CLICK!

Support my work by donation. Thank you!
Click here for more info!

Flag Counter

TESTG600 Release 2024-05-05
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6

(...)

5.a3 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.a3 Nf6 5.c4).

5.a4 g6 6.b5 Bg7 7.Nc3 0-0 8.Nf3 h6 9.Be2 g5 (9...e4 10.Nd4=) 10.d4+= e4 11.Nd2 f4 (11...Qe7 12.Qc2+=) 12.Nde4 (12.ef4!? gf4 13.Nce4 Ne4 14.Ne4+/-) 12...Ne4 13.Ne4 fe3 14.fe3 Qe7 15.Nf2 Qe3 16.0-0 c5 17.Ra3 Qe7 18.Bf3 Nd7 19.Qd2 cd4 20.Bd4 (20.Bd5 Kh7+/-) 20...Ne5+= 21.Re3 Nf3 22.gf3 Qc7 23.Bg7 Qg7 (23...Kg7 24.Qd4 Kh7 25.Rfe1+-) 24.Qd5 (24.Qd6 Rf7+/-) 24...Kh8 25.Qd6 Bf5? (better 25...Rf6!? 26.Re8 Kh7+/-) 26.Re7+- Rf7 (26...Rad8 27.Rg7 Rd6 28.Rb7+-) 27.Rf7 Qf7 28.Qh6 Bh7 29.Ng4 (better 29.Ne4 Qg7 30.Qg7 Kg7 31.Ng5+-) 29...Rf8? (29...Qg7+-) 30.Ne5 (30.Qg5?! Rg8 31.Qd5 Qe7 32.Qd4 Rg7+-) 30...Qf5 31.Ng6! Qg6 32.Qf8 Bg8 33.Qc5 (33.Rd1 Qg7 34.Qg7 Kg7 35.Rd7 Kf6 36.Rb7 Bc4 37.Ra7 Bd5+-) 33...g4 (33...b6 34.Qe5 Qg7 35.Re1 Qe5 36.Re5 Bc4 37.Rg5+-) 34.Qd4 Kh7 (34...Qg7 35.Qg7 Kg7 36.c5+-) 35.Qe4 (better 35.fg4 Be6+-) 35...gf3 36.Qg6 Kg6 37.Rf3 (37.c5!? Bd5+-) 37...Bc4 38.Rc3 Bd5 39.Rc8 Bb3 (39...a6 40.ba6 ba6 41.Rd8+-) 40.Rc7 (40.a5 b6 41.Ra8 ba5 42.Ra7 Bd5+-) 40...Ba4 41.Rb7 Kf5 (41...Kh6 42.h3 Kg6+-) 42.Ra7 (42.Ra7 Bc2 43.b6+-) 1-0. BeepBeepImAJeep (2850) - Vladkur (2370), lichess.org, 2017.

5.Qa4 Bd7 6.b5 Be7 7.Nc3 c6 8.c5 dc5–/+ 9.Bc4 (9.Nf3 Bd6–/+) 9...cb5–+ 10.Nb5 Nc6 11.d4?? (better 11.Na3–+) 11...cd4 (11...a6 12.dc5 ab5 13.Qb5–+) 12.Bb3 (12.Ba3 a6 13.Be7 ab5 (13...Ne7?! 14.Nd6 Kf8 15.Qa3–+; 13...Ke7?! 14.Qa3 Ke8 15.Nd6 Kf8 16.Nf5 Ne7 17.Nd6=+) 14.Bd8 Ra4 (14...ba4?! 15.Bf6 gf6 16.Rb1–+) 15.Bb5 Nd8 (15...Kd8 16.Ba4 Nb4 17.Bd7 Nc2 18.Kd2 Na1 19.Bf5+-) 16.Ba4 Ba4–+) 12...Bb4 (12...a6 13.Qc4 Qa5 14.Nc3–+) 13.Ke2 (13.Kf1 a6 14.ed4 ab5 15.Qb5 Ra5–+) 13...a6 14.a3 ab5 15.Qb5 d3 (better 15...Bd6 16.Qc4 Qe7 17.Qd3–+) 16.Qd3 Ba5 17.Qc4 Do you see the mate threat? 17...Qe7 18.Nf3 (18.Nf3 Rc8 19.Kf1–+). MARYMARY – abernaky, ChessWorld.net, 2019.

5.Qb3 Be7 6.d4 =+.

5.Bc3 Nc6 6.b5 Ne7 7.d4 ed4 8.ed4 (8.Bd4 Ne4=) 8...a6 9.a4 (9.d5 Ne4=) 9...ab5 10.cb5 (10.ab5 Ra1 11.Ba1 d5=) 10...Ned5 11.Bb2 (11.Bc4 Be6 12.Qe2 Nf4–+) 11...Be7 (11...Qe7 12.Ne2=+) 12.Nf3 (12.a5 0-0=+) 12...0-0 13.Bc4 Re8 14.0-0 f4 (14...Be6 15.Ng5 Bc8 16.Nc3+/-) 15.Nc3 Be6 16.Qd2 Rf8 17.Rfe1 Bf7 (17...Qd7!?=) 18.Ng5+/- c6 19.Nf7 Rf7 20.Bd5 Nd5 21.bc6 bc6 22.Nd5 cd5 23.a5 f3 24.a6 Bg5?? 25.Qd3 Qb6 26.Reb1 fg2 27.Bc3 Qc6 28.a7 Rfa7=+ 29.Ra7 Ra7 30.Rb8 Kf7 31.Qf3 Ke7 32.Qf8 Ke6–/+ 33.Qg8 Kf5 34.Qh7= Ke6 35.Qg8 Kf5= 36.Bb2 Kg6 37.Qe6+/- Bf6 38.Rf8 Qc2= 39.Qe8 Kg5 40.Qb5 Qe4 41.Re8 Qf3 42.Re3+= Qd1 43.Kg2 Kg6 44.Qd5 Qc2?? 45.Rg3+- Bg5 46.Qg5 Kf7 47.Qg7 Ke6 48.Qg8 Ke7 49.Re3 Kd7 50.Qe6 Kc7 51.Rc3 Qc3 52.Bc3 Ra3 53.Qe7 Kc6 54.Bb4 Ra6 55.d5! Kd5 56.Qb7 Kc4 57.Qa6 Kb4 58.Qd6 (58…Kc4 59.h4+-) 1–0. SuperForte – REXChess, 1994.

5.Nc3 Nbd7 6.Qc2 g6 7.Nf3 h6 8.Nh4 Kf7 9.g3 Be7 10.Bg2 c6 11.d3 Nh7 12.Nf3 Ng5 13.b5 Qc7 (13...Ne6 14.0-0+=) 14.0-0 (14.bc6 Nf6 15.Ng5 hg5 16.Nd5 Nd5 17.cd5 (17.Bd5?! Kg7=) 17...bc6 18.dc6+- (worse is 18.Qc6 Qb6 19.Qb6 ab6+=)) 14...Nf3 15.Bf3 Bf6 (15...Rb8!?+/-) 16.bc6+- bc6 17.Nb5! Qb6? (17...cb5 18.Bd5 Double attack (18.Ba8 Pinning; 18.Ba8 Deflection)) 18.Nd6 Kg7 19.Rab1 Qc5 20.Nb5! e4 (20...cb5 21.Ba8 Pinning (21.Ba8 Deflection)) 21.Ba3 (21.Bd4 Qe7 22.de4 cb5+-) 21...Qe5? (better is 21...Qb6!? 22.de4 cb5 23.ef5 Rb8 24.fg6 Ne5+=) 22.d4+- Qb8? (22...Qe6 23.Nc7 Qf7 24.Be4 Nb6 25.Na8 Nc4+-) 23.Bd6 Qb7 (23...Qb6 24.Nc7 Qa5 25.Be4 (worse is 25.Na8 ef3 26.Nc7 Kh7+-) 25...fe4 26.Na8+-) 24.Nc7 Nb6 25.Na8 (25.Be2!? Bd8 26.Na8 Qa8+-) 25...Qa8 26.c5 Nd7 27.Be2 a5 28.Rb2 Ba6 29.Rfb1 Rd8 30.Bc4 g5 31.Qe2 Bc4 32.Qc4 f4 33.Rb7 fe3 34.fe3 h5 35.Qe6 Qa6 36.Rd7 Rd7 37.Qd7 (37.Qd7 Kh6 38.Qf7 Qa7 39.Bf8 Bg7 40.Bg7 Kh7 41.Qa7 Kg6 42.Rf1 g4 43.Qf7 Kh7 44.Rf6 h4 45.Rh6) 1–0. Nelissen,Andy (1850) – Schotanus,Fred (1760), PKL op Netherlands, 2003.

5.Nc3 e4 6.d3 ed3 7.Bd3+= Nc6 8.a3 Be7 9.Nf3 0-0 10.Qc2 g6 11.Rd1 Be6 12.Ng5 Qd7 13.Nb5 Rac8 14.0-0 a6 15.Ne6 Qe6 16.Nd4 Nd4 17.ed4 d5 18.Rfe1 Qf7 19.Bc1 c6 20.Bf4 Rcd8 21.c5 Ne4 22.f3 Ng5 23.Qd2 Ne6 24.Be5 Bf6 25.Bb1 Rfe8 26.Re2 Rd7 27.Rde1 Rde7 28.f4 Be5 29.Re5 Nf8 30.g3 Nd7= 31.R5e3 Nf6 32.h3 Ne4 33.Be4 de4 34.Qb2 Rd7 35.Rd1 Red8 36.Re2 Qg7 37.Red2 Kh8 38.Kf2 g5 39.fg5 Qg5 40.Qc3 f4–/+ 41.gf4 Qf4 42.Ke1? Rg7 43.Rf2 Qh4 44.Ke2? e3! 45.Rf3 Re8 46.Rdf1?? Rg2 47.Kd3 0–1. De Visser,Arno – Hauwert, 1987.

5.c5 dc5 6.Bc4 (6.bc5 Bc5 7.Be5 Be6=+) 6...cb4 (better 6...e4 7.bc5 Bc5–/+) 7.Qa4? (better 7.Be5!? Bd6 8.Bd6 Qd6 9.Nf3–/+) 7...Bd7–+ 8.Bb5 (8.Qc2 e4–+) 8...Nc6 9.Be5?? (9.Qc2–+) 9...Ne5 10.Bd7 (10.d4 c6 11.Be2 Ng6–+) 10...Qd7 11.Qd1 (11.Qd7 Kd7 12.d4 Nd3 13.Ke2 b3–+) 11...0-0-0 (11...Nd3 12.Kf1–+) 12.d4 Ng6 (better 12...Qb5 13.Qe2 Qc6 14.Nf3 Qc1 15.Qd1 Qd1 16.Kd1 Nf3 17.gf3–+) 13.Nf3 Bd6 14.0-0 Rhe8 15.Nbd2 Ne4 16.Ne4 fe4 17.Ng5 (17.Nd2 Qf5–+) 17...h6 (17...Qf5 18.Qh5–+) 18.Nh3 Ne7 19.f3 (19.f4 Nd5 20.Qb3 Nc3–+) 19...ef3 (19...Nd5!? 20.Qb3 ef3 21.Rf3–+) 20.Qf3 Nc6 (20...Nd5 21.Rae1–+) 21.Nf2 a5 (21...Kb8 22.Rae1–+) 22.Ne4 (22.Rad1 Rf8 23.Qe2 Rde8–+) 22...Bf8 23.Nc5 (23.Ng3 Qe6 24.Rfe1 g6–+) 23...Bc5 24.dc5 Qd3 (24...Qe6 25.Rae1–+) 25.Qg4 (25.Rfe1–+) 25...Qd7 (25...Kb8 26.Qg7 Qe3 27.Kh1–+) 26.Qe2?? (26.Qf3 Qe6 27.Rae1–+) 26...Nd4! 27.Qc4 (27.ed4 A pinning theme 27...Re2) 27...Nc6 (better 27...Re3 28.Rf7 Qg4 29.Qf1–+) 28.Rad1?? (better 28.Qe2=) 28...Qd1–+ 29.Rd1 Rd1 30.Kf2 Rdd8 (better 30...Rd2!? 31.Ke1 Rg2 32.h4–+) 31.Qg4 Rd7 32.Qg6 Red8 (32...Kd8 33.Qc2–+) 33.Qf5 (33.Qe6 Kb8–+) 33...Kb8 34.Kg3 (34.Qh7 Rd2 35.Kg3 Ra2 36.Qg7 b3–+) 34...Rd5 (34...Re7 35.e4–+) 35.Qb1 (35.Qc2 Rd3 36.Qf2 Re8–+) 35...Rc5 36.Kf4 (36.Qb2 Rc3 37.Kh4 Re8–+) 36...Rf8 37.Kg3 (37.Ke4 Rc4 38.Kd3 Ne5 39.Ke2 Ng4–+) 37...Rg5 38.Kh3 Ne5 (better 38...Rf2 39.Qg1 Ra2–+) 39.g4 (39.Qb3–+) 39...Rf3 40.Kh4 Ng6 (40...Rg4 41.Kh5 Rh3) 41.Qg6–+ Rg6 42.Kh5 Rh3 (42...Rg5 43.Kh4 a4 44.e4 b3 45.ab3 ab3 46.e5 b2 47.e6 b1Q 48.e7 Qe1) 43.Kg6–+ Rh2 44.Kg7 a4 45.g5 hg5 46.e4 Re2 47.Kg6 Re4 48.Kg5 b3 49.ab3 ab3 50.Kf5 (50.Kf6 b2 51.Kg7 b1Q 52.Kg6 Rg4 53.Kf6 Qg6 54.Ke5 Re4 55.Kd5 Qc6) 50...Re1 51.Kf4 (51.Kg5 b2 52.Kg6 b1Q 53.Kf7 Qf5 54.Kg7 Rg1 55.Kh6 Qg6) 51...b2 52.Kf3 (52.Kg4 b1Q 53.Kf4 Qe4 54.Kg5 Rg1 55.Kf6 Rf1 56.Kg5 Qg2 57.Kh5 Rh1) 52...b1Q 53.Kf2 (53.Kg3 Qd3 54.Kg4 Rg1 55.Kf4 Rf1 56.Ke5 b5 57.Ke6 Qd6) 53...Qe4 54.Kg3 Re3 (54...Rg1 55.Kf2 Rg2 56.Kf1 Qe2) 55.Kf2 Qf4 56.Kg2 Rg3 57.Kh2 (57.Kh1 Qh4) 57…Qh4 0–1. MARYMARY – rmack, ChessWorld.net, 2016.

5.c5 Be6 6.d4 e4 7.Nc3 d5 8.Nge2 Nh5 9.Ng3 Ng3 10.hg3 Qf6 11.a4 Be7 12.b5 Bf7 13.Be2 g5 14.Bh5 c6 15.Bf7 Kf7 16.Ke2 Nd7 17.a5 f4 18.gf4+/- gf4 19.Kd2 Rhg8 20.Qh5+/- Ke6 21.Qh3 Qf5 22.Qf5 Kf5 23.Rh5 Rg5 24.Rah1 Rh5= 25.Rh5 Kg6 26.Rh3 fe3 27.fe3 a6 28.b6 Rf8 29.Ke2 Nf6 30.Nd1 Ng4 31.Bc3 Bg5 32.Bd2 Nh6 33.Rh1 Nf5 34.Be1 h5 35.g3 Nh6 36.Nf2 Rf3 37.Nd1 Nf5 38.g4 hg4 39.Rh8? g3 40.Rg8 Kh5 41.Rb8? g2 42.Bf2 Ng3 43.Ke1 Nh1 44.Rb7 Nf2 45.Rh7 Kg6 (45...Kg6 46.Nc3 g1Q 47.Kd2 Be3 48.Kc2 Bf4–+) 0–1. Wartig,Wolfgang – Merkl, corr SOK–89–30, 1989.

5.c5 Be7 6.cd6 (6.d4 ed4 7.Qd4 0-0=+) 6...cd6 (6...Bd6 7.Bc4=+) 7.Nf3 (7.d4 0-0=+) 7...Nc6 8.b5 Nb8 9.Be2 0-0 10.0-0 h6 11.d4 Nbd7 (better is 11...e4!? 12.Qb3 Kh8=) 12.de5 de5 13.Ne5 Ne4 (13...Ne5 14.Be5 Be6 15.Nc3+/-) 14.Bf3 (14.Ng6!? Re8 15.Bc4 Kh7+-) 14...Bf6 15.Nd7 Bd7 16.Bf6 Qf6 17.Na3 Rad8 18.Qb3 (better is 18.Be4!? fe4 19.Qd5 Be6 20.Qe4+=) 18...Be6= 19.Qa4 Nd2 20.Rfd1 (20.Bb7!? Rf7 21.Bc6 (21.Qa7? Nf1 22.Rf1 Bc8–+) 21...Nf1 22.Rf1=+) 20...Nf3–/+ 21.gf3 Qg5 22.Kh1 Rde8 23.Rg1 Qf6 24.Rg3?? f4 25.ef4 Qa1 26.Rg1 Qf6 27.Nc2 Rd8 28.Ne3 Rd3 29.Qe4 Ra3 30.f5 Ba2 31.Nd5 Qf5 32.Ne7+- Kh8 33.Nf5 Rb3 34.Ng7 Rg8 35.Qe5 Rf3 36.Nf5 (36…Kh7 37.Rg7 Kh8 38.Rg8 Kg8 39.Qg7) 1–0. revrevrevrev – barefootgardener, Live Game Caissa's Web, 2004.

5.c5 g6 6.cd6 cd6 7.f4 Bg7 8.fe5 Ng4 9.Be2 de5 10.Bg4 fg4 11.h3 Qh4 12.Ke2 0-0 13.Qe1 Qh5 14.hg4 Qh1 15.Nc3 Bg4 16.Nf3 Qe1 17.Re1 e4 18.Ne4 Bb2 19.Nd6 Nc6 20.Nb7 Ne5 21.Rf1 Rf6 22.d4 Nf3 23.gf3 Raf8 24.fg4 Rf1 25.g5 h5 26.Nd6 h4 27.Ne4 h3 28.Ng3 h2 29.Nf1 Rf1 30.Kf1 h1Q 31.Ke2 Qe4 32.Kf2 Bd4 33.Ke2 Qe3 34.Kf1 Qf2 0-1. evgrom - amazingoid (2400), Casual Bullet game, lichess.org, 2017.

5.d3 g6 6.Nf3 Bg7 7.Be2 0-0 8.0-0 Qe8 9.Nbd2 h6 10.Re1 Qf7 11.Nf1 Be6 12.a4 Nbd7 13.a5 Kh8 14.d4 (14.Qc2 e4 15.Nd4 c5 16.Ne6 Qe6+=) 14...e4 (14...Bc4!? 15.de5 Ng4+=) 15.N3d2 c6 16.b5 g5 17.Ng3 d5 18.Ba3 f4 (18...Rfc8 19.Rc1=) 19.Bh5 (19.Bf8 Rf8 20.cd5 fg3 21.fg3 (21.dc6?? gf2 22.Kh1 fe1R 23.Qe1 bc6–+) 21...Nd5 22.Rf1–/+) 19...Nh5= 20.Nh5 Rg8 0–1. Read,Matthew – Talsma,P (2190), Daventry ENG, 4NCL Indiv Rapid Ch rapid, 2013.

5.Bd3 Be7 6.Nc3 0-0 7.Nf3? (7.Nf3 e4 8.Be2 ef3 9.Bf3–+; better 7.Be2=+). MARYMARY – rmack, ChessWorld.net, 2016.

5.d4 d5?? 6.de5+/- Bb4 7.Bc3 Bc3 8.Nc3 Ne4 9.Rc1 (worse is 9.Nd5 c6 10.f3 Qa5 11.Ke2 cd5 12.fe4 de4–/+) 9...c6 (9...Nc3!? 10.Rc3 dc4 11.Qd8 Kd8 12.Bc4 Ke7+/-) 10.cd5+- Qa5 (10...Nc3 11.Rc3 cd5 12.Bb5 Nc6 13.Nf3+/-) 11.Qa4 Qa4 12.Na4 0-0 13.f3 Ng5 14.Nc3 cd5 15.Nd5 Ne6?? (better is 15...Nc6 16.Nc7 Rb8 17.Bc4 Kh8+-) 16.Ne7 Kf7 (16...Kh8 17.Rc8 Rc8 18.Nc8+-) 17.Nc8 (17.Rc8?! Ke7 18.Rf8 Nf8+/-) 17...Nc6 (17...Nd7 18.Nd6 Ke7 19.f4+-) 18.Nd6 Ke7 19.f4 Nc5 (19...g5 20.g3 gf4 21.ef4 Ned4+-) 20.Rc5 1–0. aspasio – mgilbert (2525), net–chess.com, 2015.

5.d4 Be6 6.d5 Bf7 7.Ne2 Nbd7 8.Ng3 g6 9.Bd3 Bg7 10.Qc2 0-0 11.h4 c6 12.h5 (better is 12.dc6!? bc6 13.h5=) 12...cd5–/+ 13.hg6 hg6 14.Nf5 (14.cd5!? Bd5 15.Nc3+=) 14...gf5 15.Bf5 e4 (15...dc4?! 16.Bh7 Kh8 17.Bg6 Kg8 18.Bh7 Kh8 19.Bg6 Kg8 20.Bh7=) 16.Nd2 (16.g4 Qe8 17.g5 Nh5 18.Bg7 Kg7 (worse is 18...Ng7 19.Bh7 Kh8 20.Be4 Nh5 21.cd5+=) 19.cd5 Rc8 20.Qb2 Qe5 21.Qe5 Ne5 22.Bc8 Rc8=) 16...Ne5 (better is 16...Qe7 17.cd5 Rfc8–/+) 17.0-0-0?? (17.Be5 de5 18.g4 b5+=) 17...Rc8 18.c5?? (18.Bc8 Nd3 Deflection (18...Nd3 Decoy)) 18...dc5?? (better is 18...Nd3 19.Kb1 Rc6–+ (19...Nb4?! 20.Qc3+=)) 19.bc5?? (better is 19.Be5 cb4 20.Bc8 Qc8 21.Rdf1+=) 19...Ned7 20.Bd4? Qa5 21.Nb3 Qa3 22.Bb2 Qa2 23.f3? Nc5! 24.Nc5 b6 25.Bc8 Rc8 26.Bd4 Qc2 27.Kc2 bc5 28.Be5 ef3 29.gf3 Bg6 30.Kc3 Ne4! 31.fe4 Be5 32.Kb3 Be4 33.Rdg1 Kf7 34.Rf1 Bf6 35.Rh6 Rc6 36.Ka4 c4 37.Kb5 Rb6 38.Kc5 c3 39.Ra1 Be7 40.Kd4 Rh6 41.Ra7 c2 42.Rc7 Rh1 0–1. dtpwaldi (1660) – doronlimor (1735), internet, 2013.

5.Be2 c6 6.Nf3 Qc7 7.0-0 Be7 8.d3 Be6 9.Ng5 Bg8 10.Nc3 Nbd7 11.b5 c5 (11...d5 12.Nf3=) 12.e4 fe4 13.de4 0-0-0 14.f4 ef4 15.Rf4 (better is 15.Nh3!?+=) 15...d5+= 16.Rf5 h6 (16...dc4?! 17.Nd5 Nd5 18.ed5=) 17.e5 hg5 (better is 17...dc4 18.Nf3 Ne5–/+) 18.b6?? (better is 18.Nd5 Nd5 19.cd5–/+) 18...Nb6–+ 19.Nb5 Qb8 20.ef6 Qh2 21.Kf1 Bf6 22.Bf6 gf6 23.Bg4 (23.Na7 Kb8 24.Qb3 Ka7–+) 23...Kb8 24.Rb1 (24.Bf3 g4 25.Bg4 Be6–+) 24...Nc4 25.Rb3 (25.Rf3 Bh7 26.Rc1 Be4–+) 25...Be6 26.Rf6 Bg4 27.Qg4 Nd2 (27...Nd2 28.Ke2 Nb3–+) 0–1. Gueler Berdasco,Martin (1920) – Gonzalez Mateos,Rafael (2125), San Sebastian de los Reyes ESP, 2012.

5.Be2 Nc6 6.a3 Be6 7.Nc3 Qd7 8.Rc1 g5 9.Nf3 h6 10.d3 0-0-0 11.Qb3 e4 (11...g4 12.Nd2=) 12.Nd4 (better is 12.de4!? Bg7 13.ef5 Bf5 14.Nd5+/-) 12...Nd4= 13.ed4 ed3 14.Bd3 Ne4? (better is 14...d5=) 15.Ne4 fe4 16.Be4 (better is 16.d5!? ed3 17.Bh8+-) 16...Bf5 17.Bf5 Re8 18.Kf1 Qf5 19.d5 Rg8 20.Qa4 Be7? (better is 20...Qd3 21.Kg1 Re2=) 21.Qa7+- Rgf8 22.Bd4 b6 (22...Bf6!? 23.Bf6 Qf6+/-) 23.Qa8 Kd7 24.Qa4 c6?? (better is 24...Kd8 25.Be3 g4 26.Qa8 Kd7+-) 25.Qc6 Kd8 26.Bb6 1–0. lican – taramp, internet, 2013.

5.Be2 Bd7 6.h3 c6 7.Nf3 e4 8.Nd4 d5 9.a3 c5 10.bc5 Bc5 11.Nb3 Be7 12.cd5 0-0 13.Nc3 Bd6 14.0-0 Na6 15.d4 ed3 (15...Rb8!?+=) 16.Bd3 Nc5 17.Nc5 Bc5 18.Qc2 g6 19.Rfc1 Bb6 20.Rab1 Ba5 21.Ne2 Nd5 22.Bc4 Be6 23.Nf4 (better is 23.Ba1 Qd7 24.Rb5+-) 23...Qe7?? (better is 23...Nf4 24.ef4 Bc4 25.Qc4 Rf7+-) 24.Ne6 Qe6 25.Qb3 Rad8 26.Rd1 (26.Qb7?! Rf7 27.Qb5 Bc7+-) 26...Qe4 (26...b5 27.Qb5 Qe4 28.Rd5 Rf7+-) 27.Bd5 Rd5 28.Qd5 Qd5 29.Rd5 Bb6 30.Be5 (30.Rd7 Rf7 31.Rf7 Kf7+-) 30...h5 (30...Kf7 31.Bf4 Kf6 32.Rd6 Kg7 33.Rd7 Rf7 34.Be5 Kf8 35.Rf7 Kf7 36.Bd4 Bd4 37.Rb7 Ke6 38.ed4+-) 31.a4 Bd8 (31...Rf7 32.Rc1+-) 32.Rb7 g5 (32...Bf6 33.Ra7 Be5 34.Re5+-) 33.Rdd7 (better is 33.Rg7 Kh8 34.Ra7 Kg8 35.Rg7 Kh8+-) 33...Bf6 34.Bf6 Rf6 35.Rg7 Kf8 36.Rg5 f4 37.ef4 Rf4 38.Rh5 Ra4 39.Rh8 1–0. lican – wasyl35, internet, 2013.

5.Be2 f4 6.Bh5 (6.ef4 ef4 7.Bh5 g6+=) 6...g6 7.Be2 fe3 8.de3 Be6 9.Nf3 Bh6 10.0-0 0-0 11.Nc3 Nc6 12.b5 Ne7 13.Nd2 (13.c5 Qd7+=) 13...Qd7 14.Nce4 Bf5 15.Nf6 Rf6 16.Nf3 Raf8 17.Nh4 Be6 18.Qa4 a6 19.a3 ab5 20.cb5 Bg5 21.Nf3 Bh6 22.Rad1 Bg4?? (better 22...Nd5+=) 23.Be5! Bf3 (23...de5 24.Ne5 Double attack (24.Rd7 Pinning; 24.Rd7 Deflection; 24.Qe4 Decoy)) 24.Bf6?? (better 24.Bf3 Rf3 25.gf3 Rf3 26.Qa8 Qc8 27.Qc8 Nc8 28.Bf4 Bf4 29.Kg2+- (29.ef4?! Rf4 30.Rc1 Rf7+/-)) 24...Be2-+ 25.Be7 Qe7 26.Rde1 Bf1 27.Rf1 Bg7 28.Qc4 Qf7 29.Qf7 Rf7 30.a4 c6 31.bc6 bc6 32.Rc1 c5 33.Rc4 Ra7 34.f3 Bf8 35.e4 Kf7 36.Kf2 Ke6 37.Ke3 h5 38.f4 Bh6 (38...d5!? 39.ed5 Kd5 40.Kd3-+) 39.g3 g5 (better 39...Bf8 40.f5 gf5 41.ef5 Ke5 42.Rh4-+) 40.h3? (40.f5 Ke5 41.Kd3-+) 40...gf4 41.gf4 Kd7 42.Kf3 Kc6 43.f5 d5 (43...Bg5!? 44.h4 Bh4 45.Rc1-+) 44.ed5 Kd5 45.Re4 (45.Rh4 Bg7-+) 45...c4 46.Re6 (46.Re8 Ra4 47.Rd8 Ke5-+) 46...Bd2 (46...c3!? 47.Re2-+) 47.Rg6 Ra4 48.f6 c3 49.f7 (49.Ke2 Re4 50.Kd3 Re3 51.Kc2 Ke6-+) 49...Rf4 50.Ke2 Rf7 51.Kd3 (51.Rg8 Re7 52.Kd1 Re1 53.Kc2 Rh1-+) 51...Rf3 52.Kc2 Rh3 53.Rg7 h4 54.Rh7 (54.Rd7 Ke6 55.Rd4 Rh1 56.Re4 Kf5-+) 54...Be1 (better 54...Bf4 55.Kb3-+) 55.Kd1 (55.Rd7 Ke6 56.Rd8 Rh2 57.Kb3 Rb2 58.Kc4-+) 55...Bd2 (better 55...Bg3 56.Rf7 Rh2 57.Rf8-+) 56.Kc2 Rh1 57.Rh5 (57.Kd3-+) 57...Kc4 58.Rh7 (58.Rh4 Rh4 59.Kd1 Rh2 60.Kc2 Be3 61.Kd1 c2 62.Ke1 c1Q) 58…Rc1 0-1. Atotheking (1630) - alojzela (1645), lichess.org, 2019.

5.Ne2 a5 6.b5 Be6 7.Qc2 g6 8.d4 Nbd7 9.Nd2 Bg7 10.a4 0-0 11.Rd1 Qe7 12.de5 de5=+ 13.Nc1 c5 14.Be2 e4 15.0-0 Nb6 16.f3 ef3 17.Bf3 Rfd8 18.e4 Ne4=+ 19.Be4 fe4 20.Bg7 Qg7 21.Qe4 Bf5 22.Rf5 gf5?? 23.Qe6+/- Kh8 24.Qb6 Qd4 25.Kh1 Rd6 26.Qb7 Re8 27.Qf3?? Qd2–+ (27...Qd2 28.Rf1 Re1–+) 0–1. Keustermans,Helmut (2020) – Ait Messaoud,Aziz (2175), BEL–chT, 2001.

5.Ne2 Be6 6.Ng3 =+.

5.Ne2 g6 6.d4 e4 7.d5 Bg7 8.Nf4 Na6 9.a3 c6 (9...0-0 10.Nc3=) 10.Qa4 Bd7 11.dc6 Bc6 12.b5 Bd7 13.Ne6 (better is 13.Qd1 Nc7 14.Qd6+/-) 13...Be6+= 14.ba6 Bd7 15.Qb4 Bc6 16.ab7 Rb8 17.Bd4 Rb7 18.Qd2 0-0 19.Be2 d5 20.c5 Nd7 21.Nc3 Bd4 22.Qd4 (22.ed4 f4=) 22...Qf6 (22...Qa5!? 23.0-0 Qc5 24.Qc5 Nc5+=) 23.0-0= The backward pawn on d5 becomes a target 23...Qd4 24.ed4 Rfb8 25.a4 Rb3 26.Rfc1 R8b7 27.Bb5 Nb8 28.h3 Kg7 29.Kh2 a6 30.Bc6 Nc6 31.Nd5 Nd4? (better is 31...Rb2 32.Rd1 Rf2=) 32.c6+- Nc6 33.Rc6 a5 (33...Rb2 34.Kg1 Rd2 35.Nf4+-) 34.Rc7 (better is 34.Ra6+-) 34...Rc7 35.Nc7 Kf6 36.Nb5 Ke5 37.g3 Rb4 38.Kg2 g5 0–1. typ48 – amg69 (1735), internet, 2013.

5.Nf3 Bd7 6.Be2= Be7 7.Nc3 0-0 8.b5 c5 (8...e4 9.Ng5+=) 9.0-0 Be6 (9...a6 10.Qb3+=) 10.Ng5+- Qd7 (10...Bd7 11.d4+-) 11.Qc2 h6 12.Ne6 Qe6 13.d3 f4? (better 13...a6!? 14.a4 e4+-) 14.Bf3+- Qd7 (14...Nbd7 15.Bb7 Rab8 16.Bf3+-) 15.ef4 ef4 16.Rae1 g5 (16...a6+-) 17.d4! g4 (17...cd4 18.Qg6 Double attack) 18.Qg6 Kh8 19.Nd5 Nd5 20.Qh6 Kg8 21.Bd5 (21.Bd5 Rf7 22.Qg6 Kh8 23.Bf7 cd4 24.Qh6) 1–0. Pierre – Tybling, internet, 2019.

5.Nf3 h5 6.Nc3 Be7 7.Be2 b6 8.Qa4 Qd7 9.b5 Bb7 10.0-0 a6 11.Qb3 Rg8 12.d4 e4 13.Ng5 Ng4 14.c5 Rf8 15.c6 Qc8 16.cb7 Qb7 17.Ne6 1–0. usingprogram (2000) – zdziniekzpola, internet, 2013.

5.f4 e4 6.d3 d5 7.c5 Nc6 8.b5 Nb4 9.d4 Ng4 10.Bc1 Qh4 11.g3 Qf6 12.a3 Nd3 13.Bd3 ed3 14.Qd3 h5 (14...Bc5!? 15.h3 Nh6=) 15.h3+= Nh6 16.Nc3 c6 17.Nf3 Be7 18.Bb2 0-0 19.0-0-0 b6 (better is 19...Qe6!?+=) 20.Ne5+- bc5? (20...Bb7 21.Nd7 Qe6 22.Nf8 Bf8 23.bc6 Bc6 24.cb6 ab6 25.Kd2+-) 21.dc5 (better is 21.Nc6!? c4 22.Nd5 cd3 23.Nce7 Kf7 24.Nf6 Ke7 25.Nd5 Kf7+-) 21...Bc5 22.bc6 Rd8? (22...Nf7 23.Nd5 Qh6+-) 23.Nd5 Qd6 (23...Qe6 24.Qc4 Bd6 25.c7+-) 24.Ne7! Kh7 (24...Qe7 25.Qd8 Pinning (25.Qd8 Deflection; 25.Qd8 Clearance)) 25.Qd6 Rd6 26.Rd6 Bd6 27.Rd1?? (better is 27.Nd5+-) 27...Be7= 28.c7 Ng8 (28...Be6 29.Kd2+=) 29.Nc6 a5 30.Ne7 Ne7 31.Rd8 Nc6 32.Rf8 Kg6 33.g4 fg4 34.hg4 hg4 35.f5 Kg5 36.Bg7 g3 37.Rg8?? Kf5 38.Bc3 Ke4 39.Kd2 Ne5?? 40.Re8+= g2 41.Rg8?? Nc4 42.Ke2 Ne3 43.Re8 Kf5 44.Re5 Kg4 45.Re4 Kh3 46.Re3 Kh2 (46...Kh2 47.Be5 Kh1–+) 0–1. kaasparov – mooflon, internet, 2013.

5.g3 c6 6.Bg2 Be6 7.Nf3 h6 (better is 7...Bc4!? 8.Qc2 Be6–/+) 8.d3= Nbd7 9.Nbd2 Be7 10.0-0 0-0 11.d4 e4 12.Ne1 d5 13.c5 Bf7 14.f3 Bg6 15.fe4 Ne4 16.Ne4 fe4 17.Nc2 Qe8 18.Qd2 Bg5 19.Rf2 Rf2 20.Qf2 Qe7 21.Rf1 Rf8 22.Qe2 Rf1 23.Qf1 Nf6 (better is 23...Bh5!?=) 24.h4+/- Bh4 25.gh4 Ng4 26.Bc1 Qh4 27.Bh3 (27.Qf4 Kh7+/-) 27...Qg3 (better is 27...Bf5!=) 28.Qg2+/- Qg2 29.Kg2 Nf6 (29...Bh5 30.Kg3 Nf6 31.b5 cb5 32.Bc8+/-) 30.Ne1 Bh5 31.Bc8 b6 32.cb6 ab6 33.a4 g5 (33...Be8 34.a5 Bd7 35.Bb7+-) 34.a5 ba5 35.ba5 Ne8 36.a6 Nc7 37.a7 Be8 (37...Kf7+-) 38.Bb7 Kf7 39.a8Q (39.Bd2 Bd7 40.Ba5+-) 39...Na8 40.Ba8 Kf6 41.Kg3 h5 42.Ng2 h4 43.Nh4! gh4 44.Kh4 Bd7 45.Bd2 Ke6 46.Kg5 Kf7 47.Bb4 Kg7 48.Bd6 Kf7 49.Bb7 1–0. Fournier,Frederic – ceav, KasparovChess.com rated blitz game, 2002.

5.g3 Nc6 6.a3 g6 (6...e4 7.d3=+) 7.Bg2 Bg7 8.Ne2 (8.b5 Ne7=) 8...0-0 9.0-0 e4 10.d3 ed3 11.Qd3 Ne5 12.Qc2 White intends c5 12...Qe7 13.Nd2 Rb8 14.Nd4 Bd7 15.Rad1 Rfe8 16.c5 d5 17.b5 (17.N4f3 Nf3 18.Nf3 Bb5+=) 17...c6 18.a4 (18.N4f3 Nf3 19.Nf3 Ne4 20.Bg7 Kg7=) 18...Ne4 19.N2b3 (19.Ba3 Rbc8=) 19...Nc4=+ 20.Ba1 (20.Bc3 Ra8=+ (worse 20...Nc5 21.Bb4 Ne3 22.fe3 Qe3 23.Kh1 Nb3 24.Nb3+=)) 20...Nc5 21.Rc1 (21.Nc5 Qc5 22.Rd3 Qe7-/+) 21...Ne4-+ 22.Rfd1 h5 (22...Qb4 23.Qa2-+) 23.Qa2 (23.Bf1 Ne5=+) 23...h4 24.Rc4 (24.Bf1!?-/+) 24...dc4-+ Black creates threats along the open d-file 25.Na5 Kh7 (25...cb5 26.ab5 hg3 27.hg3-+) 26.Nc4? (26.bc6!? Be6 27.Ne6 Qe6 28.Bg7 Kg7 29.Rd7 Kh6 30.Rb7 Rb7 31.cb7=+) 26...c5 (26...hg3 27.hg3 Rbd8 28.Qc2-+) 27.Ne2-/+ Be6 28.Nf4? (28.Bg7 Qg7 29.Be4 fe4-/+) 28...Bc4 (better 28...Rbd8!? 29.Rc1 hg3 30.hg3-+) 29.Qc4 hg3 (29...Rbd8 30.Rd8 Rd8 31.Be4 Qe4 32.Qe4 fe4 33.Bg7 Rd1 34.Kg2 Kg7 35.Ne6 Kf6 36.Nc5-/+) 30.hg3-/+ Rbd8 31.Rd8 Rd8 (31...Qd8 32.Qf7 Re7 33.Qg6 Kg8 34.Qf5+-) 32.Bg7 Qg7 (32...Rd1!? 33.Kh2 Nf2-/+ (33...Qg7?! 34.Be4 fe4 35.Qc5=; worse 33...Kg7 34.Be4 fe4 35.Qc5 Qc5 36.Ne6 Kf6 37.Nc5-/+)) 33.Be4=+ fe4 34.Qe4 Qf7 (34...Rd1 35.Kg2=+) 35.a5 (35.Qe5 b6=) 35...c4 (better 35...Rd2=+) 36.Ne2? (better 36.Ne6 Re8 37.Qh4 Kg8 38.Ng5=) 36...Rd1-/+ 37.Kh2? (37.Kg2 Qd5 38.Kf3-+) 37...Qd5 (better 37...Qf2 38.Kh3 Qf5 (38...Qe2?! 39.Qe7 Kh6 40.Qf8 Kh5 41.Qh8 Kg5 42.Qe5 Kh6 43.Qh8 Kg5 44.Qe5 Kh6 45.Qh8 Kg5=) 39.Qf5 gf5-+) 38.Qe7=+ Kh6 (38...Kg8!? 39.Qe8 Kg7 40.Qe7 Qf7 41.Qe5 Kg8=+) 39.Qf8= Kh7 The mate threat is Qh1 40.Qe7 Kg8 41.Qe8 Kg7 42.Qe7 Qf7 43.Qe5 Qf6 (43...Kg8 44.Nf4=+) 44.Qc7 Qf7 (44...Kf8 45.Kg2 Qf7 46.Qc5 Kg7 47.Nd4=) 45.Qe5 Kh7 (45...Kg8 46.Nf4=+) 46.Nf4 (46.Qe4 Qf2 47.Kh3 Qf5 (47...Qe2?! 48.Qe7 Kh6 49.Qf8 Kh5 50.Qh8 Kg5 51.Qe5 Kh6 52.Qh8 Kg5 53.Qe5 Kh6 54.Qh8 Kg5=) 48.Qf5 gf5-+) 46...Qf5 (46...Rd7!?=+) 47.Qe7 (47.Qc7 Rd7 48.Qc4 Re7+=) 47...Kh6 (47...Kg8 48.Qb7 g5 49.Nh3=) 48.Qh4 (48.e4!? Qg4 49.Qe8+/-) 48...Kg7= 49.Qe7 Qf7 50.Qe5 Kh7 51.Qc5 b6 (51...Rb1 52.Nh3 Qf5 53.Qc7 Kh6 54.Qd8=) 52.ab6 ab6 53.Qb6 c3 (53...g5 54.Nh3 Kg7 55.e4= (55.Ng5 Qf2 56.Kh3 Qf5 57.g4 Rh1 58.Kg2 Qf1 59.Kg3 Rg1 60.Kh4 Qf2 61.Kh5 Qh2 62.Nh3 Qh3 63.Kg5 Qg4)) 54.Qc6+= Qg7 55.b6 Rd2 56.Kg2 Rb2 (56...c2 57.Kf3+=) 57.Ne6 (57.Nd3!? Rb1 58.Qc7+=) 57...Qf6= Threatening mate: Qxf2 58.Qc7 (58.Qd7 Kh6 59.Nf4 Rb6 60.Qh3 Kg7 61.Qd7 Kf8 62.Qc8 Kg7 63.Qc7 Kh6=) 58...Kh6=+ 59.b7?? (better 59.Nf4=+) 59...Qf2 60.Kh3 Qf1 61.Kg4 Qf5 62.Kh4 Qh5 (62...Rh2) 0-1. XuMEPA (2150) - Route_69 (2075), Rated Classical game, lichess.org, 2014.

5.g3 Be6 6.Bg2 c6 7.Qc2 Qc7 8.Ne2 Nbd7 9.0-0 Be7 10.d3 0-0 11.Nd2 a5 12.a3 ab4 13.ab4 g6 14.Bc3 Rfc8 15.Qb2 Bf8 16.Rfb1 Bg7 17.Ra5 Bf7 18.Rba1 Ra5 19.Ra5 d5 20.c5 Re8 21.d4 e4 22.Ra7 Nf8 23.b5+= Qb8 24.b6 Ne6 25.Nb3 g5 26.Na5 Nd8 27.Qa3 Qc8 28.Nb7+/- Nb7 29.Qa6 Nd6 30.cd6 Qa6 31.Ra6 Rb8 32.Bb4 Be6 33.Bc5 Nd7 34.h4 h6 35.hg5 hg5 36.Nc1 Nc5? 37.dc5+- d4 38.Ra7?? d3+/- 39.Nd3 ed3 40.Bc6 d2 41.Ba4 Bd5 42.f4 g4 43.Kf2 Bf3 44.Bb3 Kh7+= 45.d7 Kg6= 46.Rc7 Rh8 47.Rc8 ½–½. Fekete,Albert – Feilmayr,Erwin, corr ICCF TT–6–02–F, 2008.

5.g3 Be7 6.Bg2 c6 7.Nf3 0-0 8.a3 e4 9.Nd4 c5 10.bc5 dc5 11.Nb5 a6 12.N5c3 Nc6 13.d3 Qd3 (better is 13...Ne5!? 14.0-0 Nd3–+) 14.Qd3+= ed3 15.Kd2 (better is 15.Nd5!?+=) 15...Rd8–+ 16.a4 (better is 16.Bd5 Nd5 17.Nd5–+) 16...Na5 17.Na3 (17.Bd5 Nd5 18.cd5 Nb3 19.Kd3 Na1 20.Ba1 b5–+) 17...Nb3 18.Kd1 Na1 19.Ba1 Be6 20.Re1 b5! 21.cb5 (21.ab5 Ra7 Combination; 21.cb5 Bb3 Pinning) 21...ab5 22.Nab5 (22.Ba8 d2 23.Rf1 b4–+) 22...Bb3 (better is 22...d2 23.Rg1 Ra4 24.Na4 Bb3 25.Ke2 d1Q 26.Rd1 Bd1 (26...Rd1?! 27.Bf6 gf6 28.Nac3–/+; 26...Ba4 27.Rd8 Bd8 28.Nd6+=) 27.Ke1 Ba4–+) 23.Kd2 Ba4?? (better is 23...Ra5–+) 24.Ba8–/+ Ra8 25.Bb2? Bb5–+ 26.Nb5 Rb8 27.Kd3? Rb5–+ 28.Bf6 Bf6 29.Kc4 Rb2 30.f4 Rh2 31.Kc5 Rc2 32.Kd5 Rd2 33.Kc4 h6 34.e4 fe4 35.Re4 Rg2 36.Re8 Kh7 0–1. Fournier,Frederic (1670) – Decepticon (1960), rated lightning game (1/0), 2002.

5.h3 g6 6.d4 e4 (6...ed4 7.ed4 Bg7 8.Nf3=) 7.Be2 Bg7 8.g4 (8.Nc3 0-0=) 8...0-0=+ 9.d5 (9.Nc3 c5 10.dc5 dc5 11.Qd8 Rd8=+) 9...Qe7 (9...fg4 10.a3-/+) 10.g5=+ Ne8 11.Qb3 (11.Bg7!? Ng7 12.h4=+) 11...Qg5 12.Bf1 Nd7 13.h4 Qe7 14.h5 Ne5 (14...g5!?-/+) 15.hg6=+ hg6 16.Be2 Qg5 17.Kf1?? (better 17.Bf1=+) 17...f4-+ 18.ef4 Qf4 (18...Rf4?! 19.Nd2-/+) 19.Bd4 (19.Ke1 Qf2 20.Kd1-+) 19...Nd3 20.Be3 (20.Nf3 Bd4 21.Nbd2 Nf2 22.Rg1 Ba1 23.Rg6 Kh7 24.Qb1-+) 20...Qf2!! (20...Ba1?! 21.Bf4 Nf4 22.Nd2=) 21.Bf2 (21.Bf2 Rf2 Mate attack) 21…Rf2 0-1. zembelek1 (2230) - jsyedidia (2415), Rated Classical tournament, lichess.org, 2016.

5.Nh3 a5 6.b5 g6 7.d4 Nbd7 8.Bd3 e4 9.Be2+= d5 10.Nf4 Nb6 11.c5 Nbd7?? 12.Ne6+- Qe7 13.Nc7 Kf7 14.Na8 (14.Na8 Qd8 15.Qa4+-) 1–0. Paz y B,Gustavo – Castilho,Marco A, TT–04–0032 B, 2004.

5.Nh3 Be7 6.Qa4 Qd7 7.Qd7 Nbd7 8.d4 =.

5.a4 a6

6.b5 Be7 7.Nc3 0-0 8.Nf3 Qe8 9.Be2 h6 (9...Qg6 10.0-0=) 10.d4 e4 11.Nd2 Nbd7 (11...Qg6 12.0-0=) 12.Qb3 Kh8 13.h4 (13.0-0 Qg6+=) 13...b6 14.g3 (14.0-0 Qg6=) 14...a5 15.0-0-0 Bb7 16.Rdg1 c6 17.g4 (17.Kd1 Rc8=) 17...fg4=+ 18.Bg4 cb5 19.cb5 Rc8 20.Bd7 (20.Bf5!?=+) 20...Qd7-/+ 21.Rg6 d5 (21...Qf5 22.Rhg1 Ne8 23.Kd1 Qh5 24.Kc1-/+) 22.Rhg1 Rg8 (22...Rf7 23.Kd1-/+) 23.Kb1 (23.Kd1!?=+) 23...Bb4-/+ 24.Ka1 Qc7 25.Ndb1 Qc4 (25...Qh2 26.R1g2 Qh4 27.Ba3 Bc3 28.Nc3 Qh1 29.Rg1=+) 26.Qc4 Rc4 (26...dc4? 27.d5 Kh7 28.Ne4+-) 27.Ka2 Bc8 (27...Rc7 28.Kb3=+) 28.Kb3 (28.Rf6 gf6 29.Rg8 Kg8 30.Nd5 Be6 31.Nf6 Kf7=) 28...Be6 29.Nd2 (29.Ba3!?=+) 29...Rc7-/+ 30.f4 Bf5 (30...ef3!? 31.Nf3 Bf5-/+) 31.R6g2=+ Rgc8 32.Ndb1 h5 33.Rg5 (33.Rg5 Bg4 34.Rc1=+ (34.Nd5?? Be6-+)). BeepBeepImAJeep (2595) - chessthepawn (1870), lichess.org, 2016.

6.d4 e4 7.c5 (7.Be2 d5 8.c5 b6=) 7...d5 (7...a5 8.cd6 Bd6 9.b5=+) 8.b5 (8.Nh3 Be7=) 8...ab5 (8...b6 9.Qc2=+) 9.ab5 Ra1 10.Ba1 Bd7 (10...b6=) 11.Ne2 (11.Nh3 c6=) 11...Be7 (better 11...Bb5!? 12.Qb3 c6=+) 12.Ng3 (12.Nbc3 c6+=) 12...0-0= 13.Nc3 Qe8 14.Qb3 Be6 15.Be2 (better 15.b6 cb6 16.Qb6=) 15...Nfd7 (15...Nbd7 16.Bb2=) 16.0-0 (16.Nd5!? Kh8 17.Bc4+/-) 16...Nf6 17.Bb2 Nbd7 18.Ra1 b6 19.c6 Nb8 20.Ra8 Bd6 21.Ba3 Qe7 22.Bd6 Qd6 23.Qa3 Qa3 24.Ra3 Ne8? (24...g5 25.Nh5 Kf7 26.Ra7+/-) 25.Bd1 (25.Ra7!?+-) 25...Nd6+/- 26.Bb3 Nc4? (better 26...Kf7+/-) 27.Bc4 dc4 28.Ra4 (28.d5 f4 29.ef4 Bf7+-) 28...Rd8 (28...g6 29.d5 Bf7 30.Rc4+-) 29.h3 (better 29.Ra7!? Kf8+-) 29...g6 30.Nge2 (30.Ra7 Rc8+-) 30...Kg7 (30...Kf8 31.Nf4 Ke7 32.Ne6 Ke6 33.Rc4+-) 31.Nf4 Bf7 32.Kf1 (32.g4 g5 33.Nfe2 fg4 34.hg4 Be6+-) 32...Rd6 (32...g5 33.Nfe2+/-) 33.Ke1 Nc6 34.bc6 Rc6 35.Ra7 b5? (better 35...h6+-) 36.Nb5 c3 (36...g5 37.Ne2+-) 37.Rc7 (37.Nc7?! c2 38.Ne2 c1Q 39.Nc1 Rc1 40.Kd2 Rf1 41.Ne8 Kf8+/-) 37...Rc7 38.Nc7 Bb3 (38...Bc4 39.h4+-) 39.Ne2 (39.Nfd5!? c2 40.Kd2 g5+-) 39...c2 40.Nc1 Bc4 41.Kd2 Bf1 42.g3 Bh3 43.Kc2 Bf1 (43...g5 44.d5 Kf7 45.d6+-) 44.Kd2 (44.d5 Kf6 45.d6 Bc4+-) 44...Bc4 (44...g5 45.d5 Kf6 46.d6+-) 45.Ne2 (45.d5!? g5+-) 45...Kf6 46.Nf4 h6 (46...g5 47.Kc3 Ba2 48.Nfd5 Bd5 49.Nd5 Ke6 50.Kc4+-) 47.Ncd5 Kf7 48.Nc3 g5 49.Ng2 (49.Nh5!? Kg6 50.g4 fg4+-) 49...h5 50.Ne2 Ke6 51.Ng1 (51.Ne1!? Ke7+-) 51...Bf1 52.Ne1 Kd5 (52...h4 53.gh4 gh4 54.Ne2+-) 53.Kc3 (better 53.Ne2+-) 53...Ba6?? (53...h4 54.f4 h3 55.Nh3 (55.fg5?? h2 56.Ngf3 ef3-+) 55...Bh3 56.fg5+-) 54.Kb4 (54.Nh3 g4 55.Nf4 Kd6 56.Nh5 Bc8+-) 54...Kc6?? (better 54...Bf1+-) 55.Nh3 g4 56.Nf4 h4 (56...Kd6 57.Nh5 Bc8 58.Ng2+-) 57.gh4 Bc8 (57...Kd6+-) 58.h5 Bd7 59.h6 (59.h6+-) 1-0. dannysmet (2105) - Lilfame (2085), Rated Blitz game, lichess.org, 2021.

5.a4 Be6

6.b5 c6 7.Nf3 Be7 8.Be2 h6 9.0-0 0-0 10.d4 e4 11.Nfd2 d5 12.Nc3 Bd6 13.f4 Bf7 14.Qb3 h5 (14...dc4 15.Nc4 Qc7 16.Ba3+=) 15.Ba3 (15.c5 Bc7+/-) 15...Qc7 (15...Ba3 16.Qa3 dc4 17.Nc4+=) 16.bc6 Ba3?? (better 16...bc6 17.Rfc1 h4+/-) 17.cb7+- (17.Qa3?! Nc6 18.cd5 Nd5 19.Bh5 Rfd8 20.Bf7 Qf7 21.Nd5 Qd5+/-; 17.Ra3?! Nc6 18.Nd5 Nd5 19.cd5 Ne7+=) 17...Bd6 (17...Nbd7 18.ba8R Ra8 19.Ra3 Rb8+-) 18.ba8Q Nc6 19.Qab7 Rc8 20.Qc7 Rc7 21.Nb5 Rd7 22.Nd6 Rd6 23.cd5 (better 23.Qb7!? Be8+-) 23...Nd5 24.Nc4 Rd7 25.Ne5 Ne5 26.de5 Nf4 27.Qb8 Kh7 28.ef4 Bd5 29.Rad1 Bc6 30.Rd7 Bd7 31.Bb5 (31.Bb5 e3 32.Bc4 Bc8 33.Qc8 e2 34.Qg8 Kh6 35.Bf7 ef1Q 36.Kf1 g5 37.fg5; 31.Bc4 Kg6 32.Bg8 Be6 33.Qe8 Kh6 34.Qe7 Bg8 35.Qg5 Kh7 36.Qh5) 1-0. BeepBeepImAJeep - bcatalin20 (1910), lichess.org, 2016.

6.Nf3 Nbd7 7.Be2 c6 8.Qc2 h6 9.h3 g5 10.d4 e4 11.Nh2 Bg7 12.Nd2 0-0 13.a5 d5 14.c5 f4 15.b5 cb5 16.Bb5 Nh5 17.Ne4? (better is 17.0-0=) 17...de4–/+ 18.Qe4 Re8 19.Qc2 (better is 19.Qb7!? Rb8 20.Qa6–/+) 19...fe3–+ 20.fe3 Ng3 21.Rg1 Bf5 (21...a6 22.Bc4–+) 22.Bc4–/+ Kh8 23.Qf2 Qc7 24.0-0-0? (better is 24.Nf1!? Nf1 25.Rf1–+) 24...b6 25.Bd5?? (25.Nf1 Nf1 26.Rgf1–+) 25...bc5 (25...bc5 26.e4 cd4 27.Kb1 Be4 28.Be4 Ne4–+) 0–1. blackiwhite (1620) – wuefista1 (1720), internet, 2013.

5.Qb3 g6

6.Nc3 Bg7 7.Nf3 c6 (7...a5 8.b5=) 8.d4 e4 9.Nd2 0-0 10.Be2 Be6 11.a4 d5 12.b5 Nbd7 13.0-0 Re8 14.Rfc1 (14.a5 f4+=) 14...Qe7 (14...Bh6 15.a5=) 15.Ba3 Qf7 16.bc6 bc6 17.Qb7 Ne5 (17...dc4 18.Rab1=) 18.Rab1 (18.Qf7 Nf7 (18...Kf7? 19.de5 Nd7 20.cd5 cd5 21.f4+-) 19.cd5 Nd5+=) 18...Qb7= 19.Rb7 Nc4 20.Nc4 dc4 21.Rcb1 (21.a5 h6=) 21...Nd5 22.Na2 (22.Nd1 c3 23.Rc1 f4=) 22...c3 (22...f4 23.Bc4 fe3 24.fe3 Bh6-/+) 23.Nb4? (23.Bc4 c2 24.Rc1=+) 23...Bc8?? (better 23...Nb4 24.Bb4 c2-+) 24.Nd5+= cd5 25.Rc7 Bf8 (25...Re6 26.Rc3 Ba6 27.Bb5=) 26.Bf8 Rf8 27.Rc3 Be6 28.Rb7 Rfb8 (28...Rf7 29.Rf7 Bf7 30.h4+=) 29.Rcb3 (29.Re7 Re8 30.Re8 Re8+/-) 29...Rc8+= 30.g3 Rc2 31.Bf1 (31.Ba6 f4 32.gf4 Bh3+=) 31...Rc1 (31...Bc8 32.Re7=) 32.Kg2 g5 33.Re7 Bf7 (better 33...Bc8!?+=) 34.Rbb7+- Bg6 35.Ra7?? (35.a5+-) 35...Rb8?? (better 35...Ra7 36.Ra7 Bh5=) 36.Bb5+- Bh5 (36...Rc2+-) 37.Rg7 (37.Rh7?! Bf3 38.Kh3 Bg4 39.Kg2 Bf3 40.Kh3 Bg4 41.Kg2 Bf3=) 37...Kf8 38.Rg5 (better 38.g4 Ra8 39.gh5 Ra7 40.Ra7+-) 38...Bf3 39.Kh3 Bg4 40.Kh4 Rh1 41.Rgg7 Rh2?? (better 41...Rb5 42.Rg4 h6+-) 42.Kg5 Bh5 43.Rh7 (43.Rh7 Kg8 44.Rag7 Kf8 45.Rd7+-) 1-0. ClayPigeons (2175) - Anbarosch (2295), Rated Blitz game, lichess.org, 2019.

6.Nf3 Bg7 7.d4 Bd7 (better 7...ed4!? 8.Nd4 a5=) 8.de5+/- de5 9.Ne5 Nc6 10.Nd7 Qd7 11.Nc3 0-0-0 12.Be2 (12.Rd1 Qe7 13.b5 Nd4+/-) 12...Qd2 13.Kf1 Ne4 14.Rd1?? (14.Ne4 Qb2 15.Qb2 Bb2+=) 14...Rhe8?? (better 14...Bc3 15.Rd2 Nd2 16.Ke1 Nb3 17.Bc3 Nc1-+) 15.Ne4 (15.Kg1!? Bc3 16.Rd2 Rd2 17.Bc3 Re2 18.c5=) 15...Qb2= 16.Qb2 (16.b5 Qb3 17.ab3 Rd1 18.Bd1 Rd8= (worse 18...Re4 19.bc6 bc6 20.Bf3+=)) 16...Rd1 17.Bd1 Bb2 18.Nc5 (18.Ng5 Nb4 19.Bb3 h6=) 18...Nb4=+ 19.Ke2 (19.Na4 Bc1-/+) 19...Ba3 (19...Na2 20.Kd2-/+) 20.Nd3 (20.Ba4 Rd8 21.Ra1 b6=+) 20...Nd3 (better 20...Na2!? 21.Kd2 Rd8-/+) 21.Kd3=+ Rd8 22.Ke2 Bb4 23.Bb3 Rd2 24.Kf3 g5 25.h3 Bd6 Black plans f4 (25...h5 26.Rd1 g4 27.Kg3 Bd6 28.Kh4 Rf2 29.c5 Be7 30.Kh5=) 26.g4+= f4 27.Re1 (27.h4 h6+=) 27...h6 (27...fe3 28.Ke3 Bf4 29.Kf3 Rd3 30.Kg2 Kd7=) 28.Ba4 (28.ef4 Bf4 29.Re6 Rd3 30.Kg2 Rd6=) 28...c6 (28...Ra2 29.Be8 fe3 30.Re3 a5-/+) 29.e4? (better 29.Rd1!? Rd1 30.Bd1=) 29...Be5 (29...Ra2 30.Bd1-+) 30.Kg2? (better 30.Bb3!?-/+) 30...Bd4-+ 31.Rf1 Kd7 (31...Ra2!? 32.Bd1-+) 32.Bb3 (32.Rd1!? Rf2 33.Kh1-/+) 32...Ke6-+ 33.c5 (better 33.Kf3-+) 33...Ke5 34.Rc1? (34.Kf3-+) 34...Ke4 35.Rf1 f3 36.Kg3 (36.Kg1-+) 36…Be5 0-1. ClayPigeons (2195) - Ingo_statt_DWZ (2165), Rated Bullet game, lichess.org, 2021.

5.b5

5.b5 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.b5 Nf6 5.c4).

5.b5 Be7 6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.b5).

5.Nc3 a5

6.a3 ab4 7.ab4 Ra1 8.Qa1=+.

6.a3 ab4 7.ab4 Ra1 8.Ba1 Be7 9.Nf3 0-0 10.Qb3 Be6 11.Ng5 Bd7 12.c5 Kh8 13.Nf7 Rf7 14.Qf7 Nc6 15.b5 Nb4 16.cd6 Bd6 17.Qb3 Qa8 18.Bb2 b6 19.f3 f4 20.e4 c6 21.bc6 Bc6 22.Bb5 Bb5 23.Nb5 Bc5 24.Be5 Qd8 25.Bf6 gf6 26.Ke2 Qd7 27.Qc4 Qg7 28.Kf1 Qh6 29.d4 Bf8 30.Ke2 Qh4 31.Qf7 Normal 1-0. carlos78 (2300) - baran2000 (2030), Rated Blitz game, lichess.org, 2015.

6.a3 Be7 7.Qb3 (7.b5 0-0=) 7...0-0 8.Nf3 h6 (8...e4 9.Ng5=+) 9.Nh4 (9.b5 e4 10.Nd4 c5 11.bc6 bc6 12.c5 Kh8 13.cd6 Bd6=) 9...Kh7=+ 10.Qc2 (10.Nf3!?=+) 10...e4-/+ 11.g3 c6 (11...ab4 12.ab4 Ra1 13.Ba1-/+) 12.Ng2 (12.b5 cb5 13.Nb5 Nc6=+) 12...d5 (12...ab4 13.ab4 Ra1 14.Ba1=+) 13.cd5 (13.b5 Nbd7=+) 13...cd5 (13...ab4!? 14.ab4 Ra1 15.Ba1 Bb4 16.dc6 Nc6=+) 14.b5= Ng4 (14...Nbd7 15.Be2=) 15.d4 Bd7 (15...Be6!?=) 16.Nf4+= Nf6 17.Nfd5 Nd5 18.Nd5 Bd6 (18...Bb5 19.Nc7 Bf1 20.Na8+=) 19.Nf4 (19.Rc1 b6+/-) 19...Qe8 (19...a4 20.Qc3+=) 20.a4 g5 21.Ng2 (21.Nd5 Be6 22.Nb6 Ra7+/-) 21...Be6 22.Bc4 (22.h4!? g4 23.Ba3+/-) 22...Bb4+= 23.Ke2?? (23.Kf1 Nd7 24.Be6 Qe6=) 23...Nd7?? (better 23...Qh5 24.Kf1 Rc8-+) 24.Be6= Qe6 25.Ba3 Rac8 26.Qb1 (26.Qa2!? Qa2 27.Ra2 Ba3 28.Ra3 Rc2 29.Kf1=) 26...Qc4=+ 27.Kd1 Nb6 (27...Bc3!? 28.Ra2 Rfd8-/+ (28...Qa4?! 29.Qc2 Qc2 30.Rc2=)) 28.Bb4= ab4 29.Ke1? (29.h4 b3 30.Ra3 Na4 31.Rb3 g4-/+) 29...Nd5 (29...b3 30.h4 Qc3 31.Ke2 b2-+) 30.h4? (30.Qb2 b3 31.Rb1 Qb4 32.Kf1 Rc2 (32...Qa4?! 33.Ne1-/+) 33.Qb3 Qd2 34.Qc2 Qc2-+) 30...g4 (30...b3 31.hg5 Qc3 32.Ke2 b2-+) 31.Nf4= Nc3 32.Qc2 (better 32.Qc1!?=+) 32...b3-/+ 33.Qb2 (33.Qd2 Na4 34.Rb1 Qb5-/+) 33...Na4-+ 34.Ra4 (34.Ra4 Qa4 35.Kf1-+). carlos78 (2220) - Ak202 (2045), Rated Blitz game, lichess.org, 2015.

6.Qa4 Qd7 7.b5 Qe7=.

6.b5 g6 7.a4 Bg7 8.h3 0-0 9.d4 e4 10.Be2 Be6 11.d5 Bf7 12.g4 Nbd7 13.g5 Nh5 14.h4 Ne5 15.f4 ef3 16.Nf3 Qe7 17.e4 fe4 18.Ne4 Nf3 19.Bf3 Bb2 20.Ra2 Bg7 21.Re2 Be5 22.Bh5 gh5 23.Rf1 Bg6 24.Nf6 Kh8 25.Re3 Qg7 26.Nh5 Bh5 27.Qh5 Rf1 28.Kf1 Rf8 29.Ke2 Qf7 30.Qf7 Rf7 31.Rf3 Rf3 32.Kf3 Kg7 33.h5 h6 34.g6 Kf6 35.Kg4 b6 36.Kf3 Kg5 37.Ke4 Kh5 38.Kf5 Ba1 39.g7 Bg7 40.Ke6 Bd4 41.Kd7 Bc5 42.Kc7 Kg4 0-1. zembelek (2050) - ntelias (2235), Rated Blitz game, lichess.org, 2016.

5.Nc3 Nc6

6.a3 Be6 7.Be2 Be7 8.d4 ed4 9.ed4 Ne4?? (better 9...d5=) 10.d5 Bd5? (better 10...Bf6 11.Rc1 a5 12.dc6 bc6+-) 11.cd5 (11.Qd5?! Bf6 12.Ne4 Bb2+-) 11...Ne5 12.Ne4 fe4 13.Nh3 (13.Bb5 Kf7 14.Qc2 a6+-) 13...0-0 14.0-0 Bf6 15.Rb1 c6 (15...Nf7 16.Bf6 Qf6 17.Rc1+-) 16.Nf4 cd5 (16...Qd7+-) 17.Ne6 Qe7 (17...Qd7 18.Nf8 Kf8 19.Qd5+-) 18.Nf8 Rf8 19.Qd5 Kh8 (19...Qf7 20.Qe4 d5 21.Qf5+-) 20.Qe4 b6 21.Be5 (21.Rfd1 Qd8+-) 21...de5 (21...Qe5 22.Qd3+-) 22.Bd3 g6 23.f4 (23.Rfe1 Rd8+-) 23...Re8 (23...ef4 24.Rf4 Qe4 25.Re4+- (25.Be4?! Bd4 26.Kf1 Rf4 27.Bf3 b5=)) 24.fe5 (24.f5 g5+-) 24...Be5 25.Kh1 Qg5 (25...Bd6 26.Rbe1 Qe4 27.Re4 Re4 28.Be4+-) 26.Rbe1 Qh6 (26...Kg7 27.Qd5 Re7 28.Re4+-) 27.h3 (better 27.g3 Qg7+-) 27...Qg5 28.Qf3 (better 28.Rf3 Kg7 29.Qd5+-) 28...Qh6 (28...Rd8+-) 29.Bc4 (29.Re5 Rg8 30.Re7 Qh4 31.Qe3 h6 32.Qe5 Qf6 33.Qf6 Rg7 34.Qg7) 29...Qg7 (29...Qg5 30.Qd5 a5 31.Re5 Qe5 32.Rf8 Kg7 33.Qf7 Kh6 34.Re8+-) 30.Qf7 (30.Qd5 b5 31.Rf7 bc4 32.Rg7 Kg7 33.Qd7 Re7 34.Qe7 Kg8 35.Rd1 Bc7 36.Qc7 c3 37.Rd8) 30...Qf7 (30...Re7 31.Qd5 h5 32.Qd8 Kh7 33.Bg8 Qg8 34.Qe7 Bg7 35.Rf7+-) 31.Rf7 h5 (31...a6 32.Rd7 b5 33.Bf7+-) 32.Ra7 Rc8 33.Re7 (33.Re5 Rf8 34.Ree7 Rf7 35.Rf7 h4 36.Rh7) 33...Bg3+- 34.Re8 Kg7 (34...Re8 35.Re8 Kg7 36.Re7 Kh6+-) 35.Rc8 (35.Rc8 Be1 36.Rg8 Kh7 37.Bf7+-) 1-0. e4_e5_f4 (1715) - hhakan1 (1710), lichess.org, 2020.

6.Qb3 a5 7.b5 Ne7 (7...Nb8 8.d4 Be7 9.Rd1 ed4 10.Rd4 Be6 11.b6 0-0 12.bc7 Qc7 13.Nd5=; 7...Na7 8.d4 Be6 9.Nf3 e4 10.d5 ef3 11.de6 Qe7 12.Nd5 fg2 13.Bg2+/-) 8.Nf3 (8.Rd1 Be6 9.d4 ed4 10.ed4 Ne4 11.d5 Nc5 12.Qc2 Bd7 13.Nf3+=) 8...h6 (8...e4 9.Nd4= c5 10.bc6 bc6 11.Rb1 Bd7 12.Be2 Rb8 13.Qc2=; 8...Ne4 9.d4 ed4 10.ed4 Be6 11.d5 Nc5 12.Qc2 Bd7 13.Be2+=) 9.c5 (9.Be2 e4 (9...g5+= 10.d4 e4 11.Nd2 Bg7 12.0-0 Be6 13.f3+=) 10.Nd4 c5 11.bc6 bc6 12.0-0 Qc7 13.Rfb1+=) 9...g5 (9...e4 10.cd6 Qd6 11.Nd4= Ned5 12.d3 Nc3 13.Qc3=) 10.b6+= Ng6 11.bc7 Qc7 12.Nb5 Qb8 13.Nd6 Bd6 14.cd6 Qd6 15.Ba3 Qd8? 16.Bb5+- Nd7 17.Qe6 Ne7 18.Ne5 Rh7 19.Be7 (19.Be7 Qe7 20.Qg8 Qf8 21.Qh7+-) 1–0. Vasut,Karel (2190) – Gallinis Nemcova,Vaclava (2045), Highlands Open A, 2007.

6.b5 Na5 7.Qa4 b6 8.Nf3 Be7 9.d4 e4 10.Nd2 0-0 11.Nd1 (11.Be2 a6=) 11...Bd7 12.Bc3 Nb7 13.Qb3 Be6 14.g3 (14.Qc2 d5=+) 14...d5 15.a4 Rc8 16.a5 Kh8 (16...Qd7!?=+) 17.a6 Nd6 18.c5 bc5 19.dc5 Nf7 20.Bd4 Ng4 21.h3 Nge5 22.c6 Ra8 23.Be2 Bf6 24.Qc3 Qb8 25.Rb1 Qd8 26.f4 (better 26.0-0+=) 26...Nc4 (better 26...ef3 27.Bf3 Nf3 28.Nf3 Nd6=) 27.Bf6+/- Qf6 28.Qf6 gf6 29.Nc4 dc4 30.Rb4 Nd6 31.Nc3 Rab8 32.Kd2 (32.Kf2 Kg7+/-) 32...Rg8 33.Rg1 Kg7 34.g4 Kf7 35.Ke1 (35.Rh1 Rb6+=) 35...h5 (better 35...fg4 36.Bg4 Bg4 37.Rg4 Rg4 38.hg4 Rg8+=) 36.Kf2?? (better 36.g5 fg5 37.fg5+=) 36...hg4 37.hg4 (37.h4 Rh8 38.Kg3 Rh7-/+) 37...fg4 38.Kg3 (38.f5 Bf5 39.Bc4 Be6 40.Be6 Ke6-/+) 38...f5 (38...Nf5 39.Kf2 g3 40.Ke1 Ne3 41.Kd2-+) 39.Rh1 Rh8 40.Rh8 Rh8 41.Bf1 Rh1 42.Kf2 Kf6 43.Ne2 Rh2 44.Bg2 c3 (better 44...Nc8!?-+) 45.Nc3=+ Bc4 46.Rc4? (better 46.Kg1!? Rh7 47.Kf2-/+) 46...Nc4-/+ 47.Nd5 Ke6 48.Nc7 Kd6 49.Ne8 Ke7 50.Ng7 Nb2?? (better 50...Nd6 51.c7 Rh8 52.Nf5 Nf5 53.Be4 g3 54.Kf3 Nd6-+) 51.Nf5 Kf7 (51...Kf7 52.c7 Rh8 53.Nd6 Ke6 54.c8Q Rc8 55.Nc8 Nc4+-). zembelek (2095) - babken (2100), Rated Blitz game, lichess.org, 2014.

6.b5 Nb8 7.Nf3 Be7 8.Be2 (8.c5 e4 9.cd6 Bd6+=) 8...0-0 9.0-0 c6 (9...e4 10.Nd4+=) 10.a4 (10.d4 ed4 11.ed4 Nbd7+-) 10...a6 (10...e4 11.Nd4=) 11.Qb3 (11.c5 ab5 12.Qb3 d5 13.Ne5 Nbd7 14.Nd7 Bd7 15.ab5 Bc5 16.Ra8 Qa8+=) 11...c5 (11...e4!? 12.Ne1 ab5 13.ab5 Ra1 14.Ba1 Be6=) 12.d4+- e4 13.Ng5 h6 (13...cd4 14.ed4 Kh8 15.h4+-) 14.Nh3 (better 14.dc5 dc5 15.Nh3+-) 14...Qc7? (better 14...cd4!? 15.ed4 Be6+-) 15.Nf4+- White prepares the advance d5 15...Kh7 16.d5 (16.Rfc1 Rg8+-) 16...g5 (16...Qa5 17.Ne6 Nbd7 18.Nf8 Bf8 19.Nb1+-) 17.Ne6 Be6 18.de6 Qc8 19.Nd5 Bd8? (19...Nd5 20.cd5 ab5 21.ab5 Ra1 22.Ra1 g4+-) 20.e7 Nd5 (20...Be7 21.Ne7 Qe6 22.Bf6 Qf6+-) 21.ef8Q (21.ef8Q Nf6 22.Qf7 Kh8 23.Bf6 Bf6 24.Qf6 Kg8 25.Qbc3 Qd7 26.Bh5 ab5 27.Qh8; 21.cd5?! Be7 22.f3 ef3 23.Rf3 Bf6 24.Bf6 Rf6+-; 21.ed8Q Qd8 22.cd5 Nd7+-; worse 21.ed8N Nf6 22.ba6 Na6 23.Bf6 Rf6 24.Qb7 Kg6 25.Qc8 Rc8+-; worse 21.ed8B Qd8 22.cd5 Nd7+-) 1–0. DEFFM – GuestCTQR, freechess.org, 2018.

5.d3 Be7

6.Nd2 0-0 7.Be2 c6 8.a3 Be6 9.Ngf3 Na6 10.Qc2 Nc7 (10...b5 11.0-0=) 11.0-0 Qd7 12.c5 e4 13.de4 fe4 14.cd6 ef3 15.de7 Qe7 16.Nf3 Ncd5 17.Rad1 Rae8 18.Bd4 Nd7 19.Rd2 Bf5+/- 20.Bd3 Bd3 21.Qd3 a6 22.Ne1 Rf7 23.Nc2 Qg5 24.f3 Re6 25.f4 Qg4 26.Rf3 N7f6+= 27.Rg3 Qh4 28.Rh3 Qg4 29.Bf6 Nf6 30.Rg3 Qh4 31.Qb3 Re8 32.Rd4 Ng4 33.Rd7 Qh2 34.Kf1 Qh1 35.Ke2+/- Nh6 36.Rb7 Kf8 37.Rf7 Nf7 38.Nd4 Qh5 39.Kf2 Qd5 40.Qd5 cd5 41.Nb3 Nd6 42.Nc5 Ne4 43.Ne4 de4 44.Rg5 Rc8 45.Rf5 Kg8 46.Rc5 Rc5? 47.bc5+- Kf7 48.f5 Ke7 49.Kg3 Kd7? 50.Kf4+- Kc6 51.Ke4 Kc5 52.Ke5 (52.Ke5 Kc4 53.e4+-) 1–0. Labahn,Wolfgang – Bettex,A, Ostende 4–Landerturn, 1989.

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.d3).

5.d4 Qe7

6.de5 de5 7.a3 Nc6 8.Nf3 Bd7 9.Nc3 0-0-0 10.Qb3 f4 11.e4 Nd4 12.Nd4 ed4 13.Ne2 Qe4 14.Bd4 Re8 15.Bf6 gf6 16.c5 Bb5 17.Qh3 Kb8 18.Qf3 Qd4 19.Rd1 Qb2 20.h3 f5 21.Rd2 Bg7 22.Rb2 Bb2 23.Qf4 Ba4 24.Qd2 Ba3 25.f3 Rd8 26.Qa2 Bb4 27.Kf2 Bc5 28.Kg3 Bc6 29.f4 Rhg8 30.Kh4 Bf2 31.Kh5 Be8 32.Kh6 Rg6 33.Kh7 Rd7 34.Kh8 Bh4 35.Qe6 Bf6 36.Qf6 Rf6 37.Ng3 Bg6 38.Bc4 Rf8 39.Bg8 Bf7 40.Kg7 1–0. vihavald (1640) – szymon672, internet, 2014.

6.Nf3 e4 7.Nfd2 a5 8.b5 c6 (8...Nbd7 9.Be2+=) 9.a4 (9.Nc3 g6+/-) 9...d5 (9...g6 10.Nc3+=) 10.Ba3 (10.Be2 Kf7+/-) 10...Qf7 11.Bf8 Rf8 12.g3 (12.Nc3 Be6+=) 12...g5 (12...Be6=) 13.h4 (13.Qc1 Be6=) 13...h6 (better 13...f4 14.cd5 fe3 (14...Nd5 15.Ne4 Qg6 16.Bd3 fe3 17.fe3 gh4 18.Rh4+-) 15.fe3 cd5=+) 14.hg5 hg5 15.Be2 (better 15.Nc3+/-) 15...Ng4? (better 15...f4!? 16.gf4 gf4 17.ef4 Qg7+/-) 16.Nc3+- Nd7 (16...Be6 17.Qb3+-) 17.Bg4 (better 17.Rc1!?+-) 17...fg4+/- 18.Qg4?? (better 18.Qe2+/-) 18...Qf2 19.Kd1 Qf5?? (better 19...Qe3 20.Qe6 Kd8 21.Nd5 cd5 22.Qd5 Qc3-+) 20.Qf5+- Rf5 21.Ke2 (better 21.cd5!? cd5 22.g4 Rf7 23.Nd5 Nf8+-) 21...Nf6 (21...Nf8 22.Rab1+/-) 22.Rh8 Kf7 23.bc6 (better 23.Rah1!? g4 24.cd5 cd5 25.Rd8+-) 23...bc6+= 24.Rah1 (better 24.Rb1 Kg7 25.Rbh1+=) 24...Bb7? (better 24...Kg7!?=) 25.Ra8 (better 25.g4!? Rh8 26.Rh8 Ng4 27.Rh7 Kf8 28.Rb7 Rf2 29.Ke1+-) 25...Ba8+/- 26.cd5 (better 26.Rb1 Ng4 27.Rb8 Rf2 28.Ke1+-) 26...Nd5?? (better 26...cd5 27.Rh8 Bb7+=) 27.Nce4+- Kg6 (27...Kg7 28.Nc5 Rf7+-) 28.Rh8 Bb7 29.Nd6 (better 29.Nc5 Nc3 30.Kd3 Rc5 31.dc5 Na4 32.Kd4+-) 29...Ba6+/- 30.Ke1 Rf6 31.N6e4 Re6 32.Kf2 (better 32.Rg8 Kh6 33.Rg5+/-) 32...Bd3= 33.Nc5 Rf6? (better 33...Re3 34.Nf3 Re2 35.Kg1 g4 36.Rg8 Kf6 37.Rg4 Re3=) 34.Kg1 (34.Ke1 Nb4 35.e4 Nc2 36.Kd1 Nb4+-) 34...Kg7 35.Rc8 (better 35.Ra8 Bc2 36.Nc4+-) 35...Rf1?? (better 35...Bf5 36.Re8 Bg4+-) 36.Nf1+- Nb4 (36...Bf1 37.Kf1 Ne3 38.Kf2+-) 37.Nd3 Nd3 38.Rc6 Ne1 39.Ra6 (better 39.Rc3 Nf3 40.Kf2+-) 39...Nf3 40.Kf2 g4 41.Ra5 Kg6 (41...Kg6 42.Rc5 Kf6 43.a5 Kg6 44.a6 Kf6 45.a7 Ke7 46.a8Q Ne5 47.Re5 Kf7 48.Qc6 Kf8 49.Qb7 Kg8 50.Re8; 41...Kh8 42.Rh5 Kg7 43.Rc5 Kf6 44.a5 Kg6 45.a6 Kf7 46.a7 Ke6 47.a8Q Ne5 48.Re5 Kd6 49.Qd5 Kc7 50.Re7 Kb6 51.Rb7 Ka6 52.Qb5). foytik (2285) - HighcarbAthlete (2175), Rated Classical game, lichess.org.

5.Ne2 Be7

6.d4 e4 7.Nf4 0-0 8.Be2 c6 9.Nc3 Na6 (9...g5 10.Nh3 h6 11.d5+=) 10.a3+= Nc7 11.0-0 (11.d5 g5 12.Nh3 h6+=) 11...Bd7 (11...d5 12.cd5 Nfd5 13.Qb3=) 12.b5 (12.d5 a5+=) 12...cb5 13.Nb5 Bb5 14.cb5 d5 15.Qb3 (15.a4 Qd7=) 15...Re8 16.a4 Bf8 (16...Bd6 17.Rfe1=) 17.Rac1 (17.Ba3 Ba3 18.Ra3 Rc8=) 17...Ne6 (17...Bd6 18.Nh3=) 18.Ne6 Re6 19.Rc2 Rc8 20.Rfc1 Rc2 21.Qc2 (21.Rc2 Re8=) 21...Bd6= 22.g3 Re8 23.Bd1 g5 (23...Re7 24.Qc8 Qc8 25.Rc8 Kf7 26.h4=) 24.Qe2 Qd7 25.Bb3 Rc8 26.Rc8 Qc8 27.Qc2 (27.Qd2 Qc7=) 27...Qc2=+ 28.Bc2 Kf7 29.Bb3 Ke6 30.Bd1 f4 31.Kf1 (31.gf4 gf4 32.ef4 Bf4=+) 31...f3-/+ 32.h3 (32.Bb3 a6-/+) 32...h5 (32...Bb4 33.Bb3-+) 33.Bb3 (33.Bc3 h4 34.g4 Ne8-/+) 33...Bb4 34.Ba2 Nd7 35.Bb3 a6 36.ba6 ba6 37.Bc2 g4 38.hg4 hg4 39.Bb3 Nb6 40.Bc2 a5 41.Bc1 Nc4 42.Bb3 Nd6 43.Bb2 Nf5 44.Bc1 Kd6 45.Bc2 Ne7 46.Bb3 Nc6 47.Bc2 Bc3 (47...Nb8 48.Bb3-/+) 48.Ba3 Bb4 49.Bc1 Na7 50.Bb3 Nc8 51.Bc2 Kc6 52.Bb3 Nd6 53.Bc2 Nc4 54.Bb3 Nd6 55.Bc2 Nf5 56.Bb3 Ne7 57.Bc2 Ng6 58.Bb3 Nf8 59.Bc2 Nh7 60.Bb3 Nf6 61.Bc2 Nd7 62.Bb3 Nf8 63.Bc2 Ne6 64.Bb3 Ng5 65.Bc2 Nh3 (65...Kd6 66.Bb3-+) 66.Bb3 (better 66.Bb2-/+) 66...Ng5 67.Bc2 Nf7 (67...Kd6 68.Bb3-/+) 68.Bb3-/+ Nd6 ½-½. dannysmet (2050) - kazzarov (2050), Rated Blitz game, lichess.org, 2021.

6.d4 e4 7.Nf4 c6 8.c5 d5 9.Nc3 0-0 10.b5 g5 11.Nh3 h6 12.a4 Be6 13.Be2 Nbd7 14.0-0 Kg7 15.f3 Qe8 16.Nf2 Qg6 Black intends g4 17.g3 (17.a5 ef3 18.Bf3 g4+/-) 17...ef3 (17...f4 18.Qd2=) 18.Bf3+= g4 19.Bg2 h5 (19...Ne4!?+=) 20.Nd3 Ne4 21.Ne4 (21.Nf4 Qh6+/-) 21...fe4+= 22.Nf4 Qh6 (22...Qf5 23.Qe2+=) 23.Qd2 (23.Be4!? h4 24.Bd3+/- (24.Ne6?! Qe6 25.Rf4 Rf4 26.ef4 Bf6+=)) 23...Bg5+= 24.Rf2 (24.Be4 Bf4 25.gf4 de4 26.d5 Kh7 27.de6 Qe6+=) 24...Bf5 25.Raf1 (25.a5 Bf4 26.Rf4 cb5=) 25...Bh7 (25...h4!?=) 26.Bc1 Rf6 27.Qb2 Raf8 28.bc6 bc6 29.Qb7 R6f7 30.Qa7 Ne5 31.Qa5 (31.Qb6 Nf3 32.Bf3 ef3=) 31...Nf3= Black prepares h4 32.Kh1 h4 33.Bf3 ef3 34.Kg1? (better 34.Rg1=+) 34...hg3-+ 35.hg3 Be4 (better 35...Bf4 36.ef4 Qh3-+) 36.Rh2-/+ Qf6?? (36...Bf4 37.Rh6 Bg3-+) 37.Nh5+- Kg6 38.Nf6 Rf6 (38...Bf6 39.Qa6 Rc7 40.Bd2+-) 39.Rff2 Rb8 (39...Rc8 40.Qb6 Rf7 41.a5+-) 40.Qc3 (better 40.Qc7 Rff8 41.Qc6 Kf7 42.Qd7 Kf6+-) 40...Rb1 (40...Kf5 41.a5+-) 41.Rb2 Ra1 (41...Rb2 42.Bb2 Re6 43.Kf2+-) 42.Kf2 (42.Rb4!? Rb1 43.Rb1 Bb1+-) 42...Ra4 43.Rh1 (43.Qb3 Ra7+-) 43...Rc4 (43...Rf7 44.Qb3 Ra8 45.Qb6+-) 44.Qd2 (44.Qa5!? Re6 45.Qc7 Be7+-) 44...Rf7 (44...Kf5+-) 45.Rc2 (better 45.Qa5 Rc1 46.Rc1+-) 45...Rc2-+ (45...Bc2 46.Rh8 Be4 47.Qe1-+) 46.Qc2 Bc2 47.Rh8 Rb7 48.Rc8 (48.Rg8 Kf6 49.Rh8 Rb1-+) 48...Ba4 (48...Rb1 49.Rc6 Kh5 50.Rc8 Rc1 51.Rh8 Kg6 52.Rg8 Kh6 53.Rb8 Bd3 54.Rh8 Kg7 55.Rg8 Kg8 56.e4 Rf1) 49.Ra8 (49.Rg8 Kf6 50.Rf8 Kg7 51.Ra8-+) 49…Bb5 0-1. dannysmet (2085) - mehrdad_gh (2120), Rated Blitz game, lichess.org, 2021.

5.Nf3 a6

6.d3 Be6 7.a3 Nc6 8.Nbd2 Be7 9.Be2 0-0 10.0-0 h6 11.Qc2 g5 Black prepares f4 12.e4 g4 13.Ne1 f4 14.f3 h5 15.Qd1 Qe8 16.fg4 hg4 17.Nc2 Qg6 18.Qe1 (18.d4 f3 19.d5 A) worse is 19...Ne4 A1) 20.de6? f2 (20...fe2?! 21.Qe2 Ng5 22.Ne3+=) 21.Rf2 Nf2–+; A2) 20.Ne4 Bf5 21.Bd3+/- (21.dc6?! Be4 22.cb7 fe2 23.Qe2 Rab8 24.Rf8 Bf8+=); B) 19...fe2 20.Qe2 Bd7 21.dc6 Bc6=) 18...Rf7 (18...f3 19.Bd1 Nh5 20.g3–/+) 19.Qf2 (19.d4!? f3 20.d5 fe2 21.Qe2=) 19...Rg7 (19...Rh7 20.g3 fg3 21.Qg3–+) 20.g3 f3 21.Bd1 Nh7 22.Ne3 Ng5 23.Kh1 Nh3 24.Qe1 Rf8 25.Nf3 (25.Ba4!?–/+) 25...gf3–+ (25...Rf3?! 26.Bf3 gf3 27.Rf3=) 26.Rf3 Rf3 27.Bf3 Ng5 28.Bg2 Rf7 29.Qg1 Qh5 30.Rf1 Rf1 (better is 30...Qe2!? 31.Rf7 Nf7–+ (31...Kf7?! 32.Qf1 Qf1 33.Bf1–/+)) 31.Qf1–/+ Bg4 32.Ng4 Qg4 33.Bc1 Nd4 34.Bg5 Bg5 35.a4 Kg7 36.b5 ab5 37.ab5 Ne6?? 38.h4 Bh6 39.Kh2? Nf4?? 40.gf4 Bf4= 41.Kh1 Qh4 42.Kg1?? Qg3 43.Qf3= Be3 44.Kf1 Qf3 45.Bf3 Kf6 46.Ke2 Bd4 47.Kd2 Kg5 48.Ke2 Kf4 49.Bh5 c6 0–1. Fournier,Frederic – noablackdog (1735), Active, 2007.

6.Be2 Be7 7.a3 0-0 8.Nc3 Be6 (8...e4 9.Ng5=) 9.d4 ed4 (9...e4!? 10.Ng5 Bd7+=) 10.Nd4+/- Qd7 11.Qc2 Nc6 12.Ne6 Qe6 13.Nd5 Qd7 14.0-0 Nd5 15.cd5 Ne5 16.f4 Ng6 17.Bd3 Rae8 18.Bd4 Bf6 19.Bf5 Qd8 (19...Qf5 20.Qf5 Bd4 21.Qf8 Rf8 22.ed4 Nf4 23.Rae1+/-) 20.Be6 (20.Bg6!? hg6 21.Bf6 Rf6+-) 20...Kh8+/- 21.Rad1 Bd4 22.Rd4 (22.ed4?! Nf4 23.g3 Qg5=) 22...Ne7 23.Re4 c6 24.dc6 Nc6 25.Rd1 Rf6 26.Qc4 Qe7 27.Bd5 Qe4?? (better is 27...Qd7+-) 28.Be4 (28.Qe4?! Re4 29.Be4 Re6 30.Bc6 bc6+-) 1–0. Janek – Felix, internet, 2016.

5.Nf3 b6

6.Qc2 Be7 7.b5 0-0 8.Be2 Ne4 (8...a6 9.0-0=) 9.d3 Nc5 (9...Nf6 10.0-0=) 10.Nbd2 (10.d4 ed4 11.ed4 Ne4+=) 10...Bb7 (10...Ne6 11.0-0=) 11.d4+= ed4 12.ed4 Ne4 13.0-0 Nd7 14.Rfe1 Ndf6 (14...Bh4 15.g3 Bf6 16.Bd3+=) 15.h3 (15.d5 a6+-) 15...Qd7 (15...a6 16.ba6 Ra6 17.d5+=) 16.d5 a6 17.a4 ab5 18.ab5 Ra1 19.Ra1 1–0. GuestNMMY – GuestPBLP, freechess.org, 2017.

6.d4 Nc6? 7.b5+- Ne7 (7...e4 8.bc6 ef3 9.Qf3+-) 8.de5+- de5 9.Qd8 (worse 9.Ne5 Qd1 10.Kd1 Bb7+-; worse 9.Be5 Qd1 10.Kd1 Ne4+=) 9...Kd8 10.Ne5 Ng6? (better 10...Be6+-) 11.Nf7 Ke8 12.Nh8 Bb4 (12...Nh8 13.Nd2+-) 13.Nc3 Bb7 (13...Ne4 14.Ng6 Nc3+-) 14.Ng6 hg6 15.0-0-0 1–0. Pierre – Hochendorff, internet, 2020.

5.g3 g6

6.Ne2 Be6 7.d3 Nbd7 8.Bg2 c6 9.Nbc3 Bg7 10.Qd2 0-0 11.0-0 Kh8 12.f4 Qe7 13.Rae1 Rae8 14.b5 e4 15.bc6 ed3 16.Nd4 bc6?? (16...Nb6 17.Rb1 Bc4 18.cb7 Ba6=) 17.e4?? (17.Nc6 Qf7 A) 18.Na7 Nb6 (18...Bc4?! 19.Nab5 Bb5 20.Nb5=) 19.Ncb5 Nc4–/+; B) 18.Nb5+/-) 17...Bc4 (better is 17...Nb6!? 18.Nc6 Nc4 19.Ne7 Nd2 20.ef5 Bd7–/+) 18.ef5 Qd8 19.Bc6 (19.fg6!? d5 20.Ne6 (20.Nc6? Qb6 21.Kh1 Qc6–+) 20...Re6 21.Re6=) 19...gf5= 20.Kh1 Qc8 21.Qg2 Re1 22.Re1 Nc5 23.Re7 (23.Ncb5 Nfe4 (worse is 23...Ba2 24.Nd6 Qb8 25.N4f5+=) 24.Na7 d2–+) 23...Rf7 (23...Ng8 24.Rg7 Kg7 25.Nd5–/+) 24.Re1 (24.Rf7 Bf7 25.Nd1 Ba2 26.Nf5 Qf5 27.Bf6 Bf6 28.Qa2 Qh5–/+) 24...h6 (24...Nfe4 25.Ne4 fe4 26.f5–+) 25.Ncb5 Bf8 (25...Nfe4 26.Be4 Ne4 27.Re4+=) 26.Nb3= Kh7 27.Bf6 Rf6 28.Nd2 d5 29.Nd4 Ba2 30.Bd5? Bd5–/+ 31.Qd5 Qb7 32.Qb7 Nb7 33.Kg2 Bb4 34.Rd1 Ra6 35.Kf3+= Kg6 36.N2b3 Ra2 37.Rd3= Rh2 38.Nc6 Bf8 39.Na7 Nc5 40.Rd8 Be7 41.Rd2 Rd2 42.Nd2 ½–½. Tiller,B (2390) – Omarsson,D (2210), MP Reykjavik Open, 2011.

6.Bg2 Bg7 7.Ne2 Nc6 8.a3 0-0 9.0-0 g5 10.d3 g4 11.Nd2 h5 (11...Qe7 12.Qc2+=) 12.f4 h4 (12...gf3 13.Rf3 Ng4 14.Bc3+=) 13.e4 (better 13.gh4!? Qe7 14.fe5 Ne5 15.Nf4+/-) 13...hg3 14.hg3 ef4 15.Nf4 Ne5 (15...fe4!? 16.b5 Ne5 17.Ne4 Ne4 18.Be4 Nf3 19.Bf3 Bb2 20.Bd5 Kg7+/-) 16.d4+/- Nf3 17.Nf3 (better 17.Bf3!? gf3 18.Qf3+/-) 17...gf3= 18.Bf3 fe4 19.Bg2 Bg4 20.Qb3 c6 21.d5 (21.Rae1!?+=) 21...cd5=+ 22.cd5 Qb6 23.Rf2 (better 23.Kh2!? Rae8 24.Rae1=) 23...e3-/+ 24.Rff1 e2 25.Rf2 Rae8 26.Re1 Re3 (26...Bh5 27.Qc3 Qf2 28.Kf2 Ne4 29.Be4 Bc3 30.Bh7 Kh7 31.Bc3-/+) 27.Qc4 Rg3 (better 27...Ne8 28.Bg7 A) 28...Kg7?! 29.Kh2=+ (29.Ne2? Bh5 30.Rf8 Re2 31.Kh2 Re1-+); B) 28...Ng7-+) 28.Bd4= Qa6 29.Qa6 ba6 30.Ne2 Ra3 31.Nc3 (worse 31.Ba7 Re8 32.Bd4 Nh5 33.Bg7 Kg7-/+) 31...Nh5 32.Bg7 Rf2 33.Kf2 Ng7 (33...Kg7 34.Re7 Kg6 35.Be4 Kg5 36.Rc7=+) 34.Ne4= Nf5?? (better 34...Ne8=) 35.Nf6+- Kf7 36.Ng4 Rb3 (36...Ra4 37.Be4 Ne7 38.Ke3 Rb4 39.Rh1+-) 37.Re4 Kg6 (37...Rb2 38.Kg1+-) 38.Bf1 Kg5 39.Ba6 Rb2 40.Be2 (40.Ke1 Ng3 41.Rc4 Nf5+-) 40...Rd2 (40...Re2 41.Re2 (41.Ke2?! Ng3 42.Kd3 Ne4+=) 41...Kg4 42.Re4 Kg5 43.Kf3+-) 41.Ke1 (41.Nh2!? Rd5 42.Nf3 Kf6+-) 41...Rd5 (41...Re2 42.Re2 (42.Ke2?! Ng3 43.Kd3 Ne4+=) 42...Kg4 43.Kd2+-) 42.Nf2 Kg6 (42...Rd4 43.Bd3 Re4 44.Be4+-) 43.Bc4 Rd4 44.Rd4 Nd4 45.Ne4?? (better 45.Kd2+-) 45...Nc2+= 46.Kd2 Nb4 47.Nd6 Kf6 48.Kc3 Nc6 49.Bd5 (49.Bf1!?+=) 49...Ke5= 50.Bc6 Kd6 51.Bb5 Kc5 52.Ba6 Kb6 53.Bf1 Kc5 54.Kb3 Kb6 55.Ka4 Kc5 56.Ba6 Kd4 57.Ka5 Kc5 58.Bb7 Kd6 59.Ka6 Kc7 60.Ka7 ½-½. rsalcedoiii (2420) - Banjovi (2595), Dauin Chess Club final team to Team Bat, lichess.org, 2020.

5.h3 Be6

6.Nc3 Nbd7 (6...c5 7.a3=) 7.d4 (7.Nf3 Nb6 8.d3 Be7=) 7...Be7 (7...ed4 8.Qd4 c5 9.bc5 dc5 10.Qf4=) 8.d5 Bf7 9.Nge2 0-0 10.Ng3 f4 11.Nf5 Bg6 12.Ne7 Qe7 13.Be2 (13.Qe2!?=+) 13...fe3-/+ 14.f3 (14.0-0!? ef2 15.Rf2-/+) 14...Nh5-+ 15.0-0 (15.h4 a5 16.Nb5 Ndf6-+) 15...Ng3 Black intends e4 (better 15...Qg5 16.Ne4 Be4 17.fe4 Nf4 18.Rf4 Rf4-+) 16.Re1-/+ Qg5 17.Nb5 (17.Bc1 e4 18.fe4-+) 17...e4 (17...Nh5 18.Kh1 (18.Nc7 Nf4 19.g4 Qh4-+) 18...Nf4 19.Rg1-+) 18.Nc7 (18.f4 Rf4 19.Bd4 Ne2 20.Re2-/+) 18...ef3?? (18...Ne2 19.Re2 ef3-+) 19.Bf3+/- e2 (19...Ne5 20.Be5 e2 21.Qd4 de5 22.Qc3+-) 20.Qd4 (20.Qc1 Qc1 21.Rac1 Rac8+-) 20...Bf5 (better 20...Ne5 21.Ne6 Qh6 22.Be2 Rf7+-) 21.h4 Qg6 22.a4 (22.Na8 Ne5 A) 23.Be2?? Ne2 24.Re2 Nf3 25.Kh1 Nd4 26.Bd4 Qh5-+ (26...Ra8?! 27.Re7-+); B) 23.Qf4+-) 22...Ne5= 23.Na8 Nf3 (23...Bh3 24.Bg4 Bg4 25.Qe3-+) 24.gf3 Bh3?? (24...Ne4 25.Kh1 Ra8 26.Rg1 (26.fe4 Be4 27.Qe4 Qe4 28.Kg1 Rf8 29.Rf1 Qg4 30.Kh2 ef1R 31.Rf1 Rf1 32.Bd4 Rf3 33.Bg7 Rh3) 26...Ng3 27.Kg2+-) 25.Kf2?? (better 25.Qg7 Qg7 26.Bg7 Kg7 27.Kh2+-) 25...Nf5+/- 26.Qc3?? (26.Rg1 Nd4 27.Rg6 Rf3 28.Ke1 Rf1 29.Kd2 e1B 30.Re1 Nf3 31.Ke3 Re1 32.Kf3 hg6 33.Bd4-+) 26...Qg3 (26...Qg2) 27.Ke2+- Re8 (better 27...Ra8 28.Kd1 Bg2+/-) 28.Kd2?? (better 28.Kd1 Ra8 29.Re4+-) 28...Qf2-/+ 29.Kd3 (29.Kd3 Bf1!! 30.Rf1 Re3) 1-0. zomboeb (1650) - andrea_rinaldo (1665), lichess.org, 2020.

6.Nf3 h6 7.Nh4 Kf7 8.Qf3? (better is 8.Be2=) 8...Qd7?? (better is 8...e4!? 9.Qg3 g5–+) 9.Qg3 (better is 9.Qb7 Qc6 10.Qc6 Nc6 11.a3+/-) 9...g5+= 10.Nf3 Be7 (10...Qa4 11.Bc3+=) 11.d4 e4 (better is 11...Qa4!? 12.Nfd2 ed4 13.ed4 Qb4=) 12.d5+= ef3 13.de6 Qe6 14.Qf3 c6 (14...Nc6!? 15.a3 a5=) 15.Bd3+/- Kg6 16.g4 Kf7 17.Nc3?? (better is 17.Nd2 fg4 18.hg4+-) 17...fg4= 18.hg4 Qg4 19.Qg4 Ng4 20.Ne4 (better is 20.Nd5!? Na6 21.Bh8 cd5 22.Bc3+/-) 20...Ne5+= 21.Be2 Nbd7 22.f4 d5 23.fe5 de4 24.e6! Ke6 25.Bg4 Kd6?? (better is 25...Kf7 26.Bh8 Rh8 27.Bd7 Bb4 28.Ke2 Kf6+-) 26.c5 Kc7+= 27.Bh8 Rh8= 28.0-0-0 Ne5 29.Bf5 Nd3 30.Kb1 Rd8?? 31.a3?? Bf8 32.Rh6?? Bh6–+ 33.Be4 Nf2 34.Rd8 Kd8 35.Bg2 g4 36.e4 Bf4 37.Kc2 Kc7 38.Kc3 Nd1 39.Kd4 g3 40.e5 Ne3 41.Bh3 g2 42.Bg2 Ng2 43.Ke4 Bg5 44.Kf5 Be7 0–1. nakpim – grof, internet, 2013.

5.h4 Be7

6.a4 0-0 7.Nf3 (7.h5 Na6-/+) 7...c6 (7...e4 8.Ng5-/+) 8.Ng5 (better 8.c5!? e4 9.Nd4=+) 8...h6-+ 9.Nf3 Be6 (9...e4 10.Nd4-+) 10.Qb3 Nbd7 11.d3 (11.Nc3 a5 12.b5 Nc5-/+) 11...Kh7 (better 11...a5!? 12.Nbd2 ab4 13.Qb4 Bf7-+) 12.Nbd2=+ Rb8 13.d4 b5?? (better 13...Ng4-/+) 14.ab5+/- cb5 15.de5 (better 15.Ng5!? hg5 16.hg5 Kg8 17.gf6 Nf6 18.de5 de5 19.Be5+/-) 15...Ne5+= 16.Be5 (better 16.Ng5!? hg5 17.hg5 Kg8 18.gf6 Rf6 19.Ra7 bc4 20.Qc2= (worse 20.Bc4 Nc4 21.Nc4 Rc8-/+)) 16...de5=+ 17.Ne5 (better 17.Qb2!? Ng4 18.c5=+) 17...bc4-+ 18.Ndc4?? (better 18.Qc2 Bb4 19.Nc6-+) 18...Bb4 19.Ke2 Ne4 20.Ra7 (20.Qc2 Rc8 21.Kf3 Bc3-+) 20...Nc3 (better 20...Bc4 21.Nc4 Nc3 22.Ke1 Na2 23.Qb4 Nb4-+) 21.Kf3 Bd5 (better 21...Qd5 22.Kg3 Ne4 23.Kh2 Bc3-+) 22.Kg3 (22.Kf4-+) 22...Ne4 23.Kf4 (23.Kf3 f4! 24.Bd3 fe3 25.Ke2 Rf2 26.Kd1 e2 27.Kc1 Qf6-+) 23...Bd6 24.Qd3 (24.Qa4 Rb2!! 25.f3 Bc4-+) 24...Nf6 (better 24...Rb2! 25.f3 Kh8 26.fe4 fe4 27.Kg4 Be6 28.Kg3 ed3 29.Nd6 Qd6-+) 25.Qf5 Kg8 26.Qg6 (26.Rg7 Kg7 27.Qg6 Kh8 28.Qh6 Nh7 29.Kg4-+) 26...Ne4 27.Kg4 Nf2 28.Kg3 Ne4 (better 28...Nh1 29.Kh3 Nf2 30.Kg3 Ne4 31.Kh3-+) 29.Kg4 (29.Kh3 Be5 30.Ne5 Nf2 31.Kg3 Nh1 32.Kh3 Nf2 33.Kg3 Ne4 34.Kh3 Qc8 35.Kh2-+) 29...Nf6 (better 29...Qc8 30.Rd7 Be5 31.Ne5 Nf6 32.Kg3 Nd7-+) 30.Kg3?? (30.Kh3 Bc7 31.Bd3 Rb3=+) 30...Ne4 31.Kh3?? (31.Kg4 Be5 32.Ne5 Qc8 33.Rd7 Nf6 34.Kg3 Nd7-+) 31...Qf6 (better 31...Be5 32.Ne5 Nf2 33.Kg3 Nh1 34.Kh3 Nf2 35.Kg3 Ne4 36.Kh3 Qc8 37.Rd7 Rf7-+) 32.Qf6= Nf6?? (better 32...Rf6 33.Nd6 Nf2 34.Kh2 Rd6=) 33.Nd6+- Be6 34.g4 (better 34.Kh2+-) 34...Bg4 (34...Ng4 35.Ng4 h5+-) 35.Ng4 Nd5 (35...Ng4 36.Kg4 Rbd8 37.Bc4 Kh7 38.Nf5+-) 36.Rg1 (36.Bc4 Rf3 37.Kg2 Rff8 38.Bd5 Kh8 39.Nf7 Rf7 40.Bf7 Rb2 41.Kg3 Rb8 42.Ne5 Rd8 43.Rha1 g5 44.Ng6 Kh7 45.Bc4 Kg6 46.R1a6 Rd6 47.Rd6 Kf5 48.Ra5 Ke4 49.Re6) 36...Rf3 37.Kh2 Rb2 38.Kh1 Kh7 39.Ne5 (39.Bd3 Kg8 40.Ra8 Rb8 41.Rb8 Rf8 42.Nh6 Kh8 43.Rf8) 39…Rf1 (39...Rf1 40.Rag7 Kh8 41.Ndf7 Rf7 42.Nf7; 39...Ne7 40.Re7 Rg2 41.Bg2 Kg8 42.Bf3 g5 43.Ng6 gh4 44.Bd5) 0-1. beatmeeasy (1925) - Fischer95 (1960), lichess.org, 2020.

6.Nf3 0-0 7.Qc2 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Qe8 11.g3 Nc6 (11...e4 12.Nd4=+) 12.b5=+ Nd8 13.d4 e4 14.Ng5 h6 15.Nh3 Ne6 16.d5 Nc5 17.Nf4 Nh5 18.Nh5 Qh5 19.Be2 Qf7 20.Nd2 Bf6 21.Bd4 Bd7 22.Bc5 dc5 23.b6 (23.Nb3!? Qe7 24.0-0=+) 23...cb6-/+ 24.Qb3 Bd8 (24...Ra8 25.Qb6 Bc3 26.Qb3-/+) 25.h5 Bc7 Black plans f4 26.Qa2 Qf6 27.0-0 g5 Black prepares the advance f4 (27...Qg5 28.Kg2-/+) 28.hg6 Qg6 29.Kg2 (29.Kh2 Be5=+) 29...f4-/+ 30.ef4 Bf4 31.Rh1 e3 32.Bh5 Qg7 33.Ne4 Bf5 34.Bf3 ef2 (better 34...Bc7!? 35.Rh4 ef2 36.Qf2 Bd8-+) 35.Qf2=+ Be5 36.Qe1 Be4 37.Be4 Ra8 38.Rh3 (38.Qf2!?=+) 38...Ra2-/+ 39.Kf3?? (39.Kh1 Qg5-/+) 39...Ra3 (better 39...Qf6 40.Kg4 Qg5 41.Kf3 Bd4 42.Bh7 Kg7-+) 40.Kg2-/+ Qg5 (40...Qg4 41.Kh2 Ra2 42.Bg2-+) 41.Bb1 (41.Qf2 Rb3 42.Qf5 Qd2 43.Kh1 Qe1 44.Kh2 Bg3 45.Kg2 Rb2 46.Bc2 Qf2 47.Qf2 Bf2=+) 41...Re3 (41...Rc3 42.Qf2 Rc4 43.Qa2-/+) 42.Qf2 Kg7 43.Bc2 (43.Qf5 Qf5 44.Bf5 Rc3-/+) 43...Rc3 (43...b5!? 44.d6 bc4 45.d7-+) 44.Bd1 Rd3 (44...Bd4 45.Qe2 b5 46.cb5 Qd5 47.Kh2-/+) 45.Be2=+ Rd2 46.Rh4?? (better 46.Qf3-/+) 46...Bd4 (46...Re2 47.Qe2 Qg3 48.Kf1 Qh4 49.Qe5 Qf6 50.Qf6 Kf6-+) 47.Qf3+= (47.Qf3 Kh8 48.Re4+=) 1-0. Kabanova,E (2135) - Seul,G (2370), Titled Tuesday, 2021. (=1.c4 e5 2.e3 d6 3.b4 f5 4.Bb2 Nf6)

6.h5 Ng4=+.

5.a4 Be7

6.b5 0-0

7.Qb3 Be6 8.Nc3 Nbd7 9.d4 ed4 10.ed4 Ne4 (10...a6 11.Nf3=) 11.Ne4 (11.Bd3!?=) 11...fe4=+ 12.d5 (12.f3 Bh4 13.g3 ef3 14.Nf3 Qe7=+) 12...Bf5 13.Ne2? (better 13.a5–/+) 13...Nc5–+ 14.Qg3 (14.Qa3 Nd3 15.Kd2 Bg5 16.Kc2 Nf2 17.Rg1–+) 14...Bf6 (better 14...Nd3 15.Kd2 Nb2–+) 15.Bf6 (better 15.Nd4 e3! 16.Ra3–+) 15...Qf6–+ (15...Rf6?! 16.Nd4=+) 16.Qc3 Nd3 17.Kd2 Qc3 (better 17...Qh6 18.Kc2 Nf2–+) 18.Kc3 Nf2 19.Rg1 Rae8 20.Nd4 Bg6 (20...e3 21.Re1–+) 21.Be2 (21.a5 e3 22.a6 Ne4 23.Kb4 ba6 24.Ra6 Rf2–/+) 21…e3 0–1. jaddwarrior (1870) – nimzomorph (2025), ChessWorld.net, 2014.

7.Nf3 Nbd7 (7...a6 8.Be2=+) 8.Be2= e4 9.Nd4 Nc5 10.0-0 a6 11.f3 ab5 12.ab5 Ra1 13.Ba1 Bd7 14.fe4 fe4 15.Nc3 c6 16.Qc2 d5 17.cd5 cd5 18.Bb2 (18.Qa2 Be8=) 18...Qb6 (18...Bd6 19.Nf5 Bf5 20.Rf5=+) 19.Ba3= Ra8?? (better 19...Qd6=) 20.Rf6!+- Qf6 (20...Qf6 21.Nd5 Decoy; 20...Bf6 21.Nd5 Combination; 20...gf6 21.Nd5 Double attack (21.Nd5 Decoy)) 21.Nd5 Ra3 22.Nf6 gf6 23.Qb2 Ra8 24.Bc4 Kg7 25.Qb1 Bd6 (25...Ra4 26.Bd5 f5 27.g4 fg4 28.Bb7+-) 26.Bd5 (26.Nb3 Nb3 27.Bb3 Bb5+-) 26...Be5? (better 26...Re8+-) 27.Be4 1-0. BeepBeepImAJeep (2775) - Evgenyermolaev (2585), lichess.org, 2020.

6.Nc3 0-0

7.Qb3 a5 8.b5=+.

7.Qb3 Be6 8.d4 ed4 9.ed4 c5 (9...a5 10.d5 Bc8 11.b5=+) 10.d5 (10.bc5 Nc6 11.d5 Na5+=) 10...Bf7 (10...cb4 11.de6 bc3 12.Bc3=+) 11.b5 (11.bc5 Na6 12.cd6 Bd6+=) 11...Re8 12.Be2 Ng4 (12...Ne4 13.Ne4 fe4 14.Nh3=) 13.Nf3+= Bf6 14.Qc2 Bg6 15.0-0 Nd7 16.Bd3 (16.a5 Nde5+=) 16...Nde5= 17.Bf5 (17.Ne5 Ne5 18.a5= (worse 18.Bf5 Bf5 19.Qf5 Nc4-/+)) 17...Nf3-/+ (worse 17...Nc4 18.Bg6 hg6 19.a5+=) 18.gf3 Ne5 (better 18...Nh2 19.Bg6 Nf3 20.Kg2 Nh4 21.Kg1 Ng6-+) 19.f4?? (19.Bg6!? Ng6 20.Kh1=) 19...Nc4 (better 19...Nf3 20.Kh1 Nd4 21.Bg6 Nc2 22.Bc2 Qa5-+) 20.Bg6-/+ hg6 21.Bc1 (21.Rac1 Qd7 22.Ba1 Qg4 23.Kh1 Qf4-/+) 21...Qd7 22.Be3?? (better 22.Qd3 Qg4 23.Kh1-/+) 22...Qg4-+ 23.Kh1 Qf3 24.Kg1 0-1. dannysmet (2105) - Amargurado (2130), Rated Blitz game, lichess.org, 2021.

7.Qb3 Be6 8.Nf3 h6 (8...Nc6 9.Be2=) 9.d4= e4 10.Nd2 c6 11.d5 Bf7 12.Be2 Nbd7 (12...cd5 13.cd5 a5 14.0-0=) 13.0-0 (13.a5 Ne5=) 13...Nb6 (better 13...cd5!? 14.Nd5 Nd5 15.cd5 Nb6=) 14.a5+/- Nbd7 15.f3 ef3 16.Nf3 Ng4 17.h3 (better 17.dc6 bc6 18.Nd4 Ne3 19.Nc6+=) 17...Ne3=+ 18.Rfe1 f4 19.dc6 bc6 20.Ne4 (20.Nd1 Nd1 21.Rad1=+) 20...Ne5 (better 20...Rb8!? 21.Qc3 Nf6-/+) 21.Ne5= de5 22.g3? (better 22.Be5 Bh4 23.Bf4 Be1 24.Re1 Nc4 25.Qc3=) 22...fg3?? (better 22...Qd7 23.g4 Qe6-+) 23.Qe3+- Bb4 24.Rad1?? (better 24.Qg3 Qe7 25.Rf1+-) 24...Qa5 (24...Qh4 25.Rf1=) 25.Rf1 (better 25.Bc3=) 25...Qa2?? (better 25...Qb6 26.Qb6 ab6=) 26.Be5+- Rae8?? (26...Bc4 27.Qg3 Rf1 28.Rf1 g5 29.Ng5 Be1 (29...hg5?? 30.Qg5 Kh7 31.Qg7) 30.Bc4 Qc4 31.Re1 Qc5 32.Kh1 Qd5 33.Nf3 Kf7 34.Qg7 Ke6 35.Bc3 Qe4 36.Re4 Kd6 37.Qe7 Kd5 38.Qe5) 27.Nf6 gf6 (27...Kh8 28.Ne8 Kg8 29.Nf6 Kh8+-) 28.Rf6 (28.Qg3 Bg6 29.Qg6 Kh8 30.Rf6 Bc5 31.Kh1 Re5 32.Qh6 Kg8 33.Rg1 Bg1 34.Rf8) 28...Bc4 (28...Bc5 29.Rd4 Bd4 30.Qd4 Qe2 31.Bg3 Re4 (31...Qc4?! 32.Rg6 Bg6 33.Qc4 Kh7 34.Qc6-+) 32.Qa7 Qd3-+) 29.Qg3 (29.Qg3 Kh7 30.Qg6 Kh8 31.Rf8) 1-0. zomboeb (1645) - mark333 (1835), lichess.org, 2020.

5.Qb3 Be6

6.a4 Be7 7.Nf3 h6 8.d4 e4 9.Nfd2 c6 10.Qc3 0-0 11.Na3 d5 12.Nc2 Bd6 13.Be2 f4 14.ef4 Bf4 15.0-0-0 a5 16.b5 cb5 17.ab5 Nbd7 18.c5 Ng4 19.Bg4 Bg4 20.Rde1 Bd2 21.Qd2 Qg5 22.Ne3 Nf6 23.h3 Be6 24.g4 Qf4 25.Re2 Bd7 26.b6 Bb5 27.Ree1 Bd3 28.Ba3 Rfc8 29.Kb2 Nd7 30.Nc4 Qd2 31.Nd2 Nb8 32.f3 Nc6 33.fe4 de4 34.Ne4 Nd4 35.Nd6 Rf8 36.Re3 Bg6 37.Nb7 Rac8 38.Rh2 Nb5 39.Rb3 Na3 40.Ka3 Rf7 41.Nd6 Rf4 42.Nc8 a4 43.Ka2 ab3 0–1. blackiwhite (1775) – lena27 (1760), internet, 2014.

6.Nc3 a6 7.Nf3 b5 8.Ng5 Bg8 9.a4 (9.Qc2!? bc4 10.Qf5=) 9...h6 (9...bc4 10.Qc2-/+) 10.Nf3=+ c6?? (10...bc4!? 11.Qc2 e4=+) 11.d4 (better 11.ab5!? cb5 12.Nb5+/-) 11...Nbd7 (11...e4 12.Nd2 bc4 13.Bc4 Bc4 14.Nc4=) 12.de5 Ne5 (better 12...de5 13.Nh4 Rb8+=) 13.Nd2 (13.Ne5 de5 14.Qc2 Bb4 15.Qf5 A) worse 15...Bc4 16.Bc4 bc4 17.Qe6 Kf8 18.Qc4+= (18.Qe5?! Qd5 19.Qd5 cd5=); B) 15...Qc7=) 13...Bf7 (13...Nc4 14.Nc4 bc4 15.Qc2-/+) 14.Rd1 Be7 15.Be2 Qb6 16.ab5 (better 16.Na2!?=) 16...ab5-/+ 17.Kf1 (17.0-0 bc4 18.Qc2 Qb4-/+) 17...0-0 (17...bc4 18.Qc2-+) 18.g3 (18.Ncb1 bc4 19.Nc4 Nc4 20.Bc4 Bc4 21.Qc4 d5-/+) 18...Ra7 (18...Nc4 19.Qc2-+) 19.h3 (19.Ncb1 bc4 20.Nc4 Qb7-/+) 19...Rfa8 (19...bc4 20.Qc2-+) 20.Rc1 (20.Kg2-/+) 20...Qa6 (better 20...bc4!? 21.Nc4 Qb7-+) 21.cb5-/+ Qb7 (worse 21...Bb3 22.ba6 Bf7 23.Kg2+/-) 22.bc6?? (22.Qc2 c5 23.f3 cb4 24.Nd1=+) 22...Nc6?? (better 22...Qc6 23.Nd5 Qc1 24.Bc1 Bd5-+) 23.Bc4= Ne5 (23...Bc4!? 24.Qc4 Kf8=) 24.Bf7+= Nf7 25.b5?? (better 25.Kg1+=) 25...Qh1-+ 26.Ke2 Qb7 (better 26...Qh3 27.Nd5 Qh5 28.Nf3 Nd5 29.Qd5 Ra2-+) 27.Nd5 (27.Qe6-+) 27...Qd5 28.Nc4 (28.Bd4 Qb3 29.Nb3 Ra2 30.Nd2 Ne4-+) 28...Qg2 (better 28...Rb7 29.b6 Ne5-+) 29.Rf1 (29.b6 Rd7 30.Nd2-+) 29...Ne4 30.Nd2 Qh3 (better 30...Ng3 31.Kd3 Nf1 32.b6 Nd2 33.Kd2 Qf2 34.Kd3-+) 31.Nf3 (31.Ne4 fe4 32.b6 Ra5-+) 31...Qh5 (better 31...Qg2 32.b6 Ng3 33.Kd2 Nf1 34.Kd3 Qf2 35.ba7 Qe3 36.Kc2 Rc8 37.Bc3 Qf3-+) 32.Qf7 (32.b6 Ra5 33.b7-+) 32...Qf7 33.g4 (33.g4 Qc4 34.Kd1 Ra1 35.Ba1 Ra1). ClayPigeons (2155) - Daisychain1980 (2050), Rated Bullet game, lichess.org, 2021.

6.Nc3 c6 7.Be2 Be7 8.Nf3 h6 9.Nh4 g5 10.Ng6 Rg8 11.Ne7 Qe7 12.b5 Nbd7 13.Ba3 Nc5 14.Bc5 dc5 15.bc6 bc6 16.Qa4 Bd7 17.0-0 e4 18.d3 Kf7 19.de4 fe4 20.Rad1 Rgd8 21.f3 ef3 22.Rf3 g4 23.Rf6 Kf6 24.Rf1 Kg7 25.e4 Qe5 26.Qc2 Rf8 27.Rd1 Be6 28.Na4 Rad8 29.Re1 Qd4 30.Kh1 Qd2 31.Qb1 Qb4 32.Qa1 Rd4 33.Nc3 Bc4 34.a3 Qb3 35.Bc4 Qc4 36.Ne2 Rfd8 37.Nd4 Qd4 38.e5 Qa1 39.Ra1 Rd5 40.Re1 Kf7 41.e6 Ke7 42.Kg1 h5 43.Kf2 Rd3 44.a4 Ra3 45.Re5 Ra2 46.Kg3 Ra3 47.Kh4 Ra4 48.Kh5 Ra2 49.Kg4 Rg2 50.Kf5 Rh2 51.Re1 Rf2 52.Ke5 Rc2 53.Ra1 Re2 54.Kf5 Re6 55.Ra7 Kd6 56.Ra6 Re5 57.Kf4 Kd5 58.Ra5 Re4 59.Kf3 Re6 60.Ra4 c4 61.Ra5 Kd4 62.Ra4 Kd3 63.Ra5 c3 64.Rc5 Rf6 65.Kg2 c2 66.Kg3 Kd2 67.Kg4 c1Q 68.Rc1 Kc1 69.Kg5 Rf2 70.Kg4 Kd1 71.Kg3 Ke1 72.Kg4 c5 73.Kg3 c4 74.Kg4 c3 75.Kg3 c2 76.Kg4 Time forfeit ½-½. carlos78 (2230) - Metalhead_666 (2210), Rated Blitz game, lichess.org, 2015.

6.Nf3 Nbd7 7.d4 e4 8.d5 Bd5 (8...ef3 9.de6 Ne5 10.Nd2+=) 9.cd5 ef3 10.gf3 g6 11.Na3 Bg7 12.Nb5 0-0 13.Rc1 Ne8 14.Bg7 Ng7 15.Rc2 Nb6 16.Rc7 Rc8? 17.Rb7+- Qf6 18.Bg2 Rc1 19.Ke2 Rh1 20.Bh1 f4 21.e4 Rc8 22.Na7 Rc3 23.Qb1 Qd4 24.Nc6 Qc4 25.Kd2 Na4 26.Rb8 Kf7 27.Rc8 Kf6 28.h4 Nh5? 29.Rc7 Ra3 30.e5! de5 31.Rf7! (31.Rf7 Kf7 32.Ne5 Kf8 33.Nc4+-) 1–0. Woschkat,Karl_Heinz – Clark,Mark, IECG, 1999.

6.Nf3 Be7 7.d4 =.

5.Qc2 Be7

6.d4 Nc6 7.b5+/- Nb4? (better is 7...Na5!? 8.de5 de5 9.Be5 0-0+/-) 8.Qb3+- a5 9.a3 (9.de5?! de5 10.Be5 Ne4+=) 9...a4 (9...ed4 10.ab4 a4 11.Ra4 Ra4 12.Qa4 de3 13.fe3+-) 10.Qb4 d5 11.c5 e4 12.Ne2 0-0 13.Qc3 (13.Nbc3 Nh5+-) 13...Kh8 14.Nd2 Be6 15.Nf4 Bg8 16.Be2 c6 17.b6 Qe8 18.Nf1 h6 19.Ng3 g5 20.Nfh5 Nh5 21.Bh5 Bf7 22.Bf7 Qf7 23.0-0-0 Bf6 (23...f4 24.ef4 gf4 25.Nf1+-) 24.Qd2 (better is 24.Nf5!? Qh5+-) 24...Bg7 Black prepares the advance f4 25.Qe2 (better is 25.h4 f4 26.Ne2 fe3 27.fe3+-) 25...f4 26.ef4 Qf4? (26...gf4 27.Ne4! de4 28.Qe4+-) 27.Kb1 (better is 27.Rd2+-) 27...Qf2 28.Qh5 Qg2 29.Rhf1 e3 30.Nf5?? (better is 30.Bc1 e2 31.Qe2 Qe2 32.Ne2+-) 30...e2–+ 31.Ne3 ef1Q (31...ef1B?! 32.Ng2 Bg2 33.Re1+=; 31...ed1R 32.Rd1 Qe4 33.Nc2–+; 31...ed1Q 32.Rd1 Qe4 33.Nc2–+; worse is 31...Rf1 32.Ng2 ed1Q 33.Qd1 Rd1 34.Bc1 Bd4 35.Kc2–+) 32.Nf1 Rf1 33.Rf1 Qf1 34.Ka2 Rf8 35.h4 (35.Qh4 Qc4 36.Ka1 Rf1 37.Qe1 Re1 38.Bc1 Qc1 39.Ka2 Qd2) 35...Qc4 36.Kb1 Rf1 37.Bc1 (37.Qd1 Rd1 38.Bc1 Rc1 39.Kb2 Bd4) 37...Qc1 0–1. typ48 – bartola11, internet, 2013.

6.d4 ed4 7.ed4 0-0+=.

6.d3 0-0

7.Nd2 a5 8.a3 a4 (8...Na6 9.b5 Nc5 10.d4 ed4 11.ed4=) 9.Ngf3= Be6 10.Be2 h6 11.Nb1 (11.0-0 Qe8=) 11...Nbd7 (11...Nc6 12.Nc3+=) 12.Nc3 (12.0-0 Nb6=) 12...Qe8 (12...Nb6 13.0-0=) 13.Na4+= Qf7 (13...Qg6 14.Nc3+=) 14.Nc3 b6 15.Nb5 (15.0-0 c6+/-) 15...Rfc8 16.Bc3?? (better 16.d4 e4 17.d5 Bd5 18.cd5 ef3 19.gf3 Nd5 20.Qc6+/-) 16...c6-/+ 17.Nd6 (17.Nbd4 ed4 18.Nd4 d5-/+) 17...Bd6 18.Qb2 (18.0-0 Rd8-/+) 18...e4-+ 19.de4 Ne4 20.Bd4 (20.0-0 c5-+) 20...Bc4 21.Bc4 Qc4 22.Bg7 (22.Rb1-+) 22...c5 (better 22...Ra3! 23.Ra3 Bb4 24.Kd1 Ba3 25.Qa3 Nf2 26.Ke1 Nh1 (26...Kg7?! 27.Qe7 Qf7 28.Qf7 Kf7 29.Kf2-+) 27.Bh6 Qc2-+) 23.Bh6-/+ Qf7 (23...Nc3 24.b5-+) 24.b5 (24.bc5!? Ndc5 25.0-0-/+) 24...c4-+ 25.0-0 (25.Bf4 Ndc5 26.0-0 Nd3-+) 25...c3 (25...Ndc5 26.Qc2-+) 26.Qc2 Ndc5 27.Nd4? (27.Ng5 Qb3 28.Qe2 Ng5 (28...Ra3?? 29.Qh5 Qe6 30.Ne6 Ne6 31.Qf5+-) 29.Bg5 c2-+ (29...Ra3 30.Ra3 Bh2 31.Kh2 Qa3 32.Qc4 Kf8 33.Qd5+-)) 27...Be5 (better 27...Qf6 28.f4 Qh6 29.Nf5 Qf6-+) 28.Nc6-/+ Nb3?? (better 28...Bf6-/+) 29.Ne5+/- Qe6 30.Nc6 (better 30.Bf4 Na1 31.Ra1+=) 30...Na1=+ 31.Ra1 Rc6 (31...Qh6!? 32.Ne7 Kf8 33.Nc8 Rc8-/+) 32.bc6= Qc6?? (better 32...Qh6 33.Qb3 Kh8 34.Qb6 Rc8+=) 33.Bf4 b5 34.g3 (34.f3 Nd2+-) 34...b4? (34...Nd2 35.Qf5 Nf3 36.Kf1 Nd2 37.Ke1 Nb3 38.Qg4 Kf7 39.Qh5 Kg8 40.Qg5 Kf7=) 35.Qb3+- Kg7 36.Qb4 c2 (36...Kf7 37.Rc1+-) 37.Qe7 Kg8 38.Rc1 Rc8 (38...Qd5 39.Be5 Qf7 40.Qh4+-) 39.Be5 Qg6 40.Kg2 (40.Qb7 Re8 41.Bd4 Nd6 42.Qd5 Nf7 43.Rc2 Rd8+-) 40...f4 (40...Qf7 41.Qb4 Qd5+-) 41.ef4 (41.Bf4?! Nc5 42.Qe5 Nb3+-) 41...Nd2 (41...Qf7 42.Rc2! Rc2 43.Qd8 Kh7 44.g4 Rf2 45.Kg1+-) 42.Rc2! Qe4 (42...Rc2 43.Qd8 Pinning; 42...Qc2 43.Qg7 Mate attack) 43.Kh3 Qf5 44.g4 Qh7 45.Qh7 Kh7 46.Rc8 Ne4 47.Rd8 Kg6 48.Rd4 (48.Rf8 Nd6 49.f5 Nf5 50.gf5 Kh6 51.Kg4 Kh7 52.Rh8) 48...Nf2 49.Kg2 (better 49.Kg3 Nh1 50.Kg2 Kf7+-) 49...Ng4 50.f5! Kf5 51.Rg4! Kg4 52.a4 Kf5 53.a5 (53.Bg3 Ke6+-) 53...Ke6 54.a6 (better 54.Bg3 Kd5+-) 54...Ke5 55.a7 Kf6 56.a8Q Ke5 57.Qd8 Ke6 ½-½. arcl1ght (2300) - alsac0 (2305), Rated Bullet game, lichess.org, 2016. (=1.c4 d6 2.b4 e5 3.e3 f5 4.Bb2 Nf6)

7.Nd2 Be6 8.Ngf3=+.

7.Nd2 Nh5 8.Be2= Nf6 9.a3 Ng4 10.Bg4 (10.Ngf3 a5=) 10...fg4 11.Ne2 Bh4 (11...a5 12.0-0=) 12.g3 (12.0-0=) 12...Qf6 (12...Bf6 13.0-0=+) 13.Rf1 (better 13.gh4!? Qf2 14.Kd1 Qe3 15.d4+=) 13...Bg5= 14.Nf4 (14.h3 Qe7=) 14...Bf4 (14...Qh6 15.Nd5 Bd8 16.c5-/+) 15.ef4 (15.gf4 Bf5=) 15...Qg6 16.fe5 Bf5 17.Ne4 Na6 (17...de5 18.c5=+ (worse 18.Be5 Re8 19.Bc3 Be4 20.de4 Re4 21.Kd1 Nc6-/+)) 18.0-0-0 (18.ed6 Rae8 19.0-0-0 cd6+=) 18...de5 19.Be5 Rae8 20.Bf4 (20.Bc3 Be4 21.de4 Qe6=) 20...Be4=+ 21.de4 Qe4 (21...Re4 22.Rfe1 Re1 23.Re1=) 22.Rfe1 (22.Qe4 Re4 23.c5 b6=) 22...Qc2 (22...Qf3!? 23.Re3 Re3 24.fe3 Kh8=) 23.Kc2+= Re1 24.Re1 c6 (24...g5 25.Be3+/-) 25.Re6 (25.Re7 g5 26.Be3 Rf7+-) 25...Nb8? (better 25...Kf7 26.Re5 g6+=) 26.Re7+- b5 (26...g5 27.Bd6 (27.Bg5?! Rf7+/-) 27...Na6 28.Rb7 Rf2 29.Kd3+-) 27.cb5 (better 27.Be5 Rf2 28.Kd1+-) 27...cb5+/- 28.Ra7 Nc6 29.Rc7 (better 29.Rb7!?+/-) 29...Nd4+= 30.Kd3 Ne6 31.Rb7 Nf4 32.gf4 Rf4 33.Ke3 Rf5 34.Ke4 g6 35.Ke3 h5 36.Rc7 (36.Ke2 Kf8=) 36...Re5 (better 36...Rf3!? 37.Ke2 Ra3-/+) 37.Kd2= Rf5 38.Ke3 (better 38.Ke1!?=) 38...Rf3-/+ 39.Ke2 Ra3 40.Rb7 Ra2 (40...Rh3 41.Rb5 Kf7 42.Rb7 Ke6 43.Rb6 Kf5 44.Rb5 Kf4 45.Rc5-/+) 41.Ke3 (41.Kf1 Rb2 42.Rb5 Kf7=) 41...Rb2 42.Rb5 Kg7 (42...Kf7=+) 43.f3 (43.Rb7!? Kf6 44.b5=) 43...Rb3-/+ 44.Kf2 Rf3 45.Kg2 Rb3 46.h3? (better 46.Rb6-/+) 46...Rh3 47.Rb7 (47.Rg5 Rb3 48.b5 Kh6-+) 47...Kh6 48.b5 (48.Rc7 h4 49.Rc4 Kh5 50.Rc5 g5-+) 48...Rb3 49.b6 Kg5 (49...h4 50.Ra7-+) 50.Rb8 (50.Ra7 h4 51.Ra5 Kh6-+) 50...h4 Black intends g3 51.b7 (51.Ra8-+) 51...h3 52.Kh2 Rf3 (52...Rb2 53.Kh1 g3 54.Rd8 Rb1 55.Rd1 Rd1) 53.Rc8 (better 53.Rh8 Rf2 54.Kg1=) 53...Rf2-/+ 54.Kh1?? (better 54.Kg1 g3 55.Rh8 h2 56.Rh2 gh2 57.Kf2-/+) 54...g3-+ 55.b8Q (55.Rc5 Kh4 56.Rc4 Kh5 57.Rc5 g5 58.Rc1 Rh2 59.Kg1-+) 55...g2 (55...Rf1) 56.Kh2+- g1Q 57.Kg1 (57.Kg1 Rf4 58.Rc5 Kg4 59.Qd6 h2 60.Kh2 Rf2 61.Kg1 Rf5 62.Qg6 Kf4 63.Qf5 Ke3 64.Qe5 Kf3 65.Rc3 Kg4 66.Rg3 Kh4 67.Qg5). e4_e5_f4 (1715) - jackmuzik (1710), lichess.org, 2021.

5.Nc3 c6

6.a4 g6 7.d3 Bg7 8.g3 0-0 9.Bg2 f4 10.e4 Qb6 11.Qb3 Kh8 12.a5 Qd8 13.f3 g5 14.g4 Bg4 15.fg4+/- Ng4 16.Bf3 Ne3 17.h3 Bf6 18.Nd1 g4? 19.hg4 Bh4 20.Ke2 Ng4 21.Bg4 Qg5 22.Nf3 Qg4 23.Rh4 Qe6 24.Nf2 Nd7 25.Rah1 Nf6 26.Rh7! Nh7 27.Rh7! Kg8 28.Qd1 Qg6 29.Rh4 Kf7 30.Be5! Ke7 31.Bf4 Kd7 32.Qh1 Rae8 33.Rh6 Qg8 34.Rd6 Ke7 35.Qh4 Kf7 36.Qf6# 1–0. De Visser,Arno – Stellingsma, 1999.

6.Qb3 Be6 7.d4 Be7 8.d5 cd5 9.cd5 Bf7 10.Bb5 Nbd7 11.Nf3 0-0 12.0-0 h6 13.Rad1 Nb6 Will d5 fall? 14.a4 a6 15.Be2 Rc8 16.a5 Na8 17.Nd2 Nc7 18.Nc4 (better is 18.Bc4!?=) 18...Ncd5–/+ (18...Bd5?? 19.Nd5 Ncd5 20.Nb6+-) 19.Nd5 Nd5 (19...Bd5? 20.Rd5 Nd5 21.Nb6+-) 20.Ne5? (better is 20.Rd2–/+) 20...de5–+ 21.Bc4 Qc7?? (better is 21...Rc4 22.Qc4 Nb4 23.Rd8 Bc4 24.Rf8 Kf8–+) 22.Bd5+= Bd5? (better is 22...Qc2!? 23.Qa2 Rc6+= (23...Bb4?? 24.Rc1+-)) 23.Qd5+- (23.Rd5?! Qc2 24.Qa2 Rf7+=) 23...Kh7 24.Be5 Qc4 25.Qc4 Rc4 26.Rd7 Re8 27.Rb1 (27.Rb7 Bf8 28.Bd4 Rb4+-) 27...Kg8 (27...Bf8!? 28.f4 Re7+/-) 28.Rb7+- Bf8 (28...Rb4 29.R1b4 Bb4 30.Bd4+- (30.Rb4?! Re5 31.Ra4 g5+=)) 29.Bd4 f4 30.h3 fe3 31.fe3 Re6 (31...Be7 32.b5 ab5 33.R1b5+-) 32.Rf1 (better is 32.Rb8!? Kf7 33.Rf1 Rf6 34.Bf6 gf6+-) 32...Rg6 (32...Be7 33.b5 ab5+-) 33.Rb8 (33.Rb8 Rgc6 34.Rff8 Kh7 35.b5 ab5 36.h4+-) 1–0. polynesia46 – tiranosaurus, kurnik, 2013.

6.b5 c5 7.Nge2 (7.Be2 Be7=) 7...Be7 8.d4 cd4 9.ed4 0-0 10.de5 de5 11.Qd8 Rd8 12.Rd1 Be6 13.Rd8 Bd8 14.Nc1 (14.f4!? Bc7 15.b6 Bb6 16.fe5=) 14...Nbd7-/+ 15.Be2 (15.Nb3 Rc8-/+) 15...Ba5 (15...Rc8 16.Nb3-/+) 16.0-0 (16.Nb3 Bc3 17.Bc3 a6-/+) 16...Rc8 17.Nb3 Bc3 18.Bc3 Bc4 19.Bc4 Rc4 20.Ba1 (20.Rc1 a6-+) 20...Kf7 (20...Ra4 21.f4 ef4 22.Rf2-+) 21.Rd1 (21.Re1 Re4 22.Kf1 a6-/+) 21...Ke6 (21...Rb4 22.Nd2-+) 22.f3 Rb4 23.Rb1 Rc4 (23...Rb5?! 24.Nd4 ed4 25.Rb5+=) 24.Na5?? (24.Rd1 Nd5 25.Na5-+) 24...Rc7-+ 25.a4 Nd5 26.Nb3 Rc4 27.a5 (27.Na5 Ra4 28.Nb7 a6 29.Nd8 Kf6-+) 27...Rb4 (better 27...Nc7-+) 28.a6? (better 28.Nd2-+) 28...ba6 (28...Rb5 29.Nd4 ed4 30.Rb5 ba6 31.Ra5=) 29.ba6 Ra4 (29...Rb6 30.Kf2-+) 30.Re1 Ra6 (better 30...Kd6!?-+) 31.Be5-/+ Kf7 (31...Ne5?! 32.Nc5 Kd6 33.Na6=) 32.Nd4 g6 (32...Ne5?! 33.Re5 Ra1 34.Kf2 Ra2 35.Kf1=+) 33.h3 (33.Bh8 f4-+) 33...Ne5 34.Re5 Nf6 (34...Nf4!? 35.h4-+) 35.Rb5 Rb6 36.Rb6 ab6 37.Kf2 Ke7 (37...Nd5 38.g4-+) 38.Ke2 (38.g4 Kd6-+) 38...Kd6 39.Kd3 Kc5 (39...f4 40.h4-+) 40.Nb3 (40.g4 fg4 41.fg4 h6-/+) 40...Kb4 (40...Kd5 41.Nd4-+) 41.Nd2 (41.Nd4 Nd7-/+) 41...b5 42.Kd4 Ka3 43.Ke5 Nh5 44.Kd5? (better 44.g4 fg4 45.hg4-/+) 44…b4 0-1. Superfish (2220) - piandry (2195), Rated Blitz game, lichess.org, 2016.

6.d4 e4 7.Nh3 g6 8.d5 Bg7 9.Rc1 0-0 10.Qb3 Kh8 11.Be2 Nbd7 12.Nf4 Ne5 13.h4 Nfg4 14.g3 Nf3 15.Bf3 ef3 16.dc6 bc6 17.Rd1 Qe7 18.Nb1 Bd7 19.Nd2 Rfe8 20.Bg7 Qg7 21.Nf3 Qe7 22.0-0 Be6 23.Qc3 Kg8 24.a3 Rad8 25.Rd2 Bf7 26.Rfd1 Qe4 27.Ng5 Qc4 28.Qc4 Bc4 29.Rd6 Rd6 30.Rd6 Ne5 31.Nge6 Kf7 32.Nd4 Ke7 33.Rc6 Nc6 34.Nc6 Kd6 35.Nd4 Ke5 36.f3 Rc8 37.Kf2 Bf7 38.Nd3 Kf6 39.Nc5 Bc4 40.g4 a5 41.g5 Ke5 42.f4 Kd6 43.Nb7 Kd5 44.Na5 Bd3 45.h5 Rc1 46.hg6 Rf1 47.Kg2 hg6 48.Nac6 Ke4 49.Ne6 Ke3 50.Ne7 Be4 51.Kg3 Rf3 52.Kh2 Ba8 53.Ng6 Kf2 54.Nh4 Ra3 55.Nf5 Ra1 56.Ng3 Rh1 57.Nh1 Bh1 58.Kh1 Kf3 59.g6 1-0. zembelek (2220) - Sdelay (2015), Rated Classical tournament, lichess.org, 2016.

6.d4 Qe7 7.Nf3 e4 8.Nd2 d5 9.c5 g6 10.Be2 Bh6 11.Nf1 0-0 12.h3 Na6 13.a3 Nc7 14.Bc1 Ne6 15.g3 Qc7 16.Bd2 g5 17.h4 g4=+ 18.Nh2 Nh5 19.Rg1 Bg7 20.Qb3 Nf6 21.Bd1 h5 22.Ne2 Nd7 23.Rc1 Bf6 24.Nf1 b6 25.cb6= Qb6 26.Nf4+= Nf4 27.gf4 Kg7 28.Rh1 Ba6= 29.Ng3 Kg6 30.a4 Rfc8 31.b5 Bb7 32.Kf1 cb5–/+ 33.ab5 a6 34.Rc8 Rc8 35.ba6 Ba6 36.Kg2 Qc6 37.Qa3 Ra8 38.Qb4 Nb6 39.Ne2 Ra7 40.Qf8 (40.Ng3 Bd3–/+). Roczniak,Jan – Jonczyk, Poland (year?).

6.Nge2 Be7 7.g3 (7.d4 0-0=) 7...0-0 (7...Be6 8.d3-/+) 8.Bg2 Be6 9.d3 Nbd7 (9...d5 10.cd5 Nd5 11.a3=+) 10.0-0= Rc8 11.f4 b6 (11...Qb6!? 12.Bc1 d5 13.fe5 Ne5=) 12.a4 White intends b5 12...Ng4 13.Qd2 h6 (13...a5 14.h3 ab4 15.Na2+=) 14.b5 (14.h3 Ngf6+/-) 14...c5 (14...Nc5!? 15.Ra3 e4+=) 15.Nd5+/- Ndf6? (better 15...Ngf6+/-) 16.Ne7+- Qe7 17.a5 (17.h3!? ef4 18.ef4 Qf7+-) 17...e4 (17...ef4!? 18.Nf4 Bf7+/-) 18.ab6 ab6 19.Ra6 (19.h3 ed3 20.Qd3 Qf7+/-) 19...Rb8? (19...ed3 20.Qd3 Qf7 21.Rc1+=) 20.Rfa1 (20.h3!? ed3 21.Qd3+-) 20...ed3 (20...Bf7 21.Ra7 Qe6 22.Re1+=) 21.Qd3 (21.Ra7 Bd7 22.Bf6 Nf6 23.Nc3+/-) 21...h5 (better 21...Bf7!? 22.Bf6 Nf6+/-) 22.Ra7 Qd8 23.h3 Nh6 24.Bf6 (24.Bf3 Nf7+-) 24...Rf6 25.Nc3 1-0. wireless78 (2285) - piandry (2185), Rated Blitz game, lichess.org, 2016. (=1.c4 f5 2.b4 e5 3.Bb2 d6 4.e3 Nf6 5.Nc3)

6.Nf3 Be6 7.h4 Nbd7 8.d4 e4 (8...Be7 9.h5=) 9.Ng5 (9.d5 Bf7 10.Nd4 Qb6+=) 9...Bg8= 10.g3 (10.Be2 Nb6 11.Qb3 Be7=) 10...h6 11.Nh3 Ng4 (11...Nb6 12.Qb3=+) 12.Be2 Ndf6 13.Nf4 White plans d5 13...Bf7 14.d5 Qb6 15.a3 0-0-0 (15...Be7 16.Bg4 Ng4 17.Ne4 Ne3 18.fe3 Qe3 19.Qe2 Qe4 20.Qe4 fe4 21.Bg7=) 16.Rc1 Ne3 (16...Kb8 17.dc6 bc6 18.b5+=) 17.fe3 Qe3 18.Rf1 (18.Rh3 Ng4 19.Qa4 Qf2 20.Kd2 Ne5+/-) 18...Qg3 19.Kd2 Qh4 20.Qa4 Kb8? (20...g5 21.Qa7 e3 22.Kd1 c5+- (22...gf4 23.dc6 Qe1 24.Ke1 bc6 25.Nd5 Nd5 26.cd5 Re8 27.Rc6 Kd8 28.Qc7)) 21.dc6+- b6?? (better 21...bc6 22.Qc6 Be8+-) 22.Qa6 Rd7 23.cd7 Nd7 24.Nb5 Qd8 25.Qa7 Kc8 26.Nd5 Be6 27.Qa8 Nb8 28.Na7 Kd7 29.Qb7 Ke8 (29...Qc7 30.Qc7 Ke8 31.Bh5 g6 32.Nf6) 30.Nc7 (30.Bh5 g6 31.Bg6 Bf7 32.Qf7) 30...Kf7+- 31.Na6 (31.Bh5 Kg8 32.Ne6 e3 33.Ke2 Qe7 34.Qd5 Qb7 35.Nc6 Qc6 36.Bf7 Kf7 37.Qf5 Kg8 38.Qf8 Kh7 39.Qg7) 31...Nd7 32.Bh5 (32.Qe4 Ne5+-) 32...g6 (32...Kg8 33.Rf5 Ne5 34.Nc6 e3 35.Ke3 Nc6 36.Rcf1+-) 33.Bh8 Qg5 34.Kc2 Qh5 (34...Kg8 35.Bg6! Kh8 36.Rg1+-) 35.Nb8 (better 35.Qe4! Qh2 36.Kb1 Ne5+-) 35...Qe2 36.Kb3 Qd3 37.Kb2 (37.Ka4 Bc4 38.Bc3 Be7 39.Nd7 Ba6 40.Qb6 Qc4+-) 37...Qe2 (37...Kg8 38.Nd7 Bd7 39.Qd7 Kh8 40.Qd8+-) 38.Rc2 Qf1 (38...Bg7 39.Bg7 Qf1 40.Nd7 Kg7 41.Ne5 Kg8 42.Qb8 Kg7 43.Qc7 Kh8 44.Qd8 Kg7 45.Qe7 Kh8 46.Qf6 Kh7 47.Qg6 Kh8 48.Qh6 Kg8 49.Qe6 Kh8 50.Rh2 Qh3 51.Rh3 Kg7 52.Qf7) 39.Nd7 Bd7 40.Qd7 Kg8 (40...Be7 41.Nc8 Qc1 42.Kc1 Kg8 43.Qe8 Bf8 44.Ne7 Kh8 45.Qf8 Kh7 46.Qg8) 41.Bd4 (41.Bf6 Qa1 42.Ka1 h5 43.Rg2 Be7 44.Qe7 f4 45.Rg6) 41...Qd3 (41...h5 42.Qe8 Qg1 43.Bg1 Kg7 44.Rg2 g5 45.Rg5 Kh7 46.Qg6 Kh8 47.Qg8) 42.Qe6 Kh7 43.Qf7 (43.Qf7 Bg7 44.Qg7) 1-0. zembelek1 (2150) - Shatir (2180), Rated Classical tournament, lichess.org, 2016.

6.Nf3 g6 7.d4 e4 8.Nd2 Bg7 9.Be2 0-0 10.b5 a5 11.a4 c5 12.Nb3 b6 13.dc5 dc5 14.0-0 Be6 15.Qd8 Rd8 16.Rfd1 Rd1 17.Rd1 Nbd7 18.Nb1 Ne8 19.Bg7= Kg7 20.f4 ef3 21.gf3 Kf7 22.f4 Rd8 23.Nc3 Ke7 24.Nd5 Bd5=+ 25.Rd5 Nef6 26.Rd3 Ne4 27.Nd2 Ndf6 28.Ne4 fe4 29.Rd8= Kd8 30.Kg2 Ke7 31.Kg3 Ne8 32.Kg4 Kf6 33.Kg3 Nd6 34.Kf2 Kf5 35.Kg3 h5 36.Kh4 Kf6 37.Kg3 h4 38.Kf2 g5 39.fg5 Kg5 40.h3 Kf5 41.Ke1 Nf7 42.Kd2 Ne5 43.Kc3 Nf3 44.Bf1 ½–½. Melich,Jindrich (2160) – Vanka,Miloslav (2250), Praha CZE–chTV, 1999.

6.d4 Be7

7.d5 0-0? 8.Nf3 Na6 9.a3 Nc7 10.Qb3 cd5 11.cd5 Kh8 12.Bc4 Bd7 13.a4 b6 14.0-0 h6 15.Rfd1 Qe8 16.b5 g5 (16...Ne4!?+=) 17.Ne5+/- de5 18.d6 Bd6 19.Rd6 Qe7 20.Rad1 Rfd8 21.f4 gf4 22.ef4 Nce8 23.fe5 Nd6 24.Nd5 (24.Rd6 Ng4 (24...Qe5?? 25.Ne4 Qd6 26.Nd6+-) 25.e6 Kh7+=; 24.ef6 Qe3 25.Kh1 Nc4 26.Qc4 Bb5–/+) 24...Nc4 (24...Qg7 25.ed6 Rf8+-) 25.Ne7 Nb2 (25...Be6 26.Rd8 Rd8 27.ef6 Bf7+-) 26.Qf7 Rg8 27.ef6 Be6 (27...Rae8 28.Ng8 Rg8 29.Rd7 Rg2 30.Kg2 Na4 31.Qe8) 28.Ng6 Rg6 29.Qg6 Nd1 30.Qg7# 1–0. Briscoe,C (2265) – Lauterbach,I (2155), 4NCL, 2009.

7.de5 de5 8.Qd8 Bd8 9.Nf3 Bc7 10.Be2 h6 11.Na4 Nbd7 12.Nh4 Nf8 13.0-0 Be6 14.Nc5 Bc8 15.f4 ef4 (15...e4!?+=) 16.Bf6+/- gf6 (16...f3!? 17.Rf3 gf6 18.Nf5+/-) 17.Bh5+- (17.ef4?! Bb6+=) 17...Ke7 18.ef4 Bd6 19.Rad1 Bc5 (19...b6 20.Na6!! Kd7 21.Nf5 Ba6 22.Rd6 Kc7+-) 20.bc5 Bd7 21.Rfe1 Kd8 (21...Ne6 22.Nf5 Kd8 23.Re6+-) 22.Re8 (22.Re8 Kc7 23.Ra8+-) 1–0. pcmvr – blackfox (2525), net–chess.com, 2016.

7.Nf3 e4 8.Nd2 0-0 9.a4 a5 10.b5 Be6 11.Be2 Ng4 (11...Qe8 12.0-0=) 12.0-0 (better is 12.d5!? Bd7 13.Bg4 fg4 14.dc6 bc6 15.Nde4+-) 12...d5= 13.c5 Qe8 14.h3 Qh5?? (better is 14...Nf6+=) 15.hg4 fg4 16.Re1?? (16.bc6 bc6 17.Nce4 de4 18.Ne4 Na6+/-) 16...Nd7? (16...Qf5 17.Nde4 de4 18.Rf1=) 17.Nf1 (better is 17.Rb1+-) 17...Rf2?? (better is 17...Qf5 18.Kh1 Qg5+=) 18.Kf2+- Rf8 (18...Qh1 19.Ng3 Rf8 20.Bf3 Qh6+-) 19.Bf3 (better is 19.Kg1+-) 19...gf3–/+ 20.g3?? Qh3 21.Re2 Bh4 22.gh4 Qh4 23.Ng3 Qh2 24.Ke1 Qg3 25.Kd2 fe2 26.Ne2 Qg2 27.Qg1 Rf2 28.Qg2 Rg2 29.Re1? Bg4 30.Bc1 cb5 31.ab5 a4 32.c6 bc6 33.bc6 Nb6 34.c7 Kf7 35.Ba3 Ke6 36.Kc3 Be2 37.Kb4 Ba6 38.Kc5 Nc8 39.Kc6 Rd2 40.Bc1 Rc2 0–1. kannisogoet – malvadao, kurnik, 2013.

6.Nf3 Be7

7.Be2 0-0 8.Qb3 e4 9.c5 Kh8=.

7.Be2 0-0 8.d3 a5 9.b5+=.

7.Be2 0-0 8.d3 a6 9.0-0+- Qe8 (9...Nbd7 10.Qb3+=) 10.c5 (10.Qb3 a5 11.b5 Nbd7+-) 10...Qg6 (10...Nbd7 11.d4+=) 11.Qb3 (11.cd6 Bd6 12.d4 e4+-) 11...Kh8 12.d4 (12.cd6!? Bd6 13.d4+=) 12...e4+= 13.Nh4 (13.Nd2 d5=) 13...Qh6= 14.cd6 Bd6 15.g3 Ng4 16.h3 (better 16.Bg4 fg4 17.Ne4=) 16...Be6?? (better 16...Ne3 17.Bc1 f4 18.fe3 f3 19.Nf3 ef3 20.Rf3 Rf3 21.Bf3 Qh3=+) 17.d5+- cd5 (17...Nf2 18.de6 (18.Kf2?! cd5 19.Nd5 Nc6=; 18.Rf2?! cd5 19.Nd5 Nc6=) 18...Nh3 19.Kg2 Qe3 A) 20.Nf5?? Rf5 21.Ne4 Qe2 (21...Qe4 22.Kh3 Rd5 23.Rf2=+) 22.Nf2 Rf2 23.Rf2 Nf2 24.Bg7 Kg7 25.Qc3 Qe5 26.Qe5 Be5–+; B) 20.Nf3=) 18.hg4+- d4 (better 18...fg4!? 19.Qd1 Nc6+-) 19.Qd1+- fg4?! (19...Bg3 20.fg3 Qe3 21.Kg2 dc3+-) 20.Qd4 Be7 21.Qe4 Bh4 22.gh4 Nc6 23.Rad1 (worse 23.Bg4 Rae8+-) 23...Rae8 (23...Bf5 24.Qh1+-) 24.Rd6 Qh4 (24...Nd8 25.Bg4 Qh4 26.Be6 Qe4 27.Ne4 Re6+-) 25.Re6 Re6 26.Qe6 g3 27.fg3 Qg3 28.Kh1 Rf1 29.Bf1 Qb8 1–0. guestrtfw – guestekdv, internet free game, 2018.

7.Be2 0-0 8.d3 d5 9.cd5+= Bb4 (9...cd5 10.Ne5 Nc6 11.d4+=) 10.Qb3+- Bc3 11.Bc3 (better 11.Qc3 Nd5 12.Qe5+-) 11...e4 (better 11...Qd5 12.Be5 Re8+-) 12.de4+- fe4?? (12...Kh8 13.ef5 Qd5+-) 13.dc6 Kh8 (13...Nd5 14.c7! Qc7 15.Qd5 Kh8 16.Be5+-) 14.cb7 Bb7 15.Qb7 ef3 16.Bf3 Nbd7 17.Qa8 Qa8 18.Ba8 Ra8 19.Ke2 Ne4 (19...Kg8 20.Rhd1+-) 20.Rhc1 Nb6 (20...Kg8 21.Bd4 Nf8 22.Rc6+-) 21.Bd4 Nd5 (21...Ng5 22.Rc6 Kg8 23.Rac1+-) 22.Rab1 Rf8 (22...a6 23.Rb7 Nef6 24.Ra7+-) 23.Rb7 Rf2 (23...Nef6 24.Ra7 Re8+-) 24.Kd3 Nef6 25.Rc8 (25.Rc8 Ne8 26.Re8 Rf8 27.Rf8) 1–0. ggo7801 – blydfcp, internet online private game, 2018.

7.Be2 e4 8.Ng5=.

5.Nc3 Be6

6.Qb3 c6 7.Nf3 h6 8.a4 g5 9.d4 e4 10.Nd2 d5 11.Be2 Nbd7 12.a5 a6 13.Na4 Bd6 (13...Qc7 14.Nc5 Nc5 15.bc5=) 14.Nc5+= Nc5 15.bc5 Bc7 16.Bc3 (16.cd5 Bd5 17.Qb4 f4=) 16...Rb8 17.h4 (17.0-0 f4=) 17...Kf7 (17...g4 18.g3=+) 18.g3 f4 19.hg5 hg5 20.Rh8 Qh8 21.gf4 gf4 22.cd5 Bd5 23.Bc4 (better 23.Qb4=+) 23...fe3-+ 24.Bd5 cd5 (24...Nd5 25.fe3 Qh1 26.Nf1 Bg3 27.Kd2 Qg2 28.Kc1 Qf1 29.Kb2 Qe2 30.Qc2 Qc2 31.Kc2 Ne3 32.Kb3-+) 25.fe3 (25.Nf1 ef2 26.Kf2-+) 25...Qh1 26.Ke2 Qg2 (better 26...Qh5!? 27.Kf2 Bg3 28.Kg3 Qe2 29.Qb7 Rb7-+) 27.Kd1-/+ Ke6 28.Kc2 Ng4 29.Re1 Qf2 30.Kd1? (better 30.Rh1-/+) 30...Ne3-+ 31.Re3 Qe3 32.c6 (32.Qb4-+) 32...bc6 33.Qa3 Bd6 (33...Bd6 34.Bb4 Qa3 (34...Bb4 35.Qe3 Rb5 36.Nf3+-) 35.Ba3 Ba3-+) 0-1. ClayPigeons (2130) - petrut1970 (2300), Rated Blitz game, lichess.org, 2019.

6.Qb3 Be7 7.Nf3 0-0 8.Ng5 Bf7 9.Nf7 Rf7 10.Be2 c6 11.d4 e4 12.d5 c5 (better 12...a5!? 13.b5 cd5+=) 13.bc5+/- dc5 14.Qb7 Nbd7 15.Qb3 Bd6 16.Nb5 Rb8 17.Qc2 Be5 18.Be5 Ne5 19.Na7?? (better 19.0-0+/-) 19...Ra7 20.0-0 Ra3 21.Rfb1 Rb1 22.Rb1 Qa8 23.Qb2 Ra2?? (better 23...Nfd7 24.Ra1 Qa7-+) 24.Qe5+- Re2 25.Rb8 Qb8?? (better 25...Kf7 26.g4 Qa7+-) 26.Qb8 Kf7 27.h3 g6 (27...Re1 28.Kh2 g5+-) 28.Qc7 Kf8 29.Qc5 Kg7 30.Qc7 (better 30.Qe7 Kh6 31.Qf6 Ra2+-) 30...Kh6 31.Qe5 Nh5 (31...Re1 32.Kh2 Ng8 33.Qh8+-) 32.d6 Rd2 33.Qe7 f4 34.d7 fe3 35.fe3 Ng3 36.Qh4 Nh5 1-0. carlos78 (2305) - baran2000 (2115), Rated Blitz game, lichess.org, 2015.

6.b5 Be7 7.d4 ed4 8.ed4 0-0 9.Nf3 c6 10.a4 Nbd7 (10...d5 11.Ng5 Bc8 12.Be2=) 11.Bd3 Ne4 12.0-0 Rc8 13.Ne4 fe4 14.Be4 Bc4 15.bc6 bc6 16.Re1 (16.Bh7!? Kh7 17.Qc2 Kh8 18.Qc4+/-) 16...Nf6= 17.Bf5 Rb8 18.Qc2 Bd5 19.Qe2 (better is 19.Ng5!?+=) 19...Bf3+= 20.Qf3? (better is 20.gf3 Re8 21.Rab1+=) 20...Rb2–+ 21.Qc6 g6 22.Be6 Kg7 23.Qc3 (23.Reb1 Re2 24.Qc4 Re4–+) 23...Rf2! 24.d5 (24.Kf2 Nd5 Double attack) 24...Qb6 25.Kh1 Qc5 26.Qb3 Ne4! 27.h3 (27.Re4 Rf1 Mate attack) 27...Ng3 (better is 27...Rg2 28.Kg2 Qf2 29.Kh1 Rf3 30.Re4 Rb3–+) 28.Kh2?? (better is 28.Qg3 Qd4 29.a5=) 28...Nf1 (28...Rg2! 29.Kg2 Qf2) 29.Kh1–+ Bg5 0–1. typ48 – niemy25, internet, 2013.

6.d4 e4 7.d5 Bd7 8.Nge2 Be7 9.b5 0-0 10.a4 Ng4 11.h3 Nf2?? (better is 11...Ne5 12.Nd4 a6=) 12.Kf2+- Bh4 13.Kg1 Bg5 14.Nf4 Bf4 15.ef4 Qh4 16.Ne2 g5? (16...Rf7+-) 17.Qd4 Qh6 (17...Kf7 18.Qg7 Ke8 19.Bf6+-) 18.fg5 Qg6 (18...Qg5 19.Qh8 Kf7 20.Qh7 Ke8 21.Bg7+-) 19.h4 (better is 19.Nf4 Qg5 20.Ne6 Qh6 21.Nc7 Na6 22.Na8 Nc5+-) 19...c5 (19...Kf7+-) 20.bc6! bc6 21.Nf4 c5 22.Qc3 Qe8 23.Qh8 (23.Qg7) 23...Kf7 24.Qh7 1–0. typ48 – macarus, internet, 2013.

6.Be2 Nbd7 7.Qc2 Be7 8.Nf3 0-0 9.0-0 h6 10.d4 g5? (10...c6!?=) 11.de5 (11.d5!? Bf7 12.Qf5+-) 11...de5+= 12.a3 (better 12.c5+=) 12...e4? (12...c5 13.bc5 Rc8 14.Rfd1+=) 13.Nd2?? (better 13.Nd4!? Kf7 14.c5+-) 13...Bd6 (13...c5 14.Qb3+=) 14.h3 (14.c5 Be5+/-) 14...Qe8 (14...c5 15.Nb5 Be7 16.bc5 Nc5 17.Rfd1=) 15.c5 Be5 16.Nc4 Bc4 17.Bc4 Kh7 18.Nb5 (18.Rad1 a5+/-) 18...c6 (18...Bb2 19.Qb2 Ne5 20.Qc3 Nc4 21.Qc4+=) 19.Be5 (19.Nd6 Bd6 20.cd6 g4+=) 19...Qe5 20.Nd6 Rab8 (20...b5 21.Bb3+=) 21.Rad1 f4? (better 21...g4!?+/-) 22.ef4 gf4 (22...Qf4 23.Ne4! Kh8 24.Nd6+-) 23.Rde1 (23.Ne4 Kh8+-) 23...b6 (23...Kg7 24.Ne4 Rfe8 25.Qd1 Ne4 26.Qd7 Kh8 27.Re2+-) 24.Bd3! bc5 (24...ed3 25.Re5 Pinning (25.Re5 Deflection; 25.Qd3 Decoy)) 25.Ne4 (25.Be4?! Kh8 26.Rd1 Ne4 27.Ne4 Qg7 28.Nc5 Rg8+/-) 25...Kg7? (25...Kh8 26.Nc5 Qd6+-) 26.Nf6 (better 26.Nc5 Qh5 27.Ne6 Kg8 28.Nf4+-) 26...Qf6+/- 27.bc5 Nc5?? (better 27...f3 28.g3 Rfd8+/-) 28.Qc5+- Rb5 (28...Rb7 29.Qc4 Re7 30.Re7 Qe7 31.Qc6+-) 29.Qa7 (better 29.Bb5 cb5 30.Re7 Kg8+-) 29...Rf7 30.Qa4 Rg5 31.Qe4 (better 31.Re8 f3 32.g4+-) 31...Kg8 (31...f3 32.g4 h5+-) 32.Rb1 (better 32.Bc4 f3 33.Qe8 Kh7 34.Bf7 Rg2 35.Kh1+-) 32...f3 (32...Qe5 33.Qe5 Re5 34.Bc4+-) 33.g3 (33.Rb8 Qd8 34.Rd8 Kg7 35.Qh7 Kf6 36.Qh6 Rg6 37.Qg6 Ke5 38.Qd6) 33...Qd8 (33...Qd6 34.Rfd1 Kh8 35.Kh2+-) 34.Rbe1 (34.Bc4 Rd5 35.Qg6 Kf8 36.Qh6 Kg8 37.Qc6 Rdd7 38.Qg6 Kh8 39.Bf7 Rd6 40.Qh5 Kg7 41.Qg4 Qg5 42.Qg5 Kf7 43.Rb7 Rd7 44.Rd7 Ke6 45.Qe7 Kf5 46.g4 Kg6 47.Rd6) 34...Qd7 (34...Qd6 35.Kh2 Kh8+-) 35.h4 (better 35.Bc4+-) 35...Qh3-+ 36.hg5?? (better 36.Qf3 Rf3 37.Bc4 Rd5 38.Bd5 cd5 39.a4-+) 36…Qg2 0-1. e4_e5_f4 (1715) - sethup (1730), lichess.org, 2021.

6.Nf3 a6 7.Be2+/- Nbd7 8.0-0 h6 (8...Ne4 9.d4+/-) 9.Nh4 (9.d4 a5 10.b5 g6+/-) 9...Kf7 10.Bh5 (10.d4 c6+/-) 10...Kg8 (better 10...Nh5 11.Qh5 Kg8=) 11.Ng6?? (11.Bg6 a5 12.b5 Bc4 13.Bf5 c6+- (13...Bf1 14.Be6 Kh7 15.Qc2 Bd3 16.Qd3 e4 17.Ne4 Rg8 18.Nf6 Kh8 19.Qh7)) 11...Rh7?? (better 11...Bf7 12.Qf3 Nh5 13.Nh8 Kh8 14.Qf5 Qe8-+) 12.Nf8 (12.Be2 a5 13.a3 Nb6+/-) 12...Nf8 13.f4 (13.Be2 Ng6+=) 13...g6 (13...ef4!? 14.ef4 Nh5 15.Qh5 Bc4=) 14.Bf3 (14.Be2 a5 15.a3 c6+/-) 14...e4+= 15.Be2 c6 16.d4 d5 17.cd5 (17.c5 Re7+/-) 17...cd5 (17...Bd5 18.a4+=) 18.b5 a5 (18...Rc7 19.ba6 ba6 20.Qd2+/-) 19.a4 (19.Na4!?+/-) 19...b6 (19...N8d7 20.Qe1=) 20.Ba3 Rc8 21.Qb3 N8d7 (21...Rhc7 22.Rac1=) 22.Bd6 (22.Rfc1 Nf8+=) 22...Rf7 (22...Ne8!? 23.Be5 Ne5 24.fe5 Qg5=) 23.Rac1+= h5 (23...Nf8 24.Be5+/-) 24.Rc2 (24.Nb1 Ne8 25.Qa3 Nd6 26.Qd6 Rf6+/-) 24...Nb8 25.Be5 Nfd7 26.Bd6 Rc4?? (26...Nf6 27.Qa3 Ng4 28.Bg4 fg4+/-) 27.Bc4+- dc4 28.Qa2 Qc8?? (28...Nf6 29.Be5 Nbd7+-) 29.d5 Nc5 (29...Nf6 30.de6 Rb7 31.Be5 Qe6 32.Bf6 Qf6 33.Nd5+-) 30.de6 Qe6 (30...Ne6 31.Bb8 Qb8 32.Qc4+-) 31.Bc5 (better 31.Bb8 Rd7+-) 31...bc5 32.Rd1 Rd7 33.Rd7 Nd7 34.Ne4! Qe4 (34...Qe4 35.Rc4 Double attack (35.Rc4 Decoy); 34...fe4 35.Qc4 Decoy) 35.Qc4 Qc4 36.Rc4 Kf7 37.b6! Nb6 38.Rc5 Na4 39.Ra5 Nc3 40.Kf2 Kf6 41.Ra6 Kf7 42.h3 h4 (42...Nd5 43.Ke2+-) 43.Ra7 Kf6 (43...Kg8 44.Ke1+-) 44.Rh7 g5 (44...Ne4 45.Ke1 Nc3+-) 45.Rh6 Kg7 46.fg5 Ne4 47.Ke2 Ng5 48.Rh4 Kg6 49.Ra4 Ne4 (49...Kh5 50.Kf2 Ne6+-) 50.Re4! fe4 51.g4 Kg5 52.Kf2 Kh4 (52...Kf6 53.Kg3 Ke7 54.h4 Ke6 55.Kf4 Kf6 56.h5 Kf7 57.h6 Kf6 58.g5 Kg6 59.Kg4 Kh7 60.Kf5 Kg8 61.g6 Kf8 62.Ke6 Ke8 63.h7 Kd8 64.h8Q Kc7 65.g7 Kb7 66.g8Q Kc6 67.Qb8 Kc5 68.Qc3) 53.Kg2 Kg5 54.Kg3 Kf6 (54...Kh6 55.Kf4 Kh7 56.Ke5 Kg7 57.h4 Kg6 58.Ke6 Kg7 59.h5 Kf8 60.g5 Kg7 61.Kf5 Kg8 62.h6 Kf8 63.g6 Ke8 64.h7 Kd7 65.h8Q Ke7 66.Qc8 Kd6 67.g7 Kd5 68.g8Q Kd6 69.Qge6) 55.Kf4 Kg6 (55...Ke6 56.h4 Kf6 57.h5 Kf7 58.g5 Kg8 59.Kf5 Kf7 60.g6 Ke8 61.h6 Ke7 62.h7 Kd6 63.h8Q Kd7 64.g7 Kc6 65.g8Q Kb6 66.Qe6 Kb5 67.Qd4 Ka5 68.Qeb6) 56.h4 White prepares g5 56...Kh6 (56...Kf6 57.g5 Kg6 58.Kg4 Kf7 59.h5 Ke6 60.Kf4 Kf7 61.Kf5 Kf8 62.g6 Ke8 63.h6 Kd8 64.h7 Kc7 65.h8Q Kc6 66.g7 Kc5 67.Qc8 Kb5 68.g8Q Kb6 69.Qgc4 Ka5 70.Q8c5) 57.Kf5 Kg7 (57...Kh7 58.g5 Kg7 59.h5 Kf7 60.g6 Ke7 61.h6 Kd6 62.h7 Kd7 63.h8Q Kd6 64.Qc8 Ke7 65.g7 Kd6 66.g8Q Ke7 67.Qge6) 58.g5 Kh7 (58...Kf8 59.h5 Kg7 60.h6 Kf7 61.g6 Ke8 62.h7 Kd7 63.h8Q Kc6 64.g7 Kb6 65.g8Q Kc6 66.Qc4 Kd7 67.Kf6 Kd6 68.Qd8) 59.h5 White plans g6 (59.Kf6 Kg8 60.g6 Kf8 61.g7 Ke8 62.g8Q Kd7 63.Qc4 Kd6 64.Qc8 Kd5 65.Ke7 Ke5 66.Qe6) 59...Kg7 (59...Kg8 60.Kf6 Kf8 61.h6 Ke8 62.g6 Kd7 63.h7 Kc7 64.h8Q Kd6 65.Qc8 Kd5 66.Ke7 Ke5 67.Qe6) 60.g6 Kh6 61.Kg4 Kg7 62.Kg5 Kh8 (62...Kf8 63.Kf6 Ke8 64.g7 Kd7 65.g8Q Kc7 66.h6 Kc6 67.Qc4 Kb7 68.h7 Kb6 69.Qb4 Kc7 70.h8Q Kc6 71.Qg7 Kd5 72.Qd7) 63.Kf6 Kg8 64.h6 White prepares the advance g7 64...Kh8 (64...Kf8 65.g7 Ke8 66.g8Q Kd7 67.Qc4 Kd6 68.h7 Kd7 69.h8Q Kd6 70.Qd8) 65.g7 Kh7 (65...Kg8 66.Ke6 Kh7 67.Kf7 Kh6 68.g8Q Kh5 69.Qg3 Kh6 70.Qg6) 66.Kf7 Kh6 67.g8Q Kh5 68.Qg3 Kh6 69.Qg6 1-0. carlos78 (2265) - kakasarabi (1965), Rated Blitz game, lichess.org, 2015.

6.Nf3 g6 7.Qb3 Bg7 8.Be2 0-0 9.Ng5 Qd7 10.Ne6 Qe6 11.Nd5 Nd5 12.cd5 Qe7 13.Rc1 Rc8 14.b5 Nd7 15.a4 Nc5 16.Qa2 e4 17.Ba3 b6 18.Bc5 bc5 19.a5 Rf8 20.Rc5 dc5 21.d6 Normal 1-0. carlos78 (2305) - jovanns (2050), Rated Blitz game, lichess.org, 2015.

6.Nf3 h6 7.b5 Nbd7 8.d4 g5 9.a4 Bg7 10.Qc2 e4 11.d5 +/- ef3 12.de6 Ne5 13.Nd5 c6 = 14.Be5 de5 =/+ 15.Qf5 Qa5 –/+ 16.Kd1 cd5 ?? 17.Qg6 +- Ke7 18.Qg7 Ke6 19.cd5 Kd5 ?? 20.Qf6 Rhf8 ?? 21.Bc4 ! Kc4 22.Qe6 Kc3 23.Qe5 Kc4 24.Qd4 Kb3 25.Rb1 Ka2 26.Qb2# 1–0. Timofeev,Vladimir F – Ubert, Moscow, 1965.

6.d4 ed4

7.ed4 Qe7 8.Kd2 d5 9.Qa4 Kf7 10.Nf3= dc4 11.Ng5 Kg6=+ 12.Ne6 Qe6 13.b5 Qd6 14.Qc4 Qf4 15.Kc2 Nbd7 16.g3 Qf2–/+ 17.Be2 Nb6 18.Qd3 Nbd5 19.Kb3 Nc3 20.Bc3 Re8 21.Rae1 Bd6 22.Rhf1+/- Re2 23.Qe2 Qe2 24.Re2 Rf8 25.Bb4 Bb4 26.Kb4 Rd8 27.Kc4 Ne4 28.Rf4 h5 29.Re3 Rd6 30.Ra3 a6 31.ba6 Rc6 32.Kd3 ba6 33.Rf1 Kg5 34.Rf4 g6 35.Rb3 Rc1 36.Rb2 Rc3 37.Ke2 Rc1 38.a3 Rc4=+ 39.d5 Rc5 40.Rb7 Rd5 41.Rc7 Rd2–/+ 42.Ke3 Rh2 43.Rc6 a5 44.Re4 fe4 45.Ke4 Rh3 46.Kf3 h4 47.Rc5 Kf6 48.Ra5 Rg3 49.Kf2 g5 50.a4 Ra3 51.Ra8 Kf5 52.a5 Kg4 53.a6 Kh3 54.a7 g4 55.Kg1 g3 56.Rf8 Ra7 57.Rf1 Kg4 58.Rb1 Ra4 59.Kh1 h3 60.Kg1 h2 61.Kh1 Kh3 62.Rb2 (62.Rg1 hg1R 63.Kg1 Ra1#) 0–1. Althoff,Guntram (2115) – Tchernyi,Andrei (2170), Hessen–ch MVT, 2005.

7.ed4 Qe7 8.Qe2 =+.

6.d4 Nbd7

7.d5 Bf7 =.

7.Nf3 a5 8.Ng5 Bg8 9.b5 =.

7.Nf3 Be7

8.Qc2 e4 9.Ng5 Bg8 10.Nh3 d5 11.c5 c6 12.Be2 h6 13.f4 Bf7 14.b5 Nf8 15.Qa4 Qd7 16.a3 Ne6 17.bc6 bc6 18.Na2 0-0 19.Nb4= Rac8 20.Ba6 Rc7 21.Bc3 Rb8+= 22.Nc2 Bc5 23.0-0? Bb6–/+ 24.Rfc1 c5–+ 25.Bb5 Qe7 26.Rab1–/+ Ng4 27.Be2 Rbc8 28.Ba6–/+ Rd8 29.Be2 cd4 30.Nd4? Ne3–+ 31.Rb6 ab6 32.Ne6 Be6 33.Qd4 Qc5 (34.Qc5 bc5–+; 33...Qa3 34.Qe3 d4 35.Bd4 Rc1 36.Kf2 Qe3 37.Ke3–+) 0–1. Poenisch,Eckehard – Franz,Karsten (2195), Oberliga Ost–A, 1996.

8.Be2 Ne4 =.

8.Ng5 Bg8 9.d5 Nd5=+ 10.Nd5 Bg5 11.Nc7 Qc7–/+ 12.Qh5 g6 13.Qg5 Bc4 14.Rc1 b5 15.h4 Rc8 16.h5= Kf7 17.e4 fe4–/+ 18.Rh4 Qd8 19.hg6 hg6–+ 20.Qd8 Rhd8 21.Kd2 Bf1 22.Rf1 Nb6 23.Kd1 Rc4 24.f4 ef3 25.Rf3 Kg7 26.Rh1 Rdc8 27.Rhh3 Na4 28.Ba3 a5 29.Rb3 Nc3 30.Ke1 a4 31.Rb2 d5 32.Rc2 d4 33.Bc1 Ne4 34.Bh6 Kg8 35.Rc4 bc4 36.Ra3 Nc3 37.Bc1?! Ra8 38.Bg5 Kg7 39.Rc3 dc3 40.Kd1 Kf7 41.Kc2 Ke6 42.Kc3 Kd5 43.Be3 Rb8 44.a3 Rh8 45.b5 Rh2 46.b6 Kc6 47.Kb4 Rg2 48.Kc4 Rb2 (48...Rb2 49.b7 Rb7–+) 0–1. Esquivel,Heriberto – Belmonte,Diego Mariano, ARG–chT Chaco, 1993.

8.Ng5 Bg8 9.Be2 g6 10.a4 (10.0-0 a5 11.a3 Nb6+=) 10...h6 11.Nf3 Bf7 12.de5 (12.0-0 a5 13.b5 0-0+=) 12...de5= 13.0-0 (13.Na2 e4 14.Ne5 Ne5 15.Be5 c5 16.bc5 Qa5 17.Qd2 Qd2 (17...Qa4? 18.Nb4 Qd7 19.Qb2+-) 18.Kd2 0-0-0 19.Kc3 Rhg8=) 13...Bb4 (13...e4 14.Nd4=) 14.Nd5 (14.Nb5!? e4 15.Ne5=) 14...Bd6=+ 15.Qb3 Nc5 16.Qc2 Nd5 17.cd5 Qe7 18.Rfd1 0-0 (18...Ne4 19.Ba6 c6 20.Ne5 Be5 21.Bb7=+) 19.a5 (19.Be5 Rac8+=) 19...a6 (19...Rfd8 20.Be5 Be5 21.Ne5 Qe5 22.Qc5 Rd5 23.Rd5 Qa1 24.Rd1+=) 20.Rab1 (20.Be5 Be5 21.Ne5 Qe5 22.Qc5 Rad8+=) 20...Kh7 (20...Be8 21.Ra1 e4 22.Ne5=+) 21.Bc3 (better 21.Be5!? Rad8 22.Bd6 Qd6 23.Rbc1+=) 21...Be8=+ 22.Bb4? (better 22.Rdc1 e4 23.Ne5=+) 22...Ba4-+ 23.Qc1 Bd1 24.Bd1 Nd3 25.Bd6 cd6 26.Qd2 Nc5 27.Bc2 Rfc8 28.Rb6 Rab8 29.h3 (29.Bb1 Qc7 30.Kf1 Na4-+) 29...Nd7 30.Rb2 Rc7 31.Kh2 (31.Bb3 Nf6-+) 31...Rbc8 32.g4 (32.e4 fe4 33.Be4-+) 32...e4 33.Nd4 Qe5 (33...fg4 34.hg4 Qh4 35.Kg2 Qg4 36.Kf1-+) 34.Kg2 (34.Kh1 fg4 35.Bd1 gh3-+) 34...fg4 (worse 34...Qd5 35.Bb3 Qe5 36.gf5 gf5 37.Be6-+) 35.Ne6 (35.hg4 Nf6 36.Kh3-+) 35…Qb2 (35...Qb2 36.Nc7 Rc7-+) 0-1. freesvetoslav (2180) - Twix (2155), Rated Blitz tournament vuuMboGk, lichess.org, 2016.

6.Nf3 Nbd7

7.Qa4 c6 8.d3 Be7 9.0-0-0 (9.Ng5 Bf7=) 9...Qb6 10.Be2 (10.Ng5!? Bg8 11.d4+=) 10...Ng4–/+ 11.Rhf1? (11.Rdf1–/+) 11...0-0?? (11...Nf2 12.c5 dc5 13.Rf2 cb4 14.d4–+) 12.h3?? (12.Qa5 Qa5 13.ba5 Bd8=) 12...Ngf6?? (better is 12...Nf2 13.c5 dc5 14.Rf2 cb4–+) 13.Ng5= Bf7 14.Nf7 Rf7 15.g4 fg4 16.hg4 Ne8 17.Qb3 Bg5 18.Kb1 c5? 19.a3 cb4 20.ab4 Nc7 21.Na4 Qc6+= 22.e4 Ne6–/+ 23.b5 Qc7 24.Qc2 Raf8 25.d4 Rf2 26.de5? de5 27.Rh1? Nf4–+ 28.Rhe1 Ng2 29.Ba3 Ne1 30.Re1 Rd8 31.c5 Nf6 32.Bc4 Kh8 33.Qf2 Qa5 34.c6 bc6 35.bc6 Rb8?? 36.Ka1?? Qa4–+ 37.Rb1 Qa3 38.Qa2 Rb1 39.Kb1 Qc1 0–1. Francois,Robert – Cornaton,Antoine (1870), FRA–chT2 East, 2009.

7.d4 e4 8.Nd2 (8.d5!? Bf7 9.Nd4+=) 8...d5= 9.a3 c6 10.Rc1 Bd6 11.h3 0-0 12.Be2 Be7 13.g3 a5 14.b5 dc4 15.Nc4 cb5 16.Nb5 Nb6 17.Nb6 Qb6 18.Qa4 Rac8 19.0-0 Nd5 20.Rc8 Rc8 21.Bc4 Bf7 22.Rc1 Nc7?? (better is 22...Kh8+=) 23.Bf7+/- Kf7 24.Qc4 Ne6 25.Qc8 Qb5 26.Rc2 a4 27.Qc4 Qc4 28.Rc4 b5 29.Rc6 b4? (better is 29...Ng5+/-) 30.ab4+- Bb4 31.Ra6 a3 32.Ba3 Ba3 33.Ra3 Ke7 34.Ra5 g6 35.Kg2 h6 36.g4 f4 (36...fg4 37.hg4 Kf6 38.f4 ef3 39.Kf3 Ng5 40.Rg5 Kg5 41.e4+-) 37.d5 (37.Re5 Kd6+-) 37...f3 (37...Nc7 38.ef4 Kd6+-) 38.Kg3 Nc7 39.Kf4 1–0. vihavald (1690) – 2001patryk (1685), internet, 2013.

7.d4 Ne4 8.de5 Nc3 9.Bc3 de5 10.c5 Be7 11.Bb5 c6= 12.Ba4 Bf6 13.Qd6 Qe7 14.Qc7 e4 15.Bf6 gf6 16.Nd4 Ne5+= 17.Ne6 Qe6 18.0-0 Qe7= 19.Qe7 Ke7 20.Rfc1 Rhd8 21.b5 Rd2 22.bc6 bc6=+ 23.Rab1 Rad8 24.Rb7 R8d7 25.Rd7 Kd7 26.Rd1 Rd1=+ 27.Bd1 Nd3 28.Bc2 Nc5 29.f3 Kd6 30.Kf2 Nd3 31.Ke2 Nc1 32.Kd2 Na2 33.fe4 Nb4 34.Bb1 fe4 35.Be4 h6 36.Kc3 Nd5 37.Kd4 c5 38.Kd3 Ke5 39.Bh7 a5 40.g3 a4 (40...a4 41.Bg6 a3–+) 0–1. Melich,Jindrich – Alber,Horst (2360), Praha Mladi, 1989.

6.Nf3 Be7

7.d4 0-0 8.Ng5 Qc8 9.Be2 Kh8 10.Ne6 Qe6 11.0-0 Nbd7 12.Qc2 Nb6 13.d5 Qc8 14.a3 c6 15.dc6 Qc6 16.c5 dc5 17.bc5 (worse is 17.Qf5 cb4 18.ab4 Nfd5+=) 17...Qc5 18.Qf5 Nfd5 19.Qe6 (19.Qe5? Bf6 20.Ne4 Be5 21.Nc5 Bb2–+) 19...Nc3 20.Bc3 Qc3 21.Qe7 Nd5 22.Rac1 Qb2 23.Qc5 Rad8 24.Rc2 Qb3 25.Rd1 Nf6 26.h3 a6 27.Rd3 Qb1 28.Kh2 Rde8 29.Qc7 Rf7 30.Qc4 Rfe7 31.Rd6 Qe1 32.Rcd2 Qb1 33.Bd3 Qa1 34.Qc5 Nd7 35.Qb4 e4 36.Ba6 Qe5 (36...ba6 37.Rd7 Combination) 37.Kg1 ba6 38.Rd7 Rd7 39.Rd7 Qa1 40.Kh2 Qe5 41.g3 Qf5 42.Rd2 h6 43.Qd6 Re6 44.Qf4 Qa5 45.Qf8 Kh7 46.Rd8 Qe5 47.Qg8 Kg6 48.h4 Rf6 49.Kg2 Qe6 50.h5! Kh5 51.Qg7 Rg6 52.Qd4 Rf6 53.Rd5 Kg6 54.Re5 (54.Re5 Qg4 55.Qe4 Qe4 56.Re4+-) 1–0. Degterev,Pavel (2240) – Waerstad,Leif Edvin (1870), BI–2011–P–00013, 2011.

7.d4 e4 8.Ng5 Bg8 9.Be2 h6 10.Nh3 g5 11.f3 ef3= 12.Bf3 Nc6 13.Qa4 Qd7 14.Bc6 Qc6 15.d5 Qa4 16.Na4 b5 17.cb5 Bd5=+ 18.0-0 Be6 19.g4 Rf8 20.gf5 Bc4 21.Rfe1 Bb5 22.Nc3 Bc6 23.e4 Rb8=+ 24.Ba3 Ng4 25.Rac1 Ne5 26.Red1 g4 27.Nf2 Bg5 28.Rc2 a6 29.Re2 h5 30.Nd3 Nf3 31.Kf1 Nd4 32.Rg2 Bf6 33.Rc1 Kd7 34.Rf2 Rbe8 35.Nf4 Bh4 36.Rd2 Nf3 37.Re2 Bg5 38.Ne6 Bc1?? 39.Nf8=+ Rf8 40.Bc1 Nd4 41.Rd2 Nf3 42.Re2 Ne5 43.a3 Re8 44.Kg2= Nd3 45.Bd2 h4 46.Re3 Ne5 47.Be1 Nf3 48.h3 Ne1 49.Re1 g3 50.Kf3 Rg8 51.Re2 Ke7 52.Rc2 Kf6 53.Ne2 Be8 54.Nf4= c6 55.Ng2 Kg5 56.Rd2 d5!–/+ 57.ed5 cd5 58.Rd4? Bh5–+ 59.Ke3 Re8 60.Kd3 Bf3 61.Ne3 Be4 62.Ke2 Kf4 63.Nd5–/+ Ke5?? 64.Re4!+- Ke4 65.Nf6 Kf5 66.Ne8 Kf4 67.a4 Ke4 68.Nc7 1–0. Vasut,Karel (2135) – Cetkovsky,Petr (2140), CZE–chT2d, 2005.

5.Nc3 Be7

6.Qb3 Nc6 7.b5 Na5 8.Qa4 =+.

6.Rc1 0-0 7.Nf3 Nbd7 8.Be2 c5 9.a3 a5 10.b5 e4 11.Ng5 Nb6 12.0-0 h6 13.Nh3 d5 14.Nd5 Nfd5 15.cd5 Nd5 16.Bc4 Be6 17.a4 b6 18.Qb3 Qd7 19.Rfd1 f4 20.ef4 Bh3 21.Bd5 Kh8 22.gh3 Rad8 23.Be6 Qd6 24.Qg3 Bf6 25.Bf6 Rf6 26.f5 1-0. miguelhermoz (2035) - Emapizza (2235), Rated Classical game, lichess.org, 2016.

6.d3 0-0 7.Nf3 c6 (7...f4 8.ef4 ef4 9.Qd2=) 8.Be2= Kh8 (8...e4 9.Nd2=) 9.0-0 Be6 10.Rc1 Nbd7 11.d4 (11.Ng5 Bg8=) 11...e4 (11...Ne4 12.Qd3=) 12.Nd2 (12.Ng5 Bg8=) 12...d5 13.cd5 (13.a3 Qc7=) 13...Bd5 (13...Nd5 14.a3=+) 14.b5 (14.Nd5 Nd5 15.b5 cb5=) 14...Bd6 (14...cb5 15.Nd5 Nd5 16.Qb3=) 15.bc6 bc6 16.g3 (16.Qc2 Rb8=) 16...Qe7 (16...Rb8 17.Qc2=) 17.Nc4 Bb4 (17...Rab8 18.Nd6 Rb2 A) < 19.Nd5 Nd5 (19...Qd6?! 20.Nf6 Nf6 21.Rc2=) 20.Nc4 Ra2–/+; B) 19.Nf5=) 18.Nd5 cd5 19.Ne5 Bd6 (19...Rfc8 20.Qa4 Nb6 21.Qb5=) 20.Nc6 Qe6 21.Qb3 g5 22.Ba3 f4 23.Bd6 Qd6 24.Qb4 Qe6 25.Rfd1 Qh3 26.Bf1 Qh6 27.Ne5?? Ne5–/+ 28.de5 Ng4 29.h3 fg3 30.Qd4?? gf2 31.Kg2 Rf3 32.hg4 Qh3# 0–1. Nieto,Emanuel – Gulbas,Cemil (2170), BEL–chA U20 Vielsalm, 1997.

6.Bd3 Be6 7.e4 f4 8.Nd5 Bd5 9.ed5 0-0 10.Nh3 h6 11.Qe2 Qe8 12.0-0+= Qf7 13.Rfe1 g5 14.f3 Nbd7 15.Bc2 Qg7 16.d4 Rae8 17.de5 de5 18.Qd2 Kh8 19.c5 c6 20.d6 Bd8 21.Nf2 g4 22.fg4 Ng4 23.Rad1 Bh4= 24.Ng4 Be1 25.Re1 Qg4 26.Bd1 Qg5 27.a4 h5 28.Qf2 h4 29.Kh1 Rf6 30.b5 Ref8 31.h3 Rg6 32.Bg4+- Nf6?? 33.Be5 Kh7 34.Bf6 Rff6?? 35.Re7 Kh6 36.Rb7 Qd5 37.Qh4 (37.Qh4 Qh5 38.Qh5) 1–0. ISickboyI – sandtheory, ChessWorld.net, 2005.

6.d4 c6 7.Be2 0-0 8.Nh3 Qe8 9.0-0 Qg6 10.de5 de5 11.c5 f4 12.Bd3 Qh6 13.Qb3 Kh8 14.ef4 Bh3 15.gh3 Qh3 16.Qc2? (16.f3!? Nfd7 17.fe5 Ne5 18.Be2+=) 16...Ng4 17.f3 Ne3 18.Qf2 Nf1 19.Bf1 Qh5 20.fe5 Rf3 (20...Nd7!? 21.Ne4 Ne5 22.Be5 Qe5 23.Re1–+) 21.Qd4 Na6 22.Be2 (22.Bg2 Raf8 23.Ne4 Qg4–+) 22...Qg6 (better is 22...Qg5 23.Kh1 Rf4–+) 23.Kh1–/+ Rff8 24.Ba6 ba6 25.Rg1 Qe6 26.Ne4 Rf3 27.Nd2–/+ Rf7 28.Qc4 Qc4 29.Nc4 Rg8 30.Na5 Rf2 31.Bd4 Ra2 32.Nc6 Bh4 33.e6 Bf2?? 34.Rg2+- Bd4? 35.Ra2 Bf6 36.Ra6 1–0. Strand,Torger – Blauhut,Holger, corr SOK–90–58, 1991.

6.Nd5 Nd5 7.cd5 0-0 8.d4 e4 9.b5 (9.Ne2 Bg5=) 9...Nd7 10.Be2 (10.Nh3 Nb6 11.Rc1 Bf6=) 10...Nf6 (10...Nb6!?+=) 11.Qb3 Kh8 12.Nh3 h6 13.Nf4 Qe8 14.Rc1 Bd8 15.0-0 Qf7 16.Ne6 Re8 17.Qc4 (better is 17.Bc4!?+/-) 17...Be6 18.de6 Qe6 19.d5 (19.Qe6 Re6 20.d5 Nd5+=) 19...Qd5 20.Bf6 Qc4 21.Bg7 Kg7 22.Bc4 Rc8 (22...a6 23.ba6 ba6 24.Rfd1–/+) 23.Bd5 b6 (23...Rb8 24.Rfd1+=) 24.Rc3 Re5 25.Bc6 Re7 (25...Rc5!? 26.Ra3 a5+=) 26.Ra3+= a5?? (better is 26...Kg6+=) 27.ba6+- Re5 (27...f4 28.a7 f3 29.Bb7+-) 28.a7 (better is 28.Bb7 Re8 29.Bc8+-) 28...Ra5 (28...Bf6+-) 29.Ra5 ba5 30.a8Q (better is 30.Bb7 f4 31.Bc8+-) 30...Ra8 31.Ba8 c5 32.Rb1 Kf6 33.Kf1 Ke6 34.Ke2 Bf6 35.a4 Bc3 36.Rd1 Bb4 37.Bd5 Ke5 38.f4 ef3 39.gf3 h5 40.h3 h4 41.f4 Kf6 42.Kd3 Ba3 43.Kc4 Bb4 44.Bf3 Ke7 45.Rd5 Ke6 46.Rd3 Ke7 47.Kd5 Be1 48.Bh5 1–0. typ48 – bartola11, internet, 2013.

6.Nge2 Be6 7.d3 0-0 8.Ng3 c6 9.Be2 Nbd7 10.0-0=+ Qe8 11.f4= ef4 12.ef4 Ng4 13.Bg4+/- fg4 14.f5 Bf7 15.Qg4 Ne5 16.Qe2 Qd8 17.Nce4 Qc7 18.f6 gf6 19.Nf6 Kh8?? 20.Nfe4 Bg6 21.d4 Nf7 22.c5 d5+/- 23.Nd2 Rae8 24.Rae1+/- Qd7 25.Nf3 Bf6 26.Ne5 Be5 27.de5+- Qe6 28.Rf6 Qc8?? 29.e6 Qd8 30.Rf7 Kg8 31.Rg7 Kh8+- 32.Rg6 (32.Rg6 Qf6 33.Rf6 d4 34.Bd4 Rf6 35.Bf6 Kg8 36.Qg4 Kf8 37.Qg7#) 1–0. Fredek (2065) – Guest1278389, Freundschaftspartie, 5m + 0s, 2006.

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Nc3).

6.g3 0-0 7.Bg2 c6 8.Qb3 e4 9.Nge2 Nbd7 10.Nf4 Ne5 11.0-0 g5 12.c5= Kg7 13.Ne6–/+ Be6 14.Qe6 Qd7 15.Qd7= Nfd7 16.cd6 Bd6=+ 17.b5 g4 18.bc6 bc6 19.Ne2 Kg8 20.Bc3 Nd3 21.Rfb1 Rf7 22.Bf1 Be5 23.Be5 N7e5–/+ 24.Nf4 Nf3–+ 25.Kg2 Nf4 26.gf4 Nd2 27.Rb2 Nf1 28.Rf1 c5 29.Rc1 Rc7 30.Rb5 Rac8 31.Rc4 Kf7 32.Ra5 Ke6 33.a4 Kd6 34.Ra6 Kd5 35.Rc1 Rf8 36.Ra5 Rb8 37.Rd1 Kc4 38.Rc1 Kb4 39.Ra6 Ka3 40.Rd6 Rb2 (40...Rb2 41.Rd5 Ka4 42.Rdc5 Rc5 43.Rc5 Rb5–+; 40...c4!? 41.Ra1 Kb2 42.Rdd1–+) 0–1. Esteban,Amalia G (1705) – Coder,Thorsten (1700), CB–01.05 TSC, 2003.

6.a3 0-0!

7.Nf3 b6 8.Be2 Bb7 9.0-0! a6 10.d4 e4 11.Nd2 Qe8 12.g3 Qg6 13.Rc1 Nbd7 14.Qb3 Kh8 15.Nd5 Nd5 16.cd5 Rac8 17.Rc2 Nf6 18.Rfc1 Bd5 19.Bc4 Bc4 20.Nc4 Qf7 21.Nd2 Qb3 22.Nb3 c5 23.dc5 dc5 24.bc5 b5 25.Nd4 Ng4 26.Ne6 Rg8 27.h3 Nf6 28.Rd2 Bd8 29.c6 Ba5 30.Rdd1 Rge8 31.Nf4 b4 32.Bf6 gf6 33.ab4 Bb4 34.Nd5 Ba3 35.Nf6 Bc1 36.Ne8 Rc6 37.Rd8 Rc2 38.Nd6 Kg7 39.Nf5 Kg6 40.Nd4 1–0. vihavald (1680) – roman78k, internet, 2013.

7.Nf3 c6 8.Be2 Qc7 9.Rc1 a6 10.b5 ab5 11.cb5 c5 12.0-0! b6 13.d4 e4 14.Nd2 cd4 15.Nd5 Qd8 16.Ne7 Qe7 17.Bd4 Nbd7 18.Bc4 Kh8 19.Qb3 Nc5 20.Bc5 dc5 21.Rfd1 Bb7 22.Nf1 Rfd8 23.Ng3 g6 24.h3 Rd1 25.Rd1 Rd8 26.Ne2 Rd1 27.Qd1 Qd7 28.Qa1 Kg7 29.Nf4 h6 30.Ne6 Kf7 31.Nc5 1–0. vihavald (1675) – azatied (1645), internet, 2014.

6.Qb3 0-0

7.Be2 Kh8 (7...a5 8.b5=) 8.Nf3= Be6 (8...e4 9.Ng5+=) 9.Ng5 (9.d4 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 c6+=) 9...Bg8 10.h4 (10.0-0 d5 11.d3 a5+=) 10...Nbd7= 11.a4 (11.0-0 h6 12.Nf3 Ng4=) 11...a5 12.d4 White plans c5 (12.ba5!? Nc5 13.Qc2=+) 12...ab4-/+ 13.Qb4 d5 Black prepares e4 14.c5 (14.Qb3 ed4 15.ed4 Nb6-/+) 14...e4 (better 14...ed4!? 15.Qd4 Nc5-+) 15.Qb3 (15.a5 b6 16.a6 bc5=+) 15...Bc5 (15...c6 16.0-0=+ (16.Qb7? Rb8 17.Qc6 Rb2-+)) 16.dc5= d4 17.Bc4?? (better 17.Qb5 dc3 18.Bc3=) 17...Nc5-+ (17...dc3?! 18.Qc3 (18.Bc3? Nc5 19.Qb5 Bc4 20.Qc4 Nd3 21.Kf1 Qd5 22.Qd5 Nd5-+) 18...Nc5 19.0-0 Bc4 20.Qc4=+) 18.Qb4 dc3 19.Bc3 Nd3 (19...Bc4 20.Qc4 Nd3 21.Kf1-+) 20.Bd3 Qd3 21.Qd4 Qd4 22.Bd4 h6 (22...b6 23.0-0-/+) 23.Nh3 Bc4 24.Nf4 Kg8 (24...Rfd8 25.a5 Bf7 26.Bf6 gf6 27.0-0-/+) 25.Kd2=+ Rfd8 (25...Ba6 26.Rhc1 c6 27.Rab1=+) 26.Kc3 (better 26.Rhc1!? b5 27.ab5 Ra1 28.Ra1 Bb5 29.Rc1=) 26...Bf7-/+ 27.Bf6 gf6 28.a5 Kf8 (28...Ra6!? 29.Rhc1 b6-/+) 29.Rhb1=+ Ra7 (29...Ra6 30.Rb7 Rc6 31.Kb4=) 30.Rb5= Rd6 31.Rf5 Rc6 32.Kb2 Ke7 33.Rb5 b6 34.ab6 Ra1 35.b7?? (better 35.Ka1 Rb6 36.Ra5=) 35...Ra2-+ 36.Kb1 Rf2 37.b8Q (37.Ng6 Kd6 38.b8Q Ba2 39.Ka1 Rc1 40.Rb1 Rb1 41.Qb1 Bb1 42.Kb1 Rg2 43.h5-+) 37...Rf1 (better 37...Ba2 38.Ka1 Rc1 39.Rb1 Rb1 (39...Bb1?! 40.Ng6 Kd7 41.Qb5 c6 42.Qb7 Kd6 43.Qb4 Ke6 44.Qb3 Kf5 45.Ne7 Kg4 46.Qg8 Kh4 47.Ng6 Kg3 48.Ne5 Kh2 49.Ng4 Kg1 50.Nf2 Bd3 51.Kb2 Rc2 52.Ka3 Kf2 53.Qf8=+) 40.Qb1 Bb1 41.Kb1 Rf4 42.ef4 f5-+) 38.Kb2= Rf2 39.Ka3?? (39.Kb1 Ba2 40.Ka1 Rc1 41.Rb1 Rb1 42.Qb1 Bb1 43.Nh3-+) 39...Ra2 (better 39...Rc3 40.Rb3 Rb3 41.Qb3 Bb3 42.Kb3 Rf4 43.ef4 f5-+) 40.Kb4 Rc4 41.Kb3 Rcc2 42.Kb4 Rc4 (better 42...c5 43.Rc5 Rcb2 44.Kc3 Rb8 45.Rc7 Ke8-+) 43.Kb3-/+ Rcc2 44.Kb4 Rc4 ½-½. carlos78 (2245) - ZugAddict (2145), Rated Blitz game, lichess.org, 2015.

7.Nf3 Kh8 8.d3 c6 (8...a5 9.a3=+) 9.Be2+= Be6 (9...a5 10.b5+=) 10.0-0 Nbd7 11.a4 (11.d4 Ne4+=) 11...a5 12.b5 Nc5 (12...Qe8 13.Ba3+=) 13.Qc2+= Qd7 14.Ng5 Bg8 15.f4 (15.d4 Ne6 16.Ne6 Be6+=) 15...h6= 16.Nf3 (16.d4 hg5 17.dc5 gf4 18.ef4 e4=+) 16...ef4 (16...Ng4 17.Nd1 e4 18.de4 Ne4 19.Nd2 Nd2 20.Qd2=) 17.ef4 Ne6 18.g3 d5 (18...Bd8 19.d4 Bb6=) 19.Rfe1 (19.Ne5!? Bc5 20.Kg2+=) 19...Bc5 (19...Ng4 20.h3 Bc5 21.Kh1+=) 20.Kg2 Nd4 (20...Ng4 21.Nd1=) 21.Nd4 Bd4 22.Rad1 (22.Nd1 Bb2 23.Qb2 Rfe8=) 22...Rad8 (22...Rfe8 23.Nb1 Bb2 24.Qb2 cb5 25.Qb5 Qb5 26.cb5=) 23.Bf3 (23.Nb1 Bb2 24.Qb2 Rfe8=) 23...Rfe8 (23...Ng4 24.bc6 bc6 25.cd5 cd5 26.Bg4 fg4=) 24.Ne2 (24.bc6!? bc6 25.cd5 Nd5 26.Nd5 Bd5 27.Bd4 Bf3 28.Kf3 Qd5 29.Kf2 Qd4 30.Kg2 Qd5 31.Kh3=) 24...Bb2=+ 25.Qb2 (25.bc6 bc6 26.Qb2 Ng4 27.Bg4 fg4–/+) 25...Ng4 26.Bg4 fg4 27.Nc3? (better 27.c5!? d4 28.Kg1–/+) 27...Re1–+ (27...dc4 28.dc4 Re1 29.Rd7 Rd7 30.Qf2–+) 28.Re1 dc4 29.dc4 Bc4 30.Rd1 (30.bc6 Qc6 31.Kg1 Ba6–+) 30...Qe7 (30...Qe8 31.Rd8 Qd8 32.bc6–+) 31.Rd8 Qd8 32.bc6 bc6 (32...Qd3 33.Qc1 bc6 34.Qe1–+) 33.h3 gh3 34.Kh3 Qd4 35.Kg2 (35.Kg4 Qe3 36.Kh3 Kh7–+) 35...c5 36.Qb8 Kh7 37.Qb1 Bd3 38.Qe1 c4 (38...Bf5 39.Kf3–+) 39.Nb5 (39.Kf3 Bf5–+) 39...Qd5 (39...Be4 40.Kf1 Qd3 41.Qe2 Qb1 42.Kf2–+) 40.Kf2–/+ Qc5 41.Kg2 (41.Kf3 Qh5 42.Kf2 Qh3–/+) 41...Bf5–+ 42.Nc3 (42.Kf3 Qd5 43.Kf2 Bg4–+) 42...Bd7 43.Qb1 (43.Qe4 Kg8 44.Kf1 Kf7–+) 43...Kg8 44.Qb8 Kf7 45.Qb2 (45.Qb7 Qd6–+) 45...Bc6 46.Kh2 (46.Kf1–+) 46...Qh5 47.Kg1 Qh1 (47...Qh1 48.Kf2 Qg2 49.Ke3 Qb2–+) 0–1. Humeau,Cyril (2145) – Bologan,Viktor (2665), Calvi m blitz, 2008.

7.Nf3 Kh8 8.Ng5 Qe8 9.h4 h6 10.Nf3 Nc6 (10...a5 11.b5=+) 11.Nd5= Bd8 12.a3 Be6 13.Be2 (13.d4 ed4 14.Nd4 Nd4 15.Bd4 c6=) 13...Ne7 (better 13...Bd5!? 14.cd5 Ne7-/+) 14.Nf6+= Rf6 15.d4 e4 16.Ng5 (16.d5 ef3 17.Bf6 gf6 18.Bf3+= (worse 18.de6 fe2 19.c5 Qg8=+; worse 18.gf3 Bf7+=)) 16...Bg8 (16...Bd7!?+=) 17.d5+/- Rf8? (better 17...Rg6 18.Nh3 Rg2+/-) 18.Qc3+- Qg6 19.Nh3?? (better 19.Bh5! Nd5 20.cd5+- (20.Bg6?! Nc3 21.Bc3 Bf6+-)) 19...Nc8 (19...Qg2?? 20.Ng5 Rf7 21.Rh2 hg5 22.Rg2+-) 20.Nf4 Qf6?? (better 20...Qh7+/-) 21.Qc2+- Qe7 (21...Bf7 22.Bf6 Bf6 23.Rb1+-) 22.Ng6 (22.Ng6 Kh7 23.Ne7 Ne7 24.g4+-) 1-0. carlos78 (2290) - Elwe (2155), Rated Blitz game, lichess.org, 2016.

6.Qb3 Be6

7.d4 ed4 8.ed4 d5 9.Nf3 c6 10.c5 0-0 11.Bd3 f4 12.Qc2 +=.

7.d4 Nbd7 8.Nf3 e4 9.Ng5 Bg8 10.Be2 h6 11.Nh3 Bf7 12.a4 Nf8 13.Qc2 g5 14.d5 Ng6 15.g3 Ne5 16.Ng1 Bh5=+ 17.Bh5 Nh5 18.Ne4 fe4–/+ 19.Qe4 Nf6 20.Qc2 Qd7 21.f4 Nf7 22.0-0-0 0-0-0 (22...0-0-0 23.Qg6 Rhf8 24.Bf6 Bf6 25.Qf6 Qa4+=). Zhukov,Yuri – Kupin,Vladimir (2005), Doroshkevich Mem, 2007.

7.Nf3 Qd7 8.Ng5 Bg8 9.Be2 h6 10.Nf3 Be6 11.d4+= e4 12.Nd2 0-0 13.d5 Bf7 14.Nb5 a6 15.Nd4+= c6 16.dc6 Nc6 17.Rc1 Rac8 18.Nc6 bc6= 19.0-0 d5 20.Rfd1 Rb8 21.a3 c5 22.cd5 cb4= 23.Be5 Bd5 24.Bc4+= Rbd8 25.ab4 Kh8 26.Ra1 Qb7 27.Bd4 Bb4 28.Bd5 Nd5=+ 29.Nc4 Qc6 30.Ne5 Qe6 31.Rdc1 Rc8 32.h3 Kh7 33.Rc4 a5 34.Rac1 Ne7 35.Qa4 Rc4 36.Rc4 Rc8 37.Rc8 Qc8 38.Qb5 Qc1 39.Kh2 Qd2 40.f4 ef3 41.Nf3 Qe2?? 42.Qe5 (42…Bd6 43.Qd6+-; better is 42.Qe2 Bd6 43.Be5 Be5 44.Ne5 a4+-) 1–0. Pencis,A – Steck,K, Biel–op ATO, 1995.

7.Nf3 e4 8.Nd4 Bd7 9.Nd5 =.

6.d4 0-0

7.Be2 c6 8.Nf3 e4 9.Nd2 d5 10.Qb3 Kh8 11.a4 f4 12.ef4 Qd6 13.g3 Qb4=+ 14.Qc2 Qb6 15.0-0 Na6–/+ 16.Rfb1 Nb4 17.Qb3 a5 18.c5 Qd8 19.Ba3 Na6 20.Nf1 Nc7=+ 21.Qd1 Ne6 22.Bc1 Ng8 23.Be3 Nh6 24.Ra3 Qe8 25.f3 ef3 26.Bf3 Nf5 27.Bf2 Bf6 28.Ne2= Qg6 29.Rbb3 Qf7 30.Bg2 g6 31.h3 Rb8 32.Nh2 h5 33.Nf3+= Qg7 34.g4 Nh6+- 35.g5 Bd8 36.gh6 Qh6 37.Ne5 Bc7 38.Rg3 Be5 39.fe5 (39.fe5 b5 40.ab5 Rb5 41.Qd3+-) 1–0. Poley,V (2425) – Kosmo,S (2215), 33rd Rilton Cup Stockholm, 2003.

7.Nf3 e4=+ 8.Nd2 Qe8 9.Be2 b6 10.d5 Nbd7 11.Nb5+= Bd8 12.Nd4 Ne5 13.Qb3 Bd7 14.a4 Qg6= 15.g3 Nfg4 16.h3 Nf6 17.c5 bc5 18.bc5 Be7 19.c6 Bc8 20.a5 a6 21.Ra4 Nh5 22.Nf1 Re8 23.Ne6 Be6=+ 24.de6 Rab8 25.Qc2 Nc6?? 26.Rc4?? Nb4–/+ 27.Rb4 Rb4 28.Bh5 Qh5–+ 29.Qc3 Rb2! 30.Qb2 Qg6 31.Qb7 Qe6 32.Qa6 Qd5 (32...Qd5 33.Nd2 Ra8–+) 0–1. Wise,TH – FNS, Mbro Ch, 1968.

7.de5 de5

8.c5 Qe8 (8...Be6!?=) 9.Nd5 Bd8 10.Bc4 Kh8 11.Nf3 c6 12.Nf6 Bf6 13.0-0 Be6 14.Be6 Qe6 15.Qd6 Will e5 fall? 15...Qd6 16.cd6 Nd7 17.e4 fe4 18.Nd2 e3 19.fe3 Bg5 (19...Nb6 20.Rad1=) 20.Rae1 a5 21.Rf8 Nf8 22.b5 Nd7 23.bc6 bc6 24.Nc4 e4 25.Bc3 Attacking the isolated pawn on a5 25...a4 26.Rb1 Rb8 27.Rb8 Nb8 28.Kf2 Kg8 29.Nd2 Nd7 30.Ne4 Bd8 31.Ke2 Kf7 32.Kd3 g6 33.Kc4 Ke6 34.Nc5 Kd6 35.Nb7 Kc7 36.Nd8 Kd8 37.Kb4 Nb6 38.Bd4 Kc7 (better is 38...Nd7+-) 39.Bb6 Kb6 40.Ka4 Kc5 41.Kb3 (41.Kb3 h6 42.a4+-) 1–0. poesimannen (1965) – thefiddler (1795), gameknot.com, 2013.

8.Qd8 Rd8 9.a3 b6 10.Nf3 (better is 10.Nb5!? Nc6 11.Nc7+/-) 10...e4= 11.Nd4 c5 12.Nc2 Be6 13.Be2 Nc6 14.Nb5 Rac8 (worse is 14...cb4 15.Nc7 Kf7 16.Na8 Ra8 17.Nd4=) 15.Rd1 (15.bc5 bc5 (worse is 15...Bc5 16.Ncd4 Bd4 17.ed4+=) 16.h3 Nd7–+) 15...Rd1 16.Bd1? (better is 16.Kd1!? cb4 17.ab4–/+) 16...a6 17.Nc3 Ne5 18.0-0 (18.Na4 Nd3 19.Kf1 Nd7 (19...Bc4?! 20.Bf6 Nc1 21.Kg1 Bf6 22.Nb6–+; worse is 19...Nb2 20.Nb2 Ne8 21.Be2–+) 20.bc5 Bc4–+ (worse is 20...N3c5 21.Nc5 bc5 22.Bc3–+; 20...Bc5?! 21.Nc5 bc5 22.Bc3–+; worse is 20...Nb2 21.Nb2 bc5 22.Be2–+)) 18...Bc4 (18...Nc4 19.Bc1–+) 19.Be2 (19.Ne4 Bf1 (worse is 19...fe4 20.Be5 cb4 21.Nb4–+) 20.Nf6 gf6 21.Kf1 Rd8–+) 19...Be2 (19...Nd3!? 20.Rb1–+) 20.Ne2 cb4 (20...Nd3!? 21.Bf6 Bf6 22.bc5 bc5 23.Rb1–+) 21.Nb4 Bb4 22.ab4 Nd3 23.Bf6 gf6 24.g3 (better is 24.Ng3 Nb4 25.Nf5–/+) 24...Nb4 25.Nd4 Rc5 26.Rb1 a5 27.h4 Kf7 28.Kg2 Kg6 29.Ne6 Rc2 30.Nf4 Kf7 31.Nh3 (31.Rd1 Ke7 32.h5–+) 31...a4 (better is 31...Nd5 32.Kf1 a4–+) 32.Rb4+/- a3 33.Rb6 1–0. tyop (1715) – elmirce, internet, 2013.

8.Qd8 Rd8 9.a3 c5 10.b5 =.

8.Qd8 Rd8 9.a3 c6 10.Be2 a5 11.b5 Bd7 12.Nf3 e4 13.Nd4 cb5 (13...c5 14.Nb3 Be6 15.Na4+=) 14.Ndb5 (14.cb5 Rc8+=) 14...Nc6 (14...Na6 15.Rd1=) 15.0-0 (15.Nd5 Ne8+=) 15...Ne5 (15...Kf7 16.f3 ef3 17.Rf3+=) 16.Nc7 (16.Ne4 Ne4 17.Be5 Bb5 18.cb5 Rd2 19.Bc4 Kh8+/-) 16...Rac8+= 17.N7d5 (17.Ne4 Nf3 18.gf3 fe4+=) 17...Nd5 18.Nd5 (worse is 18.cd5 Bf6–/+) 18...Bd6 The isolani on c4 becomes a target 19.Rac1 (19.Be5 Be5 20.Ne7 Kf8 21.Nc8 Ba1 22.Nd6+=) 19...Be6 (better is 19...Ng6=) 20.Be5+/- Be5 21.Ne7 Kf7 22.Nc8 Rc8 23.Rb1 Rc7 24.Rb5 Bc3 25.Rc1 Bc4?? (better is 25...Bd7 26.Rb6 Bf6+/-) 26.Rc3+- 1–0. tyop (1700) – ekdubov, internet, 2013.

8.Nf3 Nbd7 9.c5+= a5 (9...Ng4 10.h3 Nh6 11.Bc4 Kh8 12.Nd5+=) 10.a3 (10.Ng5 ab4 11.Bc4 Kh8 12.Ne6 bc3 13.Bc3=+ (worse 13.Nd8 cb2 14.Ne6 ba1R 15.Qa1 Bc5-+)) 10...ab4+= 11.ab4 Ra1 12.Qa1 c6 (12...e4 13.Ng5 Ne5 14.Nce4 Ne4 15.Ne4 Nd3 16.Bd3 Qd3 17.Nd2+=) 13.Bc4 Kh8 14.Ng5 Qe8 15.Ne6 Rg8 16.Nc7 Qg6? (better 16...Qd8 17.Bg8 Qc7+-) 17.g3?? (better 17.Bg8 Qg2 18.Rf1 Ng8 19.Qa8+-) 17...Rf8 18.Ne6 Re8 19.h4 (19.Nc7 Rd8 20.Ne6=) 19...Bd8 (19...Qg4 20.e4 Ne4 21.Be2-/+) 20.Qa2 (20.Ng5 Nd5 21.Nd5 cd5 22.Bd5 Bg5 23.hg5 Qg5+/-) 20...Nf8 (better 20...b5 21.Bb3 Qg4+=) 21.Ng5+- (21.Nd8?! Rd8 22.h5 Qe8= (22...Nh5? 23.Bf7 Qf6 24.Bh5+-)) 21...Nd5 22.Nd5 Bg5 (22...cd5 23.Bb5 Bd7 24.Bd7 Nd7 25.Qd5 Bg5 26.Qd7+-) 23.hg5 (23.Nc7!? Re7 24.hg5 Rc7 25.Be5 Rd7+-) 23...cd5+/- 24.Bd5 (24.Bb5 Bd7 25.Bd7 Nd7 26.Qd5 Qc6 27.Qc6 bc6+-) 24...Qg5 25.Bf7 (25.Qc4 Qe7+/-) 25...Be6 (25...Re7 26.Qd5 Qf6 27.Bh5+/-) 26.Be6+/- Re6 27.Qa8 (27.Qd5!? Qe7 28.Rh5+/-) 27...Qe7+= 28.0-0 f4 (28...Qf7 29.Rd1 Kg8 30.Rd8+/-) 29.ef4 (29.Qb8 b6+=) 29...ef4= 30.Bd4 h6 (better 30...Re4 31.Bc3 Kg8=) 31.g4 (31.Qb8!? Re4 32.Bc3=) 31...Kh7 (31...f3 32.c6 Rg6-+ (32...bc6?! 33.Bc5 Qe8 34.Qe8 Re8 35.Rd1=+; worse 32...Rc6 33.Bc5 Rc5 34.bc5+=)) 32.Qc8? (32.f3!?=+) 32...Ng6 (32...f3 33.Qb8 Re4-+) 33.f3 Re2 (33...Nh4 34.Bf2 Nf3 35.Kg2-+) 34.Qf5=+ Qh4 (better 34...Rd2 35.Bf2 Qe2-/+) 35.Rf2?? (35.Bf2!? Qh3 36.Qd3=) 35...Qg3 (35...Re1 36.Rf1 Qg3 37.Kh1 Rf1 38.Bg1 Qg1) 36.Kf1-/+ Rf2 37.Bf2 Qf3 38.g5 (38.b5 Qd1 39.Kg2 Qe2=+) 38...hg5 (38...h5!? 39.Ke1 Qc3 40.Kf1-/+) 39.Qg5-/+ Qh3 40.Ke1 (40.Kg1 Qd3-/+) 40...Qe6 (40...Qd3 41.Qh5 Kg8 42.Bg1-+) 41.Kf1-/+ Qe5 (41...Ne5 42.Qh5 (42.Qf4?? Qh3 43.Kg1 Nf3 44.Qf3 Qf3-+) 42...Kg8 43.Qe2-+) 42.Qe5 (42.Qg2 Qa1 43.Be1 Qa6 44.Kg1 Qe6=+) 42...Ne5 43.b5 g5 (better 43...Kg6-+) 44.Bd4= Nd7?? (better 44...Nc4 45.Ke2 Kg6=+) 45.c6+- bc6 46.bc6 Nb8 (46...Nf8 47.c7 Ne6 48.c8Q Nd4 49.Qd7 Kh6 50.Qd4+-) 47.c7 Nc6 48.c8Q (better 48.Bc5 Ne5+-) 48...Nd4 49.Qh3 Kg6 50.Qd7 Nf3 51.Kf2 (better 51.Qd3 Kf7 52.Qf3+-) 51...Nh4 52.Qe6 Kh5. zembelek (2025) - xmodey (2245), Rated Blitz game, lichess.org, 2014.

6.d4 ed4

7.ed4 0-0 8.Bd3 Nc6 9.d5 (9.b5 Nd4 10.Nf3 Ne6+=) 9...Nb4–/+ 10.Nf3 Nd3 11.Qd3 Ng4 12.0-0 Bf6 13.Rab1 f4 14.Ne2 Bb2 15.Rb2 Qf6 16.Qd4 b6 (16...Ne5!? 17.Ne5 de5–/+ (worse is 17...Qe5 18.Qe5 de5 19.Nc1=)) 17.Qf6+= Rf6 18.Ned4 a5 (18...Bf5 19.Re1+=) 19.Re1 Ba6 20.Nb5 (20.Rc2 Rf7=) 20...Bb5 21.cb5 (21.Rb5 Rf5+=) 21...Kf8 (better is 21...Rf5–/+) 22.h3 Nh6 23.Rc2 (23.Nd4 Rc8+=) 23...Rc8 (23...Rf5 24.Nd4 Rd5 25.Ne6 Kg8 26.Nc7=) 24.Nd4+= Rf7 25.g4 Ng8 (25...fg3!? 26.fg3 Nf5 27.Ne6 Kg8+=) 26.Ne6+/- Ke7? (26...Ke8 27.Rc4+/-) 27.Nf4 (better is 27.Ng5 Kf6 28.Nf7 Kf7 29.Rec1+-) 27...Kd7+= 28.Ne6 (28.Rc4 Ne7+=) 28...Nf6 29.f4 (29.Ng5!? Rff8 30.Rd1=) 29...Nd5+= 30.f5 Re7 31.Rec1 g6 32.Nd4 gf5 33.Nf5 Ne3?? (33...Re5 34.a4–/+) 34.Ne3?? (better is 34.Ne7 Nc2 35.Nc8+-) 34...Re3–/+ 35.Kg2 Re5 36.a4 Re4 37.Rc4 Rc4 38.Rc4 c6 39.bc6 Rc6 40.Rf4 Ke6 41.g5 d5 42.Kg3 Rc4 43.Rf6+= Ke5 44.Rb6 d4 45.Rb5 Ke4 46.Ra5? d3–+ 47.Ra7 d2 48.Re7 Kd3 49.Rh7 Rd4 50.g6 d1Q 51.g7 Qe1 52.Kh2 Qf2 53.Kh1 Ke3 54.g8Q Rd1 0–1. orangutandu – kszoostrowiec1, internet, 2013.

7.ed4 0-0 8.Nf3 =+.

7.Qd4 Nc6 8.Qd2 Nb4 –/+.

6.d4 e4

7.f3 0-0 8.f4 c6 9.Nge2 Ng4 10.Qd2 Bh4 11.Ng3 (11.g3 Bf6=) 11...Na6 (11...Nh2 12.Nce2 Nf1 13.Kf1–/+) 12.a3 (12.Nce2 Be6 13.d5 Bf7+=) 12...Be6 13.Be2 d5 14.cd5 cd5 15.Ba6 ba6 16.Na4?? (16.Nce2!?+=) 16...Bd7 (16...Nh2 17.Kf2 Ng4 18.Kg1 Bg3 19.Rf1–+) 17.Nc5?? (better is 17.Nc3–/+) 17...Qb6 (better is 17...Nh2 18.Kf2 Ng4 19.Kg1 Bg3–+) 18.Nd7+- Qb5 19.Nf8 Rf8 20.Rc1 Rd8?? 21.Rc5+- Qe8 22.Ke2 Qg6 23.Kd1 Nf6 24.Kc1 Bg3 25.hg3 Qg3 26.Kb1 h5 27.b5 ab5 28.Rb5 h4 29.Rb7 a5 30.Qa5 Rf8 31.Qc7 Qg2 32.Rh4 Ne8 33.Qe7 Qg3 34.Rh8! Kh8 35.Qf8 Kh7 36.Qe8 Qe3 37.Qh5 Kg8 38.Rb8 1–0. fjanusz52 – ger5, internet, 2013.

7.Nh3 0-0 8.Nf4 c6 (8...Nc6 9.b5 Nb4 10.a3 Nd3 11.Nd3 ed3 12.Bd3+/-) 9.Rb1 Na6 10.Qb3 Nc7 11.Be2 Ne6 12.Ne6 Be6 13.0-0 Qd7 (13...d5 14.f3=) 14.Rfc1 (better is 14.d5 Bf7 15.dc6 bc6 16.Rfd1=) 14...Ng4 (better is 14...b5!?=) 15.d5+/- Bf7 16.Bg4 fg4 17.Ne4 Bg6 18.Qd3 Bh4 19.Rf1 Qe7 20.f3 gf3 21.gf3 Rf3!? 22.Rf3 Be4 23.Qf1 Qg5 24.Qg2?? Bf3–+ 25.Qg5 Bg5 26.dc6 Be3 27.Kf1 bc6 28.Re1 Bg5 29.Bd4 Rf8 30.Kg1 Bf6 31.Bf6 Rf6 32.Re8 Kf7 33.Ra8 Be2 34.Ra7 Kg6 35.c5 dc5 36.bc5 Bb5 37.a4 Rf1 38.Kg2 Ra1 39.a5 Rc1 40.Ra8 Rc5 41.a6 Rc2 42.Kg3 Ra2 43.a7 Ra5 44.Kg2 Kg5 45.Kf3 Bc4 46.Ke4 h5 47.Kd4 Bd5 48.Kc3 Ra4 49.Kd3 g6 50.Ke3 (50.Kc3–+) 0–1. Lindberg – Bramfors, corr SSKK 2–790, 1996.

7.h4 0-0 8.Nh3 Be6 9.Nf4 Bf7 10.Be2 c6 11.a4 d5=+ 12.Qb3 Na6 13.c5= Nc7 14.Ba3 Qd7 15.b5 Ne6 16.Ne6 Be6 17.g3 Bd8 18.Bb4 g6 19.a5 a6 20.bc6 bc6 21.Na4 Ra7 22.Bd2 Ne8 23.Nb6 Qb7 24.0-0-0 Nc7 25.Rdf1 Nb5 26.f4 ef3 27.Rf3= Qg7 28.Bd3 Re8 29.h5 Bg5 30.hg6+= hg6 31.Qc2 Rae7= 32.g4 fg4 33.Rg3 Rf8 34.Bg6 Rf2–/+ 35.Qd3? Nd4!–+ 36.Rh7 Nb3!! 37.Qb3 Rf1 38.Be1 Qg6 39.Re7 Be7 40.Kd2 Bh4 41.Na4 Re1 42.Qb8 Kg7 43.Ke1 Bg3 44.Qg3 Qb1 45.Kf2 Qc2 46.Kg1 Qa4 47.Qe5 Kf7 48.Qh5 Ke7 49.Qh4= Kf7 50.Qh5 Kf6 51.Qh6 Kf5 52.Qh7 Ke5 53.Qh2 g3! 54.Qh8 Kf5 55.Qh5 Kf6 56.Qh6 Ke7 57.Qg7= Bf7 58.Qe5 Kf8 59.Qh8 Bg8 60.Qf6 Bf7 61.Qh8 ½–½. Dzieniszewski,Andrzej – Dobosz, Gdynia, 1986.

7.h4 0-0 8.Nh3 Qe8 9.g3 (9.Nf4 Bd7=) 9...c6 (9...Nc6 10.a3=+) 10.Bg2 (10.Nf4 Qd8=) 10...Na6 (10...d5 11.Qb3 dc4 12.Qc4 Kh8 13.Nf4=+) 11.a3 Nc7 12.0-0 (12.d5 a5=) 12...Bd7 13.Qb3 Kh8 14.Rad1 d5 15.cd5 Nfd5 16.a4 (better 16.Nd5!? Nd5 17.Nf4-/+) 16...Be6 17.Nd5 Nd5 (17...cd5?! 18.b5=) 18.Ba3 (18.Ng5 Bg8-+) 18...Nf4! 19.Qc2 (19.ef4 Bb3 Discovered attack; 19.gf4 Bb3 Discovered attack; 19.Nf4 g5 Double attack (19...Bb3 Discovered attack; 19...g5 Decoy)) 19...Nd3 20.Nf4 Nf4 (worse 20...Nb4 21.Qb1 Ba2 22.Qb2+/-) 21.ef4 Bd5 22.f3 Bf6 (22...ef3 23.Bf3 Bh4 24.Bd5 Qe3 25.Qf2 Qa3 26.Bf3-+) 23.Rfe1 (23.fe4 fe4 24.b5 Be7 25.Be7 Qe7 26.bc6 bc6=) 23...Qf7 (23...Qg6 24.fe4 Qg3 25.ed5 Bd4 26.Rd4 Qe1 27.Kh2 Qh4 28.Bh3-+) 24.Re3 (24.fe4 Bb3 25.Qd3 fe4 26.Be4 Bd1 27.Rd1 Rad8-/+) 24...Rad8 (24...ef3!? 25.Bf3 Rfe8 26.Bd5 Qd5-/+) 25.fe4=+ Be4 26.Be4 fe4 27.Re4 Qg6 Exerts pressure on the isolated pawn 28.Qg2 Rfe8 29.Re8 Qe8 (29...Re8 30.Qf2 Bh4 31.f5=+) 30.Bb2=+ Qe3 Increasing the pressure on the isolated pawn on d4 31.Kh2 Qb3 32.Ba1?? (better 32.Qd2=) 32...Qd1-+ 33.g4 (33.Qh1 Qd2 34.Kh3-+) 33...Bd4 34.g5 Ba1 35.f5 Rd2 (35...Be5 36.Qg3 Qf3 37.Qe5 Rd2 38.Qe2 Re2 39.Kg1 Qg2) 36.f6 (36.Qd2 Qd2 37.Kh3 Be5 38.f6 Qh2 39.Kg4 Qf4 40.Kh5 Qf3) 36...Rg2 (36...Be5 37.Kh3 Rd3 38.Qg3 Rg3 39.Kh2 Qg1) 37.Kg2 gf6 (37...gf6 38.Kf2 Bd4 39.Kg2 Qg4 40.Kh2 Be5 41.Kh1 Qh3 42.Kg1 Bd4; 37...Qe2 38.Kh3 Be5 39.fg7 Kg7 40.h5 Qf3 41.Kh4 Qg3) 0-1. zembelek (2195) - Thrylce (2195), Rated Blitz game, lichess.org, 2016.

6.Nd5 0-0

7.Ne7 Qe7 8.Be2 c6 9.Nf3 Nbd7 10.Qb3 Kh8 11.Rc1 e4 12.Ng5 Ne5 13.Be5 de5 14.c5 Nd5–/+ 15.Nh3 Be6 16.Bc4 f4–/+ 17.Bd5 cd5 18.Qb2 Bh3 19.gh3 Qh4 20.Qe5 fe3–+ 21.Qg3? ed2 22.Kd2 Rf2 23.Ke1 Qg3 24.hg3 Ra2 25.Rf1 d4 26.Rd1 d3 27.Rf2 Ra4 28.Rb1 h6 29.Rf7 Re8 30.Kd2 Ra2 31.Ke3 Re2 32.Kd4 d2 33.Rd1 e3 34.Kd3 Re1 35.Kc2 Rd1 36.Kd1 e2 37.Kd2 e1Q 38.Kd3 Rd8 (38...Rd8 39.Rd7 Rd7 40.Kc4 Qe6 41.Kc3 Qe3 42.Kc2 Rd2 43.Kb1 Qe1#; 38...Qe2 39.Kd4 Re4 40.Kc3 Re3 41.Kd4 Qd3#) 0–1. Andronache,Daniel – Burgess,Jon L (2150), Dos Hermanas Internet Section, 2003.

7.Ne7 Qe7 8.g3 c6 9.a3 b6 10.Bg2 Bb7 11.Qf3 g6 12.d4 a6 13.de5 de5 14.Rd1 Ra7=+ 15.Qe2 Nbd7 16.h4 e4 17.Nh3 Nh5 18.c5+= bc5 19.Qc4+- Qf7 20.Bf1 Ndf6 21.Qc5 Bc8?? 22.Ng5 Qe7 23.Bc4 Kg7 24.Qa5 Kh6 25.Ke2 Rd7 26.Rd7 Nd7? 27.Qc7 c5 28.Ne6 Re8 29.Bg7 Ng7 30.Qf4 Kh5 31.Ng7 Qg7 32.Qg5# 1–0. Gross – Stallun, Bad Homburg–NW Frankfurt, 1980.

6.Be2 0-0

7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Nf3 c6 (11...Nb6 12.Qa2 Be6 13.d4=) 12.0-0 d5 Black prepares e4 (12...Qe8!?=) 13.cd5+- cd5 14.Qa2 e4 15.Nd5 Nd5 16.Qd5 Kh8 17.Nd4 Nb6 (17...Nc5 18.Qd8 Rd8 19.Ba3+-) 18.Qa2 (18.Qd8 Rd8 19.Ra1 Nd5+-) 18...Bf6 19.g3 (19.d3 ed3 20.Bd3 f4+-) 19...Qd5 (19...f4 20.gf4 (20.ef4? Bd4 21.Rd1 Re8–+) 20...Nd5 21.Qa4+-) 20.Qa5 (20.Qd5 Nd5 21.d3 Rd8+-) 20...Nc4 21.Qb4 Nd6 22.Rc1 h6 23.Bd1 Rd8 24.Bb3 Qe5 25.Rc7 (better 25.b6+-) 25...Ne8?? (25...Nb5 26.Rc5 Nd4 27.Re5 Nf3 28.Kg2 Ne5+-) 26.Qf8+- Kh7 27.Qg8 Kg6 28.Bf7 Kg5 29.Qh7 Kg4 (29...Qg3 30.fg3 Kg4 31.Qg6 Kh3 32.Qh5 Bh4 33.Qh4) 30.Qg6 (30.Qg6 Kh3 31.Qh5 Bh4 32.Qh4) 1–0. pcmvr – pushtiu, net–chess.com, 2018.

7.b5 c6 8.d4 Nbd7 9.Nf3 f4 10.ef4 ef4 11.0-0 d5 12.Re1 Bb4 13.Qb3 Bc3 14.Bc3 Nb6 15.Ba5 dc4 16.Bc4 Nfd5 (16...Kh8 17.bc6 bc6 18.Ne5+-) 17.Bb6 ab6 18.Ne5 Qd6 19.bc6 bc6 (19...Be6 20.cb7 Ra5+-) 20.Nc6! Rf5 (20...Qc6 21.Bd5 Double attack (21.Bd5 Decoy; 21.Bd5 Remove defender)) 21.Ne7 (21.Ne7 Kh8 22.Bd5+-) 1–0. pvanr (1975) – kriti (1845), gameknot.com, 2009.

7.d3 d5!? 8.Qb3 Be6 =.

7.d3 Qe8 8.b5 Qg6 9.g3 f4 10.Qd2 fe3=+ 11.fe3 Nbd7 12.Nf3 Nc5 13.e4 Ng4 14.Nd5 Bd8 15.Rf1? Be6 16.Nc3? Nh2!–+ 17.Nh2 Qg3 18.Kd1 Qh2 19.Rf8 Kf8 20.Kc2 Kg8 21.Rf1 Bh3 22.Rd1 Ne6 23.Nd5 Bg5 24.Qe1 Rf8 25.Kb1 Rf2 26.Nc3 Bf1! 27.Qf1 Rf1 28.Rf1 Nf4 29.Bg4 Qg2 30.Rf4 Bf4 (30...Bf4 31.Be2 g5–+) 0–1. Holz auf der Heide – Ermitsch, Leipzig, 1999.

7.d3 Ng4 8.Nf3= Be6 9.h3 Nh6 10.0-0 Nd7 11.Nd5 Bd5 12.cd5 g5 13.Nh2 Nf6 14.Qb3 Qe8 15.Rac1 Rc8 16.Qa3 (16.Nf3 g4 17.Ne5 gh3=) 16...a6 17.d4 e4 18.Bc4 f4 19.ef4 gf4 20.f3 e3 21.Qd3 Qh5 Attacks the isolani on d5 22.Ng4 Nfg4 (22...Nf7!?+=) 23.fg4= Qg5 (23...Qg6 24.Qe2=) 24.Rce1 (24.Qe4!?+=) 24...Rce8 25.Bc1 Bd8 26.Rf3 Qh4 27.Kf1?? (better is 27.Re2=) 27...Ng4!–+ 28.hg4 (28.Ke2 Nh2 29.Kd1 Nf3 30.gf3 Qh3–+) 28...Qh1 (better is 28...e2 29.Kg1 Qe1 30.Kh2 Qc1 31.Qe2 Re2 32.Be2 Qe1–+) 29.Ke2 Qg2 30.Kd1 Qf3 31.Kc2 Qe4 (31...Qg4 32.b5–+) 32.Qe4 Re4 33.Rh1 (33.Kd3 Rfe8 34.Ke2 Rd4–+) 33...Rd4 (better is 33...e2!? 34.Bf4 e1R 35.Re1 Re1 36.Kd2–+) 34.Bd3 Rd3! 35.Kd3 Bf6 36.Be3 fe3 37.Ke3 Bg5 38.Ke2 Kg7 39.Rh5 Kg6 40.Rh3 Rf4 41.a3 Rg4 42.Rc3 Rg2 43.Kf1 Ra2 44.Rc7 Ra3 45.Rb7 Rd3 46.Rb6 Rd5 47.Ra6 Bf4 48.Rb6 Be5 49.b5 h5 50.Rb8 h4 51.Rg8 Kf7 52.Rg4 Bg3 53.b6 Rb5 54.Kg2 Rb6 55.Re4 1–0. tyop (1720) – emiliux, internet, 2013.

7.Nf3 Nbd7 8.d4 e4 9.Nd2 (9.Ng5 Nb6=) 9...c6 (9...c5 10.a3=) 10.0-0 d5 (10...Nb6 11.f3 ef3 12.Nf3=) 11.c5 (11.Qb3 dc4 12.Qc4 Kh8=) 11...b5 (11...b6!?=) 12.a4+= ba4 13.Ra4 Bb7 (13...Qc7 14.b5+=) 14.Qa1 Qb8 15.Nb3 (15.Qa2 Bc8+=) 15...Ng4= 16.Bg4 fg4 17.Na5 Rf6 18.Qa2 (18.Rb1 Qc7=) 18...Rh6=+ 19.g3 a6 (better is 19...Nf6!?=+) 20.Ne4+= Kh8 (20...Re6 21.Nc3+=) 21.Nb7 Qb7 22.Nd2 Nf6 23.Ra1+/- Rf8 24.Ra6 Qb4 25.Ba3 Qb5+/- 26.Rb6 Qd3 27.Rab1 Nd7 28.R6b2 Rf2?? 29.Kf2+- Rh2 30.Kg1 Qe2 31.Nf1 (31…Rg2 32.Kh1 Rh2 33.Nh2 Qe3 34.Re2 Qg3 35.Re7+-) 1–0. Zylla,Johannes – Hanflandt, BS–MK Kreisliga, 1995.

7.Nf3 e4 8.Nd4 (8.Ng5 Nc6=) 8...Nc6 (8...c5!? 9.bc5 dc5=+) 9.Nc6= bc6 10.d4 (10.0-0 Be6=) 10...d5 (10...ed3 11.Qd3 Be6 12.0-0=) 11.a3 (11.Qa4 Be6+=) 11...Be6 12.Qc2 (12.Qa4 Qd7=) 12...Qd7 (12...dc4 13.Qa4=+) 13.Rc1 (13.c5 a5=) 13...Ne8 (better 13...dc4!? 14.Nb1 Nd5–/+) 14.b5 dc4 (14...Nf6 15.bc6 Qc6 16.Nd5 Nd5 17.cd5 Qd5 18.Qc7=) 15.bc6 Qd8 (15...Qd6 16.d5 Bf7 17.Bc4+=) 16.d5+- Bf7 (16...Bd5 17.Nd5 Combination) 17.Bc4 Nd6 18.Ba2 Rb8 19.Ne2 (19.0-0!?+-) 19...Bf6+= 20.Bf6 Qf6 (20...gf6? 21.Nd4+-) 21.Qc3 (21.Bb3+=) 21...Qg5? (21...Qc3!? 22.Nc3 Nb5 23.Nb5 Rb5+=) 22.0-0+- Qg4 (better 22...Qe7!?+-) 23.Nf4+- Bh5 (23...Rb6 24.Ne6 Rc8 25.Rb1+-) 24.Rb1 Rb6 (24...Rfc8 25.Qa5 Rb1 26.Rb1+- (26.Bb1?! Qg5+-)) 25.h3 (25.Qa5 Bf7+-) 25...Qh4 26.Rb6 ab6 27.g3 Qg5 28.Ne6 Qe7 29.Nf8 Kf8 (29...Qf8 30.a4+-) 30.Bb3 Nf7 (30...Kf7 31.a4+-) 31.Bd1 Bg6 (31...Bd1 32.Rd1 Nd6 33.a4+-) 32.Be2 Ke8 (32...h5 33.h4+-) 33.Rd1 (better 33.Qg7!? Qf8 34.Qd4 Qd6+-) 33...Nd6 (33...Qe5 34.Qe5 Ne5 35.d6+-) 34.Rd4 (34.a4 Kf8+-) 34...Qf6 35.Qc2 (35.a4 Bf7+-) 35...h5 36.h4 f4 (36...Bf7 37.Qd1 g6 38.Qd2+-) 37.ef4 (better 37.gf4 Qh4 38.Qd1+-) 37…Qd4–+ 0–1. Heinzel,Peter (2060) – Schimmer,Michael (1820), 6th Erfurt Germany, Open, 2016.

7.f4 ef4 8.ef4 d5 9.c5 a5 10.a3 Ne4 11.Nh3 (11.Nf3 Bh4 12.g3 Bf6+=) 11...b6 12.d4 ab4 13.ab4 Ra1 14.Qa1 Bf6 15.Ne4 fe4 16.Nf2 Nc6 17.b5 Nb4 18.0-0 Nc2 19.Qa4 Ne3 20.Rc1 g5 (20...bc5 21.Rc5 Bh4 22.g3=) 21.cb6 cb6 22.Ba3 (22.Qb3 gf4 23.Ne4 Be7=) 22...Rf7+= 23.Bh5 Rc7 (23...gf4 24.Ne4 de4 25.Qb3 Bd4 26.Qf7 (26.Bf7?! Kg7 27.Kh1 Ng4+=) 26...Kh8 27.Kh1+/-) 24.Ne4? (better is 24.fg5 Bg5 25.Rc6+=) 24...de4–+ 25.Qb3 Nc4! 26.Be2 (26.Rc4 Be6 Decoy) 26...Qd4 27.Kf1 Be6 (27...Be6 28.Bc4 Bc4 29.Rc4 Rc4 30.fg5 Qd5–+) 0–1. Kuehnemund,Lutz (1920) – Kachibadze,Georg (2220), Berlin Lichtenberger op 8th, 2009.

5.Nc3 g6

6.a3 Bg7= 7.Rc1 (7.Be2 0-0=) 7...Be6 (7...0-0 8.Be2=+) 8.Be2 0-0 9.Nf3 h6 10.0-0 e4 11.Nd4 Bf7 12.d3 c5 13.Nb3 Nbd7 (13...cb4 14.ab4 ed3 15.Qd3=) 14.d4 cb4 (14...cd4 15.Nd4 Ne5 16.Nd5=) 15.ab4 Nb6 (15...a6 16.c5+/-) 16.c5 (16.Na5 Qd7+/-) 16...dc5 17.bc5 Nbd5 18.Bc4 (18.Nd2 Nc3 19.Rc3 Nd5+/-) 18...Kh7 (18...Nc3 19.Bf7 Rf7 20.Bc3=) 19.Nd2 a6 20.h3 (20.Be2 Nc3 21.Bc3 f4+/-) 20...g5 (20...b5 21.cb6 Qb6 22.Na4+=) 21.Nd5 Nd5 22.g4 (22.Be2 a5+/-) 22...Qd7+= 23.gf5 Qf5 24.Qg4 Qg4 25.hg4 Nf6 26.Kg2 Ng4 27.Ne4?? (better 27.Bf7 Rf7 28.Ne4+=) 27...Bc4-+ 28.Rc4 Rf2! 29.Rf2 (29.Nf2 Ne3 Double attack; 29.Rf2 Ne3 Double attack) 29...Ne3 30.Kf3 Nc4 31.Bc3? (31.Rc2 Rf8 (31...Nb2?! 32.Rb2 Bd4 33.Rb4-/+) 32.Ke2 b5 33.cb6 Nb6-+) 31...Re8 (better 31...Rd8!? 32.Ke2 Kg6 33.Kd3 Ne5 34.Ke2-+) 32.Re2 Rd8 33.Rh2? (33.Nf2 Rd7 34.Ke4-+) 33...Kg6 34.c6 (34.Ng3 Na3-+) 34...bc6 35.Ra2 a5 (35...Bd4!? 36.Ra6 Ne5 37.Ke2 Bc3 38.Nc3-+) 36.Ra4 Nd6 37.Nc5 (37.Nd6 Rd6 38.Ke4 Re6 39.Kd3 h5-+) 37...Nb5 38.Ba1 Bd4 (better 38...Nd4 39.Kg2-+) 39.Ne6 Rd5 40.Nd4 Nd4 41.Bd4 h5 42.Kf2 (42.Bb6 g4 43.Kg3 Rd3 44.Kg2 Kf7-+) 42...Rb5 (better 42...Rf5!? 43.Ke3-+) 43.Bc3 h4 44.Ba5 Kf5 45.Bc7 (better 45.Bc3 Rc5 46.Bd2-/+) 45...c5 (better 45...Rc5-+) 46.Rc4-/+ g4 47.Rc2 Ke4 (47...Kg5!?-/+) 48.Rc4= Kf5 49.Rc2 g3 (better 49...Kg5!?-/+) 50.Kg2= Ke4 51.Rc4 Ke3 52.Rh4 c4 ½-½. Williams,Barry - Schwass,Mike, NZL North Island Rapid, 2000.

6.Qb3 Bg7 7.Nf3 Be6 8.Be2 0-0 9.Ng5 Bd7 10.c5 Kh8 11.Nf7 Rf7 12.Qf7 Nc6 13.Qb3 Qe7 14.cd6 cd6 15.0-0 Be6 16.Qa4 d5 17.b5 Nd8 18.d4 e4 19.Nd1 Nf7 20.Ba3 Qd7 21.Rc1 g5 22.Nb2 f4 23.b6 a6?? (23...ab6 24.Qa8 Pinning (24.Qa8 Deflection)) 24.Qd7 (better 24.Rc7!? Qa4 25.Na4 Rb8+-) 24...Nd7 25.Rc7 Rb8 26.Na4 Kg8 27.Bh5 Nd8 28.Nc5 Nb6 (28...Nc5 29.Bc5 Bf6+-) 29.Ne6 Ne6 (29...Bf6 30.Bc5 Na4 31.Ba7+-) 30.Bf7 Kh8 31.Be6 Nc4 32.Bc5 fe3 (32...b6 33.Rb1 Bf8 34.Bd5 Bd6 35.Bd6 Nd6+-) 33.fe3 Ne3 34.Rff7 (34.Rff7 Nf5 35.Bf5 b5 36.Rg7 Rb6 37.Rh7 Kg8 38.Rcg7) 1-0. carlos78 (2355) - mecker (2195), Rated Blitz game, lichess.org, 2015.

6.d3 Bg7 7.Qb3 0-0 8.Be2 c6 9.Nf3 Be6 10.Ng5 Bd7 11.f4 Ng4 12.Bg4 fg4 13.0-0 h6 14.Nge4 Bf5 15.Rad1 ef4 16.ef4 Kh7 17.Ne2 d5 18.Bg7 Kg7 19.cd5 cd5 20.N4c3 Re8 21.Kh1 Nc6 22.b5 Na5 23.Qb4 Rc8 24.Nd4 b6 25.Rfe1 Qd7 26.Nf5 gf5 27.Qd4 Kg6 28.Kg1 Re6 29.Qd5 Rd6 last book move 30.Qe5 Rc5 31.Qh8 Rc8 32.Qe5 Rc5 33.Qh8 Rc8 34.Qe5 ½–½. Feldman,Yevgeny – Burrows,Brandon (2180), Marshall Furity op, 1999.

6.d4 Nc6 7.b5 Ne7 8.de5 de5 9.Qd8 Kd8 10.0-0-0 Ke8+/- 11.h3 (11.Nf3 e4 12.Ne5 Bg7+/-) 11...Be6 12.Nf3 e4? (12...Bg7 13.Ne5 Ne4 14.Ne4 fe4 15.f4 ef3 16.Nf3 Bb2 17.Kb2+/-) 13.Nd4 (13.Ng5 Bf7 14.Nce4 Ne4 15.Ne4 fe4 16.Bh8 a6+-) 13...Bf7 (13...Bd7+/-) 14.f3?? (better 14.b6 ab6 15.Ncb5+-) 14...ef3 15.gf3 Bh6 16.Kd2 (16.f4 Rd8+=) 16...Rd8 (16...Nd7=) 17.Ke2 (17.Na4 Nh5 18.Rg1 b6+=) 17...Rd7 (better 17...Bc4 18.Kf2 Bf1 19.Rhf1 Kf7-/+) 18.Kf2+= Kd8 19.Be2 Kc8 20.Rd2 (20.Na4 Re8+=) 20...Rhd8 (20...c5 21.Nb3 Rd2 22.Nd2=) 21.Rhd1 f4 (21...b6!?=) 22.e4+/- Nh5 23.Nd5 Bd5? (better 23...Bg5+/-) 24.cd5+- (24.ed5?! Nf5+/-) 24...Bg7 25.Rc2 (25.Ne6 Bb2 26.Nd8 Rd8 27.Rb2 Kd7+-) 25...g5 (better 25...Re8+-) 26.Ne6 Bb2 27.Rb2 Rg8 28.Rc2 Ng7 (28...Kb8 29.Rdc1 Rc8 30.Ng5+-) 29.Rdc1 Ne8 30.a4 (30.d6!? Rd6 31.Rc7 Nc7 32.Rc7 Kb8 33.Re7 h6+-) 30...Kb8 31.a5 Nc8 (31...h6 32.a6 b6 33.h4+-) 32.a6 b6 33.Nd4 Ne7 34.Bc4 Nd6 (34...Rh8 35.Rg1 h6 36.h4+-) 35.Nc6 Nc6?! (35...Ka8 36.Ne5 Rdd8 37.Bd3+-) 36.dc6 (36.bc6?! Re7+=) 36...Re7 (36...Rdd8 37.Bg8 Rg8+-) 37.Bd5 (better 37.Bg8 Nb5 38.Rd2+-) 37...Rf8 38.Rb2 Re5 39.Rg1 h6 40.h4 Rh8 41.Rh1 gh4? (better 41...h5+=) 42.Rh4+- Rg5 43.Rf4 h5 44.Rb1 h4 45.Rh1 (45.Rg4 Re5+-) 45...h3? (45...Rgh5+/-) 46.Rg4?? (46.Rh3 Rd8+- (worse 46...Rh3 47.Rf8 Nc8 48.Be6 Rh2 49.Ke3 Re2 50.Ke2 Rg2 51.Ke3 Re2 52.Ke2 Ka8 53.Rc8)) 46...Rg4? (better 46...Rgh5+=) 47.fg4+- Nb5? (47...Kc8 48.g5 Kd8 49.g6+-) 48.Kg3 (48.g5 Nd6 49.Kg3+-) 48...Nd6?? (better 48...Kc8+-) 49.Rh3 Rh3 (49...Rf8 50.g5+-) 50.Kh3 Kc8 (50...Nc8 51.g5 Ne7+-) 51.g5 Kd8 52.Kg4 Ke7 53.Kh5 b5 (53...Ke8 54.Kh6 Ke7+-) 54.Kh6 Ne8 55.g6 Kf8 56.Kh7 Ng7 (56...Ke7 57.g7 Kd6+-) 57.e5 b4 58.e6 Nf5 59.Bc4 Ke7 60.g7 Ng7 61.Kg7 Ke8 62.Kf6 Kf8 (62...Kd8 63.e7 Ke8 64.Bf7) 63.Bd5 (63.e7 Ke8 64.Bf7) 63...b3 (63...Kg8 64.e7 Kh7 65.e8Q b3 66.Qh5) 64.Ke5 (64.e7 Ke8 65.Bf7) 64...b2 (64...Kg7 65.Be4 b2 66.Kf5 Kg8 67.Kf6 b1Q 68.Bb1 Kf8 69.e7 Ke8 70.Bg6) 65.Be4 (65.Kf6 Kg8 66.e7 Kh7 67.e8Q b1Q 68.Qh5) 65...b1Q 66.Bb1 Ke7 (66...Kg7 67.Be4 Kh6 68.e7 Kg5 69.e8Q Kg4 70.Qg8 Kh4 71.Kf4 Kh5 72.Qg5) 67.Bf5 (67.Bg6 Kd8 68.Kf6 Kc8 69.e7 Kb8 70.e8Q) 67...Ke8 (67...Kd8 68.Kf6 Ke8 69.Bg6 Kd8 70.e7 Kc8 71.e8Q) 68.Kf6 Kf8 (68...Kd8 69.e7 Ke8 70.Bd7) 69.e7 Ke8 (69...Ke8 70.Bd7). pacalmisu (2230) - xmodey (2210), Rated Blitz game, lichess.org, 2015.

6.d4 ed4 7.ed4 Qe7 8.Be2 d5 9.c5 Nc6 10.a3+=.

6.d4 Nbd7 7.d5 Bg7 8.Nf3 e4 9.Nd4 Ne5 10.Be2 0-0 11.0-0 Qe7 12.Qc2 Nfg4 13.h3 Nh6 14.Rac1 g5 15.c5 g4 16.cd6 cd6 17.Ndb5 gh3 18.gh3 Qh4 19.Nd6 Qh3 20.Nc8 Rac8 21.d6 Nf3 22.Bf3 ef3 0–1. polynesia46 (1645) – jarosk (1765), internet, 2013.

6.Nf3 e4 7.Nd4 Bg7 8.Be2 c5 9.bc5 dc5 10.Nb3=.

6.Nf3 Be7 7.c5 0-0 8.cd6 Bd6 9.Bc4 Kg7 10.Nb5 Nc6.

6.h4 Be6 7.Nf3 h6 8.d4 e4 9.Nd2 Bg7 10.Ne2 Bf7 11.Qc2 0-0 12.Bc3 a5 13.ba5 Nc6 14.Nb3 Bc4–/+ 15.Nf4 Bf7 16.Qb2 Ne7 17.Rd1 Ned5 18.Nd5 Nd5 19.g3 Qd7 20.Be2 Qa4 21.0-0 g5 22.hg5 hg5 23.Kg2? f4–+ 24.ef4 gf4 25.gf4 Nf4 26.Kg3? Ne2 27.Qe2 Bc4 28.Qg4? Bf1 29.Rf1 Qc4 30.d5 Qc3 (30...Qc3 31.Kg2 Qe5–+) 0–1. Vasquez,Carlos (1990) – Rojas,Luis (2385), Jose Cabezas mem, 2004.

6.Be2 Bg7

7.Qb3 Be6 (7...0-0 8.d4=) 8.Nf3 h6 9.d4 e4 10.Nd2 0-0 11.d5 Bf7 12.0-0 Nbd7 13.a4 Ne5 14.Qc2 (14.a5 c6+=) 14...a5 15.Ba3 (15.b5 Qe7=) 15...Re8 (15...ab4 16.Bb4 c6 17.dc6 bc6 18.Rfb1=) 16.b5 g5 17.Rab1 b6 18.Bc1 Bh5 19.Bh5 Nh5 20.Ne2 Nd3 21.Nd4 (21.f3 Qe7 22.fe4 fe4=) 21...Bd4= 22.ed4 Nhf4 23.Nb3 White plans c5 23...Qe7 24.Bf4 gf4 25.Rfe1 (25.Nc1!? Nb4 26.Qc3=) 25...Qg5 (25...Ne1 26.Re1 f3 27.g3-/+) 26.c5 (better 26.Rf1!?=+) 26...f3-/+ 27.g3 Qg4 28.Re3?? (better 28.Kh1 dc5 29.Rf1-+) 28...Qh3 29.Qd1 (29.Rf3 ef3 30.Qd3 Qg2) 29…Qg2 0-1. dannysmet (2040) - SimonDavidsson (2140), Rated Blitz game, lichess.org, 2020.

7.d4 0-0 8.f3 (better 8.Nf3!?+=) 8...ed4 9.ed4 Nbd7 (9...Nh5 10.Nh3=+) 10.Bd3 (10.Nh3 a5 11.ba5 c6=) 10...Qe7 (10...Nb6!?-/+) 11.Nge2= c6 12.0-0 Kh8 (12...Nb6 13.Re1 d5 14.c5=) 13.c5 (13.Re1 Nh5+/-) 13...d5 (13...dc5!? 14.bc5 b6=) 14.Bc1 b6 15.a4 White prepares the advance b5 15...a5 16.b5 bc5 (better 16...Bb7 17.cb6 c5=) 17.dc5?? (better 17.bc6!? Nb6 18.Nb5+/-) 17...Nc5 (better 17...Bb7=+) 18.Ba3?? (better 18.bc6 Rd8 19.Rb1=) 18...Qe3-+ 19.Kh1 Nd3 (worse 19...Qd3 20.Bc5 Qd1 21.Rfd1+=) 20.Bf8 Bf8 21.Qc2 (21.bc6 Ba6 22.Nb5 Rc8-+) 21...Nb4 (better 21...Nf2 22.Rf2 Qf2 23.bc6 Ba6-+) 22.Rfe1 (22.Qb2 Bd7 23.Rad1 Re8-+) 22...Qd3 (better 22...Nc2 23.Nd1 Qe6-+) 23.Qd3 Nd3 24.Reb1 (24.bc6 Ne1 25.Re1 Ba6-+) 24...c5 25.g3 (25.Rf1 d4 26.Nd1 Bh6-+) 25...d4 26.Na2 (26.Nd1 Bb7 27.Ng1 c4-+) 26...Bb7 27.Kg2 (27.Rf1 Re8 28.Nf4 Nf4 29.gf4 Bd6-+) 27…Ng4 0-1. Darkseid (1800) - freezerman (1950), ChessWorld.net, 2006.

7.d4 ed4 8.ed4 0-0 9.Nf3 c5 10.b5+=.

7.Nf3 0-0 8.Qb3 Kh8 9.0-0 Be6 10.d4 e4 (10...Nbd7 11.Ng5 Bg8 12.de5 Ne5 13.f4 Neg4 14.Nd5 c6 15.Nf6) 11.Nd2 (11.Ng5 Bg8+= 12.h4 Nbd7 13.d5 a5 14.a3 Ne5 15.Nb5) 11...Nbd7 12.f4 (12.a4 c6= (12...a6 13.h3 Qe7 14.a5 Kg8 15.Rfe1) 13.a5 Kg8 14.h3 Rc8 15.Qc2; 12.Nb5 Bf7 13.h3 a6 14.Nc3 Qe7 15.a4) 12...ef3 13.Bf3 c6 14.Qc2 Nb6 15.Qd3 d5 =/+ 16.c5 Nbd7 17.a4 = Ne4 18.Be4 fe4 19.Rf8 Bf8 20.Qe2 Kg8 21.b5 Bh6 22.Nf1 Qh4 23.a5 a6 24.bc6 bc6 25.Na4 Rf8 26.Bc3 Bg4 27.Qe1 Qf6 28.Nb6 Nb8 29.Qd2 Qg5 =/+ 30.Re1. Berlacki,Pierre – Harman,Kenneth B, Guernsey op, 1985.

6.Nge2 Bg7

7.d4 Nbd7 8.de5 de5 9.Qc2 0-0 10.0-0-0 c6 11.c5 Qc7 12.f4 e4 13.Nd4 Re8 14.Bc4 Kh8 15.Ne6 Re6 16.Be6 Nf8 17.Bc8 Rc8 18.Ne2 Nd5 19.Bg7 Kg7 20.Rd5 cd5 21.Nd4 Qf7 22.g4 fg4 23.h3 gh3 24.Rh3 Ne6 25.Qb2 Nd4 26.Qd4 Qf6 27.Rh7 Kh7 28.Qf6 b6 29.Qf7 Kh6 30.Qd7 Rh8 31.Qh3 Kg7 32.Qh8 Kh8 33.c6 g5 34.c7 gf4 35.c8Q Kg7 36.Qg4 Kf6 37.Qf4 Ke6 38.b5 Kd7 39.a4 Ke6 40.Kd2 Kd7 41.Kc3 Ke6 42.Kd4 Kd7 43.Qe5 1-0. tati1375 (2200) - vlahos (1720), Rated Bullet tournament, lichess.org, 2016. (=1.e3 d6 2.c4 e5 3.Nc3 f5 4.b4 Nf6 5.Bb2)

7.d4 e4 8.Nf4+= Qe7 9.Nfd5 Qf7 10.Nf6 Bf6 11.Nd5 Bg7 12.Qa4 Kf8 13.Nf4 c6 14.b5 g5+= 15.Nh3 Bf6 16.Ba3 c5= 17.Rd1 b6 18.Be2 Be6 19.0-0 Kg7+/- 20.dc5 dc5 21.Qc2 Nd7+= 22.Bb2 h6= 23.Rd6 Ne5 24.Rfd1 Rhe8 25.Bc3 Re7 26.Qa4 Rae8 27.R1d2?? Ng6?? 28.Qb3 Kh7 29.Bf6 Qf6 30.a4 f4 31.ef4 gf4–/+ 32.Bh5 Rg8 33.g3? Ne5 34.Be2 Qh4 35.Re6 Re6 36.Bf1 Nf3 (36...Nf3 37.Kh1 Nd2–+) 0–1. jammboy – Nokarookoff, ChessWorld.net, 2006.

6.Nf3 Bg7

7.Rb1 0-0 8.Qb3 Be6 9.Ng5 Qe8 10.Nb5 Na6 11.a3 f4 12.Be2 fe3 13.de3= Kh8 14.0-0 h6 15.Nf3. wlittle (2315) – zeugma (1620), net–chess.com, 2003.

7.c5 e4 8.Nd4 Nc6 9.Bb5 Bd7 10.Bc6 bc6.

7.c5 e4 8.Nd4 Nc6 9.Nc6 bc6 10.b5 Bd7 11.cd6 cd6 12.Ba3 c5 13.Qb3 Ng4 14.Bb2 Qh4 15.Ne4 fe4 16.Bg7 Qf2 17.Kd1 Ke7 18.Bc4 (better is 18.Bh8 Rh8 19.Qc3+=) 18...Qg2+= 19.Kc2 Rhc8 20.Rhg1 Qh3 21.Raf1 Bf5 (21...Qh2 22.Rf7 Ke8 23.Rg4 Bg4 24.b6+-) 22.Qc3 Kd7 (22...Qh2? 23.Rg4 Kd7 24.Qf6+-) 23.Rf5? (23.Bd5 Rab8 24.Qa5+=) 23...gf5–+ 24.Rg4 Rf8?? (24...Qg4 25.Qf6 Qg6 26.Be6 Kc7 27.Qe7 Kb8 28.Qd6 Rc7 29.Be5 Qg7 30.Bg7 Kb7 31.Be5 Rac8 32.Qa6 Ka8 33.Bd5 Rb7 34.Qb7) 25.Bf8+- Qg4 26.Qf6 (26.Qf6 Rf8 27.Qe6 Kd8 28.Qd6 Ke8 29.Qb8 Ke7 30.Qc7 Kf6 31.Qd6 Kg7 32.Qe7 Kg6 33.Qf8+-) 1–0. Petters Merino,Oscar (1895) – Arditi Rocha,LF (2075), ARG–PER, 2012.

7.c5 e4 8.Nd4 d5 9.Qa4 c6 10.Be2 0-0 11.b5 Bd7 12.Qb3 Qc8 (12...Qe7 13.0-0=) 13.0-0+= a6 14.Na4 Qe8 15.Nb6 Ra7 16.a4 ab5 17.ab5 Ra1 18.Ra1 Qf7 (better is 18...Qe7!?+/-) 19.Ra7+- (19.Nd7?! Nfd7 20.Qc2 f4+=) 19...Be8 20.Nc8 Ng4?? (20...Nfd7 21.Nd6 A) 21...Nc5?? A1) 22.Nf7 Nb3 23.Nb3 Bb2 (23...Rf7? 24.Bg7 Kg7 25.Ra8+-) 24.Nh6 Kh8+=; A2) 22.Qc2 Qe7 23.Qc5+-; B) 21...Qf6+-) 21.Nd6 Qe7 22.Rb7 Qh4 (22...Qe5 23.Bg4 Nd7 24.N4f5 Qb2 25.Qb2 Bb2 26.Ne7 Kh8 27.bc6 Nc5 28.Rb2 Bc6 29.Nc6 Ra8+-) 23.Rg7! 1–0. pvanr (1975) – trhan (1900), gameknot.com, 2009.

7.c5 Qe7 8.cd6 cd6 (worse 8...Qd6 9.Nb5 Qe7 A) 10.Ne5?! a6 (10...c6 11.Qc2 a6) 11.Qa4 c6=; B) 10.Be5+- 0-0 11.Nc7 Nc6) 9.Qb3 (9.Bc4 Be6 10.Be6 Qe6 11.Qa4 Nbd7) 9...Be6 (9...e4 10.Nd4 Nc6 11.Bc4 Nd4) 10.Bc4 Bc4 11.Qc4 Nc6 (11...Nbd7+=) 12.b5 Nd8 13.0-0 Ne6 14.Ba3 (14.Nd5 Qf7=) 14...Qd7 15.d4 e4 16.Nd2 0-0 17.Nd5 Kh8 18.Nf6 Bf6 19.Qd5 Rfd8 20.Rfc1 (20.Nc4 Be7+=) 20...Rab8 (20...Nc7!? 21.Qd6 Qd6 22.Bd6 Nb5=) 21.Nc4 Pawn d6, live or die! 21...Be7 22.b6 a6 23.Ne5 (23.Ne5 de5 24.Qe5 Kg8 25.Rc7+=). Peixoto,Antonio (2110) – Fanha,Paulo Alexandre Mar (2030), Honra, 2004.

7.d3 0-0 8.Be2 h6 (8...a5 9.b5=) 9.0-0+= Be6 10.Qb3 c6 11.a4 Nbd7 12.a5 g5 Black plans f4 13.Qa4 g4 14.Nd2 f4 15.Rfe1 Qe7 (15...fe3 16.fe3 Qe7 17.a6+=) 16.Bf1 (16.ef4 ef4 17.a6 Nb6+/-) 16...Qf7 (16...fe3 17.Re3 d5 18.Ree1=) 17.a6 Nb6 18.Qa5 (18.Qc2 fe3 19.fe3 ba6=) 18...ba6 (18...fe3 19.fe3 ba6=) 19.Qa6 (19.ef4 ef4 20.Re2= (worse 20.Qa6 g3 21.h3 Nh7=+)) 19...g3=+ 20.ef4? (20.fg3 fg3 21.h3 Ng4=+) 20...ef4 (better 20...gf2 21.Kf2 Ng4 22.Ke2 Qf4-+) 21.hg3?? (better 21.h3=) 21...fg3-+ 22.fg3 (22.f4 Qh5 23.Nf3-+) 22...Ng4 23.Nf3 Bd4 24.Nd4 (24.Kh1 Nf2 25.Kg1 Qh5 26.Nh4 Ne4 27.Kh2 Ng3 28.Re4 Ne4 29.g3 Ng3 30.Ne4 Qh4 31.Bh3 Qh3) 24...Qf2 25.Kh1 Qg3 26.Nf3 Rf3 27.gf3 (27.Qc8 Rc8 28.gf3 Qh2) 27…Nf2 (27...Qh2) 0-1. norba94 (2245) - Permutohedron (2260), Rated Blitz game, lichess.org, 2015.

7.d4 ed4 8.Nd4 (worse 8.Qd4 Nc6 9.Qd2 (9.Qh4 Ne4 10.Qd8 Kd8–/+) 9...Nb4 10.Rd1=+; 8.ed4 0-0 9.Be2 c5 10.b5=) 8...0-0 (8...a5 9.b5 Qe7 10.Be2+=) 9.Be2 Nc6 (9...Ne4 10.a3=) 10.Nc6 bc6 11.c5 (11.0-0 Be6+=) 11...Rb8 12.Qb3 d5 13.0-0 Be6 14.a3 Qe7 15.Qa4 Ne4 16.Qc2 Nf6 (16...a5 17.Ne4 Bb2 18.Qb2 fe4 19.Qd4=) 17.Na2 a5 18.Bd4 ab4 19.Nb4 Bd7 20.Nd3 Rb7 21.Rfb1 Ra7 22.Rb3 Rfa8 23.Qb2 Ne4 24.Rb8 Bc8 25.Ra8 (25.a4 Ra5+-) 25...Ra8+= 26.Nb4 Nc5 27.Nc6 Qf7 (27...Qd7 28.Bg7 Qg7 29.Qa2+-) 28.Bf3 (28.Qb5!? Ne6 29.Bg7 Qg7 30.Ra2+-) 28...Ne4+= 29.Nb4 Bf8 30.Nc6 (30.Rc1 g5+=) 30...Qe6= 31.Be4 (31.Qc1 Bb7 32.Be4 de4= (worse 32...Qe4 33.Ne5 Bd6 34.Nd7=)) 31...fe4=+ 32.Ne5 (32.Qc2 Bb7 33.Na7 Qe7=) 32...c5 33.Bc3 Bd6 34.f3? (better 34.Qb6 Qe7 35.Qb2=+) 34…Rb8–+ (34...Rb8 35.Qd2 Be5 36.fe4 Bb7 (36...de4? 37.Qd8 Kg7 38.Rf1+-) 37.ed5 Bc3 38.Qc3 Bd5–+) 0–1. de Visser,Arno – Schweitzer, Biel, 1984.

7.d4 e4 8.Nd2 0-0=.

7.d4 e4 8.Nd2 c5 9.Qa4 Bd7 10.Qb3=.

7.d4 e4 8.Ng5 h6 (8...0-0 9.Be2=) 9.Nh3 0-0 10.d5 (10.Nf4 g5 11.Nh5 Nh5 12.Qh5 c5 13.dc5 dc5=) 10...Nbd7 (10...a5 11.b5=) 11.Qc2 (11.Nf4 Ne5+=) 11...Ne5 12.Be2 a5 13.b5 b6 (13...Nfg4 14.0-0=) 14.f4 (14.0-0 Nfg4=) 14...Neg4= 15.Qd2 Bd7 16.Bg4 Ng4 17.Ng1 (17.0-0 Qh4=) 17...a4 18.a3 g5 (better 18...Qh4!? 19.g3 Qh5=+) 19.h3+= Nf6 20.fg5 hg5 21.Nge2 Qe7 22.Nd4 Nh5 Black prepares f4 23.0-0-0 Ng3 24.Rhe1 f4 25.ef4 gf4 26.Nce2 (26.Nc6 Bc6 27.dc6 e3=) 26...e3 27.Qc2 Nf5 28.Rf1 Nd4 29.Bd4 Bf5 (29...Rae8 A) 30.Nf4? e2 31.Ne2 Rf1 (worse 31...Qe2 32.Rf8 Kf8 33.Bg7 Kg7 34.Qe2 Re2 35.Rd2-+) 32.Rf1 Qe2 33.Qe2 Re2 34.Bg7 Kg7-+; B) worse 30.Rf4 Rf4 31.Nf4 e2 32.Ne2 Qe2-/+; C) 30.Qa4 Be5 31.Qb3+=) 30.Qc3 (30.Qb2 Bh6 31.g3 A) worse 31...Bh3 32.Rh1 (32.gf4?! Bf1 33.Rf1 Qe4=) 32...f3 33.Rh3 fe2 34.Qe2+-; B) 31...fg3=) 30...Qe4 31.Kb2 Bd4? (better 31...Be5=) 32.Qd4?? (better 32.Rd4 Qe5 33.Rff4+-) 32...Qc2-+ 33.Ka1 Qe2 34.Rf4 Rae8 35.Rh4 Re5 36.g4 (36.Rc1-+) 36...Bg6 37.Rh6 Kg7 (37...Rf2 38.Qd2 Qd2 39.Rh8 Kh8 40.Rd2 ed2 41.Kb2 d1Q 42.Kc3 Qd2) 38.Rg6 Kg6 39.h4 Rf2 40.Qd3 (40.Qd2 Qd2 41.h5 Kh7 42.Rd2 ed2 43.Kb2 d1Q 44.Kc3 Qd2) 40...Qd3 41.Rd3 (41.h5 Kg5 42.Rd3 e2 43.Kb2 e1Q 44.Rd2 Qd2 45.Kb1 Re1) 41...e2 42.h5 Kg5 43.Rb3 (43.Kb2 e1Q 44.Rd2 Qd2 45.Kb1 Re1) 43...e1Q 44.Rb1 Qb1! 45.Kb1 (45.Kb1 Re1 Mate attack) 45...Ree2 (45...Re1) 46.h6 (46.c5 Rf1) 46...Rg2 (46...Rf1) 47.h7 (47.c5 Rg1) 47...Ref2 (47...Rg1) 48.h8Q Rf1 (48...Rg1) 0-1. zembelek (2100) - Zorbak (2255), Rated Blitz game, lichess.org, 2014.

7.Be2 0-0 8.0-0 c6 9.Qb3 Kh8 10.a4 h6 11.d4 e4 12.Nd2 d5 13.cd5 cd5 14.b5 g5 15.Ba3 Rf7 16.Rfc1 f4 17.ef4 gf4 18.Nde4 Ne4 19.Ne4 Bd4 20.Bb2 Bb2 21.Qb2 Rg7 22.Nc5 Bh3 23.Bf3 Nd7 24.Nd7 Qd7 25.Kh1 Bf5 26.Rd1 Be6 27.Rd4 Rf8 28.Rad1 Qf7 29.h3 Qf6 30.Qd2 Rfg8 31.Qf4 Qf4 32.Rf4 Rd8 33.Rf6 Bf7 34.Rh6 Kg8 35.Rf6 d4 36.Be4 Bb3 37.Rd2 Ba4 38.b6 ab6 39.Rb6 Bc6 40.Bc6 bc6 41.Rc6 Re7 42.Rc4 d3 43.Rc3 Red7 44.Kg1 Kf7 45.f3 Kf6 46.Kf2 Kf5 47.Rc4 Kf6 48.Re4 Kf5 49.Ke3 Ra8 50.Rd3 Rb7 51.g4 Kf6 52.Kf4 Ra6 53.h4 Kg6 54.Rde3 Rf6 55.Kg3 Rbf7 56.Re6 Kg7 57.Rf6 Rf6 58.f4 Ra6 59.g5 Kg6 60.Kg4 Ra4 61.h5 Kg7 62.Re6 Ra7 63.h6 Kh7 64.f5 Ra4 65.Kh5 Ra8 66.Re7 Kh8 67.g6 Ra5 68.Re8 Normal 1-0. carlos78 (2250) - Ak202 (2250), Rated Blitz game, lichess.org, 2015.

7.Be2 0-0 8.0-0 Nc6 9.a3 (9.b5 Nb4+= (9...Na5 10.Qa4 c5) 10.Qb3 e4) 9...e4= 10.Ne1 (10.Nd4 Nd4) 10...a5 (10...Be6=+) 11.b5 Ne5 12.Qc2 (12.f4 Nf7=) 12...Be6=+ 13.Nd1 Nfd7 (13...a4 14.f3=) 14.f4= ef3 (14...Nf7 15.Bg7 Kg7 16.d3=) 15.Nf3+= Nc5 (better 15...Qe7!?+=) 16.d4+- Nf3 17.gf3 (17.Bf3!? Ne4 18.d5+-) 17...Nd7 18.Kh1 Nf6 19.d5 Bd7 20.a4 (20.Rg1 Qe7=) 20...b6 21.Bd4 Qe7 22.Ra2 Rae8 23.Rg1 Nh5 Black plans f4 24.Qc3 Bd4 25.Qd4 f4 26.ef4 (better 26.e4!?=) 26...Rf4 27.Qf2 Qh4 (27...Bf5 28.Rd2–/+) 28.Bd3 (28.Qh4 Rh4 29.Nf2 Nf4=+) 28...Qf2 (28...Qh3 29.Re2–/+) 29.Rf2=+ Bf5 30.Bf5 Rf5 31.Rgf1 Nf4 32.Rd2 Kg7 33.Kg1 (33.Rd4 g5–/+) 33...Nh3 (33...Rfe5!?–/+) 34.Kg2=+ Nf4 (better 34...Ng5=+) 35.Kf2?? (35.Kg1 g5–/+) 35...Nh5 (35...Rg5 36.Ne3 Rge5=+) 36.Ne3 Rf4 (36...Rfe5 37.Ng2=) 37.Rc2= Ref8 Exerts pressure on the isolated pawn (37...Rf7 38.Re2=) 38.Kg2 (38.Ke2 R4f6=) 38...Rh4 39.Re1 (39.Rg1 Nf4 40.Kh1 Kf6=+) 39...Nf4 40.Kg1 Nh3 41.Kg2 Nf4 (41...Ng5 42.Rf2=+) 42.Kg1 Nd3 43.Rf1 Nc5 (43...Rhf4 44.Re2=+) 44.Ra2=+ Rd4 45.Kg2 (45.h3 Re8 46.Re2 Kf7–/+) 45...h5 (45...Nd3 46.Kg3 Re8 47.Re2 Rc4 48.Rd1–+) 46.Kg3 Rd3 (46...h4 47.Kf2=+) 47.Re1= Rb3 48.h3 Rc3 49.Ree2 (49.h4 Nd3 50.Rf1 Ne5=+) 49...Nd3 (49...h4 50.Kg4 Re8 51.Ng2 Rc4 52.f4 Re2 53.Re2 Ra4 54.Re7 Kf6 55.Rc7–/+) 50.Rac2 (50.Rec2 Rb3 51.Nf1 Rf4–/+) 50...Rc2 (50...Nf4!? 51.Re1 Ra3=+) 51.Nc2 Nc5 52.Nd4 Kf7 53.Ne6 Ne6 (53...Re8 54.Ng5 Kf8 55.Nh7 Kf7 56.Ng5 Kf8 57.Rg2=) 54.Re6 (54.de6 Kf6–/+) 54...Kg7 (54...Re8 55.Re8 Ke8 56.Kf4+=) 55.f4 Rf6 56.Re7 Rf7 57.Re6 (57.Re8!?+=) 57...Rf6= 58.Re7 (58.Re8!?+=) ½–½. Margraf,A – Guenter,B, Schwabenliga, 1991.

7.Be2 0-0 8.0-0 e4 9.Ne1= (9.Ng5 a5 10.b5 h6) 9...Be6 10.d4 Nbd7.

7.Be2 0-0 8.Qb3 e4 9.c5 d5 10.Nd4 Nc6.

7.Be2 e4 8.Ng5 Nc6 9.0-0 0-0 10.Qb3 a5.

7.h4 e4 8.Ng5=+.

7.h4 h6 8.Be2 0-0 9.d4 e4 10.Nd2 c6 11.Qb3 d5 12.cd5 cd5 13.a4 (13.b5 Be6=) 13...Be6 14.g3 (14.Rc1 Qd7=) 14...Nc6=+ 15.a5 g5 (better 15...a6!?=+) 16.a6 b6 17.b5 (17.hg5 hg5 18.Rc1 Rc8+=) 17...Ne7 (better 17...Na5!? 18.Qb4 g4=) 18.hg5+/- hg5 19.Ba3 Rf7 (19...Kf7 20.Rc1+=) 20.Be7 (20.Rc1 Rc8+=) 20...Qe7+= 21.Qd1 Qd7 22.Rc1 f4 23.ef4 (23.gf4 gf4 24.Bh5 Nh5 25.Rh5 fe3 26.fe3 Bg4 27.Rd5 Qe6-+ (27...Bd1 28.Rd7 Rd7 29.Rd1+/-)) 23...gf4 24.Bh5 (24.gf4 Ng4 25.Qb3 Rc8=) 24...Re7 (better 24...Nh5!? 25.Qh5 fg3 (worse 25...Bd4 26.Ne2 Bg4 27.Qg6 Rg7 28.Qh6 Be2 29.Qh8 Kf7 30.Qa8 Bb5 31.gf4=+) 26.fg3 Bd4-/+) 25.gf4= e3? (better 25...Nh5 26.Rh5 Bg4 27.Rd5 Bd1 28.Rd7 Rd7 29.Rd1 Rd4 30.Nce4 Rd5-/+) 26.fe3+- Bg4 27.Bg4 Ng4 28.Nf1 (28.e4 de4 29.Qb3 Rf7+-) 28...Ne3 (28...Rae8 29.Kd2 Nf2 30.Qh5 Nh1 31.Qh1+/-) 29.Ne3 Re3 30.Kd2 Rg3 31.Qh5 Rg2 32.Kd3 (better 32.Kd1 Rd8 33.Qf3+-) 32...Rd8? (32...Rg3!? 33.Ke2 Qe8 34.Qe8 Re8 35.Kd2 Rg2 36.Kd1 Rg3+/-) 33.Rce1 (better 33.Rcg1 Rg1 34.Rg1+-) 33...Rg3+/- 34.Kc2?? (better 34.Re3 Re3 35.Ke3+/-) 34...Bd4 (34...Rc8 35.Kd2 Rgc3 (35...Rcc3 36.Re8 Qe8 37.Qe8 Bf8 38.Qe6 Kg7 39.Qe5 Kg6 40.f5 Kg5 41.f6 Kg6 42.Qh5 Kf6 43.Rf1 Rgf3 44.Rf3 Rf3 45.Qf3 Ke7 46.Qd5+-) 36.Qh7 Kf8-+) 35.Re8?? (better 35.Re5 Be5 36.fe5 Rg2 37.Kb3=) 35...Re8-+ 36.Qg6 (36.Qd5 Qd5 37.Nd5 Re2 38.Kd1-+) 36...Rg6 37.Rh5 Rg2 (37...Qc8 38.Rh3 Rg2 39.Kd1 Qg4 40.Rf3 Bc3 41.f5 Re1) 38.Kb3 Bc3 39.Kc3 (39.Rg5 Rg5 40.fg5 Qb5 41.Kc3 Re2 42.Kd4 Qc4) 39...Rg7 (39...Qc7 40.Kb4 Qf4 41.Kc3 Re3) 40.Kd4 (40.f5 Qc8 41.Kb4 Re3 42.Rh8 Kh8 43.f6 Qc4) 40...Rc8 (40...Re4 41.Kc3 Qc7 42.Kb3 Rg3 43.Kb2 Re2 44.Kb1 Rg1) 41.Rd5 (41.Ke3 Qe7 42.Re5 Qa3 43.Kd4 Qc3 44.Kd5 Qc4 45.Kd6 Rd8) 41...Qb5! 42.Rb5 (42.Rb5 Rd7 Combination) 42...Rd7 43.Rd5 (43.Ke3 Rc5 44.Rb2 Ra5-+) 43...Rcd8 44.Kc4 (44.Kc4 Rd5 45.Kc3 Rc5 46.Kb4 Rd4 47.Ka3 Rd3 48.Ka2 Rc2 49.Kb1 Rf2 50.Kc1 Rg3 51.f5 Rg1) 1-0. zembelek (2080) - Zorbak (2175), Rated Blitz game, lichess.org, 2014.

5.d3 Be6

6.Nd2 a5 7.b5 c6 (7...Be7 8.Be2 0-0 9.Ngf3 a4 10.0-0 Ng4 11.a3 Nd7=) 8.d4 cb5 9.cb5 Nbd7 10.de5 de5 11.Ngf3 Bb4=.

6.Nd2 a6 A) 7.a3 Nc6 (7...Be7 8.Ngf3 0-0 9.Be2 Qe8 10.d4 e4 11.Ng5 Bd7=; 7...a5 8.b5 Be7 9.Ngf3 0-0 10.Be2 Ng4 11.0-0 Nd7=) 8.Ngf3 Be7 9.d4 ed4 10.Nd4 Nd4 11.Bd4 c5=; B) 7.Be2 Be7 (7...Nc6 8.a3 g5 9.d4 ed4 10.ed4 d5 11.Ngf3 dc4+=) 8.Ngf3 0-0 9.d4 e4 10.Ng5 Bd7 11.0-0 Qe8=; C) 7.Ngf3 Nc6 (7...Be7 8.d4 0-0 9.Be2 e4 10.Ng5 Bd7 11.0-0 Qe8=; 7...Bd7 8.Be2 Nc6 9.Qb3 Be7 10.0-0 0-0 11.Bc3 e4=) 8.d4 ed4 9.Nd4 Nd4 10.Bd4 Be7 11.Bd3 c5=; D) 7.Nh3 Nc6 8.a3 Bd7 9.d4 Be7 10.d5 Nb8 11.Be2 0-0=.

6.Nd2 Nbd7 7.Ne2 (7.Ngf3 a5 (7...Be7= 8.d4 c6 9.Be2 a5 10.Ng5 Bg8 11.ba5 Qa5=; 7...Qe7 8.d4 f4 9.e4 ed4 10.Nd4 a5 11.a3 Bf7+=; 7...c6 8.d4 Be7 9.Be2 a5 10.ba5 Qa5 11.Ng5 Bg8=; 7...h6 8.d4 c6 9.Be2 Be7 10.de5 de5 11.c5 Qc7+=) 8.ba5 Ra5 9.d4 Qa8 10.d5 Bf7 11.Qb1 g6=) 7...h6 (7...d5 8.c5= a5 9.a3 ab4 10.ab4 Ng4 11.Nf3 b6+=; 7...a5 8.ba5 Ra5 9.d4 c6 10.Bc3 Ra7 11.Ng3 Be7=; 7...Be7 8.Nf3 Nb6 9.Qb3 a5 10.Ng5 Bg8 11.ba5 Ra5+=; 7...c6 8.Nf3 Be7 9.Ng5 Bg8 10.Ng3 h6 11.Nf3 Bh7=) 8.h4 (8.Ng3 c6= 9.Be2 Qb6 10.Bh5 Nh5 11.Qh5 Bf7=) 8...Be7 (8...d5 9.a3 a5 10.c5 Ng4 11.d4 ab4=) 9.d4 c6 10.Qc2 (10.Ng3 0-0 11.Qf3 d5+=) 10...0-0 11.Nb3 (11.Ng3 Ng4+=) 11...Ng4 12.g3 f4 (12...Ndf6!?+=) 13.ef4= (worse is 13.gf4 Bh4 14.Kd2 Bf5–+) 13...ef4 (13...d5 A) 14.fe5? Nf2 (worse is 14...Bb4 15.Bc3 Bc3 16.Nc3–/+) 15.Rh2 Bf5–+ (15...Bb4?! 16.Bc3 Ng4 17.Rh1 Bc3 18.Qc3–+; 15...dc4?! 16.Rf2 cb3 17.Rf8 Bf8 18.ab3=); B) 14.a3=) 14.Nf4+= Rf4 (14...Bf5!? 15.Qd2 Qe8+=) 15.gf4+/- Bh4 16.Rh4 (16.Qe4 Bf2 17.Kd1=) 16...Qh4–/+ 17.Nc1?? (better is 17.f5 Bf7 18.Bd3–/+) 17...Re8–+ 18.Bd3 Bf5 (better is 18...Ne3! 19.Qb1 Nc4 20.Bc4 Bc4 21.Kd1 Qf2 22.Bc3–+) 19.Kd2 Qf2 20.Kc3 Qf3 21.Qd2 (21.c5 Nf2 22.Kb3 Nd3 23.Nd3 Bd3–+) 21...Nf2 (21...Re3 22.Kc2 Bd3 23.Nd3–+) 22.Kc2 (22.Qf2 Qf2 23.Bf5–+) 22...Nd3 (22...Nd3 23.Bc3 N3c5 24.Nd3 Bd3 25.Kb2 Na4 26.Ka3 Re2–+) 0–1. Suess,Stefan – Dvorak, corr, 1980.

6.Nd2 Be7 A) 7.Ngf3 a5 (7...0-0 8.Be2 a5 9.b5 Qe8 10.Ng5 Bc8 11.0-0 Qg6=; 7...c6 8.d4 e4 9.Ng5 Bd7 10.Be2 d5 11.c5 b6=; 7...Na6 8.b5 Nb8 9.d4 e4 10.Ng5 Bd7 11.Be2 a6=; 7...a6 8.d4 0-0 9.Be2 e4 10.Ng5 Bc8 11.0-0 d5=) 8.ba5 Ra5 9.Qb3 b6 10.Bc3 Ra7 11.d4 e4=; B) 7.a3 0-0 (7...a5 8.Ngf3 ab4 9.ab4 Ra1 10.Ba1 0-0 11.Be2 Qe8=) 8.Ngf3 a5 9.Be2 ab4 10.ab4 Ra1 11.Ba1 Qe8=.

6.Nf3 a5 7.b5 Be7 (7...c6 8.Nc3 Be7 9.d4 Nbd7 10.Be2 cb5 11.Nb5 e4+=; 7...a4 8.d4 e4 9.d5 Bd7 10.Nd4 Be7 11.Be2 0-0+=; 7...Bf7 8.Ng5 Bg8 9.Be2 c6 10.0-0 cb5 11.cb5 Nbd7+=) 8.Be2 0-0 9.0-0 Qe8 10.Nc3 Qg6 11.d4 e4=.

6.Nf3 Na6 7.a3 Be7 8.Be2 0-0 9.0-0 Ng4 10.Nc3 c6 11.d4 e4+=.

6.Nf3 Be7

7.a3 0-0 8.d4 e4 9.d5 Bc8 10.Nd4 Bd7 11.Be2 a5+=.

7.a3 a5 8.b5 0-0 9.Be2 Nfd7 10.0-0 Nb6 11.Nbd2 N8d7=.

7.d4 e4 8.d5 Bd7 9.Nd4 Na6 10.a3 0-0 11.Be2 Qe8+=.

7.Be2 0-0 8.0-0 Nfd7 9.Nc3 Nb6 10.a4 a5 11.b5 N8d7=.

7.Be2 0-0 8.0-0 h6 9.Nbd2 a5 10.Qc2 ab4 11.d4 e4 12.Ne1 c5 13.d5 Bd7 14.Nb3 b6 15.f3 Qe8 16.fe4 Ne4 17.Bd3 Qg6 18.Be4 fe4 19.Rf8 Kf8 20.Qf2 Kg8 21.Nc2 Bf5 22.Rf1 Bg4 23.a3 ba3 24.Na3 Bd7 25.Ra1 Bf6 26.Bf6 Qf6 27.Qf6 gf6 28.Nc2 Ra1 29.Nba1 Na6 30.Kf2 Kf7 31.Kg3 Kg6 32.Kf4 Ba4 33.Na3 Nb4 34.Ke4 f5 35.Kf3 Nd3 36.Ke2 Ne5 37.h3 h5 38.Kd2 Kg5 39.N1c2 f4 40.Kc3 fe3 41.Ne3 Kf4 42.Nf1 h4 43.Nb1 b5 44.Nbd2 b4 45.Kb2 Bd1 46.Kc1 Be2 47.Kc2 Bc4 48.Nc4 Nc4 49.Kb3 Ne3 50.Ka4 Nf1 51.Kb5 b3 52.Kc6 Ne3 53.Kd6 Nd5 54.Kd5 b2 55.Kc5 b1Q 56.Kd4 Kg3 57.Ke5 Kg2 58.Kd4 Kh3 59.Ke5 Kg4 60.Kd4 Qe1 61.Kd3 ½–½. oldi62 – picu682002, internet, 2014.

7.Be2 a5 8.b5 0-0 9.0-0 Bd7 10.Nc3 Qe8 11.d4 e4=.

7.Be2 Na6 8.d4 Nb4 9.Qa4 Nc6 10.d5 Nd5 11.cd5 Bd5+/-.

7.Be2 Qd7 8.Ng5 0-0 9.0-0 a6 10.Nc3 a5 11.b5 Re8+=.

7.Be2 Ng4 8.d4 d5 9.cd5 Bd5 10.Qa4 Qd7 11.Qd7 Nd7=.

5.d4 Nc6

6.b5+/- Nb8 7.de5 Ng4 8.ed6+- Qd6 9.Qd6 cd6 10.h3 Ne5 11.f4 (11.Nc3 Be6 12.Nd5 Bd5 13.cd5 Nbd7+-) 11...Ned7 12.Nd2 (12.Nc3 Nf6+-) 12...Nc5+/- 13.Ngf3 Nbd7 14.Be2 h6 (14...Be7 15.g4 0-0 16.gf5 Rf5 17.Rg1+/-) 15.Kf2 (15.Nh4 Nb6+-) 15...Kf7 16.Nd4 Nf6 17.Rag1 (17.Rhd1 g5+/-) 17...b6 (17...a6 18.Ra1+/-) 18.g4 fg4 19.hg4 Bb7 (19...Ng4 20.Kg3 (20.Rg4?! Bg4 21.Bg4 Nd3 22.Ke2 Nb2=) 20...Nf6 21.Bf3+/-) 20.Rh3 (20.Nc6 Be7+-) 20...Be7 (20...a6 21.ba6 Ra6 22.a3+/-) 21.g5 (21.Nf5!?+-) 21...hg5+= 22.Rh8 Rh8 23.fg5 Nfe4 24.Ke1 Nd2 25.Kd2 Be4 (25...Bg5 26.Nf5 Kg6 27.Nd6=) 26.Rg4 (26.Nc6!? Rh2 27.g6 (worse 27.Na7 Bf3 28.Re1 Bg5=+; 27.Ne7?! Bd3 28.Re1 Ke7+=) 27...Kf8 28.Rf1 (28.Na7? Bd3 29.Rh1 Re2 30.Kd1 Kg8-+; 28.Ne7?! Bf3 29.Re1 Ke7+=) 28...Bf6 29.Bf6 (29.Na7? Bd3 30.Bf6 Re2 31.Kd1 Ra2 32.Be7 Ke7 33.Nc6 Ke8-+; worse 29.Rf6 gf6 30.Kd1 Bb1-+) 29...gf6 30.Rf6 Kg7 31.Rf4+=) 26...Rh2 27.Ke1 (27.Ba3 d5+=) 27...Kg6 28.Nc6 Bg5 29.Bg7 (29.Na7? Bd3 30.Bf3 Rb2-+) 29...Bd3 30.Bf3 Kf5 (30...Bc4 31.Rc4 Kg7=) 31.Bd4 (31.Nd4 Kg6 32.Bg2 Bc4+/-) 31...Ne4 (31...Bh4!? 32.Rh4 Rh4 33.Na7 Bc4=+) 32.Be4 (32.Bb6 Bh4 33.Rh4 Rh4 34.Nd4 Ke5 35.Ba7 Rh2 36.Be4 Be4+/-) 32...Be4+= 33.Rg1 (33.Rg5!? Kg5 34.Na7+=) 33...Ra2 (33...Bf3 34.Rg5 (34.Na7?? Bh4 35.Rg3 Bg3 36.Kf1 Rh1) 34...Kg5 35.Na7 Re2 36.Kf1 Ra2 37.Nc8=) 34.Nb4 (34.Rf1 Kg6 35.Nb4 Ra4=) 34...Bh4 (34...Ra4 35.Rf1 Ke6 36.Bc3 Be3 37.Ke2=+) 35.Kd1=+ Ra4 (35...Bf3 36.Kc1 Ra4 37.Bc3=+) 36.Bc3 Ra3 (36...Bg5 37.Kd2=) 37.Kd2 (better 37.Rf1 Kg5 38.Bf6 Kh5 39.Rf4 Bf6 40.Re4+=) 37...Rb3?? (37...Bg5!?=) 38.Rf1 (better 38.Nc2 Rc3 39.Nd4 Ke5 40.Kc3+-) 38...Ke6?? (better 38...Kg5+/-) 39.Rf4+- d5 (39...Bg3 40.Re4 Kf5 41.Rd4+-) 40.Rh4 Kd6 41.Rh6 Ke7 42.Nd5 (better 42.cd5!? Kd7+-) 42...Bd5 43.cd5 Rb5 44.d6 (44.e4 a5+-) 44...Kd7 45.e4 a5 (45...a6 46.e5 Rc5 47.Rh7 Ke6 48.Re7 Kf5 49.d7 Rd5 50.Ke3 Rd7 51.Rd7 Ke6 52.Rd6 Ke7 53.Be1 Kf8 54.Bh4 Ke8 55.e6 Kf8 56.e7 Kf7 57.Rd8 Kg6 58.e8Q Kg7 59.Bg5 b5 60.Rd7) 46.e5 Rd5 47.Kc2 (better 47.Ke3 Rd1+-) 47...Kc6 (47...Ke8 48.Rh8 Kf7 49.Rh7 Kg6 50.Re7+-) 48.Rh7 b5 49.Rc7 (49.Ba5 Rc5 50.Kb3 Re5+-) 49...Kb6 50.Rc8 (better 50.Be1!? b4 51.Bf2 Kb5 52.Rc5 Rc5 53.Bc5 Kc6+-) 50...b4 51.Bb2 (51.e6 Rd6 52.e7 Re6 53.Bd4 Kb5 54.Rc5 Ka6+-) 51...a4 52.Rb8 (52.e6 Rd6 53.e7 Re6 54.Bd4 Kb5 55.Rc5 Ka6+-) 52...Kc5 53.Ra8 a3 (53...Kb5+-) 54.Ra5 Kc4 55.Rd5 b3 56.Kb1 a2 (56...Kd5 57.d7 ab2 58.d8Q Ke5 59.Kb2 Ke6+-) 57.Ka1 Kd5 58.d7 Kc4 (58...Kc6 59.d8Q Kb5 60.e6 Kc5 61.e7 Kb5 62.e8Q Kb4 63.Qd6 Kc4 64.Qec6) 59.d8Q Kb4 (59...Kc5 60.Qd6 Kc4 61.e6 Kb5 62.e7 Kc4 63.Qa6 Kc5 64.e8Q Kb4 65.Qab5) 1-0. zembelek (2110) - kraftmeier (2265), Rated Blitz game, lichess.org, 2013.

6.b5+/- ed4

7.bc6 de3 8.cb7 ef2 9.Kf2 Bb7 10.Bf6 (10.Qa4!? Kf7 11.Nf3+/-) 10...Qf6+= 11.Nf3?? (better is 11.Nd2 Qh4 12.Ke2 Qe7 13.Kd3+=) 11...Qa1–+ 12.Qa4 (12.Qb3 Bc6–+) 12...c6 (12...Kd8 13.Be2–+) 13.Bd3 Qb2 14.Qc2 (14.Nbd2 Qb6 15.Kg3 g6–+) 14…Qc2 (15.Bc2 g6–+) 0–1. kamera (1650) – pade (1865), GameColony.com, 2002.

7.bc6 de3 8.Qe2 bc6 9.Qe3 (9.fe3?! Be7 10.Nf3 0-0+=) 9...Be7? (better 9...Kf7!? 10.Nf3 Rb8+/-) 10.Bf6+- gf6 11.Qg3 (11.Nf3 d5 12.Bd3 0-0+-) 11...Be6 12.Nd2 Qb8? (12...d5 13.Ngf3 Rg8 14.Qh4+/-) 13.Qb3 (13.Rb1 Qc8+-) 13...Qc8 14.Ngf3 c5 15.Bd3 Rg8 16.g3 Rb8 17.Qc2 Kf7 18.Nh4 f4 19.Bh7 Rg7 20.Bg6 Kf8 21.Ndf3 (21.0-0 Rb4+-) 21...Bg4? (21...Qa6 22.Bd3 Rb4+-) 22.Bf5 Qb7 23.Be4 (23.0-0!? Bf3 24.Rab1 Qa8 25.Rb8 Qb8 26.Nf3 c6+-) 23...Qb4 (23...Qb2 24.Kd2 Qc2 25.Kc2 Be6 26.Ng6 Kg8 27.Nf4 Bc4+-) 24.Qd2 (better 24.Nd2 Qa3 25.Ng6 Rg6 26.Bg6+-) 24...Qc4+/- 25.Bd5 Qb5 26.Qf4 Qb2?? (26...Re8 27.Nf5 c6 28.Bc4 (28.Ng7?! Bd8 29.Ne8 Ba5 30.Kd1 Qd3 31.Kc1 Qc3 32.Kb1 Qd3 33.Kb2 Qc3 34.Kb1 Qd3 35.Kb2 Qc3 36.Kb1=) 28...Qb4 29.Nd2+/-) 27.Qc1 (better 27.0-0 Qc2 28.Rfe1+-) 27...Qb4 28.Qd2 Qa3?? (better 28...Bd7+-) 29.0-0 Rb4 (29...Rh7+-) 30.Qh6 (30.Qh6 Ke8 31.Qg7 Qb2 32.Ng6 Qf2 33.Rf2 Rb1 34.Rb1 Kd7 35.Qe7 Kc8 36.Qe8) 1-0. zembelek (2105) - Alicia75 (2260), Rated Classical tournament, lichess.org.

7.bc6 de3 8.Qe2 Qe7 9.Qe3 Qe3 10.fe3 Ng4 11.cb7 Bb7+/-.

6.b5+/- Ne7

7.de5 Ne4 8.Nc3+/-.

7.de5 Ne4 8.ed6 Ng6 9.Nc3 Bd6 10.Ne4 fe4 11.Bc3 (11.Bg7 Bb4 12.Ke2 Be6+/-) 11...0-0 (11...Qe7 12.Ne2+=) 12.Qc2 (better 12.Qd5!? Kh8 13.Qe4+/-) 12...Qh4+= 13.Ne2?? (13.Rd1 Bc5 14.g3 Qe7+=) 13...Ne5?? (better 13...Qf2 14.Kd2 Rd8-+) 14.Ng3 Exerts pressure on the isolated pawn (better 14.Nf4 Ng4 15.g3+/-) 14...Bf5?? (14...Ng4 15.c5 Nf2 16.Bc4 Kh8 17.cd6 Nh1 18.Qe4 Qe4 19.Ne4+/-) 15.0-0-0 (better 15.c5+-) 15...Nd3= 16.Kb1 Bg6 17.Ne4?? (better 17.f4=) 17...Nf2-+ (17...Be4 18.Bd3 Rf2 19.Qb3+=) 18.Rd6 (18.Rd4 Be4 (worse 18...Ne4 19.Bd3 Rae8 20.Be1-+) 19.Re4 Ne4-+) 18...Be4 (better 18...cd6 19.Bd3 Nd3 20.Nd6-+) 19.Rd7 (19.Bd3 cd6 20.Be4 Ne4-+) 19...Rf7 (19...Bc2 20.Kc2 Rf7 21.Rd4-+) 20.Rf7 (20.Bd3 Rd7 21.Be4 Ne4 22.Bd4-+) 20...Kf7 21.g3 (21.c5 Bc2 22.Kc2 Nh1-+) 21...Qe7 (better 21...Bc2 22.Kc2 Qe4 23.Kd2 Qh1 24.Ke2 Qh2 25.Kf3-+) 22.Kb2 (22.Bg2 Bc2 23.Kc2 Nh1 24.Bb7-+) 22...Bc2 (22...Bh1?! 23.Qf2 Kg8 24.Bd3-/+) 23.Rg1 (23.Bg2 Nh1 24.Bd5 Kg6 25.Kc2 Qe3 26.Bh1 Qe2 27.Kb3 Qd1 28.Kb2 Qh1 29.c5 Re8 30.Bd4 Re2 31.Kc3 Qc1 32.Kb3 Qc2 33.Ka3 Qb1 34.Bb2 Rb2 35.h3 Qa2) 23...Be4 (better 23...Nd1!? 24.Kc2 Qe3 25.Bd3 Qg1 26.Bd2-+) 24.Be2 Nd3 25.Bd3 Bd3 26.Kb3 a6 27.a4 ab5 28.cb5 Bb5! 29.ab5 Qa3 30.Kc4 Ra4 31.Kd3 Qd6 (31...Qb3 32.Rf1 Kg8 33.Ra1 Ra1 34.e4 Qb5 35.Ke3 Qc5 36.Bd4 Qa3 37.Kf4 Qd6 38.Kf3 Qd4 39.Kg2 Qe4 40.Kh3 Qf5 41.g4 Ra3 42.Kh4 g5 43.Kh5 Qg6) 32.Bd4 c5! 33.bc6 bc6 (33...Qg6 34.e4 Qd6 35.Rf1 Kg6 36.Kc2 Qd4 37.Rf8 Ra2 38.Kb3 Rb2 39.Ka3 Qb4) 34.Rf1 Kg6 35.Rc1 Ra3 36.Ke2 (36.Rc3 Rc3 37.Kc3-+) 36...Qd5 37.Rc3 Ra2 38.Kd3 Qf5 39.e4 Qb5 (39...Qf1 40.Ke3 Qf2 41.Kd3 Qe2) 40.Ke3-+ Qe2 41.Kf4 Ra7 (41...Qf1 42.Rf3 Qc4 43.Rf2 Qf7 44.Ke5 Qc7 45.Ke6 Ra8 46.Rf6 gf6 47.Bf6 Re8 48.Be7 Re7) 42.Ke5?? (better 42.Rc6 Kf7 43.Ba7 Qf1 44.Ke5 Qb5 45.Kd6 Qd3 46.Kc7 Qe4 47.Rd6-+) 42...Re7 43.Kd6 Qe4 44.Kc5 Qd5 45.Kb6 (45.Kb4 Rb7 46.Bb6 Rb6 47.Ka4 Ra6 48.Kb4 Qb5) 45...Rb7! 46.Kb7 Theme: Deflection from c5 46...c5 Theme: Double Attack 47.Kb6 cd4 48.Rc6 (48.Rc6 Qc6 49.Kc6-+). zembelek (2100) - pridoni (2135), Rated Blitz game, lichess.org, 2014.

5.d4 ed4

6.ed4 a5 7.b5 d5 8.a3 Be6 9.c5 Nbd7 (9...Be7 10.Bd3+=) 10.Nh3+= Bf7 11.Qe2 Be7 12.Qc2 b6 (12...Ne4 13.f3 Ng5 14.Ng5 (worse is 14.Qf5 Be6 15.Qd3 Nh3 16.gh3 Bh4 17.Kd1 0-0+=) 14...Bg5 15.Qf5+=) 13.c6+/- Nf8 14.Qf5 Bd6 15.Ng5 (15.Nc3 Qe7 16.Kd2 Be6+=) 15...Qe7+= 16.Be2 Bg6 17.Qh3 Bf4 18.Nf3 Bh5 19.Nc3 (better is 19.Ng1!?+=) 19...Bg4+= 20.Nd5 Bh3 21.Ne7 Bg2 22.Rg1 Bf3 23.Bf3 Ke7 24.Rg7 Kd6 25.a4 Ng6 (25...Nd5 26.h4+=) 26.d5 Rhe8 27.Kd1 (27.Kf1 Ne4 28.Rh7 Nd2 (28...Kd5? 29.Re1+-) 29.Kg2 Nc4=) 27...Ne4= 28.Ba3 Kd5 29.Kc2 ½–½. Wantoch_Rekowski,Jacek (2245) – Ott,Peter (2205), WS/M/147 ICCF, 2008.

6.ed4 Nbd7 7.Nf3 b6 8.b5 Bb7 9.Be2 Be7 10.0-0 0-0 11.d5 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Nc5 15.Nbd2 Nfe4 16.Nd4 Bf6 17.Ne4 fe4 (17...Ne4? 18.Ne6 Qb8 19.Nf8 Qf8 20.Bf6 Qf6 21.Bd3+-) 18.Nc6 Bc6 19.bc6 Ba1 20.Qa1 Qf6 21.f3 ef3 22.Bf3 Qg5 23.Qa7 (23.Qd4 Nb3 24.Qc3 Nd2=) 23...Nd3 (23...Qe3!? 24.Kh1 Ne4–+) 24.h3+= (24.Qc7?? Qe3 25.Kh1 Nf2 26.Kg1 Nh3 27.Kh1 Qg1 28.Rg1 Nf2) 24...Qe3 25.Kh2 Qe5 26.Kh1? (26.Kg1 Qd4 27.Kh2 Nf2 28.Qc7 Qe5 29.Kg1 Ng4 30.Bg4 Qd4 31.Kh2 Qe5 (31...Rf1?? 32.Be6 Kh8 33.Qd8 Rf8 34.Qf8) 32.g3 Qb2 (32...Rf1 33.Be6 Qe6 34.de6+-) 33.Kg1 Qd4 34.Kg2 Qd2 35.Kg1 Qd4 36.Kg2 Qd2 37.Kg1 Qd4=) 26...Qe7?? (better is 26...Nf2! 27.Rf2 Qe1 28.Kh2 Qf2 29.Qc7 Rf3 30.Qd6 Rf6–/+) 27.Qa1 Ne5 28.Re1 Qg5 29.Be2 Rf2 30.Qa8 Kf7 31.Bf3 Qd2 32.Qd8?? Qe1 33.Kh2 Nf3 34.Kg3 Re2 35.Kf3 Qf2 36.Kg4 Re4 37.Kh5 Re5 38.Kg4 Qg2 39.Kf4 Qe4 40.Kg3 Qe3 41.Kg2 Rg5 42.Kh2 Qf2 43.Kh1 Rg1 0–1. typ48 – niemy25, internet, 2013.

6.ed4 g6 7.Nf3= Bg7 (7...d5 A) 8.b5 Bb4 9.Nc3 0-0 10.Be2 Be6 11.c5 Ne4 12.Qb3 Bc3 13.Bc3 a6; B) 8.Qa4 Bd7 (8...Nbd7 9.Be2 dc4 10.0-0 c6 11.Re1 b5 12.Qa3 Be7 13.Qe3 Ng4) 9.b5 Qe7 10.Ne5 Qb4 11.Qb4 Bb4 12.Nc3 Be6 13.a3 Bc3; C) 8.c5 Bg7 9.Nc3 Ne4 10.Qa4 Nc6 11.b5 Ne7 12.Bd3 0-0 13.0-0 Be6; D) 8.a3 Nc6 (8...Bh6 9.Bd3 Qe7 10.Qe2 Qe2 11.Ke2 Be6 12.c5 Nc6 13.Nc3 Ne4; 8...Bg7 9.Bd3 Nc6 10.0-0 0-0 11.Nbd2 Be6 12.Ng5 Re8 13.Re1 Qd7) 9.Nbd2 Bh6 10.b5 Qe7 11.Be2 Nd8 12.0-0 0-0 13.Re1 Be6) 8.Bd3 (8.Be2 Ne4 (8...0-0 9.0-0 Re8 10.Nc3 Ne4 11.Re1 Nd7 12.Bd3 Ndf6 13.Qc2 c6) 9.0-0 0-0 10.Nbd2 Re8 11.Re1 Nd7 12.Bd3 Ndf6 13.Qc2 Nd2; 8.Nc3 0-0 9.Be2 Ne4 10.0-0 Nc6 11.b5 Na5 12.Qc2 Re8 13.Rfe1 a6) 8...Qe7 9.Qe2 (9.Kf1 Nc6 10.b5 Nd8 11.Nc3 0-0 12.g3 f4 13.Kg2 Bg4) 9...Qe2 (9...Nc6 10.a3 Qe2 11.Be2 Ne4 12.b5 Na5 13.Nbd2 0-0) 10.Ke2 (10.Be2 Nc6 11.a3 Ne4 12.b5 Na5 13.Nc3 Be6) 10...0-0 (10...Nc6 11.a3 0-0 12.Nc3 Re8 13.Kf1 a6) 11.Re1 (11.Nc3 Nc6 12.a3 Re8 13.Kf1 a6) 11...Re8 (11...Nc6 12.a3 Nh5 13.Kf1 Nf4) 12.Kf1 Re1 13.Ke1 (13.Ne1 d5) 13...Na6 (13...Nc6+=) 14.a3 Bd7 15.b5 Re8 16.Kf1 Nb8 17.Nc3 Kf8 18.Re1 Be6 19.d5 Bg8 20.Re8 Ne8 21.Nd1 Nd7 22.Bg7 Kg7 23.Nb2 Kf6 24.Ke2 a5 25.Nd4 Ng7 26.g3 Nc5 27.Ke3 Bf7 28.f4 h6 29.Bc2 ½–½. Colomer Camarasa,Jordi (1945) – Deleyn,Gunter (2220), Figueres ESP, 2011.

6.ed4 c6

7.a4 Qe7 8.Be2 g6 9.Nf3 Bg7 10.0-0 0-0 11.Nc3 Ne4. Bakker – Monte, 1976.

7.Nf3 Be7 8.Bd3 0-0 9.0-0 Nbd7 10.Bf5 Nb6 11.Bc8 Rc8 12.Nbd2 d5 13.c5 Nbd7 14.Qe2 Nh5 15.g3 g6 16.Rae1 Bf6 17.Qe6 Kg7 18.Qg4 b6 19.Re6 bc5 20.bc5 Nc5 21.Re3 Nd7 22.Rb3 Nb6 23.Re1 Rc7 24.Ne5 Re8 25.Nd3 Rce7 26.Re7 Qe7 27.Nf3 Nc4 28.Nc5 Kh8 29.Nd7 Qe2 30.Nfe5 Qe1 31.Kg2 Nd2 32.h4 Qf1 33.Kh2 Qf2 34.Kh3 Be5 35.de5 Nb3 36.Nf6 Qb2 37.Qd7 Nf6 38.ef6 Rg8 39.f7 Qg7 40.fg8Q Kg8 1–0. Hirt – Lehnert, corr 1988.

6.ed4 d5

7.a3 c6 8.Nf3 Bd6 9.c5 Bc7 10.Nc3 0-0 11.Bd3 Ne4 12.0-0 Nd7 13.Qc2 g5 14.Rae1 g4= 15.Nd2 Qh4 16.g3+= Qh3 17.Re3 Ndf6 18.Rfe1 Qh5 19.R3e2 Bd7 20.a4 Rf7 21.b5 Ng5 22.bc6+= bc6 23.Qb3 Rb8 24.Qc2 Nf3 25.Nf3 gf3 26.Rd2? Ng4–+ 27.h4 f4 28.Nd5 cd5 (29.c6 Be8–+; 28...Qd5 29.Bc4 Rb2 30.Bd5 Rc2 31.Bf7 Kf7 32.Rc2 fg3 33.fg3 Bg3 34.Rf1 f2 35.Kg2 Bh4 36.Rc3–+) 0–1. Woschkat,Karl_Heinz – Faner,Frederic, compuserve, 1997.

7.a3 Bd6 8.Qe2 Kf7 9.Nf3 =.

7.c5 Be7 8.Nf3 0-0 9.Bd3 (9.Be2 b6 10.0-0 a5 11.a3 Re8 12.Ne5; 9.Bb5 b6 10.0-0 a5 11.a3 ab4 12.ab4) 9...c6 (9...Ne4 10.0-0= Be6 11.Ne5 Nd7 12.f3; 9...a5 10.b5 Ne4 11.0-0 Bf6 12.Nc3) 10.0-0+= Ne4 (10...b6 11.Re1 a5 12.Qa4) 11.Ne5 Nd7 12.f3 Ne5 13.de5 Ng5 14.Qc2 h6 (14...a5 15.a3=) 15.Nd2+= Qe8 16.Nb3 Qg6 17.Kh1 Ne6 18.f4 Bd7 19.Rae1 Rae8 (19...Rad8 20.Re3+=) 20.Re3 Bd8 (20...Rd8 21.Nd4 Nd4 22.Bd4+/-) 21.Rg3+/- Qf7 22.Rh3 (22.Nd4 Nd4 23.Bd4 Be6+/-) 22...h5 (22...b6 23.cb6 Bb6 24.a4+=) 23.Be2 (23.Nd4 Nd4 24.Bd4 h4+/-) 23...g6 (23...h4 24.Nd4+/-) 24.Qd1 (24.Nd4 b6+/-) 24...Re7 (24...b6 25.cb6 ab6 26.b5+/-) 25.Bc1 Qe8 26.Rhf3 Rg7 27.R3f2 Kf7 28.g3 Rh8 29.Rg2 Kg8 30.Bd3 Qf7 31.Kg1 Kf8 32.Qc2 Rgh7 33.h3 Ng7 34.Nd4 a6 35.Rff2 Ne6 36.Nb3 Ng7 37.Kf1 Ke8 38.Be3 Be6 39.Nd4 Qd7 40.Ke2 Rf8 41.Kd2 Be7 42.a3 Kd8 43.Qa4 Rfh8 44.Kc1 Bf7 45.Ba6 ba6 46.Qa6 Ne6 47.Nc6 Ke8 48.Rc2 Nc7 49.Qb7 Be6 50.Rgd2 Kf7? 51.a4 Qc8? 52.Qa7 Qd7 53.Qb7 Qc8 54.Qc8 Rc8 55.b5 h4 56.Ne7 Ke7 57.gh4 Rh4 58.c6 Rh3 59.Bc5 Kf7 60.Bd6 Rb3 61.Rb2 Rb2 62.Rb2 Na8 63.a5 d4 64.Kd2 Bd5 65.Rc2 Be4 66.Rc4 Ke6 67.Rd4 Rh8 68.Kc3 Rh1 69.Ba3 Rh3 70.Kb4 Bd5 71.Bc1 Rb3+/- 72.Ka4 Rb1 73.Bd2 Nc7+= 74.a6 Nb5+= 75.Rb4 Rb4 76.Kb4= Bc6 77.Kc5 Be8 78.Kb6 Kd5 79.a7 Na7 80.Ka7 ½–½. Grebenshikov,V (2305) – Rysbayeva,Aigerim (2170), Dimitrov IM–A, 2007.

6.ed4 Qe7

7.Qe2 Nc6 8.a3 Bd7 (8...d5 9.Nh3=) 9.b5 (9.Nf3 d5+=) 9...Na5= 10.Qe7 (10.Nd2 d5=) 10...Be7 11.Nd2 Be6 (11...d5 12.c5 Ne4 13.Ngf3=) 12.Bc3+= b6 13.Ba5 ba5 14.Bd3 d5 (14...a6 15.ba6 Ra6 16.Rb1+=) 15.c5 c6 (15...0-0 16.Ne2+=) 16.a4 (16.bc6 Rb8+-) 16...Ne4 17.f3 Nd2 18.Kd2 Kf7 (18...Bf6 19.Ne2+/-) 19.Ne2 (19.f4 Rhc8+-) 19...g5 20.Ng3 Kf6 (20...Bf6!? 21.Kc3 f4 22.Nf5 Bf5 23.Bf5+-) 21.Rae1 f4 22.Ne2 (22.Nh5!? Kf7+-) 22...Bd7 23.Nc3 Rhe8 (better 23...Rad8+-) 24.h4 g4 (24...Bf8 25.bc6 Bc6 26.Bb5 Bb5 27.ab5 (27.Nd5?! Kf5 28.ab5 Bc5+-) 27...Re1 28.Re1+-) 25.Bh7 Rh8 26.Bd3 gf3 27.gf3 Kf7 (27...Rag8 28.h5+-) 28.h5 Rh6 (28...Bf6 29.bc6 Bc6 30.Bb5 Bb5 31.Nb5+- (31.ab5 Bd4 32.c6 Bc3 33.Kc3 a6+-)) 29.Bg6 Kf6 (29...Kf8+-) 30.Re7 (better 30.bc6 Bc6 31.Rh4+-) 30...Ke7 31.Rh4 (31.Re1!? Kd8+-) 31...Rf8 32.Ke2 (32.bc6 Bc6 33.Rg4 Kd7+-) 32...Rf6 33.Bd3 (33.bc6 Bc6 34.Rg4 Rh8+-) 33...Kd8 (33...Rh8 34.bc6 Bc6 35.Kd2+/-) 34.Kf2 (34.Kd2+-) 34...Kc7 (34...Bf5!? 35.Bf1 Bd7 36.bc6 Bc6+/-) 35.Ne2+- Bf5 36.Nf4 Bd3 37.Nd3 cb5 38.ab5 a4 39.Nb4 Rf5 40.Ke3 (better 40.Rg4 Rh7 41.h6+-) 40...Rhh5+= 41.Rh5 (41.Rg4!? Rh7 42.Nd3+=) 41...Rh5= 42.Kf4 (42.Kd2 Kd7=) 42...a3=+ 43.Kg4? (better 43.Ke3=+) 43...Rh2-+ 44.Nd5 Kb7 45.c6 Kc8 46.Ne7 Kc7 (46...Kd8 47.c7 Kc7 48.Nd5 Kb7 49.Nb4-+) 47.Nd5 Kd6 48.c7 Kd7 49.b6 ab6 50.Nb6 Kc7 51.Nd5 Kb7 52.Nb4 Rb2 53.Nd3 a2 (better 53...Rb1 54.Nc5 Kc8 55.f4-+) 54.Nb2 1-0. zembelek (2100) - tarn (2080), Rated Blitz game, lichess.org, 2013.

7.Be2 Be6 8.d5 Bf7 9.Nf3 Nbd7 10.0-0 0-0-0 11.Nc3 Re8 12.Re1 Bh5 13.a4 g6 14.Ng5 Be2 (14...Bh6 15.Ne6 Ne5 16.Bh5 gh5+-) 15.Re2+- (15.Ne2?! Bg7+/-; 15.Qe2?! Qe2 16.Ne2 Be7+=) 15...Qd8?? (15...Ne5 16.f4 h6 17.fe5 de5+-) 16.Nf7 (16.Nf7 Re2 17.Qe2+- (17.Nd8?! Rb2 18.Nf7 Rg8+-; 17.Ne2?! Qe7 18.Nh8 Bg7+-)) 1–0. fjanusz52 – 13posterunek, internet, 2013.

6.ed4 Be7

7.Nd2 0-0 8.c5 dc5 9.Bc4 Kh8 10.bc5 Nc6 11.Ne2 Na5 12.0-0 Nc4 13.Nc4 b6 14.cb6 cb6 15.Ne5 Bb7 16.Ng3 f4 17.Nf5 Rc8 (17...Bb4!?=) 18.Qa4 Ne4 19.Qa7 Rf5 20.Qb7 Ng5 (20...Nd6!? 21.Qf3 Nc4 22.Nc4 Rc4+/-) 21.h4 Nf7 22.Qe4 Nd6 23.Qd5 (better is 23.Qf5! Nf5 24.Nf7 Kg8 25.Nd8 Rd8 26.Rad1+-) 23...Qf8 24.Ba3 Rd8 25.Qf3 Bf6 (25...Nb5 26.Be7 Qe7+-) 26.Nc6+- Rc8 27.Rac1 Ra8 28.Bd6 (28.Bb4!? Bd8 29.Rfe1 Rf6+-) 28...Qd6+/- 29.Ne5 Rf8 30.Rc6 1–0. typ48 – niemy25, internet, 2013.

7.Bd3 0-0 8.Nf3 Nbd7 9.0-0 Ne4 10.Re1 Ndf6 11.Nc3 Nc3 12.Bc3 Bd7 13.Qc2 Ng4 (13...d5 14.Ne5 Ne4 15.cd5 Nc3 16.Qc3+/-) 14.h3+- Nh6 15.c5 (15.Bd2 c5+-) 15...c6 16.a4 a6 17.d5 (17.Re2!? Bf6+/-) 17...dc5 (17...cd5!? 18.Qb3 dc5 19.Qd5 Nf7 20.bc5 Bc6 21.Qf5 Ng5 22.Bc4 Kh8 23.Bg7 Kg7 24.Re7 Qe7 25.Qg5 Qg5 26.Ng5 Rf5 27.Ne6 Kh8+=) 18.dc6 Bc6 19.Bc4 Kh8 (19...Nf7 20.Ne5 Be4 21.Nf7 Rf7 (21...Bc2?? 22.Nd8 Rf7 23.Re7 Rd8 24.Rf7+-) 22.Bf7 Kf7 23.Qa2 Bd5+-) 20.Rad1+- Qc7? (better 20...Qe8 21.Qb2 Rf6 22.Bf6 gf6 23.bc5 Bf3 24.gf3 Rb8+-) 21.Be5 Qc8 22.Bg7! Kg7 23.Re7 Kf6 (23...Rf7 24.Bf7 Nf7+-) 24.Rh7 (24.Qc3 Kg6 25.Qg7 Kh5 26.Qg5) 24...Kg6+- 25.Rd6 (25.Rd6 Qe6 26.Re6 Kh7 27.Ng5 Kg7 28.Qc3 Rf6 29.Qf6 Kg8 30.Re8) 1-0. sinjoor1 (2380) - bobby fissure (2185), ChessWorld.net, 2019.

7.Nf3 0-0 8.Bd3 Nc6 9.a3 Ne4 10.d5 Nb8 11.0-0 Bf6 12.Qc2 Bb2 13.Qb2 Nd7 14.Re1 Ndf6 15.Nbd2 Nd2 16.Qd2 b6 17.Nd4 Bd7 (17...Ng4 18.Nc6 Qf6 19.Qf4+/-) 18.Ne6 Be6 19.Re6 Re8 20.Bf5 Re6 21.Be6 Kh8 22.Re1 Qf8 23.h3 Re8 24.Qf4 h6 25.g4 Re7 26.g5 hg5 27.Qg5 Nh7 28.Qh5 Qf6 29.Re4 Qh6 30.Qh6 gh6 31.Rf4 Ng5 32.Rf6?? (better is 32.Bf5+-) 32...Kg7= 33.Rf4?? (better is 33.Rf5=) 33...Re6–+ 34.de6?? (better is 34.Kf1 Re8 35.Rg4–+) 34...Nh3 35.Kh2 Nf4 36.Kg3 Ne6 37.Kg4 Kg6 38.f4 Nd4 0–1. kaasparov – snoopy79, internet, 2013.

7.Nf3 0-0 8.Bd3 Re8 9.0-0 c6 10.Qc2 Ne4 11.Nc3 Nc3 12.Bc3 g6 13.Rae1 Na6 14.d5 Nc7 15.g4 Rf8 16.dc6 bc6 17.Nd4 Bh4 18.gf5 c5 19.fg6 cd4 20.gh7 Kh8 21.Bd4 Bf6 22.Bf6 Qf6 23.Re3 Bb7 24.Qd1 Ne6 25.Be4 Be4 26.Re4 Ng5 27.Rg4 Nf3 28.Kh1 Rf7 29.Qd5 Raf8 30.Rg8 Rg8 31.hg8Q Kg8 32.Rd1 Ne5 33.Rg1 Kh8 34.Rg2 Qf3 35.Qd6 Rg7 36.Qd5 Qg2 37.Qg2 Rg2 38.Kg2 Nc4 39.Kf3 Na3 40.Ke4 Nc2 41.b5 Na3 42.b6 ½–½. Woelfelschneider,Peter – Wittal, TRE 57., 2001.

6.Bd4 Nc6

7.Bc3 a6 8.Nf3 Ne4 9.a3 Nc3 10.Nc3 g6 11.Bd3 Bg7 12.Qc2 Ne5 13.Ne5 de5 14.e4 f4 15.f3 Qh4 16.Qf2 Qf2 17.Kf2 c6 18.Rhd1 Be6 19.Rac1 g5 20.Na4 Bf8 21.Nb2 (21.Nb6!? Rd8 22.c5+=) 21...c5+= 22.b5 ab5 23.cb5 Ra3 24.Ra1 (24.Bc4 Ke7=) 24...Ra1 25.Ra1 Kd7 26.Bc4 Bc4 27.Nc4 Bg7 28.Rd1 Kc7 29.Rd5 b6 30.Ne5 Be5 31.Re5 h6 32.Re7 Kc8 (32...Kd6!? 33.Rb7 c4 34.Rb6 Kc5=) 33.Re6 Kc7 34.Re7 Kc8 ½–½. Fournier,Frederic – Vinsot,Robin Gael, Ch Club, 1995.

7.Bc3 Be6 8.a3 Be7 9.Nf3 0-0! 10.Nd4 Bf7 11.Nc6 bc6 12.Be2 Ne4 13.Bb2 Bf6 14.Qc2 Bb2 15.Qb2 Qh4 16.0-0! Be6 17.g3 Qh3 18.Bf3 Rf6 19.Bg2 Qh5 20.Nd2 Rh6 21.h3 Ng5 22.h4 Rf8 23.Qd4 d5 24.cd5 Bd5 25.Bd5 cd5 26.Qd5 Kh8 27.Kg2 Ne6 28.Qf3 Qg6 29.Rac1 Rh4 30.Rh1 Rh1 31.Rh1 Ng5 32.Qh5 Qc6 33.Kg1 h6 34.f4 Qc1 35.Nf1 Ne4 36.Qf3 Rd8 37.g4 Rd1 38.Kg2 Qc2 39.Kh3 Nd2 40.Nd2 Rh1 41.Qh1 Qd2 42.Qf3 fg4 43.Kg4 Qd7 44.f5 Qa4 45.e4 Qa3 46.Qa3 1–0. vihavald – prodigymt (1685), internet, 2014.

7.Bc3 Be7 8.b5 Nb8 9.Nf3 0-0 10.Nbd2 Nbd7 11.Nb3 Ne4 12.Bb2 Nb6 13.a4 Nc4?? 14.Bc4+- (14…Kh8 15.0-0+-) 1–0. maxum – notyad, Live Game Caissa's Web, 2004.

6.Bd4 Be7

7.Nf3 0-0 8.Nbd2 Be6 9.Ng5 Qd7 10.Ne6 Qe6 11.Qc2 Nc6 12.Bf6 Bf6 13.Rb1 Be5 14.c5 Kh8 15.Bc4 Qh6 16.Nf3 Rf6 17.Ne5 de5 18.b5 Ne7 19.Qd3 Ng6 20.Bd5 c6 21.bc6 bc6 22.Bc4 f4 23.e4 Nh4 24.Qd7? Ng2 25.Ke2? f3–+ 26.Kf1 Rff8 27.Ba6?? Rad8 28.Qa7 Qd2 (29.Kg1 Qg5–+; 28...Ne3 29.fe3 Qh3 30.Ke1 f2 31.Ke2 Qf3 32.Kf1 Qh1 33.Ke2 f1Q 34.Rf1 Qf1) 0–1. maxum – notyad, Live Game Caissa's Web, 2004.

7.Nf3 Nc6 8.Bc3 0-0 9.b5 Nb8 10.Be2 Be6 11.0-0 h6 12.Nd4 Qd7 13.Ne6 Qe6 14.Nd2 Kh7 15.Nf3 Nbd7 16.Nd4 Qf7 17.Nf5 g6 18.Ne7 Qe7 19.Bf6 Qf6 20.Qd4 Qf7 21.Rad1 b6 22.Bf3 Rad8 23.Bd5 Qf6 24.Qf6 Rf6 25.e4 g5 26.Rfe1 Ne5 27.Re3 Rdf8 28.f3 Ng6? (better is 28...a5+/-) 29.Ra3+- g4 30.fg4 Ne5 31.h3 (31.Ra7 Rc8+-) 31...h5?? (better is 31...a5+-) 32.Ra7 Kh6 (32...hg4 33.Rc7 Kh6 34.hg4 Ng4 35.Rc6+-) 33.gh5 Rf2 34.Rc7 Ra2 35.Rf1 Re8 (35...Rf1 36.Kf1 Kh5+-) 36.c5 dc5 (36...Rb2 37.cd6 Rd8 38.Rf6 Kh5 39.Rf5 Kg6 40.Re5 Rd6 41.Bf7 Kf6 42.Rf5 Kg7 43.e5 Rb1 44.Kh2+-) 37.Ba2 1–0. typ48 – fkoppraha (1615), internet, 2013.

5.d4 Nbd7

6.a3 Be7 7.Qf3=.

6.a3 g6 7.Nf3 Bg7 8.de5 Ng4 9.e6 (9.Be2!?+=) 9...Bb2= 10.ed7 Bd7 11.Ra2 Bg7 12.h3 Ne5 13.Nbd2 (13.Ne5 Be5 14.c5 Qf6=+) 13...Be6 (13...Nf3 14.Nf3 Bc3 15.Nd2=+) 14.Ne5 (14.Nd4 Qe7=+) 14...de5 15.Nf3 (15.Nb3 Qd1 16.Kd1 0-0-0 17.Rd2 Rd2 18.Kd2 Rd8 19.Kc2 b6=+) 15...Qe7 16.Qc2 (16.Qa4 Bd7 17.Qa5 b6=+) 16...0-0 Black prepares f4 17.Be2 Rad8 18.0-0 e4 19.Nd2 f4 (19...a6 20.Rd1=+) 20.Ne4 (better 20.Qe4 fe3 21.Qe3+=) 20...Bf5-/+ 21.f3 fe3 22.Bd3 Be4 23.Be4 Rd2 24.Qb3 Bd4 25.Re1 Qh4 (25...c6 26.b5=+) 26.Re2 c5 (26...c6 27.b5=+) 27.Bd5 (27.Bb7 Rb8 28.Bd5 Kh8=) 27...Kg7 (27...Kh8 28.bc5 Bc5 29.Kh1=+ (29.Qb7?? Rd1 30.Re1 Qe1 31.Kh2 Bd6 32.f4 Bf4 33.g3 Qg3)) 28.Kf1 (28.bc5 Re8 29.Qb7 Kh6-+) 28...b6 (better 28...Qg3!? 29.Rad2 ed2 30.Rd2 Re8=) 29.Rad2+= ed2 30.Rd2 Qf4 31.Qd3 (31.Ke1!?=) 31...Qh2=+ 32.bc5 bc5 33.Qb3? (33.Ke1 Qg1 34.Qf1 Re8 35.Be4 Qe3 36.Qe2 Qa3-/+) 33...Qg1 (33...Rb8 34.Bb7 Qg1 35.Ke2 Qg2 36.Kd1 Qf1 37.Kc2-+) 34.Ke2-/+ Re8 35.Be4 Qg2 36.Kd1 Qf1 37.Kc2 Re7 38.a4 (38.h4!?-/+) 38...Qh3-+ 39.a5 a6 (39...Qf1 40.Rd1 Qe2 41.Rd2-+) 40.Qb6-/+ Re4 (40...Qd7 41.Bc6 Qf5 42.Be4-/+) 41.fe4 (41.Qb7 Kf6 42.Qe4= (worse 42.fe4 Qc3 43.Kd1 Qc4-/+)) 41...Qc3-/+ 42.Kd1 Qc4 43.Qc7 Kh6?? (better 43...Qf7 44.Qf7 Kf7-/+) 44.e5?? (44.Rh2 Kg5 45.Qe7 Bf6 46.Rg2 Kh6 47.Qf6 Qd3 48.Kc1 Qa3 49.Qb2 Qe3 50.Qd2 Qd2 51.Kd2+-) 44...Be3?? (44...Qb3 45.Ke2 Qe3 46.Kd1 Be5 47.Qe7 Qf3 48.Kc2 Qc3 49.Kd1 Qb3 50.Ke2 Qc4 51.Kd1 Qf1 52.Kc2 Qf5 53.Kd1 Qb1 54.Ke2 Qe4 55.Kd1 Qa4 56.Kc1-/+) 45.Qd6 (45.Rh2 Kg5 46.Qe7 Kf5 47.Qf6 Kg4 48.Rh4 Kg3 49.Rc4+-) 45...Qf1 (45...Bd2 46.Kd2 Qb4 47.Ke2 Qb5 48.Ke3 Qb3 49.Kf2 Qb2 50.Kf3 Qc3 51.Kf2-/+) 46.Kc2 Qf5 47.Rd3?? (47.Kc3 Bd2 48.Qd2 Qg5 49.Qd6 Qc1 50.Kb3 Qb1 51.Kc4 Qb5 52.Kd5 c4 53.Kd4-+) 47...c4 48.Kc3 (48.Qd7 cd3 49.Qd3 Kg5-+) 48...Qd3 (48...cd3 49.Qd3 Qe5 50.Kb3 Qe6 51.Kc3-+) 49.Qd3 cd3 50.Kd3 Bf4 51.Ke4 (51.e6 Kg7-+) 51...g5 (51...Be5!? 52.Kd5 g5 53.Ke5-+) 52.e6 Bd6 (52...Kg6 53.Kf3-+) 53.Kd5 Bb4 54.Kc4 Bf8 (54...Ba5?? 55.e7 Bd2 56.e8Q+-) 55.Kd5 (55.Kd3 Kg6-+) 55...g4 56.Kc6 (56.Ke4 Kg5 57.Ke3 Bc5 58.Ke4-+) 56...g3 57.Kb6 g2 58.Ka6 g1Q 59.Kb7 Qc5 60.a6 (60.Kb8 Bd6 61.Kb7 Qb5 62.Kc8 Qc6 63.Kd8 Qc7 64.Ke8 Qe7) 60...Qe7 (60...Bd6 61.a7 Qb5 62.Kc8 Qc6 63.Kd8 Qc7 64.Ke8 Qe7) 61.Kb8 (61.Kb6 Qe6 62.Kb7 Bc5 63.Kc7 Qd6 64.Kb7 Qd7 65.Kb8 Bd6 66.Ka8 Qc8 67.Ka7 Bc5) 61...Qe8 (61...Bg7 62.Ka8 Qc7 63.e7 Qc8 64.Ka7 Bd4) 62.Kc7-+ Bc5 63.Kb7 Qe6 64.a7 (64.Kc7 Qd6 65.Kb7 Qd7 66.Kb8 Bd6 67.Ka8 Qc8 68.Ka7 Bc5) 64...Qd7 65.Ka6 Qa7 (65...Qc6 66.Ka5 Qb6 67.Ka4 Qb4) 66.Kb5-+ Bd6 (66...Bd6 67.Kc6 Qc5 68.Kb7 Qb5 69.Kc8 Qc6 70.Kd8 Qc7 71.Ke8 Qe7; 66...Qb6 67.Kc4 Qb4 68.Kd5 Qd4 69.Kc6 Qd6 70.Kb7 Qd7 71.Ka6 Qc6 72.Ka5 Qb6 73.Ka4 Qb4) 0-1. zembelek (2105) - kraftmeier (2250), Rated Blitz game, lichess.org, 2013.

6.Qb3 Be7 7.Nd2 c6 8.a4 a6 9.Ngf3 e4 10.Ng5 Nb8 11.h4 (11.Be2 d5 12.c5 0-0=) 11...h6 (11...0-0 12.Be2=) 12.Nh3 0-0 13.Nf4 d5 14.b5 ab5 15.ab5 Ra1 16.Ba1 Bd7 (16...dc4 17.Bc4 (worse 17.Qc4 Nd5=+) 17...Kh7 18.bc6 Nc6 19.Ne6 Be6 20.Be6=) 17.Bc3 (better 17.cd5!? Kh7 18.dc6 bc6 19.Bb2+/-) 17...Kh7= 18.g3 Qe8 (18...dc4 19.Nc4 cb5 20.Ne5=) 19.h5 (19.bc6!? bc6 20.cd5 cd5 21.Nd5 Nd5 22.Qd5+=) 19...dc4= 20.Bc4 (better 20.Nc4 Qf7 21.bc6 Nc6 22.Nd2 Qb3 23.Nb3=) 20...Bd6?? (better 20...cb5 21.Be2 Bd6=) 21.Ng6 (21.bc6 Nc6 22.Ng6 Bc8+-) 21...cb5+/- 22.Nf8 Bf8 23.Bf7 Qe7 24.Bg6 Kh8 25.Ke2 (25.Qf7 Qd6+/-) 25...Nc6 26.Ra1 b4 27.Bb2 Be6 28.Qc2 (28.Qa4 Qd7+=) 28...Nd5 (28...Qd8 29.Qa4+=) 29.Ra8 (better 29.g4 fg4 30.Be4+/-) 29...f4?? (better 29...Nc7 30.Ra4 b3+=) 30.ef4 (30.Re8 Bg4 31.Kf1 fe3 32.Ne4 e2 33.Ke1 b3 34.Qb3 Qe8 35.Be8 Bb4 36.Nd2 Nf6+-) 30...e3? (30...Nc7 31.Ra1 Nb5 32.Kf1 Nbd4 33.Qe4+-) 31.Ne4 (31.Re8!? b3 32.Nb3 Qf6+-) 31...ef2 (31...Nc7 32.Ra1 b3 33.Qc1+-) 32.Kf2 (better 32.Qc5 Kg8+-) 32...b3? (better 32...Nc7 33.Ra1 Bd5+-) 33.Qc5 Kg8 34.Qe7 (34.Ba3 Qc5 35.Nc5 Nb6 36.Rf8 Kf8 37.Ne6 Kg8+-) 34...Nde7 (34...Nce7 35.Nc5 Bg4+-) 35.Nc5 Bd5 (35...Bc8 36.Bd3 Nb4 37.Bc4 Kh7 38.Nb3+-) 36.Be4 (better 36.Nd7 Kh8 37.Rf8 Ng8 38.Ne5+-) 36...Be4 37.Ne4 Kf7 (37...Nb4 38.Nc5 Ned5 39.Nd7 Nd3 40.Kf3+-) 38.Nd6 Ke6 39.Nb7 (39.Rf8?! Kd6 40.Rf7 Kd5+-) 39...Kf7 40.Nd6 Ke6 (40...Kg8 41.Nc4 Nd5 42.Ba3+-) 41.Ne4 (41.Nc4 Kf7+-) 41...Kf7 42.g4 (42.Nd2!? Nd5 43.Kf3 Bb4 44.Nb3 Ke7+-) 42...Nd5 43.Kf3 Be7 44.g5 (44.Nc5 Nb6 45.Ra6 Bc5 46.dc5 Nc4+-) 44...hg5 (44...Ncb4 45.g6 Ke6 46.Nc5 Kf5 47.Nb3 Nf4 48.Ra5 Nfd5 49.Ba3+-) 45.fg5 Nd8 (45...Bd8 46.g6 Ke6 47.Nc5 Kf5 48.h6 Kg6 49.hg7 Kg7 50.Ne6 Kf6 51.Nd8+- (51.Rd8?! Ke6 52.Ra8 Nc7+-)) 46.Ra7 Ne6 (46...Nc6 47.Rb7+-) 47.g6 (47.Rb7 Nef4 48.Nc3 Ke6+-) 47...Ke8 48.Kg4 (better 48.Nd2+-) 48...Nf6 (48...Ne3 49.Kg3 Kd8+-) 49.Nf6 Bf6 50.Rb7 (50.h6 gh6 51.Kf5 Nf4 52.Kf6 Nh5 53.Ke5 Kd8 54.Kd6 Kc8 55.Kc6 Kb8 56.Ra5 Nf6 57.d5 Ng4 58.g7 Nf6 59.Be5 Kc8 60.Ra8) 50...Bd4 (50...Nd4 51.Rb6 Be5 52.Rb4+-) 51.Rb3 (better 51.Bd4 Kd8+-) 51...Bb2 52.Rb2 Ke7 53.Rb7 Kf6 54.Rf7 Ke5 55.h6! gh6 56.g7 (56.g7 Ng7 57.Rg7+-) 1-0. zembelek1 (2175) - netanya (2105), Rated Classical tournament, lichess.org, 2016.

6.Nc3 Be7 =.

6.Bd3 e4 7.Bc2 (7.Be2 Be7=+) 7...Be7 (7...d5 8.c5=+) 8.f3 0-0 (8...d5 9.c5=+) 9.fe4 (9.Nc3 d5 10.a3 a5=+) 9...fe4 10.Nc3 (10.d5 Ne5 11.Be5 de5–/+) 10...d5 11.c5 (11.a3 a5–/+) 11...c6 12.Nh3 Nb8 13.Nf2 Na6 14.a3 Nc7 15.Kd2 (15.0-0!?=+) 15...b6 16.Na4 (16.Rf1 Ne6–/+) 16...Ne6 17.Nc3 (17…a5 18.Rf1–+). Cardoso – Grosso, corr 3GMM–60, 1996.

6.de5 Ne5 7.Nf3 Qe7 8.Nbd2 g6 9.Be2 Bg7 10.Qb3 a5 11.ba5 Ra5 12.Ne5 de5 13.Bc3 Ra7 14.Nf3 Nd7 15.Qb2 0-0 16.0-0 Re8 17.Rfd1 b6 18.Rd2 Bb7 19.Rad1 Nc5 20.Bb4 Bc6 21.Bc5 Qc5 22.Rd8 Ra8 23.Re8 Re8 24.Nd2 e4 25.Qc2 f4 26.Nb3 Qg5 27.ef4 Qf4 28.c5 e3 29.Qc4 Qc4 30.Bc4 Kf8 31.fe3 Re3 32.cb6 cb6 33.Rd6 ½-½. Labahn,Thomas (1925) - Wiertzema,Michael (2215), Wichern op 5th, 1999.

6.Nf3 Qe7 7.Be2 b6 (7...e4!? 8.Nfd2 a5+=) 8.0-0 Ne4 9.Nc3 Nc3 10.Bc3 Bb7 (10...e4 11.Nd2+/-) 11.d5 (11.de5 Ne5 12.Ne5 de5+/-) 11...Nf6 (11...g6 12.a4+=) 12.a4 (12.Ng5!?+/-) 12...Ne4 13.Bb2 Qf6 (13...g6 14.a5+/-) 14.Bd3 (better 14.a5!?+-) 14...Be7+= 15.Be4 fe4 16.Nd2 Qg6 17.Qc2 0-0 18.Qe4 Qh6 (18...c6!? 19.Qg6 hg6+=) 19.f4+/- Bf6 (19...Rae8 20.fe5 de5 21.Rf8 Rf8+/-) 20.f5 (better 20.fe5!? Rae8 21.Nf3+-) 20...Rac8 (20...Bg5 21.Rf3+=) 21.b5 (21.a5 Bg5 22.Rf3 g6+/-) 21...Bg5+= 22.Rae1 Rce8 23.Nf3 Bd8 (23...Bc8 24.g4+=) 24.Bc1 (24.Qg4 g6 25.e4 Qg7+/-) 24...Bc8 (24...Qh5 25.Nd2 g6 26.fg6 hg6 27.Rf8 Rf8+=) 25.g4 (25.Qc2 Qh5 (25...Bf5? 26.e4 Qg6 27.ef5 Rf5 28.Qe4+-; worse 25...Rf5 26.e4 Rf4 27.Bf4 ef4 28.e5+-) 26.e4 g6 27.fg6 hg6+=) 25...Kh8 (25...Qh3!? 26.Nd2 h5-/+) 26.Kg2 (26.Qc2!?+/-) 26...g6+= 27.fg6 Rg8 28.h3 Rg6 29.Qc2?? (29.Nd4 Reg8 30.Nf5 Bf5 31.Qf5 Qh4=+) 29...Qg7 (better 29...Bg4 30.hg4 Rg4 31.Kf2 Bh4 32.Ke2 Rg2 33.Kd1 Rc2 34.Kc2 Be1 35.Ne1 Qh3-+) 30.e4+= Rf8 31.Be3?? (better 31.Kh2+/-) 31...Bg4-/+ 32.hg4 Rg4 33.Kh1 Rf3 34.Rf3 Rh4 35.Qh2 Rh2 (better 35...Qg4!? 36.Rf8 Kg7-/+) 36.Kh2= Qg4 37.Ref1 Be7 (37...Qe4?? 38.Bh6 Qh4 39.Rh3+-) 38.Rf7?? (better 38.Rg3 Qh4 39.Rh3 Qe4 40.Rf7=) 38...Qe2-+ 39.Kh1 (39.R1f2 Qe3 40.R2f3 Qe4-+) 39...Qe3 40.R1f3 Qh6 (better 40...Qe4!? 41.Kg2 Bh4 42.Kh2-+) 41.Kg2 Qg6 42.Kf1 (42.Kh2 Qe4 43.Rg3 Qc4-+) 42...Qe4 43.Kf2 (43.Kg2 Bh4 44.c5 bc5-+) 43...Bh4 44.Kg2 Qc4 45.Rf8 (45.Kh3 h5 46.Kg2 Kg8-+) 45...Kg7 46.R8f7 (46.Kh2 Qd5 47.Rf1 Bg5-+) 46...Kg6 47.Rf8 Qd5 48.R8f7 0-1. drink1966 - bobby fissure, ChessWorld.net, 2020.

6.de5 de5

7.a3 c6 8.Nf3 Be7 (better is 8...Qc7!?=) 9.Ne5+/- 0-0 10.Nd7 Bd7 11.Be2 Ne4 12.0-0 Qc7 Black intends f4 13.Qc2 Rad8 14.Nc3 Ng5 15.Rad1 f4 16.ef4 Qf4 17.Bc1 Qh4 18.c5 Bf6 19.Bc4?? (better is 19.Bg5 Bg5 20.Ne4+/-) 19...Qc4–+ 20.Bb2 Qg4 21.f3 Qh5 22.Ne2 Bb2 23.Qb2 Qg6 24.Qb3? (24.Ng3–+) 24...Be6 (24...Be6 25.Qb1 Nf3 26.Kh1 Qb1 27.Rb1 Bc4 28.Rf3 Rf3 29.gf3 Be2–+) 0–1. kaasparov – zbigniew46, internet, 2013.

7.Nc3 Bb4 8.a3 Ba5 9.Qa4 b6 10.0-0-0 0-0 11.Nf3 Nc5 12.Qc2 Qe7 13.Nb5 a6 14.Nc3 Be6 15.Ne5 b5 16.Nc6 Qf7 17.Na5 bc4 18.Be2 f4 19.e4 Nfe4 20.Ne4 Bf5 21.f3 c6 22.Bc4 Be4 23.Bf7 Rf7 24.fe4 1–0. waldi1962 – albercik38 (1620), internet, 2014.

7.c5 a5 8.Qa4 c6 =.

7.Nf3 Bb4!? 8.Bc3 Bc3 9.Nc3 0-0 –/+.

7.Nf3 Bd6?? 8.c5+- Be7 9.Ne5 (better 9.Bc4!? a5 10.Ng5+-) 9...Ne5+= 10.Qd8 (10.Be5 Qd1 11.Kd1 Ng4-+) 10...Bd8 (10...Kd8 11.Be5 a5 12.a3+=) 11.Be5+/- 0-0 (11...a5 12.b5+/-) 12.Nc3 (12.Bc4 Kh8+-) 12...Bd7? (better 12...Be6!?+/-) 13.Bc4+- Kh8 14.0-0-0 Re8 15.Bf6 Bf6 16.Nd5 (better 16.Rd7 Bc3 17.a3+- (worse 17.Rc7 Bb4 18.Rd1 Rec8 19.Rb7 Bc5+/-)) 16...Bc6? (better 16...Rad8+-) 17.Nc7 Re4 (17...Bg2 18.Rhg1 Bf3 19.Ne8 Re8 20.Rd7+-) 18.Bd3 (18.Na8 Rc4 19.Kd2 Rb4=+) 18...Ree8 (18...Rc8 19.Be4 Be4 20.f3 Rc7 21.fe4 fe4 22.Rd5+-) 19.Na8 Ra8 20.f3 a5 21.b5 (21.Bf5?! ab4 22.Kb1 Kg8+-) 21...Bd7 (21...Be8 22.Kc2+-) 22.Bc4 Be8 23.a4 (23.Kc2 Rb8+-) 23...g6 (23...Rc8 24.Kd2 Rc5 25.Rc1+-) 24.Kc2 (24.Rd6 Bg5 25.Kd2 Be7+-) 24...Kg7 (24...Be7 25.Rd5 Rc8 26.Rhd1+-) 25.Kb3 (better 25.Rd6 Rc8 26.Rb6+-) 25...Bd8 (25...Rc8 26.Rd5 Be7 27.Rhd1+-) 26.Rd5 (26.Bd5 Rb8 27.Bb7 Be7+-) 26...b6 (26...Rc8 27.Rc1+-) 27.c6 (27.Rhd1 Be7 28.cb6 Rb8+-) 27...Bc7 28.Rhd1 (better 28.g3+-) 28...Bf7 (28...Kf6+-) 29.Rd7 Rc8 30.Rf7 Kh6 31.Rdd7 Kg5 (31...Bh2 32.Rh7 Kg5 33.Rh2 Re8 34.f4 Kg4 35.Rh3 Re3 36.Re3 Kf4 37.Rf3 Ke5 38.c7 Kf6 39.c8Q Kg5 40.Rg3 Kh4 41.Rdd3 Kh5 42.Qh8) 32.f4 (32.Rc7 Rc7 33.Rc7 h5 34.Rd7 f4 35.c7 fe3 36.c8Q Kf5 37.Rf7 Kg5 38.f4 Kh4 39.g3) 32...Kg4 33.Rc7 (33.Be2 Kh4 34.Rh7) 33...h6 (33...h5 34.Rc8 Kh4 35.Rg7 Kg4 36.Rh7 Kh4 37.Be2 g5 38.Rh5) 34.h3 (34.Rc8 Kh5 35.Rh8 g5 36.Rg7 gf4 37.ef4 Kh4 38.Rh6) 34...Kg3+- 35.Rc8 Kg2 36.Rg8 Kf2 (36...g5 37.c7 Kh3 38.fg5 Kg3 39.c8Q f4 40.gh6 Kf2 41.Qg4 Ke3 42.Qf4) 37.c7 Ke3 (37...Kg3 38.Rg6 Kf3 39.Bd5 Kf2 40.Rg2 Ke3 41.c8Q h5 42.Qc3 Kf4 43.Qd4) 38.c8Q Kf4 (38...Kf2 39.Rg6 h5 40.Qe6 Kf3 41.Rf5 Kf2 42.Qe2) 39.Qe6 (39.Rg6 Ke3 40.Kc3 f4 41.Qg4 f3 42.Qf3) 39...Kf3 (39...g5 40.Qf5 Kg3 41.Qf2 Kh3 42.Be6 g4 43.Bg4) 40.Rg6 f4 (40...Kf2 41.Rf5) 41.Rf5 (41.Qe2) 41...Kf2 42.Qe5 (42.Rf4) 42...f3 43.Rf4 (43.Qe2) 43...h5 44.Qe4 (44.Qe2) 44...h4 45.Rf3 1-0. Lance5500 (2745) - DiscoKnights (1895), lichess.org, 2016.

7.Nf3 e4 8.Nd4 Nb6 (better 8...Bb4 9.Nc3 Nb6-/+) 9.c5+= Nbd5 10.Bc4 Nb4 11.Qb3 (11.Qa4 Nc6 12.Nc6 bc6 13.0-0+= (worse 13.Qc6 Bd7 14.Qa6 Bc5=+)) 11...Nd3 (11...Bc5 12.a3 Nbd5 13.Qb5 Bd7 14.Qc5-/+) 12.Bd3=+ ed3 13.Qd3 Bc5?? (better 13...Qd5 14.0-0 Bc5=+) 14.Qb5+- Nd7?! (14...c6 15.Qc5 Qe7+-) 15.Nf5 (better 15.Ne6 c6 16.Qb3 Qb6 17.Ng7 Kf8 18.Ne6 Ke7 19.Nc5 Qb3 20.ab3 Rg8 21.Nd7 Bd7+-) 15...Qg5? (better 15...0-0 16.Qc4 Rf7+=) 16.Ng3?? (better 16.Ng7 Ke7 17.Nf5 Qf5 18.Bh8+-) 16...0-0= 17.0-0 c6 18.Qc4 Kh8 19.Nd2 b5 (19...Qg6 20.Rad1=) 20.Qc3 (20.Qc2 Qd5+=) 20...Qf6 (20...Qg6 21.Rac1 Bb7 22.Rfd1+=) 21.Qf6 Nf6 (21...gf6 22.Rac1 Bb7 23.Nde4+-) 22.Rac1 Bb4 23.Nde4 Ne4 24.Ne4 Bf5 25.Nc5 (25.Ng3 Bd7+=) 25...Rad8 26.a3 Bd2 27.Rcd1 Bc2 (27...Bg4 28.Bd4 Bd1 29.Rd1=) 28.Ra1 (28.Ne6!? Bd1 29.Bg7 Kg8 30.Bf8+-) 28...Rd5+/- 29.Bd4 Ba5 30.Rfc1 Bf5 31.Nb7 Bb6 (31...Bc7!? 32.Rc6 Bb8+/-) 32.Bb6+- ab6 33.Rc6 Rd2 34.f3 (34.Rb6 Kg8+-) 34...Bd3 (34...Rf6 35.Rac1 Kg8 36.e4+-) 35.Rb6 h6 36.Nc5 Bc4 37.a4 b4? (better 37...ba4 38.Na4 Ra8+-) 38.Rb4 Bd5 (38...Rc2 39.Rab1+-) 39.e4 Bc6 (39...Rc8 40.Rc1 (40.ed5?! Rc5 41.a5 Rcc2+-) 40...Bg8 41.h4+-) 40.Ne6 Rc8 41.Rc4 (better 41.Rc1 Rd6 42.Nd4+-) 41...Rb8 (41...Bd7 42.Nc5 Be8+-) 42.Rc6 Rbb2 (42...g5 43.Kh1+-) 43.Nf4 g5 (43...Kh7 44.Rg6+-) 44.Rh6 Kg7 45.Rg6 Kf7 46.Rg5 1-0. dannysmet (2085) - GWohlers (2110), Rated Blitz game, lichess.org, 2021.

7.Nf3 Qe7 8.a3 g6 9.Be2 Bg7 10.0-0 0-0 11.Qb3 Kh8 12.Nbd2 c6 13.c5 e4 14.Ng5 Nd5 15.Bg7 Kg7 16.Nh3 Ne5 17.Nf4 Be6 18.Ne6 Qe6 19.Bc4 Rad8 20.Rad1 Qf6 21.a4 (better is 21.f3!?=) 21...Nc3!–/+ (21...Nc4?! 22.Nc4 (worse is 22.Qc4 Nc3 23.Rc1 Rd3–/+) 22...Qc3 23.Qc3 Nc3 24.Rd6=) 22.Kh1? (22.Qc3 Nf3 Double attack) 22...Nd3?? (better is 22...Nd1!? 23.Rd1 Ng4 24.Kg1–+) 23.Bd3? (better is 23.Ra1+=) 23...Rd3 (23...ed3?! 24.Rc1 Ne4 25.Qa2+=) 24.Qc2 (24.Rc1 Ne2 25.Qc2 Nc1 26.Rc1–+) 24...Nd1 25.Rd1 Rfd8 26.h3 Qc3 27.Qc3 Rc3 28.b5 Rcd3 29.Rb1 Rd2 30.bc6 bc6 31.Kh2 (31.Rb7 R8d7 32.Rd7 Rd7–+) 31...Rf2 32.Rb7 Kf6 33.Ra7 Rdd2 34.Kg3 Rg2 (34...g5 35.Kh2 Rg2 36.Kh1 Rge2 37.Rf7 Kf7 38.a5 Re1) 35.Kh4 Rh2 36.Rh7 (36.Rf7 Kf7 37.Kg5 Rdg2 38.Kf4 Ke6 39.a5 g5) 36...g5 37.Kg3 Rdg2# 0–1. typ48 – moniek46, internet, 2013.

6.Nf3 e4

7.Nfd2 Qe7 8.Nc3 Qf7 9.Be2 Be7 10.0-0 0-0 11.f3 ef3 12.Bf3 Qg6 13.Qe2 Re8 14.Qd3 Bd8 15.e4 Nf8 16.e5 (16.Rae1 c6+/-) 16...de5+= 17.de5 Ng4 18.Bg4 Qg4 19.Nd5 Ng6 20.Rae1 a5 21.h3 Qg5 22.Nf3 (better is 22.b5!?+=) 22...Qg3+= 23.Qd4 Be6 24.b5 c6 25.Nh2? (25.bc6 bc6 26.Ne3 f4–/+) 25...Nh4 (better is 25...cd5 26.cd5 Bg5–+) 26.Nf4+= Rc8 27.Re3= Qg5 28.b6 c5 29.Qc3 Bb6 30.Rg3 Qh6 31.Rf2 Rcd8–/+ 32.Nf1 Rd4 33.Nd5 Bd5 34.cd5 c4 35.Kh2 Ng6 36.Rf5+= Ne5 37.Re5? Re5–+ 38.Qf3 Rf4 (38...Rf4 39.Rg7 Qg7 (worse is 39...Kg7 40.Be5 Rf6 41.Ng3+-) 40.Qf4 Bc7–+) 0–1. Abreu Suarez,Isauro (2020) – Lopez Pereyra,Antonio (2130), Tenerife ESP, Team Ch Div1, 2013.

7.Nfd2 Be7 8.Be2 =.

7.Nfd2 g6 8.Be2 Bg7 9.0-0 0-0 (9...a5 10.a3+=) 10.Qb3 c6 11.a4 (11.Nc3 Qe7+=) 11...g5 (11...Qe7 12.Nc3+=) 12.Nc3 (12.f4 g4+=) 12...Qe8 (12...Qe7 13.Rae1+=) 13.c5 (13.Rad1 Qe6+=) 13...d5 14.b5 f4 15.a5 a6 16.ba6 (16.b6 g4=) 16...ba6 17.Na4 Bh6 (17...Rb8 18.Nb6=) 18.ef4 (18.Nb6 Rb8=) 18...gf4+= 19.Qh3 (19.Qc2 Qg6 20.Kh1 Rb8=) 19...Bg5 (19...Kg7 20.Qc3–/+) 20.Bg4 (20.Qc3 f3 21.gf3 e3–/+) 20...Ng4–/+ 21.Qg4 White gets strong initiative 21...Qg6 22.h4 Bd8 23.Qg6 hg6 24.Nb6 Nb6 (24...Rb8 25.g3–/+) 25.ab6 (better is 25.cb6!? Bh4 26.Ba3=) 25...Bh4–/+ 26.Bc3 Bg4 (better is 26...Bf5!?–/+) 27.f3= Bf5 28.fe4 de4 29.Rf4 Bg3 30.Re4+= Be4 31.Ne4 Bf4 32.g3 Bh6 33.b7+/- Ra7 34.Nf6! Kf7 35.Nd7 Rb7 36.Nf8 Kf8 37.Ra6 Rb3 38.Be1 Be3 39.Kg2 Bd4 40.Rc6 The passed pawn on c5 quickly leads to threats 40...Ke7 41.Kh3 Rb5 42.Rg6 Kf7 43.Rg4 Bc5 44.Rg5 Rb1 45.Rc5 Re1 46.Rc6 Re4 47.g4 Kg7 48.Kh4 Re5 49.Kg3 Ra5 (49...Rd5 50.Kf4+/-) ½–½. Lorenc,Tomas (2125) – Poloch,Petr (2290), Tatranske Zruby SVK, 2005.

7.Ng5 Nb6 8.Be2 =.

7.Ng5 Qe7 8.Nc3 h6?? 9.Nh3?? g5 10.Be2 Bg7 11.Nb5 Nb6= 12.Bh5 Kf8 13.Be2= Kf7 14.c5 Nbd5 15.Bc4 Be6 16.Qb3 a5 17.a3 ab4 18.ab4 Ra1 19.Ba1 Ra8 20.0-0 g4 21.Nf4 Nf4 22.ef4 Bc4 23.Qc4 d5 24.Qb3 Qd7=+ 25.Nc3 c6 26.Na4 Ra7 27.Nb6 Qd8 28.b5 Ne8 29.h3 h5 30.hg4 hg4=+ 31.Na4 Bf6 32.Rd1 Ng7 33.Nc3 Ne6 34.bc6 bc6–/+ 35.Qb6 Qa8 36.Ne2? Ra1 37.Ra1 Qa1 38.Kh2 Qa8 39.Qb4 Kg6 (40.Qe1 Bd4–+) 0–1. Strebel,Harry – Junker,Reiner (2410), Oberliga Sued W, 2002.

5.d4 e4

6.a3 c6 7.Nc3 d5 8.cd5 cd5 9.Qb3 Be6 10.g3 Be7 11.Nge2 0-0 12.Nf4 Bf7 13.Be2 a6 14.0-0 Nc6 15.Rfc1 Rc8 16.Na4 g5 17.Ng2 h6 18.Nc5 Rc7 19.Nb7 Rb7 20.Rc6 Kg7 21.Rac1 a5 22.ba5 Rb3 0–1. amator111 – bloodfenix, internet, 2013.

6.a3 g5 7.d5 Bg7 8.Nd2 0-0 9.Qc2 Nbd7 10.g3 Ne5 11.Be2 g4 12.h3 Nf3 13.Ngf3 gf3 14.Bf1 Bd7 15.Nb3 Qe7 16.Nd4 c5 17.dc6 bc6 18.Nb3 Rad8 19.c5 d5 20.Nd4 a5 21.b5 cb5 22.c6 Rc8 23.Bb5 Be8 24.Nf5 Qa7 25.Bd4 Qb8 26.Ne7 Kh8 27.Nc8 Qc8 28.Qc3 Qe6 29.a4 Nh5 30.Bg7 Ng7 31.g4 Kg8 32.Kd2 Qd6 33.Rhc1 Qb4 34.Qb4 ab4 35.Rab1 Ne6 36.Rb4 Nc7 37.Kc3 Bf7 38.Kd4 Ra8 39.h4 Kg7 40.Rc2 Kf6 41.Rbb2 Be6 42.g5 Kg6 43.Rc1 Kh5 44.Ke5 Kh4 45.Kd6 Ra7 46.Rh1 Kg5 47.Rh7 Nb5 0–1. amator111 (1705) – drstarski, internet, 2013.

6.a4 Be7 7.Qb3 Be6 8.Nc3 0-0 9.Nge2 a6 10.Nf4 Bf7 11.Be2 g5 12.Nh3 h6 13.0-0 c6 14.f3 ef3 15.gf3 Nbd7 16.Kf2 b5 17.ab5 ab5 18.Ra8 Qa8 19.Rg1 Nb6 20.Nf4 Nc4 21.Bc4 Bc4 22.Qc2 Nd5 23.Ng6 Nc3 24.Ne7 Kf7 25.Nf5 Ne2 26.Nd6 Ke7 27.Nc4 Ng1 28.Nb6 Rf3 29.Kg1 Qa2 30.Qe4 Kd8 31.Qf3 Qb2 32.Qc6 Qb1 33.Kg2 Qb2 34.Kf3 Ke7 35.d5 Qe5 36.Nc8 Kf7 37.Nd6 Kg8 38.Qe8 Qe8 39.Ne8 Kf7 40.Nc7 Ke7 41.Nb5 Kd7 42.e4 1–0. elsh1403 (1640) – papa25 (1675), internet, 2013.

6.Nc3 Nbd7?! 7.Be2 g6 8.h4! h5? 9.Nh3 Ng4?! 10.Nf4 Rh6 11.Qd2 c5 12.Ne6 Qb6?? 13.Nd5 Rb8 14.Nb6 Nb6 15.Nf8 Kf8 16.dc5 dc5 17.Qd6 Kf7 18.Qb8 1–0. W Labahn – Fiedler, corr KGP–Z–03 1991 (Labahn).

6.Be2 Be7 7.Bh5 Kf8 8.Nc3 b6 9.Qb3 Be6 10.Be2 a5 11.b5 Nbd7 12.Nh3 Bf7 13.Nf4 Nb8 14.0-0 c5 15.bc6 Nc6 16.Nfd5 Nd5 17.cd5 Nb4 18.f3 Bf6 19.fe4 fe4 20.Ne4 Bd5 21.Qd1 Be4 22.d5 Nd5 23.Qd4 Bg6 24.Qd5 Bf7 25.Qd2 d5 26.Bf6 gf6 27.Qd4 Rg8 28.Rf6 Ra7 29.Bh5 Rg7 30.Raf1 Kg8 31.Qf4 Qe8 32.Bf7 Raf7 33.Rf7 Rf7 34.Qg5 Rg7 35.Qd5 Kh8 36.Qd6 Qe3 37.Kh1 Qg5 38.g3 b5 39.Qd4 h5 40.Rf8 Kh7 41.Qd3 Qg6 42.Rf5 Kh6 43.Qe3 Kh7 44.Qd3 Kh6 45.Qb5 Rc7 46.Qb1 Qc6 47.Kg1 Qc1 48.Qc1 Rc1 49.Kg2 Rc2 0–1. fjanusz52 – szapm1, internet, 2013.

6.Be2 g6 7.Nh3+= Bg7 8.Nf4 0-0= 9.Qb3 Nc6 10.Nc3 a5 11.b5 Ne7 12.h4 h6 13.g3 Kh7 14.0-0-0 Bd7 15.a4 c6 16.Kb1 cb5 17.cb5 Nc8 18.Ba3 Qe7 19.h5+/- gh5 20.Bh5 Nh5+= 21.Rh5 Qf7 22.Qf7+/- Rf7 23.Ncd5 Rb8 24.Rc1 Be8 25.Rh2 Rd7 26.Nh5 Bh5 27.Rh5 Rf7 28.b6 Kg6 29.Rhh1 Bf6 30.Ka2 Bd8 31.Rb1 Rd7 32.Rhc1 Ne7 33.Nf4 Kh7 34.d5 Nc8 35.Ne6+- Be7? 36.Rc7 Nb6 37.Rb6 (37.Rb6 Rc7 38.Nc7+-) 1–0. Palikarski,Vasil – Lazarov,Rosen (2205), Plovdiv BUL Team Championship, 2003.

6.Ne2 b6 7.d5 c6 8.Ng3 g6 9.Be2 Bg7 10.0-0 Bb7 11.Nd2 cd5= 12.cd5 Bd5 13.Bc4 Bc4=+ 14.Nc4 d5 15.Nd2 0-0 16.Qb3 Nc6 17.Rfd1 Ne7 18.a4 a6 19.Qa2 Rc8 20.Nb3 Nc6 21.b5 Nb4 22.Qb1 a5 23.Ba3 Rc4 24.Nd2=+ Rc7 25.Bb2 Nd3 26.Ne2 Nb2 27.Qb2 Ng4 28.h3?? Bb2 (28...Bb2 29.Ra2 Nf2 30.Kf2 Be5–+) 0–1. gtate (1930) – challenger (2045), net–chess.com, 2005.

6.Ne2 c6 7.Nec3 Be7 8.Be2 0-0 9.0-0 d5 10.c5 Na6 11.b5 Nc7 12.a4 Ne6 13.g3 g5 14.f4 Kh8 15.Na3 Rg8 16.Kh1 Qf8 17.Nc2 Qh6 18.Rg1 Bd7 19.Qf1 Rg7 20.Qf2 Rag8 21.Raf1 gf4 22.ef4 Ng4 23.Bg4 Rg4 24.Ne3 Be8 25.Ng4 Rg4 26.Nd1 Bh5 27.Ne3 Rg8 28.Nf5 Qf6 29.Ne7 Bf3 30.Rg2 Qe7 31.h3 Qf7 32.Bc1 Qh5 33.Kh2 Bg4 34.h4 Bf3 35.Rgg1 Ng7 36.Qe1 Nf5 37.Rf3 Qf3 38.Qf1 Qg4 39.Qh3 Qe2 40.Rg2 Qg4 41.Qg4 Rg4 42.Kh3 h5 43.bc6 bc6 44.Bb2 Kg8 45.Bc3 Kf7 46.Be1 Nd4 47.Rb2 a5 48.Rb7 Kf6 49.Rc7 Ne6 50.Rc6 Ke7 51.Rc8 d4 52.c6 Rg7 53.Ba5 e3 54.Bb4 Kf6 55.Re8 e2 0–1. kaasparov – thor77, internet, 2013.

6.f3 Be7 7.Nc3 0-0 8.fe4 fe4 9.Qc2 Bf5 10.Nge2 c6 11.Ng3 Bg6 12.Be2 (12.Nge4? Ne4 13.Bd3 d5 14.cd5 cd5 15.Ne4 Be4 16.Be4 de4 17.Qc4 Kh8–+) 12...d5 13.c5 Nbd7 14.0-0 Rf7 15.Nf5 Nf8 16.Ne7 Qe7 17.Rf2 Ne6 18.Raf1 Raf8 19.Qd1 Qd7 20.Bg4 (better is 20.b5+=) 20...Ng4–/+ 21.Qg4 Rf2 22.Rf2 Rf2 23.Kf2 Qf7 (better is 23...Nc5!? 24.Qd7 Nd7–/+) 24.Kg1= Bh5 25.Qg3 h6 26.Qf2 Qg6 27.Bc1 Ng5 28.Kf1 Ne6 29.Ne2 Qg4 30.h3 Qg5 31.Nf4 Nf8 32.g4 Bf7 33.Bd2 Ng6 34.Ng6 Bg6 35.Qf4 Qh4 36.Kg2 Kh7 37.Qg3 Qg5 38.h4 Qf6 39.Qf4 Qh4–/+ 40.Qg3 Qf6 41.Qf4 Qe7 42.Kg3 Qe6 43.Qe5 Qd7 44.Qd6 Qe8 45.Qe5 Qf7 46.Qf4 Qe7 47.Qe5 Qd7 48.Qd6 Qe8 49.Qe5 Qe5 50.de5 Kg8 51.Kf4 Kf7 52.Be1 Ke6 53.Bh4 Bf7 54.Bd8 g5 55.Kg3 Ke5 56.Bc7 Ke6 57.Bd6 Bg6 58.a4 h5 59.gh5 Bh5 60.a5 a6 61.Bc7 Kf5 62.Bd6 Ke6 63.Bc7 Kf5 64.Bd6 d4! (64...d4 65.ed4 e3–+) 0–1. Fournier,Frederic – mamelucos, Active, 2008.

6.f3 ef3 7.Nf3 Be7 8.Be2 0-0 9.0-0 c5 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 b6 14.dc5 dc5= 15.Nc3 Bb7 16.Ng5 Qd1 17.Rd1 h6 18.Ne6+= Rc8 19.Bd3 g6= 20.Nf4 Kf7 21.Re1 Ne4 22.Ncd5 Bd8 23.Be5 Nd7= 24.Bb2 Ndf6 25.Nf6 Bf6 26.Bf6 Nf6 27.e4? fe4–+ 28.Be2 Rd8 29.Ra1 Bc8 30.Ra7 Rd7 31.Ra8 Bb7 32.Ra7 g5 33.Nd5 Nd5 34.cd5–/+ Kf6 35.Bg4 Rg7 36.Be6?? Ke5 37.Bc8–/+ Kd5 38.Rb7 Rg8 39.Bf5 e3 40.Re7 Kd4 41.Re4+- Kc3 42.Re3 Kb4 43.Bd7 Rg6 44.Re4 c4 45.Be6 Kb5 46.Bc4 Kc5 47.Bd3 Rd6 48.Be2 ½–½. chessleon – gdraper (2025), net–chess.com, 2006.

6.f4 c6 7.h3 (7.d5 Be7=+) 7...d5 8.Nc3 (8.c5 Be7=+) 8...Be7 (8...Bb4!? 9.Qb3 Qe7-/+) 9.c5=+ 0-0 10.a4 a6 11.Be2 Bd7 12.g4 fg4 (12...Ne8 13.g5=+) 13.hg4= Be8 (13...Ne8 14.Qb3 Bh4 15.Kd2+=) 14.g5+= Nfd7 15.Bg4 Bf7 16.Bf5 g6 17.Bg4 Re8 18.Qe2 Nf8 19.0-0-0 (19.Qh2 Nbd7+/-) 19...a5 (19...b6 20.Ba3=) 20.b5+= cb5 (20...b6 21.cb6 Qb6 22.Kd2=) 21.Nb5 (21.Qb5 Nc6+=) 21...Nc6 (21...b6!?=) 22.f5+= gf5 23.Bf5 Bg6? (better 23...Nb4!?+=) 24.Bg6+- Ng6 (24...hg6 25.Qh2 Bg5 26.Qh8 Kf7 27.Rf1 Ke6 28.Qh3 Ke7 29.Nd6 Be3 30.Kd1+-) 25.Rh7 (better 25.Qh5 Nf8 26.g6+-) 25...Kh7?? (better 25...Bg5 26.Rb7 Rb8 27.Rb8 Qb8+-) 26.Qh5 Kg7 27.Qh6 Kf7 28.Qh7 (better 28.Rf1 Bf6 29.Qh7 Kf8 30.Rf6 Qf6 31.gf6+-) 28...Ke6 29.Qh3 (better 29.Rf1 Rh8 30.Qg6 Kd7 31.Qf5 Ke8 32.Nd6 Qd6 33.cd6+-) 29...Kf7 30.Rf1 Kg8 31.Qe6 Kh8 32.Qg6 (32.Rf7 Qd6 33.Qh3 Nh4 34.Qh4 Qh6 35.Qh6 Kg8 36.Qg7) 32...Bg5 (32...Rf8 33.Nf3!! Bg5 34.Rh1 Bh4 35.Qh6 Kg8 36.Rg1 Bg3 37.Rg3 Qg5 38.Rg5 Kf7 39.Rg7 Ke8 40.Qe6 Kd8 41.Qd7) 33.Rf7 Be3 34.Kb1 (34.Kb1 Bg1 35.Rh7; 34.Kd1 Bg1 35.Rh7) 1-0. OnlyGapes (2540) - ujku (2410), Rated Blitz game, lichess.org, 2016.

6.Nh3 Nc6 7.Nc3 Ne7 8.Be2+= Ng6 9.Bh5 Be6 10.d5 Bf7 11.Bg6 hg6 12.Ng5 Ng4 13.Qa4 Ke7 14.Ne2 Nh2 15.0-0-0 Rh5 16.Nf7+/- Kf7 17.Nf4 Rh6 18.Ne6 Qc8 19.Qb3 Ng4 20.Rh6 gh6 21.f3 ef3 22.gf3 Ne5 23.f4 Ng4 24.c5 c6 25.dc6?? Ke8?? 26.Nf8 Kf8 27.Rd6 Qe8 28.cb7 Rd8 29.Qc3 (29.Qc3 Ke7 30.Qg7 Qf7 31.Qf7 Kf7 32.Rd8+-) 1–0. Kwiek,Janusz – Jaworski, corr ch35–Poland, 1992.

6.Nh3 d5 7.a3 b6 8.c5 bc5 9.dc5+= Be7 10.Bb5 c6= 11.Be2 Na6 12.Qa4 Nb8 13.Bd4 0-0 14.b5 cb5 15.Bb5 Nbd7? 16.c6?? Nb6 17.Qa5 Bd6 18.Nd2 Be6 19.Nf4 Bf4 20.ef4 Ne8 21.Rc1 Nc7+= 22.Be2 Kh8 23.Qc3+/- Rg8 24.f3 Rc8 25.h4 Qe7 26.h5 h6 27.Kd1 a6?? 28.Bb6+- Rb8 29.Bc5 Qf6 30.Bd4 Qf7 31.Kc2 Qe8 32.Rb1 Nb5 33.Bb5 Rb5 34.Rb5 ab5 35.Rb1 Qb8 36.c7 Qb7 37.a4! Rc8 38.Bg7 Kg8 39.Be5 Qa6 40.ab5 Qa4 41.Qb3 Qb3 42.Nb3 e3 43.Nd4 Kf7 44.Ne6 Ke6 45.b6 Kd7 46.b7 (46.b7 Rg8 47.b8Q d4 48.Qg8 d3 49.Kd3 Ke7 50.c8Q e2 51.Qge6#) 1–0. Arievlis – golddim, playchess.de, 2003.

6.Nh3 Be6 7.Nc3 c6 8.d5 Bf7 9.Ng5 Bg8 10.Be2 Qe7 11.h4 h6 12.Nh3+= g5 13.g4 fg4= 14.Bg4 Bg7 15.Rg1 cd5 16.cd5 Nbd7 17.hg5+= Ng4 18.Qg4 hg5 19.Ng5+/- Nf6 20.Qf5 Bh7? 21.Qe6 Rg8? 22.Nb5 Nd5 23.Nd6 Kd8 24.Qd5 Bb2+- 25.Rd1 Kc7 26.Qb7 Kd8 27.Nf5 Ke8 28.Qe7 1–0. Cwiertnia,A – Niewiadomski,Cyryl, corr Poland–ch3, 1961.

6.Nh3 h6 7.Nf4 g5 8.Nh5 Be6? (better 8...d5+=) 9.d5+- Nh5 10.Qh5?? (better 10.Bh8 Bf7 11.Be2+-) 10...Bf7+= 11.Qd1 Rg8 12.Be2 Bg7 13.Bg7 Rg7 14.Qd4 Rg8 15.Nd2 Nd7 16.g4 fg4 17.Bg4 Qf6?? (better 17...Ne5 18.Rg1 a5+=) 18.Bd7+- (18.Bd7 Ke7 19.Qf6 Kf6 20.Ne4 Ke7 21.Bg4+-) 1-0. PerPeroGlu (2355) - Kramikaze (2030), Rated Correspondence game, lichess.org, 2015.

6.h4 Be7 7.Nh3 0-0 8.Nf4 c6 9.Nc3 Qe8 10.h5 a5 11.b5 d5 (11...Bd7 12.c5 cb5 13.Nb5 Bb5 14.Qb3 d5 15.Qb5+= (15.Bb5?! a4 16.Qb4 Nc6=)) 12.a4 (better 12.cd5 cd5 13.Qb3+/-) 12...dc4? (better 12...Bb4=) 13.Bc4+- Kh8?? (better 13...Rf7+-) 14.Ng6 (14.Ng6 Qg6 15.hg6+-) 1-0. zembelek1 (2100) - pallino (2125), Rated Blitz game, lichess.org, 2016.

6.a3 a5

7.b5 Be7 8.Nc3 Nbd7 9.Be2 0-0! 10.Nh3 c6 11.0-0! c5 12.dc5 Nc5 13.Nd5 Be6 14.Nhf4 Bf7 15.Bd4 Ne6 16.Ne7 Qe7 17.Ne6 Be6 18.Rc1 Rfc8 19.Qb3 Nd7 20.Rfd1 Nc5 21.Bc5 dc5 22.Rd2 Rd8 23.Rcd1 b6 24.g3 Rd2 25.Rd2 Rd8 26.Qc3 Rd2 27.Qd2 Qd7 28.Qc3 Qd6 29.h4 Qd8 30.Qe5 Kf7 31.Kg2 g6 32.h5 Qd7 33.h6 Kg8 34.Qb8 Kf7 35.Qb6 1–0. vihavald (1655) – tafnes, internet, 2014.

7.b5 Be7 8.g3 0-0! 9.Ne2 c6 10.Nf4 Kh8 11.Nc3 Qe8 12.Be2 Bd7 13.b6 Bd8 14.c5 d5 15.0-0! Be6 16.Qc2 Nbd7 17.Rad1 Bf7 18.Ng2 g5 19.Rd2 Rg8 20.Rfd1 Bh5 21.a4 Be2 22.Ne2 Qh5 23.Nef4 gf4 24.Nf4 Qh6 25.Kg2 Nh5 26.Bc1 Nf4 27.ef4 Bf6 28.Re2 Rg6 29.f3 Re8 30.fe4 fe4 31.f5 Rg5 32.Bg5 Bg5 33.Rf1 Nf6 34.Qd1 Rg8 35.Kh1 Ng4 36.f6 Rf8 37.f7 1–0. vihavald (1665) – tafnes, internet, 2014.

6.Nc3 c6

7.d5!? cd5 8.Nd5 –+. W Labahn.

7.d5 Be7 8.Nh3 0-0 9.Nf4 Qe8 10.h4 (10.Be2 Na6 11.a3 Nc7+=) 10...Kh8 (10...a5 11.b5+=) 11.Be2+= Na6 12.a3 Nc7 13.Qd4 Qf7 14.h5 Nd7? (better 14...Kg8+=) 15.Ng6!+- Kg8 (15...hg6 16.hg6 Double attack) 16.Nf8 Nf8 (16...Qf8 17.dc6 bc6 18.Rd1+-) 17.Qd2 (17.h6 Bf6 18.Qd2 cd5 19.Nd5 Nd5 20.hg7 Qg7 21.Qd5 Be6 22.Bf6 Qf6+-) 17...h6 18.Rd1 Bd7 19.c5! Nd5 (19...dc5 20.d6 Passed pawn) 20.Nd5 cd5 21.cd6 Bd6 22.Qd5 Qd5 23.Rd5 Be7 24.0-0 (24.Rh3 f4 25.Bc4 Kh8+-) 24...Be6 25.Rd2 Bf7 (25...a5 26.ba5 Ra5 27.Rb1+-) 26.Rfd1 (26.Rc1 b6+-) 26...Rc8 (26...a5 27.b5+-) 27.Rc1 (27.Bd4 a6+-) 27...Rc1 28.Bc1 Be6 29.Bb2 Nh7 (29...a6 30.Kf1+-) 30.Rc2 Bd6 (30...Bf6 31.Bf6 Nf6 32.Rc7+-) 31.Bc4 (31.Bd4 Nf6+-) 31...Kf7 (31...Bc4 32.Rc4 Kf7 33.Rc8+-) 32.Be6 Ke6 33.Bg7 1-0. PlatinumEd (2240) - Todka (2125), Rated Blitz game, lichess.org, 2016.

6.Nc3 d5

7.Qb3 Be6 8.cd5 Nd5 9.Nd5 (9.a3 c6=) 9...Bd5 10.Bc4 Bc4 (10...Bc4 11.Qc4 Nc6=). Mely (2160) - D11j22 (2330), ChessWorld.net, 2018.

7.cd5 Bb4 8.Qb3 Nd5 9.Bc4 Nc3 10.Bc3 Bc3 11.Qc3 –+. W Labahn.

6.Nc3 Be7

7.a3 0-0 8.Be2 c6 9.Nh3 Be6 10.Nf4 Bf7 11.h4 Nbd7 12.Kd2 a5 13.b5 Nb6 14.Qf1 Rc8 15.Rc1 Qd7 16.f3 Rc7 17.Ke1 Qd8 18.fe4 Ne4 19.Ne4 fe4 20.g3 cb5–+ 21.cb5 Nd5 22.Kf2 g5 23.hg5= Bg5 24.Qh3 h6 25.Qg4 Qf6 26.Rc7 Nc7 27.Qd7 Qd8 28.Qd8 Rd8 29.Rc1 Rd7 30.Bg4 Re7 31.b6 Nd5 32.Nd5 Bd5 33.Rc8 ½–½. Krassig,A (1620) – Ziebermayer,Reinhard (1830), Scharnstein op 2nd, 1999.

7.Qb3 c6 8.Nh3 d5 9.Be2 (9.cd5 Nd5 10.Nd5 Qd5+=) 9...Be6 10.b5 (10.c5 Bd7=) 10...Qd7 (10...dc4 11.Bc4 Bc4 12.Qc4=) 11.a4 (11.c5 b6 12.Na4 bc5+=) 11...0-0 (11...dc4 12.Bc4 Bc4 13.Qc4=) 12.Ng5 (12.Nf4 dc4 13.Bc4 Bc4 14.Qc4 Kh8=) 12...Kh8 (12...dc4 13.Bc4 Bc4 14.Qc4 Nd5 15.Nh3=) 13.Ne6+= Qe6 14.0-0 Nbd7 15.Rae1 (15.a5 a6+=) 15...Nb6= 16.cd5 Nbd5 17.Bc4 Rad8 18.f3 ef3 19.Rf3 Ne4 20.Nd5?? (better 20.bc6 bc6 21.Ne4 fe4 22.Rf8 Rf8 23.Ba3=) 20...cd5-+ 21.Bd3 Bd6 (better 21...Nd2!? 22.Qd1 Nf3 23.Qf3 Rde8-+) 22.Qc2 (22.Bc3 Qh6 23.Rh3 Qg6=) 22...Qh6=+ 23.g3 Rf6 (23...Rc8 24.Qe2=+) 24.Bc1 (24.Ref1 Qh5=) 24...Rdf8 25.Be4 (25.Ref1 R6f7=) 25...fe4=+ 26.Rf6 Qf6 27.Qg2 g6 28.Rf1 Qg5 (28...Qf1 29.Qf1 Rf1 30.Kf1=+) 29.Rf8= Bf8 30.Kf2 (30.Qh3 Qd8=) 30...Kg7 31.h3? (better 31.Kg1!?=+) 31...Qf5-+ 32.Ke2 (better 32.Kg1-+) 32...Qh5 (better 32...Qc8 33.Bd2 Qc4 34.Kf2 Qa4-+) 33.g4=+ Qg5 34.Bd2 Bd6 35.Be1 Qe7 (35...Kg8=+) 36.h4 White prepares the advance g5 (36.Bg3!?=) 36...Bc7 (36...Qc7 37.Kd1-/+) 37.g5 Qa3 (37...a6!? 38.Kd1 ab5=+) 38.Qh3 (better 38.Qg4 Qd6 39.Qc8=) 38...Qb2 (better 38...Qf8!?=) 39.Kf1+/- Qb1?? (better 39...Qc2+/-) 40.Qd7+- (40.Qd7 Kg8 41.Qc8 Kf7 42.Qc7 Kf8 43.Qc8 Kg7 44.Qb7 Kf8 45.Qb8 Kf7 46.Qa7 Ke6 47.Qh7+-) 1-0. zembelek (2110) - tocaifriulano (2155), Rated Blitz game, lichess.org, 2014.

7.Nge2 0-0 8.Qb3 Be6 9.Nf4 Bf7 10.h4 a5 11.a3 c6 12.d5 cd5 13.cd5 Nbd7 14.Be2 Nb6 15.Rd1 ab4 16.ab4 Rc8 17.0-0 Nfd7 18.Ne6 Be6 19.de6 Ne5 20.Nd5 Nd5 21.Rd5 Bh4 22.e7 Be7 23.Re5 Kh8 24.Rd5 f4 25.ef4 Rf4 26.Rfd1 Qf8 27.Qg3 Bh4 28.Bg7 Qg7 29.Qf4 Bg5 30.Qe4 Rf8 31.Rd6 Bh4 32.Bf3 Bf2 33.Kf2 Qb2 34.R1d2 Qf6 1–0. 3mjack (1705) – tomgall, internet, 2014.

7.Nge2 0-0 8.Nf4 c6 9.a3 Na6 10.Be2 Nc7 11.d5 cd5 12.Ncd5 Ncd5 13.Nd5 Nd5 14.Qd5+/- Kh8 15.0-0 Qc7+= 16.Rfd1 Bd7? 17.c5!+- Bc6 18.cd6 Bd5 19.dc7 Be6 20.Bb5 Bc8 21.Rac1 Kg8 22.Bc4 Kh8 23.Be5 h6 24.Bd6 Bd6 25.Rd6 (25.Rd6 g5 26.Rh6 Kg7 27.Rd6+-) 1–0. Rook,Ian – Day,Paul, corr BFCC op prel, 1998.

7.Nh3 0-0 8.Nf4 c6 9.b5 g5 10.Nfe2 d5 11.h4 g4 12.Nf4 Bd6 13.g3 Bf4 14.gf4 Be6 15.c5 h6 16.Qb3 Nbd7 17.a4 Qb8 18.a5 a6 19.bc6 bc6 20.Qb8 Rfb8 21.Na4 Ne8 22.Nb6 Ra7 23.Bc3 ½–½. Hoch,Hubertus (2325) – Koenigsberger,Christian (2220), RSLE–2011, 2011.

7.Nh3 0-0 8.Nf4 c6 9.d5 Na6 10.dc6 (10.a3 A) 10...c5 11.Qb3 (11.b5 Nc7 12.Be2 Nd7 13.Qd2 Bf6 14.0-0 Be5 15.f3=) 11...cb4 12.ab4 Ne8 13.c5 Nac7 14.Bc4 Bg5 15.Nce2+/-; B) 10...g5 11.Nfe2 (11.Nh3 h6 12.Qc2 cd5 13.cd5 Nc7 14.Rc1 a6 15.Bc4+=; 11.Nh5 Nh5 12.Qh5 Bf6 13.dc6 bc6 14.Be2 f4 15.ef4+=) 11...Qb6 12.c5 Qc7 13.cd6 Qd6 14.dc6 bc6 15.Qd6+/-; C) 10...Nc7 11.Be2 g5 12.Nh3 Ng4 13.Qb3 cd5 14.Nd5 Nd5 15.cd5+=). marekt – Striderthree, ChessWorld.net, 2004.

6.Nc3 g6

7.Be2 Bg7 8.h4 0-0 9.h5 Be6 10.d5 Bf7 11.h6 Bh8 12.Nh3 Nbd7 13.Ng5 Ne5 14.Nb5 Nfd7 15.Nf7 Rf7 16.Nd4 Qe7 17.a4 c5 18.bc5 dc5 19.Ne6 Nd3 20.Bd3 Bb2 21.Bc2 Ba1 22.Qa1 Qf6 23.Qb1 Qc3 24.Kd1 Rb8 25.Bb3 Ne5 26.Qc2 Qc2 27.Kc2 Ng4 28.Ng5 Rc7 29.f3 Ne3 30.Kd2 Ng2 31.fe4 fe4 32.Ne4 Nf4 33.Rh4 Rf8 34.Bd1 a6 35.a5 Re7 36.Ng5 Re5 37.Nf3 Re4 38.Kc3 Ne2 39.Be2 Re2 40.Ng5 Rf5 41.Ne6 Rf3 0-1. zembelek (2085) - LukaTreb (2265), Rated Blitz tournament, lichess.org, 2016.

7.f3 ef3 8.Nf3 Bg7 9.Qd3 0-0 10.h3 (10.Be2 Re8=) 10...Re8=+ 11.Kf2 Nc6 12.b5 Ne7 (12...Ne4 13.Ne4 fe4 14.Qc3-/+) 13.Re1 (13.Be2 d5=) 13...a6 14.a4 ab5 15.ab5 c6 (15...d5 16.Rc1-/+) 16.e4 fe4 17.Ne4 Ne4 18.Qe4 Bf5 19.Qf4 Ra2 20.Re2 cb5 21.cb5 Nd5 22.Qc1 Nf4 23.Re8 Qe8 24.Bc4 (24.Qf4 Rb2 25.Kg3 Qe6=+) 24...d5-/+ 25.Re1 Rb2?? (better 25...Qd7 26.Bf1 Nd3 27.Bd3 Bd3-/+) 26.Qb2+/- Qd8 27.Bf1 Be4 28.Ne5 (28.Qc3 Ne6+/-) 28...Qb6 (28...Qh4 29.g3 Nh3 30.Bh3 Qh3 31.Nf3-/+) 29.Re4 (29.Kg3 Ne6 30.Bc4 Kh8 (30...Qd4? 31.Qd4 Nd4 32.Re4 Be5 33.Re5 dc4 34.b6+-) 31.Re4 de4 32.Be6 Qe6+=) 29...de4 30.Qb3 (30.Bc4 Kh8 31.Nf7 Kg8 32.Ng5 Kf8+/-) 30...Ne6= 31.Kg3 (31.Ke1 Be5 32.de5 Kg7=) 31...Be5 (better 31...Qd6!?-/+) 32.de5= Kg7 33.Bc4 (better 33.Qd5 Qe3 34.Kh2 Qf4 35.Kg1=) 33...Nd4-+ 34.Qc3 Qc5 (34...Nb5? 35.Qb3+-) 35.Kf4?? (better 35.e6 e3! 36.Kh2-+) 35...Ne2!! 36.Be2 Qc3 37.Ke4 b6 38.Bd3 (38.g4 Qh3 39.Kd4 Qh2-+) 38...Qb4 (38...Qd2 39.g4-+) 39.Ke3 g5 40.g3 (40.e6 Qf4 41.Ke2 Qg3-+) 40...h6 (40...Qe1 41.Kf3-+) 41.Kf3 Qd4 42.Be4 (42.Be2 h5-+) 42...Qe5 43.Bc6 Kf6 44.h4 Qc3 45.Kg4 (45.Kg2 Qc2 46.Kg1 Kf5 47.Bg2 Kg4 48.h5 Kg3 49.Bh3 Qf2 50.Kh1 Qh2) 45...Qd4 (better 45...Qc4 46.Kh3 Qf1 47.Bg2 g4 48.Kh2 Qb5-+) 46.Kh5 (46.Kf3-+) 46...gh4 (46...Qd1 47.Kh6 gh4 48.gh4 Qg4 49.Be8 Qh4 50.Bh5 Qg5 51.Kh7 Qg7) 47.gh4 (47.Be8 hg3 48.Kh6 Qh4 49.Bh5 Qg5 50.Kh7 Qg7) 47...Qf4 48.Bd7 Kg7 49.Bc6 (49.Bc8 Qf3 50.Bg4 Qf7) 49...Qe5 (49...Qf5) 50.Kg4-+ h5 51.Kf3 Qd4 0-1. zembelek (2205) - TexasDeBrazil (2160), Rated Classical tournament ciJQU5kP, lichess.org, 2016.

7.f4 ef3 8.Nf3 Bg7 9.Bd3 0-0 10.0-0 c6 11.c5 d5 12.Qd2 Qe7 13.Rae1 b6 14.Ne5 Bb7 15.Qf2 Nbd7 16.Nd7 Nd7 17.Qg3 a5 18.Qc7 ab4 19.Nd5 cd5 20.Qb7 bc5 21.Qd5 Kh8 22.e4 fe4 23.Be4 Rf1 24.Rf1 Re8 25.Bf3 cd4 26.Bd4 Nf6 27.Qb3 Rd8 28.Rd1 h5 29.Qb1 Rd4 30.Rd4 Qc5 31.Kf1 Qd4 32.Qg6 Qa1 33.Kf2 Qa2 34.Kg3 Qc4 35.h3 h4 36.Kh2 b3 Normal 0-1. Mettigel (2255) - durdevic (2125), Rated Blitz game, lichess.org, 2015.

6.c5 d5

7.Nc3 c6 8.Nge2 b6 9.Nf4 bc5 10.bc5+= Be7 11.Be2 0-0 12.0-0 Qe8 13.Qb3 g5 14.Nh3 Qg6 15.f3+= f4? 16.fe4+- Bh3 17.ed5 Kh8 18.Qb7 Nbd7+/- 19.dc6 Rab8 20.Qa7+= Rb2 21.cd7 Bd7 22.ef4 gf4 23.Rf4 Rg8 24.g3 Qe8 25.Raf1 Bh3 26.Re1 Rf8?? 27.Qa3 Qb8 28.Bf3 Rg8 29.Re2?? Rb1?? 30.Kf2 Rf1+= 31.Ke3 Ng4 32.Bg4 Bg5? 33.Bh3+- Bf4 34.gf4?? Qf4+/- 35.Kd3 Rf3 36.Kc4 Rh3 37.Qb2 Rb8 38.Nb5 Qf7?? 39.Kb4 Qb7?? 40.Kc4 Rh4 41.a4 Qf7= 42.Kd3 Rh3 43.Kd2+/- Qf4 44.Kd1?? Qf1–+ 45.Kd2 Qf4?? 46.Kd1 Rd3 47.Rd2 Qf1 48.Kc2=+ Rd2 49.Kd2 Qf2?? 50.Kc3+- Qf3 51.Kc4 Qf1 52.Kc3 Qe1?? 53.Qd2 Qa1 54.Kb3 Qb1 55.Qb2 Qd3 56.Kb4 Qe4 57.Kc4 Qf4 58.Qe2 Qf7 59.d5 Re8 60.Qb2 Kg8 61.Qg2 Kf8 62.Nd4 Re3 63.a5 Ra3 64.Kb4 Rd3 65.Ne6 Ke8 66.Kc4 Rd1 67.Qe2 Rc1 68.Kd4 Qf6 69.Qe5 Rc4! 70.Kc4 Qe5 71.c6 Qh2 72.Kc5 Ke7 73.Kb6 Qb8 74.Ka6 Qc8 75.Kb6 Kd6 76.c7 Kd5 77.Nc5 h5 78.a6 h4 79.a7 h3 80.Na6 Kd6 81.a8Q Qa8 82.Nb8 Qa4 83.c8Q= Qb4 84.Ka7?? Qc5–+ 85.Qc5 Kc5 86.Na6 Kc4 87.Nc7 h2 88.Na8 h1Q 89.Nb6 Kb5 90.Nd7 Qh7 (90...Qh7 91.Ka8 Qd7 92.Kb8 Kc6 93.Ka8 Qb7) 0–1. wlittle (2295) – alexp (2370), net–chess.com, 2003.

7.Nc3 c6 8.Nge2 Be7 9.Nf4 g5 10.Nh5 Nbd7 (better is 10...0-0!?=) 11.Ng7+/- Kf7 12.Nf5 Nf8 13.Ne7 Qe7 14.Be2 h5 15.h4 g4 16.g3 (16.Qc2!? Ng6+-) 16...Ng6 17.a4 Bf5 18.b5 a6 19.b6 (19.Ra3 Rhf8+/-) 19...Qd7 (19...Rhf8 20.a5+/-) 20.a5 (20.Qd2 Rhf8+/-) 20...Ne7 21.Qb3 Be6 22.0-0-0 Qc8 23.Qb4 Rf8 24.Rd2 Kg7 25.Bd1 Nd7 26.Bb3 Nf5? 27.Ne4!+- de4? 28.Be6 Qe8 29.d5 Nf6 30.Bf5 cd5 31.Rd5 Kh6 32.Rd6 Qe7 33.Rhd1 Rad8 34.Rd8 Rd8 35.Rd8 Qd8 36.Bf6 Qf6?? 37.Be4 Qa1?? 38.Qb1 Qa3 39.Kd2 Qc5 1–0. slavisa11 – GirlPower11, Live Game Caissa's Web, 2004.

6.d5 c6

7.Nc3 a5 8.b5 Be7 9.Nge2 0-0 10.Nf4 g5 11.Nh5 Qe8 (11...Nh5!? 12.Qh5 Bf6+=) 12.Nf6+/- Bf6 13.Be2 (13.dc6!? bc6 14.Qd6+/-) 13...cd5 14.Qd5 Kg7 (14...Qe6 15.0-0-0 Be5 16.Qe6 Be6 17.Nd5 Bd5 18.Be5 (18.cd5?! Nd7=) 18...de5 19.Rd5+/-) 15.0-0 (15.Qd6 Be6+/-) 15...Qe7 16.a4 Be6 17.Qd2 Nd7 18.Nd5 Bd5 19.Bf6 Nf6 20.cd5 b6 (20...Qe5!?=) 21.Rac1+/- Rac8 22.Rc6 Qe5 23.Rfc1 Rc6 24.dc6 (24.Rc6?! Nd5 25.Bd1 f4=) 24...Rc8 25.Rd1 Ne8 (25...d5+/-) 26.Bh5 (better 26.g4+/-) 26...Nf6= 27.Be2 d5 (27...Ne8 28.Qd5 Qd5 29.Rd5 Kf6+-) 28.Qa2 Rc7 29.Qa3 Kf7 30.Qc1 Qd6 31.Bc4! Qe5 (31...dc4 32.Rd4 Double attack (32.Rd6 Pinning; 32.Rd6 Deflection; 32.Rd4 Decoy)) 32.Bb3 Ke7 33.Qd2 Kd6 34.Qc1 Ke7 35.Qa3 Qd6 36.Qa2 (36.Qb2 Ke6+/-) 36...Ke6 37.Qb2 Qe5 38.Qe5 (38.Rd4 f4+/-) 38...Ke5+= 39.Rd4 Kd6 40.f3 Kc5 41.fe4 fe4 42.Kf2 Kd6 43.h3 Ke5 44.g4 h5 (44...Kd6 45.Kg3+=) 45.gh5 (45.h4 gh4 46.g5 Ng4 47.Ke2 Kf5+/-) 45...Rh7 46.Kg3 (46.Bd1 Kd6+/-) 46...Kd6 (46...Nh5 47.Kf2 Nf4 48.Rd2 Nd3 49.Kg3=) 47.Bc2 Rh5 48.Bb3 Rh7 49.Rd1 Rc7 50.Bc2 Ke5 51.h4 (51.Rf1 Rf7+=) 51…gh4= (51...gh4 52.Kh4 Rh7 53.Kg3 Rg7 54.Kf2 Ng4 55.Ke2 Rh7=). muhammadaudii (2115) - masterofmany (2095), Rated Blitz game, lichess.org, 2020.

7.Nc3 Na6 8.a3 Bd7 9.Nge2 Nc7 10.Qb3 Be7 11.Nd4 0-0 12.Be2 Qe8 13.0-0 Qg6 14.Kh1 Ng4 15.Bg4 Qg4 16.c5 dc5 17.d6 Kh8 18.de7 Rf6 19.bc5 Rg6 20.Rg1 Re8 21.Qf7 Rf6 22.Qb3 Re7 23.Qb7 Be8 24.Nde2 Ref7 25.Ng3 Ne6 26.Qc8 Rf8 27.Nce2 Bh5 28.Bf6 Rc8 29.Be5 Qg6 30.Rab1 Be2 31.Ne2 Nc5 32.Nf4 Qf7 33.Rgc1 Nd3 34.Nd3 ed3 35.Rd1 Qd5 36.Bd4 c5 37.Rb5 Qc4 38.Bg7 Kg7 39.Rb7 Kh6 0–1. polynesia46 (1625) – jatoja1900, internet, 2013.

7.Nc3 cd5 8.Nd5 Nd5 9.cd5 Qg5 10.Nh3+/- Qh6 11.Nf4 Be7 12.Bb5 Bd7+/- 13.Bd7 Nd7 14.Ne6 a5?? 15.Bg7+- Qg6 16.Bh8 Rc8 17.0-0 Nf6 18.Nf4 Qg8 19.Bf6 Bf6 20.Rc1 Ke7 21.Rc8 Qc8 22.Qc1 Qd7 23.ba5 Qa4 24.Qc7 Kf8 25.Qd6 Kg7 26.Nh5 Kg6 27.Nf6 Qa2 28.Ne8 Kg5 29.Qf6 Kg4 30.h3 Kh5 31.Ng7# 1–0. einaar (2055) – cruciverbalist (2075), net–chess.com, 2007.

7.Nc3 Nbd7 8.Qb3 Ne5 9.Nh3 Nd3 10.Bd3 ed3 11.Rd1 Ne4 12.Rd3 Qh4 13.0-0 Be7 14.dc6 bc6 15.Ne2 0-0 16.Nef4 g5 17.c5 d5 18.Nd5 cd5 19.Qd5 Rf7 20.Qa8 Rf8 21.Qd5 Rf7 22.Qe5 Nf6 23.Qc7 Ba6 24.b5 Bf8 25.Qb8 Bb7 26.c6 g4 27.Nf4 Bc6 28.bc6 Ne4 29.Rd8 g3 30.hg3 Ng3 31.fg3 Qg3 32.Bd4 h5 33.Ne6 1–0. polynesia46 (1615) – jatoja1900, internet, 2013.

7.Ne2 cd5 8.cd5+= Nbd7 9.Nf4 a6? 10.Ne6+- Qb6 11.Qd2 Nb8?? 12.Bd4 Nd5 13.Bb6 Nb6 14.Nc7 Kd7 15.Na8 Na8 16.Nc3 Nb6 17.Nd5 (17.Nd5 Nd5 18.Qd5+-) 1–0. Van Rooijen,Peter – Brown,Dennis, IECC, 2000.

6.d5 Nbd7

7.Nc3 Ne5 8.f4 ef3 9.Nf3 Neg4 10.Qd2 Qe7=+ 11.0-0-0 Bd7 12.Bd3 0-0-0 13.h3 Ne5 14.Ne5 de5 15.c5 Kb8 16.e4 fe4 17.Be4 Ne4 18.Ne4 g6 19.Rhf1 Bf5 20.d6 cd6 21.Nd6 Bg7 22.Qe3 h5 23.Nf5 Rd1 24.Kd1 gf5 25.Kc2 Qe6 26.Kb1 Rf8 27.Qg5 Bh6 28.Qh5= Bd2 29.a3 e4 30.g3 e3 31.Qe2 Rg8 32.g4 Qe4 33.Ka1 f4 34.b5 Rf8= 35.b6 f3 36.Qh2–+ Rf4 37.Rf3?? e2–+ 38.Ka2 e1Q 39.c6 Q1b1 (39...Q1b1 40.Kb3 Qf3#) 0–1. Labahn,Thomas – Brodowski,E jun, 4er Pokal Luebbecke, 1990.

7.Ne2 Ne5 8.Nd4 Be7 9.Be2 0-0 10.0-0 Ng6 11.f3 f4 12.ef4 Nf4 13.fe4 Ne4 14.Nd2 Ne2 15.Qe2 Nd2 16.Qd2 Bf6 17.Qe2 Re8 18.Qh5 Bd7 19.Rae1 Re1 20.Re1 Be5 21.Ne6 Be6 22.Be5 Bf7 23.Qg4 de5 24.Re5 Qd6 25.Qe2 Qb4 26.Re7 Qb1 27.Kf2 Rf8 28.Kg3 Qg6 29.Kh3 Qh6 30.Kg3 Qg5 31.Kh3 Bh5 32.Qe6 Kh8 33.g4 Bg4 34.Qg4 Qe7 0–1. kaasparov – fulzbych, internet, 2013.

7.Ne2 Ne5 8.Nd4 g6 9.Be2 Bg7 10.0-0 0-0 11.Nd2 g5 12.f4 ef3 13.N2f3 Ne4 14.Bd3 (14.Nd2 a5 15.ba5 Nc5+=) 14...Nd3= 15.Qd3 Qe7 16.Rae1 Bd7 17.Nd2 Rae8 18.Ba1 Nd2 19.Qd2 Qe4 20.Qc2 (20.Bc3 Bh6=) 20...c6 (20...Qc2!? 21.Nc2 Ba1 22.Ra1 Re4-/+) 21.dc6 bc6 22.Qe4 (22.Qd2 Re7=) 22...Re4=+ (worse 22...fe4 23.Nb3=) 23.c5 (23.Rd1 Rf7=+) 23...dc5-/+ 24.bc5 f4 25.ef4 (better 25.Nf3!? Ba1 26.Ra1-/+) 25...Bd4-+ 26.Bd4 Rd4 27.Re7? (better 27.fg5 Rf1 28.Kf1-+) 27...Rff4 28.Rb1 (28.a3 a6-+) 28...Rf8 (28...Rf7 29.Re5 g4 30.Rbe1-+) 29.h3 Bc8 (better 29...Rf7!? 30.Re5-+) 30.Ra7 Rd7 (30...Rc4 31.a4-+) 31.Ra8 Rdd8 32.Rbb8 Kf7 33.a4 (33.Ra7 Bd7 34.Rb2 Kg6-+) 33...Ke7 (33...Ke6 34.Ra7 Kd5 35.Rh7 Kc5 36.Rh5 Rd1 37.Kh2-+) 34.Ra7 Bd7 35.Rbb7 (35.Rb2 Rf5 36.Re2 Kf6-+) 35...Rf4 (35...Rf5 36.Ra5-+) 36.a5 (36.Rb1 Rd4-+) 36...Ra4 (36...Rc4 37.a6-+) 37.a6 (37.Rb3 Rd4-+) 37...Ke6 (37...Ra5 38.Rb3 Rc5 39.Ra3-+) 38.Kf2 (38.Rb3 Kd5-+) 38...Ra5 39.Rc7 (39.Rb2 Rf8 40.Kg3 Rc5-+) 39...Rc5 40.Rab7 (40.Kf3 Kd6-+) 40...Ra5 41.a7 (41.Rb6 Ra2 42.Kg3 Kd6-+) 41...Ra2 42.Kg3 Ra3 (42...Kd6 43.Kf3-+) 43.Kh2 (43.Kg4 Kd6 44.Kg5-+) 43...Ra8 (better 43...Kd6-+) 44.Rd7+= Kf6? (better 44...h6!?+=) 45.Rdc7 Ke6 46.Rc6 Kd5 47.Rcc7 Kd6? (better 47...h6+-) 48.Rh7 Ke6 49.Rhg7 Kf6 50.Rbf7 Ke6 51.Rb7 Kf6 52.Rgf7 (52.Rbe7 Rf8+-) 52...Kg6 53.Rfc7 Kf6 54.Rc6 Ke5 55.Rb5 (55.Re7!? Kd5 56.Rcc7 Kd4+-) 55...Kd4 56.Rg5 R3a7 57.Rf6 Kc4 (57...Re8 58.h4+-) 58.Rf4 Kd3 59.Rg3 Ke2 60.h4 Rh7 61.Re4 (61.Rb3 Rd8+-) 61...Kf2?? (61...Kd2+-) 62.Rf3 1-0. Rudzinska,Michalina (2210) - Shvedova,Alexandra (2065), Titled Tuesday 1st Feb A, 2022.

7.Ne2 Qe7 8.Nd4 Ne5 9.Be2 g6 10.0-0 Bh6 11.Na3 0-0 12.Nac2 f4 13.ef4 Bf4 14.g3 Bh6 15.f4 ef3 16.Nf3 Bh3 17.Rf2 Neg4 18.Rg2 Rae8 19.Nfd4 Qe4 20.Bf3 Be3 21.Ne3 Qe3 22.Kh1 Bg2 23.Kg2 Qf2 24.Kh3 Qh2 0–1. kaasparov – marcelfm, internet, 2013.

7.Nh3 Ne5 8.Nc3 g6 9.Be2 Bg7 10.0-0 0-0 11.c5 Nfg4 12.Rc1 Qh4 13.cd6 cd6 14.Ba1 f4 15.ef4 Rf4 16.Nb5 e3 17.Be5 ef2 18.Kh1 Be5 19.Bg4 Bg4 20.Qd3 a6 21.Nc7 Raf8 22.Ne6 Rf3 0–1. polynesia46 (1640) – lucasmenezes, internet, 2014.

6.d5 Be7

7.Nd2 0-0 8.f3 c6 9.Be2 Qe8 10.Qc2 cd5 11.cd5 Nd5 12.a3? Bf6 13.Bc4 Be6 14.Bd5 Bd5 15.Ne2 Nc6 16.0-0? Rc8 17.Rac1? ef3–+ 18.Ng3 Qe3 19.Rf2 Bb2 20.Qb2 fg2 21.Nf5 Rf5 (21...Rf5 22.Ne4 Be4–+) 0–1. wlittle (2100) – hobgoblin (1700), net–chess.com, 2005.

7.Be2 0-0 8.Nh3 a5 9.a3 Na6 10.Nd2 Bd7= 11.b5 Nc5 12.a4 Ng4 13.Nb3 Nb3 14.Qb3 Bf6 15.Bg4 fg4 16.Nf4 b6 17.0-0 Qe7 18.Ne2 Bb2=+ 19.Qb2 Rf6 20.Ng3 Rh6 21.Rfd1 Qh4 22.Nf1 Rf8 23.Qe2 Be8 24.Rd4 Bg6 25.Ra2 Rh5 26.Qd1 h6 27.Rad2 Re5 28.Ng3 Qg5 29.Qc2 h5 30.Nf1 h4 31.Qc1 Bh5 32.Qc2 Bg6 33.Qc1 Kh7 34.Ra2 Rf6 35.Ra3 Bh5 36.Qc2 Qf5 37.Ra2 g3 38.hg3+/- h3 39.f4 hg2+= 40.Kg2 Rh6 41.fe5 Bf3–/+ 42.Kf2 Bd1 43.Ke1 Bc2 44.Rc2 Qe5 45.Rf2 Rh1 46.Rf4 g5 47.Rfe4?? Qg3–+ 48.Ke2 Qg2 49.Kd3 Qf1 50.Kc3 0–1. Bui Dac Khuong – Tran Quoc Dung (2125), VIE–chT, 2003.

7.Be2 0-0 8.Nh3 a5 9.a3 c6 10.0-0 Nbd7 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.Nd2 (11.Nf4 Ne5 12.Qb3=) 11...Nb6 Black plans a4 (11...Ne5!?=) 12.Qb3 (12.Nf4 cd5 13.cd5 Qe8+- (13...Nbd5?? 14.Bc4+-)) 12...a4 (12...Bd7 13.Nf4+-) 13.Qa2+- Kh8 (13...Qe8 14.Nf4+-) 14.Nf4 c5 (14...Qe8 15.Bd4 Bd8 16.h4+-) 15.Rac1 (15.Rfb1 Qc7+-) 15...g5+- 16.Nh5 (16.bc5 dc5 17.Nh5 Kg8+-) 16...Nbd7 17.f3 (17.f4 g4+-) 17...ef3 (17...cb4 18.ab4 a3 19.Bd4+-) 18.Nf3 g4 (18...cb4 19.ab4 g4 20.Nd2+-) 19.Nh4+- Ne5 20.Nf6 (20.Ng3 cb4 21.Nhf5 b3+-) 20...Bf6 21.Nf5 Bf5 (21...cb4 22.c5 ba3 23.Qa3 (23.Ba3?! Bg5 24.Nd6 Be3 25.Kh1 Bc1 26.Rc1 Qg5+-) 23...dc5 24.Rc5 (worse 24.Qc5 Bf5 25.Rf5 Nf3 26.gf3 Bb2 27.Qf8 Qf8 28.Rf8 Rf8=+) 24...Bf5 25.Rf5+-) 22.Rf5+- Bg7 (22...cb4!? 23.ab4 a3 24.Ba3+-) 23.Rf8 Qf8 (23...Bf8 24.bc5 Qg5 25.Kh1 Qe3 26.Qa1 Qc5 27.Bd4+-) 24.bc5 dc5 25.Rf1 Qe7 26.Qa1 (26.Qb1 Kg8+-) 26...Qg5 27.Rf4 Re8 28.d6 (28.Qd1 Ng6 29.Qa4 Qe7 30.Bg7 Kg7+-) 28...g3 (28...Qg6 29.d7! Nd7 30.Bg4 Bb2 31.Qb2 Ne5+-) 29.h4 (better 29.hg3 Qg6 30.d7 Nd7 31.Rg4 Bb2 32.Qb2 Qf6 33.Qb7+-) 29...Qd8?? (better 29...Qg6+-) 30.Bh5+- Re6 31.Bg4 Qh4 (31...Qd6 32.Be6 Qe6+-) 32.Bh3 (32.Rf8! Bf8 33.Be5 Re5 34.Qe5 Qf6 35.Qf6 Bg7 36.Qd8 Bf8 37.Qf8) 32...Qh5 (32...Qh6 33.Be6 Qh2 34.Kf1 Qh1 35.Ke2 Qg2 36.Kd1 Qh1 37.Kc2 Qg2 38.Kb1 Qh1 39.Ka2 Qa1 40.Ba1 h6 41.Rg4 Bf6 42.Rg6 Bg7 43.d7 Kh7 44.Rg7 Kg7 45.Be5 Kg6 46.d8Q b5 47.Qg8 Kh5 48.Qg4) 33.Rf5 (better 33.d7 Rd6 34.Rf8 Bf8 35.Be5 Bg7 36.Bg7 Kg8 37.d8Q Rd8 38.Be6 Qf7 39.Bf7 Kf7 40.Qf6 Kg8 41.Kf1 h6 42.Qg6 Rd1 43.Ke2 Rd7 44.Bd4 Kf8 45.Bc5 Re7 46.Qf6 Kg8 47.Be7 Kh7 48.Qf7 Kh8 49.Bf6) 33...Qh6 34.Be5?? (better 34.Kh1 Nd7 35.Rf7 Bb2 36.Qb2 Re5 37.Qb1+- (37.Rd7 Qe3 38.Rd8 Kg7 39.Rd7 Kh6 40.Rh7 Kh7 41.Qb1 Kg7 42.Qf1 Qd2 43.d7 Re1 44.Qg1 Rg1 45.Kg1 Qe1)) 34...Qe3+- 35.Kh1 Re5?? (better 35...Be5 36.Qf1 Rd6 37.Re5 Rd1 38.Qd1 Qe5+-) 36.d7+- Qe1 (36...Re8 37.de8Q Qe8+-) 37.Rf1 Qd2 (37...Re8 38.Qe1 Re1 39.d8Q Re8 40.Qe8 Bf8 41.Qf8) 38.Qd1 (38.Rf8! Bf8 39.Qe5 Bg7 40.Qe8 Bf8 41.Qf8) 38...Qd1+= 39.Rd1 Bf6 40.d8Q Bd8 41.Rd8 Kg7 42.Rd1 Re3 43.Ra1 Re4 (43...Kf6 44.Bd7 Rc3 45.Bc8+=) 44.Bc8 Rc4 (44...b6 45.Ba6+=) 45.Bb7+- Kf6 46.Kg1 (46.Bc6 Rd4+-) 46...Ke5 (46...h6 47.Bc6+-) 47.Ba6 (47.Bc6 h6+-) 47...Re4 (47...Rc2 48.Bb5+-) 48.Rc1 (better 48.Bd3!? Re3 49.Bc2+-) 48...Re3= 49.Rc5 Kd6 50.Rc1 (50.Rc2 Ra3 51.Kf1 h5=) 50...Ra3 51.Kf1 (51.Bb5 h6=) 51...Re3 52.Rd1 (52.Be2 a3=) 52...Kc5 53.Rd3 Rd3 54.Bd3 a3 55.Bb1 (55.Bh7?? a2 56.Ke2 a1Q–+) 55...Kd4 56.Ke2 (56.Bh7?? a2 57.Ke2 a1Q–+) 56...Kc3 57.Ba2 (57.Bh7?? a2 58.Kf3 a1Q 59.Kg3 Kd4–+) 57...Kb2 58.Be6 a2 59.Ba2 Ka2 60.Kf3 Kb3 ½–½. Dragojevic,Miodrag (2145) – Karthik,V4 (2465), 2. Krunoslav Hulak Memorial, 2017.

7.Nh3 h6 8.Nf4 0-0 9.Be2 g5 10.Ng6 Rf7 11.0-0 Nbd7 12.Nd2 Rg7 13.Ne7 Qe7 14.Nb3 Ne5 15.Nd4 f4 16.Kh1 Bg4 17.Bg4 Nfg4 18.Nf5 Qf6 19.Ng7 Kg7 20.Qg4 Ng4 21.Bf6 Kf6 22.ef4 gf4 23.h3 Ne5 24.Rac1 Re8 25.Rc3 Nd3 26.Kg1 Nb4 27.Rb3 a5 28.a3 Nc2 29.Rb7 Re7 30.Ra7 Na3 31.Ra5 Nc4 32.Ra7 Nb6 33.Rd1 Ke5 34.Ra5 Nc4 35.Rb5 Nb6 36.Kf1 h5 37.g3 fg3 38.fg3 Rf7 39.Kg2 Rf3 40.Rc1 Rd3 41.Rc7 Rd2 42.Kf1 e3 43.Rh7 Ke4 44.Rh5 Nc4 45.Rh4 Kd3 46.Rb3 Kc2 47.Rc4 Kb3 48.Re4 Rd5 49.Re3 Kc4 50.Kf2 Rd2 51.Kf3 d5 52.g4 d4 53.Re4 Rd3 54.Kg2 Rd2 55.Kg3 Kd3 56.Re7 Re2 57.Rd7 Re3 58.Kh4 Ke4 59.g5 d3 60.g6 Kf5 61.g7 Re8 62.Rd3 Kg6 63.Rg3 Kh7 64.Rg5 Rg8 65.Rh5 Kg6 66.Rg5 Kf6 67.Kg4 Ke6 68.h4 Kf6 69.h5 Kf7 70.h6 Rb8 71.h7 Rb4 72.Kh5 Rb1 73.g8Q Ke7 74.Qg7 Kd6 0–1. polynesia46 (1630) – tnw7124g (1620), internet, 2014.

7.Ne2 0-0

8.Nd4 c5 9.dc6 Nc6 10.Be2 Nb4 11.Qb3 Nc6 12.0-0 Kh8 13.Nc3 Nd4 14.ed4 b6 15.d5 Nd7 16.Nb5 Nc5 17.Qc2 Bd7 18.Nd4 Bf6 19.f3 e3 20.Bd3 Bd4 21.Bd4 Nd3 22.Qd3 f4 23.Qc3 Qg5 24.Rfe1 Rfc8 25.Rac1 Rc7 26.Qa3 Qg6 27.Bb6 Rb7 28.Bd4 Rab8 29.Rcd1 Bh3 30.Re2 Bf5 31.Qc3 Rb1 32.Rf1 Rf1 33.Kf1 Bd3 34.Bg7 Kg8 35.Bd4 Rb1 0–1. kaasparov – bicimat, internet, 2013.

8.Nd4 c6 9.dc6 Nc6 10.Nc6 bc6 11.Be2 Be6 12.0-0 Qd7 13.Nd2 a5 14.b5 cb5 15.cb5 Rfb8 16.a4 d5 17.Nb3 Bb4 18.Nd4 Bf7 19.Nc6 Rc8 20.Nb4 ab4 21.Bf6 gf6 22.Qd4 Rc2 23.Bd1 Rc4 24.Qf6 Rac8 25.h3 d4 26.Bb3 Rc3 27.Bf7 Qf7 28.Qd4 b3 29.Rfb1 Qc7 30.g3 Qf7 31.b6 Rd3 32.Qb4 Qg7 33.a5 Re3 34.Kg2 Rc2 35.Rb3 Qg3 36.Kf1 Qf2 0–1. kaasparov – snoopy79, internet, 2013.

8.Nd4 Bd7 9.Be2 c5 10.bc5 dc5 11.Nb3 Na6 12.0-0 Ba4 13.Nc3 Bb3 14.ab3 Nc7 15.h3 Bd6 16.Qc2 b6 17.Rfd1 Qe7 18.Ra2 Be5 19.Rda1 a5 20.Na4 Bb2 21.Qb2 Qd6 22.Nc3 Rf7 23.Rd1 Raf8 24.f3 Nd7 25.f4 h6 26.Rf1 g6 27.g4 Qf6 28.Nd1 Qd6 29.Nf2 Nf6 30.Qe5 Qd7 31.d6 Re8 32.Qc3 Qd6 33.Rd2 Qe6 34.Kh2 g5 35.fg5 hg5 36.gf5 Qf5 37.Ng4 Ng4 38.hg4 Qe5 39.Qe5 Re5 40.Rd8 Kg7 41.Rf7 Kf7 42.Rd7 Re7 43.Re7 Ke7 44.Bd1 Kf6 45.Bc2 Ke5 46.Kg3 b5 47.Kf2 bc4 48.bc4 Na6 49.Ke2 Nb4 50.Ba4 Na2 51.Kd2 Nb4 52.Kc3 Na6 53.Kb3 Nc7 54.Bc6 Ne6 55.Ka4 Nf8 56.Ka5 Ng6 57.Kb5 Nh4 58.Kc5 Ng2 59.Kb6 Ne3 60.c5 Ng4 61.Bd7 Nf6 62.c6 e3 63.c7 Nd5 64.Kc6 Nc7 65.Bg4 Nd5 0–1. kaasparov – tinarg5551, internet, 2013.

8.Nf4 Qe8 9.h4 c5 10.b5 Ng4 11.Be2 Bf6 12.Nc3 Ne5 13.Qc2 a6 14.a4 ab5 15.ab5 Ra1 16.Ba1 Nbd7 17.Kd2 Nb6 18.Qb3 Kh8 19.Kc2 Bd7 20.Bb2 Qf7 21.g3 g6 (21...Ra8!?=+) 22.Ra1= Qg7 23.Ra7 Bc8 24.Ne6 (24.Kd1 Qe7=) 24...Be6=+ 25.de6 Ra8 (25...Qe7 26.Nd5 Nd5 27.cd5=) 26.Ra8= Na8 27.Nd5 Nc7 28.Nf6 (28.e7 Ne8 29.Qa4 (worse 29.Nf6 Nf6 30.e8N Ne8=+) 29...Be7 30.Qa8+/-) 28...Qf6=+ 29.b6 Ne6 30.Qb5 (30.f3 ef3 31.Bf3 Qe7=+) 30...Qe7 31.Qa5 Kg7 32.Qa8 Kh6 33.Qh8 (33.Kd1 Qd7=+) 33...Nd8 (33...Nf8!?-/+) 34.Bc3 Ndc6 35.Qc8 Kg7 (35...Nf3 36.Qc7=) 36.Qc7 (36.h5!?=) 36...Kf7=+ 37.Qc8 Nd8 38.h5 Qd7 39.hg6 (39.Qc7 Ne6 40.Qd7 Nd7-/+) 39...hg6-/+ (39...Kg6?! 40.Qb8=) 40.Qc7 Ke6 (better 40...Ne6!? 41.Qd7 Nd7-/+) 41.Be5= de5 42.g4 (better 42.Qc5 Nc6 43.g4=) 42...Nc6-+ 43.gf5 gf5 44.Qd7 Kd7 45.Bh5 (45.Kb3 Ne7-+) 45...Ke6 (45...Ne7 46.Kb3 Kc6 47.Kc3-+) 46.Bg6? (46.Kb3 Nb8-/+) 46...Nb4 (46...Ne7 47.Bh5-+) 47.Kb3 (better 47.Kd2!?-/+) 47...Nd3-+ Black prepares the advance f4 48.Be8 Nf2 49.Bc6 Nd1 (49...bc6?? 50.b7 Nd1 51.b8Q Ne3 52.Qe8 Kf6 53.Qh8 (worse 53.Qc6 Kg5+-) 53...Kg5 54.Qe5+-) 50.Bb7 Kd6 (50...Kd7 51.Ba8-+) 51.Bc8? (51.Ka4 Ne3 52.Kb5 Nc2-/+) 51...f4 (better 51...Ne3 52.Bb7 Nf1-+) 52.Bg4? (52.ef4 ef4 53.Bb7-+) 52...f3 53.Bh3 (53.Ka4 Ne3 54.Bh5 Nc4-+) 53...Ne3 54.Ka4 (54.b7 Kc7 55.Kc3 Kb8-+) 54...Kc6 (better 54...Nc4 55.b7 Kc7-+) 55.Ka5 (55.b7 Kb7 56.Kb3 Kb6-+) 55...Kb7 (better 55...Nc4 56.Ka6 Nb6 57.Bf5-+) 56.Be6 (56.Kb5 Nc2 57.Kc5-+) 56...f2 57.Bd5 Nd5 58.cd5 (58.Ka4 f1Q 59.Kb3 Qb1 60.Ka3 Qb4 61.Ka2 Nc3 62.Ka1 Qa3) 58...f1Q 59.d6 (59.Ka4 Qb1 60.Ka3 c4 61.Ka4 Kb6 62.d6 Qb3) 59...Qc4 (59...Qa6) 60.d7 Qb4 0-1. pacalmisu (2140) - glvk (2300), Rated Blitz game, lichess.org, 2015.

8.h4 Nbd7 9.Nf4 Ne5 10.Be2 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Bd7 14.Nd2 Qa8 15.Nb3 (15.Bd4 c6=) 15...Qa4 (15...Qa3 16.b5=+) 16.Bc3= c6 17.0-0 cd5 18.Nd5 Nd5 19.Qd5 Kh8 20.Be5 The backward pawn on d6 becomes a target 20...Qb3 (better 20...de5 21.Nc5 Bc5 22.Qc5 Re8+=) 21.Bd6+- Bc6 22.Qc5 White prepares the advance b5 (22.Qd1 Qd1 23.Rd1 Bd6 24.Rd6 Rc8+-) 22...Bd6+/- 23.Qd6 Re8? (better 23...Rg8+-) 24.b5 Qc2 25.bc6 (25.Bh5 Rc8 26.bc6 bc6+-) 25...bc6 (25...Qe2 26.cb7 Qb2+-) 26.Qc6 Rg8 27.Bh5 Qc3 28.Bf7 Rf8 (28...Rd8 29.Qc7 Qf6 30.Rb1+-) 29.Bd5 (better 29.Qc5!? Rb8 30.Qf5 Qf6 31.Qf6 gf6+-) 29...Qe5 Black prepares f4 30.Ra1 (better 30.Qe6 Qb8 31.c5+-) 30...f4?? (better 30...Qa1 31.Kh2 Qe5 32.Kh3 Qe7=+) 31.Ra8+- Qf5 32.Rf8 (better 32.Qe6 Ra8 33.Qf5+-) 32...Qf8 33.Qa8 (33.ef4 Qd8 34.c5 Qb8+-) 33...Qa8 34.Ba8 fe3 35.fe3 (35.Be4?? e2 36.Bd3 e1Q 37.Bf1 Kg8-+) 35...g5 (35...Kg8+-) 36.c5 gh4 37.c6 Kg7 38.c7 h3 39.gh3 (39.gh3 h5 40.c8Q Kf7 41.Qd7 Kf6 42.Bd5 Kg6 43.Qf7 Kg5 44.h4 Kh4 45.Qf4 Kh3 46.Be6) 1-0. Ligonazo (2290) - alifie (2450), Rated Bullet game, lichess.org, 2020.

6.d5 g6

7.Be2 Bg7 8.Nh3 0-0 9.0-0 Qe7 10.Nd2 Nbd7 11.Rc1 Ne5 12.Qc2 Bd7 13.Nb3 Rad8 14.Rfd1 h6 15.Nd4 Kh7 16.Nf4 Rfe8 17.Nfe6 Rc8 18.Ng7 Qg7 19.Qb3 g5 20.c5 f4 21.Ne6 Qg6 22.ef4 gf4 23.Nf4 Qg5 24.g3 Bg4 25.cd6 cd6 26.Rc8 Rc8 27.Be5 Qe5 28.Bg4 Ng4 29.Ne6 Qf6 30.Nf4 Ne5 31.Qe3 Nf3 32.Kg2 Re8 33.h4 Qg7 34.Kh3 Qd7 35.Kg2 Qg4 36.Rh1 Rf8 37.Qe4 Kh8 38.Qf3 Qf5 39.Ng6 Qg6 40.Qf8 Kh7 41.Re1 a6 42.Re7 1–0. polynesia46 (1605) – kitomania (1625), internet, 2014.

7.Ne2 Bg7 8.Nd4 0-0 9.Be2 c5 10.bc5 dc5 11.Nb5 a6 12.N5c3 b6 13.0-0 Kh8 14.Nd2 Qd6 15.f3 Nbd7 16.fe4 fe4 17.Nce4 Ne5 18.Nd6 1–0. kaasparov – hellrose82, internet, 2013.

7.Ne2 Bg7 8.Nf4 0-0 9.Ne6 Be6-/+ 10.de6 Qe7 11.Be2 Qe6 12.0-0 Kh8 (12...Nc6 13.a3-/+) 13.Nc3=+ Nc6 14.b5 (14.Nd5 Qf7 15.Qd2=+) 14...Nb4 (better 14...Ne5!? 15.Nd5 Qf7=+) 15.a3= Nd3 16.Bd3 ed3 17.Qd3 Ne4 18.Rad1 Nc3 (18...Kg8 19.Rb1=) 19.Bc3+= Bc3 20.Qc3 Qe5 (20...Kg8 21.c5 d5 22.Qd4+=) 21.Rd4 (21.Qe5 de5 22.Rd7 Rfc8+/-) 21...c5 (21...f4!?=) 22.bc6+= bc6 23.f4 (23.Qd3 Rf6+=) 23...Qf6= 24.Qa5 (24.Qd3 Rad8+=) 24...c5 (24...Qe7 25.Qd2 Rf6 26.Rd1=) 25.Rd5 (25.Rd3=) 25...h5 (25...Rfe8!?=) 26.Rfd1+/- Rfd8 27.Qc7 Rac8 (27...Qc3 28.R5d3 Qg7 29.Qg7 Kg7 30.Rd6 Rd6 31.Rd6+/-) 28.Qa7 Qe6 29.R1d3 Rd7 (29...Rb8 30.h3+-) 30.Qa6 Rcc7 (30...Re8 31.Qc6+-) 31.Qa8 (31.Rd6!? Rd6 32.Qd6 Qd6 33.Rd6 Kg7+-) 31...Kh7+/- 32.Qa4 h4 33.Qd1 h3 (33...Qe4 34.Qe1+/-) 34.g3 (34.e4!? Qe4 35.Rh3 Kg8+-) 34...Qe4 35.Qe2 (better 35.Qf1!?+/-) 35...Rb7= 36.Rd2 (36.Rd1 Rb3 37.Rc5 dc5 38.Rd7 Kh6=+) 36...Rb1 37.Kf2?? (better 37.Rd1!?=) 37...Qh1 (37...Qg2) 38.e4?? (38.Rd1 Qg2 39.Ke1 Qg1 40.Kd2 Rd1 41.Qd1 Qh2 42.Kc3-+) 38...Qg2 (better 38...Qh2 39.Ke3 Qg1 40.Qf2-+) 39.Ke3 Rb3 40.R5d3 Rd3 (40...Qe4 41.Kf2 Qg2 42.Ke1 Qg1 43.Qf1 Rb1 44.Rd1 Re7 45.Kd2 Qh2 46.Qf2 Qf2 47.Kc3 Qb2) 41.Rd3 (better 41.Kd3!? Ra7 42.Kc3=) 41...Qe4-/+ 42.Kd2 (42.Kf2 Qh1 43.Rd1 Qh2 44.Kf3 Qe2 45.Ke2 Re7 46.Kf2 Re4-+) 42...Qc4 43.g4? (43.Re3 Qd5 44.Kc1 Qg2-/+) 43...Qa2 (better 43...Qf4 44.Kd1 fg4-+) 44.Kc3?? (better 44.Ke1 Qe2 45.Ke2 fg4 46.Kf2-+) 44...Qe2 45.gf5 gf5 46.Rh3 Kg6 47.Rg3 Kf6 48.Kb3 c4 (48...Rb7 49.Kc3 d5 50.Rg6 Kg6 51.h4 d4) 49.Kc3 d5 (49...Rb7 50.Kd4 Qd2 51.Kc4 Rc7 52.Kb5 Qd5 53.Ka6 Qc4 54.Kb6 Qc5 55.Ka6 Ra7) 50.Rh3 (50.Kb4 Qb2 51.Rb3 Qb3 52.Kc5 Rc7 53.Kd6 Qb6 54.Kd5 Qc5) 50...d4 51.Kb4 Qb2 52.Kc4 (52.Kc5 Rc7 53.Kd5 Qg2 54.Rf3 Qf3 55.Kd4 Qd3) 52...Qc3! 53.Kb5 (53.Rc3 dc3 Passed pawn) 53...Rb7 54.Ka6 Qc6 55.Ka5 Rb5 (55...Qb5) 56.Ka4 Qa6 (56...Qc4) 0-1. zomboeb (1625) - Miltonga (1615), lichess.org, 2020.

7.Ne2 Bg7 8.Nf4 0-0 9.h4 Qe8 (9...Qe7!? 10.Qd2 Re8=) 10.Be2+= a5 11.b5 Nh5 12.Bg7 Ng7 13.b6 cb6 14.Nc3 Na6 15.Rb1 Nc5 16.Rb6 Ra6 17.Rb2 Bd7 18.Qd4 Qe7 19.g3 (19.Rh3 Ne8+=) 19...Be8 (19...Ne8 20.0-0=) 20.h5 g5 21.h6 gf4 22.Qg7 Qg7 23.hg7 Kg7 24.ef4 Rf6 25.Kd2 Rh6 26.Rhb1 Kf8 27.Ke3 Ke7? (better 27...Ra8!?+=) 28.Rb7+- Nb7 29.Rb7 Kd8 (29...Bd7!? 30.Ne4! fe4+-) 30.c5! Ra8 (30...dc5 31.Rb8 Double attack (31.Ba6 Discovered attack)) 31.c6 Rc8 32.Nb5 Bc6 33.dc6 Rc6 34.Ra7 Rh1 (34...a4 35.Ra4 d5 36.Ra8 Rc8 37.Ra7+-) 35.Ra5 Rb1 (35...Rh6 36.a4+-) 36.Nd4 Rcb6 37.Rf5 R6b2 38.Rb5 Rb5 39.Nb5 d5 (39...Ke7 40.Ke4 Rb4 41.Kd5+-) 40.Nc3 Rb2 41.Nd5 Ra2 42.Nf6 h6 43.g4 Ke7 44.Ne4 Ra3 45.Bd3 1-0. Carlsen,Magnus (2835) - Vlassov,N (2400), World Rapid, 2018. (=1.c4 f5 2.b4 d6 3.Bb2 e5 4.e3 Nf6 5.d4)

7.Ne2 Bg7 8.g3 0-0 9.Bg2 Nbd7 10.Nd2 Qe7 11.Nb3 Ne5 12.Qc2? Nd3 13.Kd2 Nb2 14.Qb2 Nd5! 15.Nbd4 Nb6 16.Rhc1 c5 17.bc5 dc5 18.Nf5 Bf5 19.Qc2 Rad8 20.Ke1 g5 21.Rab1 Rd3 22.Bf1 Rfd8 23.h3 Be6 24.g4 Nc4 25.Ng3 Bc3 26.Ke2 Rd2 27.Qd2 Rd2 28.Ke1 Rc2 29.Kd1 Rc1 30.Rc1 Qd6 31.Kc2 Qd2 32.Kb1 Na3 (32...Qb2) 0–1. Meier,Bernd – Ryzhov,Vladimir (2400), Internet Section, 2003.

6.Ne2 d5

7.a3 Be7 8.Nec3 Be6 9.cd5 Nd5 10.Nd5 Bd5 11.Nc3 Bf7 12.Be2 0-0 13.0-0 Nd7 14.Na4 Bd6 15.Nc5 Bd5 16.f4 Rf6 17.Rc1 Nb6 18.a4 a5 19.b5 Rh6 20.Bc3? (better is 20.g3=) 20...Qh4–+ 21.h3 Qg3 22.Qe1 (better is 22.Be1 Qe3 23.Kh1 Bc5 24.Rc5–+) 22...Qe3 23.Qf2 Bf4 24.Rc2 Qf2 25.Kf2 Rg6 26.Kg1 Be3 27.Kh2 f4 28.Bg4 Rf6 29.Be1 g5 (29...Bd4 30.Bc3 Bc3 31.Rc3–+) 30.Nd7 (30.Bf2 Bf2 31.Rff2 e3–+) 30...Nd7 31.Bd7 c6 32.h4 h6 33.Bc3 (33.bc6 bc6 34.Bf2 Bf2 35.Rff2 Ra7–+) 33...Rd8 (better is 33...Rf7!? 34.bc6 bc6 35.Bg4–+) 34.bc6 bc6 35.Bg4 Rb8 36.Re2 Rff8 37.hg5 hg5 38.Ba5 0–1. Enxtuul,Altanolzii (1890) – Quliyeva,Sabina, Wch U14 Girls, 2007.

7.Qb3 a5 8.Qa4= Bd7 9.b5 c6 10.Nd2 cb5 11.cb5 Bd6 12.Rb1 Qe7 13.g3 0-0 14.Nc3 Be6 15.Be2 Nbd7 16.0-0 Nb6 17.Qd1 a4–/+ 18.f3 Bd7 19.Rc1 ef3 20.Rf3 Ne4 21.Nde4 fe4 22.Rf8 Rf8 23.Qe1 a3 24.Ba1 Qg5 25.Nd1 Nc4! 26.Bc4 dc4–+ 27.Rc2 Rf3 28.Kh1 Qh5 29.Rg2 Bh3 30.Nc3 Bg2 31.Kg2 Rf6 32.Qe2 Qe2 33.Ne2 Rf3 0–1. Malmstroem,Jan – Ganesan,Arasu, email 4AMM–05, 1997.

7.c5 Nc6 8.b5 Nb8 (8...Ne7!?=) 9.Nf4 (9.Nbc3 Be7+-) 9...g5 10.Nh5 Be6 11.Be2 Bf7 (11...Kf7 12.h4+-) 12.Nd2 (12.Nc3 Bh6+-) 12...c6 13.a4 Nbd7 (13...Nh5 14.Bh5 Be7 15.Bf7 Kf7 16.0-0+-) 14.a5 (14.Ng3 Be6 15.Qb3 Be7+-) 14...a6 15.bc6 bc6 16.g3 (16.Ng3 Be6+=) 16...Bg6 (16...Nh5 17.Bh5 Rb8 18.Bc3=) 17.Bc3 (17.Nf6 Qf6 18.Qa4 Rb8+=) 17...Kf7 (17...Nh5 18.Bh5 g4 19.Bg6 hg6 20.0-0=+) 18.Rb1 (better 18.Nf6 Qf6 19.Qb3+=) 18...Qc8?? (18...Nh5 19.Bh5 g4 20.Bg6 hg6 21.Rb7=+) 19.Rb3?? (19.Nf6 Nf6 20.Qa4 Kg7+-) 19...Ne8 (better 19...Nh5!? 20.Bh5 g4 21.Bg6 hg6=) 20.0-0 (20.h4 h6+-) 20...Nc7 21.g4 (21.Qc2!?+-) 21...Bh5+= 22.gh5 g4 23.Kh1 (23.Qc2 Nb5=) 23...Rg8 (23...Nb5 24.Bb2=) 24.Rg1 (24.Qc2 Nf6=) 24...Bh6 25.Nf1 Nb5 26.Ng3 Nf6 27.Bd2 (27.Qd2 Rb8=) 27...Rg5 (27...f4!? 28.ef4 Nd4=+) 28.h4= gh3 29.f4 (29.Qf1!?=+) 29...ef3–/+ 30.Bf3 Ne4 (30...Qc7!? 31.Ne2 Rg1 32.Qg1 Qe7–/+) 31.Ne4=+ fe4 (better 31...Rg1!? 32.Qg1 de4=) 32.Bg4+= Qc7 (32...Qg8 33.Be1 Rg7 34.Bh4+-) 33.Be1 (33.Qf1 Kg7 34.Qh3 Kh8+-) 33...Rag8 (33...h2!? 34.Rf1 Ke8+-) 34.Bh4+- R5g7 (34...h2 35.Rf1 Ke8 36.Bg5 Rg5 37.Kg2+-) 35.Qf1 Bf4 36.Qh3?? (36.Be6 Ke6 37.Qh3 Kf7 38.Qf5 Ke8 39.Qe6 Kf8 40.Rf1+-) 36...Re8?? (36...Qc8 37.ef4 Rg4 38.Rg4 Qg4–+ (worse 38...Rg4 39.Bg5 Qf5 40.Rg3 Rg5 41.fg5 Qh3 42.Rh3+-)) 37.Be6!!+- Kf8 (37...Re6 38.Rg7 Deflection (38.Rg7 Decoy)) 38.Qf5 (38.Qf5 Rf7 39.Qh7 Bg5 40.Qh8 Ke7 41.Bg5 Ke6 42.Qe8 Qe7 43.Be7 Re7 44.Rg6 Kf5 45.Qe7 Nd4 46.Rg5; 38.ef4?! Rg1 39.Kg1 Nd4+-) 1–0. Morriss,Pete (2075) – Charnley,Bernard J (2020), Coventry England, British Championship6, 2015.

6.Ne2 Be7

7.b5 Be6 8.Nf4 Bf7 9.h4 (9.Be2 0-0=) 9...Nbd7 10.Be2 a6 11.a4 ab5 12.ab5 Nb6 13.Ra8 Qa8 14.Qb3 0-0 15.Nc3 c6 16.0-0 Rc8 17.Rc1 c5 18.d5 ½-½. Jamieson,I (1945) - Ther,Mate (1755), 4NCL International (8), 2018.

7.Nbc3 0-0 8.Qb3 Kh8 9.h4 c6= 10.h5 a5 11.ba5 Qa5 12.Nf4 d5 (12...c5 13.d5=) 13.cd5+= cd5 14.Be2 Nc6 15.Kf1 (15.h6 g6 16.Nfd5 Be6+=) 15...Rd8= 16.g3 (better 16.Kg1=) 16...Bd7?? (16...Bb4 17.Kg2=) 17.Kg2 (better 17.Ncd5 Nd5 18.Qd5 (18.Nd5? Be6-+) 18...Qd5 19.Nd5+/-) 17...Be8= 18.a3 (18.Qb7? Rab8 19.Qa6 Qa6 20.Ba6 Rb2-+) 18...Bf7 (18...Rd7!?=) 19.Ng6 Kg8 20.Ne7 Ne7 21.Qb7 Rab8 (21...Rdb8 22.Qe7 Rb2 23.Rhc1+=) 22.Qe7+/- Rb2 23.Bb5 (23.Rhb1 Rbb8 24.Rb4+/-) 23...Rb5?? (23...Rb3 24.Rhc1 Rb8=+ (24...Bh5? 25.Ne4 fe4 26.Rc7 Qc7 27.Qc7+-)) 24.Nb5+- Rd7 25.Qc5 (25.Qb4 Qb4 26.ab4 Bh5+-) 25...Ng4 (25...Bh5 26.Rhc1+-) 26.Ra2 h6 27.Qb4 (27.Nd6 Qd8 28.Nf5 Be6+-) 27...Qd8 28.a4 1-0. zembelek (2095) - Maria_K (2105), Rated Blitz game, lichess.org, 2013.

7.Nd2 c6 8.Nc3 d5 9.c5 0-0 10.Be2 Be6 11.0-0 Nbd7 12.a4 Qc7 13.b5 Ng4 14.Bg4 fg4 15.a5 Rf6 16.b6 Qb8 17.Nde4 de4 18.Ne4 Rh6 19.g3 Rg6 20.f3 Bd5 21.Qc2 h5 22.Nc3 Re6 23.e4 Bc4 24.Rf2 h4 25.f4 hg3 26.hg3 g5 27.d5 cd5 28.ed5 Rh6 29.d6 Bf6 30.Ne4 Bd5 31.Nf6 Nf6 32.Rh2 Rh2 33.Qg6 Kf8 34.Qf6 Bf7 35.Qe7 Kg8 36.Qg5 Kf8 37.Bg7 Kg8 38.Be5 Kf8 39.Kh2 ab6 40.cb6 Qc8 41.Qe7 Kg8 42.Qh4 Kf8 43.Qh8 Bg8 44.Qg7 Ke8 45.Qe7 1–0. kaasparov – mooflon, internet, 2013.

7.Nf4 0-0 8.d5 Na6 9.a3 g5 10.Ne2 c5 11.b5 Nc7 12.Ng3 Nd7 13.Qc2 Bf6 14.Nd2 Ne5 15.Be2 Bd7 16.0-0 Qe8 17.f4 gf4 18.Rf4 Bg5 19.Rff1 Be3 20.Kh1 Qg6 21.Rae1 Rae8 22.Bh5 Qg5 23.Be8 Ne8 24.Re2 Bd4 25.Bd4 cd4 26.Qc1 e3 27.Nf3 Nf3 28.Rf3 Nf6 29.Qd1 f4 30.Qd4 fg3 31.Rg3 Ng4 32.h3 Rf1 0–1. emeryt85 – rosenzweig (1675), internet, 2013.

7.Nf4 0-0 8.Be2 a6 =.

7.Nf4 0-0 8.h4 Nbd7?? 9.Nd2 c6 10.Be2 Rf7 11.Qb3 Nf8 12.c5 d5 13.b5 a6 14.a4 ab5 15.ab5 Ra1 16.Ba1 Bd7 17.bc6 Bc6 18.Bb5?? Ne6?? 19.Bc6 Nf4= 20.Bb7 Ng2?? 21.Kd1?? f4= 22.c6? fe3 23.fe3? Ne3?? 24.Qe3+= Ng4 25.Qe2?? h5?? 26.Kc2 Qa5 27.Bc3+= Qa4 28.Nb3?? Rf2?? 29.Qf2+- Nf2 30.Ra1?? Qc4 31.Nc5 Bc5 32.c7?? Qd3–+ 33.Kb2 Qb5 34.Kc2 Qb7 35.Ba5 Bb4 36.Rb1 Ba5 37.Rb7= Bc7 38.Rc7 e3 (38...e3 39.Rc3 Kf7+/-; better is 38...Kh7!?=+). toll (1635) – Positron (1740), ICC, 2003.

7.Nf4 0-0 8.Nh5 Nbd7 (8...Nh5 9.Qh5 d5 10.a3=+) 9.Nc3 (9.Nf4 Nb6=) 9...Nh5=+ 10.Qh5 Nf6 11.Qd1 c6 12.Be2 g5 (12...d5 13.Qb3=) 13.a4 d5 14.cd5 (14.b5 Be6 15.c5 Qc7=) 14...cd5 15.b5 f4 16.ef4 (16.0-0 Be6=) 16...gf4 17.0-0 Bd6 18.Bh5?? (better is 18.a5!?=) 18...Qe7 (18...f3 19.Qb3 Be6 20.gf3 Nh5 21.Ne4 Bh2 22.Kh2 Qh4 23.Kg1–+) 19.Nd5? (better is 19.f3 Nh5 20.fe4–/+) 19...Nd5–+ 20.Re1 Bf5 (21.Qb3 Qe6–+; 20...Qh4 21.Re4 Nf6 22.Qb3 Kg7 23.Re6 Be6 24.Qe6 Qh5 25.Qd6–+) 0–1. kamera – pade (1900), GameColony.com, 2002.

6.Nh3 Be7

7.Qb3 c6 8.a4 0-0 9.Nc3 Na6 10.b5 Nc7 11.d5 c5 12.a5 Ng4 13.Na4 Ne8 14.Be2 Bf6 15.Nc3 Ne5 16.Nf4 Qe7 17.Qc2 g6 18.0-0-0 Ng7 19.g4 Ng4=+ 20.Bg4 fg4 21.Qe4 Qc7 22.h3 Qa5 23.Qc2 gh3 24.Nh3 Bf5 25.e4–/+ Bg4 26.Rdg1? Bf3–+ (26...Bf3 27.Nf4 Bh1 28.Rh1 Bg5–+) 0–1. Martinez,Vincent – Pytel,Bozena (2075), Parthenay op, 1992.

7.Nc3 0-0 8.Qb3 Kh8 9.Be2 c6 10.Nf4 Na6 11.a4 (11.0-0 d5 12.cd5 Nb4 13.dc6 bc6+=) 11...Nc7 12.h4 (12.d5!?+=) 12...Ne6 13.Ne6 Be6 14.d5 cd5 15.cd5 Bf7 16.Rd1 Nd7 17.g3 (17.h5 Ne5+=) 17...Ne5 18.h5 h6 19.Nb5 Bf6 20.Nd4 Bg8 (20...Qd7 21.Bb5 Qc8 22.Rc1=) 21.Nf5+= Nf3 (21...a5!?+=) 22.Bf3+/- ef3 23.Nh4 Qe7?? (better 23...Bh7+=) 24.Ng6+- Kh7 25.Ne7 Be7 26.Qd3 (26.Rc1 Kh8+-) 26...Kh8 27.Qg6 Bf6 28.Bf6 Rf6 29.Qe4 Raf8 30.0-0 (30.Rh4 Bh7 31.Qd4 b6+-) 30...Bh7 (30...Bf7 31.Qe7 Bh5 32.Qb7+-) 31.Qe7 R8f7 32.Qd8 Rf8 33.Qc7 R8f7 (33...Bf5 34.Qb7 a5 35.b5+-) 34.Qb8 Bg8 (34...Rf8 35.Qb7 R6f7 36.Qa6+-) 35.Rc1 Kh7 (35...Rf8 36.Qb7 Rf5 37.Qa7 Bd5 38.Qd7+-) 36.Rc8 a6 37.Rg8 Rf5 (37...Rf8 38.Rf8 Rf8 39.Qf8 a5 40.Qf5 Kh8 41.Rc1 g5 42.Rc8 Kg7 43.Qg6) 1-0. PlatinumEd (2240) - petrovich666 (2200), Rated Blitz game, lichess.org, 2016.

7.Be2 0-0 8.Nd2 d5 9.Qb3 Kh8 10.Nf4 c6 11.h4 (11.c5 g5 12.Nh5 Nh5 13.Bh5 f4=) 11...Na6 12.a3 Nc7 13.Rc1 Ne6 14.Nh3 Bd7 15.a4 Be8 16.Ba3 Bh5 17.g3 (better is 17.Bh5!? Nh5 18.cd5 cd5 19.Ng5=) 17...Be2–/+ 18.Ke2 Qd6 19.cd5 cd5 20.Rc3 Nh5 (better is 20...Rfc8!?–/+) 21.b5= Qa3 22.Qa3 Ba3 23.Ra3 Rac8 24.Raa1 Rc3 25.Rhc1 Rfc8 26.Kd1 Kg8 27.Rc3 Rc3 28.Rc1 Rc1 29.Kc1 Kf7 30.Nb3 b6 31.Kd2 h6 32.Ng1 Kg6 33.Ne2 Nf6 34.Nc3 Kh5 35.Nc1 Kg4 36.N1e2 Kf3 37.Ke1 g5 38.hg5 hg5 39.Kf1 Kg4 40.Nc1 Kh3 41.N1a2 f4 42.gf4 gf4 43.Nb4 fe3 44.fe3 Nc7 45.Nc6 a6? 46.a5+- Nd7 47.Ne5 Nb8? 48.ba6+- Nca6 49.ab6 Nb4 50.Kf2 Kh4 51.Ng6 Kg5 52.Ne7 Nd3 53.Ke2 Nb2 54.Ncd5 Nc4 55.Nc3 Kf6 56.Nc8 Kf5 57.b7 Na5 58.Nd6 Ke6 59.Nce4 Kd5 60.Kd3 Kc6 61.Kc3 Kd5 62.Kd2 Nbc6 63.Kd3 Nb4 64.Ke2 Nbc6 65.Kf2 Nb7 66.Nb7 Ke4 67.Nd6 Kd5 68.Nf5 Ke4 69.Ng3 Kd5 70.Ne2 Ke4 71.Nc3 Kd3 72.Ne2 Ke4+= 73.Ng3 Kd5 74.Nf5 Ke4= 75.Nd6 Kd5 76.Nb5 Kc4 77.Na3 Kd5 78.Nc2 Ke4 79.Ke2 Ne7 80.Nb4 Nf5 81.d5 Ne3 82.d6 Nf5 83.d7 Nd4 84.Kd2 Ne6 85.Kc3 Ke5= 86.Na6 Kd6 87.Nc5 Ke7 88.Ne6 Kd7 89.Nc5 ½–½. Hollmann,Bert – Buscher,Michael, NRW–ch U18 Duisburg, 1986. (=1.c4 f5 2.b4 e5 3.Bb2 d6 4.e3 Nf6 5.d4 e4)

7.Nf4 0-0 8.Be2 c6 9.0-0 d5 10.cd5 cd5 11.a3 Bd6 12.Nh5 Nfd7 13.Qb3 Nf6 14.Nf6 Qf6 15.Qd5 Be6 16.Qb7 Nd7 17.Qa6 Nb6 18.Bd1 Kh8 19.Qe2 Bc4 20.Qe1 Bf1 21.Qf1 Rac8 22.Nc3 Nc4 23.Rb1 Qh6 24.g3 Nb2 25.Rb2 Rc3 26.Qa6 Rfc8 27.Kg2 Qf6 28.Qa7 Qd8 29.Qf7 R8c7 30.Qe6 f4 31.ef4 Re7 32.Qf5 Qc8 33.Qd5 Bb8 34.h3 Qe8 35.Re2 Ra3 36.Bc2 e3 37.Qf5 g6 38.Qf6 Kg8 39.fe3 Rae3 40.Re3 Re3 41.Bb3 Rb3 0–1. fjanusz52 – szapm1, internet, 2013.

6.Nh3 g6

7.Nc3 Bh6 8.Nf4 0-0 9.h4 (9.Be2 g5 10.Nfd5 Nd5 11.cd5 Nd7+=) 9...Nc6= 10.a3 Bf4 11.ef4 d5 12.Nd5 Nd5 13.cd5 Ne7 (13...Qd5? 14.Rc1 Be6 15.Bc4 Qc4 16.Rc4 Bc4 17.b5+-) 14.d6 Nd5 (14...Qd6!? 15.d5 Nd5+= (15...Qf4 16.Qd4 Kf7 17.Bb5+-)) 15.dc7+/- Qc7 16.g3 Be6 17.Rc1 Qd6 18.Be2 (18.h5 Rac8+/-) 18...Rac8 19.0-0 (19.h5!?+/-) 19...Rc1= 20.Qc1 Rc8 21.Qd2 Nb6 22.h5 ½-½. jerichosblind (2030) - marekt (2170), gameknot.com, 2017.

7.Be2 Bg7 8.0-0 0-0 9.Nc3 Nc6 10.b5 (10.Qb3 Ne7+-) 10...Ne7 (10...Na5 11.Qa4 b6 12.c5+=) 11.Qb3+- Kh8 (11...h6 12.f3+-) 12.Nf4 (12.a4 Bd7+-) 12...g5 13.Nfd5 Nfd5 (13...Ned5 14.cd5 Bd7 15.a4+-) 14.cd5+- Ng6 Black prepares f4 15.a4 f4 (15...Qe7!? 16.Qc2 Re8+-) 16.Ne4+- Qe8? (better 16...Qe7 17.Nd2 g4+-) 17.Ng5 Rf5 (17...Qe7 18.Ne6 Rf6 19.Bc4+-) 18.Ne6 Be6 19.de6 Qe7 (19...d5 20.Rac1 Rg5 21.Bf3 Qe6 22.Rc7+-) 20.Bg4 Rg5 21.Bf3 Nh4 (21...fe3 22.fe3 (worse 22.Qe3 Rf8+-) 22...Re8 23.Rac1+-) 22.ef4 Nf3 (22...Rg6 23.Bb7 Rf8 24.g3+-) 23.Qf3 Rg6 (23...Rf8 24.Qb7 Rg6 25.Rac1 Qe6 26.Rc7+-) 24.f5 Rh6 (24...Rf8 25.Rae1 Kg8 26.Bc1+-) 25.Qb7 Rg8 26.Ra3 Bf6 (26...Qf8 27.Rf3 d5 28.Qd5+-) 27.Rg3 Rg3 (27...d5 28.Rc1 Re8 29.Ba3+-) 28.fg3 Qg7 (28...d5 29.Rc1 Qb4 30.Qa8 Kg7 31.Qd5+-) 29.Qa7 Qg5 (29...Kg8+-) 30.Bc1 (30.Bc1 Qh5 31.Qb8 Kg7 32.Qc7 Kg8 33.Bh6 Qh6 34.b6 Qf8 35.Rf4 h5 36.b7 Bd8 37.Qc8 Qg7 38.Qd8 Kh7 39.b8Q d5 40.f6 Qf7 41.Qh8 Kg6 42.ef7 Kf7 43.Qbe8) 1–0. DEFFM – Aaean, freechess.org, 2018.

5.d4 Be7

6.a3 Nbd7 7.Qb3 c5 (7...a5 8.Nf3 e4 9.Ng5=) 8.Nf3 e4 9.Ng5 Nb6 10.Nh3 0-0 11.Nc3 Kh8 12.Be2 a5 13.bc5 dc5 14.d5 Nbd7 15.Nb5 Ne8 16.Nf4 Ndf6 17.Rd1 Nd6 18.h4 Ng4 19.h5 Nh6 20.Be5 a4? (better is 20...Nb5!? 21.Qb5 Ra6+=) 21.Qb2+- Rg8? (21...Ne8 22.Nc7! Nc7 23.Bg7 Kg8 24.d6 Bd6 25.Bh6+-) 22.Ne6 (better is 22.Ng6 hg6 23.hg6+-) 22...Qa5 23.Bc3 (23.Bc3 Bf6 24.Nec7 Bc3 25.Qc3 Qc3 26.Nc3+/-) 1–0. onny555 (1855) – knazmi (1645), gameknot.com, 2010.

6.Bd3 e4=+ 7.Bc2 c6 8.f3 (8.d5 0-0=+) 8...d5 9.cd5 (9.c5 b6=+) 9...cd5 (9...Nd5!? 10.Kf2 f4 11.fe4 fe3 12.Kf1 Rf8 (worse 12...Nb4 13.Ke2-/+) 13.Nf3 Nf4-+ (13...Nb4?! 14.Ke2-/+)) 10.Ba4 Bd7 11.Bd7 Nbd7 12.Qa4 (12.a3 a5-/+) 12...0-0 13.Qb3 Nb6 14.Nh3 (14.Nd2 Bd6-/+) 14...Nc4 (14...ef3 15.gf3 Bd6 16.Nd2-/+) 15.Bc1 (15.Nf4 Re8 16.0-0 ef3 17.Rf3 Rc8-/+) 15...Qb6 16.a3 Rfc8 17.Nf4? (17.Nd2 Bd6-/+) 17...a5 (17...Na5 18.Qb2 Nb3 19.0-0 Na1 20.fe4-+) 18.0-0 (better 18.Nc3!? Qd6 19.ba5 Na5 20.Qc2-/+) 18...ab4-+ 19.a4 (19.fe4 fe4 20.Ra2 ba3 21.Qb6 Nb6 22.Ba3 Bd6-+) 19...Na5 (better 19...Qa5 20.Rf2 Bd6-+) 20.Nd2?? (better 20.Qd1-+) 20...Nb3 21.Nd5 (21.Nb3 ef3 22.gf3 Bd6-+) 21...Nd5 (21...Nc1?! 22.Nb6 Ne2 23.Kf2-+; worse 21...Rc1 22.Nb6 Ra1 23.Ra1 Nd2 24.Ra2 Nf3 25.gf3-+) 22.fe4 Nd2 (better 22...Na1 23.ed5 Qh6 24.Kh1 Qe3 25.Rd1-+) 23.Bd2 fe4 24.Rf5 Nc3 25.Raf1 Rf8 (better 25...Ne2 26.Kh1 Qh6 27.Re5-+) 26.Bc3 Rf5 27.Rf5 bc3 28.d5 Bf6 (28...Qe3 29.Kf1 c2 30.g3 c1Q 31.Kg2 Qe2 32.Kh3 Qh6 33.Rh5 Qhh5) 29.d6 Qd6 (29...Qe3 30.Kf1 Ra4 31.Ra5 Ra5 32.g4 Ra1 33.Kg2 Qf3) 30.Rb5 Qd1 31.Kf2 Qd3 (31...Bh4 32.g3 Rf8 33.Rf5 Rf5 34.Kg2 Qf1) 32.Kg3-+ Qb5! (32...Qb5 33.ab5 c2 34.h4 c1Q 35.h5 Qe3 36.Kh2 Be5 37.g3 Qg3 38.Kh1 Ra1) 0-1. Agiant – fatbeep, lichess.org, 2019.

6.de5 de5

7.c5 Bd7 8.Be5 Nc6 (8...a5 9.b5 Bc5 10.Nf3+=) 9.Bc3+= 0-0 (9...a5 10.b5 Na7 11.a4 Bc5 12.Nf3+=) 10.Qb3 Kh8 11.Nf3 Qe8 (11...Ne4 12.Be2+=) 12.Bc4+/- Ne4 13.Bd4 (13.0-0!?+/-) 13...Nd4 (13...a5 14.Nc3 ab4 15.Nd5=+) 14.Nd4 (14.ed4 Ba4 15.Qe3 a5+=) 14...Bf6 (14...a5 15.Nc3=) 15.0-0+= Bc6 16.Rd1?? (16.f3 Rd8 17.Qd3 f4 18.fe4 Be4=) 16...Qg6?? (better 16...Ba4 17.Qd3 Bd1 18.Qd1 f4-+) 17.f3+= Ng5 18.Kf1 (18.Kh1 Nf3 19.gf3 Bf3 20.Nf3 Ba1+/-) 18...Nf3 19.gf3 Bf3 20.Nf3 Ba1 21.Nc3 (21.Na3 Qg4 22.Be2 Qh3 23.Kg1 Rf6+=) 21...Bc3= 22.Qc3 f4 (better 22...Rae8=) 23.Kf2 (better 23.e4 Qh5 24.e5+=) 23...fe3-/+ 24.Qe3 Rae8 25.Qb3 Qh5 26.Kg2 (better 26.h3 a5 27.Rd7 Qh3 28.Rf7-/+) 26...Qg4-+ 27.Kf2 Qh3 (27...Qf4 28.c6 b5 29.Bb5 Qh2 30.Kf1-+) 28.Rh1?? (better 28.Bf7 Re4 29.Rd3-/+) 28...Re4-+ 29.Bd5 (29.Bf1 Qh4 30.Kg1-+) 29...Ref4 (29...Qh4! 30.Kg1 Re1 31.Kg2 Re2 32.Kg1 Qf2) 30.Bb7=+ g5 31.Qc3 (31.Ke1!? Rf3 32.Bf3 Rf3 33.Qd5 Qh4 34.Kd1=) 31...R8f6 32.Ke2?? (32.Re1 g4 33.Re8 Kg7 34.Qe5 Qh4 35.Ke3 gf3 36.Qc7 Kh6 37.Be4 Qe1 38.Kd3 Qe2 39.Kd4 Qd2 40.Kc4 Qa2 41.Kc3 Qa3 42.Kc4 Qc1 43.Kd3 Qd1 44.Kc4-+) 32...g4 (better 32...Qg2 33.Kd1 Qh1 (33...Rf3? 34.Qf6 Rf6 35.Bg2+-) 34.Qe1 Qe1 35.Ke1 Rb4-+) 33.Ng5?? (better 33.Rf1-+) 33...Qc3 (33...Rf2 34.Kd1 Qc3 35.Nf7 Rf7 36.Re1 Qd2) 34.Ne4 (34.Nf7 Rf7 35.Bf3 Re7 36.Kf2 Qf3 37.Kg1 Re1) 34...Qc2 35.Ke3 (35.Ke1 Rf3 36.Nf6 Rf2 37.Ng4 Qd2) 35...Rf3 36.Kd4 Qd3 37.Ke5 R3f5 0-1. zembelek (2120) - jmaxw (2235), Rated Blitz game, lichess.org, 2016.

7.Qd8 Kd8 8.b5=.

7.Be5? Qd1 8.Kd1 Ng4-+ (8...Bb4?! 9.Bf6 gf6 10.Ne2+=).

5.Be2 Be6

6.Nc3 Nbd7 7.Rc1 a6 8.Nf3 Be7 9.Ng5 Bg8 10.Nf3 Bf7 11.Ng5 Bg8 12.Nf3 Bf7 13.Ng5 Bg8 ½–½. lican – sanvicor, internet, 2013.

6.Nc3 Be7 7.Rc1 c6 8.a3 a6 9.Nf3 0-0 10.Ng5 Qd7 11.Ne6 Qe6 12.d4 ed4 13.Qd4 Qe5 14.Qd2 Qe6 15.0-0 Nbd7 16.Rfd1 Rad8 17.Qc2 Ne4 18.Nb1 Bf6 19.Bf6 Ndf6 20.f3 Ng5 21.Qb3 Kh8 22.Kf2 Rfe8 23.Rd3 Nf7 24.Rcd1 f4 25.e4 Ne5 26.R3d2 Nf7 27.Nc3 b5 28.Qa2 Ne5 29.cb5 cb5 30.a4 Qa2 31.Ra2 ba4 32.Ra4 Nc6 33.Ra6 Nb4 34.Rad6 Rd6 35.Rd6 Rc8 36.Nb5 h6 37.h3 Rc2 38.Nd4 Rd2 39.Ke1 Ra2 40.Rd8 Kh7 41.Bc4 Nc2 0–1. lican – sanvicor, internet, 2013.

6.d3 Nbd7 7.Nf3 Qe7 8.0-0 g6 9.Ng5 Bg7 10.Ne6 Qe6 11.Qb3 0-0 12.Nd2 Rae8 13.Rad1 Re7 14.Rfe1 Kh8 15.a4 Ref7 16.d4 Ng4 17.d5 Qf6 18.h3 Nh6 19.Rf1 f4 20.e4 g5 21.Bh5 Re7 22.Qf3 Rg8 23.Kh1 Bf8 24.g3 Reg7 25.g4 (better is 25.Bg4!? Ng4 26.Qg4+=) 25...Qe7+= 26.Rg1 Nf6 27.Rg2 (27.Qg2–/+) 27...Qd7 (27...Nh5!? 28.gh5 g4–/+) 28.b5 (28.a5 Nh5 29.gh5 Qe8=) 28...Nh5 29.gh5 g4 30.hg4 Rg4 (worse is 30...Ng4 31.h6 Rg6 32.Nf1–+) 31.Rh2?? (31.Qh3 Qe7 32.Rh2 Qg7+=) 31...Be7 (better is 31...Qg7 32.Qg4 Ng4–+) 32.Qh3= Qe8 33.Nf3 Qf7 (33...Bf6 34.Bc3=) 34.Be5 de5 35.Ne5 Qf6 36.Ng4 Rg4 37.f3 Rh4? (better is 37...Rg8=) 38.Qh4+- Qh4 39.Rh4 Bh4 40.d6 cd6 41.Rd6 Nf7 42.Rd7 Ne5 43.Rb7 Nf3 44.Ra7 1–0. Fritz,Reinhold – Schoerghuber,Kurt (1640), Bad Griesbach Seniors op 5th, 2002.

6.d4 =.

6.Nf3 Nc6 7.b5 Ne7 8.d4+=.

6.Nf3 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Be2 Be6).

6.Nf3 h6 7.0-0+= Be7 8.d3 (8.d4 e4 9.Nh4 d5+=) 8...0-0 9.Nbd2 g5 10.h3 (10.Nb3 Nbd7=) 10...Nbd7 11.Nh2 c6 12.f4 (12.d4 a5 13.a3 ab4 14.ab4 Ra1 15.Qa1 e4=) 12...e4 (better 12...gf4!? 13.ef4 Qb6 14.d4 ed4=+) 13.fg5 hg5 14.de4 Ne4 (14...fe4!? 15.a3 Qb6+=) 15.Ne4+- fe4 16.Ng4 (better 16.Bg4!? Rf1 17.Nf1 Bg4 18.Qg4+- (18.hg4?! Ne5=)) 16...Rf1+= 17.Qf1 Qf8 18.a3 (18.Qd1!? Nf6 19.Qd4 Bg4 20.Bg4 Ng4 21.hg4+-) 18...Qf1= 19.Rf1 (worse 19.Bf1 Bg4 20.hg4 a5=+) 19...Rf8 20.Nh6 Kh7 21.Rf8 Nf8 22.Ng4 Kg6 23.Nf2 d5 24.cd5 cd5 25.Bd4 b6 26.Bg4 (26.Ng4 Bg4 27.Bg4 Bf6=) 26...Bf7 (26...a5 27.b5 Bg4 28.Ng4=+) 27.Bc8= Nh7 (27...Be6!? 28.Ba6 Bf6=) 28.Ng4+= Nf6? (better 28...Bd6+=) 29.Ne5+- Kg7 30.Nc6 (30.Nc6 Kf8 31.Na7+-; 30.Nf7?! Kf7 31.Kf2 Ne8=) 1–0. GuestBFQC – GuestFHDJ, freechess.org, 2017.

6.Bh5 Nh5 7.Qh5 g6 8.Qe2-/+.

6.Bh5 g6

7.Be2 Nbd7 8.Nf3 Bg7 9.Ng5 Qe7 10.Ne6 Qe6 11.Nc3 c6 12.b5 0-0 13.bc6 bc6 14.Ba3 f4 (14...e4 15.Rb1=+) 15.e4 g5 16.h3 Rfb8 17.0-0 h6 18.Qa4 Rb6? (better 18...c5=) 19.Nd5?? (19.c5 Rbb8 (19...Nc5? 20.Bc5 Rb2 21.Qc6+-) 20.Qc6 Rc8 21.Qd6 Qd6 22.cd6 a6+-) 19...Nd5?? (better 19...cd5 20.cd5 Qe7-+) 20.cd5+- cd5 (better 20...Qe8 21.dc6 Nc5 22.Bc4 Kh7 23.Bc5 dc5+-) 21.Bc4?? (better 21.Bg4 Qf7 22.Bd7 de4 23.Bc6+-) 21...dc4-+ 22.Rab1 (22.Rfc1 Rc8 23.d3 c3-+) 22...Rb1 (22...d5!? 23.Rfe1-+) 23.Rb1 Bf8 24.Rb7 Rb8 (better 24...Nf6 25.f3 a6-+) 25.Rd7 Rb1 26.Kh2 a6 (26...c3 27.dc3 Ra1+=) 27.Qc6+= d6 draws heavy fire 27...g4 28.Bd6 g3 29.fg3 fg3 30.Kg3 Qg6?? (better 30...Rh1 31.Qd5 Qd5 32.ed5 Bd6 33.Rd6 Rd1+/-) 31.Kf2 (better 31.Kh2 Qe6 32.Rd8+-) 31...Qf6 32.Ke2 Qf1 33.Ke3 Re1. Atotheking (1725) - ckmate777 (1765), lichess.org, 2020.

7.Bf3 e4 8.Be2 Nc6=+.

7.Bf3 Bg7?? 8.Bb7+/- Nbd7 9.Ba8 Qa8 10.f3 e4 (10...a5 11.ba5 Qa5 12.Qc2+=) 11.Nh3 Bc4 12.Nf4 ef3 (12...Ne5 13.Qa4 Kf8 14.Na3+=) 13.gf3 (13.Qf3!? Qb8 14.Na3+/-) 13...Ne5+= 14.Be5 de5 15.Ng2 (15.Na3 Bg8 16.Ne2 Qf3 17.Qa4 Kd8=) 15...e4 16.Na3 ef3 17.Nf4 f2 (17...Bf7!? 18.Qa4 c6=+) 18.Kf2= Ne4 19.Ke1?? (better 19.Kg1 Bf7 20.Rc1=) 19...Nc3-+ 20.Qc2 (20.dc3 Qh1 21.Kd2 Qh2 22.Kc1 Bc3 23.Nc4 Ba1 24.Qa4 Kd8 25.Qc6-+) 20...Qh1 21.Kf2 Qh2 22.Kf3 (22.Ng2 Ne4 23.Qe4 fe4 24.Nc4 0-0 25.Ke2 Qg2 26.Kd1 Qf1 27.Kc2 Qc4 28.Kd1 Rf1) 22...Be2 23.Ne2 Qe2 24.Kf4 (24.Kg3 Be5 25.Kh4 Qg4) 24...Bh6 (24...Qg4) 25.Ke5 (25.Kg3 f4! 26.Kh3 Qh5 27.Kg2 f3 28.Kf2 Qh2 29.Kf3 0-0 30.Qf5 Rf5 31.Kg4 Be3 32.de3 h5) 25...Bg7 26.Ke6?? (better 26.Kf4 Qg4) 26…Qa6 0-1. Atotheking (1760) - Pard8 (1795), lichess.org, 2021.

5.Be2 Be7

6.a3 0-0 7.d4 ed4 8.ed4 c6 9.Nc3 Qe8 (9...a5 10.b5=) 10.Nf3+= Nbd7 11.0-0 Ne4 12.Bd3 Ndf6 13.d5 Bd7 14.dc6 Bc6 15.Nd4 White prepares the advance b5 15...Qd7? (better 15...Qg6+/-) 16.Be4+- Ne4 17.b5 Nc3 18.Bc3 Bg2 19.Kg2 Rac8 20.Nf3 Kh8 (20...Qe6 21.Re1 Qf7 22.Qd5 Rc4 23.Qb7 Rg4 24.Kh1+-) 21.Rc1 Bf6 22.Bb4 Rcd8 23.Qd5 Qc7 (23...Rfe8 24.Rfe1+-) 24.Rfe1 (24.Qf5?! Bb2 25.Qd3 Bc1 26.Rc1 Qd7+-) 1-0. Creatchy (2800) - bobby fissure (2145), ChessWorld.net, 2019.

6.Qb3 a5 7.ba5 0-0 8.d4 =+.

6.Qb3 Be6 7.Nf3= Ng4 (7...Nc6 8.0-0=) 8.d3 (8.0-0 e4 9.Bg7 ef3 10.Bf3 Bf6 11.Bh8 Bh8 12.Bb7 Ba1 13.Ba8 Be5+-) 8...0-0 9.Nbd2 (9.0-0 Nc6=) 9...Nd7 (9...f4 10.ef4 Rf4 11.h3=) 10.a4 (10.0-0 Bf6=) 10...a6 (10...f4 11.ef4 Rf4 12.0-0=+) 11.Qc2 (11.0-0 Bf6=) 11...f4 (11...d5 12.h3 Ngf6 13.Ng5=+) 12.ef4= Rf4 13.Bc1 (13.h3 Ngf6=) 13...Rf8 (13...d5 14.Rb1=+) 14.Ne4 (14.0-0 d5 15.c5 a5=) 14...Bf5 (14...d5 15.cd5 Bb4 16.Bd2 Bd2 17.Nfd2=) 15.Bd2 (15.Ng3 Be6=) 15...c6 (15...a5 16.ba5 Ndf6 17.h3+=) 16.Qc1 (16.h3 Ngf6=) 16...d5=+ 17.Ng3 Bg6 (17...Qb6 18.c5 Qc7 19.h3+/- (< 19.Nf5 Rf5 20.0-0 a5=)) 18.h3 (18.0-0 c5=+) 18...Ngf6 19.Ng5 (19.0-0 c5=+) 19...Qc8 (19...b6 20.Ne6 Qe8 21.Nf8 Qf8 22.Qb2+/-) 20.0-0 Bd6 (20...b6 21.Ne6 Rf7 22.a5=) 21.c5= Bb8 22.f4 ef4 23.Bf4 Bf4 24.Rf4 h6 25.Ne6 Re8 26.Nd4 Ne5 27.Qd2+= Qd7 28.Raf1 Rf8 29.Ngf5 Nf7? 30.Ng7!+- Kg7 31.Rf6 Ne5?? 32.Rf8 Rf8 33.Rf8 Kf8 34.Qh6 Kf7 35.Qf4 Kg8 36.Qe5 (36…Qf7 37.Qg5+-) 1–0. Reimer,Karl – Uhrig,Heinz, Pfalz–op Bad Bergzabern, 1997.

6.d3 Be6 7.Qc2 0-0 8.Nd2 Nbd7 9.Ngf3 h6 10.0-0 Qe8 11.g3 g5 12.Ne1 h5 13.Ndf3 Nh7 14.Ng2 h4 15.gh4 g4 16.Nd2 Qh5 17.f4 Bh4 18.e4 Rf6 19.Nh4 Qh4 20.fe5 Rh6 21.Rf2 Ng5 22.Rg2 Nh3 23.Kf1 Nf4 24.Nf3 Ng2 (24...Ng2 25.Nh4 Ne3 26.Kg1 Nc2 27.ef5 Ne5 28.fe6 Rh4–+) 0–1. Christensen,Oddbjorn – Einarsen,Kenneth (1665), Host Monrad, 2004.

6.d4 0-0 A) 7.Nc3 f4 (7...a6 8.Qb3 ed4 9.ed4 Nc6 10.Nf3 f4 11.0-0 Bg4 12.Nd5 a5 13.Nf4) 8.ef4 ed4 9.Qd4 Nc6 10.Qd2 Nb4 11.Nf3 d5 12.0-0 Ne4 13.Ne4; B) 7.b5 ed4 8.ed4= Be6 9.Nf3 a6 10.Nc3 ab5 11.cb5 Ne4 12.0-0 Nd7 13.a4.

6.d4 ed4 7.ed4 d5 =.

6.d4 e4 7.d5 0-0 8.Nc3 c6 9.Rc1 Kh8 10.Nh3 Ng8 11.Nf4 Bg5 12.Ne6 (better is 12.0-0!?+/-) 12...Be6= 13.de6 Re8 14.Bh5 Re6 15.Bf7 Re7 16.Bg8 Kg8 17.c5 d5 18.b5 Re8 19.0-0 Nd7 (19...f4 20.ef4 Bf4–/+) 20.Ba3? (better is 20.Nd5 cd5 21.Qd5 Kh8 22.Rcd1–/+) 20...Ne5–+ 21.Ne2 Qa5 22.Qb3 Bf6 (22...Qb5 23.Qb5 cb5 24.Rb1–+) 23.Rcd1 (23.Nd4 g6–/+) 23...Nd3–+ 24.Rd3 (24.Rb1–+) 24...ed3 25.Qd3 Rad8 26.Nd4 Bd4 27.ed4 Re1 28.bc6 Rf1 29.Kf1 bc6 30.g3 Re8 31.Kg2 Qe1 32.Qf5 Qe4 33.Qe4 Re4 (33...de4?! 34.Bc1–/+) 34.Bb2 Re2 35.Bc3 Ra2 0–1. lican – azelina, internet, 2013.

6.Bf3 0-0 7.Bd5 (7.d3 c6=+) 7...Kh8 8.Bf3 c6 9.Be2 Qc7 10.Nf3 e4 11.Nd4 d5 12.c5 b6 13.Qc2 bc5 14.bc5 Nbd7?? (14...f4 15.0-0=+) 15.Ba3?? (better 15.Ne6 Qb8 16.Nf8 Bf8 17.Bd4+/-) 15...Qa5?? The pressure on c5 grows (15...Rb8 16.0-0 Ne5 17.Nc3=+) 16.Ne6 (better 16.Nc6 Qc7 17.Ne7+-) 16...Re8=+ 17.Nd4 Bb7 (17...Ne5 18.0-0=+) 18.Nb3 (18.Nf5 Bc5 19.Bc5 Qc5=) 18...Qc7=+ 19.Nc3 h6 20.0-0 f4 21.Bb4 (21.Rab1 a5=) 21...Ne5 (21...a5!? 22.Ba3 a4=+) 22.Ba5= Qc8 23.ef4 Ng6 24.g3 Ng4 (24...Ba6 25.f3+=) 25.Bg4 (better 25.f3 Nf6 26.Rae1+/-) 25...Qg4= 26.Qd1 Qh3 27.Qe2 Rf8 28.f3 ef3 29.Qf3 Ba6 30.Rf2 Bf6 31.Rg2?? (31.Bc7!?+=) 31...Rae8 (better 31...Nh4 32.Qf2 Ng2 33.Qg2 Qf5-+) 32.Nd4?? (better 32.Qd1=+) 32...Bd4-+ 33.Kh1 (33.Kh1 Nh4! 34.Qf2 Bf2 35.Rf2-+). Atotheking (1735) - Blischnegg (1795), lichess.org, 2020.

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Be2).

6.Nc3 0-0

7.Qc2 Be6 (7...c6 8.a3+=) 8.Nf3= Nbd7 (better is 8...e4!? 9.Ng5 Bc8=) 9.Ng5+/- Bf7 10.Qf5 h6 (10...a5 11.Ne6 Be6 12.Qe6 Rf7 13.a3+/-) 11.Nf7 Rf7 12.0-0 c6 13.f4 (13.a3 Qb6+/-) 13...Nh7 (13...Nd5!? 14.Qe6 Nf8+/-) 14.Qe6+- Ndf8 15.Qg4 Nf6 16.Qf3 N6h7 17.Qg3 Bh4 18.Qg4 Bf6 19.fe5 de5 20.Rad1 (20.Ne4 Ng5 21.Ng5 Bg5 22.Rf7 Kf7 23.Rf1 Kg8+-) 20...Ng5 21.h4 Nge6 22.Ne4 White plans c5 22...Qe7 23.c5 Rd8 24.Bc4 Kh8 25.Rf2 1–0. pcmvr – jparkinson (2655), net–chess.com, 2016.

7.Nf3 Nbd7 8.a3 Ne4 9.0-0 Ndf6 10.d3 Nc3 11.Bc3 h6 12.Nd2 Bd7 13.e4 f4 (13...fe4 14.de4 a5 15.ba5=) 14.d4+= ed4 15.Bd4 Nh7 16.Bg4 Bf6 17.Bf6 Nf6 18.Bd7 Qd7 19.f3 Qe6 20.Qc2 Qe5 21.Nb3 b6 22.Rad1 Rad8 23.Nd4 (23.Nd4 Ra8 24.Nc6+=) 1-0. Atotheking (1730) - pumuckel (1670), lichess.org, 2020.

6.d4 Nbd7

7.Qc2 0-0!?=+ 8.Nf3 e4 9.Ng5 Nb6 10.Nc3 Ng4 11.h4 h6 12.Qb3 hg5 13.c5.

7.Qc2 e4 8.Nh3+= (8.Nd2 0-0 9.Nh3 Nb6 10.0-0 Bd7 11.Nf4 g5 12.c5 gf4 13.cb6; 8.Nc3 0-0 9.Nh3 a5 10.b5 Qe8 11.Nf4 Nb6 12.0-0 Bd7 13.a4) 8...Nf8 (8...c5 9.bc5 dc5 10.d5 Bd6 11.Nf4 Ne5 12.0-0 0-0 13.Nc3) 9.Nc3 (9.0-0 Ng6 10.Nc3 0-0 11.Nd5 Nd5 12.cd5 Bd7 13.Rac1) 9...Ng6 10.0-0-0 (10.0-0!?+= 0-0 11.Qb3 a5 12.b5 h6 13.c5) 10...0-0=+ 11.Nf4 (11.Kb1 c6= 12.d5 a5 13.b5) 11...Nf4–/+ 12.ef4 a5 (12...d5 13.Nd5 Nd5 14.cd5 Bb4 15.h4–/+) 13.b5=+ c6 14.a4 (14.d5!? cd5 15.Nd5 Nd5 16.cd5–/+) 14...d5–/+ 15.c5 cb5 (15...Qc7 16.g3–/+) 16.Bb5 (16.ab5 Be6–/+) 16...Bd7 17.Ba3 (17.Kb1 Bc6–/+) 17...Kh8 (17...Bc6 18.Kb1–/+) 18.Qb3 Be6 (18...Bc6 19.Kb1–/+) 19.Rhe1 Qc7 20.g3 b6 (20...Kg8!?–/+) 21.c6= Ba3 22.Qa3 Ng4 (22...Ng8 23.Kb2=+) 23.f3 Nh2 (23...Nf6 24.Kb2=) 24.fe4 fe4 (worse 24...de4 25.d5 Bg8 26.d6+-) 25.Ne4 (25.Qa2!? Nf3 26.Re4 de4 27.Qe6+=) 25...de4–/+ 26.d5 Bf5 (26...Bg4!? 27.d6 Qd8=+) 27.d6= Qc8 (27...Qf7 28.c7 Ra7 29.Qc3=) 28.Rh1 (28.d7!? Bd7 29.Rd7+-) 28...Ng4= 29.Rh5?? (29.d7 Qd8 30.Qd6 Bd7 31.Qd7=) 29...Nf6–+ 30.Rh2 Rd8 (30...e3!?–+) 31.Kb2 (31.c7 Bd7–/+) 31...Ra7 (31...Ng4 32.d7 Qc7 33.Rh4=) 32.Qe3=+ Qb8 (better 32...Bg4!? 33.Rdd2 Qa8=+) 33.c7+= Rc7 34.dc7 Qc7 35.Rd8 Qd8 36.Rd2 Qf8 37.Qd4 (worse 37.Qb6 Qb4 38.Kc1 h6–/+) 37...h6 38.Qd8 (38.Qb6?? Qb4 39.Kc1 e3 40.Qd8 Kh7–+) 38...Qd8 39.Rd8 Kh7 40.Rd6 (40.Be2!? e3 41.Bd3+=) 40...Nh5=+ 41.Rb6 Ng3 42.Bc4 (42.Ra6!?=) 42...h5–/+ 43.Kc3 h4 44.Rb1 h3 45.Bf1?? (better 45.Rb2–/+) 45...e3–+ 46.Bh3 (46.Re1 Nf1 47.Rf1–+) 46...Bb1 47.Bg4 Kg6 48.Bd7 (48.Kc4 e2 49.Be2 Ne2–+) 48...Kh5 (better 48...Ne4 49.Kc4 e2–+) 49.Bb5 Kg4 50.Kb2 Bf5 51.Kb3 (51.Kc1–+) 51...Kf4 52.Kb2 e2 53.Be2 Ne2 54.Ka3 g5 55.Ka2 g4 56.Ka3 g3 57.Ka2 g2 58.Ka3 g1Q 59.Kb3 Be6 60.Kc2 Qc1 61.Kd3 Bc4 0–1. Yin,Zixiao – Luther,Helmut (1995), LGA Premium Cup, Nuernberg GER, 2004.

7.Nc3 A) 7...a5 8.b5 (8.ba5 0-0 9.Nf3 ed4 10.ed4 Ne4 11.0-0 Ra5 12.Bd3 Ndf6 13.Re1) 8...0-0 9.Nf3 e4 10.Nd2 Nb6 11.0-0 a4 12.Ba3 Qe8 13.Qc2; B) 7...0-0 8.Nf3 a5 9.b5 e4 10.Nd2 Nb6 11.0-0 Be6 12.Qc2 a4 13.Ba3; C) 7...ed4 8.Qd4 (8.ed4 0-0 9.Nf3 a5 10.b5 Ne4 11.0-0 Ndf6 12.Qc2 Nc3 13.Bc3) 8...c5 9.bc5 dc5 10.Qd1 Qa5 11.Qc2 Ne4 12.f3 Nc3 13.Bc3.

7.Nf3 A) 7...ed4 8.Nd4 (8.ed4 0-0 9.Nc3 a5 10.ba5 Ne4 11.0-0 Ra5 12.Re1 Ndf6 13.Bd3; 8.Qd4 a5 9.b5 a4 10.0-0 Nc5 11.Nbd2 0-0 12.h3 Bd7 13.Rab1) 8...Ne5 9.Nc3 0-0 10.0-0 Bd7 11.Qc2 Nc6 12.Nf5 Nb4 13.Ne7; B) 7...0-0= 8.Nc3 a5 9.b5 e4 10.Nd2 Nb6 11.a4 Qe8 12.Qb3 Be6 13.0-0.

7.f4 ef4 8.ef4 0-0 9.Nd2 Ng4 10.Qb3 Ndf6 11.h3 Nh6 12.Ngf3 Ne4 13.0-0 Ng3 14.Rf2 Ne2 15.Re2 Bh4 16.d5 Bf6 17.Rae1 Bd7 18.Bf6 Qf6 19.Ng5 a6 20.Ne6 Be6 21.Re6 Qd4 22.Kh1?? (better is 22.Qe3 Qb2 23.a3+/-) 22...Qd2–+ 23.R1e3 Qc1 24.Kh2 Nf7 25.Qa4? (25.Qc3 Qc3 26.Rc3–+) 25...Qc4 26.g3 b5 (26...Qd5 27.Re7–+) 27.Qd1 (27.Qb3 c6 28.dc6 Qc6–+) 27...Qa2 28.Re2 Qc4 29.h4 (29.Qd2 c5 30.dc6 Qc6–+) 29...Nh6 30.Rh6 (30.Re7 Ng4 31.Kg1 Qb4 32.Rc7 Rfc8–+) 30...gh6 31.Re7 (31.Rb2 Rae8 32.Rc2 Qb4 33.Rc7 Re1–+) 31...Qa2 (better is 31...Rfe8 32.Qe1 Re7 33.Qe7 Qa2 34.Kg1 Qd5 35.Kh2–+) 32.Kh3 Rf7 33.Re6 Qf2 34.Qh5 Qf1 35.Kh2 Raf8 36.Rh6 Rg7 37.Qg5 Qf2 38.Kh3 Rg5 39.hg5 Rf7 40.g6 hg6 41.Rg6 Rg7 42.Rg7 Kg7 43.Kh4 Qh2 44.Kg5 Qg3 45.Kf5 Qg6 0–1. typ48 – livcom, internet, 2013.

6.Bh5 g6

7.Be2 0-0 8.Nc3 f4 (8...Bd7 9.Qb3=) 9.e4 (9.ef4 ef4 10.Nf3 a5 11.ba5 Nc6+=) 9...b6 (9...Nc6 10.b5 Nd4 11.Nf3=) 10.Nf3 Bb7 11.d3 Nbd7 12.Nd5 Nd5 13.ed5 Nf6 14.Ng5 Bc8 15.Ne4 Bf5 16.0-0 Ne4 17.de4 Be4 18.Bf3 Bf5 19.Bg4 Qd7 20.Bf5 Qf5 21.f3 Bh4 22.a4 Qg5 23.a5 Rf5 24.ab6 cb6 25.c5 dc5 26.d6 cb4?? (better 26...Qd8=) 27.Qd5+- Kg7 (27...Rf7 28.Qa8 Qd8 29.Qd5+-) 28.Qa8 Bg3 (28...a5 29.Qb7 Kh6 30.Qb6 Qd8+-) 29.Ra7 Kh6 30.h3 (30.hg3 Qf6 31.Qg8 Kg5+-) 30...Qh4 (30...Qf6 31.Rd1 Qf8+-) 31.Qh8 Kg5 32.Rh7 1-0. Atotheking (1700) - Torcuso (1760), lichess.org, 2020.

7.Be2 Be6 8.Nf3 0-0 9.Ng5 Bd7 10.Nf3 Be6 11.Ng5 Bd7 12.Nf3 h6 13.Nc3 Be6 14.Nd5 Nd5 15.cd5 Bd5 16.a3 Bf7 17.d3 a5 18.b5 Nd7 19.Qc1 Nc5 20.d4 Nb3 21.Qb1 e4 22.Nd2 Na1 23.Ba1 d5 24.Nb3 a4 25.Nc5 b6 26.0-0 bc5 27.dc5 Bf6 28.f3 Rb8 29.fe4 de4 30.Qb4 Ba1 31.Ra1 Bb3 32.Bc4 Kg7 33.Bb3 Qf6 34.Rf1 ab3 35.Qb3 Rfd8 36.a4 Rd3 37.Qa2 Rbd8 38.a5 Rd2 39.Qc4 Qb2 40.a6 Rg2 0-1. alfio (1900) - atekhine (2315), Rated Classical game, lichess.org.

7.Be2= Be6 8.Nf3 Nbd7 9.Ng5 Bg8 10.Nc3 d5 11.c5 c6 12.h4 h6 13.Nf3 Qc7 14.Qc2 Be6 15.a4 a5–/+ 16.b5 Ne4 17.d4= Nc3 18.Bc3 e4 19.b6 Qd8 20.Nd2 Bh4 21.Nb3 Bg5 22.Na5 Qc8 23.Nb3 Nb8 24.Bd2 Na6 25.Nc1 Qd7 26.Na2 Qf7 27.g3 h5 28.Nb4 Nb4 29.Bb4 Qg7 30.a5 Bc8 ½–½. Merten,Rainer – Jung, corr SOK–87–04, 1988.

7.Bf3 0-0 8.Be2 e4 9.Qb3 Be6 10.Nc3 c6 11.a4 d5 12.cd5 (12.Nh3!?=) 12...Nd5=+ 13.Nd5 Bd5 14.Bc4 Qd6 15.Bd5 cd5 16.Ba3 Qe6 (16...Na6 17.b5 Nc5 18.Bc5 Qc5 19.Ne2=+) 17.b5 Ba3 18.Qa3 Nd7 19.Ne2 Rac8 20.Nd4 Qe5 21.0-0 Nc5 22.f4 Qd6 23.Ne2 (23.Rfc1 Rfe8=) 23...Rfd8 24.Nc3 (24.Rac1!?=+) 24...Nd3-/+ 25.Qd6 Rd6 26.a5 Nb4 27.Na4 Nc2 Black prepares d4 28.Rac1 (28.Ra2 d4 29.Rc1 de3 30.de3 Rd2-/+) 28...d4-+ 29.b6 a6 (29...de3 30.ba7 Ra8 31.Rc2 ed2 32.Rd1+=) 30.Nb2 d3 31.Nd1 Rdc6 (31...Rd5 32.g4-+) 32.Nc3 (32.Kf2 Rc5-+) 32...Ne3! 33.de3 Rc3 34.Rc3 Rc3 35.g3 (35.Rd1 Rc5 36.h3-+) 35...d2 36.Kf2 Rc1 37.Rd1 Rc5 (better 37...Rd1 38.Ke2 Rh1 39.Kd2 Rh2 40.Kc3 Ra2-+) 38.Rd2= Ra5 39.Rd7 Rb5 40.Rd8 (better 40.Rb7!? a5 41.h3=) 40...Kf7-/+ 41.Rd7 Ke6 42.Rh7? (better 42.Rb7 Rb2 43.Kg1-/+) 42...Rb6 43.Rg7 Kd6?? (better 43...Kf6 44.Rg8 Rb2 45.Kg1 b5-+) 44.Rg6+- Kc5 (44...Kc7 45.Rb6 a5+-) 45.Rg5 (better 45.Rb6 a5 46.Rb7+-) 45...Rb5?? (better 45...Rb2 46.Ke1 Kc4 47.Rf5 b6-/+) 46.Rf5+- Kc4 47.Re5 (better 47.Rb5 ab5 48.Ke2+-) 47...Kd3 (47...Re5 48.fe5 Kd5 49.Ke2=) 48.h4 (better 48.Rb5 ab5 49.f5+/-) 48...Rb2=+ 49.Kf1? (better 49.Kg1=+) 49...Ke3-+ 50.f5 Kf3 51.f6 (51.Kg1 Kg3 52.Kf1-+) 51…Rb1 0-1. Atotheking (1715) - jesus_2020nuniez (1715), lichess.org, 2020.

6.Bh5 Nh5

7.Qh5 g6 8.Qe2 0-0 9.d4 Bf6 10.de5 de5 11.Nc3 Be6 12.Rd1 Qe7 13.a3 Nd7 14.Nf3 (14.Nd5 Bd5 15.cd5 a5=) 14...Qf7 (14...e4 15.Nd4 Ne5 16.Nd5 Bd5 17.cd5–/+) 15.Nd5 (better 15.e4=) 15...Nb6?? (better 15...Bd5 16.cd5 e4=+) 16.Nf6+- Qf6 17.Be5 (17.Ne5 Qh4+-) 17...Qf7 (17...Bc4!? 18.Bf6 Be2 19.Ke2 Rf6+=) 18.c5+- Na4 (18...Nc4 19.Ng5 Qe7 20.Ne6 Qe6 21.Bc7 Na3 22.0-0+-) 19.0-0 (19.Qb5 c6 20.Qa4 Bb3+-) 19...Bc4 20.Qc2 Bf1 (better 20...Bb3 21.Qb1 Bc4+-) 21.Kf1 (21.Rf1?! b5+-; 21.Qa4?! b5 22.cb6 ab6+-) 21...b5 22.Bf4?? (better 22.Ng5 Qe7 23.Qb3 Rf7 24.Nf7 Qf7 25.Qf7 Kf7 26.Bc7+-) 22...Rad8= 23.Nd4 c6 (23...Rd5!?=) 24.Bh6 (24.Bd6 Rfe8 25.Nc6 Rc8+-) 24...Rfe8 25.Re1 (25.Nc6 Rd1 26.Qd1 Qc4 27.Kg1 Nc3+=) 25...Qf6 (better 25...Rd5=) 26.h4?? (better 26.Qa2 Rd5 27.Nb5+=) 26...Qe5?? (better 26...Qh4 27.Qa2 Rd5–+) 27.Bf4?? (better 27.Nc6 Qe6 28.Nd8 Rd8 29.Rd1+-) 27...Qd5+= 28.Bg5 (28.Rd1 Re4+=) 28...Rd7= 29.Qc1 Qe4 30.Qa1 (30.Qb1 Rc8=) 30...Qd3 (30...a5!?=+) 31.Kg1= Nc3 32.Nc6 Kf7 (32...Qd2 33.Rf1=) 33.Nd4 Qd2 34.Rc1 Ne2 35.Kh2?? (better 35.Ne2 Qe2 36.Qf6 Kg8 37.Qc6+-) 35...Nc1–+ (35...Qc1?! 36.Qa2 Qc4 37.Qc4 bc4 38.Ne2–+; 35...Nd4?! 36.ed4 Qf2 37.d5 Rd5 38.Qf6 Kg8 39.Qc6=+) 36.Nf3 (36.Nf3 Qd1 37.Ne5 Ke6 38.Nd7 Kd7 39.Qg7 Kc8 40.Qa7=+). GuestPXKS – GuestVCHM, freechess.org, 2017.

7.Qh5 g6 8.Qf3 =+.

5.Be2 g6

6.d3 Bg7 (6...Be6 7.Nc3 a5 8.b5 Nbd7 9.Nf3 Bh6 10.h4 Qe7 11.Ng5; 6...Bh6 7.Nf3 (7.Nc3 a5 8.b5 0-0 9.Nf3 Be6 10.h4 Ng4 11.h5) 7...a5 8.b5 Be6 9.h4 0-0 10.Nc3 Ng4 11.h5) 7.Nf3 (7.Nc3 a5 (7...0-0 8.Nf3 a5 9.b5 Nbd7 10.0-0 Nc5 11.Na4) 8.b5 Nbd7 9.Nf3 0-0 10.0-0 Nc5 11.Na4) 7...0-0 (7...e4 8.Nd4 0-0 9.Nc3 Nc6 10.Nc6 bc6 11.0-0) 8.Qb3 (8.Nc3 a5 9.b5 Nbd7 10.0-0 Nc5 11.Na4) 8...Kh8 (8...e4 9.c5 d5 10.Nd4 a5 11.b5) 9.Nc3 (9.0-0 a5 10.b5 Nbd7 11.Nc3) 9...h6 (9...a5 10.b5 Nbd7 11.d4) 10.Nd2 (10.0-0 Be6 11.d4) 10...Be6 (10...a5 11.b5) 11.Bf3 (11.0-0+=) 11...c6 12.b5 Qc7 13.Rc1 a6 14.bc6 bc6 15.Nd5 Bd5 (15...cd5 16.Bd5 Double attack) 16.cd5 c5 17.Nc4 Nbd7 18.Bc3 (18.Qc2 Rae8=) 18...a5 (18...e4 19.Ba5 Qb8 20.Be2=) 19.Qa4 e4 20.Be2 ed3 21.Bd3 Nd5 22.Ba5 Ra5 (22...Ne5 23.Qb3 Qe7 24.Ne5 Qe5 25.Bd2=+) 23.Qa5 (worse 23.Na5 Ra8 24.0-0 Ra5–+) 23...Qa5 24.Na5 Bc3 25.Rc3 Nc3 ½–½. Jacobi,Robin (1875) – Dorenkamp,Marc (1830), GER–chT U16 Uelzen, 2007.

6.Nf3 Na6 7.Nc3 (7.0-0 Nb4 8.Nc3 Bh6 9.Qb3 a5 10.a3 Nc6 11.h4) 7...Nb4 8.0-0 Nc6 9.d4 e4 10.Ng5 Bh6 11.h4.

6.Nf3 Bg7 7.d4 e4 8.Nfd2 d5 9.cd5 Nd5 10.Qb3 Be6 11.Bc4 Nc6 12.a3 0-0 13.Nc3 Nce7 14.h4 h6 15.Rc1 Bf7 16.Rc2 Rc8 17.Ndb1 Nf6 18.Bf7 Rf7 19.Ne2 Ned5 20.Nbc3 Kh7 (20...c6!?=) 21.Nf4+= Rd7 (21...c6 22.Ncd5 cd5 23.h5+/-) 22.Ne6+/- Qg8 23.Nc5 (23.Ng7?! Kg7 24.Nd5 Qd5 25.Qd5 Nd5+=) 23...Re7 24.Nb7 f4 25.Nd5 Nd5 26.Nc5 h5 27.Kd2 (27.Bc1!?+/-) 27...Bh6 28.Re1 Qf7 29.Re2 (29.ef4 Qf4 30.Kd1 Rd8+=) 29...fe3 30.fe3 Ne3 31.Re3 Qf2 32.Kd1 Qe3 33.Qe3 Be3 34.Re2 Bf4 35.Ne4 Kh6 36.Kc2 Rce8 (36...c6 37.g3 Rce8 38.Kd3=) 37.Kd3= g5 (37...c6 38.g3 Bc7 39.a4=) 38.hg5 (38.g3 gh4 39.gh4 c6+=) 38...Bg5 39.b5 Kg6 0–1. Bychkova,Ekaterina – Kolba,Anastasiya (1845), UKR–ch sf U18 Girls, 2008.

6.d4 e4

7.Nh3 Bg7

8.Nf4 0-0 9.Qb3 (9.0-0 c6 (9...a5 10.ba5 g5 11.Nd5 Nd5 12.cd5 Ra5 13.Qd2 b6 14.Bc3+=; 9...Nc6 10.Qd2 g5 11.Nd5 Nd5 12.cd5 Ne7 13.Nc3 f4 14.Ne4+=; 9...g5 10.Nd5 Nd5 11.cd5 f4 12.Nc3 Qe7 13.Rc1 a5 14.b5=) 10.Nc3 g5 11.Nh3 h6 12.Qc2 f4 13.ef4 g4 14.Ng5–/+; 9.a3 g5 10.Nh3 Bh6 11.Qd2 a5 12.Nc3 ab4 13.ab4 Ra1 14.Ba1=; 9.Nd2 g5 (9...c5 10.bc5 dc5 11.dc5 g5 12.Nh3 h6 13.Qc2 Qc7 14.0-0=; 9...a5 10.b5 g5 11.Nh3 h6 12.Qc2 Qe7 13.Qc3 f4 14.ef4+=; 9...c6 10.0-0 g5 11.Nh3 h6 12.Qc2 f4 13.ef4 g4 14.Ng5+=) 10.Nh3 a5 11.ba5 h6 12.Qb3 Nc6 13.0-0 f4 14.a6+=) 9...c6 (9...a5 10.c5 Kh8 11.cd6 Qd6 12.ba5 Rd8 13.Na3 Nc6 14.a6+=; 9...c5 10.0-0 cb4 11.Qb4 g5 12.Nd5 Nc6 13.Qb5 a6 14.Nf6+=; 9...g5 10.Nh3 f4 11.ef4 g4 12.Ng1 Nh5 13.Qe3 Nf4 14.Qe4+=; 9...Nc6 10.b5 Ne7 11.0-0 g5 12.Nh3 f4 13.Ng5 h6 14.ef4=) 10.Nc3 (10.0-0 g5 11.Nh3 f4 12.Ng5 h6 13.ef4 hg5 14.fg5=) 10...Re8 (10...g5 11.Nh5 Nh5 12.Bh5 g4 13.Ne2 Nd7 14.Nf4=) 11.d5 (11.0-0 Qc7 12.Rad1 g5 13.Nh5 Nh5 14.Bh5+=) 11...g5 (11...a5 12.c5 Kh8 13.cd6 Qd6 14.ba5+=) 12.Nh5 Nh5 13.Bh5 Rf8 14.c5 (14.Rd1+=) 14...cd5 (14...Kh8 15.dc6 bc6 16.Rd1+=) 15.Qd5+/- Kh8 16.0-0-0 Nc6 17.a3 (17.Qd6!? Qd6 18.cd6 Nb4 19.Be2+=) 17...dc5= 18.Qc5 Qe7 (18...Bd7 19.Qd6 Nb8 20.Na4 Qc8 21.Nc5+/-) 19.Qe7+= Ne7 20.Be2 (20.h4 g4+=) 20...Be6= 21.Nb5 a5 22.Bg7 Kg7 23.Kb2 (better is 23.Rd6!? Rfc8 24.Kb2=) 23...ab4+= 24.Nc7 ba3 25.Ka1 Bb3 (25...Kf7 26.Rd6 Bb3 27.Bh5 Kg8=) 26.Na8?? (better is 26.Rd7 Rad8 27.Re7 Kf6 28.Rh7=) 26...Bd1–+ (26...Ra8?! 27.Rd7 Kf6 28.h4=) 27.Rd1 Ra8 28.Rd7 Kf6 29.Bc4 Rc8 30.Rd6 Kg7 31.Rd7 (31.Bb3 b5 32.Rd7–+) 31...Rc4 32.Re7 Kg6 33.Rb7 Rc1 34.Ka2 Rc2 35.Ka3 Rf2 36.Rb2 (36.Rb6 Kh5 37.Rb7 Rg2 38.Rh7 Kg6–+) 36...Rb2 37.Kb2 f4 38.Kc2 (38.ef4 gf4 39.Kc3 Kf5–+) 38...Kf5 (better is 38...f3 39.gf3 ef3 40.Kd3–+) 39.Kd2 Kg4 (39...f3!? 40.Ke1–+) 40.Ke2 h5 41.Kf2 h4 42.Ke2 (42.ef4 gf4 43.h3 Kf5–+) 42...h3 (42...h3 43.Kf2 fe3 44.Kf1 e2 45.Ke2 hg2–+) 0–1. pzn2pawn (1825) – Markchess1234 (1895), redhotpawn.com, 2015.

8.Nf4 a5 A) 9.b5 0-0 (9...a4 10.0-0 0-0 11.Qc2 g5 12.Nd5 Nd5 13.cd5 Nd7 14.a3+=; 9...Qd7 10.0-0 0-0 11.Nc3 g5 12.Nh3 h6 13.c5 f4 14.f3=; 9...Bd7 10.0-0 0-0 11.Nc3 g5 12.Nh5 Nh5 13.Bh5 Be6 14.Be2+=) 10.0-0 g5 11.Nh5 Nh5 12.Bh5 g4 13.c5 d5 14.Nc3+=; B) 9.ba5 Ra5 (9...Nc6 10.0-0 0-0 11.Nc3 Ra5 12.Qb3 g5 13.Nfd5 Nd5 14.cd5+=; 9...0-0 10.0-0 g5 11.Nd5 Nd5 12.cd5 Ra5 13.Qd2 Ra8 14.Nc3+=; 9...c5 10.dc5 Qa5 11.Bc3 Qc5 12.Nd5 Kf7 13.Nf6 Bf6 14.Bf6+=) 10.0-0 0-0 11.Qb3 g5 12.Nh3 h6 13.Nd2 f4 14.f3+=; C) 9.Qa4 Bd7 (9...Qd7 10.b5 0-0 11.0-0 Qf7 12.Nd2 g5 13.Nd5 Nd5 14.cd5=; 9...c6 10.0-0 0-0 11.Nc3 g5 12.Nh5 Nh5 13.Bh5 g4 14.Ne2+=) 10.b5 0-0 11.0-0 g5 12.Nh5 Nh5 13.Bh5 g4 14.c5=.

8.Nf4 a6 A) 9.0-0 Bd7 (9...Nc6 10.a3 0-0 11.Nc3 g5 12.Nfd5 Nd5 13.cd5 Ne7 14.Bc4+=; 9...0-0 10.Nc3 Nc6 11.a3 g5 12.Nfd5 Nd5 13.cd5 Ne7 14.Bc4+=; 9...Qd7 10.Nc3 0-0 11.Qb3 g5 12.Nh3 h6 13.c5 d5 14.f3+=) 10.a3 0-0 11.Nc3 g5 12.Nh3 h6 13.Qc2 Qe7 14.Nd5+=; B) 9.a3 a5 (9...Nc6 10.0-0 0-0 11.Nc3 g5 12.Nfd5 Nd5 13.cd5 Ne7 14.f3+=; 9...c6 10.0-0 0-0 11.Nc3 g5 12.Nh5 Nh5 13.Bh5 g4 14.Ne2+=; 9...0-0 10.0-0 g5 11.Nd5 Nd5 12.cd5 f4 13.Qc2 Bf5 14.Rc1+=) 10.0-0 0-0 11.Nc3 g5 12.Nh3 h6 13.Qc2 Qe7 14.Kh1=; C) 9.Nc3 Qd7 (9...Nc6 10.0-0 0-0 11.a3 g5 12.Nfd5 Nd5 13.cd5 Ne7 14.f3+=; 9...Bd7 10.0-0 Nc6 11.Qb3 0-0 12.a3 Qe7 13.c5 Kh8 14.Rac1+=; 9...0-0 10.Qb3 a5 11.b5 Kh8 12.0-0 g5 13.Nh3 h6 14.Qc2+=) 10.0-0 0-0 11.Qb3 g5 12.Nh3 h6 13.c5 d5 14.f3+=.

8.Nf4 Nc6 A) 9.0-0 Qd7 (9...a6 10.a3 0-0 11.Nc3 g5 12.Nfd5 Nd5 13.cd5 Ne7 14.Qc2+=; 9...0-0 10.Qd2 g5 11.Nd5 Nd5 12.cd5 Ne7 13.Nc3 f4 14.Ne4+=; 9...Bd7 10.Qb3 a6 11.c5 Qe7 12.Nc3 dc5 13.bc5 Na5 14.Qa3+/-) 10.Qd2 0-0 11.Rd1 g5 12.Nh3 h6 13.c5 f4 14.ef4=; B) 9.d5 Nb8 (9...Ne7 10.0-0 0-0 11.Nc3 a5 12.a3 ab4 13.ab4 Ra1 14.Qa1+=; 9...Ne5 10.0-0 0-0 11.Bd4 g5 12.Nh3 Nf7 13.Bh5 h6 14.Nc3+=) 10.0-0 0-0 11.Nc3 g5 12.Nh5 Nh5 13.Bh5 g4 14.Rb1–/+; C) 9.b5 Ne7 (9...Nb8 10.0-0 0-0 11.Nc3 g5 12.Nfd5 Nd5 13.Nd5 a6 14.b6+/-) 10.0-0 0-0 11.Nc3 g5 12.Nh3 h6 13.Qc2 Be6 14.d5+=.

5.Nf3 a5

6.a3 Be7 7.Qa4 Bd7 8.b5 =+.

6.a3 g6 7.d3 Bg7 8.Nbd2 0-0 9.Qb3 Kh8 10.g3 ab4 11.ab4= Ra1 12.Ba1 Nh5 13.Bg2 g5 14.0-0+= f4 15.ef4 gf4 16.b5 Bg4 17.Bc3 Nd7= 18.Qb2 Nc5 19.d4 Na4=+ 20.Qa1 Nc3 21.Qc3 ed4 22.Nd4 Qf6 23.N2b3 f3 24.Bh1 Nf4 25.gf4?? Qg6–+ 26.Bg2 Bh5 (26...Bh5 27.Qf3 Bf3 28.Nf3 Rf4–+; 26...fg2?! 27.Ra1–+) 0–1. Coope,D – Brennan,DR, BCCC, 1993.

6.Qa4 Bd7 7.b5 Be7 =.

6.b5= Nbd7 7.d4 e4 8.Ng5 g6?? 9.Ne6+- Qe7 10.Nc7 Kd8 11.Na8 b6 12.c5 bc5 13.Qd2 (13.Qd2 a4 14.Qa5 Ke8 15.Bc4+-) 1–0. Registration (2300) – drwatson (2245), ICC, 2003.

6.b5 e4 7.Nd4 =.

6.b5= Be7 7.Be2 =.

6.b5 b6

7.d4 e4 8.Nfd2 d5 9.Be2 c5 (9...c6 10.Nc3+=) 10.bc6 (10.cd5!? Nd5 11.Bc4+=) 10...Nc6= 11.0-0 Be7 12.Nc3 Nb4 13.a3 Nd3 14.Bd3 ed3 15.Qb1 (15.cd5 Nd5 16.Rc1 0-0+=) 15...dc4= 16.Nc4 Ba6 17.Ne5 (17.Qd3? Qc8 18.Nb6 Bd3 19.Nc8 Rc8-+) 17...0-0 (better 17...Ng4!?=) 18.Qa2+/- Kh8 19.Nf7 Rf7 20.Qf7 Ne4? (better 20...Qd6!?+/-) 21.Qf5+- d2?? (better 21...Nd6 22.Qe6 Nc4+-) 22.Ne4 Bf1 23.Rf1 1-0. jhonores (2220) - Zaphiri2019 (2190), Rated Blitz game, lichess.org, 2020.

7.d4 e4 8.Nfd2 Be6 9.d5 Bf7 10.Be2 Nbd7 11.0-0 Be7 12.f3 0-0 13.fe4 fe4 14.Nc3 Nc5 15.Rf4 Will e4 fall? 15...Bg6 16.Ba3 (16.Qc2 Nd3 17.Bd3 ed3+=) 16...Nd3 (16...Nfd7 17.Rf8 Qf8 18.Bg4=) 17.Bd3+= ed3 18.Bb2 Nd7 19.Qf3 (19.Nce4 Nc5 20.Qg4 Qd7=) 19...Rf4 (19...Bg5 20.Rf8 Qf8 21.Re1=) 20.Qf4 (20.ef4 Bf6 21.f5 Bf7+/-) 20...Qf8 (20...Bg5 21.Qg3=+) 21.Rf1 Qf4 22.Rf4 (22.ef4!? Bf6 23.Re1=) 22...Bg5=+ 23.Rf3 Ne5 24.Rg3 Bh6 (24...Bh4 25.Rh3 Be1 26.Ncb1-/+) 25.Nce4 (25.Ncb1 Bh5=) 25...a4 (better 25...Nc4!? 26.Nf6 gf6 27.Nc4 Re8-/+) 26.Be5 de5 27.a3 (27.Nf2 Re8=) 27...Rf8 (27...Be4 28.Ne4 g6 29.Nf6 Kg7 30.Ne4=+) 28.Nc3 e4 (better 28...Bh5=) 29.Nce4?? (better 29.h3+=) 29...Be4-+ 30.Ne4 Re8 31.Nc3 Be3 32.Kf1 Bc5?? (better 32...d2 33.Ke2 Bf4 34.Kd3 Re1-+ (34...Bg3?! 35.hg3 Re1 36.Kd2-/+)) 33.Na4?? (better 33.Rd3 Ba3 34.Na4+/-) 33...d2 34.Nc5 (34.Rg7 Kg7 35.Nc5 d1Q 36.Kf2 Qd4 37.Kf3 Re3 38.Kf2 Qf4 39.Kg1 Re1) 34...Re1 (34...d1Q 35.Kf2 Qe2 36.Kg1 Qe1) 35.Kf2-+ d1Q 36.Rf3 Rf1 37.Kg3 (37.Ke3 Rf3 38.gf3 Qg1 39.Kd3 Qc5-+) 37...Rf3 38.gf3 bc5 (38...Qg1 39.Kf4 Qc5 40.h3-+) 39.f4 (39.h3 Qg1 40.Kf4 g5 41.Kf5 Kf7 42.h4 Qe3 43.Kg4 Qf4 44.Kh3 Qf3 45.Kh2 gh4 46.d6 h3 47.dc7 Qg2) 39...Qa4 40.d6 cd6 41.b6 Qa6 (41...Qa3 42.Kg4-+) 42.b7 Qb7 (42...Qc4?! 43.b8Q Kf7 44.Qd6 Qb3 45.Kf2 Qb2 46.Ke1=+) 43.a4 Qb4 (43...Qb3 44.Kg4-+) 44.a5 Qa5 45.Kg4 Qb4 46.h4 Qc4 47.h5 Qe6 48.Kf3 d5 49.h6 Qe4 50.Kg4 g6 (50...Qg2 51.Kf5 Kf7 52.Ke5 Ke7 53.Kf5 g6 54.Ke5 Qe4) 51.Kg5 (51.Kg3 d4 52.Kf2 Qf4 53.Kg2 d3 54.Kg1 d2 55.Kg2 d1Q 56.Kh3 Qdf3) 51...Qf5 (51...Kf7 52.Kg4 Qg2 53.Kh4 c4 54.f5 gf5 55.Kh5 Qg4) 52.Kh4-+ Qf4 (52...Qf4 53.Kh3 Qf3 54.Kh2 d4 55.Kg1 d3 56.Kh2 d2 57.Kg1 d1Q 58.Kh2 Qdh1) 0-1. NoLuckOnlySkill (2185) - Captcha_Masta (2145), Rated Blitz game, lichess.org, 2016.

7.Be2 Bb7 8.0-0 Be7 9.Ng5 Qd7 10.Bh5 (10.f4 ef4 11.Bh5 g6+=) 10...Nh5= 11.Qh5 g6 12.Qh6 Bg5 (12...Bf6 13.Nc3=) 13.Qg5+= Qe7 14.Qh6 1–0. GuestRTFM – GuestWCNL, freechess.org, 2018.

6.b5 g6

7.d4 e4

8.Nfd2 Bg7

9.Nc3 c5 10.bc6 bc6 (10...Nc6 11.Be2 0-0 12.0-0 Qe7 13.Qb3 Rf7 14.Na4 Nd7+=) 11.Be2 0-0 12.0-0 Na6 13.Rb1 c5 14.Nb3 Be6 +=.

9.Nc3 c5 10.Be2 0-0 (10...Nbd7 11.0-0 0-0 12.d5 Ne5 13.Rb1 Nfg4 14.Na4 Nh6+=; 10...cd4 11.ed4 0-0 12.0-0 Re8 13.Re1 f4 14.c5 d5+=) 11.0-0 Nbd7 12.Qc2 Qc7 13.Rac1 cd4 14.ed4 Bh6 +=.

9.Nc3 Be6 10.Qb3 0-0 11.a4 Nbd7 12.Ne2 c5 13.Nf4 Bf7 14.h4 cd4 15.Bd4 Ng4 16.Bg7 Kg7 17.Qc3 Nge5 18.Be2 Qf6 19.Rc1 Nc5 20.Qc2 Rac8 21.f3 (21.Qd1 Rfd8–/+) 21...ef3 22.gf3 d5 23.Nd3 (better 23.h5!?–/+) 23...Ncd3–+ 24.Bd3 f4 (24...Qb6 25.Kd1 dc4 26.Qc3 Qe3 27.Re1 Qd3 28.Qe5 Kg8 29.Rc3–+) 25.e4 dc4 26.Be2 c3 27.Nb1 (27.Nf1–+) 27...Qb6 28.Nc3 (28.Rd1 Qe3 29.Kf1 Bc4 30.Bc4 Qf3 (30...Nc4?! 31.Rd3=+) 31.Kg1 Qg3 32.Kf1 Rc4–+) 28...Qe3 29.Rf1 (29.Kf1 Rfd8 30.Rh2–+) 29...Rfd8 30.Nd5 Bd5 31.Qc8 Nd3 32.Kd1 Bb3 (32...Qc1?! 33.Qc1 Bb3 34.Kd2 Nc1 35.Kc1 Ba4 36.Rg1–/+) 33.Qc2 (33.Rc2 Qc1) 33…Qc1 0–1. bulbaknight (1970) – kylion (2175), gameknot.com, 2018.

9.Nc3 Qe7 10.a3 Nbd7 (10...Be6 11.Be2 0-0 12.0-0 Nbd7 13.Qb3 Nb6 14.d5 a4+=; 10...0-0 11.Be2 c5 12.0-0 cd4 13.ed4 f4 14.Qb3 Bf5+=) 11.Be2 Nb6 12.0-0 0-0 13.Rc1 Be6 14.d5 Bc8 +=.

9.Nc3 Qe7 10.Rb1 0-0 11.Be2 Be6 12.Qc2 Nbd7 13.d5 Bf7 14.0-0 Ne5 =.

9.Nc3 Qe7 10.Be2 Be6 (10...0-0 11.0-0 Nbd7 12.Rc1 c5 13.bc6 bc6 14.Rb1 c5+=; 10...Nbd7 11.0-0 0-0 12.Qb3 Nb6 13.Na4 Na4 14.Qa4 Ng4+=) 11.0-0 0-0 12.Qc2 Nbd7 13.Rad1 Nb6 14.Na4 Na4 +=.

9.Be2 0-0 10.Nc3 Qe8 11.0-0 Be6 12.f3 ef3 13.Bf3 (worse is 13.gf3 Nbd7=) 13...Qc8 14.e4 (14.Qe2 a4+=) 14...fe4 15.Nce4 Ne4 16.Be4 (worse is 16.Ne4 Bc4 17.Rf2 a4+=) 16...Rf1 17.Qf1 c6 18.Qe2 Bf7 19.Rf1 Qe8 20.Qf3 1–0. pierre – Yahae, internet, 2015.

9.Nc3 0-0

10.a4 Nbd7 11.Be2 =.

10.a4 Be6 11.Be2 Nbd7 12.0-0 Qe7 13.Qc2 Nb6 14.Rad1 Rf7 +=.

10.a4 Be6 11.Be2 Nbd7 12.0-0 Qe7 13.d5 Bf7 14.Qc2 =.

10.a4 Be6 11.Be2 Nbd7 12.0-0 g5 13.f3 ef3 14.Bf3 Rb8 15.Qc2 g4 16.Bd5+/- Bd5 17.cd5 Qe8 18.Rae1 Nb6 19.Rf5 Qg6 20.e4 Bh6 21.Nf1 Ne4? 22.Rf8+- Rf8 23.Qe4 Nc4 24.Qg6 hg6 25.Bc1 Bg7 26.Re4 (26.Re4 g3 27.Ng3+-) 1–0. pierred – Nokarookoff, ChessWorld.net, 2006.

10.a4 Qe7 11.Be2 Be6 12.0-0 Nbd7 13.Rc1 Rae8 14.Nb3 Ra8 +=.

10.Be2 Nbd7 11.0-0 c5 12.bc6 bc6 13.Rb1 Qc7 14.Qa4 Nb6 +=.

10.Be2 Be6 11.0-0 Nbd7 12.Qc2 Qe7 13.f3 Bh6 14.Nd1 Bf7 =.

10.Be2 Qe7 11.0-0 Nbd7 12.Qc2 Nb6 13.Rfc1 Be6 14.a3 Qf7 =.

10.a4 c5

11.Nb3 Qb6 12.Be2 Be6 13.0-0 Nbd7 14.d5 Bf7 +=.

11.dc5 dc5 12.Qc2 Be6 13.0-0-0 Qc7 14.Be2 Nbd7 15.f3 ef3 16.gf3 b6 17.h4 Nh5 18.f4 Ndf6 19.Rdg1 Rad8 20.Rg2 Bc8 21.Rhg1 Bb7=+ 22.Rg5 Rfe8?? 23.Bh5+- Nh5 24.Rh5! Re3 25.Rf5! Rb8 1–0. Brauer – Verbesek, corr, 1975.

11.dc5 dc5=+ 12.Qc2 Be6 13.0-0-0 Qe7 14.Be2 Nbd7 15.f3 ef3 16.gf3 Nb6 17.h4 Qf7 18.Ncb1 Nfd7 19.f4 Bb2=+ 20.Qb2 Qg7 21.Qg7+= Kg7 22.Nc3 Nf6 23.Rdg1 Rfe8 24.Rh3 Bf7 25.Kb2 Re7 26.Kb3 Rae8 27.Rgg3 Rd8 28.Nf1? Ne4–+ 29.Ne4 Re4 30.h5 Nc4 31.hg6 hg6 32.Kc3 Nb6 33.Rh2 Na4 34.Kc2 Nb6 35.Nd2 Rb4 36.Bd3 Nc4 37.Nc4 Bc4 38.Bf5 Bf7 39.Rhg2 Rd6 40.e4 Rb5–/+ 41.e5 Rdb6 42.Kc1 Rb4 43.Rf2 Bd5–+ 44.Bc2 Be4 45.f5 Bc2 46.Rc2–/+ Rb1 47.Kd2 R1b2 48.Rb2 Rb2=+ 49.Kc3 Rb6 50.e6? Rc6 51.Rg6= Kf8 52.Kc4 a4 53.Rf6 Ke7 54.Rf7+/- Kd6 55.Rd7 Ke5= 56.e7 Rc8 57.Rd8 (57…Rd8 58.ed8Q Kf5 59.Kc5+-) 1–0. Rush,Bradley – Gilmore,Christian, IECG 7PSRR, 1995.

11.dc5 dc5 12.Be2 Be6 13.0-0 Nbd7 14.Qb3 Qe7 =.

11.bc6!? bc6 12.Rb1 =.

10.Qb3 Be6

11.a4 Qe7 12.Be2 Nbd7 13.0-0 Nb6 14.Rad1 Rae8 15.d5 Bc8 16.Ncb1 =.

11.a4 Ng4 12.h4 Nf6 13.Be2 Nbd7 14.h5 Nh5 15.Bh5 gh5 16.Ne2 +=.

11.Be2 Nbd7 12.Qc2 Nb6 13.0-0 Qe7 14.d5 Bf7 15.a3 Rfc8 16.Rab1 +=.

11.Be2 Nfd7 12.Rd1 Qg5 13.0-0 Nb6 14.Qa3 N8d7 15.c5 dc5 16.dc5 +=.

11.Be2 Qe7 12.0-0 Nbd7 13.Rad1 Nb6 14.Na4 Na4 15.Qa4 Nd7 16.Qc2 +=.

11.a4 Nbd7

12.Be2 Qe7 13.Rd1 Rae8 14.0-0 Bh6 15.Rfe1 Nb6 16.Qc2 +=.

12.Ne2 Ng4 13.h4 c5 14.Nf4 Bf7 15.d5 Bb2 16.Qb2 =.

12.Ne2 c5 13.Nf4 Bf7

14.Be2 Re8 15.d5 Ne5 16.0-0 +=.

14.h4 Rb8 15.d5 A) 15...Ne5 16.Be2 Qe7 17.Bc3 b6 18.Qc2 Rbe8 19.0-0-0 h6 20.Kb1=; B) 15...Qe7 16.Be2 Ne5 17.Bc3 Nfd7 18.Qc2 Rbe8 19.Nb3 b6 20.0-0-0=; C) 15...Re8 16.Rb1 (16.Be2 Ne5 17.Rb1 h6 18.h5 g5 19.Ng6 Ng6 20.hg6=+) 16...Bh6 17.Nh3 Ng4 18.Ng5 Bg5 19.hg5 b6 20.Rd1=.

14.h4 Qe7 15.d5 A) 15...Rae8 16.Be2 Ne5 17.Bc3 b6 18.Qc2 Bh6 19.0-0-0 Neg4 20.Qb2=; B) 15...Ne5 16.Be2 Nfd7 17.Qc2 Rae8 18.Nb3 Qf6 19.0-0-0 Qe7 20.Bc3=.

14.h4 Re8 15.Be2 Rc8 16.d5 Ne5 17.f3 ef3 18.gf3 Qe7 19.0-0-0 Ned7 20.Nf1 Kh8 21.Rd2 Nh5 22.Nh5+/- gh5 23.Bg7 Kg7 24.Bd3 Qf6 25.Ng3 Re3 26.Qb2 Qb2 27.Kb2 Bg6 28.Nf5 Bf5 29.Bf5 Rc7 30.Bd7 Rd7 31.Rg1 Kf7 32.Rdg2 Rde7 33.Rg7 Kf6 34.Re7 Re7 35.Rg8 Ke5 36.Kc3 Kf4 37.Rf8 Kg3 38.Kd3 Kh4 39.Rf6 Kg5 (39...Kg5 40.Rd6 h4 41.f4 Kf4=). Sokolski,Alexey – Lyavdansky, Vladimir, 1960.

14.h4 h6 15.Be2 A) 15...Rc8 16.d5 Qb6 17.Qc2 Ne5 18.Rd1 Rce8 19.Nb3 Qc7 20.Bc3=; B) 15...Qc7 16.d5 Ne5 17.0-0-0 Qe7 18.Qc2 Rae8 19.Kb1 Qd8 20.Bc3=; C) 15...Qb6 16.Rd1 Rac8 17.0-0 Qc7 18.d5 Rce8 19.Bc3 Re7 20.Qb2=.

14.h4 cd4

15.ed4 Qb6 16.Be2 Ng4 17.Bg4 fg4 18.Qe3 Rae8 19.h5 g5 20.Nd5 =.

15.ed4 Rc8 16.Be2 Nb6 17.d5 Nbd7 18.Ra2 Nc5 19.Qg3 Nfd7 20.Bg7 =.

15.ed4 Ng4 16.Be2 Re8 17.Bg4 fg4 18.h5 g5 19.Ne2 h6 20.Rc1 =.

15.Bd4 Nc5 16.Qb2 Rc8 17.Be2 Qe7 18.0-0 Ne8 19.h5 g5 20.Nd5 =.

15.Bd4 Rc8 16.Qc3 Ne5 17.Be2 Nfd7 18.g4 fg4 19.Bg4 Qe7 20.Rh3 =+.

15.Bd4 Rc8 16.Rd1 Nc5 17.Qc2 Qc7 18.Be2 Rfd8 19.Qc3 Qe7 20.h5 =.

15.Bd4 Rc8 16.Be2 Nc5 17.Qa3 Qe7 18.Qb2 d5 19.cd5 Bd5 20.0-0 Rfd8 21.Rfc1 Ne6 22.Rc8 Rc8 23.Nd5 Nd5 24.Bg7 Qg7 25.Qg7 Kg7 26.Bc4 Nec7 27.Bd5 Nd5=+ 28.Nb3 b6 29.Kf1 Kf6 30.Rd1 Ke5 31.Nd4 Rc3 32.g3 Nb4–/+ 33.Ra1 Nd3 34.Ke2 Nc5 35.f4 Kd5 36.h5 Rc4 37.hg6 hg6 38.Rd1 Nd3 39.Rh1 39...Ra4–+ 40.Rh6 Ra2 41.Kf1 Ra1 42.Ke2 Rg1–+ 43.Rh8? a4 44.Rc8 Rg3 45.Rc6 Nf4! (45...Nf4 46.Kd2 Rg2 47.Kd1 Nd3–+) 0–1. Zylla,Johannes – Ruwette,Hans, corr ICCF–Cup8/9 V078, 1990.

15.Bd4 Rc8 16.Be2 Nc5 17.Qb2 Qe7 18.Nb3 b6 19.0-0 Rfd8 20.Rfd1 =.

5.Nf3 c6

6.a3 a5 7.Be2 ab4 8.ab4 Ra1 9.Ba1 Be7 10.0-0 =.

6.Qb3 e4 7.Nd4 c5 8.Nc2 Nc6 9.Nc3 Be7 10.Be2 0-0 11.0-0.

6.Qb3 g6 7.c5 (7.Nc3 a5 8.b5 Nbd7 9.d4 ed4 10.Nd4 Nc5 11.Qc2) 7...e4 (worse 7...dc5 8.Ne5 (8.Bc4 Qe7 9.Ne5 Nbd7 10.Nd7 Bd7 11.bc5) 8...Qe7 (8...Qd5 9.Bc4 Qg2 10.Bf7 Ke7 11.Rf1) 9.bc5+- Bg7 10.Nc4 0-0 11.Nd6) 8.Ng5 d5 9.f4 (9.Be2 a5 10.d4 ed3 11.Bd3) 9...h6 10.Nh3 Be6 (10...a5 11.a3) 11.Nc3 (11.Be2=) 11...Bg7 12.Ne2 Bf7 13.Nd4 Nbd7 14.Be2 Nf8 15.b5 Qc7 16.Rb1 Ke7 (16...N8d7 17.Rc1=) 17.b6 (better 17.Qa4!? Be8 18.bc6 Bc6 19.Nc6 Qc6 20.Bb5+-) 17...ab6= 18.cb6 (worse 18.Qb6 Qb6 19.cb6 Ne6–/+) 18...Qd6 19.a4 Ke8 20.Nc6 bc6? (20...Qc6 21.Bb5) 21.b7 (21.Be5 Qe7 22.b7+-) 21...Rb8+- 22.Be5 Qd8 23.Bb8 Qb8 24.Qb6 N8d7 25.Qc6 Ke7 26.0-0 d4 27.Bc4 Bc4 28.Qc4 de3 29.de3 Qa7 30.Rfc1 Qe3 31.Kh1 Rb8 32.Qb4 Kf7 33.Qa5?? (33.Rc8 Bf8 34.Qc4 Kg7 35.Rb8 Nb8 36.Qc7 Nfd7+-) 33...Bf8?? (better 33...Rb7! 34.Qa6 Rb6 35.Qc4 Re6–+) 34.Qc7 Bc5 (better 34...Qa7 35.Ng5 Kg8=) 35.Rd1+- Ke7 36.a5 Bd4 37.Qc4 Ba7 38.Qc6 Bc5 39.Rb2 Rd8 (39...Ba7 40.Rbd2 Rd8 41.Rd6+-) 40.Rbd2 (40.Qc7 Ba7+-) 40...Ba7 41.Rd6 Qb3 42.Ng5! hg5 43.fg5 Qd1? (better 43...Ne8 44.Rd7 Rd7 45.Qd7 Kf8+-) 44.Rd1+- Ng4 45.Rd6 e3?? (45...Nde5 46.Qc7 Rd7 47.Rd7 Nd7+-) 46.Rg6 Nf2 (46...Nc5 47.Qc7 Rd7 48.Rg7 Kf8 49.Rd7 Nd7 50.Qd7 Nf2 51.Kg1+-) 47.Kg1 Nh3 48.Kf1 e2 49.Ke1 Nf4 (49...Bf2 50.Ke2 Nf4 51.Kf2 Ng6 52.Qg6 f4+-) 50.Rg7 Ke8 51.Qd6 Ng2 52.Ke2 Nf4 53.Qf4 (53.Kf3 Bc5 54.Qd7 Rd7 55.b8Q Rd8 56.Qe5 Ne6 57.Qe6 Kf8 58.Qf7) 53...Bb8 54.Qf5 Ne5 (54...Nf6 55.Qe6 Kf8 56.Qe7) 55.Qe6 (55.Qe6 Kf8 56.Rg8) 1–0. Sebald,Ralph – Surrey,Oliver, NRW–chT U18, 1999.

6.Nc3 a5 7.a3 Nbd7 8.Qc2 ab4 9.ab4 Ra1 10.Ba1 e4 11.Nd4 Ne5 12.b5 Be7 13.Qa4 Bd7 14.Be2 c5 15.Nb3 g5 16.Qa7+= Be6 17.b6 0-0 18.Na5 Qa8 19.Nb5+/- Nc6 20.Nc6+- bc6 21.Nc7 Qc8 22.Bf6 Bf6 23.Ne6 Qe6 24.0-0 d5+= 25.b7 Be5 26.Qc5+/- f4 27.f3 fe3 28.de3 ef3 29.Rf3 Rf3? 30.Bf3 g4 31.cd5 Qh6 1–0. Kilpatrick,Robert – McGhee,P, corr SCCA swiss, 1978.

6.Nc3 Na6 7.b5 Nc7 8.a4 (8.bc6 bc6 9.Rb1 Be7+=) 8...Be7= 9.Be2 0-0 10.0-0 a6 (10...e4 11.Nd4 c5 12.Nb3=) 11.Qc2 ab5 (11...Bd7 12.h3=) 12.ab5+= Ra1 13.Ra1 Ne6 14.Ra8 (14.h3 e4 15.Nd4 Nd4 16.ed4 Be6+=) 14...Qc7 15.Qb3 Bd7?? (better 15...Nc5 16.Qb4 Nfe4+=) 16.b6+- Nc5 Black prepares e4 17.Qb4 (17.bc7?! Nb3 18.Rf8 Kf8+-) 17...Na6 18.Qa5 (18.bc7?! Nb4 19.Rb8 Bc8+/-) 18...Ra8 (18...Qc8 19.Rc8 Bc8 20.d4+-) 19.bc7 Bc8 (19...Rc8 20.Na4 c5 21.Nb6 Rc7 22.Ng5+-) 20.Qb6 (better 20.Na4 Nd7+-) 20...e4 (20...Nd7 21.Qb3 Ndc5 22.Qc2+-) 21.Ne1 (better 21.Nd4 Ne8 22.g4 fg4 23.Ne4 Nac7 24.Bd3+-) 21...d5 (21...Ne8+-) 22.cd5 Nd5 (22...Nd7 23.Qa5 b6+-) 23.Nd5 cd5 24.Ba6 (24.Qd4 Bf6 25.Qd5 Be6 26.Qe6 Kh8 27.c8Q Rc8 28.Qc8 Bd8 29.Qd8) 24...Ra6+- 25.Qb5 Rc6 (25...Kf8 26.Bg7! Kf7 27.Bc3+-) 26.Kf1 (26.Qd5 Be6 27.c8Q Kf7 (27...Rc8 28.Qe6 Kf8 29.Qc8 Kf7 30.Qf5 Kg8 31.Qe4 Kf7 32.Nf3 Ke8 33.Ba3 Kd7 34.Qb7 Ke6 35.Qe7 Kf5 36.e4 Kg6 37.Qe6 Kh5 38.g4) 28.Qce6 Re6 29.Bg7 Bf6 30.Qf5 h6+-) 26...Rc7 (26...Kf7 27.Be5+-) 27.Qd5 (better 27.Qe8 Bf8 28.Ba3+-) 27...Kh8 (27...Kf8 28.Ba3! Ke8 29.Qg8 Kd7 30.Qg7+-) 28.Bc3 (28.Qf7 Rc3 29.Qe8 Bf8 30.Qf8) 28...Rd7 29.Qc4 (29.Qf7 Rd4 30.Bd4 Be6 31.Qg7) 29...Rd8+- 30.Nc2 (30.Qf7 Bf8+-) 30...Bd7 (30...Bd6 31.Qd4 Rd7 32.Qd5+-) 31.Qd5 (better 31.Qf7!? Bf8+-) 31...Bb5 (31...b6+-) 32.Qb5 (32.Qb5 Rg8 33.Qf5+-) 1-0. Fettito (1750) - infamone (1800), lichess.org, 2019.

6.Nc3 Be6 7.a3 (7.Ng5 Bd7+/-) 7...a6 (7...Be7 8.d4+=) 8.Be2 (8.Ng5 Bc8+/-) 8...Nbd7 (8...Ne4 9.d4 Nc3 10.Bc3+=) 9.0-0 e4 (9...Nb6 10.Qb3+/-) 10.Nd4 Qe7 11.Bh5 (better 11.f3!? ef3 12.Bf3+=) 11...g6 12.Be2 Ne5 13.Ne6 Qe6 14.c5 (14.d3 ed3 15.Bd3 Bg7=) 14...d5 (better 14...dc5!? 15.Rb1 cb4 16.ab4 b5-/+) 15.d4 (15.f4 ef3 16.Bf3 Bh6=) 15...ed3 16.Bd3 Nd3 17.Qd3 Bg7 18.Rab1 (18.Ne2 0-0=) 18...0-0 19.Na4 Rf7 20.Nb6 Raf8 21.Rfe1 Ne4 (21...Re8 22.Bd4=) 22.f3 Bb2 23.Rb2 Nf6 24.Rbe2 Nd7 25.Nd7 Rd7 26.e4 (26.Qc3 Re7=) 26...fe4 (26...de4!? 27.Qc2 Qe5=+) 27.fe4= de4 28.Qe4 Qe4 29.Re4 Rd2 30.R4e2 Rd3 31.Re3 Rd2 32.R3e2 Rd3 33.Re3 Rfd8 (33...Rd2 34.g3=) 34.Rd3+= Rd3 35.Ra1 (35.Re7!?+=) 35...Kf7=+ 36.Kf2 Ke6 37.g3 Ke5 38.Kg2 Kd4 39.Kh3 (39.Rf1 Ra3 40.Rf7 Ra2 41.Kg1 Kc4 42.Rb7 Rb2 43.Rh7 Rb4=+) 39...h5 (better 39...Kc4!?-/+) 40.Kh4= Rf3 (40...Rd2 41.h3=) 41.Kg5 Rf2 42.h4 Rf3 43.Kg6 Rg3 44.Kh5 Kc4 45.Kh6 Kd5? (better 45...Kb3!?+=) 46.h5+/- Ke6 (better 46...a5!? 47.ba5 Kc5+/-) 47.Kh7+- Kf7 48.Rf1 (48.h6 Kf8+-) 48...Ke7 49.Ra1 Rh3?? (49...Kf7 50.h6 Kf6+-) 50.h6+- Kf6 51.Rf1 Kg5?? (51...Ke6+-) 52.Rg1 (better 52.Kg7 Ra3 53.Rf7 Rh3+-) 52...Kh5 (52...Kf6 53.Rg6 Kf7 54.Rg7 Ke6+-) 53.Kg7 Rh4 54.h7 Rg4 55.Rg4 Kg4 56.h8Q Kf3 57.Qe8 (57.Qe8 Kg2 58.Qc8+-) 1-0. Fettito - Older33, lichess.org, 2019.

6.Be2 Qb6 7.b5 a6 (7...Be7 8.Nc3+=) 8.a4 (8.Nc3 ab5 9.cb5 Be7+=) 8...ab5 (8...Be7 9.0-0+=) 9.ab5 (9.cb5 Be7+=) 9...Ra1+= 10.Ba1 Ne4 (10...e4 11.Ng5+=) 11.0-0 Qa5 (11...Be7 12.Nc3+-) 12.Bb2 (12.Nc3 Be7+-) 12...Be6 (12...Be7 13.Nc3+-) 13.d3 Nf6 (13...Nc5 14.Nc3 Be7 15.Qc2+-) 14.Ng5 (14.Nc3 h6+-) 14...Bg8+- 15.Bc3 Qd8 (15...Qc7 16.bc6 bc6 17.Nd2+-) 16.f4+- Nbd7 (16...Qb6 17.fe5 Qe3 18.Kh1 de5 19.Rf5+-) 17.bc6 (17.fe5 Ne5 18.Be5 de5 19.Rf5 Nd7+-) 17...bc6 18.fe5 de5 19.Rf5 g6 (19...Qb6!? 20.Kh1 h6+-) 20.Rf1 Bh6 21.h4 Qb6 22.Qc1 Ke7? (22...Bf7+-) 23.Qa3 c5 (23...Ke8 24.Qa8 Ke7 25.Kf2+-) 24.Qa1 (better 24.Ba5 Qc6 25.Nc3 Bg5 26.hg5 Ne8+-) 24...Qd6 (24...Be6 25.Be5 Ne5 26.Qe5+-) 25.Na3 Bg5 (25...Kf8 26.Nb5 Qe7 27.Na7+-) 26.hg5 Ne8 (26...Nh5 27.Nb5 Qe6 28.Qa8+-) 27.Nb5 Qb8 (27...Qe6 28.Qa8 Qb6+-) 28.Na7 Qc7 29.Nb5 (better 29.Bf3 Kf8 30.Nc6 Bf7 31.Ne5 Nef6+-) 29...Qb8 30.Na7 Qc7 31.Bf3 Nb8 (31...Kf8 32.Nc6 h5 33.Ne5 Bf7+-) 32.Be5 (32.Be5 Be6 33.Bc7+-) 1–0. DEFFM – GuestNBSC, freechess.org, 2018.

6.Be2 e4 7.Nd4 d5 (7...c5 8.Nb5 Be7 9.Qb3+=) 8.b5 Bd6 (8...c5 9.Nb3 dc4 10.Bc4 Nbd7=) 9.a4 (9.cd5!? cd5 10.Nc3+/-) 9...0-0 10.0-0 (10.cd5!? cd5 11.0-0+=) 10...c5+= 11.Nc2 Be6 12.cd5 Bd5 13.d4 Nbd7 14.Nd2 Rc8 15.Nc4 White prepares a5 15...Bb8 16.N2a3 Qe7 17.h3 g5 Black plans f4 18.Rc1 Rf7 (18...cd4 19.Bd4 Rfd8 20.Re1=) 19.a5 f4 20.ef4 gf4 (worse is 20...Bf4 21.Ne3+/-) 21.Ne5 (21.Re1 Rd8+=) 21...Rg7 (21...Ne5 22.de5 Be5 23.Be5 Qe5 24.Nc4–+) 22.Bc4 (22.Bg4 A) 22...Be5 23.de5 Ne5 24.Bc8+=; B) 22...Ne5?! 23.de5 (23.Bc8? e3 24.f3 e2 25.Qe2 Nf3 26.Qf3 Bf3 27.Rf3 Qe4–+) 23...Be5 24.Be5 Qe5 25.Bc8–/+; C) 22...f3 23.g3 Ne5 (23...Be5 24.de5 Ne5 25.Bc8+/-; 23...Ng4?! 24.Ng4 c4 25.Nc2–+) 24.de5 C1) 24...Rg4 25.ef6 (25.hg4?! Be5 26.Be5 Qe5+=) 25...Rg3 26.fg3+/-; C2) 24...Be5 25.Bc8 Bb2–+) 22...Bc4 (22...Be5? 23.de5 Ne5 24.Bd5 Kh8 25.Nc4+-; worse is 22...Ne5 23.de5 Be5 24.Bd5 Kh8 25.Be5 Qe5 26.Nc4 Qd5 27.Qd5 Nd5 28.Nd6=) 23.Nac4 f3 24.g3 Nd5 (24...Qe6 25.Kh2 Rg5–+) 25.Kh2 (better is 25.dc5!? Nf4 26.Qd7 Ne2 27.Kh1 Qd7 28.Nd7 Rd7 29.Rcd1+=) 25...Ne5 (25...Qe6 26.Qd2 N7f6 27.Rfe1+=) 26.de5= Nf4 27.Ne3 (27.gf4 Rg2 Combination) 27...Nd3 e5 becomes the focus of attention (worse is 27...Be5 28.Be5 Qe5 29.gf4 Qf4 30.Kh1+-) 28.Qb3? (better is 28.Nf5!? Qe6 29.Ng7 Kg7 30.Qd2=) 28...Kf8–/+ 29.Nf5? (better is 29.Rb1–/+) 29...Qf7–+ (29...Qf7 30.Qf7 Rf7–+) 0–1. algernon (2510) – mgilbert (2545), net–chess.com, 2015.

6.Be2 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Be2 c6).

6.Nc3 Be7

7.Qb3 a5 8.b5 Nbd7 9.d4 ed4 10.Nd4 Nc5 11.Qc2.

7.Qb3 Be6 8.d4 e4 9.Nd2 d5 10.f3 Na6 (10...ef3 11.gf3 0-0 12.c5=+) 11.a3 (11.cd5 Nd5 12.Ba6 ba6 13.fe4 fe4=) 11...Nc7 12.fe4 fe4 13.Be2 0-0 (13...Bg4 14.0-0=) 14.0-0 Qd7 15.c5 Bg4 16.Rf2 (16.Bg4 Qg4 17.Rf4 Qe6=) 16...Be2=+ 17.Ne2 Ng4 18.Rf8 Rf8 19.h3 Nf2 20.Rf1 Nd3 21.Rf8 Kf8 22.Bc3? (better 22.Nc1 Bg5 23.Nf1=+) 22...Bg5 23.Nf1 Qf5 24.Neg3 (better 24.Qd1 Qf2 25.Kh2-+) 24...Qf2 25.Kh2 Be3 (25...Nb5 26.h4 Bh4 27.a4 Nc3 28.Qc3-+) 26.Ne3 Qe3 27.Qd1 Ne6 28.Qh5 (better 28.Qf1 Ndf4 29.Bb2-+) 28...Ng5?? (better 28...Ndf4 29.Qf5 Ke7 30.Qg5 Kd7 (worse 30...Ng5 31.Nf5 Kf6 32.Ne3-+) 31.Qe7 Ke7 32.Nf5 Kf7 33.Ne3 Ne2-+) 29.Qg4-/+ Qf4?? (better 29...g6-/+) 30.Qc8+- Kf7 31.Qb7 Kg6?! (31...Kf8 32.Qc6 Nh3 33.Qa8 Ke7 34.Qa7 Kf6 35.Qb6 Ke7 36.Qb7 Kf8 37.Qd5 Nhf2 38.Qf5 Ke8 39.Qf4 Nf4+-) 32.Qc6 Kf7 (32...Qf6 33.Qd5 Nf4 34.Qd7+-) 33.Qd5 Kf8 (33...Kg6 34.Qc6 Qf6 35.Qf6 Kf6 36.d5 Ke7 37.Bg7+-) 34.Qf5 (better 34.Qd8 Kf7 35.d5+-) 34...Qf5 35.Nf5 g6 (35...Nf4 36.Ne3+-) 36.Ne3 (better 36.c6 Ne6 37.d5 Ndf4 38.de6 Ne6+-) 36...Ke7 37.d5 Nf7 38.b5 (38.Bd4 a6+-) 38...Nfe5?? (better 38...Nc5 39.Bd4 Kd6+-) 39.d6 (39.Bd4!? Nf7+-) 39...Ke6 40.Be5 (better 40.Bd4!? Nf7+-) 40...Ne5 41.a4 (41.Ng4 Nc4+-) 41...Nd3 42.b6 (42.c6!? Kd6 43.Nd5 e3 44.Ne3 Nc5 45.Nc4 Kc7+-) 42...ab6+/- 43.cb6 (43.cb6 Kd6 44.a5+/-) 1-0. zembelek (2110) - ReiCapenga (2065), Rated Blitz game, lichess.org, 2014.

7.d4 e4 8.Nd2 0-0 9.Be2 Be6 10.0-0 d5 11.a3 Nbd7 12.cd5 cd5 13.Na4 a6 (13...b6 14.Rc1=) 14.Nc5+= Nc5 15.dc5 Nd7 16.Nb3 Bf6 17.Nd4 Qe7 18.Qc2 (18.Qb3 b6 19.cb6 Nb6+=) 18...Ne5 19.Ne6 Qe6 20.Bd4 (20.Rad1 Rad8=) 20...Nc6 (20...f4 21.ef4 Nf3 22.gf3 Bd4 23.Rad1 ef3 24.Bf3 Rf4 25.Rfe1=+) 21.Bf6 Qf6 22.Qb3 Rad8 23.a4 White intends b5 (23.Rad1 Qe6+=) 23...Kh8 (23...f4 24.Rad1 Qe6 25.ef4 Rf4 26.b5 ab5 27.ab5=) 24.b5+= ab5 25.ab5 (worse 25.Qb5 f4 26.Kh1 d4 27.ed4 Nd4-/+) 25...Ne5 26.Rfd1 The backward pawn on d5 becomes a target (26.Ra7 Rd7+=) 26...Rd7 (26...f4 27.ef4 (worse 27.Rd5 Nf3 28.gf3 Qa1 29.Qd1 Qd1 30.Rd1 Rd1 31.Bd1 ef3-/+) 27...d4 28.Qg3=+) 27.Ra7 Rfd8 28.Qa2 (28.b6 Nc6 29.Bb5 d4+=) 28...h6 (28...f4!?=) 29.Ra8 Qe6 30.Rd8 Rd8 31.Qa7 Qe7? (better 31...Rc8+=) 32.c6!+- Nc6?? (32...bc6 33.Qe7 Pinning (33.Qe7 Deflection)) 33.bc6 d4 (33...f4 34.ef4 Qc7 35.Qb7 Qf4 36.c7+-) 34.ed4 (better 34.Rd4 Re8 35.cb7+-) 34...Qc7 (34...e3 35.Qb7 Qe6+-) 35.Qb7 Qb7 36.cb7 Rb8 37.Ba6 g5 38.Rc1 Kg7 39.Rc8 Rb7 40.Bb7 f4 (40...h5 41.Rc5 Kf6 42.Bc8+-) 41.Rc5 (better 41.Be4!? g4+-) 41...e3 42.fe3 Kf6 43.Re5 fe3 44.Re3 g4 45.Re1 Kg5 46.g3 h5 47.Kg2 h4 48.gh4 Kh4 (48...Kh6 49.d5 Kh7 50.d6 Kg6 51.d7 g3 52.d8Q gh2 53.Qg5 Kh7 54.Re7 Kh8 55.Qg7) 49.d5 (49.Re5 g3 50.hg3 Kg4 51.Bf3) 49...Kg5 (49...Kh5 50.d6 Kh6 51.d7 Kg5 52.d8Q Kg6 53.Re6 Kh5 54.Qd5 Kh4 55.Rh6) 50.d6 Kg6 (50...g3 51.d7 Kf6 52.d8Q Kf7 53.Qd6 gh2 54.Re7 Kg8 55.Qd8) 51.d7 Kg5 52.d8Q Kf4 (52...Kg6 53.Re6 Kh5 54.Qd5 Kh4 55.Rh6) 53.Qe8 (53.Qf6) 53...g3 (53...Kg5 54.Qe6 Kh5 55.Re5 Kh4 56.Qf6) 54.Qf8 (54.Qe5 Kg4 55.Re4) 54...Kg5 55.Qg8 (55.Re5 Kg4 56.Qb4) 55...Kh6 (55...Kf4 56.h4 Kf5 57.Qg5) 56.Re4 (56.Rh1 gh2 57.Rh2) 56…Kh5 (56...Kh5 57.hg3 Kh6 58.Rh4). NoLuckOnlySkill (2110) - NeophyteBR (2195), Rated Blitz game, lichess.org, 2016.

7.Be2 a5 8.b5 0-0 9.c5 e4 10.cd6 Qd6 11.Ng5.

6.d4 e4

7.Nfd2 d5 8.a3 Be7 9.Nc3 0-0 10.Be2 Be6 11.0-0 Na6 12.cd5 Nd5 13.Nc4 Nac7 14.Ne5 Bf6 15.Na4 Qe8 16.Nc5 Be5 17.de5 (worse is 17.Ne6 Bh2 (worse is 17...Ne6 18.de5 f4 19.Bc4+=) 18.Kh2 Qe6–/+) 17...b6 18.Ne6 Qe6 19.Rc1 Rac8 20.Qa4 Nb5 21.Bb5 cb5 22.Qb5 f4 23.ef4 Nf4 24.g3 Qg4 25.Rfe1?? (25.f3 ef3 26.Rc8 Rc8 27.Kh1–/+) 25...Nh3 26.Kh1 0–1. polynesia46 – esamazegyes, internet, 2013.

7.Nfd2 d5 8.Qb3 Bd6 9.g3 0-0 10.Nc3 Be6 11.Be2 Nbd7 12.b5 g5 Black plans f4 (12...Rb8 13.0-0=) 13.h4 h6 (better 13...g4!?=) 14.hg5+/- hg5 15.g4 f4 (15...a5 16.gf5 Bf5 17.cd5+/-) 16.cd5+- cd5 17.Nde4! (17.Nde4 Ne4 18.Ne4+-) 1-0. PEREIRA – Onebefour, internet, 2020.

7.Nfd2 d5 8.Qb3 Bd6=+ 9.g3 (9.Nc3 Be6=+) 9...Be6 10.Nc3 Qe7 (10...0-0 11.Be2–/+) 11.b5 Bb4 12.a4 Nbd7 13.Ba3 Ba3 14.Qa3 Qa3 15.Ra3 Ke7 16.c5 Rhc8 17.Be2 b6 18.cb6 ab6=+ 19.0-0 c5 20.Nb3 cd4 21.Nd4 Ne5 22.Rfa1 Nfd7 23.Rd1 Rc5 24.Na2 Nc4–/+ 25.Bc4 Rc4 26.Nb4=+ Ne5 27.Nbc6 Nc6=+ 28.Nc6 Kd6 29.Rda1 Bd7 30.Nd4 Rb4 31.h4 g6 32.R3a2 h6 33.Nc2 Rc4=+ 34.Nd4 Rb4 35.Nc2 Rc4 (35...Rb3 36.Nd4 Rd3 37.a5=) ½–½. Lebel,Patrick (2270) – Barlocco,Carlo, Imperia op, 1989.

7.Nfd2 d5 8.c5 Be7 =.

7.Nfd2 d5 8.cd5 cd5 9.Nc3 Bb4 10.Qa4 Nc6 11.Bb5 Bc3 (11...Qd6 12.Bc6 bc6 13.a3 Bc3 14.Bc3+=) 12.Bc3 (12.Bc6 bc6 13.Qc6 Bd7 14.Qc3 Rc8=) 12...Bd7–/+ 13.0-0 0-0 14.Rac1 a6 15.Be2 Qe7 16.Qb3 b5 17.Bb2 Na5 (17...Qe6 18.Ba3 Rfc8 19.Bc5–/+) 18.Qc3 Nc4 (better is 18...Qd8!?–/+) 19.Nc4+= dc4 20.Ba3 Qf7 21.Bf8 Rf8 22.Qa5 Qg6 (better is 22...Qe6!?=) 23.Qa6 f4 24.ef4 Bh3 25.g3 Nd5? (better is 25...Bf1 26.Bf1 Qh5+/-) 26.Qb5+- Nf4 27.Bc4 Kh8 28.Rfe1 Nd3 29.Bd3 ed3 30.Re3 d2 (30...Qf7 31.Qb2 Bf5 32.Rce1+-) 31.Rd1 Rc8 32.d5 h5 (32...Qh5 33.f3+-) 33.Qd3 Qg4 (33...Rc1 34.Qd2 (34.Qg6?? Rd1 35.Re1 de1Q) 34...Rc2 35.Qb4+-) 34.Qd2 Qa4 (34...h4 35.d6 Qh5 36.Re4 hg3 37.hg3+-) 35.Rde1 Rc2 (35...Qd7+-) 36.Re8 Kh7 (36...Qe8 37.Re8 Kh7 38.Qc2 Kh6 39.f4 g6 40.Qc3 g5 41.Qf6 Kh7 42.Rh8) 37.Qd3 g6 (37...Qe4 38.Qe4 Kh6 39.Rh8 Kg5 40.f4 Kg4 41.Qe6 Kf3 42.Re3) 38.R8e7 Kg8 (38...Kh6 39.Qe3 Qf4 40.Qf4 g5 41.Qf6) 39.Qg6 1–0. bihyjt – ttban, internet, 2017.

7.Nfd2 Be7 8.Nc3 0-0 9.Be2 Be6 10.0-0 d5 11.Qb3 Kh8 12.f3 dc4 13.Bc4 (13.Nc4? b5–+) 13...Bc4 14.Nc4 Nd5 15.a3 b5 16.Ne5 Bf6 (16...Ne3!? 17.Rfe1 A) 17...Qd4? 18.Ne4 Qd8 19.Qe3 fe4 20.Ng6 Kg8 21.Rad1 hg6 22.Rd8 Bd8 23.Qe4+- (23.fe4?! a5+-); B) 17...Nc2 18.Qc2 Qd4 19.Kh1 Qe5 20.Ne4 Qc7+/-) 17.Nd5 (17.Nc6!? Nc6 18.Nd5 ef3 19.Rf3+/-) 17...cd5 18.f4 Nd7 (18...Na6 19.Rfc1 Nc7 20.Rc6+=) 19.Rac1 (19.Qd5 Ne5 20.Qd8 Nf3 21.gf3 Rfd8 22.fe4 fe4+-) 19...Ne5 (better is 19...Nb6!?=) 20.de5+/- (20.fe5?! Be7=) 20...Be7 21.Rfd1 Rc8 22.Rc8 Qc8 23.Rd5 Rd8 24.Qd1 Rd5 25.Qd5 h6 26.h3?? (better is 26.Qb5 Qc2 27.Bd4 Qc1 28.Kf2+-) 26...Qc2= 27.Qd4 Qd3? (better is 27...Bh4!? 28.Qc3 Bf2 29.Kf1 Qc3 30.Bc3 Be3–/+) 28.Qd3 (better is 28.e6!? Qd4 29.ed4+- (29.Bd4?! Kg8+/-)) 28...ed3+/- 29.Bc3 Kg8 (better is 29...Bh4!?+/-) 30.Kf2+- Kf7 31.Ke1 Ke6 32.Kd2 Kd5 33.Kd3 g5? (33...h5+-) 34.g4 fg4 (34...Ke6 35.Bd4 gf4 36.ef4+-) 35.hg4 gf4 36.ef4 Bh4 37.f5 Bg3 (37...Bg3 38.e6 Kd6+-). barborski – hakigashi (1640), internet, 2013.

7.Nfd2 Be7 8.Be2 0-0 9.0-0 Qe8 10.g3 Nbd7 11.Nc3 Qg6 12.Qb3 Kh8 13.Rac1 Qh6 14.a4 Re8 15.d5 Nf8 16.dc6 bc6 17.Rfd1 Ng6 18.Nf1 Ne5 19.Kg2 Rf8 20.Na2 Be6 21.Be5 de5 22.Qc3 f4 23.ef4 ef4 24.gf4 Qf4 25.Qg3 Qf5 (better is 25...Qh6 26.Kh1 Nh5 27.Bh5 Qh5–+) 26.Ne3+= Qg6 27.Qg6 hg6 28.Rd2 Nh5 29.Bh5 gh5 30.Rcd1 Rf3 31.Nf1 (better is 31.Nc3!? Bh3 32.Kg1 Bb4 33.Rd8 Rd8 34.Rd8 Kh7 35.Ne4=) 31...Raf8 32.Ng3 Ra3 33.Nh5? (better is 33.Ne4 Bc4 34.Rd7–/+) 33...Bh3 34.Kh1 Bg4 (34...Ra4?! 35.Ng3 Bb4 36.Nb4 Rb4 37.Ne4 Rc4 38.Ng5–/+) 35.Ng3 (35.Re1 Bh5 36.Kg1 Ra4 37.Re4 Bb4–+) 35...Bd1 36.Rd1 Ra2 37.Ne4 Bb4 38.Kg2 Rf4 39.Ng3 (39.Rd8 Kh7 40.Re8–+) 39...Rff2 40.Kh3 Rh2 41.Kg4 Rag2 42.Rd8 Kh7 43.Kf3 Bc5 (43...Bc5 44.Ne4 Bg1–+) 0–1. bluepiramid2 (1625) – inznorek (1665), internet, 2012.

5.Nf3 Nc6

6.a3 a6 7.Be2 Be7 8.d3 0-0 9.0-0 e4 10.de4 fe4 11.Nd4 Nd4 12.Bd4 c5 13.bc5 dc5 14.Bb2 Bd6 15.Nc3 Qc7 16.g3 Bh3 17.Re1 Rad8 18.Qc2 Ng4 (18...Bf5 19.Red1+=) 19.Bg4 (19.Ne4!? Qc6 20.f4+/-) 19...Bg4= 20.Qe4 Bf3 21.Qc2?? (21.Qe6!? Kh8 22.Nd5=) 21...Qd7 (better is 21...Qc8 22.Qd3 Bg3–+) 22.Ne2?? (better is 22.Qd3+=) 22...Qh3 23.Nf4 Bf4 24.ef4 (24.Qh7 Kh7 25.ef4 Qg2) 24…Qg2 0–1. Fournier,Frederic – diestefano, Active, 2008.

6.a3 h6 7.Be2 g5 8.d3 Bg7 9.Qc2 0-0 10.0-0 f4 11.e4 g4 12.Nh4 Kh7 13.Nf5 Bf5=+ 14.d4?? Be4–+ (14...Be4 15.Bd3 Bd3 16.Qd3 e4–+) 0–1. uno (1790) – onestream (2125), ICC, 2003.

6.Qb3 Be6 7.d4 ed4 8.ed4 Ne7 9.d5 Bf7 10.Bd3 a6 11.a4 Ne4 12.Nbd2 Nd2 13.Nd2 Bg6 14.0-0 Nc8 15.Rfe1 Be7 16.Bg7 Kf7 17.Bh8 Qh8 18.Nf3 Bf6 19.Rad1 Ne7 20.Re6 Qc8 21.Rde1 Qd7 22.c5 Re8 23.c6 bc6 24.dc6 Qc6 25.Re7 Kf8 26.Re8 Be8 27.Bf5 Bf7 28.Be6 Be6 29.Qe6 Kg7 30.Qe8 Qc3 31.Qd7 Kg6 32.Qg4 Kf7 33.h4 c5 34.b5 ab5 35.ab5 Qa5 36.Re6 Qa1 37.Kh2 Be5 38.Ne5 de5 39.Qf5 Kg7 40.Qf6 Kg8 41.Re8 1–0. ferminkatcho (1690) – bagdad07 (1610), internet, 2013.

6.b5 Nb8 7.d4 e4 8.Ng5 h6 9.Nh3 Be7 (9...g5 10.Be2=) 10.Nf4 0-0 11.Ng6 Re8 12.Ne7 Qe7 13.Nd2 b6 (13...a6 14.ba6 Na6 15.Be2=) 14.a4 Nbd7 15.a5 Bb7 16.a6 Bc8 17.Qb3 Kh8 (17...Nb8 18.d5+/-) 18.Be2 Qf7 19.g3 (19.0-0 Qg6+/-) 19...Nf8 20.h4 (20.0-0 Ne6+=) 20...Be6 21.d5 Bd7 22.Qc3 Ng6 23.Nb3 Ne5 24.Nd4 Nfg4 (24...Kg8 25.Rf1+=) 25.Rf1 (25.Rc1 Kg8+=) 25...Qg6 26.0-0-0 Re7 27.Kb1 Rf8 28.Ka2 Nf6 29.Kb3 Qe8 30.Nc2 Bc8 31.Qb4 (31.Ka2 Qg6+=) 31...Nfd7= 32.Be5 de5 33.d6 (33.Ka2!?=) 33...cd6 34.Qd6 Nc5 35.Kb4 (better 35.Kc3!? Bd7 36.Kb2=+) 35...Rd7-/+ 36.Qc6 Rff7?? (36...f4 37.gf4 ef4 38.ef4 Rf4 39.Rd7 Bd7 40.Qd6-/+) 37.Rd5?? (better 37.Bh5 Qg8 38.Bf7 Rf7 39.f3+=) 37...Qf8 (37...Rf6 38.Qa8-/+) 38.Kc3=+ Rc7 (38...Rd5 39.Qd5 f4 40.Qe5=+) 39.Qa8 (better 39.Qd6 Rce7 40.Re5 Re5 41.Qe5=) 39...Qe7-+ 40.Bh5? (better 40.Rdd1 f4 41.gf4 ef4 42.ef4 Rf4 43.Qd5-/+) 40...Rf8 41.Rfd1 (41.Nb4 Nd3! 42.Rd3 ed3-+) 41...Bd7 (41...Nd3 42.R5d3 ed3 43.Kd3-+) 42.Rd7 (42.Rc5 Qc5 43.Qd5 Bb5 44.Qc5 Rc5 45.Na3 Ba6 46.Kb4-+) 42...Rd7 (better 42...Nd7 43.Qd5 Nf6-+) 43.Rd7 Nd7 (43...Ra8?? 44.Re7 Na4 45.Kb4+-) 44.Qa7 Qd6 45.Be2 Nc5 46.Nb4 Rd8 (46...Na4 47.Kb3 Qd2 48.Ka4 Qe2 49.Qb6 A) 49...Qf2 50.Qd6 Rg8 51.b6 (51.Qe5?! Qe3 52.c5 Qe1=) 51...Qe3 52.c5 Qg3 53.b7+-; B) 49...Qd1 50.Ka3 Qc1 51.Kb3 Qf1=+) 47.Nd5=+ The isolani on b6 becomes a target 47...Nd3?? (better 47...Rd7 48.Qa8 Kh7=) 48.Bd3?? (better 48.Qe7 Qe7 49.Ne7+-) 48...ed3 (better 48...Qa3 49.Kd2 ed3-+) 49.Qb6?? (better 49.Kd3 Qa3 50.Kc2 Qa2 51.Kc3 Qf2 52.Qe7-/+) 49...Qa3 50.Kd2 e4 (50...Qb2 51.Kd1 Qe2 52.Kc1 Qc2) 51.Qd8+- Kh7 52.Nc3?? (52.Nf6 gf6 53.Qd7 (53.Qf6 Qa2 54.Kc3 Qa1 55.Kb3 Qf6 56.a7 Qa1 57.Kb4 d2 58.b6 d1Q 59.a8Q Qd6 60.c5 Qb2 61.Ka4 Qd1 62.Ka5 Qda1) 53...Kg6 54.h5 Kg5 55.Qg7 Kh5 56.Qf7 Kg5 57.Qg8 Kh5 58.Qe8 Kg5 59.Qg8 Kh5 60.Qf7 Kg5 61.Qg7 Kh5 62.Qf7=) 52...Qb2= 53.Kd1?? (better 53.Ke1 Qc1 54.Nd1=) 53...Qc2 (53...Qc3 54.Qh8 Kh8 55.h5 Qc2 56.Ke1 Qe2) 54.Ke1= Qc3 (54...Qc1 55.Nd1 Qc2 56.Nc3 Qc1 57.Nd1=) 55.Kf1 d2 (better 55...Qc1 56.Kg2 Qd1=) 56.Kg2-+ Qc1 (better 56...Qd3 57.Qf8 d1Q 58.Qf5 Kg8 59.Qc8 Kf7 60.Qf5 Ke7 61.Qe5 Kd8 62.Qb8 Kd7 63.Qb7 Ke6 64.Qc8 Qd7-+) 57.Qd7?? (better 57.a7 d1Q 58.Qd1 Qd1 59.a8Q Qf3 60.Kg1 Qd1 61.Kh2=) 57...d1Q-+ 58.Qf5 Kg8 (58...Kg8 59.Qe6 Kf8 60.Qf5 Ke7 61.Qe4 Kf8 62.Qf5 Ke8 63.Qe4 Kf7 64.Qf5 Kg8 65.Qc8 Kh7 66.Qf5 g6 67.Qf7 Kh8 68.Qf8 Kh7 69.Qf7 Kh8 70.Qf8 Kh7 71.Qf7=). zembelek (2005) - ruter (2170), Rated Blitz game, lichess.org, 2014.

6.d4 e4 7.b5 Ne7 8.Nfd2 c6 9.Be2 d5 10.0-0 Qc7 11.bc6 b6 12.cd5 Ned5 13.Qa4 Bd6 14.g3 0-0 15.Nc4 Bb4 16.a3 Be7 17.Ne5 Kh8 18.Nc3+/- Nc3 19.Bc3 Be6 20.Bb4 a5 21.Be7 Qe7 22.Qb5 Qa7 23.Bc4 Bc4 24.Nc4 Rab8 25.Qf5 Qe7 26.Rab1 g6 27.Qb5 Ne8 28.Nb6 Rf5 29.Nd5 Qd8 30.Qb8 Qd5 31.c7 (31.c7 Qg8 32.c8Q+-) 1–0. Fischer,Detlev – Bauer,Hans Jochen, corr FRG–ch I2124, 1983.

6.b5 Ne7

7.d4 e4 8.Nfd2 d5 9.Nc3 c6 10.a4 Ng6 11.Be2 Be7 12.a5 0-0 13.Qb3 f4 14.cd5+= fe3? 15.dc6+- Kh8 16.fe3 bc6 17.bc6 Qc7 18.Nce4 Rb8+/- 19.Qc2 Bf5 20.Bd3 Nd5= 21.Ke2 Ne3 22.Ke3 Qf4 23.Ke2 Qg4 24.Ke3?? Bg5 25.Ng5 Qg5 26.Ke2 Nf4 27.Kd1 Nd3 28.Nf3 Qe3 29.Qd2 Nb2 30.Kc1 Nd3 31.Kd1 Nf2 32.Kc1 Qa3! (32...Qa3 33.Ra3 Rb1#) 0–1. Mostosi,H – Stroemberg,Ingmar, corr FIN–CHE/23, 1973.

7.Be2 Be6 8.0-0 Qc8 9.d4 e4 10.Nfd2 c6 11.a4 h5 12.Qb3 h4 13.Nc3 g5 14.f4 gf4 15.ef4 Ng6 16.Nd1 Bh6 17.d5 Nf4 18.Bf6 Ne2 19.Kf2 Nf4 20.Bh8 Nd3 21.Kg1 cd5 22.cd5 Qc5 23.Kh1 Bd5 24.Qc3 Qb6 25.Bd4 Qd8 26.Rf5 Be6 27.Rf6 Bd2 28.Qd2 Kd7 29.Ne3 1–0. carocan (1810) – rovinjcro (1690), internet, 2013.

7.Be2 g6 8.Qb3 Bg7 9.Nc3 h6 10.c5 Ne4 11.Na4 dc5 12.d3+= Nf6 13.Ne5+/- Qd5 14.Qc2 Qg2 15.Bf3 Qh3 16.0-0-0 Qh4 17.Rhg1 Qb4? 18.Ng6+- Rg8 19.Ne7 Ke7 20.Nc5 Kf7? 21.a3 Qb5 22.Bf6 Kf6 23.Bd5 Re8 24.Qc3 Re5 25.f4 (25.f4 Qc5 26.fe5 Ke7 27.Qc5 Kd8 28.Rg7 Bd7 29.Qe7 Kc8 30.Qd7 Kb8 31.Qc7#) 1–0. marekt – marnzell, ChessWorld.net, 2010.

7.Be2 g6 8.Nc3 Bg7 9.0-0 0-0 10.Qb3 Be6 11.d4 e4 12.Ng5 Qc8 13.d5 Bf7 14.Qc2 Qd7.

7.Be2 g6 8.Nc3 Bg7 9.Qa4 0-0 10.0-0 h6 11.c5 Be6 12.Bc4 Qd7 13.c6 bc6 14.bc6 Qc8.

7.Be2 g6 8.Nc3 Bg7 9.Qb3 h6 10.c5 Ne4 11.cd6+= cd6 12.d4 Nc3 13.Bc3 e4 14.Nd2 d5 15.f3 ef3 16.Bf3 0-0 17.0-0 Kh7 18.g3 Be6 19.Rac1 Ng8 20.Rc2 Nf6= 21.Rfc1 Rf7 22.Bb4 Qe8 23.a4 Rd8 24.Qa3 g5 25.Bd6 Rfd7 26.Bc7 Rc8+= 27.a5 Ne4 28.Ne4 fe4 29.Be2+= Bh3 30.Qb3 Qe6 31.b6 Rf8 32.Qb4 a6= 33.Qe1 Rdf7 34.g4 Bg4–/+ 35.Ba6? ba6–+ 36.h3 Bh3 37.Kh2 Bf1 38.Qg3 Rf3 39.Rf1 Rg3 40.Bg3 Rf1 41.b7 Qg4 (41...Qg4 42.b8Q Qh5 43.Bh4 Qh4 44.Kg2 Qh1 45.Kg3 Qf3 46.Kh2 Rh1#) 0–1. Poley,Vladimir – Topalov,Veselin, Politiken Cup (7), 1991. (=1.Nf3 f5 2.b4 d6 3.Bb2 e5 4.e3 Nf6 5.c4 Nc6 6.b5 Ne7)

7.Be2 Ng6 8.0-0 Be7 9.d4 e4 10.Ng5 0-0 11.Nc3 c6 12.d5+= c5 13.a4 Ne5 14.Nb1 Neg4 15.Bg4 Ng4= 16.Ne6 Be6 17.de6 Bf6 18.Qd5 Qe7 19.Ra2 Bb2 20.Rb2 Ne5 21.Rd2 Rad8 22.Rfd1 Rfe8 23.Nc3 Qe6–/+ 24.Qb7 Nc4 25.Rc2 Rd7 26.Qa6 Nb6 27.a5 Qb3 28.Rdc1 Nc4=+ 29.Ne4 Ne3 30.Rc3= Qe6 31.Nc5+/- dc5 32.Qe6 Re6 33.fe3 c4 34.Rc4 Re3 35.Rc8 Kf7+= 36.b6 ab6 37.ab6 Rb3 38.R8c7 Ke7 39.Rd7 Kd7 40.Rc7 Kd8 41.Rg7+- Rb6 42.Rh7 Rb1 43.Kf2 Rb2 44.Kf3 Ke8 45.g3 Kf8 46.h4 Rb1 47.Rh5 Rb3 48.Kf4 Kg7 49.Rf5 Rb4 50.Kg5 Rb3 51.g4 1–0. Bonetti,Shane – reptile, ICC, 2002.

5.Nf3 Nbd7

6.Qb3 Be7 7.d4 e4 8.Ng5 Nb6 9.h4 h6 10.Nh3 0-0 11.Nf4 Kh7 12.Be2 c6 13.Nd2 Bd7 14.f3 ef3 15.gf3 d5 16.c5 Nc8 17.Bd3 Kh8 18.Ng6 Kg8 19.Nf8 Qf8 20.0-0-0 b6 21.e4 fe4 22.fe4 Be6 23.e5 Ng4 24.Rdf1 Qe8 25.h5 Ne3 26.Bg6 Qd7 27.Qe3 bc5 28.bc5 a5 29.Qf3 Na7 30.Bf7 Kh8 31.Be6 Qe6 32.Qf7 Qf7 33.Rf7 Bf8 34.a4 Kg8 35.Rhf1 g5 36.hg6 h5 37.Nf3 Bh6 38.Kc2 Nc8 39.Nh4 Ra7 40.Nf5 Bf8 41.Ra7 Na7 42.g7 Bg7 43.Rg1 Kf8 44.Rg7 Nc8 45.Rh7 Kg8 46.Rh5 Na7 47.Bc3 Nc8 48.Ba5 Kf7 49.Bc7 Kg6 50.Rh8 Kf5 51.Rc8 Ke4 52.Bd6 Kd4 53.Rc6 Kc4 54.Rc7 1–0. ferminkatcho (1650) – hamdija1948 (1755), internet, 2014.

6.d3 a5 7.b5=.

6.d3 c5 7.b5 (7.bc5 Nc5 8.d4 e4=) 7...b6 (7...a6 8.Nc3=) 8.Be2+= Bb7 9.0-0 Be7 (9...a6 10.Nc3+=) 10.Nbd2. Goldmund,Heike – Smith,Levi, FICGS, 2015.

6.d3 Be7 7.Be2=.

6.Be2 Be7 7.0-0 0-0 8.d4 e4 9.Nfd2 c6 10.a4 Qe8 11.Nc3 Qg6 12.f3 d5 13.fe4 fe4 14.b5? Bd6 15.bc6?? bc6 16.c5 Bc7=+ 17.Rf2 Qh6 18.Nf1 Rf7 19.Rf5 Nf8 20.Rf2 Ng6 21.Ng3? Qe3 22.Qc1 Bf4 23.Nf1 Qd4 24.Nd1 Qf2! 25.Nf2 Bc1 26.Rc1 Nf4 27.Ng3 Rb8 28.Rc2 Ne2 29.Re2 Ba6 30.Bf6 Rf6 31.Re1 Rb2 (31...Rb2 32.Ng4 Rf4–+) 0–1. Trkn – jgivens2, itsyourturn.com, 2000.

6.Be2 h6 7.Nc3 Be7 8.Qc2 0-0 9.Qf5 e4 10.Ne4 Ne5 11.Nf6 Rf6 12.Qc2 Nf3 13.Bf3 Bf5 14.d3 Rg6 15.Bb7 Rb8 16.Bd5 Kh8 17.b5 a6 18.a4 Bf6 19.Bf6 Qf6 20.0-0 Qg5 21.f4 Qh4 22.Rf3 Bh3 23.g3 Qh5 24.e4 Bg4 25.Rf2 Bf3 26.Bf7 Rg3 27.Kf1 Qh3 28.Ke1 Rg1 29.Kd2 Rg2 30.Kc3 ab5 31.Rg2 Bg2 32.ab5 Qd7 33.Bd5 Bh3 34.Rg1 Qe7 35.Qf2 Qf6 36.Kc2 Be6 37.Qg3 Bd5 38.ed5 Rd8 39.Qg6 Qf8 40.f5 Re8 41.Kb3 Re3 42.f6 Rd3 43.Qd3 Qf7 44.fg7 Qg7 45.Rg7 Kg7 46.Qg3 Kf6 47.Qh4 Kf7 48.Qh6 1–0. brother – danash3, internet, 2013.

6.d4 e4

7.Nfd2 c6 8.Nc3 Be7 9.Be2 0-0 10.0-0 a5 11.b5+= c5 12.Rb1 cd4 13.ed4 b6 14.Re1 Bb7 15.Qb3 Kh8 16.Ba3 Rc8= 17.h3 Qe8 18.Kh1 g5 19.Kg1 Qg6 20.Kf1 h5 21.Qc2 g4= 22.hg4 hg4 23.Bd1 Kg7 24.Ne2 Rh8 25.Ng1 g3 26.f4 Rh1 27.Qb3–/+ Rch8 28.Ndf3? ef3 29.Re7 Kf8 30.Bf3 Ke7 31.Bb7–/+ Ne4 32.Re1 Qh5 33.Qe3 Ndf6 34.Be4 Ne4 35.d5 Kd7 36.Bc1 Kc7 37.Qd4 Rh2 38.Be3 Qg6?? 39.Qb6+/- Kd7 40.Nf3 Rh1+/- 41.Bg1 Rc8?? 42.Ne5!+- de5 43.Qg6 Rc4 44.Qf5 Kd6 45.fe5 Kd5 46.Rd1 (46.Rd1 Nd2 47.Rd2 Rd4 48.Rd4 Kc5 49.Qc8 Kb6 50.Qc6 Ka7 51.Qc7 Ka8 52.Rd8#) 1–0. marekt – NN, GameColony.com, 2002.

7.Nfd2 d5 8.Qb3 c6 9.b5 (9.Nc3 dc4 10.Bc4 Qe7+=) 9...Be7 10.Be2 0-0 (10...a6 11.bc6 bc6 12.Ba3=) 11.Nc3+= Nb6 12.c5 Nbd7 13.0-0 Kh8 14.Qa4 a6? (better 14...Qc7=) 15.bc6+- bc6 16.Qc6 Rb8 17.Rab1 Bb7 18.Qe6 Ng4 (18...Rc8 19.Qf5 Qc7+-) 19.c6+- (19.Bg4?! Rf6 20.Qf5 Rf5 21.Bf5 Bh4+-) 19...Rf6?? (19...Nb6 20.cb7 Rf6 21.Qf6 A) worse 21...gf6 22.h3 (22.Ba6?! Qd6 23.g3 Nd7+=) 22...Nh6 23.Ba6+-; B) 21...Nf6 22.Ba6 Nbd7=) 20.Qd7+- (20.Qd7 Rc6 21.Qf5+-) 1–0. GuestVZXZ – GuestQLBJ, freechess.org, 2018.

7.Nfd2 d5 8.c5 c6 9.a4 Be7 10.Nc3 Nf8 11.Qb3 Ne6 12.f4 (12.Be2 f4= A) 13.a5 0-0 (13...Bd7 14.b5 0-0 15.a6 ba6 16.Ra6 Nc7 17.Rc6) 14.0-0 Bd7 15.a6 b6 16.Rab1 Rb8 17.Qc2; B) 13.b5 Bd7 14.0-0 0-0 15.a5 Rb8 16.Qa2 Qe8 17.a6; C) 13.0-0 0-0 (13...Bd7 14.b5 0-0 15.a5 a6 16.bc6 bc6 17.Ra4; 13...Rb8 14.b5 Bd7 15.a5 0-0 16.h3 a6 17.bc6) 14.b5 Qa5 15.bc6 bc6 16.Rab1 Bd7 17.Ba1; 12.h3 A) 12...f4 13.Be2 0-0 (13...Qc7 14.0-0 0-0 15.Rae1 fe3 16.fe3 Qg3 17.Bd1) 14.0-0 fe3 15.fe3 Qc7 16.a5 Qg3 17.Nd1; B) 12...0-0 13.Be2 f4 (13...Qc7 14.g3 Bd7 15.a5 a6 16.Na4 Ng5 17.Nb6) 14.0-0 Qc7 15.b5 fe3 16.fe3 Qg3 17.Nd1) 12...ef3 13.gf3 (13.Nf3 Ng4 14.Bc1 0-0 15.Bd3 Qc7 16.Ne2 b6 17.cb6) 13...f4 14.Ne2 (14.Nd1 Nh5 15.e4 de4 16.Ne4 a5 17.Bc4) 14...fe3 15.Qe3 Nh5 (15...0-0 16.Bg2 Nh5 17.0-0-0) 16.Qe5 Bh4 (16...Bg5 17.Qd6–/+ (17.Rg1=+)) 17.Kd1 Qg5 18.Qg5 (18.Bh3 Qe5 19.de5 Rf8=) 18...Ng5 19.f4 Nh3 (19...Ne6 20.Nf3 Be7 21.b5=+) 20.Bh3= Bh3 21.Ra3 Bg4 22.Nf3 Bf3 23.Rf3 Bf6 24.Rh3 g6 25.f5 Kf7 26.fg6 hg6 27.Rf1 Rae8 28.Bc1 Kg7 29.Rhf3 Rhf8 30.Ng3 Ng3 31.hg3 Be7 (31...g5 32.Rf5=) 32.Bf4+= g5 33.Be5 Kg6 34.Rf8 Rf8 35.Rf8 Bf8 36.g4 Be7 37.Kc2 Kf7 38.b5 Ke8 39.Bb8 a6 ½–½. De Visser,Arno – van der Veen, 1984.

7.Nfd2 Be7 8.Be2 a6 9.Nc3 0-0 10.c5 d5 11.0-0 c6 12.Qc2 a5 13.b5 Qc7 14.b6 Qd8 15.Qa4 g5 16.Nb3 f4 17.Bc1 f3 18.gf3 ef3 19.Bf3 g4 20.Bg2 Nh5 21.Na5 Rf7?? (better is 21...Qe8+-) 22.Nc6 bc6 (22...Ra4 23.Nd8 Bd8 24.Na4+-) 23.Qa8 Ndf6 24.Rb1 Qd7 (24...Ng7+-) 25.b7 Rf8 26.b8Q Qf5 27.Qb3 (better is 27.Qc6 Bd7 28.Nd5 Rb8 (28...Bc6?? 29.Ne7 Kf7 30.Qf8 Kf8 31.Nf5+-) 29.Ne7 Kf7 30.Nf5 Rb1 31.Nd6 Ke7+-) 27...Be6 28.Qc6 Ne4 29.Be4 de4 30.Qbe6 Qe6 31.Qe6 Rf7 32.Rb8 Kg7 33.Ne4 Nf6 34.Nf6 Bf6 (34...Kg6 35.Nd7 Kg7 36.Qg4 Kh6 37.e4 Rf4 38.Bf4 Bg5 39.Qg5) 35.Qg4 Kh6 36.e4 Bg5 37.Qg5 1–0. Kortis – Belle, internet, 2016.

7.Ng5 Nb6 8.Nc3 h6 9.Nh3 Be7 10.c5+= dc5 11.bc5 Nbd5 12.Nd5 Nd5 13.Bc4 Be6 14.Qh5 Kd7 15.Bd5 Bd5 16.Nf4 (16.Nf4 Kc6 17.Qf5+-) 1–0. pcmvr (2225) – fhupp (2225), net–chess.com, 2006.

5.Nf3 e4

6.Nd4 b6 7.a3 c5 8.bc5 bc5 9.Nb5 a6 (9...Be7 10.d3 Be6 11.Nd2=) 10.N5c3 (10.Bf6!? Qf6 11.Nc7 Kf7 12.Nc3+=) 10...Be7 11.d3 0-0 12.de4 fe4 13.Nd5 (better is 13.Ne4 Bb7 14.Ng5+=) 13...Nd5?? (13...Be6=) 14.cd5 (better is 14.Qd5 Kh8 15.Qa8+-) 14...Bb7 (better is 14...Bh4!? 15.g3 Bf6+=) 15.Bc4 Bh4 16.g3 (16.0-0!?=) 16...Bf6+= 17.Qc2 Qd7 (17...Nd7 18.Nc3 Qe7 19.Rb1 Bc3 20.Bc3+=) 18.0-0 (18.Bf6 Rf6 19.Nc3 Qf5+/-) 18...Qf5 (18...Bb2 19.Qb2 Bc8 20.Nc3=) 19.Nd2 (better is 19.Bf6!? Rf6 20.Nc3+/-) 19...Bd5= 20.Bd5 Qd5 21.Bf6 Rf6 22.Ne4 Rh6 (22...Re6!? 23.f3 Nd7+=) 23.Rad1 Qh5 24.f4 Qg6?? (24...Nc6 25.Rd6 Rd6 26.Nd6+-) 25.Qd3 (better is 25.Rd6 Qh5 26.Rh6 Qh6 27.Ng5+-) 25...Qh5+/- 26.Rd2 Nc6 27.Qd6?? Rd6–+ 28.Rd6 Ne7 29.Rfd1 Nf5 30.R6d5 Qf3 31.Ng5?? Qe3–+ 32.Kg2 Qe2 33.Kh3 Qh5 34.Kg2 Ne3 (34...Ne3 35.Kg1 Nd1–+) 0–1. Fournier,Frederic (1770) – yollito, Active, 2006.

6.Nd4 d5 7.Nc3 Bb4?? (better 7...c6=) 8.Qa4+- Nc6 (8...Kf7 9.Qb4 Na6 10.Qa3+-) 9.Nc6 Qd7 (9...bc6 10.Qb4 a5+-) 10.Nb4 Qa4 11.Na4 0-0 (11...dc4 12.Bf6 gf6 13.Bc4+-) 12.Nd5 Nd5 13.cd5 Rd8 14.Rc1 Rd7 15.Bc4 Kh8 16.d3 a6 (16...Rb8 17.Bb3 ed3 18.Nc5 d2 19.Kd2+-) 17.Nc5 Rf7 (17...Re7 18.de4 fe4 19.Be2+-) 18.d6! Rf6 (18...cd6 19.Bf7) 19.d7 Bd7 20.Bf6 gf6 21.Nd7 Rd8 22.Be6 ed3 23.Rc7 d2 24.Ke2 d1Q 25.Rd1 Rd7 (25...a5 26.Nf6 Rd2 27.Kd2 b5 28.Rh7) 26.Rdd7 (26.Rdd7 b5 27.Rh7) 1-0. Pierre – Meckong, internet, 2020.

6.Nd4 c5

7.Nc2 b6 8.a4 Be7=+ 9.a5 Bb7 (9...ba5 10.ba5 Nc6 11.Bc3=+) 10.g3 (10.d4 0-0=) 10...Nbd7 (10...0-0 11.Bh3 Nfd7 12.f4-/+) 11.Bg2 (11.a6 Bc8=) 11...Ne5 (11...ba5 12.ba5 Rb8 13.Nba3-/+) 12.0-0 (12.Be5 de5 13.a6 Bc8=+) 12...Nd3 (12...Nc4 13.Bc3-/+) 13.Bc3 0-0 14.b5 White plans a6 (14.f3 d5 15.bc5 bc5 16.cd5-/+) 14...Kh8 (14...a6!?-/+) 15.a6=+ Bc8 16.Ne1 Ne5 (16...Ne1 17.Re1 d5 18.d3=) 17.Be5 (17.d3 Be6+=) 17...de5= 18.Nc3 (18.f3 ef3 19.Qf3 e4=) 18...Be6 19.Qe2 Qd7 20.Rd1 Rad8 21.f3 ef3 22.Nf3 e4 23.Ne5 (23.Ng5 Ng4 24.Ne6 Qe6=) 23...Qd6 (23...Qc7!? 24.Nc6 Rd3=+) 24.Nc6= Rd7 25.d4 (25.Rf4!?=) 25...ed3=+ 26.Rd3?? (better 26.Qa2=+) 26...Qd3-+ 27.Qd3 Rd3 28.Nd5 Bd5 (28...Nd5?! 29.cd5 Bd7 30.Ne7 Bb5 31.Rf5 Rf5 32.Nf5 Ba6 33.Be4-+) 29.cd5 Nd5 (better 29...Bd6 30.Rf5 c4-+) 30.Bd5 Rd5 31.Ne7 Re5 (31...Rd7!? 32.Nc6-+) 32.Nc6 Rf7?? (better 32...Re3 33.Na7 Rb3-+) 33.Ne5+- Re7 (33...Rc7 34.Rf5 Kg8 35.Nc6+-) 34.Rf5 g6 35.Rg5 (better 35.Nc6!? gf5 36.Ne7 c4+-) 35...Kg7 36.Kf2 (36.Nc6 Rd7+-) 36...h6 37.Rg6 Kh7 38.Kf3 (better 38.Rd6 Re5 39.Rd7 Kg6 40.Ra7+-) 38...Re5 39.Rc6 Re7 40.e4 Kg7 41.e5! Rf7 (41...Re5 42.Rc7 Double attack) 42.Ke4 Kf8 (42...Re7+-) 43.Rh6 Ke7 (43...Kg7 44.Rd6 Re7 45.Kf5 Rf7 46.Ke6+-) 44.Kd5 Rf2 (44...c4 45.Rc6 Rf2 46.Rc7 Kd8 47.Ra7+-) 45.Rh7 Kd8 46.Ra7 Rd2 47.Kc6 c4 48.Kb6 c3 49.Rc7 c2 (49...Rh2 50.Kb7 Ra2+-) 50.a7 Rd7 51.Rc2 (51.a8Q Ke7 52.Rd7 Kd7 53.Qc6 Ke7 54.Qf6 Ke8 55.e6 c1Q 56.Qf7 Kd8 57.Qd7) 51...Ke7 52.a8Q Ke6 (52...Rd8 53.Rc7 Ke6 54.Qc6 Ke5 55.Re7 Kd4 56.Qc5 Kd3 57.Re3 Kd2 58.Qc3 Kd1 59.Re1) 53.Rc6 (53.Qc6 Rd6 54.Qd6 Kf5 55.Rf2 Kg5 56.h3 Kh5 57.Rf5) 53...Ke5 (53...Kd5 54.Rd6 Kc4 55.Qe4 Kb3 56.Qe3 Ka2 57.Rd7 Ka1 58.Qf2 Kb1 59.Rd1) 54.Qe8 Kf5 (54...Re7 55.Qe7 Kd4 56.Rd6 Kc3 57.Qe3 Kc2 58.Rd2 Kb1 59.Qe1) 55.Qd7 (55.Qe6 Kg5 56.Qg6) 55...Ke4 56.Re6 Kf3 57.Qf7 (57.Qd5 Kg4 58.Qe4 Kg5 59.Qg6) 57…Kg2 ½-½. zembelek (2100) - King_killer (2065), Rated Blitz game, lichess.org, 2014.

7.Nc2 Be7 8.b5 0-0 9.d4 (9.Nc3 Nbd7 10.d4 Nb6 11.Be2 d5 12.cd5 Nfd5 13.Nd5) 9...a6 (9...Nbd7 10.Be2 Nb6 11.Nc3 d5 12.cd5 Nfd5 13.Nd5; 9...Qa5 10.Bc3 Qd8 11.Be2 Nbd7 12.0-0 a6 13.a4) 10.a4 Nbd7 11.Be2 Rf7 12.0-0 ab5 13.ab5.

7.Nc2 Be7 8.b5 a6 A) 9.a4 ab5 (9...0-0 10.d4 Nfd7 11.Be2 Bf6 12.0-0 b6 13.dc5; 9...Be6 10.d4 ab5 11.ab5 Ra1 12.Ba1 0-0 13.d5) 10.ab5 Ra1 11.Ba1 0-0 12.d4 Nbd7 13.Be2; B) 9.d4=+ ab5 10.cb5 Qa5 11.Bc3 Qa4 12.Bb2 Be6 13.Be2.

7.Nc2 Be7 8.b5 Be6 9.d4= 0-0 (9...a6 10.d5 Bd7 11.Be2= 0-0 12.a4 Ng4 13.0-0; 9...Bf7 10.Be2 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1) 10.Be2 (10.d5 Bf7= 11.Be2 a6 12.a4 Nfd7 13.Nc3) 10...Nbd7 (10...d5 11.dc5 Bc5 12.Nd4= Bd4 13.Qd4) 11.a4 (11.d5 Bf7= 12.0-0 a6 13.a4) 11...a5 (11...d5!?=+ 12.dc5 Bc5 13.Nd4) 12.d5= Bf7 13.Kd2 (13.0-0!?=) 13...Nb6 (13...Ne5 14.Kc1=+) 14.Kc3 (14.Kc1 Nfd7=+) 14...Nfd7 (14...Ng4 15.Bg4 fg4 16.Qe2=+) 15.Kb3 (15.Nd2 Bh4=+) 15...Bf6 16.Nc3 (16.Nd2 Ne5=+) 16...Bg6 (16...Qe7 17.Qd2–/+) 17.Ne1 (17.f3 ef3 18.gf3 Qe7=+) 17...Qe7 18.g3 (18.Rf1 Ne5–/+) 18...Rae8 (18...Ne5 19.Ng2–/+) 19.Ng2=+ Ne5 20.Nf4 Bf7 21.h4 Kh8 (21...Rb8 22.h5=+) 22.h5 h6 (22...Rb8 23.Qf1=+) 23.Qc2 Nbd7 (23...Kg8 24.Rad1=+) 24.Rag1 (24.Ka2 Kg8=+) 24...Bg5 (24...Ng4 25.Nd1=) 25.Nb1 (25.Nh3 Nf3 26.Bf3 ef3 27.Qf5 Bg8=) 25...Rg8 (25...Nb6 26.Ka2=) 26.Nd2 (26.Ka2 Bf6=) 26...Nf6 (26...Nf8 27.Nh3 Bf6 28.g4 fg4 29.Bg4 Ng4 30.Rg4 Bh5 31.Bf6 Qf6 32.Rf4+= (worse 32.Ne4 Qf3 33.Rh4 Qh1 34.Nd6 Qh2 35.Ne8 Be8–/+; worse 32.Re4 Bg6 33.Nf4 Bf5=+)) 27.Be5 (27.Nh3 Nh7= (worse 27...Bh5 28.Bh5 Nh5 29.Be5 de5 30.g4 fg4 31.Ng5 Qg5 32.Ne4+-)) 27...Qe5 (worse 27...de5 28.Nh3 Nh7 29.g4+-) 28.Qc3 (28.Nh3 Nh7+=) 28...b6 (28...Qc3!? 29.Kc3 Nd7=) 29.Qe5 Re5 30.Nh3 Ng4 (30...Nh7!?+=) 31.Ng5+- hg5 32.Bg4 fg4 33.Kc2 Kh7 34.Rh2 Be8 35.Kd1 (35.Rgh1 Kh6+-) 35…Rf8 ½–½. Kiviaho,Allan – Paredes Prats,Jose, corr FIN–ESP, 1970.

7.Nc2 Be7 8.d4 cb4 9.Nb4 0-0 10.Nc3 Kh8 11.Be2 a5 (11...Nbd7!?=) 12.Nbd5+= Nc6 13.a3 Re8 14.0-0 Bf8 15.Qc2 Be6?? (better is 15...Be7+/-) 16.Nf6+- Qf6 17.d5 Qg5 18.de6 Re6 19.Nd5 Rg6 20.Nf4 Rh6 21.Rab1 Qh4 22.h3 Ne5 23.Bd4 Be7 24.Rb7 Bg5 (24...Nc6 25.Bc3 Bf6+-) 25.g3 Bf4 26.gh4 (26.ef4?? Qh3 27.Rb8 Rb8 28.Bh5 Nf3 29.Bf3 Qh2; 26.gf4?? Qh3 27.Rb8 Rb8 28.Bh5 Nf3 29.Bf3 Qh2) 26...Rg6 27.Kh1 Bh6 28.Qb2 Re8 29.Be5 de5 30.Qe5! Rf8 (30...Re5 31.Rb8 Mate attack) 31.Rb8 Rgf6 32.Qd6! 1–0. Janek – Stephen, internet, 2016.

7.bc5 dc5 8.Nb3 Nc6 9.d4 ed3 10.Bd3 Nb4 11.Nc1 Be6 12.Na3 Nd3 13.Qd3 Qa5 14.Qc3 Qc3 15.Bc3 Ne4 16.Ne2 0-0-0 17.Be5 Bd6 18.Bd6 Nd6 19.Nf4 Bf7 20.Rc1 Rhe8 21.Ke2 g5 22.Nd3 Bh5–+ (22...Bh5 23.Kf1 Ne4–+) 0–1. De Visser,Arno – Secula,V, corr SOK–92–90, 1992.

7.Nc2 Nc6

8.a3 d5 9.d3 Be6 10.Nd2 cb4 11.ab4 ed3 12.Bd3 Bb4 13.0-0 Bd2 14.Qd2?? dc4–+ (15.Bf6 gf6–+ (15...Qd3?! 16.Qd3 cd3 17.Nd4–+; 15...Qf6?! 16.Be2–+)) 0–1. Incelli – de Visser,Arno, corr ICCF TT–4–90 SF, 1994.

8.a3 Ne5 9.d4+= ed3 10.Bd3 Be6 11.bc5 Nd3 12.Qd3 dc5 13.Qd8 Rd8 14.Bf6 gf6 15.Nd2 Rg8 16.g3 Bd6 17.0-0-0 Rg7 18.f4 Rgd7=+ 19.e4 fe4 20.Ne4 Be7 21.Rd7 Rd7 22.Re1 Kf7 23.Nd2 Rd3 24.Re3 Rd6 25.Rb3 b6=+ 26.Ne3 h5 27.Kc2 Bd7 28.Rd3= Rd4 29.Nf3 Rd3 30.Kd3 a6 31.Nd5 Bf5 32.Kc3 b5 33.Ne7 Ke7=+ 34.Nd2 Kd6 35.Nf1 Bh3 36.Ne3 Be6 37.cb5 ab5=+ 38.Kd3 Bh3 39.Kd2 Bd7 40.Kc3 Kc6 41.Kd3 Bg4 42.h4 Bf3 43.Nf5 Kd5 44.Ne3 Ke6 45.Kc3 Be4 46.Kd2 f5 47.Kc3 Bc6 48.Kc2 Bf3 49.Kb3 Bd5 ½–½. Van Rooijen,Peter (1700) – Zimmermann,Joerg (1690), TT–04.53 TSC, 2003.

8.a3 Be7 =.

8.b5 Ne5 9.d4 ed3 10.Bd3 Be6 11.Qe2 Be7 12.0-0 0-0 13.Nd2 Nd3 14.Qd3 d5 15.cd5 Qd5 16.Qd5 Bd5–/+ 17.Rfd1 Rac8 18.Nf3 Rfd8 19.a4 Bb3 20.Rd8 Rd8 21.Nce1 Ne4 22.h3 g6 23.Be5 Rd5 24.Kf1 b6 25.g3 Rd1 26.Rd1 Bd1 27.a5 ba5 28.Bc7 a4 (29.Ne5 Nc3–+; 28...Ba4 29.Ba5 Bb5 30.Kg2–+) 0–1. Gross,W – Kern,M, Hessen clubgame, 1994.

8.b5 Ne5 9.d4 ed3 10.Bd3 Be6 11.Qe2 Be7 12.Nd2 Nd3 13.Qd3 d5 14.cd5 Qd5 15.Qd5 Bd5 16.0-0 0-0 17.a4 Rad8 18.f3 (18.Rfd1 Ne4–/+) 18...Be6 (18...Rd7 19.Kf2–/+) 19.Rf2 (19.Rfd1 Rd7 20.Kf2 Kf7–/+) 19...Rd3 (19...Rd7 20.Re1–/+) 20.Re2 (20.Ra3 Rd7–/+) 20...Rfd8 21.Bc1 (21.Nf1 R3d7–/+) 21...Nd5–+ 22.Nf1 (22.Bb2 Ne3! 23.Ne3 Rd2–+) 22...Bf6 23.Ra3 (23.e4 fe4 24.fe4 Bg4–+) 23...Ra3 (23...Rd1 24.Bd2–+) 24.Ba3 (24.Na3 Nc3 25.Rd2 Rd2 26.Bd2 Na4–+) 24...Nc3 25.Re1 Na4 26.e4 fe4 (26...Bc3 27.Rc1–+) 27.Re4 Bf5 (better is 27...Bb3!? 28.Nce3 b6 29.Ng4 Bd4 30.Kh1–+) 28.Ra4 Bc2 29.Ra7 Bd4 30.Kh1 b6 31.h4 Bd3 32.Nd2 Bb5 33.Ne4 Bc6 34.Ng5 Bd5 35.Rc7 h6 36.Nh3 Ra8 37.Rd7 Be6 (37...Be6 38.Rd4 cd4–+ (38...Ra3?! 39.Rd8 Kf7 40.Nf4–+); 37...Ra3?! 38.Rd5 Bf6 39.h5–+) 0–1. Morriss,Pete (1980) – Hohler,Peter (2215), TCh–FIN SM, 2012.

8.b5 Ne5 9.Be5 de5 10.Nc3 Be6 11.Be2 Be7 12.0-0 0-0 13.d3 Qa5 14.Qe1 ed3 15.Bd3 Rad8 16.Be2 Kf7 17.Rb1 Rd6 (better is 17...Rfe8+=) 18.Ne4+/- Qa2 (18...fe4 19.Qa5 Discovered attack; 18...Ne4 19.Qa5 Discovered attack) 19.Nd6 Bd6 20.Qc1 Qa5 (20...Bc4?? 21.Ra1+-) 21.Ra1 Qb6 22.Qa3 Bb8 23.Rfd1 Qc7 24.g3 h5 25.Ne1 g5 26.Nd3 b6 27.f4 gf4 28.ef4 ef4 29.Nf4 h4 30.Qe3 Re8 31.Qf3 (worse is 31.Ne6 Re6 32.Qf3 hg3 33.hg3 Qg3 34.Qg3 Bg3 35.Ra7 Kg6+=) 31...hg3 32.hg3 Rg8 33.Kf1 Ne4?? (better is 33...Bc8+/-) 34.Qh5+- (34.Ne6?! Ke6 35.Qe3 Qh7+= (35...Qg3?! 36.Qg3 Ng3 37.Kf2+=; 35...Rg3?! 36.Qh6 Nf6 37.Re1=)) 34...Ke7 35.Qh7 Ke8 (35...Bf7 36.Nd5 Ke6 37.Nc7 Bc7+-) 36.Bh5 (36.Bh5 Rg6 37.Qg6 Kf8 38.Ne6 Ke7 39.Qf7) 1–0. Tolmacheva,Eva – Besedin,Anatoly, Irkutsk RUS, 5th Ermolaev Mem, 2011.

6.Nd4 Nc6

7.Qb3 Be7 8.a3 0-0 9.d3 Kh8 (9...Nd4 10.Bd4 Be6 11.Nd2=) 10.Nd2 ed3 (10...Nd4 11.Bd4 Be6 12.Rd1=) 11.Bd3 Ng4 12.h3 Nge5 13.Be2 f4 14.e4 Nd4 15.Bd4 Be6 16.Qc3 Bf6 17.0-0 Qe8 18.Nf3 Qg6 19.Kh2 Qe4 20.Rae1 Nf3 21.Bf3 Qd4 22.Qd4 Bd4 23.Re6 Rae8 24.Re8 Re8 25.Bb7 Re2 26.h4 (26.g3!?=) 26...Bf2+= 27.Kh3 h5 28.Bf3 Ra2 29.Bh5 Ra3 30.Kg4 Bg3 31.Kf5 Rc3 (31...a5!? 32.ba5 Ra5 33.Kg4 Ra2–/+) 32.Bf7 Re3 (32...Kh7 33.Rf3 Re3 34.Bd5=) 33.h5 Re5 34.Kg4 Kh7 35.Bg6 Kh6 36.b5 (36.Ra1!?+=) 36...Rc5 37.Bf7 Rg5 38.Kf3 Re5 39.Ra1 Re3 (39...Re7!? 40.Bg6 Kg5=) 40.Kg4+= Re7 (40...Re5 41.Ra7 Rg5 42.Kf3+=) 41.Bg6 (41.Ra7 Rf7 42.b6=) 41...Re5+= 42.Ra7 Rg5 43.Kf3 Rg6?? (better is 43...Rc5+=) 44.hg6+- Kg6 45.Rc7 Kf6 (45...Be1 46.Rd7 Ba5+-) 46.b6 Ke5 47.b7 Kd4 0–1. ferminkatcho (1685) – adronasian (1840), internet, 2012.

7.Nc6 bc6 8.d4 Be7 9.Be2 0-0 10.c5 d5 11.Qb3 Be6 12.Nc3 Bf7 13.0-0 a6 14.Qa4 Qd7 15.Ba6 Rfb8 (15...Ra7 16.b5 Rb8=) 16.a3 (16.Qa5 Qe8 17.a3 Be6+=) 16...Nh5?? (better is 16...Ra7!?+=) 17.g3 (17.f3!?+/-) 17...Nf6+= 18.Qa5 Bh5 19.Rfe1 Bf3 20.a4 White plans b5 20...f4 21.b5?? (better is 21.Ne2–/+) 21...Qh3 0–1. barborski – nexx1, internet, 2013.

6.Nd4 Be7

7.b5 0-0 8.Nc3 c5 9.bc6 bc6 10.c5 d5 11.Ba3 Ba6 (better is 11...Qa5!? 12.Qa4 Qa4 13.Na4 Ng4+=) 12.Ba6+= (worse is 12.Nf5 Bf1 13.Rf1 Nbd7=) 12...Na6 13.Nc6 Qc7 14.Ne7 Qe7 15.0-0 Qc7 16.d4 Rab8 17.Qa4 Qc8 18.c6 Nc7?? (better is 18...Rf7+-) 19.Bf8 Kf8 20.Rab1 Kf7 (20...a6 21.Qa3 Kg8 22.Rb8 Qb8 23.Qe7+-) 21.Rb8 Qb8 22.Rb1 Qc8 (22...Qd8 23.Rb7 Kg6+-) 23.Qa7 Kg6 24.Rb8 Qa6 25.Qc7 Qd3 (25...Qa3 26.h3 Qc3+-) 26.Rb7 Nh5 27.Qf7 Kh6 28.h4 Qc3 (28...Qc2 29.Qf5 Qb1 30.Nb1 Nf4 31.Qg5) 29.Qf5 (29.Qf5 Qe1 30.Kh2 Qh1 31.Kh1 Ng3 32.fg3 g5 33.Qh7) 1–0. b4_player – paranqua, internet, 2013.

7.d3 0-0 8.Nc3 c5 9.Nc2 b6 (9...Be6 10.a3+=) 10.b5 (better is 10.de4!? cb4 11.Nd5+/-) 10...Bb7= 11.d4 Qc7 12.d5 Nbd7 13.Be2 Ne5 14.0-0 Kh8 15.Kh1 Qd7 16.f4 Nf7 17.Rg1 Nh6 18.h3 Bc8 19.Na4 Qe8 20.Qd2 Qg6 21.g3 Nh5 22.Kh2 Bf6 23.Rg2 Bb2 24.Nb2 Nf6 25.Rag1 (25.Na4 Nd7=) 25...Qf7 (25...Nhg4!? 26.Kh1 Qh6–/+) 26.Nd1 a6 27.a4 ab5 28.ab5 Ra2 29.Nc3 Ra5 30.Ra1 Ra1 31.Na1 Bb7 32.Rg1 Ra8 33.Nc2 Bc8 34.Ra1 Ra1 35.Na1 Qa7 36.Qb2 Nf7 37.Nc2 h5 38.Qa3 Qa3 39.Na3 Nd7? (better is 39...g6+=) 40.Bh5+- Nd8? (better is 40...Kg8+-) 41.Be8 Nb8 (41...Nf6 42.Bc6+-) 42.Na4 Bd7 43.Bg6 Kg8 (43...Nb7 44.Nb6 Na5 45.h4+-) 44.Nb6 Kf8 45.Nd7 Nd7 46.Bf5 Nb6 47.Be4 Kf7 48.Bd3 Kf6 49.e4 Nf7 50.Kg2 g5 51.Kf3 gf4 52.gf4 Nh6 53.Nc2 Na4 54.Ne3 Nb6 (54...Nf7 55.e5! Ne5 56.fe5 Ke5 57.Ng4 Kd4 58.h4 Kd3 59.h5 Kc4 60.h6 Kb5 61.h7+-) 55.Ng4 Ng4 56.hg4 Kf7 57.e5 de5 58.fe5 Ke7 59.Ke4 Na4 60.Kf5 White prepares the advance e6 60...Nc3 61.d6 Kd7 62.g5 Na4 63.g6 Ke8 64.e6 Nb6 (64...Kd8 65.g7 Kc8 66.g8Q Kb7 67.Be4 Kb6 68.Qd8 Ka7 69.Qc7) 65.g7 Nc4 (65...Nd7 66.g8Q Nf8 67.Qf7 Kd8 68.Qf8) 66.g8R# 1–0. carocan (1730) – bestosro (1710), internet, 2013.

6.Ng5 h6

7.Nh3 Nc6 8.a3 =+.

7.Nh3 Be6 8.Nf4 Bf7 9.d3 d5 10.Qa4 c6 11.cd5 b5 12.Qa3 a5 13.Bc3 Nd5 14.Nd5 Qd5 15.Qb2 ab4=+ 16.Bg7 Bg7 17.Qg7 Rg8 18.de4 Rg7 19.ed5 Bd5 20.Rg1 Ra2 21.Ra2 Ba2 22.Bd3 Bd5 23.g3 Be4–+ 24.Be4 fe4 25.Nd2 Re7 26.Nb3 c5 27.Ke2 Re5 28.f4 ef3 29.Kf3 Nc6 30.Rd1 c4 31.Nd4 Nd4 32.ed4 Rf5 33.Ke4 Rf2 34.h3 b3 35.Rb1 b2 36.Ke3 Rh2 37.d5 c3 38.Kd3 c2 39.Rb2 c1Q 40.Rh2 Qc4 (41.Ke3 Qc3 42.Kf4 Qd4 43.Kf3 Qd5 44.Ke3 b4–+) 0–1. Koller – de Visser,Arno, corr ICCF TT–4–90 SF, 1995.

7.Nh3 g5 8.Nc3 Bg7 9.d4 0-0 10.b5 a6 11.a4 c5 12.Be2 Be6 13.0-0 cd4 14.Qd4 Nd5 15.Qd2 Bc3 16.Bc3 Nc3 17.Qc3 Nd7 18.Rad1 (18.Rfd1 Nc5=) 18...Nc5+= 19.Qd4 Qe7 (19...f4 20.f3+=) 20.Qd6 Qd6 21.Rd6 Rfd8 22.Rd8 Rd8 23.ba6 ba6 (23...Na6?! 24.Rb1 Rd2 25.Bf1=) 24.Rb1 Na4 25.Bf1 Nc5 26.f4 (26.Ra1 Kf7–/+) 26...ef3 27.gf3 Ra8 (27...Kf7 28.Ra1–/+) 28.Nf2 a5 29.Nd3 (29.Rb6 a4 30.Rb2 a3–+) 29...Nd3–/+ 30.Bd3 a4 31.Ra1 a3 32.Ra2 Kf7 33.e4 (33.Kf2 Kf6–/+) 33...fe4 (33...f4 34.e5–+) 34.fe4–/+ Kf6 35.Kf2 Ke5 36.Ke3 g4 37.Be2 h5 38.Kd3–/+ h4 39.Kc3 g3 40.hg3 h3 41.Bd3 Ra7 42.g4 Bg4–+ 43.Bf1 h2 44.Bg2 Ra4 45.Kb3 Bd1 46.Kc3 Be2!! 47.Bh1 Bc4 48.Rh2 a2 (48...a2 49.Ra2 Ba2–+ (49...Ra2?! 50.Kc4 Ra1 51.Bf3+=)) 0–1. Degterev,Pavel (2545) – Banet,Jean (2420), Memorial Bernstein A, 2007.

7.Nh3 g5 8.f3 ef3 9.gf3 Nc6 10.Qb3 Qe7 11.Nf2 a5 12.a3 Bg7 13.Be2 f4 14.b5 fe3 15.Qe3 Ne5 16.Be5 (16.h4 Bf5=) 16...de5 17.Nc3 b6 (17...Be6 18.h4+=) 18.Nfe4 Bb7 19.Bd3 0-0-0 20.Nf6 Qf6 21.Be4 Rd4 (21...Rhf8 22.c5+=) 22.d3 (22.c5!?=) 22...Rhd8+= 23.0-0 Bf8 24.Qe2 Bc5 25.Kh1 Qd6 26.a4 Be4 27.fe4 Rd3 28.Nd5 Rd4 29.Rf6 Rd5 30.Rd6 (30.cd5 Qf6 Remove defender; 30.ed5 Qf6 Remove defender) 30...R5d6 31.Rf1 Kb8 32.Qh5 Be3 33.Rf3?? (better is 33.Kg2+=) 33...Rd1–+ 34.Kg2 Rg1 (34...Rg1 35.Kh3 Bf4–+) 0–1. Romero Holmes,A (2480) – Spraggett,K (2525), III Magistral de VRSA, Santo Antonio PO, 2000. (=1.c4 f5 2.b4 e5 3.Bb2 d6 4.e3 Nf6 5.Nf3 e4)

5.Nf3 Be6

6.a3 a6 7.Be2 Nbd7 8.0-0 Be7 9.d3 c6 10.Nbd2 b5 11.cb5 (11.d4 Qc7+=) 11...cb5 12.Rc1 Rc8 13.Rc8 Qc8 14.Qc1 Qd8 15.Qc6 0-0 (15...Qb6 16.Qc8 Bd8 17.Rc1+=) 16.Qa6+/- Qb8 (16...Qb6 17.Qb6 Nb6 18.Rc1+/-) 17.Rc1 (better is 17.d4 e4 18.Ng5+-) 17...e4? (better is 17...Nd5+/-) 18.de4 (18.Nd4 Kf7+-) 18...fe4 19.Nd4 (19.Qb5?! ef3 20.Qb8 Rb8 21.Nf3 Bd5+/-) 19...Bc4 (19...Bd5 20.Qb5 Qa8 21.Nf5+-) 20.Bc4 bc4 21.Qc4 (21.Ne4!? Ne4 22.Nc6 Qa8 23.Qc4 Kh8 24.Qe4 Bf6 25.Bf6 Rf6+-) 21...d5 22.Qc7 Qe8 23.Ne6 Rf7 (23...Bb4 24.Nf8 (24.ab4?! Qe6 25.Bd4 Ng4+/-) 24...Bf8 25.a4+-) 24.Ng5 Rf8 25.Nb3 (better is 25.Qc6!? Kh8+-) 25...Ne5?? (better is 25...Ng4 26.Nh3 Bh4+-) 26.Qe5 1–0. Fournier,Frederic (1790) – pousssine (1605), Active (5/0), 2004.

6.a3 Be7 7.d3 0-0 8.Nbd2 Nbd7 9.Be2 Qe8 10.0-0 (10.Ng5 Bf7+=) 10...Rd8 (10...Qg6 11.Qc2=) 11.Rb1 (11.Ng5 Bf7+=) 11...a6 (11...Qg6 12.Qa4=) 12.Qc1 (12.Ng5 Bf7+=) 12...Rc8 (12...Qg6 13.Re1=) 13.h3 (13.Ng5 Bf7+=) 13...e4 (better 13...Qg6!?=+) 14.Ng5 Bf7 (14...Bd8 15.Qc2+=) 15.Nf7 (15.de4 fe4 16.Nde4 Ne4 17.Ne4 Be6+/-) 15...Qf7+= 16.de4 fe4 17.Qc2 Qe6 18.c5 d5 19.Nb3 c6 20.Nd4 Qf7 21.f3 Nh5? (better 21...ef3 22.Rf3 Rce8+=) 22.fe4+- Qg6 (22...Nhf6 23.Bg4 Qe8 24.Be6 Kh8 25.ed5 Nd5 26.Rf8 Bf8 27.Qf5 Ne3 28.Qg5+- (28.Bd7?! Nf5 29.Be8 Nd4+/-)) 23.Rf8 (23.Nf5 Rf7+-) 23...Rf8 24.Nf5 (better 24.ed5 cd5 25.Qg6 hg6 26.Bf3+-) 24...Bh4?? (better 24...Bg5+/-) 25.Nh4+- Qg2 (25...Qg5 26.Bh5 Qh5+-) 26.Kg2 Rf1 27.Rf1 Ng3 28.Kg3 Nc5 1-0. amirgloo (1900) - staraciotti (1870), lichess.org, 2020.

6.Qb3 Nbd7 7.d4 e4 8.Ng5 Bg8 9.h4 c6 10.Be2 d5 11.Nc3 h6 12.Nh3 Bd6 13.g3 Qe7 14.a3 Be6 15.Nf4 Bf4 16.gf4 0-0 17.Rg1 Ne8 18.cd5 cd5 19.Nd5 Qf7 20.Bc4 Kh8 21.Nb6 Bc4 22.Nc4 Rc8 23.Nd2 Qh5 24.Nc4 Qf7 25.Na5 Qh5 26.Nb7 Ndf6 27.Nc5 Nd6 28.Qd1 Qh4 29.Qe2 Nd5 30.0-0-0 a5 31.b5 a4 32.Kb1 Rb8 33.Nd7 Rfc8 34.Nb8 Nc4 35.Nc6 Nb2 36.Kb2 Qf6 37.Qc4 Qd6 38.Qc5 Qd7 39.Rc1 Rc7 40.Ka2 Kh7 41.Rc4 Nb4 42.Rb4 Qf7 43.Qc4 Qc4 44.Rc4 g5 45.b6 Rb7 46.fg5 Rb6 47.g6 Kg7 48.Ne5 Rb7 0–1. ferminkatcho (1750) – lena27 (1710), internet, 2014.

6.b5 Be7 7.a4 Nbd7 8.Be2 0-0 9.0-0 Nc5 (9...Ne8 10.Nc3=) 10.h3 (10.d4 ed4 11.Nd4 Qd7+=) 10...Nfe4 (10...e4 11.Nd4=) 11.d4 ed4 12.ed4 (12.Qd4?? Bf6 13.Qd1 Bb2-+) 12...Nd7 13.d5 Bf7 14.Nbd2 Ndc5 15.Ne4 Ne4 (15...fe4 16.Nd4=) 16.Bd3 (16.Qc2 Bg6+=) 16...Bf6 17.Bf6 (17.Nd4 Be5+=) 17...Qf6= (worse 17...Nf6 18.Bf5 Kh8 19.Qc2+-) 18.Qc2 Rae8 19.Rae1 Qg6 (better 19...Bg6!?=) 20.Nh4 Qg5 21.Nf5! Bg6? (21...Qf5 22.Re4 Remove defender) 22.Ne3?? (better 22.Be4 Re4 23.Qe4 (23.Re4?! Qf5 24.f3 Qg5+/-) 23...Bf5 24.Qe7+-) 22...Nf2 23.Rf2 Bd3?? (better 23...Rf2 24.Qf2 Bd3=) 24.Rf8+- Rf8 25.Qd3 h6 26.Rf1 Re8 27.Nf5 1-0. Abdullaevich (1850) - stormsfury (1810), lichess.org, 2020.

6.d3 Nbd7 7.Be2 Be7 8.0-0 0-0 9.a4 c5 10.b5 h6= 11.Nfd2 a6 12.Nc3 ab5 13.ab5 Qc7 14.Bf3 Nb6 15.Qc2 Ra1 16.Ra1 Ra8 17.Ra8 Na8 18.Qa4 Qc8? 19.Qa7+- e4 20.de4 fe4 21.Nce4 Nc7? 22.Nf6 Bf6 23.Bf6 gf6 24.Qb7 Qb7 25.Bb7 d5 26.b6 Ne8 27.cd5 Nd6 28.Bc6 Bc8 29.Kf1 c4 30.Ke1 c3 31.Nb3 c2 32.Kd2 Nc4 33.Kc2 Nb6 34.Kd3 Ba6 35.Kd4 Bf1 36.g3 Kf8 37.Nc5 Ke7 38.Nb7 Nc8 39.Kc5 f5 40.d6 (40.d6 Nd6 41.Nd6+-) 1–0. hal1958 – ian371, playchess.de, 2003.

6.d3 Be7 7.Be2 0-0 8.Nbd2 Nbd7 9.a3 Ng4 10.h3 Nh6 11.0-0 Nf6 12.Ng5 Qd7 13.Ne6 Qe6 14.Nf3 g5? (better is 14...Nf7+=) 15.Ng5+- Qd7 16.Bh5 Nh5 17.Qh5 Rf6 18.d4 Rg6 19.Nf3 e4 20.Nh4 Rg5?? (better is 20...Bh4 21.Qh4 Qg7+/-) 21.Qh6+- Kh8 (21...Qe8 22.d5 Qf7 23.f4+-) 22.d5 Kg8 23.f4 (23.f3!? a5 24.fe4 fe4+-) 23...Rg3 24.Kh2 Bh4 25.Qh4 Re3 26.Qg5 Kf8 27.Qf6 Ke8 28.Qh8 Kf7 29.Qh7 Ke8 30.Qg8 Ke7 31.Qg7 Ke8 32.Qd7 Kd7 33.Rf3 Re2?? 34.Bf6 ef3–/+ 35.Rg1 f2 36.Rf1 Rae8 37.Bh4 Ra2 38.Bf2 Ra3 39.Bh4 Rb3 40.b5–/+ Rc3 41.Bf6 Rc4 42.Rb1 Rc5 43.Bg5 Rd5 44.h4 c6 45.bc6 bc6 46.Rb7 Ke6 47.Ra7 c5 48.Ra1 c4 49.Rc1 Kd7 50.Bf6 1–0. Fournier,Frederic (1605) – eka, Active, 2007.

6.d4 ed4 7.Nd4 Bd7 8.Be2 Be7 9.b5 0-0 10.0-0 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 c6 14.Nd2 d5 15.cd5 cd5 16.N2f3 Bd6 17.Qb3 Ne4? (17...Qe7+-) 18.Qb2 (18.Qd5 Kh8 19.Qb7 Qe8+-) 18...Kh8?? (better 18...Qf6+=) 19.Ne6!!+- Qf6 (19...Be6 20.Qg7 Mate attack) 20.Nf8 Bf8 (20...Qf8 21.Qa2 Be6 22.Nd4+-) 21.Qf6 gf6 (21...Nf6?? 22.Be5 Nc6 23.bc6 bc6 24.Ra1+-) 22.Nd4 Bd6 23.g3 Kg7 24.Kg2 Kf7 25.Bb2 Bc8 26.Rc1 Bd7 27.Ra1 Nc5 28.Bf3 Ne4 29.Ra7 b6 (29...Bc8 30.Bh5 Ke7 31.Bd1+-) 30.Nc6 (better 30.Nf5!? Ke6 31.Nd6 Nd6+-) 30...Nc6 (30...Ke6 31.Bh5 Nc5+-) 31.bc6 (31.bc6 Ke6 32.Rd7+-) 1-0. Mettigel (2380) - panino7 (2050), Rated Blitz game, lichess.org, 2015.

6.d4 Be7 7.de5 de5 8.Qd8 Kd8 9.Ne5 Nbd7 10.a3 Bd6 11.Nd7 Kd7 12.Nd2 c5 13.b5 a6 14.Be2 ab5 15.cb5 Ra4 16.0-0 Rha8 17.Rfc1 Ne4 18.Ne4 fe4 19.Bg7 Ra3 20.Ra3 Ra3 21.g4 Ra2 22.Bc4 Ra5 23.g5 Bc4 24.Rc4 Rb5 25.Re4 Rb1 26.Kg2 b5 27.h4 b4 28.h5 b3 29.g6 hg6 30.hg6 b2 31.Bc3 Rg1 32.Kg1 b1Q 33.Kg2 Qe4 0–1. ognos (1690) – junkers15, internet, 2014.

6.Be2 Qd7 7.0-0 Be7 8.d4 e4 (8...0-0 9.Nc3+/-) 9.Ng5 0-0 10.Nc3 d5 11.Ne6 Qe6 12.cd5 Nd5 13.Qb3 Kh8?? (13...c6 14.Bc4 Rd8+/-) 14.Nd5 c6 (14...Bd6+-) 15.Nb6! Qb3 (15...ab6 16.Qe6 Discovered attack) 16.ab3 ab6 17.Ra8 Bb4 (17...Bg5 18.Ra7 f4 19.ef4+-) 18.Rfa1 Ba5 (18...f4 19.R1a7 Nd7 20.Rf8 Nf8 21.ef4+-) 19.Ba3 Bc3 20.Bf8 (20.Bf8 Ba1 21.Rb8+-) 1–0. pierred – anony, internet, 2014.

6.Be2 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Be2 Be6).

6.Be2 g6 7.d4 Nbd7 8.0-0 e4 9.Ng5 Qe7 10.Nc3 Bh6 11.Ne6+- Qe6 12.Nb5 Kd8 13.d5 Qe7 14.c5 Bg7 15.Rc1 a6 16.cd6+- cd6 17.Nc7 Rb8 18.Bd4 Rc8?? 19.Ne6 (19.Ne6 Qe6 20.Rc8 Ke7 21.de6 Rc8 22.ed7 Kd7 23.Be5+-) 1–0. pcmvr (2225) – anatolian (2295), net–chess.com, 2006.

6.Be2 h6 7.0-0 Be7 8.d3 0-0 9.Nbd2 e4 10.de4 fe4 11.Nd4 Bf7 12.Qc2 d5 13.cd5 Bd5 14.a3 c6 15.Bc4 Nbd7? (better is 15...Qd7!?+=) 16.Bd5 cd5 17.Ne6 Qc8 18.Qb3 Rf7 19.Nf4 (19.Rac1 Qb8 20.Nc7+-) 19...Kh7? (better is 19...Qc6+=) 20.Nd5+- Nd5 21.Qd5 Nf6?? (21...Kg8 22.Rac1 Qf8+-) 22.Qf7 (22.Qf7 Qe8 23.Qe6+-) 1–0. Fournier,Frederic (1905) – Jurode (1685), Active (5/0), 2005.

6.Ng5 Qd7 7.Be2 h6 (7...Bg8 8.0-0=) 8.Ne6 Qe6 9.Bh5 (9.0-0 d5+=) 9...Kd7 (9...Nh5 10.Qh5 g6 11.Qe2=) 10.Be2 g5 11.Nc3 (11.d4 ed4 12.Bf3 A) 12...Qc4 13.Qd4 Qd4 14.Bd4+= (worse 14.ed4 d5–/+); B) 12...Kc8 13.Bd4 Bg7=) 11...a6 (11...Kc8 12.0-0=) 12.Qa4 (12.Qa4 Kc8 13.d4+=) 1–0. GuestDZJW – GuestPDKM, freechess.org, 2017.

6.Ng5 Qe7 7.Be2 h6 8.Ne6 Qe6 9.Bh5 Nh5 10.Qh5 g6 11.Qe2 h5 (11...Nc6 12.b5 Ne7 13.Nc3=) 12.b5 (12.d4 d5 13.cd5 Qd5=) 12...a5 (12...Nd7 13.0-0=) 13.0-0 b6 (13...Nd7 14.d3=) 14.d4 Nd7 15.Nc3 ed4 (15...0-0-0 16.Rfe1+=) 16.Nd5+- 0-0-0 17.Bd4 Rh6 18.Rfd1 f4? (better 18...Re8!?+-) 19.Nf4+- c5?? (better 19...Qe4+-) 20.Ne6 (20.Ne6 g5 21.Nd8 Kd8 22.Bc3+-) 1–0. DEFFM – GuestGBFG, freechess.org, 2018.

6.Qb3 Be7

7.d4 e4 8.Ng5 Bg8 9.h4 Nbd7 10.Nc3 c6 11.Be2 b5 12.d5 bc4 13.Bc4 Ne5 14.Ne6 Be6 15.de6 d5 (worse is 15...Nc4 16.Qc4 Qb6 17.Na4+=) 16.Be2 0-0 (16...Qd6 17.b5 Qe6 18.bc6 Nc6 19.Nb5 Bb4 20.Kd1+=) 17.Ne4+= Ne4 18.Be5 Qb6 (18...Bh4 19.g3 Bf6 20.Bf6 Qf6 21.Rc1 Qe6 22.Qa4+=) 19.0-0 (better is 19.a3!?=) 19...Nd2–/+ (worse is 19...Qb4 20.Qb4 Bb4 21.Rac1+/-; worse is 19...Bb4 20.Rfb1 a5 21.a3+/-) 20.Qc3 Nf1 21.Rf1 Bf6 (21...Bb4 22.Qa1 Rfe8 23.Bg7 Re6 24.Bd3–/+) 22.a3 (better is 22.Bh5!? Be5 23.Bf7 Kh8 24.Qe5 Qb4 25.e7 Rf7 26.e8Q Re8 27.Qe8 Rf8 28.Qc6=) 22...Rae8–/+ 23.Bd3 Re6 24.Bd4 Bd4 25.ed4 g6 26.Rc1 Qd8 27.g3 (27.h5!?–+) 27...f4 28.Bf1 fg3 29.fg3 Qf6 30.Bg2 Qf2 31.Kh2 (31.Kh1 Rfe8 32.Qf3 Re1 33.Re1 Re1 34.Kh2 Qd4 35.Kh3–+) 31...Re3 (31...Re3 32.Qc6 Qg3 33.Kh1 Qh4 34.Kg1 Qf2 35.Kh1 Rf4 36.Qd5 Kg7–+) 0–1. ferminkatcho (1635) – ahmeti (1645), internet, 2013.

7.d4 e4 8.Ng5 Bg8 9.h4 h6 10.Nh3 Bf7 11.Nf4 0-0 12.Be2 b5 13.Nc3 bc4 (13...c6!?=) 14.Bc4+/- Qe8 (14...a5!?+/-) 15.Ne6+- Be6 16.Be6 Kh8 17.Bf5 Nc6 18.Ne4 Ne4 19.Be4 Rb8 (better is 19...d5 20.Qd5 Bb4 21.Ke2 Rf6+-) 20.a3 Bf6 21.Qc2 (21.Bb1 g6 22.Qd3 Kg7+-) 21...Ne7? (21...Nd4 22.Bd4 Bd4 23.ed4+-) 22.g3 (better is 22.Qc7!? d5 23.Bf3 Nf5+-) 22...d5 23.Bg2 a5 24.Bc3 Nc6 25.Bd5 (25.0-0 ab4 26.Bb4 Nb4 27.ab4 Rb4 28.Bd5 Qh5+-) 25...ab4 (25...Nd4 26.Bd4 Bd4 27.Rb1 Be3 28.0-0+/- (worse is 28.fe3 Qe3 29.Kd1 Rbd8–/+)) 26.ab4 (26.Qe4 Nd4 27.Bd4 Qe4 28.Be4 Bd4 29.ed4 Rbe8+/-) 26...Nb4? (better is 26...Nd4!? 27.Bd4 Bd4+/-) 27.Bb4+- Rb4 28.0-0 Qe7 29.Ra7 Qd6 30.Be4 c5 31.dc5 Qe5 32.Bg2 Bh4 (32...Qh5+-) 33.gh4 Rh4 34.Rfa1 Qh2 35.Kf1 Rg4 36.f3?? (better is 36.f4 Rgf4 37.ef4 Qf4 38.Ke1 Re8 39.Qe2 Qg3 40.Kd1 Re2 41.Ke2 Qg2 42.Ke3=) 36...Rf3–+ 37.Qf2 Rf2 38.Kf2–+ Qg2 39.Ke1 Qf3 40.Kd2 1–0. ferminkatcho (1800) – gwidon13 (1755), internet, 2013.

6.Nc3 Nbd7

7.Qb3 Be7 8.Be2 0-0 (8...a5 9.ba5 Nc5 10.Qc2=) 9.Ng5+= Bf7 10.Nf7 Kf7 (10...Rf7 11.d4 ed4 12.ed4+=) 11.0-0 g5 (11...a5!?+=) 12.d4 e4 (12...Kg7 13.Qc2+/-) 13.f3+- Kg6 (13...Kg7 14.Qc2+-) 14.fe4 Ne4 15.Ne4 (15.Qc2 Ndf6+-) 15...fe4 16.Qc2 Nf6 17.d5 Re8 (17...Kh6 18.Rf5+-) 18.Bf3 (better 18.Rf2 Rf8 19.Bf6 Rf6 20.Qe4 Kg7 21.Bd3+-) 18...Bf8?? (18...Kh6 19.Be4 Ne4 20.Qe4 Bf6 21.Rf6 Qf6 22.Qe8 Qb2 (22...Re8?? 23.Bf6 Re3 24.Bd8+-) 23.Qe6 Kg7+-) 19.Bf6 Kf6 20.Bh5 (better 20.Be4 Kg7 21.Bh7+-) 20...Kg7 21.Qc3 (better 21.Be8!? Qe8 22.Rf5 Kg6+-) 21...Kh6 (better 21...Re5!?+/-) 22.Be8+- Qe8?? (22...Bg7 23.Qc1 Qe8 24.Rb1+-) 23.Qf6 (better 23.Rf6 Kh5 24.Qc2+-) 23...Qg6 24.Qf7 (24.Rab1!? b6+-) 24...Bg7 25.Rad1 Rf8? (25...Qf7 26.Rf7 a5 27.ba5 Ra5 28.Rc7 Ra2 29.Rb7+-) 26.Qg6 (better 26.Qc7 Rf1 27.Rf1+-) 26...Kg6 27.c5 (27.Rf8 Bf8 28.Rd4 Kf5+-) 27...Rf1 28.Kf1 Bc3 29.a3 (29.cd6 cd6 30.Rc1 Bb4+-) 29...Kf5 30.c6 (30.Ke2 Ke5+-) 30...bc6 (30...b5 31.Rc1 Bb2 32.Rb1 Ba3 33.Ke2+-) 31.dc6+- Ke5 32.b5 h5 33.a4 (33.Ke2 d5+-) 33...g4 (33...d5 34.Ke2+-) 34.Ke2 h4 (34...Ke6 35.Rf1+-) 35.Rc1 Bb4 36.Rc4 (better 36.Rf1!? d5 37.Rf7 Bd6+-) 36...Bc5 37.a5 Kd5 38.Rc1 Ke6 39.Kd2 (better 39.g3 h3 40.Rf1+-) 39...Bb4+/- 40.Kc2 Ba5 41.Kb3 (41.Rf1 g3+/-) 41...Bb6+= 42.Kc4?? (42.Rf1 d5 (worse 42...Be3 43.Re1+/-) 43.Re1 Bc5+=) 42...Ke5 (better 42...d5!? 43.Kb3 Be3-/+) 43.Rc3 (43.Re1 d5 44.Kb4 Kd6=) 43...g3 (43...d5 44.Kb3=) 44.hg3+= hg3 45.Ra3 Bc5 46.Rb3 Bb6 47.Rb2?? (47.Kb4 d5 48.Ra3 d4=+) 47...Bc5?? (better 47...d5 48.Kb3 Be3-+) 48.Re2= Bb6 49.Kc3 Bc5 50.Re1 Bb6 51.Rf1 (51.Kb4!?+=) 51...Be3=+ 52.Rf7 Bd4 53.Kc4 (53.Kd2 Bb6 54.Rg7 Kd4 55.Rg3 Kc4-/+) 53...Bb6 (better 53...d5!? 54.Kb3 Kd6-/+) 54.Re7= Kf4 55.Rf7 (better 55.Rg7!?=) 55...Ke3-/+ 56.Rg7? (better 56.Re7!? Kf2 57.Re4 Kg2 58.Re7=+) 56...Kd2 (better 56...Kf2!? 57.Kc3-+) 57.Rg3 e3 58.Rg5?? (58.Rh3-+) 58...e2 59.Rd5 Kc2 60.g4 (60.Rf5 e1Q 61.Kd5 Qe2 62.Rh5 Kc3 63.Rh3 Kb4 64.Rh4 Kb5 65.Rb4 Kb4 66.g4 Qe5) 60...e1Q 61.Rd3 (61.Re5 Qc3 62.Kd5 Qe5 63.Kc4 Qd4) 61...Qe4 62.Rd4 Qd4 0-1. carlos78 (2295) - Miel_Pops (2130), Rated Blitz game, lichess.org, 2016.

7.Be2 Be7 8.0-0 0-0 9.Qc2 Qe8 10.Nb5 a6?? (better is 10...Bd8+=) 11.Nc7+- Qh5 12.Na8 (better is 12.Nd4 Qg6 13.Nde6 Rac8+-) 12...Ra8 13.d3 (better is 13.Nd4!? Qf7 14.Nf5 Rc8+-) 13...Qh6 14.h3 Rf8 15.a4 g5 16.Nh2 f4 17.Bg4 Bg4 18.hg4 Qh4 19.f3 h5 20.ef4 gf4 21.gh5 Nh5 22.d4 Kg7 23.de5 de5 24.c5 Rh8 25.Rfd1 Ng3 26.Rd7 Qh2 27.Kf2 (27.Kf2 Kf8 28.Be5 (28.Rb7?! Nh1 29.Rh1 Qg3 30.Ke2 Qg2 31.Kd3 e4 32.fe4 Qc2 33.Kc2 Rh1+-) 28...Nh1 29.Ke2+-) 1–0. Van Esbroeck,Dirk – Slavik,Petr, OP–2008–0-00670, 2008.

7.Ng5 Qe7 (7...Bg8 8.Qf3=) 8.Ne6+= Qe6 9.Nb5 Kd8 10.Be2 (10.d4 d5 11.a3 e4+=) 10...c6= 11.Nc3 Be7 (11...Nb6 12.d3=) 12.Qc2 (12.d4 ed4 13.Qd4 Re8+=) 12...Rc8 (12...d5 13.cd5 cd5 14.a3=) 13.a3 d5 14.c5 a5 (14...Kc7 15.d4+=) 15.0-0 d4 (15...b6 16.d4 bc5 17.bc5+-) 16.Na4 (16.Na2 Nd5+-) 16...ab4 17.ab4 g5 (17...Nd5!? 18.ed4 Nb4+-) 18.Bc4 Nd5 19.ed4 ed4 (19...e4 20.Nc3+-) 20.Bd4 h5?? (20...Re8+-) 21.Bh8 h4 (21...Nb4 22.Be6 Nc2 23.Bd7 Kd7 24.Nb6 Kd8 25.Nc8 Kc8 26.Ra8 Kc7 27.d4+-) 22.Rfe1 Qf7 23.Bd5 Qd5 24.Nc3 Qc4 (24...Qg8 25.Be5 Qg6 26.Qd3+-) 25.Qf5 g4 (25...Qg8 26.Re7! Ke7 27.Re1 Kd8 28.Bf6 Kc7+-) 26.Re7! Ke7 (26...Ke7 27.Re1 Mate attack) 27.Re1 Kd8 (27...Qe2 28.Re2 Kd8 29.Bf6 Kc7 30.Qf4 Ne5 31.Qe5 Kd7 32.Qd6) 28.Qg5 Kc7 29.Be5 Ne5 30.Qe5 Kd7 (30...Kd8 31.Qd6) 31.Qe7 (31.Qd6) 1–0. Yuan,Ziqi (1690) – Kong,Dexuan, ACT Championship, 2016.

6.Nc3 Be7

7.Qb3 0-0 8.Ng5 Bd7 (8...Bc8!?=) 9.c5+/- d5? (better 9...Kh8+/-) 10.Nd5+- Nd5 (10...Kh8 11.Nf6 (11.Ne7?! Qe7 12.Bc4 Nc6+-) 11...Bf6 12.Nf7 Rf7 13.Qf7+-) 11.Qd5 Kh8 12.Nf7 (12.Qe5 Bf6 13.Qg3 f4 (13...Bb2?! 14.Qh4 Qg5 15.Qg5 Ba1 16.Qf4=; 13...Bg5?! 14.Bg7 Kg7 15.h4-/+) 14.Qf4 Bg5-+ (14...Bb2 15.Qh4 Qg5 16.Qg5 Ba1 17.Bd3+-); 12.Qb7 Bc6 13.Ne6 Bb7 14.Nd8 Bd8 15.Be5 Bd5-/+) 12...Rf7 13.Qf7 Bf6 14.f4 (better 14.b5+-) 14...Nc6 (14...ef4 15.Bf6 Qf6 16.Qf6 gf6 17.ef4+-) 15.Bb5 (better 15.b5 Na5 16.fe5+-) 15...Be8?? (15...ef4 16.Bf6 gf6 17.ef4 a6+-) 16.Qf8 1-0. carlos78 (2305) - kakasarabi (2020), Rated Blitz game, lichess.org, 2015.

7.d4 e4 8.Nd2 0-0 9.d5 Bd7 10.Be2 c6 (10...a5 11.b5=) 11.0-0 cd5 (11...Na6 12.Qb3+=) 12.cd5+/- Na6 13.a3 Nc7 14.Nb3 (better 14.Nc4+=) 14...Ncd5?? (better 14...Qe8+=) 15.Nd5+- Nd5 (15...Kh8 16.Na5 Rb8 17.Qd4+-) 16.Qd5 Kh8 17.Nd4 (17.Na5 Bc6 18.Nc6 bc6 19.Qc6 Rc8+-) 17...Rc8 (17...Qb6 18.Bc3+-) 18.Ne6 (better 18.Rac1 Rc1 19.Rc1 Bc8+-) 18...Be6 19.Qe6 Rc2 20.Bd4?? (better 20.Ra2 Re2 21.Bg7 Kg7 22.Re2+-) 20...Re2+/- 21.Ba7 (21.Qc4 Rd2+=) 21...Bf6 22.Bd4 (22.Rad1!? Qe7 23.Qd6 Qd6 24.Rd6+=) 22...Bd4=+ 23.ed4 d5 (23...Rd2 24.Rad1 Rc2 25.Qd5=+) 24.Rfe1 (24.Rac1 Rd2 25.Rfd1 Re2=) 24...Rd2 25.Rac1 (25.Red1 Rc2=+) 25...Rd4 26.Qe5 (26.Rc5 Rd3-/+) 26...Qf6 (26...Rc4 27.Red1 Qc8 28.Rc4 dc4 29.h4-/+) 27.Qc7 (27.Qf6 gf6 28.Rc7 b5=+) 27...f4-/+ 28.Qb7 e3 29.Rc7?? (better 29.Rc8 Rd2 30.Rf8 Qf8 31.f3-+ (31.fe3 fe3 32.Rf1 Rf2-+)) 29...ef2 30.Kf2 Rd2 31.Kg1 (31.Kf3 Qh4 32.Qd5 Qf2 33.Kg4 Rd5 34.Rc5 Qg2 35.Kh4 Qh2 36.Kg4 Qg3) 31...Qd4 (31...Qh4 32.Rf1 f3 33.Rg7 Qd4 34.Kh1 fg2 35.Rg2 Rf1 36.Rg1 Rg1) 32.Kh1 Qf2 33.Rg1 Rg8 (33...f3 34.Qd5 Rd5 35.Rg7 Qg1 36.Kg1 f2 37.Kf1 Rd1 38.Ke2 f1Q 39.Ke3 Qd3) 34.Rf7 d4 (34...Re2 35.h3= (35.Qd5?? Re1 36.Re1 Qe1)) 35.h3 1-0. Fettito - pakoki, lichess.org, 2018.

7.Ng5 Bg8 8.Be2 Nc6 9.a3 Qd7 10.Nd5 (better is 10.b5 Nb8 11.0-0+=) 10...Nd5–/+ 11.cd5 Bg5 12.dc6 Qc6 13.0-0 Bd5 14.Rc1 Qd7 15.Bc4 Bc4 16.Rc4 0-0 17.f4 Bf6 18.fe5 Be5 19.Be5 de5 20.d4 Rad8 21.Qb3 Kh8 22.de5 b6 23.Rfc1 Rf7?? (23...Rc8 24.Rc6+=) 24.Rc6 (better is 24.Rd4 Re7 25.Rcd1 Qd4 26.ed4+-) 24...Re8?? (better is 24...Re7+=) 25.e6+- (25.e6 Re6 26.Rc7 Qc7 27.Rc7 Rc7 28.Qe6+-; 25.Rc7?! Qc7 26.Rc7 Rc7=) 1–0. Rush,Bradley – Simik,Frantisek, ZL–2011–0-00920, 2011.

6.d3 h6

7.Be2 Be7 8.0-0 0-0 9.a3 c6 10.Nbd2 Nbd7 11.Qc2 Rc8 12.Rfc1 a6 13.Qd1 Qe8 14.e4 f4 (14...b6 15.Qa4=) 15.Nf1 (15.d4 Qg6+=) 15...Ng4 16.h3 Ngf6 17.Qb3 Qg6 18.Kh2 Nh7 19.a4 Kh8 20.b5 c5 21.ba6 ba6 22.Qc2 Ndf6 23.Bc3 Nh5 (23...Ng5!?=) 24.Rab1 Qf6 (better is 24...Rb8!?+=) 25.Rb6+/- g5? (25...Ra8 26.Qb2+-) 26.Rcb1 (26.Ne5 de5 27.Bh5 Rb8 28.Ra6 Rfd8+-) 26...g4 27.hg4 Bg4? 28.Ng1 Qh4–+ 29.Nh3 Bh3 30.gh3 Rg8 31.Bg4? Rcf8 32.f3+= N5f6 33.Be1 Qg5 34.Ra6? h5–/+ 35.Qg2 hg4 36.hg4 Rg6 37.Kg1–/+ Rh6 38.Kf2 Rg6 39.Ke2 Rgg8 40.Rab6 Bd8 41.R6b5 Nd7 42.a5 Ba5?? 43.Ra5 Ra8 44.Ra8 Ra8 45.Rb2 Nhf6 46.Qh2 Kg7 47.Bh4 Qg6 48.Bf6 Kf6 49.Qh4 Ke6 50.Nd2 Qg7 51.Nb1 Rh8 52.Qf2 Rh1 53.Nc3?? Qh6 0–1. Fournier,Frederic (1860) – juanro32 (1785), Active, 2008.

7.Be2 Be7 8.Nbd2 0-0 9.0-0 Nbd7 10.e4 f4 (10...a5!? 11.ef5 Bf5 12.ba5 Ra5=) 11.d4+= Bg4 12.de5 Bf3 (12...Ne5 13.Ne5 Be2 14.Qe2 de5 15.c5+/-) 13.Bf3 (13.ef6 Bf6 14.Bf6 (14.Nf3?! Bb2 15.Rb1 Bc3+/-; 14.gf3 Bb2 15.Rb1 Be5+=; 14.Bf3?! Bb2 15.Rb1 Be5=) 14...Be2 15.Bd8 (15.Qe2?! Qf6 16.Qd3 Rf7=) 15...Bd1 16.Bc7+- (16.Rad1?! Rad8 17.Nf3 Rfe8=)) 13...de5 14.c5 c6 15.Nc4 b6 16.Ne5 Ne5 17.Be5 Qd1 (17...bc5!? 18.bc5 Bc5+/-) 18.Rfd1+- (18.Bd1?! bc5 (18...Ne4? 19.Bb3 Kh8 20.Rae1 Nc5 21.bc5 Bc5 22.Bd1+-) 19.Rc1 Nd7 (worse is 19...Ne4 20.Bb3 Kh8 21.Rfe1+/-) 20.Bb3 Kh7+=) 18...bc5 19.bc5 Bc5 20.Bf4 (better is 20.Rac1 Bb4 21.Rc6+-) 20...Ne4+= 21.Be4 Rf4 22.Bc6 Rf2? (22...Bf2 23.Kh1 Rc8 24.Rac1=) 23.Kh1?? (better is 23.Ba8 Rf8 24.Kh1 Ra8 25.Rd5+-) 23...Raf8 24.Bd5 Kh8 25.Bf3 g5 26.Rf1 Rf1 27.Rf1 Kg7 28.h3 Rf4 29.Rc1 Bb6 30.Rc2 Ra4 31.Bd5 Kf6 32.Bb3 Rf4 33.Kh2 h5 34.Kg3 h4 35.Kh2 Bd4 36.Rc1 Be5 37.Kg1 Bd4 38.Kh2 Be5 39.Kg1 Bd4 40.Kh2= ½–½. Fournier,Frederic – latercomertoo (1625), Active, 2008.

6.d4 Nbd7

7.Qb3 ed4 8.ed4 d5= 9.c5 c6 10.Nc3 Be7 11.Bd3+= 0-0 12.Ng5+/- Bf7 13.Bf5 Nh5?? 14.Nf7 Kf7 15.Nd5 Qe8?? 16.Bh7 (16.Bh7 Bf6 17.Ne3 Ke7 18.Bc2+-; 16.Nc7 Kf6 17.Qe6 Kg5 18.h4 Kf4 19.Bc1#) 1–0. Muri – Bertram, corr, 1988.

7.Qc2 e4 8.d5+= Bg8 9.Nd4 g6 10.Nc3 Bg7 11.Nce2 Qe7 12.Nf4 g5? 13.Nf5+- Qf7 14.Ne6 Bf8 15.Nc7 Kd8 16.Na8 Ne5 17.c5 dc5 18.Be5 Qd5 19.Bf6 Ke8 20.Nc7 (20.Nc7 Kd7 21.Nd5 Bd5 22.Bh8+-) 1–0. pierre – womos, internet, 2010.

7.Qc2 Be7 8.Ng5 Bf7 9.Nf7 Kf7 10.Qf5 g6 11.Qf3 Kg7 12.Qb7+- ed4 13.Bd4 Rf8 14.Be2 Ne5 15.Qa6 Nh5? 16.g4 Nf6 17.0-0 Qd7 18.g5 Nfg4 19.f4 Ne3 20.Be3 Ng4 21.Bd4 Kg8 22.Qb7 Rae8 23.Bf3 Rb8 24.Bd5 (24.Bd5 Rf7 25.Bf7 Kf7 26.Qb8+-) 1–0. pcmvr (2100) – ccoutlaw (2140), net–chess.com, 2006.

6.d4 e4

7.Nfd2 c5 8.d5 Bd7 9.bc5 dc5 10.Nc3 a6 11.a4 Bd6 12.g3 0-0 13.Qb3 Qc7 14.Ne2 Be8 15.Rb1 Nbd7 16.Bf6 Nf6 17.Qb7 Qa5 18.Qa8 Ba4 19.Qb7 Be5 20.Qb6 Qb6 21.Rb6 Bc3 22.Nc3 Ng4 23.Na4 g5 24.h3 Ne5 25.Nc5 f4 26.gf4 gf4 27.Rg1 Kh8 28.Rb7 fe3 29.fe3 a5 30.Rgg7 Nf7 31.Rgf7 Rf7 32.Rf7 a4 33.Ne6 h5 34.Ne4 a3 35.Nf6 a2 36.Rh7 1–0. 2165chess (1910) – dovator (1850), internet, 2014.

7.Nfd2 c5 8.d5 Bf7 9.b5 Nbd7 10.a4 g5 11.Nc3 a5 12.Be2 b6 13.g4+- Bg6 14.gf5 Bf5 15.Rg1 Bh6? 16.Nce4!+- Be4 17.Ne4 Qe7 18.Bh5 Kd8 19.Ng3 Bf8 20.Nf5 Qe4 21.Bg4 Rg8 22.Qe2 h5 23.f3+- Qe8 24.Bh3 Ne5 25.f4 gf4+/- 26.Rg8 Ng8 27.Be5 Qe5+= 28.Ra3 Bh6? 29.Nh6 Nh6 30.ef4 Qe2 31.Ke2+- Ra7 32.Re3 Rg7 33.Re6 Nf7 34.Kf2 Rg8 35.Rf6 (35.Rf6 Rf8 36.Be6+-) 1–0. Geisensetter,Kurt – Neymeyer, corr JBDDR'3972 DDR, 1981.

7.d5 Bf7 8.Nd4+/- Qd7 9.Nc3 Be7 10.a4 (10.Be2!?+/-) 10...0-0= 11.Be2 c5 (11...c6 12.0-0=) 12.bc5+= dc5 13.Nc2 Bd6 (13...a6 14.0-0+=) 14.Nb5 a6 (14...Be7 15.Be5 a6 16.Nc3+=) 15.Nd6 (15.Bf6 gf6 16.Nd6 Qd6+/-) 15...Qd6+= 16.a5 Nbd7 17.0-0 Ne5 18.Ne1 (18.h3 Rfb8+/-) 18...Neg4 (18...Nfg4 19.Be5 Qe5 20.g3+=) 19.g3+/- Ne5 (19...Rab8 20.Ng2+/-) 20.Qc2 (20.Ng2 g5+/-) 20...Nfd7 (20...Bh5 21.Ng2+/-) 21.Ng2 (21.Rb1 Rab8+/-) 21...Qh6 22.Nf4 (22.Rfb1!? Bh5 23.Be5 Ne5 24.Rb6+/- (24.Rb7? Be2 25.Qe2 Nf3 26.Kf1 Qh3-+)) 22...g5= 23.Ne6 Bh5?? (23...Be6 24.de6 Qe6 25.Rfd1=) 24.f4?? (better 24.Bh5 Qh5 25.f4 Nf3 26.Rf3 ef3 27.fg5+-) 24...ef3= 25.Bd3 (25.Nf8 fe2 (worse 25...Qf8 26.Bd1+/-) 26.Nd7 ef1Q 27.Rf1 Nd7 28.Qf5 Qd6 29.Qg5 Qg6-/+) 25...Bg6 26.Nf8 Rf8 27.Be5 (27.Ra3 g4+=) 27...Ne5 28.Rab1? (better 28.Ra3=) 28...Ng4?? (better 28...Qh3 29.Rf2 f4 30.Bg6 fe3 (30...hg6?! 31.gf4 gf4 32.e4=) 31.Bh7 Qh7 32.Qh7 Kh7-+) 29.Rf3+- Re8 (29...Qh5 30.Rbf1 (30.Rb7?! Nh2 31.Qh2 Qf3+/-) 30...Ne5 31.R3f2+-) 30.Rb7 Ne3 31.Re3! Re3 32.Qd2?? (better 32.Rb8!? Re8 33.Re8 Be8 34.Bf5 Bf7+-) 32...g4? (32...f4 33.Bg6 Qg6 34.Qb2 fg3 35.hg3 Re1 36.Kf2+/-) 33.Rb8 (better 33.Rb2!? f4 34.Bg6 Qg6 35.d6+=) 33...Kf7+/- 34.Qb2 (34.Rb2!? f4 35.Rb7 Kg8 36.Bg6 Qg6 37.Rb8 Kf7 38.Qf2+=) 34...Re1 35.Kf2?? (better 35.Bf1 Qe3 36.Qf2 Qf2 37.Kf2=) 35...Qe3 36.Kg2 Qg1 (36...Rg1) 0-1. IgnacioCavadini (2155) - d4ne (2260), Rated Bullet tournament, lichess.org, 2016.

7.d5 Bf7 8.Nd4 g6 9.a3 Bg7 10.Be2 0-0 11.0-0 Nbd7 12.Nd2 Ne5 13.N2b3 Re8 14.Rc1 c6 15.dc6 Nc6 16.Nb5 d5 17.c5 Qe7 18.Nd6 Red8 19.b5 Ne5 20.Be5 Qe5 21.Nb7 Rdc8 22.Nd6 Rd8 23.Nf7 Kf7 24.Nd4 1–0. polynesia46 (1685) – paroubek, internet, 2014.

7.Ng5 Qd7 8.Ne6 Qe6 9.Be2 Be7 10.b5 Nbd7 11.a4 0-0 12.Nc3 Kh8 13.g3 d5 14.cd5 Nd5 15.Nd5 Qd5 16.0-0 Bd6 17.Qc2 Rf6?? (better is 17...Qf7+=) 18.Bc4+-. orangutandu – yochkata59, internet, 2013.

7.Ng5 Bd7 8.Nh3 Nc6 9.b5 Ne7 10.Nd2 Ng6 11.Be2 c6 12.a4 Be7 13.0-0 0-0 14.f3 d5 15.Qb3 Be6 16.Ng5 Bf7 17.Nf7+= Rf7 18.Rf2 Qc7 19.cd5 cd5 20.Rc1 Qd7 21.Ba3 Rc8 22.Rc8+= Qc8 23.fe4 fe4 24.Ne4 de4 25.Be7 Ne7 26.Bc4 Qf8 27.Rc2 Ne8 28.Rf2 Nf6 29.g4 h6 30.Kf1 Nc8 31.h3 (31.Bf7 Qf7 32.Qf7 Kf7=) ½–½. Labahn,Tomas – Muller,Hans, Verbandsklasse, 1989.

7.Ng5 Bg8 8.Nc3 h6 9.Nh3 Qe7 (9...g5 10.d5+=) 10.Nf4 Nbd7?? (better 10...Bf7+=) 11.Ng6+- Qf7 (11...Qd8 12.Nh8 d5 13.c5+-) 12.Nh8 Qh5 13.Qh5 Nh5 14.Ng6 Kf7 15.Nf8 Rf8 (15...Kf8 16.d5+-) 16.Be2 (better 16.Nb5+-) 16...Bh7 (16...Nhf6+-) 17.Bh5 g6 18.Be2 1-0. ClayPigeons (2060) - edgeZone (1945), Rated Bullet game, lichess.org, 2020.

7.Ng5 Bg8 8.d5 h6 (8...Nd5!? 9.cd5 Qg5=) 9.Nh3+= Bf7 10.Nc3 Nbd7 11.Be2 Ne5 12.0-0 Be7 13.Nf4 0-0 14.Ne6 (14.Nb5!?+=) 14...Be6= 15.de6 Qc8 (15...c6!?=) 16.Nd5+= Qd8 17.c5 (worse is 17.Ne7 Qe7 18.Qd4 Qe6+=) 17...dc5? (17...Nc6 18.Bc4 Nd5 19.Bd5 dc5 20.bc5+=) 18.Be5?? (better is 18.Ne7 Qe7 19.Be5 cb4 20.Rc1+-) 18...Qd5= 19.Qd5 Nd5 20.bc5 Bc5 21.Rad1 c6 22.Bc4 Ne7 23.Rd7 b5 24.Bb3 Rfd8 25.Rfd1 Nd5?? (25...Rdc8 26.Bb2 Kf8 27.Rc1=) 26.R7d5 (better is 26.R1d5 cd5 27.Bd5+-) 26...cd5+= 27.Rd5 Rd5 28.Bd5 Re8 29.e7? (better is 29.Bc6 Rd8 30.Bd4–/+) 29...Kh7–+ 30.Be6 (30.Kf1–+) 30...Re7 31.Bf5 g6 (31...g6 32.Be4 Re5–+) 0–1. polynesia46 (1630) – fulzbych, internet, 2013.

7.Ng5 Bg8 8.Be2 d5 9.c5 g6 10.h4 Bg7 11.Nc3 Nc6 12.Qa4 h6 13.Ba6 Qc8 (13...hg5? 14.Bb7 Rb8 15.Bc6 Kf8 16.b5+- (worse is 16.Qa7 Rb4 17.Bc1 Rb8+/-)) 14.Nh3 Bf7 15.Ne2 ba6 16.Qc6 Ke7 17.Qa4 Rb8 18.Rc1 Be8 19.c6 Rb6 20.Rc5 Kf7 21.Nhf4 Bf8 22.h5 g5 (22...Bc5 23.hg6 Ke7 24.dc5 Rc6 25.b5 ab5 26.Bf6 Rf6 27.Nd5 Kf8 28.Qd4+-) 23.Ng6 Rg8 24.Nf8 Rf8 25.Nc3 White prepares the advance b5 25...Qe6 26.b5 Kg7 27.Bc1 Bf7 (27...Rf7 28.Qa5–/+) 28.Qc2 (better is 28.Qa5!?=) 28...ab5–/+ 29.Nb5 a6 30.Nc3 Be8 31.Ba3 Rf7 32.0-0 Bc6 33.Rc1 Be8 34.Ne2 Rb7 35.Ng3 (35.Nc3!?–/+) 35...f4–+ 36.ef4 gf4 37.Ne2 Nh5 (better is 37...Qg4 38.f3 ef3 (38...Qh5?! 39.Nf4 Qf5 40.g3–/+) 39.Qg6 Qg6 40.hg6 Kg6 41.gf3 Kf5–+) 38.Qd2?? (better is 38.Nc3 Nf6 39.Qe2–+) 38...f3 39.g3 (39.Rd5 Qd5 40.Rc5–+) 39...Qh3 0–1. Prasannaa,S (2170) – Krishna,CRG (2340), Bhopal IND, 2013. (=1.c4 f5 2.b4 e5 3.Bb2 d6 4.e3 Be6 5.Nf3 Nf6 6.d4 e4)

7.Nfd2 c6

8.a3 d5 9.cd5 cd5 10.Nc3 Nc6 11.Be2 Bd6 12.Bh5 g6 13.Be2 a6 14.0-0! f4 15.Qc2 Qc7 16.Rac1 fe3 17.fe3 Bh2 18.Kh1 Bg3 19.Nb3 Qg7 0–1. vihavald – diab777diab (1815), internet, 2014.

8.a3 d5 9.cd5 cd5 10.Nc3 Bd6 11.h3 0-0! 12.Rc1 a6 13.Be2 Nc6 14.0-0! f4 15.ef4 Bf4 16.Na4 Nh5 17.Bh5 Qg5 18.Bg4 Bg4 19.hg4 Bd2 20.Rc2 Bf4 21.Nc5 Bd6 22.Ne6 Qh4 23.g3 Bg3 24.fg3 Qg3 25.Rg2 Qe3 26.Kh1 Rf3 27.Rf3 ef3 28.Rg3 Qh6 29.Kg1 f2 30.Kf2 Qe6 31.Qd3 Rf8 32.Kg2 Qf6 33.Rf3 Qf3 34.Qf3 Rf3 35.Kf3 Kf7 36.Kf4 Kf6 37.g5 Kg6 38.Bc3 h5 39.gh6 Kh6 40.Kf5 g5 41.Bd2 Nd4 42.Ke5 Nf3 43.Kd5 Nd2 44.b5 g4 45.ba6 ba6 46.Kc5 g3 47.Kb6 g2 48.Ka6 g1Q 49.a4 Qb1 50.a5 Nc4 51.Ka7 Qb5 52.a6 Qb6 53.Ka8 Nd6 54.a7 Qb7 0–1. vihavald (1655) – cosic, internet, 2013.

8.Nc3 Be7

9.Qb3 0-0 10.Be2 Kh8 (10...d5 11.0-0=) 11.0-0 (11.d5 Bf7=) 11...Nbd7 (11...d5 12.c5=) 12.f3 d5 (12...ef3 13.Rf3 d5 14.Raf1=) 13.fe4 (13.cd5 Bd5 14.Nd5 cd5=) 13...fe4= 14.cd5 (14.a3 Bd6=) 14...Nd5 (14...Bd5 15.Nd5 cd5 16.Rac1=) 15.Nde4+= Bb4 (15...Bg8 16.Nd5 Bd5 17.Qd3 Bb4 18.Rf8 Bf8 19.Nc3=) 16.Nd5 Bd5 17.Qb4 Rf1 18.Rf1 Be4 19.g3 (19.Rf4 Bd5+=) 19...Nf6= 20.a4 (20.d5 Bd5 (20...Qd5? 21.Rf6 c5 22.Qc3+-) 21.Bf6 gf6 22.Qb7 c5+=) 20...Qd7 (20...b6 21.Bc4=) 21.a5 h6 (21...Re8 22.Qc5=) 22.d5+= Qd5?? (better is 22...cd5 23.Bf6 gf6 24.Rf6 Qg7+=) 23.Rf6+- (23.Qb7?! c5 24.Qd5 Nd5+-) 23...gf6 24.Bf6 Kh7 (24...Kg8 25.Qb7 Qf7 26.Qa8 Qf8 27.Bc4 Bd5 28.Qc6 Bc4 29.Qc4 Qf7 30.Qg4 Kh7 31.Qe4 Kg8+-) 25.Qe7 Kg6 26.Qg7 Kf5 27.Bg4 1–0. Janek – Vassileos, internet free game, 2017.

9.Qb3 b5 10.a4 a6 11.ab5 cb5 12.Nb5 Qb6 13.Qa4 Bd7 14.Qb3 Be6 15.Nc3 0-0 16.Be2 Nbd7 17.0-0 Rfb8 18.Ra4 Qc7 19.b5 ab5 20.Ra8 Ra8 21.Nb5 Qa5 22.Ra1 Qa1 23.Ba1 Ra1 24.Nf1 Ng4 25.Qb2 Ra4 26.Nc7 Bc4 27.Bc4 Rc4 28.Qb3 d5 29.Nd5 Rc1 30.Ne7 Kf8 31.Nf5 Ngf6 32.Qa3 Kf7 33.Qc1 1–0. Trkn – neilcousin, itsyourturn.com, 2000.

9.Qb3 Qc8 10.d5 cd5 11.cd5 Bf7 12.Bb5 Nbd7 13.0-0 a6 14.Bd7 Qd7 15.Nc4 (better is 15.f3!? ef3 16.Nf3+=) 15...Nd5+= (15...Bd5? 16.Nd5 Nd5 17.Bg7+-) 16.Nd5 Bd5 17.Bg7? (better is 17.Rfd1 Be6 18.Qc3–/+) 17...Rg8–+ 18.Bb2 (18.Rfd1 Bc4 19.Qc4 Rg7 20.Qd4–+) 18...b5 (better is 18...Qe6 19.Nd6 Qd6–+) 19.Nb6 Qb7?? (better is 19...Bb3 20.Nd7 Bc4–+) 20.Nd5+- (worse is 20.Qd5 Qd5 21.Nd5 Bd8+-) 20...Rc8 (20...Rg6+-) 21.Nf6 Bf6 22.Qg8 Kd7 23.Qh7 Be7 24.Bf6 Re8 (24...Ke6 25.Bg5! Rf8 26.f3 ef3 27.Rf3+-) 25.Rfd1 Ke6 26.Be7 Re7 (26...Qe7 27.Qg6 Kd7 28.Qf5 Kd8+-) 27.Qg6 Ke5 28.Rac1 (28.Qd6) 28...Re6 (28...Rd7 29.Qg3 Ke6 30.Qg8 Kf6 31.Qf8 Kg5 32.f4 ef3 33.h4 Kg6 34.Rd6 Rd6 35.Qd6 Kg7 36.Rc7 Qc7 37.Qc7 Kf6 38.Qd6 Kf7+-) 29.Qg3 Kf6 30.Rd6 Rd6 31.Qd6 Kg5 32.Rc6 Qg7 (32...Qc6 33.Qc6 f4 34.ef4 Kf5 35.h3 e3 36.fe3 a5 37.g4) 33.Qf4 (33.Qg3 Kh5 34.Qg7 f4 35.Rh6) 33...Kh5 34.Qf5 Kh4 (34...Qg5 35.Qh7 Qh6 36.Rh6 Kg5 37.Qg6) 35.g3 Qg3 36.hg3# 1–0. barborski – tatrus81 (1660), internet, 2013.

9.Qb3 Bf7 10.Be2 0-0 11.a4 Na6 12.b5 Nc7 13.0-0 d5 14.cd5 Bd5 15.Bc4 Kh8 16.Ba3 Ba3 17.Qa3 Ne6 18.Bd5 cd5 19.Ne2 g5 20.Rac1 f4 21.f3 Qe8 22.ef4 Nf4 23.Nf4 gf4 24.fe4 Ne4 25.Nf3 Qh5 26.Qe7 Rae8 27.Qb7 Rg8 28.Rc2 Rg7 29.Qa6 h6 30.a5 Reg8 31.Qe6 Kh7 32.Ne1 Re8 33.Qc6 Ng5 34.Qc3 Re3 35.Qd2 Qe8 36.Kh1 Ne4 37.Qc1 Qb5 38.Rf4 Re2 39.Re2 Qe2 40.Kg1 Re7 41.Nf3 Qf2 42.Kh1 Qe2 43.Kg1 Rg7 44.Ne1 Rb7 45.Rf1 Re7 ½–½. K Mueller – Guenther, 1973.

9.Qc2 Nbd7 10.a3 Qc7 11.Be2 Bf7 12.Rc1 Be6 13.h3 Bf7 14.b5 c5 15.dc5 Nc5 (15...Qc5 16.g4 Bg6 17.g5+-) 16.0-0 0-0-0 (better is 16...0-0!?=) 17.Rfd1+/- h6 18.a4 g5 19.Ba3 (19.Nd5 Nd5 20.cd5 Rhg8+/-) 19...g4? (better is 19...Kb8!?+=) 20.hg4+/- Ng4 21.Bg4 fg4 22.Nce4 (22.Nd5 Bd5 23.cd5 g3 24.fg3 Bg5 25.Bc5 dc5 26.Qc5 Qc5 27.Rc5 Kb8+-) 22...Ne4? (22...Bg6 23.Rb1+=) 23.Ne4 Bg6 24.Nd6?? (better is 24.c5 d5 25.b6+/-) 24...Bd6 25.Qg6 Bh2?? (better is 25...Ba3 26.Qg4 Kb8+=) 26.Kf1 (better is 26.Kh1 Be5 27.Qe6 Kb8 28.Be7 (28.Qg4?! Qf7+-) 28...Rd1 29.Rd1+-) 26...Rd1+/- 27.Rd1 Qc4 28.Qd3 Qd3 29.Rd3 Rd8? (better is 29...Be5+-) 30.Rd8 Kd8 31.g3 h5 32.Kg2 Kd7 33.Kh2 1–0. ognos (1640) – migrobel, internet, 2012.

9.Be2 0-0 10.0-0 Nbd7 11.Qb3 Bf7 12.Rfc1 d5 13.b5 Bd6 14.bc6 bc6 15.Ba3 Qe7 16.Bd6 Qd6 17.cd5 Rfb8 18.Qa4 Nd5 19.Nd5 Bd5 20.Nc4 Qe6 21.Qa3 g5 22.Rc2 f4 23.Rac1 f3 24.Bf1 Kh8 25.g3 h5 26.Qa5 Rb7 27.Qa6 Rab8 28.Qa3 Kg7 29.Kh1 Kh8 ½–½. Trokenheim – Bennett, email CTON 1996–97.

9.Be2 0-0 10.0-0 Kh8 11.f3 d5 12.Qb3 Na6 13.a3 Nc7 14.fe4 fe4 15.c5 Qd7 16.Rf2 Ng4 17.Bg4 Bg4 18.Raf1 Rf2 19.Rf2 Bg5 20.Ne2 Ne6 21.Bc1 Rf8 22.Rf8 Nf8 23.Nf4 Bf4 24.ef4 Qf5 25.Qg3 (25.h3 Be2 26.Qe3 Bb5+=) 25...Bh5 (better is 25...Ne6!?–/+) 26.Nf1 Ne6 27.Qe3 (27.Qh4 Qf7 28.Be3 Be2=) 27...h6 (27...Qf6!?–/+) 28.h3 Bg6 (better is 28...Qf6!?+=) 29.g4+= Qf6 30.f5 Bf5 31.gf5 Nd4 32.Ng3 Nf3 33.Kf2 Qa1 34.Nh5 Qa2 35.Qe2 Qa1?? (35...Qe2 36.Ke2 Nd4 37.Kd2 Nf5 38.Nf4=) 36.Qe3?? (better is 36.Qb2 Qb2 37.Bb2+-) 36...Qa2 37.Qe2 Qb1?? (better is 37...Qe2 38.Ke2 Nd4 39.Kd2 Nf5=) 38.Qe3?? (better is 38.Qb2 Qb2 39.Bb2+-) 38...Qc2–+ 39.Kf1 Nh2 40.Kg1 Nf3 41.Kf1 Qh2 42.Nf4 Qh1 43.Kf2 Qh2 44.Ng2 Qh3 45.f6 gf6 0–1. barborski – iszkariota, internet, 2013.

9.Be2 d5 10.Qb3 Nbd7 11.0-0 Nb6 12.c5 Nbd7 13.f3 0-0 (13...ef3!? 14.Rf3 b6+=) 14.fe4+/- fe4 15.Nce4! Ne4 (15...de4 16.Qe6 Double attack (16.Qe6 Pinning; 16.Qe6 Deflection; 16.Qe6 Decoy); 15...Ne4 16.Ne4 Combination) 16.Ne4 Nf6 17.Ng5 Bg4 18.Rae1 h6 19.Bg4 Ng4 20.Ne6 Rf1 21.Rf1 Qb8 22.g3 Nf6 23.Nf4 Ne4?? (23...Qd8 24.Nd3+/-) 24.Qd1 (better is 24.Nd5 cd5 25.Qd5 Kh8 26.Qe4+-) 24...Bg5 25.Qg4 Qc8 26.Qe6 (better is 26.Qc8!? Rc8 27.Bc1+=) 26...Qe6+= 27.Ne6 Be3 28.Kg2 Ng5 29.Ng5 Bg5 30.Bc1 Bc1 31.Rc1 Re8 32.Kf3 Kh7 33.Rd1 g5 34.g4 Kg6 35.Rd3 Re4 36.h3 Kf6 37.a4 Ke6 38.Re3 Re3 39.Ke3 Kd7 40.b5 Kc7 41.Kd3 b6 42.Kc3 Kb7 43.Kb4 Kc7 (43...cb5 44.ab5 Kc8 45.Ka4+/-) 44.a5 (better is 44.cb6!? ab6 45.a5 cb5 46.Kb5 ba5 47.Ka5+-) 44...ba5+= 45.Ka5 cb5 (45...cb5 46.Kb5 Kb7+=). barborski (1630) – konik205 (1640), internet, 2013.

9.Be2 d5 10.Qb3 Nbd7 11.0-0 Nb6 12.c5 Nbd7 13.f3 Bf7 14.fe4 fe4 15.Nce4?? (better is 15.Rab1=) 15...de4–+ 16.Bc4 Bd5 17.Rf5 Nf8 18.Raf1 Qd7 19.Re5 0-0-0 20.Rff5? (better is 20.Bd5 cd5 21.Ref5–+) 20...Ng6 21.Rd5 (21.Bd5 cd5 22.Rf1 Ne5 23.de5–+) 21...cd5 (21...cd5 22.Rf2 dc4 23.Nc4 Nd5–+) 0–1. barborski (1605) – konik205 (1670), internet, 2013.

9.Be2 Nbd7 10.0-0 d5 11.c5 =.

9.Be2 Nbd7 10.0-0 g5 11.Qb3 h5 12.d5 cd5 13.Nd5 Bd5 14.cd5 Qb6 15.Bd4 Qd8 16.g3 (16.f3 0-0+-) 16...h4 (16...g4 17.Bb5+=) 17.Rfc1 (17.g4 Rf8 18.gf5 g4+/-) 17...hg3 18.fg3 Ne5 19.Qb2 (better is 19.Bb5 Kf8 20.Rf1+/-) 19...Nfg4?? (better is 19...a6=) 20.Bg4+- fg4 21.Be5 de5 22.Qe5 Rh3 (22...Rh6+-) 23.Ne4 Qb6 24.Rc4 (better is 24.Rf1 Rh6 25.d6 Rd6 26.Nd6 Qd6 27.Qh8 Bf8 28.Qh5 Kd7 29.Rad1+-) 24...Qe3= 25.Nf2?? (better is 25.Kf1 Qf3 26.Kg1 Qe3 27.Kh1 Qf3 28.Kg1 Qe3=) 25...Qe5–+ 26.Rd1 Rg3! 27.hg3 Qg3 28.Kf1 Kd7 29.Rg4 Qd6 30.Ne4 Qa6 31.Kg2 Qa2 32.Rd2 Qa6 33.d6 Bd8?? 34.Nc5+- Ke8? 35.Na6 ba6 36.d7 Kf7 37.Re4 Kg6 38.Re8 Bb6 39.d8Q Bd8 40.Rdd8 Rd8 41.Rd8 a5 42.ba5 Kf5 43.Ra8 1–0. barborski – migrobel (1665), internet, 2013.

9.Be2 Nbd7 10.0-0 h5 11.f3 g5? (better is 11...ef3 12.Nf3 Ng4+/-) 12.fe4+- fe4 13.Nce4 Qc7? (13...Bg4 14.Ng5 d5 15.a3+-) 14.Ng5 (better is 14.d5 cd5 15.Nf6 Bf6 16.Bf6 Nf6 17.Rf6 Qe7+-) 14...Bg8 15.e4 0-0-0 16.e5! Ng4 (16...de5 17.a3 Decoy) 17.Bg4+- hg4 18.Qg4 (18.Nf7!? Bf7 19.Rf7 Rde8+-) 18...de5 19.Ne6 (better is 19.de5 Bg5 20.Qg5 Qb6 21.Rf2 Rh2 22.c5 (22.Kh2?! Qf2 23.Rf1 Qe2+/-) 22...Qb4 23.Kh2 Qb2 24.Re1+-) 19...Be6= 20.Qe6 ed4 21.g3 (21.Nf3 Bd6 22.h3+= (22.Bd4?? Bh2 23.Kh1 Be5 24.Kg1 Bd4 25.Nd4 Qh2 26.Kf2 Qh4 27.Ke3 Rde8–+)) 21...Bb4–/+ 22.Nf3 Rde8 23.Qg4 Rhg8 24.Qh3 (24.Qd4?? Bc5 25.Rae1 Re1 26.Re1 Qa5–+) 24...Bc3 25.Bc3 dc3 26.Nd4 Kb8 (better is 26...Qb6!? 27.Rf4 Rgf8 28.Rf8 Rf8–/+ (28...Qd4?! 29.Rf2=)) 27.Rf7= Rd8 28.c5 Qe5 29.Rd7 Qe3 30.Kh1 Qe4 31.Kg1 Qe3 32.Kh1 Rd7?? 33.Qd7+- Qe4 34.Kg1 Qe3 35.Kg2 Qd2?? 36.Kh1+- c2?? 37.Nc6! bc6 38.Qd2 Kc7 39.Qc2 Rd8 40.Rd1 Re8 41.Qh7 Kb8 42.Rd7 Re1 43.Kg2 Re2 44.Kh3 Rb2 45.Qg8 1–0. barborski – migrobel (1670), internet, 2013.

9.Be2 Nbd7 10.Qc2 a5 11.b5 cb5 12.cb5 Rc8 13.a4 Qc7 14.Rc1 0-0 15.0-0 Nb6 16.Ba3 Nc4?? (better is 16...Qd7=) 17.Nc4+- Bc4 18.Qb2?? (18.Ne4!? fe4 19.Qc4 Qc4 20.Bc4 d5 21.Be7 dc4 22.Bf8 Kf8+-) 18...Bf7? (better is 18...Be2!? 19.Qe2 Qd7=) 19.Ne4!+/- Qd7 (19...fe4 20.Rc7 Discovered attack; 19...Ne4 20.Rc7 Discovered attack) 20.Ng5 b6 (20...Bd5!?+/-) 21.Nf7+- Rf7 22.Rc8 Qc8 23.Rc1 Qd7 24.Qc3 (24.Rc6 f4 25.ef4 Qd8+-) 24...Ne4? (24...d5+-) 25.Qc7 Qc7 26.Rc7 Bh4 (26...Bd8 27.Rc8 Rd7 28.Bc4 d5+-) 27.g3 (27.Rc8 Bd8 28.Rd8 Rf8 29.Bc4 d5 30.Rf8) 27...Rc7–+ 28.gh4 Rc2?? (better is 28...Rc3 29.f3 Re3 30.fe4 Ra3–+ (30...Re2?! 31.ef5 Rd2 32.Bd6–+)) 29.Bf3 Nf2 30.Bd6 Ne4 31.Bb8 Nc3 32.h5 Na4 33.Bd5 Kh8 34.Bb3 Rc1 35.Kf2 Nc3 36.Ba7? a4 37.Be6 Ne4 38.Kf3 Nd2 39.Kf4? a3 40.Bb6 Nc4 41.Bc5 a2 42.b6 a1Q 43.Kf5 Ne3 44.Ke5 Rb1 45.h3 Nc2 46.Bd5 Na3 47.Kd6 Qc3 48.b7 Qg3 49.Kd7 Nb5 50.Bd6 Qh3 51.Be6–+ Qh5 52.b8Q 1–0. ognos (1665) – silverburak, internet, 2012.

7.Nfd2 d5

8.a3 c6 9.Nc3 Bd6 10.Qb3 0-0 11.Be2 (11.b5 Nbd7=) 11...f4 (11...Nbd7 12.c5 Bb8 13.b5 cb5 14.Bb5=) 12.cd5+= cd5 (12...Nd5 13.Nce4 fe3 14.fe3+=) 13.0-0 (13.ef4 Bf7=) 13...fe3 (13...Qd7 14.Rac1+=) 14.fe3 (better is 14.Nde4 Ne4 15.Ne4 ef2 16.Nf2=) 14...a6 (better is 14...Qd7!?=) 15.Nde4+= Ne4 (15...de4 16.Qe6 Double attack (16.Qe6 Pinning; 16.Qe6 Deflection; 16.Qe6 Decoy); 15...Ne4 16.Rf8 Double attack) 16.Rf8 Kf8 17.Ne4 1–0. Janek – Gutes, internet free game, 2017.

8.a3 c6 9.cd5 Bd5 10.Nc3 Bd6 11.Rc1 0-0! 12.g3 Nbd7 13.Be2 Nb6 14.0-0! g5 15.Na4 Na4 16.Qa4 f4 17.ef4 gf4 18.Bc4 Bc4 19.Nc4 f3 20.Nd6 Qd6 21.Qb3 Kh8 22.Rc5 Qd7 23.Kh1 Qh3 24.Rg1 Ng4 25.d5 Nf6 26.dc6 Rad8 27.c7 Rc8 28.Qd5 h6 29.Qe4 Kg8 30.Qc4 Kh7 31.Qd3 Kg8 32.Qf3 Ng4 33.Qd5 Kh7 34.Qg2 Nf2 35.Qf2 Rf2 0–1. vihavald (1675) – papa222, internet, 2014.

8.c5 a5 9.b5 Nbd7 10.Be2 c6 11.b6 Be7= 12.Nc3 0-0 13.0-0 g5 14.Na4 f4 15.Nb3 Rf7 16.Qd2 h5? 17.Na5 f3 18.gf3+/- ef3 19.Bf3 Bh3 20.Bg2 Ne4 21.Qe1+- Bg2 22.Kg2 Qf8 23.f3 Nef6 24.Qb4 Qh6 25.Nb7 g4 26.f4 Ne4 27.Nc3 h4? 28.Ne4 de4 29.Nd6 h3 30.Kh1 Bd6 31.cd6 Rb8 32.a4 Rb6 33.Qa3 Nf6 34.a5 Ra6 35.Qc5 Nd5 36.Bc1 Rd7 37.Rg1 Qe6 38.Bd2 Kf7 39.Rg3 Kg6? 40.Qc4 Rda7 41.Rag1 Kh5 42.Qe2 Nf6 43.Rb1 Qd6 44.Qc4 Nd5 45.Qe2 Nf6 46.Rh3 Kg6 47.Rh8 Ra8 48.Ra8 Ra8 49.Rb6 Rb8 50.Rb8 (50.Rb8 Qb8 51.Kg2+-) 1–0. VELEROFONTIS – Qaurial, playchess.de, 2001.

8.c5 c6 9.Be2 Be7 10.Nc3 0-0 11.0-0 Qc7 12.Qb3 Bf7 13.f4 Ng4 14.Nd1 Kh8 15.Nf2 Nh6 16.a4 Rg8 17.Nh3 Nd7 18.Ng5 Bg6 19.Ne6 Qc8 20.a5 Nf8 21.Nf8+= Bf8 22.b5 Be8 23.a6 b6? 24.cb6+- ab6 25.Rfc1 g5 26.fg5 Rg5 27.bc6 Bc6 28.Qb6 Rg6 29.Bb5 Rb8 30.Rc6 Rc6 31.Qc6 Qd8 32.a7 Ra8 33.Qa8! Qa8 34.Bc6!! Qc6 35.a8Q Qf6 36.Ra6 (36.Ra6 Qf7 37.Ba3+-) 1–0. Registration (2385) – DaChessCrusha (2005), ICC, 2003.

8.c5 Be7 9.Be2 0-0 10.0-0 c6 11.Nc3 Qe8 12.b5 Qg6 13.Qa4 f4 14.ef4 Bh3–/+ 15.g3 Nh5 16.Bh5 Qh5 17.Rfe1 Bf6 18.Rab1 Kh8 19.Ba1 a5 20.a3 Bf5 21.bc6 bc6 22.Nf1 Bg4 23.Nd1 g5 24.fg5 Bg5 25.Bc3 Bh3 26.Nde3 Qf3= 27.Qc2 Qf7 28.Rb6 Bd8 29.Rb2 Na6 30.Ng2 Qf3 31.Nfe3 Nc7 32.Rb7 a4 33.Bb2 Ne6 34.Re2= Qh5 35.Bc3. wiking – mister_pawn, internet, 2009.

8.cd5 Nd5 9.a3 Bd6 10.g3 0-0! 11.Nc3 c6 12.Rc1 Nd7 13.Na4 N7b6 14.Nc5 Qe7 15.Nc4 Nc4 16.Bc4 Rac8 17.0-0! h5 18.Qb3 h4 19.Ne6 Qe6 20.Rc2 Rf6 21.Rfc1 Rcf8 22.Bd5 cd5 23.a4 h3 24.b5 f4 25.ef4 Rg6 26.Qe3 Bf4 27.Qe1 Qg4 28.Rd1 Qf3 29.Qf1 e3 30.Rd3 Qe4 31.Rdc3 Re8 32.Rc8 Rc8 33.Rc8 Kh7 34.Qh3 Rh6 35.Qf1 e2 36.Qe1 Bd2 37.Qd2 e1Q 38.Qe1 Qe1 39.Kg2 Qe6 40.Rc3 Qh3 41.Kg1 Qh2 42.Kf1 Qh1 43.Ke2 Qe4 44.Kd2 Qd4 45.Ke2 Re6 46.Kf1 Qd1 47.Kg2 Re2 48.Rf3 Qd2 49.Be5 Re5 50.g4 d4 51.Kg3 d3 52.g5 Qg5 53.Kh2 Qg4 54.Rh3 Rh5 55.f3 Rh3 0–1. vihavald (1700) – garygery, internet, 2014.

7.Nfd2 Be7

8.a3 c6 9.Be2 0-0! 10.Nc3 d5 11.0-0! Nbd7 12.Rb1 b6 13.Rc1 h6 14.cd5 Nd5 15.Nb3 Rc8 16.Nd5 Bd5 17.Nd2 Bg5 18.Nc4 Qe7 19.Ne5 Ne5 20.de5 Qe6 21.Qa4 Rc7 22.b5 c5 23.Rfd1 f4 24.ef4 Bf4 25.g3 Bc1 26.Rc1 Qh3 27.Qd1 Rd7 28.Bg4 Be6 29.Bh3 Rd1 30.Rd1 Bh3 31.Re1 Rd8 32.e6 Be6 33.Be5 Bd5 34.f4 ef3 35.Kf2 Re8 36.Re3 g5 37.h3 h5 38.g4 hg4 39.hg4 Kf7 40.a4 c4 41.a5 ba5 42.Bd4 Re3 43.Be3 a4 44.Ba7 Ke6 45.Ke3 a3 46.Bd4 a2 0–1. vihavald (1650) – chrisior, internet, 2013.

8.a4 0-0 9.h3 c6 10.Nc3 d5 11.c5 Kh8 12.Be2= Qc7 13.g3 Nbd7 14.a5 b5 15.Qc2 a6 16.0-0-0 Rg8 17.Rdg1 g5 18.Qd1 Raf8 19.Kc2 f4=+ 20.Bg4 Ng4–/+ 21.hg4 f3 22.Nce4= Bg4 23.Nc3+= Qd8 24.Na2 Bf5= 25.Kb3 Bf6 26.Nc1 g4=+ 27.Qf1 Nc5?? 28.dc5+- Bb2 29.Kb2 Qf6 30.Ka2 Qc3+/- 31.Ncb3 Qb4 32.Qa1 Rg7 33.Qd4 Qa4 34.Qa4+- ba4 35.Nd4 Bd7 36.Rb1 Ra8 37.Rh6 Rg6 38.Rg6 hg6 39.Rb7 Rd8 40.Rc7 Bf5 41.Nc6 Re8 42.Ka3 Bd3 43.Nb4 Bc4 44.Nc4 dc4 45.Rd7 Rg8 46.c6 (46.c6 Rc8 47.c7 Rc7 48.Rc7+-) 1–0. Blasig,Volker (1855) – Thill,G (1725), Open96, 1996.

8.Nc3 0-0 9.d5 Bf7 10.Be2 Nbd7 11.0-0 c5 12.a3 b6 13.Qc2 Ne5 14.f3 ef3 15.Nf3 Nfd7 16.Ne5 Ne5 17.Rf5 Bg6 18.Bd3 Nd3 19.Qd3 Rf5 20.e4 Rg5 21.Ne2 Bf6 22.Bc3 Bc3 23.Nc3 Qd7 24.Rf1 Re8 25.b5 Qg4 26.g3 Be4 27.Ne4 Qe4 28.Qd2 Qe3 0–1. ognos (1635) – adamp61, internet, 2014.

8.Nc3 0-0 9.Be2 d5 10.a3 c6 11.Qb3 Qc7 12.Rc1 f4? (better is 12...Rd8!?=) 13.cd5 Nd5?? (better is 13...Bf7+/-) 14.Nd5+- (14.Nde4?! Qd7 (14...fe3? 15.Nd5 ef2 16.Nf2 Bb4 17.ab4+-) 15.Nd5 Bd5+=; 14.Nce4?! fe3 15.fe3 Nf4=) 14...Bd5 15.Qd5!! cd5 16.Rc7 fe3 (16...Bh4 17.g3 (17.Rb7?! fe3 18.Nb3 Nc6+-) 17...fe3 18.fe3+- (worse is 18.gh4 ed2 19.Kd2 Rf2+-)) 17.fe3 Bd6 18.Rb7 Nc6 19.Bd1 Ne7 20.Bb3 Kh8 21.Rf1 Rf1 22.Nf1 (22.Nf1 Rd8 23.Ra7+-) 1–0. fryckh – jaqufe, internet, 2017.

8.d5 Bd7 9.Be2+= 0-0 10.0-0 c6 11.dc6 Nc6= 12.b5 Ne5 13.a4 Be6 14.Be5 de5=+ 15.Nb3 Qc7 16.Qc2 Rac8 17.N1d2=+ Rfd8 18.Rfd1 Bb4 19.h3 b6 20.g3 Nd5! 21.Qc1 Nc3–+ 22.Rf1?? Ne2 (22...Ne2 23.Kg2 Nc1 24.Rfc1 Bd2–+) 0–1. hal1958 – turm_schiefbahn, playchess.de, 2002.

8.Be2 0-0 9.0-0 Nbd7 10.Nc3 c6 11.b5 Rb8 12.a4 d5 13.c5 cb5 (13...f4!?=) 14.ab5+= Ra8 15.f3 (15.Qb3 Qe8+=) 15...h6 (better is 15...Nc5!? 16.dc5 Bc5 17.fe4 Be3 18.Kh1 fe4=) 16.Qb3+= ef3 17.Bf3 Increasing the pressure on the isolated pawn on d5 17...Ne4 (17...Re8!?+/-) 18.Nde4 fe4 19.Ne4! Nf6 (19...de4 20.Qe6 Double attack (20.Qe6 Pinning; 20.Qe6 Deflection; 20.Qe6 Decoy)) 20.Nf6 Bf6? (better is 20...Rf6 21.Ra3 Qd7+-) 21.e4 de4 (21...Qd7 22.ed5 Bf7+-) 22.Qe6 Kh8 23.Qe4 Re8 24.Qg4 Re3 (24...Re7 25.Kh1+-) 25.Bb7 Rb8 26.Bc6 (better is 26.Ra7 Rb3 27.Ba1 Rb5+-) 26...Qe7 (26...Rb3 27.Rf6! Qf6 28.Rf1+-) 27.Qd7 (27.Qf4 Rf8 28.Ra7 Qa7 29.Qe3 Qf7+-) 27...Qf8 (27...Qd7 28.Bd7 Re2 29.Rf6 gf6+-) 28.Ra7 Rd8 29.Qg4 Rd3 30.Be4 Bd4 31.Bd4 R3d4 32.Qg6 Qg8+- 33.Re7 Rd1 34.Ref7 R1d2 35.b6 (35.b6 R2d4 36.b7+-) 1–0. ognos (1655) – snoopy79, internet, 2013.

8.Be2 Nbd7 9.0-0 h5 (9...d5 10.c5=) 10.a4 g5 (10...d5 11.c5=) 11.f3 Ng4?? (better is 11...d5 12.fe4 fe4 (12...de4? 13.d5 Bf7 14.Rf5+-) 13.cd5 Bd5+/-) 12.fg4+- hg4 13.Ne4! fe4 14.Bg4 (better is 14.d5 Bf6 15.Bf6 (15.de6?! Bb2 16.ed7 Qd7+-) 15...Nf6 16.de6+-) 14...Bc4?? (better is 14...Bf7+-) 15.Bh5 Rh5 (15...Bf7 16.Rf7 Rh5 17.Qh5 Qc8+-) 16.Qh5 Bf7 17.Qf7 1–0. ognos – mar1, internet, 2013.

6.Be2 Nbd7

7.0-0 Be7 8.a4 0-0 9.d3 h6 10.Nbd2 g5 11.Nb3 g4 12.Nfd2 Qe8 13.Rc1 White prepares the advance c5 13...Qg6 14.c5 (14.d4 c6+=) 14...f4 15.ef4 ef4 16.Nd4 Bd5 17.Ne4 (17.Nb5 dc5 18.Nc7=) 17...Be4?? (better 17...dc5 18.Nc5 Nc5 19.bc5 f3 20.Nf3 gf3 21.Bf3 c6-+) 18.de4+/- f3 19.Bd3 (19.Bc4 Kh7 20.Be6 fg2 21.Kg2+-) 19...Ne4? (19...fg2 20.Kg2 Ne5+=) 20.Qc2?? (better 20.Qb3!? Rf7 21.Be4 Qe4 22.Rfe1+-) 20...Ndf6 (better 20...d5!? 21.Rfe1 fg2 22.Be4 de4 23.Qe4 Qe4 24.Re4 Kf7+=) 21.Ne6+/- Rfe8? (better 21...fg2 22.Rfe1 d5+/-) 22.Nc7+- d5 23.Na8 (23.Bf6 fg2 24.Rfe1 Qf6 25.Be4 de4 26.Re4 Kh8+-) 23...Ra8 24.g3 (24.Rfe1 Re8+-) 24...Qh5 25.Be4?? (25.Rfe1 Qh3 26.Bf1 Qh5+-) 25...de4 (better 25...Qh3 26.Bf3 gf3 27.Qg6 Kf8 28.Qh6 Qh6-+) 26.Kh1 Qh3 (26...Re8+-) 27.Rg1 h5 (27...Re8 28.Qb3 Kf8+-) 28.Bf6 Bf6 29.Qc4 (worse 29.Qe4 Kf8 30.c6 Re8 31.Qe8 Ke8+-) 29...Kg7 Black intends h4 30.Qe4 h4 (30...Rf8 31.Qb7 Rf7+-) 31.Qb7 Kg6 32.Qa8 hg3 33.fg3 (33.Rg3 Qh4 34.Rc4 Kf7 35.Rgg4 Qg4 36.Rg4 Bg5 37.Qd5 Ke7 38.Qg5 Kd7 39.Qf5 Kd8 40.Rg7 a6 41.Qd7) 33...f2 34.Qe4 Kf7 35.Qd5 Kg6 36.Qd3 Kg7 37.Qd7 Kh6 38.Rgf1 Be5 39.Rf2 Bg3 40.Rcf1 (40.Rf6 Kg5 41.Qg7 Kh5 42.Qh6) 40...Bf2+- 41.Rf2 g3 42.Qf5 (42.Rf6 Kh5 43.Qh3 Kg5 44.Qf5 Kh4 45.Rh6) 42...Kg7 43.Qh3 (43.Qg5 Kh8 44.Rf8 Kh7 45.Rf7 Kh8 46.Qd8) 43...gf2 44.Qg3 (44.c6 f1R 45.Qf1 a5 46.c7 Kg6 47.c8Q ab4 48.Qff5 Kg7 49.Qcf8) 44...Kf6 45.Qf2 Ke7 46.Kg2 Kd7 (46...a6 47.c6 a5 48.c7 Kd7 49.Qc5 Ke6 50.c8Q Kf7 51.Q8f5 Ke8 52.Qcf8) 47.Qf3 (47.Qf7 Kc6 48.Qe6 Kc7 49.c6 Kb6 50.Qd7 a6 51.Qb7) 47...Kc7 (47...Ke7 48.c6 Ke6 49.c7 Kd7 50.Qf7 Kc8 51.Qe7 Kb7 52.Qd8 a6 53.c8Q Ka7 54.Qcd7) 48.Kg3 (48.Qf7 Kc6 49.Qe6 Kc7 50.c6 Kb6 51.Qd7 a6 52.Qb7) 48...a6 (48...Kd7 49.Qf7 Kc6 50.Qe6 Kc7 51.c6 Kb6 52.Qd7 a6 53.Qb7) 49.Kg4 (49.Qf7 Kc6 50.Qe6 Kb7 51.Qd7 Kb8 52.c6 Ka8 53.Qb7) 49...a5 (49...Kd7 50.Qf7 Kc6 51.Qe6 Kb7 52.Qd7 Kb8 53.c6 Ka8 54.Qb7) 50.h4 (50.Qf7 Kc6 51.Qe6 Kc7 52.Qd6 Kb7 53.Qd7 Kb8 54.c6 ab4 55.Qb7) 50...ab4 (50...Kd7 51.Qf7 Kc6 52.Qe6 Kc7 53.Qd6 Kb7 54.Qd7 Kb8 55.c6 ab4 56.Qb7) 51.Qf7 (51.Qd1 Kb7 52.Qd7 Ka8 53.c6 b3 54.Qb7) 51...Kc6+- 52.Qb3 Kc5 53.h5 Kd4 54.h6 Ke5 55.h7 Kf6 (55...Kd6 56.Qb4 Kc6 57.Qb5 Kd6 58.h8Q Ke7 59.Qhe5 Kd8 60.Qbe8) 56.h8Q Ke7 57.Qh5 (57.Qd5 b3 58.Qhd8) 57...Kd6 58.Qd3 Kc6 (58...Kc7 59.Qhb5 b3 60.Qdd7) 59.Qe5 (59.Qhb5 Kc7 60.Qdd7) 59...Kb7 (59...Kb6 60.Qed6 Ka5 61.Qb5) 60.Qdd4 (60.Qd7 Kb6 61.Qeb5) 60...Kc6 (60...Ka8 61.Qb4 Ka7 62.Qea5) 61.Qec5 (61.Qb5 Kc7 62.Qdd7) 61...Kb7 62.Qdb4 Ka6 63.Qca5 (63.Qbb5) 1-0. avz81 (1680) - dimoon_04 (1705), lichess.org, 2018.

7.0-0 Be7 8.d3 0-0 9.a3 a6 10.Nbd2 Nh5 (10...Ng4 11.Qc2=) 11.Rc1 (11.d4!?+/-) 11...f4 12.Ne1 Nhf6 13.ef4 ef4 14.Nef3 Ng4?? (14...a5 15.b5+=) 15.h3 (15.Nd4 Nf2 16.Rf2+- (16.Ne6?! Nd1 17.Nd8 Nb2+/-; 16.Kf2?! Bf7+-)) 15...Nge5 16.d4 Nf3 17.Nf3 Nf6 18.d5 Bf5 19.Bd3 Ne4?? (better is 19...Bd3 20.Qd3 Nd7+/-) 20.Qc2+- Ng3 (20...Bf6 21.Bf6 (21.Be4?! Be4 22.Bf6 Qe8+/-) 21...Qf6 22.Be4 Be4 23.Qe4+-) 21.fg3 Bd3 22.Qd3 fg3 (22...c5 23.dc6! bc6 24.gf4+-) 23.Rce1 (23.Nd4 Rf1 24.Rf1 Bf8+-) 23...Bh4 (23...Qd7 24.Nd4 Rf1 25.Rf1+-) 24.Nh4 (24.Nd4!? Rf2 25.Ne6 Qe7 26.Bg7 a5+-) 24...Qh4 25.Qc3 Qg5 26.Rf8 Rf8 27.Rf1 Rf1 28.Kf1 Qf5 29.Qf3?? Qb1–+ 30.Ke2 Qb2 31.Kd3? Qa3 32.Ke4 Qb4 33.Kd4 Qb2 34.Qc3 Qg2 35.Qe3 (35.Qe3 Qb2 36.Ke4 Qe5 37.Kf3 Qe3 38.Ke3–+). Fournier,Frederic (1875) – sagr (1720), Active (4/0), 2004.

7.0-0 Be7 8.d3 0-0 9.Nbd2 c6 10.a4 Qc7 11.Ng5 Bf7 12.Nf7 Rf7 13.Nf3 d5 (13...h6 14.b5+=) 14.cd5 (better is 14.Ng5!? Bb4 15.Nf7 Kf7 16.cd5 Nd5 17.e4+/-) 14...Nd5= (worse is 14...cd5 15.Ng5 Bb4 16.Nf7 Kf7 17.Rc1+/-) 15.b5 cb5 16.ab5 1–0. Fournier,Frederic (1875) – PIURAAGVIK (1825), Active (1/5), 2005.

7.d3 c5 8.bc5 Nc5 9.Nc3 Be7 10.0-0 Rc8 11.Rc1 (11.d4 ed4 12.Nd4 Bd7+=) 11...e4= 12.de4 Nfe4 (12...fe4 13.Ng5 Bf5 14.Nb5+/-) 13.Ne4 Ne4? (13...fe4 A) worse is 14.Bg7 Rg8 (worse is 14...ef3 15.Bh8 fe2 16.Qe2+=) 15.Nd4 Rg7 16.Ne6 Ne6–/+; B) 14.Nd4 Bd7 15.Nb3+=) 14.Nd4 (better is 14.Bg7 Rg8 15.Nd4+-) 14...Bf6?? (better is 14...Bd7+/-) 15.Ne6+- Qe7 16.Bf6 Qf6 17.Nd4 0-0 18.Bf3 b6 19.a4 a5 20.Be4 fe4 21.Qb3 Rb8 (21...Rc5 22.Qb6 Rfc8 23.Qb7+-) 22.c5 Kh8 23.cd6 (23.c6!? Rbc8+-) 23...Qd6 24.Qe6 Rbd8 (24...Qe6 25.Ne6 Rfe8 26.Nc7+-) 25.Qd6 Rd6 26.Rc6 Rdf6 27.Rf6 Rf6 28.Rc1 h6 29.Rc8 Kh7 30.Rc6 Kg6 31.Rf6 Kf6 32.Kf1 Ke5 33.Ke2 g5 34.h3 h5 35.Kd2 Kd5 36.Kc3 g4 37.hg4 hg4 38.f3 gf3 39.gf3 Ke5 40.f4 Kd5 41.Nb5 Kc6 42.Kd4 Kb7 43.Ke4 Kc6 44.Kd4 Kd7 45.e4 Kc6 46.e5 Kd7 47.f5 Kc6 48.e6 Kb7 49.f6 Kc6 50.f7 Kb7 51.e7 Kc6 52.e8Q Kb7 53.Qd7 Kb8 54.f8Q 1–0. Fournier,Frederic (1770) – mbc (1670), Active (5/0), 2005.

7.d3 c6 8.Nc3 (8.0-0 Qb6+=) 8...Be7 (8...d5 9.c5=) 9.Ng5 (9.0-0 d5=) 9...Bg8 10.0-0 g6 (10...d5 11.c5=) 11.Qd2 (11.Nf3 Qc7+=) 11...h6 (11...d5 12.cd5 Nd5 13.Nd5 Bd5 14.Nf3=) 12.Nf3+= Be6 13.a4 Qc7 14.a5 a6 15.e4 (15.d4 0-0+=) 15...f4 (15...g5 16.Rac1=) 16.d4+= g5 17.h3 (better 17.Rfc1+=) 17...Kf7?? (better 17...g4 18.hg4 Bg4+=) 18.d5+- g4 (18...Bh3 19.gh3 Ke8+-) 19.de6 Ke6 20.hg4 Ng4 (20...Kf7 21.Rfd1+-) 21.Nd4! ed4 22.Bg4 Kf7 23.Qf4 Nf6 (23...Ke8 24.Na4 Bg5 25.Qf5+-) 24.Na4 Rag8 (24...h5 25.Bf5+-) 25.Bh5 Kf8 (25...Kg7 26.Bd4 Qd7+-) 26.Bd4 Qd8 (26...Kg7 27.Rad1 Rh7 28.Nc5+-) 27.Rad1 Rg5 28.Bf6 Bf6 29.Rd6 (29.Rd6 Kg7 30.Rd8 Rd8 31.Qc7 Kh8 32.Qb7+-) 1–0. Pierre – GuestThames, internet, 2020.

7.d3 g6 8.Nbd2 Bg7 9.Ng5 Qe7 10.Ne6 Qe6 11.0-0 0-0 12.Nf3 c6 13.Ng5 Qe7 14.Qb3 h6 15.c5 d5 Black prepares the advance e4 16.Nf3 e4 17.Nd4 ed3 18.Bd3 Ne4 19.Rad1 Rae8 20.a4 (20.Qa4 Ra8=) 20...a6 (20...a5 21.Ba3=+) 21.Ba1 (21.a5 Ne5=) 21...Ne5 (21...a5 22.Bb2=+) 22.Nf3 (22.Be2 a5=) 22...Nf3=+ 23.gf3 Ba1 24.Ra1? (better 24.fe4 fe4 25.Ra1 ed3 26.Qd3=+) 24...Nd2–+ 25.Qd1 Nf1 26.Qf1 f4 27.e4 de4 (27...Qg5 28.Kh1–+) 28.Be4 (28.fe4 f3–+) 28...Qe5 29.Kh1 Rd8 (29...Re6!? 30.Re1–+) 30.Bg6–/+ Rf6 31.Be4 Rf7 32.Rc1 Rd2 (32...Rfd7 33.Bc2–/+) 33.Qc4 (33.Qh3 Qg5 (33...Rf2 34.Qc8 Kg7 35.Rg1 Qg5 36.Rg5 hg5 37.Qd8+-) 34.Qe6 Kf8–/+ (34...Rf2 35.Rg1 Rd2 36.Rg5 hg5 37.Bg6+-)) 33...Rd4 (33...Rf2 34.Bg6 Qd5 35.Bf7 Qf7 36.Rg1 Kf8 37.Qd4 Rh2 38.Kh2 Qh5 39.Kg2 Qg6 40.Kf1 Qb1 41.Ke2 Qc2 42.Qd2 Qd2 43.Kd2+-) 34.Rg1 Kf8 35.Qc3?? (35.Qb3 Rg7 36.Rg7 Qg7–+) 35...Rg7 (better 35...Re4 36.Qd3 Rd4–+ (36...Rb4?! 37.Qd8 Qe8 38.Qd6 Qe7 39.Qb8 Qe8 40.Qd6 Qe7 41.Qb8 Qe8 42.Qd6=)) 36.Re1?? (better 36.Bd3–+) 36...Qg5 37.Qd4 (37.Bg6 Qg6 38.Re8 Ke8 39.Qe1 Kf8 40.Qf1 Rd1 41.Qd1 Qg2) 37…Qg2 0–1. GuestNTNN – GuestKSPK, freechess.org, 2017.

7.h3 h6 (7...Nb6 8.d3=) 8.d3 (8.d4 e4 9.d5 ef3 10.de6 fe2 11.ed7 Qd7 12.Qe2 Be7=) 8...Qe7 (8...Be7 9.a3=) 9.Nbd2 0-0-0 10.a4 (10.d4 g5=) 10...g5=+ 11.e4 (11.d4 e4 12.d5 ef3 13.de6 fe2 14.ed7 Rd7 15.Qe2 Bg7=) 11...fe4 (11...Bg7 12.0-0=+) 12.de4= g4 (12...Bg7 13.Qb3=) 13.hg4 Bg4 (13...Ng4 14.a5=) 14.Nh4+= Rg8 15.Bg4 Ng4 (15...Rg4 16.f3 Rg5 17.Nf5=) 16.Nf5 Qe6 17.f3 (17.a5 a6+=) 17...Ngf6= 18.Nh6?? (18.Rh2!?=) 18...Rg2?? (better 18...Rh8–+) 19.Nf5=+ d5 (19...d5 20.Nh4 Qg8 21.Ng2 Qg2=+) 0–1. GuestFSYB – GuestQDWY, freechess.org, 2016.

6.Ng5 Bd7

7.Qb3 h6 8.Nf3 Qe7 9.Nc3 c6 10.Be2 Be6 11.d4 e4 12.Nd2 d5 13.a3 Qf7 14.b5 a6 15.a4 (15.bc6 Nc6 16.cd5 Nd5= (worse is 16...Bd5 17.Nd5 Nd5 18.g4+/-)) 15...Nbd7 16.cd5 cd5 17.Rc1 Bd6 (17...Qg6 18.g3=) 18.Ba3+= Qe7 19.Bd6 Qd6 20.a5 0-0 21.b6 f4 22.Na4 fe3 23.Qe3 (better is 23.fe3!? Rac8 24.0-0=) 23...Qb4–/+ 24.Nc5 Rac8?? (better is 24...Nc5 25.Rc5 Rac8–/+) 25.Rb1+/- Qa5 26.Ne6 Rc3 27.Qf4 e3 (27...Re8 28.Nc7 Rc8 29.Bg4+-) 28.0-0+- Re8 29.Ng7 Kg7= 30.fe3 Rce3 31.Nb3 Qa2 32.Nc5?? Re2–+ 33.Nd7 Rg2 34.Kh1–/+ Rg6?? 35.Rg1+/- Ng4 36.Rbf1 Qe2 37.Nf6 Rf8= 38.Nh5 Kh7 39.Qc7 Kg8 40.Rf8 Kf8 41.Qd8 Kf7 42.Qd5?? Ke8–+ 43.Ng7?? Rg7 44.Qh5 Rf7 45.Qg4–/+ Qg4 46.Rg4 Rf6 47.Kg2 Rb6 48.Kf3 Re6 49.h4 b5 50.Kf4 b4 51.d5 Rb6–+ 52.Ke5 b3 53.d6?? b2 54.Rg8 Kd7 55.Rg7 Kc8 56.Rg8 Kd7 57.Rg7 Kc6 58.Rc7 Kb5 59.d7 b1Q 60.d8Q Qe1 61.Kf5 Qf2 62.Ke5 Qe3 63.Kf5 Qf3 64.Ke5 Qe3 65.Kf5–/+ Qe6 66.Kf4 Qf6 67.Qf6 Rf6 68.Ke5 Rb6 69.h5 a5 70.Kd4 Kb4 71.Rc1 Rd6 72.Ke5 Ra6 73.Kd4 Kb3 74.Kd3? Rd6–+ 75.Ke4 a4 76.Rb1 Kc2 77.Rb4 Ra6 78.Rc4 Kb3 79.Rc7 a3 80.Kd3 Rd6 81.Ke4 a2 82.Rb7 Kc2 83.Rc7 Kb1 84.Rb7 Kc1 85.Rc7 Kd1 86.Ra7 Rd2 87.Kf5 Rg2 88.Rd7 Kc1 89.Rc7 Kb1 90.Rb7 Rb2 91.Ra7 a1Q (91...a1Q 92.Ra1 Ka1–+) 0–1. Nemeth,Laszlo1 (1985) – Albert,Kornelia (2165), HUN–chT2 Erkel, 2007.

7.Be2 Be7 8.Bh5?? (8.0-0 Ng4 9.Nf3 0-0=) 8...g6 (better 8...Nh5 9.Qh5 g6–+) 9.Be2= 0-0 10.0-0 b6 (10...Ng4 11.Nh3=) 11.Qb3 Kg7 12.f4 e4 13.d3 h6 14.Nh3 (14.de4 hg5 15.fg5 a5+-) 14...Bc6 15.de4 Be4 16.Nd2 Bb7 17.e4 (17.Rad1 a5 18.b5 Nbd7=) 17...fe4= 18.f5 g5 19.Nf2 d5 20.cd5 Bd5 21.Bc4 c6 (21...Bc4 22.Nc4 Kh7 23.Rae1+=) 22.Nde4+- Kh7 (22...Bc4 23.Qc4 Qd5 24.Qe2+-) 23.Rad1 (23.Bf6 Bf6 24.Rad1 Bg7+-) 23...Qc7 (23...Nbd7!?+-) 24.Nf6 (24.Bd5 cd5 25.Nf6 Bf6 26.Bf6 Rf6 27.Qd5 Nc6+-) 24...Bf6 25.Bd5 Bb2 26.Qb2 cd5 27.Rc1 (27.Rd5 Nd7 28.Ng4+-) 27...Qd6+- 28.Ng4 Rf5?? (better 28...Nd7+=) 29.Rf5+- Qe7 30.Rcf1 Kg6 31.Rf6 Kh5 (31...Kg7 32.Rh6 d4 33.Qd4 Qf6 34.Qf6 Kg8 35.Qg5) 32.Rh6 Kg4 33.h3 Kg3 34.Qc3 (34.Qc3 Qe3 35.Qe3; 34.Qf2) 1–0. GuestXYXN – GuestVMLK, freechess.org, 2017.

5.Nf3 g6

6.a4 Bg7 7.b5 c6 8.Nc3 (8.d4 e4 9.Nfd2 Be6=) 8...0-0 9.Rc1 (9.d4 ed4 10.Nd4 Ne4=) 9...Be6 (9...e4 10.Ng1=+) 10.Ba1 (10.d4 e4 11.Ng5 Bc8+=) 10...Nbd7 (10...e4 11.Ng5 Bc8 12.d4=+) 11.Ng5 Bf7 (11...Qe7 12.Ne6 Qe6 13.Be2=) 12.Nf7 Rf7 13.Be2 Nc5 (13...a6 14.0-0=) 14.d3 Nfd7 15.0-0 Qh4 16.g3 Qe7 17.Na2 (17.d4 Ne4=) 17...Re8 18.bc6 bc6 19.Nb4 Nb8 20.Re1 a5 21.Na2 Bh6 (21...f4 22.ef4 ef4 23.d4 fg3 24.hg3= (24.fg3?? Qe3 25.Kh1 Ne4–+)) 22.Rb1 f4 23.ef4 ef4 24.Rb8?? (better 24.d4 fg3 25.hg3–/+ (25.fg3 Be3 26.Kh1 Qe4 27.Bf3 Rf3 28.Kg2 Rf2 29.Kh3 Qg2 30.Kh4 Qh2 31.Kg4 Re4)) 24...Rb8–+ 25.Bf3 Qc7 26.d4 Nb3 27.Bc3 (27.Bg4 Na1 28.Qa1–+) 27...d5 (better 27...fg3!? 28.fg3 Nd2 29.Bd2 Bd2–+) 28.cd5–/+ c5 29.dc5 Qc5 (29...fg3 30.hg3 Qc5 31.d6=+) 30.d6 Bg5?? (better 30...fg3 31.hg3 Nd2 32.Bd2 Bd2 33.Qd2 Rf3–/+) 31.Re5 (31.d7 Be7+-) 31...Qa3 32.d7 (32.Rg5 Qa2 33.Rb5 Rbf8+-) 32...Rd8?? (better 32...Be7+-) 33.Re8 Qf8 34.Rf8 (34.Bc6!? Rfd7 35.Rf8 Kf8 36.Bd7 Be7+-) 34…Kf8 1–0. Niephaus,Friedel – Jakob,Christiane, Hessen–ch (Women), 1994.

6.Qb3 Be6 7.d4 e4 8.Ng5 Bg8 9.h4 h6 10.Nh3 Bf7 11.Nf4 Bg7 12.Be2 0-0 13.Nc3 Kh7 14.0-0-0 a5 15.b5 Nbd7 16.a4 c6 17.f3 c5 18.fe4 fe4 19.d5 Ne5 20.g4 Nfg4 21.h5 Nf2 22.hg6 Ng6 23.Ne4 Ne4 24.Bd3 Nf2 25.Ng6 Nd3 26.Rd3 Bg6 27.Bg7 Kg7 28.Rg1 Qf6 29.e4 Qa1 30.Kc2 Qg1 0–1. ferminkatcho (1735) – harry62 (1740), internet, 2013.

6.Qb3 h6 7.d4 e4 8.Nh4 g5 9.Ng6 Rg8 10.Nf8 Kf8 11.Be2 c6 12.d5 cd5 13.cd5 Nbd7 14.Nc3 Ne5 15.0-0-0 Bd7 16.Kb1 a6 17.f3 ef3 18.gf3 Qb6 19.Rd4 f4 20.Na4 Ba4 21.Qa4 fe3 22.Qc2 Re8 23.Qf5 Kg7 24.h4 gh4 25.Rhh4 h5 26.Rh1 Qd8 27.Rf4 Rgf8 28.Rg1 Kh8 29.Be5 Re5 30.Qg6 Qe7 31.Qh6 Nh7 32.Rf8 Qf8 33.Qg6 Qf5 0–1. ferminkatcho (1765) – ikik2 (1900), internet, 2013.

6.Nc3 Na6 7.Qa4 Bd7 8.Qb3 =.

6.Nc3 e4 7.Nd4 Bg7 8.Qa4 Bd7 9.Ne6 Ba4 10.Nd8 Kd8 11.Na4 Nc6 12.a3 Ne5 13.Nc5 dc5 14.Be5 Re8 15.Bb2 Nh5 16.Bg7 Ng7 17.d3 cb4 18.ab4 c5 19.bc5 ed3 20.Bd3 Ne6 21.Ra5 Re7 22.Ke2 Kc7 23.Rd1 Nd4 24.Kf1 Nc6 25.Ra4 Rd8 26.Raa1 Re5 27.h3 Rc5 28.Ke1 Nb4 29.Ke2 a5 30.g4 Rd6 31.gf5 gf5 32.Bb1 Rh6 33.Rh1 b6 34.f4 Rg6 35.Rc1 h5 36.e4 Rg3 37.ef5 Nd5! 38.Be4 Nf4 39.Kd2 Re5 40.Re1 Rh3 41.f6 Re6 42.c5 Rf6 43.cb6 Rb6 44.Rec1 Kd8 45.Ra5. mrkt – TutterFar, ChessWorld.net, 2003.

6.Nc3 Be6 7.Be2+= Bg7 8.0-0 0-0 9.b5 Nbd7 10.Ng5 Qe7 11.a4 h6 12.Ne6+= Qe6 13.a5 g5 14.d3 Kh8 15.Qc2 f4 16.ef4 gf4 17.Bf3 Qf5 18.Bb7 Rab8 19.Be4 Qg5 20.f3 Nc5 21.Nd5 Nd5 22.Bd5 Qh4 23.Rad1 Nd7 24.Bc3 Rf5 25.Qf2 Qe7? 26.Qa7 Rh5 27.Be1 Bf6 28.g3 fg3 29.Bg3 Bg5 30.Rde1 Qg7 31.Re2 Rf8 32.Qc7 Rh3 33.Be6 (33.Be6 Rg3 34.hg3+-) 1–0. Reimer,Karl – Plitzko,Christian, Hagenbach Pfalz op, 1998.

6.c5 Bg7 7.Qb3= e4 8.Nd4 d5 9.Nc3 0-0 10.a4 c6 11.b5 Kh8 12.Nce2 Qe7 13.Rc1 Nfd7 14.Nf4 Ne5 15.h4 Bf6 16.Be2 Re8 17.g3 Nbd7 18.bc6 bc6=+ 19.h5 Rb8 20.Qa3 g5 21.Ng6 hg6–+ 22.hg6 Kg8 23.Rh7? Qf8 24.Qc3 Ng6 25.Rh5 Nde5 26.Kf1 Nf3! 27.Bf3 ef3 28.Qc2 Re4 29.Bc3 Ne5 30.Kg1 Qf7 31.Rh6 Kg7 32.Rh1 Bd7 33.Rb1 Rh8 34.Rh8 Kh8 35.Qd1 Qh5 36.Rb8 Kg7 37.Rb7 Kg6 38.d3 Rg4 39.Qf1 Bc8 40.Rc7 Ba6 41.Nc6?? Nd3–+ 42.Bf6 Rg3!! 43.fg3 f2 44.Kg2 Ne1 45.Kf2 Qf3 46.Ke1 Qf1 47.Kd2 Qe2 48.Kc1 Qe3 49.Kb2 Kf6 50.Ra7 Bc4 51.Ra5 f4 (51...f4 52.Nb4 Qd2 53.Nc2 Bd3 54.Ra6 Ba6 55.gf4 gf4 56.Kb1 Bd3 57.Kb2 Qc2 58.Ka3 Bc4 59.Kb4 Qd2 60.Ka3 Qc3#; 51...Qd2 52.Kb1 Bd3 53.Ka1 Qc1 54.Ka2 Bc4) 0–1. Ryzlak,Jerzy – Adamski,Andrzej (2310), Warszawa Cup, 1987.

6.Bd3?? Bg7 (better 6...e4 7.Be2 ef3 8.Bf3 c6-+) 7.Bc2 0-0 8.0-0 h6 (8...e4 9.Ne1=+) 9.Qe2 (9.d4 e4 10.Nfd2 c5=) 9...Be6 (9...e4 10.Ne1=) 10.d3 Bf7 (10...Nc6 11.a3=) 11.a4 (11.a3 Qe7=) 11...c6 (11...Nc6 12.Bc3=) 12.b5 Qe8 13.Nbd2 Nbd7 14.a5 Rc8 15.Rfb1 (15.Rfc1 Qe6=) 15...cb5 16.Bb3 (better 16.Ba3!? Nc5 17.Rb5=) 16...Nc5-/+ Black plans e4 17.Bd1 (17.Ba2-/+) 17...a6 (better 17...e4!? 18.de4 fe4-/+) 18.cb5=+ ab5 19.Ba3 (19.d4!? e4 20.dc5 ef3 21.Qf3 dc5 22.Qb7=+) 19...e4 20.de4 Nfe4 21.Nd4? (better 21.Ne4 fe4 22.Nd4-/+) 21...Nc3-+ 22.Qd3?? (22.Qf3-+) 22…Nd3 (22...Nd3 23.Nb5 Nb5-+) 0-1. Dino_Jarach (1840) - jos_69 (1870), lichess.org, 2020.

6.d4 ed4 7.ed4 Bg7 8.Bd3 0-0 9.0-0 b6 10.d5 c6 11.Nc3 Bb7 12.Qb3 Nbd7 13.dc6 Bc6 14.Nd4 Ne5 15.Nc6 Nc6 16.Nd5 Nd5+= 17.cd5 Ne5 18.Be5 Be5= 19.Rac1 Rc8 20.Rc6 Qh4 21.g3 Qg4 22.f4+/- Bd4 23.Kg2 h5?? 24.Qc2 Rc6 25.dc6 d5 26.h3 1–0. Figiel – Pacewski, internet, 2000.

6.Be2 a5 =.

6.Be2= e4 7.Nd4 =.

6.h4 h6 7.d4 e4 8.Nfd2 d5 9.a3 Be7 (9...Be6 10.Nc3=) 10.Nc3 (10.cd5 Nd5 11.h5=) 10...b6 (10...Be6 11.h5 g5 12.cd5 Nd5 13.Qb3=) 11.g3 (11.cd5 Bb7+-) 11...h5 (11...Be6 12.Ne2=) 12.Qb3 (12.cd5 Nd5 13.Nd5 Qd5+=) 12...c6 13.b5 (13.cd5 cd5 14.Bb5 Kf7+=) 13...Be6 (13...a6 14.bc6 Nc6 15.Qa4=) 14.a4 (14.bc6 Nc6 15.cd5+=) 14...c5 (better 14...a6=) 15.cd5+- Bd5 (better 15...Bg8+-) 16.Bc4?? (better 16.Nd5!? Qd5 17.Bc4+-) 16...Bg8 (better 16...Bc4!? 17.Nc4 cd4 18.ed4 Nbd7+=) 17.Bg8+- Rg8 (17...Ng8? 18.dc5 Nf6 19.Rd1+-) 18.dc5 bc5 (better 18...Nbd7 19.Nd5 Nd5 20.Qd5 Rf8+-) 19.Nc4 White prepares the advance a5 (better 19.Nce4!? Nd5 20.Nc3+-) 19...Nbd7+= 20.a5 White plans b6 (20.Rd1 Qb8+=) 20...a6 (20...Qc7!?+=) 21.b6+- Qb8 (better 21...Rb8+-) 22.Ne4?? (better 22.Rd1!?+-) 22...Ne4 (better 22...fe4!? 23.Rd1 Kf8–/+) 23.Nd6 (23.Be5 Qb7 (worse 23...Ne5 24.Ne5 Qe5 25.Qg8 Bf8 26.Qg6 Ke7 27.0-0+-) 24.Nd6 Bd6 25.Qg8 Nf8 26.Bd6 Nd6+=) 23...Kf8?? (better 23...Qd6 24.Qg8 Nf8=) 24.Qf7 1–0. jaddwarrior (1915) – schreibe (1800), ChessWorld.net, 2014.

6.Qb3 Bg7

7.Nc3 a5 8.b5 0-0 9.c5 Kh8 10.Na4 (10.cd6 cd6 (10...Qd6? 11.Ba3 a4 12.Na4+-) 11.d4 ed4 12.Nd4 f4+=) 10...e4 11.Nd4 d5 (11...Ng4 12.b6 dc5 13.Nc5+=) 12.Be2+= Ng4 13.f3 ef3 14.Bf3 (worse 14.gf3 Qh4 15.Kd1 Nf2 16.Kc2 Nh1 17.Rh1 Qd8-/+) 14...f4 15.0-0 fe3 16.de3 Nf6 (16...Re8 17.Nc2 Bb2 18.Qb2 Kg8 19.Rad1+/-) 17.Rad1 (17.Bd5 Nd5 18.Rf8 Qf8 19.Qd5 Qe8+-) 17...Re8 18.Ne2 (18.Nc2 Be6+-) 18...Qe7 (18...c6 19.Nb6 Ra7 20.bc6 bc6 21.Nd5 cd5 22.Qb8+/-) 19.Bd4 (19.Bf6!? Bf6 20.Bd5+-) 19...Be6+= 20.Qb2 Bg8 (20...c6 21.Nb6 Ra7 22.Rf2+=) 21.Ng3 (21.Nec3 c6+/-) 21...Nbd7+= 22.Rf2 Ne5 23.Be2 (23.b6 Nfg4 24.Bg4 Ng4+=) 23...Neg4 Attacks the isolani on e3 (23...Nfg4!? 24.Bg4 Ng4=) 24.Rf3 Ne5 25.Rf4 Nfd7 26.Qc3 c6 (26...h5 27.b6 c6 28.a3+=) 27.Rb1 h5 28.h3 (28.bc6 bc6 29.Nb6 Ra7+=) 28...h4+= 29.Nf1 g5 30.Rf2 Bh7 31.Rb2 Rf8 32.Rf8 Rf8 33.bc6 bc6 34.Nh2 Kg8 (34...Be4 35.Rb7 Rb8 36.Rb8 Nb8 37.Qa5+/-) 35.Rb7 Qf7 36.Bf3 (36.Nf3 Qf5+/-) 36...Nf3? (better 36...Be4!? 37.Be4 de4=) 37.Nf3+/- (37.gf3?! Bd4 38.Qd4 Bf5=+) 37...Bh6 (37...Bd4!? 38.Qd4 Bf5+/-) 38.Nb6+- (38.Qa5 Qe8 39.Qc7 g4 40.hg4 Be3 41.Be3 Qe3 42.Kh2 Rf3 43.gf3 Qf3+=) 38...Bf5 39.Ne5 Qh5? (39...Ne5 40.Rf7 Nf7 41.Qa5+-) 40.Nbd7 (worse 40.Rd7 Qd1 41.Kh2 Bd7=+) 40...Bd7 (40...Qd1 41.Kh2 Bd7 42.Nd7 Rf1 43.Rb8 Kf7 44.Ne5 Ke7 45.Nc6 Ke6 46.Nd8 Kf5 47.Qd3 Qd3-+) 41.Nd7= (41.Rd7 Qd1 42.Qe1 Qe1 43.Kh2 Rf1 44.Rd8 Bf8 45.Rf8 Kf8 46.Nd7 Ke7 47.Bf6 Kd7 48.Bg5 Qg3) 41...Qd1 42.Kh2 Rf1 43.Rb8 Kf7 44.Ne5 Ke7 45.Nc6 Ke6 46.Re8 (46.Nd8 Kf5 47.Qd3 Qd3 48.Rb6-+) 46...Kf7 47.Re7 Kg8 48.Re8 Bf8 (48...Bf8 49.Qe1 Qe1 50.Rf8 Kf8 51.Bg7 Kg7 52.Na5 Qg3) 0-1. Thoeng,Paulus (2255) - Henris,Luc (2260), Belgian Interteams, 2001. (=1.Nf3 f5 2.b4 d6 3.Bb2 e5 4.e3 Nf6 5.c4 g6)

7.c5 Qe7 8.Bc4 h6 (better 8...e4!? 9.cd6 cd6=) 9.cd6 cd6 10.b5 (10.Nh4 d5 11.Ng6 dc4 12.Qc4 Qe6 13.Qe6 Be6 14.Nh8 Nc6+=) 10...e4 (10...Nbd7 11.d4 e4 12.Nfd2=) 11.Nd4 (11.Nh4 d5 12.Bd5 (worse 12.Ng6 dc4 13.Qc4 Qe6 14.Qe6 Be6=+) 12...Nd5 13.Ng6+=) 11...d5 12.Bd5 Nd5 13.Qd5 Be6 14.Qe6 (14.Ne6 Bb2 15.b6 Nc6 16.Nc7 Kf8=) 14...Qe6= 15.Ne6 Bb2 16.Nc7 Kd7 (16...Ke7 17.Na8 Rc8 18.Nc3 Ba1 19.Nc7 Rc7 20.Nd5 Kd6 21.Nc7 Kc7 22.Ke2-/+) 17.Na8 Ba1 18.Ke2 Be5 19.b6 (19.f4 Bf6 20.Rd1 Rc8=+) 19...a6 (19...Na6 20.Nc7 Nc7 21.bc7 Kc7 22.Rc1 Kd7 23.h4=+) 20.Rc1 Nc6 21.Nc7 Bc7 22.bc7 Kc7 23.Nc3 Kd6 24.a3 Ne5 25.Na4 (25.f3!? ef3 26.gf3=) 25...Nd3=+ 26.Rb1 b5 27.Nb2 Nc5 (27...Nb2 28.Rb2 Rc8 29.d4=+) 28.d4 ed3 29.Nd3 Ne4 (29...Nd3 30.Kd3 Rd8 31.Rb4 Ke5 32.Ke2=) 30.Rc1= a5 31.f3 Nf6 32.Rc5 Rb8 33.a4 ba4 (33...Nd5 34.Kd2=) 34.Ra5= Nd5 35.e4 fe4 36.fe4 Nc3 (36...Rb5 37.Ra7 Nb6 38.g4+=) 37.Ke3+= Rb3 (better 37...Re8 38.Ra6 Kc7+/-) 38.Kd4?? (better 38.Ra6 Kc7 39.Nc5+=) 38...Ne2-/+ 39.Ke3 Nc1 40.Rd5 Ke6 41.Kd2 Rd3 42.Rd3 Nd3 43.Kd3 Ke5 44.g3 h5 45.h3 a3 46.Kc3 Ke4 47.Kb3 Kf3 48.Ka3 Kg3 49.Kb4 Kh3 50.Kc4 Kg2 51.Kd4 h4 (51...g5 52.Ke4 Kg3 53.Kf5-+) 52.Ke4 (52.Ke5 h3-+) 52...h3 (better 52...Kg3 53.Ke5 g5 54.Kf5-+) 53.Kf4 Kg1 54.Kg5 h2 55.Kg6 h1Q 56.Kf5 Qg2 57.Kf4 ½-½. zembelek (2105) - Zorbak (2145), Rated Blitz game, lichess.org, 2014.

6.b5 Bg7

7.a4 0-0 8.Nc3 h6 (8...e4 9.Nd4=) 9.Be2= Be6 (9...e4 10.Nd4=) 10.Nh4 (10.0-0 c5=) 10...Kh7 (10...Qe8 11.Nf3=) 11.0-0 (11.Nf3 c5=) 11...g5 (11...e4 12.f3=+) 12.Nf3= e4 (12...g4!? 13.Ne1 Nbd7=) 13.Nd4+= Bd7 14.d3 c5 15.bc6 Nc6 16.de4 fe4 (16...Nd4 17.ed4 Ne4 18.Re1+=) 17.Qc2 (17.Ndb5!? Ne8 18.Nd6 Nd6 19.Qd6+/-) 17...Nd4= 18.ed4 Bf5 19.Qc1 Rc8 20.Re1 (20.Ba3 Rc6=) 20...d5 (20...Rf7 21.Qe3=) 21.c5 (21.Ba3 Rh8+=) 21...b6 (better 21...a6=) 22.Qe3 (better 22.Nb5 Nd7 23.Na7+=) 22...bc5-/+ 23.dc5? (better 23.Nb5 a6 24.dc5 ab5 25.ab5-/+) 23...d4-+ 24.Qg3 dc3 25.Bc3 Qc7 (better 25...Qe7 26.Ba6 Nh5-+) 26.Qe3?? (26.Be5 Qa5 27.Bd6 Rfd8-+) 26...Qf4 (better 26...Nd5 27.Bg7 Ne3 (27...Kg7?! 28.Qd4 Nf6 29.Rac1-+) 28.Bf8 Nc2-+) 27.Qd4 (27.Bd4 Nd5 28.Qf4 Nf4 29.Bg7 Kg7-+) 27...Nh5! 28.Qc4 (28.Bh5 Bd4 Discovered attack) 28...Bc3 (28...e3!? 29.Qf4 Nf4 30.Bg7 ef2 31.Kf2 Kg7 32.Rac1-+) 29.Qc3 Bg6 30.Rf1 (30.Qd4 Rfd8 31.Qc3 Nf6-+) 30...Nf6 (30...Qf5 31.c6-+) 31.a5 (31.Rac1 Nd5 32.Qa3 Bf7-+) 31...Qc7 (31...Nd7 32.c6 Ne5 33.Bb5-+) 32.Rac1 Nd5 33.Qc4 (33.Qa3 Nf4 34.Ba6 Rcd8-+) 33...Nf4 34.Bg4 (34.Rfd1 Rcd8 (34...Qa5? 35.Rd7 Bf7 36.Rf7 Kg6 37.Rf8 Rf8 38.Qe4 Kg7 39.Qe5 Kg6 40.Bc4+-; 34...Ne2?! 35.Qe2 Qa5 36.Rd7 Kg8 37.Rd6-+) 35.a6 Rd1 36.Bd1 Nd3-+) 34...Rcd8 35.Rfe1? (35.c6-+) 35...Nd3 (35...Qa5?! 36.Re4 Be4 37.Qe4 Kg8 38.Be6 Kg7 39.Qe5 Rf6 40.Bb3-+) 36.Re4 (36.Rf1-+) 36...Nc1 37.Re6 (37.Re3 Nd3 38.a6 Rf4-+) 37…Qf4 (37...Qf4 38.Qf4 Rf4-+) 0-1. brucepeng (1745) - FatRatt (1705), lichess.org, 2019.

7.a4 a6 8.Be2 0-0 9.0-0 c5 10.h3 (10.d4 e4 11.Nfd2 b6=) 10...Nbd7 (10...e4 11.Ne1=) 11.Ng5 Qe7 12.Nf3 e4 13.Nh2 b6 14.Qc2 (14.d4 cd4 15.ed4 Bb7=) 14...Bb7 15.Rd1 d5 16.cd5 Nd5 17.Bg7 Qg7 18.Ra3 (18.Nc3 ab5 19.ab5 Ne5 20.Ra8 Ra8 21.Nd5 Bd5=+) 18...ab5 19.Bb5 Nb4 20.Qc3 Ne5 21.Nf1 (21.d4 ed3 22.f4 Nf7 23.Bd3 Rfd8-/+) 21...Rfd8 (21...Ba6 22.Ba6 Ra6 23.Ng3-/+) 22.Ng3 (better 22.a5 ba5 23.Qc5-/+) 22...Rd3 (better 22...Ba6-/+) 23.Qb2?? (better 23.Bd3!? Ned3 24.Qg7 Kg7 25.Nc3=) 23...Ra3 (better 23...Nf3 24.gf3 Qb2 25.Bd3 Nd3 26.fe4 Be4 27.Ne4 fe4-+) 24.Qa3-/+ Ned3 (24...Ba6 25.Ba6 Ra6 26.f3 ef3 27.d4-/+) 25.Ne2 (25.Bd3 Nd3 26.Qb3 Qf7 27.Qb6 Ra4=+) 25...Rd8 (25...Ba6 26.Bd3 Bd3-/+ (26...Nd3?! 27.Qb3 Kh8 28.Qb6=+)) 26.Nbc3=+ Ne5 27.Nf4 Qf7 28.a5 (better 28.Qb2!? g5 29.Nfe2-/+) 28...g5-+ 29.Nfe2 Ra8 30.a6 (30.Nc1 Ra5 31.Qb2 Nc4 32.Bc4 Qc4-+) 30...Na6 (30...Ba6 31.Nc1 Ra7 32.Qb2-+) 31.Ba6 (31.Qb2 Nd3 32.Bd3 ed3-/+) 31...Ra6-+ 32.Qb2 Nd3 33.Qb5 Qe6 34.Rb1 Nb4 (34...Nb4 35.Nc1 Ra8-+) 0-1. Abdullaevich (1985) - Amun (1920), lichess.org, 2019.

7.Qb3 Nbd7 8.Nc3 Nc5 9.Qc2 0-0 10.d4 ed4 11.Nd4 (11.ed4 Nce4=) 11...Re8 (11...f4!? 12.ef4 Nh5–/+) 12.Be2= Bd7 13.Bf3 (13.0-0 Nfe4=) 13...Nfe4 14.Ne4 (14.0-0!?=) 14...fe4=+ (14...Ne4?! 15.0-0=) 15.Be2 Rf8 16.0-0 Qg5 17.f3?? (better 17.Kh1!?=+) 17...Bh3 (better 17...Qe3 18.Kh1 Bd4 19.Bd4 Qd4–+) 18.Rf2 Rae8?? (better 18...Qe3 19.Rd1 Qg5–+) 19.f4+- Qh6 20.g3?? (better 20.gh3 Qh3 21.Qd2+-) 20...Nd3 (better 20...g5!?=+) 21.Bd3+= ed3 22.Qd3 c5? (better 22...Rf7+=) 23.f5?? (better 23.bc6 Bd4 24.Qd4 bc6 25.Qa7+-) 23...Re3–+ 24.Qc2 (24.Qd2 cd4 25.b6 Bf5 (25...Rf5?! 26.ba7 Rf2 27.Qf2–+) 26.ba7 d3–+) 24...cd4 25.fg6 Ref3 (better 25...Qg6!? 26.Rf8 Kf8 27.Qg6 hg6 28.Rd1–+) 26.gh7 Kh8 (26...Kh8 27.Rb1 Rf2 28.Qd3 Qf6 29.Qf5 Qf5 30.b6 Qb1 31.Bc1 Qc1) 0–1. GuestNWNG – GuestHFMJ, freechess.org, 2017.

7.Be2 0-0 8.0-0 c6 9.Qc2 Nbd7 10.h3 (10.Nc3 a6=) 10...Kh8 (10...Qe7 11.d4=) 11.a4 Qe7 Black intends e4 12.d4 e4 13.Nh2 (13.Nfd2 c5+=) 13...g5 14.Ba3 (14.Nc3 Qe6+=) 14...g4 (14...c5!?=) 15.hg4+/- Ng4 16.Ng4 fg4 17.Bg4 Nf6 18.Bc8 Rac8 19.Nd2 Ng4? (19...c5 20.Bb2+=) 20.Ne4?? (20.Qe4 Qd7+-) 20...Qh4? (20...c5 21.Rfe1 Qh4=) 21.Bd6+- Rce8 22.Bf8?? (22.Bg3 Ne3 23.fe3 (23.Bh4?! Nc2 24.Nd6 Re6+/-) 23...Qe4 24.Rf8 Bf8 25.Qe4 Re4 26.Kf2+-) 22…Qh2 0-1. Abdullaevich (1935) - tekegelennafiz (1955), lichess.org, 2020.

6.Nc3 Bg7

7.Qb3 0-0 8.c5 Kh8 9.Bc4 e4 10.Nd4 a5 11.cd6 Qd6 12.b5 c5 13.bc6 Nc6 (13...bc6 14.Ba3 Combination; 13...Nc6 14.Ba3 Combination) 14.Ncb5 Qe7 15.Ba3 Nb4 16.Rb1 f4 17.Bb4 ab4 18.Qb4 Qe5 19.Nd6 fe3 20.de3 Nd5 21.Bd5 Qd5 22.Nc8 Rfc8 23.0-0 (23.Qb7?? Qb7 24.Rb7 Rc1 25.Kd2 Rh1-+) 23...Bd4 24.ed4 Ra2 25.Qe7 b5 26.Rb5! Qb5 27.Qf6 Kg8 28.Qe6 Kg7 29.Qc8 Qe2 30.Qc7 Kg8 31.Qb8 Kg7 32.Qe5 Kg8 33.h4 Rd2 34.Qf6 Qd3 35.Ra1 Rd1 36.Rd1 Qd1 37.Kh2 Qd2 38.g3 Qd3 39.Qe6 Kf8 40.Qf6 Kg8 41.Kg2 Qc4 (41...Qe2+-) 42.Qd8 Kf7 43.Qd7 Kf6 44.Qd6 Kf7 45.Qf4 Kg7 46.Qe4 h5 47.Qe5 Kf7 48.d5 Qc5 (48...Qc8+-) 49.Qe6 Kg7 50.d6 Qc6 51.Kg1 Qc1 52.Kh2 Qc5 (52...Qb2 53.Qe7 Kg8 54.Kg2+-) 53.Qe7 (53.Qe7 Kh6 54.Qe3 Qe3 55.fe3+-) 1-0. Becker,Mat2 (2280) - Fischer,Seb (2280), 13th Deizisau Autumn Open (7), 2018.

7.Qb3 Be6 8.a4 h6 9.Be2 0-0 10.d4 e4 11.Nd2 c6 12.b5 Nbd7 13.a5 a6 14.b6 d5 15.c5 Qe7= 16.Qc2 f4 17.0-0-0 fe3 18.fe3 Ng4 19.Bg4 Bg4 20.Rdf1 Qg5 21.h3 Be6 22.Nd1 Qg2 23.Rfg1= Qe2 24.Rg6 Bf5 25.Rg3 Kh7 26.Nc3 Qh5 27.Nf1 Bf6 28.Qg2 Rg8 29.Ne2 Bh4 30.Nf4 Qf7 31.Rg8 Rg8 32.Qe2 Nf8 33.Bc3 Ne6 34.Ng2 Bf6 35.Qf2 Qg6 36.Nf4 Nf4 37.Qf4 Be6 38.Bd2 Qf5 39.Qf5 Bf5 40.Kd1 Rg2 41.Be1 Bg5 42.Bg3 Kg6 43.Be1 Be6 44.h4 Bg4 45.Kc1 Bf6 46.Ng3 h5 47.Nf1 Bf3 48.Nh2 Kf5 49.Kb1 Re2 50.Nf3 ef3 0–1. Bennett,Hilton Petrie (2200) – Reilly,Tim (2255), Sydney Challenge op, 1999.

7.Qc2 0-0 8.Be2 h6 9.0-0 Be6 10.a3 Nbd7= 11.d3 g5 12.Nd2 f4 13.Nce4 Ne4 14.Ne4 Nf6 15.Nf6 Qf6 16.d4 ed4 17.Bd4 Qf7 18.Bg7 Qg7 19.Qe4 Rae8 20.Qb7+/- Qe5 21.Qa7+- c5 22.Bd3 Rf7 23.ef4 gf4 24.Qa4 Rc8 25.Rfe1 Qf6 26.Qa6 f3 27.Qd6 fg2 28.Ra2 Bh3 29.Qg3 (29.Qg3 Rg7 30.Qh3+-) 1–0. Whiterose – Nokarookoff, ChessWorld.net, 2006.

7.c5 0-0 8.Qb3 Kh8 9.Bc4 Nc6 10.cd6 cd6 11.0-0 h6 12.Nh4 Qe8? (12...Kh7) 13.Nb5 Ne4 14.Nc7 Nd2 15.Ne8 Nb3 16.Ng6 Kh7 17.Nf8 Bf8 18.ab3 1–0. Wall,Bill – Guest172896, playchess.com, 2012.

7.c5 Qe7 8.cd6 cd6 9.Bc4 h6?? (better 9...Be6 10.Be6 Qe6+=) 10.Nh4+- Qc7 (10...d5 11.Ng6 Qb4 12.Bd5+-) 11.Qb3 Qc6 (11...g5 12.Nb5 Qb6+-) 12.Bb5 1-0. PEREIRA – Windings, internet, 2021.

7.d4 Nbd7 8.de5 de5 9.Nd5 c6 10.Nf6 Bf6 11.Qd6 e5 seems the pivot of the position 11...Qe7 12.0-0-0 (12.c5 e4 13.Bf6 Nf6=) 12...Qd6 (12...g5 13.c5=) 13.Rd6 Ke7 14.Rd2 e4 15.Nd4 Ne5 (15...a5 16.b5 c5 17.Ne2=) 16.c5 Be6 (16...Rd8 17.Be2=) 17.Ne6+= Ke6 18.Be5 (better 18.Rd6!? Ke7 19.f3+/-) 18...Be5=+ 19.Bc4 Ke7 20.f4 (20.Rhd1 Rhd8 21.Rd8 Rd8 22.Rd8 Kd8=) 20...ef3 21.gf3 Rhd8 (21...Bc3 22.Rd6 Bb4 23.Re6 Kf8 24.Rf6 Kg7 25.Rf7 Kh6 26.Rb7 Bc5 27.e4-/+) 22.f4 (22.Rhd1 Rd2 23.Kd2 b5 (worse 23...Bh2 24.Rh1+/-) 24.cb6 ab6=+) 22...Bf6 (22...Bc3 23.Rd8 Rd8 24.a3=+) 23.Rhd1 Kf8 (23...Rd2 24.Kd2 (worse 24.Rd2 Bc3-/+) 24...b5 25.Bb3=+) 24.Kc2 (better 24.Rd7!? Be7 25.Rb7 Rd1 26.Kd1+/-) 24...Rd2= 25.Rd2 Rd8 26.Rd8 Bd8 27.Be6 Bh4 28.Bc8 b6 29.Bd7 Be7 30.cb6 ab6 31.Kb3 c5 32.b5 (32.a3 Bh4 33.bc5 bc5=+) 32...Bh4-/+ 33.Kc4 Ke7 (33...Bf2 34.Kd3 c4 35.Kc4-/+) 34.Bc6=+ Kd6 (34...Bf2 35.Kd3=+) 35.Bd5 Bf2 36.Bg8 Be3 (36...h6 37.Kd3=+) 37.Bh7= Bf4 38.h3 (38.Bg6 Bh2 39.Bf5 Ke5=) 38...Ke5=+ 39.Bg6 Bg5 40.a4 Be7 (40...Bd2 41.h4=) 41.h4 (41.Bh5!?=) 41...Bh4=+ 42.a5 ba5 43.b6 Bf2?? (better 43...Be7 44.b7 Bd6 45.Bf5 a4=) 44.b7+- (44.b7 Kf6 45.b8Q Kg6 46.Qd6 Kf7 47.Qf4+-) 1-0. zembelek (2110) - harryh (2035), Rated Blitz game, lichess.org, 2014.

7.d4 e4 8.Nd2 Nc6 =.

7.Be2 0-0 8.Qb3 Kh8 9.h4 (9.d4 ed4 10.ed4 a5+=) 9...Nh5 10.Ng5 Nc6 11.Bh5 gh5 12.Nd5 Ne7 13.f4 Ng6? (13...h6 14.Nf3 Ng6=) 14.0-0-0?? (14.Qd1 Bh6 15.Qh5+-) 14...c6+= 15.Nc3 ef4 16.Ne2 h6 17.Nf4 (17.Nh3 fe3 18.de3 Bb2 (worse is 18...Nh4 19.Nhf4 Bb2 20.Qb2 Kh7 21.Qd4+/-) 19.Qb2 Kh7=) 17...Nf4 (17...hg5? 18.Ng6 Kg8 19.Nf8 Kf8 20.Bg7 Kg7 21.hg5 Qg5 22.Qd3+-) 18.ef4 hg5 19.hg5 Qe8 20.g4?? (20.Qf3 Kg8 21.Bg7 Kg7 22.Rh5+-) 20...fg4–+ 21.Rde1 Qg6 22.Re7 Rf7 23.Re8 Kh7 24.c5 d5 25.Bg7 Rg7 26.Qe3 Rf7?? 27.Qe5 Rg7 28.Rf8 b6 29.Rf6 Qe4 30.Rh5 Kg8 31.Qd6 Bf5–+ 32.Rfh6 Qc2# 0–1. orangutanb4 (1920) – bamrz (1795), kurnik, 2011.

7.Be2 Na6 8.Qa4 Bd7 9.b5 =+.

7.Be2 e4 8.Nd4 =.

7.Be2 0-0

8.0-0 a5 9.b5 e4 10.Nd4 c5 11.Nc2 Nbd7 12.d4 Nb6 13.Rc1 =.

8.0-0 c5 9.b5 e4 10.Ng5 a6 11.d4 ab5 12.cb5 h6 13.Nh3 =.

8.0-0 c6 ½–½. Lehr,Thomas – Eitel,Philipp, Schleswig Holstein–ch qual, 1996.

8.0-0 Nc6 9.b5 Ne7 10.d4 +=.

8.0-0 Nbd7 9.Qb3 Kh8 10.Ng5 Qe7 11.f4 h6 12.Nh3 c6 13.a4 a5 14.b5 Nc5 15.Qc2 Be6 16.fe5= de5 17.Ba3 Nfd7 18.Rad1 e4 19.Kh1 Ne5 20.Na2 Rfd8 21.Nc1 Ned3?? 22.Bd3+- ed3 23.Nd3! Rd3 24.Nf4 Qf7 25.Bc5 Rd7 26.Ne6 Qe6 27.Rf3 Be5?? 28.d4+/- Bf6 29.Rdf1 cb5 30.ab5 b6? 31.d5+- Qe5 32.Bb6 1–0. Bakker – Weyerstrass, SGS Jeugd ch, 1974.

8.0-0 e4 9.Ne1 a5 10.b5 Be6 11.d4 ed3 12.Qd3 Nbd7 13.Qc2 =.

8.0-0 h6 9.c5 Be6 10.cd6 cd6 11.a3 Nc6 12.d4 e4 13.Nd2 d5 14.Rc1 Rc8 15.Nb3 Nd7 16.Na4 Qe7 17.Nac5 Nc5= 18.Nc5 Bf7 19.Bb5 Nb8 20.Qa4 a6 21.Be2 g5 22.b5 ab5 23.Qb5 Rc7 24.Bc3 Be8 25.Qb3+/- Qf7 26.Ba5 Re7 27.Bd8 Ba4 28.Qb6 Nd7 29.Qc7 Ree8 30.Nb7 Qg6 31.Qa5 (31…Bb3 32.Qb5 Rd8 33.Nd8 Rd8 34.Qb3+-) 1–0. Reed,AF – Pheby,IM, BCCC, 1994.

8.Qb3 e4 9.c5 d5 10.Nd4 c6 11.0-0-0 Qe7 12.h4 Ng4 13.Rdf1 h5 14.f3 ef3 15.Nf3 Nd7 16.Kb1 Ndf6 17.Ng5 Bd7 18.a3 Ne5 19.Ka2 Kh8 20.Qd1 b6 21.Na4 b5 22.Nc3 a5 23.Kb1 Kg8 24.d3 ab4 25.ab4 Ra7 26.Qb3 Kh8 27.Qd1 Neg4–+ 28.Qe1 Ne3 29.Bf3 f4 30.Rf2 Bf5 31.Be2 Rfa8 32.Rf4 Ng2 33.Qf2 Nf4 34.Qf4 Nh7 35.Bh5 Bd3 36.Kc1 Ng5 37.hg5 Ra1! 38.Kd2 Rh1 (39.Bf3 Rf8–+; 38...gh5?! 39.Ba1 Bg6 40.Re1–/+) 0–1. Kuehn – Markowski,Tomasz (2470), Metz op, 1995.

8.d4 e4 9.Nd2 c5 =.

6.d3 Bg7

7.Nc3 b6 8.Be2 Bb7 9.d4 Nbd7 10.Ng5 Qe7 11.d5 Nf8 12.0-0 h6 13.Qa4 N6d7 14.Nb5 Rc8? 15.Qa7+- Bd5 16.Nc7 Kd8 17.Nd5 Qg5 18.Nb6 Nb6 19.Qg7 (19.Qg7 Rh7 20.Qf8 Kd7 21.f4 ef4 22.ef4+-) 1–0. aspasio – Neulalio, ICC, 1999.

7.Be2 0-0 8.Nbd2 a5 9.b5 Nbd7 10.0-0 Re8 11.Re1 b6 12.a4 Bb7 13.Bf1 Qe7 14.Qc2 e4 15.de4 Ne4 16.Ne4 (16.Bg7 Qg7 17.Bd3 Qf6=) 16...Be4+= 17.Qd2 Bb2 18.Qb2 Bf3 19.gf3 Nc5 20.f4 Qg7 21.Qg7 Kg7 22.Bg2 Rad8 23.Bd5 Re7 24.Red1 Kf6 25.Kg2 h6 26.Rg1 Rg7 27.Kf3 Re8 28.Ra3 Ne4 29.Be4 Re4 30.Rc3 g5 31.fg5 hg5 (worse is 31...Rg5 32.Rg3=) 32.h3 (32.Kg2!?–/+) 32...Rh7–+ 33.Rh1 Rhh4 34.Rcc1 Rc4 35.Rc4 Rc4 36.Ra1 Ke5 37.Ra3 d5 38.Ke2 Rc2 39.Kf3 g4! 40.hg4 fg4 41.Kg3 Kd6 42.Kg4 Rf2 43.Kg3 Rc2 44.Kf4 Kc5 45.Ke5 Kb4 46.Ra1 Re2 47.Kd5 (47.Kf4!?–/+) 47...Re3–+ 48.Rc1 (48.Kc6 Rc3 49.Kd7–+) 48...Ka4 49.Rc7 Kb5 0–1. Fournier,Frederic (1815) – fmboristriana (2085), Active, 2006.

6.d4 e4

7.Nfd2 c6 8.Nc3 d5 9.b5 Bh6 10.bc6 bc6 11.cd5 cd5 12.Ba3 Kf7 13.Nb5 Nc6 14.Rc1 Bd7 15.Nd6 Kg7 16.Nb3 f4 17.Qd2 fe3 18.fe3 Ng4 19.Rc3 Rf8 20.Nb7 Qc7 21.Bf8 Rf8 22.N7c5 Nh2 23.Be2 Bc8 24.Kd1 Ng4 25.Kc2 Qg3 26.Bg4 Bg4 27.Kb1 Rf2 28.Qe1 Nb4 29.Rg1 Bg5 30.Nc1 h5 31.a3 Nc6 32.Na6 Ne7 33.Nc7 Kg8 34.Rb3=+ Bh4 35.Rh1 Qc7 36.Rh4 Qc2 37.Ka1 Rd2 (37...Rd2 38.Rg4 hg4–+; 37...Rg2?! 38.Rh1=+) 0–1. Buss,Michael – Decker,Michael, 95NS18 Indianapolis, 2003.

7.Nfd2 c6 8.Be2 Bg7 9.0-0 0-0 10.Nc3 Nbd7 11.a4 Qe7 12.Qb3 White prepares b5 12...a5 13.b5 c5 14.Rfd1 (14.Qc2 Nb6+=) 14...b6 15.Nd5 (15.Rab1 Rb8=) 15...Qf7 (15...Nd5 16.cd5 Bb7 17.Nc4=) 16.Nf1 (16.Nf6 Nf6 17.Qc2 cd4 18.Bd4 Qc7+=) 16...Bb7 (16...Nd5 17.cd5 Bb7 18.Bc4=) 17.Nc3 (17.Nf6 Bf6 18.Rab1 Rae8=) 17...Rad8 18.Ba3 (18.d5 Ne5=) 18...h5 (18...f4!?=+) 19.Rac1 h4 20.dc5 (20.Nd2 h3=) 20...dc5 (worse 20...bc5 21.Rd6 h3 22.g3+/-) 21.Bb2 Ne5 22.h3 Nd3 23.Rc2 Nb2 24.Rb2 Rd1 25.Qd1 Nd7 (25...f4 26.Rc2=+) 26.Rc2 Ne5 27.Qd6 Qf6 28.Rd2 (28.Qc7!? Rf7 29.Qb8 Kh7 30.Nd5 Bd5 31.cd5-/+) 28...Nd3-/+ 29.Qf6 Bf6 30.Bd3 Bc3 31.Rc2 Be5 32.Be2 Rd8 33.Rd2 Rd2 34.Nd2 Kg7 35.Kf1 Kf6 36.Ke1 Bc8 37.Kd1 Bc3 38.Nb1 Bb4 39.Kc2 Be6 40.Nc3 Bc3 41.Kc3 Ke5 0-1. jhonores (2215) - Suslov_Evgeniy (2255), Rated Blitz game, lichess.org, 2020.

7.Nfd2 d5 8.Qb3 Be6 9.Nc3 Nc6 10.a3 Ne7 11.cd5 Ned5 12.Bc4 Bg7 13.Rc1 0-0 14.b5 c6 15.bc6 bc6 16.0-0 Rb8 17.Qc2 Kh8 18.Na4 Ng4 19.Rfe1 Qh4 20.Nf1 f4 21.ef4 Nf4 22.Be6 Ne6 23.Re4 Rf2 24.Rg4 Rc2 25.Rh4 Rbb2 26.Rc2 Rc2–+ 27.Ne3 Bd4 28.Rd4 Nd4 29.Nc2 Nc2 30.Kf2 Na3 31.Ke3 Kg7 32.Kd4–/+ Nc2 33.Kc5 Ne3 34.Kc6 Ng2 35.Kb7 Ne1 36.Ka7 Nf3 37.Kb6 Kf6 38.Kc5 h5 39.h3 Kg5 40.Kd5 Kh4 41.Ke4 Ng5 42.Kf4 Nh3 43.Kf3 g5 44.Nc3 g4 45.Kg2 Nf4 46.Kg1 g3 47.Nd1 Kg4 (47...Kg4 48.Nc3 Kf3 49.Kh1 g2 50.Kh2 h4 51.Ne4 Ke4 52.Kg1 Kf3 53.Kh2 Ne2 54.Kh3 g1Q 55.Kh4 Qg4#) 0–1. Hingst,Thomas (2095) – Kerpe,Andreas (2260), remoteschach.de, 2004.

7.Ng5 Nc6 =.

7.Ng5 h6 8.Nh3 g5 9.Nd2 Bg7 10.d5 Nbd7 (10...a5 11.a3=) 11.Qb3 (11.Be2 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 c6=) 11...a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 0-0 15.Bd4 b6 (15...Qe7 16.Be2=) 16.Qc3 White prepares c5 (16.Be2 Qe7+=) 16...Qe7 17.Be2 Ne5 (better 17...b5=) 18.c5?? (better 18.0-0=) 18...bc5 19.bc5 Nd5 20.Qb3 Be6 21.Be5 (21.Nc4 f4-+) 21...Be5 22.Bc4 c6 23.cd6 (23.f4 gf4 24.Nf4 Bf4 (24...Nf4?! 25.ef4 d5 26.fe5 dc4 27.Qh3-+; 24...dc5?! 25.Ng6 Qc7 26.Nf8 Kf8 27.g3-/+) 25.ef4 dc5-+) 23...Qd6 24.f3 (24.Qa2 Rd8 25.Bd5 Qd5 (worse 25...cd5 26.f4 ef3 27.Nf3 Bc3 28.Kf2-+; worse 25...Bd5 26.Qc2-+) 26.Qd5 Bd5-+) 24...Bh2 (better 24...Bc3!? 25.Qc2 Qc5 26.Bd5 Qe3 27.Kd1-+) 25.fe4 Qg3 (better 25...Bg3 26.Ke2 fe4 27.Ne4 Qe5 28.Ng3 Qg3-+) 26.Kd1?? (better 26.Nf2 fe4 27.Nde4-/+) 26...fe4-+ (worse 26...Ne3 27.Qe3 Qe3 28.Be6 Kg7 29.Re1-+) 27.Ne4 Qg2 28.Rh2 (28.Nhf2-+) 28...Qh2 29.Nhf2 Qg1 (29...g4 30.Kc1 g3 31.Nf6 Rf6 32.Qb8 Kg7 33.Nd1-+) 30.Ke2 Qg2 (30...g4 31.Kd3 g3 32.Ng4-+) 31.Kd3 (31.Ke1 g4 32.Qd3 g3-+) 31...Qf1 (31...Rf2 32.Nf2 Qf2 33.Bd5 Bd5 34.Qb8 Kg7 35.Qe5 Kg6 36.Qe8 Qf7 37.Qf7 Kf7-+) 32.Kc2 (32.Kd4 Qa1 (32...Rf2?! 33.Bf1 Rf1 34.Qc4 Rd1 35.Ke5+=) 33.Kd3 Rf2 34.Nf2 Qf1 35.Kd4 Qf2-+) 32...Ne3! 33.Qe3 Qc4 34.Kd2 Rd8 35.Ke1 Qd4 36.Qa3 (36.Qd4 Rd4 37.Nc3 Kf7-+) 36...Bc4 (36...Bd5 37.Qe7 Be4 38.Qe6 Kg7 39.Qe7 Kh8 40.Qe4 Qe4 41.Ne4-+) 37.Qa5 (37.Qc3-+) 37…Qe3 0-1. zembelek (2100) - xmodey (2145), Rated Blitz game, lichess.org, 2014.

7.Ng5 Bh6 8.Nh3 0-0 9.Nc3 Ng4 10.Qd2 Nd7 11.Be2 Qh4 12.Nd5 c6=+ 13.Ndf4 Bf4 14.ef4 e3 15.Qc3 ef2 16.Kf1 Ndf6 17.d5 cd5 18.Rd1 Bd7 19.Rd5?? Rae8–+ 20.Rd3 Re2! 21.Ke2 Re8 22.Kf3 Bc6 23.Rd5 Re3 (23...Re3 24.Qe3 Bd5 25.cd5 Ne3 26.Bf6 Qf6 27.Ke3 Qc3 28.Kf2 Qb2 29.Kg3 Qa3 30.Kh4 Qa2–+ (< 30...Qb4 31.Rf1–+); 23...f1Q 24.Rf1 Nh2#) 0–1. Schoenig,R – Keller,Manfred, corr FRG–ch M276, 1972.

7.Nfd2 Bg7

8.a3 0-0 9.Nc3 c6 10.Be2 Qe7 11.h4 h5 12.c5 d5 13.Qb3 a6 14.Na4 Nbd7 15.0-0 Kh7 16.g3 Ng4 17.Rfe1 Rb8 18.Nf1 Ndf6 19.Nh2 Be6 20.Ra2 Qc7 21.Ng4 fg4 22.Nb6 Rf7 23.a4 Rbf8 24.Rf1 Nd7 25.Nd7 Qd7 26.b5 ab5 27.ab5 Qe7 28.Ra7 Qf6 29.Bc3 (29.Qa4 Rc8+/-) 29...Qd8 (29...g5 30.bc6 bc6 31.hg5 Qg5 32.Rf7 Rf7 33.Qb6=) 30.Qb2 Qb8 31.Qa1 (31.Raa1!?+=) 31...cb5= 32.Bd2 (worse is 32.Bb5 Rf2 33.Rf2 Qg3 34.Rg2 Qe3 35.Kh1 Rf3–+) 32...Rf3 (better is 32...Bd7!?=) 33.Bf3+/- (33.Bb5 Rg3 34.fg3 Qg3 35.Kh1 Qh3 36.Kg1 g3 37.Rf8 Qh2 38.Kf1 Qh1 39.Ke2 Bg4 40.Rf3 Bf3) 33...gf3 34.Qa5 Bh3 35.Ra1 Bg2?? (better is 35...Bd7+/-) 36.Qb5+- Qc8 (36...Rf7 37.Ra8 Qc7 38.R1a7+-) 37.Qb7 Qb7 (37...Qb7 38.Rb7 Bh3+-). usingprogram (2050) – jarosk (1660), kurnik, 2011.

8.a3 0-0 9.Nc3 Be6 10.Be2 Bf7 11.0-0 c6 12.c5 d5 13.b5 Nbd7 14.h3 h6 (14...Bh6!?=) 15.Qa4+/- Qc7 16.Nb3 a6 17.b6 Qd8 18.Na5 Rb8 19.Qb3 g5 20.Ba6! h5?? (20...ba6 21.Nc6 Combination) 21.Bb7+- g4 (21...Nc5 22.dc5 d4 23.Qa4 dc3 24.Bc3+-) 22.Nc6 Qe8 (22...Nc5 23.dc5 (23.Nd8 Nb3 24.Nf7 Rb7+=) 23...Qd7 24.Nb8 Qb7 25.c6 Qb8 26.b7+-) 23.Nb8 Qb8 24.c6 gh3 25.gh3 Kh7 (25...Nh7 26.h4 Ndf6 27.f4 ef3 28.Rf3+-) 26.a4 Rg8 (26...f4 27.a5 fe3 28.Ne2+-) 27.a5 Bf8 (27...h4 28.Ba6 Qa8 29.Bb5 Bh6 30.Kh2 Nb6 31.ab6 Qb8 32.Kh1 Qb6 33.Rg1+-) 28.Kh1 f4 29.cd7 Nd7 30.Bd5 Bd5 31.Qd5 Nf6 32.Qf5 Kg7 33.Rg1 Kf7 34.Rg8 Kg8 35.Qf6 Bg7 36.Rg1 Qc7 37.bc7 (37.bc7 fe3 38.Qg7) 1–0. usingprogram (2045) – graczszach, kurnik, 2011.

8.b5 0-0 9.Be2 Qe7 10.0-0 Be6 11.Nb3 Nbd7 12.N1d2 g5 13.Qc2 h5 14.d5 Bf7 15.Nd4 Bg6 16.Ne6+- Rfc8 17.Ng5 Nd5+/- 18.Nh3 N5f6 19.Nf4 Kh7 20.Ng6+/- Kg6 21.Rab1 Ng4 22.h3 Rh8? 23.Rfe1?? Qh4? 24.Rf1?? Nde5?? 25.Bd4 Bh6? 26.f4! Qg3? 27.hg4 hg4 28.Ne4! Qh4 29.g3 Qh3 30.Kf2 Qh2 31.Ke1 Nf3 32.Kd1 Nd4 33.ed4 Rae8 34.Bg4?? Qc2+/- 35.Kc2 Re4 36.Kd3 Rhe8 (36...Bg7 37.Bf3 Rd4 38.Ke3 Re8 39.Be4 Rc4–+) ½–½. Nemec,Zdenek – Petras,Milan, CSLA, 1982.

8.Qc2 0-0 9.h4 (9.Be2 c5=) 9...a5 10.a3 Nc6 11.b5 Ne7 12.Be2 b6 13.g3 Be6 14.d5 Bf7 15.Bd4 Qd7 16.Qb2 Ne8 17.Nc3 Bd4 18.ed4 f4 (better 18...Nf6+=) 19.Nce4+- fg3 20.fg3 Nf5 21.0-0-0 a4 (21...Qe7 22.Rde1+-) 22.Qc3 Ra5 23.g4 Nfg7 24.h5 Kh8 (24...gh5 25.gh5 h6 26.Rdf1+-) 25.hg6 (better 25.h6 Nf5 26.gf5 gf5+-) 25...Bg6 26.Ng5 Nf6 (26...Qe7 27.Nh7 Bh7 28.Qh3+-) 27.Rdf1 (better 27.Bd3 Bd3 28.Qd3 Nge8+-) 27...Raa8 (27...Qe7 28.Bd3 Qe3 29.Nh7 Bh7 30.Rf3+-) 28.Qh3 (better 28.Bd3!? Nd5 29.Rf8 Rf8 30.cd5 Qg4 31.Bg6 Qg5 32.Rh7 Kg8+-) 28...Nge8 29.Ne6 Rg8 30.g5 Ne4 31.Bd3 Nd2 (31...Ng5 32.Ng5 Qh3 33.Rh3 Bd3 34.Nf7 Kg7 35.Rd3 Nf6+-) 32.Bg6 Nb3 (32...Rg6 33.Rf8 Rg8+-) 33.Qb3 (33.Kb2 Rg6 34.Qh6 Qf7 35.Rf7 Rg7 36.Rf8 Rg8 37.Qh7) 33...Rg6?? (33...ab3 34.Rf7 Qf7 35.Bf7 Ng7 36.Bg8 Rg8+-) 34.Rf8 (34.Qc2 Rg8 35.Nf8 Nf6 36.Nd7 Rg7 37.Nf6 c6 38.Qh7 Rh7 39.Rh7) 34...Rg8 35.Qf3 Ng7 (35...Qg7 36.Rf7 Nf6 37.Qf6 c6 38.Rg7 Rg7 39.Qg7) 36.Rh7!! Kh7 Decoy theme: h7 37.Qe4 (37.Qe4 Kh8 38.Rf6+-; 37.Qh3 Kg6 38.Qh6) 1-0. zembelek (2150) - jlindner (2120), Rated Blitz game, lichess.org, 2014.

8.Nc3 a5 9.b5 0-0 10.Be2 b6 11.0-0 Qe7 12.Rc1 Bb7 13.Na4 White prepares c5 13...Nbd7 14.Qc2 Rad8 15.c5 dc5 16.dc5 Bc6?? (better 16...Nc5 17.Ba3 Nfd7+=) 17.bc6+- (17.bc6 Nc5 18.Nc5 bc5 19.Nb3+-) 1-0. jhonores (2165) - MichiB (2185), Rated Bullet game, lichess.org, 2020.

8.Nc3 c6 9.b5 d5 10.a4 0-0 11.Qb3 Kh8 12.cd5 cd5 13.Ba3 Re8 14.Be2 Bf8 15.Rc1 Be6 16.h3 Nbd7 17.0-0 Rc8 18.Rc2 Nb6 19.Rfc1 Ba3 20.Qa3 Qe7 21.Qb3 Rc7 22.Na2 Rec8 23.Rc7 Rc7 24.Rc7 Qc7 25.Qb4 Kg7 26.Nc3 Ne8 27.Nb3 Nc4 (27...Nd6!?+/-) 28.Nc5+- Bf7 29.g4 (29.Nd5 Bd5 30.Bc4 Nf6+-) 29...Qe7 (29...Ned6!?=) 30.Bc4 dc4 31.b6 ab6 32.Qb6 Nd6 33.gf5 gf5 34.a5 Bh5? (34...Qg5 35.Kf1 Qe7 36.Ke1+=) 35.d5?? (35.Nd5!? Qg5 36.Kf1 Qh6+-) 35...Qg5 (better is 35...Bf7!?=) 36.Kf1+/- Qe7 37.Ne6 Kh6 (37...Kg8 38.Qc5 Be8 39.Ke1+=) 38.Qd4 Qh4?? (better is 38...Be8+/-) 39.Qg7 1–0. ognos – kitomania (1630), internet, 2013.

8.Nc3 c6 9.Be2 0-0 10.a4 Na6 11.b5+= Nc7 12.Qb3 Be6 13.a5 cb5 14.Nb5 Nb5 15.Qb5 Qc7 16.g3 Rab8= 17.0-0 Rfd8 ½–½. De Cat,Ben – Mollekens,Roeland (2065), BEL–chT, 2001.

8.Nc3 Be6 9.Qb3 0-0 10.a4 Nbd7 11.Be2 c6 12.h3 Qe7 13.g3 b6 14.b5+= c5 15.d5 Bf7 16.h4 h6 17.a5 g5 18.a6 Ne5 19.0-0-0 Bg6 20.Rdg1 Nfg4 21.Nd1 Rae8 22.Nf1 Qf7 23.hg5 hg5 24.Nh2 Bh5 25.f4 ef3 26.Nf3 Bf6 27.Be5 de5 28.e4 Nh6 29.Ne5! Re5 30.Bh5 Qg7 31.Nf2 fe4 32.Ng4 Nf5? 33.Ne5+- Be5 34.Bg4 Nd4 35.Qe3 1–0. Martine,JM – Galow,W, corr ICCF EU/M/GT/243 (year?).

8.d5 0-0 9.Qb3 a5 10.a3 a4 11.Qc2 Nbd7 12.Nc3 Ne5 13.Na4 Qe7 14.Be5 Qe5 15.Nc3 Bd7 16.g3 g5 17.a4 Ng4 18.Ra3 h5 19.h3 Nh6 20.Be2 h4 21.g4 fg4 22.Qe4 Qf6 23.0-0 gh3 24.Nf3 g4 25.Nh2 Rae8 26.Qf4 Qg6 0–1. bluepiramid2 – fuszerdopotegi (1745), internet, 2013.

8.d5 0-0 9.Nb3 Nbd7 (9...Qe7 10.Be2=) 10.Be2 Qe7 (10...Ne5 11.0-0=) 11.a4 (11.0-0 Ne5=) 11...Ne5 12.Qc2 (12.0-0 c6=) 12...g5 (12...f4 13.N1d2=+) 13.Na3 (13.0-0!?+=) 13...f4=+ 14.0-0-0 (14.Bd4!?=+) 14...Nfg4-/+ 15.Bg4 (15.Be5 Be5 16.Rdf1 fe3 17.Bg4 Bg4 18.fe3 Rf1 19.Rf1 Rf8-/+) 15...Ng4 (15...Bg4!? 16.Rd2 fe3 17.fe3 Nd3 18.Rd3 ed3 19.Qd3 Bb2 20.Kb2 Rf2 21.Kc1-+) 16.h3 fe3 17.hg4? (better 17.Bg7 Qg7 18.hg4 Rf2 19.Qb1 Qc3 20.Nc2-/+) 17...Rf2-+ (worse 17...ef2 18.Bg7 Kg7 19.Rdf1+/-) 18.Rde1 Bb2 19.Kb2 Rc2 20.Nc2 Qe5 21.Kb1 (21.Kc1 Bd7 22.a5 Qc3 23.Re3 Qc4-+) 21...e2 (21...Bd7!? 22.Re3 Ba4 23.Nd2-+) 22.Re2 Bg4 23.Re3 Rf8 (23...Bd7 24.a5-+) 24.Rhe1 Bf5 25.Nbd4 Bg6 26.Ne6 (26.g3 Rf2-+) 26...Rf2 27.Nc7 Qh2 28.R1e2 (28.Ne6 Qg2 29.Ned4 Rf1-+) 28...Qg2 29.Rf2 Qf2 30.Nb5 (30.c5 dc5 31.bc5 Qf5-+) 30...g4 (30...Qf1 31.Kb2 Qc4 32.Nd6 Qd5 33.Nb5-+) 31.Nd6 g3 32.Ne4 Be4 33.Re4 g2 34.Rg4 Kf7 35.Ne3 (35.Kb2-+) 35...g1Q 36.Rg1 Qg1 37.Nd1 (37.Kc2 Qe3 38.b5 h5-+) 37...Qd1 38.Kb2 Qa4 39.Kc3 Qa3 40.Kd4 Qb4 41.d6 Qd6 42.Kc3 Qc6 43.Kb4 h5 44.c5 h4 45.Ka5 (45.Kb3 h3 46.Kb4 h2 47.Kc4 Qe4 48.Kc3 h1Q 49.Kb3 Qhb1 50.Kc3 Qbb4) 45...h3 (45...Qc5 46.Ka4 Qc3 47.Kb5 h3 48.Ka4 a5 49.Kb5 Qb4) 46.Kb4 h2 47.Ka5 (47.Kb3 h1Q 48.Kb2 Qhg2 49.Kc3 Qc5 50.Kd3 Qgc2) 47...h1Q 48.Kb4 Qb1 49.Ka5 (49.Kc3 Qf3 50.Kd4 Qbe4) 49…Qcb5 (49...Qe1) 0-1. A_H_Kashefi (2400) - hikokokokoko (2300), Rated Bullet game, lichess.org, 2019. (=1.d4 d6 2.e3 e5 3.Nf3 e4 4.Nfd2 f5 5.c4 Nf6 6.b4 g6 7.Bb2 Bg7)

8.d5 0-0 9.Be2 Qe7 10.Nc3 Nbd7 11.0-0 Ne5 12.Qc2 Bd7 13.Rac1 Rae8 14.Qb3 Kh8 15.c5 Nfg4 16.cd6 Qh4 17.h3 Nf3 18.Bf3 ef3 19.Nf3 Qh5 20.dc7 Ne5 21.Ne5 Be5 22.Na4 f4 23.Be5 Re5 24.ef4 1–0. polynesia46 (1675) – kitomania (1685), internet, 2013.

8.Be2 c5 =.

8.Be2 c6 9.0-0 0-0 10.Nc3 d5 11.a4 h5 (11...Be6 12.Qb3=) 12.b5+= h4 (12...Be6 13.Qb3+=) 13.Qb3 h3 14.gh3 f4 15.cd5 (15.bc6 Nc6 16.cd5 Na5+=) 15...cd5 16.ef4 (16.Bg4 Bf5+=) 16...Bh3? (better 16...Kh7!?+=) 17.Nd5+/- (17.Nd5 Bf1 18.Nf6 Kh8 19.Bf1 (19.Nf1?! Bf6 20.Qh3 Kg7+/-) 19...Bf6 20.Ne4+-) 1-0. OnlyPolishOpening (2435) - neil_siongco_IIEE (2390), lichess.org, 2020.

8.Be2 c6 9.0-0 d5 10.Nc3 Be6 11.a4 Nbd7 12.b5 0-0 13.Qb3 Rb8 14.Rfc1 h6 15.Ba3 Kh7? (better 15...Rf7+=) 16.Bf8+- Qf8 17.Qa3 (17.a5 a6 18.ba6 ba6+-) 17...Qf7 (17...c5 18.cd5 Nd5 19.Nd5 Bd5 20.Bc4+-) 18.Qd6 (18.Rab1 dc4 19.bc6 bc6 20.Rb8 Nb8+-) 18...Rc8 (18...dc4 19.bc6 Ne8 20.Qa3 bc6 21.Rab1+/-) 19.Rab1 (19.cd5 Nd5 20.Nd5 Bd5 21.bc6 bc6+-) 19...g5 (better 19...dc4!? 20.bc6 Rc6+/-) 20.bc6 bc6 (20...Rc6 21.Qg3+-) 21.Rb7 Qg8 (21...dc4 22.Ra7 Bf8 23.Qg3+-) 22.cd5 cd5 23.Na2 (23.Bb5 Qf7+-) 23...Rc1 24.Nc1 Bf8 (24...Qc8 25.Qc7 (25.Qe6?! Qb7 26.Qf5 Kh8+-) 25...Qc7 26.Rc7+-) 25.Qc7 Kg6 26.f3 h5 27.fe4 fe4 28.Bb5 (28.Ncb3 Ba3+-) 28...Qf7 29.Bd7 Bd7 30.Ne2 (30.Ra7 Ng4 31.Qg3 h4+-) 30...h4 (better 30...Ng4 31.Qg3 h4+/-) 31.Qe5?? (31.Nc3 h3 32.g3 Qe6+-) 31...Be7?? (31...Ng4 32.Nf4 gf4 33.Qf4 Qf4 34.ef4 Ba4 35.Ra7-+) 32.Nb3?? (better 32.h3+-) 32...Ng4-/+ 33.Nf4 gf4 34.Qf4 Bg5?? (better 34...Qf4 35.ef4 Ba4 36.Re7 Bb3 37.Ra7 Bc4-+) 35.Qf7+- Kf7 36.Rd7 Ke6 (36...Kg6 37.Rd6 Kg7 38.Rd5+-) 37.Ra7 (better 37.Nc5!? Kf6 38.Rd5 Be3 39.Kf1 Nh2 40.Ke2 Ng4+-) 37...Be3 38.Kf1 Nh2 (38...Bf4+-) 39.Ke2 Bf4 40.Rh7 Bg3 (40...h3 41.gh3 Kd6+-) 41.a5 Ng4 42.a6 Nf6 43.Rh6 (43.Rh6 Bb8 44.Nc5 Ke7 45.Rf6+-) 1-0. jhonores (2205) - coreal12 (2235), Rated Blitz game, lichess.org, 2020.

8.g3 0-0! 9.Be2 Nc6 10.a3 d5 11.Nc3 Ne7 12.Rc1 c6 13.0-0! Be6 14.Nb3 Qe8 15.Nc5 Bc8 16.cd5 Ned5 17.Nd5 Nd5 18.Bc4 Kh8 19.Qb3 Nb6 20.Rfd1 f4 21.ef4 Bg4 22.Re1 Bf3 23.Ne6 Qd7 24.Ng7 Qh3 25.Bf1 Qd7 26.d5 1–0. vihavald – rkr, internet, 2014.

8.h4 h5 9.g3 a5 10.Nc3 ab4 11.Ne2 c5 12.Nf4 Kf7 13.a3 Na6 (better 13...cd4 14.c5 Nc6 15.ed4 d5 16.ab4 Ra1 17.Qa1 Nb4-/+) 14.ab4+= cb4 15.c5 d5 16.Qb3 Bh6 17.Ba6 Ra6 18.Ra6 ba6 19.Qb4 Bf4 20.gf4 Bd7 21.0-0?? (21.Qb3 a5=+) 21...Qb8 (better 21...Ng4 22.Rb1 Qh4-+) 22.Qa3 Qb5 23.Ra1 (better 23.Qa1!?=+) 23...Qe2-+ 24.Bc3?? (24.c6 Qg4 25.Kf1 Qh4 26.Ke2 (26.cd7?? Ng4 27.Ke1 Qf2 28.Kd1 Ne3 29.Qe3 Qe3-+) 26...Bc6 27.Qa6-/+) 24...Bb5 (better 24...Qg4 25.Kh2 Qh4 26.Kg2 Ng4-+) 25.c6?? (25.Nf1 Qg4 26.Ng3-+) 25...Qg4 26.Kh1 (26.Kh2 Qh4 27.Kg2 Ng4 28.Qe7 Ke7 29.Bb4 Kf7 30.Rh1 Qf2 31.Kh3 h4 32.Ne4 Bf1 33.Rf1 Qf1) 26...Qh4 27.Kg1 (27.Kg2 Ng4 28.Rh1 Qf2 29.Kh3 h4 30.Qe7 Ke7 31.Bb4 Ke6 32.Ne4 Bf1 33.Rf1 Qf1) 27…Ng4 (27...Ng4 28.Nf1 Qf2 29.Kh1 Bf1 30.Qe7 Ke7 31.Bb4 Ke6 32.Rf1 Qf1) 0-1. domajo (2105) - kalounardo (2320), Rated Bullet game, lichess.org, 2015. (=1.Nf3 d6 2.b4 e5 3.Bb2 f5 4.c4 Nf6 5.d4 e4 6.Nfd2 g6 7.e3 Bg7)

8.Nc3 0-0

9.a4 a5 10.b5 c6 11.Be2 Be6 12.0-0 d5 13.c5 Nbd7 (13...f4 14.ef4 Ne8 15.Nb3+=) 14.Rb1 g5 15.f4 (15.Qb3 Rb8+=) 15...ef3 (better 15...gf4!? 16.ef4 Ng4 17.Bg4 fg4=+) 16.Nf3 h6 17.bc6 bc6 18.Bc1 Qe8 (18...Ne4 19.Qc2=) 19.Rb7 (19.Nd2 Bf7 20.Nb3 Bg6+=) 19...Qg6 (better 19...Ne4 20.Qc2 Qc8=) 20.Ne5?? (better 20.Nd2+=) 20...Rae8?? (better 20...Ne5 21.de5 Ng4-/+) 21.Nd7 (better 21.Ng6 Rf7 22.h4 Nc5 23.Rf7 Bf7 24.Ne5 Re5 25.de5+-) 21...Bd7+/- 22.Qd2 (22.Qd3 Ra8+/-) 22...Bc8+= 23.Rb6 Rf7? (better 23...Nd7 24.Nd5 Nb6 25.Nb6 Be6+=) 24.Rc6+- Rfe7?! (24...Qh7 25.Nb5+-) 25.Bd3 (better 25.Nd5!? Re6 26.Nf6 Rf6 27.Rf6 Qf6 28.Bc4 Kh8 29.Qa5 Qe7+-) 25...Be6 (25...Qh5 26.Rf6! (26.Bf5?! Bf5 27.Rf6 Bf6 28.Rf5 Rf7+/-) 26...Bf6 27.Nd5+-) 26.Ne2 (26.Qc2 Rf8+-) 26...Ne4 27.Be4 (27.Qa5 Qf7+-) 27...de4 (27...fe4 28.Qa5 Rf7 29.Rf7 Qf7 30.Rc7+-) 28.Qa5 Qf7 29.Qb6 (29.Rb6 Bc4 30.Rf2 Ra7+-) 29...Bd5? (better 29...Rb7 30.Qa6 Ra7+=) 30.Rc7?? (better 30.Rh6 Bc4 31.Rf2 Be2 32.Re2+-) 30…Rc7-+ 0-1. sezwho (1950) - mowpet (2300), Rated Bullet game, lichess.org, 2014.

9.a4 c6 10.Qb3 a5 11.b5 Be6 12.g3 (12.Be2 Nbd7+=) 12...Nbd7= 13.Ba3 (13.Be2 Qb6=) 13...Ne8 14.Rb1 Qf6 (14...Rc8 15.Be2=) 15.Be2 (15.bc6!? bc6 16.Qb7+=) 15...c5= 16.0-0 (16.Bb2 cd4 17.ed4 Qd8=) 16...Nb6 (better 16...cd4!? 17.Nd5 Bd5 18.cd5 Nc5-+) 17.Bb2= cd4 18.ed4 Qd4?? (18...Qg5 19.Rbd1 Rc8= (19...Bd4? 20.Nce4 fe4 21.Bd4+-)) 19.Nd5?? (better 19.Nce4 Qe4 20.Ne4 fe4 21.Bg7 Ng7 22.f3 ef3 23.Rf3+-) 19...Qd2-/+ 20.Nb6 Qe2 21.Na8? (better 21.Rfe1 Bc4 22.Nc4=+) 21...Bh6?? Black plans f4 (better 21...Bc4 22.Qe3 Qe3 23.fe3 Bf1 24.Kf1 g5-+) 22.Qc3 (better 22.Nb6!?+/-) 22...Bg7= 23.Qc1 (23.Qb3 Bc4 24.Qe3-+) 23...f4=+ (23...Bc4 24.Re1 Qd3 25.Rd1+/-) 24.Re1 Qf3 25.Bg7?? (25.Qd1 Qd1 26.Red1 (26.Rbd1? Bb2 27.Re4 Bg4-+) 26...Bc4 27.Bg7 Ng7 28.Nc7=+) 25...Bh3 (25...Kg7?! 26.Qd1 fg3 27.Qf3 gh2 28.Kh1 Rf3 29.Re4=; 25...Ng7?! 26.Qd1 Ra8 27.Qd6-+) 26.Nb6 (26.Bf8 Qg2) 26…Qg2 0-1. ClayPigeons (2120) - olmitox (2180), Rated Bullet game, lichess.org, 2021.

9.Qb3 a5 10.b5 =.

9.Qb3 c6 10.c5 d5 11.g3 (11.Be2 b6=) 11...Be6 (11...b6 12.Qa3=+) 12.a4 Nbd7 13.Be2 Qe8 (13...Rb8 14.0-0=+) 14.Ba3 (14.0-0 b6=) 14...g5 (14...Rb8 15.0-0=) 15.h4 (15.b5 Rb8 16.a5=+) 15...h6 (better is 15...g4!?=+) 16.hg5+= hg5 17.0-0-0 (17.b5!?+=) 17...Qg6 18.Rdg1 b6 (18...Kf7 19.b5=) 19.b5 (19.Kd1 bc5 20.bc5 Rab8=) 19...bc5 20.Bc5 (20.bc6 Rfb8 21.Qc2 cd4 22.ed4 Nb6+=) 20...Nc5=+ 21.dc5 Rfb8 22.Qb4 Qf7 23.Nb3 d4 24.Nd4+/- Nd5 25.Nd5 Bd5 26.b6?? ab6–/+ 27.cb6? c5!–+ 28.Qb5 cd4 29.a5 d3 30.Bd1 Bc4 31.Qb4 Be6 32.Ba4 Bf8 33.Qb2 Bg7 34.Qb4 Qf6 35.Kd2 Ra5! 36.Rb1 Ra4! 37.Qa4 Qc3 38.Kd1 f4 39.gf4 Bg4 40.f3 Bf3# 0–1. babulina – KingsCrusher, ICS, 1997.

9.Qb3 Be6 10.a4 Qe7 11.Be2 Bf7 12.g3 Nbd7 13.b5 (13.a5!?=) 13...c5+= 14.d5 g5 15.0-0-0 (15.h4!? g4 16.0-0+=) 15…Ne5–/+ ½–½. Welling,G (2340) – Becker,Andreas (2070), Bad Wiessee GER, 2012.

9.Qb3 Kh8 10.a4 a5= 11.b5 Nbd7 (11...Ng4 12.h4=) 12.Be2+= c5 13.0-0 cd4 14.ed4 b6 15.Ba3 Qe7 16.Rac1 (16.Rae1 Bb7+=) 16...Bb7 17.Rfe1 Ne8 (17...e3 18.Bf3 ef2 19.Kf2 Ng4 20.Kg3 f4 21.Kg4-+) 18.c5 (18.d5!?=) 18...dc5=+ 19.dc5 Nc5 20.Qc2 Rc8 21.Nc4 (21.Nb3 e3 22.Bf1 f4=) 21...Qf6 (21...Qe6 22.Nb1 Rc7 23.Qd1=+) 22.Bb2 (better 22.Nb1 Rc7 23.Nbd2=+) 22...Nd3 (better 22...Qe6-/+) 23.Bd3+= ed3 24.Qd3 Qg5 25.g3 Qg4 (25...f4 26.Ne4 (26.Nb6 Rd8 27.Qc2 fg3 28.hg3 Nf6-+) 26...Be4 27.Bg7 (27.Re4? Bb2 28.Rc2 fg3 29.hg3 Bf6-+) 27...Ng7 28.Qe4=) 26.Nd5 (26.Nb6 Rc7 27.Qd8+-) 26...Qh3? (better 26...Bd5!? 27.Qd5 Bb2 28.Nb2 Rc1 29.Rc1 Nf6+=) 27.Bg7 Ng7 28.Nce3 (28.Nd6 Rc1 29.Rc1 Bd5 30.Qd5 h6+-) 28...Rfd8? (28...Qh5!? 29.Rc8 Rc8+-) 29.Rc8+- Rc8? (29...Bc8 30.Qd4+-) 30.Qf1 (better 30.Nf4 Qh6 31.Qd7+-) 30...Qh5 31.Rd1 (31.Nb6 Rc3+-) 31...Rd8? (31...Qf3 32.Qg2 Bd5 33.Rd5 Rc1 34.Nf1 Qg2 35.Kg2+=) 32.Qc4 (32.Nb6 Rb8+-) 32...f4? (32...h6!?+=) 33.Qc7 (better 33.Qf4 Qe2 34.Qf6+-) 33...Bd5?? (better 33...Rf8 34.Qb7 fe3 35.Ne3 Qe2+/-) 34.Qd8+- Bg8 35.Rd7 (better 35.gf4 Qc5 36.Qf6+-) 35...f3?? (better 35...fe3 36.fe3 Qc5=+) 36.Qg8 (36.Qg8 Kg8 37.Rd8 Kf7 38.Rd7 Kf8 39.Rd5-+). ClayPigeons (2210) - SLalic (2220), Rated Blitz game, lichess.org, 2020.

9.Qb3 Kh8 10.h3 Nc6 11.a4 (11.Be2 a5 12.b5 Ne7+=) 11...Re8 12.a5 f4 13.0-0-0 (13.g3!? f3 14.g4=) 13...Bh6 14.Ne2 (14.Nd5 Nh5+=) 14...fe3–/+ 15.fe3 d5 16.g3 Qd6 17.Ba3 Bf8 18.Nf4 (18.c5 Qd7–/+) 18...Na5!–/+ 19.Qa4 (19.ba5 Qa3 Double attack (19...Qa3 Pinning; 19...Qa3 Deflection; 19...Qa3 Decoy)) 19...Nc4 20.Bc4 dc4 21.Nc4 Qd7 22.Qb3 Qf7 23.Qc2 (23.d5!? g5 24.Ne2–/+) 23...a5! 24.Ne5 (24.ba5 b5 Passed pawn; 24.Na5 Ra5) 24...Qg7 25.Qb3 (25.Qa4 Bd6 26.b5–+) 25...Qg8 26.Qc3 (26.Qg8 Kg8 27.h4 ab4–+) 26...ab4 27.Bb4 Bb4 28.Qb4 g5 29.Ne2 Qf8 30.Qf8–/+ Rf8 31.Nc3 Ra1 32.Kd2 Rd1 33.Kd1 Be6 34.h4 Ng4 35.Ng4 Bg4 36.Kd2 Rf2 37.Kc1 Bf3 38.Rg1 Kg7 39.Nb5 c6 40.Nd6 b5 41.hg5 Kg6 42.g4? Kg5 43.Nf7–/+ Kf6 44.Ne5 b4 45.Nc6+= b3 46.Ne5 Bg2 47.Kb1+= Re2 48.Rc1 Re3–/+ 49.Rc7? Rh3–+ 50.g5 Kf5 51.Rf7 Ke6 52.Rf2 Bf3 53.Kb2 Bd1 54.Rd2 Bc2 55.Nc4 Kd5 56.Nb6 Kc6 57.Nc4 Kd7 58.d5+= e3 59.Re2 Bd3 60.Ne5 Kd6 61.Nd3 Rg3?? 62.Nb4+- Kc5 63.Kb3 Rg4 64.Nc2 Rg5 65.Ne3 Re5 66.d6! (66.d6 Re4 67.Nd5+-) 1–0. Shorokhov,Mikhail – Besedin,Anatoly (2090), Anapa op, 2008.

9.d5 h6 10.Qb3 Kh7 11.Be2 g5 12.0-0 Qe8 13.Qc2 Qg6 14.c5 Nbd7 15.Nb3 Ne5 16.Nb5 Rf7 17.cd6 cd6 18.Nd6 Rd7 19.Nc8 f4 20.Be5 f3 21.Bb5 Rf7 22.Nd6 Rff8 23.Rac1 g4 24.Bf6 Bf6 25.Ne4 Bh4 26.Ng3 Qc2 27.Rc2 Rad8 28.Rd1 fg2 29.Kg2 Rd6 30.Rc7 Kg6 31.e4 Rfd8 32.Rb7 a6 33.Bc6 Rc6 34.Nd4 Rc4 35.Ne6 Rd6 36.e5 Re6 37.de6 Bg3 38.hg3 Re4 39.Rd5 1–0. ognos – drstarski, internet, 2014.

9.Be2 a5 10.b5 Be6 11.a4 d5 12.Qb3 c6 13.Ba3 Rf7 14.Rb1 Nbd7 15.g3 (15.bc6 bc6 16.Bd6 Bf8+=) 15...g5 (15...Rb8 16.0-0=) 16.h4 h6 (16...g4!?=) 17.hg5+- hg5 18.Bd6 Bf8 (18...Ne8!? 19.bc6 bc6 20.cd5 cd5+-) 19.Bf8+- Nf8 20.bc6 bc6 21.Qb6 (21.c5 N8d7+-) 21...Qd7 (21...Qb6 22.Rb6 Rc7 23.c5+=) 22.Nb3 dc4 23.Nc5 (23.Na5?! Nd5 24.Nd5 cd5=) 23...Qd6 24.Ne6 Qe6 25.Qc5 Qe7? (25...N6d7!? 26.Qc4 Rh7 27.Qe6 Ne6 28.Rh7 Kh7+-) 26.Bc4 (better 26.Qf5 Nd5 27.Nd5 cd5 28.Qd5+-) 26...Ne6?? (better 26...Qc5 27.dc5 N8d7+-) 27.Qc6 (worse 27.Qf5 Nd5 28.Nd5 cd5 (28...Rf5?? 29.Ne7 Kf7 30.Nf5+-) 29.Qd5 Re8+-) 27...Re8 28.Rb6 Rh7 (28...Qc7 29.Nb5 Qc6 30.Rc6+-) 29.Be6 (better 29.Rh7 Qh7 30.Be6 Kh8+-) 29...Kh8 (29...Qe6 30.Rh7 Qc6 31.Rc6 Nh7+-) 30.Rh7 Qh7 31.Bc4 (31.Qb5 Rf8+-) 31...Rf8 32.Nd5 Ng4 33.Bf1 (33.Qc5 Re8 34.Nf6 Nf6 35.Rf6 Qb7+-) 33...Qh2 34.Rb2 Ne3 (34...Qh7+-) 35.Ne3 f4 36.Ng4 (36.Qd6 Qf2 37.Rf2 Kg7 38.Qe7 Rf7 39.Nf5 Kg6 40.Qe6 Rf6 41.Ne7 Kg7 42.Qg8 Kh6 43.Qh8) 36...Qh7 37.Qh6 (better 37.Rb7 Rf7 38.Qe8 Qg8 39.Qe5 Rg7 40.Qf6 fg3 41.Bc4 gf2 42.Nf2 e3 43.Bg8 ef2 44.Kf2 Kg8 45.Qg7) 37...e3 (37...Qh6 38.Nh6 Rf6+-) 38.Qf8 (38.Qf8 Qg8 39.Qh6 Qh7 40.Rb8) 1–0. Osmak,Iulija (2380) – Socko,M (2465), European ACP w Blitz, 2018.

9.Be2 a6 10.0-0+= (10.Qb3 A) 10...Qe7 11.Nd5 (11.0-0 Nc6 12.Nd5 Qf7 13.h3 Nd5 14.cd5 Ne7 15.f3; 11.h3 Nc6 12.Nd5 Qf7 13.0-0 Nd5 14.cd5 Ne7 15.f3) 11...Qf7 12.0-0 Nc6 13.h3 Be6 14.Nf4 Bd7 15.d5; B) 10...Nc6 11.0-0 Qe7 12.Nd5 Qf7 13.h3 Nd5 14.cd5 Ne7 15.f3; C) 10...Be6 11.0-0 (11.h3 a5 12.b5 Nbd7 13.0-0 Nb6 14.a4 Qe7 15.Rfe1) 11...Nbd7 12.a4 c6 13.Rab1 b5 14.Ra1 Nb6 15.ab5) 10...Nc6 (10...Be6 11.d5 (11.f4 Bf7 12.d5 c6 13.Qc2 Qc7 14.Qb3 Nbd7 15.Rfe1; 11.f3 a5 12.ba5 Ra5 13.Qb3 ef3 14.Bf3 b6 15.Nd5; 11.h4 Bf7 12.Qb3 Nc6 13.a4 a5 14.b5 Nb4 15.Ba3) 11...Bf7 12.a3+= (12.Nb3 Nbd7 13.Nd4 Ne5 14.Qa4 Qe8 15.Qc2) 12...Nbd7 13.Nb3 Ne5 14.Nd4 Qd7 15.h3) 11.Qb3 (11.a3 Qe7+= 12.Qc2 Bd7 13.Nd5 Qd8 14.h3 Rf7 15.Rfe1) 11...Kh8 (11...Qe7 12.Rac1+= (12.Nd5 Qf7 13.h3 Re8 14.Rfc1 Be6 15.Nf4) 12...a5 13.b5 Nb4 14.Nd5 Nbd5 15.cd5) 12.a4 White plans b5. 12...a5 (12...Qe7 13.Rac1+= (13.Nd5 Qf7 14.Rfc1 a5 15.b5) 13...a5 14.b5 Nb4 15.Nd5) 13.b5 Ne7 (13...Nb4 14.Ba3 Nd3 15.Qc2) 14.Rac1 (14.Nd5 Bd7 15.Rac1) 14...g5 (14...Be6 15.d5+= (15.Qc2+=)) 15.f3 (15.b6+- 1.04/9) 15...ef3 16.Bf3 Ng6 (16...Re8 17.Rce1+-) 17.Rce1 Nh4 (17...Re8 18.Bd1+=) 18.Be2 c5 (18...Qe8 19.Bd3+-) 19.Nf3 (19.dc5 dc5 20.Rd1 Be6+-) 19...Nf3 20.Bf3 (worse 20.gf3 cd4 21.ed4 Qb6=; worse 20.gf3 f4 21.Ne4 Ne4 22.fe4 cd4 23.ed4 g4=) 20...Qb6 (better 20...g4 21.Bd5+-) 21.dc5 Qc5 22.Nd5 Nd5 23.Bd5 Qb4 24.Bg7 Kg7 25.Qb4 (25.Qd1!?+-) 25...ab4+= 26.Ra1 Ra7 (better 26...Ra5!?+=) 27.a5+- Re8 28.Kf2 Kf6 29.Rab1?? (29.Rfb1 Re7+-) 29...Re7?? (29...Ra5 30.Ra1 Ra1 31.Ra1 b6=+) 30.Rb4 (30.a6 ba6 31.b6 Rad7 32.Rb4 Bb7 33.Bb7 Rb7+-) 30...Be6 (better 30...Ra5 31.Rb2 b6=) 31.Be6+- Ke6 32.Ra4 Re8 33.a6 b6 (33...Rb8!?+-) 34.Rd1+- Rc8 35.Rd5 h6 36.Ke2 Rf8 37.Ra1 Rc8 38.Rad1 Rc4? (38...Rd8+-) 39.Rd6 Kf7 (39...Ke5 40.R1d5 Ke4 41.Rd4 Rd4 42.ed4+-) 40.Rb6 Rc2 (40...Rb4 41.Rd8 Rb2 42.Kf3+-) 41.Rd2 Rcc7 (41...Rc5 42.Rh6 Kg7 43.b6 Kh6 44.ba7+-) 42.Rh6 Kg7 43.Rhd6 Re7 44.Ra2 f4 45.Ra3 Ra8 46.b6 Re3 (46...Kf7 47.b7 Ra6 48.Rda6 Rb7+-) 47.Re3 fe3 48.b7 (48.b7 Rb8 49.Rd7 Kh6 50.a7 Re8 51.Rd6 Kg7 52.b8Q Kf7 53.Qb7 Re7 54.Qf3 Kg8 55.Rg6 Rg7 56.a8Q Kh7 57.Qh5) 1–0. Steinbacher,Claudia – Kaulfuss,Christa, BL, 1994.

9.Be2 b6 10.0-0 Bb7 11.f3 ef3 12.Bf3 Bf3 13.Qf3 Nbd7 14.e4 fe4 15.Nce4 Ne4 16.Qe4+- Nf6 (16...Re8 17.Qd5 Kh8 18.Ne4+-) 17.Qe6 Kh8 18.Rae1 (18.d5!?+-) 18...Re8 19.Qh3 (19.Qf7 Rf8 20.Qe7 d5+=) 19...Qd7 (19...d5 20.Re5=) 20.Qd7+= Nd7 21.Re8 Re8 22.Rf7 Nb8 (22...Rd8!?+=) 23.Rc7+- h6 (better 23...Na6!? 24.Ra7 Nb4+-) 24.b5+- Re2 25.Bc3 Kh7 (25...Re3 26.Nb1 Rc3 27.Rc8 Kh7 28.Nc3 Bd4 29.Kf1 Bc3 30.Rb8 Kg7+-) 26.d5 (26.d5 Re5 27.Nf3+-) 1–0. Pierre – Ermani, internet, 2020.

9.Be2 c5 =.

9.Be2 Be6 10.b5 Nbd7 11.a4 Bf7 12.Qc2 Qe7 13.h3 Rae8 14.a5 f4 15.a6 b6 16.0-0-0 (16.0-0!?+=) 16...fe3= 17.fe3 Bh6 18.Nf1 Nh5 (better 18...Rc8!?=) 19.g4+/- Nhf6 20.Kb1 (20.h4 Bg7+/-) 20...d5 (20...Be6 21.Ka1+= (21.Ne4? Ne4 22.d5 Bf7-+)) 21.cd5 (better 21.h4!? Bg7 22.g5+-) 21...Nd5+= 22.Nd5 Bd5 23.Bc4 (23.h4 Qb4 24.g5 Bg7+=) 23...Nf6 24.Qb3 (24.h4 Qe6 25.Bd5 Nd5=) 24...Qe6=+ 25.Bd5 Qd5 (25...Nd5 26.Rc1=+) 26.Qd5 (better 26.Ka2!?=) 26...Nd5-/+ 27.Re1 Rf3 28.Kc2 (28.Rh2 Be3 (worse 28...Ne3 29.Ne3 Re3 30.Re3 Be3 31.Re2=+) 29.Ne3 Ne3-/+) 28…Be3-+ 0-1. Mettigel (2220) - xmodey (2065), Rated Bullet game, lichess.org, 2014.

9.Be2 Qe7 10.Qc2 Nc6 11.a3 Nd8 12.0-0-0 (12.0-0!?+=) 12...c6+= 13.Nf1 a5 14.Qb3 (14.b5!?+=) 14...ab4–/+ 15.ab4 Nf7 (15...f4 16.Re1–/+) 16.f4 (16.Kd2 Be6+=) 16...ef3 17.gf3 d5 18.Kb1? (better is 18.cd5!? cd5 19.Re1+=) 18...dc4 19.Bc4 b5 20.Be2 (20.Bf7 Rf7 21.d5 cd5–+) 20...Be6 21.d5 (21.Qc2 Qb4 22.Qd2 Qa5–+) 21...Nd5 22.Nd5 Bd5 (22...Bd5 23.Rd5 cd5 24.Bg7 Kg7–+; 22...cd5?! 23.Bg7 Kg7 24.Qc3 Kg8 25.Qc5–+) 0–1. Luodonpaa,M (2000) – Kunin,V (2530), 19th Heart of Finland Open, Jyvaskyla F, 2009.

9.Ne2 Nbd7 10.Nf4 Re8 11.Qb3 Nf8 12.h4 Ne6= 13.c5 d5 14.g3 Nf4 15.gf4 h5 16.Be2 Ng4 17.Bg4 fg4=+ 18.0-0-0 Bf6 19.Rh2 c6 20.Rdh1 b6 21.Qa3 Bb7 22.Nb3=+ Qc8 23.Kd2 Ba6 24.Bc3 Bc4 25.Na1 Re7 26.Nc2 Rb7 27.Rb1 Be7 28.Qc1 Ba2–+ 29.Ra1 Bc4 30.Qg1 a5! 31.cb6 ab4 (31...ab4 32.Bb4 Bb4 33.Nb4 Rb6–+) 0–1. Urbanec,Miroslav – Franzen,Jozef, corr, 1970.

9.g3 Nbd7 10.Bg2 c5 11.dc5 dc5 12.b5 Qe7 13.0-0! Ne5 14.Qc2 Be6 15.Rad1 Nc4 16.Nc4 Bc4 17.Rfe1 Rfd8 18.Ne4 Ne4 19.Qc4 Kh8 20.Bg7 Kg7 21.Be4 fe4 22.a4 b6 23.a5 h5 24.Rd5 Rd5 25.Qd5 Rd8 26.Qc6 Rd6 27.Qa8 ba5 28.Ra1 Qc7 29.Qe4 c4 30.Qe5 Kf7 31.Rc1 Rd7 32.Qe4 c3 33.Qc2 Rd5 34.Qb3 Qc5 35.Rc3 Qb5 36.Rc7 Kf6 37.Qb5 Rb5 38.Ra7 g5 39.Kg2 g4 40.h3 Ke6 41.hg4 hg4 42.Rg7 Rb4 43.Ra7 a4 44.f4 gf3 45.Kf3 Kd5 46.g4 Kc5 47.g5 Kb6 48.Ra8 Kb7 49.Ra5 Kb6 50.Rd5 a3 51.Rd3 Ra4 52.Rd1 a2 53.Ra1 Kc5 54.e4 Kd4 55.Kf4 Ra8 56.g6 Rf8 57.Kg5 Rf2 58.g7 Ke4 59.Kg6 Rg2 60.Kh7 Rh2 61.Kg8 Kd3 62.Kf7 Rf2 63.Ke7 Rg2 64.Ra2 Rg7 65.Kf6 Rb7 66.Ra3 Kd4 67.Ra4 Kc5 68.Ra5 Rb5 69.Ra1 Rb6 70.Ke5 Rb2 71.Rc1 Kb5 72.Rc8 Re2 73.Kd4 Rd2 74.Kc3 Rd6 75.Rb8 Rb6 76.Rh8 1–0. vihavald (1610) – kubose (1895), internet, 2013.

9.h4 Be6 10.Ne2 Bf7 11.Nf4 c6 12.Be2 a5 13.b5 a4 14.Ba3 Re8 15.c5 (better is 15.0-0!?+=) 15...dc5= 16.Bc5 (worse is 16.dc5 Nd5 17.Nd5 Qd5+= (worse is 17...Ba1 18.Nb6 Bc3 19.Na8+=)) 16...Nd5 17.Nd5 cd5 18.g3 Nd7 19.Rc1 (19.Bb4!?=) 19...Nc5–/+ 20.Rc5 Bf8 21.Rc1 Qa5 22.0-0 Rec8 23.Nb1 Be6 24.Qd2 Qd2 25.Nd2 Ba3 26.Rc8 Rc8 (26...Bc8?! 27.Nb1 Bb2 28.Rd1+=) 27.Bd1 Bb4 28.Nb1 a3 29.f3? (29.Bb3 Kf8–+) 29...Kf7 (better is 29...f4!? 30.Na3 fe3 31.Nc2 Rc2 32.Bc2 ef3 33.Rf3–+) 30.Kf2 Ke7 31.Bb3 Kd6 32.Rd1 Bd7 33.b6 Bb5 34.Nd2 Bd3 35.g4? (35.Ba4 Ba6–+) 35...Rc6 (35...fg4 36.fe4 de4 37.Kg3–+) 36.gf5 gf5 37.Ba4 Rb6 38.Nf1? (38.Bb3–+) 38...Bc3 39.Ng3 (39.Rc1 Rb2 40.Kg3 Bb4–+) 39...Rb2 40.Kg1 b5 (40...b5 41.Nf5 Ke6 42.Bb5 Bb5 43.Ng7 Kd7 44.fe4 Be2–+) 0–1. Morriss,P (2075) – Pritchett,C (2320), 122nd ch–SCO, 2015.

9.Be2 c6

10.a4 a5 11.b5 c5 12.Nb3 b6 13.dc5 dc5 14.0-0 Be6 15.Qc2 Qc7 16.Rfd1 Nbd7 17.Rd2 Ne5 18.Nd5 Bd5 19.cd5 Neg4 (19...Qd6 20.Be5 Qe5 21.d6=) 20.d6+/- Qd7 21.h3 Nh6 22.Bc4 Kh8 23.Rad1 Rad8 24.Bc3 Qa7 25.d7 Rd7? (better is 25...Qc7+/-) 26.Bf6+- Rd2 27.Bg7 (27.Qd2 Bf6 28.Qd6 Bg7+=) 27...Qg7 28.Rd2 Nf7 29.Bf7 Qf7 30.Rd6 c4 (30...Rb8+-) 31.Nd2 Rc8 32.Nc4! (worse is 32.Rb6 c3+-) 32...Qc4 (32...Rc4 33.Rc6 Double attack (33.Rc6 Decoy); 32...Qc4 33.Rc6 Double attack (33.Rc6 Decoy)) 33.Rd8!! Kg7 (33...Rd8 34.Qc4 Deflection (34.Qb2 Decoy)) 34.Rc8 (34.Rc8 Qc2 35.Rc2+-) 1–0. usingprogram (1820) – jarosk (1790), kurnik, 2011.

10.a4 Be6 11.0-0 Na6 12.Qb3 Nc7 13.b5 a6 14.b6 Nce8 15.a5 h5 16.Qa3 g5 17.h3 Bf7 18.c5 d5 19.Qb4 f4 20.ef4 gf4 21.Nb3 Kh7 22.f3 e3 23.Nc1 Bh6 24.Bd3 0–1. b4_player – verry, casual, 2013.

10.a4 Qe7 11.g3 (11.0-0 Be6+=) 11...Be6 12.a5 a6 13.b5 (13.Qb3 d5=) 13...c5 (13...cb5 14.cb5 ab5 15.Bb5=+) 14.Nb3 Nbd7 15.0-0 Rac8 16.Ba3 (16.d5 Bf7=) 16...Rfd8 (16...Ng4 17.Rc1=) 17.Rc1 (17.d5 Bf7=) 17...h5 (17...cd4 18.ed4 Bc4 19.Bc4 Rc4 20.ba6=) 18.dc5 (18.d5!? Bf7 19.Bb2+=) 18...dc5=+ 19.Qc2 Qf7 20.ba6 ba6 21.Na4 Bf8 22.Rfd1 h4 (22...Qe7 23.Rd2=) 23.Nb6 (better 23.Nac5!? Nc5 24.Rd8 Rd8 25.Bc5 hg3 26.hg3+/- (26.fg3?! Bc5 27.Nc5 Qa7 28.Ne6 Qe3 29.Kh1 Rd2=)) 23...Rb8 24.Rd2 Be7 25.Rcd1 hg3 26.hg3 Kg7 (better 26...Nb6 27.Rd8 Bd8 28.ab6 Bb6 29.Nc5 Bc8=) 27.Bb2?? (better 27.Nc5 Nc5 28.Rd8 Bd8 29.Bc5+/-) 27...Nb6-/+ 28.Rd8 Bd8 Exerts pressure on the isolated pawn 29.ab6 Bb6 30.Qc3 a5 (30...Qe7 31.Qe5 Bc7 32.Rd7 Be5 33.Re7 Bf7 34.Be5 Rb3 35.Rc7+=) 31.Rd6 (31.Qe5!? Bc7 32.Qc3=) 31...a4-/+ 32.Nd2 Rb7 (32...Bd8 33.Ba3 Rc8 34.g4=+) 33.g4= Bc7 (33...Ba5 34.Qa5 Rb2+/-) 34.Rc6+= a3 35.Qa3 fg4?? (better 35...Qd7 36.Rc7! Qc7+/-) 36.Ne4+- (36.Rc5?! Bf5 37.Rc6 Bd8+/-; 36.Qc5?! Bh2 37.Kh2 Rb2+/-) 36...Bd8 (36...Kh6 37.Nf6 (37.Nc5 Be5 38.Nb7 Ne4=) 37...g3 38.f4+- (38.Rc5?! gf2 39.Kg2 Bd8+-)) 37.Qc3 (better 37.Ng5 Rb2 38.Qb2+- (38.Re6?! Rb1 39.Bf1 Qd7=)) 37...Rb2 38.Qb2 Bf5 39.Nf6 Bf6 40.Qb6 (40.Qb8 Bd7 41.Rc5 Bh4 42.Qe5 Kg8+-) 40...g3 (40...Be7 41.Qc7 (worse 41.Rc5 Bc5 42.Qc5 Qe6+-) 41...Kg8 42.Qe5+- (42.Rc5?! Bc5 43.Qc5 Qb7+-)) 41.Rc7 (41.fg3!? Be5+-) 41...gf2 42.Kf2 Bd7 43.Ke1 Bh4 44.Kd2 Bd8 45.Qc5 (45.Qb2 Kg8 46.Ra7+- (46.Rc5?! Qf8 47.Rd5 Bc6+-)) 45...Bc7 46.Qc7 Qe6 47.Qc5 Kh6 (47...Bc6!?+/-) 48.Qf8+- Kh7 49.Bd3 Be8 (49...Bc6 50.c5+-) 50.Qf4 Qe7 51.Qd4 Kh6 52.Qh8 (52.Be4 Bd7+-) 52...Kg5 53.Ke2 Bd7 54.Qh2 Bg4 55.Kf2 Qf6 56.Kg1 Qa1 57.Bf1 Bf5 58.Qf4 Kf6 59.Qd4 Qd4 60.ed4 Bc2 61.Kf2 g5 62.Ke3 Bb3 63.Be2 Ba2 (63...Kf5 64.Bd3 Ke6 65.c5+-) 64.Ke4 Bb3 65.c5 Bc2 66.Kd5 Bf5 67.Kd6 g4 68.c6 g3 69.Bf3 Kg5 (69...Bh3 70.c7+-) 70.Ke5 Bh3 71.c7 (better 71.d5 g2 72.Bg2 Bg2+-) 71...Bd7 72.d5 Bc8 73.Bg2 (better 73.d6 Kg6 74.Bb7+-) 73...Bd7 (73...Kg6+-) 74.Kd6 Bc8 75.Ke7 Bb7 (75...Kf4 76.d6 Ke3 77.d7 Bd7 78.Kd7+-) 76.d6 (76.d6 Bg2 77.c8Q Bf1 78.d7 Kg4 79.d8Q Kf3 80.Qd5 Kf2 81.Qcc5 Ke2 82.Qe4 Kd2 83.Qcc2) 1-0. Baranov,G (2315) - Pankratov,O (2100), Republic of Adygea Rapid, 2019.

10.Qc2 d5 11.b5 cb5 12.cb5 b6 (12...Be6 13.0-0+=) 13.a4 Nbd7 14.Ba3. Adam – Hein, corr, 1972.

8.Be2 0-0

9.0-0 c5 10.a3 a5 11.Qb3 ab4 12.ab4 Ra1 13.Ba1 Na6 14.bc5 dc5 15.d5 Qd6 16.Na3 Bd7 (16...Nc7 17.Rd1+=) 17.Nb5 (17.Qb7 Nb4+/-) 17...Bb5+= 18.Qb5 Rb8 19.Rb1 Nd7 20.Bg7 Kg7 21.f3 ef3 22.Bf3 Nb4 23.e4 Qf4 1-0. jhonores (2215) - AS_84_TS_20 (2220), Rated Blitz game, lichess.org, 2020.

9.0-0 c6 10.Nc3 Nbd7 11.a4 g5 12.Qb3 Kh8 13.Rfd1 Qe7 14.a5 c5 (better 14...f4!?+=) 15.bc5+/- dc5 16.Nd5 (16.Na4 f4+/-) 16...Nd5 17.cd5 cd4 18.Bd4 (better 18.Ba3!? Qd8 19.Bf8 Nf8 20.ed4+/-) 18...Bd4= 19.ed4 f4 (better 19...Nf6!?=) 20.d6! Qe8 (20...Qd6 21.Ne4 Double attack (21.Ne4 Deflection; 21.Ne4 Decoy)) 21.Qd5 (21.Re1 Nf6+/-) 21...Nf6 22.Qg5 e3 (22...f3 23.Bc4+/- (23.gf3? Rg8 24.Qg8 Qg8 25.Kh1 Bf5-+)) 23.Nf3 (23.fe3 Qe3 24.Kf1 Bd7+/-) 23...ef2+= 24.Kf1 Ng4 25.Rd2 (25.Rdc1 Bf5+=) 25...Qe3 (25...Rg8 26.Qe7 Ne3 27.Kf2 Rg2 28.Ke1=+) 26.Rad1 (26.Rd3 Qe4 27.Ne5 Ne3 (27...Nh2? 28.Kf2 b6 29.ab6+-) 28.Kf2 Qd5+/-) 26...Bf5 (better 26...Rg8 27.Qh5 Qe6=+) 27.h3+/- Rg8? (better 27...Nf6 28.Qf5 Ne4 29.Qe5 Rf6+/-) 28.Qf5 Raf8 (28...Qd2 29.hg4 (worse 29.Nd2 Ne3 30.Kf2 Nf5=+) 29...Qa2 30.Qe5 Rg7 31.Nh4+-) 29.Qd5 (29.Qh5 Nf6 30.Qe5 Rg7+-) 29...Nf6 (29...Qd2 30.Qg8 (30.Nd2?! Ne3 31.Kf2 Nd5=; 30.hg4 Qe3+-) 30...Rg8 31.Rd2 (worse 31.Nd2 Ne3 32.Kf2 Nd1 33.Bd1 Rf8+-) 31...Ne3 32.Kf2 Rg2 33.Ke1+-) 30.Qe5 (30.Qb7?? Nh5 31.g4 fg3-+) 30...Qe5 (30...Rg7 31.Bd3 Nd7+-) 31.de5 Ne4 32.Rd4 (32.Rb2 Rg7+-) 32...Nc3 (32...Ng3 33.Kf2 Ne2 34.Ke2 Rg2 35.Ke1+-) 33.Bc4 (better 33.R1d2!? b5+-) 33...Nd1 34.Bg8 (better 34.Rd1!? Rg7+-) 34...Ne3 35.Kf2 Rg8 (35...Kg8 36.e6 Nf5 37.d7+-) 36.e6 (better 36.d7 Rg2 37.Ke1 Nc2 38.Kd1 Ne3 39.Kc1 Rg8+-) 36...Nf5 (36...Rg2 37.Ke1 Nc2 38.Kd1 Nd4+-) 37.e7 (better 37.d7 Ne7 38.d8Q Rd8 39.Rd8 Kg7 40.Rd7+-) 37...Nd4 (37...Kg7 38.d7 Ne7+-) 38.d7 (38.Nd4 Kg7 39.d7 Kf7+-) 38...Ne6 (38...Nc6 39.e8Q h6+-) 39.e8Q Ng7 40.Qf7 (better 40.Qg8 Kg8 41.d8Q Kf7 42.Qc7 Ke6 43.Qg7+-) 40...Ne6 41.Qe7 (41.Qf6 Rg7 42.Ng5 Nd8 43.Qd8 Rg8 44.Qf6 Rg7 45.d8Q) 41...Nf8 (41...Rg6 42.Nd4! Rg5 43.Ne6 Rg2 44.Kg2 f3 45.Kf3 b5 46.d8Q) 42.Ne5 (42.Qf6 Rg7 43.Qf8 Rg8 44.Qf6 Rg7 45.d8Q) 42...Ng6 43.Nf7 (43.Qf6 Rg7 44.d8Q Nf8 45.Qdf8) 43...Kg7+- 44.Ng5 (44.Qe6 Rf8 45.d8Q Rf7 46.Qd4 Kf8 47.Qc8 Ke7 48.Qdd8) 44...Kh6?? (better 44...Ne7 45.Ne6 Kf6-/+) 45.h4 (45.Qh7 Kg5 46.Qg8 Kf6 47.d8Q Kf5 48.Qf7 Ke5 49.Qfd5) 45…Nh4 (45...Nh4 46.Qh7 Kg5 47.Qg8 Kf5 48.Qf7 Kg5 49.d8Q Kg4 50.Qg7 Kf5 51.Qd5). jhonores (2200) - B_stefanovic (2190), Rated Blitz game, lichess.org, 2020.

9.0-0 c6 10.Nc3 Be6 11.a4 Qe7 12.a5 Na6 13.b5 Nc7 14.Ba3 c5 15.Nb3 Nd7 16.Bb2 Bf7 17.dc5 dc5= 18.Nd5 Nd5 19.Bg7 Kg7 20.cd5 Nf6 21.d6 Qe5 22.Qc2 Rac8 23.Rac1 Rfd8 24.Rfd1 b6 25.Nd2 Rd6=+ 26.Bc4 Rcd8 27.ab6 ab6 28.Be2 f4–/+ 29.h3 fe3 (29...fe3 30.fe3 h6–/+) 0–1. Hasek,Frantisek (1765) – Blankenberg,Bruno (2440), TT–15 ETC, 2005.

9.0-0 Be6 10.Nc3 Bf7 11.a4 Nc6 12.Qb3 a6 13.a5 (13.b5 Na5 14.Qc2 Qe7=) 13...g5 (13...d5 14.b5 ab5 15.Qb5=) 14.Ra4 Ne7 15.b5 c6 (15...ab5 16.Nb5 (worse 16.Qb5 Be8 17.Qb3 Ba4 18.Qa4 Qd7-/+) 16...Ng6 17.Rb1+=) 16.bc6 bc6 17.Ba3 Rb8 18.Qa2 (18.Qd1 Ra8+=) 18...Qd7 (18...Qc7 19.Bb2=) 19.Rb1+= c5 (19...Rb1 20.Qb1 c5 21.Qb6+=) 20.dc5+/- Rb1 21.Ndb1 (worse 21.Qb1 Ng4 22.cd6 Bc3 23.de7 Re8=) 21...dc5 22.Bc5 Rc8 23.Bd4 Nc6 24.Bb6 Ng4 25.Nd5 (25.Bg4 fg4 26.Qe2 h5+/-) 25...Nge5 (25...Bd5 26.h3 (worse 26.cd5 Nb4 27.Rb4 Rc1 28.Bf1 Qd6=+) 26...Ne3 27.cd5 (worse 27.Be3 Be6=) 27...Nd5 28.Ba6+=) 26.h3 Ne7 27.Nbc3 (27.Ne7!? Qe7 28.Qc2+/-) 27...Nd5= 28.Nd5 Nd3 (28...Bd5 29.cd5 Rc1 30.Kh2 Re1 31.d6 Kf8+/-) 29.Ra3?? (better 29.Bd3 ed3 30.Ra3 Bd5 A) 31.cd5?? Rc1 32.Kh2 Qd6 33.f4 Rc2-+ (worse 33...gf4 34.Rd3 f3 35.g3-+); B) 31.Rd3 Bc4 32.Qc4 (32.Rd7? Ba2 33.Bd4 Bf8-+) 32...Rc4 33.Rd7 Rc1 34.Kh2+-) 29...Nc1-+ 30.Qd2 Ne2 31.Qe2 Bd5 32.cd5 (32.c5-+) 32...Qd5 (better 32...Rc1 33.Kh2 Qd6 34.g3 Qa3-+) 33.Ra2 Be5 (33...Rc1!? 34.Kh2 Be5 35.g3 Qd1 36.Qd1 Rd1=+) 34.Rc2= Rc2 35.Qc2 Kg7 36.g3 f4 37.gf4 gf4 38.ef4 Bf4 39.Qc3 Be5 40.Qc2 Kf6 41.Be3 Kf5 42.Qc8 Qe6 43.Qf8 Qf6 44.Qc8 Qe6 45.Qc5 Qg6 46.Kf1 Qf7 47.Bd4 Qe6 48.Ke2 Kf4 49.Be3 Kf5 50.Qf8 Qf6 (50...Bf6 51.Kf1=) 51.Qg8 (51.Qe8 Qg6 52.Qd7 Kf6+=) 51...Qg6 52.Qc8 Qe6 53.Qf8 Qf6 (53...Bf6 54.Qc5 Kg6 55.Qc2=) 54.Qg8 Qg6 55.Qd5 Qh5 (55...Qe6!? 56.Qe6 Ke6=) 56.Kd2 Qg6 57.f4?? (57.Qd7 Kf6 58.h4+=) 57...ef3?? (better 57...Qd6 58.Qd6 Bd6-+) 58.Qf3 (58.Qd3!? Ke6 59.Qa6 Bd6 60.Qc8 Ke5 61.Qc3 Ke6 62.Qb3 Ke5 63.a6 Qg2 64.Kc3=) 58...Ke6+= 59.Qc6 Kf5 60.Qc2 Ke6 61.Qb3 Kf5?? (61...Kf6 62.Qb7 Kf5 63.Bb6=) 62.Qd5?? (better 62.Qd3 Ke6 63.Qa6 Bd6 64.Qb7+-) 62...Qd6= 63.Qd6 Bd6 64.Kc3 (64.Ke2 Ke4=+) 64...Ke4=+ 65.Bg5 Kd5 (65...Kf3 66.Kc4-/+) 66.Bf6 (66.Kb3 Bc7 67.Bd2 Ke4-/+) 66...h5 (66...Kc5 67.Kd3-/+) 67.Bd8 (67.Kb3 Ke4=+) 67...Kc5-/+ 68.Kb3 (68.Kd3 Kb5-/+) 68...Kb5-+ 69.Kc3 Bb4 70.Kb3 (70.Kd3 Ba5 71.Bf6 Be1-+) 70...Ba5-+ 71.Be7 Bb6 72.Ka3?? (better 72.Kc3-+) 72...Bc5 73.Kb3 Be7 (73...Be7 74.Kc2 a5 75.Kc3 a4 76.Kc2 Kb4 77.Kb2 a3 78.Kc2 Bf6 79.Kb1 Kb3 80.Kc1 a2 81.Kd1 a1Q 82.Ke2 Qe5 83.Kf3 Qd5 84.Kf2 Bd4 85.Kg3 Qf7 86.Kh4 Qf5 87.Kg3 Qf2) 0-1. jhonores (2270) - RoGro (2345), LIGA NACIONAL DEL PERU Team Battle, lichess.org, 2020.

9.0-0 g5 10.Nc3 Qe7 11.a4 c6 12.b5 f4 13.a5 d5? (better 13...Bf5+=) 14.Ba3+- Qf7 15.Bf8 Bf8 16.a6! ba6 (16...cb5 17.cd5 ba6 18.Nde4 Ne4 19.Ne4 Qg6+-) 17.bc6 Nc6 18.Nd5 Nd5 19.cd5 Nb4 20.Ne4 h6 21.Bc4 Bf5 22.Nd2 Bd3 (22...Rc8 23.Ra5+-) 23.e4 (23.Bd3 Nd3 24.e4 Nb4+-) 23...Bc4 (23...Bf1 24.Kf1 Kg7+-) 24.Nc4 Rc8 25.Ne5 Qg7 (25...Qe8 26.Qg4+-) 26.Qg4 Rc2 27.Rfc1 Qc7 (27...Qf6+-) 28.Qe6 Kh8 29.Ng6 Kg7 30.Rc2 Nc2 31.Ra6 Nd4 32.Qf6 Kh7 (32...Kg8 33.Qf8 Kh7 34.Qh8) 33.Nf8 (33.Qh8) 33...Kg8+- 34.Rc6 (better 34.Qg6 Qg7 35.Qe8 Qf8 36.Rg6 Kh7 37.Qf8 Kg6 38.Qe8 Kf6 39.Qh8 Ke7 40.Qd4+-) 34...Nc6 35.Qc6 (better 35.Ne6 Qf7 36.Qh6+-) 35...Qa5 36.h3 Qe1 37.Kh2 Qf2 38.Qg6 (38.Qh6?! Qg3 39.Kg1 Qe1 40.Kh2 Qg3 41.Kh1 Qe1 42.Kh2 Qg3=) 38...Kf8 39.Qf6 (better 39.Qh6 Ke7 40.Qg5 Kd6 41.Qf6 Kc5 42.Qc3 Kd6 43.Qa3 Kd7 44.e5+-) 39...Kg8 40.Qg6 Kf8 41.Qf5?? (better 41.Qh6 Ke7 42.Qg5 Kd6 43.Qf6 Kc5 44.Qc3 Kd6 45.Qa3 Kd7 46.e5+-) 41...Kg8 42.Qe6 Kf8?? (better 42...Kg7=) 43.Qc8 (43.Qc8 Ke7 44.Qc7 Ke8 45.Qc6 Ke7 46.d6 Kf6 47.d7 Ke7 48.Qc7 Qg3 49.Kg1 Qe3 50.Kh1 Qe1 51.Kh2 Qg3 52.Kg1 Qe3 53.Kh2 Qg3=) 1-0. jhonores (2210) - Tempete (2170), Rated Blitz game, lichess.org, 2020.

9.Nc3 c6 10.0-0+= d5 11.cd5 cd5 12.b5 Be6 13.a4 Nbd7 14.Nb3 b6 15.Ba3+= Rf7 16.Rc1 Bf8 17.Bf8 Qf8 18.Na1 Qh6 19.Nc2 g5 20.Nb4 f4 21.f3 Rg7 22.fe4+/- de4 23.Nc6 f3 24.gf3 g4 25.f4 g3 26.hg3 Qh3 (26...Qh3 27.Qe1 Rg3 28.Qg3 Qg3 29.Kh1 Kf7 30.Bh5 Nh5 31.Ne5 Ne5 32.fe5 Ke7 33.Nd5 Bd5 34.Rc7 Ke6–+) 0–1. Lehr,Thomas – Krause,Ullrich, Schleswig Holstein–chF, 1989.

6.d4 Bg7

7.Qb3 ed4 8.ed4 0-0 9.Be2 Re8 10.Nc3 Nc6 11.0-0 Ne4 12.Nd5 Be6 13.Rac1 (13.Nf4 Bf7 14.Rfe1 Ng5+=) 13...Ne7 (13...a5 14.a3=) 14.Nf4 Bf7 15.d5 g5 16.Bg7 Kg7 17.Ne6 Be6 18.de6 Qc8 (18...Ng6 19.Nd4 Qf6 20.Qe3+=) 19.Nd4 (19.c5!? dc5 20.bc5+/-) 19...c5= 20.Nb5 a6 (worse 20...Qe6 21.Nc7 Qf6 22.Rfe1+/-) 21.f3 ab5 22.fe4 Qe6 23.bc5 Qe4 (23...dc5 24.Qc3 Qf6 25.e5=) 24.Bf3 Qd4 25.Kh1 b4 (25...dc5 26.Qb5 Qf6 27.Rce1+=) 26.cd6+= Ng6? (better 26...Qd6 27.c5 Qd2+/-) 27.Bb7 Rab8 28.Bd5 (28.Qb4 Ne5+-) 28...Red8 (28...Re5 29.Qa4+-) 29.c5 Nf4 30.Rfd1 Qf2 (30...Qe5 31.Bf3+-) 31.Qc2 (31.Rc2!? Qh4+-) 31...Qc2 32.Rc2 Re8 33.Bc6 (33.Bc6 Re5 34.Bd7+-) 1-0. jhonores (2205) - Iwin10 (2095), Rated Blitz game, lichess.org, 2020.

7.Qb3 e4 8.Nfd2 0-0 9.Be2 c6 10.a4 Be6 11.0-0 d5 12.b5 Nbd7 13.Nc3 dc4 14.Bc4+/- (14.Nc4?! Rc8=) 14...Bc4 15.Nc4 (15.Qc4?! Rf7+=) 15...Kh8 (15...Nd5!?+/-) 16.Ba3+- Nd5 17.Bf8 Nf8 18.bc6 bc6 19.Rab1 Ne6 20.Ne5 Rc8?? (better 20...Be5 21.de5 Nc5+-) 21.Nd5 (21.Nf7 Kg8 22.Nd8 Rd8 23.Nd5 cd5+-) 21...cd5 (21...Qd5 22.Qd5 cd5 23.Rfc1+-) 22.Rfc1 (22.Nf7 Kg8 23.Nd8 Rd8+-) 22...h5 (22...Be5 23.Rc8 Bh2 24.Kh2 Qc8+-) 23.Rc8 (better 23.Nf7 Kg8 24.Nd8 Rd8 25.Qb7+-) 23…Kh7 1-0. jhonores (2165) - SuperKoks (2150), Rated Blitz game, lichess.org, 2020.

6.Be2 Bg7

7.0-0 a5 8.Qa4 (8.b5 e4 9.Nd4 0-0 10.d3 Qe7 11.Nc3 Nbd7 12.a3 Qf7=) 8...Qd7 (8...Nbd7 9.d4 e4 10.Nfd2 0-0 11.ba5 Nb8 12.Nc3 Nc6=; 8...Bd7 9.b5 e4 10.Ne1 Be6 11.d4 0-0 12.Nd2 Nbd7=) 9.b5 e4 10.Nd4 Qe7 11.Nb3 Be6 12.d4 ed3=.

7.0-0 c5 8.a3 e4 (8...0-0 9.d3 Qb6 10.Qd2 Nc6 11.Nc3 Qc7 12.Rfc1 Re8+=) 9.Ne1 0-0 10.Nc2 Nbd7 11.d4 Nb6 12.a4 Bd7=.

7.0-0 e4 8.Nd4 0-0 9.a3 a5 10.d3 ab4 11.ab4 Ra1 12.Ba1 Na6=.

7.0-0 e4 8.Nd4 0-0 9.b5 c5 10.bc6 Nc6=.

7.0-0 e4 8.Nd4 c5 9.bc5 dc5 10.Nb3 Na6 11.Nc3 0-0 12.Rb1 Qe7=.

7.0-0 e4 8.Nd4 Qd7 9.d3 0-0 10.Nd2 Na6 11.a3 ed3 12.Bd3 c5+=.

7.0-0 e4 8.Ne1 Be6 (8...c5 9.a3 0-0 10.d3 Be6 11.Nd2 Qe7 12.Rc1 Nbd7=; 8...0-0 9.d4 c5 10.Nc2 Nbd7 11.Nd2 a5 12.a3 ab4+=) 9.d4 d5 10.c5 0-0 11.Nc3 Nbd7 12.b5 c6=.

7.0-0 e4 8.Ng5 h6 (8...Nh5 9.Bg7 Ng7 10.Nh3 Nc6 11.f3 Nb4 12.fe4 fe4=; 8...Nc6 9.a3 h6 10.Nh3 g5 11.Nc3 Be6 12.Nd5 Rg8=) 9.Nh3 0-0 10.d3 g5 11.Nc3 Qe7 12.Nd5 Nd5=.

7.Qb3 Qe7 8.b5 0-0 9.d4 Ne4 10.Nc3 ed4 11.Nd5 Qf7 12.Bd4 c6 13.Nc3 Nd7 14.a4 Ndc5 15.Qc2 Be6 16.Nb1 Rac8 17.0-0 d5 18.Nbd2 b6 19.g3 h6 20.Bg7 Qg7 21.Nd4 Bd7 22.N2f3 cb5 23.ab5+/- Be6 24.Nc6 a5+= 25.Nfd4 dc4 26.Ne6 Ne6 27.Bc4 N4c5 28.Qa2 Rfe8 29.Nd4 Qf6 30.Rac1 Kg7?? 31.Ne6 Ne6+= 32.Be6 Rc1 33.Rc1 Qe6 34.Qb2 Qe5+= 35.Rc7 Kf6= 36.Rc6 Re6 37.Re6 Ke6–/+ 38.Qe2 Qc5 39.f4 Qb4 40.Kf2 a4 41.Qd3 a3 42.Qd8 Qb5 43.Qg8=+ Kd7 44.Qf7 Kc8 45.Qf8 Kb7 46.Qa3 Qc6 47.Qe7 Ka6 48.Qa3 Kb5 49.Qb3 Kc5 50.Qc3 Kb5 51.Qb3 Ka5 52.Qa3 Kb5 53.Qb3 Ka5 54.Qa3 Kb5 55.Qb3 ½–½. Busse,Klaus – Weyerstrass, Interne Laren, 1974.

7.Nc3 0-0 8.a3 Be6 9.0-0 Nc6 10.d3 d5 (10...Qe7 11.Ng5+=) 11.cd5 (better is 11.b5!? Ne7 12.Ne5+/-) 11...Nd5+= 12.Nd5 Bd5 13.Qc2 (13.b5 Na5+=) 13...Qe7 14.b5 Nd8 15.a4 c6? (better is 15...c5!?+=) 16.Ba3+/- Qf7 17.Bf8 Qf8 18.bc6 Nc6 19.Rac1 e4 20.de4 Be4 (20...Nb4 21.Qb1 (21.ed5?! Nc2 22.Rc2 Rc8=) 21...fe4 22.Nd2+-) 21.Qc4 (21.Qb3!? Kh8+-) 21...Kh8 22.Nd4 1–0. Fournier,Frederic (1890) – carman2 (1915), Active (3/0), 2004.

7.Nc3 0-0 8.Qc2 Be6 9.0-0 Nbd7 10.Ng5 Qe7 11.Ne6 Qe6 12.Rfd1 c6 Black prepares e4 13.a4 Rac8 14.Rac1 Kh8 15.b5 d5 Black prepares the advance e4 16.d4 e4 (16...ed4 17.bc6 Rc6 18.ed4+=) 17.Qb3 h5 (17...Nb6 18.cd5 cd5 19.Ba3+=) 18.Rc2 Rf7 (18...cb5 19.Nb5 (19.Nd5 bc4 20.Bc4 Rc4 21.Rc4 Qd5-/+; 19.Qb5?! dc4 20.Qb7 a6+=; 19.cd5?! ba4 20.Qb7 Nd5+=; 19.cb5?! Bh6+=) 19...a6 20.Na7+=) 19.Rdc1 Ng4 (better 19...Nb6!? 20.cd5 cd5+/-) 20.h3 Ndf6? (20...Ngf6 21.Nd5! Qe8 22.Nf4+-) 21.cd5 (better 21.hg4!? fg4 22.Nd5 Qf5 23.Nf6 Rf6+-) 21...cd5 22.hg4 fg4 23.g3 (23.a5 g3 24.fg3 Bh6+-) 23...h4 (23...g5 24.Kf1+-) 24.gh4 Qf5 (24...g3 25.Kg2 (25.fg3?! Qh3+=) 25...gf2 26.Rf1+- (26.Kf2 Qh3 27.Ke1 Qe3-+)) 25.Nd1 Rcf8 (25...Rc2 26.Qc2 Kh7+-) 26.Rc5 (better 26.Ba3 Rd8 27.b6 ab6 28.Qb6+-) 26...g3 27.fg3?? (better 27.Kg2 gf2 28.Nc3+-) 27...Ng4?? (27...Qh3 28.Nf2 Qg3 29.Kf1 Ng4-+) 28.Bg4 (better 28.Rd5 Qf6 29.Ba3+-) 28...Qg4 (28...Qf1 29.Kh2 Rf2 30.Nf2 Rf2) 29.R5c2 (29.Kh2 Qe2 30.Kh3 Qf1 31.Kh2 Rf2 32.Nf2 Rf2) 29...Rf1 (29...Qg3 30.Rg2 Rf1) 30.Kg2 (30.Kh2 Rh1!! 31.Kh1 Qh3 32.Kg1 Rf1) 30...Qf3 (30...Rh1 31.Kh1 Qh3 32.Kg1 Rf1) 31.Kh2 (31.Kh3 Rh1 32.Rh2 Qf5 33.Kg2 Qf1) 31…Qh1 0-1. Steklo1983 (2155) - WernDK (2125), Rated Blitz game, lichess.org, 2016.

7.d3 Be6 8.Nbd2 Nbd7 9.0-0 Qe7 10.a4 c6 11.b5 0-0 12.Qc2 Bf7 13.a5 d5 (13...cb5 14.cb5 Rac8 15.Qb1=) 14.Ba3 (better is 14.a6!? Rab8 15.ab7 cb5 16.cb5 Rb7 17.Ba3+-) 14...c5= 15.cd5 Nd5 16.e4 Nb4 17.Bb4 c4?? (better is 17...cb4 18.Qa4 Rfc8=) 18.Be7+- (18.Be7 Rfe8 19.Bd6 cd3 20.Qd3+-) 1–0. Fournier,Frederic (1630) – Elementor, Active, 2006.

7.d4 Qe7 A) 8.Nc3 e4 (8...0-0 9.de5 de5 10.Nd5 Nd5 11.Qd5 Kh8 12.Be5 Qb4+=; 8...a5 9.Qa4 Nbd7 10.c5 dc5 11.de5 Ne4 12.Nd5 Qd8+-) 9.Nd2 0-0 10.0-0 f4 11.Qb3 c6 12.ef4 e3=; B) 8.0-0 e4 (8...Nbd7 9.Nc3 e4 10.Nd2 0-0 11.c5 d5 12.Qa4 Qe6+=) 9.Nfd2 0-0 10.a3 Be6 11.d5 Bf7 12.Qb3 Nbd7=; C) 8.de5 de5 9.c5 e4 10.Nd4 Bd7 11.Nc3 Nc6 12.Nc6 Bc6=.

7.0-0 0-0

8.a3 Nc6 9.d4 ed4 10.Nd4 Nd4 11.Bd4 Ne4 12.Bg7 Kg7 13.Qd4 Qf6 14.Qf6 Kf6 15.f3 Ng5 16.Nc3 Re8?? (better 16...Be6=) 17.Nd5+- (17.Nd5 Kf7 18.Nc7 Re3 19.Kf2 Re2 20.Ke2+-) 1-0. amirgloo (1850) - KaspaCarlsen11 (1815), lichess.org, 2020.

8.a4 a5 9.b5 b6 10.d4 Bb7 11.de5 de5 12.Be5 Qe7 13.Bd4 Nbd7 14.Nbd2 Nc5 15.Nb3 Nce4 16.Qc2 Rfe8 17.c5 Rad8 18.cb6 cb6 19.Bb6 Nd5 20.Bd4 Nb4 21.Qb2 Bd4 22.Nbd4 h6 23.Rfc1 Nf2 24.Kf2 Qe3 25.Kf1 Nd3 26.Bd3 Qd3 27.Kg1 Bf3 28.Nf3 Re2 29.Qc3 Rg2 30.Kg2 Qe2 31.Kh1 Rd3 32.Qc4 Kg7 33.Rf1 Qe3 34.Rae1 Qf3 35.Rf3 Rf3 36.Qd4 Kf7 37.Qd5 1–0. carocan (1670) – jencis (1630), internet, 2013.

8.Qb3 Be6 9.a4 h6 10.d4 Nbd7 11.de5 Ne4 12.ed6 Nd6 13.Nbd2 g5 14.Bg7 Kg7 15.Qc2 Kg6 16.Nd4 Bf7 17.c5 Ne4 18.Ne4 fe4 19.Qe4 Kg7 20.Rfd1 Nf6 21.Nf5 Kh8 22.Rd8 Ne4 23.Rf8 Rf8 24.Bf3 Nc3 25.b5 Bd5 26.Nd4 c6 27.bc6 bc6 28.Bd5 cd5 29.c6 Rc8 30.Kf1 Kg7 31.Ra3 Ne4 32.Ke2 Kf6 33.f3 Nd6 34.Rb3 Nc4 35.Rb7 a5 36.g3 h5 37.f4 gf4 38.gf4 Nd6 39.Ra7 Nc4 40.c7 Ke7 41.Nb5 Kd7 42.Ra6 1–0. carocan (1740) – crazyhorse66 (1625), internet, 2013.

8.b5 h6 9.d4 e4 10.Nfd2 Qe7 11.a4 a5 12.Ba3 Be6 13.c5 Nbd7 14.cd6 cd6 15.Bc4 Nb6= 16.Be6 Qe6 17.Qb3 Nfd5 18.Nc3 Rad8 19.Nd5 Nd5 20.Rac1 Kh8 21.Nb1 f4 22.Nc3 f3 23.gf3 ef3 24.Kh1 Rf5 25.Nd5?? Rd5 26.Rg1+/- Rd7 27.Rg3 Qe4 28.b6 h5? 29.Rcg1 Bf6 30.Rg6 Rg7 31.Rh6 Rh7 32.Rf6 (32.Rf6 Rg7 33.Rh6 Kg8 34.Rd6 Rg1 35.Kg1+-) 1–0. hal1958 – DerSchlachter, playchess.de, 2002.

8.Nc3 Nc6 9.b5 Ne7 10.Qb3 Kh8 11.c5 h6 12.cd6 cd6 13.Rac1–+ 1–0. Dopper – Kukula, corr 3GMM½–06 1997–98 (Dopper).

8.Nc3 Be6 9.d4 Nbd7 10.Qb3 a6 11.a4 c6 12.b5 ab5 13.ab5 e4 14.Nd2 d5 15.c5 h5 16.Ra8 Qa8 17.Ra1 Qc8 18.Na4 g5 19.Nb6 Nb6 20.cb6 f4 21.bc6 Qc6 22.Rc1 Qe8 23.Rc7 Bc8 24.Bb5 Qe6 25.Ba3 Rf7 26.Qc3 Bd7 27.Bd7 Rd7 28.Rc8 Kh7 29.Bf8 f3 30.Bg7 Kg7 31.Rc7 Qg4 0–1. brother – dmisike (1780), internet, 2013.

8.d3 c6 9.Nbd2 Na6 10.a3 Nc7 11.a4 Bd7 12.b5 Rb8 13.Qc2 Qe8 14.Rfe1 a6 (14...Ne6 15.Rab1=) 15.b6 (15.c5!? dc5 16.Be5+/-) 15...Ne6+= 16.a5 Rd8 17.Ba3 Bc8 18.Rad1 Rf7 19.h3 c5 20.Bb2 Bd7 21.Ra1 Bc6 22.e4 f4 23.Nb1 Kh8 24.Nc3 Qg8 25.Nd5 Bd5 26.cd5 Nd4 27.Nd4 cd4 28.f3 (28.Rac1!?+/-) 28...Rc8+= 29.Qa4 Nh5 30.Bf1 Ng3 31.Rec1 Rff8 32.Rc8 Rc8 33.Rc1 Qd8 34.Qa1 Bf6 35.Rc8 Qc8 36.Qc1 Qc1 37.Bc1 Kg7 38.Ba3 Be7 39.Kf2 g5 40.Be2 h5 41.Bd1+/- Kf7? 42.Ba4+- g4 43.hg4 hg4? 44.Bd7?? Bh4+/- 45.Kg1 Ne2= 46.Kf1 Ng3 47.Kg1 Ne2 48.Kh2 Bg3 49.Kh1 gf3 50.gf3 Nc3?? 51.Bc8 Nb5 52.Bb4 Ke7 53.Bb7 Kd8 54.Ba6 (54.Ba6 Nc7 55.Bc4+-) 1–0. Fournier,Frederic (1885) – j32s (1875), Active (5/0), 2005.

8.d4 e4

9.Nfd2 c5 10.a3 cd4 11.Bd4 Nc6 12.Bb2 a5=.

9.Nfd2 c6 10.a4 d5 11.b5 Be6 12.Nc3 Nbd7 13.c5 Qc7 14.Qb3 f4 (better is 14...Bf7!?=) 15.Nce4!+/- fe3 (15...de4 16.Qe6 Double attack (16.Qe6 Pinning; 16.Qe6 Deflection; 16.Qe6 Decoy); 15...Ne4 16.Ne4 Combination) 16.fe3 Bf5? (better is 16...Bg4!? 17.Bf3 Ne4 18.Ne4 Bf3 19.gf3 Rf5+/-) 17.Nd6+- Be6 18.e4 Bh6 19.Rad1 Ne4?? (19...Rab8+-) 20.N2e4 Rf1 21.Bf1 Rf8 22.Re1 Nf6 (22...Bf4+-) 23.Nf6 Rf6 24.Ne8 Qf7 (24...Rf1 25.Rf1 Qc8 26.Nd6+-) 25.Nf6 Qf6 26.Qg3 Bf4 (26...Bf8 27.Qb8 Qe7 28.Qa7+-) 27.Re6! Qf5 (27...Qe6 28.Qf4 Deflection (28.Qf4 Overloading)) 28.Qe1 Qh5 29.Re8 Kg7 30.Qe7 Kh6 31.Qf8 Kg5 32.Re5! Be5 (32...Be5 33.Bc1 Mate attack) 33.Bc1 Kh4 34.Qf2 1–0. Janek – Bonnie, internet, 2016.

9.Nfd2 c6 10.a4 d5 11.b5 Be6 12.Nc3 Nbd7 13.f4 Rc8 14.Qb3 Kh8 15.a5 Rf7 16.a6 ba6 17.bc6 Rc6 18.Nd5 Bd5 19.cd5 Rb6 20.Qa2 Nf8 21.d6 Rfb7 22.Ba3 N8d7 (22...N6d7 23.Nc4 Rb3 24.Bc1+-) 23.Rfc1 h6 24.Nc4 Rb3 25.Ne5 Ne5 (better is 25...Qe8!?+/-) 26.de5+- Nd5? (26...Nd7 27.Ba6 Rb8 28.Qb3 Rb3+-) 27.Ba6 Rb8 (27...Ne3 28.Bb7 Rb7 29.Qe6+-) 28.Rc8! Rc8 29.Qb3 (29.Qb3 Nf4 30.ef4+-) 1–0. pierred (2800) – wvmaniac (2665), net–chess.com, 2016.

9.Nfd2 c6 10.Qb3 Be6 11.Nc3 Nbd7 12.a4 Bf7 13.b5 d5 14.Ba3 Re8 15.cd5 cd5 16.Rac1 g5 17.f4 ef3 18.Rf3 Ne4 19.Nce4 de4 20.Rf5 Bb3 0–1. carocan (1730) – fleksern (1620), internet, 2013.

9.Nfd2 Nc6 10.b5 Ne7 11.Nc3 g5 12.c5 d5 13.f3 Be6 14.Qb3 Qd7 15.a4 Ng6 16.c6 bc6 17.bc6 Qc6 18.Bb5 Qb7 19.fe4 fe4 20.Nce4 Ne4 21.Ne4 c6 22.Nc5 Qc8 23.Ba6 Qe8 24.Ba3 Rb8 25.Qc3 Rf1 26.Rf1 Bc8 27.Be2 g4 28.Kh1 Nh4 29.e4! Ng6? 30.Qg3+- Ra8 31.e5 h5 32.Qe3 Nf8 33.Qg5 Nh7 34.Qf4 Nf8 35.Bd3 Ne6 36.Ne6 Be6 37.Qg5 Bf7 38.Qf5 Bg6 39.Qg6 Qg6 40.Bg6+- 1–0. Buczinski,Henryk (2200) – Ozog,L (2000), DMSl.–Klasa A Poland, 1996.

9.Nfd2 d5 10.Nc3 Be6 11.b5 Qe7 12.Qb3 Qf7 13.cd5 Nd5 14.Bc4 Rd8? (better 14...c6+=) 15.f3+- ef3 (15...c6 16.bc6 bc6 17.fe4+-) 16.Nf3 h6 (16...Bf6 17.e4 c6 18.ed5 cd5 19.Bd3+-) 17.e4 Nf4 (17...c6 18.ed5 cd5 19.Bd3+-) 18.d5 Bc8 19.Nd2 1–0. Jan_Ek (2125) – Drakoon (2005), internet, 2020.

9.Ng5 h6 10.Nh3 c6 11.Nf4 g5 12.Nh3 (better 12.Ng6!? Re8 13.h4=) 12...f4–/+ 13.f3 (13.Re1 f3! 14.Bf1 fg2 15.Kg2 a5–/+) 13...ef3 14.Bf3 g4 15.Nf4 gf3 16.gf3 (16.Qf3 d5–/+) 16...Qe8–+ 17.Qd3 Nh5 18.Nh5 Qh5 19.Nd2 Na6 20.a3 Bf5 21.e4 Bh3 22.Rf2 Rf4 23.Kh1 Raf8 24.Rg1 d5 (24...Kh8 25.Bc3–/+) 25.Rg3 (25.cd5!? cd5 26.Qb5=+) 25...Nc7–/+ 26.Qe3 Kh8 27.a4 Qh4 28.b5 h5 (better 28...Ne6–+) 29.Ba3= R8f7 30.Bd6 R4f6 (30...Ne6 31.ed5 Bd4 32.Rh3 Qh3 33.Qe6 Qe6 34.de6 Bf2 35.Bf4 Re7 36.bc6 bc6=) 31.Be5= Re6 32.f4 Bg4 33.f5 Re8 (33...Be5 34.de5 Re8 35.bc6 bc6 36.e6 Ne6 37.fe6 Rf2 38.Qf2 dc4 39.Qd4 Kg8 40.Qa7 Re6 41.Qd4+-) 34.Qh6 Kg8 35.Bg7 Rg7 36.f6 (better 36.Nf3 Qg3 37.hg3+-) 36...Rf7?? (better 36...Rh7 37.f7! Rf7 38.Rf7 Kf7 39.Qh7 Kf8 40.Qc7 de4 41.Qf4 Kg7 42.Ne4 Qd8+-) 37.Rg4! Qg4 (37...Qg4 38.Rg2; 37...hg4 38.Qh4) 38.Rg2 Qg2 39.Kg2 de4 (39...Rh7 40.Qg6 Kh8 41.Kf3+-) 40.Ne4! Re4 41.Qg6 (41.Qg6 Kf8 42.Qe4 cb5 43.Qb7 bc4 44.Qa7+-) 1–0. Sternik,Ryszard – Babel,Waldemar, corr Poland–ch30 sf, 1987.

9.Ng5 h6 10.Nh3 g5 11.Nd2 f4=+ 12.Kh1? Bh3 13.gh3–/+ f3 14.Nf3 ef3 15.Bf3 c6 16.d5 Qe7 17.Kg1 Nbd7 18.dc6–/+ bc6 19.Bc6 Rac8 20.b5 Ne5 21.Be5 de5 22.Qe2 –/+. St_Jean,Benoit – Aigner,Matthias, IECG, 2000.

9.Ng5 h6 10.Nh3 g5 11.Kh1 a5 12.b5 a4=.

9.Ng5 h6 10.Nh3 Nh7 11.Nf4 Qe8 12.Nc3 c6 13.b5 Nf6 14.Rb1 g5 15.Nh5 Nh5 16.Bh5 Qe7 17.Be2 Nd7 18.a4 Nf6 19.a5 a6 20.bc6 bc6 21.Na4 Be6 22.Nb6 Rad8 23.d5 Bd7 24.Nd7 Qd7 25.Bf6 Bf6 26.dc6 Qc6 27.Rb6 Qc5 28.Qd5 Kh8 29.Rc6 Qd5 30.cd5 Be5 31.Ba6 Ra8 32.Rb1 Kg7 33.f3 ef3 34.gf3 Rf7 35.Kg2 Rfa7 36.Bb7 Re8 37.Rc7 Kf6 38.a6 Re7 39.Rc8 h5 40.h4 f4 41.hg5 Kg5 42.ef4 Bf4 43.Kh3 Re3 44.Rg1 Kf6 45.Rf8 Ke5 46.Rg6 Rf3 47.Kg2 Ra3 48.Re6 (48…Kd4 49.Rf4 Kc5 50.Rh4+-) 1–0. orane (2070) – gembird08 (2360), Live Game Caissa's Web, 2004.

7.d4 e4

8.Nfd2 0-0 9.0-0 c5 +=.

8.Nfd2 0-0 9.0-0 d5 10.Nc3 Be6 11.Qb3 Nc6 12.cd5 Nd5+=.

8.Nfd2 0-0 9.0-0 h5 10.Nc3 c6 11.Qe1 d5 12.b5 Be6 0–1. pcmvr (2225) – stobinev (2295), net–chess.com, 2006.

8.Nfd2 0-0 9.Nc3 c6 (9...c5 10.bc5 dc5 11.d5+=) 10.0-0+= d5 (10...Be6 11.Qc2+=) 11.a4 (11.cd5 cd5 12.Qb3 a6+=) 11...g5 (11...f4 12.Qb3 fe3 13.fe3=) 12.f3 (12.Rc1 f4+=) 12...ef3 13.Nf3 Ng4 14.Qd2 Re8 15.Nd1 Qe7 16.Ra3 f4 (16...Be6 17.h3 Nh6 18.c5=) 17.Bc1 Bh6 (17...Bf8 18.c5+/-) 18.h3 (18.cd5 cd5 19.a5 Nc6+=) 18...Nf6+= 19.Ne5 (19.cd5 cd5 20.ef4 A) < 20...Qe2 21.fg5 Qd2 22.Bd2+/- (< 22.Nd2 Bg5 23.Rg3 Ng4=+); B) 20...gf4=) 19...Nbd7= 20.cd5 (20.ef4 gf4 21.Nd7 Bd7=) 20...Ne5 21.de5 Nd5 22.Bc4 Be6 23.Qd4 Rad8=+ 24.Qe4 Rf8 25.ef4= gf4 26.Nf2 Bf5 27.Qe1 Bg7 28.Bf4 Kh8 29.Bg3 Nb4= 30.Rc3 Nc2 31.Qc1 Nd4 32.Re1 b5 33.ab5 cb5 34.Bf1 b4 35.Rc7= Rd7 36.Rd7 Qd7 37.Rd1 b3 38.Qd2 Rd8 39.Nd3? Bh3–/+ 40.Kh1 Bg4–+ 41.Rc1 Qf7 42.Nf4 Ne6 43.Qa5 Rb8 44.Ne6 Be6 45.Bd3 b2 46.Re1 Bh6 47.Bb1 Rg8 48.Qc3 Qd7 49.Bh4–/+ Rb8 50.Bf6 Bg7 51.Qc2 Bg8 52.e6=+ Qd5?? 53.Bg7+- Kg7 54.Qc7 Kh6 55.Qb8 (55…Qh5 56.Qh2 Qh2 57.Kh2+-) 1–0. Neese,Hans Joachim (2215) – Lieb,Harald (2325), GER–ch Seniors, 2002.

8.Nfd2 0-0 9.Nc3 Be6 10.0-0 c6 11.a4 d5 12.Qb3 Rf7 13.b5 Bh6 14.cd5 cd5 15.a5 Nbd7 16.a6 ba6 17.Ra6 Nb6 18.Rfa1 Qb8 19.Na4 Na4 20.R1a4 Qe8 (20...Bc8!? 21.Rf6 Rf6 22.Qd5 Be6+=) 21.b6+/- f4 22.Ra7 Rb8 23.Ba3 fe3 24.fe3 Qd8 25.Rf7 Kf7 (25...Rb6 26.Be7 Qb8 27.Qb6 (27.Bf6?? Rb3 28.Kf1 Rc3–+) 27...Be3 28.Kh1 Qb6 29.Rf6 Bd2 30.Ra6+/-) 26.Bc5 Kg8 27.b7 Qc7 28.Ra8 Kf7 29.Nc4 dc4 30.Bc4 Be3 31.Kh1 1–0. Bendig,Frank (2140) – Bocanegra Moreno,Rufino (2325), corr ICCF EM/CL/Q18–1 ICCF Email, 2002. (=1.Nf3 f5 2.b4 d6 3.Bb2 e5 4.e3 Nf6 5.c4 g6 6.Be2 Bg7)

8.Nfd2 c5 9.0-0 0-0 10.bc5 dc5 11.Qb3 cd4 12.ed4 Nc6+=.

8.Nfd2 d5 9.0-0 0-0 10.Nc3 Be6 11.Qb3 Nc6 12.Rac1 a6=.

8.Nfd2 d5 9.Nc3 Be6 10.cd5 Nd5 11.Nd5 Bd5 12.0-0 Nd7 13.b5 0-0 14.a4 f4 15.ef4 Rf4 16.Nc4 Kh8 17.Ne3 c6 18.Qd2 Rf7 19.a5 Nf6 20.Rfc1 Qd7 21.a6 cb5 22.Rc5 b6 23.Bb5 Qe6 24.Rc2 Ng4 (better is 24...Bh6!?+=) 25.Nd5+/- Rf2 26.Qf2 Nf2 27.Nc7 Qb3 28.Rf2 Rf8 29.Re2 Rf7 30.Rc1 Bh6 31.d5 Kg8 32.Rce1 Rc7 33.d6 Rc5 34.Bd7 Bg7 35.Bg7 Kg7 36.Bh3 Qd3 37.d7 Rd5 38.Re4 Qa6 39.Re7 Kh6 40.Be6 Rd4 41.Bg8 Qd3 42.Rh7 Kg5 43.Be6 Kf6? (43...Rf4 44.g3 Rf8=) 44.h4+/- g5 45.Rf7 Kg6 46.h5! Kh5 47.Bf5 Rd7 48.Bd3 (48.Bd7?! Qd4 49.Kf1 Qc4 50.Kg1 Qd4 51.Kf1 Qc4 52.Kg1 Qd4=) 48...Rf7 49.g3 Rf6 50.Re5 a5 51.Kg2 Rd6 52.Bf5 g4 53.Be4 Kh6 54.Kf2 a4 55.Ke3 Rd1 56.Re6 Kg5 57.Rg6 (57.Rb6?! Re1 58.Kd4 Rg1=) 57...Kh5 58.Rb6 Re1 59.Kf4 Rf1 60.Ke5 Rg1 61.Kf6 (61.Kf6 Rg3 62.Rb8 Rf3 63.Bf3 gf3 64.Kf5+-) 1–0. Bendig,Frank (2085) – Trigo,Isaac (2050), IECG, 2001. (=1.Nf3 f5 2.b4 d6 3.Bb2 e5 4.e3 Nf6 5.c4 g6 6.Be2 Bg7)

5.Nf3 h6

6.Nc3 Be7 7.Be2 0-0 8.0-0 Nh7 9.Qc2 b6 10.Nd5 Bb7 11.Qb3 c5 12.bc5 dc5 13.Ne5 Bf6 14.Ng6 Rf7 15.Nf6 Nf6 16.d4 Nbd7 17.Qc2 Nh7 18.d5 Qg5 19.Nf4 Ndf6 20.Bf3 h5 21.Ne6 Qg6 22.Rad1 Ng5 23.Ng5 Qg5 24.h3 Rd8 25.Qe2 g6 26.Bc1 Ne4 27.Qd3 Nd6 28.e4 f4 29.e5 Qe5 30.Qg6 Qg7 31.Qh5 Rf5 32.Qh4 Rdf8 33.Qg4 Rg5 34.Qe6 Nf7 35.Bf4 Rg6 36.Qd7 Bc8 37.Qa7 Bh3 38.Bg3 Ng5 39.Be2 Qa7 0–1. fjanusz52 – krzysioo, internet, 2013.

6.Be2 Nc6 7.b5+= Ne7 8.Nc3 Be6 9.0-0 g5 10.d4 e4 11.Nd2 g4? (better 11...d5+=) 12.d5+- Bd7 13.Nce4 fe4 (better 13...Ned5 14.cd5 fe4 15.Ne4 Bg7+-) 14.Bf6 Rg8 15.Ne4 Bg7 (15...Qc8 16.Re1+-) 16.f3 (better 16.Bg4 Bg4 17.Qg4 Qc8+-) 16...gf3 (16...Bf5+-) 17.Bf3 Qc8 (17...Bf5 18.Bh5 Kd7 19.Bg4+-) 18.Bg7 Rg7 (18...Kd8 19.Bh6 a6 20.Nf6+-) 19.Bh5 Kd8 (19...Rg6 20.Bg6 Ng6+-) 20.Rf8 Be8 21.Re8 Kd7 22.Nf6 1–0. Janek – Tcbuf, internet, 2018.

6.Be2 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Be2 h6).

6.Nh4 Kf7 7.Be2 g5 8.Nf3 Kg7 9.0-0 Nc6 10.b5 Ne7 11.d4 e4 12.Nfd2 g4 13.Nc3 Ng6 14.a4 a6 15.Qc2 Nh4 16.Nb3 Kg6 17.Rad1 Rg8 18.c5 d5 19.Nd2 c6 20.Rfe1 Nh7 21.ba6 ba6 22.g3 Nf3 23.Nf3 gf3 24.Bf1 h5 25.h4 Kh6 26.Kh1 Be7 27.Na2 Bh4 28.Nb4 Bb7 29.Bh3 Bg3 30.fg3 Rg3 31.Qh2 Qg5 32.Nc2?? h4 33.Rb1 Rg8 34.Ba1 f2?? 35.Rf1+= Rg1 36.Rg1 fg1Q 37.Rg1 Qg1 38.Qg1 Rg1 39.Kg1 Bc8 40.Nb4 Ng5 41.Bf1 Nf3 42.Kf2 Bb7 43.Na6 h3 44.Nc7 h2 45.Bg2 Bc8 46.a5 Kg5 47.a6 Ba6? 48.Na6 f4 49.Nb4 Kg4 50.Bh1 fe3 51.Ke3 Ne1 52.Nd5 Nc2 53.Ke4 cd5 (54.Kd5 Kg3+-; 53...Na1 54.Nb4 Kg3 55.Ke3+-) 0–1. Bonetti,Shane – shmikci (1680), ICC, 2002.

6.d4 e4

7.Nfd2 Be6 8.Nc3 a6 9.Qb3 Nbd7 10.Be2 Be7 11.0-0 Rb8 12.a4 0-0 13.g3 Kh8 14.f3 ef3 15.Bf3 c6 16.e4 fe4 17.Nce4 Ne4 18.Be4 Nf6 19.Bg6 Qd7 20.Ne4 Ne4 21.Be4 Rf1 22.Rf1 Bf6 23.d5 cd5 24.cd5 Bh3 25.Rf6 gf6 26.Bf6 Kg8 27.b5 ab5 28.ab5 Rf8 29.Qc3 Qf7 0–1. barborski – arian1984, internet, 2013.

7.Nfd2 Be6 8.Nc3 c6 9.g3 Nbd7 10.Bh3 d5 11.c5 g5 12.Qb3 Bg7 13.Nce4 Ne4 14.Ne4 0-0 15.Nd6 Qf6 16.0-0 b6 17.f3 Kh8 18.e4 de4 19.fe4 g4 20.Rf5 Bf5 21.Nf5 gh3 22.Rf1 Qf7 23.d5 Bb2 24.Qb2 Qf6 25.Qf6 Rf6 26.d6 bc5 27.bc5 Nc5 28.e5 Rf5 29.Rf5 Re8 30.Kf2 Kg7 31.Kf3 Kg6 32.Kg4 Ne6 33.Rf6 Kg7 34.Kh5 Nd8 35.Rf5 Nf7 36.d7 Rd8 37.e6 Nd6 38.Rf4 Ne8 39.de8Q Re8 40.Rf7 Kg8 41.Ra7 Re6 42.Rc7 Kf8 43.a4 Ke8 44.a5 Kd8 45.Rh7 c5 46.Rb7 Kc8 47.Rb2 Kc7 48.Rc2 Kc6 49.g4 Kb5 50.g5 hg5 51.Kg5 Ra6 52.Kg4 Ra5 53.Kh3 c4 54.Kg4 Kb4 55.h4 Kb3 56.Rg2 c3 57.h5 Ra4 58.Kg5 Ra5 59.Kg6 Ra6 60.Kh7 Ra7 61.Rg7 Ra8 62.h6 Rc8 63.Rg8 c2 0–1. lendzior (1620) – sametkryeziu (1770), internet, 2014.

7.Nfd2 Be6 8.Nc3 Bf7 9.Be2 Be7 10.Qb3 0-0 11.0-0 Nbd7 12.f3 ef3 13.Bf3 c6 14.e4 fe4 15.Nce4 Ne4 16.Ne4 d5 17.cd5 Bd5 18.Qd3 Nf6 19.Nc5 b6 20.Nb3 Bb4 21.a3 Bd6 22.Rae1 Qc7 23.g3 Bf3 24.Qf3 Nd5 25.Qh5 Bg3 26.hg3 Qg3 27.Kh1 Qb3 28.Bc1 Qg3 29.Bh6 Rf1 30.Rf1 Ne3 31.Rg1 Qc7 32.Rg7 Qg7 33.Bg7 Kg7 34.Qg5 Kf7 35.Qe3 Rg8 36.Qe4 Rg6 37.Kh2 b5 38.Kh3 a5 39.Kh4 a4 40.Kh5 Rf6 41.Kg5 1–0. barborski (1605) – mareczek111, internet, 2013.

7.Nfd2 Be7 8.Be2 0-0 9.0-0 c6 10.Nc3 d5 11.b5 g5 12.a4 Be6 13.Qb3 Nbd7 14.Ba3 c5 (14...a6 15.bc6 bc6 16.Rfb1+=) 15.Nd5+/- Bd5 (15...Nd5!? 16.cd5 Bf7+/-) 16.cd5+- cd4?? (better 16...Kg7+-) 17.d6 Kg7 (17...Rf7 18.de7 Qe8 19.ed4 Kg7+-) 18.de7 Qe8 19.ef8Q Nf8 20.ed4 f4 (20...Qd7 21.Nc4+-) 21.Bc4 Rd8 22.d5 e3 (22...N8d7 23.Rfe1 Qg6 24.Be7+-) 23.fe3 fe3 24.Nf3 (24.Rf6!? ed2 25.Qc3 Ng6 26.Re6 Kh7+-) 24...Ne4 25.Qe3 Nd7 26.Rae1 Ndf6 27.Bb2 Kg6 28.Ne5 Kh7 29.Bd3 Kg8 1-0. jhonores (2225) - Zanks (2160), Rated Blitz game, lichess.org, 2020.

7.Nh4 Kf7 8.Be2 g5 (8...d5 9.Bh5 Kg8 10.c5=) 9.Bh5+= Kg7 10.Ng6 Rg8 11.Nf8 Rf8 12.d5 Nbd7 13.h4 (13.Be2!?+=) 13...g4= 14.f3?? (14.Bg4 fg4 15.Qg4 Kf7 16.Qe6 Kg7 17.Qe4 h5=) 14...Kh7?? (14...Ne5 15.Be5 de5 16.Bg4 fg4-+ (worse 16...Ng4 17.fg4 fg4 18.Nc3+=)) 15.fg4= fg4 (15...Nh5 16.gh5 a5 17.a3+=) 16.Bg4+= Rg8? (better 16...Ne5 17.Be2 Nfg4=) 17.Bf5+- Kh8? (17...Kg7 18.Qg4 Kf7 19.Be6 Ke7 20.Qf5+-) 18.g4 (better 18.Qh5! Qf8 19.Bd7+-) 18...Ne5+/- 19.Be5 de5 20.Bc8 Qc8 21.g5 Ng4 22.Nc3 h5 23.Qe2 c6 (23...Qf5 24.Rf1 Qg6 25.c5+-) 24.0-0-0 (24.Ne4!? cd5 25.cd5 Qd8+-) 24...a5 25.dc6 (25.ba5!? Ra5 26.d6 Qe6+-) 25...ab4 26.Nd5 bc6 27.Nb4?? (better 27.Nb6 Qa6 28.Na8 Ra8 29.Kb1+/-) 27...Qb7-+ 28.Qb2 Rab8 (28...Ne3?! 29.Rde1 Ng4 30.Re4=) 29.a3 c5 (29...Ne3 30.Qe2 Nd1 31.Qh5 Qh7 32.Qh7 Kh7 33.Rd1+= (worse 33.Kd1 c5 34.Na2 Rb1 35.Nc1 Rb2-+)) 30.Rd5 cb4 31.Re5 (31.Qb4 Qf7 32.Rb5 Rbc8-+) 31...ba3 32.Qa3 (32.Qb7 Rb7 33.Rb5 Rb5 34.cb5-+) 32...Ne5 (32...Qb1 33.Kd2 Rb2 34.Qb2 Qb2 35.Kd1 Ne3 36.Ke1 Rf8 37.Rf5 Rf5 38.Rg1 Qf2) 33.Qa1-+ Rge8 34.Rf1 Kh7 (34...Qb4 35.Kc2 Qc4 36.Kd2 Qd3 37.Ke1 Qe3 38.Kd1 Red8 39.Qd4 Rd4 40.Kc2 Qd2) 35.Rf5 (35.g6 Kg6 36.Rg1 Kh7-+) 35...Nd3 (35...Qb4 36.g6 Kh6 37.Re5 Qc4 38.Kd2 Qd3 39.Ke1 Qe3 40.Kf1 Rf8 41.Rf5 Rf5 42.Kg2 Rf2 43.Kh1 Qf3 44.Kg1 Qg2) 36.Kd1 Qb3 37.Kd2 Qb4 (better 37...Ne5! 38.g6 Kg8 39.Ke2 Qc2 40.Kf1-+) 38.Ke2 (38.Qc3 Red8 39.Qb4 Nb4 40.Ke2-+) 38...Qc4 39.Qa7 Kg8 40.g6 (40.Qa1 Nf4 41.Kf2 Qe2 42.Kg3 Qg2 43.Kf4 Qf3) 40...Rb2 41.Kf1 (41.Kd1 Qc2) 41...Nc1 (41...Qc1) 42.Kg1 Qe2 (42...Ne2 43.Kg2 Nf4 44.Kg3 Rg2 45.Kf4 Qf1) 43.Qf7 (43.Qh7) 43...Kh8 44.Qh7 1-0. zembelek (2105) - fgddffd25 (2115), Rated Blitz game, lichess.org, 2015.

6.Be2 Be6

7.0-0 Nc6 8.d4+- e4 (8...ed4 9.ed4 d5 10.b5+-) 9.d5 ef3 10.Bf3 Ne5?? (better 10...Bd7 11.dc6 bc6+-) 11.de6+- Nf3 (11...c6 12.Be2 h5 13.Qc2+-) 12.Qf3 c6 (12...Ke7 13.Bf6 gf6 14.Nc3 Ke6 15.Ne2+-) 13.Qf5 Be7 (13...Qe7 14.Nc3 0-0-0+-) 14.Qg6 (14.Qg6 Kf8 15.Qf7) 1–0. ggo7801g – cwc256h, private chess game online, 2018.

7.d3 Be7 8.Nbd2 0-0 9.0-0 Nbd7 10.a4 c6 11.Rc1 d5 12.Ne5 Ne5 13.Be5 Bb4 14.Nf3 Ng4 15.Qb3 Be7 16.h3 Ne5 17.Ne5 Qc7 18.Ng6 Rf6 19.Ne7 Qe7 20.Rb1 dc4 21.dc4 b6 22.Bf3 Qd6 23.Rfd1 Qc5 24.Qd3 Bc4 25.Qc3 Raf8 26.Be2 b5 27.ab5 cb5 28.Rb5 Qb5 29.Bc4 Qc4 30.Qc4 Kh8 31.Rd7 a5 32.Qc7 Rg6 33.Qa5 f4 34.ef4 Rf4 35.Qa8 Kh7 36.Rd8 Rgf6 37.Rh8 Kg6 38.f3 h5 39.Qe8 Rf7 40.Rf8 h4 41.Rf7 Rf7 42.Qe4 Kh5 43.Qg4 Kh6 44.Qh4 Kg6 1–0. ourang – renejules, internet, 2013.

7.d3 g5 8.Nbd2 Nbd7 9.0-0 Bg7 10.Qc2 Qe7 11.Rac1 0-0 12.a3 Nh7 13.c5 Bf7 14.c6 bc6 15.Qc6 Nb6 16.Qc7 Qe6 17.Qc2 Rfc8 18.Qd1 Rc1 19.Qc1 Rc8 20.Qa1 f4 21.ef4 gf4 22.Rc1 Qa2 23.Rc8 Nc8 24.Qa2 Ba2 25.Nc4 Bc4 26.dc4 e4 27.Bg7 Kg7 28.Nd4 Kf8 29.Ne6 Ke7 30.Nf4 Ng5 31.Nd5 Kd7 32.h4 Ne6 33.Nf6 Kc7 34.Ne4 Nd4 35.Bd3 Ne7 36.Nf6 Nec6 37.Be4 Ne5 38.f4 Nc4 39.Nd5 Kd8 40.f5 Na3 41.f6 Ke8 42.Bg6 Kf8 43.Ne7 Ne2 44.Kf2 Nf4 45.g3 Ng6 46.Ng6 Kf7 47.Nf4 Nc2 48.Nd5 Ke6 49.g4 Nd4 50.Nc7 Kf6 51.b5 Ne6 52.b6 ab6 53.Nd5 Ke5 54.Nb6 d5 55.Nd7 Ke4 56.Nf6 Kf4 57.Nd5 Kg4 58.Nf6 Kh4 59.Ng8 h5 60.Nf6 Kg5 61.Nh5 Kh5 ½–½. ourang – aykaray, internet, 2013.

5.h3 Be7

6.d3 0-0 7.Nd2 c6 8.Be2 Be6 9.f4 (9.Ngf3!?=) 9...ef4-/+ 10.ef4 Kh8 (10...Qb6!? 11.Ngf3 Qb4-/+) 11.Ngf3= Nbd7 (11...d5 12.Nd4 Bd7 13.Bc3=+) 12.0-0 (12.Nd4 Bf7+=) 12...d5 13.c5 Nh5?? (13...Re8 14.Nd4 Nf8 15.N2f3+=) 14.Ne5 (better 14.Nd4 Nf4 15.Rf4+-) 14...Ng3= 15.Re1 Ne5 16.Be5 Bf6 17.Nf3 Ne2 18.Re2 Bg8 (18...Bf7 19.d4+=) 19.d4 Be5 20.Ne5 Re8 21.Qe1 Qc7 (21...Qf6 22.Qc3+=) 22.g4 (better 22.Ng6! hg6 23.Re8 Re8 24.Qe8 Qf4 25.Rd1+-) 22...Be6+= 23.g5 g6 (23...Kg8 24.g6 h6 25.Qh4+=) 24.h4 (24.Qh4 Qg7+/-) 24...Kg7+= 25.Rh2 Bf7 26.Qc3 Rh8 27.Kf2 (27.Re2 h6+=) 27...h6 28.Rah1 hg5 (better 28...Rae8+=) 29.hg5+- Rh2 (29...Qe7 30.Rh6 Rh6 31.Rh6+- (31.gh6?! Kh7+/-)) 30.Rh2 Rh8 31.Rh8 Kh8 32.Qh3 (32.Nf7?! Qf7 33.Qe3 Kh7+/-) 32...Kg7? (32...Kg8 33.Qh6 Be8 34.Ng6 Qg7 35.Qg7 Kg7+-) 33.Qh6 Kg8 34.Ng6 Bg6 35.Qg6 Kh8 (35...Qg7 36.Qg7 Kg7 37.Kg3+-) 36.Qf6 (36.Qf5 Kg8+-) 36...Kg8 (36...Qg7 37.Qg7 Kg7 38.Kg3+-) 37.Qf5 Qe7 (37...a6 38.Qg6 Kh8 39.Qf6 Kg8 40.g6+-) 38.Qe5 (better 38.Qg6 Kh8 39.Qd6+-) 38...Qh7 (38...Qf8 39.f5 Qd8 40.Qe6 Kf8 41.f6+-) 39.Qe6 (39.Qb8 Kg7 40.Qb7 Kh8 41.Qh7 Kh7+-) 39...Kf8 (39...Kh8 40.Qc8 Qg8 41.Qg8 Kg8+-) 40.Qf6 (40.Qc8 Kg7 41.Qb7 Kh8 42.Qh7 Kh7 43.b5+-) 40...Ke8 41.Qe6 (41.Kg3 Qd3 42.Kh4 Qh7 43.Kg4 Qh1+-) 41...Kd8?? (41...Kf8 42.Qc8 Kg7 43.Qb7 Kh8 44.Qh7 Kh7 45.b5 cb5 46.f5 Kg7 47.c6 Kf7 48.c7 Ke7 49.c8Q a6 50.Qc7 Ke8 51.f6 Kf8 52.Qe7 Kg8 53.Qg7) 42.Qf6 Kc8?? (better 42...Ke8=) 43.Kg3+- Qh5 (43...Qd3 44.Kh4 Qh7 45.Kg4 Qh1+-) 44.g6 Qh1 (44...Qd1 45.Qf8 Kc7 46.Qf7 Kb8+-) 45.Kg4 (better 45.Qf8 Kd7 46.Qf7 Kc8 47.g7 Qg1 48.Kh4 Qf2 49.Kg5 Qg2 50.Kf6 Qg7 51.Qg7 a6 52.Qf8 Kc7 53.Qd6 Kc8 54.Ke7 b5 55.cb6 Kb7 56.Qc7 Ka8 57.Qc8) 45...Qg2 46.Kf5 Qe4 47.Kg5 Qg2 48.Kh6 Qh3 49.Kg7 Qg4 (49...a5 50.ba5 Qd3 51.Kf7+-) 50.Kf7 Qd7 51.Qe7 (better 51.Kf8 a5 52.g7 ab4+-) 51...Qf5 52.Qf6 Qd7 53.Kg8 Qg4 54.g7 Qh5 55.Kf8 (55.Kf8 Qh1 56.g8Q Qe4 57.Kf7 Qe8 58.Qe8 Kc7 59.Qfe5) 1-0. dannysmet (2025) - Rabutin (2110), Rated Blitz game, lichess.org, 2021.

6.Nf3 0-0 7.Be2 a6 8.d4 e4 9.Nfd2 c6 10.Nc3 d5 11.c5 Be6 12.Qb3 Qc7 13.a4 Nbd7 14.g3 (14.0-0 b6=) 14...g5 Black plans f4 (14...b6 15.Qc2=+) 15.Rg1 Kh8 16.Nf1 (16.Qa2 Kg7=) 16...f4 17.ef4 gf4 18.gf4 Qf4 19.Bc1 Qc7 20.Qd1 (20.Bg5 Rg8=+) 20...Ng8 (20...Bh3 21.Bg5=+) 21.Ng3 (21.Bg4 Bg4 22.Qg4 Rf7=) 21...Bh4 (better 21...Bh3 22.Qd2 Bf6=+) 22.Nh1 (22.Bg4!? Rae8 23.Be6 Re6 24.Qg4 Bg3 25.Rg3=) 22...Bh3 (better 22...Qh2 23.Kd2 Bf2 24.Nf2 e3 25.Kc2 ef2-+ (25...Qf2?! 26.Rf1 Qg3 27.Qe1 Bf5 28.Kd1 Qe1 29.Ke1=+)) 23.Bg4?? (better 23.Be3=+) 23...Qh2-+ 24.Kd2 Bf2 25.Nf2 Rf2 (25...e3 26.Kc2 ef2 27.Rf1 Bf1 28.Qf1-+) 26.Ne2?? (26.Be2-+) 26...Bg4 27.Rg4 Ndf6 28.Qg1 (28.Rg1 Re2! 29.Qe2 Qg1-+) 28...e3! 29.Kd3 (29.Ke3 Re8 Double attack (29...Re2 Zwischenzug)) 29...Re2 (better 29...Ng4 30.Qg4 Nf6-+) 30.Be3 (30.Qh2 Rh2 31.Rg1 Re8 32.Be3 Rh3-+) 30...Qg1 (better 30...Ng4 31.Qh2 Rh2-+) 31.Rag1 (31.Rgg1 Rb2 32.Kc3 Rh2-+) 31...Re3! 32.Ke3 Re8 33.Kd3 Ne4 (33...Ne4 34.Rg7 Rb8-+) 0-1. vladgen (1745) - e4_e5_f4 (1715), lichess.org, 2020.

6.Ne2 0-0

7.d4 Nc6 8.b5+= Na5 9.Nec3 (9.Qa4 b6+=) 9...ed4 10.ed4 (10.Qd4 a6=) 10...c5 (10...d5 11.Nd2=+) 11.bc6 (11.Be2 a6=) 11...Nc6 (11...bc6 12.Nd2=+) 12.d5= Ne5 13.Be2 f4 14.0-0 (14.Nd2 Qe8=) 14...f3=+ 15.Bf3 Nf3 (better 15...Nc4!? 16.Bc1 Bf5=+) 16.Qf3+/- b6 (16...Qb6 17.Nb5+/-) 17.Nd2 Bb7 18.Rae1 Nd5 19.cd5?? (better 19.Nd5 Rf3 20.Ne7 Kf8 21.Nf3 Bf3 22.gf3+-) 19...Rf3-+ 20.Nf3 Bf6 21.Re2 (21.Rd1 Qc7-+) 21...Rc8 (21...Ba6!? 22.Re4 Bf1 23.Kf1 Bc3 24.Bc3-+) 22.Rc1 (22.Rfe1-+) 22...Bd5?? (better 22...Bc3 23.Bc3 Bd5-+) 23.Nd5+- Rc1 24.Bc1 h6 (24...Qc8 25.Bf4 Qc4 26.Rd2+- (26.Nf6 gf6 27.Re7 Qf4-/+)) 25.Be3 (better 25.Bh6!? Qd7+-) 25...Be5 26.Rc2 Kh7 27.Ne5 (27.Rc7 a6+-) 27...de5+/- 28.Nb4 (better 28.Rd2!? Qh4 29.Kh2+/-) 28...Qd1= 29.Kh2 a5 (29...Qb1!? 30.a3 Qb3+=) 30.Rc1 (30.Rd2 Qa4 31.Nd5 b5+/-) 30...Qd6 31.Nc2 (31.Nc6 Qa3+/-) 31...e4 32.Kh1 b5 33.g3 (33.Nd4 b4+/-) 33...b4 (33...Qe6 34.Nd4 Qh3 35.Kg1=) 34.Kg1 (better 34.Nd4!?+=) 34...Qe6= 35.a3 Qh3 (35...b3 36.Nd4 Qd5 37.Rb1=) 36.Nd4?? (better 36.ab4!? ab4 37.Nb4+/-) 36...Qh5 (36...ba3!? 37.Ra1 a4=+) 37.ab4+= ab4 38.Rb1 Qd5? (better 38...Qc5!?=) 39.Rb4+/- Qa2 40.Nf5?? (better 40.Nb3 Qb1 41.Kg2+-) 40...Qa1 (40...Qa5 41.Re4 Qf5 42.Rf4-/+) 41.Kg2 Qe5?? (better 41...Qa5 42.Re4 Qf5-/+) 42.Nd4 (better 42.g4!? Qd5+-) 42...Qe7 43.Nc6?? (better 43.Rb6+-) 43...Qf8?? (43...Qf6 44.Rb6 Qf3 45.Kh2 Qh5 46.Kg1 Qd1 47.Kg2 Qf3 48.Kh3 Qh5 49.Kg2 Qf3=) 44.Rb7?? (better 44.Re4 Qa8 45.Re6+-) 44...Qf3= 45.Kf1 Qh1 (better 45...Qd1!? 46.Kg2 Qf3 47.Kh2 Qh5 48.Kg1 Qd1 49.Kg2 Qf3=) 46.Ke2+/- Qf3 (46...Qa1 47.Nd4+/-) 47.Kd2+- Qf6? (better 47...h5+-) 48.Ne7 (better 48.Bd4 Qg5 49.Kc2+-) 48...Qa6 (48...Qd6 49.Ke1 Qa3=) 49.Ra7= Qd3 50.Ke1 Qc3 (50...Qb1 51.Ke2=) 51.Ke2 (better 51.Kf1!? Qc4 52.Kg1+/-) 51...Qc2 52.Kf1 Qd3 (better 52...Qd1!? 53.Kg2 Qf3 54.Kh2 Qh5 55.Kg1 Qd1 56.Kg2 Qf3 57.Kh3 Qh5 58.Kg2 Qf3=) 53.Kg2+/- Qd6?? (better 53...Qd1 54.Ra5 Qe2+/-) 54.Nf5+- Qf8 (54...Qd1 55.Rg7 Kh8+-) 55.Nh6 (better 55.Bd4 Kg6 56.g4+- (56.Ng7?! Qd6 57.Be3 Qd1+-)) 55...Qf3= 56.Kf1 Qd1 57.Kg2 Qf3 58.Kg1 Qd1 59.Kh2 Qf3?? (59...Qh5 60.Kg2 Qf3=) 60.Rf7?? (better 60.g4+-) 60...Qh5 61.Kg2 Kg6?? (better 61...Qd1=) 62.g4+- (62.g4 Qd5 63.Rf5+-) 1-0. zomboeb (1650) - ericaldaya (1655), lichess.org, 2020.

7.d4 ed4!? 8.Nd4 c5=+.

7.d4 Nbd7 8.Nbc3 a5 9.b5 c6 10.a4 Nb6 11.Ng3 (11.c5 ed4 12.cd6 Qd6=) 11...ed4 (11...f4 12.ef4 ef4 13.Nh5=+) 12.Qd4= d5 13.c5 Nbd7 14.b6?? (better 14.Ba3=) 14...Bc5-+ 15.Qc5?? (15.Qd2-+) 15…Nc5 0-1. dannysmet (2055) - Chessrajiv (2030), Rated Blitz game, lichess.org, 2021.

Play 1.b4 at Chessworld.net!

The home of Email Chess on the web!

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

These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.

    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)

Click on the logo below, visit Chessworld.net, register and play 1.b4 against the whole world!

The home of Email Chess on the web!

The home of Email Chess on the web!