ab5 12.Kd1 Ne7 13.Qf6=.

8.Qh5 g6

9.Qe2 Ne7=+.

9.Qf3 a6

10.a3 Ba5=+.

10.Nge2 ab5 11.a3 Ba5 12.Kd1 Ne7 13.Qf6 Rf8 14.Qh4 Nd7 (14...Qd7!?+= 15.Bc1=) 15.Nb5= Nf6 16.f3 Kf7 17.Bc1 Nf5 18.Qf2 Kg8 19.Rb1 Bd7 20.Bf4 Bb5 21.Rb5 Bc7 22.Bg5 (better is 22.Bc1!?=) 22...Ra3+= 23.Rb1 Qa8 24.g4 Ng7 25.Qg2 Qa4 26.Bd2 Ba5 27.Ba5 Qa5 28.h3 (28.h4 Rf3 29.Qf3 Ne4–+) 28...Ne6 (28...Rf3 29.Qf3 Ne4 30.Qe3–+) 29.g5–/+ (29.g5 Nd4! 30.gf6 Nc2 31.Kc2 Ra2 32.Rb2 Qa4 33.Kd2 Qb4 34.Ke3 Qb2 35.Kf2 Qf6 36.h4–+) 0–1. Van Rooijen,Peter (1700) – Pechova,Hana (2095), internet, 2002.

10.Nge2 ab5 11.Kd1 Be6 12.Nf4 Kf7 13.Ncd5 Bd5 14.Nd5 Ba5 15.a4 +/–.

10.Nge2 ab5 11.Kd1 Ne7 12.Qf6 Rf8 13.Qe5 Ra5 14.Qe3 Kf7 15.Nf4 =.

10.Nge2 ab5 11.g3 Bf5 12.Bg2 Ne7 13.0-0 Bc3 14.Nc3 b4 15.Nd5 Qd5 16.Qd5 Nd5 17.Bd5 c3 18.Bc1 Bc2 19.Bh6 Kd7 20.Bg7 Re8 21.Bf6 Nc6 22.Rfe1 Kd6 23.Bf7 Re4 Attacks the isolani on d4 24.f3 Rd4 25.Re6 Kc5 26.Bd4 Nd4 (26...Kd4?! 27.Rc1 Bf5 28.Rd6 Kc5 29.Rd5 Kb6 30.g4=) 27.Re3 Bb3 28.Bb3 (28.a3 Kb6 29.Bb3 Nb3 30.Re6 Kb5 31.Re5 Ka4 32.Ra2 ba3 33.Re4 Kb5 34.Re7–+) 28...Nb3 29.Rae1 Nd4 30.a3 (30.g4 Ra2 31.f4 Kc4–+) 30...Ra3 31.Kg2 c2 (31...c2 32.Re7 b3 33.Rb7 Ra2–+) 0–1. Pcmvr – ETC_Chess, playchess.de, 2005.

10.Nge2 Qd6 A) 11.Bc1 ab5 12.Bf4 Qc6 13.a3 Ne7 14.Rb1 Ba5 15.Kd1=; B) 11.Nf4 Ne7 12.a3 (12.Be2 ab5 13.0-0 Bc3 14.Bc3 Ra3 15.Rfe1–+) 12...Ba5 13.Kd1 h5 14.h3 Be6 15.Ne6=; C) 11.a3 Ba5 12.Kd1 (12.Bc1 Ne7 13.Kd1 0-0 14.Rb1 Re8 15.g3=) 12...Ne7 13.Nf4 h5 14.h3 Be6 15.Ne6=; D) 11.ba6 Na6 12.Bc1 (12.a3 Ba5 13.Bc1 Ne7 14.Bh6 Nf5 15.Bd2+=) 12...Ne7 13.a3 Ba5 14.Bh6 Bf5 15.Kd1=; E) 11.Kd1 Ne7 12.a3 Ba5 13.Nf4 h5 14.h3 Be6 15.Rb1=.

10.g3 ab5 A) 11.Nge2 Nc6 12.Bg2 (12.Kd1 Bc3 13.Nc3 b4 14.Nd5 c3 15.Bc1–/+) 12...Bf5 13.0-0 Nge7 14.Nb5 Ra5 15.a3+=; B) 11.a3 Bc3 12.Qc3 Ne7 13.Bg2 Nbc6 14.Nf3 Bf5 15.Rb1–/+; C) 11.Bg2 C1) 11...Qe7 12.Nge2 (12.Kf1 Bc3 13.Bc3 Be6 14.Bh3 f5 15.Kg2–/+) 12...Bc3 13.Bc3 b4 14.Bd2 Ra5 15.c3+=; C2) 11...Bc3 12.Bc3 Qe7 13.Ne2 b4 14.Bd2 Ra5 15.c3+=; C3) 11...Nc6 12.Nge2 Bf5 13.0-0 Nge7 14.Nb5 Ra5 15.a3+=.

10.g3 Bc3 11.Bc3 (11.Qc3 ab5 12.a3 (12.Bg2 Qe7 13.Ne2 b4 14.Qf3 c3 15.Bc1–/+; 12.Ne2 Nc6 13.a3 Nge7 14.Bg2 Bg4 15.f3–/+) 12...Ne7 13.Bg2 Nbc6 14.Ne2 Bg4 15.f3–/+) 11...ab5 12.Bg2 Ra3 (12...Qe7 13.Ne2 b4 14.Bd2 Ra5 15.c3+=) 13.Qe2 Kf7 14.Qd2 Nc6 15.Ne2 Nge7 16.0-0 Bg4 17.Bb2 Ra8 18.f3 Bf5 19.g4 Bd7 20.a3 (20.Bc3 Re8+=) 20...h5 21.h3 Qc7 22.Qf4 (22.Rae1!?+=) 22...Qf4–/+ 23.Nf4 h4 24.c3 Rhe8 ½–½. Gretencord,Ulrich – Grott,Peter, DESC, 2001.

10.g3 Be6 A) 11.Nge2 ab5 12.Bg2 Nc6 13.0-0 Bc3 14.Qc3 Nge7 15.Ba3+=; B) 11.Bh3 B1) 11...Qd6 12.Be6 (12.Qe2 Kf7 13.Be6 Qe6 14.Qe6 Ke6 15.Nge2+=; 12.Qe3 Kf7 13.Be6 Qe6 14.Qe6 Ke6 15.Nge2+=; 12.Kd1 Bc3 13.Bc3 ab5 14.Rb1 Ra2 15.Be6+=) 12...Qe6 13.Kf1 Bc3 14.Qc3 Kf7 15.ba6=; B2) 11...Qd7 12.Be6 Qe6 13.Kf1 Bc3 14.Bc3 Qd7 15.Re1=; B3) 11...Qb6 12.Be6 Qe6 13.Kf1 Bc3 14.Qc3 Kf7 15.ba6=; B4) 11...Qc8 12.Be6 Qe6 13.Kf1 Bc3 14.Bc3 Qd7 15.b6=; B5) 11...f5 12.Nge2 Nf6 13.a3 Bc3 14.Bc3 ab5 15.0-0=; C) 11.Bg2 ab5 12.Nge2 Nc6 13.0-0 Bc3 14.Nc3 b4 15.Nb5=; D) 11.ba6 Na6 (11...Ra6 12.Bg2 Nc6 13.Nge2 Qb6 14.0-0 Nd4 15.Nd4+=) 12.a3 (12.Bg2 Qb6 13.Nge2 Bd6 14.Rb1 Nb4 15.0-0=; 12.Nge2 Bd6 13.a3 Nc7 14.Bg2 Qd7 15.0-0=; 12.Rb1 Nc7 13.a3 Ba3 14.Ba3 Ra3 15.Rb7+=) 12...Bd6 13.Bg2 Nc7 14.Nge2 Qe7 15.0-0=.

10.g3 Bf5 11.a3 A) 11...Be4 A1) 12.Qe3 Qe7 (12...Bc3 13.Bc3 Ne7 14.Nf3 Nf5 15.Qe2 0-0 16.Bh3 ab5) 13.ab4 Bh1 14.Nge2 Qe3 15.fe3 f5 16.Nf4 Nf6; A2) 12.Qe2 Qe7 13.f3 Bc3 14.Bc3 Bc2 15.Nh3 ab5 16.Nf4 Qe2; B) 11...Bc3 B1) 12.Bc3 Ne7 (12...ab5 13.Qe2 Qe7 14.Bg2 Nc6 15.Bd5 Rd8 16.Bc6 bc6) 13.Qd1 0-0 14.Bg2 ab5 15.Nf3 Nbc6 16.0-0 Qd6; B2) 12.Qc3 ab5 (12...Ne7 13.Be2 ab5 14.g4 Be6 15.Nh3 0-0 16.Nf4 Qd7) 13.Bg2 Ne7 14.Ne2 Nbc6 15.0-0 0-0 16.Rfe1 Qd6; C) 11...Ba5 12.Bh3 (12.Bg2 Ne7 13.Qe2 Qd7 14.Kf1 Kf7 15.Qf3 Bg4 16.Qf4 ab5) 12...Be4 (12...Ne7 13.Bf5 Bc3 14.Bc3 Nf5 15.Ne2 0-0 16.0-0 ab5) 13.Qe2 Qe7 14.f3 Bc2 15.Kf2 Qe2 16.Nge2 Ne7; D) 11...Qe7 12.Qe2 (12.Kd1 Bc3 13.Qc3 ab5 14.Bg2 Nc6 15.Nf3 Qd6 16.Re1 Nge7) 12...Be4 (12...Bc3 13.Bc3 ab5 14.Bg2 Nc6 15.Bd5 Rd8 16.Bc6 bc6) 13.f3 Bc3 14.Bc3 Bc2 15.Kd2 Bf5 16.g4 Bd7.

10.g3 Bf5 11.ba6 A) 11...Qe7 A1) 12.Qe3 Ra6 (12...Na6 13.Bg2 Nc7 14.Nge2 Bc2 15.a3 Qe3 16.fe3 Bc3) 13.Qe7 Ne7 14.Kd1 Nbc6 15.Nb5 0-0 16.Nf3 Ba5; A2) 12.Be2 Be4 13.ab7 Ra3 14.Qf4 Qb7 15.Qe3 Bc3 16.Bc3 Rc3; B) 11...Na6 12.0-0-0 Ne7 13.Nge2 0-0 14.a3 Bc3 15.Nc3 Nc7 16.g4 Be6; C) 11...Ra6 C1) 12.Bg2 Re6 (12...Ne7 13.Kf1 Ba3 14.Bc1 Bc1 15.Rc1 Nbc6 16.Nge2 Nb4) 13.Kf1 Bc2 14.Bh3 f5 15.Nge2 Be4 16.Ne4 de4; C2) 12.Bh3 Be4 13.Qe3 Qe7 14.f3 Bc2 15.Kf2 Qe3 16.Ke3 Ne7; C3) 12.a3 Qe7 (12...Bc3 13.Qc3 Ne7 14.Ne2 0-0 15.Bg2 Re6 16.Qd2 Rb6) 13.Kd1 Bc3 14.Qc3 Nc6 15.Bg2 Qd6 16.Bc1 Nge7.

10.g3 Bf5 11.Kd1 A) 11...Ne7 A1) 12.a4 ab5 (12...0-0 13.Nge2 Qd7 14.h3 Kg7 15.Bg2 ab5 16.Nd5 Nd5) 13.ab5 Ra1 14.Ba1 Qa5 15.Bb2 Bc3 16.Qc3 Qb5; A2) 12.Bh3 Bc3 13.Qc3 ab5 14.g4 Bd7 15.Ne2 Nbc6 16.Qf3 f5; A3) 12.Nge2 Qd7 13.Rg1 0-0 14.g4 Be6 15.a4 ab5 16.ab5 Ra1; B) 11...Bc3 12.Bc3 ab5 (12...Ne7 13.Qf4 0-0 14.g4 Bd7 15.ba6 Na6 16.Be2 Nc7) 13.g4 Be4 14.Qe3 Qe7 15.f3 Bc2 16.Kd2 Qe3.

10.g3 Bf5 11.Bg2!? A) 11...Ne7 A1) 12.Qd1 ab5 (12...0-0 13.Nge2 ab5 14.0-0 Bc3 15.Bc3 Nbc6 16.a3 Qd6) 13.Nge2 Bc3 14.Nc3 b4 15.Ne2 0-0 16.0-0 Nbc6; A2) 12.Qe3 0-0 (12...ab5 13.a3 Bc3 14.Qc3 Nbc6 15.Nf3 Kf7 16.Qd2 Qa5) 13.Nge2 Bc2 14.0-0 ab5 15.Nf4 Bc3 16.Bc3 Qd7; A3) 12.Qe2 ab5 (12...Qa5 13.Qe3 0-0 14.Nge2 Nd7 15.0-0 Nb6 16.ba6 Qa6) 13.a3 Bc3 14.Bc3 Qd6 15.Bb2 Nbc6 16.Nf3 b4; B) 11...Be4 B1) 12.Qe2 Qe7 (12...Qa5 13.Qe3 Ne7 14.Be4 de4 15.Nge2 f5 16.0-0 ab5) 13.Be4 Qe4 14.Qe4 de4 15.f3 e3 16.Ke2 Ne7; B2) 12.Qe3+= Qe7 (12...Bc3 13.Bc3 Qe7 14.Be4 Qe4 15.Qe4 de4 16.ba6 Na6) 13.Be4 Bc3 14.Bc3 Qe4 15.Qe4 de4 16.ba6 Na6.

10.g3 Bf5 11.Bh3 Be4 (11...Ne7 12.Bf5 Bc3 (12...Nf5 13.Nge2 0-0 14.0-0 Bc3 15.Bc3 ab5 16.Nf4 Nc6) 13.Bc3 Nf5 14.g4 Nh4 15.Qg3 g5 16.ba6 Ra6; 11...Nh6 12.Bf5 (12.0-0-0 Bc3 13.Bc3 0-0 14.Bf5 Nf5 15.g4 Ne7 16.Bb4 ab5; 12.Kf1 Bc3 13.Qc3 0-0 14.a4 ab5 15.ab5 Ra1 16.Ba1 Re8) 12...Bc3 (12...Nf5 13.Nge2 0-0 14.0-0 Bc3 15.Nc3 ab5 16.Qd5 Qd5) 13.Bc3 Nf5 14.Nh3 ab5 15.Nf4 b4 16.Bb4 Nc6; 11...Bc3 12.Qc3 Ne7 (12...Nh6 13.Qe3 Qe7 14.Bg2 ab5 15.Bd5 Nc6 16.c3 Qe3) 13.g4 Bd7 14.Qa3 Bb5 15.Ne2 Nbc6 16.Qc3 Ba4) 12.Qe2 ab5?? (12...Qe7!? 13.f3 Bc2–/+ 14.Kf2 Qe2 15.Nge2 Ne7 16.a3 Bd6; 12...Qa5 13.Qe3 Ne7 14.a3 Bc3 15.Bc3 Qb5 16.Nf3 0-0) 13.Kf1 (better is 13.f3!? Qa5 14.Qe3+=) 13...Bc3+= 14.Bc3 Ne7 15.f3 Bf5 16.Bf5 gf5 17.Nh3 Nbc6 18.Rb1 b4 (18...Ra2 19.Rb5 Qd7 20.Kg2+=) 19.Bb4 Nd4 20.Be7 Qe7 21.Qd2 Nf3 22.Qd5 Qe4 23.Qb5 Kf8 24.Qb4 Kg7 (24...Kg8 25.Nf2 Qd5 26.Rd1=) 25.Nf2= Qc6 (25...Qc2? 26.Rb2 (26.Qb7 Kh6 27.Rb6 Qc3–/+) 26...Qc1 27.Kg2 Nh4 28.gh4+–) 26.Qe7 Kg6 27.Rb7 Nd2 28.Kg1 Nf3 29.Kf1 Nd2 30.Kg1 ½–½. Volke,Karsten – Kupreichik,Viktor, Minsk, 1994.

7.Nc3 Be6

8.Qe2 Kf7 9.Nh3 Bd6 10.Qh5 g6 11.Qf3 Bh3 12.Qh3 =.

8.Qe2 Kf7 9.Nh3 g5 10.Qh5 Kg7 11.f4 Bf7 12.Qf3 Nh6 =.

8.Be2 a6 9.Bg4 Bg4 10.Qg4 ab5 11.Qh5 g6 12.Qd5 b4 =.

8.Nf3 Qa5 9.a3 a6 10.ba6 Ra6 11.Be2 Be7 12.0-0 Nh6 =.

8.Nf3 Bd6 9.Be2 Ne7 10.0-0 0-0 11.a4 Nd7 12.Qd2 Re8 13.Rae1 Bf7 14.Bd1 a6 15.g3 Bb4 16.Qf4 ab5 17.ab5 Nb6 18.Re3 Ng6 19.Qg4 Re3 20.fe3 Qe7 21.e4 Bc3 22.Bc3 Qe4 23.Qe4 de4 24.Nd2 Bd5 25.Bh5 Ne7 26.Bb4 Ng6 27.Bc5 Nd7 28.Rf5 Be6 29.Rf1 e3 30.Ne4 Ra2 31.Rc1 b6 32.Bd6 Bf5 33.Bf3 Ngf8 34.Bf4 Ne6 35.Be3 Kf7 36.g4 Be4 37.Be4 Nc7 38.d5 Nb5 39.Bd2 c3 40.Be3 Nc5 41.Bd3 Nd6 0–1. lllllll21 – pionekh7 (1895), internet, 2014.

8.g3 Bb4 9.a3 Ba5 10.Bg2 Ne7 (10...Qd7 11.Qh5 Kd8 12.a4=+) 11.Nge2= 0-0 (11...Ng6 12.0-0=) 12.0-0 (12.Nf4 Qd7 13.Ne6 Qe6 14.Qe2=) 12...Nd7 (better 12...Qd7!?=) 13.Nf4+/- Bc3? (better 13...Bf7 14.Ncd5 Nd5 15.Nd5 Nb6 16.Nb6 Qb6+/-) 14.Ne6+- (14.Bc3?! Bf7+=) 14...Bb2 (14...Qa5 15.Bc3 Qc3 16.Re1+-) 15.Nd8 (15.Nf8? Nf8 16.Ra2 c3-+) 15...Ba1 (15...Rad8 16.Ra2 c3+-) 16.Ne6 (16.Ne6 Bb2 17.Nf8 Kf8 18.Qh5+-; 16.Qa1?! Rfd8 17.Re1 Re8+-) 1-0. Mely (2305) - blackcrowman (2020), ChessWorld.net, 2016.

8.g3 Bd6 9.Bg2 Ne7 10.Nge2 0-0 11.0-0 Nd7 12.f4 Nb6 13.a4 a5 14.Ba3 Ba3 15.Ra3 Nf5 16.Qd2 Qd6 17.Raa1 Rfe8 18.Rfe1 Bf7 19.Kh1 Ne3 20.Ng1 Ng2 21.Kg2 Re1 22.Qe1 Qb4 23.Nf3 Re8 24.Qd2 g6 25.Re1? (25.Kf2!?+=) 25...Re1–/+ 26.Qe1 Na4 27.Na4 Qa4 28.c3 (28.Qb1 b6–+) 28...Qb5 29.h4 (29.Qc1 a4–+) 29...Qd7 30.h5 gh5 31.Nh4 b5 32.Qa1 b4 33.cb4 (33.Qa5 b3 34.Kf2–+) 33...ab4 34.Qa8 (34.Kf2 Bg6–+) 34...Qe8 35.Qb7 b3 36.Nf5 (36.Kf1 Qe4 37.Qb8 Kg7 38.Qc8–+) 36...Qe4 37.Kh2 Qf5 0–1. bluepiramid2 – steffanovo (1785), internet, 2013.

8.Nh3 Bb4 9.Qe2 =+. Wolf – Bartuzat, corr 1974.

8.Nh3 Bb4 9.Qf3 Ne7 10.Be2 Qb6 11.Nf4 Bf7 12.0-0 Bc3 (12...Qd4 13.Rad1 Qc5 14.Ncd5 Nd5 15.Nd5 Bd5 16.Rd5+– (16.Qd5?! Qd5 17.Rd5 c3+/–)) 13.Bc3 Qb5 14.Rfb1 Qd7 15.Rb2 Nbc6 16.Rab1 b6 17.Rd1 0-0 18.Be1 Nf5 19.c3 g5 20.Nh5 Bg6 21.Ng3 Nce7 22.Nf5 Nf5 23.g3 (23.Bd2 Rae8 24.Re1 Re4–/+) 23...Rae8 24.Qg2 Qe6 25.h3 Nd6 26.Bf3 Be4 27.Be4 Qe4 28.f3 Qg6 29.g4 (29.Bd2!? Qd3–+) 29...f5 30.Bg3 f4 31.Bf2 Rf7 32.Rdd2 Re6 33.Qf1 h5 34.Re2 Rfe7 35.Re6 Re6 36.Kg2 Qd3 37.Qd3 (37.gh5 Qc3 38.Re2 Re4–+) 37...cd3 38.Rd2 Nc4 39.Rd3 Re2 40.Kf1 Ra2 41.gh5 Kg7 42.h4 Kh8?? (42...Kh8 43.hg5 Rc2=; better is 42...Kh6–+) 0–1. Soja,Rudolf – Vedrunes,Jean, corr ICCF–Cup, 1994.

8.Nh3 Bd6

9.Qe2 Kd7 10.0-0-0 Ne7 11.Re1 Qg8 12.Qf3 Kc8 13.Nf4 Bf7 14.Re7 +=.

9.Qe2 Qe7!?= 10.0-0-0 Kd8 11.Re1 Bg4 12.Qd2 Qd7 13.Nd5 Qb5 14.Ne3 +=.

9.Qf3 a6 10.Qe3 Qe7 11.Be2 Nh6 12.Qf3 Qd7 13.b6 Nc6 =+.

9.Qf3 Ne7+= 10.Nf4 (10.Be2 0-0 11.Nf4 Bf4 12.Qf4 a6 13.0-0 ab5=; 10.Qe3 Bf7 11.Nf4 Qa5 12.Be2 0-0 13.0-0 Re8=) 10...Bf7 (10...Bf4 11.Qf4 a6 12.Be2+= ab5 13.Nb5 Qa5+=) 11.Be2= (11.Ncd5? Nd5 12.Qe4 Qe7 13.Qe7 Ne7–+) 11...0-0 (11...Qb6 A) 12.Ncd5? Qb5 13.Ba3 Qa5 (13...Bd5?! 14.Nd5 Qa5 15.Kf1 Qa3 16.Nc7 Kd7 17.Qa3 Ba3 18.Na8+=) 14.Kf1 A1) 14...Bd5?! 15.Nd5 Qa3 16.Nc7 Kd7 17.Qa3 Ba3 18.Na8+=; A2) worse is 14...Nd5 15.Bd6 Kd8 16.Qg3+= (16.Bc4 Nf4 17.d5 Nd5+=); A3) 14...Ba3 15.Ne7 Ke7–+ (worse is 15...Be7 16.Qb7 Bd6 17.Qa8+/–); B) 12.Nfd5 Nd5 13.Nd5 Qb5 14.Nf6 gf6 15.Qf6 Bb4 (15...Qb2 16.Qh8 Bf8 17.0-0+/–) 16.c3 Rg8 17.cb4 Qb4 18.Kf1 Nd7+=; C) 12.Rd1= a6 13.a4 ab5=) 12.0-0 (12.Nfd5 Nd5 13.Nd5 Re8+=) 12...Bb4 (12...a6 13.Rfe1 Re8=) 13.a3 Ba5 14.a4 Bb4 15.Nd1 Qc7 (15...Ng6 16.Bc1=) 16.Ne3+= Rd8 17.g3 (17.Ba3 Ba3 18.Ra3 a6 19.ba6 Ra6=) 17...c3 (17...a6 18.c3 Ba5 19.Ba3 ab5 20.Be7 Qe7 21.ab5+– (21.Nfd5?! Rd5 22.Nd5 Qd7+/–)) 18.Ba3+= Qd6 19.Bb4 Qb4 20.Rfd1 a6 21.Qg4 Qd6 22.Bd3 Nd7 23.Rdb1 Rac8 24.Rb3 Ne5 (24...a5 25.Ne2+/–) 25.de5 fe5 26.Nfd5 (better is 26.ba6!? ba6 27.Nh5+/–) 26...Nd5= 27.Nf5 Qf6 28.Rbb1 (28.ba6!? ba6 29.Ba6=) 28...a5 29.Rd1 (29.Re1 Nb4 30.Be4 Be6+=) 29...Nb4 30.Be4 Be6 31.Qf3 b6 32.g4 g6 33.Ne3 Qf3 34.Bf3 Rd2 (34...Rd4 35.Ra3+=) 35.Be4 (35.Rd2!? cd2 36.Rd1+=) 35...Rcd8 36.h3 (36.Rd2 cd2 (worse is 36...Rd2 37.Kg2=) 37.Rd1 Na2+=) 36...Kg7 (36...R8d4 37.Bf3 Na2 38.Nf1 Rc2 39.Re1–+) 37.Kg2 (37.Rd2 cd2 38.Rd1 Rd4–/+) 37...R8d4 38.Kf3 Na2 0–1. Sternik,Ryszard – Seczek,Krzysztof, corr Poland, 1987.

7.g3 Qa5

8.Nc3 Bb4 9.Qd2 Bc3 10.Bc3 Qb5 11.Bg2 Ne7 12.Ne2 0-0 13.0-0–/+ A) 13...Bf5 14.Rfe1 (14.Nf4 Qd7 15.Rfe1 Nbc6 16.Rab1 Rae8 17.Rb5+=) 14...Qd7 15.Nf4 Nbc6 16.Rab1 Rae8 17.Rb5+=; B) 13...Bg4 14.Rfe1 (14.Nf4 Qd7 15.h3 Bf5 16.Rfe1 Nbc6 17.g4+=; 14.Bb4 Nbc6 15.Bc5 b6 16.Rab1 Qa6 17.Be7+=) 14...Qd7 15.Nf4 Nbc6 16.Rab1 g5 17.Ne2+=.

8.Nc3 Bb4 9.Qd2 Bc3 10.Bc3 Qb5 11.Bg2 Ne7 12.Ne2 Be6 13.0-0 (13.Nf4 Bg4 (13...Qd7 14.0-0 Bf5 15.Rfe1 Kf7 16.Re7 Ke7 17.Bd5=; 13...Bf5 14.0-0 Be4 15.Ne6 Qc6 16.Ng7 Kf7 17.Rae1+=) 14.0-0 g5 15.Ne2 Nbc6 16.Rfb1 Qa6 17.Rb2+=) 13...0-0 (13...Bf5 14.Nf4 (14.Rfe1 Qd7 15.Nf4 Kf7 16.Re7 Ke7 17.Bd5=) 14...Be4 15.Ne6 Qc6 16.Ng7 Kf7 17.Rae1+=; 13...Ng6 14.Rab1 Qd7 15.Bb4 Nc6 16.Rfe1 Kf7 17.Nc3+=; 13...Qd7 14.Rae1 (14.Rfe1 Nbc6 15.Nf4 Bf7 16.Bh3 f5 17.Bg2+=; 14.Nf4 Bf7 15.Rfe1 Nbc6 16.Rab1 0-0 17.Bh3+=) 14...Nbc6 15.Nf4 Bf7 16.Bh3 f5 17.Re3+=; 13...Bg4 14.Nf4 g5 15.Ne2 Nbc6 16.Rfb1 Qa6 17.Rb2+=) 14.Nf4 Bf7 15.Rfe1 (15.Rae1 Nbc6 16.Re2 Qa4 17.Rb1+=) 15...Re8 (15...Nbc6 16.a4 Qb6 17.Re2+=) 16.Re3 (16.Re2 Qd7 17.Rae1+=) 16...Nbc6 (16...Qd7 17.Bh3+=) 17.g4 (17.Rae1 a6+=) 17...a5 (17...Qa4 18.a3–/+) 18.Rae1 Rad8 19.Ba5 Ra8 (19...Na5 20.Re7 Re7 21.Re7–/+) 20.Bc7= g5 (20...Ra2!? 21.Bd6 Kf8=) 21.Nh5 Bh5 22.gh5 Kf7 23.Qe2 b6 24.Qg4 Nd8? (24...Kf8+/–) 25.Rf3?? (25.Bb6 Nb7 26.Qe6 Kg7 27.h6 Kg6 28.Rf3+–) 25...Ng8+= (25...Ra2 26.Rf6 Kf6 27.Bd8 Qc6 28.Be7 Kg7 29.Qg5 Qg6 30.h6 Kh8 31.Bf6 Kg8 32.Re8 Kf7 33.Re7 Kg8 34.Qg6 hg6 35.h7 Kf8 36.h8Q) 26.Re8 Qe8? (26...Ke8 27.h4 Qd7 28.Qd7 Kd7 29.Bd8 Kd8 30.hg5+–) 27.Qg5?? (better is 27.Re3 Qb5 28.Qf5+–) 27...Qe1+= 28.Bf1 Qe4 29.Qe3 (better is 29.Qg3 Nc6 30.c3 Ra2 31.Re3+=) 29...Qg4 (better is 29...Ne6 30.Bb6 Qe3 31.Re3 Ra2=) 30.Rg3+/– Qd7 (30...Qe6 31.Bg2 Qe3 32.Re3 Ne7+=) 31.h6+– Kf8?? (31...Ne7 32.Bd8 Rd8 33.Rg7 Kf8 34.Rh7 Qg4 35.Qg3 Qg3 36.hg3+–) 32.Rg7 (better is 32.Bh3 f5 33.Bf5+–) 32...Nf7 (32...Ne7 33.Bd8 Rd8+–) 33.Bb6 Re8 (33...Ngh6 34.Qh6! Nh6 35.Rd7 Ra2+–) 34.Bc5 Ne7 35.Bh3 f5 36.Qg3 (36.Qg3 Nh6 37.Qe5+–) 1–0. Roczniak,Jan – Grucharski,E, corr Poland, 1983. (Warning: Roczniak,Jan – Piegeler,Wilhelm, false game!).

8.Nc3 Bb4 9.Qd2 Bc3 10.Bc3 Qb5 11.Bg2 Ne7 12.Ne2 Bf5 A) 13.Nf4 0-0 (13...Qd7 14.0-0 Nbc6 15.Rfe1 0-0 16.Rab1 Rae8 17.Rb5+=) 14.0-0 Qd7 15.Rae1 Nbc6 16.Bb4 Rae8 17.Be7–/+; B) 13.0-0 B1) 13...Qd7 14.Rfe1 (14.Rae1 Nbc6 15.a3 0-0 16.Nf4 g5 17.Ne2–/+) 14...0-0 15.Nf4 Nbc6 16.Rab1 Rae8 17.Rb5+=; B2) 13...0-0 14.Rfe1 (14.Nf4 Qd7 15.Rae1 Nbc6 16.Re3 g5 17.Ne2–/+) 14...Qd7 15.Nf4 Nbc6 16.Rab1 g5 17.Ne2–/+.

5.d4 Nd7

6.Nc3 cd4= 7.ed4 Bb4 8.de5 (8.a3 Bc3 9.Bc3 Qc7=) 8...Ne5 9.Qd4 (9.Qh5 g6 10.Qh4 d4=) 9...Bc3 (9...Qe7 10.0-0-0 (10.Qd5?? Nf3 11.Kd1 Qe1) 10...Bc5 11.Qd5=) 10.Qc3 Bf5 11.Bd3 (11.Be2 Rc8 12.Qg3 Qa5 (worse is 12...Bc2 13.Qg7 Qa5 14.Kf1=) 13.c3 Rc7+=) 11...Rc8+= 12.Qd2 Qd7 (12...Nd3 13.cd3 Rc5 14.a4=) 13.Be5= fe5 14.Bf5 Qf5 Attacking the backward pawn on c2 15.Qd5 Nf6 Black prepares e4 (better is 15...Rc2 16.Nf3 Nf6 17.Qe5 Qe5 18.Ne5 Nd7 19.Nd7 Kd7+=) 16.Qf3 (better is 16.Qb7 0-0 17.Nf3+/–) 16...Qc2= 17.Ne2 (17.Rd1 e4 18.Qa3 Qc4+=) 17...Rd8 (17...Qb2 18.Rd1–/+) 18.0-0 (18.Qe3 0-0 19.Qb3 Qb3 20.ab3 Ne4=) 18...e4 (better is 18...0-0+=) 19.Qe3–+ Qd3 (19...Nd5 20.Qa7 Qe2 21.Qb7–+) 20.Rac1 (20.Rab1 Nd5 21.Qa7 Qe2–/+) 20...0-0 (20...Nd5!? 21.Qd3 ed3–/+) 21.Nf4 (21.a4 Nd5 22.Qd3 ed3–+) 21...Qe3 22.fe3 Rf7 (22...Rd2 23.Ne6 Re8 24.Nc5=) 23.h3 (23.Ne6 Re8 24.Ng5 Rd7+=) 23...Re7 24.Rc4 (24.Rfd1 Red7 25.Rd7 Rd7= (worse is 25...Nd7 26.Rc7+/–)) 24...Kf7 25.a4 Ke8 (25...Rd2 26.Kh2=) 26.a5 Re5 Black fights for the Initiative 27.b6 (27.Rc7 Rb5 28.Ne6 Rd7 29.Ng7 Kd8 30.Rd7 Nd7=) 27...ab6 (27...Ra5 28.Ne6 Rd2 29.Ng7 Kf7 30.Rc7 Kg6+=) 28.ab6= Rd6 29.Rc8 (29.Rc7 Rb6 30.Rg7 Re7 31.Re7 Ke7+=) 29...Kf7 30.Rc7 Re7 31.g4 (31.Rb1!?+=) 31...g5 (31...Rb6 32.Rfc1–/+) 32.Nh5 Rb6 33.Rc5 (33.Nf6 Rf6 34.Rfc1 b5–/+) 33...Kg6 34.Rf6 Rf6 35.Nf6 Kf6 36.Rb5 (36.Rf5 Kg6–/+) 36...h6 (36...Rd7 37.Rf5 Kg6 38.Kf2–+) 37.Rb6–/+ Ke5 (37...Kg7!?–/+) 38.Rh6 Kd5 (38...Re6 39.Rh5 Rg6 40.h4+=) 39.Kf2?? (better is 39.Rg6!?+=) 39...b5 (39...Rf7 40.Ke2 Rc7 41.h4+=) 40.Rb6 (40.Rh5 Rg7+=) 40...Kc5–/+ 41.Rg6 Re5 42.Ke2 Kc4 (42...b4 43.Rh6+=) 43.Rc6 (43.Rd6 b4–/+) 43...Kb3 (43...Rc5 44.Rd6 Kb3 45.Rd2–/+) 44.Kf2 (44.Rc8 b4–/+) 44...b4 45.Kg3 Ka4 (45...Kb2 46.h4–/+) 46.Rc4 (46.h4 gh4 47.Kh4 b3 48.Ra6 Ra5–/+) 46...Kb5–/+ 47.Rc1 (47.Rd4 b3–/+) 47...Rc5 48.Re1 (48.Rd1 Rc3 49.Rd5 Rc5=) 48...b3 49.h4 gh4 50.Kh4 Kb4 51.Kg3 b2 52.Rb1 Kb3 (52...Kc3 53.Kf4–+) 53.Kf4 Rc4 54.g5 Ka2 (54...Kc2 55.Rg1 b1Q 56.Rb1 Kb1 57.g6–+) 55.Rg1 (55.Rb2 Kb2 56.g6 Kc3–+) 55...b1Q 56.Rb1 Kb1 57.g6 Kc2 (better is 57...Rc6!? 58.g7 Rg6–+) 58.g7–/+ Rc8 59.Ke4 Rg8 60.Kd5 Rg7 61.e4 Rd7 62.Ke6 Rd4 (62...Rd1 63.e5–+) 63.e5 Kd3 (63...Rd1 64.Ke7–+) 64.Kf7 (64.Ke7 Ke4 65.e6 Ke5–+) 64...Rf4 65.Kg6 (65.Ke7 Kd4 66.e6 Rf1–+) 65...Re4 (65...Re4 66.e6 Re6 67.Kf5 Re4–+) 0–1. Volke,Karsten (2480) – Kovalev,Andrei (2530), Minsk, 1994.

6.c4 cd4= 7.ed4 Bb4 8.Nd2 (8.Bc3 Qe7 9.Bb4 Qb4 10.Qd2 Qe7 11.cd5 Nb6=) 8...Ne7 (8...dc4 9.Bc4 Nb6=) 9.Bd3 (9.a3 Bd2 10.Qd2 0-0=) 9...e4 (9...dc4 10.Bc4 Nb6 11.Bd3–/+) 10.Be2 dc4 11.Bc4 Qa5 (11...Nb6!? 12.Bb3 Ned5+=) 12.a3+= Bd2 13.Qd2 Qd2 14.Kd2 Nb6 15.Bb3 Bd7 16.a4 Rc8 (16...a6 17.ba6 ba6 18.Ne2=) 17.Rc1 (17.Ne2 Nc4 18.Bc4 Rc4+=) 17...Rc1 18.Bc1 Nbd5 (18...a6 19.a5 Nbc8 20.ba6 ba6 21.d5+=) 19.Ne2 f5 (19...a6 20.ba6 ba6 21.Ba3+=) 20.Ba3 f4 (20...Be6 21.Rc1+=) 21.Be7 e3 22.fe3 fe3 23.Kd3 (better is 23.Kc2!? Ne7 24.Kd3+/–) 23...Bf5= 24.Kc4 Nb6 (better is 24...Ne7!? 25.Re1 Be6 26.Kb4 Bb3 27.Kb3 Kd7=) 25.Kb4+/– Ke7 26.a5 Nd7 27.Ng3 (27.Rf1 Be4 28.Re1 Nf6+–) 27...Kf6 28.Rf1 g6 29.Bc2 Re8 30.Nf5 (30.Bf5 gf5 31.Rf5 Kg6 32.Rf1+/–) 30...e2 (30...gf5!? 31.Bd3 Ke7+/–) 31.Re1+– gf5 32.Bd3 Re3 (32...Nf8 33.Bc4+– (33.Be2?! Re4=)) 33.Kc4 (33.Be2?! Nf8 34.d5 Ke5+=) 33...h5 (33...b6 34.a6+– (34.Be2 ba5 35.Kd5 Nf8–/+; 34.Re2?! Re2 35.Be2 ba5+/–)) 34.Re2 (34.Be2?! Nf8 35.d5 Ke5+=) 34...f4 (34...Re2 35.Be2 h4 36.Kd5+–) 35.Re3 fe3 36.Be2 a6 (36...b6 37.a6 Kg5 38.Kd3+–) 37.b6 (better is 37.ba6 ba6 38.Bh5 Nb8+–) 37...Kg5 (37...Nb8 38.Bh5 Nc6 39.d5+–) 38.Kd3 Kf4 (38...Nb8 39.Bf3 Kf4 40.Bb7+–) 39.Bh5 Nf6 (39...Nf8 40.g3 Kg5 41.Bf7+–) 40.Be2 (better is 40.Bf3 Nd7+–) 40...Nd5 (40...Ne8 41.g3 Kf5 42.Ke3+–) 41.g3 Kf5 42.Bf3 e2 (42...Nb4 43.Ke2 Nc2 44.Bb7 Nd4 45.Ke3 Nc2 46.Kd2+–) 43.Be2 (43.Be2 Nb4 44.Kc3+–; better is 43.Ke2!? Nb4+–) 1–0. Wygrecki,J – Rogan,M, East Lansing ch–MI op, 1982.

6.de5!? fe5 7.Qd5+/–.

6.de5 Nh6 7.Qd5 Ne5 8.Qd8 Kd8 9.Nc3 Be6 (9...Bg4 10.h3 Be6 11.Rd1 Kc8 12.Nd5+/–) 10.0-0-0 (10.Rd1 Ke8+/–) 10...Kc8 11.Nh3 Nhg4 (11...Bg4 12.Be2+/–) 12.Nd5 h5 (12...c4 13.e4+–) 13.e4+– Rh6 (13...Bd5 14.Rd5 Kc7 15.Be2+–) 14.f3 Bd5 15.ed5 (15.Rd5 Ne3 16.Rd2 a6 17.Be5 fe5 18.ba6 c4 19.ab7 Kb7 20.Rd7 Kc6–/+; 15.fg4?! Ba2 16.g5 Rh8+=) 15...Ne3 16.Re1 Nf1 17.f4 (worse is 17.Ref1 a6 18.Be5 fe5+/–) 17...Nf7 18.Re8 (18.Ref1?! Nd6+/–) 18...Nd8 19.Rf8 Ne3 20.Re1 Nf5 (20...Nc4 21.f5 Kd7 22.Rg8+–) 21.Ng5! fg5 22.fg5 Rd6 23.Rf5 g6 24.Rf6 Rd5 25.Rg6 c4 (25...a6 26.c4 Rf5 27.b6+–) 26.Rg8 a6 27.g6 Kc7 28.g7 c3 (28...Rg5 29.Re7 Kd6 30.Ba3 Kd5 31.Rge8+–) 29.Bc3 Rg5 30.Re7 Kb6 31.Rd7 Rc8 (31...Kb5 32.Rgd8 Rd8 33.Rd8 Rg2 34.g8Q Rg8 35.Rg8+–) 32.Bd4 Kb5 33.Rgd8 Rd8 34.Rd8 Rg2 35.g8Q Rg8 36.Rg8 Kc6 (36...Kc4 37.Be3 Kb4 38.Rg5 b5 39.Bc5 Kc3 40.Rh5 Kc4 41.Kb2 a5 42.Bg1 a4 43.a3 b4 44.Rc5) 37.Rh8 Kd5 38.c3 Ke4 39.Rh5 Kf4 40.Rh6 Kg4 41.Rb6 Kf4 42.Rb7 (42.Rb7 a5 43.Ra7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

6.de5 Ne5

7.Nf3 Nf3 8.Qf3 Be6 9.Nc3 =.

7.Nf3 Nf3= 8.Qf3 Be6 9.c4 Nh6 (9...Qd7 10.cd5 Bd5 11.e4=) 10.Be2 (10.Nc3 d4 11.ed4 cd4+=) 10...Nf7= 11.0-0 Bd6 12.cd5 Bd5 13.Qf5 (13.Qd5 Decoy theme: d5 13...Bh2 Discovered attack) 13...Nh6 14.Qd3 Be6 (14...c4 15.Qd2 Bc7 16.Qc2+=) 15.Rd1 Nf7 16.Nc3 Qc7 17.Qe4 (17.f4!?+=) 17...Bh2+= 18.Kh1 Be5 19.f4 White gets in control 19...f5 20.Qa4 Bc3 21.b6 Bd7 22.Rd7 (worse is 22.bc7 Ba4 23.Bc3 Bd1 24.Rd1 Rc8 25.Bb5 Ke7 26.Rd7 Ke6–/+) 22...Qd7 Decoy to d7 23.Bb5 A pinning theme 23...0-0 (23...Ke7 24.Bd7 Bb2 25.Rb1 ab6 26.Qc4+–) 24.Bd7 Bb2 25.Rb1 ab6 26.Qc2 Bf6 (26...Ba3 27.Bf5 (27.Qf5?! Bb4+/–) 27...h6 28.Rb6+–) 27.Bf5 (27.Rb6!? Nd8 28.Bf5 g6+–) 27...g6 28.Be4 (28.Rb6?! Bd8 29.Rb7 gf5 30.Qf5 Ra2 31.Qc5 Bf6+=) 28...Nd6 (28...Bd8 29.Bg6! hg6 30.Qg6 Kh8 31.Rb2+–) 29.Rb6 Ne4 30.Qe4 Kh8 (30...Rf7 31.Rb7 Rb7 32.Qb7+–) 31.Qd5 (31.Qc4 Rab8+–) 31...Rad8 32.Qc5 Rf7 33.Kh2 (33.g4 Bg7+–) 33...Ba1 (33...Bg7 34.g4+–) 34.g4 Rdd7 (34...Rfd7 35.a4 Bg7 36.Qb4+–) 35.Qc8 Kg7 36.Qc1 (36.Qc1 Bf6 37.g5+–) 1–0. pcmvr (1965) – pov (1835), ChessHere.com, 2007.

7.Nf3 Bg4 8.Be2 Bf3 (8...Nc4 9.Bc4 dc4 10.Nc3=) 9.gf3 (9.Bf3 Qa5 10.Nc3 d4 11.ed4 cd4 12.Qd4 Nf3 13.gf3 Rd8 14.Qe4 Ne7+=) 9...Qd7 (9...Ne7 10.f4 N5g6 11.c4=) 10.f4 (10.Nd2 Rd8=) 10...Nf7 (10...Ng6 11.c4 N8e7 12.h4+=) 11.a4 (11.c4 Ne7=) 11...0-0-0 12.b6 (12.0-0 Ne7=) 12...ab6 (12...a6 13.Rg1+=) 13.Nc3 Ne7 (13...d4 14.Nb5=) 14.a5+= White gets the initiative 14...ba5 15.Ra5 Qd6 (15...Qc6 16.Bb5 Qb6 17.Qa1=) 16.Qa1 (16.Na4 c4+=) 16...Qb6 (better is 16...Kd7=) 17.Rb5+/– Qc7 (17...Qd6 18.Qa7 Rd7 19.Qa8 Qb8 20.Rc5 Rc7 21.Rc7 Kc7 22.Qa5 Kd7 23.Nd5 Nd5 24.Qd5 Nd6 25.0-0+–) 18.Na4+– Rd6 (18...Qb8 19.Bf6! gf6 20.Qf6+/–) 19.Nc5 b6 20.Qa6 Kb8 21.0-0 Qa7 22.Qa7 Ka7 23.Ra1 Kb8 24.Ba3 Kc7 25.Na6 Kb7 (25...Kc6 26.Rab1 Nc8 27.Bd6 Bd6 28.Bf3+–) 26.Bd6 Nd6 27.Rb3 Ne4 28.Nb4 g5 29.f5 Kc7 (29...Nd2 30.Rd3 Nc4 31.Nd5+–) 30.Ra7 (30.Rd1 Nc5 31.Ra3 Ne4+–) 30...Kd6 31.Nd3 (31.Rb7 Ke5 32.Rd3 Kd6+–) 31...Nc8 32.Ra8 Bg7 (32...Kc7 33.f3 Nd2 34.Rc3 Nc4 35.e4+–) 33.f3 Nd2 34.Rb5 Nc4 35.e4 Kc6 36.Rd5 Kc7 37.Nb4 N4d6 38.Ba6 Bf8 (38...h5 39.Rd6! Kd6 40.Bc8+–) 39.Rd3 Ne7 1–0. Lindner,Jan Joost – GOLDBAR, The Hague AEGON, 1997.

7.Be5 fe5

8.Qh5 Kd7 9.Qe5 Nf6 10.Nf3 Bd6 11.Qg5 (11.Qc3 Qe7 12.Be2 Re8+=) 11...Qe7 12.Be2 Kd8 (12...Kc7 13.Nc3 Be6 14.0-0+=) 13.Nc3+/– Be6 14.0-0 h6 (14...Kc8 15.Rad1+/–) 15.Qg6 Bf7 (15...Rf8 16.Rfd1+/–) 16.Qd3 (worse is 16.Qg7 Rh7 17.Nd5 Rg7 18.Ne7 Ke7+=) 16...g5 17.h3 Rg8 18.Rfd1 The pressure on d5 grows (18.Rad1 Kc8+=) 18...h5 Black intends g4 19.g3 (19.h4 gh4 20.Nh4 Qd7+=) 19...g4= 20.hg4 hg4 21.Nh4 Be5 22.Rab1 (22.Nf5 Qd7 23.Nh6 Rf8 24.Nf7 Rf7 25.Nd5 Ba1 26.Nf6 Bf6+–) 22...Kc8 (22...Ke8 23.b6=) 23.Bf1 (23.Na4 c4 24.Qf5 Kb8=) 23...c4 24.Qd2 Qa3 25.Ne2 Ne4 26.Qb4 Qb4 (26...Qa2 27.Qe7 Ng5 28.Qe5 Qc2 29.Nc3+–) 27.Rb4 Kc7 (27...Rh8 28.Bg2+=) 28.Bg2 Kb6 (28...Raf8 29.Nf5 Rh8 30.Nfd4+=) 29.Rbb1 (29.Nf5 Rh8+=) 29...Rh8= 30.Be4 (30.Nf5 Rh5 31.Ne7 Kc5=) 30...de4 31.Nf4 (31.Rd7 Be6 32.Re7 Rae8 33.Re8 Re8+=) 31...Rhd8 Black fights for the Initiative 32.Nf5 c3 33.a4 Ba2 34.Rd8 Rd8 35.Ra1 (35.Rb4 Bf4 36.gf4 Rd2 37.Re4 Rc2+=) 35...Bc4 36.Nh6 Rd2 (36...Bf4 37.ef4 Be2 38.Nf5=) 37.Ng4 Bg7 38.Rc1 Ka5 39.Nh5 (39.Kg2 Ka4 40.Ra1 Kb4+=) 39...Be2+= 40.Ngf6 Bh8 41.g4 Rd1 42.Rd1 Bd1 43.Ne4 (43.b6 ab6 44.g5 Bc2–+) 43...Bc2–+ 44.Nd6 Ba4 45.Nf4 Bb5 46.Nb5 Kb5 47.Kf1 Kc4 48.Ke2 b5 (48...b5 49.Ne6 a5–+) 0–1. Steinmann,Joachim – Korosec,Stane (2145), corr ICCF EM/M/A108 Email, 2000.

8.Qh5 Kd7 9.Nf3 Nf6 10.Qe5 Bd6 11.Qg5 Rg8 12.Ne5 Kc7 13.Nf7+/– Qe7 14.Nd6 Qd6 15.c4 d4= 16.Bd3 de3–/+ 17.Qg3 ef2 18.Kf2 Qg3 19.Kg3 Bd7 20.Nc3= Rae8 21.Rae1 b6 22.a4 Be6 23.Rhf1 Bf7 24.Kf2 Kd7 25.h3 h6 26.Re8 Re8 27.Re1 Re1= 28.Ke1 Kd6 29.Ke2 Ke5 30.Ke3 Ne8 31.Nd1 Nd6 32.Nb2 Nf5 33.Bf5= Kf5 34.g3 Ke5 35.Nd3 Kf5 36.Nb2 g5 37.g4 Ke6 38.Nd1 Ke5 39.Nb2 Bg6 40.Nd1= Bc2 41.Nb2=+ Be4 42.Nd1 Bg2–/+ 43.Nc3? Bh3–+ 44.Nd5 Bg4 45.Ne7 Bd7 0–1. hal1958 – Lullo, playchess.de, 2003.

8.Qh5 Ke7 9.Qe5 Kf7 10.Nf3 Nf6 11.Ng5 (11.Qb2 c4+=) 11...Kg8 12.Nd2 Bd6 13.Qc3 Qe7 (13...a6 14.ba6 ba6 15.Rb1+=) 14.Ngf3 Kf7 15.Bd3 c4 16.Be2 a6 17.Rb1 (17.b6 Bb4 18.Qd4 Re8+=) 17...ab5= 18.Rb5 Rf8 (worse is 18...Ra2 19.Bc4 Ra3 20.Qd4+/–) 19.0-0 Kg8 (19...Ra3 20.Qd4 Kg8 21.e4+=) 20.Ra1 b6 21.a4 (worse is 21.Rb6 Ra3 22.Nb3 Qc7–/+) 21...Bc5 22.Qe5 Re8 23.Qe7 Re7 (worse is 23...Be7 24.Rb6 Bd8 25.Rbb1+/–) 24.c3 (24.a5 Rea7 25.e4 c3+=) 24...Rea7+= Attacking the isolated pawn on a4 25.Bd1 (25.e4 de4 26.Bc4 Kf8+=) 25...Bd7 26.Rb2 b5 27.Ne5 Be8 (worse is 27...ba4 28.Nd7 Nd7 29.Rb5+=) 28.Ng4 (28.a5 Ra5 29.Ra5 Ra5–/+) 28...Ng4–/+ 29.Bg4 ba4 30.Bf3 (30.Nf3 Be7–/+) 30...Rd8 31.Rba2 (31.Kf1 Kf7–/+) 31...a3 (31...Kf7 32.Kf1–/+) 32.Kf1 Kf8 (32...Bf7 33.Ke2–/+) 33.Nb1 (33.Ke2 Ba4 34.Rb1 Kf7–/+) 33...Bf7 (33...Bc6 34.Nd2–/+) 34.Ke2 Rda8 35.Kd1 (35.h3 Ke7–/+) 35...Ke7 (35...g5 36.Nd2–/+) 36.Kc1 (36.e4 d4–/+) 36...g5 (36...Kd6 37.e4–/+) 37.e4+= d4 38.e5 (38.h4 gh4 39.e5 Rg8–/+) 38...Rb8 39.Na3 dc3 40.Nb1 Ra2 41.Ra2 Bd4 42.Be4 Be5 43.Bh7 Rh8 44.Be4 Rh2 45.Ra7 Kf6 46.Ra6 Kg7 47.Ra5 Bf6 48.Kc2 Bg6 49.Bg6 Kg6 50.Nc3 Bc3 (50...Rg2 51.Ne4 Bd4 52.Rd5+=) 51.Kc3 Rg2 52.Ra6 Kf5 53.Ra8 Rg4 54.Rf8 Ke5 55.f3 ½–½. Van Rooijen,Peter (1700) – Ventimiglia,Chuck (1925), WC.2005.P.00007, 2002.

8.Qh5 g6?? 9.Qe5+– Kf7 10.Qh8 Bg7 11.Qh7 Nh6 (11...Nf6 12.Qh4 Qa5 13.Nd2 Nh5+–) 12.Bd3 Qf6 13.Qg6! Qg6 14.Bg6 Kg6 15.c3 1–0. Lannoy,Jean_Claude Albert – Dunning,Stephen, CL5–2009.18.02, 2009.

5.d4 e4

6.Nc3 Be6 7.dc5 Bc5 8.Ne4 Be3 9.Qh5 Kf8 10.fe3 de4+=.

6.c4 b6 7.Nc3 Ne7 8.dc5 bc5 9.cd5 (worse is 9.Nd5 Nd5 10.Qh5 g6 11.Qd5 Qd5 12.cd5 Nd7+/–) 9...f5? (better is 9...Bb7 10.Bc4 Qa5+–) 10.d6 Ng6 (10...Be6 11.de7 Be7 12.Qd8 Bd8+–) 11.Qd5 Bb7 12.Qb7 Nd7 13.Nd5 Bd6 14.Qc6 0-0 (14...Qb8 15.Bg7 Nge5 16.Be5 Be5 17.0-0-0+–) 15.Qd6 (15.Qd6 Nb6 16.Qe6 Kh8 17.Rd1 Nd5 18.Qd5 Qa5 19.Qd2 Qd2 20.Rd2+–) 1–0. Engelen,R – Riley,R, WCF99C09 Eclipse, 1999.

6.c4 dc4 7.Bc4 cd4 8.ed4 Bf5 9.Qb3 Nh6 10.Ne2 Bd6 11.Ng3 Bg3 12.hg3 Nd7 (12...Qd7+=) 13.Rh6 (13.Bd5!?+/-) 13...gh6= 14.Ba3 (14.Bf7 Kf8=) 14...Bg6 (14...Qc7 15.Be6 Bg6 16.Nd2+=) 15.Nd2 Qb6 16.0-0-0?? (16.Bd5 Qd4 17.Rd1 Nc5 18.Bc5 Qc5 19.Bb7 Rd8 20.Qe6 Qe7 21.Bc6 Kf8 22.Qe7 Ke7 23.Ne4 Rd1 24.Kd1 Bh5 25.Kd2 Be8 26.Be8 Re8=+) 16...0-0-0?? (16...Qd4 17.Bd5 Rc8 (17...Qf2 18.Ne4 Qb6 19.Nd6 Kd8 20.Nb7 Kc8 21.Qc4 Qc7 22.Bc6+-) 18.Nc4 Qf2 19.Bb7 Rc7=) 17.Be6 (17.Bd5 Qc7 (worse 17...Qd4 18.Ne4 Qa1 19.Kd2+/-) 18.Kb2 Kb8 19.Ne4 Nb6=+) 17...Kb8 (17...Qd4 18.Nc4 Qa1 19.Kd2 Qd1 20.Kd1 Bh5 21.Ke1+-) 18.Bd7? (better 18.Nc4 Qe6 19.Bd6 Ka8 20.Nb6 Nb6 21.Qe6-/+) 18...Rd7-+ 19.Bc5 Qc7 20.Kb2 Qd8 (20...b6 21.Bb4 Rd4 22.Ne4-+) 21.Nc4 (21.b6 a6 (21...Rd4?! 22.ba7 Ka8 23.Nc4 Rd1 24.Nb6 Qb6 25.Qb6=) 22.Qe3 Re8-/+) 21...Bf7 (21...b6 22.Bb4 Bf7 23.Qc2-+) 22.Qb4 (22.Ba7 Ka7 23.Qa4 Kb8 24.b6-+) 22...Bc4-/+ 23.Qc4 f5 (23...Rd5 24.Ka1-+) 24.d5 Re8 25.d6 (25.Be3 Rg8=+) 25...Qf6 (25...b6 26.Be3-/+) 26.Qd4 (26.Bd4 Qe6 27.Qe6 Re6=+) 26...Qd4 27.Rd4 (27.Bd4 Rd6 28.Be5 Re5 29.Rd6 Rb5 30.Kc1 Re5-/+) 27...b6 (27...Re5 28.Bb4-+) 28.Bb4 Re5 29.a4 e3 30.fe3 0-1. Mely (2140) - Necromancer1994 (1680), ChessWorld.net, 2018.

6.c4 cd4 7.Qd4 (7.Bd4 Bb4 8.Bc3 Qa5+/–) 7...Be6 8.Nc3 Bb4 9.a3 Ba5 10.Nge2 Ne7 (10...dc4 11.Qe4 Qd5 12.Qd5 Bd5 13.0-0-0+=) 11.Nf4+= Bf7 12.0-0-0 (12.cd5 Bd5 13.Nfd5 Qd5+/–) 12...dc4 (12...Nf5 13.Qd2 dc4+=) 13.Qe4+/– Qc8 14.Nfd5 Do you see the mate threat? 14...Qe6 (14...Qc5 15.Qc4 Qc4 16.Bc4+–) 15.Qc4 (better is 15.Bc4!? Qe4 16.Ne4 Nd5 17.Nd6 (17.Rd5?! Ke7+/–) 17...Ke7 18.Nf5 Kd7 19.Bd5 Bd5 20.Rd5 Ke6 21.e4 Rc8 22.Kb1+–) 15...Nd7 16.Nc7 Bc7 17.Qc7 Rc8 18.Qb7 (better is 18.Qd6+/–) 18...Nc5+= 19.Qa7 Ne4 20.Rd2 (20.b6 Nc3 (20...Rc3 21.Bc3 0-0 22.Qd7+/–) 21.Bc3 Rc3 22.Kd2 0-0–+) 20...Nd2 (better is 20...Nc3 21.Bc3 Rc3 22.Rc2 Rc2 23.Kc2 Qb3 24.Kd2 Qb2 25.Ke1 0-0–+) 21.Kd2= Qb3 (better is 21...Rd8 22.Kc1 0-0=) 22.Kc1?? (better is 22.Nd1+=) 22...Rc3 23.Bc3 Qc3 24.Kd1 Bb3 25.Ke2 Qc2 (25...Qc4 26.Kf3 Bd1 27.Be2 Be2 28.Kg3 Qg4) 26.Kf3 Bd5 27.Kg3 (27.e4 Qe4 28.Kg3 Nf5 29.Kh3 Qh4) 27...Qg6 28.Kh4 (28.Kh3 Be6 29.Kh4 Qg5) 28...Qg5 (28...Nf5 29.Kh3 Qh5) 29.Kh3 White threatens to counter with f3 29...Be6 30.g4 Qg4 0–1. Fiedler – Grehl,Siegfried, corr SOK–89–29, 1989.

6.Ne2 c4 7.Nbc3 Bb4 8.a4 b6 9.Ng3 Ne7 10.Be2 Ng6 11.0-0 0-0 12.h3 f5 13.Bh5 Bc3 14.Bc3 a5 15.Qb1 Be6 16.Bb2 Nd7 17.c3 Nf6 18.Be2 Qc7 19.Ba3 Rf7 20.Bh5 f4 21.ef4 Nf4 22.Bf7 Qf7 23.Bc1 Nd3 24.Be3 h5 25.Ne2 Qg6 26.Nf4 Nf4 27.Bf4 Bh3 28.g3 Bf1 29.Qf1 Qg4 30.Re1 h4 31.Bc7 Nh5 32.Qg2 h3 0–1. ventil – anthony3, internet, 2013.

6.c4 Be6

7.Nc3 cd4 8.Qd4+=.

7.cd5+/– Qd5 8.Nc3 Qd8 9.Ne4+/–.

7.cd5+/– Qd5 8.Nc3 Qf5 9.Nge2+/–.

7.cd5+/– Bd5

8.Nc3 Be6 9.Ne4 c4 10.a3+/–.

8.Nc3 c4

9.Qa4 b6 10.Nd5+– Qd5 11.Bc4 Qb7 12.Qb3 Ne7 13.Bf7 Kd8 14.Ba3 (14.Ba3 Nd7 15.Ne2+–) 1–0. Van Rooijen,Peter – Benyovszki,Pal, IECC, 2000.

9.Qa4 b6 10.Nd5+– Qd5 11.Bc4 Qd6 12.Qc2 f5 13.Bg8 Rg8 14.Qc8 Qd8 15.Qf5 Qe7 (15...Nd7 16.Qe4 Kf7+–) 16.Rc1 (16.a3 Nd7 17.Qd5 Rc8 18.Qg8 Qg5 19.Qe6 Kd8 20.Qe4 Nf6+–) 16...Nd7 (16...Na6 17.Qd5 Rd8 18.Qg8+–) 17.Qd5 Rd8 18.Qg8 Qb4 (18...Nf6 19.Qc4+–) 19.Bc3 Qb5 20.Qh7 Nf6 21.Qg6 Ke7 (21...Kd7 22.Ne2 Qh5 23.Qh5 Nh5 24.d5+–) 22.Bd2 (22.Ne2 Qh5 23.Qh5 Nh5+–) 22...Rd7 (22...a5 23.Ne2+–) 23.Ne2 (23.Ne2 Qb2 24.Ng3+–) 1–0. b4_player – floryncd, gamecolony.com, 2007.

9.Qa4 b6 10.Nd5+– Qd5 11.Bc4 Qf5 12.Qb3 Ne7 13.Ne2+–.

9.Qa4 Ne7!? 10.Bc4 Bc4 11.Qc4 f5+/–.

9.Qa4 Ne7!? 10.Bc4 f5+/–.

5.Nf3 e4

6.d3? ef3–+ 7.Qf3 Be6 8.c4 dc4 9.dc4 Qc7 10.Nc3 Ne7 11.Rd1 Nd7 12.a4 (12.Nd5 Nd5 13.cd5 Qa5 14.Rd2–+) 12...0-0-0 13.e4 Ng6 (better 13...Ne5 14.Rd8 Qd8–+) 14.e5? (14.Nd5 Qa5 15.Qc3 Qc3 16.Bc3–+) 14...Nf4 (better 14...Qe5 15.Be2 Bc4–+) 15.Qd5?? (better 15.Qf4 Ne5 16.Rd8 Qd8 17.Qe3=+) 15...fe5 (better 15...Bd5 16.Nd5 Nd5 17.cd5 Qa5 18.Ke2 Qa4–+) 16.Qe5 (16.Qf3–+) 16...Bc4 (better 16...Qe5 17.Kd2 Ng2 18.Kc1 Qf4 19.Kb1 Qf2 20.Ne4–+) 17.Qf4?? (better 17.Qc7 Kc7 18.Bc4=) 17...Kb8 (17...Qf4 18.Bc4 Qc4 19.f3–+) 18.a5 (better 18.Qc7 Kc7 19.Bc4+–) 18...Ka8 (18...Qf4 19.Be2–+) 19.Rc1 (better 19.Qc7 Re8 20.Be2 Be2 21.Qd7 Be7+–) 19...Bb5 (better 19...Qf4 20.Be2 Re8–+) 20.Qf3 (better 20.Qc7 Re8 21.Be2 Be2 22.Ne2+–) 20...Ba6?? (better 20...Re8 21.Ne2 c4–+) 21.Kd2?? (better 21.Ba6 Ne5 22.Qe4+=) 21...Bd3! 22.Re1?? (22.Kd3 Decoy theme: d3 22...Ne5 A double attack) 22...Bc2 (better 22...Bf1 23.Kc1 Bc4–+) 23.Qe2?? (23.Kc2 Nb8 24.a6 Nc6+–) 23...Qb8?? (23...Bb3!? 24.Ra1–+) 24.Qe3?? (24.Kc2 Bd6+–) 24...Be7?? (24...Bg6 25.a6–/+) 25.Ba6?? (25.Kc2 Rhf8+–) 25...Qe5?? (better 25...Bg6 26.Bb5 Bf6–+) 26.Qd3?? (26.Qe5!? Ne5 27.Kc2 Nc6+–) 26...Bd1 (better 26...Bd3 27.Re5 Ne5 (27...ba6?! 28.Re7 Nb8 29.Rg7=; 27...Ba6?! 28.Re7 Ne5 29.Kc2–/+) 28.Bd3 Nd3–+) 27.Qb1?? (better 27.Nd1 Qf4 28.Kc2+–) 27…Nb6–+ (27...Nb6 28.Bd3 Nc4 29.Kd1 Rd3 30.Qd3 Nb2 31.Kc2 Nd3 32.Re5 Ne5–+) 0–1. RichardSommer (1970) – TheJoker19 (1990), lichess.org, 2020.

6.Ng1 Be6 7.Qh5 (7.Nh3 Bd6=) 7...Bf7 =+.

6.Ng1 Bf5 7.Qh5 Bg6 8.Qg4 Bd6 9.c4 Qd7 10.Qd7 Nd7 11.cd5 Ne7 12.Nc3 Nb6 13.h4 (13.f3 ef3 14.Nf3 Ned5=+).

6.Nh4 Be6

7.f4 f5 8.g3 Nf6 9.Bh3 g6 10.d3 Bg7 11.de4 de4 12.Qd8 Kd8 13.Nd2 Re8 14.0-0-0 Nbd7 15.Nb3 Kc7 16.Kb1 Bc4 17.Bf1 Bf1 18.Rhf1 a6 19.ba6 ba6 20.Bc3 Reb8 21.Kc1 Kc6 22.h3 Rb6 23.g4 fg4 24.Na5 Kb5 –+.

7.f4 Nh6 8.Be2 d4 9.0-0 (9.g3 de3 10.de3 Qd1 11.Bd1 Nf7=+) 9...g5 10.fg5 fg5 11.ed4 Bg7 12.Bh5 Ke7 13.c3 gh4 14.Rf4 cd4 15.Re4 Qb6 16.cd4 Kd8 (16...Qb5 17.Re6 Ke6 18.d5 Kd5 19.Bg7 Qb6 20.Kf1+–).

7.f4 Nh6 8.Be2 Bd6 9.0-0 0-0 10.c4 dc4 11.Qc2 f5 12.Bc4 Bc4 (< 12...Qh4 13.Be6 Kh8 14.Qc3+=) 13.Qc4 Rf7 14.g3 a6 15.ba6 Na6 16.a3 Qd7 17.Nc3 Nc7 18.Nd5 b5 19.Qa2 Ra7 20.Kg2 c4 21.Nc7 Bc7 22.Bd4 Ra6 23.Qb2 Rf8 24.Rab1 Rb8 25.h3 Bd6 –+.

5.f4 ef4

6.ef4 Qd6 7.Nf3 (7.Be2 Ne7 8.Nc3 Bf5 9.Nf3 Nd7 10.0-0 Qf4 11.Bd3 0-0-0 12.Qe2; 7.Nc3 Ne7 8.Be2 d4 9.Ne4 Qf4 10.Nc5 Nf5 11.Nd3 Qh4 12.g3) 7...Ne7 8.Be2 Ng6 9.g3 Bh3 10.Bf1 Be6 11.Nc3 Nd7 12.Kf2.

6.ef4 Qe7 7.Ne2 (7.Kf2 Qe4 (7...Nh6 8.Be2 Qd6 9.g3 Be7 10.Nc3 0-0 11.Kg2 Be6 12.Nf3) 8.Qe2 (8.Nf3 Qf4 9.g3 Qd6 10.Bg2 Nd7 11.Re1 Ne7 12.Nc3) 8...Qe2 9.Be2 (9.Ne2 Bd6 10.Nbc3 Ne7 11.g3 Be6 12.Bg2) 9...Bd6= 10.Nc3 Ne7 11.Re1 Kf7 12.Bh5; 7.Be2 Qd6 8.Nf3 Be6 9.0-0 Nd7 10.Nc3 Ne7 11.g3 Nf5 12.Re1) 7...d4+= 8.g3 (8.Na3 Bd7+= (8...Kf7 9.Kf2 Qe4 10.Nc4 Nh6 11.Kg1 Nd7 12.c3) 9.g3 Nh6 10.Bg2 Bg4 11.h3 Be6 12.0-0; 8.Kf2 Nh6 9.Na3 Qe4 10.Kg1 Nd7 11.Nc4 Kf7 12.c3) 8...Qe4 (8...a6 9.a4+= (9.Bg2 ab5 10.0-0 Qd7 11.c3 d3 12.Nc1) 9...Qe4 10.Rg1 Nh6 11.Bg2 Qe6 12.Na3) 9.Rg1 Bg4 (9...a6 10.Bg2 Qe6 (10...Qf5 11.Kf2 Kf7 12.Na3) 11.ba6 (11.Kf2 Kf7 12.Re1) 11...Ra6 (11...Na6 12.Kf2) 12.Kf2=; 9...Nh6 10.Bg2 Qe6 11.Rf1 Bd6 12.Kf2) 10.Bg2= Bf3 (10...Qe7 11.Kf2= Nh6 12.Re1) 11.Kf2 (11.d3!? Qe3 12.Bf3 Qf3 13.c3=) 11...Bg2+= 12.Rg2 Nh6 13.Kg1 Bd6 (better is 13...Be7!?=) 14.Nd4!+/– 0-0 (14...cd4 15.Re2 Combination) 15.Re2 Qg6 16.Ne6 Rf7 (16...Re8 17.Na3 Nd7 18.Qf1+/–) 17.Qe1 (17.d4 cd4 18.Qd3 Qh5+/–) 17...Nd7 18.d4 cd4 19.Bd4 b6 (19...Nf5 20.Qd2+=) 20.Bb2 (20.Nc3 Nf5+/–) 20...Re7 (20...Re8 21.Nc3+=) 21.Nd4 (21.Nc3 Bc5 22.Nc5 Re2 23.Qe2 Nc5+/–) 21...Re2 (21...Rae8 22.Re7 Re7+=) 22.Ne2 (22.Qe2!? Re8 23.Qf3+=) 22...Re8 (22...Bc5 23.Bd4=) 23.Qd2 (better is 23.Qd1!? Bc5 24.Nd4+=) 23...Bc5–/+ 24.Kf1?? (24.Nd4 Qh5 25.Qd3 Re1 26.Kf2–+) 24...Qe4–+ 25.Nbc3 (25.Ng1 Qh1 26.Bd4–+) 25...Qh1 26.Ng1 Qg1 0–1. Torres Herrero,Fernando – Sobrino Garcia,Raul, Valladolid, 1987.

6.ef4 Ne7 7.Nc3 (7.Nf3 Kf7 8.Nh4 Qd6 9.Qf3 h5 10.Kf2 Bg4 11.Qg3 Nd7 12.Nc3; 7.Kf2 Nf5 8.Nf3 Bd6 9.g3 0-0 10.Nc3 Be6 11.Bh3 Qd7 12.Re1; 7.Nh3 Kf7 8.Nc3 c4 9.Nf2 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1) 7...Bf5 8.g4 Bc8 9.Nh3 a6 10.Bg2 d4 11.Ne4 ab5 12.g5.

6.ef4 Kf7 7.Nc3 (7.Nf3 Bd6 8.Be2 Ne7 9.0-0 Nd7 10.Nh4 c4 11.Nc3 Nb6 12.a4; 7.Be2 Ne7 8.Nf3 Ng6 9.0-0 Qb6 10.c4 d4 11.f5 Nf4 12.Nh4) 7...Ne7 8.Nf3 Qc7 9.g3 Be6 10.Bg2 d4 11.Ne4 Nf5 12.Qe2.

6.ef4 h5 7.Be2=.

6.ef4 Nh6 7.Nc3 (7.Nf3 Bd6 8.Nc3 Bf4 9.g3 Bc7 10.d4 c4 11.Bg2 0-0 12.0-0; 7.Nh3 c4 8.Qh5 g6 9.Qf3 Bc5 10.Nc3 Be6 11.0-0-0 0-0 12.Re1) 7...Be6 8.Nh3 Be7 9.Be2 0-0 10.0-0 d4 11.Ne4 Nd7 12.Re1.

6.ef4 Bf5

7.Nc3 d4 8.Na4 Qd5 9.Be2 c4 10.Nf3 Qb5 11.Nd4 Qa4 12.Nf5.

7.Be2 Bd6 8.Bg4 Be4 9.Nf3 Nh6 10.Bh5 g6 11.d3 Bf5 (< 11...gh5 12.de4 de4 13.Nfd2 Bf4 14.Qh5 Nf7 15.Ne4+/–) 12.Nh4 Qe7 13.Be2 Bf4 14.0-0 Qc7 15.g3 Be5 16.Be5 Qe5 17.c3 0-0 18.Qd2 Kg7 19.d4 Qe7 20.Nf5 Nf5 21.Bg4 Qe3 22.Rf2 Qd2 23.Rd2 Ne3 24.Bf3 cd4 25.cd4 Rc8 –/+.

7.Be2 Bd6 8.Bh5 g6 9.Bg4 Qe7 (9...Bf4?! 10.Bf5 Qe7 11.Ne2 gf5 12.0-0+=).

7.Ne2 Bd6 8.Ng3 Bg6 9.Nc3 Ne7 10.Qf3 Nd7 11.Nh5 Kf8 12.Be2.

7.Nf3 Ne7 8.Nh4 Qd6 9.Nc3 Qf4 10.Nf5 Qf5 11.Bd3 Qe5 12.Qe2.

7.Nh3 Nd7 8.Bd3 Ne7 9.Bf5 Nf5 10.0-0 Nb6 11.Qh5 g6 12.Qe2.

7.Qh5 Bg6 8.Qe2 (8.Qh3 Bc2 9.Na3 Be4 10.d3 Bg6 11.Kf2 Qd7 12.Re1) 8...Ne7 (8...Kf7 9.Nc3 Ne7 10.g4 Bc2 11.f5 d4 12.Qe6) 9.c4+= (9.Kf2 Qd6 10.Nh3 Nd7 11.Nc3 0-0-0 12.Re1) 9...Kf7 10.Nc3 d4 11.Ne4 Qc7 12.g4.

5.Qh5 g6

6.Qd1 c4 7.d3 cd3 8.cd3 Qa5 9.Nd2 Qb5–/+ 10.Rb1 Qa5 11.Qb3 Ne7 12.Ne2 Nbc6 13.Nc3 Rb8 14.Ba3 Be6 15.Be7 Be7 16.Be2 0-0 17.0-0 Bf7 18.Qa4?? Qc3 19.Nf3 e4 20.de4 de4 21.Ne1 Qd2 22.Bb5 Qa2 23.Bc6 Qb1 24.Be4 b5 25.Qa7 Qe4 26.Nf3 b4 27.Nd4 b3 28.Nb3 Rb3 29.h3 Qc2 30.Qe7 Rb2 31.Qf6 Bc4 32.Qb2 Qb2 33.Kh2 Bf1 34.f3 Qg2# 0–1. TONDA – jakesh, Live Game Caissa's Web, 2006.

6.Qd1 Bd6 7.a4 Ne7 8.h3 Be6 9.Nf3 Qd7 10.Be2 a6 11.b6 Nc8 12.a5 Nc6 13.0-0 N8e7 14.c3 h5 15.h4 (15.d4 e4 16.Ne1 cd4 17.cd4 Bh3-/+) 15...Nf5 (15...e4 16.Ne1-/+) 16.g3 (16.d3!?=+) 16...e4-/+ 17.Nh2 Ne5 (17...c4 18.Ra4-+) 18.d4 ed3! 19.Bd3 Nh6 (better 19...Nd3 20.Qd3 0-0-0-/+) 20.Qa4?? (better 20.e4 Nd3 21.Qd3-/+) 20...Nd3-+ 21.Qd7 Bd7 22.Ba3 Ke7 (22...0-0-0 23.Rd1 Bf5 24.Ra2-+) 23.Nd2 c4 (23...Rad8 24.e4 de4 25.Ne4-+) 24.Nhf3 (24.Bd6 Kd6 25.Kg2 Rhe8-+) 24...Ba3 25.Ra3 Ng4 (better 25...Bh3!? 26.Rfa1 Ng4 27.e4-+) 26.Nd4 Kd6 27.e4 Be6 28.ed5 (28.Raa1 Rhe8-+) 28...Bd5 29.f3 Ne3 30.Rb1 Rac8 31.Ne4 (31.Ra2 Rhe8-+) 31...Be4 32.fe4 Rhe8 33.Kh2 Re4 34.Kh3 Nf2 35.Kh2 Nfg4 36.Kh3 Nf5 (36...Nc2 37.Ra2 Nd4 38.Rd2-+) 37.Ra2 (37.Nf5 gf5 38.Ra2 Re3-+) 37...Nd4 38.cd4 (38.Rd2 Rc5 39.Ra1 Rd5 40.cd4 c3-+) 38...Rd4 39.Rc2 (39.Rc1 c3 40.Re2 Rd2-+) 39...Kd5 (better 39...c3!? 40.Re1-+) 40.Re1 Ne5 41.Kg2 c3 42.Re3 (42.Rf1-+) 42...Rd2 43.Rd2 cd2 (43...cd2 44.Rf3 Nf3 45.Kf3 d1Q 46.Ke3 Qb3 47.Ke2 Rc2 48.Ke1 Qb1) 0-1. kasperoff (1875) - Stefani06 (2120), Hourly Blitz Arena, lichess.org, 2020.

6.Qd1 Bd7 7.c4 dc4 (7...d4 8.Qf3 Qb6 9.Bd3=) 8.Bc4 Nh6 (8...Qb6 9.Nc3 Be6 10.Be6 Qe6 11.Qf3+=) 9.Qb3 (9.d4 cd4 10.ed4 Bb4 11.Bc3 Bg4+=) 9...Qc8 (9...a6 10.ba6 Na6 11.Nc3=) 10.Nc3 (better is 10.d4 cd4 11.ed4 ed4 12.Bd4+/–) 10...Ke7? (better is 10...Nf5+=) 11.Nd5+– Kd6 (11...Kd8 12.Nf6 Bg7 13.Be5+–) 12.Nf6 (12.d4 ed4 13.ed4 Bb5 14.dc5 Qc5 15.Bb5 Qd5 16.Ba3 Kc7 17.Qd5 Ba3+–) 12...Bg7 13.Ne4 Ke7 14.a4 (14.Nc5 Nf5+–) 14...Nf5 (14...Bf5 15.Nc5! Nd7 16.Nd7 Qd7 17.Nf3+–) 15.Nc5! b6? (15...Qc5 16.Ba3 Pinning (16.Ba3 Decoy)) 16.Ne4 (better is 16.Bd5 bc5 17.Ba8+–) 16...Rd8 (16...a6+–) 17.g4 (17.Ba3 Qc5 18.Nc5 bc5+–) 17...Nh4 (17...Be6 18.Ba3 Nd6+–) 18.Ba3 (better is 18.Qa3 Qc5 19.Nc5 Ng2 20.Kf1 Bg4 21.Ne6 Rd6 22.Ng7+–) 18...Ke8 19.Nd6 (19.Bf7) 19...Kf8 20.Nc8 Ke8 21.Bf7 1–0. GuestDLRG – GuestCNMQGGg, freechess.org, 2016.

6.Qd1 Be6 7.a4 Bg7 8.Nf3 Ne7 9.Be2 0-0 10.0-0= a6 11.d3 ab5 12.ab5 Ra1 13.Ba1 Qa5 14.Bc3 Qb5 15.d4= c4 16.de5 Nbc6 17.ef6 Bf6 18.Bf6 Rf6 19.Nc3 Qb4 20.Na2 Qb2 21.Nc1 h6 22.Nd2 Kg7 23.Bg4? Nf5 24.e4 Nfd4?? 25.Be6+– Re6 26.ed5 Re5 27.Nc4 Qc1 28.Ne5 Qf4 29.Nc6 bc6 30.dc6 Qd6 31.c7! Qc7 32.Qd4 (32.Qd4 Kg8 33.Rb1+–) 1–0. ATUK – drgib8, Live Game Caissa's Web, 2005.

6.Qd1 Bg7 7.c4 Ne7 8.Nf3 e4 9.Nh4 0-0 10.g3 d4 11.ed4 cd4 12.Ng2 Be6 13.Nf4 Bc4?? (better is 13...Bf7=+) 14.Bc4+– Kh8 15.Ne6 Qc8 16.Nf8 (better is 16.Qe2 Re8 17.Nd4+– (17.Bd4?! Nf5+/–)) 16...Qc4 17.Na3 Qd5 18.Ng6 hg6 19.0-0 Nd7 20.Qg4 (better is 20.f3 ef3 21.Qf3 Qf3 22.Rf3+/–) 20...f5?? (20...Ne5 21.Qh3 Kg8 22.Rfd1=) 21.Qh3?? (better is 21.Qh4 Kg8 22.Qe7+–) 21...Kg8+= 22.Qh4 Kf7 23.Qh3?? Rh8 24.Qg2 Ne5 25.Nc2? Nf3–+ 26.Kh1 Nh2 27.Qh2 Rh2 28.Kh2 Be5 29.Nb4?? Qd8 30.d3 Qh8 31.Kg2 Qh5 32.de4 fe4 33.Nc2 Qf3 34.Kg1 Qe2 35.Bd4=+ Bb8 36.Nb4?? Qb5 37.a3 Qg5 38.Be3 Qg4 39.Nc2 Nf5 40.Kg2? g5 41.Nd4 Nh4 42.Kg1?? Bg3 43.Nb5?? Bf2! 44.Kh1 Qg2 0–1. stoker – pita, Live Game Caissa's Web, 2004.

6.Qd1 Nh6 7.a4 Bg7 8.Nf3 0-0 9.d3 Nd7 10.Be2 Qe7 11.0-0 Re8 12.c4 d4 13.e4 Nf8 14.Nh4 (14.a5 Ne6=) 14...Kh8 15.Nd2 f5 16.ef5?? (better is 16.Nhf3=) 16...Qh4–+ 17.fg6 Ng6 18.Ne4 Rg8 19.g3 (19.Bc1 Qe7–+) 19...Qh3 20.Re1 Qe6 (20...Bf8 21.Bf1 Qf5 22.Bg2–+) 21.Bf1 (21.Nc5 Qf5–/+) 21...Bf6 22.Bc1–/+ Nf5 23.Bg5? Bg7 24.Qh5 Bd7 25.Nc5= Qe8 26.Ne4 Qc8 27.Nd6?? Qf8 28.Nf5? Bf5 29.Bh3? Bh3 30.Qh3 Ne7 31.Qe6 Nf5 32.Re5=+ Be5 33.Qe5 Ng7 34.Bf6 Re8 35.Qd4 Re6 36.Be5 h6 37.Re1= Qe8 38.Bg7 Rg7 39.Re6 Qe6 40.Qd8 Kh7–/+ 41.d4? Rd7 42.Qh4 Qe1 43.Kg2 Qe6?? 44.d5 Qg6 45.Qf4 Rf7 46.Qe3 Qf5 47.f4 h5 48.h4 Rg7 49.Qe6? Qc2 50.Kf3?? Qd3 51.Qe3 Qg6 52.f5?? Qg3–+ 53.Ke4 Rg4 54.Kd3–+ Qe3 55.Ke3 Rc4 56.d6 Rc8 57.d7?? Rd8–+ 58.Ke4 Rd7 59.Ke5 Kg7 60.Ke6 Rd4 61.f6 Kf8 62.Ke5 Rh4 63.Kf5 Ra4 64.Kg5 Ra5 65.Kh5 (65…Rb5 66.Kg4–+; 65.Kf4 Rb5 66.Ke4 a5–+). TIROLOCO – HOUDINI2, Live Game Caissa's Web, 2004.

6.Qf3 Qd6 7.Nc3 Be6 (7...Ne7 8.e4 d4 9.Nb1=) 8.Ba3 (8.Bc4 Nd7 9.Bd5 Bd5 10.Qd5 Qd5 11.Nd5 0-0-0+/-) 8...b6 (better 8...Nd7=+) 9.Bc4!+/- e4 (9...dc4 10.Qa8 Pinning (10.Qa8 Deflection)) 10.Ne4!+- de4 (10...Qd7 11.Nc3 Ne7+/-) 11.Qe4 Qe5 12.Qe5 fe5 13.Be6 Ke7 (13...Nf6+-) 14.Bd5 Nc6 15.Bc6 Rc8 16.Bb2 Kd6 17.Nf3 (17.f4!? Bg7 18.Nf3 Ne7 19.fe5 Ke6+-) 17…Nf6 1-0. Zpytasz (1715) - bkrrhanife2 (1845), Rated Rapid game, lichess.org, 2019.

6.Qh4 b6 7.f4 Bg7 8.fe5 fe5 9.Qd8 Kd8 10.Nf3 Nd7 11.Be2 Bb7 12.0-0 Kc7 13.a4 Ne7 14.c4 d4 15.ed4 cd4 16.Ng5 Bh6? 17.Nf7+– Bg7 18.Nh8 Rh8 19.d3 Bh6 20.Bf3 Be3 21.Kh1 Nc5 22.Bb7 Kb7 23.Rf7 Re8 24.Ba3 Nd3 25.Re7 Re7 26.Be7 Nf2 27.Kg1 d3 28.Nc3?? Ne4= 29.Kf1 Nc3 30.Bb4 Bd4?? 31.Bc3+/– Bc3 32.Rd1?? e4=+ 33.Kf2 Bd4 34.Kg3? Be5?? 35.Kf2= Bd4 36.Kg3 Be5 37.Kg4 Bh2?? 38.g3+= h5 39.Kf4 g5 40.Ke4 Bg3 41.Rd3 h4 42.Kf3 Be1? 43.Rd5+– h3? 44.Rg5 h2 45.Rh5 1–0. elsh1403 – psieczucie, internet, 2011.

6.Qh4 Qb6 7.a4 a6 8.c4 ab5 9.cb5 d4 10.Bd3 Be6 11.Bg6+= Ke7 12.Be4 Nd7 13.Nf3 Nh6? 14.ed4 cd4? 15.Ba3+– Nc5 16.d3 Ra4 17.Bc5 Qc5+= 18.Ra4 Qc1 19.Ke2 Qc2 20.Nfd2 Qa4 21.f4 Qb5 22.Na3 Qc5 23.Nac4 Bc4 24.Nc4 b5 25.fe5 Bg7 26.Nd6 Ra8?? 27.ef6+/– Bf6 28.Qh6 Ra2 29.Kf3 Qg5?? 30.Qh7 Kd6= 31.Rg1?? Qe3–+ 32.Kg4 Rf2 33.g3 Qg5 34.Kh3= Qd2 35.Rg2 Rg2 36.Bg2 Qg5 37.Qe4?? Qh5–+ 38.Qh4 Bh4 39.gh4 b4 40.Kg3 b3 41.Bf3 Qe5 42.Kf2 b2 43.Bd1 b1Q 44.h5 Qd3 45.h6 Qf4 46.Kg2 Qdd2 47.Kh3 Qdf2 48.Bg4 Qh6 49.Bh5 Qh5 0–1. elsh1403 – lolo40, internet, 2011.

6.Qh4 Ne7 7.Qf6+/– Rg8 8.Be5?? Nd7–/+ 9.Qf4 Ne5 10.d4 cd4 11.ed4 Nd7 12.Nf3 Nf5 13.Nc3?? Bh6 14.Qg4 Qa5 (14...Qa5 15.Rd1 Qc3 16.Nd2 Nd4–+) 0–1. elsh1403 (1635) – foortosh39, internet, 2011.

6.Qh4 Bf5 7.c4 A) 7...g5 8.Qh5 (8.Qg3) 8...Bg6 9.Qf3 Bf7 10.Nc3 d4 11.Nd5=; B) 7...Be6 8.cd5 Qd5 9.Nc3 Qd7 10.Rd1 Qf7 11.Nf3=; C) 7...d4 8.Be2 (8.e4 Be6 9.Qg3 Bh6 10.Qd3 Nd7 11.Nf3+=; 8.a3 a6 9.f4 ab5 10.e4 Be4 11.fe5–/+; 8.Na3 Bh6 9.ed4 ed4 10.0-0-0 a6 11.Re1+=; 8.a4 Qa5 9.e4 Be6 10.Qg3 Nd7 11.Be2–/+) 8...a6 9.Na3 Bh6 10.ed4 Qa5 11.Bc1+=.

6.Qh4 Nh6 7.Qa4 (7.e4 A) 7...de4 8.Qe4 Nf7= 9.Be2 Be6 10.Nf3 Nd6 11.Qa4=; B) 7...d4 8.Be2 (8.Bc4 Nf7 9.Bf7 Kf7 10.Nf3 Qd7 11.a4+=; 8.Na3 Nf7 9.Nf3 Be7 10.Bc4 Nd6 11.Qh6+=; 8.Bd3 Nf7 9.Na3 Be7 10.Qg3 Nd6 11.c3+=; 8.Nf3 Nd7 9.Be2 Nf7 10.0-0 Be7 11.Qg4+=) 8...f5 9.Qd8 Kd8 10.d3 a6 11.ba6+=; C) 7...Be6 8.Nc3 d4 9.Nd5 Bd5 10.ed5 Nd7 11.c3+=; 7.Nc3 A) 7...Nf5 8.Qa4 d4 9.Ne4 Nd7 10.Qb3 Nb6 11.Nf3=; B) 7...Bg7 8.e4 (8.Nge2 Be6 9.Ng3 Bg4 10.Nge2 a6 11.a4+=; 8.f4 Be6 9.Nge2 Nf5 10.Qf2 d4 11.Ne4+=; 8.Be2 Be6 9.f4 Nf5 10.Qf2 Nd6 11.Nf3+=; 8.Qa4 Be6 9.e4 d4 10.Nce2 Nd7 11.Ng3–/+) 8...d4 9.Nb1 f5 10.Qd8 Kd8 11.ef5+=; C) 7...d4 8.ed4 (8.Ne4 Nd7 9.Be2 Nf5 10.Qh3 Be7 11.Qf3+=) 8...cd4 9.Ne4 Nd7 10.f4 Nf5 11.Qf2+=; D) 7...Bf5 8.e4 (8.Rc1) 8...de4 9.Ne4 Nd7 10.Bc4 Ng4 11.f3=; E) 7...Be6 8.e4 d4 9.Nd5 Bd5 10.ed5 Nd7 11.c3+=) 7...b6 (7...Nd7 8.d3 (8.Be2 Nf5 9.Nc3 Nb6 10.Qa5 Nd6 11.d3+=; 8.Nf3 Nb6 9.Qa5 Bd6 10.d3 a6 11.c4+=; 8.Nc3 Nb6 9.Qa5 Bf5 10.Rc1 Bd6 11.Nf3+=; 8.d4+= Bd6 9.de5 fe5 10.e4 Nb6 11.Qb3+=) 8...Nb6 9.Qa5 Nf5 10.Nf3 Bd7 11.g4+=; 7...Bf5 8.Nf3 (8.d4 ed4 9.ed4 Nd7 10.dc5 Bc5 11.Be2+=; 8.Nc3 d4 9.Nce2 Nd7 10.Ng3 Be6 11.c3+=; 8.c4 d4 9.ed4 ed4 10.Be2 Bd6 11.Nf3–/+; 8.d3 Nd7 9.Nf3 Nb6 10.Qa5 d4 11.e4+=) 8...Nd7 9.d3 Nb6 10.Qa5 d4 11.e4+=; 7...Be6 8.Nf3 (8.e4 Nd7 9.ed5 Nb6 10.Qa3 c4 11.Qe3–/+; 8.d4 cd4 9.ed4 Nd7 10.Ne2 Nf7 11.Qb3+=; 8.Be2 Nd7 9.Nf3 c4 10.d4 a6 11.Bc1+=; 8.Nc3 Nd7 9.Nf3 Bd6 10.Be2 Nb6 11.Qa5+=) 8...Nd7 9.Be2 Nb6 10.Qa5 d4 11.e4+=; 7...Nf7 8.d4 (8.c4 d4 9.Be2 Bf5 10.Nf3 e4 11.Ng1–/+; 8.Be2 Nd7 9.Nc3 Nb6 10.Qh4 Nd6 11.e4+=; 8.e4 d4 9.Ne2 Be6 10.Ng3 Nd7 11.c3–/+; 8.Nc3 Be6 9.Nf3 Nd7 10.Be2 Nb6 11.Qa5–/+) 8...Nd7 9.de5 fe5 10.e4 Nb6 11.Qa5+=; 7...Bg4 8.Nc3 (8.e4; 8.c4; 8.d4; 8.h3) 8...Be6 9.d4 Nd7 10.de5 fe5 11.Nf3+=) 8.Be2 (8.e4 d4 9.Bc4 Bb7 10.d3 Nf5 11.Nf3=) 8...Be6 (8...Bd6 9.c4 Bb7 10.cd5 Bd5 11.e4=) 9.Nf3 Bd6 (9...Bg7 10.e4 de4 11.Qe4=) 10.d3 (10.e4 a6+= 11.0-0+=) 10...Nd7 (10...a6 11.ba6=) 11.Nbd2 (11.c4=) 11...Qe7 (11...a6 12.c4=) 12.c3 (12.0-0 0-0=) 12...0-0 13.h4 f5 (13...a6 14.ba6 Nb8 15.c4=) 14.Ng5 Nf6 (14...a6 15.Ne6 Qe6 16.c4=) 15.h5+= Nfg4 (better is 15...Nh5!? 16.Ne6 Qe6 17.Bh5 gh5 18.Rh5 Ng4+=) 16.Ne6+/– Qe6 17.Qb3 (better is 17.hg6!? Qg6 18.Qb3+/–) 17...g5+= 18.Bf3 (18.c4 d4 19.Bf3+=) 18...Nf6 (better is 18...e4!? 19.de4 Nf2 20.Kf2 fe4+=) 19.c4+/– Rad8 20.Bd5 Nd5 21.cd5 Qd7 22.Nf3 Nf7 23.a4 Bb8 (23...h6 24.a5+/–) 24.d6! Qd6 (24...Bd6 25.Ng5; 24...Qd6 25.Ne5) 25.Ne5 Qd5 26.Nc6 Rfe8 (26...Qb3?? 27.Ne7) 27.Qd5 Rd5 28.0-0-0 h6 29.Kc2 Rd7 30.d4 cd4 (30...Bd6 31.Rd2+–) 31.Rd4 Rb7 32.Rhd1 Be5 33.Rd7 Rd7 34.Rd7 Bb2 35.Kb2 f4 36.Re7 Re7 37.Ne7 Kf8 (37...Kg7 38.Nc8+–) 38.Ng6 (38.Ng6 Kg7 39.ef4+–) 1–0. Mroz,Antoni – Swedziol,Lucjan, corr Poland–Cp, 1986.

6.Qf3 Bf5

7.Nc3 e4 8.Qe2 Ne7=.

7.Nc3 e4 8.Qe2 Nh6 9.d3=.

7.c4 Be4 8.Qg3 d4 9.d3=+.

7.c4 Be6 8.cd5 Bd5 9.Qd1 c4 10.Nc3 Bb4 (10...Be6!?=) 11.Nd5+/– Qd5 12.Rc1 a5 (better is 12...Qb5!? 13.Bc4 Qd7+/–) 13.Nf3+– c3 14.dc3 Qa2?? (better is 14...Qd1 15.Rd1 Be7+–) 15.cb4 Ne7 16.Qd2 0-0 (16...ab4 17.Bc4 Qa5+–) 17.Bc4 Qc4 18.Rc4 Nf5 19.Qd5 Rf7 20.Ng5! fg5 (20...fg5 21.Rc8 Double attack (21.f4 Decoy)) 21.Qe5 Re7 (21...Rf6 22.Rc8 Kg7 23.Qf6 Kh6 24.h4 gh4 25.Rh4 Nh4 26.Qh4) 22.Rc8 Kf7 (22...Re8 23.Qe8) 23.Qf6 1–0. marekt – wat, ChessWorld.net, 2004.

6.Qh4 c4

7.Nf3 Qd6 8.d3 Be7 9.dc4+/– dc4 10.Bc4 Nd7 11.Ba3 Nc5 12.Bg8 Rg8 13.Qh7 Kf8? 14.0-0 Bf5 15.Nbd2 Rg7 16.Qh4 b6 17.Rfd1 Qe6 18.Bc5 bc5 19.Qa4 Rh7 20.Nc4 Be4? 21.Ne1 Qg4? 22.b6 ab6+/– 23.Qd7 Qh5 24.h3 Rd8 25.Qg4 Rd1 26.Qh5?? Re1!–+ 27.Re1 Rh5 28.Nb6 Bc2 29.Nd7 Ke8 30.Nc5 Bc5 31.Rc1 Be3! 32.Rc2 Bd4 33.Rc6 Ke7 34.a4 e4 35.a5? Ra5 36.Rc1 1–0. elsh1403 – droid, internet, 2011.

7.f4 e4 8.Nh3 Be7 9.Qg3 Bh3 10.Qh3 Nd7 11.Nc3 Nb6 12.a4 Bf8? 13.a5+– Nc8 14.Qe6 Qe7 15.Qd5 Bg7 16.Qe4 Nd6 17.Qe7 Ne7 18.Be2 0-0 19.0-0 Rad8 20.Rfb1 Ndf5? 21.Ne4 Nd6 22.Nd6 Rd6 23.Bc4 Kh8 24.d3 Nd5 25.Bd5 Rd5 26.e4 Rb5 27.Bf6 Rb1+/– 28.Rb1 Bf6 29.Rb7 Rc8?? 30.e5+– Bd8 31.Ra7 Rc7 32.Ra8 Rd7 33.a6 Kg7 34.a7 Bb6 35.Kf1 Ra7 36.Ra7 Ba7 37.Ke2 Kf7 38.Kd2 Ke6+/– 39.Ke2 (39.Ke2 Kf7 40.Kf3+–) 1–0. elsh1403 – prastas, internet, 2011.

6.Qh4 d4

7.Bc4 Bg7 8.Nf3 Nd7 9.Bg8 Rg8 10.Qh7 Kf7 11.Nh4?? Ke7 12.Ng6+– Kd6 13.ed4 cd4? 14.Ba3+– Kc7?? 15.0-0 b6 16.c3 Nc5 17.cd4 ed4 18.Qh4 Bd7 19.Qd4 f5 20.Qf4 Kc8 21.Nc3 Bc3+/– 22.dc3 Rg6= 23.Rfd1 Qg8 24.Qf3 Rb8 25.Bc5 bc5 26.Rd7 Kd7 27.Qc6?? Rc6–+ 28.Rd1 Kc7 29.bc6 Kc6 (29...Kc6 30.Re1 Qa2–+) 0–1. elsh1403 – enkost, internet, 2011.

7.Bd3 Kf7 8.f4 Be7 9.Bc4 Be6 10.Be6 Ke6 11.Nf3 f5 12.Qg3 e4 13.Ng5 Bg5 14.fg5 Ne7 15.ed4 cd4 16.0-0 Qd5 17.Na3 Nd7 18.Rae1 Raf8 19.c4 Qc5 20.d3 e3?? 21.Rf4 Qb4 22.Bd4 Qa3 23.Re3 Kf7+/– 24.Bh8 Qc5?? 25.Rd4 Rh8 26.Rd7 Re8 27.Qe5 Qe5 28.Re5 h6 29.gh6 Kf6 30.d4 g5 31.h7 Rh8 32.Rde7 g4 33.R5e6 Kg5 34.Rg7 Kf4 35.Ree7 b6 36.Rg8 Rh7+– 37.Rh7 Ke4 38.Ra7 Kd4 39.Rf8 Ke4 40.Raf7 g3 41.hg3 Kd4 42.Rf5 Kc4 43.a4 Kb4 44.Rf4 Kb3 45.Re8 Ka3 46.Re3 Kb2 47.Rf2 Kc1 48.Re1 1–0. elsh1403 – jajele (1720), internet, 2011.

7.Bd3 Kf7 8.f4 Be7 9.fe5 fe5 10.Qf2 Kg7 11.Nf3 Qd5 12.0-0 Bg4? 13.ed4+– cd4? 14.c4 dc3 15.Bc3 Bc5 16.Be5 Nf6 17.Nd4?? Qe5–+ 18.Kh1 Bd4 19.Qh4 Ba1 20.Nc3 Bc3 21.dc3 Nbd7 22.Re1 Qc3 23.Re7 Kf8 24.Qh6 Ke7 25.Qe3 Qe5 (25...Qe5 26.Qe5 Ne5–+) 0–1. elsh1403 – jajele (1740), internet, 2011.

6.Qh4 Bd6

7.Nf3 Ne7 8.Be2 0-0 9.0-0 Nd7 10.c4? Nb6 11.cd5=+ Nf5 12.Qe4 Bc7 13.Nc3 Qd6 14.a4 Rd8 15.Bc4 Ne7 16.a5 f5 17.Qh4 Nc4= 18.Qc4 e4 19.Ne4 fe4 20.Be5? ef3?? 21.Bd6+– Bd6 22.gf3 Bh3 23.Rfe1 Rf8 24.f4 Rf5 25.d4 Rd5?? 26.dc5 Bc5 27.e4 Rc8 28.Qb3 Be6 29.ed5 Bd5 30.Qh3 Nf5 31.Re5 Rd8 32.Qd3 (32.Qd3 Bd4 33.Rf5+–) 1–0. elsh1403 (1640) – lug (1720), internet, 2011.

7.f4 d4 8.Nf3 Be6 9.Bd3 Ne7?? 10.fe5 fe5 11.0-0 Nf5 12.Qd8 Kd8 13.ed4 Nd4 14.Nd4 ed4= 15.c3 dc3 16.Bc3 Rf8 17.Na3 Nd7 18.Nc4 Bc4 19.Bc4 Kc7 20.a4 Ne5 21.Bd5 Rad8 22.d4 Ng4 23.Rf7?? Rf7–+ 24.Bf7 Bh2 25.Kh1 Bd6 26.Rc1 b6 27.dc5 Bc5 28.Be1 Rd4 29.Bg3 Kd7 30.Re1 Ra4 31.Be6 Kd8 32.Bg4? Rg4–+ 33.Bb8?? Ra4 34.Kh2 h5 35.Re6 g5 36.Rg6 g4 37.Rh6 Kc8 38.Rh5?? Kb8–+ 39.Rh8 Kc7 40.Rh7 Kd6 41.Rh6 Ke5 42.Rh5 Kf4 43.Rh4 Bf2 44.g3 Bg3 (44...Bg3 45.Kg2 Ra2 46.Kg1 Kf3 47.Rg4 Ra1) 0–1. elsh1403 – 01pet (1835), internet, 2011.

6.Qh4 Be6

7.Nc3 A) 7...Bg7 8.Nf3 (8.Nge2 Nd7 9.Qg3 f5 10.f4 d4 11.Nd1–/+; 8.d4 cd4 9.ed4 Nd7 10.Rd1 Qa5 11.Nge2+=; 8.Be2 Ne7 9.f4 Nd7 10.Nh3 Nf5 11.Qf2+=; 8.f4 Ne7 9.Be2 Nd7 10.Nh3 Nf5 11.Qf2+=) 8...Ne7 9.e4 d4 10.Nb1 0-0 11.a4+=; B) 7...Be7 8.Be2 (8.Nf3 e4 9.Ng1 f5 10.Qg3 Bd6 11.f4+=; 8.Bd3 f5 9.Qh3 d4 10.ed4 cd4 11.Nd1+=; 8.f4 Nd7 9.Be2 d4 10.Nd1 Qa5 11.ed4+=; 8.Nge2 d4 9.Nd1 Nd7 10.f4 Qa5 11.Nc1+=) 8...Nd7 9.Nf3 e4 10.Ng1 f5 11.Qg3+=; C) 7...Nh6 8.e4 d4 9.Nd5 Bd5 10.ed5 Nd7 11.c3+=; D) 7...d4 8.Ne4 (8.Nd1 Nh6 9.Bd3 Nf5 10.Bf5 Bf5 11.e4–/+; 8.ed4 cd4 9.Ne4 Be7 10.Qg3 Nd7 11.Ba3–/+; 8.Nb1 Nh6 9.e4 Nd7 10.Na3 f5 11.Qh3+=) 8...Be7 9.Nh3 Qd7 10.f3 a6 11.a4+=; E) 7...Nd7 8.Be2 (8.Nge2 Qa5 9.Ng3 0-0-0 10.f4 Be7 11.Bd3+=; 8.f4 Bd6 9.Be2 ef4 10.ef4 Ne7 11.Bg4+=; 8.Nf3 Ne7 9.Qa4 Nf5 10.Be2 Nb6 11.Qa5–/+; 8.Qg3 Ne7 9.Qf3 h5 10.h3 Qa5 11.e4+=) 8...Ne7 9.f4 Nf5 10.Qf2 ef4 11.Qf4+=.

7.Be2 A) 7...Nd7 8.Nh3 (8.Nc3 Ne7 9.f4 Nf5 10.Qf2 ef4 11.Qf4+=; 8.f4 Be7 9.Nh3 Qa5 10.0-0 Qb4 11.Bc1+=; 8.e4 Ne7 9.c4 de4 10.Qe4 Qc7 11.Nf3+=) 8...Nh6 9.f4 Nf5 10.Qf2 Nd6 11.fe5+=; B) 7...Be7 8.Nc3 (8.Bd3 e4 9.Be2 h5 10.f3 f5 11.Qh3+=; 8.f4 Nd7 9.Nh3 Qa5 10.0-0 Qb4 11.Bc1+=; 8.Nf3 e4 9.Ng1 h5 10.f3 f5 11.Qh3+=; 8.a3 a6 9.Nf3 e4 10.Ng1 ab5 11.Nc3+=) 8...d4 9.Nd1 Bd5 10.Qh3 Qd7 11.Qd7+=; C) 7...Bd6 8.e4 (8.Nf3; 8.c4; 8.Nc3; 8.Bg4) 8...a6 9.Nc3 d4 10.Nd5 Bd5 11.ed5=; D) 7...Bg7 8.Qa4 (8.Nf3 e4 9.Ng1 Nh6 10.f3 Nf5 11.Qf2+=; 8.Nc3 Ne7 9.f4 Nd7 10.Nh3 Nf5 11.Qf2+=; 8.f4 Nd7 9.Nh3 Bf5 10.Na3 Qa5 11.Nf2+=; 8.a3) 8...Ne7 9.Nf3 e4 10.Ng1 0-0 11.d3=; E) 7...Nh6 8.Qa4 (8.Nc3 Nf5 9.Qa4 Nd7 10.Nf3 c4 11.Ba3+=; 8.Nh3 Nf5 9.Qa4 Nd7 10.0-0 c4 11.Ba3–/+; 8.Na3 c4 9.e4 a6 10.ba6 Ra6 11.Rb1–/+; 8.g4 Nf7 9.f4 Nd7 10.Nh3 Be7 11.Qg3+=) 8...Nd7 9.Nf3 Nb6 10.Qa5 d4 11.e4+=.

7.e4 A) 7...g5 8.Qh5 Bf7 9.Qf3 Nh6 10.ed5 Bd5 11.Qe2=; B) 7...Bh6 8.ed5 (8.Nf3 Bf4 9.ed5 Bd5 10.Ng1 Qa5 11.Qh3+=; 8.Nh3 Qd7 9.ed5 Qd5 10.d3 a6 11.Nc3+=) 8...Bd5 9.Nh3 Qd6 10.Bc1 Ne7 11.Nc3=; C) 7...Nh6 8.Nc3 d4 9.Nd5 Bd5 10.ed5 Nd7 11.c3+=; D) 7...de4 8.Nc3 (8.Qe4) 8...Qd4 9.Qe4 Qe4 10.Ne4 Nd7 11.Nf3=; E) 7...d4 8.Nf3 (8.Na3 Qa5 9.c4 dc3 10.dc3 Qa4 11.Bc1–/+; 8.Be2 c4 9.Nf3 a6 10.Ba3 ab5 11.Bf8–/+) 8...c4 9.a4 a6 10.Na3 ab5 11.ab5+=.

7.Nf3 Bd6 8.Be2 e4 9.Ng1 Nd7 10.f3 g5 11.Qh5=.

7.Nf3 Bd6 8.Be2 Ne7?? 9.0-0 Nd7 10.d3 Nf5 11.Qa4 Nb6 12.Qa5 0-0 13.Nbd2 Qc7 14.Rac1 Ne7 15.h3 Kg7 16.c4 d4 17.Ne4 f5 18.Nd6 Qd6 19.Ng5 h6 20.Ne6 Qe6 21.f4 ef4 22.ed4 Qe2 23.Rf2 Qd3 24.dc5 Kg8 25.cb6 ab6 26.Qb4 Rfe8?? 27.Re1 Kf7+/– 28.Rfe2 Qd7?? 29.Qc3 Rg8 30.Qf6 Ke8 31.Re7 Kd8 32.Rd7 Kd7 33.Rd1 Kc7 34.Be5 Kc8 35.Qe6 1–0. elsh1403 (1635) – lug (1725), internet, 2011.

7.Nf3 Bd6 8.Be2 Ne7?? 9.0-0 Nf5=+ 10.Qa4 Nd7 11.c4 Nb6 12.Qa5 Nc4–+ 13.Bc4?? Qa5 (13...Qa5 14.Be2 0-0–+; 13...dc4?! 14.Qa4 0-0 15.Na3–/+) 0–1. elsh1403 (1625) – lug (1735), internet, 2011.

7.Nf3 Nd7 8.Bd3 (8.Be2 e4 9.Ng1 Nh6 10.f3 Nf5 11.Qf2+=; 8.Qa4 d4 9.e4 f5 10.d3 Ngf6 11.Ng5+=; 8.a3 e4 9.Ng1 Nh6 10.f3 Nf5 11.Qf2+=; 8.Nc3 Ne7 9.e4 d4 10.Nb1 c4 11.Na3–/+) 8...Nh6 9.e4 g5 10.Qg3 de4 11.Be4=.

7.Nf3 e4 8.Ng1 Bd6 9.f3 h5 10.fe4 g5 11.Qf2=.

7.Nf3 Be7 8.a3 (8.d4 ed4 9.ed4 c4 10.a4 a6 11.Qf4+=; 8.Nc3 e4 9.Ng1 f5 10.Qg3 Bd6 11.f4+=; 8.Be2 e4 9.Ng1 h5 10.f3 f5 11.Qh3+=; 8.Qa4 Nd7 9.Be2 Nb6 10.Qa5 e4 11.Ng5–/+) 8...Nd7 9.Be2 e4 10.Ng1 Nb6 11.Nc3+=.

7.Nf3 Bg7 8.Be2 Ne7 9.0-0 Nd7 10.d3 0-0 11.Nbd2 Nf5 12.Qa4 Nb6 13.Qa3 Qd7 14.Qc5 Rfc8 15.Qa3 Rc2 16.Rfc1 Rc1 17.Rc1 Qb5 18.Rc5 Qd7 19.d4 Bf8 20.Bb5 Qd8 21.Qc3 Bc5 22.dc5 Rc8 23.Ne5 fe5?? 24.Qe5= Qe7 25.Qh8 Kf7 26.Qh7 Kf8 27.Qg6 Rc5 28.Bd3? Ng7?? 29.Nb3 Rc6=+ 30.Nd4 Rd6 31.Ba3 Nc8 32.Bd6 Nd6 33.g3 Qf7 34.Qh6 Ne4 35.Qh8 Ke7 36.Be4 de4 37.Qh4 Qf6 38.Qe4+/– Nf5? 39.Qb7+– Bd7 40.Qe4 Kf7 41.Qd5+– Be6 42.Qb7 Kg6? 43.Qa7 Nd4 44.ed4 Bd5 45.Qc5 Qf3 46.Qd6 Kf7?? 47.Qd7 Kf8= 48.Qd8 Kg7 49.Qe7 Kg6 (49...Kg6 50.Qd6 Kf7 51.Qf4 Qf4 52.gf4 Ba2+–). elsh1403 – lakyluciano (1620), internet, 2011.

7.Nf3 Nh6 8.Qa4 Nd7 9.Be2 Nb6 10.Qa5 d4 11.e4+=.

7.f4 Bd6 8.Nf3 e4 9.Ng1 Nd7 10.Nh3 Qe7 11.Ng5?? fg5–+ 12.fg5 Be5 13.Nc3 Qg7 14.Be2 Ne7 15.0-0 0-0-0 16.a4 Nf5 17.Qe1 h6 18.a5 hg5 19.h3 Ng3 20.Rf2 g4! 21.Bg4 Bg4 22.Nd5 Bb2 23.Rb1 Be5 24.b6 a6 25.d4 cd4 26.c4 de3 27.Qe3 Bh3! 28.c5 Be6 29.Nf4 Rh1 0–1. elsh1403 (1645) – lug (1715), internet, 2011.

7.f4 Nd7 8.fe5 (8.Nc3 Ne7 9.fe5 Nf5 10.Qf2 fe5 11.Nf3+=; 8.Be2 Be7 9.Nh3 Qa5 10.0-0 Qb4 11.Bc1+=; 8.Ne2; 8.Nf3) 8...Ne5 9.Be2 Nh6 10.Nf3 g5 11.Qa4=.

7.f4 Be7 8.Nf3 f5 9.Qf2+= e4? 10.Ng5+– Qb6? 11.Bh8 Nf6 12.Ne6 Qe6 13.Be2 Nbd7 14.0-0 0-0-0 15.a4 Rh8 16.Na3 d4 17.ed4 cd4 18.c4?? d3–+ 19.Bd1?? Bc5 0–1. elsh1403 – 18smok (1740), internet, 2011.

7.f4 ef4 8.ef4 (8.Qf4) 8...d4 9.Nf3 Nh6 10.Bd3 Nf5 11.Bf5=.

6.Qh4 Be7

7.Nf3 Nd7 8.Be2 f5 9.Qa4 Bf6= 10.0-0? Ne7?? 11.c4 d4 12.ed4 cd4 13.d3 0-0 14.Nbd2 Nc5 15.Qc2 b6 16.a4 Bb7 17.Ba3 e4 18.Ne1 e3 19.Nb3 ef2 20.Rf2 Rc8 21.Nc5 bc5 22.Bf3 Bf3 23.Nf3 Re8 24.Re1 Kg7 25.Bc1 Ng8 26.Rfe2 Re2 27.Qe2 Nh6 28.Bh6 Kh6 29.Qd2 Kg7 30.Qf4 Qc7 31.Qc7 Rc7 32.Ne5 Be5 33.Re5 Kf6 34.Re8 g5 35.Kf2 f4 36.Kf3 h5 37.h3 Kf5 38.g4 hg4 39.hg4 Kf6 40.Rf8 Kg7 41.Re8 Kf6 42.Rf8 Kg7 43.Rf5 Kg6 44.Rd5 Rh7?? 45.Rc5 Rh3 46.Ke2?? Rg3 47.Rd5 Rg4 48.Rd4?? Rg2?? 49.Kf3 Ra2 50.c5 Kf5 51.Rd5 Kf6 52.c6 Rc2 53.a5 Rb2?? 54.c7 Rc2 55.Rd7 (55.Rd7 Ke6 56.Rg7+–) 1–0. elsh1403 – lechupl1, internet, 2011.

7.Nf3 e4 8.Ng1 f5 9.Qg3 Bf6 10.c3 c4 11.Ne2 Bd7 12.Nd4 Bd4 13.cd4 Qe7?? 14.a4?? Nf6 15.Nc3 a6 16.Be2 ab5 17.ab5 Ra1 18.Ba1 0-0 19.0-0 Qb4? 20.Rb1 Qa3 21.Bb2 Qa5 22.Bc1 Qd8 23.Qe5 Be8 24.Ba3 Rf7 25.Na4 Nbd7 26.Qd6 Qa5 27.Bd1 Qd2 28.Nc5?? Nc5 29.dc5 Ng4 30.Qg3?? Qa2 31.Bg4 Qb1 (31...Qb1 32.Bc1 Qc1 33.Bd1 Qd1; 31...Qa3?! 32.Qb8 Rf8 33.Qb7–/+) 0–1. elsh1403 – mission2010 (1730), internet, 2011.

7.Nf3 Bf5 8.Be2 Bc2 9.0-0 Bf5 10.Nc3 d4 11.ed4 cd4 12.Ne4 Nd7 13.Ng3 Be6 14.Bd3 f5 15.Qh3 Ngf6 16.Ng5 Bd5 17.Rfe1 Nc5 18.Bf5–/+ gf5 19.Nf5 Be6?? 20.Re5 Qc8?? 21.Rae1 Kd7 22.Ne6 Ne6 23.Re6 Bb4 24.Bd4 Re8 25.Bf6 Re6 26.Qd3 Kc7 27.Qc4 Rc6 28.Be5 Kb6 29.Bd4 Ka5 30.Qb3 Rc1–+ 31.Rf1 Rf1 32.Kf1 Qc1 33.Ke2=+ Qd2 34.Kf3 Qd4?? 35.Qe3 Qe3 36.Ke3 Re8 37.Kf3 Rf8 38.Kg4 Rf5! 39.Kf5 Kb5 40.g4 Kc5 41.f3 Bc3 42.h4 Kd4 43.h5 Ke3 44.f4 Kf3 45.g5 Kg3 46.g6 hg6 47.hg6–/+ Kf3 48.g7?? Bg7–+ 49.Kg6 Bh8 50.Kh7 Bg7 51.Kg7?? Kf4–+ 52.Kf6 Ke4 53.Ke7 Kd4 54.Kd7 Kc4 55.Kc7 Kb4 56.Kb7= Ka3 57.Ka7 Ka2 ½–½. elsh1403 – jirka67 (1650), internet, 2011.

7.f4 Nd7 8.Nf3 d4 9.Bc4 Nb6 10.Bg8 Rg8 11.fe5 fe5 12.Qh7 Be6 13.0-0 Qd5 14.ed4 cd4 15.Re1 Bf6 16.c3 0-0-0 17.cd4 e4 18.Nc3 Qd7?? 19.Ne4?? Qh7–+ (19...Qh7 20.Nf6 Qf7 21.Rac1 Kb8–+) 0–1. elsh1403 – jajele (1750), internet, 2011.

6.Qh4 Bg7

7.c4 d4 8.ed4 ed4 9.Qe4 Ne7 10.Nf3 0-0 11.Bd3 Re8 12.0-0 Nec6 13.Qd5 Qd5 14.cd5 Nb4 15.Bc4 Nc2 16.d3 Na1 17.Nbd2 Bg4 18.Ra1 a6 19.h3? Bf3 20.Nf3 Nd7 21.d6 Kf8 22.a4 Ne5 23.Bd5? ab5–+ 24.ab5 Ra1 25.Ba1 Nf3 (25...Nf3 26.Bf3 Re1 27.Kh2 Ra1 28.Bb7 Ke8–+) 0–1. elsh1403 – lakyluciano (1610), internet, 2011.

7.Be2 Ne7 8.Nf3 Nf5 9.Qa4=+ b6 10.0-0 0-0 11.c4 d4 12.ed4 ed4= 13.d3 Bb7 14.Nbd2 Nd7 15.Qc2 Qc7 16.Ne4 Rae8 17.g3 Nd6 18.Nd6 Qd6 19.Bc1 Ne5 20.Ne5 Qe5 21.Re1 g5 22.f4 Qf5 23.Bd2 h6 24.Bf1 Qg4 25.Bg2 Bg2 26.Kg2 h5 27.fg5 fg5 28.Re8 Re8 29.Rf1 Re2–+ 30.Rf2 h4 31.Re2?? Qe2 32.Kg1 Be5 33.Qc1 h3 34.Qf1 Qd2 35.Qf3 Kg7 36.Qb7=+ Kg6 37.Qc6?? Bf6–+ 38.Qe4 Kh6 0–1. elsh1403 – fshutslonca (1635), internet, 2011.

7.Nf3 Be6 8.Be2 Nd7 9.0-0 f5 10.Qa4 Nb6 11.Qa5 Qd6 12.d3 Ne7 13.Rd1 0-0 14.c4 d4 15.ed4=+ cd4 16.Ba3 Qd7 17.Qb4 Rfe8 18.Ng5 h6 19.Ne6 Qe6 20.Nd2 Bf8 21.Qb3 Kh7 22.Re1 Nec8 23.Bf3 Rb8? 24.Rac1 Ba3+= 25.Qa3 Nd7 26.Qb2 Qd6 27.a4 b6 28.Nb3 Ne7 29.h3 Nf6 30.Rc2 Rbc8 31.Rce2 Neg8 32.Bc6 Re7 33.Nd2 Rcc7 34.Nf3 g5? 35.Ne5 Nh5 36.Nf3 Re2 37.Re2+– Nf4 38.Rd2 Re7 39.Qd4 Qd4 40.Nd4 Nf6 41.Nf5 Re1 42.Kh2 Kg6 43.Ng3 N6h5 44.Nh5 Nh5 45.Be4 Kf6 46.d4 Nf4?? 47.f3 Ra1 48.d5 Ra4 49.d6 Ne6 50.d7 Nd8 51.Ba8 Rc4 52.Re2 Ne6?? 53.Re6! (53.Re6 Ke6 54.d8Q+–) 1–0. elsh1403 – psieczucie, internet, 2011.

7.Nf3 Be6 8.Be2 Ne7 9.0-0 Nf5 10.Qa4 0-0 11.c4 b6 12.Nc3 d4= 13.Ne4 Nd6 14.Nd6 Qd6 15.Qc2 Nd7 16.a4 f5 17.ed4 ed4 18.Ng5 Rae8 19.Ne6 Qe6 20.Bf3 Qf6 21.Bd5 Kh8 22.a5 Qh4 23.ab6 ab6 24.Ra7 Be5 25.h3 Nf6 26.Rf7?? Ne4 27.Rf8= Rf8 28.Qd3 Qf4–/+ 29.g3 Qd2 30.Be4 Qb2 31.Bd5 f4 32.Qe4 fg3?? 33.Qe5 Rf6 34.Qf6 1–0. elsh1403 – talnahaju, internet, 2011.

7.Nf3 Ne7 8.d4?? Nf5–+ (8...Nf5 9.Qg4 Ne3–+) 0–1. elsh1403 – talnahaju, internet, 2011.

7.Nf3 Ne7 8.Be2 0-0 9.0-0 b6 10.Qa4 Nd7 11.c4 d4 12.ed4 ed4 13.Qc2 Bb7 14.Ne1 Ne5 15.d3 f5 16.Nd2 Qc7 17.Bc1 Rae8 18.f4 Ng4 19.Ndf3 Ne3 20.Be3 de3 21.Ng5?? Ba1–+ 22.Ne6 Qd7 23.Nf8 Rf8 24.Bf3 Bd4 25.Qe2 Re8 26.Bb7 Qb7 27.Nf3 Nc8 28.Ng5 h6 29.Nf3 Nd6 30.Kh1 a6 31.a4 ab5 32.cb5 Ra8 33.Qa2 Kg7 34.Ne5 Be5 35.fe5 Nf7 36.e6 Ne5 37.Qa1 Kf6 38.d4 Nd3 39.d5 Ne5 40.Re1 Qd5 41.Re3 Qe6 42.h3 Rd8 43.Kh2 Qd5 44.a5 Re8 45.ab6 Kg5 46.b7 Qb7 47.Qc1 Kf6 48.Qc3 (48.Qc3 Qb5 49.Qc1–+). elsh1403 – marki37 (1680), internet, 2011.

7.Nf3 Ne7 8.Be2 0-0 9.0-0 Bf5 10.c4 d4 11.ed4 cd4 12.c5 Nd7 13.Bc4 Kh8–/+ 14.Ba3 a6 15.b6? Nc6?? 16.d3 Qe7 17.Nbd2 Be6?? 18.Rfe1 Rfe8 19.Ne4 Bc4 20.dc4 f5 21.Nd6 Qh4 22.Nh4 Reb8 23.Rad1 Bf6 24.Nf3 a5 25.Nd2 a4 26.Nb1 Ra5 27.Nb5 Re8?? 28.Nd2?? Re7 29.Nf1 Ra8 30.Ng3 Kg7 31.Nd6 Rb8 32.f3 h6 33.Kf2 Bg5 34.Ne2 Be3 35.Kf1 Bg5 36.Ng3 Re6 37.Nb5 Be7 38.Nd6 Bd6 39.cd6 Nb6 40.c5 Nd7 41.Rb1 b5 42.Rb2 (42.Rb2 b4 43.Bb4 Rb4 44.Rb4 Nb4 45.Rb1–+). elsh1403 – antoniusz555, internet, 2011.

7.Nf3 Ne7 8.Be2 Nf5 9.Qa4=+ b6 10.0-0 0-0 11.c4 e4 12.Ne1 d4 13.d3 Bb7 14.ed4 cd4 15.de4+= Be4 16.Nd2 Bb7 17.Ndf3 Nd7 18.Nd4 Nc5 19.Qd1 Nd4 20.Bd4 Qe7 21.Bf3 Rad8 22.Bb7?? Qb7–/+ 23.Nf3 f5 24.Re1 Ne4?? 25.Qd3? Nc5?? 26.Qc3 Ne4 27.Qb2 Qc7 28.c5 bc5 29.Bg7 Qg7 30.Qb3 Kh8 31.Rac1 Nd2 32.Qc4?? Nc4–+ 33.Rc4 Rd3 34.Ng5 Qb2 35.Rc5 Qd2 36.Rcc1 Rfd8 37.h4 h6 38.Nf7 Kg7 39.Nd8 Rd8 40.Re7 Kf6 41.Rcc7 Qd1 42.Kh2 Qd2 43.Rf7?? Ke5–+ 44.Rce7 Kf4 45.Rg7 g5 46.hg5 hg5 47.Rc7 Qf2 48.Rc4 Rd4 49.Rc5 Qg3 50.Kh1 Rd1 0–1. elsh1403 – talnahaju, internet, 2011.

7.Nf3 Nh6 8.Be2? Nf5?? 9.Qa4=+ b6 10.0-0 a6 11.c4 Bd7 12.cd5 0-0 13.Bc4 Nd6= 14.Qb3?? ab5 15.Be2–/+ c4 16.Qb4 Be8 17.Nc3?? Na6–+ 18.Qa3 b4 0–1. elsh1403 – dijamant1 (1635), internet, 2011.

7.f4 Nd7 8.Nf3 e4 9.Ng1 Ne7 10.c4 Nf5 11.Qf2 0-0 12.cd5 Nb6 13.Nc3 Nd5 14.Nge2?? Be6?? 15.Ne4 Qb6?? 16.a4?? Rad8?? 17.N2c3 Nc3 18.Bc3 Bd5 19.Bd3 Rfe8? 20.Ng3?? Ng3= 21.Qg3 c4 22.Bc2 f5 23.Bg7 Kg7 24.0-0 Be4 25.Be4 Re4 26.Qf2 Rd3 27.Rfd1 Qd6 28.Ra2 c3 29.Kf1? b6 30.h3 h5 31.Rc2 Ra4 32.Ke1 cd2 33.Rcd2 Raa3 34.Ke2 Rd2–/+ 35.Rd2 Qe6 36.Qf3 Kf6 37.Rc2?? Kf7?? 38.Rc7 Kf8 39.Qa8 Qe8 40.Rc8 Re3 41.Kf2 Re2 42.Kg3 1–0. elsh1403 – lumpi, internet, 2011.

7.f4 Nd7 8.f5 g5 9.Qh5= Kf8 10.c4 Ne7 11.cd5 Nd5 12.Bc4 N7b6=+ 13.Bb3 c4 14.Bc2 Qe8 15.Qf3 Qb5–/+ 16.Bd4?? ed4–+ 17.Na3 Qc6 18.ed4 Kf7 19.Ne2 Re8 20.0-0 Kg8 21.Rab1 a6 22.d3?? cd3 23.Bd3 Qd6 24.Nc4 Nc4 25.Bc4 Rd8?? 26.Nc3+/– Kh8 27.Nd5 Bd7 28.Rb7 Bc6 29.Rb6 Bd5 30.Rd6 Bf3 31.Rd8 Rd8 32.Rf3 Rd4 33.Be6 Bf8 34.Rc3 Bd6 35.h3 Rd2 36.Rc6 a5 37.Ra6 Bb4 38.Ra8 Kg7 39.Rg8 Kh6 40.g4 Bc5 41.Kf1 Rf2 42.Ke1 Rf3 43.Rc8 Bb4 44.Ke2 Rh3 45.Bg8 Rc3 46.Rd8 Rc7 47.Rd5 Kg7 48.Be6 Kf8 49.a3 Ba3 50.Ra5 Bc5 51.Ra8 Ke7 52.Bg8 Kd6 53.Ra7?? Ke5 54.Rc7+– Bd6 55.Rd7 Bc5 56.Bh7 Kf4 57.Rf7 Kg4 (57...Kg4 58.Rf6 Kh5+–) 0–1. elsh1403 – ketarii (1605), internet, 2011.

7.f4 e4 8.c4 d4 9.ed4 cd4 10.d3 f5 11.Qd8+/– Kd8 12.de4 fe4 13.Nd2 Bf5 14.0-0-0 Nd7 15.Ne2 Nh6 16.Bd4 Bd4 17.Nd4 Ng4 18.Rg1 Rc8 19.Kb2 Nc5? 20.Nf5+/– gf5 21.Ne4 Ke7 22.Nc5 Rc5 23.Re1 Kf6 24.Bd3 Nf2 25.Bf1 Rd8?? 26.Kb3+– Rd2 27.Kb4 b6 28.h3 Ra2 29.g4 Ne4 30.Bd3 1–0. elsh1403 – lakyluciano (1605), internet, 2011.

7.f4 Be6 8.Nf3 Nd7 9.Be2 Ne7 10.0-0 0-0 11.fe5 Ne5 12.Be5 fe5 13.Ng5+/– Qd7?? 14.Qh7 1–0. elsh1403 (1620) – lolo40, internet, 2011.

7.f4 Ne7 8.fe5 fe5 9.Nf3 d4 10.ed4 ed4 11.Bc4 Nf5 12.Qd8 Kd8 13.0-0 Nd7 14.Ng5 Ne5 15.Be6 Ke7 16.Bd5 Kd6 17.c4 h6 18.Ne4+/– Ke7 19.Ba3 Nd3 20.Nc5 Nc5 21.Bc5 Kd8 22.Na3 Rb8 23.Rae1 b6 24.Bb4 Re8? 25.Nc2 Re1+/– 26.Ne1 Bd7? 27.Nd3 Kc7 28.Nf4 g5 29.Ne6 Be6 30.Be6 Ne3 1–0. elsh1403 – christoph31 (1870), internet, 2011.

7.f4 Bf5 8.c4 Bb1 9.Rb1 d4 10.fe5 fe5 11.Nf3 Qh4 12.Nh4 de3 13.de3 Ne7 14.Nf3 Nd7 15.Be2 0-0 16.0-0 Nf5 17.Kf2 Rad8 18.e4= Nd4 19.Ke1 Nc2 20.Kf2 Nf6 21.Ne5? Ne4?? 22.Kg1–/+ Rd2 23.Rf8= Bf8?? 24.Bd3?? Nf2=+ 25.Bc2 Rc2 26.Nd7 b6 27.a4 Nd3 28.Rf1 Be7 29.Ba1 Rc4–+ 30.Nf6 Bf6 31.Bf6 Ra4 32.Rd1 c4 33.Kf1 Ra2 34.Bd4 Ra5 35.Rb1 Kf7 36.Ke2 Ke6 37.Kd2 Kd5 38.Kc3 Ra3 39.Kd2 Kd4 40.g4 Ra2 41.Kd1 Rh2 42.g5 c3 43.Rb3 Kc4 44.Rc3–+ Kd4 45.Rc2 Rc2 46.Kc2 Ne5 47.Kb3 Nf3 48.Kb4 Ng5 49.Kb3 Kc5 50.Ka4 Kc4 51.Ka3 Kb5 52.Kb3 h5 53.Kc2 h4 54.Kd3 h3 55.Ke3 h2 56.Kf4 ½–½. elsh1403 – mission2010 (1740), internet, 2011.

7.f4 Bf5 8.Bd3 Bd3 9.cd3 Nd7 10.f5 Ne7 11.fg6 hg6 12.Qa4 Nb6 13.Qc2 Rc8 14.Nf3 d4 15.0-0 Qd6 16.a4 Nd7 17.Na3 Nd5 18.Nc4 Qe6 19.e4 Nf4 20.g3 Qg4 21.Rae1?? Ke7 22.Rf2? Nh3–+ 23.Kg2 Nf2 24.Kf2 b6 25.a5 Rh3 26.ab6 ab6 27.Qd1 Rch8 28.Rh1 f5 29.Qe2 fe4 30.de4 Nf6 31.Nce5 Qe4 32.Nc6?? Kd6–+ 33.Qe4 Ne4 34.Kg2 g5 35.d3 Nc3?? 36.Ng5=+ R3h5 37.Ne4?? Kc7 38.h4? Ne4 39.de4–/+ Be5 40.Bc1 Bd6 41.Bg5 (41.Bg5 Rg5! 42.hg5 Rh1 43.g6–+). elsh1403 (1640) – ffn55 (1720), internet, 2011.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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