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TESTJ600 Release 2024-10-10
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Nbd7

Table of contents:

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7.a3 a5 8.b5 (8.Bd3 ab4 9.ab4 Ra1 10.Ba1 Re8=) 8...Re8 9.Be2 b6 (9...e5!?=) 10.0-0+- e5 11.de5 de5 12.Nc3 (12.Ne5!? Ne5 13.Qd8 Rd8 14.Be5+-) 12...Bb7 13.Qc2 Nc5 14.Rfd1 Qe7 15.Rd2 (15.Nd5 Nd5 16.cd5 e4=) 15...Nfe4 (15...Nce4 16.Ne4 Ne4 17.Rdd1=) 16.Ne4 (16.Nd5 Qd6 17.Rdd1 Rad8+=) 16...Be4 17.Qd1 Rad8 18.Rd8 (18.Ra2 Rd2 19.Nd2 Rd8=+) 18...Rd8–/+ 19.Qe1 (19.Nd2 Na4 20.Bc1 Nc3–+) 19...Na4 20.Bc3? (better 20.Bc1–/+) 20...Nc3–+ 21.Qc3 Bf3 22.gf3 e4 23.Qe1 Ba1 24.Qa1 Rd2 25.Qe1 Rd7 (25...Ra2!? 26.fe4 Qg5 27.Kh1–+) 26.fe4 (26.Qc3 Qg5 27.Kh1 Qd8–+) 26...Qe4 (26...Qa3 27.e5–+) 27.Qc3 Qe7 0–1. tsodikovich (1825) – dlafont (1820), gameknot.com, 2018.

7.a3 c5 8.dc5 dc5 9.Nbd2 cb4 10.ab4 Nb6 11.Qb3 Be6 12.Rc1 Rc8 13.Bd3 Ng4 14.Bg7 Kg7 15.0-0 Qc7 16.h3 Nf6 17.Nd4 Rfd8 18.Ne6 fe6 19.c5 Nbd5 20.Bc4 Qe5 21.Nf3 Qf5 22.Bd3 Qh5 23.Qb2 Kf7 24.b5 Nc7 25.e4 a6 26.e5 Nfd5 27.b6 Ne8 28.Be4 Ng7 29.Bd5 Rd5 30.Qb4 Nf5 31.c6 bc6 32.b7 Rb8 33.Rc6 Rb5 34.Qa4 R8b7 35.Qa6 Rb3 36.Re6 Qh6 37.Rf6 ef6 38.Qf6 Kg8 39.Ng5 R3b6 40.Qd8 Qf8 41.Qd5 Kg7 42.Ne6 Re6 43.Qe6 Rf7 44.f4 Ne3 45.Rb1 Rf4 46.Rb7 Rf7 47.Rb3 Nf5 48.g4 Nd4 49.Rb7 Ne6 0–1. Adamkosh (1755) – kosmarkus (1710), lichess.org, 2019.

7.a3 c6 8.Nbd2 e5 9.de5 de5 10.Ne5 Ng4 11.Ng4 Bb2 12.Rb1 Bg7 13.h3 h5 14.Nh2 Ne5 15.Ndf3 Qe7 16.Be2 Bf5 17.Rc1 Rfd8 18.Nd4 c5 19.bc5 Qc5 20.0-0 Nc6 21.Nhf3 Be4 22.Qb3 Nd4 23.ed4 Bd4 24.Nd4 Qd4 25.Rfd1 Qf6 26.Rd8 Rd8 27.Qe3 Bc6 28.Qa7 Qb2 29.Re1 Re8 30.Kf1 Bg2 31.Kg2 Re2 32.Re2 Qe2 33.Qb7 Qc4 34.Qb8 Kg7 35.Qe5 Kh7 36.Qe7 Qc6 37.Kg1 Qc1 38.Kg2 Qc6 39.Kg3 Qc3 40.Qe3 Qc7 41.Qf4 Qc3 42.Qe3 Qc7 43.Kg2 Qc6 44.f3 Qc2 45.Kg3 Qc7 46.f4 Qd7 47.Qc3 1–0. Adamkosh (1890) – Alvisone (1945), lichess.org, 2019.

7.a3 e6 8.Nbd2 Qe7 9.Bd3 e5 10.de5 de5 11.Qc2 a5 12.c5 (12.0-0 Re8 13.Qc3 Nh5+=) 12...ab4 13.ab4 Ra1 14.Ba1 Re8 (14...Nd5 15.Qb1=) 15.Ne4 (15.e4 Rd8+=) 15...Ne4= 16.Be4 Nf6 17.0-0 c6 18.Rd1 Ne4 19.Qe4 Now all is on e5 19...Bf5 20.Qc4 Be6 21.Qc3 Bd5 22.Ne1 Qh4 23.f3 Ra8 24.e4 Be6 25.Nd3 Qg5 26.Bb2 Qe3 27.Nf2 Qe2 (27...Qc3 28.Bc3 f6 29.h3=+) 28.Re1 Qc4 29.Nd3? (better 29.Qc4 Bc4 30.Rd1=) 29...Qc3-/+ 30.Bc3 Ra3 31.Rc1 f6 (31...Bh6 32.Rc2 Bb3 33.Rc1-+) 32.Kf2 (better 32.f4!?=+) 32...Bh6-/+ 33.Rc2 (33.f4 ef4 34.Ne1 f5 35.ef5 Bf5-/+) 33...Bb3-+ 34.Bb2? (better 34.Rd2 Bd2 35.Bd2-+) 34…Bc2 (34...Bc2 35.Ba3 Bd3-+) 0-1. Takeda (2230) - mutdpro (2685), Daily Bullet Arena, lichess.org, 2017.

7.a3 Re8 8.Nc3 e6 9.Be2 Qe7 10.Nb5 Nf8 11.Qc2 a6 12.Nc3 N8d7 13.h4 e5 14.d5 e4 15.Nd4 h5 16.0-0-0 (16.0-0 Ng4 17.Bg4 hg4=) 16...Qf8 (16...Nb6 17.Nb3=+) 17.Kb1 (17.Kd2 Nb6=) 17...Ne5 18.Ka1 Neg4 19.Rdf1 Bf5 (19...Qe7 20.Kb1=+) 20.Qd2 (20.Nf5 gf5 21.Qa4 Ne5+=) 20...Ne5 (20...Bd7 21.Kb1=+) 21.f3 (21.Nf5 gf5 22.Rhg1 Qe7+=) 21...ef3= 22.gf3 (worse 22.Nf3 a5 23.b5 Neg4-/+) 22...Bd7 23.e4 Kh7 24.Rhg1 Bh6 25.Qc2 (better 25.f4=) 25...Be3-/+ 26.Nd1 Bg1 27.Rg1 Qe7 28.Nf2 Ng8 (28...c5 29.bc5 dc5 30.Nb3=+) 29.Rh1 (29.f4 a5 30.fe5 de5 31.Nf3 ab4 32.Ne5 ba3 33.Bd4=) 29...f6 (29...Nh6 30.Kb1-/+) 30.Qd2 (better 30.f4!? c5 31.dc6 Nc6 32.f5 gf5 33.Bh5=) 30...Nh6-/+ 31.Nc2 (31.Rg1 c6-/+) 31...Nef7 (31...b5 32.Ne3-/+) 32.Qd4 (better 32.Qf4 Kg7 33.Qg3-/+) 32...Ne5 33.Ne3 (33.Qd2 b5 34.Ne3-/+) 33...c5 (33...b5 34.Rc1-/+) 34.bc5 (34.dc6 bc6 35.Rd1 a5=) 34...dc5-/+ 35.Qd2 (35.Qc3 Ng8=+) 35...b5 36.d6 Qf7 (36...Qf8 37.f4 Nc4 38.Nc4 bc4 39.Bc4-/+) 37.Nd5 bc4?? (better 37...Ng8-/+) 38.f4+/- c3 (38...Be6 39.fe5 Bd5 40.Qd5 fe5 41.d7+-) 39.Qc3 (39.Bc3 Qf8 40.fe5 fe5+-) 39...Be6 40.fe5 Bd5 41.ed5 Re5 42.Qc2 Rae8 (42...Rf5 43.Bd3 Rf3+-) 43.Be5 Re5 44.Bc4 (44.Bd3 Nf5 45.Ne4 Kg7 46.Qc5 Rd5+-) 44...Nf5 45.Nd3 (better 45.Ne4+-) 45...Re4?? (better 45...Ne3 46.Qc3 Nc4 47.Ne5 Ne5 48.Qc5 g5+/-) 46.Nc5 (46.Ba6?! c4 47.d7 Ne3+-) 46...Rd4 (46...Re8 47.d7 Rd8+-) 47.Ne6 (better 47.d7 Qe7 48.Ne6 Qa3 49.Qa2 Qc3 50.Qb2 Qa5 51.Kb1 Rd5 52.Bd5 Qd5+-) 47...Nd6 (47...Rc4 48.Qc4 Nd6 49.Qa6+-) 48.Bd3 (better 48.Nd4 f5+-) 48...Rd5 (48...Rg4+-) 49.Rb1 (better 49.Bg6 Qg6 50.Nf8 Kg7 51.Qg6 Kf8 52.Qf6 Nf7 53.Rf1 Rd7 54.Qh6 Ke8 55.Re1 Re7 56.Qc6 Kf8 57.Qc5 a5 58.Qe7 Kg7 59.Rg1 Kh6 60.Qf6 Kh7 61.Qg7) 49...Qe6-/+ 50.Rb6? (50.Bg6!? Kg7 51.Bd3-/+) 50...Qe5 (better 50...Qe3 51.Rb3 f5-+) 51.Qb2?? (better 51.Ka2 f5 52.Ra6-+) 51...Rd3 52.Qe5 fe5 53.Ra6 Kh6 54.Ra7 Rd1 (54...Rd4 55.a4 Rh4 56.Kb2-+) 55.Kb2 Nb5 (55...Rd4 56.a4-+) 56.Kc2 (56.Ra5 Rd2 57.Kc1-+) 56...Na7 57.Kd1 g5 58.a4 (58.hg5 Kg5 59.Ke2 h4-+) 58...g4 (better 58...gh4 59.Ke2 e4-+) 59.Ke2 g3 (better 59...Nc6 60.Ke3-+) 60.Kf3 e4! 61.Kg2? (61.Ke4 g2 Passed pawn) 61...Nc6 (61...Kg6 62.Kg3 Kf5 63.a5-+) 62.Kg3 Na5 63.Kf2 (63.Kf4 Nb3 64.Ke3-+) 63...Kg6 64.Ke3 Kf5 65.Kd4 Kg4 (better 65...Kf4!? 66.Kc5 e3 67.Kb5-+) 66.Ke3 (66.Ke4 Kh4 67.Kf4-+) 66...Kh4 67.Ke4 Kg4 68.Ke3 h4 69.Kd4 (69.Kf2 h3 70.Kf1 Kg3-+) 69...Kg3 70.Kc5 h3 71.Kb5 h2 (better 71...Nb3 72.Kb4 Nd2 73.Kc3 Ne4 74.Kd4-+) 72.Ka5 h1Q 73.Kb6 Qg1 (73...Qg1 74.Ka5 Qc5 75.Ka6 Qb4-+) 0-1. vroeli (2780) - Banjovi (2745), Rated Bullet game, lichess.org, 2020. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.e3 g6 3.d4 Bg7 4.b4 d6 5.c4 0-0 6.Bb2 Nbd7)

7.a4 a5 8.b5 b6 9.Be2 Bb7 10.0-0 Re8 11.Nc3 e5 12.Qc2 ed4 13.ed4 Ne4 14.Ne4 Be4 15.Qd2 Qf6 16.Rac1 Re7 17.Ng5 Bf5 18.Bf3 Rae8 19.Rfe1?? (19.g4 Bh6 20.h4 Be4=+) 19...h6?? (better 19...Qg5! 20.Re7 (20.Qg5?? Re1 21.Re1 Re1) 20...Qe7 21.g4-+) 20.Nf7? (better 20.Re7 Re7 21.g4-/+) 20...Kf7 21.Bd5 Kf8 22.Re3 Qg5 23.h4 (23.Rce1-+) 23...Qh4 24.Bc6 Re3 25.fe3 Re7 26.Bd7 Rd7 27.c5 (27.Rf1 Rf7 28.Rf4-+) 27...dc5 28.Qe2 cd4 29.Qc4 (29.Rd1-+) 29...Qe4 (29...Be5 30.e4 Bh2 31.Kf1 Qf4 32.Ke1-+) 30.Rf1 (30.Ba3 Rd6! 31.Re1-+) 30...Qe3 31.Kh1 h5 (31...Be5 32.Rf3 Qe1 33.Qf1 Qf1 34.Rf1-+) 32.Qc6 (32.Bc1 Qe7 33.Bf4-+) 32...Qe4 (better 32...Kg8 33.Qc4 Kh8 34.Bc1-+) 33.Qg6 (better 33.Qe4 Bf6 34.Qc6+-) 33...Rf7-+ 34.Qh5 Bg6 35.Rf7 Kf7 36.Qd1 Qb1 37.Bc1 d3 (37...Bh6 38.Qd4 Qc1 39.Kh2 Bf4 40.g3 Qc2 41.Kg1-+) 38.Kh2 (38.Qf3 Kg8 39.Qc6 Kh7-+) 38...Be5 39.Kh3 (39.g3 Qa2 40.Qd2 Qa4 41.Qf2 Ke6-+) 39...Bf5 (39...d2 40.Bd2 Qd1 41.Bf4 Bf5 42.Kh2 Bf4 43.g3 Qe2 44.Kg1 Be3 45.Kh1 Be4) 40.g4 d2! 41.Qd2 (41.Bd2 Qd1 Mate attack; 41.Qd2 Qb3 Double attack (41...Qb4 Decoy)) 41...Qb3 (41...Qe4 42.gf5 Qf3 43.Kh4 Bf6 44.Qg5 Qh1 45.Kg3 Qg1 46.Kh4 Qc1 47.Qf6 Kf6 48.Kg4 Qe3 49.Kh4 Qg1 50.Kh3 Kf5 51.Kh4 Qg4) 42.Qe3 Qe3 43.Be3 Bc2 44.Kg2 Ba4 45.Kf3 Bb5 46.Ke4 Bd6 47.Kd5 a4 48.Bb6 (48.Bd4 a3 49.Ba1-+) 48...cb6 49.Kd6 a3 50.g5 a2 51.g6 Kg6 52.Kc7 a1Q 53.Kb7 Bd3 (53...Qd4 54.Ka7 Qd6 55.Kb7 Qc6 56.Kb8 Ba6 57.Ka7 Qb7) 54.Kc7 Kf6 55.Kb7 (55.Kb6 Qd4 56.Kb7 Be4 57.Ka6 Qa4 58.Kb6 Qb4 59.Ka6 Bb7 60.Ka7 Bc8 61.Ka8 Qb7) 55...b5 (55...Qa6 56.Kc6 Ke7 57.Kc7 Be4 58.Kb8 Qb7) 56.Kc7 (56.Kb6 Qd4 57.Ka6 b4 58.Ka5 Qc5 59.Ka4 Bc2) 56...b4 57.Kb7 (57.Kb6 Qd4 58.Kc6 Ke6 59.Kc7 Qd7 60.Kb6 b3 61.Kc5 Qd6) 57...b3 (57...Qa5 58.Kc6 Be4 59.Kd7 Qa7 60.Kd8 Bf5 61.Ke8 Qe7) 58.Kb6 (58.Kc6 Qc3 59.Kb6 b2 60.Ka7 Qc7 61.Ka8 Be4) 58...b2 (58...Qc3 59.Kb7 b2 60.Ka8 b1Q 61.Ka7 Qa5) 59.Kc7 (59.Kc6 Be4 60.Kd6 Qd1 61.Kc5 Qd5 62.Kb4 b1Q 63.Kc3 Qdd3) 59...b1Q 60.Kd6 (60.Kc6 Qc2 61.Kd7 Qd4 62.Ke8 Qc8) 60...Qb6 (60...Qb7 61.Kc5 Qe5) 61.Kd5 (61.Kd7 Qad4 62.Ke8 Qbd8) 61…Qad4 0-1. is_er_nog_hoop (2535) - retrostail (2430), Rated blitz game, lichess.org, 2020. (=1.b4 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...d6 2.Bb2 Nd7 3.d4 Ngf6 4.Nf3 g6 5.e3 Bg7 6.c4 0-0)

7.a4 b6 8.Nc3 c5 9.b5 cd4 10.Nd4 Bb7 11.a5 Rc8 12.ab6 ab6 13.Ra7 (13.f3 Ne5=) 13...Rc7=+ 14.Ra1 Ne5 Attacking the backward pawn on c4 15.Qb3 Nfd7 16.Nd5 Nc5 17.Qd1 Rc8 18.f4 Ned7 (18...e6 19.Nb6 (19.fe5? ed5 20.cd5 Bd5-+) 19...Bg2 20.Nc8 Qh4 21.Kd2 Ne4 22.Kc1 Bh1 23.Nd6-/+) 19.f5 e6 20.Nc6 Bc6 21.Bg7 Kg7 (21...Bd5 22.Bf8 Nf8 23.fg6 Qh4 24.g3-/+) 22.bc6 Ne5 (better 22...Rc6!? 23.Nb4 Rc8 24.fg6 Qf6-/+) 23.f6+= Kh8 24.Ne7 (24.c7 Rc7 25.Nc7 (25.Nb6? Rb7 26.Na4 Qf6 27.Nc5 dc5-+) 25...Qc7 26.Be2+=) 24...Rc7-/+ 25.Rb1? (better 25.g4!?-/+) 25...Ne4-+ (25...Nc6?! 26.Rb6 Qa8 27.Qd6=+) 26.g4? (better 26.Rb6 Nf6 27.c5-+) 26...Nf6 27.g5 Ne8 (27...Re7?! 28.gf6 Ra7 29.Be2-+; 27...Qe7?! 28.gf6 Qf6 29.Qd6-+) 28.c5 (28.Nd5 ed5 29.cd5 Qg5 30.Qd4-+) 28...Qe7 (better 28...bc5 29.Nd5 ed5-+) 29.cb6 Rc6 30.b7 Nc7 (better 30...Qg5!? 31.b8Q Qh4 32.Kd2 Qe4-+) 31.b8Q-/+ Rb8 32.Rb8 Kg7 33.Bg2 (better 33.Rg1-/+) 33...Rc1!-+ 34.Qc1 Nd3 35.Ke2? (better 35.Kd2!? Nc1 36.h4-/+) 35...Nc1-+ 36.Rc1 Qg5 37.Bf3 Nd5 38.Bd5 Qd5 39.Rcc8 (39.Rc2-+) 39...Qg2 40.Kd3 Qh2 41.Rg8 Kf6 42.Rgf8 Qf2 43.Rbd8 (43.Ra8 h5-+) 43...d5 (43...Ke5 44.Rb8-+) 44.Rd7 Kg7 45.Rdd8 (45.Rb8 h5 46.Rdd8 h4-+) 45...h5 (45...Qe1 46.Rh8-+) 46.Rg8 Kf6 47.Rgf8 (47.Rb8 h4 48.Rb4 g5-+) 47...h4 48.Kd4 (48.Rd7 Kg7 49.Rdf7 Qf7 50.Rf7 Kf7-+) 48...Qd2 49.Kc5 Qe3 50.Kd6 (50.Kc6 g5-+) 50...Qb6 (50...h3 51.Rc8 h2 52.Rh8-+) 51.Kd7 d4 (better 51...Qb7 52.Kd6 h3 53.Kc5-+) 52.Ke8 Qd8! 53.Kd8 d3 54.Ke8 d2 (better 54...e5 55.Rf7 Ke6-+) 55.Rf7-/+ Ke5 56.Rd7 g5 57.Rd2 Kf5 (57...h3 58.Rh2 g4=) 58.Kf7 g4 59.Rf2 Kg5 60.Ke6 g3 61.Rf8 (better 61.Rc2=) 61...h3-+ 62.Ke5 g2 (better 62...h2-+) 63.Rg8=+ Kh6 64.Kf6 Kh7 65.Rg7 Kh8 66.Rg3 h2 67.Rg2?? (better 67.Rh3 Kg8 68.Rg3 Kf8 69.Ra3=) 67...h1Q-+ 68.Rg5 Qh4 69.Kf5 Kh7 70.Rg4 Qf2 71.Ke4 Kh6 72.Rf4 Qc2 73.Ke5 Kg5 74.Re4 (74.Rd4 Qc6-+) 74...Qc5 75.Ke6 Qc6 (better 75...Qf5 76.Kd6 Qe4-+) 76.Ke5 Qc5 77.Ke6 Qf5 (77...Qf5 78.Kd6 Qe4 79.Kc5 Kf4 80.Kd6 Qe5 81.Kc6 Qe6 82.Kc5 Qe3 83.Kd5 Qd3 84.Kc5 Ke5 85.Kc6 Qc4 86.Kd7 Qc5 87.Ke8 Qc7 88.Kf8 Kf6 89.Ke8 Qe7) 0-1. Ider,Bayar (1730) - Ivashevskiy,Artem, 4th ChessMates Murmansk, 2020. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.c4 Nbd7)

7.a4 c6 8.Be2 Qc7 9.Nbd2 Re8 10.0-0 e5 11.Qc2 Nf8 12.c5 e4 (12...ed4 13.Nd4 dc5 14.Qc5=) 13.cd6 Qd6 14.Ne5 Bf5 15.Ndc4 Qc7 (15...Qb4?? 16.Ba3 Qa3 17.Ra3+-) 16.b5 Nd5 17.Qb3?? (better 17.bc6 f6 18.cb7+=) 17...f6-+ 18.bc6 bc6 (18...fe5?! 19.Qb7 Rec8 20.Qc7 Rc7 21.Ne5 Be5 22.de5 Rc6 23.Bd4-/+) 19.Nc6 Qc6 20.Na5 Qd7 21.Bb5 Qf7 22.Bc6 (22.Be8 Re8 23.Nc6 Be6-/+) 22...Be6 23.Ba8 Ra8 24.Qa3 f5 25.Nc4 f4 (25...Nd7 26.Nd6 Qe7-/+) 26.Ne5? (better 26.Nd6 Qf6 27.Ne4=) 26...Be5-+ 27.de5 f3 28.g3 Qf5 29.Kh1 h5 (29...a5 30.Rad1-+) 30.Rad1 (30.Rac1 a5-/+) 30...Rc8 31.Rg1 (better 31.Rc1!?-/+) 31...Rc2-+ 32.Rdf1 Qh3 33.Bd4 Nh7 (better 33...Nc7-+) 34.Qb3 Rc8 35.Qb7 Ng5 36.Rc1?? (36.Qa7 Nf7 37.Qa6-+) 36...Rf8 (36...Qg2! 37.Rg2 fg2 38.Kg1 Rc1 39.Kg2 Bh3) 37.Qc6?? (37.Rc5!? Rd8 38.Rcc1=+ (38.Qa7 Ne3 39.Qf7 Nf7 40.Rc4 Ng4 41.Rgc1 Qh2)) 37...Qf5?? (37...Nb4 38.Qc3 Nd3 39.Qd2-+) 38.a5? (better 38.Qb7-/+) 38...Nh3-+ 39.Rgf1 h4! 40.Qd6?? (40.gh4 Qg4 Decoy) 40...hg3 41.fg3 f2 (41...f2 42.Qe6 Qe6-+) 0-1. vroeli (2725) - Banjovi (2745), Rated Bullet game, lichess.org, 2020. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.e3 g6 3.d4 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 Nbd7)

7.Qb3 a6 8.Be2 Rb8 9.a4 e5 (9...c5 10.0-0+=) 10.de5+/- de5 11.Ne5 (11.Be5? Ne5 12.Ne5 Ne4-+) 11...Ne5 12.Be5 Re8 13.Bc3 Bf5 14.0-0 Qe7 15.Nd2 Bh6 (15...b6 16.Bf3+/-) 16.Nf3 Ne4 17.Bd4 b5? (better 17...Bf8!? 18.c5 a5+/-) 18.cb5+- ab5 19.Bb5 Red8 20.Bc6 (20.Rfc1 Be6 21.Qc2 Nd6+-) 20...Qd6 (20...Rb4 21.Qa3 Bf8+-) 21.b5 (better 21.Ne5 Qe7 22.Bd5+-) 21...Nc5? (21...Qc6 22.Qf7 (22.bc6?! Rb3 23.a5 Bg4=) 22...Kf7 23.Ne5 (23.bc6?! Ra8+=) 23...Ke8 24.Nc6+- (24.bc6?! Nd2=)) 22.Bc5 (22.Qa3!? Bf8+-) 22...Qc5 23.Rac1 (23.Rfc1 Qe7+-) 23...Qd6 24.Nd4 Qf6 (24...Bg4 25.Be4 Qe5 26.Bb1+-) 25.Nf5 Qf5 26.Rfd1 Bg7 27.Rd8 (27.a5!? Rd1 28.Rd1 Qc5+-) 27...Rd8 28.Rd1 Rd1 29.Qd1 h5 (29...Bc3 30.Qd8 Kg7 31.g3+-) 30.Qd8 Kh7 31.g3 Qb1 32.Kg2 Qb4 (32...Be5 33.a5 Bd6 34.a6+-) 33.Qc7 Qa4 34.b6 Qa6 (34...Qa5+-) 35.b7 Be5 36.Qe5 (better 36.Qf7 Kh6 37.Be4+-) 36...Qc6+/- 37.f3 Qb7 38.e4 Qb2?? (better 38...Qa6 39.Qb2 g5+/-) 39.Kh3 (better 39.Qb2 Kg8 40.Qf6+-) 39…Qe5-+ (39...Qe5 40.Kg2 Qd4-+) 0-1. ClayPigeons (2045) - Mordoviandefense (2080), Rated Bullet game, lichess.org, 2020.

7.Qb3 Ne8 8.Be2 e5 9.0-0 Kh8 10.Nc3 f5 11.de5 de5 12.Rfd1 c6 13.c5 Qe7 14.Nd2 a5 15.a3 e4 16.Nc4 ab4 17.ab4 Ra1 18.Ba1 Ne5 19.Ne5 Be5 20.Bc4 f4 21.ef4 Rf4 22.Ne2 Rf8 23.Be5 Qe5 24.Qc3 Qc3 25.Nc3 Nf6 26.b5 cb5 27.Bb5 Kg7 28.h3 h5 29.Rd4 Bf5 30.Na4 Rc8 31.Kf1 Kf7 32.Ke2 Rc7 33.Ke3 Bd7 34.Bd7+/– Nd7 35.Ke4 Nc5 36.Nc5 Rc5 37.Rd7 Kf6 38.Rb7 Rc4 39.Ke3 Rc6 40.Ra7 Rb6 41.Rd7 Re6 42.Kf3 Ra6 43.Rd3 Rb6 44.h4 Ra6 45.g3 Rb6 46.Rd4 Rb3 47.Kf4 Rb6 48.f3 Ra6 49.Rc4 Rb6 50.g4 hg4 51.fg4 g5 52.hg5+- Kg6 53.Rc5 Rb4 54.Kg3 Rb1 55.Rf5 Ra1 56.Kf4 Ra4? 57.Kg3 Ra1 58.Re5 Rb1 59.Rf5 ½–½. Nielsen,John Bauneborg (2220) – Ziska,Bogi, Aarhus op, 1989. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Qb3)

7.b5 b6 8.Be2 e5 9.Qc2 (9.de5 Ng4+=) 9...ed4= 10.Bd4 Nc5 11.Nbd2 Bf5 12.Qb2 Nd3 13.Bd3 Bd3 14.Qc3 Bf5 15.0-0 Re8 16.Rad1 Rc8 17.a4 c5 18.bc6 Rc6 19.Qb2 (19.a5 ba5 20.Ra1 Ra6=) 19...Be6 20.Rc1 h6 21.Rfe1 Kh7 22.Red1 Bg4 23.h3 Bf5 24.Bc3 Rg8 (24...Rc8!?=) 25.Nd4+= Rc5 26.Nf5 gf5 (26...Rf5 27.a5+=) 27.Nf3 (27.Qb1 Qd7+/-) 27...Ne4 28.Bg7 Rg7 29.Rd5 Ng5 30.Ng5 Qg5 31.g3 Qh5 32.Kg2 (32.Rd6 Qh3 33.Rd7+=) 32...Qg6 (better 32...Rd5!? 33.cd5 f4 34.Qc2 Rg6+=) 33.Qd4+/- h5 (33...Rc6 34.Qf4+-) 34.Rd6+- Qg5 35.Qf4 Qe7?? (better 35...Qf4!? 36.ef4 Ra5+/-) 36.Qh6 (better 36.Rh6 Kg8 37.Qb8 Qf8 38.Rh8 Kh8 39.Qf8 Kh7 40.Qe7+-) 36...Kg8 37.Rd5 (37.Rcd1!? Rc8 38.Qh5 Rg5+-) 37...Qe4 (37...h4!?+/-) 38.Kg1 Rd5 (38...Qd5 39.cd5 Rc1 40.Kg2+-) 39.cd5 Qe8 40.d6 (40.Rc7!? Qd8 41.Qc6 Kh7+-) 40...Rg6 41.Qh5 Kg7? (41...Rd6 42.Qg5 Rg6 43.Qf5 Qa4 44.Qe5+-) 42.Qf5 (better 42.Qd1 Qd7 43.Qd4 Rf6 44.Rd1+-) 42...Qa4?? (42...Rd6 43.Rc7 a5+-) 43.Qe5 (43.d7 Qd7 44.Qd7 Re6 45.Qd4 Rf6 46.Rc6 Kf8 47.Qf6 Ke8 48.Rd6 a6 49.Rd8) 43...f6 (43...Rf6 44.Qg5 Rg6+-) 44.Qe7 Kh6 45.d7 Qa3 46.Rd1 (46.Qa3 Rg7 47.d8Q Rb7 48.Qf6 Kh7 49.Qd3 Kg8 50.Rc8) 46...Qe7= 47.d8Q Qg7?? (better 47...Rg3! 48.Kf1 Qd8 49.Rd8 Rg7=) 48.Qd6 (better 48.Rd7 Qg8 49.Qe7 Rg3 50.fg3 Qg3 51.Kf1 Qh3 52.Ke2 Qh5 53.Kd3 Qb5 54.Kd4 Qa4 55.Kd5 Qb5 56.Ke6 Qe5 57.Kf7+-) 48...Rg3?? (better 48...Kh7+-) 49.Qg3 1-0. dannysmet (2020) - Promuz (2030), Rated Blitz game, lichess.org, 2021.

7.b5 c5 8.Be2 cd4 9.Bd4 Nc5 10.0-0 Nce4 11.Bd3 (11.Nbd2 e5 12.Bb2 Be6=) 11...Qc7 (11...e5 12.Bb2=) 12.Nbd2 (12.Be4 Ne4 13.Bg7 Kg7 14.Qd4 Nf6=) 12...Nc5= 13.Bc5 dc5 14.Rb1 b6 15.a4 Bb7 16.h3 Rad8 17.Qc2 Rd7 18.Nh2 Rfd8 19.Rb3 Rd6 20.Rd1 Qd7 21.Ndf3 Ne8 22.Ng4 (22.Rd2!?–/+) 22...Bf3–+ 23.gf3 h5 24.Nh2 Qh3 25.Be2 Rd1 26.Bd1 Qd7 27.Be2 (27.Rb1 Qd2–+) 27...Qd2 28.Bd3 Qc2 29.Bc2 Rd2 30.Bb1 (30.Bd3 Ra2–+) 30...Nd6 31.Rd3 Nc4 32.Rd2 Nd2 33.Bc2 g5 34.Kg2 c4 35.f4 gf4 36.ef4 c3 (36...Nb3 37.Bd1–+) 37.Nf3 (37.Nf1 h4 38.Nd2 cd2–+) 37...Nc4 38.Kg3 Bf6 39.Ne5 (39.Bd3 Kg7–+) 39...Na3 40.Bb3 Be5 41.fe5 c2 42.Bc2 Nc2 43.Kh4 Ne1 44.Kh5 Nd3 45.e6 (45.Kg5 Nc5–+) 45...Nf2 46.ef7 Kf7 47.Kg5 Nd3 48.Kf5 Nc5 49.Ke5 (49.a5 ba5 50.Ke5 a4–+) 49...Na4 50.Kf5 Nc3 51.Ke5 Nb5 (51...Nb5 52.Ke4 Nc3 53.Kd4 a5–+) 0–1. vknyus – toshiyuki, gameknot.com, 2011. (=1.d4 Nf6 2.c4 g6 3.b4 Bg7 4.Nf3 0-0 5.e3 d6 6.Bb2 Nbd7)

7.b5 Re8 8.Be2 e5 9.0-0 ed4 10.ed4 Ne4 (10...d5 11.Ne5=) 11.Re1 f5 (11...Ndc5 12.Nbd2= (12.dc5?? Bb2 13.Bf1 Ba1 14.Re4 Re4-+)) 12.a4 Ndf6 13.Qb3 Be6 (better 13...Ng4=) 14.Ng5?? (better 14.d5 Bc8 15.Nc3+=) 14...Ng5-+ 15.d5 Bf7 16.Nc3 Nge4 17.Nd1 (17.Ne4 fe4 18.Bd4 Nd7 19.Bg7 Kg7-+) 17...Qe7 (17...c6 18.dc6 bc6 19.Qc2-+) 18.Ne3 f4 (18...Nc5 19.Qb4-+) 19.Nf1 g5 20.Bd3 g4 (20...Nc5 21.Qc2 Qe1 22.Re1 Re1 23.Bf6 Bf6 24.Bh7 Kg7 25.a5-+) 21.Bf6 Qf6 (21...Bf6?! 22.Re4 Be5 23.Rd1=) 22.Be4 Re4! 23.Re4 Qa1 24.Rf4 Bg6 (24...Re8 25.c5 Re1 26.Qc4 dc5 27.Rg4-+) 25.Rg4 (25.c5-+) 25...Qb1 (better 25...Re8!? 26.Rg6 hg6 27.Qd3-+) 26.Rg3 (26.Qb1 Bb1 27.Ng3 Re8-+) 26...Re8 (26...Qc1!? 27.Re3-+) 27.Qb1-/+ Bb1 28.Ne3 Kh8 (28...Bd3 29.h4-+) 29.h4 (29.Rf3 Re7-/+) 29...Bg6 30.f3?? (better 30.Rf3-+) 30...Bd4 31.f4 (31.h5 Be3 32.Kh2 Bf5-+) 31...Be3 32.Kf1 (32.Re3 Re3 33.Kf2 Re4-+) 32...Bf4 (better 32...Bd3 33.Ke1 Bf4 34.Kf2 Re2 35.Kf3 Bg3 36.Kg3 Bc4 37.Kf3-+) 33.Rf3 (33.Ra3 Bh5 34.Rc3 Be2 35.Kf2 Re4-+) 33...Rf8 (better 33...Be3 34.Ke2 Bh5 35.a5-+) 34.g3 Bh6 35.Kg2 (35.Rf8 Bf8 36.Ke2-+) 35...Be4 36.g4 Bf3 (36...Bf3 37.Kf2 Bg4 38.Kg3 Be2 39.Kg2 Be3 40.h5 Rg8 41.Kh3 Bf1 42.Kh2 Bg1 43.Kh1 Bc4 44.b6 Bd5) 0-1. ClayPigeons (2165) - theguy2 (2145), Rated Bullet game, lichess.org, 2019.

7.Qc2 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 e5 11.Nbd2 Re8 12.de5 de5 13.Be2 e4 14.Nd4 h5 (14...c5!? 15.bc5 Nc5=) 15.0-0+= Nf8 16.Rd1 Qe7 17.c5 h4 18.Nf1 N8h7 19.Bb5 Rd8 20.Ne2 Rd1 21.Qd1 h3 22.Nf4 hg2 23.Ng3 Ng5 24.Be2 Nh3 25.Nh3 Bh3 26.Bf6 Bf6 27.Bg4 Bg4 28.Qg4 Qd8 29.Ne4 Be7 30.Ng3 (30.Qg2?! Qd1 31.Qf1 Qg4 32.Qg2 Qd1 33.Qf1 Qg4 34.Qg2 Qd1=) 30...c6 31.Nf5 Bf8 32.Nd4 (32.Kg2?! Qd5 33.e4 Qd2+=) 32...Bg7 33.Qe4 ½–½. Granara Barreto,S (2170) – Crosa Coll,M (2350), ch–URU Montevideo URU, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7)

7.Nc3 Ne8 8.Qb3 e5 9.Be2 ed4 10.ed4 Ndf6 11.0-0 Bg4 12.Rfe1 c6 13.Rad1 d5 14.a4 White plans b5 (14.cd5 Nd5 15.Nd5 Be6+=) 14...Qd6 (14...dc4 15.Qc4 Nd6 16.Qc5=) 15.b5 (better 15.cd5 Nd5 16.b5+/-) 15...Nc7? (better 15...dc4 16.Bc4 Bf3 17.gf3 Qf4=) 16.Ba3+- Qd7 (16...dc4 17.Bd6 cb3 18.Bc7+-) 17.Bf8 (17.Ne5 dc4 18.Qc4 Be2 19.Qe2 Qe6 20.Bf8 Rf8+-) 17...Rf8 (17...dc4 18.Qc4 Be6 19.d5 cd5 20.Bg7 dc4 21.Bf6+-) 18.bc6 (18.Ne5 dc4 19.Nd7 cb3 20.Nf6 Bf6 21.Bg4 Rd8+-) 18...bc6 19.cd5 (19.Ne5 dc4 20.Qc4 Be2 21.Re2 Qe6+-) 19...Ncd5? (better 19...Bf3 20.Bf3 Nfd5 21.Nd5 Nd5+-) 20.Ne5 Qf5 (20...Qc8 21.Nd5 cd5 22.Ng4 Ng4 23.Qd5+-) 21.Nd5 cd5 22.Bg4 (22.f3!? Bh5+-) 22...Ng4 23.Qd5 (better 23.Ng4 Qg4 24.Qd5+-) 23...Qf2= 24.Kh1 Ne3 (better 24...Be5 25.de5 Qh4=) 25.Nd3?? (better 25.Re3 Qe3 26.Nc6=) 25...Qe1!!-+ (25...Nd5 26.Nf2 Nc3 27.Rd3 Na4 28.Re7+/-) 26.Re1 (26.Re1 Nc2 Double attack (26...Nc2 Decoy; 26...Nd5 Zwischenzug); 26.Ne1 Nd5 Zwischenzug) 26...Nd5 27.Re4 (27.Ne5 Re8-+) 27...f5 28.Nc5 (28.Re6 Rd8 29.h3-+) 28…fe4 (28...fe4 29.h3 e3-+) 0-1. ClayPigeons (2170) - mreverdy (2075), Rated Bullet game, lichess.org, 2020.

7.c5 a5 8.cd6 cd6 9.b5+=.

7.c5 a6 8.Be2 (8.Nc3 Nb8=) 8...Re8 (8...a5 9.cd6 cd6 10.b5+=) 9.0-0 (9.Nc3 a5 10.a3=) 9...e6 (better is 9...a5!?+=) 10.Nbd2 Nb8 11.Nb3 (11.Qa4 Nc6+=) 11...b6 (11...Nc6 12.a3=) 12.Ne1 (12.Rc1 Bb7=) 12...Bb7 13.Bf3 d5 (13...Nc6 14.Nd3=) 14.cb6 (14.Nd3 Nc6+=) 14...cb6= 15.Nd3 Nc6 16.Qd2 (16.Nd2 Qd6=) 16...Rc8 17.a3 Na7 (17...Ne4 18.Qe2+=) 18.Rac1 Re7 19.Rc8 Nc8 20.Nbc1 Nd6+= 21.Ne2 Nc4 22.Qc1 Nb2 23.Nb2 b5 24.Nd3= Rc7 25.Qd2. Hasler,Ueli – Coope,Derek, CiF, 2004.

7.c5 dc5 8.bc5 Qe8 9.Bb5 c6 10.Ba4 e5 11.de5 Nd5 12.Qc2 Ne5 13.Nbd2 Nf3 14.Nf3 Nb4 15.Qb3 Bb2 16.Qb2 Nd3 0–1. Chess4Win (1775) – chezzguy54swaggg (1805), lichess.org, 2020.

7.c5 c6 8.Nc3 b5 (8...a5 9.a3=) 9.a4 (9.cd6 ed6 10.a4 ba4 11.Qa4 Bb7+=) 9...ba4 (9...dc5 10.dc5 Nd5 11.Qb3 ba4 12.Ra4=+) 10.Qa4+= dc5 11.bc5 Rb8 (11...Qc7 12.Bc4+=) 12.Rb1 (12.Nd1 Bb7+/-) 12...Nd5 (12...Qc7!?+=) 13.Nd5+/- cd5 14.Qa7 Rb7 15.Qa2 (15.Qa1 Qc7 16.Rc1 Ra7+/-) 15...Nf6 (better 15...Nc5 16.Rc1 Nb3=+) 16.Bd3+/- Ng4 (16...Qc7!?+/-) 17.0-0+- e5 (17...Qd7 18.Rfc1 Ra7 19.Qb3+-) 18.h3 (18.de5!? Re8+-) 18...Nf2 (18...e4 19.hg4 ed3 20.Bc3+/-) 19.Rf2 e4 20.Be4 de4 21.Nd2 Qg5 (21...Be6 22.Qa4 Qd5 23.c6+=) 22.Ne4 (22.Qa3 Qd5+/-) 22...Qe3+= 23.Nd6 Be6 24.Qa1 (24.d5 Rb2 25.Rbb2 Bb2 26.Qb2 Bd5=) 24...Rb2=+ 25.Qb2 (25.Qb2 Qd4 Double attack (25...Qd4 Decoy); 25.Rbb2 Bd4 Double attack (25...Bd4 Decoy)) 25...Bd4 26.Qe2?? (better 26.Qc2-/+) 26...Qg3 (better 26...Qe2 27.Rbf1 Rb8-+) 27.Qf3 (better 27.Ne4!? Qe5 28.Rb4=+) 27...Qf3-/+ 28.gf3 Bc5 29.Ne4 Bf2 30.Nf2 Bf5 31.Rb2 Ra8 32.Kh2 Kg7 33.Kg3 Ra3 34.Ng4 (34.h4 Ra4-/+) 34...h5 35.Ne5 f6?? (35...g5 36.Nc6-+) 36.Nc4 (better 36.Rb7!? Kf8 37.Rf7 Ke8 38.Rf6=) 36...Rc3 (36...h4 37.Kg2 Rd3 38.Re2-+) 37.Nd2 (37.Nd6 Be6-/+) 37...g5-+ 38.Kf2 (38.h4 Rd3-+) 38...Kg6 (38...Bh3 39.Rb7 Kg6 40.Ne4-+) 39.Ra2 (better 39.Kg2-+) 39...Bh3 40.Ra6 g4 (better 40...Bf5-+) 41.fg4 hg4 42.Ne4?? (better 42.Rf6 Kg7 43.Rf4-+) 42...Rf3 43.Ke2 (43.Kg1 g3 44.Ng3 Rg3 45.Kf2 Rg2 46.Kf3 Rg1-+) 43...Rf4 (better 43...Bf1 44.Kd2 Ba6-+) 44.Nf2 (44.Ke3 Rf5-+) 44...Kg5 45.Ra5 (45.Ra3 Kh4 46.Nh1 Rb4-+) 45...f5 46.Ra8 Bg2 47.Rg8 (47.Rd8 Ra4-+) 47...Kf6 (47...Kh4!? 48.Rd8-+) 48.Rf8 Ke7 49.Rh8 (49.Rg8 Bd5 50.Rg6 Kf7-+) 49...Bf3 (49...g3 50.Nd3 Bf1 51.Ke3-+) 50.Ke1 (50.Kf1 Ra4 51.Nd3 g3 52.Rh7 Kf6-+) 50...g3 51.Nh3 Re4 (51...Rd4!? 52.Nf2 Rd5 53.Rh7 Kf6 54.Rh6 Kg5 55.Re6-+) 52.Kd2 g2 (better 52...Bg4 53.Rg8-+) 53.Rg8 (53.Ng1 Re2! 54.Kc3 Rf2-+) 53...Rg4 (53...Re2 54.Kd3 Bg4 55.Rg4 fg4 56.Nf4 Re3 57.Ke3 g1Q 58.Kd3-+) 54.Rg4 Bg4 (54...fg4?! 55.Ng1-+) 55.Ng1 f4 56.Ke1 (56.Kd3 Kf6 57.Kd2 Kg5-+) 56...f3 57.Kf2 Kf6 58.Ke3 Kf5 (58...Kg5 59.Kf2-+) 59.Kf2 Kf4 60.Ke1 Kg3 61.Kd2 f2 62.Ne2 (62.Ne2 Be2 63.Ke2 f1Q 64.Kd2 g1Q 65.Kc3 Qe3 66.Kb4 Qb1 67.Kc4 Qbb3; 62.Nf3 Bf3 63.Kc3 f1Q 64.Kd4 g1Q 65.Kc3 Qc5 66.Kb2 Qe2 67.Kb3 Qec2). dannysmet (2030) - vladislav_ov (2050), Rated Blitz game, lichess.org, 2021.

7.Nbd2 Qe8 8.Qc2= d5 9.c5 c6 10.a4 b6 11.cb6+/– Nb6 12.a5 Bf5= 13.Bd3 Bd3 14.Qd3 Nbd7 15.Qa6 Qc8 16.Qd3 Rb8 17.Ba3 Re8 18.Rc1= e5 19.de5 Ne5 20.Ne5= Re5 21.Nf3 Re4 22.Nd4+= Rd4 23.Qd4 Ne4 24.Qd3+/– Bf8 25.0-0 Qc7 26.b5 Ba3 27.Rc6 Qe7+= 28.Qd5 Rd8 29.Qa2 Qb4?? 30.Rc7 Qf8 31.Ra7+- Nc3 32.Qc4 Rc8 33.Qd3 Qc5 34.b6 Rb8 35.Qd7 Ne2? 36.Kh1 Rf8 37.h3 Qe5 38.Qd3 Nc3?? 39.Rc7 Nd5 40.f4 Qe6 41.Qa3 Nc7 42.bc7 Rc8 43.Rc1 Qa6 44.e4 h6 45.f5 g5 46.e5 h5 47.e6! fe6 48.Qe7 ef5 49.Qg5 Kf7 50.Qf5 Ke7 51.Qh7 Kf8+- 52.Qh8 Ke7 53.Qg7 (53.Qg7 Ke6 54.Qg6 Ke7 55.Re1 Kd7 56.Qa6 Rf8 57.c8Q Rc8 58.Qe6 Kc7 59.Rc1 Kb7 60.Qb6 Ka8 61.Rc8#) 1–0. Lopez Guerrero,Jose Miguel – Ojeda Ruiz,Jose Luis, Malaga–ch Preferente, 1999.

7.Nbd2 Ne8 8.Rc1 f6 (8...c5 9.bc5 dc5 10.Bd3=) 9.Qb3 Kh8 10.Be2 e5 11.0-0 a6 (11...Qe7 12.c5+=) 12.c5+/- Nb8 (12...a5 13.b5+/-) 13.cd6 cd6 14.de5 (14.Rc3 f5+/-) 14...fe5 15.Rfd1 Nc6 16.Ne4 (16.e4 Qf6+/-) 16...Qe7+= 17.Rd2 Be6 (17...Bf5 18.Ng3+=) 18.Bc4 Bc4 19.Qc4 Rd8 20.Rcd1 h6 21.a4 Kh7 (21...Rd7 22.Ba3+/-) 22.Ba3 Nf6 (22...d5 23.Rd5 Rd5 24.Rd5+/-) 23.b5 (23.Rd6? Ne4 24.Rd8 Rd8 25.Rd8 Qd8-+) 23...ab5 24.ab5 Na5 25.Nf6 Bf6? (25...Rf6 26.Qh4+/-) 26.Qd5?? (26.Qa4!? e4 27.Bd6 Rd6 28.Rd6 Rf7+-) 26...Qc7? (better 26...Qf7!? 27.Rc2 Qd5 28.Rd5 Rc8 29.Rc8 Rc8 30.Rd6 Bg7+-) 27.Bd6+- Qd7?? (27...Qf7 28.Qf7 Rf7 29.Be5 Rd2 30.Rd2+-) 28.Ne5 (better 28.Qa2!? Qf7 29.Qa5 Rfe8+-) 28...Be5?? (28...Qd6 29.Ng6 Qd5 30.Nf8 (30.Rd5?? Kg6 31.Kf1 Nc4-+) 30...Rf8 31.Rd5+-) 29.Be5 (better 29.Bf8 Qd5 30.Rd5 Bh2 31.Kh2 Rf8 32.Rd7 Kg8+-) 29...Qd5 30.Rd5 Rd5 31.Rd5 Rc8 (31...Rf7 32.Rd4+-) 32.Rd7 (32.f4 g5+-) 32...Kg8 33.g3 1-0. twardziel70 (1890) - porta (1740), Rated Blitz tournament, lichess.org, 2014. (=1.d4 g6 2.e3 Bg7 3.Nf3 d6 4.c4 Nf6 5.Nbd2 Nbd7 6.b4 0-0 7.Bb2)

7.Bd3 a6 8.0-0 b6 9.Qc2 Bb7 10.Nbd2 c5 11.a3 e6 12.Rfe1 Qe7 13.h3 d5 14.dc5 dc4 15.Bc4 bc5 16.b5 ab5 17.Bb5 Ba6 18.a4 Rfc8 19.Nc4 Bb5 20.ab5 Nd5 21.Bg7 Kg7 22.e4 Ra1 23.Ra1 N5b6 24.Qc3 Kg8 25.Nb6 Nb6 26.Ra6 Qd8 27.Ne5 Qd1 28.Kh2 Na4? 29.Qa5?? Qd4?? 30.Nf3 Qe4 31.Qa4 Qe2?? 32.Ra8 Ra8 33.Qa8 Kg7 34.Qa1 Kg8 35.b6 Qe4 36.Qe5 Qb4 37.Qc7 e5 38.b7 Qf4 39.Kh1 Qc1 40.Ng1 (40.Ng1 Qb1 41.b8Q Qb8 42.Qb8 Kg7 43.Qe5 Kg8 44.Nf3 Kf8 45.Qf6 h6 46.Ne5 Ke8 47.Qf7 Kd8 48.Qd7) 1–0. Kievelitz,Bernd (1965) – Steppan,Siegfried, Berlin op, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Bd3)

7.Bd3 Qe8 8.0-0 e5= 9.de5 de5 10.e4 Qe7 11.c5 a5 12.a3 Rd8 13.Qe2 (13.Qc2 ab4 14.ab4 Ra1 15.Ba1 Nh5+=) 13...c6 (13...Nh5 14.Bc4=) 14.Nbd2 b6 15.cb6 ab4 16.ab4 Ra1 17.Ra1 (17.Ba1 Nb6 18.Be5 Bg4+=) 17...Qb4+= 18.Be5 (18.Rb1 Qb6 19.Be5 Qa7+=) 18...Ne5= 19.Ne5 Qb6 20.Ndc4 Qd4 (better 20...Qc7 21.Ra3 Nh5=+) 21.Ra8?? (21.Ra3 Bd7=) 21...Bb7 (better 21...Ne8 22.Nc6 Qd3 23.Qd3 Rd3+/-) 22.Rd8= Qd8 23.g3 Nd7 24.Nd7 Qd7 25.Nb6 Qd4 26.Nc4 c5 27.Qe3 Kf8 28.Qd4 Bd4 29.Kf1 Ke7 30.Ke2 Ke6 (30...Bc8 31.Nb6 Be6 32.Bc4=) 31.f4 f5 (31...f6 32.Na5 Bc8 33.Nb3=) 32.ef5 (32.e5 Ba6=) 32...gf5 33.h3 Be4 (33...Bg2!? 34.g4 Bh3 35.Bf5 Ke7 36.Bh7 Bg4 37.Kd3 Bd7=) 34.g4+= h6 35.gf5 (35.Ne3!? Bd3 36.Kd3 Be3 37.Ke3 fg4 38.hg4=) 35...Bf5= 36.Bf5 Kf5 37.Kf3 h5 38.h4 Bf6 39.Nd6 Ke6 40.Nb7 (40.Ne4 Be7=) 40...Kd5 (better 40...c4 41.Ke4 Bh4 42.Nc5 Kd6 43.Nb7 Kc7-+) 41.f5? (41.Nc5 Kc5 42.Ke4 Bh4=) 41...Bh4?? (41...c4 42.Ke2 Bh4 43.Na5-+) 42.Kf4?? (42.Nc5 Ke5=) 42...Bf6?? (42...c4 43.Na5 c3 44.Nb3-+) 43.Na5?? (43.Nc5 Kc5 44.Kf3 Kd5=) 43...c4?? (better 43...Bc3 44.Nb7 c4-+) 44.Nc4= Kc4 0-1. amnezia (1890) - Jackblackknight (2135), Rated Blitz game, lichess.org, 2014.

7.Be2 Rb8 8.a3 b6 9.Nbd2 Bb7 10.0-0 c5 11.dc5 bc5 12.b5 a6 13.a4 ab5 14.ab5 e6 15.Qc2 d5 16.cd5 ed5 17.Rfc1 Nb6? (better is 17...Qe7+=) 18.Qc5+- Nc4 (18...Rc8 19.Qd4 Re8+-) 19.Nc4 dc4 20.Qc4 (20.Bc4?! Bf3 21.gf3 Ne4 22.fe4 Bb2+/–) 20...Ne4 21.Bg7 Kg7 22.Qd4 Qd4 23.Nd4 Kg8 24.Bf3 Ng5 25.Bb7 Rb7 26.Rcb1 Rd8 27.h3 f5 28.Rb2 Kg7 29.Rba2 h5 30.h4 Kf6 31.hg5 Kg5 32.Ra7 Rbb8 33.Ne6 Kf6 34.Nd8 Rd8 35.b6 Rb8 36.b7 g5 37.Rc1 f4 38.ef4 gf4 39.Rc8 Rc8 40.bc8Q Kg5 41.f3 (41.f3 Kf6 42.Ra6 Kg5 43.Qd8 Kf5 44.Qd5; 41.Qf8 h4 42.Rg7 Kh5 43.Qh8) 1–0. Fournier,Frederic – clara659, Active, 2009.

7.h3 b6 8.Be2 Bb7 9.0-0 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Qa8 13.Nc3 c5 14.bc5 bc5 15.d5 Rb8 16.Qc2 Ba6 17.Nd2 Rb4 18.Na2 Rb6 19.Rc1 Qb8 20.Bf1 Ne8 (20...Qe8 21.Rb1=) 21.Bg7 Kg7 22.Rb1 Nc7 23.Rb6 Qb6 24.f4 f6 (24...e6 25.Nc3=) 25.Qc3 (25.Nc3 Qa5+=) 25...Bc8 (25...Bb7 26.Bd3=) 26.Nc1 Na6 27.Nd3 Nb4 28.Nf2 Qa5 29.Be2 Qa2 30.Bd1 Nb6 31.Nfe4 Bf5 32.Bb3 Qa3 33.g4 Be4 34.Ne4 Na2 35.Ba2 Qa2 36.Nd2 Na4 37.Qd3 Kf8 38.h4 Qa1 39.Kf2 Qd1 40.Qe2 Qh1 41.Nf3 Nc3 42.Qd3 Nd1 43.Kg3 Nb2 44.Qc3 Nd1 45.Qd2 Qf1 46.e4 h5 47.gh5 gh5 48.e5 f5 49.ed6 ed6 50.Qc2 Ke7 51.Qd2 Kf6 52.Qc2 Kg7 53.Qa2?? Kh7?? 54.Qd2= Kg6 55.Qe2?? Ne3 56.Qd2 Nd1 57.Qc2 Ne3 ½–½. Sergeev,Vl (2430) – Neef,M (2250), Dresden GER, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7)

7.h3 e5 8.de5 (8.Nc3 ed4 9.Nd4 c5 10.bc5 dc5+=) 8...de5 9.Be2 (9.Ne5? Ne4 10.Nd3 Ne5 11.Be5 Be5 12.Ne5 Qd1 13.Kd1 Nf2 14.Ke2 Nh1–/+) 9...Qe7 10.c5 Rd8 (10...a5 11.a3–/+) 11.Qb3 (11.Nbd2 a5 12.a3 e4+=) 11...e4 (11...a5 12.a3–/+) 12.Nd4+= Ne5 13.Nd2 a5 14.a3 Nd5 (14...ab4 15.ab4 Ra1 16.Ba1=) 15.Ne4 Qh4 (15...Nc6 16.Nc6 bc6 17.Ng3+=) 16.Nd2= a4 (16...Qg5 17.N2f3 Nf3 18.Nf3+=) 17.g3 Qh6 (17...Qg5 18.h4 Qe7 19.Qc2=) 18.Qc2 Bg4 (18...Bd7 19.Rd1 Nc6 20.Nc6 Bc6 21.e4 Bb2 22.Qb2+/–) 19.Bg4+= Ng4 20.N2f3 Ne5 (20...Ngf6 21.h4+=) 21.Ne5 Ne3?? (better is 21...Be5 22.Qe4 Bg7+=) 22.Qe2+- (22.Qe2 Be5 23.Qe3 (worse is 23.fe3 Bg3 24.Kd2 b6+-) 23...Qe3 24.fe3 Bg3 25.Ke2+-) 1–0. Rakhmangulov,Andrei – Morozov,Egor, Kostroma RUS, City Ch, 2014. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 Nbd7)

7.Qb3 b6

8.a4 Bb7 9.c5 (better 9.Be2!?=) 9...Bf3 10.gf3 dc5 11.dc5 e6 (11...bc5!? 12.b5 Rc8-/+) 12.c6= Nb8 13.b5 Qe7 (better 13...a6=) 14.Ba3+- Qd8 15.Bf8 Qf8 16.Nd2 (16.Nc3 a6+-) 16...Nd5 17.Rd1 Qc5 (17...a6 18.Nb1+/-) 18.Be2 (18.Bc4 Nb4+-) 18...a6+/- 19.0-0 (better 19.Nb1!?+/-) 19...ab5 (19...Nc3 20.Rde1 ab5 21.Bb5 Nc6 22.Ne4 Ne4 23.fe4=) 20.ab5 (better 20.Bb5 Nc3 21.Rc1 Qg5 22.Kh1+/-) 20...Qd6?? (better 20...Nc3 21.Rde1 Ra3=+) 21.Ne4 Be5?? (better 21...Qe7+-) 22.Nd6 (22.Nd6 Bd6 23.Bc4+-) 1-0. ClayPigeons (2050) - Chumbawamba88 (2045), Rated Bullet game, lichess.org, 2020.

8.Nc3 a5 9.a3 (9.b5 e5+=) 9...c5 10.dc5 (10.Be2 cd4 11.ed4 ab4 12.ab4 Ra1 13.Ba1 Nh5=) 10...dc5 (10...ab4 11.ab4 Ra1 12.Ba1 bc5 13.b5=) 11.Rd1 Qc7 12.Nb5 Qb8 13.Be2 ab4 14.ab4 Bb7 15.0-0 h5 (15...Rd8 16.Rd2=) 16.Rd2+= Bf3 (16...Bc6 17.Rfd1+=) 17.Bf3+/- (17.Bf3 Ra6 18.Bc6+/-; worse 17.gf3 cb4 18.Qb4 Nc5=) 1-0. ClayPigeons (2100) - NewPixelCL3 (2160), Rated Bullet game, lichess.org, 2020.

8.Be2 Bb7 (8...a5 9.b5+=) 9.0-0 e6 (9...c5 10.Nc3=) 10.a4 a5 11.Nc3 (11.b5 Rc8+=) 11...ab4= 12.Qb4 e5 (12...Ra5 13.Qb3=) 13.de5 de5 14.Rfd1 Qc8 (14...Re8 15.Nb5 Ne4 16.Ra2=) 15.Nb5 (15.Nd5 Re8+=) 15...Ne4 (15...e4 16.Ne5=) 16.a5 Re8 (16...c5 17.Qe1=) 17.ab6+= Ra1 18.Ba1 (18.Ra1 cb6 19.Rd1 Bf8=) 18...cb6= 19.Qb1 (19.Nd6 Nd6 20.Qd6 Bc6=) 19...Bf8 (19...Qc6 20.Rd5 Ndc5 21.Bd1=) 20.Bb2 (20.Nc3 Nc3 21.Bc3 Bf3 22.gf3 Bg7=) 20...f6 21.Ne1 (21.Nc3 Nc3 22.Bc3 Qc7=) 21...Ndc5 (21...Rd8 22.f3 Nec5 23.Nc2=) 22.f3 Ng5 23.Nd6 Bd6 24.Rd6 Re6 (24...Qc7 25.Rd1=) 25.Rd1 Nf7 (25...Qc7 26.Nd3+=) 26.Ba3+= Qc7 27.Nc2 (27.Nd3 Nd6+=) 27...Rd6 28.Nb4 Rd1 29.Qd1 Kg7 (29...Nd6 30.e4+=) 30.Nd5 Qd8 (30...Bd5 31.cd5 Nd6 32.Bb4+=) 31.Kf2 Qa8 32.Bb4+= Qd8 33.e4 Ng5 34.Qa1+= Bd5 35.cd5 Qb8 36.Qa3 Nf7 37.Bb5 Nd6+= 38.Bc6 h5 39.h4 Nc4+= 40.Qc3 Nd6 41.Kg1 Qa7 42.Kh2 Nf7 43.Qe3 Qb8 44.Bd2 Kf8 45.Bb5 Qc7 46.Bf1 Qa7 47.Bb4 Kg7 48.Bb5+/– Qa8 49.Bc5+- bc5 50.Qc5 Qa5 51.d6 Qe1 52.d7 Qh4 53.Kg1 Qe1 54.Bf1 Qd2 55.Qe7 h4 56.Kh2 Qf4 57.Kh1 Qd2 58.Qe6 Qd1 59.Kg1 Qd4 60.Kh2 Qf2 61.Qe7 Qd2+= ½–½. Ruf,M (2395) – Kindermann,S (2505), BL, 1992. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Qb3)

8.Be2 Bb7 9.a4 c5 10.Nbd2 e5 (10...a5 11.dc5 dc5 12.b5=) 11.bc5 (11.0-0=) 11...bc5 (better 11...e4!? 12.c6 Bc6=) 12.Qb7+/- Rb8 13.Qa7 Rb2 14.0-0 (14.de5 de5 15.Rd1 e4+=) 14...ed4 (better 14...e4!? 15.Rfb1 Qb8 16.Qb8 Rfb8 (worse 16...Rbb8 17.Ng5+-) 17.Rb2 Rb2=+) 15.ed4+= cd4 (15...Re8 16.Bd3+=) 16.Qd4 (16.Rfb1 Rb1 17.Rb1 Re8 18.Nd4 Ne4+/-) 16...Qb8 (16...Nh5 17.Qd6 Rb6 18.Qa3+=) 17.Rab1 Rb1 18.Rb1 Qc7 19.Qd3 (19.Qf4 Nc5+/-) 19...Ne5 (19...Nc5 20.Qa3+=) 20.Qc2 Nf3 21.Nf3 (21.Bf3 d5+/-) 21...d5 22.c5 (better 22.Qb3!?+/-) 22...Ne4= 23.Bd3 Nc5 (23...Nc3 24.Re1=) 24.Rc1 Rc8 25.Bb5 Ne6 Black prepares the advance d4 26.Qc7 Rc7 (26...Nc7? 27.g4+-) 27.Rd1 d4 28.h3 h6 29.Ne1 g5 (29...Kf8 30.Kf1=) 30.Nd3 Nc5 (better 30...Rc3=) 31.Nb4 (31.Rc1 Bf8 32.Rc4+=) 31...d3?? (better 31...Na4 32.Ba4 Rc4-/+) 32.Nd3+/- Nd3 33.Rd3 Rb7 (33...Kf8 34.a5+/-) 34.Rd7 (34.Rd8 Bf8+/-) 34...Rd7 35.Bd7 Bc3 36.Bb5 Ba5 37.f3 (37.g3 f6+/-) 37...Kg7 38.Kf2 Kf6 (38...f5 39.Ke3+/-) 39.Ke2 (39.Bc4 Kg6+/-) 39...Ke5 40.g3 f5 41.Kd3 f4 42.g4 Kd5 43.Be8 Ke5 (43...Bb6 44.Bf7 Kc5 45.Ke4+/-) 44.Kc4+/- Kd6 0-1. ClayPigeons (2135) - amaradista (2155), Rated Bullet game, lichess.org, 2020.

7.Qb3 c6

8.a4 a5!?=.

8.a4 e5 9.de5+= de5 10.Ne5 Ne5 11.Be5 Qe7 (11...Re8 12.Qc3+=) 12.Bc3 (12.Qc3 Nd5 13.cd5 Be5–+) 12...Bg4 (12...Rd8 13.Be2=) 13.Nd2 (13.Bd3 Rfd8 14.Bb2 a5=) 13...Rad8= 14.h3 Bf5 15.Rd1 Rfe8 16.Be2 b6 (16...Qe6 17.0-0+=) 17.0-0 c5 18.b5 Ne4 (18...Qe6 19.Rfe1+=) 19.Ne4 Be4 20.Bg7 Kg7 21.Qc3 Qf6 22.Qf6 Kf6 23.Rd8 Rd8 24.Rd1 Rd1 25.Bd1 Bd3 26.Bb3 Ke5 27.f3 g5 28.Kf2 h5 29.Kg3 f5+= 30.Kf2 h4= 31.g3 hg3 32.Kg3 f4 33.ef4 gf4 34.Kg4 Bf5 35.Kh4 Kd4 36.Kg5+/– Bh3 37.Kf4 Kc3 38.Bd1 Kc4 39.Ke4 Be6 40.f4 Kc3 41.f5+= Bg8 42.Bh5 Kd2 (43.f6 c4+/–; 42...Bb3 43.f6 Bc2 44.Ke5 Bb3+-). Plock,Joerg – Suc,Timothy, or01–003 E–mail, 2001.

8.Bd3 Re8=.

8.Be2 b6 9.Nc3 Bb7 10.a4 Qc7 11.c5 (better 11.a5!?+=) 11...bc5=+ 12.bc5 dc5 13.dc5 Nc5 14.Qc2 Rfd8 15.0-0 Ne6 16.Rfc1 Rac8 (16...c5 17.a5-/+) 17.a5 a6 (17...c5 18.a6 Bc6 19.Rab1-/+) 18.Na4 Nd5 (18...Qa5 19.Qb1 Rb8 20.Nc5 Qc5 21.Rc5 Nc5 22.Qc2=) 19.e4 (19.Bg7 Kg7 20.Nb6 Rb8= (worse 20...Nb6 21.ab6 Qd6 22.Ba6 Ba6 23.Ra6+/-)) 19...Nb4 20.Qb3 Bb2 21.Qb2 Nd3 (worse 21...Qa5 22.Rc4 Nf4 23.Rb4 (worse 23.Qb4 Ne2 24.Kf1 Qb5+/-) 23...Ne2 24.Kf1+-) 22.Bd3 Rd3 23.Nb6 Rcd8 (better 23...Rb8=+) 24.g3?? (better 24.Nd5! R8d5 25.ed5 Rd5 26.Rab1=) 24...Nd4 (better 24...Rf3!? 25.Nd5 Qd7 26.Nc3-+) 25.Ng5? (better 25.Nd4 R8d4 26.Ra4 Rd1 27.Kg2=+) 25...h6-+ 26.Nh3 Bc8 (better 26...Rd2! 27.Qb4 Ne2 28.Kf1 Nc1 29.Rc1 R2d4-+) 27.Nf4 Nf3 (better 27...Rb3 28.Qa2 Qe5 29.Nc8 Rc8-+) 28.Kg2=+ Rd2 29.Qc3 Ne5? (better 29...Bg4!? 30.h3 Ng5=) 30.Nc8 Rc8?? (better 30...g5 31.Nd5! R2d5 32.ed5 Rc8+-) 31.Qd2+- c5 (31...Rb8 32.Rab1 Rb1 33.Rb1+-) 32.Qc3 (32.Nd5 Qd6+-) 32...c4 (32...e6 33.f3+-) 33.Ne2 (better 33.Nd5 Qd6+-) 33...Nd3 34.Rd1 (34.Rc2 Qe5 35.Qe5 Ne5+-) 34...Qb7 (34...Qc5 35.Rd3 cd3 36.Qd3+-) 35.f3 Ne5 (35...Qb2 36.Qb2 Nb2 37.Rdb1+-) 36.Kh3 (better 36.Qe5 e6 37.Rab1+-) 36...f6 (36...Nd3 37.Rdb1 Qc7 38.Rb6+-) 37.f4 (better 37.Rab1!? Qc6+-) 37...Nd3 (37...Qe4 38.fe5 Qe2 39.Re1+- (39.ef6?! Rc5 40.g4 h5+-)) 38.Qd4 (better 38.Rd3 cd3 39.Qd3+-) 38...Nc5 (38...Qe4 39.Qe4 Nf2 40.Kg2 Ne4+-) 39.Rd3 (better 39.Qc4 Kg7 40.Qd5+-) 39...Nd3 (worse 39...cd3 40.Nc1 e5 41.Qd6-+) 40.Qf6?? (better 40.Nc3 e5 41.fe5 fe5 42.Qb6-+) 40...ef6 41.Nd4 Qe4 42.Ne6 Qg2! 43.Kg2 Nf4 (43...Nf4 44.Nf4 Kf7+/-) 0-1. ClayPigeons (2190) - pattoncxj (2095), Rated Bullet game, lichess.org, 2020.

8.Be2 e5 9.0-0 e4 10.Nfd2 d5 11.Nc3 Nb6 12.a4 (12.c5 Nbd7+/–) 12...Be6 13.a5 Nbd7 (13...dc4!? 14.Nc4 Nc4 15.Bc4 Bc4 16.Qc4 Qd7=) 14.b5+/– a6 15.Qa4 (better is 15.bc6!? bc6 16.Ba3 dc4 17.Bc4+/–) 15...ab5= 16.cb5 Bg4 (16...c5!?=) 17.bc6 Be2 (17...bc6 18.a6+=) 18.Ne2 (18.cb7!? Bf1 19.ba8R (19.ba8N?! Ba6 20.Nb6 Nb6 21.ab6 Qb6=; 19.ba8B?! Bg2 20.Kg2 Qa8+/–) 19...Qa8 20.Rf1+-) 18...bc6 19.a6 Ng4 20.Qc6 (better is 20.a7 Qc7 21.g3+/–) 20...Qb8+= 21.Ba3?? (better is 21.Nf4 Qb2 22.Nd5 Qd2 23.Qd7=) 21…Qh2# 0–1. ferminkatcho – supersz (1635), kurnik, 2012.

7.Qb3 Qe8

8.Nbd2 e5 9.de5 Ne5 10.Ne5 de5 11.c5 c6 12.Bc4 Kh8 13.0-0 Bf5 Black intends e4 14.f3 Rd8 15.Rf2 e4 (15...b5 16.cb6 ab6 17.e4+=) 16.f4 (16.g4!? Be6 17.g5+/-) 16...Ng4 17.Bg7 Kg7 18.Re2 Nf6 19.h3 h5 20.a3 Qe7 21.Rc1 Nd5 22.Bd5 Rd5 23.Qc3 f6 24.Nb3 Rd3 25.Qb2 Be6 26.Nd4 Bd5 27.Kh2 Qd7 28.Rg1 Rh8 29.g3 h4 30.g4 Qc7 31.Kh1 Re8 (31...Kg8!?=) 32.g5+= f5 1-0. bjoernsen (2435) - Jadoubovic11 (2400), Rated blitz game, lichess.org, 2021.

8.Be2 e5 9.de5 de5 10.0-0 Kh8 11.Nc3 c6 12.Rad1 Nh5 13.Ne4+/– f5 14.Nd6 Qe7 15.Rd2 f4 (15...Nhf6 16.Rfd1+/–) 16.Rfd1+- Nb6 17.Bf1 (17.e4 Bg4+-) 17...Bg4 (17...e4 18.Nc8 Rac8 19.Nd4+=) 18.Be2 Bf3?? (18...Bc8 19.e4 Bg4+-) 19.Bf3+- (19.gf3?! Nc8+=) 19...Bh6 (19...fe3 20.Qe3 Nf4 21.b5+-) 20.Qc3 Bg7 21.Bh5 gh5 22.Qb3 Qg5 23.ef4+- ef4 24.Bg7 Qg7 25.Rd3 Nd7 26.Qc3 Ne5 27.Rh3 f3 28.Rg3 Qf6 29.Ne4 Qe7 30.Rd7! Rad8 31.Rd8 Rd8 32.gf3 Rd3?? 33.Qb2 h6 34.f4 Rg3 35.fg3 Kg8 36.Qe5 Qb4 37.Qe6 Kf8 38.Qh6 Ke7 39.Qg7 Kd8 40.Qf6 Kc7 41.Qd6! Qd6 42.Nd6 Kd6 43.Kf2 b5 44.cb5 cb5 45.Ke3 Kd5 46.h3 a5 47.Kd3 b4 48.g4 h4 49.g5 a4 50.g6 Ke6 51.f5! Kf6 52.Kc4 b3 53.ab3 ab3 54.Kb3 (54.Kb3 Ke7 55.Kc4+-) 1–0. Lange,Anika (1635) – Kuckling,Hannah (1775), Oberhof GER, Ch U16, 2011. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Bb2 Nbd7 7.Qb3)

7.Qc2 c5

8.b5 b6 (8...cd4 9.ed4 e5 10.Be2–/+) 9.d5 Ng4 10.h3 Bb2 11.Qb2 Nge5 12.Nbd2 Re8 13.Be2 e6 14.e4 (14.de6 Re6 15.Ne5 Ne5=) 14...a5 (14...ed5 15.cd5 Nf3 16.gf3–/+) 15.ba6 (15.0-0 Qf6 16.Ne5 Ne5=) 15...Ba6 (better is 15...ed5 16.Ne5 Ne5 (16...de5?! 17.cd5 Ba6 18.Ba6 Ra6 19.0-0=) 17.cd5 Qf6–/+) 16.a4?? (better is 16.Ne5 Ne5 17.de6 fe6 18.Rb1=) 16...ed5–+ 17.Ne5 Ne5 (17...de5?! 18.ed5 e4 19.Ra3=; 17...Re5?! 18.cd5 Qf6 19.Qa3 Be2 20.Ke2–/+) 18.cd5 Be2 (better is 18...Nd3!? 19.Bd3 Bd3–+) 19.Ke2–/+ f5 20.f4 Nd7 21.Kf3 fe4 22.Ne4 Qe7 (better is 22...Qh4!? 23.g3 Qh5 24.g4 Qd5–+) 23.Rhe1= Rf8 24.Kg3 Rf5 25.Nc5 Ne5 26.fe5 bc5 27.a5 de5 28.a6 e4 29.a7?? (better is 29.Kh2=) 29...Qd6 30.Kh4 (30.Qe5 Qe5 31.Kh4 Qf4 32.g4 Qf2) 30...Qf4 31.g4 Rh5 0–1. caacaacaa (1790) – biarrot (1915), gameknot.com, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.d4 Nbd7)

8.bc5 dc5 9.Be2 Qc7 10.0-0 Re8 11.Nc3 a6 12.d5 e6 13.e4 ed5 14.Nd5 Qc6 15.Bd3 Ng4 16.Bg7 Kg7 17.Qc3 f6 18.Rab1 Rb8 19.h3 Nh6 20.e5! fe5 21.Ne5 Ne5 22.f4 b5 23.fe5 b4 24.Qb2 Be6 25.Be4 Qc8 26.Qf2 Rf8 27.Qg3 Qd7 28.Rf6! Ng8 29.Bg6 Rf6? 30.ef6 Kh8 31.Qb8 hg6 32.Rf1 Kh7 33.Qf4 Qf7 34.Qg5 Nh6 35.Re1 Nf5 36.Nf4 Nd4 37.Ne6 Ne6 38.Qd5! 1–0. Kreuzer (1935) – Bahman (1890), 1993.

7.Nc3 Re8

8.Qb3 c6 9.Be2= e5 10.a4 (10.0-0 ed4 11.Nd4 a6=) 10...e4 11.Ng5 h6 12.Nh3 Nf8 13.Nf4 (13.0-0!?=) 13...g5+= 14.Nh5 Nh5 15.Bh5 Be6 (better is 15...g4!? 16.h4 Nh7+=) 16.0-0 d5 17.cd5 Bd5 18.Nd5 Qd5 19.Qd5 cd5 20.Rac1 Rac8 21.f3 (21.Be2 Ne6+=) 21...ef3 (21...Rc1!? 22.Bc1 Nh7 23.fe4 Nf6+=) 22.Bf3 Rc1 23.Rc1 (better is 23.Bc1!? Rd8 24.Bh5+/–) 23...Re3= 24.Bd5 Re2 25.Bc3 Ng6 (25...Re7!?=) 26.Bb7 Nf4 27.Kf1 Ra2 28.Ra1 (28.Re1 Ne6+=) 28...Rc2 29.g3 (29.Ra3 Rc1 30.Be1 Bf8=) 29...Nd3 30.Ra3 Rh2 (30...Rf2!? 31.Kg1 Rc2=) 31.Be4 1–0. marektheim – sedovych, internet, 2015.

8.Qb3 e5 9.d5 Nb6 10.a4 a5 11.b5 Nbd7 12.Ba3 e4 13.Nd2 Nc5 14.Bc5 dc5 15.h3 b6 16.Rd1 Qd6 17.Qc2 Qe7 18.g3 Bd7 19.Bg2 Rad8 20.Nce4 Bf5 21.Nf6 Bf6 22.e4 Bd7 23.0-0 h5 24.Nb3 h4 25.g4 Kg7? 26.f4+- Kh7 27.g5 Bg7 28.Qf2 Rh8 29.Qh4 Kg8 30.Qg3 c6? 31.bc6 Bc6 32.e5 Bb7? 33.Rd3 1–0. Larios Villa (1995) – Fernandez Giner, Mondragon Arrasate Hiria op 5th, 2005.

8.Be2 e5 9.0-0 b6 10.a3 e4 11.Nd2 Nf8 12.Re1 h5 (12...a6 13.f3+=) 13.f4 (13.f3 ef3 14.Bf3 Bg4+/-) 13...Bf5 14.a4 N8h7 15.d5 h4 16.h3 g5 (16...a5 17.b5+=) 17.fg5 Ng5 (17...Nd7 18.Bg4 Qg5 19.Bf5 Qf5 20.Rf1+=) 18.Nb3 (18.Rf1 Bd7+-) 18...Nd7 19.Nd4 Bg6 20.Nc6 Qf6 (20...Qc8 21.Rf1+/-) 21.Rf1+- Bf5? (21...Nh3 22.gh3 Qg5 23.Kh1 Qe3+/-) 22.Bg4 Bg4 23.Qg4 (23.hg4?! Qh6=) 23...Qg6 (23...Ne5 24.Ne5 (24.Rf6?! Ng4 25.Rf5 Nh3 26.gh3 Ne3+=) 24...Qe5 25.Rf5 (25.Qh4?! Qe7 26.Qg4 a5+-) 25...Nh3 26.gh3 Qg3 27.Qg3 hg3 28.Raf1+-) 24.Qd7 Nf3 25.Kh1 Nd2 26.Ne7 (26.Qc7 Nc4 27.Ne7 Re7 28.Qc4 Be5+-) 26...Re7 27.Qe7 Nc4 28.Ne4 (28.Qh4 Nb2 29.Ne4 f5+-) 28...Bb2 29.Nf6 (29.Rae1 f5 30.Qc7 fe4 31.Qc4 Be5+-) 29...Bf6? (better 29...Kg7 30.Ne8 Re8 31.Qe8 Ba1 32.Ra1 Qd3+-) 30.Rf6 (30.Qf6?! Ne3 31.Qf2 Nf1 32.Rf1 Qh5+=) 30...Qg7 31.Raf1 Re8 (31...Qf8 32.Rf7 Qe7 33.Re7 Rf8+-) 32.Qe8 (32.Qe8 Kh7 33.R1f4 Ne5 34.Rh4 Qh6 35.Rhh6 Kg7 36.Qh8) 1-0. opperwezen (2775) - Limitess (2220), Elite Bullet Arena, lichess.org, 2017.

8.Be2 e5 9.0-0 ed4 10.ed4 Ne4 (10...a5 11.b5=) 11.Bd3 (11.Ne4 Re4 12.Qc2 d5+=) 11...Nc3= 12.Bc3 Nf6 (12...d5 13.c5=) 13.h3 (13.Re1 Re1 14.Qe1 Bg4=) 13...Nh5 (13...d5 14.Re1=) 14.Qd2 (14.Bd2 c5=) 14...Bd7 (14...Qf6 15.Rfe1 Bh3 16.Be4=) 15.Kh2 (15.Rfe1!?+=) 15...Qf6= 16.g3?? (16.Rfe1 Nf4=) 16...Qe6 (better 16...Qf3 17.Qd1 Qf6-+) 17.Ng1 (17.Ng5 Qf6+=) 17...Qf6 18.Rae1 g5 (18...d5 19.c5=) 19.a4 (19.Re3 Qh6+=) 19...g4 (19...Ba4 20.Re8 Be8 21.f4+=) 20.hg4 Bg4 21.Re8 Re8 22.Re1 Re1 23.Qe1 Qh6 (23...Bf5 24.d5 Qc3 25.Qe8 Bf8 26.Bf5+=) 24.Kg2+= Bf6 (24...Kf8 25.Bd2 Qf6 26.Be3+=) 25.Bd2 Bg5 26.f4 Bf6 27.Nf3 (better 27.Qe8 Kg7 28.Be3+/-) 27...Nf4?? (better 27...Ng7=) 28.Bf4+- Qh3 29.Kf2 Bf3 30.Kf3 Qh5 (30...Bd4 31.Qe7 Qh1 32.Ke2 Qg2 33.Kd1 Qg1 34.Qe1 Qe1 35.Ke1+-) 31.Kg2 Bd4 32.Qe4 c5 (32...Be5 33.Be5 Qe5 34.Qb7 Qc3+-) 33.Bd6 (better 33.Qe8 Kg7 34.Bd6 Qg6 35.Bf8 Kh8 36.Bc5 Kg7 37.Qf8 Kf6 38.Qd8 Kg7 39.Bf8 Kh8 40.Bh6 Qg8 41.Qd4 f6 42.Qf6 Qg7 43.Qg7) 33...Qd1 (33...f5 34.Qb7 Qf7 35.Qc8 Kg7 36.Bc5 Bc5 37.Qc5+-) 34.Bf4 (34.Qh7) 34...Qc2 (34...f5 35.Qd5 Kg7 36.Qb7 Kg6 37.Qc6 Kf7 38.Qd7 Kg8 39.Qe6 Kh8 40.Qf5 Qg1 41.Kh3 Qh1 42.Kg4 Kg7 43.Qd7 Kg8 44.Qe8 Kg7 45.Qe7 Kg8+-) 35.Bc2 (35.Bc2 Be5 36.Bh6 f5 37.Qd5 Kh8 38.Qd8) 1-0. ClayPigeons (2105) - morphy_64 (2100), Rated Bullet game, lichess.org, 2019.

8.Be2 e5 9.0-0 e4 10.Nd2 Qe7 11.Qc2 Nf8 12.Rae1 (12.h3 Qe6+=) 12...h5 13.Nb3 h4 14.h3 N6h7 (14...Bf5 15.Qd2+=) 15.d5 (15.Nd5!? Qd8 16.Kh2+=) 15...Ng5= 16.Kh1 b6 17.Nd4 Bb7 18.Rc1 a6 19.Qb3 Nd7 20.Qc2 Bd4 (20...f5 21.Rce1=) 21.ed4+= e3 (21...a5 22.ba5 Rf8 23.a4+=) 22.f4 Ne4 23.Ne4 Qe4 24.Qe4 (24.Bd3!? Qe7 25.f5+=) 24...Re4= 25.Bd3 Ree8 26.Rce1 (26.f5 g5 27.Rc2 Nf6=) 26...Re7 (26...b5 27.f5+=) 27.Rf3 (27.f5 b5=) 27...Rae8 (27...b5!?=) 28.Bc1+= b5 29.cb5 Bd5 30.Rfe3 Re3 31.Re3 Re3 32.Be3 ab5 33.Bb5 c6 34.Ba4 Nb6= 35.Bb3 Bb3 36.ab3 Nd5 37.Bd2 Kg7 38.Kg1 Kf6 39.Kf2 Kf5 40.Kf3 f6 41.Kf2 Ke4–/+ 42.Ke2 Kd4 43.Kf3 Kd3 ½–½. Nagiev,Djamil – Mehraliev,Fuad, AZE–ch U14 Baku, 2001. (=1.Nf3 d6 2.c4 g6 3.Nc3 Bg7 4.d4 Nf6 5.b4 0-0 6.Bb2 Nbd7 7.e3)

7.Nbd2 b6

8.a4 c5 9.b5 a6 10.d5 ab5 11.ab5 Bb7 12.Ra8 Qa8 13.Bd3 Qa2 14.Qb3 Ra8 15.0-0 (15.Bb1!? Qb3 16.Nb3=) 15...Qb3+= 16.Nb3 Ng4 (16...Nd5!? 17.Bg7 Nb4 18.Bg6 Kg7–/+) 17.Bg7= Kg7 18.Ra1 Ra1 19.Na1 Nge5 20.Be2 Nf3 21.gf3 e5 22.e4 Bc8 23.Kg2 Nf6 24.Kg3 Nh5 25.Kg2 Nf4 26.Kf1 f5 27.Bd1 g5 28.Ke1 fe4 29.fe4 Bh3 30.f3 h5 31.Kf2 Kf6 32.Nb3 g4 33.Nc1 Kg5 34.Na2 h4 35.fg4+= Nd3 36.Ke3 Nb2 37.Be2 Bg4 38.Bf1 Bd1 39.Kd2= Bf3? 40.Nc3+/– Kf4 41.Kc2+- 1–0. futsalboy (1695) – bonkitonki (1680), kurnik, 2011.

8.Bd3 Bb7 9.0-0 c5 10.bc5 bc5 11.d5 e5 12.de6 fe6 13.Rb1 Nb6 14.Qc2 Rc8 15.Rfd1 d5 16.cd5 (16.e4 d4=) 16...Bd5 (16...c4 17.Nc4 ed5 18.Qb3 dc4 19.Bc4 Nfd5 20.Bg7 Kg7 21.Rd4 Rc4 22.Rc4 Nc4 23.Qc4–/+) 17.Ne4 (17.Ba6 Rc7+/–) 17...Qc7 (17...Ne4 18.Be4 Bb2 19.Bd5 ed5 20.Rb2 Qf6=) 18.Nfg5?? (18.Be5!? Qd8 19.Nf6 (worse is 19.Nc5 Bf3 20.gf3 Rc5 21.Qc5 Nfd7+=) 19...Bf6 20.Ba6 Be5 21.Bc8+/–) 18...Ba2 (18...Ng4!? 19.g3 Bh6+=) 19.Rbc1 Bd5 20.Nc3?? (20.Bf6!? Bf6 21.Ba6=) 20...c4 (better is 20...Ng4 21.g3 Rf2 22.Qf2 Nf2 23.Kf2 Rf8 24.Ke1 Qe7–+) 21.Be4 Ne4 22.Nce4 Bb2 23.Qb2 Qg7 24.Qg7 Kg7 25.Nd6 Rc7?? 26.Ne6?? Be6–+ 27.Ne4 Rcf7 28.f4 Bf5 29.Nd6 Bd3 30.Kf2? Rd7 31.Nb5? Nd5 32.Nd4 Nf4! 33.ef4 Rd4 34.g3 Re4 35.Kf3 Rfe8 36.Rd2 h5 37.Kg2 Re2 38.Re2 Re2 39.Kf3 a5 40.h4 a4 41.Ra1 Bc2 42.Ke2= Bb3 43.Kd2 Kf6 44.Kc3 Kf5–/+ 45.Kd4 Kg4 46.Ke3 Kg3 47.Rg1 Kh4?? 48.Rg6 a3 49.Ra6? a2–+ 50.f5 Kg5 51.Ra5 c3 52.Ke2 c2 53.Kd2 h4 54.f6 Kf6 55.Ra6 (55.Ra6 Ke5 56.Ra5 Kd4 57.Ra3–+). alfy – mbobo, kurnik, 2011. (=1.Nf3 d6 2.b4 g6 3.Bb2 Nf6 4.c4 Bg7 5.d4 0-0 6.Nbd2 Nbd7 7.e3)

8.Be2 c5 9.dc5 bc5 10.b5 a6 11.a4 ab5 12.cb5 Nb6 13.a5 Nbd5 14.b6 Bb7 15.0-0 Nb4 16.Qb3 Qc8 17.Rfc1 Qc6 18.Nc4 Nfd5 19.Bg7 Kg7 20.Bf1 Ba6 21.g3 Nb6 22.ab6 Qf3 23.Ra6 Ra6 24.Nd2 Qd5 25.Qc3 Kg8 26.Ba6 Na6 27.Nc4 Rb8 28.Qa5 Nb4 29.Qa7 Rb7 30.Qa8 Kg7 0–1. barborski (1655) – pacusss, kurnik, 2012.

7.Bd3 a5

8.a3 ab4 9.ab4 Ra1 10.Ba1 c5 11.Bc3 cb4 12.Bb4 Qb6 13.Bc3 Re8 14.0-0 e5 15.de5 (15.Be2 Qc6+=) 15...de5= 16.Nfd2 (16.e4 Nc5 17.Qe2 Nh5=+) 16...Nc5=+ Black plans e4 17.Bc2 Bg4 18.Qc1 e4 19.Qb2 (19.Bd4 Qd6=) 19...Qb2=+ 20.Bb2 Be2 21.Re1 Bd3 22.Rc1 Ra8 23.Bd4 Nfd7 24.Bd3 Nd3 25.Rc2 (25.Rc3 N7c5=+) 25...f5 26.Kf1 N7c5 27.Ke2 (27.f3 ef3 28.gf3 Re8 29.Bc5 Nc5=+) 27...b6 (27...Bd4 28.ed4 Ne6 29.Nb3 Nef4 30.Kf1 Ng2 31.Rd2-+) 28.Nc3? (better 28.f3!? Nf4 29.ef4 Bd4 30.fe4 fe4 31.Nc3=+) 28...Ra1-+ 29.Nd1?? (better 29.Ndb1-+) 29...Bd4 30.ed4 Ne6 (better 30...Nf4 31.Ke3 Ng2 32.Ke2 Nf4 33.Ke3-+) 31.Nb3 Rb1 32.Rc3 (32.d5 Nef4 (32...Rb3?! 33.de6 Nf4 34.Kd2-/+) 33.Kd2 Rb3-+) 32...Rb3! 33.Rb3 (33.d5 Rc3 34.Nc3 Nef4 35.Kf1 Ne5-+) 33...Nd4 34.Kd2 Nb3 35.Kc3 Nbc5 36.Kd4 Kf7 37.Kd5 Ke7 38.Kc6 (38.Kd4 Ne6 39.Kc3 Kd6-+) 38...Na4 (38...Nf2!? 39.Ne3-+) 39.Kb5 Ndc5 (better 39...Nab2 40.Nb2 Nb2-+) 40.Nb2 (40.Ne3-+) 40...Nb2 41.Kb6 Nba4 42.Kb5 Kd6 (42...Kd6 43.g3 Nc3 44.Kb4 Nd1-+) 0-1. dannysmet (2135) - DracomanFire (2125), Rated Blitz game, lichess.org, 2020.

8.ba5 Ra5 9.0-0 c6 (9...Re8 10.Qd2 c5 11.Rd1=) 10.Nc3 (10.Nbd2 b6+=) 10...e5= 11.Qc2 Re8 12.Nd2 ed4 13.ed4 Nh5 14.Nce4 Ndf6 15.f4 (15.Bc3!? Ra7 16.c5 dc5 17.dc5 (worse 17.Nc5 b6-/+) 17...Ne4 18.Ne4=) 15...Ne4=+ 16.Ne4 Bf5 17.a3 (17.Nd2 Re2 18.Qc3 Re3=+) 17...d5 (17...Qb6 18.Rad1 Bd4 19.Bd4 Qd4 20.Nf2 Bd3 21.Rd3-+) 18.Nc5 (18.Nd2 dc4 19.Nc4 Bd4 20.Bd4 Qd4 21.Qf2 Qf2 (21...Qd3 22.Na5 Re2 23.Qf3-/+) 22.Rf2 Ra4-+ (22...Bd3 23.Na5 Re7 24.Rb2+/-)) 18...Bd3 (18...Rc5 19.dc5 Bb2 20.Qb2 Bd3 21.Rfe1 Nf4 22.Qb7 dc4 23.Qc6-+) 19.Qd3 (19.Nd3!? dc4 20.Qc4-/+) 19...Rc5!-+ 20.dc5 Bb2 21.Rab1 Ba3?? (better 21...Qf6 22.cd5 Bd4 23.Kh1 Re3-+ (23...cd5?! 24.Rb7 Re3 25.Qd2 Ra3 26.g3-+)) 22.Qa3+/- dc4 23.Qc3 (23.f5 Qd3 24.Qd3 cd3 25.Rb7 gf5+/-) 23...Qd5 24.Rb7 Qc5 25.Kh1 Rd8 (25...Qd5 26.Rbb1+=) 26.Rb4 Attacking the isolated pawn on c4 (26.f5 g5+=) 26...Qf2 (better 26...Ng3! 27.hg3 Qh5 28.Kg1 Qc5 29.Kh2 Qh5 30.Kg1 Qc5 31.Kh2 Qh5 32.Kg1=) 27.Qc4+/- (27.Rf2?? Rd1 28.Qe1 Re1 29.Rf1 Rf1) 27...Qh4 28.Qc3 (28.Rb7 Qf6+/-) 28...c5 29.Rbb1 Rd4 (better 29...Nf6 30.Rbe1 Nd7+/-) 30.Qc5?? (better 30.f5+-) 30...Ng3= 31.Kg1 Nf1?? (better 31...Ne2 32.Kh1 Ng3 33.Kg1 Ne2 34.Kh1 Ng3=) 32.Qd4+- Qh2 33.Kf1 Qh1 34.Qg1 Qh4 (34...Qg1 35.Kg1 h5+-) 35.Rb8 Kg7 36.Qd4 Kh6 (36...f6 37.Rb7 Kh6 38.Qd6 Qh1 39.Kf2+-) 37.Rg8 (better 37.Rb3 Qh1 38.Kf2 Qh4 39.Kg1 f5+-) 37...Qh1 (37...f6 38.Rf8 Kg7 39.Qd6 Qh1 40.Kf2 Qh4 41.Kf3 Qh5 42.Kg3+-) 38.Kf2 Qh4 (38...Qb1 39.Qg7 Kh5 40.Qh7 Kg4 41.Qf7 Qc2 42.Ke3 Qc3 43.Ke4 Qc2 44.Ke5 Qc3 45.Ke6 Qc6 46.Ke7 Qc5 47.Kf6 Qf5 48.Kg7 Kf4 49.Qg6 Qg6 50.Kg6 Ke5+-) 39.Kf3 Qh5 (39...Kh5 40.Qd7 Kh6 41.Qf7 Qh5 42.Kg3 Qg5 43.fg5 Kg5 44.Qe7 Kf5 45.Rf8) 40.Ke3 (40.Kg3 f6 41.Qd7 Qh4 42.Kh4 g5 43.Kh3 g4 44.Qg4 f5 45.Qg5) 40...Qb5 (40...f6 41.Qa7 Qe5 42.fe5 Kh5 43.Qh7 Kg5 44.Qg6 Kh4 45.Rh8) 41.Qg7 Kh5 42.Qh7 Kg4 43.Qh3 1-0. Tertius (2220) - paoloone (2160), ChessWorld.net, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Bd3)

7.Bd3 b6

8.0-0 Bb7 9.Nbd2 Ne8 (9...e5 10.d5=) 10.Qc2 Rc8 (10...Nef6 11.Rfe1+=) 11.Qa4 a6 12.Qb3 c6 (12...Nef6 13.Rae1+=) 13.a4 Nc7 14.Rac1 (14.Ng5 h6 15.Ngf3 Nf6+=) 14...Rb8 15.Rfd1 (15.Ne4 Nf6+=) 15...e6 (15...c5 16.Be4+=) 16.Ne4+- White prepares c5 16...Qe7 17.c5 d5 (17...Ne8+-) 18.Nd6 (better 18.cb6 Nb6 19.Nc5+-) 18...Ne8?? (better 18...Ba8 19.Qa3 bc5 20.bc5 Nc5 21.Rc5 Qd6=) 19.Nb7+- Rb7 20.Ba6 (20.cb6 Rb6 21.Ba3 Nd6+-) 20...Rb8 (20...Ra7 21.Be2 bc5 22.dc5 Bb2 23.Qb2 Ra4 24.Nd4+-) 21.cb6 Nb6 (21...Rb6 22.Be2 Qb4 23.Qb4 Rb4+-) 22.Rc6 Nd6 (22...Qd7 23.Bb5 Qb7 24.Rc5+-) 23.b5 Nbc4 24.Bc3 Qd7 25.Bb4 Rfd8 26.Qc2 Ne4 (26...Nf5+-) 27.Rc4 dc4 28.Qe4 Qc7 (28...Qd5 29.Qc2+-) 29.Rc1 Bf8 (29...Rd5 30.a5 Qd7 31.Rc4 Rdb5 32.Bb5 Qb5 33.Qf4+-) 30.Bf8 Rf8 31.Ne5 c3 (31...Ra8 32.Nc4 Qe7 33.d5+-) 32.Nc6 Rb6 (32...Ra8 33.Rc3 Qd6 34.Qd3+-) 33.Rc3 Qd6 (33...Rc6 34.bc6 Qa5 35.Qd3+-) 34.a5 Ra6 (34...Rbb8 35.Nb8 Qb4 36.Rc1+-) 35.ba6 Rc8 36.Ne7! Qe7 1–0. DEFFM – GuestVRCD, freechess.org, 2019.

8.0-0 c5 9.a3 Bb7 10.d5 (10.Nc3 e5 11.d5 Qe7+=) 10...e6 11.e4 Re8 12.Re1 Qc7 (12...ed5 13.ed5 Re1 14.Qe1=+) 13.Nc3= a6 14.b5 (14.de6 fe6 15.Na4 Bc6=) 14...ed5 15.ed5 Re1 16.Qe1 Re8 17.Qd2 Ne5 (17...Ng4!?=+) 18.Ne5+= de5 19.a4 (19.Re1 a5+=) 19...a5 (19...e4 20.Be2=) 20.Re1+= Bc8 21.Ne4 Ne4 22.Be4 Qd6 23.g3 Rd8 24.f4 (24.Bd3!?+=) 24...ef4= 25.Bg7 Kg7 26.Qf4 Qf4 27.gf4 Re8 28.Kf2 f5 29.Bf3 Re1 30.Ke1 Kf6 31.Kf2 h6 32.Kg3 g5 33.Bh5 Bd7 34.h3 Ke7 ½–½. cetst11 (1710) – claukonen (1960), gameknot.com, 2016. (=1.e3 g6 2.d4 Bg7 3.Nf3 Nf6 4.c4 0-0 5.Bd3 d6 6.b4 Nbd7 7.Bb2 b6)

8.Nc3 Ng4 (8...c5 9.a3+=) 9.h3 (9.Nd2 f5+=) 9...Ngf6+= 10.0-0 c5 11.b5 a6 12.a4 ab5 13.ab5 Bb7 (13...Ra1 14.Ba1 cd4 15.Nd4=) 14.d5 Ne5 (14...Ra1 15.Qa1 Qc7 16.e4+=) 15.Ne5 de5 (15...Ra1 16.Ba1 de5 17.Qf3+=) 16.e4 (16.Ra8 Ba8 17.Qf3 Qd6+/–) 16...e6 (16...Ra1 17.Qa1 Qd6 18.Qd1+=) 17.de6 fe6 18.Qc2 Nh5 19.Be2 Nf4 20.Bg4 (20.Ra8 Ba8 21.Kh2 Qg5+=) 20...Qf6 21.Rfd1 Qg5 22.Bc1?? h5 23.Be6! Ne6?? 24.Bg5+- Ng5 25.Ra8 (25.Ra8 Ra8 26.Rd6+-) 1–0. pumpkin (2330) – krispos (1670), net–chess.com, 2010.

7.Bd3 e6

8.0-0 c6 9.Nc3 Qe7 10.Qc2 Re8 11.Rfe1 d5 12.Kf1 b6 13.Rac1 Bb7 14.cd5 cd5 15.e4 Rac8 16.Qb1 de4 17.Ne4 Ne4 18.Be4 Be4 19.Re4 Nf6 20.Ree1 Qb4 21.Ne5 Nd5 22.a3 Qb5 23.Kg1 Nf4 24.g3 Ne2 25.Kg2 Nc1 26.Rc1 Rc1 27.Qc1 Qd5 28.Kg1 Be5 29.de5 Rd8 30.Qc2 Qd1 31.Qd1 Rd1 32.Kg2 Kf8 0–1. alfy – korwin, kurnik, 2012. (=1.Nf3 d6 2.b4 Nf6 3.Bb2 g6 4.c4 Bg7 5.d4 0-0 6.e3 Nbd7 7.Bd3)

8.Nc3 b6 9.0-0 Bb7 10.Ng5 h6 11.Nge4 c5? 12.bc5 dc5= 13.dc5?? Nc5?? 14.Nc5= bc5 15.Na4 Qc7 16.Bc3 Qc6 17.f3= h5 18.Bf6 Bf6= 19.Be4 Qc7 20.Rb1 Be4=+ 21.fe4 Rab8?? 22.Rb8 Rb8 23.Rf6 Qe5 24.Rf4 g5 25.Qh5 Rb1 26.Kf2 Qg7 27.Rg4 f6 28.e5 Qh7 29.Qe8 Kg7 (30.Qe7 Kh6 31.Qf6 Qg6+-). kamera – grc, GameColony.com, 2002.

7.Be2 e5

(--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7).

8.Nc3 Re8 9.0-0 e4 10.Nd2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.0-0 e4 9.Nfd2 Re8 10.Nc3).

7.Be2 Ne8

8.0-0 Nb6 9.a4 Bg4 10.Nbd2 Nd7 11.h3 Bf3 12.Bf3 (worse 12.gf3 c5=+) 12...e5 13.b5 (13.Bb7 Rb8 14.Qf3 c5+/-) 13...Rb8 14.a5 b6 (14...a6 15.Qc2+/-) 15.Nb3 f5 16.Bc6 Nef6 Black prepares the advance e4 17.Qc2 White prepares c5 17...e4 18.Rfd1 Nh5 19.c5 (19.ab6!? ab6 20.Ra7 Nhf6+-) 19...Kh8 20.cb6 ab6?? (20...cb6 21.ab6 ab6 22.Qc4+/-) 21.ab6 (better 21.a6 Qe7 22.a7+-) 21...Nb6 22.Ra7 f4 (22...Nc8 23.Ra4+/-) 23.Qe4 fe3 24.Qe3 Qf6 (24...Nf4 25.Na5+/-) 25.Nd2 (25.Rc7!? Nc4 26.Qe2 Nb2 27.Qb2 Nf4+-) 25...Nf4 26.Nf3 (26.Ne4 Qh4 27.Bc1+- (27.Rc7? Nbd5 28.Qd2 Nc7-+)) 26...Nc4+= 27.Qb3 Nb2 (better 27...d5!? 28.Ba3 Qc6 29.bc6 Rb3 30.Bf8 Bf8 31.Rc7 Nh3 32.Kf1 Kg8+/-) 28.Qb2+- Nh3? (better 28...d5 29.Qa3 Nh3 30.gh3 Qf3 31.Qf3 Rf3 32.Rc7 Rf4+/-) 29.gh3 Qf5 30.Kg2 d5 (30...Rf7 31.Qe2+-) 31.Qe2 Rbd8 (31...Qh5 32.Rc7 Rf5 33.Rd3 Rg5 34.Kh2+-) 32.Rc7 Rd6 33.Rd2 (33.Rd3 Rdf6+-) 33...Re6 (33...Rdf6 34.Rd3 R6f7 35.Rf7 Qf7 36.Qa2+-) 34.Qd1 (34.Qd3!? Qh5 35.Rd7 Rf5+-) 34...Ref6 35.Ne5 Qg5 36.Qg4 (better 36.Kh1 Qh6 37.f3+- (37.Bd5 Rf2 38.Rf2 Qh3 39.Kg1 Qg3 40.Rg2 Qe3 41.Kh2 Qh6 42.Kg3 Qf4 43.Kh3 Qh6 44.Kg3 Qf4 45.Kh3 Qh6 46.Kg3=)) 36…Qd2-+ (36...Qd2 37.Nf7 R6f7 38.Rf7 Rf7-+) 0-1. jhonores (2230) - galan (2205), Rated Blitz game, lichess.org, 2020.

8.0-0 c5 9.a3 cd4 10.ed4 f5 (10...Nc7 11.Re1+=) 11.Qb3 Kh8 12.Re1 Nc7 13.Bf1 Re8 14.Ng5 Rf8 15.d5 Ne5 (15...e5 16.de6 Qg5 17.Bg7 Kg7 18.ed7 Bd7 19.Qd3+=) 16.f4 Ng4 17.h3 Nf6 18.Nd2 h6 19.Ngf3 Re8 20.Re3 e6 21.Rae1 ed5 22.Re8 Nce8 (22...Nfe8 23.Bg7 Kg7 24.Qe3=) 23.cd5 b6 24.Nd4 Nd5?? (better 24...Nc7 25.Bc4 Bb7+=) 25.Qd5+- Rb8 (25...Bd7 26.Qf7 Nf6 27.Qg6 Qf8+-) 26.Nc6 (26.Nc6 Bb7 27.Qf7 Bb2 28.Nd8 Bd4 29.Kh2 Rd8 30.Re8 Re8 31.Qe8 Kh7 32.Qf7 Bg7 33.Qb7+-) 1-0. jhonores (2210) - globalchess111 (2210), Rated Blitz game, lichess.org, 2020.

7.a4 e5

8.Nbd2 Re8 9.Qc2 e4 10.Ng5 Qe7 11.h4 Nf8 12.d5 (12.Be2 h6 13.Nh3 c6=) 12...Bf5 13.Be2 N8d7 14.Nh3 a5 15.b5 Nc5 16.Nf4 h5 17.Bd4 Nfd7 18.Bg7 Kg7 19.g3 Ne5 20.0-0 Rh8 21.Kg2 Qf6 22.Ra3 Rh7 23.Nh3 b6 (23...Nf3!?=) 24.Ng5+= Rh6 25.f4?? (better 25.Nge4 Qe7 26.Ra2+=) 25...ef3!-+ 26.Ndf3 (26.Ndf3 Bc2 Discovered attack; 26.Bf3 Bc2 Discovered attack; 26.Ngf3 Bc2 Discovered attack) 26…Bc2 (26...Bc2 27.Nd4 Bf5-+) 0-1. zembelek1 (2210) - SchachSchneider (2550), Lichess Liga 4A Team Battle, 2022.

8.d5 a6 9.Be2 b5 10.0-0 Bb7 11.Nc3 bc4 12.Bc4 Nb6 13.Bb3 Qe7 14.b5 ab5 15.ab5 e4 16.Nd4 Nfd5 17.Nd5 Nd5 18.Nc6 Bc6 19.Bg7 Bb5 20.Bf8 Qf8 21.Ra8 Qa8 22.Qd5 Qd5 23.Bd5 Bf1 24.Kf1 Kf8 25.Ke2 Ke7 26.Be4 f5 27.Bc6 Ke6 28.f4 d5 29.Kd3 Kd6 30.Ba4 c5 31.h3 h6 32.g4 fg4 33.hg4 Ke6 34.Be8 Kf6 35.e4 de4 36.Ke4 c4 37.Kd4 h5 38.gh5 gh5 39.Bh5 Kf5 40.Ke3 c3 41.Bd1 Kf6 42.Bc2 Ke6 43.Kd4 Kf6 44.Kc3 Ke6 45.Kd4 Kd6 46.f5 Ke7 47.Ke5 Kf7 48.Bb3 Kf8 49.Kf6 Ke8 50.Kg7 Ke7 51.f6 1–0. racvac001 (1675) – fischerbest (1670), kurnik, 2012. (=1.Nf3 d6 2.d4 g6 3.c4 Bg7 4.b4 Nf6 5.Bb2 0-0 6.e3 Nbd7)

8.Be2 ed4 9.ed4 Re8 10.0-0 Nf8 (10...c5 11.b5+=) 11.h3 (11.Nc3!?=) 11...Ne6+= 12.Re1 Nf4 13.Bf1 Re1 14.Qe1 Bf5 15.Qd1 (15.g4 Bd3 16.Qe3 Bf1 17.Kf1 Nh3=) 15...Qe7 (15...c5 16.bc5 dc5 17.Qb3+=) 16.Nc3+= Re8 17.Bc1 Ne4 18.Ra3 (18.Nb5!? g5 19.Bf4 gf4 20.Qc1=) 18...Nc3–/+ 19.Rc3 Ne2 20.Be2 Qe2 21.Qb3 (21.Qe2 Re2 22.Re3 Re3 23.Be3 b6–/+) 21...Bd4! 22.Nd4 Qe1 23.Kh2 Qe5 24.Rg3 Qd4 25.Bb2 (25.Be3 Qa1–/+) 25...Qd2 (25...Qf2 26.Qc3 Re5 27.c5–/+) 26.Bf6 (better is 26.Qc3!? Qc3 27.Bc3–/+) 26...Qf2–+ 27.Qc3 Re1 (better is 27...Re4–+) 28.Rf3?? (better is 28.Bd4 Qf1 29.Qe1 Qe1 30.Re3 Qe3 31.Be3–/+) 28...Qg1–+ 29.Kg3 Re2 30.Kh4 Qg2 31.Rf4 h6 32.Bh8 (32.Qg3 Qe4! 33.Re4 Re4 34.Qg4 Bg4 35.hg4–+) 32…Qg5# 0–1. Strebel,Stefan – Schumacher,Gottfried, Wiesbaden op, 1990.

8.Be2 e4 9.Nfd2 Re8 10.Nc3 Nf8 (10...c5 11.Nb5 Bf8 12.bc5 dc5 13.0-0=) 11.0-0+= h5 (11...c5 12.dc5 dc5 13.bc5+=) 12.b5 N8h7 13.Ba3 Bf5 14.Qb3 Ng4 15.Bg4 (15.c5 dc5 16.Bc5 Qh4 17.Bg4 hg4+=) 15...hg4+= 16.g3 (better is 16.Bb2!?+=) 16...Ng5 17.Kg2 Nf3 18.Qc2 (18.Nf3 gf3 19.Kg1 Qg5+=) 18...Nd4 19.ed4 e3 (worse is 19...Bd4 20.Qc1+=) 20.Nde4 (20.Qb2 ed2 21.Qd2 Qf6–/+) 20...Bd4 21.fe3 Bc3 22.Qc3 Be4 23.Kg1 Qg5 24.Bb2 Re5 25.Qd2 Rae8 (25...Re6!?–/+) 26.Rf4 Bf3 27.Be5 de5 28.Rf3 gf3 29.Qd7?? Rd8 30.Qc7 Qe3 31.Kh1 Rd2 32.Qd8 Rd8 (32...Rd8 33.Rg1 f2 34.Kg2 fg1Q 35.Kh3 Qh6 36.Kg4 Qh5#) 0–1. carocan (1825) – dors (1835), kurnik, 2011.

8.de5 Ng4

9.Be2 Nde5 10.Ne5 Ne5 11.Qc2 Qh4 12.0-0 Be6 13.Nd2 Rae8 14.Nf3 Nf3 15.Bf3 Bb2 16.Qb2 Bc4 17.Rfc1 d5 18.Rd1 c6 19.Rd4 Qf6 20.Qc1 Qe5 21.b5 h5 22.bc6 bc6 23.a5 a6 24.Rb1 Bb5 25.g3 Qc7 26.Bg2 Qa5 27.Qc5 Qd8 28.Bf1 Qe7 29.Qb6 Qd6 30.Bb5 ab5 31.Rb5 Rb8 32.Rbd5 Qd5 33.Qb8 Qd4 34.Qf8 Kf8 35.ed4 Ke7 36.Kf1 Kd6 37.Ke2 c5 38.dc5 Kc5 39.Ke3 Kd5 40.h4 Ke5 41.f4 Kf5 42.Kd4 Kg4 43.Ke5 Kg3 44.f5 gf5 45.Kf5 Kh4 46.Kf6 Kg4 0–1. winelight (1705) – batonivre (1760), kurnik, 2012. (=1.d4 Nf6 2.e3 g6 3.Nf3 Bg7 4.c4 0-0 5.b4 d6 6.Bb2 Nbd7)

9.h3 Nge5 10.Ne5 Ne5 11.Be5 Be5 12.Ra2 Re8 13.Be2 Qg5 14.Bf3 a5 15.b5 Be6 16.Qe2 Bd4 17.Bb7 Be3 18.Ba8 Bc4 19.Bc6 1–0. raifllashtica (1615) – simplechezzz, kurnik, 2012. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d6 6.Nf3 Nbd7)

7.a4 Re8

8.Nc3 e5 9.d5 e4 (9...a5 10.b5=+) 10.Nd4= Nf8 (10...a5 11.b5=) 11.Be2 h5 (11...a5 12.b5+=) 12.h3 (12.a5 Qd7+/-) 12...Bd7 13.b5 a6 14.0-0 ab5 15.ab5 Ra1 16.Ba1 Qc8 17.f4 Bh3 18.gh3 Qh3 19.Rf2 (19.Kf2 Ng4 20.Bg4 Qh2 21.Ke1 Qg3 22.Kd2 Bd4 23.ed4 e3 24.Kc2 Qg4 25.Qg4 hg4 26.Kd3+-) 19...Qe3=+ 20.Nc2 Qg3 21.Kf1 e3 22.Rf3 Qh2 23.Ne3 (23.Re3 Re3 24.Ne3 Qf4 25.Kg2 Qe3 26.Qd3 Qg5 27.Kf1 Qc1 28.Qd1 Qf4 29.Kg2-+) 23...Re3 (better 23...Ng4 24.Ng4 hg4-+) 24.Re3+- Qf4 25.Rf3 Qh2 26.Ke1 Ng4 27.Kd2 (27.b6 Qh4 28.Kd2 Qg5 29.Kc2 Ne3 30.Re3 Qe3 31.bc7 Qe8+-) 27...Bh6+= 28.Kc2 Ne3 29.Re3 Be3 30.Ne4 (30.Qd3 Bf4+=) 30...f5 31.Nf6 (31.Nd2 Qf4+=) 31...Kf7= 32.Kd3 (32.Qd3 Qg1 33.Bb2 h4=) 32...Qg3 33.Nh5 gh5 34.Bh5 Kg8 (34...Ng6 35.Qf3 Qf3 36.Bf3-/+) 35.Qf3 Qf3 36.Bf3 f4 (36...Bc5 37.Bh5=+) 37.Ke4 (37.Bg4 Kf7=+) 37...Nd7 38.Bg4 Nc5 39.Kf3 Nb3 40.Be6 (40.Bc3 Kf7=+) 40...Kf8 41.Bc3 b6 (better 41...Bd4 42.Be1 Be5=+) 42.Be1? (42.Bf5 Ke7=) 42...Kg7 (42...Nd4 43.Ke4 Ne6 44.de6-+) 43.Bf2? (43.Bc3!? Bd4 44.Be1=+) 43...Nd2 (43...Nd4 44.Kg2 Bf2 45.Kf2 Ne6 46.de6-+) 44.Ke2-/+ Nc4 45.Be3 (better 45.Bh4!?-/+) 45…fe3-+ (45...Ne3?! 46.Kf3-+) 0-1. twohorse - nilocairo (1915), Rated Blitz tournament, lichess.org, 2014. (=1.d4 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Nf3 Nbd7)

8.Be2 c6 9.Nbd2 Qc7 10.0-0 e5 11.de5 Ne5 12.Ne5 de5 13.Qb3 Be6 14.Rac1 Red8 15.Qc2 Bf5 16.Qc3 Rd7 17.Rfd1 Rad8 18.Nf3 e4 19.Nd4 Bg4 20.Bg4 Ng4 21.g3 Qe5 22.Kg2 Qf6 23.Rf1 Qg5 24.h3 Ne5 25.a5 Nd3 26.Rc2 Nb2 27.Qb2 f5 28.Rd2 f4 29.Ne6 f3 30.Kg1 Bb2 31.Rd7 Rd7 32.Ng5 Rd2 33.Ne4 Rc2 34.c5 Rc4 35.Ng5 Rb4 36.Nf3 Rb5 37.Ng5 Rc5 38.Ne6 Ra5 39.Rb1 Rb5 40.Kg2 a5 41.Kf3 a4 42.Ke4 a3 43.Kd3 a2 44.Rd1 a1Q 45.Ra1 Ba1 46.Kc4 Rd5 47.Nc7 Rd2 48.f4 Rf2 49.Kd3 Rf3 50.g4 Rh3 51.Ne8 h6 52.Nd6 Rh4 53.Nb7 Rg4 54.Nd8 h5 55.Nc6 h4 56.Ne7 1–0. raifllashtica – motacta30 (1680), kurnik, 2012. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.Nf3 d6 5.b4 0-0 6.Bb2 Nbd7)

8.Be2 e5 9.de5 (9.Nc3 a5 10.b5 ed4 11.Nd4 Nc5=) 9...de5 10.0-0 Qe7 11.Qb3 (11.b5 Ne4+=) 11...a5 (11...e4 12.Nd4+=) 12.b5 Nc5 13.Qa3 Bg4 14.h3 Bf3 15.Bf3 e4 (15...Rad8 16.Nc3+=) 16.Be2 Nfd7 (16...Rad8 17.Bd4 Ne6 18.Bc3=) 17.Nc3 (17.Bg7 Kg7 18.Nc3 Rad8+=) 17...c6 18.Rad1 Ne5 19.Qa2 (19.Ba1 f5–/+) 19...Qg5 (19...Ned3 20.Ba1–/+) 20.Kh2 (better is 20.Qa3+=) 20...Ned3?? (better is 20...Qf5 21.Kg1 Ned3–/+) 21.Ne4+= Re4 22.Bd3 Nd3 (22...Bb2 23.Be4 Be5 24.f4 Ne4 25.Qc2+/–) 23.Bg7+/– Kg7 24.Rd3 Qe5 25.Kg1 Qe6 26.Qb2 Kg8 27.Rfd1 Qc4 28.Rd8 Re8 29.Ra8 Ra8= 30.Rd4 Qe6 31.bc6 Qc6 32.Qb3 Rc8 33.Rd5 Qc1 34.Kh2+= Qc7 35.Kg1 Re8 36.Qb5 Qc1 37.Kh2 Qc7 38.Kg1 Re4 39.Qa5+/– Qc1 40.Kh2 Qc2 41.Qa8 Kg7= 42.Qb7 Qf2 43.Rd3 Ra4 44.Qb5 Re4 45.Qc6 Re6 46.Qc3 Kh6 47.Qd4 g5 48.Qc5 Kg6 49.Qd4 h5 50.Qh8 h4 51.Qg8 Kh5 52.Qh7 Rh6 53.Qe4 Qg3 54.Kg1 Qe1 55.Kh2 Qg3 56.Kg1 Rh8 57.Qf5 Qe1= ½–½. Gutsche,Armin – Rutkowski,Ingo (2205), Gross Gerau op 3rd, 2000.

8.b5 e5

9.a5 ed4 10.Nd4 Nc5 11.Be2 h5 12.h4 (12.0-0!?+=) 12...Bg4 13.Nc3 Qd7 (13...Be2 14.Nce2 Ng4 15.Nf4=+) 14.Kd2 (14.0-0!?=) 14...Nfe4 15.Ne4 Ne4 (worse 15...Re4 16.f3 Qe7 17.fe4 (17.fg4 Re3 18.Rh3 Re8-/+) 17...Ne4 18.Kc2+/-) 16.Ke1 c5 17.bc6 bc6 18.Bg4 hg4 19.Qa4? (19.Qc1 g3 20.fg3 Qb7-+ (20...Ng3?! 21.Rh3 Qg4 22.Kf2 Ne4 23.Kg1-/+)) 19...Nc5?? (better 19...Rab8 20.Qc2 Qb7-+) 20.Qc2 g3! 21.h5 (21.fg3 Re3 Deflection) 21...Rab8 22.Bc3 (22.Kf1 Rb2! 23.Qb2-+) 22...gf2 23.Kf1 Re3 24.h6 Be5 25.h7 Kh8 26.Rb1 Re8 27.Ne2?? (27.Ba1 Nd3 28.Bc3-+) 27...Re2! 28.Ke2 (28.Qe2 Bc3 Deflection (28...Bc3 Remove defender; 28...Bc3 Overloading); 28.Ke2 Qg4 Double attack (28...Bc3 Remove defender)) 28...Bc3 29.Kf2 (29.Kf3 Ne4 30.g3-+) 29...Bd4 30.Kf3 Re3 31.Kf4 Nd3 (31...g5 32.Kg5 Rg3 33.Kh6 Bg7 34.Kh5 Qg4) 32.Kg5 (32.Qd3 g5! 33.Kg5 Qe7 34.Kg4 Qe6 35.Qf5 Re4 36.Kg3 Be5 37.Qf4 Bf4 38.Kf2 Bg3 39.Kg3 Qe5 40.Kf2 Rf4 41.Kg1 Qe3 42.Kh2 Rh4) 32...Qf5 33.Kh6 (33.Kh4 Qh5) 33…Bg7 (33...Qf4) 0-1. is_er_nog_hoop (2520) - FirstKnight (2545), Rated blitz game, lichess.org, 2020.

9.Be2 e4 10.Nfd2 Nf8 11.g4 (11.0-0 a6+=) 11...h6= 12.Nc3 N8h7 13.h4 Qe7 (13...c5!?=) 14.Rg1+= g5 15.hg5 Ng5 16.Qc2 Can e4 get defended? 16...c6 17.Ba3 Qd8 18.Bb4 d5 19.Ba3 Be6 20.c5 (20.bc6 bc6 21.Bc5 a6+=) 20...Qd7 21.Qd1 Rac8 22.Rb1 Rb8 23.Kf1 Rec8 24.Bb4 Kh7 (24...Nh3 25.Rg3 Ng5 26.Ke1+=) 25.Ba3 (25.Ke1 Kg8=) 25...b6 26.bc6 Qc6 27.Bb5 (27.Nb5!? Qd7 28.Nd6+=) 27...Qc7 28.c6 (28.Ba6 Rg8 29.f4 Nh3=+) 28...a6 (better 28...Qh2!? 29.Rg2 Qh3-/+) 29.Ba6= Qc6 (29...Qh2!? 30.Rg2 Qh1 31.Rg1 Qh3 32.Ke1 Rc6=) 30.Bc8+= Qc3 (better 30...Rc8!? 31.Rc1 Qd7+=) 31.Be6+- Qa3 (31...fe6 32.Bb4 Qc7 33.Ke1+-) 32.Bf5 Kg8 33.Qb3 Qd6 34.a5! b5 (34...ba5 35.Qb8 Pinning (35.Qb8 Deflection)) 35.a6! Qa6 36.Qb4 (36.Rh1!?+/-) 36...Bf8+= 37.Qb2 Bd6 (37...b4 38.Kg2+=) 38.Kg2 (38.Ra1 Qc6+/-) 38...Qb6 (38...b4 39.Rh1+=) 39.Nb3 (39.Rh1 Kg7+/-) 39...Qd8 40.Nc5 (40.Rh1 Kg7+=) 40...Qe7 (40...Nf3 41.Rh1 Ng4 42.Bg4=) 41.Rh1+= Kg7 42.Ra1 Rh8? (42...Nf3 43.Ra6+=) 43.Ra6 (43.Qb5!? Rb8 44.Qc6 Ne6 45.Be6 fe6+-) 43...h5 44.Qb5 hg4 (44...h4 45.Rha1+-) 45.Rh8 Kh8 46.Qb7 (better 46.Qc6!? Bc5 47.Qc5 Qc5 48.dc5 Kg7+-) 46...Kg7 47.Qe7 Be7 48.Nd7 Nd7 49.Bd7 g3 (49...Nf3 50.Ra5 Nh4 51.Kg3+-) 50.fg3 (50.Kg3 Nh7+-) 50...Nf3 (50...Nh7 51.Ra7 Nf6 52.g4+-) 51.Bg4 (better 51.Kf2!? Bb4+-) 51...Nd2 52.Kh3?? (better 52.Kf2 Nb1 53.Rc6+-) 52...Nc4= 53.Rc6 Ne3 54.Be2 (54.Rc7 f5 55.Re7 Kf6=) 54...f5 (54...Bf6!? 55.Bh5 Bd4-/+) 55.Rc7= Kf6 56.Rc6? (56.Rc3!? f4 57.gf4+=) 56...Kg5-/+ 57.Rc7? (better 57.Ra6!?-/+) 57...Bf6-+ 58.Rc6 (better 58.Ba6-+) 58...f4?? (better 58...Bd4 59.Kh2 Be5-+) 59.gf4= Kf5 60.Bg4?? (better 60.Kg3 Bd4 61.Ba6=) 60...Ng4-+ 61.Rd6 (61.Rc2-+) 61...Nf2 (61...e3 62.Rf6 Kf6 63.Kg3 e2 64.Kg2 e1Q 65.Kh3 Kf5 66.Kg2 Qf2 67.Kh3 Qh2) 62.Kg2 Ng4 63.Rd5?? (63.Kh3 e3 64.Rd5 Kf4 65.Rc5-+) 63...Kf4-+ 64.Rf5 (64.Rh5-+) 64...Kf5 65.d5 Kg5 0-1. vroeli - jimakos (2720), Rated Bullet game, lichess.org, 2021. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.e3 g6 3.d4 Bg7 4.c4 0-0 5.b4 d6 6.Bb2 Nbd7)

7.Qb3 a5

8.a3 Re8 9.Be2=.

8.b5 a4 9.Qc2 c5 10.bc6 bc6 11.a3 Rb8 12.Nc3 Qb6 (better 12...Nb6!?=) 13.Na4+/- Qb3 14.Qb3 Rb3 15.Be2 Ne4 (15...Ba6 16.Nd2 Rb7 17.Bf3+/-) 16.Bd1 (16.Nd2 Nd2 17.Kd2 Ba6+-) 16...Rb8+/- 17.Rb1 (17.Nd2 Nef6+/-) 17...Ba6 (17...Ndf6 18.Be2+=) 18.Bc2 Ndf6 (18...Nef6 19.Nd2 Rfe8+/-) 19.Bd3 (19.g4 h6 20.h4 Bc4+=) 19...d5 (19...Rb3 20.Be2+=) 20.Nc5 (better 20.Ne5 dc4 21.Bc4+/- (21.Nc4?! Bb5+=)) 20...Nc5= 21.dc5 dc4 22.Bc2 Nd5 (22...Nd7!? 23.Bd4 Rb1 24.Bb1 Bb5=+) 23.Bg7+= Kg7 24.Nd4 Nc3 (24...Rb1 25.Bb1 e5 26.Nc6=) 25.Rb4 (25.Rb8 Rb8 26.Kd2 Nb5+=) 25...Na2 (25...Rb4 26.ab4 Bb5 27.Kd2=) 26.Nc6 (better 26.Ra4!? e5 27.Nc6+=) 26...Nb4= 27.ab4 (worse 27.Nb4 Bb5 28.Kd2 Rbc8-/+) 27...Rbc8 (27...c3 28.Be4 Ra8=+) 28.Ne7+= Rb8 29.Nc6 Rbc8 30.Ne7 Rce8 (30...Rb8 31.Nd5 Rfd8+=) 31.Nd5+/- Rd8 32.Be4 (32.e4 Bb7 33.Nc3 Ra8+=) 32...c3? (better 32...Bb7!? 33.Nc3 Be4 34.Ne4 Rb8+=) 33.Nc3+/- Rb8 34.Nd5 Bc4? (better 34...Bb7 35.Ke2 f5+/-) 35.Nb6+- Be6 (35...Bb5 36.Bf3+-) 36.f3 (36.b5 Kf6+-) 36...Rfd8 37.Kf2 (better 37.Ke2+-) 37...Rd2 38.Kg3 Rb2 (38...h5!? 39.Kf4 Rb2+/-) 39.Rb1+- Rb4?? (better 39...Re2+-) 40.Rb4 1-0. ClayPigeons (2195) - chessroom2020 (2285), Rated Bullet game, lichess.org, 2021.

8.b5 c6 9.a4 (9.Be2 a4 10.Qa3 Qc7=) 9...cb5 10.ab5 b6 (10...Ne4 11.Qc2 Ndf6 12.Bd3+=) 11.Nc3 Bb7 12.Be2 e5 13.0-0 ed4 14.ed4 Re8 15.Rfe1 Qc7 16.Rac1 Rac8 17.Na4 h5 (17...Bh6 18.Ra1 Re2 19.Re2 Qc4 20.Qc4 Rc4 21.Nc3=+) 18.Bc3 (18.d5 Re7+=) 18...Qd8 (18...Bf3!? 19.gf3 h4=) 19.Bd2 (19.d5+=) 19...d5 (19...Ne4 20.Be3=) 20.Nb2 (20.c5 Ne4 21.c6 Nd2 22.Nd2 Nb8+-) 20...dc4 (20...Ne4!? 21.Be3 dc4 22.Nc4 Bd5=) 21.Bc4+/- (21.Nc4?! Ne4 22.Be3 Bd5=; 21.Rc4?! Bd5 22.Rc8 Bb3 23.Rd8 Rd8=+) 21...Bf3 (better 21...Re1 22.Re1 Bf3 23.Bf7 Kf8+/-) 22.Bf7+- (22.Qf3?! Re1 23.Re1 Nc5+/-; 22.gf3?! Re1 23.Re1 Qf8+=) 22...Kh7 23.Be8 (23.gf3?! Rc1 24.Rc1 Rf8+=; 23.Qf3 Rc1 24.Rc1 Rf8+=) 23...Bd5 24.Bg6 (better 24.Rc8 Qc8 25.Qc3 Qc3 26.Bc3+-) 24...Kg6+/- 25.Qd3 Kf7 26.Rc8 Qc8 27.Bg5 Qb7 (27...Kg8 28.Re7+=) 28.f3 (28.Nc4 Kf8 29.Nd6+-) 28...a4? (28...Qc7 29.Qe3+=) 29.Nc4 (better 29.Na4 Qc7 30.Nc3+-) 29...Be6?? (29...Kg8 30.Ra1+/-) 30.Ne5 (better 30.Nd6 Kg8 31.Nb7+-) 30...Ne5+= 31.Re5 (31.de5 Qd5 32.Qc2 Nd7=) 31...a3 (better 31...Nd7!? 32.Re6 Ke6=) 32.Qa3+/- Qd7 33.Qe3 (better 33.Qd3!?+/-) 33...Nd5= 34.Qe4 Nc3 The isolani on b5 becomes a target 35.Re6?? (better 35.Qf4 Kg6 36.Bh4 Be5 37.Qg5 Kf7 38.Qh5 Kf8 39.Qe5 Nb5 40.Bf6+=) 35...Qe6 (better 35...Bd4 36.Be3 Ne4 37.Re4 Be3 38.Re3 Qb5-+) 36.Qd3?? (better 36.Qh4 Qg6 37.Qf4 Ke6 38.Qd2 Bd4 39.Be3 Qb1 40.Kf2 Nd1 41.Ke2 Ne3 42.Qd4 Qe1 43.Kd3-+) 36...Qe1 37.Qf1 Ne2 38.Kh1 Qf1 0-1. ClayPigeons (2155) - peti1234 (2150), Rated Bullet game, lichess.org, 2021.

8.a3 ab4 9.ab4 Ra1

10.Ba1 b6 11.Nc3 Bb7 12.Be2 c5 13.0-0 Ne4 (13...cd4 14.ed4 Nh5 15.d5=) 14.Ne4 Be4 15.dc5 bc5 16.Bg7 Kg7 17.Nd2 Bf5 18.b5 Nb6 19.f3 Be6 20.e4 Qc7 21.Ra1 Ra8 22.Ra8 Na8 23.Qa3 Nb6 24.Qa6 Nd7 25.Kf2 Qb6 (25...Nb6 26.f4+=) 26.Qa1 (26.Qb6 Nb6 27.g4 g5+=) 26...f6 27.g3 Ne5 28.Qc3 Nd7 29.Kg2 Kf7 30.h3 f5 (30...g5 31.f4 gf4 32.gf4+=) 31.f4+/- Nf6 32.e5 Ne4 33.Ne4 fe4 34.ed6 ed6 (better 34...Qd6!? 35.Qe5 Qd4+/-) 35.Qh8+- d5 (better 35...h5 36.Qh7 Kf6+-) 36.Qh7 Kf6 37.Qh8 Ke7 (37...Kf7 38.g4 Qa5 39.f5 gf5 40.Qh5 Ke7 41.gf5+-) 38.Qg7 Kd6 (38...Bf7 39.cd5 Qd6+-) 39.Qe5 Kd7 40.cd5 Bf7 (40...Bf5 41.g4 c4 42.gf5+-) 41.Qe4 (41.Bg4 Qe6 42.de6 Be6 43.Qe6 Kc7 44.Qc6 Kb8 45.b6 c4 46.Qc8) 41...Qd6 (41...Qf6 42.Bc4 Qc3 43.f5+-) 42.Bg4 (42.Bc4!? Kc8+-) 42...Kc7 43.Be6 Be8. ClayPigeons (2210) - six4warrior (2220), Rated Bullet game, lichess.org, 2019.

10.Ba1 d5 11.Nbd2 dc4 12.Nc4=.

10.Ba1 e5 11.Be2 Re8 12.0-0 e4 13.Nfd2 Qe7 14.Nc3 Nf8 15.c5 Bf5 16.Nd5 Nd5 17.Qd5 dc5 18.bc5 c6 19.Qb3 Qg5 20.Rb1 (20.Qb7?! Bh3 21.g3 Bf1 22.Bf1 Qd5=) 20...Re7 21.Qa4 h5 (21...Rd7 22.Bc3+/–) 22.Qa8 h4 23.Rb7 Rb7 24.Qb7 h3 25.g3 Ne6? (25...Qf6 26.Nc4+-) 26.Qa8 (better is 26.Qc6!? Qd8 27.Bc3 Ng5+-) 26...Kh7 27.d5 Nd4 (27...Nc5!? 28.Bg7 Kg7+-) 28.Bf1 (28.ed4 Qd2 29.Qa3 Qe2 30.Qc1 e3 31.Qf1 Qd2 32.fe3 Bh6 33.e4 Be3 34.Kh1 Be4 35.Qf3 Bf3) 28...Bd7?! 29.Bd4 Bd4 30.dc6 Bg4 31.Ne4 Qd5 32.ed4 Qe4 33.Qd8 1–0. Pogromsky,Mikhail – Melnikov,Valery, Nizhniy Tagil RUS, 8th Zudov Mem, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Qb3 a5 8.a3 ab4 9.ab4 Ra1)

10.Ba1 e5 11.de5 Ng4 12.Be2 Nde5 13.Ne5 Ne5 14.0-0 Be6 15.Nd2 (15.f4 Ng4 16.Bg7 Kg7+=) 15...d5 (15...Re8 16.f4 Bg4 17.Bg4 Ng4 18.Bg7 Kg7 19.e4=) 16.f4 (16.Qc2 Bf5 17.Qa2 c6=) 16...Nc4 17.Nc4 dc4 18.Bc4 Bc4 19.Qc4 Ba1 20.Ra1 Qd2 21.Qc7 (21.Qe4 Rd8=) 21...Qe3+= 22.Kh1 Qd4 23.Rb1 Qe4 24.Qc1 Ra8 (24...b5 25.Qf1+=) 25.h3 (25.b5 Ra4+=) 25...Ra2 26.Qc8 Kg7 27.Qc3 Kh6 (27...f6 28.Qc7 Kh6 29.Rg1+=) 28.Rg1 Qf4 29.b5 Re2 (29...Qf5 30.Qh8+=) 30.Qc8 b6 (30...Qf5 31.Qf8 Kg5 32.Qg8+=) 31.Qf8= Kh5 32.Qh8 h6 33.Qd8 Qe4 34.Qb6 f5 35.Qc5 g5 36.Qf8 f4 37.Qf7 Kh4 38.b6 Re3 39.Qd7 h5 40.Kh2 Rb3?? 41.Qd2+- Rg3 42.Rf1 Rd3? 43.Qb2 Qb7?? 44.Rf4!! (44.Rf4 gf4 45.Qf6#) 1–0. Teichmann,Erik (2290) – Mollov,Ergin (2400), Metz op, 1991.

10.Ba1 e5 11.de5 Ng4 12.Be2 Nde5 13.Ne5 Ne5 14.0-0 Be6 15.f4 Nd7 16.Bg7 Kg7 17.Qc3 Qf6 18.e4 Qc3 19.Nc3 Nb6 20.Nd5 Bd5 ½–½. Santos,Luis M (2395) – Watson,William N (2495), EU–chT (Men), 1989. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Qb3).

8.b5 Re8

9.Nc3 e5 10.de5 de5 11.Na4 b6 (11...Qe7 12.Ba3 Qe6 13.Rd1=) 12.Ba3 (12.Be2 Qe7=) 12...Bb7 (12...e4 13.Nd4 Ne5 14.Rd1=) 13.Rd1 Ne4 (13...c5 14.bc6 Bc6 15.Be2=) 14.Be2+= Qc8 (14...Rc8 15.0-0+=) 15.0-0 Bf8 (15...Rd8 16.Qc2+=) 16.Bb2 (16.Bf8 Rf8 17.Qc2 Rd8+=) 16...Ndc5= 17.Nc5 Nc5 18.Qc2 (18.Qc3 Na4 19.Qc2 Nb2 20.Qb2 Bg7=) 18…Bg7 (18...Bg7 19.Ba3 Be4=; 18...Be4 19.Qc3=). Sokolsky,Alexei – Gufeld,Eduard, URS, 1958.

9.Be2 e5 10.0-0 a4 11.Qa3 Qe7=.

9.Be2 e5 10.0-0 ed4 11.Nd4 (11.Bd4 Nc5 (11...Qe7 12.Nc3 Nc5 13.Qb2 Bg4 14.Nd5 Nd5 15.cd5 Bf3 16.Bf3 Bd4 17.Qd4+=) 12.Qd1 (12.Bc5 dc5= 13.Rd1 Qe7 14.Nc3 Bf5 15.Rac1 Rad8 16.Qa4 b6 17.a3= –0.03) 12...Qe7 13.Nc3 Be6 14.Rc1 Rab8 15.Re1 Rbd8 16.Bf6 Qf6 17.Nd5= 0.19) 11...Nc5 (11...a4 12.Qc2 Nc5 13.Nd2 a3 14.Bc3 Nfe4 15.Ne4 Ne4 16.Rad1 Nc3 17.Qc3= –0.09; 11...Ne4 12.Qc2 a4 13.a3 Ndc5 14.Nc3 Nc3 15.Bc3 Qh4 16.Rad1 Bg4 17.Bg4= 0.06) 12.Qd1 (12.Qc2 a4 13.Nd2 Qe7 14.Rad1 a3 15.Bc3 Ng4 16.N2f3 Ne4 17.Bd3= 0.00) 12...Nfe4 (12...a4 13.a3 Nfe4 14.Nc3 Nb3 15.Ra2 Nd4 16.ed4 Nc3 17.Bc3= 0.16) 13.Nc3 Nc3 14.Bc3 h5 (14...a4 15.a3= Qe7 16.Bf3 Qh4 17.Rb1= 0.06; 14...Be5 15.a3 Qe7 16.Bf3 Qh4 17.g3= –0.03) 15.a4 (15.Bf3 Qg5= 16.Qd2 Bg4 17.Bg4= 0.22) 15...Qg5 (15...h4 16.h3= Bf5 17.Rc1+= 0.28) 16.Ra3 (16.Nf3 Qe7 17.Bg7 Kg7+=) 16...Bg4 (16...Bh3 17.Bf3=) 17.Bg4 (17.Nf3 Qe7=) 17...hg4 (17...Qg4 18.Qg4 hg4 19.Rd1=) 18.Ne2 Ne4 19.Bg7 (19.Qd5 Qd5 20.cd5 Re7+=) 19...Kg7= 20.Qd4 (20.Nf4 Qh4=) 20...Qe5 (20...Qf6 21.Rd1=) 21.Rd1+= Qd4 22.Rd4 f5 23.Nf4 Rad8 24.h3 gh3 25.Nh3 b6 26.Nf4 Nc5 27.Nd5 Ne6 28.Rd1 Rh8 29.f4 Rd7 30.Kf2 Nc5+= 31.Kf3 Kf7 32.Raa1 Ke6 33.Rh1 Rh1 34.Rh1 Na4 35.Rh8 Rg7 36.Re8+= Kf7 37.Rc8 Ke6 38.Re8 Kf7= 39.Rc8 Ke6 40.Re8 Kf7= 41.Rc8 ½–½. Poley,V (2425) – Dumitrache,D (2490), 8th Open, St Lo FRA, 2004. (=1.Nf3 g6 2.d4 Nf6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.e3 Nbd7 7.Qb3)

9.Be2 e5 10.0-0 Qe7 11.Nc3 e4 12.Nd2 Nb6 13.a4 Bf5 14.Rae1 Qe6 15.d5 Qe7 16.Qd1 h6 17.Nb3=.

9.Be2 e5 10.Nc3 ed4 11.ed4 Ne4 12.Ne4 Re4 13.Qd3 Qe8 14.a4 (14.Kf1 Nb6+=) 14...Nb6 15.Kf1 (15.Nd2 Re7 16.Qf3 Bf5–/+) 15...d5 (15...Bg4 16.h3 Bf5 17.Qd1–/+) 16.c5 (16.Nd2 Nc4 17.Nc4 dc4 18.Qc4 Be6+=) 16...Nc4–/+ 17.Bc3 Bf5 (17...Re3 18.fe3 Bf5 19.Qc4 dc4 20.Kf2–/+) 18.Qd1+= Qd7 (18...Qd7 19.Nd2 Nd2 20.Qd2 Rae8+=). Muri,Heinrich – van der Veen,J, corr ICCF EU/M/Gr86 (year?).

7.Qb3 c5

8.a3 b6 9.Be2 Bb7 10.Nc3 (10.0-0 a6=) 10...Rc8 (10...cd4 11.ed4 (worse 11.Nd4 Bg2 12.Rg1 Bb7-/+) 11...a6 12.0-0=) 11.0-0 e6 (11...cd4 12.ed4 Nh5 13.d5=) 12.Rfd1 (12.Nb5!? Qe7 13.Na7+/-) 12...d5 (12...cd4 13.Nd4 a6 14.a4+=) 13.dc5 bc5 14.Nb5 (14.cd5 Nd5 15.Na4 Qe7+=) 14...Rb8 (14...Qb6!?=) 15.Na7+/- cb4 (15...Qb6 16.Nb5+/-) 16.ab4 Qb6 (better 16...dc4 17.Qc4 Bd5+/-) 17.c5 (17.Bd4 dc4 18.Bc4+- (18.Bb6 cb3 19.Bc7 Be4=+; 18.Qc4?! Bd5 19.Bb6 Bc4 20.Bc4 Nb6+/-)) 17...Nc5+= 18.Qa3 Nce4 19.Bd4 Qd6 (19...Qd8!?+=) 20.Be5+/- Qd7 21.Bb8 Rb8 22.b5 (22.Ne5 Qc7 23.Nb5 Qe7+/-) 22...Ba8? (better 22...Ng4 23.Nd4 Ngf2+/-) 23.Nc6! Bc6 24.bc6 (better 24.Ne5 Qc7 25.Nc6+-) 24...Qc6+= 25.Rac1 Qd6 26.Qa7 Qd7?? (better 26...Ng4!? 27.Rc7 Rf8=) 27.Rc7 (better 27.Qb8 Bf8+-) 27...Bf8?? (better 27...Qe8 28.Re7 Qf8 29.Rf7 Qf7 30.Qb8 Qe8 31.Qe8 Ne8+-) 28.Rd7 Nd7 29.Qd7 Kg7 30.Qc7 (30.Ne5 Nd6+-) 30...Re8 (30...Bd6 31.Qc6 Rb2 32.Nd2 Rd2 33.Rd2 Nd2 34.Qd6+-) 31.Qe5 Nf6 (31...f6 32.Qc7 Re7 33.Qc6+-) 32.Ng5 (better 32.g4!? h6 33.h4 Ra8+-) 32...Be7 (32...h6 33.Nf3+-) 33.e4 (better 33.Rd5 ed5 34.Bb5 Bd6 35.Qd6 h6 36.Be8 hg5+-) 33...Rf8 (33...h6 34.Ne6! fe6 35.ed5+-) 34.ed5 ed5 35.Rd5 (35.Qe7 Kg8 36.Rc1 h6 37.Rc8 Rc8 38.Qf7 Kh8 39.Qf6 Kg8 40.Qg6 Kf8 41.Qf7) 35...Kh6 36.Rd7! Nd7 37.Qe7 (37.Qe7 Ra8 38.Nf7 Kg7 39.Ng5 Kh6 40.f4 Nf6 41.Nf7 Kg7 42.Nd8 Kg8 43.Bc4 Nd5 44.Bd5 Kh8 45.Qf6) 1-0. ClayPigeons (2110) - lagaffe42 (2225), Rated Bullet game, lichess.org, 2019.

8.Nc3 cb4 9.Qb4 a6 10.Be2 Rb8 11.0-0 h6 12.Rac1 Kh7 13.Rfd1 b6 14.Qb3 Bb7 15.Qc2 a5 (15...Qc7 16.Qd3+=) 16.Bd3 (16.e4 Rc8+=) 16...e6 (16...Bf3 17.gf3 Rc8 18.Nb5+=) 17.Nb5 (better 17.e4+/-) 17...Ng4? (better 17...Bf3 18.gf3 Qe7+=) 18.Ba3+- Ndf6? (18...Ra8+-) 19.Bd6 Bc6 (19...Nd7 20.Bb8 Nb8 21.Be4+-) 20.Bb8 (better 20.h3 Bb5 21.Bf8 Bc4 22.Bc4 Bf8 23.hg4 Rc8+-) 20...Qb8 21.e4 Nh5 22.h3 Nhf6 (22...Ngf6+-) 23.hg4 Ng4 24.d5 ed5 (24...Bd7 25.Rb1+-) 25.ed5 (25.cd5 Bb5 26.Bb5 Qf4+-) 25...Bb7 (25...Bd7 26.Rb1+-) 26.Rf1 (26.Qe2 Ne5+-) 26...f5 (26...Ba6 27.Rb1+-) 27.Rfe1 Qf4 (27...Ne5 28.Ne5 Be5 29.Re3+-) 28.Re7 Kh8 (28...Bc8 29.Qb2 Nf6 30.Rce1+-) 29.Rce1 (better 29.Rb7 Ne5 30.Ne5 Be5+-) 29...Bc8 30.Rc7 Bd4 (30...Ba6 31.Re6 Bf6 32.Ra7 Bb5 33.cb5+-) 31.Re2 (better 31.Nfd4 Qh2 32.Kf1 Qh1 33.Ke2 Qg2+-) 31...Bf2 (31...Bg7+-) 32.Rf2 Qg3 (32...Qe3 33.Qb2 Rf6 34.Rc8 Kh7 35.d6 Nf2 A) 36.Qf6?! Ng4 37.Kh1 Qc1 (37...Nf6?? 38.Rc7 Kg8 39.d7 Nd7 40.Rd7+-) 38.Ng1 Nf2 (38...Nf6? 39.Rc7 Kg8 40.d7 Nd7 41.Rd7+-) 39.Kh2 Ng4 40.Kh3 Nf6+-; B) 36.Qf2+-) 33.Re2 f4 34.Qc3 Kg8 (34...Nf6 35.Qf6! Rf6 36.Re8 Rf8 37.Rf8) 35.Bg6 (35.Bg6 Qh2 36.Nh2 Nf6 37.Bh7 Kh8 38.Qf6 Rf6 39.Re8 Rf8 40.Rf8; 35.Qg7) 1-0. ClayPigeons (2080) - manyathela78 (2070), Rated Bullet game, lichess.org, 2020.

8.Nc3 cd4 9.ed4 a6 (9...Nb6 10.Be2=) 10.a4 (10.Bd3 b6=) 10...b6 (10...a5 11.Be2=) 11.Be2+= Bb7 12.0-0 Rc8 13.Rac1 (13.a5 Re8+=) 13...Re8 14.Rfd1 d5 (14...Qc7 15.d5=) 15.c5 (15.cd5 Bh6 16.Nd2 Bf4+=) 15...e5 16.de5 Ne5 17.Ne5 Re5 18.Bf3 The pressure on the isolated pawn grows 18...Rf5 (18...Bh6 19.Rc2 bc5 20.bc5+/-) 19.Ne2 (better 19.cb6 Qb6 20.Nd5 Nd5 21.Rc8 Bc8 22.Bg7 Kg7 23.Rd5+/- (23.Bd5?? Qf2 24.Kh1 Qf1 25.Rf1 Rf1)) 19...Rf3? (better 19...bc5!? 20.Rc5 Rc5 21.bc5 Qc7+/-) 20.Qf3+- (20.gf3?! bc5 21.Rc5 Rc5 22.bc5 Qe7+/-) 20...bc5 21.Rc5 Rb8 22.Nd4 (22.Bd4 Ne4 23.Rcc1 Bh6+-) 22...Ne4 23.Rcc1 Qb6 24.Ba3?? (better 24.b5+-) 24...Bd4-+ 25.a5? (25.Rc2 Be5-+) 25...Qa7 (better 25...Bf2 26.Kf1 Qb5 27.Qd3 Bc6 28.Rc6 Qc6 29.Qd5 Qe8-+) 26.Rc2 Rc8 27.Rc8?! (27.Rdc1 Qb8 28.Qd1 Rc2 29.Rc2-+) 27...Bc8 28.Rf1 h5 (28...Bf2 29.Kh1-+) 29.Qf4 (29.Qe2 Bd7 30.Bb2 Bb5 31.Bd4 Qd4-+ (31...Be2?! 32.Ba7 Bf1 33.Kf1=)) 29...Be6 (29...Bg4 30.b5 ab5 31.Qh6-+) 30.b5 (30.Bc1 Qb7-+) 30...ab5 31.Bb4 Bc5 (better 31...Bg4 32.Qh6 Qb8-+) 32.g3?? (better 32.Bc5 Nc5 33.Qe3-+) 32...Bb4-+ 33.Kg2 Bc5 (33...Ba5 34.Qe5-+) 34.f3 (34.Ra1-+) 34...Nf6! 35.Qe5 (35.Qf6 Qa5 Combination) 35...Bd4 (better 35...Qa5 36.Qb2 Qa3 37.Qa3 Ba3-+) 36.Qd6 (36.Qe1 Qd7 37.g4 hg4 38.Qd2-+) 36...Qa5 37.Qd8 Kg7 (37...Qd8 38.Rd1 Bh3 39.Kh3 Qc8 40.g4 hg4 41.Kg3 Nh5 42.Kg2 Qc2 43.Rd2 Qd2 44.Kh1 Qe1 45.Kg2 Nf4) 38.Qa5+- Bb6?? (38...Bd7 39.Re1 Bc5 40.Kf1+-) 39.Qd2 (better 39.Qb6 h4 40.Qb5 hg3 41.hg3+-) 39...Be3?? (better 39...d4+/-) 40.Qb2 1-0. ClayPigeons (2155) - MarioForce (2140), Rated Bullet game, lichess.org, 2021.

8.Bd3=.

8.Be2 Qb6 9.b5 (9.bc5 dc5 10.0-0 Ne4=) 9...cd4 10.ed4 a6 11.Nc3 Nh5 12.Nd5 Qd8 13.0-0 Nhf6 (13...ab5 14.Qb5 e6 15.Nc3=) 14.Nf6 Bf6 15.Rfd1 (15.a4 b6=) 15...ab5 16.Qb5 Qb6 (16...Nb6 17.Qb4=) 17.a4 (17.Qb3!?=) 17...Ra5+= 18.Qb6 Nb6 19.Bc3 Ra4 20.Rdb1 Ra1 (20...Rc4 Not 21.Ba5+/–) 21.Ba1 (21.Ra1 Be6 22.Nd2 Rc8–/+) 21...Nd7 22.Nd2 Bg7 23.Bf3 e5 24.de5 Be5 25.Be5 Ne5 26.Bb7 Bb7 27.Rb7 Rc8 28.Rb4 f5 29.g3 Kf7 30.f4 Nd7 31.Nf3 h6 32.Kf2 Nc5 33.Ke3 Re8 34.Kd2 Re4 35.Kd1 Re3 36.Nd2 Kf6 37.Rb6 Ke7 38.Rb8 Ra3 39.Rg8 Kf7 40.Rd8 Ke7 41.Rg8 Kf7 42.Rd8 Twofold repetition 42...Ke7 43.Rg8 ½–½. Choma,Ernani Francisco – Hilbe,Martin, Mercosur–ch U14, 2001. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 Nbd7 7.Qb3 c5)

8.a3 cd4

9.ed4 a6 10.Be2 Rb8 (10...Ne4 11.d5=) 11.0-0+= b5 (11...Re8 12.Re1+=) 12.c5 (12.cb5 ab5 13.Nc3 Ba6+=) 12...dc5 13.dc5 Bb7 14.Nbd2 Qc7 15.Rfe1 Rfe8 16.Rad1 e6 17.Nf1 Rbd8 18.Ne3 a5 (18...Bc6 19.Rd6+=) 19.Bc3 (19.Nd4 Ne4 20.f3 Bd4 21.Rd4+- (21.fe4? a4 22.Qc2 Be3 23.Kh1 Bf4-+)) 19...ab4 20.ab4 Bc6 (20...Qf4 21.Bb5 Bf3 22.gf3+/-) 21.Qb2 Nh5 22.Bg7 Ng7 23.Nd4 Nf5 (23...Rb8!?+-) 24.Nb5 Bb5 25.Bb5 Ne3 26.Re3 Rf8 (26...Nb8 27.Rb1 Nc6 28.Bd3+-) 27.Red3 Nb8 28.Bc4 (28.Rd8 Rd8 29.Rd8 Qd8+-) 28...Rc8 (28...Rd3 29.Bd3 Nc6 30.Qc3+-) 29.Qf6 (29.Qc3 Qb7+-) 29...Qc6 (29...Nc6 30.Qc3+-) 30.Rh3 h5?? (30...Qa4 31.Rd4 Nd7 32.Qh4+-) 31.g4 (31.Rh5! gh5 32.Qg5 Kh7 33.Qh5 Kg7 34.Qg5 Kh7 35.Rd3 Qg2 36.Kg2 Rc5 37.Rh3) 31...Rcd8?? (31...Qe4 32.Rd4 Qb1 33.Kg2 Nd7+-) 32.Re1 (32.Rd8 Nd7 33.Rf8 Kf8 34.Qd8 Kg7 35.gh5 Qa4 36.hg6 Nf8 37.gf7 Qa1 38.Bf1 Qb1+-) 32...e5 (32...Nd7 33.Qg5 Qa4 34.Re6 Qa1 35.Kg2 Qa8 36.c6 Nf6 37.Rf6 Kg7 38.Qe5 Kh7 39.Rh5 gh5 40.Qf5 Kh8 41.Rh6 Kg7 42.Qh7) 33.Qg5 (better 33.Bf7 Rf7 34.Qd8 Rf8 35.Qg5 hg4 36.Rh6+-) 33...e4?? (33...Rd4 34.Be2 Qa4 35.gh5 Qd7+-) 34.gh5 Na6 (34...Rd3 35.Rh4 e3 36.hg6 ef2 37.Kf2 Rd2 38.Re2 Re2 39.Ke2 Qe8 40.Kf3 Qe2 41.Ke2 Re8 42.Kd3 Re6 43.Qh6 Rd6 44.cd6 Nd7 45.gf7) 35.hg6 Qg6 (35...Rd5 36.gf7 Kf7 37.Rh7 Ke8 38.Qe7) 36.Rg3 (36.Qg6) 36...Kg7 37.Qg6 (37.Qe5 Kh7 38.Re4 Rd4 39.Rd4 Rg8 40.Rh4 Qh6 41.Qh8 Rh8 42.Bd3 f5 43.Bf5) 37...fg6 38.Rg6! (38.Rg6 Kg6 39.Ba6+-) 1-0. ClayPigeons (2115) - Narmendia (2140), Rated Bullet game, lichess.org, 2019.

9.ed4 b6 (9...d5 10.Ne5=) 10.Nc3 (10.Be2 Ba6=) 10...Bb7 11.Be2 Rc8 12.0-0 Rb8 (12...Nh5 13.d5=) 13.Rac1 a5 14.Rfe1 ab4 15.ab4 Ra8 16.Rc2 Ne4 17.Nb5 Nef6 (17...e6 18.Bd3 Ndf6 19.Rce2+=) 18.Nd2 (18.d5 Re8+/-) 18...Ne4 (18...Re8 19.Bf3 Bf3 20.Qf3+/-) 19.Nf1 (19.d5 Nd2 20.Rd2 Bb2 21.Rb2 Ba6+/-) 19...Nef6 20.Bd3 (better 20.Bf3 Bf3 21.Qf3+/-) 20...e5? (better 20...Bc6+=) 21.Nd6+- Bc6 22.de5 (22.Rd2 Ba4 23.Qa2 Bc2 24.Qa8 Qa8 25.Bc2 ed4 26.Bd4 Qc6+/-) 22...Ne8? (better 22...Ba4 23.Qc3 Ne5+=) 23.f4?? (better 23.Nb5+-) 23...Nd6=+ 24.ed6? (better 24.Rd2 Nc8 25.Be4 Be4 26.Re4=) 24...Nf6?? (better 24...Ba4 25.Bg7 Bb3 26.Bf8 Bc2-+) 25.c5 (better 25.b5!? Re8 26.Re8 (26.bc6?! Re1 27.Be5 Ng4 28.Bg7 Qd6+/-) 26...Be8 27.Be5+-) 25...bc5 (25...Ba4 26.Qc4 Bc2 27.Qc2 bc5 28.bc5+/- (worse 28.Qc5 Nd7 29.Qf2 Ra2-/+)) 26.bc5 Rb8? (better 26...Ba4!? 27.Qc4 Bc2 28.Bc2 Rc8+/-) 27.Qa2+- Bd5 (27...Ra8 28.Qb1+-) 28.Bc4 (28.Bf6!? Ba2 29.Bd8 Rfd8+-) 28...Bc4 29.Qc4 Nd7 (29...Re8 30.Be5 Ng4+-) 30.Bg7 Kg7 31.c6 Nf6 (31...Qb6 32.Kh1 Nf6 33.Qc3+-) 32.c7 Qd7 (32...Qd6 33.cb8R Rb8+-) 33.cb8Q Rb8 34.Qc7 (better 34.Re7 Qe7 35.de7 Re8+-) 34...Qb5 (34...Rb7 35.Qc6+-) 35.Rec1 (better 35.Re7!? Qb6 36.Ne3 Qc7 37.Rcc7 Rf8+-) 35...Rb7 36.Qc8 (36.Ne3 Ne4 37.Qc4 Qc4 38.Nc4 Rd7+-) 36...Rd7 37.Qc6 (37.Rd1 Qf5+-) 37...Qf5 38.Ng3 (38.Rf2 Qe4+-) 38...Qe6 (38...Qf4 39.Rd1+-) 39.Re2 (39.Rd1 Qe3 40.Kh1 Qf4+-) 39...Qd6 40.Rce1 (better 40.Qd6 Rd6 41.Re7+-) 40...Qc6-+ 41.Kf1 (41.Kh1 Qa4 42.Rf2 Ng4-+) 41...Qb6 42.Nf5 (42.Ne4 Ng4 43.Nf2 Nh2 44.Kg1 Ng4-+) 42...gf5 43.h3 (43.g3 Ne4 44.Kg2 Qb7-+) 43...Qa6 (43...Ne4 44.Re4 fe4 45.Rb1 Qb1 46.Kf2 Rd2 47.Kg3 Qd3 48.Kg4 Rg2 49.Kh4 Qg3 50.Kh5 Qh3) 44.Kf2 Ne4 45.Kf3 (45.Kg1 Qd6-+) 45...Re7 (45...Rd3 46.Re3 Qa2 47.R1e2 Re3 48.Ke3 Qa3 49.Kd4 Qc3 50.Kd5 Qc5) 46.Ke3 Qa3 (46...Qa3 47.Kd4 Qc3 48.Kd5 Rd7) 0-1. ClayPigeons (2080) - Dennyimbativel (2090), Rated Bullet game, lichess.org, 2020.

9.ed4 e5 10.d5 Nh5 11.Be2 (11.Nc3 Re8=) 11...f5 (11...Nf4 12.Bf1=+) 12.0-0= Nf4 13.Re1 Ne2 (13...e4 14.Nd4=+) 14.Re2= e4 15.Bg7 (15.Ne1 Ne5=) 15...Kg7 (better 15...ef3 16.Qf3 Kg7-/+) 16.Nd4+= Ne5 17.Qc3 Kg8 18.Nd2 Bd7 (better 18...Nd3+=) 19.Nf1?? (better 19.f3+/-) 19...Rc8=+ 20.Rc1 (20.Nd2 b5=+) 20...b6 (better 20...Rc4!? 21.Qd2 Rd4 22.Qd4 Nf3 23.gf3 Qg5 24.Ng3 Qc1 25.Nf1 Qg5 26.Ng3 ef3-+) 21.Qb3=+ Qe8 (21...b5 22.Nd2=+) 22.Ne3 (22.Rc3 Qf7+=) 22...f4 (22...b5 23.c5 Nd3 24.Rd1 dc5 25.bc5 Rc5 26.Nec2-/+) 23.Nf1= f3 (23...Nd3 24.Rc3 Ba4+/-) 24.Re3?? (better 24.Re4 fg2 25.Kg2+=) 24...fg2-/+ 25.Ng3 Nf3?? (better 25...Ba4 26.Qa2 Nd3-/+) 26.Kg2?? (better 26.Nf3 Rf3 27.Ne4 Re3 28.Qe3+/-) 26...Nd4-+ 27.Qc3 Nf5 28.Re4 Qf7 29.Rce1 (29.Kg1 Ne7 30.Qd4 Nd5-+) 29...Rce8 (better 29...b5 30.R1e2 bc4-+) 30.Re8 Re8 (30...Nh4 31.Kh1 Re8 32.Re8 Be8 33.Ne4-+) 31.Nf5 (31.Re8 Be8 32.Ne4 Qe7-+) 31...Qf5 (31...Bf5 32.f3-+) 32.Re8 Be8 33.Qe3 (33.b5-+) 33...Qe5?? (33...Qg4 34.Qg3 Qg3 35.hg3-+) 34.Qd3? (better 34.Qe5 de5 35.Kf3=+) 34...Bf7 (34...b5 35.c5-+) 35.a4 Kg7 (35...Qb2 36.b5-+) 36.a5 (36.h3 g5-+) 36...ba5 (36...b5!? 37.cb5 Bd5 38.f3-+) 37.ba5 Qe7 (37...g5!? 38.h3-+) 38.Qd4 Qf6 (38...Qf6 39.Qa7 Qg5 40.Kf3 Qh5 41.Ke3 Qe5 42.Kd3 Qh2 43.Qd4 Kf8=+) 0-1. ClayPigeons (2095) - xisco949 (2235), Rated Bullet game, lichess.org, 2020.

8.bc5 dc5

9.d5 a6 10.Nc3 b5 (10...e6!?=) 11.cb5+/- ab5 12.Nb5 (12.Bb5 Ba6+/-) 12...Ba6 13.a4 Rb8 (better 13...Nb6+=) 14.Ba3?? (better 14.Bd3+/-) 14...Qa5 (14...Ne4 15.Ra2 Qa5 16.Nd2-/+) 15.Nd2=+ Ne4 16.Rd1 Bb5 17.ab5 Nc3 (better 17...Nd2!? 18.Rd2 Bc3-/+) 18.Ra1= Nb5 19.Bb2 Qb6 (19...Na3! 20.Qa3 Qa3 21.Ra3 Rb2=+) 20.Bg7+= Kg7 21.Nc4 Qf6 22.Rd1? (22.Rc1 e6 23.de6 Qe6=) 22...Nd4?? (better 22...Nc3 23.Qc2 Nd1 24.Kd1 Nb6-+) 23.Qc3?? (better 23.Qd3 Rb3 24.Qe4=) 23...Nf3!!-+ 24.gf3 (24.Ke2 Qc3 25.Kf3 Rb4-+) 24...Qc3 25.Nd2 Rb2 26.Be2 (26.d6 Ra8 27.Bb5 Rb5-+) 26...Rfb8 27.e4 Rd2! 28.Rd2 (28.Rd2 Rb1 Double attack) 28...Rb1 29.Bd1 Ne5 30.Ke2 Nf3 (30...Qf3 31.Kf1 Ng4 32.d6 Rd1 33.Rd1 Qf2) 31.Rd3-+ Nd4 32.Ke3 Qc1 33.Rd2 Rb2 34.Bc2 Qd2! 35.Kd2 Rc2 36.Kd3 Rf2 37.Rb1 (37.Rc1 Nb3 38.Rh1 Rf3 39.Kc4 Nd2 40.Kc5 Ne4 41.Kc4 Rf4-+) 37...Rf3 (better 37...Rh2 38.Rc1 Rh3 39.Kc4-+) 38.Kc4 Nc2 (38...Kf6 39.Rb7-+) 39.Kc5 (39.Rb2 Nb4-+) 39...Re3 (39...Kf6 40.Rg1-+) 40.Rc1 Ne1 (40...Rc3 41.Kb6-+) 41.Kd4 Rd3 (better 41...Re2-+) 42.Kc4 Re3 43.Kd4 Re2 0-1. ClayPigeons (2105) - MagnusChessking (2195), Rated Bullet game, lichess.org, 2020.

9.d5 b5 10.cb5 Nb6 11.Nc3 e6 12.d6 Qd6 13.Be2 e5 (13...Qc7 14.Na4=) 14.Ng5 (14.Qc2 Re8=) 14...Bb7 15.Bf3 (15.0-0 Qe7=) 15...Qc7 16.0-0 Rfe8 (16...Bf3 17.Nf3 e4 18.Nd2=) 17.Qc2 (17.Bb7 Qb7 18.a4 h6=) 17...e4 18.Be2 Nfd7 (18...Rad8 19.Rfd1=) 19.Rab1 h6 (19...Qe5!? 20.h4 h6=) 20.Nge4+= Ne5 21.Rfd1 (21.Nd2 a6+=) 21...Nec4= 22.Bc4 Nc4 23.Nd2 Nb2 24.Rb2 Qa5 (24...c4!?=) 25.Rb3 Rad8 26.Nc4 Qc7 27.Rbb1 Qe7 28.f3 Qe6 29.Ne4 Be4 30.Qe4 Qe4 31.fe4 Rd1 32.Rd1 Re4 33.Rc1 Kf8 34.a4 Ke7 35.a5 Kd7 36.Kf2 h5 37.Kf3 f5? 38.Ke2?? Bf6 39.Kd3 Bd8 40.Rb1 Bc7 41.h3 Bb8 42.b6 Kc6 43.ba7 Ba7 44.a6 Kd5 45.Rb7 Rc4= 46.Ra7 Ra4 47.Rd7 Kc6 48.Rg7 Ra6 49.Rg6 Kb5 50.Rg5 Kb4 51.Rf5 c4 52.Kc2 Ra2 53.Kb1 Rg2 54.e4 Kc3 55.Rf3 Kd4–/+ 56.Rf5 ½–½. Choma,Alexandre Pedro – Souza Filho,Namyr Carlos (2130), Vila Velha Cup, 2000. (=1.Nf3 d6 2.d4 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 Nbd7 7.Qb3 c5)

9.d5 b5 10.Nbd2 bc4 11.Bc4 Rb8 12.Qc2 Rb2 13.Qb2 Nd5 14.Qc2 (14.Bd5 Bb2 Discovered attack) 0-1. bjoernsen (2440) - applejuice95a52 (2465), Rated blitz game, lichess.org, 2021.

9.d5 Rb8 10.a4 Ne4 11.Bg7 Kg7 12.Nc3 Nc3 13.Qc3 f6 14.Be2 Qc7 15.0-0 Ne5 16.Ne5 Qe5 17.Qe5 fe5 18.Rab1 Bf5 19.Rb5 b6 20.f3 Bd7 21.Rb2 Ba4 (better 21...g5!?+=) 22.Ra1+- Be8 23.Ra7 Kf6 24.Kf2 (24.Ra6 Bd7+-) 24...g5 (24...e6 25.d6+-) 25.Bd3 h5 26.Bc2 (26.Ra6 Bd7+-) 26...g4 (26...e6!? 27.Ra6 ed5 28.Rab6 Rb6 29.Rb6 Ke7 30.cd5 Rf6 31.Rb7 Kd6+/-) 27.Ra6+- gf3 28.gf3 Kg5 29.Rbb6 Rb6 30.Rb6 h4 (30...Bd7 31.Be4 Ra8 32.Rg6 Kh4 33.Rg7+-) 31.Rb7 (better 31.Re6 Bf7 32.Re5 Kf6 33.Rf5 Kg7 34.Rg5 Kf6 35.f4+-) 31...Bh5+/- 32.Bd1 Bf3 33.Bf3 e4 34.Re7 Rf3 35.Ke2 Rh3 36.Re5 Kg4? (better 36...Kf6 37.Re4 Rh2 38.Kf3 Kf5+-) 37.Re4 Kf5 38.Rf4 Ke5 39.Rf2 Ke4 (39...Kd6 40.Kd3 Ke5 41.d6 Kd6 42.Ke4+-) 40.Kd2 (better 40.d6!? Re3 41.Kd1 Rb3+-) 40...Ke5 41.Kd3 Kd6 42.Ke4 Kc7 43.Kf4 Kd6 44.Re2 Ke7 45.Kg4 Kf6 (45...Rg3 46.hg3 h3 47.Kh3 Kd6 48.Rd2 Kc7 49.d6 Kc8 50.d7 Kd8 51.e4 Ke7 52.d8Q Kf7 53.Rd7 Kg6 54.Qb6 Kg5 55.Rd5) 46.Kh3 Kg5 47.Rf2 Kh5 (47...Kg6 48.d6 Kh6 49.d7 Kg5 50.d8Q Kg6 51.Rf6 Kh7 52.Qe7 Kg8 53.Rf8) 48.Rg2 (48.Rg2 Kh6 49.d6 Kh5 50.d7 Kh6 51.d8Q Kh5 52.Qh4) 1-0. bjoernsen (2450) - IvanKalajzic (2405), Rated blitz game, lichess.org, 2022.

9.d5 Ne4 10.Bg7 Kg7 11.Nbd2 Nd2 12.Nd2 Qc7 13.Ke2 Nf6 14.f3 e6 15.e4 b5 16.Kf2 ed5 17.cd5 (17.Qb5 Rb8 18.Qa4 de4-+) 17...a6 18.Rc1 c4 19.Qc3 Qb6 20.Qe3 Qa5 21.Rc2 Kg8 22.Be2 Bb7 23.Rd1 Rfe8 24.Qd4 Nh5 25.g3 Rad8 26.Nf1 f5 27.Kg2 (27.Ne3 Qa4=) 27...Qc7 Black plans f4 28.Ne3 f4 (28...Qe7 29.d6 Qg5 30.Bc4 bc4 31.Qc4 Kf8 32.d7=) 29.Nf1 (29.d6 Qg7 30.Nc4 Qd4 31.Rd4 bc4 32.Rcc4 Rd7+=) 29...fg3 30.hg3 Qf7 31.f4 (31.Ne3+=) 31...Nf4 (31...Nf6 32.Bf3 Ne4-/+) 32.gf4+/- Qf4 33.Ng3 Re5 34.Rf1 Qg5 35.Bg4! Rde8 (35...Qg4 36.Qe5 Deflection) 36.Bf3 h5 37.Qd2?? (better 37.Qb6 Bc8 38.Kf2+=) 37...h4-/+ 38.Qg5 (38.Qf2!?-/+) 38...Rg5-+ 39.Re2 (39.Kh3 Rg3 40.Kh4 Rf3 41.Rf3 Re4 42.Kg3 Bd5-+) 39...Rg3 (39...hg3?! 40.Rfe1-+) 40.Kf2 Rf8 41.Re3 g5 42.Ke2 (42.Rg1 g4 43.Rg3 hg3 44.Kg3 gf3 45.Rf3 Rf3 46.Kf3-+) 42...g4 43.Bh1 (43.d6 Bc8 44.Rf2 gf3 45.Kd2 Rg2-+) 43...Rf1 (43...Re3 44.Ke3 Rf1 45.Bg2-+) 44.Kf1 (44.Rg3 Rh1 45.Rg4 Kf7 46.Rf4 Ke7 47.Rg4-+) 44...Re3 45.d6 Ra3 (45...c3 46.d7 Rd3 47.Ke2 Rd2 48.Ke3 Rd7 49.Kf4 c2 50.Kg5 c1Q 51.Kf5 Qh6 52.Kg4 Rd3 53.Kf5 Bc8 54.Ke5 Qd6) 46.e5 Rd3 (better 46...Bh1 47.e6 Kf8 48.Kg1-+) 47.Bb7 Kf7 48.Bc8 (48.Ke2 h3 49.Ba6 h2-+) 48...g3 (better 48...c3 49.Ke2 c2 50.Kd3-+) 49.e6 (49.e6 Ke8 50.Ba6 Rd6 51.Bb5 Ke7 52.Bc4-+). bjoernsen (2505) - Vagaviev (2540), Rated blitz game, lichess.org, 2022.

8.Be2 cb4!?

9.Qb4 b6 10.Nc3 Bb7 11.0-0 Rc8 12.a4 a5 13.Qb3 d5? (better 13...Ne4!?+=) 14.cd5+- (14.Nd5?! Nd5 15.cd5 Nf6+=) 14...Nb8 15.e4 e6 16.de6 Ne4 17.ef7 Rf7 18.Bc4 (18.Ne4 Be4 19.Ne5 Be5 20.de5 Bd5+-) 18...Rc4+/- 19.Qc4 Nc3 20.Bc3?? (20.Qc3 Bf3 21.gf3 Qg5 22.Kh1 Qd5+-) 20...Bf3?? (better 20...Bd5 21.Qb5 Rf3-/+) 21.gf3+/- Qg5 22.Kh1 Qf4 (22...Qf5 23.Rg1+/-) 23.Qc8+- Bf8 24.Qg4 Qf3 25.Qf3 Rf3 26.Bb2 Rd3 (26...Rb3 27.Bc1+-) 27.Rad1 (27.Rab1!?+-) 27...Rb3+/- 28.Ba1 (28.Rd2 b5 29.ab5 Rb5+/-) 28...Rb4 (28...Ra3 29.f4+/-) 29.Rfe1 (better 29.Rb1!?+-) 29...Ra4+= 30.Re8 Nc6? (better 30...Na6!?+=) 31.d5+- Nb4? (better 31...Kf7 32.dc6 Ke8+-) 32.d6 Kf7 (32...Ra1 33.Ra1 Kf7 34.d7+-) 33.d7 Nc6 34.d8Q (better 34.Rc8 Ra1 35.Ra1+-) 34...Nd8 35.Red8 b5 (35...Be7 36.Rb8 Bc5+-) 36.R1d7?? (better 36.R8d7 Kg8 37.Rb7+-) 36...Kg8?? (36...Be7 37.Bc3 b4 38.Rh8+=) 37.Rf8 Kf8 38.Rg7?? (38.Be5 h5+/-) 38...Ke8 (better 38...Ra1 39.Kg2 Kg7-+) 39.Bf6 (39.Be5 Ra2+=) 39...Kf8 (39...Rf4 40.Bg5 Rf7 41.Rg8 Kd7 42.Kg1=) 40.Kg2 (better 40.Rb7 Rf4 41.Be7 Ke8 42.Bc5+/-) 40...Ra2?? (better 40...Rf4 41.Be5 Rf7 42.Rf7 Kf7=) 41.Rh7+- b4 42.Ra7 (42.Rb7!? Rd2+-) 42...b3+/- 43.Bd4 (better 43.Kf3+/-) 43...b2? (better 43...a4+/-) 44.Rb7+- Ra1 (44...b1Q 45.Rb1 Ra4 46.Be5+-) 45.Bb2 Ra2 46.Bd4 a4 0-1. ClayPigeons (2190) - Pavel_Aliev (2050), Rated Bullet game, lichess.org, 2020.

9.Qb4 b6 10.Nbd2 Ba6 11.Qa3 (11.0-0 Bb7+=) 11...Qc8 (11...Bb7 12.0-0=) 12.Rc1 Qb7 (12...Bb7 13.0-0+=) 13.0-0+= Rac8 14.Ne1 Nb8 15.Nd3 Qd7 (15...Qa8!?+=) 16.Nb4+- Bb7 17.Qa7 Qc7 18.Qa3 Nbd7 19.Qd3 Ra8 20.Bf3 Bf3 21.Nf3 Ra4 22.a3 Ra5 23.Rc2 Rh5 24.h3 e5 25.de5 (25.Nd5 Nd5 26.cd5 Qd8+-) 25...de5+- 26.Nd5 Qc5 (26...Qa7 27.Nf6 Bf6 28.Qd6+-) 27.e4+- Rc8 28.Nf6 (28.Rcc1 Rd8+-) 28...Nf6+- 29.g4 Rh3 30.Kg2 (30.Be5 Rf3! (worse 30...Ng4 31.Bd6 Qh5 32.Kg2–+) 31.Qf3 Qe5–+) 30...Rh6 (better 30...Rf3!? 31.Qf3 h5+-) 31.g5+- (worse 31.Ne5 g5+-) 31...Nh5? (31...Rh5 32.gf6 Bf6+-) 32.Bc1 Nf4 33.Bf4 Rh5 34.Be3 Qc7 (34...Qc6 35.Rd1+-) 35.Rh1 (better 35.Rd1!? Bf8+-) 35...Rd8 36.Qe2 Qc8 (36...Rh1 37.Kh1 Bf8 38.Rb2+-) 37.Nd2 (37.Rh5!? Qg4 38.Kh1 Qh5 39.Nh2 Qe2 40.Re2 Rc8+-) 37...Rh1 38.Kh1 b5 39.c5 Qa6 (39...Bf8 40.Rc3+- (40.Qb5?! Qh3 41.Kg1 Qg4 42.Kh2 Qh4 43.Kg2 Qg4 44.Kh2 Qh4 45.Kg1 Qg4 46.Kh2=)) 40.Nb1 Qa4 (40...Rb8 41.Nc3 Qa3 42.Nb5+-) 41.Nc3 Qa3 42.Nb5 (42.Qb5 Qa1 43.Kh2 Bh8+-) 42...Qa5 (42...Qb4 43.Nc3+-) 43.f3 Rb8 44.Nd6 (44.c6 Bf8+-) 44...Qc7 (44...Bf8 45.Rd2+-) 45.Qc4 (45.Rb2!? Bf8 46.Rb8 Qb8+-) 45...Qd7 46.Qf1 Bf8 47.Rd2 Qc7 (47...Rb3 48.Bg1+-) 48.f4 ef4 (48...Rb3 49.Qf2+-) 49.Qf4 Rb1 (49...Qd7 50.Kg2 Bd6 51.Rd6+-) 50.Kg2 Bg7 (50...Rb3 51.Bd4 Qd7 52.Kf2+-) 51.Rf2 (51.Nf5 Qf4 52.Rd8 Bf8 53.Nh6 Kg7 54.Bf4 Rb2 55.Kf3 f6 56.Rd7 Be7 57.Re7 Kf8 58.gf6 Rc2 59.Bd6 Rc3 60.Kg4 Rd3 61.Rb7 Rd6 62.Rb8 Rd8 63.Rd8) 51...Rb2 (51...Rb3 52.Ne8 Qe7 53.Ng7 Kg7 54.c6+-) 52.Rb2 Bb2 53.Qg4 1–0. Choma,Juliana Luiza (1885) – Cathcart,Jessica (1870), Championship Paranaense Feminino – Fase, 2011. (=1.Nf3 g6 2.c4 Bg7 3.d4 d6 4.e3 Nf6 5.b4 0-0 6.Bb2 Nbd7 7.Qb3 c5 8.Be2 cb4)

9.Qb4 Qb6=.

9.h4=.

8.Be2 b6

9.0-0 a5 10.ba5 (10.a3 ab4 11.ab4 Ra1 12.Ba1 cd4 13.Bd4 Bb7+=) 10...ba5= 11.Nbd2 Qc7 12.Rab1 a4 13.Qc2 cd4 14.ed4 Bb7 15.Bd3 a3 (15...Rfc8 16.Rfe1 e6 17.Ba3=) 16.Bc3 (16.Bc1 Rfc8+=) 16...e6 (16...Rfb8 17.Rfe1 Nb6 18.d5+=) 17.Rfe1 (17.Bb4 Rfb8+=) 17...Ra7 (17...Rfc8 18.Bb4+=) 18.h3 (18.Bb4 Rb8+=) 18...Rc8= 19.Bb4 Nd5 20.cd5 (20.Ne4 Nb4 21.Rb4 d5=) 20...Qc2 21.Bc2 Rc2 22.de6 fe6 23.Re6 Ra2 24.Bd6 Bd5 (24...Bf6 25.Ne4 Rb2 26.Nf6 Nf6 27.Ra1+=) 25.Re8+= Nf8 26.Bc5 Ra6 27.Bf8 ½–½. Coppel,Ilvo – Garcia,Antonio Lopez, IECC, 2003. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d6 6.e3 Nbd7 7.Qb3 c5 8.Be2 b6)

9.0-0= Bb7 10.Rd1 (10.bc5 bc5 11.Qb7 Rb8 12.Qa7 Ra8+/–) 10...Qc8 (10...cd4 11.ed4 a5 12.Nc3=) 11.Nbd2 (11.Nc3 Rb8+=) 11...Re8 12.bc5 bc5 13.Rab1 Rb8 14.Qa3 e6 (14...cd4 15.ed4 e5 16.de5 (16.Qd6?? Bf8 17.Qb8 Qb8–+) 16...de5 17.Bc3=) 15.Ba1 (15.Bc3 a6+=) 15...a6 16.Nb3 (16.Bc3 Qc7=) 16...Be4 17.Rbc1 Qc7 (17...Rd8 18.Bc3=) 18.Nfd2 (18.dc5 dc5 19.Bc3 Bc6=) 18...Bb7 19.Na5 (19.dc5 Nc5 20.Nc5 dc5=) 19...Ba8+= 20.Rb1 Rb1 (20...Ne4 21.Rb8 Rb8 22.Ne4 Be4 23.Nb3=) 21.Rb1 Rb8 (21...Ne4 22.Ndb3+=) 22.Rb3 Ne4 ½–½. Adam – Weiz, corr DDR Mkl, 1974.

9.Nbd2 Bb7 10.bc5 dc5 11.d5 (11.Rd1 cd4 12.ed4 e6=) 11...Qc7 (11...e6!?=) 12.0-0+= Rab8 13.a4 Ne8 (13...Rfd8 14.e4+=) 14.Bg7+- Ng7 15.Rfb1 e6 16.e4 f5 17.ef5 (17.Re1 fe4 18.Ne4 Rbe8+=) 17...Rf5 18.Nh4 (18.Bd3 Rf4=) 18...Re5= 19.de6?? (better 19.Re1 ed5 20.Ndf3=+) 19...Re2–+ 0–1. Choma,Juliana Luiza (1885) – Lukachewski Jr,Wanderlei, Championship Paranaense Absoluto, 2011. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 c5 7.Qb3 b6 8.Be2 Nbd7)

9.Nbd2 e6 10.0-0 Bb7 11.bc5 dc5 12.a4 (12.h3 Nh5+=) 12...Ne4 (12...cd4 13.ed4 Qc7 14.Rfe1+=) 13.Ne4+= Be4 14.Rfd1 cd4 (14...Rc8 15.Ra2+=) 15.ed4 Qc7 16.a5 (16.Qe3 Bc6+=) 16...Rab8 (16...ba5 17.Qa4=) 17.Qe3+= Bf3 18.Qf3 ba5 19.Bc3 e5 20.Qg3 Rb3 21.de5 (worse is 21.Ra5 Qa5 22.Ba5 Rg3 23.fg3 ed4+=) 21...a4 22.f4 g5 23.Qh3 (23.Qg4 Nc5 24.Rac1 a3+=) 23...Nc5 24.Bd3 (better is 24.Rd5!? Ne4 25.Ba5 Rh3 26.Bc7=) 24...Nd3–/+ 25.Rd3? (better is 25.Qd3 gf4 26.Qd4–/+) 25...Qc4–+ 26.Rad1 gf4 (better is 26...Qf4 27.Qd7–+) 27.Kh1? (27.Ba1 Rd3 28.Qd3 Qd3 29.Rd3 Rc8–+) 27...Qe6 (27...a3!? 28.Kg1 a2 29.Qf3–+) 28.Qf3 (28.Qh4 Qg6–+) 28...a3 (28...Be5 29.Be5 Rd3 30.Qd3 Qe5 31.Qa6–+) 29.Qe4 (29.Qf4 a2–+) 29...a2 30.Rd6 (30.Qf4 Rc8 31.Qd2 Rb1–+) 30...Qg4 (30...Rc3 31.Re6 fe6 32.Qa4+=) 31.h3 Qg3 32.R6d3 Qg6 (32...Rc3?! 33.Rg3 fg3 34.Qa4=) 33.Qc4 (33.Qa4 Rb1 34.Kh2 Rc8 35.Rd8 Bf8–+) 33...Rb1 34.Ba1 (34.Kh2 Rd1 35.Rd1 Qg3 36.Kg1 Rb8–+) 34...Qe6 (better is 34...Rfb8 35.R3d2 Rd1 36.Rd1–+) 35.Qf4 Rfb8 36.Kh2 (36.Kg1–+) 36...Ra1 37.Rd8 Rd8 38.Rd8= Bf8 39.Qg5 Qg6 40.Qe7 Qg7 41.Rf8= Qf8 42.Qg5 ½–½. Miles,Anthony J (2610) – Polugaevsky,Lev (2615), London, 1984.

7.Qb3 e5

8.Nc3 ed4= 9.ed4 Re8 10.Be2 c5 (10...Ne4 11.Ne4 Re4 12.Qc2=+) 11.0-0 cd4 (11...a5 12.bc5 a4 13.Qa3 dc5 14.d5+=) 12.Nd4+= Ne5 13.Nd5 (13.Rad1 a5+=) 13...Nd5 14.cd5 Bd7 15.Rad1 (15.Rac1 Ng4 16.Bg4 Bg4+=) 15...Rc8 16.Rfe1 a6 17.a4 b5 (17...Qh4 18.a5=) 18.a5 (better 18.ab5!? ab5 19.Nb5+/-) 18...Nc4 19.Bc3 Kh8 (19...Be5 20.Rd3=) 20.Rc1 (20.Bc4 bc4 21.Qb2 Kg8+=) 20...f5 (20...Qg5 21.Red1=) 21.Bc4 bc4 (21...Re1 22.Re1 Rc4 23.Ne2=) 22.Qb2 Bb5?? (better 22...Kg8+=) 23.Ne6+- Qd7 24.Bg7 (worse 24.Ng7 Re5 25.Ne6 Kg8 26.Be5 de5 27.Qe5 Re8+-) 24...Kg8 25.Bh6 (25.Bc3 h6+-) 25...c3 (25...Re7+-) 26.Qe2 (better 26.Rc3 Rc3 27.Qc3+-) 26...Be2-+ 27.Re2 c2! 28.Rec2 (28.Rcc2 Qa4 Double attack (28...Qa4 Decoy); 28.Rec2 Qa4 Double attack (28...Qa4 Decoy)) 28...Rc2 29.Rc2 Re6 (better 29...Qa4 30.Rc1 Qb4-+) 30.de6 Qe6 31.Kf1 (31.Rc1-+) 31...d5 (31...Qd5 32.Re2-+) 32.Re2 (better 32.Rc7!? d4 33.Rg7 Kh8 34.Ra7-/+) 32...Qd6-+ 33.Bd2 (33.Re8 Kf7 34.Rf8 Ke6 35.Re8 Kd7-+) 33...d4 (33...Qh2 34.Re6 Qh1 35.Ke2 Qg2 36.Ra6-+) 34.f3 (34.f4 Kf7-+) 34...d3 (34...Qh2 35.Re8 Kf7 36.Ra8-+) 35.Re3 Kf7 36.Kf2 Qd4 37.g3 f4 (37...g5!? 38.Kf1-+) 38.gf4 h6 39.Kg2 g5 (better 39...Qc4 40.Kf2 Qc2-+) 40.Re4?? (40.fg5 hg5 41.Kf1 Kf6-/+) 40...Qd5 (40...Qb2 41.Kg3 Qd2 42.b5-+) 41.fg5?? (better 41.Kf2 g4 42.f5-/+) 41...hg5 (better 41...Qa2 42.Kg3 Qd2 43.g6 Kg6-+) 42.Kg3 (42.Kf2 Qd7 43.Ke3 Qh3=) 42...Kg6 (better 42...Qd6 43.f4 g4-/+) 43.Kg4?? Attacks the isolani on g5 (better 43.Kf2=) 43...Qd7 (better 43...Qa2!? 44.Be1 Qh2 45.Re6 Kf7 46.Re4 Qg2 47.Kf5 Qf3 48.Ke5 Qf6 49.Kd5-+) 44.Kg3 Qf5?? (better 44...Qc7 45.Kh3 Qc2-+) 45.Kf2=+ g4?? (better 45...Qh3 46.Ke3 Qf1=+) 46.Ke3?? (better 46.Rg4 Kh7 47.Rh4 Kg8 48.Ke3+/-) 46...Qf3 (better 46...gf3 47.Be1 d2 48.Bd2 f2-+) 47.Kd4=+ Qf6 48.Re5. ClayPigeons (2130) - erdoganforever (2120), Rated Bullet game, lichess.org, 2019.

8.d5 e4 9.Nd4 Ne5 10.Nd2 Re8 11.h3 a6 12.Be2 Qe7 13.0-0 c6 14.Rfd1 Bd7 15.a4 h5 16.dc6 bc6 17.b5 c5 18.Nc2 g5 19.a5 g4 20.h4 Nf3? (better is 20...Ng6!?+=) 21.gf3+- (21.Bf3?! ef3 22.gf3 Qe6+=) 21...gf3 22.Nf3! ef3 23.Bf3 Rab8 24.b6 Ne4 25.Be4 Qe4 26.Bg7+/– Bh3 27.Ne1 Re6 28.f3 Rg6 29.Kf2 Qh4 30.Ke2 Rg7 31.Kd2 Be6 32.Kc2 Bc4+= 33.Qc3 d5 34.e4 Re8 35.Kb2 Qf4 36.Nc2 Rg5 37.Rg1 h4 38.Rg5 Qg5 39.Rh1 f5 40.Ne3 fe4= 41.fe4 Kh7 42.e5 Re5 43.Nc4 dc4 44.Rh4!+/– Qh4 45.Qe5 Qf2 46.Kc3 Qf1 ½–½. Nemec,Zdenek (2225) – McKenzie,Duncan (1925), 30. LSS No Engine Cup Final, 2011.

8.de5 de5

9.Be5? Ne5 10.Ne5 Ne4-+.

9.Ne5 Ne5 10.Be5+=.

9.Ne5 Re8 10.Nd7+/- Bd7 11.Be2 Be6 12.Nc3 c6 13.0-0 Qc7 14.Rac1 b5 15.Rfd1 Rad8 (15...Ng4 16.Bg4 bc4 17.Qc2 Bg4 18.f3+=) 16.a4 a6 17.Nb1 (17.h3 Rb8+/-) 17...Qb7 (17...ba4!? 18.Qa3 c5+=) 18.Rd8+/- Rd8 19.ab5 (19.Bd4 bc4 20.Bc4 Bc4 21.Rc4 Nd5 22.Bg7 Kg7+/-) 19...cb5 20.Qa3 (20.Bd4 bc4 21.Bc4 Qc7+/-) 20...bc4 (20...Bc4 21.Bc4 bc4 22.Bd4=) 21.Nc3 (21.Qa1 Qe7 22.Qa6 (22.Bc4? Bc4 23.Nd2 Bd5-+) 22...Qb4 23.Bc3+=) 21...Rb8 22.Na2 The isolani on c4 becomes a target 22...Rd8 (22...a5 23.Bc3= (23.Qa5? Ra8 24.Bf3 Nd5 25.Bg7 Ra5 26.ba5 Kg7-+; 23.Bc4?! ab4 24.Qb3 Qe7=)) 23.Bd4+= (23.Bc4? Bc4 24.Bd4 Ba2 25.Qa2 Nd5 26.Bg7 Kg7 27.Qa1 Kg8-+) 23...h5 (23...Rc8!?+=) 24.Bc4+/- Bc4 25.Rc4 Qe4 (25...Ne4 26.Qd3+/-) 26.Qb2 (26.Qa6!? Ne8 27.Nc3 Qd3+-) 26...Qf5 (26...Nd5 27.Qb3 (27.Bg7?? Nf4 28.f3 Qe3 29.Qf2 Rd1) 27...Nf4 28.f3 Ne2 29.Kf1 Nd4 30.Rd4+= (30.fe4?? Nb3 31.Ke1 Be5-+; worse 30.ed4 Qh4=+)) 27.h3 Rd4? (better 27...Ne4+/-) 28.ed4 (28.Qd4 Nd7 29.Rc8 Kh7+-) 28...Ne4 (28...Qe6 29.Qc1+-) 29.Nc1 (29.Nc3 Nd6 30.Rc6 Qd7+-) 29...Kh7 (29...Nd6 30.Rc6 Nb5 31.Qd2+-) 30.Nd3 (30.Qc2 Qd5 31.Ne2 Qb5+-) 30...Qg5 (30...Nd6 31.Rc6+-) 31.f4?? (31.Rc7 Nd6+-) 31...Qe7? (31...Qd5 32.Qc2 Bd4 33.Kh2 Be3=) 32.Qe2+- f5 33.Ne5 Qd6 (33...Qb7+-) 34.Rc6 (better 34.g4 Ng3 35.Qf3+-) 34...Qd5?? (better 34...Qd4 35.Kh2 Be5 36.fe5 Qe5 37.Kg1 Qd4 38.Kh2 Qe5 39.Kg1 Qd4 40.Kh2 Qe5=) 35.Qe3 (better 35.Rg6 h4 36.Qh5 Kg8 37.Ra6 Nd6+-) 35...Qa2?? (better 35...Be5 36.de5 Qc6-+) 36.Kh2+- (36.Ng6?! Qa1 37.Kh2 Bd4=) 36…Qb1 0-1. ClayPigeons (2195) - limterran (2210), Rated Bullet game, lichess.org, 2019.

8.de5 Ng4

9.Nbd2 Nge5= 10.Be2 Qe7 11.Rd1 b6 12.0-0 Bb7 13.Nd4 Qg5 14.N2f3 Nf3 15.Bf3 Bf3 16.Nf3 Qe7 17.Bg7 Kg7 18.Nd4 Ne5 19.Qc3 Kg8 20.Rfe1 a5 21.a3 ab4 22.ab4 Ra2 23.h3 (23.Re2 Re2 24.Ne2 Qh4=) 23...Qf6 (23...c5 24.bc5 dc5 25.Qb3=+) 24.Rf1 Rfa8 25.Kh1? (better 25.Qc1=+) 25...R8a3-+ 26.Qc1 Qh4 (26...Nd3 27.Rd3 Rd3 28.Kg1-+) 27.f4 (27.Nb5!? Nd3 28.Rd3 Rd3 29.Nc7-+) 27...Qg3 28.Rg1?? (28.Rd2 Nc4! 29.Ra2 Ra2 30.Nc2 Rc2 31.Qc2 Ne3 32.Qe4 Nf1 33.Qa8 Kg7 34.Qa1 f6 35.Qf1-+) 28…Ng4! (28...Ng4 29.Qa3 Nf2) 0-1. bjoernsen (2445) - Winningstreak (2445), Rated blitz game, lichess.org, 2021.

9.ed6+/- Bb2 10.Qb2 cd6 11.Be2+/-.

9.ed6+/- Nde5 10.dc7 Qc7 11.Ne5 Ne5 12.Be2 (12.Nc3!? Be6 13.Nd5 Qd8+-) 12...Be6 13.Nd2 b5 14.Rc1 Rac8 15.Be5 (15.cb5 Qc1 16.Bc1 Rc1 17.Qd1 Rd1 18.Kd1 Rd8-+) 15...Be5 16.Qc2 bc4 17.Bc4 (17.Nc4 Rfe8+/-) 17...Bc4 (better 17...Rfd8=) 18.Qc4?? (18.Nc4 Qb7 A) 19.Ne5?? Rc2 (19...Qb4?! 20.Ke2 Rc2 21.Rc2-+) 20.Rc2 Qg2-+; B) 19.0-0 Qb4 20.Rfd1+/- (20.Ne5?! Rc2 21.Rc2 Qe4=)) 18...Qb7 19.0-0 Rc4 20.Nc4 Bf6 21.a3 Rd8 22.Na5 Qe4 23.Rc7 Rd3 24.Nc4 Rc3 25.Nd6 Qd3 26.Rc3 Qc3 (better 26...Bc3 27.Nb7 Be5 28.g3-+) 27.Ne4 Qe5 28.f3 (28.Nf6 Qf6 29.Rd1 Qc3-+) 28...Be7 29.Rd1 (29.g4 f5 30.gf5 gf5-+) 29...Qb2 (better 29...f5!? 30.Nf2 Qe3 31.Kf1 Qa3 32.Nd3-+) 30.Rd7 Kf8 (30...Qe2!? 31.g3 Kf8 32.Nf2 Qf3 33.Nd1-+) 31.Ra7 f5 32.Ng3 Qc3 (better 32...Qa1 33.Nf1 Bb4 34.g3-+) 33.Nf1?? (33.Kf2 Qd2 34.Ne2 Bh4 35.g3 Bf6-+) 33...Bg5 (better 33...f4 34.Ra6 fe3-+) 34.f4 Be7 0-1. bjoernsen (2455) - NormWeinstein (2460), Rated blitz game, lichess.org, 2021.

7.Qb3 Re8

8.c5 d5 9.Bd3 c6 10.a4 e5 (10...b6 11.cb6 Qb6 12.a5+=) 11.de5+= Ng4 12.Nd4 (12.e6!? fe6 13.Bg7 Kg7 14.0-0+=) 12...Nge5+= (worse is 12...Re5 13.Nf3+=) 13.Be2 a5 14.Nd2 ab4 15.Qb4 Bf8 (15...Qe7 16.N4b3–/+) 16.N2b3+= b6 17.Qc3 f6 (17...bc5 18.Nc6 d4–/+) 18.cb6 (18.f4 Nc4 19.Bc4 dc4 20.Qc4 Kg7 21.cb6 Nb6 22.Qc6 Bd7+=) 18...Qb6= 19.0-0 c5 (19...Ba6 20.a5 Qb7 21.Ba3=) 20.Nb5+= Bb7 21.f4 (21.Rfd1 Rec8+=) 21...Nf7= 22.Bg4 f5 23.Bd1 Rac8 24.h4 (better is 24.Re1!?=) 24...Qe6–/+ 25.Kf2 (25.Na5 Ba8–/+) 25...Nf6 26.Bf3 (better is 26.Kg1 Ne4 27.Qc1–/+) 26...Ne4 27.Be4 Qe4 (27...d4 28.Nc5 Bc5 29.Qd3 Be4 30.Qe2 de3 31.Kg3–+) 28.Nd2 (28.Nd6 Qe3 29.Qe3 Re3 30.Ke3 (30.Nc8? Rb3 31.Be5 Bc8–+) 30...d4 31.Ke2 Bd6 32.Rf2–/+) 28...Qe7–+ 29.Nf3 d4! 30.ed4 cd4 31.Qd2 Bf3 32.Kf3?? (better is 32.gf3 Qe3 33.Qe3 de3 34.Kg1–+) 32…Rc2!! (32...Rc2 33.Bd4 Qe4 34.Kg3 Rd2–+) 0–1. Choma,Ernani Francisco – Franca,Ricardo Bedin, BRA–ch regional op, 2000. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.b4 d6 5.Bb2 Nbd7 6.e3 0-0 7.Qb3)

8.c5 e5 9.Bc4 Qe7 10.cd6 cd6 11.Nc3 Nb6 12.Bb5 (12.de5!? de5 13.Ne5 Nc4 14.Nc4+=) 12...Be6+= 13.Qc2 Rec8 14.0-0 a6 15.Bd3 (15.Be2!?+=) 15...Nfd5–/+ 16.Qd2 Nb4 17.Be2 Nc4 18.Bc4 Bc4 19.Rfb1 Nd3 20.Ba3 b5 21.de5 Ne5 22.Nd4 f5 23.Rd1 Bf7 24.Qe1 Nc4 25.Bc1 b4 26.Na4 Rab8 27.Rb1? (27.Qf1 Qe4–+) 27...a5 (27...Qe8 28.Nb2 Na3 29.Ra1–+) 28.Rb3 Qe8 29.Nb2 Ne5 30.f4 Bb3 31.ab3 Nc6 32.Nf3 Rd8 33.Qe2 Qe6 34.Qc2 d5 35.Ng5 Qe8 36.Qc5 h6 37.Nf3 d4! 38.ed4 Nd4! 39.Qc4 Kh7 40.Ne5 Rbc8 41.Qa6 Be5 42.fe5 0–1. Preuschoff,M – Movsziszian,K, Porz op, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Qb3)

8.Be2 b6 9.Nc3 Bb7 10.a4 (10.0-0 a5+=) 10...e5 (better 10...c5=) 11.c5?? (11.0-0 c5=) 11...dc5 (11...ed4 12.ed4 Bf3 13.gf3 dc5 14.dc5 bc5 15.b5-+) 12.bc5? (12.Bc4 ed4 13.Bf7 Kh8-+) 12...Rb8?? (12...Bf3 13.gf3 ed4 14.ed4 bc5 15.Rd1-+) 13.Bb5?? (13.Ne5 Ne5 14.de5 Re5=+) 13...c6?? (13...Bf3!? 14.c6 Bc6 15.Bc6 ed4 16.Nb5 de3 17.0-0-+) 14.Be2 (better 14.Bc4!? ed4 15.Bf7 Kh8 16.Nd4 Nc5 17.Qd1=+) 14...ed4-/+ 15.ed4 (15.Nd4 bc5 16.Nf3-+) 15...bc5-+ 16.Qc2 cd4 17.Nd4 c5 18.Ndb5 Nb6 (better 18...Bg2!? 19.Rg1 Bh3-+) 19.Rd1-/+ Qe7 20.0-0 Rbd8 (20...Nfd5 21.a5 Nf4 22.ab6-+) 21.Rfe1 (21.Rd8 Rd8 22.a5 Nbd5 23.Nd5 Nd5 24.Bg7 Nf4-/+) 21...Rd1 22.Qd1 Rd8 (22...a6 23.Nd6 Rd8 24.Ba6 Rd6 25.Re7 Rd1 26.Nd1 Ba6 27.Ra7=+) 23.Qc2 (23.Qa1 Ne8 24.Qc1=+) 23...Qd7 (23...a6 24.Na3-/+) 24.Kf1 (better 24.Rd1!? Nbd5 25.Nd5 Bd5 26.Qc5=) 24...a6-/+ 25.Na3 Qc6 (25...Re8 26.f3-/+) 26.Bf3 Qc7 27.Re3? (better 27.Bb7 Qb7 28.Kg1-/+) 27...Bf3-+ 28.Rf3 Nfd5 (28...Qh2 29.Rh3 Qf4 30.Rd3 Rd3 31.Qd3-+) 29.Ne4? (29.a5 Nc8 30.Nd5 Rd5-/+) 29...Nd7 (better 29...Bb2 30.Qb2 Qh2-+) 30.Bg7-/+ Kg7 31.Rd3 N7f6 (31...Qe5 32.Rd1 (32.Nc5?? Nc5 33.Nc4 Qh2-+) 32...N7f6 33.Nf6 Qf6 34.Kg1-+) 32.Qb2-/+ Qf4 33.Nf6 Qf6 34.Qd2?? (better 34.Qf6 Kf6 35.Nc4-+) 34...Qa1-+ 35.Ke2 (35.Qe1 Ne3!! 36.Re3-+) 35...Qe5 (better 35...Re8 36.Re3 Ne3 37.fe3 Qa3-+) 36.Kf3?? (better 36.Kf1-/+) 36...Qf5 (36...Nf6 37.Rd4 Rd4 38.Qd4 cd4 39.h4 Qe4 40.Kg3 Qg4 41.Kh2 Qf4 42.Kh3 Ne4 43.g3 Qf2 44.Kg4 Qg3) 37.Ke2 Qe5 (better 37...Nf4 38.Kd1 Rd3-+) 38.Kf1 (38.Kf3 Nf6 39.h3 Qe4 40.Kg3 Rd3 41.Qd3 Qd3 42.Kh2 Qa3-+) 38...Qa1 39.Qd1?? (39.Ke2 Re8 40.Re3 Ne3 41.fe3 Qa3 42.a5-+) 39...Qd1 (39...Ne3 40.fe3 Qd1 41.Rd1 Rd1 42.Ke2-+) 40.Rd1 Kf6 (better 40...Ne3! 41.fe3 Rd1 42.Ke2 Ra1-+) 41.Nc4-/+ Ke6 (better 41...h5-/+) 42.Ne3?? (better 42.Re1 Kf5 43.Rc1-/+) 42...Kd6 (better 42...Ne3 43.Ke2 Nd1-+) 43.Rd5+- Kc7 44.Rd8 (better 44.Rc5!? Kb6 45.Re5 f5+-) 44...Kd8 45.Nc4 Kc7 46.Ke2 Kc6 (46...f6 47.Kd3 Kc6 48.Nd2+-) 47.Kd3 (47.Ne5 Kd5 48.Nf7 Kc4+-) 47...Kd5 (47...f5 48.Ne5 Kd5 49.Nd7+-) 48.a5 Kc6 49.Kc3 (49.Ne5 Kb5+-) 49...Kb5 (49...f6 50.g4+-) 50.f3 (50.Nd6 Ka5 51.Nf7 Kb5+-) 50...f5 51.f4 g5? (51...Kc6 52.h3+-) 52.g3 (52.fg5 Kc6 53.h4 Kd7+-) 52...g4 (52...gf4 53.gf4 Ka4 54.Nd6+-) 53.Ne5 (53.Nd6 Ka5 54.Nf5 Kb5+-) 53...Ka5 54.Nf7 Ka4 (54...Kb6 55.Nh6+-) 55.Nh6 a5 (55...a5 56.Kc4 Ka3 57.Nf5 a4+-). ClayPigeons (2100) - amaradista (2085), Rated Bullet game, lichess.org, 2020.

8.Nc3 e5

9.Be2 ed4 10.Nd4 Ne5 11.h3 a5 (11...Qe7 12.0-0=) 12.a3 ab4 (12...Qe7 13.0-0=) 13.ab4 Ra1 14.Ba1 Bd7=. Sokolski – Koval, 1951.

9.de5 de5 10.Rd1 c6 11.c5 a5 12.a3 e4 13.Ng5 Qe7 14.Bc4 Ne5 15.Nce4? (better 15.Be2 Bf5 16.h3=+) 15...Ne4-+ 16.Ne4 Nc4 17.Bg7 Qe4 (17...Kg7?! 18.Nd6 Nd6 19.cd6-+) 18.Bh6 (18.0-0 Be6 19.Bd4-+) 18...Qg2 19.Qc4 (19.Rf1 Ne5 20.Qc3 Bg4-+) 19...Qh1 20.Ke2 Qh2 21.Qd4 (21.Qe4 Qh5 (21...Re4?? 22.Rd8 Re8 23.Re8) 22.f3 Be6-+) 21…Qh6 0-1. bjoernsen (2365) - sergeikim2003 (2500), Rated blitz game, lichess.org, 2023.

9.de5 Ne5 10.Be2 (10.Ne5 Re5 11.Nd5 Re8=) 10...Nf3 11.Bf3 Ng4 12.0-0 Ne5 13.Be2 Be6 (13...a5 14.a3=) 14.Nd5 c6 15.Nf4 Bf5 16.Rfd1 Qe7 17.Rd2 Rad8 18.Rad1 a6 (18...Be4 19.f3 Bf5 20.e4+=) 19.a4 Rd7 (19...Qc7 20.a5+=) 20.a5 Red8 (20...h6 21.f3+=) 21.b5 h6 22.Qb4 Kh7 23.h3 Be4 24.f3 Bf5 25.g4 Be6 26.Ne6 fe6 27.ba6 ba6 28.f4 c5 29.Qb6 Nc4 30.Bc4 Rb7 31.Qa6 Rb2 32.Rb2 Bb2 33.Qb6 Bg7 34.a6 d5 35.Bb5 Rf8 36.Bc6= e5 37.f5 e4?? 38.Bd5 gf5+= 39.Kg2 fg4 40.hg4 Qh4 41.Be4 Kh8 42.Bf5 Be5 43.Qb7 Qh2 44.Kf3 Qh3 45.Ke2 Qh2 46.Kf1 Qh3= 47.Qg2 Qe3 48.a7 Qf4 49.Kg1 Qe3 50.Kh1 Qa3 51.Qe4 Re8 52.Be6 Qh3 53.Kg1+= Qh2 54.Kf1 Qh3 55.Ke2+/– Qh2 56.Kd3 c4 57.Kc4 Qa2+= 58.Kb5 Qe6 59.a8Q Qb3 60.Kc5 Qc3 61.Kb5 (61.Kd5 Qb3 62.Kc6 Ra8 63.Qe5 Kg8 64.Qd5 Qd5 65.Rd5 Kf7=) ½–½. Stadler,Pavel – Norman,Nigel, WC–2010–P–00002, 2006.

8.Nbd2 e5

9.d5 a5 10.a3+=.

9.d5 Nh5 10.Ne4 (10.g4 e4 11.Ne4 Nhf6 12.Nf6 Bf6+=) 10...f5 (10...a5 11.a3+=) 11.Nc3 (11.Neg5 Nf8 12.h4 h6+=) 11...Ndf6 (11...e4!? 12.Nd4 Bd4 13.ed4 a5–/+) 12.Nd2 (12.Be2 a5=) 12...f4+= 13.0-0-0 (13.Be2!?+=) 13...Ng4 14.Nce4 Bf5 (14...a5 15.c5–/+) 15.h3+= Ngf6 16.Nf6 Nf6 (worse is 16...Qf6 17.ef4 Bc8 18.fe5 Qf2 19.e6 Bb2 20.Qb2+=) 17.g4 (17.Bd3 Bd3 18.Qd3 Bh6+=) 17...fg3!–/+ 18.fg3 Ne4 19.Rg1 (19.g4!? Nf2 20.gf5 Nh1 21.fg6 hg6 22.Bd3–/+) 19...Nf2–/+ 20.Re1 Ne4 (20...a5!? 21.e4 Bh3–/+ (worse is 21...Nh3 22.Bh3 Bh3 23.g4+=)) 21.Bg2 (21.Rd1!?=) 21...Nd2–/+ (21...Ng3? 22.e4+-) 22.Kd2 Qg5 (22...a5 23.ba5 Ra5 24.g4–/+) 23.g4 Bd7 24.Rgf1 Rf8 25.Be4 (25.Kc1!?–/+) 25...Qh4 26.Bg2 Qg3 (26...Rf1 27.Bf1 Rf8 28.c5 Rf2 29.Kd1–+) 27.Re2–/+ Rf1 28.Bf1 Rf8 29.Qd1 Bh6 30.Qe1 Qg1 31.Bg2 Be3! 32.Re3?? (better is 32.Kd3–/+) 32...Qg2–+ 33.Kd3 (33.Re2 Qh3 34.Rf2–+) 33...Qb2 34.Re2 (34.Qc3 Qg2 35.Qe1 Ba4–+) 34...Qd4 (34...Rf3 35.Re3 Qd4 36.Kc2 Ba4 37.Rb3 Qc4 38.Kd2 Bb3 39.ab3 Qc3 40.Kd1 Rd3 41.Ke2 Re3 42.Kf2 Qe1 43.Kg2 Rg3 44.Kh2 Qg1) 35.Kc2 Qc4 36.Kb2 (36.Kb1 Bb5 37.Rc2 Qd4–+) 36...Qd5 (better is 36...Rf3 37.Rc2 Qd4 38.Kb1–+) 37.Rc2 (37.Rd2 Qb5 38.a3 Rf3–+) 37...Qd4 (better is 37...Be6 38.Kc1 Qb5–+) 38.Kb1 (38.Qc3 Qe4 39.Qb3 d5–+) 38...Bc6 (better is 38...Ba4 39.Rh2–+) 39.Kc1 Qa1 (better is 39...Rf1! 40.Qf1 Qa1 41.Kd2 Qf1 42.Kc3–+) 40.Kd2 Qe1 41.Ke1 Rf3 42.Rh2 (42.h4 Rg3 43.g5 Rg4–+) 42...Ra3 0–1. queensservant (1745) – wstooncan (1740), gameknot.com, 2013. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d6 5.Bb2 0-0 6.Qb3 Nbd7 7.e3 Re8)

9.de5 de5 10.Rd1 c6 11.c5 a5 12.a3 ab4 13.ab4 (worse 13.Qb4 Nd5 14.Qc4 Qa5=+) 13...Qe7 14.Bc4 e4 15.Ng5 Rf8 16.0-0 (16.Qc2!?+/-) 16...h6= 17.Nh3 Ne5 18.Nf4 g5? (18...Nc4 19.Nc4 Bg4 20.Rd6+=) 19.Ne2?? (better 19.Be5 Qe5 20.Ng6+-) 19...Nc4 20.Nc4 Be6 21.Nd4 Bd5 22.Qc2 Ng4 (22...Bc4 23.Qc4 Qe5 24.Rd2+=) 23.h3 (better 23.Nf5!? Qc7 24.Ncd6+-) 23...Bc4+/- 24.Qc4 Ne5 25.Qb3 (25.Nf5 Nc4 26.Ne7 Kh7 27.Bg7 Kg7+/-) 25...Bf6 (better 25...Qf6!?+=) 26.Nf5+/- Qe6 27.Nh6 Kg7 28.Qe6 fe6 29.Be5 Be5 30.Ng4 Bc3 31.Rd7 Rf7 32.Rfd1 Bb4 33.Rf7 Kf7 34.Rd7 Kg6 35.Rb7 Bc5 36.g3 (36.Ne5 Kf5 37.Nc6 Kf6+/-) 36...Ra7 (36...Ra6 37.Ne5 Kf5 38.Nc4=) 37.Rb8 (better 37.Ra7!? Ba7 38.Ne5 Kf6 39.Nc6+/-) 37...Bd6= 38.Rc8 c5 39.Rc6 Rd7 (39...Ra1 40.Kg2 Rd1 41.f4 ef3 42.Kf3+=) 40.Kf1 (better 40.Rc5! Bc5 41.Ne5 Kf5 42.Nd7+/-) 40...Kf5= 41.Ke2 Be7 42.Nh6 (42.f3 Rb7+=) 42...Ke5= 43.Ng4 Kd5 44.Rc8 c4 (44...Ra7 45.Kd2=) 45.Kd2 (better 45.Rc4! Kc4 46.Ne5 Kc5 47.Nd7 Kd6 48.Nb6+/-) 45...Ra7= 46.Kc3 The isolani on c4 becomes a target 46...Ra3 47.Kc2 Ra2 48.Kc3 Ra3 49.Kc2 Ra2 50.Kb1 Ra3 51.Rc7 Rb3 52.Kc2 Bd6 (52...Ba3 53.Rd7 Kc5 54.Nf6 Rb2 55.Kd1 Rb1 56.Ke2 Rb2 57.Kf1=) 53.Rc8 (53.Nf6 Ke5 54.Rc4 Rb4 55.Ng4 Kf5+/-) 53...Ra3? (53...Be7!?+=) 54.Nf6+/- Ke5 55.Nd7 Kd5?? (better 55...Kf5 56.Rc6 Bb4 57.Rc4 Be1+-) 56.Nb6+- Ke5 57.Nc4 (57.Nc4 Kd5 58.Na3 Ba3 59.h4 gh4 60.gh4+-) 1-0. bjoernsen (2445) - adamiva5 (2430), Rated blitz game, lichess.org, 2022.

9.de5 de5 10.Rd1 Qe7 11.c5 c6 (11...a5 12.a3 e4+=) 12.Nc4+= The pressure on e5 grows 12...e4 13.Ng5 h6 14.Nh3 Nf8 15.Nd6 Bh3 16.gh3 Red8 17.Bc4 Ne6 18.Be6 fe6 19.Rg1 Kh7 20.Bf6 Qf6 21.Ne4 (21.Rd4 Rf8 22.Qc2 a5 23.ba5 Ra5 24.Ne4 Qf5=) 21...Qf5 (21...Rd1!? 22.Qd1 Qb2=) 22.Nd6+= Qh3 23.Qd3 Qh5 24.Qe4? (24.a3=) 24...e5?? (better 24...Bc3 25.Rd2 e5-+) 25.Rg2 Bf8 26.Qc4 Rd7 27.Qe6 Rad8 28.Rd3 Bd6? (better 28...Bg7+=) 29.Rd6+- (worse 29.cd6 Qf5 30.Qf5 gf5-/+) 29...Qf5 30.Rg6 Qb1?? (30...Qe6 31.Rge6 Rd6 32.Rd6 Rg8+-) 31.Ke2 Qc2 32.Kf1 Qb1 (32...Qd3 33.Rd3 Re8 34.Rd7 Re7 35.Qg8) 33.Kg2 Qe4 (33...Qg1 34.Kg1 Rc7 35.Rh6 Kg7 36.Qf6 Kg8 37.Rd8) 34.f3 (34.Kg3 Qf3 35.Kf3 Rf8 36.Ke4 Rdf7 37.Rh6 Kg8 38.Rg6 Kh8 39.Qe5 Kh7 40.Qh5) 34...Qc2 (34...Rg7 35.Rg7 Kh8 36.Qh6 Qh7 37.Qh7) 35.Kh3 Qg6 36.Qg6 Kh8 37.Qh6 Kg8 38.Rg6 Kf7 39.Qh7 Ke8 40.Rg8 1-0. bjoernsen (2440) - imdejong (2495), Rated blitz game, lichess.org, 2022.

9.de5 Ne5 10.Be2 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Ne4 14.Ne4 Nf3 15.Bf3 Ba1 16.Nc3 c5 17.0-0 Bc3 18.Qc3 cb4 19.Qb4 Qc7 20.Rd1 Be6 21.Qd6 Qd6 22.Rd6 Rc8 23.Bb7 Rc4 24.h3 h5 25.Kh2 Kf8 26.Bd5 Bd5 27.Rd5 Rc2 28.Kg3 Kg7 29.f4 h4 30.Kf3 f5 31.Rd7 Kh6 32.g4 hg3 33.Kg3 Rc1 34.Re7 Rg1 35.Kf2 Rh1 36.Kg2 Re1 37.h4 Re2 38.Kg3 Re1 39.h5 gh5 40.Re6 Kg7 41.Kh4 Kf7 42.Rh6 Re3 43.Kg5 Rh3 44.Kf5 h4 45.Rh7 Kg8 46.Rh5 ½–½. Grundherr,Martin (2325) – Bezler,Rainer (2225), AUT–chT2W, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Qb3 Re8)

8.Be2 e5

9.0-0=.

9.de5 Ne5 10.Ne5 de5 11.0-0 b6 12.Rd1 Qe7 13.Nc3 Bb7 (13...a5 14.b5+=) 14.Nd5 Nd5 15.cd5 (worse 15.Rd5 a5-/+) 15...Rad8 16.e4 (16.Rac1 Qd6 17.Bb5 Rf8+/-) 16...Qg5 (16...c6 17.b5 cd5 18.ed5+=) 17.a4 (17.Rac1 Re7 18.Rc3+/-) 17...f5? (17...c6!?+=) 18.d6 (18.Rac1!? Kh8 19.Rc7+-) 18...Kh8+/- 19.dc7 Rd1 20.Rd1 Be4 (20...Qe7 21.ef5 gf5 22.Bb5+-) 21.g3 (21.f3 Bc6 22.Ba6 Qf6+-) 21...Qe7 22.Qc3?? (better 22.Bb5 Rc8 23.Rd7 Rc7 24.Re7 Re7 25.f3+-) 22...Rc8+= 23.Rc1 Bb7 24.Bb5 (better 24.a5+=) 24...e4? (better 24...a6 25.Be2 Qd7+=) 25.Qg7+- Qg7 26.Bg7 Kg7 27.Bd7 Rf8 28.c8Q Bc8 29.Rc8 Rf7 (29...Rc8 30.Bc8 Kf6 31.b5+-) 30.Bb5 Kf6 31.Kf1 Ke5 Black prepares the advance f4 32.Ke2 f4 (32...Re7 33.Bc6+-) 33.gf4 (33.Re8 Kd5+-) 33...Kf4 34.Rc6 (34.Bc6 Re7+-) 34...Rf5 (34...Ke5+-) 35.Rc7 Rh5 36.Ra7 Rh2 37.Rf7 Ke5 38.a5 ba5 39.ba5 Rh1 40.a6 h5 (40...Ra1 41.a7 Ra2 42.Ke3 Ra3 43.Kd2 Kd5 44.Rh7 Kc5+-) 41.a7 Ra1 42.Rg7 (42.Bc6 Ra2 43.Kf1 g5+-) 42...Kf6 (42...Kd5 43.Ke3 h4 44.Be8+-) 43.Rc7 (better 43.Rd7 Ra2 44.Ke3+-) 43...h4 (43...Ke5 44.Rd7 Ra2 45.Kf1 Ra1 46.Kg2 Ke6+-) 44.Bc6 (better 44.Rc6 Kg7 45.Ra6 Ra6 46.Ba6 e3+-) 44...Ke5 45.Re7 (better 45.a8Q Ra8 46.Ba8+-) 45...Kd6 46.Re4?? (better 46.a8Q Ra8 47.Ba8 Ke7 48.Be4+-) 46...Kc6= 47.Rh4 Ra7 48.Rh6 Rg7 49.Kf3 Kd6 50.Kg4 Ke6 51.f4 Kf6 52.Rh8 Rf7 53.Ra8 Kg7 (53...Rd7 54.Ra6 Kf7 55.Kf3=) 54.Ra6 Rf6 55.Ra7 Kh6 (55...Rf7 56.Ra5=) 56.Ra5 (56.Rd7 Rb6=) 56...Kg7 (56...Rd6 57.Ra8=) 57.Ra4 (57.Rd5 Rf5 58.Rd7 Kf6 59.Rd6 Kf7=) 57...Rf7 58.Ra3 Rf6 59.Ra2 Rf7 60.Ra6 Rf6 61.Ra7 Rf7 62.Ra1 Rf6 63.Rc1 Rf7 (63...Rd6 64.Rc7 Kf6 65.Rc8=) 64.Rd1 Rf6 65.Kg5 Rf7 66.Kg4 Rf5 67.Re1 Rf7 68.Kg5 Rf5 69.Kg4 Rf7 70.Rg1 Rf5 71.Rh1 Rf7 72.Rh4 Rf5 73.Rh2 Rf7 (73...Rd5 74.Rh1=) 74.Re2 (74.Rd2 Rf5=) 74...Kf6 75.Re4 Re7 76.Rd4 Re6 77.Rd5 Re1 78.Kf3 Rf1 79.Kg3 Rg1 80.Kf3 Re1 81.Kg4 Re6 82.Rd7 Re7 83.Rd6 Re6 84.Re6 Ke6 85.Kg5 Kf7 86.Kh6 Kf6 87.Kh7 Kf5 88.Kg7 g5 89.fg5 Kg5 ½-½. SSAARR (2045) - Kramikaze (1940), Rated Blitz game, lichess.org, 2014.

9.de5 Ne5 10.Ne5 de5 11.0-0 c6 12.Rd1 Qc7 13.c5 Be6 14.Bc4 Bc4 15.Qc4 Nd5 16.Nc3 Nc3 17.Bc3 Rad8 18.e4 Kf8 19.f3 f6 20.Kf2 Bh6 21.a3 Rd7 22.Rd7 Qd7 23.Ke2 Rd8 24.a4 a6 25.Re1 Ke7 26.Rb1 White plans b5 26...Bf4 27.g3?? (27.h3 Kf8=) 27...Bh6?? (better 27...Qh3!? 28.Rf1 Qh2 29.Rf2-+) 28.b5? (better 28.Rh1=) 28...ab5 29.ab5 Qh3 30.Rf1 Qh2 31.Rf2 Qg1 (31...Qg3?! 32.Ba5 Ra8 33.bc6 bc6 34.Qb3-/+) 32.Qb3 Rd7 (32...Rd3 33.Kd3 Qf2 34.Qd1 Qc5 35.Qh1 Qb5 36.Kc2 Qe2 37.Kb3-+) 33.f4?? (33.Be1 cb5 34.Rf1 Qg2 35.Rf2=) 33...ef4 (better 33...Qg3!? 34.bc6 bc6 35.Qc2-+) 34.gf4 Qg4 35.Ke3? (35.Rf3 Bf4 36.bc6 bc6 37.Qb1-+) 35...Qg3 36.Rf3 (36.Ke2 Rd2!! 37.Kd2 Qf2 38.Kd3 Qf3 39.Kc2 Qe4 40.Kb2 Bf4 (40...Qf4?! 41.bc6 Qf2 42.Ka3 Bc1 43.Ka4 Qf4 44.Ka5 Qc7 45.Qb6 Qc6 46.Qc6 bc6 47.Kb6-+) 41.bc6 Qc6-+) 36...Bf4 37.Ke2 Qg2 38.Rf2 Qe4 39.Kf1 Qh1 (39...Rd3 40.Bf6 Kf6 41.Qb2 Kf7 42.Qa2 Kf8 43.Rf4 Qf4 44.Qf2-+) 40.Ke2 Bg5 41.Qa4 (41.bc6 bc6 42.Be1 Kf8-+) 41...Kf7 42.Qc4 Kg7 43.Qb3 (43.Rf6 Bf6 44.Bf6 Kf6 45.Qf4 Ke6 46.Qe3 Kf5-+) 43...Qe4 (better 43...Re7 44.Be5 Re5 45.Kd3 Qe4 46.Kc3 Qe3 47.Kb2 Qf2 48.Qc2 Qd4 49.Ka3 Re3 50.Qb3 Qa1 51.Kb4 Re4 52.Qc4 Qa2 53.bc6 Qc4 54.Ka5 Qc5) 44.Kf1 Qh1 45.Ke2 Re7 (45...Re7 46.Be5 Re5 47.Kd3 Qe4 48.Kc3 Qe3 49.Kb2 Qf2 50.Qc2 Qd4 51.Qc3 Bc1 52.Kc2 Re2 53.Kb3 Qd1 54.Kb4 Re4 55.Qc4 Qd2 56.Ka4 Rc4 57.Kb3 Rb4) 0-1. bjoernsen (2410) - Lukoje (2485), Rated blitz game, lichess.org, 2022.

9.de5 Ne5 10.Ne5 de5 11.0-0 Qe7 12.Nc3=.

7.Qc2 Re8

8.Nc3 e5=.

8.Nbd2 e5 9.de5 Ne5 10.Ne5 de5 11.c5 Bf5 Black intends e4 12.Qb3 (12.e4 Bg4+=) 12...Be6 (12...Qe7 13.Bc4=) 13.Bc4= Bc4 14.Nc4 e4 15.Rd1 Qe7 16.0-0 Rad8 17.h3 Nd7 (17...Qe6!?=) 18.Bg7+/- Kg7 19.Rd2 (19.Na5 Ne5 20.Nb7 Rb8+/-) 19...Ne5 20.Rfd1 Rd2 21.Rd2 Nd3 22.Qc3 (22.Nb2!? Ne5 23.Qc3+=) 22...Qf6= 23.Qf6 Kf6 24.f3 Nb4 25.Rb2 Nd3 (25...Nd5 26.Rb7 ef3 27.gf3 Ne3 28.Nd2=+) 26.Rb7= ef3 (worse 26...Nc5 27.Rc7 (27.Ra7?! Re7=) 27...Ne6 28.Ra7 ef3 29.gf3+/-) 27.gf3 Nc5 (better 27...Ke6!? 28.Rc7 Kd5+=) 28.Rc7+/- (28.Ra7?! Re7=) 28...Ne6 (28...Nd3 29.Ra7 Re6 30.Kf1+/-) 29.Ra7 Rd8 30.Kf2 Rd3? (30...Nc5 31.a4+/-) 31.Ke2 (31.Rf7! Kf7 32.Ne5 Ke7 33.Nd3 Ng5+-) 31...Rc3 (31...Rd8 32.a4+-) 32.Nd2 (32.Nd6!? Nc5+-) 32...h5?? (better 32...Nc5+/-) 33.Ne4+- (33.Ne4 Ke5 34.Nc3+-) 1-0. cipiripi (2350) - shaf (2205), Rated Blitz game, lichess.org, 2015.

8.Be2 a5 9.b5 b6 10.Nc3 Bb7 11.0-0 e5 12.Rfd1 ed4 13.Nd4 Ne4 14.Nd5 Nec5 15.Nb3 Nb3 16.ab3 Bd5 17.Rd5 Bb2 18.Qb2 Qf6 19.Qf6 Nf6 20.Rd4 Rad8 21.Bf3 Nd7 22.Kf1 Nc5 23.Ra3 Kg7 24.Bd5 Re7 25.g3 f5 26.h4 Rf8 27.Kg2 Kf6 28.Bc6 Kg7 29.Rd2 Kf6 30.Rb2 Nd3 31.Rb1 Nb4 32.Bf3 h6 33.Raa1 Kg7 34.Rd1 Kf6 35.Rac1 Kg7 36.Rd4 Re5 37.Kf1 Re6 38.Ke2 Ref6 39.Kd2 Kh8 40.Bg2 Kg7 41.Re1 Re8 42.f4 Rfe6 43.Bf3 h5 44.Re2 R8e7 45.e4 fe4 46.Rde4= Re4 47.Re4 Re4 48.Be4 Kf6 49.Ke3 Na2 50.Bc2 Nb4 51.Bb1 Kg7 52.Kd4 Kf6 53.Ke4 Ke6 54.Kf3 Kf6 ½–½. Topolewski,Dirk – Genkin,Michael, Bad Zwesten op 2nd, 1998. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.e3 Nbd7 7.Qc2 Re8)

8.e4 a5 9.a3 –/+.

8.e4 Nh5 9.Nbd2 e5 10.de5 (10.c5 d5 11.0-0-0 ed4 12.Bd4 Bd4 13.Nd4 a5–/+) 10...a5 (10...Ne5 11.Ne5 Be5 12.Be5 Re5 13.Nf3–/+) 11.b5 (11.ed6 Bb2 (worse is 11...ab4 12.Bg7 Kg7 13.c5=) 12.Qb2 ab4 13.Qb4 Qf6–/+) 11...Nc5 (11...Ne5 12.Ne5 Be5 13.Be5 de5 14.Nf3–/+) 12.Ba3 (12.0-0-0 Qe7 13.Nb3 Na4–/+) 12...Nf4 (12...Ne6 13.g3+=) 13.Rd1 Qe7 (13...Be5? 14.Bc5 dc5 15.Ne5 Re5 16.Nf3+/–) 14.h3 (14.Bc5 dc5 15.Qc3 Bg4+=) 14...Be5 (14...de5!? 15.g3 Nfe6–/+) 15.Bc5= dc5 16.Ne5 Qe5 17.g3 Nh5 (17...Ne6 18.Nf3 Qf6 19.Bg2=) 18.Bg2 Ng3 19.fg3 Qg3 20.Kf1 Be6 21.Qb3 Qh4 22.Qe3 Rad8+= 23.Re1 f5 24.Re2= Rf8 25.Kg1 f4 26.Qf2 Qg3 27.Qg3 fg3 28.Bf1 Rf4 29.Kg2 Rd3 30.e5 Bf5+= 31.Kg1 a4 32.Ne4?? Re4–+ 33.Re4 Be4 34.Bd3 Bd3 35.h4 Bc4 36.h5 Ba2 37.hg6 a3 38.gh7 Kh8 39.Rh4 Bb3 40.Re4 a2 41.Re1 Kh7 42.Kg2 Kg7 43.Kg3 Bc2 44.Ra1?? Bb1 45.Kf3 Kf7 46.Ke3 Ke6 47.Kd2 Ke5 48.Kc3 Kd5 49.Kb3 Kd4 50.Kb2 c4 51.Kc1 Kc3 (51...Kc3 52.Kd1 Kb2 53.Ra2 Ba2 54.Kd2 c3 55.Kd3 c2 56.b6 c5 57.Ke4 c1Q 58.Kf3 Qg5 59.Ke2 Qf4 60.Kd1 Bc4 61.Ke1 Kc3 62.Kd1 Qd2) 0–1. Puoli,Hernan (2350) – Karacsony,Elemer (2340), Argentina – Romania, 2008. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.Nf3 0-0 5.b4 d6 6.Bb2 Nbd7)

8.Be2 e5

9.Nc3 a5 10.b5 c5 11.de5 de5 12.Nd2 Nf8 13.0-0-0 Bf5 14.Nde4 Be4 15.Rd8 Bc2 16.Ra8 Ra8 17.Kc2 Rd8 18.Bf3 b6 19.Na4 N6d7 20.Rd1 Bf6 21.Bc6 Be7 22.g4 h6 23.h3 f6 24.Nc3 Kf7 25.f4 Kg7 26.Na4 Kf7 27.fe5 fe5 28.Rf1 Kg7 29.Bd5 Bf6 30.h4 Nh7 31.g5 hg5+= 32.hg5 Bg5 33.Rf7 Kh6 34.Bc6 Nhf8 35.e4 Bf4 36.Nc3 g5+= 37.Nd5 Kg6 38.Rf5 Bh2 39.Ne7 Kh5 40.Rf7 Bf4 41.Nd5 Kh4 42.Bc3 Kh3 43.Be1 g4 44.Bd7 Nd7 45.Rh7 Kg2 46.Bh4 Nf8 47.Bd8 Nh7 48.Bb6 Ng5 49.Nf6 Kf3 50.Bc5 Ne6 51.Bg1 g3 52.b6 Nd8 53.Nh5 Ke4+= 54.Kc3 g2 55.Nf6 Kf3 56.Kd3 Nc6 57.Ne4?? Nb4 58.Kc3 Ke4 59.c5 Be3 60.Bh2 Kd5 0–1. Willsch,Matthias – Kreuzholz,Michael, Regionalliga NordN, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7)

9.Nc3 c6 10.0-0 e4 11.Nd2 Qe7 12.a4 Nf8 13.a5 Bf5 14.c5 a6 15.cd6 Qd6 16.Nc4 Qc7 (16...Qb4?? 17.Ba3 Qa3 18.Ra3+-) 17.Rfc1 Rad8 18.Nd2 h5 19.Nf1 h4 20.Ba3 N8h7 21.Nb1? (better is 21.h3!?=) 21...Qd7 22.Nbd2 Ng5 Black prepares the advance h3 23.Qd1 h3 24.g3 Bg4 25.Rc5 Be2 26.Qe2 Nd5 27.Rac1 Bf8 28.R5c4 Qf5 29.Nb1 Nf6 30.Nfd2 Ng4 31.R4c2 Re6 32.Rf1 Rf6 33.Rc3 Qe6 34.Rc2 Qf5 35.Rc3 Qe6 36.Rc2 Rf3 ½–½. Dolezal,Ra1 (2405) – Maslak,A (2180), 26th Czech Rapid G1, 2015. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.c4 Nbd7 7.Qc2 Re8 8.Be2 e5)

9.de5 Ne5 10.Ne5 de5 11.Nc3 Qe7 12.b5 a6 13.0-0 ab5 14.cb5 Be6 15.a4 Qb4 16.Ba3 Qh4 17.e4 h5 18.Bc1 Ng4 19.h3 Nf6 20.Qd2 (better is 20.a5!?+=) 20...Ne4= 21.Ne4 Qe4 22.Bf3 Qc4 23.Bb7 Ra4 24.Ra4 Qa4 25.Bc6 Rb8 26.Qg5? (better is 26.Re1+=) 26...Bc4–+ 27.Qh4 Qb3 (27...Rb5?! 28.Be3 Qa2 29.Bb5 Bb5 30.Rd1=) 28.Re1 Bb5 29.Bb5 Qb5 (29...Rb5?! 30.Qd8 Kh7 31.Qc7–/+) 30.Be3 (30.Qe4 Qb4 31.Qe3 Rd8–+) 30...Qb4 31.Qb4 Rb4 32.Rc1 Rb7 33.Kf1 Bf8 34.Ke2 Bd6 35.Kd3 f5 36.Bg5 Kf7 37.Rc2 Ke6 38.Ra2 Kd5 39.Bc1 e4 40.Kc2 Rb6 41.Be3 c5 42.g3 Be5 0–1. Karimi,Hamid – Kanan Azer,Nasser (2180), IRI–ch Arak, 1998. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Qc2 Re8)

7.Nc3 a5

8.a3 e5 9.b5 ed4 10.Nd4 Nc5 11.Be2 Be6 12.Ne6 (12.Na4 Nfd7=) 12...fe6 13.Bf3 (13.0-0 Nfd7=) 13...Nfd7+= 14.Qc2 (14.Be2 Qh4 15.0-0 a4=) 14...Ne5 (14...Qh4!? 15.0-0 Qc4–/+) 15.Be2+= Qh4 16.g3 Qh3 17.Bf1 (17.f4 Ng4 18.Bg4 Qg4+=) 17...Nf3 (17...Qf5 18.Qf5 Rf5 19.Rd1 Nf3 20.Ke2–+) 18.Kd1 Qg4 19.Qe2 (19.h3 Qh5 20.Be2 Rad8–/+) 19...Ne4 (better is 19...Ne5 20.f4 Nc4 21.Qg4 Ne3 22.Ke2 Ng4–+) 20.Kc2?? (better is 20.h3 Qf5 21.g4 Nc3 22.Bc3+=) 20...Nc3 (better is 20...Bc3 21.Bc3 Nf2 22.Kb2 Nh1 23.Qg2 Nh2 24.Be2 Qg3 25.Qe4–+) 21.Bc3 Bc3 22.Kc3–/+ Qe4 23.Bg2 Qe5 24.Kb3?? Nd4!–+ 25.Ka2 Ne2 26.Bb7 Nc3 27.Kb3 Rad8 28.Rhe1 Rf2 29.Rac1 Ne4 30.Red1 Qb2 31.Ka4 Nc3 32.Rc3–+ Qc3 33.Rb1 Ra2 34.Rb3 Qd2 35.Bc6 d5 36.cd5 ed5 37.h3 d4 38.e4 d3 39.Bd5 Rd5! 40.ed5 Rc2 41.d6 Rc4 42.Rb4 ab4 (42...ab4 43.Ka5 Qf2 44.Ka4 b3 45.Kb3 Qc2#) 0–1. eddieteijeiro (2325) – waldokitty (2160), net–chess.com, 2010. (=1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e3 0-0 5.Nf3 d6 6.b4 Nbd7 7.Bb2)

8.a3 ab4 9.ab4 Ra1 10.Qa1 b6 11.Be2 Bb7 12.0-0 Qc8 13.d5 c6 14.Rc1 cd5 15.Nd5 Qd8 16.Nf6 Nf6 17.h3 Qd7 18.Rd1 Qe6 (18...Ra8 19.Qc1=) 19.Nd4 Qe4?? (better is 19...Qc8+=) 20.Bf3+- (20.Bf3 Ra8 21.Qc1+- (21.Be4?! Ra1 22.Ra1 Be4+-)) 1–0. Fournier,Frederic – zalo (1655), Active, 2007.

8.ba5 Re8=+ 9.h3 Ra5 10.a4 e5 11.de5 (11.Be2 ed4 12.ed4 Nh5=+) 11...de5 (11...Ne5 12.Be2–/+) 12.e4 (better 12.Be2!?=+) 12...Nc5–+ 13.Be2 (13.Qd8 Rd8 14.Nd2–+) 13...Qd1 (13...Nce4?! 14.Qd8 Rd8 15.0-0–+) 14.Bd1?? (14.Rd1 Nfe4 15.Nd5 Na4 16.Ba3–+) 14...Nd3 15.Ke2 Nb2 16.Bb3 Rc5 17.Nd2 (17.Rhc1 Be6 18.Nd2 c6–+) 17...Bh6 18.f3 (18.Nd5 Nd5 19.ed5 Bf5–+) 18...Rd8 19.Nd5 Nd5 20.cd5 b6 21.h4 (21.Nb1–+) 21...Ba6 22.Ke1 (22.Kf2 Bd2 23.Kg1 Rc3–+) 22...Nd3 23.Kd1 (23.Ke2 Nc1 24.Kd1 Bd2–+) 23...Nf2 24.Ke1 Nh1 25.g4 Be3 26.h5 Bf2 27.Kd1 Ng3 28.hg6 Be2 0–1. valerypavlovich – marekt, net–chess.com (1), 2019.

8.b5 c6 9.a4 (9.h3 Nb6=) 9...cb5 (9...Nb6 10.Ng1=) 10.ab5 (10.Nb5 Ne8=) 10...b6 11.Bd3 (11.Nd2 e5 12.de5 de5=) 11...Bb7 12.0-0 (12.e4 Bh6=) 12...Re8 (12...Rc8 13.Nd2=) 13.e4 e5 14.de5 (14.d5 Bh6=) 14...de5 15.Nd5 (15.Qe2 Nc5 16.Bc2 Rc8=) 15...Nd5 (15...Nc5!?–/+) 16.cd5= (16.ed5? e4 17.Bg7 Kg7–+ (17...ed3 18.Bd4+/–; 17...ef3?! 18.Bb2 fg2 19.Re1+=)) 16...Nc5 17.Bc2 Qd7 18.Qe2 f5 19.ef5 (19.Nd2 Ne4 20.Ne4 fe4=) 19...e4+= 20.Nd4 gf5 (20...Bd5 21.fg6 hg6 22.Rfd1+=) 21.Ra3 (better is 21.d6=) 21...Qd5?? (21...Bd5 22.Rd1 f4–/+) 22.Rg3+- Re7 23.Rd1 Kh8? (better is 23...Kf8 24.Qh5 Qf7 25.Qh7 e3 26.Nf5 ef2 27.Kf1 Qc4 28.Bd3 Re1 29.Kf2 Ne4 30.Ke1 Qb4 31.Kf1 Ng3 32.hg3 Qb2+-) 24.Nc6 Bc6 25.Rg7 Rg7 26.Rd5 Bd5 27.Qd2 Rd8 (27...Be6 28.Qg5 Rag8+-) 28.Bg7 Kg7 (28...Kg8+-) 29.Qg5 (29.Qg5 Kf7 30.Qd8+-) 1–0. Lebed,Petr (2090) – Voropai,Alexandr, Sakharov Memorial op 1st, 2002. (=1.d4 Nf6 2.Nf3 d6 3.c4 g6 4.Nc3 Bg7 5.b4 Nbd7 6.e3 0-0 7.Bb2 a5)

8.b5 e5 9.Be2=.

8.b5 c5

9.a4 cd4 10.ed4 b6 11.Bd3 e5 12.Nd5?? (12.0-0 Bb7 13.Re1 Re8=) 12...ed4?? (better 12...e4 13.Be4 Ne4-+) 13.Nf6= Nf6 (13...Qf6 14.0-0= (worse 14.Nd4 Re8 15.Kf1 Bb7-/+)) 14.Bd4 Re8 15.Be2 Bg4 16.0-0 Qc7 17.Rc1 Rac8 18.h3 Be6 The backward pawn on c4 becomes a target 19.Qd2 Ne4 20.Qe3 Bf5 21.Bb6 (better 21.Rfe1 Ng3 22.Qd2 Ne2 23.Re2 Re2 24.Qe2=) 21...Qb7-+ 22.Ba5 (22.Bd3 Nc3 23.Bf5 gf5-+) 22...Ng3!! 23.fg3 (23.Qe8 Re8 24.fg3 Qa7 25.Rf2 Qa5 26.g4-+) 23...Re3 24.Rfe1 (24.g4 Re2 25.gf5 Qa7 26.c5 Qa5 27.cd6 Rc1 28.Rc1 Qa4-+) 24...Rce8 (better 24...Qa7 25.c5 Qa5 26.g4-+) 25.Bc3 (25.Bf1 Qa7 26.c5 Qa5 27.Re3 Re3 28.cd6 Qa4 29.g4-+) 25...Bc3 26.Rc3 Rc3 0-1. Gehaktbalmetjus (2005) - prusianito (2025), Rated Bullet game, lichess.org, 2019.

9.bc6 bc6 10.Be2 Rb8 11.Qc2 (11.Rb1 Nb6=) 11...Ba6 (11...Nb6 12.Rb1=) 12.0-0 Nb6 13.Nd2 c5 (13...d5 14.Rab1=) 14.dc5+= dc5 15.Rab1 Nfd7 (15...e5 16.Rfd1 Qe7 17.Na4+=) 16.Nce4 (16.Rfd1 e5+=) 16...Bb2 17.Rb2 (worse is 17.Qb2 Nc4 18.Qc3 Nd2 19.Qd2 Be2 20.Qe2 Qc7+=) 17...Qc7 18.Rfb1 Ne5 (18...Rfd8 19.a3+=) 19.f4 Nc6 (19...Ned7!?+=) 20.Nc5+/– Bc8 (20...Nb4 21.Na6 Na6 22.Rb5+/–) 21.Nde4 (better is 21.a3+-) 21...Bf5?? (better is 21...f5 22.Ng5 Nb4+/–) 22.Na6+- Qb7 (22...Qa7 23.Nb8 Rb8 24.c5+-) 23.Rb6 (23.Rb6 Qb6 24.Rb6 Rb6 25.c5+-) 1–0. Wall,Bill – Knightmare, Microsoft Gaming Zone, 1999.

7.Nc3 b6

8.Bd3 Bb7 9.0-0 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 c5 13.b5 e5 14.d5 Re8 15.e4 Nh5 16.Nd2 Ndf6 17.Ne2 Bc8 18.g3 Bh6 19.f4 (better is 19.Bc3!?=) 19...ef4+= 20.Nf4 Nf4 21.gf4 Nh5 22.Nf3 Nf4 23.Bc2 Bg4 24.Kh1 Bf3 25.Qf3 Qh4 26.Qg3 Qg3 27.hg3 Ne2 28.Kh2 Nd4 29.Bb1 Be3 30.Rf6 Ra8 31.Bd4 Bd4 32.Rd6 Ra1 33.Rb6 Rb1 34.d6 Bf6 35.d7= Rd1? 36.Rb8?? Kg7–/+ 37.e5 Be7 38.Rc8 Rd7 39.b6 Rb7 40.Rc7 Rb6 41.Re7 Rb4 42.e6 Kf8 43.Rf7= Ke8 44.Rh7 Rc4 45.Kh3 Re4 46.Rh8 Ke7–+ 47.Rc8 Re5 48.g4? Ke6 49.Kh4 Kd7 50.Rg8 g5 51.Rg5 Rg5 52.Kg5 Kd6 53.Kf6 c4 54.g5 c3 55.g6 c2 56.g7 c1Q 57.g8Q Qf1 58.Kg7 Qg2 59.Kh8 Qh3 60.Kg7 Qg4 61.Kh8 Qh5 62.Kg7 Qe5 63.Kf8?? Qe7# 0–1. captainevans – deurnerik, kurnik, 2012.

8.Be2 c5 9.a3 cd4 10.Nd4 Bb7 11.Bf3 (11.0-0 Rc8=) 11...Bf3 12.Qf3 (12.Nf3 Qc7 13.Qd4 Ne5 14.Ne5 de5=) 12...Ne5+= 13.Qe2 Qd7 (13...Rc8 14.Ncb5 Qd7 15.Rc1+=) 14.Rc1 (14.f4 Nc6=) 14...Nfg4 (14...Rfc8 15.Nd5=) 15.Nf3 (15.f4 Nc4 16.Qc4 Ne3+=) 15...Nf3 16.Qf3 Ne5 17.Qe2 Qf5 (17...Rfc8 18.Nd5 e6 19.Be5 Be5–/+) 18.Nd5 (better is 18.e4 Qe6 19.Nd5+=) 18...Bf6?? (better is 18...Nd3 19.Kd2 Rae8 20.Qd3 Qf2 (worse is 20...Bb2 21.Rc2 Qd3 22.Kd3+=) 21.Qe2 Qe2 22.Ke2 Bb2–/+) 19.Be5 (19.e4 Qg5 20.0-0+/– (20.Nf6?! Qf6 21.0-0 Qf4+=)) 19...Qe5+= 20.0-0 b5 21.Nc7 Rac8 22.Nb5 a6 23.Nd4 d5 24.Nf3 Qf5 25.c5+- e6 26.c6 Bd8 27.Qa6 Bc7 28.Nd4 Qe5 29.g3 Ra8 30.Qd3 Rac8 31.b5 Bb6 32.a4 Ba5 33.Nb3 Bc7 34.a5 Qb2 35.b6 Bb6 36.ab6 Qe5 37.b7 Rb8 38.Nc5 Qd6 39.Nd7 Rb7 40.Nf8 Rc7 41.Qa6 Qf8 42.Rb1 Kg7 43.Rb7 Rc8 44.c7 Qc5 45.Qa7 Qc2 46.Rfb1 Kf6 47.Qd4 Ke7 48.Qf4 Qc3 49.Ra7 Qc5 50.Qb4 Qb4 51.Rb4 Kd6 52.Rb6 Kd7 53.Rbb7 Kc6 54.f4 Kd7 55.Kf2 h5 56.Kf3 f5 57.h3 Kc6 58.g4 fg4 59.hg4 hg4 60.Kg4 Kd6 61.Kg5 e5 62.fe5 Ke5 63.Rb8 Rc7 1–0. eddieteijeiro (2290) – carlopm (1975), net–chess.com, 2009. (=1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 0-0 5.e3 d6 6.b4 Nbd7 7.Bb2)

8.Be2 Bb7

9.0-0 c5 10.a3 Rb8 11.d5 Bc8 12.Nb5 (12.Qa4 a6+=) 12...a6 (12...Ra8 13.Rb1+=) 13.Na7 Rb7 14.Nc6 (14.Nc8 Qc8 15.Rb1 Ne4+=) 14...Qe8 15.b5 ab5 (15...Nb8 16.Rb1+=) 16.cb5+/– Nb8 17.a4 (17.Rc1 Bf5+/–) 17...e6 (better is 17...e5+=) 18.Bc4 (better is 18.a5!? ba5 19.Na5+= (worse is 19.Ra5 Nd5 20.Bg7 Kg7=)) 18...ed5+= 19.Bd5 Nd5 20.Bg7 Kg7 (20...Ne3 21.fe3 Kg7 22.Nb8 Qe3 23.Rf2 Rb8 24.Qd6+=) 21.Qd5+= Be6? 22.Qd6+- Rd7 23.Qe5 f6+/– 24.Qb8 Qb8+= 25.Nb8 Rb7?? 26.Nc6+- Bd5 27.Rfd1 Bc6 28.bc6 Rc7 29.Rd6 Rfc8 30.a5 ba5 31.Ra5 Rc6 32.Rc6 Rc6 33.g3 c4 34.Nd4 (34.Nd4 Rc8 35.Kf1+-; 34.Ra2 g5 35.Rc2 g4+-) 1–0. katrica (1655) – perskak (1620), internet, 2007. (=1.c4 Nf6 2.d4 g6 3.Nf3 Bg7 4.e3 d6 5.b4 0-0 6.Bb2 Nbd7 7.Nc3)

9.0-0 c5 10.bc5 dc5 11.d5 Qc7 12.Qc2 Rad8 13.Rad1 Ne5 14.Nb5 Nf3 15.Bf3 Qb8 16.e4 a6 17.Nc3 Nd7 18.Be2 Bd4 (18...Be5 19.h3=) 19.Nb1 Bb2 20.Qb2 Qc7 21.f4 f6 22.Nd2 g5 (22...Bc8 23.Bg4 f5 24.Bh3+=) 23.g3 (better is 23.fg5!? fg5 24.Bg4 Rf1 25.Rf1+-) 23...gf4+= 24.gf4 Kf7 (24...Rf7!?=) 25.Bh5 Kg8 26.Nf3 Kh8?? 27.Nh4?? Rg8 28.Kh1 Bc8? 29.Qe2 Nf8 30.Rd3 e6 31.Rg3 Rg3= 32.hg3 ed5 33.cd5 Qg7 34.Qh2 Bd7 35.Bf3 Bb5 36.Rg1 Bd7 37.g4 Ng6 0–1. polynesia46 (1740) – fagus54, kurnik, 2011.

9.0-0 Ne4 10.Qc2 (10.Ne4 Be4 11.Bd3 Bd3 12.Qd3 c5+=) 10...Nc3 (10...Ndf6 11.a3+=) 11.Bc3 c5 12.d5 (12.dc5 Bc3 13.Qc3 bc5+=) 12...Re8 (12...Bc3 13.Qc3 cb4 14.Qb4=) 13.Bg7+= Kg7 14.a3 (14.Qb2 Nf6+=) 14...e6 15.de6 Re6 16.Rad1 (16.Rfd1 Qf6+=) 16...Ne5 17.Ne5 ½–½. mr (2260) – burrango (2050), net–chess.com, 2008.

7.Nc3 c5

8.a3 cd4 9.Nd4 a5 10.Be2 ab4 (10...Qb6 11.0-0=) 11.ab4+= Ra1 12.Qa1 Qb6 13.Qa3 Ne5 14.h3 Nc6 15.Ndb5 Be6 16.Na4 Qd8 17.0-0 Ne4 (17...Bf5 18.Ra1+=) 18.Bg7 Kg7 19.Rd1 Ne5 20.Qa1 (20.c5 Kg8+/–) 20...Kg8 21.c5 Bb3 22.Rd4 f5 23.Nb6 (23.Nac3 Nc6 24.Ne4 fe4+/–) 23...Nd7 (23...Nc6!? 24.Rd3 Bf7+=) 24.Nd7 Qd7 25.Qb2 Be6 26.f3 Ra8 (better is 26...Ng5+/–) 27.fe4+- Ra2 28.Qc1 Re2 29.Nc3 Ra2 30.Na2 Ba2 31.Qd2 (better is 31.ef5 gf5 32.cd6 ed6 33.Qd2+-) 31...Qe6 (31...Bf7+-) 32.ef5 gf5 33.cd6 ed6 34.Rd6 Qc4 35.Rd8 Kg7 (35...Kf7 36.Qd7 Kg6 37.Qe7+-) 36.Rd7 Kg6 (36...Qf7+-) 37.Qd6 (37.Qd6 Qe6 38.Qg3 Kh6 39.Qg7 Kh5 40.Qh7 Kg5 41.h4 Kg4 42.Rg7 Qg6 43.Rg6#) 1–0. Quist,Viggo Bove – Kristensen,Henrik Lunden, DEN–chT, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nc3)

8.b5 cd4 9.Nd4 Nb6 10.Rc1 e5 11.Nf3 Qc7 12.Nd2 Bg4 13.f3 Be6 14.Nd5 Qd8 15.e4 a6 16.a4 ab5 17.ab5 Bh6 18.Rc2 Nfd5 19.cd5 Bd7 20.Bd3 Qg5 21.Nf1 Rfc8 22.Rc8 Rc8 23.Kf2 Nc4 24.Bc4 Rc4 25.Qb3 Rc5 26.Ba3 Rb5 27.Qc3 Qd8 28.Bc1 Rc5 29.Qc5 dc5 30.Bh6 Qh4 0–1. Kaenel,Hans_Jurg – Kurajica,Bojan, Biel, 1981.

8.Be2 Re8 9.0-0 cd4 (better is 9...cb4!? 10.Na4 Nb6+=) 10.ed4 e5 11.de5 (11.Nb5 Ne4=) 11...de5 12.c5 e4 13.Ng5 (13.Nd4=) 13...Qe7 (13...h6 14.Nf7 Kf7 15.Bc4 Kf8 16.Nb5+=) 14.Bc4 (better is 14.Qb3!?+=) 14...Ne5= 15.Bb3 Bf5 16.Nb5 (16.Qe2=) 16...Nd3?? (16...Nfg4!? 17.Nf7 Nf7–/+) 17.Bc3 (17.Bf7 Kf8 18.Qb3 Nb2 A) 19.Qb2 Ng4 20.Qc1 e3 (20...Ba1?! 21.Qa1 Qe5 22.Qe5 Re5 23.Nd6+=) 21.Be8 Qg5 22.fe3 Re8–+ (22...Ba1?! 23.Qa1 Qe3 24.Kh1+=); B) 19.Be8 Re8 20.Nd6+= (worse is 20.Qb2 Ng4 21.Nh7 Kg8 22.Qb3 Kh7–/+)) 17...Red8?? (better is 17...Nd5! 18.Bd5 Qg5=) 18.Nd6 (18.Nf7!? Nd5 19.Nd8 Rd8+-) 18...Rd6 (18...Ng4!? 19.Ngf7 Bc3 20.Nd8 Kg7 21.Nf5 gf5 22.Ne6 Kh8+/–) 19.cd6+- (19.Bf7?! Kf8 20.cd6 Qd6=) 19...Qd6 20.Nf7 (20.Nf7 Qc7 21.Qd2+-; 20.Bf7 Kf8 21.Bc4 Ng4 22.Bg7 Kg7=) 1–0. Krivoshapko,Alexander – Pozdniakov,Vladimir, 2013.

8.bc5 dc5

9.Bd3 b6 10.0-0 Bb7 11.d5 Ng4 12.Rb1 Nge5 13.Ne5 Ne5 14.Ne4 Qc7 15.f4 Nd3 16.Bg7 Kg7 17.Qd3 f5 18.Qc3 Kg8 19.Ng5 Bc8 20.Qe1 h6 21.Nf3 e6 22.Qg3 Kh7 23.Ne5 Rg8 24.Rfd1 ed5 25.cd5 Qd6 26.Qh4 Rg7 27.Rb3 Bd7 28.Rbd3 Bb5 29.R3d2 Re8 30.Rb2 Ba6 31.Nf3 Re3 32.Rbd2 Rge7 33.Ng5 Kg7 34.Ne6 R3e6 35.de6 Qe6 36.Rd6 Qf7 37.Re1 Re4 38.Re4 fe4 39.g4 Qf4 40.Rd7 Kg8 41.Rd8 Kf7 42.Rd7 ½–½. Leyen,Peter – Sakellarakis,Dimitrios, 10 years 3a LSV M/V, 1999.

9.Bd3 cd4 10.ed4 Nb6 11.0-0 (11.h3 Bf5 12.Bf5 Nc4=) 11...Nh5 (11...Bg4 12.Re1=) 12.c5+= Nd5 (12...Nd7 13.Qd2+=) 13.Nd5 Qd5 14.Re1 e6 (14...Qd8 15.Bc4+=) 15.Be4+/– Qd8 16.c6 bc6 (better is 16...Qc7!?+=) 17.Ba3 (17.Bc6 Bd7 18.Ba8 Qa8 19.Ne5+-) 17...Qb6 (17...Bd7 18.Bf8 Qf8+-) 18.Bf8 Kf8 19.Ne5 Be5 (19...Qc7 20.Qf3+-) 20.de5 Bb7?? (20...Qc7+-) 21.Qd6 Kg8 22.Reb1 Qa6 23.Qc7 (23.Qc7 Rc8 24.Qb7 (24.Rb7?! Rc7 25.Rc7 Qa5 26.Rc8 Kg7 27.Bc6 Qe5–/+) 24...Qb7 25.Rb7+-) 1–0. Woschkat,Karl_Heinz (1710) – Beahan,William T (1695), Compuserve, 1996.

9.Be2=.

9.g3 b6 10.Bg2= Bb7 11.0-0 Ne8 12.Qc2 (12.Qe2 cd4 13.ed4 Rc8=) 12...Nd6 (12...cd4 13.ed4 Rc8 14.Nb5=+) 13.Qe2 (13.Nb5 Nb5 14.cb5 cd4 15.Bd4 e5=) 13...Rc8 (13...cd4 14.ed4 Rc8 15.Nb5=+) 14.Nb5= cd4 15.Nd6 (15.Bd4 Bd4 16.ed4 Re8=) 15...ed6=+ 16.Bd4 Ba6 Attacking the isolated pawn on c4 (16...Ne5 17.Rac1=) 17.Rfc1 d5 (17...Bd4 18.ed4 Re8 19.Qf1=) 18.Bg7+= Kg7 19.Qb2 f6? (better 19...Qf6 20.Qf6 Nf6 (20...Kf6? 21.cd5 Nc5 22.Nd4+-) 21.cd5 Nd5 22.Rc8 Rc8=) 20.cd5 Nc5 21.Qd4 (21.Nd4 Re8+-) 21...Re8 22.Nd2 Bb7 23.Nb3 Nb3 24.ab3 Re5? (better 24...Rc1 25.Rc1 Qd6+-) 25.Rc8 Qc8 26.Ra7 Kg8 (26...Re7 27.Qb6 Rd7 28.h3+-) 27.Qc4 (better 27.Qb6!? Rd5 28.Rb7 Rd1 29.Bf1 Qh3+-) 27...Qb8 (27...Kh8+-) 28.d6 (28.d6 Kg7 29.Rb7 Qb7 30.Bb7+-) 1–0. marswiemond (1650) – ulla, gameknot.com, 2011. (=1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e3 d6 5.Nf3 0-0 6.b4 Nbd7 7.Bb2 c5 8.bc5 dc5)

9.g3 cd4 10.ed4 Nb6 11.Ne5=.

8.dc5 dc5

9.a3 a5 10.Be2 ab4 11.ab4 Ra1 12.Qa1 cb4 13.Nd5 e5 14.Ne5 Nd5 15.cd5 Ne5 16.Be5 f6 17.Bd4 Qd5 18.0-0 b3 19.Rc1 Qf7 20.Qa3 Be6 21.Qd6 Re8 22.Bb5 Re7 23.Ra1 h6 (23...Bf8 24.Qd8=) 24.Bc5+= Bf8 (24...b2 25.Rb1 Rc7 A) 26.Rb2? Bf8 27.Qf8 Qf8 28.Bf8 Rc1 (28...Kf8?! 29.Kf1=) 29.Bf1 Bc4–+; B) 26.Be8 Qe8 27.Qc7–/+) 25.Qd8 (25.Qb8!?+/–) 25...b2= 26.Rd1 Rc7 (26...Ba2 27.Be7 Qe7 28.Qe7 Be7 29.Bd3=) 27.Bf8 (27.Be8 Rc5 28.Bf7 Kf7 29.Rf1–+) 27...Rc8= 28.Qd2 Bb3 29.Rf1 Bc2 30.Bh6 b1Q 31.Rb1 Bb1 32.Bf1 Ba2 33.g3 Kh7 34.Bf4 g5 35.Bd6 Qd5 36.Qb2 Bc4 37.Qd4 (37.Bc4 Rc4 (worse is 37...Qd6 38.Qb7 Rc7 39.Qe4 Kg7 40.Bd3+=) 38.Ba3 Kg7–/+) 37...Qd4 38.ed4 Kg6 39.Bc5 (39.Bg2!? b6 40.h3–/+) 39...Bf1–+ 40.Kf1 Kf5 0–1. Mosshammer,Michael – Karasek,Lubomir (2100), WC15/WS29 ICCF, 2006.

9.Qb3 cb4 10.Qb4 Qb6 11.Qb6 Nb6 12.Rd1 Be6 13.c5 Nbd7 14.c6 bc6 15.Ba3 c5 16.Ng5 Bf5 17.e4 Bg4 18.f3 h6 19.Nd5 Nd5 20.Rd5 hg5 21.fg4 Rfd8 22.Bb5 Rab8 23.Bd3 e6 24.Rd6 Bb2 25.Bb2 Rb2 26.0-0 Rb6 27.e5 Rd6 28.ed6 Ne5 29.Bb5 Rd6 30.Rc1 c4 31.Rc2 Ng4 32.Rc1 a6 33.Bc4 Rc6 34.Rf1 Rc4 35.Rb1 Rc2 0–1. Comet B25 – Fritz 5.32, 2003.

7.Nc3 c6

8.Bd3 Qc7 9.0-0 Re8 10.Rc1 e5 11.de5 de5 12.e4 Nh5 13.Ne5 Ne5 14.Be2 Nf4 15.g3 Ne2 16.Ne2 Bg4 17.Qc2 Bf3 18.Nd4 Bg4 19.f4 Nd7 20.Kg2 Nf6 21.e5 Nh5 22.h3 Bc8 23.Rcd1 f6 24.c5 fe5 25.Qc4 Qf7 26.Qf7 Kf7 27.fe5 Kg8 28.e6 Nf6 29.Rde1 Re7 30.Nf3 Be6 31.Ng1 Rae8 32.Bf6 Bd5 33.Kf2 Re1 34.Re1 Re1 35.Ke1 Bf6 36.Ne2 Be5 37.Kd2 Ba2 38.Kd3 Bd5 39.Nf4 Bf4 40.gf4 Kf7 41.Kd4 Ke6 42.b5 cb5 43.f5 gf5 44.h4 f4 45.h5 f3 46.h6 b4 47.Ke3 Bc6 48.Kf2 a5 49.Ke3 a4 Time forfeit 0-1. Butterbrot (1925) - Singer__Marta (2580), Rated Bullet game, lichess.org, 2015. (=1.b4 d6 2.Bb2 Nd7 3.c4 Ngf6 4.e3 g6 5.Nc3 Bg7 6.d4 0-0 7.Nf3)

8.Bd3 e5 9.0-0 Re8 10.de5 Ne5 (10...de5 11.e4+=) 11.Ne5 de5 12.a3 Bg4 (12...e4 13.Be2=) 13.f3 Be6 14.Qe2 a5 15.b5 Qe7 16.a4 Rad8 17.Ba3 Qc7 18.Rad1 cb5 19.Nb5 Qc6 20.Qc2 e4 21.fe4 Ng4 22.Rfe1 Bh6 23.Bc1 Ne5 24.Nd4 Qc5 25.Ne6 Re6 26.Bf1 Rd1 27.Qd1 b6 28.Qd8 Bf8 29.Rd1 Qb4 30.Be2 Qa4=+ 31.Bb2 Qb3 32.Qd4 Bc5 33.Qd8=+ Kg7 34.Bd4 Bd4 35.Qd4 f6 36.Rd2 Qa3 37.Rd1 Nf7 38.Ra1 Qe7 39.Bd3 Rd6–+ 40.Qc3 Ng5 41.Qc2 Qd8 42.Ra2?? Rd3–+ 43.Kf2 Ne4 (44.Kf3 Nc3–+) 0–1. Woschkat,Karl_Heinz – Crispi,Carmelo, EM/H/004 ICCF Email, 1999.

8.Be2 Qc7 9.0-0 e5 10.de5 de5 11.e4 Rd8= 12.Qc2 Nf8 13.Rfd1 Bg4 14.h3 (better is 14.Ne5 Bh5 15.Na4 Be2 16.Qe2+=) 14...Bf3+= 15.Bf3 (worse is 15.gf3 Ne6 16.Bf1 Nd4–+) 15...Ne6 16.Ne2 (16.Rd8 Rd8 17.Rd1 Nd4+=) 16...h5 (16...Ng5!?–/+) 17.g3 Nd7 (17...c5 18.b5+=) 18.c5 (18.a3 a5+=) 18...b6 19.cb6 ab6 20.a4 (20.a3 c5=) 20...c5 21.Qc4 (21.b5 c4=) 21...Nd4 (21...cb4 22.Qb4 Ndc5 23.h4+=) 22.Nd4 (22.Kg2 Nf3 23.Kf3 Qb7=) 22...ed4= 23.Bd4?? (better is 23.Bg2=) 23...Bd4–+ 24.Rd4 Ne5 25.Rd8 Rd8 26.Qe2 (26.Qc1 Nf3 27.Kg2 Nd2–+) 26...Rd2!! 27.Qe3 Rd3 (27...Rd3 28.Qe2 Nf3 (worse is 28...Rf3 29.a5 cb4 30.a6–+) 29.Kg2 c4–+) 0–1. Dickson,I (1910) – Oliver,G (2145), Australian Open, Tuggeranong AUS, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nc3)

8.Be2 Re8 9.0-0 e5 10.de5 de5 (10...Ne5 11.Ne5 de5 12.e4=) 11.e4+= Qe7 12.Qb3 White prepares b5 12...Nh5 13.Rfe1 Nf4 14.Bf1 (14.Rad1 Qe6 15.Rd2 a5=) 14...Nf8 (14...a5 15.a3=) 15.Ne2+= Nh5 16.b5 (16.Rad1 Bg4+=) 16...Bg4 (16...cb5 17.cb5 Be6 18.Qe3+=) 17.a4 (17.h3 Bf3 18.Qf3 Red8+=) 17...Qf6= 18.Red1 Nf4 (better 18...Bf3 19.Qf3 Qf3 20.gf3 Rad8=) 19.Rd2 (better 19.Nf4!? Qf4 20.Bc1+-) 19...Nh3=+ 20.gh3 Bf3 (20...Qf3? 21.Rd3 Qe4 22.Ng3+-) 21.Ng3 Ne6 22.Ra3 (22.Qe3 Qf4 23.Rd3=+) 22...Bh5 (22...Qg5 23.Bc1 Be4–/+) 23.Nh5?? (better 23.Qe3=) 23...Qg5–+ 24.Qg3 Qd2 (24...Qh5?! 25.Qg4=) 25.Ng7 Ng7 (25...Qb2?! 26.Ne8 Re8 27.bc6 bc6 28.Rb3–/+; 25...Kg7?! 26.Qe5 (worse 26.Be5 Kg8–/+) 26...Kh6 27.Rg3=) 26.Be5 Nh5 27.Qc3 Qc3 (27...Qg5 28.Bg3 Re4 29.Bg2–+) 28.Bc3 (28.Rc3?? Re5 29.f3 f5–+) 28...Re4 29.bc6 (29.Bd2 Nf6–+) 29...bc6 30.Rb3 Nf4 (30...Rae8 31.Rb7 R4e7 32.Re7 Re7 33.Kg2–+) 31.Ba5 (31.Bd2 Rd8 32.f3 Ne2 33.Kf2 Re5–+ (33...Rd2?! 34.Rb8 Kg7 35.fe4 Nc3 36.Ke3–/+)) 31...Ne2 32.Kg2 Nd4 (32...Rae8 33.Bd2–+) 33.Rb7 c5 (33...Ne6 34.Bd2–+) 34.Bd2 (34.Rd7 Re6–+) 34...Kf8 (34...a6 35.Bd3 Ree8 36.a5–+) 35.Be3 (35.Rc7 Ne6 36.Rb7 Ke8–+) 35...Re7 36.Rb2 Kg7 37.Kg1 Rd8 38.Rb1 (38.Bg2 Red7–+) 38...Rd6 39.Bg2 Rb6 40.Rd1 Rb4 41.Bd5 Ra4 42.Kg2 (42.Bd4 cd4 43.Rd4 a5–+) 42...Ne6 (42...Nb3 43.Rb1 Ra3 44.Re1–+) 43.Rb1 (43.Be6 fe6 44.Bc5 Rc7 45.Bd4 Kf8–+) 43...Rc7 (43...a6 44.h4–+) 44.Bd2 Kf6 45.Rb8 (45.h4 h5–+) 45...Kf5 46.Kg3 (46.Rb3 a5–+) 46...Ra3 47.f3 Ke5 48.Bc1 Ra2 49.Be3 (49.h4 Rd7–+) 49...Re2 50.Bc1 Kd4 (50...Re7 51.Ba3 Nf4 52.Bb2 Kf5 53.Be4 R7e4 54.fe4 Ke4 55.Re8 Kd3 56.Be5 Nh5 57.Kf3 Re3 58.Kf2–+) 51.Bb2 (51.Rb3 a5–+) 51...Kd3 52.Be4 (52.Rb3 Kc2 53.Rb8 f5–+) 52...Kc4 53.Be5 f5 54.Bc7 fe4 55.Bd6 (55.Rb7 Re3 56.Ra7 Rf3 57.Kg2 Rf7–+) 55...Rd2 0–1. Koerner,Helmut (1910) – Becker,Ja (2035), 2rd Berlin Germany, Lichtenberger Somme, 2013.

8.Be2 Kh8 9.0-0 Ng8 10.Qb3 e6 11.Rac1 d5 12.cd5 cd5 (12...ed5 13.b5+/–) 13.Rc2 Ngf6 14.Rfc1 Ne8 15.Nb5 (15.Ba3 Nd6+/–) 15...a6 16.Nc7 Rb8 (16...Nc7 17.Rc7 Nb6 18.R7c3+/–) 17.b5 Bf6 18.Ba3 Be7 (18...Rg8+-) 19.Be7 Qe7 20.Nd5 Qd8 (20...ed5 21.Rc8 Rc8 22.Rc8 ab5 23.Bb5+- (23.Qd5?! Nb6 24.Re8 Nd5 25.Re7 Ne7+/–)) 21.Nc7 Nc7 22.Rc7 Nf6 23.ba6 Nd5 24.R7c2 b6 25.Ne5 Ne7 26.Rc7 f6 27.Nf3 Qd6 28.R7c2 Bd7 29.a4 Bc6 30.Bb5 Bd5 31.Qd3 Rbc8 32.Rc8 Rc8 33.Rc8 Nc8 34.Qc3 Ne7 35.Nd2 Kg7 36.h3 f5 37.e4! fe4 38.Nf1 Nf5 39.Ne3 Ne7? 40.Nd5 ed5 41.a7 Qd8 42.Bc6 1–0. Hillebrand,Carsten – Krumsdorf,Joachim, Troisdorf op, 2000. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nc3)

7.Nc3 e5

8.Qc2 ed4 9.Nd4 a5 10.Qa4? (better 10.ba5!? Ra5 11.Be2=) 10...Nb6–/+ 11.Qa3 (11.Qa3 ab4 12.Qb4–+). eddiet (1900) – defesa, net–chess.com, 2014. (=1.d4 Nf6 2.c4 g6 3.e3 d6 4.Nc3 Bg7 5.Nf3 0-0 6.b4 Nbd7 7.Bb2 e5)

8.Qc2 Qe7 9.Be2 e4 10.Nd2 Re8 11.0-0 Nf8 12.Rfe1 Bf5 13.Nf1 g5 14.f3 ef3 15.Qf5 fe2 16.Ne2 h6 17.d5 Ng6 18.Neg3 Qd7 19.Qc2 Nh4 20.Re2 Re7 21.Rae1 Rae8 22.h3 g4 23.Kh2?? (better is 23.Rf2 Ne4 24.Bg7 Kg7 25.Rf4 Ng3 26.Rg4 Qg4 27.hg4+-) 23...gh3–/+ 24.gh3 Nf3 25.Kg2 Ne1 26.Re1 Ne4 27.Bg7 Kg7 28.Ne4 Re4 29.Ng3 R4e5 (29...Re3? 30.Re3 Re3 31.Nf5 Kf8 32.Ne3+-) 30.Rf1 Rg5 31.Rf3 Qe7 32.h4 Rg6 33.Qf5 f6?? (better is 33...Rg8 34.h5 Rg5–/+) 34.h5= Rg5 35.Qg5 hg5 36.Nf5 Kf7 37.Ne7 Re7 38.a3 Re4 39.c5 dc5 40.bc5 Rc4 41.h6 Rc5 42.h7 Kg7 43.e4 Kh7 44.Rf6 Kg7 45.Re6 Kf7 46.Rh6 Ke7 47.Kf3 Rc3 48.Kg4 Ra3 49.Kg5 Rf3 50.e5 a5 51.Rh7 Rf7 52.Rh8 Rf8 53.d6?? cd6–+ 54.ed6 Kf7 55.Rh7 Ke6 56.Rb7 Ra8 57.d7 Ke7 58.Kf4 a4 59.Ke3 a3 60.d8Q Kd8 61.Rb1 a2 62.Ra1= Ra3 63.Kd2 ½–½. Lebed,Petr (2170) – Mutschnik,Ilia, Kiev Independence Cup op, 1999. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 Nbd7 7.Nc3 e5)

8.d5 Ne8 9.Be2+= f5 10.e4 (10.0-0 Ndf6+=) 10...f4 (10...a5!? 11.a3 fe4 12.Ne4 Nef6=) 11.Qc2 Ndf6 12.h3 c6 13.0-0 Kh8 14.Rfd1 Qe7 15.a4 White prepares the advance b5 15...g5 (15...cd5 16.Nd5 Nd5 17.cd5+=) 16.Ba3 (16.dc6!? bc6 17.Ng5+/-) 16...g4 17.hg4 Bg4 18.dc6 bc6 19.b5 c5 20.Nd5 (20.a5 Qf7+/-) 20...Nd5+= 21.ed5?? (better 21.cd5 Nf6 22.Bb2+=) 21...e4-+ 22.Bb2 (better 22.Nh2 Ba1 23.Ra1-/+) 22...ef3 23.Bf3 Bf3 24.gf3 Qg5 (24...Qh4 25.Kg2 Rg8 26.Kf1-+) 25.Kf1 Nf6 26.Ke2 (26.Re1 Qh5 27.Re6 Qh3 28.Ke1 Rae8-+) 26...Rae8 (26...Qg2 27.Rf1-+) 27.Kd2 Qg2 28.Kd3 (28.Kc1-+) 28…Qf3 (28...Qf3 29.Kd2 Re2 30.Kc1 Rc2 31.Kc2 Ne4 32.Bg7 Kg7-+) 0-1. dannysmet (2035) - mbchecker (2020), Rated Blitz game, lichess.org, 2021.

8.d5 Nh5 9.Be2 f5 10.Qb3 a5= 11.a3 ab4 12.ab4 Ra1 13.Ba1 Kh8 14.0-0 h6 15.Bb2 Kh7 16.Ra1 Nhf6 Black prepares the advance e4 17.Ra8 Qe7 Black prepares e4 18.Nd2 g5 (18...Ng4 19.h3 Ngf6 20.Ra7+=) 19.Qc2+/- Nb6 20.Ra7 e4 (20...Qd7 21.e4 fe4 22.Nde4+/-) 21.Nb5 (21.Nb3 f4+/-) 21...Kh8 (21...Bd7 22.Nc7 Ba4 23.Ra4 Na4 24.Ne6 Nb2 25.Nf8 Qf8 26.Qb2 Nd5 27.Qa3=) 22.Bd4 f4 (22...Ne8 23.Nb3+/-) 23.ef4+- gf4 24.Bf6 Qf6 25.Ne4 Qe5 (25...Qe7+-) 26.f3 (26.Nc7 Qe7 27.Nb5 Rd8+-) 26...c6? (26...Bd7 27.Ra5 Bb5 28.Rb5 Qa1 29.Bf1 Bd4 30.Nf2 Ra8=) 27.dc6+- (27.Nbd6 Nc4 28.Nc8 Rc8 29.Qc4 Qd4 30.Qd4 Bd4 31.Kf1 Ba7-/+) 27...bc6 28.Nbc3?? (28.Nbd6 Qd4 29.Kh1 Nc4 30.Nf7 (worse 30.Nc4 Qa7 31.Na5 Ba6-/+) 30...Rf7 31.Rf7+- (31.Bc4 Ra7 32.Bf1 Ra1-+)) 28...Qd4 (28...d5 29.Rg7 Kg7 30.cd5 cd5 31.Nf2-+) 29.Kf1 (29.Kh1!? Nc4 30.Rc7-/+) 29...Nc4-/+ 30.Bc4 Qa7 31.Bd3? (better 31.Nd6!? Qd4 32.Nce4-/+) 31...d5 32.Nc5 Qa1 33.Nd1 Re8 34.Qd2 Qd4 35.Nb3 Qe5 36.Bc2?? (36.Nc5-+) 36...Ba6 37.Kf2 Qe2 (37...Qe2 38.Qe2 Re2 39.Kf1 Rc2 40.Kg1 Bc4-+) 0-1. Eekamouse (2540) - Cortador (2455), Rated Blitz game, lichess.org, 2016. (=1.e3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.Nf3 0-0 6.d4 Nbd7 7.Nc3)

8.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.Nc3).

8.de5 Ne5 9.Be2 Nfg4 10.Ne5 Ne5 11.0-0 Be6 12.Qb3 c6 13.f4 Nc4 14.Bc4 d5 15.Nd5 Bb2 16.Qb2 Bd5 17.Rad1 Qe7 18.Bd5 Qe3 19.Qf2 Qf2 20.Kf2 cd5 21.Rd5 Rac8 22.Re1 Rc4 23.Rb5 b6 24.g3 Rd8 25.Re2 Rd6 26.Rbe5 Rb4 27.Re7 a5 28.Rc2 h5 29.Kf3 Kg7 30.Rcc7 Rf6 31.h4 Ra4 32.Rc2 b5 33.Re5 Ra3 34.Re3 Re3 35.Ke3 Re6 36.Kd4 Re1 37.Kc5 b4 38.Kb5 Re3 39.Ka5 b3 40.ab3 Rb3 41.Rg2 Kf6 42.Ka4 Re3 0–1. Kirschner,Gerhard – Kracevec,A, EU/M corr ICCF, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.Nc3 Nbd7 7.e3 e5)

8.b5 Re8

9.Be2 ed4 10.Nd4 Nc5 11.0-0 h5 12.h3 Nfe4 13.Ne4 Ne4 14.Bf3 Bd7 15.Qc2 Qe7 16.Ne2 Bb2 17.Qb2 Qe5 18.Qd4 Qd4 19.Nd4 (worse is 19.ed4 Nd2 20.Nf4 Nf1 21.Kf1 c6–/+) 19...Rab8 20.Rfd1 Kg7 21.Rac1 Nc5 22.Nb3 Ne6 23.a4 a6 24.c5 ab5 25.cd6 cd6 26.ab5 Bb5 27.Rd6 b6 28.Nd4 Nd4 ½–½. Kaenel,Hansjuerg (2325) – Gallagher,Joseph G (2500), SUI–GP Wohlen, 1993. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Nc3)

9.Be2 Qe7 10.0-0 e4 11.Nd2 h5 12.Qc2 Nf8 13.Nd5 Nd5 14.cd5 Bf5 15.Rfc1 Rec8 16.a4 Nh7 17.a5 Nf6 18.Qb3 h4 19.Ba3 b6 20.Bb4 Ne8 21.Ra3 Qg5 22.Kh1 Rd8 23.Qa2 Rac8 24.ab6 ab6 25.Ra7 Qe7 26.Nb3 g5 27.Na1 g4 28.Be1 Qg5 29.Nc2 Bd7 30.Qc4 Ra8 31.Rca1 Ra7 32.Ra7 Rc8 33.Nb4 Bf6 34.Qc2 Qg6 35.Qa2 Bg5 36.Ra8 Ra8 37.Qa8 g3 38.fg3 hg3 39.Bg3 Be3 40.Qd8 Qf5 41.Nc6 Bg5 42.Ne7 (42.Qa8!?=) 42...Kf8–/+ 43.Qe8 Ke8 44.Nf5 Bf5 45.Bf2 e3 46.Be1 Be4 47.Bc4 f5 48.Kg1 f4 49.Kf1 Ke7 50.Bc3 Kf6 51.Bb2 Kf5 52.Bc3 Bf6 53.Bb2 Bc2 54.Be2 Bb3 55.Bd3 Kg4 56.Be2 Kg5 57.Bf3 Bc4 58.Kg1 Kh4 59.Bc3 Bb5 60.Be1 Kg5 61.Bc3 Kf5 62.g3 Bd3 63.Kg2 fg3 64.Kg3 Bc4 65.h4 e2 66.h5 Bd4! 67.Be2 Be2 68.Bd4 Bh5 69.Kf2 Ke4 70.Bf6 Kd5 71.Bd8 Kc6 72.Ke3 Kd7 73.Bg5 c5 74.Kd3 Kc6 0–1. Kaenel,Hansjuerg (2325) – Habibi,Ali (2270), Zweisimmen, 1993. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Nc3)

8.de5 de5

9.Rc1 Qe7 10.Be2 (10.a3!?=) 10...Qb4-/+ 11.Qc2 Ne4?? (11...e4 12.a3 Qa5 13.Nd4-/+) 12.0-0?? (better 12.a3 Qa5 13.Qe4+-) 12...Nc3=+ 13.Bc3 Qe7 14.Rfd1 b6 15.h3 (15.Qb2 c5=+) 15...Bb7 16.a3 (16.Rd2 Rad8-/+) 16...Rad8 17.Bb4 c5 18.Bc3 Rfe8 19.Qb2 f6 20.a4 Kh8 21.a5 Rb8 22.ab6 (22.Qb5 Red8-/+) 22...ab6 (22...Nb6 23.Qa2 Bc6 24.Rb1-/+) 23.Ra1 Ra8 24.Rab1 Red8 25.Qb5 Qe6 26.Rd2 Qc6 (26...Ra7 27.Rbd1 Bc6 28.Qb2-/+) 27.Qb3 h5 28.Rbd1 g5 (28...e4 29.Nh4 Kh7 30.f4=) 29.Rd6 Qc7 30.Ne1 Attacking the backward pawn on b6 30...h4 (30...Bc6 31.Qb1= (worse 31.Bh5 Ba4 32.Qb2 Bd1 33.Rd1 Nf8=+)) 31.Nf3 (31.Qb5 Nf8 32.Rb6 Rdb8+=) 31...Nf8 32.Rb6 Rd1 33.Bd1 Bc6 (better 33...Ba6=) 34.Nh2?? (better 34.Qb2+=) 34...Nd7?? (better 34...Ba4 35.Qb1 Bd1-+) 35.Rc6-/+ Qc6 36.Bf3 e4 37.Bg4 Ne5 38.Be5 fe5 39.Bf5 Bf8 (better 39...Rf8!? 40.Bg4 Qd6-/+) 40.Ng4= Bd6 41.Qb2 (41.Nf6 Ra1 42.Kh2 Qa6=) 41...Rb8 (41...Bc7 42.Qb1 Ra3 43.Kh2= (worse 43.Qe4 Qe4 44.Be4 Rc3-/+)) 42.Qc3 (42.Qc2!?=) 42...Kg7 43.Ne5?? (43.f4 Qa4 44.Qc1 gf4 45.ef4-/+) 43...Rb1-+ 44.Kh2 Qc7 45.f4 (45.Qc2 Be5 46.g3-+) 45...gf4 (45...ef3 46.gf3 Be5 47.f4 gf4 48.Kg2 Bc3 49.Bb1 fe3 50.Kf3 Qg3 51.Ke4 Qe5 52.Kf3 e2 53.Bf5 e1Q 54.Kg4 Q5e2 55.Kf4 Q1d2) 46.Nd3?? (better 46.Ng4 Be5 47.Ne5 fe3 48.g3-/+) 46...Kf7-+ 47.Nc1 (47.ef4 Bf4 48.g3 ed3 49.Bg6 Kg8 50.Be4-+) 47...fe3 (47...Qa5 48.Be6 Ke6 49.Kg1 Qc3 50.Kh1 Qc1 51.Kh2 Qg1) 48.Kg1 Be5 49.Qc2 (49.Bg6 Kg6 50.Qc2 Qb7-+) 49...Qb6 (49...Qa5 50.Qd1 Qd2 51.Qd2 ed2 52.Bg6 Kg6 53.Kf2 dc1Q 54.g4 Qd2) 50.Be4 Qb2 (better 50...Qb3 51.Kf1 Qc2 52.Bc2 Rc1 53.Ke2 Rc2 54.Ke3 Rg2-+) 51.Qb1 (51.Qb2 Rb2 52.Bd3-+) 51...Qf2 52.Kh1 e2 (52...Qe1) 53.Ne2!+- Qe2 54.Bd5 (54.Qb7!? Kf6 55.Qc6 Ke7 56.Qc5 Bd6 57.Qg5 Kd7 58.Qf5 Kd8 59.Qf6 Kd7 60.Qf7 Be7 61.Qf5 Kd8 62.Qd5 Kc7 63.Qc6 Kd8 64.Qa8 Kc7 65.Qb7 Kd8 66.Qb8 Kd7 67.Bf5 Kc6 68.Qb5 Kc7 69.Qd7 Kb6 70.Qd4 Ka6 71.Bc8 Ka5 72.Qc3 Kb6 73.Qb3 Kc5 74.Qa3 Kd4 75.Qa1 Ke4 76.Bb7 Kf5 77.Qb1 Kf4 78.Qc1 Qe3+-) 54...Kf6 55.Bf3?? (better 55.Qb6!? Kf5 56.Qe6 Kg5 57.Qe7 Kf5 58.Qc5 Qd1 59.Qg1 Qg1 60.Kg1 Bd4 61.Kf1+/-) 55...Qe3 (better 55...Qc4!? 56.Kg1 Bg3-/+) 56.Qb6 Kg5 57.Qd8 Kf4? (better 57...Bf6 58.Qd5 Kf4=) 58.Qh4+- Kf5 59.Qg4 Kf6 60.Qh4 Kf7?? (60...Kf5 61.Bd1+/-) 61.Qh7 (61.Bd5 Kg7 62.Qe7 Kg6 63.Qf7 Kg5 64.Qg8 Kf6 65.Qe6 Kg5 66.Qg4 Kf6+-) 61...Ke6? (better 61...Kf6!? 62.Qb1 Qf4+=) 62.Bg4 (62.Bd5 Kf6 63.Qf7 Kg5 64.Qg8 Kh6 65.Qe6 Kg5 66.Qg4 Kf6 67.Qh4 Kg7 68.Qe7 Kh6 69.Qf8 Kg5 70.Qd8 Kf5 71.g4 Kf4 72.Qf8 Kg3+/-) 62...Kf6 63.Qf5 Ke7 64.Qf1 Qg3 65.Qg1 Bd4 66.Qb1 Kd8 (66...Be5!? 67.Qb7 Kf6 68.Qf3 Ke7 69.Qg3 Bg3+-) 67.Qb6+- Ke7 68.Qe6 (68.Qe6 Kf8 69.Qc8 Ke7 70.Qd7 Kf8 71.Qd8 Kf7 72.Qd5 Kf8 73.Qf5 Kg7 74.Qg5 Kf8 75.Qd2+-) 1-0. milanbelobrk (1930) - Nikolai56 (2035), Rated Blitz game, lichess.org, 2015. (=1.e3 E61: King's Indian: Early deviations for White, including Smyslov System 1...d6 2.Nf3 g6 3.c4 Bg7 4.d4 Nf6 5.Nc3 0-0 6.b4 Nbd7 7.Bb2)

9.Qc2 Qe7 10.c5 a5 11.a3 Re8 (11...Nb8 12.Be2=) 12.e4 ab4 13.ab4 Ra1 14.Ba1 c6 15.Bc4 (15.Be2 b6=) 15...b6=+ 16.0-0 bc5 17.bc5 Nc5 18.Na4? (better 18.Re1!?=+) 18...Nfe4–+ 19.Ng5? (better 19.Nc5 Nc5 20.Re1–/+) 19...Qg5 (19...Ng5?! 20.Nc5 Bf5 21.Qc1–+) 20.Nc5 Nc5 21.Bf7 Kf7 22.Qc5 Bh3 23.Qc6 e4 24.Qc7 Re7 25.Qg3 (25.Qc4 Be6 26.Qc2 Ba1 27.Ra1 Bd5–+) 25...Qg3 26.fg3 (26.hg3 Ba1 27.Ra1 Bf5–+) 26...Bf5 27.Bg7 Kg7 28.Kf2 e3 (28...e3 29.Ke2 Be4–+) 0–1. Berend,Freddy – Karadag,Cem (2060), 8th ECI youth tournament, 1981. (=1.c4 g6 2.Nf3 Bg7 3.Nc3 Nf6 4.b4 0-0 5.Bb2 d6 6.e3 Nbd7 7.d4 e5)

9.Be2 Qe7 10.Qb3 e4 11.Nd2 Rd8 (11...a5 12.a3+=) 12.Rd1 c5 13.b5 b6 14.0-0 (14.Nde4 Ne4 15.Ne4 Bb7 (15...Qe4? 16.Bf3 Qe6 17.Bd5+-) 16.Bg7 Be4+=) 14...Bb7 15.Qc2 Qe6 16.a4 h5 17.a5 Rab8 (17...a6 18.ba6 Ra6 19.Nb3=) 18.a6+= Ba8 19.Nb3 Ne5 20.Rd8 Rd8 21.Rd1 Re8 22.Nd2 Qf5 23.Nf1 (better is 23.Ba1+=) 23...Nf3 (better is 23...Qe6!?=) 24.Bf3 ef3 25.Qf5 gf5 26.Ng3 (26.g3!?+/–) 26...f4= 27.Nf5 fe3 28.fe3 Ng4 29.gf3 Bf3 30.Ng7 Kg7 31.Rd7 (31.Rf1 Ne5 32.Nd5 Bd5 33.cd5 Kf8+=) 31...Kg6= 32.Ra7?? (better is 32.Bc1 Ra8 33.Re7+=) 32...Re3–+ 33.Kf1 Nh2 34.Kf2 Rd3 (better is 34...Ng4 35.Kf1 h4–+) 35.Ke1–/+ Ng4 36.Re7 h4 37.Ne2 h3 38.Re8 (38.Nf4 Kh6 39.Nd3–+) 38...h2 39.Rh8 Re3 (39...Re3 40.Rh2 Nh2–+) 0–1. Danielian,Elina (2295) – Skripchenko,Almira (2235), Szeged Wch U18 Girls, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nc3)

7.Nbd2 a5

8.a3 e5 9.Qc2 (9.Be2 ed4 10.Nd4 Ne5=) 9...ed4+= 10.Nd4 Ne5 11.Be2 Re8 (11...ab4 12.ab4 Ra1 13.Ba1+=) 12.0-0= c5 (12...Qe7 13.Rfd1=) 13.bc5 dc5 14.Nb5 Bf5 15.e4 Nc6 16.Bf3 (16.f3 Nh5 17.Bg7 Kg7 18.Qb2 Kg8+/–) 16...Ne4 17.Ne4 Bb2–/+ 18.Qb2 Be4 19.Rad1 Qg5 20.Be4= Re4 21.Rd5 Qe7 22.Nd6 Re1 23.Qb7 Qe2 24.Qf7 (worse is 24.Qa8 Kg7 25.Ne8 Kh6 26.Rh5 Kh5 27.Nf6 Kg5 28.Nh7 Kh6 29.Qf8 Kh7 30.Qf7 Kh6 31.Qf8 Kg5 32.h4 Kh5 33.Qc5 Kh4 34.Re1 Qe1 35.Kh2 Qe4–/+) ½–½. Dive,RJ (2435) – Kulashko,A (2380), ch–NZL Auckland, 1996. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d6 6.e3 Nbd7 7.c4)

8.a3 Re8 9.Be2 e5 10.de5 de5 11.0-0 b6 12.Qc2= Bb7 13.c5 bc5 14.bc5 Bc6 15.a4 (15.Rfd1 Qe7=) 15...Nd5 (15...Rb8+=) 16.Bb5 Nb4 17.Qc3 Qe7 18.Rfc1 Rab8 19.Nb3 Bb5 (19...Bf3 20.gf3 c6 21.Bc4–/+ (21.Na5? cb5 22.Qb4 ba4–+)) 20.ab5+= Rb5 21.Ra5? (better is 21.Qc4 Reb8 22.Ra5 Ra5 23.Na5+=) 21...Ra5–+ 22.Na5 (22.Qb4 Ra2 23.Rb1 e4 24.Bg7 Rb8–+ (24...ef3 25.Bh6–+)) 22…Na2 (22...Na2 23.Qc2 Nc1–+) 0–1. Lumsdon,Andrew (2050) – Nithander,Victor (2365), 7th Gibtelecom Masters, Caleta ENG, 2009. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4)

8.b5 b6 9.a4 Bb7 10.Be2 e5 11.0-0 e4 12.Ne1 Re8 13.Rc1 h5 14.Nb3 Nf8 15.Nc2 h4 16.f3 (16.h3!?+=) 16...h3–/+ 17.g3 ef3 18.Bf3 Ne4 (18...Bf3 19.Qf3 Ne6 20.d5–/+) 19.Ba1 (19.Nd2 Nd7 20.Ne4 Be4 21.Be4 Re4=) 19...d5 20.c5 (20.Nd2 Nd2 21.Qd2 Nh7–/+) 20...Nh7 21.Ne1 (21.Be4 Re4 22.Nd2 Re8–/+) 21...Bh6 22.Qe2?? (better is 22.Nc2–+) 22...Ng3! 23.hg3 Be3 24.Kh2 Bc1 25.Qc2 Bh6 26.Nd3 (26.Kh3 Ng5 27.Kg2 Bc8–+) 26...Bc8 27.Ne5 Bf5 28.Qf2 f6 (better is 28...Ng5 29.g4 Be6 30.Bd1–+) 29.Nc6 (29.g4 Be4 30.Be4 de4 31.cb6 cb6 32.Ng6–+) 29...Qd7 30.Bc3 Be3 31.Qa2 Ng5 32.Nd2 Bd2 (32...Kg7 33.Bd5 Bd2 34.Ne5 fe5 35.Bd2–+) 33.Bd5 (33.Qd2 Nf3 34.Rf3 Re4–+) 33...Kh7 34.Bd2 (34.Ne5 Re5 35.de5 Bc3 36.Ba8–+) 34...Re2 35.Kh1 Qd5! 36.Qd5 Be4 (36...Rd2?! 37.Rf5 Rd1 38.Kh2 Rd2 39.Kh1 Rd1 40.Kh2 Rd2 41.Kh1=) 37.Qe4 Ne4 (37...Re4?! 38.Rf6 Ne6 39.cb6 cb6 40.d5–+) 38.Bf4 (38.Be1 Re8 39.cb6 cb6–+) 38...Nd2 (better is 38...Rg2 39.Rf3 Re8–+) 39.Rd1 (39.Bd2 Rd2 40.Rf6–+) 39...Nf3 40.g4 Rae8 41.Bg3 Rg2 42.Bc7 Ree2 0–1. Ursan,Petru Sebastian (1900) – David,Alexandru_Vasile (2210), Calimanesti ROM, Team Ch (m), 2014. (=1.d4 Nf6 2.Nf3 g6 3.Nbd2 Bg7 4.e3 0-0 5.b4 d6 6.Bb2 Nbd7 7.c4 a5)

8.b5 c5 9.g3 (9.bc6 bc6 10.Rb1 Re8=) 9...cd4 10.Nd4 (10.ed4 e5+=) 10...Nc5 11.N2b3 (11.a4!?+=) 11...a4 12.Nc5? (better is 12.Nd2–/+) 12...Qa5–+ (12...dc5?! 13.Nf3+=) 13.Ke2 (13.Qd2 Qd2 14.Kd2 dc5 15.Ne2 Ne4 16.Kc2 Nf2 17.Bg7 Bf5 18.Kc1–+) 13...dc5 14.Nc2 (14.Qe1 cd4 15.Qa5 Ra5 16.Bd4 Be6–+) 14...Rd8 (better is 14...Ne4 15.Bg7 Rd8–+) 15.Qe1 Ne4 (better is 15...Qb6 16.f3 Ne4 17.Bg7 Rd2 18.Qd2 Nd2 19.Kd2 Kg7–+) 16.Qa5 Ra5 17.Bg7 Kg7 (17...Rd2 18.Ke1 Kg7 19.Nb4 cb4 20.Bg2–+) 18.Bg2 (18.f3!? Rd2 19.Ke1 Rc2 20.Bd3–+) 18...Rd2–+ 19.Ke1 Rc2 20.Be4 Rc4 21.Bd3 Rb4 22.Rc1 (22.Kd2 Rb2 23.Kc3 Rf2–+) 22...b6 (better is 22...Rb2!? 23.a3 b6 24.h4–+) 23.Kd2 Rb2 (23...a3!? 24.Rc2–+) 24.Rc2–/+ Rc2 25.Kc2 Be6 26.a3? (better is 26.Ra1!?–/+) 26...c4–+ 27.Be4 Rb5 28.Rb1? (28.Ra1 Rb3–+) 28...Rb1 29.Kb1 Bf5 30.Bf5 (30.Bc2 Bc2 31.Kc2 b5–+) 30...gf5 31.Kb2 Kf6 32.Kc3 b5 33.f4 (33.f3 Ke6 34.Kb2–+) 33...Ke6 34.h3 Kd5 35.g4 Ke4 (better is 35...fg4 36.hg4 Ke4–+) 36.Kd2 fg4 37.hg4 Kf3 38.g5 Ke4 39.Kc3 Ke3 40.f5 Kf4 41.Kb4 Kf5 0–1. Janacek,Jaroslav (2120) – Pinc,Miroslav (2155), CZE–chTJ, 2001. (=1.Nf3 d6 2.d4 g6 3.c4 Nf6 4.b4 Bg7 5.Bb2 0-0 6.e3 Nbd7 7.Nbd2 a5)

8.b5 e5 9.Rc1=.

8.b5 Re8 9.Be2 e5 10.de5 Ne5 11.0-0 Qe7 12.Qc2 Bf5 13.Qb3 a4 14.Qc3 a3 15.Ba3 Nf3 16.Bf3 Ne4 17.Qb4 Nd2 18.Qd2 Ra3 19.Rad1 Rea8 20.e4 Ra2 21.Qd5 Be6 22.Qb7 Bc4 23.Rfe1 Qe8 24.Qc7 Qb5 25.Rd6 Qb2 26.Rd8 Rd8 27.Qd8 Bf8 28.Qh4 Bc5 29.Qd8 Kg7 30.Rd1 Qf2 31.Kh1 Bf1 32.Qg5 Qg1 0–1. barborski – donvito (1750), kurnik, 2012.

8.ba5 Ra5

9.Nb3 Ra8 10.Qc2 Nb6+=.

9.Nb3 Ra8 10.Be2 Nb6 11.0-0 Bg4 12.Nbd2 Na4 13.Qc1 (13.Qb3 Nb2 14.Qb2 b6–/+) 13...Nb2 (13...Bf5 14.Nh4 Be6 15.Nhf3–/+) 14.Qb2 b6 15.h3 Bf5 16.g4 (16.Qb3 e5–/+) 16...Bc8 17.Qc2 h5 (17...Bb7 18.a4–/+) 18.Nh2 (18.g5!? Nh7 19.h4+=) 18...hg4 19.hg4 Nd7 (19...e5 20.de5 de5 21.c5–/+) 20.Bf3 Ra7 21.Rab1 (21.Bc6 e5 22.Qc3 Nb8–/+) 21...e5 22.d5 (22.Rfe1 ed4 23.ed4 Bd4–+) 22...Nc5 23.e4 (23.Nb3 Na4–+) 23...f5 24.Rfe1 (24.ef5 gf5 25.Nb3 Na4–+) 24...fg4 (better is 24...Qg5–+) 25.Ng4?? (25.Bg4 Bg4 26.Ng4–+) 25...Qg5 26.Qd1 (26.Re3–+) 26...Ra2 27.Nf1 (27.Re3 Rd2! 28.Qf1 Rf3 29.Rf3 Ne4 30.Qg2 Bg4 31.c5 Bf3 32.Qg5 Ng5 33.c6 Rd4 34.Ra1 Rh4 35.Ra8 Kf7 36.Rf8 Bf8 37.Kf1 Rh1) 27...Bg4 28.Bg4 Rd2 (28...Rff2 29.Qe2 Rfe2 30.Re2 Qg4 31.Ng3 Re2 32.Rb3 Nb3 33.Kf1 Qf3 34.Kg1 Qg2) 29.Nd2+- (29.Qd2 Qg4 30.Ng3 Rf3+=) 29...Nd3 30.Rf1 Bh6 31.Nb3 (better is 31.Rb3 Nc5 32.Re3 Rf2 33.Rf2 (33.Kf2 Qe3 34.Kg2 Qd2 35.Qd2 Bd2+/–) 33...Qe3 34.Be6 Kh8 35.Nf1 Qe4 36.Qg4 Qg4 37.Bg4+-) 31...Rf4? (31...Kg7 32.Ra1 Qh4 33.Qd3 Qg4 34.Qg3 Qe4+=) 32.f3 (32.Qd3 Rg4 33.Qg3 Rg3 34.fg3 Qg3 35.Kh1 Qh3 36.Kg1 Be3 37.Rf2 Qg3 38.Kh1 Bf2 39.Nd4 Qh3) 32...Rg4 33.fg4 Qe3 34.Kg2 Nf4 (34...Qe4 35.Qf3 Nf4 36.Kh1 Qc4 37.Rfd1+-) 35.Rf4! ef4 1–0. Soissong,Elzbieta (1620) – Costa,Anthony (1760), Saint Affrique FRA, 2014. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.c4 Nbd7 7.Nbd2 a5)

9.Nb3 Ra8 10.Be2 Nb6 11.Qc1 c6 12.0-0 Na4 13.Ba3 Bd7 14.c5 Ne4 15.Bb4 dc5 16.Nc5 Nac5 17.Bc5 Nc5 18.Qc5 (worse is 18.dc5 Ba1 19.Qa1 Bg4–+) 18...Ra5 19.Qb4 Ra7 20.Bc4 Bf5 21.Rac1 Qa5 22.Qa5 Ra5 23.Rfd1 c5 24.Bb3 b6 25.Rd2 Rd8 26.Rcd1 Rc8 27.dc5 Rac5 (worse is 27...bc5 28.Rd8 Bf8 29.Ne5+/–) 28.Rd8 Rd8 29.Rd8 Bf8 30.h3 Rc8 31.Rd4 Bc2 32.Rb4 Bb3 33.ab3 Rb8 34.Rb5 e6 35.Ne5 Bd6 36.Nc6 Rb7 37.Kf1 Kf8 38.Na5 Rb8 39.Nc6 Rb7 40.Na5 Rb8 ½–½. Evdokimenko,Valentin (2310) – Petrova,Olga (2185), Anapa op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Nbd2 a5)

9.Bd3 Nb6+=.

7.Nbd2 c5

8.a3 b6 9.Be2 Bb7 10.0-0 d5 11.Qb3 dc4 12.Bc4 e6 13.bc5 Nd5 (13...Bf3 14.Nf3 (worse 14.gf3 bc5 15.Rfd1 Rb8=+) 14...bc5 15.Rab1+=) 14.cb6 N7b6 15.Be2 Rb8 16.Rab1 Bc6 17.Qc2 Ba4 18.Qd3 Nc8 19.Nc4 Bb5 20.Qd2 a6 21.Rfc1 Nd6 22.Nce5 Ne4 23.Qe1 (23.Qc2 Be2 24.Qe4 f5+/-) 23...Qd6 (23...Be2 24.Nc6 Qd6 25.Qe2= (worse 25.Nb8 Bd3-/+)) 24.Bb5 Rb5 25.a4 Rb6?? (25...Rb3 26.Qd1 Rfb8 27.Qc2 Be5 A) worse 28.de5 Qb4 29.Rf1 A1) 29...Qa4?! 30.Nd4 Nec3 31.Bc3 (31.Nb3? Nb1 32.Rb1 Qb3-+) 31...Rb1 32.Qa4 Rf1 33.Kf1 Nc3 34.Qc2 Rb1 35.Qb1 Nb1 36.Ke2=; A2) 29...f5=+; B) 28.Ne5+/-) 26.Ba1 (better 26.Nc4 Qb4 27.Nb6 Qe1 28.Re1 Nb6 29.Ba3 Na4 30.Bf8 Kf8 31.Rb8 Ke7 32.Rb7 Ke8 33.Ra1+-) 26...Rb1+/- 27.Rb1 f6 28.Nd3 Qa3 29.Qd1 Ndc3 30.Bc3 Nc3 31.Rb3 Nd1 32.Ra3 Rc8 33.Ra1 Nc3 34.Kf1 Nd5 (34...Bf8 35.Rc1 Ba3 36.Rc2+/-) 35.Rc1 Rc1 36.Nc1 Nc3 37.a5 Bf8 38.Nb3 Bb4 39.Nfd2 Nd5 40.Nc4 Kf7 41.Ke2 Ke7 42.Kd3 Nc7 43.e4 Nb5 44.Nb6 Kd6 45.Kc4 Be1 46.f3 Bf2 47.Na4 Kc6 (47...Na3!? 48.Kd3 Nb5+/-) 48.Nac5+- Nc7 49.Nc1 Bg1 50.h3 Bh2? (better 50...Kd6+-) 51.N1d3 Bd6 (51...Bg1 52.Nb4 Kd6 53.Nba6 Na6 54.Na6 e5+-) 52.Nb4 1-0. Schwaatz (2025) - infsys08 (1785), Rated Blitz game, lichess.org, 2013. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 Nbd7 7.Nbd2)

8.Qb3 cb4 9.Qb4 b6 10.Be2 Bb7 11.0-0 Ne4 12.Rfd1 Ndf6 13.Nf1 (13.Ne4 Ne4 14.Nd2 Nd2 15.Rd2 e6+=) 13...e6 (13...Ng4 14.N1d2 Nef2 15.Rdc1=+) 14.a4 (14.N3d2 Rc8=) 14...Qd7 (14...Ng4 15.Rdb1-/+) 15.Ba3 (15.Ne1 h6=) 15...Rfc8 (15...Ng4 16.N1d2 Nef2 17.Rdb1=+) 16.a5 (16.N1d2!?=) 16...ba5=+ 17.Qa5 Bf8 (17...Ng4 18.N1d2 Nef2 19.Rdb1-/+) 18.Rac1 (18.Bd3 Bg7=) 18...Qc7 (18...Qc6 19.Bd3=) 19.Qc7 Rc7 20.Ng3 (20.Ne1!? Nd7 21.f3=) 20...Ng3=+ 21.hg3 Ne4 (21...a5 22.Kf1=+) 22.Rc2 (22.Nd2 a5=) 22...Rac8 23.Rdc1 (23.g4=+) 23...d5 (better 23...a5!?=+) 24.c5 a5 25.Ra1 Bc6 26.Bc1 (26.Ne5 Ba4 27.Rcc1 f6=) 26...a4 27.Ne5 Ra7?? (better 27...Be8=) 28.Nc6+- Rc6 29.Rca2?? (better 29.Bb5 Rcc7 30.Ra4 Ra4 31.Ba4+-) 29...Nc3=+ 30.Rc2 Ne2 31.Re2 Rca6 (31...h5 32.Ra3=) 32.Ba3 Rc6 33.Rb2 Be7 34.Rb8 Kg7 35.Kf1 e5 (35...Kf6 36.Ke2=) 36.Ke2 ed4 37.ed4 Bf6 38.Kd3 Rac7 (38...h5 39.Rab1=) 39.Bb4 (39.Ra8 Rb7 40.Ra4 h5+-) 39...Re6? (better 39...Ra7+=) 40.Ra4+- Re4 41.Bd2 Rce7 (41...g5 42.f3 Re6 43.Raa8+-) 42.f3 Re2 43.Raa8 (43.Raa8 h5 44.c6+-) 1-0. zembelek (2145) - leguizcaro (1940), Rated Blitz game, lichess.org, 2013.

8.Qb3 cd4 9.Bd4 a5 (9...Qc7 10.Bd3=) 10.a3 e5 (10...Qc7 11.Bd3=) 11.Bb2 e4 (11...Re8 12.e4=) 12.Ng5 (12.Nd4 d5=) 12...Re8 (12...Qe7 13.Qc2=) 13.h4 (13.c5 d5=) 13...h6+= 14.Nh3 Ne5 15.Nf4 Bg4 16.c5 (16.Rb1 ab4 17.Qb4 Ra6+=) 16...ab4 (16...a4 17.Qc2+=) 17.ab4 Ra1 18.Ba1 dc5 (18...Qd7 19.Nc4 Ra8 20.Bd4 (20.Be5?? de5 21.Nd6 ef4–+) 20...Nc4 21.Bc4=) 19.Be5 (19.bc5 Qc7 20.Bd4 Kh7=) 19...Re5+= 20.Ng6? (better is 20.Bc4 Re7 21.Ng6= (worse is 21.bc5 Qa5–/+)) 20...Rd5–+ 21.f3? (21.Qa2 Rd2! 22.Qd2–+) 21...Rd2 (21...fg6?! 22.fe4 Ne4 23.Bc4 Nd2 24.Bd5 Kh7 25.Kd2 cb4 26.Rf1=) 22.fg4 Ng4 23.Be2 (23.Bc4 Rb2 24.Bf7 Kh7 25.Bg8 Qg8 26.Qg8 Kg8–+) 23...Rb2 24.Qd5 Bc3 (24...Bc3 25.Kf1 Rb1 26.Bd1 Rd1 27.Ke2 Rd2 28.Ke1 Rc2 29.Qd2 Qd2 30.Kf1 Qg2) 0–1. Brygov,I (1940) – Postnikov,D (2155), Khanty–Mansiysk RUS, Governor's Cup–B, 2012. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Nbd2 0-0 5.b4 d6 6.Bb2 Nbd7 7.c4 c5)

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 cd4 12.ed4 e5 13.Be2 e4 14.Ng5 Qe7 15.0-0? (15.Qa3!?=+) 15...h6 (better 15...e3!? 16.Nb1-+) 16.Nh3-/+ e3 17.Nf3 (better 17.Nb3 ef2 18.Rf2-/+ (18.Kf2?? Re8 19.Nc1 Qe3 20.Ke1 Ng4-+)) 17...Ng4 (17...ef2 18.Rf2 Ng4 19.Bd3 Nf2 20.Nf2-+) 18.d5 (18.Bd3 Nb6=) 18...ef2 (better 18...Bb2!? 19.Qb2 Re8-/+) 19.Nf2=+ Qe2?? (better 19...Bb2 20.Qb2 Nc5=+) 20.Bg7+- Re8 (20...Qe3 21.Bf8 Nf8+-) 21.Ng4 Qc4 (21...f6 22.Bf6 Ne5 23.Nh6 Kh7 24.Ne5 Qe3 25.Kh1 de5+-) 22.Nh6 Kh7 23.Ng5 1-0. Maci (2470) - mch21 (2480), Rated Blitz game, lichess.org, 2016. (=1.Nf3 A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems 1...g6 2.d4 Bg7 3.b4 d6 4.Bb2 Nf6 5.e3 0-0 6.Nbd2 Nbd7 7.c4)

8.b5 Qc7 9.Be2 Nb6 10.0-0 cd4 11.Nd4 (11.ed4 a6 12.ba6 ba6 13.Bd3=) 11...d5 (better is 11...e5!? 12.N4f3 Bf5+=) 12.Rc1+= Qd8 (better is 12...dc4!? 13.Nc4 Rd8+=) 13.c5+- Nbd7 (13...Nc4 14.Nc4 dc4 15.Bc4+-) 14.c6 Nb6 15.a4 a5 (15...Ne4 16.c7 Qd6 17.Ne4 de4 18.Qb3+/–) 16.ba6! ba6 17.a5 (17.c7 Qe8 18.a5 Na4+-) 17...Nc4 18.Bc4 dc4 19.Nc4 Qc7 20.Ba3 Ng4 (20...Re8 21.Bc5 Be6 22.Bb6+-) 21.g3 Ne5 (21...Bd4 22.Qd4 Be6 23.Nb6+-) 22.Nb6 Rb8 (22...Bh3 23.Na8 Ra8 24.Re1+-) 23.Bc5 (23.Nd5!? Qa5 24.Ne7 Kh8+-) 23...Rd8 (23...Re8 24.Nd5 Qa5 25.Ne7 Kh8 26.Bd6+-) 24.Nc8 Rdc8 25.Bb6 Qd6 26.f4 Nc6 27.Nc6 Rc6 28.Qd6 Rd6 (28...ed6?? 29.Rc6 Bf8 30.Bd4+-) 29.Bc7 Rc8?? (29...Rb5 30.Bd6 ed6 31.Rc8 Bf8+-) 30.Bd6 Rc1 (30...Re8 31.Be5+-) 31.Rc1 ed6 32.Rc6 1–0. Stsiapnou,Mikita – Gurjidze,Luka, Batumi GEO, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 Nbd7 7.Nbd2 c5)

8.bc5 dc5

9.Qb3 b6 10.Be2 e6 11.0-0 Bb7 12.a4 Qc7 13.Rfb1 cd4 14.ed4 Nh5 15.Qe3 Nf4 16.Bf1 Bh6 17.Qc3 Bg7 18.g3 Nh5 19.Bg2 Rac8 20.a5 Ra8 21.Qe3 Nhf6 22.ab6 ab6 0–1. Lumsdon,Andrew (2335) – Schmidt,Torsten, ICCF Corr World Cup, 2000. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4)

9.Bd3 cd4 10.ed4 b6 11.0-0 Bb7 12.Re1 e6 13.Rc1 Rc8 14.Ba3 Re8 15.Bd6 Bf8 16.Bf8 Nf8 17.Nb3 Bf3 (17...N8d7 18.c5+=) 18.Qf3 Nh5 (18...N8d7 19.c5 bc5 20.dc5+=) 19.Rcd1 (19.Be4 Qf6+/-) 19...a5 20.d5 (20.c5 a4 21.Nc1 bc5 22.dc5 Qa5+=) 20...ed5 21.Re8 Qe8 22.cd5 Rc3 23.Bb5 Rf3 (23...Qe5 24.Qe2 Qd6 25.Qd2+=) 24.Be8+/- Rc3 25.d6 Nf6 26.d7 N8d7 27.Bd7 (worse 27.Rd7 Nd7 28.Bd7 Rc2-+) 27...Nd7 28.Rd7 a4 29.Nd2 Rc2 (29...Ra3+/-) 30.Nf1 (better 30.a3!? Rc1 31.Nf1+/-) 30...Ra2= 31.g3 Rb2 (31...a3 32.Kg2 b5 33.Ne3=) 32.Ra7 b5 33.Ne3 Rb3 (33...h5 34.Kg2+=) 34.Nd5 (better 34.Ng4+/-) 34...b4? (better 34...Kg7+=) 35.Ra4+- Rb1 36.Kg2 b3 37.Nc3?? (better 37.Rb4+-) 37...Rc1= 38.Ne2? (better 38.Nb5 b2 39.Na3=) 38...Rc2?? (better 38...b2 39.Rb4 b1Q 40.Rb1 Rb1-+) 39.Nd4 (39.Kf3 Rc1 40.Rb4 Rb1+-) 39...b2 40.Rb4 Rd2 41.Nf3 (better 41.Nb5+-) 41...Re2 42.Nd4 Rd2 43.Nf3 Rc2?? (43...Re2 44.Rb7 f6+-) 44.Nd4 (better 44.Ne5+-) 44…Rc4 (44...Rc4 45.Rb8 Kg7+-). voprak (1870) - sde (2010), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.d4 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Bb2 Nbd7 7.Nbd2)

9.d5 b5 10.e4 bc4 11.Qc2 Ba6 (11...Rb8!? 12.Bc3 Nb6 13.Bc4 Nc4 14.Nc4 e6=) 12.Bc4+- Bc4 13.Nc4 (worse 13.Qc4 Ne4 14.Bg7 Nd2 15.Nd2 Kg7–/+) 13...Nb6 14.Nfe5 Qc7 15.0-0 Rab8 16.Rab1 (16.f3!?+-) 16...Nc4= 17.Nc4 (17.Qc4? Rb2 18.Rb2 Qe5–+) 17...Rb4 (17...Ng4 18.g3 Bd4 19.Qe2=) 18.Ba3 (better 18.f3!? Nh5 19.Bg7 Kg7 20.a3 Rb1 21.Rb1+-) 18...Rb1= 19.Rb1 Ng4 20.h3 Qh2 21.Kf1 Nf2? (better 21...Ne5 22.Ne3 Bh6=) 22.Bc5?? (22.Kf2 Bd4 23.Kf3=) 22...Nh3!–/+ 23.Be7?? (23.gh3 Qh1 Double attack (23...Qc2 Pinning; 23...Qc2 Deflection; 23...Qh1 Decoy; 23...Qc2 Clearance)) 23...Qg1 (23...Rc8 24.Re1–+) 24.Ke2 Qg2 25.Kd1 Nf2 26.Kc1 (26.Ke1 Rc8 27.d6–+) 26...Qh1 27.Kd2 Ne4 28.Kd3 Qf3 29.Ne3 Nf2 30.Kd2 Bh6 31.Rb3 (31.Re1 Re8 32.d6 Ne4 33.Kd3 Nd6–+) 31...Ne4 32.Kc1 (32.Qe4 Qe4 33.Bf8 Be3 34.Re3 Qd5 35.Ke1 Kf8–+) 32...Be3 33.Kb2 Re8 34.d6 Bd4 35.Ka3 Qf5 (35...Qf5 36.Rb4 Bc5–+) 0–1. Siclet,Mathieu (1840) – Loiseau,Quentin (2185), FRA–ch U16, 2010. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nbd2 d6 6.e3 Nbd7 7.c4 c5 8.bc5 dc5)

9.d5 Re8 10.Rb1 a6 11.a4 Rb8 12.Be2 b5 (12...e6!?=) 13.ab5 ab5 14.0-0 bc4 15.Nc4 Ba6 16.d6 Bc4 17.de7 Qe7 18.Bc4 Nb6 19.Bb5 Red8 20.Qc2 Nbd5 21.Bc4 Nb4 22.Qb3 Nd3?? (22...Ne4 23.Bg7 Kg7 24.Rbd1=) 23.Qc2 (better 23.Bf6 Bf6 24.Qb8 Rb8 25.Rb8 Kg7 26.Bd3+-) 23...Nb2= 24.Rb2 Rb2 25.Qb2 Ne4 26.Qa2 g5 27.h3 h5 28.Rc1 g4 29.hg4 hg4 30.Nh2 g3 31.fg3 (31.Ng4 Nf2 32.Nf2 Qe3 33.Rf1-+) 31...Ng3 (better 31...Nc3 32.Rc3 Bc3-+) 32.Nf3?? (better 32.Qf2 Nf5 33.Nf1=) 32...Qe3-+ 33.Kh2 Be5 (33...Qf4 34.Bf7 Kf8-+ (34...Qf7?! 35.Qf7 Kf7 36.Kg3=+)) 34.Bf7 (34.Ne5 Qe5 35.Kg1 Qe3 36.Kh2 Qc1 37.Bf7 Kg7 38.Qe6 Nf1 39.Kg1 Ne3 40.Kh2 Rh8 41.Kg3-+) 34...Kg7 35.Re1 (35.Bh5 Nh5 36.g3 Bg3 37.Kg2 Qc1 38.Qa7 Kh6 39.Qf7 Qc2 40.Kh3-+) 35...Ne2 (35...Rh8 36.Bh5 Rh5 37.Nh4 Rh4) 36.Kh3 (36.Kh1 Rh8 37.Bh5 Rh5 38.Nh4 Rh4) 36...Rh8 (36...Qf4 37.Ne5 Qg3) 37.Kg4 (37.Bh5 Rh5 38.Kg4 Qf4 39.Kh5 Ng3) 37…Qf4 0-1. bjoernsen (2415) - Moro_Disciple (2405), Rated blitz game, lichess.org, 2023.

8.dc5 dc5

9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Be2 Nb6 14.0-0 Be6 15.Qc2 Qa8 16.Be5 Nh5 17.Ra1 Qc8 18.Qc3 f6 19.Bg3 Ng3 20.hg3 f5 21.Qc1 Ba1 22.Qa1 Qd7 23.Qb2 Bf7 24.Ng5 h6 25.Nf7 Rf7 26.Nf3 Qe6 27.Ne5 Rf8 28.f4 Qf6 29.Qd2 Qe6 30.Bf3 Ra8 31.Bb7 Ra4 32.Qd8 Kg7 33.Kh2 g5 34.Nc6 Rc4 35.Ne7 Rc1 36.Bd5 Nd5 37.Nd5 Rd1 38.Qc7 Qf7 39.Qe5 Kh7 40.Ne7 c4 41.Nf5 Rd5 42.Qe7 Rf5 43.Qf7 Rf7 44.b6 Rb7 45.fg5 c3 46.Kh3 c2 47.gh6 c1Q 48.Kg4 Qe3 49.Kh3 Rb6 50.Kh2 Rh6 0–1. barborski (1615) – feliks64, kurnik, 2012.

9.b5 b6 10.Qc2 Bb7 11.Be2 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Qa8 15.0-0 Nh5 16.Bg7 Ng7 17.Rd1 Nf6 18.Bf1 Ne4 19.Ne4 Be4 20.Qe2 Bf3 21.Qf3 Qf3 22.gf3 Ne6 23.f4 Rd8 24.Rd8 Nd8 25.Bg2 Kg7 26.Bd5 e6 27.Ba8 f6 28.f3 Nf7 29.Be4 Kh6 30.Kf2 Kh5 31.Kg3 h6 32.Bd3 Nd6 33.e4 g5 34.f5 e5 35.Be2 g4 36.h3 gf3 37.Bf3 Kg5 38.h4 1–0. barborski – elzabalfa, kurnik, 2012.

7.Nbd2 c6

8.a4 Re8 9.Be2 a5 10.b5 c5 11.0-0 b6 12.Qc2 e5 13.de5 Ne5 14.Rad1 Qc7 15.Ne5 de5 16.Ne4 (16.Bf3 Bf5 17.e4 Be6+=) 16...Bf5 (better 16...Ne4!? 17.Qe4 Bf5=+) 17.Nf6+= Bf6 18.e4 Be6 19.Rd2 (19.f4 Rad8+=) 19...Red8 20.Rfd1 Rd2 21.Rd2 Rd8 22.Qd1 Rd2 23.Qd2 Qd7 (23...Bg7 24.Qe3=) 24.Qc2 (24.Qd7 Bd7 25.f4 Be6+/-) 24...Kf8 25.f4 Qc7 26.Qc3 Ke7 27.h3 Qb7 28.Bf3 Qd7 29.fe5 Bg5 30.Be2 h5 31.Kf2 Bh4 32.g3 Bg5 33.h4 Bh6 34.Qf3 Bg7 35.Qe3 Qc7 Attacks the isolani on e5 36.Qg5 Ke8 37.Ke3 Qd8 38.Qf4 Qd7 39.Bd3 Qc7 40.Qg5 Qd7 41.Be2 Qd8 42.Qf4 Qd7 43.Qg5 Qd8 44.Qf4 Qd7 45.Bc3 Qd8 46.Bf3 (46.Kf3 Qe7=) 46...Qc7 (better 46...Bc4!? 47.Be2 Bb3-/+) 47.Be2= Qd7 48.Qf1 Qc7 49.Kf4 f6 50.g4 fe5 51.Kg3 hg4 52.Bg4 Qd7 (52...Bg4 53.Kg4 Bh6 54.h5=+) 53.Be6= Qe6 54.Qe2 Ke7 55.Qd3 Bh6 56.Qd5 Bf4 57.Kf2 Qd5 (57...Qh3 58.Qb7 Kf8 59.Qb8 Kf7 60.Qc7 (60.Qb6 Qe3 61.Kf1 Qd3 62.Kf2 Be3 63.Kg3 Bd2 64.Kf2 Qe3 65.Kf1 Qe1 66.Kg2 Qe2 67.Kg1 Be3 68.Kh1 Qf1 69.Kh2 Bf4) 60...Kg8 61.Qd8 (61.Qb6 Qe3 62.Kf1 Qd3 63.Kf2 Be3 64.Kg3 Bd2 65.Kf2 Qe3 66.Kf1 Qe1 67.Kg2 Qe2 68.Kh3 Qf1 69.Kg3 Bf4 70.Kg4 Qg2) 61...Kh7 62.Qe7 (62.Qb6 Qe3 63.Kf1 Qd3 64.Kf2 Be3 65.Kg3 Bd2 66.Kf2 Qe3 67.Kf1 Qe1 68.Kg2 Qe2 69.Kh3 Qf1 70.Kg3 Bf4 71.Kg4 Qg2) 62...Kh6 63.Qf8 Kh5 64.Qh8 Bh6 A) worse 65.Be5 Qe3 (worse 65...Qh4 66.Bg3 Qg4 67.Qb8+=) 66.Kf1 Qe4-/+; B) 65.Qe5 Kh4 66.Qf6 Bg5 67.Qh8 (67.Qb6 Qe3 68.Kf1 Qf3 69.Ke1 Qc3 70.Kf2 Qe3 71.Kf1 Qd3 72.Ke1 Bd2 73.Kf2 Be3 74.Kg2 Qe2 75.Kh1 Qf3 76.Kh2 Qh3) 67...Kg4 68.Qh3 Kh3 69.e5+=) 58.ed5 Kf6 59.Kf3 Kf5 60.Kf2 e4 61.Ke2 Be5?? (61...Bg3 62.Be1 Be5 63.Bd2=) 62.Bd2?? (better 62.Be5!? Ke5 63.Kf2+-) 62...Bg3 (better 62...Bf6!? 63.d6 Bh4 64.Ba5 Bd8= (64...ba5?? 65.b6+-)) 63.Bg5+/- Be5?? (better 63...Ke5 64.Ke3 Bh2+-) 64.Bd8+- Bg3 65.Bb6 Bh4 (65...Kf6 66.Bc5 Kf5 67.d6+-) 66.Bc5 (66.Bc7 e3+-) 66...g5 (66...Bg3 67.Bb6+-) 67.Bb6 (better 67.Bd6 g4 68.b6+-) 67...g4 (67...Bg3 68.Ba5 Bd6 69.Be1+-) 68.Ba5 g3 69.Bb6 g2 70.a5 Bd8 (70...e3 71.Be3 Bg5 72.Bg1+-) 71.Kf2 (71.Bd8?? g1Q 72.Bb6 Qc1-+) 71...Kf4 (71...e3 72.Kg2 Bh4 73.Be3+-) 72.Kg2 Bf6 73.a6 e3 74.a7 e2 75.Bf2 Bd4 76.a8Q (76.Bd4?! e1Q 77.a8Q Qe4 78.Kf1 Qb1 79.Kf2 Qc2 80.Kg1 Qb1 81.Kh2 Qh7 82.Kg2 Qe4 83.Kf2 Qc2 84.Ke1 Qc1 85.Ke2 Qc2 86.Ke1 Qc1 87.Ke2 Qc2 88.Ke1=) 76...Bf2 77.Kf2 Ke4 78.Ke2 (78.Ke2 Ke5 79.Qe8 Kf5 80.d6 Kf6 81.d7 Kg5 82.d8Q Kf5 83.Qf7 Ke5 84.Qdd5) 1-0. Schwaatz (2020) - angort (1970), Rated Blitz game, lichess.org, 2013. (=1.d4 Nf6 2.Nf3 d6 3.e3 g6 4.b4 Bg7 5.Bb2 Nbd7 6.Nbd2 0-0 7.c4)

8.Rc1 b6 9.Qb3 (9.Bd3 Bb7+=) 9...Bb7 (9...a5 10.ba5 ba5 11.Bd3=) 10.Be2 (10.Bd3 a5=) 10...d5 (10...a5 11.ba5 Ra5 12.0-0=) 11.0-0 e6 (11...a5 12.cd5 Nd5 13.Rfd1+=) 12.a4 Re8 13.Rfd1 Rc8 14.Nf1 dc4 15.Bc4 Nd5 (15...Qe7 16.N1d2+=) 16.Ng3 (16.e4 Nf4+/-) 16...N7f6 (16...Qe7!?+=) 17.e4+/- Ne7 18.b5 (18.a5!?+/-) 18...cb5+= 19.Bb5 Rc1 20.Rc1 Rf8 21.Nd2 (21.Qd3 Qa8 22.Rc7 Nc6+=) 21...h5 (21...Bh6!? 22.Qc2 Bd2 23.Qd2 A) worse 23...Be4 24.Qg5+/- (worse 24.Ne4 Ne4 25.Qf4 f5=); B) 23...Ne4 24.Ne4 Be4=) 22.f3 h4 23.Ne2 Bh6 (23...h3 24.g3+=) 24.Rc2+/- Nh5 25.Nc4 (25.Bc4 h3+=) 25...Nc6?? (better 25...a6=+) 26.Bc6 (26.Qc3 Ne7 27.Ba3 Nf4+/-) 26...Bc6 27.Nb6 (better 27.Ba3 Nf4 28.d5 ed5 29.Nf4 (29.Bf8?? dc4 30.Qb1 Ne2 31.Re2 Bf8-+) 29...dc4 30.Rc4= (30.Qc4? Bf4 31.Kf2 Bb7-+)) 27...Ba4?? (better 27...Be4 28.fe4 Qb6+=) 28.Na4+- (28.Qa4?! ab6 29.Ba3 Re8+/-) 28...h3 29.g4 (29.g3 Nf6+-) 29...Nf4 30.Ng3 (30.Qc3 Ng2+-) 30...Ng2 31.Ba3 (better 31.Qc3!? Be3 32.Kh1 Qf6+-) 31...Re8?? (better 31...Qd4 32.Rf2 Be3-+) 32.Rg2 hg2 33.Kg2 (better 33.Bc5!?+-) 33...Qd4+/- 34.Bc5 Qd2 35.Kh3 Bf4 36.Qc3 Qd7 37.Nb2 e5 (37...Qc7 38.Bd4 Qc3 39.Bc3+/-) 38.Nd3+- g5 (38...Rc8 39.Qa3+/- (39.Ne5?! Qc7 40.Ng6 fg6+=; 39.Nf4?! ef4 40.Qe5 fg3=)) 39.Kg2 (39.Nf5 Re6+-) 39...Rc8 (better 39...Rd8 40.Nf2 Qc7+-) 40.Nf5 Qe6 41.Qc2 (41.Qb2 Rd8 42.Nf4 gf4 43.Ba7 Rd1+-) 41...a5 42.Ne7?? (better 42.Qa4 Ra8 43.Ne7 Kh7 44.Nd5+-) 42...Kh7?? (better 42...Qe7! 43.Qf2 Qf6 44.Nf4 gf4-+ (44...Qf4?! 45.Be3 Qf6 46.Qd2-/+)) 43.Nc8+- (43.Nf4?! Qe7 44.Nd3 Qc7+-) 43...Qc8 44.Nf4 (44.Qa2 Qc7+-) 44...gf4 (44...ef4 45.Qc4 Kg6 46.Qb5+-) 45.Qc3 Qe6 (45...Qc7 46.Bd4 Qc3 47.Bc3+-) 46.Qa5 Qc4 47.Bf2 Qe2 (47...Qe6 48.Qd5 Qe7 49.Bb6+-) 48.Qe5 1-0. zembelek (2025) - leguizcaro (1915), Rated Blitz game, lichess.org, 2013.

8.Rc1 c5 9.a3=.

8.Bd3+= c5 9.bc5 dc5 10.0-0+=.

8.Bd3 Re8 9.0-0 e5 10.e4 ed4 11.Bd4 Ne5 12.Ne5?? (better is 12.Be2=) 12...de5–+ 13.Nb3 ed4 14.Qc2 Ng4 15.h3 Ne5 0–1. futsalboy (1730) – maslak58 (1910), kurnik, 2011.

8.Qb3 Qc7

9.Rc1 e5 10.Bd3 ed4 11.Bd4 c5 12.Bc3 cb4 13.Qb4 Nc5 14.Bb1 Bd7 15.0-0 Bc6 16.Nd4 a5 17.Qb2 Be4?? (better 17...Na4 18.Qa3 Nc3 19.Rc3 Rac8=) 18.Nb5+- (18.Ne4?! Nfe4 19.Nb5 Bc3 20.Rc3 Qe7 21.Be4 Ne4+=) 18...Qe7 19.Ne4 Nce4 20.Be4 Qe4 (20...Ne4 21.Bg7 Rfc8+-) 21.Nd6 (better 21.Bf6 Bf6 22.Qf6+-) 21...Qe6 22.Nb7 Rfb8 23.Be5 Re8 24.Nc5?? (better 24.Bf6 Bf6 25.Qb5+-) 24...Qe5-/+ 25.Qe5 Re5 26.Nd3 Re7 27.c5 (27.Rfd1 Ne4 28.Nf4 Rb7-+) 27...Rc7 (27...Ne4 28.Nf4 Rc7 29.c6-+) 28.Rc4-/+ Bf8 (28...Rd8 29.Nc1-+) 29.Rfc1 (29.c6 Nd5-+) 29...Rac8 (29...Nd7 30.c6 Nb8 31.Kf1-+) 30.h3 (30.Ra4!?-/+) 30...Nd7-+ 31.Ra4 (better 31.c6 Nb8 32.Ra4 Nc6 33.Nf4-+) 31...Nf6 (better 31...Nc5 32.Rac4 Bd6 (32...Nd3?! 33.Rc7 Nc1 34.Rc8 Na2 35.Ra8=+) 33.Nc5 Rc5 34.Rc5 Rc5 35.Rc5 Bc5-+) 32.Ra5 (32.Rac4 Kg7 33.c6-/+) 32...Ne4-/+ 33.f3 (33.Rb5 Rd7 34.Rb3 Nc5 35.Nc5 Rc5 36.Rc5 Rd1 37.Kh2 Bc5-/+) 33...Nc5 34.Nc5 (34.Nb4 Ne4! 35.Rc7 Rc7-+) 34...Rc5 (better 34...Bc5!? 35.Kf1 Be3 36.Rc7 Rc7-+) 35.Rac5-/+ Rc5 36.Rc5 Bc5 37.Kf2 Kf8 38.Ke2 Ke8 39.Kd3 Kd7 40.e4 Kc6 41.Kc4 Bd6 42.a4 (42.g4 g5-/+) 42...g5 43.Kd4 (43.a5 Bg3 44.Kb4 Be1 45.Ka4 h6-/+) 43...f6 44.Ke3 (44.Kc4 Kb6-/+) 44...Bf4 (44...Kc5 45.Kd3-+) 45.Kf2 (45.Kd3!?-/+) 45...Kb6-+ 46.g3 Be5 47.h4 h6 (47...gh4!? 48.gh4 Bf4 49.h5-+) 48.hg5 hg5 49.Kg2 Ka5?? (better 49...g4-+) 50.Kh3= Ka4 51.Kg4 Kb5 52.f4 gf4 53.gf4 Bd6 54.e5 fe5 55.fe5 Be7 ½-½. zembelek (2050) - leguizcaro (1920), Rated Blitz game, lichess.org, 2013.

9.Rc1 e5 10.Be2 ed4 11.Bd4 Ne5 (11...a5 12.b5=) 12.Qb2 Nfg4 13.0-0 Nf3 (13...c5 14.Bc3=) 14.Nf3 Ne5 15.Rfd1 Bf5 (15...f6 16.Qd2+=) 16.c5 (16.Nh4 Be6 17.f4 Bf6+-) 16...Nf3+= 17.Bf3 Bd4 18.Qd4 dc5 19.Qc5 Rad8 (19...Qb6 20.Rd6+=) 20.h3 (20.Rd8!? Qd8 21.b5+/-) 20...Rd1 21.Rd1 Rd8 (21...a6 22.a4+=) 22.g4 (better 22.Rd8 Qd8 23.Qa7+-) 22...Rd1= 23.Bd1 Be6 (23...b6 24.Qc3 Be4 25.Bc2 Bc2 26.Qc2=) 24.a4 (24.Qa7!? Bd5 25.a4+/-) 24...b6= 25.Qd4 c5 26.bc5 bc5 27.Qc3 Qd6 28.Be2 h5 29.f4 (29.gh5 gh5 30.Qf6 Qd5=) 29...hg4=+ 30.hg4 Bd7 31.a5 Bc6 (better 31...g5=) 32.Bf1?? (better 32.g5=) 32...Qd5 33.g5? (33.Qd3 Qf3 34.Kh2 Qg4 35.Qd8 Kg7-+) 33...Qh1 (33...Qf3!? 34.Qd2 Qg3 35.Bg2-+) 34.Kf2 Qh2?? (better 34...Qh4 35.Ke2 Bb5 36.Kd1 Qh1-+ (36...Bf1?! 37.Qc5 Qg4 38.Kc1-+)) 35.Ke1= Qg3 36.Kd1 Bf3 37.Be2 Be4? (better 37...Qg1 38.Kd2 Qf2=) 38.Qc5+- Qg1 39.Kd2 Qb1 40.Qc3 (40.Qa7?! Qb4 41.Kd1 Qb1 42.Kd2 Qb4 43.Kd1 Qb1 44.Kd2=) 40...Qa2 41.Ke1 Qd5 (41...Qb1 42.Kf2+-) 42.a6 Qa2 43.Kf2 Qb1 44.Qd4 Qh1 45.Qd8?? (better 45.Bc4 Qg2 46.Ke1 Qg1 47.Kd2 Qf2 48.Kc3 Qe1 49.Kb3 Qb1 50.Ka4 Bc6 51.Ka3 Qc1 52.Kb4 Qe1 53.Kc5+-) 45...Kh7= 46.Qd4 Qg2?? (better 46...Qh4 47.Kf1 Qh1 48.Kf2 Qh4 49.Kf1 Qh1 50.Kf2=) 47.Ke1+- Qg1 48.Kd2 Qb1 49.Qc4 (49.Qa7?! Qb4 50.Kd1 Qb1 51.Kd2 Qb4 52.Kd1 Qb1 53.Kd2=) 49...Qb2 50.Ke1 Qc1?? (50...Qb1 51.Kf2 Kg8 52.Bf1+-) 51.Kf2 (better 51.Qc1 Bd5 52.Qc5 Bb3 53.Qa7 Ba2 54.Qd4 Bb3 55.a7 Bd5 56.Qd5 Kg8 57.a8Q Kg7 58.Qe5 f6 59.Qe7) 51...Qd1?? (better 51...Qc4 52.Bc4 Kg7+-) 52.Bd1 (52.Qf7 Kh8 53.Bd1 Bc2 54.f5 Bf5 55.Qf8 Kh7 56.Qh6 Kg8 57.Bb3 Be6 58.Be6) 52...Bd5 (52...Kg8 53.Bb3 Bd5 54.Qd5 Kh8 55.Qd7 f5 56.Qe8 Kg7 57.Qg8) 53.Qd5 (53.Qd5 Kh8 54.Qd8 Kh7 55.Bb3 Kg7 56.Qf6 Kg8 57.Qf7 Kh8 58.Qg8) 1-0. zembelek (2085) - leguizcaro (1890), Rated Blitz game, lichess.org, 2013.

9.Be2 Re8 10.0-0 e5 11.de5 de5 12.c5 h6 13.Nc4 Bf8 14.Rad1 Nd5 15.e4 Nf4 16.Rfe1 Ne2 17.Re2 b6 18.Nd6 Re6 19.Red2 (19.Nc8?! Rc8 20.cb6 ab6+=) 19...Bd6 20.Rd6 (20.cd6?! Qd8+/–) 20...Re7 21.Rg6 Kh7 22.Rgd6 bc5 23.bc5 Rb8 24.Qe3 f6 25.Bc1 Rb1 (25...Kg8 26.Qh6 Rg7 27.Nh4+-) 26.Qh6 Kg8 27.Nh4 Rh7 (27...Qd8 28.Qf6! Qe8 29.Qf3+-) 28.Qg6 Rg7 29.Qe8 Kh7 (29...Nf8 30.Rf6 Rf7 31.Rf7 Qf7 32.Qc8 Qf4+-) 30.Nf5 Nc5 (30...Rc1 31.Rc1 Nf8 32.Ng7 Qg7 33.Qc8 f5+-) 31.Ng7 (31.Qh5 Kg8 32.Rd8 Qd8 33.Rd8) 31...Qd6 (31...Rc1 32.Rc1 Qd6+-) 32.Qh5 (32.Qh5 Kg8 33.Rd6 Rc1 34.Rd1 Rd1 35.Qd1 Kg7 36.Qd6 Ne4 37.Qc7 Kf8 38.Qc8 Ke7 39.Qc6+-; 32.Rd6?? Rc1 33.Rd1 Rd1) 1–0. Lumsdon,Andrew (2045) – Wyss,Jonas (2160), Lausanne op, 2007. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4 c6)

8.Bd3 Qc7

9.0-0 b6 10.a4 (10.Qe2 c5+=) 10...c5 11.b5 (11.Qb3 Bb7+=) 11...e5 (11...a6 12.Qe2=) 12.Qc2 (12.a5 ba5 13.Bc3 a6 14.Ba5 Qb7 15.ba6 Ra6=) 12...Nh5 (12...cd4 13.ed4 Bb7 14.Rae1+=) 13.Be4 (13.g4 Nhf6 14.g5 Nh5+=) 13...Bb7 14.Bb7 Qb7 15.Ne4 Qc7 16.d5 h6 17.Nh4 (17.Ned2 a6+=) 17...Qd8= 18.g3 f5 (18...Ndf6 19.Nf6 Nf6 20.e4=) 19.Nd2 (19.Ng6 fe4 20.Nf8 Nf8 21.Qe4 Nf6+/–) 19...Kh7= 20.Kh1 (20.e4 f4 21.Nhf3=) 20...Bf6 (20...Nhf6 21.e4=) 21.Ng2 (21.Nf5!? Qc7 22.g4+/–) 21...e4 (21...a6 22.e4=) 22.Nb3 (22.Bf6 Qf6 23.a5 a6=) 22...Bb2 23.Qb2 Qg5 (23...a6 24.ba6 Ra6 25.Qc2=+) 24.a5 (24.Nd2 a5=) 24...Ne5 (24...a6 25.Nf4 Nf4 26.ef4=+) 25.Qe2 (25.Qc3 Qg4=) 25...Nf6 (25...Qg4 26.Qg4 fg4 27.Nd2=) 26.h4 (26.Nf4 Qg4 27.Qc2 a6=) 26...Qg4 27.Qg4 fg4 28.Nd2 g5 29.Ra2 Nf3 30.Nf3 gf3–/+ 31.Ne1 Ng4 32.Nc2 Ne5 33.Rfa1 Rab8 34.ab6 ab6 35.Ra4 Kg6 36.Kh2 Kh5 37.hg5=+ hg5 38.Na3? Rh8–+ 39.Kg1 Kg4 40.Nb1 Rh6 (41.Ra8 Ra8 42.Ra8 Nc4=+). Kleine,Franz Josef – Nill,Oliver, Regensburg op, 1996.

9.0-0 c5 10.bc5 dc5 11.Qe2+=.

9.0-0 e5 10.de5 de5 11.e4 Nh5 12.Bc2 Nf4 13.Nb1 (13.Bb3 c5 14.a3 f6=+) 13...Rd8 14.Nbd2 Nb6 15.Qb1 Be6 16.Bb3 (16.c5 Nc4 17.Nc4 Bc4=+) 16...Nd7 (16...c5 17.b5–/+) 17.Ng5 (17.c5 Bb3 18.Nb3 Ne2 19.Kh1 Nf8=) 17...Nf8 18.Ndf3 h6 (18...c5 19.b5=+) 19.Ne6= N8e6 20.Rd1 Rd1 (20...c5 21.bc5 Ne2 22.Kh1 Qc5 23.Qc2 Rd1 24.Qd1–/+) 21.Qd1 (21.Bd1!? Rd8 22.c5=+) 21...Rd8 22.Qc2 Nd4 23.Nd4 ed4 24.Qd2 (24.Qd1 c5=+) 24...g5 (better is 24...Qe5!? 25.f3 c5=) 25.Re1 c5 26.a3 b6 27.f3 d3 28.Bg7 Kg7 29.Re3 Qe5 30.Bd1 Qd4 31.g3 Ne2 (31...Ng6 32.Kg2 Qc4–/+) 32.Be2+/– de2 33.Qe2 cb4 34.ab4 Rc8 35.Kg2 Rc4 36.Rd3 Qa1 37.Rd1 (37.Rb3 Qc1 38.Rb1 Qb1 39.Qc4 Qb2 40.Kh3 a5 41.ba5 ba5=) 37...Qc3 38.b5 Rb4 39.Kh3 (39.Rd3 Qc4 40.Qd2 Rb1=) 39...Rb2=+ 40.Rd3?? (40.Qd3 Qd3 41.Rd3 Rb5 42.Kg4–/+) 40...Qc8 (41.Kg2 Re2 42.Kf1 Rh2 43.Rc3 Qc3 44.Kg1 Qd2 45.e5 Qf2; 40...Re2?! 41.Rc3 Rb2 42.Rc7=) 0–1. Kosovskaya,Elena – Khvorostova,Olga, Championship UKR, 2003.

7.Nbd2 e5

8.Qc2 ed4 9.Nd4 a5 10.ba5 Ra5 11.Be2+=.

8.Qc2 Re8 9.Be2+= h6 (9...ed4 10.Nd4 c5 11.bc5 dc5 12.Nb5=) 10.de5= Ne5 11.Ne5 de5 12.Bd3 (12.0-0 Qe7=) 12...e4 13.Ne4 Ne4 14.Bg7 Nf2 (worse is 14...Kg7 15.Be4 Qf6 16.0-0+=) 15.Kf2 Kg7 16.Rhf1 Qh4 17.Kg1 Re3 18.Rad1 (18.Qc3!? Kg8 19.Rae1+=) 18...Qe7–/+ 19.Qc3 Qe5 20.Qd2 (20.Qe5!? Re5 21.Rf4–/+) 20...Bg4–+ 21.Qf2 Bd1 (21...f5 22.Rde1 Re8 23.Re3 Qe3 24.Bc2–+) 22.Qf7–/+ Kh8 23.Qg6?? (better is 23.Bg6 Qg7 24.Rd1–/+) 23...Qg7–+ 24.Rd1 (24.Rf7 Qg6 25.Bg6 Rc8–+) 24...Rd8 25.Qf5 (25.Qh5 Rdd3 26.Rd3 Rd3 27.Qe8 Kh7 28.Qe4 Qg6–+) 25...Red3 (25...Red3 26.Rd3 Qa1 27.Kf2 Qa2 28.Kf3 Rd3 29.Qd3 c6+=) 0–1. Kuhn,Heinz – Christiani,Joerg, Westpfalz op, 2000.

8.d5 a5!?=.

8.d5 b5 9.e4+= bc4 10.Bc4 Nb6 (10...a5 11.ba5 Nc5 12.Qc2+=) 11.Bb5 Rb8 (11...Bd7 12.Bd7 Nfd7 13.h4=) 12.Bc6 Bd7 13.Rc1 (13.Qc2 Bc6 14.Qc6 Nh5+=) 13...Bc6 (13...Nh5 14.0-0=) 14.Rc6 Ne8 (14...Nh5 15.0-0+=) 15.0-0 (15.h4 Nc8+=) 15...f5 16.Qb3 (16.Re1 Qe7+=) 16...Nc8 (16...Qe7 17.Rd1+=) 17.Rfc1 (17.a3 a5+=) 17...Rf7 (17...a5 18.a3=) 18.a4 White prepares b5 (18.a3 Bh6 19.R1c2 Ne7+=) 18...h6 (18...Bh6 19.ef5 Rf5 20.R6c2+=) 19.b5 Ne7 20.R6c2 (20.Ra6 fe4 21.Ne4 Rb6+=) 20...a6= 21.Qc4 (21.ef5!? Nf5 22.Nc4=) 21...ab5=+ 22.ab5 Qd7 23.b6 Rb6 24.Qa2 (24.Rd1 Qb5 25.Bc1 Nf6 26.ef5 gf5 27.Qc7 Nfd5–/+) 24...Rb5 (24...Qb5 25.Rd1–+) 25.Qa8 (25.Rd1 Kh7–/+) 25...Kh7 (25...Rf8 26.Qa2 Kh7 27.Rd1–+) 26.Bc3 (26.Rd1–/+) 26...Rf8 (better 26...fe4 27.Ne4 Nd5–+) 27.Qa4=+ fe4 28.Rb2 (28.Ng5 hg5 29.Rb2 Nd5 30.Qb5 Qb5 31.Rb5 Nf4–+) 28...ef3–/+ 29.Rb5? (better 29.Qb5 Qg4 30.g3–/+) 29...Nd5! 30.Ra5 (30.Rd5 Qa4 Pinning (30...Qa4 Deflection)) 30...Qa4 31.Ra4 Nf4 (31...fg2 32.Rc2–+) 32.Rc2 fg2 33.Ba5 (33.Ne4 d5 34.Nc5 Nd6–+) 33...c5 (33...Rf7 34.Nf3–+) 34.Ne4 Rf5 (34...c4 35.Bb4 Rg8 36.Bd2–+) 35.Ra3 (35.Bd2 Rf7–+) 35...Bf8 (35...d5 36.Nc5 Nd6 37.Rb3–+) 36.Bd2 Rf7 (36...Ng7 37.Ra7 Ne2 38.Kg2–+) 37.Be3 (37.Bf4 Rf4 38.f3 g5–+) 37...Ng7 38.Ra6 (38.Bf4 Rf4 39.Nc3 Ne6–+) 38...Nf5 (38...Nge6 39.Nd6 Rd7 40.Rd2–+) 39.Bf4 ef4 40.Kg2 f3! 41.Kf1 (41.Kf3 Nd4 Double attack) 41...Rb7 (41...Kg7 42.Rc3–+) 42.Ra1 (42.Nd2 Nd4 43.Rc3 Rf7–+) 42...Nd4 (better 42...Bg7!? 43.Re1–+) 43.Rca2 Kg7 44.Ra7 Rf7 45.R7a6 (45.R1a6 Nf5–+) 45...Nf5 (45...d5!? 46.Nd6 Re7 47.Re1–+) 46.Nd2 g5 (46...Nh4 47.Nc4 d5 48.Ne5–+) 47.Nf3 g4 48.Nd2 (48.Ng1 d5–+) 48...d5 49.Ra7 (49.R1a4 Nd4–+) 49...Be7 (49...Bd6 50.R7a5–+) 50.Rb1 (50.R1a4 h5–+) 50...Bg5 51.Rf7 Kf7 52.Ke1 c4 (52...Bf4 53.Nf1–+) 53.Rb7 (53.Kd1 Bf4 54.Nf1 Nd6–+) 53...Ke6 54.Rc7 (54.Rb6 Ke5–+) 54...Bf4 55.Rc6 Nd6 (55...Ke5 56.Nf1–+) 56.Nf1 (56.f3 g3 57.hg3 Bg3 58.Ke2 h5–+) 56...d4 57.Ng3 (57.Rc5 Be5–+) 57...Kd5 58.Rc7 (58.Ra6 c3 59.Ne2 Bd2 (59...Bh2?! 60.Ra5 Ke4 61.Ra4–+) 60.Kd1 d3–+) 58...d3 59.Kd1 (59.Nf1 Kd4–+) 59...Kd4 (better 59...Nb5 60.Rd7 Kc6 61.Rd8–+) 60.Rd7 (60.Nh5 Be5–+ (worse 60...Bh2 61.Rg7–+)) 60...c3 (60...c3 61.Nf5 Ke4 62.Nd6 Kf3–+) 0–1. Zaichenko,Daria (2120) – Ubiennykh,Ekaterina (2270), Novosibirsk RUS, Sukharev Mem, 2010. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Nbd2 0-0 5.b4 d6 6.Bb2 Nbd7 7.c4 e5)

8.d5 e4 9.Nd4 Re8 10.Be2 a5 11.b5 Nc5 12.Qc2 h5 13.a4 Qe7 14.0-0-0 Bd7 15.h3 Rec8 16.Rdg1 c6 17.dc6 bc6 18.bc6 Bc6 19.Nc6 Rc6 20.g4 h4 21.g5 Ne8 22.Bg7 Ng7 23.Qc3 Na4 24.Qd4 Qb7 25.Kc2 Nf5 26.Qf6 d5 27.Qe5 dc4 28.Rb1 Qc8 29.f3 Re6 30.Qf4 ef3 31.Bf3 Ne3 32.Kc1 Nc3 33.Qh4 Nb1 34.Nb1 Rb8 35.Qh6 Qf8 36.h4 Qh6 37.gh6 Kh7 38.h5 Kh6 39.hg6 Kg6 0-1. shruthikrishnan (2065) - Ashruh (2555), Casual Bullet game, lichess.org, 2021. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4)

8.Be2 e4 9.Ng5 Re8 10.Qc2 Qe7 11.h4 h5 12.c5 d5 13.a4 Nf8 14.b5 c6 15.bc6 bc6 16.Bc3 Bg4 17.Nb3 Bh6 18.Na5 Qc7 19.Nh3 (19.Ba6!?=) 19...Ne6 20.g3 Be3 21.fe3 Qg3 22.Nf2 Qe3 23.Ng4 Ng4 24.Qd2 Qg3 25.Kd1 e3 26.Qe1 Nf2 27.Kc2 Qg2 (27...Qg2 28.Rg1 Qe4 29.Kb2 Rab8 30.Nb3 Nd4 31.Bd4 Qd4 32.Qc3 Qh4–+) 0–1. Hove,Esben Kjems – Moser,Fabian, DEN–ch U20 op, 1986. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 d6 5.Bb2 0-0 6.Nbd2 Nbd7 7.e3)

8.de5 de5

9.Qc2 e4 10.Nd4 (10.Ne4 Ne4 11.Bg7 Nf2 12.Bf8 Nh1+=) 10...c5= 11.bc5 Nc5 12.Be2 b6 13.0-0 Bb7 14.h3 Rc8 15.Rac1 Qd7 16.Rfd1 Rfd8 17.Bf1 (17.Nb5 Qf5 18.Na7 Ra8 19.Bf6 Bf6=) 17...Ne6 (17...Qa4 18.Be2=+) 18.Ne6 Qe6 (worse 18...fe6 19.Bf6 Bf6 20.Ne4 Be4 21.Qe4+/-) 19.Nb3 Nd7 20.Bg7 Kg7 21.Nd4 Qf6 22.Ne2 (22.Nb5!?+=) 22...Nc5=+ 23.Nf4 Kg8 24.Nd5 Qe5 25.a3 (25.Qc3!? Qc3 26.Rc3=) 25...Bd5-/+ 26.cd5 Rd5 27.Rd5 Qd5 28.Bc4 Qd7 29.Rd1 Qe7 30.Be2 Rc7 31.Qc3 (31.Bc4 a6-/+) 31...Nd3 (31...Na4 32.Qd4 Nc3 33.Qd8 Kg7 34.Qe7 Re7 35.Rd2-+) 32.Qd4 Rd7 33.Qc3 (33.Qc4 Nc5-/+) 33...Nc5 (33...Qc5!? 34.Qa1 Qf5 35.Bd3 Rd3-/+) 34.Rd7=+ Qd7 (worse 34...Nd7 35.Qc7=) 35.Bg4 (35.Qe5!?=+) 35...Qd3-/+ 36.Qf6 (better 36.Qb2-/+) 36...a5?? (36...Qa3 37.Be2-+) 37.Qe7?? (37.Qb6 Qc3 38.Qd8 Kg7 39.Qd4 Qd4 40.ed4 Nb3=+) 37...a4?? (better 37...h5 38.Qe8 Kg7 39.Qe5 Kh7-+) 38.Qe8= Kg7 39.Qe5 Kf8 40.Qb8 Kg7 41.Qb6?? (better 41.Qe5 f6 42.Qe7 Kg8 43.Qe8 Kg7 44.Qe7 Kg8 45.Qe8 Kg7 46.Qe7=) 41...Ne6?? (better 41...Qa3 42.Kh2 h5-+) 42.Be6+/- Qd1 43.Kh2 fe6 44.Qe6 Qd6?? (better 44...Qb3 45.Qe7 Kg8+-) 45.Qd6+- 1-0. cipiripi (2335) - Spiritchaser84 (2370), Rated bullet game, lichess.org, 2020. (=1.b4 A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems 1...g6 2.Bb2 Nf6 3.e3 Bg7 4.Nf3 0-0 5.d4 d6 6.Nbd2 Nbd7 7.c4)

9.Qc2 Re8 10.e4=.

9.Ne5 Ne5 10.Be5 Qe7+=.

9.Ne5 Ne5 10.Be5 Re8 11.Bc3 Bg4 (11...Qe7 12.Be2+=) 12.Be2+/- h5 (12...Qe7 13.0-0 (13.Bg4?! Ng4 14.Bg7 Ne3 15.fe3 Qe3 16.Kf1 Qd3 17.Kf2 Qe3 18.Kf1 Qd3 19.Kf2 Qe3 20.Kf1=) 13...Rad8 14.Bg4 Ng4 15.Bg7 (15.Qg4? Bc3 16.Nb3 Ba1 17.Ra1 Qb4-+) 15...Kg7 16.Qg4 Rd2 17.c5+/-) 13.0-0 Bf5 14.Qb3 c6 15.Rad1 Qe7 16.c5 Rad8 (16...a5 17.Bc4+/-) 17.Nf3 (17.Nc4 Be6+-) 17...Nd5 (17...Be6 18.Qa4+/-) 18.Bg7+- Kg7 19.Bc4 (better 19.Nd4+-) 19...g5? (better 19...Bg4!?+/-) 20.Bd5+- cd5 21.Rd5 Rd5 22.Qd5 f6?? (22...Be6 23.Qg5 Qg5 24.Ng5 Bg4+-) 23.Qf5 1-0. zembelek (2000) - Kasparova (1935), Rated Blitz game, lichess.org, 2014.

9.Ne5 Ng4 10.Ng4 (10.Qg4!? Ne5 11.Qg3 Nd3 12.Bd3 Bb2 13.Rb1=) 10...Bb2= 11.Rb1 Bg7 12.h4 h5 13.Nh2 Ne5 14.Nhf3 Bg4 (14...Nf3 15.gf3 (worse 15.Qf3 Bc3 16.Qd1 Qf6-/+) 15...a5 16.b5=) 15.Be2 Nd3 16.Kf1 Qd7 (16...Re8 17.Qc2 Ne5 18.Ne5 Be2 19.Ke2 Be5 20.g4 hg4 21.h5+/-) 17.Rb3 Nb2 18.Qc2 Na4 19.c5 b5 (better 19...Rfd8!?+=) 20.c6+/- Qe7 21.Bb5 Nb6 22.Be2 Rad8 23.a3 Rd6 24.Ne4 (24.Ng5 Rfd8 25.Nge4 Rd5+=) 24...Bf5+= 25.Nfd2 (better 25.Nfg5+=) 25...Rd2!-/+ 26.Qd2 (26.Qd2 Qe4 Deflection (26...Qe4 Remove defender; 26...Qe4 Overloading); 26.Nd2 Bc2 Pinning (26...Bc2 Deflection)) 26...Be4 27.f3? (27.b5!?-/+) 27...Bc6 (better 27...Rd8 28.Qa2 Bd5-+) 28.Qc2? (better 28.e4-/+) 28...Ba4-+ 29.Bc4 (29.Kf2 Re8-+) 29...Nc4 (better 29...Bb3!? 30.Bb3 Qe3 31.Rh3-+) 30.Qc4 Bb3 31.Qb3 Re8 (31...Rb8 32.Kf2-+) 32.Kf2 Rd8 33.e4 (33.Rd1 Qh4 34.Ke2 Rd1 35.Qd1 Qc4 36.Qd3 Qa2 37.Kf1 Qa1 38.Kf2-+) 33...Rd2 34.Kg3 (34.Ke1 Qd6 35.Qe3 Ra2-+) 34...Qd6 (34...Be5 35.Kh3 Qd7 36.g4 hg4 37.fg4 Rd3 38.Kg2 Qg4 39.Kf1 Qf3 40.Kg1 Bd4 41.Kh2 Qg3) 35.Kh3 (35.f4 Rd3 36.Qd3 Qd3 37.Kh2 Bd4 38.Rg1 Bf2 39.g3 Bg1 40.Kg1 Qg3 41.Kf1 Qf4 42.Ke2 Qe4 43.Kd2 f5 44.b5 Qh4 45.Kc3 Qg3 46.Kb2 Qe5 47.Kc2 Qb5 48.Kd1 h4 49.Kc2 h3 50.Kd2 Qb3 51.Ke2 h2 52.a4 f4 53.Kf2 h1Q 54.a5 Qe3) 35…Qd7 (35...Qd7 36.g4 hg4 37.Kg3 Be5 38.f4 Qd4 39.Qf7 Kf7 40.Kg4 Qe4 41.Rg1 Qf4 42.Kh3 Rh2) 0-1. zembelek (2090) - ASLAN07 (1920), Rated Blitz game, lichess.org, 2014.

8.de5 Ng4

9.Rb1 Nge5 10.Ne5 Ne5 11.Nf3 (11.f4 Bg4 12.Qb3 Nc6=) 11...Bg4 12.Be2 Bf5 13.Be5 Be5 (13...de5 14.Rb2+=) 14.Rb3= Bg7 15.0-0 c6 16.Bd3 Be6 17.Nd4 d5 18.c5 a6 19.a4 Bd4 (19...Re8 20.b5 ab5 21.ab5=) 20.ed4+= b5 21.Ra3 Qg5 22.Re1 Bf5 (22...Rae8 23.Qc1 Qg4 24.ab5 ab5 25.Qc3+=) 23.Bf1 (23.Bf5!? Qf5 24.Rae3+/–) 23...Rfe8+= 24.Rae3 Bd7 25.Re5 Qf6 26.Qa1 Re5 27.de5 Qd8 28.Bd3 Be6 29.Qd4 Kh8 30.f4 Kg8 31.Rf1 Qh4 32.Ra1 Bf5? (better is 32...Rf8+=) 33.Bf5+- gf5 34.ab5 Qd8? (34...cb5 35.Qd5 Rd8 36.Qf3+-) 35.b6 (35.bc6 h6+-) 35...Qc8 36.h3 Kf8 37.Kh2 Ke7 38.Ra3 Qb7 (38...h6 39.Qf2 Kd7 40.Qg3+-) 39.Rg3 (39.Qf2 Rh8+-) 39...h6 (39...Ke6+-) 40.e6 (40.e6 Rf8 41.Rg6 fg6 42.Qg7 Ke6 43.Qb7+-) 1–0. Tagirov,Kajum K (1920) – Rakhmatullin,Timur, Ufa RUS, Siamidi Mem, 2011.

9.Qb3 Nde5 10.Be2 a5 11.Ne5 Ne5 12.a3 Be6 13.0-0 Re8 14.Bc3 Qf6 15.Rac1 ab4 16.ab4 Qh4 17.Qb2 Qh6 18.c5 Ra2 19.Qb1 Rd8 20.Bc4 Rd2 (worse is 20...Bc4 21.Nc4 Ra7 22.cd6 cd6 23.Bd4+=) 21.Be6 Rd3 (worse is 21...fe6 22.Bd2 Qh5 23.cd6 Rd6 24.Qa2+-) 22.Be5 de5 23.Bc4 R3d7 24.Rcd1 Qh4 25.Be2 ½–½. Geiser,Laurent – Georgiev,Krum (2455), Cannes op2, 1990. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.Nbd2 Nbd7 7.c4)

9.Qb3 Nge5 10.Be2 a5 11.Ne5 Ne5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Be6 15.0-0 Qh4 16.Bd4 Ra8 17.Qc3 Ng4 (17...h6 18.f4 Bg4 19.Bg4 (worse is 19.Be5 de5 20.Bg4 ef4–/+) 19...Ng4 20.Nf3 Bd4 21.ed4+= (21.Nh4?? Bc3 22.Rb1 Ne3–+; 21.Qd4?! Qf6=)) 18.h3 Ne5 19.f4 Bh3 20.fe5 (worse is 20.Be5 de5 21.e4 Bd7 22.fe5 Qe7–/+; 20.gh3?! Qg3 21.Kh1 Qh3 22.Kg1 Qg3 23.Kh1 Qh3 24.Kg1 Qg3 25.Kh1 Qh3=) 20...Qg3 (20...de5 21.Bc5 Bg2 22.Kg2 Qg5 23.Kh3 Qh6 24.Kg3 Qg5 25.Kf2 Qh4 26.Kg1 Qg3 27.Kh1 Qh4 28.Kg1 Qg3 29.Kh1 Qh4 30.Kg1=) 21.Bf3+- de5 22.Bc5 Ra2 23.e4?? (better is 23.Qd3 Bf6 24.Bb7+-) 23...Bg2!–+ 24.Bf2 Qg5 25.Bg2 Rd2 26.Qd2?? Qd2–+ 1–0. Lumsdon,Andrew – Maurer,Fritz, Bad Ragaz op, 1991. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4)

9.Qb3 Nge5 10.Ne5 Ne5 11.c5 dc5 12.bc5 Be6 13.Qc2 (13.Qb7?? Rb8 14.Qb8 Qb8-+) 13...Re8 14.Be2 Bf5 15.e4 Be4?? (better 15...Bg4=) 16.Ne4+- f5 17.Ng3?? (better 17.Rd1 Qe7 18.Ng3+-) 17...Nd3-/+ 18.Kf1 Nb2 (18...Bb2? 19.Rd1 Qe7 20.Rd3+-) 19.Rb1 Qd4 20.h4? (20.Kg1 f4 21.Nf1 Qc3 22.Qc3 Bc3-+) 20...Rad8 (better 20...f4!? 21.Qb2 Qb2 22.Bc4 Kh8 23.Rb2 Bb2 24.Ne2-+) 21.h5 b6 (better 21...f4!? 22.Rh4 g5-+) 22.cb6 cb6 23.hg6 hg6 24.Qb3 Kf8 25.Rh7 Nd3 26.Bd3 Qd3 27.Qd3 Rd3 28.Ne2 Rd2 29.Nf4 Ra2 (29...Bd4!? 30.Ng6 Kg8 31.Re7 Rf2 32.Ke1 Re7 33.Ne7 Kf7 34.Nc6 Rg2 35.Rb3-+) 30.Ng6 Kf7 31.Nf4 Kg8 32.Rh5 Re5 33.Rc1 Rc5 34.Rd1 (34.Rc5!? bc5 35.Nd5-/+) 34...Rcc2-/+ 35.Rd8 Kf7 36.Rd7?? (better 36.Rf5 Ke7 37.Rd1 Rf2 38.Kg1-/+) 36...Kg8 37.Rg5?? (37.Rd8 Kf7 38.Rd7 Ke8-+) 37...Rf2 (37...Rc1 38.Rd1 Rd1) 38.Kg1= Rf4 39.Rgg7 Kh8 40.Rh7 Kg8 41.Rhg7 Kh8 42.Rh7 Kg8 43.Rhg7 ½-½. bjoernsen (2415) - TarihselOyunlar (2400), Rated blitz game, lichess.org, 2021.

9.Qb3 Re8?? 10.ed6+/- cd6 11.Bg7 Kg7 12.Be2 Nde5 13.0-0 Be6 14.h3 Nf6 15.Rfd1 b5 16.Ne5 de5 17.Nf3 (17.Qb2!? Qb6+-) 17...Qc7+/- 18.Qb2 (18.Rac1 Rac8 19.Nd2 Red8+/-) 18...Bc4 19.Bc4 (19.Rac1!?+/-) 19...bc4= 20.Rac1 Rac8 21.Rc2 Ne4 22.Rd5 e5 draws heavy fire 22...f6 23.Qa3 Red8 24.Rd8 Rd8 25.Qa6 Attacking the isolated pawn on c4 25...c3 26.g4 Rd6 27.Qa4 (27.Qb5 a6 28.Qe2 Qd7-/+) 27...Rd7 (27...Rd1 28.Kh2-+) 28.b5 (28.Rc1 Qd6-/+) 28...f5 (28...Qb7 29.Rc1-/+) 29.b6 (29.Rc1!?=+) 29...ab6-/+ (29...Qb6?? 30.Qd7 Kf8 31.Kg2+- (31.Qh7?! Qb1 32.Kg2 Qc2 33.Qh8 Ke7 34.Qe5 Kd7 35.Qd4 Kc8 36.Qh8 Kc7 37.Qg7 Kb8 38.Qf8 Kb7 39.Qf7 Kc8 40.Qe6 Kc7 41.Qe7 Kb6 42.Qb4 Ka6 43.Qa3 Kb7 44.Qe7 Kb6 45.Qb4 Kc7 46.Qa5 Kc8 47.Qa6 Kd8 48.Qa5 Kc8 49.Qa6 Kb8 50.Qb5 Kc7 51.Qc4 Kd7 52.Ne5 Ke7+=)) 30.Qb5 Rd1 31.Kg2 Qc5 32.Qd7?? (better 32.Qe8-/+) 32…Rd7-+ 0-1. bjoernsen (2480) - Jano83 (2460), Rated blitz game, lichess.org, 2021.

9.Qc2 de5 10.h3+= Nh6 11.Be2 Qe7 12.0-0 (12.c5 Rd8+=) 12...Re8 (better 12...Qb4!? 13.Rfd1 Qe7=+) 13.c5+= e4 14.Nd4 Ne5 (14...Nf6!?+=) 15.Ne4 Nf5 16.Nb3 (16.b5 Qh4+/-) 16...h5 (16...Nc6 17.Bg7 Ng7 18.Nbd2+/-) 17.Rad1 (17.b5 Be6+/-) 17...Nh4 (17...Nc6 18.Bg7 Ng7 19.Nbd2+-) 18.Kh2 (18.Ng3 Be6+-) 18...Bf5+/- 19.Nd4?? (better 19.f3+/-) 19...Be4-+ 20.Qe4 (20.Qb3 Bg2 21.Rg1 Be4-+) 20...Ng4!! 21.hg4 (21.Bg4 f5 Double attack (21...Qe4 Discovered attack; 21...f5 Decoy); 21.hg4 Qe4 Discovered attack) 21...Qe4 22.f3 (22.Rg1 hg4 23.g3 Nf3 24.Bf3 gf3-+) 22...Qe3 23.Rd3 Qh6 (23...Qh6 24.g5 Qg5-+) 0-1. swimmerchess (2745) - Banjovi (2740), Rated Bullet game, lichess.org, 2020. (=1.d4 A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems 1...Nf6 2.Nf3 g6 3.Nbd2 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 Nbd7 7.c4)

9.Qc2 Nde5 10.Be2 Qe7 11.h3 Nf3 12.Nf3 Bf5 13.Qb3 Nf6 14.0-0 Rfe8 15.Rfe1 Ne4 16.Bg7 Kg7 17.Rad1 (17.Bd3 b6=) 17...a5 18.a3 (18.ba5 Ra5 19.Qb7 Ra2+=) 18...Qf6 19.Rc1 Bd7 (19...ab4 20.ab4 b6 21.Bd1+=) 20.Qd1 (20.b5 Rac8=) 20...ab4+= 21.ab4 Ra2 22.Qd4 Qd4 23.Nd4 Rea8 24.f3 Ng3 25.Bd3 Rd2 26.Kh2 Rd3 27.Kg3 c5 28.bc5 dc5 29.Nb5 Bb5 30.cb5 b6 31.e4 Ra2 32.Red1 Rdd2 33.Rd2 Rd2 34.f4 Kf6 35.Kf3 Rb2 36.Rd1 Rb5 37.e5 Ke7 38.Rd6 h5 39.h4 Rb3 40.Ke2 c4 41.Rc6 b5–+ 42.Rb6? b4 43.g3? c3 44.Kd1 Rb2 45.Rc6 Rg2 46.Rb6 Rg3 47.Rb4 Rh3 48.Kc2–/+ Rh4 49.Kc3 Rg4 50.Kd3 h4 51.Ke3 h3 52.Rb2 Rg3 53.Ke4 Rg2 54.Rb3? Re2 55.Kd4? h2–+ 56.Rh3 Ke6 57.Kd3?? Ra2 58.Rh7 f6 59.ef6+= Kf6 60.Ke3 Kf5 61.Kf3 Ra3 62.Kg2 Kf4 63.Rf7 Kg4 64.Kh2 Ra2 65.Kg1 Kg3 66.Rf1 Rg2 67.Kh1 Rh2 68.Kg1 Re2 69.Ra1 Re3 70.Rb1 g5 71.Ra1 g4 72.Rb1 Ra3 73.Rc1 Kh3 74.Rb1 g3 75.Rf1 Ra2 76.Rb1 Rc2 77.Ra1 Rb2 78.Rc1 Rg2 79.Kh1 Rd2 80.Kg1 Rd3 81.Ra1 Kg4 82.Kg2 Rd2 83.Kg1 Rf2 84.Ra8 Rh2 85.Rg8 ½–½. Fernandez,Hector – Chaves,Joara (2080), Sao Paulo–ch fin, 2002. (=1.Nf3 Nf6 2.b4 g6 3.e3 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Nbd2 e5 8.de5 Ng4)

9.Be2 Nge5 10.Ne5 Ne5 11.0-0 Nf3 12.Bf3 Bb2 13.Rb1 Bg7 14.c5 d5 15.c6 bc6 16.Nb3 Qd6 17.Qd2 Rb8 18.a3 Kh8 19.Rbc1 Rb6 20.Rfd1 f5 21.Rc5 g5 22.Qc2 g4 23.Be2 f4 24.ef4 Qf4 25.Bd3 h5 26.g3 Qf6 27.b5 (27.Ra5 a6=) 27...h4 28.Na5 h3 29.Nc6 Qf3 30.Bf1 Bf5 31.Qe2 Be4 32.Qf3 Bf3 33.Rdd5 Bd5 34.Rd5 Bf6 35.a4 Kg7 (35...a5 36.Rf5+- (36.Na5?! Ra8 37.Nc4 Ra4+=)) 36.Be2 Re8 37.Kf1 Re4 38.a5 Rb7 39.a6 Rb6 40.Rd7 Kh6 41.Rc7 Bc3 42.Na7 Rbe6 43.Rc3 Re2 44.Rc1 Rb2 45.Kg1 Ree2 46.Rf1 Red2 47.Nc6 Rb5 48.a7 Ra2 49.Nd4 Rd5 50.Nc2 Ra7 51.Ne3 Rg5 52.f3 gf3 53.Kf2 Kh5 54.Rd1 Ra2 55.Kf3 Rh2 56.Nd5 Ra2 57.Nf4 Kh6 58.Rd6 Kh7 59.Nh3 Ra3 60.Kf4 Rgg3 61.Ng5 ½–½. Managadze,N (2455) – Cherednichenko,S (2345), 24th ICT Acropolis, Chalkida GRE, 2009. (=1.Nf3 Nf6 2.d4 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4)

9.Be2 Nge5 10.Ne5 Ne5 11.0-0 Nf3 12.Nf3 Bb2 13.Rb1 Bg7 14.Qc2 Bd7 15.c5 d5 0–1. Lumsdon,Andrew (2335) – Guevara Pijoan,Josep, ICCF Corr World Cup, 2000. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.Nbd2 Nbd7 7.c4)

9.e6 Bb2 10.ed7 Bd7 11.Rb1 Bg7 12.h3 White prepares b5 12...Nf6 13.Be2 (13.Bd3 Qe7=) 13...Qe7 14.0-0 c6 15.a3 a5 16.b5 c5 (16...cb5 17.cb5 Nd5 18.Qb3=+) 17.Nb3 (17.Qc2 d5=) 17...a4 18.Nc1 Bf5 (18...Ne4 19.Na2=+) 19.Bd3= Ne4 20.Qe1 (20.Ne2!?=) 20...Rfe8 21.g4 (21.b6 Qf6-/+) 21...Bd7 22.Qe2? (22.Kh2 f5 23.gf5 Bf5-/+) 22...f5 (22...Nc3 23.Qc2 Nb1 24.Qb1-+) 23.gf5 (better 23.Be4!? fe4 24.Nh2-/+) 23...Bf5-+ 24.Na2 Bh3 25.Kh2 (25.Rfc1 Bg4 26.Qd1 Nf2 27.Kf2 Qe3 28.Kg3 Bf3 29.Qf3 Qg5 30.Kh2 Be5 31.Kh1 Qh4 32.Kg1 Qh2 33.Kf1 Rf8-+) 25...Bf5 (better 25...Bf1 26.Rf1 Qe6-+) 26.Rh1?? (better 26.Qc2-+) 26...Bg4 27.Kg2 (27.Rbg1 Be5 28.Kg2-+) 27...Rf8 28.Rbg1 (28.Rh2 Bf3 29.Qf3 Rf3 30.Kf3 Nd2 31.Ke2 Nb1 32.Bb1-+) 28…Ng5 (28...Ng5 29.Qd2 Nf3-+) 0-1. Sreekrizh (2160) - Ashruh (2500), Casual Bullet game, lichess.org, 2021. (=1.d4 A45: Trompowsky Attack 1...d6 2.e3 Nf6 3.b4 g6 4.Bb2 Bg7 5.c4 0-0 6.Nd2 Nbd7 7.Ngf3)

7.Nbd2 Re8

8.a4 e5 9.d5 c6 (better is 9...a5=+) 10.c5 (10.e4!?=) 10...Nd5 (10...cd5 11.cd6 Qb6 12.Bc3–/+) 11.cd6 Nb4 12.Qb3 Nd5 13.Bc4 (better is 13.e4!? Nf4 14.Rd1=+) 13...Nc5–+ 14.Qa2 (14.Qc2 Qd6 15.0-0 b6–+) 14...Nb4 (better is 14...Qd6 15.Qa3 e4–+) 15.Qa3?? (better is 15.Qb1 Qd6 16.0-0–+) 15...Nc2 16.Ke2 Na3 17.Ra3 (17.Ba3 Na4 18.e4 Bg4–+) 17...Qd6 18.Ng5 Be6 19.Be6 Ne6 20.Ngf3 Rad8 21.e4 Nd4 22.Ke3 Nc2 (23.Ke2 Na3 24.Ba3 Qd3 25.Kd1 Qa3–+; better is 22...Bh6 23.Kd3 Nf3 24.Kc2 Qc5 25.Kb1 Nd2 26.Ka1 Qf2 27.g4–+) 0–1. jackflanders – Diggy, Caissa.com, 2004.

8.c5 d5 9.Be2= c6 (9...a5 10.a3=) 10.0-0+= Qc7 11.Ne5 (11.h3 a5=) 11...Ne5 12.de5 Ne4 13.f4 Nd2 14.Qd2 Bf5 15.Bd3 Bd3 16.Qd3 f6 (16...a5 17.a3=) 17.e6 (17.f5 g5+=) 17...f5= 18.Bg7 Kg7 19.Qd4 Kg8 20.g4 Rf8 21.g5 Qc8 22.Qe5 Qb8 23.Qb8 Rab8 24.Rac1 h5 (24...h6 25.h4=) 25.Kf2 Rfc8 26.Rfd1 Kf8 27.Ke2 Ke8 28.Kd3 Kd8 29.Kd4 Kc7 (29...b6 30.a3=) 30.Ke5 Ra8 31.a4 a6 32.a5 Rd8 33.h4 Rac8 34.Rd4 Rf8 35.Rf1 Rcd8 36.Rf2 Kc8 37.Rd3 Kc7 38.Ra2 Kc8 39.Kd4 Kc7 40.Rc3 Kc8 41.b5 (41.Rd2 Kc7=) 41...ab5 42.a6 Kc7 (42...ba6 43.Rca3 Kb7 44.Ra6 Ra8 45.Rb6 Kc7=) 43.ab7 (better 43.a7!?=) 43...Kb7-/+ 44.Rca3 Ra8 45.Ra8 Ra8 46.Ra8 Ka8 47.Kc3 Kb7 48.Kb3 Ka7 49.Ka3 Kb8 50.Kb3 Kc8 51.Ka3 Kc7 52.Kb3 Kb7 53.Ka3 Ka6 (53...Kc8!?-/+) 54.Kb4= Ka7 55.Kb3 (55.Ka3 d4 56.ed4 Kb8=+) 55...Kb7 56.Ka3 Ka6 ½-½. elnegrorodriguez (2510) - BeWater (2440), Rated Blitz game, lichess.org, 2016. (=1.d4 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.Nf3 d6 3.e3 g6 4.c4 Bg7 5.b4 0-0 6.Bb2 Nbd7 7.Nbd2)

8.c5 e5 9.de5 de5 10.Nc4 e4 11.Nfd2 Qe7 12.Qc2 Nf8 (12...a6 13.Rd1=) 13.Be2 h5 14.h3 h4 15.Nb3 Bf5 16.0-0-0 (16.0-0 Rad8+=) 16...b6 (16...Rad8 17.Nca5 Bc8 18.b5=) 17.c6 (17.Ne5 N6d7 18.Nc6 Bb2 19.Qb2 Qg5=) 17...a5 (17...b5 18.Na3 a5 19.ba5=) 18.ba5 ba5 19.Nba5 Reb8 20.Ba3 (20.Bc3 Be6 21.Kd2 Qc5=) 20...Qe6 (20...Qe8 21.Kd2=+) 21.g4= hg3 22.fg3 Nd5 (22...Bh3 23.Nb3 Bg4=+) 23.g4+= Nb4?? (better 23...Qf6!? 24.Rd5 Qa1 25.Kd2 Qh1 26.gf5 Rb1=) 24.gf5 (24.Bb4 Rb4 25.gf5 Qf5+-) 24...Qf5 (better 24...Nc2 25.fe6 Na3+/-) 25.Bb4 Rb4 26.Rdf1 Qc5 (26...Qd5 27.Nb3+-) 27.Nb3 Qc6 28.Nca5?? (better 28.Rf7! Bf6 29.a3+-) 28...Qb6 (28...Qc2 29.Kc2 Ra5 30.Na5 Rb2 31.Kd1 Rb1 32.Kd2 Rb2 33.Ke1 Bc3 34.Kf2 Ba5 35.a4+=) 29.Bc4 Attacks the backward pawn on f7 (29.Nc6!? Qe3 30.Kb1+=) 29...Ra5= (worse 29...Qe3 30.Qd2 Qd2 31.Kd2 Rc4 32.Nc4+=) 30.Rf7 Kh7?? (30...Raa4 31.Rc7 Kh7-/+) 31.Na5 (better 31.Qc3! Rc4 A) 32.Qc4?! A1) worse 32...Qe3 33.Kb1 Rf5 34.Rc7+/- (worse 34.Qc7 Qd3 35.Kc1 Ne6 36.Rg7 Ng7-/+); A2) 32...Ra2 33.Re1 Ne6=; B) 32.Rg7 Kh6 33.Qc4 Qe3 34.Kb1 Ra2 35.Ka2 Kg7 36.Qc7 Kh8 37.Qe5 Kg8 38.Rh2+-) 31...Qa5 32.Rhf1?? (better 32.Bb3 c5 33.Rhf1+-) 32...Qa3= 33.Kd1 Rb2?? (better 33...Qe3 34.Rc7 Ne6=+) 34.Qe4+- Qd6 35.Qd4 Kh6 (35...Rb1 36.Kc2 Qd4 37.ed4 Rf1 38.Rf1+-) 36.Qd6 (36.Rg7?! Rb1 37.Kc2 Rf1 38.Bf1 Qd4 39.Rg6 Kg6 40.ed4 c5+-) 36...cd6 37.Rf8 Bf8 38.Rf8 Kg5 39.Bb3 (39.Rd8 Rh2+-) 39...Kh4 (39...Rh2 40.Be6+-) 40.Rd8 (40.Rh8 Kg5+-) 40...Kg3 (40...Kh3 41.Rd6 g5 42.e4+-) 41.Rd6 Kf3 42.Rg6 Ke3 43.Rg3 Ke4 44.Rc3 (44.Bc2 Ke5 45.a4 Ra2+-) 44...Kd4 (44...Rh2 45.Kc1+-) 45.Rc4 (45.Rc4 Ke5 46.Kc1+-) 1-0. blitzbullet (2485) - TheTunechi (2415), Rated Bullet game, lichess.org, 2018.

8.d5 e6 9.de6 Re6 10.Be2 Re8 11.0-0 Nf8 12.Qb3 Bd7 13.Rfd1 Ne6 14.a3 a5 15.Nd4 a4 16.Ne6 Be6 (worse is 16...ab3 17.Nd8 Rad8 18.Nb3+/–) 17.Qc3 Bf5 18.Bf3 Rb8 19.e4 Bd7 20.Rac1 Nh5 21.Qc2 Bb2 22.Qb2 Nf4 23.Nf1 Qg5 24.Qd2 Bc6 25.g3 (25.Ng3 f5 26.Qc2 Re5+=) 25...Nh3 (25...Be4!? 26.Be4 Re4+=) 26.Kg2= Qd2 27.Nd2 (worse is 27.Rd2 Ng5 28.Ne3 Nf3 29.Kf3 Be4 30.Kf4 h6+=) 27...Ng5 28.Re1 b6 29.Rc3 Nf3 30.Kf3 f5 31.Rce3 Re5 32.Kg2 fe4 33.Ne4 Rbe8 34.f3 Kg7 35.Kf2 Be4 36.Re4 Re4 37.fe4 Kf6 38.Ke3 Re5 39.b5 Rh5 40.Re2 ½–½. Agudelo,Carlos Hernan – Prieto,Ernesto (2185), Bucaramanga op, 2008. (=1.c4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.d4 Nbd7 7.Nbd2 Re8)

8.Be2 a5 9.a3 d5 10.0-0 c6 11.Qc2 ab4 12.ab4 Ra1 13.Ra1 dc4 14.Bc4 Nd5 15.b5 N7b6 16.bc6 bc6 17.Bf1 Bb7 18.Nb3 Nd7 19.Nc5 Nc5 20.dc5 e5 21.Qb3 Bc8 22.Qb8 Qc7 23.Qc7 Nc7 24.Ra7 Nd5 25.e4 Nf4 26.Ra8 f6 27.g3 Ne6 28.Bc4 Kf7 29.Be5 fe5 30.Ng5 Ke7 31.Be6 Be6 32.Re8 Ke8 33.Ne6 Bf6 34.h4 h6 35.Kf1 Be7 36.f4 ef4 37.Nf4 Bc5 38.Ng6 Bd6 39.Kf2 Kf7 40.Nf4 Kf6 41.Ke3 Bc5 42.Kf3 Ke5 43.Nd3 Kd4 44.Nc5 Kc5 45.Ke3 Kc4 46.g4 Kc5 47.g5 1–0. de Visser,Arno – van der Bergh, 1986.

8.Be2 c5=.

8.Be2 c6 9.0-0 d5 10.Qb3 e6 11.a4 Ne4 (11...a5 12.ba5 Ra5 13.Bc3+=) 12.Rfd1 (12.Ne4 de4 13.Nd2 e5+=) 12...Nd2+= 13.Rd2 b6 14.Rc1 Bb7 15.b5 c5 16.Ba3 (16.cd5 ed5 17.dc5 bc5 18.Bg7 Kg7+=) 16...cd4 17.Nd4 Rc8 18.cd5 (18.Qd1 Qh4+=) 18...Rc1= 19.Bc1 Bd5 20.Qb1 (20.Qd1 Nc5=) 20...Nc5 21.a5 (21.Bf3 Qh4 22.Bd5 ed5=) 21...Qa8 (21...ba5 22.Bf3=+) 22.ab6= ab6 23.Bf1 (23.f3 Na4=) 23...Rc8 24.Ra2?? (24.Bb2 e5 25.Ne2 Ba2=+) 24...Qb7 (better 24...Ba2 25.Qb2 Nb3-+) 25.Bd2? (25.Rd2 e5 26.Ne2 Be4-/+) 25...h5 (better 25...Ba2 26.Qa2 Ra8-+) 26.Qb4?? (26.Ra3 h4=+) 26...Ne4 (better 26...Ba2 27.Bc3 Qe4-+) 27.f3? (better 27.Ra6=+) 27...Ba2-+ 28.fe4 Qe4 29.Nc6 Qb4 30.Bb4 Ra8 (30...Kh7 31.Bd3-+) 31.Bd3 (31.e4 Bb1 32.e5 Bh6-+) 31...Bd5 32.e4 Bb3 33.Kf2 (33.h4 Ra2-+) 33...Bf8 (33...h4 34.Ke3-+) 34.Bf8 Kf8 35.Ke3 (35.Be2 f6-+) 35...Ra2 (35...Ra3 36.Kf2-+) 36.Bf1 Ra1 37.Kf2 (37.Be2 f6-+) 37...Ba4 38.Nd4 (38.Na7 Bc2 39.Nc8 Be4 40.Nb6 Ra2 41.Kg1 Ke7-+) 38...e5 39.Nf3 f6 40.h3 Rb1 41.Nd2 Rb4 42.g4 hg4 43.hg4 Bb5 44.Bb5 Rb5 45.Ke3 Rc5 (45...Kg7 46.g5-+) 46.Nf3 (46.Kd3 b5 47.Nb3 Rc8-+) 46...b5 47.g5 (47.Ke2 b4 48.Ne1 b3-+) 47...fg5 48.Ng5 Ke7 (better 48...Rc3!? 49.Kd2 b4 50.Ne6 Ke7 51.Ng5-+) 49.Nf3 b4 50.Ne1 b3 51.Nd3 Rc3 52.Kd2 Rd3! 53.Kd3 g5 54.Kc3 g4 55.Kb3 g3 56.Kc4 g2 57.Kd5 Kf6 58.Kd6 g1Q 59.Kd7 (59.Kc6 Qb1 60.Kc5 Qe4 61.Kb6 Qb4 62.Kc7 e4 63.Kd7 Qb5 64.Kc8 Qc6 65.Kb8 e3 66.Ka7 e2 67.Kb8 e1Q 68.Ka7 Qe3 69.Kb8 Qeb6) 59...Qd1 (59...Qc5 60.Kd8 Qa7 61.Kc8 Ke6 62.Kd8 Qd7) 60.Kc6 Qd8 61.Kc5 Qd4 62.Kc6 Qe4 63.Kd7 (63.Kb6 Qb4 64.Kc7 Qb5 65.Kc8 Kf5 66.Kc7 Ke6 67.Kc8 Kd6 68.Kd8 Qd7) 63...Qd5 (63...Qc4 64.Kd6 e4 65.Kd7 e3 66.Kd6 e2 67.Kd7 e1Q 68.Kd6 Qd2) 64.Kc7 Qe6 (64...e4 65.Kb6 e3 66.Ka7 e2 67.Ka6 e1Q 68.Ka7 Qe7 69.Kb6 Qeb7) 65.Kb7 Qd6 (65...e4 66.Ka7 e3 67.Kb7 e2 68.Kb8 e1Q 69.Kc7 Qb4 70.Kd8 Qbd6) 66.Ka7 (66.Ka8 e4 67.Ka7 e3 68.Kb7 e2 69.Ka8 Qa6 70.Kb8 e1Q 71.Kc7 Qc3 72.Kd7 Qcc8) 66...Qc6 (66...e4 67.Kb7 e3 68.Kc8 Qb6 69.Kd7 e2 70.Kc8 e1Q 71.Kd7 Qee6) 67.Kb8 Qd7 (67...e4 68.Ka7 e3 69.Kb8 e2 70.Ka7 e1Q 71.Kb8 Qe5 72.Ka7 Qec7) 68.Ka8-+ Ke6 (68...Ke6 69.Kb8 Kd5 70.Ka8 Kc6 71.Kb8 Qb7; 68...e4 69.Kb8 e3 70.Ka8 e2 71.Kb8 e1Q 72.Ka8 Qee8) 0-1. zembelek (2010) - amayak (2115), Rated Blitz game, lichess.org, 2014.

8.h3 c6 9.Qb3 e5 10.de5 Ne5 11.Ne5 de5 12.c5 Bf5 Black intends e4 13.Rd1 Qc7 14.Bc4 Rad8 15.0-0 e4 16.a3 Be6? (16...b5 17.cb6 ab6 18.Qc2+=) 17.Be6 (17.Bf6!? Bf6 18.Ne4+/-) 17...Re6+= 18.Nc4 Nd5 19.Bg7 Kg7 20.Nd6 f5 21.Rd5 (21.Rd2 b6+=) 21...cd5= 22.Qd5 Red6 23.cd6 Rd6 24.Qe5 Kh6 25.g3 Qd7 26.Kg2 Re6 27.Qf4 Kg7 28.Rc1 Rc6 29.Qe5 Kf7 30.Rc6 Qc6 31.Qh8 h5 32.Qh7 Kf6 33.h4 a6 34.Qh8 Ke6 35.Qg8 Kf6 36.Qf8 Ke6 37.Qg7 Kd5 38.Qf7 Ke5 39.Qg7 Kd5 40.Qf7 Ke5 41.Qg7 Kd5 ½-½. bjoernsen (2390) - Chuldum (2520), Rated blitz game, lichess.org, 2022.

8.h3 e5 9.de5 Ne5 10.Ne5 de5 11.Qb3 Be6 (11...a5 12.ba5 Ra5 13.Be2=) 12.Rd1 Qe7 13.Be2 Rad8 (13...Nd7!?=) 14.Be5+= c5 15.b5 b6 16.Bb2 Bf5 17.0-0 Ne4 18.Ne4 Be4 19.Bg7 Kg7 20.Rd8 Rd8 21.Rd1 Bf5 22.Rd8 Qd8 23.Qd1 Qd1 24.Bd1 Bd3 25.Bb3 g5 26.f4 h6 27.Kf2 Be4 28.g3 f6 29.Ke2 Kf8 30.Kd2 Ke7 31.Bc2 Bg2 32.h4 Kd6 33.Bf5 Bf1 34.Bd3 Bg2 35.Bf5 Bf1 36.Kc3 Ke7 37.Be4 Kd6 38.Bd5 Bh3 39.Kd3 Bd7 40.Ke4 (better 40.e4!?+-) 40...f5 41.Kf3 g4 42.Ke2 Bb5 43.e4 fe4 44.Ke3 Bd7 45.Ke4 b5 46.f5 b4 47.Kf4 a5 48.Kg4 (48.Be4!?=) 48...a4 49.Kf4?? (better 49.Be4 Ke5 50.Bb1-/+) 49...b3-+ 50.ab3 a3 51.f6 a2 0-1. bjoernsen (2400) - Kojek (2455), Rated blitz game, lichess.org, 2021.

8.Qb3 e5

9.a4 e4 10.Ng5 h6 11.Nh3 c6 12.Nf4 Nf8 13.b5 g5 14.Ne2 Ng6 15.Nc3 d5 16.a5 Be6 17.a6 Rb8 18.Be2 Nh4 19.0-0 Qd7 (19...dc4 20.Bc4 (20.Nc4? cb5 21.Nb5 ba6 22.Ra6 Qd5–+) 20...cb5 21.Nb5= (21.Qb5? ba6 22.Qa6 Rb2–+)) 20.g3 (20.ab7 Qb7 21.Rfb1 dc4 22.Bc4 cb5 23.Qb5 Qc8=) 20...Nf5 21.ab7 Rb7 22.Ra6 (22.cd5!? Bd5 23.Nd5 Qd5 24.Ra5=) 22...dc4+= 23.Bc4 Bc4 24.Nc4 Nh4 25.f4 (25.bc6?? Qh3 26.gh4 Ng4 27.Rc1 Qh2 28.Kf1 Qf2) 25...cb5 26.Ne5 Qh3 27.Qc2 Ng4 (27...Nf5!? 28.Bc1 Rc7+=) 28.Ng4= Qg4 29.Ne4 Nf5 (better is 29...Qf5 30.fg5 Qe4 31.Qe4 Re4 32.gh4 Re3 33.gh6 Re2+=) 30.Bc1+/– Rbe7 31.Nf6?? (better is 31.Nf2 Ne3 32.Be3+/–) 31...Bf6= 32.Rf6 Ne3 33.Be3 Re3 34.Rh6 Re2?? (better is 34...R3e4 35.fg5 Qg5=) 35.Qh7+- Kf8 36.Qh8 Ke7 37.Qf6 Kd7 38.Qd6 Kc8 39.Rc1 Kb7 (39...Rc2 40.Rc2 Kb7 41.Rc7 Kb8 42.Rc5 Ka8 43.Qc6 Kb8 44.Rb5) 40.Qc6 (40.Rc7 Kb8 41.Rc5 Ka8 42.Qc6 Kb8 43.Rb5) 40...Kb8 41.Qb5 (41.Qb5 Ka8 42.Qc6 Kb8 43.Rb1 Rb2 44.Rb2#) 1–0. Jamieson,Ian (1840) – Kneebone,Robin FE (1800), East Devon Premier op, 2006.

9.Be2 ed4 10.Nd4 c5 11.Nb5 Ne5 12.0-0 a6 13.Nc3 cb4 14.Nd5 (14.Qb4 Bf5=) 14...Nc6 (14...a5 15.Bd4 Nd5 16.cd5=) 15.Nb4 Nb4 16.Qb4 b5 (better 16...a5!? 17.Qa3 Bf5+=) 17.cb5+/- ab5 18.Bb5 (18.Qb5? Ba6 19.Qg5 Be2-+) 18...Rb8 19.a4 Bb7? (19...Nd5 20.Qa3 Bb2 21.Qb2+/-) 20.Rfd1 (20.Bf6!? Bf6 21.Be8 Ba1 22.Bf7 Kf7 23.Ra1 Ba6+-) 20...Re7 21.Nc4 d5 22.Na5 Ne4 23.Bg7 Kg7 24.Nb7 (24.Qd4 Nf6 25.Nb3 Bc8+-) 24...Reb7 25.Qd4 Nf6 (25...Qf6 26.Qf6 Kf6 27.Rac1+- (27.Rd5?! Nc3 28.Rd2 Nb5 29.ab5 Rb5+/-)) 26.Bc6 (better 26.e4!? Re7 27.e5 Ne4+-) 26...Rb4 27.Qe5 Qa5 28.h3 (28.Bd5?! Rd8=) 28...Rb2 (better 28...Rd8+-) 29.Rd5 Rb1 30.Rb1 Rb1 31.Kh2 Qe1 32.Rd6?? (better 32.Kg3 Rb3 33.Kf3+-) 32...Qf2= 33.Bf3 Qg1 34.Kg3 Qe1 35.Kf4 (better 35.Kh2 Qg1 36.Kg3 Qe1 37.Kh2 Qg1=) 35...Qh4-+ 36.g4 Rb4 37.Rd4 Rd4?? (37...Rb6 38.Rd7 Qf2 (38...Qh3?! 39.Rf7 Kf7 40.Qc7 Kg8 41.Qb6 Qh2 42.Kg5 Qe5 43.Kh4 Qh2 44.Kg5 Qe5 45.Kh4 Qh2 46.Kg5=) 39.Rf7 Kf7 40.Qc7 Ke8 41.Qc8 Ke7 42.Qc5 Rd6 43.Qc7 Ke6 44.Qc8 Rd7 45.Qc6 Kf7 46.Qd7 Nd7-+) 38.ed4+/- (38.Qd4? Qf2 39.Ke5 Qf3-+) 38...h6 39.a5 (39.Ke3 Qe1 40.Be2 Qc3 41.Kf2 Qh3+-) 39...Qh3 (39...Qf2 40.h4+/-) 40.a6 (40.Ke3 Qf1+-) 40...Qh2 (40...Qf1 41.a7 Qf2 42.Qf6 Kf6 43.a8Q Qd4 44.Kg3 Qg1 45.Bg2 Qe3 46.Kh4=) 41.Ke3+- Qg1 42.Kd2 Qf2 43.Be2 Qg1 44.a7 (better 44.Kc3!?+-) 44...Qa1+= 45.a8Q (45.Qb8 Qd4 46.Kc2 Qe4 47.Kc1 Qe3 48.Kb1 Qe4 49.Ka1 Qd4 50.Ka2 Qa4 51.Kb2 Qd4 52.Ka3 Qe3 53.Ka4 Qd4 54.Kb5 Qb2 55.Kc6 Qc2 56.Kb7 Qe4 57.Kc8 Qc6 58.Qc7 Qa8 59.Qb8 Qc6 60.Qc7 Qa8 61.Qb8 Qc6=) 45...Qa8=+ 46.Ke3 Qa3 47.Kf2 g5 48.d5? (better 48.Bf3=+) 48...Qc5-+ 49.Kg3 (49.Ke1 Qd5 50.Qc3 Qe6-+) 49...Qd5 50.Qd5 (50.Qc3 Kg6 51.Bd3 Ne4 52.Be4 Qe4-+) 50...Nd5 51.Bc4 Nf4 52.Bf7 (52.Bb5-+) 52...Kf7 53.Kf3 Kf6 54.Kg3 Ke5 55.Kf3 Kd4 56.Kf2 Kd3 57.Kg3 (57.Kf3 Ng6 58.Kf2 Ne5-+) 57...Ke3 58.Kh2 Kf3 (58...Kf2 59.Kh1 h5 60.Kh2 hg4 61.Kh1 Nh3 62.Kh2 Ng1 63.Kh1 Ne2 64.Kh2 Kf3 65.Kh1 Nd4 66.Kh2 g3 67.Kh1 g2 68.Kh2 g4 69.Kg1 Ne2 70.Kh2 g1Q) 59.Kg1 Kg4 (59...Ke2 60.Kh1 Kf2 61.Kh2 h5 62.gh5 g4 63.Kh1 g3 64.h6 g2 65.Kh2 g1Q) 60.Kh2 h5 (60...Kf3 61.Kg1 Ke2 62.Kh1 Kf2 63.Kh2 h5 64.Kh1 g4 65.Kh2 g3 66.Kh1 g2 67.Kh2 g1Q) 61.Kg1 ½-½. Hopsa (2105) - leguizcaro (1825), Rated Blitz game, lichess.org, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 Nbd7 6.Nbd2 0-0 7.e3)

9.de5 de5 10.c5 e4 11.Ng5 Ne5?? 12.Be5+- Re5 13.Qf7?? (better 13.Nf7 Be6 14.Nd8 Bb3 15.ab3 (15.Nb3?! Rd8 16.c6 b5+/-) 15...Rd8 16.Bc4 Kf8 17.Ra7+-) 13...Kh8+= 14.Qb3?? (better 14.h4 Nd5 15.Rc1+=) 14…Rg5-+ 0-1. bjoernsen (2455) - BrankoShibarevic (2500), Rated blitz game, lichess.org, 2022.

9.de5 de5 10.c5 e4 11.Ng5 Qe7 12.Nf7 Nc5 13.Nh6 Kf8 14.bc5 Bh6 15.c6 bc6 16.Ba3 c5 17.Rc1 Be6 18.Qc2 Kg8 19.Bc5 Qd8 20.Ne4 Ne4 21.Qe4 Ba2 22.Bc4 Kh8?? 23.Qd4+- (23.Qd4 Qd4 24.Bd4 Bg7 25.Bg7 (25.Ba2?! Bd4 26.Rc7 Be5+/–) 25...Kg7 26.Ba2+-) 1–0. Lumsdon,Andrew – Umbach,Andreas, Bad Ragaz op, 1992. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.Nbd2 Nbd7 7.c4)

8.Qc2 e5

9.Be2 e4 10.Ng5 h5 11.Nge4+/- Ne4 12.Ne4 Nf6 13.Nf6 Qf6 14.Bd3 h4 15.0-0-0 h3 (15...Qe7 16.Rd2+/-) 16.gh3 Bh3 17.d5 (17.d5 Qb2 18.Qb2 Bb2 19.Kb2+/-) 1-0. yoseph2013 (2210) - Arifars17 (2270), Malam Jumat K Aji Arena, lichess.org, 2018.

9.de5 de5 10.c5 a5 11.b5 Nd5 (11...e4!? 12.Nd4 Nd5=) 12.e4+= Nf4 13.a4 b6 14.Nb3 bc5 15.Ba3 c4 16.Bc4 (better is 16.Nbd2!?=) 16...Ng2–/+ 17.Kf1 Nf4 18.h4 Nb6 19.Ng5 Nc4 20.Nf3?? (better is 20.Qc4 Qf6 21.Qc7–+) 20...Nb6 (20...Na3 21.Ra3 Bf8 22.Ra1 Bh3 23.Rh3 Nh3 24.Rd1–+) 21.Ng5 Nc4 22.Qc4 (22.Nf3 Na3 23.Ra3–+) 22...Qf6–+ 23.Qc6 (23.Qc7 h6 24.Qf7 Qf7 25.Nf7 Kf7 26.Rh2–+) 23...Qc6 24.bc6 h6 25.Nf3 Bg4 26.Nfd2 Re6 27.Rc1 Be2 28.Kg1 Rd8 29.f3? (29.Rc2 Bd1 30.Ra2 Rc6 31.Na5 Rc2 32.Rc2 Bc2–+) 29...Ba6 (better is 29...Rd3 30.Rb1 Rc6 31.Na5 Rc2–+ (31...Ra3?! 32.Nc6 Ra2 33.Rb8 Bf8 34.Kf2–/+; 31...Rd2?! 32.Nc6 Bf3 33.Rh2 Rh2 34.Kh2–+)) 30.Kh2 g5 31.Rc5 gh4 0–1. Yurtseven,C (2320) – Kose,S (2115), Konya TUR, Team Ch, 2012. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Nbd2 0-0 5.b4 d6 6.c4 Nbd7 7.Bb2)

9.de5 de5 10.Rd1 Qe7 11.c5 (11.Be2 Qb4 12.0-0 Nc5 13.Be5 Bf5+=) 11...e4–/+ 12.Ng5 (12.Nd4 a5 13.c6 Nb6 14.ba5 Ra5+=) 12...h6 13.Nh3 a5 14.a3 ab4 15.ab4 ½–½. Lins,Thomas – Grillich,Alexander (2140), Berlin Unicorn op, 2003.

9.de5 Ne5 10.Ne5 de5 11.Bd3+=.

8.Be2 e5

9.0-0 e4 10.Ne1 Nf8 11.a4 h5 12.Qb3 N8h7 13.b5 Ng4 14.h3 Nh6 15.f3 ef3 16.Bf3 Nf5 17.Nc2 Ng5 18.e4 Ng3 (18...Nh4!?+=) 19.Rfe1+= Bh3 20.gh3 (20.Kh2!? N3e4 21.Ne4 (worse is 21.Re4 Ne4 22.Be4 Bg4=) 21...Nf3 22.gf3+= (22.Kh3?? Qh4)) 20...Nh3= 21.Kg2 Qh4 22.Nf1?? (22.c5 Nf4 23.Kg1 Qg5–/+) 22...Nf4 (better is 22...Nf1 23.Rf1 Nf4 24.Kg1 Qg3 25.Kh1 Re4 26.Be4 Qb3 27.Rf4 Qh3 28.Kg1 Qg3 29.Bg2 Qf4–+) 23.Kg1= Nh3 24.Kg2 Nf4 25.Kg1 ½–½. Waterwiese,Gregor – Nowicki,Christian, Ruhrgebiet VK2–chT, 1996. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Nbd2 0-0 5.c4 d6 6.b4 Nbd7 7.Bb2 Re8 8.Be2 e5)

9.Qc2 c6 10.0-0+= d5 (10...ed4 11.Nd4 Qe7 12.Rfd1+=) 11.cd5 (11.de5!? Ng4 12.e6 fe6 13.Bg7 Kg7 14.e4+/-) 11...Nd5+= 12.a3 Qe7 13.de5 Ne5 14.Ne5 Be5 15.Nf3 Bb2 16.Qb2 b6 (16...Bg4 17.Rfd1=) 17.Rac1 Bb7 18.Nd4 Rac8 19.Bf3 a6 (19...c5!? 20.bc5 bc5=) 20.Bd5+/- cd5 21.Qb3 (21.Rc8 Bc8 22.Rc1 Bd7+/-) 21...Qg5 22.Rfd1 Ba8 (22...Rc4 23.Rc3+=) 23.Rc2 (23.Qa4 Bb7+/-) 23...h5 (23...Rc4 24.b5 Rec8 25.ba6 Rc2 26.Nc2+/-) 24.Rdc1 Rcd8 (24...Bb7 25.b5+/-) 25.Rc7 h4 26.h3 Re4 27.Rc8 (better 27.Qa4 Kg7 28.R1c3+-) 27...Kg7? (27...Bb7 28.R8c3+/-) 28.Rd8 (better 28.Qc3 Kg8 29.Qc7 Rc8 30.Qc8 Kg7 31.Rf1+- (31.Qa8?! Rd4 32.Qa6 Rd2+-)) 28...Qd8 29.Qc2 Kh7 (29...Qe8 30.Qc7 b5 31.Qb6+-) 30.Qc8 Qe8 31.Rc7 (31.Kh1 Re7 32.Qa6 Qb8+-) 31...a5 (better 31...Kg7 32.Qe8 Re8+-) 32.Qe8 Re8 33.Rf7 Kg8 (33...Kh6 34.ba5 ba5 35.Ra7+-) 34.Rc7 (34.Rf6 ab4 35.ab4 Kg7 36.Rb6 Kf7+-) 34...ab4 35.ab4 Rb8 36.Nf3 Bb7 (36...d4 37.Nd4 Bd5 38.Rd7+-) 37.Nh4 g5 38.Nf3 g4 (38...Ba6 39.Ng5 Rc8 40.Rc8 Bc8 41.g4+-) 39.hg4 (39.Ne5 g3 40.fg3 Ba6+-) 39...Bc8 (39...Ba6 40.Nd4 Rc8 41.Ra7+-) 40.Ne5 Ra8 (40...Kf8 41.f4 Ke8 42.f5+-) 41.f3 (41.b5 Kf8+-) 41...Ra1 42.Kf2 Ba6 43.Rc3 (better 43.Nd7 Rb1 44.Nf6 Kf8 45.Nd5 Bd3+-) 43...Rf1 44.Kg3 Rb1 45.Nd3 (45.Nd7 Bc4 46.e4 b5 47.ed5 Rb4+-) 45...Bb5 (45...Rd1 46.Nf4 d4 47.Ra3+-) 46.Nf4 Bc4 47.e4 Rb4 48.Nd5 (48.ed5 Kf8+-) 48...Bd5 49.ed5 Rd4 50.Rc6 b5 51.Rb6 (51.d6 b4+-) 51...b4 (51...Rd5 52.f4 Rd3 53.Kh4 Rd5+-) 52.d6 Kf7 53.Rb7 (53.f4 Ke6+-) 53...Ke6 54.d7! Ke7 (54...Rd7 55.Rb6 Double attack (55.Rb4 Deflection)) 55.g5 b3 (55...Rd7 56.Rb4 Rd2 57.f4+-) 56.Rb3 (56.g6 Rd7 57.g7 Rb7+-) 56...Kd7 57.Re3 Kd8 58.f4 Rd7 (58...Rd6 59.f5 Rd5 60.Kf4 Rd4 61.Re4+-) 59.Kg4 1-0. dannysmet (2030) - jbowler (2025), Rated Blitz game, lichess.org, 2020.

9.Qc2 ed4 10.Bd4 Ne5 11.0-0 c6 (11...Bf5 12.Qa4=) 12.Qb2 (12.Rfd1 Qc7+=) 12...Qc7 13.Rac1 Bd7 14.c5 Nf3 (14...Nd5 15.Ne4 dc5 16.bc5 Nf3 17.Bf3 Bd4 18.Qd4+=) 15.Nf3+/- Nh5 16.cd6 Qd6 17.Rfd1 Qc7 (17...Qe7 18.Bg7 Ng7 19.b5+=) 18.b5 Rad8 19.b6 ab6 20.Qb6 (20.Bb6?! Bb2 21.Bc7 Bc1 22.Bd8 Rd8 23.Rc1 Nf6=) 20...Rc8 (20...Qc8 21.Bg7 Ng7 22.a4+/-) 21.Qb2 (better 21.Qc7!? Rc7 22.Bb6+-) 21...Be6 22.Ne5 (22.Ng5 Bd4 23.Rd4 Ng7+/-) 22...Ra8+= 23.a3 Bd5 24.Bh5 (24.Nd3 Bd4 25.Qd4+= (25.ed4?! Nf4 26.Nf4 Qf4=)) 24...gh5?? (better 24...Be5 25.Be2 Bh2 26.Kh1 Bd6-/+) 25.Nc6+/- bc6 26.Bg7 Re6?? (26...Qd6 27.Bf6+/-) 27.Bd4 (better 27.Rd5 Rg6 28.Bf6+-) 27...Rg6+/- 28.g3 Qe7 29.Bc5 (better 29.Rb1!?+/-) 29...Qe4= 30.Rd5 cd5 31.Qd4 (31.Qb7 Re8 32.Rd1 Rg5=) 31...Qd4 (31...h4 32.Rd1 hg3 33.fg3=+) 32.ed4 Re6 (32...h4 33.Rb1=+) 33.Rc2 (33.h4 Re2=) 33...Re1 (33...h4 34.gh4 Kg7 35.f3=) 34.Kg2 Ra1 (34...h4!?=) 35.Re2+/- Kg7 36.Re5 Rd8 37.Rh5 Kg6 38.g4 Ra2 39.Rf5 f6 40.h4 h6 41.h5 (41.Kg3 Ra1+/-) 41...Kf7+= 42.Kg3 Ke6 (42...Ra1!?+=) 43.Rf3+/- Rb8 (better 43...Rd7!?+/-) 44.Re3+- Kf7 45.Re7 Kg8 46.Re6 Rb3 (46...Rb3 47.f3 Kf7 48.Re7 Kg8+-). zembelek (2025) - Piquro (1950), Rated Blitz game, lichess.org, 2014.

9.d5 a5 10.a3 c5 (10...e4 11.Nd4 ab4 12.ab4 Ra1 13.Ba1 Ne5 14.Qc2 Bg4 15.Ne4+=) 11.dc6 bc6 12.0-0 ab4 13.ab4 Ra1 14.Qa1 e4 15.Nd4=.

9.d5 c6 10.dc6 (10.e4 Qb6 11.Qa4 a5 12.a3 Ra7 13.0-0 ab4 14.Qb4 Qc7 15.Rfb1=) 10...bc6 11.e4 (11.a3!?+= a5 12.0-0 ab4 13.ab4 Ra1 14.Ba1 Qc7 15.Bc3=; 11.0-0 Rb8 12.a3 Qc7 13.Bc3 a5 14.Rb1 ab4 15.ab4=) 11...Rb8 (11...a5 12.a3 Qb6 13.Qa4 Rb8 14.Bc3 ab4 15.ab4=) 12.Bc3 (12.a3 d5 (12...Nc5 13.Qc2+= Ne6 14.0-0 Nf4 15.Rfe1=) 13.ed5 cd5 14.0-0 d4 15.Re1=) 12...c5 (better is 12...d5 13.ed5 (13.cd5 cd5–+ 14.Rc1 de4 15.Ng5–/+) 13...cd5 14.Qa4 d4 15.Bb2–/+) 13.b5 (13.a3 Bb7 14.Qc2 a5 15.ba5+=) 13...Bb7 14.Bd3 (14.Qc2 Nh5 15.0-0=) 14...Nf8 (14...d5!? 15.Qc2= (15.cd5 Nd5+=)) 15.0-0= Ne6 16.a4 Nd4 17.Re1 Bh6 18.Nb3 Nb3 (18...Bc8!?+=) 19.Qb3+= Nh5 20.Rad1 Qd7 21.Bf1 Bg7 22.Rd2 Bh6 23.Rdd1 Bg7 24.Qc2 Rbd8 25.Ba5 Rb8 26.Qd2 Bf8 27.Bc3 Qg4 28.h3 Qf4 29.Qe2 Nf6 e4 draws heavy fire 30.Nd2 Nd7 (30...Nh5 31.Nb3+/–) 31.a5 f5 32.g3 Qg5 33.Bg2 f4 34.Nf3 Qf6 35.gf4 (35.h4!?+-) 35...Qf4+= 36.Bd2 Qf7 37.Ng5 Qe7 38.h4 (38.Qd3 Nf6+=) 38...h6= 39.Nf3 Nf6 40.Nh2 (40.Qd3 Qe6=) 40...Nh5 41.Qg4 (41.Ng4 Kh7 42.Rb1 Qh4=+) 41...Kh7 42.f4 (42.Qf3 Bg7=) 42...Bc8 (better 42...ef4 43.Bf4 Bc8 (43...Nf4?! 44.Qf4 Rbd8 45.h5=) 44.Bd6 Qd6 (44...Bg4?! 45.Be7 Bd1 46.Bf8 Rf8 47.Rd1=+) 45.Rd6 Bg4–/+) 43.f5+= Qg7 44.Nf3 (44.Kf2 Nf6 45.Qg6 Qg6 46.fg6 Kg6=) 44...Nf6= 45.Qh3 (45.fg6 Qg6 46.Qg6 Kg6=) 45...gf5 (45...Qg8 46.Ng5 Kg7 47.Ne6 Re6 48.fe6 Be6 49.Qe3=) 46.ef5 Qg4 47.Nh2 (47.Qg4!? Ng4 48.Nh2=) 47...Qh3=+ 48.Bh3 Be7 49.Re2 (49.Kf2 Rg8–/+) 49...Rg8–/+ 50.Rg2 (50.Kf2 Bb7 51.Be1 Nh5–/+) 50...Rg2 (50...Bb7!? 51.Rg6 Rg6 52.fg6 Kg6–/+) 51.Kg2=+ Ne4 (51...Bb7!? 52.Kf1 Nh5–/+) 52.Be1= Bb7 53.Kf1 Rg8 54.Bg2?? (54.Ng4 h5 55.Ne5 Ng3 56.Bg3 Rg3 57.Nc6 Rf3 58.Kg2+-) 54...Rg2!–+ 55.Kg2 Nc3 56.Kf1?? (better 56.Rd5 Nd5 57.cd5 Bd5 58.Kg3–+) 56...Nd1 57.Ng4 (57.a6 Be4 58.b6 ab6–+) 57...h5 58.a6 Ba8 (58...hg4 59.ab7 Ne3 60.Kg1 Bh4 61.Bh4 Nf5 62.b8Q+-) 59.f6 (59.b6 ab6 (59...hg4 60.b7 Bb7 61.ab7 Ne3 62.Ke2 Nf5 63.b8Q+-) 60.f6 Bd8–+ (60...hg4 61.fe7 Ne3 62.Kf2+-)) 59...Bf8 (59...hg4?? 60.fe7 Ne3 61.Kf2 Nc4 62.e8Q+-) 60.Nf2 (60.Ke2 hg4 61.Kd1 Bf3 62.Kc2 Kg6–+) 60...Ne3 61.Ke2 Nc4 62.Nh3 (62.Kd3 d5 63.Ne4 Kg6–+) 62...Kg6 63.Kd3 Nb6 (63...Bd5!? 64.Ng5–+) 64.Ng5 (64.Ba5 Nc8 65.Ng5 Kf6 66.Nh7 Ke7 67.Nf8 Kf8–+) 64...Kf6 0–1. Matta Calvente,Marcel (1845) – Requena Torres,Luis A (1665), Puerto Rican Championship, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nbd2 Re8 8.Be2 e5)

9.de5 de5 10.0-0 b6 11.Qc2 Bb7 12.Rad1 Qe7 13.a3 Rad8 14.Rfe1 Nh5 15.Ne4 f5 16.Ned2 c5 17.b5 Ndf6 18.h3 Ne4 19.Ne4 Be4 20.Qc3 Bf3 21.gf3 Qh4 22.Bf1 e4 23.Qc2 ef3 24.Rd8 Rd8 25.Bg7 Ng7 26.Rd1 Ne6 27.Rd8 Qd8 28.Qd3 Qd3 29.Bd3 f4 30.Be4 fe3 31.fe3 Ng5 32.Bd5 Kg7 33.h4 Nf7 34.Bf7 Kf7 35.Kf2 Kf6 36.Kf3 Ke5 37.Kg4 1–0. barborski (1630) – fabiogmi, kurnik, 2012.

9.de5 de5 10.0-0 e4 11.Nd4 Ne5 12.Qc2 Neg4 13.h3 Nh6 14.Rfd1 Qe7 15.Nb5 Nf5 (15...Qb4? 16.Nc7 Bd7 17.Qb3 Qb3 18.ab3+-) 16.Rab1 Nh4 (16...a5 17.ba5 Ra5 18.g4+=) 17.Bf6 Bf6 18.Bg4 (18.Nc3!? Bc3 19.Qc3=) 18...Bg4+= 19.hg4 a6 20.Nd4 Bd4 21.ed4 Qe6 22.Rb3 Qg4 23.Rg3 Qf4 24.Nf1 Nf5 25.Rh3 Re7 26.Ne3 Ne3 27.Re3 Rae8 28.Rde1 f5 29.c5 c6 30.a4 Qc7 (30...Rd7 31.Qb3 Kg7 32.Rd1–/+) 31.b5 ab5 32.ab5 Qd7 33.Qc4 Qd5 34.Qd5 cd5 35.Ra3 Kf7 36.Ra7 Rc8 37.Kf1 f4 38.f3 (38.Ke2 h5+=) 38...e3–/+ 39.Ke2 Rcc7 40.Rea1 Kf6 41.Ra8 Kg5 (better is 41...Rcd7!?–/+) 42.Rd8= Red7 (better is 42...h5!?=) 43.Rd7+/– Rd7 44.Ra7 Rd8 45.Rb7 Ra8 46.Rh7 Ra2 47.Kd3 Ra3 48.Kc2 Ra2 49.Kb3 Rg2 50.Re7 Rf2 51.c6 Rf3 52.Re5 Kf6?? (52...Kh4 53.Kb4 Rf1+-) 53.Kb4 (better is 53.c7 e2 54.Kc2+-) 53...Rf1 54.c7 Rc1 (54...Rd1 55.Re6!! Ke6 56.c8Q Kf6 57.Qd8 Kf5 58.Qd5 Kg4 59.Qg2 Kh4+-) 55.b6 Rc4 56.Kb5 Rd4 (56...Kg7 57.b7 Rc7 58.b8Q+-) 57.Re8 Re4 1–0. Sinnwell,Horst – Canzler,Harald, Ruhrgebiet, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 Nbd7 7.Nbd2)

9.de5 de5 10.c5 a5 11.a3 Qe7 12.Qc2 Nd5 (12...ab4 13.ab4 Ra1 14.Ba1=) 13.Qc4 (13.Bc4 e4 14.Bd5 ef3 15.Bg7 Kg7+=) 13...c6=+ 14.0-0 b5 15.Qb3 Bb7 (15...e4 16.Nd4 Bb7 17.Rfd1=) 16.Rac1 (16.Ne4!?+=) 16...ab4 17.ab4 Ra4 18.Bc3 Rea8 19.Ra1 e4 20.Nd4 Bd4 (20...Nc3 21.Qc3 Nf6 22.Ra4 Ra4 23.Qb3-/+) 21.Bd4 (21.ed4?? e3 (21...Nc3?! 22.Qc3 Nf6 23.Ra4 Ra4 24.Kh1=+) 22.Ra4 ba4-+ (22...Ra4?! 23.Nb1=+)) 21...Rb4 (21...Nb4 22.Ra4 Ra4 23.Rc1=) 22.Ra8= Ba8 23.Qc2 Rd4? (better 23...Nf4! 24.Bg4 h5+=) 24.ed4+/- f5 25.Ra1 Bb7 26.Nf1 f4 (26...Qe6 27.Ne3 N7f6 28.Qb3+/-) 27.Bb5! N7f6? (27...cb5 28.c6 Passed pawn) 28.Bc4+- f3? (28...Qc7+-) 29.Ra7 fg2 30.Ne3 (worse 30.Kg2 Qd7 31.Kh1 Qc8+-) 30...Kf8 (30...Kh8 31.Bd5 Qc7 32.Bc6 Qc6 33.Qb2+-) 31.Bd5 Nd5 32.Nd5 cd5 33.c6 (33.Kg2?! Qg5 34.Kh1 Bc8+-) 33...e3 (33...Bc8 34.Re7 Ke7 35.Qc5 Ke6+-) 34.Rb7 (34.Rb7 h6 35.c7 ef2 36.Qf2 Kg7 37.c8Q g5 38.Re7 Kg6 39.Qe8) 1-0. gavgav2 (2280) - almostadams (2575), ï¶ï-/+ï¬ï¨ïà ï«ï¿¥Ð ï-/+ï=+ïà ï« ï+= ïÒ, lichess.org, 2020. (=1.d4 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...d6 2.Nf3 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 Nbd7 7.Nbd2)

9.de5 Ng4 10.Qc1 Nge5 11.0-0 a5 12.b5 Qe7 13.Nb3 a4 14.Nbd4 Nf3 15.Nf3 Ne5 16.Ne5 Be5 17.Bf3 a3 18.Bd4 Qh4 19.Be5 Re5 20.Rd1 Qf6 21.Qc3 Kg7 22.Qb4 Rg5 23.Bd5 Bg4 24.Rd4 Bf3 25.Bf3 Qf3 26.g3 Rf5 27.Rd2 b6 28.Rb1 f6 29.Rb3 Rc5 30.Rd4 Qe2 31.Qc3 Qa2–/+ 32.Rd2?? Qd2!!–+ (32...Qd2 33.Qd2 a2–+) 0–1. Charrier,Jean Claude – Yvinec,Jean Marc, FRA–Cup corr, 1994. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.c4 Nbd7 7.Nbd2 Re8 8.Be2 e5)

9.de5 Ne5

10.0-0 b6 11.Rc1 a5 12.a3 ab4 13.ab4 Bb7 14.c5 bc5 15.bc5 Ra2 16.Bd4 Qa8 17.cd6 cd6 18.Rc7 Nd5 19.Rc2 Nb4 20.Ra2 Qa2 21.Bb5 Rb8 22.Be5 de5 23.Bc4 Bf3 24.gf3 Qc2 25.Qc2 Nc2 26.Rc1 Na3 27.Bd5 Kh8 (27...Rd8 28.Ne4 h6= (28...Rd5? 29.Rc8 Bf8 30.Nf6 Kg7 31.Nd5+-)) 28.Bf7+/- Bf8 29.Kg2 Bb4 30.Ne4 Nb5 31.Bc4?? (31.Rb1 Na7+/-) 31...Nd6?? (better 31...Rc8 32.Nf6 Nd6-/+) 32.Nd6 Bd6 33.Rd1 Be7 34.Rd7 Bf6 35.Be6 Re8 36.Bh3 Rb8 37.Ra7 h5 38.Be6 Rb6 39.Bd5 Rb2 40.h3 Bh4 41.Ra2 Ra2 42.Ba2 Bf6 ½-½. Bryzgalin,K (2445) - Kubicka,Anna (2255), Titled Tuesday, 2020. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Bb2 Nbd7 7.Nbd2)

10.0-0 Bf5 11.Qb3 Ne4 12.Rad1 Qc8 13.Ne5 de5 14.Ne4 Be4 15.Bd3 (15.f3 Bc6+=) 15...Bd3 16.Rd3 e4 17.Rd5 Qe6 18.Bg7 Kg7 19.Qc3 Kg8 20.Rfd1 Re7 21.a4 Rae8 22.h3 h5 23.a5 c6 24.Rd6 Qc8 25.c5 a6 26.Qc4 Qf5 27.Qd4 Qe5 28.Rd7 Qd4 29.R1d4 (29.ed4?? Rd7 30.g4 Red8–+; 29.R7d4?! g5+=) 29...Kf8 30.Kf1 Rd7 31.Rd7 Re7 32.Rd8 Re8 33.Rd6 Re6 (33...Re5!?+=) 34.Re6+/– fe6 35.Ke2 Ke7 36.f3 (36.Kd2!?+/–) 36...ef3 37.Kf3 Kf6 38.g4 Ke5 39.h4 Kf6 40.gh5 gh5 ½–½. Racsko,Gyula – Gal,Sandor, Eger, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nbd2)

10.0-0 Bg4 11.h3 Bf3 12.Nf3 Nf3 13.Bf3 c6 14.Qc2 Qc7 15.Rad1 Rac8 16.g4 a5 17.a3 ab4 18.ab4 b6 19.Rd2 c5 20.b5 Rcd8 21.Rfd1 Re7 22.g5 Ne8 23.Bd5 Bb2 24.Qb2 Qd7 25.Kg2 Qf5 26.Kh2 Qg5 27.Rg1 Qe5 28.Qe5 Re5 29.Rg3 Kg7 30.f4 Re7 31.f5 f6 32.Rdg2 g5 33.h4 h6 34.hg5 fg5 35.e4 Re5 36.Ra3 Rd7 37.Ra8 Rde7 38.Rga2 Nf6 39.Be6 Re4 40.R2a7 Re2 41.Kg1 R2e6 42.fe6 Ra7 43.Ra7 Kg6 44.Rb7 Ne4 45.Rb6 Kf6 46.Kg2 Ke6 47.Kf3 Nf6 48.Rb8 g4 49.Kg3 h5 50.Rh8 d5 51.b6 dc4 52.b7 Nd7 53.Rd8 c3 54.Rd7 Kd7 55.b8Q Kc6 56.Qb3 Kd6 57.Qc3 Kd5 58.Qd3 Ke5 59.Qc4 Kd6 60.Kh4 Ke5 61.Kh5 g3 62.Qc5 Ke4 63.Qg1 Kf3 64.Kh4 g2 65.Kh3 1–0. barborski – mali49, kurnik, 2012.

10.Qc2 Bf5 11.Qb3 Nfg4 12.h3 Nh6 13.0-0 Qc8 14.Rac1 Bh3 15.gh3 Qh3 16.Nh2 Nhg4 17.Ndf3 h5 18.Rfe1 Nh2 19.Nh2 Re6 20.Bf1 Qh4 21.Bg2 Rf6 22.f4 Rf5 23.fe5 Qf2 24.Kh1 Rg5 25.Bd5 c6 26.Rf1 Qe2 27.Bf3 Qd2 28.Rc2 1–0. barborski (1695) – 29gabi (1640), kurnik, 2012.

10.Ne5 de5 11.c5 Nd5 12.a3 a5 13.b5 Be6 14.0-0 Qg5 15.Nf3 Qf5 16.Rc1 Rad8 17.Qc2 c6?? (better 17...Qc2 18.Rc2 e4=+) 18.e4+- Qg4 19.ed5 Bd5 20.h3 Qf4 21.Rcd1 a4? (21...e4 22.Nh2 Bb2 23.Qb2 h5+-) 22.Bc1 Qf5 23.Qf5 gf5 24.bc6 bc6 25.Rfe1 Rb8 26.Bd2 Rb3 27.Bb4 Bf6 28.Rc1 e4 29.Nd2 Rb2 (29...Rb8 30.Bc4 Rb2 31.Bd5 cd5 32.c6+-) 30.Nc4 Ra2 (30...Bc4 31.Rc4 Kf8 32.g3+-) 31.Nd6 Re5 32.Bc3 Re6 33.Nf5 Ra3 (33...Kf8 34.Ne3 Bc3 35.Rc3 Bb3+-) 34.Bf6 Rf6 35.Nd6 (better 35.Ne7 Kg7 36.Nd5 cd5 37.c6+-) 35...Kf8?! (35...e3 36.fe3 Re3 37.Bc4 Re1 38.Re1 Bc4 39.Nc4+-) 36.Bc4 Re6 (36...Bc4 37.Rc4 Re6+-) 37.Bd5 cd5 38.Nf5 (better 38.c6 Re7+-) 38...Ke8 (38...Rc6+-) 39.c6 Kd8 40.c7 Kc8 41.Nd4 Rb6 42.Nc6 (better 42.Rc5 Rab3 43.Nb3 Rb3 44.Rec1+-) 42...Kc7 43.Ne5 (better 43.Ne7 Kd7 44.Nd5+-) 43...Kd6+/- 44.Nf7 Ke6 45.Nd8 (better 45.Ng5!? Kf5 46.Nh7+/-) 45...Kd7= 46.Nf7 Ra2 (46...Ke6 47.Rc7+/-) 47.Ne5 Ke6 48.Ng4 Rbb2? (better 48...a3!? 49.f3 Rab2+=) 49.Rc6+- Kd7? (better 49...Kf7 50.Rec1 Rb7+-) 50.Rec1 h5 (50...e3 51.Nf6 Ke7 52.Nd5 Ke8 53.Rc8 (53.fe3?! Rg2 54.Kf1 Rgf2 55.Ke1 Rfe2 56.Kf1 Rf2 57.Ke1 Rfe2 58.Kf1 Rf2=) 53...Kf7 54.R1c7 Ke6 55.Nf4 Ke5 56.fe3 Rb1 57.Kh2+-) 51.Ne5 (better 51.Nf6 Ke7 52.Nd5 Kd7 53.Ra6+-) 51...Kd8?? (51...Ke7 52.Ra6 Rc2 (52...Rf2?? 53.Rc7 Kd8 54.Rd7 Kc8 55.Ra8) 53.Rc2 Rc2 54.Ng6 Kd7+-) 52.Rd6 Ke7 53.Rd7 (better 53.Rcc6 Rb1 54.Kh2+-) 53...Ke6-/+ 54.Rh7? (better 54.Rd1 Rb5 55.Rh7 Ke5 56.Rh5 Kd6 57.Rh6 Kc5 58.Ra6-+) 54...Ke5-+ 55.Rh5 Kd4 56.Rd1? (56.Rf1-+) 56...Rd2 57.Rd2 (57.Rb1 a3 58.Rb5 Kc4-+) 57...Rd2 58.Rh6 (58.Rh7 a3 59.Ra7 a2-+) 58...a3 59.Ra6 a2 60.Kh2 Kc4 (60...Rf2 61.Kg3 e3 62.h4-+) 61.Kg3 (61.h4 Rf2 62.Kg3 e3-+) 61...d4 62.Ra4 (62.Kf4 Rf2 63.Ke4-+) 62...Kb3 63.Ra5 (63.Ra8 Rb2 64.Rb8 Kc2 65.Rc8 Kb1-+) 63...d3 64.Ra6 Re2 65.Ra2 (65.Ra2 Ra2 66.Kf4 d2 67.Ke4 d1Q 68.g3 Rf2 69.Ke5 Kc4 70.Ke6 Qd5 71.Ke7 Rf7 72.Ke8 Qd7). cipiripi (2415) - pipo2016 (2510), Rated Blitz game, lichess.org, 2016.

8.e4 e5

9.d5 c5 10.a3 b6 11.b5 Rf8 12.Qc2 a6 13.a4 ab5 14.ab5= Ra1 15.Ba1 Nh5 16.g3 f5 17.ef5 gf5 18.Bh3 e4 19.Bg7 Ng7 20.Nh4 Ne5 21.0-0 Ng4? 22.Bg4+/– fg4 23.Qe4 Kh8 24.f4 gf3 25.Rf3+- Re8? 26.Qd3 Bg4 27.Re3 Rf8 28.Qe4 Nf5 29.Nf5+- Bf5 30.Qe7 Qb8? 31.Rf3 Kg8 32.g4! Bg6 33.h4 Rf3 34.Nf3 Qc8 35.Qg5 Kh8 36.h5 Bd3 37.h6 Qf8 38.Nd2 Bg6 39.Kh2 Bd3 40.Kg3 Bg6 41.Qf4 Qe7 42.Kf3 Kg8 43.Ne4 Be4 44.Qe4 Qf6 45.Qf4 Qc3 46.Qe3 Qf6 47.Kg3 Qd8?? 48.g5 Kf8 49.Kg4 Kg8 50.Qe6 Kf8 51.Kf5 Qg5= 52.Ke4 Qe3?? 53.Kf5 Qg5 ½–½. Klavcic,Klemen – Praznik,Niko, Bled op, 1992.

9.d5 c6 10.Be2 cd5 11.cd5 a6 12.0-0 Nh5 13.Rc1 Nf4 14.g3 (14.Nc4 Nf6 15.Bd3 N6d5 16.ed5 b5=) 14...Ne2= 15.Qe2 Nf6 16.Rc2 Qd7 17.a3 Qh3 18.Rc7 Bg4 19.Rb7 Rac8 20.Rb1 (better is 20.Qd3+/–) 20...Rc2+= 21.Qd3 Rec8 (better is 21...Bf3 22.Nf3 Rb2 23.Rb2 Qc8 24.Rf7 Qc1 25.Kg2 Qb2+=) 22.Ne1+/– (22.Qa6 Ne4 23.Qf1 Nd2 (23...Rd2?! 24.Qh3 Bh3 25.Nd2 Nd2 26.Rc1–/+) 24.Nd2 Rd2 25.Qh3 Bh3–+) 22...Bh6?? (better is 22...Rd2 23.Qd2 Ne4+/–) 23.Nc2+- Bd2 24.Rb6 Rc2 25.Qc2?? Bf3–+ 26.Qc8 Qc8 27.Be5 de5 28.Rf6–+ Qc2 29.Rf1 Qe4 30.h3 Bg2 31.Ra6 Bh3 32.Ra8 (32.f3 Qe3 33.Kh2 Bf1 34.Ra8 Kg7 35.Rg8 Kg8 36.d6 Qe2 37.Kg1 Qg2) 0–1. Comp Fritz 3 – Mogranzini,Roberto, ITA m1 Italy, 1996. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Nbd2 Re8)

7.Bd3 c6

8.Nbd2 a5 9.a3=.

8.Nbd2 d5 9.0-0 Qc7 (9...a5 10.ba5 Qa5 11.h3=) 10.Rc1 Qb8 (10...dc4 11.Nc4 Rd8 12.Re1+=) 11.cd5 Nd5 12.a3 N7f6 13.Nc4 Bg4 (13...Be6 14.Re1+=) 14.Nce5 Bc8 (14...Qd6 15.Rc2+=) 15.Qc2 (15.h3 Bh6+=) 15...a6 (15...Qd6 16.Rfe1+=) 16.Qd2 (16.h3 Qd6+=) 16...Bg4 (16...Qd6!?+=) 17.Ng4 Ng4 18.h3 Ngf6 19.Ne5 Rd8 20.Rc2 (20.e4 Nb6+=) 20...Nh5 (20...Nd7 21.Ng4+=) 21.Nf3 (21.Rd1 Qd6+=) 21...Bh6 (21...Nhf6 22.Rb1+=) 22.Bc4 (22.Rd1 Nhf6+=) 22...Ng3 23.Re1 24.Qd3 Nd6 25.Ba2 (25.Bd5 cd5 26.Rec1 Bg7=) 25...Bg7 (25...a5 26.b5 Nb5 27.Bd5 Rd5 28.a4+=) 26.Ng5 e6 27.Qe2 h6 28.Nf3 a5 29.e4 Nf4 30.Qd2 g5 31.ba5 Nb5 32.Qb4?? Nd3–+ 33.Qd2 Ne1 34.Qe1 Qa7 35.d5 Bb2 36.Rb2 Qa5 37.Qa1? cd5–+ 38.ed5 Nc3 39.Rb7 Qa3 40.Kh2 Rd5 41.g4 Rd1 42.Rb3 Ra1 (42...Ra1 43.Ra3 Ra3–+ (43...Na2?! 44.Ra8 Kh7 45.Ra7+=)) 0–1. Schmidbauer,Josef – Fink,Waldemar, Niederbayernliga, 2002.

8.h3 Qc7 9.0-0 a5 10.a3 e5 11.de5 de5 12.Nfd2 (12.Qc2 Rd8=) 12...Nb6 (better 12...Rd8=) 13.Ne4 (better 13.c5 Nbd7 14.Qc2=) 13...Ne4-/+ 14.Be4 (14.c5 Nc5! 15.bc5 Nd7-/+) 14...f5 (better 14...Nc4 15.Bc3 ab4 16.Bb4 Rd8-+) 15.Bd3? (15.c5 Nc4 (15...fe4?! 16.cb6 Qb6 17.Qb3 Kh8 18.Nd2=+) 16.Qb3 Be6-+) 15...Be6?? (better 15...e4!? 16.ba5 Ra5 (16...ed3 17.ab6 Qd6 18.Bg7 Kg7 19.Qb3+/-) 17.Bg7 Qg7-+ (17...Kg7?! 18.Be2=)) 16.Nd2 (16.c5!? Nc4 17.Bc4 Bc4 18.Re1=+) 16...Rad8 17.Qe2? (better 17.ba5 Rd3 18.ab6-+) 17...Rd7 (better 17...Qd7 18.Nb3 e4 19.Bg7 ed3-+ (19...Kg7?! 20.ba5 Na4 21.Bb1=)) 18.c5 (18.Bc2 Rfd8 19.Rfd1 ab4 20.ab4 c5=) 18...Nd5 (18...Qd8 19.cb6 Rd3 20.Nf3 ab4 21.Be5 Be5 22.Ne5 Ra3 23.Rad1-/+) 19.Bc4= Kh8 20.Rfd1 Rfd8 21.Nf3 Bg8 22.Ne5?? (better 22.b5+=) 22...Be5-+ 23.Be5 (23.Rab1 ab4 24.ab4 b5 25.cb6 Nb6 26.Rd7 Rd7-+) 23...Qe5 24.ba5?? (24.Qe1-+) 24…Nc3 (24...Nc3 25.Re1 Ne2 26.Be2 Rd2-+) 0-1. njkz (1755) - Penave (1940), Rated Classical game, lichess.org, 2014. (=1.d4 A41: 1 d4 d6: Tartakower System and Modern Defence 1...c6 2.c4 d6 3.b4 Nd7 4.Nf3 g6 5.Bb2 Bg7 6.e3 Ngf6 7.Bd3 0-0)

8.h3 e5 9.de5 de5 10.e4= (10.Be5? Ne5 11.Ne5 Nd7 12.Nc6 bc6-+).

8.0-0 Qc7

9.a3 b6 10.Nbd2 Bb7 11.Rc1 c5 12.d5 (12.e4 a5=) 12...e5 13.de6 fe6 14.bc5 (14.b5 a6=) 14...bc5 (14...Nc5!? 15.Qc2 Rac8-/+) 15.Ng5 Rae8 16.Qc2 e5 (16...Qc6 17.f3=) 17.e4 (17.Nh7 Kh7 18.Bg6 Kg8 19.Be8 Re8+=) 17...Bh6= 18.Ne6?? (better 18.Ngf3=) 18...Re6-+ 19.Rcd1 Bd2 (19...a6 20.Bc3-+) 20.Qd2 (20.Rd2 Nb8-+) 20...Nh5 (20...Be4 21.Be4 Ne4 22.Qd5-+) 21.Be2 (21.f3 Nf4-+) 21...Nf4 (21...Be4 22.Bg4 Bf5 23.Bf5 gf5 24.Bc1-+) 22.Bf3 (22.Bg4 Ree8 23.g3 Nb6 24.gf4 Nc4-+ (24...Be4?! 25.Bc1-+)) 22...Ref6 23.Bg4 (23.Qc2 Nh3! 24.Kh1 Ng5-+) 23...Nb6 (better 23...Be4 24.g3 Nd3 25.f4 Nb2 26.Qb2 ef4 27.Rf4 Rf4 28.gf4 Rf4 29.Be6 Kf8 30.Qh8 Ke7 31.Bh3-+) 24.Rc1 (24.Qc2-+) 24...Be4 25.g3 h5 (better 25...Nd3 26.f4-+) 26.gf4 hg4 27.fe5 de5 28.Qe3 (28.Qg5 Qe7 29.Qe5 Qe5 30.Be5 Re6-+) 28...Rf4 29.Qg3 (29.Ba1 R8f5 30.a4 Bb7-+) 29...Bf3 (better 29...Ba8-+) 30.Qh4 (30.Bc3-+) 30...g3 31.Qg5 (31.Qg3 Rg4-+) 31...Rg4 (31...gh2 32.Kh2 Qh7 33.Kg3 Bc6 34.Rce1 Rf3 35.Kg2 Rf2 36.Kg1 Qh2) 32.Qh6 gh2 (32...gh2 33.Kh2 Rg2 34.Kh1 Rg5 35.Kh2 e4 36.Be5 Qe5 37.Kh3 Bg2 38.Kh4 Qf4; 32...gf2 33.Kf2 Rg2 34.Ke3 Re2 35.Kd3 Qd8 36.Kc3 Qd4 37.Kb3 Rb2) 0-1. megaledon (1705) - khodamam41 (1760), Rated Blitz game, lichess.org, 2014. (=1.d4 Nf6 2.e3 d6 3.Bd3 g6 4.Nf3 Bg7 5.c4 Nbd7 6.0-0 0-0 7.b4 c6 8.Bb2 Qc7)

9.Nc3 e5 10.Qc2 ed4 11.ed4 a5 (11...Nb6 12.Rae1+=) 12.b5 c5 (12...Nb6 13.c5 Nbd5 14.b6=) 13.Na4 (13.Rac1 cd4 14.Nd4 Re8+=) 13...b6 (13...cd4 14.Bd4 Nc5 15.Nc5 dc5 16.Be5+=) 14.Rfe1 Bb7 (14...cd4 15.Re7+=) 15.d5 Rfe8 (15...Rae8 16.Nc3+=) 16.h3 (16.Nc3 Ng4+=) 16...Rad8 17.Qd2 (17.Rad1 Bc8+=) 17...Qc8 (17...Ne5 18.Ne5 de5 19.Rad1+=) 18.Qg5 Qc7 19.Rad1 h6 (19...Bc8 20.Nc3+=) 20.Qc1 (20.Qg3 Nh5 21.Qh4 Re1 22.Re1 Ndf6+=) 20...Qb8 (20...Ne5!?+=) 21.Bf6+- (21.Bf6 Nf6 22.Nb6 Re1 23.Re1+-) 1–0. GuestHVPN – GuestNBRG, freechess.org, 2018.

9.Nbd2 e5 10.Rc1 Re8 11.Qc2 ed4 12.ed4 d5 13.cd5 Nd5 14.Bc4 (14.a3 N7f6=) 14...N7f6 (14...Nb4? 15.Qb3 Nd5 16.Bd5+-) 15.b5 Bf5 16.Qb3 Nb6 (16...Qf4!?=) 17.bc6+= bc6 18.d5 (better is 18.Bb5!? Bd7 19.Ne5+=) 18...Nc4+= (worse is 18...Nfd5 19.Bg7 Kg7 20.Bd5 Nd5 21.Qd5 Qh2 22.Kh2 cd5 23.Rc7+/–; worse is 18...Nbd5 19.Bd5 Nd5 20.Bg7+/–) 19.Qc4 c5 (19...Qb6 20.Bf6 cd5 21.Qd5 Qf6 22.Rfe1+=) 20.Rfe1 (20.Bf6!? Bf6 21.Qc5+=) 20...Re1= 21.Re1 (21.Ne1? Ng4 22.Nef3 Bb2 23.Qc5 Qd8–+) 21...Qd6 22.Nh4?? (better is 22.Bf6 Bf6 23.g4+=) 22...Ng4–/+ 23.Nf5 Qh2 24.Kf1 gf5 25.Bc3 Qh1 26.Ke2 Re8 27.Ne4 Re4 28.Qe4 Qe1!! 29.Be1 fe4 30.f3 ef3 31.gf3 Ne5 32.d6 Nd7 33.Ke3 Be5 34.Ke4 Bd6 35.Kd5 Bf8 36.a4 Nb6 37.Kc6 Na4 38.Kb7 c4 39.Ka7 c3 40.Ka6 Bh6 41.Ka5 c2 0–1. Bessat,Remy (2015) – Lambert,Antoine, Herlies op, 1999.

9.e4 e5 10.Nc3 b6 11.d5 Bb7 12.a3 Ne8 13.Qd2 h6 14.a4 f5 15.ef5 gf5 16.Nh4 e4 17.Be2 Ne5 18.f4 Qd8 19.Nf5 Rf5 20.fe5 Re5 21.dc6 Bc6 22.Qf4 Qe7 23.Rad1 Rg5 24.g3 Be5 25.Qe3 Nf6 26.b5 ½–½. Waibel,Ulrich – Mangone,Mark, corr, 1997.

8.0-0 Re8

9.Nc3 d5 10.cd5+= cd5 11.Qb3 e6 12.a4 b6 13.Nb5 Qe7 (13...Ba6 14.Rac1+/-) 14.Nc7+/- Bb7? (better 14...Nc5!? 15.dc5 Qc7+/-) 15.Ne8+- Re8 16.a5 ba5 (16...Qd6 17.b5+-) 17.Ra5 Bc6 (17...a6 18.Ba6 Ba6 19.Ra6+-) 18.Ra7 Qd8 19.b5 Qb8 20.Qa4 Nb6 (20...Bb7 21.Qa5+-) 21.Qa5 Nc4 (21...Nc8 22.Rc7 Ba8+-) 22.Bc4 dc4 23.bc6 Qb2 24.c7 c3 (24...Nd5+-) 25.Qa6 c2 (25...Bf8 26.Rb7 Ba3 27.Rb2 Bb2 28.c8Q Rc8 29.Qc8 Kg7 30.Ne5+-) 26.c8Q c1Q 27.Qc1 Qc1 28.Rc1 Ne4 29.Ra8 Rf8 30.Rf8 Bf8 31.Rc8 Kg7 32.Qa8 Bb4 33.Rg8 Kf6 (33...Kh6 34.Qe4 Be7 35.Qg4 f5 36.Qh3 Bh4 37.Qh4) 34.Qe8 (34.Qe4 Ke7 35.Ng5 Ba5 36.Qb7 Bc7 37.Qc7 Kf6 38.Nh7 Kf5 39.Qf4) 34...Nd6 35.Qd8 Kf5 36.Ne5 Ke4 37.Qa8 (37.g4 Nb7 38.Qa8 Kd5 39.Qb7 Kd6 40.Nf7) 37...Kf5 38.Qf3 Kg5 39.Qf4 Kh5 40.g4 Kh4 41.Qh6 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

9.Nc3 e5 10.Be2 a5=.

9.Nc3 e5 10.de5 Ne5 11.Ne5 de5 12.e4=.

9.Nbd2 e5= 10.Ng5 (10.Qc2 Qe7 11.de5 de5=) 10...h6 (10...ed4 11.Bd4 c5 12.bc5 dc5 13.Bc3=) 11.Nge4+= ed4 (11...Ne4 12.Ne4 Nf6 13.de5 Ne4 14.Be4 de5 15.b5=) 12.Nd6 Re6 13.Nc8 (13.c5 de3 14.fe3 Re3 15.Qb3+/–) 13...Rc8 (better is 13...de3!? 14.fe3 Rc8=) 14.ed4+/– Qe7 15.Qa4 a6 16.Nf3 Ne4 (16...Re8 17.Rad1+/–) 17.Rad1 Ndf6 (17...Re8 18.d5 cd5 19.cd5+-) 18.Ne5 Ng5 (better is 18...Re8+/–) 19.f4+- Ngh7 (19...Nge4 20.c5+-) 20.f5 Rd6 21.Rde1 Nd7 22.fg6 fg6 23.Ng6 Qg5 24.Ne7 Kh8 25.Nc8 Bd4 26.Bd4 Rd4 27.Bh7 Kh7 28.Qc2 Kg8 29.Ne7 Kg7 1–0. Registration (2380) – Pirk (1680), ICC, 2003.

9.e4 e5=+ 10.d5 c5 (10...a5 11.dc6 bc6 12.b5 cb5 13.cb5–/+) 11.b5= Nh5 12.Nc3 (12.g3 Ndf6=) 12...Nf4 13.Re1 Nd3 (13...Nf6 14.Ne2 Nd3 15.Qd3=+) 14.Qd3 Rf8 (14...Nf6 15.Bc1=) 15.Bc1 (15.Rab1 Nf6=) 15...h6 (15...Nf6 16.Bg5=) 16.g3 (16.Be3 Nf6=) 16...f5 (16...Nf6 17.Bd2=) 17.Nh4 Qf6 18.Bb2 (18.a4 f4=) 18...f4=+ 19.Ne2 (19.a4 fg3 20.Qg3 Nb6 21.Ng6 Rf7–/+) 19...Qg5 (19...Nb6!? 20.Rac1 fg3 21.Qg3 g5–+) 20.f3 (20.Nf3 Qg4 21.Nh4 Qh5–/+) 20...Qh5 (20...Nf6 21.Bc1 Qh5 22.Rf1–/+) 21.Rf1 (21.a4 Nf6 22.Ng2 g5–/+) 21...Nf6 22.Ng2 (22.Bc3 Bh3 23.Ng2 Qg5=+) 22...g5 23.Rf2 (23.a4 a5–/+) 23...Qg6 (23...a6 24.b6–/+) 24.Re1 (better 24.Bc3=+) 24...h5 (better 24...a6!? 25.gf4 gf4 26.ba6 Ra6–/+) 25.gf4+= ef4 26.h4 gh4 (26...Ng4 27.Bg7 (worse 27.fg4 Bb2 28.hg5 Qg5 29.gh5 Bg4 30.Nef4 Bd4–/+) 27...Nf2 28.Kf2 Qg7 29.hg5+=) 27.Nef4+= Qg5 (27...Qg3 28.Bf6 Bf6 29.Nh5+-) 28.Bc1 (better 28.e5 Bf5 29.Qa3+=) 28...Rf7?? (better 28...Qg3 29.Ne2 Qg6=) 29.Ne6+- Qg6 (29...Qg3 30.Bf4 Qg6 31.Kh1 Nd5 32.cd5 Be6 33.de6 Qe6 34.Qd6 (34.Bd6?! Rd8 35.e5 h3+-) 34...Qd6 35.Bd6+-) 30.Ng5 b6 (30...Ng4 31.fg4 Rf2 32.Nh4 Bd4 33.Ng6 Re2 34.Kh1 Re1 35.Kh2 Rc1 36.Ne7 Kg7+-) 31.Nh4 Qh6 (31...Qg5 32.Bg5 a6 33.ba6+-) 32.Nf7 Qh7 33.Ng5 Qh8 34.e5 (better 34.Ng6 Qh6 35.Ne7 Kf8 36.Nc8 Qg6+-) 34...Bd7 35.ef6 Bf6 36.Qg6 (36.Qg6 Qg7 37.Qh5+-) 1–0. Rowe,Duane (2160) – Vasilyev,Mikhail (2165), 7. HD Bank Cup, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Bd3 c6 8.0-0 Re8)

9.e4 e5 10.de5 Ng4+=.

7.Bd3 e5

8.Nbd2 ed4 9.Bd4 c5 10.bc5 dc5 11.Bc3=.

8.Nbd2 Qe7 9.Qc2 (9.0-0 e4 10.Bc2 ef3 11.Qf3 d5–+) 9...Re8 (9...ed4 10.Bd4 a5 11.b5=) 10.de5 (10.0-0!?+=) 10...Ne5= 11.Ne5 de5 12.Qc3 Nh5 (12...c5 13.bc5 Qc5 14.Nb3=+) 13.e4 (13.Ne4!?=) 13...Nf4=+ 14.Bf1 Ne6 (14...Bg4 15.f3 Be6 16.g3=) 15.h4 (15.Rd1 Nd4=) 15...h6 (15...a5 16.ba5 Nd4 17.h5=) 16.Nf3 (16.h5 g5=) 16...Nd4 17.Bd3 (17.Rd1 Bg4=+) 17...c5 18.bc5 Qc5 (18...Nf3 19.gf3 Qc5 20.f4=+) 19.Nd4=+ ed4 (< 19...Qd4 20.Rd1=) 20.Ba3 (20.Qa3 Qh5=+) 20...Qc6–/+ 21.Qb3 (21.Qd2 Re4 22.Be4 Qe4 23.Kf1 Be6–/+) 21...f5 22.c5 Be6 23.Qb5 Bd5 24.f3 fe4 25.Qc6 Bc6 26.fe4 Be4 27.Be4 Re4 28.Kd2 Rae8 29.Rae1 Re1 30.Re1 Re1 31.Ke1 Kf7 32.Bc1 Ke6 33.Bf4 Bf8 34.g4 Kd5 35.Ke2 Kc5 36.Kd3 Bg7 37.Bb8 a6 38.Ba7 Kd5 39.Bb6 h5 40.g5 Be5 41.a4 Bg3 42.Bd4 Bh4 (43.a5 Bg5–+) 0–1. Roczniak,Jan – Niewadomski, corr Poland, (year?).

8.de5 Ne5 9.Ne5 (9.Be5? de5 10.Be2 Qe7–+) 9...de5 10.Be5+=.

8.de5 de5

9.Nbd2 a5 10.a3=.

9.Nbd2 Re8 10.Ne4 (10.e4 a5 11.a3 Bf8=) 10...Ne4=+ 11.Be4 Nf6 12.Qd8 Rd8 13.Ne5?? (better 13.Bc2 e4 14.Nd2=) 13…Ne4-+ 0-1. homoeporediensis (2035) - wret (1965), Rated Blitz game, lichess.org, 2015. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 Nbd7 7.Bd3 e5 8.de5 de5)

9.Be5? Ne5 10.Ne5 Nd7 11.Ng6 Ba1?! 12.Nf8 Qf8 13.Nd2 –/+.

9.Be5? Ne5 10.Ne5 Nd7 11.Ng6 fg6 –+.

9.Ne5 Ng4 10.Nd7 Bb2 11.Nf8 A) 11...Ba1?! 12.Nh7 Bf5 13.e4 Be4 14.Be4 Qd1 15.Kd1 Nf2 16.Kc2 Nh1 17.Ng5-+ (17.Bb7?? Rb8 18.Bd5 Kh7-+); B) 11...Kf8-+.

8.de5 Ng4

9.0-0 a5 10.b5 Nde5 11.Ne5 Ne5+= (worse is 11...de5 12.h3 Nh6 13.Nc3+=).

9.0-0 Nde5 10.Ne5 Ne5 (10...de5?! 11.h3 Nh6 12.Nc3=) 11.Nc3 Be6 12.Qe2 c6 13.Rfd1 Qh4 14.e4 Rad8 (14...a5 15.b5–/+) 15.a3 f5 16.ef5 Bc4 17.Bc4 Qc4 (17...Nc4 18.g3 Rde8 19.Qf1=) 18.fg6 hg6 19.Rab1 (19.Rd2 Rde8 20.Qd1 Qh4–/+) 19...d5 20.f3 Rde8 21.Qc4 Nc4 (21...dc4?! 22.Ne4 Re7 23.Rd6=) 22.Rd3 Nb2 23.Rb2 Re1 24.Kf2 Rc1 25.Rb3 Re8 26.f4 d4 27.Nb1 b6 28.Rg3 (28.Nd2 Rc2 29.Kf3 c5 30.bc5 bc5–+) 28...Rc2 29.Kf1 (29.Kf3 Kf7–+) 29...Kf7 30.a4 (30.h4–+) 30...Re7 (better is 30...Bf6!? 31.Rh3–+) 31.Na3 Rc1 (31...Ra2 32.Nc4 Ra4 33.Rg5 Ra1 34.Kf2 Ra2 35.Kf3–/+) 32.Kf2 c5 33.bc5 bc5 34.Rb2?? (better is 34.Nb5–/+) 34...d3!–+ 35.Rd2 c4 (35...c4 36.Nc4 Rc4 37.Rgd3 Ra4–+) 0–1. Buczinski,Henryk – Gos,Bogdan, corr Poland, 1994.

9.Nc3 Nge5 10.0-0 Nd3 11.Qd3 Ne5 12.Qe4?? (better 12.Ne5 de5 13.Qe2=) 12...Bf5-+ 13.Qb7 Nc4 14.e4 Bg4 0-1. benachamohcine (2035) - Kaizensama (2095), Rated Blitz game, lichess.org, 2014.

9.Nbd2 de5?! 10.h3 Ngf6 11.0-0+= (11.Be5? Ne5 12.Ne5 Ne8–+).

9.Nbd2 Nde5?! 10.Ne5 Ne5 11.Be4 –/+.

9.Nbd2 Nge5 10.Be5 Ne5 11.Ne5 de5 12.Be2 (12.Be4 c6–/+) 12...Qe7 13.Rb1 Rd8 (13...a5 14.b5–/+) 14.Qc2 Bf5 (14...a5 15.b5–/+) 15.e4 Bh6 16.Nf3 Bg4 17.0-0 Rd7 (17...Kg7 18.Rfd1+=) 18.Qb3 Rad8 19.Rfd1 Bd2 20.h3 Bf3 21.Bf3 Rd3 22.Qc2+= Qg5 23.Rb3 R3d4 24.Kf1 Qe7 25.Be2 Bb4–/+ 26.Rd4 ed4 27.Bd3 b6–+ 28.Qc1 c6 29.a3 Bc3 30.Qf4 Rd6 31.c5 bc5 32.Rb8 Kg7 33.Qg4 c4! 34.Bc4 d3 35.Bb3? d2 36.Bc2 Qe6 37.Rb1 Qa2 38.Qd1 Qa3 39.Rb3 Qc5 40.Qe2 a5 41.Bd1 a4 42.Rb7 a3 43.Qf3 Rf6 44.Qe2 a2 (44...a2 45.f3 a1Q 46.Rd7 Qc4 47.Rd3 Qd3 48.Kf2 Bd4 49.Kg3 Qe2 50.h4 Qad1 51.e5 Rf3 52.gf3 Qf3 53.Kh2 Be5#) 0–1. Doetsch,Ray – Inocencio,Edgarlino S (2215), Northern Virginia op, 1997.

9.Nbd2 Nge5 10.Ne5 Ne5 11.Be4 Nd3 12.Bd3 Bb2 13.Rb1 Bg7 14.0-0 a5 15.b5 Be6 (15...Re8 16.b6=) 16.a4 (16.Be4 Qc8=) 16...f5 17.Re1 Qd7 18.Nf3 f4 (18...Bc3 19.Re2=) 19.Qc2 fe3 20.Re3 Rae8 21.Rbe1 Bg4 22.Nd2 Re3+= 23.Re3 Re8 24.Be4= c6 25.Nf3 Bf3 26.Bf3 Re3 27.fe3 Qe8 28.Qd3 Be5 29.Qd2 Qd7? 30.Qa5+- cb5 31.ab5 Qc8 32.Bd5 Kh8 33.b6 Qc5 34.Qa8 Kg7 35.Qb7 Kh6 36.Kf2 Bf4?? 37.Qe7 Bg5 38.Qf8 Kh5 39.Qf3 Kh6 40.b7 Qb6 41.Qf8 Kh5 42.Kg3 Bh4 43.Kh3 Qe3 44.Qf3 (44.Qf3 Qf3 45.Bf3 Kg5 46.b8Q+-) 1–0. spblex (2375) – jvanmechelen (2445), net–chess.com, 2009.

7.Bd3 Re8

8.0-0 b6 9.Nbd2 e5 10.e4 ed4 11.Nd4 Ne5 12.Bc2 c5 13.N4f3 cb4 14.Qe2 Nh5 15.Rab1 Bh6 16.Bd4 Nf4 17.Qd1 a5 18.Ne5 Qg5 19.Qf3 (better 19.g3!? de5 20.Be3–/+) 19...de5–+ 20.Bb6 (20.Be3 Bg4 21.Bf4 Qf4 22.Qf4 Bf4–+ (worse 22...ef4 23.Ba4–/+)) 20...Bg4 21.Qe3 Reb8 22.Bc7 (22.c5 Qh5 23.Kh1–+) 22...Qe7 23.Kh1 Qc7 24.Qe1 (24.h3 Be6–+) 24...Be2 25.Rg1 Rd8 26.g3 (26.Rb3–+) 26...Rd2! 27.gf4 (27.Qd2 Bf3 Decoy) 27...Rc2 28.Rc1 Bf3 29.Rg2 Rc1 30.Qc1 Qd7 31.f5 (31.a3 Rd8 32.Qg1 Bg2 33.Qg2 Qd1 34.Qg1 Qf3 35.Qg2 Rd1) 31...Bc1 32.fg6 (32.h3 Bf4 33.fg6 Qd1) 32...Qd1 0–1. workchess (2280) – pierred (2795), net–chess.com, 2016.

8.Qc2 e5 9.de5 de5 10.Nbd2 Qe7 11.Rb1? (better is 11.Qc3=) 11...e4–+ (11...Qb4?! 12.Be5 Qe7 13.Bd4=) 12.Bf6 (12.Ne4 Ne4 13.Bg7 Kg7 14.Be4 Qe4 15.Qe4 Re4 16.Nd2–+) 12...Nf6 13.Ne4 Ne4 14.Be4 Qe4 15.Qe4 Re4 16.Rc1 Be6 (16...Be6 17.Nd2 Rh4–+) 0–1. Martynov,Gleb – Khasanov,Adel, Kazan City–ch, 2007. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.d4 d6 6.c4 Nbd7 7.Bd3 Re8)

8.0-0 e5

9.Be2 h6 10.Nc3 Nh7 (10...ed4 11.Qd4 Ne4 12.Qd3=) 11.b5 e4 12.Nd2 f5 13.Qb3 Ndf6 14.a4 Be6 15.Qc2 Qe7 16.Nb3 g5 17.c5 d5 18.Na5 Rab8 19.Ba3 Qf7 20.Rab1 f4 21.b6 (21.c6 f3 22.gf3 Qh5+=) 21...ab6 22.cb6 Bf8 23.Bf8 Nf8 (23...Rf8 24.Nb5 f3 25.gf3 cb6 26.Nb3+=) 24.bc7 (better is 24.Nb5!? cb6 25.Nd6+-) 24...Qc7+= 25.Nb3 b6 26.Qd2 Ng6 27.Nb5 Qd7 28.Rfc1 Rec8 29.Qb4 Bg4 30.Bf1 f3 31.Nd6 (31.g3 Bh3 32.Qd6 Kg7=) 31...Rd8 32.Nb5 Rdc8 (32...fg2 33.Bg2 Bh3–+) 33.Nd6 Rd8 34.Nb5 Ne8 35.Rc2 Rdc8 36.Rbc1 fg2–/+ 37.Be2?? Nh4 38.Rc8 Rc8 39.Rc8 Qc8 40.Qe1 Be2 41.Qe2 Nf3 (41...Nf3 42.Qf3 ef3 43.Na7 Qc4 44.h4 Qf1 45.Kh2 g1Q) 0–1. Voelschow,Toni Eleonore – Stemmler,Lysan (1665), Mecklenburg VP–ch U16 Girls, 2004. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6 5.d4 0-0 6.e3 Nbd7 7.Bd3 Re8 8.0-0 e5)

9.de5 de5 10.e4 c5 11.a3 Qc7 (11...a5 12.b5+=) 12.Nc3+= cb4 (12...Qd6 13.Qb3+=) 13.ab4+/– b6 14.Qd2 Bb7 (14...Bf8 15.Nd5 Nd5 16.cd5+/–) 15.Rfc1 (better is 15.Nd5 Nd5 16.cd5+/– (worse is 16.ed5 e4–/+)) 15...Rad8? (better is 15...Red8!?+/–) 16.Ra7+- Qb8 17.Rca1 Qc7 (17...Bf8 18.Nd5+-) 18.Nd5 Nd5 (18...Qb8 19.Qe3+-) 19.cd5 (19.ed5?! e4 20.Bg7 Kg7+=) 19...Rb8 (19...Ra8 20.Bb5 Ra7 21.Ra7+-) 20.Ba6 Nf6 21.d6 (21.d6 Qc8 22.Rc1+-) 1–0. chessbrasil (1955) – davidgheavy (2045), net–chess.com, 2008.

9.de5 Ne5 10.Ne5 de5 11.Nd2?? Qd3–+ 0–1. Fournier,Frederic – c911, Partie amicale, 5m + 2s, 2008.

9.de5 Ne5 10.Ne5 de5 11.e4=.

7.Be2 a5

8.a3 ab4 9.ab4 Ra1 10.Ba1 e6 11.0-0 Nb6 12.Nc3 Bd7 13.Bb2 Qe7 14.Qd3 Ra8 15.Ra1 Ra1 16.Ba1 h6 17.Bb2 Bc6 (17...d5 18.c5 Nc4 19.Qc2+=) 18.h3 (18.e4 d5 19.cd5 ed5+=) 18...Na4 (18...Bf3 19.Bf3 d5 20.c5+=) 19.Na4+= Ba4 20.e4 Nd7 21.e5 (21.Qa3 b5+/-) 21...d5 (21...de5 22.Qa3 (worse 22.de5 Qb4 23.Bc3 Qa3-/+) 22...Bc6 23.Ne5 (worse 23.de5 Bf3 24.Bf3 b6=+) 23...Ne5 24.de5=) 22.c5 Nb8 23.Qa3 Bc6? (better 23...Qd7+=) 24.b5 Bd7 25.Qa8 Qe8 26.Qb7 Bf8? (better 26...c6+-) 27.c6 (27.Qc7?! Bb5 28.Bb5 Qb5+/-) 27...Nc6 28.bc6 Bc6 29.Qc7 Ba4 30.Qc3 Qb8 31.Bc1 Qb1 32.Bd3 Qa2 (32...Qb3 33.Qb3 Bb3 34.Kf1+-) 33.Qb2 (33.Nd2!? Bd1+-) 33...Qb2 34.Bb2 Kg7 35.Bc3 Be7 36.g3 Bd1 37.Kg2 Ba4 38.Nd2 Bc6 39.f4 Bd8 40.Kf3 Bb6 41.g4 Ba4 42.Ke3 Bd7 (42...Bd1 43.Bb4+-) 43.Be2 (43.Nb3 f6+-) 43...Bc8 (43...Ba4+-) 44.Bd3 Bb7?? (44...Bd7 45.Nb3 f6+-) 45.Nf3 Bd8 46.f5 ef5 47.gf5 g5 (47...gf5 48.Bf5 Be7 49.Ba5+-) 48.f6 Kf8 (48...Bf6 49.ef6 Kf6 50.h4 gh4 51.Nh4+-) 49.Nh2 Ke8 (49...Bc8 50.Bb4 Kg8 51.Ng4 Bg4 52.hg4+-) 50.Ng4 (better 50.Bb5 Kf8 51.Ng4+-) 50...h5 (50...Bc8 51.Nh6 Bd7 52.Bb4+-) 51.Nh6 (better 51.Bb5 Bc6 52.Bc6 Kf8 53.Bb4 Kg8 54.Bd5 Bf6 55.Nf6 Kg7 56.Nh5 Kg6 57.Be4 Kh5 58.d5+-) 51...g4 (51...Bc6 52.Bf5+-) 52.hg4 (52.Bb5 Bc6 53.Bc6 Kf8 54.Bb4 Be7 55.Be7) 52...hg4 (52...Bc6 53.g5 h4 54.Bb4+-) 53.Ng4 (53.Bb5 Bc6 54.Bc6 Kf8 55.Bb4 Be7 56.Be7) 53...Bc8+- 54.Nf2 (better 54.Nh6 Bd7 55.Bb4 Bf6 56.ef6 Bc8+-) 54...Kd7 (54...Bc7 55.Bb5 Kd8+-) 55.Bb5 Kc7 56.Ba5 Kb7 57.Bd8 Bd7 58.Bd7 Ka6 (58...Ka7 59.e6 fe6 60.Bc6 e5 61.f7 ed4 62.Kd4 Ka6 63.f8Q Ka7 64.Qe7 Ka6 65.Qb7) 59.Kd3 (59.Bc6 Ka7 60.e6 fe6 61.f7 Ka6 62.f8Q Ka7 63.Qe7 Ka6 64.Qb7) 59...Kb7 60.Kc3 (60.e6 Ka7 61.ef7 Ka8 62.Bc6 Ka7 63.f8Q Ka6 64.Qa3) 60...Ka7 61.Kb4 Kb8 (61...Ka6 62.e6 Kb7 63.ef7 Ka8 64.Bc6 Ka7 65.Kb5 Kb8 66.f8Q Kc8 67.Bb6) 62.Kb5 Ka7 (62...Kb7 63.e6 fe6 64.f7 e5 65.Bb6 Kb8 66.f8Q Kb7 67.Bc6) 63.Bc7 (63.Bb6 Kb7 64.e6 fe6 65.f7 Kb8 66.f8Q Kb7 67.Bc6) 63...Kb7 64.Bb6 Ka8 (64...Ka8 65.e6 fe6 66.f7 Kb8 67.f8Q Kb7 68.Bc6). Gehaktbalmetjus (2060) - OrbiticS (2180), Rated Bullet game, lichess.org, 2019.

8.b5 b6

9.a4 Bb7 10.Nc3 e5 11.0-0 e4 12.Nd2 Re8 13.Qb3 Nf8 14.Rac1 h5 (14...Qe7 15.Nd5 Nd5 16.cd5+=) 15.Ba3 Qe7 16.Rfe1 N8d7 17.Nf1 h4 18.g3 (18.h3!?+=) 18...Rac8 19.Rc2 Nf8 20.Rd1 N8h7 (20...hg3 21.fg3 Ne6=) 21.Nd5 (better 21.gh4!? Kh8 22.Ng3+=) 21...Nd5=+ 22.cd5 Ng5 (22...Qg5 23.Rdc1=+) 23.Rdc1= (worse 23.gh4 Nf3 24.Bf3 ef3-/+) 23...Nf3 (23...hg3 24.Ng3 f5 25.h4 Nf3 26.Bf3 ef3 27.h5 gh5 28.Qd3-/+ (28.Nh5 Qh4 29.Qd3 Qh5 30.Rc7 Rc7 31.Rc7 Re4 32.Bd6 Rh4 33.Rc8 Bc8 34.Bh2 Rh2 35.Qf5 Rh1)) 24.Bf3 ef3 25.Nd2 hg3 26.hg3 (26.Nf3 Qe4 27.Nd2 gf2 28.Kf1 Qh1 29.Kf2 Qh2 30.Kf1 Qh3 31.Kf2 Qf5 32.Kg1 Bd5-+) 26...Qf6 (26...f5 27.Nf3 Bf6 28.Ne5 Be5 29.de5 Qe5 30.Rd2+=) 27.Rc3 (27.Rc7 Rc7 28.Rc7 Ba8+/-) 27...Bh6? (27...Qf5 28.e4 Qd7+=) 28.Qd1?? (28.Rc7!? Rb8 29.R1c2+/-) 28...Re7 (better 28...Bd5!? 29.Qf1 Qe6-/+) 29.Qf3+= Qf3 30.Nf3 Kf8?? (better 30...Rd7+=) 31.Nd2 (31.Bd6!? cd6 32.Rc8 Kg7+-) 31...Ke8 (31...Rd8 32.Rc7 Bd5 33.Re7 Ke7+-) 32.Nf1?? (32.Bd6 cd6 33.Rc8 Bc8 34.Rc8 Kd7+-) 32...Bg5?? (32...Kd7 33.g4=) 33.Kg2 (better 33.Bd6 Bd5 34.Be7 Be7 35.Rc7 Rc7 36.Rc7+-) 33...Rd7 (33...Bd5 34.Kg1 Kd7 35.Nd2=+) 34.f3 Bd8? (better 34...Bd5 35.g4 Ke7+=) 35.e4+- Re7? (35...f5 36.Ne3+-) 36.Kf2 (36.Bd6!? Rd7 37.Be5 f6+-) 36...Ra8 (36...Kd7 37.Ne3+-) 37.Rc4 (37.Ne3 f5 38.e5 Rh7+-) 37...Bc8? (better 37...f5 38.Nd2 Rh7+-) 38.Rc7?? (better 38.Bd6 cd6 39.Rc8 Rc8 40.Rc8+-) 38...Bc7-+ 39.Bd6? (better 39.Ne3 f5 40.Nc4 fe4 41.fe4 Re4 42.Bd6-/+) 39...Bd6 40.e5 (40.Rc6 Bb4 41.Rb6 Bb7-+) 40...Rc7 (better 40...Ba3 41.Rc4-+) 41.Re1 (41.Rc6 Rc6 42.dc6 Ba3-+) 41...Bf8 (41...Bb4 42.Re4 Rc2 43.Re2-+) 42.d6 (42.Ne3 Rc3-+) 42...Rc2 (42...Rc4 43.Ra1-+) 43.Kg1 (43.Re2 Rc4 44.Ra2 Rd4-+) 43...Be6 (43...Rc4 44.Ne3 Rd4 45.Rc1-+) 44.Ne3 Rac8 (44...Rd2 45.d5 Bd5 46.f4-+) 45.d5 (45.Nc2 Rc2 46.Re3-+) 45...Bd5! 46.Nd5 Kd7?? (46...Rc1 47.Kf2 Re1 48.Ke1 Rc5 49.Nf6 Kd8-+) 47.Nb6+= Kd8 (47...Ke6 48.Nc8 Rc8=) 48.e6 (better 48.Nc8!? Kc8 49.Re4+/-) 48...fe6 49.Re6?? (better 49.Nc8 Kc8 50.Re6=) 49...Ra2 (better 49...R8c3 50.Nd5 Rb3-+) 50.Nc8 (better 50.Re8! Ke8 51.d7 Kf7 52.dc8Q+- (worse 52.dc8N Bc5 53.Kh1 Ke8-+)) 50...Kc8 51.Re8 Kd7 52.Rf8 Ra1 (52...Ra4 53.Rg8+/-) 53.Kg2 (53.Kf2 Ra4 54.Rg8 Rb4 55.Rg7 Kd6 56.Rg6 Kc5 57.Rg5 Kb6+/-) 53...Ra2 54.Kh3 (better 54.Kf1 Ra4 55.Rg8+-) 54...Ra3?? (better 54...Ra4 55.Rg8 Rb4+/-) 55.Kg4 (better 55.b6 Ra4 56.b7+-) 55…Rf3 (55...Rf3 56.Rf3 Kd6+-). ClayPigeons (2105) - ZweiteMannschaft (2105), Rated Bullet game, lichess.org, 2020.

8.b5 c5

9.0-0 b6 10.d5 e5 (better 10...Qc7!?+=) 11.de6!+- fe6 12.Qd6 Bb7 (better 12...Qe8!? 13.Nc3 h6+-) 13.Qe6+- Kh8 14.Nc3 (14.Ng5 Qe8+-) 14...Qc7 (14...Re8 15.Qh3+-) 15.Rad1 Rae8 16.Qd6 Qc8 (16...Qd8 17.Ng5 Qe7 18.Na4+-) 17.Nd5 (better 17.Na4!? Kg8+-) 17...Bd5 18.cd5 (18.Rd5?! Nd5 19.Bg7 Kg7 20.cd5 Rf6+-) 18...Kg8 (18...Ne4 19.Bg7 Kg7 20.Qc6+-) 19.Bc4 (19.Qc6!? Ne4 20.Bg7 Kg7+-) 19...Ne4 20.Qe6! Re6 21.de6 Kh8 22.Bg7 (22.ed7?! Qc7 23.Ne5 Be5+-) 22...Kg7 23.Rd7 (23.ed7?! Qc7 24.Rd5 Rd8+-) 23...Kh6 24.Ne5 Qe8 (24...Nf6 25.Nf7 Rf7 26.Rf7 Ne4+-) 25.Rfd1 Rf2 (25...Ng5 26.h4 Ne4 27.Nf7 Kh5 28.Nd6 Qd7 29.Rd5 Kh6 30.ed7 Nd6 31.Rd6+-) 26.Ng4 (26.Ng4 Kg5 27.Nf2 Nf2 28.R1d5 Kh6 29.Kf2 Qe6 30.Rh5 gh5 31.Be6+-) 1–0. OnlyPolishOpening (1980) – Gigerl (2050), lichess.org, 2020.

9.bc6 bc6 10.0-0 Ba6 11.Nc3 Rb8 12.Qc2 Qc7 13.Rab1 e5 (13...Rb7 14.Rfd1=) 14.h3 (14.de5 Ne5 15.Ne5 de5+=) 14...Rfe8 15.Rfe1 (15.de5 de5 16.e4 Nh5=) 15...d5 16.cd5 Be2 17.Ne2 Nd5 18.de5 Ne5 (18...Nb4 19.Qc4+=) 19.Ne5 (19.Be5 Be5 20.Rb8 Rb8 21.Ne5 Qe5 22.Qc6 Nb4+/-) 19...Be5 (19...Nb4!? 20.Qc4 Be5 21.Be5 Qe5+= (worse 21...Re5 22.a3+/-)) 20.Be5+/- Re5 21.Rb8 Qb8 22.Qc6 Nb4 23.Qa4 Nd3 24.Rf1 Qb2 25.Nd4 Nb4 26.Qd7 (26.a3!? Nd3 27.Nc6+/-) 26...Qa2+= 27.Nf3 Rd5 28.Qe8 Kg7 29.Rc1 (better 29.Ne5!? Rd2 30.Nd7 Rd7 31.Qd7+-) 29...Nd3+/- 30.Rc7 (better 30.Rc8!? Qb1 31.Kh2+/-) 30...Qf2= 31.Kh2 Rf5 32.Rc8 (32.Nd4 Rf6 33.Ne6 Re6 34.Qe6 a4+/-) 32...Rf3 Exerts pressure on the isolated pawn (32...Kh6!? 33.Qe4 Rb5=+) 33.Qf8= Kf6 34.Rc6?? (better 34.Qd8 Kf5 35.Qd7 Kf6 36.Qc6 Ke5 37.Re8 Kf5 38.Qf3 Qf3 39.gf3+=) 34...Kg5-+ 35.Qd8 (35.Qd8 f6 36.Qa5 Kh6 37.Qc7-+). jhonores (2050) - CarlosTab (2060), Rated Bullet game, lichess.org, 2020.

8.b5 c6

9.a4 cb5 10.ab5 b6 11.0-0 Bb7 12.Nbd2 Ne4 13.Qc2 Nd2 14.Nd2 Rc8 15.d5 Nc5 16.Bg7 Kg7 17.Ne4 Ne4 18.Qe4 Qd7? (better is 18...e5+=) 19.Qd4+- Kg8 20.Qb6 e6 21.e4 (21.Qa5?! ed5 22.cd5 Bd5+-) 21...ed5 22.ed5 (worse is 22.cd5 f5 23.ef5 gf5+-) 22...Rce8 23.Bd3 Re5 24.Ra5 Bc8 25.Ra7 Qg4 26.Qd6 Qd4 27.Bb1 (27.Rfa1!? Rfe8 28.Bf1 Kg7+-) 27...Rd5 28.cd5 Qa7 29.b6 Qa8 30.Be4 Bb7 31.Bf3 Rd8 32.Qc7 Rc8 33.Qe7 Re8 34.Qg5 Qa5 (34...Qa5 35.Qc1 Qb6+-). typ48 – lecsaplak85 (1980), kurnik, 2012.

9.a4 Nb6 10.0-0=.

9.a4 Qc710.0-0 Re8 11.Nc3 e5 12.Rc1 e4 13.Nd2 Nf8 14.Rc2 h5 15.Qa1 Bf5 16.bc6 bc6 17.d5 N6d7 18.dc6 Qc6 19.Nb5 Bb2 20.Qb2 Nc5 21.Nb3 Nb3 22.Qb3 Ne6 23.Rd1 Nc5 24.Qa3 Rad8 25.Rcd2 Nd3 26.Bd3 ed3 27.Nd4 Qc4 28.Nf5 gf5 29.Rd3 f4 30.ef4 Qf4 31.g3 Qb4 32.Qa1 Re4 33.Rd5 Rde8 34.Rg5 Kf8 35.Qh8 Ke7 36.Qh5 Re1 37.Re1 Qe1 38.Kg2 Qe4 39.Qf3 Qa4 40.Rf5 Qa2 41.Qe3 Qe6 42.Qa7 Kf8 43.Qa5 Qe4 44.Rf3 d5 45.Qc7 Re7 46.Qd6 d4 47.h4 Ke8 48.Qb8 Kd7 49.Qb3 f5? 50.Kh2+- Re5 51.Rf4 Qd5 52.Qa4 Ke7 53.Rd4 Qb7 54.Qa3 Kf7 55.Rd8 Re7 56.Qa2 (56.Qa2 Re6 57.Rd6+-) 1–0. Kaenel,Hansjuerg – Wallace,Paul Anthony, Luzern ol (Men), 1982. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Be2)

9.a4 Re8 10.0-0 e5 11.Nc3 Qc7 12.Qb3 h6 13.Rfd1 ed4 14.ed4 c5 15.h3 b6 16.Bf1 (16.d5 Ne5+=) 16...Bb7 17.d5 Bc8 18.Ne2 Nh5 19.Bg7 Kg7 20.Qc3 Kh7 21.g4 (21.Re1 Bb7+=) 21...Ng7 22.Nf4 Ne5 23.Ne5 Re5 24.Bd3 (24.Bg2 f5 25.Qg3 fg4 26.hg4 Bd7+=) 24...f5 25.Qc2 Bd7 (worse 25...fg4 26.Ng6 Rg5 27.h4+/-) 26.h4 Rae8 27.f3 Qd8 28.h5 (28.Qh2!?=) 28...gh5-/+ 29.gf5 Qg5 30.Ng2 Bf5?? (better 30...Qf6=+) 31.f4+- Qg6 (31...Re2 32.Qe2 (32.fg5?! Rc2 33.Bc2 Bc2+=) 32...Re2 33.fg5 (33.Be2? Qg3 34.Rd3 Bd3-+) 33...Bd3 34.Rd3 hg5 35.Rf1+-) 32.fe5 Bd3 (32...de5 33.Bf5 Nf5 34.d6+-) 33.Qd3 Qd3 34.Rd3 Re5 35.Re1 Rg5 (35...Re1 36.Ne1 Nf5 37.Ng2+-) 36.Rf3 (36.Re7 Kg6 37.Rb7 Nf5+-) 36...Nf5 37.Kf2 Nd4 (37...h4 38.Re8+-) 38.Re7 Kg6 (38...Kg8 39.Rf4+-) 39.Rff7 (39.Nh4) 39...Nf5 (39...Rg4 40.Ne3 Rh4 41.Rg7 Kf6 42.Ref7 Ke5 43.Rg6+-) 40.Rb7 (40.Nf4) 40...h4 (40...Rg4+-) 41.Nf4 1-0. jhonores (2125) - Rafael_Dantas7 (2180), Hourly SuperBlitz Arena, lichess.org, 2020.

9.Nc3 e5 10.0-0 e4 11.Nd2 Re8 12.Qc2 e4 draws heavy fire 12...d5 13.Rfe1 Qc7 14.Qb3 a4 (14...dc4!? 15.Nc4 Nd5+=) 15.Na4+/- dc4 (15...cb5 16.Qb5 Ra5 17.Qb3+/-) 16.Bc4+- Nb6?? (better 16...Nd5+-) 17.Nb6 Qb6 18.Bf7 Kf8 19.Be8 Ne8 (19...Ke8 20.bc6 Qb3 21.Nb3 bc6 22.Rec1+-) 20.a4 (better 20.Ba3 Ra3 21.Qa3 Kf7 22.bc6+-) 20...Bf5 (20...Bh6 21.Ne4 cb5 22.Ba3 Kg7 23.ab5 Bf5+-) 21.Nc4 (better 21.Ba3 c5 22.Bc5 Qc5 23.dc5 Ba1 24.Ra1 Nf6+-) 21...Qc7 22.Ba3 Kg8 (22...Kf7 23.b6 Qb8 24.Nd6 Kf6 25.Qf7 Kg5 26.Ne8 Qe8 27.Qg7 h6 28.Qb7 Bd7+-) 23.Rac1 (better 23.Nd6! Kh8 24.Nf7 Qf7 25.Qf7+-) 23...Kh8 (23...Be6 24.Bc5+-) 24.Ne5! Be5 25.de5 Qe5 (25...Ng7+-) 26.Bb2 Qb2 27.Qb2 Kg8 28.bc6 Ng7 29.cb7 Rb8 30.Rc7 Ne6 31.Re7 Kf8 (31...Bg4 32.Qf6 Rf8 33.b8Q h5 34.Qg6 Kh8 35.Rh7) 32.Rh7 (32.Qf6 Kg8 33.Qf7 Kh8 34.Qh7) 32...Nc5 (32...Nd4 33.Qd4 Be6 34.Qf6 Ke8 35.Qe7) 33.Qh8 1-0. ClayPigeons (2050) - fgth (2090), Rated Bullet game, lichess.org, 2020.

8.b5 e5

9.0-0 ed4 10.ed4 d5 (10...Nb6 11.Bd3=) 11.Nbd2 dc4 12.Nc4 Nd5 13.Qd2 (13.Re1 Re8=) 13...N7f6 14.Nfe5 (14.Rae1 Ne4 15.Qc1 Bf5=) 14...Ne4=+ 15.Qc1 Be6 16.g3 (16.Re1 Re8=) 16...Nb6 (16...f6 17.Nd3=+) 17.Nb6 cb6 18.Bf3 Bd5 (18...Rc8 19.Qe3 (19.Be4? Rc1 20.Rac1 Bd5–+) 19...Rc2 20.Ba3=+) 19.Qe3+= Nf6 20.Rac1 Re8 21.a4 Bf3 22.Qf3 Qd5 23.Qd5 (23.Kg2 Rac8+=) 23...Nd5= 24.Rc2 (24.Rfe1 Bh6 25.f4 Bf8=) 24...f6=+ 25.Nf3 Bh6 26.Bc1 Bf8 27.Bd2 Kf7 28.Re1 Rec8 29.Rec1 Re8 30.Kf1 (30.Re1 Re1 31.Be1 g5=+) 30...Ba3 31.Ra1 Bd6 32.Re1 Rec8 33.Rec1 Re8 34.g4 (34.Re1 g5=+) 34...g5 35.Re1 (35.h3 Bb4=+) 35...Rec8 36.Rec1 Re8 37.Re1 ½–½. Tsyhanchuk,Stanislav (2395) – Sindarov,Javokhir (2295), Tashkent Uzbekistan, Hodjaev Memorial, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 a5 8.b5 e5)

9.Nc3 ed4 10.Qd4 Nc5 11.Qd2 Bf5 12.Rd1 a4 13.0-0 Re8 14.Nd4 Nfe4 15.Ne4 Ne4 16.Qc1 Bd7 17.Bf3 Qb8 18.a3 Ng5 19.Be2 Ne4 20.Bf3 Ng5 ½–½. Muri,Heinrich (2375) – Jaederholm,Bo (2495), Swiss Friends white, 2007.

7.Be2 a6

8.0-0 b6 9.Nc3 Bb7 10.Rb1 e5 11.de5 de5 12.Nd5 (12.Qb3 e4 13.Nd2 Re8=) 12...Nd5 13.cd5 Nf6 (13...e4!? 14.Bg7 Kg7=) 14.Be5+= Bd5 15.Rc1 Attacking the backward pawn on c7 15...Ba2 (15...c6 16.Bc4+=) 16.Bc7 (16.Qc2!? Bd5 17.Bc7+- (17.Qc7?! a5=)) 16...Qd1= 17.Rfd1 White gets the initiative 17...a5 18.b5 Nd5 19.Bd6 a4 (better 19...Rfc8 20.Rc6 Nc3=+) 20.Bf8+- Bf8 (20...Kf8 21.Nd4+-) 21.Bc4 (better 21.Rd2!? Nb4 22.Ne5+-) 21...Bc4+- 22.Rc4 Nb4 23.Ra1 a3 24.g3 (24.Kf1 f5+-) 24...a2 25.Nd4 Ra3 (better 25...f5+-) 26.Nc6?? (26.Nc2 Rb3 27.Nb4 Rb1 28.Rc1 Rb4 29.Ra2 Rb5+-) 26...Nd3?? (26...Bg7 27.Nd4 Bd4 28.ed4= (28.Rd4? Nc2 29.Rdd1 Na1 30.Ra1 f5–/+)) 27.Nd4?? (better 27.Rc2 Rb3 28.Rca2 (28.Raa2?! Rb1 29.Kg2 Ne1 30.Kh3 Nc2 31.Rc2 Rb5=) 28...Rb5 29.Kf1+-) 27...Nc5?? (27...Nb4 28.Nc2 Ra4+-) 28.Rc2+- (28.Rc2 Kg7 29.Rca2+-) 1–0. aravind555 (1810) – caldar (1970), lichess.org, 2020.

8.0-0 c6 9.Nc3 Qc7 10.Rc1 e5 11.Re1 ed4 12.ed4 c5 (12...Nb6!?+=) 13.bc5+/– dc5 14.d5 Ne8 15.Qb3 Nd6 16.Bd3 (16.h3 Rb8 17.a4 Qb6+/–) 16...Rb8 (16...b5!? 17.Ne4 bc4 18.Bc4 Rb8 19.Bg7 Rb3 20.Bf8 Ne4 21.ab3 Kf8 22.Re4 Nb6+/–) 17.a4 b5 18.ab5 ab5 19.cb5 (better is 19.Nb5!? Nb5 20.cb5 Bb2 21.Qb2+/–) 19...c4+= 20.Bc4?? (better is 20.Qb4 cd3 21.Ne4 Rb5 A) 22.Nd6? Qc1 (22...Rb4?! 23.Rc7 Rb2 24.Nc8+=) 23.Qb5 Qb2 24.Qd3 Qb4–+; B) 22.Rc7 Rb4 23.Nd6 Rb2 24.Nc8+=) 20...Qc4–/+ (worse is 20...Nc4 21.Ne4 Na5 22.Qb4+= (22.Rc7?! Nb3 23.Bg7 Kg7+=)) 21.Qc4 Nc4 22.Ba1 Ncb6 23.h3 Nf6 24.d6 Rd8 25.Red1 Be6 26.Ne5 Rbc8?? 27.Nc6= Rd7? 28.Ne2?? Nfd5–+ 29.Ned4 Bd4 30.Bd4+= Rd6 31.Bb6+/– Nb6?? 32.Rd6+- Nd5 33.Rd5! Bd5 34.Ne7 Kg7 35.Rc8 (35.Rc8 Bb7 36.Rc7+-) 1–0. ferminkatcho (1780) – atanas70 (1735), kurnik, 2012.

8.0-0 Ne4 9.Nc3 Nc3 10.Bc3 Nf6 11.Qc2 Bf5 12.Bd3 Bd3 13.Qd3 c6 14.Rfd1 d5 15.cd5 Qd5 16.Bb2 Ne4 17.Nd2 Nd6 18.Rdc1 Rfc8 19.a4 e5 20.Rc5 Qe6 21.de5 Nf5 22.Rac1 Rd8 23.Qc3 Rd5 24.Nf3 Rad8 25.Rd5 Rd5 26.Ng5 Qd7 27.Qc2 Rd2 28.Qb1 Bh6 29.Nf3 Rd3 30.Ne1 Rd2 31.Bc3 Rd5 32.Nf3 Ne3 33.Bd2 Nf5 34.Bh6 Nh6 35.g3 Nf5 36.Kg2 Nd4 37.Rd1 Ne6 38.Rd5 Qd5 39.Qc2 Nd4 40.Qd3 Nf3 41.Qf3 Qf3 42.Kf3 Kf8 43.Ke4 Ke7 44.f4 f6 45.ef6 Kf6 46.g4 h6 47.h4 b6 48.g5 hg5 49.hg5 1–0. J_K (1715) – Hurzzz (1675), lichess.org, 2018.

8.Nbd2 b6 9.0-0 Bb7 10.a3 c5 11.Qb3 Qc7 12.Rac1 Rfe8 13.Rfe1 Qc6 14.d5 Qc7 15.Bd3 e5 16.de6 Re6 17.e4 Rae8 18.Qc2 Ne4 (better 18...R6e7 19.Bc3 cb4 20.ab4 a5=) 19.Bg7 (better 19.Be4 Bb2 20.Qb2 Be4 21.Ng5+/-) 19...Nd2-/+ 20.Qd2 Kg7 21.Ng5 R6e7 22.Rcd1 h6 23.Nh3 Qc6 24.f3 (24.Nf4 Re1 25.Re1 Re1 26.Qe1 Ne5-/+) 24...d5 25.cd5 (25.Re7 Re7 26.Nf4 dc4-/+) 25...Qd5 (better 25...Re1 26.Re1 Re1 27.Qe1 Qd5-/+) 26.Nf4?? (better 26.Qb2!? Nf6 27.Re7 Re7 28.Nf2-/+) 26...Qd4 (better 26...Re1 27.Re1 Re1 28.Kf2 Qe5 29.Ng6 fg6 (29...Qh2?! 30.Qe1 Qd6 31.Qc3 Qf6 32.Qf6 Kf6 33.Nf4-/+) 30.Qe1 c4-+) 27.Kf1 Re1 28.Re1 Re1 29.Ke1 Qg1 30.Bf1 Qh2?? (better 30...Nf6!?-+) 31.Qd7 (31.Ne6! Kg8 32.Qd7 Qe5 33.Be2 Qc3 34.Kf2 fe6 35.Qb7 Qd4 36.Ke1 Qc3 37.Kd1 Qb3 38.Kd2 Qb2 39.Kd1 Qb3 40.Kd2 Qb2 41.Kd1 Qb3=) 31...Qf4 32.Qb7 Qe3 (32...cb4 33.ab4 Qb4 34.Ke2 Qc4 35.Ke1 Qc3 36.Ke2 Qe5 37.Qe4 Qe4 38.fe4=+) 33.Be2= Qa3 34.Qb6 cb4 (34...Qa1 35.Kd2 Qb2 36.Kd3 Qb3 37.Ke4=) 35.Qa6 (35.Ba6 Qc3 36.Ke2 b3=) 35...Qc3 36.Kf2 b3 37.Bd3 Qd2 38.Kg3 Qe1 39.Kh3 b2 40.Qb5 Qd2 41.Qb3 g5 (41...h5 42.g3=) 42.Qc2 (42.g4 Kf6=) 42...Qb4 (better 42...Qc1 43.Kg3 h5=) 43.Qb1?? (43.g4!?+=) 43...h5 (43...Qh4) 44.g3=+ Qh4?? (44...Qd2 45.Be4=+) 45.Kg2 (better 45.gh4 gh4 46.Qb2 Kf8 47.Qb4 Kg7 48.Qd4 Kf8 49.Qd8 Kg7 50.Bf5 f6 51.Qe7 Kg8 52.Be6 Kh8 53.Qf8 Kh7 54.Bf5) 45...Qd4=+ 46.Be4 Qd2 47.Kh1 (better 47.Kh3!?=) 47...Kf6-/+ 48.Qc2 (better 48.Bc2 Qc1 49.Kg2-/+) 48...Qb4 (better 48...Qc2!? 49.Bc2 Ke5-+) 49.Bh7 (49.Qd3 Kg7=) 49...Kg7 (49...Qd4 50.Be4=) 50.Qf5 (50.Kg2!?=) 50...Qe1 51.Kg2 Qe2 52.Kh3 1-0. dannysmet (2005) - altyse (2030), Rated Blitz game, lichess.org, 2020.

8.Nbd2 c6 9.a4 Qc7 10.0-0 e5 11.de5 (11.a5 ed4 12.Nd4 c5 13.bc5 dc5=) 11...Ne5 (11...de5 12.e4=) 12.Rc1 (12.a5 Be6+=) 12...Bg4 (12...Re8 13.a5=) 13.Ne5 (13.a5 Rae8+=) 13...Be2= 14.Qe2 de5 15.Nf3 (15.Rfd1 Rfd8+=) 15...Ng4 (15...e4 16.Nd2 Ng4 17.Qg4 Bb2 18.Rb1=) 16.h3 e4 17.Bg7?? (better 17.hg4 ef3 18.gf3 Bb2 19.Qb2+=) 17...ef3–+ 18.Qf3 (18.hg4 fe2 19.Bf8 ef1R 20.Rf1 Kf8 21.g5–+) 18…Qh2 0–1. aravind555 (1810) – d4dan70 (1835), lichess.org, 2020.

8.Nbd2 e6 9.0-0+= h6 (9...b6 10.Qc2+=) 10.Qb3 b6 11.e4 (11.a4 a5+=) 11...c5 12.h3 g5 (12...cd4!? 13.Bd4 e5=) 13.e5+- de5 14.de5 Nh5 15.g3 cb4 (15...f5 16.Rfd1 Qe8 17.Rab1+=) 16.Rad1 a5 (16...Qc7!? 17.Ne1 Ng3 18.Qg3 Be5 19.Be5 Qe5+-) 17.Nh2 Nc5 Black intends a4 (17...Ng3 18.Qg3 Bb7 19.Ng4+-) 18.Qf3 (18.Qe3 f5 19.Bh5 Qd3+-) 18...Bb7 (18...Nf4 19.gf4 Bb7+-) 19.Qh5 a4 (19...Na4 20.Ba1 Nc3 21.Bc3 bc3+-) 20.Ndf3 Qc7 (20...Qe7 21.Ng4+-) 21.Ng4 a3 (21...Bf3 22.Bf3 Rad8 23.Nh6 Bh6 24.Qh6+-) 22.Bd4 Kh7 (22...Bf3 23.Bf3 Qe7+-) 23.Ng5 Kg8 24.Nh6 Bh6 25.Qh6 f5 26.ef6 Ne4 (26...Rf7 27.Qg6 Rg7 28.fg7 Be4 29.Qh6 Qg3 30.fg3 b3 31.Qh8) 27.f7 Rf7 28.Qh8 1–0. marekt – valerypavlovich, net–chess.com, 2019.

7.Be2 b6

8.0-0 Bb7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 6.Be2 Bb7 7.0-0 d6 8.d4 Nbd7).

8.0-0 Rb8 9.Qc2 Re8 10.Nbd2 e5 11.de5 Ne5 12.Ne5 de5 13.Rad1 Qe7 14.a3 c5 15.b5 a6 16.a4 ab5 17.ab5 Bb7 18.Nf3 e4 19.Ne5 Ra8 20.Ra1 Nh5 21.Bh5 Be5 22.Be2 Qf6 23.Be5 Qe5 24.Rad1 Red8 25.Rd8 Rd8 26.Rd1 Rd1 27.Qd1 Qc7 ½–½. Hall,I – Vann,M, England, 1988.

8.0-0 Ne4 9.Nbd2 (9.Nfd2 Nd2 10.Nd2 Bb7+=) 9...Nef6 10.d5 Bb7 (10...a5 11.Qa4+=) 11.Nd4 Ne5 (11...a5 12.a3+=) 12.f4+/– Ned7 13.e4 Re8 14.Nc6 Qc8 (14...Bc6!? 15.dc6 Nb8+=) 15.e5+- de5 (15...Nh5 16.Bh5 gh5 17.Qh5 Bc6 18.dc6+-) 16.fe5 (16.Ne5?! b5=; 16.Be5 e6 17.de6 Re6+=) 16...Nh5 (16...Nd5 17.cd5 Bc6 18.dc6 Ne5 19.Qb3+-) 17.Bh5 Bc6 18.Bg4 Bb7 (18...e6 19.dc6 Ne5+-) 19.Rf7!! Kf7 (19...e6 20.Be6 Re6 21.de6 Nf8+-) 20.Bd7 Qd8 (20...Qd7 21.e6 Qe6 22.de6 Kg8 23.Bg7 Kg7 24.Qe1+-) 21.Be6 Kf8 22.Qf3 Bf6 23.ef6 (23.ef6 ef6 24.Bf6+-) 1–0. pcmvr (2225) – pblanctranchant (2160), net–chess.com, 2006.

8.a4 c5= 9.dc5 dc5 10.b5 Bb7 11.0-0 Qc7 12.Qb3 Rad8 13.Nbd2 e5 14.Rfd1 e4 15.Ne1 Ne5 16.Nf1 Bc8 17.f4 Ned7 18.g4 h6 19.Ng3 Nb8 20.g5+/– hg5 21.fg5 Nh7 22.Bg7 Kg7 23.Qc3 Kg8 24.Ne4 Qe7 25.Bf3 Nd7 26.h4 Ne5 27.Bg2 Bf5 28.Ng3+/– Bg4 29.Rd5 Rd5 30.Bd5 Qc7 31.Kg2 Qd7?? 32.Qe5+- Re8 33.Qf4 Re7 34.Nd3 Be6 35.e4 Kg7 36.Ra2 Nf8 37.Rf2 Bh3 38.Kh2 Be6 39.Ne5 Qc8 40.Qf6 Kg8 41.Qe7 Bd5 42.cd5 c4 43.Rf7 c3 44.Rg7 Kh8 45.Ng6 (45.Ng6 Ng6 46.Rh7 Kg8 47.Qg7#) 1–0. Hingst,Thomas (2085) – Ziebarth,Susanne, remoteschach.de, 2011.

8.b5 Bb7 9.Nc3 c5 10.0-0 Qc7 11.Qb3 e6 12.a4 Rac8 13.Nd2 h5 14.Rfd1 Ng4 15.d5+/= e5 (15...ed5 16.Nd5 Bd5 17.Bg7 Kg7 18.cd5+=) 16.h3 Ngf6 17.a5 Rce8 18.ab6 (18.a6 Bc8+/–) 18...ab6+/= 19.Ra7 Nh7 20.e4 (20.Bd3 Ra8 21.Rda1 Ra7 22.Ra7 Ra8 23.Ra8 Ba8+/–) 20...Bh6+/= 21.Qc2 Qb8 22.Rda1 Re7 23.Bc1 Ndf6 24.Nb3 Bc1 25.Nc1 Kg7 26.Nd3 Ng5 27.f3 Rfe8 28.Qc1 Ngh7 29.h4 Ng8 30.g4 hg4 31.fg4 Qd8 32.Qe3 Kh8 33.Kf2 Bc8 34.Qg3 f5 35.gf5 gf5= 36.ef5 Bf5 37.Ke3 Nh6 38.Kd2= Rg8 39.Qh2 e4 40.Ra8+/– Bc8 41.Nf4 e3 42.Kc1 Ree8? 43.Ne6+-! Qf6? 44.Ne4 Qg6 45.Nd6 Re6 46.de6 Be6 47.Qe5 Nf6 48.Qe6 Qg1 49.Kc2 Qf2 50.Rg8 Nhg8 1–0. Rehberg,Norbert – Haakert,Juergen, Hessen–ch M Stadtallendorf, 1975.

8.Nc3 c5 9.a3 Bb7 (9...Re8 10.0-0+=) 10.0-0+= Rc8 (10...e6 11.dc5 dc5 12.Nb5+=) 11.Qb3 (11.d5 a6+=) 11...Qc7 (11...cd4 12.ed4 Nh5 13.d5=) 12.Rac1 (12.Nb5 Qb8+=) 12...cd4 (12...a6 13.Rfd1=) 13.Nd4+= Qb8 14.Nd5 Rfe8 15.Rfd1 Qa8 (15...a6 16.Bf3+=) 16.Nf6 (16.Bf3 a6+=) 16...Bf6 (16...Nf6 17.Bf3+=) 17.Bf1 (17.Bg4 Red8+=) 17...a5 (17...a6 18.f3=) 18.Nb5 Bb2 (18...a4 19.Qa2+=) 19.Qb2+= Ba6 20.Nd4 Ne5 21.Qb3 (21.b5 Bb7=) 21...Rc7 (21...Qe4 22.Be2=) 22.f4+= Nd7 23.Qa4 (23.Be2 e5 24.Nc2 Bb7=) 23...Ra7 (23...Qe4 24.Kf2=) 24.Nb5 (24.Qc2 ab4 25.ab4 Bb7+=) 24...Bb5= 25.Qb5 (worse 25.cb5 ab4 26.Qb4 Ra3–/+) 25...ab4 26.ab4 Rd8 (26...Qe4 27.Rc3=) 27.Be2 White prepares c5 (27.Bd3 Ra2 28.e4 Qa3=) 27...Ra3 (27...Ra2 28.Bf3 Qa3 29.Re1=) 28.Bf3+= Qa4 29.Qa4 Ra4 30.c5 bc5 31.bc5 dc5 32.Rd2 (32.Kf2 f5+=) 32...Ra7 33.Bc6 Rc7 34.Bb5 (34.Rc5 Kg7 35.Rc3 Rdc8 36.Bd7 Rc3 37.Bc8 Rc8=) 34...Rb7 (34...Kf8 35.Kf2=) 35.Ba4 Ra7 36.Rc4 (36.Bd7 Rad7 37.Rd7 Rd7 38.Rc5 Rd2=) 36...Kf8 (36...Kg7 37.Bd7 Rad7 38.Rd7 Rd7 39.Rc5=) 37.Kf2 e6 38.Bd7 Rad7 39.Rd7 Rd7 40.Rc5 Rd2 (40...f5 41.Rc4=) 41.Kf3+= Kg7 42.h3 Ra2 43.g4 Rh2 44.Kg3 Re2 45.Re5 Re1 46.Kf2 Ra1 47.Kg2 Ra2 48.Kg3 Ra1 49.Rb5 (49.Rc5 h6=) 49...Rg1 (49...h6 50.Rc5=) 50.Kf2+= Rh1 51.Kg2 Re1 52.Rb3 h6 53.Ra3 (53.h4 g5=) 53...g5 54.Kf2 Rh1 55.Kg2 Re1 56.Kf2 ½–½. Kaenel,Hansjuerg (2335) – Gaehwiler,Gabriel (2250), SUI–ch op, 2010. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Be2 b6)

8.Nbd2 Qe8 9.0-0 e5 10.Rc1 Qe7 11.Qb3 Kh8 12.d5 Ne8 13.e4 f5 14.ef5 gf5 15.h4 h6 16.g3 Rg8 17.Nh2 Bf6 18.Kh1 Qg7 19.Rg1 Qf7 20.Rcf1 Ng7 21.f4 e4 22.a4 Bb2 23.Qb2 Nf6 24.Qd4 Bd7 25.b5 Rae8 26.Ra1 Kh7 27.a5 Ngh5 28.Bh5 Nh5 29.Qe3 Qg7 30.ab6 ab6 31.Nhf1?? Qa1–+ 32.g4 fg4 33.Ne4 Qg7 34.Qd3 Kh8 35.Ne3 Nf4 36.Qb1 Qe5 37.Ng4 Bg4 38.Nd6 cd6 (38...cd6 39.Qf1 Qe1 40.Rg3 Qf1 41.Kh2 Re2 42.Rg2 Rg2; 38...Bf3 39.Rg2 Bg2 40.Kh2 Ne2) 0–1. Schultz Tornau,Richard – Lamm,Tobias, Verbandsliga Sued Baden, 1996. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 0-0 5.e3 d6 6.c4 Nbd7 7.Be2 b6)

8.0-0 c5

9.a3 Bb7 10.Nc3 Rc8 11.b5 a6 (11...cd4 12.Nd4 (worse 12.Qd4 Ne4 13.Qd3 Ndc5–+) 12...Qc7 13.Rc1=) 12.a4 (12.ba6 Ba6 13.d5 Qc7+=) 12...a5 (12...cd4!? 13.ed4 ab5 14.Nb5 d5=) 13.d5+= Ng4 14.e4 Nge5 15.Re1 (15.Ne1 Nf6+=) 15...Nf3 16.Bf3 (worse 16.gf3 Bd4=+) 16...Ne5 17.Nb1?? (17.Be2!?+=) 17...Nc4 (better 17...Nf3 18.Qf3 Bb2–+) 18.Bg7=+ Kg7 19.Qc2 (19.Bg4 Rc7=+) 19...Ne5 20.Be2 Qc7 (20...e6 21.Nc3=+) 21.Nd2 e6 22.de6 (22.f4!? Nd7 23.Bc4=) 22...fe6–/+ 23.Nf3 Nf3 (23...Qf7 24.Rad1 Rcd8 25.Kh1–/+) 24.Bf3 d5 25.ed5 ed5 26.Qc3? (better 26.Rad1 d4 27.Be2–/+) 26...d4–+ 27.Qd3 Bf3 28.Qf3 (28.gf3 Qf7 29.Rac1–+) 28...Rf3 29.gf3 Qf4 30.Re4 (30.Re7 Kh6 31.Re6–+) 30...Qf3 31.Rae1 Rf8 32.Re7 Rf7 (better 32...Kh6 33.R1e2 Rf5–+) 33.R7e6 Qf2 34.Kh1 Qf3 35.Kg1 Qb7 (35...Rf4 36.Re7 Kh6 37.Rh7 Kh7 38.Re7 Kh6 39.Rh7 Kh7 40.h3 Qg3 41.Kh1 Rf1) 36.R6e2 (36.R6e4 d3 37.R4e3 Qd5–+) 36...d3 37.Re3 c4 (37...Qd7 38.Rd3 Qd3 39.Kg2 Qd2 40.Kg1 Qe1 41.Kg2 Qd2 42.Kh3 Rf3 43.Kg4 Qf4) 38.Rd1 Qd5 39.Ree1 Qd4 (39...Qg5 40.Kh1 Rf2 41.Re7 Kh6 42.Rh7 Kh7 43.Rg1 Qd5 44.Rg2 Qg2) 40.Kh1 c3 Black prepares d2 41.Rg1 c2 42.Rc1 (42.Rg6 hg6 43.h4 Qh4 44.Kg2 Rf2 45.Kg1 cd1Q) 42...d2 (42...Qe4 43.Rg2 Rf2 44.Rcg1 c1R 45.Rc1 Qg2) 43.Rc2 (43.Rg6 hg6 44.h4 Qh4 45.Kg2 Rf2 46.Kg1 dc1Q) 43...d1Q (43...Qe4 44.Rg2 d1Q) 44.Rc1 (44.Rcg2 Q1g1! 45.Rg1 Qe4 46.Rg2 Rf1) 44...Q1g1! 45.Rg1 Qe4 46.Rg2 Rf1 0–1. Markzela (1675) – Femp49 (1920), lichess.org, 2020.

9.b5 cd4 10.ed4 Bb7 11.Re1 d5 12.Nbd2 Rc8 13.Rc1 a6 14.ba6 (14.cd5 Nb8+=) 14...Ba6= 15.Qb3 dc4 16.Bc4 Bc4 17.Nc4 Nd5 18.Ba3 Re8 (18...N7f6!?=) 19.Nd6+= ed6 20.Qd5 Rc1 21.Rc1 Re6 22.Ng5 (22.Bd6? Nf6 23.Qb7 Qd6–+ (23...Rd6? 24.Rc8+-)) 22...Nf6?? (better 22...Rf6 23.Ne4 Re6 24.Nd6 Bh6+-) 23.Ne6+- Nd5 24.Nd8 1–0. Janek – Gustave, internet, 2016.

7.Be2 c5

8.a3 Qb6 9.Nc3 cb4 10.Na4 Qc7 11.ab4 e5 (better 11...Nb6!? 12.Nb6 Qb6=) 12.0-0 (12.Nc3 a6+-) 12...e4 (12...ed4 13.Qd4 Nh5 14.Qh4+-) 13.Nd2 h5 (13...Nb8 14.Nc3+-) 14.Nc3+- Re8 (14...b6 15.f3+-) 15.Qc2 (15.c5 d5+-) 15...d5 (15...b6 16.Nde4 Ne4 17.Ne4+-) 16.Rfc1 (16.c5 Rd8+-) 16...dc4 17.Nb5 Qb8 18.Nc4 (18.Bc4?! Nb6 19.Bb3 Be6+-) 18...Bf8 (18...Re6 19.Nc3+-) 19.Ne5 Nd5 (19...Bd6 20.Nd6 Qd6 21.Bc4+-) 20.Qe4 N7f6 21.Qc2 (21.Qh4 Be7 22.e4 Bg4 23.Bg4 Ng4+-) 21...Bf5 (21...a6 22.e4 Nb4 23.Qb3+-) 22.Qb3 Be6 23.Bc4 Qd8 (23...Rc8 24.g3+-) 24.Nc3 (24.Na7!? h4+-) 24...Nb4 25.Be6 Re6 26.Ba3 a5 (26...Nfd5!? 27.Ne2 a5 28.e4+-) 27.Ng6! Ng4? (27...fg6 28.Qe6 Deflection (28.Qe6 Overloading)) 28.Nf8 Qh4 (28...Qf8 29.Bb4 ab4 30.Ra8 Qa8 31.Qb4 Rg6+-) 29.Ne6 Qf2 30.Kh1 Qh4 (30...Qe3 31.Rf1 Nd3+-) 31.h3 Nf2 32.Kh2 Nbd3 (32...Re8 33.Bb4 ab4 34.Qb4 fe6 35.Qb5+-) 33.Qb7 Ng4 (33...Re8 34.Nf4! Nc1 35.Rc1 Ng4 36.Kh1 Re3 37.Qc8 Kh7 38.Qf5 Kg7 39.Nh5 Kh8 40.Qg4 Qg4 41.hg4 Re8+-) 34.Kg1 Qf2 35.Kh1 Re8 36.Rf1 (36.hg4?! Qh4 37.Kg1 Qf2 38.Kh2 Qh4 39.Kg1 Qf2 40.Kh2 Qh4 41.Kg1=) 36...Qg1 37.Kg1 (37.Kg1 Nf6 38.Rf6 Ne5 39.de5 Re6 40.Qf7 Kh8 41.Bf8 Rf6 42.Qg7) 1–0. Drazic,Sinisa (2390) – Hill,Alistair (2200), Graz Open A, 2017.

8.a3 cd4 9.ed4 a5 10.b5 Ne4 11.0-0 Ndf6 12.h3 b6 13.Nbd2 Bb7 14.Nb3 (14.Ne4 Ne4 15.Bd3 e6=) 14...Rc8 15.Rc1 h6 (15...Bh6 16.Rc2=) 16.Bd3 Qd7 (16...d5 17.c5 a4 18.c6 ab3 19.cb7 Rc1 20.Bc1=) 17.Re1+= Rfe8 18.d5 Nc5 19.Nc5 Rc5 (19...dc5!? 20.Ne5 Qc7+/-) 20.Bd4+- Rcc8 (20...e6 21.de6 Re6 22.Re6 Qe6 23.Bc5 dc5 24.Qe2 Qe2 25.Be2+-) 21.Bb6 Ra8 22.Bd4 Rac8 23.Qd2 a4 (23...e5 24.de6 Re6 25.Re6 Qe6 26.Re1+-) 24.Qb4 (24.Bf6 ef6 25.Qb4 Re1 26.Re1 Ra8+-) 24...Ra8 25.Bc2 Nh5 (25...e6 26.de6 (worse 26.Ba4 ed5 27.Re8 Qe8+/-) 26...Re6 27.Qc3+-) 26.Bg7 Kg7 27.Ba4 Kh7 28.Bc2 Bc8 (28...e6 29.de6 Re6 30.Re6 fe6 31.Rd1 Bf3 32.Qd6 Qd6 33.Rd6 Bg2 34.Re6 (worse 34.Kg2 Ra3 35.b6 Nf4 36.Kf1 Rh3+-) 34...Bh3 35.Rg6+-) 29.a4 Kg8 (29...Nf4 30.Re4 e5 31.de6 Ne6 32.Qd2+-) 30.Qd2 g5 31.a5 Nf4 32.g3 (better 32.Nd4 e5 33.de6 fe6+-) 32...Nh3 (better 32...Qh3!? 33.gf4 Qg4 34.Kf1 Qf3+/-) 33.Kf1 Qg4 (33...Qc7 34.Qd3 f5+-) 34.Qd3 f5 35.Nh2 (better 35.Nd4 Qh5 36.Nf5 Nf2 37.Qd4 (37.Kf2?! Bf5 38.Qf3 Qh2 39.Qg2 Qg2 40.Kg2 Bc2+-) 37...Qh3 38.Kf2 Bf5 39.Rh1+-) 35...Qh5 36.g4 Qf7?? (36...fg4 37.Qg6 Double attack) 37.Qh3 fg4 38.Qh6 Rf8 (38...Ra5 39.Bg6 Qf6 40.Bh7 Kf7 41.Re7 Re7 42.Bg8 Kg8 43.Qf6 Raa7 44.Qg5 Kf7 45.Qf4 Ke8 46.Qd6 Rab7+-) 39.Bh7! Kh8 (39...Qh7 40.Qg5 Double attack) 40.Bg6 Kg8 41.Bf7 Rf7 42.Qg5 Rg7 43.Qh6 g3 44.fg3 Bg4 45.Ng4 Rf8 46.Ke2 Rg4 47.Rh1 Rg7 48.Qh7! Kf7 (48...Rh7 49.Rh7 Combination) 49.Qg7! Ke8 (49...Kg7 50.a6 Passed pawn) 50.Rcf1 (50.Rh7 Rf2 51.Kf2 Kd7 52.Qe7 Kc8 53.Qe8) 50...Rf1 (50...Rf5 51.Qg8 Kd7 52.Qe6 Kc7 53.Qe7 Kb8 54.Rh8 Rf8 55.Rhf8) 51.Rf1 Kd7 52.Rf8 Kc7 (52...Kc7 53.Qe7). jhonores (2250) - criollitex (2235), Rated Blitz game, lichess.org, 2020.

8.a3 e6 9.0-0 b6 10.Nc3 Bb7 11.Qd3 d5 12.dc5 bc5 13.Rfd1 a6 14.Na4 Qe7 15.bc5 Nc5 16.Nc5 Qc5 17.Rac1 Rac8 18.cd5 ½–½. Lengerer,Peter – Hermann,Sven, Dresden–ch, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Be2 c5)

8.a3 Re8 9.0-0 e5 (9...a5 10.bc5 dc5 11.Nc3+=) 10.Nc3 (10.de5 Ne4+=) 10...e4 11.Nd2 Qe7 12.bc5 dc5 13.d5 h5 14.Nb5 Nf8? (better 14...Rd8+=) 15.d6+- Qd7 16.Nc7 Qd6 17.Ne8 (worse 17.Na8 Qb8 18.Nb6 ab6+-) 17...Ne8 18.Bg7 Ng7 (18...Kg7 19.Ne4 Qd1 20.Rfd1+-) 19.Ne4 Qe6 (19...Qe7 20.Qd5 Bf5 21.Bf3 (21.Nc5?! Rd8 22.Qb7 Qc5+/-) 21...Be4 22.Be4+-) 20.Nc5 Qe7 21.Qd5 Nf5 22.Bf3 Rb8 23.Rfd1 b6 24.Rab1 Bb7 (24...Nh4+-) 25.Nb7 Qg5 (25...Rc8 26.Be4 Rc7 27.c5+-) 26.e4 Nh4 (26...Rb7 27.Qb7 Nh4+-) 27.Qg5 Nf3 28.gf3 (28.gf3 Rb7 29.Rd8+-) 1-0. jhonores (2200) - Mrcoquito (2285), Rated Blitz game, lichess.org, 2020.

8.b5 a5 9.Nbd2 b6 10.0-0 Bb7 11.Bd3 Rc8 12.d5 e6 13.de6 fe6 14.Ng5 Qe7 15.Rb1 d5 16.Qc2 e5 17.f3 d4 18.ed4 ed4 19.Rfe1 Qd6 20.Re6 Qf4=+ 21.Nh3 Qc7 22.Re2 Rce8=+ 23.Re8 Re8 24.Ng5 Qe5 25.Nge4 Ne4 26.Ne4 Nf6 27.Re1 Qb8 28.Bc1 (28...Bc1 Ne4 29.fe4=+). Hasler,Ulrich – Krewal, corr ICCF/III86, 1990.

8.b5 Qc7 9.0-0 cd4 10.ed4 Nb6 11.Qb3 a6 12.a4 ab5 13.ab5 (worse is 13.Qb5 Bd7 14.Qb3 Na4–/+) 13...Ra1 14.Ba1 Be6 15.Nbd2 h6 16.d5 Bg4 17.Bd4 Nfd7 18.Bg7 Kg7 19.Qe3 Bf3 20.gf3 (20.Nf3!? Rc8 21.Qe7+=) 20...Nc5 21.f4 Qd7 22.Kh1 (22.f5 Qf5 (worse is 22...gf5 23.Kh1 Rg8 24.Rg1 Kh7 25.Rg8 Kg8 26.Qh6+=) 23.Qe7 Qf4+=) 22...Ra8 23.Rg1 Qf5 24.Bg4 Qd3 25.Qe7 Qd2 (25...Nc4!? 26.Be6 Rf8= (26...Qd2?? 27.Rg6 Kh8 28.Qf6 Kh7 29.Qg7#)) 26.Bf5= Qc3?? (26...g5 27.fg5 Nd5 28.gh6 Kh8 29.Qf7 Qh6 30.Qd5 Re8+-) 27.Rg6+- Kh8 28.Rg3 (28.Rh6!? Kg8 29.Rh3 Ra1 30.Kg2 Qh3 31.Bh3 Nc4+-) 28...Qa1 29.Kg2 Rg8 (29...Nc4 30.Qf7 Ne3 31.fe3 Ra2 32.Kh3 Qf1 33.Kg4 Qd1 34.Kh4 Rh2 35.Bh3 Rh3 36.Rh3 Qg1+-) 30.Qd6 Rg3 31.hg3 (31.hg3 Kg7 32.Qc5+- (worse is 32.Qb6 Qd4+-)) 1–0. Shrentzel,Israel (2295) – Georg,Michel (2170), Zuerich op–A, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 c5)

8.b5 cd4 9.ed4 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Bc3 Qa8 (13...Qc7 14.0-0=+) 14.0-0= b6 15.Nbd2 Bb7 16.Qc2 Re8 17.Qb2 (17.Ra1 Qc8=) 17...e5 18.de5 de5 19.Rd1 e4 (19...Qc8 20.h3 Qc7 21.c5 Qc5 22.Bb4=+) 20.Nd4 (20.Nh4 e3 21.fe3 Re3=) 20...e3 (better 20...Nc5 21.Ra1 Qc8=+) 21.N2f3? (better 21.fe3 Bg2 22.Ra1=+) 21...ef2-+ 22.Kf2 Nc5 23.Qa1? (23.Kg1-+) 23...Nfe4 (better 23...Ng4 24.Kg1 Qb8-+) 24.Kg1?? (24.Kf1 Nc3 25.Qc3-+) 24...Nc3 25.Qc3 Ne4 (better 25...Re2 26.Kh1 Bd4 27.Nd4 Ne4-+) 26.Qc2 h6 27.Bd3 Nc5 28.Re1?? (better 28.Bf1-/+) 28...Re1 (better 28...Bd4 29.Nd4 Re1 30.Bf1-+) 29.Ne1 Bd4 30.Kh1 (30.Kf1 Qb8 31.Qd2 Qh2 32.Bc2 Qg1 33.Ke2-+) 30...Nd3 31.Qd3 Bf2 (31...Bg2 32.Ng2 Qa1 33.Ne1 Qe1 34.Kg2 Qf2 35.Kh3 Be5 36.Qd2 Qf3 37.Kh4 Qh5) 32.Qe2 Be1 33.Qe1 Bg2 34.Kg1 Bh1 (34...Bh3 35.Kf2-+) 35.Qf2 (35.Qd2 Qa1 36.Kf2 Qf6 37.Ke2 Bg2 38.Qh6 Bf1 39.Kd1 Bc4-+) 35...Qf3 (35...Qa1!? 36.Qf1 Qf1 37.Kf1-+) 36.Qf3 (36.Qd2 Qh3-+) 36...Bf3 37.Kf2 Bd1 (37...Bg4 38.Ke3-+) 38.Ke3 (38.c5 Bb3 39.cb6-+) 38...Bb3 39.Kd4 (39.c5 bc5 40.Ke4 f5 41.Ke5 Bc4-+) 39...Ba4 (better 39...Bc4 40.Kc4 f5 41.Kd4-+) 40.Kd5 (40.c5 Bb5 41.cb6-+) 40...Bb3 41.Kc6?? (41.Kd4 Bc4 42.Kc4-+) 41...Bc4-+ 42.Kb6 f5 43.Kc5 Bd3 44.b6 Be4 (44...Ba6 45.Kd4-+) 45.Kd4 Bb7 (better 45...Bg2 46.h4 h5-+) 46.Kc5 (46.Ke5-+) 46...Kg7 47.Kd4 Kf6 48.Kc5 g5 (better 48...f4 49.h4 Ke5 50.Kc4-+) 49.Kd6 (49.Kd4 f4 50.Kd3-+) 49...f4 50.Kc7 Be4 51.b7 Bb7! 52.Kb7 f3 53.Kc6 f2 54.h3 f1Q 55.h4 (55.Kd7 Qh3 56.Kc6 Qd3 57.Kb6 g4 58.Kc6 Qe4 59.Kd7 g3 60.Kc7 g2 61.Kd6 g1Q 62.Kd7 Qc5 63.Kd8 Qee7) 55...Qh1 56.Kc5 (56.Kc7 g4 57.Kb8 g3 58.Kc7 g2 59.Kc6 g1Q 60.Kb5 Qd5 61.Ka6 Qgc5 62.h5 Qdc6) 56...Qh4 57.Kb5 (57.Kc6 Qa4 58.Kc7 Qa7 59.Kc6 Qb8 60.Kd5 Qf4 61.Kc5 Qe4 62.Kb6 g4 63.Kb5 g3 64.Ka6 g2 65.Kb6 g1Q 66.Kb5 Qgb1 67.Kc5 Qbb4) 57...Qf4 58.Kc5 (58.Kc6 g4 59.Kc5 g3 60.Kb6 g2 61.Kc5 g1Q 62.Kc6 Qe4 63.Kb5 Qgb1 64.Kc5 Qbb4) 58...Qe5 59.Kc4 (59.Kb4 g4 60.Kb3 g3 61.Kc4 g2 62.Kb3 Qb5 63.Kc2 g1Q 64.Kc3 Qe3 65.Kc2 Qbb3) 59...g4 60.Kd3 (60.Kb3 g3 61.Kb4 g2 62.Kb3 Qb5 63.Kc3 g1Q 64.Kc2 Qd4 65.Kc1 Qbb2) 60...g3 61.Kd2 (61.Kc4 g2 62.Kb4 g1Q 63.Kc4 Qec5 64.Kb3 Qgf2 65.Ka4 Qfc2) 61...g2 62.Kd3 (62.Kc2 Qd4 63.Kb3 g1Q 64.Ka2 Qc1 65.Kb3 Qcb2) 62...g1Q 63.Kd2 (63.Kc4 Qec5 64.Kb3 Qgf2 65.Ka4 Qfc2) 63...Qgg3 (63...Qec5 64.Kd3 Qge3) 64.Kc2 (64.Kd1 Qd3 65.Kc1 Qec3) 64...Qe2 65.Kc1 (65.Kb1 Qg1) 65…Qge1 (65...Qg1) 0-1. Bendega (1970) - TheLastEmperor2021 (2365), lichess.org, 2020.

8.a3 b6

9.0-0 Bb7 10.d5 b5 11.bc5 Nc5 12.cb5 Bd5 13.Nfd2 Qd7 14.Nc3 Bb7 15.Nb3 Nb3 16.Qb3 Rac8 17.a4 Rc5 18.a5 Rg5 19.f3 e5 (19...Qh3 20.Rf2=) 20.Kh1 e4 21.f4 Rc5 22.Ba3 (22.a6 Ba8+=) 22...Rc3 (22...Rc7!?=) 23.Qc3+= Nd5 24.Qb3 Ba1 25.Ra1 Rc8 26.Bb2 Qe6 (26...Qc7 27.Bd4 Qb8 28.b6 ab6 29.ab6+-) 27.Bc4 Qf5 28.Bd4 Nf6?? (better 28...a6+-) 29.Bf7+- Kf8 30.Be6 Bd5 (30...Rc3 31.Bc3 Bd5 32.Bd5 Qd5 33.Qd5 Nd5+-) 31.Bf5 Bb3 32.Bc8 (32.Bf6?! gf5 33.Bd4 Ra8+-) 32...Ng4 (32...Nd5 33.Ba7 Bc4 34.b6+-) 33.Bg4 1–0. Nasybullina,Dayana (1800) – Kalashnikova,El (1785), Sochi RUS (5), 2018.

9.0-0 e6 10.Nbd2 Bb7 11.Qc2 Rc8 12.Qb3 (12.bc5 dc5 13.a4 Re8=) 12...Qc7 (12...cd4 13.Nd4 Qe7 14.a4=) 13.Rfe1 Rfe8 14.dc5 (14.Rac1 e5 15.d5 e4=) 14...dc5 15.Red1 (15.Rad1 e5+=) 15...Rcd8 (15...e5 16.e4+=) 16.Rac1 (16.Bd3 e5 17.e4 Re6=) 16...e5 17.Nb1 e4 18.Nfd2 (18.Ng5 Ne5 19.bc5 Nd3 20.cb6 ab6 (20...Qb6?! 21.Qb6 ab6 22.Bd3 Rd3 23.Rd3 ed3 24.Rd1+=) 21.Bd3 Rd3–/+) 18...Ne5 19.Nf1 (19.Be5 Qe5 20.Nc3 Bc6–/+) 19...h5 (19...Nd3 20.Bd3 Rd3 21.Rd3 ed3 22.Qd3–/+) 20.Nc3 (20.Be5 Qe5 21.Nc3 h4–/+) 20...Qc6 (20...Nd3 21.Rc2–/+) 21.b5–/+ Qe6 22.Nb1 Qf5 23.Ng3–/+ Qg5?? 24.Be5?? Qe5–/+ 25.Qc3 Qg5–+ 26.Qc2 h4 27.Nh1 Nd7 28.Nc3 Bc3 29.Qc3 Ne5 30.Kf1 Nd3! 31.Rc2 Rd6 32.Kg1 Red8 33.Rcd2 f5 34.g3? f4 35.Bd3 fe3 36.fe3 Qe3 37.Nf2 ed3 38.Rd3+= Rd3 39.Rd3 Rd3 40.Qd3 Qc1 41.Nd1= Qg5 42.Kf2 hg3 43.hg3 Kf7 44.Ne3 Ke6 45.Ng2= Qf5 46.Nf4 Kf7 47.Qd1 g5–/+ 48.Qh5 Kg7 49.Qe8? gf4–+ 50.Qe7 Qf7 51.Qg5 Kh7 52.Qh4 Kg6 53.Qg4 Kf6 54.gf4 Qg7 55.Qh4 Kf5 56.Ke3 Qd4 57.Ke2 Qc4 58.Ke1 Qe4 59.Kd1 Qd3 60.Ke1 Qe3 61.Kd1 Bf3 62.Kc2 Qe4 63.Kb2 Qd4 64.Kc2 Be4 65.Kc1 Qc3 66.Kd1 Bf3# 0–1. Kriegenhofer,Ludwig – Schmidt,J, Oberpfalz–ch M1, 1997.

8.b5 a6

9.a4 ab5 10.ab5 Ra1 11.Ba1 Nb6 12.0-0 Qc7 13.dc5 Qc5 14.Bd4 Qc7 15.Nbd2 Be6 16.Qb3 Ra8 17.Rc1 h6 18.Qc2 Nbd7 19.Nb3 Rc8 20.Bb2 Bf5 21.Qd1 Nc5 22.Nfd4 Nb3 23.Qb3 Bg4 24.Bd3 Nd7 25.Qc2 Ne5 26.Bf1 Qb6 27.Qb1 Bd7 28.h3 Be8 29.Qa1 Nd7 30.Nf5 gf5 31.Bg7+/– Kh7 32.Bd4 Nc5 33.Qb1 Bd7 34.Bd3 e6 35.g4 Qd8 36.Bc2 Qg5 37.Kh2 Qh4 38.Rg1 Rg8 39.Rg3+/– e5? 40.Bf5+- Bf5 41.Qf5 Rg6 42.Qf7 Rg7 43.Qf5 Rg6 44.Bc5 dc5 45.Qe5 b6 46.Rf3 Qd8 47.Rf7 Kg8 48.Rb7 Rg5 49.Rb8 Re5+- 50.Rd8 Kg7 51.Rd7 Kf6 52.Rd6 Re6 53.Re6 Ke6 54.f4 (54.f4 Ke7 55.Kg3+-) 1–0. Osmak,Yulia – Smelova,Anastasia, UKR–ch U12 Girls, 2009.

9.a4 ab5 10.ab5 Ra1 11.Ba1 Ne4 12.0-0 Nb6 (12...cd4 13.Bd4 e5 14.Bb2=) 13.Bd3 (13.Nbd2 Nd2 14.Qd2 cd4 15.Bd4 e5 16.Bb6 Qb6+=) 13...f5 (13...Nf6 14.Qe2+=) 14.Qc2 (14.Nbd2 cd4 15.ed4 Qc7+=) 14...Qc7 15.Nbd2 (15.Na3 Nf6+=) 15...Nd2= 16.Nd2 e5 Black prepares the advance f4 (16...cd4 17.ed4 e5 18.de5 de5 19.c5=) 17.d5 Bd7 (17...f4 18.e4+=) 18.e4 (18.f4 e4 19.Bg7 Kg7 20.Qc3 Kg8=) 18...f4 (18...fe4 19.Ne4 Bf5 20.Ng5=) 19.Bc3 Ra8 20.Nb3 (20.Ra1 Ra1 21.Ba1 Qd8+=) 20...Nc8 (20...f3 21.gf3 Qd8 22.Bd2=) 21.Be2+= b6 (21...Na7 22.Rb1+=) 22.Ra1 Ra1 (22...Na7 23.Qd1+-) 23.Na1+- Qa7 (23...Qd8 24.Qd2+=) 24.Nb3+= Bf6 (24...Qa4 25.Bd2+=) 25.h3 (25.Bd1 Ne7+-) 25...Qa4 26.Qd1 (26.Bd2 Na7+=) 26...Ne7 (26...f3 A) worse 27.Bf3 Qc4 28.Bg4 A1) 28...Qc3?! 29.Bd7 Na7 30.Nd2+=; A2) worse 28...Bb5 29.Qf3 Kg7 30.Nd2+- (30.Bc8 Qb3 31.Bg4 Qb1 32.Kh2 Qd3–+); A3) 28...Qb5=+; B) 27.gf3 Bg5 28.h4 Bh4 29.f4 ef4 30.Bg4+-) 27.Kh2 (27.Bd2 Bh4+=) 27...Kf7 (27...f3 28.gf3 (worse 28.Bf3 Qc4 29.Bd2 Bb5–/+) 28...Bg5 29.Kg2+=) 28.Qc2 Nc8 (28...f3 29.gf3 Bg5 30.Kg2+=) 29.Qb2 Ne7 (29...Bh4 30.Be1+=) 30.Nd2+- Qa8 31.Nf3 (31.Qc2 Kg8+-) 31...Qb8 (31...Kg8 32.Qc2+=) 32.Ne1+- Qa7 (32...Qf8 33.Nd3+-) 33.Nd3 Qb8 (better 33...Bg5!?+-) 34.Nf4!+- Qh8 (34...ef4 35.Bf6 Pinning (35.Bf6 Deflection)) 35.Nd3 g5 36.Bh5 (36.Qd2 Ng6+-) 36...Ng6 (36...Kg7 37.Qc1+-) 37.Qa1 (37.Qe2 Kg7+-) 37...Qb8 38.g3 Kg7 (38...Qd8 39.Qa7 Kg7 40.Ba5+-) 39.Bg4 (better 39.f4+-) 39...Bg4+- 40.hg4 Nf8 41.Ne1 Qc8 (41...Ng6 42.Nc2+-) 42.f3 (42.Qa7 Nd7+-) 42...Nd7 (42...Qd8 43.Qa7 Kg8 44.Nd3+-) 43.Nc2 Qc7 (43...Kg8 44.Qa7+-) 44.Ne3 (44.Qa8 Nb8+-) 44...Kg6 (44...Kg8 45.Qa8 Nb8 46.Nf5+-) 45.Kg2 Nf8 (45...Kf7 46.Nf5+-) 46.Qa8 Be7 (46...Kf7 47.Nf5 Be7 48.f4 gf4 49.gf4+-) 47.Nf5 (better 47.Qe8 Kf6 48.Nf5 Qd8+-) 47...Kf7 48.Nh6 (48.f4 gf4 49.gf4 Ng6 50.fe5 de5+-) 48...Kg6 (48...Kg7 49.Qc6 Qa7 50.Nf5 Kf7+-) 49.Nf5 Kf7 50.Bd2 Ng6 51.Qc6 Qd8 52.Qb7 Kf8 53.Nh6 (53.Ne7 Qe7 54.Qe7 Ke7 55.Bg5 Ke8+-) 53...Ke8 (53...Nh8 54.Bc1+-) 54.Bg5 Qd7 55.Qb8 Qd8 56.Qb7 Qd7 57.Qd7 (57.Qa8 Qd8 58.Qd8 Bd8+-) 57...Kd7 58.Be7 Ne7 59.Nf5 Nc8 (59...Ng6 60.Kf2+-) 60.Kh3 Ke8 61.Kh4 Kf7 62.Kg5 (62.Kg5 Na7 63.Nd6 Ke7 64.Nf5 Kf8 65.Kh6 Nb5 66.cb5 c4 67.Kh7 Kf7 68.g5 Ke8 69.g6 Kf8 70.g7 Ke8 71.g8Q Kd7 72.Qe6 Kc7 73.Qe7 Kb8 74.Nd6 c3 75.Qb7) 1–0. Parals Marce,Luis (2015) – Guix Torres,David (2040), 18. Miquel Mas Open, 2017. (=1.d4 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.Be2 Nbd7 7.c4 c5 8.b5 a6)

9.Nc3 ab5 10.Nb5 cd4 11.ed4 Nb6+=.

9.Nc3 cd4 10.ed4 Nh5 11.Qd2 ab5 12.cb5 Nb6 13.a4 e5 14.a5 Nd7 15.b6 Nf4 16.0-0 Ne2 17.Ne2 ed4 18.Bd4 Ne5 19.Qc3 Nf3 (better is 19...Bg4!?+=) 20.Qf3+= d5 (20...Bd4!? 21.Nd4 Qg5+=) 21.Bg7+/– Kg7 22.Rfd1 Be6 23.Nc3 Re8 24.Nd5 (better is 24.h3!?+/–) 24...Bd5+= 25.Rd5 Qf6 (better is 25...Qb6! 26.h3 Qb4+=) 26.Qf6+/– Kf6 27.Kf1 Re5 28.Rd6 Ke7 29.Rad1 Rea5 30.Rd7 Kf6 31.Rb7 Ra1 32.Rbd7 R8a6?? (32...Ke6 33.R7d6 Ke7+=) 33.Ra1 (better is 33.b7 Rd1 34.Rd1+-) 33...Ra1 34.Ke2 Rb1 35.b7 Ke6 36.Rc7 h6 37.Kd3 Rb2 38.Kc3 Rb1 39.Kc4 Rb2 40.Kc5 h5 41.Rc6 Kd7 42.Rb6 (42.Rb6 Rc2 43.Kd4+-) 1–0. Tereschenko,Artem – Mikhailenko,Ivan, Evpatoria U18 4th, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Be2 c5 8.b5 a6)

9.Nc3 e5 10.de5 de5 11.0-0 Re8 12.Qc2 Nb6 (12...e4 13.Nd2=) 13.ba6 ba6 14.Rfd1 Qc7 15.e4 Bg4 16.Nd5 Nfd5 17.cd5 Bf8 18.h3 Bd7 19.a4 f5 20.d6 Bd6 21.a5 Nc8 22.Ba6 Kg7 (22...fe4 23.Ng5 Kg7 24.Bc8 Bc8 25.Ne4+/–) 23.Bc4+/– Ra5 24.Ra5 Qa5 25.Ne5! Be5 (25...Be5 26.Rd5 Double attack (26.Rd7 Pinning; 26.Rd7 Deflection; 26.Rd5 Decoy); 25...Re5 26.Be5 Double attack (26.Bc3 Decoy)) 26.Rd7 Kh8 (26...Kh6 27.Qc1 g5+-) 27.Qc1 (27.ef5 Nb6 28.Be5 Re5 29.Rd8 Kg7 30.Rg8 Kf6 31.fg6 Qe1 32.Kh2 h6 33.Rf8 Kg7 34.Rf7 Kg8 35.Re7 Kf8 36.g7 Ke7+-) 27...f4 (27...Nb6 28.Rd8!! Kg7 29.Re8 Nc4 30.Be5 (30.Qc4?! Qe1 31.Qf1 Qf1 32.Kf1 Bb2+-) 30...Kf7 31.Rc8 Ne5 32.Rc5+-) 28.Be5 Re5 29.Qf4 1–0. marekt – Nanayaw, ChessWorld.net, 2015.

9.Nbd2 cd4–/+ 10.ed4 ab5 11.cb5 Nb6 12.a4 Nbd5 13.0-0 b6 ½–½. Sokolski,Alexei – Bannik,A, corr USSR, 1963.

8.b5 b6

9.0-0 Bb7 10.Nbd2 Rc8 11.Qb3 Ne4 12.a4 e5 13.d5 Nd2 14.Nd2 f5 15.a5 Nf6 16.ab6 ab6 17.Ra7 Qc7 18.Rfa1 Ra8 19.R1a4 Ra7 20.Ra7 Ra8 21.Qa2 Ra7 22.Qa7 Nd7 23.Bc1 Qb8 24.Qa4 Qa8 25.Qa8 Ba8 26.e4 Bb7 27.Nf3 (27.ef5 gf5 28.g4+=) 27...h6 (better is 27...fe4!? 28.Nd2 Nf6=) 28.Nh4 fe4 29.Ng6 Kf7 (29...Nf6!?+/–) 30.Nh4+- Nf8? (better is 30...Bf8+-) 31.Nf5 Bc8 (31...Kg6 32.Nd6 Ba8+-) 32.Nd6 (32.Nd6 Kg6 33.Nc8+-) 1–0. Toll,Anatoly – Roman Alvarez,Roman Carlos, Dos Hermanas Internet qual–D, 2009.

9.0-0 Bb7 10.d5 a6 11.ba6 Ba6 12.Na3 (12.Nc3 Qc7+=) 12...Qc7= 13.Qd3 Ne8 (13...e6 14.de6 fe6 15.Ng5=) 14.Bg7+= Ng7 15.Rfb1 Bc8 16.g4 (16.Nb5 Qd8+/-) 16...Nb8 17.Nb5 Qb7 18.Nd2 f5 19.g5 Nd7 20.f4 Ne8 21.a3 Nc7 22.Bf3 Nb5 23.Rb5 Ra5 24.Ra5 ba5 25.Rb1 Qa7 26.Qb3 Ba6 27.Qa4 Bc8 (better 27...Qc7!?+/-) 28.Rb5+- 1-0. Anarchist_Air_Nomad (2080) - THExYildiz (1745), Rated Classical game, lichess.org, 2015.

8.b5 Re8

9.0-0 e5 10.Nc3 e4 11.Nd2 Nf8 (11...cd4 12.ed4 Bh6 13.Bc1=) 12.Nb3 (12.dc5 dc5 13.Qc2 Bf5+=) 12...Qc7 13.a4 Bf5 (13...cd4 14.Qd4 Ne6 15.Qd2+=) 14.a5 (14.g4 Be6+=) 14...Qc8 15.Na4 (15.h3 h5+=) 15...cd4 16.Nd4 Bg4 17.b6 (17.a6!? ba6 18.Nc3 ab5 19.Ndb5 (worse is 19.cb5 Be2 20.Nce2 Qd7=) 19...Be2 20.Qe2+=) 17...a6= 18.Ba3 (18.h3 Be2 19.Qe2 Ne6=) 18...Be2 19.Qe2 Qd7 20.Bb4 Ne6 21.Nc3 (21.Rfd1 Nh5 22.Bc3 Rac8+=) 21...Nc5 22.Rad1+= Rac8 23.Nc2 Re5 24.f4 Rh5 25.Nd5? Nd5–+ 26.Rd5? Rd5 27.cd5 Nd3 28.Ba3 Qa4 29.Bd6 Rc2 30.Qg4 f5 31.Qg5 Qd7 32.Be7 h6 33.Qh4 g5 34.fg5 Qe7 35.Rf5 Rc1 36.Rf1 Rf1 37.Kf1 hg5 (37...hg5 38.Qh7 Kh7 39.Kg1 Qc5 40.h4 Qe3 41.Kh1 Nf2 42.Kg1 Ng4 43.Kf1 Qf2#) 0–1. Jamieson,Ian (2010) – Hall,Daniel J (2055), Ch West of England, 2006.

9.dc5 Nc5 10.0-0 b6 (10...Qa5 11.Bc3 Qc7 12.Nbd2=+) 11.Nd4 (11.Nc3 a6=) 11...Bb7 12.Nc3 (12.Bf3 Qc7=) 12...Qc7 13.Qc2 (13.Rb1 Rec8=) 13...Rac8 (13...Rec8 14.Nb3=+) 14.Rfd1= d5 (14...Red8 15.Nf3=) 15.Nc6 (15.cd5 Nd5 16.Nd5 Bd5=) 15...Bc6= 16.bc6 Qc6 17.cd5 Qb7 (17...Qd6 18.Rac1=) 18.Rac1 Nce4 (18...Red8 19.Rd4=) 19.Qa4 (19.Bb5 Nc3 20.Bc3 Nd5 21.Be8 Nc3+=) 19...Nc3 (19...Nc5 20.Qb4+=) 20.Bc3 Qb8 (20...Nd5 21.Bg7 Kg7 22.Rc8 Rc8 23.Ba6+-) 21.Bf6 (21.Ba6 Rc5+=) 21...Rc1 22.Rc1 Bf6 23.g3 (23.Bb5 Rd8 24.Bc6 Qc7=) 23...Be5 (23...Rd8 24.Bf3=) 24.Rc6 (24.Qd7 Bd6+=) 24...Bd6 (24...Rd8 25.e4+=) 25.Kg2 (25.a3 Rd8=) 25...Bc5 (25...Rd8 26.f4+=) 26.Qe4 (26.Ba6 Rd8+=) 26...Rc8 27.Bd3 (27.Bb5 Rc6 28.Bc6 Qd6+=) 27...Rd8 (27...Rc6 28.dc6 Qc7 29.Ba6+=) 28.a4 (28.Ba6 Bd6+=) 28...a5 (28...Rc8 29.Rc8 Qc8 30.Bb5=) 29.h4 (29.Bc4 Rc8+=) 29...Rd6 30.h5 Qf8 (30...Qd8 31.hg6 hg6 32.Qg4+=) 31.Bc4 f5 (31...Qd8 32.Qe5+=) 32.Qh4 (32.Qe5 Kf7 33.Rc7+-) 32...Qf6 (32...Qd8!?+-) 33.Qf6+- Rf6? (better 33...ef6 34.h6 g5+-) 34.d6 (34.d6 e6 35.d7+-) 1–0. michaelbuss (2790) – JohnTex (2245), ChessWorld.net, 2012.

8.bc5 dc5

9.0-0 b6 10.Nc3 Bb7 11.Qd2 (11.d5 Ne4 12.Qc2 Nd6+=) 11...Rc8 (11...cd4 12.ed4 Rc8 13.Qg5=) 12.d5+- a6 13.Rad1 Qc7 14.h3 Rfd8 15.Rfe1 Ne8 16.Ne4 Nd6 17.Bg7 Kg7 18.Qb2 Kg8 19.Nc3 Rb8 (19...Nf6 20.Bd3 b5 21.cb5+=) 20.a4 Nf6 21.Qc2 Nfe8 (21...Re8!?+=) 22.e4+- f6 23.e5 Nf7 24.ef6 ef6 25.Bd3 Nfd6 26.Qd2 Ng7 27.Re2 Re8 28.Rde1 Qd7 (28...Re2 29.Re2 Rd8 30.Re1+-) 29.Nh2 (29.Re8!? Nge8 30.Re6+-) 29...Re2+- 30.Re2 Re8 31.Ng4 Nh5 32.Qb2 Re2 33.Ne2 Qd8 34.Ng3 (34.Ne3!?+-) 34...Ng3= 35.fg3 Kg7 36.Ne3 Qe7 37.Kf2 Qc7 38.g4 Nf7 39.g3 Bc8 40.h4 Ne5 41.Be2 h6 (41...Bd7 42.Qb3=) 42.Qd2 Bd7 43.Qd1 Qc8 44.Qb3 Ng4? (better 44...Bg4!? 45.Qb6 Be2 46.Qa7 Kg8 47.Ke2 Qh3 48.Qc5 Qg3 49.Qc8 Kf7 50.Qb7 Kf8 51.Qb4 Kf7 52.Qb7 Kf8 53.Qb4 Kf7 54.Qb7=) 45.Bg4+- Bg4 46.Qb6 Bd7 47.a5 g5 48.Qd6 Be8? (better 48...Kf7+-) 49.Qe7 Kg6 (49...Kg8+-) 50.h5! Kh5 51.Qf6 g4 (51...Qd7 52.g4 Qg4 53.Ng4 Kg4 54.Qf3 Kh4 55.Qh1 Kg4 56.Qe4 Kh5 57.Qe8 Kh4 58.Qe6 h5 59.Kg2 g4 60.Qf6) 52.Ng2 (52.Ng2 Qe6 53.Nf4) 1–0. Simonyi,Zoltan (2185) – Bernath,Robert (2085), 21. Battle of Senta Open, 2017. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 Nbd7 7.Be2 c5 8.bc5 dc5)

9.0-0 Qc7 10.Nbd2 b6 (10...cd4 11.ed4 e5 12.Ne5 Ne5 13.de5=) 11.Qc2 Bb7 12.a4 e6 13.h3 Rfd8 (13...cd4 14.ed4 Nh5 15.Rfe1=) 14.Rfd1 (14.a5 cd4 15.ab6 ab6 16.ed4 Nd5=) 14...Nb8 (14...cd4 15.ed4 Nh5 16.Bc3=) 15.Bc3 Nc6 (15...cd4 16.ed4 Nc6 17.Rab1=) 16.Qb2 (16.dc5 bc5 17.Qb2 Qe7+/–) 16...Ne8 (16...cd4 17.Nd4 Nd4 18.ed4=) 17.Rab1 (17.dc5 Bc3 18.Qc3 bc5 19.Nb3+=) 17...Rab8 (17...cd4 18.ed4 Rab8 19.Re1=) 18.Nb3 (better is 18.dc5 Bc3 19.cb6 ab6 20.Qc3+/–) 18...cd4= 19.ed4 Ba8 (better is 19...Nd6!?+=) 20.Rbc1 (20.d5 ed5 21.cd5 Ne7=) 20...Qe7 21.Nbd2 h6 22.Nf1 Kh7 23.Ne3+/– Rd7 24.h4 Rbd8 25.h5 gh5 26.Nf1 Nb8 27.Ng3+- Nf6 28.Ne5 Rc7 29.Bh5?? Nh5= 30.Nh5 Qg5 31.Ng3 Be5 32.de5 Rd1 33.Rd1 Rc4 34.Bd2 Qe7 35.Qb1 Kg8 36.Nh5 Be4?? 37.Nf6 Qf6!–+ 38.ef6 Bb1 39.Rb1 Ra4 40.Bh6 Kh7 41.Bg7 Kg6 42.Rd1 Nc6 43.g3 b5 44.Kg2 a5 45.Rh1 Rb4 46.Rh6–/+ Kf5 47.Rh5 Ke4 48.Bf8 Rb2 49.Rc5 Ne5 50.Rc3 a4 51.Bd6 Kd5 52.Be7 b4 53.Re3 Ng4 54.Re1 Nf2 55.Kf3 Nd3 56.Rd1 Kc4 57.g4 a3 58.Bb4 Rb4 59.g5 a2 60.Ra1 Rb2 61.Ke4 Kb3 62.g6 fg6 63.f7 Rf2 64.Kd3 Rf7 65.Rg1 Rf2 66.Kd4 Kb2 67.Ke3 Rh2 68.Rg5 a1Q 69.Rb5 Kc1 70.Rc5 Rc2 71.Rb5 Qc3 72.Ke4 Re2 73.Kf4 Qd4 74.Kf3 Qf2 75.Kg4 Qg2 (75...Qg2 76.Kh4 Re4#) 0–1. Sebald,Ralph – Koelln,Rasmus, GER–chT U15 Bonn, 1996.

9.Nbd2 Qc7 10.0-0 b6 11.Qb3 e6 12.Rfd1 Bb7 13.a4 a5 (13...Rfd8 14.g3=) 14.Rac1 Rfd8 15.Nb1 (15.g3 Bc6+=) 15...cd4 16.ed4 Bh6 17.Rc2 Be4 18.Rc3 Bf5 (18...e5 19.Ne5 Ne5 20.de5 Rd1 21.Qd1+=) 19.Bc1 (19.Na3 Ne4 20.Nb5 Qb8+=) 19...Bf8 20.Bg5 Rdc8 21.Rcc1 Ne4 22.Be3 Bb4 (22...e5 23.Nc3 Nc3 24.Qc3+=) 23.Na3+= Qb7 (23...e5!?+=) 24.Nb5+/– Rd8 (24...Be7 25.h3 g5 26.Bd3+/–) 25.Bf4 (25.Nh4!? Be7 26.Nf5 ef5+-) 25...Rac8 26.h3 h5 27.Qe3 Ndf6 (27...Re8 28.Bd3 f6 29.g4 hg4 30.hg4+/–) 28.Be5 (28.Ne5!? h4+-) 28...Nd7+/– 29.Bf4 Ndf6 30.Ne5 Nd6 (30...h4+-) 31.Bg5 Kg7 (31...Nde4 32.Bf3 Kg7 33.g4 hg4 34.hg4+-) 32.Bf3 Qa6 (32...Qe7+-) 33.g4 hg4 34.hg4 Rh8 35.Nd6 Bd6 36.Bf6 (36.gf5 gf5 37.Kg2 Rhg8+-) 36...Kf6 37.gf5 gf5 38.Kf1 Be5 (38...Rcg8+-) 39.Qe5 Ke7 40.Qb5 White prepares the advance c5 (40.d5 Rhd8 41.d6 Ke8 42.Qh8 Kd7 43.Qf6 Rc4 44.Qe7 Kc8 45.Ke1 Rd7 46.Qf8 Rd8 47.Rc4 Qc4 48.d7 Kb8 49.Qd8 Qc8 50.dc8Q Ka7 51.Rd7) 40...Qa7 (40...Qb5 41.ab5 Rc7 42.c5+-) 41.c5 (better is 41.d5!? Rh4+-) 41...bc5 42.Rc5 Rb8 43.Qa5 (43.Qa5 Qa5 44.Ra5+-) 1–0. Herath,N N B (1740) – Egyed,J (1910), World Youth U16 Olympiad, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 Nbd7 7.Be2 c5 8.bc5 dc5)

9.d5 Nb6 10.a4 Bd7 11.a5 (11.Qb3 a5 12.0-0 Bf5 13.Rd1 Re8 14.Bd3 Bd3 15.Rd3 Ra6 16.Nbd2 Nc8 17.Qa3+/– 0.72) 11...Nc8 12.0-0 e6 (12...Nd6 13.Be5= Bg4 14.Nbd2 Qd7 15.h3 Bf3 16.Nf3 Rad8 17.Qc2+= 0.47) 13.de6 (13.Qc1 Nd6+= 14.Nc3 Qe7 15.Bd3 ed5 16.Nd5 Nd5 17.Bg7+= 0.34) 13...Be6 (13...fe6 14.Ne5 Qc7 15.Bf3 Rb8 16.Qd2 Bc6 17.Nc6+= 0.41) 14.Qb3 Qc7 (14...Qe7 15.Rd1+= Nd6 16.Nc3 Rfd8 17.Nd5+= 0.28) 15.Be5 Qe7 (15...Nd6 16.Nc3 Nfe4 17.Nb5+= 0.50) 16.Rd1 (16.Nc3 Bg4 17.Rad1+= 0.63) 16...Bg4 (16...Re8 17.Nc3+= 0.63) 17.Bf6 (17.Qb2 Re8+=) 17...Bf6 (17...Qf6 A) worse is 18.Qb7 Nd6 (18...Qa1?! 19.Qa8 Qa5 20.Nbd2=) 19.Qc6 Qa1 20.Qd6 Qa5–+; B) 18.Ra3=) 18.Nc3+= Bg7 (18...Bc3 19.Qc3 Nd6 20.Rd5+=) 19.Nd5 Qe4 (better is 19...Qd8 20.a6 b6+=) 20.Ra2 Rb8 (20...f5 21.Bd3 Qe8 22.Nc7+-) 21.Nd2 Qe6 22.f3 Bf5 23.g4 Be5 24.gf5 Qf5 25.f4 Bg7 26.e4 Qd7 27.Qg3 Ne7 28.Ne7 Qe7 29.e5 Rfd8 30.Ne4 Rd1 31.Bd1 Qe6 32.Nd6 Bf8 33.Bg4 Qe7 34.Rd2 Rd8 35.Ne4 Qc7 36.Rd8 Qd8 37.Qc3 Qh4 38.Nf6 Kh8 39.Qg3 Qh6 40.Qh3 Qh3 41.Bh3 Be7 42.Nd5 Bd8 43.Bc8 b6 44.ab6 ab6 45.Kf2 Kg7 46.Ke3 g5 47.fg5 Bg5 48.Ke4 Bd8 49.Kf5 h6 50.Ba6 Kf8 51.Bb5 1–0. Goodhue,Nathan – Zhang,Michael, Open, Auckland NZL, 2003. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 d6 5.Bb2 Nbd7 6.e3 0-0 7.Be2 c5)

9.d5 Nb6 10.Qc2 a6 (10...Bf5 11.Qb3=+) 11.Nc3 (11.e4 Bd7+=) 11...e6 (11...Bf5 12.Qb3=) 12.Ba3 (12.Rd1 ed5 13.Nd5 Nbd5 14.cd5 b6+=) 12...ed5= 13.Bc5 Nc4 (13...Bf5!? 14.Qc1 Re8=+) 14.Bf8+= Qf8 15.0-0 b5 16.Rad1 Exerts pressure on the isolated pawn (16.Rac1 Be6+=) 16...Bb7 (16...Bf5 17.Qc1=) 17.Nd4 (17.a4 Qc5 18.ab5 ab5+=) 17...Rc8= 18.Qb3 Na5 19.Qb2 Qd8 (19...Nc4 20.Bc4 dc4 21.Rb1=) 20.Bf3 (20.a4 Qc7 21.ab5 Qc3 22.Qc3 Rc3 23.ba6 Ba8+/-) 20...Qe8 (20...Nc4 21.Qe2=) 21.Rc1+= Ne4 22.Ne4 de4 23.Be2 Nc4?? (better 23...Nc6=) 24.Qb3 (better 24.Bc4 Be5 25.a4 Rc4 26.Rc4 bc4 27.Qb7 Bd4 28.ed4 Qa4 29.Qe4+-) 24...Bd5?? (better 24...Nd2 25.Rc8 Qc8-+) 25.Qd1 (25.Rfd1 Qd7+=) 25...Rd8 26.Bc4 (26.Qc2 Bf8=) 26...Bc4 27.Re1 f5 28.Qc2 (28.Qd2 Rd6=) 28...Bd3 (28...Bd4 29.ed4 Rd4 30.a3=+) 29.Qb3 (29.Qc3 Bc4=) 29...Bc4 30.Rc4 bc4 31.Qc4 Kh8 32.Ne6 (32.Qa6 Ra8 33.Qe2=) 32...Rc8 (32...Rd6 33.Ng7 Kg7 34.Rc1=) 33.Qb3 (33.Ng7!? Kg7 34.Qa6+/-) 33...Qf7 (33...Qb5 34.Qa3=) 34.Ng7 (34.Qb6 Ra8+=) 34...Kg7 (34...Qb3!? 35.ab3 Kg7=+) 35.Qb2 Qf6?? (better 35...Kg8=) 36.Qb7+- Kh6 (36...Qf7 37.Qc8 a5 38.Rd1 Qa2 39.Rd7 Qf7 40.Qc3 Kg8 41.Rd8 Qf8 42.Rf8 Kf8 43.Qh8 Ke7 44.Qh7 Kf6 45.Qg8+-) 37.Qc8 a5 (37...Qd6 38.Rc1+-) 38.Qc1 a4 39.f3 (39.Qc4 a3+-) 39...ef3 40.gf3 Qg5 41.Kf2 Qh4 42.Ke2 (better 42.Kg2 Qg5 43.Kf1 Qh4 44.e4 f4+-) 42...Qh2 43.Kd3 Qd6 44.Ke2 (44.Kc4 Qc6 45.Kb4 Qf3 46.Rh1 Kg5 47.e4 Kf6 48.e5 Ke5 49.Qc5 Kf4 50.Qc7 Ke3 51.Qc3 Ke4 52.Re1 Kf4 53.Qd2 Kg4 54.Rg1 Qg3 55.Qe2 Kh4 56.Qe7 Kh3 57.Rg3 Kg3 58.Qh7 f4 59.Qg6 Kf2+-) 44...Qh2 45.Kd1 Qd6 (45...Qa2 46.Rh1 Kg5 47.e4 Kf6 48.Qc3 Kg5 49.Qe3 f4 50.Qc5 Kf6 51.e5 Kf7 52.Rh7 Kg8 53.Rb7 Qa1 54.Kd2 Qa2 55.Kd3 Qb3 56.Rb3 ab3 57.e6 Kg7 58.Qe5 Kh7 59.e7 b2 60.Qb2 Kh6 61.Qh8 Kg5 62.e8Q Kf5 63.Qhe5) 46.Qd2 Qe5 (46...Qd2 47.Kd2 g5 48.e4+-) 47.e4 f4 48.Rh1 (48.Rh1 Kg7 49.Rh2+-) 1-0. ClayPigeons (2105) - yetanotherloser (2045), Rated Bullet game, lichess.org, 2021.

9.d5 Nb6 10.Nbd2 e6 11.e4 ed5 12.ed5 Re8 13.0-0 Bf5 14.Re1 Ne4 15.Bg7 Kg7 16.Ne4 Re4 17.Qb3 Qf6 18.Bd3 Rf4 19.Bf5 Qf5 20.Rac1 g5 21.Re2 g4 22.Nh4 Qf6+= 23.g3 Rd4 24.a4 Qg5 25.Ree1 Rb8 26.Qb5 Rd2 27.a5 Nc8? 28.Qc5 b6 29.Qb4 Ra2 30.Qc3 Kh6?? 31.Re5 Qd2 32.Qd2 Rd2 33.ab6 Nb6 34.Nf5 Kg6 35.Ne3 Rc8 36.c5 Nd7 37.Re4 Rc5 38.Rg4 Kf6 39.Rf4 Kg6 40.Ra1 a5 41.Rb1 Rc7 42.h4 f6 43.Rb5 Rc1 44.Kg2 Re1 45.Nc4 Rd3 46.Ra5 Red1 47.Ra7 Rd5 48.Ne3 R1d4 49.Nd5 Rd5 50.Rg4 Kf7 51.Rc4 Ke6 52.Rc6 Ke7 53.g4 1–0. Ree,Hans (2455) – Riemersma,Liafbern (2420), Rotterdam k.o., 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 c5)

9.d5 Rb8 10.0-0 a6 11.a4 Nb6 12.a5 Nbd7 13.Nc3 b5 (13...Ne4! 14.Qc2 Nd6+=) 14.cb5+/- Nb6?? (better 14...Bb7+/-) 15.ab6+- Qb6 (15...ab5 16.Nb5 Qd5 17.Qd5 Nd5 18.Bg7 Kg7 19.Rfc1+-) 16.Rb1 (better 16.Na4 Qa7 17.Ne5 Bd7 18.Nd7 Nd7 19.Bg7 Kg7 20.ba6 Rfc8+-) 16...ab5 17.Nb5 (17.Bb5 Rd8+-) 17...Qd8 (17...Bf5 18.Rc1+-) 18.d6 (18.Na7 Qd6 19.Nc6 Rb7+-) 18...ed6 (18...Bf5 19.Bf6 Bf6 20.Rc1+-) 19.Nd6 Bg4 20.Bf6 (20.Be5 Rb1 21.Qb1 Qe7+-) 20...Bf6 (20...Rb1 21.Qb1 Qf6 22.Rd1+-) 21.Ne4 (21.Rb8 Qb8 22.Ne4 Be5+-) 21...Qd1 22.Rfd1 Bg7 (22...Be7 23.Rbc1 Rb2 24.h3+-) 23.Nc5 Rb5 (23...Rb1 24.Rb1 Rc8+-) 24.Bb5 (24.Rb5 h6+-) 24...Rc8 (24...h6 25.Bd7 Bf3 26.gf3+-) 25.Nd7 (25.Bd7 Bd7 26.Nd7 h6+-) 25...Bf5 (25...Bf3 26.gf3 h6 27.f4+-) 26.Rbc1 Rd8 27.Nc5 Bf6 (27...Rb8 28.Bd7 Bb2 29.Rc4+-) 28.Rd8 Bd8 29.e4 Bc8 30.Nd7 (better 30.Ra1!? Bb6 31.Ra8 Bc5 32.Rc8 Bf8+-) 30...Bd7 31.Bd7 Bf6 (31...Kg7 32.Rb1+-) 32.Rc8 Kg7 33.e5 Bg5 34.e6 (better 34.Ng5 h6 35.Ne4 h5+-) 34...fe6 (34...Be7 35.Re8 Ba3 36.e7+-) 35.Ng5 h6 36.Ne6 (36.Ne4 Kf7 37.Ba4 Kg7 38.Rc7 Kf8 39.Nf6 g5 40.Be8 g4 41.Rf7) 36...Kf6 37.Rf8 Ke5 38.Ng7 (38.Bc8 g5+-) 38...Kd6 39.Re8 (better 39.Be8 g5+-) 39...Kd7 40.Re1 (40.Re6 h5+-) 40...Kd6 41.f3 (41.Re6 Kc7+-) 41...g5 42.f4! h5 (42...gf4 43.Re6 Double attack) 43.Nf5 (43.Nf5 Kd7 44.fg5 Kc7 45.g6 Kc6 46.g7 Kb6 47.g8Q h4 48.Rc1 Ka5 49.Qb3 Ka6 50.Ra1) 1-0. peoncuatrorey (1950) - tibbo (1770), Rated Bullet game, lichess.org, 2015. (=1.Nf3 d6 2.c4 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 Nbd7 7.Be2 c5 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3)

9.d5 Ne4 10.Bg7 Kg7 11.0-0 Ndf6 12.Nfd2 e5 13.f3 Nd6 14.Nc3 Bd7 15.g4 Qe7 16.Rf2 h5 17.Rg2 e4 18.g5 (18.Nce4!? Nde4 19.Ne4 Ne4 20.fe4 Qe4 21.Rg3=) 18...ef3+= 19.gf6 Qf6 20.Nde4 fe2 21.Re2 Ne4 22.Ne4 Qe5 23.Nf2 Rae8 24.Rb1 b6 25.Qd2 Bg4 26.Ng4 hg4 27.Qb2 Qb2 28.Rbb2 Re4 29.Rbd2 Rd8 30.Kg2 f5 31.Rc2 Kf6 32.a4 Rde8 33.a5 ba5 34.Ra2 f4 35.Rf2 f3 36.Kg3 Rh8 37.h4 g5 38.hg5 Kg5 39.Rh2 Ree8 40.Ra5? Rh2 41.Kh2 Rh8 42.Kg3 Rh3 43.Kf2 Rh2 44.Kg1 Rg2 45.Kf1–+ Kh4 46.Ra7 Kg3 47.d6 Rd2 48.Ra1 Rd6 49.Re1 Rh6 (49...Rh6 50.Kg1 f2 51.Kf1 Kf3 52.e4 Rh1) 0–1. Cueva,O – Andrada Andrada,Luis Javier, Murcia, 1997. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 c5)

9.d5 Ng4 10.Bg7 Kg7 11.h3 Nge5 12.Nc3 Nf3 13.Bf3 Ne5 14.Be2 Qa5 15.Qd2 a6 16.0-0 b5 17.Qb2 Nc4 18.Bc4 bc4 19.Ne4 Kg8 20.d6 ed6 21.Nd6 c3 22.Qc2 c4 23.Nc4 Qg5 24.f4 Qg3 25.Rf3 Qh4 26.Qc3 Bb7 27.Rf2 Rac8 28.Qd3 Rfd8 29.Qb3 Bd5 30.Rc1 Bc4 31.Rc4 Rc4 32.Qc4 Rd1 33.Rf1 Rf1 34.Kf1 Qg3 35.Qc8 Kg7 36.Qc3 Kh6 37.Qc8 Qe3 38.Qg4 Qc1 0–1. Adamkosh (1820) – Emincan22 (1735), lichess.org, 2019.

9.0-0 cd4

10.ed4 b6 11.Nbd2 Bb7 12.a4 Re8 13.a5 Qc7 14.Qb3 Ne4 15.Ne4 Be4 16.Rfe1 e5 17.ab6 ab6 18.Ra8 Ra8 19.Ne5 Ne5 20.de5 Be5 21.Be5 Qe5 22.Bf1 Qd4 23.Qe3 Qe3 24.Re3 Bf5 25.f3 Ra1 26.Kf2 h5 27.h4 Rb1 28.Rc3 Kg7 29.Bd3 ½–½. Ree,Hans (2455) – Riemersma,Liafbern (2420), Rotterdam k.o., 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 c5)

10.ed4 b6 11.Nbd2 Bb7 12.d5 Rc8 13.Nd4 Nc5 14.N2b3 Na4 15.Ba3 Re8 16.Rc1 e6 17.de6 fe6 18.Nb5 Ne4 19.Qd8 (19.Na7? Nac3 20.Qe1 Ra8–+) 19...Rcd8 20.Nc7 (worse is 20.Na7 Ra8 21.Nb5 Nac3 22.Nc3 Nc3 (22...Ra3?! 23.Ne4 Be4 24.c5=) 23.Rc3 Bc3–+ (23...Ra3?! 24.Rc2+=)) 20...Bh6 21.Rce1 Bd2 22.Ra1 Bc3 23.Rac1 Bd2 24.Rc2 Bg5 25.Ne8 Re8 26.Bf3 Rd8 27.Re1 Nac5 28.Nc5 Nc5 29.Bb7 Nb7 30.c5 bc5 31.Rb2 Na5 32.Bc5 Nc4 33.Rbe2 e5 34.Ba7 Ra8 35.Bc5 Bd2 36.Rd1 Ra5 37.Red2 Nd2 38.Bb4 Ra2 39.Bd2 Kf7 40.Bc3 e4 41.Kf1 Ke6 42.Rd4 Kf5 43.Rd5 Kf4 44.Bd4 Rc2 45.Be3 Kg4 46.h3 Kh4 47.Bg5 Kh5 48.g4 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

10.ed4 Qb6 11.Qb3 Ne4 12.Rd1 Ndc5 13.Qa3 (13.Qb6 ab6 14.Nc3 Nc3 15.Bc3 Rd8+=) 13...Bg4 14.Nc3 Nc3 15.Bc3 (15.Qc3 Na4 16.Qb3 Nb2–+) 15...Ne4 16.Rab1 Nc3 17.Qc3 Qc7 18.h3 Bf5 19.Bd3 Bd7 20.Qb4 Bc8 21.Be4 Rb8 22.c5 e6 23.Qa3 a6 24.Rb6 Rd8 25.Qe3 Bf8 26.Bc2 Bg7 27.Rdb1 Bd7 28.Be4 Bc8 29.c6 Rd6 30.Ne5 (30.Qc1 Rd4 31.cb7 Rc4 32.bc8Q Qc8 33.Qc4 Qc4 34.Rb8 Bf8+-) 30...f5 (30...h6 31.Bd3 a5 32.Ba6+/–) 31.Bf3 Rd4? (better is 31...Bf6+/–) 32.Qd4+- Be5 33.Qe3 Bf4 34.Qd3 e5 35.Bd5 Kg7 36.Qc4 e4 37.cb7 Bh2 38.Kh1 Qf4 39.Qd4 Kf8 40.Qf6 Ke8 41.bc8Q Rc8 42.Re6 Kd7 43.Qf7 Kd8 44.Re8 1–0. Holm,Sejer (2240) – Luther,Lasse (1910), North Sea Cup, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Be2 c5 8.bc5 dc5)

10.ed4 Nb6 11.Nbd2 Be6 12.Qb3 Rc8 13.a4 Qc7 14.Rfc1 Rfd8 15.Ba3 Bg4 16.a5 Nbd7 17.h3 Bf3 18.Nf3 e5 19.d5 (19.de5 Ne5 20.Ne5 Qe5+=) 19...Ne4 20.Rcb1 Ndc5 21.Qc2 h6 (21...Nf2 22.Kf2 e4 23.Bb2 Bb2 24.Rb2 ef3 25.Bf3=) 22.Nd2 Nd2 23.Qd2 e4 24.Ra2 Rd7 25.Bb4 Qe5 26.Ra3 h5 27.Bc3 Qf5 28.Rb5 Bc3 29.Rc3 Re7 30.g4 Qf6 31.gh5 gh5 32.Rg3 Kh7 (better is 32...Kf8 33.Bh5 e3 34.Re3 Ne4+-) 33.d6?? (33.Qg5 Qg5 34.Rg5 f5 35.Rf5 Kg8+-) 33...e3? (better is 33...Re5=) 34.fe3 Rd7?? (better is 34...Re5 35.Qd4 Ne4+-) 35.Qd5 Rd6 (35...Qh4 36.Kg2 Rg8 37.Bd3 Rg6 38.Bg6 fg6 39.Rc5+-) 36.Qh5 Qh6 1–0. Baumgartner,Heinz (2285) – Sharif,Mohamed, Thessaloniki ol (Men), 1984. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 Nbd7 7.Be2 c5)

10.ed4 Qc7 11.Nc3 a6 12.a4 Nb6 13.c5 Nbd5 14.Nd5 Nd5 15.Bc4 Nf6 16.Ba3 Bg4 17.h3 Bf5 18.Ne5 Ne4 19.Rc1 Rfd8 (better is 19...Be5 20.de5 Rad8= (20...Nc5?? 21.Bc5 Qe5 22.Re1+-)) 20.c6?? (better is 20.Nf7 Rd4 21.Ne5 Rc4 22.Nc4+/–) 20...Be5–+ 21.cb7 Qb7 22.Qf3 Bd4 23.g4 Be6 24.Be6 fe6 25.Be7 Nf2 26.Qb7+- Nh3 27.Kg2 Rdb8 28.Rf8! Rf8 29.Bf8 Rf8?? 30.Rc8 Nf4 31.Kh1 (31.Kh1 Bg7 32.Qa6+-) 1–0. ourang – nikkarplay (1605), kurnik, 2012.

8.dc5 dc5

9.b5 a6 10.a4+=.

9.b5 Nb6 10.0-0 Be6 11.Qc2 Qc7 12.a4 a5 13.Be5 Qc8 14.Na3 Nfd7 (14...Bf5!? 15.Qb3 Qe6=) 15.Bg7+= Kg7 16.Ng5 Bf5 17.e4 Be6 18.Ne6 fe6 19.Rad1 Ne5? (19...Qc7 20.Nb1+/–) 20.f4?? (better is 20.Qc3 Qc7 21.f4 Na4 22.Qa1+-) 20...Ned7 21.Bg4 Nf6 22.Qb2 (better is 22.Bh3!?+-) 22...Kg8 23.Bf3 Qc7 24.e5 Ne8 25.g3 Ng7 26.Qc2 Nf5 27.Rfe1 Nd4 28.Rd4 cd4 29.c5 Na4 30.Qa4+= Qc5 31.Bb7 d3 32.Kg2 d2 33.Rd1 Rad8 34.Nc4?? Rd4= 35.Rd2 Rc4 36.Qb3 Rb4 37.Qd3?? Qb5–+ 38.Bf3 Qd3 39.Rd3 Rfb8 40.Bg4 Kf7 41.Kh3 a4 42.Rc3 R8b6 0–1. ludice (1735) – varimano (1765), kurnik, 2011. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6 5.d4 0-0 6.Nf3 Nbd7 7.Be2 c5)

9.b5 Nb6 10.0-0 Bf5 11.Qb3 Qc7 12.a4 a5 13.Nh4 Bg4 14.Bg4 (14.Nf3!?=) 14...Ng4+= 15.g3 Ne5 (15...Bb2!? 16.Qb2 Ne5+= (16...Nc4?! 17.Qe2=)) 16.Nd2 Rfd8 17.Nhf3 Nd3 (better is 17...Nbc4!? 18.Ne5 Ne5–/+ (18...Nd2?? 19.Qf7 Kh8 20.Ng6 hg6 21.Qg7#)) 18.Bg7= Kg7 19.Rfd1 f6 20.Ne4 Nb4 21.Ne1 Qe5 22.Nd2?? (22.f3 Rd7+=) 22...Qf5 (better is 22...Rd2 23.Rd2 Qa1–+) 23.Ndf3 e5 24.Rac1 e4 25.Nh4 Qe6 26.Rd8 Rd8 27.Nhg2 Nd3 28.Nd3+= ed3 29.Nf4 Qd6 30.Rd1 d2 31.Nd5 Nd5 32.cd5?? Qd5–+ 33.Qc3 b6 34.Kf1? Qa2 35.Ke2 Qa4 36.Rd2 Rd2 37.Kd2 Qb4 38.Kd3 Qc3 39.Kc3 Kf7 40.Kc4 Ke6 41.f4 Kf5 42.h3 Ke4 43.h4 f5 0–1. bluepiramid2 (1780) – paceka, kurnik, 2011.

9.b5 Nb6 10.Qd8 Rd8 11.0-0 Bg4 12.Na3 Ne4 13.Bg7 Kg7 14.Rac1 Rd6 15.h3 (15.Rfd1 a6 16.h3 ab5 17.Nb5 Rd1 18.Bd1 Bd7+=) 15...Be6 (15...Bf3 16.Bf3 Nd2 17.Rfd1 Nf3 18.gf3–/+) 16.Rfd1+= Rad8 17.Rd6 Rd6 18.Kf1 h6 19.Ke1 Kf8 20.Nb1 Ke8 21.Nbd2 Nd2 22.Nd2 f5 23.Nf3 Bf7 24.Rd1 Rd1–/+ 25.Kd1 Bc4 26.Bc4 Nc4–+ 27.Kc2 b6 28.Kc3? Nd6 29.a4 Ne4 30.Kc4 Nf2 31.Ne5 Nd1 32.Kd5?? Ne3 33.Kc6 e6 34.Kb7 Ke7 35.Ka7 Kd6?? 36.Nd3?? c4–+ 37.Nc1 Kc5 38.Ka6 Nd5 39.a5 ba5 40.Na2 e5 41.Ka5 e4 42.Nc3 Nc3 43.b6 Nd5 44.b7 Nb4 45.b8Q Nc6 46.Ka6 Nb8 (46...Nb8 47.Kb7 e3 48.Kc8 e2 49.Kd8 e1Q 50.g3 Nc6 51.Kd7 Qe7 52.Kc8 Kd6 53.h4 Qd7#) 0–1. ludice (1745) – marjan964, kurnik, 2011.

9.b5 Qc7 10.Nbd2 (10.0-0 Ne4 11.Bg7 Kg7=) 10...b6 (10...a6 11.ba6 Rd8 12.0-0+=) 11.a4 (11.0-0 Rd8=) 11...a5 (11...Bb7 12.0-0+=) 12.0-0 Bb7 13.Qc2 Ng4 14.Bg7 Kg7 15.h3 Bf3 (15...Ngf6 16.Qb2=) 16.Nf3 Ngf6 17.Rad1 (17.Rfd1 Rfe8=) 17...Rad8= 18.Rd2 Nb8 (18...Ne5 19.Rfd1=) 19.Rd8 (19.Bd3 Rfe8+=) 19...Rd8= 20.Rd1 (20.Qb2 Nbd7=) 20...Rd6 (20...Rd1 21.Bd1 Qd6 22.Be2=) 21.Rd6 Qd6 22.Qd3 ½–½. Gerold,Guenter – Weiz,Walter, corr DDR–ch M525, 1968.

9.b5 b6

10.0-0 Bb7 11.Nc3 e6 12.Qc2 Qc7 13.Rad1 Rad8 14.Rd2 Ne5 (14...Ng4!? 15.g3 Nge5=) 15.Ne5+= Qe5?? (better is 15...Rd2 16.Qd2 Qe5+=) 16.Nd5+- Qg5 17.Nf6 (better is 17.f4 Qh4 18.Bf6 Bf6 19.g3+-) 17...Bf6+= 18.f3?? Bb2 19.Rd8 Rd8 20.Qb2 Qe3 21.Rf2 Rd2 22.Qf6 Re2 23.Qd8 Kg7 24.Qh4 (24.Qh8 Kh8 25.Kh1 Qc1 26.Rf1 Qf1) 0–1. ludice (1790) – golob1990 (1650), kurnik, 2011. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d6 6.Be2 Nbd7 7.Nf3 c5)

10.0-0 Bb7

11.a4 Qc7 12.Qb3 Ng4 13.g3 Nge5 14.Ne5 Ne5 15.Be5 (better is 15.f4!? Nd7 16.Bg7 Kg7 17.Nc3+=) 15...Qe5+= 16.Nd2 Qa1 17.Ra1 Ba1 18.Bf3 Bf3 19.Nf3 Rfd8 20.h4 Rd6 21.h5 Bg7 22.hg6 hg6 23.a5 Rad8 24.a6 Bf6 25.Kg2+= Kg7 26.Qc2 e6 27.Qe4 R8d7 28.g4 Rd1 29.g5 Bc3 30.Ne5 Be5 31.Qe5 Kg8 32.Kf3 R1d2 33.Qf6 R2d3 34.Qe5 Rd1 35.Qb8 Kg7 36.Ke4 R1d2 37.f4 Rd1 38.Qe5 Kg8 39.Kf3 Rf1 40.Ke4 Rfd1 41.Qb8 Kg7 42.Qe8 R1d2 43.Qc8 Rd1 44.Qc6 R1d2 45.Kf3 Rd1 46.Qe4 R1d2 47.Qe5 Kg8 48.f5 gf5 49.g6 fg6–+ 50.Qe6 Kg7 51.Qe5 Kf7 52.Qd5?? R2d5 53.cd5 Rd5 54.Kf4 1–0. ludice (1705) – kkkkris, kurnik, 2011.

11.Qc2 Qc7 12.Rd1 e6 13.Nbd2 Rad8 14.a4 Nh5 (14...a6 15.ba6 Ba6 16.Ne4+=) 15.Bg7 Ng7 16.Ne4 (16.a5 e5+=) 16...Nf5 (better is 16...f5!? 17.Ned2 Bf3 18.Nf3 f4+=) 17.Rd7+/– Rd7 18.Nf6 Kg7 (18...Kh8 19.Qc3 Ng7 20.Nd7 Qd7 21.Rd1+/–) 19.Nd7 (19.Qb2 Rd4 20.ed4 (20.Nd4?! cd4 21.g4 Qe5=) 20...Kf6 21.dc5 e5 22.c6+-) 19...Qd7+= 20.Rd1 Qc7 21.Qc3 f6 22.Ng5 Re8 23.Bf3 h6 24.Bb7 Qb7 25.Nf3 e5 26.Qd3 Re7 27.Qd8 Qc7 28.Qc7 Rc7 29.g4 Ne7 30.h3 Kf7 31.Kf1 Ke6 32.Ke2 Rd7 33.Rd7 Kd7 34.Nd2 f5 35.f4 e4 36.gf5 gf5 37.Kf2 Ke6 38.Kg3 Kf6 39.Kh4 Kg6 40.Nb1 Nc8 41.Kg3 Nd6 42.Nd2 Kf6 43.Kh4 Kg6 44.Kg3 Kf6 45.Kh4 Nf7 46.Kh5 Kg7 47.Nb3 Nd6 48.Nd2 Ne8 49.Nb3 Nf6 50.Kh4 Kg6 51.a5 Nd7 52.a6 Nf8 53.Nc5 bc5–/+ 54.b6 ab6?? 55.a7+- Ne6 56.a8Q Kf6 57.Qc6 Ke7 58.Qb6 Kf7 59.Qb7 Kf6 60.Qh7 Ng7 61.Qh6 Kf7 62.Qc6 Ne6 63.Kh5 Ng7 64.Kh6 Ne6 65.h4 Nf8 66.Qc5 Ne6 67.Qf5 Ke7 68.Qe4 Kd6 69.Qe6! Ke6 70.Kg7 Kf5 71.h5 Ke4 72.h6 Ke3 73.h7 Kf4 74.h8Q Ke4 75.c5 Kd5 76.c6! Kc6 77.Qd8 Kc5 78.Qd7 Kc4 79.Qd6 Kb5 80.Qc7 Kb4 81.Qc6 Kb3 82.Qc5 Kb2 83.Qc4 Kb1 84.Qe2 Kc1 85.Kf6 Kb1 86.Ke5 Kc1 87.Kd4 Kb1 88.Kc3 Ka1 89.Qb2# 1–0. ludice (1785) – mm1505, kurnik, 2011.

11.Qc2 Qc7 12.Nbd2 e5 13.Rad1 Rad8 14.Ng5 Rfe8 15.Nge4 Ne4 16.Ne4 Nf6 17.Bf3 Ne4 18.Be4 Be4 19.Qe4 f5 20.Qh4 e4 21.Bg7 Kg7 22.g4 Rd3 23.gf5 gf5 24.Qg5 Kh8 25.Qf5 Rg8 26.Kh1 Qg7 27.Qh3 Qb2 28.Qf5 Re8 0–1. barborski – roman112a (1800), kurnik, 2012.

11.Nbd2 Qc7 12.Qc2 Rad8 13.Rfd1 e6 14.h3 Ne8 15.Bg7 Ng7 16.a4 Ne5 17.Ne5 Qe5 18.Bf3 Bf3 19.Nf3 Qc7 20.Rd8 Rd8 21.Rd1 Ne8 22.g3 Rd6 23.Kg2 Qd7 24.Rd6 Qd6 25.Qe4 Qd7 26.Ne5 Qc7 27.Nc6 Nd6 28.Qf4 Qd7 29.Na7 Qa7 30.Qd6+/– Kg7 31.h4 Qa5 32.Qe5+/– Kg8 33.h5 gh5 34.Qg5 Kf8 35.Qh5 Qa4+= 36.Qg5 Qa5 37.Qd8+= Kg7 38.g4 h6 39.g5 hg5 40.Qg5 Kf8 41.Qd8 Kg7 42.Kf3 Qa7 43.Qd6 Qb7 44.Qc6 Qa7 45.e4 Qa5 46.Kg4 Qa7 47.f4 Qa5 48.f5 ef5 49.Kf5+= Qb4 50.Qb6+/– Qc4 51.Qf6 Kf8 52.b6 Qb5 53.Qd6+/– Kg7 54.Qc7 c4 55.e5 c3 56.b7 c2 57.b8Q Qb8 58.Qb8 c1Q 59.Qd6 Qf1 60.Ke4 Qe2 61.Kd5 Qd3 62.Kc6 Qc4 63.Kd7 1–0. ludice (1670) – dziobak366, kurnik, 2011.

11.Nbd2 Qc7 12.Qc2 Rad8 13.Rfd1 Nh5 14.Bg7 Ng7 15.a4 Ne5 16.Ne5 Qe5 17.Bf3 Bf3 18.Nf3 Qf5 19.Qf5 Nf5 20.Ne5 Nd6? 21.Nc6+- Rd7 22.a5 a6?? 23.ba6+- ba5 24.Ra5 Rc7 25.Ne7! Re7 26.Rd6 Rb8 27.g3 Ra7 28.Rc5 Rba8 29.Rcc6 Kf8 30.c5 Ke7 31.h4 f5 32.Kg2 Kf7 33.h5! g5 34.Rb6 Ke7 35.Rh6 Kd8 36.Rb7 Rb7 37.ab7 Rb8 38.Rh7 (38.Rh7 Ke8 39.c6 Rd8 40.c7 Rd1 41.b8Q Rd8 42.cd8Q#) 1–0. ludice (1705) – domestos77 (1625), kurnik, 2011.

11.Nbd2 e6 12.Qc2 Qc7 13.a4 Rfd8 14.Rfd1 Ne8 (14...a6!?=) 15.Bg7+= Ng7 16.Bd3 Nf6 17.Ne4 Ne4 18.Be4 Be4 19.Qe4 Nf5 20.Ne5 Nd6 (20...Rd1 21.Rd1 Rd8 22.Rf1+=) 21.Qf4 (21.Qc6 Ne8 22.Qc7 Nc7+/–) 21...Ne8+= 22.g3 f6 23.Nc6 Qf4 24.gf4 Rdc8? 25.Ne7+- Kf8 26.Nc8 Rc8 27.Rd7 Rc7 28.Rc7 Nc7 29.a5 Na8 30.ab6 Nb6 31.Ra7 Nc4 32.Rc7 Nd6 33.Rc5 h6 34.b6 Ke8 35.Rc6 Kd7 36.Rc7 Kd8 37.Rh7 h5 38.b7 Nb7 1–0. ludice (1635) – mm1505, kurnik, 2011.

7.Be2 c6

8.a4 c5 9.bc5 dc5 10.0-0=.

8.a4 Qc7 9.0-0 e5 (9...a5 10.b5+=) 10.Nc3+= Re8 11.Qb3 (11.a5 h6+=) 11...a5 12.b5 Qb6 (12...e4 13.Nd2+=) 13.Rfd1 e4 (13...ed4 14.Nd4 Nc5 15.Qc2+=) 14.Nd2 (14.Ng5 Qc7+=) 14...Nf8 (14...c5 15.Qc2 cd4 16.ed4+=) 15.Rac1 Qc7 16.h3 (16.Qc2 Bf5+/–) 16...h5 (16...Qe7 17.Qa3+=) 17.d5 (17.c5 dc5 18.dc5 Qe7+/–) 17...c5+= 18.b6 (18.Qa2 Bf5+=) 18...Qd8= 19.Rb1 g5 (better is 19...Ra6=) 20.Qc2+/– Bf5 (20...Ra6 21.Nce4 Ne4 22.Ne4 Bb2 23.Rb2+/–) 21.Nb5+- g4 22.h4 Ng6 23.g3 Ne5 24.Nc7+- Nf3? 25.Nf3 gf3 26.Bf3! Qd7 27.Bg2 Bg4 28.Rd2 Bf3 29.Na8 Ra8 30.Bc3 Ng4 31.Rb5 Bc3 32.Qc3 Ne5 33.Rc2 Qg4 34.Ra5?? Ra5–+ 35.Qa5 Bg2 36.Kg2 Qf3 37.Kg1 Qd1 38.Kg2 Nf3 (38...Nf3 39.Qa8 Kg7 40.Qe8 Qg1 41.Kh3 Qf1#) 0–1. Brauer,C – Toth,A, Budapest FS, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

8.Qb3 Qc7 9.Nc3 e5 10.0-0 Re8 11.Nd2 Nf8 (11...ed4 12.ed4 Nb6 13.a4=) 12.Rfe1 (12.de5 de5 13.Rfd1 Be6+=) 12...Ng4 (12...ed4 13.ed4 Ne6 14.Nf3=) 13.h3 (13.Nce4 Bf5+=) 13...ed4 14.ed4 Nf2? (better 14...Nf6!?+=) 15.Kf2+- Bd4 16.Kf1 d5? (better 16...Ne6+-) 17.Nd5 (17.cd5?? Qh2 18.Nf3 Qh1 19.Ng1 Qg1) 17...cd5 18.Bd4 dc4 19.Bc4 (19.Qc4 Qf4 20.Nf3 Be6+-) 19...Be6 20.Rac1 (20.Be5 Qb6+-) 20...Qf4 21.Nf3 Rac8? (21...Bc4 22.Qc4 Ne6+-) 22.Be3 (better 22.Be6!? Rc1 23.Bf7 Qf7 24.Qf7 Kf7 25.Ng5 Kg8 26.Rc1 Ne6 27.Ne6 Re6 28.Ba7 b5+-) 22...Qg3?? (better 22...Bc4 23.Kf2 Qf3 24.Kf3 Bb3 25.ab3 b6-/+) 23.Be6+- Ne6 24.Rc8 Rc8 25.Bf2 (25.Ba7?! Nf4 26.Qb2 Nd3+-) 25…Qf4 (25...Qf4 26.Re6 Rc1 27.Re1 Re1 28.Ke1 a6+-). ClayPigeons (2150) - Mynameiswinner (2170), Rated Bullet game, lichess.org, 2020.

8.Qb3 Qe8 9.Nbd2 e5 10.c5 e4 11.Ng5 d5 12.a4 h6 13.Nh3 Nh5 14.b5 Qe7 15.bc6 bc6 16.Nf4?? (better is 16.Bh5 gh5 17.Nf4+=) 16...Nf4–/+ 17.ef4 Qh4 18.g3 Qh3 19.Bf1 Qg4 20.Bg2 (better is 20.Rb1!?+=) 20...Ba6–+ 21.Qd1 Qd1 22.Kd1 Rab8 23.Kc2 Bd3 24.Kc1 Rb2! 25.Kb2 Bd4 26.Ka2 Rb8 27.Rab1 Bb1 28.Rb1 Rb1 29.Kb1 Nc5 30.f3 ef3 31.Nf3 Bg1?? 32.a5 Bf2 33.Bh3? Kf8 34.Kc2 Ke7 35.Kd2? Ne4 36.Ke2 Kd6 37.f5 c5 38.Nd2 Bg1 39.Ne4 de4 40.fg6 fg6 41.Bg2 Ke5 42.h4 c4 43.g4 Kd4 44.Kd2 Be3 45.Kc2 Bf2 46.h5 gh5 47.gh5 e3 48.Bf3 c3 49.Be2 Bg3 50.a6 Be5 51.Bf1 Ke4 52.Be2 Kf4 53.Bd1? Kg3 54.Be2 Kf2 55.Kd3 c2! 56.Kc2 Ke2 57.Kb3 Kd2 58.Ka2 e2 59.Kb1 e1Q 60.Ka2 0–1. Grossenbaum,Valeria – Reichert,Viktor, GER–ch Net qual2 U18 blitz, 2009. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Be2 0-0 5.b4 d6 6.Bb2 Nbd7 7.c4 c6)

8.Nc3 Qc7 9.a4 e5 10.Rc1 Re8 11.0-0 Nf8 12.Re1 Bg4 13.h3 Bf3 14.Bf3 e4 15.Be2 a6 16.Qb3 h5 17.b5 Qd7 18.c5 d5 19.b6 g5 20.Qd1 g4 21.h4 Ng6 22.g3 Nh7 23.Kg2 f5 24.Rc2 Bf6 25.Rh1 Qe7 26.Rh2 Nhf8 27.Bc1 Ne6 28.Na2 f4 29.ef4? Nd4–+ 30.Bg4? Nc2 31.Bh5–/+ Kh7 32.Qc2 Rg8 33.Kf1 Rad8 34.f3 Bd4 35.Bg6 Rg6–/+ 36.g4 Qc5 37.f5 Rgg8 38.Qd2 Qc4 39.Re2 e3 40.Qc2 Qc2 41.Rc2 c5 42.Ba3 c4 43.g5 Be5 44.Bc5+= Bf4 ½–½. Larios Villa (1945) – Sanabria Alvaro, Mondragon Arrasate Hiria op 8th, 2008.

8.Nbd2 Nh5 9.0-0 e5 10.de5 Ne5 11.Ne1 (11.Ne5 de5 12.Bc3 Qh4+=) 11...Nf6= 12.Ndf3 Nf3 13.Nf3 (13.gf3? Bh3-+) 13...Be6 14.Rc1 Qc7 15.a3 d5 16.Qc2 Rac8 17.h3 dc4 18.Bc4 Bc4 19.Qc4 Rfd8 20.Rfd1 Nd5 21.Bg7 Kg7 22.e4 Ne7 23.Rd8 (23.Qc3 f6+/-) 23...Rd8+= 24.Qc3 Kg8 25.g3 Qd7 26.Kg2 h5 27.Qc5 b6 28.Qe5 Qd6 29.Qd6 Rd6 30.Rc3 Kg7 31.h4 Kf6?? (31...f6 32.e5 Rd5 33.ef6 Kf6 34.Ng5=) 32.Ng5 (better 32.e5 Ke6 33.ed6 Kd6 34.Re3+-) 32...Ke5? (better 32...Kg7+=) 33.Nf7+- Ke6? (better 33...Kd4 34.Rc1 Rf6 35.Rd1 Kc4 36.Ne5 Kb3 37.Rd3 Kb2+-) 34.Nd6 Kd6 35.Rd3 Ke5 (35...Ke6 36.Rd8+-) 36.Rd7 Ke6 37.Ra7 c5 (37...Nc8 38.Rc7 Ne7 39.e5+-) 38.Re7! Ke7 39.bc5 bc5 40.Kf3 Ke6 41.Ke3 Ke5 42.Kd3 Ke6 (42...c4 43.Ke3+-) 43.f4 Kd6 44.Kc4 Kc6 45.a4 Kb6 46.e5 Kc6 47.e6 (better 47.a5 Kd7 48.Kc5 Ke6+-) 47...Kd6 48.a5 Ke6 49.a6 Kd7 50.a7 Ke6 51.a8Q Kf5 52.Qd5 Kg4 53.Qc5 Kg3 (53...Kf3 54.Qa3 Kf2 55.Qd6 Ke3 56.Qg6 Kf2 57.f5 Kf3 58.f6 Kg2 59.f7 Kh3 60.f8Q Kg2 61.Qc2 Kg3 62.Qff2 Kg4 63.Qcf5) 54.Qg5 (54.Kd3 Kf3 55.Qe3 Kg4 56.Ke4 g5 57.Qg1 Kh4 58.Qg5 Kh3 59.Kf3 h4 60.Qg2) 54...Kh3 55.Qg6 (55.Kd5 Kh2 56.Ke4 Kh3 57.Kf3 Kh2 58.Qg2) 55...Kh4 (55...Kh2 56.f5 Kh3 57.f6 Kh2 58.f7 Kh1 59.f8Q Kh2 60.Qf2 Kh3 61.Qe6) 56.Qh5! Kh5 57.Kd4 Kg6 58.Ke5 Kf7 59.f5 (59.Kf5 Ke7 60.Kg6 Ke8+-) 59...Kf8?? (59...Ke7 60.f6 Kf8 61.f7=) 60.f6 (better 60.Ke6+-) 60...Kf7= 61.Kf5 Kf8 62.Ke6 Kg8?? (better 62...Ke8 63.f7 Kf8 64.Kf6=) 63.Ke7 Kh7 64.f7 (64.f7 Kh6 65.f8Q Kg5 66.Qf3 Kh4 67.Qg2 Kh5 68.Kf6 Kh4 69.Kf5 Kh5 70.Qg5) 1-0. Gehaktbalmetjus (2085) - knightsforthewin (2075), Rated Bullet game, lichess.org, 2020.

8.0-0 a5

9.b5 cb5 10.cb5 Nb6 11.Nbd2 Bf5 12.Rc1 a4 13.a3 Qd7 14.Nh4 Bg4 15.Bg4 Ng4 16.Qe2 d5 (16...Ra5 17.Rc2=+) 17.Nhf3= Rfc8 18.h3 Nh6 19.e4 (19.Bc3 Nf5=) 19...de4 20.Ne4 Nf5 21.Nc5 Qd5 22.Rfd1 e6 23.g4 (23.Ne5!?=) 23...Nd6-/+ 24.Ne5 Qa2 (better 24...Ra5!?-/+) 25.Rc2= Nd5?? (25...Qd5 26.Rcc1=) 26.Rdc1?? (better 26.Ra1 Nf4 27.Ra2 Ne2 28.Re2 Nb5 29.Nb7+-) 26...b6 (better 26...Nf4 27.Qf3 g5=) 27.Ncd7 (27.Ra1 Nf4 28.Qf3+= (worse 28.Ra2 Ne2 29.Re2 bc5=+)) 27...Rc2-/+ 28.Qc2 Qb3 (28...Rd8 29.g5-/+) 29.Qc6? (better 29.Qb3!? ab3 30.Rc6 Nb5 31.Nb6=) 29...Rd8-+ 30.Rc2 (better 30.Qd6 Qb2 31.Rf1 Be5 32.de5-+) 30...Nb5?? (better 30...Be5 31.de5 Rc8 (31...Nb5?! 32.Rd2-/+) 32.Qc8 Nc8 33.Rc8 Kg7-+) 31.Re2?? (better 31.Qc8! Rc8 32.Rc8 Bf8 33.Rf8 Kg7 34.Rf7 Kg8 35.Rf8 Kg7 36.Rf7 Kh8 37.Rf8 Kg7 38.Rf7=) 31...Qd1-+ 32.Kg2 Qe2 33.Ba1 (33.Qc1 f6 34.Nf6 Bf6-+) 33...Qe4 34.Kh2 (34.Kg1 Nd4 35.Bd4 Qd4-+) 34...Qf4 (34...Nd4 35.Bd4 Qd4 36.Kg1 Be5 37.Ne5 Qe5 38.Qc1-+) 35.Kg2 (35.Kg1 Nd4 36.Bd4 Qd4-+) 35...Nd4 36.Bd4 Qd4 37.Nf3 Qe4 (better 37...Nf4 38.Kg3 Qd7 39.Qb6 Nd5-+) 38.Nb6 (38.Kg3-+) 38...Nf4 39.Kg3 Ne2 40.Kg2 Qc6 (40...Qc6 41.h4 Rd1 42.g5 Rg1 43.Kh2 Qf3 44.Na4 Be5) 0-1. Owczarzak,J (2325) - Vedrickas,T (2395), Euro Online Blitz Quali, 2020.

9.b5 Re8 10.Nbd2 e5 11.de5 Ne5 12.Ne5 de5 13.Qc2 Bf5 14.e4 Be6 15.c5 Nd7 16.b6 (16.Nc4 Bc4 17.Bc4 Qe7+=) 16...a4 (16...Nc5 17.Rfb1 A) 17...Qb6? 18.Bd4 Qc7 19.Bc5+- (19.Qc5? ed4 20.Bd3 Bf8-+); B) 17...Na4-/+) 17.Ba3= Bf8 18.Nf3 h6 19.Rfd1 Qf6 20.Rac1 Be7 21.Bc4 (21.Rd2 Red8+=) 21...Bg4 (21...Nb6 22.Be6 Qe6 23.Rb1=) 22.Qc3 (22.h3 Be6 23.Rd3+/-) 22...Nf8 (better 22...Nc5!? 23.Qe3 Ne6 24.Be6 Bf3 25.Be7 Re7 26.Qf3 Qf3 (worse 26...Re6 27.Qf6 Rf6 28.Rd7=) 27.gf3 fe6-/+) 23.Qe5 (23.Ne5 Be6+/-) 23...Bf3 24.Qf6 Bf6 25.gf3 Ne6 (25...Rad8 26.Bb4+=) 26.Be6 Re6 27.Rd7 Rb8 (27...Re7 28.Rcd1 Rae8 29.Re7 Re7 30.Rd8 Kg7 31.Ra8+/-) 28.Rcd1 Kg7 29.Rc7 (better 29.Bc1+-) 29...Be5= 30.Rcd7 Rf6 (30...Bf6 31.Bc1 g5+/-) 31.Kg2+- Rf4 (31...Re6 32.Bc1+-) 32.Rd8 (32.Bc1 Rh4 33.f4 Bc3+-) 32...Rd8+/- 33.Rd8 f5 34.Rd7 Kf6 35.ef5 gf5 (35...Rf5 36.Rb7 Rg5 37.Kf1 Bh2 38.Ra7+-) 36.Rb7 Rc4? (36...Ke6+-) 37.Rc7! Rc2 (37...Bc7 38.bc7 Passed pawn) 38.Rc6 Kg5 (38...Kf7 39.b7 Re2 40.Rh6+-) 39.b7 Bd4 (39...Bb8+-) 40.Rb6 (40.b8Q Rf2 41.Kg3 Be5 42.Qe5 Rf3 43.Kf3 Kh4 44.Rh6 Kg5 45.Bc1) 40...Rf2= 41.Kh3 Be5?? (better 41...Rf3 42.Kg2 Rf2 43.Kg3 f4 44.Kh3 Rf3 45.Kg2 Rf2 46.Kg1 Rf3 47.Kh1 Rf1 48.Kg2 Rf2 49.Kh3 Rf3 50.Kg2 Rf2=) 42.b8Q (42.Bc1 f4 43.Rd6 Rf3 44.Kg2+-) 42…Rh2 0-1. Ligonazo (2405) - Frogkiller (2565), Rated Bullet game, lichess.org, 2022.

8.0-0 Qc7

9.a4 e5 10.Nc3 ed4 11.Nd4 a5 12.b5 Nc5 13.Ba3 Be6 14.Bc5 d5?? (better 14...dc5 15.Ne6 fe6 16.bc6 Rad8+=) 15.Bf8+- dc4 (15...Rf8 16.cd5 Nd5+-) 16.Bg7 Kg7 17.Ne6 fe6 18.bc6 Qc6 19.Qd4 Rc8 20.Rfb1 Rc7 (20...Qc7 21.f4 Rd8 22.Rb7 Qb7 23.Qd8+-) 21.Rb6 Qd7 (21...Rd7 22.Rc6 Rd4 23.Re6+-) 22.Qd7 (22.Qe5 Qf7+-) 22...Rd7 (22...Nd7 23.Re6 Nc5 24.Rd6+-) 23.Re6 Rd2 24.Bf1 (24.Rc1!? Nd7+-) 24...Rc2 25.Nb5 Nd5 (25...c3 26.Ra3 Nd5 27.Rd6+-) 26.Rd6 (26.Na3 Rb2 27.Nc4 Rb4+-) 26...Nb4 (26...Nf6 27.f3 c3 28.Ra3+-) 27.Rd7 Kh6 28.Rb7 c3 29.Rc7 Nd5 30.Rc5 Nb4 31.Rc3 Rb2 32.Rc5 Nc2 33.Nd4 (better 33.Rd1 Nb4+-) 33...Na1 34.Ra5 Rb1 (34...Nc2 35.Ne6+-) 35.Rb5 Rd1 36.a5 Rd2 37.a6 Ra2 38.Rb6 Nc2 (38...Ra3 39.Nb5 Ra5 40.a7+-) 39.Nc2 Rc2 40.g3 (better 40.a7 Ra2 41.Ra6 Ra6 42.Ba6 g5 43.a8Q Kg7 44.Qb7 Kf6 45.Bc4 g4 46.Qf7 Kg5 47.h4 gh3 48.f4 Kh6 49.Qf6 Kh5 50.Qg5) 40...Ra2 41.h4 Kh5 42.Bg2 Kg4 (42...Kh6 43.g4 Ra4 44.Bf3+-) 43.Rb4 (better 43.Rb5 h6 44.Bc6 g5+-) 43...Kf5 (43...Kh5 44.Bf3 Kh6 45.g4 Ra1 46.Kh2 Ra6 47.Rb7 Ra5 48.Be4 Rc5 49.f4 Rc7 50.Rc7 g5 51.Rh7) 44.Bb7 (44.g4 Ke6 45.Rb6 Kd7 46.Rb7 Kd6+-) 44...h6 (44...Ke6 45.Rb6 Ke7 46.Be4+-) 45.Kg2 g5 46.hg5 hg5 47.Rb5 Kg6 48.Kf3 Kf6 (48...Kh5 49.g4 Kh6 50.Rb6 Kg7 51.Be4+-) 49.Kg4 Ra4 50.e4 Ra2 51.Rf5 (better 51.e5 Ke7 52.Kg5+-) 51...Ke6 (51...Kg6 52.Rg5 Kf6 53.e5 Ke6 54.f4+-) 52.Rg5 (52.Bd5 Kd7 53.Ba2 Ke7 54.Rd5 Kf8 55.Rd7 Ke8 56.Be6 Kf8 57.a7 Ke8 58.a8Q) 52...Rf2 53.Rf5 (better 53.a7 Rf8 54.Bd5 Kd7+-) 53...Ra2 54.Rg5 (better 54.Bd5 Kd7 55.Ba2 Kc7 56.a7 Kb7 57.Rf7 Ka6 58.a8Q Kb5 59.Rb7 Kc5 60.Qd8 Kc6 61.Qd5) 54...Kf6?? (54...Rf2 55.a7 Rf8 56.Bd5 Kd6 57.Rg8 Rg8 58.Bg8 Kd7 59.Bd5 Kd6 60.a8Q Kc7 61.Qc6 Kd8 62.e5 Ke7 63.Qc7 Ke8 64.e6 Kf8 65.Qf7) 55.Rf5 Kg6?? (55...Ke6 56.Bd5 Kd7 57.Ba2 Kd6 58.a7 Kd7 59.Rf7 Kc6 60.a8Q Kb5 61.Rb7 Kc5 62.Qd8 Kc6 63.Qd5) 56.Kf4 Rf2 57.Ke5 Ra2 58.g4 Ra5 59.Kf4 White prepares the advance g5 59...Ra1 60.g5 Rf1 61.Kg4 Ra1 (61...Rg1 62.Kf3 Ra1+-) 62.Kf4 Kh5?? (62...Rf1 63.Ke5 Ra1+-) 63.Ke5 (63.a7 Rf1 64.Ke5 Ra1+-) 63...Re1 (63...Kg6 64.Kd6 Ra2 65.Kc6+-) 64.Ke6 (64.a7 Ra1 65.Rf6 Kg5 66.Ra6 Rh1 67.a8Q Rh5 68.Qg8 Kh4 69.Kf4 Rf5 70.ef5 Kh5 71.Qg5) 64...Ra1 65.Kf6 Rf1 66.e5 (66.Rf1 Kh4 67.Rf3 Kg4 68.e5 Kh5 69.Bc8 Kh4 70.Rh3) 66...Kg4 67.e6 (67.Rf1 Kg3 68.g6 Kh3 69.g7 Kh4 70.g8Q Kh5 71.Qg5) 67...Rf5+- 68.Kg7 Rg5 69.Kf7 Rf5 (69...Rf5 70.Ke7 Rf2+-). Spiritchaser84 (2555) - miguelsimoes (2575), Rated bullet game, lichess.org, 2024. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

9.a4 Re8 10.a5 e5 11.de5 de5 12.c5 (12.Nc3 e4 13.Nd2 b6+=) 12...e4= 13.Nfd2 (13.Nd4 Ne5+=) 13...Ne5 14.Be5 (14.Nc3 Bf5=) 14...Qe5=+ 15.Nc4?? (better 15.Ra3=+) 15...Qa1-+ 16.Nd6 Rd8 (16...Re7 17.Bc4 Qe5 18.f3-+) 17.Bc4 Be6 18.Be6 fe6 19.Qb3 Qe5 20.Nd2 Nd5 (20...b5 21.Qc2-+) 21.N2c4 (21.N2e4 Rd7-+) 21...Qf6 (21...Qc3!? 22.Qb1 Qb4 23.Qe4-+) 22.Nb7 Rdb8 23.a6 (23.Ncd6 a6 24.Qa4 Qe7 25.Qc6 Bc3-+ (worse 25...Nb4 26.Qe4 Nd5 27.c6-+)) 23...Rf8 (23...Qc3 24.Qc3 Bc3 25.Rc1-+) 24.Nca5 (24.Nba5 Rac8-+) 24...Rac8 (24...Bh6 25.Nc4-+) 25.Nd6 Rc7 26.Ne4 Qe5 27.Nd6 Bh6 (27...Qc3 28.Rb1-+) 28.Nac4 Qc3 29.Qd1 (29.Qc3 Nc3 30.f4 Bg7-+) 29...Qb4 (29...Nb4 30.Qg4 Qf6 31.Ne4-+) 30.Qg4 Re7 31.h4 Qc5 32.h5 (32.Rd1 Nc7-+) 32...g5 (better 32...Ne3!? 33.Ne3 Be3 34.Ne4-+) 33.Qe4 (33.Rb1 Nb6-+) 33...Bg7 34.Rb1 (34.h6 Bh6 35.Qe5-+) 34...Nc3 35.Qc2 Nb1 36.Qb1 Rd7 0-1. vroeli (2860) - Banjovi (2785), Rated Bullet game, lichess.org, 2021. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.e3 g6 3.d4 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 Nbd7 7.Be2)

8.a4 a5

9.b5 cb5 10.ab5 b6 11.0-0 d5 12.Nbd2 Bb7 13.Rc1 Rc8 14.Ba3 dc4 15.Nc4 Ne4 16.Qd3 Re8 17.Rfd1 Rc7 18.Ne1 Bf8 19.f3 Nd6 20.Ne5 e6 21.e4 Rc1 22.Bc1 Qc7 23.Bf4 Rc8 24.Rc1 Qd8 25.Nc6 Qe8 26.Qb3 Nb8 27.Ne5 Rc1 28.Bc1 Qc8 29.Bf4 Nd7 30.Nc4 Nc4 31.Bc4 Bg7 32.Be3 Nf6 33.Nd3 Nd7 34.Nb2 Qc7 35.Na4 Qd6 36.e5 Qe7 37.f4 Bf8 38.d5 ed5 39.Bd5 Bd5 40.Qd5 Qb4 41.Kf2 Nc5 42.Nb6 Qb5 43.Nc4 a4 44.Kf3 Qb3 45.Ke2 Ne6 46.Qd3+= Qb5 47.Nd6 Qb2 48.Kf3?? a3–+ 49.f5 a2 50.fe6 a1Q 51.ef7 Kh8 52.Nb5 Qa8 (52...Qa8 53.Qe4 Qe4 54.Ke4 Qb5–+) 0–1. Kaenel,Hansjuerg (2350) – Van der Vorm,Teun, Biel MTO op, 1992. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Be2)

9.b5 Qc7 10.Nc3 Re8 11.0-0 Nf8 12.Rc1 e5 13.c5 dc5 14.de5 N6d7 15.Ne4 Ne6 16.Nf6 Nf6 17.ef6 Bf8 18.bc6 bc6 19.Be5 Qa7 20.Qc2 Nc7 21.Rfd1 Nd5 22.Qc4 h5 23.Qh4 Bg4 24.Qg3 Re6 25.h3 Bf3 26.Bf3 Nf6 27.Bf6 Rf6 28.Bh5 Qe7 29.Bf3 Kg7 30.Qg4 Ra7 31.Rb1 Rb7 32.Rb7 Qb7 33.Qd7 Qb2 34.Qd2 Qb4 35.Qc2 Rd6 36.Rb1 Qa3 37.Qb2 Qb2 38.Rb2 Be7 39.Rb7 Bf6 40.Ra7 Bc3 41.Rc7 Kf6 42.Rc8 Bb4 43.Be2 Ke5 44.f4 Kd5 45.Bf3 Kc4 46.Rc6 Rc6 47.Bc6 Kd3 48.Kf2 Bd2 49.Bb5 c4 50.Kf3 f6 51.g4 Be3?? 52.Bc4!+- Kd4 53.Bf7 g5+= ½–½. Brauer,Christian (2130) – Haertig,Jens (2170), Oberliga Ost–A, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Be2 c6)

8.a4 Re8

9.0-0 Qc7 10.d5 (10.a5!?+=) 10...cd5 11.cd5 a5 12.ba5 Qa5 13.Nc3 Nc5 14.Nb5 Bf5 15.Bc3 Qb6 16.a5 Qd8 17.Nfd4 (better is 17.Bc4!?=) 17...Nd5–/+ 18.Bd2 Bd7 19.Rb1 Ne4 20.Be1 Bb5 21.Nb5 Ndc3 22.Nc3 Nc3 23.Bc3 Bc3 24.Rb7 Ra5 (< 24...Ba5 25.Bb5 Rf8 26.Bc6=) 25.Qb3 Bf6 ½–½. Mielke,Sven – Claas,Marco, Wichern op 4th, 1997.

9.0-0 e5 10.a5 e4 11.Nfd2 d5 12.Nc3 Nf8 13.Qb3 (better 13.cd5 cd5 14.b5+=) 13...Qc7 (better 13...dc4!? 14.Bc4 Be6+-) 14.cd5+- Ng4 (14...cd5 15.Nd5 Nd5 16.Qd5+-) 15.Bg4 Bg4 16.Nde4 (better 16.Nce4 cd5 17.Qd5+-) 16...Re4? (16...Rad8+-) 17.Ne4 cd5 (17...Rd8 18.dc6 Qc6 19.Nc5+-) 18.Qd5 Be6 19.Qc5 Qd7 20.f3 (20.Qg5 Bd5 21.Nc5 Ne6+-) 20...Rc8 (20...f5 21.Nf2+-) 21.Qa7 Rc2 (21...Bd5 22.Nc5 Qb5 23.a6 ba6 24.Qa6 (worse 24.Na6 Qe2 25.Nc7 Rc7 26.Qc7 Qb2+-; 24.Ra6 Qe2 25.Raa1 Ra8+=) 24...Rc5 25.dc5 (worse 25.bc5 Qb2 26.Qd3 Qb7+-) 25...Qa6 26.Ra6 Bb2 27.c6+-) 22.Rf2 Bd4 (22...Rf2 23.Nf2 Qb5+-) 23.Bd4 Qd6 24.Nd6 (24.Nd6 Rc6 25.Ne4+-) 1–0. GuestMSQW – GuestTCQF, freechess.org, 2018.

7.Be2 Ne4

8.0-0 a5 9.a3 (9.Qc2 Ndf6=) 9...b6 (9...Ndf6 10.Nbd2=) 10.Qc2 Bb7 11.Nc3 Nc3 12.Bc3 ab4 13.ab4 e6 (13...Nf6 14.Ra8 Qa8 15.Ra1+=) 14.Ra8 Ba8 15.Ra1 Bb7 16.Ra7 Qb8 17.Qa4 Nf6 18.Nd2 Ne4 19.Ne4 Be4 20.Qa6 c5 21.g3 cd4 (21...Bf6 22.f3 Ba8 23.Qa3=) 22.Bd4+/- Bd4 23.ed4 Qa7?? (better 23...Rd8+=) 24.Qa7+- Ra8 25.Qb6 Ra1 26.Bf1 White plans c5 26...Bd3 27.c5 Bf1 28.f3 Bc4 (28...Bh3 29.Kf2 Ra2 30.Ke3 Ra3 31.Ke4 dc5 32.dc5+-) 29.Kf2 d5 (29...Ra2 30.Ke1 Ra1 31.Kd2 Ra2 32.Kc3 d5+-) 30.c6 Ra6 (30...Ra2 31.Kg1 Ra1 32.Kg2 Ra2 33.Kh3 Bf1 34.Kg4 Kg7+-) 31.Qb8 Kg7 32.c7 (32.c7 Rc6 33.c8R Rc8 34.Qc8+-) 1-0. Vendelo – Erectus, internet, 2021.

8.0-0 c6 9.Nbd2 f5 10.Qb3 Ndf6 11.d5 a5 12.dc6 bc6 13.Ne4 fe4 14.Nd4 a4 15.Qc3 Bd7 16.b5 (16.c5 Qc8=) 16...c5 (16...a3!? 17.Ba3 c5+=) 17.Nc2= Rf7 18.Qd2 Be6 19.Rad1 Qc7 20.Na3 Nd7 21.Bg7 Kg7 22.Qc2 Nf6 23.Nb1 Bc8 24.Nc3 Bb7 25.Na4 e6 26.Nc3 d5 27.a4 Rd8 28.cd5 ed5 29.Qb3 (better is 29.f3!?+/–) 29...d4= 30.b6 Qe7? (better is 30...Qb8!?=) 31.Bc4+/– Rff8 32.Ne2 Qe5 33.Nf4 (33.ed4 cd4 34.Qg3 Qg3 35.hg3 d3+-) 33...Bc8 34.a5 g5 35.Ne6 Be6+= 36.Be6 Rd6 37.Bc4 Ng4 38.g3 Rh6 39.ed4 cd4 40.Be2 Nh2–/+ 41.Rc1? d3 42.Rc7 Kh8 43.Bd1 Nf1 44.Rf7 Rf7 45.Qf7 Rf6 46.Qa7 Qd4 (46...Qd4 47.Bf3 Rf3 48.Qb8 Kg7 49.Qc7 Rf7 50.Qf7 Kf7–+) 0–1. Batton,Thomas – Auer,Dieter, Verbandsliga Nord Baden, 2007. (=1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.Nf3 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

8.0-0 e5 9.Nfd2 Nd2 10.Nd2 Qe7 11.Qb3? (11.Bd3 a5 12.a3 Re8=) 11...h6?? (better is 11...ed4 12.Bg4 de3 13.Bg7 ef2 (13...ed2 14.Bf8 Nf8 15.Bc8 Rc8 16.Rad1+/–) 14.Rf2 Kg7–+) 12.Rae1 Kh7 13.f4 f5 14.c5 a5 15.a3 ab4+= 16.ab4 dc5 17.bc5 e4 18.Nc4 Nf6 19.Ne5 Be6= 20.Bc4 Bc4 21.Qc4 Nd7 22.Ra1 Be5 23.fe5+/– Ra1 24.Ba1 g5? 25.e6+- Nf6 26.d5 Ng4 27.Bd4 c6?? 28.d6 Qe8 29.e7 Rf7 30.Qe6 (30.Qe6 Nf2 31.d7 Qe7 32.Qe7 Re7 33.d8Q Rf7 34.Qh8 Kg6 35.Qg8 Rg7 36.Qg7 Kh5 37.Rf2 f4 38.Qf7 Kh4 39.Rf4 gf4 40.Bf6 Kg4 41.Qg6#) 1–0. ferminkatcho (1845) – malyrzeznik (1920), kurnik, 2012.

8.0-0 f5 9.Qc2 Ndf6 10.d5 (10.Nc3 b6+=) 10...c5= 11.dc6 bc6 12.c5 dc5 13.bc5 Qa5 14.Nbd2 Qc5 15.Qb3 Kh8 16.Rfc1 Qa5 (16...Nd2!? 17.Rc5 Nb3 18.ab3 Be6 19.Rc6 Bb3=) 17.Ne4+= Ne4 (17...fe4 18.Ne5+=) 18.Bg7 (18.Rc6 Bd7 19.Ra6 Qc7+/–) 18...Kg7+= 19.Rc6 Bd7 20.Ra6 Qc3 21.Rd1 Qb3 22.ab3 Rfd8 23.Bc4 Nc5 24.Ra5 Nb7 25.Raa1 Nd6 26.Bd5+/– Rab8 27.Ne5 Kf6 28.f4 Nb5 29.Ra6 Kg7 30.Bc4 Be8 31.Rd8 Rd8 32.Bb5 Bb5 33.Ra7 Rd1 34.Kf2 Kf6 35.Rb7 Rd2 36.Ke1+- Rd5 37.Rb6 Kg7 38.Nf3 Kf7? 39.Nd4 Bd3+/– 40.g3 e5 41.Rb7+- Kg8 42.Nc6 Rc5 43.Ne5 Be4 44.Rb8 Kg7 45.Nc4 Bd5 46.Rb4 Kf6 47.Kd2 Be4 48.Rb6 Ke7 49.Kc3 Kd7 50.Ra6 Bb7 51.Ra7 Kc7? 52.b4 Rc6 53.b5 Re6 54.Na5 Kb6 55.Rb7 Ka5 56.Kd4 Kb4 57.Rh7 Kb5 58.Rc7 Re4 59.Kd3 Kb6 60.Rc4 Re7 61.e4 1–0. Marchio,Enrico (2285) – Lahr,Marcus, Karl Mala Memorial op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

8.Qc2 f5 9.0-0 e5 10.de5 (10.c5 ed4 11.Nd4 A) 11...dc5? 12.Ne6 Bb2 13.Nd8 (13.Qb2?! Qf6 14.Qf6 Rf6 15.Nc7 Rb8+=) 13...Ba1 14.Ne6+-; B) 11...Ne5+-) 10...de5 11.c5 c6 (11...a5 12.a3+=) 12.Nbd2 Nd2 13.Qd2 (13.Nd2!? Qe7 14.Nc4+-) 13...e4+= 14.Bc4 Kh8 15.Bg7 Kg7 16.Qc3 Qf6 17.Nd4 Ne5 18.Rad1 Bd7 19.Ne2 Rad8? (better 19...Rfe8!?+=) 20.Rd6+- Qe7 21.Be6 (better 21.Rfd1 Rf6 22.Rf6 Qf6 23.Rd6+-) 21...Be6= 22.Qe5 Kf7 23.Rfd1 Bd5 24.R1d5 cd5 25.Qd5 Ke8 26.Nd4 Rd6 27.cd6 Qd7 28.Nb5 Kd8 (better 28...Qf7!? 29.Qc5 Qa2+=) 29.Na7+- Rf6 (better 29...Qf7!? 30.Qc5 Kd7+-) 30.Nb5+- Re6 (30...Qf7 31.Qd4 g5 32.Na3+-) 31.h3 Kc8 (31...Rf6 32.a4+-) 32.a4 Re8 (32...Rf6+-) 33.Qc5 Kd8 34.Qb6 Kc8 35.Qc5 (better 35.a5!? Re6 36.a6 ba6 37.Na7 Qa7 38.Qa7 Rd6 39.Qh7 Kd8+-) 35...Kd8 36.Nd4 (better 36.Nc7+-) 36...Rf8 37.Qd5 Rf6 38.Nb5 1–0. Ugrenovic,B (2235) – Iskos,A (2150), European Amateur U2300, 2018. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Be2 Ne4)

8.Nbd2 Nd2 9.Qd2 e5 10.de5 de5 11.c5 Qe7 12.0-0 Re8 13.e4 Nf8 14.h3 Rd8 15.Qc2 f6 16.Rfd1 Be6 17.a4 Qf7 18.Ra3 Bh6 19.b5 g5 20.a5 Ng6 21.Rd8 Rd8 22.Rd3 Rc8 23.Qd1 Nf4 24.Rd8 Rd8+= 25.Qd8 Qf8 26.Qd2? g4–+ 27.Qc2 Ne2 28.Qe2 gf3 29.Qf3 Bg7 30.Ba3 Qd8 31.Qe2 Qd4 32.Qh5 Bf7 33.Qf3 h6 34.Qf5 Qc4 35.Qf3?? Qe6 36.Qe2 Qd7 37.Qc2? Be8 38.b6 cb6 39.cb6 a6 40.Qc5 Bh5 41.f3 Be8 42.Kh2 Kh7 43.Bb4 Qf7 44.f4? ef4 45.Bd2 Qg6 46.Qc4 Qg3 47.Kh1 f3 48.gf3 Qh3 49.Kg1 Qg3 50.Kf1 0–1. Olheiser,Gordon (1915) – Twesigye,Derick Joshua, Canadian Open, Toronto CAN, 2010. (=1.Nf3 Nf6 2.d4 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Be2 Nbd7 7.Bb2)

8.Bd3 Nef6+=.

8.Nc3 Nc3

9.Bc3 c5 10.0-0 b6 11.Qd2 cb4 12.Bb4 Bb7 13.a4 Nf6 14.a5 +=. Rudenkov – Anishchenko, Minsk 1961.

9.Bc3 c5 10.0-0 Qc7+=.

9.Bc3 c5 10.Qb3 b6 11.0-0 cb4 12.Bb4 (12.Qb4 Nf6+=) 12...Bb7= 13.a4 (13.Rfc1 Qc7=) 13...Nf6 (13...Rb8 14.Bc3=) 14.a5+= ba5 (14...Be4 15.Nd2 Bf5 16.ab6 Qb6 17.Qa3+=) 15.Ba5 (15.Ra5 Qd7+=) 15...Qd7 16.Rac1 (16.Rfb1 Rfb8+=) 16...Rab8 (16...Rfc8 17.Rfd1=) 17.Qa2 Rfc8 18.Rfd1 Ba6 (18...Ne4 19.Ra1=) 19.Bc3+= Bb7 (19...Qc6 20.Nd2 Bb7 21.d5+/–) 20.d5 (20.Qa7 Ne4 21.Ba5 Nf6+/–) 20...a6= 21.Bd3 (21.Bd4 Ne4=) 21...Qe8 (21...Qg4 22.Bd4=) 22.e4+= Nd7 23.Bg7 Kg7 24.Qa1 Kg8 25.e5 Nc5 26.Bc2 Qd8 27.Qd4 a5 28.Qh4 h5 29.e6!+- Qf8 30.Qg5 Kg7? 31.Nh4+- Ba6 32.Ng6! Qd8 33.Ne5 Kf8 34.Bh7 (34.Bh7 de5 35.Qg8) 1–0. Fischbach,Rainer – Coope,Derek W, corr ICCF–Cup8 V170, 1990.

8.Nbd2 f5

9.0-0c5 10.Qb3 cb4 11.Ne4 fe4 12.Ng5 (12.c5!? e6 13.Qe6 Kh8 14.Qe4 dc5 15.Rfd1+/–) 12...Nf6= 13.c5 d5 14.Qb4 h6 15.Nh3 Bh3 16.gh3 Qc7 17.Kh1 Kh7 18.Rg1 Rg8 (18...Rab8 19.Rg2 b6 20.Ba3+=) 19.Rg3+= Bh8 20.Rag1 Nh5 (20...Raf8!?+=) 21.Bh5+= gh5 22.a4 h4 23.Rg4 Rg4 24.Rg4 Bf6 25.Ba3 Rg8 26.Qe1 Rg4 27.hg4= Qd7 28.Qd1 h3 29.Bc1 Bh4 30.f3 Qe6 31.f4 h5 32.gh5 Kh6 33.Qg1 Kh5 34.Bd2 Qg4 35.Qg4?? Kg4–+ 36.Bb4 e6 37.Kg1 a6 (37...a6 38.Bd2 Kf3–+) 0–1. bluepiramid2 (1660) – dragage (1815), kurnik, 2012.

9.Qb3 Nd2 10.Nd2 e5 11.de5 de5 12.0-0 c5 13.a3 Qe7 14.Rad1 b6 15.Nb1 Bb7 16.Nc3 Qg5 17.Nd5 f4 (17...cb4!? 18.ab4 Rfd8+=) 18.ef4+/– ef4 19.Bf3 (better is 19.Bg7!? Kg7 20.Nf4 Qf4 21.Rd7 Rf7 22.Rb7 Rb7 23.Bf3+-) 19...Bb2+= 20.Qb2 Ne5 21.Qc3 cb4 22.ab4 Nf3 23.Qf3 Rf7 24.Rfe1 Rc8 25.Re4 b5 26.h4 Qh4 27.c5 Qg5 28.Qb3 f3 29.Rg4?? (better is 29.g3=) 29...Bd5–+ 30.Rg5 Bb3 31.gf3 (31.Rd3 Bc2 32.Rc3–+) 31…Bd1 0–1. Racsko,Gyula – Korte,Markus (2230), Eger op, 1992. (=1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 Nbd7 7.Be2)

7.Be2 e6

8.0-0 b6 9.Nc3 Bb7 10.Qb3 Qe7 11.a4 a5 12.b5 Rfe8 13.Rfd1 e5 14.d5 Nc5 15.Qc2 Rf8 16.Rac1 Rae8 17.Nd2 Nfd7 18.e4 f5 19.ef5 gf5 20.Bh5 Rd8 21.Nf3 Bh6 22.Ra1? (better is 22.Nd2+=) 22...Nf6–+ 23.Qf5 Bc8 24.Qc2 Nh5 25.Ra3 (25.Bc1 Bc1 26.Rdc1–+) 25...Bf5 26.Qe2 Nf4 27.Qf1 Ncd3 28.Bc1 (28.Ba1–+) 28...Nc1 29.Rc1 Qg7 30.Rc2 0–1. Graf,Michael (1900) – Hirneise,Tobias (2320), Staufer op, 2008.

8.0-0 c5+=.

8.0-0 Re8+=.

8.Nc3 c5 9.a3+=.

8.Nc3 e5 9.0-0+=.

8.Nc3 Re8 9.0-0 e5 10.d5 (10.a3 a5+=) 10...e4 11.Nd2 (11.Nd4 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Ne5+=) 11...Nf8 12.Qc2 Bf5 (12...a5 13.a3+=) 13.Rfd1 h5 (13...Qe7 14.Nb3+=) 14.Nb3+/– N8h7 (14...Bg4 15.Bg4 Ng4 16.h3+/–) 15.c5 (15.Nd4 Bg4+=) 15...Ng4 (15...Qe7 16.Bb5 Bd7 17.Bd7 Qd7 18.Na5+/–) 16.Bb5 (better is 16.h3 Ngf6 17.Nd4+/–) 16...Qh4? (better is 16...Bd7+/–) 17.h3+- Ng5 18.Kf1 Ne5 19.Nd4 Rec8 20.Nf5 gf5 21.Re1 a6 22.Ba4 Nd3 23.Bd7= Ne1 24.Ke1 Nh7 25.Bf5+/– Re8? 26.Be4?? Re4+= 27.g3 Qe7 28.Rd1?? Rb4–+ 29.Ba3 Rc4 30.cd6 cd6 31.Bb2 Rac8 32.Rc1 Qc7 33.Kd2 Bc3 34.Bc3 Rc3! 35.Qc3 Qc3 36.Rc3 Rc3 37.Kc3 Kf8 38.Kb4? b6 39.f4 Ke7 40.e4 Nf6 41.e5 de5 42.fe5 Nd5 43.Kc4 Nc7 44.Kd4 Ke6 45.Ke4 Nb5 46.g4 hg4 (46...hg4 47.h4 Nc3 48.Kf4 Na2–+) 0–1. Botsaris,Harry Dimitris (2160) – Andreou,Andreas, Battle of Creta 6th, 1996.

8.Nc3 h6 9.0-0 Nh7 (9...b6 10.Qc2+=) 10.c5 d5 11.Qc2 c6 12.e4 f5 (12...Ng5 13.Ng5 hg5 14.Rfd1+-) 13.e5 g5 (13...Ng5 14.Ng5 hg5 15.b5+-) 14.Ne1 Kh8 (better 14...g4+-) 15.Nd3 Rg8 16.Qa4 Ndf8 17.Bh5 Bd7 18.Bf7 Qe7 19.Bg8 Kg8 20.f3 f4 21.b5 Ng6 22.bc6 bc6 (22...Bc6 23.Qa5+-) 23.Rab1 Nh4 24.Bc1 Nf5 25.Bd2 Nf8 26.Rb7 Qf7 27.Rfb1 Ne3 (27...Qg6+-) 28.Be3 (28.Ra7?! Ra7 29.Qa7 Qf5+-) 28...fe3 29.Qc2 Qg6 30.Qe2 Bc8 31.Rc7 Ba6 32.Rd1 h5 (32...Bd3 33.Qd3 Rb8 34.Qe3+-) 33.Rc6 Bc4 34.Qe3 Rb8 35.Rc7 a6 (35...Bh6 36.c6+-) 36.c6 Rb6 (36...Bh6 37.Nc5 g4 38.f4+-) 37.Rc8 Kh7 (37...a5 38.Na4 Rc6 39.Rc6+-) 38.c7 Rc6 (38...Qf7 39.Nc5 Kg6 40.Rf8 Qc7+-) 39.Nb4 Rb6 (39...Rc7 40.Rc7 g4 41.Nc6+-) 40.Rb8 Qf7 41.c8Q Rb8 42.Qb8 a5 43.Nc6 a4 44.Qg5 1–0. Pierre – Tybling, internet, 2019.

8.Nbd2 a5 9.b5=.

8.Nbd2 d5 9.c5 c6 10.a4 Qc7 11.Qc2 Ne8 (11...b6 12.0-0+=) 12.h4 (12.0-0 Nef6+/–) 12...h5 (12...e5 13.de5 Ne5 14.Ne5 Be5 15.h5+=) 13.Ng5 (13.0-0 Nef6+=) 13...e5 (13...Nef6!?+=) 14.Bh5+/– e4 (14...Ndf6 15.Be2 ed4 16.Bd4+/–) 15.Be2 Ndf6 16.b5 (16.Qd1 b6+/–) 16...Qe7 (16...Bg4 17.Bf1+/–) 17.Nb3 (17.Nh3 Nc7+/–) 17...Nc7 (17...Bg4 18.Rb1+/–) 18.Na5 Qd7 19.Qb3 Ne6 (19...Rd8 20.b6 ab6 21.Qb6+/–) 20.Nh3 (20.Ne6 fe6 21.bc6 bc6+/–) 20...Nd8 (20...Qc7 21.Qc3+/–) 21.Qb4 Bh6 22.Bc3 Ng4 23.Bd2 Qe7 24.g3 Nf6 25.0-0-0 Bg4 26.Ng1 Be2 27.Ne2 cb5 28.ab5 Ng4 29.Rdf1 b6 30.Nb3 bc5 31.dc5 Ne6 32.Kb1 Rfc8 33.f4 ef3 34.Qg4 fe2–+ 35.Qe2 Nc5 36.Nd4 ½–½. Sticker,Otto – Bittner,Patrick, Baden–ch HT Zell, 1993.

8.Nbd2 Qe7 9.Rc1 (9.0-0 e5+=) 9...e5 10.Nb3 (10.0-0 Re8=) 10...e4 (10...ed4 11.Nbd4 Ne4 12.Rb1=) 11.Nfd2 c5 12.bc5 dc5 13.Ba3 (13.dc5 a5+=) 13...b6= 14.Qc2 h5 (14...Rd8 15.Rd1=) 15.Nb1 (15.0-0 h4=) 15...Bb7= 16.Nc3 Rac8 (16...Rad8 17.dc5 Nc5 18.Nc5 bc5 19.0-0=) 17.Rb1 (17.Rd1 h4=) 17...Ba8 (17...h4 18.d5=) 18.h3 (18.0-0 Rcd8+=) 18...Rfe8 (18...Ne8 19.0-0+=) 19.0-0 a6 (19...g5 20.d5+=) 20.Rfd1 Qe6 (20...Bf8 21.Nd2+=) 21.dc5 (21.d5 Qe7+-) 21...bc5+= 22.Na4 Bf8 23.Rd2 Qf5 (23...Qc6 24.Nc3+=) 24.Qd1 (24.Qc3 Be7+-) 24...Rb8+= 25.g4 (25.Bb2 Rec8+=) 25...Qe6 (25...hg4 26.Bg4 Qg5 27.Rd7=+) 26.g5 (26.Nac5 Nc5 27.Nc5 Rb1 28.Qb1 Bc5 29.Bc5 hg4+=) 26...Qh3 (26...Bc6 27.Bc5 (worse 27.gf6 Ba4 28.Qf1 Bb3 29.Rb3 Nf6–/+; 27.Nac5?! Qh3 28.Bf1 Qf5 29.gf6 Nc5=) 27...Qh3 A) 28.gf6 Re5 (28...Ba4?! 29.Bf8 Kf8 30.Rd6=+) 29.Bg4 Rg5 (29...Qg4?! 30.Qg4 hg4 31.Bf8 Kf8 32.Nc3=) 30.Rd7 Rg4 (30...Qg4?! 31.Qg4 Rg4 32.Kh2 Bd7 33.Bf8 Ba4 34.Bd6–+) 31.Qg4 Qg4 32.Kf1 Bd7–+; B) 28.Bf8 Nf8 B1) 29.gf6 Re5 (29...Ba4?! 30.Rd5=) 30.Rd5 Bd5 31.Qd5 Rd5 32.cd5 Re8–+; B2) 29.Bf1=) 27.gf6?? (better 27.Bf1 Qg4 28.Qg4 Ng4 29.Rd7= (29.Nac5?? Nc5 30.Bc5 Bc5–+)) 27…Re5–+ (27...Re5 28.Bg4 Rg5–+) 0–1. Govciyan,P (2415) – Babaev,Ra (2440), 7th Rohde Open, Sautron FRA (7), 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 e6)

8.0-0 Qe7

9.b5 e5 10.a4 e4 11.Nfd2 Re8 12.Nc3 h5 (12...a6 13.Qc2+=) 13.a5 Nf8 14.c5 (14.Qb3 h4+=) 14...d5 (14...dc5 15.Ba3 N8d7 16.Qc2=) 15.c6 bc6 16.bc6 h4 17.Ba3 Qe6? (better 17...Qd8+=) 18.Nb5+- Re7 19.Be7 Qe7 20.Qb3 a6 (20...Rb8 21.Qc2 Bg4 22.Bg4 Ng4 23.Rfb1+- (23.Na7 Qd6 24.g3 hg3 25.Ne4 gh2 26.Kh1 de4-/+)) 21.Nc3 (better 21.Na7! Bg4 22.Bg4 Ng4+-) 21...Qe6 22.Rab1 (22.Qa4 h3+-) 22...N8h7 (22...Qc6 23.f3 Bh6 24.Na2+/-) 23.Na4 (23.Qa4 Ng5+-) 23...h3 24.g3 Ng5 (24...Qc6 25.Rfc1 Qd7 26.Nc5+-) 25.Nc5 (25.Rfc1 Bf8+-) 25...Qf5 (25...Qc6!? 26.Qc3 Qd6+-) 26.Qc2 Bf8 27.Rb7! Bd6 (27...Bb7 28.cb7 Double attack (28.cb7 Passed pawn)) 28.Rfb1 (28.Rb3!? Kh7+-) 28...Ng4+/- 29.Bg4 Qg4 30.Qd1 (30.Rb8 Rb8 31.Rb8 Bc5 32.dc5 Kh7+/-) 30...Qf5? (better 30...Qd1!? 31.Rd1 Bb7 32.cb7 Rb8+/-) 31.Rb8 (31.R7b2 Bc5 32.dc5 Qe6+/-) 31...Rb8 32.Rb8 Kg7 33.Nb7 (better 33.Ncb3+-) 33...Bb4= 34.g4 Nf3?? (better 34...Qg4 35.Qg4 Bg4-+) 35.Qf3+- Qe6 (35...Qf3 36.Nf3 Bg4+-) 36.Qf4 (better 36.Nd8 ef3 37.Ne6 Be6 38.Rb4+-) 36...Bd2 37.Nc5 (37.g5!? Qg4 38.Qg4 Bg4+-) 37...Qg4 38.Qg4 Bg4 39.Na6 Ba5 40.Rb7 Bc8? (40...Bb6 41.Nc7 Bc7 42.Rc7+-) 41.Ra7 (better 41.Nc7 Bc7 42.Rc7+-) 41...Ba6 42.Ra6 Bb4 43.Ra7 Bd6 44.Ra8 Kf6 45.Rd8 Ke6 46.Rd7 (46.Rh8 f5+/-) 46...f5 (better 46...g5=) 47.Rg7 Kf6 48.Rh7 g5 Black prepares f4 (48...f4 49.ef4 Bf4 50.Rh3+/-) 49.Rh3 (better 49.Rh6 Ke7 50.Rh3+-) 49...f4? (better 49...Kg7+/-) 50.Rh6+- Ke7 51.Rg6 f3 (51...Ba3+-) 52.Rg5 Kf6 (52...Ke6 53.Rg6 Ke7 54.h4+-) 53.Rg4 (better 53.h4 Bb4+-) 53...Ke6 (53...Be7+-) 54.h4 (54.h4 Bb4 55.Rg7+-) 1-0. vroeli (2810) - Banjovi (2725), Rated Bullet game, lichess.org, 2021. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.e3 g6 3.d4 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 Nbd7 7.Be2)

9.Qc2 b6 10.Nc3 Bb7 11.Rfd1 Rfc8 12.h3 c5 13.dc5 bc5 (13...dc5 14.b5+=) 14.b5+= Rd8 15.a4 d5 16.a5 Rab8 17.Na4 (17.b6 ab6 18.a6 Bc6+=) 17...Ne4 18.Bg7 Kg7 19.Nc3 Ndf6 20.Ne4 Ne4 21.Bd3 Nf6 22.Ne5 Qd6 23.Qb2 d4 24.ed4 cd4 25.Re1 Nh5 26.Qc1 Rbc8 27.Bf1 Nf6 28.Qf4 Rc5 29.Bd3 Rd7 30.Rac1 Re7 31.Ng6 (31.Qh2 Nh5 32.Bf1 Nf6=) 31...e5+= 32.Ne5 Ree5 33.Qg3 Kh6 34.Re5 Qe5 (worse is 34...Re5 35.c5 Qd5 36.c6+=) 35.Qe5 Re5 36.c5 Nd5 (36...Be4!? 37.Re1 Bd3 38.Re5 Bb5=) 37.c6= Bc8 38.Rc5 Kg7 (better is 38...Rg5!?=) 39.f4+/– Re1 (39...Re3!? 40.Rd5 Rd3+/–) 40.Kf2+- Nf4 (40...Re3 41.Rd5 Rd3 42.Rd8 Rd2 43.Ke1+-) 41.Rg5 (41.Rg5 Kf6 42.Ke1 Nd3 43.Kd2+-) 1–0. Smet,Marc (2125) – Hyllengren,Anders, Belgium – Sweden, 2008. (=1.Nf3 Nf6 2.d4 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.c4 Nbd7 7.Be2)

9.Nc3 c5 10.a3+=.

9.Nc3 c6 10.a4 (10.e4 d5 11.e5 Ne4+=) 10...e5 11.Qb3 e4 (11...Re8 12.a5+=) 12.Nd2 Re8 13.Rfe1 h5 (13...a5 14.ba5 Ra5 15.Rab1=) 14.a5 a6 (14...h4 15.a6+=) 15.f3 ef3 16.Bf3 Nf8 (16...Rb8 17.Nde4+=) 17.d5 (17.Re2 Bg4+/–) 17...Bg4+= 18.Nce4 Bf3 (18...Ne4 19.Be4 Bb2 20.Qb2+=) 19.Bf6 (19.Nf6 Bf6 20.Bf6 Qf6 21.Nf3 cd5 22.cd5 Rac8+=) 19...Bf6 20.Nf6 Qf6 21.gf3 (21.Nf3!? cd5 22.cd5+=) 21...cd5= 22.cd5 Rac8 23.Ne4 (better is 23.Ra3!?=) 23...Qf3–/+ 24.Nd2 Qh3 25.Re2 Nh7 26.Rf1 Ng5 27.Qd3 Re5 28.Rfe1 (28.Rg2 Re3 29.Qd4 Nf3 30.Nf3 Rf3–+) 28...Rce8 (28...Qg4 29.Kh1 Nh3 30.b5–+) 29.b5 (29.Kh1 Ne4 30.Ne4 Re4–+) 29...ab5 (29...Nf3!? 30.Nf3 Qf3 31.Rf2 Rg5 32.Kf1 Qd5 33.Qd5 Rd5 34.Rb2–+) 30.Qb5 (30.Kh1 b4–+) 30...Nf3 31.Nf3 Qf3 The# threat is Rg5 32.Rg2 Qd5 33.Qd5 Rd5 34.Rb2 (34.Ra2 Ree5 35.Rb1 Re3 36.Rb7 Rg5 37.Kf2 Rh3–+) 34...Re7 (34...Ra5 35.Rb7 Ra2 36.Rd7–+) 35.Rb6 (35.Ra1 Rc5–+) 35...Ra5 36.Rd6 0–1. Serrano – Nikcevic,Nebojsa, St.Cugat, 1993.

7.Be2 Qe8

8.0-0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 e5 12.Nc3 White intends d5 12...Qe7 13.Qb3 Re8 14.d5 (14.Bb2 ed4 15.ed4 Nb6=) 14...Nf8 (14...c5 15.Bb2=) 15.Bb2 e4 (15...Bf5 16.Ra1+=) 16.Nd4+- Bg4 17.h3 (17.Ra1 Be2 18.Nce2 Ng4+=) 17...Be2= 18.Nce2 h5 (18...Ra8!?=) 19.Ra1+- N8h7 (19...N8d7 20.Nf4+-) 20.Ra7 Rb8 21.Qa4 h4 (better 21...Nd7!?+-) 22.Rb7!+- Rb7 23.Qa8 Qe8 24.Qb7 Qd7 (24...Qa4 25.Nc3 Qd7 26.Nc6+-) 25.Nb5 Ne8 26.Bg7 Kg7 27.Ned4 Ng5 28.Kh2 (28.Nc6 Nh3 29.gh3 Qh3 30.Nc7 Qg4 31.Kh2 Qf3 32.Ne6 Kh6=+) 28...Qe7? (better 28...Qd8+-) 29.Qc8 Qe5 (29...f6 30.Nc6 Qf7 31.Qg4+-) 30.Kg1 Qe7 (30...Nh7 31.Nc7 Nc7 32.Qc7+-) 31.Nc6 Qf6 32.Nbd4 (32.Qe8?! Qa1 33.Kh2 Qf1=; 32.Nc7?! Qa1 33.Kh2 Nc7+=) 32...Kf8 33.Qd7 (33.Nb8 Qh8+-) 33...Nh7 34.Kf1 (34.Qg4 Ng5+-) 34...Ng5 (34...Qg5 35.Nb5 Qf6 36.Ncd4+- (36.Nc7?! Qa1 37.Ke2 Qb2 38.Kd1 Qa1 39.Kc2 Qa2 40.Kc1 Qa3 41.Kd2 Qb2 42.Ke1 Qc3 43.Kf1 Qc1 44.Ke2 Qc2 45.Ke1 Qc3 46.Kf1 Qc1 47.Ke2 Qc2 48.Ke1 Qc3=)) 35.Qg4 Nh7 36.Qe4 Qg5 37.Nf3 Qf6 38.Qh4 Qa1 39.Ne1 Kg7 (39...Nef6 40.Qd4 Qb1 41.Qc3+-) 40.Qd4 Qd4 41.Nd4 Kf6 (41...Nhf6 42.Ke2+-) 42.Nd3 1–0. Batchelor,Guy J (1845) – Roads,Philip E (1725), E2e4. Org. uk High Wycombe U, 2013.

8.0-0 e5 9.a3 Qe7 10.Nc3 e4 11.Nd2 Re8 12.Rc1 Nf8 13.Nd5 Qd8 (13...Nd5 14.cd5 Qg5 15.Kh1=) 14.Nf6+= Qf6 15.Qc2 Bf5 16.Rb1 h5 (16...Qg5 17.Kh1=) 17.d5+= Nh7?? (better 17...Qg5 18.Rfc1 Bb2 19.Rb2 h4+=) 18.Bf6+- Nf6 19.Nb3 1-0. monsienne (2410) - Oburg007 (2440), Rated bullet game, lichess.org, 2022. (=1.Nf3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.c4 g6 3.e3 Bg7 4.d4 0-0 5.b4 d6 6.Bb2 Nbd7 7.Be2)

8.Nbd2 e5 9.de5 de5 10.c5 e4 11.Nd4 Ne5 12.Qc2 Bg4 13.Ne4 Ne4 14.Qe4 Be2 15.Ne2 Rd8 16.Be5 Be5 17.Rc1 Bb2 18.Qe8 Rfe8 19.Rb1 Bf6 20.Ng3 Bc3 21.Ke2 Rd2 22.Kf3 Ra2 23.Rhd1 Be5 24.Rd7 Rc2 25.Ne4 h6 26.g4 Kf8 27.h4 Re7 28.Rd8 Kg7 29.g5 h5 30.Ra8 a6 31.Rd1 f5 32.gf6 Bf6 33.Nf6 Kf6 34.Rd4 Kg7 35.Rf4 c6 36.Kg3 Rd2 37.Kf3 Rc2 ½–½. Matlak,Marek – Wolff,Patrick G (2225), Wch U20 Kiljava, 1984. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

8.Nc3 c6

9.0-0 Ng4 10.Nd2 Nh6 11.b5 f5 12.bc6 bc6 13.Bf3 Nf6 14.Ba3 g5 15.g3 (15.Rb1 g4 16.Be2 f4 17.ef4 Nh5+=) 15...f4= 16.Bg2 Bg4 17.Nf3 (17.Qa4 Bd7+=) 17...Qh5= 18.ef4 gf4 19.Qd3 fg3 20.fg3 Bf3 21.Rf3 (better is 21.Bf3!? Nfg4 22.h4+=) 21...Nfg4–/+ 22.h4 (22.Rf8 Rf8 23.h4 Nf5–+) 22...Rf3–+ 23.Bf3 Nf5 (23...Qf5!? 24.Qf5 Bd4 (worse is 24...Nf5 25.Bg4 Bd4 26.Kh2 Bc3 27.Rc1+/–) 25.Kg2 Nf5 26.Bg4 Ne3 27.Kh3 Bc3 28.Be6 Kg7–/+) 24.Ne2+= Nd4 25.Nd4 Qe5 26.Bc6 Ne3?? (26...Qd4 27.Qd4 Bd4 28.Kh1 Rf8 (28...Ba1?! 29.Ba8 Bd4 30.Bd5 Kg7 31.Bc1=) 29.Bd5 Kg7–/+) 27.Kh2 (better is 27.Ne2!? Qa1 28.Bc1+-) 27...Rf8= 28.Nf3 Ng4 29.Kh3 Nf2 30.Kg2 Nd3 31.Ne5 Be5 32.Rd1 Nc5 33.Bf3 Nd7 34.Rb1 Nb6 35.c5+/– dc5 36.Bc5 Rc8 37.Be7 Rc2 38.Kh3 Kf7 39.Bg5 Kg7 40.Rb5 Bd4 41.Ra5 Nc4 42.Rd5+- Bc3?? 43.Rd7 Kf8 44.Bh6 Ke8 45.Bc6 Na3 46.Ra7 (46.Ra7 Kd8 47.Ra3+-; 46.Rh7 Kd8 47.Bg5 Bf6 48.Bf6 Kc8 49.Bb7 Kb8 50.Be5 Rc7 51.Ba6 Ka8 52.Rh8 Rc8 53.Rc8) 1–0. Dragomarezkij,E (2360) – Kovtunenko,A (2180), Moscow RUS, Victory Day Open, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 Qe8)

9.0-0 h6 10.Qb3 Kh8 11.d5 c5 12.a3 Qd8 13.e4 b6 14.Rfe1 Nh5 15.Bf1 e5 (15...a6 16.Bd3+=) 16.de6+/– fe6 17.Nb5 Bb2 (17...Ne5!? 18.Ne5 de5+/–) 18.Qb2+- Kh7 19.Qc3 (19.Nd6 Nf4+-) 19...Ndf6 20.Rad1 cb4 21.ab4 d5 22.cd5 ed5 23.e5 Ne4?? (better is 23...Ne8+-) 24.Re4! de4 25.Rd8 Rd8 26.Nfd4 Bg4 27.Nd6 a5 28.Qc7 Rd7 (28...Ng7 29.h3 Bd7 30.Ne4+-) 29.Qb6 (29.Qc6 Raa7+-) 29...a4 (29...ab4 30.f3 ef3 31.gf3+-) 30.f3 ef3 31.gf3 Bf3 32.Nf3 a3 33.Qc6 Rda7 34.Bc4 (better is 34.Qc1!? a2 35.Qa1 Ra3+-) 34...a2 35.Ba2! Ra2 36.Qc7 (36.b5!? Ra1 37.Kg2 R1a2 38.Kh3 Rf8 39.Qd7 Ng7+-) 36...Ng7 37.b5 R8a7 38.Qc6 Nh5 (38...Rb2 39.Qc1 Raa2+-) 39.b6 Ra1 40.Kf2 R1a2 41.Ke3 R7a3 42.Kd4 Ra4 43.Nc4 Ng7 44.Qc7 (44.b7 Rb4 45.Kc5 Rb1+-) 44...Ra1 (44...Rc2 45.Kd3 Rc1+-) 45.b7 Rd1 46.Ke3 Rc1 (46...Rb1 47.Nfd2 Rb5 48.Nb6+-) 47.Nfd2 (47.b8Q Rac4 48.Qf7 R4c3 49.Kf2 Rf3 50.Qf3 Rc2 51.Ke1 Rh2 52.Qf7 Re2 53.Ke2 h5 54.Qbe8 g5 55.Qg6#) 47...Rc3 (47...Rb4 48.b8Q Rb8 49.Qb8+-) 48.Ke2 Rh3 1–0. Dobrzhanskaia,Irina – Briukhovich,Alexandr, Kiev, 2002. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.c4 Nbd7 7.Be2)

9.a4 e5 10.a5 Nh5 11.de5 de5 12.Nd2 f5 13.c5 Ndf6 14.Nc4 Be6 15.Ne5 Nd5 16.Nd5 Bd5 17.f4 Bg2 (better is 17...Nf6!? 18.0-0 Rd8+/–) 18.Rg1+- Rd8 19.Qc1 Bh3 20.Bh5 gh5 21.Qc3 Bg4 22.h3 Qe7 23.hg4 Qh4 24.Kf1 fg4?? (24...Qh3 25.Kf2 Qh4 26.Rg3 fg4 27.Qb3 Kh8 28.Rd1 Rd1 29.Qd1 Qh2 30.Rg2 Qh4 31.Ke2+-) 25.Qc4 (better is 25.Ng4 Rf4 26.ef4 Bc3 27.Nh6 Kf8 28.Rg8 Ke7 29.Nf5 Kf7 30.Nh4 Rg8 31.Bc3+-) 25...Kh8 26.Bd4 Rd5 27.Ke2 Qh2 28.Kd3 Be5 29.fe5 Rf2 30.e6 Kg8 31.Rh1 Qg2 32.Rag1 Qf3 33.Kc3 Qe4 34.Rc1 g3 35.Qd3 Qe6? 36.e4 Rg5 37.Bf2 gf2 38.Qd8 (38.Qd8 Kf7 39.Qg5 Qe4 40.Qh5 Kg8 41.Qg5 Qg6 42.Qd8 Kg7 43.Qc7 Kh8 44.Qb7 Qf6 45.Kb3+-) 1–0. Krnic,Zdenko (2450) – Bancel,Gerard, Lyon op, 1990. (=1.Nf3 d6 2.d4 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 Nbd7 6.e3 0-0 7.Be2)

7.Be2 Re8

8.0-0 a6 9.Nc3 e5 10.a4 Qe7 11.Qb3 c6 12.b5 ed4 13.ed4 Ne4 14.Rfe1 Nf2? (better 14...f5+=) 15.Kf2 Qe3 16.Kf1 Bd4 (16...Qf4 17.Bd3 Re6 18.Re6 fe6 19.c5+-) 17.Nd4 Qd4 18.Qd1 (better 18.Ne4! Qe4 19.Bf3 Qe1 20.Re1 Re1 21.Ke1 ab5 22.cb5 cb5 23.Qb5 h5+-) 18...Qf4 19.Kg1 Nc5 20.Rf1 Qe3 21.Kh1 Bf5 22.Qd6 Nb3 (22...Re6 23.Qd1+-) 23.Rad1 Bc2 (23...ab5 24.cb5 Be6 25.Bf3+-) 24.Rf3 (better 24.Qf6 Qe6 25.Nd5 Qf6 26.Nf6 Kf8 27.Nh7 Kg8 28.Nf6 Kf8 29.Nd7 Kg8 30.ba6 Bd1 31.Nf6 Kf8 32.Ba3 Kg7 33.Ne8 Re8 34.Bb2 Kh7+-) 24...Qg5? (24...Qe7 25.Qe7 Re7 26.Rd6+-) 25.Rdf1 (25.Qc7!? Rf8 26.Rdf1 Qd8 27.Rf7 Qc7 28.Rc7 Rf1 29.Bf1 Re8+-) 25...Rad8 (25...Re6 26.Qa3 Rf8 27.R3f2+-) 26.Qc7 f5 (26...Bf5 27.Qb7 Qd2+-) 27.Nd5! (27.Nd5 Nd4 28.Bd4+-) 1-0. jhonores (2270) - TheLightning_2021 (2335), Rated Blitz game, lichess.org, 2020.

8.0-0 c5 9.bc5 dc5 10.d5 b6 (10...Qb6 11.Qc2+=) 11.Qc2+- Qc7 (11...Bb7 12.Nc3+-) 12.Nc3 (12.h3 b5+-) 12...a6 (12...Bb7 13.Rab1+-) 13.Rab1 Rb8 (13...Bb7 14.Rfd1+-) 14.h3 Ne5 (14...Bb7 15.Rfd1+-) 15.Nd2 Bf5? (better 15...Bb7!?+-) 16.e4+- Bc8 17.f4 Ned7 18.e5 Nh5 19.Nce4 f5 (19...b5 20.d6 Qb6 21.Bh5 gh5 22.Qd1 ed6 23.Nd6+-) 20.ef6! Ndf6 (20...Ndf6 21.Be5 Combination; 20...ef6 21.Bh5 Decoy; 20...Bf6 21.Nf6 Double attack; 20...Nhf6 21.Ng5 Combination) 21.Be5 Qb7 (better 21...Qa7+-) 22.g4 (worse 22.Bb8 Qb8 23.Bh5 Nh5+-) 22...Ne4 23.Ne4 (23.Qe4?! Ng3 24.Qe3 Nf1 25.Rf1 e6=) 23...Be5 (23...Nf6 24.Nc5! Qa7 25.Bb8 Qb8+-) 24.fe5 Ng7 25.Ng5 b5 (25...Qc7 26.Qc3 e6 27.d6+-) 26.cb5 ab5 (26...Qc7 27.Qe4 (27.ba6?! Rb1 28.Rb1 c4+-) 27...c4 28.Bc4 Qc5 29.Kh2 ab5 30.Bb3+-) 27.Qc5 (27.Bb5!? Rf8 28.Rf8 Kf8 29.Qf2 Bf5+-) 27...Qb6 (27...b4 28.a3 b3 29.Bc4+-) 28.Qb6 (worse 28.Rb5 Qc5 29.Rc5 h6+-) 28...Rb6 29.Rb5 Rb5 (29...Ra6 30.Bc4 Ra4 31.Bb3+-) 30.Bb5 Rd8 (30...Rf8 31.Rf8 Kf8 32.Nh7 Kg8+-) 31.Nf7 Rd5 (31...Ne6 32.Nd8 Nd8+-) 32.Nh6 (32.Nh6 Kh8 33.Rf8) 1–0. Adlai – Ester, corr, 2018.

8.a4 a6 9.Nbd2 c6 10.0-0 e5 11.de5 de5 12.Qc1 e4 13.Rd1 ef3 14.Nf3 Nh5 15.Bg7 Kg7 16.Qd2 Nhf6 17.Ne5 Re7 18.Nf3 Re8 19.Qc3 Qe7 20.c5 Kg8 21.Rd6 Nd5 22.Qd2 Ne5 23.Ne5 Qe5 24.Rd1 Be6 25.Bf3 Rad8 26.Rd8 Rd8 27.e4 Qd6 28.ed5 Bd5 29.Bd5 cd5 30.Qd4 Qd7 31.Ra1 Re8 32.g3 Re4 33.Qb2 Qe6 34.b5 Re2 35.Qd4 Re4 36.Qd1 ab5 37.ab5 Qe5 38.Kg2 Rd4 39.Qe1 Re4 40.Qa5 Re2 41.c6 Qe4 42.Kg1 Qf3 43.Rf1 Re5 44.cb7 Rh5 45.b8Q Kg7 46.Qa1 1–0. Chess4Win (1715) – AartedoXadrezII (1655), lichess.org, 2020.

8.Nc3 Nf8 9.0-0+= h6 10.b5 g5 (10...Ne6 11.Nh4+=) 11.a4 Ng6 12.Qc2 Bg4 (12...g4!? 13.Nd2 e5+=) 13.h3+/– Bd7 14.Nd5 Nd5 15.cd5 f5 (15...Rc8 16.Bd3+/–) 16.Nh2 (16.Bc4 Rf8+/–) 16...Rf8 17.Bh5 Be8 18.f4 (18.Nf3 a6+/–) 18...gf4 19.ef4 Rc8 20.Rae1 (20.Ra3 c6 21.dc6 bc6+=) 20...c6 21.dc6 bc6 22.Bg6 Bg6 23.bc6 Re8? (23...Qb6 24.Re7 Bf6+/–) 24.d5+- Qb6 25.Rf2 Qb4 (25...Bb2 26.Qb2 Bf7 27.Qb6 ab6 28.Rd1+-) 26.Rfe2 (26.Nf3!? Bb2 27.Qb2 Qb2 28.Rb2 Bf7+-) 26...Bd4 (26...Bb2 27.Qb2 Qc5 28.Kh1 Qd5 29.Re6+-) 27.Kh1+- Kf7? (better is 27...Bb2 28.Qb2 Qb2 29.Rb2 Bf7+-) 28.Nf3 Bc5 (28...Bb2 29.Qb2 Qb2 30.Rb2 Kg7+-) 29.Nh4 Bf2 (29...Bd4 30.Ng6 e6 31.Bd4 Qd4 32.Re6 Re6 33.Qf5 Qf6 34.Qe6 Qe6 35.Re6+-) 30.Ng6 (30.Rf2?! Qe1 31.Kh2 Qe4 32.Qe4 fe4 33.Ng6 Kg6 34.f5 Kf7+/–) 30...Be1 (30...e6 31.Bc3 Be1 32.Bb4 Kg6 33.Re1 a5 34.Ba5 Re7 35.de6 h5+-) 31.Qf5 Kg8 32.Qe6 Kh7 33.Qf7# 1–0. Kaenel,Hansjuerg (2405) – Strauss,J (2105), Ambassador Open, Bern SUI, 1999. (=1.Nf3 d6 2.d4 g6 3.e3 Bg7 4.c4 Nf6 5.b4 0-0 6.Bb2 Nbd7 7.Be2)

8.Nbd2 a5 9.b5 e5 10.de5 de5 11.0-0 e4 12.Nd4 Nc5 13.a4 h5 14.N4b3 Nd3 15.Bd3 ed3 16.Nd4 Ng4 17.N2f3 Bf5 18.Ra2 Be4 19.h3 Nh6 20.Nd2 c5 21.bc6 Bc6 22.N2f3 Be4= 23.Nd2 Qg5 24.Ne4+/– Re4 25.Qd3 Rae8 26.Nf3 Qe7 27.Bg7 Kg7 28.Rc1 Nf5 29.c5 g5 30.Qc3+- Kh6 31.c6 g4 32.hg4 hg4 33.Ne1 g3 34.cb7 gf2 35.Rf2+- Re3 36.Qc6 Re6 37.Qf3?? Nh4?? 38.Qf4+- Kh5 39.Nf3 Re4 40.Qh2 Rg4 41.Nh4 Rh4 42.Qg3 Rg4 43.Rf5 Rg5 44.Rg5 Qg5 45.Qg5 Kg5 46.Rc8 Re1 47.Kf2 Rb1 48.b8Q Rb8 49.Rb8 f5 50.Ra8 Kf4 51.Ra5 Ke4 52.Rf5! Kf5 53.a5 Ke6 54.a6 Kd6 55.a7 Kc7 56.a8Q Kb6 57.Ke3 Kb5 58.Kd4 Kb4 59.Qb8 Ka3 60.Kc3 Ka4 61.Qb4 1–0. Fournier,Frederic (1820) – fylart (2145), Active, 2008.

8.Nbd2 c6 9.a4 (9.0-0 e5=) 9...e5 10.0-0 e4 (10...c5 11.Bc3=) 11.Ne1 d5 12.b5 (12.Qb3 Qe7+=) 12...a6 (12...cb5 13.cb5 b6 14.Ba3=) 13.Nc2 (13.c5 Re6+=) 13...ab5 (13...cb5 14.cb5 ab5 15.ab5 Ra1 16.Qa1=) 14.ab5+= Ra1 15.Qa1 cb5 16.c5 Nb8 (16...b6 17.c6 Nb8 18.Bb5+=) 17.Rb1 Nc6 (17...Bd7 18.Bc3+=) 18.Bb5 Qc7 19.h3 Bd7 20.Be2 (20.Bc3 Rb8+=) 20...Rb8= 21.Bc3 (21.Ba3 Qa5 22.Nb3 Qc7+=) 21...b6 22.Nb4 bc5 (22...Nb4 23.Rb4 Be6 24.Rb6 Rb6 25.Ba5+- (25.cb6?! Qb6 26.Ba5 Qb7=)) 23.Na6 (23.dc5 Nb4 24.Be5 Qc5 25.Bb8 Qc2+-) 23...Rb1 24.Qb1 Qd8 25.Nc5 Bf8 (25...Qc7 26.Qa2 Bf8 27.Qa8+=) 26.Nd7 (26.Qb7 Bd6+=) 26...Nd7 (26...Qd7 27.Nb3=) 27.Qb5+= Na7?? (better 27...Ndb8+=) 28.Qd5+- Qc7 (28...Nc8 29.Ne4 Ncb6 30.Qc6+-) 29.Ne4 Qc3 (29...Kg7+-) 30.Nc3 (30.Nc3 Nb6 31.Qd8+-) 1–0. GuestQWWS – Gegonzz, freechess.org, 2018.

8.Nbd2 e5 9.0-0 e4 10.Ne1 c6 11.Nc2 d5 12.c5 Nh5 (12...b6 13.a4=) 13.a4 White prepares the advance b5 (13.Bh5 gh5 14.Qh5 Re6+=) 13...Nhf6= 14.b5 h6 15.Ra3 Nh7 16.f4 (16.Nb4 Qf6+=) 16...ef3 (16...Nc5 17.bc6 bc6 18.Nb4=+) 17.Bf3= f5 (17...Nc5 18.Qc1 Ne6 19.bc6=) 18.Ne1 (18.Nb4 Nc5 19.bc6 Ne4=) 18...g5 (18...Nc5!? 19.bc6 bc6=) 19.Qb3 Ndf6 20.Be2 Ne4 21.Ne4 fe4 22.Bh5 (22.Nc2 Rf8+=) 22...Rf8= 23.Rf8 Qf8 24.Bc1 Bd7 (24...Qf5 25.Ra2 g4 26.bc6 bc6 27.Be8-/+) 25.Ra2 Nf6 26.Rf2 Qe7 27.Bd1 Bg4 28.h3 Bd1 29.Qd1 Rf8 30.Bd2 h5 31.Nc2 g4 32.Qf1 gh3 33.gh3 Qe6 34.Kh2 Kh7 35.Rg2?? (35.Ba5 Qf7 36.Rf4 Qe7=) 35...Qe7 (better 35...Ng4 36.Kg1 Rf1 37.Kf1 Nf6 38.bc6 Qc6-+) 36.Qf5= Kh8 37.Qg6 Qf7 (37...Rg8 38.Be1 Qe6 39.Rg5 Ng4 40.Kh1 Qg6 41.Rg6+=) 38.Qf7+= Rf7 39.Ne1 (39.Nb4 Rc7+=) 39...Bh6 40.Rg3 Rg7 41.Ng2 Rg3 42.Kg3 Kg7 43.h4 (43.Nh4 Kf7=) 43...Nh7 (43...Kg6 44.Kf2=) 44.Nf4= Nf8 (better 44...Bf4!? 45.Kf4 Kf6=) 45.Nh5+/- Kg6 46.Nf4 Bf4 (46...Kf5 47.Ng2+/-) 47.Kf4+- Kh5? (better 47...Nd7+-) 48.Be1 Nh7 (48...Ng6 49.Kf5 Nh4 50.Bh4 Kh4+-) 49.Bg3 (better 49.Ke5!? Kg4+-) 49...Nf8 (better 49...Nf6+-) 50.Kf5 Ng6 51.Kf6 Nh4 (51...a6 52.bc6 bc6 53.Bf2 Nh4 54.Ke6+-) 52.Bh4 Kh4 53.Ke6 Kg3 54.Kd7 Kf3 55.bc6 (55.a5 a6 56.ba6 ba6 57.Kc6 Ke3 58.Kd5 Kf4+-) 55…Ke3 (55...Ke3 56.cb7 Kf3+-). Gehaktbalmetjus (2115) - kitnamore (2135), Rated Bullet game, lichess.org, 2019.

8.d5 c5 9.dc6 bc6 10.0-0 Rb8 11.a3 c5 12.b5 a6 13.Qc2 Bb7 14.Nbd2 Bf3 15.Nf3 (worse is 15.gf3 ab5 16.cb5 d5=) 15...Qb6 16.Rfb1 ab5 17.cb5 d5 18.a4 c4 19.a5 Qb7 20.a6 Qc7 21.a7 (better is 21.Bc3!?+/–) 21...Ra8+= 22.Bd4 e5 23.b6 Qb7 24.Bc3 Re6 25.Ba5 (25.Qa4 Rb6 26.Rb6 Nb6 27.Qa5+=) 25...Nb6+= 26.Ne5 Ne4 (26...Ra7 27.f4–/+) 27.Nc4 dc4 (better is 27...Ra7 28.Ra4 dc4 29.Rb6 Rb6 30.Bb6 Qb6 31.Qe4 Ra4 32.Qe8 Bf8 33.Qa4 Qb1 34.Qd1 Qb4+=) 28.Bc4+/– Rd6 29.Bb6 Rb6 (29...Ba1? 30.Bd4 Qe7 A) worse is 31.Ba1 Ra7 32.Qe4 Ra1 (32...Qe4?? 33.Rb8 Rd8 34.Rd8 Qe8 35.Re8) 33.Qe7 Rb1 34.Bf1 Rdd1+=; B) 31.Ra1 Rd4 32.ed4+-) 30.Rb6 Qb6 31.Rb1 Qa7 32.Qe4 Qa4 33.g3 Re8?? (better is 33...Qe8 34.Qe8 Re8+-) 34.Bf7!+- Kf7 35.Qa4 (35.Rb7 Kg8 36.Qa4 Rd8 37.Qa7 Bf6 38.Qa2 Kh8 39.Qf7 Rd1 40.Kg2 Be7 41.Qe7 Rg1 42.Kg1 Kg8 43.Qg7) 35...Re7 36.Qf4 (36.Qc4 Kf8 37.Rb8 Re8 38.Qf4 Ke7 39.Qc7 Kf6 40.Re8 g5 41.Qd6 Kf5 42.Qe6) 36...Ke8 37.Rb8 Kd7 38.Rb7 Ke8 39.Re7 (39.Qa4 Kf8 40.Rb8 Kf7 41.Qc4 Re6 42.Rb7 Kg8 43.Qe6 Kh8 44.Qd7 Kg8 45.Qg7) 39...Ke7+- 40.Kg2 Ke6 41.Kf3 Ke7 42.Ke4 Ke6 43.Qc7 (43.Qg4 Kd6+-) 43...Bf6 44.Qc6 Ke7 45.Kd5 g5 (45...Bg7 46.Qd6 Kf7 47.Qd7 Kg8 48.Qe8 Bf8 49.Ke6 Kg7 50.Qf7 Kh6 51.Qf8 Kh5 52.Qf3 Kh6 53.Qf6 Kh5 54.Qh4) 46.Qe6 (46.Qb7 Kf8 47.Ke6 Be7 48.Qe7 Kg8 49.Qf7 Kh8 50.Qf8) 46...Kf8 47.Qf6 Kg8 48.Ke6 h5 (48...h6 49.Qg6 Kh8 50.Kf6 g4 51.Qg7) 49.Qe7 Kh8 (49...h4 50.Kf6 hg3 51.Qg7) 50.Kf6 Kg8 51.Qg7 1–0. Tolmacheva,Eva – Feofilova,Elizaveta, Championshipof Irkutsk Region, 2009.

8.0-0 a5

9.a3 ab4 10.ab4 Ra1 11.Ba1 e6 12.Nc3 b6 13.Qa4 Bb7 14.Bb2 Qa8 15.Ra1 Qa4 16.Ra4 Ra8 17.Ra8 Ba8 18.b5 Ne4 19.Na2 Bb7 20.Nb4 Nb8 (20...h6 21.Kf1=) 21.Kf1 c5 22.bc6 Nc6 23.Nc6 Bc6 24.Ke1 Kf8 25.g3 Bb7 26.Nd2 Nd2 27.Kd2 Ke7 28.Bd1 (28.g4 h6+=) 28...Kd8 29.Kc3 Kc7 30.Kb4 Bf8 (30...d5 31.Bf3=) 31.Bb3 Be7 (31...d5 32.c5=) 32.Kc3 (32.d5!?+=) 32...d5= 33.cd5 Bd5 34.Ba4 (34.Bd5 ed5 35.f3 g5=) 34...f6 35.Be8 g5 36.Bh5 h6 (36...f5 37.f3=) 37.f3= f5 38.Kd3 b5 39.e4 Bc4 40.Ke3 fe4 41.fe4 Bf8 42.Bf7 Kd7 43.Bh5 b4 44.Bd1 (44.Kd2 Bd6=) 44...Ke7 45.Bh5 Kd7 46.Bd1 Ke7 (46...Bd6 47.Bg4 Kc6 48.Bf3=+) 47.Bh5 (47.g4 Kd7=) 47...Bg7 (47...Kd6 48.Bg6=) 48.Bd1 Bf8 49.Bh5 (49.Bf3 Ke8=) 49...Bg7 50.Bd1 Kd8 51.Bh5 (51.Bc2 Bf8=) 51...Ke7 (51...Bf8 52.Kd2=) 52.Bg4 Bf8 53.Bh5 ½–½. kovacic (2370) – Hermitcrab (2305), ChessWorld.net, 2017. (=1.d4 g6 2.c4 Bg7 3.Nf3 d6 4.e3 Nf6 5.b4 Nbd7 6.Bb2 0-0 7.Be2 Re8 8.0-0 a5)

9.b5 b6 10.Nc3 Bb7 11.Rc1 Ne4 12.Na4 (12.Ne4 Be4 13.Ng5 Bb7+=) 12...e5= 13.Qc2 f5 14.Rfd1 Qe7 15.c5 (better 15.d5=) 15...ed4?? (better 15...bc5!? 16.Bc4 Kh8 17.de5 Ne5 18.Ne5 Be5 (worse 18...de5 19.f3+/-) 19.Be5 Qe5=+ (worse 19...de5 20.f3+/-)) 16.cd6 (better 16.c6!? de3 17.Qb3 Kh8 18.Qe3 (18.cd7?! ef2 19.Kf1 Qd7=) 18...Bb2 19.Nb2 Bc6 20.Qd4 Qg7 21.Rc6+/-) 16...cd6 17.Bd4 Bd4 18.Nd4 (worse 18.ed4 Kh8=) 18...Nf2? (better 18...Rac8 19.Nc6 Qf6+/-) 19.Qb3+- (19.Kf2?! Qe3 20.Kf1 Rac8+/-) 19...Kh8 20.Kf2 Nc5 21.Qa3?? (better 21.Nc5 dc5 22.Nc6+-) 21...Na4= 22.Qa4 Qe3 23.Kf1 Re4?? (better 23...Qf4 24.Bf3 Bf3 25.gf3 Qh2=) 24.Bf3 Qf4? (better 24...Rh4!? 25.Qb3 Qb3 26.ab3 Be4+-) 25.Rc3 (better 25.Rc7!? Bd5 26.Qc2 Qh2 27.Ne2+-) 25...Rae8 26.Rcd3 (better 26.g3!? Qe5 27.Kf2+-) 26...Qh2+= 27.Kf2 (27.Be4 Be4 28.Nf3 Bd3 29.Rd3 Qh1 30.Kf2 Qa1+-) 27...Qf4?? (27...Qh4!? 28.g3 Qh2 29.Kf1 Qh3 30.Kf2 f4 31.Be4 Be4-+) 28.Qb3 (better 28.g3 Re2 29.Kf1 Qg3 30.Ne2 Qh3 31.Ke1 Bf3 32.Qd4 Kg8 33.Re3 Re3 34.Qe3 Qh4 35.Qf2 Qb4 36.Kf1 Be2 37.Qe2 Qf4 38.Kg2+=) 28...g5?? (28...Qh4 29.g3 Qh2 30.Kf1 Qh3 31.Kf2 f4 32.Be4 Qh2 33.Kf1 Be4-+) 29.Ne2?? (better 29.g3 Qe5 30.Be4 Be4 31.Nf3 Qc5 32.Rd4+-) 29...Re2-+ 30.Kf1 (30.Kg1 Bf3 31.Qc3 Qe5 32.Rf3-+) 30...Qg3 (better 30...Qh4 31.Qc3 Kg8 32.Qc4 Qc4 33.Be2 Bg2 34.Kg1 Re2 35.Rd4 Qe6 36.R4d3 Qh6 37.Rh3 Qh3 38.Rd6 Qh1) 31.Qc3 R8e5 32.Qd4 (32.Qe5 Re5 33.Bb7 Re1 34.Re1 Qd3 35.Re2 Qb5 36.Ke1-+) 32…Re1 (32...Re1 33.Re1 Qe1) 0-1. jhonores (2190) - Jumadinursalam (2185), Rated Blitz game, lichess.org, 2020.

8.0-0 b6

9.Qb3 Bb7 10.Rd1 e6 11.Nbd2 Qe7 12.a4 e5 (12...a5 13.b5+=) 13.de5 (13.a5 ed4 14.Nd4 ba5 15.Ra5 Ne5+=) 13...Ne5 (13...de5 14.a5+=) 14.a5 Red8 (14...Nfd7 15.a6 Nf3 16.Nf3+=) 15.ab6 (better is 15.b5+/–) 15...Bc8?? (better is 15...ab6 16.Qc2 h6=) 16.Nd4 (16.Ra7 Ra7 17.ba7 Bb7+-) 16...c5 17.Nb5 Bd7 18.Nf3?? Bb5+= 19.cb5 Rac8?? 20.bc5 Nf3 21.Bf3 dc5 22.Bb7 Rd1 23.Rd1? Rd8?? 24.g3 Rd1+= 25.Qd1 Ne8?? 26.Bg7 Kg7?? 27.Bc6 Nd6?? 28.h4 Ne4?? 29.Qd3 Nf6 30.e4 Qe6?? 31.Qc3 Kg8?? 32.Qd3 Kg7 33.Qc3 Kg8 34.Qd3 c4?? 35.Qd8+- Kg7 36.Qd4 Kg8?? 37.Qd8 Kg7 38.Qd4 Kg8 39.e5 Ng4 40.f4 h5 41.Bd5 Qf5?? 42.Be4 Qe6 43.Bd5 Qf5 44.Bc4 Qb1= 45.Bf1 Qc2 46.Bg2 Qb1 47.Bf1 ½–½. Bennett,H (2090) – Lee,T, Kuala Lumpur MAS, 2006. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.d4 Nbd7 7.Be2)

9.Qb3 Bb7 10.Nbd2 e5 11.de5 Ne5 12.Rfd1 Nf3 13.Bf3 (worse is 13.gf3 a5+=) 13...Bf3 14.Nf3 Ne4 15.Bg7 Kg7 16.Nd4 Qh4 17.Nf3?? (better is 17.Qb2 Qf6 18.f3=) 17...Qf2–/+ 18.Kh1 Nf6 19.Rd3 Ng4 20.Qc3 Ne5?? 21.Ne5 Re5–/+ 22.Re1 Rae8 23.h3 Kg8 24.a4 Rg5 25.Rd2?? Qg3 26.Rde2 Qe5 27.Qd3 Rg3 28.Kg1 Qe6 29.Kh2 Qe5 30.Kg1 a5 31.b5 Qe4 32.Qe4 Re4 33.Kf2 Rg5 34.Kf3 Rge5 35.Rd2 Rc4 36.Red1 Ra4 37.Rd4 Ra3 38.Rc4 Rc5 39.Rc5 bc5 40.Rb1 Ra4 41.b6 cb6 42.Rb6 Rb4 43.Rd6 a4 44.Ra6 Kg7 45.Ke2 Rc4 46.Kd3 Rb4 47.Ra5?? c4 48.Kc3 Rb3 49.Kc4 Re3 50.Ra4 Re2 51.g4 Re3 52.Kd5 Rh3 53.Ke5?! Re3 54.Kf4 Rb3 55.g5 Rb5 0–1. ludice (1780) – aydahoe (1755), kurnik, 2011.

9.Nc3 Bb7 10.a3 a5 11.Qc2 ab4 (11...c5 12.bc5 bc5 13.d5+=) 12.ab4 e5 13.Ra8 Qa8 14.d5 Qd8 15.h3 Qe7 16.Ra1 Ra8 17.Ra8 Ba8 18.Nb5 Nf8? (better is 18...Qd8!?+/–) 19.Qa4+- Qd8 20.Nc7! Qc7 (20...Bb7 21.Nb5 Qb8 22.Bd3+-) 21.Qa8 b5? (21...Qd7+-) 22.c5 (22.cb5 Qc2 23.b6 Qe2+=) 22...dc5 23.Be5 (23.Be5 Qb6 24.Qc6 Qc6 25.dc6+-; 23.Ne5?! Ne4 24.Qa1 c4+/–) 1–0. pierred – anony, internet, 2014. (=1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.Nf3 0-0 5.c4 d6 6.d4 Nbd7 7.Be2 Re8 8.0-0 b6)

9.Nc3 c5+=.

9.Nbd2 Bb7 10.d5 e5 11.e4 c6 12.Rc1 c5 13.a3 cb4 14.ab4 a6 15.Re1 a5 16.ba5 ba5 17.Qa4 Nb6 18.Qb5 a4 19.Ba3 Ba6 20.Qc6 Rb8 (20...Nfd7!? 21.c5 dc5 22.Ba6 Ra6 23.Bc5 Nc5 24.Qc5 Qd7=) 21.Qd6+/– Bf8? (21...Nfd7 22.c5 Bf8+-) 22.Qd8+- Rbd8 23.Bf8 Rf8?! (23...Kf8 24.c5 Be2 25.Re2 Rc8+-) 24.c5 Be2 25.Re2 (25.Re2 Rc8 26.Ree1 Nbd5 27.ed5 Nd5 28.Ne5+-; 25.cb6?! Bf3 26.Nf3 Rb8+-) 1–0. Fournier,Frederic (2090) – Chicot,Patricia, Coupe de Senlis, 2009.

8.0-0 c6

9.a4 Qc7 10.Nc3 e5 11.Qb3 e4 12.Nd2 Nf8 13.b5 Bf5 14.a5 a6 15.Ba3 h5 16.bc6 bc6 17.Qb6 Qd7 18.Rab1 Reb8 19.Qb8 Rb8 20.Rb8 Qc7 21.Rb3 d5 22.Bc5 Ne6 (22...Qa5?? 23.Bb6 dc4 24.Bc4+-) 23.Bb6 Qc8 24.Rc1 Ng5 25.cd5 cd5 26.Na2 Qe6 27.Bc7 Bg4 28.Rb6 Qf5 29.Ba6 Bh3 30.Bc8! (30.gh3 Nh3 31.Kh1 Qf2 32.Rb8 Kh7+=) 30...Nd7 31.Bg3 Nf3 32.gf3 ef3 33.Bd7 Qd7 34.a6 Qa4 35.Nf3 Qa2 36.Rb8 Kh7 37.Ng5 (37.Ng5 Kh6 38.Nf7 Kh7 39.Ng5 Kh6 40.Nh3 Qa6 41.Bf4 g5 42.Rcb1+-) 1–0. McNab,Colin Anderson (2475) – Bernal Moro,Luis Javier (2395), Oviedo rapid45, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

9.a4 Qc7 10.Nbd2 e5 11.de5 Ne5 12.Ne5 de5 13.Nf3 Bf5 14.Qb3 Rad8 15.Rad1 Ne4 16.Rd8 Rd8 17.Rd1 Rd1 18.Qd1 f6 19.Nd2 Nd2 20.Qd2 Qd7 21.Qd7 Bd7 22.e4 f5 23.ef5 gf5 24.f3 Be6 25.c5 a5 26.b5 Bb3+= 27.bc6 bc6 28.Bc3 Ba4 29.Ba5 Bf8 30.Bc4 Kg7 31.Bb6 Kf6 32.Kf2 e4 33.fe4 fe4 34.Ke3 Bc2 35.Kd2 Ba4 36.Ke3 Kf5 37.g4 Kg4 38.Ke4 Kh3+= 39.Kf3 Be7 40.Be6 Kh2 41.Bc7 Kg1 42.Bd6 Bd1 43.Kf4 Bf6 44.Kf5 Bd4–/+ 45.Bd7 Bf3 46.Kg5 Be3 47.Kh4 h5 48.Bc6 Bf2 49.Kg5 Bc6 50.Kh5 Kg2 ½–½. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

9.a4 e5 10.Qb3 e4 11.Nfd2 d5 12.b5 a6 13.Nc3 ab5 14.ab5 Ra1 15.Ra1 Nf8 16.Ra8 Qc7 17.Ba3 Ne6 (17...Qd7 18.Ra7 Qe6 19.Bf8 Bf8 20.b6+/–) 18.c5 (18.cd5 Nd5 19.Nd5 cd5+-) 18...Ng5 (better is 18...b6!?+=) 19.bc6+- bc6 20.Qb8 (better is 20.Qb6!? Qb6 21.cb6+-) 20...Qb8+= 21.Rb8 Nd7 22.Ra8 f5? (22...Nf6+=) 23.g3?? (better is 23.Ba6 Ba6 24.Re8 (24.Ra6?! Nb8 25.Ra7 f4=) 24...Kf7 25.Ra8+-) 23...Kf7= 24.Na4 Ne6 25.Nb3 g5?? 26.Na5 Nd8?? 27.Nb6 f4 28.Rc8 Nb6 29.cb6 (29.cb6 f3 30.Ba6+-) 1–0. carocan (1765) – tryskac, kurnik, 2011.

9.a4 e5 10.b5 e4 11.Nfd2 d5 12.f4 ef3 13.Rf3 Nf8 14.h3 h5 15.Qb3 N8h7 16.Nc3 h4 17.Nd1 Ng5 18.Rf1 Qd6 19.cd5 Bh3 (worse is 19...Qd5 20.Bc4 Qd6 21.Nf2+=) 20.dc6 Qg3–/+ 21.Rf2 Nge4?? 22.Ne4+- Ne4 23.Bf3?? Nf2= 24.Nf2 bc6?? 25.bc6?? Rab8 26.Qc2 Re3–+ 27.Ne4? Re4! 28.Be4 Qe3 29.Kh2 Qg3 30.Kh1= Bg4 31.c7 Rb2?? 32.Qb2+= Qc7 33.Rc1 Qf4= 34.Re1 Kh7 35.Qc1 Qg3 36.Qe3 Qd6 37.d5+/– Be5? 38.Bf3 Bf4 39.Qe7 Bf3 40.gf3 Qd5+/– 41.Qe4?? Qg5 42.Rg1 Bg3 43.f4? Qc5 44.Rg3?? hg3–+ 45.Kg2 Qf2 46.Kh3 Qh2 (46...Qh2 47.Kg4 f5 48.Qf5 gf5 49.Kg5 g2 50.Kf5 Qh3 51.Kf6 g1Q 52.Ke7 Qc5 53.Ke8 Qhe3 54.Kd7 Qee7) 0–1. carocan (1790) – atesz (1875), kurnik, 2011.

9.Qb3 Qc7 10.Nbd2 e5 11.Rac1 e4 12.Ne1 Qd8 13.g3 (13.f3 Qe7+=) 13...Nf8 14.Ng2 Bh3 15.Rfd1 g5 16.d5 Ng6 17.dc6 bc6 18.c5 d5 19.Qc2 Rb8 20.a3 Ne5 21.Nc4 Nc4 22.Bc4 Qe7 23.Bf1 Nd7 (23...Qe6 24.Rd2=) 24.Bg7 Kg7 25.Ne1 Qe6 26.Bh3 Qh3 27.Qc3 f6 28.Ng2?? Ne5–+ 29.f4 ef3 30.Ne1 f2! 31.Kf2 Qh2 32.Ng2–+ Qh5 33.e4 de4 34.Rh1 Qg6 35.Rcd1 Rbd8 36.Rd6? Rd6 37.cd6 Rd8 38.Rd1 Qf5 39.Ke1 Nf3 40.Ke2 Qg4?? 41.Ne3–/+ Qh3 42.Rf1? Qh2 43.Rf2+= Qh5 44.g4 Qf7 45.Nf5 Kh8 46.Rf3 ef3–+ 47.Kf3 Qd5 48.Kg3 Qe5 49.Qe5–/+ fe5 50.Kf3 h5 51.gh5+= Rf8? 52.Ke4+- g4 53.Ke5 Rf5 54.Kf5 g3 55.d7 g2 56.d8Q Kh7 57.Qe7 Kh6 (57...Kh6 58.Qg5 Kh7 59.h6 g1Q 60.Qg1 Kh6 61.Qg6#; 57...Kh8 58.Qf6 Kh7 59.Qg6 Kh8 60.h6 g1Q 61.Qg1 c5 62.Qg7#). ludice (1685) – cetop (1670), kurnik, 2011.

9.Qb3 e5 10.Nc3 h6 11.Rfd1 Nh7? 12.Ne4 Qe7 13.de5 de5 14.c5 Ndf8 15.Nd6 Rd8 16.Bc4 Be6 17.Be6 Ne6 18.Ne5 Nc5?? 19.bc5 Be5 20.Be5 Qe5 21.Qf7 Kh8 22.Qg6 Rd6 23.Qd6 Qg7 24.Qg3 Qf6 25.Qf4 Qg7 26.Qd4 Nf6 27.Rab1 Rg8 28.g3 Kh7 29.Qe5 Rf8 30.Rd4 Rf7 31.Qf5 Kh8 32.Rd8 Ng8 33.Qe6 Qh7 34.Rbd1 Rg7 35.Qe5 Qg6 36.R1d7 1–0. Gritsak,O (2520) – Bognar,C (2245), 9th Amplico Life Rapid, Warsaw Poland, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nbd7 7.Be2)

9.b5 e5 10.a4 e4 11.Nfd2 d5 12.Nc3 Nb6 13.a5 Nc4 14.Nc4 dc4 15.Bc4 cb5 16.Nb5 Be6 17.Be6 Re6 18.Ba3 (18.Nc3 Rc8=) 18...Nd5 (better 18...a6!? 19.Nc3 Qa5-/+) 19.Qb3= a6 20.Nc3 Nc3 21.Qc3 Qd5 (21...Rc8 22.Bc5=) 22.Rfc1 (22.Qc7 Ree8+=) 22...h5 (22...b5 23.Rab1=) 23.Bc5 (23.Qc7 Rd8+/-) 23...Rc8 24.Rab1 h4 (24...Rec6 25.Qb4+=) 25.h3 (25.Qb3 Qb3 26.Rb3 Bf8 27.Rb7 Bc5+/-) 25...Qg5 (25...Rec6 26.Qc4 Qd7 27.Qb4+=) 26.Qb4 (26.Rb7 Qd5 27.Qb4 Rec6+/-) 26...Rc7 27.Bd6 Rd7 28.Rc8 Kh7 29.Bf4 Qf5 30.Rbc1 Rf6 (30...Rc6 31.R1c6 bc6 32.Rc6 Bd4 33.Qb1+=) 31.R1c5 Qe6 32.Re5 (32.Be5 Rf5 33.Bg7 Kg7 34.Rf5 Qf5 35.Qf8 Kf6 36.Qh8 Ke6+-) 32...Qa2 (better 32...Rd4 33.Qd4 Qc8 34.Qe4 Rf4 35.ef4 Be5 36.fe5 Qc7+=) 33.Ree8?? (better 33.Re4 Rf5 34.Re7 Rf4 35.Rd7 Qf2 36.Kh1=) 33...Qe2?? (better 33...g5 34.d5 Qd5 35.Bg5 Qg5 36.Re4 Rd1 37.Kh2 Rf2 38.Rh4 Kg6 39.Qb6 Rf6-+) 34.Rg8 Rf4 35.Rg7 (35.ef4 Bd4 36.Kh2 Qf2-+) 35...Kg7?? (better 35...Kh6 36.Rg6 fg6 37.ef4 Qd1 38.Kh2 Qd4 39.Qf8 Qg7+=) 36.Qf8 Kf6 37.ef4 (37.Qh8 Kg5 38.ef4 Kf4 39.Qf6) 37...Qe1? (better 37...Qd1 38.Kh2 Qd4+=) 38.Kh2+- Qf2 (38...Qa5 39.Qh8 Ke7 40.Qe8 Kd6 41.Qf8 Re7 42.Rd8 Qd8 43.Qd8 Rd7 44.Qh4 Kd5+-) 39.Qh8 Kf5 (39...Ke7 40.Qe5) 40.Qe5 1-0. CheryMely (2430) - jimakos (2640), Hourly Bullet Arena, lichess.org, 2020.

9.Nc3 Qc7 10.a4 e5 11.Qb3 Nf8 12.h3 e4 13.Nd2 Bf5 14.a5 Rad8 15.b5 c5 16.b6 ab6 17.ab6 Qc8 (17...Qe7 18.d5+/-) 18.Nb5 (18.d5 g5+/-) 18...g5 19.Nc7 Bh3?? (better 19...Re7+/-) 20.Ne8+- (20.gh3?! Qh3 21.Qd1 Re7+-) 20...Re8 21.gh3 Qh3 22.f3 (better 22.Qd1+-) 22...Qg3 23.Kh1 Ng6 (23...Ng4! 24.fg4 Re6 25.Rf6 Rf6 26.Nf3 Rh6 27.Nh4 Rh4) 24.Ne4 Ne4 25.fe4?? (25.Qa4 Nh4 26.Qe8 Bf8 27.Qf7 Kf7 28.fe4 Kg6 29.Bf3-+) 25...Nh4 (25...Re4 26.Rf4 Nf4 27.ef4 Qb3 28.Bg4-+) 26.Bf3 Nf3 27.Qc2 (27.Rf3 Qf3 28.Kh2 Qf2 29.Kh1 Re4 30.Ra8 Bf8 31.Rf8 Kf8 32.dc5 Rh4) 27…Qh3 (27...Qh3 28.Qh2 Qh2) 0-1. jhonores (2180) - tice_k (2200), Rated Blitz game, lichess.org, 2020.

9.Nc3 e5 10.Qb3 Qc7 11.a4 a5 12.b5 ed4 13.ed4 Nf8 14.Rfe1 Bd7 15.b6 Qd8 16.Ba3 Bf5 17.Rad1 d5 18.cd5 Nd5 19.Nd5 cd5 (19...Qd5? 20.Bc4 Re1 21.Re1+-) 20.Ne5 Rc8 (worse is 20...Be5 21.de5 Re5 22.Bb2+/–) 21.Bb5 Rc6?? (better is 21...Re6 22.Qf3 f6=) 22.Qf3 (better is 22.Bc6 Re5 23.de5 bc6 24.Rc1+-) 22...Be5 23.de5 (23.Re5?! Re5 24.de5 Rc2+/–) 23...Rb6? (23...Qb6 24.Qd5 Nd7 25.Bc6 bc6+-) 24.Rd5 Qh4 25.Qe3 Rbe6 26.Rd4 Qh5 27.Be2 (27.Be2 Re5 28.Bh5 Re3 29.Re3 (29.fe3?! gh5 30.Rd5 Be4 31.Ra5 f5+-) 29...Re3 30.fe3+-; 27.Be8?! Re8 28.Rd5 Ne6 29.Ra5 Qg4+-) 1–0. Ioffe,Dmitry (2195) – Sitdikova,Liya (2045), Tatarstan–ch op, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2 Re8 8.0-0 c6)

9.Nbd2 Qc7 10.Qc2 e5 11.Rac1 h6 12.h3 e4 13.Nh2 Nf8 14.d5 cd5 15.Bf6 Bf6 16.cd5 Qc2 17.Rc2 Bd7 18.Ng4 Bg7 19.Rfc1 f5 20.Nh2 Rec8 21.Nhf1 Rc2= 22.Rc2 Rc8 23.Rc8+/– Bc8 24.Bb5 a6+= 25.Be8 Bd7 26.Bd7 Nd7 27.g4 Nb6 28.gf5 gf5 29.Ng3 Nd5 30.Nf5 Nb4 31.Nd6 Na2 32.Nb7 Nc3 33.Kg2 Bf8 34.Kg3 Bb4 35.Kf4 a5 36.Ne4 Ne4 37.Ke4+/– a4 38.Kd3 a3 39.Kc2 Kf7 40.Kb3 Be7 41.Na5 Ke6 42.Nc4 Kf5 43.Na3 Ke4 44.Nc4 Kf3 45.Ne5 Kf2 46.Ng4 Kf3 47.Nh6 Ke3 48.Nf5 Kf4 49.Ne7 Kg3 ½–½. ludice (1680) – keszle1, kurnik, 2011. (=1.e3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.d4 d6 6.Be2 Nbd7 7.Nf3)

9.Nbd2 e5 10.de5 de5 11.Qb3 Qe7 12.c5 Nd5 13.Bc4 N7f6 (13...e4 14.Bg7 ef3 15.Bd4 fg2 16.Kg2+=) 14.Rad1 (better is 14.Be5!? Bf5 15.Qb2+/–) 14...e4= 15.Nd4 Be6 16.Ne2 Bf5 17.Ng3 Ng4? (better is 17...Bg4 18.Rde1 a5=) 18.Bg7+- Kg7 19.Bd5 (19.Nf5?! gf5 20.Bd5 Qe5+/–) 19...cd5 20.Qd5 Rad8 (20...Qe6 21.Nf5 gf5 22.Nc4+-) 21.Qb3 Rd3+/– 22.Qb2 f6 23.Nc4 Ne5? 24.Nd6 Qe6 25.Ngf5 gf5 26.Ne8 Qe8 27.Rd3 Nd3 28.Qd4 f4 29.ef4 Nf4 30.Re1 Qg6 31.Qe4 Nh3 32.Kf1 Ng5 33.Qg6 Kg6 34.Re7 f5 35.Rb7 Ne4 36.Ra7 Nd2 37.Ke2 Ne4 38.c6 Nc3 39.Kf1 Nb5 40.Rb7 Nd6 41.b5 Kf6 42.a4 Ke6 43.Rh7 Ne4 44.c7 Nf6 45.Rh6 Kd7 46.Rf6 Kc7 47.Rf5 Kd6 48.Rf6 Ke7 49.Rc6 Kd7 50.h4 Ke7 51.h5 Kd7 52.h6 Ke7 53.h7 Kf7 54.h8R Kg7 55.Rb8 Kf7 56.Rb7 Ke8 57.Rc8 1–0. ludice (1655) – uomonelmuro (1675), kurnik, 2011.

8.0-0 Ne4?

9.Qc2+= f5 10.d5 (10.Nc3 Ndf6+=) 10...Nef6 (10...a5!?=) 11.Nd4 (11.Nbd2 c5 12.a3 e6+/–) 11...Nf8 (11...Ne5 12.Nc3+=) 12.Bf3 (12.Nc3 e5 13.Nb3 N8d7+=) 12...Rb8 (12...e5 13.de6 Ne6 14.Ne6 Be6 15.Nd2=) 13.Nc3 e5 14.de6 Ne6 15.Nd5 Nd5 (15...Nd4 16.Bd4 Nd5 17.cd5 Bd4 18.ed4+=) 16.Bd5 (16.cd5 Bd4 17.Bd4 Nd4 18.ed4 Bd7+=) 16...c6= 17.Be6 (17.Bf3 Nd4 18.ed4 a5=) 17...Be6 18.Rfd1 (18.Rac1 Bf7=) 18...Bf7 19.c5 d5 (19...Bd5 20.Ne2 Bb2 21.Qb2 dc5 22.bc5=) 20.a4 (20.Nf3 Re4+=) 20...Qe7 (20...Re4 21.Qd2=) 21.b5 Rbc8 22.Rac1 Qd7 (22...a6 23.ba6 ba6 24.Nf3+=) 23.Qc3 (23.Nf3 Be6+= (worse is 23...cb5 24.Bg7 Kg7 25.Qb2 Kg8 26.ab5+/–)) 23...b6 (23...Qc7!?=) 24.Qa3 (24.Qd2 bc5 25.Nc6 Bb2 26.Qb2 Rc6 27.bc6 Qc6+/–) 24...cb5 (24...Bd4 25.Bd4 bc5 26.Rc5 cb5 27.ab5 Rc5 28.Qc5+=) 25.c6+/– Qc7 (25...Qe7 26.Nb5 a6 27.Qe7 Re7 28.Nd6+=) 26.ab5 Re4 (26...Qe7 27.Qb3+-) 27.Ra1 Ra8 28.Qa6 (28.g3 Qe7+-) 28...h5 (28...Re7 29.g3+-) 29.Rac1 (29.Bc3 f4 30.ef4 Qf4+-) 29...Ree8 (29...Rae8 30.g3+/–) 30.Qb7 (30.Rd3 f4+/–) 30...Be5 (30...Rac8 31.Ba3+/–) 31.f4+- Bd6 32.Ba3 Reb8 33.Bd6 Rb7 34.cb7?? Qb7= 35.Rc7 Qb8 36.Nc6 Qe8 37.Ne5 Be6 38.Re7 Qc8 39.Rf1 d4 40.Ng6 d3 41.Rc7+= Qe8 42.Ne7 Kf7 43.Nf5+/– Kf6?? 44.Ng7+- Qg8 45.Be5 Kg6 46.f5 Bf5 47.Nf5 (47.Nf5 Rf8 48.Ne7 Kg5 49.Ng8 Rf1 50.Kf1+-) 1–0. Katalymov,Boris – Bachtiar,Arovah, Tashkent, 1959.

9.Qc2 Ndf6+=.

9.Nbd2 Nd2 10.Qd2 e5 11.de5 de5 12.Rad1 Qe7 13.b5 e4 14.Nd4 Ne5 15.Qc2 f5 16.c5 Kh8 17.Bc4 c6 18.Nb3 Be6 19.Be6 Qe6 20.Be5 Be5 21.a4 Rad8 22.Rd2 Rd2 23.Nd2 Rd8 24.Nc4 Qd5 25.Ne5 Qe5 26.bc6 bc6 27.g3 Qd5 28.Qc3 Kg8 29.Rb1 h5 30.Qf6 Qf7 31.Qd8 Kg7 32.Qd4 Kh6 1-0. banjoband (2105) - worldsonfire (1855), Rated Blitz game, lichess.org, 2014.

9.Nbd2 Nd2 10.Qd2 e5 11.de5 Ne5 12.Ne5 Be5 13.Bf3=.

9.Nbd2 Ndf6 10.Ne4+= Ne4 11.Nd2 (11.Qc2 Nf6+=) 11...Nd2 12.Qd2 c6 13.e4 Qc7 14.f4 c5 (14...a5 15.b5+=) 15.bc5+/– dc5 16.d5 f6 (16...Bb2!? 17.Qb2 Bd7+/–) 17.f5+/– Bd7 18.Bd3 (18.Rf3 b6+-) 18...g5 (18...b5 19.Rf3 gf5 20.ef5 bc4 21.Bc4+/–) 19.e5+- h6 (better is 19...Ba4+-) 20.d6 Qd8 21.e6 Bc6 22.d7 Rf8 23.Qe2 (23.Bc3 Qc7+-) 23...Kh7 (23...Qa5 24.Be4 Rab8 25.Bc6 bc6 26.Rf3+-) 24.Qh5 (24.Be4 Be4 25.Qe4 Qc7+-) 24...Rh8 (24...Qa5 25.Rf2+-) 25.Rad1 (25.Qg6 Kg8+-) 25...Qf8 (25...Rf8 26.Bc3 Qc7 27.Qe2+-) 26.Rfe1 Rd8 (26...Rg8 27.Be4 Be4 28.Re4+-) 27.Be4 Be4 28.Re4 Kg8 (28...Rg8 29.Bc3+-) 29.Re3 Rb8 (29...Kh7 30.Ra3 Rg8 31.Ra7+-) 30.Bc3 a6 (30...Ra8+-) 31.Ba5 Rd8 32.Rb3 (32.Rb3 b6 33.Bb6 Ra8 34.d8Q a5 35.Rh3 Rd8 36.Rd8 Kh7 37.Qg6 Kg8 38.Rf8 Kf8 39.Qf7#) 1–0. Santasiere,Anthony – Roseler, USA–URS, 1966.

8.0-0 e5

9.b5 e4 10.Nfd2 c5 11.bc6 bc6 12.Nc3 Nf8 13.Rb1 h5 14.Qc2 Now all is on e4 14...Bf5 15.Ba3 Ne6 16.Rb7 Ng5 17.Rfb1 Ng4 18.Qa4 c5 19.Nd5 Ne6 20.dc5 dc5 21.Ra7 Ra7 22.Qa7 Be5 (22...Nf6 23.Qb7+/–) 23.Nf1 Qh4 24.Bg4 Bg4 25.Qa4 Rd8 26.Bb2 Bb2 27.Rb2 Ng5 28.Qc2 (28.Ng3 Be6+-) 28...Nf3 29.Kh1 Ne1 30.Qe4 Qg5 31.Qe7 (better is 31.f4 Qh4 32.Ng3+-) 31...Rd5?? (better is 31...Qe7 32.Ne7 Kf8+-) 32.Rb8 Kg7 33.Qf8 Kf6 34.Qh8 (34.f4 Be6 35.fg5 Rg5 36.Qd8 Kf5 37.e4 Ke4 38.Qg5 Ng2 39.Nd2 Kd4 40.Rb3 Bc4 41.Nf3 Ke4 42.Qe5) 34...Ke7 35.Qe8 Kf6 36.cd5 Qd5 37.Qd8 Qd8 38.Rd8 Nc2 39.Rd6 Ke5 40.Rc6 Kd5 41.Rc7 Be2 42.Nd2 Na3 43.e4 Kd6 44.Rf7 c4 45.f4 c3 46.Nb3 Bc4 47.Rf6 Kd7 48.Nc1 Nc2 49.Rg6 Nb4 50.Rg3 c2 51.Rc3 (51.Rc3 Na2 52.Rc4 Nc1 53.Rc2+-) 1–0. Frombach,Ralf (2015) – Overbeck,Thorsten (2145), Dortmund op–A, 2003. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Be2 Re8 8.0-0 e5)

9.Nc3 b6 10.Qc2 Bb7 (10...ed4 11.Nd4 Bb7 12.Rad1+=) 11.Rae1 (11.d5 a5 12.b5 a4+=) 11...Qe7 (11...c5 12.bc5 bc5 13.de5 de5 14.e4+=) 12.d5+= a5 13.Nb5 (13.b5 Bc8+=) 13...Nf8 (13...Rec8 14.ba5 Ra5 15.Bc3=) 14.a3 ab4 15.ab4 h6 (15...c6 16.dc6 Bc6 17.Nc3=) 16.Nd2 (16.Rd1 Ra6+=) 16...g5 (16...c6!? 17.dc6 Bc6=) 17.Ne4 Ne4 18.Qe4 f6 (18...Ra2 19.Rb1 Nd7+/-) 19.Bd3 (19.Ra1!?+/-) 19...Bc8 (better 19...f5 20.Qf5 e4 21.Bg7 Kg7=) 20.Ra1?? (better 20.g4+/-) 20...Ra1 21.Ra1? (better 21.Ba1 f5 22.Qf3-/+) 21...f5-+ 22.Qf3 e4 23.Be4? (23.Qh5 Bb2 24.Ra2 ed3 25.Rb2-+) 23...fe4 (better 23...Bb2 24.Ra7 fe4-+) 24.Qe2-/+ Bb2 25.Qb2 Qg7 (25...Qf7 26.Qd4-/+) 26.Qc1 (26.Qg7!? Kg7 27.Ra8=+) 26...Ng6 27.Ra7 Ne5 (better 27...Qf6!?-/+) 28.Nd6= Qd7?? (28...Rf8 29.Ne4 (worse 29.Nc8 Nd3 30.Qa3 Rc8-/+) 29...Bf5 30.Ng3=) 29.Nb5?? (better 29.Ne8 Qe8 30.Qa1+- (worse 30.Rc7 Nd3 31.Qa1 Qf8+-)) 29...Nd3 30.Qd2 Rf8 31.Rc7 Qf5 32.f4?? (better 32.Nd4 Qe5 33.Rc6=) 32...ef3 33.Qc3 (33.Nc3 fg2 34.Qg2-+) 33...f2 (33...Ne5 34.Qb3 fg2 35.Rg7 Kg7 36.Kg2 Qg4 37.Kh1 Rf1) 34.Kf1 Nb4 (34...Ne5 35.Qb3 Qe4 36.Rf7 Rf7 37.h3 Bh3 38.Ke2 f1Q 39.Kd2 Qeg2 40.Kc3 Qd3) 35.Qg7 1-0. negrovich1 (2040) - soll (2060), Rated Bullet game, lichess.org, 2014. (=1.Nf3 E61: King's Indian: Early deviations for White, including Smyslov System 1...Nf6 2.d4 g6 3.c4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 Nbd7 7.Be2)

9.Nc3 c6 10.a4 Qc7 11.Qb3 a5 12.b5 c5 13.Rfd1 (13.de5 Ne5 14.Ne5 de5+=) 13...b6 (13...cd4 14.ed4 ed4 15.Nd4=) 14.Rac1 (14.de5 Ne5 15.Ne5 de5+=) 14...Bb7 Black prepares the advance e4 (14...ed4 15.ed4 cd4 16.Nd4=) 15.Nd5 Nd5 16.cd5 e4 17.Nd2 f5 (17...Qd8 18.f3 ef3 19.Bf3 (worse 19.Nf3 Qe7=+) 19...cd4 20.Bd4 Bd4 21.ed4=) 18.Ba3 Nf6 19.dc5 dc5? (better 19...bc5!? 20.Bc4 Nd7+=) 20.d6+- Qf7 21.Bc4 (21.d7!? Red8 22.Qf7 Kf7 23.Nc4+-) 21...Bd5+= 22.Bd5 Nd5 23.Ne4 (23.Nc4 Rad8+=) 23...Re4= 24.Rd5 Ra4 25.Rcd1 Re4 26.d7 Rd8 27.Rd6?? (better 27.Qd3=) 27…Qb3-+ 0-1. jhonores (2215) - MyKnightYoMama (2170), Hourly SuperBlitz Arena, lichess.org, 2020.

9.Nc3 c6 10.a4 Qe7 11.b5 e4 12.Nd2 d5 13.Qb3 a6 (13...dc4!? 14.Nc4 Qe6+=) 14.cd5+/- cd5 15.Nd5 Nd5 16.Qd5 Nf6 17.Qc5 Qd8 18.ba6 ba6 19.Rfc1 Bf8 20.Qc7 Qd5 (20...Qc7 21.Rc7 Nd5 22.Rc2+/-) 21.Bc4+- Qg5?? (better 21...Qd7 22.Qd7 Bd7+-) 22.Qf7 Kh8 23.d5 (23.d5 Bg7 24.Bf6 Qf6 25.Qe8 Qf8 26.Qf8 Bf8 27.Ne4+-) 1-0. jhonores (2105) - Raflishi (2100), Rated Blitz game, lichess.org, 2020.

9.Nc3 c6 10.a4 h5 11.b5 e4 12.Nd2 d5 13.Qb3 Nf8 14.Rfc1 N8h7 15.a5 Ng5 16.a6 Rb8?? (better 16...Re7+/-) 17.bc6+- Bg4 (17...b6 18.cd5 Bf8 19.c7 Qc7 20.Nce4 Qc1 21.Rc1 Nge4 22.Ne4 Ne4 23.Rc7+-) 18.ab7 (worse 18.cb7 Be2 19.Ne2 dc4 20.Qc4 Nd5+-) 18...Be2 19.Ne2 Qc7 (19...a6 20.Ra6 Ne6 21.Nc3+-) 20.cd5 Ng4 21.Nf1 (21.Ra7 Qh2 22.Kf1 Nf3 23.Nf3 ef3-+) 21...h4 (21...Bf8 22.Ba3 Red8 23.Bf8 Kf8 24.Nc3+-) 22.d6 Qd6 23.c7 Nh3 (23...Kh7 24.Nf4 Qd7+-) 24.gh3 Nf2 25.cb8Q (better 25.c8Q!? Qf6 (25...Rbc8?? 26.Rc8 Nh3 27.Kg2+-) 26.Nf4 Kh7 (26...Rbc8 27.Rc8 Rf8 28.Ba3 Rc8 29.bc8Q Kh7 30.Kf2+-) 27.Qe8 Re8+-) 25...Nh3 (25...Qb8?? 26.Kf2 Kh7 27.Ra7 Qa7 28.Rc8+-) 26.Kg2 Rb8 27.Rc8 Kh7 28.Rb8 (better 28.Qf7 Ng5 29.Qg8 Kh6 30.Rb8 Qd7+-) 28...Qf6 29.Rf8 (better 29.Nd2 Qf2 30.Kh3 Qe2+-) 29...Qf2 (29...Qf3) 30.Kh3+- g5 31.Qf7 g4 32.Kg4 Qg2 (32...a5 33.Rh8! Kh8 34.b8Q Kh7 35.Qbg8 Kh6 36.Qfg7) 33.Kh5 (33.Kh4 Qg1 34.Qh5 Bh6 35.Rh8 Kh8 36.Qh6 Kg8 37.b8Q Kf7 38.Ra7) 33...Qe2 34.Kg5 Qg2 (34...Qb5 35.d5 Qd5 36.Qd5 Bh6 37.Kh5 Bf8 38.Qf7 Bg7 39.Qg7) 35.Ng3! hg3 (35...hg3 36.Qg6 Mate attack) 36.Qh5 (36.Qg6) 36...Bh6 37.Qh6 1-0. jhonores (2240) - Espinchess (2145), Rated Blitz game, lichess.org, 2020.

9.Nc3 ed4 10.Nd4 Ne5 11.Nd5 c6 12.Nf6 Bf6 13.Qb3 a6 14.Rad1 Qe7 15.a3 Rd8 16.Rd2 c5 17.Nf3 Be6 18.bc5 Nf3 19.Bf3 dc5 20.Rd8 Rd8 21.Bf6 Qf6 22.Qb6 (worse 22.Bb7 Rb8-/+) 22...Qe7 23.Qb7 (23.Rc1 Rd3=) 23...Qb7 24.Bb7 Bc4 25.Rc1 Bb5 26.h4 Rd7 27.Ba8 ½-½. Tsyhanchuk,S (2355) - Egorov,P (2230), Open Space IM, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

9.Nbd2 e4 10.Ne1 c6 11.a4 h5 12.Qb3 Ng4 (12...a5 13.b5=) 13.Nc2+= Qh4 14.Bg4 (14.h3 Nh6+=) 14...Qg4 (14...hg4 15.d5=+) 15.f3= ef3 16.Rf3 (worse 16.Nf3 Nf6–/+) 16...Nf6 17.Raf1 d5 (17...Bf5 18.d5 cd5 19.Bf6 Bf6 20.Rg3 dc4 21.Nc4 Bc2 22.Qc2=) 18.cd5 cd5 19.Rf6 (19.e4 Be6 20.Ne3 Qg5=) 19...Bf6= 20.Rf6 Qd1 21.Nf1 Bf5 22.Na1 (22.Qd5 Qc2 23.Qf7 Kh8 24.Rf5 gf5 25.Qf6 Kh7 26.Qf7 Kh6 27.Qf6 Kh7 28.Qf7 Kh6 29.Qf6 Kh7=) 22...Qb3 23.Nb3 Rad8 (23...Rac8 24.Nc5 b6 25.Nb3–/+) 24.Kf2 (24.Nc5!? Kg7 25.Rf5 gf5 26.Nb7=) 24...Kg7= 25.Rf5 gf5 26.Ke2 (26.Ng3 Kg6=) 26...Kf6 27.Kd3 h4 28.b5 (28.Bc3 Rh8=+) 28...b6 29.Bc3 Rg8 30.Be1 Rh8 31.Nfd2 Rdg8 32.Nf3 (32.g3 hg3 33.Bg3 Kg5=) 32...Rg2=+ 33.Bh4 Rh4 34.Nh4 Rf2 (34...Rh2 35.Nf3 Ra2 36.Nbd2=) 35.Nd2= Rh2 36.Nhf3 Rh1 37.Nb3 Rh3 (37...Ke6 38.Kd2=) 38.Nbd2 (38.Ng1!? Rh1 39.Ne2+-) 38...Rh1 39.Nb3 Rh3 ½–½. Sanguinetti,Luis (2245) – Arcos Facio,Mateo (2190), 83. ch–2013 Montevideo URU, 2013. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 0-0 5.Bb2 d6 6.e3 Nbd7 7.Be2 Re8 8.0-0 e5)

9.de5 de5

10.Qb3 a5 11.a3 c5 12.Nc3 b6 13.Rad1 Bb7 14.Nb5 e4 (14...cb4 15.Nd6 Nc5 16.Qa2+=) 15.Nd2 (15.Ne5 Re7+/–) 15...Bc6 16.Bf6 Bf6 (worse is 16...Qf6 17.Nc7 a4 18.Qa2+/–) 17.ba5 Ra5 18.Bg4 Bb5 (18...Bg7!?=) 19.cb5+/– Qa8?? (better is 19...Ra7+/–) 20.Bd7+- Ra3 21.Qa3! Qa3 22.Be8 Qb4 23.Bc6 Be5 24.Ne4 Kg7 25.f4 Qb3 26.fe5 Qe3 27.Kh1 c4 28.Nd6 Qe5 29.Nc4 Qe2 30.Nb6 f5 31.Nd5 Qb2 32.b6 1–0. bluepiramid2 (1695) – lider55 (1725), kurnik, 2012.

10.Qc2 c6 11.Rd1 (11.e4 Nh5=) 11...Qc7 (11...e4 12.Nfd2=) 12.Nbd2 (12.e4 Nh5+=) 12...Kh8 (12...c5 13.a3=) 13.Rac1 (13.c5 Kg8+/–) 13...Nb6 (13...h6 14.Ne4 Ne4 15.Qe4=) 14.h3 (14.a4 c5+=) 14...Bf5 (14...c5!?+=) 15.e4+/– Be6 (15...Bc8 16.c5 Nbd7 17.Nc4+-) 16.a3 (16.Be5 Qd8+-) 16...Bd7 (better is 16...Nh5+/–) 17.c5+- Nc8 18.Nc4 Nh5? (18...Be6+-) 19.Nd6 (better is 19.Be5 Be5 20.Nfe5+- (20.Nce5?! Be6+-)) 19...Nd6+/– 20.cd6 (20.Rd6 Nf4+/–) 20...Qb6 (20...Qd8 21.Bc4 Nf4 22.a4+=) 21.Qc5 (21.Ng5 f6 22.Bg4 Bg4 23.hg4 Nf4 24.Nf7 Kg8+/–) 21...Qc5 22.bc5 b6 23.Nd2 bc5 24.Bh5 gh5 25.Rc5 Rab8 26.Rb1 Bf8 27.Rc4?? Rbc8 28.Rbc1 Bd6 29.Nf3 Rb8 30.R4c2 Rb3?? 31.a4?? c5? 32.Rc3?? Rb2–+ 33.a5 Ra2 34.a6?? Ra6 35.Nd2 Be6 36.Nc4 Bc4 37.Rc4 Rb8 38.Kh2 Rb4 39.Rb4 cb4 40.Rb1 Rb6 41.f3 a5 (42.Kg3 b3–+) 0–1. M8IN3 – goliat, Live Game Caissa's Web, 2005.

10.Qc2 Qe7 11.a3 a5 12.Qa4 (12.c5 e4 13.Nfd2 ab4 14.ab4 Ra1 15.Ba1 Qe6=) 12...b6 (12...e4 13.Nd4=) 13.Qc6 Rb8 14.Qc7 Bb7 15.Rd1 (15.ba5? Rec8 16.Be5 Rc7 17.Bc7 Rc8 18.ab6 Nd5 19.cd5 Ba1–+) 15...ab4 16.ab4 Qb4 17.Ba3 (17.Bc3 Qe7 18.Ra7 Rec8+=) 17...Qa5 18.Rd7?? (better is 18.Nbd2 Bf3 19.Bf3=) 18...Nd7–/+ 19.Qd7 (19.Bb2!? Qb4 20.Ba3–/+) 19...Bf3–+ 20.gf3 e4 21.Ra2 Qe1 22.Kg2 Qb1 23.Rd2 ef3 (23...Bc3 24.Bb2 Bb2–+ (24...Bd2 25.Qd4 f6 26.Qd5 Kf8 27.Qd6 Re7 28.Qb8 Kf7 29.Ba3+=)) 24.Bf3–/+ Qb3 25.Qa7 (25.Rd3 Bc3 26.Bd5 Qa3 27.Bf7 Kf8–/+) 25...Qc4–+ 26.Rd7 Ra8?? 27.Ba8+- Qg4 28.Kh1 Be5+/– 29.Bg2 Qh4 30.h3?? Qf2–+ 31.Bb4 Qg3 32.Kg1 (32...Qe3 33.Kh1 Qc1 34.Rd1 Qd1 35.Be1 Qe1 36.Bf1 Qf1) 0–1. guest6721 – guest2517, ICC, 2005.

10.c5 Qe7 11.Nbd2 c6 12.Nc4 e4 13.Nfd2 Nd5? (better is 13...Rd8!?+=) 14.Bg7+- Kg7 15.Qb3 (better is 15.Nd6!?+-) 15...f5 16.Nd6 Rf8 17.Bc4 N7f6 18.Bd5 Nd5 19.g3 (19.Rfd1 Qf6+=) 19...Be6 20.Qb2 (20.f3 ef3 21.Rf3 b6=) 20...Kg8 21.a3 Rab8 22.Nb3 Qg7 23.Qg7 Kg7 24.Nd4 Bf7 25.Nf7 (25.h3!?+=) 25...Kf7= 26.Rfd1 Kf6 27.h4 h6 28.Kg2 g5 29.hg5 hg5 30.Rh1 Rh8 31.Rh8 Rh8 32.Rb1 a6 33.a4 Nc3 34.Ra1 Ke5 35.Ra3 Nd5 36.b5 f4 37.bc6 f3 38.Kg1+= bc6 39.Nc6 Kf5 40.Nd4 Kg4 41.Ra1 Rc8 42.Rc1+/– Nb4 43.c6 Nd3 44.Rb1 a5 45.Rb7 Nb4? 46.c7 Nd5 47.Nb5 Nc3?? 48.Nc3 1–0. bluepiramid2 (1620) – ingozachos (1765), kurnik, 2011.

10.e4 Ne4 11.Nc3 Ndf6 12.Nd5 Nd5 13.cd5 Bf5 14.Bd3 Nd6 15.Re1 Bd3 16.Qd3 e4 17.Qc2 Bb2 18.Qb2 ef3 19.Re8 Qe8 20.gf3 Qb5 21.Rc1 Rc8 22.Qb3 a5 23.a4 Qb4 24.Qb4 ab4 25.Rb1 b3 26.Rb3 b6 27.Kg2 Nf5 28.Kh3 Nd4 29.Rd3 Nc2 30.Rc3 Ne1 31.Kg3 Kf8 32.Re3 Nc2 33.Re2 Nd4 34.Rd2 Nf5 35.Kg4 Nd6 36.Kg5 Kg7 37.h4 h6 38.Kg4 Kf6 39.f4 h5 40.Kf3 Kf5 41.Rd4 Ne8 42.Ke2 Rd8 43.f3 Nf6 44.Rc4 Rd5 45.Rc7 Ke6 46.Ke3 Ra5 47.Rc6 Ke7 48.Rb6 Ra4 49.Kf2 Ra2 50.Kg3 Ra3 51.Rb5 Ra4 52.f5 Nd7 53.Rd5 Nb6 54.f6 Ke6 55.Rb5 Nd5 56.Rb6 Nb6 0–1. Chess4Win (1785) – MohammadRezeq (1770), lichess.org, 2020.

10.Ne5 Ne4 11.Nd3 Bb2 12.Nb2 a5+=.

10.Ne5 Ne4 11.Bf3?? Ne5 (11...Be5 12.Be5 Re5-+ (12...Ne5?! 13.Be4 Nc4 14.Qc2=)) 12.Be4-/+ Qd1 (12...Nf3! 13.Qf3 Bb2=+) 13.Rd1= Nf3 14.Bf3 (14.Bf3 Bb2 Discovered attack; 14.gf3 Bb2 Discovered attack) 14...Bb2 15.Nd2 Ba1 16.Rb1?? (better 16.Ra1 Bf5 17.Kf1=+) 16…Bc3 (16...Bc3 17.Ne4 Bg7-+) 0-1. PulpanJ (2680) - jimakos (2770), Rated Bullet game, lichess.org, 2018.

10.Ne5 Qe7 11.Nd7 Bd7 12.a3 Rad8 13.Nd2 Bf5 14.Qc1 Bh6 15.Nf3 Ne4 16.Re1 Bg7 17.Bg7 Kg7 18.Qb2 Kg8 19.Bf1 Be6 20.Rad1 Nd6 21.c5 Nc4 22.Qc3+- b5 23.cb6! Nb6 24.Bb5 Bd7 25.Bd7 Rd7 26.Rd7 Qd7 27.Rc1 Rc8 28.h3 Qe7 29.Nd4 a6 30.Nc6 Qd7 31.Qe5 Re8 32.Qd4 Qe6 33.Na5 Rc8 34.Nc4 Nc4 35.Qc4 Qd7 36.Qa6 c6 37.b5! c5 38.b6 Rc6 39.a4 Qd2 40.Qa8 Kg7 41.Qc6 Qc1 42.Kh2 Qc3 43.b7 Qe5 44.g3 Qb8 45.Qc8 (45.Qc8 Qd6 46.b8Q Qb8 47.Qb8+-) 1–0. Fournier,Frederic (1895) – Rerat,Jean Emmanuel (1620), Coupe, 2008.

9.de5 Ng4

10.Qc1 Nde5 11.Nbd2 Nf3 (11...a5 12.a3=) 12.Nf3 Ne5 13.Ne5 Be5 (13...de5 14.e4=) 14.Be5+= Re5 15.Qc3 Qe7 16.Rad1 Bd7 (16...Bf5 17.Bf3 a5 18.b5+=) 17.Bf3 Bc6 18.Bc6 bc6 19.a3 (19.a4 a5 20.b5 Rc5+=) 19...a5 20.g3 (20.Ra1 Qh4+=) 20...Qe6 (20...ab4 21.ab4 Re4 22.Ra1+=) 21.Rd2 Re8 22.Rfd1 Qh3 23.c5 ab4 24.ab4 d5 25.b5 Rh5–/+ 26.b6 Qh2 27.Kf1 Qh3 28.Ke2?? Qg4–+ 29.Kd3 cb6 30.cb6 Qa4 31.Rc2 Qb5 32.Kd2 Rh2 33.Ke1 Qb6 34.Qc6 Re3! 35.Kf1 Qc6 36.Rc6 Rh1 37.Kg2 Rd1 38.fe3 d4 39.ed4 Rd4 40.Rc7 Kg7 41.Ra7 Kf6 42.Ra6 Kg7?? 43.Ra7 h5 44.Kf3 g5 45.Rb7 Rd3 46.Kg2 Kg6 47.Rb5 f6 48.Ra5 Re3 49.Rb5 Re5 50.Rb3 Kf5 51.Rf3 Kg6 52.Rb3 Ra5 53.Rc3 Kf5 54.Kh3 g4 55.Kg2 Ra2 56.Kg1 Ke4 57.Rc4 Kf3 58.Rc3 Ke4?? 59.Rc4 Kf5?? 60.Rc3 Re2 61.Rc4 Re8 62.Kg2 Rh8 63.Rc5 Kg6 64.Ra5 f5 65.Ra6 Kg5 66.Kh2 h4 67.gh4 Rh4 68.Kg2 Rh8 69.Ra7 Re8 70.Ra5 Kf4 71.Ra4 Re4 72.Ra2 Rb4 73.Rf2 Kg5 74.Ra2 f4 75.Kg1 g3 76.Ra1 Kg4 77.Kg2 f3 78.Kg1 Kh3 79.Kf1 Kh2 80.Rb1 Rb1 0–1. Caro,Alberto N – Zorigt,D, La Habana olm fin–C, 1966.

10.Qc2 Nge5 11.Nbd2 b6 12.Ne5 Ne5 13.Nf3 Bb7 14.Ne5 Be5 15.Rfd1 Qf6 16.Be5 Qe5 17.c5 dc5 18.bc5 Be4 19.Qc4 Rad8 20.cb6 cb6 21.Qa4 a5 22.Rac1 Rd1 23.Rd1 Re6 24.Qd4 Qd4 25.Rd4 Kf8 26.a3 Ke7?? (26...f5 27.f3 Bc6 28.Kf2=) 27.f3?? (better 27.Bc4 f5 28.f3+-) 27...Bc6= 28.Kf2 Rd6 29.Rh4 (29.Rc4 f5=) 29...h5 30.Ke1 Bd7 31.Rc4 Be6 32.Rc7 Rd7 33.Rc3 Kd6 34.h3 Rc7 35.Kd2 (35.Rc7 Kc7 36.h4 Kd6=) 35...Rc3 36.Kc3 Kc5 37.Bd3 b5 38.g4 b4 39.ab4 ab4 40.Kb2 h4 41.f4 (41.Bf1 f6-/+) 41...Bd5 (41...Bc4 42.Bc2 Bf1 43.Bb3-+) 42.e4 (better 42.Bf1-/+) 42...Bc4-+ 43.Bc4 (43.Bc2-+) 43...Kc4 44.e5 Kd5 45.Kb3 g5 (45...Ke4 46.f5 Ke5 47.f6-+) 46.fg5 (46.Kb4 gf4 47.Kc3 Ke5 48.Kd3-+) 46...Ke5 47.Kb4 Kf4 48.Kc4 Kg3 49.Kd4 Kh3 50.g6 (50.Ke5 Kg4 51.Kf6 h3-+) 50…fg6 (50...fg6 51.Ke3 Kg4 52.Kf2 g5 53.Kg2 h3 54.Kh2 Kh4 55.Kg1 Kg3 56.Kf1 h2 57.Ke2 h1Q 58.Kd3 g4 59.Kc3 Qf3 60.Kc4 Kf2 61.Kb5 g3 62.Kb6 g2 63.Kb5 g1Q 64.Kb4 Qc1 65.Kb5 Qcc6 66.Kb4 Qfc3) 0-1. cipiripi (2260) - shaf (2330), Rated Blitz game, lichess.org, 2015.

10.Nc3 Nde5 11.Qb3 (11.Nd4 Nf6=) 11...Be6 (11...Nf3 12.Bf3 a5 13.b5=) 12.Rac1 (12.Nd4 Bd7+=) 12...Rb8 (12...a5!? 13.Ne5 Ne5= (worse 13...de5 14.Rcd1 Qb8 15.b5+=)) 13.Nd4+= Qh4 (13...Bd7 14.h3 Nf6 15.Rfd1+=) 14.h3+/- Nf6 15.Ne6 fe6 (15...Re6 16.Rcd1+/-) 16.f4+/- Nf7 17.c5 (17.Bd3 a6+/-) 17...d5 (17...c6 18.Rb1+=) 18.Bf3 (18.Bd3 c6+/-) 18...Nh5 19.Ne2 Ng3 (19...Bb2 20.Qb2 c6 21.Rc3+=) 20.Bg7 (20.Ng3 Bb2 21.Qb2 Qg3+/-) 20...Ne2 21.Be2 Kg7 22.Qb2 (22.Qa4 a6+=) 22...Qf6 23.Qd4 (23.Qc2 c6+=) 23...Qd4 (23...c6 24.Qd2=) 24.ed4+= Nh6 (24...a6 25.Kf2+=) 25.g4 Ng8 26.Kg2 Nf6 (26...a6 27.Rce1+=) 27.Bd3 (27.Rfe1 Kf7+=) 27...Kf7 (27...h5 28.Kg3+=) 28.Rce1 (28.Kf3 Ng8+=) 28...c6 (28...b6 29.cb6 ab6 30.Rc1+=) 29.Re2+/- b6 30.Rfe1 (30.a3 bc5 31.bc5 Rb3+=) 30...bc5= 31.bc5 Rb4 32.g5 (better 32.Rd1!?=) 32...Nh5-/+ 33.Rf1? (better 33.Rd2 Nf4 34.Kg3 Nh5 35.Kg2-/+) 33...Rd4-+ 34.Bc2 (34.Ba6 Nf4 35.Kg3 e5-+) 34...Rf4 (34...Nf4 35.Kg3 e5 36.Re3-+) 35.Ref2 (35.Re3 Rf1 36.Kf1 Nf4-+) 35...e5 36.Ba4 (36.Rb1 Re7-+) 36...Rf2 (36...Ke6 37.Rf4 Nf4 38.Kg3-+) 37.Rf2 (37.Kf2 Rc8-+) 37...Nf4 38.Kg3 Rc8 39.Rb2 (39.Rf3 Rc7-+) 39...Ke6 (better 39...Rc7!? 40.Rf2-+) 40.Rb7 d4 (40...Ne2 41.Kg2 Nc3 42.Bc2-+) 41.Kf3 (41.Bb3 Kf5-+) 41...Nd5 (better 41...Kd5 42.Rh7 Rf8 43.Kg3-+) 42.Bb3? (better 42.Ra7 Rf8 43.Kg4 Ne3 44.Kg3-+) 42...Rf8 43.Ke2 (43.Ke4-+) 43...Rf7 (43...e4!? 44.Ke1 e3 45.Bc4-+) 44.Rb8?? (44.Bd5 cd5 45.c6-+) 44...Kf5-+ 45.Rd8 (45.h4 Nf4 46.Kf3 e4 47.Kg3 Nd5-+) 45...Ke4 (better 45...Nf4 46.Kd2 Re7-+) 46.Rd6 (46.Bc2 Kf4 47.Bb3 Nc3 48.Kd3-+) 46...Nc3 (better 46...d3 47.Kd1 Rf1 48.Kd2 Rf2 49.Kc1-+) 47.Ke1 Rf3 48.Bc2 (48.Rc6 Ke3 49.Bc4 Rh3 50.Rf6-+) 48...Ke3 49.Re6 (49.Rc6 Rf2 50.Bd1 d3 51.Rd6 Nd1 52.Rd5 Nb2 53.Rd7 Re2 54.Kf1 d2 55.Rd2 Rd2 56.c6 Kf3 57.Kg1 Rg2 58.Kf1 Nc4 59.c7 Ne3 60.Ke1 Re2) 49...e4 50.Rc6 Rh3 (50...Rh3 51.Kf1 d3 52.Bd3 ed3-+) 0-1. Osmak,Iulija (2425) - Paehtz,Elisabeth (2455), Women's Speed Chess Q3, 2021.

10.Nc3 Nde5 11.Ne5 Ne5 12.Rc1=.

10.Nc3 Nge5 11.Ne5 Ne5 12.Qc2=+.

8.0-0 e6

9.Nc3 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 e5 13.Rd1 ed4 14.Nd4 Ne5 15.c5 Bg4 16.f3 Bd7 17.cd6 cd6 18.e4 Qc7 19.Qa7 Rf8 20.Rd2 Qb8 21.Ndb5 Nc6 22.Qa3 Rd8 23.Nd6 Bh6 24.Rd3 Bf4 25.Ncb5 Ne8 26.Ne8 Be8 27.g3 Bg3 28.hg3?? Qg3= 29.Kf1 Bd7 30.Rd7 Qh3 31.Kf2 Qh2 32.Ke3 Qg1–/+ 33.Kf4 Rd7 34.Bf6 g5 35.Bg5 Qh2 36.Ke3 f6 37.Qa8 Nd8 38.Bf6 Qh6 39.f4 Qf6 40.Bc4 Kg7 41.Qc8 Qc6 42.Qc6 Nc6 43.e5 Nb4 44.Nd6 Kf8 45.Kd4 Nc6 46.Kc5 Nd8 47.f5 Rc7 48.Kb6 Rc6–/+ 49.Kb5 h5 50.Be2? Rc1 51.Bh5=+ Nc6 52.Nb7 Ne5 53.Nc5 Rb1 54.Ka4 Ke7 55.Bg6 Kf6 56.Ne4 Kg7 57.Nc3 Rb2 58.Ne4 Ng6 59.fg6=+ Kg6 60.Nc5 Kf5 61.Ka5 Rb1 62.Nd7 Ke6 63.Nc5 Kd5 64.Nd7 Kd4 65.Ka4 Rb7 66.Nf6 Rf7 67.Ng8?? Kc4–+ 68.Ka3 Rf3 69.Kb2 Rb3 70.Ka2 Rg3 71.Ne7 Kb4 72.Nc6 Kc5 73.Ne5 Kd6 74.Nf7?? Ke6–+ 75.Nd8 Kd5 76.Nf7 Rg7 77.Nh6 Ke6 78.Kb3 Rg6 79.Nf7 0–1. Fritz 8 – Fritz 6, 2004.

9.Nc3 Nb6 10.e4 Bd7 11.c5 Nc8 12.cd6 cd6 13.Nd2 Qe7 14.Rc1 e5 15.de5 de5+= 16.a3 Nd6 17.a4 Rac8 18.Qc2 b5 19.Rfd1 ba4 20.b5 Nb5!–/+ 21.Nf3 a6 22.Qd3 a3 23.Ba1 Nd4 24.Nd4 ed4 25.Qd4 Ne4 26.Qd7?? Nc3 27.Qe7 Re7 28.Ba6 Ne2 29.Be2 Rc1 30.Rc1 Re2 31.Rc8 Bf8 32.Kf1 Rd2 33.Ke1 Rd6 34.h4 Re6 35.Kd2 f5 36.Rc2 Be7 37.Ra2 Bh4 38.Ra3 Bf2 39.Rb3 h6 40.Rb7 f4 41.Bc3?? Be1 42.Kc2 Rc6 43.Rb3 f3 44.gf3 h5 45.Rb8 Kf7 46.Rb7 Kf8 47.Rb8 Ke7 48.Rb3 Bc3 49.Rc3 Rc3 50.Kc3 h4 51.f4 h3 52.Kc4 h2 53.Kd5 h1Q 54.Kd4 0–1. EXchess 3.11 – Crafty 19.01, 2004.

9.Nbd2 e5 10.de5 Ne5 11.Ne5 de5 12.e4=.

9.Nbd2 Qe7 10.Rc1 e5 11.d5 e4 12.Nd4 Ne5 13.Qc2 Neg4 14.h3 Nh6 15.a4 Nf5 16.Nb5 a6 17.Nc3 Nh4 18.Kh2 (18.a5!?+=) 18...Qe5 19.g3 Qf5 20.g4 (20.gh4 Qh3 21.Kg1 Ng4 22.Nf3 ef3 23.Qg6 Qg2) 20...Qe5 21.Kh1 Qe7 22.Rg1 g5 23.Bf1 Bd7 24.b5 h5 (better is 24...ab5!? 25.cb5 Bc8=) 25.gh5+/– g4 (better is 25...Bh6!?+/–) 26.Be2 Nf3 27.Bf3 (better is 27.Nf3!? ef3 28.h6 fe2 29.hg7+/–) 27...ef3+/– 28.Nf3 gf3 29.h6 Ng4 30.hg7 (30.Rg4 Bg4 31.Nd1 Qh4 32.h7 Kh8 33.Bg7 Kg7 34.Kh2 Qh3 35.Kg1 Qg2) 30...Qh4 31.Rg3 Ne3! 32.fe3 Qg3 33.Qh2 Qh3 (33...Qh4 34.Nd1–+) 34.Qh3 Bh3 35.Kh2 Bg2 36.Nd1 f5 37.c5 (37.Kg3!?–+) 37...ab5 38.cd6 cd6 39.ab5 Rec8 40.Rb1 Bf1 41.Kg3 Bd3 42.Rc1? (42.Ra1 Ra1 43.Ba1 Bb5 44.Nf2–+) 42...Rc1 43.Bc1 Ra1 (better is 43...Ra2!? 44.Nf2 Be4 45.b6 Kg7 46.Nh1 Rg2 47.Kh3 Bd5 48.Ba3–+) 44.Nf2 Be4 45.Bb2 (45.Bd2–+) 45...Rg1 46.Kh3 Rg2 (46...Rg2 47.Ne4 fe4–+) 0–1. Kuhn – Huber, Metz op, 1995.

8.Nc3 e5

9.0-0 e4 10.Nd2 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 Nb6 14.Qa7 c6 (14...Qe7 15.Ra1+=) 15.Ra1 Qc7 (15...Nbd7 16.c5+=) 16.Qa5+/– Qd8 (better is 16...h6!?+/–) 17.c5+- dc5 18.bc5 Nbd5 19.Qd8 Rd8 20.Nce4 Ne4 21.Ne4 Be6 22.Ra7 Bc8? 23.Nd6 b5 24.Ra8 Ne7 25.Bf3 Rf8 26.Nc8 Rc8 27.Bc6! b4 28.Rc8 (28.Rc8 Nc8 29.Kf1+-) 1–0. pcmvr – grotesmurf (2405), net–chess.com, 2009.

9.0-0 e4 10.Nd2 Qe7 11.Qb3 h5 12.c5 Nf8 13.Rac1 Be6 14.cd6 cd6 15.Qa3 Bf5 16.Nc4 d5 17.Ne5 Ne6 18.Qb3 Red8 19.b5 Bf8 20.f3 Bh6 21.Na4 ef3 22.Bf3 Ne4 23.Be4 de4 24.d5 Nf8 25.b6 ab6 26.Nb6 Ra6 27.Bd4 Bg7 28.Qb2 f6 29.Nec4 Nd7 30.Rfd1 h4 31.h3 Nb6 32.Bb6 Rda8 33.a3 Bd7 34.Qb4 Qb4= 35.ab4 Bb5 36.d6 Bd7 37.Bc5 Rd8 38.Nb6 Bc6 39.d7 Bf8 40.Bd4 Kf7 41.Rb1 Bb5 42.Rdc1 Ke6 43.Rc7 Bd6 44.Rc8 Be7 45.Rd1 Ra3 46.Rc7 Rd3 ½–½. Shrentzel,Israel (2375) – Hansen,Carsten (2290), Forli op, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

9.a4 e4 10.Nd2 Nf8 11.b5 h5 12.h3 N8h7 13.a5 Ng4 14.Qb3 Bf5 15.a6! b6 16.0-0-0! Qc8. Sokolski – Kotov, 1960.

9.b5 e4 10.Nd2 Nf8 11.a4 c5 12.bc6 bc6 13.Rb1+=.

9.b5 e4 10.Nd2 Nf8 11.a4 c6 12.a5 Rb8 13.0-0 Bf5 14.a6 Qc7 (14...Qd7 15.ab7 Rb7 16.h3+=) 15.ab7 Rb7 16.Ra6 (16.g4 Be6 17.g5 N6d7 18.Nde4 d5 19.bc6 Qc6 20.cd5 Bd5+/–) 16...c5 (16...Bd7 17.Qa1+/–) 17.Rc6 (17.dc5!? Qc5 18.Nb3+-) 17...Qe7+/– 18.dc5 dc5 19.Ba3 N6d7 20.Nd5 Qg5 21.g3 Ne5 (21...Nb8 22.Rd6 Ne6 23.f3 ef3 24.Nf3+=) 22.h4 (22.f4 ef3 23.Nf3 Nf3 24.Bf3 Nd7+/–) 22...Qh6 23.Ra6 Ne6 (23...Nfd7 24.Nb3 Kh8 25.Re1+=) 24.Nb3 (24.g4 Bg4 25.Bg4 Qh4 26.Be2+= (26.Ne4?? Ng4 27.Nef6 Nf6 28.Nf6 Bf6–+)) 24...g5?? (24...Bh3 25.Re1+= (worse is 25.Nc5 Nc5 26.Bc5 Bf1 27.Qf1 Rd7+=)) 25.hg5?? (better is 25.Nc5 Rb6 26.Ra7+-) 25...Qh3 26.Re6 Be6 27.Nf4 Qf5+= 28.Nc5 Rbb8 29.Qa4 Nf3 30.Bf3 ef3 31.Nce6 fe6 32.Bd6 e5 33.e4+= Qg4 34.Nd3 Rbd8 35.c5 Bf8 36.Ne5+- Re5? 37.Be5 Qe6 38.Bf6 Bc5 39.Bd8 1–0. Kaenel,Hansjuerg (2390) – Rickly,Matthieu, Zuerich op–B, 1994. (=1.Nf3 g6 2.d4 Bg7 3.e3 d6 4.c4 Nf6 5.b4 0-0 6.Bb2 Nbd7 7.Be2)

9.b5 e4 10.Nd2 Nf8 11.a4 Bf5 12.g4+/– Bc8 13.g5 N6d7 14.Nde4 f5 15.gf6! Nf6 16.Ng3 Bh3 17.Bf3 Rb8 18.Rg1 N8d7 19.Nge2 Bh6 20.Rg3 Be6 21.Qb3 c6 22.Ba3 Bf8 23.Nf4 Bf7 24.Rd1 a6 25.d5 c5 26.Bb2 Ne5 27.Bg2 Nfd7 28.Ne4 Nb6 29.Be5 Re5+/– 30.Ne6 Qh4 31.N6g5 Be7 32.f4 Rg5 33.fg5 a5 34.Kf2 Rf8 35.Kg1 Be8 36.Qc3 Bd7 37.Qa5 Nc4 38.Qc7 Ne5 39.Nd6 Bg5? 40.Ne4 Ng4 41.Rh3 Be3 42.Kh1 Qe7 43.Rf3 Rf5 44.Rdf1 Bd4 45.h3 Ne3 46.Qb8 Kg7 47.Ng3 Rf3 48.Rf3 Bg4?? 49.d6 (49.d6 Qd6 50.Qd6 Bf3 51.Bf3+-; 49.hg4?! Qh4 50.Kg1 Ng4 51.Kf1 Nh2 52.Ke1 Nf3 53.Bf3 Kh6+-) 1–0. Kaenel,Hansjuerg (2390) – Maurer,Fritz (2240), Bern op, 1994. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nbd7 7.Be2)

9.b5 e4 10.Nd2 h5 11.Qc2 Qe7 12.0-0 Nf8 13.Nd5 (13.a4 Bg4+=) 13...Nd5= 14.cd5 Bg4 15.Bg4 hg4 16.Rfc1 Rac8 17.a4 Nh7 18.a5 Nf6 19.Qb3 Qd7 20.b6 ab6 21.ab6 cb6 22.Ba3 Bf8 23.g3 (23.Nb1!?=) 23...Qf5 24.Qb6 Nh7 (24...Qd5 25.Bb2+=) 25.Qb5 (25.Bd6 Bd6 26.Qd6 Ng5–+) 25...Ng5–/+ 26.Kg2 Rc1 27.Rc1 Ra8 28.Rc3 Nh3 (28...Nf3 29.Nf3 (29.Qb7?? Nd2 30.Kg1 Qf3–+) 29...gf3 30.Kg1–+) 29.Qe2 b5 30.Rb3 Ra5 31.Bb2 Be7 32.Bc3 Ra2 33.Rb5?? (better is 33.Bb2+=) 33...Rc2–+ 34.Rb3 (34.Ba5 Rc1 35.Rb1 Qf3 36.Nf3 ef3 37.Qf3 gf3 38.Kh3 Rb1 39.Kg4–+) 34...Rc1 35.Rb1 Rc3 (35...Rc3 36.Rd1 Rc2–+) 0–1. Kaenel,Hansjuerg (2370) – Seps,Monika (2190), SUI, 1st Division, 2012. (=1.Nf3 d6 2.d4 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Be2 Nbd7 7.c4 Re8 8.Nc3 e5)

9.d5 e4 10.Nd2 Qe7 11.Qb3 h5 12.h3 h4 13.a4 a5 14.b5 Nc5 15.Qc2 Bf5 16.0-0 g5 17.Nb3 Nb3 18.Qb3 b6 19.Rae1 g4 20.hg4 Ng4 21.Nd1 Be5 22.Kh1 h3 23.g3 (23.gh3 Qh4 24.Kg2 Nh2 25.f4 Bh3 26.Kh2 Bg4 27.Kg2 Qh3 28.Kg1 Qg3 29.Kh1 Kg7 30.Be5 de5 31.Bg4 Rh8 32.Bh3 Rh3) 23...Qg5 24.Be5 Re5 25.Nc3 Kf8 26.Bd1 Ke7 27.Ne2 Kd7 28.Nf4 Rg8 29.Bg4 Bg4 30.Kh2 Bf3 31.Rg1 Qh6 32.Rb1 Reg5 33.Qc3 Rg4 34.Qd2 Qf6 ½–½. Zenner,Claus – Straschewski,Joerg, GER jub50 qJVM61 corr, 1996. (=1.d4 g6 2.Nf3 Bg7 3.e3 Nf6 4.b4 0-0 5.Bb2 d6 6.Be2 Nbd7 7.c4 Re8 8.Nc3 e5)

9.d5 Nf8 10.0-0 h6 11.a3 e4 12.Nd4 N8h7 13.Qc2 Ng5 14.f3 (14.Nb3!?=) 14...ef3=+ 15.Bf3 Re3 16.Bc1 (better is 16.Qd2!? Qe7 17.Be2=+) 16...Nf3–+ 17.gf3 Re7 18.Kh1 Bh3 19.Rg1 Qd7 20.Ne4?? (better is 20.Bb2–+) 20...Ne4 21.fe4 Bd4 22.Bh6 (22.Bb2 Bb2 23.Qb2 Re4–+) 22...Rae8 23.Rg3 (23.Rad1 Re4 24.Rd4 Rd4 25.Qf2–+) 23...Ba1 24.Qf2 Re4 25.Rh3 Qh3 (26.Bd2 Re1 27.Be1 Re1 28.Qe1 Qf3 29.Kg1 Bd4 30.Qf2 Qf2 31.Kh1 Qf1) 0–1. Pierred – Guest94086, Friendly Game, 5m + 0s, 2003.

9.de5 de5 10.Qc2 e4 11.Nd2 Nb6 12.Nce4 Ne4 13.Bg7 Nd2 14.Bc3 Ndc4 15.Rd1 Qg5 16.0-0 Bh3 17.Bf3 Rad8 18.Rd8 Rd8 19.Rd1 Rd1 20.Qd1 Ne3 21.Qd4 f6 22.Qe3 Qe3 23.fe3 Bf5 24.Bf6 Nc4 25.Bb7 Ne3 26.h3 Nc2 27.Be7 Be6 28.Bc5 Ba2 29.Be4 Na3 30.Ba7 Nb5 31.Bc5 Kf7 32.Kf2 Ke6 33.Ke3 Ke5 34.g3 Nc3 35.Bc2 Nd5 36.Kf3 Nc3 37.h4 Kd5 38.g4 Kc4 39.h5 Na4 40.Bf8 Nb6 41.hg6 hg6 42.Bg6 Nd5 43.Bf7 Kc3 44.g5 Nb4 45.Ba2 Na2 46.g6 Kd4 47.g7 c5 48.g8Q c4 49.Qg4 Kc3 50.Bg7 Kb4 0–1. Chess4Win (1650) – deWrede (1720), lichess.org, 2019.

9.de5 Ne5 10.Ne5 de5 11.0-0 Qe7 12.Qb3 c6 13.b5 Bf5 14.Rfd1 Bf8 15.a4 Nd7 16.e4 Nc5 17.Qc2 Bc8 18.a5 Ne6 19.a6 Nd4 20.ab7 Bb7 (20...Nc2?? 21.ba8Q (21.ba8R?! Na1 22.Ra1 Qb4+=) 21...Na1 22.Ra1 cb5 23.Nd5+- (worse is 23.Qa7 Qa7 24.Ra7 b4+-; 23.Nb5?! Bg4 24.Qe8 Qe8 25.Bg4 Qc6+-; worse is 23.Ra7 Be6 24.Qc6 Qa7 25.Qe8 bc4+-)) 21.Qd3 Qb4 22.Rab1 cb5 23.cb5 Rad8 ½–½. Krnic,Zdenko (2390) – Zarak,Dalibor, YUG–chT, 1986. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Nbd7 7.Be2)

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

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