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TESTJ500 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

Table of contents:

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6.a4 Nbd7 7.d4= c5 8.bc5 dc5 9.Be2 cd4 (9...b6 10.0-0=) 10.ed4 b6 (10...Qb6 11.Bc3=) 11.0-0 Bb7 12.Nbd2 (better is 12.a5=) 12...e5 (better is 12...e6!?=) 13.Ne5+/- (13.de5?! Ng4=) 13...Ne5 14.de5 Ng4?? (better is 14...Nd7 15.f4 Nc5+/-) 15.Bg4+– 1–0. DEFFM – GuestKPMH, freechess.org, 2018.

6.a4 e5 7.d4+=.

6.Qb3 Nbd7 7.Be2 c5 8.b5 b6 9.a4 Bb7 10.0-0 e5 11.d3 Ne8 12.Nbd2 f5 13.Rfe1?? (13.a5 ba5 14.Bc3 e4=) 13...Nc7 (13...e4 14.Bg7 Ng7 15.Qd1-+) 14.Rac1?? (14.a5 ba5 15.Reb1 a6=) 14...Ne6 Black prepares the advance f4 (better 14...e4-+) 15.h3 f4 16.Ne4 (16.e4 Qf6=) 16...Be4 (16...fe3 17.fe3 Bh6 18.Bd1=) 17.de4= Nf6 18.ef4 Nf4 19.Bf1 Qc7 20.Rcd1 Rad8 21.Rd5?? (better 21.Bc1+=) 21...N6d5-/+ 22.ed5 h6 23.Qc2 (23.g3 Nh5-/+) 23...Qf7 (23...Nh3 24.gh3 Rf3 25.Qg6-+) 24.Nh2 g5 25.f3 Nh5 (25...Qh5 26.Ng4-/+) 26.Qe4 Ng3 27.Qd3 Qf4 28.Bc1 Qd4 29.Qd4 ed4 30.Bd3 Nf5 (30...Rde8!? 31.Kf2 Re1 32.Ke1 Re8 33.Kf2 Nh1 34.Kf1 Kf7-/+) 31.Re6 Ne3! 32.Ng4 (32.Be3 de3 Passed pawn) 32...Ng4-/+ 33.hg4 Rfe8 34.Bf5 Re6 35.Be6 Kf8 36.Kf2 Be5 37.Bd2 Kg7 (37...Bf4 38.Bf4 gf4 39.g3-/+) 38.a5 (38.g3 Rf8-/+) 38...Kf6 (38...a6 39.ab6 ab5 40.cb5-+) 39.a6 (39.ab6 ab6 40.g3-+) 39...Re8 (39...Bf4 40.Bf4 gf4 41.g3-+) 40.Bf5? (better 40.g3 Kg7 41.f4=+) 40...Bf4-+ 41.Bf4 gf4 42.g3 fg3 43.Kg3 Re3 44.Bd7 (44.Bh7 Ke5-+) 44...Rc3 45.Kf4 Rc4 46.Ke4 Rc3 47.Bc8 (47.Kf4 Re3 48.Bf5 c4-+) 47...Re3 (47...Kg5 48.f4 Kf6 49.g5 hg5 50.fg5 Kg5 51.Be6 Re3) 48.Kf4-+ Re5 49.Be6 (49.Kg3 d3 50.f4 Rd5 51.g5 hg5-+) 49...Re1 (better 49...d3 50.Kg3 d2-+) 50.Kg3 d3 51.f4 (51.Bf5 d2 52.Bc2-+) 51...d2 52.g5 hg5 53.fg5 (53.Bg4 Rg1 54.Kh2 Rg4 55.fg5 Kg5 56.Kh3 d1Q 57.Kh2 Qe2 58.Kh3 Qg2) 53...Kg5 54.Bg4 (54.Bd7 d1Q 55.Bh3 Re2 56.Bg2 Qg1 57.Kf3 Qg2) 54...Rg1 55.Kf3 (55.Kf2 Kg4 56.Ke2 d1Q 57.Ke3 Re1 58.Kf2 Qe2) 55...Rg4 (55...d1Q 56.Ke3 Re1 57.Kf2 Kg4 58.Kg2 Qe2) 56.Ke2 Rd4 57.Kd1 (57.Kf3 d1Q 58.Kg3 Rd2 59.Kh3 Qf3) 57...Kf4 (57...c4 58.Ke2 d1Q 59.Ke3 Rd2 60.Ke4 Qe2) 58.Ke2 (58.Kc2 d1Q 59.Kb2 Rb4 60.Kc3 Rb3 61.Kc4 Qd3) 58...d1Q 59.Kf2 Qd2 (59...Rd2) 60.Kf1 Ra4 (60...Ra4 61.Kg1 Ra1; 60...Re4 61.Kg1 Re1) 0-1. Borda,Marcelo (1625) - Bondar,Daria, XX Rio Grande Domingo Int, 2020.

6.Qb3 Be6 7.d4= b5 (7...Nbd7 8.Be2=) 8.d5+= Bg4 (8...bc4 9.Bc4 Bg4 10.Nbd2+=) 9.cb5+/- Bf3 10.gf3 Nbd7 11.a4 Ne5 (11...Re8 12.Rg1+/-) 12.Be2 Rb8 13.Nc3 Qc8 (13...Ned7 14.f4+/-) 14.0-0 (14.f4 Ned7+-) 14...Qb7 (14...Qf5 15.Qd1+=) 15.e4 (15.f4 Ned7+/-) 15...Ned7 16.Ba3 (16.Rfe1 Rfe8+/-) 16...Nb6 17.Rac1 e6 (17...Nh5!?+/-) 18.a5+- Nbd7 19.Na4?? (better 19.de6 fe6 20.a6+-) 19...ed5=+ 20.ed5 Nd5 21.Rc6? (better 21.a6 Qa8 22.Rfe1-/+) 21...Ne5?? (better 21...Nf4 22.Qc4 Ne2 23.Qe2 Rfe8-+) 22.Qd5+/- Nc6 23.bc6 Qc8 24.b5 Qe6 25.Bc4?? (better 25.Qe6 fe6 26.b6 ab6 27.ab6+-) 25...Qd5-+ 26.Bd5 Rb5 27.Be4 Ra5 28.Bc2 Re8 (28...Ra6 29.Rb1-+) 29.Bb4 Rg5 (29...Ra6 30.Nc3-+) 30.Kh1 Re2 31.Bd3 Rd2?? (better 31...Ra2 32.Bd6 Ra4 (32...cd6? 33.c7 Ra4 34.c8Q Bf8 35.Rb1+-) 33.Bc7 Rc5-+) 32.Bd2+- Rd5 33.Nb2! Bb2 34.Bc1?? (better 34.Rb1 Rd3 35.Rb2+/-) 34...Bc1-+ (34...Rd3 35.Bb2 Rf3 36.Re1+/-) 35.Rc1 (35.Bg6 fg6 36.Rc1 Rc5-+) 35...Rd3 36.Kg2 Ra3 37.Rb1 a5 (better 37...Rc3!? 38.Rb7 Rc6 39.Ra7-+) 38.Rb7 a4 39.Rc7 Rc3 40.Rc8 Kg7 41.c7 a3 42.Ra8 Rc7 (42...Rc7 43.Ra3 Kf6-+) 0-1. ClayPigeons (2170) - R3_D3 (2300), Rated Bullet game, lichess.org, 2021.

6.b5 Ne4 7.Bg7+= Kg7 8.Bd3 (better is 8.d4+=) 8...Nf2? (better is 8...Nf6=) 9.Kf2+– e5 10.Nc3 (10.Rf1 f5 11.Be2 e4+–) 10...Qf6 (10...f5 11.Be2+–) 11.Rf1 Bg4 (11...Qd8 12.Be2+–) 12.Nd5 (12.Be4 c6+–) 12...Bf3 (12...Qd8 13.Kg1+–) 13.Qf3 (worse is 13.Nf6 Bd1 14.Nd5 Bg4 15.Nc7 Nd7 16.Na8 Ra8+–) 13...Qf3 14.gf3 a5 (14...Rc8+–) 15.Nc7 Ra7 (15...Nd7 16.Na8 Ra8 17.Be4+–) 16.b6 Ra6 17.Na6 (17.Rfb1 f5+–) 17...Na6 18.Be4 Nc5 19.Bd5 Nd3 (19...f5 20.a3+–) 20.Ke2 Nb4 21.Bb7 f5 (21...Rb8 22.a3 Nc2 23.Ra2 Rb7 24.Rb1 Ne3 25.de3+–) 22.a3 Nc2 23.Ra2 e4 1–0. DEFFM – GuestJGYQ, freechess.org, 2018.

6.Qc2 b6 7.Be2 Bb7 8.0-0 e5 9.d4 e4 (9...ed4 10.ed4 Re8 11.Nc3=) 10.Nfd2+= Qe7 11.Nb3 (11.Nc3 a6+=) 11...Nbd7 12.N1d2 c5 13.a3 Rac8 14.d5 Rfe8 15.Kh1 (15.b5 a6 16.a4 Ra8+=) 15...h5 (15...b5 16.bc5 bc4 17.cd6 (worse is 17.Qc4 Bd5 18.Qa4 dc5–/+) 17...Qd6 18.Nc4 Qd5 19.Rad1=) 16.bc5+= dc5 17.a4 Ne5 (17...h4!?+=) 18.Ne4+/- Rcd8 (18...Ne4!? 19.Qe4 Rcd8+/-) 19.Nf6+– Bf6 20.a5 Qd6 (20...h4 21.ab6 ab6 22.Ra7+–) 21.h3 (21.ab6 ab6 22.Nd2 Bg7+–) 21...Bc8 (21...b5 22.a6 Ba8 23.e4+–) 22.f4 (22.ab6 Bf5 23.e4 Be4 24.Qe4 Ng4 25.Qe8 Re8 26.hg4 Bb2+/-) 22...Nd7+/- 23.Ra2 (better is 23.ab6!? ab6 24.Rf3+/-) 23...Re3= 24.Bd3 Bb2 25.Rb2 Rde8 26.ab6 ab6 27.Rf2 (27.Nd2 f5=) 27...Nb8 (27...Nf6 28.Nd2=) 28.Nc1 (28.Nd2!?=) 28...Na6 29.Na2 Qf6 30.Qd2 (30.Rb1 Qd4 31.Rd1 Re1 32.Rf1 Rf1 33.Rf1 Re3 34.Bg6 fg6 35.Qg6 Kf8 36.Qh6 Kf7 37.Qh5 Ke7 38.Qg5 Kd7 39.Qg4 Kd8 40.Qg8 Kc7+=) 30...Qd4 (30...Bh3 31.gh3 Rh3 32.Rh2 Rd3 33.Qd3 Re1 34.Kg2 Qb2 35.Kh3–+) 31.Nc1 (31.Bf1 Qf6=) 31...Nb4 (better is 31...Re1 32.Kh2 Nb4 33.Rb4 cb4–+) 32.Rb3?? (32.Bf1 Qd2 33.Rbd2= (33.Rfd2?? Re1 34.Kg1 Rc1–+)) 32...Bd7?? (better is 32...Re1 33.Kh2 Rc1 34.Qc1 Qf2–+ (worse is 34...Nd3 35.Rd3 Qf2 36.Rf3–+)) 33.Kh2 Re1 (33...Nd3?! 34.Rd3 Rd3 35.Nd3 Qc4 36.Ne5+=) 34.f5? (34.Na2 Nd3 35.Rd3 Qc4–/+) 34...Qe5 (better is 34...R8e3 35.Bf1 Qd2 36.Rd2 Rb3 (36...Rf1?! 37.Re3 Rc1 38.fg6=) 37.Nb3 Rf1 38.fg6 Rb1 39.gf7 Kf8–+) 35.g3–/+ h4 (35...Re3 36.Rg2 h4 37.Qf2 Rg3 38.Rg3–/+) 36.Kg2?? (36.Be2 hg3 37.Rg3 Rh1 38.Kh1 Qg3 39.Rf3=) 36...Qg3 0–1. Hilbert,Stephan J (1715) – Ramos,Francis (1615), FICGS, 2015.

6.Qc2 c5 7.b5+= Nbd7 (7...a6 8.a4+=) 8.Be2 (8.Bd3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nb6+=) 8...a6 9.a4 (9.Nc3 Nb6=) 9...ab5+= 10.ab5 Ra1 11.Ba1 b6 (11...Nb6 12.d3+=) 12.0-0= Bb7 13.d3 Qc7 14.e4 (14.h3 Ra8 15.Nbd2 d5=) 14...Ra8+= 15.Bb2 e6 16.Rd1 d5 17.ed5 ed5 18.d4 Re8 19.dc5 Nc5 (19...Qc5 20.Ba3 Qc8 21.Qa2+=) 20.Bf6+= Bf6 21.cd5 Qf4 22.Bc4 Rd8 The isolani on d5 becomes a target 23.Ba2 Kg7 24.h3 Ne4 (24...Na4 25.Qd2 Qd6 26.Nd4+=) 25.Qc4 (25.Re1 Ng5 26.Nbd2 Bd5 27.Ng5 Qg5 28.Bd5 Rd5+=) 25...Rc8–/+ 26.Qd3 (26.Qb4 Qf5 27.Qa4 Nc5+=) 26...Nd6 27.Nd4 Rc1 28.Ne2 Rd1 29.Qd1 Qb4 30.Qd2 (30.Nd2 Qb5 31.Nf4 Qc5–/+) 30...Qb5 31.Nbc3 Qb4 32.g4 (32.Qe3 h6–/+) 32...Nb5 33.Nb1 Qe4 34.Qe3 Bd5 35.Bd5 Qd5 36.Nd2 Nd6 37.Nc3 Qc6 38.Nce4 Ne4 39.Ne4 Bb2 40.f3 (40.Kg2 b5–+) 40...b5–+ 41.Qd2 Be5 42.Kg2 (42.Kf2 Qb6 43.Ke2 Qg1–+) 42...Qc4 43.h4 (43.Ng3 h6 44.Qe1 Qf4–+) 43...b4 44.h5 Qd4 45.h6 (45.Qc1 Qb2 46.Qb2 Bb2 47.hg6 fg6–+) 45...Kf8 46.Qc2 (46.Qe1 b3 47.Qa5 b2 48.Qa3 Ke8 49.Qa8 Qd8 50.Qc6 Kf8 51.Qc5 Qe7 52.Qc8 Qe8 53.Qc5 Kg8–+) 46...Qb2 47.Qb2 Bb2 48.Kf1 (48.Kf2 f5 49.gf5 gf5–+) 48...f5 49.Nc5 (49.gf5 gf5 50.Nd6 Be5–+) 49...Bc1 50.gf5 (50.Ke2 Bh6 51.g5 Bg7–+) 50...gf5 51.Ke2 Bh6 52.Kd3 Kf7 53.Kc4 (53.Kd4–+) 53...Be3 54.Nd7 (54.Nb3 h5 55.Kd3 Bf4–+) 54...h5 55.Ne5 (55.Kd3 Bf4 56.Nc5 h4–+) 55...Kf6 56.Nd7 (56.f4–+) 56...Kg5 57.Kb4 (57.Nf8 h4 58.Ne6 Kh5 59.Ng7 Kg6 60.Kd3 Kg7 61.Ke3–+) 57...h4 0–1. DEFFM – GuestNWCF, freechess.org, 2018.

6.Qc2 c6 7.Nc3 Na6 8.a3 Nc7 9.Be2 e5 (9...d5 10.cd5 Ncd5 11.0-0=) 10.0-0+= Re8 11.d3 Bd7 12.Rac1 (12.Rfd1 Bg4+=) 12...a6 (12...a5 13.Ne4 Ne4 14.de4=) 13.Na4 White prepares the advance c5 13...Bf5 14.e4 Bg4 15.c5 Bf3 16.Bf3 (worse 16.gf3 Nh5=+) 16...dc5 17.Nc5 Rb8 18.a4 (18.d4 ed4 19.Rfd1 Nd7 20.Bd4 Nc5 21.Bg7 Qe7+–) 18...Nd7 19.Nb3 (19.Rb1 Nc5 20.bc5 Ne6=) 19...Ne6 20.Bg4 Ndf8 21.g3 Qg5 22.Bf3 (22.Be6 Ne6 23.Nc5 Nc5 24.bc5 Qd8=) 22...Rbd8 23.Bg2 h5 (23...Qe7 24.Bc3=) 24.h4 (24.Bc3 h4=) 24...Qe7 25.Bc3 g5 (25...Qd7 26.Rfd1=) 26.hg5 Qg5 27.Nd2 Ng6 28.Nf3 Qg4 29.Nh2 Qg5 30.Nf3 Qf6 31.Bd2 Nd4 (31...h4 32.Kh2=) 32.Nd4+= Rd4 33.Bc3 (33.Be3 Rd6+=) 33...Rd7 34.f4 h4 (34...Qd6 35.Bh3 Rdd8 36.f5=) 35.f5 Nf8 36.gh4 Bh6 (36...Qh4 37.Rf3+=) 37.Bd2 (37.Rce1 Qh4 38.Rf3 Bf4+=) 37...Qh4 (37...Bd2 38.Qd2 Qh4 39.Rf3=) 38.Rf3 Bd2 39.Qd2 Nh7 40.Rh3 Qg5 41.Qg5 (41.Qe1 Kh8=) 41...Ng5=+ 42.Rg3 f6 43.Bf1 (43.Kf1 Rd4 44.Rb1 Red8=+) 43...Red8 44.a5 Rd4 45.Rb1 Kf7 46.Be2 Rh8 47.Kg2 Ke7 48.Kf2 Nh3 49.Ke3 Nf4 50.Rf3 Rh4 51.Bf1 Rd8 (51...Rg4 52.Be2=+) 52.Rg3 Kf7 (52...Kf8 53.Rf3=+) 53.Rd1 (53.Rc1!?=) 53...Rd4=+ 54.Rb1 Rh1 (54...Kf8!?=+) 55.Rf3= Rh4 56.Kd2 (56.Rg3 Kf8=+) 56...Rd8 57.Kc3 Rg8 (57...Rd7 58.Rd1 Rd4 59.Rb1=+) 58.Rb2 (58.d4 ed4 59.Kd4 Ke7=) 58...Rg1 (58...Ke7 59.d4=) 59.Rbf2 (59.d4 ed4 60.Kd4 Ke7=) 59...Rhh1 (59...Nh5!?=) 60.d4+= Ke7 61.de5 (61.Kc4 Kd6+=) 61...fe5= 62.Kc4 Kf6 (62...Kd6 63.Bd3+=) 63.Kc5+– Nh5 64.Kb6 Ng3 65.Bd3 (65.Kb7?! Ne4 (worse 65...Nf1 66.Ka6 Kf7 67.Kb7+–) 66.Ba6 Nf2 67.Rf2 Rh4=+) 65...Rh7 66.Re3 (66.Rc2 Rd7+–) 66...Rd7+= 67.Rff3 Nh5 68.Bc4 (68.Bf1 Nf4+=) 68...Nf4 (68...Rd4 69.Rc3 Rb1 70.b5 ab5 71.Bd3+–) 69.Rf1 Rg2 70.Rh1 (70.Rc3=) 70...Rb2 (70...Rd4 71.Bf1 Rb4 72.Kc5+=) 71.Rb3 (better 71.Rh6 Kg7 72.Rh4+=) 71...Rb3–/+ 72.Bb3 Rd4 73.Bc2 Rb4 74.Kc7 Rb2 75.Bb1 Rb5 76.Rd1 c5 77.Rd6 Kg5 78.Ba2 (78.f6 Rb1 79.f7=) 78...c4 (better 78...Ra5 79.Bg8 c4=+) 79.Kb8?? (79.f6 c3 80.f7=+) 79...Rc5?? (better 79...c3 80.f6 c2–+ (80...Ra5?? 81.f7 c2 82.f8Q+–)) 80.Kb7 (80.f6 Ng6 81.f7+– (81.Kb7?! c3 82.f7 Nf8=)) 80...c3=+ (worse 80...Ra5 81.Bc4 Ra4 82.Rc6+–) 81.f6 (81.Ra6?? c2 82.Bd5 c1Q–+; 81.Ka6 c2 82.Rd8 c1Q 83.Rg8 Kh4 84.Rh8 Kg4–+) 81...c2 82.f7 Rb5?? (better 82...c1Q 83.f8Q Kg4=+) 83.Ka6+– Rb8 (83...c1Q 84.f8Q Rb2 85.Qg8 Kh4+–) 84.Rc6 Nd3 Threatening mate... how? 85.Rc2 Nb4 86.Ka7 Rf8 87.Rg2 Kf6 88.Rg8 Na2 (88...Rf7 89.Bf7 Kf7+–) 89.Rf8 Kg7 (89...Ke7 90.a6 Kf8 91.Kb6+–) 90.Re8 (90.Re8 Kf7 91.Rb8+–) 1–0. Dmitriev,Ig (2255) – Kornilovich,D (2160), Doroshkevich Amateur Open, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0)

6.Qc2 Nc6 7.b5 Bf5 8.d3+=.

6.Nc3 a6 7.Be2 e5 8.0-0 Nc6 9.a3 Bf5 10.d4 ed4 11.Nd4 Qd7 (11...Nd4 12.ed4 (worse 12.Qd4 Ne4 13.Qg7 Kg7 14.Ne4 f6 15.Nf6 Rf6-/+) 12...d5 13.Bf3=) 12.Nf5 Qf5 13.Bf3 Rab8 14.Qb1 Qg5 15.Ra2 Ne5 16.Be2 h5? (better 16...Qh4 17.Nd5 Nd5 18.cd5 Rbc8+=) 17.f4+- Qh4 (17...Qh6 18.fe5 Qe3 19.Kh1 de5 20.Bf3+-) 18.g3 Qh3 19.fe5 Ng4 (19...de5 20.e4+-) 20.Bg4 hg4 (20...Qg4 21.ed6 Qc4 22.Ne4+-) 21.Ne4 (better 21.ed6 Bc3 22.dc7 Rbc8 23.Bc3 Rc7+-) 21...de5 22.Bc3 (22.Nf2 Qh5+-) 22...f5 23.Ng5?? (better 23.Nc5 Rfe8 24.Rd2+-) 23...Qh6=+ 24.Ne6 Qe3 25.Kh1 (25.Raf2 Qc3 26.Nf8 Bf8-/+ (worse 26...Kf8 27.Rf5 gf5 28.Qf5 Kg8 29.Qf7 Kh7 30.Qh5 Kg8 31.Qf7 Kh8 32.Qh5 Kg8 33.Qf7=)) 25...Qc3-/+ 26.Nf8 Rf8 27.Qc2 (27.c5 Rd8-/+) 27...Qd4 (27...Qc2 28.Rc2 Rd8 29.Rcc1-/+) 28.Rd1=+ Qe3 29.Qe2 Qg5 (29...Qe2!? 30.Re2 e4=+) 30.Rad2= f4 31.Qe4 f3 32.Kg1 (32.Rd7 Qh5 33.c5 b5=) 32...Bh6 33.Rd5 (33.Qd5 Kh8 34.Qb7 Qf5=+ (34...Qd2? 35.Rd2 Bd2 36.Qa6+-)) 33...f2 (33...Qe3!? 34.Qe3 Be3 35.Kf1 Bd4=) 34.Kf1= Qh5 35.Re5 Qh2 36.Qg2 (36.Qg6 Kh8 37.Qb1 Qh1 38.Ke2 f1Q 39.Rf1 Qg2 40.Kd3 Rf1 41.Re8 Kg7 42.Qf1 Qf1 43.Kc3 Qc1 44.Kd4 Kf7-+) 36...Qh3 37.Re6 Kh7 (better 37...Rf5+=) 38.Rd7+- Bg7 39.Qh3 gh3 40.Ree7 Rg8 41.Kf2 Kh6 42.g4 Bf6 43.Rh7 Kg5 44.Kg3 h2?? (better 44...c6+-) 45.Rd5 Be5 46.Re5 Kf6 47.Re1 (47.Rhe7 h1N 48.Kf3 Re8 49.g5) 47...Rd8 48.Rh2 (48.Rc7 b5+-) 48...Rd3 (48...Rd7 49.Rf2 Kg5 50.Re5 Kh6 51.Rf6+-) 49.Kg2 (better 49.Kh4 Rd7 50.Rf2 Kg7+-) 49...Ra3 50.Rh3 (50.Rh7 Rb3+-) 50...Ra2 51.Kg1 (51.Kf3 Rc2 52.c5 b6+-) 51...Rc2 (51...Rb2 52.Rh7 Rb4 53.Rc7+-) 52.Re4 Kg5 (52...Rb2 53.c5+-) 53.Rhe3 (53.Rh7!? Rb2 54.c5 a5 55.ba5 c6+-) 53...Rb2 (53...Ra2 54.Rd4+-) 54.c5 Rc2 (54...c6 55.Kf1+-) 55.Re2 (55.Rd4 b6+-) 55...Rc1 56.Kg2 Rc3 (56...Kh4 57.Kf3 Rh1 58.Rf2+-) 57.R2e3 Rc1 58.Re7 Rc4 59.R7e5 (better 59.R3e4 Re4 60.Re4+-) 59...Kf6 (59...Kf4+-) 60.g5 Kf7 61.Re7 Kf8 62.Re8 Kf7 63.R3e7 1-0. Keru (2520) - Masali007 (2250), Rated Blitz game, lichess.org, 2016. (=1.Nf3 A16: English Opening: 1...Nf6 with ...d5 1...Nf6 2.c4 g6 3.Nc3 Bg7 4.b4 d6 5.Bb2 0-0 6.e3)

6.Nc3 Na6 7.a3 (7.b5 Nc5=) 7...Ne4 (7...c5 8.b5 Nc7 9.Be2=) 8.Qc2 (8.d4 Nc3 9.Bc3 c5+=) 8...Nc3= 9.Bc3 c5 10.Bg7 Kg7 11.bc5 Nc5 12.Be2 Bf5 13.d3 (13.Qb2 f6+=) 13...Rc8 14.Nd4 Bd7 15.0-0 Ba4 (15...e5 16.Nf3=) 16.Qb2 Qd7?? (better is 16...e5 17.Nf3 Qf6+=) 17.Ne6 (17.Ne6 Kg8 18.Qg7) 1–0. zabazaba (1645) – nrgball, gameknot.com, 2013.

6.Nc3 e6 7.d4 Nbd7 8.Be2 b6 9.0-0 Bb7 10.b5 Re8 11.a4 d5 (11...a6 12.Qd2=) 12.Ba3 Rc8 13.cd5 ed5 14.Rb1 Bf8 (14...Ne4 15.Rc1+=) 15.Bf8+/- Nf8 16.h3 c6 17.bc6 Bc6 18.Ne5 Bb7 19.Bf3?? (better is 19.Nb5 a6 20.Na7=) 19...Rc3–+ 20.a5 Rc8 21.ab6 ab6 22.Bg4 Rb8 23.Bf3 N8d7 (23...Ne4 24.Qd3–+) 24.Nd7 Nd7 25.Qd2 (25.Qb3 Qg5–+) 25...Ba6 26.Be2 b5 (26...Be2 27.Qe2 Nf6 28.Rfc1–+) 27.Ra1 Qb6 28.Qb4 Ra8 29.Bf3 (29.Ra2 Nf6–+) 29...Nf6 30.g4 (30.Ra5 Ne4–+) 30...Rec8 31.Rfc1 Rd8 32.g5 (32.Qe7 Re8 33.Qc5 Qe6–+) 32...Ne4 33.Be4 de4 34.Qe7 b4 (34...Bb7 35.Ra8 Ra8 36.Rc5–+) 35.Ra4 (35.Qe4 b3 36.Rab1 Bb7–+) 35...b3 36.Rc7? (36.Rb4 Qa5 37.Rb3–+) 36...Rf8 37.d5 (37.Rb4 Qa5 38.Qc5 Qa1 39.Qc1 Qc1 40.Rc1–+) 37...b2 38.Qf6 (38.Rb4 b1Q 39.Rb1 Qb1 40.Kh2–+) 38...b1Q 39.Kg2 Qf6 (39...Qf1 40.Kh2 Qf6 41.gf6 Qf2 42.Kh1 Be2 43.Ra8 Bf3) 40.gf6–+ Qb3 (40...Qf1 41.Kg3 Qg1 42.Kf4 Rfe8 43.Rac4 Qf2 44.Kg4 h5 45.Kg5 Qe3 46.Kh4 Qf4) 41.Rd4 Bb7 42.h4 Bd5 (42...Ra2 43.Rdc4–+) 43.Rd7 Rfd8 (43...Ra2 44.R4d5 Qe3 45.Rd2 Qf3 46.Kg1 Ra1 47.Rd1 Qg4 48.Kh2 Ra3 49.R1d3 Rd3 50.Rd3 ed3 51.f3 Qh4 52.Kg2 d2 53.f4 d1Q 54.f5 Qdh1) 44.R4d5 Rd7 45.Rd7 h6 (45...Qe6 46.Rd2 Qg4 47.Kh2 h6 48.f4 ef3 49.Rf2 Qh4 50.Kg1 Ra1 51.Rf1 Qg3 52.Kh1 Rf1) 46.Rd6 Rb8 (46...Ra2 47.Rd8 Kh7 48.Ra8 Ra8 49.Kg3 Qd1 50.h5 Qf3 51.Kh2 Qf2 52.Kh3 g5 53.Kg4 Qf3) 47.Rd4 Re8 (47...Qe6 48.Kg3–+) 48.Kg3 h5 49.Kf4 Qb8 50.Kg5 Qe5 (50...Kh7 51.Rd5 Qh2 52.Rf5 Qg2 53.Kf4 Qg4) 51.Kh6 Qf6 52.Rd7 (52.Rd6 Qd6 53.f4 ef3 54.Kg5 Qe5 55.Kh6 Qe3) 52...Qf2 (52...Re5 53.Rf7 Kf7 54.f4 Qg7) 53.Rd3 (53.Rd5 Qf6 54.Rc5 g5 55.Kh5 Qf3 56.Kg5 Kh7 57.Rf5 Qg3 58.Kf6 Qg6) 53...ed3 54.e4 (54.Kg5 Qe3 55.Kf6 Re6) 54...Kf8 (54...Kf8 55.Kh7 Qf6 56.Kh6 Ke7 57.e5 Rh8; 54...Qe3) 0–1. fishmooney (2115) – workchess (2280), net–chess.com, 2016.

6.Nc3 Bf5 7.d3 e5 8.Qc2 Qe7 9.a3 a5 10.e4 (10.b5 Nbd7=) 10...Bg4 11.b5 Nbd7 (11...c6 12.Be2=) 12.Nd2 Nc5 13.Na4 (13.Be2 Be2 14.Ne2 Nfd7=) 13...Na4=+ 14.Qa4 Nd7 15.Be2 Be6 (15...Be2 16.Ke2 f5 17.Ke1=+) 16.Qd1 f5 17.a4 Qf7 18.0-0 f4 (18...Nc5 19.Qc2=) 19.Bg4 Bg4 20.Qg4 h5 21.Qe2 g5 22.f3 Qg6 23.h3 Rf7 24.Rf2 Bf6 25.Nf1 Raf8 26.Nh2 Rg7 27.Bc3 b6 28.Ra2 Nc5 29.Qd1 Ne6 30.Qb3 Kh8 31.Rad2 Rh7 32.Kf1 Nd4 33.Bd4 ed4 34.Ke2 Be5 35.Kd1 Qg8 36.Kc2 Rff7 ½–½. De Visser,Arno – Veenstra, 1983.

6.d3 a6 7.Nc3+=.

6.d3 Na6 7.Qb3 c5 8.b5 Nc7 9.a4 a5 10.Be2 b6 11.0-0 Bb7 12.d4 Ne4 13.d5 Bb2 14.Qb2 e5 15.de6 fe6 16.Nbd2 Nd2 17.Qd2 Qe7 18.Rad1 Ne8 19.Qc2 Ra7 20.Ne1 Qg5 21.f4 Qf6 22.Bf3 Bf3 23.Nf3 Qf5 24.Rf2 Re7 25.g3 Rb7 26.Qf5 ef5 27.Re2 Re7 28.Rd3 Rf6 29.h3 h6 30.Nd2 Rfe6 31.Nb1 Nf6 32.Nc3 Kf7 33.Kg2 Re8 34.Kf3 Re4–/+ 35.Rd6 Rc4 36.Rd3 Re6 37.Ra2 Ke7 38.g4 Rd6 39.Rd6 Kd6 40.Ne2 Ne4 41.Ng3 Ng3 42.Kg3 Rc3 43.Rd2 Ke7 44.gf5 gf5 45.Kf3 Ra3 46.Rd5 Ra4 47.Re5? Kd7 48.Rd5? Kc7 49.Rf5+= Rb4 50.Rf7 Kd8 51.Rb7 Rb5 52.Ke4 a4 53.Kd5 a3–+ 54.Kd6 Kc8 55.Rg7 a2 56.Rg8 Kb7 57.Rg7 Ka8 58.Rg8 Ka7 59.Rg7 Kb8?? 60.Rg8= Kb7 61.Rg7 Ka6 62.Rg8 Rb2 63.Kc6 Ka7?? 64.Rg7= Ka6 65.Rg8 Ka5 66.Ra8 Kb4 67.Kb6 c4 68.f5 c3 69.f6 Rf2 70.f7 Rf6 71.Kc7 Rf7 72.Kd6 Kb3 73.Rb8 Kc4 (73...Kc4 74.Rc8 Kd3–+) 0–1. Bieliauskas,Marius (2145) – Marutkins,Olegs (2020), Panevezys LTU, Open, 2012. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Bd3 e5 7.Nc3 Nbd7 8.Qc2 a5 9.b5 Nc5 10.Be2 Bf5 11.d3 e4 12.de4 Nfe4 13.Ne4 Be4 14.Qd2 Bb2 15.Qb2 Bf3 16.gf3 Qh4 17.Rd1 Rae8 18.Rd4 Qh3 19.Rg4 f5 20.Rg3 Qh4 21.Qd2 f4 22.Qd5 Kh8 23.Rg4 Qe7 24.Qd4 Qe5 25.Rf4 Rf4 26.Qe5 Re5 27.ef4 Nd3 28.Kd2 Nf4 29.Bd1 d5 30.Re1 Re1 31.Ke1 Nd3 32.Kd2 dc4 33.Be2 Nf2 34.Bc4 Nh3 35.Ke3 Ng5?? 36.Bd5?? Kg7+= 37.Bb7 Kf6 38.Kd4 Ke6 39.Kc5 Kd7 40.a4 Nf7 41.b6 Nd6 42.Bc6 Kc8 43.bc7 Kc7 44.Be4 Ne4?? 45.fe4 g5 46.Kb5?? g4 47.e5?? h5–+ 48.e6 Kd6 49.Ka5 h4 50.Kb5 g3 51.hg3 hg3 52.a5 g2 53.e7 Ke7 54.a6 g1Q 55.Kc6 Qa7 56.Kb5 Kd6 (56...Kd6 57.Kb4 Qa6 58.Kb3 Qe2 59.Ka3 Kc5 60.Kb3 Qc4 61.Ka3 Qb4 62.Ka2 Kd4 63.Ka1 Kc3 64.Ka2 Qb2#) 0–1. Aslan,Ziver – Ermis,Ali Can, ch–TUR Kemer–Antalya TUR, 2011. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6)

6.d4 Be6 7.d5 Bf5 8.Bd3 Bc8 9.0-0 Nbd7 10.Nbd2 b6 11.e4 Bb7 12.Re1 Qe8 13.a4 Rc8 14.Qb3 e6 15.e5 de5 16.Ne5 (worse is 16.Be5 Ne5 17.Ne5 Nd7 (worse is 17...ed5 18.Ng6 fg6 19.Re8 Rce8 20.cd5+/-) 18.Nd7 Qd7 19.de6 fe6+=) 16...ed5 17.Nd7?? (better is 17.Ng6 fg6 18.Re8 Rfe8 19.a5+/-) 17...Qd7+= 18.Nf3 Qd6 19.cd5 (better is 19.c5!? Qd8 20.Rac1 bc5 21.Rc5=) 19...Bd5–/+ (worse is 19...Qd5 20.Bc4 Qf5 21.Re7+=) 20.Bc4 Bc6 21.b5 Bb7? 22.Ba3 Qf4 23.Bf8 Rf8 24.Ra3 Ng4 25.h3 Nh2?? 26.Nh2+– Bd4 27.Nf3 Bf3? 28.Qf3 Qd2 29.Qe2 Qf4 30.Rf3 Qd6 31.Qe7 (31.Qe7 Bc5 32.Rf7 Qe7 33.Rfe7 Kh8 34.R7e2+–) 1–0. Fournier,Frederic (2090) – Chicot,Patricia, Active, 2009.

6.d4 Ng4 7.Be2= c5 (7...Nc6 8.b5 Na5 9.0-0=) 8.b5 (8.bc5 dc5 9.h3 Nh6+=) 8...cd4 (8...Nd7 9.0-0=) 9.Nd4 (9.ed4 Nd7=) 9...Nf6 10.0-0 Nbd7 11.Nc3 Nc5 12.Bf3 (12.f4 Bd7=) 12...e5 (12...a6 13.a4=) 13.Nb3= e4 14.Be2 b6 (14...Bf5 15.Nc5 dc5 16.Qc2=) 15.Qc2 Re8 (15...Qe7 16.Nc5 dc5 17.Rfd1+=) 16.Rad1 Bg4 (16...a6 17.Nc5 bc5 18.Rd2+/-) 17.Nc5+/- Be2 (17...bc5 18.Rd2 Qe7 19.Bg4 Ng4 20.h3+/-) 18.Ne2 bc5 19.Nf4 Qc7 (19...Ng4 20.Bg7 Kg7 21.Rd2+/-) 20.Qd2 Rad8?? (better is 20...Ng4+/-) 21.Bf6+– Bf6 (21...Qb7 22.Nd5 Rd7 23.Qb2+–) 22.Nd5 (22.Nd5 Qc8 23.Nf6 Kf8 24.Ne8 Ke8 25.Qa5+–) 1–0. DEFFM – GuestTMLJ, freechess.org, 2018.

6.Be2 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.Be2 d6).

6.Be2 Ne4 7.Bg7= Kg7 8.Qb3 Be6 (8...e5 9.Nc3 Bf5 10.Ne4 Be4 11.h4=) 9.Nc3+= Nc3 10.Qc3 (worse is 10.dc3 Nc6=) 10...Kg8 11.Ng5 Qd7 (11...a5 12.b5+/-) 12.0-0 (12.h4 h6 13.Ne6 Qe6+=) 12...f6 13.Ne6 Qe6 14.b5 a6 15.Bf3 Nd7?? (better is 15...Qc8+/-) 16.Bd5+– ab5 (16...Qf7 17.Bf7 Rf7+–) 17.Be6 Kg7 18.Bd7 bc4 19.Qc4 1–0. pierre – hnon, internet, 2010.

6.Be2 Ne8 7.d4 c5 8.b5 Nc7 9.Nc3 cd4 10.ed4 Ne6 11.0-0 Nf4 12.Re1 Nd7 13.Bf1 Nf6 14.d5 Bg4 15.h3 Bf3 16.Qf3 g5 17.Qe3 h6 18.Qe7 Qe7 19.Re7 N6d5 20.Nd5! Bb2 21.Rd1 Nd5 22.Rd5 b6 23.Re4 Ba3 24.h4 f6 25.Rf5 Kg7 26.Re7 Rf7 27.Re6 Kg6 28.Bd3 Kg7 29.hg5 hg5 30.Rf3 Bc5 31.Rh3 Rh8 32.Rh8 Kh8 33.Kf1 Kg7 34.g4 a6 35.a4 Ra7 36.ba6 Ra6 37.Re7 Kf8 38.Rh7 Ra4 39.Rh8 Ke7 40.Rh7 Ke6 41.Bf5 Ke5 42.Re7 Kd4 43.Re4 Kc3 44.Be6 Ra2–+ 45.Re2 Ra3 46.Bd5 Kd3 47.Re6 Bd4 48.Rd6 Ra2 49.Bf7 Rf2 50.Ke1 Rg2 0–1. Faber – Scherf, Sachsen–Anhalt 1997.

6.h3 Be6 7.Be2 (7.d4 d5=) 7...c6 (7...c5 8.bc5 dc5 9.0-0=) 8.0-0 Qb6 (8...c5 9.bc5 dc5 10.Qb3=) 9.a3 (9.Qb3 Na6 10.Bc3 Bf5=) 9...Nbd7 (9...c5 10.Bc3=) 10.d4 (10.Nd4 a5=) 10...a6 (10...c5 11.Qd2=) 11.c5 (11.Nbd2 Bf5+=) 11...dc5 (11...Qc7 12.Nc3+=) 12.dc5 Qc7 13.Nc3 (13.Nd4 Bd5+=) 13...Rad8 (13...Rfd8 14.Nd4 Bd5 15.Nd5 Nd5 16.Qc2+=) 14.Qc2 (14.Nd4 Bd5+=) 14...Rfe8 (14...Bf5 15.Qb3=) 15.Rfd1+= b5 (15...Bf5 16.Qa4+=) 16.Ng5 (16.Nd4 Nf8+/-) 16...Bf5 (16...Nf8!?+/-) 17.e4 Be6 18.Bd3 (18.Ne6 fe6 19.Qb3 Qe5+/-) 18...Bc4 (18...Nf8+/-) 19.Ne2 (better is 19.Bc4 bc4 20.Nf3+/-) 19...Bd3= 20.Rd3 (worse is 20.Qd3 h6 21.e5 Ne5 (21...hg5?! 22.ef6 Nf6 23.Qc3+=) 22.Be5 Qe5–+ (22...Rd3?! 23.Bc7 Rd1 24.Rd1 hg5 25.Be5+=)) 20...Bh6 (20...Ne5!? 21.Rdd1 Nc4=) 21.Nf3+= Ne4 22.Rad1 Ndf6 23.Be5 Qc8 24.Nc3 Nc3 25.Qc3 Bg7 26.Qd2 Ne4 27.Rd8 Nd2–/+ 28.Rc8 Nf3 29.gf3 Rc8 30.Bg7 Kg7 31.Kg2 Rc7 32.Rd8 e6 33.f4 a5!–/+ 34.Rd6 ab4 35.ab4 Kf6 36.Kg3 Kf5 37.f3 h5 38.h4 e5 39.fe5–/+ Ke5 40.f4 Kf5 41.Kf3 f6 42.Rd8 g5?? 43.hg5= fg5 44.Rf8 Kg6 45.Rg8 Kf5? 46.Rf8?? Kg6= 47.f5 Kg7–+ 48.Rd8 1–0. gtate (1930) – asiongsalongga (1995), net–chess.com, 2006. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Nf3 d6 6.h3)

6.h4 Bg4 7.Qc2 Bf3 8.gf3 Nbd7 9.Nc3 Ne5 10.Be2 Nh5 11.f4 Nc6 12.a3 Nf6 13.0-0-0 a6 14.f5 Ne5 15.fg6 fg6 16.d4 Nc6 17.h5 Qe8 18.hg6 Qg6 19.Bd3 Qf7 20.Rhg1 Kh8 21.d5 Ne5 22.Be2 a5 23.Ne4 Ne4 24.Qe4 Qf5 25.Qh4 Ng6 26.Rg6 Bb2 27.Kb2 Qg6 28.Bd3 Qf6 29.Qf6 Rf6 30.Rh1 Rf2 31.Kc3 ab4 32.Kd4 Rf7 33.ab4 Rg7 34.Bf5 Ra4 35.b5 Ra3 36.Be6 b6 37.Rf1 Ra8 38.Rh1 Rf8 39.e4 Rf6 40.Bf5 h6 41.Ra1 Rg8 42.Ra7 Rf5 43.ef5 Rc8 44.Ra2 Kg7 45.Rg2 Kf6 46.Ke4 h5 47.Rg6 Kf7 48.Rh6 Rg8 49.Rh5 Rg4 50.Kd3 Kf6 51.Rh7 Rg3 52.Kd4 Rg4 53.Kd3 Rg1 54.Rh8 Kf5 55.Rc8 Rg3 56.Kd4 Rg4 57.Kd3 Ke5 58.Rc7 e6 59.de6 Rg3 60.Kd2 Ke6 61.Rc6 Rg2 62.Ke3 Rg3 63.Kf4 Rc3 64.Ke4 Kd7 65.Kd4 Rh3 66.Rb6 Rh4 67.Kc3 Ke6 68.Rc6 Rh3 69.Kb4 Rh4 70.b6 Ke5 71.b7 d5 72.b8Q 1–0. Snakejoe (1840) – Hurzzz (1775), lichess.org, 2019.

6.a3 Nbd7

7.Be2 c5 8.b5 b6 9.0-0 Bb7 10.d4 Rc8 11.d5 e6 (11...Qc7!?+=) 12.de6+/- fe6 13.Qd6 Bf3? (better is 13...Qe8!? 14.Rd1 h6+/-) 14.Qe6+– (14.gf3?! Qe8+/-) 14...Kh8 15.Bf3 (worse is 15.gf3 Re8 16.Qd6 a6+–) 15...Re8 16.Qd5?? (better is 16.Qd6+–) 16...Nd5–+ 17.Bd5 (17.Bg7 Kg7 18.Bd5–+) 17...Bb2 18.Ra2 Bg7 19.Rd2 Qc7 20.Rfd1 Nf6 21.Bf3 Rcd8 22.Rd8 Rd8 23.Rc1 Qe5 24.Nc3 Rd2 25.Nd5 Nd5 26.Bd5 Qb2 27.Rf1 Qa3 28.g3 Ra2 29.Kg2 Ra1 30.Ra1 Qa1 31.Be6 a5 32.ba6 Qa6 33.Bd5 b5 34.cb5 Qb5 35.Bf3 c4 36.Bd1 c3 37.Bc2 Qb2 38.Be4 c2 39.Bc2 Qc2 40.Kf3 Be5 41.h4 Kg7 42.Kg2 h5 43.Kf3 Kf6 44.Kg2 g5 45.hg5 Kg5 46.Kf3 h4 47.gh4 Kh4 48.Kg2 Qe2 49.Kg1 Qg4 50.Kf1 Bc3 51.e4 Qe4 52.Kg1 Qe1 53.Kg2 Kg4 54.f3 Kf4 55.Kh2 Qh4 56.Kg2 Qg3 57.Kf1 Qf3 58.Kg1 Bd4 (58...Bd4 59.Kh2 Qf2 60.Kh3 Qg3) 0–1. Fournier,Frederic (1920) – B007 (1810), Active (3/0), 2005.

6.a3 e5

7.Be2 a5 8.d3 Na6 9.b5 Nc5 10.0-0 a4 11.Nbd2 Qe7 12.Qc2 e4 13.de4 Nfe4 14.Bg7 Kg7 15.Ne4 Qe4 16.Qe4 Ne4 17.Bd3 Nd2 18.Nd2 f5 19.Nf3 b6 20.Rab1 Bb7 21.Nd4 Rfe8 22.Rb4 d5 23.Bc2 h5 24.Nc6 Bc6 25.bc6 d4 26.ed4 Re2 27.Ba4 Ra2 28.Bb5 R2a3 29.c5 bc5 30.dc5 Rc3 31.Be2 Rc5 32.Rd1 Rc8 33.Rc4 Re5 34.Bf3 g5 35.Bh5 g4 36.f3 Kh6 37.fg4 fg4 38.Bg4 1–0. bananinha – 60piter, kurnik, 2012.

7.Be2 Re8 8.0-0 Nc6 9.Nc3 Ne7 10.d3 c6 11.h3 Nf5 Black prepares e4 12.Re1 a6 13.Rc1 Be6 14.d4 e4 15.Ng5 d5 16.Ne6 Re6 17.cd5 cd5 18.b5 Nh4 19.Na4 h5 20.Nc5 Re7 (20...Rb6+=) 21.b6 (better 21.ba6!? ba6 22.Rc3+/-) 21...Qb6= 22.Bc3 Nh7 23.Bb4 Qf6 24.Bf1 (24.Nb3!? Ree8 25.Bf1=+) 24...a5-/+ 25.Bd2 Ng5 26.Rb1?? (better 26.Kh1-/+) 26...Ngf3! 27.gf3 (27.Kh1 Qd6 28.g3-+ (28.gf3?? Nf3 29.Qf3 ef3-+)) 27...Nf3 28.Kh1 Qd6 (28...Qd6 29.Qf3 ef3-+; 28...Ne1?! 29.Be1 b6 30.Na4+=) 0-1. MIGHTYCLIMAX (2485) - Sensei64 (2635), Rated bullet game, lichess.org, 2024.

7.Be2 Bg4 8.d3 Nc6 9.0-0 Ne7 10.Nbd2 Rb8 11.Qc2 c6 12.Rad1 Qe8 13.h3 Bf3 14.Nf3 Rd8 15.e4 Nh5 16.Rfe1 f5 17.ef5 gf5 18.Nh2 Nf4 19.Bf3 Qg6 20.Kh1 Rde8 21.Bc1 Ne6 22.g4 fg4 23.Bg4 Nf4 24.Bf4 Rf4 25.Rg1 Qh6 26.Kg2 Ref8 27.Rdf1 Kh8 28.Qc1 Ng6 29.f3 Rd4 30.Qh6 Bh6 31.Rd1 Nf4 32.Kg3 Nd3 33.Nf1 Bf4 34.Kg2 Nb2 35.Rd4 ed4 36.Ng3 Nc4 37.Ne4 d5 38.Nc5 Rf7 39.a4 Be3 40.Re1 Ne5 41.b5 Ng4 42.hg4 b6 43.Nb3 c5 0–1. bananinha (1655) – parsu, kurnik, 2012.

6.a4 Bg4

7.d4 Nbd7 8.Be2 c6 9.0-0 Ne4 10.Nc3 Ndf6 11.Qc2 Nc3 12.Bc3 Rc8 13.a5 d5 14.Rfc1 Ne4 15.h3 Nc3 16.Qc3 Bf3 17.Bf3 (worse is 17.gf3 e5 18.de5 Qg5 19.Kf1 Be5–/+ (19...Qe5?! 20.Qe5 Be5 21.Ra2=)) 17...dc4 18.Rab1 b5 (18...e5!? 19.de5 Re8+=) 19.ab6!+/- ab6 20.Qc4 c5 21.bc5+– bc5 22.dc5 Qc7 23.c6 Rfd8 24.Rb7 (24.Rb7 Qb7 25.cb7 Rc4 26.Rc4+–) 1–0. Clay56 – nimzomorph, ChessWorld.net, 2011.

7.Be2 c6 8.0-0 Nbd7 9.d4 Qc7 10.h3 Bf3 11.Bf3 (worse is 11.gf3 c5+=) 11...a6 12.Nd2 Rab8 13.b5 ab5 14.ab5 e5 15.c5 (better is 15.Qb3!?+=) 15...dc5+= 16.de5 Ne5 17.bc6 Nf3 18.Qf3 bc6?? (better is 18...Qc6 19.Qc6 bc6 20.Bf6 Bf6=) 19.Bf6+– Bf6 20.Qf6 Rfd8 21.Nc4 Rb4 22.Ne5 Rd6 23.Qf3 Rb8 24.Rfd1 Rbd8?? 25.Rd6+– Rd6 26.Ra8 Kg7 27.Ra1 Rd5?? 28.Ng4 Qe7 29.e4 Rd4 30.Qc3 h5 31.Ne3 Kh7 32.Rc1 Qe4 33.Qc5 Rd2 34.Qc6 Qf4 35.Qf3 Qa4 36.Qf7 Kh6 37.Qf8 Kg5 38.Rc5 Kh4 39.Qf6 g5 40.Nf5# (40.Qg5#) 1–0. brother – ejdrzej (1760), kurnik, 2012.

6.Qb3 a5

7.b5 b6 8.d4 Bb7 9.Nbd2 Nbd7 10.Be2 e5 11.Rc1 ed4 12.ed4 Re8 13.Qd3 Qe7 14.Kf1 Ne4 15.Re1 Nd2 16.Nd2 Qg5 17.Bf3 Qf4?? (better 17...Bf3 18.Re8 Re8 19.Nf3 Qh5=+) 18.Bb7 Re1 19.Ke1 Re8 20.Kf1 Nf6 21.g3 Qg4 22.Kg2 Nh5 23.Qf3 Qg5 24.Ne4 Qe7 25.Bc3 f5 26.Nd2 Qg5 27.Bd5 Kh8 28.h4 Qh6 29.Nf1 Nf6 30.Bc6 Rf8 31.Ne3 Ne4 32.Be4 fe4 33.Qe4 1-0. bjoernsen (2420) - duboka (2400), Rated blitz game, lichess.org, 2021.

7.b5 Nbd7 8.d4 a4 9.Qc2 b6 10.a3 Bb7 11.Nc3 e5 12.de5 Ne5 13.Ne5 de5 14.Rd1 Qe7 15.Na4 Rfd8 16.Rd8 Rd8 17.Nc3 Ng4 18.h3 Qh4 19.g3?? (19.e4 Qf2 20.Qf2 Nf2 21.Kf2 Rd2 22.Be2 Rb2 23.Rd1=) 19...Qh6?? (better 19...Ne3 20.Qc1 Qf6-+) 20.e4+= Nf6 (20...Ne3!? 21.Qc1 Nf1 22.Qh6 Bh6 23.Rf1 Rd4+=) 21.Bc1 Qh5? (better 21...g5+/-) 22.Be2+- Ng4 (22...Be4 23.Ne4 Qf5+-) 23.Bg4 1-0. bjoernsen (2405) - sem_schweiz (2495), Rated blitz game, lichess.org, 2021.

7.b5 Nbd7 8.d4 Ne4 9.Nc3 Nc3 10.Bc3 c5 11.Rd1 b6 12.Be2 Bb7 13.0-0 White prepares the advance d5 13...Qc7 14.d5 Bc3 15.Qc3 Rae8 16.e4 e5 17.de6 fe6 18.Ng5 (18.Qd2 d5 19.ed5 ed5 20.cd5 Qd6+=) 18...h6= 19.Nh3 Be4 20.Qe3 Bf5 (20...d5 21.Qh6 Re7 22.Qd2=) 21.Qh6 (21.g4 Bg4 22.Bg4 Ne5+/-) 21...Ne5 22.Ng5 Rd8? (better 22...d5 23.cd5 ed5 24.Rd5 Qg7+/-) 23.f4+- Nf7 (23...Ng4 24.Bg4 Bg4 25.Ne6 Be6 26.Qg6 Qg7 27.Qe6 Rf7+-) 24.Qh7 1-0. bjoernsen (2415) - Koaladefence (2405), Rated blitz game, lichess.org, 2021.

7.b5 Nbd7 8.d4 Re8 9.Be2 e5 10.Nc3 ed4 11.ed4 Ne4 12.Rd1 Nc3 13.Qc3 Nc5 14.Qd2 Ne4 15.Qf4 (better 15.Qc1!?=+) 15...g5-/+ 16.Qc1 g4 17.Nd2 Bh6 18.Kf1?? (better 18.Qc2 Nf2! 19.Kf2 Qh4 20.g3 Qf6 21.Ke1-+) 18...Qe7 (18...Bd2?! 19.Rd2 Qf6 20.Qe1 Nd2 21.Qd2-+; 18...Nd2?! 19.Rd2 d5 20.Qc2 Bd2 21.Qd2-+) 19.Bd3 (19.f4 Bf4 20.Bd3 Nf2-+) 19...Nf2 (19...Bd2?! 20.Rd2 Nd2 21.Qd2-/+; 19...Nd2?! 20.Rd2 d5 21.cd5-/+) 20.Bb1 (20.Qc2 Nd3 21.Qd3-+) 20...Qe2 21.Kg1 Nd1 (21...Nd1 22.Bh7 Kf8 23.h3 Qf2 24.Kh2 g3; 21...Nh3 22.gh3 Be3) 0-1. bjoernsen (2400) - Archersdaddy (2400), Rated blitz game, lichess.org, 2022.

7.b5 Bg4 8.Be2 Nbd7 9.d4 b6 10.Nbd2 a4 11.Qc2 Bf5 12.Bd3 Bd3 13.Qd3 e5 14.0-0 Re8 15.Qc2 a3 16.Bc3 d5 (better 16...e4!? 17.Ne1 Qe7+=) 17.de5+- Ng4 18.cd5 Nde5 19.Ne5 Ne5 20.e4 Qh4 21.f3 Qf4 22.Rae1 Nd7 23.Bg7 Kg7 24.g3 Qe5 25.Rc1 Nc5 26.Qc3 Ra5?? (better 26...Qc3 27.Rc3 f5+-) 27.Qe5 Re5 28.Nc4 Nd3 29.Na5 Nc1 30.Rc1 ba5 31.Rc7 Kf6 32.b6 Re8 33.Kf2 (better 33.b7 Rb8 34.d6 Ke6+-) 33...Rb8 34.Rc6 (better 34.b7!? Ke5+-) 34...Ke5 (34...Ke7+-) 35.Ke3 (35.Ke3 g5 36.f4 gf4 37.gf4) 1-0. bjoernsen (2455) - Venegas85 (2445), Rated blitz game, lichess.org, 2021.

6.Qb3 c5

7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.d3 b6 12.Nbd2 Bb7 13.Be2 e5 14.0-0 Qe7 Black plans e4 15.h3 Ra8 16.Bc3 e4 (16...d5!?=) 17.de4+= Ne4 18.Bg7 Kg7 19.Ne4 Qe4 20.Rd1 Qe6 21.Qd3 Ne5 22.Qd6 Nf3 23.Bf3 Qd6 24.Rd6 Bf3 25.gf3 Ra1 26.Kg2 Rd1?? (better 26...Ra4+/-) 27.Rd1+- 1-0. bjoernsen (2410) - Kastling (2405), Rated blitz game, lichess.org, 2022.

7.b5 d5 8.d3 (8.cd5 Bg4+=) 8...e6 9.Nbd2 Nbd7 10.Be2 b6 11.0-0 Bb7 12.h3 Qe7 13.Rac1 e5 14.cd5 Nd5 15.Rfd1 f5? (better 15...Rfd8=) 16.e4+- c4 17.Qc4 (17.dc4?! Nc5 18.Qa3 Nf4=) 17...fe4 18.de4 (18.Ne4?! Rac8 19.Qb3 Nc5 20.Nc5 bc5+/-) 18...Rac8 19.Qb3 (19.ed5?! Rc4 20.Bc4 Qb4+=) 19...Nc5 20.Rc5 Qc5 21.ed5 (better 21.Ba3 Qc3 22.Bf8 Qb3 23.Nb3+- (23.ab3?! Nf4 24.Bg7 Ne2 25.Kf1 Nc3+-)) 21...Bd5+/- 22.Qa4 e4?? (better 22...Qc2 23.Qb4 Bf3 24.gf3 Kh8+/-) 23.Bg7+- ef3 (23...Kg7 24.Ne4 Be4 25.Qe4 Qf5 26.Qf5 Rf5+-) 24.Bf8 fe2 (24...Rf8 25.Bf3 Be6 26.Qa7 Qb5 27.a4+-) 25.Bc5 ed1Q 26.Qd1 Rc5 27.Nb3 Rb5 (27...Bb3 28.Qb3 Kg7 29.Qa4+-) 28.Qe2 (better 28.a4 Bb3 29.Qd8 Kg7 30.Qe7 Kg8 31.ab5 Ba2 32.Qa7 Bd5 33.Qb6 Kf7 34.Qc7 Ke6+-) 28...a6 29.Qe8 (29.Nd4 Rb1 30.Kh2 Bf7+-) 29...Kg7 30.Qe7 Kg8 31.Nd4 Rb1 32.Kh2 Ba2 33.Ne6 (33.Qd8!? Kg7 34.Qc7 Bf7 35.Ne6 Kf6+-) 33...Be6 34.Qe6 Kg7 35.Qe5 Kg8 36.Qd5 Kg7 37.Qd4 Kg8 38.Qd3 (38.Qc4!? Kg7 39.Qa6 b5+-) 38...Rb5 39.f4 Kg7 40.g4 Rb2 (40...Kg8 41.Qd8 Kg7 42.Qd7 Kg8 43.f5 gf5 44.gf5 Rf5 45.Qf5+-) 41.Kg3 Rb5 42.Qd7 Kg8 43.Qc8 (better 43.f5 gf5 44.gf5 Rf5 45.Qf5 a5+-) 43...Kg7 (43...Kf7 44.Qb7 Kf8 45.Qh7+-) 44.Qa6 Rb4 (44...Rb3 45.Kh4 Rh3 46.Kh3+-) 45.Qb7 (45.Qd3 Rf4 46.Kf4 Kf6 47.Qd6 Kf7 48.Qd7 Kg8 49.Ke5 g5 50.Kf6 b5 51.Qe8) 45...Kg8 (45...Kf8 46.Qc8 Ke7 47.Qc7 Ke8 48.Qh7 Rb3 49.Kh4 Rb4 50.Qg6 Kd7+-) 46.Qc8 Kf7 47.Qd7 Kg8 48.Qe8 Kg7 49.Qe7 (49.Qe7 Kg8 50.Qb4 Kf7 51.Qc4 Kf8 52.Qc8 Ke7 53.Qc7 Ke6 54.Qh7 Kd5 55.f5 gf5 56.Qd7 Kc4 57.gf5 b5 58.f6 Kb4 59.f7 Kb3 60.Qd3 Ka4 61.f8Q Ka5 62.Qa8 Kb4 63.Qaa3) 1-0. bjoernsen (2445) - riverplatano (2415), Rated blitz game, lichess.org, 2021.

7.b5 Nbd7 8.Be2=.

6.Qb3 c6

7.d4 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Nbd7 11.Nbd2 e5 12.de5 Ng4 13.Be2 Nge5 14.0-0 Re8 15.Rd1 Qb6 (15...Qe7 16.Ne4 Nf3 17.Bf3 Ba1 18.Ra1=) 16.Bc3 (better 16.Ne5!? de5 17.Ne4+/-) 16...Nf3= 17.Nf3 Nc5 (17...Re3!? 18.fe3 Qe3 19.Kf1 Qc3=) 18.Qc2+= Ne4 19.Bg7 Kg7 20.Qb2 f6 21.h3 Bf5 22.Bd3 Qc7 23.Nd4 Bc8 24.Qc2 f5 25.Be4 Re4 26.Qd3 Qb6 27.Qc3 Kg8 28.Nf3 Qc7 29.Qd3 Be6 (29...Re6!?+/-) 30.Qd6+- Qd6 31.Rd6 h6? (better 31...Bf7+-) 32.Nd2 Re5 33.Kf1 (better 33.f4 Re3 34.Kf2+-) 33...Kf7+/- 34.Ke1 Ke7 35.Rd4 c5 36.bc5 Rc5 37.Ke2 g5 38.Kd3 Kf6 39.f3 h5 40.h4 g4? (40...b5 41.hg5 Kg5 42.cb5 Rb5 43.g3+/-) 41.e4 (41.fg4!? hg4 42.Rg4 b5 43.cb5 Rb5+-) 41...Rc7 42.Ke3 Ke5 43.f4 Kf6 44.e5 Ke7 45.g3 Rc8 46.Kd3 Rc7 (46...Ra8 47.Nb1+/-) 47.Rd6+- Rc8 48.Kd4 Rc7 49.c5 Rc8 50.Nf1 (50.Rb6 Rd8 51.Kc3 Bd5+-) 50...Rc7 (better 50...Ra8+-) 51.Ne3 Rc8 52.Nd5 (52.Nd5 Kf7 53.Nf6+-) 1-0. bjoernsen (2430) - Vadim_Yumakhuzhin (2420), Rated blitz game, lichess.org, 2021.

7.d4 Nbd7 8.Nbd2 Re8 9.h3 e5 10.de5 de5 11.Rd1 a5 12.a3 ab4 13.ab4 Qc7 14.c5 Nf8 (14...b5!?=) 15.Bc4+= Be6 (15...Re7!?+=) 16.Be5+/- Bc4 17.Nc4 (17.Bc7 Bb3 18.Nb3 Nd5 19.Rd5 cd5=+) 17...Qc8? (17...Qe7+-) 18.Nd6 Qe6 19.Qe6 Ne6 (19...Re6 20.Nb7 Ne4 21.Bg7 Kg7 22.Nd4+-) 20.Ne8 Re8 21.0-0 Nd5 22.Bg7 Kg7 23.b5! Nc5 (23...cb5 24.Rd5 Deflection) 24.bc6 bc6 25.Rc1 Ne4 26.Rc6 Ndc3 27.Rc7 Ra8 28.Ne5 Ra2 (28...Rf8 29.Ra1 Nb5 30.Rd7+-) 29.Rf7 Kg8 30.Rc7 Ne2 31.Kh2 N4c3 32.h4 Nd5 33.Rb7 Nec3 34.f3 (better 34.Nd3 Ra4 35.Kh3 Ra3+-) 34...Ne3 35.Rg1 Ne2 36.Re1 Nf5 37.Rd1 Ned4 38.Rd7 Nf3 (38...Ne6+-) 39.Nf3 1-0. bjoernsen (2425) - chessmonkey91 (2470), Rated blitz game, lichess.org, 2021.

7.d4 Bg4 8.Nbd2 Nbd7 9.Rd1 a6 10.Be2 Qc7 11.h3 e5?? (better 11...Bf3 12.Nf3 e5+=) 12.hg4+- Ng4 13.de5 de5 14.c5 h5 (14...a5 15.Ng5 a4 16.Qd3+-) 15.Nc4 (better 15.Nh4!? Rfe8 16.Ng6 Ndf6+-) 15...a5 16.Na5 (16.a3!? Rad8+-) 16...Nc5 17.Qc2 Ne6 18.a3 Qb6 (18...c5 19.Qe4+-) 19.Nc4 (19.Rd7 Nf4 20.Nh4 Ne2 21.Rb7 Qa6 22.Qe2 c5+-) 19...Qa7 20.Rd7 Rad8 21.Rd8 Rd8 22.0-0 (22.Nce5!? Ne5 23.Ne5 Be5 24.Be5 Qa3+-) 22...Qb8 23.e4 Nd4 24.Bd4 ed4 25.Bd3 b5 (25...Qc7+-) 26.Na5 Rd6 27.e5 (27.Nc6 Qa8 28.Bb5 d3 29.Ne7 Kh8+-) 27...Be5 (27...Ne5 28.Ne5 Be5 29.Nc6 Bh2 30.Kh1+-) 28.Nc6 Bh2 29.Kh1 Qc7 30.Rc1 (better 30.Ncd4!? Qd8 31.Be2 Qf6 32.Nb5 Rc6+-) 30...Nf2 (better 30...Rc6 31.g3 Rc2 32.Rc2 Qb7-+) 31.Qf2+- Bf4 32.Rc5 Rc6 33.Qd4 (33.Nd4?! Rc5 34.bc5 Bg3 35.Nb5 Qe5+-; 33.Bb5?! Rc5 34.bc5 Qc5 35.Qd4 Qc1 36.Qg1 Qa3+/-; 33.Rb5 Be3 34.Qh4 Rc1 35.Ne1 Qc3-+) 33...Bg3 (33...Rc5 34.Qc5 Qd7 35.Qb5 Qb5 36.Bb5+-) 34.Bb5 Rc5 35.Qc5 Qf4 36.Bf1 h4 37.b5 Qa4 38.Qc8 Kg7 39.Qc3 Kg8 40.b6 Qd1 41.Qd3 Qb1 (41...Qc1+-) 42.Qb1 Bb8 43.b7 Kg7 44.a4 (44.Qa1 f6 45.Qe1 Be5 46.b8Q g5 47.Qa7 Kh6 48.Bd3 Bc7 49.Qe6 Kh5 50.g4 hg3 51.Qh3) 44...Kh7 45.a5 (45.Qb2 Bf4 46.Qf6 Bg3 47.Ng5 Kh6 48.Nf7 Kh5 49.Be2) 45...h3 46.a6 (46.Qb2 hg2 47.Kg2 g5 48.Qf6 Bc7 49.Ng5 Kg8 50.Qf7 Kh8 51.Qf8) 46...hg2 47.Kg2 Kg7 48.Qb3 (48.a7 Bd6 49.b8Q Bc5 50.Q1b2 Bd4 51.Qd4 f6 52.Qc7 Kf8 53.a8Q) 48...Kh6 49.Bc4 (49.Qf7 Kh5 50.Qf6 Kg4 51.Qg5) 49...Kg7 50.Bf7 (50.Qc3 Be5 51.Qe5 f6 52.Qe7 Kh6 53.b8Q Kh5 54.Qh2 Kg4 55.Qe4) 50...Kh6 (50...Ba7 51.Be8 Bb6 52.Qf7 Kh8 53.Qf8 Kh7 54.Ng5) 51.Be6 (51.Be8 Kh7 52.Qf7 Kh8 53.Qf8 Kh7 54.Ng5) 51...Kg7 (51...Bc7 52.b8Q Bb8 53.Qb8 g5 54.Qh8 Kg6 55.Ne5) 52.Qd3 (52.Qc3 Be5 53.Qe5 Kh7 54.Ng5 Kh6 55.Nf7 Kh7 56.Qh8) 52...Kh6 (52...Kf6 53.Qd7 Be5 54.Qf7) 53.Qd7 Kh5 (53...Bd6 54.Bg8 Be7 55.Qe7 g5 56.Qg5) 54.Qc8 (54.Qh7) 54...Bf4 (54...Be5 55.Qc1 Bf6 56.Qh1 Bh4 57.Qh4) 55.b8Q (55.Bg4 Kh6 56.Qh8) 55...Bb8 (55...g5 56.Qh8 Kg6 57.Qbe8) 56.Qb8 (56.Qh8) 56...g5 57.Qb4 (57.Qh8 Kg6 58.Ne5) 57...g4 (57...Kh6 58.Qf8 Kh5 59.Qh8 Kg6 60.Ne5) 58.Qg4 (58.Bf7 Kh6 59.Qf8 Kh7 60.Ng5) 58...Kh6 59.Qf5 (59.a7 Kh7 60.Bf5 Kh6 61.Qg5) 59...Kg7 60.Bb3 Kh6 61.Nd4 (61.Qf6 Kh5 62.Qg5) 61...Kg7 62.Kf3 (62.Ne6 Kh6 63.Qf6 Kh5 64.Qg5) 62...Kh6 63.Qg4 Kh7 64.Ke4 (64.Nf5 Kh8 65.Qh5) 64...Kh8 (64...Kh6 65.Nf5 Kh7 66.Qh5) 65.Kf5 (65.Qg8) 65...Kh7 66.Kf6 Kh8 (66...Kh6 67.Qg6) 67.Qg7 (67.Qh5) 1-0. bjoernsen (2435) - chessmonkey91 (2435), Rated blitz game, lichess.org, 2021.

7.d4 Bg4 8.Nbd2 Nbd7 9.h3 Bf3 10.Nf3 Qc7 11.Be2 e5 12.de5 de5 13.c5 Rfe8 14.Rd1 Rad8 15.0-0 h6 16.Rd2 Ne4 17.Rd3 Nf8 (17...a5 18.a3=) 18.Rfd1 (18.Rd8 Qd8 19.Rd1 Qe7+/-) 18...Ne6 (18...Rd3 19.Bd3 Nf2 20.Kf2=) 19.Qc4 N4g5 20.Ne1 Rd3 21.Rd3 (worse 21.Nd3 e4 22.Bg7 ed3 23.Bh6 de2-/+) 21...Rd8 (21...e4!? 22.Rd2 Bb2 23.Rb2 Rd8=) 22.h4+= Nh7 23.Bg4 Nhf8 24.h5 f5 25.Be2 g5 26.Bc3 e4 27.Rd8 Qd8 28.Bg7 Kg7 29.Qc3 Qf6 30.Qd2 Qd8 31.Qb2 Qf6 32.Qd2 Qd8 33.Qd8 Nd8 34.Bc4 Kf6 35.Nc2 Nfe6 36.Kf1 Ke5 37.f3 (37.Be2 Ng7=+) 37...a5 38.a3 ef3 39.gf3 Ng7 40.ba5 Nde6 41.Be6 Ne6 42.Nb4 (better 42.a6!? ba6 43.Nb4=+) 42...Nc5-/+ 43.Ke2 Nb3?? (better 43...g4!?-+) 44.a6 ba6 45.Nc6 Kd6 46.Nd4?? (46.Nd8 Ke7 47.Nc6 Kf6=+) 46...Nd4=+ 47.ed4 Kd5 Black threatens f4 48.Kd3 a5 49.a4 g4 50.fg4 fg4 51.Ke3 g3 52.Kf3 g2 53.Kg2 Kd4 54.Kf3 Kc4 (54...Ke5 55.Ke3 Kf5-+) 55.Kf4?? (better 55.Ke2=) 55...Kb4-+ 56.Kf5 (56.Ke3 Ka4 57.Kd2 Kb3-+) 56...Ka4 57.Kg6 Kb3 58.Kh6 a4 59.Kg6 (59.Kg7 a3 60.h6 a2-+) 59...a3 60.h6 a2 61.h7 a1Q 62.Kf7 Qh8 63.Kg6 Kc4 64.Kh6 (64.Kf5 Qh7 65.Kf6 Kd5 66.Kg5 Ke5 67.Kg4 Qe4 68.Kg3 Qe2 69.Kh3 Qf2 70.Kg4 Qg2 71.Kh5 Kf5 72.Kh4 Qg4) 64...Kd5 65.Kg6 Ke6 66.Kh6 (66.Kg5 Qh7 67.Kg4 Qd3 68.Kf4 Kf6 69.Kg4 Qe3 70.Kh4 Qg1 71.Kh3 Kf5 72.Kh4 Qg4) 66...Kf6 (66...Qf6 67.Kh5 Kf5 68.h8Q Qh8) 67.Kh5 Qh7 (67...Kf5 68.Kh4 Kf4 69.Kh3 Qg7 70.Kh2 Kf3 71.h8Q Qg2) 68.Kg4 Qf5 (68...Qd3 69.Kf4 Ke6 70.Kg4 Ke5 71.Kg5 Qg3 72.Kh5 Kf5 73.Kh6 Qg6) 69.Kh4 (69.Kg3 Ke5 70.Kh4 Qg6 71.Kh3 Kf4 72.Kh2 Kf3 73.Kh3 Qg3) 69...Qg6 (69...Qg5 70.Kh3 Qg1 71.Kh4 Kf5 72.Kh3 Kf4 73.Kh4 Qg4) 70.Kh3 Kf5 (70...Qg1 71.Kh4 Kf5 72.Kh3 Kf4 73.Kh4 Qg4) 71.Kh4 (71.Kh2 Ke4 72.Kh3 Kf3 73.Kh4 Qg4) 71…Qg4 0-1. bjoernsen (2455) - chessmonkey91 (2420), Rated blitz game, lichess.org, 2022.

6.b5 b6

7.a4 Bb7 8.Be2 Nbd7 9.0-0 Nc5 10.d4 Ncd7 11.d5 e5 12.Nbd2 Nc5 13.h3 e4 14.Nh2 Nfd7 15.Bg7 Kg7 16.Qc2 f5 17.Nb3 Ne5 18.Nd4 Qe7 19.a5 f4 20.ef4 Rf4 21.Ng4 Raf8 22.Qc3 h5 23.g3 hg4 24.gf4 Rf4 25.Bg4 Ng4 26.Ne6 Kg8 27.Nf4 Ne5 28.ab6 Qg5 29.Ng2 Nf3 30.Kh1 Qf5 31.Nf4 Qf4 32.Rg1 Qh2 0–1. Abdullaevich (1865) – filyuk (1870), lichess.org, 2020.

7.Qc2 c5 8.Be2 Bd7 9.0-0 a6 10.a4 e5 11.d4 cd4 12.ed4 ed4 (12...Bf5 13.Qb3=) 13.Nd4+= d5 14.Bf3 Ra7 (14...ab5!? 15.Nb5 Nc6+=) 15.cd5+/- Bg4 16.Nc6 (16.Bg4!? Ng4 17.Qd1+/-) 16...Nc6+= 17.Bg4 Ng4 (17...Nb4 18.Qb3 Ng4 19.Qb4 Bb2 20.Qb2=) 18.dc6+= ab5 19.ab5?? (better is 19.h3 Ne5 20.Rc1+=) 19...Bb2?? (better is 19...Qd6 20.g3 Ra1 21.Ba1 Ba1–+) 20.Qb2 (better is 20.Ra7 Qd6 21.g3+–) 20...Ra1 21.Qa1 Qd6 22.g3 Ne5 23.Qc3 Rc8 24.Nd2 Qd5 25.Rc1?? Qd2!–/+ 26.Qd2 Nf3 27.Kg2 Nd2 28.Rd1 Nc4 29.Rd7 Na3 30.c7? Kg7–+ 31.f4 Nb5 32.g4 Nc7 33.f5 b5 34.g5 gf5 35.h4 b4 36.h5 b3 37.h6 Kg8 38.g6 hg6 39.h7 Kh7 40.Rf7 Kh6 41.Rf6 b2 42.Rb6 b1Q 43.Rb1 g5 44.Rh1 Kg6 45.Kf3 Ne6 46.Ke3 Rc3 47.Kd2 Ra3 48.Rh8 f4 49.Rg8 Ng7 50.Kc2 g4 51.Kb2 Ra5 52.Rf8 Rf5 53.Re8 f3 54.Re1 g3 55.Re4 f2 (56.Re3 g2 57.Rg3 Rg5–+) 0–1. TIROLOCO – michel, Caissa.com, 2004.

6.b5 Nbd7

7.a4 c5 8.Be2 b6 9.0-0 a5 10.h3 Bb7 11.Qc2 d5 12.d3 Qc7 13.cd5 Nd5 14.Bg7 Kg7 15.Nbd2 Nb4 16.Qc3 Kg8 17.Nc4 f6 18.Rfc1 Rad8 19.d4 Bf3 20.Bf3 cd4 21.Qd4 Nc5 22.Qh4 Nb3 23.Na5 Nc1 24.Nc6 Nc6 25.Rc1 Rd6 26.bc6 Rb8 27.Qc4 Kg7 28.Qb5 Ra8 29.Qc4 Ra5 30.Bg4 Rc5 31.Qc5 bc5 32.Rc5 Rc6 33.Rc6 Qc6 0–1. Abdullaevich (1895) – Axon99 (2010), lichess.org, 2020.

7.Be2 e5 8.0-0 Nb6 9.h3 Be6 10.Qc2 c6 11.a4 cb5 12.ab5 Rc8 13.d3 Nfd7 14.e4 Nc5 15.Ra7 Rc7 16.Rd1 Bd7 17.Nc3 Ne6 18.Nd5 Nd5 19.ed5 Nd4 20.Bd4 ed4 21.Qb2 Qf6 22.Nd2 Re8 23.Ne4 Qf4 24.g3 Qe5 25.f4 Qe7 26.Bf3 Bh3 27.Qa3 Rd7 28.Ra8 Ra8 29.Qa8 Rd8 30.Qa7 f5 31.Nf2 Qe3 32.Rf1 Bf1 33.Kf1 Qe7 34.Qb6 Re8 35.Kg2 h5 36.Nh3 h4 37.Ng5 hg3 38.Kg3 Qe1 39.Kg2 Qd2 40.Kg3 Be5 41.Ne6 Re6 42.de6 Qf4 43.Kg2 Qg3 44.Kh1 Qf3 45.Kg1 Qe3 46.Kg2 Qe2 47.Kg1 Qe1 48.Kg2 Qg3 49.Kh1 Qh2 0–1. Abdullaevich (1845) – El_Magnifico (1870), lichess.org, 2020.

6.Qc2 Bf5

7.d3 c5 8.a3=.

7.d3 Nc6 8.b5 Nb4?? (better is 8...Na5=) 9.Qb3 a5 10.a3 c5 (10...Na6 11.ba6 Ra6 12.Be2+– (12.Qb7 Rb6 13.Qa7 Rb2–/+)) 11.ab4 ab4 12.Ra8 Qa8 13.Be2 b6 14.e4 Be6 15.0-0 Qb7 16.Ng5 Bd7 17.Nd2 h6 18.Ngf3 Ra8 19.e5 de5 20.Ne5 Bf5 (20...Qc7+–) 21.Bf3 (21.Bf3 Qc8 22.Ba8 Qa8 23.Nc6+–) 1–0. DEFFM – GuestNWQC, freechess.org, 2017.

7.d3 e5 8.Nbd2 Nc6 9.a3 a5 10.b5 Ne7 11.Be2 1-0. Nf3 (2000) - zealfredo (1820), Rated Classical game, lichess.org, 2013.

6.Qc2 Nh5

7.d4 c5 (7...e5 8.de5 (8.a3 ed4 9.Nd4 c5 10.Nf3 Nc6 11.Bg7 Ng7 12.Qc3 Bf5=; 8.Be2 ed4 9.Nd4 c5 10.Nb5 a6 11.N5c3 cb4 12.Nd5 Nf6=; 8.c5 ed4 9.Bd4 Bf5 10.Qb2 Nf6 11.cd6 cd6 12.Be2 Nc6=) 8...Nc6 9.Be2 Bf5 10.e4 Be6 11.b5 Ne5 12.Ne5 de5+=; 7...Nf6 8.Bd3 (8.Be2 c5 9.bc5 dc5 10.0-0 Nc6 11.Nbd2 Qc7 12.d5 Bf5=; 8.Nc3 c5 9.bc5 dc5 10.Rd1 cd4 11.Nd4 Nbd7 12.Be2 e5=; 8.Nbd2 c5 9.bc5 dc5 10.Be2 Nc6 11.0-0 Qc7 12.d5 Bf5=) 8...Bg4 9.Nbd2 Nc6 10.a3 d5 11.cd5 Nd5 12.b5 Nb8+=) 8.b5 (8.dc5 dc5 9.Bg7 Ng7 10.bc5 Na6 11.Nc3 Nc5 12.Rd1 Qa5=; 8.bc5 dc5 9.Be2 Nc6 10.dc5 Nf6 11.0-0 Qc7 12.Nc3 Bf5=; 8.a3 Nf6 9.bc5 dc5 10.Bd3 Nbd7 11.0-0 b6 12.Re1 Re8+=; 8.Qd2 cb4 9.Qb4 Nc6 10.Qb3 e5 11.d5 Na5 12.Qb4 Bf5=) 8...a6 (8...cd4 9.Bd4 e5 10.Bc3 Nf6 11.Bd3 Nbd7 12.0-0 Nc5=) 9.a4 (9.Nbd2 cd4 10.Bd4 e5 (10...Bf5+= 11.e4 Bd7 12.Bg7 Ng7=) 11.Bc3 Qc7 12.Be2 Bf5=; 9.Bd3 ab5 10.cb5 Bg4 11.Nbd2 cd4 12.Nd4 e5=) 9...Bf5 (9...cd4 10.Bd4 e5 11.Bc3 Nf6 12.Bd3 Bg4=) 10.Bd3 Bd3 11.Qd3 Re8 (11...cd4!? 12.Bd4 (12.ed4 ab5 13.cb5 Nd7+=) 12...ab5=) 12.0-0 Nd7 (12...cd4+=) 13.Nbd2 b6 (13...cd4 14.ed4 (worse is 14.Bd4 e5 15.Bc3 e4 16.Ne4 Re4 17.Qe4 Bc3–/+) 14...Nf4 15.Qe4=) 14.Bc3 a5 15.d5 Bc3 16.Qc3 e5 17.de6 Re6 18.e4 Nhf6 19.Ng5 Re8 20.Qc2 Qe7 21.Rae1 Qf8 (21...Nh5 22.Nh3=) 22.f4 h6 23.Ngf3 Qg7 24.Qd3 Qf8 (24...Rad8 25.Qd6 Nh5 26.f5+/-) 25.e5 Nh7? (better is 25...Nh5!? 26.g3 Rad8+–) 26.ed6 (26.Ne4!? Red8 27.Nd6 Ndf6+–) 26...Re1 27.Re1 (27.Ne1?! Rd8=) 27...Re8 28.Re8 Qe8 29.Ne4 Qe6 30.Kf2 (30.Ne5 Nhf8 31.Qd5 Qd5 32.cd5 f6+–) 30...Nhf6? (30...f5 31.Nc3 Nhf6 32.h3+=) 31.Ned2 (better is 31.Nf6 Qf6 32.g3+–) 31...Ne8 32.Ne4 f5 33.Nc3 Qd6 34.Nd5 Kf7 35.Qd2 Nef6 36.Nf6 Qd2 37.Nd2 ½–½. pzn2pawn (1855) – amtw99 (1665), redhotpawn.com, 2016.

7.Be2 A) 7...e5 8.0-0 (8.a3 a5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Bc3 Re8=; 8.d4 ed4 9.Nd4 c5 10.Nb5 a6 11.N5c3 cb4 12.Nd5 Nf6=; 8.d3 a5 9.b5 Nf6 10.0-0 Re8 11.c5 Nd5 12.Rc1 Nb4=) 8...e4 9.Ne1 Nf6 10.f3 ef3 11.Bf3 Nc6 12.Bc6 bc6+=; B) 7...Bf5 8.Qb3 (8.d3 e5 9.0-0 Nf6 10.Nbd2 a5 11.b5 Re8 12.e4 Bg4+=) 8...e5 9.d4 e4 10.Nfd2 Nf6 11.0-0 Nc6 12.f3 Qe7+=; C) 7...Nf6 8.a3 (8.d4 c5 9.bc5 dc5 10.0-0 Bf5 11.Qb3 Qc7 12.Nc3 Nc6=; 8.0-0 c5 9.bc5 dc5 10.d4 Bf5 11.Qb3 Qc7 12.Nc3 Nc6=; 8.d3 c5 9.a3 Qb6 10.0-0 cb4 11.Bd4 b3 12.Qc3 Qc7=) 8...a5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 Bf5 12.d3 e5=.

7.Bg7 A) 7...Ng7 8.Be2 (8.d4 c5 9.bc5 dc5 10.dc5 Na6 11.Nc3 Nc5 12.Rd1 Qa5=; 8.b5 e5 9.Be2 Bf5 10.d3 a6 11.0-0 ab5 12.cb5 Ne6=; 8.Bd3 Nc6 9.Qc3 e5 10.0-0 f5 11.Be2 e4 12.Ne1 Qh4=) 8...Na6 9.a3 e5 10.c5 Bf5 11.e4 Bg4 12.c6 Qc8+=; B) 7...Kg7 8.Nc3 (8.Be2 Nf6 9.0-0 Bf5 10.Qb2 e5 11.d4 e4 12.Nfd2 Qe7+=; 8.d4 Nf6 9.Be2 c5 10.bc5 dc5 11.Qb2 cd4 12.ed4 b6+=; 8.Bd3 Nc6 9.b5 Ne5 10.Ne5 de5 11.0-0 Nf6 12.Be4 a6=) 8...e5 (8...Nf6= 9.d4 Nc6 10.b5 Na5 11.Be2 Bf5 12.e4 Bg4+=) 9.Be2 Bf5 10.Qa4 Nc6 11.b5 Ne7 12.d4 ed4+=.

6.Nc3 b6

7.Rb1 Bb7 8.a4 (8.d4 c5 9.bc5 dc5 10.dc5 bc5=) 8...c5 9.bc5 dc5 10.Be2 Nc6 11.Nb5 a6 12.Na3 Re8 (12...Nb4 13.d4=+) 13.0-0 e5 14.h3 (14.d3 Qd6=) 14...Qc7 15.Nh2 Rad8 16.Qc2 (16.d3!?-/+) 16...Nb4-+ 17.Qb3 (17.Qd1 Qd6-+) 17...Be4 (17...Ne4 18.Nf3 Qc6 19.d4 ed4 20.ed4-+) 18.d3? (better 18.Rbd1-/+) 18...Bd3-+ (18...Nd3 19.f3 Bf5 20.g4-/+) 19.Bd3 (19.Rbe1 Ne4 20.Bc1 Be2 21.Re2 Rd3-+) 19...Rd3 (19...Nd3?! 20.Rfd1 Nb2 21.Rd8 Rd8 22.Qb2-+) 20.Bc3 Ne4 21.Rbc1 Nd2 (21...Nc3?! 22.Rc3 Red8 23.e4-+) 22.Qb2 Nf1 23.Kf1 (23.Nf1 Qc6-+) 23...Red8 24.Nf3 (24.Kg1 Rd1 25.Nf1 Nd3 26.Rd1 Nb2 27.Rd8 Qd8 28.Bb2 Qd1-+) 24...f6 (better 24...e4!? 25.Nd4-+) 25.Kg1 (25.Ne1 R3d7-+) 25...Rd1 26.Kh2 (26.Rd1 Rd1 27.Ne1-+) 26...e4 27.Ne5 (27.Be5 fe5 28.Rd1 Rd1-+) 27…fe5 (27...fe5 28.Rd1 Rd1 29.Bb4 cb4 30.Qb4 Bf8-+) 0-1. DoumBlanchette (1840) - amayak (2075), Rated Blitz game, lichess.org, 2014. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.Nc3 d6 6.e3)

7.Rb1 c5 8.bc5 dc5 9.Be2=.

7.d3 Bb7 8.Be2 Nbd7 9.0-0 a5 10.b5 e5 11.Qc2 h6 12.Rfe1 Nh7 13.Rad1 f5 14.Nd5 (14.d4 e4 15.Nd2 Qh4+=) 14...g5 (14...c6 15.bc6 Bc6 16.d4=) 15.Nd2 g4 (15...Nhf6 16.Bf3 Nd5 17.Bd5 (worse 17.cd5 g4 18.Be2 Bd5=) 17...Bd5 18.cd5+=) 16.Nb1 (16.d4 Ng5+/-) 16...h5 (16...Nhf6 17.Nbc3+=) 17.Nbc3+/- Ng5 18.a4 (18.d4 h4+=) 18...h4 19.Bf1 Rc8 20.Qe2 Nf6 21.Nf6 (21.d4 g3+=) 21...Qf6 22.Nd5 Qf7 23.f4 (better 23.d4!?=) 23...gf3-/+ 24.gf3 (24.Qf2 Bd5 25.cd5 fg2 26.Qg2 Qg6-/+) 24...Bd5 (24...e4!? 25.de4 fe4-/+) 25.cd5=+ Qd5 26.e4 (26.Bg2 h3 27.f4 hg2 28.fg5 f4 29.Qg2 f3-/+) 26...Qf7 (26...fe4 27.fe4 Qb3 28.Bg2-+) 27.Kh1 (better 27.Qg2!? Qh5 28.Be2-/+) 27...fe4-+ 28.fe4 Qf3 (better 28...Nf3!?-+) 29.Qf3-/+ Nf3 30.Re2 Rf7 (30...c5 31.Bh3 Rcd8 32.Rg2=+) 31.Rg2 (31.Bh3 Re8=) 31...Rcf8 (31...c6 32.bc6 Rc6 33.Be2=+) 32.Be2 Kh7 33.Rc1 (33.Rg4!?=) 33...Bh6-/+ 34.Rc2?? (better 34.Rf1-/+) 34…Ne1-+ 0-1. gmagalkin (2585) - Banjovi (2675), Rated Bullet game, lichess.org, 2019. (=1.Nf3 A16: English Opening: 1...Nf6 with ...d5 1...Nf6 2.e3 g6 3.c4 Bg7 4.Nc3 0-0 5.b4 d6 6.Bb2)

7.Nd5 Nd5 8.Bg7 Ne3 9.de3 Kg7 10.Qd4 Kg8 11.b5 e6 12.Qe4 d5 13.cd5 Bb7 14.Qe5 Bd5 15.e4 Bb7 16.Be2 Nd7 17.Qf4 Nc5 18.e5 Qd3 19.Bd3 Nd3 20.Ke2 Nf4 21.Ke3 Ng2 22.Ke2 Nf4 23.Ke3 Nd5 24.Ke2 Nc3 25.Ke3 Rad8 26.Rhc1 Nd5 27.Ke2 Nf4 28.Ke3 Ng2 29.Ke2 a6 30.Rc7 Bf3 31.Kf3 Nh4 32.Kg3 Nf5 33.Kg4 ab5 34.Rb7 Rd4 35.Kf3 Nh4 36.Kg3 g5 37.Rb6 Rfd8 38.Rb5 Rd3 39.Kg4 Kg7 40.Rf1 Kg6 41.Rbb1 R8d4 42.f4 h5 0–1. axtur777 – usham, lichess.org, 2019.

7.Be2 c5 8.b5 Bb7 9.0-0 d5 10.d3 dc4 11.dc4 Qd1 12.Rfd1 Nbd7 (12...Ne4!? 13.Ne4 Bb2=) 13.Rd2+/- Rfd8 14.Rad1 Rac8? (14...e6 15.Ne5! Nd5 16.Nd5 ed5 17.Nc6+–) 15.Ne5 (better is 15.Na4!? Rc7 16.Be5+–) 15...Rc7+/- 16.Bf3 Bf3 17.gf3 Ne5? (better is 17...h6+/-) 18.Rd8+– Bf8 19.Kg2 Nc4+/- 20.Bc1 h5 21.e4 Kg7 22.Bf4 e5 23.Bg5 Be7 24.Bf6 Bf6 25.R8d7 Rc8 26.Ra7 g5? 27.Rdd7 Rf8 28.Nd5 g4 29.fg4 hg4 30.Rab7 Bg5 31.Nb6 Nd2 32.a4 Ne4 33.Nc4 Kf6 34.a5 Bh4 35.a6 1–0. Rodrigues,Rui – Quiaios,Nuno, Wch U26 Leon, 1996. (=1.c4 g6 2.Nc3 Nf6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.e3)

6.Nc3 Nc6

7.a3 a5 (7...e5 8.Bd3=) 8.ba5 (8.b5 Nb8+=) 8...Na5 9.Be2 Be6 10.d3 d5 11.cd5 Nd5 12.Qc2 Ra6 (12...Nc3!? 13.Bc3 Bc3 14.Qc3 Nb3=) 13.Nd5+= Bb2 14.Ne7 (14.Qb2 Bd5 15.e4 Bc6+=) 14...Qe7= 15.Qb2 Nb3 16.d4 Ra5 17.0-0 (better is 17.Ra2!?=) 17...Na1–/+ 18.Ra1 Bd5 19.h3 (19.Ne1 Rfa8 20.Nc2 Be4–/+) 19...Rfa8 20.Ne5 Ra3 21.Ra3 Qa3 22.Qb5 Qa5 23.Qd7 Be6 24.Qe7 (24.Qb5 Qb5 25.Bb5 Ra2–+) 24...Qe1 25.Bf1 Ra1 26.Qe8 Kg7 27.Qb5 c6 28.Qd3 Ra2 29.Nf3 (29.e4 Qf2 30.Kh2–+) 29...Qf2 30.Kh1 (30.Kh2 Qf3 31.Kh1 Qf2–+) 30…Bh3! (30...Bh3 31.Nd2 Rd2 32.Qd2 Qd2 33.gh3 Qe3–+) 0–1. Brylski,Nils – Teske,Heike (2170), RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Nc3)

7.b5 Ne5 8.Ne5 de5 9.d3 Bf5 (9...Qd6 10.Be2+=) 10.Be2+= Nd7 (10...a6 11.g4 Be6 12.a4+=) 11.Na4 (11.Ne4 a6=) 11...a6+= 12.ba6 (12.0-0 Qb8+=) 12...Ra6 13.0-0 c6 14.Qc2 Qa5 15.Bd1 (15.Nc3 Nc5+=) 15...Rfa8 (15...b5 16.cb5 cb5 17.Nc3–/+) 16.Nc3 Nc5 (16...Qb6 17.Rb1–/+) 17.e4 (17.Ne4 Be4 18.de4 Rb6–/+) 17...Be6 18.a4 (18.Bc1 Rd8 19.Be2 Bc8–/+) 18...Qd8 (18...Rb6 19.Rb1–+) 19.Be2–/+ Bd7 20.Kh1 (20.Rfb1 Ne6–/+) 20...Ne6 21.Bd1 b5 22.Qb3? (better is 22.cb5 cb5 23.Nd5–+) 22...Nc5 23.Qc2 b4 24.Ne2 Na4 (24...Be6 25.Nc1–+) 25.Ra4 (25.Bc1 Ra5–+) 25...Ra4 26.f4 Ra2 27.fe5 Bg4 (27...Be5 28.d4 Bg7 29.Qb1–+) 28.d4 (28.Nc1 Be5! 29.Na2 Ra2–+) 28...c5! 29.Nc1 (29.dc5 Be5 Combination) 29...Bd1 30.Rd1 R2a7 (better is 30...Rb2!? 31.Qb2 Be5 32.Nb3 Bd4 33.Qd2–+) 31.d5 (31.dc5 Qa5–+) 31...Bh6 (31...Qb8 32.Nd3–+) 32.Nd3 Ra5 33.Qf2 Qc7 34.h3 Rf8 35.Qg3 Bg7 36.Rf1 (36.Qe3 f6 37.ef6 Bf6–+) 36...Ra2 37.Rf2 (37.Rb1 f6–+) 37...Raa8 (37...f6 38.Qh4–+) 38.d6 (38.Qe3 Ra5–+) 38...ed6 (38...Qa7 39.Kh2–+) 39.ed6–/+ Qc6 40.Bg7 Kg7 41.e5 Qe4 (41...Rfe8!?–+) 42.Rf4–/+ Qe2 43.Nc5 Ra1 (43...h6 44.Re4 Qf1 45.Kh2–/+) 44.Kh2+= Qd1 (44...h6 45.Nd3=) 45.Qf2 (45.Qe3!?=) 45...Qh1+= 46.Kg3 Ra3 47.Rf3 Rf3 (47...Qc1 48.Kh2 Rf3 49.Qf3 Qc4 50.Qf6 Kh6 51.Qf2=) 48.gf3 (48.Kf3 Qa1 49.Ke4 b3–/+) 48...Qc1 49.Qd4? (better is 49.h4 Qc3 50.e6 Qe5 51.Kg2 fe6 52.Nd7 Qd6 53.Nf8 Kf8 54.c5+=) 49...Qg5–+ 50.Kh2? (50.Kf2 Ra8 51.Qb2 Qh4 52.Kg2 Qc4–+) 50...Ra8 51.e6 (51.Qb2 Qf4 52.Kg2 Qc4–+) 51...f6 52.Nd3 (52.Qf2 Qf4 53.Kg2 Qd6–+) 52...Ra2 (52...Qd2 53.Qf2 Qd3 54.d7 Qc4 55.Kg2 Qe6 56.Qd2–+) 53.Nf2 Qd2 54.Qd2 Rd2 55.d7 (55.Kg3 Rd6 56.e7 Kf7–+) 55...Kf8 (55...Rf2?? 56.Kg3 Rd2 57.e7 Rd7 58.e8Q+–) 56.Kg3 Ke7 57.Ne4 Rd4 58.c5 (58.Nc5 Rc4 59.Nb7–+) 58...Ke6 (better is 58...Re4 59.fe4 b3–+) 59.c6+– Ke7 60.Nc5 Rd7 61.cd7 (61.Nd7?! b3 62.Nb6 b2 63.Nd5 Kd6=) 61...b3 62.Nb3 Kd7 63.Kf4 Ke6 64.Nc5 Kd6 65.Ne4 Ke6 66.Ng3 Kd5 67.h4 Ke6 68.Ne4 (68.Ke4!? Kd7+–) 68...Kf7 69.Nc5 Ke7 70.Ke4 Kd6 71.Nb7 Ke6 72.Nd8 (72.f4 Kf7+–) 72...Ke7 (better is 72...Kd7 73.Nf7 Ke7+–) 73.Nb7 Ke6 74.f4 Ke7 (74...Kf7 75.Nc5+–) 75.Kd5 Kf7 76.Nd6 Ke7 77.Ne4 (better is 77.f5 Kd7+–) 77...h5 (77...Kf7+–) 78.Ng3 Kf7 (78...g5+–) 79.Kd6 g5 (79...f5+–) 80.f5 gh4 81.Nh5 h3 82.Ng3 Kg7 83.Ke6 Kh7 84.Kf6 Kh6 85.Nh1 Kh5 86.Kg7 Kg4 87.f6 Kf3 88.f7 Kg2 89.f8Q Kh1 (89...Kh2 90.Qf2 Kh1 91.Kf6 h2 92.Qf1) 90.Qf2 1–0. Akkozov,Berik (2360) – Gantsevich,Aleksei (1955), St Petersburg RUS, Chigorin Mem, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.Nc3 Ne4

7.Qb3 Nc3 8.Bc3 Bc3 9.Qc3 c5 10.a3 a6 11.d4 Qc7 12.h3 b6 13.Be2 Bd7 14.0-0 b5 (better is 14...cd4!? 15.ed4 Nc6+=) 15.dc5 dc5 16.cb5 ab5 17.bc5 Rc8 18.Rfc1 Na6 19.Nd4 (19.Ne5 Be8 20.Bg4 Rd8+–) 19...Qc5 20.Qc5 Rc5 21.Rc5 Nc5 22.Nb5 (22.Bb5 Bb5 23.Nb5 e5+/-) 22...Ra5 (22...Nb3 23.Nc7 Ra7 24.Rb1 Ra3 25.Nd5+=) 23.Nd4 e5 24.Nf3 Ba4 ½–½. Weber,Siegfried (2265) – Till,Heinz, Hessen–ch Seniors, 2004. (=1.c4 d6 2.Nc3 Nf6 3.b4 g6 4.Bb2 Bg7 5.Nf3 0-0 6.e3)

7.d4 Nc3 8.Bc3 Bg4 9.Be2 Nd7 10.h3 Bf3 11.Bf3 Rb8 12.0-0 c5 13.Qb3 cd4 14.ed4 e5 15.de5 Ne5 16.Bd5 Qh4 17.f4 Nc6 18.Bg7 Kg7 19.f5 Qd4 20.Kh1 f6 21.fg6 hg6 22.Rad1 Qh4 23.Qc3 Ne7 24.Be6 Rbd8 25.Rd4 Qg5 26.Rdf4 Qe5 27.Qe5 de5 28.R4f2 Rd6 29.Bd5 Nd5 30.cd5 Rd5 31.a3 Rf7 32.h4 e4 33.g4 e3 34.Re2 Re7 35.Rf3 Rd2 36.Ree3 Rd1 37.Kg2 Rd2 38.Kg3 Re3 39.Re3 1–0. Evgenii_777 (1740) – percurio (1740), lichess.org, 2020.

6.Nc3 Bg4

7.Be2 c5 8.bc5 dc5 9.0-0 Nc6 10.h3 (10.d4 Bf3 11.Bf3 cd4 12.ed4 Qd4+=) 10...Bf3+= 11.Bf3 Qd7 (11...Ne5 12.Bb7 Rb8 13.Na4 Nc4 14.Bf6 Bf6 15.Nc5 Nd2 16.Re1 Ba1 17.Qa1–+) 12.Ba3 (12.Ne2 Rfd8=) 12...b6 13.Bb2 (13.d4 cd4 14.ed4 Rac8 (worse is 14...Nd4 15.Ba8 Ra8 16.Be7+/-) 15.Bc6 Rc6=) 13...Rad8+= 14.Bc6 (14.Nd5 Nd5 15.Bg7 Kg7 16.Bd5 Nb4–/+) 14...Qc6 15.Qc2 (15.Qe2 Rd7+=) 15...Rd7 16.Rad1 (16.Rfd1 Rfd8+=) 16...a6 (16...Rfd8 17.Ne2+=) 17.d3 (17.Qa4 Qb7+=) 17...Rfd8 18.Rd2 (18.e4 e6+=) 18...e6 (18...b5 19.Rfd1+=) 19.Rfd1 (19.Rb1 e5+=) 19...h5 (19...b5 20.Ne2=) 20.Ne2= h4 (20...b5 21.Be5=) 21.Bf6 Bf6 22.d4 Bg5 23.f4 Bf6+= 24.a4 a5 25.Kf2 cd4+= 26.Nd4 Bd4 27.Rd4= f5 28.Rd7 Rd7 29.Rd7 Qd7 30.e4 Qd4–/+ 31.Kf3 Kf7 32.ef5 ½–½. kiloracer (1800) – kcollins (1990), net–chess.com, 2005. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.Nc3)

7.Be2 Nbd7 8.d4 e5 9.de5 Ne5 (better is 9...de5!? 10.0-0 a5=) 10.Ne5+/- Be2 11.Ne2 (< 11.Ke2 de5 12.Qd8 Rfd8=) 11...de5 12.Be5 (better is 12.Qd8!? Rfd8 13.Be5+/-) 12...Qe7= 13.Bc3 Rfd8 14.Qb3 Rd3 15.Nd4?? (better is 15.Qb2+=) 15...Ne4–+ 16.Rc1 (16.0-0 Rc3 17.Qd1–+). DanielMartin – sugamuxi, ChessWorld.net, 2004.

7.Be2 e5 8.h3 Bd7 9.d4 e4 10.Nd2 Nc6 11.a3 Bf5 12.d5 Ne5 13.0-0 Nd3 14.Bd3 ed3 15.f3 Nh5 16.g4 Ng3 17.gf5 Nf1 (17...Bc3!? 18.Bc3 Ne2 19.Kh2 Nc3=) 18.Qf1 Qg5 19.Kf2 Qf5 (better is 19...Qh4!? 20.Kg2 Qg5 21.Kh1 Qe3+=) 20.e4 Bd4 21.Ke1 Qg5 22.Qd3 Qg3 23.Kd1 Be5 24.Qf1 c5? (24...f5 25.ef5 Rf5 26.Nce4+/-) 25.Na4 (better is 25.bc5!? Qh2+–) 25...Bb2 26.Nb2 b6 27.Kc2 Qe5 28.Nd3 Qd4 29.Qf2?? (better is 29.bc5 bc5 30.f4+–) 29...Qa1–+ 30.bc5 bc5 31.f4 Qa3 32.Qe3 Rab8 33.e5 Qa4 34.Kc1 Qa1 35.Kc2 a5 36.ed6 Qa2 37.Kd1 Rfe8 38.Qc5 Qa1 39.Kc2 Rec8 40.Qa7 Qa2 41.Kd1 Qa1 42.Ke2?? Re8 43.Ne5 Re5 44.fe5 Qe5 45.Kd3 Qg3 46.Kc2 Qd6 47.Qa5 Re8 48.Qc3 Qa6 49.c5? Rb8?? 50.d6–/+ Qa2 51.Kd3 Qd5 52.Qd4 Qf5 53.Kc4 Qh3 54.c6?? Qe6 55.Kc5?? Qf5–+ 56.Qd5 Rb5! 57.Kb5 Qd5 58.Kb6 Qd6 0–1. Rush,Bradley – Bester,Kazimierz, OP–2012–0-02085, 2012.

7.Be2 e5 8.h3 Bf3 (8...Be6 9.d4 ed4 10.Nd4= (worse is 10.Qd4 Nc6 11.Qd2 Nb4–/+; 10.ed4?! d5=)) 9.Bf3+= c6 10.0-0 Ne8 11.d4 Qc7 (11...ed4 12.ed4 Qb6 13.a3=) 12.de5 de5 13.Qc2 Nd7 14.Rad1 Rd8 15.Rd2 Nb6 16.c5 (16.Rd8!? Qd8 17.c5+/-) 16...Rd2= 17.Qd2 Nc4 18.Qe2 Nb2 19.Qb2 f5 (19...e4 20.Be2= (worse is 20.Be4 Qe5–/+)) 20.Qb3 (20.e4 Nf6+=) 20...Kh8 (20...Qf7 21.Qf7 Kf7 22.e4=) 21.Be2 (21.e4 Nf6+=) 21...Nf6 Black plans e4 22.Rd1 Rd8 23.Bc4 Rd1 24.Qd1 e4 25.Ne2 Qd7 26.Qd7 (26.Nd4 f4=) 26...Nd7 27.Nf4 (27.Be6 Ne5=) 27...Ne5 (better is 27...Bc3!? 28.Be6 Ne5–/+) 28.Be2= Kg8 29.Ne6 Bf6 30.Nd4 Nd3 31.Bd3 ed3 32.Kf1 Kf7 (better is 32...f4!?=) 33.Ke1+/- f4 (33...a5 34.a3+/-) 34.Kd2 fe3 35.fe3 Bh4 36.b5 (36.Kd3 Ke8+–) 36...cb5 37.Nb5 Be7 38.Na7 Bc5 39.Nb5 Ke6 40.Kd3 Ke5 41.Nd4 h5 42.g4 hg4 43.hg4 Bd4? (better is 43...Kf6+/-) 44.ed4+– Kf4 (44...Kd5 45.a4 g5+–) 45.Kc4 (45.d5 Ke5 46.Kc4+–) 45...Kg4= 46.Kd5 Kf5 47.Kd6 g5 48.d5 g4 49.Kc7 g3 50.d6 g2 51.d7 g1Q 52.d8Q Qa7 53.Qd5 Kf4 54.Qc4 ½–½. purplegadge (1680) – jazoran (1710), gameknot.com, 2013.

6.d3 c6

7.Nbd2 a5 8.ba5 Qa5 9.Be2 e5 10.0-0 Nbd7 11.Nb3 Qc7 12.a4 b6 ½–½. Franic,Milan (2390) – Brkic,Ante (2475), Velika Gorica op 5th, 2005. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6)

7.Be2 a5 8.a3 (8.b5 cb5 9.cb5 Qb6=) 8...ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 b5 12.cb5 cb5 13.0-0 Qb6 14.Qb3 e5 15.Bd2 Be6 16.Qa3 (16.Qb2 Rc8=) 16...Ra8 17.Nc3 Nc7 18.Qb2 h6 19.Ra1 Ra6 20.Ra6 Qa6 21.Nb1 Nd7 22.Qc1 Qb7 23.Ne1 f5 24.Qa3 Nb8 25.Bd1 Nc6 26.Bb3 d5 27.Qa2 Kf7 28.Nc2 Qa6 29.Qa6 Na6–/+ 30.Nc3 Nc7 31.Na3 Na7 32.e4 de4 33.Be6+= Ke6 34.de4 Bf8 35.Kf1 fe4 36.Ne4 Nc6 37.Nc3 Nd4 38.Ne2 Nc6 39.Nc3 Nd4 40.Ne2 Nb3 41.Bc3 Bd6 42.Ng3 h5 43.Ne4 Nc1 44.Nd6 Kd6 45.f4 Nd3 46.fe5 Ne5 47.Ke2 Nc4 48.Nc4 bc4+= 49.Ke3 Nb5 50.Bh8 Kd5 51.h3 Nc7 52.g4 hg4 53.hg4= Nb5 54.Bg7 Nc7 ½–½. Slobodjan,R (2510) – Nijboer,F (2550), National I, Bischwiller FRA, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.d3 Nc6

7.b5 Na5 8.Qd2 c6 9.Be2 cb5 10.cb5 a6 11.ba6 Ra6 12.0-0 Nc6 13.Rc1 Be6 14.Na3 (14.Bf6 Bf6 15.d4 Ra7+=) 14...Qa5 15.Qa5 Ra5 16.Nc4 Ra4 17.a3 Nd7 18.d4 Rc8 19.Ncd2 h6 20.Ne1 Nb6 21.Nd3 f5 (21...Bc4 22.Nc4 Nc4 23.Bd1 Nb2 24.Nb2=) 22.Bd1 Raa8 23.Nf4 (23.Rc2 Na5=) 23...Bf7=+ 24.Rab1 e5 25.Ne2 ed4 26.Nd4 Nd4 27.Rc8 Nc8 28.ed4 (worse 28.Bd4 Bd4 29.ed4 Ra3-/+) 28...Ne7 29.Kf1 ½-½. marekt (1785) - maltedk (1810), gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3)

7.b5 Na5 8.Be2 c6 9.bc6 Nc6 10.Nbd2 Bf5 11.0-0 d5 12.cd5 Nb4? (better is 12...Nd5!? 13.Bg7 Kg7+=) 13.e4+– Bg4 14.a3 Na6 15.Rb1 b6 16.Ne5 Be2 17.Qe2 Rc8 18.d4 Rc2 (18...Nb8 19.Rfc1+–) 19.Qd3 Rd2 20.Qd2 (20.Qa6?! Ne4 21.Nc6 Qd7 22.Qa7 Qa7 23.Na7 Nf6+=) 20...Ne4 21.Qd3 Be5 22.de5 (22.Qe4?! Bf6+/-; 22.Qa6?! Bb8 23.Qd3 Nf6+=) 22...Nac5 23.Qd4 h5 (23...f6 24.Rfe1 f5 25.e6+–) 24.Rbe1 Ng5 25.f4 Nh7 26.f5 Nb3 27.Qd1 Nc5 28.e6 f6 (28...Qe8+–) 29.fg6 Ng5 30.Rf5 (30.h4!? Nh3 31.gh3 Kg7 32.Bf6 ef6+–) 30...Kg7 (30...Nce6 31.Re6 Qc8 32.h4 Qc5 33.Bd4 Nf3 34.Rf3 Qd5 35.Re7+–) 31.Rg5 (31.Rg5 Rh8 32.Rh5+–) 1–0. Abdenur,Luciano (1905) – Candarle,Daniel (1640), Villaguay Argentina, Entre Rios Cup, 2017. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6)

6.d3 Bg4

7.Be2 Nbd7 8.0-0 c5 9.b5 b6 10.a4 h5 11.Nbd2 e5 12.h3 Bf3 13.Bf3 (13.gf3?! a6=) 13...Rc8 14.Bc3 Re8 15.a5 Qc7 16.ab6 ab6 17.Bc6 Re7 18.Ra2 Nb8 19.Bf3 Rd8 20.Qa1 (20.Qb3 Kh8+–) 20...Nh7 21.Ra8 Ng5 22.Be2 f5 23.Qa2 e4 24.Bg7 Kg7 25.Ra1 Nf7? 26.de4 fe4 27.Ne4 Re4 28.Ra7 Qc8+/- 29.Bf3 Ree8 30.Bd5 Rf8? 31.Qb2+– Kg8 32.Qf6 Rd7 33.Qg6 Kh8 34.Qh5 Kg8?? 35.Be6 Qe8 36.Bd7 Nd7 37.Qg4 Kh8 38.Rd7 Qe5 39.Rd1 Rg8 40.Qh4 Kg7 41.Qg4 Kh8 42.Qf4 Qf4 43.ef4 Rf8 44.Rd5 Kg7 45.Rg5 Kf6 46.Rg3 Ke6 47.Rb7 Nd8 (47...Nd8 48.Re3 Kf5 49.Rb6 Rf6+–). ourang – misi24, kurnik, 2012.

7.Be2 Nbd7 8.h3 Bf3 9.Bf3 c6 10.0-0 e5 11.Nd2 Re8 12.a4 Rb8 13.b5 c5 14.a5 Qe7 15.Bc3 Nf8 16.a6 b6 17.Bc6 Red8 18.Ne4 Ne6 19.Nf6 Bf6 20.Qg4 Bg7 21.Rad1 f5 22.Qg3 Rf8 23.Bd5 Kh8 24.Bb2 Nc7 25.Bc6 Rbd8 26.f4 e4 27.Bg7 Kg7 28.de4 fe4 29.f5 d5 30.f6 Rf6 31.Rf6 Kf6 32.Qh4 Ke6 33.Qf4+– Rf8?? 34.cd5 Nd5 35.Bd5 Kd7 36.Bc4 Ke8 37.Qb8 (37...Qd8 38.Qd8) 1–0. orane (2170) – upmc (1815), Caissa.com, 2004.

6.d4 Na6

7.a3 c5 8.b5 Nc7 9.Nbd2 cd4 10.Nd4 e5 11.N4f3 Ne6 12.Rc1 b6 13.Bd3 Nc5 14.Bb1 Bb7 15.h4 h5 16.Qc2? (better is 16.0-0+=) 16...e4–+ 17.Ng5 Nd3 18.Ke2 Nc1 19.Bc1 d5 20.c5? (better is 20.Rd1–+) 20...bc5 21.Qc5 Nd7 22.Qb4 Rc8 23.Bb2 Ne5 24.a4 a5 25.Qd4 Qd7 26.Nb3? Qg4 27.Kf1 Rc4 28.Qd2 Rfc8 29.Na5 d4?? 30.Nb7= de3 31.fe3 Nd3 32.Bd3? ed3–+ 33.Nf7 Rc2 34.Bg7 Rd2 35.Nh6 Kh7 (35...Kh7 36.Ng4 Rc1) 0–1. Prsa,Ervin – Raszelenberg,Patrick, Dortmund ABC Serie B–23, 2005. (=1.d4 Nf6 2.e3 g6 3.Nf3 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 Na6)

7.b5 Nb8 8.Nc3 c5 9.bc6 bc6 10.Be2 c5 11.0-0 cd4 12.ed4 Nbd7 13.Nd2 Bb7 14.Rb1 a6 15.f4 Qb6 16.Na4 Qa7 17.Bf3 Bf3 18.Qf3 Ne8 (18...Rab8 19.a3=) 19.Nb3 Nc7 20.Na5 Bd4 (20...Rae8!? 21.Nc6 Qa8+/-) 21.Kh1+/- Nb8 (21...Ne6 22.Nc6 Qc7 23.Bd4 Nd4 24.Nd4 Qc4+=) 22.Bd4 Qd4 23.Rfd1 Qf6 24.Qb7 1–0. Ruotsalainen,Sami – Niemelaa,Tuomo, XIX A–NuSM corr/Ks92, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.d4 Bd7

7.Be2 Qc8 8.0-0 b6 9.b5 c5 10.Nbd2 Ng4 11.Qc2 e5? (better is 11...cd4!? 12.Nd4 Nf6+/-) 12.h3 (12.Qe4 Na6 13.ba6 ed4+/-) 12...Nf6 13.de5 de5 14.Ne5 Be6? (better is 14...Bf5 15.e4 Be6+–) 15.Bf3 Bf5 16.Qb3 Bh3 17.gh3 Qh3 18.Bg2 Qh4 19.Ba8 Qg5 20.Bg2 Ng4 21.Ng4 Qg4 22.Bg7 Kg7 23.Qc3 f6 24.e4 h5 25.Qf3 Qe6 26.Rfd1 Nd7 27.Qe2 Ne5 28.Rac1 Qe7 29.Nf3 Ng4 30.Qd3 Kh6 31.Qd7 Qe4 32.Re1 Qf4 33.Re7 Qc1 34.Bf1 Rh8 35.Qd2 Qd2+/- 36.Nd2 f5 37.Ra7+– Ne5 38.Re7 Ng4 39.Re6 Rb8 40.Bh3 Kg5 41.Bg4 hg4 42.Kg2 f4 43.Rc6 f3? 44.Kg3 Rh8 45.Nf3! gf3 46.Kf3 Rh3 47.Ke2 Ra3 48.Rb6 Ra2 49.Ke3 Ra3 50.Ke4 Rc3 51.Kd5 Rc2 52.Kc5 Rf2 53.Rd6 Rf5 54.Rd5 Rd5 55.Kd5 Kf5 56.b6 g5 57.b7 g4 58.b8Q Kg5 59.Qg8 Kh4 60.Qg4! Kg4 61.c5 Kf5 62.c6 Kf4 63.c7 Kf3 (63...Ke3 64.c8Q Kf3 65.Ke5 Kg3 66.Qc3 Kg2 67.Kf4 Kf1 68.Kf3 Kg1 69.Qg7 Kf1 70.Qa1). carocan (1800) – aligatorrex, kurnik, 2011.

6.d4 h6

7.Be2 c5 8.bc5 dc5 9.0-0=.

7.Be2 Nc6 8.b5 Nb8 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 c6 13.Nc3 Nbd7 14.Bb2 Qc7 15.Bd3 e6 16.Qb3 Ne8 (16...Re8 17.Rd1+=) 17.Ra1 Ndf6 (17...c5!?+=) 18.Ra7+– Qb8 19.b6 e5? (better 19...Nd7+–) 20.Qa2 d5 (20...Nc7 21.bc7 Qc7+–) 21.de5 (worse 21.Ne5 Qd6 22.Ba3 Qe6+–; worse 21.cd5 ed4 22.Ra8 Qd6+–) 21...Nd7 22.Ra8 (22.Ra8 Qa8 23.Qa8 Nb6 24.Qb8 dc4 25.Bf1+–; 22.cd5?! Nb6 23.Qa5 Nd7+–) 1–0. Pierre – GuestDeurm, internet, 2020.

7.Be2 e6 8.0-0 Nc6 9.b5 Ne7 10.a4 Ne8 11.Nbd2 f5 12.Qb3 g5 13.Rfc1 Ng6 14.d5 e5 15.e4 f4 16.Ne1 g4 17.f3 h5 18.Nd3 Nf6 19.Kf2 h4 20.Rg1 g3 21.hg3 fg3 22.Ke1 Bh6 23.Nf1 Nh5 24.Bc1 Bc1 25.Rc1 Qg5 26.Qc2 h3 27.Qd2 Qh4 28.Qh6 Rf6 29.Kd1 h2 30.Rh1 b6 31.Ng3 Ng3 32.Qh4 Nh4 33.Rh2 Ng6 34.Kd2 Bd7 35.Bf1 Kg7 36.Ke3 Rh8 37.Rh8 Kh8 38.a5 Nf4 39.Nf4 ef4 40.Kf2 Kg7 41.ab6 ab6 42.Ra1 Rf7 43.Ra7 Be8 44.Bd3 Re7 45.Ra8 Bg6 46.Rc8 Kf7 0–1. bluepiramid2 (1785) – solaris8, kurnik, 2012.

7.Be2 Ne8 8.Qb3 e6 9.0-0 Nc6 10.a3 f5 11.d5 ed5 12.cd5 Ne5 13.Nd4 g5 (13...a5 14.b5+=) 14.Nd2+/- Kh8 15.f4 Ng6 16.Ne6 (16.fg5!? Qg5 17.Rac1+/-) 16...Be6+= 17.de6 Nf6? (17...Bb2!? 18.Qb2 Qf6 19.Qf6 Rf6=) 18.Bd3 (18.fg5 hg5 19.Rf5 g4+–) 18...Qe7 (18...Ne8!?+/-) 19.Bf5+– Nh4 20.Bc2 Ng4 21.f5 Be5? (21...Bb2 22.Qb2 Qf6 23.Qf6 Rf6 24.Rae1+–) 22.h3 (22.Be5 Ne5 23.g3 Nf5 24.Bf5 Kg8+–) 22...Nf6 23.Be5 de5 24.Nc4 g4 25.Ne5 gh3 26.g3 Rg8? 27.Kh2 Nh5 28.gh4 Rg2 29.Kh3 Rg3 30.Kh2 Qh4 0–1. ferminkatcho (1790) – solaris8, kurnik, 2012.

6.Be2 Na6

7.a3 c5 8.b5 Nc7 9.0-0 b6 10.d4 a6 11.dc5 dc5 12.a4 (12.Be5 Qd1 13.Rd1 Ne4=) 12...ab5 (12...Bb7 13.a5 ba5 14.b6=) 13.ab5 Ra1 (13...Bf5 14.Qb3=) 14.Ba1 Bb7 15.Qc2 Qa8 (15...Be4 16.Qb3+=) 16.Nc3 (16.Nbd2 Rd8+=) 16...Ne6 17.Bb2 Rd8 18.Ra1 Qb8 19.h3 h6 20.Bd3 (20.Rd1 Rd6=) 20...Kh7 (20...Bf3!? 21.gf3 Ng5+=) 21.Nh4 Nf8 22.Na4 (22.e4 Ne6 23.Nd5 Ng5=) 22...Qc7 23.g3 (23.e4 Qf4 24.g3 Qc7=) 23...Qd6 24.Rd1? (24.Ra3 Qe6 25.Kh2 Kg8=) 24...Qc7?? (better is 24...Be4! 25.Bf6 Bf6 (worse is 25...ef6 26.Nb2 Bd3 27.Rd3=; worse is 25...Bd3 26.Qd3 Qd3 27.Rd3 Rd3 28.Bg7 Kg7 29.Nb6–/+) 26.Be4 Qd1 27.Kg2 Qc2 28.Bc2 Rd2–+) 25.Nc3 Kg8 26.Ng6?? (better is 26.e4=) 26...fg6–+ 27.Bg6 Rd1 28.Nd1 Ng6 29.Qg6?? (29.Bf6 Qd7 (29...Bf6?! 30.Qg6 Bg7 31.Nc3–+) 30.Bg7 Qh3–+) 29...Qd6 (better is 29...Be4 30.Qg7 Kg7–+) 30.Nc3 Qd2 31.Na4?? (31.Qb1–+) 31...Qd1 (31...Qd1 32.Kh2 Qh1; 31...Qe1 32.Kh2 Qf2) 0–1. GuestVMJM – GuestCFCN, freechess.org, 2018.

7.a3 c5 8.b5 Nc7 9.Nc3 b6 10.0-0 Bb7 (10...a6 11.ba6 Ra6 12.d4=) 11.d4 cd4 12.ed4 (12.Nd4 a6+=) 12...d5 13.c5 (13.Re1 dc4 14.Bc4 a6=) 13...bc5 14.dc5 Ne4 15.Qc2 (better is 15.Na4 Bb2 16.Nb2 Nc5 17.Re1+=) 15...Nc3 (better is 15...Nc5!? 16.Na2 Bb2 17.Qb2 Qd6+=) 16.Bc3+= d4 17.Rad1 (better is 17.Ba5!?+=) 17...Bf3+= 18.Bf3 Rb8 (better is 18...Nb5!? 19.Bb2 Rb8+=) 19.a4+= e5 (19...Ne6 20.Bb4+=) 20.Rfe1 (20.Ba5 Qe7+/-) 20...Qg5 (20...Ne6 21.Bb4+/-) 21.Bd2 Qd8 22.Ba5 White plans b6 22...f5 23.Bc6 Kh8 24.b6 24...ab6+= 25.Bb6 The passed pawn on a4 quickly leads to threats 25...Qc8 26.a5 Rf6 27.Ba4 Nd5? 28.Re5+/- Rfb6 29.Rd5 Rb2 30.Qd3 Qe6 31.Rd6 Qe5 32.Rc6 R2b4 33.Bc2 Bf8 Exerts pressure on the isolated pawn 34.a6 Bc5 35.Rb1?? Rb1–+ 36.Bb1 Qe1 37.Qf1 Rb1 (37...Rb1 38.Rc8 Kg7 39.Rc7 Kh6 40.Rh7 Kh7 41.h4 Qf1 42.Kh2 Qf2 43.h5 Qh4; worse is 37...Qb1 38.Rc8 Kg7 39.Rc5+=) 0–1. Gegonz – zsozekosta (1610), internet, 2007. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.Be2 d6 6.c4)

7.a3 c5 8.b5 Nc7 9.Nc3 d5 10.d4=.

7.b5 Nc5 8.a4 a6 9.0-0 ab5 10.ab5 Bf5 (10...Ra1 11.Ba1 e5 12.d4 ed4 13.Bd4= (13.Qd4? Nh5 14.Qd2 Ba1-+; 13.ed4?! Ne6=; 13.Nd4?! Re8=)) 11.Nd4 (11.Ra8 Qa8 12.Nc3 Qa5=) 11...Ra1 (11...Bd3 12.Ra8 Qa8 13.Nc3=) 12.Ba1 Bd3 13.Bd3 Nd3 14.Qe2 Nc5 15.Nc2 e5 16.d4 ed4 17.Bd4 Nfe4 18.Bg7 (18.Nd2 f5+=) 18...Kg7= 19.Nb4 Qg5 20.Nd5 c6 21.bc6 bc6 22.Nf4 (22.Nb4 Rc8=) 22...Rb8 23.Qc2 (23.f3 Nf6=) 23...Qe5=+ 24.Nd2?? (better 24.Qd1=+) 24…Rb2-+ (24...Rb2 25.Qd1 Nd2-+) 0-1. mch21 (2505) - LastClassical (2525), Rated Blitz game, lichess.org, 2016. (=1.c4 A15: English Opening: 1...Nf6 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.Nf3 0-0 5.e3 d6 6.Be2)

7.b5 Nc5 8.d4 Nce4 9.Nbd2 Nd2 (9...c6 10.0-0=) 10.Nd2= a6 (10...c6 11.a4=) 11.a4 c5 (11...c6 12.0-0=) 12.0-0 cd4 13.ed4 ab5 (13...Be6 14.Qc2=) 14.ab5 Ra1 15.Qa1 d5 (15...Bf5!?=) 16.c5+= Qc7 (16...Bf5 17.Qa7 Qd7 18.Ra1+=) 17.Qa7 Qf4 18.Bc3 Re8 (18...Qf5 19.Bb4+=) 19.c6 bc6 20.bc6 Qd6 (20...Bf5 21.Qc5+=) 21.c7+/- e6 (21...Bf5!?+/-) 22.Rb1+– Qc6 23.Ba5 Bh6 (23...Qc2 24.Qb8 Bf8 25.h4+–) 24.Qb6 Qc2 25.Bd1 Qd3 (25...Qf5 26.Ba4 Nd7 27.Qb3+–) 26.Rb3 Qf5 27.Nf3 Bf4? (better is 27...Kg7+–) 28.g3 Bh6 (28...Bg5 29.Ne5 Qe4 30.Qc5+–) 29.Ne5 Qe4 (29...Rf8 30.Bb4 Re8 31.Qb5+–) 30.Qb4 Rf8 (30...Kg7 31.Rf3 Rf8 32.Qa4+–) 31.Nc6 (31.Nc6 Kg7 32.f3+–) 1–0. ggo7801 (1640) – euruf87, internet private game online, 2018.

6.Be2 e6

7.0-0 b6 8.d4+= Bb7 9.Nc3 Na6 (9...c5 10.dc5 dc5 11.bc5 bc5 12.Qb3=) 10.b5 Nb8 11.a4 (11.Qd3 a6+=) 11...c5 12.a5 (12.bc6 Nc6 13.e4 Rc8=) 12...cd4 13.Nd4 ba5 14.Nb3 Qc7 (14...Ne4!? 15.Qd3 Nc3 16.Bc3 Qg5+=) 15.Na5+/- Bc8? (better is 15...d5+/-) 16.Bf3+– d5 17.cd5 ed5 18.Nd5 Rd8 (18...Nd5 19.Bg7 Rd8+–) 19.Nc7 Rd1 20.Rfd1 (20.Rfd1 Bd7 21.Na8+–) 1–0. DEFFM – Aaean, freechess.org, 2018.

7.Nc3 a6 8.a4 (8.d4 Qe7+=) 8...Bd7 9.b5 c6 10.0-0 c5 11.d3 b6 12.h3 Ra7 13.Qc2 h6 14.Rfd1 Bc8 15.d4 Rd7 16.e4 White prepares the advance d5 16...Bb7 17.d5 Re8 18.e5 Nh7 19.Ne4 (19.ed6!? ed5 20.Nd5 Bb2 21.Ne7 Rde7 22.de7 Qe7 23.Qb2 Qe2 24.Qe2 Re2 25.Rd8 Nf8 26.Rb8 Bf3 27.gf3 ab5 28.ab5+–) 19...de5= 20.de6 (20.Ne5 Be5 (worse 20...ed5 21.Nd7 Bb2 22.Qb2 Qd7 23.ba6+–) 21.Be5 ab5=+) 20...Re6=+ 21.Rd7 Nd7 22.Rd1 Be4 23.Qe4 ab5 24.cb5 Ng5?? (better 24...Nhf6 25.Qc2 Qa8=) 25.Ng5+– hg5 26.Qd5 Re7 27.Bg4 e4 28.Bg7 (28.Bd7 Bb2 29.Be6 Qd5 30.Bd5 e3–/+) 28...Kg7 29.Bd7 f6 (29...Qc7 30.Bc6+–) 30.Bc6 (30.Qc6 Qb8+–) 30...Qc7 (30...Qd5 31.Bd5 f5 32.a5 ba5 33.b6+–) 31.Qd6 (better 31.a5 e3 32.fe3 Qg3 33.ab6 Qe3 34.Kh1 g4+–) 31...Qa7 (31...Qd6 32.Rd6 f5 33.a5 ba5 34.b6+–) 32.Qe7! Qe7 33.Rd7 Qd7 34.Bd7 f5 (34...c4 35.Kf1 Kh6+–) 35.a5! c4 (35...ba5 36.b6 Passed pawn) 36.Kf1 c3 37.Ke1 c2 38.Kd2 f4 39.Kc2 Kf6 40.ab6 1–0. De Visser,Arno – Worsfold, Guernsey, 1983.

6.Be2 Be6

7.0-0 c5 8.bc5 dc5 9.Qb3=.

7.0-0 Nc6 8.b5 Na5 9.Qa4 b6 10.Nc3 (10.Nd4 Bg4+=) 10...Ne4 (10...a6 11.Nd4=) 11.Ne4+= Bb2 12.Rab1 Bg7 13.d4 Bf5 14.Qc2 Qd7 15.Nh4 Be4 16.Qe4 c6 17.bc6 Nc6 18.Rfd1 Rac8 19.Nf3 e6 20.Qf4 e5 (20...Rfe8!?+=) 21.de5+/- Ne5 22.Ne5 Be5?? (better is 22...de5 23.Rd7 ef4 24.ef4 Rfe8+/-) 23.Qe5!!+– Qa4 24.Rd6 Qa2 25.Rb2 Qa1 26.Rd1 Qa4 27.Rbd2 Rfe8 28.Qf6 Rf8 29.Ra1 Qb4 30.Rb2 Rc6 31.Qe5 Re6 32.Rb4 Re5 33.Ra7 Rd8 34.Rb6 Rd2 35.Kf1 Rc2 36.Ke1 Rc1 37.Kd2 Rh1 38.h3 Rh2 39.Bf3 1–0. pierre – zaxty, internet, 2010.

7.0-0 Nbd7 8.Nc3 (8.Nd4 c5 9.Ne6 fe6 10.bc5 Nc5+=) 8...a6 (8...c5 9.bc5 dc5 10.Qb3=) 9.Ng5 c5 (9...Bf5 10.g4 Be6 11.f4+=) 10.Ne6+/- fe6 11.bc5 Nc5 (11...dc5 12.Qb3+/-) 12.d4 Nce4 13.Ne4 Ne4 14.Bg4 (14.Rb1 Qc7+/-) 14...Qd7 (14...Qc8 15.Qd3 Nf6 16.Bh3+/-) 15.d5 Nc5 16.Bd4 Bd4?? (better is 16...h5 17.Bh3 Qc7+/-) 17.ed4+– (17.Qd4?! Rac8+=) 17...h5 (17...Qc7 18.dc5 e5 19.Be6 Kg7 20.Rb1+–) 18.Bh3 Kg7 19.dc5 dc5 20.Re1 Qc7 21.Re6 Rad8 22.Qc2 Rf6 23.Rae1 Re6 24.Re6 Qf4 25.Rg6 (25.Rg6 Kh8 26.Qd1 Rd5 27.cd5 Qh6 28.Rh6 Kg7 29.Qh5 Kf8 30.Rh7 b5 31.Qf7#) 1–0. pcmvr (1830) – Kid A, ChessHere, 2005.

7.Nc3 Nc6 8.Ng5 Nb4 9.Ne6 fe6 10.a3 Nc6 11.0-0 d5 (11...Qd7 12.Rb1=) 12.Qc2 (12.cd5 ed5 13.Rb1 Na5=) 12...d4+= 13.Nb5 e5 14.f4 a6 (14...ef4 15.Nd4 (15.ef4? a6–+; 15.Rf4? e5 16.Rf2 a6–+) 15...Nd4 16.ed4+=) 15.fe5+= Nd7? (better is 15...ab5 16.ef6 Bf6 17.cb5 Na5+=) 16.Nd4+– Be5 (16...Nd4 17.ed4 e6+–) 17.Ne6 Rf1 18.Rf1 Qc8 (18...Qb8 19.d4 Bf6 20.g4+–) 19.d4 Bf6 20.Bg4 Qb8 21.Rf2 Nd8 (21...Kh8 22.e4+–) 22.e4 Ne6 (22...Nf7 23.e5 Nfe5 24.de5 Ne5 25.Be5 Be5+–) 23.Be6 Kg7 24.e5 Ne5 (24...Qa7 25.c5 b6+–) 25.de5 Bh4 (25...Bg5 26.Rf7 Kh8 27.Qf2+–) 26.Rf7 Kh6 (26...Kh8 27.Qd2 Qg8+–) 27.Bc1 Bg5 28.Bg5 Kg5 (28...Kh5 29.Rh7 Kg5 30.Qd2) 29.Qd2 Kh5 30.Rh7 1–0. Janek – Bonubo, internet free game, 2017.

6.Be2 Re8

7.0-0 Nc6 8.b5 Nb8 9.a4 c6 10.Nc3 cb5 11.cb5 a6 12.d4 ab5 13.ab5 Ra1 14.Qa1 Bd7 15.Qa7 Qc7 16.Ba3 Bg4 17.Rc1 Nbd7 18.Na2 Qb6 19.Qb6 Nb6 20.h3 Bc8 21.Bb4 Nbd5 22.Bd2 Bd7 23.Nb4 Rc8 24.Rc8 Bc8 25.Nd5 Nd5 26.Bc4 e6 27.Bd5 ed5 28.Bb4 Bf8 29.b6 Be7 30.Nd2 Kf8 31.Nb1 Ke8 32.Nc3 Be6 33.Nb5 Kd7 34.Nc7 Kc6 35.Na8 Bd8 36.f4 Bb6 37.Nb6 Kb6 38.Bd6 Kc6 39.Bc5 b5 40.Bb4 Kb6 41.Kf2 f5 42.Kf3 h5 43.Kg3 Bf7 44.Kh4 Kc6 45.Kg5 Kd7 46.g4 hg4 47.hg4 fg4 48.Kg4 Ke6 49.Kg5 Be8 50.Bc5 Bf7 51.Bb4 Be8 52.Bc5 Bf7 53.Bb4 ½–½. Abdullaevich (1650) – mcetin (1605), lichess.org, 2018.

7.0-0 Nbd7 8.a4 e5 9.b5 e4 10.Nd4 Ne5 11.Na3 h5 12.h3 Bd7 13.f4 ef3 14.Nf3 Qe7 15.Ne5 de5 16.Nc2 Rad8 17.Bc3 (17.d3 Qd6+=) 17...Bc8 (17...Ne4 18.Qe1=+) 18.Qe1 (18.Bb4 Qe6+=) 18...Ne4= 19.Bb2?? (better 19.d3 Nc3 20.Qc3=) 19...Nd2-+ 20.Rf2 Ne4 (20...Be6 21.Bc3 Nc4 22.Bc4 Bc4 23.e4-+) 21.Rf1 Bh6 (21...Qg5 22.h4 Qg3 23.Bf3 Qe1 24.Rfe1-+ (worse 24.Rae1 Nd2-+)) 22.Rd1 Bf5 (22...Rd1 23.Bd1 Qc5 24.Kh2 Qc4 25.Na3-+) 23.Bh5 (23.Bd3 Nf2! 24.Rf2 Bd3-+) 23...Nc5 (23...Nd6 24.Rf5 Nf5 25.Rd8 Qd8 26.Bg4-+) 24.Rf5 gf5 25.Qg3 (better 25.Ba3-/+) 25...Qg5 (25...Bg7 26.Ba3 Rd1 27.Bd1-+) 26.Qg5 (26.Rd8 Qg3 27.Re8 Bf8 A) worse 28.Re5 Nd3 (28...Na4 29.Bd4 Bg7 30.Re8 Bf8 31.Bf3+/-) 29.Rf5 Nb2-/+; B) 28.Be5+=) 26...Bg5-/+ 27.Rd8 Rd8 (27...Bd8 28.a5-/+) 28.Be5 Rd2 29.Nb4 Be3 30.Kf1 (30.Kh2 Na4 31.Bf3 Nb6-/+) 30...Ne4 (30...Rf2!? 31.Ke1 Rg2-+) 31.Nd5-/+ Bh6 (31...Rf2 32.Ke1 Bg5 33.Bf3-+) 32.Bc7 Ra2 33.Be5 (33.Bd1 Bg7=+) 33...Ra4 (better 33...Nd2 34.Kg1 Nc4-/+) 34.Nf6? (34.Ne7 Kf8 35.Nf5+=) 34...Kf8 (34...Nf6 35.Bf6 Rc4 36.Be2 Rf4 37.Ke1-+) 35.Ne4 fe4 36.Be2 e3 (36...Bg7 37.Bd6 Ke8 38.g4-+) 37.Bf3 (37.g4 Bg5-/+) 37...a5 (37...Rc4 38.Bb7 Rc1 39.Ke2 Rc2 40.Ke1-+) 38.Ke2 (38.Bd5 Ra2 39.Ke1 Bg7 40.Bg7 Kg7-+) 38...Ra2 (38...Rc4 39.Kd3 Rc8 40.Bb7 Rd8 41.Ke2 Rd2 42.Kf3-+) 39.Kd3 (39.Ke1 Bg7 40.Bg7 Kg7 41.Bb7 a4-+) 39...b6 40.Bd5? (better 40.g4-+) 40...Bg7 (better 40...Rd2 41.Ke4 Rg2-+) 41.Bg3? (41.Bd6 Ke8 42.Ke3 Kd7=) 41...Ra1 (41...Ra3 42.Ke2 Rb3 43.c5 Rb5 44.cb6 Rb6 45.Ke3-+) 42.Ke2? (42.Bd6 Kg8 43.Ke3=+) 42...a4?? (42...Bd4 43.Bd6 Kg7 44.c5 bc5 45.b6-+) 43.Ke3?? (43.c5 bc5 44.b6+/-) 43...a3 (better 43...Ra3 44.Kf4 Rb3-+) 44.c5-/+ Rc1?? (better 44...bc5 45.Bd6 Ke8-/+) 45.cb6+- Rb1? (better 45...Rc3 46.Ke4 Rg3+-) 46.b7 Rb5 47.b8Q Rb8 48.Bb8 Bf6 49.Ba2 Be7 50.Ke4 f6 51.Bf4 Kg7 52.Bg3 (52.h4 Bb4+-) 52...Kf8 (52...Bc5 53.Kd5 Bf8 54.Bf4+-) 53.Bf2 Bd6 54.Kf3 (54.Bd4!? Kg7+-) 54...Be7 55.g4 Bd6 (55...Kg7 56.Kf4+-) 56.Ke4 (56.h4 Kg7+-) 56...Be7 (56...Kg7 57.Kf5+-) 57.Kf5 Bd8 (57...Kg7 58.Bd4 Kf8 59.Bf6+-) 58.Be3 (better 58.Bc5 Kg7+-) 58...Be7 59.Bf4 Ke8 (59...Kg7 60.Bd2+-) 60.Bh6 Bd8 61.Bf4 Be7 62.Be6 Bd8 63.Bb3 Be7 64.Bd6! Bd8?? (64...Bd6 65.Ba4 Double attack (65.Ke6 Decoy)) 65.Be7 (65.Ke6 Bb6 66.Be7 f5 67.Ba4) 65...Be7 66.Kg6 Bd8 67.Kf5 Be7 68.Ba2 Bd8 69.g5 (better 69.h4 Kf8 70.h5=) 69...Kd7?? (better 69...fg5 70.Ke6 Ba5-/+) 70.g6+- Bc7 71.g7 Kc6 72.g8Q Kb6 73.Qf7 Bd6 74.Qf6 Kc5 75.Qe6 Kd4 76.Qd5 (76.Qd5 Kc3 77.Qd6 Kc2 78.Qd4 Kc1 79.Qf2 Kd1 80.Bb3 Kc1 81.Qc2; 76.Qd6 Kc3 77.Ke4 Kc2 78.Qd4 Kc1 79.Kd3 Kd1 80.Qg1) 1-0. Poncheki (2235) - RodrigoMarianoFreyre (2505), Eastern SuperBlitz Arena, lichess.org, 2023.

7.0-0 Bf5 8.Nc3 Nbd7 9.Nd4 e5 10.Nf5 gf5 11.Qc2 e4 12.f3 Qe7 13.fe4 fe4 14.Nd5 Nd5 15.Bg7 Kg7 (better is 15...Ne3!? 16.de3 Kg7=) 16.cd5+/- Kh8 (16...Nb6!? 17.Rf5 f6+/-) 17.Qc7 Rab8 (17...Nb6 18.Rf7 Qc7 19.Rc7 Nd5 20.Rb7+–) 18.Qc3 Ne5 (18...Kg8 19.Rf4 Qe5 20.Bb5+–) 19.Rf4 Rg8 20.Re4 Qg5 21.Rg4 Qf6 22.Rg8 Rg8 23.Rf1 Qg5 24.g3 f6 (24...Qe7 25.e4+–) 25.Bf3 h5 26.Bg2 h4 27.Rf4 hg3 28.h3 Qh5 29.Qa1 Rf8 30.b5 Kh7 31.Qb1 Kh6 32.a4 Ng6 33.Rg4 Nh4? 34.Rg3 Ng2 35.Rg2 f5 36.Qb2 Rf7 37.Qh8 Rh7 38.Qf6 (38.Qf6 Qg6 39.Qg6) 1–0. orangutanb4 (1985) – azatied (1685), kurnik, 2011.

7.0-0 Bf5 8.d4 Nbd7 (8...c5 9.bc5 dc5 10.Qb3=) 9.Nh4+= Bb1 10.Rb1 a5 11.b5 b6 (11...e5 12.Nf3+=) 12.Bf3+/- Rc8 (12...Ra7 13.Bc6+/-) 13.Bc6 (13.Bb7 Rb8 14.Bc6 e5+/-) 13...e6 (13...e5 14.Nf3+/-) 14.f4 Ng4?? (better is 14...Qe7+/-) 15.Qg4+– f5 16.Qh3 Rf8 (16...Qe7 17.Nf3 Red8 18.e4 fe4 19.Ng5+–) 17.Nf3 Nb8 (17...Nf6+–) 18.Ng5 h6 19.Ne6 Qe7 20.Nf8 Rf8 21.Bd5 Kh7 (21...Kh8 22.Rbe1+–) 22.e4 Nd7 (22...fe4 23.f5 g5 24.Rbe1+–) 23.Rbe1 fe4 24.Be4 Qf7 (24...Qd8 25.f5+–) 25.f5 h5 26.fg6 (26.fg6 Qg6 27.Bg6 Kg8 28.Qd7 Rf2 29.Rf2 c6 30.Re8 Bf8 31.Rff8#) 1–0. pcmvr (1845) – the yid, internet, 2005.

7.d4 c5 8.bc5 dc5 9.0-0=.

7.d4 Nc6 8.b5 Nb8 9.Nc3 Bg4 10.Qd3 c6 11.0-0 Bf3 (11...Bf5 12.Qd2+=) 12.Bf3+– (worse 12.gf3 Nbd7=) 12...d5 13.bc6 bc6 14.cd5 cd5 15.e4 de4 16.Ne4 (16.Be4?! Ne4 17.Qe4 Nd7=) 16...Nbd7 17.Nf6 Nf6 18.Ba8 Qa8 19.Rfc1 Nd5 20.g3 e6 21.Ba3 Qb7 22.Bc5 a6 23.Rab1 Qc6 24.Bf8! Qd7 (24...Rf8 25.Rc6 Discovered attack; 24...Bf8 25.Rc6 Discovered attack; 24...Kf8 25.Rc6 Discovered attack) 25.Bg7 Kg7 26.Qa6 Nf6 27.Rb7 Qd5 (27...Qd4 28.Rcc7 Qd1 29.Qf1 Qf1 30.Kf1 Rf8+–) 28.Qa7 Rf8 29.Rcc7 e5 30.de5 Ne4 (30...Qd1 31.Kg2 Qd5 32.f3+–) 31.Rd7 Qe6 32.h4 Qf5 (32...Nc3 33.Qc5 Ne2 34.Kf1+–) 33.Qd4 Qf3 (33...Kh6+–) 34.e6 Nf6 35.Rf7 Rf7 (35...Kh6 36.Qd2 Qe3 37.Qe3 Kh5 38.Qg5) 36.Rf7 (36.Rf7 Kh8 37.Rf6 Kg7 38.Rf3 Kg8 39.Qd8 Kg7 40.Qf8) 1–0. Guest – GuestTuppe, internet, 2020.

6.Be2 h5

7.0-0 c5 8.bc5 dc5 9.d4 Nc6 10.d5 Na5 11.Nbd2 e6 12.e4 Re8 13.Qc2 ed5 14.cd5 Ne4 15.Bg7 Nd2 16.Qd2 Kg7 17.Bb5 Re4+=.

7.Qb3 e5 8.Nc3 Nbd7 9.0-0 Re8 10.d4 e4 11.Nd2 Nf8 12.d5 Bf5 13.c5 N6d7 14.cd6 cd6 15.Nc4 Nb6 16.Nb6 Qb6 17.Nb5 a6 18.Nd4 Bg4 19.Bc4 h4 20.h3 Bh5 21.b5 a5 22.a4 Nd7 23.Rfe1 Be5 24.Ne2 Bb2 25.Qb2 Ne5 26.Rac1 Rac8 27.Qa2 Rc7 28.Bb3 Nd3 29.Rc7 Qc7 30.Rb1 Be2 31.Qe2 Qc3 32.Bd1 Nc5 33.Bc2 b6 34.Rd1 f5 35.Rd4 Rc8 36.Rc4 Qe5 37.Qd2 Re8 38.Qd4 Kf7 39.Qc3 Kf6 40.Rd4 g5 41.Qe1 Rg8 42.Qe2 g4 43.Kh1 Rg5 44.Qd1 Kf7 45.Qe2 gh3 46.gh3 Qg7 47.Rd1 Nd7 48.Qc4 Kg8 49.Qc8 Kh7 50.Qc7 Ne5 0–1. Kreuzer – Walter, 1984.

7.d4 c5 8.a3 Qb6 9.Nc3 Bd7 10.dc5 dc5 11.Na4 Ba4 12.Qa4 Nc6 13.Bc3 Ng4 14.Bg7 Kg7 15.h3 Nge5 16.0-0 Nf3 17.Bf3 cb4+=.

7.d4 c5 8.bc5 dc5 9.0-0 Nc6 10.d5 Nb4 11.a3 Na6 12.Bd3 Re8 13.Qb3 e6 14.Rd1 ed5 15.cd5 Nc7 16.Nc3 Bg4 17.e4 b6+=.

6.Be2 h6

7.0-0 b6 8.h3 Bb7 9.Nh2 a6 10.d4 Nc6 11.a3 Rb8 12.d5 Ne5 13.f4 Ned7 14.Nd2 (14.Nc3 c6 15.dc6 Bc6=) 14...Re8 (14...Nd5 15.cd5 Bb2 16.Ra2–/+) 15.Nb3? (15.Bd4 e6 16.de6 Re6=) 15...Ne4?? (better is 15...Nd5 16.cd5 Bb2–/+) 16.Bg7+= Kg7 17.Qd4 Nef6 18.g4 e5 19.de6 Re6 20.g5 hg5 21.fg5 Ne5 22.gf6 Rf6 23.Rf6 Qf6 24.Rf1 Qg5 25.Kf2?? Qf5?? 26.Ke1+– Qc2 27.Nd2 Qc1 28.Kf2 Qc2 29.Ng4 Rh8?? 30.Ne5 de5 31.Qe5 Kg8 32.Ne4 Qe4= 33.Qc7 Qg2?? 34.Ke1+– Rh3?? 35.Qb6 Qg3+– 36.Kd2 Qg2 (36...Qg2 37.Qd8 Kg7 38.Qf6 Kh6 39.Rf5 Qe2 40.Ke2 Rh2 41.Kd3 Be4 42.Ke4 Rh4 43.Qh4 Kg7 44.Qf6 Kh7 45.Qf7 Kh6 46.Qf8 Kh7 47.Rf7#) 0–1. cogit – nikiforos, kurnik, 2012.

7.0-0 e5 8.d4 ed4 9.ed4 d5 10.c5 a6 11.Ne5 Re8 12.Nd2 Nfd7 13.f4 Nf6 14.Bd3 Nc6 15.f5 Bf5 16.Bf5 gf5 17.Nc6 bc6 18.Rf5 Rb8 19.a3 a5 20.Bc3 ab4 21.Bb4 Qd7 22.Rf4 Ne4 23.Nb3 Qe6 24.Qf1 Ng3 25.hg3 Qe3 26.Kh2 Qb3 27.Rf7 Rf8 28.Rf8 Rf8= 29.Qg1 Qd3 30.Rd1 Rf5 31.g4 Qe4 32.Qe1 Qg4 33.Bc3 Rg5 34.Rd2= Qf4 35.Kg1 Rg3 36.Bb2 Re3 37.Qf2 Qe4 38.a4 Re1 39.Kh2 Qb1 40.g3?? Rh1–+ 41.Kg2 Qe4 42.Qf3 Rg1!! 43.Kg1 Qf3 44.Kh2 Qe3 45.Bc1 Qc3 46.Rd1 Qc2 (47.Rd2 Qc1–+) 0–1. Doctor? 3.0 – Fritz 8, 2004.

7.0-0 Kh7 8.Nc3 Ng8 (8...c5 9.bc5 dc5 10.d4+=) 9.a4 c6 10.d4 f6 (10...Nf6 11.a5+=) 11.Qc2 Bf5 12.Qb3 b6 13.Nh4 Bc8 14.Qc2 f5 15.a5 e5 16.Nf3 e4 17.Nd2 Bb7 18.Rfd1 Nd7 19.a6 Bc8 20.Nf1 Ndf6 21.b5 c5 22.Na4 Qc7 23.dc5 dc5 24.Nc3 Be6 25.Nd5 Bd5 26.cd5 Rfd8 27.Bc4 Qd6 28.Rd2+= Nh5 29.Rad1 Bb2 30.Qb2 Ngf6 31.Ng3 Ng3 32.hg3 g5 33.f4 Ng4 34.Qc3= Kg6 35.Be2 Re8 36.Bg4+/- fg4 37.Kf2 Re7 38.Rh1 Rf8 39.Rdd1 gf4 40.gf4 Rf5 41.Qc4 Rf4?? 42.ef4+– Qf4 43.Ke1 Qg3 44.Kd2 e3 45.Kc1 e2 46.Qc2 Kg7 47.Qb2 Kg8 48.Rde1 Re3?? 49.Re2+– Rc3 50.Rc2 Qe3 51.Kb1?? Rb3= 52.Rd1 Rb2 53.Kb2 Qe8–/+ 54.d6 Qb5 55.Kc1 Qd7 56.Re2 Kf7?? 57.Re7+– Qe7 58.de7 Ke7 59.Kc2 b5 60.Kc3 Ke6 61.Rd8 h5 62.Ra8 h4 63.Ra7 h3 64.gh3 gh3 65.Rh7 h2 66.a7 b4 67.Kc4 Kd6 68.a8Q h1Q 69.Qh1 b3 70.Qd5# 1–0. orangutanb4 (1920) – gandalf9, kurnik, 2011.

6.h3 a6

7.Nc3 Nc6 8.Qb3=+.

7.Nc3 Be6 8.d4= b6 (8...d5 9.Ng5=) 9.Bd3+= Qc8 (9...Bd7 10.d5+=) 10.Qc2 (10.0-0 Bd7+–) 10...c6 (10...Nc6 11.a3 Bf5 12.0-0+=) 11.0-0 (11.Ng5 a5 12.Ne6 Qe6+–) 11...b5+= 12.Ne4 (better 12.c5+=) 12...Ne4–/+ 13.Be4 Bc4 14.Rfc1 d5 15.Bd3 Nd7 16.a4 Qb7 17.a5 f6 18.Bg6? (better 18.Rd1=+) 18...hg6–+ 19.Qg6 Rf7 20.Nh4 Nf8 21.Qg4 e6 22.e4 (22.Nf3 Qd7–+) 22...de4 23.Qe4 Bd5 (23...Bh6 24.Rc3–+) 24.Qg4 Re8 25.Rc3 (25.Nf3 Qe7 26.Bc3 Nd7–+) 25...Qd7 (25...Qe7!? 26.Ba3 f5 27.Qg3–+) 26.Rg3 f5 27.Qh5 Ree7 (27...Nh7 28.Rg6–+) 28.Bc1 (28.Re1 Nh7–+) 28...f4 (28...Qd6!? 29.Qd1–+) 29.Rg4 Qe8?? (better 29...Qd6 30.Bd2 Nd7–+) 30.Bf4–/+ Rf4 (30...Nd7 31.Bg5 Rf5 32.Qe8 Re8 33.Nf5 ef5 34.Rf4=+) 31.Qe8=+ Re8 32.Rf4 Kh7 (32...Nd7 33.Rb1=+) 33.Ra3 Ng6?? (better 33...e5 34.de5 Re5=) 34.Ng6+– Kg6 35.Rg3 Kh7 36.Rf7 Rg8 37.Ra7 Bc4? (37...Be4 38.Ra6 Bd4 39.Rg8 Kg8 40.Ra8 Kf7 41.Rb8+–) 38.Rg4 (better 38.Ra6 Bd4 39.Rg8 Kg8 40.Rc6+–) 38...Bd5?? (better 38...Kh6+–) 39.Ra6 Bd4 (39...Bc4 40.Rc6 Kh6 41.Rc7+–) 40.Rd4 (40.Rh4 Kg6 41.Rd4 Kf5+–) 40...Rg2 41.Kf1 Rh2 42.Ra7 Kg6 (42...Kh6 43.Rh4 Kg5 44.Rg4 Kf6 45.Rh7+–) 43.Rg4 Kf5 (43...Kf6 44.Rh7 Rh1 45.Rg1 Bc4 46.Kg2 Bd5 47.f3 Bf3 48.Kf2+– (48.Kf3?! Rg1 49.a6 Ra1+–)) 44.Rh7 Rh1 45.Ke2 (45.Rg1!? Bc4 46.Kg2 Bd5 47.f3 Bf3 48.Kf2 Rg1 49.Kg1 Ke5+–) 45...Bc4 (45...Ra1 46.Rf7 Ke5 47.f4 Kd4 48.f5 Ke5 49.f6+–) 46.Ke3 Re1 (46...e5+–) 47.Kd4 e5 48.Kc5 Bd5 (48...Ra1 49.Kd6 Ra3 50.Ke7 Rh3 51.Rh3 Kg4 52.Rg3 Kf5 53.a6 e4 54.a7 Ke5 55.a8Q e3 56.Rg4 Kf5 57.Qc8 Ke5 58.Qc6 ef2 59.Qe4) 49.a6 Rc1 (49...Ra1 50.a7 Ra6+–) 50.Kd6 Ra1 51.a7 (51.Ke7 Ra6 52.Rh5) 51...Ra6 (51...Kf6 52.h4 Ra2 53.Rg5+–) 52.Rh5 Kf6 53.Re5 (better 53.Rh6 Kf5 54.Rg7 Bh1+–) 53...Ra7 54.Rd5 (better 54.Re8 Kf5+–) 54...cd5 55.Kd5 Rc7 56.h4 Rc2 57.h5 (better 57.f3+–) 57...Rf2 58.Rg6 Kf7 59.Kc6 Rf5 60.Rd6 Rh5 61.Rd5 Rh8 62.Rb5 Rc8 63.Kd7 Ra8? (better 63...Rc4+–) 64.Rb7 Ra1 65.Kc8 (65.b5 Kf8+–) 65...Ke8? (better 65...Ke6 66.Kc7 Rc1 67.Kb6 Rb1+–) 66.b5+– Rc1 67.Kb8 Kd8 68.b6 Rb1 69.Ka8 Ra1 (69...Ke8+–) 70.Ra7 Rb1 1–0. Vila Vila,Ricard – Iglesias Vila,Carles (1800), 2nd Obert d'Escacs del Moianes, 2013.

6.h3 c6

7.a4 Nbd7 8.b5 e5 9.Nc3 Re8 10.Be2 Nc5 11.0-0 Nfe4 12.Ne4 Ne4 13.bc6 bc6 14.d3 Nc5 15.d4 Ne4 16.de5 1–0. riditko – giovanni5, kurnik, 2012.

7.d4 Nbd7 8.Nc3 b6 9.Be2 Qc7 10.0-0 Bb7 11.Rc1 Rab8 12.c5 (better is 12.Qa4!?+=) 12...bc5+= 13.dc5 dc5 14.a3 cb4 15.ab4 a5 16.b5 c5 17.Na4 Rbc8 18.Bc4 e6 19.Qb3 Bf3 20.gf3 Nb6 21.Nb6 Qb6 22.e4 Nd7 23.Bg7 Kg7 24.f4 Ra8 25.Rfd1 Nf6 26.f3 Nh5 27.Qc3 Kg8 28.Qe5 Rfd8 29.Kg2 Rd1 30.Rd1 a4 31.Rd6 Qb8 32.f5 ef5 33.ef5 a3 34.fg6 hg6 35.Rg6 Kf8 36.Qc5 Ke8 37.Rg8 (37.Bf7 Kf7 38.Qf5 Nf6 39.Qf6 Ke8 40.Rg8 Kd7 41.Rg7 Ke8 42.Qe7) 37...Kd7+– 38.Rb8 Rb8 39.Qh5 Ra8 40.Qf7 Kc8 41.Qe6 (41.Qe6 Kc7 42.b6 Kb7 43.Bd5 Ka6 44.b7 Kb5 45.Qc6 Kb4 46.ba8Q a2 47.Qaa4; 41.b6 Kd8 42.Be6 a2 43.Qd7) 1–0. vihavald (1670) – mentori1111, kurnik, 2011.

7.Be2 Be6 8.a4 a6 9.0-0 Nbd7 10.Nc3 b5 11.ab5 cb5 12.cb5 ab5 13.Nb5 Qb6 14.Bd4 Qb7 15.Ra8 Ra8 16.Nh4 Nb6 17.Bf3 Qb8 18.Ba8 Qa8 19.Bb6 Qb7 20.Bd8 Qb5 21.Be7 Qb4 22.Qc2 Nd5 1–0. riditko – eirstol, kurnik, 2012.

6.h3 Nc6

7.a3 a5 8.b5 Nb8 9.d4 b6 10.Nc3 Bb7 11.Be2 c6 12.0-0 cb5 13.cb5 Nbd7 14.Rc1 Rb8 15.Nd2 e5 16.de5 Ne5 17.Qb3 Qd7 18.Nc4 Nc4 19.Bc4 Rbc8 20.Rfd1 Ba8 21.Na4 Qb7 22.f3 d5 23.Be2 Rfd8 24.Bd4 Nh5 25.Rc8 Rc8 26.Nb6 Ng3 27.Bf1 Bd4 28.Rd4 Qb6 29.Bd3 Rc1 30.Kf2 Nh1 31.Ke2 Qc7 32.f4 Ra1 33.b6 Qc1 34.Kf3 Ra3 35.Qc2 1–0. vihavald (1700) – hayk57 (1675), kurnik, 2012.

7.a3 Ne5 8.Ne5 de5 9.Be5 Bf5 10.Bb2 Bd3 11.Bd3 Qd3 12.Nc3 Ne4 13.Rc1 a5 14.Qe2 Qe2 15.Ke2 Nc3 16.Bc3 Bc3 17.dc3 ab4 18.cb4 Ra3 19.Rhd1 Ra4 20.b5 Ra2 21.Kf3 c6 22.Rd7 cb5 23.cb5 Rb2 24.Rb7 e6 25.b6 Ra8 26.Rcc7 Rf8 27.g4 e5 28.g5 e4 29.Ke4 Rf2 30.Re7 Rb2 31.h4 Rb3 32.h5 Rb5 33.hg6 hg6 34.Re5 Rb4 35.Kf3 Rb3 36.Kf4 Rb4 37.e4 Rb3 38.Ree7 Rb1 39.Ke5 Kg7 40.Kf4 Rb2 41.e5 Rb4 42.Ke3 Rb5 43.Kf4 Rb4 44.Kf3 Rb3 45.Ke4 Rb4 46.Kd5 Rb5 47.Kd4 Rb4 48.Kc5 Rb1 49.e6 Rc8 50.Kd6 Rd1 51.Ke5 Re1 52.Kf4 Rc4 53.Kg3 Re3 54.Kf2 Rb3 55.Rf7 Kg8 56.Rb8 1–0. vihavald (1655) – fafek222, kurnik, 2012.

6.Qb3 e5=+

7.d3 Nbd7!?=+.

7.d3 e4 8.de4= Ne4 9.Bg7 Kg7 10.Bd3 (better 10.Nc3!? Qf6 11.Rc1 Nc3 12.Qc3=) 10...Qf6-/+ 11.Be4 Qa1 12.Nd4 a5 13.b5 a4 (13...Nd7!?-/+) 14.Qa3=+ f5 (14...Be6 15.0-0 Bc4=) 15.Bd3?? (15.0-0 fe4 16.Nc3 Qf1 17.Kf1+/-) 15...f4-/+ 16.0-0 fe3 17.Nc3 (better 17.fe3 Rf1 18.Kf1-/+) 17...ef2-+ 18.Kh1 Qe1 19.Qb2? (better 19.Nd5 Qe5 20.Nf3 Rf3 21.gf3-+) 19...a3 20.Qc2 Qe5 (better 20...Rf4!? 21.Nf3 Rf3 22.gf3-+) 21.Nf3 Qf6 (better 21...Rf3 22.gf3 Bh3-+) 22.Nd5 Qb2 (22...Qd8 23.Qf2 Rf7 24.Re1-/+) 23.Nc7-/+ Qc2 24.Bc2 Ra5 25.Nd4? (better 25.Rf2!? Bg4 26.Be4-/+) 25...Kh6-+ 26.Nb3 (26.Nf3 g5 27.h3 Bh3 28.Rf2-+) 26...Ra4 27.Bd3 Rb4 28.Nd5 Rb3! 29.ab3 Be6 (29...Nd7 30.Nc3-+) 30.Nc3 (30.Ne3 Nd7 31.Ra1 Re8 32.Ra3 Bc4 33.Bc4 Re3-+) 30...Nd7 31.Ne4 (31.Be2 Nc5 32.Bf3 g5-+) 31...Nc5 32.Nc5 dc5 33.h3 a2 34.Kh2 (34.Ra1 Bf5 35.Bf1 Bb1-+) 34...Kg5 (34...Rd8 35.Be4 Rd4 36.Bb7-+) 35.Kg3 (35.Ra1 Bf5 36.Bf1 Bb1-+) 35...h5 (35...Bf5 36.h4 Kh6 37.Bf5 Rf5 38.Kh2-+) 36.h4 Kh6 37.Rd1 (37.Ra1 Rd8 38.Bf1 Rd2-+) 37...Bg4 (better 37...Bf5 38.Bf5 Rf5-+ (38...gf5?! 39.Kf2 Rd8 40.Ra1 Rd2 41.Kf3-+)) 38.Ra1 Bf5 39.Bf1 (39.Ra2 Bd3 40.Rf2 Rf2 41.Kf2 Bc2-+) 39...Bb1 40.Be2 (40.Kh2 g5 41.Kh3 Kg6-+) 40...b6 (better 40...f1Q!? 41.Bf1 Rf1 42.b6-+) 41.Bf1 g5 42.hg5 (42.Kh3 gh4 43.Kh4 Rf4 44.Kh3 Kg5-+) 42...Kg5 43.Kh3 h4 44.Kh2 (44.g3-+) 44...Kg4 45.Be2 Kg5 (better 45...Kf4 46.Bf1 Rd8 47.Ra2 Ba2 48.b4 Rd1 49.Be2 Re1 50.Bd3 Bb1 51.g3 hg3 52.Kg2 Bd3 53.Kh3 f1Q 54.Kh4 Qh1) 46.Bf1= Re8 (46...Re8 47.g3 Re1 48.gh4 Kh4-+) 0-1. bjoernsen (2365) - minecraft_storify (2500), Rated blitz game, lichess.org, 2021.

7.d3 Be6 8.Nbd2 Nbd7 9.Be2 Nh5 10.Rc1 f5 11.0-0 Nhf6 12.Ng5 Bf7 13.Qc2 Kh8 14.Nf7 Rf7 15.Nf3 Qf8 16.c5 dc5 17.Ne5 (17.bc5!? e4 18.Ng5+/-) 17...Ne5= 18.Be5 cb4 19.Bf3 (19.Bc7? Rc8-+) 19...c6 20.Qb3 Re8 21.d4 g5 22.g3 (22.Bd6 Qg8+=) 22...Ne4 (22...g4 23.Bg2=+) 23.Bg7 (better 23.Bh5!? Re5 24.Qf7+=) 23...Rg7= (worse 23...Kg7 24.Bh5 Nd2 25.Qf7 Qf7 26.Bf7 Kf7 27.Rfd1+=; 23...Qg7? 24.Bh5 (24.Qb4?! g4 25.Bg2 Qf6+=) 24...Ree7 25.Bf7 Qf7 26.Qb4+-) 24.Rc2 f4 25.ef4 gf4 26.Re1? (better 26.Re2 Ng5 27.Re8 Qe8 28.Bg2=+) 26...fg3-+ 27.fg3 (27.Re4?? gf2 28.Kf1 Re4 29.Rf2 Rd4-+) 27...Ng5?? (better 27...Ng3 28.Re8 Qe8-+) 28.Re8-/+ Nf3 29.Qf3 Qe8 30.Re2 Qd8 31.Qf4 a5 32.Re6 Kg8 33.Qe5 Qd7 34.Re8 Kf7 35.Rb8 a4 36.Qf4 Kg6 37.Rf8 b3?? (better 37...Qe6 38.h4 h6 39.h5 Kh7=) 38.Rf6 Kh5 39.Rh6 (39.Qh4) 1-0. bjoernsen (2445) - I_am_a_champion (2410), Rated blitz game, lichess.org, 2022.

7.d3 Nh5 8.Nbd2 f5 9.h3 f4 10.e4 g5 (10...Qe7!?=) 11.Be2 Nc6 12.b5 Nb8 13.Ne5 de5 14.Bh5 Nd7 15.Ba3 b6? (15...Rf6 16.Bg4+/-) 16.Bg4 (16.Bf8 Kf8 17.c5 Qe7+-) 16...Rf7? (better 16...Nc5 17.Bc5 bc5+-) 17.Be6 Bf8 18.Bf7 Kf7 19.c5 Kg6 (19...Kg7 20.Qd5 Rb8 21.Bb2 Bc5 22.Be5 Kf8 23.Bc3+-) 20.Qe6 (20.Qe6 Nf6 21.Qe5+-) 1-0. bjoernsen (2370) - Gooner_91 (2500), Rated blitz game, lichess.org, 2023.

7.Nc3 e4

8.Ng5 Qe7 9.d3 ed3 10.Bd3 a5 11.a3 ab4 12.ab4 (worse is 12.Qb4 Na6 13.Qb5 Bd7–/+) 12...Ra1 13.Ba1 Ng4 14.Nge4 c6 15.0-0 f5 16.Nd2 Nd7 17.h3 Nge5 18.Be2 Nf6 19.Bb2 Be6 20.Qc2 d5 21.cd5 Nd5 22.Nd5 Bd5 23.Be5 Be5 24.Bc4 Qb4 25.Bd5 cd5 26.Nf3 Bf6 27.Rb1 Qe4 28.Qa2 Rf7 29.Qa8 Kg7 30.Rb7 Rb7 31.Qb7 Kg8 32.Qa6 Kf7 33.Nd2 Qb4 34.Qa7 Ke6 35.Nf3 Qe7 36.Qa8 Qd7 37.Qb8 Qe7 38.g3 Kf7 39.h4 Kg7 40.Qb5 Qd8 41.Qc5 Qd7 42.Nd4 Bd4 43.Qd4 Kf7 44.Qh8 Ke6 45.Kg2 h5 46.Kf3 Qa4 47.Qg8+/- Kf6 48.Qd5 Qg4 49.Kg2 Qe2 50.Qg8 Qa6 51.Qf8 Ke6 52.Qg7 Qc6 53.Kh2 Kd5 54.Qe7 Kc4 55.Qd8 Kb5 56.Qd4 Ka5 57.Kg1 Ka6 58.Kf1 Kb7 59.Ke2 Kc8 60.e4! fe4 61.Ke3 Qa6 62.Qe4 Qb6 63.Qd4 Qe6 64.Kd3 Qf5 65.Kd2 Qe6 66.Qc5 Kd7 67.Kc3 Qe1 68.Kd3 Qd1 69.Ke3 Qg1 70.Kf4 Qd1 71.Kg5 Qg4 72.Kf6 Qe6 73.Kg7 Qe4 74.Qg5 1–0. Chernyshov,K (2530) – Bures,J (2390), Olomouc CZE, Valoz Cup GM, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Qb3 d6 6.e3)

8.Ng5 Bf5 9.f3 ef3 10.Nf3 Nbd7 (10...a5 11.Be2=) 11.Be2 a5 12.a3 c6 13.0-0 Ne5 14.b5 Rc8 15.Na4 (15.Nd4 Bd3+=) 15...cb5 16.Qb5 (16.cb5? Bc2 17.Qa2 Ba4–+) 16...Bd7 (16...Qd7 17.Qb3 Ne4 18.Rad1+=) 17.Qb3+= Ne4 18.Rad1 (18.Qb7? Bc6 19.Qb3 Rb8–+) 18...b5 19.Ne5 de5 (19...ba4 20.Qc2 de5 21.Qe4+=) 20.cb5+= Be6 21.Qd3 Qh4 22.Nc3 Bc4 23.Qe4 Qe4 24.Ne4 Be2 25.Bc3 (25.d4 Bd1 26.Rd1 Rfd8+=) 25...f5 (worse is 25...Bb5 26.Nf6 Bf6 27.Rf6+=) 26.Ng5 Bd1 (26...Bf6 27.Nf3+=) 27.Rd1+= Rfe8 28.Ba5 Rc2 (28...Ra8 29.Bc7 Ra3 30.Rb1+=) 29.b6 (29.Bc3 h6 30.Nf3 e4 31.Bg7 Kg7+=) 29...Rc5+= 30.Bb4 Rb5 31.d4 Bf6 32.Nf3 e4 33.Nd2 Rb6 34.Nb3 h5 35.g3 Be7 36.Nc5 Kf7 37.Kg2 Rd8 38.Rc1 Rc6 39.h4 0–1. lexherman (2345) – cyrano (2680), gameknot.com, 2016. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.Qb3 d6 6.e3 e5)

7.d3 Re8

8.Nc3 a5 9.b5 Nbd7 10.Na4 b6 11.Be2 Bb7 Black prepares e4 12.0-0 Qe7 13.Rfe1 h6 14.d4 e4 15.Nd2 Nh7 16.Rac1 White prepares the advance c5 16...Kh8 17.c5 dc5 18.dc5 bc5 19.Bg7 Kg7 20.Qc3 Qe5 21.Nc5 Nc5 22.Qc5 Nf6? (better 22...Qc5!? 23.Rc5 Re7+/-) 23.Qe5+- Re5 24.Rc7 Bd5 25.a4 Be6 (25...Ree8 26.Rec1+-) 26.Nc4 Rf5 27.h3 (better 27.g4!? Ng4 28.Nd6 Rd5 29.Ne4 Nf6 30.Nf6 Kf6+-) 27...Nd5 28.Rc6 h5 (28...Nb4!? 29.Nb6 Rd8+-) 29.Nd6+- Rg5 (29...Re5+-) 30.Ne4 Re5 31.Nc3 Nb4 32.Rc7 Rd8 33.Bc4 Bc4 34.Rc4 Rd2 35.Re2 Rd3 36.b6?? (better 36.Rb2+-) 36...Re6+/- 37.b7 Rb6 38.Rc7 Na6 39.Re7?? (better 39.Rc8+/-) 39...Rc3-+ 40.Rd2 Nc5 41.Rd5 Rb7 42.Ree5? (42.Rb7 Nb7 43.Rb5-+) 42...Nd3 (42...Na4?! 43.Ra5 Rc1 44.Kh2-+) 43.Re4 Rb1 (43...f5 44.Re8 Rb1 45.Kh2 Nf2 46.Rd4-+) 44.Kh2 Nf2 45.Rf4 Rh1 46.Kg3 Nd1 47.Rd7 Re3 48.Kh4 (48.Rf3 Rf3 49.gf3 Ne3-+) 48…Kh6 (48...Kh6 49.Rd5 Rg1-+) 0-1. bjoernsen (2430) - ngth (2420), Rated blitz game, lichess.org, 2021.

8.Nbd2 c6 9.Be2 Nbd7 10.Rc1 d5 11.0-0 Qe7 12.Ba3 dc4 13.Nc4 Nb6 (13...e4 14.de4 Ne4 15.Rfd1+=) 14.Nce5 Be6 15.Qc2 Nfd5 16.Rb1 a5 17.d4 (better 17.ba5 Qa3 18.ab6+=) 17...ab4-/+ 18.Bc1 Nc3 19.Rb2 (better 19.Ra1!?-/+) 19...Nba4-+ (19...Na2?! 20.Bd2-/+; 19...Ra2?! 20.Ra2 Ba2 21.Bb2 Ne2 22.Qe2-/+) 20.Bc4 (20.Rb3 f6 21.Nd3 Ne2 22.Qe2 Bb3 23.ab3 Nc3-+) 20...Nb2 21.Bb2 Bc4 22.Nc4 Ra2 23.Qb3 Rea8 24.Bc3 bc3 25.Qc3 c5 26.h3 cd4 27.Nd4 (better 27.ed4 Qc7 28.Qb3-+) 27...Qc5 28.Rc1 (28.Qb3 Bd4 29.ed4 Qd4 30.Ne3-+) 28…b5 0-1. bjoernsen (2405) - Rimigug (2555), Rated blitz game, lichess.org, 2021.

7.d4 ed4

8.ed4 Re8 9.Be2 Bg4 10.Nbd2 (10.h3 Qe7 11.0-0 Qe2 12.hg4 Ng4 13.Nbd2=) 10...Qe7 (10...Nh5 11.g3 Nc6=+) 11.Qd3?? (better 11.0-0=) 11...Bf5 12.Qe3 Qe3 13.fe3 Re3 14.Kf2 (14.Nf1 Re7 15.Ng3 Bd3-+) 14...Re7 (14...Ng4 15.Kf1 Re7 16.Nh4 Ne3 17.Kf2-+) 15.h3-/+ Nbd7 16.g4 Ne4 17.Kf1? (better 17.Ne4 Be4 18.Rae1-/+) 17...Ng3-+ 18.Kf2 Nh1 (18...Ne2?! 19.gf5 Nf4 20.Kg3-+; 18...Re2?! 19.Kg3 Bd3 20.Rhe1-/+) 19.Rh1 Be4 (19...Rae8 20.Re1 Be6 21.Ng5-+) 20.Rf1 (20.Ne4 Re4 21.Bd3 Re6-+) 20...Bf3 (20...d5 21.g5-+) 21.Bf3 c6 22.Ne4 d5 23.Nd2 (23.cd5 cd5 24.Nc5 Nb6-+) 23...dc4 (23...Bh6 24.Bc3 Nb6 25.cd5 Nd5 26.Bd5 cd5 27.b5-+) 24.Nc4 Rae8 (24...Nb6 25.Rc1-+) 25.Nd6 Rb8 26.d5?? (26.Rd1-+) 26...Bb2 27.dc6 (27.Rd1 Ne5 28.Ne4 Nf3 29.Kf3 cd5 30.Rd5 Rbe8-+) 27...bc6 28.Bc6 Ne5 29.Bd5 (29.Bg2 Nd3 30.Kg1 Rb4-+) 29…Rd8 0-1. ClayPigeons (2150) - FuriousTiger (2330), Rated Bullet game, lichess.org, 2019.

8.Nd4 c5 9.Nc2 (9.bc5 dc5 10.Nf3 Nc6+=) 9...Nc6 (9...a5 10.b5+=) 10.Bd3 (10.Nd2 Qb6+=) 10...cb4 11.Nb4 Qa5 12.a3 Qg5 13.Kf1 (13.Bf1 a5 14.h4 Qf5+=) 13...Na5 14.Qd1 (14.Qc2 b6 15.h4 Qg4+=) 14...Bg4 15.f3 (better is 15.Qa4!?+=) 15...Be6 16.Qe2 Nb3 17.Ra2 Rac8 18.Bf6 (18.h4 Qc5 19.Kf2 Rfe8–/+) 18...Bf6 19.Rc2 a5 20.f4 (20.Na2 Qh4–+) 20...Qh4 (20...Qc5!? 21.Na2 Bd4 22.ed4 Nd4 23.Qd1 Nc2 24.Qc2–+) 21.Nd5–/+ Bd5 22.cd5 Rce8 23.Qf2? (better is 23.g3 Qh3 24.Qg2–/+) 23...Qh5–+ 24.Qe2 Qe2?? (better is 24...Re3! 25.Qh5 gh5–+) 25.Re2+= Nc1 26.Bb5 Rc8 27.Re1 Rc5 28.a4 Nb3 29.Kf2 Rfc8 (29...Rd5? 30.Bc4 Rc5 31.Bb3+–) 30.Rd1 Rc2 31.Kf3 Rb2 32.Na3 Nd2 33.Rd2= Rd2 34.Nc4 Rc2 35.Nd6 Rd8 36.Ne4 Be7 37.Rd1 f5 38.Nf2 Bc5 39.Rd3 Kf7 40.Nh3 h6–/+ 41.Ng1 Kf6 42.h4 Bb4 43.Ne2 Rd2 44.Rd2 Bd2 45.e4 fe4 46.Ke4 h5 47.Nd4 Bb4 48.f5 gf5–/+ 49.Nf5 Bc5 50.Ng3 Kg6 51.Ne2 Bd6+= 52.Nd4 Rf8–/+ 53.Bd7? Rf4–+ 54.Kd3 Kf6 55.g3 Rf1 56.g4 hg4 57.Bg4 Rf4 58.Bc8 Ke5 59.Nb5?! Ra4 60.Bb7 Rh4 61.Nd6 Kd6 62.Kc3 Rb4 63.Bc6 Kc5 64.Kc2??a4 65.Be8 a3 66.d6 a2 (66...a2 67.d7 a1Q 68.d8Q Rb2 69.Kd3 Qf1 70.Kc3 Qc1 71.Kd3 Qc2 72.Ke3 Qf2 73.Ke4 Re2 74.Kd3 Qe3) 0–1. Seres,Bela (2300) – Bors,Tamas (2250), HUN–chT2, 2002. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.Qb3 e5)

7.d4 e4

8.Nfd2 Nbd7 9.Nc3 Re8 10.Be2 h5 11.h3 Nf8 12.Qc2 Pawn e4, live or die! 12...Qe7 13.d5 N8h7 14.Nb3 h4 15.Nd4 a5 16.a3 ab4 17.ab4 Ra1 18.Ba1 Ng5 19.Bb2 Bd7 20.Kd2 Ra8 21.Ra1 Ra1 22.Ba1 Qe5 23.Bf1 (23.Qa2!?+=) 23...Qh2 24.Qd1 Bh3?? (better 24...c6=) 25.gh3+/- Qf2 26.Qe2 Qg3 27.Qg2 Qe5? (27...Nf3!? 28.Kc1 Qe1 29.Nd1 Nd4 30.Bd4 Nh5 31.Bg7 Ng7=) 28.Kc2 (better 28.Kd1!?+-) 28...Nh5+/- 29.Nb3 Ng3 30.Ne2 Nf1 31.Qf1 Qe7 32.Bg7 Kg7 33.Qg2 Nf3 34.Nbd4?? (better 34.Kd1+=) 34...c5 (better 34...Ne1 35.Kd2 Ng2-+) 35.Nf3+- ef3 36.Qf3 cb4 37.Qf4 (37.Kb3 Qg5+-) 37...Kg8 38.Nd4 Qd7 (38...g5 39.Qf3+-) 39.Nb5 (39.Qh4 Qa4 40.Kd2 Qa2 41.Kd3 b3 42.Qd8 Kg7+=) 39...Qh3 40.Nd6 Qg2? (40...f5 41.Kb3 Qg3+-) 41.Kb3 h3 (41...Qg3 42.Qf7 Kh8 43.Qf6 Kh7 44.Kb4 Qe3 45.Qh4 Kg7+-) 42.Qf7 Kh8 43.Ne8 (43.Ne8 Qc2 44.Kc2 b3 45.Kb3 h2 46.Qg7; 43.Kb4 Qb2 44.Kc5 Qa3 45.Kd4 Qa1 46.Kd3 h2+-) 1-0. bjoernsen (2435) - Pampen (2420), Rated blitz game, lichess.org, 2021.

8.Nfd2 Nbd7 9.Nc3 Re8 10.Be2 h5 11.h3 Nf8 12.Qc2 The pressure on e4 grows 12...Bf5 13.Rc1 h4 14.Nd5 N8h7 15.Nb3 Ng5 (15...Nd5 16.cd5 Qg5 17.g3=) 16.Na5 Qc8 17.Nf6 Bf6 18.d5 Bb2 (18...Nf3! 19.Kd1 Ne5=) 19.Qb2+/- b6 20.Nc6 Bd7 21.Qf6 Bc6 22.Qg5 (22.dc6?! Re5=) 22...Bd7 23.Qh4 Re5 (23...Qa6 24.Rc2 Qa4 25.Rb2=) 24.Qf6 (better 24.a3!?+-) 24...Qa6+= 25.Rc2 (25.Ra1!? Qa3 26.0-0 Qb4 27.Rfd1+=) 25...Qa4= 26.Bd1 (better 26.Rd2!? Qb4 27.h4=+) 26...Qb4-/+ 27.Kf1? (better 27.Rd2 b5 28.cb5 Rd5 29.Qb2 Rb5 30.Qd4-/+) 27...Ba4-+ 28.Rc1?? (28.Kg1-+) 28…Qd2 (28...Qd2 29.Ra1 Qb2-+) 0-1. bjoernsen (2405) - BEELVA63 (2450), Rated blitz game, lichess.org, 2022.

8.Nfd2 Re8 9.Nc3 Bf5 10.Be2 h5 11.b5 (11.0-0 a6=) 11...Nbd7 12.a4 (12.0-0 c5 13.bc6 bc6=) 12...Nf8 (12...c5 13.bc6 bc6 14.0-0=) 13.a5 (13.0-0 h4=) 13...a6 (13...c5 14.bc6 bc6 15.Qa3+=) 14.0-0 N8h7 (14...Ne6 15.h3=) 15.Ra3 (15.b6 cb6 16.ab6 Rc8+=) 15...h4 (better is 15...Ng5=) 16.Nd1 (better is 16.f4!?=) 16...h3 17.g3 (17.f4!?+=) 17...Ng5–/+ 18.Qb4 Bg4 19.Nc3 Qd7 (19...Rb8 20.Rb3 ab5 21.cb5–/+) 20.Qb3 (20.ba6!? ba6 21.Rb3–/+) 20...Qf5–+ 21.Qd1 Be2 22.Qe2 ab5 23.cb5 d5 24.Rfa1 Re6 25.Na2 Ng4 26.Bc3? Rf6 27.Rf1 Qd7 28.Bb4–/+ Bh6 29.Nc3+= Nf3 30.Nf3–/+ Rf3 31.Nb1 Kh7 32.Nd2 Rf6–/+ 33.Raa1 Rf2!–+ 34.Rf2 Be3 35.Raf1 Re8?? 36.Qe3!+– f5 37.Qe2 e3? 38.Rf4 ed2 39.Qg4! fg4 40.Rf7 Qf7 41.Rf7 Kg8 42.Rf1 Re2 43.a6?? ba6? 44.ba6 Rg2 45.Kh1+– d1Q 46.Rd1 Ra2 47.Kg1 Rg2 48.Kh1 Ra2 49.Kg1 Rg2 ½–½. Sass,Andreas – Kristensen,Bjarke (2470), Wichern op Hamburg, 1993.

6.b5 a6

7.a4 c6 8.Be2 Qb6 (8...e5 9.0-0=) 9.Nc3 (9.a5 Qd8 10.b6 d5+=) 9...ab5 (9...e5 10.d4=) 10.ab5 Ra1 11.Ba1 (11.Qa1 Bg4=) 11...Bd7 (11...e5 12.d4+=) 12.0-0 cb5 (12...Rc8 13.Qb3+=) 13.cb5 (13.Nb5 Na6+=) 13...Be6 (13...Rc8 14.e4=) 14.d4+= Nbd7 15.Qa4 (15.e4 Rc8+=) 15...Nd5 (15...Bf5 16.Rc1+=) 16.Bb2 (16.Ng5 Nc3 17.Bc3 Bd5+=) 16...Nc3 17.Bc3 Bd5 (17...Rc8 18.Rc1=) 18.Nd2 Qc7 (18...Nf6 19.Rc1+=) 19.Bb2 (19.Rc1 f5+=) 19...Nb6= 20.Qb4 Ra8 21.Rc1 Qd7 (21...Qd8 22.Bd1=) 22.e4 Ba2 (22...Ra4 23.Qc3 Be6 24.Qe3=) 23.Ra1 (23.Qc3 Ra4 24.Qe3 d5=) 23...Qc7 (23...h6 24.Bc3+=) 24.Rc1 (24.h3 d5=) 24...Qd7 25.d5?? (better is 25.Qc3 Ra4 26.Qe3+=) 25...Bb2?? (better is 25...Ra4 26.Qa4 Na4 27.Bg7 Kg7–+) 26.Qb2+– e6 (26...Nd5 27.ed5 Bd5+–) 27.Ra1 1–0. GuestWTNH – GuestCFZL, freechess.org, 2018.

7.Nc3 ab5 8.cb5 c6 9.a4 c5 10.Be2 b6 11.0-0 Bb7 12.d4 Nbd7 13.Re1 Qc7 14.Rc1 Rfc8 15.h3 Qd8 16.Bf1 cd4 17.Nd4 (worse 17.Qd4 Ne4 18.Qb4 Bc3 19.Bc3 Nc3 20.Rc3 Rc3 21.Qc3 Bf3 22.gf3 Ra4-/+; 17.ed4?! Nd5=) 17...Nc5 18.Ra1 e5 19.Nf3 Qe7 20.Ng5 (20.Bc4 Rd8=+) 20...h6 21.Nf3 Rd8 22.Qd2? (better 22.Nd2=+) 22...Nb3 23.Qc2 Na1 24.Ra1 d5 25.Ne2 Rac8 (25...Ne4 26.Ba3 Qe6 27.Rc1-+) 26.Qd2 d4! 27.ed4 Bf3 28.gf3 ed4 29.Nd4 Nh5 30.Rd1 (30.Re1 Qg5 31.Qg5 hg5-+) 30...Qh4 31.Kh2 (31.Qe3-+) 31...Bd4 32.Bd4 Rd5 (better 32...Ng7 33.Qd3 Nf5-+) 33.Qe3 Rcd8 34.Bc4 (34.f4-+) 34...Rd4 35.Rd4 Qd4 36.Qe2 (36.Bf1 Qf4 37.Qf4 Nf4-+) 36...Qd2 (better 36...Qf4 37.Kh1 Rc8 38.Bf7 Kf7 39.Qa2 Kg7-+) 37.Qe7 (37.Qe3 Qd6 38.Kg1 Qf6-+) 37...Qf4 (37...Qf2 38.Kh1 Ng3) 38.Kg2-+ Rd1 (better 38...Rd2 39.Bf7 Qf7 40.Qe3 Nf4 41.Kh2-+) 39.Qe8 (39.Be2 Re1 40.Qd8 Kg7-+) 39...Kg7 40.Bf7 (40.Qf7 Qf7 41.Bf7 Kf7-+) 40...Qf7 (40...Qg5 41.Kh2 Qg1) 41.Qe2 (41.Qf7 Kf7 42.Kh2 Rd4-+) 41...Rd7 (41...Nf4 42.Kg3 Ne2 43.Kg2 Rg1 44.Kh2 Qf4) 42.Kh2 (42.Qe4-+) 42...Re7 43.Qe7 Qe7 44.h4 (44.h4 Qe1 45.Kg2 Nf4 46.Kg3 Ne2 47.Kh3 Qh1 48.Kg4 Qg2; 44.Kg1 Qe1 45.Kg2 Nf4 46.Kg3 Ne2 47.Kg4 Qb4 48.f4 Qf4). Poncheki (2340) - moja (2555), Casual bullet game, lichess.org, 2023.

7.a4 ab5

8.ab5 Ra1 9.Ba1 c6 10.Be2 Nbd7 11.0-0 e5 (11...cb5 12.cb5 Nb6 13.Bf6 Bf6 14.Nc3=) 12.h3 (12.d4 cb5 13.cb5 Qe7=) 12...Qb6 (12...Qe7 13.d4=) 13.Nc3 d5 (13...e4 14.Nd4=) 14.Qb3 (14.d4 ed4 15.Na4 Qa5+=) 14...d4 (14...e4!? 15.Ne1 Nc5=) 15.Na4 (15.ed4 ed4 16.Na4 Qc7 17.Bd4 Re8+–) 15...Qd8 (15...Qa5 16.ed4 e4 17.Bc3+=) 16.ed4+– e4 17.Ne5 Ne5 18.de5 Nd7 19.f4 (19.Nc3 Qh4 20.Qb1 f5 21.ef6 Nf6+–) 19...ef3+= 20.Bf3 (20.Qf3 Ne5 21.Qf4 g5=) 20...Ne5= 21.Be5 Be5 22.bc6 bc6 23.Bc6 Qd2 24.Bd5 (24.c5 Be6 25.Qf3 Rd8–/+) 24...Bf5 (24...Bd7 25.Nb6 Bh3=) 25.c5?? (better 25.Kh1=) 25...Rb8 (25...Bc2 26.Qf3 Ba4 27.Kh1–+) 26.Bf7 (26.Rd1 Qc2 (26...Rb3?! 27.Rd2 Ra3 28.g4–/+) 27.Bf7 Kg7 28.Qc2 Bc2–+) 26...Kg7 27.Qd5 (27.Qf3 Kf7 28.Kh1–+) 27...Qe3 28.Kh1 Qg3 29.Kg1 Rf8 30.Be6 (30.Rf5 gf5 31.Qd2 Rf7 32.c6–+) 30…Qh2 (30...Qh2 31.Kf2 Be6 32.Ke2 Bd5 33.Rf8 Bc4 34.Kd2 Qg2 35.Kc1 Bb3 36.Rg8 Kg8 37.c6 Qc2) 0–1. RichardSommer (2130) – Kowiss (2160), lichess.org, 2020.

8.ab5 Ra1 9.Ba1 d5 10.Be2 dc4 11.Bc4 c6 12.0-0 cb5 13.Bb5 Nc6 14.d4 Bg4 15.Nbd2 Qa5 16.Qe2 Ra8 17.Bc4 e6 18.h3 Bf3 19.Nf3 Qb4 20.Bb2 Na5 (20...Nd5 21.Rc1+=) 21.Ra1 Rc8 22.Bb5 Nc4 23.Bc4 Qc4?? (better is 23...Rc4 24.Ra8 Bf8+/-) 24.Qc4+– Rc4 25.Ra8 Bf8 26.Ba3 Nd7 27.Ne5 Ne5 28.de5 b5 (28...h6 29.Kf1+–) 29.Bf8 h5 30.Rb8 Rc1 31.Kh2 Rb1 32.Bb4 Kg7 (32...Kh7 33.Rb5 g5 34.f4+–) 33.Rb5 (33.Rb5 Kh7 34.Rb7+–) 1–0. DEFFM – GuestCKRQ, freechess.org, 2017.

8.cb5 c6 9.Nc3 Bd7 10.Qb3 cb5 11.ab5 Ra1 12.Ba1 Qa5 13.Bb2 Bg4 14.Be2 Rc8 15.h3 Bf5 16.0-0 Nbd7 17.d4 Qb6 18.Ra1 Be6 19.Qb4 Nd5 20.Nd5 Bd5 21.Nd2 Rc2 22.Ra8 Bf8 23.Bf3 Nf6 24.Ba3 Bf3 25.Nf3 Nd5 26.Qb3 Ne3 27.fe3 Qc7 28.Bb4 Qc4 29.Qc4 Rc4 30.Be1 Rc1 31.Kh2 Rb1 32.Bf2 Rb5 0–1. Abdullaevich (1905) – ChivathGunaratne (1820), lichess.org, 2020.

6.b5 c5

7.Be2 b6 8.d3 Bb7 9.Nbd2 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Nbd7 13.0-0 Ne5 (better is 13...Qc7=) 14.Ne5+/- de5 15.Be5 Ba8 (15...Qd7 16.d4 Ra8 17.Qb2+/-) 16.Nf3 (16.Qa7!? Ne8 17.Bb8 e6+–) 16...Qd7 (16...Bf3 17.gf3 Ne8 18.Rd1+/-) 17.Rd1 Bb7 18.Qa7?? (better is 18.d4 Ra8 19.Qb2+–) 18...Ng4?? (better is 18...Bf3 19.Qd7 Nd7 20.Bf3 Ne5–+) 19.Bg7+– Kg7 20.Qb6 Qc8 (20...Bf3 21.Bf3 Ne5 22.Qc5 Nf3 23.gf3+–) 21.d4 1–0. GuestXCCC – GuestDTTV, freechess.org, 2017.

7.Be2 e6 8.0-0 b6 (8...a6 9.Nc3=) 9.Qc2 (9.d4 a6=) 9...Bb7 (9...a6 10.Nc3=) 10.d4 (10.Nc3=) 10...d5 (10...cd4!? 11.Bd4 a6=) 11.dc5+/- bc5 12.Nbd2 (12.cd5 Qd5 13.Rd1 Qf5 14.Qf5 gf5+=) 12...Re8 (12...Qe7 13.Rfd1+=) 13.cd5+/- ed5 (13...Qd5!? 14.Rfd1 Qf5 15.Qf5 gf5+/-) 14.Qc5+– Nbd7 15.Qb4 Bf8 (15...a6 16.a4+–) 16.Qd4 Bg7 17.Rac1 (17.Rfc1 Qe7 18.Qh4 Rac8+–) 17...Qe7 (17...a6 18.a4+–) 18.Rc7 Bc8 (18...Nh5 19.Qa4 (19.Rb7?! Bd4 20.Bd4 Reb8 21.Ra7 Ra7 22.Ba7 Ra8+=) 19...Qd8 20.Rc2+– (20.Rb7?! Nc5 21.Qc2 Nb7+=)) 19.Rfc1 Nh5 (19...a6+–) 20.Qd5 Bb2 21.R1c2 Be5 (21...Rb8 22.Rb2 Nf4 23.ef4 Qe2+–) 22.Ne5 Qe5 23.Qa8 (23.Rd7?! Bd7 24.Qd7 Re7+=) 23...Qd4 (23...Nb6 24.Qa7 Bf5 25.Qb6 Bc2 26.Rc2 Ng7+–) 24.ed4 (24.ed4 Nb6 25.Rc8+–) 1–0. DEFFM – GuestSKZQ, freechess.org, 2018.

7.Be2 Bf5 8.0-0 Nbd7 9.d4 Nb6 (9...a6 10.Nh4 Bb1 11.Qb1 ab5 12.cb5+=) 10.a4 Qc8 (10...d5!? 11.Nbd2 Nc4 12.Nc4 dc4 13.Bc4 Ne4=) 11.a5+= Nbd7 12.Nh4 Bb1 13.Rb1 (13.Qb1 a6+=) 13...cd4 14.ed4 Re8 15.Bf3 Rb8 16.Qc2 e5 17.Ba3 Bf8 18.Bb2 (18.Qc3 Qc7=) 18...e4 (18...Qc7 19.Ra1=) 19.Be2 b6 (19...Bh6 20.Bc1 Bc1 21.Rfc1=) 20.a6 (20.Qb3 Qb7+=) 20...Qd8 (20...Qc7 21.g3+=) 21.g3+= Rc8 22.Ng2 Nd5 (22...Bg7 23.Ne3+=) 23.Qb3+/- Ne7 24.Ne3 Nf6 (24...Bh6 25.Rbd1+=) 25.Rfd1 (25.c5 d5+/-) 25...Kg7 (25...Nd7 26.Rbc1 Nf5 27.Nf5 gf5 28.Rc2+/-) 26.d5+– Neg8 27.g4 (27.f3 ef3 28.Bf3 h5+/-) 27...h6+/- 28.h4 Kh7 29.Ng2 (29.h5 Bg7 30.Qa3 gh5+/-) 29...Bg7 (29...Nd7 30.Qg3+=) 30.Qg3 Qe7 (30...e3 31.f3 Qc7+/-) 31.Re1 (31.Ba3 Red8+/-) 31...Qc7 (31...Nd7 32.Bg7 Kg7 33.g5=) 32.Ne3 (32.Ba3!? Re5 33.Bc1+/-) 32...Nd7+= 33.Bg7 (33.Ba3 Be5 34.Qh3 Nc5=) 33...Kg7= 34.h5 (34.g5=) 34...Ne5 (34...Re5 35.hg6 fg6 36.Nc2=) 35.g5 (35.Qf4!?+=) 35...hg5 36.Qg5 Qe7?? (better is 36...Nh6=) 37.Nf5+– Kf8 38.Ne7 Ne7 (38...Re7 39.Rb3+–) 39.Qh6 (39.Qf6!? Ng8 40.Qd6 Kg7 41.hg6 fg6+–) 39...Kg8 40.hg6 N7g6 (40...fg6 41.Qf4+–) 41.Rb3 f5 (41...Rc7+–) 42.Bh5 Kf7 43.Bg6 Ng6 44.Rg3 Rg8 45.Kf1 (45.Qh5 Ke7 46.Qf5 Rc7 47.Re4 Kd8 48.Rg6 Rcg7 49.Qf6 Kc8 50.Rg7 Rd8 51.Qf7 Rd7 52.Qd7 Kb8 53.Re8) 45...Rc4 46.Rc1 Rc1 47.Qc1 Rh8 48.Qc7 Ne7 49.Qa7 (49.Qa7 f4 50.Rg4+–) 1–0. Bouvier,Clement (1770) – Couronne,Patrice (1765), 8e Tournoi d'Automne – Tournoi B, 2009.

7.Be2 a6

8.a4 ab5 9.ab5 Ra1 10.Ba1 Qa5 11.Bc3 Qa2 12.0-0 Bf5 13.d3 Qa8 (13...d5 14.cd5 Nd5 15.Bg7 Kg7 16.Nfd2+=) 14.Qc2 b6 15.Nbd2 Nbd7 16.h3 Re8 (16...Qb7 17.e4 Be6 18.Ng5+–) 17.g4 Be6 18.d4 (18.Ng5 Nf8 19.Ne6 Ne6 20.f4+–) 18...h5 (better 18...cd4!? 19.Nd4 Nc5+=) 19.Ra1+– Qb7 20.d5 Bd5 21.cd5 Qd5? (21...hg4!? 22.hg4 Nd5 23.Bg7 Kg7 24.Qb2 Kg8+–) 22.Bc4 (better 22.g5!? Qe6 23.gf6 Bf6+–) 22...Qb7 23.Bf7! Kf7 24.Ng5 Kg8 25.Ne6 hg4?? (better 25...Qd5 26.Nc7 Qf7 27.Ne8 Qe8+–) 26.Qg6 Nh5 27.Bg7 gh3 (27...Qg2 28.Kg2 gh3 29.Kh3 Nf4 30.ef4 Nf8 31.Bf8 Kh8 32.Qg7) 28.Bb2 Ng7 29.Qg7 1–0. DEFFM – GuestCFPV, freechess.org, 2019.

8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0-0 b6 12.Qc2 Bb7 13.d3 Qa8 (13...Qc7 14.Bb2=) 14.Bb2+= d5 15.Nbd2 Qb8 16.Rc1 (16.cd5 Bd5 17.Ra1 Rd8+=) 16...Qc7 (16...Qd6 17.Ra1=) 17.Ra1 (17.cd5 Nd5 18.Bg7 Kg7+=) 17...Ra8 18.Ra8 Ba8 19.h3 (19.cd5 Bd5 20.e4 Bb7=) 19...h6 20.Qc3 (20.cd5 Bd5 21.e4 Bb7+=) 20...Ne8 (20...Bb7 21.cd5 Bd5 22.e4=) 21.Qa3+= Bb2 (21...Bb7!?+=) 22.Qa8+/- (22.Qb2?! dc4 23.dc4 e5+=) 22...dc4?? (better is 22...Nb8 23.Qd5 Nf6+/-) 23.Qe8+– Nf8 (23...Kg7 24.Nc4 Bf6 25.d4+–) 24.Nc4 (worse is 24.dc4 Kg7+–) 24...Bg7 (24...Bc3 25.Qc6 Qa7 26.Nb6+–) 25.Qc6 Qa7 (25...Ne6 26.Nb6 Qc6 27.bc6+–) 26.Nb6 Qa1 (26...Qa3 27.Nc4 Qb4 28.b6+–) 27.Bf1 Ne6 (27...e6 28.Qe8 f6 29.Nd7+–) 28.Nd5 (28.Nd5 Kh7 29.Qe8+–) 1–0. DEFFM – GuestVYBV, freechess.org, 2018.

8.a4 Nbd7 9.Nc3 b6 10.0-0 Bb7 11.d3 Re8 12.Qd2 ab5 13.ab5 Qc7 14.e4 h5 (14...e6 15.Qf4+=) 15.h3 Kh7 16.Rfe1 Bh6 17.Ng5 Kh8 1–0. GuestSBKR – GuestPYVJ, freechess.org, 2018.

6.b5 c6

7.a4 d5 8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Bd7 13.Qa4 Na6 (13...Bf5 14.Qh4+=) 14.Bd4 Nc7 Exerts pressure on the isolated pawn 15.Bb6 Qb8 16.Qb4 Re8 17.Rc1 Ne6 18.Nc3 Rc8 (better is 18...Nf8!?+=) 19.Qe7+– Ne4?? (better is 19...Re8 20.Qb4 Bf8+–) 20.Qd7 Nc3 (20...Bc3 21.dc3 Nf8 22.Qe7 (worse is 22.Qd5 Nc3 23.Rc3 Rc3+–) 22...Rc3 23.Rc3 Nc3 24.Ng5 Ne2 25.Kf1 Qe8 26.Qe8 Ng3 27.hg3 Kg7 28.Qf7 Kh6 29.Qf6 Kh5 30.Nf7 d4 31.Qf3) 21.dc3 (21.Rc3?! Bc3 22.dc3 Rc3+–) 21...Qa8 22.Qd5 Rc3 23.Rc3 Qa1 (23...Bc3 24.Bc4+–) 24.Bf1 Qc3 25.Qb7 Bf6 26.Qa8 Kg7 27.Bd4! Nd4 (27...Nd4 28.ed4 Passed pawn; 27...Bd4 28.ed4 Passed pawn) 28.ed4 h5 (28...Bd4 29.Nd4 Qd4+–) 29.b6 (29.b6 Be7 30.Qd5+–) 1–0. GuestSBKR – GuestPYVJ, freechess.org, 2018.

7.a4 Bd7 8.d4 a6 9.Nc3 ab5 10.ab5 cb5?? (better is 10...Ra1 11.Qa1 cb5 12.Nb5 Bb5 13.cb5 d5+=) 11.Ra8+– bc4 12.Bc4 Qb6 13.Qb3 (13.Qe2 Bg4+–) 13...Qb3 14.Bb3 Bg4 (14...Nc6 15.Rf8 Kf8 16.Kd2+–) 15.0-0 (better is 15.Ng5!? e6 16.h3 h6+–) 15...Bf3 16.gf3 Na6 (16...Nc6 17.Rfa1+–) 17.Rf8 (17.Ra7 Rb8+–) 17...Bf8 18.Nd5 (18.Ra1 e6+–) 18...Nd7 (18...Kg7 19.Nf6 Kf6 20.Bc4+–) 19.Rc1 (19.Rb1 Kg7+–) 19...e6 (19...h6 20.Ba4 Ndb8 21.Rc8+–) 20.Nf4 (better is 20.Ba4!? Ndb8 21.Nf6 Kg7 22.Ne8 Kg8+–) 20...d5 21.Rc8 (21.e4 Bd6 22.Nd3 Nb6+–) 21...Nb6 22.Rd8 (22.Re8 Kg7+–) 22...Kg7 23.Rf8! Kf8 24.Ba3 Kg7 25.e4 Nc4 26.Be7 (26.Bc1 Na5 27.Ba2 Kf6+–) 26...Nc7 (26...Nd2 27.Bd1 de4 28.fe4 Ne4 29.Bf3+–) 27.ed5 (better is 27.Ba2!? b5+–) 27...ed5 28.Bb4 (28.Bd8 Ne6 29.Nd5 Nd8 30.Bc4 Nc6+–) 28...b5+/- 29.Kf1 g5 (29...h6 30.Ke2+/-) 30.Nh5+– Kg6 31.Ng3 Ne6 32.Bc2 Kg7 (32...Kh6+–) 33.Nf5 Kg8 (33...Kh8+–) 34.Nd6?? (better is 34.Ne7 Kg7 35.Nd5+–) 34...Nd4+= 35.Bd3 Nf3 36.Kg2 (36.Be2 Nd4 37.Ne8 Nc6 38.Nf6 Kg7 39.Nd5 Nb4 40.Nb4 h6+/-) 36...Nfe5 37.Be2 (37.Bf5 Nc6 38.Nc4 bc4+= (worse is 38...Nb4 39.Nd6+/-)) 37...Nc6+/- 38.Bc5 N6e5? (better is 38...Nd6 39.Bd6 Nd4+/-) 39.Bf3?? (better is 39.Nb5 Ng6 40.Bc4 dc4 41.Na3+–) 39...Nf3 (better is 39...Nd3!? 40.Nc4 dc4+= (worse is 40...Nc5 41.Nd6+/-)) 40.Kf3= f6? (better is 40...Nd6 41.Bd6 f5=) 41.Nc4?? (better is 41.Nb5 Kf7 42.Nc7+–) 41...dc4 (41...bc4!? 42.Kg4 Kf7+=) 42.Ke3= Kf7 43.Bb4 Ke6 44.f4 (44.Kd4 f5=) 44...gf4 (44...h6!?–/+) 45.Kf4= f5 (45...Kd5 46.Bc3+=) 46.Bc3 h6 47.Bb4 (47.h4 h5=) 47...h5 48.Bc3 h4 (better is 48...Kd5!? 49.Kf5 Kc5=) 49.h3+/- Kd5 50.Kf5 Kc5 51.Kg4?? (51.Ke4 b4 52.Bf6+/-) 51...b4–+ (51...b4 52.Bh8 c3–+) 0–1. GuestNMMY – startagain, freechess.org, 2017.

7.a4 e5 8.d4=.

7.a4 Bg4 8.Be2 d5 (8...e5 9.d3=) 9.0-0 dc4 (9...Bf3 10.Bf3 dc4 11.Qc1=) 10.Bc4 cb5 (10...Nbd7 11.d4=) 11.ab5 a6 (11...Nbd7 12.d4=) 12.d4+= Ne4 (12...Qb6 13.Qe2+=) 13.Nbd2 (13.Qe2 Qd6+=) 13...Nd2= 14.Qd2 (14.Nd2?? Bd1 15.Rfd1 Qd7–+) 14...Bf3 15.gf3 a5 (15...e5 16.d5=) 16.Qc2 (16.Rfd1 Nd7=) 16...b6 (16...Nd7 17.Qe4+=) 17.Qb3 (17.Rfc1 e6+=) 17...e6= 18.Ba3 (18.f4 Qh4=) 18...Re8 (18...a4 19.Qc2 Qg5 20.Kh1=) 19.Rac1 (19.f4 Nd7=) 19...Nd7 20.Kh1 (20.Rfd1 Qg5 21.Kh1 Qh5=) 20...h6 (20...a4 21.Qc2=) 21.Rg1 (21.Bd3 Qh4=) 21...Kh7 (21...Qf6 22.f4=) 22.Bd3 (22.Qa4 Qh4 23.Rc2 Qh5=) 22...Rc8 (22...Ra7 23.Rc6=) 23.Rc8+= Qc8 24.Qb1 (24.Be4 Qd8=) 24...f5 (24...Rg8 25.Be4=) 25.e4 (25.Qa2 Nf6=) 25...Nf6 (25...Nb8 26.Qa1=) 26.ef5 (26.Bb2!?=) 26...ef5+= 27.Bd6 (27.Qb3 Qb7 28.Bc4 a4–/+) 27...Qe6 (27...Nd5 28.Qb3 Qe6 29.Bg3–/+) 28.Be5 Nh5 (better is 28...Qd5 29.Rg2 Qf3–+) 29.f4? (better is 29.Bg7 Ng7 30.Qc1–/+) 29...Be5 (29...Qd5 30.Rg2 Be5 31.Bf5 Nf4 32.Be4–+) 30.fe5 Nf4 (better is 30...Qd5!? 31.Rg2 Nf4 32.Qf1–+) 31.Rg3 (31.f3 Qd5 (31...Nd3?! 32.Qd3 Qd5 33.Rd1=) 32.Rf1 Qd4 33.Bf5 Re5–+ (worse is 33...gf5 34.Qf5 Kg8 35.Rg1 Qg1 36.Kg1+–; 33...Qe5?! 34.Be4–+)) 31...Qd5 (31...Rd8 32.Qa1–+) 32.f3 (32.Kg1 Qd4 33.Bf5 Ne2 (33...gf5?? 34.Qf5 Kh8 35.Qf6 Kh7 36.Qg7) 34.Kg2 Kh8 35.Bg6 Re5–+ (35...Ng3?! 36.Be8 Ne4 37.Qe1=)) 32...Nd3 (32...Qd7 33.Bc2–+) 33.Qd3 Rd8 (better is 33...Re5!? 34.Qc3 Re7–+) 34.Qc3–/+ Qd4 35.Qc7 (35.Qc6 g5–/+) 35...Rd7 36.Qc6 Rg7 (better is 36...g5–/+) 37.e6 (better is 37.Rg2!?–/+) 37...Re7–+ 38.Kg2 (38.Rg1 Qe3–+) 38...Qe3 39.Kh3 Qe6 (39...a4 40.Rg2–+) 40.Qc2 (40.Rg2–+) 40...f4 (40...f4 41.Kg2 fg3 42.Kg3 Qe5 43.Kh3 Qb5–+) 0–1. GuestHDRX – GuestSXZC, freechess.org, 2018.

7.a4 Nh5 8.Bg7 Ng7 9.Nc3 e5 10.h3 f5 11.Be2 e4 12.Nh2 Qg5 13.0-0 f4 14.ef4 Rf4 15.Bg4 Nd7 16.Qe2 Ne5 17.Ne4 Bg4 18.Ng4 Qf5 19.Nd6 Qe6 20.Qe5 Qe5 21.Ne5 Re8 22.Ng4 cb5 23.ab5 Rd8 24.c5 b6 25.cb6 ab6 26.Nb7 Rd2 27.Ne5 Nh5 28.Ra8 Kg7 29.Nd8 Rf5 30.Ndc6 Nf6 31.g4 Rf4 32.Kg2 Ne4 33.Nd8 Rdf2 34.Rf2 Rf2 35.Kg1 Kh6 36.Ne6 Rb2 37.Nd4 Rb4 38.Rd8 Rb5 39.Nb5 1–0. Abdullaevich (1690) – Chesta (1725), lichess.org, 2019.

7.a4 a6

8.Na3 cb5 9.ab5 ab5 10.cb5 Bd7 11.Be2 Ne4 12.Bg7 Kg7 13.0-0 Qb6 14.Qc2 Nc5 15.Qb2 Kg8 16.Rfc1 Nc6 17.Nc4 Qc7 18.bc6 bc6 19.Ra8 Ra8 20.Ra1 Rb8 21.Qc2 Bf5 22.d3 Qb7 23.e4 Be6 24.h3 Qb3 25.Qb3 Rb3 26.Ne1 Bc4 27.dc4 Ne4 28.Bf3 Nd2 29.Bc6 Nc4 30.Bd5 Rc3 31.Bc4 Rc4 32.Nf3 d5 33.Ne5 Rc3 34.Ra8 Kg7 35.Ra7 Kf6 36.Ng4 Kg5 37.Re7 f5 38.Ne3 d4 39.Nd5 Rc5 40.Nb6 h5 41.Rd7 Rc6 42.Na4 Ra6 43.Nc5 Rc6 44.Nb3 Rc3 45.Nd4 Rc1 46.Kh2 f4 47.Nf3 Kf5 48.Rd5 Kf6 49.Nh4 g5 50.Nf3 g4 51.hg4 hg4 52.Nh4 Rc3 53.Rf5 Ke6 54.Rf4 g3 55.fg3 1–0. Abdullaevich (1840) – teunmarnix (1815), lichess.org, 2020.

8.Be2 Bd7 (8...e5 9.0-0=) 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Qa5 (12...Bf5 13.Bf6 Bf6 14.d4+=) 13.Nc3 Rc8 14.Qb3 (14.e4 Bg4=) 14...Be6 15.Qd1 Nbd7 (15...Qb4 16.Nd4=) 16.Ng5 (16.Nd4 Bd5=) 16...Nc5 (16...Bc4 17.Bc4 Rc4 18.Qb3=) 17.Ne6 (17.d4 h6 18.Ne6 Ne6+=) 17...Ne6= 18.Bf3 (18.Qb3 Nc5 19.Qb1 e5=) 18...b6 (18...Qb6 19.Bb2=) 19.Qb1 (19.Qa4 Qa4 20.Na4 Nd7+=) 19...Ng5 (19...Qa3 20.Rd1+=) 20.Bb7 (20.Bc6 Ne6+=) 20...Rc7 (20...Rc4 21.Bb2+=) 21.Bc6 Qa3 (21...Ne6 22.Rc1+=) 22.Bb2 Qc5 (better is 22...Qb3!?+=) 23.Na4+– Qb4 (23...Qc4 24.Nb6 Qg4+–) 24.Bf6 Bf6?? (24...Qb1 25.Rb1 Bf6 26.Nb6 Kg7+–) 25.Qb4 1–0. DEFFM – GuestRPSZ, freechess.org, 2018.

7.a4 cb5

8.ab5 b6 9.Be2 Bb7 10.0-0 Nbd7 11.d4 e5 12.Nc3 e4 (12...Re8 13.Re1+=) 13.Nd2+– a5 (better 13...Qe7+–) 14.Qc2 (better 14.ba6 Ra6 15.Ra6 Ba6 16.Qa1+–) 14...Re8= 15.Ba3 d5? (better 15...Qe7!?=) 16.c5+– bc5 (better 16...Nf8!?+–) 17.dc5+– Ne5 18.c6 Bc8 19.Nb3 Be6 (19...Bg4 20.h3 Be2 21.Ne2+–) 20.Nd4 Nc4 (20...Bg4 21.Rfb1 Be2 22.Nce2+–) 21.Bc5 Bf8 (21...Qc7 22.Rfb1 Rab8 23.b6 Rb6 24.Rb6 (worse 24.Bb6 Nb6 25.Ncb5 Qe7+–) 24...Nb6 25.Ncb5+–) 22.Bf8 Kf8 (22...Rf8 23.Bc4 dc4 24.Rfd1+–) 23.Bc4 dc4 1–0. DEFFM – GuestXQXN, freechess.org, 2019.

8.cb5 a6 9.Na3 Bd7 10.Be2 ab5 11.Nb5 Nd5 12.Bg7 Kg7 13.0-0 Nc7 14.Qb3 Nb5 15.ab5 Ra1 16.Ra1 Qb6 17.Rb1 e5 18.h3 Be6 19.Qb2 Nd7 20.d4 f6 21.de5 Ne5 22.Nd4 Re8 23.Ne6 Re6 24.Qb3 Re7 25.Qd5 ½–½. Abdullaevich (1610) – xlukasb, lichess.org, 2018.

6.b5 e5

7.d3 a6 8.a4 c6 9.Nbd2 ab5 10.ab5 Ra1 11.Qa1 cb5 12.cb5 Nbd7 13.Nc4 Nc5 14.Nfd2 (14.Be2 Bg4=) 14...Bf5 15.e4 Be6 16.Be2 Nh5 17.g3 Bh3 (17...Qc7 18.Qa5 Qa5 19.Na5+=) 18.Bh5 (18.Qa3 Nf6+=) 18...gh5 (18...Nd3!? 19.Ke2 Nb2 20.Qb2 d5+=) 19.Ke2 f5 20.f4 (20.Rc1!?=) 20...fe4 21.de4 Bg2 (21...Bh6 22.Qa3 ef4 23.Qc3 Bg4 24.Ke1 fg3 25.Qh8 (25.Qg3?? Bf4 26.Qg4 hg4–+; worse is 25.hg3 Qe7 26.Rf1 Bd2 27.Nd2 Rf1 28.Kf1 Kf7+=) 25...Kf7 26.Qh7 Ke8 27.Qg6 Ke7 28.Qh7 Rf7 29.Bf6 Ke6 30.Qf7 (30.Bd8?? Nd3) 30...Kf7 31.Bd8–/+) 22.Rg1 Be4 23.Ne4 (23.fe5 Qd7 24.g4 Bd3 25.Kd1 Bc4 26.ed6 Bb3 27.Nb3 Nb3 28.gh5 Qd6 29.Bd4 Nd4 30.Rg7 Kg7 31.h6 Kg8 32.Qa2 Nb3 33.Kc2 Rf2 34.Kb3 Qd3 35.Kb4 Ra2 36.Kc5 Rc2 37.Kb6 Qd8 38.Ka7 Qc7 39.b6 Ra2) 23...Ne4 24.Ne3 (24.Qd1 d5 25.Ne5 Be5 26.Be5 Qd7=) 24...Qb6 25.Qa2 Kh8 26.Qd5 (26.Qc4 h4+=) 26...Nc5 (26...Nf6!? 27.Qd3 Ng4–/+) 27.Qc4+= Ra8 28.Nd5 Qd8 29.fe5 Ra4 30.Nb4 Qe7 31.Ra1?? (31.Re1 h4+=) 31...Ra1 (better is 31...Be5 32.Ra4 Bb2 (32...Na4?! 33.Qc8 Kg7 34.Nd5=) 33.Kd2 Na4 34.Qc8 Kg7–+) 32.Ba1= Be5 33.Nd5 Qe8 (better is 33...Qe6 34.Be5 Qe5 35.Ne3 Kg7+=) 34.Qf4?? (34.Nc7 Qe7 35.Nd5 Qe6 36.Be5 Qe5 37.Ne3 Kg7+=) 34...Nb3 (better is 34...Qb5 35.Ke3 Qd3 36.Kf2 Qc2 (36...Qd5?! 37.Qf8 Qg8 38.Be5 de5 39.Qf6 Qg7 40.Qd8 Qg8 41.Qf6 Qg7 42.Qd8 Qg8 43.Qf6=) 37.Ke3 Qc1 38.Ke2 Qf4 39.gf4 Ba1–+) 35.Be5= Qe5 36.Qe5 de5 37.Kd3 Kg7 38.Ne3 (38.Ke4 Nd4=) 38...Kf6+= 39.Kc4 (39.Ke4 Ke6+=) 39...Nd2 (39...Nd4 40.b6 Ke6 41.Kd3–/+) 40.Kd3 (40.Kd5 Nf3=) 40...Nf3+= 41.h3 Ke6 42.Ke4 (42.b6 Ng5 43.Nc4 Nf7–/+ (43...Nh3?! 44.Na5+=)) 42...Nd2 (better is 42...Ng5!? 43.Kd3 Nh3–+) 43.Kd3–/+ Nb3 44.Kc4 Nd4 45.Nd5? (45.Kc5 Nf5 46.Nc4 e4–/+ (worse is 46...Ng3 47.Kb6+=)) 45...Nf5 (45...Nb5!? 46.Kc5–+) 46.Nc7 Kd6 47.Ne8 Ke7 48.Nc7 Ng3 49.Kd5 e4 50.Kd4 (50.Ke5!? h4 51.Nd5 Kd8 52.Ne3–/+) 50...Kd6 51.Nd5 h4 (51...Ke6 52.Nc3–+) 52.Nf4 e3! 53.Ke3 Kc5 54.Kf3 Kb5 55.Kg4 (better is 55.Ng2!?–/+) 55...Kc4–+ 56.Kh4 Nf5 (56...Ne4!? 57.Kg4–+) 57.Kg5 Ne3 (57...Nd6 58.Ng2–+) 58.Kh6–/+ b5 (58...b5 59.Ne2 b4–+) 0–1. GuestLMNK – GuestHGJD, freechess.org, 2017.

7.d4 ed4 8.Bd4 c5=.

7.Be2 Bg4 8.0-0 Nbd7 9.d4 Ne4 10.h3 Bf3 (10...ed4 11.Bd4 Bf5 12.Bg7 Kg7 13.Nd4=) 11.Bf3+= (worse is 11.gf3 Ng5+=) 11...f5 12.Nd2 (12.de5 Ne5 13.Be4 fe4 14.Qd5 Kh8+=) 12...Nd2 (12...d5 13.cd5 ed4 14.ed4+=) 13.Bd5 Kh8 14.Qd2 Rb8 (14...Nb6 15.Bb7 Rb8 16.Bc6 Nc4 17.Qc3 Nb2 18.Qb2=) 15.Qa5 (15.de5 Ne5 16.Rad1 a6+=) 15...e4 (15...c6!? 16.Qd8 Rfd8=) 16.Qa7+/- Nf6? (better is 16...Qc8 17.Be6 Qe8 18.Bd7 Qd7+/-) 17.Bb7+– d5 18.Rfc1 dc4 19.Rc4 (19.Ba3 Rf7+–) 19...Nd5 (19...Ne8 20.Bc6 Nd6 21.Rc5+–) 20.Bd5 Qd5 21.Rc7 Rg8 (21...Qg8 22.a4 Rfd8+–) 22.Rg7! Rg7 (22...Rg7 23.Qb8 Deflection (23.Qb8 Overloading)) 23.Qb8 Qg8 (23...Rg8 24.Qe5 Qe5 25.de5+–) 24.Qe5 1–0. DEFFM – GuestFFCM, freechess.org, 2018.

7.h3 c6 8.a4 d5 9.Be5 dc4 10.Bc4 cb5 11.ab5 Nd5 12.Bg7 Kg7 13.0-0 Be6 14.Qb3 Nc7 15.b6 Bc4 16.Qc4 ab6 17.Ra8 Na8 18.Nc3 Nc6 19.Nd5 Ne7 20.Qd4 f6 21.Ne7 Qe7 22.Rb1 Qc7 23.Qb4 Rd8 24.d4 Rd5 25.e4 Rd8 26.d5 Qd6 27.Nd2 Qb4 28.Rb4 Rd6 29.Nc4 Rd8 30.Nb6 Nb6 31.Rb6 Rb8 32.f4 Kf7 33.Kf2 Ke7 34.Ke3 Kd7 35.Rf6 Ke7 36.Rb6 Kd7 37.e5 Kc7 38.Rd6 Rd8 39.Rd8 Kd8 40.Kd4 Kd7 41.Kc5 Kc7 0–1. Abdullaevich – Franklin_rs, lichess.org, 2018.

7.Be2 a6

8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nc3 Nbd7 12.d4 ed4 13.Nd4 (worse is 13.Qd4 Qa5 14.0-0 Nd5 15.Nd5 Bd4 16.Ne7 Kh8 17.Nd4 f6–/+) 13...cb5 (better is 13...c5!? 14.Nf3 Nb6=) 14.Ndb5+/- Ne5 (14...Ne8 15.Nd5+/- (15.Nd6? Nd6 16.Qd6 Qa5–+)) 15.Qd6 Qd6 (15...Nc6 16.0-0+–) 16.Nd6+– Be6 17.c5 (17.Ncb5 Nc6+–) 17...Ra8 18.0-0 (18.Kd2 b6 19.f4 Neg4+=) 18...Ned7 (18...Nfd7 19.Nb7 Ra7 20.Rb1+/-) 19.Nb7+– Rb8 20.c6 Nb6 (20...Ne5 21.Bb5+–) 21.Bf3 (21.Rb1 Nbd5+–) 21...Bc4 (21...Nc4 22.c7 Rc8 23.Rd1+–) 22.Rb1 Ne8 (22...Na8+–) 23.Rb6 Bc3 (23...Nc7 24.Rb4 Bd3 25.Ra4+–) 24.Bc3 Nd6 (24...f6+–) 25.Be5 (better is 25.c7 Rf8 26.Rd6 Be6+–) 25...Ra8 26.Nd6 (26.Bd6?? Ra1 27.Rb1 Rb1 28.Bd1 Rd1) 1–0. GuestCFBT – GuestTMJF, freechess.org, 2017.

8.d4=.

7.Be2 Nbd7

8.0-0 a6 9.ba6 b6 10.d4=.

8.0-0 Kh8 9.d4 e4 10.Nfd2 Re8 11.Qc2 Qe7 12.Nc3 e4 seems the pivot of the position 12...b6 (12...a6 13.a4+=) 13.g4 (13.a4 a6+=) 13...g5 (13...h6 14.Qd1 Bb7 15.a4=) 14.h4+= h6 15.hg5 hg5 16.Nde4 Ne4 17.Nd5 Qd8 18.Bf3 Ndf6 19.Nf6 Bf6 20.Be4 Rb8 21.Bf3 Kg7 22.Qe2 (22.Kg2 Rh8+–) 22...Rh8 23.e4 Be6 24.e5 (24.Kg2 a6+–) 24...de5 25.de5 Be7 26.Rad1 Qg8 27.Kg2 Qh7 (27...Rd8!? 28.Bd4 Rh4+/-) 28.Rh1 Qg6?? (28...Qg8+–) 29.Be4 f5 (29...Qh6 30.Bf5+–) 30.ef6! Qf6 (30...Bf6 31.Bg6 Decoy) 31.Bf6 Bf6 32.Bg6! Rhf8 (32...Kg6 33.Qe6 Discovered attack) 33.Rh7 Kg6 34.Qe4 Bf5 35.Qf5 1–0. DEFFM – GuestHTCS, freechess.org, 2017.

8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.b5).

7.Be2 e4

8.Nd4= c5 (8...a6 9.0-0=) 9.bc6 bc6 (9...Nc6 10.0-0=) 10.0-0 c5 11.Nb3 Nc6 (11...a5 12.a4=) 12.d4 (12.f3 a5+=) 12...ed3 (12...cd4 13.Nd4 Qb6 14.Bc3=) 13.Bf3 Bb7 14.Na3 (14.Nc1 Rb8 15.Nd3 Qe7=) 14...Rb8 15.Qd3 Nb4 16.Qd1 Bf3 17.Qf3 Nd3 (17...a6 18.Rfd1 Qe7 19.Qe2=) 18.Bc3 (18.Bf6 Bf6 19.Rad1 Nb2=) 18...Ne5= 19.Be5 de5 20.Rfd1 (20.Qc6 Qb6 21.Qb5 Rfc8+=) 20...Qe7 (20...Qb6 21.e4=) 21.e4 Nh5 (21...Qb7 22.Nd2= (worse is 22.Nc5 Qe7–/+)) 22.Nb5 (22.Nc2 Nf4+=) 22...a6 (22...Nf4 23.Nc3+=) 23.Nc3 Nf4 24.Nd5 Nd5 25.cd5 (worse is 25.ed5 e4 26.Qe3 Ba1 27.Ra1 Rb4–/+) 25...c4 (25...Qd6 26.Rac1+/-) 26.Na5 (26.Nd2!?+/-) 26...Qc5= 27.Qc3 f5? (better is 27...Rb5!? 28.Nc6 f5+=) 28.d6+/- (worse is 28.Nc4 fe4 29.d6 e3 30.fe3 e4+=) 28...Rfd8 29.ef5 (29.Qc4 Qc4 30.Nc4 fe4+/-) 29...gf5 (29...Rd6 30.fg6 Rg6 31.Rac1+/- (31.Nc4? e4 32.Qa5 Qc4 33.Rd8 Rd8 34.Qd8 Bf8–+; 31.Qc4?! Qc4 32.Nc4 Rc6+=)) 30.Qc4 (30.Nc4? e4 31.Qc2 Ba1 32.Ra1 Rb4–+) 30...Qc4 31.Nc4 e4 (31...Kf7 32.d7+/-) 32.Rac1 Rd7 33.Ne3 Bh6 (better is 33...f4 34.Nf5 Bf8+–) 34.Rc7 Rb7 (34...Rbd8 35.Rd7 Rd7 36.Nf5+–) 35.Rb7 Rb7 36.Nf5 Bf4 (36...Bg5+–) 37.d7 Bg5 (37...Rb8 38.d8Q Rd8 39.Rd8 Kf7+–) 38.d8Q Bd8 39.Rd8 Kf7 40.Nd6 (40.Nd6 Ke6 41.Nb7+–) 1–0. DEFFM – berserkergang, freechess.org, 2018.

8.Ng5 h6 9.Nh3 Bh3 10.gh3 c6 11.Rg1 cb5 12.cb5 d5 13.Bd4 Nbd7 14.Nc3 Re8 15.Rc1 Ne5 16.f4 ef3 17.Bf3 Nd3 18.Ke2 Nc1 19.Qc1 Rc8 20.Qb2 Qd6 21.Nd5 Nd5 22.Bg7 Nf4 23.Ke1 Nd3 0–1. Abdullaevich (1830) – karthee (1720), lichess.org, 2018.

6.b5 Bg4

7.Be2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.d4 c5 12.Nbd2 cd4 13.ed4 Qc7 14.0-0 b6 (14...d5 15.c5=) 15.h3+= Bf3 16.Bf3 e6 17.Bc6 d5 18.Qb3 Nb8 (18...dc4 19.Nc4 Rd8 20.Rc1=) 19.cd5+= ed5 20.Bd5 Nd5 21.Qd5 Rd8 22.Qc4 Qd6 23.Nf3 Nd7 24.Ng5 (24.Re1!?+/-) 24...Qe7+= 25.Nf3 Nf6 (25...Qd6 26.Qc6 Nf6+/-) 26.Re1+/- Qd6 27.Ne5 Nd5 28.Nc6 Rc8?? (better is 28...Rd7+/-) 29.Qd5!!+– (29.Qd5 Qd5 30.Ne7 Kf8 31.Nd5+–) 1–0. GuestKMGQ – HeadlessHessian, freechess.org, 2018.

7.Be2 c5 8.0-0 Nbd7 (8...a6 9.a4=) 9.d4 (9.d3 a6=) 9...cd4 10.ed4 Rc8 11.Nbd2 e5 (11...d5 12.c5=) 12.de5+= Ne5 (12...Nh5 13.h3 Be6 14.Ne4 de5 15.Ba3+=) 13.Ne5 Be2 (13...de5 14.Re1+=) 14.Qe2 de5 15.Rad1 Re8? (better is 15...Nh5+=) 16.Ne4+– (16.Be5 Nd7 17.f4 f6+= (17...Be5?! 18.fe5 Qb6 19.Kh1=)) 16...Qa5 (16...Nd7 17.Nd6 Qc7 18.Qe3+–) 17.Nd6 Qa2 (17...Qc7 18.Nc8 Qc8 19.Rfe1+– (19.Be5?! Ng4=)) 18.Ra1 (18.Ne8?! Ne8 19.Rd2 Qb3+–) 18...Qb3 19.Ra7 Red8 (19...Rc7 20.Ne8 Ne8 21.Rd1+– (21.Be5?! Re7+=)) 20.Nc8 Rc8 21.Rb7 (21.Qe5?! Ne8 22.Qd5 Bb2 23.Rb7 Qc4 24.Qc4 Rc4+/-; 21.Be5 b6+–) 1–0. DEFFM – GuestMZCW, freechess.org, 2018.

7.Be2 Qd7 8.h3 Be6 (8...Bf3 9.Bf3 c6 10.Nc3=) 9.Nc3 (9.d4 a6=) 9...c6 (9...a6 10.Qa4=) 10.Nd4 (10.0-0 Rc8=) 10...a6 (10...Rc8 11.Qb3=) 11.Ne6 fe6 (11...Qe6 12.bc6 Nc6 13.d4=) 12.a4 ab5 (12...cb5 13.cb5 ab5 14.Bb5+=) 13.ab5 Ra1 14.Qa1 d5 (14...e5 15.0-0+=) 15.0-0 (15.d4 cb5 16.cb5 Ne8+/-) 15...cb5 (15...e5 16.cd5 cd5 17.Na4+/-) 16.Nb5 Nc6 17.Nd4 Ne4 (17...Nd4 18.Bd4 (worse is 18.ed4 dc4 19.Bc4 b5=) 18...dc4 19.Bc4+/-) 18.Nc6 (better is 18.Ne6 Qe6 19.Bg7+–) 18...bc6?? (better is 18...Bb2 19.Ne7! Qe7 20.Qb2 dc4 21.Bc4 Nd6+/-) 19.Bg7+– Rf7 20.Bc3 (20.Bh6 Qc8+–) 20...dc4 (20...c5 21.Rb1+–) 21.Bc4 Nd2 (21...Nd6 22.Bb3 Ne4+–) 22.Bd2 (better is 22.Rd1 Nf3 23.gf3 Qc8+–) 22...Qd2 23.Be6 c5 1–0. GuestYVRT – GuestPNGC, freechess.org, 2016.

7.Be2 Nbd7 8.Nc3 e5 9.0-0 Nc5 10.d4 ed4 11.Nd4 Be2 12.Nce2 Qe7 13.a4 Nce4 14.Qc2 Rac8 15.h3 c5 16.bc6 bc6 17.Rfd1 d5 18.cd5 cd5 19.Qb3 Qd6 20.Ba3 Qc7 21.Bf8 Rf8 22.Rac1 Qd7 23.a5 Nd6 24.a6 Nc4 25.Qb7 Qb7 26.ab7 Rb8 27.Rb1 Nd7 28.Nc6 Re8 29.Rd5 Ncb6 30.Na7 Rb8 31.Nc8 Rb7 32.Nb6 Nb6 33.Rdb5 1–0. mohsen851 (1920) – Hurzzz (1855), lichess.org, 2020.

7.Be2 Bf3 8.Bf3+= c6 9.0-0 Nbd7 10.bc6 (10.d4 cb5 11.cb5 d5+=) 10...bc6 11.d4 1–0. DEFFM – GuestHHTH, freechess.org, 2018.

7.h3 Bf3 8.Qf3 Nbd7 9.Qb7 Ne5 10.Nc3 Rb8 11.Qa7 c6 12.a4 cb5 13.cb5 Nfd7 14.d4 Ra8 15.Qb7 Rb8 16.Qe4 Nf6 17.Qb1 Ned7 18.Be2 e5 19.de5 de5 20.0-0 Re8 21.a5 Nc5 22.b6 Nb3 23.Qa2 Na1 24.Ra1 Qd2 25.Bb5 Rec8 26.Nd1 Rc2 27.Ba4 Rc5 28.Bb3 Ne4 29.Bf7 Kh8 30.Ba3 Rc2 31.Qd5 Qa5 32.Qa5 1–0. Abdullaevich (1825) – mjguru (1960), lichess.org, 2020.

7.Be2 c6

8.a4 cb5 9.ab5 b6 (9...d5 10.c5=) 10.–0+= Nbd7 (10...a6 11.d4+=) 11.d4 Qc7 12.Nc3 Rab8 13.Nd2 Be2 14.Qe2 e5 15.Na2 ed4 16.Bd4 Nc5 (16...Rbc8 17.Nb4+/-) 17.Nb4 Nfe4? (better is 17...Ra8+/-) 18.Ne4+– Ne4 19.Na6 Qb7 20.Nb8 Rb8 21.Qb2 Bh6 (21...Bd4 22.Qd4 Qe7 23.Rfd1+–) 22.Ra6 1–0. GuestTSTG – GuestHZLC, freechess.org, 2018.

8.a4 Qc7 9.h3 Bf3 10.Bf3 Nbd7 11.d4 d5 12.cd5 cd5 13.0-0 Ne4 (13...Rfc8 14.Nc3 Nb6 15.Rc1=) 14.Be4+= de4 15.Nc3 f5 16.Qb3 Kh8 (16...Rf7 17.Rac1 Qd8 18.Nd5+/-) 17.Nd5 Qd6 1–0. DEFFM – GuestCTWH, freechess.org, 2017.

7.Be2 c6

8.a4 Ne4 9.Bg7 Kg7 10.Be2 b6 11.0-0 e5 12.d4 Qf6 13.de5 de5 14.Qd5 Nc5 15.Qa8 e4 16.Nd4 c6 17.Qa7 Nb3 18.Nb3 c5 19.N1d2 Bh3 20.gh3 Qg5 21.Kh1 Qh4 22.Kh2 Re8 23.Qb6 f5 24.Qc5 Nd7 25.Qd4 Kh6 26.Rg1 Ne5 27.Rg2 f4 28.ef4 Qf4 29.Kg1 Rf8 30.Qe4 Qf6 31.Qe3 Kg7 32.Ne4 Qf5 33.Nd6 Qf6 34.c5 Nf7 35.Nf7 Rf7 36.Rd1 Qb2 37.Nd4 Qb4 38.Ne6 Kg8 0–1. Abdullaevich (1855) – andihari (1900), lichess.org, 2020.

8.Be2 c6 9.a4 a6 10.0-0 cb5 11.cb5 ab5 12.ab5 Ra1 13.Ba1 Qa5 14.Bf6 Bf6 15.Qb3 Be8 16.d4 Nd7 17.Nc3 e5 18.de5 Ne5 19.Nd5 Nf3 20.Bf3 Bg7 21.b6 Bc6 22.Ne7 Kh8 23.Nc6 bc6 24.Bc6 Rc8 25.Bd5 f5 26.b7 Rb8 27.Rb1 Be5 28.Be6 h5 29.Bc8 Kh7 30.Qf7 Bg7 31.Bf5 Qf5 32.Qc7 Qb1 33.Kh2 Qb7 34.Qd6 0–1. Abdullaevich (1880) – steliosnt, lichess.org, 2019.

6.Qc2 e5=+

7.Nc3 Bf5 8.e4 Be6 9.a3 Nh5 10.Rd1 f5 11.d3 Nd7 12.Bc1 Nf4 13.Ne2 fe4 14.de4 a5 15.Nf4 ef4 16.Bb2 Qe7 17.Be2 Bb2 18.Qb2 ab4 19.ab4 Nb6 20.Qc2 Ra4 21.Rb1 Rfa8 22.0-0 Ra2 23.Rb2 Rb2 24.Qb2 Nc4 25.Qc1 Ne5 26.Qf4 Ra2 27.Re1 Nf3 28.Bf3 Rb2 29.e5 d5 30.Bg4 Bg4+= 31.Qg4 Rb4 32.Qc8 Kg7 33.e6 Rb6 34.g4 g5 35.Re5 h6 36.Kg2 d4 37.Rd5 Rd6 38.Rd6 cd6–/+ 39.Qc4 Kf6 40.Qd4 Ke6 41.Qe4 Kf6 42.Qf3 Kg6 43.Qd3 Kf6 44.Qf3 Ke5 45.Qe3= Kf6 46.Qf3 Kg6 47.Qd3 Kf7 48.Qd5 Ke8 49.Qg8 Kd7 50.Qb8 Qe4 51.f3 Qe2 52.Kg3 Qe5 53.Kg2 Qb2 54.Kg3 d5 55.Qf8 Qe5 56.Kg2 d4 57.Qf7 Kc6 58.Qg6 Qd6 59.Qc2 Qc5 60.Qa4 b5 61.Qa8 Kc7 62.Qa5 Kb7 63.Qd2 b4 64.h4 b3 65.hg5 Qc2 66.Qc2 bc2 67.gh6 c1Q 68.h7 Qh6 69.Kg3 Qh7 70.f4 Kc6 71.f5 Kd5 72.f6 Qg6 73.Kh4 Qf6 74.Kh5 Ke5 (74...Ke5 75.g5 Qc6 76.Kg4 Qg2 77.Kh5 Kf5 78.Kh6 Qg5 79.Kh7 Kf6 80.Kh8 Qg7#) 0–1. Aslan,Ziver – Ozdemir,M (1750), ch–TUR Kemer–Antalya TUR, 2011. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6)

7.d3 Re8 8.Nbd2 Nc6 9.a3 Bg4 10.Rc1 Rc8 11.Be2 d5 (11...a5!? 12.b5 Ne7=) 12.b5+/- dc4?? (12...Na5!? 13.Be5 c6+/-) 13.Nc4 (better 13.bc6 b5 14.dc4+-) 13...Nb8+/- 14.Nfe5 (14.Nce5!? Be6 15.Qa4+/-) 14...Be2+= 15.Ke2 Nd5 16.Rhd1 (16.Qb3+=) 16...Qh4 (better 16...Qg5=) 17.Nf3+- Qg4 18.Bg7 (18.Kf1 Qd7+-) 18...Kg7 (18...Nf4!? 19.Kd2 Qg2 20.ef4 Qf3+=) 19.Kf1+- Nd7 (19...Qd7 20.Rb1+-) 20.Qb2 (20.Qa4 Ra8+-) 20...Kg8 21.Qd4 Qh5 (21...Qd4 22.Nd4 (22.ed4?! N7f6+/-) 22...a6 23.ba6 ba6 24.e4+-) 22.h3 (better 22.Qa7 Rb8 23.Kg1+-) 22...N7f6? (better 22...a6!? 23.ba6 ba6+-) 23.Qa7 (23.e4 a6 24.ed5 Nd5+-) 23...g5 (23...b6 24.Nd4 Nc3 25.Rd2 Nb5 26.Nb5 Qb5 27.Qb7+/-) 24.Nfe5 (24.Qb7 g4 25.hg4 Ng4+-) 24...g4 25.hg4 Qh1 26.Ke2 Qg2 27.Rg1 (better 27.Qd4 Red8 28.Rg1+-) 27...Nf4?? (27...Nc3 28.Kd2 Nb5 29.Rg2 Na7+-) 28.ef4 Qd5 29.g5 Nh5 30.Qe3 c6 (30...Ng7 31.Qe4 Ne6 32.Rh1 Qe4 33.de4 Nf4 34.Ke3+-) 31.Qe4 (better 31.bc6 Rc6 32.Qf3 Nf4 33.Qf4 Rc4 34.Rc4 Re5 35.Re4 Rf5+-) 31...Qe4 (31...cb5 32.Nd2 Nf4 33.Qf4 Re5 34.Ne4+-) 32.de4 Nf4 33.Kf3 Ne6 (33...Nh3 34.bc6 Ng1 35.Rg1 bc6 36.Nd6 Re5 37.Nc8+-) 34.Nd7 (better 34.bc6!? Nd4 35.Ke3 Nc6+-) 34...Kg7 (34...Red8 35.Ncb6 Rc7 36.bc6 bc6 37.Nc5+-) 35.Nd6 Rcd8 (35...Nd4 36.Ke3 Nb5 37.Nc8 Rc8 38.a4+-) 36.Ne8 Re8 37.Nf6 (37.bc6 bc6 38.Ke3 Re7+-) 37...Rd8 (37...Ng5 38.Rg5 Kf6 39.Rf5 Kg7 40.bc6 bc6 41.Rc6 Re7 42.Rg5 Kf8 43.Rc8 Re8 44.Re8 Ke8+-) 38.Rgd1 (38.bc6 bc6 39.Nh5 Kf8+-) 38...Nd4 (38...Rd1 39.Rd1 Ng5 40.Kf4 Kf6 41.e5 Kg6+-) 39.Rd4! Rd4 (39...Rd4 40.Nh5 Double attack) 40.bc6 bc6 41.Rc6 h6 (41...Rd8 42.Ra6+-) 42.Nh5 Kf8 (42...Kh7 43.Rh6 Kg8 44.Nf6 Kg7 45.Kg4+-) 43.gh6 Rd3 44.Kf4 Ra3 45.h7 Ra8 (45...Ra8 46.Rc7 Ra1 47.h8Q; 45...Ke8 46.h8Q Kd7 47.Qc8 Ke7 48.Rc7 Kd6 49.Qd7). bjoern (2190) - nikolaRBM (1965), Rated Blitz game, lichess.org, 2014.

7.Nc3 Re8

8.d3 a5 9.b5=.

8.d3 c6 9.Be2 d5 10.0-0 Qe7 11.a3 Nbd7 12.d4 (12.cd5 Nd5 13.Nd5 cd5=) 12...e4 (12...ed4 13.Nd4 dc4 14.Bc4=) 13.Ne5 Ne5 14.de5 Ng4 15.cd5 Qe5 16.Bg4 Bg4 17.h3 (17.dc6 bc6 18.h3 Be6+/-) 17...Bh3 (17...Bd7 18.Rad1=) 18.gh3+= Qg5 19.Kh1 Qh4 20.f3 (20.Rfd1 Re5 21.Kg2 Rg5 22.Kf1 Qh3 23.Ke1 cd5 24.Rd5 Rg1 25.Kd2 Ra1 26.Ba1 Qf1+=) 20...Qh3= 21.Qh2 Qh2 22.Kh2 cd5 23.Rac1 Rac8 (23...ef3!? 24.Kg3 h5=) 24.Nd5+= Rc1 (24...Bb2 25.Rc8 Rc8 26.Ne7 Kg7 27.Nc8 ef3 28.Na7+–) 25.Bc1 Re5 (25...ef3 26.Kg3+=) 26.fe4+/- Re4 27.Kg3 (27.Rf4 Re8+/-) 27...f5+= 28.Kf3 Be5 (28...Kf7 29.Bd2+=) 29.Bd2 Rc4 30.Rc1 Rg4 (30...b5 31.Rc4 bc4 32.Bc3+/-) 31.Bc3 Rc4 32.Bb2! Rc1 33.Bc1 Kf7 34.e4 fe4 35.Ke4 Ke6 36.a4 a6 37.Bg5 b5 38.a5 Bd6 39.Bh6 Be5 40.Ne3 Bd6+/- 41.Nd5 Be5 42.Bd2 Bd6 43.Bf4 Bf4 44.Nf4 Kd6 45.Nd3 h5 46.Nc5 g5 47.Na6 h4 48.Nc5 g4 49.Kf4 h3 50.Kg3 (50.Kg3 Kc7 51.Ne6 Kc8 52.Nd4+– (52.Kg4?? h2–+)) 1–0. Bockius,Albert (2200) – Herms,Axel, Wiesbaden op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Qc2 e5)

8.d3 Bf5 9.Nd2 (9.Be2 Nc6 10.a3 e4 11.Ne4 Ne4 12.Bg7 Kg7 13.de4 Qf6=) 9...a5 10.b5 Nbd7 (10...Bg4 11.Be2=) 11.e4 Be6 12.Be2 Nc5 13.0-0 a4 14.Ba3 (14.a3 c6=) 14...Nfd7 15.Rab1 c6 (15...f5 16.Rb4=) 16.Rb4+= Qa5 17.Rfb1 f5 18.h3 Bf7 (18...Rf8 19.ef5 gf5 20.Bf3+=) 19.Bf3 Rec8 20.Nf1 (20.Bc1 Nb8+=) 20...Nf8 (20...Be6 21.bc6 bc6 22.Ne3+=) 21.Ng3 Nfe6= 22.Nce2 f4 23.Nf1 g5 24.Nh2 Qd8 25.Bb2?? a3 26.Ba1 Be8 27.bc6+= bc6 28.Qd2 Qf6 29.Nc1 Qd8 30.Nb3 Na4 31.Nc1 Qa5 32.Nf1 Bf6 33.Bd1 Nac5+= 34.Bc3 Qa7 35.Nb3 Bd8 36.Nh2 h5 37.Nf3 Nb3 38.R4b3 Nc5 39.Bb4? Nb3–/+ 40.Rb3 Ba5 41.Kh1? Bb4–+ 42.Qb4 c5 43.Qc3 Rcb8 44.g3? Rb3 45.Bb3 fg3 46.fg3 Ba4 47.Ba4+= Qa4 48.Qc1 Rb8 49.Nh4?? Rb2 50.Ng6?? Qc2 51.Ne7 Kf7 (51...Kf7 52.Qc2 Rc2–+) 0–1. Wegerer,F (2225) – Sale,S (2400), Open, Dubai UAE, 2002. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6)

8.Be2 e4=+ 9.Nd4 c5 10.bc5 dc5 11.Nb3 b6 12.f4 (12.d4 ed3 13.Qd3 Qe7=+) 12...Nc6–/+ 13.a3 Bf5 14.0-0-0 Nd4 15.ed4 cd4 16.Nd4 Qd4 17.Nd5 Qb2 (17...Qd5 18.cd5) 18.Qb2 Nd5 19.Qb3 (< 19.cd5 Bb2 20.Kb2 Rad8=+) 19...Nf4 20.Bf1 Rad8 21.g3 (21.Re1 Bd4=) 21...Nd3 22.Bd3 Rd3 (< 22...ed3 23.Rde1+/-) 23.Qa4 Rc8 24.Rde1 (24.Rdf1!?=+) 24...Bh6 25.Re3 Rd4 (25...Be3 26.de3 Re3 27.Rd1–/+) 26.Qa7=+ Rcc4 27.Kb1 Rd7 (better is 27...Rd2 28.Qb6 Be3 29.Qe3 Rd3=+) 28.Rhe1?? (better is 28.Qb8 Kg7 29.Qb6 Rd2 30.Qb5=) 28...Bg7 (better is 28...Ra7 29.d3 ed3 30.Re8 Bf8–+) 29.Qb6 (29.Qb8 Bf8 30.g4 (30.Qb6?! Rd2 31.Rc1 Rcd4=) 30...Bg4 31.Rc3 (< 31.Re4 Bf5 32.Qf4 Be4 33.Re4 Re4 34.Qe4 Rd2–/+) 31...Rc3 32.dc3=) 29...Bd4 (29...Rdc7 30.d3 ed3 31.Re8 Bf8 32.Ka1+=) 30.Qb3 (30.Qa6 Rcc7 31.Re4 Rb7 32.Kc2 Rb2 33.Kd1 Rb1 34.Ke2 Re1 35.Ke1 Be4 36.Qc8 Kg7 37.Qd7 Bb2+–) 30...Rcc7 (30...Rdc7 31.Qb5=) 31.Qb8+= (31.Re4 Rb7 32.Ka2 Be4 (32...Rb3?! 33.Re8 Kg7 34.Kb3=+) 33.Re4 Rb3 34.Re8 Kg7 35.Kb3 Bc5–+) 31...Kg7 32.Qa8 Rb7 (33.Qb7 Rb7 34.Kc2 Rb2 35.Kc1 Ra2–+) 0–1. Grau,Jose Maria – Nunez,Jose Antonio, Equipos Asturias, 1990.

8.e4 Nc6 9.a3 a5 =+.

6.Nc3 a5

7.a3 c6 8.Be2 e5 9.0-0 Bg4 10.d4 Nbd7 11.h3 Bf3 12.Bf3 (worse is 12.gf3 ab4 13.ab4 Ra1 14.Ba1 ed4 15.Qd4 d5=) 12...d5 (better is 12...Nb6!? 13.Be2 ed4 14.ed4 d5=) 13.cd5+/- cd5 14.de5 Ne5 15.Bd5 Nd5 16.Qd5?? (16.Nd5 b5+/-) 16...Qd5?? (better is 16...Nd3 17.Qb7 Nb2–+) 17.Nd5+/- Rfd8 18.Be5 Rd5 19.Bg7 Kg7 20.Rab1 a4 21.Rfd1 Rad8 22.Rdc1 Rd3 23.Rc7 Ra3 24.Rb7 Rd2 25.b5 Raa2 26.Rf1 a3 27.Ra7 Rdb2 28.Ra5 h5 29.h4 Rc2 30.b6 Rcb2 31.Ra6 Rb3 32.Rc1 Rab2 33.Ra1+/- Rb1 34.Rb1 Rb1 35.Kh2 a2 36.Ra2 Rb6 37.Kg3 Rb4 38.f3 Kf6 39.Ra6 Kg7 40.Ra7 Kf6 41.e4 Rb3 42.Kf4 Rb2 43.g3 Rb3 44.Ra6 Kg7 45.Kg5?? f6?? 46.Kf4+– Rc3 47.Ra7 Kh6 48.Rf7 g5+= 49.hg5 fg5 50.Ke5 h4? 51.gh4+– gh4 52.Rf8 Kg7+/- 53.Rf4 h3? 54.Rg4+– Kf7 55.Kf4 h2 56.Rh4 Rc2 57.Kg3 Kf6 58.Rh2 Rc3 59.Kf4 Ra3 60.Rh6 Kg7 61.Rb6 1–0. orangutanb4 (2010) – arayashiki (1890), kurnik, 2011.

7.a3 e5 8.Be2 Re8 9.d4 e4 10.Nd2 c6 11.h3 ab4 12.ab4 Ra1 13.Qa1 d5 14.b5 Nbd7 15.bc6 bc6 16.cd5 cd5 17.Bb5 Bf8 18.0-0 Qb6 19.Ba3 Bb7 20.Bf8 Rf8 21.Bd7 Nd7 22.Rb1 Qc6 (22...Ra8 23.Qa8 Ba8 24.Rb6 Nb6 25.f3=) 23.Qb2 (23.Rb5!?+/-) 23...Ba6= 24.Rc1 Qe6 25.Na4 Rb8 26.Qa3 Bc4 (26...Bb5 27.Nc5 Nc5 28.Rc5+=) 27.Nc5 Nc5 28.dc5 (28.Nc4? Nd3 (28...dc4?! 29.Qc5 Rc8 30.Qa5=) 29.Ne5 Nc1 30.Qc1 Qc8 31.Qc8 Rc8–+) 28...Rc8 (28...Bd3!?+=) 29.Nc4+/- dc4 30.Qb4 h5 31.Rc4 f5 32.Rd4 Qa6 33.Qb6 Qb6 34.cb6 Rb8 35.Rd6 Kf7 36.h4 Ra8 37.Kh2 Ra2 38.Kg3 Rb2 39.Rc6 Kg7 40.f3 Rb4 41.Rc7 Kh6 42.b7 ef3 43.gf3 f4 (43...g5 44.Rc6 Kg7 45.hg5 h4 46.Kh3 Rb7 47.Kh4+–) 44.ef4 Rb3 (44...Rb2 45.Re7+–) 45.Kf2 Rb1 46.Ke3 Rb4 47.Kd3 Rb5 48.Ke4 Rb1 49.Ke5 Rb6 50.Kd5 Rb3 51.Ke6 Rb2 52.Kd7 Kg7 53.Kc8 Kf6 54.b8Q (54.b8Q Rb8 55.Kb8+–) 1–0. Lindner,Jan Joost (2075) – Tuertmann,Dieter (1995), EU–chT Seniors, 2007. (=1.c4 Nf6 2.Nc3 d6 3.b4 g6 4.Bb2 Bg7 5.e3 0-0 6.Nf3 a5)

7.b5 c6 8.Be2 e5 9.d4 e4 10.Nd2 Re8 11.Qc2 e4 draws heavy fire 11...Bf5 12.0-0 h5 (12...cb5 13.Nb5 Qd7 14.Rab1+=) 13.Rfc1 h4 14.h3 Nbd7 15.Qd1 Rc8 16.a4 c5 17.Nd5 (17.Nb3!?+=) 17...Nd5=+ 18.cd5 cd4 (18...Nb6 19.Nc4 Nd5 20.Rab1=+) 19.Bd4 (19.Rc8 Qc8 20.Bd4 Bd4 21.ed4 Nb6=) 19...Bd4 (19...Rc1 20.Rc1 Bd4 21.ed4=+) 20.ed4 (20.Rc8 Qc8 21.ed4 Nb6=) 20...Nb6 21.Bc4 (better 21.Rc8!? Bc8 22.Nc4 Nd5 23.Qd2=+) 21...Qg5-/+ Black prepares the advance e3 (worse 21...Nc4 22.Nc4 (worse 22.Rc4 e3 23.fe3 Re3=) 22...Re7 23.b6+/-) 22.Kh1 e3 23.Nf3 Qf4 24.fe3 Re3 25.Bb3?? (better 25.Bf1-+) 25...Rce8 (better 25...Rc1!? 26.Qc1 Rf3 27.Qf4 Rf4 28.Rd1-+) 26.Bc2 Bh3! 27.gh3 (27.Qf1 Bg2! 28.Qg2-+) 27...Rf3 28.Qg1 0-1. m_x (2600) - Banjovi (2595), Rated Bullet game, lichess.org, 2018.

7.b5 Nbd7 8.Qc2 e5 9.d4 ed4 10.ed4 Re8 11.Be2 Nb6 12.0-0 Bf5 13.Qd2 Ne4 14.Ne4 Be4 15.Rac1 White prepares the advance c5 15...d5 16.c5 Nc4 17.Bc4 dc4 18.Ng5 Bd5 19.Qf4?? (19.Rfe1 Qd7=+) 19...h6?? (better 19...Bh6 20.h4 f6-+) 20.Nf3-/+ Re4 21.Qg3 h5 22.Nd2?? (better 22.Ne1=+) 22...Rg4-+ 23.Qe3 (23.Qg4 hg4 24.Nc4-+) 23...Rg2 24.Kh1 Qh4 25.h3 (25.Qe8 Re8 26.Nf3 Bf3 27.Rc4 Qh2) 25…Rg3 (25...Rg3 26.f3 Qh3) 0-1. is_er_nog_hoop (2575) - sitrup (2315), Rated blitz game, lichess.org, 2016.

7.b5 e5

8.ab4 Ra1 9.Qa1 c5 10.b5 d5? (10...Nbd7!?=) 11.cd5 (11.Nd5 Nbd7+/-) 11...e6 (11...Bg4 12.Be2+=) 12.de6 Be6 13.d4 cd4 14.Nd4 Bg4 15.h3 Bc8 16.Be2 Nbd7 17.0-0 Nc5 18.Ba3 b6 (18...Nfd7 19.Rd1+-) 19.Rd1 Qc7 20.Bf3 Rd8 21.Nc6 Rd1 22.Qd1 Be6 23.Qd8 Qd8 24.Nd8 Bc4 (24...Ncd7 25.Nc6+-) 25.Bc5 bc5 26.b6 (better 26.Bc6!? Nd7 27.Bd7 Bc3 28.b6+-) 26...Nd7+/- 27.Na4 (better 27.Ne4!? Nb6 28.Nc5+/-) 27...Bb5= 28.Bc6 (28.Nc5 Nc5 29.Bd5 Be8=) 28...Ba4=+ 29.Ba4 Nb6 30.Be8 (30.Bb5 Kf8=+) 30...f5 (30...c4 31.Kf1=+) 31.Ne6 c4 32.Kf1 (32.Ng7?? c3 (32...Kg7?! 33.Kf1=+) 33.Ne6 c2-+) 32...c3 (32...Bb2 33.Ke2=+) 33.Ke2= Bf6 34.Kd3 Nd5 (34...Nc4 35.Nf4 (35.Kc4?? c2-+) 35...Nd2 36.Bc6+=) 35.Nd4+= Bd4 36.ed4 Nf4 37.Kc3 Ng2 38.Kc4 Kf8 39.Bc6 Nf4 40.h4 Ke7 41.Kc5? (better 41.Bb7!?=) 41...Nd3-/+ 42.Kd5 Nf2 43.Ke5?? (43.Bb5 Kf6-/+) 43...Ng4 (43...Nd3 44.Kd5 Nb4 45.Kc5 Nc6 46.Kc6 f4-+) 44.Kf4-/+ Kd6 (44...Kf6 45.Bd7-/+) 45.Bf3=+ Nf6 46.Kg5 Ke6 47.Kh6 Kf7 48.Be2 Kg8 49.Bc4 Kh8 50.d5 (better 50.Kg5 Kg7 51.Kf4=+) 50...Nd7?? (better 50...Ne4 51.Bd3 Nd6-+) 51.d6+/- f4 52.Be6 Ne5 53.d7 Nc6 54.Bd5 Nd8 55.Kg5 Kg7 56.Kf4 Kf6 57.Bg8 h6 58.Bh7?? (58.Ke4 Ke7=) 58...g5?? (better 58...Kg7 59.Ke5 Kh7-+) 59.hg5 hg5 60.Kg4 Ke7 61.Bf5 Kf6 62.Bd3 Ke7 63.Bb5 Kf6 64.Ba4 Nf7 65.Bb5 Nd8 66.Kg3 Nf7 67.Kg4 Nd8 ½-½. ZoeMcNally (2350) - mecker (2195), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.b4 0-0 5.Bb2 d6 6.e3)

8.ab4 Ra6 9.Be2 c5 (9...Ra1!? 10.Qa1 Nc6+=) 10.bc5+= dc5 11.0-0 b6 12.d4 cd4 13.ed4 Bg4 (13...Ra1!? 14.Qa1 Nc6+=) 14.Ra6+/- Na6 15.Ne5 Be2 16.Qe2 Nb4? (better 16...Qd4 17.Ra1 Nb4+/-) 17.Ba3+- Qd4 (17...Na6 18.Nc6 Qd7 19.Ne7 Kh8 20.Nb5+-) 18.Bb4 Re8 (18...Ne4 19.Qe4 Qe4 20.Ne4 Be5 21.Be7 Rc8+-) 19.Re1 Qh4 (19...Qf4 20.g3 Qf5 21.Nc6+-) 20.Qf3 h5 (20...Qg5+-) 21.Ne4 Ne4 (21...Bh6 22.Ng6! fg6 23.Nf6 Qf6 24.Qf6 ef6 25.Re8 Kf7 26.Re7 Kg8+-) 22.Qf7 Kh7 23.Qg6 Kh8 24.Qe8 Kh7 25.Qg6 Kh8 26.Re4 Qe4 (26...Qf6 27.Qh5 Kg8 28.Ng6 Qa1 29.Re1 Qe1 30.Be1 Bb2 31.Ne7 Kf8 32.Bb4 Bf6 33.Nf5 Be7 34.Be7 Kg8 35.Qg6 Kh8 36.Bf6) 27.Qe4 (27.Qe4 h4 28.Ng6 Kg8 29.Ne7 Kf7 30.Qg6 Kf8 31.Qe6 Be5 32.Qg8) 1-0. Adlai – Sentaures, internet, 2021.

7.b5 e5

8.a4 Nbd7 9.Be2 e4 10.Nd4 Nc5 11.0-0 Nfd7 12.Nb3 (12.f3 f5+=) 12...f5 13.Qc2 c6 14.f3 Nb3 15.Qb3 Nf6 16.c5 d5 17.d3 Qe7 18.fe4 fe4 19.d4 Bh6 20.Nd1 Bg4 21.Qc2 Qe6 ½–½. Dudko,Gennady – Toder,Alexander (2015), Omsk–ch op, 2009. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.Nc3 a5 7.b5 e5)

8.Be2 Nbd7 9.0-0 Nc5 10.d3 Re8 11.Nd2 Bf5 12.Nb3 Nb3 13.ab3 e4 14.d4 h5 15.Qd2 Qe7 (15...h4 16.h3+=) 16.Nd5 (16.Ra3 c5+/-) 16...Nd5+= 17.cd5 b6 18.b4 ab4 19.Ra6 Rad8 20.Rc1 Rd7 21.Qb4 Qg5 22.Bf1 h4 23.Rc6 Bf6 24.Qc4 Bd8 25.Ra8 h3 26.g3 Bg4 27.Ba3 Kg7 28.Rc8 Qf5 (28...Rde7 29.R6c7 Rc7 30.Rc7 Bc7 31.Qc7 Qd5 32.Bd6+=) 29.Bb4 Qf3 30.Qc2 (30.Ra8 Rde7 31.Qb3 Bd7+=) 30...Rh8 31.Qa2 (31.Rc3 c5 32.bc6 Ra7–+) 31...Rh5 (31...Re7!? 32.Ra8 Bd7+=) 32.Rc1 Rf5 33.Be1 Bh4 34.gh4 Bh5 35.Re8 Qg4 36.Kh1 Qf3 37.Kg1 Qg4 ½–½. Gelashvili,T (2605) – Kempinski,R (2600), 37th Greek Teams, Kallithea GRE, 2009. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Nc3)

8.Be2 Nbd7 9.d4 ed4 10.ed4 Re8 11.0-0 Nf8 (11...a4 12.Bd3+= (12.Na4? Re2 13.Qe2 Ra4–+)) 12.Re1 Nh5 (12...Ne6 13.Qd2+=) 13.Qd2+= Ne6 14.g3 Nf8 (14...a4 15.Nd5+=) 15.Bf1 (15.Ng5 h6 16.Nf3 Bg4+=) 15...Bg4 (15...Ne6 16.Bg2+/-) 16.Re8+/- Qe8 17.Bg2 Qc8 (better is 17...Ne6!?+/-) 18.Nd5+– Kh8? (18...Bf6 19.Re1 a4 20.Ng5+–) 19.Re1 (19.Ng5!? Be6 20.b6 c6+–) 19...Bf3 20.Bf3 Nf6 (20...Ne6 21.Bh5 gh5 22.f4+–) 21.Nf6 (better is 21.Re7!? Nd5 22.Bd5 f6+–) 21...Bf6 22.Qf4 (22.c5 Kg7+–) 22...Kg7 23.Bg4 Qd8 24.h4 (24.Qf3 Ra7+/-) 24...Nd7 (24...d5 25.c5+/-) 25.h5 (25.Qf3 Nb6 26.Bc3+/-) 25...h6? (better is 25...Nb6!? 26.Qc1 d5+/-) 26.Qe4 Nb6 27.Qe2 (27.hg6!? fg6 28.Be6+–) 27...d5+/- 28.c5 Nc4 29.Bc3 b6 30.cb6 (30.c6 Qf8 31.Bf3 Rd8 32.hg6 Qa3+/-) 30...cb6 31.hg6 fg6 32.Qf3 Na3 33.Qd3 Ra7 34.Bd2 Nc4+= 35.Bf4 Re7= 36.Re7 Qe7 37.Bf3 Qe6 38.Kg2 g5 39.Be3 Kf7 40.Qh7 Bg7 41.Bh5 Kf8= 42.Qg6 Qg6 43.Bg6 ½–½. Seifert,Henryk (2280) – Siekaniec,Jan (2205), Golden Rook op, 2003.

6.Nc3 c5

7.a3 Nc6 8.b5 Na5 9.d4 b6 (9...cd4 10.Nd4 (10.Qd4? Nb3 11.Qd1 Na1-+; worse 10.ed4 Qc7=+) 10...e5 11.Nb3=+) 10.d5 e6 11.e4 (better 11.Be2!?=) 11...Re8 12.Be2 ed5 13.cd5 Ne4 14.Ne4 Re4 (better 14...Bb2!? 15.Ra2 Bg7-+) 15.Bg7=+ Kg7 16.0-0 Bb7 17.Bd3 Re8 18.Bc2 Nc4 (18...Qf6 19.Rb1-/+) 19.Bb3 Ne5 20.Nd2 Qh4 21.g3? (21.Qc2 a6 22.Qc3 Kg8-/+) 21...Qh3 (better 21...Qd4 22.Ra2 a6 23.ba6 Ba6-+ (23...Ra6?! 24.Qa1-+)) 22.Ne4?? (better 22.f3-/+) 22...Ng4-+ 23.Re1 (23.Qg4 Qg4 24.Nd6 Qf3-+) 23...Qh2 24.Kf1 Re4! 25.Qf3 (25.Re4 Qf2 Mate attack) 25...Re1 (25...Re6 26.Qg2-+) 26.Re1 Qh5 27.Kg1 Ne5 28.Qh5 gh5 29.f4 (29.Kf1 c4 30.Bc2 Nf3-+) 29...Ng4 (better 29...Nf3 30.Kf2 Ne1 31.Ke1-+) 30.Re7 Bc8 31.a4 Bf5 32.Bd1 a6 (32...Nf6 33.Bb3-+) 33.Rb7 (33.Be2 ab5 34.Bb5 Nf6-+) 33...ab5 34.ab5 (34.Bg4 hg4 35.ab5-+) 34...Ra1 35.Rb6 (35.Kf1 Rd1 36.Ke2-+) 35...Rd1 36.Kg2 Rd5 (36...Be4 37.Kh3 Rh1) 37.Rb8 (37.Kf1 Nh2 38.Kg1 Rd2 39.Kh1 Nf3 40.Rd6 Rh2) 37...c4 (37...Rd2 38.Kf1 Nh2 39.Ke1 Nf3 40.Kf1 Bd3) 38.b6 Rb5 (38...Rd2 39.Kf1 Nh2 40.Ke1 Nf3 41.Kf1 Bd3) 39.b7 d5 (39...Rb2 40.Kf1 Bd3 41.Ke1 Ne3 42.Rg8 Kf6 43.Rg6 hg6 44.b8Q Re2) 40.Rd8 Rb7 (40...Rb2 41.Kf1 Bd3 42.Ke1 Ne3 43.Rg8 Kf6 44.Rg6 hg6 45.b8Q Re2) 41.Kf3 Be4 (41...Rb3 42.Ke2 Re3 43.Kf1 Bd3 44.Kg2 Re2 45.Kg1 Re1 46.Kg2 Be4 47.Kh3 Rh1) 42.Ke2 c3 (42...Rb2 43.Ke1 Bd3 44.Rb8 Re2 45.Kd1 Ne3 46.Kc1 c3 47.Rg8 Kg8 48.f5 Re1) 43.Rc8 (43.Rd7 Rb2 44.Kf1 Bd3 45.Kg1 Rb1 46.Kg2 Be4 47.Kh3 Rh1) 43...c2 (43...Rb2 44.Kf1 Bd3 45.Kg1 Rb1 46.Kg2 Be4 47.Kh3 Rh1) 44.Kd2-+ Rb1 (44...Rb2 45.f5 Ne5 46.Ke3 Rb3 47.Kd2 Nc4 48.Rc4 dc4 49.g4 c3 50.Ke3 c1Q 51.Ke4 Rb4 52.Kd5 Qd1 53.Kc5 Qd4 54.Kc6 Rb6 55.Kc7 Qd6 56.Kc8 Rb8) 45.Rc2 Bc2 46.Kc2 Rg1 47.Kd3 Rg3 48.Kd4 Rf3 49.Kd5 Rf4 50.Kc5 Rf6 51.Kd5 h4 52.Ke4 h3 53.Kd5 (53.Kd4 h2 54.Ke4 h1Q 55.Kd3 Qd5 56.Kc3 Rf3 57.Kb2 Qd2 58.Kb1 Rf1) 53...h2 54.Kd4 h1Q 55.Kc5 (55.Kc4 Ne3 56.Kd4 Qd5 57.Ke3 Rf3 58.Ke2 Qd3 59.Ke1 Rf1) 55...Qc6 (55...Rc6 56.Kb5 Rc2 57.Ka5 Qb7 58.Ka4 Ra2) 56.Kd4 (56.Kb4 Rf4 57.Kb3 Qc4 58.Ka3 Qb5 59.Ka2 Ra4) 56...Rf4 (56...Rd6) 57.Kd3 Qf3 (57...Rf2 58.Kd4 Rd2) 58.Kd2 Rd4 59.Kc2 Qd3 60.Kb2 (60.Kc1 Qe2 61.Kb1 Rd1) 60...Rb4 61.Kc1 Qb1 (61...Rb1) 62.Kd2 Qe4 (62...Qb2 63.Ke1 Re4 64.Kf1 Qf2) 63.Kc3 (63.Kc1 Rc4 64.Kd1 Nf2 65.Kd2 Rc2) 63...Qd4 64.Kc2 Rb2 65.Kc1 Qd2 0-1. DY007 (2300) - almasssss (2210), Rated Blitz game, lichess.org, 2019. (=1.c4 Nf6 2.Nc3 d6 3.Nf3 g6 4.e3 Bg7 5.b4 0-0 6.Bb2)

7.b5 b6

8.d3 Bb7 9.Be2 d5 10.cd5 Nd5 11.Qc2 (11.Qd2 e5=) 11...Nb4 12.Qb1 Bf3 (12...a6 13.a3 Bf3 14.gf3 Bc3 15.Bc3=+) 13.gf3 (13.Bf3 Qd3 14.Qd3 Nd3 15.Kd2 Nb2 16.Ba8 Nc4 17.Kd3 Na3=) 13...Nd7 (13...a6 14.a3 Bc3 15.Bc3=+) 14.a3 Bc3 15.Bc3 Nd5 16.Bb2 e5 (16...e6 17.Qc1=) 17.h4 (17.f4 ef4 18.Bf3 Nc7 19.Ba8 Qa8=) 17...h5 18.Bd1 (18.f4 ef4 19.Bf3 Nc7 20.Ba8 Qa8=) 18...Qe7 (18...Nc7 19.a4=) 19.Bb3 N5f6 (19...Qd6 20.Rg1=) 20.d4 (better 20.Bc4=) 20...ed4?? (better 20...Kh7 21.d5 a6=) 21.Qg6+- Kh8 22.Qh6 Nh7 23.Kf1 (23.Qh5 a6 24.ba6 Ra6+-) 23...Qf6 (better 23...Ndf6!?+/-) 24.Qh5+- Rg8 (24...Ne5 25.Bc2 Ng6 26.Qf5+-) 25.ed4 (25.Qf7 Qf7 26.Bf7 Rg7+-) 25...cd4?! (25...Rg7 26.Rg1 Rg1 27.Kg1 Qg7 28.Kf1+-) 26.Rd1 (26.Qf7 Rg7 27.Qf6 Ndf6+-) 26...Ne5 (26...Qg7 27.Qf7 Qg2 28.Ke2 Rae8 29.Be6 Rgf8 30.Qd7 Qf3 31.Kd2 Qf2 32.Kc1 Qe3 33.Kb1 Qe4 34.Ka2 Qe6 35.Qe6 Re6 36.Rd4 Nf6+-) 27.Bd4 (27.Bd4 Qg7 28.Bf7+-) 1-0. pacal56 (2205) - mecker (2200), Rated Blitz game, lichess.org, 2014.

8.g3 Bb7 9.Bg2 Qc7 10.–0 Nbd7 11.d3 Rac8 12.e4 e5 13.a4 a5 14.Bh3 Rce8 15.Bc1 h5 16.Bd2 Bc8 17.Qc1 Nh7 ½–½. Busch,Arno (1640) – Rada,Klaus (1630), DSB Derby Seniors 3rd, 2004. (=1.Nf3 d6 2.c4 Nf6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.Nc3 c5)

7.bc5 dc5

8.Be2 Nc6 9.0-0 Bf5 10.d3 Qc7 11.Nb5 Qb6 (11...Qd7 12.d4=) 12.Rb1 a6 (12...Qd8 13.Ne5=) 13.Nc3 Qc7 14.Qd2 Rad8 15.Rfd1 (15.Nd5 Qd7+=) 15...Nb4= Pawn d3, live or die! 16.Ne1 Ng4 17.Bg4 Bg4 18.f3 Bf5 (18...Be6 19.Na4 Bh6 20.a3=) 19.e4 (19.Ne4 Be4 20.fe4 e5=) 19...Bd4= 20.Kh1 Be6 (20...Bc8 21.a3 Nc6 22.Nd5+=) 21.a3 Nc6 22.Nd5 Bd5 23.cd5 Bb2 24.Qb2 Na5 25.Rdc1 b5 26.d4 (26.Qc2 c4=) 26...Nc4 27.Qf2 Rc8 28.Nd3 (28.a4 cd4 29.Qd4=) 28...Na3 (28...cd4 29.Qd4 Qa5 30.Ra1=) 29.Rc5 (29.Ra1 Nc4 30.dc5 a5+=) 29...Qa5 (29...Nb1 30.Rc7 Rc7 31.Qa2+=) 30.Qa2 Rc5 31.dc5 Qa4 (better is 31...Qc3!? 32.Rb3 Qc2 33.Qc2 Nc2+/-) 32.Rb3 Nc4 33.Qa4 ba4 34.Rb4 a3 (34...Ne3 35.Ra4 Rb8 36.Rb4+–) 35.Nc1 (better is 35.Rc4 a2 36.Rc1+–) 35...Nd2 36.Na2 (36.c6 Kg7+–) 36...Rc8 37.c6 a5 38.Rb7 Kg7 (38...Kf8 39.Kg1+/-) 39.h3 (better is 39.Re7 Kf6 40.Rb7+–) 39...Kf6+/- 40.Kg1 e6 41.Rb5 (41.Kf2 ed5 42.ed5 Ke5+/-) 41...Nc4 (41...Ke5 42.Kf2+=) 42.Rc5 ed5 43.ed5 Nb6 44.Ra5 Ke5 45.Ra3 (45.Nc3 Nc4 46.Ra4+–) 45...Nd5= 46.Ra5 Rc6 (46...Kd6 47.Nc1=) 47.Nb4 Rd6 48.Nd3 (48.Kf2 h5=) 48...Kf6 (48...Kd4 49.Nc1+=) 49.Nf2 Nc3 50.Ne4 (50.Ra3 Ne2 51.Kh2 Kg7=) 50...Ne4+= 51.fe4 Re6 (51...Rd4 52.Ra6 Ke7 53.Ra7 Ke6 54.Ra6 Ke5 55.Ra7=) 52.Ra4 Kg5 53.g3 h5 54.Ra5 (54.Kg2 h4=) 54...Kf6 55.Ra4 g5 (55...Rc6 56.Kf2=) 56.Kf2= Kg6 57.Ke3 f5 Black prepares the advance g4 58.Kf3 g4 59.hg4 hg4 60.Kf4 fe4 61.Re4 ½–½. Puche Rodriguez,Pedro – Baez Luis,Adrian, Torneo de Primavera Fundacion CajaCanar, 2016. (=1.c4 g6 2.Nc3 Bg7 3.b4 Nf6 4.Bb2 0-0 5.Nf3 d6 6.e3 c5 7.bc5 dc5)

8.Be2 Bf5 9.0-0 Nc6 10.a3 e5 11.d3 e4 12.Ne1 Ne5 13.d4 cd4 14.ed4 Neg4 (14...Nc6 15.d5 Ne5 16.Qb3=) 15.Bg4 (better is 15.h3!? Nh6 16.g4+/-) 15...Bg4 16.Ne2 Rc8 17.Rc1 Bh6 18.Rc3 Re8 19.h3 e3 20.hg4 ef2 21.Rf2 Ng4 22.Rf4?? (better is 22.g3=) 22...Bf4–+ 23.Nf4 (23.Nf3 Be3 24.Kf1 Qf6–+) 23...Qh4 (23...Qd4! 24.Kh1 Qd1 25.g3 Re1 26.Kg2 Rh1 27.Ng6 Rh2) 24.Nf3–+ Qf2 25.Kh1 Qb2 26.Rc2 Qa3 27.Nd5 Qd6 28.Qg1 b5! 29.Nc3 bc4 30.Nb5 Qd5 31.Na7 Qh5 (31...Qh5 32.Nh2 Re1 33.g3 Qd5 34.Nf3 Qf3 35.Rg2 Nf2 36.Kh2 Qh5) 0–1. Klein,Reinhard – Meyer,Karlheinz, Bayern–chI Bank Hofmann 2nd, 1998. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.Nc3 c5 7.bc5 dc5)

8.Be2 Bf5 9.Qb3 Nc6 10.0-0 b6 11.d3 Qd7 12.Rad1 Rad8 13.d4 Qc7 14.Qa3 Nb4 15.Rd2 h6 16.Rfd1 Bc2 17.Rc1 Bf5 18.d5 Qb8 19.Qa4 Bd7 20.Qb3 g5 21.a3 Na6 22.Bd3 Nc7 23.Ne2 Qc8 24.Ng3 Qa6 25.Bb1 Nfe8 26.Bg7 Ng7 27.d6 Ba4 28.Qc3 Rd6 29.Rd6 ed6 30.Qf6 (30.Qf6 Rc8 31.Qh6+– (31.Qd6?! b5 32.Qd3 Qg6+–)) 1–0. Degterev,Pavel (1770) – Suarez,Ron (1715), IECG, 2006.

6.Nc3 c6

7.d4 c5 8.bc5 dc5 9.Be2=.

7.d4 Qc7 8.Bd3+= Nbd7 (8...Qb6 9.b5+=) 9.0-0 e5 10.c5 (10.Re1 a5 11.b5 Re8+=) 10...d5 (10...ed4 11.ed4 (< 11.Nd4 dc5 12.bc5 Nc5–/+) 11...b6 12.cb6 ab6 13.Re1=) 11.de5 Ne5 (11...Ng4 12.e4 Nde5 13.Ne5 (13.ed5?? Nf3 14.Qf3 Qh2) 13...Qe5 14.g3=+) 12.Nb5 Nf3 13.Qf3 Qe7 (13...cb5 14.Bf6 Bg4 15.Qg4 Bf6 16.Rad1+/-) 14.Nd6+/- Ne8 (14...Rd8 15.Rfd1+/-) 15.Bg7 Kg7 16.Ne8 (16.Qf4 Qf6 17.Qf6 Nf6+=) 16...Re8+= 17.Qf4 (17.Rfd1 Qf6+=) 17...f6 (17...Qf6 18.Qf6 Kf6 19.b5=) 18.Qd4 (18.Qf3 Be6+=) 18...Qe5 19.a4 Bf5 20.Qe5 (20.Bf5 Qf5 21.b5 Qe4+=) 20...fe5= 21.Bf5 gf5=+ 22.Rfd1 Kf6 23.Kf1 Ke6 24.a5 a6 25.Rd3 Rg8 26.f4 Rg4 27.g3 Rag8 28.Ra2 h5 29.Rg2 Re8 30.Re2 Kf6 31.Re1 ef4 32.ef4=+ Re4 33.Re4 fe4 34.Rd4 Kf5 35.Kf2 h4 36.Rd1 Rg7 37.Kg2 hg3 38.hg3 Rh7 39.Rh1?? Rh1–+ 40.Kh1 e3 41.Kg2 Ke4 42.Kf1 d4 (43.Ke2 d3 44.Kf1 Kf3–+) 0–1. Staffeldt,Sven – Mielke,Moritz, NRW–ch U20 Muenster, 1994.

7.Be2 a6 8.d4 Bf5 9.0-0 Ne4 10.Ne4 Be4 11.Bd3 Bd3 12.Qd3 d5 13.c5 Nd7 14.Rfe1 e6 15.e4 a5 16.a3 de4 17.Qe4 Nf6 18.Qe2 Qd5 19.Ne5 ab4 ½–½. ramoschessbrasil – rgpchesspeii (1980), net–chess.com, 2011.

7.Be2 Nbd7 8.d4 a6 9.0-0 b5 10.d5 (10.cb5 ab5 11.a4 ba4 12.Ra4+=) 10...Bb7 (better is 10...c5!? 11.a3 bc4 12.Bc4 Nb6=) 11.dc6+/- Bc6 12.cb5 ab5 13.Nd4 Bb7 14.Ncb5 Qb6 15.a4 Rfc8 16.a5 Qd8 17.Nc3 Rab8 18.b5 e5 19.Nb3 Nc5 20.Nc5 Rc5 21.a6 Ba8 22.Qb3 Nd7 23.Na4 Qg5 24.f3 Rcc8 25.b6 Nb6 26.a7 (26.Nb6?! Rc6 27.Qd3 Rbb6+=) 26...Rb7 27.Ba6 Na4 28.Bb7 Nc5 29.Rac1?? (better is 29.Rfc1 Rc7 30.Rc5 Rb7 31.Rc8 Bf8 32.Qc3 Ra7 33.Ra7 Bf3 34.Qd2+–) 29...Bb7? (29...Nb3 30.Rc8 Bf8 31.Ra8 Qe3 32.Kh1 Kg7+–) 30.Rc5! (30.Rc5 dc5 31.Qb7+–) 1–0. Matveenko,Yury (2145) – Skripchenko,Vladimir N (1890), Voronezh op–B, 2008. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.Nc3 c6)

7.Be2 e5 8.d3 Re8 9.Qc2 Nbd7 10.0-0 b6 11.a4 a5 12.b5 c5 13.e4 Nh5 14.Nd5 Ndf6 15.Nd2 Nd5 16.cd5 Nf4 17.Nc4 Bh3 18.g3 (better 18.Bf3!? Qg5 19.Bc1 Bg2 20.Bf4 ef4 21.h4 (21.Bg2? f3 22.Ne3 Ba1 23.Ra1 f5-+) 21...Qh4 22.Bg2 Ba1 23.Ra1+=) 18...Ne2-/+ 19.Qe2 Bf1 20.Rf1 Ra7 21.f4 ef4 22.Bg7 Kg7 23.Rf4 f5! 24.Qb2 (24.ef5 Re2 Pinning (24...Re2 Deflection)) 24...Qf6?? (better 24...Kg8-/+) 25.Qf6+= Kf6 26.Nd6 Rd8 (26...Rb8 27.Kf2+=) 27.Nc4+/- Rb7 28.e5 White intends d6 (28.d4!?+/-) 28...Ke7 29.d6 Ke6 30.h4 Kd5 31.Kf2 Re8 32.d4?? (better 32.Rf3+=) 32…Kc4-+ (32...Kc4 33.g4 cd4 34.gf5 Re5 35.fg6 hg6-+) 0-1. Galkin,A (2610) - Oleksiyenko,Mykhaylo (2590), chess24.com INT blitz, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Nc3)

7.Be2 Bg4 8.a4 e5 9.h3 Bf3 10.Bf3 d5 11.cd5 cd5 12.d4 ed4 13.Qd4 Nc6 14.Qf4 d4 15.Na2 de3 16.fe3 (16.Qe3?? Re8 17.0-0 Re3 18.fe3 Qe7–+) 16...Nh5 17.Bh5 Bb2 (worse is 17...gh5 18.Qg3 f6 19.0-0+/-) 18.Rd1 Qe7 19.Bg4 (19.Bf3!?+=) 19...Be5–/+ 20.Qc4 Bg3 21.Ke2 Rad8 22.Bf3 Rfe8 23.e4? (23.Qc3 Qe6 24.Nc1 Bf4 25.Rd8 Nd8–/+) 23...Rc8 (23...Qf6!? 24.Nc3 Nd4 25.Rd4 Rd4 26.Qb3–+) 24.Rd5 a5! 25.ba5 Na5! 26.Qb4 (26.Ra5 Qc7 Double attack (26...Rc4 Discovered attack; 26...Qc7 Decoy)) 26...Rc2 27.Rd2 (27.Kd3 Qc7 (worse is 27...Ra2 28.Qe7 Re7 29.Ra5+=) 28.Nc3 Nc6–/+) 27...Rd2 28.Qd2 Nc4 (28...Qc5 29.Kd1 Nc4–+) 29.Qd5?? (29.Qb4 Qe6–/+) 29...Ne5 (better is 29...Qa3 30.Qc4 Qb2 31.Kd3 Rd8 32.Qd5 Rd5 33.ed5 Qa3 34.Nc3 Be5–+) 30.Rd1 (30.Qb5!?–/+) 30...Qa3–+ 31.a5 (31.Nc1 Qa4 32.Kf1 Rc8–+) 31...Nc6 32.Rd3 Qa5 33.Qa5 Na5 34.Nb4 Nc6 35.Nd5 Rb8 36.Ke3 Kg7 37.Rb3 Be5 38.Be2 Nd4 39.Rb4? Ne2?? 40.Ke2–/+ Bd6 41.Rb5 Kf8 42.Nf6 Ke7 43.e5 Be5!–/+ 44.Ne4 f6–+ 45.Nc5 b6 46.Na6 Rb7 47.Nc5 Rc7 48.Na4 0–1. Medger,Gernot (1810) – Straenger,Horst (2045), Ruhrgebiet VK1, 2004. (=1.c4 d6 2.Nc3 g6 3.b4 Bg7 4.Bb2 Nf6 5.Nf3 0-0 6.e3 c6)

6.Nc3 Nbd7

7.d3 e5 8.Be2 Re8 9.0-0 h6 10.Qc2 Nf8 11.Rfd1 N6h7 (11...Ne6 12.a3=) 12.d4+= White plans c5 12...g5 (12...ed4 13.Nd4 Ne6 14.Nd5+=) 13.de5+/- g4 14.Nd4 Be5 15.c5 (15.Nf5 h5+/-) 15...Qh4+= 16.g3 Qh5 17.Nd5 Ng5?? (better 17...dc5 18.Qc5 Nd7+=) 18.Nc7+- Bd4? (18...dc5 19.Ne8 cd4 20.ed4 Bh8+-) 19.Rd4 (19.Na8?! Bf5 20.Qd2 Bb2 21.Qb2 Nh3 22.Kg2 Be4 23.Kf1 dc5+/-; 19.Ne8 Bf5 20.Bd4 Re8+- (20...Bc2?? 21.Nf6 Kg7 22.Nh5 Kg6 23.Nf4 Kh7 24.Rd2+-); 19.ed4? Re2 20.Qe2 Nf3 21.Qf3 gf3-+) 19...Ng6 (19...Bf5 20.Qc3 Nd7 21.Rg4 f6 22.Na8 Ra8 23.Qc4 Qf7 24.cd6 Bg4 25.Qg4 f5+-) 20.Ne8 Kf8 21.Nf6 Qh3 (21...Nh3 22.Kg2 Qf5 23.Rd6+-) 22.Qd1 (22.Rd6 Be6 23.Re6 Rd8+-) 22...Ne5 (22...Nf3 23.Bf3 gf3 24.Qf3+-) 23.Rf4 (23.Rd6 Kg7 24.Be5 Be6 25.Nh5 Kh7 26.Qd3 Ne4 27.Qe4 Kg8 28.Rad1 Qh4 29.gh4 f5 30.Qb7 Bd7 31.Bc4 Kf8 32.Bg7 Ke8 33.Qd7) 23...Ngf3 24.Bf3 (24.Rf3 Nf3 25.Bf3 gf3 26.Qd6 Kg7 27.Nh5 Kh7+-) 24...gf3 25.Qf1 (better 25.Rf3 Nf3 26.Qf3+-) 25...Qe6 (25...Qf1 26.Kf1 Nd3 27.cd6 Bh3 28.Kg1 Nb2+-) 26.cd6 Ng6 27.Rc4 (27.Re4 Ne5 28.Nh7 Kg8 29.Re5 Qe5 30.Be5 Kh7 31.Qd3 f5 32.d7 Kg6 33.Qd6 Kh5 34.d8Q Be6 35.Qe6 Rd8 36.Qf5) 27...Qd6 (27...Bd7 28.Re4 Qh3 29.Qh3 Bh3 30.g4 Bg4 31.Rg4+-) 28.Rd1 Qb6 29.Rcd4 (29.Rc8 Rc8 30.Nd7 Ke7 31.Nb6 ab6 32.Qd3 f5 33.Qd7 Kf8 34.Qc8 Kf7 35.Qf5 Ke8 36.Bg7 Ne5 37.Qe6) 29...Be6 30.Rd6 Qc7 31.Be5! Qe7 (31...Ne5 32.Qb5 Decoy) 32.Qd3 (32.Rd7 Bd7 33.Bd6 Qd6 34.Rd6 Be6+-) 32...Kg7?? (32...Ne5 33.Nh7 Kg7+-) 33.Nd5 (better 33.Nh5 Kh7 34.Qd4 Ne5 35.Qe5 Qg5 36.Re6 Qe5 37.Re5 Kg8+-) 33...Ne5 34.Ne7 Nd3 35.R1d3 Re8 36.Nd5 Bd5 (36...Rc8 37.Rc3+-) 37.R3d5 Rc8 (37...Re4 38.Rd4 Re7 39.Rd7+-) 38.Rd4 (better 38.Rc5!? Rf8+-) 38...Rc2 39.Rd1 (better 39.Rd2!? Rc1 40.Rd1 Rc2+-) 39...Ra2 40.R6d4 Ra4 (40...Rb2 41.Rf4 f5 42.h4+-) 41.Rf4 b5 (41...b6 42.h4 a5 43.Rd7 Rb4 44.Rdf7 Kg8 45.Rb4 Kf7 46.Rb6+-) 42.Rf3 Rb4 43.Rd7 Rb1 (43...a5 44.Rdf7 Kg8 45.Ra7+-) 44.Kg2 Kg6 (44...h5 45.Rdf7 Kg8 46.Rf8 Kh7 47.R3f7 Kg6+-) 45.Rdf7 h5 (45...Rd1 46.R3f6 Kh5 47.Rg7 Rg1 48.Kg1 a5 49.Rf5) 46.R7f6 (46.R3f6 Kg5 47.f4 Kg4 48.h3) 46...Kg5 (46...Kg7 47.R3f5 Rb4+-) 47.h4 Kg4 48.R6f4 (48.Rg6) 1-0. GaMbit9285 (2660) - Banjovi (2710), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A05: Reti Opening: 1 Nf3 Nf6 1...Nf6 2.e3 g6 3.c4 Bg7 4.Nc3 d6 5.b4 0-0 6.Bb2)

7.d4 c5 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 – Sakellarakis, email 1999.

7.d4 e5 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).

7.Be2 b6 8.0-0 Bb7 9.Qc2 c5 10.b5 Re8 11.d4 (11.h3 Qc7=) 11...cd4+= 12.ed4 d5 (12...e5 13.Rfe1=) 13.Ne5 Rc8 14.Qb3 (14.Rad1 dc4 15.Nc4 Nd5 16.Nd5 Bd5=) 14...e6+= 15.Rac1 (15.Qa3 Ne5 16.de5 Nd7 17.cd5 Be5–/+) 15...dc4 (15...Ne5 16.de5 dc4–/+) 16.Bc4?? (16.Nc4 Qc7 17.Ba3 Bf8+=) 16...Ne4?? (better is 16...Ne5 17.de5 Ng4–+) 17.Ne4+= Be4 18.Rfd1 (18.Qe3 Bb7+=) 18...Nf6 (18...Qg5 19.Qg3 Qg3 20.hg3=) 19.Bd3 (19.Qa4 Rc7=) 19...Bd5 (19...Bd3 20.Rc8 Qc8 21.Rc1=) 20.Rc8 (20.Qa4 Qe7+=) 20...Qc8= 21.Bc4 Bb7 22.a4 Nd5 23.Rc1 Qa8 24.Nc6+= Ne7? 25.d5?? Bb2 26.de6+= Bc1 27.ef7 Kf8 28.Qc3 Nc6 29.Qh8?? Ke7–+ 30.fe8Q Qe8 31.Qh7 Kd8 32.Qh4 0–1. Natali,Peter – Kowalski,Hans Michael, Oberschwaben ch–B, 1991.

7.Be2 a5

8.a3=.

8.b5 c5 9.0-0 Nb6 10.d4 Be6 11.Nd2 cd4 12.ed4 Rc8 13.Qb3 Ng4 14.h3 Nh6 0–1. nizinna – kkadonas (1725), kurnik, 2011. (=1.c4 d6 2.Nc3 g6 3.b4 Nf6 4.Bb2 Bg7 5.e3 0-0 6.Nf3)

7.Be2 c5

8.b5 b6 9.d4 Re8 10.d5 h6 11.0-0 Nf8 12.a4 Qc7 13.a5 Bb7 14.Ra2 e6 (14...ba5 15.Qd3+=) 15.Qa1 e5 16.e4 g5 (16...a6 17.ab6 Qb6 18.ba6 Ra6 19.Ra6 Ba6 20.Rb1+=) 17.Nd2 Ng6 18.g3 Rf8 19.Nd1 a6 20.ab6 Qb6 21.Ne3 ab5 22.cb5 Ra2 23.Qa2 Ra8 24.Qb3 Bf8 (24...Bc8 25.Nec4 Qd8 26.b6+/-) 25.Ra1 (25.Ndc4 Qc7 26.Qc2 Bc8+/-) 25...Ra1+= 26.Ba1 Qc7 27.Qa4 Nd7 28.Ndc4 Ne7 29.Qa5 Qb8 30.Bg4 Nf6 31.Nd6 (better is 31.f3+/-) 31...Qd6?? (31...Ned5 32.Nf7 Kf7 33.ed5 Bd5 34.Nd5 Ng4+/-) 32.Nc4+– Qb8 33.Be5 (33.Be5 Qe8 34.Bf6+–) 1–0. Gubajdullin,Alexei (2355) – Ivanov,Rostislav (2130), 2015. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Nc3 Nbd7)

8.b5 b6 9.d4 Re8 10.e4 g5 (10...Bb7 11.Qc2 cd4 12.Nd4 Rc8+=) 11.Nd2 (11.Ng5 cd4 12.Qd4 h6=) 11...Rf8 (11...cd4 12.Ncb1–/+) 12.Qb3 (12.d5 Ne5+=) 12...Qc7 (12...cd4 13.Nd5 Nc5 14.Nf6 Bf6 15.Qg3–/+) 13.Qa4 (better is 13.d5!?+=) 13...Qb8 (13...cd4!? 14.Nd5 Qd8+=) 14.Bg4 (14.Bg4 cd4 15.Nd5 Nd5 16.cd5–+). Gubajdullin,Alexei (2355) – Ivanov,Ro (2130), Chigorin Memorial, 2015. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Nc3 Nbd7)

7.Be2 e5

8.d3 c5 9.bc5 (9.Qb3 cb4 10.Qb4 Qb6=) 9...Nc5 (9...dc5 10.Rb1=) 10.0-0 (10.d4 ed4 11.ed4 Nce4=) 10...b6 (10...Re8 11.d4 ed4 12.Nd4= (worse is 12.Qd4 Nfe4 13.Qg7 Kg7 14.Ne4 Kh6–/+)) 11.Qc2 (11.d4 ed4 12.ed4 Nfe4+=) 11...Bb7 (11...Re8 12.e4=) 12.Rab1 Re8 13.e4 Qd7 14.Rfd1 a6 (14...Rac8 15.Bc1=) 15.h3 (15.Bc1 Qc7+=) 15...Bc6 (15...Rec8=) 16.d4 (16.Bc1 Qc7=) 16...Nce4 (16...ed4 17.Nd4 Be4 18.Ne4 Nfe4 19.Re1–/+) 17.d5 (better is 17.de5 Nc3 18.Qc3+=) 17...Nc3–/+ 18.Bc3? (better is 18.Qc3 Ba4 19.Re1–/+) 18...Ba4–+ 19.Qd3? (19.Rb3 Rac8–+) 19...Bd1 (19...e4 20.Qe3 Bd1 21.Ne5 de5 22.Rd1–+) 20.Bd1? (20.Qd1 Ne4 21.Be1 Qc7–+) 20...Rab8 21.Rb4? a5 22.Ne5 de5 23.Ba4 (23.Ba4 Qc7 24.d6–+) 1–0. coloplayah (1960) – ermizhad (1705), net–chess.com, 2005.

8.d3 Re8 9.0-0 h6 10.Qc2 Nh7 11.Rfd1 f5 12.Rac1 g5 13.Nd2 g4 (13...Nhf6 14.a3+=) 14.c5 (14.Nb3 c5+/-) 14...Ndf6 (14...dc5!? 15.e4 Nhf6=) 15.cd6+/- cd6 16.Nb5 Re7 (16...Nd5 17.d4 a6 18.Bc4+/-) 17.Nc7 (17.d4 e4+/-) 17...Rb8 (17...Rc7 18.Qc7 Qc7 19.Rc7+/-) 18.Qb3 (18.d4!? e4 19.d5+/-) 18...Kh8+= 19.Nb5 a6 20.Nc3 Be6 21.Qa3 h5 (21...Ng5 22.d4 ed4 23.ed4=) 22.Nc4 h4 (22...b5 23.Nd2+=) 23.b5 (23.d4!? ed4 24.Rd4+/-) 23...Ne8+= 24.ba6 ba6 25.Na5 Qb6 26.Ba1 g3? (better 26...h3+=) 27.Rb1+- (worse 27.hg3 Rc7 28.gh4 Qc5+-) 27...gf2 28.Kf2 Qc7 29.Rb8 Qb8 30.Nc6 Qc7 31.Ne7 Qe7 32.Qa6 h3 33.g3 (33.Qc6 hg2 34.Qg2 Qh4 35.Qg3 Qh6+-) 33...f4 34.Ne4 (34.gf4!? ef4 35.Qb6 Be5+-) 34...fe3 35.Ke3 (better 35.Kg1+-) 35...d5= 36.Qb5 (36.Kf2 de4 37.de4 Ng5-/+) 36...de4=+ 37.Be5 (37.de4? Qa7 38.Kd2 Nd6-+ (38...Qa2 39.Ke1 Nhf6 40.Be5=)) 37...Qg5 (37...ed3 A) 38.Kd3 Bf5 39.Kd4 Qa7 40.Kc4 Qa2 41.Kb4 Qf7 42.Bg7 Ng7=+; B) 38.Bd3 Bd7 (38...Ba2?! 39.Bh7 Be5 40.Qa4-+) 39.Qc4 Qe5 40.Qe4 Qc5 41.Ke2 Nef6-+; C) 38.Bg7 Ng7 39.Kd3 Qa3 40.Kd2 Qa2 41.Ke1=) 38.Kd4= Nhf6 39.de4 Kh7 40.Rf1?? (better 40.Qc6 Ng4 41.Qe6 Qe3 42.Kd5 Qe2 43.Qf5 Kg8 44.Qe6 Kh7 45.Qf5 Kg8 46.Qe6 Kh7=) 40...Nd6-+ (40...Ba2 41.Bf6 Qb5 42.Bb5 Nf6 43.Rf6 Bf6 44.e5+=) 41.Qc5 (41.Qb4 Ng4 42.Bg4 Be5 43.Kd3 Qg4 44.Kd2 Ba2 45.Re1-+) 41...Nfe4 (better 41...Qd2 42.Bd3 Ng4 43.Bg7 Qe3 44.Kc3 Qc5 45.Kd2 Kg7-+) 42.Bd3=+ Bf5?? (better 42...Kg8 43.Qa5 Nc3 44.Kc3 Be5 45.Kc2 Kg7=+) 43.Rf5?? (better 43.Qc7 Ng3 44.Bg7 Qg4 45.Kd5 Nf1 46.Bd4 (46.Bf1? Ne8 47.Qe5 Ng7-+) 46...Kh6 47.Qd6 Kh5 48.Bf1 Qf3 49.Kc5 Qf1 50.a4+/-) 43...Nf5?? (better 43...Qf5 44.Qd6 Nd6 45.Bf5 Nf5 46.Ke4 Kg6+=) 44.Ke4+- Ng3 (44...Ne7 45.Kf3 Kg8 46.Qc4 Kf8 47.Bg7 Kg7 48.Qg4+-) 45.Kd5 Nf5 46.Qc6 (better 46.Qd6+-) 46...Qg6?? (46...Qg2 47.Kc5 Qf2 48.Kb5 Be5=) 47.Qg6+- Kg6 48.Bf5 Kg5 (48...Kg5 49.Bg7 Kf5+-). gmagalkin (2475) - Banjovi (2595), Rated Bullet game, lichess.org, 2019. (=1.Nf3 A16: English Opening: 1...Nf6 with ...d5 1...g6 2.e3 Bg7 3.c4 Nf6 4.Nc3 0-0 5.b4 d6 6.Bb2)

8.d3 Re8 9.Qc2 h6 10.0-0 Nh7 (10...Nb6 11.Ne4=) 11.a4 f5 (11...Nhf6 12.a5+=) 12.b5 g5 13.a5 Ndf6 (13...a6 14.Nd2+=) 14.Qb3 (14.d4 g4 15.Nd2 ed4 16.ed4 Ng5+=) 14...Be6 (14...Nf8 15.d4+=) 15.Nd5 (15.a6 Rb8+/-) 15...c6 16.Nf6 Nf6 17.Ba3 (17.d4 g4 18.Nd2 cb5 19.Qb5 Qc7+=) 17...c5 (17...g4 18.Nd2=) 18.Bb2+= g4 19.Nd2 h5 20.Rfd1 h4 21.Bf1 (21.d4 ed4 22.ed4 Nd7+=) 21...g3= 22.fg3 (22.Be2 a6=) 22...hg3 (better 22...Bh6!? 23.Be2 Be3 24.Kh1 hg3=+) 23.h3+= (worse 23.hg3 Bh6 24.Be2 Be3 25.Kf1 a6-/+) 23...Nh5 24.Re1 Qh4 25.Nf3 Qf6 26.d4 (26.a6 Bc8+=) 26...cd4= 27.ed4 e4 28.Nd2 Rad8 (28...Qh6 29.Rad1=) 29.Rab1 (29.Be2!? Bf7 30.a6+=) 29...d5 30.cd5 (30.Be2 Qg5=) 30...Bd5=+ (worse 30...Rd5 31.Bc4 Rd4 32.Kh1+=) 31.Bc4 Bc4 32.Nc4 Kh7 The isolani on d4 becomes a target (32...Qe6!?=+) 33.d5 (33.Ne5 Qe7+=) 33...Qg6 (33...Qg5 34.Bg7 Ng7 35.Rbd1=) 34.Bg7+= Qg7 35.d6 f4 36.Qc2 (36.Rbd1=) 36...Qg6 (36...Qd4 37.Kf1 Nf6 38.Rbc1=) 37.Rbd1 (37.b6 ab6 38.Rb6+/- (38.ab6?! f3 39.gf3 ef3 40.Qg6 Kg6 41.Re8 Re8=)) 37...f3 38.gf3 ef3 39.Qg6 Kg6 40.Re8 Re8 41.d7 f2 42.Kg2 (better 42.Kf1 Rd8 43.a6 ba6 44.Ne5 Kh7 45.Nc6+- (45.ba6?! Nf6+-)) 42...Re1? (better 42...Rd8 43.Rd6 Kf5 44.Rd5 Kg6 45.Ne5 Kg7+=) 43.Ne3?? (better 43.Rd6 Kf7 44.Nd2 Rg1 45.Kf3 f1Q 46.Nf1 Rf1 47.Ke2+-) 43...Nf4 (better 43...f1Q 44.Nf1 Rd1 45.Ng3 Rd7-+) 44.Kf3? (44.Kg3 Rd1 45.Kf4 (worse 45.Nd1 f1Q 46.a6 Ne2 47.Kg4 Qf4) 45...Rd7 46.Kf3-+) 44…Rd1 (44...Rd1 45.Kg3 Rd7 46.Kf4 Re7-+) 0-1. GaMbit9285 (2605) - Banjovi (2655), Rated Bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.e3 g6 3.c4 Bg7 4.b4 0-0 5.Bb2 d6 6.Nc3)

6.Nc3 e5

7.Qb3 h6 8.Be2 Nc6 9.b5 Nb8 10.d4 ed4 11.ed4 Re8 12.0-0 Bf5 13.Rfe1 Nbd7 14.a4 Nf8 15.Nd1 g5 16.Ne3 Bg6 17.Nd2 Qc8 18.Bd3 Bd3 19.Qd3 Ng6 20.g3 Ne7 21.Re2 Qh3 22.Rae1 Rad8 23.Ne4 Kf8 24.Nf6 Bf6 25.Qh7 c6 26.f3 h5 27.Qh6 Bg7 28.Qg5 f6 29.Qf4 Kf7 30.d5 Ng6 31.Qf5 Qf5 32.Nf5 Re2 33.Re2 cd5 34.cd5 Bf8 35.Re6 Ne5 36.f4 Ng4 37.h3 1–0. E Teichmann – Buckmire, 1985.

7.d3 a5 8.a3 c6 9.Be2 Re8 10.0-0 Bf5 11.Qb3 Nbd7 12.h3 Qb6 13.Na4 Qc7 14.Rfc1 h6 15.Nc3 Qb6 16.Nd2 Be6 17.Bf3 Ra7 18.Na4 Qd8 19.b5 d5 20.cd5 cd5 21.Qc2 b6 22.Qd1 ½–½. Benko – Kochiev, Spartak–Burevestnik.

7.d3 Re8 8.Be2 c6 9.0-0 d5 10.cd5 cd5 11.Rc1 a6 12.Na4 Nc6 13.a3 Re7 14.Rc2 Bd7 15.Nc5 Be8 16.Qa1 Qd6 17.Rfc1 Rd8 18.d4 e4 19.Ne5 Nb8 20.a4 Qb6 21.Ba3 Nfd7 22.Ned7 Bd7 23.b5 Ree8 24.ba6 ba6 25.Rb2 Qa7 26.Nb7 Rc8 27.Bc5 1–0. Ostl – Arnold, Eppingen 1988.

7.d4 ed4 8.Nd4= (worse is 8.Qd4 Nc6 9.Qd2 Nb4–/+).

7.Be2 Qe7 8.d4 c6 9.a3 Ne8 10.de5 de5 11.c5 e4 12.Nd2 f5 13.0-0 Be6 14.Bc4 Bc4 15.Nc4 Nd7 16.Qe2 Nef6 17.Rfd1 Rad8 18.h3 h6 19.Rd2 Nh5 20.Rad1 Ne5 21.Rd8 Rd8 22.Rd8 Qd8 23.Ne4 Qd5 24.Ned6 Nc4 25.Nc4 Bb2 26.Nb2 Kf7 27.Qc4 Ke6 28.g4 Ng7 29.f3 Qc4 30.Nc4 Kd5 31.Nd6 b6 32.gf5 gf5 33.cb6 ab6 34.Nf5 Ne6 35.Nh6 Kc4 36.Nf5 Kd3 37.h4 c5 38.bc5 bc5 39.h5 c4 40.h6 c3 41.h7 c2 42.h8Q c1Q 43.Kg2 Qd2 44.Kg3 Qe1 45.Kg4 Qg1 46.Ng3 Qe3 47.Qh7 Kc3 48.Ne4 Kc4 49.Qf7 ½–½. Arno de Visser – Roebers, 1984.

7.Be2 e4!

8.Nd4 c5 9.Nc2 Nc6 10.b5 Ne5 11.0-0 Be6 12.Na3 Re8 13.Qc2 Bf5 14.Qb3 h5! 15.Nd5 Nd5 16.cd5 h4 17.f4! ef3 18.gf3 h3 19.Kh1 Qh4 20.Qc3 Bf6 21.Nc4 Ng4 22.Qb3 Bb2 23.Nb2 Ne5 24.Nc4 Rad8 25.Rac1 b6 26.a4 Bc8! 27.f4 Bg4! 28.Bg4 Ng4 29.Rf3 Nf2 30.Kg1 Ne4 31.Qd1! Qg4 32.Rg3 Qf5 33.Qf3 Ng3 34.hg3 Kg7 35.g4 Qd3 36.Kh2 Re4 37.Rc3 Qd5 38.d3 Rd4 39.Qd5 Rd5 40.Kh3 g5 41.f5 Rh8 42.Kg3 Kf6 43.Kf3 Re5! 44.Ne5 Ke5 45.d4! Kf6 46.dc5 dc5 47.Rd3 Ke7 48.a5! Rh1 49.Ke4 Rb1 50.ab6 ab6 51.Ke5 f6 52.Kd5 Rb5 53.Ra3 ½–½. Sokolski – Holmov, Kiev 1954.

8.Nd4 c5 9.Nc2 Nc6 10.b5 Ne5 11.d4 ed3 12.Bd3 Be6 13.Qe2 Re8 14.0-0 Nd3 15.Qd3 Bf5 16.Qe2 Ne4! 17.Ne4 Bb2 18.Rab1 Be5 19.Ng3 Bc2? 20.Qc2 Bg3 21.hg3 Qf6 22.Rbd1 Re6 23.Rd5 b6 24.Rfd1 1–0. Ranby – Bivens, corr 3GMM–24 1994–96.

8.Nd4 c5 9.bc5 dc5 10.Nb3 Qe7 11.0-0 Rd8 12.f3 ef3 13.Bf3 Nbd7 14.Kh1 Ne5 15.Nd5 Nd5 16.Bd5 Be6 17.Be6 Qe6 18.Nc5 Qc4 19.Be5! Be5 20.d4 Qd5 21.Qb3 b6 22.Na6? Qb3 23.ab3 Bd6–+ 24.Rac1 Rac8 25.Kg1 f5 26.b4? Re8 27.Kf2 f4! 28.ef4 Bf4 29.Rc8 Rc8 30.h3? Rc3!–+ . Westerinen – Dueball, Dortmund 1973.

6.d3 a5

7.a3 ab4 8.ab4 Ra1 9.Ba1 c6 (9...Na6 10.Bc3=) 10.Nbd2 (10.Be2 Na6 11.Bc3 Bg4=) 10...Qb6 (10...Na6 11.Bc3=) 11.Qb3 Na6 12.Bc3 Bg4 (12...Bf5 13.Be2=) 13.Be2 Nd7 (13...e5 14.0-0+=) 14.d4+= c5 (14...e5 15.c5 dc5 16.dc5+= (worse is 16.bc5 Qb3 17.Nb3 ed4 18.Bd4 Be6=)) 15.b5 (15.bc5 Qb3 16.Nb3 Nac5 17.Nc5 Nc5+=) 15...Bf3 (15...cd4 16.ed4 Nc7 17.0-0=) 16.Nf3+= (worse is 16.gf3 cd4 17.Bd4 Nac5+=) 16...cd4 (16...Ra8 17.0-0+=) 17.ed4 e5 (17...Nc7 18.0-0+=) 18.c5 dc5 19.de5 (worse is 19.Ne5 Nab8 20.Bc4 Qf6+=) 19...Nc7 20.Bc4 Ne6 21.0-0 Re8 (21...Nd4 22.Bd4 cd4 23.e6+/-) 22.Rb1 (22.Rd1 Qd8+/-) 22...h6 (22...Re7 23.Re1+/-) 23.h4 (23.Rd1!? Qd8 24.b6+/-) 23...Re7+= 24.Qa2 (24.h5 gh5 25.Ra1 Qd8+=) 24...Ndf8 (24...Qd8 25.Qc2+=) 25.Rd1 Qc7 26.Rd6 (26.Re1 Nd7+=) 26...Qc8 (26...Nd4 27.Bd4 cd4 A) 28.Nd4? Re5 (28...Be5?! 29.Rd5+=) 29.Nf3 Qd6 30.Bf7 Kh7 31.Ne5 Qd1 32.Kh2 Be5 33.g3 Qg4–+; B) 28.Rd4?! Be5 29.Ne5 Qe5=; C) 28.b6+=) 27.g3 (27.Qd2 Rd7+/-) 27...Nf4 (27...Rd7 28.Rd5+=) 28.Qd2+/- N4e6 29.b6 (29.h5+/-) 29...Nd4 (29...Rd7!?+/-) 30.Bd4 cd4 31.Qd4 (31.Rd4?! Qc5+=) 31...Qf5 32.Qf4 Be5 (32...Qc8!?+/-) 33.Qf5+– gf5 34.Rh6 (34.Ne5 Re5 35.Bd5 Re7 36.Rh6 Rd7+–) 34...f4 (34...Nd7 35.Ne5 Ne5 36.Bb5+–) 35.g4 (35.Ne5 Re5 36.Rf6 Re7+–) 35...Kg7 36.g5 (36.Rh5 f6+–) 36...Nd7 (36...Bc3 37.Kg2+–) 37.Bd5 (37.h5 Nc5+–) 37...Nc5 38.h5 (better is 38.Ne5 Re5 39.Bf3+–) 38...Rd7? (38...Bc3+–) 39.Bf7 (39.Ne5 Rd5 40.Nf7 Kf7 41.g6 Kg8–+) 39...Rf7 40.Rg6 (40.Ne5 Rf5 41.Rg6 Kh8+–) 40...Kf8 (40...Kh7 41.Ne5 Rg7 42.Rg7 Kg7 43.Kg2+–) 41.Ne5 (41.Ne5 Re7 42.h6+–) 1–0. Lenic,Luka (2640) – Rade,Miroslav (2425), 21. TCh–CRO 1a, 2012. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 a5)

7.a3 e5 8.Nbd2 (8.b5 c6=) 8...b6 (8...Re8 9.b5=) 9.Be2 Bb7 (9...ab4 10.ab4 Ra1 11.Qa1=) 10.0-0 Nbd7 11.Qc2 Re8 12.Rfc1 (12.b5 e4 13.de4 Ne4 14.Bg7 Kg7+=) 12...c5 13.Bf1 Qc7 (13...cb4 14.ab4 ab4 15.Qb3=) 14.Qb3 (14.b5 d5=) 14...d5 (14...h6 15.e4=) 15.cd5 Bd5 (15...Nd5 16.ba5 Ra5 17.d4 ed4 18.Bd4 Bd4 19.Nd4=) 16.Qc2 ab4 17.ab4 Ra1 18.Ba1 e4 (18...Ra8 19.bc5 bc5 20.e4=) 19.de4+= Ne4 20.Bg7 Kg7 21.Bb5 Nd2 (21...Kg8 22.bc5 Nec5 23.Qb2+=) 22.Nd2 (22.Qd2 Bf3 23.Qd7 Qd7 24.Bd7 Re7 25.bc5 Rd7 26.gf3 Rc7+=) 22...Re7 (22...Rc8 23.Nb3+=) 23.Nb3 (23.Qc3 f6+=) 23...Bb3 (23...Qe5 24.bc5 Bb3 25.Qb3 Nc5 26.Qb1=) 24.Qb3 Nf6 (24...Qe5 25.Qc4+=) 25.bc5 bc5 26.Qc3 Re5 27.f4 (27.Bc4 Qe7+=) 27...Re6 (27...Re4 28.g4 Qb6 29.Bc4= (worse is 29.Qc5 Qc5 30.Rc5 Ng4–/+)) 28.Bc4 Rb6 29.Be2 Qe7 (29...Kg8 30.Bf3+=) 30.Bf3 (30.g4 Kg8 31.Qc5 Qc5 32.Rc5 Rb1 33.Kg2 Rb2+=) 30...c4 (30...Rb5+=) 31.Qd4 (31.e4!?+=) 31...Rd6= 32.Qe5 Re6 33.Qd4 Re3 34.Rc4 (worse is 34.Qc4 Re1 35.Re1 Qe1 36.Qf1 Qe3 37.Qf2 Qf4–/+) 34...Re1 35.Kf2 Rb1 (35...Rh1 36.Qe5 Qa7 37.Kg3=) 36.Kg3 (36.Qe5 Qa7 37.Kg3 Qa1+=) 36...Qe1= 37.Kh3 Qe6 38.Kg3 Qe1 39.Qf2 Qe6 40.Qd4 Qe1 ½–½. Rehorek,M (2300) – Machan,J (2075), CZE, Liga, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

7.b5 Nbd7 8.Be2 b6 9.0-0 e5 10.Nc3 (10.d4 Bb7+=) 10...Bb7 (10...Re8 11.Nd2+=) 11.Nd2 (11.Re1 Rc8+=) 11...Nc5 Black plans e4 12.Qc2 (12.d4 ed4 13.ed4 Ne6+=) 12...Re8 Black prepares the advance e4 (12...a4 13.a3+=) 13.Rad1 (13.Bf3 Bf3 14.Nf3 e4 15.de4 Nfe4+=) 13...e4 (13...c6 14.bc6 Bc6 15.d4 ed4 16.ed4=) 14.d4+/- Ne6 (14...Ncd7 15.f3 ef3 16.Bf3 Bf3 17.Rf3+=) 15.Na4 (15.a3 Qe7+=) 15...Nd7 16.f4 (16.a3 Qh4+/-) 16...ef3 (16...f5 17.Nb3+=) 17.Bf3 Bf3 18.Nf3 (worse is 18.gf3 Qg5 19.Kh1 Qe3–/+) 18...Ng5 19.Qb3 (19.Nc3 Nf3 20.Rf3 f5+=) 19...Ne4 20.Nd2 Ndf6 (20...Qg5 21.Rf3+=) 21.Ne4 Ne4 22.Nc3 Nc3 (22...Qe7 23.Ne4 Qe4 24.Rd3=) 23.Qc3 (worse is 23.Bc3 Re3 24.Qc2 Qe7–/+) 23...Re4 24.Rf4 (24.Rf3 Qe7=) 24...Qe7 25.Re4 Qe4 26.Qd3 (26.Rf1 Re8 27.Bc1 f5=) 26...Re8 27.Qe4 Re4 28.Kf2 f5 29.Kf3 (29.a3 Kf7=) 29...h5 30.h3 Kf7 31.Ba3 (31.g3 Bh6 32.Rd3 g5=) 31...Bh6 Attacking the backward pawn on e3 (31...h4 32.Rg1=) 32.Rd3 Ke6 33.g3 g5 34.c5 (34.Bb2 g4 35.hg4 hg4 36.Kf2 d5 37.cd5 Kd5+=) 34...Kd5 (34...dc5 35.dc5 bc5 36.Bc5+=) 35.cb6 cb6 36.Rc3 g4 37.hg4 fg4 (37...hg4 38.Ke2 Bg5 39.Bc1=) 38.Ke2 Re6 (38...Bg5 39.Bc1 h4 40.gh4 Bh4 41.Rc6=) 39.Bc1+= Ke4 (39...Rf6 40.Rc7+=) 40.Rc8 (40.Rc6!? h4 41.gh4+=) 40...d5= 41.Rh8 Rg6? (better is 41...a4+=) 42.Re8+– Kf5 43.Re5 Kf6 44.Rd5 (44.Rh5?! Bg5+/-) 44...Bg5 45.Rd6 Kf5 (45...Kf7 46.Rg6 Kg6 47.d5+–) 46.e4! Ke4 47.Rg6 Bc1 48.Rb6 Kd4 49.Rd6 Ke5 (49...Kc5 50.Rc6 Kb5 51.Rc1+–) 50.Rc6 (50.Rc6 Ba3 51.b6+–) 1–0. Akopian,Vladimir (2675) – Sindarov,Javokhir (2380), Sharjah, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

7.b5 Bg4 8.h3 Bf3 9.Qf3 c6 10.Be2 Qc7 11.Nc3 Nbd7 12.0-0 e5 13.Rab1 Rfc8 14.Rfd1 Nc5 15.Qg3 Ne6 16.Bf3 Qd7 17.Na4 Qc7 18.Ba1 Re8 19.bc6 bc6 20.Rb6 Nd8 21.Rb3 Nd7 22.d4 e4 23.Be2 Ne6 24.c5 Bf8 25.Bc4 d5 26.Qc7 Nc7 27.Rb7 Rec8 28.Be2 Rab8 29.Rdb1 Kg7 30.Bc3 Ra8 31.f3 ef3 32.Bf3 f5 33.Nb6 Nb6 34.R1b6 Be7 35.Rc6 Bd8 36.Bd5 Kh6 37.Rcc7 Bc7 38.Rc7 Rc7 39.Ba8 Kg5 40.c6 a4 41.Bb7 Kf6 42.d5 Kf7 43.d6 1–0. Bendig,Frank – Bordukalo,Roman, IECG, 2002.

7.b5 c5

8.Nbd2 b6 9.Qc2 Bb7 10.Be2 Nbd7 11.h4 e5 12.e4 Nh5 13.g3 Qe7 14.Nh2 Ndf6 15.Nb1 Bc8 16.Bc1 Be6 17.Bg5 Qd7 18.Nc3 h6 19.Bd2 Ng4 20.Ng4 Bg4 21.Bg4 Qg4 22.Qd1 Qd1 23.Rd1 f5 24.Nd5 Rab8 25.Rg1 Kh7 26.Ke2 Nf6 27.Nc3 Rb7 28.f3 Nd7 29.Rdf1 f4 30.g4 (30.gf4 ef4 31.Nd5 Be5+/-) 30...Bf6 31.Rh1 Kg7 32.Nd5 ½–½. Cruz Alvarez de Ron – Sande Edreira (2135), Galicia–ch Ferrol, 1995. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 a5)

8.Be2 Nbd7 9.0-0 e5 10.Qc2 Qe7 11.Nc3 Nb6 12.Rfe1 Bd7 13.Rad1 h5 14.Nd2 Rfe8 15.Nf1 d5 16.cd5 Nbd5 17.Nd5 Nd5 18.Bf3 Nb4 19.Qa4 e4 20.Bg7 ef3 21.Ba1 Qg5 (better is 21...fg2!? 22.Ng3 Bg4–/+) 22.g3= c4 23.dc4 Qf5 24.Nd2 Nd3 (24...Qc2 25.Qa3 Bg4 26.Nb1+/-) 25.e4 Qh3 26.Nf3 Nf4? (better is 26...Ne1 27.Re1 Rac8+/-) 27.Nh4+– (27.gf4 Qg4 28.Kf1 Qf3–+) 27...g5 28.Qb3 gh4 29.gf4 Kh7 30.Qh3 Bh3 31.f3 Rg8 32.Kf2 Rg2 33.Ke3 Ra2 34.Rg1 Bg2? (better is 34...Ra3 35.Rd3 Rd3 36.Kd3 Rg8+–) 35.h3 Ra3 36.Kf2 Ra2 37.Ke3 Ra3 38.Kf2 Ra2 ½–½. Cruz Alvarez de Ron,D (2270) – Tazbir,M (2525), XXI Cracow Open, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

7.b5 e5

8.Qc2 c6 9.Nc3 Re8 10.Be2 d5 11.0-0 b6 12.cd5 Nd5 13.Nd5 Qd5 14.Rfc1 Bb7 15.d4 cb5 16.de5 Nd7 (16...Be5? 17.e4 Bh2 18.Nh2 Qe4 19.Qe4 Re4 20.Bf3+– (20.Bb5?! Rb4 21.Bf6 Rb5+/-)) 17.e4 Qe4 18.Bb5 Ne5 (18...Qc2 19.Rc2 Rad8= (worse is 19...Ne5 20.Ne5 Be5 21.Be8 Re8 22.Rd1+/-)) 19.Be8+= Nf3 20.gf3 Qe8 21.Bg7 Kg7 22.Qb2 Kg8 23.Qf6 Qe2 24.Kg2 (24.Qb6?? Qf3 25.Qb7 Qb7–+) 24...Bd5 25.a3 b5 26.Rd1 Qc4 27.Rd4 Qc3 28.Rad1 Re8 29.R1d3 Qa1 30.Re3 Rf8 31.h4 h5 32.Re7 b4?? 33.ab4 ab4 34.Rd7 Bc4 35.Rd8 Qf1 36.Kg3 Qg1 37.Kf4 Qc1 38.Kg3 Qg1 39.Kf4 Qc1 40.Ke5 Qe1 41.Kd6 Qe6 42.Qe6 Rd8 43.Qd7 Rd7+= 44.Kd7 Be6 45.Ke7 b3 46.Kf6 Kh7 47.Rb4 Kh6 48.Rb8 Kh7 49.f4 Bc4 50.f5 gf5 51.Kf5 Kg7 52.Rb6 Bd3 53.Kf4 Bc2 54.Ke5 f6+= 55.Ke6 Kg6 56.Rb4 Bd1 57.Ke7 Kg7 58.f4 Bc2 59.Rb5 Kg6 60.Ke6 Kg7? 61.f5+– Bd3 62.Rb7 Kh6 63.Kf6 Bc4 64.Ke7 Kg7 65.Rb4 Bg8 66.f6 Kg6 67.Rb5 (67.Rb5 Bc4 68.f7 Bb5 69.f8Q Bc4 70.Qf6 Kh7 71.Kf8 b2 72.Qg7#) 1–0. Monroy,C (2395) – Ringoir,T (2250), ENCI Limburg Open, Maastricht NED, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

8.Nc3 Nbd7 9.Be2 Nb6 10.0-0=.

8.Nc3 Nbd7 9.Be2 Nc5 10.d4 ed4 11.ed4 Nce4 12.Ne4 Ne4 13.0-0 Re8 14.Re1 Bf5 15.Bd3 d5 16.a4 (16.Ne5 f6 17.Nf3 Bg4=) 16...dc4 (16...Rc8 17.Qc2=) 17.Bc4 Nd6 18.Re8 (18.Bd5 Rc8+=) 18...Qe8= 19.Qb3 (19.Bb3 Qe7+=) 19...Nc4 20.Qc4 Qd8 (20...c6 21.bc6 Qc6 22.Rc1=) 21.Re1 (21.Rc1 Bh6 22.Re1 Bg7+=) 21…Rc8 ½–½. Pakleza,Z (2365) – Czakon,J (2390), ch–PolandJ u20, Jarnoltowek Poland, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

8.Nc3 Nbd7 9.Be2 Nc5 10.d4 ed4 11.Nd4 Ne6 12.0-0 Nd4 13.Qd4 Be6 14.Ne4 Ne8 15.Qd2 Nf6 16.Qc3 Ne8 17.Qc1 Nf6 18.Nf6 Bf6 19.Bf6 Qf6 20.Bf3 c6 21.Rd1 d5 22.cd5 Bd5 23.Bd5 cd5 24.Rd5 Rfd8 25.Rd8 Rd8 26.g3 h5 27.h4 Qf3 28.a4 Rd5 29.Qc2 g5 (29...Rd6 30.e4+/-) 30.Qc4 (30.hg5!? Rg5 31.Rd1 Kg7+–) 30...gh4 31.Qh4 Rd2 32.Rf1 Ra2 33.Qc4 Re2 34.Qf4 (better is 34.Qd3!?+–) 34...Qf4+= 35.gf4 Ra2 36.Rc1 Ra4 37.Rc7 Rb4 38.Rb7 Rb2 39.b6 Kg7 40.Ra7 Rb5 41.b7 a4 42.Kg2 Kg6 43.Kg3 Rb1 44.e4 Rg1 45.Kf3 Rb1 46.Ra6 Kg7 47.f5 Rb7 48.Ra4 Rb3 49.Kf4 Rb2 50.f3 Rg2 51.Ra1 f6 52.Rh1 Kh6 53.Rh3 Rb2 54.Rg3 Kh7 55.Rg6 h4 56.Kg4 Rg2 57.Kh4 Rg6 58.fg6 Kg6 59.Kg4 Kf7 60.Kf5 Ke7 61.Kg6 (61.Kg6 Ke8 62.Kf6+–) 1–0. Gelashvili,T (2610) – Sergeev,Vl (2505), II ROMGAZ Open, Bucharest ROU, 2008. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 a5)

8.Nc3 Nbd7 9.Be2 Re8 10.0-0 b6 11.Nd2 Bb7 12.Bf3 Bf3 13.Qf3 Nc5 14.e4 Nfd7 15.Rad1 Rf8 16.Qe2 Ne6 17.Nd5 Nf6 18.g3 Nd5 19.cd5 Nc5 20.f4 Qd7 21.Nc4 (21.fe5 Qb5 22.Nc4 Na4=) 21...ef4= 22.Bg7 Kg7 23.d4 Nb7 24.Rf4 Qb5 25.Rdf1 f6 26.Qc2 Rf7 27.a4 Qe8 28.e5 de5 29.de5 f5 30.e6 Rf6 31.Ne5 Qe7 32.Nd7 Nc5 33.Nf6 Qf6 34.g4 Rd8 (34...c6 35.gf5 cd5 36.Rg4+/-) 35.gf5 g5 36.Qg2 h5 (36...Kf8 37.Rg4 h6 38.h4+-) 37.Rh4 1-0. Gelashvili,T (2545) - Warmerdam,Max (2610), 44th Olympiad (6), 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0)

8.Nbd2 Nbd7 9.Be2 Nc5 10.0-0 Bf5 11.d4 Nd3 12.Bc3 e4 13.Bd3 ed3 14.d5 Re8 15.Nd4 Qd7 16.Nf5 Qf5 17.Qf3 Qf3 18.Nf3 Nd7 19.Bg7 Kg7 20.Rfd1 Re4 21.Rac1 (worse is 21.Rd3 Rc4 22.Rdd1 Nf6=) 21...Nc5 22.Ne1 b6 23.Nd3 Nd3 24.Rd3 Rae8 25.Rcc3 f5 26.g3 g5 27.f3 R4e7 28.Kf2 Kf6 29.Rd4 Rg8 30.Rc1 Rge8 31.Re1 Ke5 32.g4 Rh8 33.h4! fg4? (33...gh4 34.g5) 34.Rg4 gh4 (34...h6 35.hg5 hg5 36.Rg5 Kf6 37.Reg1+–) 35.Rh1 (better is 35.Re4 Kf6 36.Rf4 Kg5 37.Rg1 Kh5 38.Rf5 Kh6 39.Rf6 Kh5 40.f4+–) 35...Rf7 36.Re4 Kf6 37.Re6 (37.Re6 Kg5 38.f4 Kh5 39.Kf3+–) 1–0. Panchenko,Alexander N (2430) – Tuzan,O (2200), Sochi Chigorin Memorial, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

8.Nbd2 Nbd7 9.Be2 Nc5 10.0-0 Bf5 11.d4 ed4 12.Nd4 Bd3 (12...Nfd7 13.Nf5 Bb2 14.Rb1=) 13.N4b3 Nfd7 14.Bg7 Be2 15.Qe2 Kg7 16.Nc5 Nc5 17.Nb3 Nb3 18.ab3 b6 19.Rfd1 (19.Qf3 Re8+=) 19...Qf6 20.Rd4 (20.Ra4 Rae8+=) 20...Rae8 (20...Rfe8 21.Qd3+=) 21.Rad1 (21.Qd3 Re7+=) 21...Re6= 22.g3 (22.Qd3 Rfe8=) 22...Rfe8 23.Qc2 Qe7 (23...Re5 24.Qd2=) 24.h4 (24.b4 ab4 25.Qb2 Qf6=) 24...h5 (24...Kg8 25.Qd3=) 25.Qd3 (25.b4 ab4 26.Qb2 Qf6=) 25...Re4 26.Qf1 (26.Re4 Qe4 27.Qe4 Re4=) 26...Qe6 (26...Qf6 27.Re4 Re4 28.Kg2=) 27.R1d2 ½–½. Epishin,Vladimir (2570) – Skoberne,Jure (2540), 22. HIT Open, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 a5 7.b5 e5)

8.Nbd2 Nbd7 9.Be2 Re8 10.0-0 Qe7 11.Ne1 h5 (11...Nc5 12.e4=) 12.a4 Nc5 13.Nb3 Nfd7 14.Bc3 Nb3 15.Qb3 Nc5 16.Qb2 Bh6 17.Ra3 Bg4 18.h3 Be2 19.Qe2 b6 20.Bb2 Rad8 21.Nf3 Bg7 22.Nd2 Qe6 23.Nb1 (23.e4 Rf8=) 23...d5= 24.Nc3 c6 (24...dc4 25.dc4 c6 26.bc6 Qc6 27.Rb1+=) 25.cd5= cd5 26.e4 de4 27.Ne4 Ne4 (27...Nb3 28.Re1=) 28.Qe4 (28.de4 Qd6=) 28...Bf8 29.Rc3 Bc5 30.Rc2 (30.Rc4 Qd5 31.Rd1 Qe4 32.Re4 Rd5=) 30...Qd5 31.Re2 Qe4 (31...Qd3 32.Qd3 Rd3 33.Re5 Re5 34.Be5–/+) 32.de4+= f6 (32...Bd4 33.Bc1+=) 33.Rc1 Rc8 (33...Rd3 34.Kf1+=) 34.g3 Kf7 35.Ree1 ½–½. Paredes Galan,A (2330) – Gonzalez Diaz,D (2255), TCh–ESP Premier North, Barcelona ESP, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 a5)

8.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2 e5 7.d3 a5 8.b5).

6.d3 b6

7.Nbd2 Bb7 8.Be2= c5 9.b5 a6 10.a4 ab5 11.ab5 Nbd7 (11...Ra1 12.Qa1 Nbd7 13.Bc3=) 12.0-0 (12.Ra8 Qa8 13.Qb3 Qa7=) 12...Ra1 13.Qa1 Qa8 14.Qa8 (14.Bc3 Qa1 15.Ra1 Ra8=) 14...Ra8 15.Ra1 Ne8 16.Ra8 Ba8 17.Bg7 Kg7 18.Ne1 f5 19.f4 e5 20.g3 d5 21.fe5 Ne5 22.cd5 (22.d4 cd4 23.ed4 Nc4 24.Bc4 dc4 25.Nc4 Nc7=) 22...Bd5+= 23.Nc2 Nd6 24.d4 cd4 25.ed4 Nec4 26.Nc4 Bc4 27.Bc4 Nc4 28.Kf2 Nd6 29.Na3 Kf6 30.Ke3 Ke6 31.Kd3 Kd5 32.Nc2 Nb5 33.Ne3 Kc6 34.Nc4 Nd6 35.Ne5 Kd5 (35...Kb5!?–/+) 36.Nd7= Kc6 37.Nf8 Kd5 38.Nh7 b5 39.Nf8 g5 40.Nh7 (40.Ng6 Ke6=) 40...f4 (better is 40...Ne4!?–/+) 41.Ng5= fg3 42.hg3 Nf5 ½–½. Logvinov,Kirill (2105) – Shcherbashin,Roman (1905), Anna RUS, Gagarin Mem, 2014.

7.Nbd2 c5 8.b5+=.

7.Be2 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 Bb7 12.0-0 Qd7 13.Nbd2 Ra8 14.Qc2 Ra7 15.Qb2 (15.b5 Nc5+=) 15...Qd8 (15...c5!?=) 16.Ra1+= Ra8 17.Ne1 (17.d4 Nb8+/-) 17...Nb8 18.Ra8 Ba8 19.Qa1 Nbd7 20.Bf3 Bf3 21.Nef3 Qc8 (21...c5 22.bc5 bc5 23.Ne4=) 22.Qa4 c5 23.Kf1 d5 24.b5 dc4 25.Bf6 Nf6 26.Nc4 Qd8 27.Nce5 Ne8 28.Qe4 Nd6 29.Qc6 Qb8 (29...h6 30.Kg1=) 30.g3 (30.Nd7!? Qa7 31.g3+/- (31.Nb6?! Qa1 32.Ne1 Bc3 33.Qa8 Qa8 34.Na8 Nb5=)) 30...Be5 (30...Qd8 31.Qd7 Qd7 32.Nd7=) 31.Ne5+= Qa7 (31...Qd8!?+=) 32.Nd7+/- Qa3 33.Kg2 (33.Qb6?! Qd3 34.Kg1 Qd1 (34...Nb5?? 35.Qd8 Kg7 36.Qf8; 34...Qb5?? 35.Qd8 Ne8 36.Qe8 Kg7 37.Qf8) 35.Kg2 Qd5 36.Kg1 Qd1 37.Kg2 Qd5 38.Kg1 Qd1=) 33...Kg7 34.Qd5 (34.Nb6?! Qd3 35.Qc5 Qb5 36.Qb5 Nb5=) 34...Qa1 (34...Nc8!?+/-) 35.Nb6+– Nb5 36.d4! Qb1 (36...cd4 37.Qe5) 37.Qe5 (37.Qe5 Kh6 38.dc5+–) 1–0. Csom,Istvan – Iskov, Kobenhavn, 1983. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7= 4.Bb2 0-0 5.e3 d6 6.d3 b6)

7.Be2 c5 8.a3=.

7.h3 Bb7 8.Be2 c5 9.b5 Nbd7 10.0-0 Ne5 (better is 10...a6!?=) 11.Ne5+/- de5 12.Be5 Nd5?? (better is 12...a6 13.Nc3 Qd7+/-) 13.Bg7+– (13.cd5 Be5 14.d4 cd4 (14...Qd5? 15.Bf3 Qe6 16.Bb7+–) 15.ed4 Qd5+=) 13...Kg7 14.cd5 Qd5 15.Bf3 Qd7 16.Bb7 Qb7 17.Nd2 (17.Qc2 Rfd8+–) 17...Rad8 (17...Qd7 18.Qa4+–) 18.Nf3 c4 (18...a6 19.Qc2+–) 19.Nd4 (19.d4 Rc8+–) 19...e5 (19...cd3 20.f4+– (20.Qd3?! e5+/-)) 20.Nc6 (20.dc4?! ed4 21.ed4 Qe4+–) 20...Rd3 (20...Rd5 21.Qb1 cd3 22.e4+–) 21.Qf3 (21.Qa4!? Rd5 22.Rac1 a5+–) 21...f6 22.Qe4 Rfd8 (22...Qf7 23.Rfd1+–) 23.Qc4 R8d5 (23...Qc7 24.Rac1 R8d7 25.Rc2+–) 24.e4 (better is 24.Nb4!? Qd7+–) 24...Rd7 25.Qe6 (25.f4 ef4 26.Rf4 Rd1 27.Rd1 Rd1 28.Rf1 Qd7+–) 25...R3d6 (25...R7d6 26.Qe8 Rd2+–) 26.Qc4 a6?? (26...Rd3 27.f4 ef4 28.Rf4 Rd1 29.Rd1 Rd1 30.Rf1 Qd7+–) 27.a4+– ab5 (27...Qa8 28.Rfc1+–) 28.ab5 Rc7 29.Qb3 Kh6 (29...Rcd7 30.Ra7 Qc8 31.Rfa1+–) 30.Qe3 g5 (30...Kg7 31.Ra7 Qa7 32.Na7 Ra7 33.Rc1+–) 31.h4 Kg6 (31...Rdc6 32.bc6 Qc6 33.Ra6+–) 32.Ra7 (32.hg5 fg5 33.Ne5 Kf6+–) 32...Qc8 (32...Qa7 33.Na7 Ra7 34.hg5 fg5 35.Rc1+–) 33.Rc7 (33.Ne5!? Kg7 34.Rc1 Rd1 35.Kh2 Rdc1 36.Qc1 Ra7 37.Qc8 fe5+–) 33...Qc7 34.hg5 f5 (34...Rc6 35.bc6 Qc6 36.gf6 Qc5+–) 35.ef5 Kf5 (35...Kf7 36.Ra1 Rc6 37.bc6+–) 36.Qe5 Kg6 37.Re1 Kh5 38.g4 Kg4 39.Re4 Kh5 40.Qe8 (40.g6 Kh6 41.Rh4 Kg6 42.Rg4 Kf7 43.Qg7 Ke6 44.Re4 Kf5 45.Re5 Kf4 46.Qg3) 40...Kg5 (40...Rg6 41.Rd4 Kg5 42.Qe3 Kf6 43.Kf1+–) 41.f4 (41.Qe5 Kh6 42.Rh4 Kg6 43.Rg4 Kf7 44.Qg7 Ke6 45.Re4 Kf5 46.Re5 Kf4 47.Qg3) 41...Kh6+– 42.Qf8 (better is 42.Kh2 Rf6 43.Qe5 Qe5 44.fe5+– (worse is 44.Re5 Rf4 45.Ne7 Rc4+–)) 42...Kh5 (42...Qg7 43.Qg7 Kg7 44.Re7 Kg6+–) 43.Re5 (43.Qf5 Kh4 44.Qg5 Kh3 45.Re3) 43...Kg4 (43...Kh4 44.Re7 Kg3 45.Rg7 Qg7 46.Qg7 Rg6 47.Qh7 Rg4+–) 44.Rg5 (44.Qf5 Kf3 45.Qh3 Kf4 46.Rf5 Ke4 47.Qf3) 44...Kf3+– 45.Ne5 (45.Rg2 Rc6 46.Rf2 Ke4 47.Qe8 Kd5 48.Rd2 Kc5 49.bc6 Qg7 50.Kf2 Qc3 51.Qe5 Qe5 52.Rc2 Kd5 53.fe5 Ke4+–) 45...Ke2 46.Rg2 Ke3 (46...Kd1+–) 47.Ng4 Kf3 (47...Kd4 48.Rd2 Kc3 49.Rd6 Qc5 50.Nf2 Kb4+–) 48.Ne5 (48.Qa8 Kf4 49.Qa4 Kf5 50.Ne3 Ke6 51.Qe4 Kd7 52.Qf5 Re6 53.Rg7 Kd8 54.Qd5 Kc8 55.Rg8 Re8 56.Re8 Qd8 57.Rd8 Kc7 58.Qd7) 48...Ke3 49.Rg3 (better is 49.Qd6! Qd6 50.Nc4 Kf4 51.Nd6+–) 49...Ke4 50.Kg2 Qc2 51.Kh3 0–1. GuestYTKV – GuestCDZH, freechess.org, 2017.

7.Be2 Bb7

8.0-0 c5 9.a3 Nbd7 10.Qb3 e6 11.Rd1 Qe7 12.Nc3 Rac8 13.d4 cd4 14.Nd4 a6 15.Rac1 Ne5 16.Na4 b5 (better is 16...Qc7!?=) 17.Nb6+/- (worse is 17.cb5 Bd5 18.Rc8 Rc8–/+ (worse is 18...Bb3 19.Rf8 Kf8 20.Nb3+/-)) 17...Rb8 18.f3 bc4 19.Nc4 Nc4 20.Rc4 Rbc8 21.Rc8 Rc8 22.Rc1 Rc1 23.Bc1 Nd5 24.Bc4 Qg5 25.Bd5 Bd5 26.Qd1 h5 27.Nc2 Qh4 28.Qe2 Bc4 29.Qd2 Qd8 30.Ne1 Qf6 31.Qd6 Qa1 32.Bd2 Qd1 33.Qd8?? (better is 33.e4+=) 33...Kh7–+ 34.Qd7 Bd5 (34...Bd5 35.Qc7 Qd2–+) 0–1. Yatsenko,Alexey (2250) – Nepomniachtchi,Ian (2365), RUS Spartakiad U18, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 b6)

8.0-0 Nbd7 9.Nbd2 (9.Nc3 a5 10.b5 e5+=) 9...c5 10.a3 a5 (10...a6 11.Rb1=) 11.Nb3 (11.Qc2 ab4 12.ab4 Qc7=) 11...ab4 12.ab4 Qc7 13.b5 (13.Qd2 d5=) 13...h6 (13...Ra1 14.Na1 d5 15.cd5 Bd5 16.e4=) 14.Re1 (14.Qc2 d5=) 14...Rfd8 (14...Ra1 15.Na1 d5 16.Nb3=) 15.Qc2 d5 16.d4 (16.cd5 Bd5 17.Nbd2 Ra1 18.Ra1 Qb8+=) 16...dc4 17.Qc4 Bd5 18.Qc2 Rac8 19.dc5 Nc5 20.Nbd4 (20.Nc5!? Qc5 21.Qc5 Rc5 22.Bd4 Bf3 23.gf3 Rg5 24.Kf1=) 20...Be4 (20...Ng4!?–/+) 21.Qc3+= Nd5 (21...Ng4 22.Qa3 Ra8–/+) 22.Qd2?? (better is 22.Qa3=) 22...e5–+ 23.Nc6 Nb3 24.Ra7 (24.Qd1 Na1 25.Qa1+=) 24...Nd2–+ 25.Rc7? (better is 25.Nd2 Qa7! 26.Na7–+) 25...Nc7 (25...Rc7 26.Nd2 Nf4 27.Nd8 Ne2 28.Re2=) 26.Nd8 (26.Ne7 Kh7 27.Nc8 Bf3 (27...Rc8?! 28.Nd2 Bb7 29.Rd1=) 28.gf3 Rc8–+) 26...Bf3 27.Bf3 (27.Nc6 Bc6 28.bc6–+) 27...Nf3 (worse is 27...Rd8 28.Be2–+) 28.gf3 Rd8 29.Rc1 (29.Kf1 Nb5 30.Rb1 Nd6–+) 29...Nb5 30.f4 (30.Kf1 f5–+) 30...ef4 31.Bg7 Kg7 32.Rb1 Rd5 (32...fe3 33.fe3 Nc3 34.Rb6–+) 33.e4 (33.ef4 Kf6–+) 33...Re5 34.f3 (34.h4 g5 35.hg5 Rg5 36.Kf1 f3–+) 34...Kf6 (34...Nd4 35.Kg2 Rg5 36.Kf2–+) 35.h4 (35.Rd1 Rc5–+) 35...g5 (better is 35...Rc5!? 36.Kg2–+) 36.hg5 hg5 37.Kf2 (37.Kg2 Ke6–+) 37...Ke6 (37...Rc5 38.Kg2 Ke5 39.Rb4–+) 38.Kg2 f5 39.Rb4 (39.ef5 Kf5 40.Rb4 Rc5–+) 39...fe4 40.fe4 Kd6 41.Kf3 (41.Rc4 g4 42.Kg1 Nc7–+) 41...Kc5 42.Rb1 Re4! 43.Ke4 (43.Rc1 Rc4 44.Rg1 Nd4 45.Kg4 Rc3–+) 43...Nc3 (43...Nc3 44.Kf3 Nb1–+) 0–1. Goldmund,Heike – Ramos,Francis, FICGS, 2015.

6.d3 c5

7.a3 a6 8.Be2 Nc6 9.Qb3 Bd7 (9...Qb6 10.Bc3 a5 11.b5 Bg4 12.Qc2 Bf3 13.Bf3 Ne5 14.Be5+=) 10.0-0 Qb6 11.Bc3 Nh5 (11...Qc7 12.Nbd2 b6 13.Rfb1 Rfb8 14.Qb2=) 12.Bg7 Ng7 (12...Kg7 13.Nc3 Nf6 14.Nd5+=) 13.Nc3 cb4 14.Nd5 Qd8 15.ab4 e6 16.Nc3 Rc8 17.d4 Ne7 18.Rfc1 Nh5 19.Nd2 Nf6 20.Bf3 Bc6 21.e4 d5 22.cd5 ed5 23.e5 Ne4 24.Nde4 de4 25.Bg4 Rc7 26.Rd1 Bd5 27.Qb2 Rc4 28.b5 Qb6 29.Qa3 Re8? (better is 29...ab5!? 30.Nb5 Qb5 31.Qe7 Rc2+=) 30.Bd7 Rf8? (30...Rd8 31.Ne4 (31.Qe7?! Rc3 32.Rac1 Rc1 33.Rc1 Rb8+=) 31...Be4 32.Qe7+/-) 31.Rac1 (better is 31.Qd6 Qc7 32.b6 (32.Nd5?! Qd6 33.ed6 Nd5=; 32.Qe7 Rc3 33.ba6 ba6–/+) 32...Qd6 33.ed6+–) 31...Qc7+/- 32.Bg4 (32.Qe7 Rc3 33.Rc3 Qc3=) 32...Be6? (better is 32...ab5 33.Nb5 Qc6+–) 33.Be2 Rc8 (33...Rc3 34.Rc3 Qd7+–) 34.Bc4 Bc4 35.ba6 ba6 (35...Ba6 36.Ne4 Qd8 37.Rc8 Nc8 38.d5+–) 36.Ne4 Qa7 (36...Qd8 37.Nd6 Bb5 38.Qf3+–) 37.Nd6 (37.Nd6 Be6 38.Nc8 Nc8 39.d5+–) 1–0. Markowski,T (2625) – Hagner,P (1870), 9th Amplico Life Rapid, Warsaw Poland, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 c5)

7.a3 Na6 8.Qb3 b6 9.Be2 Bb7 10.0-0 d5 11.Nc3 cb4 12.ab4 Qd6 13.Ra4 dc4 14.dc4 Ng4? (14...Nc7!?+/-) 15.Rd1 (15.Rfa1 Nc7 16.c5 Qd7 17.Ra7 Ra7 18.Ra7 Rb8+–) 15...Qf6 (15...Qc7 16.Rda1 Qc8 17.c5+–) 16.Ra2 Qe6 17.Nd5 Rfe8 (better is 17...Bb2 18.Qb2 Qd6+–) 18.Bg7 Kg7 19.Qb2 Kg8 20.b5 Nc5 21.h3 Nf6 22.Nc7 Qf5 23.Ne8 Ne8 24.Qe5 (better is 24.Rda1 Nd6+–) 24...Nd6? (24...Qe5 25.Ne5 Nd6 26.Kf1+–) 25.Qf5 (better is 25.Qe7 Ne8+–) 25...gf5 26.Nd4 e6 (26...a6 27.ba6 Ra6 28.Ra6 Ba6 29.Rb1+–) 27.f3 e5 28.Nc6 Nc8 (28...Bc6 29.Rd6 Bb7+–) 29.Rd8 Kg7 30.Ne5 Kf6 (30...a5 31.Nd3 Nd3 32.Bd3+–) 31.Nd7 Ke7 (31...Nd7 32.Rd7 Rb8 33.Rd8+–) 32.Nc5 Kd8 33.Rd2 (worse is 33.Nb7 Kc7 34.Rd2 Kb7 35.Rd7 Kb8 36.Rf7 a5 37.ba6 Ra6 38.Rh7 Nd6+–) 33...Ke7 34.Nb7 1–0. Mihalj,M Miroslav (2295) – Xia,Jie (2120), Bratto op, 2005. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.d3 c5)

7.a3 e6 8.Nbd2 Nc6 9.Rb1 Qc7 10.Be2 b6 11.0-0 Bb7 12.Qb3 Rab8 13.Bc3 Rfd8 14.b5 Ne5 15.a4 Rbc8 16.a5 Nfd7 17.Rfc1 Nf3 18.Bf3 d5 19.Bg7 Kg7 20.ab6 ab6 21.cd5 Bd5 22.Qc3 Qe5 23.e4 Qc3 24.Rc3 Bb7 25.Nc4 Ra8 26.Rd1 Kf8 27.h3 e5 28.Bg4 f6?? (better is 28...f5 29.ef5 h5+=) 29.Bd7+– (29.Bd7 Rab8 30.Bc6+–) 1–0. Kaenel,Hansjuerg (2405) – Nuri,Kambez (2110), SUI–ch int Saas Almagell, 2005. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 c5)

7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.cd5 Nd5 12.Bg7 Kg7 13.d4 cd4 14.Qd4 f6 15.Bc4 Nb6 16.Be2 e5 17.Qc5 N8d7 18.Qd6 Na4 19.0-0 Ndc5 20.Rd1 Qd6 21.Rd6 Bf5 22.Nbd2 Kf7 23.Bf1 Ke7 24.Nc4 Nc3 25.Rd2 Ra8 26.Nh4 Bb1 (26...Nb5 27.Nf5 gf5 28.Ne5 fe5 29.Bb5 Ra1 30.Bf1–/+) 27.g4 (27.Nb6 Ra1 28.Nc8 Kf8 29.g4–+) 27...Ra1–+ (27...Nb5 28.Rd5 Rc8 29.g5–/+) 28.Kg2 e4 (28...Nb5?! 29.Ne5 Nc3 30.Nd3 Bd3 31.Bd3–/+) 29.f3 (29.b6!?–/+) 29...Bd3 (29...Nb5 30.Rd5 ef3 31.Kh3–/+) 30.Bd3 ed3 (30...Nd3 31.fe4 Ne1 32.Kh3 Ne4 33.Rd5–/+) 31.Kg3 Rc1 (31...Rc1 32.Nb2 N5e4 33.fe4 Ne4 34.Kg2 Nd2 35.Nd3 Rb1–+) 0–1. Cruz Alvarez De Ron,Dan (2270) – Shishkin,Vadim (2455), Cracovia, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 c5)

7.bc5 Qa5 8.Bc3 Qc5 9.Be2 Bf5 (9...Qc7 10.0-0=) 10.0-0 Qc7 11.Bb2 (11.Na3 a6=) 11...Nc6 (11...Qb6 12.Bd4 Qa6 13.Bb2=) 12.Nc3 a6 (12...Rfd8 13.Nb5 Qc8 14.Qd2=) 13.h3 Rad8 (13...Rac8 14.Rb1=) 14.Qb3 Be6 (14...Bd7 15.Nd5 Qb8 16.a4+–) 15.Rfc1 (15.Ng5 Na5 16.Qb4 Bf5=) 15...Qb8 (better 15...b5!? 16.Nd5 Qd7 17.Bf6 ef6+=) 16.Ng5+– Bf5 17.Rab1 (17.Nd5 h6 18.Nf3 Qa7+–) 17...h6 (17...Nd7 18.Nge4+=) 18.Nf3+– Nd7 19.Qd1 (19.Qc2 Nde5 20.Nd5 e6+–) 19...g5 20.Nd5 (20.e4 Bg6+=) 20...e6 21.Bg7 Kg7 22.Nb4 (22.Nc3 Bg6+=) 22...Nb4 23.Rb4 Qc7 (23...e5 24.d4+=) 24.h4+– f6 (24...Nc5 25.e4 Bg6 26.hg5 hg5 27.Ng5+=) 25.Nd4 Nc5 (25...gh4? 26.Rcb1 Nc5 27.e4+–) 26.Rcb1 Rb8 (26...gh4?? 27.e4 Be4 28.de4+–) 27.Rb6 (better 27.Bf3 Rfe8 28.Nf5 ef5 29.Rb6+–) 27...Nd7? (better 27...Bg6+=) 28.e4+– Nb6 (28...Rfe8 29.ef5 e5 30.Bh5 Nb6 31.Be8 ed4 32.Qh5+–) 29.ef5 Rfe8 30.Ne6 Re6 31.fe6 Nc8 (31...Re8 32.Bg4 Nc8 33.Bf5+–) 32.d4 Ne7 33.Bd3 Ng6 (33...Rf8 34.Qf3 b5 35.cb5 ab5 36.d5+–) 34.g3 Qe7 (34...Nf8 35.Qh5 b5 36.cb5 ab5 37.d5+–) 35.Qh5 Qe8 (35...Nf8 36.d5+–) 36.Rb6 f5 (36...Ne7 37.Qf3 Qg8 38.hg5 Qe6 39.gh6 Kh6 40.c5+–) 37.Rd6 (better 37.hg5 Ne7 38.Qh6 Kg8 39.Rd6 Qf8+–) 37...Ne7 38.Qe2 gh4 (38...Kg8 39.Qe5 Qg6 40.hg5 hg5+–) 39.Qe5 Kg8 40.Rd7 hg3 (40...Rc8 41.Qf6 Qf8 42.Qe7 Qe7 43.Re7+–) 41.Re7! gf2 (41...Qe7 42.Qb8 Double attack (42.Qb8 Deflection; 42.Qc5 Decoy; 42.Qb8 Overloading)) 42.Kf1 Qe7 43.Qb8 Kg7 44.Qe5 Kg8 (44...Qf6 45.Qc7 Kg8 46.Bf5 Qf5 47.Qd8 Kg7+–) 45.Qf5 Qg7 46.Qg6 (46.Qg6 Qg6 47.Bg6+–) 1–0. Epishin,V (2570) – Maar,Samuel (1945), 5th Hofheim Spring Open (3), 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0 6.d3 c5)

7.a3 b6

8.Be2 Bb7 9.0-0 Nc6 10.Qb3 e6 11.Nc3 Qe7 12.Rfd1 Rfd8 13.Rac1 (13.d4 cd4 14.ed4 d5=) 13...Rab8 (13...a6 14.d4=) 14.Nd2 (14.d4 cd4 15.ed4 Rbc8+=) 14...Ne8 (14...d5 15.cd5 ed5 16.b5=) 15.Bf3 (15.b5 Na5 16.Qc2 Ra8+=) 15...f5 (15...Ne5 16.Bb7 Qb7 17.Qc2=) 16.Nf1 (16.b5 Na5 17.Qc2 Nf6+=) 16...g5 (16...a6 17.Rb1=) 17.Bc6 (17.Qa4 Ne5 18.Bb7 Rb7+=) 17...Bc6 18.d4 (18.b5 Bb7=) 18...Nf6 (18...Bb7 19.d5=) 19.d5+= ed5 (19...Bb7 20.b5+=) 20.Nd5 (20.cd5 Bd7+=) 20...Nd5= 21.cd5 Ba4 22.Qa4 Bb2 23.Rb1 Be5 24.bc5 (24.b5 Rf8+=) 24...dc5= 25.Qc4 Qf7 26.a4 Rd6 27.Rd3 Rbd8 28.Rbd1 g4 (28...Qh5 29.Ng3 Bg3 30.hg3=) 29.g3 (29.a5 f4=) 29...h5 (29...Qh5 30.a5=) 30.h4 (30.a5 h4=) 30...Kh7 (30...gh3!? 31.Kh2 Qg6+=) 31.Nd2= Bg7 (31...Rd5?? 32.e4 R5d7 33.Qf7 Rf7 34.Rd8 fe4 35.Rd5+–) 32.Nb1 Re8 (32...Qe7 33.Nc3=) 33.Na3 Re4 (33...Rdd8 34.a5=) 34.Qc2 (34.Qa6 Rd8+=) 34...Rd7 35.d6 (35.Nc4 Re8=) 35...Kg6 (35...Qe6 36.a5=) 36.a5+= Rb4 (36...Be5 37.ab6 ab6 38.Rb1+=) 37.ab6 ab6 38.Rd5 (38.Rb1 Kh7+=) 38...Bd4 39.e4 (39.ed4 Qd5 Decoy (39...Qd5 Interception)) 39...fe4 (39...Rb2 40.ef5 Kh7 41.Qe4 Bf2 42.Kh1 Bg3 43.f6 Kh8 44.Rg5 Rh2 45.Kg1 Rh4 46.Qa8 Kh7 47.Rg7 Qg7 48.fg7 Kg7 49.Qe8+–) 40.Qe4+= Kh6 (40...Kg7 41.R1d4 Rd4 42.Rd4 cd4 43.Nb5+=) 41.R1d4 Rd4 (41...cd4 42.Rf5 Qg6 43.Qf4 Kh7 44.Qe5 Qd6 45.Rh5 Kg8 46.Rh8 Kf7 47.Rh7 Kg6 48.Qh5 Kf6 49.Qg5 Ke6 50.Qg4 Kd5 51.Rd7+–) 42.Rd4= cd4 43.Qd4 Kh7 44.Qe5 (44.Nb5 Qf5 45.Qb6 Qb1 46.Kg2 Qe4 47.Kh2 Qd5=) 44...Ra7 (44...Rd8 45.Qe4 Kg8 46.Nc4+=) 45.Nc2 (45.Nb5 Ra2 46.Qe4 Kg8=) 45...Ra2 (45...Ra5!? 46.Qe4 Kg8+=) 46.d7= Qd7 47.Qh5 Kg7 48.Ne3 (48.Qg5!? Kh8 49.Ne3=) 48...Ra5–/+ 49.Qg4 Qg4 50.Ng4 Ra1 (50...b5!?–/+) 51.Kg2+= b5 52.Kf3 (52.Ne3!?+=) 52...b4–/+ 53.Ne5 Re1 (53...b3!? 54.Nd3 Ra2–/+) 54.Nd3+= b3 55.g4 (55.Ne1? b2–+) 55...Kh6 56.Kf4 Re2 57.g5 (57.Kf3 b2 58.Nb2 Rb2–/+) 57...Kg7 (57...Kg6 58.f3 Rd2 59.Ke4–+) 58.Kf3 Rc2 59.h5 (better is 59.Ke3 Kg6 60.f4–+) 59...b2 (better is 59...Rc5! 60.Nc5 b2–+) 60.Nb2–/+ Rb2 61.Kg3 Kf7 62.f3 (62.f4 Ke6–/+) 62...Ke6–+ 63.Kg4 (63.f4 Kf5 64.h6 Rd2–+) 63...Rg2–/+ 64.Kf4 Rh2 65.Kg4 Rg2 (65...Rh1 66.h6 Rg1 67.Kf4–+) 66.Kf4 Rg1 67.h6 Rg2 68.h7 Rh2 69.Kg4 Rh7 70.f4 Rh1 71.f5 Ke5 72.f6 Ke6 73.Kf4 Rf1 74.Ke4 Rf5 75.f7 Rf7 76.g6 Rg7 0–1. Priyadharshan,K (2405) – Altounian,Levon (2435), US Chess League KO Final, 2012. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 c5)

8.Be2 Bb7 9.0-0 Nbd7 10.Nc3= d5 11.Nd2 (11.Qb3 e6=) 11...e6 12.Rb1 Qe7 13.bc5 dc4 14.Nc4 Nc5 15.a4 Rfd8 16.Ba3 Rab8 (16...Nfe4 17.Ne4 Be4 18.Qc2=) 17.d4 (17.Qc2 Nd5 18.Nd5 Bd5+= (18...Rd5? 19.d4+–)) 17...Nfe4 (17...Nd5!? 18.Nd5 Bd5= (18...ed5? 19.Nd2+–; 18...Rd5? 19.Qc1+–)) 18.Ne4+= Be4 19.f3 Bb7?? (better is 19...Bb1 20.Qb1 Bd4 21.ed4 Rd4+=) 20.Qc2+– 1–0. Ehlvest,Jaan (2595) – Agaragimov,Djakhangir (2390), Moscow Open A, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 c5)

7.bc5 dc5

8.Nc3=.

8.Be2 Nc6 9.Nc3 b6 (9...Bf5 10.0-0=) 10.0-0 Bb7 11.d4 (11.h3 Qd7=) 11...cd4+= 12.ed4 Rc8 13.Re1 (13.Rc1 Nh5 14.Nd5 e6+=) 13...Na5 14.Ba3 Re8 (worse is 14...Nc4 15.Bc4 Rc4 16.Be7 Bf3 17.Qf3 Qd4 18.Nb5+= (18.Bf8 Rc3 19.Rad1 Qc4–/+)) 15.c5 bc5 16.Bb5 cd4 (16...Bf3 17.gf3 cd4 18.Be8 dc3 19.Qd8 Rd8 20.Ba4+=) 17.Be8 Bf3 18.gf3 (worse is 18.Qf3 Rc3 19.Be7 Qc8 (worse is 19...Qe8 20.Bf6 Qd7 21.Qf4+=) 20.Qf6 Bf6 21.Bf6 Nc6 22.Bc6 Rc6 23.Bd4 Qd7–/+) 18...dc3 19.Qd8 Rd8 20.Ba4 Rd4 21.Rad1 (21.Bb5 e6 22.Rac1 Nd5+=) 21...Ra4 22.Rd8 Bf8 23.Be7 Nc6 (23...Ra2 24.Bf8 (24.Bf6?! c2+/-) 24...Rd2 25.Rb8+–) 24.Rf8 Kg7 25.Rc8 Ne7 26.Re7 Ra2 (26...Nd5 27.Re5 Rd4 28.Kg2+=) 27.Re5 (27.Rc3? Nd5 28.Rce3 Ne7 29.Re7 h5–+) 27...Nh5 28.Rc3 Nf4 29.Kf1 Nh3 (29...a5 30.Re4 Ra1 31.Re1=) 30.Re2 (30.Ke1 Ra1 (worse is 30...Nf2 31.Re2 Re2 32.Ke2+/-; worse is 30...Rf2 31.Re2 Re2 32.Ke2+/-) 31.Kd2 Rf1=) 30...Ra1 31.Re1 Ra2 32.Re2 Ra1 ½–½. Fritz,Manfred (1895) – Haika,Guenter, corr AUT–GER, 1996.

6.d3 Nbd7

7.Qc2 c5 8.a3 b6 9.Nbd2 Bb7 10.Be2 Qc7 11.Rc1 Rfc8 12.Qb1 Rab8 13.0-0 Qd8 14.Rfd1 Rc7 15.Qa1 Qf8 16.d4 Ne4 17.d5 Nd2 18.Rd2 Bb2 19.Qb2 Qg7 20.Qg7 Kg7 21.Rdc2 Bc8 22.Kf1 Ba6 23.b5 Bc8 24.a4 Nf6 (24...a6 25.Rb2=) 25.Nd2 Bf5 26.Ra2 Rbb7 27.a5 h5 28.f3 Bd7 29.Rca1 Bc8 30.e4 Nd7 31.f4 f6 (31...ba5 32.Ra5 Kf6 33.g3+/-) 32.Nf3 (32.ab6 ab6 33.Nf3 Nf8+–) 32...Kf7 (32...ba5 33.Ra5 Nb6 34.e5+/-) 33.Rd2 Rb8 34.Kf2 Rbb7 (34...a6 35.Ke3+=) 35.h3 Rb8 36.g4 hg4 37.hg4 Bb7 (37...a6 38.ba6 Ra7 39.ab6 Rb6 40.Rh1+/-) 38.Rh1 Kg7 39.Rdd1 (39.a6 Ba8+–) 39...Rcc8 40.a6 Ba8 41.Rh2 Rh8 42.Rdh1 Rh2 43.Rh2 Rh8 (43...Re8 44.g5+/-) 44.Rh8+– Kh8 45.g5 Kg7 46.Kg3 Kf7 47.gf6 Kf6? (better is 47...ef6 48.Bf1 Ke7+–) 48.Ng5 Nf8 49.Bg4 e5 50.Ne6 ef4 51.Kf4 Nd7? 52.Nc7 g5 53.Ke3 Ne5 54.Be2 Ke7 55.Na8 Nd7 56.Nc7 1–0. Toth,Sarolta – Bartos,Tamas, HUN–chT2 Toth, 2004. (=1.c4 d6 2.e3 Nf6 3.Nf3 g6 4.b4 Bg7 5.Bb2 0-0 6.d3 Nbd7)

7.Qc2 c6 8.Be2 e5 (8...c5 9.a3=) 9.0-0 a5 10.a3 (10.b5 a4=) 10...Re8 (10...ab4 11.ab4 Ra1 12.Ba1+=) 11.Nbd2 b5 (11...Qe7 12.Bc3=) 12.Ng5 (12.cb5 cb5 13.d4 Rb8+=) 12...Nb6 (12...d5 13.Ngf3=) 13.cb5 cb5 14.ba5 (14.d4 Bd7=) 14...Na4 (14...Ra5 15.d4 h6 16.de5 de5+=) 15.Bf3 (15.Nb3!?=) 15...Ra7 (15...d5!? 16.Be2 Qa5+=) 16.Qb3. wg_ffm – Mensch, Chess Game, 2017.

7.Qc2 h6 8.Be2=.

7.Nbd2 a5 8.b5 e5 9.Be2 Nc5 10.d4 ed4 11.ed4 Nce4 12.0-0 Re8 13.a4 b6 14.Re1 Bb7 15.Qc2 Qd7 16.Bd3 Nd2 17.Nd2 Re1 18.Re1 Re8 19.Re8 Qe8 20.Bc3 Qe1 21.Nf1 Qe7 22.f3 Kf8 23.Kf2 Nh5 24.Be4 d5 25.cd5 f5 26.d6 cd6 27.Bc6 Nf4 28.Ne3 Ne6? (better is 28...Bc6 29.bc6 Bh6=) 29.Nf5!+– gf5 30.Qf5 Kg8 (better is 30...Qf7 31.Qf7 Kf7 32.Bb7 Nd4 33.Bd5 Kf8+–) 31.Bb7 Bd4 (31...Qb7 32.Qe6 Qf7 33.Qc8 Qf8 34.Qc4 Qf7+–) 32.Bd4 Nd4 33.Bd5 Kh8 34.Qc8 Kg7 35.Qg4 (35.Qg4 Kh6 36.Qd4+–) 1–0. Nabaty,Tamir (2565) – Huguet,Sergio (2110), Navalmoral de la Mata ESP, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 Nbd7)

7.Nbd2 e5 8.Qc2 c5 9.bc5 Nc5 10.Be2 Bd7 11.0-0 Re8 12.a4 Rc8 13.a5 Bc6 14.d4 ed4 15.Nd4 Bd7 16.Bf3 Bg4 17.Bg4 Ng4 18.Nb5 Bb2 19.Qb2 a6 20.Nc3 Nf6 21.Rfd1 Qe7 22.Nd5 Nd5 23.cd5 Qh4 24.Nf3 Qe7 25.Rab1 Rc7 26.Qd4 Qd8 27.Nd2 f5 28.Rb6 Rd7 29.h3 Qe7 30.Nc4 Ne4 31.f3 Ng5 32.Qf4 Nf7 33.h4 Rc8 34.Rb4 Ne5? 35.Nb6+/- Rcc7 36.Nd7 Qd7 37.h5! Qg7 38.hg6 hg6 39.Qd4 Qe7 40.Qh4 Qf8 41.Qg5+– Kg7 42.Rh4 Nf7 43.Qf4 Qe7 44.Qd4 Kg8 45.Rh3 Rc5 46.Ra1 Ne5 47.f4 Nf7 48.Kh2 Rc2 49.Rb1 Rc5 50.Qd2 Rc7 51.Rc1 Qd8 52.Rc7 Qc7 53.Qd4 Qe7 54.Kg1 Qd8 55.e4 fe4 56.Qe4 Qf6 57.Qe6 Qd4 58.Kh1 Kg7 59.Rg3 Qd1 60.Kh2 Qh5 61.Rh3 Qd1 62.f5 g5 63.Qg6 Kf8 64.f6 Qd5 65.Rh8!! (65.Rh8 Nh8 66.Qg7 Ke8 67.Qe7) 1–0. Karasev,Vl (2375) – Stepak,Y (2235), TCh–Eur Seniors, Dresden GER, 2010. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3)

7.Be2 a5 8.a3=.

7.Be2 b6 8.0-0 Bb7 9.Nc3 c5 10.a3 d5 11.cd5 Nd5 12.Qd2 Nc3 13.Bc3 Bc3 14.Qc3 Rc8 15.Qb2 Nf6 16.a4 (16.bc5 Rc5 17.d4 Rc8+=) 16...cb4 (16...Bf3 17.Bf3 Qd3 18.Rfc1+=) 17.Qb4= Nd5 18.Qb2 Nc3 19.d4 Ne2 20.Qe2 Qd5 21.Rfd1 (21.a5 Qf5=) 21...Rc3 22.Ne1 (22.Rac1 Rfc8 23.Rc3 Rc3=) 22...Rfc8 23.f3 Qb3 (23...Qa5 24.e4+=) 24.e4 Qb4 25.Qb5 White prepares d5 25...Qd6 (25...Qc4 26.Qc4 R8c4 27.d5=) 26.a5 R3c4 27.d5 (27.Qb2 Rb4 28.Qf2 ba5 29.Ra5 a6+=) 27...Rb4 28.Qe2 ba5 29.h3 Qb6 30.Kh2 Ba6 31.Qd2 a4 32.e5 Rcc4 (32...Bc4 33.Rac1+=) 33.Qg5= f6 34.Qg3 Rd4 35.Nc2 Rd1 36.Rd1 Rb2 37.Nd4 fe5 (37...Bf1 38.Rf1 Qd4 39.ef6 Qf6 40.Re1–/+) 38.Nc6= Qc7 39.Qg5 (39.Ne5 Rg2 40.Qg2 Qe5 41.f4 Qf4 42.Qg3 Qb4+=) 39...Rb7 (39...Be2 40.Ne7 Kf7 41.d6=) 40.Qg4 (40.Ne5 Qd6=) 40...Be2 (better is 40...e4!? 41.Kh1 ef3 42.Qf3 Qd6–/+) 41.Qe6 Kf8?? (41...Kh8 42.Qf7 Qc8+–) 42.Ne5+– Qe5 43.Qe5 Bd1 44.Qh8 (44.Qf4 Kg7 45.Qd4 Kf7 46.Qd1 Rb4+–) 44...Kf7 45.Qh7 Kf6 (45...Ke8 46.d6 Bb3 47.Qg6 Bf7 48.Qe4+–) 46.Qh4 Kf7 47.Qf4 Ke8 48.d6 (better is 48.Qc1 Kf7 49.Qd1+–) 48...Bb3 (better is 48...Rb6!? 49.de7 Ke7 50.Qe5 Re6 51.Qc7 Ke8 52.Qb8 Kd7 53.Qa7 Kc6 54.Qa6 Kd7 55.Qb5 Ke7 56.Qc5 Kd7+–) 49.Qe4+– (49.Qe4 Rd7 50.Qg6 Bf7 51.Qe4+–) 1–0. Rehorek,Martin (2290) – Marikova,Jana (2185), Czech Championship, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 Nbd7)

7.Be2 c6

8.0-0 Qc7 9.Nc3 (9.Nbd2 Rb8=) 9...b6 (9...Ne5 10.Ne5 de5 11.h3=) 10.Qc2 Bb7 11.Nd2 (11.d4 e6=) 11...Rac8 12.a4 c5 13.Nb5 Qb8 14.bc5 bc5 15.a5 a6 16.Nc3 Qc7 17.Rfb1 Rb8 18.Bf3 Bf3 19.Nf3 Rb7 20.Nd1 Rfb8 21.Bc3 Ng4 22.Bg7 Kg7 23.Rb7 Qb7 24.h3 Nge5 25.Nd2 Nc6 26.Qa4 Qc7 27.Ra3 (27.Nc3 e6+=) 27...Kg8 (27...Nb4 28.Qb3+=) 28.Nc3 e6 29.Nde4 h6 30.d4 (30.Qd1!?+=) 30...cd4–/+ 31.ed4 Rb4 (31...Nd4? is no good 32.Qd7 Decoy: d7 32...Qd7 33.Nf6 Kg7 34.Nd7+–) 32.Qd1 Rc4 33.Qd2?? (better is 33.d5 Nd4 34.Ra4+=) 33...d5 (better is 33...Nd4!? 34.Qf4–+) 34.Ng3 Nd4 35.Ra4 (35.Nce2 Nb5 36.Ra1 Kg7–+) 35...Kg7 (35...Nb3!? 36.Rc4 Qc4 37.Qb2–+) 36.Qe3 Qc6 37.Rc4 Qc4 (37...dc4 Worse is 38.Qd4 e5 39.Qe4+/-) 38.Nf1 Qc3 (38...Qc3 39.Qc3 e5+–) 0–1. Tierling,Detlef – Reinhardt,Ralph (2120), Karl Mala Memorial op, 2001.

8.Nbd2 a5 9.a3 Re8 10.0-0 Qc7 11.Qc2 e5 12.Rfc1 h6 13.e4 Nh5 14.g3 Nf8 15.Nh4 (15.c5 d5+=) 15...Nf6= 16.Ndf3 N6h7 (16...g5 17.Ng2=) 17.ba5 Ne6 (17...Qa5 18.Bc3 Qc7 19.Rcb1+=) 18.Bc3= Nd4 (18...Nc5 19.Rab1=) 19.Nd4+= ed4 20.Be1 Bd7 21.Rab1 Rad8 (21...g5 22.Ng2+=) 22.Rb6 Bc8 23.Qd1 Nf6 24.Rb2 (24.Bd2 Nd7 25.Rb2 Nc5+=) 24...Qe7 (24...Ne4 25.de4 d3 26.Bc3 de2 27.Qe2=) 25.f4 (better is 25.Rcb1!?+=) 25...Ne4+= 26.Bf3 (26.de4!? d3 27.Bc3 de2 28.Qe2 Qe4 29.Qe4 Re4 30.Bg7 Kg7 31.Kf2+=) 26...Nc3–/+ 27.Bc3 dc3 28.Re2 Bd4 29.Kh1 Qc7 30.a6 ba6 31.Rcc2 Bd7 32.Be4 Bg4 33.Bf3 Bf3 34.Nf3 c5 35.Re4 Qc6 36.Rce2 f5 37.Re8 Re8 38.Re8 Qe8 39.Ne1?? (better is 39.Qc2–+) 39...c2! 40.Qc1 Qc6 41.Ng2 Qf3 (41...Qf3 42.Qe1 Qd1 43.Nh4 Qe1 44.Kg2 Qe2 45.Kh3 c1Q 46.Nf3 Qcf1 47.Kh4 Bf6 48.Ng5 Qh2#) 0–1. Abanto,H – Robledo,Manuel, PER–sf Peru, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3)

6.d3 e5

7.Qc2 b6 8.Nbd2 Bb7 9.a4 (9.Be2 Qe7=) 9...a5 (9...Na6 10.Bc3=) 10.b5 Nbd7 11.Be2 Rc8 12.0-0 Re8 13.Ng5 h6 14.Bf3 d5 15.Nh3 e4 16.Be2 c6 17.d4 c5 18.Qb3 Qe7 19.Nf4 cd4 20.Bd4 Nc5 21.Bc5 (21.Qa2 Red8=) 21...Rc5+= 22.Rac1 Rec8 23.Qa3 dc4 24.Bc4 g5 25.Nb3 (25.Ne2!?+=) 25...gf4–+ 26.Nc5 Rc5 (worse is 26...Qc5 27.Bf7 Kf7 28.Rc5 Rc5 29.ef4+/-; 26...bc5?! 27.ef4 Nd7 28.Rfd1–/+) 27.ef4 Qc7 28.Bb3 Bf8 (28...Qf4?! 29.Rc5 bc5 30.Qc5=) 29.Ba2 (better is 29.g3!?–/+) 29...Qf4–+ 30.Qe3 Qg5 0–1. Anlauf,Wolfgang – Rehder,Frank (1925), 17OBSen–Rowy, 2008.

7.Qc2 c6 8.Be2 Re8 9.0-0 Nbd7 10.Nc3 b6 11.Nd2 Bb7 12.Bf3 d5 13.Qb3 Nf8 14.b5 dc4 15.Nc4 Qd7 (15...Qd3? 16.Rfd1 (16.Bc6?! Bc6 17.Rfd1 Qf5+/-; 16.bc6?! Ba6 17.Be2 Bc4 18.Bd3 Bb3 19.ab3 Ne6+/-) 16...Qf5 17.bc6+–) 16.bc6 Bc6 17.Bc6 Qc6 18.a4 (18.Rac1!? Qe6 19.Nb5+=) 18...N8d7= 19.Rfd1 Rad8 20.Qb5 Qc7 21.Ba3 Bf8 22.Bf8 Kf8 23.a5 Nc5 24.ab6 ab6 25.Nb6 Rd3 26.Ncd5 (better is 26.Rd3!? Nd3 27.Qd3 Qb6 28.Rd1+=) 26...Nd5 27.Nd5 Rd1 28.Rd1 Qd6 29.Qc4 Kg7 30.h3 Nd7 31.Qa4 Rd8 32.Nc3 Qc7 33.Nd5 Qd6 34.Qa5 Re8 35.Nc3 Qe6 36.Ne4 Nf8 37.Rd5 f6 (better is 37...Nd7!?+=) 38.Rd6+/- Qe7 39.Rf6 Rd8 40.Ra6 Rd7 41.Ra8 Rb7 42.Kh2 Nd7 43.Qd5 Rc7?? (43...Nf6 44.Nf6 Kf6 45.Ra6 Kg7 46.Re6+–) 44.Qg8 (44.Rg8 Kh6 45.g4 Rc1 46.g5 Qg5 47.Ng5 Kg5 48.Qd7 Rf1 49.Qh7 Rf2 50.Kg3 Rg2 51.Kg2 Kf6 52.Rg6 Kf5 53.Rh6 Kg5 54.Qg6) 44...Kh6 45.g4 Rc2 (45...Nc5 46.Re8 Qf7 47.Qf7 Rf7 48.Nc5 Rf2 49.Kg3 Rf1+–) 46.Re8 Qb4 1–0. Monroy,C (2395) – Van der Velden,B (2195), ENCI Limburg Open, Maastricht NED, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Qc2 Bg4 8.Be2 Nbd7 (8...Nc6 9.b5 Nb4 10.Qb3 Nd3 11.Qd3=+) 9.h3 Bf3 10.Bf3 c6 11.0-0 Re8 12.Nd2 Nf8 (12...Qb6 13.a3=) 13.d4 ed4 14.Bd4 Ne6 15.Bc3 Qe7 16.Qb2 (16.Rfd1 d5+=) 16...d5 (16...Rad8 17.Ne4 Ne4 18.Be4 Bc3 19.Qc3=) 17.a3 (17.cd5 cd5 18.Rac1 Rad8+=) 17...Rad8 (17...dc4 18.Nc4 Ng5 19.Be2=) 18.cd5 Nd5 19.Bg7 Ng7 20.Ne4 (20.Rfd1 Qe5 21.Qe5 Re5+/-) 20...f5 21.Nc5 Ne6 22.Rac1 (22.Rfd1 Nc5 23.Bd5 Rd5 24.Rd5 cd5 25.bc5 Rc8=) 22...Ng5 (22...Nc5 23.Rc5 Qe5 24.Qc2=) 23.Bd5+= Rd5 24.Rfd1 Red8 25.Rd5 Rd5 26.Qc3 Ne4 27.Qb3 Nd2 28.Qa2 Qf7 29.Qc2+= b6 30.Nd3 Qd7 31.Qa2 Kf8 32.Nf4 Rd6 33.Qb2 Kg8= 34.a4 b5 35.ab5 cb5= 36.Qc3 Nc4 37.Re1 Qg7 38.Ne2 Qc3 39.Nc3 a6 40.Rd1 Rd1=+ 41.Nd1 Kf7 42.Kh2 Ke6 43.Kg3 Na3 (44.Nb2 Nc2=; 43...g5 44.Nc3=+). Waibel,Ulrich – Dodge,John, compuserve, 1996.

7.Qc2 Nh5 8.Be2 f5 9.0-0 Qe7 10.Nc3 c6 11.Nd2 Nf6 12.b5 Nbd7 13.bc6 bc6 14.Bf3 Bb7 15.Ba3 g5 16.Rab1 Nb6 17.c5 dc5 18.Na4 Na4 19.Qa4 Nd5 20.Rfc1 Rf7 21.Bh5 Rf6 22.Qb3 Rh6 23.Bd1 Ba6 24.e4 1–0. Wirthensohn – van der Vliet, Cleveland 1979.

7.Nc3 a6 8.Be2 Nc6 9.Qb3 b5 10.0-0 Rb8 11.a3 Be6 12.Qc2 Bd7 13.Rac1 Ne8 14.Nd5 f5 15.d4 e4 16.Nd2 Ne7 17.Ne7 Qe7 18.d5 Bb2 19.Qb2 Nf6 20.Nb3 bc4 21.Bc4 Rb6 22.Nd4 Qe5 23.Qc3 Rc8 24.Nc6 Qc3 25.Rc3 Bc6 26.dc6 Kf8 27.Be2 Re8 28.Rb1 Re5 29.Kf1 Rc5 30.Rc5 dc5 31.b5 ab5 32.Bb5 Nd5 33.a4 Nc3 34.Rb3 Nb5 35.ab5 Ke7 36.Rb1 c4 0–1. Goumas,Georgios (2275) – Banikas,Hristos (2570), Aigialias op 1st, 2008. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5)

7.Nc3 Na6 8.a3=.

7.Nc3 Nc6 8.b5 Ne7 9.Be2 Ne8 10.d4 ed4 11.Nd4 c5 12.bc6 bc6 13.0-0 Rb8 14.Qd2 c5 15.Nb3 Be6 16.Rfd1 Qb6 17.Ne4 Bb2 18.Qb2 d5 (better is 18...Qa6!?+=) 19.cd5+– Bd5 20.Qe5 Be4 21.Qe4 Nf5 22.Rac1 Ned6 23.Qd5 c4 24.Bc4 Nc4 25.Qc4 Rfd8 26.h3 Qf6 27.Qf4 Qb2 28.e4 (better is 28.Rd8!? Rd8 29.Qc7+–) 28...Qa2+/- 29.Rd8 Rd8 30.Qc7 Rf8 31.ef5 Qb3 32.fg6 hg6 33.Qa7 Qb2 34.Qe3 Kg7 35.Rc7 Qf6 36.g3 Rd8 37.h4 Rd1 38.Kg2 Rd6 39.Rc4 Re6 40.Qd3 Rd6 41.Qe2 Rd4 42.Rd4 Qd4 43.f4 Qd5 44.Kh2 Kh7 45.Kh3 Qf5 46.Kg2 Qd5 47.Qf3 Qd2 48.Kh3 Qe1 49.g4 Kg7 50.g5 Qg1 51.Qe2 Qh1 52.Kg3 Qg1 53.Qg2 Qe1 54.Qf2 Qd1 55.Qe3 Kh7 56.Qc3 Qg1 57.Kf3 Qh1 58.Kg4 Qg2 59.Qg3 f5 60.gf6+/- Qe4 61.Qf3 Qf5 62.Kg3 Qf6 63.Qd5 Qe7 64.Qe5 Qa7 65.Kf3 Qb7 66.Ke3 Qb6 67.Ke4 Qd8 68.h5 Qa8 69.Kd4 Qa1 70.Kc5 Qc1 71.Kd6 Qd1 72.Ke7 Qh5 73.Kf6 Qd1? 74.Qe7+– Kh6 75.Qg7 Kh5 76.Qg6 Kh4 77.f5 Qd6 78.Kg7 Qd7 79.Qf7 Qd3 80.f6 Kg5 81.Qe8 Qd4 82.Qg6 Kf4 83.Kh7 Qd7 84.f7 Ke3 85.Kh6 Qh3 86.Qh5 Qe6 87.Kg7 Qd7 88.Qe5 Kd2 89.Qe4 Qc7 90.Qd4 Kc1 91.Qe3 Kb2 92.Qf2 Kc1 93.Kh7 Qd7 94.Qf4 Kb1 95.Kg8 Qd5 96.Qg3 Ka2 97.Qg6 Ka3 98.Kh7 Qd7 99.Qg3 Ka2 100.Qf3 Qc7 101.Qe2 Ka1 102.Qa6 Kb2 103.Qf6 Ka2 104.Qg7 Qc2 105.Kh8 1–0. Panchenko,Alexander N (2480) – Grigore,George Gabriel (2455), Bucharest–A, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Nc3 e4 8.Nd2 (8.Ne4!? Ne4 9.Bg7 Nf2 10.Kf2 Kg7 11.Be2+=) 8...ed3= 9.Bd3 Nc6 10.a3 a5 11.b5 Ne5 12.Be2 Bg4 13.f3 Be6 14.0-0 d5 15.cd5 Nd5 16.Nd5 Qd5 17.Qc2 Nd7 18.Rac1 Bb2 19.Qb2 Rfc8 20.f4 Nc5 (20...Qd6!?+=) 21.Bf3+/- Qd6 22.Qc2 Rab8 23.Qc5 Qd2 24.Qe5 Bb3 25.Qc3 Qc3 26.Rc3 Ba4 27.Rb1 c6 28.bc6 bc6 29.Rbc1 Rb2 30.h4 Kg7 31.Kh2 Rd8 32.Kg3 Rdd2 33.f5 Ra2 34.Kf4 gf5 35.Kf5 Bb5 36.Be4 h6 37.Ke5 Rd8 38.R1c2 Ra1 39.Rf2 Re8 40.Kf4 Re6 41.g4 f6 42.Rd2 Rf1 43.Bf3 c5 44.Kg3 c4 45.Kg2 Ra1 46.Rd5 Re5 47.Re5 fe5 48.Bd5 a4 49.Kf2 Kf6 50.Bc4 Bc4 51.Rc4 Ra3 52.Rc6 Kg7 53.Kf3 Ra1 54.Ke4 a3 55.Rc7 Kf6 56.Rc6 Kg7 57.Rc2 Kf6 58.Rf2 Ke6 59.Rf5 Rg1 60.Re5 Kd6 61.Ra5 Rg4 62.Kf5 Rh4 63.Ra3 Rh1 64.Ra6 Ke7 65.e4 Rh5 66.Kf4 Rh4 67.Ke5 Rh5 68.Kd4 Rh1 69.Kd5 Kf7 70.Ra7 Kg6 71.e5 h5 72.e6 Rd1 73.Ke5 h4 74.Ra4 Re1 75.Kd6 Kf6 76.Rf4+/- Kg5 77.Rf8 h3 78.e7 Kg4?? 79.Rf1! Re7 ½–½. Gelashvili,T (2595) – Bonin,J (2295), Philadelphia Open, 2011. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 e5 6.d3 0-0)

7.Nbd2 Na6 8.a3 c5 9.b5 Nc7 10.Be2 a6 11.a4 Ne6 12.Qb3 Nd7 13.Ne4 Nb8 14.Nc3 f5 15.Nd5 Nd7 16.Nd2 Nc7 17.Bf3 Kh8 18.Bc3 Nd5 19.Bd5 Nb6 20.Bf3 ab5 21.ab5 Ra1 22.Ba1 Qc7 23.0-0 Be6 ½–½. Cruz,Dan (2135) – Abella Vazquez,Cesar (2055), La Coruna op, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.d3 0-0)

7.Nbd2 c6 8.Be2 Qe7 9.0-0 h6 10.Qc2 Be6 11.Rfe1 Nbd7 12.d4 Bg4 13.h3 Bf3 14.Bf3 Rfe8 15.b5 (15.a3 a5=) 15...e4 (15...cb5 16.cb5 e4 17.Be2=) 16.Be2 cb5 17.cb5 Rec8 18.Qb3 d5 19.Rec1 Qe6 20.Ba3 Ne8 21.Rc8 Rc8 22.Rc1 Rc1 23.Bc1 Bf8 24.Nb1 f5 (24...Nc7 25.Ba3=) 25.Nc3 Ndf6 26.Na4 b6 27.Qc2 (27.Ba3 Ba3 28.Qa3 Qd6=) 27...Qd7 28.Nc3 (28.Bb2 Nc7 29.Nc3 Bd6=) 28...Bd6 29.Qb3 Kg7 (29...Nc7 30.Bd2=) 30.Kf1 (30.Nd5? Nd5 31.Bc4 Nef6–+) 30...Bf8 31.a4 (31.Ba3 Ba3 32.Qa3 Ng8+=) 31...Qc7 32.g3 Qd6 33.Bd1 Nc7 34.Qc2 g5 35.Be2 Nd7 (35...g4 36.Kg1=) 36.Kg2 Nf6 37.Bd2 Qd7 38.Na2 Bd6 39.Nb4 ½–½. Makarov,Vl (2170) – Nosov,A (2405), Tch–UKR, Alushta UKR, 2006. (=1.c4 Nf6 2.Nf3 d6 3.e3 g6 4.b4 Bg7 5.Bb2 e5 6.d3 0-0)

7.Nbd2 Be6 8.Be2 Nfd7 9.h4 h6 10.d4 f5 11.d5 Bf7 12.h5 g5 13.Qc2 b5 (13...a5 14.ba5 Na6 15.Nb3=) 14.Qf5 Bh5? (better is 14...Bd5!? 15.Qd3 Bf7+=) 15.Qc2+/- Bf7 16.cb5 Bd5 17.Bc4 Bc4 18.Qc4 Rf7 19.Ne4 Nb6 20.Qc2 d5 (20...Qd7 21.a4=) 21.Neg5+= hg5 22.Ne5 Qd6 23.Qh7 Kf8 24.Ng6 (24.Nf7?! Qb4 25.Kd1 Qb2=) 24...Ke8 25.Bg7 Qb4 26.Kf1 Rf5 (26...Qb5 27.Kg1 Kd8 28.Qh8 Kd7 29.Ne5 Ke7 30.Nf7 N8d7+–) 27.Qg8 Kd7 28.Rh7 Qb5 29.Kg1 Kc6 30.Qe6 (30.Qe6 Kb7 31.Qf5+–) 1–0. Nabaty,Tamir (2565) – Dizdarevic,Barbara (2015), Obrenovac SER, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Nbd2 h6 8.Be2= c6 9.0-0+= Re8 10.c5 Nd5 11.Ne4 dc5 12.bc5 Re7 13.Qc2 Na6 14.Rfd1 (14.a3 b6+=) 14...Qa5 (14...Nab4 15.Qc1+=; 14...b6=) 15.Rdc1+= Rb8 16.a3 Bd7 17.Nd6 Qc7 18.Rab1 b5 (18...Bg4 19.h3 Bf3 20.Bf3+/- (worse is 20.gf3 Rd8=)) 19.g3 Qd8 (19...Bg4 20.Kg2+=) 20.Bf1 (20.e4 Ndc7+–) 20...Ndc7 (20...Bg4 21.Bg2+/-) 21.Bg2 (better is 21.d4 ed4 22.Bd4+–) 21...f6? (better is 21...Bg4 22.d4 Bf3 23.Bf3 ed4+/-) 22.d4+– Kh7 (22...ed4 23.Nd4 (worse is 23.Qg6 de3 24.fe3 Be8+–) 23...f5 24.Nc6 Bc6 25.Bc6+–) 23.de5 fe5 24.Nh4 (better is 24.h4 Bg4 25.Nh2 Qd7 26.Ng4 Qg4 27.Bc6 Rd8+–) 24...Be8? (24...Re6 25.Bh3 Rf6 26.Bd7 Qd7 27.f4+–) 25.Rd1 (better is 25.Ne8 Qe8 26.Ng6+–) 25...Nd5 (25...b4 26.ab4 Nb4+–) 26.Ne8 Qe8 27.Ng6! (27.Ng6 Kg8 28.Bd5 cd5 29.Ne7 Qe7 30.Rd5+–) 1–0. Markowski,T (2605) – Jedryczka,K (2240), 8th Amplico AIG Life Rapid, Warsaw Poland, 2008. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.d3 0-0)

7.d4 e4 8.Nfd2 Be6=.

7.Be2 (--> 6.Be2 e5 7.d3).

7.Nfd2 Na6 8.a3=+.

7.Nfd2 b6 8.a4 (8.Be2 c6=) 8...a5 9.b5 Bb7 10.Nc3 c6 (10...Nbd7 11.Nf3=) 11.bc6 Nc6 12.Be2 Nb4 13.0-0 d5 14.cd5 Nfd5 15.Nce4 (15.Nd5!? Bd5 16.Rc1=) 15...f5=+ 16.Ng3 (16.Qb3 Kh8 17.Nc3 Nc3 18.Bc3 Nd3=) 16...f4-/+ 17.ef4 Nf4 (worse 17...Rf4 18.Qb3=; worse 17...ef4 18.Bg7 Kg7 19.Nge4=) 18.Bf3 (18.Nde4 Ne2 19.Qe2 Qd3-/+ (worse 19...Nd3 20.Ba3=)) 18...Bf3 19.Nf3 Nbd3 (19...Qd5 20.d4 Nbd3 21.Bc1-+) 20.Qb3 (20.Ba3 Nc5-/+) 20...Qd5 21.Qd5 Nd5 22.Ba3 Rfe8 23.Rad1 (23.Ne4 Nc3 24.Nc3 e4-/+) 23...N3f4-+ 24.Rb1 e4 25.Nd2 e3 26.fe3 Re3 27.Bd6 (27.Bb2 Rc8-+) 27...Ne2 28.Kh1 Rd8 (better 28...Nec3!? 29.Nc4 Re6 30.Nb6 Nb6 31.Rb6 Na4 32.Rb8 Rb8 33.Bb8-+) 29.Nc4-/+ Rc3 30.Nb6 Rd6 (30...Nb6 31.Rb6 Ng3 32.Bg3-/+) 31.Nd5=+ Ng3 32.hg3 Rd5 33.Rb8 Bf8 34.Rbf8 Kg7 35.R8f7 Kh6 36.g4 (36.R1f4 Rc1 37.Kh2 Rh5 38.Rh4 Rh4 39.gh4 Rc4=+) 36...Rd4 37.R1f3 (37.Ra1 Rg4 38.Ra2 Rc5-/+) 37...Rc1-+ 38.Kh2 Rg4 39.Rh3 Kg5 40.Rfh7 Ra4 41.Ra7 Raa1 42.Rb3 Kg4 43.Rg3 Kf5 44.Rf7 Ke6 45.Rgf3 Rh1 46.Kg3 g5 (46...Ke5!?-/+) 47.R7f6 (47.R3f6 Ke5=+) 47...Ke7 48.Rg6 g4 (48...a4 49.Re3 Kd7 50.Rd3 Kc7 51.Rc3 Kb7 52.Rg5=+) 49.Rg4 a4 50.Rg6 a3 (better 50...Rhe1=+) 51.Ra6+/- Rhb1 52.Kg4 (52.Rfa3 Ra3 53.Ra3 Kf6+/-) 52...a2 (better 52...Rb2!? 53.Re3 Kd7=) 53.Rf2+/- Rg1 54.Kg5 Rab1 55.Raa2 Rb5 56.Kg4 Rb4 57.Kg3 (57.Rf4 Rb7+/-) 57...Rb3 58.Kf4 Rb4 59.Kg5 Rb5 60.Kg6 Rb6 61.Kg7 Re1? (better 61...Rb4!? 62.Rf6 Rg4 63.Rg6 Rf4+-) 62.Rae2 Re2 (62...Re6 63.Re1 Re1 64.g4+-) 63.Re2 Kd8 64.g4 Rb5 65.Kg6 Rb6 66.Kh7 Rb5 67.Kh6 Rb6 68.Kh5 Rb1 69.g5 Rg1 70.g6 Kd7 71.Kh6 Kd8 (71...Rh1 72.Kg7 Kd6+-) 72.g7 Rh1 73.Kg6 Rg1 74.Kh7 (better 74.Kf7 Rf1 75.Ke6 Rg1+-) 74...Rh1 75.Kg8 Rg1 (75...Kd7 76.Re5 Kd6 77.Kf7 Rf1 78.Ke8 Ke5 79.g8Q+-) 76.Re4 Kd7 77.Kf7 Rf1 78.Kg6 Rg1 79.Kf6 Rf1 (79...Rg7 80.Kg7 Kd6+-) 80.Kg5 Rf8 1-0. Savchenko,B (2535) - Adewumi,Tanitoluwa (2135), Titled Tuesday 7th Dec (4), 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

7.g3 a5 8.b5 Nbd7 9.Bg2 Re8 10.0-0 a4 11.a3 Nc5 Black plans e4 12.Nc3 e4 13.de4 Nfe4 14.Qe1? (better 14.Nd4=) 14...Nd3 15.Qb1 Nb2 (15...Nc3?! 16.Qd3 Bf5 17.Qd2=; 15...Bc3?! 16.Bc3 Ndf2 17.Qb2 Nc3 18.Qc3-/+) 16.Ne4 Nc4 17.Qc2 (17.Nd4-+) 17...Ba1 18.Ra1 Bf5 19.Nfd2?? (19.Qc4 Be4 20.Rc1-+) 19...Nd2 20.Qd2 Be4 21.f3 Bf5 22.Rc1 Qe7 23.e4 Be6 24.Qc3 (24.f4 Rac8-+) 24...Rac8 25.h4 (25.f4 c6 26.b6 f5-+) 25...c6 26.h5 (26.b6 Qd8 27.Qb4 c5-+) 26...cb5 27.Qb2 (27.Qd2 Rc1 28.Qc1 gh5-+) 27...Rc1 (27...Qg5!? 28.Rb1-+) 28.Qc1 Rc8 29.Qb2 (29.Qd2 gh5 30.f4 h4-+) 29...Qg5 30.Qb5 (30.Bf1-+) 30…Qb5 (30...Qb5 31.Kh2 Qe2 32.g4 Rc2 33.Kg3 g5 34.f4 Qg2) 0-1. WellHung (1885) - Aaron_Whitney (2250), Hourly SuperBlitz Arena, lichess.org, 2017.

7.g3 c6 8.Bg2 Qc7 9.0-0 Be6 10.a3 h6 11.Nbd2 Nbd7 12.e4 c5 13.Qe2 b6 14.b5 a6 15.a4 ab5 16.ab5 Ra1 17.Ra1 Rb8 18.Nb3 Qb7 19.Bc3 Ra8 20.Qb2 Ne8 21.Ra8 Qa8 22.Qa1 Qa1 23.Ba1 f5 24.Bc3? Ndf6?? 25.ef5 Bf5 26.Bf1 e4 27.de4 Ne4 28.Bg7 Kg7 29.Nh4 Kf6 30.Ng2 Nc7 31.Ne3 Ne6?? 32.Nf5?? gf5+= 33.Nc1 Nd2 34.Be2? Nd4–+ 35.Kg2 Ne2 36.Ne2 Nc4 37.Nc3 Ke5 38.f4 Kd4 39.Ne2 Ke3 40.Nc3 Na3 41.Nd5 Kd4 42.Nb6 Nb5 43.Nd7?! c4 44.Nb6 c3 45.Na4 c2 46.Nb6 c1Q 47.Kh3 Qf1 48.Kh4 Qf3 49.Kh3 Qg4 50.Kg2 Nc3 51.Nd7 Ne4 52.Nf6 Qe2 53.Kh3 Qf1 54.Kh4–+ Nf2 55.Nh5 Qh3 0–1. Fournier,Frederic (1695) – euthanazor (1725), rated blitz game (2/0), 2002.

7.Qc2 a5

8.b5 Nbd7 9.Nc3 Nc5 10.Be2 Re8 11.Nd2 Be6 12.0-0 Nfd7 13.Bf3 Bf5 14.Nde4 g5 15.g4 Bg6 16.Nc5 (16.Rad1 a4+=) 16...Nc5 17.Ne4 Ne4 18.Be4 Qc8 19.f3 f5 (19...Be4 20.de4 a4 21.a3=) 20.Bf5 (20.gf5 Bf5 21.c5 Be4 22.fe4 Qh3 23.cd6 Qe3 24.Kg2 cd6=) 20...Bf5= 21.gf5 Qf5 22.Rf2 b6 (22...Rf8 23.Raf1=) ½–½. Hecht,Hans – Fedder, Malta ol, 1980. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.b5 Bf5 9.Nc3 Re8 10.Nd2 c6 11.Nce4 (11.Be2 Nbd7=) 11...d5 12.Nf6 Bf6 13.cd5 (13.Rc1 Nd7+=) 13...cd5–/+ (13...Qd5? 14.e4 Qe6 15.ef5 gf5 16.b6+–) 14.e4 Be6 15.Be2 a4 (15...Nd7 16.ed5 Bd5 17.0-0–/+) 16.Ba3 (16.0-0 Nd7+=) 16...Qa5 (16...Nd7 17.0-0+=) 17.0-0+= Rc8 (17...Qb5 18.ed5 Rc8 19.Nc4 Bd5 20.Qd2 Bc4 21.dc4+=) 18.Qb2 Nd7 19.Rac1 Bg5 20.Rc8 Rc8 21.ed5 Bd5 (worse is 21...Bd2 22.de6 fe6 23.Bf3+/-) 22.Nc4 Qd8 23.Rd1 (23.Bb4 Be7=) 23...Be7 24.Ne3 Be6 (24...Ba3 25.Qa3 Nb6 26.Nc4+=) 25.Be7 (25.d4 ed4 26.Be7 Qe7 27.Qd4 a3=) 25...Qe7 26.d4 a3 27.Qd2 ed4 28.Qd4 Qc5 (28...Nf6 29.Nc4+=) 29.h4 (29.g3!?=) 29...Qd4+= 30.Rd4 Rc1 31.Kh2 Nc5 (31...Ba2!? 32.Rd7 Be6 33.Rb7 a2–/+) 32.Bc4= Ra1 33.Nc2 Rb1 34.Na3 Rb2 (34...Rb4 35.g3=) 35.f3 Kg7 36.Be6 Ne6 37.Rd7 Nf4 38.Kg3 Nh5 39.Kh2 Nf4 40.Kg3 Nh5 41.Kh2 Rb1 ½–½. Hecht,Hans_Joachim (2330) – Kaspret,Guido (2270), 2nd Bundesliga West, 2014.

7.Qc2 Nbd7

8.Be2 b6 9.0-0 Bb7 10.Nc3 Ne8 11.Nd2 f5 12.Bf3 Bf3 13.Nf3 a5 14.a3 Nef6 15.Rfd1 h6 16.Ne2 Qe7 17.Rac1 Rfe8 18.e4 f4 19.c5 ab4 20.ab4 g5 21.cd6 cd6 22.Nc3 Rec8 23.Qb3 Kh7 24.Nb5 Ne8 25.Nd2 g4 26.d4 Qg5 27.Rc8 Rc8 28.Qe6 Rd8 29.Nc4 ed4 30.Nd4 Ne5 31.Nb6 g3 32.fg3 fg3 33.Qf5 Qf5 34.ef5 gh2 35.Kh2 Ng4 36.Kg1 Ne3 37.Rd3 Bd4 38.Rd4 Nf5 39.Rf4 Kg6 40.Nd5 Rb8 41.g4 Nfg7 42.Kg2 Rb7 43.Rf8 h5 44.gh5 Kh5 45.Kf3 Kg6 46.Ke4 Nc7? 47.Rf6+– Kh5? 48.Nf4 Kh4 49.Rh6 Nh5 50.Kf3 (50.Kf3 Rb5 51.Bf6 Rg5 52.Rh5; 50.Nh5?! Rb4 51.Bd4 Kg5 52.Rd6 Nb5 53.Rd5 Kh6=) 1–0. Monroy,Charles (2390) – Demuth,Adrien (2330), Rochefort, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Qc2 Nbd7)

8.Be2 b6 9.Nc3 Bb7 10.0-0 Ne8 11.d4 a5 12.a3 ab4= 13.ab4 Ra1 14.Ra1 Bf3 15.Bf3 ed4 16.Ra8 Qh4 17.ed4 Qd4 18.Bc6 Qe5 (18...Qg4 19.h3 Qe6 20.Nd5=) 19.Kf1 (19.Qd2 Qe6 20.Bd5 Qg4=) 19...Nef6 20.Nd5 (20.Rf8 Kf8 21.Qa4 Qf5=) 20...Qh2+= 21.Rf8 Kf8 22.Nc7 Ne5 23.Qa4 Qh1 24.Ke2 Bh6 25.Qa8 Kg7 26.Qb7 Qh5 27.f3 Qf5 28.Be4 Qd7 29.Qb8 Bf4+= 30.Bc2 Qc6 31.Bb3 Kh6 32.Qd8 Bg5 33.Nb5 Nfd7 34.Qg8 d5+= 35.Nd4 Qd6 36.g3 dc4 37.f4 Bf6 38.fe5 Qe5 39.Kf2 cb3 40.Qf7–/+ Qe7?? 41.Bc1 Kh5= 42.Qd5 Ne5 43.Nc6?? Qf7–+ 44.g4 Kh4 45.Qh1 Kg4 46.Qe4 Kh5 47.Qe2 Ng4 48.Kg3 Qd7 49.b5 Bh4 (49...Bh4 50.Kh3 Qd3 51.Qd3 Nf2 52.Kg2 Nd3–+) 0–1. Minasian,A (2590) – Socko,B (2495), XV Open de Cappelle, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2 Re8 9.0-0 c6 10.Nc3 a6 11.a4 d5 12.c5 a5 13.b5 Nc5 14.Ne5 Re5 15.d4 Rg5 16.dc5 Bh3 17.Bf3 Nd7 18.Ne2 Bb2 19.Qb2 Ne5 20.Kh1 Nf3 21.gh3 Qe7 22.Ng3 d4 23.Qe2 Nh4 24.ed4 Qd7 25.Qe4 Qh3 26.bc6 bc6 27.Qc6 Ra6 28.Qb7 Rf6 29.Ne2 Nf3 30.Qb8 Kg7 31.Rg1 Ng1 32.Rg1 Qf3 0–1. Schirmer – Krueger, 1985.

8.Be2 Re8 9.Nc3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 b6 13.0-0 Bb7 14.Nd2 Qe7 15.Bb2 Ra8 16.Bf3 Bf3 17.Nf3 Qd8 18.h3 Qb8 19.Nd2 Qb7 20.Qb3 c6 21.Nde4 Ne8 22.b5 c5 23.Nd5 f5 24.Nec3 Ndf6 25.e4 Nd5 26.ed5 Nf6 27.Rb1 h5 28.Qd1 g5 29.Ra1 Ra7 30.Ra4 Qa8 31.Qa1 Ra4 32.Na4 Qa7 33.Nb6?? (better is 33.Bc3 Nd7 34.Qd1+=) 33...Qb6–/+ 34.Qa8 Kh7 35.Bc3 Ne8?? (35...Qc7!?+=) 36.Qc6?? (better is 36.Qe8 f4 37.Qa8+–) 36...Qb8–/+ 37.b6 Bf6?? 38.b7 Bd8 39.Qc8 Bc7 40.Ba5!! Qa7 41.Bc7 1–0. Monroy,Charles (2395) – Huschenbeth,Niclas (2450), Mitropa Cup, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Qc2 Nbd7)

8.Be2 Re8 9.Nbd2 Nf8 10.0-0 h5 (10...Ne6 11.a3=) 11.d4 e4 12.Ng5 Bf5 13.Rfe1 (13.h4 N8h7=) 13...Bh6= 14.Nh3 Bh3 15.gh3 Qd7 16.Bf1 N8h7 17.d5 Bg7 18.Rad1 Ng5 (18...a5 19.b5+=) 19.Bg2 (19.Bf6 Bf6 20.Bg2 a5 21.ba5 Ra5=) 19...Nh3+= 20.Bh3 (20.Kf1!?+=) 20...Qh3–/+ 21.Bf6 Qg4 22.Kh1 Bf6 23.Rg1 Qh4 24.Rg2 Re5 (24...Re7 25.Nb3–/+) 25.Rdg1 (25.f3 a5 26.b5 Qh3=) 25...Rae8 (25...Re7 26.a3–/+) 26.f4 (26.f3!?=) 26...R5e7+= 27.Nf1 Kh7 28.Qe2 Rg8 29.Ng3 Ree8 (29...Rf8!?+=) 30.Qc2= Qh3 (30...Kh8 31.Ne4 Re7 32.a4=) 31.Ne4+= Qf5 32.Nf6 (32.Ng5 Bg5 33.Qf5 gf5 34.Rg5 Rg5 35.Rg5 Re3 36.Rh5 Kg7 37.Rg5 Kf6=) 32...Qf6= ½–½. Harris,Martyn J (1740) – Bartlett,Simon (1815), Weymouth Major op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Qc2 Nbd7)

7.Qc2 Qe7

8.a3 a5 9.b5 Nbd7 10.Nc3 Nc5 11.e4 a4 12.h3 c6 13.Be2 Bd7 14.bc6 bc6 15.0-0 Nh5 16.Rab1 f5 17.ef5 Bf5 18.Ne4 Nb3 19.Nfd2 Nf4 20.Rfe1?? Nd2–+ 21.Nd2 Qg5 22.g3 Nh3 23.Kg2 Bd3! 24.Qd3 Nf4 25.Kg1 Nd3 26.Ne4 Qf5 27.Bd3 d5 28.Re2 0–1. Stevenson,J (2075) – McNab,C (2415), ch–SCO Cumbernauld SCO, 2007.

8.Nc3 c5 9.a3=.

8.Nc3 c6 9.a4 (9.Be2 d5=) 9...Re8 (9...a5 10.b5=) 10.Nd2 (10.b5 a6=) 10...Nbd7 (10...h6 11.Be2=) 11.b5 (11.Be2 d5=) 11...Nc5 (11...d5 12.Be2=) 12.Be2 Bf5 (12...h6 13.0-0=) 13.Ba3 (13.0-0 d5=) 13...e4 14.d4 (14.Bc5 dc5 15.0-0 ed3 16.Bd3 Bd3 17.Qd3 Ng4+=) 14...Nd3+= 15.Bd3 ed3 16.Qb3 Ng4 17.0-0 Ne3 18.Rae1?? (better is 18.Rfe1 Qg5 19.fe3 Re3 20.Qb2+=) 18...Nf1–+ (18...Bd4 19.fe3 Be3 20.Kh1+=) 19.Re7 Nd2 20.Re8 (20.Qa2 Nf3! 21.gf3 Re7 22.Bd6 Re1 23.Kg2 Bd4 24.Qd2–+) 20...Re8 21.Qd1 Nc4 22.g4 (22.Nb1 Bd4 (worse is 22...Na3 23.Na3 Bd4 24.Nc4–+) 23.Bc1 Re2–+) 22...d2 (22...Na3?! 23.gf5 Nc2 24.Qd3–/+) 23.Kg2 Re1 (23...Bd4 24.gf5 Bc3 25.bc6 bc6 26.fg6 hg6 27.Bc1–+) 24.Qb3 Be4 (better is 24...Bd4 25.Nd1 Be4 26.Kh3 Na3 27.bc6 Bc6 28.g5 Bd7 29.Kg2–+) 25.Kg3 (25.Kh3 Na3 26.Qa3 Bd4–+) 25...Na3 (better is 25...Rg1!? 26.Kf4 Bd5 27.Nd5 cd5 28.Bb4–+) 26.bc6 Bc6 27.Qa2 (27.Kh3 Bf3 28.Qa2–+) 27...Nb1! 28.Qc2 (28.Qb1 Rb1) 28…Nc3 (28...Nc3 29.Qd2 Ne4 30.Kh3 Nd2 31.Kg3 Rg1 32.Kh3 Ne4 33.f3 Nf2 34.Kh4 Bf6 35.g5 Bg5#) 0–1. Lebel Arias – Maksimovic, Tuzla, 1987. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.d3 e5)

8.Be2 Re8=.

7.Qc2 Re8

8.Nc3 Nbd7 9.Be2 h6 10.0-0 Nf8 11.Nd2 N6h7 12.Nb3 f5 (12...Ne6 13.Ne4=) 13.d4+= ed4 14.Nd4 Ne6 15.Ne6 Be6 16.Rfd1 Qe7 17.Nb5 Bb2 18.Qb2 Bf7 19.Bf1 a6 20.Nc3 Nf6 21.Rac1 c6 (21...Qe5 22.Qd2=) 22.Qd2 Rad8 23.a3 Ng4 24.Qd4 (24.a4 Qg5=) 24...b5 25.Qf4 h5 26.a4+= ba4 27.Na4 Qf6 28.Nc3 c5 29.h3 g5 30.Qf3+= Ne5 31.Qb7 cb4 32.Qb4 g4 33.Nd5 Bd5 34.Rd5 gh3 35.c5 hg2 36.Bg2 dc5 37.Rcc5 Rb8 38.Qa4 Kh8 39.Rd1 Rg8–/+ 40.Qf4 Rbe8 41.Kf1 Rg4 42.Qh2 Rg5 43.Rd4= Ng6 44.Qd6 Qg7 45.Rc7 Re7 46.Qd8 Kh7= 47.Rdd7 Qa1+= 48.Ke2 Qb2 49.Kd1 Qb1 50.Kd2+= Qb4 51.Kd1 Qa4 52.Kd2 Rd7 53.Rd7 Kh6 54.Rd6 Qa2 55.Kd3 Qb3 56.Ke2 Qb2 57.Kf3?? Qb7–+ 58.Ke2 Rg2 59.Qf8 Qg7 60.Qf5 Rg5 61.Qc2 Qb7 62.Qc3 Qb5 63.Ke1 Qa5 (63...Qa5 64.Qa5 Ra5–+) 0–1. Monroy,C (2410) – Vocaturo,D (2505), Czech Open A, Pardubice CZE, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Nc3 Bf5 9.Rd1 a5 (9...c5 10.bc5 dc5 11.Ne4=) 10.b5 Nbd7 11.e4 Bg4 12.Be2 Bf3 13.Bf3 Nc5 14.0-0 Ne6 15.Nd5 Nd7 16.Bg4 Ndc5 17.Be6 Ne6 18.Rb1 c6 19.bc6 bc6 20.Ne3 Qc7 21.Rfe1 Reb8 22.Bc3 Bf6 23.g3 (23.Rb8 Rb8 24.Bd2 Bd8=) 23...Bd8 24.Rb8 Rb8 25.Rb1 Rb1 26.Qb1 Qa7 27.Kf1 Bb6 28.Ke2 (28.Ng4 Bd4 29.Bd4 Qd4 30.Nf6 Kg7 31.Ne8 Kh8=) 28...Bd4 29.Bd2 Bc5 30.Bc3 Bd4 ½–½. Hecht,Hans_Joachim (2370) – Herbrechtsmeier,Christof (2285), 2nd Bundesliga West, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Nc3 a5

8.b5 Re8 9.Be2 e4 10.Ne4 Ne4 11.Bg7 Nf2 12.Kf2 Kg7 13.Qd2 Nd7 14.Rhe1 Qe7 15.Qc3 f6 16.e4 c5 17.bc6 bc6 18.d4 c5 (18...Qe4?? 19.Bd3 Qe1 20.Re1 Re1 21.Qe1+–) 19.d5 Ne5 (19...Qe4?? 20.Bd3 Qe1 21.Re1+–) 20.Ne5 fe5 21.Kg1 Qh4 22.Bf3 Bg4 23.Rab1 Bf3 24.Qf3 Rab8 25.Rf1 Qe7 26.Rb5 Rf8 27.Qe2 Rf1 28.Qf1 Rf8 29.Qe1 a4 30.h4 g5 31.Qg3 h6 32.Qg4 Qf7 33.hg5+= Qf2 34.Kh2 Qf4 35.Kh3 Qg4 36.Kg4 Kg6 37.g3 h5 38.Kh3 Kg5 39.Rb6 Rf6 40.Rb8 Rg6 41.Ra8 Kf6 42.Kh4 Rg4 43.Kh5 Rg3 44.Ra6 Ke7 45.Ra7 Kd8 46.Ra4 Re3 47.Kg5 Re4 48.Kf5 Rh4 49.Ra8 Kd7 50.Ra7 Kd8 51.a4 e4 52.Ra8 Kd7 53.Ra7 ½–½. Panchenko,Alexander N (2475) – Rogozenco,Dorian (2500), Calimanesti, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.d3 0-0)

8.b5 h6 9.Be2 Be6 10.0-0 Nbd7 11.Rc1 Nh7 12.d4 f5 13.de5 Ne5 14.Nd4 Bf7 15.Nd5 Nf6 16.b6 Nd5 17.cd5 c5 18.dc6 Qb6 19.Ba3 Nc6 20.Nc6 ½–½. Juroszek,Tadeusz (2375) – Stachowiak,Kamil (2200), Poland–chT2 Wysowa, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nc3 a5)

7.Nc3 Nbd7

8.Be2 Re8 9.0-0 Nf8 10.h4 Bg4 11.a3 Nh5 12.Ng5 Be2 13.Qe2 h6 14.Nf3 f5 15.e4 f4 16.a4 Kh7 17.a5 Ne6 18.a6 b6 19.b5 Bf6 20.Nd5 Bh4 21.Rfd1 Be7 22.d4 ed4 23.Nd4 Nd4 24.Bd4 Nf6? 25.Nf4+– Bf8 26.Qd3 Ng4 27.Qg3 Qg5 28.Nd5 Bg7?? 29.Bg7 Kg7 30.Nc7 Rf8 31.Ne6 (31.Ne6 Kg8 32.Ng5 hg5 33.Rd6+–) 1–0. happy – bally, internet, 2011.

8.Be2 Re8 9.Qc2 a5 10.a3 b6 11.0-0 Bb7 12.Nd2 d5 13.cd5 ab4 14.ab4 Nd5 15.Nd5 Bd5 16.Ra8 Ba8 17.Rc1 c5 18.bc5 Nc5 19.Ba3 (19.Ne4 Be4 20.de4 Qh4=) 19...Bf8 (19...Bg2!? 20.Bc5 Bh3+=) 20.Bc5= Bc5 21.Bf3 Bf3 22.Nf3 Qd5 23.Qc3 Bf8 24.Qc4 (24.Rb1 Qd6=) 24...Rd8 25.Qd5 Rd5 26.d4 ed4 27.Nd4 b5 28.Kf1 b4 29.Rb1 (29.Rc7 Ra5=) 29...Bc5 30.Ke2 Bd4 31.ed4 Rd4 32.Ke3 (32.g3!?=) 32...Rh4+= 33.h3 g5 34.g3 Rh3 35.Rb4 Kg7 36.Kf3 Rh2 37.Ke2 h5 38.Kf1 Rh1 39.Kg2 Re1 40.Rb5 Kg6 41.Rb8 Re2 42.Rb6 f6 43.Rb4 Kf5 44.Rb5 Re5 45.Rb4 Re4 46.Rb5 Kg6 47.Ra5 g4 48.Rb5 f5 49.Rb6 Kg5 50.Rb5 Kf6 51.Rb6 Re6 52.Rb8 Kg7 53.Rb5 Kg6 54.Rb4 Re4 (54...Kg5!?–/+) 55.Rb6+= Kg5 (55...Kf7 56.Rh6 Re2+=) 56.Rb5–/+ Re6 57.Ra5 Rh6 58.Ra8 h4 59.Rg8 Kf6 60.gh4 Rh4 ½–½. Shumiakina,Tatiana – Daniliuk,Sergey, It (open), Pardubice, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Nc3 Re8

8.Qc2 a5 9.b5 d5 10.cd5 Nd5 11.a3 c6 12.bc6 Nc6 13.Nd5 Qd5 14.Be2 Bg4 15.h3 Bd7 16.Rc1 b5 17.0-0 Rec8 18.Qb1 b4 19.ab4 Nb4 20.Rc8 Rc8 (worse is 20...Bc8 21.Ne5 Rb8 22.Nc4+/-) 21.Rc1 Rc1 22.Qc1 h6 23.Qc3 Nc6 24.Nd2 a4 25.Nc4 Qb5 26.Bf3 Nb4 27.Nd6 (worse is 27.Ne5 Nd3 28.Qd3 Qd3 29.Nd3 Bb2–/+) 27...Qd3 28.Qb4 Qb1 29.Kh2 e4 30.Qc4 Qb2 31.Qf7 Kh7 32.Nc4?? (32.Ne4 Qe5 33.Ng3 Qe6=) 32...Qf2+= 33.Ne5 Bf5 (worse is 33...Qe3 34.Nd7 Kh8 35.Qe8 Kh7 36.Qe4 (36.Be4?! Qf4 37.g3 Qf2 38.Bg2 a3+/-) 36...Qe4 37.Be4+–) 34.Bh5 gh5 35.Nd7 Qb2 36.Qf5 Kh8 37.Qe4 Qb3 38.Qa8 Kh7 39.Qe4 Kg8 40.Qe8 Kh7 41.Qe4 Kh8 42.Qa8 ½–½. Petronic,Jovan (2490) – Pavlovic,Milos (2485), YUG–chT Niksic, 1997. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5)

8.Qc2 d5 9.cd5+= Nd5 10.a3 a5 11.b5 c6 12.Rb1 cb5 13.Nb5 Nc6 14.Be2 Be6 15.0-0 Rc8 16.Qd2 Nc7 17.Nc3 Na6 (17...f5 18.Ba1 Rb8 19.Rfc1=) 18.d4 (18.Rfc1 Nc5 19.Rc2 Qf6=) 18...e4 (18...ed4!? 19.ed4 Nd4 20.Nd4 Qd4 21.Qd4 Bd4+=) 19.Ne1 (19.Ne4 Bf5 20.Ba6 ba6+=) 19...Bd5 (19...Nc5 20.Bb5=) 20.g3 (20.Nd5 Qd5 21.Bc3 Nc7+=) 20...Re6 (20...Bb3 21.Ba1 a4 22.Bb5=) 21.Ng2 (better is 21.Nd5 Qd5 22.Bc3+=) 21...g5? (better is 21...Bb3=) 22.Rfc1 (22.Bg4!?+/-) 22…Rh6 1–0. Hasangatin,Ramil (2460) – Petrosian,Davit Gevorgi (2350), Open, Moscow RUS, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2= a5 9.b5 e4 10.Nd4 c5 11.bc6 bc6 (better is 11...Nc6!? 12.Ncb5 ed3 13.Bd3 Bg4=) 12.de4+/- a4 13.Rb1 Qc7 14.0-0 Ne4? (14...Nbd7!?+/-) 15.Ne4+– (15.Na4?! Qa5 16.f3 Qa4 17.fe4 Qd1 18.Bd1 Re4=) 15...Re4 (15...a3 16.Nb5! cb5 17.Nd6+–) 16.Bf3 Re8 (16...Re7 17.Nb5! cb5 18.Bg7+–) 17.Nb5! cb5 18.Bg7 Bg4? (18...Kg7 19.Ba8 bc4+–) 19.Bg4 (19.cb5?! Bf3 20.Qf3 Nd7+–) 19...Kg7 20.Qd4 Kg8 21.cb5 Nd7 (21...Qc5 22.Rfd1+–) 22.b6 Qd8 23.b7 Rb8 24.Qa4 Nc5 25.Qc6 (25.Qa7 Qg5 26.Bf3 Nd3+–) 25...Ne4 (25...Re7 26.Bc8+–) 26.Rfc1 Qh4 (26...Nc5 27.Rd1+–) 27.Qe8! Re8 28.Rc8 Qf2 29.Kh1 Qe3 (29...Rc8 30.bc8Q (30.bc8R? Kg7 31.Bf3 Nd2–+) 30...Kg7 31.Qc1 Qa2 32.Bf3+–) 30.Re8 Kg7 31.Re4! (31.Re4 Qe4 32.b8Q Qg4 33.Qd6+–) 1–0. Khurtsidze,Nino (2460) – Videnova,Iva (2315), Plovdiv BUL, 2014. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5 7.Nc3 Re8)

7.Nc3 Bg4

8.Be2 Nbd7 9.Qb3 a5 10.ba5 Nc5 11.Qb4 Bf3 12.gf3 c6 13.Qb6 Ra5 14.Qd8 Rd8 15.Ne4 Nfe4 16.de4 Rda8–/+ 17.a3 Na4 18.Bc1 Bf6 19.Bd2 R5a7 20.Bb4 Nc5 21.0-0-0 Be7 22.Kb2 Na4 23.Kc2= c5 24.Bd2 Nb6 25.Bc1 Nc8 26.Rhg1 Kf8 27.Bb2 Bh4 28.Rg2 Bd8 29.Be5 de5 30.Rd8 Ke7 31.Rd5 f6 32.Rc5+= Ra3 33.Rc7+/- Kd6 34.Rb7 Ra2 35.Rb2 Nb6 36.Bd3 Kc5 37.Ra2 Ra2 38.Kb3 Ra1 39.Rg3 Rh1 40.Rh3+– h5 41.f4 Nd7 42.f5 gf5 43.ef5 Kd6 44.Rh5 Nc5 45.Kc2 e4 46.Be2 Ra1 47.f4 ef3 48.Bf3 Ke5 49.Bd5 Ra3 50.Kd2 Ra2 51.Ke1 Nd3 52.Kf1 Rf2 53.Kg1 Re2 54.e4 Nf4 55.Rh7 Nd3 56.h4 Kf4 57.Rg7 Rb2 58.Rg6?? Ne5= 59.h5?? Nf3 60.Kf1 Ke3 61.Rf6 Rf2# 0–1. craftyC – Dzindzichashvili,Roman, ICC, 1995.

8.h3 Be6 9.Be2 a6 10.d4 ed4 11.Nd4 Nc6 12.Ne6 fe6 13.Qb3 Nd7 14.0-0 Nce5 15.Rad1 Qe7 16.f4 Nc6 17.Kh2 a5 18.a3 ab4 19.ab4 h6 20.Ra1 Kh7 21.Rfd1 Bf6 22.Bd3 Qg7 23.g3 Rfe8 24.Be4 Ra1 25.Ra1 d5 26.Bd3 Nb6 27.b5 dc4=+ 28.Bc4 Nd8 29.Rd1 Nd5 30.Nd5+– ed5 31.Bf6 Qf6 32.Rd5 Rg8 33.e4 Rg7 34.e5 Qf8 35.Rd2 Qe7 36.Qf3 Qb4 37.Qd3 Nf7 38.Qc2 Qe7 39.Bd5 b6 40.Be4 Nh8 41.Qc6 h5 42.e6 h4 43.Rd7 hg3 44.Kg3 Qa3 45.Kg4 Qe3 1–0. Comet B50 – Comet B25, 2004.

8.h3 Be6 9.Be2 a6 10.Ng5 Nc6 11.Ne6 fe6 12.Qb3 d5 13.cd5 ed5 14.Bf3 Ne7 15.Ne4 c6 16.Nc5 Qb8 17.Qc3 d4 18.ed4 ed4 19.Qd4 Rf7 20.Qc4 Ned5 21.0-0 a5 22.Ne6 Ng4 23.Qg4 Bb2 24.Rab1 Be5 25.Bd5 cd5 26.f4 Bc3 27.f5 Rf6 28.ba5 Ra6 29.Qh4 Rf5 30.Rf5 gf5 31.Qe7 b5 32.d4 Ra7 33.Qg5 Kh8 34.Qf6 Kg8 35.Rb5!! Qe8 36.Rd5 Bd2 37.Rd8 Qd8 1–0. Fritz 5.32 – Comet B50, 2004.

8.h3 Be6 9.Ng5 Na6 10.a3 h6 11.Ne6 fe6 12.Be2 Kh7 13.0-0 Qd7 14.d4 ed4 15.ed4 Rae8 16.b5 Nb8 17.Re1 d5 18.Qd3 c6 19.a4 dc4 20.Qc4 Nd5 21.Ne4 Nf4 22.Bg4 Qd5 23.Rac1 h5 24.Bf3 Qc4 25.Rc4 Nd3 26.Re2 Nb2 27.Rb2 Kg8 28.b6 a6 29.Nc5 Rf7 30.Be4 Kh7 31.Rb3 Kh6 32.h4 Ree7 33.Rg3 Rf6 34.a5 Bf8 35.Nd3 Nd7 36.Rg5 Rg7 37.f4 Be7 38.g4 hg4 39.Rg4 Rf8 40.Ne5 Ne5 41.de5 Rd8 42.Kh2 Rd2 43.Kh3 Ra2 44.Rc3 Ra5= 45.Rcg3 Ra3 46.Bd3 Bc5 47.Rg6 Rg6 48.Rg6 Kh7 49.Rg3 Kh6 50.Bc2 Ra1 51.Bb3 Rh1 52.Kg4 Bb6 53.Be6 Bf2 54.Rd3 a5 55.Rd7 Be1? 56.Bf5+– Rg1 57.Kf3 Rg7 58.Rd6 Kh5 59.Rd8 Rg6 60.Bg6 Kg6 1–0. Comet B25 – Comet B50, 2004.

7.Nbd2 a5

8.a3 b6 9.Be2= Bb7 10.0-0 Nbd7 11.Qc2 Qe7 12.e4 Nh5 (12...Ra7 13.h3+=) 13.g3= f5 (13...Nhf6 14.Bc3=) 14.Rfe1 (14.ef5 Rf5 15.Ne4=) 14...c5 (14...f4=) 15.Bf1?? (better is 15.ef5!? gf5 16.bc5 bc5 17.Rab1+/-) 15...f4 (15...fe4 16.de4 cb4 17.ab4 ab4 18.Qb3+=) 16.Bc3= a4 (16...cb4 17.ab4 ab4 18.Bb4=) 17.Rab1 Bc6 18.Bh3 Bh6 19.g4 (19.Rf1 Nhf6=) 19...Ng7+= 20.Bg2 Ne6 21.h4 Bg7 22.Kh2 (22.g5 cb4 23.Rb4 Ra6–/+) 22...h6 (22...Nd4 23.Qa2–/+) 23.Rh1 (23.Kg1 Nf6 24.h5 gh5 25.bc5 bc5 26.gh5 Nh5+=) 23...Rfb8 24.Bh3 g5 (24...Nd4 25.Qd1+=) 25.b5 (25.hg5 hg5 26.Bg2 Kf7+=) 25...Bb7+= 26.h5 Ra7 27.Rbg1 Bc8 28.Qd1 Rba8 29.Qf1 Bf6 30.Qd1 Bg7 31.Qf1 Bf6 32.Qd1 Bg7 ½–½. Markowski,Tomasz (2575) – Czarnota,Pawel (2525), Poland, Ekstraliga, 2014. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 a5)

8.a3 Nc6 9.Bc3 (9.b5 Nb8=) 9...Qe7 (9...ab4 10.ab4 Ra1 11.Qa1=) 10.Be2 (10.b5 Nd8=) 10...Bf5 (10...ab4 11.ab4 Bf5 12.0-0=) 11.Nb3 (11.b5 Nb8=) 11...ab4 12.ab4 d5 (12...Ra1 13.Qa1 d5 14.Ne5 Ne5 15.Be5 dc4 16.dc4 Qb4 17.Qc3 Qc3 18.Bc3=) 13.b5 Ra1 14.Ba1 (14.Na1 Nb4 15.Qd2 c5 16.Ne5 dc4 17.Bb4 Qe5–/+) 14...Nb4 (14...e4 15.de4 de4 16.bc6 ef3 17.Bf3+=) 15.Ne5+= (worse is 15.Be5 dc4 16.Nc1 Rd8+=) 15...Ne8 16.Qd2 (better is 16.c5!?+=) 16...Be5–/+ 17.Be5 dc4 18.Bc3 Nd3 (worse is 18...cb3 19.Bb4 Nd6 20.b6+=) 19.Bd3 Bd3 (worse is 19...cb3 20.Bf5 gf5 21.Qd4+/-) 20.Nc1 Qg5 21.Nd3 Qg2 22.Rf1 cd3 23.Qd3 Qg4 24.b6 cb6–/+ 25.Qd4 Qd4 26.Bd4 Nd6 27.Ke2 Ra8 28.Rb1 Ra2 29.Ke1 b5–+ 30.Be5 Nc4 31.Bc3 Rc2 32.Bd4 Nd2 33.Rb5 Nf3 34.Kf1 Rc7 35.Bb6 Rd7 36.Kg2 Nh4 37.Kg3 Nf5 38.Kf3 h5 39.Rb1 Ne7 40.Bc5 Nc6 41.Rb3 Kg7 42.Ba3 Kf6 43.Ke2 Ke6 44.h3 g5 45.Rb5 f5 46.Bb2 g4 47.hg4 hg4 48.Kf1 Rf7 49.Kg2 Na7 50.Re5= Kd6 51.e4 Nc6 52.Rf5 Rf5 53.ef5 Ne5 54.Kg3 b5 55.Bd4 Nd3 56.Kg4 Kd5 57.Ba1 Nf2 58.Kf4 Ne4 59.f6 Nf6 60.Bf6 ½–½. Csom,Istvan – Urban,J, Budapest GM, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.a3 Bd7 9.Be2=.

8.a3 Nbd7 9.Be2 b6 10.0-0 Bb7 11.Qc2 Qe7 12.Bc3 a4 13.Ne1 h5 14.Bf3 Bf3 15.Nef3 (15.gf3?! Rfe8=) 15...Ng4 16.Rfe1 f5 17.Rad1 Rf7 18.Re2 Bh6 19.Nf1 Bg7 20.N3d2 h4 21.h3 Nh6 22.e4 f4 23.Nf3 g5 24.N1h2 Bf6 25.d4 Rg7 26.de5 Be5 27.Ne5 de5 28.f3 Nf6 29.Red2 Nf7 30.Bb2 Rg6 31.Qc3 Re8 32.Ng4 Ng4 33.hg4 Rd6 34.Rd5 c6 (34...Qe6 35.Qd3+=) 35.Rd6 Nd6 36.c5 bc5? (better is 36...Nb5!? 37.Qc4 Qf7 38.Qf7 Kf7 39.cb6 Ke6+/-) 37.Qc5+– Nf7 38.Qc6 Rd8 39.Qa4 Rd1 40.Qd1 Qa7 41.Kf1 1–0. Stean,Michael (2485) – Matera,Salvatore Joseph, Marshall CC New York, 1977. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.b5 a4 9.Rb1 Nbd7 10.Be2 Nc5 11.0-0 Bf5 12.Ne1 e4 (better is 12...a3!? 13.Bc1 d5=) 13.Bf6+/- Bf6 14.d4 Nd3 15.Nd3 ed3 16.Bf3 Qc8 17.Ne4 Bg7 18.Rb4 (18.Qd3?! Re8 19.b6 cb6=) 18...Ra5 19.Ng3 (19.Qd3?! Re8 20.b6 c5 21.dc5 dc5+=) 19...Be6 20.Qd3 c5 21.bc6! bc6 22.Rb6 Ra6 23.Rfb1 Rb6 24.Rb6 Qc7 25.Rc6 Qb8 26.Ra6 Qb4 27.Bd5 Rc8 28.a3 Qb3 29.Qb3 ab3 30.Rb6 (30.Rd6? Bd5 31.Rb6 Bc4–+) 30...Bd5 31.cd5 Rc1 32.Nf1 Rb1 33.Rb8 (worse is 33.Rd6 Bf8 34.Rb6 b2+–) 33...Bf8 34.g3 f5 35.Kg2 Rb2 36.a4 Kf7 37.a5 Ra2 38.Rb3 Ra5 39.Rb7 Be7 40.Nd2 Rd5 41.Nc4 g5 42.f4 g4 43.Kf2 Ke6 44.Ke2 h5 45.Kd3 Bd8 46.Kc2 h4 47.Kb3 hg3 48.hg3 Ba5 49.Ka4 (49.Na5?! Ra5 50.Kc4 Ra4 51.Rb4 Ra3 52.d5 Kf6+=) 49...Be1 50.Rh7 Bg3 51.Nb6 Rd4 52.ed4 Bf4 53.Kb3 Bg5 54.Kc4 g3 55.Rh1 f4 56.Rg1 Kf5 57.Nc8 Kg4 58.Nd6 f3 59.Ne4 g2 60.Kd3 Bf4 ½–½. Hasangatin,Ramil (2500) – Nalbandian,Tigran (2520), Moscow Aeroflot op–B, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 a5)

8.b5 b6 9.Be2 Bb7 10.0-0 Nbd7 11.Ng5 h6 12.Bf3 Bf3 13.Ngf3 Qe7 14.Ne1 Rfe8 15.e4 Nh5 16.g3 Nc5 17.Qg4 Qe6 18.Qe2 Qe7 19.Ng2 Ne6 20.Qg4 Qg5 21.Qg5 hg5 22.Rfd1 f5 23.f3 Kf7 24.Ne3 f4 25.Nef1 fg3 26.hg3 Rh8 27.Kg2 Nf6 28.Ne3 Rh7 29.Nd5 Rah8 30.Nf1 Nd5 31.cd5 Nc5 32.Bc1 Bf6 33.Be3 Ke7 34.Bg1 Kd7 35.Ne3 Bg7 36.Ng4 Rf8 37.Be3 Rh5 38.Rd2 Nb7 39.Rc1 Nc5 40.Re1 Kc8 41.Nf2 Rfh8 42.Rh1 Bf6 43.Rdd1 Bd8 44.Rh3 Kb7 45.Rdh1 Be7 46.d4 ed4 47.Bd4 R8h7 48.Ng4 Nd3 49.Nf2 Rh3 50.Nh3 Nb4 51.a4 Nd3 52.Nf2 Rh1 53.Nh1 Nc5 54.Kh3 Na4= 55.Kg4 Nc5 56.Nf2 a4 57.Nh3? a3 58.Ng5+= Nd7 59.Nh7 Ne5–/+ 60.Kf4 a2 61.Ke3 Nc4 62.Kd3 Na3 63.f4 Nb5 64.Ba1 Kc8 65.f5 gf5 66.ef5 c5 67.dc6 Nc7? 68.f6+– Nd5 69.g4 Kd8? 70.g5 Nf4 71.Ke4 Ng6 72.Kf5 Bf8 73.Kg6 Ke8 74.Kf5 d5 1–0. Meulner,Klaus (2035) – Hanisch,Friedrich (2035), Regionalliga NO, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 a5)

8.b5 Nbd7 9.Be2 (9.h3 e4 10.de4 Re8+=) 9...Nc5 10.Rc1 Bf5 11.Nb3 Nfd7 12.d4 (12.Nc5 dc5 13.Qd2 e4 14.Bg7 Kg7 15.de4 Be4=) 12...Nb3 (12...e4 13.Ng1=) 13.ab3 Re8 14.0-0 e4 15.Nd2 Qg5 16.Re1 h5 17.Bf1 h4 18.Kh1 (18.Qc2 Nf8=) 18...Nf6 (18...h3 19.gh3 Qh6 20.Bc3+=) 19.h3 Qh6 (19...Bf8 20.d5 Nh7 21.Re2=) 20.c5 (20.Qc2 g5=) 20...Nd5 (20...d5 21.Nb1=) 21.cd6 cd6 22.Nc4 g5 23.Ba3 Re6 (23...Bf8 24.Qd2+=) 24.Be2 (24.Nb2 Rf6+=) 24...Bf8 25.f3 (25.Rc2 b6=) 25...Rae8 26.Na5?? (better is 26.fe4 Be4 27.Bf3=) 26...Ne3–+ 27.Qd2 Nd5?? (better is 27...ef3 28.Bf3 g4 29.hg4 Bg4–+) 28.fe4 Be4 29.Bf1?? Qg6?? 30.Nc4?? Nf4 31.Ne3 Nh3 32.d5 Rf6 33.Ng4 Rf4 34.Nh2 Nf2 35.Kg1 Qf5 36.Rc4 Re5 37.Rd4? Rd5 38.Bc4?? Nd3 39.Rd5+– Bd5 40.Qd3 Qd3 (40...Qd3 41.Bd3 Rd4+/-) 0–1. Laske,Matthias (2220) – Bosbach,Gerhard (2220), BL2–Sued, 2002. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6 5.c4 0-0 6.d3 e5 7.Nbd2 a5)

7.Nbd2 a6

8.Be2 Nc6 9.a3 Bf5 10.Qc2 Qe7 11.Ne4 Ne4 12.de4 Be6 13.Nd2 f5 14.ef5 gf5 15.b5 Nd8 16.g3 Bd7 17.0-0 Ne6 18.Rfe1 Nc5 19.a4 Qf7 20.f4 Kh8 21.Nb3 Ne4 22.Nd2 Nc5 23.Nb3 Ne4 24.Rec1 Rfe8 25.Bd3 ef4 26.ef4 Qg6 27.Qg2 Re7 28.Re1 Rae8 29.Nd4 Bf6 30.Nf3 Qg7 31.Bf6 Qf6 32.Qc2 Qg7 33.Kf1 Rg8 34.Qg2 Be8 35.Rac1 Bh5 36.Nh4 Bg4 37.Be4?? fe4+= 38.Qd2 Rge8 39.Re3 Kg8 40.Kf2 Kf8 41.Rce1 ab5 42.ab5 Qf6 43.Ra3 Bd7 44.Ng2 d5 45.cd5 Bb5 46.Ne3 Bd3 47.Rc1 c6 48.Qb4 Kg8 49.dc6 bc6 50.Rc5 h6 51.Qb6 Rc8 52.Rac3 Bb5 53.Rc2 Rf8 54.Rf5 Qe6 55.Rf8 Kf8 56.Qc5 Kf7 57.Qc3 Qf6 58.Qf6+/- Kf6 59.Ng4 Kg7 60.Ke3 Rd7 61.Ne5 Rd6 62.Ke4 h5 63.Kf5 Ba4 64.Rb2 c5 65.Rb7 Kf8 66.Rc7 Rd1 67.Kf6 Rd6 68.Kg5 Rd2 69.Rc5 Rh2 70.Kf6 Rc2 71.Ra5 Be8 72.Ra8 Re2 73.Ng6 Kg8 74.Ne7 Kh7 75.Re8 Re3 76.f5 1–0. Csom,Istvan (2405) – Peter,Ambrus (2315), Budapest Honved, 1994. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2 Nc6 9.Qb3 Re8 10.Rc1 Bf5 11.0-0 e4 12.de4 Ne4 13.Ne4 Be4 14.Bg7 Kg7 15.c5 dc5 16.Rc5 Qf6 17.Nd2 Rad8 18.Ne4 Re4 19.Bf3 Re6 20.Bd5 Red6 21.e4 Nd4 22.Qe3 Nf5 23.Qf4 g5 24.Qf3 (worse is 24.Qf5 Qf5 25.ef5 Rd5 26.Rc7 R8d7 27.Rd7 Rd7=) 24...Ne7 25.Qf6 Kf6 26.Bb7 Rb6 27.Rc7 Rb4 28.e5! Ke6 29.Bf3 Ra4 30.Bd1 Ra5 31.Bb3 Nd5 32.Re1 Rd7 33.Rc6 Ke7 34.e6 fe6 35.Ree6 Kd8 36.Ra6 Rc5 37.Ra8 Kc7 38.g3 Kb7 39.Bd5 Rcd5 40.Rea6 Rd1 41.Kg2 1–0. Hasangatin,R (2495) – Haugli,P (2300), Norsk Sjakkfestival, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Nbd2 b6

8.Be2 Bb7 9.0-0 a5 10.a3 Nbd7 11.Qc2 Qe7 12.Bc3 ab4 13.ab4 Rfb8 14.Ne4 Qd8 15.Nfd2 Ra1 16.Ra1 Ra8 17.Qb2 Kf8 18.Bf3. Jaracz,Pawel – Socko,Bartosz, Memorial Anderssena Wroclaw Poland (year?). (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2 Bb7 9.0-0 Qe7 10.Rc1 Nbd7 11.c5 (better is 11.e4!?=) 11...bc5–/+ 12.bc5 Nc5 13.Ne5 de5 14.Ba3 Nfd7 15.Bf3 Bf3 16.Qf3 Rab8 17.Nb3 (17.Ne4 Rb5 18.Nc5 Rc5=) 17...Rfd8 (better is 17...Rb3 18.ab3 Rb8–/+) 18.Nc5= Nc5 19.Bc5 Qd7 20.Ba7 Rb2 21.a3 Ra2 22.Qb7 Ra3 23.Rc7 Qe6 (23...Qd3? 24.Rf7 Bf8 25.Rh7+–) 24.Re7 Rb3 25.Qc7 (worse is 25.Re6 Rb7 26.Ra6 Rd3+=) 25...Rc8 26.Re6 Rc7 27.Re8 Bf8 28.Bb8 Re7 29.Rd8 f6 30.Rd1?? (better is 30.Bd6 Rf7 31.d4 ed4 32.ed4+/-) 30...Reb7+= 31.Bd6 Rf7?? (better is 31...Rd3! 32.Rf8 Kg7+=) 32.g4 Kg7 33.Bf8 Rf8 34.Rf8 Kf8 35.Kg2 Kf7 36.Rd2 Ke6 37.Kg3 h6 38.h3 Rc3 39.Kf3 Rc1 40.Kg3 Rc3 41.Kf3 Rc1 42.Ra2 Rd1 43.Ra7 Rd3 44.Rh7 Rd2 45.h4 e4 46.Kg3 g5 47.h5 Rd1 48.Rh6 Rg1 49.Kh3 Ke5 50.Rg6 Ke6 51.Rg7 Rh1 52.Kg2 Rh4 53.Kg3 Rh1 54.Rg8 Rg1 55.Kh3 Rh1 56.Kg2 Rh4 57.Kg3 Rh1 58.Re8 Kd5 59.Re7 Rg1 60.Kh3 Rh1 61.Kg2 Rh4 62.f3 ef3 63.Kf3 Rh3 64.Kg2 Rh4 65.Kg3 Rh1 66.Ra7 Ke5 67.Ra4 Ke6 68.Ra2 Rg1 69.Rg2 Re1 70.Kf2 Rh1 71.Rg1 Rh4 72.Rg3 Rh1 73.Rf3+/- Rh2 74.Kg3 Rh1 75.Rf5 Rg1 76.Kh3 Rh1 77.Kg2 Rh4? 78.Kg3+– Rh1 79.e4 Rg1 80.Kf3 Rh1 81.e5! fe5 82.Rg5 Kd5 83.Kg2 Rh4 84.Rg6 e4 85.h6 e3 86.Kf3 Rh3= 87.Ke2 Ke4 88.g5 Rh2 89.Kf1 e2 90.Ke1 Kf3 91.Re6 Rh1 92.Kd2 Rd1 93.Kc2 Rh1 94.g6 Rh6 95.g7?? Re6–+ 96.g8Q e1Q 97.Qf7 Kg4 98.Qg7 Kf5 (98...Kf5 99.Qf7 Rf6 100.Qh5 Kf4 101.Qh2 Qg3 102.Qd2 Qe3 103.Qh2 Kf3 104.Qh3 Ke2 105.Qg4 Rf3–+) 0–1. Schlinkmeier,Karsten (2095) – Killinger,Wilhelm (2030), Regionalliga SW, 1998. (=1.Nf3 Nf6 2.c4 d6 3.b4 g6 4.Bb2 Bg7 5.e3 e5 6.d3 0-0)

7.Nbd2 Nc6

8.a3 a6 9.Be2 b5 10.cb5 ab5 11.0-0 Ne7 12.Nb3 Nf5 13.e4 Nh6 14.Qc2 Bg4 15.h3 Bf3 16.Bf3 d5? (16...Re8 17.Rfc1 Ra7 18.d4+/-) 17.Rfd1 (better is 17.Be5!? Qe7 18.Bf4 (18.Bc7?! Rfc8=) 18...de4 19.de4+–) 17...d4+/- 18.Rdc1 Rc8 (18...Ne8 19.Qc6 Rb8 20.a4 ba4 21.Ra4+=) 19.Na5 g5 (better is 19...Ne8!?+/-) 20.Nc6 Qd7 Black plans g4 (20...Qe8+–) 21.Ne5 Qe6 22.Bd4 g4 23.Ng4 Nfg4 24.Bg7 Kg7 25.hg4 Ng4 26.Qe2 Nh6 27.Rc5 Kh8 28.Rg5 Rg8?? 29.Rg8 Rg8 30.g3 Qh3 31.Bg2 Qe6 32.d4 f5 33.d5 Qe5 34.Re1 Ng4? 35.ef5 Qf5 36.Bh3 Qh5 37.Bg4 Rg4 38.Qe8 Rg8 39.Qh5 (39.Qh5 Rg6 40.Re7 Rg3 41.fg3 c5 42.Qh7) 1–0. Fournier,Frederic (1850) – cajamarca, Active (5/0), 2005.

8.b5 Ne7 9.Qc2 Nd7 10.d4 c6 11.a4 f5 12.de5 de5 13.c5 Nd5 14.Bc4 e4 15.Nd4 Ne5 16.0-0 Kh8 17.Rfd1 Nb4 18.Qc3 Nbd3 (better is 18...cb5!? 19.ab5 Nc4 20.Nc4 Nd3+=) 19.Bd3+/- Nd3 20.Nc4?? (better is 20.Nf5 Qf6 21.Qf6 Rf6 22.Bf6 Bf6 23.Ne4 Ba1 A) 24.Rd3 Bf5 (24...gf5? 25.Rd8 Kg7 26.Nd6+–) 25.f3 Re8–/+; B) 24.Nfd6 cb5 25.ab5 (25.Rd3?! ba4 26.Ra3 Bg7+/-) 25...Nc5 26.Nc5+– (26.Ra1?! Ne4 27.Ne4 a5+–)) 20...Qh4 21.Rd3 ed3 22.Nf5 (better is 22.Qd3!? Qe7 23.bc6 bc6 24.Nd6=) 22...Qf2!?+= (worse is 22...Bc3 23.Bc3 (worse is 23.Nh4 Bb2 24.Nb2 cb5+=) 23...Qf6 24.Bf6 Rf6 25.Nfd6+=) 23.Kf2 Rf5 24.Kg3 Bc3 25.Bc3 Kg8 26.Bd4 Be6 27.Nd6 Rg5 28.Kf2 Rf8 29.Kg1 Bh3 30.g3 d2 31.Ne4 Rgf5 32.Nd2 Rf2 33.Bc3 Rg2 34.Kh1 Rff2 35.Nf1 (35.Nf3 Rf3 36.Bd4 Rff2 37.e4 Rh2 38.Kg1 Rfg2 39.Kf1 Rh1 40.Bg1 Rhg1) 35...Bg4 36.Nd2 (36.Bf6 Bf3 37.Nd2 Rh2 38.Kg1 Rfg2 39.Kf1 Rh1) 36...Rh2 37.Kg1 Be2 (37...Be2 38.bc6 Rfg2) 0–1. Lara Lopez,Jose (2175) – Sanchez Saez,Francisco (2215), ESP–ch universities, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Nc6)

8.b5 Ne7 9.Be2 Nd7 10.d4 ed4 11.Nd4 Nc5 12.0-0 Nf5 13.N2f3 Re8 14.Qc2 Qe7 15.Qc1 Nd4 16.Bd4 Be6 17.Bg7 Kg7 18.Nd4 Qf6 19.Bf3 Rab8 20.Rd1 Bf5 21.Nf5 Qf5 22.Qc3 Qe5 23.Rac1 (23.Qa5 Qe7+=) 23...b6 (23...Qc3 24.Rc3 h6 25.Kf1=) 24.Qe5 (24.Bc6 Re7+/-) 24...Re5+= 25.Bd5 a6 26.ba6 Na6 27.Rc3 Nc5 28.Ra3 Rbe8 29.Ra7 R8e7 30.a4 f5 31.g3 Nb3 32.h4 Na5 33.Rd4 Kf6 34.Rf4 (34.Ra8 Re8=) 34...h6 35.g4 c6 36.Re7 Ke7 37.Bf3 Rc5 Exerts pressure on the isolated pawn 38.gf5 Rf5 39.Re4 Kf7 40.Be2 Nb3 41.Bd1 Nc5 42.Rd4 Nb7 43.Kg2 Ra5 44.Bc2 g5 45.h5 (45.hg5 Rg5 46.Kh3 Ke7=) 45...Ke7 46.Be4 (46.Re4!? Kd7 47.Rg4+=) 46...Kd7–/+ 47.Kg3 Ra4 48.Bf3 0–1. Vrhovnik,Damir (2065) – Tomazini,Zan (2230), 10th Memorial Josipa Ipavca, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Nc6)

8.b5 Ne7 9.Be2 Nd7 10.d4 h6 11.de5 (11.0-0 ed4 12.ed4 d5=) 11...de5 12.Ne4 f5 13.Ng3 Kh7 14.0-0 a6 15.ba6 (15.Qc2 ab5 16.cb5 e4+=) 15...Ra6= 16.c5 (16.Qc2!?=) 16...Ra5=+ 17.e4 (17.Qb1 Nc6=+) 17...f4–/+ 18.Nh1 Nc6 19.Qd5 (19.Bc3 Rc5 20.Bb2 Re8–/+) 19...Rc5 (19...Qe7 20.Bc3 Rc5 21.Qb3–/+) 20.Qd2 Ra5 (20...Nb6 21.Qe1 Re8 22.Rc1–/+) 21.Rfc1 (21.Rfd1 Nc5 22.Qc2 Qe7–/+) 21...Nb6 (better 21...Nc5–/+) 22.Rc6? (better 22.Bd3–/+) 22...Qd2–+ 23.Nd2 bc6 24.Nf3 (24.Bc3 Ra7–+) 24...Bg4 (24...Be6 25.Bc3 Ra4 26.Kf1–+) 25.h3 (25.Ng5 hg5 26.Bg4 Na4–+) 25...Bf3 26.Bf3 Rfa8 27.g3 (27.a3 Na4 28.Bc1 Nc5–+) 27...Ra2 28.Ra2 (28.Rb1 R8a5 29.gf4 Rb5 30.fe5 Rbb2 31.Rb2 Rb2–+) 28...Ra2 29.Be5 Be5 30.gf4 Bf4 31.Kg2 (31.Ng3 c5 32.Ne2 Be5–+) 31...Nc4 (better 31...c5!? 32.Bd1 Rd2 33.Bg4–+) 32.Ng3 (32.Bg4 Nd6–+) 32...Bg3 33.Kg3 Ne5 (33...Ra3 34.Kg2 Nd2 35.Be2 Ne4 36.Bf3–+) 34.Kf4 (34.Bg4 g5–+) 34...Nf3 (34...Rf2!? 35.Ke5 Rf3 36.Kd4–+) 35.Kf3 0–1. sirgeshdb (1990) – Heiko1952 (2025), lichess.org, 2020.

8.b5 Ne7 9.Be2 h6 10.0-0 g5 11.Nb3 Ne8 12.Qc2 Ng6 13.Nfd2 g4 14.f4 gf3 15.Bf3 f5 16.Rae1 Nf6 17.g3 h5 18.Kh1 Bh6 19.Rg1 Ng4 20.Nf1 e4 21.Bg4 ed3 22.Qd3 hg4 23.Rg2 Be6 24.Rd2 Ne5 25.Be5 de5 26.Qc3 Qf6 27.Nc5 Rae8 28.Ne6 Re6 29.Rd7 f4 30.ef4 ef4 31.Qd3 Rf7 32.Rf7 Qf7 33.Qd8 Kh7 34.Re6 Qe6 35.Qc7 Kg6 36.Qb7 Qe2 37.Qc6 Kh7 38.Qd7 Kg6 39.Kg1 f3 40.Qg4 Bg5 41.Qh3 Bf6 42.Qg4 Kf7 43.Qd7 Kf8 44.Qc8 Kf7 45.Qd7 Be7 46.Qf5 Ke8 47.Qc8 Kf7 ½–½. Abanto – Forster, Leon 1996.

7.Nbd2 Nbd7

8.Qc2 Qe7 9.Be2 c6 10.a4 Re8 11.0-0 a6 12.b5 Nc5 13.bc6 bc6 14.Ba3 e4 15.Nd4 (better is 15.Bc5!? ef3 16.Bf3 dc5 17.Bc6=) 15...ed3–/+ (15...Nd3?! 16.Ne4 Ne4 17.Bd3= (17.Qd3? c5–+)) 16.Bd3 Nd3 17.Qd3 c5 18.N4f3 Bf5 19.Qe2 Ne4 20.Ne4 Ba1 21.Nd6 Qd6 22.Ra1 Qd3 23.Qd3 Bd3 24.Bc5 Bc4 25.Bd4 Rec8 26.a5 Bb5 27.Bb6 Rc3 28.Nd4 Rac8 29.h3 Rc1 30.Rc1 Rc1 31.Kh2 Bd3 32.Kg3 f6 33.Ne6 Kf7 34.Nf4 Bc4 35.h4 Rh1 36.Nh3 h5 37.f3 Rb1 38.e4 Rb2 39.Nf4 Rc2 40.Kh2 Ra2 41.Kg1 Kg7 42.Bc7 Kh6 43.Nd5 Bd5 44.ed5 Kg7 45.Kh2 Kf7 46.Kh3 Rd2 47.d6 Rd3 48.Kg3 Ke6 49.Kf4 Rd4 50.Kg3 Rd2 51.Bb8 Rd4 52.Bc7 f5 53.Kh3 Rd6 54.Bd6+= Kd6 55.Kg3 Ke5 56.Kf2 Kd4 57.Ke2 Kc4 58.Ke3 Kb4 59.Kf4 Ka5 60.g4 fg4 61.fg4 Kb4 62.gh5 gh5 63.Kg5 a5 64.Kh5 a4 65.Kg6 a3 66.h5 a2 67.h6 a1Q 68.Kh7 Qf6 (68...Qf6 69.Kg8 Qg6 70.Kh8 Qf7 71.h7 Qf8) 0–1. Cruz Alvarez de Ron (2120) – Paramos Dominguez (2405), Nigran op, 1997. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5 7.Nbd2 Nbd7)

8.Be2 b6 9.0-0 Bb7 10.a4 c5 11.Qb3 (11.Bc3 cb4 12.Bb4 Qc7=) 11...Qc7 12.b5 d5 (12...a6 13.Rfb1=) 13.cd5 Nd5 14.Nc4 Rfe8 15.a5+= Rad8 (15...a6 16.ba6 Ra6 17.ab6 N5b6 18.Ra6 Ba6 19.Nb6=) 16.ab6 (16.Rfc1 N5f6+=) 16...ab6 17.Ra7 Re6 (17...h6 18.Rb7 Qb7 19.Nd6+–) 18.Ng5+/- Re7 19.Nf7! Rf7 (19...Kf7 20.Rb7) 20.Rb7! Qb7 21.Nd6 Qa8? (better is 21...Qc7 22.Nf7 Kf7 23.Qd5 Ke7+–) 22.Nf7 (better is 22.Ra1 Qb8 23.Qd5+–) 22...Kf7+/- 23.Bf3 N7f6 24.e4+= Ne8 25.ed5+/- Nd6 26.Bg4 Nf5? 27.d6+– Kf8 28.Bf5 gf5 29.Qe6 Qc8 30.Qe7 Kg8 31.f4 c4 32.Be5 Be5 33.fe5 Qc5 34.Kh1 Rf8 35.Rf3 f4 36.Qg5 Kh8 37.Rf4 (37.Rf4 Rf4 38.Qf4+–) 1–0. Panchenko – Loginov, 1974.

8.Be2 b6 9.0-0 Bb7 10.Qc2 Qe7 11.a4 a5 12.ba5 Ra5 13.Nb3 Ra7 14.a5 e4 15.Nfd4 Ne5 16.Nb5 (better is 16.ab6 Ra1 17.Ra1 ed3 18.Bd3 cb6 19.Be2+=) 16...Nf3?? (better is 16...ed3 17.Bd3 Nd3 18.Qd3 Ra6=) 17.gf3 (17.Bf3 Ra6 18.de4 Ne4+–) 17...ef3 (17...ed3 18.Qd3 Ra6 19.Rfb1+–) 18.Rfb1 Ng4 19.h3 Ne3= 20.fe3 Qe3 21.Kf1 fe2 22.Qe2 Qh3 23.Ke1?? Bh6 24.Nd2 Qh1 25.Qf1 Qh2 26.Bc3+= Bg2 27.Ne4?? Re8?? 28.Qf2?? Qh1–+ 29.Ke2 Qh5 30.Ke1 Be4 31.de4 Re4 32.Kf1 Qh1 33.Qg1 Qf3 34.Qf2 Qd3 35.Kg2 Rg4 (35...Rg4 36.Qg3 Qg3 37.Kf1 Qf3 38.Ke1 Re4#) 0–1. Panchenko,A – Smirin,Ilya, Alekhine mem op, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.d3 0-0)

8.Be2 Qe7 9.0-0 a5 10.a3 b6 11.Qc2 Bb7 12.Bc3 ab4 13.ab4 d5 14.Nb3 (14.Qb2 dc4 A) 15.Be5? A1) worse is 15...Ne5 16.Qe5 (16.Ne5? c3 17.Qc3 Nd5–+) 16...Qe5 17.Ne5+=; A2) 15...cd3 16.Bd3 Ne5 17.Qe5 Qe5 18.Ne5 Nd5 19.Ra8 Ra8–+; B) 15.dc4+=) 14...dc4 15.dc4 Ne4 16.Ra8 Ra8 17.Be1 h5 (17...c5 18.bc5 Ndc5 19.Bb4+=) 18.Nbd2 Nef6 19.Nb1 Bf8 (19...c5 20.bc5 Be4 21.Qb2 Bf3 22.Bf3=) 20.Bc3= Ne4 21.Bb2 (21.Rd1 Ndf6=) 21...Qb4 22.Ne5 Ra2 23.Nd3 Qa4 24.Qc1 Qb3 25.Qd1 (better is 25.Nd2!? Nd2 26.Qd2+=) 25...Rb2–/+ (25...Qc4 26.Nc1 Qb4 27.Na2 (27.Qd7? Rb2 28.Nd3 Nc5–+) 27...Qb2 28.Nac3+=) 26.Nb2 Qb2 27.Qd7 (better is 27.Bh5!? Ne5 28.Be2–+) 27...Qe2 28.Qc7 Ba6 29.Qf4 (29.Qd7 Bc4 30.Qd1 Qa2–+) 29...Bc4 30.Rc1 Qb2 31.Rd1 Qc2 32.Re1 Bb4 (32...Bb4 33.Na3 Ba3–+) 0–1. Mihalj,M (2310) – Saric,S (2310), Vojvodina Quality League, Pancevo SCG, 2005. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6 5.c4 0-0 6.d3 e5)

8.Be2 Qe7 9.0-0 a5 10.b5 b6 (10...Re8 11.Rb1=) 11.a4 Bb7 Black plans e4 12.Nb3 (12.Qc2 Rae8=) 12...e4 13.Nfd4 (13.de4 Qe4 14.Qd2 Rfe8=) 13...ed3 14.Bd3 Ne4 15.Nc6 (15.Qe2 Rae8=) 15...Bc6+= 16.Bg7 Kg7 17.bc6 Ndc5 18.Nc5 (18.Be4 Nb3 19.Qb3 Qe4+=) 18...Nc5 19.Ra3 (19.Bc2 f5+=) 19...Rae8 20.Bc2 f5 21.Qd4 Qf6 22.Qf6 (22.Raa1 Ne6 23.Qf6 Kf6–/+) 22...Rf6 23.Rd1 (23.Rb1 f4–/+) 23...Rfe6 (23...Na6 24.Bd3–/+) 24.Raa1 (24.Kf1 Na6–/+) 24...Re5 25.Rd4 (25.Rac1 Na6–/+) 25...Ne6 26.Rd2 (26.Rd5 Nd8–/+) 26...Nd8 27.Rad1 f4 28.Kf1 (better is 28.e4!?–+) 28...fe3 29.fe3 (29.Re2 Nc6 30.Re3 Re3 31.fe3 Re3–+) 29...Re3 30.Kf2 (30.Rd3 R3e6–+) 30...Nc6 31.Bd3 Nb4 32.Bf1 (32.Kg1 Nd3 33.Rd3 Re1 34.Re1 Re1 35.Kf2 Ra1–+) 32...Ra3 33.c5 (33.g3 Ra4 34.Bg2 Ra3–+) 33...bc5 34.Kg1 (34.Bc4 Ra4 35.g3 Re4–+) 34...d5 (34...Ra4?! 35.Bb5=) 35.Bb5 c6 36.Rd5 (36.Bc6 Nc6 37.Rd5 Re5–+) 36...Nd5 37.Rd5 (37.Bc6 Nc3 38.Be8 Nd1 39.Bb5–+) 37...Ra1 38.Kf2 Rf8 39.Ke3 cd5 0–1. Hilbert,Stephan J (1640) – Satonnet,Patrick (1760), FICGS, 2015.

8.Be2 Qe7 9.Qc2 Ne8 10.0-0 f5 11.c5 g5 12.Nc4 (12.d4 g4 13.Ne1 a5 14.cd6 Nd6 15.Qc7 ed4 16.Bd4 Bd4 17.Bc4 Kg7 18.ed4 f4+–) 12...g4 (12...dc5 13.bc5 e4 14.Bg7 Ng7 15.Ne1 Nc5 16.Rc1=) 13.Nfd2 Ndf6 (13...d5 14.Na5+=) 14.Rfe1 (14.d4 e4+=) 14...Be6 15.b5 Nd5 16.Bf1 (16.Rac1 a6 17.cd6 cd6=) 16...Qf7 (16...a6 17.Qa4=) 17.g3 (17.d4 e4+=) 17...Rd8 (17...a6 18.ba6 b5 19.cb6 cb6 20.Qa4=) 18.Na5 (18.Qa4 b6=) 18...f4 (18...Rb8!?=) 19.ef4 (19.Nb7 Rb8 20.c6 fe3 21.fe3 Ne3–+) 19...Nb4 (19...Rb8 20.Ne4 Qd7 21.a4 ef4 22.c6 bc6 23.Nc6+=) 20.Qa4+– ef4 21.Bg7 (21.Qb4 fg3 22.Re2 gf2 23.Kh1 Bd5 24.Re4 dc5–+ (24...Be4?! 25.de4 dc5 26.Qc5 Rd2 27.Bc4 Rb2 28.Rf1–+)) 21...fg3 22.fg3 Qf2 23.Kh1 Bd5 24.Ne4 Nd3 25.Bd3 (25.Bf8?? Ne1 26.Re1 Qe1–+) 25...Ng7 (25...Kg7 26.Rf1 Qc5 27.Rf8 Kf8 28.Rf1 Ke7 29.Kg2+–) 26.Qc2 (26.cd6 cd6 27.Bc4 Qf5 28.Nb7 Bc4 29.Qc4 d5+–) 26...Qf3 27.Kg1 Ne6 28.Nb3?? (better 28.Bc4 Bc4 29.Nc4+= (29.Qc4 d5 30.Qb3 Nd4–+)) 28...Ng5= 29.h4 Be4 30.Be4 Qg3 31.Qg2 Nh3 32.Kh1 Nf2 33.Kg1 Nh3 (33...Qh4 34.Re3=) 34.Kh1= Nf2 35.Kg1 ½–½. Papin,V (2475) – Dale,Ari (2380), 80th Tata Steel TOP (1), 2018. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5 7.Nbd2 Nbd7)

8.Be2 Re8 9.0-0 h6 10.Qc2 c6 11.a4 (11.a3 Qe7=) 11...Nh7 (11...a5 12.b5=) 12.a5 f5 13.b5 c5 14.Rfd1 Ndf8 15.Bf1 g5 (15...Ne6 16.Nb3+=) 16.d4 cd4 17.ed4 e4 18.Ne1 Qe7 19.Qb3 Nf6 20.Nc2 f4 21.Re1 Bf5 22.d5 Kh7 (22...N6d7 23.Nd4 Bg6 24.Ne4 Be4 25.f3+/-) 23.a6+/- b6 24.Nd4 Bg6 25.Nc6 Qd7 (25...Qc7 26.Bd4+=) 26.Bd4+/- Ng4 27.Ra2 (27.Bg7!? Kg7 28.f3 ef3 29.Nf3+/-) 27...Bd4= 28.Nd4 Nf2 29.Kf2 e3 30.Kg1 ed2 31.Re2 Re2 32.Be2 Re8 (32...Qe7 33.Rd2 Nd7 34.Ne6+/-) 33.Rd2+/- Re3 34.Qd1 Qe8 35.Nc2 (35.Nc6 Qf7+/-) 35...Re5 (35...Bc2 36.Qc2 Ng6 37.Bf1+=) 36.Bd3 Bd3 37.Rd3 Ng6 38.Rd2 (38.Rf3 Qc8 39.Qd3 Qf5+=) 38...Nh4 (38...Re4!?=) 39.Rf2+= Nf5 40.Qd3 Kh8 41.Qc3 (41.Rf3 Kg8+=) 41...Kg8 ½–½. Gamback,Bjorn (2180) – Olsson,Tomas (1930), Hasselbacken Open SWE, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Nbd7)

8.Be2 Re8 9.Qc2 c5 10.a3 Qc7 (10...Qb6 11.Bc3+=) 11.0-0 b6 12.Ng5 (12.b5 a6=) 12...Bb7 (12...cb4 13.ab4 a5 14.Qa4=) 13.Bf3 Bf3 14.Ngf3 d5 15.cd5 Nd5 16.bc5 (16.Rfc1 a5 17.Qc4 N5f6+=) 16...Qc5 (16...Nc5 17.Rac1=) 17.Qb3 Qd6 (17...Qc6 18.Ne4+=) 18.Ne4+= Nc5 (better is 18...Qc6!?+=) 19.Nd6+– Nb3 20.Ne8 Re8 21.Rab1 Nc5 22.Rfd1 (22.d4!? ed4 23.Bd4 Ne4+–) 22...Na4+/- 23.Rdc1 (23.Rd2 Nb2 24.Rbb2 e4+/-) 23...Nb2+= 24.Rb2 e4 25.Nd4 ed3 26.g3 Bh6 (26...f5 27.Rd2 f4 28.Rd3 fe3 29.Nb5+/-) 27.Rd1 Ne3 28.Rd3 Nc4 29.Rc2 Re1 30.Kg2 Ne5 31.Rdc3 Rd1 32.Rc8 Kg7 33.Nf3 (better is 33.Rd8!? Nd3 34.Rc7+/-) 33...Nf3= 34.Kf3 Rd3 35.Ke4 Ra3 36.f4 g5 37.fg5 Bg5 38.h4 (38.R2c7!?=) 38...Bf6+= 39.Kf4 h5 40.R2c4 b5 (40...a5 41.R8c7+=) 41.R4c6 (41.R4c5!? Ra4 42.Kf3=) 41...Ra4 42.Kf5 Bb2 (42...b4 43.Rb8–/+) 43.Rb8 (43.R8c7 b4=) 43...b4+= 44.Rcc8 (44.Rb5!?+=) 44...Ra5–/+ 45.Ke4 Kf6?? (45...Re5 46.Kd3 a5 47.Rg8 Kh6 48.Rh8 Kg6 49.Rhg8 Kf6 50.Rb6 Ke7 51.Rb7 Ke6 52.Re8 Kf5 53.Rf7 Kg4 54.Rg8 Kh3 55.Rf3+=) 46.Rb7 (better is 46.Rb4!? Be5 47.Rc6 Kg7 48.Rb3+/-) 46...Re5 (46...Be5 47.Rf8 Ke6 48.Re8 Kd6 49.Rd8 Kc6 50.Rf7+=) 47.Kd3= a5 48.Rcc7 Kg6 49.Rf7 a4 (better is 49...Rc5!? 50.Rf8 Bf6=) 50.Rg7+= Kh6 51.Rgd7 Re6 52.Rb4 a3 53.Ra4 Rc6 (53...Rg6 54.Ra5+/-) 54.Ke4 Kg6 (54...Rg6 55.Kf3+/-) 55.Kd5 Rb6 56.Rd6 Rd6 57.Kd6 Kf5 58.Ke7 Bf6 (58...Kg6 59.Ke6+/-) 59.Kf7+– Bb2 60.Kg8 (60.Rf4 Ke5+–) 60...Kg6 61.Ra5 Kf6? (better is 61...Bc1+–) 62.Kh7 (62.Rh5 a2 63.Ra5 a1Q 64.Ra1 Ba1=) 62...Bc1 63.Rh5 Bd2 64.Rb5 Bc3 65.Rb6 Kf5 66.Ra6 Bb2 67.Ra4 Bc1 68.g4 Ke6 69.g5 Bb2 70.g6 (70.g6 Kd7 71.h5+–) 1–0. Harris,Martyn J (1740) – Pooley,Robert F (1615), Weymouth Major op, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.d3 0-0 7.Nbd2 Nbd7)

7.Nbd2 Qe7

8.Qc2 Nbd7 9.Be2 d5 10.Rb1 c6 (worse is 10...Qb4 11.Be5 Qa5 12.Rb5+/-) 11.0-0 e4 12.Nd4 ed3 13.Qd3 Ne5 14.Qb3 Ne4 15.Ne4 de4 16.c5 Bg4 17.Bg4 Ng4 18.b5 (18.h3 Ne5=) 18...Qe5+= (worse is 18...Qc5 19.h3 Ne5 20.Ba3+=) 19.Nf3? (better is 19.g3!? Qh5 20.h4+=) 19…Qh5–+ (19...Qc5 20.Ba3 Qh5 21.Bf8 Rf8 22.h3 ef3 23.Qa4 fg2 24.Kg2–+) 0–1. Pulito,Alberto (2300) – Esposito,Luca (2210), Condino ITA, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2 Nbd7 9.0-0 b6 10.Qc2 Bb7 11.Rfc1 a5 12.a3 ab4 13.ab4 e4 14.de4 Ne4 15.Bg7 Kg7 16.Ne4 Be4 17.Qc3 Qf6 18.Qf6 Nf6 19.Nd4 Ra1 20.Ra1 Ra8 21.Ra8 Ba8 22.Nb5 Ne8 23.f3 f5 24.Kf2 ½–½. Shumiakina,Tatiana (2305) – Kovalevskaya,Ekaterina (2270), Rostov on Don op, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2 Nbd7 9.0-0 Re8 10.Qc2 a5 (10...b6 11.Ng5=) 11.a3 b6 12.Ne4 Bb7 13.Nfd2 (13.h3 Ne4 14.de4 Nf8=) 13...Ne4 (13...d5 14.cd5 Nd5 15.b5=) 14.de4 (14.Ne4 Ra7=) 14...Qh4 (14...Ra7 15.h3=) 15.Bc3 Rf8 (15...Bc6 16.Bd3=) 16.Bf3 (16.Bd3 Ra7=) 16...f5 (16...a4 17.h3=) 17.ba5 (17.g3 Qh3 18.Bg2+=) 17...ba5 (17...Nc5 18.ab6 fe4 19.g3+/-) 18.Rab1+/- Bc6 (18...fe4 19.Be4 (19.Rb7?! ef3 20.Nf3 Qc4+=; 19.Ne4?! Nc5 20.Nc5 Bf3 21.gf3 Qg5 22.Kh1 dc5+=) 19...Be4 20.Ne4+/-) 19.ef5 Bf3 20.Nf3 (20.gf3?! Rf5 21.Qe4 Qe4 22.Ne4 Rf3=) 20...Qc4 (20...Qg4 21.Qd2 Qf5 22.Rb7+/-) 21.fg6+– hg6 22.Qg6 Rf6 23.Qc2 Nc5 24.Rfc1 Qg4 (24...Rff8 25.Ng5 Qd3 26.Qa2 Kh8 27.Ne6 Ne6 28.Qe6+–) 25.h3 Qh5 26.Nh2 (26.Qe2 Raf8+/-) 26...Raf8 (26...Rff8 27.f3+–) 27.Ng4 Rg6 (27...R6f7 28.e4+–) 28.Ba5 Ne6 (28...e4 29.Qc4 Kh7 30.Bc7+–) 29.Bc7 Rf7 (29...Nc7 30.Qc7 e4 31.Rb8+–) 30.Bd6 Ng5 31.Rb8 Kh7 32.Rb4 (32.Ne5 Be5 33.Rf8 Bd6 34.Rf7 Nf7–+) 32...Rd7 (32...Rf5 33.Rd1+– (33.Qf5?! Nh3 34.gh3 Qf5=)) 33.Be5 (33.Bb8 Re7+–) 33...Be5 (33...Nh3 34.gh3 Be5 35.Rb6+–) 34.Ne5 Nh3 35.Kf1 Qe5 36.Rb6 Rdg7 (36...Qh5 37.Rg6 (37.gh3?! Qh3 38.Ke2 Qh5 39.Ke1 Qh1 40.Ke2 Qh5 41.Ke1 Qh1 42.Ke2 Qh5=) 37...Qg6 38.gh3+–) 37.Rg6 (37.Rg6 Rg6 38.Qc7 Qc7 39.Rc7 Kh8 40.gh3+–) 1–0. Epishin,Vladimir (2570) – Parvanyan,Ashot (2370), GRENKE Chess Open, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5 7.Nbd2 Qe7)

7.Nbd2 Re8

8.Qb3 Nbd7 9.Be2 b6 10.0-0 Bb7 11.Rfc1 c5 12.a3 Qe7 13.b5 Ng4 14.h3 Nh6 15.a4 f5 16.a5 g5 17.Nh2 Nf6 Black plans g4 18.ab6 ab6 19.Ra8 Ba8 20.Ra1 g4 21.hg4 Nhg4 22.Ng4 Ng4 23.Bg4 fg4 24.Ne4 Be4 25.de4 g3 ½–½. Sion Castro,Marcelino (2390) – Romero Holmes,Alfonso (2210), Leon, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 e5 6.d3 0-0)

8.Qc2 a5 9.a3 Na6 10.b5 Nc5 11.e4 Nh5 12.g3 f5 13.h3 Nf6 14.Be2 Rf8 15.a4 b6 16.Ba3 fe4 17.de4 Ne6 18.0-0-0 Bb7 19.Qd3 Qe8 20.Rhe1 Nd7 21.Bf1 Ndc5 22.Qc2 Bh6 23.Bc5 Nc5 24.Bg2 Qe7 25.Kb1 Rf7 26.Nf1 Raf8 27.N1h2 c6 28.Re2 cb5 29.ab5 Bc8 30.Ne1 Be6 31.Ng4 Bg5 32.Nd3 (32.f3 h5 33.Ne3 Be3 34.Re3 Qg5-/+) 32...Qc7 33.Nb2 h5 34.Ne3 Be3 35.fe3 a4 36.Rc1 (36.Na4 Ra8 37.Nb2 Qa7-+) 36...Rc8 (36...Ra8 37.Qd1-+) 37.Rf1 (better 37.Na4 Ra8 38.Nc3-+) 37...Rf1 38.Bf1 Rf8 (38...a3 39.Na4 Ne4 40.Re1-+) 39.Bg2 (39.Re1 a3 40.Na4 Rf3-+) 39...a3 40.Nd1 Ra8 41.Nc3 (41.Qc3 Ra4 42.Ra2 Rc4 43.Ra3 Rc3 44.Nc3-+) 41...Bc4 42.Nd5 (42.Rd2 a2 43.Na2 Ba2 44.Qa2 Ra2 45.Ra2 Qf7-+) 42...Bd5 (better 42...a2 43.Qa2 Bd3 44.Rc2 Ra2 45.Ka2 (45.Nc7 Rc2 46.Bf1 Be4 47.Nd5 Rd2 48.Bd3 Bd3 49.Kc1 Nb3) 45...Qa7 46.Kb2 Bc2 47.Kc2 Qa2 48.Kd1 Qg2 49.Nf6 Kf7 50.Ne8 Qf1 51.Kc2 Qe2 52.Kc3 Qd3 53.Kb2 Qd2 54.Kb1 Na4 55.Nd6 Ke6 56.Nc4 Nc3 57.Ka1 Qc1) 43.ed5 a2 44.Ka1 (44.Qa2 Ra2 45.Ra2-+) 44…Nb3!! (44...Nb3 45.Qb3 Qc1 46.Qb1 ab1Q) 0-1. Vezzani,S (2115) - Romanishin,O (2440), 40th Arco Open, 2018. (=1.Nf3 (A15: English Opening: 1...Nf6) 1...Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d3 e5)

8.Qc2 a5 9.b5 Nbd7 10.Be2 Nc5 11.0-0 Bf5 Black prepares e4 (11...Qe7 12.Ng5=) 12.Rfe1 (12.Ng5 Qe7=) 12...e4 (12...a4 13.e4 Bg4 14.Nf1=) 13.de4 Nfe4 14.Ne4 (14.Bg7 Kg7 15.Nd4 Qf6+=) 14...Be4 15.Qd2 Bb2 (15...Bf3 16.Bf3 Bb2 17.Qb2–/+) 16.Qb2+= Bf3 17.gf3 Qg5 (17...a4 18.Rad1+=) 18.Kh1 Qh4 (18...Qe7 19.Rg1+=) 19.Rf1 b6 (19...a4 20.Rad1+=) 20.f4 Ne4 (20...Qh3 21.Rg1+=) 21.Bf3= Re7 (21...Qh3 22.Bg2 Qh5 23.Qc2=) 22.Rad1 (22.Kg2 f5=) 22...Rae8 (22...Qh3 23.Bg2 Qh5 24.Rd5=) 23.Rd5 (23.Kg2 f5=) 23...f5 24.Rd4 (24.Rd3 h6=) 24...Rg7 (24...h6 25.Qc2+=) 25.Be4 (25.Qc2 Kf7=) 25...fe4 (25...Re4 26.Re4 fe4 27.Qd2=) 26.Rg1= Rf7 ½–½. Banos,Oscar (2190) – Camarena Gimenez,Rufino (2380), 25. Montcada Open, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Re8)

8.Be2 a5 9.a3 Nc6 10.b5 Nb8 11.0-0 Nbd7 12.a4 e4 (12...Nc5 13.Ra3=) 13.Ne1 ed3 14.Nd3 Ne5 15.Ne5 de5 16.Nb3 (16.Qc2 c6+=) 16...Qd1 17.Rfd1 Bf5 18.Nc5 Rab8 19.h3 Bf8 20.Nd3 Bd3 21.Rd3 Ne4 22.Rd7 Nc5 23.Rd5 f6 24.Ba3 b6 25.Bc5 Bc5 26.Rd7 Re7 27.Rad1 Rbe8 28.R7d5 Kf7 29.g3 f5 30.Rc5 (better is 30.g4!?+=) 30...bc5–/+ 31.Rd5 e4 32.Rc5 Rd8 33.Rc6 (33.Rd5 Red7 34.Rc5 h6+=) 33...Rd6 (33...Rd2 34.Kf1 Ra2 35.c5 Ra4 36.b6 cb6 37.cb6–+) 34.Ra6? (better is 34.Rd6 cd6 35.Kf1+=) 34...Ra6–+ 35.ba6 c5 36.f3 Ra7 37.fe4 fe4 (37...Ra6 38.ef5 gf5 39.Bd3–+) 38.Bg4 Ra6 39.Bc8 (39.Bd1 Ke6–+) 39...Rb6 40.Bd7 Ke7 41.Bb5 Rf6 0–1. Wians,Camille – Djurhuus,Rune, EU–ch U20 Groningen, 1986. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

8.Be2 Nh5 9.Ng1 Nf6 10.Ngf3 Nbd7 11.0-0 h6 12.Qc2 Nf8 13.c5 g5 14.Rfc1 Ng6 15.cd6 cd6 16.a3 Re7 17.Bf1 g4 18.Ne1 d5 19.Nb3 h5 20.b5 Bh6 21.d4 g3 22.hg3 e4 23.Be2 Ng4 24.Nd2 h4 25.Bg4 Bg4 26.Nf1 f5 27.a4 Rh7 28.Ra3 Qg5 29.Rc3 Nf8 30.Ba3 Qh5 31.f4 ef3 32.Nf3 Bf3 33.gf3 hg3 34.Qg2 f4 35.Bd6 Re8 36.Rc8 Ne6 37.Re8 Qe8 38.Be5 Bg7 39.Bg7 Rg7 40.Rc3 Qh5 41.Qe2 g2 0–1. Csom – Liss, 1995.

8.Be2 a5 9.b5=.

8.Be2 Nbd7 9.0-0 h6 10.Qc2 Qe7 11.Rfe1 Nf8 12.c5 Nd5 13.cd6 cd6 14.b5 Be6 ½–½. Damaso,Rui (2440) – Matamoros Franco,Carlos S (2450), Mancha Real, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Re8)

8.Be2 Nh5 9.Ng1 (9.Rb1 Nf6=) 9...Nf6 10.Ngf3 Nbd7 (10...Na6 11.a3=) 11.0-0 h6 (11...Qe7 12.a3=) 12.Qc2 (12.Nb3 Qe7=) 12...Nf8 (12...a5 13.a3=) 13.c5 (13.a3 a5+=) 13...g5 (13...Be6 14.b5=) 14.Rfc1+= Ng6 (14...Nd5 15.a3+=) 15.cd6 cd6 16.a3 (16.d4 g4 17.Ne1 Bd7+=) 16...Re7 (16...g4 17.Ne1=) 17.Bf1 (17.d4 e4 18.Ne1 d5+=) 17...g4= 18.Ne1 d5 (18...Bd7 19.d4=) 19.Nb3 (19.d4 e4+=) 19...h5 (19...Bf5 20.Qd2=) 20.b5 (20.d4 e4+=) 20...Bh6 (20...Bf5!?=) 21.d4+= g3 22.hg3+/- e4 23.Be2 Ng4 24.Nd2 h4 25.Bg4 Bg4+/- 26.Nf1 f5 27.a4 Rh7 28.Ra3 Qg5 29.Rc3+= Nf8 30.Ba3 Qh5 31.f4 ef3+= 32.Nf3 Bf3 33.gf3 hg3? 34.Qg2 f4= 35.Bd6 Re8 36.Rc8 Ne6 37.Re8 Qe8+= 38.Be5 Bg7 39.Bg7 Rg7–/+ 40.Rc3 Qh5 41.Qe2?? (better is 41.b6 ab6 42.ef4 Nd4 43.Rc8 Kh7 44.Rc3–+) 41…g2–+ (41...g2 42.Qg2 Qf3 43.Rc8 Kh7 44.Qg7 Kg7 45.ef4 Nd4–+) 0–1. Csom,Istvan – Liss,Eran, Budapest (Hungary), 1995. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

7.Nbd2 Ne8

8.Qb3 a5 9.a3 Be6 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.Be2 ab4 11.ab4 Ra1 12.Ba1 f5 13.Bc3 (13.0-0 b5=) 13...Nd7 (13...g5 14.0-0=) 14.Qb2 (14.0-0 b5=) 14...Nb6 15.Bd1 (15.Qc2 g5=) 15...g5 16.h3 (16.h4 g4 17.Ng5 Qe7+=) 16...h6 (16...g4 17.hg4 fg4 18.Nh2=) 17.Bb3 Qe7 18.e4 (18.Qa2 Kh8=) 18...Qf7 (18...Nd7 19.ef5 Bf5 20.Ne4=) 19.0-0 (19.c5 Bb3 20.Qb3 fe4 21.de4 Qb3 22.Nb3 Na4=) 19...fe4 20.Ne4 Qg6 (20...Nf6 21.Nfd2=) 21.Nfd2 Nd7 22.Re1 Nef6 23.Nf6 Nf6 24.d4 g4 25.h4 g3 26.f3 Nd7 27.c5 Bb3 28.Qb3 Kh8 29.de5 Ne5 30.Re4 Qf5 31.cd6 cd6 32.Nf1 d5 33.Ng3+= Qe6 34.Kh1 Qg6?? 35.Qd5+– Nf3 36.Bg7 Qg7+/- 37.gf3 Qg3 38.Qd4 Qg7 39.Qg7+– Kg7 40.Re7 Kg6 41.Kg2 Rf4 42.Rb7 Rh4 43.b5 Rb4 44.b6 Kf5 45.Rb8 Ke5 46.Kg3 Kd5 47.f4 h5 48.Rh8 Rb3 49.Kh4 Ke4 50.Rb8 Rb5 51.b7 Kf3 52.f5! Kf4 53.f6 Rb1 54.Kh5 Kf5 55.Kh6 Rh1 56.Kg7 Rg1 57.Kf8 Rh1 58.Ke7 Re1 59.Kd6 Rd1 60.Kc5 Rc1 61.Kd4 Rd1 62.Kc3 Rc1 63.Kb2 Rc7 64.Kb3 Rf7 65.Kc4 Kf6 66.Kc5 Kg7 67.Kb6 Rf6 68.Ka7 Rf1 69.Rc8 (69.Rc8 Ra1 70.Kb8+–) 1–0. Bosboom,Manuel (2475) – Middelburg,Tom (2325), Sonnevanck 8th, 1999.

8.Be2 e4 9.Bg7 ef3 10.Bf8 fe2 11.Qe2 Kf8=.

8.Be2 Bg4=.

8.g3 Nd7 9.d4=.

8.g3 f5 9.Qb3 Be6 (9...a5 10.c5 Kh8 11.cd6 cd6 12.ba5=) 10.h4 (10.d4 Nd7=) 10...h6 11.d4 Nd7 12.d5 (12.Bh3 b5 13.Bf1 Bf7=) ½–½. Zurek – Babula, Olomouc, 1998. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d3 e5)

7.Nbd2 Nh5

8.Rb1 Nc6 9.a3=.

8.Rb1 f5 9.Qb3 (9.Be2 Nd7=) 9...Be6 10.Be2 (10.d4 Nd7=) 10...h6 (10...b5 11.0-0=) 11.0-0+= Nd7 12.Ne1 (12.d4 e4 13.Ne1 Nhf6+=) 12...Nhf6= 13.f4 Kh7 (13...e4 14.d4=) 14.Nc2 (14.fe5 de5 15.Nc2 c6=) 14...b5 (14...e4 15.Nd4 Qe7 16.Ne6 Qe6 17.d4=) 15.Rbd1 (15.Qa3 bc4 16.dc4 a5 17.ba5 Re8=) 15...bc4 (15...a5 16.ba5 Ra5 17.Bc3 bc4 18.dc4=) 16.dc4 Qe7 17.Qa3 Bf7 (17...a5 18.b5 Ne4 19.fe5 Ne5 20.Be5 Be5 21.Nd4=) 18.b5 (18.Qa5 c6=) 18...a6 19.ba6 (19.fe5 Ne5 20.ba6 Nfd7=) 19...c5 (19...ef4 20.Rf4 Nc5 21.Nb4=) 20.e4 (20.a7 Rfe8=) 20...ef4 (20...fe4 21.Ne3+=) 21.Rf4 Rfb8 22.Ba1 Rb6 23.Qh3 fe4 24.Qe3 Rba6 25.Ne4+= Ne4 26.Re4 Be5 27.a3 Be6 28.Be5 Ne5 29.Rf4 Ra4 30.Qb3 R8a7+= 31.Rdf1 Bf5 32.h4 Bc2–/+ 33.Qc2 Ra3 34.h5 Qg5 35.Qe4 Rg7 36.Kh1 Rc3 37.Rf8+= Rc1 ½–½. Bonetti,Shane – Fritsche,Frank, ETC, 2004.

8.Qc2 a5 9.b5 Nd7 10.Be2 f5 (10...Nhf6 11.0-0=) 11.d4 (11.0-0 Qe7=) 11...Qe7 (11...e4 12.Ng1+=) 12.g3 (12.de5 de5 13.0-0 b6=) 12...Nhf6 (12...e4 13.Nh4=) 13.de5 (13.0-0 e4 14.Ng5 h6=) 13...Ne5 (13...de5 14.0-0=) 14.Ne5 (14.0-0 Ned7=) 14...de5 15.c5 (15.0-0 f4=) 15...f4 (15...Rd8 16.0-0=) 16.e4 Ng4 (16...Bg4 17.Bg4 Ng4 18.0-0+=) 17.Nf3 c6 (17...a4 18.gf4 ef4 19.Bg7 Kg7 20.0-0+=) 18.h3 Nh6 19.g4 (19.gf4 Rf4 20.bc6 bc6=) 19...cb5 (19...Nf7 20.0-0=) 20.Bb5 Nf7 21.Bc4 Bd7 Black intends a4 (21...Be6 22.Ba3=) 22.Rc1 (22.0-0 Rac8 23.Rac1 Bc6+=) 22...Kh8 (22...Be6 23.0-0=) 23.Qb3 (23.0-0 h5 24.Kg2 hg4 25.hg4 Bg4 26.Rh1 Bh5=) 23...a4 (23...Bc6 24.Bd5=) 24.Qc3 (24.Qd3 Rfd8 25.Bd5 Ng5=) 24...Rae8 (24...Bc6!? 25.Bd5 Rfd8 26.Bc6 bc6+=) 25.Bd5 (25.0-0 Bc6 (25...Qc5? 26.Ba3 Qc7 27.Rfd1+–) 26.Bd5 Ng5 27.Ng5 Qg5=) 25...Bc6 (25...Rb8 26.Rb1=) 26.Kf1 (26.0-0 Ng5 27.Ng5 Qg5=) 26...h5 (26...Ng5!? 27.Ng5 Qg5=) 27.gh5+= gh5 28.Rd1 (28.Rg1 Bf6+=) 28...Ng5 (28...Rg8 29.Qc4 Qd7 30.Ke1 Bd5 31.Rd5+= (31.ed5? e4 32.Bg7 Rg7–+)) 29.Nh4 (29.Ng5 Qg5 30.Bc6 bc6+/-) 29...Kh7 (29...Qf6!?=) 30.Bc6+/- bc6 31.Rd6 (31.Rg1 Bf6 32.Nf5 Qb7+– (32...Ne4 33.Qf3 Qf7 34.Qe4+–)) 31...Rf6 (31...Qb7 32.Rg1 Bf6 33.Rg5 Bg5 34.Qf3+/-) 32.Nf5 (32.Rg1 Nf7 (32...Ne4 33.Qc2 Kg8 34.Qe4+–) 33.Rf6 Qf6+/-) 32...Qf7 33.Qc2 (better is 33.Ng7!? Kg7 34.f3 Rd6 35.cd6=) 33...Bf8?? (better is 33...Qa2 34.h4 Rb8 35.hg5 Rd6 36.cd6 Rb2 37.g6 Kg8–+) 34.Qa4 ½–½. Knechtel,Roland (2235) – Koepke,Christian (2290), TCh–AUT, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Nh5)

8.Qc2 f5 9.Be2 Nc6 10.b5+= Ne7 11.0-0 f4 12.e4 Bf6 (12...c5!?=) 13.c5+/- Ng7 14.Rfd1 Ne6 15.Nb3 g5 (better is 15...Bd7!? 16.d4 ed4+–) 16.cd6+– cd6 17.d4 ed4 18.Bc4 Kh8 (18...Kg7 19.Nbd4 Nd4 20.Bd4+–) 19.Nbd4 Nc5? (19...Nd4 20.Rd4 Qb6+–) 20.Ng5! Ng6 (20...Bg5 21.Nc6 Double attack (21.Nf3 Decoy)) 21.Nf7 Rf7 22.Bf7 Qf8 (22...Ne5 23.Bd5+–) 23.Nf5 Qf7 (23...Ne4 24.Bf6 Nf6 25.Nd6+–) 24.Nd6 Qe7 25.Bf6 (25.Qc5?! Bb2 26.Rab1 Bf6+=) 25...Qf6 26.Qc5 Be6 27.Rac1 Rg8 (27...Ne5 28.f3+–) 28.Qc3 Ne5 Black prepares f3 29.Nb7 f3 (29...Qg5 30.g3 fg3 31.hg3 Ba2 32.Nd8+–) 30.g3 Rg5 (30...Bc4 31.Nd6 Be6 32.Qb2+–) 31.Rd6 Qf7 (31...Qh6 32.h4! Qh4 33.Qe5 Re5 34.gh4 Re4+–) 32.Nd8 Qh5 33.Ne6 1–0. angeloyoung (1975) – lletram22 (1920), gameknot.com, 2014.

8.Qc2 f5 9.Be2 Qe8 10.Nb3 Nc6 11.a3 Bd7 12.Bc3 h6 13.Nfd2 Nd8 14.Qb2 Qe7 15.Nf3 Nf6 16.Nfd2 Nf7 17.0-0 g5 18.Rae1 Kh7 19.f4 Rae8 20.Qa1 Bh8 21.Kh1 Rg8 22.fe5 de5 23.d4 e4 24.d5 g4 25.Nc5 Bc8 26.Ndb3 Nh5 27.Bh8 Nh8 28.Ne6 Be6 29.de6 Rg5 30.Nd4 Rf8 31.Rd1 Ng7 32.c5 Ng6 33.Kg1 Nh4 34.g3 Nf3 35.Bf3 gf3 36.Qa2 c6 37.Kf2 Re8 38.Rd2 Ne6 39.Ne6 Qe6 40.Qe6 Re6 41.Rfd1 Rg7 42.Rd8 b6 43.Rc1 Rb7 44.h3 bc5 45.Rc5 Rb5 46.Rc1 Rd5 47.Rc6 Rc6 48.Rd5 Rc2 49.Kf1 Kg6 50.Ra5 Re2 51.g4 fg4 52.hg4 Re3 53.Re5 Kf6 54.Ra5 Ke6 55.a4 Rb3 56.Kf2 Rb2 57.Ke3 Re2 58.Kd4 f2 0–1. Benko – Grefe, 1973.

8.Be2 e4 9.Bg7 ef3 10.Bf8 fe2 11.Qe2 (11.Ke2 Qf8 12.h3 Qe7–/+) 11...Qf8 12.g4 Nf6 13.f3 Qe7 14.h4 d5 15.h5 dc4 16.hg6 fg6 17.Kf2? (17.dc4 Be6–/+) 17...Nc6 (17...c3 18.Ne4–/+) 18.d4? (18.Nc4!? Nb4 19.e4–/+) 18...Be6 (18...c3 19.Qc4 Be6 20.Qc3 Nb4 21.e4 Na2 22.Qe3–/+) 19.b5 Nb4 20.Nc4 Ng4! Decoy: g4 21.fg4? (better is 21.Kg1 Nf6 22.Ne5–+) 21...Qf7–+ 22.Kg3 Bc4 23.Qd2 (23.Qf3 Qf3 24.Kf3 Bd5 25.e4 Rf8 26.Kg3 Be4–+) 23…Rf8 (23...Rf8 24.Rhc1 Qf3 25.Kh2 Be2–+) 0–1. Kovacevic,Goran (2235) – Pavlovic,Milos (2460), Vrsac op, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5 7.Nbd2 Nh5)

8.Be2 f5 9.Qc2 Be6 10.Nb3 Nd7 11.d4 e4 12.Nfd2 Nhf6 13.g3 c6 14.0-0-0 Rb8 15.Kb1 d5 16.a3 Ne8 17.Rc1 Qe7 18.Na5 g5 19.h4 f4 (19...g4 20.Nab3+=) 20.cd5 (20.gf4!? gf4 21.Rcg1+=) 20...cd5+= 21.hg5 fe3 22.fe3 Qg5 23.Qb3 Rf2 24.Rce1 Nd6 25.Nf1 Rc8 26.b5 Nb6 27.a4 Ndc4 28.Bc3 Qe7 (28...Ne3 29.Bd2 Bd4 30.Be3 Be3 31.Ne3 Na4 32.Qa4 Qe3 33.Qb3–+) 29.Nc4 dc4 30.Qa2 Nd5 31.Qb2 Bg4 32.Rh2 Rcf8 33.Nd2? (33.Rf2 Rf2 34.Bg4 Rb2 35.Bb2–+) 33...Rh2 34.Bg4 Rff2 35.Qc2 h5 (worse is 35...Nc3 36.Qc3 Rd2 37.Be2 Rde2 38.Re2 Re2 39.Qc4 Kf8 40.Qe2 Qb4 41.Kc2–+) 36.Bc8 Nc3 37.Qc3 Rd2 38.Qc4 Kh8 (38...Kh8 39.Qg8 Kg8 40.Be6 Qe6 41.d5 Rb2 42.Kc1 Rhc2 43.Kd1 Qd5) 0–1. Santos,Luis M (2345) – Thipsay,Praveen Mahadeo (2430), Luzern ol (Men), 1982. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d3 e5)

6.d4 a5

7.a3 b6 8.Be2 Bb7 9.0-0 Nbd7 10.Nc3 e6 11.Qc2 Qe7 12.Nd2 Ne8 13.Bf3 Bf3 14.Nf3 (worse is 14.gf3 c5 15.Nb5 cd4 16.Bd4 Rc8 17.Bg7 Ng7=) 14...f5 15.e4 f4 16.e5 (better is 16.b5!?+/-) 16...de5+= 17.de5 ab4 (17...Be5 18.Ne5 Ne5 19.Qe4 ab4 A) worse is 20.Qa8 bc3 21.Bc3 Nd6+= (worse is 21...Nc4 22.Rfe1=); B) 20.Nb5 Nc4 21.Qc4+–) 18.Ne4 Rf5 (18...ba3!? 19.Qb3 ab2 20.Ra8 Ne5 21.Ne5 Be5–/+) 19.ab4= Ra1 20.Ra1 Ne5 21.Be5 Be5 22.Ra8 Bg7 23.Qd3 Rf8 24.c5 Nf6 25.Rf8 Bf8 26.Nfd2 Nd5 27.Qb3 Qg7 28.h3 Qd4 29.cb6 cb6 30.b5 h6 31.Kh2 Kf7 32.f3 Be7 33.Nc4 Ne3 34.Ncd2 Bb4 35.Qa2 Qd7 36.Qb2+= Bd2 37.Qf6 Ke8 38.Qh8 Kf7?? 39.Qf6 ½–½. Linnenborn,G (1950) – Gregoir,C (2275), Ghent BEL, 2012. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 a5)

7.ba5 Ra5 8.Nbd2 c6 (8...e5 9.de5 Nfd7 10.Bd3=) 9.Nb3 Ra8 10.Bd3 Na6 11.0-0 Nb4 12.Bb1 b5 13.a3 Na6 14.cb5 cb5 15.Bd3 Qb6 16.Qe2 Bd7 17.Bc3 Rfc8 18.Ba5 Qb7 19.Rfb1 Ne4 (19...Bc6=) 20.Be4 (better is 20.Nbd2!? Nac5 21.dc5 Nc5 22.Bb4 Nd3 23.Qd3 Ba1 24.Ra1+=) 20...Qe4+= 21.Nbd2 Qc2 22.Ne1 Qf5 23.Rc1 e5 24.e4 Qe6 25.d5 Qg4 26.f3 Qg5 27.Nb3 Bh6 28.Nd3 Rc1 29.Rc1? Qe3–+ 30.Kf1 Qe2 31.Ke2 Bc1 32.Ndc1 Nc5 33.Bb4 Rc8 34.Kd2 f5 35.ef5 gf5 36.Nc5 dc5 37.Bc3 e4 38.fe4 fe4 39.Ke3 Bf5 40.Ne2 Ra8 41.Bb2 b4 42.ab4 cb4 43.Ng3 Bg6 44.h4 h6 45.Kd4 Ra2 46.h5 Rb2 47.hg6 1–0. carocan (1700) – chessgenius86 (1655), kurnik, 2011.

7.b5 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

7.Be2 ab4=+ 8.0-0 b6 9.d5 (9.a3 ba3 10.Ra3 Ra3 11.Na3 Nc6=+) 9...Na6 10.Qb3 (10.a3 ba3 11.Ra3 e6=+) 10...Bf5 (10...e6 11.Rd1-/+) 11.Nbd2 (11.Nd4 Qd7=+) 11...Bd7 (11...Nc5!? 12.Qb4 Nd5 13.cd5 Ra4-+) 12.Nd4 Qb8 (12...Qe8 13.a4-/+) 13.Rfc1 (13.Bf3 Qe8=+) 13...Qa7 (13...Qe8 14.a3 Ba4 15.Qa2-/+) 14.Nb5 Qb7 15.Nd4 Qa7 16.Nb5 Bb5 17.cb5 Nc5 18.Qb4?? (18.Qc4 Qb7 19.Bf3 Ra4=+) 18...Qa4?? (better 18...Nd5 19.Qc4 Bb2 20.Qd5 Bc1 21.Rc1 Qa2-+) 19.Bc3?? (better 19.Qc4=) 19…Qb4-+ (19...Qb4 20.Bb4 Nd5 21.Bc5 dc5-+; 19...Nd5?! 20.Qa4 Ra4 21.Bg7 Kg7 22.Bc4-/+) 0-1. negrovich1 (1950) - PerroAmor (2015), Rated Bullet game, lichess.org, 2014. (=1.Nf3 d6 2.c4 g6 3.d4 Bg7 4.b4 Nf6 5.Bb2 0-0 6.e3)

7.a3 ab4 8.ab4 Ra1

9.Ba1 c5 10.bc5 dc5 11.dc5 Qa5 12.Bc3 Qc5 13.Qd4 Qc7 14.Na3 Nc6 15.Nb5 Qb8 16.Qd1 Rd8 17.Qa1 Nh5 (17...Bh6!?=+) 18.Be2= Bc3 19.Nc3 Bf5 20.0-0 Nf6 21.Rd1 Nb4 (21...Bc2 22.Rd8 Qd8 23.Qb2=) 22.Nd4 Nc2 (22...Bg4 23.f3 e5 24.fg4 ed4 25.ed4=) 23.Qb2+= Nd4 24.ed4 Qf4 25.g3 White intends d5 25...Qc7 26.Nb5 Qc8 (26...Qc6 27.Qb4+=) 27.Qb4 (27.Ra1 b6+=) 27...Qd7 (27...Kg7 A) 28.Qe7? Re8 29.Qf7 Kf7 30.Nd6 Kf8 31.Nc8 Re2–+ (31...Rc8?! 32.f3–/+; 31...Bc8?! 32.Bf3–/+); B) 28.Ra1+=) 28.Ra1+– Be4 (28...Kg7 29.d5+–) 29.d5 Qh3 30.Bf1 Qd7 31.Ra7 Ng4 (31...Qf5!? 32.Ra3 Rd7+–) 32.Nd4+– Bd5 (32...Ne5 33.Rb7 Qd6 34.Qe1+–) 33.cd5 Qd5 34.Ra4 e5 35.Nb5 h5 36.h3 Nh6 37.Nc3 Qf3 (37...Qd7+–) 38.Qe7 Rd2 (38...Rc8 39.Ne4 Qd1+–) 39.Ne4 Rd1 40.Ra8 Kg7 (40...Kh7 41.Ng5 Kg7 42.Ne6 Kh7 43.Rh8 Kh8 44.Qf8 Kh7 45.Qg7) 41.Qf8 Kh7 42.Qh8 1–0. Pierre – Mondes, internet, 2019.

9.Ba1 c5 10.bc5 dc5 11.d5 b5 (11...e6!?=) 12.cb5 Qa5 13.Nbd2 Nd5 14.Bg7 Kg7 15.Bc4 Nc3 16.Qc1 Bf5 17.0-0 Rg8 (17...Nd7!?=) 18.Qb2+/- Nd7?? (better is 18...Qb4 19.Qa1 Kh6+/-) 19.Ra1 (better is 19.Rc1+–) 19...Qb4= 20.Qa3 Nb6 21.Bf1 Ra8 22.Qb4 cb4 23.Ra8 Na8 24.Nd4 Bd7 25.N2b3 Nc7?? (better is 25...e5 26.Nc6 Bc6 27.bc6 Kf6=) 26.b6+– (26.b6 Bc8 27.bc7+–) 1–0. Fournier,Frederic (1865) – JohnnyKlever, Active, 2005.

9.Ba1 c5 10.dc5 dc5 11.Qd8 Rd8 12.b5 Bf5 13.Nbd2 Nbd7 14.Be2 Ra8 15.0-0 Ra2 16.Rd1 h6 17.h3 g5 18.g4 Bc2 19.Rc1 Ne4 20.Bg7 Kg7 21.Ne4 Be4 22.Kf1 Nb6 23.Ne5 f6 24.Bd3 Bh1 (worse is 24...fe5 25.Be4 Ra7 26.f3+=) 25.Kg1 fe5 26.Kh1 Nc8 27.Kg2 Nd6 28.Kf3 Kf6 29.Bh7 b6 30.Bd3 Ra4 31.Rc2 e4 32.Be4 Nc4 33.Bc6 Rb4 34.Ra2 Nd6 35.Ra8 c4 36.Ra2 Nb5 37.Bb5 Rb5 38.Ke4 Rb3 39.Kd4 b5 40.Ra6 e6 41.Rb6 c3 42.Rc6 b4 43.f4 Rb2 44.f5 c2 45.e4 b3 46.e5 Kf7 47.Rc7 Ke8 48.f6 (48.Kd3–+) 48...Rb1 49.Rc8 Kd7 50.f7 Rf1 (50...Rf1 51.f8Q Rf8 52.Rf8 c1Q–+) 0–1. Jaramillo,Carlos Orlando (1960) – Carvajal,Nolberto (2295), Cali qual, 2008. (=1.e3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.d4 a5 7.a3 ab4 8.ab4 Ra1)

9.Ba1 c6 10.Nbd2 d5 11.c5 Bf5 12.Be2 Ne4 13.Ne4 Be4 14.0-0 Nd7 15.Ng5 Nf6 16.Ne4 Ne4 17.f3 Nf6 18.b5 Qa5 19.Qd3 Ra8 20.Bc3 Qd8 21.Ra1 1–0. Fournier,Frederic (2200) – Corinthians2 (2200), queenalice.com, 2008.

9.Ba1 c6 10.Nbd2 Bd7 11.Bd3 b5 12.c5 Qc7 13.0-0 Nd5 14.Qb3 Be6 15.Qa3 Nd7 16.Rc1 Qb7 17.Bc3 (better is 17.Ne4!? Ra8 18.Qb2=) 17...Ra8 18.Qb2 Nc3 19.Qc3 Ra2? (19...dc5 20.bc5 b4=) 20.Ra1?? (20.cd6 ed6 21.Qc6 Qc6 22.Rc6+–) 20...Qa7?? (better is 20...Ra1 21.Qa1 dc5 22.bc5 Nc5+=) 21.Ra2+– Qa2 22.g3?? (better is 22.cd6 ed6 23.Qc6+–) 22...dc5= 23.bc5 Qa4 24.Bc2 Qa6 25.Bb3 Bb3 26.Qb3 Nf6 0–1. Fournier,Frederic – bymyself, Active, 2007.

9.Ba1 Nc6 10.b5 Na5 11.Qa4 b6 12.Bc3 Nb7 13.Bd3 Bg4 14.Nbd2 Qa8 15.Qa8 Ra8 16.0-0 Na5 17.Ba5 Ra5 18.h3 Bd7 19.Rb1 e6 20.Nb3 Ra3 21.Nfd2 e5 22.d5 e4 23.Ne4 Ne4 24.Be4 Kf8 25.Bd3 Ke7 26.Bf1 Bc3 27.g3 h5 28.Kg2 f5 29.Bd3 Kf6 30.Kf3 g5 31.Kg2 Ra2 32.Bf1 h4 33.gh4 gh4 34.Kf3 Ke5 35.Bd3 Be8 36.Nc1 Bh5 37.Kg2 Rd2 38.Rb3 Ba5 39.Bf1 Rd1 40.Nd3 Kf6 41.Nf4 Bf7 42.Rb2 Ra1 43.Rc2 Ra3 44.Be2 Ra1 45.Bh5 Bh5 46.Nh5 Ke5 47.Nf4 Ra3 48.Ng6 Ke4 49.Nh4 Kd3 50.Rc1 Bd2 51.Rb1 Kc4 52.Nf5 Kd5 53.Rb2 Bc3 54.Rc2 Be5 55.Ne7 Ke6 56.Ng8 Rb3 57.Rc7 Rb5 58.Re7 Kd5 59.f4 Bc3 60.Kf3 Kc4 61.h4 1–0. raifllashtica (1665) – shahu2010 (1830), kurnik, 2012. (=1.d4 d6 2.e3 Nf6 3.c4 g6 4.Nf3 Bg7 5.b4 0-0 6.Bb2)

9.Ba1 Nc6 10.Bc3 Ne4 11.Bd3 (better is 11.b5!? Nc3 12.Nc3=) 11...Nc3–/+ 12.Nc3 Nb4 13.Be2 Bd7 14.Qb3 c5 15.dc5 dc5 16.Nd5 (better is 16.0-0!?–/+) 16...Nd5–+ 17.cd5 Qa5 18.Nd2 b5 19.Qb2?? (19.Qc2–+) 19...Bb2 20.Bd1 Bc3 0–1. cmulligan (2255) – grotesmurf (2410), net–chess.com, 2011.

9.Ba1 d5 10.Nc3 Be6 11.Ng5 Bg4 12.Qb3 h6 13.h3 Bf5=.

9.Ba1 d5 10.Be2= Bg4 11.0-0 dc4 12.b5 Nbd7 13.Nbd2 Nb6=.

9.Ba1 Nbd7 10.Be2 e5 (10...d5 11.c5 (11.Na3= dc4 12.0-0 Nd5 13.Qe1 N7f6=) 11...Ne4 12.0-0 b6 13.Nbd2 Ndf6+=) 11.0-0 (11.de5 Ng4 12.0-0 Nde5 13.Nbd2 Re8=) 11...Qe7 12.Nc3 c6 (12...Nb6 13.Qb3 Bf5+=) 13.de5 (13.Bb2 d5+= (13...Re8=); 13.Qb3 Rd8+=) 13...Ne5 14.Ne5 de5 15.c5 Be6 16.Qc2 h5 (16...Rb8 17.e4=) 17.Bb2 (17.e4 h4+=) 17...h4 18.h3 (18.Ra1 h3+=) 18...Bf5 (18...b6 19.cb6 Qb4 20.Rb1+=) 19.Bd3 (19.e4 Be6+/-) 19...e4 (19...Bd3 20.Qd3 Rd8 21.Qc4=) 20.Be2 Nd7 21.Na4 Ne5 22.Be5 (22.Rd1 Ra8=) 22...Be5 23.Nb6 Bb8 24.Nc4 Rd8 25.Rd1 Rd5 26.Rd5 (26.Ra1 Qc7 27.Nd6 Rd6 28.cd6 Qd6+=) 26...cd5= 27.Nd6 (27.Nd2 d4 28.Bc4 Qc7=) 27...Bd6+= 28.cd6 Qd6 29.Qa4 Kg7 30.Qa1 0–1. Fournier,Sylvain – Gladyszev,Oleg (2345), 22nd Open, Bethune FRA, 2001. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 a5 7.a3 ab4 8.ab4 Ra1)

7.a3 Nbd7

8.Nc3 e5 9.Be2 ed4 10.Nd4 Ne5 11.0-0 Re8 12.Qb3 Bg4 13.f3 Bd7 14.e4 Nh5 15.Nd5 c6 16.Ne3 Nf4 17.g3 (17.Rae1 ab4 18.ab4 b6=+) 17...Ne2-/+ 18.Ne2 Bh3 19.Ng2 (19.Rf2 ab4 20.ab4 Ra1 21.Ba1 Nf3 22.Rf3 Ba1-/+) 19...Be6 20.Rac1 (20.Be5!? Be5 21.Rac1-/+) 20...b5 21.Ne3 (21.Be5 Bc4 (21...Be5?! 22.Ne3-/+; worse 21...de5 22.Ne3-/+) 22.Rc4 bc4 23.Qc4 de5-+ (worse 23...Re5 24.Qc6 ab4 25.ab4-/+; 23...Be5?! 24.Qc6 Bb2 25.Ne3-/+)) 21...bc4 22.Qc2 Qb6 23.Qd2? (better 23.Bd4 Nf3! 24.Rf3 Bd4 25.Nd4 Qd4 26.Rd1-+) 23...ab4 24.ab4 Ra2 25.Rc2 Nd3 (25...Nd3 26.Bc1 Ra1-+) 0-1. Keene,Nick R - Valdes Escobar,A (2355), 4NCL Online S2 Div1, 2020. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4)

8.Be2 c6 9.Nc3 Qc7 10.0-0 e5 11.Qc2 Re8 12.de5 de5 13.e4 Nf8 14.Na4 Bg4 15.c5 N6d7 16.Ng5 Be2 17.Qe2 h6 18.Nf3 Ne6 19.Rfd1 Rad8 20.Rd2 b5 21.cb6 Nb6 22.Nb6 Qb6 23.Rd8 (worse is 23.Be5 A) worse is 23...ab4 24.Bg7 Rd2 25.Qd2 Ng7 26.ab4+= (26.Qb4?! Qb4 27.ab4 Re4=); B) 23...Be5 24.Ne5 Nd4–/+) 23...Rd8 24.Be5?? (better is 24.ba5 Qa5 25.Qc2=) 24...Be5–+ (24...ab4 25.Bg7 Ng7 26.ab4 Qb4 27.Qe3+=) 25.Ne5 Qd4 26.Rb1 Qe5 0–1. Stojanov,Svetlin (2305) – Szuhanek,Ranko (2235), Belgrade Trako, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4)

7.a3 Bf5

8.b5 Nbd7 9.Bd3 Bd3 10.Qd3 e5 11.de5 Ng4 12.0-0 Nde5 13.Ne5 Ne5=.

8.Bd3 Bd3 9.Qd3 ab4 10.ab4 Ra1 11.Ba1 c6 12.0-0 Qb6 13.Bc3 Nbd7 14.Nbd2 Ra8 15.Rb1 Ra3 16.Nb3 d5 17.c5 Qc7 18.Bb2 Ra4 19.b5 Ne4 20.bc6 bc6 21.Nbd2 Nd2 22.Qd2 e5 23.Bc3 ed4 24.ed4 Nf6 25.Qc2 Ra8 26.Bd2 Ne4 27.g3 Nd2 28.Qd2 Ra3 29.Qe2 h6?? (better is 29...Ra8=) 30.Qe8+– Kh7 31.Rb8 Qb8 32.Qb8 Rf3 33.Kg2 Rd3? (better is 33...Rc3!?+/-) 34.Qc7 Rd4 35.Qc6 Rd1 36.Qd7 d4 37.c6 (37.Qf7?! d3+–) 37...Ra1 38.c7 (38.c7 Rc1 39.c8R Rc8 40.Qc8+–; worse is 38.Qf7 Ra8+–) 1–0. Sinnwell,Horst – Schulte Eversum,Hendrik, Ruhrgebiet VL2, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 a5)

8.Bd3 Bd3 9.Qd3 ab4 10.ab4 Ra1 11.Ba1 d5 12.0-0 Qd6 13.Nc3 dc4=.

8.Be2 c5 9.bc5 dc5 10.Qb3 a4 11.Qb5 Ra5 12.Qb7 Be4 13.d5 Ra6 –/+.

6.d4 a6

7.a3 c5 8.Be2 (8.Bd3 cd4 9.ed4 d5 10.c5 Nh5 11.Qd2 Qc7 12.0-0=; 8.bc5 dc5 9.Bd3 cd4 10.ed4 Nc6 11.Qe2 Re8 12.0-0=) 8...cd4 9.Nd4 Nc6 10.0-0 Nd4 11.Bd4 Qc7 12.Nd2=.

7.a3 Nc6 8.Be2 Bf5 9.0-0 Qe8 10.d5 Nb8 11.Nd4 Bd7 12.Nd2 e5 13.de6 fe6 14.Bf3 Nc6 15.Nc6 bc6 16.Ne4 Ne4 17.Bg7 Kg7 18.Be4 Rb8 19.Qd4 e5 20.Qa7?? Qc8–+ 21.Bg6 hg6 22.e4 Rf7 23.Qe3 Be6 24.Rac1 Qh8 25.f3? Qh6 26.Qh6 Kh6 27.h3 Kg5 28.c5 d5 29.ed5 cd5 30.Rfe1 Kf6 31.Rc2 Bf5 32.Rce2 Re7 33.g4 Bd7 34.Kf2 Bb5 35.Re3 Bc4 36.Kg3 c6 37.h4 a5! 38.ba5 Ra8 39.Rb1 Ra5 40.Rb6 Rc5 41.g5 Kf5 42.Rb8 d4 43.Rf8 Rf7 44.Rf7 Bf7 45.Re1 Ra5 46.Rc1 Bd5 0–1. ludice (1720) – krutorukrutny, kurnik, 2011.

7.a4 a5 8.b5 b6 9.Be2 c5 10.0-0 Bg4 11.Nc3 Nbd7 12.d5 e6 (better is 12...Qc7!?+=) 13.de6+/- fe6 14.Qd6 Re8 15.Rad1 Re7? (15...Qe7 16.Rd2+–) 16.Ba1 (better is 16.Ne5 Be2 17.Nc6 (17.Ne2?! Qe8+–) 17...Bf1 18.Nd8 Rd8 19.Qe7+– (19.Kf1?! Rf7+–; 19.Rf1?! Rf7+–)) 16...Ne4?? (better is 16...Qe8+–) 17.Ne4 Ba1 18.Neg5 (better is 18.Ra1 Bf5 19.Nc3+–) 18...Bf3 19.Bf3 (19.gf3?! Be5 20.Qc6 Qe8+/-) 19...Be5 20.Ne6 Qe8 21.Qd5 Kh8 (21...Ra7 22.Nd8 Kg7+–) 22.Qa8 Qa8 23.Ba8 Re6 24.Rd7 Bf6 25.Rfd1 h5 26.R1d6 Re8 27.Rf6 Ra8 28.Rb6 Rc8 29.Rg6 (29.Rc6 Rf8 30.b6 Rg8 31.b7 Rg7 32.Rg6 Rd7 33.b8Q Rd8 34.Qd8 Kh7 35.Qg8) 29...Ra8 30.Rc6 Rb8 31.b6 Ra8 (31...h4 32.b7 Re8 33.Rc8 Rg8 34.Rg8 Kg8 35.b8Q) 1–0. Souza,Matt – Bik,Russell, 111th US Open, Irvine USA, 2010.

7.a4 b6 8.Qc2 Bb7 9.Be2 Nbd7 10.Nbd2 c5 11.b5 ab5 12.ab5 e6 13.0-0 Qb8 14.h3 e5 15.d5 Re8 16.e4 Nh5 17.Ng5 Nf4 18.Bf3 (18.Bg4!? Qd8 19.Ra8 Ba8 20.g3 Qg5 21.Bd7 Ne2 22.Kg2+=) 18...h6 19.g3 Nd5 20.ed5 hg5 21.Ne4 f6 22.Kg2 Bh6?? (better is 22...Qc7=) 23.Bg4?? (better is 23.Ra8 Ba8 24.Nd6 Qd6 25.Qg6 Kf8 26.Bh5+–) 23...Bc8?? (better is 23...f5 24.Nc3 fg4 25.Qg6 Bg7 26.hg4 Nf6–/+) 24.Ra8+– Qa8 25.Bd7 Rf8 26.Nd6 Kg7?? 27.Bc8 Rc8 28.Nc8 Qc8 29.Ra1 Qe8 30.Ra7 Kh8 31.d6 (31.d6 Qb8 32.Rc7+–) 1–0. ourang – karnal78, kurnik, 2012.

7.a4 Nc6 8.b5 ab5 9.ab5 Ra1 10.Ba1 Nb8 11.Be2 Bg4 12.0-0 Nbd7 13.Nc3 Re8 14.Qb3 (14.h3 Bf3 15.Bf3 Qc8+=) 14...e5= 15.h3 ed4 16.ed4 Bf5 17.Qa3 Ne4 18.Nd5 Nd2 19.Re1 (better 19.Rd1 Re2 20.Rd2=) 19...Nc4?? (better 19...Nf3 20.Qf3 Be4=) 20.Bc4+- Re1 21.Ne1 c6 22.bc6 (22.Qd6 cd5 23.Bd5 Qa5=+) 22...bc6 23.Ne3 Nb6 24.Qa5 (24.Nf5 Nc4 25.Qb4 gf5 26.Qc4 c5+-) 24...Nc4?? (24...Bf6+-) 25.Qd8 (25.Qd8 Bf8 26.d5+-; 25.Nc4?! Qa5 26.Na5 c5+-) 1-0. Zheglov,Vadim (2235) - Rozenblit,Stas (1730), Bogdanovich Mem Qual, 2021.

7.Nc3 Nc6 8.a3 Bf5 9.Bd3 Bd3 10.Qd3 d5 11.0-0 dc4 12.Qc4+=.

7.Nc3 Nbd7 8.Be2 (8.Bd3 Re8 (8...e5 9.0-0 Qe7 10.Be2 Nb6 11.Qb3 e4 12.Nd2+=) 9.0-0 e5 10.de5 Ne5 11.Ne5 de5 12.e4=) 8...c5 (8...e5 9.0-0 a5 10.b5 ed4 11.ed4 d5 12.c5+=; 8...Re8 9.0-0 c5 10.a3 cd4 11.Nd4 Nb6 12.Rc1+=; 8...b6 9.0-0 c5 10.a3 cd4 11.ed4 Bb7 12.Qd3+=) 9.bc5 (9.a3 cd4 10.ed4 Nb6 11.0-0 d5 12.c5=) 9...dc5 10.Rb1 (10.0-0 Qc7 11.Re1 b6 12.Qb3=) 10...cd4 (10...Qc7 11.0-0 Rd8 12.Qb3=) 11.ed4 Nb6 (11...Qc7 12.0-0=) 12.0-0 (12.Ba3 Be6 13.Ne5 Rc8 14.Be7 Qe7 15.Rb6 Bc4+=) 12...Bf5= 13.Bd3 (13.Rc1 Qc7 14.Qb3 Rac8=) 13...Rc8 (better is 13...Bd3!? 14.Qd3 Rc8+=) 14.Bf5+= gf5 15.c5 Nbd5 16.Qa4 Rc7 17.Rfd1 Nc3 (17...Ne4 18.Qb3 Nec3 19.Bc3 Nc3 20.Qc3+=) 18.Bc3+/- Nd5 (18...Qd5 19.Ba5 Rcc8 20.Rb2+/-) 19.Ba5 Qd7 20.Qc4 (20.Qb3 b6 21.Bb6 Rb7+/-) 20...Rc6 (20...b5 21.Qb3 Rcc8 22.Ne5+=) 21.Ne5 (21.Qb3 Rfc8+/-) 21...Be5 22.de5 e6 23.Rd3 (better is 23.Qh4!?+/-) 23...Qe7= 24.Rc1 (24.Qb3 Rc5 25.Rd5 Rd5+=) 24...Rfc8+= 25.Bb4 Nb4 (25...b5 26.Qb3+=) 26.Qb4 Rc5 27.Rc5 (27.Rcd1 b5+=) 27...Rc5 (27...Qc5 28.Qd2 Qc1 29.Qd1–+) 28.Qd4 (28.Qf4 Qh4 29.Qd2 b5+= (29...Re5? 30.Rg3 Qg3 31.hg3+–)) 28...Rc1 (28...Rd5 29.Qc3 Qc5 30.Qc5 Rc5 31.Kf1–+) 29.Rd1 Rd1 30.Qd1 Qc7 31.f4 Qc5 32.Kf1 Kg7 33.Qh5?? (better is 33.Qd2–/+) 33...Qc4 (33...Qc1 34.Kf2 Qf4 35.Qf3 Qd4 36.Qe3 Qe3 37.Ke3–+) 34.Ke1 (34.Qe2 Qf4 35.Kg1 Qd4 36.Kf1 f6–+) 34...Qf4 35.Qe2 Qe4 36.Qe4 fe4 37.Ke2 Kg6 38.g4 Kg5 39.Ke3 Kg4 40.Ke4 b5 41.a3 a5 42.Ke3 b4 43.ab4 ab4 44.Kd4 Kf4 0–1. Rosas,Jorge – Vehre,John, Mansfield m2, 1989.

7.Nc3 e5 8.de5+– de5 9.Qd8 Rd8 10.Ne5 Be6 11.Be2 Nbd7 12.Nd7 Rd7 13.0-0 (13.Rd1 Rd1 14.Nd1 b5+=) 13...Rad8 (13...Rd2!? 14.Rab1 Ne8=+) 14.Rfd1 (14.Rad1!?+=) 14...Rd2= 15.Bc1 (better 15.Kf1!? R8d7 16.Rab1=) 15...Rd1–/+ 16.Bd1?? (better 16.Nd1 Bc4 17.Bf3 Rd1 18.Bd1–/+) 16...Ne4!!–+ (16...Bc4?! 17.Bb2 Nd5 18.Na4 Nb4 19.Bb3 Bb3 20.ab3–+) 17.Bb2 (17.Ne4 Theme: Deflection from d1 17...Rd1 A classical mating theme) 17...Nc3 18.Bc3 (18.Bf3–+) 18...Bc3 19.Rc1 Bb4 (better 19...Bb2 20.Rb1 Bf5 21.Bc2 Bc2 22.Re1–+) 20.Bb3 Rd2 21.g3 (21.Rb1 c5–+) 21...c5 (21...Bh3 22.c5–+) 22.Kg2 (22.Ra1 Bc3 23.Rc1 Bb2–+) 22...Kg7 (22...b5 23.cb5 ab5 24.Be6 fe6 25.Rb1 Ra2 26.g4–+) 23.Kf3 Kf6 24.e4 (24.g4 b5–+) 24...h5 (24...Rd4 25.Rc2–+) 25.Ke3 Rb2 26.f3 (26.Rd1–+) 26…Bd2 (26...Bd2 27.Ke2 Bc1 28.Kd1 Be3–+) 0–1. aravind555 (1805) – sergio_1313 (1870), lichess.org, 2020.

7.Nbd2 b6 8.a4 Nbd7 9.Be2 Bb7 10.0-0 c5 11.b5 a5 12.d5 Nh5 13.Bg7 Ng7 14.e4 f6 15.Re1 Ne5 16.Nf1 Bc8 17.h3 f5 18.Bd3 Nd3 19.Qd3 f4 20.Qd2 e5 21.de6 Be6 22.Qc3 Qf6 23.Qc2 Rad8 24.Rad1 g5 25.N1h2 h5 26.Re2 g4 27.hg4 hg4 28.e5 Qf7 29.Ng5 Qf5 30.Qf5 Bf5 31.ed6 Nh5 32.Re5 g3 33.fg3 Ng3 34.Ne6 Be6 35.Re6 Rf7 36.Nf3 Nf5 37.Ne5 Rh7 38.d7 Nd4 39.Re8 Kg7 40.Rd8 Ne6 41.Re8 Kf6 42.Re6 Ke6 1–0. Adamkosh (1835) – Daniel003 (1715), lichess.org, 2019.

7.Nbd2 d5 A) 8.Bd3 Bg4 (8...dc4 9.Nc4 Nc6 10.a3 b5 11.Ncd2 Bb7 12.Nb3+=; 8...Nc6 9.a3 Bg4 10.Qc2 Qd7 11.0-0 dc4 12.Bc4+=) 9.h3 Bd7 10.0-0 Bc6 11.cd5 Nd5 12.a3+=; B) 8.Be2 dc4 9.Bc4 Bf5 10.Ne5 Nbd7 11.0-0 e6 12.Rc1+=; C) 8.a3 Nc6 (8...a5 9.ba5 Ra5 10.Bd3 dc4 11.Nc4 Rh5 12.0-0+=; 8...Be6 9.cd5 Nd5 10.Bd3 Nd7 11.0-0 h6 12.Rc1+=) 9.Bd3 Bg4 10.Qc2 Qd7 11.cd5 Nd5 12.0-0+=.

7.Nbd2 e5 8.de5 Nfd7 9.Bd3 Nc6 10.Qb3 Nde5 11.Be4 Re8 12.0-0=.

7.Bd3 c5 8.bc5 (8.a3 cd4 9.ed4 d5 10.c5 Nh5 11.Qd2 Qc7 12.0-0=) 8...dc5 9.0-0 Nc6 10.Qb3 Nb4 11.Be2 Bf5 12.Rc1+=.

7.Bd3 Nc6 8.a3 d5 9.0-0 dc4 10.Bc4 Bf5 11.Qe2 e6 12.Rd1+=.

7.Bd3 d5 A) 8.0-0 dc4 9.Bc4 Qd6 10.a3 Bf5 11.Nc3 Nbd7 12.Re1+=; B) 8.Nbd2 Bg4 9.h3 dc4 10.Bc4 Bf5 11.Qe2 Ne4 12.Rc1+=; C) 8.a3 Nc6 (8...Bg4 9.0-0 dc4 10.Bc4 Qd6 11.Nbd2 Nc6 12.d5+=; 8...dc4 9.Bc4 Qd6 10.Nc3 Be6 11.Bd3 Nc6 12.Qc2+=) 9.0-0 Bg4 10.h3 dc4 11.Bc4 Bf5 12.Nc3+=; D) 8.Nc3 dc4 9.Bc4 Qd6 10.a3 Be6 11.Bd3 Nc6 12.0-0+=; E) 8.cd5 Nd5 (8...Qd5 9.Nc3 Qd6 10.a3 Nc6 11.Qc2 Qd8 12.0-0+=) 9.a3 c6 10.Nc3 Nc3 11.Bc3 Bg4 12.h3+=.

7.Bd3 Bd7 8.0-0 b5 9.c5 dc5 10.dc5 Nc6 11.Ne5 Nb4 12.Nd7 Nd3 13.Qd3 Qd7 14.Qd7 Nd7 15.Bg7 Kg7 16.Nd2 Nc5 17.Rac1 Ne6 18.Ne4 f5 19.Nc5 Nc5 20.Rc5 Rac8 21.Rd1 Rfd8 22.Rdc1 Kf7 23.h3 Rd7 24.Rc6 Rd6 25.Rc7 Rc7 26.Rc7 Ke6 27.f4 Kd5 28.Re7 Rc6 29.Kf2 Rc2 30.Kf3 Ra2 31.Rh7 b4 32.Rb7 a5 33.Rb5 Kc4 34.Re5 b3 35.g4 fg4 36.hg4 b2 37.Re4 Kc3 38.Re7 b1Q 39.Rc7 Kd2 40.Rd7 Ke1 41.f5 gf5 42.gf5 Qf5 43.Kg3 Qd7 0–1. Nautiluschess – santini, ICS blitz, 2001.

7.Be2 b6 8.a3 c5 9.dc5 bc5 10.bc5 dc5 11.Qd8 Rd8 12.0-0 Nc6 13.Nc3 Bf5 14.Rfd1 Ne4 15.Rd8 Rd8 16.Rd1?? (better is 16.Ne4 Be4 17.Bg7 Kg7 18.Ng5=) 16...Nc3–+ 17.Rd8 Nd8 18.Bc3 Bc3 19.Kf1 Nc6 0–1. Fournier,Frederic – ingeZ, Active, 2007.

7.Be2 c6 8.0-0 b5 9.c5 d5 (9...a5 10.cd6 ed6 11.ba5=) 10.Nc3 (10.a4 ba4 11.Qa4 Ne4+/-) 10...Nbd7 (10...a5 11.a3=) 11.a3 (11.a4 Rb8+/-) 11...Ne8 (11...a5 12.Qb3+=) 12.Qc2 (12.a4 Nc7+/-) 12...e5 13.de5 Ne5 14.Ne5 Be5 15.Bf3 (15.Bd3 Qh4 16.f4 Bg7+=) 15...Bf5 (better is 15...Qh4!? 16.g3 Qf6=) 16.e4+/- de4 17.Be4 (17.Ne4 Qc7 18.Be5 Qe5+/-) 17...Be4 18.Qe4 Qf6 19.Rac1 (19.Nd5 Bh2 20.Kh2 Qb2 21.Ne7 Kg7 22.Nc6 Nf6+=) 19...Nc7 20.Qc2 (20.Nd5 Nd5 21.Be5 Rfe8+=) 20...Rfe8= 21.Ne4 (21.Rce1 Qh4 22.g3 Qh5+=) 21...Qf5 (21...Bh2 22.Kh2 Qh4 23.Kg1 Re4+= (23...Qe4? 24.Qc3 f6 25.Qf6+–)) 22.Be5 Qe5 23.Nd6 Re6 24.Qd2 Nd5 25.Rfe1 Qf6 26.Re6 Qe6 27.Re1 Qf6 28.g3 Kg7 (28...Qf3 29.Qb2=) 29.Qc1 (29.Ne8!? Re8 30.Re8 Qa1 31.Kg2 Qa3 32.Qd4 f6 33.Rd8+–) 29...a5 30.Ne8 Re8 31.Re8 ab4 32.ab4 Nb4 33.Re3 Nd5 34.Re1 b4 35.Qa1 (35.Kg2 Qd4=) 35...Nc3 36.Qb2+= Qd4 37.Qc1 Qc5+= 38.Qe3? Qf5?? 39.Qe5?? Qe5–+ 40.Re5 f6 41.Rc5= Ne2 42.Kf1 Nd4 43.Rc4 c5 44.Rc5 b3 45.Rc3 b2? 46.Rc7+– Kh6 47.Rb7 Nf3 48.Rb2 Nh2+/- 49.Kg2 Ng4 50.Rb6 f5 51.f3 Ne3 52.Kf2 Nd5 53.Ra6 Kg5 54.Ra5 Nf6 55.g4 Kf4? 56.gf5 gf5 57.Ra4 Kg5 58.Kg3 h5? 59.f4+– Kg6 60.Ra6 Kf7 61.Kh4 Nd5 62.Kh5?? Nf4+/- 63.Kg5 Ne6 64.Kf5 Nd4 65.Kf4 Ne6 66.Re6 Ke6= ½–½. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

7.Be2 d5 8.0-0 dc4 (8...Nc6 9.a3 Bg4 10.Ne5 Be2 11.Qe2 a5 12.cd5+=; 8...Bf5 9.Nc3 dc4 10.Bc4 Qd6 11.a3 Nbd7 12.Re1+=) 9.Bc4 Qd6 10.a3 Bf5 11.Nc3 Nbd7 12.Re1+=.

7.Be2 Nbd7 8.0-0 c6 (8...c5 9.a3+=) 9.Nc3 Rb8 (9...e5 10.a3+=) 10.Rc1 (10.e4 c5 11.a3 Qb6+=) 10...b5 11.a3 (11.cb5 ab5 12.e4 Nb6+=) 11...Bb7 (11...bc4 12.Bc4 c5 13.dc5 dc5 14.Na2+=) 12.Qc2 (12.c5 dc5 13.dc5 Bc8+=) 12...bc4 13.Bc4 c5 14.dc5 (14.bc5 Bf3 15.gf3 dc5=) 14...dc5 (14...Bf3 15.gf3 dc5 16.Na2=) 15.Na2 (15.Ng5 cb4 16.ab4 Ne5=) 15...Bf3 16.gf3 cb4 (16...Qb6 17.Qa4 cb4 18.ab4= (worse is 18.Qb4 Qa7 19.Qd2 Ne4 20.fe4 Bb2+=)) 17.Nb4+= Qb6 (17...Rc8 18.Na6 Qa5 19.Qe2+=) 18.Ba6+/- Nd5? (better is 18...Qa5!? 19.Be2 Qg5 20.Kh1 Qh4+/-) 19.Nd5+– Qa6 20.Ne7 Kh8 21.Bg7 Kg7 22.Qc3 f6 23.Nc6 Rbc8 24.Qd4 Rf7 25.Nb4 Qb7 26.Rc8 Qc8 27.f4 Nf8 28.f3 Ne6 29.Qd6 Nf8 30.Nd5 Qa8 31.Rc1 Qa5 32.Qc5 Qd2 33.Rc2 Qd1 34.Kg2 Rd7 35.e4 f5 36.Qc3 Kh6 37.Ne3 Qd6 38.ef5 Qf4 39.Ng4 Kh5 40.Nf6 (40.Nf6 Kh6 41.Nd7 Nd7 42.fg6 Kg6 43.Qd3 Qf5 44.Qd6 Nf6 45.Rc5+–) 1–0. Wall,Bill – Vitavil, internet, 2005.

7.Be2 e6 8.0-0+= Nbd7 9.Nc3 Qe8 10.a4 Qe7 11.a5 c6 12.c5 d5 13.Na4 h6 14.Ne5 Kh7 15.Bd3 Ne5 16.de5 Nd7 17.f4 f6 18.Qg4 f5 (18...Qf7 19.Rf3+/-) 19.Qh3 g5 20.g4 (better 20.Nc3+/-) 20...Rf7? (20...Kh8 21.Qh5+/-) 21.Rf2?? (better 21.gf5 ef5 22.Bf5 Kh8 23.e6 Rf5 24.Qf5+- (24.ed7?! Bd7 25.Qh6 Kg8 26.Bg7 Qg7 27.Qg7 Kg7+/-)) 21...Kg8+/- 22.Rg2 fg4 23.Qg4 Nf6?? (better 23...Kh8+/-) 24.ef6+- Bf6 25.fg5 hg5 26.Bf6 Rf6 (26...Qf6 27.Rf1 Qg7+-) 27.Qg5 Kf8 (27...Rg6 28.Qg6 Qg7 29.Qg7) 28.Qg8 1-0. Oldenev – Gerry, internet, 2021.

7.Bd3 c6

8.0-0+= Be6 9.Nbd2 Nbd7 10.Ng5 Nb6 (10...Bg4 11.f3 Bh6 12.fg4 Bg5 13.Re1+=) 11.Ne6+/- fe6 12.Nf3 Rc8 (12...a5 13.a3+/-) 13.a4 Ne8 (13...Na8 14.a5+/-) 14.Ng5+– Qd7 15.Qg4 (15.a5 Na8 16.Qg4 Nf6 17.Qe6 Qe6 18.Ne6 Rfe8+–) 15...Nf6 (better is 15...e5!? 16.Qe6 Qe6 17.Ne6 e4 18.Be4 Nc4 19.Nf8 Kf8+–) 16.Qe6 Qe6 17.Ne6 Rf7 18.a5 Nbd7 19.e4 Bh8 20.Rac1 Nh5 21.f4 (21.c5 Ndf6+–) 21...Nf8 22.f5 (22.Nf8 Rcf8 23.g3 e6+–) 22...Ne6 23.fe6 Rf6 24.Rf6 ef6? (better is 24...Bf6 25.Rf1 Ng7+/-) 25.Rf1 Re8 (25...Ng7 26.Rf6 Nf5 27.Rf5 gf5 28.ef5+–) 26.g4 Ng7 27.d5 (27...Ne6 28.de6 Re6 29.h4+–; 27.Rf6?! Ne6 28.Rf1 Bd4 29.Bd4 Nd4+=) 1–0. lucya (2150) – jonny12ball, GameColony.com, 2002.

8.a4 Bg4 9.0-0 Nbd7 10.Nbd2 b5 11.ab5 ab5 12.cb5 Ra1 13.Ba1 cb5 14.Bb5 Qb8 15.Bd7 Nd7 16.Bc3 Qc8 17.Qb3 Nf6 18.h3 Bd7 19.Rc1 Qb7 20.Rb1 Bc6 21.b5 Bd5 22.Qb4 Rc8 23.Ne1 Be4 24.Rb2?? Nd5–+ 25.Qa5 ½–½. futsalboy (1605) – rrebeshi33 (1745), kurnik, 2011.

7.Bd3 Nc6

8.a3 Bd7 9.Qc2 h6 10.Nbd2 Kh7 11.Nb3 Qe8 12.h4 e5 13.de5 Ne5 14.Ne5 de5 15.h5 e4 16.hg6 fg6 17.Be2 Bg4 18.Nd4 Be2 19.Ne2 Rd8 20.Nf4 Qf7 21.Bd4 Rde8 22.0-0-0 c6 23.Rh2 b5 24.c5 Rh8 25.Rdh1 Kg8 26.Qc3 h5 27.Qc2 Rh7 28.Ne2 Ng4 29.Bg7 Rg7 30.Rh4 Nf2 31.Rf4 Nd3 32.Qd3 ed3 33.Rf7 Rf7 34.Nf4 Re3 35.Ng6 Kg7 36.Nh4 Rf2 37.Rd1 Rc2 38.Kb1 Rc3 39.Nf5 1–0. Adamkosh (1845) – dito_farhad (1785), lichess.org, 2019.

8.Qd2 Bg4=.

7.Be2 c5

8.a3 cd4 9.Nd4 Nc6 10.0-0 Nd4 11.Bd4 Qc7 12.Nd2=.

8.bc5 dc5

9.0-0 Qb6 10.Qb3 (10.Qc2 A) 10...Rd8 11.Nc3 (11.Qb3 Qc7 12.Nc3 cd4 13.ed4 Bg4 14.Rac1=; 11.Nbd2 Nc6 12.Rfd1 Bf5 13.Qb3 Nd7 14.Rac1=) 11...Bf5 12.e4 cd4 13.ef5 dc3 14.Bc3+=; B) 10...Bf5 11.Qb3 (11.Qc3 Rd8 12.Qb3 Qb3 13.ab3 Nc6 14.Rd1=) 11...Qb3 12.ab3 Nbd7 13.Nfd2 Rfd8 14.Bf3=; C) 10...cd4 11.ed4 (11.Bd4 Qe6 12.Rd1 Nc6 13.c5 Qf5 14.Qb2=; 11.c5 Qc7 12.ed4 Rd8 13.Nc3 Nc6 14.Rfd1=) 11...Bf5 12.Qb3 Qb3 13.ab3 Rd8 14.Nc3=; 10.Ba3 A) 10...Nbd7 11.Qb3 (11.Qd3 Qc7 12.Rd1 e5 13.Nc3 Re8 14.de5=; 11.Nc3 Qc7 12.Qb3 b6 13.Rab1 Rd8 14.Rfd1=) 11...Qc6 12.Nc3 Rd8 13.Rfe1 Qc7 14.Nd5+=; B) 10...cd4 11.c5 (11.ed4 Nc6 12.Nc3 Rd8 13.Rb1 Qa5 14.Qb3=) 11...Qd8 12.ed4 Nc6 13.Bb2 Rb8 14.Nbd2=) 10...Qb3 (10...Qc7 11.d5 (11.Re1 Rd8 12.Nc3 Bf5 13.Rad1 Nbd7 14.h3+=; 11.Nc3 cd4 12.ed4 Bf5 13.Rfe1 Rd8 14.Rad1+=) 11...Nbd7 12.Nbd2 b6 13.Rab1 Rd8 14.e4+=; 10...Qe6 11.dc5 (11.d5 Qd6 12.Bd3 Nbd7 13.e4 Ng4 14.Bg7+=; 11.Rd1 Nbd7 12.Nc3 b6 13.Rab1 h6 14.Na4+=) 11...Ne4 12.Bg7 Kg7 13.Nc3 Nc5 14.Qb4+/-) 11.ab3 Nc6 (11...b6 12.Nc3 Rd8 13.Rfd1 Nc6 14.dc5+=) 12.Nbd2 (12.dc5 Nd7 (12...Ne4 13.Bg7 Kg7 14.Nd4+=) 13.Bg7 Kg7+= 14.Nd4+=) 12...Nd7 (12...cd4 13.Nd4 Rd8 14.Rfd1+= (14.N2f3=); 12...b6 13.d5 Nb4 14.e4+=) 13.Rab1 (13.Rfd1 Rd8+= 14.Ne4+=) 13...Rb8 (13...Rd8 14.Rfd1+=) 14.Ne4 (14.dc5 Bb2 15.Rb2 Nb4+=) 14...b6 15.d5 Na5 (15...Nb4 16.Rfd1+=) 16.Bg7 Kg7 17.Nc3 Nb7 18.e4 f6 19.Nd2 Nd6 20.f4 b5 21.cb5 ab5 22.b4 Ba6 23.Nf3 (23.bc5 Nc5 24.Rb4 Rfc8+=) 23...Rfc8 24.Rfc1 cb4 25.Rb4 Nc5 (25...f5 26.Nd4 Ne4 27.Nc6 Nc3 28.Rc3=) 26.Ra1+/- Nd3 27.Bd3 Rc3 28.Be2 (28.e5 Ne8 29.Be2 Rb6+=) 28...Re3 29.Nd4 (29.e5 fe5 30.Kf2 Re4+/-) 29...Bc8 30.Nc6 (worse is 30.Bb5 Re4 31.Ra7 Kh6–/+) 30...Rb7 31.Bf3 Nc4 32.Kf2 Rc3 33.Ra7 Rc2 34.Ke1 Nb2 35.Rb7+– Bb7 36.Be2 Nc4 37.Bc4 Rc4 38.Rc4 bc4 39.Kd2 Kf8 40.Kc3+– Ba6 41.Na5 1–0. Santasiere,Anthony – Musgrove,Charles, Pompano Beach, 1969.

9.0-0 Nc6 10.Qb3 b6 11.Rd1 Qc7 12.d5=.

9.0-0 Qc7 A) 10.Qb3 A1) 10...Bf5 11.Nbd2 (11.Nc3 Rd8 12.Rad1 Nbd7 13.Nh4 cd4 14.ed4=; 11.Rd1 Rd8 12.Nbd2 cd4 13.Nd4 Bc8 14.Qa3=) 11...Rd8 12.d5 Nbd7 13.Nh4 Ng4 14.Bg4+/-; A2) 10...Rd8 11.Nbd2 (11.Nc3 Bf5 12.Rad1 Nbd7 13.Nh4 cd4 14.ed4=; 11.d5 Nbd7 12.Nc3 b6 13.Rfb1 Rb8 14.a3=) 11...Bf5 12.Rfd1 cd4 13.Nd4 Bc8 14.Qa3=; B) 10.Nc3 B1) 10...Rd8 11.Qb3 (11.Re1 Nc6 12.d5 Bg4 13.Rb1 b6 14.a3=; 11.Qa4 Bf5 12.Rad1 Nbd7 13.Qb3 b6 14.Rfe1=) 11...cd4 12.ed4 Bg4 13.Rac1 Nc6 14.Nd5=; B2) 10...Bf5 11.Re1 (11.Qb3 Rd8 12.Rad1 Nbd7 13.Nh4 cd4 14.ed4=; 11.Bd3 Bd3 12.Qd3 Rd8 13.d5 Nbd7 14.Rab1=) 11...Nc6 12.Nh4 Bc8 13.Nd5 Nd5 14.cd5+=; B3) 10...Bg4 11.Qb3 (11.Rb1 Rd8 12.Qa4 cd4 13.Nd4 Nbd7 14.Nd5=; 11.h3 cd4 12.ed4 Bf3 13.Bf3 Qc4 14.Bb7=) 11...cd4 12.Nd4 Be2 13.Nde2 e6 14.Rfd1=; C) 10.Nbd2 C1) 10...Bf5 11.Qb3 (11.Nh4 Bd7 12.Qb3 b6 13.Bc3 Bg4 14.Bg4+=; 11.Re1 Rd8 12.Qb3 Nbd7 13.Rad1 cd4 14.ed4=) 11...Rd8 12.d5 Nbd7 13.Nh4 Ng4 14.Bg4+/-; C2) 10...Rd8 11.Qb3 (11.Re1 b6 12.Qb3 Bf5 13.Rad1 Nc6 14.Bc3=; 11.d5 Bf5 12.Qb3 Nbd7 13.Nh4 Ng4 14.Bg4+/-) 11...Bf5 12.d5 Nbd7 13.Nh4 Ng4 14.Bg4+/-; C3) 10...cd4 11.ed4 Rd8 12.Re1 b6 13.d5 Nbd7 14.Rb1+=.

9.0-0 cd4 A) 10.Qd4 A1) 10...Bg4 11.Nc3 (11.h3 Bf5 12.Qh4 Nc6 13.Rd1 Qb6 14.Bc3=; 11.Rd1 Qc7 12.Qe5 Qe5 13.Be5 Nc6 14.Bc3=) 11...Nc6 12.Qc5 Qc7 13.Rfd1 Rfd8 14.Qa3=; A2) 10...Qc7 11.Nc3 (11.Qh4 Rd8 12.Nc3 Nc6 13.Rad1 Bf5 14.Nd4=) 11...Nc6 12.Qh4 Bf5 13.Rfd1 Rad8 14.Nd4=; A3) 10...Nc6 11.Qh4 Qb6 12.Bc3 h6 13.Nfd2 Rd8 14.Bf3=; B) 10.ed4 B1) 10...b6 11.Ne5 (11.Re1 Qc7 12.Bd3 Rd8 13.Qe2 e6 14.Nbd2=; 11.Nc3 Qd6 12.Re1 Bf5 13.Ne5 Ra7 14.Qb3=) 11...Ra7 12.Qb3 Bf5 13.Nc3 Qd6 14.Rad1+=; B2) 10...Bf5 11.Nc3 (11.Re1 b6 12.Bd3 Bd3 13.Qd3 Nc6 14.d5=; 11.Qb3 b6 12.Ne5 Ra7 13.Nc3 Nfd7 14.Rad1+=) 11...b6 12.Ne5 Ra7 13.Qb3 Qd6 14.Rad1+=; B3) 10...Qc7 11.Re1 (11.d5 Nbd7 12.a4 b6 13.a5 ba5 14.Bc3=; 11.Nc3 Rd8 12.Re1 Nc6 13.Qa4 Be6 14.d5=) 11...b6 12.Qd2 Rd8 13.Nc3 Bf5 14.Bd3=.

9.0-0 Nbd7 A) 10.Nc3 A1) 10...Qc7 11.Qb3 (11.Qd3 Rd8 12.Rad1 Nb6 13.Ne4 Be6 14.Ned2=; 11.Rb1 Rd8 12.Qb3 b6 13.Rfc1 Rb8 14.Nd5=) 11...b6 12.Rad1 cd4 13.ed4 Bb7 14.Rfe1=; A2) 10...b6 11.Qb3 (11.Qd3 Qc7 12.Rad1 Rd8 13.Rfe1 cd4 14.ed4=; 11.Rb1 Qc7 12.dc5 Nc5 13.Nd5 Nd5 14.cd5=) 11...Qc7 12.Rfd1 cd4 13.ed4 Bb7 14.Qb4=; A3) 10...Re8 11.Qd3 (11.Qb3 cd4 12.ed4 b6 13.Rfd1 Bb7 14.Rac1=; 11.Rb1 b6 12.Nd5 Rb8 13.a3 h6 14.Nf6=) 11...b6 12.Rfd1 cd4 13.ed4 Bb7 14.Rab1=; B) 10.Qb3 B1) 10...Qc7 11.Nbd2 (11.Re1 b6 12.Nc3 Rd8 13.Rad1 cd4 14.ed4=; 11.Nc3 Rd8 12.Rfe1 b6 13.Rad1 cd4 14.ed4=) 11...Rd8 12.Rfd1 b6 13.Rab1 cd4 14.ed4=; B2) 10...b6 11.Nc3 (11.Re1 Qc7 12.Nc3 cd4 13.ed4 Bb7 14.Rad1=; 11.Nbd2 Qc7 12.Rad1 Rd8 13.Rfe1 cd4 14.ed4=) 11...Qc7 12.Rac1 Rd8 13.Nd5 Qd6 14.Nf6+=; B3) 10...cd4 11.ed4 b6 12.Qe3 Bb7 13.Re1 e6 14.Nbd2=; C) 10.Qd3 C1) 10...cd4 11.ed4 Rb8 12.Nc3 Nb6 13.Qe3 Bg4 14.Rad1+=; C2) 10...Qc7 11.Re1 (11.Nc3 Nb6 12.Rad1 cd4 13.Nd4 e5 14.Nf3=; 11.Rd1 Rd8 12.dc5 Re8 13.c6 Qc6 14.Nc3=) 11...Nb6 12.Nbd2 Na4 13.Ba3 b6 14.Qb3+=; C3) 10...b6 11.Nc3 (11.Rd1 Qc7 12.Nc3 Rd8 13.Rab1 cd4 14.ed4=; 11.Nbd2 Qc7 12.Rfe1 Rd8 13.Rad1 cd4 14.ed4=) 11...Qc7 12.Rad1 Rd8 13.Rfe1 h6 14.e4+=.

7.Be2 Nc6

8.a3 Re8 9.d5 Nb8 (9...Ne5 10.Ne5 de5 11.Nc3=) 10.0-0+= e5 11.Nc3 (11.h3 Nbd7+=) 11...e4 (11...Nbd7 12.h3+=) 12.Nd4 Nbd7 13.h3 Ne5 14.Qc2 Bd7 (14...c5 15.dc6 bc6 16.Rfd1+=) 15.Rfd1 (worse is 15.Ne4 Ne4 16.Qe4 Nc4–/+) 15...h5 (15...Rb8 16.c5+= (worse is 16.Ne4 Ne4 17.Qe4 Nc4–/+)) 16.c5 (worse is 16.Ne4 Ne4 17.Qe4 Nc4–/+) 16...dc5 (16...a5 17.Rdb1+=) 17.bc5+/- Bc8 18.Rab1 Nd5 19.Ne4 Qe7 20.Nf3 Nf3 (20...Nf6 21.Nf6 Bf6 22.Nd4+/-) 21.Bf3 (21.gf3?! c6 22.Bg7 Kg7+=) 21...Nf6?? (better is 21...Rd8+/-) 22.Qc3+– Bf5 23.Nf6 Bf6 (23...Qf6 24.Qf6 Bf6 25.Bf6 Bb1 26.Rb1+–) 24.Qf6 Qf6 25.Bf6 Bb1 26.Rb1 Rab8 27.Bb7 c6 (27...Re6 28.Bc3 Rc6+–) 28.Rb6 Re6 (28...Kf8 29.Bc6 Red8 30.Bd8 Rd8 31.Ra6+–) 29.Ba6 Ra8 30.Bd4 Kf8 31.Bc4 Re7 (31...Ree8 32.Rc6 Ra4 33.Bd5 Ra3 34.Rb6+–) 32.Rc6 Rea7 (32...Ra3 33.Rc8 Re8 34.Bg7 Kg7 35.Re8+–) 33.Rf6 Rc7 (33...Rc8 34.c6 Rac7 35.Bd5+–) 34.Be5 Rca7 35.Rb6 Ra3 (35...Ke8 36.c6 Ra5 37.Bb5+–) 36.Rb7 R3a7 (36...R3a5 37.Bf7 R5a6 38.Bd6 Rd6 39.cd6+–) 37.c6 f6 (37...Rb7 38.cb7 Rd8+–) 38.Bd6 Ke8 39.Bf7 Kd8 40.Be7 Kc8 41.Be6 1–0. Janek – Bonubo, internet free game, 2017.

8.d5 Nb8 9.0-0+=.

7.Be2 Bf5

8.0-0 c5 9.bc5 dc5 10.Qb3 Qc7 11.Rd1 Rd8 12.Nbd2=.

8.0-0 c5 (8...d5 9.Nc3 dc4 10.Bc4 Qd6 11.a3 Nbd7 12.Re1+=.

8.Nc3 Nc6 9.a3 e5 10.d5 Ne7 11.Nh4 c6 (11...Bd7 12.e4=) 12.Nf5+= Nf5 13.dc6 bc6 14.e4 (14.0-0 e4+=) 14...Nd4 15.Bd3 Nh5 16.0-0 Nf4 17.g3 (17.Bc1 Qf6=) 17...Nh3 (better is 17...Nd3!? 18.Qd3 f5=) 18.Kg2+= Qd7 19.Ne2 Ng5 (19...Ne2!? 20.Qe2 Ng5+=) 20.Nd4+/- Qh3 21.Kh1 ed4 22.f4 Ne6 23.Qf3 (23.f5 Nc7 24.f6 Bh6 25.Bd4 Rfb8+–) 23...Rab8 (better is 23...c5+=) 24.g4 (24.f5 Nc5 25.f6+=) 24...Qh4 (24...Nf4!? 25.Qh3 Nh3+=) 25.Bc1 Rfe8 26.Bd2 c5 27.Be1 Qe7 28.bc5 (better is 28.g5!?+=) 28...Nc5+= 29.Rd1 (29.Bb4 Nd3 30.Qd3 Qe4 31.Qe4 Re4 32.Bd6 Rd8+=) 29...Nd3–/+ 30.Qd3 (30.Rd3 Qe4 31.Qe4 Re4–/+) 30...Qe4–+ 31.Qe4 Re4 32.Bb4 a5 (better is 32...Rc8!?–+) 33.Bd6+= Rb2 (33...Rc8 34.Rfe1 Re1 35.Re1+=) 34.Rf3 (34.Rb1!? d3 35.Rb2 Bb2 36.Rd1=) 34...Ree2+= 35.f5 (35.h3 f5+=) 35...Be5 (35...Bf8!? 36.Bc7 a4–/+) 36.Be5= Re5 37.fg6 hg6 38.h4 (38.Rfd3 Ree2 39.h3 Kg7+=) 38...Rc2 39.Rfd3 Re3 40.R3d2 (40.Rd4 Ra3 41.R1d2 Rc1 42.Rd1 Rd1 43.Rd1 Rc3 44.Rd8 Kg7–/+) 40...Rc4–/+ 41.Rd4 Rd4 42.Rd4 Ra3 43.Kg2 Kg7 44.g5 a4 45.Kf1 (45.Kf2 Ra1–/+) 45...Kf8 (45...Ra2!?–+) 46.Ke2–/+ Ke7 47.Kd2 Ke6 48.Kc2 Ke5 49.Rb4 (49.Rc4!?+=) 49...Kf5–/+ 50.Kb2?? (better is 50.Rc4–/+) 50...Rb3!–+ (50...Rb3 51.Rb3 ab3 52.Kb3 Kg4–+) 0–1. takeahit (1770) – allanchessw (1675), gameknot.com, 2017.

7.Be2 Bg4

8.0-0 c5 9.dc5 dc5 10.bc5=.

8.0-0 Nbd7 9.Nbd2 (9.Qb3 e5 10.h3 Bf3 11.Bf3 e4+=) 9...Rb8 (9...c5 10.bc5 dc5 11.Qb3=) 10.a4 (10.e4 c5+=) 10...c5= 11.b5 ab5 (11...Rc8 12.d5=) 12.ab5+= b6 (12...cd4 13.ed4 Qc7 14.h3 Bf3 15.Nf3+= (< 15.gf3 d5=+)) 13.Qb3 (13.h3 Be6+/-) 13...Bf3 (13...cd4 14.ed4 Rc8 15.Ra7+=) 14.Bf3+/- (14.gf3?! cd4 15.ed4 Rc8=) 14...cd4 15.ed4 e5 (15...Qc7 16.Qe3+/-) 16.Bc6 (16.Ra7 Rc8+–) 16...ed4 17.Bd4 Nc5 (17...Ne5 18.Ra7+/-) 18.Qf3 (better is 18.Qh3+/-) 18...Qc7?? (better is 18...Nfe4 19.Ne4 Bd4+/-) 19.Bf6+– Bf6 20.Qf6 Rbe8 (20...Qd8 21.Qd4+–) 21.Nf3 (better is 21.Be8 Re8 22.Rfe1 Ne6+–) 21...Re6 22.Qh4 Re4 (22...Qe7+–) 23.Be4 Ne4 24.Qe4 f5 (24...Rc8 25.Nd2+–) 25.Qe6 (25.Qd5 Kg7+–) 25...Rf7 (25...Kg7 26.Rfd1 Rf6 27.Qd5+–) 26.Ng5 Kg7 27.Qf7 Qf7 28.Nf7 Kf7 29.Rfe1 (29...Kf6 30.Ra6+–) 1–0. toll (1620) – NACEX, ICC, 2003.

6.d4 b6

7.a3 Bb7 8.Be2 Nbd7 9.Nbd2 e5 10.de5 Ne5 11.Ne5 de5 12.Be5 Bg2 13.Rg1 Bb7 14.Bf3 Bf3 15.Qf3 Nd7 16.Bg7 Kg7 17.Rd1 Ne5 18.Qf4?? (better is 18.Qd5 Re8 19.Qd8 Rad8 20.Ke2=) 18...Nd3–+ 19.Ke2 Nf4 20.ef4 Re8 21.Kf3 Qd3 22.Kg2 Re2 23.Nf3 Qc4 24.Ne5 (24.Nd4 Ra2–+) 24…Qf4 (24...Qf4 25.Nd3 Qe4 26.Kg3 h5–+) 0–1. Fournier,Frederic – KingDragon, ICC, 2005. (=1.b4 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...g6 2.Bb2 Nf6 3.e3 Bg7 4.Nf3 0-0 5.d4 d6 6.c4 b6)

7.a4 Bb7 8.b5 e6 9.Bd3 Nbd7 10.Nbd2 Re8 11.0-0 a5 12.Qb3 c5 13.d5 ed5 14.cd5 Bd5 15.Bc4 Bc4 16.Qc4 d5 17.Qb3 c4 18.Qc2 Nc5 19.Bd4 Rc8 20.Ne5 Qd6 21.Nc6 Rc6 22.bc6 Qc6 23.Rab1 Nfd7 24.Bg7 Kg7 25.Ra1 Nd3 26.Nf3 N7c5 27.Rfd1 f6 28.Nd4 Qd6 29.Rab1 Nb4 30.Qe2 Na4 31.Qg4 Nc3 32.Nf5 Kf8 33.Nd6 Re6 34.Qe6 1–0. blackiwhite (1700) – puskas (1850), kurnik, 2012. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.d4 0-0 5.e3 d6 6.Nf3 b6)

7.Qb3 e6 8.Be2 Bb7 9.Nbd2 d5 10.c5 Nc6 11.0-0 Re8 12.b5 Na5 13.Qa4 (13.Qd3 a6 14.c6 Bc8+/-) 13...c6 14.Ne5 bc5 (14...a6 15.bc6 b5 16.Qc2 Nc6 17.a4+=) 15.bc6 (better is 15.Bc3!? Nc4 16.bc6+–) 15...Nc6+= 16.Nc6 Qb6 17.Bb5 a6 18.dc5 Qb5 (18...ab5? 19.Ne7 (19.cb6?! Ra4 20.Rfc1 Ra6+=) 19...Kf8 A) 20.cb6? Ra4 (20...ba4?! 21.Ba3 Re7 22.Rfc1–/+) 21.Ng6 hg6–+; B) 20.Qa8+–) 19.Qb5 ab5 20.Nb4 Rec8 21.Rfc1 Ne4 22.Bg7 Nd2 23.Bd4 Nc4 24.f4 Bc6 25.Kf2 Nd2 26.Ke1 Ne4 27.Rc2 f6 28.Rd1 Ra7 29.Nc6 Rc6 30.Rb1 ½–½. Choma,Alexandre Pedro – Costa,Berto, Florianopolis op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 b6)

7.b5 a5 8.Be2 Bb7 9.0-0 Nbd7 10.Nc3 Re8 11.Qc2 e5 12.Rad1 ed4 13.Nd4 Nc5 14.Nc6 Bc6 15.bc6 Nfe4 16.Nd5 Nf6 (16...Bb2 17.Qb2 Re6 18.Rd4+=) 17.Nc3 (17.Bf6 Bf6 18.f4 a4+=) 17...Nfe4= 18.Nd5 Nf6 19.Nf4 h5 (better is 19...Nfe4=) 20.Ng6?? (better is 20.Bd4+=) 20...fg6–/+ 21.Qg6 Qe7 22.Bf3 Qf7 23.Qf7 Kf7 24.Bf6 Kf6 (worse is 24...Bf6 25.Bh5 Kg7 26.Be8 Re8 27.Rd2=) 25.Bh5 Re4 26.Be2 Rae8 (26...Na4 27.Rd2–/+) 27.Rd5 R4e5 28.h4 (28.Rfd1!?–/+) 28...Rd5–+ 29.cd5 Re4 30.g4? (better is 30.Rc1!? Rh4 31.f4–+) 30...Ra4 31.f4 White prepares the advance g5 31...Ra2 32.Bd1 (32.Rf2 Ra3 33.Rf3 Ra1 34.Rf1 Rf1 35.Bf1 a4 36.g5 Kf7–+) 32...Ne4 33.h5 Ra3 (better is 33...a4!? 34.h6 Bh6 35.g5 Bg5 36.fg5 Kg5 37.Rf4–+) 34.g5 Kf7 35.h6 Bh6 (better is 35...Bh8!?–+) 36.gh6+= Re3 37.Kg2 (37.Bc2 Nf6+=) 37...Rg3 38.Kh2 Rg6?? (better is 38...Rg8 39.Rh1 Nf6+=) 39.Bh5+– Nf6 40.h7 Nh7 41.Rg1 Nf8 (41...Nf6 42.Bg6 Kf8+–) 42.f5 Kf6 (42...a4+–) 43.fg6 (43.fg6 Kg7 44.Re1 Ng6 45.Bg6 Kg6 46.Re7+–; 43.Rg6 Ng6 44.fg6 a4+/-) 1–0. DEFFM – GuestCLTF, freechess.org, 2018.

7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Bb7 11.Be2 Nbd7 12.Nbd2 Qa8 13.0-0 e6 14.Qc2 Ne4 15.Bb2 Nd2 16.Qd2 h6 17.Ra1 Qb8 18.Ne1 Nf6 19.f3 g5 20.e4 Nh5 21.d5 Bb2 22.Qb2 ed5 23.ed5 Re8 24.g3 Bc8 25.f4 g4 26.Nd3 f5 27.Nb4 Bd7 28.Kf2 Kf7 29.Bd3 Nf6 30.Re1 Re1 31.Ke1 Qe8 32.Qe2 Qe2 33.Ke2 Kg6 34.Na6 Ne8 35.Nb8 Bc8 36.Nc6 Kf6 37.Ke3 h5 ½–½. Kleinke – Moews, Schwerin 1979.

7.b5 c5 8.Be2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Ne4 12.0-0 Nd7 13.Qc2 Ndf6 14.Nbd2 Nd2 15.Nd2 Bf5 16.Bd3 Bd3 17.Qd3 Qd7 18.h3 Ra8 19.Bb2 Qb7 20.d5 Ra2 21.Qb3 Qa7 22.Rd1 Nd7 23.Bg7 Kg7 24.Nf3 Kg8 25.Rb1 Nf6 26.Rb2 Ra1 27.Kh2 Ne4 28.Qd3 f5 29.h4 Qa3 30.Qa3 Ra3 31.Rc2 Ra4 32.Ne1 Kg7 33.f3 Nf6 34.g3 h5 35.Nd3 Ra5 36.Nf4 Kf7 37.Ne6 Ra3 38.Nd8 Ke8 39.Ne6 Re3 40.Kg2 Ra3 41.Kf2 1–0. mihai740609 – kotoucek1, kurnik, 2012.

7.b5 Nbd7 8.d5 Nc5 9.Nbd2 e6. Wegner – Fritzsche,D, corr, 1974. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Bb2 b6)

7.b5 e6 8.Be2 Bb7 9.0-0 c5 10.a4 Nbd7 11.Qc2 d5 12.Nbd2 Rc8 13.Rad1 cd4 14.ed4 dc4 15.Nc4 Bd5 16.Nfd2 Ne4 17.Rc1 Nd2 18.Qd2 Bc4 19.Rc4 Qg5 20.Qg5 f6 21.Qd2 e5 22.de5 Ne5 23.Be5 fe5 24.Rc8 Rc8 25.Bc4 Rc4 26.Qd5 Kh8 27.Qc4 1–0. popovicigelu – matosicos, kurnik, 2012.

7.Nc3 e6 8.Be2 Bb7 9.0-0 c5 10.dc5 dc5 11.b5 Qd1 12.Rad1 Nbd7 13.Rd2 e5 14.Rfd1 e4 15.Ng5 h6 16.Rd7 Nd7 17.Rd7 Bc8 18.Rf7 Rf7 19.Nf7 Kf7 20.Nd1 Bb2 21.Nb2 Be6 22.Kf1 a6 23.a4 ab5 24.cb5 Bb3 25.Bc4 Bc4 26.Nc4 Ra4 27.Nb6 Rb4 28.Nc8 Ke6 29.Na7 Kd5 30.Ke2 Rb2 31.Ke1 c4 32.f3 c3 33.fe4 Ke4 34.Kd1 Ke3 35.Kc1 Kd4 36.Nc6 Kc5 37.Ne7 g5 38.g3 Kb5 39.h4 gh4 40.gh4 Rh2 41.Nf5 h5 42.Kd1 Kc4 43.Kc1 Kd3 44.Ng3 Rh4 0–1. barborski – knight1 (1805), kurnik, 2012.

7.Nbd2 Bb7 8.Be2 Nbd7 9.0-0 Re8 10.a4 e5 11.a5 ed4= 12.Nd4 Qe7 (12...ba5 13.b5=) 13.Bf3 (13.a6 Be4+/-) 13...Bf3+= 14.N2f3 Ne5 (14...c5 15.Nb5 Red8 16.Qa4=) 15.Ne5+= de5 16.Nc6 Qe6 17.Ne5 Ne4 18.f4 (18.Nd3 ba5 19.Bg7 Kg7 20.Ra5 Qc4+=) 18...Be5 19.Be5 Qc4 20.Rc1 (20.Qd4 Qd4 21.ed4 c5 22.bc5 bc5 23.dc5 Rac8+=) 20...Qb4= 21.Rc7 Qa5 (21...Nd2 22.Re1=) 22.Qb3 (22.Qd4 Ng5 23.fg5 Re5 24.Rcf7 Qd5+/-) 22...Re6 23.Qd5?? (better 23.Qd3 Nf6 24.Bf6 Rf6 25.Qe4=) 23...Qd5-+ 24.Bd4 Nc5 25.g4 Rc6 (25...Qd6 26.Bc5 bc5 27.Rb7-+) 26.Re7 Ne6 27.Be5 Qe4 (27...Rc2 28.Re8 Re8 29.Rf2 Qd1 30.Kg2 Qg4 31.Kh1 Rc1 32.Rf1 Rf1) 28.Rf3 Qf3 (28...Qf3 29.Rc7 Nc7 30.Bc3 Rc3 31.h4 Rc1 32.Kh2 Rh1) 0-1. zembelek (2050) - bogerner (2025), Rated Blitz game, lichess.org, 2014.

7.Nbd2 e6 8.Be2 Bb7 9.0-0 c5 10.dc5 dc5 11.b5 Nbd7 12.Qc2 Qe7 13.Rad1 Rad8 14.Rfe1 e5 15.h3 e4 16.Nh2 Ne5 17.Be5 Qe5 18.Nhf1 Rd7 19.Ng3 Rfd8 20.Nde4 Ne4 21.Rd7 Rd7 22.Ne4 Qe4 23.Qe4 Be4 0–1. barborski – knight1 (1795), kurnik, 2012.

7.Nbd2 Bg4 8.Be2 c5 9.dc5 dc5 10.b5 Nbd7 11.Qc2 Bf5 12.Bd3 Bd3 13.Qd3 Ng4 14.Bg7 Kg7 15.0-0 Ndf6 16.Qc3 Qc7 17.h3 Nh6 18.g4 g5 19.Ng5 e5 20.Ngf3 Nd7 21.Ne4 f6 22.Rad1 Rfd8 23.Rd2 Nf8 24.Rfd1 Ne6 25.Nf6 Rd2 26.Rd2 Kf6 27.Rd5 Nf7 28.Qd3 Rd8 29.Qh7 Rd5 30.cd5 Nfg5 31.Qf5 Ke7 32.Ng5 Ng5 33.Qg5 Kd6 34.e4 Qh7 35.Qf6 Kc7 36.Qe5 Kd7 37.Qe6 Kd8 38.g5 Qg7 39.h4 Qa1 40.Kg2 Qa2 41.g6 1–0. barborski – edi47, kurnik, 2012.

7.Bd3 c5 8.b5 a5 9.0-0 Bb7 10.Nbd2 Nbd7 11.d5 e6 12.e4 e5 13.h3 Nh5 14.g3 Qe7 15.Nh2 Rae8 16.Qc2 Bc8 17.Kg2 Bh6 18.Rae1 Qg5 19.Bc1 Nf4 20.Kh1 Nh3?? (better is 20...Nd3 21.Qd3 Bg7=) 21.Ndf3+– Qh5 22.Nh4 Bc1–/+ 23.Qc1 Nf6 24.Kg2 Nf4!–+ 25.gf4 Qh4 26.fe5 Bh3 27.Kg1 Re5 28.f4 Rh5 29.Rf2 Qg3 30.Kh1 Qd3 31.e5 Ng4 32.Rf3 Qf5 33.Rg3 Nh2 34.Kh2 de5 35.Re5 Bg4 36.Kg2 Qf6 37.Rh5?? Bh5 38.Qe3 Qb2 39.Kh3 Qa2 40.f5 Qb1 41.fg6 Bg6 42.Qe5 Qc2 43.d6 Rd8 44.d7 Qd2 45.Qe8–/+ Kg7 46.Qd8= Qd4?? 47.Qg5 1–0. carocan (1845) – jacekmpl (1755), kurnik, 2011.

7.Be2 a5 8.b5 Nbd7 9.a4 e5 10.Nbd2 ed4 11.ed4 Ne8 12.0-0 Nc5 13.Qc2 Ne6 14.d5 Bb2 15.Qb2 Nf4 16.Rfe1 Ne2 17.Re2 Qf6 18.Qf6 Nf6 19.Rae1 Bg4 20.h3 Bf3 21.Nf3 Rae8 22.Nd4 Re2 23.Re2 Kg7 24.Nc6 Re8 25.Re8 Ne8 26.f4 f5 27.Kf2 Nf6 28.Nd4 Ne4 29.Ke3 h5 30.Ne6 Kf6 31.Nc7 Nc3 32.Na8 Na4 33.g3 g5 34.Nc7 Nb2 35.Kd4 gf4 36.gf4 Nd1 37.Ne8 Ke7 38.Ng7 Nf2?? 39.Nf5 Kd7 40.h4 Nh3 41.Ke3 a4 42.Nd4 a3 43.f5 a2 44.Nb3 Ke7 45.Kf3 Kf6 46.Kg3 Ng1 47.Kf4 Ne2–/+ 48.Ke3 Nc3 49.Kd3 Na4 50.Kc2 Nc5 51.Na1 Kf5 52.Kb2 Kg4 53.Ka2 Kh4 54.Nc2 Kg3 55.Ne3 h4 56.Nf5 Kg4 57.Nh4 Kh4 58.Kb2 Kg4 59.Kc3 Kf4 60.Kd4 Nb3 61.Kc3 Na5 62.Kd4 Kf5 63.Kc3 Ke4 64.Kb4 Kd4 0–1. ourang – chequemate26, kurnik, 2012.

7.Be2 Ba6 8.0-0 c5 9.b5 Bb7 10.d5 Nbd7 11.Nbd2 a6 12.a4 ab5 13.ab5 Re8 14.Qc2 e6 15.de6 fe6 16.Ng5 (16.Ra8 Qa8 17.Ra1 Qb8+/-) 16...e5 (16...Qe7 17.Rfd1+=) 17.Nge4 Ne4 18.Ne4 Nf6 19.Nf6 Bf6 20.Bd3 (20.Ra8 Qa8 21.Ra1 Qd8+=) 20...Qe7 (20...e4!? 21.Be2 Qe7=) 21.Be4+/- Be4 22.Qe4 Rab8 23.Ra6 Qc7 24.Rfa1 Rb7 25.h4 Bg7 26.h5 Qf7 27.hg6 Qg6?? (better is 27...hg6 28.Ra8 Rf8 29.Rf8 Bf8+/-) 28.Qb7 Qc2 (28...Rf8 29.Qd5 Qf7+–) 29.Qd5 Kh8 30.Ra8 Qg6 31.Re8 Qe8 32.Ra8 (32.Ra8 h6 33.Re8 Bf8 34.Qf7 d5 35.Rf8#) 1–0. ferminkatcho (1850) – ayann (1705), kurnik, 2012.

7.Qb3 c5

8.a3 Nbd7 9.Be2 Bb7 10.0-0 Rc8 11.Nc3 cd4 12.Nd4 Ne5 13.Rac1 d5 14.cd5 Nd5 15.Nd5 Qd5 16.Qd5 Bd5 17.Nb5 (17.Ba6 Rc1 18.Rc1 e6+=) 17...Nc6 18.Bg7 Kg7 19.Bg4 e6 (19...f5 20.Be2=) 20.Rfd1 Rfd8 (20...f5 21.Bf3 Bf3 22.gf3+=) 21.f3 (better is 21.e4!? Be4 22.Nd6 Rd6 23.Rd6+/-) 21...f5= 22.Bh3 a6 23.Nc3 Bc4 (23...Ne5 24.Na4 Rc1 25.Rc1+=) 24.Rd8= Rd8 25.Na4 b5 26.Nb2 Bd5 ½–½. Lange,Anika (1635) – Schaefer,Ann_Kathrin (1620), Oberhof GER, Ch U16, 2011. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Bb2 b6)

8.Bd3 cb4 9.Qb4 Bb7 10.Nbd2 Nbd7 11.0-0 Re8 12.Bc2 Rb8 13.Rfd1 d5 14.Ba4 dc4 15.Qc4 (15.Nc4? b5 16.Bb5 Bf3 17.gf3 a6–+) 15...a6 16.Bb3 Rf8 17.a4 Qc8 18.Qe2 Bd5 19.e4 Bb3 20.Nb3 Qb7 21.d5 Rbc8 22.Rab1 Rc7 23.Bd4 Qa8 24.Nbd2 Rb7 25.h3 Ne8 26.Nc4 Bd4 27.Nd4 Nd6 28.Nc6 Re8 (28...Nc8!?+/-) 29.Ne7!+– Re7 30.Nd6 Rc7 31.Nc4 Rb7 32.f3 Qa7 33.Kh1 Qb8 34.Qe3 Nc5 35.a5 ba5 36.Rb7 (36.Qc5 Rb1 37.Rb1 Qb1 38.Kh2 Qb8 39.d6 Rd7=) 36...Nb7 37.Qb6 Qa8 (37...Qe8+–) 38.d6 Rd7 39.Qc6 (39.Na5?! Na5 40.Qa5 Qc6+–) 39...Qd8 (39...Rd8 40.Rb1 Nd6 41.Qa8 Ra8 42.Nd6+–) 40.e5 (40.Qa6?! Qc8+–) 1–0. Shensnovich,Vladimir (2195) – Kobzev,Dmitri, RUS Central Region–ch, 2004. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.e3 b6 6.d4 d6)

7.b5 Bb7

8.Nc3 c5 9.d5 Bc8 10.Bd3 Ng4 11.h3 Ne5 12.Ne5 de5 13.0-0 f5 14.e4 f4 15.Be2 Bf6 16.Bg4 Bb7 17.Be6 Kh8 18.Qg4 a5 19.Na4 Kg7 20.h4 h5 21.Qh3 Qd6 22.g3 Rh8 23.Rae1 Rh6? 24.gf4 Kh7 25.fe5 Be5 26.Be5 Qe5 27.Nb6 Ra7 28.Qe3 Qd4 29.Qf3 Qe5 30.Qf8 Qg7 31.Qb8 Bd5 32.ed5 (32.ed5 g5 33.Bf5 Rg6 34.Re6+–) 1–0. Groznov,Vladmir – Bester,Kazimierz, ZN–2010-0-00916, 2010.

8.Be2 Nbd7 9.0-0 d5 10.Nbd2 c5 11.bc6 Bc6 12.a4 dc4 13.Bc4 Ne8 14.Qb1 Nd6 15.Bd3 Rc8 16.e4 Ba8 17.Re1 Nb7 18.Nb3 Rc7 19.Ra3 Qc8 20.h3 Rd8 21.Bc1 Nd6 22.Bg5 Re8 23.Nbd2 e5 24.d5 h6 25.Bh4 Nc5 26.Bc2 f5 27.ef5 gf5–/+ 28.Rae3 e4–+ 29.Bg3 Qd8 30.Nh4 Rf7 31.Ng6 Bd5 32.Rd1 Rd7 33.Nb3 Bf7 34.Bh4 Qc7 35.Rg3? Kh7 36.Nf4 Nc4 37.Rd7 Qd7 38.Nc5 bc5 39.Rg7 Kg7 0–1. Manouck,Thierry (2345) – Roos,Daniel (2385), FRA–ch, 1984. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 b6 7.b5)

7.Nc3 c5

8.a3 Nc6 9.b5 Na5 10.Be2 (10.d5 a6=) 10...cd4+= 11.Nd4 Bb7 12.0-0 Qc7 13.Rc1 Nc4 14.Bc4 (14.Nb1!? d5 15.Nd2+=) 14...Qc4+= 15.e4 e5?? (better is 15...Ne4 16.Ne4 Qa2+=) 16.Na4+/- Qa2? (better is 16...Qc1!? 17.Bc1 ed4+/-) 17.Nb3+– Ne4 18.Ra1 Qa1 19.Ba1 d5 20.Nc3 Nc3 21.Bc3 d4 22.Bb4 Rfd8 23.h4 (23.Re1 e4+–) 23...e4 24.Re1 Rac8 25.h5 f5 26.hg6 hg6 27.Qd2 Bd5 28.Nd4 Be6 (better is 28...Bf7!? 29.Bc3 Bd4 30.Bd4 Rc4+/-) 29.Qg5+– Rd4 30.Qg6 Bd7 (30...Bd5 31.Qf5 Rc7 32.f3+–) 31.Be7 (31.Be7 Rf8 32.Bf8 Kf8 33.f3+–) 1–0. Kovacevic,Vlatko (2490) – Tukmakov,Vladimir B (2555), Solin 7th, 1999. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.c4 d6 6.Bb2 b6)

8.a3 Nc6 9.d5 Ne5 10.Ne5 de5 11.Bd3 cb4 12.ab4 e6 13.Qb3 ed5 14.cd5 Re8 15.0-0 Bb7 Can d5 get defended? 16.Bb5 Re7 17.Bc6 Bc6 18.dc6 Rc7 19.Rfd1 Qe7 20.b5 a6 21.Ra6 Ra6 22.ba6 Rc6 23.Qb5 Rc8 24.Qb6 Ra8 25.Nb5 Nd7? (better is 25...Ne8+–) 26.Qb7 Rb8 27.Qb8!! Nb8 28.a7 (28.a7 Nd7 29.a8Q Nf8 30.Ba3+–) 1–0. Gofman,Albert – Metz,Patrick, SN–2009–0-00163, 2009. (=1.d4 d6 2.Nf3 Nf6 3.e3 g6 4.c4 Bg7 5.b4 0-0 6.Bb2 b6)

8.b5 Bb7 9.Be2 Nbd7 10.0-0 cd4 11.ed4 d5 12.Ne5 Rc8 13.Bf3 Ne5 14.de5 Nd7 15.Bd5 (worse is 15.cd5 Ne5 (worse is 15...Be5 16.Rc1=) 16.Rc1 e6–/+; 15.Nd5?! Ne5 16.Be5 Be5=) 15...Bd5 16.Nd5 (worse is 16.Qd5 e6 (worse is 16...Be5 17.Rad1+=) 17.Qe4 Ne5+=) 16...Rc4 17.Qe2 Ra4 (17...Rc5!? 18.Rad1 Ne5 19.Nf6 ef6 20.Rd8 Rd8+=) 18.Rfd1+/- Qe8 19.e6 Nc5 20.Bg7 Kg7 21.ef7 Qf7 22.Ne7 Ne4 23.Nc6 Qf2 24.Qf2 Rf2 25.Re1 Rb2 26.Na7 Ng5 (worse is 26...Rba2 27.Ra2 Ra2 28.Re4 Ra1 29.Kf2 Ra7 30.Re6 Rf7 31.Ke3+=) 27.Re7 Kh6 28.h3 Rc4 (worse is 28...Raa2 29.Ra2 Ra2 30.Nc8 Ra1 31.Kh2+/-; worse is 28...Rba2 29.Ra2 Ra2 30.Nc8 Ra1 31.Kh2+/-) 29.h4 (better is 29.Kh1=) 29...Rh4–/+ 30.Rae1 Ra4 31.R1e3 Raa2 32.Rg3 Kh5 33.Re5 h6 (33...Ra7?! 34.Rgg5 Kh4 35.Rd5–/+) 34.Nc8 Kh4 35.Kh2 (35.Ree3 Ra1 36.Kh2–+) 35...Rg2!! 36.Rg2 (36.Rg2 Nf3 Mate attack) 36...Nf3 37.Kh1 Ra1 (37...Ra1 38.Re1 Re1 39.Rg1 Rg1) 0–1. Matveenko,Y (2125) – Tukhvatullin,V (2260), 13th FIDE Open, Voronezh RUS, 2009.

7.Nbd2 c5

8.a3 a5 9.Be2 ab4 10.ab4 Ra1 11.Qa1 Nc6 12.b5 Nb4 13.0-0 Bb7 14.Bc3 Qa8 15.Bb4 cb4 16.Qb2 Qa3 17.Rb1 Ra8 18.Qb4 Ne4 19.Qa3 Ra3 20.Ne4 Be4 21.Rd1 e5 (better is 21...Ra2!? 22.Kf1 h6+/-) 22.de5+– Bf3 23.gf3 Be5 24.f4 Bc3 25.Rd6 Ra2 26.Kf1 Ba5 27.c5! bc5 28.Ra6 Ra1 29.Kg2 Re1 30.Bf3 (30.Ra5?! Re2 31.Ra8 Kg7+/-) 1–0. Kushch,Nikolai (2360) – Kutsij,A, UKR–ch Donetsk, 1993. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 b6)

8.a3 Nfd7 9.d5?? (better is 9.Bd3 Bb7 10.Qb3+=) 9…Bb2–+ 0–1. ourang – brini04, kurnik, 2012.

7.Bd3 Bb7

8.0-0 c5 9.a3 a5 10.bc5 dc5 11.Qe2 e6 12.Rd1 Qc8 13.Nbd2 Nc6 (13...cd4 14.ed4 Nbd7 15.Ne5+=) 14.dc5 bc5 15.Rab1 Rb8 16.Nb3 Nd7 17.Bg7 Kg7 18.Be4 a4 19.Rd7 ab3 20.Qd3 Na5 (20...Ba8!? 21.Qd6 Na5+/-) 21.Bb7+– Rb7 22.Rb7 (22...Nb7 23.e4+–) 1–0. marekt – Rain, ChessWorld.net, 2003.

8.0-0 e6 9.Nbd2 c5 10.a3 cd4 11.ed4 Nbd7 12.Rc1 Rc8 13.Qe2 Qc7 14.Ne4 Ne4 15.Be4 Be4 16.Qe4 Nf6 17.Qh4 Rfe8 18.g4 (18.Rfe1 Qb7+=) 18...Qb7= 19.d5 (19.Nd2 d5=) 19...e5 (19...Nd5 20.cd5 Bb2 21.Rc8 Rc8 22.Ng5-+) 20.Ng5 (better 20.Nd2!?=) 20...h6-/+ 21.Nh3 (21.Nf3 b5 22.Nd2 Qa6 23.cb5 Qb5-/+) 21...b5 (21...Ne4 22.f3 Nd2-+) 22.f4 White prepares g5 (22.g5!? hg5 23.Ng5 bc4 24.Ne4 Ne4 25.Qe4-/+) 22...Rc4 23.Rc4 bc4 24.fe5 Nd5 25.Qf2 (25.g5 Ne3 26.Rf2 Be5 27.Be5 Qd5-+ (27...de5?! 28.gh6 Qb6 29.h7 Kg7 30.h8Q Rh8 31.Qe7-+)) 25...de5 26.g5 (26.Qe2 Qc8-+) 26...h5 (26...Qd7 27.Qh4 Ne3 28.Re1 hg5 29.Ng5-+) 27.Qf3 (27.Rd1-+) 27...e4 Black plans c3 28.Qe2 c3 (better 28...Qb6!? 29.Kh1 Qe3 30.Qe3 Ne3 31.Re1 Bb2 32.Re3-+) 29.Bc1 Qb6 Black plans e3 30.Kh1 Qd4 31.Nf4 Nf4 32.Rf4 (32.Bf4 e3 33.Qf3 c2-+) 32...Qd3 33.Qf2 (33.Qg2-+) 33...e3 34.Be3 (34.Qf3 Be5 35.Qe3 A) 35...Bf4?! 36.Qd3 (36.Qe8?? Kg7 37.Qe1 Bc1 38.Qc1 Qd2-+) 36...Bc1 37.Qc3 Bg5 38.Kg2=; B) 35...Qe3 36.Be3 Bf4 37.Bf4 Re4-+) 34...Qe3 (34...Re3 35.Qf1 c2 36.Qd3 Rd3 37.Rc4 Bc3 38.Rg4 hg4 39.Kg2 c1Q 40.b5 Qc2 41.Kf1 Rd1) 35.Rf7 (35.Qe3 Re3 36.Rf2-+) 35...Qf2 (35...Qe4 36.Qf3 c2 37.Rf4 c1Q 38.Kg2 Qcf4 39.Qe4 Qe4 40.Kg3 Qd3 41.Kf2 Re2 42.Kg1 Qd1) 36.Rf2 0-1. Findus (1975) - call_me (2270), Rated Blitz game, lichess.org, 2014.

7.Be2 Bb7

8.0-0 Nbd7 9.Qb3 e6 10.Nc3 Qe7 11.Rfd1 Ne4 12.Ne4 Be4 13.Nd2 Bb7 14.Bf3 Bf3 15.Nf3 a5 16.a3 e5 17.Bc3 e4 18.Nd2 a4 19.Qc2 f5 20.b5 g5 21.Rab1 Nf6 22.Re1 Qf7 23.Rb4 d5 24.Ra4 Ra4 25.Qa4 f4 26.Qd1 fe3 27.fe3 dc4 28.Rf1 Qd5 29.Qa4 Ra8 30.Qc4 Qc4 31.Nc4 Ra4 32.Bb4 Nd5 33.Rb1 Kf7 34.Kf2 Ke6 35.Rb3 Nb4 36.Rb4 Rb4 37.ab4 Kd5 38.Ne5 Be5 39.de5 Ke5 40.Kg3 Kd5 41.Kg4 Kc4 42.Kg5 Kb5 43.Kf4 c5 44.bc5 bc5 45.Ke4 c4 46.Kf3 Kb4 47.Ke2 Kb3 48.e4 c3 49.e5 c2 50.e6 c1Q 0–1. Kaenel – Schmaltz, Wasserburg 1996.

8.0-0 Nbd7 9.Nbd2 e5 (9...c5 10.a3=) 10.Qc2 Ng4 11.h3 ed4 (better 11...Nh6!?+=) 12.hg4+- de3 13.fe3 Bb2 14.Qb2 Ne5 (better 14...Re8!?+-) 15.Ne5 de5 16.Nf3 f6 17.Rad1 Qe7 18.Qb3 (18.g5 Rae8 19.gf6 Rf6+-) 18...Kg7 19.a3 Be4 (19...a5 20.b5+-) 20.Bd3 (20.Qc3 Rae8+-) 20...Bc6 21.e4 Qe6 (21...a5 22.Rd2+-) 22.Rd2 (better 22.b5!? Bb7 23.g5 c5+-) 22...Qg4 23.Be2 (23.Qc2 a6+-) 23...Rad8 (23...Be4 24.Rfd1 Rf7 25.c5+/-) 24.Rfd1 (better 24.Rd8!? Rd8 25.Nd4+-) 24...Rd2+= 25.Rd2 Be4 26.Qe3 Bf3 27.Bf3 Qe6 (27...Qc4?? 28.Rd7 Rf7 29.Bd5 Rd7 30.Bc4+-) 28.Qe2 Re8 29.Qd3 (29.Bd5!? Qe7 30.Qd3+/-) 29...e4= 30.Qd7 Qd7 31.Rd7 Kh6 (better 31...Kf8!? 32.Bd1 Re7 33.Rd8 Re8=) 32.Be2+/- f5 (32...Rc8 33.c5 bc5 34.bc5+/-) 33.Kf2 (33.Rc7 a5 34.ba5 ba5 35.Kf2+-) 33...f4? Black prepares e3 (better 33...Rc8+/-) 34.Rc7+- e3? (34...a5+-) 35.Kf3 g5 (35...Kg5 36.Rh7 Kf6 37.Kf4+-) 36.Ra7 (36.Bd3!? Rh8+-) 36...Rd8 37.Rb7 Rd2 (37...Rd6 38.g3 fg3 39.Re7+- (39.Ke3?! Re6 40.Kf3 g2+-)) 38.Rb6 Kg7 39.c5 h6 (39...g4 40.Kg4 Re2 41.Kf4 Rg2 42.Re6+-) 40.c6 Rc2 41.c7! Rc7 42.Ke4?? (42.g3 fg3 43.Kg3 Ra7+-) 42...Re7? (42...Rc2 43.Rb7 Kg6 44.Kf3+/-) 43.Kf3 Ra7?? (43...Rc7 44.g3 fg3 45.Kg3 Ra7+-) 44.Kg4 (better 44.Ba6!? h5+-) 44...Ra3 45.Bf3 e2 (better 45...Ra1+/-) 46.Rb7?? (better 46.Re6 Rb3 47.Be2 Rb4 48.Re7 Kg6 49.Bd3 Kf6 50.Rh7+-) 46...Kf6 47.Rb6 Ke5 (47...Kg7 48.Re6 Rb3 49.Be2 Rb4 50.Re7 Kg6 51.Bd3 Kf6 52.Rh7+-) 48.Be2 (better 48.Rb8+-) 48...Rg3= 49.Kh5 Rg2 50.Kg6?? (50.Rb8 Kf6 51.Bc4 Rh2 52.Kg4 h5 53.Kf3 Rh3 54.Ke4 Re3 55.Kd4 g4+=) 50...Rh2 (better 50...Re2 51.Rb5 Kd4-+) 51.Rb7 f3? (better 51...Kd5 52.Bh5 Kc6+/-) 52.Re7?? (better 52.Bf3!? g4 53.Re7 Kd4 54.Bc6+- (54.Bg4?! Rg2+=)) 52...Kf4 (better 52...Kd6 53.Bf3 Ke7-+) 53.Bf3?? (better 53.Rf7 Ke3 54.Bf3+/-) 53...Kg3?? (better 53...Kf3 54.Rf7 Ke4-/+) 54.Rf7?? (54.Re2 Rh3 55.Bg2 Rh4+-) 54...g4? (better 54...Rb2 55.Kh6 Rb4 56.Kg5 Rb5 57.Kg6 Rb6 58.Kg7 Rb4+/-) 55.Bg4 Rf2?? (55...Kg4 56.b5 Passed pawn) 56.Rf5 (56.Rf2 Kf2 57.b5 Kg3+-) 56...Rf5?? (better 56...Rb2 57.b5 Kg4+=) 57.Bf5 h5 58.Kh6 (better 58.b5 Kf3+-) 58...h4 (58...Kf4 59.b5 Ke5 60.Kh5+-) 59.Kh5 (better 59.Kg5 h3 60.Be4+-) 59...Kf4 60.Bh3 Ke5 61.Kh4 Kd6 62.Kg4 Kc7 63.Kf3 Kb6 64.Ke3 (better 64.Bd7 Kc7 65.Ke4+-) 64...Kb5= 65.Kd3 Kb4 ½-½. peoncuatrorey (2095) - TheAvengers (2220), Rated Bullet game, lichess.org, 2015. (=1.Nf3 g6 2.c4 Bg7 3.d4 d6 4.b4 Nf6 5.Bb2 0-0 6.e3 b6)

8.a3 Nbd7 9.0-0 Ne4 10.Nc3 Ndf6 11.Nd2 c5 12.Nce4 Ne4 13.Ne4 Be4 14.f3 Bb7 15.Bd3 cb4 16.ab4 a5 17.ba5 ba5 18.Bc3 Bc6 19.Be4 d5 20.cd5 Bd5 21.Qa4 Be4 (21...f5!? 22.Bd3 Qd6+=) 22.fe4+– Qc8 23.Ba5 Qg4 24.Qc2 Rfc8 25.Qd3 Rc6 26.Qb3 e6? (better 26...Qe4 27.Qf7 Kh8+–) 27.Qb7+– Rac8 28.Rf7 (28.Qf7?! Kh8 29.Qf3 Qf3 30.Rf3 Kg8+–) 28...Rc1 29.Be1 Bf8 (29...Bh6 30.Rh7 R8c7 31.Rc7 Ra1 32.Rc8 Bf8+–) 30.Rc1 Rc1 31.Rf1 Qe2 (31...Bd6 32.Qf7 Kh8 33.Qf6 Kg8 34.Qd8 Kg7 35.Qd6 Kh6 36.Qf8 Kg5 37.Bh4 Kh4 38.Rc1 e5 39.Qe7 Qg5 40.Qh7 Qh5+–) 32.Qf7 (32.Qf7 Kh8 33.Qf8) 1–0. Janek – Raum, internet, 2019.

8.Nc3 Nbd7 9.Qb3 c5 (9...a5 10.b5=) 10.b5 (10.bc5 bc5 11.Qb7 Rb8 12.Qa7 Rb2+=) 10...Ne4 (10...cd4 11.ed4 Nh5 12.0-0+=) 11.Ne4= Be4 12.0-0 e5 13.de5 de5 14.Rfd1 Qe7 15.Rd2 Rfd8 16.Rad1 h6 (16...Bb7 17.Qc3+=) 17.Bc3+/- Bf3 (17...a6 18.ba6 Ra6 19.Qb2+=) 18.Bf3 e4 19.Be2 (better is 19.Bg7!? ef3 20.Bh6+/-) 19...Bc3= 20.Qc3 Nf6 21.a4 Nh7 22.a5 Ng5 (22...Nf6 23.h4=) 23.ab6 (23.Rd5!?+=) 23...ab6= 24.Rd8 Rd8 25.Rd8 Qd8 26.Qc2 (26.Qe5 f5=) 26...f5= 27.Qb2 Qd6 28.h4 Nf7 29.g3 Qe5 30.Qe5 (30.Qa2 h5=) 30...Ne5 31.Kf1 Kg7 32.Ke1 Kf6 33.Kd2 g5 34.hg5 hg5 35.Kc3 g4 36.Kd2 Nf7 37.Ke1 ½–½. Figiel,Rafal – Debowski,Stanislaw (1740), XI Szachowe Mistrzostwa Polski Duchowie, 2012.

8.Nbd2 a5 9.b5 Nbd7 10.a4 Re8 11.0-0 e5 12.d5 Nf8 13.Qc2 N6d7 14.g3 (14.Nb3 e4 15.Nfd2 Bb2 16.Qb2 Bc8+=) 14...Nc5 15.Nb3 Nfd7 16.Nc5 Nc5 17.Nd2 f5 18.Nb3 Nb3 19.Qb3 Bc8 20.Rae1 Rf8 21.f4 Qe7 22.Bf3 e4 23.Bg2 Bb2 24.Qb2 Qf6 25.Qf6 Rf6 26.h4 Kg7 27.Rd1 h6 28.Kf2 Bd7 29.Rh1 Rg8 30.Ke2 Kf7 31.Kd2 g5 32.hg5 hg5 33.Rh7 Ke8 34.Bf1 gf4 35.gf4 Rf7 36.Rf7 Kf7 37.Be2 Kf6 38.Rh1 Be8 39.Rh7 Bf7 40.Bh5 Rg7 41.Rh8 Bh5 42.Rh5 Rg2 43.Kd1 Ra2 44.Rh7= Ra4 45.Rc7 Rb4 46.Rc6 Ke7= 47.Kc2 a4 48.Kc3 Rb3 49.Kc2 Re3 50.Rb6 Rf3 51.Rb7 Kd8 52.Ra7 a3 53.b6 Kc8 54.c5 dc5 55.d6 Rd3 56.Rc7+– Kd8?? 57.b7 Rd6 58.b8Q# 1–0. bluepiramid2 (1675) – iglasty76, kurnik, 2011.

8.Nbd2 c5 9.dc5 dc5 10.b5 a6 11.a4 a5 12.0-0 Nbd7 13.Qc2 e5 (13...Qc7!?=) 14.Ne5+/- Ne5 15.Be5 Nd7 16.Bg7 Kg7 17.Bf3 Qc7 18.Bb7 Qb7 19.Nf3 Nf6 20.Rad1 Rfd8 21.Qc3 Rd1 22.Rd1 Qe4? (22...Qe7 23.Ne5+/-) 23.h3 (23.Rd6 Qe7 24.Rb6 Ra7+–) 23...h5? (23...Qe6 24.Rd2+/-) 24.Ng5 (better is 24.Rd6!? Qf5+–) 24...Qf5 25.Nf3 Kh6?? 26.Ne5 Qe6? 27.Nc6 Ne4 28.Qd3 Qf5 29.f3 Ng3 30.Qf5 gf5 31.Kf2 f4 32.ef4 Nf5? 33.Rd7 f6 34.Rb7 Nd4 35.Rb6 Nc6 36.Rc6 Rd8 37.Rf6 Kg7 38.Rc6 Rd2 39.Kg3 Ra2 40.Rc5 Ra4 41.b6 Rb4 42.Rc7 Kf6 43.c5 a4 44.Ra7 Rc4 45.b7 Rc5 46.b8Q Rf5 47.Qd6 1–0. Fournier,Frederic – bagame, Active, 2009.

8.Nbd2 Nbd7 9.a4 c5 10.b5 Re8 11.d5 e5 12.0-0 h5 13.e4 Rf8 14.Qc2 Ng4 15.h3 Nh6 16.Bc3 Bc8 17.a5 f5 18.ab6 Nb6 19.Ba5 Bd7 20.Ra3 fe4 21.Ne4 Bf5 22.Bd3 Qe7 23.Rfa1 Nd7 24.Bc7+– Nf6?? 25.Nf6 Bf6 26.Bf5 Nf5 27.Ra7 Ra7 28.Ra7 Nd4?? 29.Nd4 ed4 30.Qg6 Kh8 31.Qh5 Kg8 32.Qg4 Kh8 33.b6 Qe1+= 34.Kh2 Be5 35.g3?? Rf2# 0–1. ourang – misi24, kurnik, 2012.

7.Be2 c5

8.a3 a5 9.bc5 bc5 10.0-0=.

8.a3 cb4 9.ab4 Qc7 10.–0 Nbd7 11.Nc3 a6 12.h4 e5 13.Nb5 Qc6 (better is 13...Qb8!? 14.de5 de5+=) 14.d5+– (14.de5?! de5 15.Qd6 Qb7=) 14...Qb7 15.Nd6 (15.Nd6 Qb8 16.Nc8 Rc8 17.Qb3+/-) 1–0. Wall,Bill – Gzampi, chess.com, 2009.

8.a3 Bb7 9.0-0 Nbd7 10.Nc3 Rc8 11.Rc1 a6 12.d5 b5 13.cb5 ab5 14.Rc2 cb4 15.ab4 Nd5 16.Nd5 Rc2 17.Ne7 (17.Bg7 Kg7 18.Qc2 Bd5+=) 17...Qe7= 18.Qc2 ½–½. Jimenez,Jean Claude – Trapeaux,Jerome, FRA AJEC46 corr, 1997. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.d4 b6 7.Be2 c5)

8.a3 Nbd7 9.0-0 Bb7 10.Nc3 Rc8 11.Qb3 Qc7 12.Rac1 (12.d5 Ra8=) 12...Qb8 (12...a6 13.Rcd1=) 13.Rfd1 (13.d5 Rfe8=) 13...Qa8 (13...cd4 14.ed4 Rfe8 15.Ba1=) 14.bc5 bc5 15.d5 Rb8 16.Qa2 Bc8 17.Ba1 Ng4 18.Nd2 Ngf6 19.Rb1 Ba6 20.f4 Rb1 21.Rb1 Rb8 22.e4 Rb1 23.Qb1 Qd8 24.g3 Qa5 25.Qc1 e6 26.de6 fe6 27.Bb2 Bb7 28.Qc2 Qb6 29.Bf3 Bc6 30.Nd1 Kf7 31.Qd3 Ba4 32.Bc3 Bd1 33.Bd1 Qa6 34.Bf6 Bf6 35.e5 Be7 36.Bg4 Qc6 37.Nf3 de5 38.fe5 Nb6 39.h4 h5 40.Bh3 Qd7 41.Qc2 Kg7 42.Kh2 Qc6 43.Qd3 Nc4 44.Qc4 Qf3 45.Qe6 Qf7 46.Qd7 Bf8 47.Qc6 Qe7 48.e6 Qd6 49.Qf3 Qe7 50.a4 a5 51.Qc3 Qf6 52.Qa5 Qf2 53.Bg2 Qe3?? 54.Qc7+– Kh6 55.Qd8 Kg7 56.Qd7 Kh6 57.Qe8 Bg7 58.e7 Be5 59.Qf8 Kh7 60.Qf7 Kh6 61.Qf3 Bg3 62.Qg3 Qe7 63.Qg5! (63.Qg5 Qg5 64.hg5 Kg7 65.Kg3+–) 1–0. Kaenel,Hansjuerg (2410) – Raeber,Markus (2265), SUI–chT Switzerland, 2001. (=1.Nf3 g6 2.d4 Bg7 3.b4 Nf6 4.c4 0-0 5.Bb2 d6 6.e3 b6 7.Be2 c5)

8.a3 Nbd7 9.Nc3 a5 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 cb4 (12...Re8 13.0-0+=) 13.Qb4+= Bb7 14.0-0 Qa8 15.Rb1 Qa7 16.Nb5 Qa2 17.Nc3 (17.Bd3 Ra8+=) 17...Qc2 (17...Qa7 18.Bb2+=) 18.Rd1 Qf5 19.d5 Ne4 (19...Ra8 20.Nd4 Qg5 21.Nc6 Bc6 22.dc6+=) 20.Bd3 Ndc5 (20...Bc3 21.Bc3 Ndc5 22.Bc2+/-) 21.Be4 (worse is 21.Qb6 Bc3 22.Bc3 Nd3 23.Rd3 Ba6+/-) 21...Ne4 22.Ne4 Qe4 23.Bg7 Kg7 24.Qb6 Bc8 25.h3 (better is 25.Nd2!? Qc2 26.Qb1 Qb1 27.Rb1+–) 25...Qc4+= 26.Rd4 Qe2 27.Re4 Bh3 (27...Re8 28.Qd4 Kg8 29.Qa4+=) 28.Re7+/- Bg4 1–0. Kushch,Nikolai (2400) – Stets,Vasilij (2180), UKR–ch Sevastopol, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 b6)

8.a3 e6 9.0-0+= Bb7 10.Qb3 cd4 11.Nd4 Nc6 12.Nf3 (12.Rd1 Nd4 13.Bd4 Qc7+=) 12...Qe7 (12...Qc7 13.Nc3=) 13.Rd1 Rfd8 14.Nc3 Ne5 15.Ne5 de5 16.Rac1 Rac8 17.Qa4 Rd1 (17...a6 18.b5=) 18.Nd1+/- Qd6 (18...Qd7 19.Qa7 Qc6 20.f3+=) 19.Nc3 (19.Qa7!? Qc6 20.f3+=) 19...a6+= 20.Rd1 Qc7 21.Qc2 h5 22.e4 Rd8 23.Rd8 Qd8 24.f3 (24.Bc1 Ng4+=) 24...Nd7 25.Qd3 Bh6 26.Nd1 Qc7 27.g3 Nb8 (27...h4 28.Ne3=) 28.Ne3+= Bg5 (28...Nc6 29.Bf1+=) 29.h4 (29.Ng2 Nc6+=) 29...Bf6 30.Nc2 Nc6 31.Kg2 a5 32.Bf1 Bg7 33.Be2 f5 (33...Bf6 34.c5 bc5 35.bc5+=) 34.Bc3 Ne7 35.ba5 ba5 36.Ne1 (36.Kf1 Nc8=) 36...Nc6 37.ef5 (37.Qd2 a4=) 37...ef5 38.c5 Kh7 39.Qb5 The isolani on a5 becomes a target 39...Qe7 40.Kf1 f4 (40...Ba8 41.Bc4=) 41.gf4 ef4 (41...Nd4 A) worse is 42.Qa5 ef4 (worse is 42...Ne2 43.Ke2 ef4 44.Kf1+=) 43.Bd4 Bd4+=; B) 42.Bd4 ed4 43.Bd3+=) 42.Bg7 Qg7 (42...Kg7!? 43.Ng2 Ba8 44.Nf4 Qf6+=) 43.Bd3+= Ne5 44.Qa5 Nd3 (44...Bf3 45.Qd2 Qf6 46.Nf3 Nf3 47.Bg6 Qg6 48.Qf4 Qg1 49.Ke2 Nd4 50.Kd3=) 45.Nd3+/- Qd7 ½–½. Cirulis,Ilmars (2010) – Ropokis,Dimitrios (1925), FICGS, 2016.

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 e6 12.0-0 (12.dc5 bc5 13.0-0 Bb7=) 12...Bb7 (12...Nbd7 13.Bc3=) 13.Qc2 Nbd7 14.Rd1 d5 (14...Qe7 15.Nbd2=) 15.dc5+= Nc5 16.Bb2 Qc7 17.Be5 Qc8 18.cd5 Nd5 19.Bg7 Kg7 20.Nc3?? (20.Nbd2 Qc7+=) 20...Rd8?? (better 20...Ne4! 21.Qe4 Nc3-+) 21.Nd5= Rd5 22.Nd4 (22.Rc1 f6+=) 22...Qd7 (22...e5 23.Nf3 Qe6 24.Rd5 Bd5 25.Nd2=) 23.Qb2 (23.Bf3 Rd6 24.Bc6 Qd8+=) 23...f6 (23...e5 24.Bf3 Kg8 25.Bd5 Qd5 26.f3=+) 24.Bc4 Rd6 25.Re1 (better 25.f4!?=) 25...e5-/+ 26.Nb3? (26.Nc6!?-/+) 26...Rd1 (better 26...Nd3 27.Bd3 Rd3-+) 27.Rd1?? (better 27.Qe2 Re1 28.Qe1 Nb3 29.Bb3 Qb5 30.Qd1-/+) 27...Qd1-+ 28.Bf1 Ne4 (28...Nb3 29.Qe2 Qe2 30.Be2-+) 29.Qe2?? (29.f3 Bd5 30.fe4 Qb3=) 29...Qb1 (better 29...Qb3 30.f3 Nc5-+) 30.Nd2= Nc3?? Exerts pressure on the isolated pawn (30...Qb2 31.Ne4 Qe2 32.Be2 Be4 33.Bc4=) 31.Qd3 (31.Nb1 Ne2 32.Be2 Bd5+-) 31...Ne2?? (better 31...Qd3 32.Bd3 h6=) 32.Qe2+- Qc2 (32...Qa2 33.Nc4 Qa4 34.Qg4+-) 33.Qd3 (33.Qd3 Qd3 34.Bd3+-) 1-0. negrovich1 (2065) - carlborz (2005), Rated Bullet game, lichess.org, 2014. (=1.Nf3 d6 2.c4 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 b6)

8.b5 Bb7 9.0-0 Nbd7 10.Nbd2 Qc7 11.Re1 e6 12.Bf1 d5 13.Rc1 Qd6 14.cd5 Nd5 (14...Bd5? 15.e4+-) 15.dc5 Nc5 16.Bg7 Kg7 17.Nc4 Qe7 18.e4 Nf6 19.e5 Nd5 20.Nd6 Rab8 21.Qd4 Nd7 (21...Rbd8 22.Bc4+/-) 22.h4 (22.Bc4 Nc5+/-) 22...h6 (22...Ba8 23.Bc4+=) 23.Bd3 Rfd8 24.h5 Nf8 (24...Nc5!?+/-) 25.hg6+- Ng6 26.Qg4 Ndf4 27.Bg6 (27.Nb7?! Rd3 28.Nd6 Rd5=) 27...Ng6 28.Nd4 (worse 28.Nb7 Rb7 29.a4 Rbd7+/-) 28...Qg5? (better 28...Kh7 29.Qg3 Rg8+/-) 29.Qg5+- hg5 30.Nc6 Bc6 31.bc6 (31.Rc6?! Rd7=) 31...Ne5 (31...Ra8 32.c7 Rdc8 33.Nc8 Rc8 34.Red1+-) 32.c7 (32.Re5?! Rd6 33.Rg5 Kf6+=) 32...Nd3 33.cb8Q?? (better 33.Nf7 Rh8 34.cb8R Rb8 35.Ng5+-) 33...Rb8+/- 34.Red1 Nc1 35.Rc1 Rd8 36.Ne4 Kg6 37.g3 (37.g4 a6+/-) 37...f5+= 38.Nc3 Rc8 39.Ne2 Rc1 40.Nc1 Kf6 41.Kf1 Ke7 (41...g4 42.Ke2+=) 42.Ke2 (42.f4 gf4 43.gf4 Kd6+/-) 42...Kd6 (42...g4 43.Nd3+/-) 43.Ke3 g4 44.Nd3 (44.Kf4 b5+-) 44...a5 (better 44...e5!?+=) 45.Kd4 b5 46.a3 a4 47.Ne5 b4 48.ab4 a3 (48...Kc7+-) 49.Nc4 (49.Nc4 Ke7 50.Na3+-) 1-0. Arifars17 (2375) - satya362011 (2000), PB PERCASI ONLINE SERI IV, lichess.org, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 b6)

8.b5 Bb7 9.0-0 Nbd7 10.d5 Ne4 (10...a6 11.ba6 Ba6 12.Nc3+=) 11.Bg7 Kg7 12.Qc2 Nef6 13.Rd1 Ne8 14.h4 (14.Nbd2 e6+=) 14...Ndf6 15.Nc3 Bc8 16.e4 Bg4 17.Nh2 Be2 18.Qe2 Qc7 19.a4 Nd7 20.Qe3 (20.Nf3 Nef6+=) 20...e6 (20...Ne5!?=) 21.de6 fe6 22.Qh3 Ne5 23.Qe6 Qf7 (23...Rf6 24.Qd5 Qd8 25.Qd2+/-) 24.Qf7 Rf7 25.a5 (25.Rac1 Nf6+/-) 25...Nc4 26.ab6 Nb6 27.Ra2 Rd7 28.Rda1 Nf6 29.Ra6 Rb7 30.g4 d5 31.ed5 Nbd5 32.g5 Nc3 33.gf6 Kf7 34.Ng4 (34.b6!? Kf6 35.Ng4 Kf5 36.Ne3 Ke4 37.ba7=) 34...Nb5+= 35.Nh6 (35.Ne5!? Kg8 36.Rc1+=) 35...Kf8–/+ 36.Rc6 (36.Rb1 Rab8 37.Rc6 a5–/+) 36...Rc7 (better is 36...Nd4 37.Rd6 Rc8–+) 37.Rc7+= Nc7 38.Rd1 Ke8 39.Re1 Kd7 40.Re7 Kc6 41.Ng4 a5 (41...Kd6+=) 42.f4 (42.Ne5!? Kd5 43.f4+=) 42...Nd5 (42...a4 43.Ne5 Kb7 44.Nd7–+) 43.Ne5 Kd6?? (better is 43...Kb5!? 44.Rh7 a4 (44...Nf4 45.Rb7 Ka6 46.Rg7+/-) 45.Rb7 Ka6–/+) 44.Nc4= Kc6 45.Re6 Kb5 46.Nd6 Kb4 47.f7 Rf8 48.Re8 Rf7 49.Nf7 a4 50.Rb8 Kc3 51.Rb5 Nb4 52.Rc5 Kb3 53.Ng5 h5 54.Ne4 a3 55.Nd2 Ka4 56.Nb1 Nd3 57.Rc4 (57.Rc4 Kb3 58.Rc3 Kb2 59.Ra3+– (59.Rd3?! a2 60.Rd2 Kb1+=)) 1–0. Khudiakov,Igor (2410) – Sudar,Boris (2265), Djakovo op, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 b6)

8.b5 Bb7 9.0-0 e6 10.Nbd2 Nbd7 11.a4 a5 12.ba6 Ra6 13.Qc2 Ra8 14.Rfc1 Re8 15.Ne1 cd4 16.ed4 e5 17.d5 Nc5 18.Nd3 Nd3 19.Bd3 Rc8 20.Qb1 Ba6 21.Bf1 Bh6 22.Bc3 Rc5 23.Qb2 Bc8 24.Re1 Bf5 25.a5 ba5 26.Nb3 Rc8 27.Na5 Bd7 28.Bb4 Bf8 29.Qa3 Ra8 30.Qc3 Qb6 31.g3 Reb8 32.Reb1 Qc7 33.Qe1 Bf5 34.Rb2 Bd7 35.h3 Rb6 36.Bc3 Rb2 37.Bb2 h5 38.Bg2 Qc5 39.Bc3 Rb8 40.Rb1 Rb1 41.Qb1 Bf5 42.Qb4 Qc8 43.h4 Be4 44.Bd2 Qg4 45.Qb3 Qe2 46.Qe3 Qd1 47.Qe1 Qc2 48.f3 Bd3 49.Qc1 Qa2 50.Qc3 e4 51.Nb3 Bg7 52.fe4 Qb1 53.Nc1 Ne4 54.Qd3 Qd3 55.Nd3 Nd2 56.c5 Bd4 57.Kh2 Bc5 58.Kh3 Be3 59.g4 hg4 60.Kg4 Kg7 61.Kg3 Kh6 62.Bh3 f5 63.Bg2 Bd4 64.Kh3 Kg7 65.Ne1 Bf2 66.Nf3 Nc4 67.Ng5 Kf6 68.Nh7 Kg7 69.Ng5 Ne5 70.Bf1 Be3 71.Ne6 Kf6 72.Be2 Bf2 73.Ng5 Be3 74.Ne6 Bh6 75.Nd4 Bc1 76.Kg3 Bd2 77.Kh3 Be3 78.Nc6 Nd7 79.Bf3 Bf2 80.Nd8 Nc5 81.Bg2 Be1 82.Bf3 Ba5 83.Nc6 Bb6 84.Kg3 Nb3 85.Bg2 Nd2 86.Bh1 Nf1 87.Kh3 Bc5 88.Bf3 Nd2 89.Bg2 Bf2 90.Nd8 Nc4 91.Nc6 Ne3 92.Bf3 Be1 93.Bh1 Nd1 94.Bf3 Nf2 95.Kg2 Nd3 96.h5 g5 97.Bd1 Nf4 98.Kf1 Bc3 99.h6 Nd5 100.Bb3 Ne3 101.Ke2 f4 102.Kd3 Bb2 103.h7 Kg7 104.Bg8 Bf6 105.Ke4 d5 106.Kf3 Kh8 107.Nb4 d4 108.Nd3 Nf5 109.Ke4 Ne7 110.Bc4 Kh7 111.Nf4 gf4 112.Kf4 Kg7 113.Kg4 Nc6 114.Kf5 Bh4 115.Ke4 Bf2 116.Bb5 Nb4 117.Bc4 Kf6 118.Be2 Ke6 119.Bc4 Kd6 120.Be2 Kc5 121.Bf1 Nc6 122.Be2 Kb4 123.Bf1 Kc3 124.Bb5 Nb4 125.Bf1 d3 126.Bd3 Nd3 127.Kf3 Bc5 128.Ke4 Kc4 129.Kf5 Kd5 130.Kf6 Bd6 131.Kf7 Ne5 132.Ke8 Ke6 133.Kd8 Nf7 134.Kc8 Kd5 135.Kb7 Kc5 136.Ka6 Bc7 137.Kb7 Kd6 138.Ka6 Kc6 139.Ka7 Nd6 140.Ka8 Bd8 141.Ka7 Kb5 142.Kb8 Kb6 143.Ka8 Nb7 144.Kb8 Bc7 145.Ka8 Kc6 146.Ka7 Nc5 147.Ka8 Nd7 148.Ka7 Nb6 149.Ka6 Bb8 150.Ka5 Kc5 151.Ka6 Bd6 152.Kb7 Kb5 153.Ka7 Kc6 154.Ka6 Bb8 155.Ka5 Nd5 156.Ka6 Bc7 157.Ka7 Bb6 158.Kb8 Bc5 159.Ka8 Nc7 160.Kb8 Nb5 161.Ka8 Kb6 162.Kb8 Na7 163.Ka8 Ka6 164.Kb8 Bb6 165.Ka8 Nb5 166.Kb8 Nd6 167.Ka8 Kb5 168.Kb8 Kc6 169.Ka8 Bc7 170.Ka7 Nb7 171.Ka8 Nc5 172.Ka7 Bb6 173.Ka8 Bc7 174.Ka7 Nd7 175.Ka8 Bd6 176.Ka7 Nb6 177.Ka6 Bb8 178.Ka5 Bc7 179.Ka6 Nc8 ½–½. Kempinski, Robert (2520) – Epishin, Vladimir (2565), BL 00/01 (GER) (5), 2001.

8.b5 cd4 9.ed4 Bb7 10.0-0 Nbd7 11.Nc3 e5 12.d5 Nc5 13.Nd2 Bc8 14.h3 Bf5 15.f3 Bd3 16.Ba3 Be2 17.Qe2 a6 18.Bb2 Nh5 19.Kh2 Nf4 20.Qe3 Ncd3 21.Ba3 Qh4 22.Rg1 (22.Nde4 f5 23.Bd6 Rfd8 24.Qb6 fe4 25.Ne4 ab5–/+) 22...ab5 (22...e4 23.Nce4 Be5 24.Ng3 Nh3 25.gh3–+) 23.Nb5 (23.Bd6 e4 24.Nb5 Rfd8 25.fe4 Rd6+= (worse is 25...Ba1 26.Ra1 Qf6 27.e5+–)) 23...e4! 24.Raf1?? Be5–+ 25.Kh1 Nh3! 26.g3 (26.gh3 Qh3 Mate attack) 26...Nhf2 27.Kg2 Qg3 0–1. nizinna – brazilianu, kurnik, 2011.

8.b5 cd4 9.Nd4 Nbd7 10.Bf3 Rb8 11.Nc6 Qc7 12.Ne7 Kh8 13.Nc6 Nc5 14.Nb8 Qb8 15.0-0 Bf5 16.Nd2 Nd3 17.Bd4 Ne5 18.e4 Nf3 19.Qf3 Bg4 20.Qc3 Qd8 21.f3 Be6 22.Nb3 Re8 23.a4 Nh5 24.Bg7 Ng7 25.a5 Kg8 26.Rfd1 Qc7 27.Rac1 f5 28.Nd2 Rc8 29.Qd4 Bd7 30.ab6 ab6 31.Rc3 Be8 32.Rdc1 Ne6 33.Qd5 Bf7 34.ef5 Ng7 35.Qd3 Nf5 36.Ne4 Rd8 37.Rd1 Be6 38.g4 Nh4 39.Kf2 Rf8 40.Qd4 Bg4 41.Nd6 Bf3 42.Qh4 Bd1 43.Ke1 Qd6 44.Re3 Bh5 45.Qe4 Qd1 0–1. carocan (1770) – fckeres (1790), kurnik, 2012.

8.bc5 bc5 9.0-0 Nc6 10.d5 Rb8 11.Bc3 Nb4 12.a3 Na6 13.Nbd2 Nc7 (13...Bf5 14.Qa4 Qc8 15.Nh4=) 14.Qc2 e6 15.de6 (15.e4 Bb7=) 15...Ne6 (15...fe6 16.e4=) 16.Rab1+= Bb7 17.Qa4 a6 (17...Qd7 18.Qd7 Nd7 19.Bg7 Kg7 20.Rfd1=) 18.Rb2 (18.Rb3 Qe7+=) 18...Qd7 19.Qa5 Bc6 20.Rfb1 Rb2 21.Rb2 Ra8 22.Bd3 (22.Rb6 Bb7+=) 22...Qc8 (22...Re8 23.Rb3 Nc7 24.Rb6+=) 23.Rb1 Ra7 24.h3 (24.Bf6 Bf6 25.Ne4 Be7=) 24...Rb7 25.Rd1 (25.Rb7 Qb7 26.Be2 Nc7=) 25...Rb8 26.Bc2 Qc7 (26...Nd8 27.e4+=) 27.Qc7+= (27.Qa6? Ra8 28.Ba5 Ra6 29.Bc7 Nc7–+) 27...Nc7 28.Ng5 (28.Bf6 Bf6 29.Ne4 Be4 30.Be4 Be7+=) 26…Nfe8 (28...h6 29.Nge4 Ne4 30.Be4 Bc3 31.Bc6=) ½–½. Beim,V – Szekely,P, Budapest FS, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 b6 6.d4 d6)

8.dc5 dc5 9.Qd8 (9.bc5 Qd1 10.Bd1 bc5=) 9...Rd8 10.b5 (10.bc5 bc5 11.Nbd2 Bf5=) 10...a6+= 11.Nbd2 Ne8 (11...Bf5 12.a4+=) 12.Bg7= Kg7 13.0-0 (13.a4 ab5 14.cb5 Nd6=) 13...f6 (13...ab5 14.cb5 Nd6 15.e4=) 14.Rfd1 (14.a4 g5 15.Nb3 g4=) 14...Bb7 (14...ab5 15.cb5 e5 16.Nc4 Rd1 17.Rd1=) 15.Ne1 (15.a4 e5=) 15...Nd6 (15...ab5 16.cb5 Nc7 17.a4=) 16.Nb1 (16.ba6 Na6 17.Nd3 Nc7=) 16...Nd7 17.Nc3 (17.ba6 Ba6 18.Nd2 Ne5+=) 17...Ne5–/+ 18.ba6 (18.Nd5 Bd5 (worse is 18...Nec4 19.Nc7 ab5 20.Bc4 bc4 21.Ne6 Kh6 22.Nd8 Rd8 23.Rab1=; 18...Ndc4?! 19.Nc7 Rd1 20.Rd1–/+) 19.Rd5 ab5 (19...Nec4?! 20.ba6 e6 21.Rdd1=; 19...Ndc4?! 20.Rd8 Rd8 21.ba6=) 20.cb5 e6–/+) 18...Ba6 19.Nb5 Bb5 (19...Ndc4 20.Rd8 Rd8 21.Nc7+=) 20.cb5 Ra5 21.f4 Nef7 22.Bd3 (22.a4 Rda8–/+) 22...Rda8 (22...c4 23.Be2–+) 23.e4 (23.Rd2 c4 24.Be2 Rb5–+) 23...c4 (23...Ra2 24.Ra2 Ra2 25.Nf3–+) 24.Bf1 (24.Bb1 Nb5 25.Rd7 R8a7 26.Ra7 Ra7–+) 24...Rb5 25.Nc2 (25.Nf3 e5 26.fe5 fe5–+) 25...Rb2 26.Nd4 (26.Ne3 c3–+) 26...b5 (26...Raa2 27.Ra2 Ra2 28.Rb1–+) 27.Rdb1 (27.a3 Ne4 28.Ne6 Kh6–+) 27...c3 (27...Raa2 28.Ra2 Rb1 29.Ne6 Kh6 30.Ra3–+) 28.Nb5 (28.a3 Rb1 29.Rb1 Ra3 30.Nb5 Nb5 31.Bb5 e5–+) 28...Nb5 29.Bb5 Raa2 (29...Raa2 30.Bf1 Rb1 31.Rb1 Rd2–+) 0–1. Aubry,Yannis (2010) – Cristofari,Antoine (2120), Belfort FRA, Men Ch Open A, 2010. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 b6 7.Be2 c5)

7.Be2 Nbd7

8.0-0 c5 9.a3 a5 10.b5 Bb7 11.Qc2 e6 12.Nbd2 d5 13.a4 f5 14.Rac1 dc4 15.Bc4 Qe7 16.Qb3 Re8 17.d5 Kh8 18.Bg7 Kg7 19.de6 Nf6 20.Ng5 Rd8 21.Ndf3 h6 22.Nf7 Rf8 23.Rfd1 Bf3 24.gf3 Ne8 25.Ne5 Qg5 26.Kh1 f4? 27.Nd7 Rf5 28.Qc3 Nf6 29.Rg1 Qh4 30.Ne5 g5 31.Ng4 Ra7 32.Bd3 h5 33.Bf5 hg4 34.Bg4 Qf2 35.Rcf1 Re7 36.Rf2 1–0. ourang – brini04, kurnik, 2012.

8.0-0 c5 9.a3 cb4 10.ab4 a5 11.ba5 Ra5 12.Ra5 ba5 13.Bc3 Bb7 14.Qa4 Ne4 15.Qa5 Nc3 16.Qc3 e5 17.Nbd2 ed4 18.ed4 Nc5 19.Qb4 Bf3 20.Nf3 Ne6 21.d5 Nc5 22.Rb1 Qe7 23.Kf1 Re8 24.Qd2 Bc3 25.Qc3 Qe2 26.Kg1 Nd3 27.Rf1 h6 28.h4 Qe4 29.Nd2 Qf5 30.Nf3 Nf4 31.Re1 Ne2–/+ 32.Re2 Re2 33.c5? Qd5–+ 34.c6 Qd1 35.Kh2 Rc2 36.Qf6 Rc6 37.h5 Qd3 38.Qd8 Kg7 39.Qe8? gh5 0–1. futsalboy (1705) – mapaj (1615), kurnik, 2011.

8.Nc3 Bb7 9.0-0 c5 10.b5 cd4 11.Nd4 Qc7 12.Rc1 Nc5 13.f4 d5 (13...Rac8 14.a3=) 14.cd5+= Nd5 15.Nd5 Bd5 16.Bf3 Bf3 17.Rf3 (17.Nf3?? Bb2 18.Rc2 Bg7–+; worse is 17.gf3 a6+=) 17...Qd6 18.Ba3 (18.Qc2!?=) 18...Rfd8 19.Rc4 e5 20.fe5 Be5 21.Rh3 Rd7 (21...a6 22.Qf1+=) 22.Qf3 Qd5 (22...Rad8 23.Qf1+=) 23.Qd5 Rd5 24.Bc5 Rc5 25.Rc5 bc5 26.Nc6 Bd6 27.Rh4 a6 28.Ra4 a5 (28...Re8!? 29.ba6 Ra8+/-) 29.Ra5+– (29.Na5? Bc7–+) 29...Ra5 30.Na5 Bc7? (better is 30...f5+–) 31.Nc4 Kf8 32.h3 (32.a4!? Ke7+–) 32...Ke7 33.Kf2 Kd7 34.Kf3 f5 35.a4 Bb8 36.a5 Kc7 37.a6 Ba7 (37...h6 38.g4 Kd7 39.Ne5 Kc8 40.Ng6 fg4 41.hg4+–) 38.Kf4 h6 39.Ke5 Bb8 40.Kf6 g5 (40...f4 41.ef4 Kc8 42.Nb6 Kc7 43.Nd5 Kd6 44.b6+–) 41.Kf5 1–0. Bender,Wolfgang (1755) – Ley,Janine, Saarlouis op 6th, 2003.

6.d4 c5

7.a3 Nfd7 8.Be2+= Na6 9.Qd2 Re8 10.0-0 Nf6 11.Rd1 Bf5 12.Ra2 Qc8 13.bc5 dc5 14.Nc3 Rd8 15.d5 Nc7 16.Qc1 Nce8 17.a4 Nd6 18.Nd2 Bh6 19.Nb5 Nde8 20.Nb3 g5 21.Be5 g4 22.d6 a6 23.Nc7 ed6 (23...Nc7 24.dc7 Rd1 25.Qd1+/-) 24.Na8 de5 25.Nb6 Qc7 26.Rd8 Qd8 27.a5 Ne4 28.Nd5 N8f6 29.Nf6 Qf6 30.Bd3 Qc6 31.Be4 (31.Qc2 Bg6+/-) 31...Be4 32.Qd1 f5 33.Qd8 Bf8 34.Rd2 h6 (34...Qa4 35.Rd7 f4 36.Qg5 Bg6 37.Rb7+–) 35.Qb8 Qe6 (35...Kg7 36.Qe5 Kf7 37.f3 gf3 38.gf3+–) 36.Rd8 Qf7? (36...Qe7 37.Re8 Qf7 38.Nc5 Bc6+–) 37.Nc5 Qc4 38.Rf8 Kg7 39.Qc7 Kg6 40.Rf6! (40.Rf6 Kf6 41.Nd7 Ke6 42.Qc4 Kd7 43.Qf7 Kc6 44.Qe6 Kb5 45.Qe5 Kb4 46.h3 gh3 47.g4+–) 1–0. German,Eugenio Maciel – Lucena,Lincoln, BRA–ch zt qual 2th, 1972. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

7.a3 e5 8.de5 de5 9.Qd8 (worse is 9.Ne5 Qd1 10.Kd1 Ng4 11.Ng4 Bb2=) 9...Rd8 10.Ne5 cb4 11.ab4 Ng4 12.Nd3 Bb2 13.Nb2 Nc6 14.b5 Nb4 15.Na3 (15.Ra4!? a5 16.ba6 Nc2 17.Ke2 Ra6 18.Ra6 ba6 19.h3+/-) 15...Nf2= 16.Kf2 Rd2 17.Kf3 Rb2 18.Rb1 Ra2 19.Rb4 Ra3 20.Be2 b6 21.Rhb1 Be6 22.R4b3 Ra4 23.Rb4 Ra5 24.Bd1 Kg7 25.Ba4 Rd8 26.Rc1 Rd2 0–1. pochra (1770) – VaChessNut (1890), Friendly Game, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 c5)

7.Qb3 cb4 8.Qb4 Nc6 9.Qb3 d5 10.Nbd2 Na5 11.Qc2 Bf5 12.Bd3 Bd3 13.Qd3 dc4 14.Nc4 Nc4 15.Qc4 Qb6 16.Qb3 (16.Qb3 Qa5 17.Bc3=) 1-0. zembelek (2085) - bizamil (2010), Rated Blitz game, lichess.org, 2014.

7.a3 a5

8.Qb3 ab4 9.ab4 Ra1 10.Ba1 cd4 (10...Qb6 11.b5=) 11.Nd4 d5 (11...Nc6 12.Be2=) 12.Be2 (12.Nd2 Nc6=) 12...dc4 (12...e5 13.Nf3 e4 14.Nfd2=) 13.Bc4 Ng4 (13...e5 14.Nf3 e4 15.Nfd2=) 14.h3 Ne5 15.Be2 Nec6 (15...Qd6 16.0-0=) 16.Nc6+= Nc6 17.Bg7 Kg7 18.0-0 (18.b5 Ne5+=) 18...Qd6 (18...e5 19.b5 Nb8 20.Nc3+=) 19.b5+– Ne5 (19...Qb4 20.Qc3 Qc3 21.Nc3+=) 20.Rd1 (20.Qc3 Qf6+–) 20...Qb6 (20...Qc5 21.Nc3+–) 21.Qb4 (21.Qc3 f6+–) 21...Rd8 22.Qe7 (22.Nd2 Qe6+–) 22...Rd1+= 23.Bd1 Qb5 24.Nc3 Qa5 25.Ne4 Bf5 (25...Qa1 26.Qf6 Kg8 27.Kh2+=) 26.Qf6+– Kg8 27.Nd6 Be6 28.Nb7 (28.Be2!?+=) 28...Qa1= 29.Qd8 Kg7 30.Kh2 Nd7 31.Bf3 ½–½. Balendo,Eduard Pavlovich – Yershov,Vladimir N, 13 ch USSR, 1977.

8.Qb3 cd4 9.ed4 Bg4 10.Be2=.

8.b5 b6 9.Bd3 e6 (9...cd4 10.Nd4 Bb7 11.0-0=) 10.0-0 (10.dc5 dc5 11.0-0 Bb7+=) 10...Bb7 (10...cd4 11.ed4 Nbd7 12.Nbd2=) 11.Nbd2 (11.dc5 dc5 12.Qe2 Qc7+=) 11...Nbd7= 12.Rc1 (12.e4 cd4 13.Bd4 Nc5=) 12...Re8 (12...Rc8 13.Re1=) 13.Qc2 (13.Qe2 cd4 14.ed4 e5 15.de5 de5=) 13...Qe7 (13...cd4 14.ed4 (14.Bd4? e5–+) 14...Rc8 15.Rfe1=) 14.Rfd1 (14.Rfe1 cd4 15.ed4 Rac8=) 14...Rad8 (14...cd4 15.Nd4 (15.Bd4? e5–+) 15...Nc5 16.e4=) 15.Qb1 (15.e4 cd4 16.Bd4 Nc5=) 15...e5 (15...cd4 16.Nd4 (16.Bd4? e5–+) 16...Nc5 17.Be2=) 16.de5 Ne5 17.Ne5 de5 18.e4 (18.Ne4 Ne4 19.Be4 Be4 20.Qe4 Qe6=) 18...Nd7 (18...Bh6!?–/+) 19.Nf3 Nf8 (19...Rf8 20.Qc2=) 20.Bc2 (20.Bc3 Ne6+=) 20...f6 (20...Ne6 21.Rd8 (worse is 21.Ne5 Nf4–/+; worse is 21.Be5 Be5 22.Ne5 Nf4–/+) 21...Rd8 22.Rf1+= (worse is 22.Ne5 Nf4–/+; worse is 22.Be5 Be5 23.Ne5 Nf4–/+)) 21.Kh1 (21.Rd8 Rd8 22.Rd1 Ne6=) 21...Ne6 22.Ng1 (22.Rd8 Rd8 23.Rd1 Nd4=) 22...Nd4+= 23.Re1 (23.Bd3 Qe6+=) 23...Bh6 (23...Rd6 24.Rcd1+=) 24.Rcd1 Bc8 25.Ne2 (25.Bd3 Bg4 26.f3 Be6+=) 25...Bg4 (25...Be6 26.Bd3–/+) 26.Bd3 Rd6 (26...Qf7 27.Bd4 cd4 28.c5–/+) 27.Bc1 (27.h3 Be2 28.Be2 Qe6=) 27...Bg7 (27...Ne2!? 28.Be2 Be2 29.Rd6 Qd6 30.Bh6 Bc4–/+) 28.Be3 Red8 (28...Nf3 29.Rf1 f5 30.h3–+) 29.Bd4 (29.h3 Be2 30.Be2 Ne2 31.Rd6 Ng3 32.Kh2 Qd6 (worse is 32...Rd6 33.Kg3 Qd7 34.Kh2=) 33.Kg3 Qd3+=) 29...ed4 (29...cd4 30.Qb3 Be6 31.Qa4+=) 30.f3 Bc8 31.Nf4 Bb7 (31...Qe5 32.Nd5=) 32.Nd5 Qf8 (32...Qe5 33.Qc2=) 33.Re2 (33.Qc2 Re6=) 33...Bh6 (33...Qe8 34.Qc2=) 34.Rde1 (34.Rf1 Bd5 35.ed5 Bf4=) 34...Bd5 35.ed5 Be3 ½–½. Radikovic,Anamarija (1835) – Randic,Petra, Trogir Croatia, ChampionshipU13, 2016.

8.b5 Nbd7 9.Qc2 cd4–/+ 10.ed4 Nb6 (10...e5 11.Be2–/+) 11.Bd3 (11.Nbd2 Nh5+=) 11...Bg4 12.Nfd2 (12.Nbd2 Rc8–/+) 12...Rc8 (12...Nh5 13.h3 Bd7 14.Nc3–/+) 13.Bc3 (better is 13.Nc3–/+) 13...Ra8 (better is 13...Nh5!?–+) 14.0-0 (14.Bb2 Nh5–/+) 14...Qd7 15.a4 Rfc8 16.Re1 Kf8 (16...Rc7 17.Ra2+=) 17.Na3= Bf5 18.Bf5 Qf5 19.Qb3 Bh6 20.Rad1 (20.f3 Bg5=) 20...Nbd7 (20...Ng4 21.Rf1+=) 21.Nc2= Qd3 (21...Qh5 22.Ne3=) 22.Na3 Nd5?? (better is 22...Qf5=) 23.Ne4+– (23.cd5? Rc3 24.Qb2 Ra3–+) 23...Qd1 24.Rd1 Nc3 25.Nc3 e6 (25...b6 26.g4+–) 26.Ne4 Ke7 27.Qh3 Bg7 28.Qh4 Nf6 29.c5 d5 30.Nd6 Rc7 31.b6 Rd7 32.Nab5 h6 33.Qh3 Ne8 34.Ne8 Re8 35.Qc3 Ra8 36.Nc7 Rc8 37.Qa5 e5 38.de5 Be5 39.Qe1 Kf6 40.Nd5 Ke6 41.f4 Rd5 42.Rd5 Kd5 43.Qe5 Kc6 44.Qd6 1–0. Djurkovic,Maks (2205) – Vombek,Danijel (2340), SLO–chT East, 2005. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 c5 7.a3 a5)

8.b5 Nbd7 9.Be2 Nb6 10.0-0 Bf5 11.Nbd2 Rc8 12.Rc1 Re8 13.Bc3 Nbd7 (13...a4 14.Nh4=) 14.Nh4+= cd4 15.ed4 Ne4 16.Ne4 Be4 17.f3 e5 18.fe4 Qh4 19.d5 (better 19.Bg4 ed4 20.Bd7 dc3 21.Qd5+–) 19...Qe4=+ 20.Ba5 Nc5 (20...Qe3 21.Kh1=+) 21.Bb4 f5 22.a4 b6 23.Kh1 Qh4 24.Bc5 (24.a5 ba5 25.Ba5 e4=) 24...Rc5=+ (worse 24...bc5 25.a5+=) 25.Qb3 e4 26.g3 Qe7 27.Rc2 Bd4 (27...Qf6 28.Qb4=+) 28.Ra2 Ra8 29.Rb1 (29.g4 fg4 30.Rd2 Bg7 31.Bg4 Qe5=+) 29...Ra5 30.Qd1 Bg7 31.Qd2 Qe5 32.Qf4 (32.Rf1!?=+) 32...Qf4–/+ 33.gf4 Rc7 34.Kg2 Kf7 35.Kg3 h6 36.h4 Bd4 37.Rd1 Be3 38.Rf1 Kf6 39.Ra3 Bc5 40.Ra2 Rca7 41.Bd1 Rg7 42.Rh2 Ra8 43.Re1 Bd4 44.Bb3 Ke7 45.Kg2 g5 46.hg5 (46.fg5!? Re8 47.Bd1–/+) 46...hg5–+ 47.fg5 Rg5 48.Kf1 Rag8 49.Ke2 f4 50.Kd1 Rg1 51.Rh7 Kd8 52.Rf7? (better 52.Rh1 Re1 53.Re1–+) 52...f3 53.a5 ba5 54.Kd2 (54.Ba4–+) 54...R8g2 Black plans f2 55.Kd1 f2 (55...f2 56.Rf2 Re1 (56...Rf2 57.Rg1 e3 58.Re1–+) 57.Ke1 Rf2–+) 0–1. Kossobudzki,Robert (2105) – Bogdanov,Egor (2380), Wroclaw Poland, Adolf Anderssen Memorial, 2018. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 c5 7.a3 a5)

8.b5 Bg4 9.h3 Bf5 10.Nbd2=.

8.Nc3 ab4–/+ 9.ab4 Ra1 10.Ba1 cd4 11.ed4 e5 12.d5? Na6–/+ 13.Na2 (13.Qb3 Qb6–+) 13...Qb6 14.Qb3 (14.Qd2 Bf5 15.Be2 Ra8–+) 14...Bg4 (14...Ng4!? 15.Qb2 Bf6 16.h3–+) 15.Be2 Bf3 (15...Ra8 16.0-0–+) 16.Bf3 e4 17.Be2 (17.Bd1 Ra8 18.Bb2 Nd7 19.Bg7 Kg7+=) 17...Ng4 18.c5? (better is 18.Bg4!? Ba1 19.0-0–/+) 18...Nc5–+ 19.Qg3 Nd3! 20.Bd3 Ba1 21.Qg4 ed3 22.0-0 Bd4 23.Qe4? Ra8 24.Nc1 d2 25.Nd3 Bc3 26.Rd1 Qb5 27.Qf3 Re8 28.Rf1 Re1 (28...Re1 29.Re1 de1N 30.Ne1 Be1–+) 0–1. Meshcheriakova,E (2305) – Severiukhina,Z (2265), TCh–RUS w, Sochi RUS, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.bc5 dc5 9.Nc3 cd4 10.ed4 Bg4 11.Be2 Nc6 12.Nb5 e6 13.0-0 Ne8 14.a4 Nc7 15.Ba3 Nb5 16.cb5 (16.Bf8? Nc3 17.Qe1 A) 17...Kf8 18.Qc3 Bf3 19.Qa3 Qe7 20.Bf3+= (worse is 20.Qf3 Nd4 21.Qe4 Ne2 22.Qe2 Ba1 23.Ra1 Qb4–/+); B) 17...Ne2 18.Qe2 Qf8–+) 16...Ne7 17.h3 Bf3 18.Bf3 Qd7 19.Qb3 Rfd8 20.Rad1 Nd5 ½–½. Hort,Vlastimil – Voboril,Pavel, Harrachov U26, 1966. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 c5)

8.bc5= dc5 9.Nc3 cd4 10.ed4 Nh5+=.

8.bc5= dc5 9.Nbd2 e6 (9...cd4!? 10.ed4 Nh5=) 10.Be2+= Nc6 11.dc5 (11.0-0 Qe7+=) 11...Qe7= 12.0-0 e5 13.Ng5 (13.Qc2!?=) 13...Rd8+= 14.Qc2 Bf5 15.e4 Bd7 16.Rfd1 (16.Ngf3 Qc5 17.Rab1 Ra7+=) 16...a4 (16...Nd4 17.Bd4 ed4 18.Ngf3–/+) 17.Nf1 (17.Rab1!?+=) 17...Nd4–/+ 18.Bd4 ed4 19.Bd3 Qc5 20.Nf3 Rac8 21.Qb2 Bc6 22.N1d2 Qh5 23.Rab1 (23.Nd4?? Ng4 24.N2f3 Bd4 25.Nd4 Qh2 26.Kf1 Qh1 27.Ke2 Qg2–+) 23...Nd7 24.Qc2 (24.Nd4?? Bd4 25.Qd4 Ne5–+) 24...Nc5 25.Nf1 Qg4 26.Ng3 h5 27.h3 Qf4 28.Re1 Re8 29.Ne2 Qd6 30.Ng3 Rcd8 31.Rb4 (31.Qd2 Nb3 32.Qa2 Qf4–+) 31...Na6 32.Reb1 (better is 32.c5 Nc5 33.Nf1–+) 32...Nc5 (32...Nb4 33.ab4 a3 34.Qb3–+) 33.Re1 Na6 34.Reb1 Nc5?? (34...Nb4 35.ab4 b6 36.c5 bc5 37.bc5–+) 35.Re1 Re7 36.Rd1 (36.Rbb1 Bf6 37.Qd2 Nd7–+) 36...Rde8 (36...Bf6 37.h4–+) 37.Qb1 Qf4 (better is 37...h4 38.Nh4 Be5–+ (38...Ne4 39.Ne4 Re4 40.Be4 Be4 41.Re1 Bb1 42.Re8 Bf8 43.Rb1–+)) 38.Ne2+= Qd6 39.Bc2?? Increasing the pressure on the isolated pawn on d4 (39.Ng3 Bf6 40.h4–+) 39...Be4?? (better is 39...Ne4 40.Nfd4 Qc5 41.Nc6 Qf2 (41...bc6?! 42.Be4 Re4 43.Ng3 Rc4 44.Rc4 Qc4 45.Qc1–+; 41...Qc6?! 42.Be4 Re4 43.Ng3–/+) 42.Kh1 bc6 43.Be4 Re4–+ (43...Qe2?! 44.Bc6 Qd1 45.Qd1 Re1 46.Qe1 Re1 47.Kh2+=)) 40.Ned4–/+ Bc2 41.Nc2 (41.Qc2?? Bd4 42.Rbb1 Nb3 43.Nd4 Nd4–+) 41...Qf4 42.Ne3 (42.Ncd4 Rd8 43.Nb5 Rd1 44.Qd1 Rd7–/+) 42...Re3 43.fe3 Qe3 44.Kh1 Bc3 (44...Qa3!? 45.Rb5 Bh6–/+) 45.Rb7+= Nb7 46.Qb7 Qf2 47.Qd5 (47.Qc6 Re2 48.Rg1 Qa7+=) 47...Bf6 (47...Kg7 48.c5–/+) 48.Rg1 (48.Qc6 Re2 49.Rg1 Kg7 50.Qa4 Rc2+=) 48...Kg7 49.c5 Rd8 (49...Qc2 50.c6–/+) 50.Qc4+= Qb2 (50...Qe3 51.Qa4 Rd3 52.Qb5+=) 51.Qa4 Rc8 (51...Rd3 52.c6+=) 52.Qc4= Qa3 Exerts pressure on the isolated pawn 53.Rc1 Bb2 54.Rc2 Qa1 55.Kh2 Be5 56.g3 Bf6 (56...Bc7 57.Kg2=) 57.c6+= Rc7 58.Kg2 Qa3 59.Qe4 Qd6 60.Qc4 Qe6 (60...Qa3 61.g4+=) 61.Qe6+= fe6 62.Nd2 Kf7 63.Ne4 Ke7 64.Kf3 Bd4 (64...Be5 65.Ke2=) 65.Kf4+= Bf6?? (better is 65...Rc8+=) 66.Nf6+– Kf6 67.Ke4 g5 (67...Rc8 68.c7+–) 68.g4 hg4 (68...h4+–) 69.hg4 Ke7 70.Ke5 Rc8 71.c7 Kd7 72.Rc1 Ke7 73.Rh1 Rc7 (73...Kd7 74.Rh7 Kc6 75.Ke6 Rf8+–) 74.Rh7 Kd8 75.Rc7 Kc7 76.Ke6 Kd8 77.Kf6 Ke8 78.Kg5 Kf7 79.Kh6 1–0. Markowski,Tomasz (2570) – Shvayger,Yuliya (2285), Warszawa Poland, Najdorf Mem, 2014. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 a5)

8.dc5 dc5 9.Qd8 Rd8+=.

7.a3 cb4

8.ab4 a5 9.g3 (better 9.Bd3+=) 9...ab4?? (better 9...Bf5=) 10.Ra8+- Na6 11.Nbd2 Qc7 12.Nb3 (better 12.e4 Nd7+-) 12...Nd7 13.Be2 Nb6 14.Rc8! Rc8 (14...Nc8 15.0-0 Combination; 14...Qc8 15.Qc2 Combination; 14...Rc8 15.Nfd2 Combination) 15.0-0 (better 15.Nbd2+-) 15...Nc4 16.Qa1 Nb2 (16...d5 17.Rc1 Qd7 18.Ne5+-) 17.Qb2 (17.Rc1 Qd7 18.Qb2 d5+-) 17...e5 (17...Qc2 18.Rb1+-) 18.de5 de5 19.Rc1 Qd7 20.Rc8 (20.Ne5 Rc1 21.Nc1 Be5 22.Qe5 Qd2 23.Qe8 Kg7+/-) 20...Qc8 21.Ne5 (21.Qd2 Qe6 22.Qd8 Bf8+-) 21...Qe8 (better 21...Qc7!? 22.f4 Qc3 23.Qc3 bc3+-) 22.f4 Nc7 (22...Nb8 23.Nc5+-) 23.Nc5 Nd5 24.Kf2 Nf6 (24...Be5 25.fe5 Nc3 26.Qb4 (26.Nb7?! Ne2 27.Qe2 Qe5+/-) 26...Qe5 27.Bf3+- (27.Nb7?! Qf5 28.Qf4 Qc2+-)) 25.Nb7 (25.Qb4!? Bf8 26.Qb6 Bc5 27.Qf6 Be7+-) 25...Ne4 26.Kf3 Qa8? (26...Qe7 27.Na5 Be5 28.Qe5 Nd2 29.Kf2 Qe5 30.fe5+-) 27.Ke4 (better 27.Qb4 Nd2 28.Kf2 Be5 29.fe5+-) 27...Qb7 28.Kd3 Qd5 29.Qd4 Qb3 30.Kd2 Bf8 (30...Qa2 31.Ke1 Be5 32.fe5 Qb1 33.Kf2 Qf5 34.Qf4 Qb1+-) 31.Bc4 (31.Bc4 Qc3 32.Qc3 bc3 33.Kc3+-) 1-0. monsienne (2460) - qwelcer_gl (2430), 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 c5)

8.ab4= Qb6 9.b5 a5 10.Nc3 Qc7 11.Be2 Nbd7 12.0-0 b6 (12...Nb6!? 13.Nd2 Be6=) 13.Qb3 e5 14.Na4 (14.Rfc1 ed4 15.ed4 Re8+=) 14...Bb7 15.Rfd1 Rac8 (15...ed4!? 16.Bd4 Ne4=) 16.de5+= de5 17.Ba3 Bf3 18.Bf3 Rfe8 19.Bc6 Bf8 20.Bf8 Rf8 21.Qa3 (21.Bd7!? Nd7 22.Rd7 Qd7 23.Nb6 Qc7 24.Nc8 Rc8+–) 21...Nb8 22.Rd6 Kg7 23.Bf3 Nbd7 (23...Rfd8 24.c5 bc5 25.Rd8 Qd8 26.Nc3+= (worse is 26.Nc5 Qd6 27.Nb3 Qd3=)) 24.Rc6+/- Qb8 25.Rd1 e4 26.Be4! Ne5? 27.Rb6+– Qc7 28.Bd5 Nd5 29.cd5 Qc2 30.Qa1 Kg8 31.Nb2?? Ng4= 32.Nd3 Qc7 33.Rc6 Qh2 34.Kf1 Qh1 35.Ke2+/- Qg2 36.Qd4?? Rfe8?? 37.Ke1 ½–½. Espinoza Palomino,Willyam (2325) – Zarate,Fernandoh (1720), Asuncion PAR, South America Ch U20 (b), 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

7.a3 b6

8.Nc3 Bb7 9.Be2 Nbd7 (9...Na6 10.b5 Nc7 11.0-0=) 10.Qc2 a6 11.bc5 bc5 12.d5 e6 13.e4 Re8 14.0-0 Rb8 15.Rab1 ed5 (15...Qe7 16.Rfd1=) 16.ed5 Bc8 17.h3 Qa5 18.Bd3 Nf8 19.Nd2 Qc7 20.Nce4 N8d7 21.Bc3 Nh5 22.Rb8 Qb8 23.Rb1 Qc7 24.Bg7 Ng7 25.Qa4 f5 26.Qc6 Qa5? (better is 26...Qd8 27.Nd6 Ne5+=) 27.Nb3+– Qa3 (27...Qd8 28.Nd6 Ne5 29.Qc8 Qc8 30.Nc8 Nd3 31.Nd6+/-) 28.Nd6 Ne5 29.Qc5 Qc5 30.Nc5 Rd8 31.Rb8 Rd6 32.Rc8 Kf7 33.Rc7 Kf6 34.f4 Nd3 35.Nd3 Ne8 36.Ra7 g5 37.fg5 Kg5 38.Rh7 Rb6 39.Kh2 Rb3 40.Nc5 Rc3 41.Na6 Rc4 42.Re7 Nf6 43.Nc7 Ne4 44.Ne6 Kf6 45.Re8 Nd6 46.Ra8 Ke5 47.Ra5 Nb7 48.Ra7 Kd5 49.Ng7 Nd6 50.Ra5 Ke4+/- 51.h4 Kf4 52.Rd5 Rc6 53.Ne6 Kg4 54.Nd4 Ra6 55.Nf3 Ne4 56.Rd7 Ra1 57.Rg7 Kf4 58.Ng5 Nf2 59.g3 Ke5 60.Re7 Kf6 61.Re6 Kg7 62.Re2 Ng4 63.Kg2 Ra3 64.Ne6 Kf6 65.Nf4 Ra6 66.Nd5 Kg6 67.Rb2 Ne5 68.Rb6 Rb6 69.Nb6 Kh6 70.Nd5 Kg6 71.Nf4 Kf6 72.Kf2 Nc4 73.Nd3 Nb6 74.Kf3 Nd5 75.Nf4 Nc3 76.Ke3 Ke5 77.Nd3 Kf6 78.Kf3 Nd5 79.Nc5 Ke5 80.Nd7 Ke6 81.Nf8 Kf7 82.Nh7 Kg6 83.Ng5 Kf6 84.Nh3 Nb6 ½–½. Djurkovic,M (2145) – Orel,O (2310), ch–SLO Kranj SLO, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.c4 d6 5.Bb2 0-0 6.e3 c5)

8.Nbd2 Bb7 9.Qc2 Nbd7 (9...Na6 10.bc5 bc5 11.Bd3=) 10.Rd1 (10.Bd3 cd4 11.ed4 Nh5=) 10...Rc8 11.Be2 cd4 12.Bd4 d5 (12...b5 13.Ba7 bc4 14.Bd4= (14.Nc4? d5-+)) 13.Qb1 (13.Qb2 dc4 14.Bc4 Bf3 15.gf3 Qc7=) 13...dc4 14.Nc4 Bf3 15.gf3 Qc7 16.Rc1?? (16.b5 Rfd8=) 16...Qb7?? (better 16...b5-+) 17.0-0 Rfd8 18.Rfd1 Nf8 19.Ne5 (19.b5 Ne6 20.Be5 Rd1 21.Rd1 Ng5=) 19...Ne6 20.Bb2 Nd5 (20...Rc1 21.Qc1 Rd1 22.Qd1=) 21.b5+= Nc5 22.Nc6 Rc6? (better 22...Rd7+=) 23.bc6+- Qc6 (23...Qc8 24.Bc4 e6 25.Bg7 Kg7 26.Qb2 f6 27.Qd4+-) 24.Bg7 (24.e4!? Bb2 25.Qb2 Rd6 26.ed5 Rd5+-) 24...Kg7 25.Qb2 f6 (25...Qf6 26.Qf6 Kf6+-) 26.Bb5?? (better 26.e4 Rd6 27.ed5 Rd5 28.f4+-) 26...Qc7 27.f4 (better 27.Rd2 e6 28.Bc4+/-) 27...h5? (27...Qc8!? 28.Qe2 Qh3+/-) 28.Bf1 (28.Bc4!? e6+/-) 28...Qc8 29.Bg2 Nc7 30.Rd8 Qd8 31.Qc2 N7e6 (31...Qc8 32.h3+/-) 32.Rd1 Qc7 (32...Qe8 33.f5 gf5 34.Qf5+/-) 33.Bd5 (33.f5 gf5 34.Qf5 Qe5+-) 33...Nf8 34.a4 (34.Qe2 Qd7+/-) 34...Qd7 35.a5 Qg4 (35...ba5 36.Qc3 Double attack (36.Qc5 Deflection; 36.Qc3 Decoy)) 36.Bg2 h4 37.h3 Qe6 38.ab6 ab6 39.Qd2 Nfd7 40.Qd5 (40.Qb4 Kf8+/-) 40...Kf7? (40...Qd5 41.Bd5 g5 42.fg5 fg5 43.f4 gf4 44.ef4+/-) 41.Qe6 (better 41.Qa8!? Qf5 42.Qh8+-) 41...Ke6+/- 42.Bd5 Kf5 43.Kg2 g5 44.Kf3 gf4 45.e4 Ke5 46.Bc6 Nb8 (46...Nf8 47.Rd5 Ke6 48.Rd8+/-) 47.Rd5 Ke6 48.Bb5 Kf7 0-1. zembelek (2070) - tajadod (2220), Rated Blitz game, lichess.org, 2014.

8.Nbd2 Bb7 9.Be2 cd4 10.ed4 e5 11.0-0 Re8 12.de5 Nfd7 (12...de5 13.Ne5 Nc6 14.Bf3 Ne5 15.Bb7+=) 13.Qc2 (13.c5 Ne5 14.Ne5 Be5 15.Be5 de5+=) 13...de5 14.Ne4 Qc7 (14...Nf6 15.Nf6 Qf6 16.Rfd1=) 15.Rfd1 (15.Rad1 Be4 16.Qe4 Nc6+=) 15...Be4+= 16.Qe4 Nc6 17.Rac1 Nd4 18.Nd4 ed4 19.Qc2 Qd6 20.Bf3 Rac8 21.Qb3 Ne5 22.Bd5 d3 23.g3 Qf6 24.Kg2 Qf5 25.Be5 Re5 (25...d2 26.Rd2 Be5 27.Re1+-) 26.Rd3+- Rc7 (26...Qg5 27.Rc2 Re7 28.c5+-) 27.Rf3 (27.c5!? bc5 28.Rf3 Qc8+-) 27...Qg5 28.Rc2 Ree7 (28...Rf5 29.Re2+-) 29.h4 Qe5 30.Re3 (30.c5 bc5 31.Rc5 Qd6+-) 30...Qd6 (30...Qf5 31.Re7 Re7 32.c5+-) 31.Rd2 (31.Rd3!? Qe5+-) 31...Re3+/- 32.Qe3 Qe5 33.Qf3 Qf6 34.Qd3 Qc3 35.Qe2 Qe5 (35...Qa3 36.Qe8 Bf8 37.b5+=) 36.Qe5 Be5 37.Re2 Bd4 38.Rd2 Bc3 (38...Be5!?=) 39.Rd3 Bb2 40.a4 Kg7 41.a5 Bf6 42.a6 Be7 43.c5 bc5 44.b5 c4 45.Rc3 Bc5 46.Rc4 Bb6 47.Bc6 Re7 48.Rc2 Ba5 49.Ra2 Bb6 50.Rd2 Ba5 51.Rd6 Bc7 52.Rd3 Bb6 53.Bf3 Re5 54.Rd7 Rb5 55.Bd5 Kh6 (55...Kh8!?=) 56.g4 g5 57.h5 Rb4 58.f3 Rb2 59.Kf1 Rd2 60.Rd6 Kg7 61.Rb6! Rd5 (61...ab6 62.a7 Passed pawn) 62.Rb7 Rd2 63.Ra7 Ra2 64.Ra8 Kf6 65.a7 Kg7 66.Ke1 Kf6? (66...h6 67.Kd1+/-) 67.h6 (better 67.f4!? gf4 68.g5 Kf5 69.g6 hg6 70.hg6 Ra1 71.Kd2 Ra2 72.Kd3 Ra3 73.Kc2 fg6 74.Rf8 Kg4 75.a8Q Ra8 76.Ra8+-) 67...Ra1 68.Kd2 Ra3? (68...Ke7 69.Kd3+/-) 69.Kc2?? (69.f4 gf4 70.g5 Kf5+-) 69...Ra6? (69...Ke7 70.Kc1+/-) 70.Kb3 (better 70.f4!? gf4 71.g5 Kf5 72.g6 fg6 73.Rf8 Kg5 74.a8R Rc6 75.Kd3 Kh6 76.Rf4+-) 70...Rb6 71.Kc4 Ra6 (71...Rb7 72.Kd5 Rd7 73.Kc6+/-) 72.Kb5 (72.f4!? gf4 73.g5 Kf5+-) 72...Ra1+/- 73.Kb6 Rb1 74.Kc6 Rc1 (74...Ra1 75.Kb7 Rb1 76.Kc7 Rc1 77.Kd6+/-) 75.Kd7 (better 75.Kd5 Rd1 76.Kc5+/-) 75...Rd1?? (better 75...Ra1+/-) 76.Ke8+- Ra1 77.Kf8 Kg6 78.Kg8 Ra6 (78...f6 79.Kh8 Kh6 80.Rf8+-) 79.Kh8 1-0. Gemy,J (2390) - Coro,Lucas (2280), 3rd Marcel Duchamp Cup, 2019. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

8.Bd3 Re8 9.0-0 Bg4 10.e4 (10.h3 Bc8+=) 10...e5 (10...Nfd7 11.e5 Nc6 12.Be4=) 11.de5 Nfd7 12.e6 (12.Be2!?+=) 12...Bb2= 13.ed7 Nd7 14.Ra2 Bd4 15.Nbd2 Ne5 16.h3 Nd3 17.hg4 Qf6 (17...Bg7 18.g5=) 18.g5+= Qg7 19.Nb1 Nf2 20.Rff2 Bf2 21.Kf2 Re4 22.Qd6 cb4 23.Qc6 Rae8 24.ab4 Qf8 (24...R4e6!? 25.Qd7 R6e7+=) 25.Nc3+/- (worse is 25.Ra7 Qb4 26.Nbd2 Re2 27.Kg1 Qc3=) 25...R4e6 26.Qa4 a5 27.Nd5 Rc8 28.Nd4 Rc4 (better is 28...Rd6!? 29.ba5 ba5+/-) 29.Ne6+– fe6 30.Nf6 Kh8?? (30...Kf7 31.Qd7 Qe7 32.Qe7 Ke7 33.ba5 ba5 34.Ra5 Rc1+–) 31.Qd7 Rf4 32.Kg1 Rf6 33.gf6 Qf6 34.Rf2 (34.Rf2 Qf2 35.Kf2 ab4 36.Qf7+–) 1–0. Jimenez,Joaquin Rodrigo – Bert,Marcel, FRA–Cup corr, 1994. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 c5 7.a3 b6)

8.Be2 Bb7 9.0-0 cd4= 10.ed4 Nbd7 11.d5 b5 12.cb5 Nb6 13.Nd4 Nbd5 14.Nc6 Qd7 15.Bf3 e6 16.Bd5 Nd5 17.Bg7 Kg7 18.Nc3 Bc6 19.bc6 Qc6 20.Nd5 Qd5 21.Qd5 ed5 22.Rfd1 Kf6 (22...Rac8 23.Rd5 Rfd8 24.h3=) 23.Rd5+= Ke6 24.Rd3 Rfe8 25.g4 Re7 26.Rc1 Rd7 27.Re1 Kf6 28.Rd5 h6 29.h4 Rc8 30.g5 hg5 31.hg5 Kg7 32.Re3 Rc6 33.Kg2 Rc4 34.f3 Rc6 35.Kg3 Rc4 36.b5 (36.Red3 Rc6=) 36...Rc5 37.Rc5 dc5 38.Rc3 Rd5 39.f4 Rd4 40.Kf3 Ra4 41.Rc5 Ra3 42.Ke4 Ra4 43.Ke5 Rb4 44.Rd5 Rc4 ½–½. Reefschlaeger,Helmut (2325) – Kauch,Markus, Bayern–chI Bank Hofmann 5th, 2001. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.c4 c5 7.a3 b6)

8.Be2 Bb7 9.0-0 e6 10.Nbd2 Nbd7 11.Qb3 Qc7 12.Rfc1 Rfe8 13.Bc3 Rab8 14.Qb2 e5 (14...cd4 15.Nd4 a6 16.N4f3=) 15.d5+= Rf8 16.a4 (16.b5 a6+=) 16...h6 (16...cb4 17.Bb4 Bc8 18.Qa3=) 17.Ne1 (17.b5 a5+=) 17...Ne8 (17...cb4 18.Bb4 Nc5 19.a5=) 18.a5 f5 (18...cb4 19.Bb4 f5 20.ab6 Qb6 21.Qa3+=) 19.ab6 Qb6 20.bc5 Qb2 (20...Nc5 21.Qb6 ab6 22.Rcb1+=) 21.Bb2+/- Nc5 22.Rcb1 (22.Ra7!? Rf7 23.Ra5+/-) 22...Rf7 23.Bc3 (worse is 23.Ra7 Bd5 24.Ra2 Bc6+=) 23...Rc8 24.Nc2 Ba8 25.Ra5 Bf6 26.Rba1 a6 27.R5a3 (27.Bb4 e4 28.Nd4 Bb7+=) 27...Bb7 28.Rb1 Bd8 29.Ba5 (29.Ra2 Ne4 30.Ne4 fe4+=) 29...Ba5= 30.Ra5 Nf6 31.Rb6 Rd7 32.f3 Kf7 33.Na1 Ke7 34.Nab3 Nb3 35.Nb3 Rdc7? 36.Kf2?? Nd7= 37.Rb4 Rb8 38.Ra2 Bc8 39.Rb8 Nb8 40.Na5 Rc5 41.Ke1 Rc7 42.Kd2 Nd7 43.Rb2 Kd8 44.Kc3 Ke7 45.Bd1 Nc5 46.Rb6 Kd7 47.Bc2 Ke7 48.Kb4 Bd7 49.Rb8 Be8 50.g4 f4 51.ef4 ef4 52.Ra8 g5 53.Bf5 Kf7 54.Kc3 Ke7 55.Kd4 Kf7 56.Bg6 Kg6 57.Re8 Kf7 58.Rd8 Rd7 59.Rh8 Kg7 60.Rc8 Re7 61.Rc6+= Nd7 62.Rc7 Kf6+= 63.Nc6 Rf7? 64.Rc8 Rf8 65.Rc7 Rf7 66.Rb7 Nc5= 67.Rb8 Rb7 68.Rd8 Rd7 69.Rh8 Kg7 70.Ra8 Rb7 71.Nd8 Rb3 72.Ne6 Ne6 73.de6 Kf6 74.Rh8 Rf3 75.Rh6 Ke7 76.Rg6 Rh3 77.Rg5 Rh2 78.Rf5 Ke6 79.Rf4 Rg2 80.Re4 Kd7 81.Ke3 Kc6 82.Kf3+= Rg1 83.Kf2 Rh1 84.g5 Rh8 85.Kg3 a5= 86.Kg4 a4–/+ 87.c5 dc5 88.Ra4= Kd5 89.g6 Rg8 90.Kg5 c4 91.Ra7 c3 92.Kf6?? Rg6? 93.Kg6+– Kd4 94.Kf5 c2 95.Rc7 Kd3 96.Kf4 Kd2 97.Rd7 Ke2 98.Rc7 Kd2 99.Kf3 ½–½. Kaenel,Hansjuerg (2375) – Eschbach,Dennis, Bad Zurzach op, 1995. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

8.Be2 Bb7 9.d5 e6 10.de6 fe6+=.

8.Be2 Bf5 9.Nfd2 a5 10.bc5 bc5 11.g4=.

7.a3 Qb6

8.Qb3 Na6 9.b5 cd4 10.ed4 e5 (10...Nc7 11.Be2=) 11.Be2 (11.c5 dc5 12.de5 Ng4+=) 11...ed4= 12.Bd4 Nc5 13.Qb2 Qa5 14.Bc3 Qd8 15.a4 a6 16.0-0 Re8 17.Re1 Bg4 18.Qb4 (18.Nbd2!?=) 18...Bf3–/+ 19.gf3 (better is 19.Bf3 Re1 20.Be1–/+) 19...Nh5–+ 20.Bg7 (20.ba6 Nf4 21.Kh1 Re2 22.ab7 Re1 23.Be1–+) 20...Qg5 (20...Kg7?! 21.Bf1–+; 20...Ng7?! 21.Nc3–/+) 21.Kh1 Re2 (21...Ng7?! 22.Nc3–/+; 21...Kg7?! 22.Bf1–/+) 22.Rg1 (22.Bh6 Re1 23.Qe1 Qh6–+) 22...Qf4 23.Qc3 Rf2 (23...Rf2 24.Rg2 Rf3–+ (24...Ng7?! 25.Rf2 Ne4 26.fe4 Qf2 27.Nd2–/+)) 0–1. Schneuwly,Achim (2135) – Wojtkiewicz,Aleksander (2550), Neuchatel op, 1996. (=1.d4 g6 2.Nf3 Bg7 3.e3 Nf6 4.c4 0-0 5.b4 d6 6.Bb2 c5 7.a3 Qb6)

8.Qb3 Bf5 9.Nbd2 Ne4 (9...cd4 10.Nd4 Bg4 11.Bd3=) 10.Ne4+= Be4 11.Nd2 Bf5 12.d5 Bb2 13.Qb2 cb4 14.ab4 Na6 15.e4 Bd7 16.Rb1 e6 17.Bd3 ed5 18.0-0 dc4 19.Nc4 (19.Bc4?! Be6=) 19...Qc7 20.Rfc1 (20.Qd4 Bb5+/-) 20...Be6 21.Ne3 Qb6 22.Bc4 Rae8 23.Be6 fe6 24.Nc4 Qc7 (24...Qd8 25.Qd4 d5 26.Na5=) 25.Qd4+= The pawn on d6 gets attacked 25...Rc8 (25...d5 26.ed5 Rf4 27.Qd3+=) 26.b5+/- (worse 26.Qd6 Qd6 27.Nd6 Rc1 28.Rc1 Nb4 29.Nb7 Nd3=) 26...Nb8 27.Qd6 (27.Qa7?! d5 28.Nd2 Qc1 29.Rc1 Rc1 30.Nf1 de4=) 27...Rf7 (27...Qf7!? 28.Qg3 Qc7+/-) 28.Qe6 Nd7 29.e5 (better 29.Rc2!? Nc5 30.Qg4+/-) 29...Nb6+= 30.g4 (30.h3 Nc4 31.Rb4 Qc5+=) 30...Nc4= 31.Rb4 Qc5 Exerts pressure on the backward pawn 32.Rc2 (32.Rbc4?? Qf2 33.Kh1 Qf3 34.Kg1 Rd8-+) 32...Qb4 33.Qc8 Kg7 34.Qc4 Qe1 35.Kg2 Qe5 36.Qc3 Qc3 37.Rc3 Re7 38.f4 Kf6 39.Kf3 Rd7 40.Ra3 Rd5 41.Rb3 b6 42.Ke4 Rc5 43.Rb4 (43.g5 Ke6 44.Rb4 Rc2=) 43...h5 44.g5 Ke6 45.h4 Kd6 46.Rd4 Ke6 47.Rb4 Rd5 48.Rb3 Rf5 49.Rc3 Rc5 50.Rb3 (better 50.Ra3!?=) 50...Rc4-/+ 51.Ke3 Kf5 52.Ra3 (52.Kf3 Rf4 53.Kg3 Rg4 54.Kh3 Ke5-/+) 52...Re4 (52...Rf4 53.Ra7 Rh4 54.Rf7 Kg5 55.Rb7-+) 53.Kd3-/+ Rf4 54.Ra7 Rb4 55.Rf7 (55.Rd7 Rb5 56.Rd6 Kg4 57.Rd4 Kh3-+) 55...Kg4 56.Rf6? (56.Rd7 Kh4 57.Rd5 Kg4-+) 56...Kh4 (56...Rb5 57.Rg6 Kh4 58.Ke4-+) 57.Rg6? (better 57.Rb6 Kg5 58.Kc3-/+) 57...Rb5-+ 58.Kc4 Rg5 59.Rb6 Kg3 60.Kd3 h4 61.Ke4 h3 62.Rb3 Kh4 63.Rb2 Rg2 64.Rb8 h2 65.Kf3 Rg8!! 66.Rg8 h1Q 67.Kf4 Qf1 68.Ke5 Qb5 69.Kf6 Qc6 70.Kf7 Kh5 71.Re8 Kg5 72.Re5 Kf4 73.Re6 Qc4 74.Ke7 Kf5 75.Rf6 Ke5 76.Rf7 Qc5 77.Kd8 (77.Kd7 Qa7 78.Ke8 Qb8 79.Kd7 Qb3-+) 77...Ke6 78.Rd7 (78.Rb7 Qa5 79.Kc8 Qa3-+) 78...Qa3 (78...Qb6 79.Kc8 Qc6 80.Kb8 Kd7 81.Ka7 Qb5 82.Ka8 Kc6 83.Ka7 Qb7) 79.Rb7-+ Qa5 80.Kc8 Kd6 81.Kb8 (81.Rb6 Ke5 82.Kb7-+) 81...Kc6 82.Rh7 (82.Rb3 Qd8 83.Ka7 Qd4 84.Kb8 Qf4 85.Ka7 Qa4 86.Kb8 Qb3 87.Kc8 Qg8) 82...Qb4 (82...Qe5 83.Ka7 Qa1 84.Kb8 Qb1 85.Ka7 Qh7 86.Ka6 Qb7 87.Ka5 Qb5) 83.Ka8 (83.Ka7 Qa4 84.Kb8 Qb3 85.Ka7 Qa2 86.Kb8 Qg8 87.Ka7 Qh7 88.Ka6 Qb7 89.Ka5 Qb5) 83...Qa3 84.Ra7 (84.Kb8 Qb3 85.Ka7 Qa2 86.Kb8 Qg8 87.Ka7 Qh7 88.Ka6 Qb7 89.Ka5 Qb5) 84…Qf8 0-1. Xu,Yingming (1635) - Lin,Yi (2405), ch-CHN GpB Men, 2019. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Nc3 cb4 9.Na4 Qa5 10.ab4+= Qd8 11.Be2 Bf5 12.0-0 Na6 13.Qb3 Ne4 14.Rfd1 Nc7 15.b5 b6 16.Ne1 Bd7 17.f3 Nf6 18.e4 Nh5 19.g3 e6 20.Nc2 Re8 21.c5 d5 22.c6 Bc8+/- 23.e5 Bf8 24.Bc1 Be7 25.Ne3 Ng7 26.Kh1 f6+/- 27.Ng4 Nf5 28.Ba3 fe5 29.Be7 Qe7 30.de5 Rf8 31.Qa3 Qf7 32.Nf6 Kh8 33.g4 Ng7 34.Qe3 Nge8+/- 35.g5 Ng7 36.Nb6 Nf5 37.Qf2 Rb8?? 38.Ra7 d4 39.Na4 Ra8 40.Ra8 Na8 41.b6 Nb6 42.Nb6 Qc7 43.Nbd7 Rd8 44.Bb5 Qa5 45.Bd3 Bd7 46.cd7 Qe5 47.Re1 Qd6 48.Bf5 gf5 49.Qh4 Qe7 50.Re6! (50.Re6 Qd7 51.Nd7 Rc8 52.Qd4 Kg8 53.Nf6 Kf8 54.Qd6 Kf7 55.Qd7 Kg6 56.Nh7 Kh5 57.Rh6#) 1–0. Djurkovic,M (2105) – Cokan,Mirko, 7th HIT Open Nova Gorica SLO, 2002. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 c5)

8.Nc3 cb4 9.Na4 Qc7 10.ab4 b6 (10...Be6 11.c5 Nc6 12.b5=) 11.b5 Bb7 12.Nc3 Nbd7 13.Be2 a5 14.0-0 Rfe8 15.Qd2 e5 16.Rfd1 Rad8 17.Rac1 (17.Ra4 ed4 18.Nd4 Nc5=) 17...ed4 (17...Bf3 18.gf3 Ra8 19.Na4=) 18.Qd4+= Nc5 19.Nd5 Bd5 20.cd5 Qe7 21.Qc4 Ra8 22.Rc2 (22.Qa2 a4=) 22...a4 23.Ra1 Qe4 24.Ra3 (24.Bf6 Qc4 25.Bc4 Bf6=) 24...Qd5=+ 25.Qd5 Nd5 26.Bg7 Kg7 27.Rd2 Nc7 28.Rd6 Re6 29.Rd1 f5 ½–½. Louro,Eugenio (2235) – Wegman,William (2255), EM/M/191 ICCF Email, 2002.

8.Nc3 cb4 9.Na4 Qc7 10.ab4 Nc6 11.b5 Na5 12.Nd2 Be6 Will c4 fall? 13.d5 Bd7 14.Be2 e6 15.0-0 Rfc8 16.de6 Be6 17.Rc1 a6 18.c5 ab5 19.Nb6 dc5 20.Na8 Ra8 21.Bf6 (21.Bb5? Ng4 22.Nf3 Bb2–+) 21...Bf6 22.Bb5 c4 23.Qa4 Rc8 24.Ne4 Be5 25.f4 Bg7 26.Ng5 Bd5 27.e4 Nb3 28.Rcd1 Nc5 29.Qc2 Be4 30.Ne4 Ne4 31.Qe4 Qb6 32.Kh1 Qb5 33.Rb1 Qc6 34.Qc6 bc6 35.Rb4 c3 36.Rc4 c5 37.Rd1 Bf6 38.g3 Kg7 39.Kg2 h5 40.Kf3 Rc6 41.Rd5 Rb6 42.Rcc5 Rb2 43.Rd7 c2 44.Ke4 Rb4 45.Kd3 Rb3 46.Kc2 Rb2 47.Kd3 Rh2 48.Rcc7 g5 49.f5 Be5 50.Rf7 Kg8 51.Ra7 (51.Ra7 Ra2 52.Rad7+–) 1–0. Kortschnoj,Viktor (2625) – Nunn,John DM (2600), Nuremberg rapid, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Nc3 cd4 9.ed4= e5 10.de5 de5 11.c5 (worse 11.Ne5 Re8 12.f4 Qe3 13.Ne2 Nc6-/+) 11...Qe6 Black prepares e4 12.Nb5 e4 13.Nfd4 Qe7 14.Nd6 e3 (14...Nc6!?=) 15.fe3+= Qe3 16.Qe2 Qh6 17.Qd2 Qh4? (better 17...Qd2!? 18.Kd2 Nc6+/-) 18.g3+- Qh5 19.Bg2 Ng4 (19...a5 20.0-0 Bh6 21.Qe2 Be3 22.Kh1+- (22.Qe3?? Ng4 23.Bh3 Ne3 24.Bc8 Nf1 25.Rf1 ab4 26.Bb7 Ra3-+)) 20.Qe2 Nc6 21.Nc6 bc6 22.Bg7 (22.Bc6?! Ba6 23.Qa6 Bb2=) 22...Kg7 23.h3 (better 23.Bc6 Rb8 24.Bf3+-) 23...Qe5+/- 24.Qe5 Ne5 25.Kd2 Rb8 26.Rhe1 f6 27.Kc3 Bd7 (27...Rd8 28.a4+/-) 28.g4 h6 29.Rad1 Rfd8 (29...Be8 30.a4+/-) 30.a4 (30.Nc4 Be8 31.Rd8 Rd8 32.Ne5 fe5 33.Re5 Kf6+-) 30...Be8 31.a5 (31.Rd4 g5+-) 31...Kf8? (better 31...Bf7!?+/-) 32.a6+- Bf7? (better 32...Ke7+-) 33.Re5! fe5 34.Rf1 Rd7 (34...Rd6 35.cd6 Rd8+-) 35.Bc6 Rd6 (35...Re7 36.Bd5 e4 37.b5+-) 36.cd6 Rc8 (36...Kg7 37.b5 Rd8+-) 37.b5 Kg7 38.Kb4 (better 38.d7 Rd8 39.b6 ab6+-) 38...e4 (38...Be6 39.Rc1+-) 39.Re1 1-0. Mirzoev,A (2455) - Navalgund,N (2230), 5th IIFL Wealth Mumbai Op, 2020. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Nc3 Bd7

9.Na4 Ba4 10.Qa4 Na6 11.Bd3 cb4 12.0-0 ba3 13.Ba3 Qc7 14.Rfc1 Nb8 15.Rab1 Nbd7 16.c5 dc5 17.Bc5 Nc5 18.Rc5 Qb8 19.Ba6 Ne4 20.Bb7 Nc5= 21.dc5 a5 22.c6 Ra7 23.Qc4 Rc8 24.Ng5 e6 25.Ne6 Be5 26.Qd5 Re8 27.Ng5 Re7 28.f4 Qd6 29.Qb3 Bf6 30.Nf7 Rf7 31.Qb6 Qb8 32.c7 ½–½. Gofman,Albert – Lavis,Jon (1700), OP–2009–0-00916, 2009. (=1.d4 g6 2.Nf3 Bg7 3.e3 Nf6 4.c4 0-0 5.b4 d6 6.Bb2 c5)

9.Na4 Ba4 10.Qa4 Nc6 11.d5 Nb8 12.Rb1 Nbd7 13.Bd3 Qc7 14.0-0 a6 (14...Ng4 15.h3 Bb2 16.hg4=) 15.Qb3 Rfb8 16.b5 (16.h4 Ng4+=) 16...ab5= 17.Qb5 Ra5 18.Qb3 Rba8 19.h3 b6 20.Nd2 Ne8 21.Bc1 Qa7 22.Bc2 Qb7 23.Qd3 (23.Nf3 Nef6+=) 23...Ne5 (23...b5 24.cb5 Nc7 25.a4 Nd5 26.Nc4 Ra4 27.Ba4 Ra4 28.Bb2=) 24.Qe2+= Nc7 25.f4 (25.a4 Na6+=) 25...Nd7 26.a4 e6 (26...Na6 27.Ba3+=) 27.de6 fe6 (worse is 27...Ne6 28.Be4 Qc7 29.Ba8 Ra8 30.Bb2+–) 28.h4 Nf6 (28...Na6 29.Nf3 Nb4 30.Bd2+/-) 29.Bb2+/- Nce8 (29...Nh5 30.g4 Ng3 31.Qf3 Qf3 32.Rf3 Bb2 33.Rb2 Ne2 34.Kf2+/-) 30.e4+– Rd8 31.Bc3 Ra6 32.e5 Nd7 33.h5 Nf8 34.Ne4 d5 35.Nc5! Qc8 36.Na6 Qa6 37.Rfd1 Rc8 38.hg6 hg6 39.Rb4 Rc6 40.Bd3 Qa7 41.Bd4 Kf7 42.Qg4 dc4 43.Rc4 Qc7 44.Rc6 Qc6 45.Bb5 (45.Bb5 Qe4 46.Qe2+–) 1–0. Nikitin,Alexander2 (2000) – Kukla,Piotr (2005), Krakow op–B Poland, 2000.

9.Qb3 a5 10.b5 Bf5 (10...cd4!? 11.ed4 Bg4=) 11.Na4+/- Qc7 (11...Qd8 12.dc5 dc5 13.Nc5+/-) 12.dc5 dc5 13.Be5 Qd8 14.Nc5 Nbd7 (14...Qc8 15.Bd4+/-) 15.Nd7 (15.Nb7?! Qc8 16.Na5 Ra5+= (worse is 16...Ne5 17.Ne5 Ra5 18.Nc6+/-)) 15...Nd7 (15...Qd7!? 16.Rd1 Qe6+/-) 16.Bg7 Kg7 17.Be2 (17.Rd1 Qc7+/-) 17...e5 18.Qc3 (18.Rd1 Qc7+/-) 18...f6 19.0-0 (19.Rd1 Qc7+/-) 19...Qe7 (19...Qc7 20.Rad1+/-) 20.Rfd1 (20.Rad1 Nc5+/-) 20...Rfc8 21.Qd2 Nb6 22.Nh4 Nc4 23.Nf5+– gf5 24.Qd7 Qd7 25.Rd7 Kg6 26.h4 h5 27.Rb7+– a4 28.Rd1 Na3+/- 29.Rdd7 Rh8 30.b6 e4 31.Rg7+– Kh6 32.Rgf7 Kg6+/- 33.Rg7 Kh6+– 34.Rgf7?? Kg6= 35.Rg7 (35.Rbd7 Rad8 36.Rg7 Kh6 37.Rdf7+–) ½–½. Kaenel,Hansjuerg (2375) – Arbakov,Valentin (2500), Bern op, 1995. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

9.Qb3 Na6 10.b5 Nb8 11.dc5 dc5 12.Nd5 Nd5 13.Bg7 Kg7 14.cd5 Qa5 15.Nd2=.

9.dc5 dc5 10.Na4 Ba4 11.Qa4 Rd8=.

7.a3 Nc6

8.d5 Nb8 9.bc5 Qa5 10.Nbd2 Qc5 11.Bd3 Bg4 12.h3 Bf3 13.Nf3 Qa5 14.Qd2 Qd2 15.Kd2 Nbd7 16.Rab1 Nc5 17.Ng5 b6 18.Bd4 h6 19.Bc5 dc5 20.Nf3 Nd7 21.Ke2 Ne5 22.Ne5 Be5 23.f4 Bc3 24.g4 Rad8 25.h4 Kg7 26.Rb3 Ba5 27.h5 Rd6 28.e4 e6 29.e5 Rd7 30.d6 f5?? (better is 30...gh5 31.Rh5 f6+–) 31.gf5+– gf5 32.Rg1 Kh7 (32...Kh8 33.Rg6 Kh7 34.Kf3+–) 33.Rg6 Re8 34.Re6!! Re6 35.Bf5 Kg7 36.Be6 (36.Be6 Rd8 37.Rg3 Kh8 38.Bf7 Bc3 39.e6 Kh7 40.Rc3 Rf8 41.d7 Kh8 42.e7 Kg7 43.e8Q b5 44.Rg3 Kh7 45.Qf8 bc4 46.Qg7) 1–0. b4_player – guest, casual, 2013.

8.d5 Nb8 9.Nbd2 e6 10.de6 fe6 11.Be2 Qe7 12.0-0 b6 13.Qb3 Bb7 14.Rad1 Nbd7 15.Ne1 e5 16.Nb1 e4 17.Nc3 Ne5 18.Nb5 Ne8 19.a4 Rf7 20.Rd2 a6 21.Nc3 Qh4 22.Nd5 Bc6 (22...Bd5 23.Rd5 Rd8 24.Rd2=) 23.f4 (23.Nb6 Rb8 24.a5 cb4 25.Qb4 Qg5+=) 23...Nd7 24.b5 Bd5 25.Rd5 ab5 26.ab5 Bb2 27.Qb2 Qf6 28.Qd2 Qe6 29.g4 Ndf6 30.f5 Qe7 31.fg6 hg6 32.Rg5 Kh7 33.Ng2 Nd7 34.Rf7 Qf7 35.Nf4 Ra1 36.Kg2 Qf6?? 37.h4?? Ne5 38.Qd5+= Ra2 39.Kf1 Nf3 40.Rg6 Qa1= 41.Qd1 Qd1 42.Bd1= Ra1 43.Ke2 Ra2 44.Kf1 Ra1 45.Ke2 Ra2 46.Kf1 Ra1 (46...Nh4? 47.Re6 Ra1 48.Ke2 Ra2 49.Ke1+–) ½–½. Kaenel,Hansjuerg (2380) – Gunawan,Ruben (2345), SUI–ch op Luzern, 1994. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

7.a3 Qc7

8.Be2 a5 9.bc5+= dc5 10.Nc3 Bd7 11.0-0 b6 (11...Rd8 12.d5+–) 12.Ne5 Be8 (12...cd4 A) 13.Qd4?! Ng4 14.f4 Ne5=+ (worse 14...Be5 15.fe5 Qe5 16.Bg4 Qd4 17.ed4 Bg4 18.Nd5+=); B) 13.ed4 Nc6 14.f4+–) 13.f4+– Nfd7 (13...cd4 A) 14.Qd4?! Nc6 15.Nc6 Bc6+= (15...Qc6? 16.Bf3 Qe6 17.Ba8+–); B) 14.ed4 Nc6 15.Bf3+–) 14.Bf3 (14.Rb1 Ne5 15.Nd5 Qb7 16.fe5 e6 17.Nf6 Bf6 18.ef6 Bc6+–) 14...Ra6 (14...Ne5 15.fe5 (15.Ba8 Nc4 16.Bc1 cd4 17.ed4 Bc6 18.Bc6 Nc6–/+; 15.de5?! Bc6+–) 15...Nc6 16.Nd5+–) 15.Qe2 (15.Nd5 Qd8+–) 15...Ne5 16.fe5 e6 (16...Bc6 17.Nd5 Qd7 18.Rad1+–) 17.Rf2 Nc6 18.Ne4 Ra8 19.Rd1 (19.Nf6 Kh8+–) 19...Rd8 (19...Kh8 20.Nf6 Rd8 21.Be4+–) 20.Nf6 White prepares d5 20...Kh8 21.Be4 Ne7 22.Ne8 Rde8 23.d5 Nf5 (23...ed5 24.cd5 Nc8 25.d6+–) 24.d6 Qd7 25.Qf3 Rb8 26.Bc6 Qd8 27.Qe4 White prepares the advance d7 27...Kg8 28.d7 Qc7 29.Ba4 Rbd8 (29...h5 30.Bc3+–) 30.g4 Ne7 (30...Nh4 31.Bc3+–) 31.Bc3 Kh8 (31...Qa7 32.Rfd2+–) 32.Bb5 (32.h4 Kg8+–) 32...Kg8 33.h4 Qb8 34.Ba4 Qc7 (34...Bh6 35.Kg2+–) 35.h5 Qb8 (35...Bh6 36.hg6 Ng6 37.Rh2+–) 36.Rh2 g5 (36...h6+–) 37.Bc2 (37.Bc2 Ng6 38.hg6 hg6 39.Ba4+–) 1–0. Pierre – Toryam, internet, 2020.

8.Be2 b6 9.0-0 Nbd7 10.Nc3 Bb7 11.Nb5 Qb8 12.d5 a6 13.Nc3 Qc7 14.b5 Ne4 15.Ne4 Bb2 16.Ra2 Bg7 17.a4 (17.ba6 Ra6 18.Qb3 Nf6=) 17...ab5+= 18.ab5?? (better is 18.cb5 c4 19.Rc2 Ra4 20.Nc3+=) 18...Ra2–+ 19.Nfd2 Rfa8 20.Nb3 Nf6 21.Nc3 Rb2 (21...Rb2 22.Nc1 Ra1–+) 0–1. Fromm,Eberhard – Carvalho,Joao de Deus, ICCF World Cup8–9 prel–106, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Be2 Nbd7 9.Nc3 a6 10.0-0 cd4 11.Nd4 Ne5 12.Rc1 Bg4 (12...e6!?+=) 13.Nd5+/- Nd5 14.cd5 (14.Bg4?! Nb6 (14...Nc4? 15.Ne6 Nb2 16.Qd5+–) 15.Bh3 Rad8+=) 14...Qd7? (better is 14...Be2 15.Rc7 Bd1 16.Rd1 b5+/-) 15.f3+– Bh6 16.Rc3 (16.fg4?! Be3 17.Kh1 Bc1 18.Qc1 a5+/-) 16...Rac8 17.Rb3 Bf5 (17...Bh5 18.g4 Bg4 19.fg4+–) 18.e4 (18.Nf5?! gf5 19.f4 Nc4+/-) 18...Ng4 (18...Bh3+–) 19.Nf5 (19.ef5?! Be3 20.Kh1 Nf2 21.Rf2 Bf2+–; 19.fg4?! Be4 20.Rh3 Bg7+–) 19...gf5 20.fg4 fe4 21.Qd4 f6 22.Qe4 (22.Qe4 Bg7 23.b5+–) 1–0. Kaenel,Hansjuerg (2405) – Hirt,Stefan (2140), Verbandsliga Sued Baden, 2000. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.c4 c5)

7.a3 cd4

8.ed4 a5 9.b5 e5 10.Be2 e4 11.Nfd2 Re8 12.Nc3 Nbd7 13.0-0 Nb6 14.c5 Nbd5 15.Nc4 Nc3 16.Bc3 Nd5 17.Bd2 dc5 18.dc5 Bf8 (18...Ba1 19.Qa1 Qf6 20.Nd6 Qa1 21.Ra1=) 19.c6= bc6 20.bc6 Re6 21.Bc3 Qg5 (21...Rc6 22.Qd4 f6 23.Rfd1=) 22.Bd2 Qe7 (22...Nf4 23.Bf4 Qf4 24.Qd5=) 23.Qa4 Qc7 24.Qb5 Qc6 25.Na5 Qb5 26.Bb5 Ba6 27.Rfb1 e3 28.fe3 Ne3 29.Bd7 Re5 30.Nc6 Rd5 31.Be3 Rd7 32.a4 Re8 33.Nb8 Rd5 34.Na6 Re3 35.Ra2 Ra5 36.Nc7 Re4 37.Kf2 Raa4 38.Ra4 Ra4 39.Rb2 Bc5 40.Kf3 f5 41.Nd5 Rd4 42.Rb8 Kf7 43.Rb7 Ke6 44.Nc7 Kf6 45.Na6 Be7 46.Nc7 Rd3 ½–½. Lifshitz,Samuel (1685) – Winbush,Jerome (1805), SC–2011–0-00110, 2011.

8.ed4 a6 9.Nc3 (9.Be2 d5=) 9...Bg4 (9...d5 10.c5=) 10.Be2 e6 (10...Nc6 11.d5 Bf3 12.gf3= (worse is 12.Bf3 Ne5–/+)) 11.0-0 (11.h3 Bf3 12.Bf3 Qc7+=) 11...Qc8 (11...Qc7 12.Re1+=) 12.Re1 Nbd7 13.h3 (13.Qb3 Re8+/-) 13...Bf3 14.Bf3 (14.gf3?! Qc7=) 14...Rb8 (14...Nb6 15.c5 dc5 16.bc5+=) 15.c5+/- dc5 16.dc5 Rd8 (16...Qc7 17.Qe2+/-) 17.Qe2 Qc7 (17...Ne8 18.Na4+/-) 18.Rad1 Rbc8 19.Na4 b5?? (better is 19...Ne8+/-) 20.cb6+– Nb6 (20...Qb8 21.b7 Rc7 22.Nc5 Nc5 23.Rd8 Qd8 24.bc5+–) 21.Be5 Qa7 22.Qe3 Nfd5 (22...Nfd7 23.Bg7 Kg7 24.Rd7 Qd7 25.Nb6+–) 23.Bd5 Be5 24.Nb6 (24.Qe5?! Nd5 (24...Rd5? 25.Qe3 Rb5 26.Rd6+–) 25.Nc5 Rc6=; worse is 24.Qb6 Qb6 25.Nb6 Bc3 26.Nc8 Be1+–) 24...Rb8 25.Qe5 Qb6 26.Bc4 1–0. Janek – Jethon, internet, 2017.

8.ed4 Nc6 9.d5+= Nb8 10.Be2 a5 11.0-0 ab4 12.ab4 Ra1 13.Ba1 Qb6 14.Qb3 Ng4 (better 14...Na6!? 15.Bc3 Bf5+=) 15.Bg7+/- Kg7 16.Nbd2 (16.c5 dc5 17.Qc3 Qf6 18.bc5 Qc3 19.Nc3 Bf5+/-) 16...Nd7 (16...Na6 17.Qc3 Kg8 18.Nd4+=) 17.Ne4 Nge5 (17...Ndf6 18.Qc3+/-) 18.Nd4?? (better 18.Ne5 Ne5 19.c5 dc5 20.Qc3+/-) 18…Qd4-+ (18...Qd4 19.Qc2 f5-+) 0-1. peoncuatrorey (1905) - Bikfoot (2185), Rated Bullet game, lichess.org, 2015. (=1.Nf3 d6 2.c4 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c5)

8.ed4 Bg4 9.Nbd2 Nc6 10.h3 Bd7 11.d5 Nb8 12.Bd3 e5 13.0-0 b6 14.Re1 a5 15.c5 (15.b5 Qc7+=) 15...bc5 16.bc5 Nd5 17.cd6 Bc6 18.Nc4 (18.Re5?! Qd6 19.Nc4 Qc7=) 18...Nd7? (better is 18...f6!?+=) 19.Be4+– N7f6 20.Nfe5 Ne4? (better is 20...Bb7 21.Bf3 Rb8+–) 21.Nc6 (21.Re4?! Bb7 22.Qd2 f6+/-) 21...Ndc3 (21...Qh4 22.g3 Ng3 A) worse is 23.fg3 Qg3 24.Kh1 Qh3 25.Kg1 Qg3 26.Kh1 Qh4 27.Kg1 Qc4 28.Qd5 A1) 28...Qd5? 29.Ne7 Kh8 30.Bg7 (30.Nd5? Bb2 31.Rab1 Ba3–+) 30...Kg7 31.Nd5+–; A2) 28...Qg4 29.Qg2 Qg2 30.Kg2 Bb2+=; B) 23.Qd5 Bb2 24.Nb2+– (24.fg3 Qg3 25.Qg2 Qg2 26.Kg2 Ba1 27.Ra1 Rfc8 28.N4a5 Ra5 29.Na5 Rc2 30.Kf3 Rc5+–)) 22.Nd8 Nd1 23.Bg7 (23.Red1?! Bb2 24.Nb2 Rfd8+/-; 23.Re4?! Nb2 24.Nb2 Rfd8=) 23...Rfd8 24.Rad1 (24.Red1?! Kg7 25.Rd4 Nc3+–) 24...Kg7 (24...Nf2 25.Kf2 Kg7 26.a4+–) 25.Re4 1–0. usingprogram – trouba, kurnik, 2011.

8.ed4 Bg4 9.Be2 Nbd7 (9...a5 10.b5+=) 10.0-0= Rc8 11.Nbd2 Re8 (11...Nb6 12.Qb3=) 12.h3 Bf3 13.Bf3 b6 14.Rc1 (14.Re1 e5+=) 14...e5= 15.Re1 ed4 16.Bd4 Ne5 17.Be2 (17.Qc2 Qc7=) 17...d5 (17...Bh6 18.Rc2=) 18.cd5 (18.c5 Nc6 19.Ba1 Nd7 20.Bg7 Kg7+=) 18...Nd5 (18...Rc1 19.Qc1 Nd5 20.Bf1=) 19.Rc8+= Qc8 20.Bb5 Re6 (20...Nc6 21.Re8 Qe8 22.Bg7 Kg7 23.Nf3+=) 21.Be5 Re5= 22.Re5 Be5 23.Nf3 Nc3 24.Qc2 Qd8 25.Ne5+= Nb5 26.Nf7 Kf7 27.Qc4 Kg7 28.Qb5 Qd1 29.Kh2 Qd6 30.g3 Qd4 31.Kg2 Qe4 32.Kg1 Qe1 33.Qf1 Qc3 34.Qa6 Qe1 35.Kg2 Qe4 36.Kh2 Qe7 37.h4 Qf7 38.Kg1 Kh6 39.Qd3 Qc7 40.Qd2 Kg7 41.Qd4 Kg8 42.a4 a6 43.b5 ab5 44.ab5 Kf7 45.h5! Qc1 46.Kg2+– gh5? 47.Qb6 Qd1 48.Qc6 Kg7 49.Qf3 Qd4 50.Qh5 Qe4 51.Qf3 Qb4 52.Qc6 1–0. Spiridonov,Nikola (2230) – Nancheva,Doroteya (1815), 11th Kesarovski–Stanchev Mem, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.ed4 Nh5 9.g3 e5 10.de5 Nc6 11.Nc3 Bg4 (11...Re8 12.Be2=) 12.Be2 de5 13.h3 Bf3 (13...Bd7 14.Qd2=) 14.Bf3 e4 15.Qd8 Rad8 16.Bh5 gh5 17.Na4 Nd4 (17...Ne5 18.Be5 Be5 19.Rd1=) 18.0-0-0 b6 (18...h4 19.g4 f5 20.gf5 Rf5 21.Kb1 Rf2 22.Rhg1+=) 19.Nc3 f5 20.Nd5 Ne6 Black prepares f4 21.Ne7 Kh8 22.Bg7 Kg7 23.Rd8 Nd8 24.Rd1 f4 25.gf4 Ne6 26.Rd7 Nf4 27.Nd5 Kg6 28.Nf4 Rf4 29.Ra7 Rf2 (29...Rf3+–) 30.h4 (30.Ra6 Kf5 31.Rb6 h4+–) 30...Rf3 (30...e3 31.Re7 Rf4 32.Re3 Rc4 33.Kb2+=) 31.Kd2 Rd3 32.Ke2 Rc3 33.Rb7 Kf5 34.Rb6 Rc4 (34...Ra3 35.c5+–) 35.a4 (35.Rb5!? Kf4 36.Rh5+–) 35...Kf4+= 36.Rf6 (36.a5 Rc2 37.Kd1 Rh2+=) 36...Ke5 37.Rb6 Kf4 38.Rf6 (38.a5 Rc2 39.Kd1 Rh2+=) 38...Ke5 39.Rb6 Kf4 ½–½. Sergeev,Vl (2415) – Lanka,Z (2425), TCh–AUT 2nd West, 2018.

8.ed4 Nh5 9.g3 e5 10.Bg2 e4 11.Nfd2 f5 12.0-0 (12.Nc3!?=) 12...Nc6 13.Nb3 f4 (better is 13...d5!? 14.cd5 Ne7=) 14.Be4+/- Bh3 (14...Nf6 15.Bg2+/-) 15.Bg2 (15.Bd5 Kh8 16.Re1 fg3 17.fg3 Qf6+/-) 15...Qd7 (15...Bg2 16.Kg2 d5 17.Qd3+=) 16.N1d2 (16.Bd5 Kh8 17.Re1 fg3 18.hg3 Qf5+/-) 16...Rae8 (16...Bg2 17.Kg2 d5 18.cd5 fg3 A) 19.dc6 Nf4 20.Kf3 Qh3 (20...Qc6?! 21.Ne4 Nd3 22.Kg3 Qe4 23.Bc1+=) 21.hg3 Qg2 22.Ke3 Rae8 23.Ne4 Qe4 24.Kd2 Qd3 25.Kc1 Ne2 26.Qe2 Re2 27.Nd2 Qd2 28.Kb1 Qb2; B) 19.fg3 Qd5 20.Nf3+=) 17.Re1 (17.Bd5 Kh8 18.Re1 Re1 19.Qe1 Nf6+/-) 17...fg3 (17...Re1 18.Qe1 Bg2 19.Kg2+=) 18.fg3 (18.Bd5 Be6 19.Be6 Re6 20.fg3 Ref6+/-) 18...Re1+= 19.Qe1 Bg2 20.Kg2 Qg4 21.Qe4 Nf6 22.Qf3 Re8 23.Rf1 Qf3 24.Kf3 Bh6 25.d5 Ne5+/- 26.Kg2 Nfg4 27.Bd4 Nd7 28.Kh3 Nge5 29.c5 Bf8 30.Ne4 Nf7 31.Nbd2 Rc8 32.Rc1 Be7 33.c6 bc6 34.dc6 Nde5 35.b5 d5 36.Nc3 Bg5 37.Rc2 Nd3 38.Nf3 h5 39.Nd5 Bd8 40.c7 g5 41.cd8Q Rd8 42.Nf6 Kf8 43.Nh5 1–0. Lenic,L (2570) – Valsecchi,A (2360), Open, Brescia ITA, 2009. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d6 6.e3 c5)

8.Bd4 d5 9.c5 Ne4 (9...Nc6 10.Bb2=) 10.Be2 Nc6 11.h3 (11.Bg7 Kg7 12.0-0 Bg4+=) 11...Bf5 (11...Nd4 12.ed4 b6 13.Ra2+=) 12.Nbd2 (12.Bg7 Kg7 13.0-0 f6+=) 12...Qc7 (12...Nd4 13.Nd4 Nc3 14.Qb3 Ne2 15.Ke2+=) 13.0-0 Rfe8 (13...Nd4 14.Nd4 Nc3 15.Qe1+=) 14.Re1 (14.Bg7 Kg7 15.Ne4 Be4+=) 14...Bh6 (14...Nd4 15.Nd4 Nc3 16.Qb3 Ne2 17.Re2=) 15.Nb3 Be3?? (better is 15...Nd4!? 16.Nbd4 Bg7=) 16.fe3?? (better is 16.Be3 Rad8 17.b5+–) 16...Qg3 17.Bb5 Qf2 18.Kh2 Qg3 19.Kg1 Qf2 ½–½. Shumilov,I (2310) – Klima,L (2340), Trebic CZE, Highlands IM, 2013. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 c5 7.a3 cd4)

8.Nd4 a6 9.Be2 Nbd7 10.0-0 Qc7 Nb6 12.Rc1 e5 13.Nb3 Nc4 (13...Be6 14.Nd2+=) 14.Nd5 Nd5 (14...Nb2!? 15.Nc7 Nd1 16.Na8 Nf2 17.Kf2 Be6+=) 15.Rc4+/- (15.Qd5?! Nb6 16.Qa5 Qd8=; 15.Bc4?! Nf6=) 15...Qe7 16.Qd5 Be6 17.Qd2 Bc4 18.Bc4 Rac8 19.Bd5 Rc7 20.Rd1 Rfc8 21.Na1 e4 22.Bg7 Kg7 23.Nb3 Qe5 24.g3 (24.Qd4+/-) 24...Rc3 (24...f5!?+=) 25.Qd4 (25.Bb7 R8c7 26.Na5 Rd3+–) 25...f5 26.Bb7 R8c7 27.Bd5 Qd4 28.Nd4 Kf6 29.b5 Rc1+/- 30.Rf1 ab5+= 31.h4 Ke5 32.Bg8 Rf1 33.Kf1 d5 34.Be6 Rb7 35.Bc8 Rb6 36.Bd7+/- Ra6 37.Nb5 Ra8 38.Ke2 Ra4 39.Kd2 Ra8 40.Kc3 Ra4? 41.Kb2 Rc4 42.Nd4 Rc7 43.Bb5 Rb7 44.a4 Kd6 45.Nb3 h6 46.Nd4 Kc5 47.Kc3 Rb8 48.Kd2 Ra8 49.Ke2 Kb4 50.Nc6 Kc5 51.Ne7 d4 52.ed4 Kd4 53.Ng6 Rc8 54.Kd2 Rc3 55.Ne7 Rf3 56.Ke2 f4 57.gf4 Rf4 58.h5 Rf8 59.Ke1 Rf6 60.a5 Kc5 61.Be2 Re6 62.Nf5 Rf6 63.Ne3 Kd4 64.a6 (64.a6 Rc6 65.Bb5+–) 1–0. Kaenel,Hansjuerg (2430) – Bous,Florian, La Perla Open, Lugano SUI, 2000. (=1.Nf3 Nf6 2.e3 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.c4 c5)

8.Nd4 Nc6 9.Nc6 bc6 10.Be2 a5 11.Nd2 ab4 12.ab4 Rb8 (12...Ra1 13.Qa1 e5 14.0-0=) 13.Bc3 Bf5 14.0-0 e5 15.Qa4 Qc7 16.Rfc1 Rfc8 17.h3 h5 (17...Qe7 18.Qa7 Qe8 19.Bf3=) 18.Qa5 Qe7 19.Bf1 (19.b5 d5 20.Nf3 Ne4 21.cd5 cd5+=) 19...d5 20.Qa7 Rb7 21.Qc5 (21.Qa6 Rbc7= (worse is 21...Rb4 22.Bb4 Qb4 23.Nf3+/-)) 21...Qd8+= 22.Qa5? (better is 22.cd5!? cd5 23.Qa5+=) 22...d4–+ 23.ed4 ed4 24.Bb2 Bh6 25.Rd1 Qa5 26.Ra5 Bc2 27.Rc1 d3 (27...Bd2 28.Rc2 Bb4–+) 28.Bf6? (better is 28.Bc3!?–/+) 28...Bd2–+ 29.Rca1 Bb4 30.Ra8 Rbb8 31.R8a7? (31.R8a2 Re8–+) 31...Re8 (better is 31...d2 32.Be2 Re8–+) 32.Rd7?? (32.R7a2–+) 32...d2 33.Raa7 (33.g4 Re1–+) 33...d1Q 34.Rf7 Qf1 (34...Qf1 35.Kh2 Bd6 36.Be5 Be5 37.g3 Be4 38.Rg7 Bg7 39.Rg7 Kg7 40.f3 Rb2) 0–1. Helis,Tadeusz (2350) – Wisniewski,Adrian (2365), Poland–chT1 Ustron, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 cd4)

8.Nd4 Nc6 9.Be2 Nd4 10.Bd4 Bf5 11.0-0 b6 12.Nd2 Rc8 13.Qb3 d5 14.Rac1 dc4 15.Bc4 e5 16.Be5 b5 (worse 16...Qd2 17.Rfd1 Ne4 18.Rd2 Nd2 19.Qa2 Nc4 20.Bg7 Ne3 21.Qd2 Rc1 22.Qc1+/-) 17.Bf6 Bf6 (17...bc4!? 18.Bd8 cb3 19.Rc8 Bc8+=) 18.Bd5+/- Rc1 19.Rc1 Qd6 20.e4 Bg5? (better 20...Be6+/-) 21.ef5+- Bd2 22.Rd1 Qe5 23.fg6 hg6 24.Qd3 Bf4 25.Qg6 Kh8 26.Bf7 Bh2 27.Kh1 Bf4 28.g3 Bg5?? (28...Qg7 29.Qg7 Kg7+-) 29.Kg2 Qe7 (29...Qd5 30.Bd5 Rf2 31.Kf2 Be3 32.Ke3 a5 33.Rh1) 30.Rh1 (30.Rh1 Bh6 31.Rh6) 1-0. Baranov,G (2315) - Ivanova Skripova,T (2125), Republic of Adygea Rapid, 2019.

8.Nd4 Nc6 9.Be2 d5 10.cd5 Nd4 11.Qd4 Qd5 12.Bf3 Qd4 (12...Qf5 13.0-0=) 13.Bd4= Re8 14.Be5 Nd7 15.Bg7 Kg7 16.Nc3 Ne5 17.Bd5 (17.Ke2 Nf3 18.Kf3 Be6=) 17...e6 18.Bb3 b6 19.0-0-0 Ba6 (19...Bb7 20.f3+=) 20.b5= Rac8 21.Kb2 Bb7 22.e4 Rc5 (22...Red8 23.f3 Nd3 24.Kc2 Nf4 25.Rd8 Rd8=) 23.Rd4 (better is 23.h4!?=) 23...Rec8–/+ 24.Rc1?? (better is 24.f4–/+) 24...Be4!–+ 25.Ne4 (25.Ne4 Rc1 Pinning (25...Rc1 Deflection); 25.Re4 Nd3 Deflection) 25...Rc1 26.f4 Ng4 27.Nd6 R8c5 28.Ra4 (28.Ne4 Rc7–+) 28...Rf1 (28...Rg1 29.Ra7 Rg2 30.Kb1–+) 29.Ra7 Rf2 (29...Rf4 30.Be6 Ne5 31.Rb7–+) 30.Kb1 Rf4 31.Be6 Ne5 32.a4 (32.g3 Rf1 33.Ka2 Rc2 34.Kb3 Rh2 35.Bc4 Rf3 36.Kb4 Rg3 37.Bf7–+) 32...Rb4 33.Ka2 Nd3 (better is 33...Rc2 34.Ka3 Nd3 35.Ne8 Kf8–+) 34.Nc4 Rcc4 35.Rf7 Kh6 36.Bc4 Rc4 37.Kb3 Re4 38.Ra7 (38.Kc3 Nc5 39.a5 ba5–+) 38...Nc5 39.Ka3 Kg5 40.g3 (40.Rh7 Ra4 41.Kb2 Rb4 42.Kc3 Rb5 43.h4 Kf4 44.Rf7 Ke5–+) 40...h5 41.h3 (41.a5 Ra4 42.Kb2 Ra5 43.Ra5 ba5–+) 41...Kf6 42.Ra8 (42.a5 Ra4 43.Kb2 ba5–+) 42...Ke5 0–1. Shumilov,Ilya (2310) – Mroziak,Maciej (2320), Katowice Poland, Poland–UKR Academic Match, 2014. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.c4 0-0 5.e3 d6 6.Bb2 c5 7.a3 cd4)

8.Nd4 Nc6 9.Be2 Bd7 10.0-0 (10.Nd2 a5 11.b5 Nd4 12.ed4 Qe8 13.Qa4 d5 14.c5 Nh5 15.Bh5 gh5 16.Qb3 Bb5+= 0.50) 10...Rc8 (10...a5 11.b5 Nd4 12.ed4 Rc8 13.Re1 Re8 14.Nd2 d5 15.c5 Bf5 16.b6 e5+= 0.44) 11.Nd2 (11.Nc3 Ne5 12.Qb3 Bg4 13.f3 Bd7 14.Nd5 Qe8 15.Nf6 Bf6 16.f4 Ba4+= 0.41) 11...a6 (11...Qc7 12.Rc1 Rfd8 13.N2f3 Nd4 14.Qd4 Ne8 15.Qd2 Nf6 16.Nd4 a6= 0.12) 12.Rc1 (12.N2f3 Qc7 13.Nc6 Bc6 14.Nd4 Bd7 15.Rc1 Rfd8 16.Qd2 b6= 0.00) 12...Qe8 (12...Qc7 13.N2f3= Nd4 14.ed4 Bh6 15.Ra1 b5 16.cb5 ab5= 0.03) 13.N2b3 (13.Bf3 b6 14.Nc6 Bc6 15.Bd4 Qd8 16.Bc6 Rc6+= 0.34) 13...Nb8 (13...b6 14.Qd2= (14.f4 Nd4 15.ed4 d5 16.c5 b5+= 0.37) 14...Ne4 15.Qc2 Nf6 16.Rfd1 Ne5+= 0.37) 14.c5 (14.Qd2 Ba4 15.Na1 Nc6 16.Bf3 Qd7= 0.19) 14...e5 15.Nf3 Ba4 16.cd6 (16.Re1 dc5= 0.06 (16...e4 17.Nfd4 dc5 18.Rc5 Nc6=)) 16...Rc1= 17.Bc1 Qe6 18.Nfd2 Rc8 19.Bb2 Qd6 20.Qb1 Nbd7 21.Rc1 Re8 22.Nc4 Qe6 23.Nbd2 Qd5 24.e4+= Qe6 25.Nf3 Nh5 26.Ne3 Nb6 27.Rc5 Nf4= 28.Bf1 Nd7 29.Rc1 Bb5 30.Bb5+/- ab5 31.Qc2 Nb6+= 32.g3 Nh3 33.Kg2+= Nc4 34.Nc4 Rc8 35.Bc3 bc4= 36.Kf1 Qg4 37.Qe2 Ng5 38.Ng5 Qg5 39.Rd1 b5 40.h4 Qe7 41.Rd5 Rb8 42.Qd1 h5 43.Kg2 Ra8 44.Rb5 Ra3 45.Qd2 Kh7 46.Rd5 Bh6 47.Qc2 Bg7 48.Bd2 Qf6= 49.Bc3 Qe6 50.Bd2 Qg4 51.Be3 Rd3?? 52.f3+– Qe6 53.Rd3 cd3 54.Qd3 Bf8 55.b5 Qa2 56.Qd2 Qb3 57.b6 Bb4 58.Qe2 Ba5 59.Qf2 Qb5 60.Kh2 Qb1 61.Bc5 Be1 1–0. Miltner,A (2400) – Hasecic,S (2245), SAP IM Walldorf GER, 2006. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

8.Nd4 d5 9.Nd2 b6 (9...Nc6 10.Be2=+) 10.Be2 Bb7 11.0-0 Nc6 12.N4b3 Ne4 (12...Qd6 13.Qc2=) 13.Bg7+= Kg7 14.Ne4 de4 15.Qc2 White prepares c5 15...Qc7 (15...Ne5 16.Rfd1 Qc7 17.c5+=) 16.c5 (worse 16.Qe4 Nb4 17.Qd4 e5=+) 16...Ne5 17.Qc3 bc5 (17...Bd5!?+=) 18.Nc5+/- Kg8 19.Rac1 Rac8 (better 19...Nd3!? 20.Bd3 ed3 21.Qd3 Rad8+/-) 20.Qb2+- Bd5 (20...Bc6 21.b5 Bd5 22.Ne6 Qc1 23.Rc1 fe6 24.Rc3+-) 21.Ne6!! Qc1 (21...Be6 22.Rc7 Discovered attack; 21...fe6 22.Rc7 Discovered attack) 22.Rc1 Rc1?! (22...fe6 23.Rc8 Rc8 24.Qe5 Rc1 25.Bf1 Bc4+-) 23.Qc1 Be6 24.Qc7 Rc8 (24...Nd3 25.g4 h5 26.Qa7+-) 25.Qe5 Rc1 26.Bf1 Bc4 27.h4 Rf1 (27...a6 28.Qe7 Bf1 29.Kh2+- (29.Qe4?? Bd3 30.Kh2 Be4-+)) 28.Kh2 Rf2 29.Kg3 (29.Qe7 h6 30.Qa7 Rd2+-) 29...Ra2 30.Qe4 Bf1 31.Qe7 (better 31.Qa8!? Kg7 32.Qa7 e6+-) 31...a6 32.h5 (32.a4 Rg2 33.Kf3 Rc2+-) 32...Rg2 33.Kf3 gh5 34.a4 Ra2? (34...Kg7 35.e4 Rg6 36.Qe5 Kh6 37.Ke3+-) 35.Ke4?? (35.b5 ab5 36.ab5 Bg2 37.Kf4 Kg7+-) 35...h4?? (better 35...Rg2+/-) 36.Qh4 (better 36.Ke5 Bg2 37.Qh4+-) 36...Ra4 (36...Rg2 37.Qh1 Rf2+-) 37.Ke5 Ra2 38.Kf6 (better 38.Qd8 Kg7 39.Qf6 Kf8 40.Qf1+-) 38...Rg2+= 39.Kf5 Rg6 40.e4 Bb5 41.Qd8 Kg7 42.e5 (42.Qd4 Kg8+=) 42...Bc4= 43.Kf4 ½-½. Sawlin,L (2400) - Muetsch,Annmarie (2220), GRENKE Chess Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Nd4 Bg4 9.Qb3 e5 10.Nb5 Nc6 11.Nd2 Rc8 12.f3 Be6 13.Nc3 d5 14.cd5 Nd5 (14...Bd5?! 15.Nd5 Nd5 16.Rd1+=) 15.Nd5 Bd5 (worse is 15...Qd5 16.Bc4 Qd6 17.Be6 fe6 18.Rd1+=) 16.Qa4 Qh4 17.g3 Qh6 18.Kf2 Nd4 19.Rd1 (19.Qa7?? Rc2 20.Bc1 Bf3 21.ed4 Bh1–+) 19...Bf3 20.Nf3 Nf3 21.Bg2 (21.Qa7?? Rc2 22.Be2 Qh5–+) 21...e4 22.Bg7 Qg7 23.Bf3 (23.Qa7 Rc2 24.Kf1 Qf6 25.Rb1 Ng1 26.Ke1 Qf2 27.Kd1 Qe2) 23...Qf6 24.Rhe1 Qf3 25.Kg1 Rc3 26.Rd2 Re3 27.Rf1 Ra3 28.Qd7 Qe3 29.Rdf2 Qb6 30.Kh1 Qc6 (30...Qb4 31.Rf7 Rf7 32.Qf7 Kh8 33.Rc1+–) 31.Qc6 bc6 32.Rf6 Rb3 33.Ra1 Ra8 34.Rc6 Rb4 35.Rc7 a5 36.Rd1 e3 37.Re7 a4 38.Rdd7 e2! 39.Re2 a3 (39...a3 40.Ra2 Rb2–+) 0–1. Rolle,E (2230) – Baron,Ta (2435), 21st Czech GM Open, Pardubice CZE, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.ed4 d5

9.c5 a5 10.b5=.

9.c5 Nc6 10.b5 Na5 11.Nbd2 Bg4 12.Be2 Nd7 (12...Ne4 13.Rb1=) 13.Rc1+= Rc8 14.Bc3 e5 15.0-0 (15.de5!? Rc5 16.0-0=) 15...ed4= 16.Bb4 Re8 17.Nd4 Be2 (worse is 17...Bd4 18.Bg4 f5 19.Nb1+/-) 18.Ne2 Ne5 19.Ng3 Nac4 20.Nc4 Nc4 21.Qa4 (21.Qf3 Qg5=) 21...h5 (21...Qd7 22.Qd1 Nb2 23.Qf3–/+) 22.Rfe1+= (22.Qa7? Ra8 23.Qb7 Re7 24.Qa8 Qa8–+) 22...h4 23.Nf1 Bd4 24.Re8 (24.Qa7!? Qf6 25.Re8 (25.Qb7?? Qf2 26.Kh1 Qg1#) 25...Re8 26.Rc2+= (26.Qb7 Qf2 27.Kh1 Qg1#)) 24...Qe8+= 25.Qd1 (25.Re1 Qd7 26.Qa7 Qb5 27.Ne3–/+) 25...Bb2 (better is 25...Qe4!?–/+) 26.Rc2= Qe4 27.h3 (27.Re2 Qd4 28.Qa4 Qg4=) 27...Qd4 28.Qf3 a5 29.ba6 ba6 30.Nd2 Re8 31.Nc4 dc4 32.c6 a5 33.Ba5 Ba3 34.Bc3 Bd6 35.g3 Qd3 36.Qf6 Qd1 37.Kg2 Qd5 38.f3 Be5 39.Be5 Re5 40.c7 Re8 41.Qh4 c3 42.Qb4 Qd3 43.Qc3 Re2 44.Re2 Qc3 45.Re8 Kg7 46.c8Q Qd2 47.Kf1 Qd1 48.Kf2 Qd4 49.Re3 Qd2 50.Re2 Qd4 51.Kg2 1–0. Guramishvili,S (2285) – Topel,Z (2225), IsBank TCh–TUR, Konya TUR, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 c5)

9.c5 Ne4 10.Nc3 Bg4 11.Be2 Nc6 12.Rb1 Bf3 13.Bf3 f5 14.Ne2 Ng5 (14...e5 15.0-0=) 15.Nf4 Nf3 16.Qf3 (16.gf3 Not 16...e6+=) 16...e6 (16...Bd4?? 17.Ne6 Ne5 18.Qb3+– (18.Nd8 Nf3 19.gf3 Bb2 20.Nb7 Ba3=)) 17.0-0 Qd7 (17...Bd4?? 18.Ne6 Qd7 19.Nd4 (19.Bd4?! Qe6 20.Ba1 a6+=) 19...Nd4 20.Bd4+–) 18.Rfd1 Rfe8 19.Bc3 b5 20.Qd3 a6 21.Ra1 Kf7 22.Ra2 Ra7 23.Rda1 Rea8 (better is 23...Bh6!? 24.Ne2 Kg7+=) 24.Re1 Re8 25.Rae2 Nd8 26.Qh3 (26.Qf3+/-) 26...h6? (26...Kg8 27.Re3+/-) 27.g4 (27.Re3 g5 28.Qh5 Kf8 29.Ng6 Kg8+/-) 27...Qe7? (27...fg4 28.Qg2 h5+/-) 28.Ne6+– Ne6 29.Re6 Qe6 30.Re6 Ke6 31.gf5 gf5 32.Qg3 Rae7? 33.Qg6 (33.Qg6 Bf6 34.Qh6+/-) 1–0. Pinero Fernandez,X (2255) – Ibarra Jerez,JC (2135), ESP–ch U20 Mondariz, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 cd4 8.ed4 d5)

9.c5 Bf5 10.Be2 e6 11.0-0 Nbd7 12.Nc3 Ne4 13.Re1 (13.Ne4 Be4 14.Nd2 Qh4+=) 13...Nc3 14.Bc3 Rc8 (14...Nf6 15.b5=) 15.Rc1+= Nf6 16.b5 Ne4 17.Bb4 Qc7 (17...Bh6 18.Ra1+=) 18.Ne5 f6 19.Nd3 Bh6 (19...e5!?+=) 20.g4+/- Bc1 21.Qc1 Rf7 (21...Bg4 22.Bg4 Rfe8 23.f3+–) 22.gf5 gf5 23.Qe3 Rg7 24.Kh1 e5 25.Qf3 ed4 26.Qf5 Rd8 27.f3 Nc3 28.Nf4 Ne2 29.Re2 Qf7 30.c6 bc6 31.bc6 Kh8 32.Be7 Rdg8 33.Bf6 (33.Bf6 d3 34.Nd3+–; 33.Qf6?! Rc8 34.Re6 Rb8+–) 1–0. Fedorko,Andrew (2120) – Kent,Kevin (1905), IECC, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

9.c5 Bg4 10.Be2 a5 11.b5 Ne4 12.Nc3 Bf3 13.Bf3 e5 (13...Nc3!? 14.Bc3 e6+=) 14.Ne4+/- de4 15.Be4 (15.de5? ef3 16.Qf3 Nd7–+) 15...ed4 16.0-0 Qe7 17.Qf3 Qc5 18.a4 Rd8 19.Rac1 Qb4 20.Ba3 Qa4 21.Bb7 Ra7 22.Bc5 Rb7 23.Qb7 d3 24.Be7 Re8 (24...d2 25.Bd8 dc1R 26.Rc1 Be5+–) 25.Rc8 (25.Rc8 Qb5 26.Qb5 Rc8 27.Bd6+–) 1–0. marekt – jimmygtal, internet, 2012.

9.c5 Nh5 10.g3 b6 11.Nc3 Bg4 12.Be2 Nc6 13.Na4 e6 14.b5+= Na5 15.Nd2 Be2 16.Qe2 bc5 17.Nc5 Nf6 18.0-0 Nd7 19.Rac1 Nc5 20.Rc5 Rc8 21.Rfc1 Rc5 22.Rc5 Re8 23.Qd3 Bf8 24.Rc2= Qd7 25.a4 Qd6 26.Rc3 Qb8 27.Ba3 Ba3 28.Ra3 Qd6 29.Rc3 Qb4 30.Rc7 Qa4 31.Kg2 Qb4 32.Ra7 Rb8 33.Qf3 Rf8 34.Qe2 Nc4 35.Nc4 Qb5 36.Rc7 dc4 37.Qc4 Qc4 38.Rc4 Kg7 ½–½. Mehlhorn,Uwe – Weiss,W, BFM–200, 2001.

8.ed4 e5

9.de5 Ng4 10.Be2 Ne5 11.Nd4 Nbc6 12.0-0 Nd4 13.Bd4 Qh4 14.f4 Ng4 15.Bg4 Bg4 16.Qd2 Rac8 17.Bg7 (17.Ba7?? Ba1 18.Be3 Rc4 19.Qd6 Be2–+) 17...Kg7 18.Qd4 Qf6 19.Qf6 Kf6 20.Nd2 Rfe8 21.Rfe1 Be2 22.Kf2 Bd3 23.g4 (23.Re8 Re8 24.Re1 Re1 25.Ke1 Ke6=) 23...h5+= 24.h3 (24.gh5 gh5 25.Rac1 Re1 26.Re1 a6=) 24...hg4 25.hg4 Rh8 (better is 25...Re1!? 26.Re1 Bc4 27.g5 Kg7+=) 26.Rac1 g5 27.Ke3 Rh3 28.Kd4 Bh7 (28...b5!? 29.cb5 Rc2 30.Rc2 Bc2+/-) 29.f5+/- Kg7 30.Ne4 Rh4 31.Rg1 Rd8 32.Kd5 Rh3 33.Ng5 Rd3 34.Ke4 Ra3 35.Ra1 Rb3 36.Rab1 Ra3 37.Kd4 Bg8 38.Ne4 f6 39.g5 d5 40.Nf6 dc4+/- 41.Ke4 Rad3 42.Nh5 Kh7 43.g6 Kh6 44.Nf6 Bd5 45.Kf4 Bc6?? 46.Rh1! (46.Rh1 Bh1 47.Rh1 Rh3 48.Rh3 Kg7 49.Rh7 Kf6 50.Rf7) 1–0. Tejas,Ravichandran (2155) – Navin,Kanna (2270), Asia–ch U20 Chennai, 2008. (=1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c5 7.a3 cd4 8.ed4 e5)

9.de5 Ng4 10.Be2 Ne5 11.Ne5 de5 12.0-0 Nc6 13.Bf3 Be6 14.Bc6 bc6 15.Qe2 a5 16.b5 Rc8 17.Re1 cb5 18.cb5 Bc4 19.Qe3 Bb5 20.a4 Bc6 21.Nd2 Qd5 22.f3 Rfd8 23.Ne4 Qc4 24.Qg5 (24.Rec1!? Qd3 25.Qd3 Rd3 26.Rc5+=) 24...Be4–+ 25.fe4 Qc2 26.Ba3 Qa4 27.Be7 Qd4 28.Kh1 Rd7 29.Qg4 h5 30.Qh4 a4 0–1. Kagiyama,Nobuaki – Santhosh,Matthew Paul, Afroasian email ch–2 final, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 cd4 8.ed4 e5)

9.Be2 e4

10.Nfd2 Re8 11.Nf1 d5 12.Ne3 Nc6 13.c5 Ne7 14.Nd2 Nd7 15.Bb5 Nc6 16.Nb3 Nf8 17.0-0 a6 18.Ba4 Re7 19.f4 ef3 20.Qf3 Be6 21.Rfe1 Rc8 22.Rad1 h6 23.Bc1 Nh7 24.Ng4 h5 25.Nf2 Bf5 26.Re2 Re2 27.Qe2 Ng5 28.Bc6 Rc6 29.Nd3? (better is 29.Bf4+=) 29...Bg4–+ 30.Qf1 Bd1 31.Qd1 Ne6 32.Be3 Qh4 33.Nf2 Rc8 34.g3 Qe7 35.Qf3 Re8 36.Kg2 Nc5 37.dc5 Qe3 38.Qd5 Re6 39.Qf3 (39.Nd2 Qd4 40.Qd4 Bd4–+) 39...Bh6 40.Qe3 Re3 (40...Be3?! 41.h3–+) 41.Na5 Ra3 42.Nb7 Bd2 43.c6 Bb4 44.Nc5 Rc3 (44...Bc5? 45.c7+–) 45.Na6 Bd6 46.c7 Bc7 47.Nb4 Rb3 48.Nd5 Bb6 49.Ne4 (49.Nb6 Rb6 50.h4 Rb3–+) 49...Rb2 50.Kf3 Bd4 51.Ne7 (51.Ng5 Rh2 52.Ke4 Ba7–+) 51...Kg7 52.Nc6 Bb6 53.Nd6 (53.Ng5 Rh2 54.Ke4–+) 53...f5 (53...f5 54.Ne8 Kf8–+) 0–1. Lintchevski,D (2555) – Aminov,Andrey (2255), 19th Voronezh Master Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 cd4 8.ed4 e5)

10.Nfd2 d5

11.0-0 dc4 12.Nc4 Be6 13.Re1=.

11.c5 a6 12.0-0 Nc6 13.Nb3 Ne8 14.Nc3 f5 15.f4 Be6 16.Qd2 Nc7 17.Na4 Rb8 18.Nb6 Bf6 19.a4 Na7 20.b5 ab5 21.ab5 Nab5 22.Ra5 Bd7 23.Na1 Bc6 24.Nc2 g5 25.Rb1 Kh8 26.Bc1 e3 27.Qd3 gf4 28.Rab5 Nb5 29.Rb5 Bb5 30.Qb5 Bh4 31.Kf1 Bf2 32.Bf3 Qh4 33.h3 Qg3 34.Nb4 Be1 35.Nd3 Rbe8 36.Ke2 Bc3 37.Nd5 Bd4 38.N5f4 Qh4 39.Qb4 Qd8 40.Bb7 Bg7 41.Nh5 Qg5 42.Ng7 Kg7 43.Bb2 Kh6 44.Be5 Re5 45.Ne5 1–0. Nemec,Zdenek (2120) – Llorente,Jose Luis (2010), KO–4029.1.7 IECC, 2010.

11.0-0 Nc6

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.cd5 Nd4 16.Bc4 (16.Bf1 Bg4 17.Qa4 Nd5 18.Nce4 Nb6 19.Qa5) 16...Bg4 17.Qa4 Bf5 18.Ba2 Qb6 19.Nc4.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.cd5 e3 16.Nc4 ef2 17.Kf2 Nd4 18.Rc1 Ne2 19.Re2.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.cd5!? e3 16.fe3 Ne3 17.Qa4=.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.cd5 e3 16.fe3 Ne3 17.Qb3 Nfd5 18.Nd5 Nd5 19.Bf3.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.cd5 Bh6 16.Kh1 (16.f3 Be3 17.Kh1 Bd2 18.Qd2 e3 19.Qc1).

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.Nd5 a6 16.ba6 (16.Nf6 Bf6 17.ba6 ba6 18.Nb3 e3 19.fe3) 16...ba6 17.Nf6 Bf6 18.Nb3 e3 19.fe3.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.Nd5 b6 16.Nf6 (16.Rc1 Bb7 17.Nf1 Nd5 18.cd5 Ne7 19.Ne3) 16...Bf6 17.Nb3 Qc7 18.Qd2 Bd7 19.c5.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.Nd5 Nd5 16.cd5 e3 (16...Bd4?! 17.Bd4 Nd4 18.Bc4=; worse 16...Qd5 17.Bc4 Qd8 18.Ne4 Nd4 19.Qa4=) 17.fe3 Ne3 18.Qb3 Ng2 19.Kg2 Qg5 20.Kh1 Qd2 21.Rad1 Re2 22.Rd2 Re1 23.Kg2 Bf5 24.Rf2 (24.Kf2 Rae8 25.d6–/+) 24...Rae8–/+ 25.Rf5 gf5 26.d6 (26.b6 R8e2 27.Kf3 a6–/+) 26…Bf6 (26...Bf6 27.b6 R8e2 28.Kg3 Re3 29.Qe3 Re3 30.Kf4 Re8 31.Kf5 Bg7 32.ba7 Ra8–+) 0–1. marekt (2185) – arthur1999 (2155), gameknot.com, 2019.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.Bf1 A) 15...Nd4 16.cd5 (16.h3 Be6 17.cd5 Bd5 18.Rc1 Nf5 19.Nd5) 16...Nd5 17.Nde4 Nc3 18.Nc3 Be6 19.Rc1; B) 15...dc4 16.Nce4 (16.Nde4 Ne4 17.Ne4 Be6 18.Qa4 Rc8 19.Qa7) 16...Ne4 17.Re4 Re4 18.Ne4 Be6 19.Qa4; C) 15...e3 16.fe3 Ne3 17.Qf3 Nc4 18.Nc4 dc4 19.Na4.

12.b5 Ne7 13.Nc3 Re8 14.Re1 Nf5 15.Nf1 dc4 16.Bc4 Nd4 (16...Qd4? 17.Ne4 Qe4 18.Re4 Ne4 19.Bg7 Kg7 20.Rc1+-) 17.Ng3 Bg4 18.Nce2 Ne2 19.Be2 Qd1 20.Rad1 Be2 21.Re2 Rad8 22.Rd8 Rd8 23.Bf6 Bf6 24.Re4 Rd2 25.Nf1 Ra2 26.a4 Bc3 27.g4 Ba5 ½-½. Kortschnoj,Viktor (2635) - Nunn,John (2630), Pan Pacific International (11), San Francisco 1995. (=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 c5)

9.de5 de5

10.Be2 Qd1 11.Bd1 Nc6 (11...e4 12.Nd4+=) 12.0-0 (12.b5 Na5 13.Nbd2 e4–/+) 12...e4–/+ 13.Nfd2 Bf5 14.Re1 (14.b5 Na5+=) 14...Rad8 15.Nf1 Rfe8 16.Ne3 Ne5 (16...Be6 17.Ba4+=) 17.Be5+= Re5 18.Ra2 Re7 19.Nc3 (19.Nf5 gf5 20.Nc3 Red7+=) 19...Be6 20.Ba4 (20.Rae2 Rd3 21.Ncd5 Bd5 22.Nd5 Nd5 23.cd5 Bc3–/+) 20...Bh6 (20...Rd3 21.Rc2–/+) 21.Ned5+= Bd5 22.Nd5 (worse is 22.cd5 Rc7 23.Nb5 Rcc8–/+) 22...Nd5 23.Rd1 e3 24.cd5 (24.Rd5?? Rd5 25.cd5 e2 26.Re2 Re2–+) 24...e2 25.Re1 Rd5 26.Rae2 Re2 27.Re2 Rd3 28.Ra2 Bc1 29.Bc2 Ra3 30.Ra3 Ba3 31.b5 a5 (31...Kg7 32.Bb3+=) 32.ba6= ba6 33.g4 Bc1 34.Kg2 Kg7 35.Kf3 Kf6 36.Bb3 a5 37.h3 Ke5 38.Bf7 a4 39.h4 Kf6 40.Ba2 h6 41.h5 Ke5 ½–½. Zarubitski,Viachaslau (2185) – Sidorov,Anton (2050), Batumi GEO, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 cd4 8.ed4 e5)

10.Qd8 Rd8

11.Nc3 e4 12.Nd2 e3 13.fe3 Ng4 14.Ra2 Ne3 15.Nce4 Bb2 16.Rb2 f5 17.Nc3 Nc6 18.Kf2 f4 19.Be2 Ne5 20.g3 Nd3 21.Bd3 Rd3 22.Nce4 Ng4 23.Kg2 fg3 24.hg3 Bf5 25.Nc5 Ra3 26.Nb7 Re8 27.Nb1 Rae3 (27...Be4!? 28.Kh3 Re5 29.Rf1–+) 28.Rc1? (better is 28.Nc5 Re2 29.Re2 Re2 30.Kf1–+) 28...Be4 29.Kh3 Bb7 (29...Bb7 30.Rd2 R3e5–+) 0–1. Kalinitschew,Sergey (2450) – Krasenkow,Michal (2530), Berliner Sommer, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

11.c5 e4+= 12.Ne5 Ng4 13.Nc4 Bb2 14.Nb2 Nc6 15.Bc4 (better is 15.Nc3=) 15...b5 (better is 15...Nd4 16.0-0 Bf5+=) 16.Bb5+/- Nd4 17.Nc3 (better is 17.Ba4!?+/-) 17...Nc2= 18.Ke2 Nd4 19.Ke1 Ne5 (better is 19...Nc2 20.Ke2 Nd4 21.Kf1 Nb5 22.Nb5 Ba6+=) 20.Rc1+– Bf5 21.Be2 a5 22.Nc4?? (better is 22.Nba4+/-) 22...Ne2–+ 23.Ne2? (better is 23.Ke2 Nc4 24.Nb1–+) 23...Nd3 24.Kd2 ab4 (24...Nf2?! 25.Ke3 Nh1 26.Rh1 ab4 27.ab4 Rd3 28.Kf4–+) 25.Ke3 Nc1 26.Rc1 Rd3 27.Kf4 ba3 28.Ne5 a2 (28...a2 29.Nd3 ed3–+) 0–1. Krivoshapko,Alexander – Zenzera,Alexey, 2011.

11.Be2 e4 12.Nfd2 Nc6 13.Nb3 a5 14.b5 a4 15.bc6 ab3 16.c7 (16.cb7 Bb7 17.Nd2 e3 18.fe3 Ne4 (18...Bg2?! 19.Rg1 Be4 20.Rf1+=) 19.Bg7 Rd2–/+) 16...Rd7=+ 17.Nd2 Rc7 18.Nb3 Ng4 19.Bg7 Kg7 20.0-0 (20.Nd2 e3 21.fe3 Ne3=+) 20...Ne5=+ Attacking the isolated pawn on c4 21.Nd4 Bd7 22.Nb5 (22.f3 ef3 23.Nf3 f6=+ (worse 23...Nc4 24.Bc4 Rc4 25.Ne5+–)) 22...Rc5 (22...Bb5!? 23.cb5 Rc2–/+) 23.Nd6= Bc6 24.Rfb1 Rca5 Attacks the isolani on a3 25.Nb7 (25.Rb3 R8a7=) 25...Ra3 26.Ra3 Ra3 27.Nd6 Ra2 28.Bf1 (28.Kf1 e3 29.fe3 Bg2 30.Kg2 Re2 31.Kg3 Re3 32.Kf4 Re2=+) 28...f5 (28...Rd2 29.c5–/+) 29.h3 f4 30.Re1 e3 Threatening mate: exf2 31.Re2 (31.Re3 fe3) 31...Rd2 32.fe3? (better 32.c5=+) 32...Rd6–+ 33.ef4 Nc4 34.Re7 Kf6 35.Rh7 Ne3 36.Kf2 Ng2! (36...Nf1?! 37.Kf1 Kf5 38.Rf7 Ke4 39.Kg1–+) 37.Bg2 Rd2 38.Ke3 Rg2 39.Rc7 (39.h4 Rh2–+) 39...Bd5 (39...Rg3 40.Kd4 Bg2 41.h4–+) 40.Rc5 (40.Rh7 Rc2–+) 40...Be6 41.Kf3 Rh2 42.Kg3 (42.Rc6 Rh3 43.Ke4 Ke7–+) 42...Rh3 43.Kf2 (43.Kg2 Rd3–+) 43...Rh5 (43...Bg4 44.Kg2 Rf3 45.Rc4–+) 44.Rc1 (44.Rc6 Rb5–+) 44...Rb5 45.Ke3 (45.Rc3 Kf5–+) 45...Kf5 46.Rf1 (46.Rc3 Kg4–+) 46...Rb4 47.Rc1 Re4 48.Kf3 Rf4 49.Kg3 Rc4 50.Rf1 Kg5 (50...Ke5 51.Re1 Re4 52.Rb1–+) 51.Re1 (51.Rf8 Rc3 52.Rf3 Rf3 53.Kf3 Kh4–+) 51...Rc3 52.Kf2 Bf5 53.Ra1 (53.Ke2 Kf4–+) 53...Kf4 54.Ra4 Be4 55.Kf1 Kf3 (better 55...g5 56.Ra2–+) 56.Kg1 (56.Ra1 Bd3 57.Kg1 g5–+) 56...g5 (56...Rc1 57.Kh2 Kf4 58.Re4 Ke4 59.Kg2 Kf4 60.Kf2 Rc2 61.Kg1 Kf3 62.Kh1 Kg3 63.Kg1 Rc1) 57.Ra7 (57.Ra1 Kf4 58.Kf2 Rc2 59.Ke1 g4–+) 57...g4 (57...Rc1 58.Kh2 Kf4 59.Rf7 Kg4 60.Rf1 Rc2 61.Kg1 Rg2 62.Kh1 Rg3 63.Rf3 Bf3 64.Kh2 Rh3 65.Kg1 Kg3 66.Kf1 Rh1) 58.Kh2 (58.Ra1 Rc2 59.Ra3 Kf4 60.Kf1 Rc1 61.Ke2–+) 58...Rc2 59.Kg1 Rc1 60.Kh2 g3 (60...g3 61.Kh3 Rh1) 0–1. Brehovsky,P (2130) – Hess,Max (2270), TCh–AUT 2nd West, 2018. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.c4 c5 7.a3 cd4 8.ed4 e5 9.de5 de5 10.Qd8 Rd8)

11.Be2 e4 12.Nfd2 Nc6 13.Nc3 g5 14.0-0?? (14.Ra2 Bf5=) 14...Bd7 (better is 14...Rd2 15.Ra2 Be6–+) 15.Nd1 (better is 15.Nb3=) 15...Ne8 (better is 15...a5+=) 16.Bg7+/- Kg7 17.g4?? (better is 17.Ne4 Nd4 18.Bd3+/-) 17...Be6 (17...Be6 18.Ne4 Nd4=) 0–1. Krivoshapko,Alexander (2050) – Bogachkova,Alena (2105), Omsk Open, 2014.

11.Be5 Re8 12.Be2 Re5 13.Ne5 Nh5 14.Bh5 Be5 15.Ra2 gh5 16.Re2 Nd7 17.0-0 a5 18.Rd1 ab4 19.ab4 Ra1 (19...Kf8!? 20.Rde1 Kg7+=) 20.f4+/- Bd4 21.Rd4 Rb1 22.Kf2 Kf8 23.c5 f5 24.Rd5 (better is 24.Ra2!? Ke7 25.Ra8+/-) 24...Kf7= 25.Rd4 Kf8 26.Rd5 (better is 26.Ra2!? Ke7 27.Ra8+/-) 26...Kf7= 27.Rd4 Nf6 28.Kg3 Bd7 29.Kh4 h6 30.Red2 Bc6 31.Rd1 (better is 31.g3!?+=) 31...Rd1+= 32.Rd1 Bg2 33.b5 Ke7 34.Rc1 Be4 35.Rg1 Kf7 36.Ra1 Nd7 37.Rc1= Ke7 38.c6+= bc6 39.bc6 Nb6 40.Kh5 Kd8 41.c7 Kc8+= 42.Kh6 Nd5 43.Kg5 Nc7 44.h4 Kd7 45.Rc7 Kc7 46.h5 Bd5 47.h6 Bg8 48.Kg6 Kd7 49.Kg7 (49.Kg7 Ke6 50.Kg8+–; 49.Kf5?! Ke7+=) 1–0. Guramishvili,Sopiko – Sandu,Mihaela, Gaziantep TUR, European Women Ch, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

11.Be5 Re8 12.Be2 Re5 (12...Bg4!? 13.Bb8 Nd7=) 13.Ne5+= Nh5 14.Bh5 (14.Ng6 fg6 15.Ra2 Nf4+=) 14...Be5= 15.Ra2 gh5 16.Re2 Nd7 17.0-0 Kg7 18.Rd1 a5 19.b5 Bf6 20.Rd6 (20.Re8 Nb6 21.c5 Bg4 22.Ra8 Na8+=) 20...Kf8 (20...Ne5 21.Nd2=) 21.Rd5 Nb6 22.Rd6 (22.Rh5 Bg4 23.Rh6 Be2 24.Rf6 Nc4–+) 22...Nd7 23.Rd5 Twofold repetition 23...Be7 24.a4 (24.Rf5 Nf6 25.Rf4 Be6=) 24...Nf6 25.Rd4 Be6 26.Nd2 Rc8 27.h3 b6 28.Rf4 Rd8 29.c5 (29.Nf3!?=) 29...bc5+= 30.g3? (better is 30.Nf1!?+=) 30…Rd3 0–1. Reefschlaeger,Helmut (2315) – Balinov,Ilija (2445), Seefeld op, 2002. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.e3 c5 7.a3 cd4 8.ed4 e5)

11.Ne5 Re8 12.f4 Nh5–/+.

11.Ne5 Ng4 12.Nd3 (12.Ng4 Bb2 13.Ra2 Bg4=) 12...Re8=+ 13.Be2? (better 13.Kd2 Nf2 14.Nf2 Bb2 15.Ra2=+) 13...Bf5-+ 14.Kd2 (14.Bg7 Bd3 15.Nc3 Kg7-+) 14...Bd3 (better 14...Re2!? 15.Ke2 Bd3 16.Kd3 Bb2 17.Nc3 Ne5 18.Kc2 Ba1 19.Ra1 Nc4 20.Rd1-+) 15.Bg4 Bb2 16.Ra2 Rd8 17.Rb2 Bf5 18.Kc3 Bg4 19.Nd2 (19.Re1 Bf5 20.Rd2 Na6-+) 19…Bf5 (19...Bf5 20.Kb3 Rd3 21.Ka2 Nc6-+) 0-1. Carlsen,Magnus (2845) - Dubov,Daniil (2710), DM Carlsen-Dubov, 2021. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.e3 0-0 5.b4 d6 6.Bb2 c5)

8.Nd4 a5

9.Nc3 Na6 10.Qb3 (10.Be2 ab4 11.ab4 Bd7=) 10...Bd7 (10...ab4 11.ab4 Bd7 12.Bd3=) 11.Be2 Qb6 (11...ab4 12.ab4 Qb6 13.Ndb5=) 12.Ndb5 Rfc8 13.0-0 Be6 (13...Nc7 14.Rfd1=) 14.Rfc1 Nd7 (14...Bd7 15.Rd1+=) 15.e4 (15.Nd5 Bd5 16.cd5 a4+/-) 15...Nc7= 16.Nc7 Rc7 17.Na4 Qa7 (17...Qc6 18.Bg7 Kg7 19.Nc3+=) 18.Bg7 Kg7 19.Nc3 Qb6 20.Nd5 Bd5 21.Qb2 f6 22.cd5+/- Rac8 23.Rc7 Rc7 24.h4 Ne5+= 25.Rb1 ab4 26.Qb4 Qb4 27.Rb4 f5 28.f4 Nd7 29.Bb5 Rc1= 30.Kh2 Nc5 31.e5 Rd1 32.ed6 ed6 33.Be2 Rd5–/+ 34.Bf3 Rd3 35.Bb7 Ra3 36.Bf3 Ra4 37.Ra4 Na4 38.Kg3 Nc5 39.Kf2 Kf8 40.Ke3 Ke7 41.Bd5 Nd7 42.Bf3 Nf6 43.Kd4 Kd8 44.Be2 Kd7 45.Bd1 Nh5 46.Ke3 Kc6 47.g4 fg4 48.Bg4 Ng3 49.Be6 Nf5–+ 50.Kf2 Nh4 51.Bg8 h6 52.Bh7 Kd7 53.Kg3 Nf5 54.Kg4 Ne7 55.f5 gf5 56.Kh5 d5 57.Kh6 d4 (57...d4–+) 0–1. Shumilov,I (2180) – Netzer,Je (2380), Open, Olomouc CZE, 2007. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.e3 0-0 5.b4 d6 6.Bb2 c5)

9.Nc3 ab4 10.ab4 Ra1 11.Qa1=.

9.Nc3 Nc6 10.Nc6 bc6 11.Be2 ab4 12.ab4 Ra1 13.Ba1 Qb6 14.b5 Bb7 15.0-0 cb5 16.Nb5 Qc6 17.Bf3 Qc4 18.Nd6 Bf3 19.Nc4 Bd1 20.Rd1 e6 21.f3 Nd5 22.Bg7 Kg7 23.e4 Nf6 24.h4 h5 25.Rb1 ½–½. Gofman,Albert – Traczewski,Wojciech, OP–2009–0-00998, 2009. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.c4 0-0 5.b4 d6 6.Bb2 c5)

9.Nd2 Na6 10.Bc3 Bg4 11.Qb3 d5 (11...e5 12.N4f3=) 12.h3 (12.ba5 Nc5 13.Qb4 Nfe4=) 12...ab4 (12...Bc8 13.Be2=) 13.ab4+= Bc8 14.Be2 e5 (14...dc4 15.Bc4 Bd7 16.0-0+=) 15.N4f3+= d4 (15...e4 16.Nd4+=) 16.ed4 ed4 17.Nd4 Nh5 18.N2f3 (better is 18.Nc2!? Bc3 19.Qc3+=) 18...Nf4= 19.Kf1 Re8 20.Bd1 (20.Ra2 Bd7+=) 20...Bf5 (20...Nd3 21.Bc2 Ndb4 22.Bb4 Bd4 23.Nd4 Qd4 24.Rd1=) 21.g3 (21.Bc2 Bc2 22.Qc2 Nb4 23.Ra8 Qa8–/+) 21...Bh3= 22.Kg1 Qd7 23.Qb2 Rad8? (23...Nd3 24.Qd2 Nab4 25.Ra8 Ra8 26.Bb4 Nb4 27.Qb4 Bd4 28.Rh3 Qh3 29.Nd4 Qd7–/+) 24.Ba4+– Qc8 (24...Qg4 25.Be8 Re8 26.Qd2 Ne2 27.Ne2 Qf3 28.Rh3 Qe2 29.Qe2 Re2 30.Bg7 Kg7 31.Rb1+–) 25.Be8 Re8 26.Re1 Rd8? 27.Qb3 Bg4 28.Ba1 Nh3 29.Kg2+– h6 30.Ne5 Ng5 31.Ng4 Qg4 32.Rh4 Qc8 33.Nf3 Ba1 34.Ra1 Qf5 35.Rd1 Rd1 36.Qd1 Nb4 37.Rh6 Nd3 38.Ng5 Qf2 39.Kh3 Qf5 40.Kh4 f6 41.Ne6 Kf7 42.Qe2?? g5–+ 43.Ng5 Qg5 44.Kh3 0–1. Kaenel,Hansjuerg – Cvitan,Ognjen, open Bern, 1993. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

9.Nd2 Nc6 10.Nc6 bc6 11.Be2 Rb8 (11...Qd7 12.0-0=) 12.b5= d5 (12...e5!?=) 13.Be5+= Nd7 (13...Rb6!? 14.Bd4 Rb8+=) 14.Bb8+/- Ba1 15.Bg3 Bg7 16.bc6 Ne5 17.Be5 Be5 18.0-0 Be6 19.Nf3 Bd6 20.cd5 (better is 20.Ng5!? Bc7 21.Ne6 fe6 22.g3+/-) 20...Bd5+= 21.Qa4 (21.Qd5?? Bh2 22.Kh2 Qd5–+) 21...Qb6 22.Rc1 Rc8 23.Nd4 Qb2 (23...Bc5+=) 24.Rd1 (better is 24.Qd1+/-) 24...e5?? (better is 24...Bc6 25.Qa5 Be4=) 25.Ba6?? (25.Qb5!? Qa2 26.Nf3 e4 27.Rd5 Rb8 28.Rd6 Qa1 29.Rd1 Qd1 30.Bd1 Rb5+–) 25...Rc7?? (25...ed4 26.Bc8 de3–+) 26.Qa5+– Bc6 27.Nc6?? Rc6+= 28.Bb5 Rc1 29.Qd8 Bf8 30.a4 Kg7? 31.Qd5 Bb4 32.Rc1+/- Qc1 33.Bf1 Qc3 34.h4 f5 35.Qd7 Kh6 36.Qd8 e4 37.Qg5 Kg7 38.h5 Kf7? 39.Qh6 Qg7+/- 40.Bc4 Kf6 41.Qf4 Qd7 42.hg6 hg6 43.Qh6 Qd1 44.Bf1 Qh5 45.Qf4 Qd1 46.Qb8 Qd6 47.Qh8 Ke7 48.g3 Ba5 49.Qg8 Be1 50.Qc4 Qd2 51.Be2 Qb2 52.Qc5 Kf6+/- 53.Qd6 Kg7 54.Qe7 Kh6 55.Qf8 Kh7 56.Qf7 Kh6 57.Qe8 Kg7 58.Kf1 Qd2?? 59.g4 Qc1 60.Qe7 Kh8 61.Qf8 Kh7 62.Qf7 Kh6 63.gf5 gf5 64.Qf6 Kh7 65.Qf5 Kh6 66.Qe4 Bc3 67.Kg2 Qd2 68.Qg4 Ba5 1–0. Sinnwell,Horst (2015) – Hochstein,Udo (2000), Ruhrgebiet VL1, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 c5 7.a3 cd4 8.Nd4 a5)

9.Nd2 e5 10.Nb5 Nc6 11.Be2 Qe7 12.0-0 Be6 13.Qb3 Rfd8 14.Nc3 (14.Rfd1 d5+=) 14...d5 15.b5 a4 16.Qc2 Na5 17.Na4 Bf5 18.Qc1 Ne4 19.Nb6 (19.Ne4 Nb3 (worse is 19...de4 20.Qc3+/-) 20.Qc3 Na1+=) 19...Nd2–/+ 20.Qd2 Nc4 21.Bc4 (21.Nd5? Rd5 (21...Nd2 22.Ne7 Kh8 23.Nf5 gf5 24.Rfd1+–) 22.Qd5 Nb2–+) 21...dc4 22.Qc3 Rab8 23.Rfc1 Be6 24.Qa5 Qh4 25.h3 Rd3 26.Nc4= Rbd8 27.Qc7 Rc8–+ 28.Qb7 Rc4 29.Rc4 Bc4 30.a4?? Rd2 31.Qa8 Bf8 32.Ba3 Qf2 33.Kh1 h5 34.Qf3 Qh4 35.Bf8 Kf8 36.b6 Bd5 37.b7 Bf3 38.b8Q Kg7 39.Qe5 Kh7 40.Rg1 Qh3 41.Qh2 Qg4 42.gf3 Rh2 (42...Rh2 43.Kh2 Qf3–+) 0–1. Jefferson,NW (1980) – Conterno,Dominique (2190), British Championship, 2008. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

9.Nd2 Bg4 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 Nc6 13.h3 Bd7 14.Be2 Qb6 15.Bc3 Nd4 16.Bd4 Qc7 17.0-0 Ra8 18.Qb2 e5 19.Bc3 Be6 20.Ra1 Ra1 21.Qa1 Nd7 22.Bg4 Bg4 23.hg4 Nb6 24.Qa5 Bf8 25.Kf1 Qc6 26.b5 Qc5 27.Bb4 Qc7 28.Ke2 d5 29.Bf8 Kf8 30.Qa3 Kg7 31.c5 Qe7 32.Qa1 Nc4 33.Nc4 dc4 34.c6 bc6 35.b6 Qc5 36.b7 Qb5 37.Qa8 c3 38.Kf3 c2 39.b8Q Qb8 40.Qb8+= c1Q 41.Qe5 Kg8 42.Kf4 Qc2 43.f3 h6 44.Qe4 Qe4–/+ 45.Ke4 Kf8 46.Kd4 Ke7 47.Kc5 Kd7 48.e4 f6 49.f4 Kc7 50.Kc4= Kd6 51.Kd4 g5 52.g3 Ke6 53.Kc4 Kd6 54.Kb4 Kd7 55.Kc3 Kd6 56.Kd4 Ke6 57.Kc5 Kd7 58.Kc4 Kd6 59.Kc3 Ke7 60.Kd2 Kd6 61.Ke3 Ke6 62.Kd3 Ke7 63.Kc2 Kd6 64.Kb3 Ke6 65.Ka4 Kd6 66.Kb4 Kd7 67.Ka5 Kc7 68.Ka6 Kd7 69.Ka5 Kc7 70.Ka4 Kd6 71.Kb3 Ke6 72.Kc3 Ke7 73.Kd4 Ke6 74.Kc5 Kd7 75.Kb6?? Kd6 76.f5–/+ Kd7 77.Kc5 Kc7 78.Kc4 Kd7 79.Kc3 Ke7 80.Kd3 Kd7 81.Kc4 Kc7 82.Kc5 Kd7 83.Kc4 Kc7 ½–½. Drazic,S (2545) – Baron,Ta (2415), 11th EICC Men, Rijeka CRO, 2010. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

7.a3 Nbd7

8.Nc3 b6 9.Be2 Bb7 10.0-0 Ne4 11.Qc2 Nc3 12.Bc3 Rc8 (12...cd4 13.Bd4 Nf6 14.Rac1+=) 13.bc5 Bf3 14.Bf3 bc5 15.Be2 (15.Bb7 Rb8 16.Rab1 Qc7=) 15...cd4= 16.ed4 (16.Bd4 Bd4 17.ed4 d5=) 16...d5 17.Qa4 (17.cd5? Bd4 18.Rac1 Rc3-+) 17...Nb6 18.Qa7 Nc4 19.Bb4 (19.Rfb1 e6=+) 19...Rc7 20.Qa6 Qa8 21.Qa8 Ra8 22.Rfd1 e6 23.Rac1 Bf8 24.Bc4 dc4 25.Kf1 (25.d5!? ed5 26.Rd5=+) 25...Bb4-/+ 26.ab4 Ra4 (better 26...Rb8!?-/+) 27.Rb1 c3 28.Rdc1 Ra3 (28...Rc4!?=+) 29.b5= Kf8 30.b6 Rb7 31.Ke2 Ke7 32.Kd3 Ra6 33.Rc3 Rab6 34.Re1 Rb2 35.Ke3 Rd7 36.Rd3 (36.Rec1 h6=) 36...Rd5 37.g4 g5 38.h3 Kd6 39.Ra1 h6 40.Ra7 f5 41.Ra6 Ke7 42.Ra7 Kf6 43.Rh7 Kg6 44.Re7 f4 45.Kf3 Kf6 (45...Rd6 46.Re8=+) 46.Rh7= Kg6 47.Re7 Rd6 48.Re8 Kf7 49.Rh8 Kg7 (49...e5 50.d5=) 50.Ra8 Rb4 Attacking the isolated pawn on d4 51.Ke4 Kf6 52.Rh8 Kg7 53.Re8 Kf7 54.Ra8 Kf6 55.Ra5 (55.Rd2 Rb3=) 55...Rd7 (55...Rb2 56.Kf3=+) 56.Rc5 (56.Rd2 Rb1=) 56...Rb1 (56...Rb2 57.Kf3=+) 57.Rc6= Re1 (57...Ke7 58.Rcc3=+) 58.Kf3 Kf7 59.h4 (better 59.Rc4!?=) 59...e5-/+ 60.Rd2 e4 (60...Rd4?! 61.Rd4 ed4 62.Rd6=; 60...ed4 61.Rh6 gh4 62.Rh7 Ke6 63.Rd7 Kd7 64.Rd4 Ke6 65.Rf4+- (65.Kf4?! Rc1+/-); 60...gh4 61.Ra2 h3 62.Rh6 Rd4 63.Ra7 Kg8 64.Rh3 Rd3 65.Kg2 Rh3 66.Kh3=) 61.Kg2 e3 (61...gh4!? 62.Kh3 e3 63.fe3 fe3-+) 62.fe3=+ fe3 63.Rd3 Re2 (63...Re7 64.Rh6 Re4-/+) 64.Kf3= Rd2 (better 64...Rh2!? 65.Re3 Rh3 66.Kf2 Rh4=) 65.Ke3+/- (65.Re3?! R7d4 66.h5 Rf4 67.Kg3 Rdd4=) 65...Rd3 (65...Rh2!? 66.hg5 hg5+/-) 66.Kd3+- gh4 (66...Kg7 67.h5+-) 67.Rh6 Kg7 (67...Re7 68.Rh4 Re1 69.Rh5+-) 68.Rh4 Kg6 69.Rh5 Kf6 70.Re5 Rg7 71.g5! Rg5 (71...Kf7+-) 72.Rg5 Kg5 (72...Ke7 73.Ke4 Kd6 74.Rg6 Kc7 75.Kd5 Kb7 76.Kc5 Kc7 77.d5 Kc8 78.Kc6 Kb8 79.Rg8 Ka7 80.d6 Ka6 81.Ra8) 73.Kc4 Kf6 74.Kd5 Ke7 75.Kc6 Kd8 76.Kd6 Kc8 77.Ke7 Kc7 78.d5 Kb6 79.d6 Kc6 80.d7 (80.d7 Kc7 81.d8Q Kb7 82.Qd6 Kc8 83.Qd7 Kb8 84.Kd6 Ka8 85.Kc6 Kb8 86.Qb7) 1-0. Pakleza,Z (2500) - Aldokhin,I (2410), Titled Tuesday, 2021. (=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 c5)

8.Nbd2 e6 9.Be2 b6 10.0-0 Bb7 11.Qc2 Rc8 12.dc5 dc5 13.b5 Qc7 14.Rfd1 h6 (14...Rfd8 15.a4=) 15.a4+= a5 16.ba6 Bc6 (16...Ba6 17.Nb1+=) 17.Bc3 (17.a5 ba5 18.Bc3=) 17...Ra8= 18.a5 Ra6 19.ab6 Qb6 (worse is 19...Rb6 20.Ba5+/-) 20.Ra6 Qa6 21.Ra1 Qb7 22.Bf1 Rd8 23.Ra3 Ra8 24.Ra8 Qa8 25.Qb2 Qb8 26.Qb8 Nb8 27.Ne5 Nfd7 28.Nd7 Nd7 29.Ba5 Kf8 30.f3 Ke7 31.Kf2 Kd6 32.Bd3 f5 33.Ke2 Ba4 34.Nb1 Kc6 35.Kd2 Bb3 36.Be2 Be5 37.g3 Nb6 38.Bc3 Bc7 39.Bg7 Nc4 40.Kc3 Na5 41.Bh6 Be5+= 42.Kd2 Ba4 43.Bf8 Nb3 44.Ke1 Bb5 45.Bd1 c4 46.Bb4 Nc5 47.Kd2 Nd3 48.Bc3 Bd6 49.Ba5 Kc5 50.Nc3 Bc6 51.Na2 Kb5 52.Bd8 Ne5 53.e4 Kc5 54.Ke3 Nd3 55.Bf6 f4–/+ 56.gf4 Bf4 57.Ke2 Bh2 58.Bc2 Be5 ½–½. Djurkovic,Maks (2140) – Mazi,Leon (2390), Feffernitz Raika op, 2004. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 c5)

8.Be2 Nb6 9.Nc3 Bg4 10.Qb3 cd4 11.ed4 Rc8 12.Rd1 Bf3 13.Bf3 Nc4 14.Bb7 Nb2 15.Qb2 Rc7 16.Bf3 Qc8 17.Rd3 Qf5 18.Be2 e5 19.Nb5 e4 20.Rg3 (20.Nc7? ed3 21.Bf3 Rc8–+) 20...Rd7 21.0-0 Nd5?? (better is 21...Nh5 22.Rb3 Nf4+=) 22.Bg4+– Qf6 23.Bd7 a6 24.Bc6 Ne7 25.Nd6! Nc6 (25...Qd6 26.Be4 Combination) 26.Ne4 Qf4 27.Re1 Nd4 28.Qd2 Qh4 (28...Qd2 29.Nd2 Rd8 30.Rge3+–) 29.Qd3 Rd8 30.Qc4 (30.Qa6 Nc2 31.Rh3 Qe7 32.Nf6 Qf6 33.Qf6 Bf6=) 30...h6 (30...Be5 31.Rh3 Qf4+–) 31.Rg6 Kh8 (31...Kf8 32.Qc5 Kg8 33.Nf6 Kh8+–) 32.Qf7 Be5 (32...Ne2 33.Kf1 Bb2 34.Ke2+– (34.Re2?! Rd1 35.Re1 Re1 36.Ke1 Qe4 37.Kd2 Qd4 38.Kc2 Qc3 39.Kb1 Qc1 40.Ka2 Qa1 41.Kb3 Qa3 42.Kc2 Qc3 43.Kb1 Qc1 44.Ka2 Qa1 45.Kb3 Qa3 46.Kc2 Qc3 47.Kb1 Qc1 48.Ka2 Qa1 49.Kb3 Qa3=)) 33.Ng3 (better is 33.g3 Qh5 34.Nd2 Qg6 35.Qg6 Bg7+–) 33...Ne2 (33...Qf4 34.Qe7 Ne2 35.Ne2 Qf8 36.Qe5 Kh7+–) 34.Ne2 Qh2 35.Kf1 Bc3 36.Ng1 (36.Ng1 Be5 37.Nh3 Qg1 38.Ng1 Rd2 39.Rh6; 36.Ng3 Qg1 37.Kg1 Be1 38.Rh6) 1–0. Karasev,Vladimir I – Tseitlin,Mark D, Riga, 1970. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Be2 Qc7 9.0-0 b6 (9...cd4 10.Nd4 Ne5 11.Qb3=) 10.Nbd2 (10.Nc3 Bb7=) 10...Bb7 11.Rc1 Rad8 12.Qc2 Rfe8 13.Rfd1 h6 14.d5 Nf8 (14...e6 15.de6 Re6 16.h3=) 15.e4 e5 (15...N8d7 16.Re1=) 16.Ne1+= Bc8 (16...N8h7 17.h3+=) 17.Nf1 (17.Nd3 Bd7+/-) 17...Qe7 (17...cb4!? 18.ab4 N8d7+=) 18.Ne3+/- N8h7 19.Bc3 Rf8 20.bc5 bc5 21.Bd3 (21.Rb1 h5+/-) 21...Nh5 22.Rb1 Nf4 23.Bf1 f5 (23...Nf6 24.Rb2+/-) 24.Ba5 (24.ef5 gf5 25.h4 Nh5=) 24...Rde8+= 25.ef5 gf5 26.Rb8 (26.g3!? Ng6 27.f3+=) 26...e4= 27.g3 Ng6 28.N3g2 (28.N1g2 Ng5 29.Kh1 f4 30.Nf4 Nf4 31.gf4 Rf4–+) 28...Bd4 29.Bc3 (29.Rb3 Qg7 30.Bd2 f4 31.gf4 Nf4 32.Bf4 Rf4–/+) 29...Qg7–/+ 30.Bd2?? (better is 30.Bd4 cd4 31.c5–/+) 30...f4–+ 31.Rc8 (31.Nf4 Nf4 32.Kh1 Nh3 33.Bh3 Bh3 34.Re8 Re8–+) 31...Rc8 32.Qe4 Rce8 (32...Rce8 33.Qb1 fg3–+) 0–1. Kubien,Jerzy (2250) – Kwiecien,Zbigniew (2220), Poland–chT2 Polanica Zdroj, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.a3 Nbd7)

7.a3 Bg4

8.Be2 Qb6 9.Qa4=.

8.Be2 Nc6 9.d5 Bf3 10.gf3 (10.Bf3 Ne5 11.Qe2 Nf3 12.Qf3 Qc7=) 10...Ne5 11.Qb3 (11.bc5 Qa5 12.Nd2 Qc5=) 11...b5 (11...Qb6 12.Nd2=) 12.cb5+= c4 13.Qd1 Qd7 (13...Rc8+=) 14.0-0 (14.f4!? Nd3 15.Bd3 cd3 16.Qd3+/-) 14...Qh3 (14...Qb5!? 15.Nc3 Qd7=) 15.Be5+/- de5 16.Nc3 Rfd8 17.Rc1 (17.Qc2 e4 18.Ne4 Ne4 19.Qe4 Ba1 20.Ra1 c3+=) 17...e6 (17...Rac8 18.Qc2+=) 18.d6 (18.Bc4 Rac8 19.Bb3 Rc7+=) 18...e4 (18...Bf8 19.Qc2+=) 19.fe4 Ne8 20.d7 Nf6 21.Bf3 (21.Qd6 Nd7 22.Qg3 Qg3 23.hg3 Nb6+=) 21...Nd7 22.Bg2 Qh4 23.Qf3 Ne5 24.Qg3 Qg3 25.hg3 Rd3 26.Rc2 Rad8 27.Rfc1 g5 28.Bf1+= g4 29.Be2 Rd2 30.a4 Bf8= 31.Na2 Nf3 32.Kf1+= c3 33.a5 Rc2= 34.Rc2 Nd2 35.Ke1 Ne4+/- 36.Bg4 Rb8? 37.Bf3+– Nd6 38.b6 ab6 39.a6 Nb5 40.Bc6 Na7 41.Bb7 Nb5 42.Ke2 Bg7 43.Nc1 Kf8 44.Nb3 Ke7 45.Ra2 Rd8 46.Be4 Na7 47.g4 h6 48.b5 Rd7 49.Na5 Kd6 50.Nc6 Kc5 51.Bd3+/- Rc7 52.Kd1 f5 53.gf5 ef5 54.Na7 Ra7 55.Ra4 Be5? 56.Rc4 Kd5 57.Rc6 (57.Rc6 f4 58.e4 Kd4 59.Kc2+–) 1–0. Lenic,L (2580) – Le Roux,JP (2480), Mitropa Cup m, Olbia ITA, 2008. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 c5)

8.Be2 Nbd7 9.0-0 Qc7 10.Nbd2 Rad8 (10...cd4 11.Bd4 Rfc8 12.e4=) 11.h3+= Bf3 12.Nf3 b6 13.Qc2 e5 14.de5 de5 15.Rad1 Rfe8 16.Nd2 Qb7 (16...cb4 17.ab4 a5 18.ba5 ba5 19.Ra1=) 17.Nb1 e4 18.Nc3 a6 19.Qb3 Rc8 20.Rd2 Ne5 21.Rfd1 Bh6 (21...cb4!? 22.Qb4 Nc6+=) 22.bc5 Rc5 23.Rd6 Nf3?? (better is 23...Rc6+/-) 24.Kh1 (better is 24.Bf3 ef3 25.Rf6 fg2+–) 24...Rh5 (24...Rc6 25.gf3 Bg7+–) 25.Rf6 (25.gf3 Qc8 26.Bf1 Rh3 27.Kg1 ef3–+) 25...Qc7 (25...Qc8 26.Bf1+– (26.gf3 Qh3 27.Kg1 Qh1)) 26.Bf3 (26.gf3?? Rh3 27.Kg1 Qh2 28.Kf1 Qh1#) 26...ef3 27.Rf3 1–0. Kaenel,Hansjuerg (2355) – Misiano,Franco (2255), Biel MTO op, 1997. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5 7.a3 Bg4)

8.h3 Bf5=.

7.b5 a6

8.a4 Qa5 9.Bc3 Qc7 10.dc5 Qc5 11.Nbd2 Bf5 (11...Nbd7 12.Bd3+=) 12.Be2+= Nbd7 13.0-0 e5 14.h3 Qc8 (14...ab5 15.ab5 h6 16.Ne1=) 15.g4= Be6 16.Ng5 Nc5 17.Bb4 (17.Qc2 h6 18.Ne6 Qe6=) 17...h6 18.Ne6 Qe6 19.Nb3 ab5 20.Bc5 (20.ab5 Ra1 21.Na1 e4=) 20...dc5+= (worse is 20...bc4 21.Qd6 Qd6 22.Bd6+–) 21.ab5 Ra1 22.Qa1 b6 23.Qb1 (23.Rd1 h5 24.gh5 gh5+=) 23...e4–/+ 24.Nd2 Re8 25.Kg2 (25.Rd1 Bf8+=) 25...Nh7 (25...Ra8 26.Rd1–/+) 26.Qa2 Ng5 27.Rd1 h5 28.Qa7 hg4 29.Bg4 f5 30.Be2 Rd8 31.h4 Nf7 32.Nf1 Rd1 33.Bd1 Be5 ½–½. Puoli,Hernan (2350) – Cunha,Eduardo Arruda da G, CADAP Championship, 2008. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.Nf3 0-0 5.b4 d6 6.Bb2 c5 7.b5)

8.a4 ab5 9.cb5 Ne4 10.Nbd2 Qa5 11.Qc2 Nd2 12.Qd2 Qd2 13.Nd2 cd4 14.ed4+= Bf5 15.Nc4 Nd7 16.Ne3 Nc5= 17.Nf5 gf5 18.dc5 Bb2+= 19.Ra2 Bc3 20.Kd1 dc5 21.Bd3 e6 22.Ke2 Rfd8 23.Rd1 Kg7 24.Bc2 Rd1 25.Bd1 Ba5 26.Ra3 Rd8 27.Rd3 Kf6 28.Rd8+= Bd8 29.Kd3 Ba5 30.Bf3 b6 31.Bc6 h5 32.f4 Ke7 33.g3 f6 34.Bf3= h4 35.gh4 e5 36.Bd5 ef4 37.h5+= Kf8 38.h6 f3 39.Ke3 f2 40.Kf2 f4 41.Kf3+– Bd2 42.Be6 f5 43.Bc4 Ke7 44.h7 Bc3 45.Kf4 Kf8?? 46.a5 ba5 47.b6 (47.b6 Bb2 48.b7 Bh8 49.b8Q Ke7 50.Qh8 Kd7 51.Qg7 Kc6 52.h8Q a4 53.Qhh6; 47.Kf5?! Ke7 48.b6 Kd7+–) 1–0. Wojcik,Ryszard (2010) – Janik,Piotr, Poland–chT2, 1998.

8.a4 cd4 9.ed4 Qa5 10.Qd2 Qd2 11.Nbd2 ab5 12.ab5 Ra1 13.Ba1 Bf5 14.Be2 Nbd7 15.0-0 Ra8 16.Bc3 d5 17.Ra1 Rc8 18.Ba5 dc4 19.Nc4 Nd5 20.Bf1 Ra8 21.Re1 h5 22.g3 Rc8 23.Ng5 b6 24.Bg2 Nc7 25.Nb6 Nb6 26.Bb6 Nb5 27.Nf3 (27.Re7? Bf6 28.Re1 Bg5–+) 27...Bf6 28.h4 Rc2 29.Ne5 Nc3 30.Bf3 Kg7 31.Kg2 Be6 32.Bc5 Bb3 33.Nd7 ½–½. Gierth,Karlheinz (2185) – Bodaan,Ton (2275), WC–2009–F–00003, 2009.

8.a4 cd4 9.ed4 e5 10.de5 de5 11.Be5 (11.Qd8 Rd8 12.Be5 Re8+=) 11...Qd1 (11...Qe7 12.Be2 Rd8 13.Qc1–/+) 12.Kd1 Bf5 (12...Nbd7 13.Bd4–/+) 13.Kc1 (13.Nc3!?=) 13...Nbd7+= 14.Bd4 Ng4 15.ba6 ba6 16.Ra2 Rab8 17.Nbd2 Bd4 18.Nd4 Nf2 19.Rg1 Be4 20.N2b3 Nd3 21.Kd2 N3c5 22.Kc3 Rfe8 23.Be2 Ba8 24.Nc5 Nc5 25.g3 h5 26.Rd1 h4 27.Kd2 Kg7 28.gh4 Re4–+ 29.Ke1 Rh4 30.Bf1 Re8 31.Re2 Re2 32.Be2 Rh2 33.Nc2 Rh1 34.Kd2 Rd1 35.Bd1 Na4 36.Ne3 Nc5 37.Kc3 Kf6 38.Kb4 Ne4 39.Ng4 Ke6 40.c5 f5 41.Nh2 g5 42.Be2 a5! 43.Ka5 Nc5 44.Kb4 Nd7 45.Nf3 Bf3 46.Bf3 g4 47.Bh1 f4 48.Kc3 f3 49.Kd2 Kf5 50.Ke3 Ne5 51.Kf2 Kf4 52.Kf1 Nc4 53.Kg1 Ne3 (53...Ne3 54.Kf2 g3 55.Ke1 f2 56.Kd2 f1Q 57.Bf3 Qf3 58.Kc3 g2 59.Kb4 Qb7 60.Kc3 Ke4 61.Kd2 g1Q 62.Ke2 Qb2) 0–1. Puoli,Hernan (2350) – Saglione,Eduardo (2470), LADAC Camp. Argentino Semifinales Grupo, 2008. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.Nf3 0-0 5.b4 d6 6.Bb2 c5 7.b5)

8.a4 Ne4 9.Bd3 d5 (9...Qa5 10.Kf1 Bf5 11.h4=) 10.0-0 Bf5 (10...cd4 11.Be4 de4 12.Nd4+=) 11.Qc2 ab5 12.ab5 Ra1 13.Ba1 e6 14.Rd1 Nd7 15.Nbd2 Nd2 16.Qd2 dc4 (16...Bd3 17.Qd3 Qc8 18.h3=) 17.Bc4 (17.Bf5 ef5 18.dc5 Ba1 19.Qd7 Qd7 20.Rd7+=) 17...Nb6 (17...Bg4 18.dc5 Bf3 19.gf3 Qg5 20.Kf1 Nc5 21.Bg7 Kg7 22.Be2=) 18.Be2 (18.dc5!? Qd2 A) 19.Rd2 Nc4 (19...Ba1 is the weaker alternative 20.cb6 Bf6 21.Bf1+=) 20.Bg7 Nd2 (20...Kg7?! 21.Rd4 Na5 22.c6–/+) 21.Bf8 Nf3 22.gf3 Kf8–+; B) 19.Nd2 Ba1 20.cb6+/-) 18...c4= Black has a new passed pawn: c4 19.Qb4 (19.Rc1 Qa8=) 19...Qc7 20.Nd2 Ra8 (20...Bd3!? 21.Bd3 cd3=) 21.e4+= Ra4 (21...Nd5 22.ed5 ed5 23.Bf3+/-) 22.Qc3 (22.Qb2 Qd7 23.ef5+/-) 22...e5= 23.ef5 ed4 24.Qc2 d3 (24...c3!?= might be a viable alternative) 25.Bd3+/- Ba1 26.Nc4! Ra8 27.fg6 hg6 28.Nb6 Qb6 29.Bc4 Bd4 30.g3 Rd8 31.Kg2 Rd6 32.Rd2 Rf6 33.Re2 0–1. Soldatov,Roman – Solomaha,Andrey, UKR–ch sf U16, 2001. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d6 6.e3 c5 7.b5 a6)

8.a4 Bf5 9.Bd3 Bd3 10.Qd3 Nbd7 11.0-0 a5 12.Nbd2 b6 13.Rad1 Qc7 14.d5 Rfd8 15.h3 Nf8 16.Nh2 e5 17.f4 ef4 18.ef4 Nh5 19.Bg7 Ng7 20.Ng4 Nd7? (better is 20...Nf5!?+/-) 21.Nh6+– Kf8 22.Ne4 f6 (22...Nf5 23.Nf5 gf5+–) 23.Qc3 Ne8 24.Ng5 1–0. Hickl,Thomas – Schuppert,Juergen, Bundesliga, 1980. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.b5)

8.Be2 cd4 9.ed4 d5 10.ba6 Na6 11.Nbd2 dc4 12.Nc4 Nd5 13.Qd2 Bd7 (13...Nac7 14.0-0+=) 14.0-0= Ba4 15.Rfc1 Nab4 16.Ba3 Nc2 17.Rc2 (17.Rab1 b5 18.Bc5 bc4 19.Bc4 Qd7+=) 17...Bc2+= 18.Qc2 b5 19.Bc5 bc4 20.Bc4 Qd7 21.Qe4 Nc3 (21...Rfd8 22.Ne5 Be5 23.Qe5+=) 22.Qh4 (22.Qe1 Nb5=) 22...Bf6 23.Ng5 Bg5 24.Qg5 Ne4 25.Qe7 Nc5 26.Qc5 Rfc8 27.Qd5 Qd5 28.Bd5 Ra4 29.g3 Rd4 30.Bb3 Rd2 31.Re1 Rc6 32.Re7 Rf6 33.f4 Rc6 34.Re1 Kf8 35.Rf1 Ke7 36.Rf2 Rcd6 37.h3 R6d3 38.Kg2 Rf2 39.Kf2 Rc3 40.Kg2 h5 41.h4 Kf6 42.Kf2 Rc7 43.Ke3 Kf5 44.Kf3 Rc3 45.Kg2 f6 46.Ba4 Rc7 47.Kf3 Rc3 48.Kg2 Rc7 49.Kf3 Ke6 50.Bb3 Ke7 51.Ke3 Rc3 52.Kf2 f5 53.Kg2 Rc7 54.Kf3 Kd6 55.Ba4 Re7 56.Bb5 Kc5 57.a4 Kb4 58.Kf2 Re6 59.Kf3 Kc3 60.Kf2 Rd6+= 61.Kf3 Rb6 62.Ke3 Rb7 63.Ke2 Kd4 64.Kf3 Rb6 65.Be8 Rf6 66.Bb5 Rf8 67.a5= ½–½. Kempinski,Robert (2385) – Fominyh,Alexander (2515), Cappelle op, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.b5)

8.a4 ab5 9.ab5 Ra1

10.Ba1 Ne4 11.Nc3 Nc3 12.Bc3 cd4 13.ed4 Nd7 14.Bd3 e5 15.0-0 f5 16.de5 de5 17.Bb4 Re8 Black prepares the advance e4 18.c5 e4 19.Bc4 Kh8 20.c6 Ne5?? (better 20...bc6 21.bc6 ef3 22.cd7 Bd7 23.Qf3 Qc7=) 21.Ne5+– Be5 22.Bf7 Qd1?? (better 22...Bh2 23.Kh2 Qc7 24.Kg1 Qf7 25.Bc3 Kg8+–) 23.Rd1 Re7 (23...Rg8 24.Bg8 bc6 25.Rd8+–) 24.Be7 (24.Be7 Kg7 25.Be6 bc6 26.Bc8 cb5 27.Rd7+–) 1–0. DEFFM – GuestWGVN, freechess.org, 2019.

10.Ba1 Ne4 11.Nbd2 Qa5 12.Be2 cd4 13.ed4 Bh6 14.Bb2 Bg4 15.Bc1 Nc3 16.Qc2 Ne2 17.Ke2 Bf5 18.Qb3 d5 19.Ne5 (worse 19.cd5 Rc8 20.Nc4 Qa1 21.Bh6 Qh1-/+) 19...Bg7 20.Ndf3 (20.cd5!? Qb6 21.Re1=) 20...dc4=+ 21.Nc4 Qd8 22.Be3 White prepares the advance b6 22...Be6 23.Qb4 Nd7 24.Rc1 Qa8 25.b6 (25.Nce5 Ne5 26.Ne5 Bd5=) 25...Qa2 26.Ke1 Rc8 27.Na5 (27.Nce5!? Rc1 28.Bc1-/+) 27...Rc1-/+ 28.Bc1 Qa1 29.Qa3 Qb1 30.Qb2 Qb2 31.Bb2 Bd5 (31...Nb6?! 32.Nb7 Nd7 33.Na5-/+) 32.Ba3 e6 33.Bc5? (better 33.Ke2-+) 33...Nc5 34.dc5 Bc3 35.Ke2 Ba5 36.Ne5 Kf8 (36...Bg2?! 37.f3 Bb4 38.c6 bc6 39.Nc6-+) 37.g3 f6 38.Ng4 (38.c6 Bc6 (38...fe5 39.c7 Bb6 40.c8Q Kg7 41.Qd7 Kg8 42.Qe8 Kg7 43.Qe7 Kg8 44.f3+/-; 38...Bb6?! 39.Nd7 Ke7 40.cb7-+) 39.Nc6 bc6-+) 38...Ke7 39.Kd3 e5 40.Ne3 Ke6 41.f4 (41.Nc2 f5 42.Ne3 Bb4-+) 41…Bb4 0-1. Graf,M (1830) - Goeke,B (2020), 27th Feffernitz Open, 2018.

10.Ba1 Bg4 11.Be2 cd4!? 12.ed4 Nbd7+=.

7.b5 b6

8.Be2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Bb7 12.0-0 Nbd7 13.Nbd2 Qc7 14.Qc2 Ra8 15.Rc1 Ra7 16.Bb2 Qb8 17.Ra1 Ra1 18.Ba1 Qa7 19.Qb2 Ne4 20.Ne4 Be4 21.Nd2 Bb7 22.Bf3 Bf3 23.Nf3 Qa4 24.Qc1 Qb3 25.Bb2 e5 26.de5 Ne5 27.Ne5 Be5 28.Be5 de5 29.h3 Qd3 30.g3 Kg7 31.Kg2 f5 32.Qb2 Qe4 33.f3 Qe3 34.h4 Qd4 35.Qe2 e4 36.fe4 Qe4 37.Qf3 Qf3 38.Kf3 Kf6 39.Kf4 h6 40.g4 fg4 41.Kg4 Ke5 42.Kg3 Kd4 43.Kg4 Kc4 44.h5 g5 45.Kf5 Kb5 46.Kg6 g4 47.Kh6 g3 48.Kh7 g2 49.h6 g1Q 50.Kh8 Qg6 51.h7 Qh7 52.Kh7 c4 53.Kg6 c3 54.Kf5 c2 55.Ke4 c1Q 56.Kd3 Qc4 57.Ke3 Kb4 58.Kd2 Qb3 59.Ke2 Qc3 60.Kf2 Qd3 61.Kg2 Qe3 62.Kf1 Qd2 63.Kg1 Kc3 64.Kf1 Kd3 65.Kg1 Ke3 66.Kh1 Kf3 67.Kg1 Qg2# 0–1. mihai740609 – bonkitonki, kurnik, 2012.

8.Be2 Bb7 9.0-0 Nbd7 10.Nbd2 d5 11.a4 Rc8 12.a5 dc4 (12...Qc7 13.ab6 ab6 14.Qb3=) 13.Nc4 cd4 14.Nd4 Nc5 (14...Qc7 15.Rc1 Nc5 16.ab6 ab6 17.f3=) 15.ab6+= ab6 16.Bf3 (better is 16.Ra7 Nfe4 17.Qa1+=) 16...Bf3 (better is 16...Nfe4!?=) 17.Qf3+/- (worse is 17.Nf3 Qc7 18.Be5 Qb7+=) 17...Nce4 (17...Nfe4!? 18.Nc6 Rc6 19.Bg7 Kg7 20.bc6 Qd5+/-) 18.Nc6+– (18.Nc6 Qe8 19.Rfc1+–) 1–0. Buss,Michael D – Wallington, corr USCF, 1984.

8.Be2 Bb7 9.0-0 e6 10.Nbd2 Nbd7 11.Qc2 d5 (11...a6 12.a4=) 12.Rfd1 (12.cd5 Nd5 13.Nc4 cd4 14.Nd4 Rc8=) 12...Re8 13.Rac1 Qc7 14.Qb1 (14.dc5 bc5 15.Nb3 Rec8=) 14...Rac8 (14...a6 15.ba6 Ba6 16.h3+=) 15.dc5 bc5 16.Qa1 Nh5 17.Nf1 (17.Bg7 Ng7 18.Bd3 Nh5+=) 17...d4= 18.ed4 Nf4 19.Ng3 Ne2 (19...cd4!? 20.c5 Nc5 21.Bd4 Bd4 22.Qd4 e5–/+) 20.Ne2= Bf3 21.gf3 cd4 22.Nd4 Be5 (22...Qe5 23.Nf5 Qf5 24.Rd7=) 23.c5 (23.h3!? Bf4 24.Rc3+=) 23...Bh2= 24.Kg2 Bf4 (worse is 24...Nc5 25.Nc6 Bd6 26.Bd4+/-) 25.c6 (25.Rc4 Ne5 (25...Nc5? 26.Nc6 Bd6 27.Qc1+–) 26.Rc3 Qe7+=) 25...Nb6 26.Ne2 (26.Rc3!?=) 26...Bc1+= 27.Qc1 e5 (27...Nd5 28.Rd3–/+) 28.Nc3 Red8 29.Ne4 f5 (29...Rd1 30.Qd1 Nc4 31.Bc3=) 30.Nc5 (30.Nf6!? Kf7 31.Nh7 Rd1 32.Qd1=) 30...Qe7+= 31.Rd8 Rd8 32.a4 h5 (32...Rd5 33.Ba3 Qg7 34.a5+/-) 33.Qh6 Kf7 34.Ba3 Nd5 (34...Rg8 35.c7 f4 36.Ne4 Qa3 37.Qh7 Rg7 38.Ng5 Kf6 39.Ne4 Kf7 40.Ng5 Kf6 41.Ne4 Kf7=) 35.Qh7+= Ke8 36.Qg8 Qf8 37.Qf8 Kf8 38.Ne6 Ke8 39.Nd8 Kd8 40.Bc5 (40.Bd6!? Nc3 41.Be5 Na4 42.Bd4+=) 40...Kc7+= 41.Ba7 Nc3 42.f4 Na4 43.fe5 Nc3= 44.Be3 Nb5+= 45.Kg3 Kc6 46.Kh4 Kd5 47.Bf4?? Nd4–+ 0–1. Smolenskij,J – Bergloef,H, corr 6–7 ICCF CUP–sf/02, 1994.

7.b5 cd4

8.ed4 b6 9.Be2 Bb7 10.0-0 Nbd7 11.Qb3 Rc8 12.Nbd2 d5 13.Rac1 dc4 14.Bc4 e6 15.Rfe1 Bh6 16.Rc2 Nh5 17.Ba3 Re8 18.Ne4 Be4 19.Re4 Ndf6 20.Re1 Nf4 21.Bc1 N6d5 22.Kf1 Bg7 23.g3 Nh5 24.Rce2 Nhf6 25.Ne5 Nd7?? (better is 25...h6=) 26.Nc6 Rc6 27.bc6 N7f6 28.Bg5 h6? (28...Nc7 29.Bf4 Nfd5 30.Bc7 Nc7+–) 29.Bf6 Nf6 30.d5! b5 (30...ed5 31.Re8 Double attack; 30...Nd5 31.Bd5 Combination) 31.Qb5 ed5 (31...e5+–) 32.c7! Qc7 33.Re8 Kh7 34.Bd5 a6 35.Qb7 Qc5 (35...Ne8 36.Re8 Qb7 37.Bb7+–) 36.Qf7 (better is 36.R8e5 Nd5 37.Rd5 Qc4 38.Kg2 Qc3+–) 36...Qd5 37.Qd5 Nd5 38.Rd1 Nf6 39.Re7 h5 40.Rd6 Kh6 41.Rg7! Kg7 42.Ra6 Ng4 43.Kg2 Ne5 44.a4 Kh6 (44...Nd3 45.Rd6 Nb4 46.a5+–) 45.a5 Kg5 1–0. Choma,Alexandre Pedro (2005) – Luz,Jhonatan (1820), Parana–ch Foz do Iguacu, 2008. (=1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c5 7.b5 cd4)

8.ed4 d5 9.Nc3 dc4 10.Bc4 Nbd7 11.0-0 Nb6 12.Bb3 Nbd5 13.Nd5 Nd5 14.Ne5 Be6 15.Qf3 Qd6 16.a4+= Rfc8 17.Ba3 Qd8 18.Rac1 Rc1 19.Rc1+/- Bf6 20.h3 Rb8 21.Rc5+/- Be5 22.de5 Nb6 23.Rc1 Bb3+= 24.Qb3 Qd5 25.Qd5 Nd5 26.a5 Kf8 27.Rd1 Rd8 28.Bc5 a6 29.ba6 ba6= 30.Bb6 Rd7 31.Rc1 Nb6 32.ab6 Rb7 33.Rc8 Kg7 34.Rc7 Rb6 35.Re7 g5 36.Ra7 Kg6 37.g4 Rb1 38.Kg2= Ra1 39.Kg3 a5 40.Ra6 Kg7 41.Ra7 ½–½. Gasimov,R (2405) – Mamedov,Nid (2605), ch–AZE, Baku AZE, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.b5)

8.ed4 d5 9.c5 Ne4 10.Nc3 Qa5 11.Qa4 Qa4 12.Na4 Bg4 13.Be2 Nd7 14.Ne5 Be2 15.Ke2 Be5 16.de5 Ndc5 17.Nc5 Nc5 18.Rac1 Rfc8 19.Bd4 b6 20.Rc2 Ne6 21.Rd2 Nd4 22.Rd4 e6 23.Rhd1 Rc2 24.R1d2 Rac8 25.f4 R8c5 26.a4 R5c4 27.Kf3 Rd2 28.Rd2 Ra4 29.Rc2 Rb4 30.Rc7 Rb5 31.Ra7 h5 32.g4? Rb3 (32...Rb3 33.Kf2 hg4–+) 0–1. Ebert,Lutz – Schwahn,Christian, Mecklenburg VP LL1, 1997. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 c5 7.b5 cd4)

8.ed4 d5 9.c5 e6 10.Be2 Bd7 11.0-0 a6 12.a4 a5 13.Nbd2 Qe7 14.Nb3 Ne4 15.Bd3 e5 16.de5 Bg4 17.Be2 Bf3 18.Bf3 Be5 19.Be5 Qe5+/- 20.Be4 de4 21.Re1 f5 22.f3 b6 23.fe4 fe4 24.c6 Ra7 25.Qd4 Qd4 26.Nd4 Re7 27.Re3 Nd7? 28.cd7 Rd7 29.Re4 Rfd8 30.Nc6 Rd1 31.Rd1 Rd1 32.Kf2 Ra1 33.Ne7 Kf7 34.Nc8 Ra2 35.Kf3 1–0. pawelpit – marwaw, kurnik, 2012.

8.ed4 Nbd7 9.Be2 b6 10.d5 Nc5 11.Nd4 Qc7 12.0-0 Bb7 13.Nd2 e5 14.Nc6 Bc6 15.dc6 d5 16.cd5 Nd5 17.Ne4 Ne4 18.Qd5 Nc5 19.Qc4 Rad8 20.Rad1 Rd1 21.Rd1 Rd8 22.Rd5 Rd5 23.Qd5 Ne6 24.Bc4 Nd8 25.g3 Ne6 26.h4 h5 27.Qe4 Qd6 28.Be6 fe6? (28...Qe6 29.Qd3 Bf6+– (29...Qa2?? 30.c7 Qb2 31.c8Q Bf8 32.Qe8 Qa1 33.Kg2+–)) 29.Qc4 (29.Qc4 Qd1 30.Kg2+–) 1–0. Mikhalchishin,Adrian (2530) – Ankerst,Mihael, Bled op, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.b5)

8.ed4 e5 9.Be2 e4 10.Nfd2 a6 11.a4 Re8 12.Nc3 ab5 13.ab5 Ra1 14.Qa1 Bg4 15.Qd1 e3 16.fe3 Re3 17.0-0 Be2 18.Ne2 Nbd7 19.Ng3 d5 20.Qc2 Ng4 21.cd5 Re8 22.Nc4 Nb6 23.d6 (23.Nb6 Ne3 24.Qc5 Nf1 25.Nf1 Bf8–/+) 23...Qc8 24.Na3 Qe6 25.Qd3 Qd6 26.Nc2 Qd5 27.Bc1 Rc8 28.Ne2 Ne5 29.Qd1 Nec4 30.Nc3 Qd7 31.Rf3 Nd5 32.Nd5 Qd5 33.Rc3 Qb5 34.Ne3 Qa6 35.Nc4 Rc4 36.Rc4 Qc4 37.Be3 Qd5 38.Kf2 b5 39.Qf3 Qf3 40.Kf3 f5 41.d5 Kf7 42.Bc5 Bf8 43.Bd4 Ke7 44.Be5 Kd7 45.h3 Bd6 46.Bd4 Be7 47.Be5 Bd8 48.Bg3 b4 49.Ke3 b3 50.Be5 Bg5 51.Kd3 Bc1 52.g3? (better is 52.h4!?–/+) 52...g5–+53.Kc3 b2 54.Kc2 h5 55.Kb1 f4 56.gf4 gf4 57.Bf4 Bf4 ½–½. Korchut,Adam (1990) – Llorente,Jose Luis (2095), RA–2010-0-00093, 2010.

8.ed4 e5 9.Be2 e4 10.Nfd2 Re8 11.0-0 h5 12.Nc3 Bf5 13.Re1 a6 14.a4 ab5 15.ab5 Ra1 16.Qa1 Nbd7 17.Nf1 Nf8 18.Ne3 Ne6 19.Ncd5 Nd5 20.Nd5 h4 21.Ne3 Qa8 22.Rd1 Qa1 23.Ba1 Ra8 24.g3 Bh3 25.Bf1 Bf1 26.Kf1 h3 27.Nd5 Ng5 28.Bc3 Ra2 29.c5 dc5 30.dc5 Bc3 31.Nc3 Rc2 32.Na4? (better is 32.c6 bc6 33.b6 Rc3 34.Rb1+=) 32...e3! 33.fe3 (33.fe3 Rh2 Pinning (33...Rh2 Deflection)) 33…Nf3 (33...Nf3 34.Rd8 Kg7–+) 0–1. Mikhalchishin,Adrian (2540) – Svidler,Peter (2710), Gawlikowski Memorial, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.b5 cd4)

8.ed4 e5 9.de5 de5 10.Qd8 (10.Ne5?? Qd1 11.Kd1 Ng4–+) 10...Rd8 11.Be5 (11.Ne5 Re8 12.f4 Ng4–/+) 11...Re8 12.Be2 Re5! 13.Ne5 Nfd7 14.Nc3 Be5 15.Rc1 Bc3 (15...Nf6 16.g3–/+) 16.Rc3 Nc5 17.0-0 Be6 18.Rd1 Nbd7 19.Bf3 a6 20.Ra3 (20.a3 Kg7–/+) 20...a5 (20...Ne5 21.ba6 Nf3 22.gf3 ba6 23.Rd4–/+) 21.g3 (21.Rd4 Kg7+=) 21...a4 (21...Ne5 22.Bd5–/+) 22.Re3 (better is 22.Rd4+=) 22...Kf8?? (22...Bc4 23.Bb7 Rb8 24.Bf3–/+) 23.a3?? (better is 23.Bb7 Nb7 24.Re6 fe6 25.Rd7+=) 23...Re8 (23...Bc4 24.Bb7 Rb8 25.Bg2–/+) 24.Rde1 (24.Rd4!?+=) 24...Nb6 25.Re5? Nd3–+ (25...Nd3 26.Re6 Re6–+ (26...fe6?! 27.Re4–+; 26...Ne1?! 27.Rb6 Nf3 28.Kg2–+)) 0–1. Myers,Hugh Edward – Dubeck,Leroy, USA op Chicago, 1973. (=1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e3 0-0 5.Nf3 d6 6.d4 c5 7.b5)

8.ed4 e5 9.de5 Ng4 10.Be2 Ne5 11.Ne5 de5 12.0-0 Nd7 13.Nc3 Nc5 14.Ba3 b6 15.Na4 Qd1 16.Bd1 e4 17.Rb1 Bd4 18.Bb2 Bb2 19.Nc5 bc5 20.Rb2 Be6 21.Be2 Rfd8 22.a4 Rd4 23.Rc1 Rad8 24.a5 Rd2 25.Rcb1 Rb2 26.Rb2 Kf8 27.f3 ef3 28.gf3 g5 29.Kf2 Ke7 30.Ke3 Rd4 31.b6 ab6 32.a6 Rd8 33.a7 Ra8 34.Ra2 Bc8 35.Bd3 f5 36.f4 h6 37.Be2 Bb7 38.Bd3 Kf6 39.fg5 hg5 40.Be2 0–1. Papazov – Balogh, Tallinn 1997.

8.Nd4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Bf5 12.Nf5 gf5 13.Nd2 d5 14.Be2 dc4 15.Nc4 Qc7 16.0-0 Ng4 17.Bg4 fg4 18.Bg7 Kg7 19.Qd4 Kg8 20.Qg4 Kh8 21.h4 Nd7 22.h5 Nf6 23.Qf5 Qc4 24.h6 Rg8 25.f3 b6 26.e4 Qc5 27.Qc5 bc5 28.b6 Rb8 29.Rb1 Nd7 30.b7 f6 31.Rb5 Kg8 32.Kf2 Kf7 33.g4 Kg6 34.f4 Kh6 35.Kf3 Kg6 36.Kg3 h5 37.gh5 Kh5 38.f5 Kg5 39.Kf3 Kh6 40.Kg4 Kg7 41.Kf4 Kf8 42.Rb1 Ke8 43.Ke3 Kd8 44.Kd3 Kc7 45.Kc4 Rb7 46.Rb7 Kb7 47.Kd5 Kc7 48.Ke6 Kd8 49.Kd5 Kc7 50.Ke6 c4 51.Ke7 c3 52.e5 fe5 53.f6 Nf6 54.Kf6 e4 55.Ke5 e3 56.Kd4 e2 57.Kc3 e1Q 58.Kd4 Kd6 0–1. avinoam – delonghi, kurnik, 2012.

8.Nd4 Nbd7 9.Nd2 Nc5 10.Be2 e5 11.N4f3 Bg4 12.h3 Bf5 13.0-0 Rc8 14.a4 Re8 15.Nb3 Nfe4 16.Nfd2 Nd2 17.Nd2 d5 18.Nb3 (18.cd5!? Qd5 19.Bc4+=) 18...dc4–/+ 19.Qd8 Red8 (19...Rcd8?! 20.Nc5 b6 21.Nb7+=) 20.Bc4 Nd3 21.Bd3 Rd3 (21...Bd3?! 22.Rfc1 b6 23.Rc8 Rc8 24.Rd1+=) 22.Na5 Rc2 23.Rab1 Rdd2 24.Ba1 Be4 25.Rbd1 f6 26.Nb3 Rd1 27.Rd1 Bf8 28.Rd7 0–1. Fournier,Frederic – Ljubicic Ante, Match FRA–CRO, 1996. (=1.e3 g6 2.d4 Bg7 3.Nf3 Nf6 4.c4 0-0 5.b4 d6 6.Bb2 c5 7.b5)

8.Nd4 Bg4 9.Be2+= Be2 10.Qe2 Nbd7 11.0-0 Nc5 (11...Qc7 12.Nd2+=) 12.Nc3 Nfe4 (12...a6 13.Rfd1+=) 13.Ne4= Ne4 14.Qc2 Nc5 15.a4 e5 (15...Rc8 16.Rfd1=) 16.Nb3= Nb3 17.Qb3 Rc8 18.Rfd1 Qg5 (better is 18...Qc7!?=) 19.Rd6+/- Rfd8 20.c5 (20.Rd5 Qf5+/-) 20...Bf8 (better is 20...Rc5!? 21.Rad1 Rd6 22.Rd6 Bf8+=) 21.Rd8+/- Rd8 (21...Qd8 22.Rd1 Qe8 23.Rc1+/-) 22.c6+– bc6 23.bc6 Bd6 24.Rd1 Qh5?? (better is 24...Rb8 25.Qc3 Qe7+–) 25.Rd6! Rd6 26.Qb8 Kg7 27.Qd6 f6 28.c7 Qg4 29.h3 (29.h3 Qf5 30.Qe7 Kg8 31.e4 Qc8 32.Qd8 Kg7 33.Qc8 a6 34.Qd7 Kh6 35.Bc1 g5 36.Qf7 f5 37.c8Q fe4 38.Qa6) 1–0. DEFFM – GuestCYGD, freechess.org, 2018.

7.b5 Nbd7

8.Be2 a6 9.Nbd2 cd4 10.ed4 ab5 11.cb5 Nb6 12.a4 Nbd5 13.0-0 b6 ½–½. Sokolsky,Aleksey P – Bannik,Anatoly, corr 06 ch USSR 6364, 1963.

8.Be2 b6 9.Nbd2 Bb7 10.0-0 d5 11.Qb3e6 12.Rfd1 Qe7 13.a4 a5 14.ba6 Ba6= 15.Ne5 Rfc8 16.Bf3 dc4 17.Ndc4 Bc4 18.Nc4 Rab8 19.Rac1 Ne8 20.Ne5 Ne5+= 21.de5 Qa7 22.Be2 Rd8+= 23.Bb5 Nc7 24.Bc6 Na6 25.Bc3 Rbc8 26.Rd8 Rd8+= 27.Rd1 Qc7 28.Bb5 Nb8 29.f4 Bf8 30.Kf2 Rd1+= 31.Qd1 Nc6 32.Qd2 Ne7 33.e4 Nc6 34.Kf3 Nb4 35.g4 Qe7 36.g5 h6 37.h4 h5 38.Qd1 Qc7 39.Qd2 Qe7 40.Qd1 Qc7 41.Bc4 Qc6= 42.Be1 Qc7 43.Bf2 Qa7 44.Bb5 Qc7 45.Qd7 Qd7 46.Bd7+/- Be7 47.Ke2 Kf8 48.Bb5 Nc2 49.Kd2 Nd4 50.Bf1 Ke8 51.Kc3 Kd7 52.Kc4 Kc7 53.Bd4 cd4 54.Bd3 Ba3= 55.f5 Bc1 56.Be2 Bf4 57.Kd4= Bg3? 58.Bh5+– Bh4? 59.Bg6! Bg5 60.Bf7 ef5 61.ef5 Kd7 62.Bd5 Bc1 63.Ke4 Bb2 64.f6 Ke8 65.Kf5 Kf8 66.e6 Ke8 67.e7 Ba3 68.Ke6 Be7 69.fe7 b5 70.Bc6# 1–0. Brehovsky,P (2140) – Newrkla,Katharina, 15th Open A, Vienna AUT, 2006. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 c5 7.b5)

7.b5 Ne4

8.Qc2 A) 8...cd4 9.ed4 Nf6 (9...Qa5 10.Nc3 Nc3 11.Bc3 Qc7 12.Bd3 Nd7 13.0-0 Nb6; 9...d5 10.Bd3 a6 11.0-0 Nf6 12.Nbd2 dc4 13.Qc4 ab5) 10.Bd3 a6 11.Nc3 ab5 12.cb5 Bg4 13.Ng5 Qb6; B) 8...Qa5 B1) 9.Nc3 cd4 (9...Nc3 10.Bc3 Qc7 11.Bd3 cd4 12.ed4 Nd7 13.0-0 Nb6) 10.ed4 Nc3 11.Bc3 Qc7 12.Bd3 Nd7 13.0-0 Nb6; B2) 9.Nbd2 cd4 (9...Bf5 10.Bd3 cd4 11.Bd4 Nd2 12.Qd2 Qd2 13.Kd2 Bd3) 10.ed4 Bf5 11.Bd3 d5 12.0-0 Nd2 13.Nd2 Bd3; C) 8...f5 C1) 9.Nc3 Nc3 (9...cd4 10.ed4 Nd7 11.Be2 Ndf6 12.0-0 Be6 13.d5 Bd7; 9...Nd7 10.Be2 Ndf6 11.Nd2 cd4 12.ed4 Bh6 13.Nde4 fe4) 10.Bc3 Nd7 11.Be2 cd4 12.ed4 Nf6 13.0-0 Ne4; C2) 9.Bd3 cd4 (9...Nd7 10.0-0 cd4 11.ed4 e5 12.Be4 fe4 13.Qe4 Nf6; 9...a6 10.0-0 ab5 11.cb5 cd4 12.ed4 d5 13.Nc3 Be6) 10.ed4 Nd7 11.Nc3 Nc3 12.Bc3 e5 13.de5 de5; D) 8...Nf6 D1) 9.Nc3 Qc7 (9...Nbd7 10.Bd3 Qc7 11.0-0 cd4 12.ed4 Nb6 13.Nd1 Bg4; 9...a6 10.Bd3 cd4 11.ed4 Bg4 12.Ng5 ab5 13.cb5 Qb6; 9...cd4 10.ed4 a6 11.Bd3 Bg4 12.0-0 ab5 13.cb5 Bf3) 10.Bd3 cd4 11.ed4 Be6 12.0-0 Nbd7 13.Nd1 a6; D2) 9.Nbd2 cd4 (9...a6 10.Bd3 ab5 11.cb5 cd4 12.ed4 Be6 13.0-0 Nbd7) 10.ed4 a6 11.Bd3 ab5 12.cb5 Be6 13.0-0 Nbd7; D3) 9.Bd3 cd4 (9...a6 10.Nbd2 ab5 11.cb5 cd4 12.ed4 Be6 13.0-0 Nbd7) 10.ed4 a6 11.Nc3 ab5 12.cb5 Bg4 13.Ng5 Qb6.

8.Nbd2 A) 8...f5 9.Bd3 Nd2 (9...cd4 10.ed4 Nd7 11.Ne4 fe4 12.Be4 Nc5 13.Bc2 Qa5; 9...a6 10.Ne4 fe4 11.Be4 ab5 12.0-0 bc4 13.Bd5 e6) 10.Qd2 Nd7 11.0-0 e5 12.de5 Ne5 13.Be2 Be6; B) 8...Qa5 B1) 9.Be2 cd4 (9...Nc3 10.Bc3 Qc3 11.0-0 Bf5 12.e4 Be6 13.Rc1 Qa3; 9...Bf5 10.0-0 Nc3 11.Bc3 Qc3 12.Rc1 Qb4 13.h3 a6; 9...Nd7 10.0-0 Nd2 11.Qd2 Qd2 12.Nd2 cd4 13.ed4 Nc5) 10.Nd4 Bd4 11.ed4 Nc3 12.Qb3 Ne2 13.Ke2 Nd7; B2) 9.Qc2 Bf5 (9...cd4 10.Nd4 Nd2 11.Qd2 Qd2 12.Kd2 Nd7 13.Be2 Nc5) 10.Bd3 cd4 11.ed4 d5 12.0-0 Nd2 13.Nd2 Bd3.

8.Bd3= Qa5 9.Nbd2 (9.Nc3 Nc3 (9...cd4 10.ed4 Nc3 11.Qd2 Nd7 12.0-0 Qc7 13.Bc3 Nb6) 10.Qd2 cd4 11.ed4 Qc7 12.Bc3 Nd7 13.0-0 Nb6) 9...Bf5 (9...cd4 10.ed4 (10.Bd4 Nc5 11.Qc2 Be6 12.0-0 Nbd7 13.Nb3 Qa4) 10...Nc5 11.Bc2= a6 12.a4 Bg4 13.0-0 Nbd7) 10.Qc2 Nd2 (10...cd4 11.ed4 d5 12.0-0 Nd2 13.Nd2 Bd3) 11.Nd2 (11.Qd2 Qd2 12.Kd2 Bd3 13.Kd3 Nd7) 11...Bd3 12.Qd3 Nd7 (12...a6 13.Bc3 Qa3) 13.0-0 ½–½. Kadziolka,Beata (2285) – Toma,Katarzyna (2260), Poland Ch women (11), 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

7.b5 Bg4

8.Bd3 b6 (8...cd4 9.ed4 (9.Bd4? e5–+) 9...d5 10.Nbd2=) 9.0-0 cd4 10.ed4 Nbd7 (10...d5 11.Nbd2=) 11.Nbd2 (11.h3 Bf5+=) 11...Nh5 (11...d5 12.Re1+=) 12.h3 (12.Be4 Rc8+=) 12...Bf3 13.Nf3 (13.Qf3 Nc5 14.dc5 Bb2=) 13...Nf4 14.Be4 (14.Re1 d5+=) 14...Rc8 (14...d5 15.Bd5 Nd5 16.cd5=) 15.Rc1+= Nc5 16.Bc2 (16.dc5 Bb2 17.Rc2 Ba3+=) 16...Nce6 17.Bb3 Nc5 18.dc5 (18.Bc3 Ncd3 19.Rc2 e5=) 18...Bb2 19.Rc2 Ba3 20.c6 Bc5 21.g3 Nh5 22.Kg2 Nf6 (22...Qc7 23.Re2=) 23.Re2 e5 (23...Qc7 24.Rfe1 Rfe8 25.Qd2=) 24.Qc1 (24.Qd2 Re8+=) 24...Nh5 (24...Kg7 25.Rd1 Qc7 26.Bc2+=) 25.Qh6 Qf6 (25...f5 26.Rd1 Qf6 27.Red2+=) 26.Ng5+– Qg7 27.Qg7 Ng7 28.Ne4 Ne6 29.Nc5 (29.Rfe1 Nd4 30.Re3 Kg7+=) 29...Nc5 (29...bc5!? 30.Rd2 Nd4+=) 30.Rd1+– Rfd8 31.Red2 Ne4 (31...Kf8 32.Rd6 Rd6 33.Rd6+–) 32.Rd3+– f5? (better 32...Kf8+–) 33.c5 Kg7 34.cd6 1–0. Anonymous – Anonymous, lichess.org, 2020.

8.d5 Re8 (8...a6 9.ba6 Na6 10.Be2=+) 9.Be2= a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Ne4 (12...Nbd7 13.0-0=) 13.Bg7+= Kg7 14.0-0 Nd7 15.h3 (15.Nfd2 Be2 16.Qe2 Nd2 17.Nd2 Nf6+=) 15...Bf3= 16.Bf3 Nef6 17.Re1 Nb6 18.Qc2 Qa8 19.Nd2 Qa4 (better 19...Qa5=) 20.e4?? (better 20.Qa4 Na4 21.Ra1+=) 20...Qc2-+ 21.Rd1 Ra8 0-1. belja (1945) - goraja (2005), Rated Classical game, lichess.org, 2014. (=1.d4 Nf6 2.e3 g6 3.c4 Bg7 4.b4 d6 5.Bb2 0-0 6.Nf3 c5)

7.bc5 dc5

8.Nc3 cd4 9.ed4 Bg4 (9...Nc6 10.d5 Na5 11.Bd3–/+) 10.h3 (10.Be2 Nc6+=) 10...Bf3–/+ 11.Qf3 Nc6 (11...Qd4 12.Rb1 (12.Qb7? Nc6 13.Qc6 Rab8–+) 12...Qc5 13.Qe3 Qe3 14.fe3–/+) 12.d5+= Nd4 13.Qd1 e5 (13...Qa5 14.Rc1 Qb4 15.Qd2+=) 14.Bd3= Re8 Black intends e4 15.Ne4? (15.0-0 e4 16.Bc2 Nc2 17.Qc2 Rc8–/+) 15...Nh5 (15...Ne4 16.Be4 Qb6 17.Rb1 Qb4 18.Qd2 Qc4 19.Qd3 Qd3 20.Bd3–+) 16.0-0 (16.Bd4 ed4 17.0-0 f5+=) 16...f5 17.Nc3?? (better is 17.Nc5 e4 18.Be4–/+) 17...e4–+ 18.Be2? (18.Bc2 Nf4 19.Re1–+) 18...Nf4 19.Re1 (19.Kh1 Qh4 (19...Nfe2?! 20.Ne2 Ne2 21.Qe2=; 19...Nde2?! 20.Ne2 Bb2 21.Nf4 Ba1 22.Qa1–+) 20.Bg4 Nd3–+) 19...Qg5 (19...Nfe2?! 20.Ne2 Nf3 21.gf3 Bb2 22.Rb1 Qg5 23.Ng3–/+; 19...Nde2?! 20.Ne2 Bb2 21.Nf4–/+) 20.g3 (20.Bg4 Nd3 21.Ne4 fe4 22.Rb1–+) 20...Nh3 21.Kg2 Nf4 22.Kh2 (22.Kf1 Qh6 23.Bh5 Nd3–+) 22...Qh6 23.Kg1 Nfe2 24.Re2 (24.Kg2 f4 25.Ne2 f3 26.Kg1–+) 24...Nf3 0–1. queensservant (1735) – santis (2045), gameknot.com, 2012. (=1.d4 g6 2.c4 Bg7 3.Nf3 Nf6 4.b4 0-0 5.e3 d6 6.Bb2 c5 7.bc5 dc5)

8.dc5 Na6 9.Qd8 Rd8 10.Nbd2 Nc5 11.Be2 Bf5 12.Bd4 Nd3 13.Bd3 Bd3 14.Ne5 Be4 15.f3 Bc6 16.Nc6 bc6 17.Rb1 Nd7 18.Bg7 Kg7 19.Ke2 Nc5 20.Rhd1 Na4 21.Rdc1 Rab8 22.Nb3 Kf6 23.Rc2 e5 24.c5 Rb4 25.Rbc1 (25.a3 Rb5 26.Rc4 Rdb8 27.Ra4 Rb3 28.Rb3 Rb3+/-) 25...Ke6 (25...Rd7 26.Rc4 Rdb7 27.f4+=) 26.e4 (26.Na5 Rb5 27.Nc6 Rd7+/-) 26...f5 (26...Rb5 27.Rd2 Rd2 28.Kd2=) 27.Rc4 (better 27.Na5!? Rc8 28.Rd1 fe4 29.Rd6 Kf5 30.Nc6 ef3 31.Kf3 Rf4 32.Ke3+/-) 27...Rc4 28.Rc4 Nb2 29.Rc3 Na4 30.Rc4 Nb2 31.Rc3 Na4 32.Rc4 ½-½. bjoernsen (2360) - Rimigug (2505), Rated blitz game, lichess.org, 2022.

8.dc5 Nbd7 –/+.

8.Nbd2 cd4 9.ed4 Nh5 10.Be2 Nc6 11.Nb3 a5 12.Qd2 a4 13.Nc1 Qc7 (13...Nf6 14.Rb1=) 14.Nd3 Nf6 15.0-0 (better is 15.Rb1!?=) 15...a3–/+ 16.Bc1 Rd8 17.Qf4 Qf4 18.Nf4 (18.Bf4? Nd4 19.Nd4 Rd4–+) 18...Ne4 19.Be3 Nb4 (better is 19...Bd4!? 20.Bd4 Nd4 (worse is 20...Rd4 21.Nd4 Nd4 22.Rfe1+=) 21.Nd4 Rd4–/+) 20.Rfc1 g5 21.Nd5 Nd5+= 22.cd5 h6 23.Rc7 Nf6 24.Bc4 Ne8 25.Rc5 b6 26.Rc6 Nd6 27.Bb3 Rb8 28.Re1 Bd7 29.Rc7 Nb5 30.Rcc1 f6 31.Nd2 Kf8= 32.h3 f5+= 33.Nf3 f4 34.Bd2 Nd4 35.Nd4 Bd4 36.Bb4 Bc5 37.Bc5 bc5 38.Rc5 Rdc8 39.Rec1 Ke8 40.Kf1 Bb5 41.Ke1 Kd7 42.Kd2 Rc5 43.Rc5 Kd6 44.Rc3 Bd7 45.Rc4 Rb5 46.Re4 Rb8 47.h4 gh4–/+ 48.Kc3 f3 49.gf3 h3 50.Rh4 Rf8 51.f4 Kc5 52.f5 Bf5 53.Rh6 Bd7–+ 54.d6 Rf3 55.Kd2 Rb3! (55...Rb3 56.de7 Rb8–+) 0–1. Girya,O (2375) – Nebolsina,V (2345), ch–RUS Higher League w, 2010. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Nbd2 Ne8 9.Be2 Nc6 10.Nb3 cd4 11.Nfd4 Qc7 12.0-0 a6 13.Rc1 Nf6 14.Nc6 Qc6 15.Be5 Bf5 16.Qd4 (16.Nd4 Qc5 17.Nf5 Qe5 18.Ng7 Kg7+=) 16...Rfd8 17.Qb2 Be4 18.f3 Bd3 19.Bd3 Rd3 20.Bd4 e5 21.Be5 Re3 22.Bd4 Ree8 23.Na5 Qc7 24.Bb6 (24.Nb7!? Rab8 25.Bf6 Rb7 26.Qd4 (26.Bg7?? Rb2 27.Bb2 Qb6 28.Rf2 Re2–+) 26...Bf6 27.Qf6 Qc5 28.Kh1+=) 24...Qe7= 25.Qb3 Nd7 26.Bf2 (26.Nb7 Nb6 27.Qb6 Rab8+=) 26...b6 27.Nc6 Qd6 28.Nb4 Nc5 29.Qd1 Qd1 30.Rfd1 Re2 31.Nd5 Na4 (31...Ra2? 32.Nb6 Rf2 33.Kf2+–) 32.Nb6 Nb6 33.Bb6 Ra2 34.c5 1–0. Krnic,Zdenko (2390) – D'Amore,Carlo (2340), Rome–B, 1986. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.Bd3 cd4–/+ 9.ed4 Nc6 10.Nbd2 Nb4 (10...Nh5 11.Nb3–/+) 11.Bb1 (11.Be2 Bf5 12.0-0=) 11...Bf5 (better is 11...Nh5!?+=) 12.Bf5+= gf5 13.Qb3 (13.Qb1 e6+=) 13...Nc6 14.d5 (14.0-0 Ne4 15.Qe3 Na5+=) 14...Na5= 15.Qb4 (15.Qd3 b5 16.Qf5 Nc4 17.Bf6 e6 18.de6 Qf6 (worse is 18...Bf6 19.Nc4 bc4 20.Rc1+/-) 19.Qf6 Bf6=) 15...b5 16.Bf6 (better is 16.cb5!? Nd5 17.Qa3=) 16...Bf6–/+ 17.Rc1 (17.Rd1 bc4 18.Nc4 Nc4 19.Qc4 Qa5 20.Kf1 Rac8–/+) 17...Nc4 (17...bc4 18.Nc4 Nc4 19.Qc4–+) 18.Qb5 Nb6 (18...Nb2 19.d6 Qd6 20.0-0–/+) 19.Rc5 (19.d6 e5 20.0-0 (20.Ne5? Be5 21.0-0 Bf4–+) 20...Qd6 21.g4+=) 19...Rc8–/+ 20.Rc8 Qc8 (20...Nc8?! 21.0-0+=) 21.0-0 Rd8 22.Nb3 (22.Qa5 Nd5 (22...Rd5?! 23.Qa7 Nd7 24.g3+=) 23.Qa7 e5–/+) 22...Rd5–+ 23.Qe2 Qc4 24.Qc4 Nc4 25.Rc1 (25.g3 Na5–/+) 25...Bb2 26.Rb1 a5 (26...Na3 27.Re1 a5 28.g3–+) 27.a4 (27.Nbd2 Nd2 28.Rb2 Ne4–/+) 27...e5 (27...Bc3 28.g3 Nb6 29.Nc5–+) 28.Nbd2 Nd2 29.Rb2 Nc4 30.Rb1 (30.Rb8 Kg7 31.g3–+) 30...Nb2 (better is 30...e4 31.Nh4 Kg7–+) 31.Kf1? (better is 31.Nh4+=) 31...Na4–+ 32.Ke1 (32.Ra1 Nb6–+) 32...Kg7 (32...Nc5 33.Ke2–+) 33.Nd2 Nc3 34.Rb3 (34.Rc1 Nb5–+) 34...Rd3 (better is 34...Rc5–+) 35.f3 (35.Rb6–+) 35...a4 36.Ra3 Rd2! 37.Rc3 (37.Kd2 Nb1 Double attack) 37...Rg2 38.Ra3 (38.f4 f6–+) 38...Rh2 39.Ra4 Kg6 40.Kf1 (40.f4 e4 41.Ra8 Rh4–+) 40...h5 41.Kg1 (41.Rb4 f6–+) 41...Rd2 (better is 41...Rc2 42.f4 e4 43.Ra6 f6 44.Ra8–+) 42.Ra6 (42.f4 e4–+) 42...Kg5 43.Ra7 (43.Kf1 h4–+) 43...f6 (43...Kf4!? 44.Rf7 h4 45.Kf1–+) 44.Rg7 (44.Ra4–+) 44...Kf4 0–1. Beljdy,Alexander – Krasnov,Yury (2090), Novosibirsk–April, 2010.

8.d5 Qb6 9.Qb3= Qc7 10.Be5 Qd8 11.Be2 Nbd7 12.Bb2 Nb6 13.0-0 e6 14.Rd1 ed5 15.cd5 Bf5 (15...Nbd5 16.Bc4 Be6 17.e4 (17.Qb7? Rb8 18.Qa7 Rb2–+) 17...Ne4 18.Bg7 (18.Bd5 c4 19.Qb7 Rb8 20.Qb8 Qb8 21.Bg7 Rd8–+; 18.Rd5?? Bd5 19.Bd5 Bb2–+) 18...Kg7 19.Bd5 (19.Rd5? Bd5 20.Bd5 Qf6–+) 19...Bd5 20.Qd5 (worse is 20.Rd5 Qf6 21.Re5 Rfe8 22.Re4 Qa1+=) 20...Qd5 21.Rd5=) 16.Na3 Rc8 (16...Nfd5 17.Bg7 Kg7 18.Bc4 Nc4 19.Qc4=) 17.d6 a6 (17...Bd7 18.Bb5=) 18.h3 (18.Be5 Be4+=) 18...Be6 19.Nc4 Nc4 20.Bc4 Bc4 21.Qc4 b5 22.Qh4 c4 23.Rac1 Rc6 24.e4 Rd6–/+ 25.Rd6 Qd6 26.e5 Qb4 27.Bc3 Qa3 28.Rc2 Nd5 29.Bd4 Qd3 30.Rd2? Qb1 31.Kh2 c3 32.Re2 c2 33.e6 f6 34.e7 c1Q 35.e8Q Re8 36.Re8 Kf7 (36...Kf7 37.Re1 Qe1 38.Ne1 Qe1–+) 0–1. Bessat,Remy (1955) – Bardolle,Victor (1920), Pic d'Anie op 1st, 2004.

8.d5 Nbd7 9.Nc3 Ng4 10.Be2 Nge5 11.0-0 Nf3 12.Bf3 Ne5 13.Be2 Qb6 14.Rb1 Qf6 (14...Qa5 15.Qb3+=) 15.Ne4 Qa6? (15...Qh4 16.Nc5 b6 17.Nd3 Nd3 18.Bd3 (worse is 18.Qd3 Bf5 19.Qa3 Bb1 20.Bg7 Kg7 21.Rb1 Rfc8+=) 18...Bb2 19.Rb2+/-) 16.Qb3 (better is 16.Nc5 Qd6 17.Ne4+–) 16...Bd7?? (better is 16...b6+=) 17.Nc5+– Qd6 18.Nd7 (18.Nb7!? Qc7 19.f4 Ng4+–) 18...Qd7 (18...Nd7 19.Bg7 (19.Qb7?! Rab8 20.Ba3 Rb7 21.Bd6 Rb1 22.Rb1 ed6=) 19...Kg7 20.Qb7+–) 19.f4 (19.f4 Ng4 20.Bg7 Kg7 21.Bg4 Qg4 22.Qc3 Kg8 23.Rb7+–) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

8.d5 e6 9.Qb3 ed5 10.cd5 Qd5 11.Bc4 –/+.

8.d5 e6 9.de6 Qd1 10.Kd1 Be6 11.Nfd2 Nc6 12.f3 (12.Kc1 Rad8=+) 12...Rfe8 (12...Rfd8 13.Kc1-/+) 13.Bc3 Rad8 14.a3 Bc8 15.e4 Nd4 16.Ra2 Nh5 17.Bd4 Bd4 18.g3 Ng7 19.Bg2 f5 20.Re1 fe4 21.Re4 (21.fe4 Rf8 22.Rf1 Be6-/+) 21...Re4 (21...Be6 22.g4-/+) 22.fe4 Bg1 23.h3 Nh5 24.e5 (24.Nc3 Ng3 25.Nd5 Kf8=+) 24...Be6 25.g4 (25.Ke1 Ng3 26.Bb7 Rd3-/+) 25...Nf4-+ 26.Bf1 Bd4 27.Kc2 (27.Nf3!? Be5 28.Rd2 Rd2 29.Kd2-/+) 27...Be5-+ 28.Nf3 Bg7 29.Nc3 (29.Ng5 Bd7 30.Nc3 Bc6-+) 29...h5 (better 29...Nh3!? 30.Bh3 Bc4 31.Nd2 Rd2 32.Kd2 Bc3 33.Kc3 Ba2 34.Bg2-+) 30.Ng5 Bd7 31.gh5 Bf5 (31...gh5!? 32.Kb3-+) 32.Kb3-/+ Rd6 (32...Re8 33.Rf2 Re3 34.Rf3 Rf3 35.Nf3 gh5 36.Ng1-+) 33.Nd5 (33.hg6!? Rg6 34.Rf2 Rg5 35.Rf4 Bc3 36.Kc3 Bh3 37.Bh3 Rg3 38.Kb2 Rh3 39.Rf5-/+) 33...Nd5-/+ 34.cd5 Rb6 (34...Rd5?? 35.Bc4 Be6 36.Ne6 Rh5 37.Nf4 Kh7 38.Nh5 gh5 39.Rf2+-) 35.Kc4 Rb1 (35...gh5?! 36.Kc5 Bf8 37.Kd4=+) 36.Be2? (better 36.Kc5 Rf1 37.hg6-+) 36...Rc1 37.Kb3 Rc3 38.Ka4 Bd7 39.Bb5 Rc4 40.Kb3 Bb5 41.Rc2 Rc2 42.Kc2 gh5 43.d6 0-1. Karasev,Vl (2280) - Westerinen,H (2295), Helsinki Seniors, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

8.d5 e6 9.de6 Qd1 10.Kd1 Be6 11.Be2 Nc6 12.Kc1 (12.Nc3 Bf5–/+) 12...Rfd8 (12...Ne4 13.Bg7 Kg7 14.Rf1–/+) 13.Rd1 (13.Nbd2 Bf5–/+) 13...Nb4 (13...Rd1!? 14.Kd1 Ne4 15.Bg7 Kg7 16.Ke1–+) 14.Rd8 (14.Nbd2 Bf5 15.Ne5 Rac8+=) 14...Rd8 15.Ne1 (15.Nbd2 Bf5–/+) 15...Ne4 (15...Bg4 16.Bf3–/+) 16.Bg7 Kg7 17.f3 Nd6 (17...Nf2 18.Nd2–/+) 18.Nd2 b6 (18...Nc6 19.Nc2–/+) 19.a3 (19.e4 Nc6–/+) 19...Nc6–+ 20.Ra2 b5! 21.Nd3 (21.cb5 Ba2 Pinning (21...Ba2 Deflection)) 21...Bc4–+ (21...bc4?! 22.Nc5 Bd5 23.Nb1=; 21...Nc4?! 22.Nc5 Ne3 23.Ne6 fe6 24.Bb5–/+) 22.Nc4 Nc4 (22...bc4 23.Nc5 Nf5 24.Rd2 Ne3 25.Rd8 Nd8 26.g3=) 23.Nc5 Ne3 24.g3 (24.Rd2 Rc8 25.Ne4 Ne5 26.Kb1 Ng2–+) 24...Nd4 25.Kd2 Nd5 (25...Nef5 26.Nd3–+) 26.Rb2 Re8 (26...h6 27.f4–+) 27.Bb5 (27.Kd3 Ne2 28.Re2 Rd8–/+) 27...Nf3 (27...Re3 28.f4 Nf3 29.Kd1–+) 28.Kd3–/+ Rc8 29.Na4 (29.Ke4 Rc5 30.Kf3 Rc3 31.Ke4 Nf6 32.Kd4 Ra3–/+) 29...Nf6 (better is 29...Rd8 30.Nc3 Nf6 31.Kc4 Rb8–+) 30.Ke3? (better is 30.h4!?–/+) 30...Nh2!–+ 31.Be2 (31.Rh2 Ng4 Double attack (31...Ng4 Decoy)) 31...Nhg4 (31...Re8 32.Kd3–+) 32.Bg4 (32.Kf4 h6 33.Rb3 h5–+) 32...Ng4 33.Kd4 Rd8 (33...Rd8 34.Kc3 Re8–+) 0–1. Iglesias,Joachim (2280) – Sochacki,Christophe (2415), 91st ch–Paris IdF, 2016. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.c4 c5 7.bc5 dc5)

8.d5 Bg4 9.Be2 Nbd7 10.0-0 Re8 11.Nbd2 b5 12.h3 Bf3 13.Bf3 Rb8 14.Rb1 bc4 15.Nc4 Nb6 16.Ne5 Qc7 17.e4 Ne4 18.Nc6+= Bb2 19.Rb2 Nc4?? 20.Rb8+– Rb8 21.Nb8 (21.Nb8 Ned2 22.Nc6 Nf1 23.Kf1+–) 1–0. nizinna – alek1, kurnik, 2011.

8.Be2 Qb6 9.Qb3 Nfd7 10.Nc3 Nc6 11.Nd5 Qa5 12.Bc3 Qd8 13.Rd1 e6 14.Nf4 White prepares d5 14...cd4 15.ed4 Qc7 16.g3 b6 17.d5 Nc5 18.Qa3 ed5 (18...Bc3 19.Qc3 e5 20.Ng2+=) 19.Nd5 (better 19.Bg7!? Kg7 20.cd5+/-) 19...Qb7+= 20.Bg7 Kg7 21.Qc3 f6 22.h4 Bg4 23.h5 Ne4 (better 23...Bh5!? 24.Rh4 Bf3 25.Bf3 Rae8 26.Kf1 Qc8=+) 24.Qe3+= Bf3 25.Qf3 Rae8 26.hg6 hg6 27.Qf4 Ng5 28.Kf1 Ne7 29.Bf3 Nd5 (29...Nf3 30.Qh6 (30.Qf3?! Nd5 31.cd5 b5+=) 30...Kf7 31.Qh7 Ke6 32.Nf4 Ke5 33.Ng6 Ke6 34.Rd5 Ng6 35.Qb7+-) 30.Bd5 Qe7 31.Kg2 Qc5 32.Qg4 Qc7?? (better 32...Qc8 33.Qc8 Rc8+=) 33.f4+- Nf7 34.Bf7 Rf7 35.Qh4?? (35.f5 Qc6 36.Rd5+-) 35...Qb7?? (better 35...f5+=) 36.Rd5 Rg8 (36...f5 37.g4 Re2 38.Kg1 Re1 39.Qe1 Qe7+-) 37.Qh6 1-0. Kortschnoj,Viktor (2545) - Sepp,Olav (2490), 11th Puhajarve Rapid (20), 2010. (=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 c5)

8.Be2 Qb6 9.Qb3 Ne4 10.Nc3 Nc3 11.Bc3 Bg4 12.Rc1 cd4 13.Nd4 Be2 14.Ne2 Nd7 15.Bg7 Kg7 16.0-0 Rfc8 (16...Qb3 17.ab3 Nc5 18.Rb1+=) 17.Nf4 Qb3 18.ab3 a5 ½–½. Barcza,Gedeon – Kluger,Gyula, Budapest Szikra, 1956. (=1.Nf3 Nf6 2.c4 g6 3.b4 d6 4.d4 Bg7 5.Bb2 0-0 6.e3 c5)

8.Be2 Nc6 9.Nbd2 cd4 10.Nd4 Nd4 11.ed4 Qc7 12.0-0 Bf5 13.Qb3 Rfd8 14.Rfe1 Rac8 15.h3 h5 16.Bf1 Ne8 17.Nf3 b6 18.a4 Bf6 19.d5 Bb2 20.Qb2 Nd6 21.Ne5 Re8 22.a5 ba5 23.Qa3 Ne4 24.Nc6+/- h4 25.Qa5 Qf4 26.Qa7+– Ra8 27.Qd4 Ra1 28.Ra1 Qg5 29.Qe3 Qe3+/- 30.fe3 e6 31.Ra7 ed5 32.cd5 Nd6 33.Kf2 Be4 34.Rd7 Nf5 35.Be2 Ra8 36.Ne7 Ne7= 37.Re7 Bd5 38.e4 Be6 39.Bg4 Bg4 40.hg4 Ra3 41.e5 Kf8–/+ 42.Rb7 Ra8 43.e6 fe6–/+ 44.Kf3 Ra6 45.Kf4–/+ Ra5 46.g5 Rf5 47.Kg4 Rf2 48.Kh3 ½–½. Fernandez,Felix – Mimbela Lopez,Miguel Angel (2215), Autonomico–ch fn (Aragon), 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.bc5 dc5)

8.Be2 cd4 9.ed4 Qb6 10.Qb3 Nh5 (10...Qb3 11.ab3 Rd8 12.Ne5=) 11.0-0 (11.Qb6 ab6 12.Nc3 Nf4+=) 11...Nf4= 12.Bd1 (12.Re1 Qb3 13.ab3 Rd8=) 12...Nc6=+ Will d4 fall? 13.Qb6 ab6 14.Nbd2 (better 14.Bc3!? Rd8 15.d5=) 14...Rd8-/+ 15.Nb3 Be6 (15...Be6 16.Bc1 Nd3-/+ (worse 16...Bc4 17.Bf4 Bf1 18.Kf1+=)) 0-1. Mely (2270) - ProfFalken (2710), ChessWorld.net, 2016.

8.Be2 Nbd7 9.0-0= b6 (9...cd4 10.ed4 Re8 11.Qb3+=) 10.h3 (10.d5 e6 11.de6 fe6+=) 10...Bb7 (10...cd4 11.ed4 Bb7 12.Re1=) 11.Nc3 (11.d5 e6 12.de6 fe6=) 11...a6 (11...cd4 12.ed4 (worse is 12.Qd4 Ne4 13.Qd3 Ndc5–/+) 12...Re8 13.a4=) 12.Nh2 (12.Bd3!?+=) 12...cd4+= 13.ed4 Qc7 14.Qb3 (14.Nf3 e5+=) 14...Nh5 (14...Rfe8 15.Rad1+=) 15.Bh5= gh5 16.Ne2 Rac8 17.Rac1 Bh6 (17...e5=) 18.Rc2 (18.f4 Qd6=) 18...Qc6 (18...Bd5 19.Ng3 Bf4 20.Nf3 Bc4 21.Qa3 Bg3 22.fg3 Qg3 23.Rfc1+=) 19.Qg3 (better is 19.Nf3!? Qg6 20.Rc3+=) 19...Qg6–/+ 20.Bc1 (20.Rc3 Nf6+=) 20...Bg7 21.Qg6 hg6 22.Be3 Rfd8 23.Re1 (23.Rfc1 e5–/+) 23...Nf6 (better is 23...b5–/+) 24.d5? (24.Nf3 Rd6+=) 24...Nd7?? (24...Nd5!? 25.Bd2–+) 25.Nf3? (25.Nf4 b5 26.c5 Nf6+=) 25...Nc5?? 26.Bc5 Rc5–/+ 27.Nd2? Rdc8 28.Nb3? R5c7 29.Nf4 Bh6 30.g3 Bf4 31.gf4 Bd5! 32.Nd2 Be6 33.a4 Rc5 34.Rb2 R8c6 35.Reb1 Bf5 36.Rc1? Bh3 37.Kh2 Be6 38.Kg3 Kg7 39.Kf3 Bc4 40.Nc4 Rc4 41.Rc4 Rc4 42.Rb6 Ra4 43.Ke3 e6 44.f3 Kf6 45.Rc6 a5 0–1. Ruhle,Ernst Albrecht (1605) – Brent,Derek, Guernsey Holiday op, 2006.

8.Be2 Bg4 9.Nbd2 Nc6 10.d5 Nb4 11.a3 Na6 12.e4 Qa5 13.0-0 Nd7 14.Bg7 Kg7 15.Qb3 Qb6 16.Qc3 Qf6 17.e5 Ne5 18.Ne5 Be2 19.Rfe1 Bg4 20.Ne4 Qh4 21.Nf3 Normal 1-0. Elda64 (2515) - Celta33 (2045), Rated Blitz game, lichess.org, 2015. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.e3 0-0 5.b4 d6 6.Bb2 c5)

8.Be2 cd4

9.ed4 b6 10.0-0 Bb7 11.a4 Nc6 12.Nbd2 (12.d5 Na5=) 12...Rc8 (12...Nh5 13.Rb1+=) 13.Nb3 (13.Qb3 Ne8 14.Rad1 A) worse is 14...Nd4 15.Nd4 Bd4 16.Nf3 Bf3 A1) worse is 17.Bf3 e5+=; A2) worse is 17.Qf3 e5= (worse is 17...Bb2 18.Rd8 Rd8 19.Qb7+=); A3) 17.Rd4 Qd4 18.Bd4 Be2 19.Rc1+=; B) 14...Nd6+=) 13...a5 (13...Ne4 14.h3+=) 14.Nfd2 (14.d5 Nb4=) 14...Qc7 (14...Ne8 15.Bg4 e6 16.Bf3+=) 15.Bf3 Ba6 16.Be2 Bb7 (16...Nb4 17.f4+=) 17.Bf3 (17.d5 Nb4=) 17...Ba6 18.Be2 Bb7 (18...e5 19.d5 Nb4 20.h3+=) 19.Bf3= ½–½. Rakhmangulov,Andrei (2345) – Tsyhanchuk,Stanislav (2375), Moscow RUS, Kolomenskaya Open, 2014. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 c5 7.bc5 dc5 8.Be2 cd4)

9.ed4 b6 10.0-0 Bb7 11.Nbd2 Nbd7 12.Re1 e6 13.Qb3 Qc7 14.Qe3 Ng4 15.Qb3 Rfd8 16.h3 Nh6 17.Nf1 Nf5 18.Red1 Rac8 0–1. Vrhovnik,D (2060) – Markos,J (2545), 12th ch–EUR Aix–les–Bains FRA, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

9.ed4 Qb6 10.Qc1 Bh6 11.Qc2 Nh5 12.c5 Qa5 13.Bc3 Qc7 14.0-0 Nf4 15.Bc4 Nc6 16.Re1 Bf5 17.Qb3 Rad8 18.Na3 a6 19.d5 Na5 20.d6 (better is 20.Ba5!? Qa5 21.Re7+=) 20...ed6+= (20...Nb3? 21.dc7 Na1 22.cd8R Rd8 23.Ba1+–) 21.cd6 Rd6 22.Ba5 Qa5 23.Bf7 Rf7 24.Nc4 Qc5 25.Nd6 Qd6 26.Ne5 Qd5 27.Qd5 Nd5 28.Nf7 Kf7 29.Rad1 Nf6 30.Rd6 Nd7 31.Rd4 Bf8 32.Rc1 Bg7 33.Rb4 b6 34.Rc7 Ke6 35.g4 Kd6 36.Ra7 Bd3 37.Rf4 Bb2 38.g5 a5 39.Rf7 Ne5 40.Rf6 ½–½. Boehnke,Hartmut (2030) – Sueess,Franz (2145), WS/M/260 ICCF, 2010. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d6 6.e3 c5)

9.ed4 Nfd7 10.0-0 Nb6 (10...Re8 11.Re1 (11.Qd2 e5 12.Ne5 Ne5 13.de5 Qd2 14.Nd2 Be5 15.Be5 Re5 16.Rfe1 Nc6 17.Nf3 Ra5 18.Bd3 Nb4 19.Re8 Kg7 20.Bb1=; 11.Qb3 e5 12.d5 Nc5 13.Qe3 e4 14.Nd4 Na4 15.Bc3 Nc3 16.Nc3 Nc6 17.Nc6 bc6 18.Rac1 cd5 19.Nd5 Qa5 20.Rfd1=) 11...Nc6 12.Qd2 e6 13.Nc3 Nb6 14.c5 Nd5 15.Nb5 Bf8 16.Bc4 Bd7 17.Nc3 Nce7 18.Ne5 Bg7 19.Rab1 Bc6 20.Nb5+=) 11.Nc3 (11.Re1 Bf5 12.Qb3 Nc6 13.c5 Nd5 14.Nc3 Nf4 15.Rad1 Na5 16.Qa4 Rc8 17.Bf1 Bg4 18.Re3 Ne6 19.Nb5 Bf3 20.Rf3=; 11.a4 Nc6 12.a5 Nd7 13.Bc3 Qc7 14.Na3 Qd8 15.Qe1 Ndb8 16.Rd1 Bf5 17.Bd3 Bd3 18.Rd3 Re8 19.Qe3 e6 20.Rb1+=) 11...Bg4 (11...Nc6 12.d5 Ne5 13.Na4 Nf3 14.Bf3 Na4 15.Bg7 Kg7 16.Qa4 Qd6 17.Rfe1 b6 18.Qd1 Re8 19.a4 Bd7 20.a5+=) 12.c5 Nd5 13.Qb3 Nc3 14.Bc3 Qc7 15.Rac1 (15.Rfb1 b6 16.Rc1 Nd7 17.cb6 Nb6 18.d5 Qf4 19.Bg7 Kg7 20.Rc6=) 15...Nd7 (15...e6 16.Rb1 b6 17.Rfc1 Bf5 18.cb6 Qb6 19.Rb2 Rc8 20.Qd1=) 16.h3 (16.Rfd1 Rac8 17.h3 Bf5 18.Bc4 Bf6 19.Re1 h5 20.Bb4+/-) 16...Bf3 (16...Bf5 17.Bc4 Nf6 18.d5 Qc5 19.Bb4 Qc7 20.Rfe1+=) 17.Bf3 (worse is 17.gf3 e5 18.de5 Be5 19.Be5 Ne5+= 20.Bb5+=) 17...Rab8 18.Qa3 (18.Qa4 b5 19.Qa5 Qa5 20.Ba5+=) 18...a6 19.Rfd1 e6 (19...Rfc8 20.Ba5+/-) 20.Ba5 Qf4 21.g3 Qf5 22.Bc7 Rbc8 (22...Qh3 23.Bb8 Rb8 24.Rb1+–) 23.Bd6 Rfe8 (23...Rb8+–) 24.g4 Qg5 25.Bb7 e5 (25...a5+–) 26.Bc8 Rc8 27.Qa6 Re8 (27...Qd8 28.c6 Nf8 29.de5+–) 28.Qb5 Qd8 29.c6 Qb6 30.Rb1 Qb5 31.Rb5 Nf6 (31...Nf8 32.Rb8 Re6 33.de5 Be5 34.Rf8 Kg7 35.Be5 Re5+–) 32.de5 Ne4 33.c7 Nc3 34.Rb8 (34.Rb8 h5 35.Re8 Kh7 36.Re1+–) 1–0. daverundle (2165) – jean_valjean (1640), gameknot.com, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.bc5 dc5 8.Be2 cd4)

9.ed4 Bf5 10.0-0 e6 11.Qb3 Nc6 12.Rd1 b6 13.Nc3 Re8 14.Qa4 Qd6 15.Rac1 a6 16.d5+= ed5 17.Ba3 Qc7 18.cd5 b5 19.Qb3 Na5 20.Qb4 Bh6 21.Nd2 Qd8= 22.d6 Rc8 23.Qh4 Bg7 24.Kf1 Qd7=+ 25.Bb4 Nc6 26.Bc5 Qe6 27.Nb3 Nd5 28.Nd5 Qe2=+ 29.Kg1 Qa2 30.Qg3 Bb2 31.h3 Be6 32.d7 Bd5 33.Qc7 Rcd8 34.de8Q Re8 35.Rd5 Bc1 36.Qc6 Re1 1–0. Woelfelschneider,Peter (1795) – Reuter,Alfred (1685), T16–01 TSC, 2002.

9.ed4 Bf5 10.0-0 Ne4 11.Qb3 Nc6 12.d5 Na5 13.Qa3 Bb2 14.Qb2 Rc8 15.Qd4 Qb6 16.Qb6 ab6 17.Nfd2 Nd6 18.Na3 b5 19.g4 Bd7 ½–½. marekt (2525) – Wulf452 (2020), ChessWorld.net, 2003.

9.ed4 Nh5 10.Qd2 Qc7 11.Nc3 Nc6 12.d5 Ne5 13.Ne5 Qe5 (worse is 13...Be5 14.Nb5 Qb8 15.Bh5 Bb2 16.Qb2 gh5 17.0-0+/-) 14.g3 Bg4 15.f4 Qf5 16.Bd3 Qd7 17.Ne4 Bb2 18.Qb2 e6 19.Qd4 Rfd8 20.0-0 ed5 21.Ng5 dc4 22.Qd7 Rd7 (22...Bd7?! 23.Bc4 Be8 24.f5+=) 23.Bc4 h6 24.Nf7 Rf7 25.Rab1 b6 26.f5 (better is 26.Rfe1!? Rc8 27.Rbc1–+) 26...gf5 (26...Bf5?! 27.Bf7 Kf7 28.g4+=) 27.Kg2 Rc8 28.Bf7 Kf7 29.Rbc1 Rd8 30.Rc7 Kg6 31.Rf2 f4! 32.h3? fg3 33.hg4 gf2 34.gh5 Kh5 35.Ra7 Rf8 36.Kf1 Kg6 37.a4 h5 38.a5 ba5 39.Ra5 h4 40.Ra2 ½–½. Rechmann,Peter (2355) – Westerinen,Heikki MJ (2450), Porz Citroen–Cup, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

9.ed4 Nc6

10.0-0 b6 11.Nbd2 e6 12.Qa4 Bb7 13.Rad1 Qc7 14.Rfe1 Rfd8 15.Nf1 Ne4 16.Ne3 Rac8 17.Qc2 Na5 18.Bd3 Nd6 19.d5 Bb2 20.Qb2 Nac4 21.Bc4 Nc4 22.Nc4 Qc4 23.Qf6 Rd5 (23...ed5? 24.Ne5 Qc7 25.Ng4+–) 24.Ne5 Qc7 25.Rd5? (25.Ng4 Rh5 26.Qb2=) 25...Bd5–+ 26.Ng4 Qc1! (26...Ba2?! 27.Nh6 Kf8 28.Qh8 Ke7 29.Ng8 Rg8 30.Qg8+=) 27.Qe5 Qc3 28.Nf6 Kh8 29.Qc3 Rc3 0–1. Vrhovnik,Damir (2095) – Ciganovic,Nikola (2265), Zadar CRO, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

10.0-0 Qb6!? 11.Qb3 Ne4+=.

10.0-0 Bf5 11.d5= Na5 12.Nbd2 Rc8 13.Rc1 (13.Ne5 Qd6 14.Nb3 Nd5 15.Qd5 Qd5 16.cd5 Rc2 17.Ng6 fg6 18.Bg7 Nb3 19.ab3 Kg7=) 13...b6 (13...e6 14.Ba3 Re8 15.d6=) 14.Bc3 (14.Nd4 Bd7+=) 14...Nb7 15.Nd4 Bd7 (15...Nd5 16.cd5 Rc3 17.Rc3 Bd4 18.Ra3=) 16.Bf3+= Nd6 17.Qe2 (17.Nc6 Bc6 18.dc6 Nf5+=) 17...Nf5 (17...Re8!?=) 18.Nf5+/- Bf5 19.g4 (19.Rfe1 Rc7+/-) 19...Bd7+= 20.Bb4 Re8 21.g5 Nh5 22.Bh5 gh5 23.Qh5 Bf5 24.Rfe1 Qd7 25.Ne4 Qa4= 26.Bc3 Rc4–/+ 27.Bg7 Bg6?? 28.Rc4+– Qc4 29.Nf6 Kg7 30.Ne8 Kf8 31.Qe2 Qc5 32.Nf6! ef6 33.gf6 Qc8 34.Qe7 Kg8 35.Qe8 (35.Qe8 Qe8 36.Re8#) 1–0. Schoenwaelder,Bernd (2000) – Sieberg,Rolf (1645), Nettetal Chessgate op, 2004.

10.0-0 Bf5 11.d5= Na5 12.Nbd2 e6 13.de6 Be6 14.Nd4+=.

10.0-0 Bf5 11.d5 Na5 12.Nd4 Bd7 13.Nd2 Rc8 14.Rc1 Qb6 15.N4b3 Nb3 16.ab3 e6 17.Ba3 Rfe8 18.c5 Qd8 19.d6 Nd5 20.Bf3 b6 21.b4 a5 22.ba5 bc5 23.Nc4 Bd4 24.Re1 Qf6 25.Nb6 Nb6 26.ab6 Rc6 27.b7 Rd6 (27...e5!?+=) 28.Qb3 Rb8 29.Bc5 Bc5 30.Rc5 Rd2 31.Rc7 Qd4 32.Qe3 Kf8 33.Qd4 Rd4 34.Rec1 (better is 34.Rd1 Rd1 35.Bd1+–) 34...Ke7 35.Rc8 Rb7 36.Bb7 Bc8 37.Bc8 h5 38.h3 g5 39.Ba6 Ra4 (39...Kd6 40.Rc8+–) 40.Be2 h4 41.Rc7 Ke8?? (41...Kf8+–) 42.Bb5 (42.Bb5 Kf8 43.Ba4+–) 1–0. Efimov,I (2445) – Romanishin,O (2565), Capodanno Reggio Emilia ITA, 2000. (=1.d4 Nf6 2.Nf3 g6 3.c4 d6 4.b4 Bg7 5.Bb2 0-0 6.e3 c5)

10.0-0 Bf5 11.d5= Na5 12.Be5 b6=.

10.Nc3 Bf5+=.

8.Be2 Ne4

9.0-0 b6 10.Nbd2 Bb7 11.Qc2 Nd2 12.Qd2 Nd7 (12...cd4 13.ed4 Nd7 14.Ba3=) 13.d5 Qc7 14.Bg7 Kg7 15.Qc3 Kg8 16.e4 f6 17.Nd2 Qe5 18.Qe5 Ne5 (18...fe5 19.a4+=) 19.f4+/- Nf7 20.Bg4 (20.a4 Nd6+/-) 20...Kg7+= 21.Be6 Nd8 22.Bd7 Nf7 23.Be6 Nd8 24.Bd7 Ba6 (24...Nf7!?=) 25.a4+= Nf7 26.Bb5 Bb7 27.Bd7 Rfd8 (27...Ba6!?=) 28.Be6+= Nd6 (28...Ba6 29.a5+/-) 29.e5 Ne8 30.Bg4 Nc7 (30...Rab8 31.Kf2+/-) 31.Rfe1 f5+= 32.Bf3 Rab8 33.Nb3 Na6 34.Rad1 Nb4+= 35.d6 Bf3+= 36.gf3 ed6 37.ed6 Rb7 38.a5 Kf7 39.ab6 ab6 40.Re5? Rbd7–+ 41.Rde1 Rd6 42.Re7 Kg8 43.Rb7 R8d7 44.Rb8 Kg7 45.Kg2 Nd3 46.Ree8 Nf4 47.Kg3 Nh5 48.Kf2 Nf6 49.Re2 g5 50.h3 Kg6 51.Rb2 f4 52.Nc1 Rd2 53.Rd2 Rd2 54.Ne2 Rb2 55.Ke1 Rb3 56.Kf2 h5 57.h4 Kf5 58.hg5 Kg5 59.Rf8 Rb4 60.Nf4 Kf4 61.Rf6 Ke5 62.Rh6–/+ Kd4 63.Rh5 Rb2 64.Kg3–/+ Kc4 65.f4 Rb1 66.f5 Rg1 67.Kf2 Rg8 68.f6 Rf8 69.Rf5 Rf7 70.Ke3= b5 71.Ke4 b4 72.Ke5?? b3–+ 73.Ke6 Rf8?? 74.Ke7?? Rb8–+ 75.f7 b2 76.Rf1 Kb3 77.Kd6 c4 78.Kd5 c3 79.Kd4 Rd8 80.Kc5 c2 (80...c2 81.Rf6 c1Q 82.Kb6 Rb8 83.Ka7 Qc7 84.Ka6 Ra8 85.Kb5 Ra5#) 0–1. Grossmann,Philipp (1910) – Hein,Manfred (2030), Regionalliga NO, 2004.

9.0-0 Nc6 10.Nbd2 Bf5 11.Nb3 cd4 12.ed4 a5 13.a4 Qb6 14.Bd3 Nb4 15.Bb1 Qc6 16.Qe2 Nd6 17.Bf5 Nf5 18.d5 Qc7 19.Bg7 Kg7 20.g4 Nd6 21.c5 Ne8 22.Rfd1 Kg8 (22...Nf6 23.d6 ed6+/-) 23.Rd4 Rd8 24.Rad1 Nf6 25.Qc4 b6 26.cb6 Qb6 27.g5 Nfd5 28.Rd5 Nd5 29.Rd5 Qe6 30.Rd4 Rd4 31.Qe6 Rd1 32.Qe1 Re1 33.Ne1 Rb8 34.Na5 Ra8 35.Nc6 Ra4 36.Nf3 Re4 37.Kg2 Kg7 38.Kg3 Rc4 39.Ncd4 h6 40.h4 hg5 41.hg5 f6 42.Ne2 e5 43.gf6 Kf6 44.Kg2 e4 45.Nd2 Rb4 46.Ng3 Ke5 47.Nge4 ½–½. Okon,Dariusz (2200) – Chojnacki,Krzysztof (2435), XXVI Miedzynarodowy Turniej Poland, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

9.0-0 Nc6 10.Bd3 Bf5 11.g4 Qb6 12.Bc1 cd4 13.gf5+= de3 14.Be3 Qd8 15.Be4 Ba1 16.Nbd2 Bg7 17.fg6 hg6 18.Ng5 Bf6 19.Qg4 Qa5 20.Qh4 Bg5+/- 21.Bg5 Qe5? 22.Nf3 Qh8 23.Qh8 Kh8 24.Bc6 bc6 25.Be7 Rfe8 26.Bd6 Re2 27.c5 Ra2 28.Ne5 a5 29.Nc6 1–0. Derjabin,I (2310) – Kurinoj,D (2145), ch–UKR, Alushta UKR, 2002. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

9.0-0 cd4!? 10.Nd4 Qb6=.

9.Nbd2 Qa5 10.0-0 Nd2 11.Nd2 Qc7 12.Nb3 cd4 13.ed4 Nc6 14.Qd2 Rd8 15.d5 Ne5 16.Rac1 b6 17.f4 Nd7 18.Bg7 Kg7 19.g4 Kg8 20.Qe3 Ba6 21.Rf2 Qd6 22.h4 e6 23.f5 (better is 23.de6!? fe6 24.Bf3+=) 23...ed5–/+ 24.fg6 hg6 25.Rcf1 (25.Rd1 Re8 26.Qh3 Qb4=) 25...Rf8 (25...dc4 26.Rf7 Re8 27.Qc3–/+) 26.c5 (26.Rd1!?+=) 26...bc5–/+ 27.Ba6 Qa6 28.h5 (28.Nc5 Qb6 29.Rc1 Rac8–+) 28...Qe6 29.Qg5 Rae8 30.Nc1 (30.Rf5 Qd6 31.R1f4 Re1 32.Kg2 Re5–+) 30...Ne5 31.Rf4 Qe7 32.Rf6 Nd7 (32...d4!? 33.hg6 Ng6 34.Nb3–+) 33.hg6 Qe3 (33...Nf6 34.g7 Ne4 35.gf8R Kf8 36.Qd5–+) 34.Qe3–/+ Re3 35.gf7 Kg7 36.Rd6 Rg3 (better is 36...Nb6 37.Nb3 Rc3–/+) 37.Kf2+= Rg4 38.Rd7 Rf7 39.Rf7 Kf7 40.Ke3 Ke6 41.Nd3 c4 42.Nc5 Kd6 43.Nb7 Ke5 44.Re1 Rg7 45.Kd2 Kd4 46.Nd6 Rg2 47.Re2 c3 (47...Re2 48.Ke2 Kc3–/+) 48.Kd1+= Rg6 49.Nf5 Kd3 50.Re3 Kc4 51.Rg3 Rg3 52.Ng3 d4 53.Ne4 a6 (53...d3!?–/+) 54.Ke2 Kb4 55.Kd3 Ka3 ½–½. Kozomara,Vladimir – Kerkhoff,Leo J, Parcetic Memorial 2nd, 1966. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 c5)

9.Nbd2 Nd6 10.Nb3 cd4 11.ed4 Nc6 12.Qc1 Bg4 13.0-0 Rc8 14.Rd1 Nf5 15.h3 (better is 15.Qf4!? Bh5 16.Rab1+=) 15...Bf3+= 16.Bf3 Qc7 17.c5 e6 18.Qc4 Rfd8 19.Bc6 Qc6 20.Na5 Qc7 21.Qb4 Rd7 22.Rac1 Ne7 23.Nc4 Rcd8 24.Nd6 Nc8 25.Nb5 Qf4 26.g3 Qe4 27.Re1 Qd5 28.Qa4 a6 29.Nd6 Nd6 30.cd6 Qd6 31.Red1 Qb6 32.Rb1 Qa7 33.Bc3 b5 34.Qb4 Bd4 35.Bd4 Rd4 36.Rd4 Rd4 37.Qb2 Qd7 38.Rc1 h5 39.Qc3 Kh7 40.Qe3 Rd2 41.Qf4 Rd4 42.Qe5?? (42.Qe3 h4 43.Rf1–+) 42...Rd1–+ 43.Rd1 Qd1 44.Kh2 Qd5 45.Qc7 Kg7 (45...Qa2?! 46.Qf7 Kh6 47.Qf8 Kh7 48.Qf7 Kh8 49.Qf8 Kh7 50.Qf7=) 46.Qc3 e5 47.a3 Qd4 48.Qc2 a5 49.Kg1 (49.Kg2 Qd5 50.f3 b4 51.ab4 ab4–+) 49...b4 (better is 49...Qa1!? 50.Kg2 Qa3 51.Qc7–+) 50.ab4 ab4 51.Qb3 (51.Qa4–+) 51...Qc3 52.Qd5 b3 53.Qe4 b2 54.Kg2 Qb3 55.Qb1 (55.Qe5 Kh7–+) 55...Kg8 56.f3 Qc3 0–1. Kiili,Markus – Niemela,Antti, FIN–ch U18 Vantaa, 1991. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c5)

7.dc5 dc5

8.a3 Qc7 9.Be5 Qb6 10.b5 (10.bc5 Qc5 11.Qd4 Nbd7=) 10...Bg4 11.Be2 Nbd7 12.Bb2 Rfd8 13.Nbd2 Nf8 14.0-0 (14.Qc1 Rd6=) 14...Ne4!-/+ 15.Bg7 (15.Ne4 Bb2 Discovered attack (15...Rd1 Pinning; 15...Rd1 Deflection)) 15...Kg7 (better 15...Bf3!? 16.Bf3 Nd2-/+) 16.Qe1= Nf6 17.Ne5 Be6 18.Ndf3 N8d7 19.Qc3 Rac8 20.Nd7 Rd7 21.Rad1 Rcd8 22.Ne5 (22.a4 Rd1 23.Rd1 Rd1 24.Bd1 Qd6+=) 22...Rd1= 23.Bd1 (23.Rd1 Rd1 24.Bd1=+) 23...Kg8 (better 23...Ne4 24.Qc1 Nd2-/+) 24.Bf3 1-0. Andrey0976 (1850) - almasssss (2225), lichess.org, 2021.

8.b5 Bf5 9.Qb3 Nbd7 10.Nbd2 Nb6 11.Be2 Ne4 12.Rd1 Bb2 13.Qb2 Nd2 14.Rd2 Bg4 15.Rd8 1–0. barborski (1660) – lecie, kurnik, 2012.

8.b5 Bg4 9.Be2 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Bc3 Qc7 14.0-0 Ne4 15.Bg7 Kg7 16.Qc2 Nf6 17.Nbd2 Nbd7 18.Rd1 Ne5 19.Qc3 Nf3 20.Bf3 Bf3 21.Nf3 Kg8 22.h3 b6 23.Ne5 Ne4 24.Qb2 Nd6 25.Qc2 Nb5 26.Nf7 Na3 27.Nh6 Kg7 28.Qc3 Kh6 29.Qa3 Qe5 30.Rd5 Qf6 31.f4 e6 32.Rd7 Rf7 33.Qa7 Rd7 34.Qd7 e5 35.g3 ef4 36.ef4 Qa1 37.Kf2 Qa2 38.Kf3 Qc4 39.g4 Qc3 40.Kg2 Qc2 41.Kg3 Qc3 42.Kg2 Qg7 43.g5 Kh5 44.Qg7 Kh4 45.Qh6 1–0. barborski – delonghi (1610), kurnik, 2012.

8.Be2 cb4 9.Nd4 Bd7 10.Nd2 Nc6 11.0-0 Re8 12.N2b3 b6 13.Qe1 Ne4 (13...Nd4!? 14.Nd4 a5+=) 14.Nc6= Bc6 15.Bg7 Kg7 16.Qb4 Qc7 17.Nd4 Bb7 18.Nb5 Qe5 19.f4 (19.f4 Qb8 20.Rad1=) 1–0. Sternik,Ryszard – Dzwonkowski,Adam, PAT–25 corr Poland, 1993.

8.Qd8 Rd8

9.a3 cb4 10.ab4 Nc6 11.Ra4 Bd7 12.b5 Nb8 13.Nbd2 a6 14.Be2 Bg4 15.c5 Nbd7 16.c6 Nb6 17.Rg4 ab5 18.cb7 Ra2 19.Bf6 Bf6 20.0-0 Rb8 21.Rb1 Rb7 22.Rgb4 Na4 23.Bc4 Rd2 24.Nd2 Nc3 25.R1b2 Na4 26.Rb5 Rd7 27.Rb7 Nb2 28.Rd7 1–0. Bonetti,Shane – guest881, ICC, 2002.

9.a3 b6 10.bc5 bc5 11.Be2 Bb7 12.0-0 Nbd7 13.Nbd2 Nb6 14.Rad1 Rd6 15.Be5 Rd7 16.Rb1 Rad8 17.Nb3 Na4 18.Rfd1 Ng4 19.Rd7 Rd7 20.Bg7 Kg7 21.Rc1 Nf6 22.Ne5 Rd6 23.Bf3 Bf3 24.Nf3 Ne4 25.Ne1 Nd2 26.Nd2 Rd2 27.Rb1 Rb2 28.Rd1 Nb6 29.Nd3 Rb3 30.Nc5 Ra3 31.Rc1 Ra5 32.Nd3 Ra3 33.Ne1 Ra5 34.c5 Nd5 35.c6 Nc7 36.Nd3 Kf6 37.g4 Ke6 38.f4 Kd6 39.h4 Ra6 40.Rd1 Rc6 41.Ne5 Kc5 42.Rc1 1–0. Bonetti,Shane – submarine, ICC, 2002.

9.a3 Ne4 10.Bg7=+ Kg7 11.Nfd2 Nd2 12.Nd2 b6 (12...cb4 13.ab4 Be6 14.Be2=+) 13.Be2 (13.bc5 bc5 14.Be2 Nd7=+) 13...Nd7 (13...Bb7 14.Bf3 Bf3 15.Nf3 cb4 16.ab4=+) 14.Nb3 Ba6 (14...Ne5 15.bc5 Nd3 16.Bd3 Rd3 17.Nd2=+) 15.f4 (15.0-0 Rac8=+) 15...Rac8 16.b5 Bb7 17.Bf3 (17.0-0 e5=+) 17...Bf3–/+ 18.gf3 e5 19.fe5 (better 19.Rd1!?–/+) 19...Ne5–+ 20.Nd2 Rd3 21.Ke2 Rcd8 22.Rhd1 Rc3 (22...g5 23.a4–+) 23.f4 (23.Rdc1!? Rdd3 24.Rc3 Rc3 25.Ra2–+) 23...Nc4 24.Nc4 Rd1 25.Rd1 Rc4 26.Rd7 (better 26.Kd3 Ra4 27.Ra1–+) 26...Ra4 27.Rd3 Kf6 28.Kf3 (28.Kd2 Ke6–+) 28...Ke6 (28...Ra5 29.Rb3–+) 29.Kg4 (29.e4 Ra5–+) 29...h6 30.h4 (30.h3 Ra5–+) 30...Ra5 31.e4 (31.h5 Rb5 32.hg6 fg6 33.Rc3–+) 31...Rb5 32.f5 (32.Rc3 h5 33.Kf3 Rb1–+) 32...Ke5 33.Rd7 Ke4 34.Rf7 (34.Re7 Kd4 35.Rd7 Kc3 36.Rf7 gf5 37.Rf5 Ra5–+) 34...gf5 35.Rf5 Ra5 36.Rf4 Kd3 (36...Kd3 37.Rf3 Ke2–+) 0–1. Portnoy,Yuriy (1975) – Trushnikov,Viacheslav (1985), Uljanovsk, 2009.

9.b5 a6 10.a4 Bf5 11.Nbd2 Nd5 12.Bg7 Nb4 13.Rc1 Kg7 14.e4 Bg4 15.Ne5 Be6 16.b6 f6 17.Nef3 a5 18.Be2 Nd7 19.Nb3 Rdc8 (19...Nb6?! 20.Nc5 Bg8 21.Nb7+=) 20.0-0 Nb6 21.Ra1 Bd7 (21...Bc4?! 22.Bc4 Nc4 23.Rfc1–/+; 21...Nc4?! 22.Rfc1 b5 23.ab5–/+) 22.Rfc1 Ba4 23.Rc3 Bb3 24.Rb3 Nd7 25.e5 Ne5 26.Ne5 fe5 27.Bf3 Ra7 28.Rd1 b6 29.Bg4 Rc6 30.Kf1 Rd6 31.Ke2 Rd4 32.Rd4 ed4 33.Kd2 e5 34.f3 Re7 35.g3 e4 36.fe4 Re4 37.Bd1 b5! 38.cb5 (38.Be2 a4 39.Rf3 d3 40.Bd3 Rd4 41.cb5 a3–+ (41...Nd3?! 42.Rd3 a3 43.Rd4 cd4 44.b6–+)) 38...c4 39.Ra3 c3 40.Kc1 Re1 0–1. Delithanasis,D (2110) – Edouard,R (2585), 39th TCh–GRE, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 c5)

9.b5 a6 10.Nbd2 ab5 11.cb5 Ra4 12.Bc4 Ne4 13.Bg7 (13.Ne4?? Bb2 (13...Rc4?! 14.Bg7 Kg7 15.Nfd2=) 14.Bf7 Kf7 15.Nfg5 Kg8–+) 13...Nd2 14.Nd2 Kg7 15.Bb3 (15.Rc1 Nd7 16.Ke2 b6=) 15...Rb4+= 16.0-0-0 Rb5 17.Ne4 Nc6 (17...Rd1 18.Rd1 Ra5 19.Rd8–/+) 18.Ba4= Rb4 19.Bc6 Rd1 20.Rd1 bc6 21.Nc3 Be6 22.Rd8 f5 23.Ra8 g5 24.Ra7 Kf7 25.Ra5 Rc4 26.Kb2 Bd5 27.g3 Kg6 28.Ra7 Kf6 29.f4 gf4 30.gf4 h5 31.a3 e5 32.Ra4 Ra4 (32...Ke6 33.Rc4 Bc4 34.fe5 Ke5 35.a4+=) 33.Na4= ef4 34.ef4 h4 (better is 34...Ke6=) 35.Nc5+/- Kg6 (35...Ke7 36.Kc3 Kd6+=) 36.Kc3 Kh5 (36...h3+–) 37.a4 Bg2 38.a5 Bf1 39.Nd3 (better is 39.h3+–) 39...Kg4 40.a6 c5 41.a7 Bg2 42.Kd2 (42.Nc5!? Kf4 43.Kd4+–) 42...Kh3+= 43.Ke3 (worse is 43.Nc5 Kh2 44.Ke3 Kg3–/+) 43...Kh2 44.Ne1?? Bb7 (44...Bb7 45.Kf2 Kh3–+) 0–1. Lebredo Zaragoitia,G (2200) – Guerra Mojena,L (2370), La Habana CUB, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 c5 7.dc5 dc5 8.Qd8 Rd8)

9.b5 Ne4 10.Bg7 Kg7 11.Nfd2 Nd2 12.Nd2 b6 13.Be2 Bb7 14.Bf3 Bf3 15.Nf3 Nd7 16.Ke2 Kf6 17.Nd2 Kg7 18.Rhd1 Ne5 19.f4 Ng4 20.h3 Nf6 21.g4 Rd7 22.g5 Nh5 23.Ne4 Rad8 24.Rd7 Rd7 25.a4 f5 26.Nf2 Kf7 27.a5 Rd6 28.ab6 ab6 29.Kf3 Ng7 30.Ra6 Ne6 31.Ke2 Nf8 32.Nd3 Nd7 33.Ra7 Kg7 34.Rb7 h6 35.h4 hg5 36.hg5 (worse is 36.fg5 Kf8=) 36...Kf7 37.Nb2 Ke8 38.Na4 Kd8 39.Nc3 Kc8 40.Ra7 Kb8 41.Ra1 e5 42.Nd5 ef4 43.ef4 Re6 44.Kd3 Kb7 45.Rh1 Nf8 46.Rh8 Re8 47.Kc3 Rb8 48.Rg8 Ka7 (48...Rd8 49.Ne7+–) 49.Ne7 Ne6 (49...Kb7+–) 50.Nc6 (50.Nc6 Kb7 51.Rg6+–) 1–0. Grant,A (2210) – Will,D (1985), 115th ch–SCO, Glasgow SCO, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5)

9.b5 h6 10.Be2+= Be6 11.Nbd2 Nbd7 12.a4 a5 13.0-0 Ng4 14.Bg7 Kg7 15.Ne4 b6 16.Nc3 Nge5 17.Nd5 Bd5 18.cd5 Nf6 ½–½. Ioffe,Dmitry (2175) – Vafin,Nail G (2110), Muhamedzjanov Memorial, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c5 7.dc5 dc5 8.Qd8 Rd8)

9.bc5 Nc6 10.Be2 Nb4 11.Na3 Bg4 (11...Ne4 12.Bg7 Kg7 13.Kf1=) 12.0-0 Bf3 (better 12...Rac8!?=) 13.Bf3+– (worse 13.gf3 Rd2 14.Bc3 Re2 15.Bb4 Nh5=+) 13...Rd2?? (better 13...Rd7+–) 14.Bc3+– (14.Bb7?! Rb8 15.Bc3 Ra2+–) 14...Nc2 (14...Rd3 15.Bb4 a5 16.Bb7 ab4 17.Ba8 Ra3+–) 15.Bd2 Na3 16.Rfc1 (16.Rac1 Nd7 17.Bc3 Rc8 18.Bg7 Kg7+–) 16...Rd8 (16...Nd7 17.Bc3 (worse 17.Bb7 Rd8 18.c6 Ba1+–) 17...Ne5 18.Bb7+–) 17.Bb4 Ne8 (17...Ng4 18.Ba3 Ba1 19.Ra1+–) 18.Ba3 Ba1 19.Ra1 Nc7 1–0. alddhsfd (1750) – freddyy (1780), lichess.org, 2019.

9.b5 Bf5

10.Nbd2 Nbd7 11.a4 Ne4 (11...a6 12.Be2+=) 12.Bg7= Kg7 13.Ne4 Be4 14.Be2 e5 15.0-0 b6 16.Rfd1 f5 (better is 16...a6!?=) 17.Ng5+/- Nf8 18.Ne4 fe4 19.Kf1 Ne6 20.Ke1 Kf6 21.Rd8 Rd8 22.Rd1 Rd1 (22...Ke7!?+=) 23.Bd1+/- g5 24.g4 ½–½. Skopetz,Friedrich (1940) – Valerio,Gianluca, Vienna Kavalier op 3rd, 2008. (=1.e3 g6 2.d4 Bg7 3.Nf3 d6 4.c4 Nf6 5.b4 0-0 6.Bb2 c5 7.dc5 dc5 8.Qd8 Rd8)

10.Nbd2 Nbd7 11.Nb3 a5 12.a4 Bc2 13.Nfd2 Bb3 14.Nb3= Ne4 15.Bg7 Kg7 16.Bd3 Ndf6 17.Nc1 Nd6 18.f3 Nd7 19.Nb3 Ne5+= 20.Nc5 Rac8 21.f4 Rc5 22.fe5 Re5 23.Ke2 b6 24.Rhc1 Nb7 25.Rc3 Nc5 26.Bc2 Rh5 27.h3 Rg5 28.Rg1 h5 29.g3 h4–/+ 30.g4 f5 31.Kf3 Rd2 (31...Rd2 32.Rg2 fg4 33.hg4 Rg2 34.Kg2 Rg4 35.Kh3 Rg1 36.Kh4 g5 37.Kh3 Rc1–+) 0–1. Djurkovic,M (2105) – Kozul,Z (2605), 7th HIT Open, Nova Gorica SLO, 2002. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.e3 0-0 5.Bb2 d6 6.c4 c5)

10.Nbd2 Nbd7 11.Be2 a6 12.a4 a5 (12...ab5 13.ab5 Ra1 14.Ba1+=) 13.0-0 Ne4 14.Bg7 Nd2 15.Nd2 Kg7 16.e4 Be6 (16...Nf6 17.Bf3 Rd2 18.ef5=) 17.f4 Nf6 18.Rad1 (18.Ra2 b6=) 18...Bg4 19.Bg4 Ng4 20.Nb3 b6 21.Rde1 Rd3 22.Rf3 Rad8 23.h3 Rf3 24.gf3 Nf6 25.Kf2 Rd3 26.Re3=. dominick1952 (2165) – racketeer_66 (1990), internet, 2006. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.c4 d6 6.d4 c5)

10.Nbd2 Nbd7 11.Be2 Ne4 12.Bg7= Kg7 13.g4 Nd2 14.Nd2 Be6 15.f4 Nf6 (15...a6 16.ba6 Ra6 17.Rg1=) 16.Rg1 Kf8 (16...a6 17.f5 Bc8 18.ba6 Ra6 19.Bf3=) 17.e4 Rd4 18.f5 (18.e5 Nd7 19.Rf1 f5+=) 18...Rad8 (18...Rd2 19.Kd2 Ne4 20.Ke3 gf5 21.gf5 Bf5 22.Rad1=) 19.fe6+= Rd2 20.Rf1 (20.e5 Ne4=) 20...Rb2 (20...R8d6 21.e5 Re2 22.Ke2 Re6 23.Kf3=) 21.Rd1 (21.e5!? Rdd2 22.Bf3+=) 21...Rd1= 22.Bd1 Ke8 (better 22...Rh2!? 23.e5 Ne4 24.Rf7 Ke8=) 23.e5+/- Ne4 24.b6 (24.ef7!? Kf8 25.h4+/-) 24...Ra2= 25.h4 (better 25.ef7!? Kf8 26.ba7 Ra7 27.h4=) 25...fe6-/+ 26.ba7 Ra7 27.Rf4 Nc3 28.Bc2 Ra2 29.Rf2 Kd7 30.g5 (30.Bd3!?-/+) 30...b5-+ 31.cb5 Nb5 32.Bd3 Ra1 33.Kd2 Nd4 34.Rf7 Rh1 35.Rh7 Nf3 36.Ke3 Ne5 37.Bb5 Kd6 38.Rh8 (38.Be8 c4 39.h5 Rh3 40.Ke2 Rh2 41.Kd1 gh5 42.Rh5 Rg2-+) 38...c4 39.Ba4 Rh3 40.Kf4? (40.Kd2-+) 40...Nd3 41.Ke4 Nc5 42.Kd4 Na4 43.Kc4 Ke5 44.Rh7 Nb6 45.Kc5 Nd5 46.Kc6 Ne3 47.Rh6 Kf5 48.Kd7 Nd5 (48...Ng2!? 49.Rh8 Rh4 50.Rf8 Kg5 51.Ke6 Re4 52.Kd5-+) 49.Rh7 Kg4 50.Ke6 Rh4 51.Rf7 Nf4 52.Ke5 Kg5 53.Re7 Rh1 54.Ra7 Kg4 55.Rg7 Re1 56.Kd4 (56.Kd6-+) 56…Ne6 (56...Ne6 57.Kd3 Ng7-+) 0-1. Gaifullin,Artur (2450) - Yeletsky,Ivan (2405), ch-RUS Junior, 2019. (=1.Nf3 Nf6 2.e3 g6 3.b4 d6 4.d4 Bg7 5.Bb2 0-0 6.c4 c5)

10.Be2 Nbd7 11.0-0 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Ra8 15.Bc3 Ra2 16.Re1?? (better is 16.Nbd2+=) 16...Bb1–+ 17.Rb1 Re2 18.Nd2 (18.Rd1–+) 18...Ng4 19.Bg7 Rd2 20.Bc3 (20.f3 Kg7 21.fg4 Ne5–+) 20...Rf2 21.h3 Rc2 22.hg4 Rc3 23.Rd1 Ne5 24.Rd5 (24.Rd8 Kg7 25.g5 b6–+) 24...Ng4 25.Rc5 (25.Rd8 Kg7 26.Kf1 Ne3 27.Kf2 Nc4 28.Rd7 Rc2 29.Kg1–+) 25...Rc1 0–1. Azzi,Ricardo Gurgel – Ashkenazi,Gilad, IECC, 2011. (=1.d4 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Nf3 c5 7.dc5 dc5 8.Qd8 Rd8)

6.d4 c6

7.a4 a5 8.b5 cb5 9.ab5 b6 10.Bd3 Bb7 11.0-0 Nbd7 12.Nbd2 d5 13.Qe2 Re8 14.Rfc1 e5 15.Ne5 Ne5 16.de5 Nd7 17.f4 Nc5 18.cd5 Qd5 19.Bc4 Qd7 20.Rd1 Qf5 21.Nf3 Bf3 22.Qf3 Qc2 23.Qe2 (23.Bd5!? Rac8 24.Ra2 Ne6+–) 23...Qe2+/- 24.Be2 Bf8 25.Bf3 Rab8 26.Rd5 Red8 27.Rad1 Rd5 28.Bd5 Be7 29.Kf1 Rd8 30.Ke2 Kf8 31.g4 Na4 32.Ba1 Bb4 33.e4 Bc3 34.Kd3 Ba1 35.Ra1 Nc5 36.Ke3 Ke7 37.Rd1 g5 (37...a4!?+/-) 38.fg5+– Ne6 39.h4 Nc7 40.Rd3 (better is 40.Rd2!?+–) 40...Nb5+= 41.Rb3 Nc7 42.Kd4 Rb8 (42...Ne6!? 43.Kc3 Nc7+=) 43.Rf3+/- Ne6 44.Be6 fe6 45.Rf6 Rf8 46.Rh6 Rf7 47.g6 hg6 48.Rg6 b5 49.h5 a4 50.g5 a3 51.Rg8 Rf8 52.Rf8 Kf8 53.Kc3 b4 ½–½. Petersen,Nils – Pedersen,He, Koge, 1997. (=1.c4 g6 2.Nf3 Bg7 3.d4 Nf6 4.b4 0-0 5.Bb2 d6 6.e3)

7.a4 Na6 8.b5 Nc7 (8...Qa5 9.Nc3 Nb4 10.Be2=) 9.Be2 Bf5 (9...c5 10.0-0+=) 10.0-0+= Qd7 (10...cb5 11.ab5 a6 12.Nc3=) 11.Nc3 Rfc8 12.h3 h5 (12...Rd8 13.Nh4+=) 13.Re1 (13.Nh4 Be6+=) 13...d5 14.Qb3 (14.Ne5 Qd6+=) 14...dc4 (14...cb5 15.ab5 dc4 16.Bc4+=) 15.Bc4 Be6 16.Ne5 Bc4 17.Qc4 Qe6 18.bc6 Qc4 19.Nc4 bc6 20.Rac1 Ncd5 (20...c5 21.dc5 Ne6 22.Ne5=) 21.Na5 (21.e4 Rab8=) 21...Nb6 (21...Nb4 22.Red1 Rab8 23.Ba3+=) 22.Ba3 (22.Nb7 Rcb8 23.Nc5 Nfd7+=) 22...Bf8 (22...Kf8 23.Nb3=) 23.e4+= e6 (23...Nfd7 24.Red1+=) 24.Bf8 Kf8 25.e5 (25.Nb7 Rab8 26.Nd6 Rd8+=) 25...Nfd5= 26.Ne4 Attacks the isolani on c6 26...Nb4 (26...Na4 27.Nd6 Rc7 28.Rc6 (28.Nc6? Nac3–+) 28...Rc6 29.Nc6+=) 27.Red1 (27.Re3 Rc7+/-) 27...Rc7 (27...Na4!? 28.Rc4 c5=) 28.Rb1 (28.Nc5 Ke7+/-) 28...N4d5+= 29.Rdc1 (29.Ra1!?+=) 29...Na4= 30.Ra1 Nf4 (better is 30...Nab6!?=) 31.Rc6+/- Rc6 32.Nc6 Nb6 33.g3 (33.Ra7?! Ra7 34.Na7 Ne2 35.Kf1 Nd4=) 33...Rc8 (33...Nd3 34.Ra3 Rc8 35.Na7 (worse is 35.Rd3 Rc6 36.Ra3 Rc7+=) 35...Rc1 36.Kh2+/-) 34.Na7+– (34.Ra7?! Nh3 35.Kg2 Nf2+=) 34...Ne2 35.Kf1 Rc2 36.Nb5 Nc4 (36...h4 37.Ra7 hg3 38.fg3+– (38.Ng3?! Nf4 39.Ra1 Nh3+=)) 37.Ra8 Kg7 38.Ned6 Nb2? (38...Nc1+–) 39.Ra7 (39.Na3 Rd2 40.Ke1 Rd4 41.Ke2 Rd5+–) 39...Nd3 40.Rf7 Kg8 41.h4 Nec1 (41...Rb2 42.Nc7 Nd4+–) 42.Nc7 (42.Nc7 Rc7 43.Rc7+–) 1–0. Kaenel,Hansjuerg (2335) – Sprenger,Manuel (2005), SUI–ch op, 2010. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.c4 c6)

7.a4 c5 8.bc5 dc5 9.Be2=.

7.a4 Qc7 8.Be2 Nbd7 9.a5 e5 (9...Ne4 10.Qc2 f5 11.Nfd2=) 10.Nc3+= Re8 (10...ed4 11.ed4 Re8 12.0-0+=) 11.0-0 ed4 12.Qd4 (12.Nd4 Nf8+=) 12...Ne5= 13.Rfd1 Nd5 14.cd5 (better is 14.Qd2!? Nc3 15.Bc3=) 14...Nf3–/+ 15.Bf3 Bd4 16.Rd4 c5 (16...Bf5 17.dc6 bc6 18.Rc4+=) 17.bc5+= Qc5 18.Be2 (18.Ne4 Re4 19.Re4 Bd7+=) 18...b5 (18...Qc7 19.Rc4 Qd8 20.Ne4+=) 19.Rc1 Qd4 20.ed4 b4 21.Bb5 bc3 22.Bc3 Rd8 23.Bd2 (23.a6 Bf5+=) 23...f6 24.h4 (24.Bd3 Rb8+=) 24...Rb8 25.Bc6 (25.Bd3 Rb3 26.Be4 Ba6+=) 25...Rb2–/+ 26.Bf4 (26.Bc3 Ra2–/+) 26...Bf5 (26...Ra2 27.Rb1 Kf7 28.Rb8–/+) 27.Rc3 (27.f3 Ra2–/+) 27...Ra2 28.Re3 Kf8 (28...Kf7 29.Rb3 Bc8 30.Rb8–/+) 29.Rb3 Ra5 (29...Bc8!?–/+) 30.Rb7+= Be4 Attacks the isolani on d5 (30...Kg8 31.Bh6+=) 31.Bd2= Ra1 32.Kh2 a5 (32...Kg8 33.Bh6=) 33.Bh6 Kg8 34.Rg7 Kh8 35.Re7 Bc2? (35...Bf5 36.Bg7 Kg8 37.Bf6=) 36.Bd7 (36.Bg7 Kg8 37.Bf6+–) 36...Bf5+= 37.Bg7 Kg8 38.Be6 Be6 39.de6 Rf8 40.Rd7 (40.Kg3 a4+=) 40...Rd1 (40...Re8 41.d5 Rd1 42.Bf6 Rd5 43.Rg7 Kf8 44.Rf7 Kg8 45.Rg7 Kf8 46.Rf7 Kg8 47.Rg7=) 41.e7 (41.Bf8 Kf8 42.Rh7 Rd4=) 41...Re8 (41...Kg7 42.e8Q Kh6 43.Qf8 Kh5 44.Rh7 Kg4 45.Qf6 Rh1 46.Kh1 a4 47.Qf3) 42.Bf6 Kf7 (42...Rd2 43.Rd6 Rf2 44.Ra6=) 43.Rd6= a4 44.Ra6 Rd2 (44...Rd3 45.g4=) 45.Kg3 Rc8 (45...a3 46.Bg5 Ra2 47.f3=) 46.Bg5 Rd3 (46...Rd4? 47.Rf6 Ke7 48.Rf4 Ke6 49.Rd4+–) 47.f3 Re8? (better is 47...a3=) 48.Ra4+/- h6 49.Bh6 Re7 50.Bf4 Re2 51.Ra7 (51.Kh3 Rd1+–) 51...Ke6 (51...Kf8 52.Bh6 Ke8 53.Rg7+/-) 52.Bg5 (52.Rg7 Kf6 53.Rd7 Ke6 54.Rd6 Kf7+/-) 52...Rc2 (52...Kd5 53.Ra5 Ke6 54.Ra6 Kf7 55.Rf6 Kg7 56.Rd6+/-) 53.Rg7 Rd4 54.Rg6 Ke5? (54...Kf7!? 55.Rf6 Kg8+–) 55.h5 (55.Bf6 Kf5 56.Bd4 Kg6+–) 55...Ra4 (55...Kf5 56.Rg8 Ra4 57.Kh3+–) 56.Kh3 (better is 56.h6 Ra7 57.Rg7 Raa2+–) 56...Raa2? (56...Rb4+–) 57.g3 (57.Bf6 Kd5 58.h6 Rc7+–) 57...Rh2?? (better is 57...Kf5 58.g4 Ke5 59.Bf6 Kf4 60.Bg5 Ke5 61.Bf6 Kf4 62.Bg5 Ke5=) 58.Kg4+– Ra4 (58...Kd5 59.h6+–) 59.f4 Ke4 60.Re6 (60.Rg7 Ra8+–) 60...Kd5 61.Re5 (61.Re5 Kc6 62.h6+–) 1–0. Dimakiling,Oliver (2405) – Le,Huu Thai (2165), 7. HD Bank Cup, 2017. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6)

7.Qb3 Qc7 8.Nbd2 Nbd7 9.Be2 d5 10.Rc1 dc4 11.Nc4 Nb6 12.0-0 Be6 13.Qc2 (13.b5 Rfb8+=) 13...Bd5 (13...Bc4 14.Bc4 Nc4 15.Qc4+=) 14.Nfd2 Rad8 15.a3 (15.Nb6 Qb6 16.a3 a5+=) 15...Nc4= 16.Bc4 (16.Nc4 Qd7+=) 16...Ng4 17.g3 Bc4 18.Nc4 h5 (18...Rd5 19.Kg2=) 19.Qe2 Qd7 20.h4 (20.f3 Nf6=) 20...Qd5 21.Nd2 (21.e4 Qe6 22.f3 Nf6=) 21...e5+= 22.Nf3 e4 23.Ng5 Rde8 24.Rc5 Qd7 (24...Qd6 25.b5 cb5 26.Rb5=) 25.b5 f6 26.bc6 bc6 27.Nh3 Rb8 (27...Ne3 28.Qe3 Qh3 29.Rc6=) 28.Nf4+= Kh7 29.Rfc1 (29.Qc2 f5+=) 29...Rb6 30.Qc2 Rfb8 31.Ba1 (31.Qe4 f5 (31...Rb2? 32.Qg6 Kh8 33.Rh5 Kg8 34.Rh7+–) 32.Qe6 Qe6 33.Ne6 Rb2 34.Ng5 Kg8 35.Rc6 Bf6+=) 31...Qe7 (31...Bf8 32.Rc3 (worse is 32.Qe4 f5 33.Qc2 Bc5 34.Qc5 Rb1+=) 32...Qe8 33.Qa4+=) 32.a4 (32.d5 Ra6 33.dc6 Ra3 34.Qc4+/-) 32...Nh6 (32...Qe8!?+=) 33.Rc6 (33.d5 Rb1 34.Rc6 Rc1 35.Qc1 Ng4+–) 33...Rc6 34.Qc6 Qa3 35.Rf1 Qe7 36.Nd5 Qf7 37.Rc1 Rb7 (37...Ng4 38.a5+/-) 38.Nc3 f5 39.Nb5 Ng4 (better is 39...Rb6 40.Qc7 Ra6+–) 40.Nd6?? (better is 40.d5 Rd7 41.Bg7 Qg7 42.Qd7 Qd7 43.Rc7 Qc7 44.Nc7+/-) 40...Qa2–/+ 41.Rf1?? (better is 41.Qc2 Qc2 42.Rc2 Rb1 43.Kg2 Ra1 44.Rc7–+) 41...Rb1–+ 42.Qc4 Ra1 (42...Qf2 43.Kh1 Qh2) 43.Ra1 (43.Qa2 Ra2 44.Rb1 Kg8 45.Rb8 Bf8–+) 43...Qa1 (43...Qf2 44.Kh1 Qh2) 44.Kg2 (44.Qf1 Qa4 45.Nb5 Qc2–+) 44...Qd1 (better is 44...Qb2 45.Ne4 Ne3 46.Kg1 Nc4 47.Ng5 Kg8–+) 45.Nf7 (45.Qf1 Qf3 46.Kg1 Ne3 47.Nf7 Nf1 48.Ng5 Kh8 49.Nf3 ef3 50.Kf1 Bd4 51.Ke1–+) 45...Qf3 46.Kh3 (46.Kg1 Qf2 47.Kh1 Qh2) 46...Qh1 0–1. Choma,Juliana Luiza (1885) – Cathcart,Joice (1965), Championship Paranaense Feminino, 2011. (=1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 c6)

7.Qb3 Nbd7 8.Be2 Re8 9.0-0 b6 10.Nbd2 Bb7 11.a4 Rb8 12.Rfd1 (12.a5 c5+=) 12...c5= 13.dc5 bc5 14.b5 e6 15.a5 Ba8 16.Qc2 Qc8 17.Bc3 d5 18.Ne5 (18.Rac1 e5 19.cd5 Nd5+=) 18...dc4 (18...d4!? 19.ed4 cd4 20.Bd4 Ne5 21.Be5 Rb5+=) 19.Ndc4+/- Ne5 (19...Qc7!?+/-) 20.Be5+- (20.Ne5?! Nd5 21.Bb2 Qc7+=) 20...Be4?? (20...Rb5 21.Nd6 Qc6 22.f3+-) 21.Qc3 (better 21.Qb2 Rd8 22.Bf6 Rd1 23.Rd1+-) 21...Nd5 22.Rd5 ed5 23.Bg7 Qe6 (better 23...Qd8 24.Bf6 Qd7+-) 24.Bh6 f6 25.Nd2 Rbc8 (25...c4 26.Ne4 Qe4 27.Qf6+-) 26.Ne4 de4 (26...Qe4 27.Qf6 Qe5 28.Qe5 Re5+-) 27.Bc4 (27.Bc4 Kf7 28.Be6 Re6 29.b6 ab6 30.ab6+-) 1-0. Mely (2225) - Veresov (1985), ChessWorld.net, 2016.

7.Nc3 a6 8.Bd3 Nbd7 (8...e5 9.0-0+=) 9.0-0 d5 (9...e5 10.Qc2+=) 10.cd5 cd5 11.Qb3 Nb6 (11...Nb8 12.Rac1+=) 12.Rac1 Be6 13.Ng5 (13.Rc2 Nc4+=) 13...Bd7 14.Rc2 (14.a4 a5+=) 14...h6 (14...Bg4 15.h3 Bf5 16.Bf5 gf5 17.a4+=) 15.Nf3 Be6 (15...Ne4 16.Rfc1+= (worse is 16.Ne4 Ba4 17.Qa3 de4 18.Be4 Bc2 19.Bc2 Rc8+=; 16.Nd5? Ba4 17.Qa3 Qd5–+; 16.Be4?! de4 17.Nd2 Be6=)) 16.Na4 (16.Rfc1 Nc4+=) 16...Na4 17.Qa4 b5 18.Qb3 Bg4 (18...Rc8!?+=) 19.Ne5+/- Be6 20.Rc6 (20.Rfc1 Ng4 21.Ng4 Bg4+/-) 20...Ne4 (20...Bd7 21.Rc5+/-) 21.Ng6! Nd2 (21...fg6 22.Re6 Double attack (22.Re6 Deflection; 22.Re6 Decoy; 22.Re6 Overloading)) 22.Qd1 (22.Qc3!? Nf1 23.Nf8 Bf8 24.Bf1+/-) 22...Nf1+= 23.Nf8 (23.Qf1? Bd7 (23...fg6?! 24.Re6 g5 25.Qe1=) 24.Nf8 Bc6–/+) 23...Qf8 (23...Ne3!? 24.fe3 Qf8+=) 24.Kf1 (24.Qf1 Qe8 25.Rc5 Qd7+–) 24...Bd7 (24...a5 25.ba5 (25.Bb5 Qb8 26.Qa4 Qh2 27.Re6 fe6=) 25...Ra5 26.a3+–) 25.Rc5 e6 26.g3 (26.Qg4 a5 27.a3 ab4 28.ab4 Ra2+–) 26...Qe7 (26...a5 27.ba5 Ra5 28.a3+/-) 27.a3 Qg5 (27...Qf6 28.e4+/-) 28.e4 Bf8 (28...Rc8 29.Bc1 Qe7 30.Rc8 Bc8 31.e5+–) 29.Kg2 (better is 29.f4 Qd8 30.Qh5+–) 29...Bc5+= (29...Bc5 30.dc5 Bc6+=) 0–1. Intruder – jazik51, internet free game, 2018.

7.Nc3 Na6 8.a3 (8.Qb3 Bf5 9.Be2 Qb6 10.Ba3 h6 11.0-0 Rfd8 12.b5 Nb8 13.c5) 8...c5 9.bc5 dc5 10.Be2 Qb6 11.0-0 Bf5 12.Ra2 Rfd8 13.d5.

7.Nc3 b6 8.Be2 Bb7 9.a4 Nbd7 10.a5 a6 11.ab6 Nb6 (11...Qb6 12.Na4 Qc7 13.c5=) 12.c5 Nbd7 13.0-0 Qc7 14.h3 (14.Ra5 dc5 15.dc5 Ne5+/-) 14...d5 15.Na4 (15.Ra5 Rfb8+=) 15...e5 (better 15...a5!?=) 16.de5 Ne4 17.Qd4 Rae8 The pressure on e5 grows 18.Nb6?? (better 18.Qd3+/-) 18...Ne5-/+ 19.Ne5? (better 19.Nh2 Nf3! 20.gf3 Bd4 21.Bd4-/+) 19...Be5-+ 20.Qe5 Re5 21.Be5 Qe5 22.Ba6 (22.Nd7 Qb2 23.Nf8 Qe2 24.Nd7-+) 22...Ba6 23.Ra6 Qc3 24.Nd7 (24.Rfa1-+) 24...Kg7 (better 24...Rd8 25.Ra7-+) 25.Rc6? (25.Nf8 Kf8 26.Rb6 Kg7-+) 25...Qb4 (better 25...Rd8!? 26.Rc7-+) 26.Nf8 Kg8?? (better 26...Kf8 27.Rc8 Kg7-+) 27.Rc8 (27.Nd7 Qb7 28.Nf6 Nf6 29.Rf6 Qb5+-) 27...Kg7 (27...Qb7 28.Rd8 Kg7 29.Re8+=) 28.c6 (28.Nd7!?+-) 28...Nd6 29.Rd8 Nb5? Black prepares d4 (better 29...Qc5!?+=) 30.Nd7+- Qc4 31.Ne5 Qc3 32.f4 d4? (better 32...Qe3 33.Kh2 f6 34.Rd7 Kf8 35.Rf7 Kg8 36.Rf6 Qa7+-) 33.ed4 Nd4 (33...f6 34.Rd7 Kf8 35.d5 fe5 36.fe5 Ke8 37.e6+-) 34.Rd4 Qd4 (34...Qd4 35.Kh1 Qc3=+) 0-1. Chess__Academy (2405) - chessajedrezz2020 (2415), Rated bullet game, lichess.org, 2020.

7.Nc3 c5 8.bc5 dc5 9.Be2 Nc6 10.d5 Nb4 11.a3 Na6 12.Qb3+=.

7.Nc3 Qe8 8.Be2 e5 9.Qc2 Bf5 10.Qb3 Nfd7 11.a3 Bg4 12.de5 de5 13.Ne4 Qe7 14.c5 Nf6 15.Nf6 Bf6 16.0-0 Nd7 17.Rfd1 Rad8 18.Rd2?? (better is 18.e4+=) 18...Bf3–+ 19.Bf3 Nc5 20.Qc2 Rd2 (20...Rd2 21.Qd2 Nb3–+) 0–1. Zheltonojenko,Sergey (1835) – Kharlamov,Anton (2090), Belgorod–ch, 2007. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.c4 d6 5.b4 0-0 6.Bb2 c6)

7.Nbd2 a6 8.Be2 b5 9.0-0 Nbd7 10.a4 bc4 11.Nc4 Nd5 12.Qd2 N7f6 13.Rfc1 Ne4 14.Qe1 Rb8 15.Ba3 Bd7 16.Bd3 f5 17.Na5 Qb6 18.Nd2 Nd2 19.Qd2 f4 20.Nc4 ½–½. Mantovani,Renzo (2370) – Bellia,Fabrizio (2255), ITA–ch, 1989. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4)

7.Nbd2 c5 8.bc5 dc5 9.Be2 Bf5 10.Qb3 Qc7 11.0-0 Rd8 12.d5=.

7.Nbd2 Nfd7 8.Qb3 e5 9.b5 Qe7 10.de5 Ne5 11.Rd1 Be6 12.Nd4 c5 (12...cb5 13.Ne6 fe6 14.cb5=) 13.Ne6+= fe6 14.Be2 Nbd7 15.Ne4 Nf7 16.Bg7 Kg7 17.Qb2 Kg8 18.Qd2 Rad8 19.0-0 (19.Nd6? Nb6–+) 19...Nf6 20.Nf6 Qf6 21.Qa5 Qe7 22.Rd2 b6 23.Qa3 Ne5 24.Rfd1 Qc7 25.f4 Nf7 26.Bf3 Qe7 27.Qa6 Kg7 28.Qb7 Rd7 29.Qe4 Nh6 (29...Qf6 30.Qd3+=) 30.g4 (better is 30.Rd6! Rd6 31.Qe5 Qf6 32.Qf6 Kf6 33.Rd6+–) 30...Rfd8 31.Rd3 Re8? (31...Kg8+=) 32.R3d2 (better is 32.Rd6! Red8 33.Rd7 Rd7 34.Rd7 Qd7 35.g5+–) 32...Red8+= 33.Rg2 Re8 34.Kf2 Nf7 35.Qd3 Qh4 36.Kf1 Rdd8 37.Rdd2 Qe7 38.Rg3 Kf8 39.Bc6+/- Kg7 40.Be8+– Re8 41.Qe4 Qf6 42.Qc6 Kg8?? 43.g5 Qg7?? 44.h4 Re7 45.Rh2?? d5?? 46.h5 dc4 47.hg6+– hg6 48.Rgh3 Nd6?? 49.Rh8! (49.Rh8 Qh8 50.Rh8 Kh8 51.Qd6+–) 1–0. Kuhn,H – Vogel,Jaap (2300), SEM–ch Gr–D Dudweiler, 1995.

7.Bd3 b6 8.a3 Bb7 9.0-0 Nbd7 10.Nbd2 a6 11.Rc1 Rc8 12.c5 bc5 13.dc5 dc5 14.bc5 Qa5 15.Nb3 Qc7 16.Qd2 Rcd8 17.Be2 (17.Qa5 Rc8+/-) 17...Ne5 (17...Nc5 18.Qa5 Ne6 19.Qc7 Nc7 20.Na5+/-) 18.Be5 (better is 18.Qa5 Nf3 19.Bf3+/-) 18...Qe5?? (better is 18...Rd2 19.Bc7 Re2=) 19.Qd8 Qb2 (19...Rd8 20.Ne5 Nd5 21.Na5 Be5 22.Nb7+–) 20.Qd3 (better is 20.Qe7 Qb3 21.Nd4 Qa3 22.Qb7 Nd5 23.Nc6 Nc3 24.Ba6 Qc5+–) 20...Qa3 21.Nbd4 Qb4 22.Rb1 Qa5 23.Rb7 Qd8 24.Qa6 Nd5 25.Qc6 Nc3 26.Bc4 Qa8 27.Qb6 Qa4 28.Qb4 Ra8 29.Qa4 Ra4 30.Bd3 Ra3 31.Rb8 Bf8 32.Rc1 Kg7 33.Rc3! Rc3 34.Bf1 Rc1 35.g3 Rc5 36.Kg2 Rc1 37.Nd2 e6 38.Ne4 Ra1 39.Rb7 e5 40.Ne6 Kg8 41.Nf8 Kf8+– 42.Rb8 Ke7 43.Bc4 Ra4 44.Rb7 Kd8 45.Bf7 Re4 46.Bd5 Ra4 47.Rh7 Ra5 48.Be4 g5 49.Rh5 Ra4 50.Bf5 e4 51.Rg5 Ke7 52.Rg4 Kf6 53.Be4 Ke5 54.Bf3 Ra2 55.h4 Ra3 56.h5 Ra7 57.h6 Rh7 58.Rh4 Kf6 59.Be4 Rh8 60.h7 Kg7 61.f4 Kf6 62.Kf3 Kf7 63.g4 Kf6 64.g5 Kf7 65.g6 (65.g6 Kg7 66.f5+–) 1–0. Fournier,Frederic – Ariai, Partie evaluee, 1m + 2s, 2008.

7.Bd3 Qb6 8.0-0 (8.Qb3 Na6 9.Bc3 Be6 10.0-0 Nc7 11.c5 dc5 12.dc5 Qb5 13.Qd1; 8.Bc3 c5 9.bc5 dc5 10.0-0 Nc6 11.Nbd2 cd4 12.ed4 Nh5 13.c5; 8.Nc3 Qb4 9.a3 Qa5 10.0-0 Na6 11.h3 Nc7 12.Ne2 Ne6 13.Bc3; 8.Nbd2 Qb4 9.Qc2 c5 10.0-0 Na6 11.a3 Qb6 12.Rab1 Qc7 13.Bc3; 8.Qd2 Bg4 9.c5 Qd8 10.Nc3 a5 11.Na4 Nbd7 12.a3 ab4 13.ab4; 8.b5 cb5 9.cb5 Bd7 10.Nc3 Nc6 11.a3 Na5 12.Na4 Qd8 13.0-0; 8.a3 c5 9.Bc3 Rd8 10.0-0 Na6 11.Nbd2 cd4 12.Bd4 Qc7 13.Rc1) 8...Qb4 9.Bc3 Qb6 10.Nbd2 Nbd7 11.h3 c5 12.a4 Re8 13.Re1.

7.Bd3 c5 8.bc5 (8.a3 cd4 9.Nd4 a5 10.0-0 Nc6 11.Nc6 bc6 12.Nd2=) 8...dc5 9.0-0 Na6 10.Qb3 b6 11.Rd1 Bg4 12.Nbd2+=.

7.Bd3 Re8 8.0-0 (8.Nbd2 e5 9.de5 de5 10.Qc2 a5 11.b5 Nbd7 12.Rd1 Nc5 13.Ne4; 8.Na3 Na6 9.Qb3 c5 10.bc5 dc5 11.0-0 Nb4 12.Be2 Ne4 13.Nc2) 8...Nbd7 (8...Na6 9.Qb3 c5 10.bc5 dc5 11.Nbd2 Nb4 12.Bb1 Bd7 13.Ne5) 9.Nbd2 (9.Nc3 e5 10.Qc2 ed4 11.ed4 Nb6 12.Rfe1 Be6 13.Ne2) 9...e5 10.Qc2 ed4 (10...Qe7 11.Be2 e4 12.Ng5 Nb6 13.c5) 11.Nd4 (11.ed4 a5= 12.b5 cb5 13.Rfe1) 11...Ne5 12.Be2 (12.a3 Nd3 13.Qd3) 12...d5 (12...c5 13.bc5+= (13.N4b3+=)) 13.c5 (13.h3=) 13...Qc7 (13...Bg4 14.Bg4 Nfg4 15.h3=) 14.b5 (14.h3 Bd7+=) 14...Neg4 15.N2f3 h5 16.h3 Nh6 17.Qa4 Bd7 18.Rac1 Ne4 19.Ba3 (19.Rc2!?=) 19...g5+= 20.bc6 (20.Bb4 g4 21.Ba5 b6 22.bc6 Bf5–/+) 20...bc6 21.Bb4 a5 22.Be1 g4 23.hg4 hg4 24.Nd2 Nd2 (24...g3!? 25.Ne4 Re4–/+) 25.Bd2+= Re5 (25...g3 26.Bf3+=) 26.g3 Re4 (26...Nf5!?=) 27.Bd3+/- Re5 28.Nb3 (28.Rb1!?+/-) 28...Rh5 29.Ba5 (29.e4 Rh3 30.Bf4 Be5 31.ed5 Bf4=) 29...Qe5= 30.Qf4 Qe6 (30...Qf4 31.ef4 Bf5 32.Bb1=) 31.Qd6 Qe8 32.Bc3 Nf5 33.Bf5 '??' Bf5–+ 34.Bg7 Qe4 35.f3 Qe3 36.Rf2 Kg7 37.fg4 –+. Gengler,Pierre – Scholtes,Theo, Luxembourg op, 1997.

7.Bd3 Bg4 8.0-0 Nbd7 9.Nbd2 Qc7 10.h3 Be6 11.Ng5 h6 (better 11...Qb6!? 12.a3 a5+/-) 12.Ne6+- fe6 13.Bg6 e5 14.Qb3 Kh8 (14...ed4 15.ed4 d5 16.c5+-) 15.de5 de5 16.a3 a5 17.e4 ab4 18.ab4 Ra1 19.Ra1 Nh7 20.c5 b6 21.Bf5 bc5 22.Qe6 Nhf6? (22...cb4 23.Nf3 Rd8 24.Qe7 Nhf8+-) 23.Nf3 (23.Qe7?! Re8 24.Qf7 Rf8+-) 23...cb4 (23...Rg8 24.bc5 Qb7 25.Ne5 Ne5 26.Be5 Rf8+-) 24.Nh4 (24.Nh4 Rf7 25.Qf7+-; 24.Ne5?! Ne5 25.Be5 Qb7+-) 1-0. Subedei (2380) - bertomeeggo (1995), ChessWorld.net, 2013.

7.d5 Bg4 8.Be2 Nbd7 9.0-0 cd5 10.Nh4 (better is 10.cd5!? Nb6 11.e4 Ne4 12.Bg7 Kg7 13.Qd4 Nf6 14.Nc3=+) 10...Be2–+ 11.Qe2 b6 (11...Qb6!? 12.cd5 Qb4 13.Nf3–/+) 12.Nd2 a5 13.a3 ab4 14.ab4 e6 15.Nhf3 dc4 16.Nc4 d5 17.Nce5 Ra1 18.Ra1 Ne4 19.Qb5 (19.Nc6!? Qc7 20.b5=) 19...Ne5–/+ 20.Ne5 Qd6 21.f3?? (better is 21.f4=+) 21...Be5–+ 22.Be5 Qe5 23.Rc1 Nf6 24.Qb6 Rb8 25.Qc5 Nd7 26.Qa7 Rb4 27.Qa3 Rc4 28.f4 Rc1 29.Qc1 Qe4 30.Qc8 Kg7 31.Qd7 Qe3 32.Kf1 Qf4 33.Ke2 Qh2 (34.Kf3 h5–+) 0–1. edfdo – pacrob1, Caissa.com, 2004.

7.Be2 c5 8.bc5 dc5 9.d5 e6 10.de6 fe6 11.0-0 Qc7 12.Nbd2 Ng4 13.h3 (better is 13.Bg7 Kg7 14.Qb3+=) 13...Ne3 14.fe3 Bc3?? (better is 14...Bb2 15.Rb1 Bg7–/+) 15.Bc3+– Nc6 16.Ne4 e5 (16...Qe7 17.Ne5 Nb4 18.Ng4+–) 17.Qd5 Kh8 (17...Qf7+–) 18.Ne5 Kg7 1–0. Fournier,Frederic – am444, Active, 2005.

7.Be2 Bd7 8.0-0 Qb6 9.a3 (9.Bc3 Ne4+=) 9...a5 (9...c5 10.Qd2=) 10.c5+= Qc7 11.Nbd2 (11.Qa4 Bf5+=) 11...Na6 (11...ab4 12.ab4 Na6 13.Ra4+=) 12.Bc3 (12.Qb3 ab4 13.ab4 Be6+=) 12...Nd5= 13.Qb3 (13.Ba6 Ra6 14.Qb3 b5=) 13...ab4 (13...dc5 14.ba5 Nc3 15.Qc3 cd4 A) worse is 16.Nd4 c5 17.Ba6 Ra6–/+ (worse is 17...ba6 18.Rac1+=); B) 16.ed4+=) 14.ab4 (14.cd6!? Qd6 15.ab4 Nc3 16.Ba6 Ra6 17.Qc3+=) 14...dc5+= 15.Ba6 cd4 (15...cb4 16.Bb4 Ra6 17.Ra6 ba6 18.Bc5+=) 16.Bd4= ba6 (16...Bd4 17.Nd4 Ra6 18.Ra6 ba6 19.e4+=) 17.Rac1 (17.Bg7 Kg7 18.e4 Nf4=) 17...Qb7 (17...Bd4 18.Nd4 Qb7 19.Rc4–/+) 18.Bc5 (18.Bg7!? Kg7 19.Rc4+=) 18...Rfb8–/+ 19.Rb1 (19.Qd3!? Qb5 20.Rc4–/+) 19...Nc3–+ 20.Rbe1 (20.Ra1 a5! 21.Ng5 e6–+) 20...a5 21.Ng5 Be8 22.Nde4 Ne4 23.Ne4–/+ ab4 24.Rb1 Ra5 25.Rfc1 Rb5 26.Bd4 Bd4 27.ed4 Qd7 28.Rc4 Qa7 29.Nc5 Qa3 30.h3? Qb3–+ 31.Rb3 f6 32.Rc1 Bf7 33.Rb2 b3 34.Re1 Rd8 35.Re7 Rd4 36.Na6 Ra4 37.Nc7 Rb7 38.Nd5 Re7 39.Ne7 Kg7 40.Nc6 Ra1 41.Kh2 Ra2 42.Rb1 Rf2 43.Nd4 b2 44.Kg1 Rd2 45.Nf3 Rc2 46.Kh2 Ba2 47.Rb2 Rb2 (47...Rb2 48.Nh4 Bd5–+) 0–1. Bartoniewicz,Anna – Hermanowicz,Dominika, Poland–chT U20 Wisla, 2000.

7.Be2 Be6 8.0-0= d5 (8...Qb6 9.a3=) 9.Nbd2 Nbd7 (9...Qb6!?=) 10.Ng5+= Bf5 11.g4 Be6 12.Ne6 fe6 13.g5 Ne8 14.Bg4 Nc7 15.f4 Kh8 (15...dc4 16.Nc4 Nb6 17.Na5+/-) 16.h4 (16.Qb3 dc4 17.Nc4 Nb6+/-) 16...h5 (16...dc4 17.Nc4 Nb6 18.Na5+/-) 17.Be2+/- Kh7 (17...Qe8!?+/-) 18.Bd3+– Rh8 (18...Rf5 19.Rc1+–) 19.c5 (19.Qh5 Kg8 20.Qg4 Nf8+–) 19...a5 20.Qh5 Kg8 21.Qg4 (21.Qg6?? Nf8 22.h5 Ng6 23.Bg6 ab4–+) 21...Nf8 (21...ab4 22.Bg6 Nc5 A) 23.dc5 Bb2 24.Rad1 Qf8+– (worse is 24...Ra2 25.f5+–); B) 23.h5+–) 22.a3 Qc8 23.Nf3 Qe8 24.Bc3 a4 (24...Nd7 25.Bd2 ab4 26.ab4 Ra1 27.Ra1+–) 25.Ne5 Ra7 26.Kg2 Ra8 27.Rh1 (better is 27.Rf2 Rh7+–) 27...Ra7 (27...Nb5 28.Bb2 Be5 29.fe5+– (worse is 29.de5 Kg7+–)) 28.Rh3 (28.Ng6 Ng6 29.h5 Nf8+–) 28...Ra8 (28...Nb5 29.Bb2 Be5 30.fe5+–) 29.Rah1 (better is 29.Ng6!? Ng6 30.h5 Nf4 31.ef4 Nb5 32.Bb5 cb5+–) 29...Rh5 30.Kg3 Be5 31.fe5 (worse is 31.de5 Nb5 32.Bb2 d4+–) 31...Nd7 (31...Rd8 32.Rf1+–) 32.Rf1 Rh7 (32...Kg7 33.Rh2+–) 33.Rh2 (better is 33.h5 Rh5 34.Rh5 gh5+–) 33...Nf8 (33...Rh5 34.Rhf2 Rh7 35.Qe2+–) 34.Rhf2 (better is 34.h5 Rh5 35.Bg6 Qg6 36.Rh5 Qe4+–) 34...Qd7 (34...Nd7 35.Qe2+–) 35.Rf4 (better is 35.h5 Rg7+–) 35...Rb8 (35...Nb5 36.Bb2 Rh8 37.Rf7+–) 36.Qd1 (36.h5 Rh8 37.hg6 Qe8+–) 36...Ra8 37.R1f2 Nb5 (37...Rd8 38.Qa4 Nb5 39.Bb2+–) 38.Bb2 (38.Qf1 Qd8 39.Bb5 cb5 40.Rf8 Qf8 41.Rf8 Rf8 42.Qb5 Rhf7 43.Qb7 Rf3 44.Kg4 Re3 45.Qe7 Re4 46.Kg3 Re3 47.Kg2 Rc3 48.Qe6 Kg7 49.Qd7 Kh8+–) 38...Nc7 (38...Rd8+–) 39.Qf1 Qe8 40.Rf8 (40.Rf8 Qf8 41.Rf8 Rf8 42.Qb1+–) 1–0. Zarubitski,Viachaslau (2215) – Egyed,J (1910), World Youth U16 Olympiad, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 c6)

7.Be2 h6 8.0-0 Bf5 9.Nc3 d5 10.Qb3 e6 11.Ne5 g5 12.b5 Qc7 13.Rac1 dc4 14.Bc4 Nbd7 15.Nd7 Qd7 16.Na4 Ne4 17.Rfd1 g4 18.Nc5 Qc8 19.Bd3 Nd6 20.e4 Bg6 21.bc6 bc6 22.Qa4 Rd8 23.Bc3 a5 24.Rb1 Qc7 25.Rb3 Ra7 (25...e5 26.de5 Nb5=) 26.e5 Nb5 27.Bg6 Be5 28.g3 Bd4 (28...Rd5 29.Be4 Rc5 A) 30.dc5?! Nc3 31.Rc3 Bc3+=; B) worse is 30.de5 B1) 30...Rc3? 31.Bc6 Rc6 32.Qg4 (32.Rb5?! Rc4 33.Qa3 Kg7=; 32.Qb5?! Rc1 33.Rc1 Qc1 34.Kg2 Kg7=) 32...Kh7 33.Rb5+–; B2) 30...Nc3 31.Rc3 Rc3–/+; C) 30.Bb2+–) 29.Rd4 (29.Bd4?! e5+–) 29...Nd4 30.Bd4 e5 31.Ne6! fe6? (31...Rd4 32.Nd4 ed4+–) 32.Ba7 Qa7 33.Qg4 (33.Qg4 Qe7 34.Be4 Kh8 35.Qg6+–) 1–0. Misanovic,Vesna (2360) – Mihevc,Narcisa (2150), Zadar op (Women), 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6)

7.h3 Na6 8.b5 cb5 9.cb5 Nb4 10.a3 Nbd5 11.Nbd2 Qa5 12.Rc1 Bd7 13.Qb3 Rac8 14.Bd3 Rc1 15.Bc1 Qc3 16.0-0 Qb3 17.Nb3 Nc3 18.Na5 Bb5 19.Bb5 Nb5 20.Nb7 Rb8 21.Na5 Rc8 22.Bb2 Rc2 23.Rb1 Ne4 24.a4 Nc7 25.Rc1 Rc1 26.Bc1 Nc3 27.Bd2 Na4 28.Nc6 Kf8 29.Na7 Ke8 30.e4 h6 31.Ba5 Kd7 32.d5 f5 33.Bc7 Kc7 34.ef5 gf5 35.Nh4 Nc3 36.Nf5 Bf8 37.Ne3 Kb6 38.Nc6 Kc5?? 39.Nd8+– Ne2 40.Kh2 Nd4 41.g4 Bg7 42.f4 Bh8 43.h4 Kb6 44.Ne6 Ne6 45.de6 Kc5 46.g5 hg5 47.hg5 d5 48.Kg3 Kd6 49.f5 Ke5 50.Kg4 d4 51.Nc4 Kd5 52.Nd2 d3 53.Nf3 Kd6?? 54.Kh5 Bg7 55.Kg6 Bb2 56.Kf7 Kd5 57.f6 (57.f6 Ba3 58.g6+–) 1–0. Charlier,Laurent (1740) – Baguet,Frederic (1945), BEL–ch op Namur, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6)

7.h3 Nbd7 8.Nbd2 Re8 9.c5 (9.Be2 e5=) 9...Nd5 10.cd6 (10.Qb3 dc5 11.bc5 e5 12.Ne5 Ne5 13.de5 Qa5=) 10...ed6+= 11.a3 N7b6 12.Be2 Bh6 13.e4 (13.0-0 Be3 14.fe3 Ne3+=) 13...Nf4 14.0-0 Na4 15.Qa4 Ne2 16.Kh2 Bd2 17.Nd2 Qg5 18.Qd1 Nf4 19.Qf3 Ng2 (19...Nh3 20.gh3 Qd2 21.Bc3–/+) 20.Nc4 (20.Bc1 Nh4 21.Qg3 Qh5+=) 20...Nh4–/+ 21.Qg3 Re4 22.Rae1 (better is 22.Qg5!? Nf3 23.Kg3 Ng5 24.Nd6–/+) 22...Qg3–+ 23.Kg3 Nf5 24.Kf3 (24.Kh2 Rh4–+) 24...Re1 25.Re1 Be6 26.Ne3 Re8 27.Bc3 Bd5 (27...Ne7!? 28.h4–+) 28.Nd5 Re1 29.Be1 cd5 30.Ke2? (better is 30.Bc3–+) 30...Nd4 31.Kd3 Nf5 (31...Nf3 32.Bc3–+) 32.b5 Kg7 33.Ba5 Kf6 34.Bc7 (34.Bd2 h6–+) 34...Ke6 (34...Kg5!? 35.Bd8 Kf4 36.b6 ab6 37.Ke2–+) 35.a4 Kd7 (35...Ke5 36.b6 a5 37.Bd8–+) 36.Bb8 (36.Ba5 a6–+) 36...a6 37.ba6 ba6 38.f3 Kc6 39.Ba7 d4 40.a5 Kd5 (40...Kd5 41.Ke2 Kc4–+) 0–1. Koberl,F – Navarovszky,L, Hungary, 1965. (=1.c4 Nf6 2.Nf3 c6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.d4 d6)

7.a3 Nbd7

8.Nc3 Qc7 9.Qb3 Re8 10.Rc1 e5 11.Be2 ed4 12.Nd4 a6 13.0-0 c5 14.Nf3 Ne5 15.Rfd1 Bg4 16.Ne5 de5 17.Bg4 Ng4 18.Nd5 Qc6 19.b5 ab5 20.cb5 Qe6 21.Rc5 Qf5 22.Qc2 Qc2 23.Rc2 Rad8 24.e4 Nf6 25.f3 Nd5 26.Rd5 Rd5 27.ed5 Rd8 28.Rd2 Rd6 29.a4 b6 30.Ba3 Rd8 31.d6 Bf8 32.Kf2 f5 33.Rd5 Kf7 34.Re5 Bd6 35.Bd6 Rd6 36.Re3 Rd4 37.Ra3 Rb4 38.Ke3 Ke6 39.Kd3 Kd5 40.Kc3 Kc5 41.Ra1 Rc4 42.Kb3 Rb4 43.Ka3 Rd4 44.Rc1 Kd5 45.Rc6 Rd3 46.Kb4 Rd4 47.Kb3 Rd3 48.Kc2 Rd4 49.Rb6 Ra4 50.Rb7 h5 51.Kb3 Ra1 52.Rg7 Ke5? 53.Rg6+– Rh1 54.h3 h4 55.b6 Rb1 56.Kc4 Kf4 57.Kc5 Rc1 58.Kb5 Rb1 59.Kc6 Rc1 60.Kb7 Ke3 61.Rh6 Kf2 62.Rh4 Kg2 63.Rf4 Kh3 64.Rf5 Kg3 65.Rf6 Kh4 66.Kb8 1–0. minzuhar (1975) – atanas70 (1745), kurnik, 2012.

8.b5 cb5 9.cb5 Bd7 10.a4 Nd5 11.Bc4 Nb4 12.0-0 d5 13.Be2 Bf5 14.Rc1 Nd7 15.Qb3 Nb6 16.Ba3 Nc4 17.Nc4 dc4 18.Bc4 Be4 19.Nd2 Bd5 20.Bb4 Bc4 21.Qc4 ab4 22.Qb4 e5 23.Nf3 e4 24.Nd2 f5 25.Ra1 h6 26.Rfc1 Qg5 27.g3 h5 28.h4 Qg4 29.Rc7 g5 30.Qe7 gh4 31.Nf1 hg3 32.Ng3 h4 33.Kg2 hg3 34.fg3 Rae8 35.Qh4 Qh4 36.gh4 Rc8 37.Rac1 Rc7 38.Rc7 Rf7 39.Rc8 Kh7 40.Kg3 Bh6 41.b6 Be3 42.Rc7 Kg6 43.a5 Bd4 44.Rc4 Be5 45.Kf2 Rd7 46.Ke3 Kh5 47.Rc5 Bd4 48.Kf4 Bc5 49.Kf5 e3 0–1. barborski (1620) – benekj23 (1690), kurnik, 2012.

8.Nbd2 Re8 9.Bd3 e5 10.Qc2 ed4 11.Bd4 Ne5 12.Ne5 de5 13.Bb2 Qc7 14.0-0-0 a5 15.Kb1 ab4 16.ab4 Be6 17.h3 Red8 18.Ne4 Rd3 19.Qd3 Ne4 20.Qe4 Bf5 21.Qf5 gf5 22.Rd2 Bf6 23.Rhd1 Kg7 24.f4 ef4 25.Bf6 Kf6 26.Rd6 Ke7 27.ef4 Qd6 0–1. apa4i777 (1780) – malamat (1730), kurnik, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4)

7.a4 Nbd7

8.Qb3 Re8 9.Be2 Qc7 (9...e5 10.0-0+=) 10.0-0= Nf8 11.Nbd2 e5 12.de5 de5 13.c5 e4 14.Nd4 Ng4 (14...Bg4 15.Nc4 Ne6 16.Ne6 Be6 17.Qc3=) 15.g3 Nh6 (15...Bd4 16.ed4 Nf6 17.Nc4+=) 16.Nc4 (16.Qc2 Qe7+/-) 16...Bh3 (16...Ne6 17.Nd6 Rd8 18.Bc4 Nd4 19.Bd4 Bd4 20.ed4 Rd6 21.cd6 Qd6 22.d5+/-) 17.Nd6 (17.Rfd1 Ne6+/-) 17...Re7 (17...Bf1!? 18.Ne8 Re8 19.Rf1 Ne6 20.Ne6 Re6+=) 18.Rfd1+/- Kh8 (18...Ne6 19.Ne6 Be6 20.Qc2+/-) 19.Rd2 Nd7 20.Rad1 Nf6 21.Bc4 Rf8 22.Qa2 Kg8 23.Qa1 Ne8 24.Bc3 (24.Ne2 Bb2 25.Qb2 Nf5+–) 24...Bg4 (24...Ng4 25.Qa3+/-) 25.Be2 Be2 (25...Nd6?? 26.cd6 Qd6 27.Nc6 Bc3 28.Rd6 Ba1 29.Ne7 Kg7 30.Bg4+– (worse is 30.Ra1 Be2 31.Rc1 Ng4+–)) 26.Ne2 Bc3 27.Qc3 f5 (27...Ng4!?+/-) 28.Qc4 Kh8 29.Qc3 Ng7 (29...Kg8 30.Nf4 Ng7+–) 30.Nf4 ½–½. Marret,Benjamin (1840) – Andrejic,Vladica (2195), Cetinje MNT, Batricevic Mem, 2012. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 c6)

8.Qc2 Re8 9.Be2 (9.Qd3 e5 10.de5 de5=) 9...Qc7 (9...e5 10.a5=) 10.0-0 Nf8 11.Nbd2 Bf5 12.Qb3 Rad8 13.c5 (13.h3 a5=) 13...d5 14.b5 Nimzovich: attack the chain at its base 14...h6 (14...Ra8 15.b6 Qc8 16.ba7=) 15.Rfc1 (15.a5 cb5 16.Qb5 a6+=) 15...Be6 (15...Ra8 16.b6 Qc8 17.h3=) 16.Ba3 (16.h3 Bc8+=) 16...Ne4 17.Rab1 (17.Nf1 Qd7=) 17...Rb8 (17...Bf5 18.bc6 bc6 19.Qb7=) 18.Qc2 Nd2 ½–½. Ritz,Thomas (2160) – Carl,Werner (1920), Seefeld op, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.c4 c6 7.a4 Nbd7)

8.Be2 Qc7 9.0-0 a5 10.b5 cb5 11.ab5 b6 12.Nc3 Bb7 13.Rc1 Rac8 14.Qb3 e6 15.Nd2 h5 16.Ba3 Rfe8 17.Rfd1 Qb8 18.Bf3 Bf8 19.Bb7 Qb7 20.Qb1 d5 21.Bf8 Kf8 22.Qb3 Red8 23.Na4 dc4 24.Nc4 Ne8 25.Qa3 Kg7 26.f4 Rc7 27.Qb2 f6 28.Rc3 Rdc8 29.Rdc1 h4 30.h3 Qd5?? 31.Nd2 Rc3 32.Rc3 Rc3 33.Nc3 Qf5 34.Nde4 e5 35.Qa3 Kf7? 36.de5 Ne5 37.fe5 Qe5 38.Qa2 Kg7 39.Qd5 Qe7? 40.Qd4 Qe6 41.Kf2 Nc7 42.Ke1 Kf7 43.Nd6 Ke7 44.Nc4 a4 45.Ke2 g5 46.Nb6 a3 47.Nc4 a2 48.Qc5 Kd7 49.Na2 Nd5 50.Qd5! (50.Qd5 Qd5 51.Nb6 Ke6 52.Nd5 Kd5 53.Nc3 Kc5 54.Kf3+–) 1–0. Kaenel,Hansjuerg (2330) – Kovacevic,Vlad (2205), TCh–SUI, 2010. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4)

8.h3 a5 9.ba5 Qa5 10.Nfd2 Re8=.

7.Nc3 a5

8.a3 ab4 (8...Bg4 9.h3 ab4 10.ab4 Ra1 11.Ba1 Bf3 12.Qf3=) 9.ab4 Ra1 10.Qa1 Na6 (10...d5 11.c5 Bg4 12.Ne5=) 11.b5 (11.Qa3 d5 12.b5=) 11...cb5 12.Nb5 (12.cb5=) 12...Bg4 (12...Bf5 13.Be2=) 13.Be2 d5 (13...Qb6 14.0-0=) 14.cd5 Qd5 (14...Qb6 15.Nc3+=) 15.Nc3+= Qb3 (15...Qe6 16.0-0+=) 16.0-0 (16.Qa3 Qb6+=) 16...Nb4 17.Bd1 Qe6 18.h3 Bf5 19.Qa4 (19.Ne5 Rc8+=) 19...Qb6 (19...Nd3 20.Bb3 Nb2 21.Qa2=) 20.Ba3+= Nbd5 21.Nd5 Nd5 22.Bb3 Nc3 (22...Qc6!? 23.Qc6 bc6+=) 23.Qb4+/- Qc6 (23...Qb4 24.Bb4 Rc8 25.Be7+/-) 24.Qe7 Be4?? (better is 24...Qb5 25.Qb4 Rc8+–) 25.Ne5+– Qa6 (25...Qf6 26.Qf6 Bf6 27.Nd7+–) 26.Bf7 Kh8 27.Bc4 b5 28.Bb3 Qa8 29.Nf7 Kg8 30.Qe6 Rf7 31.Qf7 Kh8 32.Ra1 Ne2 33.Kh2 Qb8 34.f4 (34.f4 Bc6 35.Be7 Nf4 36.ef4 h6 37.Qg6 Be8 38.Qe4 h5 39.Ra8 Bd4 40.Rb8 Bg1 41.Kg1 Kg7 42.Re8 h4 43.Rh8 Kh8 44.Bf6#) 1–0. Kaenel,Hansjuerg (2355) – Gutman (2475), Biel, 1997. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 c6 6.d4 d6)

8.b5 cb5 9.Nb5 (9.cb5 Bf5= 10.Rc1 d5 11.Be2 Qd6 12.Qa4+=) 9...Nc6 10.Be2 Bf5 11.0-0 Rc8 12.d5+=.

8.b5 Nbd7 9.a4 Re8 10.Be2 Qc7 11.0-0 e5 12.Rc1 h6 13.Qb3 g5 (13...ed4 14.ed4 c5 15.Rfe1+=) 14.Rfe1 Nf8 (14...g4 15.Nh4+=) 15.c5+/- e4 (15...ed4 16.cd6 Qd6 17.Ba3+/-) 16.cd6 Qd6 17.Nd2 (17.Ba3 Qb8 18.Nd2 Bf5+/-) 17...Be6 18.Qa3 Qd7 (better 18...Qa3!? 19.Ba3 Bd7+/-) 19.bc6 bc6 20.Nde4 Ne4 21.Ne4 Bd5 22.Nc5 Qe7 (22...Qd8 23.Bd3+-) 23.Qd3 (23.e4 Be6+-) 23...Ng6 (better 23...Ne6+-) 24.f3?? (better 24.Qc3+-) 24...Qe3= 25.Qe3 Re3 26.Kf2 Ree8 27.g3 Rab8 28.Bc3 Nf8 29.Bd3 Ne6 The isolani on d4 becomes a target (29...Re1 30.Re1 Ne6 31.Ne6 fe6 32.Ke3=+) 30.Ne6= Re6 31.Re6 (worse 31.Ba5 Bd4 32.Kf1 Ra8 33.Re6 fe6-/+ (33...Be6?! 34.Bd2=+)) 31...fe6 32.Ke3 (worse 32.Ba5 Bd4 33.Ke2 Ra8-/+) 32...Rb3 33.Ba5 Ra3 34.Bb6 Ra4 35.Bc5 (35.f4 g4=) 35...Ra2 (35...e5 36.de5 Be5 37.Rb1=) 36.h4 Rg2 37.hg5 (37.Bd6 Bf6 38.h5 g4=) 37...hg5 (37...Rg3 38.Be4=+) 38.g4 (38.Bd6 g4 39.Be4 Be4 40.Ke4 Re2 41.Kd3 gf3=+) 38...Rg3 (38...e5!?=) 39.Be4+= Kf7 (39...Rg2 40.Rb1 Bc4 41.Rb8 Kf7 42.Bd3 Bd3 43.Kd3+/-) 40.Rb1+/- Rg2? (better 40...e5+/-) 41.Rb7 Kf6?? (41...Kg8 42.Rb8 Kf7 43.Bh7+-) 42.Be7 (better 42.Bd3 Rg3 43.Be7 Kf7 44.Bd6 Kg8 45.Rb8 Kf7 46.Bg3+-) 42...Kf7 43.Bg5 Kg8 44.Bg6?? (better 44.Rb8 Kf7 45.Bh7+-) 44...Bf8?? (better 44...Bd4 45.Kd3 c5 (45...Bf3? 46.Bh6 Be5 47.Rd7+-) 46.Rb8 Kg7=) 45.Bh7 Kh8 46.Bf6 Bg7 47.Rg7 (47.Bg7?! Kh7 48.Be5 Kh6+-) 47…Bc4 (47...Re2 48.Ke2 Bc4 49.Ke3 c5 50.Rb7) 1-0. Osmak,Iulija (2425) - Gevorgyan,M (2215), Women's Speed Chess Q4 KO, 2021.

8.b5 Nbd7 9.Bd3 c5 10.0-0 Qc7 11.Re1 Nb6 12.Na4+=.

8.b5 Bf5 9.Bd3 Bd3 10.Qd3 cb5 11.Nb5 Nc6 12.e4+=.

7.Nc3 d5

8.a4 Qb6 9.Ba3 Re8 10.Be2 Nbd7 11.0-0 Nf8 12.Qb3 Be6 13.c5 Qc7 14.b5 Reb8 15.Bb4 Ne4 16.a5 g5 17.Qa4 g4 18.b6 Qc8 19.Ne5 Ng5 20.a6 Be5 21.de5 ab6?? (better is 21...Ng6+=) 22.a7+– (22.cb6?! Qd8 23.a7 Rc8+–) 22...Ng6 23.ab8Q Rb8 24.cb6 c5 25.Ba5 Ne5 26.f4 (26.Qf4!? f6+–) 26...gf3 27.Bf3 (27.gf3 Nh3 28.Kg2 Ra8+–) 27...Nef3 28.gf3 (28.Rf3?! Nf3 29.gf3 Ra8+–) 28...c4 29.Qd1 Qc5 30.Qd4 Qc6 (30...Qd4 31.ed4 Nh3 32.Kg2 Nf4 33.Kf2 Nd3 34.Ke3 Kg7+–) 31.Qe5 (31.Qe5 Re8 32.Qg5 Kh8 33.Qe5 f6 34.Qc7+–) 1–0. Libuda,Thomas (2025) – Werner,Alexander (1730), Hessen–chB Marburg, 2006. (=1.d4 Nf6 2.Nf3 d6 3.e3 g6 4.c4 Bg7 5.b4 0-0 6.Bb2 c6)

8.a4 Be6 9.c5 Qc7 (9...Ne4 10.Qc2=) 10.Be2 (10.Bd3 Na6 11.Qb3 Ne4+=) 10...Nbd7 (10...Bf5 11.Nh4 Be6 12.0-0=) 11.b5 (11.Ng5!?+=) 11...Ne4+= 12.a5? (12.Qc2!?+=) 12...Nc3 (12...Ndc5 13.Rc1 Nc3 14.Bc3–/+) 13.Bc3–/+ Nc5! 14.bc6 (14.dc5 Bc3 Double attack (14...Bc3 Pinning; 14...Bc3 Deflection)) 14...bc6 (14...Ne4 15.Bb4 bc6 16.Nd2–+) 15.0-0 (15.Ng5 Rab8–/+) 15...Ne4–+ 16.Bb4 c5 (16...Rab8 17.Qe1–+) 17.dc5? (better is 17.Bc5!? Nc5 18.Rc1+=) 17...Ba1 (17...Rab8 18.Qa4 Ba1 19.Ra1–+) 18.Qa1 Rab8 (18...Nc5 19.Qc3 Rfc8 20.Rc1+=) 19.Qa3 Rb4! 20.Qb4 Qc5 (worse is 20...Nc5 21.Rc1 Rc8 22.Nd4+=) 21.Qc5 Nc5 22.Nd4 Bd7 23.a6 (23.Rc1 Rc8–/+) 23...e5–+ 24.Nf3 f6 25.Rd1 Be6 26.Rb1 Rd8 27.Rc1 Rc8 28.Rb1 Rc7 29.h3 (29.g3 Bh3–+) 29...Kf7 30.g4 Bc8 31.Rd1 (31.Ra1 Ne4–+) 31...Ke6 32.g5 (32.Ra1 Rc6–+) 32...f5 (32...Ne4 33.Bd3–+) 33.h4 (33.Ra1 Ne4–+) 33...Ba6 34.Ba6 Na6 35.Kg2 Nb4 36.h5 gh5 37.Rh1 a5 38.Rh5 Rg7?? (better is 38...Kd6 39.Rh6 Kc5 40.Ne5 a4–+) 39.Rh6+= Ke7 40.Ne5 Rg5 41.Kf3 Rg7 42.Kf4 Kd8 43.Kf5 Ra7 44.Nc6? (better is 44.Rh4 Re7 45.Kf6+=) 44...Nc6–+ 45.Rc6 Rf7?? (better is 45...a4 46.Rc2 a3–+) 46.Ke5= Rf2 47.Ra6 Re2 48.Kd6 (48.Ra5 Re3 49.Kd5 Rd3 50.Ke4 Rb3=) 48...Kc8 (48...Ke8!?+=) 49.Ra5= Re3 50.Rd5 Rh3 51.Rf5 Rh6 52.Ke5 Kd7 53.Rf7 Ke8 54.Ra7 Kf8 55.Kf5 Rh1 56.Kg5 Kg8 57.Kf6 h5 58.Kg6 Kf8 59.Kg5 h4 60.Kg4 Kg8 61.Ra3 ½–½. Morriss,Pete (2030) – Belokopyt,Boris (1940), Katerini GRE, World Seniors Ch, 2014.

7.Nc3 Re8

8.Be2 Bg4 9.0-0 Nbd7 10.h3 Bf3 11.Bf3 e5 12.de5 Ne5 13.Be2 Nfd7 14.Qc2 Qh4 15.f4 Bh6 16.Ne4 d5 17.cd5 cd5 18.Nc5 Nc5 19.Qc5 Nc4 20.Bc4 dc4 21.Qc4 Re3 22.Qd4 f6 23.Qe3 Kf7 24.Rac1 Re8 25.Rc7 Kg8 26.Qe8 1–0. barborski – lucasmoura, kurnik, 2012.

8.Be2 Bg4 9.0-0 Nbd7 10.h3 Bf3 11.Bf3 e5 12.de5 Ne5 13.Be2 Qe7 14.Qc2 Rad8 15.Rad1 Nh5 16.a3 Qg5 17.Ne4 Qh4 18.f4 Nd7 19.Rd6 Ng3 20.Ng3 Qg3 21.Bf3 Nf6 22.Rf6 Bf6 23.Bf6 Rc8 24.c5 Re3 25.Qd2 Rce8 26.Be5 Ra3 27.Bb2 Rae3 28.Qd4 Kf8 29.Qg7 Ke7 30.Bf6 Kd7 31.Qf7 Kc8 32.Bg4 Kb8 33.Be5 R8e5 34.fe5 Qe5 35.Qf8 Kc7 36.Rf7 1–0. barborski – lucasmoura, kurnik, 2012.

7.Nc3 Bf5

8.Bd3 A) 8...a5 9.Bf5 (9.b5 Bd3 10.Qd3 cb5 11.cb5 Nbd7 12.Rc1 Rc8 13.0-0 Nb6 14.Rc2) 9...ab4 10.Bd3 bc3 11.Bc3 Nbd7 12.Qb1 e5 13.0-0 Re8 14.Bc2; B) 8...Qd7 9.h4 (9.0-0 Na6 10.a3 Bd3 11.Qd3 Nc7 12.h3 a5 13.Rfd1 Rfe8 14.Re1; 9.a3 Bd3 10.Qd3 Na6 11.0-0 Nc7 12.Rfe1 a5 13.h3 Rfd8 14.Rec1; 9.h3 Bd3 10.Qd3 Na6 11.a3 Nc7 12.0-0 a5 13.Rfd1 Rfd8 14.Rdc1; 9.e4 Bg4 10.h3 Bf3 11.Qf3 c5 12.bc5 Nc6 13.Qe3 dc5 14.d5) 9...Na6 10.a3 Nc7 11.0-0 Bg4 12.Be2 a5 13.Na4 Qf5 14.Nb6; C) 8...Bd3 9.Qd3 Na6 10.a3 Nc7 11.0-0 Qd7 12.h3 a5 13.Rfe1 Rfe8 14.Rec1.

8.Be2 a5 9.b5 cb5 10.Nb5 Nc6 11.0-0 d5 12.Rc1 Ne4 13.Nd2 Nd2 14.Qd2.

8.Be2 Na6 9.Qb3 Qd7 10.0-0 Nc7 11.h3 b5 12.cb5 Nb5 13.Nb5 cb5 14.Rac1.

8.Be2 Qb6 9.Qb3 (9.a3 Nbd7 10.Nh4 Be6 11.d5 Bf5 12.Nf5 gf5 13.dc6 bc6 14.0-0) 9...a5 10.b5 cb5 11.Na4 Qa7 12.Qb5 Bd7 13.Qb3 Nc6 14.0-0.

8.Be2 c5 9.bc5 dc5 10.Qb3= (10.0-0 Nc6 11.d5 Nb4 12.Qd2 Qa5 13.a3 Na6 14.Ra2) 10...Nc6 11.d5 Nb4 12.0-0 Bc2 13.Qa3 e6 14.Rac1.

8.Be2 Nbd7 9.0-0 (9.a3 a5 10.0-0 Qc7 11.Qb3 Nb6 12.d5 Ne4 13.Ne4 Bb2 14.Qb2) 9...Nb6 10.Qb3 a5 11.b5 a4 12.Qa3 Qc7 13.h3 c5 14.d5.

8.Be2 Ne4 9.0-0 Nc3 10.Bc3 Qc7 11.a4=.

8.Be2 Ne4 9.0-0 Nc3 10.Bc3 Nd7 11.Bd3 Bd3 12.Qd3 d5 13.e4 Nf6 14.Nd2.

8.Be2 Ne4 9.0-0 Re8 10.Qb3 (10.Ne4 Be4 11.Nd2 Bf5=) 10...Nc3= 11.Bc3 e5 (11...Nd7 12.a4=) 12.de5 de5 13.Qb2 Qc7 14.Nd2 Nd7 (14...f6 15.h3+=) 15.f4 (15.e4 Be6 16.f4 b5=) 15...h5 (15...Bh6 16.g4 Bg4 17.Bg4 ef4 18.Bd7 Qd7 19.e4= (19.ef4 Qg4 20.Kh1 Re2 21.Rf2 Rf2 22.Rg1 Qh3 23.Rg6 hg6 24.Ne4 Qh2)) 16.h3 (16.e4 Nb6 17.a4+– (17.ef5?! Na4 18.Qb3 Nc3 19.Qc3 ef4=)) 16...Bh6 17.g4 (better is 17.c5!?+=) 17...hg4 (17...ef4 18.gf5 fe3 19.Nf3 Qg3 20.Kh1=) 18.hg4 ef4 19.Kg2?? (19.gf5 fe3 20.Nf3 Qg3 21.Kh1–+) 19...Re3 (19...fe3 20.gf5 ed2 21.Bf3–+) 20.Bf3 (20.Rf2 Rc3! 21.Qc3–+) 20...Bg4! 21.Rh1 Rc3! 22.Rh6 Qe5 23.Rah1 Bh5! 24.Qb1 Qg5 (24...Qg5 25.Kf1 Qh6 26.Bh5 gh5 27.Rg1 Rg3–+; 24...Bf3 25.Nf3 Qe2 26.Kg1 Qe3 27.Kf1 Qf3 28.Kg1 Qg3 29.Kf1 Rf3 30.Ke2 Rf2 31.Kd1 Qf3 32.Kc1 Qc3 33.Kd1 Qd2) 0–1. Hillebrand,Carsten (1960) – Weber,Olaf (1790), Troisdorf op, 2001. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6)

8.Be2 Ne4 9.Ne4 Be4 10.0-0 c5 11.b5 Nd7 12.Ng5 cd4 13.Bd4 (13.Ne4 d3 14.Bg7 de2 15.Qe2 Kg7=) 13...Bg2= 14.Kg2 e5 15.Nh3 (15.Nh7!? Kh7 16.Bb2=) 15...ed4=+ 16.ed4 Qh4 17.f4 Rac8 18.Qd3 Rfe8 19.Bf3 Rc7 20.Rad1 (20.Rac1 Nf8 21.d5 Nd7=+) 20...Nf6 (20...Nb6 21.Rc1-/+) 21.Rf2 (21.f5!?=+) 21...Ng4 22.Re2 Re2 23.Be2 Re7 24.Bg4 Qg4 25.Kh1 Re3! 26.Qe3 Qd1 27.Kg2 Bd4 28.Qe8 Kg7 29.Qd7?? (29.Qe4-+) 29...Qe2 30.Kg3 h5 31.Ng5 (31.a3 g5 32.Ng1 Bg1 33.Qf7 Kf7 34.fg5 Qg4) 31...Bf2 32.Kh3 (32.Kg2 Be1 33.Kg1 Qf2 34.Kh1 Qf1) 32…Qf1 0-1. Rooze,J (2310) - Hess,C1 (2225), Larsen Memorial, 2018. (=1.Nf3 (E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3) 1...Nf6 2.c4 c6 3.e3 g6 4.b4 Bg7 5.Bb2 0-0 6.d4 d6)

8.Be2 Ne4 9.Ne4+= Be4 10.0-0 (10.Ng5 Bf5+= 11.e4 Bd7 12.0-0 Na6 13.Qd2 h6 14.Nf3) 10...Bf3 (10...d5 11.Nd2+= (11.Ng5 Bf5 12.Qb3 e6 13.h4 h6 14.Nf3) 11...Bf5 12.Qb3 Na6 13.Bf3 Be6 14.a4; 10...Bf5 11.Ng5 d5 12.Qb3 e6 13.h4 h6 14.Nf3) 11.Bf3 (worse is 11.gf3 e5= 12.Qd2 Nd7 13.de5 Be5 14.f4) 11...Nd7 12.Qb3 (12.g3 Nf6 13.Qd3 Qd7 14.Rac1) 12...Qc7 (12...Qb6 13.Bc3 Bf6 14.g3) 13.Rab1 (13.g3 Bf6 14.Rac1) 13...e5 (13...Rfe8 14.Qd3) 14.Rfc1 (14.d5+/-) 14...Rfe8 15.b5 e4 16.Be2 c5 17.Rd1 a5 18.a4 Rac8 19.Rbc1 h5 (19...h6 20.Rc2+=) 20.Bc3 cd4 21.ed4 b6 (21...Bh6 22.Bd2 Bd2 23.Rd2+=) 22.Bb2 Bh6 23.Rc3 Qd8 24.Qa3 Bf8 25.Qb3 Bg7 (25...Bh6!?=) 26.Ba3 (26.Rc2 Qg5+/-) 26...Qf6 27.Rcc1 (27.Re3 Bh6 28.Rh3 d5+=) 27...Bh6= 28.Rc3 Qe6 (28...Bg7!?=) 29.Bc1+= Bc1 30.Rdc1 Qf6 31.Qd1 Qf4 32.Bf3?? (32.Re3 Nf6+=) 32...e3?? (32...ef3 33.Rf3 Qh6 34.Rcc3–+) 33.Rd3?? (better is 33.R1c2+/-) 33...Nf8?? 34.Rcc3?? Ne6?? 35.g3 Qg5? 36.Kf1 h4 37.Qe1 Qf6 38.Qd1 Kg7 39.d5 Ng5 40.Re3 hg3 41.hg3 Ne4 42.Ra3 Ng3?? 43.Kg2?? Nf5+= 44.Re4? Qg5 (44...Qg5 45.Rg4 Qh5+=) 0–1. Majeric,Z (2380) – Armanda,I (2340), Open A, Djakovo CRO, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Nc3 Bf5)

7.Nbd2 a5

8.a3 Bd7 9.Be2 ab4 10.ab4 Ra1 11.Qa1 Qb6 12.Bc3 Na6 13.0-0 Ra8 (13...Nb4? 14.Bb4 c5 15.Bc3+–) 14.c5 Qd8 15.cd6 ed6 16.e4 (16.Qb2 Nd5=) 16...Qe8 17.Bc4 (better is 17.Qb1!?=) 17...d5–/+ (17...Ne4?! 18.Ne4 d5 19.Re1+=) 18.Ba2 Ne4 19.Re1 f5 20.Ng5 Qd8 21.Nge4 fe4 22.Ne4 Kh8 23.Nd6 Qf8 24.Nb7 Nb4 25.Re2 Na2 26.Ra2 Ra2 27.Qa2 Qb8 28.Nc5 Bf5 29.f3 Bf8 30.g4 Bc8 31.Qe2 Qf4 32.Qe8 Kg7 33.Qc6 Qc1 34.Kg2 Bg4? 35.fg4= Qc2 36.Kg3 Qc3 37.Kg2 Qd2 38.Kf1?? Qf4 39.Ke2? Qg4–+ 40.Kd3 Qf3 41.Kc2 Qe2–+ 42.Kb3?? Qc4 43.Ka3 Qd4 44.Qd7 Kh8 0–1. Krupa,Krzysztof – Lilja,Richard (2120), Copenhagen OBRO, 1993. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 d6 5.d4 0-0 6.c4)

8.ba5 Qa5 9.Bd3 Na6 10.0-0 Nd7 11.Qb3 Ndc5 (better is 11...e5!?+=) 12.dc5+/- Nc5 13.Bg7 Nb3 14.ab3 (14.Nb3!? Qh5 15.Bf8 Kf8 16.Rfb1+/-) 14...Kg7+= 15.Ra5 Ra5 16.Bb1 c5 17.e4 f6 18.Bd3 Bd7 19.b4 Ra3 20.Bc2 (20.Be2 cb4 21.Rb1 Bc6=) 20...b6 (20...cb4!? 21.Rb1 Ba4 22.Ba4 Ra4=) 21.bc5 bc5 22.Rb1 Rfa8 23.Ne1 Ra1 24.Kf1 Rb1 25.Bb1 Be6 26.Ke2 Ra3 27.Nc2 Ra4 Attacking the isolated pawn on c4 28.Ne3 Ra3 29.f4 Bd7 30.e5 f5 31.ed6 ed6 32.Bd3 Bc6 33.h3 h5 34.Bc2 Kf7 35.g4 fg4 36.hg4 hg4 37.Ng4 Rg3 38.Ne3 Rh3 39.Ne4 Rh2 40.Kd3 Ke7 41.Bd1 Be4 42.Ke4 Rd2 43.Kf3 Kf6 44.Kg4 Rd4 45.Nd5 Kf7 46.Be2 Kg7 47.Kf3 Rd2 48.Nc3 Rb2 49.Ne4 (49.Nb5 Rb3 50.Ke4 Kf7+–) 49...Rb6+/- 50.Bd3 Kf7 51.Ke3 Ra6 52.Nc3 Rb6 53.Nb5 Kf6 54.Ke4 Ke6 55.Be2 Rb8 (55...Ke7 56.Nc3 Kf7 57.Kd3+/-) 56.Bg4+– Ke7 57.Be2 Rf8 (57...Ke6 58.Nc7 Kf7+/-) 58.Bd3 Rf6 59.Nc7 Kd7 60.Nd5 Rf7 61.Kf3 Rg7 62.Kg4 Ke6 63.Kg5 Kf7 64.Nf6 Ke6 65.Bg6 Ra7 66.Bf5 (66.f5 Ke7+–) 66...Kf7 67.Be4 Ra1 68.Bd5 Ke7 69.Ng4 Rg1 70.f5 Rg3 71.f6 Kf8 (71...Ke8 72.Kf5+–) 72.Kf4 Rg1 73.Ne3 Re1 74.Be6 Re2 75.Kf3 Re1 76.Kf2 (76.Kf2 Rh1 77.Nf5+–) 1–0. Kurajica,Bojan – Popovic,Zoran, 45th International Chess Tournament Bos, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Nbd2 a5)

8.b5 cb5 9.cb5 a4 10.Bd3 a3 11.Bc3 Be6 12.0-0 Nd5 13.Nb1+=.

8.b5 cb5 9.cb5 Bf5 10.Be2 Qb6 11.Qa4 Rc8 12.0-0=.

8.b5 Bf5 9.Rc1 c5 (9...a4 10.Be2 a3 11.Bc3 Qd7 12.0-0 c5 13.h3+=; 9...Nbd7 10.h3 a4 11.g4 Be6 12.Ng5 d5 13.Ne6+=; 9...h6 10.Be2 a4 11.a3 cb5 12.cb5 Qb6 13.d5+=) 10.Be2 a4 11.a3 Qb6 12.0-0 Rc8 13.Nh4+=.

8.b5 Bf5 9.Be2= a4 10.0-0 Qb6 11.Nh4 Bd7 12.bc6 Nc6 13.Rb1+=.

8.b5 Bf5 9.Be2 a4 10.Rc1 Qd7 11.0-0 Rc8 12.a3=.

8.b5 Nh5 9.Be2 (9.Bd3 Nd7 (9...c5 10.0-0 cd4 11.Bd4 e5 12.Bc3 f5 13.Be2+=; 9...Qc7 10.Rb1 Nf6 11.0-0 c5 12.dc5 dc5 13.Ne4+=) 10.0-0 c5 11.Ne4 Qc7 12.Qd2 Nhf6 13.Nf6+=) 9...f5 (9...Nf6 10.0-0+= Bf5 11.Nh4 Bd7 12.Qa4 d5 13.Nhf3+=; 9...c5 10.0-0 cd4 11.Bd4 Nf6 12.Qc2 Nbd7 13.Rfd1+=; 9...Qc7 10.0-0 c5 11.Ne4 Nd7 12.Nc3 Nhf6 13.Qd3+=; 9...Nd7 10.g4 Nhf6 11.g5 Nh5 12.Ng1 e5 13.Bh5+=) 10.Qb3 (10.0-0 a4 11.a3 c5 12.Rb1 Nf6 13.Qc2+/-) 10...e6 (10...a4 11.Qa3 cb5 12.cb5 Nf6 13.0-0+=) 11.0-0 c5 (11...a4 12.Qa3+= Nf6 13.Rfd1+/-) 12.dc5+/- Bb2 (12...dc5 13.Rfd1+/-) 13.Qb2 dc5 14.Rfd1 Qe7 15.Ne5 Nd7 (15...Nf6 16.Ndf3+/-) 16.Bh5+– ½–½. Schmidbauer,Josef – Weidl,T, Niederbayern–ch, 2002.

7.Nbd2 Na6

8.a3 Nc7 9.Be2 d5 10.0-0 dc4 (10...Bf5 11.Rc1=) 11.Bc4 Be6 12.Bd3 Rc8 (12...a5 13.e4=) 13.Nb3 (13.Ng5 Bd7=) 13...Bb3 (13...Bd5 14.Re1=) 14.Qb3+= White has the pair of bishops 14...Nd7 15.Rac1 Nb6 16.Kh1 Qd5 ½–½. Sanavio,Giancarlo – Vecchia,Mario, Crema op 2nd, 2000. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6)

8.Qb3 c5 9.b5 Nb8 10.Bd3 cd4 11.ed4 Re8 12.0-0+=.

8.Qb3 d5 9.cd5 cd5 10.Bd3 Bf5 11.Bf5 gf5 12.b5+=.

8.b5 cb5 9.cb5 Nc7 10.Bd3 a6 11.ba6 b6 12.0-0=.

7.Nbd2 Qc7

8.Bd3 c5=.

8.Be2 c5 9.a3=.

8.Be2 Nbd7 9.0-0 e5 (9...c5 10.Qb3+=) 10.de5 (10.Qc2 ed4 11.Nd4 Re8+=) 10...de5= 11.c5 (11.e4 Rd8=) 11...b6 (11...a5 12.a3=) 12.cb6 (12.e4 bc5 13.bc5 Nh5=) 12...ab6 13.Qb3 Bb7 (13...Ba6 14.Ba6 Ra6 15.Rfc1=) 14.Rfd1 h6 (14...c5 15.Bc4=) 15.Rac1 (15.a4 e4 16.Nh4 Kh7+=) 15...c5 (15...e4 16.Nh4 Kh7 17.f3+=) 16.Bc4 (16.a4 e4 17.Nd4 Bd5=) 16...Bc6 (16...e4 17.Ne1=) 17.b5+= Bb7 (better is 17...Bf3!? 18.gf3 Rad8+=) 18.Nh4+– Kh7 (18...Nb8 19.Ng6 Re8 20.Qc2+–) 19.Bf7 g5 20.Bg6 (20.Nf5 g4+–) 20...Kh8 21.Nf5 Rad8 (21...Bd5 22.Nc4+–) 22.Qc2 (22.Qe6 Bd5 23.Qe7 Rg8+–) 22...Bd5 23.a3 Nb8 (23...g4 24.e4 Bb7 25.Ng7 Kg7 26.Bf5+–) 24.e4 Bf7 (24...Bb7 25.Ng7 Kg7 26.Bf5+–) 25.Bf7 Rf7 26.Nc4 Nbd7 (26...Rd1 27.Rd1 Nbd7 28.Rd6+–) 27.Rd6 (27.Be5 Ne5 28.Rd8 Qd8 29.Ne5 Rc7+–) 27...Bf8 28.Rd2 (better is 28.Re6 Qa7 29.Ne5 Ne5 30.Be5+–) 28...Ne8?? (28...Ra8+–) 29.Rcd1 (29.Rd7 Qd7 30.Ne5 Kg8 31.Nd7 Rfd7+–) 29...Rb8 (29...Rf5 30.ef5 Bg7+–) 30.Rd7! Rd7 (30...Qd7 31.Rd7) 31.Be5 Qe5 (31...Bg7 32.Bc7 Rc7 33.e5+–) 32.Ne5 (32.Ne5 Rd1 33.Qd1+–) 1–0. Kliman,Daniel – Granara Barreto,Sebastian A, URU–ch sf–C Montevideo, 2003.

8.Be2 Nbd7 9.Rc1 a6 10.a4 b6 11.Qb3 Bb7 12.0-0 c5 13.dc5 dc5 14.b5 ab5 15.ab5 Ra7 16.Ra1 Rfa8 17.Ra7 Ra7 18.Ra1 Bf3 19.Bf3 Ra1 20.Ba1 Ne5 21.g3 Nfd7 22.Bg2 Qd6 23.Ne4 Qd3 24.Qa2 Qc4 25.Qa8 Bf8 26.Ng5 Qb5 27.Bc6 Qb1 28.Kg2 h6 29.Bd7 Nd7 30.Nf3 Nf6 31.Ne5 Qe4 32.Kg1 Qa8 0–1. barborski – jardaz, kurnik, 2012.

8.Be2 Nbd7 9.Qc2 a6 10.0-0 b6 11.Rac1 Bb7 12.Rfe1 c5 13.dc5 dc5 14.b5 ab5 15.cb5 Ra2 16.Qb3 Ra3 17.Ba3 Ra8 18.Bb2 Ng4 19.Bg7 Kg7 20.h3 Bf3 21.Nf3 Nge5 22.Qb2 f6 23.Red1 Ra5 24.Ra1 Qa7 25.Ra5 Qa5 26.Ne5 Ne5 27.f4 Nf7 28.Rd7 Qe1 29.Kh2 g5 30.fg5 Ng5 31.Re7 Kg6 32.Bd3 f5 33.Rg7 Kh5 34.Qe2 Qe2 35.Be2 Kh6 36.Rg5 Kg5 37.Kg3 Kf6 38.Kf4 h6 39.Bc4 h5 40.h4 Kg6 41.Ke5 f4 42.ef4 1–0. barborski – jardaz, kurnik, 2012.

8.Be2 e5 9.de5+/- de5 10.Be5 Qb6 11.Bc3 Rd8 12.Qb3 Be6 13.Qb2 Ne8 14.Bg7 Ng7 15.c5 Qc7 16.Ne4 Ne8 17.0-0 Nd7 18.Rad1 a5 19.a3 ab4 20.ab4 (20.Qb4!? Qa5 21.Neg5 Qc5 22.Qh4+=) 20...Ra2+= 21.Qd4 (better 21.Qb1!? Re2 22.Nd4+=) 21...Re2=+ 22.Nfg5 Ra2?? (better 22...Bb3 23.Rd3 h6 24.Rb3 hg5-/+) 23.Ne6+- fe6 24.Qc4 (better 24.Ng5 Ng7 25.Qg7 Kg7 26.Ne6 Kf6 27.Nc7+-) 24...Raa8+= 25.Qe6 Kf8 26.Rd4 (better 26.f4 Ng7 27.Qh3+/-) 26...Qe5-/+ 27.Qh3 Ndf6 28.Qh6 Kg8 29.Nd6? (better 29.Rd8 Rd8 30.Ng5-/+) 29…Nd6-+ (29...Nd6 30.cd6 Rd6-+) 0-1. bjoernsen (2450) - gmftorres1 (2540), Rated blitz game, lichess.org, 2021.

7.Nbd2 d5

8.Qb3 e6 9.Be2 a5 10.b5 dc4 11.Bc4 cb5 12.Bb5 Nc6 13.a4 Nb4 14.0-0 b6 15.Ba3 Bb7 16.Bb4 ab4 17.Qb4 Nd5 18.Qb2 Qe7 19.Rfc1 Rac8 20.g3 Nb4 21.e4 Rc1 22.Rc1 Rc8 23.Rc8 Bc8 24.Nc4 Nd3 25.Qc3 Nf2 26.Kf2 h5 27.Nce5 Bb7 28.Bc6 Ba6 29.Kg2 g5 30.Qe3 f6 31.Ng6 Qf7 32.Ngh4 gh4 33.Nh4 Qc7 34.d5 Qd6 35.Qb6 Bd3 36.Kf3 ed5 37.Bd5 Qd5 38.ed5 Kh7 39.d6 Bc4 40.d7 Bd5 41.Kf4 Bh6 42.Kf5 Be4 43.Ke4 f5 0–1. barborski – flakpremium, kurnik, 2012.

8.Be2 dc4 (8...a5 9.ba5 Qa5 10.0-0 Nbd7 11.a4 Qc7 12.Qc2+=; 8...Bf5 9.0-0 dc4 10.Nc4 Nd5 11.Qb3 b5 12.Nce5+=) 9.Nc4 b5 10.Nce5 a5 11.a4 ab4 12.ab5+=.

7.Nbd2 Nbd7

8.a3 Qc7 9.Be2 e5 10.de5 de5 11.c5 Re8 12.0-0 Nd5 13.Nc4 f6 14.Nd6 Rd8 15.Bc4 Nf8 16.e4 1–0. slave81 (2050) – tyloo (1945), kurnik, 2012.

8.Qb3 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 c5 12.dc5 dc5 13.b5 b6 14.Be2 Bb7 15.0-0 Qc7 16.Bc3 Ra8 17.Qb2 Ne8 18.h4 Bc3 19.Qc3 Nef6 20.Nh2 Qe5 21.Qc1 Ra2 22.Ng4 Ng4 23.Bg4 Nf6 24.Bf3 Bf3 25.Nf3 Qe4 26.Qd1 Ra8 27.Qe2 Rd8 28.Ra1 Ra8 29.Ra8 Qa8 30.Qd3 Qa1 31.Kh2 Qa8 32.Ne5 h5 33.f4 Qc8 34.g3 Ng4 35.Ng4 Qg4 36.e4 Qe6 37.e5 Kg7 38.Kg2 ½–½. Lumsdon,A (2090) – Chidi,L (1830), 8th Gibtelecom Masters, Caleta ENG, 2010. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 c6 6.c4 0-0 7.Nbd2 Nbd7)

8.Bd3 a5 9.a3 b6= 10.0-0 Bb7 11.Qb3 Qc7 12.h3 c5 13.Bc3 cd4 14.ed4 ab4.

8.Bd3 a5 9.a3 Nb6 10.0-0 Qc7 11.Qc2 h6 12.Bc3 ab4 13.ab4 Be6 14.Qb3 Rfe8.

8.Bd3 a5 9.a3 Qc7 10.0-0 b6 11.Qb3 Bb7 12.h3 c5 13.Rfe1 Bc6 14.b5 a4.

8.Be2 a5 9.a3= Nb6 10.0-0 Bf5 11.Qb3 Qc7 12.h3 Rfe8 13.Ng5 h6 14.Ngf3 Ra7.

8.Be2 a5 9.a3 c5 10.b5 b6 11.0-0 Bb7 12.d5 Re8 13.Re1 e6 14.e4 ed5 15.ed5 Re7 16.Bd3 Qf8 17.Qc2 Re1 18.Re1 Re8 19.Re8 Qe8 20.Kf1 Bc8 21.Ne4 Ne4= 22.Bg7 Nf2 23.Bb2 Nd3 24.Qd3 h5 25.Kf2 f6 26.Bc1 Ne5 27.Ne5 fe5 28.h3 Bf5 29.Qg3 Qf7 30.Ke2 Kf8 31.Qg5 Ke8 32.Qh6 Bb1 33.Bg5 Ba2 34.Qh8 Qf8 35.Qf8 Kf8 36.Kd3 Ke8 37.Kc3 Bb1 38.Kd2 Be4 39.g3 Bg2 40.h4 Bf1 41.Kc3 e4 42.Bf4 Kf7?? 43.Bg5 a4+= 44.Bd8 e3 45.Bb6 e2 46.Kd2 e1Q 47.Ke1 Bc4 48.Bc7 Ke7 49.b6 Bd5 50.Kd2 Ke6 51.Kd3 Ke5 52.Ke3 Bb7 53.Kd3 Kd5 54.Kc2 Kc6 55.Kc3 d5 56.Bd8 d4 57.Kc2 c4 58.Bf6 d3 59.Kc3 Ba6?? 60.Bd4–/+ Kd5 61.Be3 Ke4 62.Bf4 Kf3 63.Kd2 ½–½. Fournier,Frederic – Capron,Nicolas, Grand Prix Oise (Senlis–Maignelay), 1999.

8.Be2 Nb6 9.0-0 a5 (9...Bf5 10.Qb3 Qc7 11.h3 a5 12.a3 Rfe8 13.Ng5 h6 14.Ngf3 Ra7) 10.a3 Bf5 11.Qb3 Re8 12.h3 Qc7 13.Ng5 h6 14.Ngf3 Ra7.

8.Be2 Qc7 9.0-0 a5= 10.a3 ab4 11.ab4 Ra1 12.Qa1 b6 13.Qa4 Bb7 14.Ra1 Ra8.

8.Be2 Qc7 9.0-0 e5 10.de5 de5 11.Rc1 e4 12.Nd4 Nb6 (12...a5 13.ba5 Qa5 14.Qc2=) 13.c5 Nbd5 14.a3 Re8 15.Nc4 Bf8 16.Qc2 Nd7 17.Nd6 Bd6 18.cd6 Qd6 19.Nb3 f5 20.Bc4 N7b6? (20...Ne5 21.Qc3=) 21.Be2?? (better is 21.Qc3! Qe7 22.Qh8 Kf7 23.Qh7 Ke6 24.Qg6 Kd7 25.Nd4 Nc4 26.Rc4+–) 21...Qf8 22.Rfd1 Be6 23.Nd4 Bf7 24.b5 Rac8 25.bc6+= bc6 26.a4 Red8 27.a5 Nd7 28.Nc6 Re8? 29.Qa4+– Nc5?? 30.Ba3 Na4–+ 31.Bf8 Kf8 32.Na7 Rc1 33.Rc1 Ndc3 34.Bf1 Rd8 35.Nc6 Rd6 36.Nd4 Ra6?? 37.Ba6+– Ke7 38.Bf1 Bd5 39.a6 Kd6 40.a7 Kc5 41.Nb3! Kb6 42.Ra1 Ka7 43.Nc5 Kb6? 44.Na4 Na4 45.Ra4 Kc5 46.Ra7 h5 47.Rg7 g5 48.Rg5 Be6 49.Rh5 1–0. winelight (1700) – poganinbezdom, kurnik, 2012. (=1.d4 g6 2.e3 Bg7 3.c4 Nf6 4.Nf3 0-0 5.b4 d6 6.Bb2)

8.Be2 Qc7 9.0-0 e5 10.de5 de5 11.Qc2 Re8 12.c5 a5 13.a3 ab4 14.ab4 Ra1 15.Ra1 b6 16.Ng5 h6 17.Nge4 Ne4 18.Ne4 Nf6 19.Nd6 Nd5 20.Ne8 Qd8 21.Nd6 Nb4 22.Qc4 Nd5 23.Bf3 Be6 24.Bd5 cd5 25.Qb5 bc5 26.Qc5 Bf8 27.Be5 f6 28.Bg3 h5 29.h4 g5 30.Qc6 gh4 31.Bh2 h3 32.gh3 f5 33.Be5 f4 34.ef4 Bh3 35.Ra8 Qh4 36.Qd5 Kh7 37.Qf7 Bg7 38.Qg7 1–0. barborski – doniar (1730), kurnik, 2012.

8.Be2 Qc7 9.Qb3 a5 10.a3 (10.0-0 Nb6 11.a3 Bf5 12.h3 Rfe8 13.Ng5 h6 14.Ngf3 Ra7) 10...ab4 11.ab4 (11.0-0 ba3 12.Ba3 Ra6 13.c5 b5 14.cd6 ed6) 11...Ra1 12.Ba1 e5 (12...Nb6 13.e4= (13.Bd3 Be6 14.0-0 Ra8) 13...Bd7 14.0-0 Ra8) 13.c5 (13.0-0!?+= Re8 14.c5 ed4; 13.Bb2 Re8 14.0-0 e4) 13...e4= (13...ed4 14.Bd4 Nd5) 14.cd6 Qd6 15.Ne5 Qe7 16.0-0 Nd5 17.Ne4 Ne5 (worse is 17...Be5 18.de5 Ne5 19.Qb2+/-) 18.de5 Be5 19.Be5 Qe5 20.Bf3 Nc7 (20...Be6 21.Qa3=) 21.Nc5 Rd8 22.Rd1 Rd1 23.Qd1 Ne6 (23...Kg7 24.g3=) 24.h4 (24.Ne4 Nc7+=) 24...Kg7 (24...Nc5!? 25.Qd8 Kg7 26.bc5 Be6=) 25.Ne4+= Nc7 26.Nd6 Be6 27.Nb7 Nd5? (27...Bd5 28.Nd8 Qe8 29.Qd4 Kg8 30.Bd5 Nd5 31.e4+/-) 28.Nc5 (better is 28.Nd8 Qb2 29.Ne6 (29.Nc6?! Nb4 30.Nb4 Qb4+/-) 29...fe6 30.Bd5 ed5 31.Qd4 Qd4 32.ed4+–) 28...Nb4? (better is 28...Qc3+/-) 29.Ne6+– fe6 30.Qd7 Kf8?? (30...Kf6 31.Qc8 Qa1 32.Kh2 Qe5 33.g3 Qd6 34.Qh8 Ke7 35.Qh7 Kf6 36.Qh8 Kf7+–) 31.Qc7 (31.Qc7 Qc7 32.g3–+; 31.Qh7?! Qa1 32.Kh2 Qe5 33.g3 Qb2+=). Karasev,V (2375) – Zacurdajev,D (2265), White Nights, St Petersburg RUS, 2007.

7.Nbd2 Bf5

8.Be2 a5 A) 9.a3 A1) 9...ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa5 Qa5 13.ba5 Rb8=; A2) 9...d5 10.cd5 (10.b5 cb5 11.cb5 Nbd7 12.Nh4 Be6 13.Rc1 Rc8=; 10.c5 Na6 11.ba5 Ne4 12.Qc1 Qa5 13.0-0 Nd2=; 10.0-0 ab4 11.ab4 Ra1 12.Qa1 dc4 13.Bc4 Qd6=) 10...cd5 11.b5 Nbd7 12.Nh4 Be6 13.Rc1 Qb6=; A3) 9...Qc7 10.0-0 c5 11.b5 a4 12.Re1 Rc8 13.Rc1 h6+=; A4) 9...Qb6 10.Bc3 ab4 11.ab4 Na6 12.Qb3 c5 13.dc5 dc5+=; A5) 9...Qd7 10.0-0 ab4 11.ab4 Na6 12.Bc3 b5 13.Ra5 Nc7=; B) 9.b5 B1) 9...Qb6 10.a4 (10.Nh4 Bd7 11.bc6 Nc6 12.Rb1 Qc7 13.e4 e5=) 10...c5 11.0-0 h6 12.Qb3 Re8 13.Nh4 Bg4+=; B2) 9...a4 10.Rc1 (10.0-0 Qb6 11.Nh4 Bd7 12.bc6 Nc6 13.Rb1 Qc7+=) 10...Qd7 11.a3 Rc8 12.0-0 cb5 13.cb5 Rc1+=.

8.Be2 Na6 9.Qb3 Nc7 10.a4 Re8 11.0-0 Qd7 12.Rfe1 Rac8 13.Bf1 d5 14.Ne5 Qd8 15.b5 Ne6 16.c5 h5 17.f3 Nd7 18.Nd3 (better is 18.Nd7 Qd7 19.a5+=) 18...Bd3+= 19.Qd3 Ndc5 20.Qa3 Nd7 21.bc6 bc6 22.Nb3 Rb8 23.Rab1 Qc7 24.Rec1 Bh6 25.Rc3 Qd6 26.Rbc1 Rec8 27.Qa2 Qb4 28.Bb5 Be3–/+ 29.Re3 cb5 30.Rc8 Rc8 31.ab5 Qb5 32.Qa7 Rc2 33.Bc1 Nf4 34.Bd2 Ne6 35.Qa8 Kg7 36.Qe8+= Rb2 37.Re6+= Rb1 38.Kf2 Qf1?? 39.Kg3+– Nf6 40.Qe7 Ne4? 41.Re4 de4 42.Nc5 Qc4 43.Bf4 ef3 44.Be5 Kh6 45.Qf8 Kg5 46.Ne4 (46.Ne4 Kf5 47.Nd6 Ke6 48.Qf7#) 1–0. Tologontegin,Semetey (2355) – Davletbakov,Saddam (2230), Bishkek KGZ, Men Ch, 2013. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.Bb2 d6 6.e3 c6 7.Nbd2 Bf5)

8.Be2 Qc7 9.0-0 Rd8 (9...a5 10.a3 Rc8 11.Re1 d5 12.ba5 Qa5 13.Nh4 Bd7+=; 9...c5 10.a3 Rc8 11.d5 Qb6 12.Qb3 Na6 13.b5 Nc7+=) 10.a4 (10.a3 c5+= (10...a5) 11.Nb3 Na6 12.b5 Nb8 13.d5 a6=; 10.Nh4 Bd7 11.a3 c5 12.Nhf3 Na6 13.Qb3 Qb6+=; 10.Re1 c5 11.a3 cd4 12.Nd4 Bd7 13.Rc1 Nc6=; 10.Qa4 c5 11.a3 Nbd7 12.Qb3 Nb6 13.a4 cb4=; 10.Bc3 c5 11.a3 a5 12.ba5 Nc6 13.d5 Na5=; 10.Rc1 c5 11.a3 cb4 12.ab4 a5 13.ba5 Ra5=) 10...c5 11.b5 Ne4 (11...a6 12.Qb3= cd4 13.ed4 Nbd7=) 12.Ne4+= Be4 13.Nd2 Bf5 14.Qb3 (14.a5 cd4 15.Bd4 Nd7+=) 14...e5 (14...cd4 15.Bd4 e5 16.Bb2+=) 15.e4 Bc8 16.de5 de5 17.Rad1 Be6 18.Nf3 Nd7 19.h3 (19.Ng5 Nf8+=) 19...Nf8 20.Rd8 Rd8 21.Rd1 Rd1 22.Qd1 f6 23.Qd2 Bf7 24.g4 (24.a5 Ne6=) 24...Ne6+= 25.g5 f5 (25...Nd4 26.Nd4 ed4 27.Bc1+=) 26.ef5 gf5 27.Nh4 f4 28.Nf5 Ng5 29.Ng7 Kg7 30.Bg4 Kg8 31.Qe2 h5 32.Bf5 e4 33.Be4 Qd7 34.Bg2+= Qf5 35.h4 f3= 36.Qd2? Ne6–+ 37.Bf1 Qg4 38.Kh2 Qh4 39.Bh3?? Nf4 0–1. Hartmann,M – Gal,Jo (2285), HUN–chT, 1993.

8.Be2 Qc7 9.a3 A) 9...Rc8 10.Nh4 (10.0-0 c5 11.Re1 cd4 12.Nd4 Bd7 13.N2b3 Nc6+=; 10.Nb3 Nbd7 11.0-0 Nb6 12.Rc1 Qd7 13.c5 Nbd5=) 10...Bd7 11.Nb3 g5 12.Nf3 g4 13.Nfd2 Na6+=; B) 9...Re8 10.0-0 e5 11.c5 dc5 12.bc5 ed4 13.Nd4 Nbd7+=; C) 9...Na6 10.Qb3 (10.0-0 c5 11.b5 Nb8 12.Nh4 Bd7 13.Qb3 Rc8+=) 10...c5 11.0-0 Rfd8 12.b5 Nb8 13.d5 Re8+=; D) 9...Rd8 10.Bc3 (10.Rc1 c5 11.0-0 a5 12.b5 a4 13.Nh4 Bc8+=; 10.0-0 a5 11.Nh4 Bd7 12.e4 c5 13.b5 cd4=) 10...c5 11.d5 b5 12.Rc1 cb4 13.ab4 bc4+=; E) 9...c5 10.0-0 Rc8 11.d5 Qb6 12.Qb3 a5 13.bc5 Qb3+=; F) 9...a5 10.0-0 (10.Nh4 Bd7 11.0-0 ab4 12.ab4 Ra1 13.Qa1 b5=; 10.Bc3 ab4 11.ab4 Ra1 12.Qa1 b5 13.Qa5 Qc8=) 10...c5 11.b5 a4 12.Nh4 Bd7 13.e4 Rc8+=.

8.Be2 Qc7 9.Nb3 Na6 10.a3 c5 11.b5 Nb8 12.0-0 a6 13.a4 Rc8=.

7.Nbd2 Bg4

8.Qb3 Nbd7 (8...a5 9.ba5 Qa5 10.Bc3 (10.Qb7= Ne4 11.Rd1 e5 12.de5=) 10...Qa3 11.Bd3 c5 12.0-0=; 8...d5 9.Bd3 dc4 10.Bc4 b5 11.Bd3 a5 12.ba5+=) 9.Bd3 Qc7 (9...a5 10.b5 Re8 11.Ng5 a4 12.Qa3=) 10.h3 (10.Ng5 Nb6 11.0-0 d5 12.c5+=) 10...Bf3 11.Nf3 e5 (11...a5 12.a3=) 12.de5 de5 13.e4 c5 14.a3 Nh5 15.g3 Rfe8 (15...f5 16.Ng5 Rae8 17.Rd1=) 16.Qc2 Nf8 17.0-0 Rad8 18.Rfd1 Qc8 19.Bf1 Nd7 20.Ne1 Bf8 21.b5 Ng7 22.Bg2 (22.Nf3!?+=) 22...Ne6= 23.Qa4 (23.Nd3 Nd4 24.Bd4 cd4=) 23...Qc7 (23...Nb6 24.Qa7 Nc4 25.Rd8 Rd8 26.Bc3+=) 24.Qc2 (24.Qb3 Nd4 25.Qe3 Qb6=) 24...Bh6 (24...Nd4 25.Qb1+=) 25.h4 (25.Qc3 Nb6 26.a4 Rd1 27.Rd1 Na4 28.Qe5 Qe5 29.Be5 Nb6=) 25...b6 (25...Nd4 26.Bd4 cd4 27.Nd3+=) 26.a4 Nd4 27.Qb1 Nf8 (27...Rf8 28.Ra3=) 28.Bc3?? (better is 28.Nd3=) 28…Ne2–+ (28...Ne2 29.Kh1 Nc3 30.Rd8 Nb1 (30...Rd8?! 31.Qc2–+) 31.Re8 Nd2–+) 0–1. Hlavinka,Zdenek – Berisha,Fadil, Brno Duras BVK op–A, 2002.

8.Bd3 a5 9.ba5 Qa5 10.0-0 e5 11.Nb3 Qa4 12.h3+=.

8.Bd3 e5 9.a3 a5 10.0-0 ab4 11.ab4 Na6 12.b5+=.

8.Be2 Nbd7 9.h3 Bf3 10.Nf3 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 Qa8 14.0-0 Nb6 15.Bc3 Na4 16.Be1 d5 17.c5 b5 18.cb6 Nb6 19.Qa8 Ra8 (worse 19...Na8 20.Ne5 Rc8 21.Ba6+=) 20.b5 (20.Ne5 Rc8=) 20...cb5 21.Bb5 Ne4 22.Bb4 Rb8 23.Be7?? (better 23.Bd3 e6 24.Be4 de4 25.Bd6=) 23…Nc8-+ 0-1. bjoernsen (2455) - MRMANiA (2500), Rated blitz game, lichess.org, 2021.

7.Bd3 Na6

8.a3 c5 9.b5 Nc7 10.Nc3 cd4 11.ed4 Ne6 12.g3 b6 13.0-0.

8.a3 Nc7 9.Qc2 d5 10.Nbd2 e6 11.0-0 Bd7 12.Rfc1 Rc8 13.Ne5 Be8 14.cd5 ed5 15.a4 Nd7 16.Nef3 Nf6 17.b5 Kh8 18.Ba3 Rg8 19.bc6 bc6 20.Ne5 Ne6 21.Nb3 Bf8 22.Bf8 Rf8 23.Nc5 Kg7 24.Ne6 fe6 25.Bb5! c5 26.dc5 Ne4 27.Nd3 Kg8 28.Qb2 Qc7 29.f3 Nf6 30.Qe5 Qe7 31.Nf4 Bf7 32.c6 Rc7 33.Rc3 Rd8 34.Rd1 Rb8 35.g4 Ne8 36.e4 Rd8 37.ed5 ed5 38.Qe7 Re7 39.Rcd3 Nc7 40.Bc4! a6? 41.Nd5 Bd5 42.Bd5 Kf8 43.Be4 Rd3 44.Rd3 Kf7 45.Rb3 Ke6 46.Kf2 Kd6 47.Ke3 Nd5 48.Kd4 Nc7 49.Kc4 g5 50.Rd3 Ke6 51.Bf5 Kf6 52.Rd6 Ke5 53.Rd7 Kf6 54.Re7 Ke7 55.Bh7 Kd6 56.Be4 Ne6 57.Kc3 Kc5 58.f4! gf4 59.h4 Kd6 60.Kc4 Ke5 61.Bf3 Kd6 62.g5 Ke5 63.h5 Kf5 64.Kd5 Ng5 1–0. Lebed,Petr – Kukushev,Zafir, Kiev Independence Cup op, 1998. (=1.d4 g6 2.Nf3 Bg7 3.c4 Nf6 4.b4 0-0 5.Bb2 d6 6.e3 c6)

8.Qb3 c5 9.bc5 dc5 10.0-0 Nb4 11.Be2 Bf5 12.Nc3 Bc2 13.Qa3.

7.Be2 a5

8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 Ne4 12.Qb3 Be6 13.Nbd2 Nc3 14.Qc3 b5 15.cb5 cb5 16.Bb5 Qb6 17.Ba6 Qa6 18.Ng5 Rc8 19.Qb2 Qa2 (19...Qd3 20.Qa1 Rc2–+) 20.Qa2+/- Ba2 21.0-0 h6 22.Nge4 (22.Ngf3!?+/-) 22...f5 23.Ng3 e5 24.de5 Be5 25.Nf3 Bc3 (25...Rc2!?+=) 26.Rc1+/- Be6 27.Nd4 Bb4? (27...Bd4!? 28.Rc8 Bc8 29.ed4 Ba6+/-) 28.Rc8+– Bc8 29.Nge2?? (better is 29.Nc6 Bc5 30.Ne7 Kf7 31.Nc8+/-) 29...Ba6 30.Nc1 Bd2 31.Ncb3 Bc3 32.f3 Bd4 33.Nd4 d5 34.Kf2 Kf7 35.Ke1 Kf6 36.Kd2 Ke5 37.g3 Kd6 38.Kc3 Kc5 39.Ne6 Kd6 40.Nd4 g5?? 41.Kb4?? Ke5= 42.Kc5 Bf1 43.Nc6 Ke6 44.Nd4 Ke5 45.Nc6 Ke6 46.Kd4 Kd6 47.Nb4 Bc4 48.f4 gf4 49.gf4 h5 50.h4 Ke6 51.Nd3 Kd6 52.Ne5 Ke6?? 53.Nc6 Kd6= 54.Nb4 Ke6 55.Nd3 Kd6 56.Nf2 Ke6 57.Nh3 Kd6 58.Ng5 1–0. Fournier,Frederic – ingeZ, Active, 2007.

8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Qa4 Qa6 12.Nc3 Qa4 13.Na4 Na6 14.b5 cb5 15.cb5 Nc7 16.Nb6 Be6 17.0-0 Na8 18.Nc4 Rc8 19.Nfd2 Ne4 20.Ne4 Bc4 21.Rc1 Nb6 22.Bc4 Rc4 ½–½. Marquardt,Christian (2035) – Auger,Bertrand (2015), Quebec Montcalm op 6th, 2006. (=1.Nf3 Nf6 2.b4 g6 3.e3 Bg7 4.Bb2 0-0 5.Be2 d6 6.d4 c6 7.c4 a5)

8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Qb3 Na6 12.b5 cb5 13.cb5 Be6 14.Qb2 Nc7 15.0-0 Bd7 16.Nc3 Ra8 17.e4 Ne6 18.Rd1 Nc7 19.h3 Be8 20.Qb3 Nh5 21.Bb2 Nf4 22.Bf1 Nce6 23.g3 Nh5 24.Nd5 Qd8 25.e5 Bf8 26.Bc3 Nhg7 27.Nd2 Nf5 28.Ne4 h5 29.Be2 b6 (better is 29...Bg7!?+/-) 30.g4+– hg4 31.hg4 Nh6 32.Bb2 (better is 32.ed6!? Kh7+–) 32...de5 33.de5 Qb8 34.g5 Nf5 35.Bg4 Ra5?? (better is 35...Ra7+/-) 36.Qh3+– Rb5 (36...Bg7 37.Bf5 Nf4 38.Nf4 Rb5+–) 37.Ndf6! (37.Bf5 Rd5 38.Rd5 gf5 39.Qf5 Nc5+–) 37...ef6 (37...ef6 38.Nf6 Mate attack) 38.Nf6 (38.Nf6 Kg7 39.Qh7#) 1–0. Skrzypczak,Michal (1980) – Wasiak,Stanislaw, Wielkopolska Liga Seniorow, 2011.

8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Qb3 Na6 12.Bc3 Ne4 13.c5? (better is 13.b5=) 13...dc5–/+ 14.Ba6 ba6 (14...Qa6?! A) 15.dc5?? Qd3 (15...Nc3?! 16.Nc3 Rd8 17.Nb1–/+) 16.Qd1 Bc3 17.Nc3 Qc3 18.Kf1 Qb4–+; B) 15.bc5 e5 16.Qb4 (16.Ne5? Be5 17.de5 Nc5–+) 16...Nc3 17.Nc3 ed4 18.Nd4–/+) 15.dc5 Nc5! 16.Qc2 Bc3 17.Qc3 Qb4! 18.Qb4 Nd3 19.Ke2 Nb4 20.Rd1 Be6 21.Na3 a5 22.Nd4 Bd5 23.f3 e5 24.Ndc2 f5 25.Kd2 Rd8 26.Kc3 Rb8 0–1. Cattaneo,Romain (1800) – Midoux,Sebastien (2275), Marseille op, 2005.

8.a3 Bf5 9.Nc3 Na6 10.b5 cb5 11.cb5 Nc7 12.0-0 Ncd5 13.Nd5 Nd5 14.Nd2 Nb6 15.Rc1 Rc8 16.e4 Be6 17.Bc3 a4 18.Ba1 f5 19.Bf3 (19.Rc8 Bc8 20.e5 Be6=) 19...Rc1 20.Qc1 fe4 21.Be4 Qd7 22.Bd3 Bd5 23.h3 Bh6 24.Qe1 Rf4 25.Qe2 Rh4 26.Ne4 Qc8 27.Bb2 Bc4 28.Rd1 (28.Nc5 Bd3 29.Nd3 Nd5=) 28...Bd3 29.Rd3 Qe6 30.g4 Nd5 31.Ng3 (better is 31.Nc3!? Qe2 32.Ne2=) 31...Qf7–/+ 32.Rf3 (better is 32.Qc2!? Nf4 33.Qc8 Bf8 34.Rf3 Nh3 35.Kg2 Nf4 36.Kg1+=) 32...Nf4–+ 33.Rf4 Bf4 34.Kg2 e6 35.Ne4 (35.Qc2 d5–/+) 35...g5 (35...h5!? 36.Qf3–+) 36.Qc4 Rh6 (36...h5 37.d5 e5 38.Nd6+=) 37.Qc8+= Qf8 38.Qb7 Rg6 (38...d5 39.Nc5 Bd6 40.Qd7–/+) 39.b6 (39.d5 e5+=) 39...Rg7 40.Qc6 Qb8?? (40...Rf7 41.d5 (41.Qa4? d5–+) 41...e5 42.b7+– (42.Qd6?! Qd6 43.Nd6 Rf8+/-; 42.Nd6 Rf6 43.b7 Rd6=)) 41.Bc3 (41.d5 Be5 42.Be5 de5 43.Nf6 Kh8 44.Nd7+–) 41...Rf7+= 42.d5 e5 (42...Be5 43.Be5 de5 44.de6+–) 43.Nd6 (43.Qd6?! Qd6 44.Nd6 Rf8+–) 43...Rf8 44.Nf5 Qe8 (44...Rf5 45.gf5 g4+–) 45.b7 h5 (45...Kh8 46.Bb4 Qc6 47.dc6 e4 48.Bf8 Bb8+–) 46.Qe6 Qe6 47.de6 Rb8 48.Bb4 Rb7 49.e7 Rb8 50.Nd6 hg4 51.hg4 1–0. Hickl,Thomas – Sandmeier,Toni, FRG–chT fin Koblenz, 1977. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Be2 a5)

8.a3 Bg4 9.0-0 Nbd7 10.Nbd2 Qb8 (10...Bf5!?=) 11.h3+= Bf3 (11...Bf5 12.g4 Be6 13.Ng5+=) 12.Nf3 (12.Bf3 e5+/-) 12...e6 (12...Ne4 13.Bd3 f5 14.Qc2+=) 13.Rb1 (13.Bd3 d5+=) 13...ab4 (13...Ne4 14.Bd3 d5 15.b5+=) 14.ab4 Nb6 (14...Qc7 15.Ra1+=) 15.Nd2 (15.Qc2 Na4+=) 15...Na4= 16.Ba1 b5 (16...Qc7 17.c5=) 17.Qc2 (17.Qb3 d5 18.cb5 cb5+=) 17...Rc8 18.Qd3 (18.Rfc1 Nb6=) 18...bc4= 19.Nc4 Nd5 (19...Nb6 20.Nb6 Qb6 21.Rfc1=) 20.Qd2 Qc7 (20...Nab6 21.Na5=) 21.Rfc1+= Qd8 (21...f5 22.b5 cb5 23.Rb5+=) 22.Na5 Ne7 (22...c5 23.dc5 dc5 24.Bg7 Kg7 25.Nb7+/-) 23.Bf3 c6 draws heavy fire 23...d5 24.Bd1 (24.Qc2 Nb6+=) 24...Nb6 25.Bc3 (25.Bb2 Nd7+=) 25...Nf5 26.Qe2 (26.Bb2 Qd7+=) 26...Nd6 (26...Bf6 27.Bc2+=) 27.Be1 (27.Bc2 Nbc4+=) 27...Qd7 (27...Qe8 28.Bb3=) 28.Bc2 Rc7 (28...e5 29.de5 Be5 30.Bd3+=) 29.Bd3+= e5 (29...Bf6 30.Qc2 Rcc8 31.Ra1+=) 30.de5 Be5 31.Rc2 (better is 31.Bc3 Bc3 32.Rc3+=) 31...Nbc8? (better is 31...Rcc8+=) 32.Rbc1+– Na7 (better is 32...Ne7 33.b5 Rca7 34.Nc6 Nc6 35.bc6 Qe7+–) 33.Nb3 (better is 33.b5 Rb8 34.Nc6 Nc6 35.bc6+– (35.Rc6?! Rcb7+/-)) 33...Nab5+= 34.Na5 Na7 35.Nb3 ½–½. Kolesnikova,Kristina (2010) – Obgolts,Erik (2215), Chigor Memorial, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Be2 a5)

8.a3 Bg4 9.0-0 Nbd7 10.Nbd2 Re8 11.h3 Bf3 12.Bf3 Qc7 13.e4 e5 14.d5 c5 15.Qb3 (15.Bc3 cb4 16.ab4 ab4 17.Bb4 Bh6+=) 15...b6 (15...cb4 16.ab4 ab4 17.Qb4=) 16.Bg4 (16.b5 Ra7+=) 16...Reb8 (16...Bh6!? 17.Bd7 Qd7=) 17.Bd7+= Qd7 18.b5 (18.Bc3 Bh6 19.f4 Nh5 20.fe5 Be3 21.Kh2 Bf4 22.Rf4 Nf4 23.ed6 Nd3+=) 18...Nh5 (18...Bh6 19.Qd1 Bd2 20.Qd2 Ne4 21.Qe1=) 19.Bc1 Bh6 20.Nf3 Bc1 21.Rac1 Nf4 22.Ng5 (better 22.Rfe1+=) 22...h6 23.Nf3 Ne2 24.Kh2 Nc1 25.Rc1 f5 26.Re1 fe4 27.Re4 Rf8 28.Qe3 g5 29.Ng5? (better 29.Rg4!? Rf5 30.Nd2-/+) 29...hg5-+ 30.Qg5 Qg7 31.Qh5 Qh7 (31...Rf2 32.Rg4 Rf4 33.Rg7 Kg7 34.Qg5 Kf7 35.g3 Rf2 36.Kg1+/-) 32.Rg4 Kh8 33.Qg5 (33.Qh7 Kh7 34.Rh4 Kg7 35.Rg4 Kh6 36.Rh4 Kg5 37.Rg4 Kh5-+) 33...Rf5 (33...Rf2 34.Rh4 Rg2 35.Kg2=) 34.Qe3 (34.Qh4 Raf8 35.f3 Rh5-+) 34…Rg8 (34...Rg8 35.Rg3 Qh4-+) 0-1. saluki (1960) - trajanromanovic (2170), Rated Blitz game, lichess.org, 2014.

8.b5 a4 9.0-0 cb5 10.cb5 Bf5 11.Bd3 Qb6 12.a3 Nbd7 13.Nc3 Bd3.

8.b5 Qb6 9.Nc3 Bf5 10.0-0 cb5 11.cb5 Rc8 12.Nh4 Bd7 13.h3 Ra7.

8.b5 Nbd7 9.0-0 cb5 10.cb5 Nb6 11.Nbd2 Bf5 12.Nc4 Nc4 13.Bc4 a4 14.d5 Bg4 15.Rc1 Bf3 16.Qf3 (16.gf3?! Qd7=) 16...Nd7 17.Bg7 Kg7 18.e4 Qa5 19.Qa3 Rfc8 20.Be2 Rc1 21.Rc1 Qd2 22.Qc3 Qc3 23.Rc3 Nc5 24.e5 b6 25.Re3 de5 26.Re5 Kf6 27.f4 h6 28.g4 Rd8 29.h4 e6 30.Bc4 ed5 31.g5 (better is 31.Rd5!? Rd5 32.Bd5+=) 31...hg5–/+ 32.hg5 Kg7 33.Rd5 Rd5 34.Bd5 Nd3 35.f5 gf5 36.a3 (36.Bc4 Ne5 37.Be2 Kg6–+) 36...f6 (better is 36...Ne1!? 37.Kf2 Nc2 38.Bf3–+) 37.gf6 Kf6 38.Kf1 (better is 38.Bf3–+) 38...Ke5 39.Bf3 Kd4 40.Ke2 Ne5 41.Bc6 Nc4 0–1. Thal,Olaf – Gruenberg,Hans Ulrich, DDR–ch, 1975. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.d4 a5)

8.b5 Bf5 9.Nh4 Be6 10.Nc3 a4 11.0-0 Nbd7 12.Na4 cb5 13.cb5 Nb6.

8.b5 Bg4 9.Nc3 cb5 10.Nb5 Nc6 11.0-0 Bf5 12.Rc1 Ne4 13.Nd2 Nd2.

8.b5 cb5

9.cb5 a4 10.Nc3 a3 11.Bc1 Qa5 12.Bd2 Qb6 13.0-0 Bd7 14.Qb3 (14.e4 Bg4 15.Be3 Rc8+/-) 14...Rc8 (14...Be6 15.Bc4 Bc4 16.Qc4+=) 15.Bc1 (15.Bc4 e6+/-) 15...Qa5 (15...Be6 16.Qb4=) 16.Bd2 (16.Bc4 e6 17.Bd2 Qb6+/-) 16...Qb6 17.Bc4 Bg4 (better 17...e6!?+=) 18.Bf7+- Kh8 19.Be6 Be6 20.Qe6 Qc7 (20...Nbd7 21.Qe7 Rc7 22.Ng5+-) 21.Ng5 Rf8 (21...h6 22.Nd5 Nd5 23.Rfc1+-) 22.Nf7 Rf7 23.Qf7 Qd8 (23...Qd7 24.d5+-) 24.Nd5 Nd5 25.Qd5 Nd7 26.Qb7 Nf6 (26...Rb8 27.Qa6+-) 27.Rfc1 d5 (27...Rb8 28.Qc6+-) 28.Bb4 Ng8 29.Rc5 e6 30.Rac1 Rb8 31.Qc6 (31.Rc8 Rb7 32.Rd8 Bf6+-) 31...Qf6 32.Qd6 (32.Ba3 Bf8+-) 32...Rf8 (32...Rd8 33.Qa6 Bf8 34.Ba5+-) 33.R5c2 Nh6 (33...Rd8 34.Qa6+-) 34.Qg3 (better 34.b6 Qf7 35.Qc7 Rg8+-) 34...Nf5 35.Qf3 Re8 (35...Rg8 36.Ba3 Qd8+-) 36.Rc8 Qf7 37.Re8 (37.b6 h6 38.Re8 Kh7 39.Re7+-) 37...Qe8 38.b6 h6 (38...Qa8 39.Qf4 e5 40.Qg5+-) 39.Ba3 (better 39.b7 Kh7 40.Rc8+-) 39...Qb5 (39...Qa8 40.Rb1 Qb7 41.g4+-) 40.Bc5 (better 40.g4 Qb6 41.gf5 gf5 42.Rc8 Kh7 43.Qg3+-) 40...Qb2 (40...Kh7+-) 41.Qd1 Kh7 42.Rb1 Qa2 43.b7 1-0. Imperialleather (1745) - Kakadu (2030), Rated Blitz game, lichess.org, 2014.

9.cb5 b6 10.a4 Bb7 11.Nbd2 Nbd7 12.0-0 Nh5 13.Rc1 e5 14.de5 de5 15.Ne5 Ne5 16.Bh5 gh5 17.Be5 Be5 18.Qh5 Bg7 19.Rfd1 Qf6 20.Nc4 Rae8 21.Nd6 Rb8 22.Rc7 Ba8 23.f3 Rbd8 24.e4 Rd6 0–1. marvis (1690) – isniqi, kurnik, 2012.

9.cb5 Bf5 10.Nc3 Nbd7 11.0-0 Nb6 12.Rc1 Qd7 13.Ng5 d5.

9.cb5 Nbd7

10.Nc3 Nb6 11.0-0 a4 (11...Bf5 12.Rc1 Qd7 13.Bd3 Bd3) 12.Ba3 (12.Rc1 a3 13.Ba1 Bf5) 12...Be6 (12...Bf5 13.Bd3 Bd3) 13.e4 (13.Ng5 Bc4) 13...Nh5 (13...Nc4=) 14.Re1 (14.g3 Bc4=) 14...Qd7 (14...Nf4 15.Bf1+=) 15.Bb4 (15.g3 Rfc8 16.Bb4 Nf6=) 15...Rfc8 (15...Nf4 16.Rb1+=) 16.Ng5 (16.g3!?=) 16...Nf4+= 17.Bf1 Bc4 18.Qf3 e5 (18...h6 19.Qf4 hg5 20.Qg5 Bf1 21.Rf1–/+) 19.de5+= Be5 (worse is 19...de5 20.Rad1 Qe8 21.g3=) 20.g3 Ne6 21.Ne6 Bf1 22.Rf1 (22.Kf1 Qe6 (22...fe6?! 23.Kg2+=) 23.Kg2 Qc4–/+) 22...fe6 23.Rad1 Rc4 24.a3 Rac8 25.Rd3 Qg7 (25...Qf7 26.Qe3 Qc7 27.Rfd1=) 26.Nd1= Qd7 27.Bd6 Bd6 28.e5 Nd5 29.ed6 Qd6 30.Ne3 Rc3 (30...R4c5 31.Rfd1 Rf8 32.Qe4=) 31.Nd5+= Rd3 32.Ne7 Qe7 33.Qd3 Rf8 34.Rc1 Qf6 35.Qe3 Qf5 36.Rc5 Qb1 37.Kg2 Qb3 38.Qb3 ab3 39.Rc3 b2 40.Rb3 Ra8 41.Rb2 Ra3 42.Rc2 Rb3 43.Rc8 Kf7 44.Rc7 Kf6 45.Rb7 h5 46.h4 e5 47.b6 e4? 48.Rb8+– Rb1 49.b7 Kg7 50.g4! hg4 51.Kg3+– Rb4 52.Kf4 Kh7 53.Kg5 ½–½. Kushch,N (2420) – Kuzmin,Gen (2475), 3rd UKR Games Men, Evpatoria UKR, 2007. (=1.Nf3 d6 2.d4 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 c6 6.e3 0-0 7.Be2 a5 8.b5 cb5 9.cb5 Nbd7)

10.Nbd2 d5 11.0-0 a4 12.Ba3 Nb6 13.Rc1 Ne8 14.Ne5 Nd6 15.Bb4 Bf5 16.Rc5 Re8 17.Bf3 (better is 17.Qa1!?+=) 17...f6+= 18.g4 fe5 19.gf5 e4 20.Bg4 Nf5 21.Bf5 gf5 22.Qh5 e6 23.Kh1 Qd7 (23...Nd7 24.Rc2–/+) 24.Rg1 Rac8 25.a3 Kh8 26.Rg3 Rg8 27.Qh4 Qf7 28.f4 Bf6 29.Qh3 Rg3 30.Rc8 Nc8 31.hg3 Be7 32.Be7 Qe7 33.Nb1 Nd6 34.Qf1 Nc4 35.Qc1 Qe8 36.Nc3 Qh5 37.Kg2?? (37.Kg1–+) 37...Qf3 38.Kh3 Ne3 (38...Ne3 39.Qd1 Nd1 40.Kh2 Ne3 41.Ne4 Qg2#) 0–1. Tejas,R (2120) – Meenakshi,Sub (2335), ch–Commonwealth, Nagpur IND, 2008. (=1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c6 7.Be2 a5 8.b5 cb5 9.cb5 Nbd7)

10.0-0 Nb6

11.Nc3 a4 12.Ba3 Nfd5 13.Nd5 Nd5 14.Qd2 Qa5 15.Rfc1 Bd7 16.Qa5 Ra5 17.Bc4 Nb6 18.Bd3 Rc8 19.Rc8 Bc8 20.Rc1 Kf8 21.Ng5 Bh6 22.h4 Bg5 23.hg5 Be6 24.Rc2 Ra8 25.e4 Rc8 26.Rc8 Nc8 27.d5 Bd7 28.Bb2 b6 29.Bd4 Ke8 30.Kf1 Kd8 31.Ke2 Kc7 32.Kd2 Na7 33.Kc3 Bb5 34.Bc4 Kb7 35.Kb4 Ka6 36.Bb5 Nb5 37.Bg7 a3 38.Bf8 e6 39.e5 ed5 40.ed6 Na7 41.d7 Nc6 42.Ka4 Kb7 43.Bd6 d4 44.Kb5 d3 45.Bf4 Nd8 46.Be3 Kc7 47.Bb6 Kd7 48.Be3 Kd6 49.Kc4 Kc6 50.Kd3 Kb5 51.Kc3 Ka4 52.Kc4 Nc6 53.Bc5 Ne5 54.Kd4 Ng4 55.Kd5 h5 56.f3 Nh2 57.Ke5 h4 58.Kf6 h3 59.Bd6 Ng4 60.fg4 hg2 1–0. Schulenburg,Peter (2260) – Belic,Jordanka (2340), Ruhrgebiet VL1, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Be2 a5)

11.Nc3 Be6 12.Nd2 a4 13.Ba3 Nbd5 14.Nd5 (14.Nde4 Ne4 15.Ne4 Qb6=) 14...Nd5 (14...Bd5 15.Bf3=) 15.Rc1+= Kh8 16.Bc4 Qa5 17.Qc2 (17.Bb2 Qb4 18.Qc2 Rac8+=) 17...Rac8= 18.Qb2 f5 (18...Qb6 19.Ne4=) 19.Rc2+= Rc7 20.Rfc1 Rfc8 21.Bd3 (21.Qb1 Bf7+=) 21...Rc2 22.Rc2 Rc2 23.Qc2 Bh6 24.Nf3 Bd7 25.e4 (better is 25.Qc4!? Be6 26.Qc1+=) 25...fe4+= 26.Be4 Qb5 27.h4 (27.Qb2 Qb2 28.Bb2 Bc6–/+) 27...Nf6–/+ 28.Bd3 Bf5 29.Bb5 Bc2 30.Bb2 Ne4 (30...Bg7 31.Ng5+=) 31.Ne1 Bd1 32.Bd3 d5 33.Nf3? (better is 33.Be4!? de4 34.d5 Kg8 35.Kf1+=) 33...Bf3–+ 34.gf3 Nd2 35.Kg2 Nc4 36.Bc3 Bf4 (36...Bf4 37.h5 gh5 38.Bc4 dc4 39.d5 Kg8–+) 0–1. Diamond,Jim – Kahn,Evarth, corr, 1972.

11.Nbd2 a4 12.e4 Bd7 13.Rb1 Bg4 14.Bd3 Nh5 15.Re1 Nf4 16.Bf1 d5 17.h3 Bd7 18.Ne5 Be6 19.ed5 Bf5 20.Ra1 Nfd5 21.Qf3 Rc8 22.Ndc4 Nc4 23.Bc4 Be6 24.Rac1 Rc7 25.Qa3 Nf4 (25...Bh6 26.Rcd1 f6 27.Bd5 Qd5= (27...fe5?? 28.Be6 Kh8 29.Qa4+–)) 26.b6 (better is 26.Be6 Ne6 27.Qa4+=) 26...Rc4–/+ 27.Rc4? (27.Rc4 Bd5 Double attack (27...Bd5 Decoy); 27.Nc4 Bc4 Combination) 27...Be5–+ 28.Ra4 Qd5 29.f3 (29.Qf3 Nh3! 30.Kh1 Qf3 31.gf3–+) 29...Bd6 30.Qc3 Qg5 31.g4 (31.Qc2 Rc8 32.Rc1 Rc2 33.Rc2 Nh3 34.Kh1 Qe3 35.Ra8 Kg7 36.d5 f6 37.Bf6 ef6 38.Rc7 Bc7 39.Rg8 Kg8 40.gh3 Qf3 41.Kg1 Bb6 42.Kh2 Qh3) 31...Nh3 (31...Qh4 32.Qd2 Qg3 33.Kf1 Qf3 34.Qf2 Qh3 35.Kg1–+) 32.Kf1 Qb5 (32...Qb5 33.Kg2 Rc8–+) 0–1. Eales,Richard G – Todercevic,A, Lloyds Bank op, 1973. (=1.d4 g6 2.Nf3 Bg7 3.c4 Nf6 4.e3 0-0 5.b4 d6 6.Bb2 c6 7.Be2 a5)

11.Nbd2 Be6 12.e4 Rc8 13.d5 Bg4 14.Qb3 a4 15.Qb4 Rc2 16.Bd4 Bh6 17.Bd3 Bd2 18.Nd2? (better is 18.Bb6!? Qb6 19.Nd2+=) 18...Nbd5–/+ 19.ed5 Nd5 20.Qa4 Rd2 21.Be4 e5 22.Ba7 Be6 23.Qa3 Qg5 (23...Qh4 24.Be3 Ne3 25.Qe3–+) 24.Qc1? (24.Rad1!?=) 24...Rc8 25.Qa3?? (better is 25.Be3 Rc1 26.Bg5 Rf1 27.Kf1–/+) 25...Rc4–+ 26.Rfe1 b6 27.Qd6 (27.Qg3 Qd8 28.Bd5 Rd5 29.Qa3 Rb5 30.Qa6–+) 27...Nf4 28.Qb8 Kg7 29.h4 (29.Bf3 Nh3 30.Kh1 Nf2 31.Kg1–+) 29...Nh3 30.Kh2 Qf4 31.Kh1 Nf2 32.Kg1 Ng4 33.Qb6 (33.Qe5 Qe5 34.Bb6 Qh2 35.Kf1 Qh1 36.Bg1 Rf2) 33...Qh2 34.Kf1 Qh1 0–1. Okon,D (2185) – Weichhold,P (2415), XXX Gniota Memorial Open, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.d4 a5 8.b5 cb5 9.cb5 Nbd7 10.0-0 Nb6)

11.Nfd2 Be6 12.e4 Ne8 13.Bd3 (13.Na3 d5=) 13...Qd7 (13...d5 14.e5=) 14.a4 d5 15.e5 f6 16.ef6 Rf6 17.Nc3 (17.Nb3 Qc7=) 17…Bg4 (17...Bg4 18.Qc2 Rc8=). Trigance,Eric – Hirtreiter,Michael, corr SOK–90–64, 1990.

7.Be2 a6

8.0-0 b5 9.a4 Bb7 (better is 9...bc4!? 10.Bc4 a5 11.ba5 Bf5+=) 10.ab5+/- ab5 11.Ra8 Ba8 12.cb5 cb5 13.Bb5 Qb6 14.Nc3 Ne4 15.Bd3 Nc3 16.Bc3 Rc8 17.Qd2 Nd7 18.Rb1 Bf3 19.gf3 e5 20.b5 ed4 21.Ba5 de3 22.fe3 Qb7 23.Be4 Qb8 24.Bc6?? Rc6!–+ 25.bc6 Qb1 26.Kf2 Ne5 27.c7 Qb7 28.Qd6? Qf3 29.Ke1 Qe3 30.Kd1 Qb3 31.Ke1 Nd3 32.Qd3 Qe6?? 33.Kf2 Bf6 34.Bc3 Bh4 35.Kg2?? Qc6–/+ 36.Kh3 Qc7 37.Kh4 Qh2 38.Kg4 Qh5 39.Kg3= Qg5 40.Kf3 Qf5 41.Ke2?? Qd3–+ 42.Kd3 h5 43.Ke4 Kh7 44.Kf4 Kh6 45.Bf6 Kh7 46.Kg5 Kg8+= 47.Kh6 Kf8 48.Kg5 Kg8 49.Kf4 Kf8 50.Kg5 Ke8 51.Kf4 Kd7 52.Ke5 Kc6 53.Bg5 Kd7 54.Kf6 Ke8 55.Bh6 h4–/+ 56.Bf4 h3 57.Bg3 Kd7 58.Kf7= g5 59.Kf6 g4 60.Kf5 h2 61.Bh2 g3 62.Bg3 ½–½. futsalboy (1685) – kasiamila2121 (1805), kurnik, 2011.

8.0-0 b5 9.c5 Nbd7 10.cd6 ed6 11.Nbd2 Bb7 12.Nb3 Rc8 13.a4 ba4 14.Ra4 Nb6 15.Ra5 Nbd5 16.Qe1 Ne4 17.Ba6 Ba6 18.Ra6 Ra8 19.Ra8 Qa8 20.Nfd2 Ng5 21.Nc4 Qd8 22.Nba5 Qf6 23.Nc6 Re8 24.b5 Nf4 25.Qd2 Ngh3 26.Kh1 Qg5 27.Rg1 d5 28.gh3 Qh4 29.N4e5 Nh3 30.Rg3 Ng5 31.f3 Bh6 32.Kg2 f6 33.Ng4 Bg7 34.Qd3 h5 35.b6 hg4 36.fg4 Ne4 37.b7 Ng3 38.hg3 Qg4 39.b8Q Rb8 40.Nb8 Bh6 41.Nc6 Qe6 42.Nb4 Be3 43.Qg6 Kf8 44.Qh6 Bh6 0–1. marvis (1685) – benekj23, kurnik, 2012.

7.Be2 Na6

8.a3 Qb6 9.Nc3 Rd8 10.0-0 Bf5 11.h3 d5 12.c5 Qc7 13.Qb3 Ne4.

8.a3 c5 9.bc5 dc5 10.0-0 Qb6 11.Ra2 Bf5 12.Nc3 Rfd8 13.d5 Ne4.

8.a3 c5 9.b5 Nc7 10.0-0 cd4 11.ed4 Bf5 12.Nc3 a6=.

8.a3 d5 9.0-0 Nc7 10.Nc3 dc4 11.Ne5 Be6 12.Nc4 Ncd5 13.Qc2 Nc3.

8.a3 Bd7 9.Nc3 Nc7 10.0-0 Bf5 11.Qd2 Qd7 12.Nh4 Be6 13.e4 d5.

8.a3 e5 9.de5 Ng4 10.0-0 Ne5 11.Nc3 Qe7 12.Nd4 Nc7 13.Qd2 Be6.

8.a3 Be6 9.0-0 d5 10.cd5 Nd5 11.Nbd2 Nac7 12.Ne4 Nb5 13.Nc5 Nbc3.

8.a3 Bf5 9.0-0 Qd7 10.Bd3 c5 11.b5 Nc7 12.Qc2 cd4 13.Bd4?? (better is 13.Bf5 Qf5 14.Qf5 gf5 15.Nd4+=) 13...Bd3–+ 14.Qd3 Rae8?? (better is 14...e5!?–+) 15.Nbd2 (15.Rd1 Ra8+=) 15...a6 (15...e5 16.Ba7 e4 17.Ne4 Re4 18.Bd4+=) 16.a4 (16.Bf6 Bf6 17.Rab1 Bg7=) 16...a5?? (better is 16...e5 17.Bc3 e4–/+) 17.Bb6+/- Ne6 18.Ba5 Nc5 19.Qc2 h6 20.Bc3 Ra8 21.a5 h5 22.Ra2 Qe6 23.Rd1 Nce4?? 24.Ne4 Ne4?? 25.Bg7+– Kg7 26.Nd4 Qf6 27.f3 Ng5 28.e4 Rad8 29.a6 b6? 30.a7 Ra8 31.Ra6 Ne6 32.Ne6 Qe6 33.Rda1 Qd7 34.Rb6 Rfc8? 35.Rba6 Rc7 36.b6 Rc6 37.Qb3 Qd8 38.b7 Ra6 39.Ra6 Ra7 40.Ra7 Qb8 41.Ra8 Qc7 42.b8Q Qc5 43.Kh1 Qd4 44.Qh8 1–0. Fournier,Frederic – reneescorpion, Active, 2004.

8.a3 Bf5 9.Nc3 Nc7 10.Bd3 Bd3 11.Qd3 Rc8 12.0-0 Ne6 13.h3 d5.

8.Qa4 c5 9.b5 Nc7 10.dc5 Ne4 11.Bg7 Nc5 12.Qd1 Kg7=.

8.b5 cb5 9.cb5 Nb4 10.Nc3 Bf5 11.0-0 Rc8 12.Ng5 Bh6=.

8.b5 Nc7 9.a4 (9.Nc3 Bf5 10.0-0 cb5 11.cb5 a6 12.a4 ab5=) 9...c5 10.0-0 cd4 11.Nd4 Ne6 12.Nc3 Nc5+=.

8.a3 Nc7

9.0-0 a6 10.Nc3 b5 11.Qc2 Ne6 (11...Be6 12.c5=) 12.d5 cd5 13.Nd5 Nd5 14.cd5 Bb2 15.Qb2 Nc7 16.e4 Ne8 (16...f5 17.Bd3=) 17.Bd3 Bg4 18.Nd4 Nf6 (18...Bd7!?+/-) 19.Nc6 Qc7 20.a4 ba4 21.Ra4 Bd7 (better is 21...Bc8!?+/-) 22.Ne7+– Kg7 23.Rc1 White prepares the advance b5 (23.Ra6?! Ra6 24.Ba6 Re8+–) 23...Qb6 24.Nc6 Rfe8 25.Qa1 Rec8 26.b5! Bc6 (26...ab5 27.Ra5 Double attack (27.Ra8 Pinning; 27.Ra8 Deflection; 27.Ra5 Decoy)) 27.dc6 a5 28.Rd4 d5 (28...Kg8 29.Rd6 Ng4 30.Qd4 Qd4 31.Rd4+–) 29.ed5 1–0. Janek – Bertie, internet, 2016.

9.0-0 d5 10.Nc3 Bg4 11.cd5 cd5 12.Rc1 Qd6=.

9.0-0 Nd7 10.Qb3 b6 11.Nc3 e5 12.de5 de5 13.Rad1 f5 14.Rd2 Qe7 15.Rfd1 Nf6? (15...Rd8 16.e4+=) 16.Na4 (better is 16.Ne5 Qe8 17.Bf3+–) 16...Ne4+= 17.Rc2 Kh8 18.Nc3 Bb7 19.c5 bc5= 20.Ne4 fe4 21.Nd2 Bc8?? 22.Rc5+– Ne6 23.Rc6 Ng5 24.Qc2 Bd7 25.Rc3 Bf5 26.Rc7 Qf6 27.Nc4 Bh3 28.Bf1 Bg4 29.Be5 Bd1 30.Bf6 Bc2 31.Bg7 Kg8 32.Bf8 Kf8 33.h4 Nf7 34.Na5 Bd3 35.Bd3 ed3 36.Kf1 Rd8 37.Ke1 d2 38.Kd1 Nd6 39.Nc6 Nb5 40.Nd8 Nc7 41.Kd2 Ke8 42.Nc6 a6 43.Kd3 Kd7 44.Nd4 Kd6 45.Kc4 Nd5 46.Nb3 Nb6 47.Kd4 Na8 48.Nc5 Nc7 49.e4 Nb5 50.Kd3 Na3 51.Na6 Nb5 52.Nc5 h6 53.f4 Na3 54.e5 Kd5 55.e6 Nb5 56.g4 Nd6 57.e7 Ne8 58.f5 gf5 59.gf5 Kc6 60.Kd4 Kb5 61.Ne4 Kc6 62.f6 Kd7 63.Nc5 Kd6 64.f7 Ke7 65.fe8Q Ke8 66.b5 (66.b5 Kf7 67.b6 Kg7 68.b7 h5 69.b8Q Kf7 70.Qa7 Kf6 71.Nd7 Kf7 72.Ne5 Ke6 73.Qd7 Kf6 74.Qf7#) 1–0. Sykula,A – Szelag,Marcin, Krynica op, 1994. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4)

9.Nc3 a5 10.Bd3 Bg4 11.0-0 Ne6 12.h3 Bh5 13.g4 Ng4.

9.Nc3 d5 10.0-0 Bg4 11.Rc1 Bf3 12.Bf3 dc4+=.

9.Nbd2 d5 10.0-0 Bf5 11.Ne5 Nd7 12.Ndf3 Ne5+=.

9.0-0 b5

10.cb5 cb5 11.Nc3 Bd7 12.Qd2 Rc8+=.

10.Nbd2 d5 11.cb5 cb5 12.a4+= Qd6+=.

10.Nbd2 Nd7 11.Qc2+/- Bb7 12.Nb3 Rc8 13.c5 d5 (13...Nd5 14.Qd2+/-) 14.Na5 Rb8 15.Bd3 Nf6 16.Ne5 Qe8 17.Rfe1 a6 18.a4 (18.Nb7 Rb7 19.a4 Nh5+/-) 18...Ne6 (18...Ba8!?+/-) 19.ab5 ab5 20.Nb7 Rb7 21.Ra6 Nd8 (21...Rc7!?+/-) 22.Rea1 Rc7 23.Ra8 Nd7? (better is 23...e6+/-) 24.Nc6!+– Nc5 (24...Rc6 25.Bb5; 24...Nc6 25.Re8) 25.Rd8 (25.Qc5?! Qc6 26.Qb5 Qd6+–; 25.dc5?! Qc6 26.R1a5 Bb2 27.Qb2 Ne6+–; 25.bc5?! Qc6 26.Qb3 Rb7+–) 25...Qc6 26.Rf8 (26.Rf8 Bf8 27.dc5+– (worse is 27.Qc5 e6 28.Qc6 Rc6+–); 26.Qc5 Rd8 27.Qc6 Rc6–/+) 1–0. Laine,E – Pang,CK, Haifa ol (Men), 1976.

10.Nbd2 Bf5 11.Nb3 Qd7 12.Na5 a6 13.Rc1 Rac8 14.Nd2 Na8 15.Bf3 d5 16.c5 Nc7 17.Be2 g5 18.Nf3 Ne6 19.Ne5 Qe8 20.g4 Bg6 21.f3 Nd8 22.Qe1 Nd7 23.h4 Ne5 24.de5 h6 25.hg5 hg5 26.f4 gf4 27.ef4 f5 28.g5 Kf7 29.Nb3 Ne6 30.Nd4 Nd4 31.Bd4 e6 32.Kg2 Rh8 33.Rh1 Rh1 34.Qh1 Qh8 35.Qh8 Rh8 36.a4 Ra8 37.Ra1 Re8 38.ab5 ab5 39.Ra6 Rc8 40.Ra7 Kg8 41.Kg3 Kh7? (41...Rd8 42.Re7 Bf7 43.Rc7+/-) 42.Kh4 (better is 42.Re7+–) 42...Rh8+/- 43.Bf3 Be8 44.Kg3 Kg6 45.Re7 Bf7 46.Rc7 Be8 47.Bg2 Bf8 ½–½. Denoth,Mario (2185) – Noetzel,Felix (1705), Berlin Unicorn op, 2007. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c6 7.Be2 Na6 8.a3 Nc7)

10.Nbd2 Bf5 11.Rc1 d5 12.cb5 cb5+=.

7.Be2 Qb6

8.0-0 a5 A) 9.c5 dc5 (9...Qd8 10.ba5 dc5 11.Nbd2 cd4 12.Nc4 de3 13.fe3 Qd1 14.Rad1 Nbd7) 10.dc5 Qd8 11.a3 ab4 12.ab4 Ra1 13.Ba1 Qd1 14.Rd1 Na6; B) 9.b5 cb5 (9...Na6 10.Nc3 cb5 11.Nb5 Bd7 12.Rc1 Rfc8 13.a3 Rc6 14.Bd3 Nc7; 9...Bf5 10.Nc3 cb5 11.cb5 Rc8 12.Nh4 Be4 13.Ne4 Ne4 14.Rc1 Nd7) 10.cb5 Na6 11.Nbd2 Nb4 12.Nc4 Qd8 13.a3 Nbd5 14.Rc1 Bf5.

8.0-0 Na6 9.a3 c5 10.b5 cd4 11.ed4 Nc7 12.Nc3 Ne6 13.Qd2 Bd7.

8.0-0 Qb4 9.Ba3 Qa5 (9...Qb6 10.Nc3 Na6 11.Rb1 Qa5 12.Qc1 Rd8 13.h3 Bh6 14.Rb3 Rb8) 10.Qd2 Qa4 11.Qc1 Nbd7 12.Nc3 Qa5 13.Rb1 b6 14.Rb3 Bb7.

8.0-0 Qb4 9.Bc3 Qb6 10.Nbd2 c5 11.Rb1 Qa6 12.Qb3 Nc6 13.Bd3 b6.

8.0-0 Qb4 9.Bc3 Qb6 10.Nbd2 c5 11.h3 cd4 12.ed4 Bd7 13.Rb1 Qc7 14.Bd3 Nh5.

8.0-0 Nbd7 9.Qb3 a5 10.ba5 Qa5 11.Nbd2 Nb6 12.c5 dc5 13.dc5 Nbd5.

8.0-0 Nbd7 A) 9.Qb3 a5 10.b5 Ne4 11.Nc3 Ndf6 12.bc6 Qc6 13.d5 Qc7 14.Ne4 Ne4; B) 9.b5 cb5 (9...Ne4 10.Bd3 Ndf6 11.Qc2 d5 12.bc6 dc4 13.Bc4 bc6 14.Nc3 Nc3) 10.cb5 Ne4 11.Bd3 Ndf6 12.Nc3 Bf5 13.Ne4 Be4 14.Ng5 Bd3; C) 9.a3 a5 (9...Ne4 10.Qc2 Ndf6 11.Bd3 d5 12.Nc3 Nc3 13.c5 Ne2 14.Be2 Qc7; 9...Qc7 10.Nbd2 Nb6 11.e4 c5 12.bc5 dc5 13.d5 Ng4 14.Bg7 Kg7) 10.c5 dc5 11.dc5 Qc7 12.Nbd2 Nd5 13.Bg7 Kg7 14.Nc4 ab4.

8.0-0 Be6 A) 9.Ba3 a5 10.c5 Qc7 11.cd6 ed6 12.b5 cb5 13.Bb5 Rc8 14.Nbd2 Nc6; B) 9.b5 cb5 (9...Nbd7 10.Ng5 Bf5 11.Nc3 h6 12.e4 hg5 13.ef5 gf5 14.Qd2 g4; 9...a6 10.Ng5 Bd7 11.Nc3 ab5 12.cb5 cb5 13.Qb3 b4 14.a3 h6; 9...Na6 10.Ng5 Bd7 11.Qb3 Nc7 12.Nc3 Ne6 13.Nge4 Ne4 14.Ne4 a6; 9...Bf5 10.Nc3 a6 11.Nh4 Bd7 12.Na4 Qa5 13.Bc3 Qd8 14.b6 Ne4) 10.cb5 Nbd7 11.Ng5 Bf5 12.Nc3 h6 13.e4 hg5 14.ef5 gf5; C) 9.Ng5 Bd7 (9...Bf5 10.Nc3 Qb4 11.Qd2 Bh6 12.a3 Qa5 13.f4 Nbd7 14.h3 Nb6) 10.a3 c5 11.b5 h6 12.Nf3 cd4 13.ed4 Be6 14.Nc3 Nbd7; D) 9.a3 Nbd7 (9...a5 10.c5 Qc7 11.Nc3 ab4 12.ab4 Na6 13.Qa4 Nd5 14.Nd5 Bd5; 9...c5 10.Nc3 cb4 11.c5 dc5 12.Na4 Qd6 13.Nc5 Bd5 14.ab4 b6; 9...Bf5 10.Nc3 a5 11.c5 Qc7 12.Ng5 ab4 13.ab4 Ra1 14.Qa1 h6) 10.Ng5 Bf5 11.Nc3 h6 12.e4 hg5 13.ef5 gf5 14.Qd2 f4.

8.0-0 Bf5 9.a3 c5 10.b5 a6 11.Nh4 Be6 12.d5 Bd7 13.Nc3 ab5.

8.0-0 Bf5 9.a3 c5 (9...a5 10.c5 Qc7 11.Nc3 Nbd7 12.h3 b5 13.cd6 Qd6 14.ba5 Ra5; 9...Nbd7 10.Nc3 a5 11.b5 Rfc8 12.Bd3 Bd3 13.Qd3 c5 14.d5 Qc7) 10.b5 a6 11.Nh4 Be6 12.d5 Bd7 13.Nd2 ab5 14.cb5 e6.

8.0-0 Bf5 9.Qb3 a5 (9...Na6 10.Ba3 Ne4 11.Nbd2 Nd2 12.Nd2 c5 13.bc5 dc5 14.Nf3 Rfd8) 10.ba5 Qa5 11.Nc3 Nbd7 12.h3 Rfe8 13.a4 Red8 14.Ng5 h6.

8.a3 Bf5 9.Nc3 Nbd7 10.0-0 a5 11.Qb3 Qc7 12.h3 Nb6 13.Ng5 a4.

8.Ba3 Bf5 A) 9.Nh4 Be6 10.Nc3 Nbd7 11.0-0 d5 12.c5 Qc7 13.Nf3 Ne4 14.Ne4 de4; B) 9.0-0 a5 (9...Na6 10.Qb3 Ne4 11.Nbd2 Nd2 12.Nd2 c5 13.bc5 dc5 14.Nf3 Rfd8) 10.b5 cb5 11.cb5 Rc8 12.Nbd2 Nbd7 13.Nc4 Qd8 14.Rc1 Nb6; C) 9.Nbd2 a5 (9...Nbd7 10.0-0 a5 11.b5 cb5 12.cb5 Qa7 13.Rc1 Rac8 14.Qb3 a4; 9...Qc7 10.0-0 Nbd7 11.Nh4 Be6 12.f4 Nb6 13.f5 Bd7 14.Rc1 Bh6; 9...Rd8 10.0-0 Nbd7 11.Qb3 Qc7 12.Nh4 Be6 13.Nhf3 Bf5 14.Nh4 Be6; 9...Re8 10.0-0 Nbd7 11.Nh4 Be6 12.Rb1 Qa6 13.Qb3 b5 14.Rbc1 Rab8) 10.b5 cb5 11.cb5 Nbd7 12.Nc4 Qa7 13.Bd3 Rfc8 14.0-0 Be6; D) 9.Bd3 a5 (9...Bd3 10.Qd3 e5 11.Nbd2 ed4 12.Nd4 Nbd7 13.0-0 Rfe8 14.Rab1 Ne5; 9...Nbd7 10.Bf5 gf5 11.Nc3 Ne4 12.Qd3 Nc3 13.Qc3 a5 14.0-0 Nf6; 9...Na6 10.Bf5 gf5 11.Nbd2 Nc7 12.0-0 f4 13.Nh4 Ne6 14.Nf5 Rfe8) 10.c5 Qc7 11.cd6 ed6 12.Bf5 ab4 13.Bb4 gf5 14.0-0 c5; E) 9.Nc3 a5 (9...Nbd7 10.0-0 Rac8 11.Qb3 Rcd8 12.Nh4 Be6 13.h3 d5 14.Nf3 dc4) 10.b5 cb5 11.cb5 Nbd7 12.Rc1 Rfc8 13.Bd3 Bd3 14.Qd3 Qd8.

8.Ba3 Bg4 A) 9.h3 Bf3 (9...Bf5 10.Nc3 a5 11.b5 cb5 12.Nb5 Na6 13.Bd3 Bd7 14.0-0 Bc6) 10.Bf3 a5 11.Qb3 ab4 12.Bb4 c5 13.Bc3 Qb3 14.ab3 Ra1; B) 9.c5 Qc7 (9...Qd8 10.h3 Bf5 11.Nc3 a5 12.cd6 Qd6 13.Qb3 a4 14.Qb2 Nbd7; 9...dc5 10.bc5 Qc7 11.Nc3 Nd5 12.Qd2 Nd7 13.Nd5 cd5 14.0-0 Nf6) 10.Nc3 Nbd7 11.h3 Bf5 12.0-0 a5 13.cd6 Qd6 14.Qb3 ab4; C) 9.Nbd2 Nbd7 (9...Bf5 10.0-0 Nbd7 11.Nh4 Be6 12.f4 Bh6 13.Qc2 Ng4 14.Qd3 a5) 10.0-0 a5 11.b5 cb5 12.cb5 Rfc8 13.h3 Be6 14.Ng5 Bd5; D) 9.0-0 a5 10.c5 Qc7 11.cd6 ed6 12.b5 cb5 13.Bb5 Rc8 14.Nbd2 Nc6; E) 9.Nc3 a5 (9...Nbd7 10.0-0 a5 11.b5 cb5 12.Nb5 Rac8 13.Rb1 Qd8 14.Nc3 Qc7) 10.b5 cb5 11.cb5 Nbd7 12.0-0 Rfc8 13.Rc1 Bh6 14.h4 Qd8.

8.Qb3 a5 9.a3 (9.ba5 Qa5 10.Nbd2 Ne4 11.Bd3 Nd2 12.Nd2 e5 13.Bc3=) 9...ab4 (9...c5 10.b5 Bf5 11.0-0 Nbd7 12.Nc3 Qc7 13.Na4=) 10.ab4 (10.Qb4 Qa7 11.0-0 c5 12.Qb3 Nc6 13.Nbd2=) 10...Ra1 11.Ba1 Na6 (11...c5 12.b5 Bg4 13.dc5=) 12.b5 Nc7 13.Nc3 (13.0-0=) 13...cb5 14.cb5 Be6 15.Qd1 Nfd5 16.Nd5 Bd5 17.Qd3 Be4 (better is 17...e5!? 18.de5 de5 19.Ne5 Re8=) 18.Qe4+= Qa5 19.Nd2 (19.Kf1!? Qa1 20.Ne1+/-) 19...Qa1= 20.Qb1 Qc3 21.Qb3 Qc1 22.Qd1 Qc3 (better is 22...Qd1 23.Kd1 Ra8=) 23.Qb1 (23.0-0 Rc8+=) 23...Qa3 (better is 23...Ra8!? 24.Qb3 Ra1 25.Bd1 Qa5–/+) 24.Qb3 (24.0-0 d5+=) 24...Qa1= 25.Qb1 Qa5 26.Qb2 e5 27.0-0 ed4 28.ed4 Ne6 29.Nf3 Qb6 (29...Qa4 30.Rd1+=) 30.Rd1= Re8 31.Bc4 Nd4 32.Nd4 Re4 33.Bf7+= Kf8 34.Qc2 Qd4 35.Bb3 Qb4= 36.Qd3 Re1 37.Re1 Qe1 38.Qf1 Qe7 39.Qc4 ½–½. Sebald,Ralph – Smikalla,Ralf, Dortmund op–B, 1998.

8.Qb3 a5 9.b5 cb5 (9...a4 10.Qa3 cb5 11.cb5 Bf5 12.Nc3 Nbd7 13.0-0 Rfc8 14.Rac1 Qa5; 9...Bd7 10.bc6 Qb3 11.ab3 Nc6 12.Nc3 Nb4 13.0-0 Bf5 14.Nd2 Rfc8; 9...Bf5 10.Nc3 cb5 11.cb5 Be6 12.Qc2 Rc8 13.Ng5 Bc4 14.Bc4 Rc4; 9...Bg4 10.Nc3 cb5 11.Qb5 Qb5 12.Nb5 Nc6 13.0-0 Rac8 14.h3 Bd7) 10.Qb5 Qb5 11.cb5 Bf5 12.Nc3 Nbd7 13.0-0 Rfc8 14.Rac1 Nb6.

8.b5 a6 A) 9.a4 ab5 10.cb5 cb5 11.ab5 Ra1 12.Ba1 Bf5 13.0-0 Nbd7 14.Nc3 Rc8; B) 9.0-0 ab5 (9...cb5 10.Nbd2 Nc6 11.d5 Na5 12.Bd4 Qd8 13.cb5 ab5 14.Bb5 Nd5) 10.cb5 cb5 11.a3 Be6 12.Nbd2 Nc6 13.Rc1 Bh6 14.h4 b4; C) 9.Nbd2 ab5 (9...cb5 10.0-0 b4 11.a3 ba3 12.Ba3 Qc7 13.Qc2 b6 14.h3 Nc6; 9...Bf5 10.a4 ab5 11.cb5 Nbd7 12.0-0 d5 13.Qb3 Rfc8 14.Rfc1 c5; 9...Bg4 10.a4 ab5 11.ab5 Nbd7 12.0-0 Ra1 13.Qa1 Bf5 14.h3 cb5) 10.Qb3 b4 11.a3 Bf5 12.ab4 Ra1 13.Ba1 Nbd7 14.Bc3 Ra8; D) 9.Nc3 ab5 (9...cb5 10.cb5 ab5 11.Bb5 Nc6 12.Qe2 Be6 13.0-0 Rfc8 14.Rfc1 Bf5) 10.cb5 cb5 11.Bb5 Nc6 12.Qe2 Bf5 13.0-0 Rfc8 14.Rac1 Na7.

8.b5 cb5 9.cb5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Ne4 (12...Bf5 13.Nc3 Nbd7 14.0-0 Rc8) 13.0-0 (13.Nbd2 Nd2 14.Qd2 Nd7) 13...Qa5 (13...Nd7 14.Nfd2 Ndf6) 14.Nbd2 Nc3 (14...Nd2+=) 15.Bc3 Qc3 16.Qc1 Qa5 17.Nb3 Qb6 18.Qa3 Be6 19.Rc1 Nd7 20.Nbd2 Bg4 21.h3 Be6 22.Bd3 Nf6 23.Nc4 Qb5 24.Nd6 Qh5 25.Rc5 Qh6 26.Ne4 (26.Nb7?! Bd5 27.Rb5 Bf3 28.gf3 Qh3 29.Qe7 Re8=) 26...b6 27.Rb5 Nd5 28.Neg5 Nc7 (28...Rc8 29.Ne6 fe6 30.Be4+–) 29.Rb6 Ra8 (29...Bd5 30.e4 (30.Qe7?! Bf3 31.Nf3 Nd5+–) 30...Bf6 31.h4+–) 30.Qb2 (30.Qe7?! Nd5 31.Qb7 Nb6 32.Ne6 fe6 33.Qb6 Re8+–) 30...Ra5 31.Ne6 (31.Rb8!? Bf8+–) 31...Ne6 32.Bc4 Ng5? (32...Nf8 33.Rb7 e6 34.Kh2+–) 33.Ng5 (better 33.Rb8 Bf8 34.Ne5+–) 33...Rg5?? (33...Qg5 34.Rb8 Bf8 35.d5+–) 34.Rb5 (better 34.Bf7 Kf8 35.Ba2 Rg2 36.Kg2 Qg5 37.Kf1+–) 34...Bf6 (34...Bf8 35.Kh2+–) 35.Rg5 Qg5 36.Qb3 e6 37.Qb5 (37.d5 ed5 38.Bd5 Qe5+–) 37...Qh4 (37...Qb5 38.Bb5 e5 39.d5+–) 38.Qe8 (38.d5!? Qe4 39.de6 fe6 40.Qe8 Kg7 41.Be6 Kh6+–) 38...Kg7+– 39.Qd7 Qe4 40.Qb5 Qc2 41.Qb3 (41.g3 h6+–) 41...Qc1 42.Bf1 Qe1 43.Qd3 Bh4 44.Qe2 Qa1 45.g3 Be7 46.Kg2 h5 47.h4 Bf6 48.Qa6 Qb2 49.Qb5 Qc2 50.Bd3 Qc7 51.d5 ed5 52.Qd5 Qa7 53.Bc4 Bc3 54.Bb5 Qe7 55.Bc6 Qf6 56.Qf3 Qf3 57.Kf3 Kf6 58.e4 Ke7 59.Ke3 f6 60.Bb5 Be1 61.Ke2 Ba5 62.f4 Bc3 63.Kf2 Kf7 64.Be2 Bd4 65.Kg2 Kg7 66.g4 hg4 67.Bg4 Be3 68.Bf3 (68.Kg3 g5 69.fg5 fg5+–) 68...Bd2 (68...Bf4 69.h5=) 69.h5 (69.f5!?+–) 69...gh5 70.Bh5 Kf8 (better 70...Bf4!? 71.Be8 Kh6=) 71.Kg3 Ke7 ½–½. Koester,Roman – Nowik,Volker (2160), Oberliga NRW, 1995.

8.b5 cb5 9.cb5 a6 10.Qa4 Bf5 11.Nc3 Nc6 12.0-0 ab5 13.Qb5 Qb5 14.Bb5 Nb4.

8.b5 cb5 9.cb5 a6 10.Nc3 ab5 11.Bb5 Nc6 12.Qe2 Bf5 13.0-0 Rfc8.

8.b5 cb5 9.cb5 Bd7 10.Nc3 a6 11.0-0 ab5 12.Bb5 Bb5 13.Qb3 Nc6 14.Rfc1 Rfc8.

8.b5 cb5 9.cb5 Bf5 10.Nc3 a6 11.a4 Nc6 12.0-0 Na5 13.Bd3 Bd3 14.Qd3 Rfc8.

8.b5 Bf5 A) 9.Nc3 cb5 (9...a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 cb5 13.cb5 Nbd7 14.0-0 Rc8) 10.cb5 a6 11.0-0 ab5 12.Bb5 Nc6 13.a4 Rfc8 14.Qe2 Bh6; B) 9.a4 a6 (9...Nbd7 10.Nc3 a6 11.0-0 ab5 12.ab5 Rfc8 13.Nh4 Ra1 14.Ba1 Be6; 9...Ne4 10.Nbd2 Nd7 11.Ne4 Be4 12.0-0 Bf6 13.g4 g5 14.Bd3 d5; 9...a5 10.Nbd2 Nbd7 11.0-0 Rfe8 12.Qb3 cb5 13.cb5 Rac8 14.Rac1 d5; 9...Rd8 10.Nc3 Nbd7 11.0-0 Qa5 12.Ng5 h6 13.e4 hg5 14.ef5 gf5) 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 cb5 13.cb5 Nbd7 14.0-0 Rc8; C) 9.Nh4 Be6 (9...Bd7 10.a4 a6 11.Nc3 ab5 12.ab5 Ra1 13.Qa1 Bg4 14.Bg4 Ng4) 10.a4 a6 11.a5 Qd8 12.b6 d5 13.0-0 c5 14.dc5 Nc6; D) 9.Qb3 cb5 (9...Nbd7 10.Nbd2 a6 11.bc6 bc6 12.Nh4 Be6 13.0-0 Rab8 14.Bc3 d5) 10.Qb5 Nc6 11.Nc3 Nb4 12.0-0 Nd3 13.Rab1 Qb5 14.Nb5 Nb2; E) 9.0-0 a6 (9...cb5 10.cb5 a6 11.Nc3 ab5 12.Bb5 Nc6 13.a4 Rfc8 14.Qe2 Bh6) 10.Nc3 ab5 11.cb5 cb5 12.Bb5 Nc6 13.a4 Rfc8 14.Qe2 Bh6.

8.Bc3 Ne4+= 9.a3 Nc3 (9...a5!?+=) 10.Nc3= a5 11.c5 dc5 (11...Qc7 12.0-0=) 12.bc5+= Qc7 13.0-0 Nd7 14.Na4 b5 15.cb6 Nb6 16.Nb6 Qb6 17.Rb1 Qc7 18.Qc2 Ba6 (18...Bf5 19.Bd3 Bd3 20.Qd3+=) 19.Ba6 Ra6 20.Rfc1 Rc8 (20...Rb8 21.Rb8 Qb8 22.g3+=) 21.Qc4 Rb6 (21...Ra7 22.Qa4+/-) 22.h3 (22.Ng5 Rf8 23.Rb6 Qb6 24.Qc6 Qc6 25.Rc6 Rb8+/-) 22...Qb7? (better is 22...Rb1!? 23.Rb1 e5+=) 23.Rb6+– Qb6 24.Ne5 (better is 24.Ng5 Rf8 25.Qc6+–) 24...Be5= 25.de5 c5 26.Kh2 (26.Rd1!?=) 26...Qb2+= 27.Qc3 Qf2 28.Qa5 Attacking the isolated pawn on c5 (28.Rd1!?–/+) 28...Qe3 29.Qc3 Qc3 (29...Qf4!? 30.Kg1 Qa4–/+) 30.Rc3 e6 31.a4 Kg7 32.Kg3 f6 33.Kf4 Ra8 34.ef6 Kf6 35.Rc4 e5 36.Ke4 Ke6 37.g4? (37.Rc5 Ra4 38.Kf3 Rb4+=) 37...g5?? (better is 37...Kd6–+) 38.Rc5+= The isolani on e5 becomes a target 38...Ra4 39.Kd3 Ra3 40.Rc3?? (better is 40.Ke4=) 40...Rc3–+ 41.Kc3 Kd5 42.Kd3 e4 43.Ke3 Ke5 44.h4 gh4 45.g5 (45.Kd2 Kf4 46.Kc3 h3 47.Kb4 e3 48.Kc4 h2 49.g5 e2 50.Kd3 e1Q 51.Kc4 h1Q 52.Kc5 Qe5 53.Kb6 Qa8 54.g6 Qea5) 45...h3 46.Kf2 (46.Kd2 h2 47.Kc3 h1Q 48.g6 hg6 49.Kc4 e3 50.Kd3 Kf4 51.Kc3 e2 52.Kb4 e1Q 53.Kc5 Qb7 54.Kc4 Qd2 55.Kc5 Qdd5) 46...Kf4 47.Kg1 e3 48.Kh2 (48.Kf1 Kf3 49.Ke1 h2 50.Kd1 h1Q 51.Kc2 e2 52.Kb3 Qb1 53.Kc3 e1Q 54.Kd4 Qb5 55.g6 Qe3) 48...e2 49.Kh3 e1Q 50.g6 (50.Kg2 Qe2 51.Kh3 Qf2 52.g6 Qg3) 50...Qg3 0–1. knot15 – diderot, gameknot.com, 2015. (=1.d4 Nf6 2.e3 g6 3.Nf3 Bg7 4.Be2 0-0 5.b4 d6 6.Bb2 c6 7.c4 Qb6)

8.Nc3 Qb4 9.a3 Qb6 10.Rb1 Bg4 11.0-0 Nbd7 12.h3 Bf5 13.Bd3 Bd3.

8.a3 a5

9.0-0 ab4+= 10.c5 (10.Qb3 Na6 11.ab4 Bf5 12.b5 cb5 13.Nc3 b4 14.h3) 10...Qc7 11.ab4 (11.cd6 Qd6 12.Nbd2 ba3 13.Nc4 Qc7 14.Ra3) 11...Ra1 12.Ba1 Nd5 (12...Na6 13.Qa4 b5 14.cb6) 13.Qa4 (13.cd6 Qd6 14.Nc3) ½–½. Herzog,Ferdinand – Raubal,Martin (2205), AUT–chT2O, 1995.

9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Be6 12.Nbd2 Na6 13.Bc3 d5 14.c5 Qc7 15.0-0 Ne4 16.Ne4 (better is 16.Ra1+=) 16...de4–+ 17.Nd2?? (better is 17.Qc2 ef3 18.Bf3–+) 17…Bb3 (17...Bb3 18.Nb3 e5–+) 0–1. Fournier,Frederic – Guest3907520, Partie amicale, 3m + 2s, 2008.

9.c5 dc5 10.dc5 Qc7= 11.Nbd2 Bf5 12.0-0 Nbd7 13.Nd4 Rfd8 14.h3.

9.c5 dc5 10.dc5 Qd8 11.Nbd2 ab4 12.ab4 Ra1 13.Qa1 Na6.

9.c5 Qc7 10.Nc3 (10.cd6 ed6 11.Nc3 Bf5 12.0-0 Nbd7 13.Ng5 d5 14.g4) 10...Bf5 11.0-0 Nbd7 12.Qb3 b5 13.cd6 Qd6 14.ba5.

9.c5 Qd8 10.Nc3 Na6 11.0-0 b5 12.cd6 ed6 13.e4 Be6 14.ba5.

8.a3 c5

9.0-0 Na6 10.b5 cd4 11.ed4 Nc7 12.Nc3 Ne6 13.Qd2 Bd7 14.a4 Qa5.

9.0-0 Na6 10.dc5 dc5 11.b5 Rd8 12.Qb3 Nc7 13.Nc3 Qa5 14.Ne5.

9.0-0 cb4 10.ab4 Qb4 11.Bc3 Qb6 12.Nbd2 Bd7 13.Ba5 Qc6 14.Qb3 b6.

9.0-0 Bd7 10.Qd2 Nc6 11.bc5 dc5 12.Nc3 Na5 13.Rad1 Rad8 14.Bd3 e6.

9.0-0 Bf5 10.b5 a6 11.Nc3 ab5 12.Nb5 Nbd7 13.a4 cd4.

9.0-0 Bf5 10.Nc3 cb4 11.Na4 Qc7 12.ab4 Nc6 13.Qb3 a5 14.ba5 Na5.

9.0-0 Bg4 10.Nc3 cd4 11.ed4 Nc6 12.Re1 Rae8 13.c5 dc5 14.bc5 Qd8.

9.b5 cd4 (9...a6 10.Nc3 ab5 11.cb5 Bf5 12.0-0 Nbd7 13.Rc1 Qa7 14.Nh4 Be6; 9...Nc6 10.dc5 dc5 11.Nc3 Rd8 12.Qc1 Na5 13.Na4 Qc7 14.Be5 Rd6; 9...Bf5 10.Nc3 a6 11.0-0 ab5 12.Nb5 Nbd7 13.a4 cd4 14.Nfd4 Be4) 10.ed4 a6 11.Nc3 ab5 12.cb5 d5 13.0-0 Bf5 14.Qb3 Rc8.

9.Nc3 cb4 10.Na4 Qc7 11.ab4 Nc6 12.Qb3 a5 13.ba5 Na5 14.Qb6.

9.Nc3 cb4 10.Na4 Qc7 11.ab4 Nc6 12.Qb3 a5 13.ba5 Ra6 14.Qd1 Qa5.

9.Nc3 Bd7 10.Na4 Ba4 11.Qa4 Na6 12.b5 Nc7 13.Qc2 a6 14.ba6.

9.Nc3 Bd7 10.Qb3 a5 11.b5 cd4 12.ed4+=.

9.Nc3 Bd7 10.b5 a6 11.0-0 ab5 12.cb5 Bf5 13.Nh4 Be6 14.d5 Bc8.

9.Nc3 Bd7 10.b5 cd4 11.ed4 a6 12.0-0 Rc8 13.a4 ab5 14.ab5.

8.Ba3 a5

9.Qa4 Qc7 10.Nbd2 Bf5 11.b5 Nbd7 12.0-0 Rfe8 13.h3 c5 14.Qb3 cd4.

9.Qa4 Nbd7 10.Nbd2 Qc7 11.0-0 Nb6 12.Qb3 ab4 13.Bb4 Bd7 14.Bd3 Na4.

9.Qa4 Bf5 10.0-0 Nbd7 11.Nbd2 ab4 12.Qb4 Qa7 13.Bb2 Nb6 14.a4 Qa5.

9.Qa4 Bf5 10.c5 Qc7 11.cd6 ed6 12.Nc3 b5 13.Qb3 Be6.

9.Qa4 Bg4 10.h3 Bf5 11.Nbd2 Nbd7 12.0-0 ab4 13.Qb4 Qa6 14.Bb2 Nb6.

9.b5 cb5 (9...Bf5 10.Nc3 cb5 11.cb5 Nbd7 12.Rc1 Rfc8 13.Bd3 Bd3 14.Qd3 Qd8; 9...Be6 10.Nc3 cb5 11.Nb5 Na6 12.Ng5 Bf5 13.Bd3 Bg4 14.Qb3 a4; 9...Bg4 10.Nc3 cb5 11.cb5 Nbd7 12.0-0 Rfc8 13.Rc1 a4 14.h3 Bf5) 10.cb5 Nd5 11.0-0 Be6 12.Qd2 Nd7 13.e4 Nb4 14.Nc3 Rac8.

8.Qb3 Na6

9.a3 c5 10.b5 cd4 11.ed4 Nc7 12.0-0 Ne6 13.g3 Ng4 14.Qd3 a6.

9.Ba3 Qc7 10.0-0 c5 11.b5 Nb8 12.dc5 dc5 13.Bb2+=.

9.Ba3 Qd8 10.Nc3 Nc7 11.0-0 Bf5 12.Bb2 a5 13.a3 b6 14.h3 Qc8.

9.Ba3 Ne4 10.0-0 c5 11.b5 Nc7 12.Bd3 f5 13.Bb2 a6 14.ba6 Ra6.

9.Ba3 e5 10.de5 de5 11.Nc3 e4 12.Nd4 Rd8 13.Rd1 c5 14.Na4 Qc7.

9.Ba3 Be6 10.Nc3 Nc7 11.Ng5 a5 12.0-0 ab4 13.Bb4 h6 14.Ne6 Ne6.

9.Ba3 Bf5 10.Nc3 Qd8 11.0-0 Nc7 12.h3 a5 13.Nh4 ab4 14.Bb4 Bd7.

7.Be2 Qc7

8.0-0+= c5 9.a3=.

8.0-0 Re8 9.Nc3 e5 10.de5 de5 11.e4 Nbd7 12.Rc1 a5 13.a3 ab4 14.ab4 b6 15.Qb3 Nf8 16.b5 c5 (16...Ne6!?=) 17.Nd5+= Qb8 18.Bd3 Nh5 19.Ra1 Ra1 20.Ra1 Ne6 21.Qa3 Nef4 22.Bf1 Bg4 23.Nd2 Bh6 24.Qc3 Qd8 25.g3 Nd5 26.cd5 Bd2 27.Qd2 Bc8 28.Ra7 Bd7 29.Qc3 Nf6 30.f3 Qb8 31.Qa3 Bc8 32.Qa1 Qd6 33.Bc4 Nd7 34.Qc1 Qb8 35.Qa1 Qd6 36.Ra8 Qf8 37.Qc1 f6 38.f4 Qd6 39.Qe3 Rf8 40.Ra7 Kg7 41.fe5 fe5 42.Qg5 Re8 43.h4 Qb8 44.Ra1 h6 45.Qe3 Qd6 46.Bc1 Rh8 47.Bd2 Nf6 48.Ra7 Nd7 49.Ra8 h5 50.Bf1 Nf6 51.Ra7 Kf8 52.Qf2 Ke8+/- 53.Ra8 Kd7?? 54.Bh3+– Kc7 55.Bg5 Nd7 56.Qa2 Rf8 57.Bd7 Kd7 58.Ra7 Ke8 59.Re7 Qe7 60.Be7 Ke7 1–0. Galyga,Zbigniew (2175) – Bebel,Arkadiusz (2185), III Brama Lubawska – OPEN A, Poland, 2008. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c6 7.c4 Qc7)

8.0-0 Bg4 9.Nbd2 Nbd7 10.h3 Bf3 11.Nf3 e5 12.Qc2 Rfe8 13.a4 a5 14.ba5 Ra5 15.Bc3 Ra7 16.Rfb1 c5 (16...ed4!? 17.ed4 Ne4=) 17.de5 de5 18.a5 Nb8 (18...e4!? 19.Nd2 Bf8+=) 19.Rb5+/- Nfd7 20.Nd2 f5 21.Qb2 b6 (better is 21...Nc6!?+=) 22.Bf3+– Re7?? (better is 22...ba5 23.Rba5 Ra5 24.Bd5 Kh8 25.Ba5 Qd6+–) 23.Bd5 Kf8 24.ab6 Ra1 25.Qa1 Qd6 26.b7 Nf6 (26...Re8 27.Qb2+–) 27.Qa7 Nd5 (27...Nfd7 28.Nb3 e4 29.Bd2+–) 28.cd5 Qd7 (28...Kf7 29.Nc4 Qd5 30.Rc5 Qd8+–) 29.Qb8 Re8 30.Qe8! (30.Qe8 Qe8 31.b8Q Qb8 32.Rb8 Ke7 33.Nc4+–) 1–0. Soppe,Guillermo (2430) – Azvalinsky,Alejandro, Buenos Aires GP1, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 c6 7.Be2 Qc7)

8.0-0+= Nbd7

9.Nc3 c5+=.

9.Nc3 e5 10.Qc2 Re8 11.Bd3 (11.Rad1 e4 12.Nd2 d5+=) 11...a6 (11...ed4 12.Nd4 Ne5 13.Rfd1=) 12.a4 Nf8 13.de5 de5 14.Rfe1 (14.c5 a5 15.b5 Ne6=) 14...Bg4 (14...Qe7 15.e4=) 15.Ng5 h6 (15...a5 16.b5=) 16.Nge4+= Ne4 17.Ne4 f5 18.Ng3 e4 19.Bf1 Bb2 20.Qb2 f4 21.ef4 Qf4 22.h3 Bd7 (22...Bf5 23.c5+=) 23.Qd4 Bf5 24.c5 Rad8 25.Bc4 Ne6? (better is 25...Kh7 26.Qc3 Nd7+=) 26.Qf6+– Rd2? (26...Rd5 27.Bd5 cd5+–) 27.Ne4! Rd4 (27...Be4 28.Be6 Double attack (28.Qf4 Pinning; 28.Qf4 Deflection; 28.Qf4 Decoy; 28.Be6 Overloading)) 28.Qd4 (28.Qd4 Rf8 29.Qd7+–) 1–0. DEFFM – olma, freechess.org, 2018.

9.c5 d5 (9...b6 10.cd6 Qd6 11.a3=) 10.Nbd2 Re8 (10...b6 11.a4+=) 11.h3 (11.a4 Rb8+=) 11...h6 (11...b6 12.Rc1+=) 12.Bd3 (12.a4 b6+=) 12...g5 (12...b6 13.a4+=) 13.Ne5 (13.Qc2 b6+=) 13...Ne5 14.de5 Ne4 (14...Nd7 15.f4+=) 15.f4 (15.Ne4 de4 16.Be4 a5+/-) 15...Nd2 (15...Ng3 16.Rf2=) 16.Qd2+= f6 (16...g4 17.h4+=) 17.Qc3 (17.ef6 ef6 18.Bg6 Re7+=) 17...Rf8 (17...g4 18.hg4 Bg4 19.Qe1+=) 18.Bc2 (18.fg5 hg5 19.ef6 Bf6+=) 18...gf4 (18...g4 19.Qd3 f5 20.hg4+/-) 19.ef4 (19.Qd3 fe5 20.Qh7 Kf7 21.Rf4 Ke8 22.Bg6 Kd8 23.Qg7 Re8 24.Be5 Qe5 25.Qe5 a5 26.Be8 Ke8 27.Qh8 Kd7 28.Rf7 Ke6 29.Qg7 ab4 30.Re7 Kf5 31.g4) 19...f5 (19...fe5 20.fe5 e6 21.Qg3+–) 20.a4 Be6 (20...a5 21.Rad1+/-) 21.Qe3 a6 22.Bd4 Qd7 23.Bd3 Kh8 24.Qf2 Bg8 25.Kh2 e6 26.Ra2 Rfc8 27.Rg1 Bh7 28.Qc2 Qf7 29.Qc1 h5 30.g3 Bh6 31.Qf1 Rg8 32.Be2 Bg6 33.Bd3 Qh7 34.Qf2 Bf8 35.h4 Qf7 36.Rga1 Bg7 37.Qe2 Kh7 38.Kg2 Kh6 39.Kf2 Rgb8 40.Qd2 Qe8 41.Ke3 Bf8 42.Qc2 Qc8 43.Rb1 Be8 44.Be2 Be7 45.Rab2 Bd7 46.Rg1 Qg8 47.Kd2 Qe8 48.Rb3 Qf7 49.Rc1 Bd8 50.Qd1 ½–½. Poenisch,Eckehard (2210) – Missbach,Bernd, Oberliga Ost–A, 2001.

9.Nbd2 a5 10.b5 a4 11.a3 (11.bc6 bc6 12.Qc2 Nb6=) 11...b6 (11...c5 12.Qc2=) 12.Nb1 (12.bc6 Qc6 13.Ng5 Bb7+=) 12...cb5 13.cb5 Bb7 14.Nc3 Ne4 15.Na4 (15.Rc1 Nc3 16.Rc3 Qd8+=) 15...Rfc8 (15...Bd5 16.Rc1 Qb7 17.Ne1=) 16.Rc1 Qb8 (16...Qd8 17.Rc8 Bc8 18.Bd3+=) 17.Qb3+= Qa7 (17...e6 18.Rc8 Qc8 19.Rc1+=) 18.Rc8+/- Bc8 19.Rc1 Ndf6 20.Nc3 e6 21.Ne4 Ne4 22.Ne1 d5 23.Nc2 Qe7 24.Bf3 (24.f3!? Nd6 25.Nb4+/-) 24...Bb7 (24...Nd2 25.Qd3 Nf3 26.gf3 Qg5 27.Kh1+=) 25.Nb4 (25.Be4 de4 26.Nb4 Qd6+=) 25...Qd6 (25...Nd2 26.Qd1 Nc4 27.Qb3=) 26.Nc6 (better is 26.Be2+/-) 26...Nf2?? (better is 26...Nd2 27.Qb4 Nf3 28.gf3 Bf8=) 27.Kf2+– Qh2 28.Qd1 Rf8 (28...Bf6 29.Qd2+–) 29.Qh1 Qd6 (29...Qh1 30.Rh1 Bf6 31.Rc1+–) 30.Qh4 f6 31.Rh1 h6 32.Bg4 (32.Qg3!? Qg3 33.Kg3 Re8+–) 32...Bc6 33.bc6 1–0. Zarubitski,Viachaslau (2185) – Semjonovs,Ilja (1875), Batumi GEO, 2014. (=1.Nf3 d6 2.d4 Nf6 3.c4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c6 7.Be2 Qc7)

9.Nbd2 e5 10.Qc2 Re8 11.de5 de5 12.e4 Nf8 13.h3 Nh5 14.Rfe1 Nf4 15.Bf1 h6 16.c5 Be6 17.Nc4 The pressure on e5 grows 17...Bc4 18.Bc4 g5 19.Rad1 Bf6 20.Rd6 Kg7 21.Red1 N4g6 22.Qb3 Re7 23.Nh2 Nd7 24.Ng4 h5? (24...b5 25.Bf7! Ngf8+–) 25.Ne3 (25.Nf6?! Nf6 26.Qf3 Nf4 27.Rf6 Kf6+–) 25...Nh4 26.g3 Nf3 27.Kg2 Nd4 28.Bd4 ed4 29.Nf5 Kf8 30.Ne7 Be7 31.R6d4 Ne5 32.Be2 h4 33.f4 gf4 34.gf4 Ng6 35.e5 b6 36.Bh5 bc5 37.Bg6 fg6 38.Rd7 Qb6 (38...Qb8 39.Qe3 Qe8+–) 39.Qe6 Re8 40.Qg6 cb4 (40...Qa6 41.Qh6 Kg8+–) 41.e6 (41.e6 Qf2 42.Kf2 Bc5 43.Kf3 Re7 44.Rd8 Re8 45.Re8#) 1–0. Garcia Corada,P – Garcia del Campo,LA, Valladolid CC Social, 1991. (=1.Nf3 Nf6 2.c4 d6 3.b4 g6 4.Bb2 Bg7 5.d4 0-0 6.e3)

7.Be2 d5

8.0-0 a5 9.b5 (9.ba5 Qa5 10.c5 Ne4 11.Nfd2 Nd2 12.Nd2 Nd7 13.Nb3=) 9...Bf5 (9...cb5 10.cb5 Bf5 11.Nbd2 Nbd7 12.Rc1 Rc8 13.Nh4+=) 10.Nc3 cb5 11.Nb5 Nc6 12.Rc1 Rc8 13.cd5+=.

8.0-0 dc4 9.Bc4 Qd6 10.Qb3 b5 11.Bd3 Be6 12.Qa3 a5 13.ba5+=.

8.c5 a5 A) 9.Qb3 b6 10.cb6 Qb6 11.Ba3 Ne4 12.Nbd2 Nd2 13.Nd2=; B) 9.Qa4 Ne4 10.Nfd2 Na6 11.Ne4 de4 12.Ba6 ab4 13.0-0=; C) 9.Bc3 ab4 10.Bb4 Ne4 11.Nbd2 Na6 12.Qb1 Bf5 13.Ne4+=; D) 9.a3 ab4 10.ab4 Ra1 11.Ba1 b6 12.0-0 Bg4 13.Nc3=; E) 9.b5 cb5 10.Bb5 Bd7 11.Nc3 Bb5 12.Nb5 Nc6 13.0-0=; F) 9.ba5 Ne4 10.Qc1 Qa5 11.Nfd2 e5 12.0-0 Nd2 13.Nd2=.

8.Nbd2 a5 A) 9.b5 dc4 (9...a4 10.Rc1 cb5 11.cb5 Bf5 12.Ba3 Nbd7 13.Nh4+=; 9...Bd7 10.0-0 dc4 11.bc6 Nc6 12.Bc4 a4 13.Rc1+=) 10.Bc4 Ne8 11.Ne4 Bf5 12.Ng3 Bd7 13.bc6=; B) 9.cd5 Nd5 10.ba5 Qa5 11.0-0 Rd8 12.Qb3 Nd7 13.Rfb1=; C) 9.ba5 Ra5 (9...Qa5 10.0-0 Bf5 11.Qb3 Nbd7 12.Rfc1 b6 13.Bc3+=) 10.0-0 b6 11.c5 Nbd7 12.cb6 Qb6 13.Bc3+=.

8.Nbd2 Na6 9.a3 (9.b5 cb5 10.cb5 Nc7+=) 9...Nc7= 10.0-0 Bg4 (10...Bf5 11.Nh4 Be6 12.c5=) 11.h3+= Bf3 12.Bf3 Ne6 13.a4 White plans b5 (13.Qc2 Qd7+=) 13...Ng5 14.Be2 Nfe4 15.Ne4 Ne4 (worse 15...de4 16.Qc2+–) 16.Qc2 e6 (16...Qd7 17.Rfe1+=) 17.b5 (17.Bd3 Nd6+=) 17...Qh4 (17...Rc8 18.Bd3 Qh4 19.c5+=) 18.Bd3 (18.cd5 cd5 19.Rac1+=) 18...g5 (18...Rac8!?=) 19.bc6 bc6 20.Ba3 (20.Rab1 Rfb8+–) 20...Rfe8 21.Be4 (21.f3 Ng3 22.Rfe1 e5 23.de5 d4+=) 21...Qe4+= (worse 21...de4 22.Rab1+–) 22.Qe4 de4 23.Rab1 Bf8 (23...Rab8 24.Kh2+=) 24.Bf8+= Kf8 25.Rb7 Re7 26.Rfb1 Rae8 (26...Rd8 27.Kh2+=) 27.a5 h5 28.Kf1 (28.a6 Rd8+=) 28...Rd8 29.Ke2 Red7 (29...Ke8 30.a6+–) 30.f3 (30.a6 Ke8+=) 30...ef3 (30...c5 31.fe4 cd4 32.R1b5+=) 31.Kf3+– f5 (31...Ke7 32.a6+–) 32.h4! gh4 33.Kf4 Ke7 (33...Rg7 34.Rg7 Kg7 35.Kg5+–) 34.Ke5 Rg8 35.Rd7 Kd7 36.Rb7 Kc8 37.Rh7 Rg2 38.Kd6 1–0. Martinez Duany,L (2490) – Bazan Solera,M (1880), 27th Gros Open, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 c6 7.Be2 d5)

8.Nbd2 dc4 9.Nc4 b5 (9...Nd5 10.a3 Bf5 11.0-0 Nd7 12.Nh4 Be6 13.Qc2+=; 9...Bf5 10.0-0 Nbd7 11.Rc1 Rc8 12.Qb3 Be6 13.Qa3+=; 9...Na6 10.a3 Nc7 11.Bd3 Ncd5 12.0-0 Bg4 13.Rc1+=; 9...Nbd7 10.0-0 Nb6 11.a3 Bf5 12.Rc1 Nfd5 13.Ncd2+=; 9...Qd5 10.Nce5 Qd6 11.Qa4 Nbd7 12.b5 cb5 13.Qb5+=) 10.Nce5 a5 11.Qc1 Qd6 12.ba5 Ra5 13.0-0=.

8.Nbd2 Nbd7 9.Qb3 Nb6 10.a4 dc4 11.Nc4 Be6 12.a5 Nc4 13.Bc4 Bc4 14.Qc4 Qd5 15.Rc1 Rfd8 16.0-0 e6 (16...Rac8 17.a6 b5 18.Qc2=) 17.Rc2 Bf8 18.Rfc1 a6 19.Ne5 Rac8 20.Nd3 Rc7 21.Nc5 Bh6 22.Qe2 Bg5? (22...Qg5 23.e4+=) 23.Bc3 (23.e4 Qd6 24.e5 Qf8 25.ef6 Bc1 26.Rc1 Rd5+–) 23...h5? (23...Ne4 24.Ne4 Qe4 25.Bb2=) 24.Be1 Re8 25.Nd3 Qd8 26.f3 Nd5 27.Bf2 Qe7 28.Rb1 Kg7 29.Kh1 Rh8 30.Rc5 Bh6 31.Bg3 Rcc8 32.e4 Nc7 33.Ne5 Nb5 34.Nc4 h4 35.Be1 Rhd8 36.Nb6 Rc7 37.Qb2 Be3 38.Rc4? Bd4–+ 39.Qb3 Bb6 40.ab6 Rcd7 41.Qb2 Kg8 42.e5 Rd1 43.Rcc1 Rc1 44.Qc1 Nd4 45.Bd2 Rd5 46.Bg5 Qd7 47.Bf6 Nf5–/+ 48.Qe1 Rd4 49.Qe2? Rd2–+ 50.Qe1 Rd4 51.g4?? hg3!–+ 52.hg3 Qd5 53.Kg2 Rd2 54.Kg1 Qa2 55.Rd1 Rg2 56.Kf1 Ng3 57.Qg3 Qe2# (57...Rg3?? 58.Rd8 Kh7 59.Rh8#) 0–1, Laske,Erich – Alge,Karin, Lichtenstein, 1997. (=1.Nf3 g6 2.d4 Nf6 3.c4 d6 4.b4 Bg7 5.Bb2 0-0 6.e3)

8.Nbd2 Bf5 9.0-0 a5 10.ba5 Qa5 11.Qb3 Nbd7 12.Rfc1 b6 13.Bc3+=.

8.Nbd2 Bf5 9.0-0 Na6 10.a3 Nc7 11.cd5 Ncd5 12.Nh4 Bc8 13.Nc4+=.

8.Nbd2 Bf5 9.0-0 dc4 10.Nc4 Nd5 11.Qb3 b5 12.Nce5 Be6 13.a3+=.

8.Nbd2 Bf5 9.0-0 Nbd7 10.cd5 cd5 11.Qb3+=.

8.Nbd2 Bf5 9.0-0 Nbd7 10.Nh4 Be6 11.c5 b6 12.Qc2 a5 13.cb6 +=.

8.Nbd2 Bf5 9.0-0 h5 10.Ne5 (10.Rc1 Nbd7+=) 10...Nbd7 11.Ndf3 (11.cd5 cd5 12.Rc1 Qb6+=) 11...e6 (11...a5 12.Nd7 Bd7 13.b5=) 12.Rc1 Ne4 (12...Ne5 13.Ne5 a6 14.h3=) 13.h3 (13.Nd7 Qd7 14.Ne5 Qd6+=) 13...f6 (13...dc4 14.Bc4 Qe7 15.Nd7 Qd7 16.Qe2=) 14.Nd7+= Qd7 15.Nh4 Kf7 (15...a5 16.cd5 cd5 17.ba5 Ra5 18.a3+=) 16.cd5 (16.Nf5 ef5 17.Qa4 Rfd8+–) 16...ed5 (16...cd5 17.Bd3+=) 17.b5 Rac8 (17...cb5 18.Nf5 Decoy) 18.bc6 bc6 (18...Rc6 19.Rc6 bc6 20.Bh5+–) 19.Nf5 (19.Ba3 Rg8+–) 19...Qf5 20.Bd3 Qe6 21.Qa4 Kg8 (21...Rc7 22.Bc3+–) 22.Be4 (22.Qa7?! Ra8 23.Qc7 Rfc8=) 22...de4 23.Rc5 f5 (23...Rfd8 24.Rfc1+– (24.Qa7?! Ra8 25.Qc7 Rdc8=)) 24.Rfc1 f4 (24...Rfd8 25.Qa6 Qf7 26.Bc3+–) 25.Rc6+– Rc6 26.Rc6 (26.Qc6?! Qa2 27.Rc2 fe3 28.fe3 Qb1 29.Bc1 Kh7=) 26...Qf5 27.Qc4 (27.ef4 Qf4 28.Qc2 Kh7+–) 27...Kh8 28.Qc5 (28.ef4 Qf4 29.Qe2 Kh7+–) 28...Qf7 (28...Qc5!? 29.Rc5 Rb8+–) 29.Rc7+– Qf6 30.Qe7 (30.Kh2 fe3 31.fe3 Rf7 32.Ra7 Ra7 33.Qa7 Qf2+–) 30...Qe7 31.Re7 fe3 (31...Rb8 32.Ba3 Rb1 33.Kh2+–) 32.fe3+– Rb8 33.Ba3 a5 (33...Rb1 34.Kh2 Ra1 35.Re4 (worse 35.Ra7 Ra2 36.Bc5 Re2+=) 35...Ra2 36.Bc5+–) 34.Re4 Rb1 35.Kh2 (35.Kf2 Ra1 36.Re8 Kh7+–) 35...Ra1 36.Bc5 Ra2 37.Re8 Kh7 38.Re7 (better 38.Kg3 Rc2 39.Kf3+–) 38...Rc2? (better 38...Kh6!?+–) 39.Ra7+– a4?? (39...Kg8 40.Ra5 Rc3+–) 40.Bf8 1–0. Kamer,Kayra (2160) – Korkmaz,T (1865), Turkish Cup (3), 2017.

8.Nbd2 Bg4 9.c5 (9.0-0 Nbd7 (9...Bf5 10.Rc1 dc4 11.Nc4 Nbd7 12.Qb3 Be6 13.Qc2+=; 9...h6 10.c5 Qd7 11.h3 Bf5 12.Nh4 Be4 13.Ne4+=) 10.a3 a5 11.Qb3 Ne4 12.Bd3 dc4 13.Qc4=; 9.Rc1 Na6 (9...Qd6 10.a3 Nbd7 11.0-0 Rfd8 12.cd5 Qd5 13.Bc4+=; 9...dc4 10.Nc4 Nbd7 11.0-0 Nb6 12.Nce5 Bf5 13.b5+=; 9...b6 10.0-0 Qd6 11.Qa4 a5 12.Ba3 Ne4 13.Bd3+=) 10.cd5 Nb4 11.dc6 Nc6 12.0-0 Rc8 13.Qa4+=) 9...Nbd7 (9...b6 10.0-0 a5 11.b5 cb5 12.Bb5 Ne4 13.c6=; 9...Qc8 10.0-0 Qe6 11.h3 Bf3 12.Nf3 Ne4 13.Nd2+=) 10.a3 (10.0-0 Qc7 11.h3 Bf3 12.Nf3 Ne4 13.Bd3=) 10...Re8 (10...b6 11.0-0 a5 12.h3 Bf5 13.Nh4=) 11.h3 Bf3 12.Nf3 Ne4 13.Bd3 (13.0-0=) 13...e5 14.0-0 Qc7 15.Qb3 (15.Be4 de4 16.Ne5 Ne5 17.de5 Be5 18.Be5 Re5=) 15...h6 (15...f5 16.Rad1=) 16.Rad1 Rad8 17.Be4 de4 18.Nd2 ed4 19.ed4 (19.Bd4 Bd4 20.ed4 Nf6+=) 19...b5 20.f3?? (better is 20.a4 ba4 21.Qa4=) 20...e3–+ 21.Rde1 ed2 22.Rd1 Qf4 23.Qd3 Ne5! 24.Qd2 Qd2 25.Rd2 Nc4 26.Rc2 Nb2 27.Rb2 Bd4 (27...Bd4 28.Rff2 Re1 29.Kh2 Bf2 30.Rf2 Ra1–+) 0–1. Nguyen Van Thanh – Tran Minh Duc, Nam THCS Dong Thap, 2000.

7.Be2 Nbd7

8.0-0 Qc7 9.Nc3 e5 10.Re1 e4 (10...Re8 11.Qc2+=) 11.Nd2+= d5 12.Rc1 Qd6 13.a3 Re8? (13...a6 14.f3 Bh6 15.f4=) 14.f3 (14.cd5 Nd5 15.Nde4 Qe6+-) 14...Nf8 (14...ef3 15.Bf3 Bh6 16.e4 Bd2 17.Qd2 dc4 18.Qf2+=) 15.fe4 (15.cd5!? Nd5 16.Nde4+/-) 15...Ne4 16.Nde4 de4 17.Rf1 f5 18.Qc2 Be6 19.d5 cd5 20.Nd5 Bd5 21.Bg7 (21.cd5 Rac8 (21...Qd5?? 22.Bc4 Qe6 23.Be6 Ne6 24.Bg7 Kg7 25.g4+-) 22.Qb3 Bb2 23.Qb2 Qd5 24.Rc8 Rc8+=) 21...Kg7 22.Rfd1 Rac8 23.Rd5 Qf6 24.Qd1 White prepares the advance c5 24...Ne6 25.Rd7 Re7 26.c5 Ng5 (26...Rc7 27.Rd6+=) 27.Rc2 (27.Qa4 a6+=) 27...Rce8 (better 27...Nf7+=) 28.Rcd2 (28.Rd6 Ne6+/-) 28...Rd7 (better 28...Qc3!? 29.Kf1 Qe3 30.Re7 Re7-/+) 29.Rd7+= Re7 30.c6 (30.Re7!? Qe7 31.Qa4+=) 30...bc6= 31.Bc4 Nf7 32.Rd6?? (32.Bf7 Rf7 33.Rd4 h6=+) 32...Qb2 (better 32...Nd6 33.Be2 Nb5 34.Bb5 cb5-+) 33.Rd4? (better 33.Bf7 Rf7 34.Rd7=+) 33...Qa3 34.Bf7 (34.Qd2 Ne5 35.Be2 Rb7-+) 34...Qe3 35.Kh1 Kf7 36.Rd7 (36.Qa1 Qf4-+) 36...Rd7 37.Qd7 Kf6 38.Qd6 (38.Qd8 Ke5 39.Qe7 Kd5-+) 38...Kg5 39.Qg3 (39.Qd8 Kg4 40.Qd1 Kh4 41.Qa1-+) 39...Qg3 40.hg3 e3 41.Kg1 Kg4 42.Kf1 Kg3 43.Ke2 h5 (43...f4!? 44.Kd3 Kg2 45.Ke4-+) 44.b5 h4 (better 44...cb5 45.Ke3 h4-+) 45.bc6= Kg2?? (better 45...h3 46.gh3 f4=) 46.c7+- h3 (46...Kg3 47.c8Q Kg4 48.Qc4 Kg5 49.Kf3+-) 47.c8Q h2 48.Qc5 (better 48.Qc6 Kh3 49.Qf3 Kh4 50.Qf4 Kh5 51.Qh2 Kg5 52.Ke3+-) 48...h1Q= 49.Qe3?? (better 49.Qc6 Kg1 50.Qc1 Kh2 51.Qc7 Kh3 52.Qh7 Kg2 53.Qg6 Kh2 54.Qd6 Kg1 55.Qd1 Kg2 56.Qd5 Kg1 57.Qd1 Kg2 58.Qd5 Kg1 59.Qd1=) 49...Qg1 (better 49...Qf1 50.Kd2 Qf2 51.Qf2 Kf2-+) 50.Qf3 Kh2 51.Qf2 (51.Qc3-+) 51...Qg2 52.Qg2 Kg2 53.Ke1 a5 54.Ke2 a4 55.Kd2 a3 56.Kc2 a2 57.Kb2 f4 58.Ka1 f3 59.Ka2 f2 60.Kb3 f1Q (60...g5 61.Kc3 g4 62.Kb3 g3 63.Kb4 Kf3 64.Kb3 g2 65.Kc3 g1Q 66.Kb2 f1Q 67.Kc3 Qc5 68.Kb2 Qe2 69.Kb3 Qec2) 61.Kb4 Qf4 62.Kc5 Kh3 63.Kc6 g5 64.Kb7 (64.Kb6 Qd6 65.Ka7 g4 66.Kb7 g3 67.Ka7 g2 68.Ka8 Qd8 69.Kb7 g1Q 70.Kc6 Qgb6) 64...g4 65.Kc6 (65.Kb6 g3 66.Kb7 g2 67.Kb6 g1Q 68.Kb5 Qf5 69.Ka6 Qgc5 70.Kb7 Qfc8) 65...g3 66.Kb5 (66.Kd5 g2 67.Ke6 g1Q 68.Kd5 Qf5 69.Kc4 Qgc5 70.Kb3 Qfc2) 66...Qf3 (66...g2 67.Kc5 g1Q 68.Kb5 Qf5 69.Ka6 Qgc5 70.Kb7 Qfc8) 67.Kb6 (67.Kc4 Qe4 68.Kb5 g2 69.Kc5 g1Q 70.Kb5 Qgb1 71.Kc5 Qbb4) 67...Qe2 (67...g2 68.Kc5 g1Q 69.Kc4 Qc1 70.Kb5 Qcc6 71.Kb4 Qfc3) 68.Kc7 (68.Kc5 g2 69.Kb4 g1Q 70.Ka5 Qc5 71.Ka4 Qec4) 68...Qd1 (68...g2 69.Kb7 Qe7 70.Kc6 g1Q 71.Kb5 Qgc5 72.Ka4 Qb4) 69.Kc6 (69.Kb6 g2 70.Kc6 g1Q 71.Kb5 Qd5 72.Ka6 Qa1 73.Kb6 Qaa5) 69…Qc1 (69...Qc1 70.Kb5 g2 71.Kb6 g1Q 72.Kb7 Qg2 73.Ka6 Qcc6 74.Ka5 Qd2; 69...g2 70.Kb5 Qd3 71.Kc5 g1Q 72.Kc6 Qgg6 73.Kb7 Qga6 74.Kc7 Qdd6) 0-1. negrovich1 (1915) - heel (2125), Rated Bullet game, lichess.org, 2015. (=1.Nf3 d6 2.c4 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c6)

8.a4 d5!?=.

8.a4 e5 9.de5+= Ng4 10.0-0 (10.Qd6!? Nde5 11.Qd8 Rd8 12.Ne5 Ne5 13.Bd4+/-) 10...Nde5+= 11.Ne5 Ne5 12.Nd2 Be6 13.f4 (better is 13.Bd4!?+=) 13...Nc4+= 14.Nc4 Bc4 15.Bg7 Be2 16.Qe2 Kg7 17.f5 f6 18.Qg4 Qe7 19.Rae1 Rae8 20.h4 Qe4 21.Rf4 Qd3 (21...Qe5–/+) 22.e4 (22.fg6 hg6 23.Qd7 Kh8+=) 22...d5 (better is 22...Qd4!? 23.Kh2 Re5–+ (worse is 23...Qb4 24.fg6 f5 25.Qg3–/+)) 23.fg6= hg6 24.h5 g5 25.e5 Kh8 26.Rf3 Qh7 27.e6= Qg8? 28.Rfe3 f5= 29.Qd4 Qg7 30.Qc5 f4 31.Re5 f3 32.gf3 g4 33.h6 Qh6 34.fg4 Rf4–+ 35.R1e2 Rg4 36.Kf2 Qh2 37.Ke1 Qg3 38.Kd2 Qf4 39.Ke1?? Qb4 40.Qb4 Rb4 41.Rg5 Re4 42.Re4 de4 43.Re5 Kg7 44.Re4 Kf6 45.Kd2 Re6 46.Rf4 Ke7 47.Kc3 Kd6 48.Rh4 Kc7 49.Kb4 Re5 50.a5 Rb5 51.Ka4 Rb1 52.Rh7 Kd6 53.Rh6 Kd5 54.Rh5 Ke4 55.Rh4 Kf5 56.Rh7 Kg4 57.Ka3 Kf4 58.Ka4 c5 59.Rh4 Ke5 60.Rh5 Kd4 61.Rh4 Kd3 62.Rh3 Kd2 63.Rh2 Ke3 64.Rh3 Kf4 65.Rh5?? b6 66.Rd5 Ke4 67.Rh5 Ra1 68.Kb3 Ra5 69.Rh4 Kd5 70.Rh5 Kc6 71.Rh6 Kb5 72.Rh4 Ra1 73.Kc3 a5 74.Kb2 Rf1 75.Rh5 a4 76.Ka3 Rf3 77.Ka2 Kb4 78.Rh2 b5 79.Rb2 Rb3 80.Rg2 c4 81.Rg5 Re3 82.Rg2 c3 83.Rc2 Rd3 84.Rc1 Rd2 85.Kb1 Kb3 86.Re1 c2 87.Kc1 Rd1! 88.Rd1 cd1Q 89.Kd1 Kb2 90.Kd2 b4 (90...b4–+) 0–1. Felicione,Anthony – Muhammad,Stephen A (2375), Internet Section, 2004.

8.Nc3 Nb6 9.0-0 A) 9...Bf5 10.Qb3 (10.Bd3 d5 11.cd5 Bd3 12.Qd3 cd5 13.Rac1 Rc8 14.Ne5 Nc4 15.Qe2; 10.Rc1 a5 11.b5 a4 12.a3 Be6 13.Nd2 Qc7 14.d5 Bd7 15.dc6; 10.h3 d5 11.c5 Nc4 12.Qb3 Nb2 13.Qb2 Qc7 14.Nh4 Be6 15.Nf3) 10...a5 11.a4 ab4 12.Qb4 Nbd7 13.a5 Qc7 14.Rfd1 Rfe8 15.Nh4; B) 9...a5 10.b5 a4 11.Bd3 Be6 12.Qe2 a3 13.Bc1 d5 14.c5 Nc4 15.Rb1. C) 9...Bg4 10.a4 (10.Nd2 Be6 11.Qb3 a5 12.a3 Qc7 13.h3 Ra7 14.b5 a4 15.Qc2; 10.e4 a5 11.b5 cb5 12.cb5 Rc8 13.h3 Bf3 14.Bf3 Nc4 15.Qe2; 10.Qb3 a5 11.a3 Bf5 12.h3 Qc7 13.d5 Ne4 14.Ne4 Bb2 15.Qb2; 10.a3 a5 11.Qb3 Bf5 12.h3 Qc7 13.d5 ab4 14.ab4 Ne4 15.Ne4) 10...a5 11.b5 Bf3 12.gf3 Rc8 13.Qb3 c5 14.d5 Qd7 15.Kg2. D) 9...Re8 10.e4 (10.Qb3 Bf5 11.a4 a5 12.b5 Qc7 13.h3 Rf8 14.Rfd1 Rad8 15.d5; 10.a4 d5 11.Ne5 Be6 12.cd5 Nbd5 13.Nd5 Qd5 14.f3 Qd6 15.b5; 10.h3 d5 11.cd5 Nbd5 12.Ne5 Nc3 13.Bc3 Nd5 14.Rc1 Be6 15.Bd2) 10...a5 11.Qb3 ab4 12.Qb4 Nbd7 13.e5 Nh5 14.Ne4 de5 15.de5. E) 9...d5 10.cd5 (10.c5 Nc4 11.Bc4 dc4 12.Ne5 Be6 13.Qe2 Nd5 14.Nc4 Nb4 15.a3) 10...Nbd5 11.Ne5 Qd6 12.Nc4 Nc3 13.Bc3 Qc7 14.Qc2 Rd8 15.Bd3.

8.Nc3 Nb6 9.a4 d5 10.c5 Nbd7 11.b5 e5 12.a5 ed4 13.ed4 Ne4 14.Qc2 Ng5 15.0-0 Nf3 16.Bf3 Bd4 17.a6 Nc5 18.ab7 Bb7 19.bc6 Bc6 20.Rfd1 Ne6 21.Ra6 Rc8 22.Qb3? (better is 22.Qd2–/+) 22...Qh4–+ 23.g3 Qf6 24.Rd3 Rb8 25.Qa2 (25.Qc2 Rfc8 26.Qe2 Qf5–+) 25...Qe5 (better is 25...Qf5!? 26.Rd4 Nd4 27.Bg2–+) 26.Ba1 Rfc8 27.Kg2 Rb4 (27...Bb7!? 28.Ra3 Bc3 29.Bc3–+) 28.Rc6 Rc6 29.Nd5 Rb7 (29...Ba1?! 30.Ne7 Kg7 31.Nc6=) 30.Re3 Qd6 (worse is 30...Ba1 31.Re5 Be5 32.Nf6 Bf6 33.Bc6=) 31.Nf6? (better is 31.Bd4!? Nd4 32.Qa1+=) 31...Bf6–+ 32.Bf6 Nf4?? (better is 32...Ra6 33.Qe2 Rbb6–+) 33.gf4+/- Qf6 34.Qa4?? Rbc7–/+ 35.Bc6 Qc6 36.Qc6 Rc6 37.Re7 a6 38.Ra7 Kg7 39.Kf3 Kf6 40.Ke4 Rd6 41.h3 Rb6 42.Kf3 h5 43.Ke4 Rb4 44.Kd5 Rf4 45.Ra6 Kg5 46.Ra2 Kh4 47.Ke5 g5 48.Re2 f6 49.Ke6 Kh3 50.Kf7 Kg2 51.Kg6 h4 0–1. Laske,Erich (2120) – Balinov,Ilija (2360), Graz op, 1996. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.d4 Nbd7)

8.Nc3 Nb6 9.Qb3 d5 10.cd5 (10.c5 Nc4 11.Bc4 dc4 12.Qc4 Be6 13.Qe2 Nd5 14.Nd5 Qd5 15.e4) 10...Nfd5 11.0-0 Nc3 12.Bc3 Be6 13.Qc2 Nd5 14.Bd2 Bh6 15.e4.

8.Nc3 Qc7 9.Qb3 (9.0-0 a5 10.b5 (10.a3 Nb6 11.Qb3 d5 12.c5 Nc4 13.Bc4 dc4 14.Qc4 Be6 15.Qd3) 10...Nb6 11.bc6 bc6 12.Bd3 Ba6 13.Qe2 d5 14.cd5 Bd3 15.Qd3; 9.a4 A) 9...e5 10.0-0 (10.a5 ed4 11.ed4 Re8 12.0-0 Ne4 13.Ne4 Re4 14.Bd3 Re8 15.Re1; 10.Qb3 a5 11.b5 ed4 12.ed4 Re8 13.0-0 Nb6 14.Rfe1 Bf5 15.h3; 10.Qd2 a5 11.b5 ed4 12.Nd4 c5 13.Nf3 Nb6 14.Ng5 Qe7 15.Rd1; 10.Qc2 a5 11.b5 ed4 12.Nd4 Nc5 13.h3 Ne6 14.0-0 Bd7 15.Rfd1) 10...a5 11.b5 Re8 12.h3 Nb6 13.Ng5 h6 14.Nf3 ed4 15.Qd4; B) 9...a5 10.b5 (10.Qb3 ab4 11.Qb4 b6 12.0-0 Bb7 13.Ba3 c5 14.Qb3 Ne4 15.Nd5) 10...Nb6 11.Qb3 c5 12.Rc1 Be6 13.0-0 cd4 14.Nd5 Nfd5 15.cd5) 9...b6 (9...a5 10.b5 Nb6 11.a4 c5 12.Rc1 Bg4 13.0-0 Bf5 14.Rfd1 Rfc8 15.h3; 9...e5 10.0-0 (10.a3 ed4 11.Nd4 Re8 12.0-0 Nf8 13.h3 Ne6 14.Nf3 b6 15.Bd3) 10...Re8 11.h3 e4 12.Nd2 Nb6 13.a4 a5 14.c5 Nbd5 15.cd6) 10.Rc1 (10.0-0 Bb7 11.h3 Rfe8 12.Ng5 e5 13.Rfe1 h6 14.Nf3 a5 15.a3; 10.Bd3 a5 11.b5 c5 12.0-0 Bb7 13.Rfe1 e6 14.Rac1 Rac8 15.Qa3) 10...Bb7 (10...a5 11.b5 c5 12.0-0 Bb7 13.Rfe1 e6 14.Bd3 Rac8 15.Qa3) 11.0-0 Rac8 (11...e5 12.Ng5 h6 13.Nf3 a5 14.b5 e4 15.Nd2) 12.Rfd1 (12.h3 e5 13.Rfd1 Rfe8 14.Ng5 h6 15.Nf3) 12...Qb8 (12...a5 13.ba5 ba5 14.Rb1 Ba6 15.Ba3) 13.a3 (13.h3 c5 14.bc5 bc5 15.Rb1) 13...h6 (13...c5 14.dc5 bc5 15.b5) 14.Rd2 (14.Bd3 c5 15.Nd5) 14...Qa8 (14...c5 15.d5) 15.Rcd1 (15.e4+/-) 15...c5 16.d5 Ne8 17.b5 f5 18.Qc2 Ne5 19.Ne1 Rc7 20.f4 Nf7 21.Bd3 Nh8 22.Nf3 e5 (22...e6 23.Be2+=) 23.fe5+/- de5 24.e4 f4 25.Ne2 Nf7 26.Rf1 Qd8 27.Qc1 g5 28.Qe1 Bf6 29.g4 (better is 29.Qa1!?+/-) 29...Bc8= 30.h3 h5 31.Nh2 Nh6 32.Kg2 hg4–/+ 33.hg4 Ng4 34.Ng4 Bg4 35.Ng1 Rh7 36.Be2? Bc8 37.Qd1 g4! 38.Rd3?! Nd6 39.Rf4 ef4 40.e5 f3 41.Bf3 gf3 42.Nf3 Bh3 43.Kf2 Bh4 44.Ke2 Nc4 45.Qb3 Na5 46.Qc3 Bg4 47.d6 Bg3 48.Kd2 Bf4 49.Kc2 Bf5 50.e6 Qd6 51.a4 Qd3 52.Qd3 Bd3 53.Kd3 Re7 54.Nd2 Bd2 55.Kd2 Re6 56.Bc1 Nb3 57.Kc2 Nc1 58.Kc1 Rf2 59.Kd1 Rg2 60.a5 Rh6 61.ab6 Rh1# 0–1. Behnicke,Eckhard – Blum,Rainer, Ruhrgebiet VK3–chT, 1995.

8.Nc3 Re8 9.a4 e5 10.a5 e4 11.Nd2 d5 12.0-0 Nf8 13.cd5 cd5 14.Nb3 Bd7 15.Nc5 Rb8 16.Nd7 N8d7 17.Qb3 Nf8 18.Rfc1 Rc8 19.a6 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 b6 12.0-0 Bb7 13.c5 bc5 14.bc5 Nb8 (14...dc5!? 15.Qb1 Qa8+=) 15.Qb3 Ba6 16.Ba6 Na6 17.cd6 Qd6 18.Nc4 Qd7 19.Nce5 Qc7 20.Rc1 Ne4? (20...Nb8 21.Qc4+/-) 21.Rc6 (better is 21.Qd3 f6 22.Ng6 hg6 23.Qe4+– (23.Qa6?! Qd7+–)) 21...Qa5 22.Rc1 e6 23.h3 Be5 24.Ne5 Qd2 25.Qc2 Qb4?? 26.Qc4 Ra8?? 27.Qb4 Nb4+/- 28.Nd7 Nd3= 29.Rb1 Ndf2 30.d5 ed5 31.Bd4 Nd3 32.Rb8? Rb8–+ 33.Nb8 Nd6 34.Nd7+= Nb5 35.Nf6 Kf8 36.Nd5 Nd4 37.ed4 Nb2 38.Kf2 h5 39.Ke3 Nc4 40.Kd3 Nd6 41.g4 hg4 42.hg4 Kg7 43.Ke3 f5 44.gf5 Nf5 45.Ke4 Kh6 46.Nf4 Ng3 47.Kf3 Nf5 48.Ke4 Kg5 49.Ne6 Kg4 50.d5 Ng3 51.Ke5 Ne2 0–1. ourang – chequemate26, kurnik, 2012.

8.Nbd2 Qb6 9.a3 a5 10.c5 dc5 (10...Qc7 11.cd6 ed6 12.b5+=) 11.Nc4 Qc7 12.bc5 b5 13.cb6 Nb6 14.0-0 (14.Nce5 Nfd7+=) 14...Ne4 (14...Nc4 15.Bc4 Rb8 16.Qe2+=) 15.Qc2 (15.Nb6 Qb6 16.Rb1 Nd6+/-) 15...Nc4 16.Bc4 Nd6 17.Bd3 Be6 18.Rfc1 Rfc8 (18...Rab8 19.Bc3+=) 19.h3 (19.Ng5 Bg4+/-) 19...a4 20.Qe2 Nb7 21.Ng5 Na5 (better is 21...Bd5!?+=) 22.Ne6+– fe6 23.Rc2 Nb3 (23...e5 24.Bc4 Nc4 25.Qc4 Kh8 26.d5+/-) 24.Rd1+– Kh8 25.Be4 Qd6 26.Bf3 Bf6 27.Qc4 Kg7 (27...Bg7 A) 28.Bc6 Na5 29.Qb5 Rc6 (worse is 29...Nc6 30.Rdc1+/-) 30.Qa4 Rc2 31.Qc2 Rb8+=; B) 28.Bc3+–) 28.e4 (28.Bc6 Na5 29.Qa4 Nc6–/+ (29...Rc6?! 30.Rc6 Qc6 31.Qc6 Nc6 32.Rc1=)) 28...Qd7 (28...Qf4 29.e5 Bh4 30.Qe6+–) 29.e5 Bg5 30.Bg4 (30.Bc6 Na5 31.Bd7 Rc4+–) 30...Qd5 (30...Kf7 31.g3+–) 31.Be6 Qc4 32.Bc4 (32.Rc4!? Rf8+–) 32...Rab8 33.g3 h5 (33...Rd8 34.Be2+–) 34.f4 Bh6 35.Be6 Rc7 36.d5 c5 37.d6 Ra7 38.d7 Rd8 39.Bb3 ab3 40.Rc5 e6 41.Rc6 Kf7 42.Rcd6 h4 43.Kg2 Rc7 44.R1d2 Rc4 45.R6d4 Rd4 46.Rd4 Ke7 47.gh4 Rd7+/- 48.Rd7 Kd7 49.Kf3 Kc6 50.Ke4 Kb5 51.h5 gh5 52.f5 ef5 53.Kf5 h4 54.e6 Kc6 55.Kf6 Bf8 56.e7 Be7 57.Ke7 Kd5 58.Kf6 (58.Kf6 Ke4 59.Kg5+–) 1–0. Zielke,Bernd – Floris,Richard, Kiel op, 2000.

8.Nbd2 Qb6 9.Qb3+= a5 10.a3 ab4 (10...Qc7 11.0-0+=) 11.ab4 Ra1 12.Ba1 Qc7 13.0-0 Nb6 14.Bc3 Bf5 15.Ra1 Ra8 16.Ra8 Na8 17.Qa3 (17.c5 Qc8+=) 17...Nb6 (17...Qc8 18.Ng5=) 18.Qa5+= h6 19.Nh4 Bc8 (19...Be6 20.e4 Ne8 21.g3+=) 20.e4 Ne8 21.Nhf3 Nd7 22.Qa1 b6 23.Nf1 Qb7 (23...Nef6 24.Ng3+=) 24.d5 (24.Ne3 Nc7+=) 24...c5 25.Bg7 Ng7 26.b5 Qc7 (26...Nf6 27.Ng3+=) 27.Ne3 Kh7 (27...Nf6 28.Nd2+=) 28.Ne1 (28.Ng4 Nf8 29.h3 Bg4 30.hg4 Nd7+=) 28...Nf6+= 29.Bd3 (29.Bf3 Nge8+=) 29...Ngh5 30.g3 e5 31.de6 Be6 32.Qa8 Ng7 33.N1g2 Bc8 34.Qa1 Qe7 35.f3 Ne6= 36.e5 de5 37.Qe5 Qd8 38.Nd5 Nd5 39.Qd5 Qd5 40.cd5 Nd4 41.Kf2 Bd7 42.Ne3 Kg7 43.d6 Be6 44.Be4 Nb5–/+ 45.d7 Bd7 46.Nc4 Be6 47.Nb6 Kf6 48.f4 Ke7 49.Bd3 Nd4 50.Ke3 Kd6 51.Nc4 Bc4 52.Bc4+= Ne6 53.h4 h5 54.Ke4+= f5 55.Ke3 Ke7 56.Bd5 Nc7–/+ 57.Bc4 Ne8 58.Bb3 Nd6 59.Bc2 Ke6 60.Kd3? Kd5–+ 0–1. Kliman,Daniel – Izquierdo,Daniel (2270), URU–ch, 2003.

8.Kf1 a5 9.b5=.

8.Kf1 e5 9.Nbd2 (9.de5 de5 10.Ne5 Ne4=) 9...Nh5 (9...e4 10.Ne1=+) 10.h3 f5 (10...a5 11.b5=) 11.de5 (11.g4 fg4 12.hg4 Nhf6=) 11...Ne5 12.Ne5 de5 13.Nb3 (13.c5 Be6=) 13...Qe7 14.a3 Nf6 15.Qc2 Be6 Black prepares the advance e4 (15...Rd8 16.Kg1=+) 16.Rd1 (better 16.Be5!? Rad8 17.Kg1+=) 16...e4 17.g3 Rad8 18.Kg2 g5 19.Nd4 Bc8 20.c5 f4 21.ef4 gf4 22.f3 (22.Bc4!? Nd5 23.Rhe1=) 22...fg3-/+ 23.fe4 (23.Bc4 Kh8 24.Rhe1 e3-/+) 23...Ne4 24.Bf3? (better 24.Nf3 Bb2 25.Bc4 Kg7 26.Rd8 Rd8 27.Qb2 Qf6 28.Qf6 Kf6 29.Re1-/+) 24...Rf3?? (better 24...Nf2 25.Qb3 Qf7 26.Qf7 Rf7-+) 25.Nf3+= (25.Kf3 Rf8 26.Kg2 Rf2 27.Qf2 Nf2-+) 25...Rf8 26.Bg7 Kg7 27.Rhe1 Bf5 (27...Rf4 28.Qc3! Kg6 29.Qe3+/-) 28.Qb2 (better 28.Rd4!? Re8 29.Kg1+-) 28...Kg8+/- 29.Qe5 Qf7? (better 29...Qe5 30.Ne5 Kh8+-) 30.Re4+- Bh3 (30...Be4 31.Qe4 a5+-) 31.Kg3 (31.Kh3 Qf3 32.Qg5 Kh8 33.Re7 Qg4 34.Qg4 Rg8 35.Qd4 Rg7 36.Qg7) 31...Qf3= 32.Kh4 Qd1 33.Qg5 Kh8 34.Qe5 Kg8 35.Qg5 Kh8 36.Re7 (36.Re7 Qd4 37.Kh3 Rf3 38.Kh2 Qf2 39.Qg2 Qh4 40.Kg1-+) 1-0. negrovich1 (2085) - carlborz (1990), Rated Bullet game, lichess.org, 2014. (=1.Nf3 d6 2.c4 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 c6)

7.Be2 Ne4

8.0-0 f5 9.Nbd2 Nd7 10.Ne4 fe4 11.Nd2 c5 12.bc5 dc5 13.Ne4 cd4 14.Bd4 e5 15.Bb2 Qh4 16.Nd6 Nf6 17.c5 Bg4 18.Bg4 Ng4 19.h3 Nf2 20.Qd5 Kh8 21.Nf7 Rf7 22.Qf7 Rf8 23.Qd5 e4 24.Bg7 Kg7 25.Qe5 Rf6 26.Rab1 Kh6 27.Rb7 Nh3 28.gh3 Rf1 29.Kf1 Qh3 30.Ke2 Qg2 31.Kd1 Qf1 32.Kc2 Qd3 33.Kb2 Qe2 34.Kb3 Qd3 35.Qc3 Qb1 36.Qb2 Qd3 37.Ka4 Qa6 38.Kb4 Qb7 39.Kc3 Qg7 40.Kc2 Qc7 41.Qe5 Qe5 0–1. marvis (1650) – kucapaca21 (1700), kurnik, 2012.

8.0-0 Bg4 9.Nbd2 Nd2 10.Qd2 Nd7 11.Rac1 Nf6 12.h3 Ne4 13.Qd3 Bf5 14.Qd1 Bd7 15.Bd3 Nf6 16.Rc3 Nh5 17.Rc2 Qb6 18.a3 a5 19.Qe2 ab4 20.ab4 Qb4 21.Bc3 Qb6 22.Rb2 Qc7 23.Rfb1 Rfb8 24.Ng5 h6 25.Ne4 f5 26.Ng3 Ng3 27.fg3 Bc8 28.Qf3 e5 29.de5 de5 30.Qf2 e4 31.Be2 Bc3 32.Rc2 Ra3 33.Rd1 Rba8 34.c5 Be5 35.Bc4 Kg7 36.Rcd2 h5 37.Rd8 Ra1 38.Qc2 Rd1 39.Rd1 Bg3 40.Qb3 Bd7 41.Be6 Be6 42.Qe6 Qf7 43.Qc4 Be5 44.Qf7 Kf7 45.Rd7 Kf6 46.Rd1 Ra5 47.Kf1 Rc5 48.Ke2 Rc3 49.Rb1 Rd3 50.Rb7 Bc3 51.Rb1 Rd2 52.Kf1 c5 53.h4 Bb4 54.Rc1 Rd3 55.Ke2 Rc3 0–1. ursus11 – retilein, kurnik, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4)

7.Be2 e5

8.0-0 Re8 9.de5 Ng4 10.Qb3 Ne5 11.Ne5 de5 12.Rd1 Qe7 13.Nd2 Nd7 14.Ne4 Nf6 15.Nd6 Rd8 16.Nc8 Rac8 17.a3 h5 18.Qc2 e4 19.h3 Rc7 (19...c5 20.Qa4+=) 20.Rd8+/- Qd8 21.Bd4 Rd7 22.Bf1 a6 23.b5 c5 24.Bc5 Rd2 25.Qc1 Ng4 26.hg4 Ba1 27.Qa1 Rd1 28.Qd4?? (better is 28.Qc3 Qd3 29.Qd3 ed3 30.Bb4 ab5 31.gh5 bc4 32.hg6=) 28...Rd4–+ 29.ed4 ab5 30.cb5 b6 31.Bb4 Qd4 32.gh5 gh5 33.g3 f5 34.Kg2 h4! 35.gh4 Qg7 36.Kh2 Qg4 37.Bc3 Qh4 38.Kg1 Qg4 39.Kh2 Qf4 40.Kg1 e3 41.Be1 Qg5 42.Kh2 Qh5 43.Kg1 Qg4 44.Kh2 Qd1 0–1. Aubry,Yannis (2135) – Ben_Abed,Mehdi (1905), Saint Paul Trois Chateaux FRA, U18 (b), 2013. (=1.Nf3 Nf6 2.d4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c6 7.c4)

8.de5 Ng4 9.0-0 Ne5 10.Ne5 de5 11.Qd8 Rd8 12.Nc3 Na6 13.Rfd1 Be6 14.a3 f5 15.Na4 Rd1 16.Rd1 Rc8 17.Rd6 Kf7 18.f4 Bf8 19.Rd2 ef4 20.ef4 Bg7 21.Kf2 c5 22.Bg7 Kg7 23.Bf3 Rc7 (23...Bc4? 24.Bb7 Rc7 25.Ba6 Ba6 26.Nc5+–) 24.b5 Nb8 25.Bd5 Bd5 26.Rd5 Nd7 27.Kf3 b6 28.Nc3 Nf6 29.Rd6 Rd7 30.Rd7 Nd7 31.Nd5 Kf7 ½–½. Grundherr,Martin (2315) – Webersberger,Johann (2230), AUT–chT2W, 2005. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 c6 6.Be2 d6 7.d4)

7.Be2 Re8

8.0-0 Nbd7 9.Nc3 e5 10.de5 de5 11.Qc2 Qe7 12.c5 b6 13.cb6 ab6 14.a3 Bb7 15.Nd2 Bf8 16.Rfd1 Red8 17.Qb3 b5 (17...c5 18.b5+=) 18.Nde4+= Ra7 19.Rac1 Bc8 20.Rd6 Ne8 21.Rd2 Nb6 22.Rd8 Qd8 23.Nc5 (23.Nb1 Bf5 24.Nbd2 Rd7+/-) 23...Bc5= 24.bc5 Be6 25.Qc2 Nc4 26.Bc4 Bc4 27.Ne4 (better is 27.Qe4!? Qc7 28.a4=) 27...Rd7+= 28.f3 (28.Be5? Bd3 29.Qb3 Be4–+) 28...f6 (28...Bd3 29.Qb3 Be4 30.fe4 Qg5–/+) 29.a4= Rd3 30.ab5 cb5 31.Re1 Bb3 32.Qb1 Bc4 33.h3 Qc8 ½–½. Nikitin,Aleksander S – Daniel,Damian, 10th Polonia Wroclaw Open Poland, 2015.

8.0-0 Qc7

9.Nbd2 Bf5

10.a3 A) 10...a5 A1) 11.Nh4 Bc8 (11...Bd7 12.e4 ab4 13.ab4 Ra1 14.Qa1 Na6+=; 11...Be6 12.e4 ab4 13.ab4 Na6 14.b5 cb5+=) 12.e4 c5 13.bc5 dc5 14.Nhf3 cd4=; A2) 11.Bc3 c5 (11...ab4 12.ab4 Ra1 13.Qa1 b6 14.Qb2 Nbd7+=; 11...e5 12.ba5 Nbd7 13.Qb3 Bg4 14.de5 de5+=) 12.ba5 Nc6 13.d5 Na5 14.Ra2 Ra7=; A3) 11.Qb3 a4 (11...Nbd7 12.Nh4 Bg4 13.Bg4 Ng4 14.Nhf3 e6+=; 11...b6 12.Bd3 a4 13.Qc2 Bd3 14.Qd3 d5+=) 12.Qc3 c5 13.bc5 dc5 14.d5 Nh5=; B) 10...c5 B1) 11.d5 Na6 (11...Qb6 12.Qa4 Na6 13.b5 Nb8 14.Nh4 Bd7=; 11...h6 12.Qb3 Na6 13.b5 Nb8 14.Nh4 Bd7+=) 12.b5 Nb8 13.Nh4 Bd7 14.Qc2 a6=; B2) 11.Qb3 Nbd7 (11...cd4 12.Nd4 Bd7 13.Nb5 Qc8 14.Rac1 Nc6+=; 11...Rc8 12.Rfd1 a5 13.bc5 dc5 14.Qb5 a4+=) 12.Rfd1 a5 13.bc5 dc5 14.a4 cd4=; B3) 11.Re1 Rc8 (11...h6 12.Qb3 cd4 13.Nd4 Bd7 14.Nb5 Qc8+=; 11...Na6 12.Qa4 Red8 13.Rad1 Qb6 14.Bc3 Qc7+=) 12.d5 b6 13.Ra2 a5 14.bc5 bc5+=; C) 10...e5 C1) 11.Nh4 Be6 (11...Bc8 12.de5 de5 13.Nhf3 c5 14.e4 Nc6=) 12.Ndf3 e4 13.Ng5 Bd7 14.f3 ef3+=; C2) 11.Nb3 b6 (11...Nbd7 12.Rc1 c5 13.bc5 dc5 14.de5 Ng4+=; 11...e4 12.Nfd2 d5 13.Rc1 dc4 14.Nc4 Nbd7+=) 12.de5 de5 13.Nh4 Bd7 14.Qc2 e4=; C3) 11.Rc1 e4 12.Ne1 a5 13.b5 d5 14.Qb3 a4=.

10.a4 A) 10...c5 A1) 11.bc5 dc5 12.dc5 Nbd7 13.c6 bc6 14.Nd4 Rab8=; A2) 11.Qb3 Nc6 (11...cb4 12.Qb4 Nc6 13.Qb3 e5 14.Rac1 Rac8=; 11...Rc8 12.dc5 dc5 13.Be5 Qb6 14.bc5 Qb3=) 12.bc5 dc5 13.Rfd1 b6 14.Rac1 Rad8=; A3) 11.b5 a6 12.Qb3 Nbd7 13.Nh4 Bg4 14.f3 Bh5+=; B) 10...e5 B1) 11.a5 Nbd7 (11...e4 12.Ne1 d5 13.b5 Qd7 14.Rc1 Be6=; 11...h6 12.Nb3 Na6 13.Ra4 Rad8 14.Nbd2 Qd7=) 12.Bc3 Rad8 13.Qe1 c5 14.bc5 dc5=; B2) 11.Qb3 a5 (11...e4 12.Ne1 d5 13.Rc1 Bg4 14.f3 ef3=; 11...Nbd7 12.a5 h6 13.Rfd1 e4 14.Ne1 d5=) 12.ba5 e4 13.Ne1 Ra5 14.Bc3 Ra7=; B3) 11.Nb3 Na6 (11...Nbd7 12.a5 Rad8 13.Nbd2 Bg4 14.a6 b6=) 12.b5 Nb4 13.c5 e4 14.Nh4 Bc8=; C) 10...Na6 C1) 11.Qb3 c5 (11...Rac8 12.b5 Nb8 13.Rfe1 e5 14.a5 cb5+=; 11...Qd7 12.b5 Nc7 13.Nh4 Bg4 14.Bd3 e5+=) 12.dc5 dc5 13.Be5 Qd7 14.b5 Nb4=; C2) 11.b5 Nb4 (11...Nb8 12.Nh4 Bc8 13.a5 cb5 14.cb5 d5+=) 12.Qb3 c5 13.Bc3 a5 14.dc5 dc5=; C3) 11.Bc3 Qd7 (11...e5 12.Rc1 Rad8 13.b5 Nb8 14.a5 Nbd7=; 11...c5 12.b5 Nb8 13.a5 Nbd7 14.d5 a6+=) 12.b5 Nc7 13.Nh4 Bg4 14.f3 Be6=.

10.Qa4 A) 10...Nbd7 A1) 11.Rad1 c5 (11...e5 12.de5 de5 13.Nb3 c5 14.bc5 Ne4=; 11...a5 12.b5 c5 13.Nh4 Bg4 14.f3 Nb6=) 12.dc5 dc5 13.Nb3 cb4 14.Nfd4 a5=; A2) 11.Qb3 e5 (11...a5 12.ba5 Qa5 13.Bc3 Qc7 14.Nh4 Bg4=; 11...c5 12.Nh4 Be6 13.d5 Bg4 14.f3 Bh5+=) 12.Rfd1 e4 13.Ne1 Bg4 14.Bg4 Ng4=; A3) 11.Nh4 Bg4 12.f3 Be6 13.f4 Bg4 14.Nhf3 a5=; B) 10...Qd7 B1) 11.Rad1 h6 (11...Rd8 12.a3 c5 13.Qd7 Nbd7 14.Nh4 Bc2+=; 11...c5 12.b5 cd4 13.Nd4 Bg4 14.f3 Be6+=) 12.a3 c5 13.Qd7 Nbd7 14.dc5 dc5=; B2) 11.Qb3 d5 (11...Na6 12.a4 h6 13.b5 Nc7 14.Rfd1 Rec8+=; 11...e5 12.de5 de5 13.Rfd1 Qc7 14.c5 e4+=) 12.Ne5 Qd6 13.f3 Nbd7 14.g4 Be6=; B3) 11.Rfd1 Rd8 (11...c5 12.b5 cd4 13.Nd4 Bg4 14.f3 Be6+=; 11...Rc8 12.c5 Nd5 13.e4 Nf4 14.Bf1 Bg4+=) 12.a3 c5 13.b5 Qc7 14.Nh4 Bd7+=; C) 10...e5 C1) 11.Rad1 e4 (11...Nbd7 12.Nb3 e4 13.Nfd2 d5 14.cd5 Nd5=; 11...a5 12.de5 de5 13.Nb3 e4 14.Nfd4 Bg4=) 12.Ne1 d5 13.h3 dc4 14.b5 a6+=; C2) 11.c5 dc5 (11...e4 12.cd6 Qd6 13.Ne5 Nbd7 14.Ndc4 Qd5=) 12.bc5 Nbd7 13.de5 Nc5 14.Qa3 Nfe4=; C3) 11.a3 Nbd7 (11...e4 12.Ne1 d5 13.cd5 Nd5 14.Rc1 Qd8=) 12.Rfd1 e4 13.Ne1 d5 14.cd5 Nb6=.

10.Qb3 A) 10...e5 A1) 11.c5 dc5 (11...e4 12.cd6 Qd6 13.Ne5 Be6 14.Ndc4 Qd5=) 12.de5 Ne4 13.Rfd1 cb4 14.Qb4 a5=; A2) 11.Rad1 e4 (11...Nbd7 12.de5 de5 13.c5 Be6 14.Bc4 a5=) 12.Ne1 Nbd7 13.a4 d5 14.cd5 cd5=; A3) 11.de5 de5 12.Rfd1 Nbd7 13.c5 Be6 14.Bc4 e4=; B) 10...b6 B1) 11.Bd3 Bd3 12.Qd3 d5 13.a3 Nbd7 14.Rac1 Qd6=; B2) 11.Nh4 Bd7 (11...Bc8 12.e4 a5 13.a3 Nbd7 14.Nhf3 c5+=; 11...Be6 12.Qd3 a5 13.b5 d5 14.cd5 Nd5+=) 12.e4 c5 13.e5 de5 14.Bf3 Nc6+=; B3) 11.Rad1 a5 (11...Nbd7 12.Nh4 Bg4 13.Bg4 Ng4 14.e4 c5+=; 11...a6 12.Nh4 Bd7 13.e4 c5 14.bc5 bc5+=) 12.Qa4 e5 13.b5 e4 14.Ne1 Bg4+=; C) 10...a5 C1) 11.a3 a4 (11...Nbd7 12.Nh4 Bg4 13.Bg4 Ng4 14.Nhf3 e6+=; 11...b6 12.Nh4 Bd7 13.e4 c5 14.Nhf3 ab4=) 12.Qc3 c5 13.bc5 dc5 14.Rad1 Nbd7=; C2) 11.Nh4 Bg4 (11...Bd7 12.ba5 Ra5 13.Nhf3 c5 14.dc5 dc5=; 11...a4 12.Qa3 Bg4 13.Bg4 Ng4 14.Nhf3 d5=) 12.Bg4 Ng4 13.ba5 Ra5 14.e4 d5=; C3) 11.ba5 Ra5 12.Bc3 Ra8 13.Rfd1 Nbd7 14.Nh4 Bg4=.

10.Nb3 Nfd7 (10...e5 A) 11.a4 Na6 (11...Nbd7 12.a5 Rad8 13.a6 Rb8 14.ab7 Rb7=) 12.b5 Nb4 13.bc6 Nc6 14.a5 Rac8=; B) 11.a3= Nbd7 (11...e4 12.Nfd2 d5 13.Rc1 dc4 14.Nc4 Nbd7+=) 12.a4 Rad8 13.a5 e4 14.Nfd2 d5=; C) 11.Nh4 Be6 12.a4 e4 13.f4 ef3 14.Nf3 Ng4+=; D) 11.Rc1 h6 (11...Re7 12.a3 Bg4 13.h3 Bf3 14.Bf3 Nbd7+=; 11...b6 12.c5 e4 13.Nfd2 Nbd7 14.g4 Be6=) 12.a3 Bg4 13.h3 Bf5 14.de5 de5=; 10...Nbd7 A) 11.Nh4 Be6 12.Qd3 d5 13.c5 Ng4 14.f4 Ndf6=; B) 11.Qd2 e5 (11...Ne4 12.Qe1 e5 13.Rd1 Nef6 14.Qd2 e4=; 11...d5 12.Rfc1 Ne4 13.Qd1 Qd6 14.Nc5 b6=) 12.Rfd1 e4 13.Nh4 Be6 14.b5 d5+=; C) 11.Bd3 Be4 (11...Bd3 12.Qd3 d5 13.Rfc1 Qb6 14.a3 Rad8= 12.Be4 Ne4 13.Qc2 Ndf6 14.Ne1 Ng5=; 10...Na6 A) 11.a3 Rad8 (11...c5 12.b5 Nb8 13.a4 e5 14.a5 ed4+=; 11...Rec8 12.c5 b5 13.Bd3 Bd3 14.cd6 Qd6=) 12.c5 dc5 13.Ba6 cd4 14.Bd3 de3=; B) 11.Qe1 c5 (11...Rad8 12.c5 Nb8 13.Rc1 Nbd7 14.cd6 ed6=; 11...Ne4 12.Nh4 Be6 13.Bd3 Nf6 14.f4 c5+=) 12.dc5 dc5 13.Be5 Qb6 14.bc5 Nc5=; C) 11.b5 cb5 (11...Nb8 12.Bd3 Bd3 13.Qd3 e5 14.de5 de5+=) 12.cb5 Nb4 13.Rc1 Qd7 14.Qd2 Nbd5=) 11.a4 (11.Nh4 Be6+= 12.f4 Nb6 13.Qc2 Na6 14.f5 gf5+=; 11.Qd2 Nf6 (11...d5 12.cd5 cd5 13.Nh4 Be6 14.Rac1 Qb6+=; 11...Nb6 12.Nh4 Bd7 13.a4 d5 14.c5 Nc4+/-) 12.Nh4 Bg4 13.f3 Bc8 14.e4 Nbd7+=; 11.Bd3 Bd3 12.Qd3 c5 13.a3 e5 14.de5 de5+=) 11...e5 (11...c5 A) 12.bc5 dc5 13.Bd3= (13.Qd2 Rd8 14.d5 Nf6=) 13...Bd3 14.Qd3 Na6=; B) 12.b5 cd4 13.Nfd4 Nc5 14.Ra2 Nb3+=; 11...Na6 12.b5 Nb4 13.Qd2 c5 14.a5 e5=; 11...Nf6 12.Nh4 Bd7 13.a5 e5 14.Nf3 Bg4+=) 12.Nh4+/- Be6 (12...c5 13.Nf5 gf5 14.Qc2+/- (14.bc5 dc5+/-) 14...cd4+/-) 13.d5 cd5 14.cd5 Bd5? (better is 14...Bf5!? 15.Rc1 Qd8 16.Nf5 gf5+/-) 15.Qd5+– Qc2 16.Bd1 Qb2 (16...Qc6 17.Qd2+–) 17.Qb7 (17.Qd6 e4 18.Rc1 Bf6+=) 17...Nb6 18.a5 Nc4 (18...N8d7 19.ab6 Nb6 20.Ra7 Ra7 21.Qa7 Nc4+–) 19.Qa8 Nd2 (19...Qc3 20.Qa7 Qb4 21.Nf3+–) 20.Nd2 Qd2 1–0. Bonetti,Shane – guest151, ICC, 2002.

10.b5 A) 10...e5 A1) 11.c5 dc5 (11...e4 12.cd6 Qd6 13.Ne5 cb5 14.Qb3 Be6=) 12.de5 Ne4 13.Ne4 Be4 14.Qa4 Bf3=; A2) 11.a4 a6 (11...Nbd7 12.Rc1 Be6 13.d5 Bg4 14.dc6 bc6=; 11...c5 12.a5 ed4 13.ed4 Nh5 14.Re1 Nf4+=) 12.a5 ab5 13.cb5 e4 14.b6 Qe7=; A3) 11.a3 a6 (11...e4 12.Ne1 c5 13.d5 h6 14.Rb1 Qa5=; 11...Nbd7 12.Rc1 Be6 13.Ng5 ed4 14.Ne6 fe6+=) 12.a4 ab5 13.ab5 Nbd7 14.c5 e4=; B) 10...a6 B1) 11.a4 ab5 (11...b6 12.Qb3 Nbd7 13.bc6 Qc6 14.Nh4 Bg4+=; 11...cb5 12.ab5 e5 13.Ra2 e4 14.Ne1 h6+=) 12.ab5 Ra1 13.Qa1 Nbd7 14.Rd1 Rc8=; B2) 11.Qb3 ab5 (11...Nbd7 12.a4 e5 13.a5 ab5 14.cb5 ed4+=; 11...b6 12.a4 Nbd7 13.bc6 Qc6 14.Nh4 Bg4+=) 12.cb5 Be6 13.Bc4 Bc4 14.Nc4 cb5=; B3) 11.bc6 bc6 (11...Nc6 12.d5 Na5 13.Nd4 Bd7 14.Rb1 b6=) 12.Nh4 Bc8 13.Rb1 Nbd7 14.Bc3 c5=.

10.Qc1 A) 10...c5 11.a3 (11.bc5 dc5 12.d5 b6 13.Qc3 Nh5 14.Qb3 Nf6=; 11.dc5 dc5 12.a3 e5 13.Nh4 Bg4 14.Qe1 Be2=) 11...cd4 (11...Rd8 12.Rd1 a5 13.bc5 dc5 14.d5 Nbd7+=; 11...a5 12.bc5 dc5 13.Rd1 Rd8 14.Nf1 Nbd7+=) 12.Nd4 Bd7 13.Nb5 Qc8 14.Rd1 Nc6=; B) 10...Nbd7 B1) 11.a3 e5 12.c5 e4 13.cd6 Qd6 14.Ne5 Rad8=; B2) 11.Rd1 e5 (11...c5 12.a3 Rad8 13.Nh4 Bg4 14.f3 Bh5+=; 11...a5 12.a3 b6 13.Nh4 Be6 14.e4 ab4+=) 12.a3 e4 13.Ne1 d5 14.cd5 Nd5=; B3) 11.Nh4 Bg4 (11...Be6 12.e4 a5 13.d5 Bg4 14.f3 Bh5+=) 12.f3 Be6 13.e4 g5 14.Nf5 Bf5=; C) 10...e5 C1) 11.Qc3 Nbd7 (11...e4 12.Ne1 Nbd7 13.a4 a5 14.b5 d5=; 11...a5 12.a3 Nbd7 13.de5 de5 14.Nh4 Be6=) 12.Rfd1 a5 13.b5 cb5 14.cb5 Qc3=; C2) 11.Rd1 e4 (11...Nbd7 12.a3 e4 13.Ne1 d5 14.cd5 Nd5=) 12.Ne1 d5 13.cd5 Nd5 14.a3 Qd8=; C3) 11.a3 e4 (11...Nbd7 12.c5 e4 13.cd6 Qd6 14.Ne5 Qe7=) 12.Ne1 Nbd7 13.Qd1 Be6 14.Rc1 d5=.

10.Rc1 A) 10...e5 A1) 11.a4 b6 (11...e4 12.Ne1 c5 13.Nc2 a5 14.b5 h6+=; 11...a5 12.b5 c5 13.Nh4 Bc8 14.de5 de5=) 12.c5 e4 13.cd6 Qd6 14.Nc4 Qe7=; A2) 11.a3 e4 (11...a5 12.ba5 e4 13.Ne1 Qa5 14.Rb1 Qa4=) 12.Nh4 Bc8 13.f4 ef3 14.Rf3 Qe7+=; A3) 11.Nb3 b6 (11...Re7 12.a3 Bg4 13.h3 Bf3 14.Bf3 Nbd7+=; 11...h6 12.a3 Bg4 13.h3 Bf3 14.Bf3 Nbd7+=) 12.c5 e4 13.Nfd2 dc5 14.bc5 b5+=; B) 10...c5 B1) 11.a3 h6 (11...Rc8 12.Qb3 b6 13.Nh4 Bg4 14.Bg4 Ng4+=; 11...Rd8 12.d5 a5 13.bc5 dc5 14.Be5 Qc8+=) 12.Qb3 a5 13.bc5 dc5 14.Qb5 cd4=; B2) 11.Nh4 Bd7 (11...Bc8 12.a3 Nc6 13.b5 Nd8 14.dc5 dc5=; 11...Be6 12.a3 Na6 13.Qb3 Rad8 14.Rfd1 Qb6+=) 12.bc5 dc5 13.Nhf3 Rd8 14.Qb3 cd4=; B3) 11.bc5 dc5 12.Qb3 Nbd7 13.Nh4 Be6 14.d5 Bg4+=; C) 10...a5 C1) 11.Qa4 Nbd7 12.b5 c5 13.Qd1 Nb6 14.dc5 dc5=; C2) 11.ba5 Ra5 (11...Qa5 12.Ra1 c5 13.Qb3 Nbd7 14.a4 cd4=) 12.a3 c5 13.Nb3 Ra8 14.Nh4 Be4=; C3) 11.b5 c5 12.Nh4 Bc8 13.dc5 dc5 14.Nhf3 Rd8=.

10.Bc3 A) 10...c5 A1) 11.a3 Rc8 (11...cd4 12.Nd4 Bd7 13.Rc1 Nc6 14.Nc6 Bc6=; 11...Nbd7 12.Rc1 Nb6 13.Qb3 Rac8 14.Rfd1 Red8=) 12.d5 b6 13.Nh4 Bd7 14.bc5 dc5=; A2) 11.dc5 dc5 12.bc5 e5 13.Qb3 Nbd7 14.Qb2 Ne4=; A3) 11.bc5 dc5 12.Qb3 Nbd7 13.d5 Rad8 14.Nh4 Ng4+=; B) 10...e5 B1) 11.Rc1 h6 (11...e4 12.Ne1 h6 13.Nc2 Nbd7 14.d5 Ne5=) 12.a3 e4 13.Nh4 Bd7 14.f4 ef3=; B2) 11.a4 Nbd7 (11...h6 12.Rc1 b6 13.c5 dc5 14.dc5 bc5=) 12.Rc1 Rac8 13.a5 b6 14.Ra1 c5=; B3) 11.a3 Nbd7 12.de5 de5 13.Nh4 Be6 14.e4 Re7=.

10.c5 A) 10...a5 A1) 11.a3 ab4 (11...Nbd7 12.Qb3 ab4 13.ab4 b5 14.Rfc1 d5=) 12.ab4 Nbd7 13.Qb3 b5 14.cb6 Nb6=; A2) 11.cd6 ed6 12.ba5 Qa5 13.a4 Nbd7 14.Qb3 Qc7=; A3) 11.ba5 dc5 12.dc5 Rd8 13.Qc1 Qa5 14.Nd4 Bg4=; B) 10...Nbd7 B1) 11.Qb3 a5 (11...d5 12.Nh4 Bg4 13.f3 Be6 14.Qc2 Bh6=; 11...dc5 12.bc5 b6 13.cb6 ab6 14.Rfc1 c5+=) 12.Ng5 d5 13.Ngf3 ab4 14.Qb4 Reb8=; B2) 11.a3 dc5 (11...Red8 12.Nh4 Be6 13.Qc2 dc5 14.bc5 b6=; 11...Rad8 12.Qb3 d5 13.a4 Bg4 14.Bd3 Rb8+=) 12.dc5 b6 13.Nd4 bc5 14.Nf5 gf5=; B3) 11.Rc1 dc5 (11...Red8 12.Qb3 Be6 13.cd6 ed6 14.Qa3 Re8=; 11...a5 12.b5 dc5 13.dc5 cb5 14.Bb5 Red8=) 12.dc5 a5 13.b5 cb5 14.Bb5 Red8=.

10.Qe1 c5 A) 11.bc5 dc5 12.Rd1 Rd8 13.dc5 Na6 14.Nd4 Ng4=; B) 11.Nh4 Bd7 (11...Bg4 12.Bg4 Ng4 13.Qe2 Nf6 14.bc5 dc5=; 11...cb4 12.Nf5 gf5 13.Bd3 e6 14.Nf3 Nc6=) 12.bc5 dc5 13.Nb3 cd4 14.ed4 Ng4=; C) 11.a3 Rc8 (11...Qb6 12.Bc3 Qc7 13.Rc1 Nc6 14.d5 Nd8+=; 11...h6 12.Rd1 cb4 13.ab4 Nc6 14.b5 Nb4=) 12.Nh4 Bd7 13.dc5 dc5 14.Ndf3 Be6=.

10.Re1 e5 A) 11.a4 e4 (11...Na6 12.Bc3 e4 13.Nh4 Be6 14.b5 Nb8=; 11...Nbd7 12.Rc1 a5 13.b5 ed4 14.Nd4 Be6+=) 12.Nh4 Bd7 13.g4 h6 14.f4 ef3=; B) 11.Nb3 Nbd7 (11...Re7 12.Nh4 Be6 13.Rc1 e4 14.d5 Bd7=; 11...e4 12.Nfd2 d5 13.Rc1 dc4 14.Bc4 Qd6=) 12.a3 b6 13.Nfd2 h6 14.Bf3 e4=; C) 11.de5 de5 12.c5 a5 13.a3 ab4 14.ab4 Nbd7+=.

10.Ng5 h6 11.Ngf3 (11.e4 hg5 12.ef5 gf5 13.Re1 d5 14.Nf3 Ne4=) 11...c5 (11...a5 12.a3 c5 13.Qa4 Nbd7 14.Qb5 ab4=; 11...e5 12.a4 a5 13.b5 Nbd7 14.Rc1 Bg4+=) 12.a3 a5 13.Qa4 Nbd7 14.bc5 dc5=.

10.h3 A) 10...c5 11.a3 (11.bc5 dc5 12.d5 Rd8 13.Be5 Qc8 14.g4 Bd7=; 11.dc5 dc5 12.Be5 Qc8 13.a3 Rd8 14.Bc3 Nc6=) 11...a5 12.Qa4 cd4 13.Nd4 Bd7 14.Nb5 Qc8=; B) 10...Na6 B1) 11.a3 h6 (11...c5 12.dc5 dc5 13.b5 Nb8 14.Be5 Qc8=; 11...Red8 12.Nh4 Bd7 13.b5 Nb8 14.Nhf3 Rc8=) 12.Qa4 c5 13.dc5 dc5 14.b5 Nb8=; B2) 11.b5 Nb8 (11...Nb4 12.Qb3 a5 13.a3 Nc2 14.Rac1 a4+–; 11...cb5 12.cb5 Bc2 13.Qc1 Nb8 14.Bc4 d5+/-) 12.a4 a6 13.Qb3 Nbd7 14.a5 ab5+=; B3) 11.Qb3 h6 (11...c5 12.a3 Rad8 13.Rfd1 h6 14.Nh4 Be6+=; 11...Rac8 12.c5 Rb8 13.a3 b5 14.cb6 Rb6+=) 12.c5 d5 13.Qa4 Nb8 14.Nh4 Bc8+=; C) 10...e5 C1) 11.Qa4 Nbd7 (11...e4 12.Ne1 Nbd7 13.b5 c5 14.g4 Nb6=; 11...b6 12.de5 de5 13.Rfd1 a6 14.Nh4 Be6=) 12.Rfd1 a5 13.b5 e4 14.Ne1 Nb6=; C2) 11.a4 e4 (11...Nbd7 12.a5 e4 13.Nh4 Be6 14.f4 ef3=; 11...h6 12.a5 Nbd7 13.Ra3 e4 14.Nh4 Be6=) 12.Ne1 c5 13.Nc2 b6 14.f3 Nbd7=; C3) 11.a3 e4 (11...Nbd7 12.Rc1 Qb8 13.Nh4 Be6 14.de5 de5=; 11...b6 12.Qa4 e4 13.Ne1 Nbd7 14.b5 cb5+=) 12.Ne1 a5 13.b5 Nbd7 14.Qc2 Rac8=.

10.Nh4 A) 10...Bd7 A1) 11.a3 c5 (11...a5 12.e4 ab4 13.ab4 Ra1 14.Qa1 Na6+=) 12.Nhf3 cd4 13.ed4 e5 14.d5 a5=; A2) 11.Qb3 c5 12.bc5 dc5 13.Nhf3 Rd8 14.Rad1 Bf5=; A3) 11.e4 Rd8 (11...a5 12.a3 ab4 13.ab4 Ra1 14.Qa1 Na6+=; 11...e5 12.de5 de5 13.Nhf3 c5 14.b5 Bg4+=) 12.f4 a5 13.e5 Ne8 14.a3 Na6+=; B) 10...Be6 B1) 11.a3 c5 (11...a5 12.e4 ab4 13.ab4 Na6 14.b5 cb5+=; 11...Nbd7 12.e4 Nb6 13.f4 Bc8 14.a4 a5+=) 12.Nhf3 Bg4 13.h3 Bd7 14.dc5 dc5+=; B2) 11.Qb3 d5 (11...c5 12.bc5 dc5 13.d5 Bc8 14.Rab1 b6+=; 11...Na6 12.Nhf3 Bf5 13.Rfd1 Rad8 14.Qa4 Qb6+=) 12.Nhf3 Nbd7 13.a4 dc4 14.Bc4 Bc4+=; B3) 11.e4 a5 (11...Qb6 12.Qb3 a5 13.ba5 Qa5 14.Bc3 Qa3+=; 11...Na6 12.a3 Red8 13.b5 Nb8 14.bc6 bc6+=) 12.a3 ab4 13.ab4 Na6 14.b5 cb5+=; C) 10...Bc8 C1) 11.e4 c5 (11...Rd8 12.Nhf3 c5 13.a3 cd4 14.Nd4 Nc6=; 11...a5 12.a3 c5 13.bc5 dc5 14.Nhf3 cd4=) 12.bc5 dc5 13.e5 Nfd7 14.f4 cd4=; C2) 11.Qb3 e5 (11...Nbd7 12.Nhf3 e5 13.c5 e4 14.cd6 Qd6+=; 11...c5 12.bc5 dc5 13.Nhf3 Bf5 14.d5 Rd8+=) 12.de5 de5 13.Rfd1 e4 14.f4 Be6=; C3) 11.a3 c5 (11...e5 12.de5 de5 13.Nhf3 Bf5 14.c5 Nbd7+=; 11...a5 12.e4 c5 13.bc5 dc5 14.Nhf3 cd4=) 12.Nhf3 cd4 13.Bd4 Nc6 14.Bb2 Rd8=.

7.Be2 Bf5

8.0-0 Qb6 (8...a5 9.b5 cb5 10.cb5 Nbd7 11.Nc3 Nb6 12.Rc1 Qd7 13.Ng5 d5; 8...Na6 9.a3 Nc7 10.Bd3 Bd3 11.Qd3 Qd7 12.Nc3 b5 13.cb5 Nb5; 8...Nbd7 9.Nc3 Qb6 10.Qb3 a5 11.b5 cb5 12.Nb5 Ne4 13.h3 a4) 9.a3 c5 10.b5 a6 11.Nc3 ab5 12.Nb5 Na6 13.Bd3 Bd7.

8.Nc3 a5 9.b5 cb5 10.Nb5 Nc6 11.0-0 Qb6 12.d5 Nb4 13.Bd4 Qd8.

8.Nc3 Qb6 9.a3 a5 10.Nh4 Be6 11.b5 cb5 12.Nb5 Na6 13.0-0 Rfd8.

8.Nc3 Nbd7 9.0-0 Qb6 10.Qb3 a5!? 11.b5 cb5 12.Nb5 Ne4=.

8.Nc3 Nbd7 9.0-0 Qb6 10.Qb3 a5 11.b5 Ne4 12.Ne4 Be4 13.Ng5 a4.

8.Nc3 Nbd7 9.0-0 Qb6 10.Qb3 Be6 11.Ng5+/- Bf5 12.e4 Bh6 (12...Bg4 13.Bg4 Ng4 14.h3+=) 13.Nf7 (13.c5!? Qc7 14.Nf7 Rf7 15.ef5 gf5 16.cd6 ed6+–) 13...Rf7 14.c5 (14.ef5 Qd4 15.c5 Qh4+/-) 14...Qc7 (better is 14...Be6! 15.Qe6 Qb4 16.cd6 ed6+/-) 15.ef5+– d5 16.fg6 hg6 17.Qc2 Rg7 18.Qd3 (18.Rad1 e5+–) 18...Kf7 (18...e5!?+–) 19.Rae1 Rh8 (19...Kg8 20.Bf3+–) 20.h3 (20.g3 b6+–) 20...Rgh7 (20...Bf4+–) 21.Bd1 Bg5 22.Qe2 (22.Bc2 Rg7+–) 22...Kf8 (22...Re8 23.Bc2+–) 23.Qf3 (23.Bc2 Rg7+–) 23...Qf4 (23...Rh4 24.Na4+–) 24.Qf4 (better is 24.Qd3!?+–) 24...Bf4+/- 25.Bc2 (25.Re2 Rh5+/-) 25...Rg7 (25...Kf7!?+/-) 26.Re6+– g5 27.g3 Bc7 (27...Rh3 28.b5 cb5 29.Kg2+–) 28.Kg2 (28.b5 Nb8 29.Kg2 Ba5+–) 28...Ng8 (28...Kf7 29.Rfe1 Re8 30.b5 cb5 31.Nb5+–) 29.b5 Rh6 30.Rfe1 Nb8 (30...Re6 31.Re6 Kf7 32.Re3+–) 31.bc6 bc6 (31...Re6 32.Re6 bc6 33.Bc1+–) 32.Rh6 (32.R6e2 Nd7+–) 32...Nh6 33.Re6 Nf7 34.Ba4 (34.Bf5 Nd8 35.Re3 Rf7+–) 34...Nd8 35.Rh6 (35.Re3 Rf7+–) 35...Kf7 (35...Nf7 36.Rc6 Nc6 37.Nd5+– (worse is 37.Bc6 e6+/-)) 36.Bc2 Ne6 37.Nd1 Ba5 38.Ne3 Nf8 39.Ng4 Nfd7 40.Bf5 Nf6 41.Nf6 ef6 42.Rh8 Bc7 43.Rc8 Na6 44.Bd3 Nb4 45.Rc7 Kg8 46.Rg7 Kg7 47.Bb1 Kf7 48.Bc3 Na6 49.Ba5 Ke6 50.g4 Kd7 51.Bf5 Ke8 52.Bc8 Nb8 53.Bc7 Nd7 54.Bb7 Nf8 55.Bc6 Kf7 56.Bd5 Ke8 57.c6 f5 58.gf5 g4 59.hg4 a5 60.Bd6 a4 (60...Kd8 61.Bf8 Kc7 62.f6 a4 63.f7 Kb6 64.Bc5 Kb5 65.f8Q a3 66.c7 Ka4 67.Bc4 Ka5 68.Qa8#) 1–0. Djurkovic,M (2125) – Filip,Matej, 12th Open Ljubljana SLO, 2001. (=1.d4 Nf6 2.Nf3 g6 3.b4 c6 4.c4 Bg7 5.e3 0-0 6.Bb2 d6 7.Be2 Bf5)

7.Be2 Bg4

8.0-0 d5 9.cd5 cd5 10.b5 (10.Nc3 a6 (10...Qd6 11.a3 Rc8 12.Rc1 a6 13.Bd3 Nc6=; 10...Qb6 11.a3 Rc8 12.Rc1 Nbd7 13.Qb3 Qd6=) 11.h3 Bf3 12.Bf3 Nc6 13.a3 Qd6=; 10.a3 Nbd7 (10...Qd6 11.Nc3 Rc8 12.Rc1 Nc6 13.h3 Bf3=; 10...a6 11.Nc3 Qd6 12.Rc1 Rc8 13.Bd3 Nc6=; 10...Qb6 11.Nc3 Rc8 12.Rc1 Nbd7 13.h3 Bf5=; 10...Qd7 11.Nbd2 Rc8 12.Rc1 Rc1 13.Qc1 Nc6+=) 11.h3 Bf3 12.Bf3 Nb6 13.Nd2 Qd7=; 10.Qa4 a6 (10...Nbd7 11.Rc1 Nb6 12.Qb3 Rc8 13.Nbd2 Qd6=; 10...Qd7 11.Bb5 Qd6 12.Ne5 Nbd7 13.Rc1 Bf5=; 10...Qb6 11.Rc1 a6 12.b5 Nbd7 13.Ba3 Rfe8=; 10...Qd6 11.Nc3 a6 12.b5 Rc8 13.Rac1 Qe6=) 11.b5 Nbd7 12.Rc1 Nb6 13.Qb3 Bf3=; 10.Qb3 a6 (10...Nc6 11.Rc1 Rc8 12.Nc3 a6 13.Na4 Rc7=; 10...Qb6 11.Nc3 Qe6 12.h3 Bf5 13.g4 Be4+=) 11.Nc3 Nc6 12.Rfc1 Qd6 13.b5 ab5=) 10...Nbd7 (10...a6 11.Qa4 Nbd7 12.Rc1 Qb6 13.Ba3 Rfe8=) 11.a4 (11.Nc3 Nb6 12.Ne5 Be2 13.Qe2 Qd6=) 11...b6 (11...Nb6 12.Nbd2= Rc8 13.Rc1 Qd6=; 11...Rc8 12.a5 Ne4 13.h3 Bf3=) 12.Ba3 (12.Nc3 Rc8+= 13.Rc1 e6+=) 12...Re8 (12...Rc8 13.Qb3+= Re8+=) 13.Nbd2 (13.Nc3 Rc8+=) 13...e5 (13...Rc8 14.Bb4=) 14.de5 Ne5 15.Ne5 Be2 16.Qe2 Re5 17.Nf3 (17.Bb2 Re8+=) 17...Rh5 (17...Re8 18.Qd3+=) 18.Bb2 Ne4 19.Bg7 Kg7 20.Qb2 Qf6 (20...Kg8+=) 21.Qa2 (21.Qf6 Nf6 22.Rfc1 a6+/-) 21...Ng5 (21...a6 22.ba6 Ra6 23.Rfc1=) 22.Ng5+= Rg5 23.f4 (23.Rac1 Qf3 24.g3 Rg4+=) 23...Rh5= 24.Rac1 (24.Qd2 Re8=) 24...Qe6 (24...Re8 25.Qb3=) 25.Qb2+= Kg8 26.Rfe1 ½–½. Schmidbauer,Josef – Kirschner,Christian, Niederbayern–chB, 1998.

8.Nbd2 c5 9.h3 Bf5 10.a3=.

8.Nbd2 Nbd7 9.0-0 c5+=.

8.Nbd2 Nbd7 9.Qb3 a5= 10.a3 ab4 (10...e5 11.de5 de5 A) worse is 12.Be5 Bf3 (12...Ne5?! 13.Ne5 Be2 14.Ke2+=) 13.Nf3 Ne5 14.Ne5 ab4–/+; B) 12.Ne5 Ne5 13.Be5=) 11.ab4+= Qc7 (11...Ra1 12.Ba1 Qc7 13.0-0=) 12.0-0 e5 13.de5 (13.e4 ed4 14.Nd4 Be2 15.Ne2 Ra1 16.Ra1 Re8+=) 13...Ne5 (13...de5 14.e4+=) 14.h3 Bf3 (14...Be6 15.Nd4+=) 15.Nf3 Nfd7 (15...Ne4 16.Qc2 f5 17.Nd2 Nd2 18.Qd2+=) 16.Rfd1 (16.Nd2 Nf6+=) 16...Nf3 17.Bf3 Bb2 18.Qb2 Ne5 19.Be2 Qe7 20.b5 (20.Qd2 Ra1 21.Ra1 Re8+=) 20...c5 (20...Qe6 21.Qd4+=) 21.Qd2 Ra1 22.Ra1 Qe6 23.Qc2 (23.Qc3 Re8+/-) 23...Rd8 (23...f5 24.Ra7+=) 24.Qe4 (24.Ra7!?+/-) 24...d5+= 25.cd5 Qd5 (25...Rd5 26.Ra7 b6 27.Qc2+=) 26.Qd5 Rd5 27.f4 Rd2 28.Kf1 Nd7 29.Ra7 b6 30.Rb7 Rd6 31.Bf3 (31.Kf2 Kg7+=) 31...c4= 32.Rc7 Nc5 33.Rc6 Rc6 34.bc6 Na6 35.Ke1 (35.Ke2 b5=) 35...Kf8 36.Kd2 Ke7 37.e4 Kd6+= 38.e5 Kc5 39.g4 h6 40.f5 gf5 41.gf5+= Nc7 42.Ke3 b5= 43.Bh5 Nd5 44.Kd2= Kc6 45.Bf7+= Nf4 46.f6+/- Kd7 47.Kc3 Ne6 48.h4 Nf4 49.Kd4 Ne6 50.Kd5 Nf4 51.Ke4 Ne6 52.Kd5 Nf4 53.Kd4 Ne6+= 54.Ke4 c3 55.Kd3 b4 56.Bg8 Nf4 57.Kc2 Ne6 58.Kc1 Nd4 59.Bf7 b3 60.Bh5 Ke6–/+ 61.Bg4 Kf7 62.Bh5 Kf8 63.Kd1 Kg8–+ 64.Bg4?? b2 (64...b2 65.Be6 Kf8–+) 0–1. Geiser,A – Jakob,S, Mendrisio, 1989.

8.Nbd2 Nbd7 9.h3 Bf3 10.Nf3 Re8 11.0-0 Qc7 12.Qb3 e5 13.c5 (13.Qc2 e4 14.Nd2 a5+=) 13...ed4 (13...Nd5 14.de5 dc5 15.e4–/+) 14.cd6+= Qd6 15.Bd4 Nf8 (15...Nd5 16.Rad1+=) 16.Ng5 (16.Rfd1!?+=) 16...Qd5= 17.Qd5 Nd5 18.Bg7 Kg7 19.a3 (19.Bc4 Nb4 20.Nf7 b5=) 19...h6 20.Nf3 Ne6 (20...a5 21.Bc4=) 21.Rac1 Rad8 (21...Ndc7 22.Rfd1=) 22.Rc2 (22.Rfd1 Re7=) ½–½. Ehrlich,Hans_Georg (1905) – Grcic,Milanko (1745), 04sen.DSB–Senioren Derby, 2005.

8.0-0 Nbd7

9.Nbd2 a5 10.a3 ab4 11.ab4 Qb6 12.Qb3 e5 13.h3 Bf3 14.Bf3 Ra1 15.Ra1 Ne8 16.c5 Qc7 17.Bc3 ed4 18.ed4 d5 19.b5 Qf4 20.g3 Qf6 21.Qb4 Bh6 22.Bg4 Qd8 23.Nb3 f5 24.Bf3 Nef6 25.Qa4 Nb8 26.Qa8 Ne4 27.Ra7 Qc8 28.Be4 fe4 29.Qb7 Qb7 30.Rb7 cb5 31.Na5 e3 32.f4 g5 33.f5 Bg7 34.g4 b4 35.Rb4 Na6 36.Rb3 Re8 37.Kf1 e2 38.Ke1 Re3 39.Bd2 Re4 40.Nc6 (40.Bg5?! Bd4 41.Bd2 Nc5=) 40...Bd4 41.Nd4 Rd4 42.Bg5 Nb4? (better is 42...Nc5 43.Rb8 Kg7+–) 43.Ke2 Rc4 44.Ra3 Nc6 45.Be3 Re4 46.Kf2 d4 47.Bh6 Kf7 48.Ra6 Nb4 49.Ra7 Kf6 (49...Re7 50.Re7 Ke7+–) 50.Kf3 Re1 (50...Re7 51.Bg5! Kg5 52.Re7 h5+–) 51.Bg7 Kg5 52.h4! (52.h4 Kh4 53.Bf6 Kh3 54.Rh7) 1–0. Schlinkmeier,Karsten (2105) – Tudosa,Daniel (1935), Regionalliga SW, 1997. (=1.e3 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 c6 7.Be2 Bg4 8.0-0 Nbd7)

9.Nbd2 a6 10.h3 Bf3 11.Bf3 Re8 12.Qc2 e5 13.a4 (13.Rfd1 d5+=) 13...Qc7 (13...d5 14.Rfc1+=) 14.Rfe1 (14.a5 ed4 15.ed4 Qd8+=) 14...Rac8 15.Rac1 Qb8 (15...c5 16.bc5 dc5 17.d5+=) 16.Qb3 White plans b5 (16.Red1 d5+=) 16...Qa7 (16...e4 17.Be2+=) 17.Bc3 (17.Red1 e4 18.Be2 b6+=) 17...h6 (17...e4 18.Be2+=) 18.Rb1 (18.a5 e4 19.Be2 Rb8+/-) 18...e4 (18...b5 19.Rbc1+=) 19.Be2 d5 (19...Qb8 20.b5+=) 20.b5 ab5 21.ab5 Qb8 (21...Qb6 22.c5 Qd8 23.Ra1+=) 22.c5+/- Qc7 (22...Kh7 23.Ba5+/-) 23.b6 Qd8 24.Ra1 Qe7 25.Ra7 Rb8 26.Rea1 (26.Qc2 Qe6+/-) 26...g5 (26...Kh7 27.Qc2+/-) 27.Qa4 (27.Qc2 Qe6+–) 27...Qe6 (27...Nf8 28.Nf1+–) 28.Nb3 (28.Qd1 Re7+–) 28...Nf8 (28...g4 29.hg4 Ng4 30.Be1+–) 29.Na5 Re7 30.Ba6! ba6 31.Re7 Qe7 32.Nc6 Qe8 33.Nb8 Qb8 34.Qa6 Ne6 (34...N8d7+–) 35.Qa8 Qa8 (35...Nd7 36.c6 Kh7 37.Qb8 Nb8 38.c7+–) 36.Ra8 Kh7 37.b7 Nd7 38.c6 Nb6 39.Ra6 Bf8 40.b8Q Nc4 41.c7 Nc7 42.Qc7 Kg7 (42...Kg8 43.Ra7 Bd6 44.Qf7 Kh8 45.Qg7) 43.Ra7 Nd6 (43...Be7 44.Qe7 Kh7 45.Qf7 Kh8 46.Qf8) 44.Bb4 h5 (44...Kf6 45.Bd6 g4 46.Be5 Kg5 47.h4 Kh5 48.Qf7 Kh4 49.Bf6) 45.Bd6 g4 (45...Kg6 46.Qf7 Kh6 47.Bf8) 46.Qf7 (46.Qf7 Kh6 47.Qf6) 1–0. Janek – enoli, internet free game, 2017.

9.Nbd2 Qc7 10.h3 Bf3 11.gf3 c5+=.

9.Nbd2 Qc7 10.h3 Bf3 11.Nf3 e5 12.de5 de5= 13.Qc2 e4 14.Nd2 Rfe8 15.a3 Rad8 16.c5 a6 (16...Re6 17.Rfd1+=) 17.Bd4 Nf8 (17...Re6 18.Rfd1+/-) 18.Rad1 Ne6 (18...N8d7!?+/-) 19.Bf6+– Bf6 20.Ne4 (20.Qe4?! Nd4 21.Qd3 Nb5=) 20...Be7 21.f4 (21.Qc3 a5+–) 21...Rd1 22.Rd1 Rd8 23.Kf2 Kg7 24.Bc4 Qc8 (24...Kg8 25.Rd8 Nd8 26.Qd3+–) 25.Qc3 f6 (25...Kg8 26.Nd6 Bd6 27.Rd6 Rd6 28.cd6+–) 26.Rd6! Bd6?? (26...Rd6 27.cd6 Bd8+–) 27.Qf6 (27.Nd6?! Qd7+=; 27.cd6?! Rf8+=) 27...Kh6 28.Be6 (28.Qe6?! Qe6 29.Be6 Be7+/-) 28...Be7 29.Qe7 (29.Qe7 Rd1 30.Nf6 Rd2 31.Kf3 Rf2 32.Kf2 Qh8 33.Ng4 Kh5 34.Qg5) 1–0. Adlai – Bcbuub, internet, 2019.

9.Nbd2 Qc7 10.h3 Bf3 11.Nf3 Rfe8 12.Qc2 Rad8 13.Ng5 h6 14.Ne4 Ne4 15.Qe4 e5 16.Qc2 ed4 17.Bd4 Bd4 18.ed4 Re7 19.Bd3 Kg7 20.Rae1 Rde8 21.Re7 Re7 22.Qd2 Nf6 23.Re1 Qd7 24.a4 Qe8 25.Re7 Qe7 26.b5 c5 27.Qc3 b6 28.d5 Kh7 29.Kf1 Nd7 30.g3 Qe5 31.Qe5 Ne5 32.Be2 Kg7 33.f4 Nd7 34.Kf2 f5 35.g4 Nf6 36.Ke3 fg4 37.hg4 h5 38.g5 Ng8 39.f5! gf5 40.Bh5 Ne7 41.Kf4 Kh7 42.Bd1 Kg6 43.Bc2 Kg7 44.Bf5 Ng8 45.Bc2 Ne7 46.Bd3 Kf7 47.Kg4 Kg7 48.Kh5 Ng8 49.Bc2 Ne7 50.g6 Ng8 51.Kg5 Ne7 52.Bd3 Ng8 53.Kf5 1–0. Fournier,Frederic (2575) – Drachentoeter (2230), Active (5/0), 2004.

9.Nbd2 Qc7 10.h3 Bf3 11.Nf3 Ne8 12.Qc2 (12.Re1 c5+=) 12...e5 (12...c5 13.a3+=) 13.de5 (13.a3 Nef6+=) 13...Ne5 (13...de5 14.Rfd1+=) 14.Nd4 (14.Rfd1 f5+=) 14...Rd8 (14...Nf6 15.Rfd1+=) 15.f4 (15.Rad1 Nf6+=) 15...Nd7 16.a4 (16.Rad1 c5 17.bc5 Nc5+=) 16...Nef6= 17.Bf3 (17.f5 Rde8=) 17...Rfe8 18.Ra3 Nh5? (better is 18...Rc8=) 19.Bh5+– gh5 20.Nf5 Bb2 21.Qb2 f6 22.Rd3 Re6 23.Qf2 (23.Rfd1 Nb6 24.c5 Nd5 25.Nd6 h4+–) 23...Nf8 (23...Kf8 24.Rfd1 a5 25.Rd6 Rd6 26.Rd6+– (26.Nd6?! Nb8 27.c5 ab4+–)) 24.Qh4 (24.Rfd1 a5 25.ba5 Qa5 26.Nd6 f5+–) 24...Qf7?? (better is 24...Ng6 25.Qh5 Re4+–) 25.Nh6 (25.Nh6 Kg7 26.Nf7 Kf7 27.Qh5 Ke7 28.Rf3+–) 1–0. Janek – enoli, internet free game, 2017.

6.d4 Nc6

7.Qb3 a5 8.b5 a4 9.Qa3 Na5 10.Nbd2 Bf5 11.Be2 Re8 12.0-0 d5 13.cd5 Qd5 14.Rac1.

7.Qb3 e5 A) 8.de5 Ne5 (8...de5 9.Nc3 e4 10.Ng5 Ne5 11.Nce4 Ne4 12.Ne4 Qh4 13.Nc5 Re8 14.Rd1; 8...Ng4 9.ed6 Bb2 10.Qb2 Qd6 11.c5 Qe7 12.h3 Nge5 13.Nbd2 Nf3 14.Nf3) 9.Ne5 de5 10.Nc3 a5 11.Be2 ab4 12.Qb4 c6 13.Rd1 Qc7 14.0-0; B) 8.b5 Na5 (8...e4 9.bc6 ef3 10.cb7 Bb7 11.Qb7 Rb8 12.Qf3 Rb2 13.Bd3 c5 14.0-0) 9.Qa3 (9.Qa4 b6 10.Be2 ed4 11.Nd4 Bb7 12.0-0 Ne4 13.Nc3 Nd2 14.Rfd1; 9.Qb4 b6 10.de5 c5 11.Qa3 de5 12.Be5 Qe7 13.Be2 Rd8 14.Qb2) 9...e4 10.Qa5 ef3 11.gf3 Bf5 12.Nc3 a6 13.Be2 ab5 14.Qb5.

7.Nc3 Nb4 8.a3 Nc6 9.Be2 e5 10.0-0 ed4 11.Nd4 (11.ed4 Re8+=) 11...Ne5 (11...Nd4 12.ed4 d5 13.cd5 Nd5 14.Nd5 Qd5 15.Bf3–/+) 12.Re1 (12.Rb1 Re8+=) 12...a6 (12...Be6 13.Qb3–/+) 13.Qb3 (13.Rb1 Be6 14.Qb3 b6+=) 13...Rb8 (13...Re8 14.Rad1–/+) 14.Rad1 Be6 The isolani on c4 becomes a target (14...Nfd7 15.Qc2–/+) 15.f4 (15.Ne6 fe6 16.c5 Qe7–/+) 15...Nc6–/+ 16.Ne6 (16.Nd5 Ne4+=) 16...fe6 17.Bc1 (17.c5 Qe7–/+) 17...Qe8 (17...Nd7 18.Ne4–/+) 18.Qc2 Ne7 (18...Nd7 19.Bb2–/+) 19.Bf3 c6 (better is 19...Qf7!?–/+) 20.Rd6= Nf5 21.Rd3 Rd8 (21...e5 22.e4 Nd4 23.Qf2+=) 22.Red1 Rd3 23.Qd3 Qe7 (23...e5 24.c5=) 24.a4 (24.e4 Nh4 25.Be2 Qc5 26.Qe3 Qe3 27.Be3 Nh5 28.Bh5 gh5+/-) 24...Nh4 (24...e5 25.Ne4 Ne4 26.Be4=) 25.Be2 e5 26.g3 (26.fe5 Qe5 27.g3 Nf5+=) 26...Nf5 (26...e4 27.Qb1 Nf5 28.c5=) 27.g4 Nh4 28.g5 Nh5 (28...Ne8 29.Ne4 Qe6 30.Qd7 Qd7 31.Rd7 ef4 32.c5 fe3 33.Be3+/-) 29.Ne4+/- ef4 30.Bh5 (30.Ba3 Qe6 31.Bf8 Qh3=) 30...gh5 31.ef4 Rf4?? (better is 31...Bd4! 32.Kh1 Qe6=) 32.Bf4+– Qf7 (32...Ng6 33.Qd8 Qd8 34.Rd8 Kf7 35.Rd7 Ke6 36.Nc5 Kf5 37.Be3+–) 33.Qg3 Nf5 (33...Ng6 34.Rd8 Bf8 35.Nf6 Kg7+–) 34.Rd8 Bf8 35.Qd3 h6 (35...Qe6 36.Bd6 Nd6 37.Nf6 Kf7 38.Qh7 Bg7 39.Qg8 Ke7 40.Rd7 Qd7 41.Qg7 Ke6 42.Qd7 Ke5 43.Qe7 Kf5+–) 36.Nf6 Kg7 (36...Kh8 37.Qf5 hg5 38.Rf8 Kg7 39.Qh7 Kf8 40.Bd6 Qe7 41.Qe7) 37.Qf5 (37.Qf5 hg5 38.Qg5 Qg6 39.Rd7 Be7 40.Re7 Kf8 41.Nd7 Kg8 42.Qg6 Kh8 43.Be5) 1–0. Adlai – Smured, corr, 2018.

7.a3 e5

8.b5 Nb8 9.de5 Ng4 10.Be2 Nd7 11.Nbd2 Nge5 12.Bd4=.

8.d5 Ne7 9.Be2 c6 10.dc6 bc6 11.0-0 Qc7 12.Nbd2 e4 13.Nd4 a6 14.Qc2 Bf5 15.Nf5 gf5 16.Rfd1 Ng6 17.g3 Rfe8 18.Nb3 Ne5 19.Kg2 Rad8 20.Rac1 Qe7 21.c5 d5 22.Ba6 Nfg4 23.Be2 Qg5 24.Bg4 Ng4 25.Bg7 Qg7 26.h3 Ne5 27.Nd4 Re6 28.Nf5 Qf6 29.Nd4 Qg6 30.Ne6 fe6 31.Qe2 Rf8 32.Rf1 Rf3 33.a4 h5 34.b5 h4 35.Kh1 Qf5 36.Kh2 Nd3 37.Rc2 Nf2 38.Rf2 hg3 39.Kg2 gf2 40.Qf2 Qg5 41.Kf1 Qe3 42.Re2 Rf2 43.Rf2 Qc5 44.Rg2 Kf7 45.Rf2 Ke7 46.h4 cb5 47.ab5 Qb5 48.Kg2 d4 49.h5 Qh5 50.Kf1 e3 51.Rf4 d3 52.Ra4 Qh1 0–1. raifllashtica (1745) – zenegblues (1750), kurnik, 2012. (=1.d4 d6 2.e3 Nf6 3.c4 g6 4.Nf3 Bg7 5.b4 0-0 6.Bb2)

8.de5 Ne5 9.Ne5+/- (worse is 9.Be5 de5 10.Nc3 a5+=) 9...de5 10.Qd8 Rd8 11.Be5 Ne4 12.Bg7 (12.Bc7? Rd7 13.Ra2 Rc7–+) 12...Kg7 13.f3 Nf6 14.Be2 Be6 15.Kf2 Rd7 16.Rd1 (16.Nc3 Rad8+/-) 16...Rad8? (better is 16...Rd1!? 17.Bd1 Bc4=) 17.Nc3+/- Rd1 18.Rd1 (18.Bd1?! Rd2 19.Ne2 Bc4=) 18...Rd1 19.Nd1 (19.Bd1?! Bc4 20.e4 c6+=) 19...Nd7 20.Nc3 Nb6 21.c5 Nc8 22.Nb5 c6 23.Nd4 h6 24.e4 Ne7 25.Ke3 Kf6 26.f4 Bc8 27.g4 g5 28.h3 Ng6 29.f5 Ne5 30.Nf3 Nd7 31.Kd4 Nb8 32.Bc4 Ke7 33.e5 f6 34.ef6 Kf6 35.Ne5 Bd7 36.Nf7 Kg7 37.Nd6 b6 38.cb6 ab6 39.Ke5 b5 40.Be6 1–0. Fournier,Frederic (1795) – TaeKwondo (1700), Active, 2007.

8.de5 Ng4!?=.

7.a3 e6

8.Nbd2 b6 9.Be2 Bb7 10.0-0 Qe7 11.Qc2 Nd8 12.e4 a5 13.b5 c5 14.e5 de5 15.de5 Nd7 16.Rfe1 a4 17.Ne4 Be4 18.Qe4 Rb8 19.Rad1 Re8 20.Rd2 Nf8 21.Red1 Nb7 22.Qc6 Na5 23.Qe4 Rbd8 24.Qc2 Rd2 25.Qd2 Nb7 26.Qc2 Rd8 27.Qa4 Rd1 28.Qd1 Na5 29.Bc3 Qa7 30.Qa4 Nd7 31.g3 h6 32.Qd1 Qc7 33.Bf1 Nb7 34.Qd2 Kh7 35.Qb2 Na5 36.h4 Qb7 37.Nd2 Qb8 38.f4 g5 39.hg5 hg5 40.Bd3 Kg8 0–1. barborski – freda (1630), kurnik, 2012.

8.Be2 a5 9.b5 Ne7 10.0-0 b6 11.Nbd2 Bb7 12.Rc1 Ne4 13.Qc2 Nd2 14.Nd2 c5 15.dc5 Bb2 16.Qb2 dc5 17.Rcd1 Qc7 18.Bf3 Nf5 19.Bb7 Qb7 20.Nf3 Rad8 21.Rd2 Nd6 22.Qc2 Qe4 23.Qe4 Ne4 24.Rc2 f6 25.Rfc1 Rd3 26.Ra1 Rfd8 27.g3 Kg7 28.h4 h5 29.Kf1 Rd1 30.Rd1= Rd1 31.Kg2 Kf7 32.Ng1 Ke7 33.Ne2 Ra1 34.Nc3+= Nd6 35.Ne2? Ra3–+ 36.Kf3? Ra4 37.Nf4 Kf7 38.g4? Rc4–+ 39.Rb2 Rb4 40.Rd2 e5 41.Nh5? gh5 42.Rd6 Rb5 43.gh5 a4 44.Rd7 Kg8 45.Rd8 Kh7 46.Ra8? Kh6 47.Ke4 (47.Ke4 Ra5 48.Rg8–+). futsalboy (1615) – pizecik, kurnik, 2011.

7.a3 Re8

8.Nbd2 e5 9.de5 Ne5 10.Be2 Nfg4 11.h3 Nf3 12.Bf3 Ne3 13.fe3 Qh4 14.Ke2 Bb2 15.Ra2 Bd4 16.Nf1 f5 17.g3 Qf6 18.Kf2 Bb6 19.Qd5 Be6 20.Qb7 Bc4 21.Rc2 Bf1 22.Rf1 Re3 23.Kg2 Rae8 24.Qd5 Kg7 25.a4 R8e5 26.Qb7 a5 27.ba5 Ra5 28.Rc7 Bc7 29.Qc7 Re7 30.Qa5 Qb2 31.Rf2 Qc1 32.Bd5 Qe3 33.Qd8 Re8 34.Qd6 Qe5 35.Qe5 Re5 36.Bf3 Ra5 37.Ra2 Kf6 38.Bc6 Ke5 39.Bb5 Kd4 40.Rc2 h5 41.Rc6 g5 42.Rh6 h4 43.gh4 gh4 44.Rh4 Ke5 45.Rc4 Ra7 46.Kf3 Rh7 47.h4 Rh5 48.Rc5 Ke6 49.Kg3 1–0. barborski – pomidor23 (1630), kurnik, 2012.

8.Be2 Bg4 9.0-0 e5 10.de5 Ne5 11.Ne5 de5?? (better is 11...Be2 12.Qe2 de5+=) 12.Bg4+– Ng4 13.Qg4 f5 14.Qe2 Qg5 15.Nd2 Rad8 16.Rad1 h5 17.Nf3 Qh6 (17...Qe7 18.e4+–) 18.Rd8 Rd8 19.Be5 h4 (19...Be5 20.Ne5 Qg7 21.f4+–) 20.Bg7 Kg7 21.Rd1 Rd1 22.Qd1 h3 23.Qd7 Kf6 24.Qd8 Kg7 25.Qc7 Kf6 26.Qe5 Kf7 27.Qc7 Kf6 28.Qb7 hg2 29.Qc6 Kg7 30.Qd7 Kf6 31.Qa7 Qh5 32.Qd4 Kf7 33.Qd5 Kg7 34.Qe5 Kh7 35.Kg2 1–0. Fournier,Frederic (1895) – doctorpeter (1660), Active, 2007.

7.a3 Bg4

8.Be2 a6 9.Nbd2 Qe8 (9...d5!?=) 10.h3 Bd7 11.0-0 e5 12.de5 de5 13.Qc2 h6? (13...e4 14.Nd4=) 14.c5 (14.b5 ab5 15.cb5 Na5 16.Be5 Bb5 17.Bb5 Qb5+/-) 14...Nh7 (14...e4 15.Nd4=) 15.Nc4 f6 16.Rad1 Rd8 17.Rd2 Be6? 18.Rfd1 Qe7? 19.Qg6 Ng5 20.Ng5 hg5 21.Qc2 Kf7 22.Bh5 Kg8 23.Bg6 f5? 24.Bh5 Qf6? 25.Be2 Qe7 26.Rd8 Rd8 27.Rd8 Qd8 28.Qd3 Qd3+= 29.Bd3 e4 30.Be2 Bb2 31.Nb2 Kf7 32.Bc4 Kf6 33.Be6 Ke6 34.Kf1 Kd5 35.Ke2 Ne5 36.Kd2 Nc4?? 37.Nc4+– Kc4 38.Kc2 b6 39.cb6 cb6 40.g3 a5 41.ba5 ba5 42.h4 gh4 43.gh4 a4 44.h5 Kd5 45.h6 Ke6 46.h7 1–0. Fournier,Frederic (1815) – Gronito61 (1820), Active, 2007.

8.Be2 Nd7 9.Nbd2 Ncb8 10.0-0 c5 11.bc5 dc5 12.h3 Bf3 13.Nf3 (worse is 13.gf3 Nc6–/+) 13...Nc6 14.Qc2 cd4 15.ed4 e6 16.c5 Ne7 17.Bc4 Rc8 18.Qb3 Nf5 19.Rfd1 (worse is 19.Qb7 Rb8 20.Qa7 Rb2–/+) 19...Qc7 20.Rac1 a6 21.Bd3 Ne7 22.Be4 Rfd8 23.Qb7 Qb7 24.Bb7 Rb8 25.c6 Nc6 26.Bc6 Rb2 27.Bd7 Rd7 28.Rc8 Bf8 29.Ne5 Ra7 30.Nc6 Rab7 31.Nb4 a5 32.Nd3 R2b3 33.Nc5 Rb1 34.Rb1 Rb1 35.Kh2 Kg7 36.Ra8 Rb5 37.Nd7? Bd6 38.g3 Ba3 39.Ne5 Bd6 40.Nc4 Bb4 41.Kg2 Rd5 42.Ra6 h5 43.h4 f5 44.Kf3 Kf6–+ 45.Ke3 Be1 46.Ra5?? Ba5–+ 47.Na5 Ra5 0–1. Fournier,Frederic (1635) – paspas (1785), Active, 2007.

8.Be2 Bf3 9.Bf3 Qd7 10.0-0 e6 11.Nd2 Rab8 12.Be2 Ne7 13.Nf3 Ne8 14.Qc2 e5 (14...d5!?+/-) 15.de5+– de5 16.Rad1 Qe6 17.c5 c6? (better is 17...b5!?+/-) 18.Bc4+– Qf5 19.Qf5 Nf5 20.Be5 Rc8 21.Bg7 Kg7 22.Rd7 Rb8 23.Rfd1 Nf6 24.R7d2 Ne4 25.Rd3 Nf6 26.Ne5 Rbe8 27.Nd7 Nd7 28.Rd7 Re7 29.Re7 Ne7 30.Rd7 Nf5 31.Rb7 Rd8 32.g3 Rd1 33.Kg2 Rc1 34.Bf7 Kh6 35.Ra7 1–0. Fournier,Frederic (1655) – Bekho448 (1605), Active, 2006.

7.Qb3 e6

8.b5 A) 8...Ne7 9.Bd3 (9.Nc3 a6 10.Bd3 ab5 11.cb5 Nfd5 12.h4 c5 13.h5 cd4 14.Nd5; 9.Nbd2 a6 10.Bd3 ab5 11.cb5 Bd7 12.0-0 Ned5 13.a4 Qe7 14.a5) 9...a6 10.Nc3 ab5 11.cb5 Ned5 12.0-0 Bd7 13.a4 b6 14.Ne2; B) 8...Na5 9.Qa3 b6 10.Nc3 a6 11.Bd3 d5 12.cd5 Nd5 13.Nd5 ed5 14.Qc3.

8.Nc3 A) 8...Re8 9.b5 (9.Be2 e5 10.de5 Ne5 11.0-0 Nf3 12.Bf3 a5 13.Nd5 ab4 14.Qb4) 9...Na5 10.Qa3 c6 11.Bd3 e5 12.de5 de5 13.Rd1 Qc7 14.Ng5; B) 8...Bd7 9.Bd3 (9.h3 Re8 10.Be2 e5 11.d5 Ne7 12.0-0 Nf5 13.Rad1 e4 14.Nd4; 9.Be2 e5 10.d5 Ne7 11.0-0 a5 12.ba5 Ra5 13.Qb7 Ra8 14.Qb4; 9.b5 Ne7 10.Bd3 a6 11.0-0 ab5 12.cb5 Ned5 13.a4 c6 14.Ne2; 9.Rd1 e5 10.de5 Ne5 11.Ne5 de5 12.Bd3 Qe7 13.0-0 Rfd8 14.f3) 9...e5 10.d5 Ne7 11.0-0 Nf5 12.h3 Re8 13.Ng5 a5 14.ba5; C) 8...e5 9.de5 Ne5 10.Be2 a5 11.Ne5 ab4 12.Qb4 de5 13.Rd1 Bd7 14.0-0.

8.Nbd2 A) 8...Bd7 9.Be2 (9.Bd3 a5 10.b5 Nb4 11.Be2 d5 12.c5 e5 13.Ne5 Bf5 14.0-0; 9.h3 Re8 10.b5 Ne7 11.Bd3 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1) 9...a6 10.0-0 Qe7 11.h3 d5 12.a3 Rfd8 13.Bd3 dc4 14.Nc4; B) 8...d5 9.Be2 (9.Bd3 a5 10.b5 Nb4 11.0-0 Qe7 12.Ba3 c5 13.bc6 bc6 14.Rab1; 9.b5 Na5 10.Qa3 b6 11.c5 a6 12.cb6 ab5 13.Bb5 Bd7 14.Qb4) 9...a6 10.0-0 Qe7 11.a3 Bd7 12.h3 dc4 13.Nc4 Nd5 14.Bd3; C) 8...e5 9.b5 Na5 10.Qb4 e4 11.Ne4 Ne4 12.Qa5 Bf5 13.Be2 a6 14.0-0; D) 8...a6 9.Bd3 (9.Be2 Qe7 10.0-0 Bd7 11.h3 d5 12.a3 dc4 13.Nc4 Nd5 14.Bd3; 9.h3 Bd7 10.Be2 b5 11.a3 Rb8 12.0-0 bc4 13.Nc4 Qe8 14.Qc2) 9...Qe7 10.0-0 e5 11.d5 Nb8 12.c5 e4 13.Bf6 Bf6 14.Ne4; E) 8...b6 9.Bd3 (9.Be2 Bb7 10.0-0 Qd7 11.Bc3 Ne7 12.Bd3 a6 13.a4 a5 14.b5; 9.g3 Bb7 10.Bg2 a5 11.b5 a4 12.Qc3 Ne7 13.0-0 Qd7 14.Rfe1; 9.Bc3 Bb7 10.Be2 e5 11.d5 Ne7 12.0-0 Qd7 13.e4 c6 14.Rac1; 9.b5 Na5 10.Qd3 a6 11.a4 d5 12.Ba3 Re8 13.Be2 Nc4 14.Nc4) 9...Bb7 10.0-0 a5 11.b5 Nb4 12.Be2 d5 13.c5 bc5 14.dc5.

8.Be2 Re8 (8...e5 9.b5 (9.de5 Ne5 10.Ne5 de5 11.0-0 Qe7 12.Nc3 c6 13.Rad1 Bf5 14.b5) 9...Na5 10.Qa3 b6 11.de5 Ng4 12.ed6 Qd6 13.Qd6 cd6 14.Bg7; 8...d5 9.Nc3 (9.0-0 dc4 10.Bc4 Nd5 11.a3 a5 12.Nc3 Qd6 13.Nd5 ed5 14.Bd5; 9.Nbd2 a6 10.0-0 Bd7 11.Ne5 dc4 12.Ndc4 Nd5 13.Bf3 Ne5 14.Ne5) 9...dc4 10.Bc4 Nd5 11.Nd5 ed5 12.Bd5 Nb4 13.Bc4 Qe7 14.0-0; 8...a6 9.0-0 (9.Nbd2 e5 10.0-0 e4 11.Ng5 Bf5 12.f4 a5 13.b5 Ne7 14.Rae1; 9.Nc3 e5 10.0-0 ed4 11.Nd4 Nd4 12.ed4 Re8 13.Rae1 Bf5 14.Bf3) 9...Bd7 10.Nc3 Qe8 11.h3 e5 12.d5 Ne7 13.c5 Bb5 14.Nb5; 8...Ne7 9.Nc3 (9.0-0 b6 10.Nc3 Bb7 11.Qc2 Qd7 12.h3 Nh5 13.Rad1 a6 14.Rfe1; 9.a3 a5 10.Nc3 ab4 11.ab4 Ra1 12.Ba1 b6 13.Bb2 Bb7 14.0-0; 9.Nbd2 b6 10.0-0 Bb7 11.Bd3 a5 12.b5 Qc8 13.e4 Qd7 14.Rfe1) 9...b6 10.0-0 Bb7 11.Qc2 Qd7 12.e4 Nh5 13.Qc1 f5 14.e5; 8...b6 9.0-0 (9.Nc3 e5 10.de5 Ne5 11.Ne5 de5 12.Bf3 Rb8 13.0-0 Bf5 14.e4) 9...a5 10.b5 a4 11.Qc2 Ne7 12.Ba3 e5 13.Nc3 Bf5 14.Qb2) 9.Nbd2 (9.0-0 Bd7 10.Nc3 a6 11.Rad1 e5 12.d5 Ne7 13.c5 a5 14.b5) 9...e5 (9...a5 10.b5 a4 11.Qc2+= (11.Qa3 Ne7 12.0-0 b6 13.Qd3 Bb7 14.Bc3) 11...Nb4 12.Qc3 a3 13.Ba3 Ra3 14.Qb4; 9...a6 10.0-0 Bd7 11.Rac1 Rb8 12.d5 ed5 13.cd5 Ne5 14.a4) 10.d5 (10.b5!? Ne7 (10...Na5 11.Qa3 ed4 12.Qa5 de3 13.fe3 Re3 14.Bd4) 11.de5 de5 12.Be5+/- (12.Rd1 Nf5 13.0-0 Qe7 14.Ne5) 12...Nf5 13.Rd1 Qe7 14.0-0) 10...Ne7 11.a4 (11.0-0 a5 12.ba5 Ra5 13.e4 c6 14.Bc3) 11...Nh5 (11...a5 12.0-0= (12.b5 Nd7 13.e4 Nc5 14.Qc2) 12...ab4 13.Qb4 Bf5 14.h3) 12.e4 (12.a5 Nf6+= (12...Nf5 13.g4 e4 14.gf5) 13.0-0 Bf5 14.h3; 12.0-0 a5 13.ba5 Ra5 14.Bc3) 12...h6 (12...Nf4 13.Bf1= a5 14.ba5) 13.g3 (13.0-0 Nf4 14.Bd1= (14.Qe3 Ne2 15.Qe2 a5=)) 13...f5= (13...Bh3 14.c5) 14.Nh4 (14.0-0+=) ½–½. Schmidt,Gregor – Hoffmann,Thomas, Bad Kreuznach op, 1995.

7.b5 Na5

8.Bc3 b6+= 9.Ba5 ba5 10.Qd2 e5 11.de5 Nd7 12.Be2 Ne5 13.Ne5 Be5 14.Nc3 Bb7=.

8.Bc3 b6+= 9.Bd3 a6 (9...c5 10.0-0 a6 11.a4 d5 12.Ba5 ba5 13.dc5 dc4 14.Bc4 ab5=) 10.Ba5 ba5 11.Nbd2 ab5 12.cb5 Bb7 13.Rc1 e5 14.de5 de5=.

8.Bc3 b6+= 9.Be2 Nb7 (9...c5 10.Ba5 ba5 11.Nc3 Bb7 12.0-0 cd4 13.Nd4 Qc7 14.Qd3 Rfc8=; 9...a6 10.Ba5 ba5 11.0-0 ab5 12.cb5 Bb7 13.Qa4 Qd7 14.Rc1 Rfc8+=; 9...Bb7 10.Ba5 ba5 11.Qa4 a6 12.Qa5 e5 13.0-0 ab5 14.Qb5 Rb8+=; 9...Bd7 10.Ba5 ba5 11.0-0 a6 12.Qa4 e5 13.Nc3 ab5 14.cb5 Qe7+=) 10.0-0 a6 11.ba6 Ra6 12.c5 Ra7 13.cb6 cb6 14.a4 Bf5=.

8.Bc3 e6?? 9.Ba5+– b6 (9...a6 10.ba6 b6 11.Bc3+–) 10.Bd2 d5 (10...Bb7 11.Nc3+–) 11.Nc3 (11.Bb4 Re8+–) 11...Bb7 12.Be2 (12.cd5 ed5 13.Bd3 Ne4+–) 12...Ne4 (12...dc4 13.Bc4 a6 14.a4+–) 13.0-0 (13.cd5 Nc3 14.Bc3 Qd5+–) 13...a6 14.a4 (14.cd5 Nc3 15.Bc3 Qd5+–) 14...a5 (14...Nd2 15.Nd2 e5 16.ba6 Ba6 17.cd5 ed4 18.ed4 Be2 19.Qe2 Bd4 20.Nde4+–) 15.Rc1 Nc3 (15...dc4 16.Ne4 Be4 17.Rc4+–) 16.Bc3 dc4 17.Bc4 Qe7 18.Ne5 (18.Re1 Rfd8+–) 18...Be5 19.de5 Qg5 20.g3 Qf5 (20...Rfd8 21.Qe2+–) 21.Bd3 Qh3 22.f3 Rad8 23.Bd4 h5 (23...Rd7+–) 24.Rc7 Bd5 (24...Rb8 25.Rf2 Rfd8 26.Bb6+–) 25.Rf2 Rb8 (25...Ba8 26.Bb6 Qf5 27.Bd4+–) 26.Bf1 Qf5 27.e4 Qg5 28.f4 Qd8 29.ed5 Qc7 30.Rc2 Qd7 31.d6 Rfc8 32.Bg2 Rc2 33.Qc2 Rc8 34.Bc6 Qd8 35.Qf2 Rb8 36.h4 Kg7 37.Qe3 Kf8 38.Bb2 Kg7 39.Qd4 Kf8 40.Ba3 Kg7 41.d7 f6 42.Bd6 fe5 43.Qe5 Kf7 44.Bb8 Ke7 45.Qg5 Kf7 46.Qd8 g5 47.Be5 gh4 48.Qf6 Kg8 1–0. Piriyev,Maksat – Mizikaci,Hakan, chessmoon.com, 2011.

8.Nbd2 c6 9.bc6 bc6 10.Be2 c5 11.0-0 Bf5 12.Qa4 Ne4 13.Ne4 Be4 14.Nd2 Bc6 15.Qa3 cd4 16.ed4 Bd7 17.Bc3 Nc6 18.Nf3 Bg4 19.h3 Bf3 20.Bf3 Nd4 21.Ba8 Ne2 (worse is 21...Qa8 22.Bd4 Bd4 23.Rad1+=) 22.Kh1 Bc3 (worse is 22...Nc3 23.Bf3 Qc7 24.Rfc1 Qc4 25.Qa7=) 23.Bf3 Ba1 24.Ra1 Nd4 25.Qa7 Nf3 26.gf3 Qc8 27.Kg2 Qe6 28.c5 Qe5 29.cd6 ed6 30.Rd1 Qg5 31.Kh2 Rc8 32.Qd4 Rc2 33.Re1 Qd8 34.a4 Rc8 35.Rd1 Ra8 ½–½. Krnic,Zdenko (2380) – Popovic,Aleksandar M (2300), Belgrade–chT, 2009. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Nc6 7.b5 Na5)

8.Bd3 b6 9.0-0 c5 10.Nbd2 Bg4 (10...cd4 11.Bd4 Qc7 12.Qe2+=) 11.h3 Bd7 12.Nb3 e6 (12...Nb7 13.dc5 Nc5 14.Nc5 bc5 15.e4+=) 13.Na5+/- ba5 14.dc5 dc5 15.Rb1 (15.Be5 Bc8+/-) 15...Qb6 (15...Bc8 16.e4+/-) 16.Bc2 (16.e4 Rad8+/-) 16...Bc8 17.Qe2 Bb7 (17...a6 18.Be5+/-) 18.e4 Rfd8 19.a4 Rd7 (19...a6 20.Be5+/-) 20.e5 (20.Ne5 Rdd8+/-) 20...Ne8 21.Ng5 (21.Rfd1 Rad8+/-) 21...h6 (21...Rad8 22.Ne4+=) 22.Ne4+/- Rad8 23.Bc3 Qc7 (23...Kh7 24.Qe1 Qc7 25.f4+–) 24.f4 Be4 (24...Rb8 25.Qe1+–) 25.Be4 Qb6 (25...f5 26.ef6 Bf6 27.Bf6 Nf6 28.Bg6+–) 26.Qe1 Rc8 (26...Qb8 27.Ba5 Rc8 28.b6 ab6 29.Bb6+–) 27.Ba5 Qb8 28.Qe2 1–0. DEFFM – GuestLDYN, freechess.org, 2018.

7.b5 Nb8

8.a4 c6 9.Bd3 cb5 10.ab5 a6 11.Nbd2 (11.0-0 Qc7+=) 11...Nbd7 (11...Qc7 12.Qb3+=) 12.0-0 e5 (12...Qc7 13.ba6 ba6 14.Qa4+=) 13.Qc2 (13.ba6 ba6 14.Ne4 ed4 15.Nf6 (worse is 15.Nd6 de3 16.Nc8 ef2 17.Rf2 Qc8+=) 15...Nf6 16.Nd4+=) 13...a5 (13...Re8 14.Ne4 Qc7 15.Rfb1+=) 14.Ba3 (14.de5 de5 15.Ne5 Nc5+/-) 14...e4 (better is 14...Ne8!?+/-) 15.Ne4 Ne4 16.Be4 Nf6 17.Bd3 b6 (17...Bg4 18.Nd2+–) 18.Be4 (18.Nd2 Re8+–) 18...Ne4+/- 19.Qe4 Bf5 (19...Be6 20.Rfc1 Re8 21.Qf4+/-) 20.Qc6 (better is 20.Qf4!?+–) 20...Rc8+/- 21.Qd6 Qd6 (better is 21...Bd3!? 22.Rfc1 Rc4 23.Rc4 Bc4+/-) 22.Bd6+– Rfd8 23.c5 bc5 (23...Bd3 24.Rfc1 bc5 25.Bc5 Bb5 26.Ra5+–) 24.Bc5 Rc5 (24...Ra8 25.Ra3 a4 26.Rfa1+–) 25.dc5 Ba1 26.Ra1 Ra8 (26...Rd5 27.Rc1 a4 28.b6+–) 27.c6 Be4 28.Nd4 a4 (28...Kg7 29.f3 Bd5 30.e4 Bc6 31.Nc6+–) 29.b6 Ra6 (29...Rb8 30.c7 Rf8 31.Ra4+–) 30.b7 (better is 30.Rb1! Bb1 31.b7+–) 30...Bc6 (30...Rb6 31.g3 Kg7+–) 31.b8Q (31.b8Q Kg7 32.Qe5 Kg8 33.Nc6 Rc6 34.Qe8 Kg7 35.Qc6 a3 36.Ra3 h5 37.Qc3 f6 38.Ra7 Kh6 39.Qd4 f5 40.Qf4 g5 41.Qd6) 1–0. GuestSSMC – GuestFTKD, freechess.org, 2018.

8.Nc3 a6 9.a4 c5 10.bc6 Nc6 11.Bd3 e5 12.0-0=.

8.Nc3 c6 9.a4 (9.Be2 a6 10.bc6 Nc6 11.0-0 Bf5 12.Rc1+=) 9...a6 (9...c5 10.Bd3 cd4 11.ed4 Nbd7 12.0-0+=) 10.c5 (better is 10.Bd3!?+= c5 11.0-0 Nbd7 12.Qe2+=) 10...dc5+= 11.dc5 Qa5 12.Qd2 (12.Nd4 Qb4 13.Qb3 Qc5+=; 12.Nd2+=) 12...Rd8 13.Qc2 Bf5 14.Qb3 Ne4 15.Nd4 Nc5 (15...Rd4!? 16.ed4 Bd4 17.Bc4 Bc3 18.Bc3 Qc3 19.Qc3 Nc3 20.–0–+) 16.Qc4–/+ Ne4 17.f3 (17.Ra3 Nd2! 18.Kd2 e5–+) 17...Bd4 (17...Nd2 18.Qe2 Nf1 19.Kf1 ab5 20.Kf2–+) 18.ed4–/+ Nd6 19.Qb3 Be6 20.Qc2 (20.Qa3 b6–/+) 20...Nf5–+ (20...ab5?! 21.ab5 Qa1 22.Ba1 Ra1 23.Kf2 cb5 24.Qb2+=) 21.Kf2? (better is 21.Bd3–+) 21...Nd4 (21...Rd4?! 22.Ne4 Rd8 23.bc6 Qb6 24.Nc5–+) 22.Qe4 Nf5 (22...Qb4 23.Nd1–+) 23.Bd3 (23.Ke1 Bd5 24.Qf4 Bb3–+) 23...Qb6 24.Ke2 (24.Ke1–+) 24...Rd4 25.a5 Re4 (25...Re4 26.Ne4 Qe3 27.Kf1 Qd3 28.Kg1 Qe2–+) 0–1. Wessel,Volkmar – Lorenzen,Sven, Schleswig Holstein–ch cand, 1994.

8.Bd3 a6 9.0-0 ab5 10.cb5 c5 11.dc5 dc5 12.Qc2+=.

8.Bd3 c5 9.0-0 a6 10.dc5 dc5 11.Qc2 ab5 12.cb5+=.

8.Bd3 e5 9.de5 Nfd7 10.0-0 Nc5 11.Bc2 Nbd7 12.Nbd2+=.

8.Be2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.bc6 Nc6 13.0-0 Re8 14.Qb3 e5 15.Rd1 e4 16.Nfd2 Bf5 (16...Qe7 17.d5 Nd8 18.Bd4+=) 17.Nc3 (17.Qb7 Bd7+/-) 17...h5 (better 17...Qe7!?+=) 18.Qb7+/- Qc8 19.Qb5 Re7 (19...Qd7 20.Nd5+/-) 20.Rb1 (20.Nd5 Nd5 21.Qd5 Qc7+-) 20...Kh7 (20...Ra7 21.Qb3+/-) 21.Nd5+- Nd5 22.cd5 (22.Qd5 Re6+-) 22...Na7 (22...Nd8 23.Qa4+/-) 23.Qb6 Qc2 24.Qb2 (24.Qd6 Qd2 25.Qe7 Nc8 26.Qf7 Qe2+/-) 24...Qb2+/- 25.Rb2 Rc7 26.h3?? (better 26.Bc4+/-) 26...Rc1-/+ 27.Kh2 Ra1 28.Rb7? (28.g4!? hg4 29.hg4=+) 28...Kh6 (28...Ra2 29.Nc4 Nc8 30.Bd1 Rf2 31.Rf7-+) 29.Bf1 (better 29.f3 ef3 30.Bf3-+) 29...Ra2 30.Nb3 (30.Nc4 Nc8-+) 30...Nc8 (better 30...Rf2 31.Ra7 Rf1-+) 31.Ba6?? (31.Kg1-+) 31...Rf2 (31...Ra6!? 32.Rc7-+) 32.Rf7 (32.Bb5 Ra2 33.h4 Bf6-+) 32...Rb2 (better 32...Nb6 33.h4-+) 33.Bc8 (33.Na5 Nb6 34.Bc4 Rb4-+ (34...Nc4?! 35.Nc4 Rb5 36.Nd6 Rd5 37.Ne8-+)) 33...Rb3 34.Bf5 gf5 35.Rf5 Re3 36.Rf7 (36.g4 hg4 37.hg4 Bd4-+) 36...Bd4 37.Rf6 (37.Rd7 h4 38.Re7-+) 37...Bf6 38.Kg1 Be5 39.Kf2 Rd3 (39...Rb3 40.g4 Bd4 41.Ke1 Rb1 42.Ke2 Rb2 43.Kf1 e3 44.g5 Kg5 45.Ke1 Bc3 46.Kf1 Kf4 47.Kg1 e2 48.Kf2 e1Q) 40.Ke2 Rd5 (40...Bg3 41.h4 Kg7 42.Kf1 Re3 43.Kg1 Re1) 41.g3 Rd3 42.g4 Rh3 43.g5 Kg5 44.Kf2 Kg4 45.Kg1 (45.Ke1 Rd3 46.Kf2 Bg3 47.Ke2 d5 48.Kf1 Kf3 49.Kg1 Rd1) 45...Rf3 (45...Kf3 46.Kf1 Rh1) 46.Kg2 d5 47.Kg1 (47.Kh1 Kh3 48.Kg1 Bd4 49.Kh1 Rf1) 47...d4 (47...Kh3 48.Kh1 Rf1) 48.Kg2 d3 49.Kg1 (49.Kh1 Kg3 50.Kg1 Bd4 51.Kh1 Rf1) 49...Rf2! 50.Kf2 (50.Kf2 Bd4 Combination) 50...d2 (50...Bf4 51.Kf1 e3 52.Ke1 Kf3 53.Kd1 e2 54.Ke1 d2) 51.Ke2-+ Bd4 (51...e3 52.Kd3 d1Q 53.Kc4 e2 54.Kc5 Qd6 55.Kc4 e1Q 56.Kb3 Qc3 57.Ka4 Qdc6) 52.Kd2 h4 53.Ke2 h3 54.Kf1 h2 55.Kg2 (55.Ke1 h1Q 56.Kd2 Qg2 57.Kd1 Bc3 58.Kc1 Qd2 59.Kb1 Qb2) 55...e3 56.Kh2 e2 57.Kg2 (57.Kh1 e1Q 58.Kg2 Qg1) 57...e1Q 58.Kh2 Qe2 (58...Qg1) 59.Kh1 Qf1 60.Kh2 Be5 0-1. peoncuatrorey (1955) - Bikfoot (2100), Rated Bullet game, lichess.org, 2015. (=1.Nf3 d6 2.c4 Nf6 3.d4 g6 4.b4 Bg7 5.Bb2 0-0 6.e3 Nc6)

8.Be2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.0-0 Nb6 13.Qc2 Bf5 14.Bd3 Bd3 15.Qd3 Qd7 16.Nbd2 Ra8 17.Rb1 Ne8 18.Bc3 Na4 19.Ra1 Qc8 (19...c6 20.bc6 bc6 21.Qc2=) 20.Qc2 (20.Nb3 Nc3 21.Ra8 Qa8 22.Qc3 Qa2+=) 20...Nc3 21.Ra8 (21.Qc3 Ra1 22.Qa1 c5+=) 21...Ne2= 22.Kf1 Ng3 23.hg3 Qa8 24.Ke2 Nf6 25.Ne4 b6 26.Nf6 Bf6 27.Nd2 (27.g4 h6=) 27...c5 (27...Qg2 28.Qe4 Qe4 29.Ne4=+) 28.d5 (28.bc6 Qc6 29.Qe4 Qc7=) 28...Qa5 29.Nb3 Qa3 30.Nd2 Kg7 31.Qe4 Qb2 32.g4 h6 33.Qd3 Bc3 34.f4 (34.Kd1 Be5=) 34...Bd2 (better 34...Bb4-/+) 35.Qd2= Qf6 (35...Qd2 36.Kd2 Kf6 37.e4=) 36.Kf3 Qh4 37.Qf2 (37.Qc3 Qf6 38.Qd3 Qb2=) 37...Qf6 38.Ke2?? (38.Qc2 Qa1=) 38...g5?? (better 38...Qc3-+) 39.fg5 (39.Kd3 Qa1=+) 39...Qg5 (39...Qf2 40.Kf2 hg5 41.Kf3=+) 40.Qf4 (40.Qf5 Qf6=) 40...Qg6 (40...Qf4!? 41.ef4 e6-/+) 41.Kf3 (41.Kd2 Qf6 42.g3 Kg6=) 41...f6 (better 41...Qf6=+) 42.Qe4 Qg5?? (42...Qe4 43.Ke4 Kg8+-) 43.Qe7+- Kg6 44.Qe8 (44.Qd6 Qh4 45.Qd8 Kg7 46.Qb6 Qe1 47.Qc5 Qf1 48.Ke4 Qb1 49.Kd4 Qb2 50.Kd3 Qb3 51.Kd2 Qb2 52.Ke1 Qc1 53.Ke2 Qc2 54.Kf3 Qd1 55.Kf4 Qf1 56.Kg3 Qe1 57.Kh2 Qh4 58.Kg1 Qe1 59.Kh2 Qh4 60.Kg1 Qe1 61.Kh2=) 44...Kh7 45.Qf7 (45.Qd7 Qg7 46.Qd6 Qa7 47.Qf6 Qb7 48.Qf5 Kh8+-) 45...Qg7 46.Qg7 Kg7 47.Kf4 Kg6 48.e4 h5 (48...Kg7 49.Kf5 Kf7 50.g3+-) 49.g3 hg4 50.Kg4 Kh6 51.Kf5 Kg7 52.g4 (better 52.Ke6 Kg6 53.Kd6+-) 52...Kf7 53.g5 fg5 54.Kg5 Ke7 (54...Kg7 55.Kf5 Kf7 56.e5 de5 57.Ke5+-) 55.Kf5 (better 55.Kg6 Ke8 56.Kf6+-) 55...Kf7 56.e5 Ke7 (56...de5 57.Ke5 Ke7+-) 57.e6 Ke8 White now must not overlook the idea Kg5 58.Kf6 Kd8 59.e7 (59.Kf7 Kc7 60.e7 Kb8 61.e8Q Kb7 62.Qd7 Kb8 63.Qd6 Ka7 64.Qe7 Kb8 65.d6 Ka8 66.d7 Kb7 67.d8Q) 59...Ke8+- 60.Ke6 ½-½. negrovich1 (1890) - Baluk (2255), Rated Bullet tournament, lichess.org, 2014. (=1.Nf3 d6 2.c4 g6 3.d4 Bg7 4.b4 Nf6 5.Bb2 0-0 6.e3 Nc6)

8.Be2 c6 9.a4 Nbd7 10.0-0 cb5 11.ab5 a6 12.Nc3 Nb6 13.Nd2 Bd7 14.ba6 Ra6 15.Ra6 ba6 16.c5 dc5 17.dc5 Nbd5 18.Nd5 Nd5 19.Bg7 Kg7 20.Qa1 Kg8 21.Qa6 Nc3 22.Bc4 Bc8 0–1. hal1958 – scylla, playchess.de, 2002.

6.d4 Nfd7

7.Qb3 e5 8.Be2 Qe7 9.Nc3 c6 10.0-0 Nf6 11.Rfe1 Bg4 12.h3 (12.de5!? de5 13.Ne5 Be2 14.Ne2+/-) 12...Bf5 13.a4 Ne4 14.Ne4 Be4 15.de5 de5 16.Red1 Nd7 17.Rd2 Bf5 18.b5 cb5 19.ab5 Be6 20.Ne1 f5 21.Bf3 e4 22.Bg7?? (better is 22.Be2=) 22...Qg7–+ (22...Kg7?! 23.Be2=) 23.Be2?? (better is 23.Rc1 ef3 24.Nf3–+) 23...Ne5 (better is 23...Qa1 24.Rd1 Qf6–+) 24.f4?? ef3!–+ 25.Nf3?? Rae8 26.Ne5 Qe5 27.Bf3?? Re7 28.Bd5?? Rff7 29.Kf2?? f4 30.e4?? Bd5 31.Rd5 Qe4 32.Qd3 Qe3 33.Kf1 Qd3 34.Rd3 b6 35.Kf2 Re6 36.Rad1 Re4 37.Rd7 Rfe7 38.Re7+= Re7 39.Kf3 g5 40.h4 h6 41.hg5 hg5 42.g3?? fg3 43.Kg3 Re4 44.Rd7? Rc4–+ 45.Ra7 Rb4 46.Ra6 Kf7?? 47.Rb6= Ra4 48.Rc6 Rb4 ½–½. Kaufmann,Benjamin (1740) – Kesten,Sebastian (1840), Germany North–chT U16, 2004. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4 Nfd7)

7.Qc2 Re8 8.Nbd2 e5 9.de5 Ne5 10.Be2 Nbd7 11.0-0 Nf3 12.Bf3 Ne5 13.Be2 Bd7 14.Rfe1 a5 15.b5 b6 16.a4 Bc8 17.Rad1 Bb7 18.f4 Nd7 19.Bf3 Bf3 20.Nf3 Nc5 21.Bg7 Kg7 22.e4 Qf6 23.e5 de5 24.fe5 Qf4 25.Rd5 Rad8 26.Red1 Rd5 27.cd5 Qe3 28.Qf2 Qf2 29.Kf2 Na4 30.d6 cd6 31.ed6 Rd8 32.Ne5 Nc3 33.Rd3 Ne4 34.Ke3 Nd6 35.g4 Nb7 36.Rd8 Nd8 37.Nd7 a4 38.Nb6 a3 39.Nc4 a2 0–1. barborski – newpaw (1670), kurnik, 2012.

7.Nbd2 e6 8.Be2 b6 9.Rc1 Bb7 10.0-0 c5 11.b5 a6 12.a4 ab5 13.ab5 Nf6 14.Qb3 Ne4 15.Ne4 Be4 16.Nd2 Bb7 17.Rfd1 Qg5 18.Nf3 Qh6 19.g3 g5 20.Ne1 f5 21.Bf3 Bf3 22.Nf3 g4 23.Nh4 Bf6 24.Ng2 Nd7 25.dc5 Nc5 26.Qc2 Bb2 27.Qb2 Rad8 28.Nf4 e5 29.Nd5 Rb8 30.Ne7 Kf7 31.Nc6 Rb7 32.Rd2 Qe6 33.Rcd1 Rd7 34.Ne5 de5 35.Rd7 Nd7 36.Rd7 Qd7 37.Qe5 Qd1 38.Kg2 Qf3 39.Kg1 Qd1 40.Kg2 Qd7 41.h3 Re8 42.Qf4 gh3 43.Kh3 Re4 44.Qh6 Kg8 45.Qf6 Rc4 46.Kg2 Qd5 47.f3 Rc2 48.Kh3 Qf7 49.Qg5 Kh8 50.f4 Rc8 51.Kg2 Qg7 52.Qf5 Rf8 53.Qe4 h6 54.Kf3 Rg8 55.Qe5 Qe5 56.fe5 Rc8 57.Kf4 Rc5 58.e6 Kg8 59.e4 Kf8 60.e5 Ke7 61.Kf5 Rb5 62.g4 Rb4 63.g5 hg5 64.Kg5 Ke6 0–1. barborski (1620) – candys84 (1695), kurnik, 2012.

7.Be2 c5 8.b5 a6 9.a4 e6 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.Nbd2 cd4 14.Nd4 Qc7 15.Qb3 N8d7 16.Bc3 Nc5 17.Qb2 Nca4 18.Qa1 Nc3 19.Qc3 e5 20.N4b3 Bd7 21.Qa5 Ra8–/+ 22.Qb4 Ra4 23.Qc3 Bb5! 24.Rc1 e4 25.Qc2= Bc6 26.Ne4 Qe7 27.Ned2 Qg5 28.Bf3 Bf3 29.Nf3 Qg4 30.Qd3 Rc4 31.Qd6 Rc1 32.Nc1 Nc4 33.Qb8+= Bf8 34.Qb7 Qe6 35.Nd3 Nd6 36.Qc6 Qb3 37.Nde1 1–0. carocan (1810) – haqa58 (1805), kurnik, 2011.

7.Be2 e6 8.Nc3 c6 9.0-0 d5 10.c5 Nf6 11.a4 Nbd7 12.b5 Ne8 13.Qc2 Nb8 14.a5 Nc7 15.b6 Ne8 16.Rfb1 a6 17.Nd1 Nd7 18.g3 Nef6 19.Nd2 Re8 20.f4 Kf8 21.Nf3 Ke7 22.h3 Rh8 23.Nf2 Qf8 24.Rf1 Ng8 25.g4 Ndf6 26.Bd3 Bd7 27.Kg2 Re8 28.Rh1 Kd8 29.h4 Bc8 30.Rag1 Re7 31.Kf1 Nd7 32.Bc1 Nb8 33.Bd2 f5 34.g5 Rd7 35.h5 Ne7 36.h6 Bf6 37.gf6 Qf6 38.Be1 Rf8 39.Nh3 Ng8 40.Bh4 Rdf7 41.Bf6 Nf6 42.Nhg5 Re7 43.Ne5 Nbd7 44.Qg2 Ne5 45.de5 Ng4 46.Ke2 Rg8 47.Rh4 Bd7 48.Rg4 fg4 49.Qg4 Rf8 50.e4 de4 51.Ne4 Ref7 0–1. varin123 – srbe, kurnik, 2012.

7.Be2 e5

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.Nc3 Nb6 13.0-0 cb5 14.Nb5 ed4 (better is 14...e4!? 15.Nd2 Bf5+/-) 15.Bd4+– (15.ed4?! Bg4+=) 15...Bd4 16.Qd4 (16.ed4?! Re8+/-; 16.Nbd4?! Be6+/-) 16...Be6 17.Nd6 Nc6 18.Qf4 Qb8 19.Rb1 Qc7 20.c5 Nd5 21.Qh6 Nd8 (21...Nf6 22.Qh4 Ne8+–) 22.Ng5 Nf6 (22...f6 23.Ne6 Ne6 24.Rb7 Nc5 25.Rc7 Nc7 26.Bc4 N5e6+–) 23.Nde4 (23.Nde4 Qh2 24.Kh2 Ng4 25.Bg4 Re8 26.Nf6 Kh8 27.Qh7; 23.Ne6?! fe6 24.Qg5 Nd5+–) 1–0. Kaenel,Hansjuerg (2320) – Martinidesz,Denes, Bern op, 1990. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Nfd7)

8.Qc2 Qe7 9.Nc3 c6 10.0-0 f5 11.de5 de5 12.c5 e4 13.Nd2 Ne5 14.Nc4 Nc4 15.Bc4 Be6 16.Na4 Bc4 17.Bg7 Kg7 18.Qc4 Nd7 19.Rfd1 Ne5 20.Qc3 Rad8 21.Nb2 Qf6 22.Rd4 Rd5 23.Rad1 Rfd8 24.Kf1 Nf7 25.Qc4 f4 26.Rd5 fe3 27.Qd4 Rd5 28.Qf6 Kf6 29.Rd5 cd5 30.fe3 Ke5 31.b5 Nd8 32.Ke2 d4 33.ed4 Kd4 34.Na4 Kc4 35.c6 bc6 36.bc6 Nc6 37.Ke3 Nb4 38.Ke4 Na2 39.g4?? Nc3 (39...Nc3 40.Ke3 Na4–+) 0–1. Mazzini,Antonio – Marcoli,Paolo (2145), Corsica op2 Corsico, 1998. (=1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 Nfd7)

6.d4 Ne4

7.Nc3 Nf6 8.Be2 Na6 9.a3 Nb8 10.0-0 a6 11.Qc2 Bf5 12.Bd3 Bg4 13.Be2 Bf5 14.e4 Bd7 15.d5 e5 16.Bc1 Nh5 17.Be3 Nf4 18.Bf4 ef4 19.Rac1 Qf6 20.Rfe1 g5 21.h3 h5 22.Nh2 Qe5 (22...Qh6+/-) 23.Nf3 (better is 23.Bh5!? a5 24.Nf3+–) 23...Qf6+= 24.Nh2 Qg6 (24...Qe5 25.Bh5 a5 26.b5+–) 25.f3 (25.Qd1!? h4 26.Bh5+/-) 25...f5 26.Bd3 Bd4 27.Kf1 Qf6 28.ef5 Bf5 29.Bf5 Qf5 30.Qf5 Rf5 31.Re4 Re5?? 32.Rd4+– Nd7 33.Re4 Rae8 34.Rce1 Nf6 35.Re5 de5 36.Ne4 Ne4 37.Re4 Kf7 38.Ke2 Kf6 39.Nf1 h4 40.Nh2 Kf5 41.Ng4 b6 42.Kd3 Re7 43.a4 Re8 44.Kc3 Re7 45.Nh6 Kg6 46.Ng4 Kf5 47.c5 b5 48.ab5 ab5 49.d6 cd6 50.cd6 Re6 51.d7 Rc6 52.Kb3 Rd6 53.Re5 Kg6 54.Rb5 Kh5 55.Rc5 Kg6 56.Rc8 Kg7 57.d8Q Rd8 58.Rd8 Kf7 59.b5 (59.b5 Ke7 60.Rd2 Kf7 61.b6 Ke6 62.b7 Ke7 63.b8Q Kf7 64.Qc7 Kg6 65.Rd6 Kf5 66.Qc5) 1–0. Fournier,Frederic (1890) – fredo6400 (1770), Active, 2011. (=1.Nf3 d6 2.b4 Nf6 3.Bb2 g6 4.c4 Bg7 5.d4 0-0 6.e3)

7.Nbd2 Nd2

8.Qd2 c6 9.Be2 d5 10.cd5 cd5 11.0-0 Bg4 12.Rfc1 a6 13.h3 Bd7 14.a4 Qb6 15.a5 Qe6 16.Ne5 Be8 17.Nd3 Bc6 18.Nc5 Qd6 19.f4 Nd7 20.Bd3 f5 ½–½. Greifzu,Helmut – Lang,Andreas, Moselpokal op, 1998. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Ne4)

8.Qd2 Nd7 9.Be2 Nf6 10.0-0 Bg4 11.h3 Bf5 12.Rfd1 h6 13.d5 g5 (13...e5!?=) 14.Nd4+= Bg6 15.Bf3 (15.Bd3 Bd3 16.Qd3 a5+/-) 15...Qd7 16.e4 (16.a3 a5+=) 16...g4 (16...Ne4!? 17.Qe3 Nf6=) 17.hg4+= Ng4 (17...Ne4 18.Be4 Be4 19.Re1+=) 18.Qf4 (better 18.Ne6! fe6 19.Bg4+/-) 18...Ne5+= 19.Rab1 (19.Be2 a5 20.a3 c6+=) 19...a5 (19...Nc4!? 20.Qg3 Nb2 21.Rb2 Qa4-/+) 20.b5 f5?? (20...Nc4 21.Bg4 Qe8 22.Bc1=) 21.ef5 (better 21.Ne6 fe4 22.Qg3 (22.Nf8?! Rf8 23.Qg3 Nf3 24.gf3 Kh7=+) 22...ef3 23.Be5 (23.Nf8?! Bf8 24.Be5 Kh7+=) 23...de5 24.Qg6+-) 21...Bf5= (21...Nc4 22.Ba1 Ne5 23.Be4+-) 22.Nf5 (22.Qg3 Nf3 23.Nf3=) 22...Qf5 (better 22...Rf5 23.Be5 Rf4 24.Bf4 Qf5=+) 23.Qf5+/- Rf5 24.Be2 Raf8 25.f3 Rg5 26.Kh2 (26.Bc1 Rg6 27.f4 Nd7+=) 26...Rf4 (26...Rh5!? 27.Kg3 Rg5 28.Kh3 Rh5 29.Kg3 Rg5 30.Kh3 Rh5 31.Kg3=) 27.Bc1+= Rh4 28.Kg1 Rg6 29.Kf2 (29.f4!? Nd7 30.f5+=) 29...Nc4= 30.Bc4 (30.f4!? Nb6 31.Be3=) 30...Rc4=+ 31.b6 (31.Be3 e6=+) 31...Rc2 32.Rd2 (32.Kf1 Rgg2 33.bc7 Rgf2 34.Kg1 Rf3 35.Rb7 Rfc3-/+) 32...Bd4 33.Kf1 Rc1 (better 33...Rd2 34.Bd2 Bb6-/+) 34.Rc1+= Be3?? (34...Bb6 35.Re1 Kf8 36.a4=) 35.Rdc2 (better 35.bc7 Bd2 36.c8Q Kh7 37.Rc7+-) 35...Bb6= (35...Bc1?? 36.bc7 Kf7 37.c8Q+-) 36.g4 (36.Re1 Kf8=) 36...Rg5 37.Rd1 h5 38.Rg2 (38.Rc4 hg4 39.Rg4 Rg4 40.fg4 Kf7=) 38...hg4 (38...Kf7!?=+) 39.Rg4= Rg4 40.fg4 Kg7 41.Kg2 Kg6 42.Kf3 Kg5 (42...Kf7!?=) 43.Re1+/- Kf6 44.Re6 Kf7 45.Ke4 c6 46.Rh6 (46.g5 Bc5+/-) 46...c5 (46...Bc5!?+=) 47.Kf5 Kg7 (better 47...c4!?+/-) 48.g5 c4 (48...Bd8 49.Ke6 c4 50.Kd7+-) 49.Re6 Bd8 (49...Bg1 50.Re7 Kf8 51.Rc7+-) 50.Re4 (50.a4 c3+-) 50...b5 51.a4 ba4 52.Rc4 a3 53.Ra4 Bb6 54.Ra3 Kf7 55.Rh3 Kg7 56.g6 Bd4 (56...Kg8+-) 57.Rh7 Kf8 58.Ke6 (better 58.Rf7 Kg8 59.Re7 Bc3+-) 58...Bf6 59.Rh3 Kg7 60.Rg3 a4 61.Kf5 Bb2 62.Re3 Kf8 63.Re4 a3 64.Ra4 Kg7 65.Ra7 (65.Ra8 Kh6 66.Ra7 Kg7 67.Re7 Kg8+-) 65...Kf8 66.Ke6 Kg7 67.Kf5 (better 67.Ke7 Bd4 68.Ra3 Bc5+-) 67...Kg8?? (67...Kf8 68.Kg5 Bc1 69.Kh5+-) 68.Ke6 (68.Re7 a2 69.Re8 Kg7 70.Re7 Kf8-+) 68...Kf8?? (68...Kg7 69.Ke7 Bd4 70.Ra3 Bc5+-) 69.Ra8+- (69.Re7 a2 70.Ra7 a1Q 71.Ra1 Ba1 72.Kd6 Bb2=) 69...Kg7 70.Ke7 Kg6 71.Kd6 Kf5 72.Ra3 (better 72.Kc6+-) 72...Ba3= 73.Kd7 Ke5 74.d6 Bd6 ½-½. Nathane83 (1915) - lancerisimo (2090), Rated Blitz game, lichess.org, 2015. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 0-0 5.Bb2 d6 6.c4)

7.Bd3 f5

8.Qb3 c5 9.b5 (9.bc5 dc5 10.0-0 Nd7+=) 9...Nd7= 10.0-0 Ndf6 (10...cd4 11.ed4 (11.Bd4? e5-+) 11...Ndc5 12.Qc2 Nd3 13.Qd3=) 11.Nbd2 h6 12.Rfd1 Qe8 13.a4 Kh7 14.a5 Bd7 15.h3 (15.a6 Bc8+=) 15...Rd8 (15...a6 16.b6+=) 16.Qc2 Nd2 17.Rd2 Bc8 (17...Rc8 18.d5+=) 18.Rad1 b6 19.a6 Be6 20.d5 Bc8 21.Re2 Qf7 22.Nd2 (22.e4 fe4 23.Be4 Ne4 24.Bg7 Kg7 25.Re4 Rde8+=) 22...e5+= 23.f3 Nh5 Black prepares f4 24.Nf1 Rde8 25.Rf2 f4 26.ef4 (26.e4 Kg8=) 26...Nf4 27.Be4 Qf6 (27...Bh3 28.gh3 Nh3 29.Kg2 Nf2 30.Kf2+=) 28.Rfd2 Qg5 29.Kh1 Rf6 30.Ne3 (30.g3!? Nh3 31.Rh2+/-) 30...h5 (30...Nh3!? 31.Nf1 Nf4=+) 31.Rg1 Ref8 32.Kh2 (32.Re1 Qg3 33.Rf2 h4=) 32...Bh6 (32...Nh3 33.gh3 Qe3 34.Rg6 Qf4 35.Kh1 Rg6 36.Bg6 Kh8 37.Be4-/+) 33.Nf1 Qh4 34.Rd1 (34.Kh1 Qg5=) 34...Kg7 (34...Nh3 35.g3 Bf4-+) 35.Rh1 Qg5 (35...Nh3 36.gh3 Bf5 37.Kg1 Qg5 38.Kh2 Qf4 39.Ng3 Be4 40.Qe4-/+) 36.Qf2 (better 36.g3!? Bh3 37.Bc3+/- (37.gf4 Rf4 38.Rg1 Qh4 39.Rg6 Kf7-/+)) 36...h4= 37.Bc1 Bf5 38.Nd2 (better 38.Bf5 gf5 39.Rg1=) 38...Qg3! 39.Kg1 (39.Qg3 hg3 Combination) 39...Nd3 40.Qe2?? (better 40.Bd3 Qf2 41.Kf2 Bd3 42.Nb1 Bc4 43.Na3 Bc1 44.Nc4-/+) 40...Nc1-+ 41.Rc1 Bd2 42.Qd2 Be4 43.fe4 (43.Qe1 Rf3 44.Qg3 Rg3 45.Rh2-+) 43…Rf2 (43...Rf2 44.Qf2 Rf2 45.Rh2 Qe3 46.Rh1 Re2 47.Kh2 Qg3 48.Kg1 Qg2) 0-1. Dorsdt,Jose Luiz - Cordioli,Jairo Ribeiro (1780), 7th Floripa Open, 2021.

8.Nbd2 Nd2 9.Qd2 b6 (9...e5 10.de5 Nc6 11.c5 Ne5 12.cd6 Nd3 13.Qd3 Qd6 14.Qd6 cd6 15.0-0-0+=) 10.0-0 (10.h4 e5 11.de5 de5+/-) 10...Bb7 (10...Nd7 11.e4 Nf6 12.ef5 Bf5 13.Bf5 gf5 14.d5+/-) 11.Ng5 Qd7 (11...Qc8 12.c5+/-) 12.d5 Bf6 (12...Bb2 13.Qb2 Rf6 14.e4+–) 13.e4 fe4 14.Be4 (14.Ne4?! Bb2 15.Qb2 c6+/-) 14...Qg4 (14...Bb2 15.Qb2 Rf6 16.h3+–) 15.Ne6 (better is 15.Bf6 Rf6 16.f3+–) 15...Rf7? (better is 15...Qe4 16.Nf8 Qc4 (16...Kf8?? 17.Qh6 Ke8 18.Bf6+–) 17.Bf6 Qd5 18.Qd5 Bd5 19.Be7 Nc6+–) 16.f3+– Qh4 17.Nc7 (17.g3 Qh5 18.Nc7 Nd7 19.Na8 Ba8+–) 17...Bb2 (17...Nd7 18.Na8 Ba8 19.Bf6 Qf6 20.f4+–) 18.Qb2 e5 (18...Na6 19.Na8 Ba8 20.Qa3+–) 19.Na8 Ba8 20.c5! bc5 (20...bc5 21.bc5 Combination; 20...dc5 21.Qe5 Deflection) 21.bc5 Rb7 (21...Qd8 22.c6+–) 22.Qa3 dc5 (22...Qd8 23.Rfb1 Rf7 24.c6+–) 23.d6 Rb6 (23...Rb4 24.Qa7 Bc6+–) 24.Qa7 Qd8 (24...Rd6 25.Qb8 Qd8 26.Qa8 Qa8 27.Ba8+–) 25.Rab1 Nd7 26.Qc7 Rb8 27.Rb8 Qb8 28.Qd7 c4 29.Qc7 Qf8 30.d7 Be4 (30...Bb7 31.Bb7 Qd8 32.Qd8 Kg7 33.Qe7 Kh6 34.g4 c3 35.d8Q c2 36.Qdf8) 31.fe4 Qa8 (31...g5 32.Rf8 Kg7 33.d8Q Kh6 34.Qe5 c3 35.Qdg5) 32.d8Q Qd8 33.Qd8 (33.Qd8 Kg7 34.Qf8) 1–0. michaelbuss (2875) – roo62 (1960), ChessWorld.net, 2008. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Ne4)

6.d4 e6

7.Qb3 Qe7 8.Be2 Nbd7 9.Nc3 c6 (9...a5 10.b5+=) 10.0-0+= e5 11.Rfe1 (11.Rad1 e4 12.Nd2 a5+=) 11...e4 12.Nd2 Re8 13.f3 (13.Red1 Qe6+=) 13...ef3= 14.Bf3 Nf8 (14...Bh6 15.Nde4+=) 15.h3 (15.Re2 Bg4+=) 15...h5 (15...Ne6 16.Rf1=) 16.d5 (16.b5 c5+=) 16...cd5 (16...Bd7 17.Nce4+=) 17.cd5 (17.Nd5 Nd5 18.Bd5 Bf5+/-) 17...Bd7+= 18.b5 N8h7 19.Ba3 (19.Rac1 Ng5+=) 19...Ng5= 20.e4 Nf3 (better is 20...Qe5!? 21.Rad1 Qg3–/+) 21.Nf3+= Nh7 (21...Qd8 22.Bb2+=) 22.e5 (22...Ng5 23.Ng5 Qg5 24.Bd6 Bh3 25.Qb2+=). Diener,Rudolf – Law, corr 3GMM–11, 1995.

7.Nc3 Qe7 8.Be2 e5 9.0-0 e4 10.Nd2 Re8 11.b5 h5 12.a4 Bf5 13.a5 Nbd7 14.a6 b6 15.Rc1 Rac8 16.Ba3 Nf8 17.Na2 Ne6 18.Nb4 Qd7 19.Qb3 Ng5 20.Nc6 Bg4 21.f3 ef3 22.Nf3 Bh6 23.Rc3 Nge4 24.Rc2 Bf5 25.Bc1 Ra8 26.Bd3 g5 27.Re2 Bg6 28.Qc2 h4 29.Nfe5 de5 30.de5 Rad8 31.Nd8 Rd8 32.Rd1 Nc5 33.ef6 Nd3 34.Red2 g4 0–1. Sander – Kortschnoj, Berlin 1985.

7.Nbd2 c6 8.Be2 Nbd7 9.0-0 b6 10.a4 Bb7 11.b5 c5 12.dc5 Nc5 13.Nb3 Nfe4 14.Bg7 Kg7 15.Nc5 Nc5 16.Nd4 e5 17.Nc6 Bc6 18.bc6 Qc7 19.Qd5 Rac8 20.a5 Qc6 21.ab6 Qd5 22.cd5 ab6 23.Bb5 f5 24.Bc6 Rf7 25.Rfb1 Rb8 26.h3 Nb7 27.Rb6 f4 28.ef4 ef4 29.Rab1 f3 30.Rb7 Rbf8 31.Rf7 Rf7 32.Rb7 fg2 33.Kg2 Rb7 34.Bb7 Kf6 35.Bc8 Ke5 36.Be6 g5 37.Kg3 h5 38.f3 Kf6 39.Bd7 Ke5 40.Be6 Kf6 41.Kf2 Ke5 42.Ke3 h4 43.Bg8 Kf6 44.Ke4 Kg7 45.Be6 Kf6 46.Bg4 Kg6 47.f4 gf4 48.Kf4 Kf6 49.Be6 Kg6 50.Kg4 Kf6 51.Kh4 Ke5 52.Kg5 Kd4 53.h4 Ke5 54.h5 Kd4 55.h6 1–0. rom49szachy – rhasanov58, kurnik, 2012.

7.Be2 b6 8.0-0 Bb7 9.Nbd2 Nbd7 10.Qb3 c5 11.a4 cd4 12.ed4 Rc8 (12...a5 13.Rfe1=) 13.Rac1 Ne4 14.a5 (better 14.Ne4 Be4 15.Qe3+=) 14...Nd2-/+ 15.Nd2 d5 (15...ba5!? 16.Rfd1 ab4 17.Qb4 Qb6-/+) 16.ab6 (16.c5 bc5 17.dc5 d4+=) 16...ab6 (16...dc4!? 17.Rc4 Nb6 18.Rc8 Qc8=) 17.c5+= bc5 18.bc5 (18.dc5 d4 19.f4 Bc6+=) 18...Bc6= 19.Ba3 (19.Qg3 Qc7=) 19...Rb8 (19...Bd4 20.Nf3 Bg7 21.Rfd1-/+) 20.Qg3 (20.Qe3 Qf6 21.Nf3 e5 22.de5 Ne5=+) 20...Nf6 (better 20...Bd4 21.Nb3 Be5-/+) 21.Rb1+= Qd7?? (better 21...Re8+=) 22.Rb8+- (22.Qb8?! Rb8 23.Rb8 Ne8+/-) 22...Rb8 (22...Ne4 23.Rf8 Bf8 24.Ne4 de4 25.Bb2+-) 23.Qb8 Bf8 24.Qg3 (24.Nf3!? Qe7+-) 24...Nh5 (24...Ne4 25.Ne4 de4+-) 25.Bh5 1-0. karpovich (1985) - batyaiktat (2070), Rated Bullet game, lichess.org, 2015. (=1.Nf3 g6 2.c4 Bg7 3.d4 d6 4.b4 Nf6 5.Bb2 0-0 6.e3 e6)

7.Be2 Nc6 8.a3 b6 (8...Re8 9.0-0+=) 9.0-0+= a5 10.b5 Ne7 11.Qd3 Nf5 (11...Bb7 12.Nc3+=) 12.e4 Nh6 (12...Ne7 13.Nc3+/-) 13.e5 (13.Nc3!?+/-) 13...de5+= 14.de5 Qd3 15.Bd3 Nd7 16.Be4 Rb8 17.Bc6 Nc5 18.Rd1 Nb3 19.Ra2 Bb7 20.Bb7 Rb7 21.Kf1 Rbb8 22.Nc3 (22.Ke1 Rbd8+=) 22...Rbc8 (22...Rbd8 23.Rb1+=) 23.Ne4 a4 24.Nc3 Ra8 (24...Nc5 25.Bc1 Ng4 26.Re2+=) 25.Rd7 Ra7 26.Ne4 Ng4 27.h3+– Nh6 28.Ke1 Nf5 29.g4 Nfd4?? 30.Bd4 Nc1 31.Rc2 Nd3 32.Kd2 Nf4 33.Be3 Nh3 34.Bb6! cb6 35.Ra7 Rd8 36.Ke3 Bh6 37.g5 Bg7 38.Rb7 h6 39.Rb6 hg5 40.Rd2 Rf8 41.Kd4 g4 42.Ne1 Nf4 43.c5 Rd8 44.Nd6 Nd5 45.Rb7 Bh6 46.Rc2 Nc7 47.Rc7 (47...f6 48.b6+–) 1–0. Trkn – tompawa, ICC, 2004.

7.Be2 Nbd7 8.0-0 c5 9.b5 cd4 10.Nd4 Ne5 11.Nd2 Qc7 12.Qb3 Rd8 13.Bf3 Nf3 14.N2f3 Nd7 15.a4 Nc5 16.Qa2 e5 17.Nb3 Nd3 18.Bc3 Qc4–+ 19.Bd2 Be6 20.Rab1 Bd5 21.Ne1? Nc5 22.e4 Nb3 23.ed5 Nd2 24.Qd2 Rac8 25.Nd3 Qd5–+ 26.Rfd1 Rc4 27.Nb4 Qd2 28.Rd2 Rdc8 29.g3 Bf8 30.a5 Rc1 31.Rc1 Rc1 32.Kg2 Rb1 33.b6 ab6 34.Nd5 ba5 35.Nf6 Kg7 36.Nd7 a4 37.Nf8 Kf8 38.Rd6 a3 39.Rd3 a2 40.Re3 a1Q 0–1. carocan (1790) – facehead (1620), kurnik, 2011.

7.Be2 Ne4 8.0-0 c6 9.Nbd2 Nd2 10.Qd2 d5 11.c5 Nd7 12.a4 Nf6 13.b5 Bd7 14.Ne5 Be8 15.Bf3 Nd7 16.Bc3 Ne5 17.de5 Qc7 18.Qb2 cb5 19.ab5 Qc5 20.Be2 b6 21.Rfc1 Qe7 22.Bb4 Qg5 23.f4 Qd8 24.Bf8 Bf8 25.Rc3 Bc5 26.Kf2 Kg7 27.Rd1 Qb8 28.g3 Qb7 29.Bf3 a5 30.ba6 Qa6 31.Kg2 Qa2 32.Rd2 Qa1 33.Qa1 Ra1 34.Rdc2 Be3 35.Re3 b5 36.Rb3 Ra5 37.Be2 Ra1 38.Bb5 Bb5 39.Rb5 Kh6 40.h3 Kh5 41.Rb7 g5 42.Rf7 gf4 43.gf4 Re1 44.Re7 Kg6 45.Rd2 h5 46.Re6 Kf5 47.Rg6 Kf4 48.Rh6 Ke5 49.Rh5 Kf4 50.Rdd5 Re2 51.Kf1 Re3 52.Rd4 Kg3 53.Rg4 Kh2 54.Kf2 Ra3 55.Rg2 Kh1 56.Rhg5 Ra2 57.Kf3 Ra3 58.Kf4 Ra4 59.Kf5 Ra5 60.Kg6 Ra1 61.h4 Ra6 62.Kh5 Ra1 63.Rb2 Rc1 64.Kh6 Rc6 65.Rg6 Rc4 66.h5 Rc5 67.Ra6 Rc1 68.Kh7 Rc7 69.Kg6 Rc1 70.h6 Rg1 71.Kf7 Rf1 72.Rf6 Rc1 73.Kg6 Rg1 74.Kf7 Rc1 75.h7 Rc7 76.Kg6 Rc1 77.h8Q Kg1 0–1. rom49szachy – srbe, kurnik, 2012.

7.Qb3 a5

8.a3=.

8.b5 Nbd7 9.a4 Nb6 10.c5 Nbd5 11.Bc4 Bd7 12.Nc3 Nc3 13.Bc3 dc5 14.dc5 c6 15.0-0 cb5 16.ab5 Qc7 17.Bd4 Ne4 18.Bg7 Kg7 19.Qb2 Kg8 20.Qe5 Qe5 21.Ne5 Nc5 22.Rfd1 Rad8 23.Ra5 b6 24.Ra7 Bc8 25.Rd8 Rd8 26.Kf1 Ne4 27.f3 Nd2 28.Ke2 Nc4 29.Nc4 Rd7 30.Ra8 Rc7 31.Nb6 Rc2 32.Kf1 Rc1 33.Kf2 Rc2 34.Kg3 1–0. Trkn – Pietshaq, itsyourturn.com, 2000.

7.Bd3 Nc6

8.a3 d5+=.

8.a3 Ne7 9.0-0 Ne8 10.Nbd2 f5 11.Qc2 h6 12.Rad1 Nf6 13.e4 f4 14.e5 de5 15.Ne5 g5 16.Ne4 Ne4 17.Be4 Nf5 18.d5 Qf6 19.de6 Be6 20.Bb7 Rae8 21.Bd5 c6 22.Bc6 Rc8 23.b5 a6 24.a4 ab5 25.ab5 Nh4 26.Nd3 Qf7 27.Bg7 Qg7 28.Nc5 Bf5 29.Qd2 Rcd8 30.Qd8 Rd8 31.Rd8 Kh7 32.Rfd1 f3 33.R1d7 Bd7 34.Rd7 Qd7 35.Nd7 fg2 36.Bg2 Nf5 37.b6 Nd4 38.b7 1–0. justuletzus (1665) – solaris8, kurnik, 2012.

7.Be2 Bd7

8.0-0 Qc8 9.Qb3 Re8 10.Nc3 e5 11.de5 de5 12.Rfd1 Ng4 13.Nd5 (13.Rd2 Nf6+/-) 13...Bc6 (13...c6 14.Nc3 e4 15.Nd2+=) 14.b5 Bd5 15.Rd5 Nd7 16.Rad1 Nb6 (better is 16...Ngf6!? 17.R5d2 Ne4=) 17.R5d2+/- Qf5 (better is 17...c5!?+/-) 18.c5+– e4 19.cb6 ef3 20.Bf3 cb6 21.Bg7 Kg7 22.Bb7 Qh5? 23.h3 Nf2 24.Kf2 Rab8 25.Bf3 Qh4 26.Kg1 Re5 27.Rd7 Rf8 28.Bd5 Rf5 29.e4 Rf2 30.Qe3 Rb2 31.Rf1 (31.Rf1 Rb1 32.Qd4 Kh6 33.Rb1+–) 1–0. bluepiramid2 (1675) – padim, kurnik, 2011.

8.a3 Nc6 9.Nbd2 a6 10.0-0 b6 11.Qc2 a5 12.b5 Ne7 13.c5 dc5 14.dc5 bc5 15.Qc5 Rb8 16.a4 c6 17.bc6 (better is 17.Be5!? Rb7 18.e4+/-) 17...Nc6 18.Rab1 Rc8 19.Qd6 Nb4 20.Bb5 Bb5 21.Qd8 Rcd8 22.ab5 Rd2?? (better is 22...Rb8 23.Nd4 Rfc8+=) 23.Nd2+/- Nd3 24.Ba3 Rb8 25.Nc4 Nd7? 26.Rfd1 N3e5 27.Ne5 Ne5 28.Bd6 Rc8?? 29.b6 Bf8 30.Be5 f6 31.Bc7 Kf7 32.b7 Rc7 33.b8Q Re7 34.Rb7 f5 35.Re7 Ke7 36.Qc7 Kf6 37.Qa5 Bg7 38.f4 g5 39.g3 gf4 40.ef4 Bh6 41.Qe5 Kf7 42.Rd7 Kg6 43.Qe6 Kh5 44.Qf5 Bg5 45.Qg5 1–0. Fournier,Frederic (1815) – montesol3, Active, 2011.

7.Be2 Qe7

8.0-0 b6 9.Nc3 Bb7 10.a4 Rd8 11.Qc2 c5 12.b5 d5 13.dc5 bc5 14.a5 dc4 15.a6 Bc8 16.Ne5 Nd5 17.Nc4 Nd7 18.Rfd1 N7f6 19.e4+/- Nb4 20.Qb3 Rb8 21.Na5 Rd6 22.Qc4 Nd7 23.Nb3 Nc2 24.Rd6 Qd6 25.Rd1 Nd4 26.Bf1 Be5 27.g3 Ba6= 28.f4 Bb5–+ 29.Nb5 Nf3 30.Kf2 Qd1 31.fe5 Nd2 (32.Nd2 Qd2 33.Qe2 Qe2 34.Be2 a6–+; 31...Nde5?! 32.Be5 Ne5 33.Qc3 Ng4 34.Kg2–+) 0–1. Thystrup,Preben – Berglund,Per Erik, corr ICCF TT–2–86 final, 1991.

8.0-0 b6 9.Nc3 Bb7 10.Qb3 c5 11.a3 Nbd7 12.Rfd1 cd4 13.Rd4 d5 14.cd5 Nd5 15.Rd2 Nc3 16.Bc3+= Bd5 17.Qb2 Bc3 18.Qc3 Rac8 19.Qb2 Qf6= 20.Nd4 Ne5 21.Rc1 Nc4 22.Bc4 Bc4 23.Rdc2 b5 24.a4 a6 25.ab5 ab5= 26.Qc3 e5 27.Nb3 Rfd8 28.Nc5 (28.Qe1 Qg5=) ½–½. Eralos (2045) – Decus Tutamen (2140), ChessWorld.net, 2002.

8.0-0 Nbd7 9.a4 e5 10.Nc3 e4 11.Nd2 Re8 12.b5 Nf8 13.a5 h5 14.b6 c6 15.d5 Bd7 16.a6 ba6 17.b7 Rab8 18.Qb3 cd5 19.cd5 Bb5 20.Bb5 ab5 21.Ra7 Rb7 22.Rb7 Qb7 23.Qb5 Qb5 24.Nb5 Rb8 25.Bf6 Rb5 26.Ne4 Rd5 27.Ra1 Rd3 28.Kf1 d5 29.Bg7 Kg7 30.Nd6 Nd7 31.Ra7 Ne5 32.h3 Rb3 33.f4 ½–½. Hebels – Vaassen, corr NL 1991.

8.0-0 Nbd7 9.Nbd2 e5 10.de5 de5 11.Qb3 e4 12.Ne1 Ne5 13.Nc2 Bg4 14.Bg4 Neg4 15.h3 Ne5 16.Be5 Qe5 17.Nd4 g5 18.c5 (18.f4 gf4 19.Rf4 Rfd8=) 18...g4+= 19.h4 Rfd8 20.Nc4 (20.c6 b6=) 20...Qh5+= 21.g3 Nd5 22.Rad1 a6 23.a3 Ne7 24.Ne2 Nc6 25.Nf4 Qf5 26.Qc2 Ne5 27.Ne5 Be5 28.Rd8 Rd8 29.Rd1 Rd1 30.Qd1 Bf4 31.ef4 Qc8 32.Qd5+/- Qe8 33.Qg5 Kh8 34.Qg4 e3 35.Qe2+– ef2 36.Qf2 Qd7 37.Qe3 Qd1 38.Kg2 Qd7 39.Kf2 Qd5 40.Ke2 Qa2 41.Kf3 Qd5 42.Kf2 Qa2 43.Kg1 Qb1 44.Kf2 Qa2 45.Kg1 Qb1 46.Kg2 Qc2 47.Kh3 Qf5 48.g4 Qd7 49.h5 Kg8 50.h6 Qc6 51.g5 Kf8 52.Qd3 Ke7 53.Kg3 Qe6 54.Qh7?? Qe3= 55.Kg4 Qe2 56.Kg3 Qe3 57.Kg2 Qe2 58.Kg3 Qe3 59.Kg4 Qe2 60.Kh4 Qf2 61.Kg4 Qg2 ½–½. Grossmann,Philipp (1905) – Born,Reiner (1970), Regionalliga NO, 2003.

8.0-0 e5 9.de5 de5 10.Qb3 Ne4 11.Nc3 Bf5 12.Nd5 Qd8 13.Rad1 c6 14.Nc3 Qe7 15.Ne4 Be4 16.Rd2 Nd7 17.Rfd1 Rfd8 18.Bc3 f6 19.Ne1 Nf8 20.a4 Rd2 21.Rd2 Rd8 22.c5 Bd5 23.Qd1 Re8 24.Nd3 f5 25.Nb2 a5 26.Nc4 ab4 27.Bb4 Ne6 28.Nd6 Rf8 29.Rd5 cd5 30.Qd5 Kh8 31.Qb7 Qb7 32.Nb7 Rc8 33.Bc4 Nd8 34.Nd6 Ra8 35.a5 Bf8 36.Bc3 Bg7 37.Bd5 Rb8 38.g3 e4 39.Bg7 Kg7 40.a6 Rb1 41.Kg2 Ra1 42.Bb7 Ne6 43.c6 Nc7 44.Nc8 Kf6 45.a7 Ke5 46.h3 Ra2 47.Kf1 g5 48.Ke1 f4 49.Kd1 f3 50.Kc1 Ra1 51.Kd2 Ra2 52.Ke1 h5 53.Kd1 Rf2 54.a8Q Na8 55.Ba8 Rf1 56.Kd2 Ra1 57.c7 f2 58.Nb6 f1Q 0–1. Simon,Grilc – Prevot,E, France, 1987.

8.Nc3 e5 9.0-0 e4 10.Nd2 Re8 11.Qc2 Bf5 12.b5 Nbd7 13.a4 c6 14.a5 Rac8 15.Qb3 Nf8 16.Rfc1 Ne6 17.a6 b6 18.bc6 Rc6 19.c5 bc5 20.Bb5 Rb6 21.Nc4 Rbb8 22.Qa4 Rec8 23.Na5 cd4 24.ed4 Nd8 25.Nd1 Nd5 26.Rc8 Bc8 27.Rc1 e3 28.fe3 Ne3 29.Nc4 Nf5 30.Nd2 Bh6 31.Bc3 d5 32.Bf1 Bd7 33.Qa5 Ne3 34.Ne3 Be3 35.Kh1 Be6 36.Re1 Bd2 37.Bd2 Rb6 38.Bg5 Qd6 39.Qc5 Qd7 40.Bh6 Qd6 41.Bg5 Qd7 42.Bh6 ½–½. Algra – Overes, NBC–veteranen 1986.

6.d4 Re8

7.Nc3 c5 8.bc5 dc5 9.Be2 cd4 10.ed4 Bg4 11.0-0 Nc6 12.Nb5=.

7.c5 dc5 8.bc5 b6 9.cb6 ab6 10.Nc3 c5 11.dc5 Qd1 12.Rd1 bc5 13.Nb5 (better is 13.Bb5 Nfd7 14.Rd2+=) 13...Ra2–/+ 14.Bf6 Bf6 15.Nc7?? (better is 15.Bc4 Ra4 16.Nc7–/+) 15...Bc3–+ 16.Nd2 Rd8 17.Rb1 (17.Bc4 Rad2 18.Rd2 Rd2 19.0-0–+) 17...Bd2 (17...Rdd2 18.Bd3 Rf2 19.Kd1 Bg4 20.Be2 Be2 21.Kc1 Bd2) 18.Ke2 Ba5 (18...Bg4 19.f3 Bb4 20.Rb2 Rb2) 19.Kf3–+ 0–1. slavisa99 – Thalassa, Caissa.com, 2004.

7.Bd3 e5 8.de5 de5 (8...Ng4 9.Qd2= Ne5 10.Ne5 de5 11.0-0 a5 12.b5=) 9.e4 Nc6 10.a3 Nh5 11.0-0 Nf4 12.Bc2+=.

7.Be2 a5 8.b5 b6 9.Nc3 Bb7 10.0-0 c5 (10...Nbd7 11.Qc2=) 11.bc6+= Nc6 12.Rb1 e5 13.d5 Nb4 14.h3 Bc8 15.e4 Bd7 (15...Na6 16.Ba3+=) 16.Bc1+= Na6 17.Be3 Nc5 18.Nd2 Nh5? (better 18...a4+=) 19.Bh5+– gh5 20.Qh5 f5? (better 20...Rb8+–) 21.Nb5 (21.ef5!? Rf8 22.g4 Rb8+–) 21...f4 22.Bc5 Bb5 (22...dc5 23.Nf3 Rb8+–) 23.Bb6 (23.cb5?! dc5 24.Nc4 Qf6+–; 23.Rb5?! bc5 24.Nf3 Bf6+–) 23...Qb6 24.Nf3 Re7 (24...Rec8 25.cb5 Rc4 26.Ng5+–) 25.cb5 Rf8 (25...Qd8 26.Nh4+–) 26.Ng5 h6 (26...Bf6 27.Ne6 Rfe8 28.Qf5+–) 27.Ne6 Rf6 (27...Rc8 28.Rfc1 Ra8 29.Rc6+–) 28.Rfc1 Ree6 (28...Qb8+–) 29.de6 Re6 30.Rc8 Kh7 31.Qf5 Rg6 32.h4 h5 33.Qh5 Rh6 (33...Bh6 34.Qf5 Qc5 35.h5 Qc8 36.hg6 Kh8 37.Qc8 Kg7 38.Qe6 a4 39.Qf7 Kh8 40.Qh7) 34.Qf5 Rg6 35.h5 (35.h5 d5 36.Rb3 Kh6 37.hg6 Qe3 38.fe3 de4 39.ef4 Bf6 40.Qf6 ef4 41.Rh3) 1–0. Pierre – Ares, internet, 2019.

7.Be2 c5 8.bc5 dc5 9.0-0 cd4 10.ed4 Bf5 11.Nc3 Nc6 12.d5+=.

7.Be2 Nc6 8.b5 Nb8 9.Nc3 c6 10.0-0 Nbd7 11.h3 Nb6 12.Qb3 Be6 13.Ng5 Bd7 (13...Qc8!? 14.Ne6 Qe6+=) 14.c5+/- Nbd5 15.e4 h6 16.Nf7 (16.Nd5?! cd5 17.Nf7 Kf7+=) 16...Kf7 17.ed5 (17.Nd5?! Be6 18.bc6 bc6+=) 17...cb5 18.Nb5 a6 19.Na3 Kg8 20.Bf3 (20.Qb7 Rb8 21.Qa6 Rb2+=) 20...Rb8 21.Rfe1 Kh7 22.Nc4 Bb5 23.Ne3 Rc8 (better is 23...Bd7+–) 24.c6! bc6 25.a4 Rb8 26.ab5 Rb5 27.Qc2 Nd5 (27...cd5 28.Be2+–) 28.Nd5 cd5 29.Bh5 Kh8 30.Bg6 (30.Qg6?! Rb2 31.Qe8 Qe8 32.Be8 Bd4 33.Re7 Rf2+–) 30...Rf8 31.Ra6 Qb8 32.Bc3 Qc8 33.Ra7 Bd4 (33...e5+–) 34.Bd4 e5 35.Rh7 Kg8 36.Bf7! Rf7 (36...Rf7 37.Qg6 Mate attack) 37.Qg6 Kf8 (37...Rg7 38.Qg7) 38.Qf7 1–0. b4_player – jan, internet, 2013.

7.Be2 Nbd7 8.Nc3 c5 (8...a5 9.a3=) 9.bc5+= dc5 10.0-0 cd4 11.ed4 b6 12.a4 (12.Qd2 Bb7 13.Rad1 Qc7+=) 12...Bb7= 13.a5 e5 14.a6 Bf3 15.Bf3 e4 (15...ed4!? 16.Nb5 Ne4=) 16.Be2+= Nf8 17.Nb5 Qd7 (17...Ne6 18.Qd2+=) 18.Qd2 (18.d5 Nh5 19.Bg4 Qd8 20.Bg7 Ng7+–) 18...Ne6+= 19.f4 (19.Rfb1 Nc7 20.Nc7 Qc7+=) 19...Nc7 20.Nc3 (better 20.Nc7 Qc7 21.Ra3+=) 20...Rad8 21.d5 Qf5 (21...b5 22.Qe3 bc4 23.Qa7 Nfd5 24.Rfd1 Bc3 25.Bc3–/+) 22.h3 (22.Nd1 Nfd5 23.cd5 Rd5+= (worse 23...Nd5 24.Bg7 Nf6 25.Ne3 Rd2 26.Nf5+–)) 22...h5 (22...e3 23.Qc1 b5 24.g4–/+) 23.Qc2 (23.Nd1 Nfd5 24.cd5 Bb2 25.Qb2 Nd5+=) 23...b5 24.d6? (better 24.Ra5!? bc4 25.Bc4=) 24...Qc5 (24...Rd6 25.cb5 Ne6 26.Qc1–+) 25.Kh1–/+ Qd6 26.cb5 Rc8 (26...Nfd5 27.Nd5 Nd5 28.Bg7 Kg7 29.Rac1–/+) 27.Ba3 (27.Qb3!? Nfd5 28.Rad1=) 27...Qe6 (27...Qd8 28.Rac1 Ne6 29.Rfd1=+) 28.Rac1=+ Ncd5 29.Qb3 Nc3 30.Rc3 Rc3 (30...Qb3!? 31.Rb3 Nd5=+) 31.Qc3= Nd5 (better 31...e3!? 32.Kg1 Ne4 33.Qe3 Ng3 34.Qg3 Bd4 35.Kh2 Qe2=+) 32.Qb3+– Nb6 33.Qe6 Re6 (33...fe6 34.Bc5+–) 34.Bc5 Bf8 35.Be3 Be7? (better 35...Re7!?+–) 36.f5+– Rd6 (36...gf5 37.Bh5 Rf6 38.Bg5+–) 37.Bc5 (better 37.fg6!? fg6 38.Bb6 Rb6 39.Bc4 Kh8 40.Rf7+–) 37...Rd7 38.Bb6 ab6 39.fg6 fg6 40.Bc4 Kg7 41.Be6 Rc7 42.Bd5 (42.Ra1 Ra7 43.Re1 Bd6+–) 42...e3+– 43.g4 (better 43.Re1!?+–) 43...Bh4 (43...Bb4 44.Bf3 hg4 45.Bg4+=) 44.Bf3 Rc2? (44...hg4 45.Bg4 Re7 46.Be2+=) 45.a7?? (better 45.Ra1 e2 46.Be2 Re2 47.a7+–) 45...Ra2= 46.a8Q Ra8 47.Ba8 e2 ½–½. Mousse Neto,Sebastiao Alberto (2070) – Arenillas,NO (1725), Zonal Amazonas, 2015.

7.Be2 e5 8.de5 Nfd7 (8...Ng4 9.Qb3 Ne5 10.Ne5 Be5 11.Be5 Re5 12.0-0=) 9.Qb3 Ne5 10.Ne5 Be5 11.Be5 Re5 12.0-0=.

7.Bd3 c6

8.0-0 e5 9.de5 de5 10.e4 Nh5 11.Qc2 Nf4 12.Rd1=.

8.Qc2 a5 9.b5 Bg4 10.Nbd2 Nbd7 11.bc6 bc6 12.h3=.

8.Qc2 Nbd7 9.Nbd2 (9.0-0 e5 10.de5 Ne5 11.Ne5 de5 12.Nd2=) 9...e5 10.a4 (10.a3 ed4 (10...Qe7 11.de5 Ne5 12.Ne5 de5=) 11.Bd4 Ne5 12.Ne5=; 10.0-0 Qe7 11.de5 Ne5 12.Ne5+=) 10...ed4 (10...Qe7 11.de5 de5 12.Qc3=) 11.Nd4 (11.Bd4 c5 (11...Ne5= 12.Ne5=) 12.bc5=) 11...Ne5+= 12.Be2 a5 (12...c5 13.bc5 dc5 14.N4f3+=) 13.b5 c5 14.N4b3 b6 15.Nf3 (15.e4!?+=) 15...Bf5+= 16.Qd1 Neg4 (16...Ne4 17.Ne5 de5 18.Bf3=) 17.0-0= Qe7 18.Nc1 Rad8 19.Bd3 Bd3 20.Nd3 d5 21.Nde5 Ne5 22.Ne5 dc4 (better is 22...Rd6!? 23.Nc6 Qe6=) 23.Nc6+/- Qc7 24.Nd8 Rd8 25.Qc2 (25.Qe2 Ng4 26.Qg4 Bb2+/-) 25...Ng4+= 26.g3 Bb2 27.Qb2 Ne5 28.Rad1 Rd3 29.Qe2 Qd7 30.f3 Qd5 31.Kg2 c3 32.e4 Rd2 33.Rd2 Qd2 34.Qd2 cd2 35.Rd1 Nc4 36.Kf2 Nb2? 37.Rd2+– Na4 38.Rd8 Kg7+/- 39.Rb8 Kf6 40.f4 c4 41.Ke3 c3 42.Kd3 Ke6 43.Kc2 f6 44.Kb3 Nc5 45.Kc3 Nd7 46.Rh8 h5 47.Rc8 Nc5 48.Rc6 Kd7 49.e5 fe5 50.fe5 g5 51.Kc4 Na4 52.Rg6 Nb2 53.Kb3 Nd3 54.Rg5 Ke6 55.Rh5 Ne5 56.Rh6 Kd5 57.Rb6 Kc5 58.Rh6 Ng4 59.Rh5 Kb6 60.h3 Nf2 61.Ka4 Ne4 62.Rh6 Kb7 63.g4 Nc5 64.Ka5 Nb3 65.Kb4 Nd4 1–0. Cascales,A – Del Pozo,J, 1993.

7.Be2 Bf5

8.0-0 c5 9.bc5 dc5 10.Qb3 Qc7 11.Nc3 Rd8 12.Rfd1+=.

8.0-0 Nbd7 9.Nh4+= Bb1 10.Rb1 e5 11.Bf3 (11.Nf3 e4 12.Nd2 d5+=) 11...c6 12.Re1 (12.Be2 d5+=) 12...Rc8 (12...d5 13.Be2=) 13.Qa4 (13.Be2 d5=) 13...a6 14.Qb3 (14.Be2 ed4 15.ed4 d5=) 14...Qc7 (14...b5 15.Rec1=) 15.h3 (15.a4 e4 16.Be2 Bh6=) 15...d5 Black plans e4 (15...e4!? 16.Be2 Bh6=) 16.cd5+= cd5 17.Rbc1 (17.Bd5 Nd5 18.Qd5 Nb6=) 17...Qd6= 18.Red1 (better is 18.de5!? Ne5 19.Rc8 Rc8 20.Rd1+=) 18...e4+= 19.Be2 Qe6 20.g4 h5 21.gh5 (21.Ng2!? hg4 22.hg4+=) 21...Qh3–/+ (21...gh5?! 22.Kg2=; 21...Nh5?! 22.Bg4 Qd6 23.b5 Rc1 24.Rc1=) 22.Ng2 Rc1 (22...gh5 23.b5–/+) 23.Rc1+= Nb6 (23...gh5!? 24.Rc7 Rb8+=) 24.b5= Nc4 (better is 24...Rb8!?=) 25.hg6 fg6 (25...Nd2 26.gf7 Kf7 27.Rc7 Kg8 28.Nf4+/-) 26.Nf4 (26.Bc4 dc4 27.Qc4 Kh8+/-) 26...Qh4 27.Bc4 dc4 28.Qc4 Kh7 29.ba6 Ng4 30.Rc2 g5? (30...Nh2 31.Qb4 Rh8+=) 31.Qf7+– gf4? (better is 31...Rf8 32.Qg6 Kh8+/-) 32.Qe8= Qh2? (better is 32...Ne5! 33.de5 Qg4 34.Kf1 Qd1 35.Kg2 Qg4 36.Kf1 Qd1 37.Kg2 Qg4 38.Kf1=) 33.Kf1+– Qh3 34.Ke1 fe3?? (better is 34...Qh1 35.Kd2 fe3 36.fe3 Qh2 37.Kc3 Qc7 38.Kb3 Qb6 39.Ka4 Qa6 40.Kb4 Qb6 41.Qb5 Qd6 42.Ka4 Ne3+–) 35.Qe4 Kh6 36.ab7 ef2 (36...Qh2 37.Qg4 Qh1 38.Ke2 Qb7 39.Qe6 Kh7 40.Ke3 Qg2+–) 37.Rf2 Nf2 38.Bc1 (38.Bc1 Kh5 39.Qh7 Kg4 A) 40.Kf2? Qh7 41.b8Q Qc2 42.Ke1 Qc1 43.Ke2 Qc2 (43...Bd4?! 44.Qg8 Kf5 45.Qd5 Be5 46.Qd7 Kf6 47.Qd8 Ke6 48.Qe8 Kd5 49.Qf7 Kc5 50.Qe7 Bd6 51.Qe3 Qe3 52.Ke3=) 44.Ke1 Qc3 (worse is 44...Qa2 45.Qc8 Kg5 46.Qc5 Kg6 47.Qc6 Bf6 48.d5–+; 44...Bd4?! 45.Qg8 Kf3 46.Qd5 Qe4 47.Qe4 Ke4 48.Ke2=) 45.Ke2 Qc4 (45...Bd4 46.Qg8 Kf4 47.Qb8 Kf5 48.Qb3–+) 46.Ke1 Bd4–+; B) 40.Qg7 Kf3 41.Qf6 Ke4 42.Qf4 Kd5 43.Kf2+–) 1–0. Mickey – Guest1973, internet corr, 2018.

8.a3 Na6 (8...Nbd7 9.0-0 e5 10.Nh4 Bb1 11.Rb1 a5 12.Nf3+=; 8...a5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 d5 12.Nc3+=; 8...c5 9.Nbd2 Qb6 10.Qb3 cd4 11.Nd4 Bg4 12.c5+=) 9.b5 Nb8 10.0-0 a6 11.ba6 Na6 12.Qb3=.

8.Qb3 a5 9.ba5 Qc8 10.0-0 Nc6 11.Nc3 Na5 12.Qd1=.

8.Qb3 Nbd7=.

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.0-0 Nbd7 13.Nbd2 Qa5 14.Nb3 Qb4 15.Nh4 Be6 (15...Be4 16.f3 cb5 17.fe4 bc4 18.Nd2+/-) 16.Qc2+/- cb5? (better is 16...Qa4 17.Bb2 Qa7+=) 17.Bc3+– Qa4 18.Ra1 Qa1 19.Ba1 bc4 20.Na5 (20.Bc4?! Rc8+=) 20...b5 21.Qb1 Rb8 (21...Bd5 22.Bf3+–) 22.Nc6 Re8 (22...Rb6 23.Ne7 Kf8 24.Nc8+–) 23.Qb5 Ne4 (23...d5 24.Bc3+–) 24.Bc4 Bc4 25.Qc4 e6 26.Qb5 d5 27.Qb7 Nef6 (27...Ndf6 28.Ne7 Kf8 29.Nc8+–) 28.Nf3 h6 (28...Bf8 29.g4! g5 30.Ng5+–) 29.Nfe5 Ne5 30.Ne5 Rf8 31.Bb2 (31.Bb2 Ne4 32.Ba3 Be5 33.Bf8 Bh2 34.Kh2 Kf8 35.f3+–) 1–0. DEFFM – GuestNNYF, freechess.org, 2018.

8.Nc3 a6 (8...c5 9.bc5 dc5 10.Qb3 Qc7 11.0-0 Rd8 12.Nb5+=) 9.a3 c5 10.Qb3 Nbd7 11.bc5 dc5 12.0-0=.

6.d4 Bf5

7.Nbd2 c5 8.bc5 dc5 9.Qb3=.

7.Nbd2 Nbd7 8.Be2 c5 9.dc5 dc5 10.b5 Qa5 11.0-0 Rfd8 12.Qb3 b6 13.Bc3 1–0. barborski – solange1 (1625), kurnik, 2012.

7.Nbd2 Ne4 8.Be2 c5 9.b5 a6 10.a4 b6 11.0-0 Nd7 12.h3 (12.Ne4 Be4 13.Bd3 Bd3 14.Qd3 Qc7=) 12...Ndf6 13.Nh4 Bc8 14.Qc2 Nd2 15.Qd2 e5 (15...cd4 16.ed4 d5 17.Rfc1=) 16.Nf3 (16.dc5 bc5 17.a5 Bh3+=) 16...ed4 17.ed4 Re8 18.Rfe1 Bb7 ½–½. Nathe,Emil (1840) – Dec,Paul (1685), Baunatal op 5th, 1999. (=1.d4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.c4)

7.Bd3 Nc6 8.a3 (8.Bf5 gf5 9.b5 Na5=) 8...Re8 (better is 8...Bd3!? 9.Qd3 e5+=) 9.Bf5+= gf5 10.0-0 e5 11.d5 Ne7 12.Qc2 Qd7 13.Nbd2 (13.Nc3 Ng6+=) 13...c6 (13...b5!?=) 14.dc6+= bc6 15.Rad1 Rad8 (15...Ng6+=) 16.e4?? (16.c5 dc5 17.bc5 Qd3+/-) 16...f4?? (better is 16...fe4 17.Ne4 Ne4 18.Qe4 d5+=) 17.c5+/- Ng6 18.Nc4 d5 19.Nce5 Ne5 20.Ne5 Qc7 21.ed5 Nd5 22.Nf3 Bb2 23.Qb2 Re4 24.Rfe1+– Rde8 25.Re4 Re4 26.h3 Qe7 27.Qb3 a6 28.Qd3 f5 29.Qa6 Qe6 30.Qd3 h6 31.Nd4 Qf6 32.b5 cb5 33.Nb5 Ne7 34.Nd6 Qe5 35.Ne4 fe4 36.Qd6 Qg7 37.Qe6 Kh7 38.Rd7 Qa1 39.Kh2 Qg7 40.Re7 e3 41.Rg7 Kg7+– 42.Qe5 Kg6 43.fe3 fe3 44.Qe3 Kf5 45.Qh6 Ke4 (45...Ke5 46.c6 Kf5 47.c7 Ke4 48.c8Q Kd3 49.Qd6 Ke3 50.Qc4 Kf2 51.Qd2#) ½–½. ferminkatcho (1765) – piiotr99 (1895), kurnik, 2012.

7.Bd3 Bd3 8.Qd3 Nbd7 9.0-0 c5 10.dc5 dc5 11.b5 Qc7 12.Qc2 Rfd8 13.Nc3 Nb6 14.Na4 Na4 15.Qa4 a5 16.Be5 Qb6 17.Qc2 Nd7 18.Bg7 Kg7 19.Rfd1 Qf6 20.Rac1 Ne5 21.Ne5 Qe5 22.Rd2 Rd6 23.Rcd1 Rad8 24.h3 b6 25.g3 f5 26.a3 Kf6 27.Rd6 Rd6 28.Rd6 Qd6 29.Qc3 Qe5 30.Qd3 Qd6 31.Qc3 e5 32.Kg2 Qd1 33.h4 a4 34.e4 (34.f4 Kf7=) 34...Qd4 35.Qf3 Qe4 36.Qe4 fe4 37.g4? (better is 37.Kf1!?–/+) 37...h5–+ 38.Kg3? hg4 39.Kg4 Kf7 40.Kh3 Ke6 41.Kg4 Kf6 42.h5?? gh5 43.Kh5 Kf5 44.Kh6 Kf4 45.Kg6 e3 46.fe3 Ke3 47.Kf5 Kd4 48.Ke6 e4 49.Kd6 e3 50.Kc6 e2 51.Kb6 e1Q 52.Ka6 Kc4 53.b6 Kb3 54.b7–+ Qe5 55.Ka7 c4 56.b8Q Qb8 (56...Qb8 57.Kb8 c3 58.Kc7 Ka3 59.Kc6 c2 60.Kd5 Kb4 61.Ke6 a3 62.Ke7 a2 63.Kf6 a1Q 64.Kg5 c1Q 65.Kf5 Qc2 66.Ke6 Qc6 67.Kf5 Qaf6 68.Kg4 Qcf3) 0–1. Bouvier,Clement (1725) – Couronne,Patrice (1730), Montigny le Bretonneux–B 7th, 2008. (=1.c4 Nf6 2.b4 g6 3.Bb2 Bg7 4.e3 0-0 5.d4 d6 6.Nf3 Bf5)

7.Be2 a5 8.b5 Nbd7 9.0-0 c5 10.Nc3 Ne4 (10...Nb6 11.a3=) 11.Ne4+= Be4 12.Nd2 (12.Ng5 cd4 13.Ne4 d3 14.Bg7 de2 15.Qe2 Kg7=) 12...Bf5= 13.Bf3 cd4 14.ed4 Rb8 (14...Nc5 15.Bc3=) 15.Re1 e5? (15...Nc5 A) worse 16.dc5 Bb2 17.cd6 A1) 17...Ba1? 18.de7 Qd3 19.ef8R (worse 19.Qa1 Rfe8 20.Qb2 Qd6+-) 19...Rf8 20.Qa1 (20.Bb7?! Bc3 21.Ne4 Be4 22.Be4 Qc4+/-) 20...Qd2 21.Bb7+-; A2) 17...Qd6-/+; B) 16.Bc3+=) 16.Nb3 (16.g4!? Bd3 17.Re3+/-) 16...ed4 (16...Qc7 17.g4 e4 18.Be4 Be4 19.Re4=) 17.Bd4 (17.Nd4 Nc5+/-) 17...Ne5 18.Bd5 Qh4 (18...a4 19.Nc5 dc5 20.Be5 Be5 21.Re5+/-) 19.Na5 Nf3 (19...Nd3 20.Bg7 Qf2 21.Kh1 Kg7+/-) 20.Bf3 (better 20.Qf3!? Bd4 21.Rad1+-) 20...Bd4+= 21.g3 (21.Qd2 Ba1 22.Ra1 b6=) 21...Qf6= 22.Nb7 (better 22.Rc1 Bb2 23.Bd5 (worse 23.Nb7 Bc1 24.Qc1 Bc8 25.Nd6 Qd6-/+) 23...Bc1 24.Qc1=) 22...Ba1?? (22...Bc8 23.Nd6 Qd6=+ (23...Ba1? 24.Ne4 Qe7 25.Qa1+-)) 23.Qa1+- Qa1 24.Ra1 Rfc8 (24...Bd3 25.Rc1 Rfe8 26.Nd6+-) 25.Nd6 Rc5 26.Nf5 Rf5 27.Bd5 (27.Kg2 Rc5 28.a4 Rc4+-) 27...Re8? (27...Rd5 28.cd5 Rb5+-) 28.a4 Re2 29.a5 Rff2 30.a6 Ra2 31.Ra2 Ra2 32.c5 Kf8 (32...Ra5 33.c6 Rb5 34.a7+-) 33.b6 (better 33.Ba2 Kg8 34.c6 Kg7+-) 33...Ke7 (33...Ra6 34.b7 Ra1 35.Kf2 Rb1+-) 34.b7 (34.Ba2 f5 35.b7 g5 36.b8Q Kf6 37.Qb6 Kg7 38.a7 f4 39.a8Q fg3 40.Qg8) 34...Rb2 35.a7 (35.a7 Rb1 36.Kf2 Rb2 37.Ke3 Rb7 38.Bb7+-) 1-0. SSAARR (2055) - Vakamb (1930), Rated Blitz game, lichess.org, 2014.

7.Be2 b6 8.0-0 c5 9.bc5 bc5 10.Nc3 Nc6 11.d5 Na5 12.Nd2 Rb8 13.Qc1 e6 14.e4 (better is 14.de6 fe6 15.Ba3=) 14...Bg4?? (14...Ne4 15.Nde4 Be4+=) 15.f3+/- ed5 16.cd5 (better is 16.fg4!? d4 17.Nd1+/-) 16...Bd7= 17.Rb1 Qe7 18.Ba1 Rb1 19.Qb1 Qd8 20.Nc4 Nc4 21.Bc4 Qb6 22.Qc2 Qa5 23.h3 Rb8 24.f4 Ne8 25.Ne2 Ba4 26.Qd3 Nc7 27.e5 de5 28.d6 Nb5? (better is 28...Ne6!? 29.f5 gf5 30.Qf5 Nd4 31.Nd4 ed4+/-) 29.fe5+– Nd4 30.Nd4 cd4 31.Rf7 Kh8 32.e6 (better is 32.Qd4!? Qb6+–) 32...Qe1 33.Rf1 (33.Rf1 Qe5 34.d7+–) 1–0. polska13 (2215) – jacekmpl (1890), kurnik, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4)

7.Be2 c5 8.b5 Nbd7 9.0-0 d5 10.cd5 Nd5 11.Nbd2 N5f6 12.Nc4 Be6 13.a4 Bc4 14.Bc4 Nb6 15.Bd3 cd4 16.Bd4 Nfd5 17.Bg7 Kg7 18.Qe2 (better is 18.a5!? Nc8 19.Qd2+/-) 18...Nc3= 19.Qc2 Rc8 20.a5 Nbd5 21.Be4 Ne4 (21...f5 22.Ng5 Rf6+= (22...Ne4? 23.Qb2 Nec3 24.Ne6 Kg8 25.Nd8 Rfd8 26.Ra3+–)) 22.Qe4+= e6 23.a6 (23.Qd4!? f6 24.Qa7+/-) 23...Qb6 24.Qd4 Qd4 25.Nd4 (worse is 25.ed4 Rc7+=) 25...b6 26.Rfc1 (26.Nc6!?+=) 26...Nc3+= 27.Ra3? (better is 27.Rc2!? e5 28.Nc6 Nb5 29.Rac1–/+) 27...Nb5!–/+ 28.Rc8 (28.Nb5 Rc1 Mate attack) 28...Rc8–+ (28...Na3 29.Rc7 Kf6 30.Ra7+=) 29.Ra1 Nd4 30.ed4 Rc4 31.Kf1 Rd4 0–1. Filip,Daniel (2055) – Huliak,Peter, AUT–ch U18 Illmitz, 2004. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.c4 Bf5)

7.Be2 Nc6 8.a3 h6 (8...e5 9.d5 Ne7 10.Nc3=) 9.0-0 (9.d5 Nb8 10.Nd4+=) 9...g5? (better 9...e5!?=) 10.d5+/- Nb8 11.Qb3 (11.h4 gh4 12.Nh4 Bh7+/-) 11...Nbd7 12.Nc3 Bg6 13.Rfe1 (13.Nd4 a5+/-) 13...Ne8 (13...c6 14.Red1+=) 14.Bf1 (14.Nd4 Be5+/-) 14...Ne5+= 15.Nd4 Nd3 16.Bd3 Bd3 17.e4 (17.Nce2!? Bg6 18.Ng3+/-) 17...Bd4= 18.Nb5?? (better 18.Red1 Bc4 19.Qc4=) 18...Bb2 (18...Bc4 19.Qc4 Bb2 20.Ra2-+) 19.Qb2 Bc4 20.Nd4 Ng7 (20...e5 21.Rac1-+) 21.Rac1 b5 22.Rc3 (22.Nc6 Qd7 23.Na5 Nh5 24.Nc4 bc4 25.Rc4 Rfc8-+) 22...e5 (22...e6!? 23.de6 Ne6 24.Nf5-+) 23.Nc6 Qd7 24.Rh3 (24.Na5 f5-+) 24...h5 (24...Ne6!? 25.Rh6 Nf4 26.Rf6-+) 25.Qd2 f6 26.Rc3 (26.Na5 h4-+) 26...a6 (26...Ne6 27.Na5 Nd4 28.Nc4 bc4 29.Rc4-+) 27.Rec1 (27.Na5 h4-+) 27...Kh7 (27...Ne6 28.Na5 Nd4 29.Nc4 bc4 30.Qd1-+) 28.Qd1 (28.Na5 Kg6-+) 28...f5 29.ef5 (29.Na5 fe4 30.Nc4 bc4 31.Rc4 Qf7-+) 29...Qf5 30.f3 (30.Qd2 g4 31.h4 Qf4 32.Qc2 Nf5-+) 30...Rae8 (better 30...e4 31.Ne7 Qf7 32.Nc6 ef3 33.Rf3 Qd5 34.Qd5 Bd5 35.Rd3-+) 31.a4 (31.Na5 e4 32.Nc4 bc4 33.Rc4 ef3 34.Qf3 Qf3 35.gf3 Rf3 36.Rc7 Ra3 37.Rf1-+) 31...e4 32.Na5 (32.ab5 ab5 33.h3 Qd5 34.Qd5 Bd5-+) 32...ef3 (32...Bd5!? 33.ab5 ab5 34.Qc2 ef3 35.gf3 Qc2 36.R1c2-+) 33.Rf3 Qd5 34.Qc2 (34.Qd5 Bd5 35.Rf8 Rf8 36.ab5 ab5 37.Rc7 Rf4-+) 34...Kg8 (34...Nf5 35.Nc4 bc4 36.Rcf1-+) 35.Rf8 (35.Nc4 Rf3 36.gf3 Qf3-+) 35...Rf8 36.Nc4 bc4 (better 36...Qd4!? 37.Kh1 bc4 38.h3-+) 37.Qc4 Qc4 38.Rc4 Ne6 39.g3 (39.h3 c5 40.bc5 dc5-+) 39...Rb8 40.Kf2 (40.Rc6 Rb6 41.Rb6 cb6-+) 40...Kf7 41.Ke3 (41.a5 d5 42.Rc6 Rb4 43.Ra6 Rb2 44.Kg1 d4-+) 41…Ke7 0-1. Eekamouse (2530) - grandmatt (2535), Rated Blitz game, lichess.org, 2017. (=1.e3 E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.Nf3 d6 6.d4)

7.a3 b6

8.Bd3 Bd3 9.Qd3 a5 10.b5 +=,

8.Bd3 Ne4? 9.Qc2 (9.g4!? Nf2 10.Kf2 Bg4 11.h3+–) 9...d5+/- 10.cd5 Qd5 11.Nc3 (11.Qc7 Rc8 12.Qe7 Nc6–/+) 11...Nc3 12.Bc3 Bd3 13.Qd3 c5 14.0-0 Rd8 15.Rfd1 Nc6 (15...cd4 16.Qf1= (worse is 16.Nd4 e5–/+)) 16.Qc2 Qc4 (16...Rac8 17.bc5 bc5 18.Qe2=) 17.Rac1 (17.Nd2 Qe2 18.Re1 Qh5 19.dc5 bc5 20.Bg7 Kg7+/-) 17...cb4 18.ab4 (18.Bb4!? Qc2 19.Rc2 Nb4 20.ab4=) 18...Nb4= 19.Qb1? (19.Qa4 a5 20.Bd2 Qa2 21.Qa2 Na2=) 19...a5 (better is 19...Na2!? 20.Nd2 Nc1 21.Nc4 Ne2 22.Kf1 Nc3–+) 20.Bb4 Qb4 21.Qb4 ab4 22.Rb1 Ra4 23.Rdc1 e6 24.Rc6 Rb8 25.Nd2 b5 26.g3 Bf8 27.Ne4 Rba8 28.Rb6 Ra1 29.Ra1 Ra1 30.Kg2 Rb1 31.Rb5 b3 32.Nd2+/- Rb2 33.Nb3 Kg7 34.Rb7 Bd6 35.Nc5 Rb7 36.Nb7 Bc7 37.Kf3 Kf6 38.Ke4 Ke7 39.f4 f6 40.g4 f5 41.gf5 gf5 42.Kf3 Kd7 43.Ke2 Bb6+= 44.Kd3 Kc6 45.Nc5 Bc5 46.dc5 Kc5 47.h3 Kd5 48.h4 h5 49.Kd2 Ke4 50.Ke2 e5 51.fe5 Ke5 52.Kf3 Kf6?? 53.Kf4+– Kg6 54.Ke5 Kf7 55.Kf5 (55.Kf5 Kg7 56.Ke6+–) 1–0. Fournier,Frederic (1890) – arcoirisiris (1795), Active (5/0), 2005.

7.Be2 c6

8.0-0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 d5 12.Nh4=.

8.0-0 a5 9.b5 A) 9...Qd7 10.a4 Rc8 11.Nc3 c5 12.h3 Qc7 13.d5 Ne4+=; B) 9...Nbd7 10.Nh4 (10.Na3 Nb6 11.Rc1 c5 12.Nh4 Be6 13.f4 Qc8=) 10...Be6 11.Nd2 Nb6 12.bc6 bc6 13.Rb1 a4+=; C) 9...cb5 10.cb5 Nbd7 11.Bd3 Qb6 12.Nc3 Bd3 13.Qd3 d5+=.

8.0-0 Na6 9.a3 c5 10.b5 Nc7 11.Nbd2 Qc8 12.h3+=.

8.0-0 Na6 9.b5 cb5 10.cb5 Nc7 11.Nc3 a6 12.a4 ab5 13.ab5 Ra1=.

8.0-0 Qb6 9.a3 a5 10.c5 (10.Nc3 ab4 11.Na4 Qc7 12.ab4 Nbd7 13.Nh4 Be6=) 10...Qd8 11.Nc3 b5 12.cb6 Qb6 13.Na4 Qb7=.

8.0-0 Qb6 9.a3 c5 10.Nc3 cb4 11.Na4 Qc7 12.ab4 Rc8 13.Nc3 Nc6+=.

8.0-0 Qb6 9.Qb3 A) 9...Na6 10.b5 cb5 11.cb5 Nc7 12.Nc3 Ne4 13.a4 Nc3+=; B) 9...Qc7 10.Nc3 (10.Nh4 Be6 11.Nd2 b5 12.Nhf3 bc4 13.Nc4 Nbd7=; 10.Nbd2 a5 11.ba5 Ra5 12.Bc3 Ra7 13.a4 b6=) 10...Nbd7 11.Rad1 a5 12.b5 a4 13.Qa3 c5+=; C) 9...Nbd7 10.a3 (10.Nc3 a5 11.ba5 Ra5 12.Nd2 Rfa8 13.e4 Bg4=; 10.Nbd2 Rfd8 11.a3 a5 12.Bc3 c5 13.Nh4 Bg4+=) 10...Rfd8 11.Rd1 a5 12.Nc3 ab4 13.ab4 e5+=.

8.0-0 c5 9.bc5 dc5 10.Qb3 Qc7 11.Nc3 Rd8 12.Rad1=.

8.0-0 c5 9.bc5 dc5 10.Nc3 Qc7 11.Nb5 Qc8 12.Qb3 Rd8 13.Rad1 Nbd7+=.

8.0-0 Qc7 9.a3 A) 9...a5 10.b5 (10.Nc3 ab4 11.ab4 Ra1 12.Qa1 Na6 13.Qa3 Qb6+=) 10...c5 11.Nc3 Re8 12.Na4 cd4 13.Nd4 Bd7+=; B) 9...Rd8 10.Nh4 (10.Bd3 Bd3 11.Qd3 d5 12.cd5 Nd5 13.Nc3 Nc3+=; 10.Nc3 e5 11.Re1 Re8 12.Rc1 Bg4 13.e4 ed4+=) 10...Bd7 11.Nc3 c5 12.Qd3 cb4 13.ab4 e5+=; C) 9...Nbd7 10.Nbd2 e5 11.Rc1 Bg4 12.h3 Bf3 13.Bf3 Rfe8+=; D) 9...Re8 10.Nbd2 (10.Nc3 e5 11.Nh4 Bd7 12.de5 de5 13.e4 a5=; 10.Nh4 Bd7 11.Nc3 e5 12.de5 de5 13.e4 a5=; 10.Bd3 Bd3 11.Qd3 d5 12.Nc3 dc4 13.Qc4 Nbd7+=) 10...e5 11.c5 e4 12.cd6 Qd6 13.Ne5 Qe7+=.

8.0-0 Qc7 9.Nc3 A) 9...a5 10.b5 (10.a3 ab4 11.ab4 Ra1 12.Qa1 Na6 13.b5 Nb4=) 10...c5 11.Nh4 Bc8 12.dc5 Qc5 13.Qd4 Qd4+=; B) 9...e5 10.a3 (10.a4 a5 11.b5 c5 12.d5 e4 13.Ne1 h6=; 10.Rc1) 10...Re8 11.d5 a6 12.Nd2 e4 13.dc6 bc6+=; C) 9...Rd8 10.Rc1 (10.Qd2 e5 11.a3 e4 12.Ne1 a5 13.b5 Nbd7+=; 10.a3 e5 11.Nh4 Bc8 12.d5 e4 13.g3 Bh3=; 10.Re1 e5 11.a3 a5 12.b5 c5 13.d5 e4+=; 10.Nh4 Bd7 11.a3 c5 12.Nf3 a5 13.bc5 dc5+=; 10.d5 Ne4 11.Nd4 Nc3 12.Bc3 cd5 13.Rc1 dc4=) 10...e5 11.a3 a5 12.b5 c5 13.d5 e4+=; D) 9...Rc8 10.Nd2 (10.Qb3) 10...e5 11.e4 Bd7 12.de5 de5 13.Qa4 Rd8+=; E) 9...h6 10.a4 (10.a3 e5 11.Qd2 e4 12.Ne1 Nbd7 13.Rc1 Nb6=; 10.Nh4 Bd7 11.a3 a5 12.Nf3 ab4 13.ab4 Ra1+=; 10.Nd2 d5 11.Rc1 Qd7 12.b5 cb5 13.Nd5 Nd5+=) 10...a5 11.b5 c5 12.Rc1 Rc8 13.Nh4 Be6+=; F) 9...Re8 10.Nh4 (10.Qd2 e5 11.Rfd1 e4 12.Ne1 Bg4 13.Bg4 Ng4+=; 10.Bd3 Bd3 11.Qd3 d5 12.cd5 cd5 13.Rac1 Qd8+=; 10.d5 Ne4 11.Nd4 Nc3 12.Bc3 cd5 13.Rc1 dc4+=; 10.a3 e5 11.Nh4 Bd7 12.de5 de5 13.e4 a5=; 10.Nd2 a5 11.b5 c5 12.d5 Bc8 13.Qb3 Nbd7+=; 10.Qb3 e5 11.de5 de5 12.Rfd1 a5 13.a3 ab4=; 10.a4 c5 11.Nb5 Qc8 12.bc5 dc5 13.Qb3 Rd8+=; 10.Re1 e5 11.Rc1 Qe7 12.a3 a6 13.Nh4 Bd7+=) 10...Bd7 11.a3 c5 12.Nf3 Bg4 13.h3 Bd7+=; G) 9...c5 10.a3 Rc8 11.Qd2 a6 12.dc5 dc5 13.Nd5 Nd5+=.

8.0-0 Qc7 9.Nbd2 Ne4 (9...c5 10.a3= Rc8 11.Qb3 cd4 12.Nd4 Bd7 13.Nb5 Qb6=; 9...a5 10.a3 (10.b5 Rc8 11.Rc1 a4 12.Nh4 Bd7 13.a3 c5=) 10...c5 11.b5 a4 12.h3 Rd8 13.d5 Re8=; 9...Rd8 10.a3 (10.Nh4 Bd7 11.b5 a6 12.a4 Rc8 13.Qb3 ab5=) 10...a5 11.b5 Rc8 12.Rc1 c5 13.Nh4 Bd7+=; 9...h6 10.Nh4 (10.Qb3 a5 11.ba5 Ra5 12.Nh4 Bg4 13.Bg4 Ng4=; 10.a3 a5 11.Bc3 c5 12.ba5 Nc6 13.dc5 dc5=) 10...Bd7 11.a3 a5 12.Qc2 Na6 13.Qb3 c5+=; 9...Re8 10.a3 (10.Nh4 Bc8 11.a3 e5 12.de5 de5 13.e4 Rd8=) 10...e5 11.c5 e4 12.cd6 Qd6 13.Ne5 Qe7+=) 10.Ne4+= Be4 11.Nd2 (11.Ng5 Bf5 12.e4 Bd7 13.Qd2 f5+=) 11...Bf5 12.e4 (12.Qb3 e5 13.e4 Be6+=) 12...Bc8 (12...Be6 13.Qb3 a5+=) 13.Qb3 Nd7 (13...c5+=) 14.c5 Nf6 15.cd6 ed6 (15...Qd6? 16.e5 Qd7 17.ef6 Bf6 18.Ne4+–) 16.Rfd1 Be6 17.Qc2 Qb6 (17...d5 18.e5 Nd7 19.b5=) 18.Bc3 (18.a4 a5 19.ba5 Qa5+=) 18...Rac8 (18...d5 19.e5 Nd7 20.Nb3=) 19.Qb2 (19.a4 Rfe8+=) 19...d5= 20.f3 (20.e5 Nd7=) 20...Nh5 21.a4 a6 (21...Nf4 22.Bf1=) 22.Kh1 (22.Nb3 Nf4 23.Nc5 Rce8=) 22...Rfe8 23.Bf1 Rcd8 24.e5 ½–½. Poenisch,Eckehard – Pankrath,Benno, OLO–A9798 Germany, 1998.

8.0-0 d5 9.c5 Qc7 10.Nc3 Nbd7 11.Nh4 Be6 12.a4=.

8.0-0 Nbd7 9.Nc3 e5 10.a3 Qe7 11.Nh4 Be6 12.d5+=.

8.0-0 Ne4 9.Nbd2 Na6 (9...d5 10.Ne4 Be4 11.Nd2 Bf5 12.a3+=) 10.a3 (10.Ne4 Be4 11.Ng5 Bf5 12.e4+=) 10...Nc7 (10...Nd2 11.Nd2 d5 12.Nf3+=) 11.Ne4 Be4 12.Nd2 Bf5 13.e4 Bd7 14.Nb3 e5 (14...d5 15.Nc5 b6 16.Nd7 Qd7 17.cd5 cd5 18.e5=) 15.de5+/- de5 16.Qd6 Ne8 17.Qd3 Qe7 18.Rad1 Bc8 19.Na5 Nc7 20.Qd6 Qd6 21.Rd6 Ne6 22.c5 Rb8 23.Bg4 (23.Rfd1 Nd4 24.Bc4 Re8+/-) 23...h5 (better is 23...Nc5!? 24.Bf3 Na4+=) 24.Bh3 Re8 25.Rfd1 Ng5 (25...g5 26.Bf5+/-) 26.Bc8 Rec8 27.f3 Ne6 28.Kf2 Nd4 29.Bd4 ed4 30.f4 (30.R6d4?! Bd4 31.Rd4 b6=) 30...Bf8 31.R6d4 b6 32.Nb3 a5 33.Kg3 (better is 33.Ke2!?+/-) 33...a4= 34.Nd2 bc5 35.bc5 Bc5 36.Ra4 Ra8 37.Ra8 Ra8 38.Nc4 Rb8? (better is 38...Ra4!? 39.Rc1 Ba3=) 39.Rd3+/- Rb1 40.Na5 Ra1?? (better is 40...Rb6+–) 41.Nb3 (41.Nb3 Bf2 42.Kf2 Ra3 43.Nc5 Rd3 44.Nd3+–; 41.Nc6?! Ra3 42.Ra3 Ba3+–) 1–0. Krnic,Zdenko – Peckford,William, It (open), Toronto (Canada), 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Bf5 7.Be2 c6)

8.a3 d5 9.0-0 dc4 10.Bc4 Qd6 11.Nc3 Nbd7 12.Rc1=.

8.Qb3 a5 9.ba5 Qa5 10.Bc3 Qc7 11.0-0 c5 12.Nbd2=.

8.Nc3 Qd7 (8...d5 9.0-0 dc4 10.Bc4 b5 11.Bd3 Bd3 12.Qd3=; 8...Nbd7 9.0-0 e5 10.a3 Re8 11.de5 de5 12.Nd2+=; 8...a5 9.b5 cb5 10.Nb5 Nc6 11.0-0 Rc8 12.Nh4+=; 8...Na6 9.Qb3 Qb6 10.a3 c5 11.Na4 Qc7 12.dc5+=; 8...Qb6 9.Qb3 Na6 10.a3 c5 11.Na4 Qc7 12.dc5+=; 8...c5 9.bc5 dc5 10.Qb3 Qc7 11.Nb5 Qc8 12.0-0=; 8...Qc7 9.0-0 c5 10.a3 Rc8 11.Qd2 a6 12.dc5+=) 9.0-0 a5 10.Qa4 Rc8 11.ba5 c5 12.Qd7=.

8.Nbd2 a5 9.a3 d5 10.ba5 Qa5 11.0-0 Nbd7 12.Nh4=.

7.Be2 Nbd7

8.0-0 b6 9.a3 c5 10.Nbd2 Ne4 11.Nh4 e6 12.Nf5 ef5 13.Rb1 Qe7 14.dc5 Bb2 15.Rb2 dc5 16.Ne4 fe4 17.Rd2 Rad8 18.Qa4 Ne5 19.Rfd1 f5 (19...Rd2!? 20.Rd2 cb4 21.ab4 Nd3 22.Bd3 Rd8=) 20.Rd8+/- Rd8 21.Rd8 Qd8 22.Qa7 Qd2 23.Qb8 Kf7 24.Qe5 Qe2 25.Qd5 (25.Qc7!? Ke8 26.h4 Qe1 27.Kh2 Qf2 28.Qh7+/-) 25...Kg7= 26.g3 cb4 27.Qd4 Kh6 28.ab4 Qe1 29.Kg2 Qb4 30.h3 Qc5 31.Qc5 (31.f3 Qc6=) 31...bc5=+ 32.Kf1 Kg7 33.Ke2 Kf6 34.Kd2 Ke6 35.Kc3 Kd6 36.Kb3 Kc6 37.Ka4 Kb6 38.Ka3 Ka5 39.Kb3 h6 40.h4 h5 41.Ka3 Kb6 ½-½. Tologontegin,S (2355) - Ansat,Abilmansur, 1st Ismagambetov Mem, 2020. (=1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.b4 d6 5.Bb2 0-0 6.c4)

8.0-0 e5 9.Nc3 c6 10.b5 e4 11.Nd2 d5 12.a4 Re8 13.a5 Nf8 14.a6 Bc8 15.Ba3 Qd7 16.Qb3 cb5 17.ab7 Bb7 18.Nb5 Bc6 19.Nc3 Rab8 20.Qa2 Rb7 21.Rfc1 Qf5 22.cd5 Bd5 23.Nd5 Qd5 24.Qd5 Nd5 25.Bc4 Nf6 26.Ba6 Rb6 27.Bc5 Rb2 28.Nc4 Rb3 29.Nd6 Re7 30.Bc4 Rb2 31.Nc8 (better is 31.Nf7 Rf7 32.Ra7+– (32.Bf7?! Kf7 33.Ra7 N8d7+/-)) 31...Rc7 32.Na7 Ng4 33.Bd6 Rd7 34.Bg3 Bh6 35.Rc3 Rdb7 36.Bf1 Nd7 37.h3 Ngf6 38.Nc6 Nd5 39.Rca3 Kg7 40.Bc4 N5b6?? (better is 40...N7b6 41.Ba6 Rd7+–) 41.Ba6 Nd5 42.Bb7 Rb7 43.Ra7 Ra7 44.Ra7 N7f6 1–0. Kaenel,Hansjuerg (2390) – Kaminik,Aleksandar (2255), Neuchatel op, 1996. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.d4 Bf5)

8.Nh4 Be4 9.f3 (9.Nc3!?=) 9...Bb1+= 10.Rb1 d5 11.f4 (11.c5 Re8=) 11...c6 (11...Nb6 12.c5 Nc4 13.Bc4 dc4 14.0-0=) 12.0-0 e6 (12...Nb6 13.c5 Nc4 14.Qc1=) 13.Nf3 Ne4 14.a4 b6 (14...Qc7 15.Bd3=) 15.Qc2 Rc8 16.c5 Nb8 17.Ba3 a6 (17...Nd7 18.Ba6 Rc7 19.Bd3+=) 18.cb6 Qb6 19.Qd3 (19.Bd3 f5+=) 19...Rfe8 20.a5 Qb5 21.Qc2 Qb7 22.Bd3 Nd6 23.g4 (23.Rb3 Nd7=) 23...Qd7 (23...Nb5 24.Bb2=) 24.Ne5 (24.h4 Qd8+=) 24...Qc7 25.h4 Nb5 26.Bb2 Qe7 27.Qd2 Qh4 28.Qg2 Qe7 29.Bc1 f6 30.Nf3 Nc3 31.Rb3 Ne4 32.Be4 de4 33.Nd2 f5 34.g5 Nd7 35.Qe2 Nb8 36.Qh2 Kf7 37.Nc4 Nd7? 38.Ba3+/- Rb8? 39.b5+– Qd8?? 40.Nd6 Kg8 41.Ne8 Qe8 42.b6 Qc8 43.Rc1 Qb7 44.Rbc3 Rc8 45.Qa2 Kf7 46.Qc2 c5 47.Bc5 Qd5 48.Qb3 Nc5 49.Qd5 ed5 50.Rc5 Rb8 51.Rc7 Kg8 52.Rc8 Rc8 53.Rc8 Kf7 54.b7 Bd4 55.ed4 e3 56.b8Q Ke7 57.Qc7 (57.Qc7 Ke6 58.Re8) 1–0. Choma,Ernani Francisco (1930) – Souza,Anne Daiane (1800), Paranaense–ch Absoluto, 2000. (=1.Nf3 g6 2.c4 Bg7 3.d4 Nf6 4.b4 d6 5.Bb2 0-0 6.e3 Bf5)

6.d4 Bg4

7.Nbd2 Nfd7 8.Be2 c5 9.a3 Qc7 10.0-0 Nc6 11.Bc3 Rfe8 12.b5 Nd8 13.Qc2 cd4 14.Bd4 Ne6 15.Bg7 Kg7 ½–½. Cafferty,Bernard (2175) – Lunn,M (1870), Masters Hastings ENG, 2008. (=1.e3 g6 2.c4 Bg7 3.Nf3 d6 4.d4 Nf6 5.b4 0-0 6.Bb2 Bg4)

7.Bd3 c5!?=.

7.Bd3 Nbd7 8.h3+= Bf3 9.Qf3 (9.gf3 c5=+) 9...c6 10.0-0 e5 11.Nd2 Re8 12.Rfd1 ed4 13.Bd4 Ne5 14.Be5 de5 15.e4 Qb6 16.a3 Rad8 17.c5 Qc7 18.Nc4 h6 (18...Re7 19.Rac1+=) 19.Ra2 (19.Bc2 b6+=) 19...Nh7 (19...Rd4 20.Rad2+=) 20.Rad2 Nf8 (20...Bf8!?+/-) 21.Nd6+– Re7 22.Bc4 Ne6? 23.Be6 Re6 24.Nb5! (24...Rd2 25.Nc7+–) 1–0. lucya (2160) – NN, GameColony.com, 2002.

7.Be2 a6 8.0-0 Nc6 (8...d5 9.Nbd2+=) 9.d5+= Bf3 10.Bf3 Nb8 (10...Ne5 11.Be2+=) 11.Nd2 c6 12.Qb3 (12.a3 Qc7+=) 12...cd5 (12...Qc7 13.Qd3+=) 13.cd5 b5 (13...Nbd7 14.Rfc1+=) 14.Rac1 (14.Rfc1 a5+/-) 14...Nbd7 15.Rc2 Rc8 (15...a5 16.Bd4+=) 16.Rfc1+/- Rc2 17.Qc2 Nb6 18.e4 (18.Qd3 Qd7+/-) 18...Qc8 (18...Qb8 19.Qd3+=) 19.Bd4 (19.Qd3 Qb7+/-) 19...Qc2 20.Rc2 Rc8 21.Rc6 Rc6 22.dc6 Nc8 23.e5 de5 24.Be5 Ne8 25.Bg3 Bc3+= 26.Nb1 Bb4 27.c7 Ba5 28.Bb7+/- Nc7 29.Bc7 Bc7+/- 30.Bc8 a5 31.Bd7 b4 32.g3 f6 33.Kf1 Kf7 34.Ke2 e6 35.Nd2 Ke7 36.Ba4 g5 37.Nc4 h6 38.Ke3 Kd8 39.Kd4 f5 40.Kc5 h5 41.Kb5 h4 42.Na5 Ba5 43.Ka5 hg3 44.hg3 Kc7 45.Kb4 e5 46.Kc5 f4 47.Kd5 fg3 48.fg3 (48...e4 49.Ke4+–) 1–0. Gordon – AaronB, internet, 2005.

7.Be2 b6 8.0-0 c5 9.bc5 bc5 10.Nbd2 cd4 11.Nd4 Be2 12.Qe2 Nfd7 13.Qf3 Na6 14.Nc6 Qe8 15.Rfb1 e5 (15...Nac5!?+=) 16.Qd5 Nf6? (better is 16...Nb6 17.Qd6 Nc8+/-) 17.Qd6+– Rd8? (17...Nd7+–) 18.Nd8 (18.Qd8?! Qc6 19.Qa5 Nd7+–) 18...Qd8 19.Qa6 (19.Be5?! Qd6 20.Bd6 Rd8+–) 19...Qd2 20.Be5 (worse is 20.Qa7 Ne4 21.Ba3 Qf2 22.Kh1 Bh6+–) 20...Ng4 21.Rb2 Be5 (21...Qd7 22.Bg7 Kg7 23.h3+–) 22.Rd2 Ba1 23.Qa7 Bc3 24.Rd1 Bg7 25.c5 Be5 26.h3 Nf6 27.Qe7 Bb2 28.Rd8 Rd8 29.Qd8 Kg7 30.c6 Be5 31.c7 Bc7 32.Qc7 Nd5 33.Qe5 Nf6 34.a4 h5 35.a5 g5 36.Qg5 Kf8 37.Qf6 Ke8 38.a6 Kf8 39.a7 Ke8 40.a8Q Kd7 41.Qad8# (41.Qac6#) 1–0. Fournier,Frederic (2090) – Fabien, Active, 2012.

7.Be2 Ne4 8.Nbd2 Nd2 9.Nd2 Be2 10.Qe2 Nd7 11.0-0 e5 12.Nf3 ed4 13.Bd4 Bd4 14.Nd4 Qe7 15.Rfe1 Rfe8 16.Qc2 Qe5 17.Rad1 Nf6 18.Nf3 Qe4 19.Qc3 Nh5 20.Rd4 Qe6 21.Red1 Ng7 22.Rd5 h6 23.R1d4 Nf5 24.Rf4 Ne7 25.Rd1 Rad8 26.Rf6 Qd7 27.Rd4 Nf5 28.Rf4 Re7 29.Nd4 Nd4 30.Qd4 d5 31.c5 c6 32.Rd6 Qe8 33.Qf6 Rd6 34.Qd6 Re6 35.Qc7 Re7 36.Qd6 Qd7 37.Rf6 Kg7 38.h3 Qe8 39.g4 Rd7 40.Qf4 Qe7 41.Rd6 Rd8 42.Rd8 Qd8 43.Qe5 Kg8 44.f4 Qh4 45.Kg2 Qe1 0–1. barborski – kemori, kurnik, 2012.

7.Be2 e5 8.de5 Bf3?? (better is 8...Nfd7+=) 9.Bf3+– (9.gf3?! Nfd7=; 9.ef6?! Be2 10.Qe2 Bf6=) 9...de5 10.Qd8 Rd8 11.Bb7 (11.Be5?! c6+/-) 11...Nbd7 12.Ba8 Ra8 13.0-0 Nb6 14.c5 Nc4 15.Bc3 Ne4 16.f3 Nc3 17.Nc3 Ne3 18.Rf2 e4 19.Rc1 ef3? 20.Rf3+– Nf5 21.Nd5 c6 22.b5?? cd5–/+ 23.c6? Be5 24.a4 Bc7 25.Rd3 d4 26.Ra1 a6 27.Rb1=+ ab5 28.ab5 Rb8 29.g4 Nd6 30.Rd4?? Bb6–+ 31.Rbd1 Bd4 32.Rd4–/+ Nb5 33.Rb4 Kf8 34.c7 Rc8 35.Rb5 Rc7 36.Kg2 Ke7 37.Rd5 Rc6 38.g5 Rc3 39.h4 Ke6 40.Rd8 f6 41.Rh8 fg5 42.hg5 Rc7 43.Rf8 Rc3 44.Rh8–/+ Kf5 45.Rh7 Kg5 46.Rd7 Kg4 47.Rd4 Kg5 48.Rb4 Kh5–/+ 49.Ra4 g5 50.Ra8 Kg4 51.Ra4–/+ Kh5 52.Ra8 g4 53.Rg8 Kh4 54.Rh8 Kg5 55.Rg8 Kf5 56.Rf8 Kg5 57.Rg8 Kh4 58.Rg7?? Rc2–+ 59.Kf1 Kg3 60.Rf7 Rc1 61.Ke2 Kg2 62.Rf2 Kh1 63.Rf5 g3 64.Rh5 Kg1 65.Kf3 g2 66.Rg5 Rc3 67.Ke2 Kh2 68.Rh5 Rh3 69.Rg5 g1Q 70.Rg1 Kg1 71.Kd2 Kf2 72.Kc2 Ke2 73.Kc1 Rd3 74.Kc2 Ke3 75.Kc1 Kd4 76.Kc2 Kc4 77.Kc1 Kc3 78.Kb1 Re3 79.Ka2 ½–½. kresnik03 – erisonpassos, kurnik, 2011.

7.Be2 e6 8.a3 c6 9.Nc3 Nbd7 10.h3 Bf3 11.Bf3 d5 12.cd5 ed5 13.0-0 Re8 14.Rc1 Ne4 15.Ne4 de4 16.Be2 Nf6 17.Qb3 Rc8 18.Bc4 Qe7 19.a4 Red8 20.b5 cb5 21.ab5 b6 22.Ba3 Qd7 23.Rfd1 Ne8 24.Qb1 Nd6 25.Be2 Rc1 26.Rc1 Rc8 27.Rc8 Nc8 28.Qe4 Nd6 29.Qd5 Bf8 30.Bc4 Qc7 31.Bb3 Qd7 32.e4 Qc7 33.e5 Nf5 34.Bf8 Kf8 35.g4 Ng7 36.Kg2 Ne6 37.Qa8 Kg7 38.Be6 fe6 39.Qe8 Qf7 40.Qc6 h5 41.Kg3 hg4 42.hg4 g5 43.Qe4 Qd7 44.f4 Qb5 45.Qb7 Kg6 46.Qe4 Kg7 47.f5 ef5 48.gf5 Qb3 49.Kg4 Qd1 50.Kg5 Qg1 51.Qg4 Qg4 52.Kg4 a5 53.Kf3 a4 54.Ke3 b5 55.Kd3 b4 56.Kc2 b3 57.Kb2 Kf7 58.d5 Ke7 59.f6 Kf7 60.d6 1–0. vihavald (1615) – paragon500 (1610), kurnik, 2012.

7.h3 Bc8 8.Nc3 Re8 9.g4 e5 10.de5 de5 11.Qd8 Rd8 12.Ne5 Nc6 13.Nc6 bc6 14.Rd1 Rd1 15.Nd1 Ne4 16.Bg2 Nd6 17.Bg7 Kg7 18.c5 Nc4 19.Bc6 Rb8 20.b5 Bb7 21.Bb7 Rb7 22.a4 Kf6 23.Ke2 Ke6 24.Nc3 Ne5 25.f4 Nc4 26.e4 Rb8 27.Rd1 c6 28.bc6 Rb2 29.Kd3 1–0. marekt – jldude, gameknot.com, 2001.

7.h3 Bd7 8.Bd3 Re8 9.0-0 Qc8 10.c5 Nc6 11.a3 e5 12.b5 e4 13.bc6 Bc6 14.Be4 Ne4 15.cd6 Nd6 16.Nbd2 Qf5 17.Rc1 Rad8 18.Rc5 Qc8 19.Qb3 Nf5 20.Rfc1 +=. Bauerndistel – Griesbach, corr 1969.

7.Nc3 a5

8.b5 c6 9.a4 (9.h3 Bf5+=) 9...cb5 10.ab5 (10.cb5 Nbd7+=) 10...d5 (10...Qc7!?=) 11.c5 Ne4 12.Qb3 (12.Qc2 Nc3 13.Bc3 Qc7+=) 12...Nc3 (12...Nd7!?+=) 13.Bc3+/- Bf3 14.gf3 e6 (14...e5 15.Ra4+=) 15.h4 (15.Bd3 Re8 16.Ra4 e5+/-) 15...Re8 (15...e5 16.Qd1+/-) 16.f4+– f5 (16...h5!?+–) 17.Be2 (17.h5 Nd7+–) 17...h5 18.Kd2 Bf6 19.Rag1 Kf7 20.Rg2 Rh8 21.Rhg1 Qg8 22.Bf3 (worse is 22.Rg6 Qg6 23.Rg6 Kg6+–) 22...a4 23.Qa2 Rh7 (23...Qh7 24.Bd5 ed5 25.Qd5 Ke8 26.Rg6+–) 24.Kc1 (24.Bb4 Nd7 25.Bd5 ed5 26.Qd5 Kf8 27.c6 Re7 28.Be7 Be7 29.Qf5 A) 29...gf5?? 30.Rg8 Kf7 31.Ra8 (31.cd7? Rg8 32.Ra1 a3–+) 31...bc6 32.bc6+–; B) 29...Qf7 30.Qf7 Kf7 31.cd7 g5 32.hg5 Ke6+–) 24...Rh6? (better is 24...a3+–) 25.Bd5! Qc8 (25...ed5 26.Qd5 Double attack) 26.Bc4 Bh4 (26...Qe8+–) 27.e4! (27.e4 fe4 28.Qe2+–) 1–0. Brinkmann,Wilhelm – Hanison,Bernard, corr ICCF TT–4–90, 1990.

8.b5 Nbd7 9.h3 Bf3 10.Qf3 (worse is 10.gf3 c5=) 10...Qc8 11.g4 e5 12.Bg2 ed4 13.ed4 Re8 14.Kd2 Nb6 15.Qd3 c5 16.d5 Nfd7 17.f4 Qd8 18.Rae1 Qf6 19.Re4 Re4 20.Qe4 Qd4 21.Qd4 cd4 (worse is 21...Bd4 22.Kd3+=) 22.Nd1 Nc4 23.Kd3 Nb2 24.Nb2 Nc5 25.Kd2 a4 26.Re1 Ra5 27.Re8 Bf8 28.Bf1 d3 29.Nc4 (better is 29.b6!?=) 29...Rb5–/+ 30.Nd6? (better is 30.g5–/+) 30...Rb2–+ 31.Kc3 Rc2 32.Kd4 d2 33.Be2 Rc1 34.h4 d1Q?? (better is 34...Nd7 35.Nb7 d1Q 36.Bd1 Rd1 37.Kc4 Nb6 38.Kb5 Nd5 39.Ka4 Nf4–+) 35.Bd1–/+ Rd1?? 36.Kc5= Kg7 37.Rd8 Rd2 38.Kb6 Ra2 39.Kb7 a3 40.Kc6 Rc2+= 41.Kd7 Rc5 42.Ne8 Kg8 43.Nf6 Kg7 44.Ne8 ½–½. Anton,Jose (1840) – Kiecken,Jean Marc (1780), Provence–ch Majeur op, 1992. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.Nc3 d6 6.d4 Bg4 7.e3)

7.Nc3 Nc6

8.b5 Na5 9.Bd3 e5 10.Qa4 Bf3+= 11.gf3 b6 12.de5+= de5 13.0-0-0 Qe7? (better is 13...Qc8!?= 14.Ne4 Qh3 15.f4 Ng4) 14.Ba3+/- Qe6 (14...c5 15.bc6 Qe6 16.Bf8 Bf8 17.Kd2+/-) 15.Bf8 Rf8 16.c5! e4 (16...bc5 17.Qa3) 17.Ne4+– Ne4 18.Be4 (18.Qe4?? Qa2 19.Qb4 Nb3 20.Qb3 Qb3–+) 18...Qe5 19.Qd4 Qe6 (19...Qd4 20.ed4 (20.Rd4?! Bd4 21.ed4 Rd8+=) 20...Rd8 21.Rhe1+–) 20.Bd5 (20.Qd5 Qf6 21.Rd4 Qe7+–) 20...Bd4 (20...Qe7 21.Qb4+–) 21.Be6 Bc5 22.Bh3 Nc4 (22...c6 23.Rd7+–) 23.Bd7 Ne5 24.f4 Nc4 25.Kc2 1–0. pierre – texeke, internet, 2010.

8.b5 Nb8 9.Be2 c6 10.h3 Bf3 (10...Bf5 11.g4 Bd7 12.g5=) 11.Bf3 e5 12.de5 de5 13.0-0 cb5?? (better is 13...Qe7+=) 14.Bb7 Nbd7 15.Ba8 Qa8 16.Nb5 Rd8 17.Nd6 (17.Qc2 a6 18.Nd6 Qc6+–) 17...Bf8 (17...Nb6 18.c5 Nc4 19.Nc4 Rd1 20.Rfd1+–) 18.c5! Nc5 19.Be5 Bd6 20.Bd6?? (better is 20.Bf6 Bh2 21.Kh2 Rd1 22.Rfd1+–) 20...Qc6= 21.Qf3 Rd6 22.Qc6 Rc6 23.Rfc1 Rc7 24.Rc4= Ne6 25.Rb4 Kg7 26.f4 Nc5 27.g4? Nd5–/+ 28.Rc4 Ne6 29.Rc7+= Nec7 30.Kf2 Nb5 31.a4 Nbc3 32.a5 Ne4 33.Kf3 f5 34.Rd1 Ndf6?? 35.g5+– Ne8 36.Rd7 Kg8 37.Ra7 N8d6 38.Ra8 Kg7 39.Ra7 ½–½. gtate (1930) – pmover (2060), net–chess.com, 2004.

8.Be2 Nb4+= 9.h3 (9.a3 Nc6+=) 9...Bf3 (9...Bf5 10.g4 Bc8 11.g5–/+) 10.Bf3+= Rb8 (10...e5 11.0-0+=) 11.a3 Na6 (11...Nc6 12.0-0+=) 12.0-0 c5 (12...c6 13.Qb3+=) 13.d5 (13.Qb3 cd4 14.ed4 Qd7=) 13...Nc7+= 14.Ne4 b5 15.Nd2 bc4 16.Nc4+= e6 17.de6 Ne6 18.Nd6?? Rb2–+ 19.Nc4 Qd1 20.Rfd1 Rbb8 21.Ra2 Rfd8 22.Rad2 Rd2 23.Nd2 Nd7 24.Nc4 Ne5 25.Be2 Nc4 26.Bc4 Rd8 27.Rb1 Rd7 28.Kh2 Ng5 29.Rb5 Ne4 30.f3 Be5 31.f4 Bd6 32.Bb3 Nc3 33.Ra5 Rc7 34.Bc4 Nd1 35.Ra6 Bf8 36.e4 Ne3 37.Ba2 c4 0–1. jplayer (1985) – ghorn (2045), net–chess.com, 2005. (=1.Nf3 g6 2.d4 Bg7 3.c4 d6 4.Nc3 Nf6 5.b4 0-0 6.Bb2 Bg4 7.e3)

7.Nc3 Nbd7

8.Be2 e5 9.0-0 ed4 10.Nd4 Be2 11.Qe2 Re8 12.Rad1 a5 13.b5 Nc5 14.Rfe1 Nfe4 15.Nd5 Rc8 16.f3 Nf6 17.Nc3 Nfd7 18.e4 Qh4 19.g3 Qh5 20.Nd5 Ne6 21.Kg2 Nd4 22.Bd4 Bd4 23.Rd4 Qe5 24.Qd2 b6 25.Rf1 Qg7 26.Rd1 Nc5 27.g4 h6 28.h4 f6 29.Kf2 Re5 30.Re1 Rce8 31.Qb2? (better is 31.Qf4!? Rf8 32.Qg3=) 31...f5–/+ 32.g5?? (better is 32.Qc3 fe4 33.fe4–/+) 32...Rd5!–+ 33.ed5 (33.cd5 Nd3 Double attack; 33.Rd5 Qb2 Pinning (33...Qb2 Deflection; 33...Qb2 Clearance); 33.ed5) 33…Nd3!! (33...Nd3 34.Rd3 Qb2 35.Kf1 Re1 36.Ke1 Qa2 37.gh6 Qc4–+) 0–1. Franke,Reiner (2270) – Boehm,Juergen (2240), Oberliga Nord W, 1996. (=1.Nf3 g6 2.c4 Bg7 3.d4 d6 4.Nc3 Nf6 5.b4 0-0 6.Bb2 Bg4 7.e3)

8.h3+= Bf3 9.Qf3 (worse is 9.gf3 a5 10.b5 c5=) 9...c6 10.Bd3 e5 11.d5 c5 12.a3 b6 13.b5 Ne8 14.e4 Qf6 15.Qg4 Rd8 16.a4 Qf4 17.a5 h5 18.Qe2 Qf6 19.ab6 ab6 20.Ra7 Bh6 21.0-0 Ng7 22.Rfa1 g5 (22...Qe7+–) 23.Rb7 Qg6 24.Raa7 Nf6 25.Rb6 g4 26.hg4 Ng4 27.Rba6 Qg5 28.f3 Qh4? (28...Nf6+–) 29.fg4 hg4 30.Nd1 (better is 30.Qf2 g3 31.Qf3+–) 30...g3 31.Qf3 Nh5 32.Ra3 Nf4 33.Nf2 Qh2 34.Kf1 gf2 35.Kf2 (35.Qf2 Qh1 36.Qg1 Qh5=) 35...Qh4 36.Qg3 Qg3 37.Kg3 Kh7 38.Kf3 Nd3 39.Rd3 Kg6 40.b6 f5 41.ef5 Rf5 42.Ke2 e4 43.Rg3 Bg5 (43...Rg5 44.Rg5 Bg5 45.Rg7 Kh5+–) 44.Rg7 Kh5 45.Bc1 e3 46.Be3 Re8 47.R7g5 (47.R7g5 Rg5 48.Rg5 Kh4 49.g3 Kh3 50.Kf3 Rf8 51.Bf4 Rh8 52.b7 Kh2 53.b8Q Rb8 54.Rh5 Kg1 55.Be3 Kf1 56.Rh1) 1–0. Westqualmer – Easykiller, playchess.de, 2001.

7.Nbd2 c5

8.a3 Qb6 9.b5 Nbd7 10.h3 Bf3 11.Qf3 a6 12.a4 d5 13.a5 Qd6 14.b6 e5= 15.Ba3 ed4=+ 16.ed4 Ne4 17.Nb3= Rae8 18.0-0-0+= Qf6 19.Re1?? Qf3 20.gf3 Nf2 21.Re8 Re8 22.Rh2 Re1 23.Kc2 Rf1 24.Nd2 Rh1 25.Rf2 Bd4 26.Re2 dc4 27.Re7 Ne5 28.Rb7 c3 29.Bc1?? Rh2 30.Rc7 cd2 31.Bd2 Nc4 32.b7?? Rd2 33.Kb3 Na5 34.Ka4 Ra2 0–1. willow27 – nrgjr2000, ChessWorld.net, 2005.

8.a3 cd4 9.ed4 d5 10.Rc1=.

8.bc5 dc5 9.Qb3 Qc7=.

8.bc5 dc5 9.Be2=.

7.Nbd2 Nbd7

8.Be2 c5 9.b5 a6 10.a4 Qa5 11.0-0 Qb4 12.Qc1 cd4 13.ed4 Qa5 14.Re1 Rfe8 15.Bc3 Qc7 16.Qb2 d5 17.c5 Bf3 18.Bf3 (worse is 18.gf3 Rec8+=) 18...Ne4? (better is 18...e6+=) 19.Ne4+– de4 20.Be4 Rad8 21.c6 bc6 22.Bc6 ab5 (22...e6+–) 23.ab5 (23.Qb5?! Rb8 24.Ba5 Qa7+=) 23...e6 24.Rad1 (24.Ba5 Qd6+–) 24...Re7 25.d5 Bc3 26.Qc3 Nb8 27.Qc5 Qd6 28.Qd6 Rd6 29.g3 e5 (29...Kf8+–) 30.Ra1 Kg7 31.Ra8 Nd7 (31...Rd8 32.Rea1+–) 32.Rd8 1–0. Wheeler,James M – Benson,S, ENG BPCF corr, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Bg4)

8.Be2 Re8 9.0-0 Bf3 10.Bf3 (worse is 10.gf3 e5=) 10...c6 11.Qb3 e5 12.de5 Ne5 13.Be2 Qe7 14.h3 d5 15.Rfd1 Rad8 16.Bd4 b6 17.c5 b5 18.a4 a6 19.ab5 ab5 20.Ra6 Rc8 (20...Ra8 21.Qa2 Qb7 22.Ra1 Ra6 23.Qa6+=) 21.Be5 (21.Rda1 h6+=) 21...Qe5+= 22.Nf3 Qe7 23.Nd4 Qd7?? (better is 23...Ne4 24.Bg4 f5=) 24.Rc6!+– Rc6 25.Bb5 Rec8 26.Nc6 (26.Bc6?! Rc6 27.Nc6 Qc6+/-) 26...Qb7 27.Nd4 Ne4 28.Bd3 Rb8 29.Be4 de4 30.b5 Bd4 31.Rd4 1–0. Sinnwell,Horst (2015) – Alles,Christoph (1980), Ruhrgebiet VL1, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.d4 d6 6.e3 Bg4)

7.Be2 a5

8.b5 a4 9.h3+= Bf5 10.0-0 Nbd7 11.Nh4 e6 12.Nf5 ef5 13.Nc3 a3 (13...Re8 14.Na4 f4 15.Bf3 (worse 15.ef4 Ra4 16.Qa4 Re2–+) 15...fe3 16.fe3+–) 14.Bc1 c5 15.bc6! bc6 16.Qd3 Qc7 (16...Qa5 17.Bd2 Qc7 18.Rab1+–) 17.Rb1+– Rfe8 18.Bf3 Ra6 (18...Nf8 19.Rb3+–) 19.Rb3 Qa7 20.Bd2 Nf8 (20...Rb6 21.Rb6 Qb6 22.Rb1+–) 21.Rfb1 Ne6 22.Rb7 Qa8 23.h4 Nd8 24.Rb8 Qa7 25.g3 Nd7 26.R8b3 Nf6 (26...Rb6 27.Ne2+–) 27.Rb4 (27.h5 Ne6+–) 27...Re7 28.Be2 Qc7 29.h5 Ra7 30.Bf3 Ne6 (30...Re8 31.Kg2+–) 31.Rb8 Re8 32.Re8 Ne8 33.d5 Nc5 (33...Ng5 34.Bg2 Bc3 35.Bc3+– (35.Qc3?! cd5 36.Bd5 Ne4+–)) 34.Qc2 Bc3 35.Bc3 (35.Qc3?! cd5 36.Bd5 Ne4+–) 35...cd5 36.Bd5 Qe7 37.Qd1 Ne4 38.Ba1 Kf8 39.Rb8 Qc7? (39...Rd7+–) 40.Qb1 Nc5 (40...Qe7 41.h6 Qd7 42.Be4 fe4 43.Qe4+–) 41.Bd4 Ke7 42.e4 f4 (42...Nf6 43.ef5 Nd5 44.fg6 hg6 45.h6+–) 43.gf4 Qd7 44.f5 Rc7 45.Qc1 Rc8 46.Rc8 Qc8 47.Qh6 gf5 (47...Nf6 48.Bf6 Kf6 49.Qh7+–) 48.Qh7 Ne6 (48...fe4 49.Qf7 Kd8+–) 49.Qf5 Qb8 50.h6 Qb1 51.Kg2 Qd3 (51...Qd1 52.Bc3 Qc1+–) 52.Bg7! Qe2 (52...N6g7 53.Qg5 Double attack (53.Bf7 Pinning; 53.Qf7 Deflection; 53.Qf7 Decoy); 52...N8g7 53.hg7 Passed pawn) 53.Be6 fe6 54.Qg6 Nc7 55.h7 Qc4 56.h8Q Kd7 57.Qf7 Kc6 58.Qc8 Qe4 (58...Kb5 59.Qfd7 Kb4 60.Qd6 Ka4 61.Qcd7 Ka5 62.Bd4 Qf1 63.Kf1 Nb5 64.Q7c6 Nd6 65.Bc3) 59.Kg3 Qd3 (59...Kb5 60.Qfd7 Kb4 61.Qb8 Kc4 62.Qb3 Kc5 63.Qc7 Qc6 64.Qc3 Kd5 65.Q3c6) 60.f3 (60.f3 Qg6 61.Qg6 Kb6 62.Qb8 Ka5 63.Qd3 Ka4 64.Qc7 e5 65.Qdc4) 1–0. marekt (2140) – condoru (2055), gameknot.com, 2015.

8.b5 b6 9.Nc3+= Nfd7 (better 9...c5!?+=) 10.h3+– Bf5? (better 10...Bf3 11.Bf3 Ra7+–) 11.e4 Be6 12.d5 Nc5 (12...a4 13.Qd2+– (13.de6?! a3 14.Qd2 ab2 15.ef7 Rf7 16.Qb2 Nc5=+)) 13.de6 fe6 (13...Ne6 14.Qc1+–) 14.Nd4 Qd7 (14...Nbd7 15.0-0+–) 15.0-0 e5 (15...a4 16.Bc1+–) 16.Nb3 Ne6 (16...e6 17.Nc5 bc5 18.Rb1+–) 17.c5! Qe8 (17...bc5 18.Bg4 Combination; 17...dc5 18.Bg4 Combination; 17...Nc5 18.Qd5 Double attack) 18.Bc4 Qf7 (18...dc5 19.Be6 Kh8 20.a4+–) 19.Qg4 (19.Qg4 Kh8 20.cb6 cb6 21.Be6+–) 1–0. Pierre – Fenetron, internet, 2020.

8.b5 c5 9.Nc3=.

8.b5 Ne4 9.Qc2 (9.0-0 A) 9...Nd7 10.Qc2 (10.Nbd2 Nd2 11.Nd2 Be2 12.Qe2 c5 13.bc6 bc6+=; 10.Nfd2 Be2 11.Qe2 Nd2 12.Nd2 c5 13.Qf3 Qc7+=; 10.Nc3 Nc3 11.Bc3 Nf6 12.Qe1 a4 13.a3 Ne4=) 10...Ndf6 11.h3 Be6 12.Bd3 d5 13.cd5 Bd5+=; B) 9...a4 10.Qc2 (10.a3 c5 11.Qc2 Nf6 12.Nc3 cd4 13.ed4 Bf5+=; 10.Nfd2 Be2 11.Qe2 Nd2 12.Nd2 c6 13.bc6 bc6+=; 10.h3 Bf5 11.Bd3 d5 12.cd5 Qd5 13.Nh4 Be6+=) 10...Nf6 11.Nc3 e5 12.de5 a3 13.ef6 Qf6+/-; C) 9...c5 10.Nbd2 (10.Qc2 Nf6 11.dc5 Bf5 12.Qb3 dc5 13.Nc3 e6+=; 10.bc6 Nc6 11.Nc3 Nc3 12.Bc3 Qc7 13.Rb1 e5+=; 10.Nc3 Nc3 11.Bc3 cd4 12.ed4 Qc7 13.Qd3 Rc8+=) 10...Nd2 11.Qd2 cd4 12.ed4 Nd7 13.Rfe1 Rc8+=) 9...f5 (9...Nf6!?+= 10.Nc3 (10.0-0 Bf5 11.Bd3 Bd3 12.Qd3 d5 13.cd5 Qd5+=; 10.Nbd2 c5 11.h3 Bd7 12.dc5 Bf5 13.Qc3 dc5+=; 10.e4 c6 11.Nc3 Nfd7 12.d5 Nb6 13.Nd2 Be2+=) 10...c5 11.dc5 Bf5 12.Bd3 Bd3 13.Qd3 dc5+=) 10.h3+/- Bf3 11.Bf3 (worse is 11.gf3 Nf6= 12.f4 Qc8 13.h4 c6+=) 11...d5 (11...e6 12.Be4 fe4 13.Qe4+/- Qf6+/-) 12.Nc3 (12.cd5 Qd5 13.Nc3 Qc4+–) 12...Nc3 (12...c6 13.Rb1 a4+=) 13.Qc3 c6 14.0-0 Nd7 (14...e5!?+/-) 15.bc6 bc6 16.cd5 cd5? (better is 16...c5+–) 17.Bd5 Kh8 18.Ba8 Qa8 19.Rfc1 Nf6 20.Qc6 Qb8 (20...Ne4 21.Ba3 Bf6 22.Qa8 Ra8 23.Rc7+–) 21.Rab1 Ne4 (21...Qd8 22.Ba3+–) 22.Ba3 Qa7 (22...Qd8 23.Rb7 Bf6 24.Qc7+–) 23.Rb7 (23.Rb7 Qa8 24.Re7+–) 1–0. Janek – Vesely, internet, 2016.

7.Be2 c5

8.a3 cb4 9.ab4 Nc6 10.b5 Nb8 11.Nbd2 Nbd7 12.0-0 b6? (12...Qc7 13.h3 Bf3 14.Bf3+/- (worse is 14.gf3 a5=)) 13.Qb3 (13.h3!? Bf5 14.g4 Ng4 15.hg4 Bg4 16.Kg2+–) 13...e5+/- 14.h3 Bf3 (better is 14...Be6!?+/-) 15.Bf3+– (15.Nf3?! Qc7+/-; 15.gf3?! ed4 16.Bd4 Nh5 17.Bg7 Nc5+=) 15...Rb8 16.Ra7 ed4 17.ed4 d5 18.cd5 Nh5 19.Rfa1 Ndf6 20.d6! Qd6 21.Ba3 Qd4 22.Bf8 Rf8 23.Nf1 Nf4 24.Rd1 Qc5 25.Bc6 h5? 26.Ne3 Bh6 27.Qc4 Qg5 28.Kf1 Nh3 29.gh3 Qe5 30.Qd4 Qh2 31.Qf6 Be3 32.fe3 Qh3 33.Ke2 Qh2 34.Qf2 Qe5 35.e4 Qb2 36.Rd2 Qc3 37.Qe3 Qe5 38.Rad7 Re8 39.Rd8 Qh2 40.Qf2 Qf2 41.Kf2 Rd8 42.Rd8 (42.Rd8 Kg7 43.e5+–) 1–0. futsalboy – rrebeshi33 (1815), kurnik, 2011.

8.dc5 dc5 9.Qd8 Rd8 10.h3 Be6 11.bc5 Na6 12.c6 bc6 13.0-0 Bf5 14.Nd4 Ne4 15.Rd1 c5 16.Nf5 Bb2 17.Ne7 Kf8 18.Rd8 Rd8 19.Nc6 Rd6 20.Na7 Ba1 21.Nb5 Rd8 22.a4 Nb4 23.h4 Bf6 24.h5 Nd3 25.f4 Bh4 26.Bf3 Bf2 27.Kh2 Ng3 28.Na7 Nf1 29.Kh1 Ne3 30.Nc6 Re8 31.Nd2 Be1 32.Nb3 0–1. COMP – COMP, 2002.

8.dc5 dc5 9.Qd8 Rd8 10.h3 Bf3 11.Bf3 Nc6 12.Bc6 bc6=+ 13.a3 Ne4 14.Bg7= Kg7 15.0-0 cb4 16.ab4 Nd2 17.Nd2+= Rd2 18.Rfb1 Rc2 19.c5 a5 20.Rb3 Rc4 21.ba5 Rc5+= 22.a6 Rb5 23.Rba3 c5 24.Ra4 Rb4 25.Ra5 c4 26.Rc5 e6 27.Rc7+/- Kf6 28.g3 h5 29.a7 Ke5 30.Rf7+– c3 31.Ra5 Ke4?? 32.Rf4 Kd3 33.Rb4 c2 34.Rd4 Ke2 35.Ra2 e5 36.Rc2 (36...Kf3 37.Ra4+–) 1–0. Bonetti,Shane – stratosphere (1680), ICC, 2002.

8.dc5 dc5 9.Qd8 Rd8 10.h3 Bf5 11.bc5 Na6 12.Bd4 Rac8 13.c6 Nb4 14.cb7 Nc2 15.Kf1 Rb8 16.Nh4 Be4 17.Na3 Na3 18.Ba7 Rb7 19.Bc5 Bb1 20.Ba3 Ne4 21.Be7 Rdb8 22.Bb4 Rb4 23.a3 R4b6 24.g3 Ba1 25.Kg2 0–1. COMP – COMP, 2002.

8.dc5 dc5 9.Qd8 Rd8 10.h3 Bf5 11.bc5 Nfd7 12.Bg7 Kg7 13.Nd4 Bb1 14.c6 Be4 15.c7 Re8 16.cb8Q Rab8 17.f3 e5 18.Nb5 Bc2 19.Na7 Nf6 20.Rc1 Bf5 21.Nb5 Nh5 22.Nd6 Red8 23.Nf5 gf5 24.g4 Ng3 25.Rg1 Ne2 26.Ke2 Kf6 27.Rb1 fg4 28.Rb6 Kg7 29.hg4 Ra8 30.Ra1 Ra7 31.g5 Rc8 32.Kd3 Ra4 33.Rc1 Rc7 34.Ke4 Ra2 35.Ke5 Ra4 36.Kd6 Rac4 37.Rc4 Rc4 38.Rb7 Rc3 39.Re7 Ra3 40.f4 Kf8 41.Re5 Kg7 42.e4 Ra6 43.Kd5 h5 44.gh6 Kh6 45.Re7 Kg6 46.e5 Ra5 47.Ke4 Ra4 48.Kf3 f6 49.Re6 Ra3 50.Kg4 Ra4 51.Rf6 Kg7 52.Kf5 Ra5 53.Rb6 Kf7 54.Rb7 Ke8 55.Kf6 Ra6 56.e6 Kd8 57.Kf7 Kc8 58.e7 Kb7 59.e8Q Kc7 1–0. COMP – COMP, 2002.

8.bc5 dc5

9.0-0 Qb6 10.Qb3 Nfd7 11.Nbd2 Nc6 12.Rfe1 Rfd8 13.Rad1 e6 14.Qb6 Nb6 15.h3 Bf3 16.Nf3 Na5 17.dc5 Rd1 18.Rd1 Na4 19.Bd4 Bd4 20.ed4 Nc3 21.Rd2 Ne2 22.Re2 Nc4 23.Rc2 Na5 24.Rb2 a6 25.Kf1 Rd8 26.Ke2 Kg7 27.Rb6 Kf6 28.Kd3 h6 29.Ne5 h5 30.f4 h4 31.Kc3 Rd5 32.Kb4 Nc6 33.Nc6 bc6 34.Kc3 g5 35.Rc6 gf4 36.Ra6 Rg5 37.Kd3 Rg2 38.Ke4 Kg5 39.c6 Re2 40.Kd3 Re3 41.Kd2 Rh3 42.c7 Rh2 43.Kd3 Rh3 44.Kc4 Rh2 45.Ra3 Rc2 1–0. COMP – COMP, 2002.

9.0-0 Qb6 10.Qb3 Ne4 11.Qb6 ab6 12.h3 Bf5 13.Nc3 Nc3 14.Bc3 Rd8 15.Rfd1 Nc6 16.Bb2 Ra4 17.a3 Na5 18.Rac1 Be6 19.d5 Bb2 20.de6 Rd1 21.Rd1 Ra3 22.ef7 Kf7 23.Ng5 Kg7 24.Ne6 Kg8 25.Rd8 Kf7 26.Bg4 Ra1 27.Kh2 Kf6 28.f4 g5 29.Rf8 Kg6 30.Bf5 Kh5 31.Rf7 Rh1 32.Kg3 gf4 33.ef4 Rh3 34.Kh3 Bg7 35.g4 Kh6 36.g5 Kh5 37.Ng7 1–0. COMP – COMP, 2002.

9.0-0 Nc6 10.h3 Bf5 11.d5 Qb6 12.Bc3 Rfd8 13.Nh4 e6 14.Nf5 gf5 15.Bf3 ed5 16.cd5 Nb4 17.Qd2 Rd7 18.Bb4 Qb4 19.Qc2 Nd5 20.a3 Qb6 21.Qf5 Qe6 22.Qe6 fe6 23.Ra2 c4 24.Rc1 b5 25.Kf1 Rad8 26.Ke1 Kf7 27.Rd2 a6 28.g3 h6 29.Rcd1 c3 30.Re2 a5 31.e4 Nb6 32.Rd7 Rd7 33.Ra2 b4 34.ab4 ab4 35.Bd1 Nc4 36.Ke2 Ne5 37.Ra8 Nf3 38.Ba4 Nd4 39.Kd3 Rc7 40.Rb8 c2 41.Bc2 Nc2 42.f4 Bb2 43.e5 Kg6 44.Rb6 Kf5 45.Rb8 Rc6 46.Rf8 Kg6 47.Rb8 h5 48.Ke4 Rc4 49.Kd3 Na3 50.Nd2 Rc3 51.Ke2 Bc1 52.Nf3 b3 53.f5 Kf5 54.Rb3 Rb3 55.Nd4 Ke5 56.Nb3 Bg5 57.h4 Bf6 58.Nc5 Kd5 59.Nd3 e5 60.g4 hg4 61.Nf2 g3 62.Ng4 Bh4 63.Ne3 Ke4 64.Ng2 Be7 65.Ne1 Nb5 66.Ng2 Nd4 67.Kd1 Kf3 68.Ne1 0–1. COMP – COMP, 2002.

9.0-0 cd4 10.ed4 Nc6 11.d5 Na5 12.Ne5 Qb6 13.Bc3 Be2 14.Qe2 Rac8 15.Re1 e6 16.de6 fe6 17.Nd2 Qa6 18.Rab1 Nc6 19.Ng4 Nd8 20.Nf6 Bf6 21.Bf6 Rf6 22.Ne4 Rf8 23.Rb5 Rf4 24.Rd1 Rf8 25.Qb2 Rf7 26.Rd6 Qa4 27.Nc5 Qc4 28.Rd4 Rc5 29.Rd8 Rf8 30.Rf8 Kf8 31.Qh8 Ke7 32.Rb7 Kd6 33.Qb8 Kd5 34.Rd7 Ke4 35.Qb7 Rc6 36.Rd1 a5 37.Re1 Kd3 38.Qb2 Qf4 39.Rd1 Kc4 40.a4 Rb6 1–0. COMP – COMP, 2002.

9.0-0 cd4 10.ed4 Nc6 11.d5 Na5 12.Ne5 Qb6 13.Qd2 Ne4 14.Qc2 Be2 15.Qe2 e6 16.Rd1 ed5 17.cd5 Rfe8 18.Bd4 Qb4 19.f4 Nf6 20.Nc3 Rac8 21.Rab1 Qd6 22.Nb5 Qd5 23.Na7 Ra8 24.Rb5 Qd8 25.Bb6 Qb8 26.Ra5 Nh5 27.Qc4 Be5 28.fe5 Re5 29.Bc7 Re4 30.Bb8 Rc4 31.Rd8 Kg7 1–0. COMP – COMP, 2002.

9.0-0 cd4 10.ed4 Qc7 11.Ne5 Qb6 12.Bc3 Be2 13.Qe2 e6 14.Nd2 Nc6 15.Nc6 Qc6 16.Bb4 Rfd8 17.Nf3 Nh5 18.Rfd1 Nf4 19.Qf1 Rac8 20.Bc5 b6 21.Be7 Rd7 22.Ba3 Qc4 23.Qc4 Rc4 24.Ne5 Be5 25.de5 Rd5 26.Bd6 Rc2 27.Rd5 ed5 28.Bb8 a5 29.a4 d4 30.Ba7 d3 31.Bb6 d2 32.Be3 Ra2 33.Rf1 Ne2 34.Kh1 Nc3 35.Bd2 Rd2 36.g4 Re2 37.f4 Ra2 38.Rc1 Na4 39.f5 gf5 40.gf5 Nb6 41.e6 fe6 42.fe6 a4 43.Re1 Kf8 44.Rb1 Nd5 45.Rd1 Ne3 46.Re1 Ra3 47.Kg1 Ke7 48.Kf2 Ke6 49.h4 Kf5 50.Ke2 Ng2 51.Rf1 0–1. COMP – COMP, 2002.

9.0-0 Nbd7 10.Nc3 cd4 11.ed4 Rc8 12.Qb3 Nh5 13.Bd1 Bf3 14.Bf3 Bd4 15.Qb7 Nc5 16.Qd5 Nd3 17.Rad1 Nhf4 18.Qd8 Rfd8 19.Nd5 Rd5 20.cd5 Bb2 21.Be4 Nc1 22.Rd2 Nce2 23.Kh1 Bc3 24.Rdd1 f5 25.Bd3 Nd4 26.Ba6 Rc7 27.Rb1 Nd5 28.Rb8 Kg7 29.a3 Nb6 30.Rb1 Bb2 31.a4 Na4 32.Bf1 Rc2 33.Rb4 Nc3 34.R1b2 Rc1 35.h3 Rf1 36.Kh2 Nce2 37.f3 f4 38.h4 a5 39.Rb7 Rf2 40.Kh3 Ng1 41.Kh2 Ngf3 42.Kh3 Ng1 43.Kh2 Nge2 44.Kh3 Kh6 45.Rb1 f3 46.gf3 e5 47.R1b2 0–1. COMP – COMP, 2002.

9.0-0 Nbd7 10.Nc3 cd4 11.ed4 Rc8 12.Qb3 Nh5 13.Bd1 Bf3 14.Bf3 Bd4 15.Qb7 Nc5 16.Qd5 Nf4 17.Qd8 Rfd8 18.Nd1 Nce6 19.g3 Nd3 20.Bd4 Nd4 21.Be4 Ne5 22.Ne3 Nc4 23.Nd5 Rc5 24.Ne7 Kf8 25.Ng6 hg6 26.Rfe1 f5 27.Bg2 Ra5 28.h4 Na3 29.Red1 Nac2 30.Rab1 Ra2 31.Kf1 a5 32.Rb6 Kg7 33.g4 a4 34.h5 gh5 35.gh5 a3 36.h6 Kh8 37.Rdb1 Kh7 38.Ra6 Rb2 39.Rb2 ab2 40.Rb6 Re8 41.Be4 Re4 42.Rb2 0–1. COMP – COMP, 2002.

9.0-0 Nbd7 10.Nbd2 Qc7 11.h3 Bf3 12.Bf3 Rfd8 13.Qe2 Rac8 14.Rfe1 Nb6 15.Rab1 cd4 16.Bd4 e5 17.Bb6 ab6 18.Rbd1 Rd6 19.Ne4 Rd1 20.Rd1 Ne4 21.Be4 Qc4 22.Qf3 Rf8 23.Bd5 Qc2 24.e4 Qc7 25.Qe3 Rd8 26.Rc1 Qd6 27.Rb1 Qc7 28.Qb6 Qb6 29.Rb6 Rd7 30.a4 Kf8 31.a5 Ke7 32.Bb7 Rd6 33.Rb1 Rd4 34.Ra1 Kd8 35.a6 Kc7 36.a7 Rd8 37.a8Q Ra8 1–0. COMP – COMP, 2002.

9.d5 Nbd7 10.0-0 b6 11.Nbd2 Nh5 12.Bg7 Ng7 13.h3 Bf3 14.Nf3 e6 15.e4 ed5 16.ed5 Nf5 17.Bd3 Nd6 18.Qc2 Re8 19.a4 Ne5 20.Ne5 Re5 21.a5 ba5 22.Qc3 Re7 23.Ra5 Nb7 24.Ra6 Rd7 25.Rfa1 Rd6 26.Ra7 Ra7 27.Ra7 Qb6 28.Ra8 Nd8 29.Qa5 Qa5 30.Ra5 Nb7 31.Ra8 Kg7 32.Rc8 f5?? (better is 32...h6+–) 33.Rc7 (33.Rc7 Kf6 34.Rb7+–) 1–0. carocan (1720) – dalidis, kurnik, 2011.

9.d5 Nbd7 10.0-0 Nb6 11.Nbd2 Qd6 12.h3 Bf3 13.Nf3 Nfd7 14.Bg7 Kg7 15.e4 Ne5 16.Ne5 Qe5 17.f3 Rad8 18.Qc2 Qg3 19.Rad1 Rd6 20.a4 Nd7 21.a5 Nf6 22.Qc3 Kg8= 23.e5 Ne4?? 24.Qd3 Ng5 25.ed6?? Nh3–+ 26.Kh1 Nf4 27.Rf2 Nd3 28.Bd3 Qf2 29.Kh2 ed6 30.Rf1 Qd2 31.Be4 f5 32.Bb1 Re8 33.Kg3 Re1 34.Rf2 Qg5 35.Kh2 Qh4 0–1. Fournier,Frederic (1745) – topgun343, Active, 2007.

9.h3 Bf5 10.0-0 Qb6 11.Qc1 Nc6 12.Rd1 Rad8 13.d5 Nb8 14.Nc3 Ne4 15.g4 Nc3 16.Bc3 Bc3 17.Qc3 Bc8 18.Rab1 Qc7 19.e4 b6 20.Qe3 Kg7 21.Kg2 Nd7 22.Ne1 e6 23.Rb2 ed5 24.ed5 Rde8 25.Qc3 Kg8 26.Nd3 Ne5 27.Ne1 f5 28.Qg3 Qf7 29.f4= Nd7 30.g5 Re7 31.Bf3 Rfe8 32.Nc2?? Ba6 33.d6= Re2 34.Be2 Re2 35.Kg1 Bc4 36.Re1 Re1 37.Qe1 Ba2?? 38.Qa1?? Be6 39.Qa7+= Bb3 40.Qa3 c4? 41.Nd4+– Nc5 42.Re2 Ne4?? 43.Qa8 Kg7 44.Qc8 c3 45.d7 Nd6 46.Qc3 Qd7 47.Re7!! Qe7 48.Nf5 Kf8 49.Ne7 Be6 50.Qf6 (50.Qf6 Bf7 51.Qd6 Kg7 52.f5 Be6 53.f6 Kf7 54.Qd8 Bh3 55.Qg8#) 1–0. Bousios,Hristos – Kalessis,El, Greece ch–CatD, 1976. (=1.Nf3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Bg4 7.Be2 c5)

7.Be2 c6

8.0-0 Na6 9.a3 Nc7 10.h3 Bf3 11.Bf3 d5 12.cd5 cd5 13.Nc3 e6 14.Rc1 Qd7 15.Be2 a6 16.Na4 Qd8 17.Qb3 Nd7 18.Rc2 b5 19.Nc5 Nc5 20.bc5 Re8 21.f4 f5 22.Bc3 Qd7 23.Ba5 Qc6 24.Ra1 Rec8 25.Bf3 Kh8 26.g4 Bf6 27.gf5 gf5 28.Rg2 Rg8 29.Raa2 Rg7 30.Rg7 Bg7 31.a4 ba4 32.Qb6 Qb6 33.Bb6 Nb5 34.Ra4 Bf6 35.Ba5 Kg7 36.Be1 Kf8 37.Be2+– Ke7 38.Kh2 Nc7 39.Ba5+– Kd7 40.Bc7 Kc7 41.Ra6 Ra6 42.Ba6 Bh4 43.Kg2 Be1 44.Bb5 h5 45.Be8 Kd8? 46.Bh5 Kd7 47.Bf7 Bh4 48.c6! Kc6 49.Be6 Kd6 50.Bf5 Be1 51.Kf3 1–0. Mueri,Felix – Wunderle,Karl, SUI–ch Hauptturnier III, 1999. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 Bg4 7.Be2)

8.h3 Bf3 9.Bf3 d5 10.cd5 cd5 11.0-0 Nc6 12.b5 Na5 13.Nd2 Rc8 (13...a6 14.a4=) 14.Rc1 (14.Qa4 b6+=) 14...b6 (14...Rc1 15.Bc1 Qd7 16.Qa4+=) 15.Qa4 Qd7 16.Ba3 Rc1 17.Rc1 Rc8 (17...Re8 18.Be2+/-) 18.Qd1 (better is 18.Rc8!? Qc8 19.Be7 Qc1 20.Nf1+–) 18...e6 19.Be2 Bf8 20.Bf8 Kf8 21.Rc2 Rc2 22.Qc2 Ne8 23.Nf3 f6 24.Nd2 Qc7 25.Qc7 Nc7 26.Kf1 Ne8 27.Ke1 Nd6 28.Kd1 Ke7 29.Kc2 e5 30.Kc3 e4 31.Nb3 Nac4 32.Nd2 Nd2 33.Kd2 f5 34.a4 g5 35.g3 Ne8 36.f3 Nf6 37.Kc3 h5 38.f4= gf4 39.gf4 h4 40.Kb4 Kf7 41.a5 Kg6 42.ab6 ab6 43.Kc3 ½–½. Boehmert,Andreas – Sarkosch,Nerssi, Hamburg, 1999.

8.0-0 Nbd7

9.a4 a6 10.b5 ab5 11.ab5 Ra1 12.Ba1 cb5 13.cb5 Qb6 14.Qb3 Ne4 15.Nc3 (better is 15.Rc1=) 15...Bf3–/+ 16.Bf3 Nd2 17.Qb4 Nf1 18.Nd5 Qd8 19.Kf1 Nb6 20.Nc3 d5 21.Qc5 e6 22.Bb2 Nc4 23.Bc1 Qa5 24.Ne2 (24.Nd5 ed5 25.Bd5 Qa4–+) 24...Qa1 25.g3 Qb1 26.Kg2 Qc2 27.Qc7?? (27.Qe7 e5 28.Qb7–+) 27...Ne3! 28.Be3 Qc7 0–1. carocan (1745) – yellowsock, kurnik, 2011.

9.a4 Qb6 10.a5 Qb4?? 11.Bc3+– (11...Qc3 12.Nc3+–) 1–0. Trkn – guest2644, ICC, 2004.

9.Nc3 e5 10.de5 de5 11.Qb3 Qc7 12.Rad1 a6 13.h3 Bf3 14.Bf3 Rad8 15.Rc1 Rfe8 16.b5 ab5 17.cb5 c5 18.a4 b6 19.Bc6 Re7 20.Ne2 Nb8 21.Rcd1 Nc6 22.bc6 Rd1 23.Rd1 Qc6 24.Rd8 Re8 25.Qd1 Qe6 26.Rd6 Qc4 27.Rb6 Nd5 28.Rb7 Nb4 29.Nc3 e4 30.Qd7 Rf8 31.Qd2 Nd3 32.Ba1 Ra8 33.Ne4 Ba1 34.Nd6 Qd5 35.Rd7 Rf8 36.e4 Qd4 37.Qh6 Qf2 38.Kh2 Be5 39.Kh1 Qf1 0–1. polynesia46 (1700) – domato, kurnik, 2012.

9.Nbd2 a5 10.a3 ab4 11.ab4 Qb6 12.Qb3 e5 13.h3 Bf3 14.Bf3 Ra1 15.Ra1 Ne8 16.c5 Qc7 17.Bc3 (17.Ra7 Qb8 18.Ra2 ed4 19.Bd4 Bd4 20.ed4 Nc7+=) 17...ed4+= 18.ed4 d5 19.b5 Qf4 20.g3 (20.Ra7 Qb8 21.bc6 Qa7 22.cd7 Nc7 23.Bd5 Nd5 24.Qd5 Rd8+–) 20...Qf6+= 21.Qb4 Bh6 22.Bg4+/- Qd8 23.Nb3 f5+= 24.Bf3 Nef6 25.Qa4 Nb8 26.Qa8+/- Ne4 27.Ra7 Qc8 28.Be4+/- fe4 29.Qb7 Qb7 30.Rb7 cb5 31.Na5 e3 32.f4 g5 33.f5 Bg7 34.g4 b4 35.Rb4 Na6 36.Rb3 Re8 37.Kf1 e2 38.Ke1 Re3 39.Bd2 Re4 40.Nc6 Bd4 41.Nd4 Rd4 42.Bg5 Nb4? 43.Ke2 Rc4 44.Ra3 Nc6 45.Be3 Re4 46.Kf2 d4 47.Bh6 Kf7 48.Ra6 Nb4 49.Ra7 Kf6 50.Kf3 Re1 51.Bg7 Kg5 52.h4 (52.h4 Kh4 53.Bf6 Kh3 54.Rh7#) 1–0. Schlinkmeier,K – Tudosa,D, Bayern, 1997.

9.Nbd2 Qc7 10.e4. DEFFM – GuestHHSV, freechess.org, 2018.

9.Nbd2 Rc8 10.h3 Bf3 11.Nf3 d5 12.c5 Qc7 13.a4 a6 (13...Ne4 14.Nd2+=) 14.Bd3 Rfe8 15.Qc2 h6 16.Rae1 Nh7 17.Nh4 (17.Re2 Nhf6+=) 17...e5= 18.de5 Ne5 19.Be5 Qe5 20.Ng6 fg6 21.Bg6 Nf6 22.Be8 Re8 23.Rb1 Ne4 24.b5 (24.Rb3!?=) 24...ab5 25.ab5 Nc3 26.Rb4 Nb5 27.Rg4 Rf8 28.Qg6 Qf6 29.Qh5 Nc3 30.f3 Qf5 31.Qh4 Qf6 32.Qh5–+ Qf5 33.Qh4–/+ Qf6 34.Qe1 Qe7?? 35.Qc3+– (35.Qc3 Kh8 36.Qc1+–) 1–0. Lorke,Wolfgang (1810) – Buchholz,Horst, 05sen.DSB–Senioren Derby, 2006.

9.Nbd2 Re8 10.Qc2 e5 11.de5 Ne5 12.Rfd1 Qe7 13.h3 Bf3 (13...Bf5 14.Qb3=) 14.Nf3+= Nfd7 15.Ne5 Be5 16.Rd2 a5 17.b5 cb5 18.cb5 Rac8 19.Qd1 Bb2 20.Rb2 Nb6 21.Rd2 d5 22.Bf3 Rc5 23.a4 (23.Bd5 Rb5 24.Bf3 Nc4+/-) 23...Qe5 24.Rc1 Rc1 25.Qc1 Rc8 26.Qd1 Rc5 27.Rd4 Qc7 28.Qe1 Rc1 29.Rd1 Rd1 30.Qd1 Qc4 31.Qa1 Nd7 32.Qd1 Nb6 33.Qa1 Na4 34.Qe5= Qb5 35.Bd5 Qd7 36.Qb8 Kg7 37.Bb7 Qe7 38.Bc6 Nc3 39.Qa8 Qc5 40.Qa6 Qb4–/+ 41.Qa7? Qb3?? 42.Kh2 Ne2 (42...Ne2 43.Qa5 Qd1 44.Qe5 Kh6=; 42...Qc4!? 43.Qc7 h6=+). Jakob,S – Costa,J, San Bernardino, 1989.

9.Nbd2 Bf3 10.Bf3 e5 11.de5 Ne5 12.Be2 Qc7 13.Rb1 d5 14.Qc2 dc4 15.f4 Nd3?? (better is 15...Ned7 16.Bc4 Rad8=) 16.Bf6+– (16.Qc4 Nb2 17.Rb2 Rfd8–/+; worse is 16.Bd3 cd3 17.Qd3 Rfd8+=) 16...Bf6 17.Nc4 Rad8? (17...b5 18.Nd2 Nf4 19.ef4 a5+–) 18.Bd3 1–0. pierred – anony, internet, 2014.

9.h3 Bf3 10.Bf3 Rc8 11.Nd2 d5 12.a4 Re8 13.e4 de4 14.Ne4 Ne4 15.Be4 e5 16.d5 Nb6 17.Qb3 f5 18.Bd3 e4 19.Be2 Bb2 20.Qb2 cd5 21.Rfd1 Nc4 22.Qb3 Qf6 23.Rac1 Nb6 24.a5 Rc1 25.Rc1 Nc4 26.Rd1 e3 27.Rd5 ef2 28.Kf1 Ne3 29.Kf2 Nd5 30.Qd5 Qe6 31.Qe6 Re6 32.Bc4 Kf7 33.Be6 Ke6 34.Ke3 Kd5 35.Kd3 g5 36.g3 h5 0–1. polynesia46 – freda, kurnik, 2012.

7.Be2 Nc6

8.a3 a6 9.0-0 Qd7 10.c5 dc5 11.bc5 Rad8 12.Qb3 Qe8 13.Qb7?? (13.Nbd2 Qd7+=) 13...Ra8?? (better is 13...Rb8 14.Qc7 Rb2 15.Ba6 Bf3 16.gf3 e5–+) 14.Qb3+/- Qd7 15.Nc3 Be6 16.Bc4 (16.Qc2 Rfb8+/-) 16...Bg4 (16...Rab8 17.Be6 Rb3 18.Bd7 (< 18.Bb3 Rb8 19.Ba4 Rb2=+) 18...Nd7 19.Na4+=) 17.Nd2 (17.Ne5 Ne5 18.de5 Rab8+–) 17...Qf5 (17...Na5!? 18.Qa2 Nc4 19.Nc4 Rab8+/-) 18.h3 Bh3 19.gh3 Qh3 20.f3?? (20.Qd1 Ng4 21.Nf3 Be5=) 20...g5?? (better is 20...Qg3 21.Kh1 Qh3 22.Kg1 Qg3 23.Kh1 Qh3 24.Kg1=) 21.Rf2 g4 22.Rh2 Qg3 23.Rg2 Qh4 24.Rh2 Qg5?? 25.f4+– Qf5 26.d5 Rab8 27.Qd1?? Na5?? 28.Bc1?? Nc4 29.Nc4 Ne4 30.Ne4 Qe4 31.Qg4?? Qc4 32.Bd2= Qd5?? 33.Qh5 Qh5–+ (34.Rh5 Ba1–+) 0–1. slavisa11 – karvapawnov, Caissa.com, 2004.

8.a3 a6 9.Nbd2 b6 10.0-0 Qd7 11.Ng5 Be2 12.Qe2 Ne8 13.Ngf3 e5 14.de5 de5 15.Ne4 Qf5 16.Ng3 Qe6 17.Rfd1 Nf6 (17...f5 18.Rac1+=) 18.Qc2 Rad8 19.Rd8 (19.b5!? Na7 20.Be5 ab5 21.cb5 Nb5 22.Rd8 Rd8 23.a4+/- (23.Bc7? Rc8–+)) 19...Rd8+= 20.Rd1 Rd1 21.Qd1 Qc4 22.Ne5 Ne5?? (22...Qd5 23.Qa1+=) 23.Be5?? (better is 23.Qd8 Bf8 24.Qf6+– (24.Be5 Ng4–+)) 23...Qd5 24.Qd5 Nd5 25.Bg7 Kg7 26.Ne2 f5 27.Kf1 Kf6 28.Ke1 Ke5 29.Kd2 Kd6 30.Kd3 c5 31.bc5 Kc5 32.f3 b5 33.e4 fe4 34.fe4 Ne7 35.Nc1 b4 36.ab4 Kb4 37.Na2 Kb3 38.Nc3 a5=+ 39.Nd5 Nc6 40.Nb6 a4–/+ 41.Na4 Ka4 42.Kc4 Ka5 43.Kc5 Ne5 44.Kd5 Nd3 45.e5 Kb5 46.e6= (46.e6 Nf4 47.Kd6=) 1–0. Fournier,Frederic – aldo3 (1640), Active, 2007.

8.b5 Na5

9.Qa4 c6 10.0-0 cb5 11.Qb5 a6 12.Qb4 Rb8 13.Nc3 Nc6 14.Qb3 Qc7 15.Nd5 Nd5 16.cd5 Na5 17.Qb4 b5 18.Rac1 Nc4 19.e4 Qa7 20.Rfd1 Nb2 21.Qb2 h6 22.h3 Bd7 23.e5 Rfc8 24.Bd3 Qb7 25.Be4 b4 26.Rb1 de5 27.de5 Rc4 28.Nd2 Rc5 29.Nb3 Rc3 30.f4 Rbc8 31.Rf1 Qa7 32.Kh1 Qe3 33.Nd2 Bb5 34.Rf3 Qe2 35.a4 Bd7 36.Rbf1 a5 37.R3f2 Qh5 38.Bf3 Qf5 39.Bg4 Qc2 40.Qc2 Rc2 41.Bd7 R8c7 42.Bb5 g5 43.Bd3 Ra2 44.d6 ed6 45.ed6 Rd7 46.Nc4 b3 47.Ra2 ba2 48.Ne5 Rd6 49.Bc4 gf4 50.Nf7 Rd2 51.Nd6 Kh7 52.Ne4 a1Q 53.Ra1 Rd4 54.Rc1 Kg6 55.Bb5 Re4 56.Bd3 Kf6 57.Be4 Ke5 58.Rc7 Bf8 59.Bf5 Bb4 60.Rf7 Kd4 61.Bg4 Ke3 62.Rf6 Bc3 63.Rh6 Kf2 64.Kh2 Bg7 65.Re6 Bd4 66.Re4 Be3 67.Bf3 Kf1 68.h4 Bg1 69.Kh3 Be3 70.h5 Bd2 71.h6 Bc3 72.h7 Bg7 73.Re8 1–0. NN – NN, 1994.

9.Nbd2 a6 10.a4 Nd7 11.h3 Bf3 12.Bf3 c5 13.0-0 Rc8 14.Qe2 cd4= 15.ed4 e5 16.de5 de5 17.Rac1 Nb6 18.Ba3+/- Re8 19.Bb4 Na4 20.Ba5 Qa5 21.Bb7 Rcd8 22.Nb1 ab5=+ 23.Bc6 Re7 24.cb5 f5?? 25.Rcd1 Rd1 26.Rd1 Nb6+= 27.Qd3 Bf6 28.Qb3 Kg7= 29.Na3 e4 30.Nc2 Na4 31.Qb4 Qb4= 32.Nb4 Nc3 33.Re1 Bd4 34.Nd5 Nd5 35.Bd5 Bb6 36.Bc6 Ra7 37.Bd5 Ra5 38.Rb1 Kf6 39.g3 Ke5 40.Bg8 h6 41.Kg2 g5 42.Rb2 f4 43.h4? f3–+ 44.Kh3 Bd4 45.Rc2 Rb5 46.Ra2 gh4–+ 47.Kh4 Bb6 48.Bh7 Ra5 49.Rb2 Bc5 50.Kg4 Ra7 51.Bg6 Ra6 52.Kh5 Rb6 53.Ra2–/+ ½–½. Jaksin,Oleg – Krainov,A (2140), Open, Vladimir RUS, 2004.

9.Nbd2 b6 10.h3 Bd7 11.0-0 Nh5 12.Nb3 Nb3 13.Qb3 c5 14.dc5 dc5 15.Ne5 Nf6 16.Bf3 Rb8 17.Nd7 Qd7 18.Rad1 Qc7 19.Rd3 Rfd8 20.Rfd1 Rd3 21.Qd3 h5 22.Bc6 Nh7? 23.Bg7+– Kg7 24.Qc3 Nf6 25.Rd7 Qc8 26.Re7 Qf5 27.e4 Qg5 28.Ra7 Rd8 29.Bd5 Rf8 30.Rb7 Kh6 31.Rb6 Nd7 32.Rb7 Ne5 33.a4 f5 34.Qe5 Qc1 35.Kh2 fe4 36.Qg7 (36.Qg7 Kg5 37.h4 Kh4 38.Qg6 Qh1 39.Kh1 Rf2 40.g3 Kh3 41.Be6 Rf5 42.Bf5) 1–0. Fournier,Frederic (2230) – AlvinMaker (1990), Active (5/0), 2002.

9.Nbd2 c5 10.0-0 b6 (10...a6 11.a4=) 11.Bc3 (11.dc5 bc5 12.Qc2 Re8+=) 11...Nb7= 12.h3 Bf3 (12...Bf5 13.Qa4=) 13.Bf3+= (worse is 13.gf3 a6+=) 13...Qc7 14.a4 (14.Ne4 cd4 15.ed4 a6 16.Nf6 Bf6+=) 14...a5 (14...cd4 15.ed4 d5 16.Rc1+=) 15.Bc6 (15.Ne4 Ne4 16.Be4 Rab8+=) 15...Rab8 (15...cd4 16.ed4 Rac8 17.Rc1+=) 16.d5 Nd8 (16...Nd7 17.Bg7 Kg7 18.Nf3+=) 17.Qf3+/- e5 18.Ne4 (18.Rad1 Nh5+=) 18...Ne4 19.Qe4 f5 20.Qh4 1–0. GuestSSMC – GuestFTKD, freechess.org, 2018.

9.Nbd2 c5 10.dc5 dc5 11.0-0 b6 12.Qc2 Nb7 13.h3 Bf5 14.Qb3 Nd6 15.Rac1 Nfe4 16.Bg7 Kg7 17.Rfd1 Qc7 18.Ne4 Be4 19.Ng5 Bb7 20.Bf3 Bf3 21.Nf3 a6 22.a4 Ra7 23.Qc3 f6 24.Ra1 Ne4 25.Qb2 a5 26.Rd3 Raa8 27.Rad1 Rfd8 28.Rd8 Rd8 29.Qc2 Rd1 30.Qd1 Qd6 31.Qc2 Qe6 32.Nd2? Nd2–/+ 33.Qd2 Qc4 34.Qd8 Qe4?? 35.Qb6+= Qa4 36.Qc5 Qa1?? 37.Kh2+– Qe1 38.Qe7 Kh6 39.Qf6 Qb4 40.b6 a4 41.Qc6 a3 42.b7 a2 43.Qc7 a1Q 44.b8Q Qb8 45.Qb8 Qf6 46.Qf4 Qg5 47.Qg5 Kg5 48.Kg3 h5 49.e4 h4 50.Kf3 Kf6 51.Kg4 Ke5 52.f3 Kd4 53.Kh4 1–0. Fournier,Frederic – Vinsot,Serge, Match Active, 1999.

9.Nbd2 c5 10.h3 Bd7=.

8.b5 Nb8

9.Nc3 a6 A) 10.Qb3 ab5 (10...Nbd7 11.h3 Bf3 12.Bf3 ab5 13.cb5 Ra7 14.0-0 e5 15.Qc2+=; 10...Qd7 11.h3 Bf3 12.Bf3 ab5 13.Bb7 Ra7 14.Bf3 bc4 15.Qc4+=; 10...Bf5 11.0-0 ab5 12.Qb5 b6 13.Qb3 Nc6 14.Rfd1 e6 15.a3=) 11.Qb5 Ra6 12.c5 dc5 13.dc5 Qc8 14.e4 Nc6 15.Nd5=; B) 10.a4 c5 (10...b6 11.h3 Bd7 12.0-0 c5 13.bc6 Nc6 14.e4 Rc8 15.Rb1+=; 10...ab5 11.ab5 Ra1 12.Qa1 Nbd7 13.Qa7 Qc8 14.0-0 e5 15.de5+=; 10...Nbd7 11.h3 Be6 12.0-0 ab5 13.ab5 Ra1 14.Qa1 Nb6 15.Qa2+=) 11.bc6 Nc6 12.0-0 Rc8 13.Rb1 Bf3 14.Bf3 Na5 15.Qd3=; C) 10.h3 Bf5 (10...Bf3 11.Bf3 ab5 12.cb5 d5 13.0-0 Qd6 14.a4 Rc8 15.a5+=) 11.g4 Bc8 12.g5 Nfd7 13.a4 ab5 14.ab5 Ra1 15.Qa1+=.

9.Nc3 c5 A) 10.0-0 a6 (10...Nbd7 11.h3 cd4 12.ed4 Bf3 13.Bf3 Qc7 14.Qd3 Nb6 15.c5=; 10...Qc7 11.dc5 dc5 12.Qb3 Nbd7 13.Rad1 Rad8 14.Nd5 Nd5 15.Bg7+=; 10...cd4 11.ed4 d5 12.c5 Nbd7 13.Re1 e6 14.Qd3 Qc7 15.Qe3+=) 11.dc5 dc5 12.Qa4 Nbd7 13.Rfd1 Qb6 14.Rd2 Bf3 15.Bf3=; B) 10.dc5 dc5 11.0-0 Nbd7 12.Qb3 Qb6 13.Nd5 Nd5 14.Bg7 Nf4 15.ef4=; C) 10.h3 Bf5 (10...cd4 11.ed4 Bd7 12.0-0 a6 13.a4 ab5 14.ab5 Ra1 15.Qa1+=; 10...Be6 11.0-0 a6 12.a4 b6 13.dc5 dc5 14.Qb3 Bf5 15.Rfd1+=; 10...Bd7 11.0-0 a6 12.dc5 dc5 13.Qa4 Qb6 14.Qa3 Rc8 15.Rfd1+=) 11.0-0 a6 12.dc5 dc5 13.Qb3 ab5 14.cb5 Nbd7 15.Rfd1+=.

9.Nc3 Nbd7 10.0-0 (10.h3 Be6 11.Ng5 a6 12.e4 h6 13.Ne6 fe6 14.ba6 ba6 15.Rb1+=; 10.a4 c5 (10...e5 11.0-0 ed4 12.ed4 Re8 13.Re1 c5 14.dc5 dc5 15.Qb3=; 10...Re8 11.h3 Bf3 12.Bf3 e5 13.0-0 e4 14.Be2 a6 15.a5+=; 10...Rc8 11.h3 Be6 12.0-0 d5 13.Ng5 c5 14.cd5 Bd5 15.e4=) 11.bc6 bc6 12.0-0 Rb8 13.Rb1 Qa5 14.Qc2 Nb6 15.Ba1=) 10...a6 (10...e5 11.de5 de5 12.Qc2 Qe7 13.Nd5 Nd5 14.cd5 e4 15.Bg7+=; 10...Nb6 11.Qd3 a6 12.a4 d5 13.cd5 Nbd5 14.Nd5 Qd5 15.Qc2+=; 10...c5 11.h3 cd4 12.ed4 Bf3 13.Bf3 Qc7 14.Qd3 Nb6 15.c5=) 11.a4 (11.h3 Be6 12.d5 Bf5 13.g4 Ng4 14.hg4 Bg4 15.Kg2+/-) 11...ab5 (11...e5 12.de5 de5 13.e4 Nc5 14.Ba3 Nfd7 15.Qc2+=) 12.cb5 (12.ab5 Ra1 13.Qa1 c5 14.Qa7 cd4 15.ed4=) 12...b6 (12...Ra5 13.e4= (13.Rc1 Nb6 14.Ba3 Nbd5 15.Nd5=) 13...Nb6 14.Nd2 Be2 15.Qe2+=) 13.Nd2 (13.Rc1 d5 14.h3 Be6 15.Ba3+/-) 13...Be2 14.Qe2 e5 (14...d5 15.Qf3+=) 15.Qc4 (15.d5+=) 15...ed4 16.ed4 Re8 17.Rfe1 Ra7 18.Nf3 Re7 19.Kf1 d5 (19...Re1!? 20.Re1 Nf8+=) 20.Nd5+/- Nd5 21.Qd5 Re1 22.Ne1 Qe7 23.Nd3 Nf6 24.Qe5 Qd7 25.Nb4 Ng4 26.Qd5 (26.Qg3 Ra4 27.Ra4 Qb5 28.Nd3 Nh2 29.Kg1 Qa4 30.Kh2 Qd1+/-) 26...Qe7 27.Nc6 Ne3?? (better is 27...Qf6 28.Qd8 Qd8 29.Nd8 Nh2 30.Ke2 Ra8+=) 28.fe3+– Qe3 (28...Qf6 29.Kg1 Ra8+–) 29.Qd8 Bf8 30.Na7 (30.Ba3 Qf4 31.Kg1 Qh6 32.Na7 Qe3 33.Kh1 Qh6+–) 30...Qd3 (30...Qf4 31.Kg1 Qd6 32.Qd6 Bd6 33.Nc8+–) 31.Kg1 h5 (31...Qe3 32.Kh1 Qe7 33.Qb8+–) 32.Ba3 c5 33.Rf1 (better is 33.bc6 Kh7 34.Bf8+–) 33...Qa3 34.Qe8 cd4 (34...Qb3 35.dc5 Qe6 36.Re1+–) 35.Qf7 Kh8 36.Qf8 Qf8 37.Rf8 Kg7 38.Rd8 h4 39.Rd4 g5 40.Rd6 g4 41.Rb6 g3 42.h3 1–0. pzn2pawn (1825) – johanpn (1635), redhotpawn.com, 2015.

9.Nc3 Re8 A) 10.0-0 c5 (10...a6 11.a4 c5 12.dc5 dc5 13.a5 Nbd7 14.b6 Qb8 15.Qc2+=; 10...Bf5 11.Bd3 Bd3 12.Qd3 c5 13.d5 a6 14.e4 ab5 15.cb5+=; 10...Qc8 11.h3 Bf5 12.Nh4 Bd7 13.Qd3 c5 14.Nf3 a6 15.Rfd1+=) 11.dc5 dc5 12.Qa4 Qb6 13.Rfd1 Nbd7 14.Rd2 a6 15.Rad1=; B) 10.Qd3 a6 (10...c5 11.0-0 cd4 12.ed4 Bf5 13.Qe3 Qc7 14.Rae1 e5 15.de5+=) 11.h3 Bf3 12.Bf3 ab5 13.Bb7 Ra7 14.Bf3 b4 15.Ne2=; C) 10.h3 Bf5 (10...Bd7 11.0-0 a6 12.Qa4 Bf5 13.Nh4 Bc8 14.Rfd1 Nbd7 15.c5+=; 10...Be6 11.0-0 Bf5 12.a4 c5 13.a5 a6 14.dc5 dc5 15.Qb3+=; 10...Bc8 11.0-0 Bf5 12.a4 c5 13.a5 a6 14.dc5 dc5 15.Qb3+=) 11.0-0 a6 12.a4 c5 13.Bd3 cd4 14.ed4 Bd3 15.Qd3+=.

9.Nc3 Bf5 A) 10.0-0 a6 (10...c5 11.Bd3 cd4 12.ed4 Bd3 13.Qd3 d5 14.c5 Qc7 15.Rfe1+=; 10...Qd7 11.Nh4 Be6 12.d5 Bg4 13.f3 Bh5 14.g4 g5 15.Nf5+/-; 10...c6 11.a4 c5 12.a5 a6 13.dc5 dc5 14.Qb3 ab5 15.Qb5+=) 11.Nh4 Bd7 12.Qa4 Re8 13.Nf3 Bf5 14.c5 dc5 15.dc5=; B) 10.a4 a6 (10...c5 11.a5 a6 12.b6 Nc6 13.0-0 cd4 14.Nd4 Nd4 15.ed4+=; 10...Qd7 11.0-0 a6 12.Nh4 Be6 13.d5 Bg4 14.f3 Bh5 15.g4+/-; 10...Qc8 11.0-0 c5 12.a5 Re8 13.Bd3 cd4 14.ed4 a6 15.b6+=) 11.0-0 c5 12.Bd3 Qc8 13.a5 ab5 14.cb5 Bd3 15.Qd3=; C) 10.Nh4 Bd7 (10...Bc8 11.0-0 Nbd7 12.Nf3 Re8 13.a4 e5 14.a5 ed4 15.Nd4+=; 10...Be6 11.0-0 a6 12.a4 d5 13.cd5 Nd5 14.Qc2 c6 15.Rfc1+=) 11.0-0 a6 12.Qa4 Re8 13.c5 dc5 14.dc5 e5 15.e4+=.

9.Nbd2 Nbd7 10.a4 Re8 11.h3 Bf3 12.Bf3 (worse 12.gf3 c5=) 12...Qc8 13.0-0 e5 14.Nb3 White prepares the advance d5 14...ed4 15.ed4 Ne4 16.Qd3 f5 17.Rfe1 Ndf6 18.d5 b6 19.Nd4 Nc5 20.Qc2 Nfe4 21.Rad1 a5 22.Ba1 Qd7 23.Be4 Re4 24.f3 (24.Re4 fe4 25.Nb3 Nb3 26.Qb3 Ba1 27.Ra1 Qg7=) 24...Re1= 25.Re1 Re8 26.Kf1? (better 26.Qd1=) 26...Re1-+ 27.Ke1 Qe7 28.Kf2? (better 28.Kf1 Qe3 29.Nf5 gf5 30.Bg7 Kg7 31.Qf5-+) 28...Qh4 29.Ke3 (29.g3 Bd4 30.Kg2-+) 29...Qe1 30.Ne2 Qa1 0-1. Gehaktbalmetjus (2155) - umutcrazy (2375), Rated Rapid game, lichess.org, 2019.

7.Be2 d5

8.Nbd2 c6 9.h3 Be6 10.c5 b6 11.0-0 a5 12.a3 Bc8 13.cb6 ab4 14.ab4 Na6 15.Ba3 Rb8 16.Ne5 Rb6 17.Nc6 Rc6 18.b5 Re6 19.ba6 Ba6 20.Be7 Qe7 21.Ba6 Ne4 22.Ne4 de4 0–1. Zschoch,Eberhard – Lehmann,Harald, DESC corr, 2001. (=1.c4 Nf6 2.b4 g6 3.Nf3 Bg7 4.Bb2 d6 5.e3 0-0 6.d4 Bg4)

8.h3 Bf5 9.Nbd2 c6 10.0-0 Re8 11.Qb3 Ne4 12.Rfd1 h6 13.Rac1 g5 14.Ne5 Nd7 15.cd5 Ne5 16.de5 cd5 (better is 16...Qd5!? 17.Qd5 cd5 18.Ne4 de4+=) 17.Ne4+– Be4 18.f3 Bf5 19.e4 Bg6 20.ed5 a5 21.ba5 Ra5 22.a4 Qb8 23.Bb5 Rd8 24.Qb4 Ra8? (better is 24...b6 25.f4 Ra7+–) 25.Qe7 Qa7 (25...Ra7 26.Qc7+–) 26.Bd4 Qa5 27.d6 Bf5 28.Qb7 Qb4 29.Qd5 Be6 30.Qc5 (30.Qe4 Qa5+–) 30...Qb3 (30...Qc5 31.Rc5 Bb3 32.Rd2 Ba4 33.Bc4+–) 31.Qc3 Qa2 32.Qb2 (better is 32.Ra1 Qb3+–) 32...Qd5 (32...Qb2 33.Bb2 Bb3+–) 33.Bc6 (33.Bc6 Qa5 34.Rc5+–) 1–0. Mrozinski,Werner (1965) – Hardt,Helmut (1765), Dortmund–ch, 2004. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4)

7.Be2 Nbd7

8.0-0 Nb6 9.Nbd2 a5 10.b5 c6 11.bc6 bc6 12.Qc2 (12.e4 c5+=) 12...Rc8 (12...Bf5 13.Bd3 Bd3 14.Qd3+=) 13.Rab1. pcmvr (2225) – alexp (2310), net–chess.com, 2006.

8.a3 Nb6 9.Nbd2 Qd7 10.h3 Bf3 11.Nf3 Na4 12.Rb1 Nb2 13.Rb2 Rfd8 14.Qb3 Rab8 15.b5 e5+=.

8.a3 c5 9.0-0 Qb6 10.Qd2 Rfd8 11.Rd1 a5 12.h3 Bf5 13.bc5 dc5 14.Nc3 Rac8 15.Qc1 cd4=.

8.a3 c5 9.Nbd2 cd4 10.Bd4 Qc7 11.0-0 Rfc8 12.e4 a5 13.Re1 Bh6 14.Rc1 Bf3 15.Bf3 Ne5=.

8.a3 d5 9.0-0 dc4 10.Bc4 Nb6 11.Bd3 Nbd5 12.h3 Bf5 13.Bf5 gf5 14.Ne5 Ne4 15.Nd2 Qc8+=.

8.a3 d5 9.Nbd2 c6 10.0-0 a5 11.h3 Bf5 12.g4 Be6 13.Ng5 ab4 14.Ne6 fe6 15.ab4 Ra1+=.

8.a3 d5 9.cd5 Nb6 10.Nc3 Nbd5 11.0-0 Qd6 12.Nd5 Nd5 13.Ne5 Be2 14.Qe2 f6 15.Nd3 f5=.

8.a4 a5 9.b5 b6 (9...c5 10.0-0=) 10.Nbd2 Rc8 (10...e5 11.de5 Ne8 12.0-0+=) 11.h3+– Bf5 12.g4 Be4 13.g5 Bf3 14.Bf3 Ne8 15.Qb3 e5 16.h4 ed4 17.ed4 Qe7 18.Kf1 Qe6 (18...Qd8 19.Bc6 Rb8 20.Kg2+–) 19.Kg2 (better 19.Re1 Qf5 20.Re4+–) 19...Kh8? (better 19...Qf5+–) 20.Rae1+– Qf5 21.Qd1 Rd8 (21...Nef6+–) 22.Bg4 Qd3 (22...Qf4 23.Re4 Qe4 24.Ne4+–) 23.Re3 Qe3 24.fe3 f5 25.h5 (25.Bf3 f4 26.ef4 Rf4+–) 25...fg4 26.hg6 Kg8 27.Rh7 Rf3 (27...Ne5 28.de5 de5+–) 28.Nf3 gf3 (28...Nf8 29.Rh1 Rd7+–) 29.Qf3 (29.Qf3 Ne5 30.de5 Rd7 31.ed6 cd6 32.Bg7 Rg7 33.Rg7 Ng7 34.Qf7 Kh8 35.Qf8) 1–0. Alice1 – Lphvu98, internet, 2019.

8.Qb3 a5 9.ba5 Qc8 10.h3 Bf5 11.Nbd2 Ne4 12.g4 Nd2 13.Nd2 Be6 14.Bc3 Ra7 15.Rb1 Qa8+=.

8.Qb3 a5 9.h3 Bf3 10.Bf3 ab4 11.Qb4 c5 12.Qb5 Qc7 13.0-0 Ra7 14.Re1 e5 15.Nd2 Re8=.

8.Qb3 c5 9.0-0 cd4 10.ed4 d5 11.c5 e6 12.Qe3 Ne4 13.Nc3 Ndf6 14.h3 Nc3 15.Bc3 Bf3=.

8.Qb3 c5 9.Nc3 cd4 10.ed4 d5 11.c5 e6 12.0-0 Ne4 13.Qd1 Nc3 14.Bc3 Nf6 15.Ne5 Be2=.

8.Qb3 c5 9.bc5 dc5 10.0-0 b6 11.Nc3 Rc8 12.h3 Bf5 13.Rad1 Ne4 14.Ne4 Be4 15.Ng5 Bc6+=.

8.Qb3 c5 9.h3 Bf5 10.Nbd2 cb4 11.g4 Be6 12.Qb4 Nb6 13.a4 a5 14.Qb3 Qc7 15.d5 Bd7+=.

8.Qb3 e5 9.h3 Bf3 10.Bf3 e4 11.Be2 d5 12.Nd2 dc4 13.Qc4 Nb6 14.Qc2 Qe7 15.a3 Nbd5=.

8.Qb3 Re8 9.0-0 e5 10.h3 Bf5 11.Nbd2 c6 12.a4 e4 13.Ne1 d5 14.b5 Rc8 15.Rc1 Be6=.

8.Qb3 Re8 9.Nc3 e5 10.de5 de5 11.e4 a5 12.Rd1 ab4 13.Qb4 Re6 14.Qb3 Qe7 15.a3 Rb6=.

8.Qb3 Re8 9.Nbd2 c5 10.bc5 dc5 11.h3 Bf3 12.Nf3 cd4 13.ed4 Nh5 14.0-0 Nf4 15.Rfe1 Ne2=.

8.Qb3 Re8 9.h3 Bf5 10.g4 Bb1 11.Rb1 e5 12.de5 Ne5 13.Ne5 de5 14.h4 Qd7 15.g5 Qc6=.

8.b5 a6 9.0-0 c5 10.bc6 bc6 11.Nc3 Rb8 12.Rb1 c5 13.h3 Bf5 14.Bd3 cd4 15.ed4 Bd3=.

8.b5 a6 9.a4 d5 10.h3 Bf5 11.ba6 ba6 12.Nc3 Rb8 13.Qc1 dc4 14.Bc4 a5 15.0-0 Nb6=.

8.b5 a6 9.Nbd2 ab5 10.cb5 Re8 11.0-0 e5 12.de5 Ne5 13.Ne5 de5 14.Bg4 Ng4 15.Qc2 Qd7=.

8.b5 c5 9.0-0 b6 10.Nc3 Qe8 (10...cd4 11.Nd4 Be2 12.Qe2+= (worse is 12.Nce2 Ne5+=; worse is 12.Nde2 Qc7+=)) 11.h3+/- Bf3 12.Bf3 (12.gf3?! cd4 13.ed4 e5+=) 12...Rc8 13.Bc6 e5 (13...Qd8 14.Qd3+=) 14.dc5 bc5? (better is 14...dc5!? 15.Nd5 Nd5 16.Qd5 Rc7+/-) 15.Qd6+– Qe6 16.Qe6 fe6 17.Ne4 Ne4 18.Bd7 Rcd8 19.Be6 Kh8 20.Bd5 Nd6 21.Rfd1 (21.Ba3 Rc8+–) 21...e4 22.Ba3 (22.Bg7 Kg7 23.a4 Rb8+–) 22...Ba1 (22...Nb5 23.Bc5 (23.cb5?! Ba1 24.f3 ef3 25.Bc5 Rf7+/-) 23...Rfe8 24.Rac1+–) 23.Ra1 Rc8 (23...Kg7 24.Bc5 Nb5+–) 24.Bb2 Rf6 25.Bf6 1–0. GuestYTNF – MacTerra, freechess.org, 2018.

8.b5 c5 9.0-0 cd4 10.ed4 d5 11.c5 Ne4 12.Qc2 Rc8 13.h3 Bf3 14.Bf3 e5 15.Be4 de4=.

8.b5 c5 9.h3 Bf5 10.Nc3 e5 11.g4 ed4 12.gf5 dc3 13.Bc3 Ne4 14.Bg7 Kg7 15.fg6 fg6=.

8.b5 c6 9.0-0 cb5 10.cb5 Rc8 11.Nc3 Nb6 12.Rc1 d5 13.Ne5 Be2 14.Qe2 Qd6 15.a4 Nbd7=.

8.b5 c6 9.a4 cb5 10.ab5 a6 11.0-0 ab5 12.cb5 Ra1 13.Ba1 Qb6 14.Nc3 Ra8 15.Qb3 Qa5 16.Bb2 Qc7? (16...Be6 17.Bc4 Bc4 18.Qc4=) 17.h3 (better is 17.Ng5!? d5 18.Nd5 Nd5 19.Bg4+– (worse is 19.Qd5 e6 20.Qc4 Qc4 21.Bc4 Nb6+/-)) 17...Be6= 18.d5 (18.Qc2 Bf5 19.Qd2 Qb6+=) 18...Bf5 (18...Nd5 19.Nd5 Bd5 20.Qd5 Bb2–/+) 19.b6?? (better is 19.Nd4=) 19...Qb6–+ (19...Nb6?! 20.Nd4+=) 20.Qb6 Nb6 21.Nd4 Bd7 22.Ncb5? Nfd5 23.Ra1 Ra1 24.Ba1 Bb5 25.Nb5?? Ba1 26.Na3 Nc3 27.Nc2 Ne2 (27...Ne2 28.Kf1 Ng3 29.fg3 Be5–+) 0–1. renatus62 – fagus54, kurnik, 2012.

8.b5 c6 9.a4 d5 10.cd5 cd5 11.0-0 Nb6 12.Nbd2 Rc8 13.Rc1 Rc1 14.Bc1 Ne4 15.Ne4 de4=.

8.b5 c6 9.Nc3 Nb6 10.Qb3 d5 11.c5 Bf3 12.Bf3 Nc4 13.Be2 Nb2 14.Qb2 e5 15.0-0 Nd7=.

8.b5 e5 9.0-0 Bf3 (9...ed4 10.Nd4 Be2 11.Qe2=) 10.Bf3+= Rb8 (10...e4 11.Be2+=) 11.Qc2 Ne8 (11...Re8 12.Nd2+=) 12.Nd2+– f5 13.Bd5 Kh8 14.a4 Nb6 15.Be6 (15.Bf3 Nd7+–) 15...Qe7 16.d5 e4 17.f3 Bb2 (17...ef3 18.Nf3 Bb2 19.Qb2 Qg7 20.Qe2+=) 18.Qb2+– Qg7 (18...Qf6 19.Qc2 ef3 20.Nf3+–) 19.Qg7 Ng7 20.fe4 Ne6 21.de6 fe4? (better 21...Rbe8!? 22.ef5 gf5+–) 22.a5+– Rf1 (22...Na8 23.Ne4 Kg7 24.a6 ba6 25.Ra6 (25.ba6?! Rf1 26.Rf1 Rf8+–) 25...Rf1 26.Kf1+–) 23.Kf1 (23.Rf1 Na4 24.Ne4 Re8+–) 23...Nc8 (23...Na8!?+–) 24.Ke2 Ne7 25.Ne4 Re8 (25...Kg7 26.Rd1 Rc8 27.g4+–) 26.b6! ab6 (26...ab6 27.ab6 Combination; 26...cb6 27.Nd6 Deflection) 27.ab6 cb6 28.Nd6 Rd8?? (28...Rf8+–) 29.Nf7 (29.Nf7 Kg7 30.Nd8+–) 1–0. DEFFM – GuestRHLQ, freechess.org, 2019.

8.Nc3 a5 9.a3 Nb6 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 Qd7 13.0-0 c6 14.e4 Ra8 15.Bb2 Nh5+=.

8.Nc3 a5 9.ba5 e5 10.Qb3 Qb8 11.h3 Be6 12.0-0 Ra5 13.d5 Bf5 14.g4 Ng4 15.e4 Ne3 +/-.

8.Nc3 a5 9.b5 Nb6 10.Na4 c5 11.dc5 Na4 12.Qa4 Bf3 13.Bf3 Nd7 14.Bg7 Nc5 15.Qd1 Kg7=.

8.Nc3 Nb6 9.Qb3 a5 10.ba5 Ra5 11.Qb4 Qa8 12.0-0 Na4 13.Na4 Ra4 14.Qb3 c5 15.dc5 dc5=.

8.Nc3 e5 9.d5 e4 10.Nd2 Be2 11.Qe2 Ne5 12.Nce4 Ne4 13.Ne4 Nf3 14.gf3 Bb2 15.Qb2 f5 16.Nd2 Qe7 17.f4 Rae8 18.0-0-0 Qh4 19.Nf3 Qe7 20.Rhg1 c6 21.Nd4 cd5 22.cd5 Rc8 23.Kb1 Qe4 24.Ka1 Rc4 25.a3 Qd5 26.Rg5 Qe4 27.Qb3 Rfc8 28.Nf5 d5 29.Qb2 Rc3 30.Nd6 Qe6 31.Nc8 Qc8 32.Rgd5 Rc2 33.Rd8 1–0. varin123 – ocsyfrantzia, kurnik, 2012.

8.Nbd2 a5 9.b5 c5 (9...c6 10.h3 Be6 11.Ng5+=) 10.0-0 Re8 (10...cd4 11.ed4 Nb6 12.Bd3+=) 11.h3+= Bf3 12.Bf3 (< 12.gf3 cd4 13.Bd4 Nc5=+) 12...Rb8 (12...Qc7 13.Re1+=) 13.a4 e5 14.de5 (14.Qc2 ed4 15.ed4 cd4 16.Bd4 Nc5+=) 14...Ne5 15.Qc2 b6 (15...Nf3 16.Nf3 Ne4 17.Rad1=) 16.Rfd1 (16.Be5 de5 17.Bc6 Rf8+=) 16...Qe7 (16...Nf3 17.Nf3 Ne4 18.Bg7 Kg7 19.Nd2=) 17.Be2 (17.Be5 de5 18.Ne4 Ne4 19.Be4 Red8=) 17...Rbd8 (17...d5 18.Nf3 Nc4 19.Bc4 dc4 20.Ne5=) 18.Nf3 Nf3 19.Bf3 (< 19.gf3 d5=+) 19...Ne4 20.Bg7 Kg7 21.Rd3 f5 22.Rad1 Qf6 23.Be4 Re4 24.Rd5 Re6 25.Qe2 Qg5 26.Qf3 Qf6 27.Qg3 Kf7 28.Qf3 Re4 29.Qe2 Re6 30.f3 Qg5 31.e4 Qf6 32.Qd3 Qe7 33.ef5+/- Rf6 34.fg6 hg6+/- 35.Kf2 Re6 36.g3 Qf6 37.h4+/- Kg7 38.Rg5 Qb2? 39.Rd2+– Qa1? 40.Re2 Re2 41.Qe2 Qd4? 42.Kg2 Qf6 43.Qe3 Qb2 44.Kh3 Qf6 45.h5?? Rh8+/- 46.g4 Rh7?? 47.Kg3+– Rh6 48.Qe4 Kf7 49.Qd5 Kg7 50.Rg6 Rg6 51.hg6 Qe5 52.Qe5 de5 53.f4 ef4 54.Kf4 Kg6 55.Ke5 Kg5 56.Kd6 Kg4 57.Kc6 1–0. Reimer,Karl – Meissner,Erhard, Mehlingen PSB–ch HT2, 1999.

8.Nc3 c5 9.Qb3 cd4 10.ed4 d5 11.c5 e6 12.0-0 Ne4 13.Qd1 Nc3 14.Bc3 Nf6 15.Ne5 Be2=.

8.Nc3 c5 9.bc5 dc5 10.0-0 cd4 11.ed4 Rc8 12.Qb3 Nb6 13.c5 Be6 14.Qa3 Nc4 15.Bc4 Bc4=.

8.Nbd2 c6 9.0-0 Qc7 10.a4 Rac8 11.Rc1 e5 12.d5 c5 13.b5 b6 14.e4 Nh5 15.h3 Bf3 16.Bf3 (worse is 16.gf3 Qd8 17.Re1 Qg5 18.Kh2 Qh4–/+) 16...Nf4 17.Bg4 Nd3 18.Rc2 Nb2 19.Rb2 Qd8 20.Ra2 f5 21.Be2 fe4 22.Ne4 Nf6 23.Nf6 Qf6 24.a5 Ra8 25.Qc2 Qf5 26.Qf5 gf5 27.Rfa1 Rab8 28.ab6 ab6 29.Ra7 Rf7 30.Rf7 Kf7 31.Ra7 Kg6 32.Rd7 Bf8 33.h4 h6 34.Ra7 e4 35.g4 f4 36.Kg2 Bg7 37.Rd7 f3–+ 38.Kf1 fe2 39.Ke2 Be5 40.Ke3 Rf8 41.Rb7 Rf3 42.Ke2 Rc3 43.Rb6 Rc4 44.Rb8 Rb4 45.b6 c4 46.b7 Bg7 47.Ke3 c3 48.h5? Kg5 49.f4 ef3 50.Kf3 c2 51.Rc8 Rb7 52.Rc2 Rb3 53.Kg2 Kg4 54.Rc7 Be5 55.Rh7 Kh5 56.Rf7 Rd3 57.Rf5 Kg4 (57...Kg4 58.Rf8 h5–+) 0–1. ourang – tofifi19, kurnik, 2012.

8.Nbd2 c6 9.0-0 Qc7 10.h3 Bf3 11.Nf3 e5 12.a4 Rad8 13.b5 c5 14.a5 b6 15.a6 h6 16.Rc1 cd4 17.ed4 e4 18.Nd2 Rfe8 19.c5 dc5 20.dc5 Nc5 21.Nb3 Rd1 22.Rfd1 Rd8 23.Re1 Nd5 24.Nd4 Nf4 0–1. brother – fagus54, kurnik, 2012.

8.Nbd2 c6 9.h3 Bf3 10.Nf3 Ne4 11.0-0 Ndf6 12.d5 c5 13.bc5 Nc5 14.Bd4 Nce4 15.Rb1 b6 16.Bd3 Rc8 17.Nd2 e5 18.Ba1 Nd2 19.Qd2 e4 20.Be2 Rc7 21.Bd4 Bh6 22.Qc2 Qe7 23.Qa4 Nd7= 24.Rfc1 f5 25.Qb5 f4 26.a4 f3 27.Bf1 fg2 28.Bg2 Qf7 29.Rc2= Nc5 30.a5 Nd3 31.Rf1 Ne5?? 32.ab6+– ab6 33.Be5 de5 34.Qb6 Rb7 (35.Qe6 Qe6 36.de6 Rd8+–; 34...Rfc8 35.Rfc1+–). tromar (1650) – NN, GameColony.com, 2002.

8.Nbd2 Rc8 9.0-0 Bf3 10.Nf3 c6 11.a3 Re8 12.Qd2 b6 13.Rac1 c5 14.dc5 bc5 15.b5 Ne4 16.Qc2 Bb2 17.Qb2 Nef6 18.Rfd1 Qb6 19.a4 a6 20.Ra1 ab5 21.ab5 Ra8+= 22.Ra3 Ra3 23.Qa3 Qb7 24.Ra1 Ne4 25.Qa7 Rb8 26.Qb7 Rb7 27.Ra8 Kg7 28.Ne1 Nd2 29.Nc2?? Nb6–/+ 30.Ra1 Ndc4 31.Na3 Na3 32.Ra3 Nd5 33.Rb3 Nc7 34.f3 d5 35.Kf2? c4–+ 36.Rb1 Rb5 (36...Rb5 37.Rb5 Nb5–+) 0–1. Fournier,Frederic (1825) – PepePG (1905), Active (5/0), 2005.

8.Nbd2 e5 9.de5 de5 10.Ne5 (< 10.Be5 Bf3 11.Nf3 Ne5 12.Ne5 Qe7=) 10...Be2 11.Qe2 Ne5 12.Be5 c6 13.Bb2 Qb6 14.a3 a5 15.0-0 ab4 16.ab4 Ra1 17.Ra1 Qb4 18.Rb1 Qc5 (18...Qe7 19.Qf3=) 19.Bd4 (19.Bf6!? Bf6 20.Ne4+/-) 19...Qe7+= 20.c5 Rd8 21.Qc4 Nd5 22.Nf3 Bd4 23.Nd4 (23.ed4 Qc7 24.Ne5+=) 23...Qe4?? (better is 23...Ne3 24.Qd3 Nd5–/+) 24.Rb7+/- Ra8 25.h3 Ra1= 26.Kh2 Qe5 27.g3?? Qe4–+ 28.Qb3?? Qh1 0–1. Fournier,Frederic – hernandez15 (1790), Active, 2008.

8.Nbd2 e6 9.h3 Bf3 10.Bf3+= d5 11.g4 Qe7 12.a3 e5? 13.cd5 e4+= 14.Bg2 g5 15.Qc2+/- Rfe8 16.Qc7 b6 17.Rc1 Nd5+/- 18.Qc6 N7f6 19.Ne4 Ne4 20.Qd5 Nf2 21.0-0 Nd3 22.Rc2 Qe3 23.Kh1 Nf4 24.Qf5 Ng2 25.Rg2 Rf8 26.Bc1 Qd4 27.Qg5 Qd3= 28.Kg1 Rad8 29.Bb2 Qg6 30.Qe7 Bb2 31.Rb2 Qg7 32.Rbf2+= Ra8 33.Rf6+/- h6 34.R1f5 a5 35.b5 Rae8 36.Qd6 Re6 37.Re6+– fe6 38.Rf8 Qf8 39.Qf8?? Kf8= 40.Kf2 Kf7 41.Kf3 Kf6 42.Kf4 e5 43.Kf3 Ke6=+ 44.Ke4 (44...Kd6 45.a4=+). Nemec,Zdenek – Sojka,Pavel, CSR Z–77, 1987.

8.Nbd2 Qe8 9.h3 Bf3 10.Nf3 e5 11.0-0 Qe7 12.Re1 Ne8 13.Qb3 Kh8 14.a4 f5 15.a5 c6 16.b5 e4 17.Nd2 c5 18.Bf1 Nef6 19.Qc2 Rfe8 20.Nb3 b6 21.ab6 ab6 22.Bc3 Qf8 23.Qb2 Ra1 24.Ra1 Ra8 25.Ra2 Ra2 26.Qa2 Qb8 27.Qa1 Kg8 28.g3 Kf7 29.Bg2 Qb7 30.Nd2 Bh6 31.Qa6 Qb8 32.Kf1 Ne8 33.Ke2 Nc7 34.Qa2 Qa8 35.Qa8 Na8 36.f3 ef3 37.Bf3 Nc7 38.Bc6 Nf6 39.dc5 dc5 40.Bf6 Kf6 41.Nb1 Bf8 42.Nc3 Bd6 43.Kf3 g5 44.Na4 h5 45.Nb6 g4 46.hg4 hg4 47.Kf2 Ne6 48.Bd5 Nc7 49.Kg2 Nd5 50.Nd5 Ke5 51.Nc3 Ke6 52.Kf2 Ke5 53.Ne2 Ke4 54.Nf4 Bc7 55.Ke2 Ke5 56.Kd3 Bb6 57.Nd5 Ba7 58.b6 Bb8 59.Nc7 Kf6 60.e4 Ke5 61.ef5 Kf5 62.Ke3 Kf6 63.Kf4 Ke7 64.Kg4 Kd7 65.Kf5 Bc7 66.bc7 Kc7 67.Ke6 Kb6 68.Kd6 Ka5 69.Kc5 Ka4 70.g4 Kb3 71.g5 Kc3 72.g6 Kd3 73.Kd5 Ke3 74.g7 Kd3 75.g8Q Ke3 76.Qg4 Kd3 77.Qf3 Kd2 78.c5 Kc2 79.Qe3 Kb2 80.Qd3 Kc1 81.Qe2 Kb1 82.Qd2 Ka1 83.Kc4 Kb1 84.Kb3 Ka1 85.Qe1 1–0. Sebald – Krueger, Hiddenhausen 1996.

8.Nbd2 Re8 9.0-0 e5 10.d5 (10.de5 Ne5 11.Ne5 de5 12.Bg4 Ng4+=) 10...c6 (10...a5 11.a3=) 11.e4+= cd5 12.cd5 a6 (12...a5 13.a3+=) 13.Rc1 (better is 13.h3 Bf3 14.Bf3+= (< 14.gf3 Nh5 15.Kh2 Qh4–/+)) 13...Qb6? (13...a5 14.b5+=) 14.a3 (14.Nc4 Qc7 (14...Qb4? 15.Ba3 Qb5 16.Rb1+–) 15.Nce5 Qb6+–) 14...Rac8 15.h3 Bf3+= 16.Bf3 a5 17.Qb3 ab4+/- 18.ab4 Rc1 19.Rc1+/- Bh6 20.Nc4 Qd8 21.Rc2 b5? 22.Nd6+– Re7 23.Rc8 Qc8 24.Nc8 (24.Nc8 Re8 25.Nd6+–) 1–0. alaamattar (2100) – nickbarletta (2000), net–chess.com, 2005.

8.Nbd2 Re8 9.0-0 e5 10.h3 Bf3 11.Bf3 (worse is 11.gf3 ed4 12.Bd4 c5+=) 11...e4 12.Be2 c6 13.Qb3 d5 14.a4 White prepares b5 14...h5 (14...Qe7 15.a5+=) 15.a5 a6 16.Rfc1 Nf8 17.b5 Qd7 (17...ab5 18.cb5 Ra5 19.bc6 Ra1 20.Ba1 bc6 21.Rc6+=) 18.b6 Rac8 19.cd5 cd5 20.Ba3 Ne6 21.Ra2 Rc1 22.Bc1 Nd8 23.Rc2 Nc6 24.Qc3 Rc8 25.Ba3 g5 26.Nb3 Bf8 27.Bf8 Kf8 28.Nc5 Qe7 29.Na6! Ra8 (29...ba6 30.Ba6 Combination) 30.Qc5 (30.Bb5!? Na7 31.ba7 ba6 32.Qc8 Rc8 33.Rc8 Kg7+–) 30...g4 31.hg4 hg4 32.Qe7 (32.Qb5 Qd6 33.Rc6 bc6 34.b7+–) 32...Ke7?? (32...Ne7 33.g3 ba6+–) 33.Rc6!+– ba6 (33...bc6 34.b7 Passed pawn) 34.Rc7 Ke6 35.b7 Rb8 36.Ba6 Ne8 (36...Kd6 37.Rf7 Ke6+–) 37.Rc8 Rb7 38.Bb7 Nd6 39.Rc6 Kd7 40.Rd6! Kd6 41.a6 (41.a6 Kc7 42.Bd5+–) 1–0. Kievelitz,Bernd (1865) – Woelfert,Juergen (1830), Lichtenberger Sommer, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Nbd7)

8.Nbd2 Re8 9.h3 Bf3 10.Nf3 e5 11.de5 de5 12.c5 Qe7 13.0-0 e4 14.Nd4 Ne5 15.Qb3 Rad8 16.Rfd1 c6 17.Rac1 Nd5 18.a3 Qg5 19.Kf1 h5 20.a4 White intends b5 20...Rd7 21.b5 Red8 22.bc6 bc6 23.Nc6?? (better 23.a5=) 23...Nc6-+ 24.Bg7 Kg7 25.Bb5 Ne3! 26.fe3 (26.Qe3 Rd1 Double attack (26...Rd1 Discovered attack; 26...Rd1 Deflection; 26...Rd1 Overloading); 26.fe3 Rd1 Double attack) 26...Rd1 27.Rd1 Rd1 28.Qd1 Qc5 29.Bc6 Qc6 30.Kg1 Qc4 31.Qd7 Qc1 32.Kf2 Qb2 33.Kg3 Qe5 34.Kf2 Qb2 35.Kg3 Qe5 36.Kf2 Qb2 ½-½. bjoernsen (2455) - HowardCarter (2415), Rated blitz game, lichess.org, 2021.

8.h3 Bf3 9.Bf3 c6 10.0-0 Qc7 11.Qb3 e5 12.Nc3 Rfe8 13.Rfe1 e4 14.Be2 Nf8 15.Rad1 Rad8 16.d5 N8d7 17.dc6 bc6 18.Ba3 Ne5 19.Rd2 Rd7 20.Red1 Red8 21.Rd4 Qb7 22.Ne4 Ne4 23.Re4 d5 24.cd5 cd5 25.Rf4 Qb6 26.Bb2 Qe6 27.b5 g5 28.Ra4 h5 29.Ra6 Qf5 30.Bh5 g4 31.Be5 Qe5 32.Bg4 f5 33.f4 Qe4 34.Bf3 Qc4 35.Bd5! Qd5 36.Rd5 Rd5 37.Ra7 Kh8 38.b6 Rd1 39.Kh2 R1d2 40.Qf7 (40.Qf7 R8d7 41.Rd7 Rd7 42.Qd7 Kh7 43.b7 Kh6 44.Qe6 Kh5 45.Qf5 Kh6 46.b8Q Bc3 47.Qd6 Kg7 48.Qdf8) 1–0. Gofman,Albert (1605) – Ausan,Leo Tito Jr, 32. LSS No Engine Cup Preliminary, 2010.

8.h3 Bf3 9.Bf3 c6 10.0-0 Qc7 11.Nd2 Rac8 (11...d5 12.a3+=) 12.Qb3 e5 (12...c5+=) 13.e4 (better is 13.Rfd1!?+=) 13...ed4=+ 14.Bd4 Rfe8 (14...Ne4 15.Ne4 Bd4 16.Rad1=+) 15.c5 (better is 15.Rfd1!?+=) 15...dc5=+ 16.bc5 (16.Bc5 Nc5 17.bc5=+) 16...Ne5 (16...Ne4!? 17.Ne4 Bd4–/+) 17.Be5 (17.Be2!?=) 17...Re5=+ 18.Qc3 (18.Qe3!?=+) 18...Ne4!–/+ 19.Qc2? (19.Ne4 Re4; 19.Be4 Re4) 19...Nd2 (19...Nc5 20.Rad1–+) 20.Qd2 Rc5 21.Rad1 Re5 22.Qf4 Ree8 23.Qc4 Rcd8 24.Qc5 a6 25.Qa7 h5 26.Rc1?? Bd4 27.Rc6 Qc6 (27...Qc6 28.Bc6 Ba7 (< 28...bc6 29.Qa6 c5 30.Rc1+=) 29.Be8 Re8–+; 27...Ba7?! 28.Rc7 Rd2 29.Rb7–/+) 0–1. gtate (1995) – bobbs (2195), net–chess.com, 2005.

8.h3 Bf3 9.Bf3 c6 10.0-0 e5 11.Qc2 Re8 12.Nc3 ed4 13.ed4 Nb6 14.Qd3 d5 15.c5 Nc4 16.Bc1 a5 17.b5 Re6 18.Bg5 Qd7 19.bc6 bc6 20.Rfe1 Rae8 21.Re6 Re6 22.Rb1 Qe8 23.Na4 Re1 24.Re1 Qe1 25.Qf1 Qb4 26.Qd1 Nb2 27.Nb2 Qb2 28.Qb3 Qd4 29.Qb8 Bf8 30.Bh6 Qc5 31.Qc8 Qe7 32.Bf8 Qf8 33.Qc6 Qd8 34.g4 d4 35.g5 Nh5 36.h4 d3 37.Qe4 d2 38.Bd1 Kf8 39.Kf1 Qe8?? 40.Qe8+= Ke8 41.Bh5 gh5 42.Ke2 Ke7 43.Kd2 Ke6 44.Ke3 Ke5 45.a4 Kd6?? 46.f4?? Kd5 47.Kd3 Kc5 48.Kc3 Kd5 ½–½. Robeson,Christian – Fournier,Frederic, Train France (FRA), 1999.

8.h3 Bf3 9.Bf3 c6 10.Nd2 e5 11.0-0 Re8 12.Qc2 Qe7 13.b5 e4 14.bc6 bc6 15.Be2 c5 16.Nb3 a5 17.Bc3 cd4 18.Nd4 Rec8 19.Qd2 Ne5 20.Ba5 Nc4 21.Bc4 Rc4 22.Rfc1 d5 23.Rc4 dc4 24.Bb4 Qb7 25.Rc1 Rc8 26.a4 Nd5 27.Nb5 Nb4 28.Qb4 c3 29.Qd6 h5 30.h4 Kh7 31.g3 Rc4 32.Qd1 Qc6 33.Qc2 Qd5 34.Qb3 Qc5 35.Kg2 c2 36.Nd4 Bd4 37.ed4 Qc6 38.Rc2 e3 39.Kh2 Rc2 ½–½. Guramishvili,S (2295) – Makharadze,J (2390), 5th Nana Aleksandria Cup, Poti GEO, 2010.

8.h3 Bf5 9.Nbd2 Nb6 10.0-0 Qe8 11.Qb3 Na4 12.Ba3 a5 13.b5 Nb6 14.c5 a4 15.Qb2 Nbd7+=.

8.h3 Bf5 9.g4 Bb1 10.Qb1 c5 11.g5 Ne8 12.Qe4 a5 13.b5 cd4 14.ed4 Nc5 15.Qe3 Nc7+=.

8.0-0 c5

9.a3 Qb6 10.Qd2 Rfc8 11.Rd1 cd4 12.Bd4 Qc6 13.Qe1 a5 14.Nbd2 e5 15.Bc3 Bf5=.

9.Qa4 cd4 10.Bd4 a5 11.Rd1 ab4 12.Qb4 Qa5 13.a3 Rfc8 14.Nbd2 Nc5 15.Rdb1 Rc7=.

9.Qb3 cd4 10.Bd4 a5 11.a3 e5 12.Bc3 ab4 13.ab4 Ra1 14.Ba1 b5 15.cb5 e4=.

9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Nbd2 Ra8 14.Qc2 cd4 15.ed4 e6 16.Bc3 Qa2 17.Qd3 Ra3 18.Ra1 Rc3?? (better is 18...Qa1 19.Ba1 Rd3 20.Bd3 b6=) 19.Ra2 (better is 19.Qc3 Ne4 20.Ne4 Qe2 21.Ng3 Bf3 22.Ne2 (22.Qf3?! Qc4 23.Qb7 Bd4+/-) 22...Be2 23.Ra7+–) 19...Rd3 20.Bd3 Bf3 21.Nf3 e5 22.de5 de5 23.Ra8 Bf8 24.Nd2 Nc5 25.Be2 Kg7 26.Rc8 e4 27.f3 e3 28.Nf1 Ne6 29.Ne3 Bc5 30.Kf2 b6 31.h3 Nd4 32.Rc5! bc5 33.Bd3 Nd7 34.Nd5 Ne5 35.Ke3 f5 36.b6 Kf7 37.b7 Nec6 38.g4 fg4 39.hg4 Ke6 40.Nf4 Kd6 41.Ng6?? hg6= 42.Bg6 Kc7 43.Ke4 Kb7 44.Kd5 Kb6 45.f4?? Ne7–+ 46.Ke5 Ng6 47.Ke4 Nf8 48.f5 Kc6 49.Ke5 Nf3 50.Kf6 Nd7 51.Ke7 Nde5 52.f6 Ng5 53.Kf8 Kd6 54.Kg7 Ke6 55.Kh6 Ne4 56.g5 Nc4 57.Kg7 Ne5 58.Kh6 Kf7 59.Kh5. carocan (1745) – magrecki, kurnik, 2011.

9.b5 cd4 10.ed4 d5 11.c5 Ne4 12.Qc2 Rc8 13.h3 Bf3 14.Bf3 e5 15.Be4 de4=.

9.Bc3 cb4 10.Bb4 Qb6 11.Bc3 Rfc8 12.Nbd2 Qc6 13.Qb3 b5 14.Rfc1 bc4 15.Bc4 Rab8=.

9.bc5 dc5 10.Qb3 Qc7 11.Nc3 cd4 12.ed4 Rfd8 13.Ba3 e5 14.Nb5 Qa5 15.Bb4 Qb6+=.

9.bc5 dc5 10.Qb3 cd4 11.Nd4 (better is 11.ed4!? Nh5 12.g3=) 11...Be2 (11...e5 12.Bg4 Ng4 13.Nf3–/+) 12.Ne2 b6 (12...Nc5!? 13.Qc2 Rc8–/+) 13.Rd1= Qc7 14.Nbc3 Nc5 15.Qc2 Rfd8 (15...Qb7 16.Nf4=) 16.Nd5 Nd5 17.cd5 Bb2 18.Qb2 Rd6 (18...e6 19.Nf4=) 19.Rac1+= Rad8 (19...Qd7 20.Qd4+=) 20.e4 Qb8 (20...e6 21.Nf4+=) 21.Nd4+/- e5? (better is 21...Qa8+/-) 22.Nc6+– Rc6 (22...Qc7 23.Nd8 (23.Qe5? Qc6 24.Rc4 Qe8 25.Qe8 Re8–+) 23...Rd8 24.Rc4+–) 23.dc6 Re8 (23...Rd1 24.Rd1 Qc7+–) 24.Rc5! bc5 (24...Qc8 25.Rcc1 g5+–) 25.Qb8 Rb8 26.c7 Rc8 27.Rd8 Rd8 28.cd8Q (28.cd8Q Kg7 29.Qe7+–) 1–0. Janek – Erberg, internet free game, 2017.

9.dc5 dc5 10.a3 Qb6 11.Qa4 a5 12.b5 Qe6 13.Nbd2 Nb6 14.Qc2 Bf5 15.Bd3 Bd3=.

9.Qd2 Nb6 10.Rc1 Na4 11.bc5 dc5 12.Nc3 Nb2 13.Qb2 cd4 14.ed4 Rb8 15.Rd1 Qa5=.

9.Qe1 cd4 10.Bd4 a5 11.a3 Qc7 12.Nbd2 Rfc8 13.h3 Bf5 14.Bc3 Nb6 15.Nd4 ab4=.

9.h3 Bf5 10.Qb3 cb4 11.Qb4 Qb6 12.a3 Qc6 13.Nh4 Bc2 14.Nc3 a5 15.Qb5 Nb6+=.

8.0-0 c6

9.a4 Qc7 10.b5 Bf3 11.Bf3 (worse is 11.gf3 Rac8=) 11...e5 12.bc6 bc6 13.Nd2 Rfe8 14.Qc2 Rac8 15.Bc3 e4 (15...d5 16.Rac1+=) 16.Be2 d5 17.c5 Nh5 18.Bh5 gh5 19.Rfb1 f5 20.g3 (20.Nb3!?+/-) 20...Nf6 21.h4 Ng4 22.Nf1 f4 23.ef4 e3 24.Ne3 Ne3 25.fe3 Re3 26.Kf2 Rce8 27.Re1 Re1 28.Re1 Re1 29.Be1 Qd7 30.Qd3 Qh3 31.Bc3 Qh2 32.Kf3 Qh1 33.Kf2 Qh2 34.Kf3 Qh1 35.Kf2 Qh2= ½–½. carocan (1740) – betiber64 (1810), kurnik, 2011.

9.a4 Re8 10.b5 cb5 11.ab5 a6 12.Nbd2 ab5 13.cb5 Qb6 14.Qb3 Be6 15.Bc4 Bc4 16.Nc4 Qd8 17.h3 Ra1 18.Ra1 Nb6 19.Ra7 Nc4 20.Qc4 Qb6 21.Qa4 Nd5 22.Ra8 Ra8 23.Qa8 Bf8 24.Qa4 Nc7 25.d5 Qb5 26.Qd4 f6 27.Ng5 Qd5 28.Qd5 Nd5 29.Ne6 b6 30.Bd4 b5 31.e4 Nb4 32.Nc7 Nc2 33.Bc3 b4 34.Bd2 b3 35.Bc3 Kf7 36.Nd5 e6 37.Ne3 Ne3 38.fe3 d5 39.ed5 ed5 40.Kf2 Ba3 41.Ke2 b2 42.Bb2 Bb2 43.g4 Be5 44.Kd3 g5 45.e4 de4 46.Ke4 Kg6 47.Kf3 h6 48.Ke4 h5 49.Kf3 hg4 50.hg4 f5 51.gf5 Kf5 52.Kg2 Kf4 53.Kf2 g4 0–1. surmavlod – fagus54, kurnik, 2012.

9.Nc3 c5 10.Qb3=.

9.Nc3 Qc7 10.b5 c5 11.dc5 Nc5 12.a4 Nce4 (12...Rfc8!?=) 13.Ne4+= Ne4 14.Bg7 Kg7 15.Nd4 (15.Qd4 Nf6+=) 15...Be2 16.Qe2 e5 17.Nb3 Nf6 18.Rfc1 Rac8 19.c5 d5 (19...Rfd8 20.a5+=) 20.a5 Rfe8 21.b6 Qb8 22.Ra4 a6 (22...Rc6!?+=) 23.Rh4 (23.c6!?+/-) 23…d4 (24.ed4 g5+/-; better is 23...Rc6!?=). tromar (1780) – lennart (1840), GameColony.com, 2002.

9.Nc3 e5 10.de5 de5 11.Nd2 Be2 12.Qe2 Re8 13.a3 e4 14.Rfd1 Qc7 15.Nf1 h5 16.Rd2 a5 17.Rad1 Ne5 18.Ng3 Nd3 19.Rd3 ed3 20.Rd3 ab4 21.ab4 h4 22.Nf1 Red8 23.h3 Rd3 24.Qd3 Rd8 25.Qc2 Qd6 26.b5 Qd3 27.Qd3 Rd3 28.bc6 bc6 29.Na4 Rd1 30.Bf6 Bf6 31.Nc5 Rc1 32.Ne4 Kg7 33.c5 Be7 34.f3 Bc5 35.Nc5 Rc5 36.Kf2 Rc2 37.Kg1 f5 38.e4 Kf6 39.ef5 gf5 40.Ne3 Re2 41.Nc4 c5 42.Kf1 Rc2 43.Ne3 Ra2 44.Nd5 Ke5 45.Nc3 Rc2 46.Ne2 c4 47.Ke1 Re2! 48.Ke2 Kf4 0–1. bluepiramid2 (1740) – mars2010, kurnik, 2012. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Nbd7 8.0-0)

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

9.Nc3 e5 10.de5 Bf3 11.ef6 (11.Bf3 Ne5 12.Be2 Qe7=) 11...Be2 12.Qe2 (12.Ne2 Bf6 13.Qd2 Bb2 14.Qb2 Ne5+=) 12...Bf6 (12...Qf6 13.Nd1 Qe6 14.Bg7 Kg7 15.Nb2=) 13.Rfd1 (13.Ne4 Bb2 14.Qb2 Qe7+=) 13...Qc7 (13...Qe7 14.Qc2=) 14.Ne4 Be7 15.Qd3 (15.Qd2 Ne5 16.Rac1 Rad8+=) 15...Nb6 (15...Ne5 16.Be5 de5 17.Qd7+=) 16.Qd4 (16.a4!?+/-) 16...f6+= 17.c5 dc5 18.bc5 Nd5 19.Ng5 Qe5 20.e4 Qg5 21.ed5= Qd5 22.Qd5 cd5 23.Rd5 Rfd8 24.Rad1 Rd5 25.Rd5= Rd8 26.Rd8 Bd8 27.f4 Kf7+= 28.Kf2 Ke6 29.Ke3 Kd5 30.Bd4 a6–/+ 31.g4 f5 32.h3 Be7 33.Kd3 Bc5 34.Bc3 b5 35.Bd2 b4–+ 36.Be1 Bd6 37.Bd2 a5 38.Be3 Bc5 39.Bd2 Bg1 40.Be1 Kc5 41.Bd2 Kb5 42.Bc1 a4 43.gf5 gf5 44.Bb2 Kc5 45.h4 h5 46.Bf6 Kd5 47.Be7 b3 48.ab3 ab3 49.Kc3 Ke4 50.Kb3 Kf4 51.Kc3 Kf3 52.Kd3 Bh2 53.Bg5 f4 54.Bh6 Kg4 55.Bg5 f3 56.Be3 Bg3 57.Bg5 Bh4 58.Bd2 Bg3 (58...Bg3 59.Be3 h4–+) 0–1. Ziethen – Scherf, Magdeburg Direct Chess, 1986.

9.Nc3 e5 10.h3 Bf3 11.Bf3 Nb6= 9.Nbd2 a5 10.a3+=.

9.Nc3 e6 10.Rc1 d5 11.c5 Bf3 12.Bf3 e5 13.Qa4 e4 14.Be2 White intends b5 14...Ne8 (14...a6 15.Rb1+=) 15.b5+= Qc7 16.Ba3 f5 17.Bb4 f4 (17...Bh6 18.a3+=) 18.Ba5+/- Qc8 19.f3 ef3 20.Bf3 fe3? (20...Kh8 21.e4 Nb6 22.cb6 ab6+=) 21.bc6+- bc6 22.Nd5! cd5 (22...Rf7 23.Ne3 Rb8 A) 24.Qc6?! Bd4 25.Rfe1 Bc5+= (25...Nc5? 26.Qd5 Qd7 27.Rc5+-); B) 24.Bd2+-) 23.Bd5 Kh8 24.Ba8 Qa8 25.Qd7 Nf6 26.Qe6 Re8 27.Qa6 (better 27.Qd6 Ne4 28.Qd7+-) 27...e2?? (27...Ne4 28.Qc4 e2+-) 28.Rf6 Bf6 (28...Qe4 29.Re1 Qd4 30.Rf2 Qc5 31.Ree2 Re2 32.Qe2+-) 29.Qf6 Kg8 30.c6 Qc8 31.c7 Re6 (31...Rf8 32.Qe7 Rf7 33.Qd8 Rf8+-) 32.Qe6! Qe6 33.c8Q Qc8 34.Rc8 (34.Rc8 Kf7 35.Kf2+-) 1-0. Adlai – Podloggy, internet, 2021.

9.Nbd2 a5 10.a3+=.

9.Nbd2 b6 10.h3 Bf3 11.Bf3 (worse is 11.gf3 c5=) 11...Rc8 12.Rc1 d5 13.Qb3 Nb8 (13...e6 14.b5 cb5 15.Qb5+/-) 14.b5 (14.a3 Qd6+/-) 14...dc4 (14...cb5 15.Qb5 dc4 16.Rc4 Rc4 17.Nc4+/-) 15.Nc4 (15.Rc4 Qd7+/-) 15...cb5 16.Qb5 Nbd7 (16...Qd7 17.a4+/-) 17.Qa4 (17.Rc2 Ne8+/-) 17...Qc7 18.Ne5 (18.Ne5 Ne5 19.Rc7 Nf3 20.gf3 Rc7 21.Rc1 Rc1 22.Bc1+/-) 1–0. pcmvr (2645) – bobbs (2355), net–chess.com, 2006.

9.Nbd2 Qc7 10.h3 (10.a3 d5+=) 10...Bf3 (10...Bf5 11.g4 Be6 12.Ng5+=) 11.Nf3 e5 (11...c5 12.a3+=) 12.a4 White plans b5 (12.Qc2 a5 13.a3 e4+=) 12...Rfe8 13.Re1 (13.a5 e4 14.Nd2 d5+=) 13...e4= 14.Nd2 d5 15.b5 (15.Qc2 dc4 16.b5 Rac8=) 15...c5 (15...Rac8 16.Rc1=) 16.Rc1+= b6 (16...Rad8 17.dc5 Nc5 18.cd5+=) 17.cd5+/- Nd5 18.Qb3 Qb7 (18...N7f6 19.Red1+/-) 19.Bc4 N7f6 20.dc5 bc5 21.Bd5 Qd5 22.Qd5 Nd5 23.Bg7 Kg7 24.Rc5 Nb4 (24...Rad8!?+/-) 25.Rb1 Nd3 26.Rc7 Rec8 27.Rc8 Rc8 28.a5 White prepares the advance b6 (better is 28.Ne4 Rc4 29.Nd6 Ra4 30.Rd1+–) 28...Rc2? (better is 28...f5+–) 29.Ne4 f5 (29...Ne5 30.b6 ab6 31.ab6+–) 30.b6 (30.Nd6 Ne5+–) 30...ab6 31.ab6 Rc8 32.b7 Rb8 33.Nd6 Kf6 34.Nc4 Nc5 (34...f4 35.Na5 fe3 36.fe3+–) 35.Na5 Ke5 (35...h6+–) 36.Nc6 (36.Nc6 Kd6 37.Nb8+–) 1–0. Janek – Gutes, internet free game, 2017.

9.Nbd2 Rc8 10.Qc2 (10.Qa4 Qb6+=) 10...Re8 (10...d5 11.h3 Bf5 12.Qb3=) 11.Rfd1 Qc7 (11...d5 12.Rac1+=) 12.Rac1 (12.h3 Bf3 13.Nf3 c5+=) 12...e5 (12...c5 13.bc5 dc5 14.h3 Bf3 15.Bf3 cd4 16.ed4=) 13.de5 (13.h3 Be6+=) 13...de5 (13...Ne5 14.Bd4+=) 14.h3 Bf3 (14...Be6 15.Ng5+=) 15.Bf3 b6 (15...e4 16.Ne4 Ne4 17.Bg7 Nf2 18.Rd7 Qd7 19.Bd4 Nh3 20.gh3 Qh3 21.Qf2+=) 16.Qb1 c5 17.b5 Rcd8 18.Bc6 (18.a3 h6+=) 18...Re7 (18...Re6 19.Ne4+=) 19.Nf3 (19.Ne4 Ne4 20.Qe4 Nf6 21.Rd8 Qd8+=) 19...Nb8 (19...Ne8 20.e4+/-) 20.Rd8+/- Qd8 21.Rd1 Qc7 22.Ba8 e4 23.Nd2 Nbd7 24.Qa1 Nh5 25.Bg7+– Ng7 26.Ne4 Nf5? 27.Rd7! Rd7 28.Nf6 Kf8 29.Nh7 Ke7 30.Qf6 Ke8 31.Bc6 (31.Bc6 Qd6 32.Qh8 Ke7 33.Qf8 Ke6 34.Ng5 Kf6 35.Ne4 Ke6 36.Qe8 Ne7 37.Ng5 Kf6 38.Bd7 Nd5 39.Ne4 Kg7 40.Nd6 Nf4 41.Qf7 Kh6 42.Qf8 Kh7 43.Ne4 Ne2 44.Kh2 a6 45.Nf6) 1–0. pcmvr (2560) – bobbs (2305), net–chess.com, 2006.

9.Nbd2 e5 10.de5 Ne8 11.Qb3 Ne5 12.h3 Be6 13.Rfd1 b6 14.Nd4 Bd7 (better 14...c5!? 15.Ne6 fe6+=) 15.f4+/- c5 16.fe5 cd4 17.ed4 de5 18.de5 Qc7 19.Nf3 Qc6? (19...Be6 20.Qe3+-) 20.Rac1 (20.b5 Qc7+-) 20...Nc7 (20...Bh6 21.Rc3 Rd8 22.b5+-) 21.Rd6 Qe4?? (21...Qa4+-) 22.Rd7 (22.Rd7 Ne6 23.Qd3 Qd3 24.Bd3+-) 1-0. Podinski (2300) - bobby fissure (2275), ChessWorld.net, 2015. (=1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.b4 d6 5.Bb2 0-0 6.e3 Bg4 7.Be2 Nbd7 8.0-0)

9.Nbd2 e6 10.h3 Bf5 11.Qb3 Ne4? (11...d5 12.Rfc1+=) 12.Ne4 (better is 12.g4+–) 12...Be4+/- 13.Nd2 d5 14.f3 (14.Ne4!? de4 15.f3 ef3 16.Bf3+/-) 14...dc4= 15.Bc4 Bd5 16.e4 Bc4 17.Qc4 (17.Nc4 Nb6 18.Rad1 Nc4 19.Qc4 a5=) 17...Nf6 (better is 17...Nb6!? 18.Qb3 Bd4 19.Kh2 e5–/+) 18.Rad1 Qb6 19.a4 Rad8 20.Nb3 Nd7 21.Kh1 a6 22.e5 Qc7 23.b5 ab5 24.ab5 Nb6 25.Qc2 Nd5 26.Rd3?? Nb4–+ 27.Qc3 Nd3 28.Qd3 cb5 29.Rc1? Qd7 30.Nc5 Qd5 31.Qe3 b6 32.Ne4 Rc8 33.Rd1 Rc2 34.Bc3 Rc8 35.Bb4 Qa2 36.Rg1 Qb2 37.Bd6 R8c3?? 38.Qg5= Rc1?? 39.Qd8 (39.Qd8 Bf8 40.Qf8) 1–0. futsalboy (1725) – cechisehunt (1710), kurnik, 2011.

9.Nbd2 Re8

10.h3 Bf3

11.Nf3 e5

12.Qb3 ed4 13.Nd4 a5 14.b5 a4 15.Qa3 Qc7 16.Rfd1 Ne4 17.Rac1 Ndc5 18.Ba1 Rac8 19.Bf3 Qe7 20.Bg4 f5 21.Bf3 Bf6 22.Rb1 Be5 23.Be4 fe4 24.bc6 bc6 25.Rb6 Qf6 26.Rf1 Rf8 27.Rbb1 Ne6 28.Ne6 Qe6 29.Be5 Qe5 30.Qa4 Rf7 31.Qa6 Qe6 32.Rb7 Rcc7 33.Rc7 Rc7 34.Rb1 Qc8 35.Qa3 Rd7 36.Qb2 Qf8 37.Qd4 Qe8 38.Rb6 c5 39.Qd5 Qf7 40.Qe4 Kg7 41.g3 Qf5 42.Qf5 gf5 43.a4 Ra7 44.Rd6 Ra4 45.Rd5 f4 46.gf4 Rc4 47.Kg2 Rc1 48.Kf3 c4 49.Rc5 c3 50.f5 h5 51.Kf4 h4 52.e4 c2 53.e5 Kh6 54.e6 Kg7 55.Rc7 Kh6 56.f6 1–0. Kempinski,R – Fernandes,An, Leon, 2001.

12.de5 de5

13.Qc2 Qb6 A) 14.Bc3 c5 15.bc5 Qc7 16.c6 Qc6 17.Rfd1=; B) 14.Rab1 e4 (14...a5 15.Bc3 ab4 16.Rb4 Qa6 17.Rfb1=; 14...c5 15.bc5 Qc5 16.Rfd1 e4 17.Nd2+=; 14...Rad8 15.Rfd1 c5 16.bc5 Qc5 17.Ng5=) 15.c5 Qb4 16.Bf6 Qc5 17.Bc4–/+; C) 14.a3 c5 (14...e4 15.c5 Qc7 16.Nd4 Nd5 17.Rad1+=) 15.bc5 Qc5 16.Rfd1 e4 17.Nd2=.

13.Qc2 c5 A) 14.a3 Qe7 (14...e4 15.Nd2 Qe7 16.Qa4 b6 17.b5=) 15.Bc3 e4 16.Nd2 Rad8 17.Rfd1=; B) 14.Rfd1 e4 15.Ne5 cb4 16.Nd7 Nd7 17.Bg7=; C) 14.bc5 Qc7 (14...e4 15.c6 bc6 16.Nd4 c5 17.Nb5+=; 14...Qc8 15.Rad1 e4 16.Nd4 Nc5 17.Rd2+=; 14...Rc8 15.Qa4 Qc7 16.c6 bc6 17.Rab1=) 15.c6 Qc6 16.Rfd1 Qc7 17.Rd2=.

13.Qc2 e4 14.Nd2 Rc8 (14...Qe7 15.a3 c5 16.Qa4 b6 17.b5=; 14...c5 15.b5 Qb6 16.Rfd1 Rad8 17.a4=; 14...a5 15.a3 c5 16.Rfd1 Qc7 17.bc5=) 15.c5 (15.Rfd1 Qe7 16.c5 b6 17.Nc4+=) 15...Ne5 (better is 15...b6!?+= 16.Rfd1 Qe7 17.Nc4+=) 16.Rad1+/- (16.Ne4 Ne4 17.Qe4 Qd2 18.Be5 Qe2–+ (18...Be5?! 19.Qc4 Ba1 20.Ra1+=)) 16...Qc7 17.Bd4 (17.Ne4+/- 1.22) 17...Ned7 18.Nc4 Re6 19.Nd6 Ra8 20.Bc4 Re7 21.f3 ef3 22.Qb2 Rf8 (22...fg2 23.Rf6 Nf6 24.Bf6 Bf6 25.Qf6+–) 23.Rf3 Nh5 (23...b5 24.Bb3 (24.Rf6?! Bf6 25.Bf6 Nf6=) 24...a5 25.ba5+–) 24.Bg7 (better is 24.Rdf1!? Bd4 25.ed4+– (25.Qd4?! Ne5+/-)) 24...Ng7+/- 25.Nf7 Ref7 26.Rf7 Rf7 27.Bf7 Kf7 28.Rf1 Kg8 29.Qb3 Kh8 30.Qf7 Nf5 31.e4 Nh6 32.Qe8 Kg7 (32...Ng8 33.Rf7 Qe5 34.Qd7 Qa1 35.Kf2 Qb2 36.Kf3 Qc3 37.Kf4 g5 38.Kg5 Qe3 39.Rf4 Qg3 40.Qg4 Qe3+–) 33.Qe7 Kh8 34.Rf8! Ng8 (34...Nf8 35.Qc7 Pinning (35.Qc7 Deflection)) 35.Qf7 Nf8 36.Qc7 Nf6 37.e5 Nd5 (37...Ng8 38.Qf7 Ne6 39.Qe6+–) 38.Qf7 (38.Qf7 Ne6 39.Qe6+–) 1–0. docjan50 (2365) – badadamtude (1660), gameknot.com, 2015.

13.Qc2 Qe7 A) 14.a3 c5 (14...e4 15.Nd2 c5 16.Qa4 b6 17.b5=) 15.Bc3 e4 16.Nd2 Rad8 17.Rfd1=; B) 14.Bc3 e4 (14...c5 15.a3 e4 16.Nd2 Rad8 17.Rfd1=) 15.Nd2 Red8 16.Rfd1 c5 17.b5=; C) 14.c5 Red8 (14...Nd5 15.a3 e4 16.Nd4 a5 17.Qb3=; 14...e4 15.Nd4 Nd5 16.a3 Qg5 17.Rfd1+=; 14...Rad8 15.e4 b6 16.cb6 ab6 17.Bc3+=) 15.Rfd1 e4 16.Nd4 Nd5 17.a3=.

13.c5 Qe7 14.Qb3 b5 (14...Red8 15.Rfd1=) 15.Rfd1 Nd5 16.Rd5 cd5 17.Qd5 e4 18.Nd4 Nf6 19.Qd6 Rad8? (better is 19...Qd6 20.cd6 a6=) 20.Qe7+– Re7 21.Bb5 Rb7+/- 22.a4 a6? 23.c6 Ra7 24.Bc4 Nd5 25.b5 Nb6 26.Bb3 ab5 27.ab5 Ra1 28.Ba1 Ra8 29.Bb2 Kf8 30.f3+– ef3 31.gf3 f5?? 32.Kf2 Ke7 33.h4 Kd6 34.Nf5! gf5 35.Bg7 Kc5 36.Be6 Kb5 37.c7 Kc6 38.Bf5 Kc7 39.Bh7 Nd5 40.Be5 Kd7 41.Bd4 Ke6 42.Be4 Ra2 43.Kg3 Nf6 44.Bf6 Kf6 45.Kf4 Rg2? 46.h5 Rg5 47.Bg6 Ra5 48.e4 1–0. ludice (1715) – bytow, kurnik, 2011.

8.0-0 Re8

9.a3 e5 10.h3 Bf3 11.Bf3 d5 12.Nd2 e4 13.Be2 dc4 14.Nc4 Nd5 15.Rc1 a6+=.

9.Na3 c5 10.Qb3 cd4 11.ed4 d5 12.Rac1 e6 13.Rfe1 Rc8 14.c5 Ne4 15.Bb5 Bf3=.

9.Qa4 a5 10.ba5 c5 11.Qb3 Qa5 12.Nbd2 e5 13.de5 de5 14.Bc3 Qc7 15.h3 Bf5=.

9.Qb3 e5 10.h3 Bf5 11.Nbd2 c6 12.de5 de5 13.Rfd1 Qc7 14.c5 Be6 15.Bc4 b6+=.

9.Qc2 e5 10.de5 Bf5 11.Qa4 Ne5 12.Ne5 de5 13.Rd1 Qe7 14.Nc3 Bd7 15.Qb3 Rad8+=.

9.Nc3 c5 10.bc5 dc5 11.Qb3 cd4 12.ed4 b6 13.Rad1 Nf8 14.Rfe1 Rc8 15.h3 Bf3+=.

9.Nc3 c6 10.a4 e5 11.b5 ed4 12.Nd4 Be2 13.Qe2 Ne5 14.Rac1 Qc7 15.Rfd1 Rad8 16.h3 h5 17.Ba3 Bh6 18.Rc2 Re7 (18...Bg7!?+=) 19.bc6 bc6 20.f4 Neg4 21.hg4 Ng4 22.Bc1 (22.Ndb5 cb5 23.Nd5 Qb7 24.Ne7 Qe7 25.cb5 Qh4+/-) 22...Bf4 The pressure on the backward pawn e3 grows 23.Qf3 Be3 24.Be3 Re3 (24...Ne3 25.Nc6 Nd1 26.Ne7 Qe7 27.Qd1 Qh4+–) 25.Qc6+/- Rde8 26.Rf1 (26.Qc7?? Re1 27.Re1 Re1) 26...Qc6 27.Nc6 Rc8 28.Na7 Rc4 29.Nab5 d5 30.Ra2 (30.Ra2 Rec3 31.Nc3 Rc3 32.a5+/-) 1–0. Quist,Viggo Bove – Nielsen,Borge, Ch–DEN corr, 1973. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 d6 5.d4 0-0 6.e3 Bg4 7.Be2 Nbd7 8.0-0 Re8)

9.c5 e5 10.de5 de5 11.Nc3 h6 12.e4 c6 13.Qc2 a5 14.a3 Qe7 15.Rfd1 ab4+=.

9.Qd2 e5 10.de5 de5 11.Rd1 Qe7 12.h3 Bf3 13.Bf3 Nb6 14.Na3 Na4 15.Rab1 Nb2 =+.

9.Nbd2 c5 10.a3 cd4 11.Nd4 Be2 12.Qe2 Nb6 13.Rab1 Na4 14.Ba1 Qc7 15.Nb5 Qc6+=.

9.Qd3 e5 10.Qd1 a5 11.b5 e4 12.Nfd2 Be2 13.Qe2 a4 14.a3 c5 15.Nc3 cd4=.

9.Re1 e5 10.h3 Bf5 11.Nbd2 c6 12.g4 Be6 13.a3 e4 14.Ng5 d5 15.Ne6 Re6=.

9.h3 Bf3 10.Bf3 (worse is 10.gf3 a5+=) 10...c6 11.a4 e5 12.b5 ed4 13.Bd4 Qc7 14.Nd2 Ne5 15.Be2 d5 16.c5 Ned7 17.Qc2 Ne4 18.Ne4 Re4 19.Bf3?? (better is 19.Bg7 Kg7 20.Rfd1+=) 19...Bd4–/+ 20.Be4? (better is 20.ed4!? Rd4 21.Rfc1–/+) 20...Ba1–+ 21.Bd5 cd5 22.Ra1 Qc5 23.Qd2 Rc8 24.Rd1 Nb6 25.a5 Nc4 26.Qd5 Qd5 27.Rd5 a6 28.ba6 ba6 29.g4 Rb8 30.Rc5 Rb4 31.Rc6 Na5 32.Ra6 Nb3 33.Kg2 Kg7 34.h4? Nd2 35.Rd6? Rb2 36.Rd4 Nb3 37.Rd7 Nc5 38.Rd4 Rc2 39.Kg3 h6 40.f4 Rc3 41.Kf3 Nb3 42.Rb4 Nd2 43.Ke2 Nc4 44.Kf2 Ne3 45.Re4 Ng4 46.Kg2 0–1. carocan (1915) – morkant (1865), kurnik, 2011.

9.h3 Bf5 10.Nh4 Bb1 11.Rb1 e5 12.Nf3 a5 13.b5 ed4 14.Nd4 Ne4 15.Qc2 Qg5=.

8.Qb3 d5

9.0-0 dc4 10.Qc4 Nb6 11.Qc1 c6 12.Nbd2 Nbd5 13.Qc5 Nd7 14.Qc4 N7b6 15.Qb3 Be6=.

9.Na3 c6 10.0-0 Ne4 11.Rfc1 Nb6 12.c5 Nd7 13.b5 a6 14.bc6 bc6 15.Qc2 Rb8=.

9.Nc3 dc4 10.Qc4 Nb6 11.Qc5 Nfd7 12.Qg5 Bf3 13.Bf3 Nc4 14.Na4 c5 15.Bc3 cd4=.

9.c5 a5 10.ba5 e5 11.Ne5 Be2 12.Ke2 Ne5 13.de5 Ng4 14.f4 Qh4 15.g3 Qh5=.

9.Nbd2 dc4 10.Nc4 Be6 11.Qa3 Nb6 12.Nce5 Ne4 13.0-0 Bd5 14.Rac1 e6 15.Bd3 c6=.

9.cd5 Nb6 10.0-0 Qd5 11.Qc2 Qd6 12.Rc1 Rac8 13.a3 Bf5 14.Qd1 Rfd8 15.Nc3 c6=.

8.b5 Re8

9.0-0 e5 10.h3 Bf3 11.Bf3 e4 12.Be2 a6 13.ba6 Ra6 14.Nc3 Qe7 15.Qb3 Rb6+=.

9.a3 a6 10.0-0 e5 11.ba6 ba6 12.Nc3 Rb8 13.Qc2 ed4 14.Nd4 c5 15.Nc6 Rb2 =+.

9.Na3 e5 10.0-0 ed4 11.Bd4 a6 12.h3 Be6 13.Ng5 Bf5 14.Bf3 ab5 15.Nb5 h6=.

9.a4 c5 10.0-0 cd4 11.Bd4 Nc5 12.a5 e5 13.Bb2 Rc8 14.h3 Be6 15.Nc3 h6=.

9.Qc2 e5 10.0-0 e4 11.Ne1 Be2 12.Qe2 a6 13.a4 d5 14.a5 dc4 15.Qc4 ab5 =+.

9.Nc3 e5 10.0-0 ed4 11.Nd4 Be2 12.Qe2 Nc5 13.Nb3 Nce4 14.Ne4 Ne4 15.Bg7 Kg7=.

9.Nbd2 e5 10.h3 ed4 11.Bd4 Bf5 12.a4 Nc5 13.0-0 Qe7 14.a5 a6 15.b6 Rac8=.

9.h3 Be6 10.Nbd2 d5 11.cd5 Nd5 12.Ng5 Nf8 13.0-0 Bd7 14.Qb3 c6 15.e4 e6+=.

8.Nbd2 c5

9.a3 cd4 10.Bd4 Nb8 11.h3 Bd7 12.e4 Nc6 13.Be3 Qc7 14.Rc1 Rac8 15.0-0 a6+=.

9.b5 cd4 10.Bd4 Nc5 11.0-0 b6 12.Ng5 Be2 13.Qe2 h6 14.Ngf3 e5 15.Bc5+= bc5 16.e4 Nh5 17.g3 f5 18.Rad1 f4 19.Nb3 fg3 20.fg3 Qe7 21.Qd3 Nf6 22.Qd6 Qd6 23.Rd6 Ne4 24.Rg6 Rad8 25.Kg2 Rd3 26.Ne5 (26.Ne5 Rc3 27.Rf8 Kf8 28.Nd7 Kf7 29.Ra6 Rc4 30.Ra7 Rc2 31.Kf3 Ng5 32.Kg4 Rh2 33.b6+–) 1–0. pierre – poppie, internet, 2010.

9.b5 Re8 10.0-0 e5 11.h3+/- Bf3 12.Bf3 e4 13.Be2 Nh5 14.Bh5+/- gh5 15.Qh5 Re6 16.Qf5 Qe7 17.d5+– Bb2 18.de6 fe6 19.Qg4 Kh8 20.Rab1 Rg8 21.Qe4 Be5 22.Qb7 Qg7 23.f4 d5 24.g4 Bc3 25.Nf3 Qh6 26.Qd7 Qh3 27.Kf2 Rg4 28.Rg1 d4 29.Qe8 Kg7 30.Qe7 Kh6 31.Rg4 de3 32.Ke2 Qg4 33.Rh1 Kg6 34.Qh7 (34...Kf6 35.Rh6 Qg6 36.Rg6 Kf5 37.Rg5 Kf4 38.Qh4#) 1–0. Registration (2435) – CalyDeArgentina (1765), ICC, 2003.

9.bc5 dc5 10.0-0=.

9.dc5 dc5 10.b5 b6 11.h3 Be6 12.0-0 a6 13.a4 a5 14.Qc2 Bf5 15.e4 Ne4 16.Bg7 Nd2 17.Qd2 Kg7 18.g4 Be6 19.Qc3 Kg8 20.Rad1 Qc7 21.Ng5 Rad8 22.Ne6 fe6 23.Bf3 Qe5 24.Qd3 Qf4 25.Bc6 Ne5 26.Qd8 Rd8 27.Rd8 Kg7 28.Re1 Nf3 29.Bf3 Qf3 30.Re6 Qh3 31.Re7 Kf6 32.Re4 Qb3 33.Rd6 Kg5 34.Rd5 1–0. barborski – elzabalfa, kurnik, 2012.

9.h3 Bf3 10.Bf3 Qb6=.

7.Be2 Nfd7

8.0-0 c5 9.b5 cd4 10.Nd4 Be2 11.Qe2 Nc5 12.a4 b6 13.Nd2 a5 14.Qf3 Nbd7 15.Nc6 Qe8 16.Bg7 Kg7 17.Qd5 f6 18.Nf3 Qf7 19.e4 Qd5 20.cd5 Kf7 21.Rfe1 Rfe8 22.Nfd4 e6 ½–½. Schwichtenberg,Juergen – Hoeppner,Klaus Dieter, Hessen–ch Seniors, 2000.

8.h3 Bf3 9.Bf3 (worse is 9.gf3 c5=) 9...c6 10.Qc2 Qc7 11.0-0 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Na6 15.Qb3 Qb6 16.b5 e5 17.Nd2 ed4? (17...Nab8 18.Ne4+/-) 18.ed4?? (18.ba6!? de3 19.Qb6 Nb6 20.fe3 Ba1 21.Ra1 Ra8+–) 18...cb5 (18...Nab8!? 19.Ne4 d5 20.cd5 cb5+=) 19.Qb5+– Qb5 20.cb5 Nb4 21.Bb7 Rb8 22.Bc6 Nb6 23.Rc1 d5? 24.Nb3 Bh6 25.Re1 Bg7? 26.Re8 Re8 27.Be8 Kf8 28.Bc6 Ke7 29.Bb7 Kd6 30.Bc3 Kc7 31.Bb4+/- Kb7 32.Kf1 Nc8 33.Bc5+– Nb6 34.Ke2 Na4 35.Na5 Kc7 36.Kd3 Bh6 37.Nc6 Bg5 38.Nb4 Nb6 39.Kc3 Bf4?? 40.Bb6 (40.Bb6 Kb6 41.Nd5 Kb5 42.Nf4+–) 1–0. Itaas,Susan (2005) – Damasco,Rosa (2005), Moscow ol (Women), 1994. (=1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 0-0 5.e3 d6 6.Bb2 Bg4 7.Be2)

7.Be2 Re8

8.0-0 c6 9.a4 Qb6 10.a5 Qc7 (10...Qb4?? 11.Bc3 Na6 12.Bb4 Nb4 13.Nc3+–) 11.Nc3 Bf3 (11...e5 12.h3 Bf3 13.Bf3+= (< 13.gf3 Na6=)) 12.Bf3+/- Nbd7 13.a6 b6 (13...e5 14.Qd3+/-) 14.b5 Nb8 15.Qc2 e6 16.Ba3 Rd8 (16...Qd7!?+/-) 17.bc6+– Nc6 18.Nb5 Qd7 19.Bd6 Ne8 (19...g5 20.Be5+–) 20.Bg3 Rac8 21.Qa4 Na5 22.c5! Nc6 23.Bc6 Qc6 24.Na7 Qa4 25.Ra4 b5 26.Nb5 Ra8 27.a7 e5 28.de5 Rd5 29.Rc1 Bf8 30.Nd6 Nc7 31.c6 Rd3 32.Kf1 g5 33.Ke2 Rb3 34.Kf3 h5 35.h3 h4 36.Bh2 Be7 37.Raa1 Bf8 38.Kg4 Rb2 39.Ne4 Rb4 40.Kf5 Kg7 41.Nd6 Rb2 42.Bg1 Be7 43.e4 f6 44.Nc4 Rb5 45.Rd1 fe5 46.Rd7 Rf8 47.Kg4 (47.Kg4 Rb4 48.Rc1+–) 1–0. pcmvr (2760) – cnita (1940), net–chess.com, 2007.

8.Nbd2 a5 9.a3 Nbd7 10.0-0 d5 11.h3 Be6 12.Ng5 Bf5 13.cd5 Nd5 14.e4 ab4 15.ef5 ba3 16.fg6 fg6 17.Ra3 N7b6 18.Ne6 Qd6 19.Ng7 Rf8 20.Nc4 Nc4 21.Bc4 Ra3 22.Ba3 Qa3 23.Ne6 Nc3 24.Nf8 Kf8 25.Qf3 Ke8 26.Qf7 Kd7 27.Qh7 Ne2 28.Be2 1–0. Trkn – Jimmy Hersh, itsyourturn.com, 2000.

8.h3 Bf5 9.Nbd2 c6 10.0-0+= Nbd7 11.Qb3 e5= 12.de5 Ne5 13.Ne5 de5 14.Rfd1 Qc7 15.Nf3 e4 16.Nd4+= Be6 17.Ne6 Re6 18.Rd2 Rd8 19.Rd8 Qd8 20.Rd1 Rd6 21.Rd6 Qd6 22.a3 Nd7 23.Bg7 Kg7 24.Qd1 Qd1= 25.Bd1 Kf6 26.f3 Ke5 27.Kf2 Nb6 28.Bb3 f5 29.a4 ef3 30.gf3 Nd7 31.c5 Nf6 32.Kg3 Nd5 33.Bd5 Kd5 34.Kf4 b6?? 35.cb6 ab6 36.a5 ba5 37.ba5 Kc5 38.e4 fe4 39.fe4 Kb4 40.a6 c5 41.a7 c4 42.a8Q c3 43.Qa1 c2 44.Qc1 Kc3 45.e5 h6 46.e6 g5 47.Kf5 g4 48.e7 h5 49.hg4 h4 50.e8Q h3 51.Qee3 Kb4 52.Qb2 Kc4 53.Qe4 Kc5 54.Qbb4# 1–0. uno (1840) – grry (1870), ICC, 2003.

7.Be2 Bf3

8.Bf3 c6

9.0-0 Qb6 10.Qb3 Nbd7 11.Nc3 e5 12.Rad1 c5 (12...Rad8!?+=) 13.dc5+/- dc5 14.Nd5 Nd5 15.Rd5 (15.cd5?! cb4 16.d6 Rac8=) 15...Qc7 (15...Rad8 16.Rfd1 Nf6 17.Rd8 Rd8 18.Be5 Rd1 19.Qd1 cb4 20.c5+/-) 16.Rfd1+– Rad8 17.R1d2 (17.Qd3 e4 18.Be4 Bb2 19.Rd7 Rd7 20.Qd7 Qe5 21.Qb7 cb4+–) 17...Rfe8 (better is 17...Nb6!? 18.Rc5 Qe7+–) 18.Qd1+– Re7 19.Rc5! Qb8 20.Rcd5 (20.b5 f6+–) 20...Qc7 21.Ba3 e4? (21...f5 22.Rc5! Qb8+–) 22.b5 Ree8 23.Rd7 Rd7 24.Rd7 Qa5 25.Bc5 ef3 26.gf3 (26.gf3 Kh8 27.Qd5 Qe1 28.Kg2+–; 26.Rb7?! Qa2 27.gf3 Qc4+–) 1–0. pcmvr (1960) – secgestor, internet, 2007.

9.0-0 Nbd7 10.a4 Rc8 11.Nd2 Ne8 12.Qb3 a6 13.Rfd1 Qc7 14.Rac1 e5 15.Ne4 Kh8 16.h3 f5 17.Ng5 Rf6 18.d5 Nf8 (18...c5!?+=) 19.c5+/- h6 (better is 19...Qe7 20.dc6 bc6 21.cd6 Nd6 22.Rc6 Rc6 23.Bc6 h6+–) 20.cd6?? (20.dc6 bc6 21.cd6 Qd7 22.Be5 hg5 23.Bf6 Bf6+–) 20...Nd6? (better is 20...Rd6 21.Ne6 Ne6 22.de6 Qe7=) 21.dc6 bc6? 22.Rc6 Qb8? 23.Rc8 Nc8 24.Nf7 Rf7 25.Qf7 Nb6 26.a5 Nbd7 27.Rd7 Nd7 28.Qd7 Qb4 29.Qe8 Kh7 30.Bd5 h5 31.Be5 Qe1 32.Kh2 Be5 33.Qe5 Qf2 34.Qc7 Kh8 35.Qf7 (35.Qf7 Qg3 36.Kg3 h4 37.Kf3 g5 38.Qg8) 1–0. Garcia Corada,Pedro – Garcia Gamazo,German, Valladolid CC Autumn, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.d4 Bg4 7.Be2 Bf3 8.Bf3 c6)

9.0-0 Nbd7 10.Nd2 a5 11.b5 Qc7 12.bc6 bc6 13.Bc3 Ra7 14.Rb1 Rb8 15.Rb8 Nb8 16.Qc2 e5 17.de5 de5 18.Rd1 Nbd7 19.Ne4 Qd6?? (better is 19...Ne4 20.Qe4 Ra6+/-) 20.Nd6 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

9.a4 Nbd7 10.0-0 e5 11.b5 e4 12.Be2 d5 13.Qb3 Rb8 14.Nc3 Nb6 15.Ba3 Re8 16.Bc5 Nc8?? (better is 16...Nc4 17.Bc4 dc4 18.Qc4 Rc8=) 17.bc6+– b6 (17...Qc7 18.Rab1 Qc6 19.cd5 Qc7+–) 18.Ba3 dc4 19.Bc4 (19.Qc4?! Ra8+–) 19...Ne7 20.Bf7 Kh8 21.Be8 Qe8 22.c7 Rc8 23.Bd6 Qd7 24.Bg3 Nf5 25.Nb5 Ng3 26.hg3 Nd5? 27.Rfc1 a6 28.Nc3 Rc7 29.Ne4 Rc1 30.Rc1 h5 31.Ng5 Bf6 32.Nf3 a5 33.Qb5 Qe6 34.Rc6 Qe4 35.Rc8 Kg7 36.Qe8 Be7 37.Ne5 Qb1 38.Kh2 Qe1 39.Nc6 Qf2 40.Ne7 (40.Ne7 Ne7 41.Qe7 Qf7 42.Qe5 Qf6 43.Rc7 Kh6 44.Qf6 b5 45.Qf4 g5 46.Qd6; 40.Qh8 Kf7 41.Ne5 Ke6 42.Qg8 Qf7 43.Qf7 Kd6 44.Rc6) 1–0. carocan (1680) – 1atom1, kurnik, 2011.

9.a4 e5 10.b5 (10.de5!? Ne8 11.Bc3+/-) 10...e4+= 11.Be2 d5 12.Nc3 Re8 13.0-0 Nbd7 14.Qb3 Nb6 15.a5 dc4 16.Bc4 Nc4 17.Qc4 cb5 18.Qb5 a6 19.Qb3 (< 19.Qb7 Rb8 20.Qa6 Rb2–/+) 19...Qd7 20.Na4 Qb5 21.Qb5 ab5 22.Nc5 Rab8 23.Rfb1 Nd5 24.Bc1 b4 25.Bd2 Rec8 26.Bb4 Nb4 27.Rb4 Rc5 28.dc5 Ba1 29.c6 Be5 30.cb7+/- Bc7 31.a6+– Ba5?? 32.a7 (32.a7 Bc7 33.a8Q+–) 1–0. carocan (1850) – nexhi2010 (1640), kurnik, 2011.

9.Nd2 a5 10.b5 Qb6 11.a4 Nbd7 12.0-0 c5 13.Qc2 Rac8 14.Rac1 Qc7 15.d5 b6 16.g3 Ne8 17.Bg7 Ng7 18.e4 Ne5 19.Be2 Nd7 20.f4 f5 21.ef5 Nf5 22.Bg4 Nd4 23.Qd3 Rce8 24.Rce1 Nf6 25.Bh3 Kg7 26.Nf3 Ng8 27.Nd4 cd4 28.Qd4 Nf6 29.g4 Kg8 30.g5 Nh5 31.Be6 Rf7 32.f5 Qc5 33.Qc5 bc5 34.fg6 hg6 35.Rf7 1–0. barborski (1650) – wmarian (1610), kurnik, 2012.

9.Nd2 Nbd7 10.0-0 e5 11.de5 de5 12.Qb3 Qc7 13.Bc3 Rfe8 14.Qc2 Rad8 15.Rad1 Nb6 16.a4 Rd7 17.g3 Red8 18.a5 Nc8 19.Qb2 e4 (better is 19...Ne8!?+=) 20.Be5+/- (20.Bf6?! Bf6 21.Qf6 ef3+=; 20.Ne4?! Ne4 21.Rd7 Qd7 22.Be4 Nd6+/-) 20...Rd2?? (better is 20...Nd6 21.Be2 Nfe8 22.Bg7 Ng7+–) 21.Bc7+– Rb2 22.Rd8 Bf8 23.Be5 (23.Be5 Nd6 24.Bb2+–) 1–0. usingprogram (2030) – alexshirov, kurnik, 2013.

7.h3 Bf3

8.gf3 c5+=.

8.Qf3 c6 9.Nc3 Qb6 10.Rb1 Nbd7 11.Be2 1–0. Pawlowski,Andrzej – Rabczewski,Adam (1895), Poland–chT13 DMP, 1999.

8.Qf3 c6 9.Nd2 Na6 10.a3 Nc7 11.Bd3 d5 12.0-0 Nd7 13.e4 Nb6 14.a4 dc4 15.Nc4 Ne6 16.e5 Nd4 17.Qe4 Ne6 18.a5 Nd5 19.Ba3 Nc3 20.Qe3 Nd5 21.Qg3 Ndf4 22.Rfd1 Qd3 23.Rd3 Ne2 24.Kh2 Ng3 25.Kg3 Rfd8 26.Rad1 Rd3 27.Rd3 Rd8 28.Rd8 Nd8 29.Bb2 Kf8 30.Bd4 a6 31.f4 Ne6 32.Be3 Nc7 33.Bc5 Ke8 34.Kf3 Nd5 35.g4 Kd7 36.f5 gf5 37.gf5 f6 38.e6 ½–½. Arno de Visser – Vittali, 1984.

8.Qf3 c6 9.Bd3 Nbd7 10.0-0 e5 11.de5 Ne5= 12.Qe2 Nd3 13.Qd3 d5 14.c5 Ne4 (14...b6 15.Nd2=) 15.Bg7 Kg7 16.Nd2 f5 17.Nf3 Qf6 18.Nd4 f4 19.ef4 Rae8 20.g3 h5 (20...b6 21.Rfd1=) 21.Kg2 h4 22.Nf3?? (better 22.Rac1+=) 22...hg3-+ 23.fg3 Qb2 24.Kg1 Ng3 25.Rfe1 (25.Rab1 Ne2 26.Kh1-+) 25...Ne2 26.Kh1 Nf4 (26...Rf4 27.Rab1 Ng3 28.Kg1 Re1 29.Re1 Qb4 30.Re7 Kf6 31.Rd7-+) 27.Qd4 Qd4 28.Nd4 Rh8 (28...Nh3?! 29.Ne6 Re6 30.Re6-/+) 29.Re8 Re8 30.Kh2 (30.b5 cb5 31.Nb5 Rc8 32.Na7 Rc5-+) 30...Re4 31.Rd1 Kf6 (better 31...Ne2 32.Nc2 Nc3-+) 32.Kg3?? (32.b5 cb5 33.Nb5 g5-+) 32...Ne2 (better 32...Rd4 33.Rd4 Ne2 34.Kf2 Nd4-+) 33.Ne2 Re2 34.Ra1 (34.Rf1 Ke6-+) 34...Rb2 35.a3 Kg5 36.h4 Kh5 37.Kf4 Rf2 38.Kg3 Re2 39.a4 (39.Kf3 Rh2-+) 39...Re3 40.Kf2 Re4 41.b5 Rh4 42.bc6 bc6 43.a5 Rc4 44.Ke3 (44.Rh1 Kg5 45.Rh7-+) 44...Rc5 45.a6 Rc4 (45...g5 46.Kd4 Rb5 47.Ke5-+) 46.Kd3 (46.Rh1 Kg4 47.Rh7-+) 46...Kg5 47.Rg1 Kf5 48.Rf1 Ke6 (48...Rf4 49.Rc1 Ke5 50.Re1 Kd6 51.Re8-+) 49.Re1 (49.Rg1 Kd6-+) 49...Kf7 (49...Re4!? 50.Rg1 Kf6 51.Rf1 Ke7 52.Rg1-+) 50.Rf1 Kg7 51.Re1 Kf6 (51...Re4 52.Rc1 Re6 53.Rb1-+) 52.Rf1 Ke5 53.Re1 (53.Rf7-+) 53...Kd6 54.Rg1 Ra4 55.Rg6 Kc5 56.Rg7 Ra6 57.Kc3 Ra3 58.Kb2 Rf3 (58...Ra4 59.Kb3 Rb4 60.Kc3-+) 59.Kc2 (59.Ra7 Kb4-+) 59...Kc4 (better 59...a5!? 60.Rg4-+) 60.Ra7 c5 61.Kd2 (61.Ra4 Kb5 62.Rg4 d4-+) 61...Kd4 62.Ke2 (62.Rh7 c4-+) 62...Rh3 63.Kf2 (63.Ra8 c4-+) 63...c4 64.Kg2 (64.Ra1 c3 65.Kg2 Rh5-+) 64...Rb3 65.Rc7 (65.Ra4 Ke3 66.Ra5 c3 67.Rd5 c2-+) 65...Kd3 66.Kf2 (66.Rf7 Rb2 67.Kg3 c3 68.Rf3 Kd2 69.Rf2 Ke1-+) 66...d4 67.Ke1 Rb2 0-1. belja (1875) - pumpicka (2030), Rated Classical game, lichess.org, 2014.

8.Qf3 Nc6 9.a3 Re8 10.Bd3 Nd7 (10...e5 11.d5 e4 12.Be4 Ne4 13.Bg7 Kg7 14.dc6 bc6=) 11.Nd2 (better is 11.Nc3!?+/-) 11...e5+= 12.Nb3? (12.b5 ed4 13.bc6–/+) 12...ed4–+ 13.0-0 Nde5 14.Qe2 Nd3 15.Qd3 Ne5 16.Qd4? (better is 16.Qc2 de3 17.fe3–/+) 16…Nf3!!–+ (16...Nf3 17.gf3 Bd4 18.Bd4 Rc8–+) 0–1. Trkn – Laraf, itsyourturn.com, 2000.

8.Qf3 Nc6 9.b5 Na5+=.

8.Qf3 Nc6 9.b5 Nb4? 10.Qe2 a5 11.a3 1–0. Fournier,Frederic (2000) – J_klix01, Active, 2007.

8.Qf3 Nc6 9.b5 Nb4? 10.Qe2 Ne4 (10...Qd7 11.a3 a5 12.ab4 ab4 13.Ra8 Ra8 14.Qd3+–) 11.a3 a6 12.ab4 ab5 13.Ra8 Qa8 14.Qc2 Nf6 15.cb5 Nd5 16.Qb3 b6 (16...Nb6 17.Nc3+–) 17.Be2 c5 (17...Nf6 18.0-0+–) 18.bc6! Qc6 19.Bf3 e6 20.Nc3 Rc8 21.Nd5 ed5 22.Bd5 Qe8 23.0-0 h6 24.b5 Rc7 (24...Bf6 25.Ra1+–) 25.Ra1 Kh7 26.Ra6 Qd8 27.Bf7 d5 (27...Re7 28.Qd5 Qd7 29.Bg8 Kh8 30.Ba3+–) 28.Bd5 Qd6 (28...Qf6 29.Bg8 Kh8 30.Be6+–) 29.Bg8 Kh8 30.Ra8 Bf8 31.Bd5 Kg7 32.Ba3 1–0. nordlicht (1940) – prawnvindaloo, GK tournament, 2011.

7.h3 Bf5

8.Bd3 Qc8 9.Qc2 Bd3 10.Qd3 c5 11.b5 Nbd7 12.a4? (12.0-0 a6=) 12...a6 (better is 12...cd4!? 13.ed4 e5–/+) 13.Nbd2= a5 14.0-0 b6 15.Rfe1 Qc7 16.d5 Ne8 17.Bg7 Ng7 18.Re2 Rae8 19.Rae1 f6 20.Nh2 Ne5 21.Qc3 Qd7 22.f4 Nf7 23.Ndf3 Nh5 24.Nf1 Ng7 (24...f5!?=) 25.Ng3+/- e5 26.Ne4 Qd8 27.Rf1 (better is 27.g4!?+=) 27...f5+= 28.Ng3 e4 ½–½. Lin,Chenxi – Selling,Edward, ch–Francophonie, 2015.

8.Bd3 Qd7 9.Nc3 Nc6? (better is 9...c5 10.bc5 Bd3 11.Qd3 dc5=) 10.e4+– Ne4 11.Be4 Be4 12.Ne4 Nb4 13.0-0 c5 14.Qd2 f5 15.Ng3 b6 16.Rfe1 Rfe8 17.a3 Na6 18.d5 Nc7 19.Bg7 Kg7 20.Ng5 e5 21.de6! Ne6 22.Ne6 Re6 23.Re6 Qe6 24.Qc3 (24.Re1!? Qf6+–) 24...Qe5+/- 25.Qe5 de5 26.Rd1 Kf6 27.Rd7 h5 28.a4 Ke6 29.Rd5 Rc8 30.Ne2 a6 31.Rd1 Rb8 32.Nc3 e4 33.Kf1 g5 34.Ke2 h4 35.Ke3 Re8 36.Nd5 Rb8 37.Rb1 Ke5 38.Rb6 f4 39.Kd2 Rg8?? 40.Ra6+– Kd4 41.Nb6 e3 42.Ke2 g4 43.Ra7 gh3 44.fe3 fe3 45.Rd7 Ke4 46.Re7 Kd4 47.Rd7 Ke4 48.Re7 Kd4 ½–½. Sandercock,E Barry – Kuenitz,Klaus (1730), Gibraltar Amateur op week2, 2007.

6.Be2 a5

7.0-0 ab4+= 8.d4 Ne4 9.Qb3 c5 10.dc5 Nc5 11.Qb4 Nc6 12.Qd2 Ne4 13.Qc2 Nf6 14.Nc3 Qa5 15.Rfc1 Bf5 16.Bd3?? (better is 16.Qb3=) 16...Nb4–+ 17.Qd2 (17.Bf5 Nc2 18.Bc2–+) 17...Nd3 (17...Bd3?! 18.a3 Bc4 19.Nd1–+) 18.Nd4 Nb2 19.Qb2 Bc8 20.Ncb5 Ne4 21.Nb3 Qb6 22.Qc2 Ba1 23.Ra1 Nc5 24.N3d4 Bf5! 25.Nf5 gf5 26.Qf5 f6 27.Qg4 Kh8 28.Qd4 Rg8 29.g3 Qc6 30.Nc3 Nb3! 31.Qd1 Na1 32.Qa1 Qc4 33.Qe1 Rgc8 34.Ne2 Qa2 (34...Qa2 35.Nd4 e5–+) 0–1. Fournier,Frederic (2080) – batablanca (1945), Echecs21 (5/2), 2003

7.a3 b6 8.0-0 (8.Nc3 ab4 9.ab4 Ra1 10.Qa1 Na6=) 8...Bb7 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Nc3 Nbd7 10.d4 Ne4 11.Qc2 Ndf6 12.Ne4 (12.d5 Nc3 13.Bc3 ab4 14.ab4 Qd7+=) 12...Be4= 13.Qb3 (13.Bd3 Bd3 14.Qd3 Qd7=) 13...Bb7 (13...e6 14.Nd2=) 14.Rfd1 (14.d5 Qd7=) 14...Qd7 15.Nd2 e6 (15...d5 16.Qc2=) 16.Qc2 Qe7 (16...d5 17.b5=) 17.Bc3 ab4 (17...a4 18.h3+=) 18.ab4 e5 (18...c5 19.bc5 bc5 20.dc5 dc5 21.Qb2+=) 19.d5 (19.Ra8 Ba8 20.d5 Rc8+=) 19...Nd7 (19...Rfc8 20.Bf3+=) 20.b5 (20.e4 c5+=) 20...f5 (20...Nc5 21.e4=) 21.Nb3 (21.e4 Qf7=) 21...e4 (21...Qh4 22.h3=) 22.Qb2 (22.Bg7 Qg7 23.Nd4 Nc5=) 22...Bc3 (22...Be5 23.h3=) 23.Qc3+= Qg7 (23...Nc5 24.Nd4=) 24.Qg7 (24.Nd4!?+=) 24...Kg7= 25.h4 Kf6 26.g3 (26.Kh2 h6=) 26...Ke7 (26...Ke5 27.Kg2=) 27.Ra8 Ra8 28.Ra1 Ra1 29.Na1 Nc5 30.Kf1 h6 31.Ke1 Bc8 32.Nc2 Kf6 33.Nb4 g5 34.hg5 hg5 35.Kd2 g4 36.Bf1 Bb7 37.Be2 Ke7 38.Bf1 Nd7 39.Nc2 Ne5 40.Be2 Bc8 41.Nb4 Bd7 42.Na6 Kd8 43.Nb4 Nf7 44.Nc2 Ne5 ½–½. Bellin,Robert (2340) – Visakh,NR (2455), chess.com IoM Masters, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Be2 d6 6.c4 a5)

7.a3 c5 8.b5 e5 9.0-0 e4 10.Ne1 Be6 11.f3 d5 12.cd5 Bd5 13.fe4 Be4 14.Nc3 Bf5 15.Bf3 Qd7 16.a4 Rd8 17.Ba3 Qd2 18.Qd2 Rd2 19.Bb7 (worse is 19.Bc5 Nfd7 20.Bb7 Bc3–/+) 19...Ra7 20.Bf3 Ne4 (better is 20...Nbd7=) 21.Ne4+/- Be4 22.Rc1 (22.Be4?! Ba1 23.Nf3 Ra2 24.Bc5 Rd7=; 22.Bc5?! Rc7 23.Bb6 Rc4 24.Ba5 Ba1 25.Bd2 Ra4 26.Be4 Re4+–) 22...Bf3 23.Nf3 Ra2 24.Bc5 Rb7 25.Bd6 Nd7 26.Rc8 Nf8 27.Rd1 Rd7 28.Ne5?? Be5?? 29.Rf8+– Kg7 30.Be5 Kf8 31.Rd7 Ra4 32.Bf6 (32.Bf6 Re4 33.b6 Re3 34.Rd8 Re8 35.b7 Rd8 36.Bd8+–) 1–0. orangutanb4 (2000) – chessgenius86 (1715), kurnik, 2011.

7.a3 Nc6 8.b5 Nb8 9.0-0 b6 10.h3 e5 11.d4 Nfd7 12.de5 de5 13.Qd5 Ra7 14.Rd1 Bb7 15.Qd2 Qe7 16.Nc3 Qe6 17.Nd5 Bc8 18.e4 h6 19.Nh2 Nc5 20.Qc2 h5 21.a4 Nbd7 22.Ba3 f5 23.Bc5 Nc5 24.ef5 Rf5 25.Ra3 Qf7 (25...e4 26.Re3=) 26.Rf3 (better is 26.Ne3 Qf6 27.Nf5 Bf5 28.Qd2+–) 26...e4= 27.Rf5 Bf5 (worse is 27...gf5 28.Nf4 Qe7 29.Bh5+/-) 28.Qa2 Ra8 29.f3 Re8 30.fe4 Be4 31.Bf3 Bf5 32.Nf1 Bh3 33.Nb6?? (better is 33.Nc7 Qc7 34.gh3+=) 33...cb6–+ 34.Bd5 Be6 35.Ne3 Bd5 36.Nd5 Ne4 37.Rf1 Bd4 (37...Bd4 38.Ne3 Be3 39.Qf2 Bf2 40.Rf2 Qf2 41.Kh2 Qg3 42.Kg1 Rd8 43.c5 Rd1) 0–1. Ruhle,Ernst Albrecht – Keller,Max (1620), Weggis Seniors op, 2003.

7.a3 Nbd7 8.0-0 c5 9.b5 b6 10.d4 Ne4 11.Qc2 Ndf6 12.d5 e5 (better is 12...e6!?=) 13.Bd3+/- Bf5 14.Nh4 Ng4 15.Nf5 (15.Be4 Qh4 16.h3 Ne3 17.fe3 Qe4–/+) 15...gf5 16.h3 Nh6 17.Be4 fe4 18.Qe4 f5 19.Qc2 Qh4 20.Nd2 Ra7 21.e4 f4 22.Nf3 Qh5 23.Qe2 Bf6 24.Nd4 Qe2 25.Ne2 Rg7 26.Kh2 Nf7 (26...Bg5 27.Ng1+/-) 27.Nf4!+– ef4 (27...Ng5 28.Ne6 Ne6 29.de6+–) 28.Bf6 Rg6 29.Bc3 f3 30.g3 (30.gf3 Ng5 31.Rae1 Nf3 32.Kh1 Ne1 33.Be1 Rf3–/+) 30...Ng5 (30...Rg5 31.Rfe1+–) 31.Rae1 Rh6 32.h4 Nf7 33.e5 de5 34.Be5 1–0. Jaracz,Pawel – Poznanska,Katarzyna, XXII Memorial A.Anderssena – Eliminacje Poland, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

7.b5 a4 8.a3 e5 9.Nc3 h6 10.Na4 Be6 11.Nc3 Nbd7 12.d4 Nh5 13.0-0 f5 14.de5 de5 15.Nd5 Nhf6 16.Nf6 Bf6 17.Qc2 g5 18.Rfd1 Qe7 19.a4 g4 20.Nd2 Kh8? (better is 20...Rfd8+/-) 21.Ba3+– Nc5 22.Nb3 b6 23.Nc5 bc5 24.e4 f4 25.Rd5! Bd5 26.cd5 f3 27.Bc5 Qg7 28.Bf8 Rf8 29.Bf1 fg2 30.Bg2 Bg5 31.a5 Bf4 32.a6 Qg5 33.a7 Qh4 34.a8Q Bh2 35.Kf1 Qf6 36.Qf8! Qf8 37.Qc7 Bg3 38.f3! gf3 39.Bh3 (39.Bh3 Qe8 40.Qc6 Qc6 41.bc6 Bf4 42.c7 Kg7 43.c8Q Bg5 44.Ra7 Be7 45.Qf5 Kg8 46.Re7 h5 47.Qc8) 1–0. carocan (1900) – koziolekmat (1765), kurnik, 2011.

7.b5 Bd7 8.Nc3 (8.0-0 c5=) 8...c6 (8...e5 9.d4 ed4 10.Nd4=) 9.0-0+= cb5 10.cb5 b6 (10...Bf5 11.Nd4+=) 11.Rc1 Be6 (11...Bf5 12.Nd4+=) 12.a4 (12.Nd4 Bd7+/-) 12...Nbd7 (12...Qd7 13.d4+=) 13.d4 (13.Nd4 Rc8+/-) 13...Rc8+= 14.h3 (14.e4 d5 15.e5 Ne4+=) 14...Nd5 (14...Bf5 15.Bd3+=) 15.e4 Nc3 16.Rc3 Rc3 17.Bc3 Qc7 (17...f5 18.Ng5 Ba2 19.Qc2+–) 18.Bd2 (18.Qd3 Bb3+=) 18...Bc4 (18...d5 19.e5+=) 19.Be3 (19.Bg5 Nf6 20.Bc4 Qc4+=) 19...Be2 (19...d5 20.Bc4 Qc4 21.Nd2+=) 20.Qe2 Rc8 (20...Qb7 21.Bg5+=) 21.Rc1+/- Qd8 22.Rc4 e5 23.Qc2 Rc4 24.Qc4 ed4 25.Nd4 Nc5 26.Nc6 Qe8 27.Bc5 dc5 28.Qd5 Qe6? 29.Qd8+/- Bf8 30.Qb6 c4 31.Qa5+– Qf6? 32.e5 Qf4 33.Qe1 Bc5 34.e6 fe6 35.Qe6 Qf7 36.Qf7 Kf7 37.Ne5 Ke6 38.Nc4 Kd5 39.Ne3 Kd4 40.a5 Bd6 41.a6 Bc5 42.g4 h5 43.Kg2 Bb6 44.gh5 gh5 45.Kg3 Kc5 46.f4 Kb5 47.Nd5 Bc5 48.Kh4 Ka6 49.Kh5 Kb5 50.Kg6 Kc6 51.Nf6 Bd4 52.h4 Kd6 53.h5 Ke6 54.f5 Ke7 55.Ng4 Kf8 56.f6 Kg8 57.Nh6 Kf8 58.Nf5 Bc3 59.h6 Bf6 60.Kf6 Kg8 61.Kg6 Kh8 1–0. Lantzsch,Christian – Binder,Martin, Rheinhessen–ch H2 op, 1997.

7.b5 Nbd7 8.0-0 e5 9.d4 Re8 10.Nc3 Qe7 (10...ed4 11.ed4 d5 12.Ne5=) 11.Qc2+= h5 (11...ed4 12.ed4 Nb6 13.Rae1+=) 12.Rae1 Ng4 13.Nd2 Qh4 (13...Nb6 14.h3 Bf5 15.e4 ed4 16.Nd5 Nd5 17.cd5 Be4 A) worse 18.Qe4 Qe4 19.Ne4 Re4 20.Bg4 Re1 21.Re1 hg4-/+; B) 18.Ne4?! Qe4 19.Qc7 d3 20.Bd3 Qd3 21.Bg7 B1) worse 21...Qb5 22.Re8 (22.hg4?! Kg7 23.Qc3 Kg8=) 22...Re8 23.Bc3+/- (worse 23.hg4 Kg7 24.gh5 Qd5=+; worse 23.Qd6 Kg7 24.hg4 hg4=+); B2) 21...Kg7 22.hg4 Re1 23.Re1 Qd5=; C) 18.Qc1 Nf2 19.Kf2=) 14.Bg4 (14.h3 ed4 15.Nf3 Qd8 16.ed4 Ngf6+/-) 14...hg4+= 15.Qe4 (better 15.Nd5!? Qd8 16.Qa4+=) 15...Nf6=+ 16.Qc2 Qh5 (16...ed4!? 17.ed4 Bf5=+) 17.Nd5 (17.de5 Re5 (17...Qe5? 18.Nd5 Qb2 19.Qb2 Nd5 20.Qc2+-; worse 17...de5 18.Nd5 Nd5 19.cd5+=) 18.Nce4 Ne4 19.Ne4 Re4 20.Bg7 Bf5+=) 17...Nd5= 18.cd5 Re7 (18...ed4 19.Qc7 Qd5 20.Bd4=) 19.de5+= Be5 20.Be5 Qe5 21.e4 Bd7 22.Nc4 (22.a4 f6 23.Nc4 Qh5+/-) 22...Qg5 (22...Qd4 23.Na3 Rc8 24.Re3+=) 23.a4 b6 (23...Qf4 24.Re3+/-) 24.Ne3 (24.Re3!?+/-) 24...Rae8+= 25.Nc4 (25.Qc7 Bb5 26.Qb6 Bf1 27.Nf1 Re4 28.Re4 Re4 29.Qa5 Rd4-/+) 25...Kg7 (25...Ra8 26.Nd2+/-) 26.Qc3 Qf6 27.e5 (27.Qd3 Qh4+=) 27...de5= 28.d6 (better 28.f3 gf3 29.Rf3+=) 28...Bf5?? (better 28...cd6 29.Nb6 Rh8=) 29.de7+- Re7 (29...e4 30.Qg3 Re7 31.Rd1+-) 30.Ne5 Re5 (30...Bd7 31.Re3+-) 31.Qe5 (31.Re5!? Bc2+-) 31...Qe5 (31...Bd3 32.Qf6 Kf6 33.Rc1 Bf1 34.Kf1+-) 32.Re5 Be6 (32...Kf6 33.Re3 Bc2 34.Ra1+-) 33.Rf5! (33.Rf5 gf5 34.Rb1+/-) 1-0. negrovich1 (2010) - igo1 (2120), Rated Bullet game, lichess.org, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

7.a3 ab4 8.ab4 Ra1

9.Ba1 c5 10.Qb3 Nc6 11.b5 Na5 12.Qa4 b6 13.0-0 d5 (13...Bb7 14.d3=) 14.d3 dc4 15.dc4 Be6 16.Rd1 Qc7 17.Nbd2 Rd8 18.Be5 Qb7 19.Qc2 (19.Bc3 Bf5+=) 19...h6 20.Rc1 (20.Bd3 Qd7 21.Ne1 Nb7+=) 20...Bf5= 21.Qa4 (21.Qb2 Qc8+=) 21...Ne4 (21...Qc8 22.Bc3=) 22.Bg7 (22.Ne4 Be4 (worse 22...Qe4 23.Bc7 Rd7 24.Bb6+/-) 23.Bg7 Kg7+=) 22...Kg7= 23.Nb3 Nb3 24.Qb3 Nd2?? (better 24...Qc7=) 25.Qb2 f6 26.Nd2 Qd7 27.Nf3 Qe6 28.h3 g5 29.Qc3 h5 Black plans g4 (29...g4 30.hg4 Bg4 31.Ra1+-) 30.Rd1 (30.Ng5 Qg8 31.Nf3 Kh8+-) 30...Ra8 (30...Rd1 31.Bd1 g4 32.hg4 hg4 33.Nd2+-) 31.Bd3 (31.Ng5 Qg8+-) 31...Rd8 (31...Bd3 32.Qd3 Ra4+-) 32.Be2 (better 32.Ng5 Qg8 33.e4 Bg6+-) 32...Rd1?? (32...Ra8 33.Ng5 Qg8+-) 33.Bd1+- g4 34.hg4 hg4 35.Nh4 Bh7 (35...Be4 36.f3 gf3 37.Bf3+-) 36.Bc2 Qd6 (36...Be4 37.Bd3+-) 37.Bh7 Kh7 (37...Qd1 38.Kh2 Kh7 39.Nf5+-) 38.Qc2 Kg8 39.Qg6 Kf8 40.Nf5 Qd1 41.Kh2 Qd7 1-0. pacal56 (2240) - mecker (2155), Rated Blitz game, lichess.org, 2014.

9.Ba1 c6 10.0-0 Na6 11.b5 cb5 12.cb5 Nc5 13.d4 Nce4 14.Ne1 (14.Nc3 Bf5=) 14...d5 (14...Qa5 15.Nc2 d5 16.f3–/+) 15.f3 (15.Qb3 Bd7+=) 15...Nd6 (15...Qa5 16.Bb2 Nd6 17.Qb3–/+) 16.Nc3 Bd7 (16...Be6 17.Nd3+=) 17.Qb3 (17.Nd3 Nc4 18.Qc1 Qc7+=) 17...Qa5 Increasing the pressure on the isolated pawn on b5 (17...Be6 18.Nc2–/+) 18.Bb2+= Rc8 19.Nc2 (19.Nd3 Bb5 20.Nb5 Qb5 21.Qb5 Nb5+=) 19...Qb6 (19...Bh6 20.Bd3+=) 20.Nb4 d5 becomes the focus of attention (20.Ra1 Bh6+=) 20...e6+= 21.Nd3 (21.Na4 Qa5 22.Nc5 Bb5–/+) 21...Nc4 (21...Nb5? 22.Nc5+–; 21...Bb5? 22.Nc5 Nc4 23.Bc4 dc4 24.Qb5 Qb5 25.Nb5+–) 22.Nc5? (better is 22.Bc1+=) 22...Nd2–+ 23.Qb4 Nf1 24.Bf1 Bf8 (24...Qd6 25.Qa5 b6 26.Qa6–+) 25.N3a4 (25.Qb3 Bh6 (25...Bc5?! 26.Na4 Qc7 27.dc5+=) 26.Kf2 Qd6–+) 25...Qd8 (25...Qc7 26.b6 Qd6 27.Bb5–+) 26.Qb3 b6 (26...Qc7 27.g3–+) 27.Nd3 Ne8 (27...Qc7!? 28.Ne5–+) 28.Ne5–/+ Rb8 29.e4 de4 30.fe4 (30.d5 ed5 31.fe4 Ra8 32.ed5 Bg7–/+) 30...Bg7 31.Nc4? (31.Bd3 Qc7–/+) 31...Nc7 (better is 31...Bb5!? 32.Qb5 Nc7 33.Qc6–+) 32.Nd6 (better is 32.Ne5–+) 32...Ne8 33.Nc4 Nc7 (better is 33...Bb5!? 34.Qb5 Nc7 35.Qc6–+) 34.Nd6 (34.Ncb6? Nb5 35.Nd7 Qd7–+) 34...Ne8?? (better is 34...Qg5–+) 35.Nc4= ½–½. Guramishvili,Sopiko (2355) – Harika,Dronavalli (2535), WCh Women, 2017. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0 6.Be2 a5 7.a3 ab4 8.ab4 Ra1)

9.Ba1 c6 10.0-0 Qb6 11.Bc3 Na6 12.Qb3 e5 13.d3 h6 14.Nbd2 Be6 15.Qb2 c5 16.b5 Nc7 17.Ra1 Ra8 18.d4 ed4 19.ed4 cd4 20.Bd4 Nfe8 21.Ne4 Bd4 22.Nd4 Ra1 23.Qa1 Bc4 24.Bc4 d5 25.Bd5 Nd5 26.g3 Ndc7 27.Qa4 Kh7 28.Kg2 Nf6 29.Nf6 Qf6 30.Qc4 Qe7 31.Nf3 Ne8 32.Qd5 Nf6 33.Qd4 Qe6 34.Ne5 Kg7 35.Qb2 Kg8 36.Qd4 Qd5 ½–½. Csom,Istvan (2520) – Kaposztas,Miklos (2280), HUN–chT Hungary, 1993. (=1.Nf3 g6 2.c4 Nf6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

9.Ba1 Nc6 10.b5 Nb8 11.0-0 Be6 12.d4 Nbd7 13.Nc3 Qa8 (13...Nb6 14.Qb3+=) 14.Bb2 (14.Ng5 Nb6 15.Ne6 fe6+/-) 14...Qa5 15.Qb3 c6 16.Ra1 Qc7 17.h3 Rb8 (17...Bf5 18.g4 Be6 19.Ng5+/-) 18.g4 (18.Ng5 Nf8+/-) 18...h6 19.e4 (19.g5 Nh7 20.gh6 Bh6+=) 19...Kh7 (19...Nb6 20.Nd2+=) 20.d5 (20.Bf1 Nb6 21.g5 Nfd7+=) 20...Nc5 21.Qc2 (21.Qb4 Bc8+=) 21...Bd7= 22.g5 Nh5 23.gh6 Bh6 24.h4 Nf4 25.Ng5 Kg8 26.Bf3 (26.Ra3 Rc8=) 26...Bg5 (26...f6!? 27.Ne6 Nce6 28.de6 Be6-/+) 27.hg5=+ Nh3 (27...Ncd3 28.Ne2 Nh3 29.Kg2 Nb2 30.Qb2 cb5 31.cb5=+) 28.Kg2 (28.Kh2 Ng5 29.Bg2 e5=) 28...Ng5 (28...Nd3 29.Ne2 Nb2 30.Qb2 cd5 A) worse 31.ed5 Qc4 (31...Ng5?! 32.Rh1 f6 33.Rh4=+) 32.b6 Ng5-+; B) 31.cd5=+) 29.Rh1= Nf3 30.Kf3 f6 31.Qd2 Kf7?? (better 31...g5=) 32.Rh7+- Ke8 33.Rh8 Kf7 34.Rh7 Ke8 35.Qh6 (better 35.b6 Bg4 36.Kg4 Qc8 37.Kf3+-) 35...Kd8+/- 36.Rh8 Be8 37.Qg6 Qd7 38.Ba3 (38.Ke3+/-) 38...Kc7?? (better 38...Nd3 39.Bd6 ed6 40.Qf6 Qe7 41.Qe7 Ke7 42.dc6 bc6 43.bc6 Ne5 44.Kg2 Nc6 45.Nd5 Kf7 46.Rh7 Kg6=+) 39.Qg3 f5?? (39...Nd3 40.c5 Ne5 41.Ke2 Ra8 42.bc6 bc6 43.cd6 ed6+=) 40.Bc5+- fe4 41.Ne4 (better 41.Ke3 Ra8+-) 41...Qf5 (41...cd5 42.cd5 b6+-) 42.Ke3 Bg6 (42...Rd8 43.b6 Kc8+-) 43.Bd6! Kb6 (43...ed6 44.Qd6 Mate attack) 44.c5 (44.Bc7 Ka7 45.Bb8 Ka8 46.Bd6 Be8 47.Re8 Qc8 48.Rc8 Ka7 49.Bc5 b6 50.Qc7) 44...Kb5 (44...Ka5 45.Bc7 (45.Bb8?! Qe4 46.Kd2 Qc2 47.Ke1 Qc1 48.Ke2 Qc4 49.Kd1 Qc2 50.Ke1 Qc1 51.Ke2 Qc4 52.Ke1 Qc1=; 45.Rb8 Qe4 46.Kd2 Qc2 47.Ke1 Qc1 48.Ke2 Qc4 49.Kd1 Qc2 50.Ke1 Qc1 51.Ke2 Qc4 52.Ke1 Qc1=) 45...Kb5 46.Qh4 (46.Bb8?! Qe4 47.Kd2 Qc2 48.Ke1 Qc1 49.Ke2 Qc4 50.Kd1 Qc2 51.Ke1 Qc1 52.Ke2 Qc4 53.Ke1 Qc1=) 46...Qe4 47.Qe4 Be4 48.Rb8 cd5 49.Bb6+-) 45.Rh4 (45.Bb8?! Qe4 46.Kd2 Qc2 47.Ke1 Qc1 48.Ke2 Qc4 49.Kd1 Qc2 50.Ke1 Qc1 51.Ke2 Qc4 52.Ke1 Qc1=) 45...ed6 (45...cd5 46.Bb8 de4+-) 46.Nd6 Kc5 47.Nf5 Bf5 48.Qb8 (48.Qb8 Bc2 49.Qf8 Kb6 50.Rb4 Ka7 51.Qg7 Ka6 52.Qb7 Ka5 53.Qb6) 1-0. banjoband (2065) - Piquro (2095), Rated Blitz game, lichess.org, 2014.

9.Ba1 e5 10.0-0 Na6 (10...e4 11.Nd4=) 11.Qb3 (11.b5 Nc5=) 11...Be6 (11...Qe7 12.d4=) 12.d4+= ed4 13.Nd4 Bg4 (13...c5 14.bc5 Nc5 15.Qb4+=) 14.Bg4+= Ng4 15.h3 (15.Nc3 Ne5=) 15...Ne5= 16.Rd1 c5 17.b5 cd4 18.ed4 Nc4 19.ba6 (19.Qc4?! d5 20.Qd3 Nc7=) 19...Na5 20.Qd5 b6 (20...Qc7!? 21.Bc3 Nc6 22.ab7 Rb8=) 21.Nc3+/- Qa8 22.Qb5 Nc6 (22...Qa7 23.Nd5 Ra8 24.Qb4+– (24.Nb6?! Qa6 25.Qd5 Ra7 26.Qd6 Bf8=)) 23.Nd5 Nb8 24.Nb4 Qa7 25.d5 Rc8 26.Nc6 Nc6 27.dc6 Qc7 28.Bg7 Kg7 29.Ra1 Ra8 30.Qd5 Ra7 31.g4 h6 32.Qc4 Kh7 33.Ra2 Qb8 34.Rb2 Qc7 35.Qb5 Qc8 36.Ra2 Qc7 37.Ra1 Qd8 38.Rb1+/- Qc8 39.Qb6 Qa6 40.Qd4 Qa2 41.Rc1 Qa3 42.Rc2 Rc7+= 43.Kg2 Qb3 44.Qd6+/- Ra7 45.Re2 Qc4 46.Re8 Ra1= 47.Kg3 Rg1 48.Kf3 Rc1 49.Re7 Qc6 50.Qc6+/- Rc6 51.Rf7 Kg8 52.Re7 Rc3 53.Kg2 g5 54.Re3 Rc4 55.Kg3 Kg7 56.f3 Rc1 57.h4 Rc2 58.Re7 Kf6 59.Ra7 Rc6 60.h5 Ke5 61.Rf7 Ke6 62.Rf5 Rb6 63.Kf2 Rb3 64.Rf8 Ke5 65.Re8 Kd5 66.Kg3 Rb6 67.Re3 Kd4 68.Re8 Kd5 69.Rf8 Ke6 70.Kf2 Ke5 71.Ke3 Rb3 72.Ke2 Ra3 73.Re8 Kf4+= 74.Rf8 Kg3 75.Rf6+/- Rb3 76.Rf5 Ra3 77.Rf7 Rb3 78.Rf6 Ra3 79.Rh6+/- Rf3 80.Re6 Rf2 81.Ke1 Rf4 82.h6 Rf8 83.h7= Kg4 84.Rh6+= ½–½. Gelashvili,T (2600) – Grivas,E (2505), Acropolis Open, Athens GRE, 2007. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.Be2 d6 6.c4 a5)

9.Ba1 e5 10.0-0 b6 11.d3 Bb7 12.Nc3 Nbd7 13.Qc2 Re8 (13...Qe7 14.Bb2=) 14.Nd2 h5 (14...Qe7 15.Bf3 Bf3 16.Nf3=) 15.Bb2+= Nf8 16.Bf3 Bf3 17.Nf3 Ne6 18.Nd5 (18.Ra1 Qb8+=) 18...c6 19.Nf6 (19.Nc3 Qc7+=) 19...Bf6= 20.Ra1 Nc7 (20...Qd7 21.Bc3=) 21.h3+= g5 (21...Ne6 22.Ra7+=) 22.d4+/- g4 (22...e4 23.Nd2 d5 24.b5+=) 23.de5 de5 24.hg4 hg4 25.Nh2 g3 26.Ng4 gf2 27.Qf2 Bg7 28.Rf1 Qe7 (28...f5 29.Qf5 Rf8 30.Qc2 Rf1 31.Kf1+/-) 29.e4 (better 29.Qg3 Qg5 30.Rf5+/-) 29...Rf8?? (29...Ne6 30.Be5 Be5 31.Ne5 Ng5+-) 30.Qg3+- Ra8?? (30...Qg5 31.Be5 Ne6+-) 31.Nh6 Kf8 32.Nf5 Qf6 33.Qg7 Qg7 34.Ng7 Ra4 35.Be5 Na6 (35...Ne8 36.Ne8 Ke8 37.Bd6+-) 36.Nf5 Nb4 (36...f6 37.Bf6 Kf7 38.Bc3 Nb4 39.Rd1+-) 37.Rd1 f6 (37...Ke8 38.Bc7 Ra8 39.Bb6+-) 38.Bf6 (38.Rd8 Kf7 39.Rd7 Ke8 40.Re7 Kf8 41.Bf6 Nd3 42.Nd6 Ra1 43.Kh2 Rh1 44.Kh1 Nf2 45.Kg1 Kg8 46.Rg7 Kf8 47.Rh7 Nh3 48.gh3 b5 49.Rh8) 38...Kf7 39.Bc3 Na2 (39...Ke8+-) 40.Rd7 Ke8 41.Re7 Kf8 42.Bg7 Kg8 43.Bf6 Rc4 (43...Nc3 44.e5 Ra1 45.Kh2 Ne4 46.Rg7 Kf8 47.Be7 Ke8 48.e6 Rh1 49.Kh1 Nf2 50.Kg1 Nh3 51.gh3 b5 52.Nd6) 44.e5 b5 (44...Rc1 45.Kh2 Re1 46.Re8 Kf7 47.Nd6 Kg6 48.Rg8 Kh5 49.g4 Kh6 50.Nf7 Kh7 51.Rg7) 45.Nh6 Kf8 46.Nf5 (46.Rd7 Rc1 47.Kh2 Rh1 48.Kh1 b4 49.Rd8) 46...Re4?? (46...Kg8 47.Rg7 Kf8 48.e6 Rc1 49.Kh2 Rh1 50.Kh1 b4 51.Nd6 b3 52.e7) 47.Nd6 Re5 (47...Kg8 48.Re8 Kh7 49.Rh8 Kg6 50.Rg8 Kh6 51.Nf5 Kh7 52.Rg7 Kh8 53.Rf7 Kg8 54.Nh6) 48.Re5 (48.Re5 Kg8 49.Rh5 Nc3 50.Rh8; 48.Be5?! Ke7 49.Ne4 Ke6+/-) 1-0. Zajic,Milan (2505) - Krylov,I (2445), 1st University Chess Cup, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

9.Ba1 e5 10.d3 Nc6 11.b5 Ne7 12.0-0 Nd7 13.Nc3 h6 14.Qc2 f5 15.Bb2 Nf6 16.Ra1 g5 17.Ra8 Ng6 18.Nd5 c6 19.Nf6 Qf6 20.Nd2 Be6 21.Qa4 Ne7 22.Qa5 Ra8 23.Qa8 Bc8 24.Qb8 Kh7 25.Qc7 Qe6 26.Ba3 c5 27.Bf3 e4 28.de4 Qe5 29.ef5 Bf5 30.g4 Bd3 31.Qb7 Ng6= 32.Be4 Qa1 33.Kg2 Be4 34.Qe4 Qa3 35.b6 Qb2 36.b7 Be5 37.Nf3+/- d5 38.Qd5 Bb8 39.h3 Qg7= 40.Nd2 Qc7 41.Ne4 Nh4? 42.Kf1+– Qg7 43.Nc5 Qa1 44.Ke2 Qa2 45.Qd2 Qc4 46.Qd3 Qd3 47.Kd3 Nf3 48.Na6 Bd6 49.b8Q Bb8 50.Nb8 Ng1 51.f4 Nh3 52.Ke4 gf4 53.ef4 Kg6 54.Nd7 Ng5 55.Ke5 Nf7 56.Ke6 Ng5 57.fg5 Kg5 58.Nf6 Kg6 59.Ne4 h5 60.g5 h4 61.Ke5 h3 62.Kf4 h2 63.Ng3 Kg7 64.Kf5 Kf7 65.g6 Kg7 66.Kg5 Kf8 67.Kf6 Kg8 68.g7 (68.g7 h1Q 69.Nh1 Kh7 70.Kf7 Kh6 71.g8Q Kh5 72.Ng3 Kh4 73.Nf5 Kh5 74.Qg6#) 1–0. Stippekohl,Peter (2245) – Didzuhn,Werner, Oberliga Nord O, 1992. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

9.Ba1 e6 10.0-0 e5 11.d4 e4 12.Nfd2 Re8 13.Nc3 Nc6 14.b5 Nb4 15.Qb1 Nd3 16.Bd3 ed3 17.Qd3 Nh5 18.Nce4 Qh4 19.Ng3 Ng3 20.hg3 Bf5 21.Qe2 Qe7 22.d5 Qf8 23.Bg7 Qg7 24.Nf3 Qf6 25.Qd2 g5 26.Nd4 Bg6 27.Qa2 Qd8 28.Qa7 Qc8 29.Ra1 g4 30.Nb3 h6 31.Na5 b6 32.Nc6 Kh7 33.Qa6 Kg7 34.Qc8 Rc8 35.Ra7 Kf6 36.Ra4 h5 37.Kf1 Bd3 38.Ke1 Be4 39.Kf1 Rh8 40.Nd4 Bd3 41.Ke1 Bg6 42.Kd2 h4 43.gh4 Rh4 44.g3 Rh1 45.Ra7 Rf1 46.Ke2 Rb1 47.Rc7 Rb4 48.f4 Rb2 49.Ke1 Rb1 50.Kd2 Rb4 51.Rc6 Rb2 52.Kc3 Rg2 53.Rd6 Kg7 54.f5 Bh7 55.f6 Kg6 56.Rb6 Rg3 57.Nc2 Kg5 58.Rb7 Kf6 59.b6 Bc2 60.Kc2 Rg2 61.Kd3 Ra2 62.d6 g3 63.d7 Ra8 64.Ra7 Rb8 65.c5 Ke7 66.d8Q Kd8 67.Rf7 Ke8 68.Rg7 Kf8 69.Rg3 Re8 70.Kc4 Ke7 71.Kb5 Rh8 72.c6 Rh5 73.Ka6 Rf5 74.c7 Rc5 75.Rg7 Kf8 76.Rd7 Rc2 77.Rd8 Kg7 78.c8Q Ra2 79.Kb7 Rb2 80.Rg8 Kf7 81.Qe8 Kf6 82.Rg6 Kf5 83.Qf7 Ke4 84.Qf4 Kd3 85.Rd6 Kc3 86.Qd4 Kb3 87.Qd3 Ka2 88.Rc6 Rf2 89.Rc2 Rc2 90.Qc2 Ka1 91.Qc3 Ka2 92.e4 Kb1 93.e5 Ka2 94.e6 Kb1 95.e7 Ka2 96.e8Q Kb1 97.Qee1 Ka2 98.Qea1 1–0. Adamkosh – lichess AI level 6, lichess.org, 2020.

7.a3 e5

8.0-0 ab4 9.ab4 Ra1 10.Ba1 Nc6 11.b5 Ne7 12.Nc3 c6 13.d3 Bf5 14.c5 Qc7 15.b6 Qb8 16.Na4 Nd7 17.h3 (17.d4 ed4 18.cd6 Qd6 19.Nd4 Ra8 20.Nf5 Nf5 21.Bg7 Kg7+=) 17...dc5 18.Nd2 Nc8 19.Nc4 Be6 20.Qb3 Bc4 21.dc4 Qd6 22.Bb2 e4 23.Rd1 Qe7 24.Bg7 Kg7 25.f3 h5 26.fe4 Ne5 27.Qc3 Kh6 28.Qa5 Nd7 29.e5 f6 30.e4 Rf7 31.e6 Qe6 32.Nc5 Nc5 33.Qc5 Qe4 34.Bf3 Qe8 35.Qd4 Re7 36.Qf6 Re1 (better is 36...Nb6!? 37.Qc3 Nd7=) 37.Re1+/- Qe1 38.Kh2 Qe7?? (better is 38...Ne7+=) 39.Qh8+– Kg5 40.Qc8 Qe5 41.g3 Qb2 42.Bg2 Qb6 (42...h4 43.gh4 Kh6 44.Qf8 Kh7 45.Qe7 Kh6 46.Qg5 Kh7+–) 43.Qf8 Qe3 (43...Qd4 44.h4 Qh4 45.gh4 Kg4 46.Qf3 Kh4 47.Qf4) 44.h4 Kg4 45.Bh3 1–0. Goumas,G (2295) – Malmberg,M (2090), 3rd Open, Paleochora GRE, 2010. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0 6.Be2 a5)

8.d3 Nbd7 9.Nc3 Re8 10.Qc2 c6 11.0-0 Nf8 12.Rad1 d5 13.cd5 Nd5 14.Nd5 cd5 15.Rc1 Re7 16.ba5 Qa5 17.Qc5 Qd8 18.Rc2 Bf5 19.Rfc1 Rc8 20.Qb5 Rcc7 21.Rc7 Rc7 22.Rc5 (22.Be5?? Rc1 23.Bf1 Be5 24.Ne5 Qc7–+) 22...Rc5 23.Qc5 Ne6 24.Qb5 e4 25.Ne1 Bb2 26.Qb2 ed3 27.Nd3 d4 28.ed4 Qd4 29.Qd4 Nd4 30.Kf1 Kf8 31.Nb4 Ne2 32.Ke2 Ke7 33.Ke3 Kd6 ½–½. Ribitzki,M – Rietz,A, DDR ch district, 1983. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

8.d3 Re8 9.0-0 c6 (9...Bf5 10.Nc3=) 10.Nbd2= Nbd7 11.Bc3 d5 Black prepares the advance e4 12.ba5 (12.Qc2 a4+=) 12...e4 (12...c5 13.Nb3=) 13.de4+= de4 14.Nd4 Nc5 15.a4 Qc7 16.N2b3 Nfd7 17.Qb1 Be5 18.h3 Qd8 19.Rd1 Qg5 (19...Nb3 20.Qb3 Nc5+=) 20.Kf1 (20.Qb2!?+=) 20...Nb3= 21.Qb3 Nc5 (21...Bh2 22.Bg4 Nc5 23.Qb6+=) 22.Qb4 (22.Qa3!? Bh2 23.g4=) 22...Bh2+= 23.h4?? (better is 23.g4+=) 23...Qh4–+ 24.Qc5 (24.Ke1 Bd6 25.Qb1 Qh1 26.Kd2 Qg2 27.Rh1 Qf2 28.Qb4–+) 24...Bd6!! (24...Bd6 25.Ke1 Bc5–+) 0–1. Havlicek,Libor (2275) – Jurcik,Martin (2365), SVK, Extraliga, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5 7.a3 e5)

7.b5 b6

8.0-0 Bb7 9.Nc3 Nbd7 10.d4 e5 11.Qc2 ed4 12.ed4 Re8 13.Rfe1 Ne4 14.a4 Qf6 (14...Nc3 15.Bc3 Qf6 16.Nd2+=) 15.Nd5 Bd5 16.cd5 Ng5 (16...Rac8!?+=) 17.Qc7+/- Nf3 (17...Re7 18.Ra3+/-) 18.Bf3+– (18.gf3?! Re7=) 18...Rad8?? (18...Nc5 19.Qc6 Rec8 20.dc5 Qb2 21.Qd6 Bd4+/-) 19.Re8 Re8 20.Qd7 h5 (20...Qe7 21.Qe7 Re7+–) 21.Qe8 (21.Qe8 Bf8 22.Qb8+–) 1–0. DEFFM – GuestSHVK, freechess.org, 2018.

8.0-0 Bb7 9.Nc3 Nbd7 10.d4 e5 11.Re1 Re8 12.Rc1 ed4 13.Nd4 Nc5 14.Bf3 Bf3 15.Nf3 (worse 15.Qf3 Nd3-/+) 15...Nfe4 16.Qc2 Nc3 17.Bc3 Bc3 18.Qc3 Ne4 19.Qc2 Qf6 20.Nd4 a4 21.a3 h5 22.Nc6 h4 23.f3 Nc5 24.Nb4 Nb3 25.Nd5 Qd8 26.Rcd1 Re5 (26...Re6 27.e4+/-) 27.Qc3 (27.f4 Re8+-) 27...Kh7 28.f4 Re6 29.e4 Nc5 30.e5 Rc8 31.Qh3 de5 32.fe5 (32.Re5?! c6 33.bc6 Rcc6+/-) 32...Qg5? (32...Qh8+-) 33.Rd4 Kg7 34.Rh4 Rg8 35.Rh7 Kf8 36.Rf1 (worse 36.Nc7 Ke7 37.Ne6 Ne6+-) 36...Rg7 (36...Qe5 37.Rff7 Ke8 38.Nc7 Kd8 39.Ne6 Ne6 40.Qd3 Nd4+-) 37.Rh8 Rg8 38.Rg8 (38.Qh7 Qe3 39.Ne3 Ke7 40.Qf7 Kd8 41.Rg8 Re8 42.Re8) 38...Kg8+- 39.Nf6 Rf6 40.ef6 (40.Rf6?! Qe5 41.Rf1 Qd4 42.Kh1 Qc4+/-) 40...Ne6 41.Qd3 Nf4 42.Qf3 Ne6 43.Qd5 (better 43.Qa8!? Nf8 44.Qa4 Qe3 45.Kh1 Qd3+-) 43...Qe3 44.Kh1 Qe2 (44...Qa3 45.Qa8 Kh7 46.Qe8+-) 45.Rg1 Kh7 (45...Qb2 46.Qa8 Kh7 47.Qa4+-) 46.Qd7 Kg8 (46...Ng5 47.Qc7 Qf2+-) 47.Qe8 (47.Qe8 Kh7 48.Qf7 Kh6 49.Qe8+-) 1-0. Pakleza,Z (2505) - Djokic,Mihailo (2190), Titled Tue (6), 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

8.0-0 Bb7 9.d4 Nbd7 10.Nbd2 Re8 11.Qc2 e5 12.Rfe1 Qe7 13.Rac1 e4 14.Ng5 h6 15.Nh3 g5 16.Nf1 (16.Red1 Bc8+=) 16...Nf8= 17.Ng3 Bc8 18.d5 (18.f3 Bh3 19.gh3 Ng6+=) 18...Bh3 (18...a4!?=) 19.gh3+= Qd7 (19...N8h7 20.Nf5 Qd7 21.Bg4+/-) 20.Bf6+/- Bf6 21.Bg4 Qe7 22.Nf5 Qe5 23.Nh6 Kg7 (23...Kh7 24.Nf5+/-) 24.Nf5+– Kh7 25.Ng3 Ng6 26.Bf5 Re7 27.Be4 Rae8 28.Qe2 Kg7 (better is 28...Rh8+–) 29.Nf5 Kf8 30.Ne7 Ne7 (30...Qe4 31.Ng6 Qg6 32.Kh1+–) 31.Qg4 Bg7 (31...Ng8 32.Bd3+–) 32.Bd3 f5 (32...Qf6 33.Qd7 Rc8 34.Kg2+–) 33.Qg5 Bf6 34.Qh5 Kg7 (34...Bg7+–) 35.Qe8 (35.Qe8 Bh4 36.Qd7+–) 1–0. DEFFM – GuestHFYV, freechess.org, 2018.

8.a4 e5 9.d4 Nbd7 10.de5 Ng4 11.0-0 Nge5 12.Ne5 Ne5 (12...de5 13.Bf3 Ra7 14.Nd2+=) 13.Nc3 (13.f4 Nd7 14.Bg7 Kg7+=) 13...Bb7 14.Qd2 Qh4 15.f4 Ng4 16.h3 (16.Bg4 Qg4 17.Nd5 Bb2 18.Qb2 Bd5 19.cd5 Rfe8+=) 16...Nf6= 17.Bf3 Bf3 18.Rf3 Rfe8 19.Raf1 Qh5 (19...Rac8 20.Rd1=) 20.f5+= Qg5 The backward pawn on e3 becomes a target (20...g5 21.Nd5 Nd5 22.cd5 Bb2 23.Qb2+=) 21.fg6+/- fg6 22.Rf6 (better 22.Qd3!? Rac8 23.Nd1+=) 22...Bf6-/+ 23.Nd5 Bb2 24.Qb2 Rf8 (24...Re5 25.Nf6 Kg7 26.Ng4=+) 25.Nf6 Rf6 26.Qf6 (26.Qf6 Qe3 Combination; 26.Rf6 Qe5 Double attack (26...Qe5 Decoy)) 26...Qf6 (26...Qe3!? 27.Kh1 Qe8=+) 27.Rf6= Re8 28.Kf2 Kg7 29.Rf4 Re5 30.Kf3 Re6 (30...g5 31.Re4 Rf5 32.Ke2=) 31.Re4 (31.g4 h6+=) 31...Rf6= 32.Rf4 Re6 33.e4 Re5 34.Ke3 Rc5 35.Kd4 Rg5 36.g4 Re5 37.Rf2 h6 38.h4 Re6 39.h5 gh5 40.gh5 Re5 41.Rf5 Rf5?? (better 41...Re7+/-) 42.ef5+- Kf6 43.Kd5 Kf5 44.Kc6 Kg5 45.Kc7 Kh5 46.Kd6 Kg6 47.c5 bc5 48.b6 c4 49.b7 c3 50.b8Q (50.b8Q Kf5 51.Qc8 Kf4 52.Qc3+-) 1-0. fireheart92 (2820) - Arifars17 (2695), Rated Bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

8.d4 a4 9.Nc3 a3 10.Bc1 c6 11.0-0 cb5 12.Nb5 1–0. Janek – Ramcal, internet, 2019.

8.d4 Bb7 9.0-0 c5 10.bc6 Nc6 11.Nc3 e5 12.d5 Nb4 13.Rb1 Na6 14.Ba3 Re8 (14...Bc8 15.Qb3 Rb8 16.e4+=) 15.Na4 Nb4 16.Bb4 ab4 17.Rb4 Ba6 (17...Nd7!?+–) 18.Nb6+– Rb8 19.Qb3 Ne4 20.Rb1 Nc5 21.Qc2 Re7 22.Na4 Reb7 23.Nc5 Rb4 24.Rb4 Rb4 (24...dc5 25.Rb8 Qb8 26.Qa4+–) 25.Na6 Rb6 26.c5 dc5 27.Qc4 (27.Nc5?! Qd5 28.Nd2 Rc6+–; 27.Qc5?! Rb2 28.Bf1 e4+–) 27...Rb1 28.Bf1 Qa5 29.Nc5 Bf8 (29...Qc7 30.Nd2 Rb2 31.Nde4+–) 30.Nd7 Bd6 (30...Ra1+–) 31.Nf6 Kg7 32.Ne8 (32.Ne8 Kf8 33.Nd6+–) 1–0. Aspasio – Richimaster, ICC, 1999.

8.d4 c5 9.0-0+=.

8.d4 Ne4 9.0-0 Bb7 10.Nbd2 Nd2 11.Nd2 Nd7 12.f4 e6 13.Bf3 Bf3 14.Qf3 Rb8 (14...Nc5 15.e4+=) 15.Rab1 Nf6 16.e4 d5 (16...Qe7 17.Rbe1+/-) 17.cd5 (17.e5 Ne4 18.Ne4 de4 19.Qe4 Qd7+–) 17...ed5 (17...Qd7!?+/-) 18.e5+– Nd7 (18...Ne4 19.Ne4 de4 20.Qe4+–) 19.Qd5 Re8 20.Qc4 Nf8 (20...Rc8 21.Ne4 Qe7 22.Rbc1+–) 21.Ne4 (21.f5 Qg5+–) 21...Ne6 (21...Qd7 22.f5! gf5 23.Ng3+–) 22.f5 (better is 22.d5 Nf8 23.Qc6+–) 22...Ng5? (22...gf5 23.Rf5 a4+–) 23.fg6 Ne4 (23...hg6 24.Ng5 Qg5 25.Rf7 Qe3 26.Kh1 Kh8+–) 24.gf7 Kh8 25.fe8Q Qe8 26.Qc2 Ng5 27.Qc7 Ne4 (27...Qg8 28.Rbc1+–) 28.Rf7 Rc8 29.Qb7 Rb8 30.Qe7 (better is 30.Re7 Qd8 31.Qc7 Rc8 32.Qd8 Rd8+–) 30...Bf8 (30...Qg8 31.Rbf1 h6 32.Qc7+–) 31.Rh7 Kg8 32.Qh4 Qg6 33.Rh8 Kg7 34.Rf1 Nd2 (34...Be7 35.Rh7! Qh7 36.Rf7 Kf7 37.Qh7 Ke8 38.Qg8 Bf8+–) 35.e6! Nf1 (35...Qe6 36.Qh7) 36.d5 (36.d5 Qf6 37.Qf6; 36.Kf1?! Qd3 37.Kf2 Qd2 38.Kf3 Qd3 39.Kg4 Qe4 40.Kh3 Qe6 41.g4 Qe3 42.Kg2 Qe2 43.Kg1 Qd1 44.Kf2 Qd2 45.Kf1 Qd1 46.Kg2 Qe2 47.Kg1 Qd1 48.Kg2 Qe2=) 1–0. GuestVZXZ – GuestNQQR, freechess.org, 2018.

7.b5 c5

8.0-0 e5 9.d3 Re8 10.Nc3 Nbd7 11.Re1 b6 12.Na4 d5 13.cd5 Nd5 14.Nd2 Bb7 15.Qb3 Qc7 16.Bf3 Ne7 17.Bb7 Qb7 18.Nc4 Qc7 19.Qd1 Nf5 20.Qf3 Rac8 21.Rab1 Nd6 22.Nc3 Nf6 23.Red1 (23.e4 h6+=) 23...Re6 (23...e4 24.Qe2=) 24.e4+= Rd8 25.Bc1 Nc4 26.dc4 Rd4 27.Qe2 Rd1 28.Qd1 Rd6 29.Qe2 Qd7 30.Bg5 Rd4 31.Bf6 Bf6 32.Nd5 Qe6 33.Rd1 Be7 34.g3 Kg7 35.h4 h5 36.Kg2 (worse 36.Ne7 Qe7 37.Kf1 Qe6 38.Rd4 cd4=+) 36...Bd8 37.Qc2 Be7 38.f3 Bf8 39.a4 Kh7 40.Qe2 Kg7 41.Kh2 Be7 42.Rf1 (worse 42.Ne7 Qe7 43.Rb1 Qd6–/+) 42...Bd8 43.Kg2 Bf6 44.Rh1 (worse 44.Nf6 Qf6 45.Rd1 Qd6 46.Rd4 cd4–/+) 44...Bd8 45.Rd1 Be7 46.Rh1 Bd8 47.Rd1 Be7 48.Qc2 (worse 48.Ne7 Qe7 49.Kf2 Qd6–/+) 48...Bf8 49.Re1 Be7 50.Qe2 Bf6 51.Rd1 ½–½. Philippe,Guillaume (2380) – Ojas,Kulkarni (2225), 93rd ch–Paris IdF, 2018. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Be2 a5)

8.0-0 e6 9.d4 Nbd7 10.Nc3 b6 11.a4 (11.d5 ed5 12.Nd5 Bb7+=) 11...Bb7 12.Qc2 (12.d5 ed5 13.Nd5 Re8=) 12...d5 (12...cd4 13.ed4 Rc8 14.Nd2=) 13.dc5 Nc5 14.Rad1 Rc8 15.Ba3 Qc7 16.cd5 ed5 (16...Nce4 17.Bf8 Kf8 18.de6 Nc3 19.Rd4 fe6 20.Ng5-/+) 17.Rc1 (17.Nd4 Nfe4 18.Rc1 Be5=) 17...Rfd8 (17...Nce4 18.Bf8 Kf8 19.Ne4 Qc2 20.Rc2 Rc2 21.Nf6 Bf6 22.Bd1=+) 18.Rfd1 (18.Nd4+=) 18...Nce4 (better 18...Ng4 19.Bc5 bc5=) 19.Bb2?? (19.Nd5 Nd5 20.Qc7 Nc7 (20...Rc7?? 21.Rc7 Nec3 22.Rb7 Ne2 23.Kf1+-) 21.Rd8 Rd8 22.Rc7 Bd5+/-) 19...Nc3?? (19...Ng4 20.Ne4 Qc2 21.Rc2 Rc2 (21...de4 22.Rd8 Rd8 23.Nd4+=) 22.Bg7 Re2-+ (22...Kg7?! 23.Nd4 de4 24.Nc2 Rd1 25.Bd1=)) 20.Qc3+= (worse 20.Bc3 Ne4 21.Bg7 Qc2 22.Rc2 Rc2-+) 20...Qd6 (20...Qc3 21.Bc3 Ne4 22.Bd4=) 21.Qb3 Ne4 22.Bg7 Kg7 23.Bd3 Nc5 (23...Qb4 24.Qb4 ab4 25.Nd4=) 24.Qb2 f6 (24...Qf6 25.Qf6 Kf6 26.Bc2=) 25.Bc2 Ne6 26.Bb3 Qb4 27.Nd4 Nc5 28.Rc5 bc5 29.Ne6 Kf7 30.Nd8 Rd8 31.Qc2 c4 32.Bc4?? (better 32.Ba2+=) 32...dc4-+ 33.Rd8?? (better 33.Rb1 Qc5 34.Qc3-+) 33…Qe1 0-1. negrovich1 (1910) - Julben (2280), Rated Bullet tournament, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 a5)

7.b5 c6

8.a4 Nbd7 9.d4 cb5 10.ab5 Ne4 (10...Nb6 11.0-0=) 11.0-0 b6 12.Nfd2 Bb7 13.Ne4 Be4 14.Nc3 Bb7 15.f4 (15.Bf3 Bf3 16.Qf3 Re8+=) 15...Nf6 (15...e6 16.Ra4+=) 16.Qd3+/- Rc8 17.e4 Nd7 18.Ba3 f5 19.ef5 Rf5 (19...gf5 20.d5+/-) 20.Bg4+/- Rf8 21.Be6 White prepares the advance f5 21...Kh8 22.Nd5 Bd5 23.Bd5 Nf6 (23...Rf6 24.Rae1+/-) 24.Be6 Rc7 25.f5 g5 26.Qe3 (26.Rfe1 d5 27.c5 Nh5+–) 26...h6 (26...d5 27.c5 (27.Qg5?! Ne4 28.Qe3 Rc4=) 27...Ng4 28.Qd2+/-) 27.Qd3+– Nd7 28.Bb2 Bf6 (28...Nf6 29.Qe3+–) 29.Qh3 Kg7 30.Rad1 Nc5 31.dc5 Bb2 32.cb6 Rc5 33.Qh5 Rf6 34.h4 gh4 35.Qh4 Qb6?? (better is 35...Qb8+–) 36.Qg4 Rg6 37.Qg6 (37.Qg6 Kh8 38.Qh6) 1–0. GuestWRSB – GuestTGZP, freechess.org, 2018.

8.a4 e5 9.d3 Ne8 (9...Bg4 10.0-0=) 10.Qc2 Be6 11.Nbd2 (11.0-0 f5+=) 11...Nd7 (11...Qc7 12.0-0+=) 12.0-0 f5 13.Rab1 (13.Bc3 g5+=) 13...g5 (13...cb5 14.ab5 g5 15.d4=) 14.bc6 bc6 15.d4 g4 16.Ne1 Rf6 (16...f4 17.Nd3=) 17.f4 (17.c5 Rh6 18.cd6 Nd6 19.de5 Nf7+/-) 17...Rh6 18.g3 (18.d5 cd5 19.cd5 Bd5 20.Qf5 Be6+=) 18...ed4= 19.ed4 d5 (19...Rb8 20.Rf2=) 20.Nd3+= Nd6 21.Ne5 Ne5 (21...Rc8 22.c5 Ne4 23.Bc3+=) 22.de5 (22.fe5 Qg5 23.Rf2 Ne4 24.Ne4 fe4+–) 22...Ne4+= 23.Ne4 (23.Nb3 Bf8+=) 23...de4 24.Rfd1 Qc7 (24...Qe8 25.Bd4=) 25.Ba3 (25.Bd4 Bf8+=) 25...Qa7 26.c5 Bd5 (26...Qf7 27.Bc1+=) 27.Bc4 Rd8 28.Rb6 (28.Bd5 cd5 29.Qa2 Qd7+=) 28...Qf7 (better is 28...Bf8!?+=) 29.Rc6 Rc6 30.Rd5 Rd5 31.Qb3 Qc7?? (better is 31...Qd7 32.Bd5 Kf8 33.Bc6 Qc6+–) 32.Bd5 Kf8 33.Qb5 (33.Qb6 Be5 34.fe5 Qe5 35.Qd8 (35.Bc6?! Qd4 36.Kg2 Qd2 37.Kf1 Qd1 38.Kf2 Qd2 39.Kf1 Qd1 40.Kf2 Qd2 41.Kf1=; 35.Qc6?! Qd4 36.Kg2 Qd2 37.Kf1 Qd1 38.Kf2 Qd2 39.Kf1 Qd1 40.Kf2 Qd2 41.Kf1=) 35...Qe8 36.Qe8 Ke8 37.Bc6 Kd8 38.Bb5+–) 33...Rg6 (33...Be5 34.Bc6 Bd4 35.Kg2 Qf7+–) 34.c6 Ke8 35.Qb7 (35.Bd6 Rd6 36.ed6 Bd4 37.Kg2 Bf6 38.dc7 Kf8 39.c8Q Kg7 40.Qbb7 Kh6 41.Qf8 Bg7 42.Qfg7 Kh5 43.Qh7) 35...Kd8 (35...Qb7 36.cb7 Rb6+–) 36.Qa8 (36.Be7 Ke8 37.Qc7 Rd6 38.Qd6 Be5 39.Qd7) 36...Qc8 37.Be7!! (37.Be7 Ke7 38.Qc8 Rc6 39.Qb7 Rc7 40.Qc7 Ke8 41.Bc6 Kf8 42.Qd8 Kf7 43.Qe8) 1–0. Radchenko – Shapiro, Krasnodar, 1955.

7.b5 e5

8.0-0 c5 9.d4 e4 10.Nfd2 b6 11.Qc2 Qe7 12.d5 Re8 13.Nc3 Bf5 14.Rae1 h5 15.Nd1 Nbd7 16.Qb3 Ne5 17.f4 ef3 18.Nf3 Neg4 19.Bc1 Ne4 20.h3 Ne5 21.Ne5 Qe5 22.Bf3? Qg3–+ 23.Kh1?? Re7 24.Bb2–+ Rae8?? 25.Bg7= Kg7 26.Be4 Be4–/+ 27.Qb2 Re5 28.Qf2 Qh3 29.Kg1 Qd7 30.Qg3 Qe7 31.Rf2 Rg5 32.Qh4?? Rg2!–+ 33.Rg2 Qh4 (33...Qh4 34.Ree2 Bg2 35.Kg2 Qc4–+) 0–1. carocan (1685) – cienias321 (1810), kurnik, 2011.

8.0-0 Nbd7 9.Nc3 Nc5 10.Ne1 Re8 11.f3 e4 12.Ne4 Nfe4 13.Bg7 Kg7 14.fe4 Ne4 15.Qc2 f5 16.Nd3 Be6 17.Nf4 Qe7 18.Bf3 Bf7 19.Rac1 Qe5 20.g3 Rac8 21.Rfe1 c6 22.bc6 bc6 23.d3 Nf6 24.Qa4 Qb2 (24...g5 25.d4 Qe7 26.Nd3+= (worse is 26.Bc6 gf4 27.Be8 Re8=)) 25.Qa5 Re3 26.Re3 Qc1 27.Re1 Ra8 28.Ne6! (worse is 28.Rc1 Ra5 29.a4 Ra4 30.Bc6 Ra2=; 28.Qa8 Qe1 29.Kg2 g5 30.Qc6 Qd2 31.Kg1 gf4 32.Qd6 Bc4 33.Qc7 Bf7–+; 28.Bc6?! Ra5 29.Rc1 Ra2=) 28...Kh6 29.Qb4 Rb8 30.Rc1 Rb4 31.Nd8 Be8 32.Nc6 Ra4 33.Rc2 Ra3 34.Nb4 Ba4 35.Rd2 Nd7 36.Kf2 Ne5 37.Be2 Rc3 38.Nd5 Rc1 39.h3 Rh1 40.Bf1 g5 41.Kg2 Rh2 42.Kh2 Nf3 43.Kg2 Nd2 44.Be2 Bc6 45.Kf2 Bd5 46.cd5 Nb1 47.a4+– Nc3 48.a5 Nb5 49.Ke3 Kg6 50.Bd1 Kf6 51.Ba4 Na7 52.Kd4 Ke7 53.Kc4 h6 54.d4 Kf6 55.Bc2 f4 56.gf4 gf4 57.Kd3 Kf5 58.Ke2 Kg5 59.Kf3 Nb5 60.Ba4 Na7? 61.Bd7 h5 62.a6 Kf6 63.Kf4 Ke7 64.Ba4 Kf6 65.h4 Nc8 66.Be8 1–0. Wegerer,Fred (2265) – Weichelt,Jens (2145), Bayern–chI Bank Hofmann, 2007. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Be2 a5 7.b5 e5)

8.0-0 Nbd7 9.Nc3 Re8 10.d3 Qe7 11.d4 e4 12.Nd2 Nf8 13.a4 h5 14.Re1 N8h7 15.Qc2 Bf5 16.Rac1 h4 17.h3 Ng5 18.Nd5 Qd8 19.Nf4 c6 20.bc6 bc6 21.Rb1 Ne6 22.Ne6 fe6 23.Bc3 Qc7 24.Rb2 Rf8 25.Reb1 Ra7 26.Nb3 Rfa8 27.Qd2 Ne8 28.c5 d5 29.Na5 (29.Qd1 Rb8+/-) 29...Ra5+= 30.Rb7 Qd8 31.Ba5 Qa5 32.Qa5 Ra5 33.R1b4 e5 34.R7b6 ed4 35.ed4 Nc7 36.Rc6 Ne6 37.Ra6 Ra6 38.Ba6 Bd4 39.c6 Be5 40.a5 Kf7 41.Bf1 Ke7 42.a6 Kd6 43.a7 Nc7 44.Rb7 Na8 45.Rb8 Nc7 46.Bb5 Kc5 47.Rb7 Na8 48.c7 (48.Ba4 d4 49.c7 Kd6+–) 48...Bc7 49.Rb8 Bb6 50.Ra8 Ba7 (50...Kb5?? 51.Rb8 Kc5 52.a8Q+–) 51.Ra7 Kb5 52.Rh7 Kc4 53.Rh4 d4 54.Kf1 Kc3 55.Ke1 d3 56.Rh7 e3 (56...g5!? 57.Rc7 Kd4+/-) 57.Rc7+– (57.fe3?? d2 58.Ke2 Bd3 59.Kf2 d1Q–+) 57...Kd4 58.fe3 Ke3 59.Rf7 Be4 60.Re7 g5 61.g3 Kd4 62.Kd2 Bg2 (62...Bf5 63.h4 gh4 64.gh4 Bg4+–) 63.h4 gh4 64.gh4 Bf3 65.Ra7 1–0. Deneuville,Christian (2190) – Scacco,Mauro, corr ICCF EM/M/A091 ICCF Email, 2000.

8.0-0 e4 9.Ne1 Be6 10.Qc2 Nbd7 11.d3 ed3 12.Nd3 Bf5 13.Qc1 Re8 14.Rd1 Bh6 15.Nd2 Be3 (better is 15...Bg7=) 16.Bf1?? (better is 16.fe3 Re3 17.Nf4+–) 16...Bh6–/+ 17.Qc3 Bg7 18.Re1 Be6 19.Rad1 Nh5 20.Qb3 Bb2 21.Qb2 Qf6 22.Qa3 b6 23.Be2 Ng7 24.Bf3 Rad8 25.Bc6 Rf8 26.Ne4 Qe7 27.Nf4 f5 28.Nc3 Nc5 29.Ncd5 Qf7 30.Re2 g5 31.Ne6 Nge6 32.Rde1 Qg6?? (better is 32...Qg7+=) 33.Ne7+– Kg7 34.Ng6 Kg6 35.Re6 (35.Re6 Ne6 36.Re6 Rf6 37.Qe3+–) 1–0. Nemeth,Laszlo1 (1965) – Kiss,Jozsef1 (1980), HUN–chT2 Erkel, 2009.

8.0-0 Re8 9.d3 (9.d4 Nbd7=) 9...Nbd7 (9...c6 10.Nc3+=) 10.Nbd2 (10.Nc3 Qe7=) 10...e4 (10...a4 11.a3=) 11.Ne1 (11.Ne4 Ne4 12.Bg7 Kg7 13.de4 Re4+=) 11...ed3= 12.Nd3 b6 (12...a4 13.Bf3=) 13.Bf3+= Rb8 (13...Ra7 14.Bc6+=) 14.Nb3 Ne4 (14...Bb7 15.Bb7 Rb7 16.Qf3+=) 15.Bg7 Kg7 16.Nf4 Bb7 17.Qc2 (17.Nd5 Nec5+=) 17...Ndf6 (17...Qg5 18.Nd5 Bd5 19.cd5 Qd5 20.Qc7+=) 18.Rad1 Qe7 (18...Qd7 19.Nd4+=) 19.Nd4 Kg8 20.g3 (20.Nd3 Rbd8+=) 20...Rbd8 (20...g5 21.Nh5=) 21.Nc6 (21.Bg2 g5 22.Nd3 g4+=) 21...Bc6 22.bc6 Rc8 23.Bg2 Qe5 (23...Qd8 24.Nd5=) 24.Rd4 (24.Nd5 Qg5+=) 24...Ng5 (24...Kg7 25.Nd5 Nc5 26.Qd1=) 25.Nd5+= Nd5 (25...Ne6 26.Rh4 Nd5 27.cd5+= (worse is 27.Bd5 Re7=)) 26.cd5 (26.Bd5?! Re7+=) 26...f5 27.Qc4 (27.Qc1 Ne4+=) 27...Qf6 (27...Ra8 28.Re1 Ne4 29.a3+=) 28.f4 (28.Rb1 Re7+=) 28...Nf7= 29.e4 Re7 30.Rd2 Rce8 31.Re2 fe4 32.Bh3 (32.Re4 Re4 33.Be4 b5=) 32...Nh6 33.Bd7+= Rf8 34.Be6 Kg7 35.Re4 Nf7 36.Rfe1 Qb2 37.R1e2 Qa1+= 38.Kg2 h5 39.h3 Nh6 40.Re1 Qb2 41.R1e2 Qa1 42.a4 Rfe8 43.Qc2 Qf6 44.Kf3 Nf7 45.Bf7 Kf7 46.Re7 Re7 47.Re7 Qe7 48.f5 Qf6+= 49.g4 hg4 50.hg4= Kg7 51.Qd3 gf5 52.gf5 Qa1 53.Qe4 Qh1 54.Ke3 Qe1 55.Kf4 Qh4 56.Kf3 Qh1 ½–½. Stoliar,E – Kramer,G, Bad Woerishofen, 1992. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 a5)

8.a4 Be6 9.0-0 Ne4 10.d4 Ng5 11.de5 Nf3 12.Bf3 c6 13.Qc2 de5 14.Rd1 Qc7 15.Nd2 f5 16.e4 f4 17.c5 Qf7 (17...cb5 18.ab5 Rc8 19.Rdc1=) 18.Rac1 g5 19.Nc4 g4 20.Be2 (20.Nd6 Qf6 21.Be2 f3+/-) 20...f3+= 21.Bf1 (21.gf3 gf3 22.Bf1 Bh6 23.Ne5 Qh5=) 21...fg2= 22.Bg2 Bc4 23.Qc4 Kh8? (better is 23...cb5 24.ab5 a4+=) 24.Qf7+– Rf7 25.Rd8 Rf8 26.Rf8 Bf8 27.Be5 Kg8 28.Bf1 Bg7 29.Bc4 Kf8 30.Bg7 Kg7 31.Rd1 cb5 (31...Kf6 32.Kg2+–) 32.Bb5 Na6 33.Rd7 Kg6 34.Ba6 ba6 35.c6 Rc8 36.c7 1–0. Galindo,Gustavo – Patino,Jose David, IRT Open de Ajedrez Ciudad de Cartago, 2010. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.Be2 a5 7.b5 e5)

8.d4 Nbd7 9.0-0 ed4 10.Nd4 Ne4 11.Nc3 Nc3 12.Bc3 Nc5 13.Rc1 Be6 14.Qc2 Qh4 15.Nf3 Qe7 16.Nd4 Qh4 17.Nf3 Qe4 18.Qd2 Bc3 19.Qc3 f6 20.Nd4 Bd7 21.Rfd1 a4 22.Bf3 Qe5 23.Bd5 Kg7 24.Qc2 Rfe8 25.Rd2 Re7 26.Rcd1 Rae8 27.Nf3 Qh5 28.Rd4 g5 29.Ne1 g4 30.g3 Bf5 31.Qb2 Be4 32.Ng2 Bg2 33.Bg2 b6 34.Rf4 Re5 35.Qe2 Rg5 36.Qb2 Qg6 37.Qd2 Rge5 38.Bd5 h5 39.Qc3 h4 40.Qd4 hg3 41.hg3 Rg5 42.Kg2 Rh8 43.Be4 Qh6–/+ 44.Kf1 Ne6 45.Qd3 Nf4 46.ef4 Rh5 47.f5 Re8 48.Qd5 Qh8 49.Qb7–/+ Kh6 50.Re1 Qg7 51.Qd5 Re5 52.Qa8 Kh7 53.Qa4?? Qe7–+ 54.Qa8 Rh1!! (54...Rh1 55.Kg2 Re1–+) 0–1. Djurisic,Dusan (1880) – Gochev,Mladen (2290), Obrenovac SER, 2012.

6.Be2 a6

7.0-0 b6 8.a4 Bb7 9.d4 Nbd7 10.Nc3 h6 11.b5 ab5 12.ab5 Ne4 (12...Ra1 13.Qa1 e5 14.Rd1+=) 13.Nd2 (13.Qc2 Nc3 14.Bc3 e5+/-) 13...Nc3 14.Bc3 e6 15.Qc2 d5 16.c5 bc5 17.dc5 Nc5?? (better is 17...Bc3 18.Ra8 Ba8 19.Qc3 Qf6 20.Qf6 Nf6+/-) 18.Bg7 Kg7 19.Qc5 Qf6 (19...Qd6 20.Qd6 cd6 21.b6+–) 20.Ra8 Ba8 21.Qc7 d4 22.b6 de3 23.fe3 Qg5 24.b7 (better is 24.Qc3 f6 25.Nf3+–) 24...Qe3 25.Rf2 Bb7 26.Nc4 Qb3? (better is 26...Qc1 27.Rf1 Qc2 28.Qb7 Qe2+–) 27.Nd6 Bd5 28.Nf7 (28.Rf7?! Rf7 29.Qf7 Kh8 30.Qf6 Kh7+–) 28...Qb1 29.Rf1 (29.Bf1!? Qb7 30.Qe5 Kh7+–) 29...Qf1 30.Bf1 Rf7 31.Qc5 h5 (31...g5 32.Be2 Kg8 33.Qc2+–) 32.Bc4 (32.Qc3!? Rf6+–) 32...Bc4 33.Qc4 Re7 34.g4 hg4 35.Qg4 e5 36.h4 Rf7 (36...Kf6 37.Kf2+–) 37.Qg5 (37.h5 Rf6 38.Qg5 Rc6 39.Qe5 Kh6 40.Qh8 Kg5+–) 37...Rf5 (37...Rf5 38.Qe7 Kh8+–) 0–1. yidna – tetis, gameknot.com, 2018.

7.0-0 Bf5 8.d4 Nbd7 9.Nh4 Bb1 10.Rb1 e5 11.Nf3 e4 12.Nd2 c6 13.Qc2 d5 14.a4 b5 15.ab5 ab5 16.cd5 cd5 17.Bb5 Rb8 18.Bc6 Rc8 (18...Rb4 19.Ba3 Rb1 20.Rb1+/-) 19.b5 Nb8 20.Ba3 Nc6 21.bc6 Re8 22.Rb7 Qa5 (22...Re6!? 23.c7 Qd7+–) 23.Be7 Rc7?? (23...Qa6 24.Rc1 Ng4+–) 24.Bb4 (24.Bb4 Rb7 25.Ba5+–) 1–0. pcmvr – croach (2265), net–chess.com, 2016.

7.d3 Nc6 8.Qb3 e5 9.Nc3 Bf5 10.0-0 Re8 11.a4 a5 12.b5 Nb4 13.e4 Bg4 14.Nd5 c5 15.h3 (15.Ne3 Bd7+=) 15...Nbd5 16.cd5 (< 16.hg4 Nf4 17.Rfe1 Ng4=+) 16...Bc8 17.Nd2 b6 (17...Bh6 18.Qc3+=) 18.Nc4+= Bh6 19.Qd1 (19.Qc3 Bf4+=) 19...Rf8 (19...Kg7 20.Bc1+=) 20.Bc1 Bg7 21.Bg5 h6 22.Be3 Ne8 23.Qd2 Kh7 24.Rae1 f5 25.f4 g5 (25...ef4 26.Rf4 Ra7 27.Qc2=) 26.fg5 (26.fe5 de5 27.Qc3 Qc7+/-) 26...f4+= 27.g6 Kg6 28.Bf2 Rb8 29.Qd1 Rb7 (29...Nf6 30.Bh4+=) 30.Bg4 Bf6 31.Bc8+/- Qc8 32.Qf3 Kh7 33.Kh2 Bd8 34.Rg1 Rg7 35.Re2 Qd7 36.Be1 Rg6 37.Kh1 Rfg8 38.Nd2 Kh8 39.Qf1 Nf6= 40.Qf3 Qh7 41.g3 Qd7= 42.Kh2 Qg7 43.Reg2 fg3 44.Rg3 Rg3 45.Rg3 Qh7 46.Rg8+= Qg8 47.Nc4+– Ne8 48.Bd2 Qg7 49.Qh5+– Qf8 50.Qh6 Qh6 51.Bh6 Kg8 52.Kg3 (52...Kf7 53.h4+–) 1–0. Farleigh,Richard – Inocencio,Edgarlino S (2275), World op Philadelphia, 1995.

7.d4 Nbd7 8.Nbd2 c5 (8...Nb6 9.0-0=) 9.dc5 (9.bc5 dc5 10.d5 b5+=) 9...dc5= 10.b5 (10.a3 a5=) 10...ab5+= 11.cb5 b6 (11...Nd5 12.Bg7 Kg7 13.Nb3=) 12.0-0= Bb7 (12...Qc7 13.Qc2=) 13.Nc4 (13.Qc2 Qc7=) 13...Qc7 14.Qc2 Rfd8 (14...Be4 15.Qb3=) 15.Rfd1+= Be4 (15...e6 16.a4=) 16.Qb3= Bd5 (16...h6 17.Nfe5 Bd5 18.Nd7 Rd7 19.f3=) 17.a4 e5 (17...Qb7 18.Qc2=) 18.a5 (18.e4 Be4 19.Nd6 c4 20.Qc4 Nc5 21.Be5 Bd5 22.Rd5 Nd5 23.Qd5 Be5 24.Ne5 Qd6 25.Qf7 Kh8=) 18...ba5 19.b6 (worse is 19.Nfe5 Ne5 20.b6 Qe7+=) 19...Qb7 (19...Qb8!?+=) 20.Nfe5+/- (worse is 20.Be5 Ne5 21.Nfe5 Ne4=) 20...Ne5 (better is 20...a4!? 21.Qb5 Rab8 22.Rd5 Nd5 23.Nf7 N7b6 24.Nd8 Rd8+/-) 21.Be5+– Bg2 22.Rd8 Rd8 23.Na5 Qe4 (23...Qe7 24.Bc7 (24.Kg2?! Qe5 25.Rd1 Rd1 26.Bd1 Nd7+–) 24...Rd2 25.Kg2 Re2 26.b7+–) 24.Bc7 Re8?? (better is 24...Bh3 25.f3 Qh4+–) 25.Ra4 Qd5 (25...Qa8 26.Bc4 Rf8 27.b7 Bb7 28.Nb7+–) 26.Bc4 Qg5 (26...Qf3 27.Bf7 Kh8 28.Be8 c4+–) 27.h4 (27.h4 Qf5 28.Bf7 Kh8 29.Kg2+–) 1–0. Adlai – Femmer, corr, 2018.

7.a4 Nbd7

8.0-0 b6 9.d4 c5 10.bc5 bc5 11.d5 Rb8 12.Bc3 Bb7 13.Nbd2 e6 14.e4 ed5 15.ed5 Bc8 16.a5 Re8 17.Bd3 Nf8 18.Rb1 Bg4 19.Rb8 Qb8 20.Qb1 N8d7 21.Qb8 Rb8 22.Rb1 Rb1 23.Bb1 Ne8 24.Bg7 Ng7 25.h3 ½–½. hal1958 – scylla, playchess.de, 2003.

8.0-0 c5 9.b5 ab5 10.ab5 Ra1 11.Ba1 Nb6 12.d4 cd4 13.Nd4 (13.Qd4? Nh5 14.Qd2 Ba1–+; 13.ed4?! Qc7 14.Nbd2 Bf5=; 13.Bd4?! Qc7=) 13...Qc7 14.Nd2 d5 15.Qb3 dc4 16.Nc4 e6 17.Bb2 Nfd5 18.Rc1 Nc4 19.Bc4 Qe7? (better is 19...Qe5+/-) 20.Bd5 ed5 21.Ba3 (21.Qd5?! Rd8 22.Qc5 Qc5 23.Rc5 Be6+/-) 21...Qh4?? (21...Qg5 22.Nf3 Qd8 23.Bf8 Bf8+–) 22.Bf8 Bf8 23.Qd5 Qg4 24.h3 Qd7 25.Qd7 Bd7 26.Rc7 (26.Rc7 Be8 27.Rb7+–) 1–0. carocan (1785) – facehead (1625), kurnik, 2011.

8.Nc3 Nb6 9.b5 ab5 10.ab5 Ra1 11.Ba1 Be6 12.d3 Nfd7 13.Nd4 Bd4 14.ed4 c6 15.Na4 Na4 16.Qa4 c5 17.d5 Bf5 18.0-0 Ne5 19.Qc2 e6 20.Qc3 ed5 21.cd5 Re8 22.f4 Nd7 23.Qg7 1–0. axtur777 – Bioximix, lichess.org, 2019.

6.Be2 b6

7.0-0 Bb7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 b6 TESTJ430 6.Be2 Bb7 7.0-0 d6).

7.b5 Bb7 8.0-0 Nbd7 (8...a6 9.Nc3=) 9.d4 (9.Nc3 a6=) 9...e6 (9...a6 10.Nc3=) 10.Nbd2 c5 11.Qb3 (11.bc6 Bc6 12.Rb1 Rc8=) 11...cd4 (11...Qc7 12.Rfe1=) 12.ed4 Rc8 (12...d5 13.Ba3 dc4 14.Nc4+=) 13.a4 (13.Qa3 Qc7=) 13...d5= 14.a5 (14.Rac1=) 14...ba5 (better is 14...dc4!? 15.Nc4 Bd5=) 15.c5+/- Ba8 (15...Nh5 16.c6 Nf4 17.Bd3 Bc6 18.bc6+/-) 16.c6 Bc6 (16...Nb6 17.Ra5 Rc7 18.Rfa1+–) 17.bc6 Rc6 18.Bb5 Rb6 19.Ra5 Qb8 20.Qd3 a6 (20...Qb7 21.Rfa1 Ra8 22.Nb3+–) 21.Bd7+– Rb2 (21...Nd7 22.Ba3 Rc8 23.Ra6+–) 22.Bc6 Rb6 (22...Bh6 23.Ra6 Ng4 24.g3+–) 23.Ra6 Ra6 24.Qa6 1–0. DEFFM – GuestQRWX, freechess.org, 2018.

7.b5 c5 8.0-0 e5 9.d4 ed4 10.ed4 Bb7 (10...a6 11.Nc3+=) 11.d5 a5 (11...a6 12.Nc3+=) 12.Nbd2 (12.Re1 Re8+/-) 12...Re8 13.Re1 Qd7 (13...a4 14.Bd3+=) 14.Qc2 Nd5? (better is 14...a4+/-) 15.cd5+– Bd5 16.Bg7 Kg7 17.Qc3 Kg8 (17...f6 18.Bc4 Bf3 19.Qf3+– (19.gf3?! Re1 20.Re1 d5+/-)) 18.Bc4 Be6 (18...Bb7 19.Qf6 d5 20.Re8 Qe8+–) 19.Ne4 Qd8 (19...Qa7 20.Nf6 Kf8 21.Ng5+–) 20.Nf6 Kf8 21.Ng5 Nd7 (21...Ra7 22.Ne8 Qg5 23.Qh8 Ke7 24.Nd6 Kd6 25.Qb8 Ke7 26.Qa7 Kf8 27.Be6 Qe7+–) 22.Ngh7 Ke7 (22...Kg7 23.Ne8 Kh6 24.Qg7 Kh5 25.Be2 Bg4 26.Bg4 Kg4 27.Re4 Kh5 28.g4 Kh4 29.Qh6) 23.Nd5 1–0. DEFFM – GuestQYGZ, freechess.org, 2018.

7.d4 c5 8.bc5 dc5 9.0-0=.

7.d4 Nc6 8.a3+= Nd7 (8...a6 9.0-0+=) 9.0-0 a6 10.Nc3 (10.Qa4 Bb7+=) 10...Re8 (10...e5 11.Re1+=) 11.d5 Nce5 (11...Ncb8 12.Qd3+=) 12.Nd4 f6?? (better is 12...Nf6+/-) 13.Ne6+– c5 (13...Nb8 14.Nd8 Rd8 15.e4+–) 14.dc6 Nf8 15.Nd8 Rd8 16.f4 Ng4 1–0. marekt – slimblue0, ChessWorld.net, 2018.

7.b5 a6

8.a4 ab5 9.ab5 Ra1 10.Ba1 Bb7 11.0-0 d5 12.d4 dc4 13.Bc4 c5 14.Nbd2 Ne4 (14...Nbd7!?+=) 15.Ne4+– Be4 16.dc5 Ba1 (16...Qd1!? 17.Rd1 Bf3 18.gf3 bc5 19.Bg7 Kg7+=) 17.Ng5+– (17.Qa1?! Bf3 18.gf3 bc5=) 17...Qd1 18.Rd1 Bg2 (better 18...Bf5 19.Ra1 bc5 20.Nf7 Kg7+–) 19.Ra1 h6 (19...Nd7 20.Kg2 Nc5+–) 20.Nf7 (20.Kg2?! hg5 21.c6 Rc8+–) 20...Rf7 (20...Bf3 21.Ne5 Kg7+–) 21.Kg2 bc5 22.Ra8 (22.Ra8 e6 23.Be6+–) 1–0. DEFFM – GuestNXPG, freechess.org, 2019.

8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.d4 e5 12.Nbd2 ed4 13.ed4 Bb7 14.0-0 c6 (14...d5 15.Ne5=) 15.bc6+= Bc6 16.d5 Bb7 17.Nd4 Nc5 18.Nc6 Qc7 19.Bf3 1–0. GuestMXLJ – GuestACGT, freechess.org, 2017.

7.Nc3 c5

8.a3 a6 9.0-0=.

8.a3 Bb7 9.0-0 Nc6 10.b5 Na5 11.d3+=.

8.a3 Bb7 9.0-0 Nbd7 10.Qb3 (10.d4 a6+=) 10...Rc8 (10...a6 11.d4=) 11.Rfd1 Ne4 (11...a6 12.b5+=) 12.Ne4 Be4 13.Bg7 Kg7 14.d3 Bf3 15.Bf3 (15.gf3?! e5+=) 15...Qc7 (15...e6 16.d4 cd4 17.ed4+=) 16.g3 (16.Qc3 Ne5+=) 16...Nf6 17.Rab1 Rfd8 18.Rd2 (18.b5 g5+=) 18...h5 (18...e6 19.Rc1+=) 19.h3 (19.b5 Rh8+=) 19...Qd7 20.Bg2 e5 (20...h4 21.Qb2+=) 21.Qb2 (21.Rc2 h4+=) 21...Qe6 22.Rbd1 (22.Rc2 h4+=) 22...Rb8 (22...cb4 23.ab4 d5 24.cd5 Nd5 25.b5+=) 23.Rc2 (23.b5 h4+=) 23...b5 24.Rb1 (24.Qc3 h4+=) 24...a5= 25.Qc1 (25.Qc3 cb4 26.ab4 bc4 27.dc4 ab4 28.Rb4 Rb4 29.Qb4 Rc8=) 25...ab4 26.ab4 bc4 27.Rc4 cb4 28.Rcb4 Rb4 29.Rb4 d5 Black prepares the advance e4 30.Rb5 (30.Qb2 Ra8=) 30...Rc8 31.Rc5 (31.Qb2 h4=) 31...Rc5 32.Qc5 e4 ½–½. Spraggett,Kevin – Ivanov,Igor V, 09, Match Montreal, 1981. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 b6 6.Be2 d6)

8.a3 Bb7 9.0-0 Nbd7 10.Qb3 Rc8 11.Rfd1 Ne4 12.Ne4 Be4 13.Bg7 Kg7 14.d3 Bf3 15.Bf3 Qc7 16.g3 Nf6 17.Rab1 Rfd8 18.Rd2 h5 19.h3 Qd7 20.Bg2 h4 21.Qc3 hg3 22.fg3 cb4 23.Qb4 Qe6 24.Re2 d5 25.cd5 Nd5 26.Qd4 f6 27.Bd5 Rd5 28.Qe4 Qe4 29.de4 Rd3 30.a4 Rc4 31.a5 ba5 32.e5 fe5 33.Rb5 a4 34.Re5 Kf6 35.Ra5 a3 36.Ra7 e6 37.Rf2 Ke5 38.Ra5 Kd6 39.Rg5 Ra4 40.Ra2 Rb4 41.Ra1 Re3 42.Rg6 Rb2 43.Rd1 Ke7 44.Rf1 a2 45.Rg7 Kd6 46.Rd1 Ke5 47.Rg5 0–1. Comet B25 – Fritz 6, 2004.

8.b5 a6=.

7.d4 Bb7

8.b5 a6 9.a4 c6 10.Nc3 d5 11.0-0 Nbd7 12.Qb3 e6 13.Ba3 (13.cd5 Nd5 14.Nd5 cd5+=) 13...Re8 (13...c5=) 14.c5 (better is 14.cd5!? Nd5 15.Ne4+=) 14...bc5+= 15.dc5 Bf8 16.Nd4 Qc8 17.bc6 Bc6 18.Nc6 (18.Rfc1 Nc5 19.Qc2 Nfd7+=) 18...Qc6–/+ The pressure on the isolated pawn grows 19.Rfc1 Nc5 20.Bc5 Qc5 21.Nb5 (21.Ne4 Qe7 22.Nf6 Qf6–/+) 21...Qb6–/+ 22.a5 Qb8 23.Nd4 Qb3 (23...e5 24.Qb8 Reb8 25.Nf3+=) 24.Nb3 Nd7 (24...Reb8 25.Rab1–/+) 25.Rc6 The isolani on a6 becomes a target 25...Reb8 26.Nd4 Nc5 27.g3 Rb2 28.Rc1 e5–+ 29.Nc2 Nb3 30.Rd1 Na5 31.Rc7 Nc4 32.Rd5 Na3 33.Bd3 Nc2 34.Bc2 Bg7 35.Rdd7= Rf8 36.Bd3+= Rd2 37.Rf7?? Rf7–+ 38.Bc4 Rdf2 0–1. pumpkin (1675) – mluka (1830), net–chess.com, 2001. (=1.Nf3 Nf6 2.b4 g6 3.e3 Bg7 4.Bb2 0-0 5.Be2 d6 6.c4 b6)

8.Nbd2 Nbd7 9.d5 e5 10.de6 fe6= 11.Nd4 Qe7=+ 12.Bf3 Bf3 13.N2f3= e5 14.Nb5 e4=+ 15.Ng5 Ne5–/+ 16.Be5 Qe5 17.Nh3 a6 18.Nd4 c5 19.bc5 dc5 20.Ne2 Rad8–+ 21.Qc1 Nd5 22.Rb1 Nb4 23.0-0 Na2 24.Qa3 Nb4 25.Rfd1 Rd3 26.Rd3 ed3 27.Nef4 Qc3 28.Qc3 Bc3 29.Nd3? Nd3 30.Rb3 Nc1 31.Rb1 Na2 32.Rb6 Rd8 33.g4 a5 34.Nf4 Nb4 35.Ne6 Rc8 36.Rb5 Na6 37.Rb7 Ra8 38.Nf4 a4 39.Nd5 Bg7 40.Nb6 a3 (41.Na8 a2–+) 0–1. Kralovec,Erik (2270) – Fusi,Christoph, Oberwart op, 1992.

8.Nbd2 Ne4 9.0-0 c5 10.Qc2 Nd2 11.Qd2 cb4 12.Qb4 Nc6 13.Qd2 Rc8 14.Rac1 Nb8 15.Rc2 Nd7 16.Rfc1 e6 17.h3 Nf6 18.a4 Ne4 19.Qd3 Nf6 20.Qb3 Be4 21.Rc3 Ba8 22.Qb5 Ne4 23.R3c2 Nf6 24.a5 ba5 25.Ba3 Rb8 26.Qa4 Be4 27.Rc3 Qc7 28.c5 d5 29.c6 Rfd8 30.Rc5 Rb6 31.Ra5 Rdb8 32.Ra7 Qc8 33.Bd6 Rb1 34.Rb1 Rb1 35.Kh2 Ne8 36.Bc5 Qb8 37.g3 Nc7 38.Bd6 1–0. brozal – bolero21, kurnik, 2012.

6.Be2 c5

7.a3 a5 8.b5 Nbd7 9.0-0 e5 10.d4 e4 11.Nfd2 b6 12.Nc3 Re8 13.Re1 Nf8 14.f3 ef3 15.Bf3 Rb8 16.Nd5 (16.Bc6 Bd7+=) 16...Nd5 17.Bd5 Be6 18.Bc6 Bd7 19.Bd5 Ne6 (19...Be6!?=) 20.Qf3+= Qf6 (20...Qe7!?+=) 21.Qg3 cd4 22.Rf1 (22.Qd6!? Red8 23.Qg3+=) 22...Qe5= 23.Bd4 (23.Qe5 de5 (worse 23...Be5 24.ed4 Bg7 25.Ne4+/-) 24.ed4 ed4=) 23...Qg3=+ 24.hg3 Nd4 25.Bf7 Kh8 26.Be8 Re8 27.ed4 Bd4 28.Kh2 Ba1 (28...Re5 29.g4 Ba1 30.Ra1 Bg4 31.Kg3-/+) 29.Ra1=+ Rc8 (29...Re3 30.a4=+) 30.Rf1 (30.Re1 Re8 31.Re8 Be8+=) 30...Be6 Exerts pressure on the backward pawn 31.Rf6 Re8 32.Ne4 Kg7 33.Rf2 (worse 33.Nd6 Kf6 34.Ne8 Ke7-+) 33...Rd8 (better 33...d5 34.cd5 Bd5=+) 34.Rc2? (better 34.Rd2=) 34...Bf5-+ 35.Re2 Re8 36.Nc3 Re2 37.Ne2 Bd3 38.Nc3 Bc4 39.g4 (39.Na4 Bb5 40.Nb6 Kf6-+) 39...Kf6 (39...d5 40.Kg3-+) 40.Kg3 0-1. negrovich1 (1895) - GerSanto (2070), Rated Blitz tournament, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 c5)

7.a3 a6 8.d4 cd4 (8...Qb6 9.0-0=) 9.Bd4 (9.Nd4 Nc6=) 9...Nc6 10.Nbd2 (10.Bb2 Bg4=) 10...e5 (10...Nd4 11.ed4 Re8 12.0-0=) 11.Bc3 Bg4 (11...Bf5 12.0-0=) 12.h3 (12.e4 Nh5+=) 12...Bf3 13.Nf3 Ne4 (13...Qc7 14.Rc1+=) 14.Bb2 b5?? (better 14...a5 15.b5 Ne7+=) 15.cb5 (15.Qd5 Nf2 16.Kf2 Ne7+–) 15...ab5 (15...Ne7 16.ba6 Rc8 17.0-0+–) 16.Bb5 (better 16.Qd5 Nb4 17.Qe4+–) 16...Ne7 (16...Qb6 17.Qd3 Nf6 18.Bc6 Qc6 19.0-0+–) 17.0-0+– f5 (17...Qb8 18.a4+–) 18.Bc4 (18.Qd3 Qb8+–) 18...Kh8 (18...d5 19.Bb3 Qd6 20.Qd3+–) 19.Bd5 (19.Bb3 h6+–) 19...Rc8 (19...Nd5!? 20.Qd5 Nf6+–) 20.Be4+– fe4 21.Nd2 (21.Ng5 Qb6 22.Ne4 d5+–) 21...Nf5? (21...d5 22.Nb3+–) 22.g4 (better 22.Ne4!? Rc6 23.Qd3+–) 22...Nh4+– 23.Ne4 d5 24.Nc5 (better 24.Nd2+–) 24...Qe7? (better 24...Nf3!? 25.Kg2 d4+–) 25.Qd5+– Nf3 26.Kg2 Nh4 (26...Rcd8 27.Qb7 Qf6 28.Bc3+–) 27.Kg3 Nf3 28.Qe6?? (better 28.Ne6+–) 28...Qh4–+ 29.Kg2 h5 (better 29...Ng5 30.Kg1 Qh3–+) 30.Qg6+– hg4 31.Qg4 Qg4 (31...Rc6 32.e4 Qh6+–) 32.hg4 e4 (32...Kg8 33.a4+–) 33.Bg7 (33.Rh1 Kg8 34.Bg7 Kg7 35.Ne6 Kf6 36.Nf8 Rf8 37.Rh6 Ke7+–) 33...Kg7 34.Ne4 (better 34.Ne6 Kg6 35.Nf8 Rf8+–) 34...Nh4 (34...Rc4 35.Ng3 Rg4 36.Rfd1+–) 35.Kg3 Ng6 (35...Nf3 36.Rfc1 Ne5 37.Rc8 Rc8 38.f4+–) 36.Rad1 (36.Nc5 Rfe8+–) 36...Ne5 (36...Ra8 37.Nc5 Rfb8 38.Rd3+–) 37.f4 Nc4 38.Rd7 Kg8 39.f5 (39.Rc1 Nd6 40.Nc5 Ne4 41.Kf3 Ng5 42.Ke2 Ne4+–) 39...Ne3 40.Rf3 (40.Rh1 Nf5 41.gf5 Rf5+–) 40...Nc4 41.Rf1 Na3?? (41...Ne3 42.Rh1 Nf5 43.gf5 Rf5+–) 42.f6+– Nc4 43.Rg7 Kh8 44.Rh1 1–0. OnlyPolishOpening (1845) – xid1999 (1745), lichess.org, 2020.

7.a3 Na6 8.b5 Nc7 9.0-0 d5 10.cd5 (10.d4 dc4 11.dc5 Nb5 12.Bc4 Nc7=) 10...Ncd5= 11.Qc2 b6 12.d3 (12.Rd1 Bf5 13.d3 Bg4+=) 12...Bd7 13.Qb3 a6 14.ba6 Ra6 15.Nc3 Nc3 16.Bc3 Be6 17.Qb2 Qc7 18.Ng5 Bd7 19.h3 Ne8 (19...Bf5 20.Rfc1=) 20.d4 (20.Rfc1 Bc3 21.Rc3 Nd6+=) 20...c4= 21.Rfc1 Nd6 22.Bb4 b5 23.Nf3 Bc6 24.Bd1 (24.Ne5!?+=) 24...Qb7 25.Qe2 Be4 26.Ne1 (26.a4 Rc8=) 26...Rd8 (26...e5 27.de5 Be5 28.Ra2–/+) 27.Bc3 Rda8 28.Qb2 Qa7 Increasing the pressure on the isolated pawn on a3 29.Bb4 Nf5 30.Ra2 Qc7 31.Bf3 Qc6 32.Be4 Qe4 33.Nf3 h6 34.Bc5 Qc6 35.Qb1 Nd6 36.Ne1 e5 37.Nc2 (37.Bd6 Qd6 38.Qb5 ed4 39.ed4 Bd4 40.Qc4 Ra3 41.Ra3 Ra3=) 37...ed4 38.ed4 Qd7 39.Ne3 Nb7 40.Qe4 (40.Rd1!?=+) 40...Re8 (40...Nc5 41.dc5 Qc6 42.Qd5–+) 41.Qf3 Nc5 42.dc5 Opening the d–file gets Black a lot of play 42...Qa7 43.c6 Qc5 Black plans c3 44.a4 c3 (44...Rc6 45.ab5 Qb5 46.Rac2=+) 45.Nd5= b4 (45...Rc6 46.ab5 Rce6 47.Kh2=+) 46.Re2 (46.Nc7 Qc6 47.Ne8 b3=) 46...Re2 47.Qe2 Rc6 (47...Ra4 48.Qe8 Qf8 49.Ne7 Kh7 50.Qf8 Bf8 51.c7=+) 48.Nb4 Re6 (48...Qb4 49.Qe8 Theme: Double Attack) 49.Qb5 Qd4 50.Nd5?? (better 50.Nd3–/+) 50...Qd2–+ 51.Rf1 (51.Qf1 Qd5 52.g3 Bd4–+) 51...c2 52.Qb8 Kh7 53.Qf4 Qd5 54.g3 (54.Qc1 Rc6 55.Qa3–+) 54...Qd1! 55.Kg2 (55.Rd1 cd1Q) 55...Re1 56.h4 Rf1 57.h5 (57.g4 Rg1 58.Kh3 Qf1 59.Kh2 Qg2) 57...Rg1 (57...Qh5 58.Kf1 Qh1 59.Ke2 Qd1 60.Ke3 c1Q 61.Ke4 Qe2 62.Qe3 Qcc4) 58.Kh3 Qh5 59.Qh4 Rh1 60.Kg2 Rh4 (60...Qd5 61.Qe4 Qe4 62.f3 Qe2 63.Kh1 c1Q) 61.g4 (61.gh4 Qg4 62.Kh2 c1Q 63.a5 Qcg1) 61…Qd5 (61...Qd5 62.Kg3 Rg4 63.Kg4 Qg2 64.Kf4 c1Q; 61...Qg4 62.Kf1 c1Q) 0–1. Basanta (2260) – Ross,P (2260), Canada, 1989. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 0-0 6.Be2 c5)

7.a3 cb4 8.ab4 a6 9.0-0 Nc6 10.b5 Nb8 (10...Na5 11.Nc3+=) 11.Nc3 (11.d4 Nbd7+/-) 11...b6 (11...a5 12.d4+/-) 12.Nd4 (12.Ng5 Bb7+/-) 12...Bb7 13.Bf3 (13.f4 e5 14.Nb3 ef4 15.Rf4 Nbd7+=) 13...Qc7+= 14.Bb7 (14.g4 e5 15.ba6 Bf3 16.Qf3 Ra6 (worse is 16...ed4 17.Qa8 dc3 18.Bc3 Qc4 19.h3+–) 17.Ra6 Na6+=) 14...Qb7 15.f4 e5 (15...ab5 16.Ra8 Qa8 17.Ndb5+=) 16.fe5 de5 17.Qf3 Qf3 18.Nf3 a5 (18...e4!? 19.Nd4 a5+=) 19.Ne5+/- Nbd7 (19...Re8 20.d4+/-) 20.Nd7 (20.Nc6 Rfe8 21.Ra2 Re6+/-) 20...Nd7+/- 21.d4 Rfe8 22.Nd5 Rac8 (22...Re4 23.Rf4 Rf4 24.ef4+/-) 23.c5!+– bc5 24.Ra5 cd4 (24...Rcd8 25.Ra7+–) 25.Ra7 de3? (better is 25...Rcd8 26.Bd4 Bd4 27.ed4 Re6+–) 26.Bg7 (26.Rd7?! e2 27.Re1 Bb2 28.Ne7 Re7 29.Re7 Bd4 30.Kh1 Bf2 31.R7e2 Be1 32.Re1 Kf8=) 26...Kg7 (26...e2 27.Re1 Kg7 28.Rd7+–) 27.Rd7 e2 28.Re1 (28.Rff7?! Kh6 29.Rh7 Kg5=; 28.Rdf7?! Kg8 29.Ne7 Re7 30.Re7 ef1N 31.Kf1 Rb8+=) 28...Rc2 (28...Red8 29.Rd8 Rd8 30.Nc3+–) 29.b6 (better is 29.Nc7 Rc8 30.b6+–) 29...Rd2 (29...Rb2+–) 30.Nf6! Rb8 (30...Kf6 31.Rd2 Discovered attack) 31.Ne8! Re8 (31...Kf8 32.Rd2 Rb6 33.Ree2+–) 32.Rd2 1–0. Janek – Icci, internet, 2017.

7.a3 Nbd7 8.d4 b6 9.Nbd2 Bb7 10.0-0 Ne4 11.Qc2 Nd2 12.Nd2 cd4 13.ed4 e6 14.Nf3 White intends c5 14...Nf6 15.Qb3 d5 16.c5 Ne4 17.Rac1 bc5 18.bc5 (better is 18.dc5!? Rc8 19.Bg7 Kg7 20.Qb2 Kg8 21.Bb5+/-) 18...Rb8+= 19.Qa2 Bc6 20.Bd3 Bb5 21.Rfd1 Bd3 22.Rd3 Qc7 23.Ba1 Rb7 24.Nd2 Qf4 25.Rf1 Nf6 26.h3 Rfb8 27.Nb3 Ne4 28.Na5 Rb5 29.Nc6 Ra8 30.a4 Rb7 31.Na5 Rb4 32.Qa3 Rab8 33.Qa2 Qc7 34.Nb3 Qc6 35.a5 Qb5 36.Rfd1?? (36.Nc1–+) 36...Rb3 37.Rb3 Qb3 38.Qb3 Rb3 39.f3 Nc3 40.c6 Nb5 (40...Nd1 41.c7 Rb1 42.c8Q Bf8 43.Kf1 Ra1 44.a6 Nb2 45.Ke2–+) 41.Rc1 Nc7 42.Kf1 Kf8 0–1. Skrzypczak,Michal (1980) – Rusinski,Mateusz (1890), Wielkopolska Liga Seniorow Poland, 2011.

7.b5 Bd7 8.Nc3 e5 9.Ng5 Be8 10.Nge4 Ne4 11.Ne4 Nd7 (better is 11...a6!?=) 12.Nd6+/- Qc7 13.Ne4 b6 14.0-0 Nf6 15.Nf6 Bf6 16.Qc2 Rd8 17.a4 Qd7 18.d3 Bg7 19.Rfd1 e4? (better is 19...Qd6!?+–) 20.Bg7 Kg7 21.Rd2 (21.de4!? Qe7+–) 21...ed3 22.Rd3 Qe7 23.Rad1 Bd7?? (better is 23...Rd3 24.Qd3 f6+–) 24.Qd2 Bf5 (24...Bb5 25.Rd8 Ba4 26.Rf8 Kf8+–) 25.Rd8 Rd8 26.Qd8 (26.Qd8 Qf6 27.a5 ba5 28.Qf6 Kf6 29.Ra1+–) 1–0. Rush,Bradley – Rossini,Carla, ZL–2011–0-01022, 2011.

7.b5 Nbd7 8.0-0 Nb6 9.a4 d5 10.cd5 Nbd5 11.h3 b6 12.Nh2 Bb7 13.Bf3 Qc7 14.Nc3 Rad8 15.Nd5 Nd5 16.Bg7 Kg7 17.Qc2 Qe5 18.a5 Nb4 19.Qd1 Nd3 20.Bb7 1–0. Abdullaevich (1815) – edog527 (1740), lichess.org, 2020.

7.b5 e6 8.d4 b6 9.0-0 Bb7 10.a4 a5 11.Nbd2 Nbd7 12.Re1 Re8 13.Qc2 d5 14.Nf1 Rc8 15.Rac1 = dc4 16.Qc4 cd4 17.Qd4 Nc5 18.Ra1 Bd5 19.Bd1 Bf3 20.Bf3 Nd3 21.Bc6 Nb2 22.Qb2 Nd5 23.Qb1 Ba1 24.Qa1 Rf8 25.Ng3 Qf6 26.Qb1 Rfd8 27.Ne4 Qg7 28.h4 Nc3 29.Nc3 Qc3 30.Rd1 Rd2 31.Rd2 Qd2 32.Qa1 Rd8 33.Qf6 Qd6 34.e4 Qd4 35.e5 Rf8 36.Bf3 Rc8 37.h5 Rc1 38.Kh2 Rc5 39.hg6 hg6 0–1. Heymach – Michel, 1997.

7.a3 b6

8.0-0 Bb7

9.Nc3 Nbd7 10.Qb3 Rc8 11.Rfd1 Qc7 12.d3 Qb8 13.a4 e6 14.a5 Bf3 15.Bf3 Ne5 16.Be2 cb4 17.Nb5 a6 18.Nd4 ba5 19.Qa4 d5 20.Rdc1 dc4 21.dc4 Nfd7 22.Qa5 Nc5 23.Rcb1 Ned3 24.Bc3 Qd6 25.Bd3? (better is 25.Bb4 Nb4 26.Rb4 Bd4 27.Rd1–/+) 25...bc3–+ (25...Nd3?! 26.Bb4 Nb4 27.Rb4=) 26.Bf1 Bd4 27.ed4 Qd4 28.Rd1 Qg7 29.Ra2 Nb3 30.Qa6 Qe5 31.Re2 Qf6 32.Qb6 Nd2 33.Qb4 Rc4 (33...Rc4 34.Qa3 Rd8–+; 33...Nc4?! 34.Rc2 Nd2 35.Rdc1–/+) 0–1. Espig,Lutz (2465) – Tseshkovsky,Vitaly (2505), DSV–Turnier 7th, 1984. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

9.Nc3 e5 10.d3 Nc6 (10...Nbd7 11.d4+=) 11.Qb3 (11.b5 Ne7+=) 11...Rb8 (11...a6 12.Rfb1+=) 12.Nd2 (12.b5 Na5 13.Qc2 Ra8+=) 12...Ne7 13.Bf3 (13.e4 Nd7+=) 13...Bf3 (13...d5 14.b5=) 14.Nf3 (worse is 14.gf3 d5+=) 14...Re8 15.Rad1 (15.Qa4 a5+=) 15...Nf5 16.Ne4 (16.b5 Ra8+=) 16...Qc7 (16...b5 17.cb5 Rb5 18.Qa4=) 17.Qa4 Rbd8 18.Nfd2 h6 19.Nf6 Bf6 20.Ne4 (20.e4 Nd4+=) 20...Bg7 21.Ng3 ½–½. Espig,Lutz (2260) – Page,Mark E (2080), World Senior Teams +50, 2016. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5 7.a3 b6)

9.Nc3 e5 10.d4 e4 11.Nd2 cd4 12.ed4 Re8 13.Re1 Nc6 14.d5 Nd4 15.Bf1 Will e4 fall? 15...Nf5 16.g4 Nh4 17.g5 (better is 17.Rb1+/-) 17...Nd5+= 18.cd5 Qg5 19.Kh1 Bc3 20.Bc3 Bd5 21.Re3 Nf5 22.Nf3? (22.Qe1 Ne3 23.fe3–/+) 22...Qf4?? (better is 22...ef3 23.Re8 Re8–+) 23.Qd5+= Ne3 24.fe3 Qf3 25.Bg2 Qe3 26.Bd2 Qd3 27.Qd3 ed3 28.Ba8 Ra8 29.Rc1 Kg7 30.Bc3 f6 31.Rf1 Rf8 32.Kg2 g5 33.Rf3 Kg6 34.Rd3 Rc8 35.Bd2 Rd8 36.Kf3 d5 37.Bc3 h5 38.b5 Rc8 39.Bb4 Rd8 40.Ke3 f5 41.h4 gh4 42.Kf4 d4 43.a4 Rd7 44.Ba3 (better is 44.Be1!?=) 44...h3+= 45.Rg3 Kf7 46.Bb4 d3 47.Bd2 Rd4 48.Kf5 Rh4 49.Rg1 Rg4 50.Rh1 Rg2 (50...Ra4?! 51.Rh3 a6 52.ba6 Ra6 53.Rd3=) 51.Bf4 d2 52.Bd2 Rd2 53.Rh3 Rd5 54.Ke4 Rc5 55.Kd4 Kg6 56.Re3 h4 57.Re6 Kf5 58.Re7 h3 59.Rh7 (59.Ra7 Kg4 60.a5–+) 59...Kg4 60.Ke3 Rh5 61.Rg7 Rg5 62.Rh7 Kg3 63.Ke2 (63.Rd7 h2 64.Rd1 Rh5–+) 63...h2 64.Kf1 (64.Rh2 Kh2 65.Kd2 Rg4–+) 64...Rg4 65.Rh8 Rh4 (65...Rh4 66.Rh4 Kh4–+) 0–1. Khurtsidze,Nino (2455) – Ju,Wenjun (2515), Jermuk ARM, FIDE WGP, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

9.d3 Na6 10.b5 Nc7 11.Qc2 d5 12.Nbd2 e6 13.Rfd1 Qe7 14.Ne5 Rad8 15.a4 a5 16.f4 Nd7 17.Ndf3 f6 18.Ng4 e5 19.Re1 e4 20.de4 Qe4 21.Nd2?? (better is 21.Bd3 Qe7 22.f5=) 21...f5 (better is 21...Qc2 22.Bc1 f5 23.Ne5 Ne5 24.fe5 Be5 25.Bd1–+) 22.Bg7 (22.Ne4 fe4 23.Bg7 Kg7 24.cd5 Bd5 25.Qc3 Kf7+–) 22...Kg7 (better is 22...Qc2 23.Rec1 Qd2–+) 23.Nf2 (23.Ne4 fe4 24.cd5 Bd5+–) 23...Nf6 (better is 23...Qc2 24.Red1 dc4 25.Bc4 Nb8–+) 24.Nb3 Rd6 ½–½. Vinklarek,Ondrej (1695) – Pastva,Tomas, Most op–B, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5 7.a3 b6)

9.d4 cd4 10.Nd4 Nbd7 11.Nc3 Rc8 12.Qb3 a6 13.Rfd1 e6 14.Bf3 Bf3 15.Nf3 (worse 15.gf3 Ne5-/+) 15...Qc7 16.Qa4 Qb7 (16...Ra8 17.Rac1=) 17.Rd6+= Rc4 18.Rad1 Rfc8 19.Rd7 Nd7 20.Rd7 Rc3 21.Bc3 (21.Rb7?? Rc1 22.Bc1 Rc1 23.Qd1 Rd1 24.Ne1 Re1) 21...Rc3 22.Rd8 (22.Rb7?? Rc1 23.Qd1 Rd1 24.Ne1 Re1) 22...Bf8 23.Rd1 b5 24.Qa5 Be7 25.h3 Kg7 26.Ne5 Bf6 27.Nd7 Be7 28.Ne5 Bf6 29.Nd7 Be7 ½-½. Galchenko,Matvey (2415) - Holm,Kristian Stuvik (2480), TCh-NOR Elite, 2020. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Be2 c5)

9.d4 Nbd7 10.Nc3 cd4 11.ed4 e6 12.Re1 a6 13.Nd2 (13.d5 Qc7+=) 13...Qc7= 14.Rc1 Rac8 (14...Rfc8 15.Bf3=) 15.d5 (15.b5 Rfe8+=) 15...ed5 (15...Ne5!?=) 16.Nd5+/- Nd5 17.cd5 Qd8 18.Rc8 Qc8 19.Bg7 Kg7 20.Ne4 Qc7 21.h4 (21.b5!? Ra8 22.Qd4 f6 23.f4+/-) 21...Kg8 22.h5 b5 (22...Re8 23.Qd4 gh5 24.Ng3=) 23.h6 1–0. DiAlfonso,Darren (2115) – Van Mechelen,Jan (2275), FICGS, 2016.

7.a3 Nc6

8.Qb3 b6 (8...Bg4 9.Nc3=) 9.0-0 Bb7 10.d4 Qd7 11.d5 Nb8 12.Nc3 Qd8 13.Rad1 Nbd7 14.h3 Ne8 15.Rfe1 Nc7 16.e4 Ne5 17.Ne5 Be5 18.Na4 Bb2 19.Nb2 Bc8 20.Bf3 f6 21.h4 Ne8 22.h5 g5 23.g3 (23.Qe3 Qc7+/-) 23...Bd7 24.Nd3 Qc8 25.h6 Nc7 26.Bh1 (26.bc5 bc5 27.Rb1 Rb8+=) 26...Na6 (26...Qe8 27.Rd2=) 27.b5 (27.Rb1 Qe8+=) 27...Nc7= 28.f4 gf4 29.gf4 (29.Nf4 a6 30.a4 Kh8=) 29...Kh8 30.Kh2 (30.Rb1!?=) 30...Rg8-/+ 31.Rg1 Rg1 (31...Bg4 32.Rdf1 Qf8 33.Nf2 Qh6 34.Nh3-/+) 32.Rg1=+ Qf8 33.Rg7 Ne8 34.Rg3 (34.Rg2 Qh6 35.Kg1 Nc7=+) 34...Qh6-/+ 35.Kg1 Ng7 (better 35...Qh4 36.Re3 Nc7-/+) 36.f5? (better 36.Bf3=+) 36...Nh5-+ 37.Rg2 (37.Rf3 Rg8 38.Bg2-+) 37...Nf4?? (better 37...Qe3 38.Kh2 Nf4-+) 38.Nf4=+ Qf4 39.Qc2 (39.Qg3 Qg3 40.Rg3 a6 41.ba6 b5=+) 39...a6 40.ba6 Ra6 41.Qc3 Ra8 42.Qh3?? (42.Qg3 Qg3 43.Rg3 b5 44.cb5 Bb5-/+) 42...Rg8 (better 42...Qc1 43.Kh2 Ra3-+ (43...Qc4?? 44.Qg3 Bf5 45.Qg7; worse 43...Qa3 44.Qg4 Qg3 45.Qg3 Bf5 46.Qg7)) 43.Rg8=+ Kg8 44.Qg2 Qg5 45.Kf2 Qg2 46.Bg2 (46.Kg2? Ba4-+) 46...Ba4 47.Bf1 (47.Bf3 Bb3 48.Be2 h5-/+) 47...Bb3 (47...Kg7 48.Ke3-/+) 48.Kg3 Kg7 49.Kg4 (49.Be2 Bc2 50.Kf4 h5-/+) 49...Bd1 50.Kh4 (50.Kg3-/+) 50...h5 (better 50...Bc2-+) 51.Bd3=+ Kh6 52.Bb1 (52.Bf1 Bc2 53.Kg3 Be4-+) 52...Bb3 (better 52...Be2-+) 53.Bd3=+ Ba2 54.Be2 (54.Kg3 Kg5-+) 54...Bb1 55.Bf3 Bc2 56.Bh5 Bd3 (56...Be4!? 57.Bd1 Bf5 58.Bb3-+) 57.Bf3 Bc4 58.Kg3 Kg5 59.Bg2? (59.Bd1 Ba2-+) 59...Bd3 (better 59...Bb5 60.Bh1 c4-+) 60.Bh1?? (better 60.Kf3-+) 60...c4 61.Kf2 (61.Kf3 c3 62.Ke3 c2-+) 61...c3 62.Ke3 c2 63.Kd2 Kf4 64.a4 (64.Bg2-+) 64...Be4 65.Be4 Ke4 66.Kc2 Kd5 67.Kc3 Kc5 68.Kb3 d5 69.Kc3 b5 (better 69...d4 70.Kb3 Kd5-+) 70.a5 b4 71.Kb3 Kb5 72.a6 Ka6 73.Kb4 Kb6 74.Kc3 Kc6 75.Kd4 Kd6 76.Kd3 e6 (better 76...Ke5 77.Ke3-+) 77.fe6 Ke6 78.Kd4 Kd6 79.Ke3 ½-½. Panesso (2555) - zsolti_83 (2605), Rated Blitz game, lichess.org, 2021.

8.b5 Na5 9.0-0 Be6 10.d3 d5 11.Nbd2 dc4 12.dc4 b6 (12...a6 13.Be5=) 13.Bc3 (13.Qc1 a6+=) 13...Nb7 (13...a6 14.Ng5=) 14.Ng5+= Bd7 15.Bf3 Qc7 16.Qb3 Rad8 17.Rfd1 Bf5 18.Nde4 (18.Qb2 Ng4 19.Nf1 Bc3 20.Qc3 f6+=) 18...Ng4 (18...Na5 19.Qc2=) 19.Ng3 (19.Bg4 Bg4 20.f3 Bc3 21.Nc3 Qe5=) 19...Ne5 (better 19...Na5!? 20.Qb2 Nc4=+) 20.Nf5+/- gf5 21.Be2 Rd1 22.Rd1 (worse 22.Qd1 h6 23.Nh3 Ng4 24.Bg4 Bc3 25.Bf5 Ba1 26.Qa1 Rd8=+) 22...Rd8 23.Nf3 (23.Rd8 Nd8 24.Qc2 h6+/-) 23...Nf3 24.Bf3 Rd1 25.Bd1 Bc3 26.Qc3 Qd6 (26...e5 27.Be2+=) 27.Be2 (27.Bf3 f4+/-) 27...f4+= 28.Bf3 (28.h3 Na5+=) 28...fe3 29.Qe3 Na5 30.Bd5 (30.Be2 Qd4+=) 30...Qg6 31.h4 (31.h3 e6 32.Be4 Nc4=) 31...e6=+ 32.Be4 Qf6 (32...Qg4 33.Bd3 Qh4 34.Qe2=+) 33.Qd3 (better 33.Qg3!? Kh8 34.Bd3=) 33...Qh4=+ 34.g3 Qh5 (34...Qg5 35.Qc2 h5 36.Kf1-/+) 35.Bf3 (35.Kg2 Qg5=+) 35...Qg6 36.Be4 Qh6 37.Qd8 (37.Qc2!?=+) 37...Kg7-/+ 38.Kg2 1-0. ZoeMcNally (2320) - Makm1983 (2135), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

8.b5 Na5 9.d3 d5 10.Nbd2 dc4 11.dc4 Bf5 12.Qc1 Bd3 13.a4 (13.Bd3 Qd3 14.Qc3 Qd8+=) 13...Ne8 (13...Be2 14.Ke2 Qb6 15.Rd1=) 14.Bg7+= Ng7 15.Qc3 (15.Bd3 Qd3 16.Ne5 Qf5+=) 15...Be2 16.Ke2 b6 (16...Nf5 17.Rhd1 Qc7 18.Rab1+=) 17.Nb3 (17.Rhd1 Qe8+=) 17...Nb3= 18.Qb3 a6 (18...Qc7 19.Rhd1=) 19.Ne5 (19.Rhd1 Qc7+=) 19...Qd6 (19...Qc7 20.Nc6=) 20.Qc3 Nf5 21.Nc6 Qe6 22.Rhc1 f6 (22...Rfc8 23.Kf1=) 23.Kf1 (23.a5 ba5 24.Ra5 Nd6+=) 23...Nd6= 24.h3 (24.Kg1 Rfc8=) 24...Kf7 25.Qc2 Rfc8 26.Rab1 ab5 27.cb5 Nb7 28.Rd1 Na5 29.Na5 Ra5 30.Kg1 Ra7 31.Rd2 Rca8 ½–½. Rustemov,A (2570) – Belov,Vl (2605), ch–Moscow Final, Moscow RUS, 2006. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

7.a3 e5

8.d3 b6 9.0-0 Re8 10.Nfd2 a6 11.Nc3 Ra7 12.Nde4+= Nc6 13.Bf3 Ne7 14.Rb1 (14.Nf6 Bf6 15.Ne4 Bg7+=) 14...h5 (14...Ne4!? 15.Be4 f5+=) 15.Nf6+/- Bf6 16.Nd5 (16.b5 Bg7+=) 16...Nd5 17.Bd5 Be6 18.Be6 (18.Bc6 Bd7 19.Be4 Bg7+/-) 18...Re6+= 19.Qf3 Qa8 20.Qa8 (20.Qg3 h4 21.Qg4 d5+=) 20...Ra8= 21.Bc3 Bd8 (21...Be7 22.Rb2=) 22.e4+= f5 23.Rfe1 (23.bc5 dc5 24.f4 fe4 25.Be5 ed3=) 23...f4 (23...cb4 24.Bb4 Bg5 25.g3=) 24.Kf1+= Bc7 (24...Kf7 25.Ke2+=) 25.a4 Ree8 26.bc5 (26.Ke2 Kf7+=) 26...bc5 (26...dc5!? 27.Ke2 Rad8=) 27.Rb7+/- Rec8 (27...Re7 28.Reb1 Kf7 29.a5+/-) 28.Reb1 g5 (28...Kf8 29.Ke2+/-) 29.Ke2 Kf8 30.g3 Ke8 31.gf4 (31.Bd2 Rcb8+/-) 31...gf4+= 32.Rg1 Kd7 33.Ba5 Kc6 34.Rc7 (34.Bc7 Rc7 35.Rc7 Kc7 36.Rg7 Kb6 37.a5 Ka5+=) 34...Rc7 35.Bc7 Kc7 36.a5 Rb8 37.Rg7 Kc6 38.Ra7 Rb2 39.Ke1 Rb1 40.Ke2 Rb2 41.Ke1 ½–½. Espig,L (2355) – Bindrich,F (2485), Czech Open A, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

8.d4 cd4 9.ed4 e4 10.Nfd2 Nc6 11.d5 Ne7 12.0-0 Nf5 13.Qb3 Re8 14.Nc3 Bh6 15.Bc1 e3 16.Nf3 Ng4 17.fe3 Nfe3 18.Re1 Bf5 19.Ra2 a6 20.h3 Ne5 21.Nd1 Ng2 22.Bh6 (22.Kg2 Bc1 Discovered attack) 22...Ne1 23.Ne1 Qh4 24.Bd2 Nd3 25.Bd3 Qg3 26.Ng2 Re2! 27.Nde3 (27.Be2 Qb3 Pinning (27...Qb3 Deflection)) 27...Bd3 28.Qd3 Rg2! (28...Rg2 29.Ng2 Qd3–+) 0–1. Dolzhikova,Kateryna (2290) – Truskavetsky,Alexandr (2390), UKR–ch Alushta, 2009.

7.b5 a6

8.0-0 ab5 9.cb5 b6 10.d4 Nbd7 (10...Bf5 11.dc5 dc5 12.Qc1= (12.Bc4 e6 13.Qe2 Qe7 14.Rd1 Nbd7 15.Nc3= 0.06) 12...Qc7 13.Rd1 Nbd7 14.Nbd2 Rfd8 15.Nd4= 0.06) 11.Nbd2 (11.Nc3 Bb7= 12.Rc1 e6 13.Qc2 Qe7 14.a4 cd4 15.Nd4= –0.19) 11...Bb7 12.a4 (12.a3 Qc7= 13.dc5 Nc5 14.Rc1 Rfc8 15.Nb3= –0.09) 12...Qc7 (12...Qb8 13.Nc4= Rc8 14.dc5 Rc5 15.Qb3= 0.00) 13.Re1 (13.Qc2 Rfc8= 14.Rfc1 Qd8 15.Qd1= 0.00; 13.Rc1 Qb8 14.Nc4 Qa7 15.Ra1= –0.06) 13...cd4 (13...Rfc8 14.Rc1= (14.Bd3 d5 15.Rc1+= –0.28) 14...Qb8 15.Bd3= 0.00) 14.Rc1 Qb8 15.ed4 Nd5 (15...Rc8 16.Rc8 Qc8 17.Nc4=) 16.Bc4 (16.Ne4 Rc8=) 16...N7f6 17.h4 (17.Qb3 e6=) 17...Qd8 (17...Qa7 18.Bb3+=) 18.Bf1 (18.Qc2 Qd7+=) 18...Ra7 (18...Qd7 19.Bc4+=) 19.Nc4 Bc8 (19...Qd7 20.Bd3+=) 20.Qb3 (20.Ne3 Ne3 21.Re3 Bf5+=) 20...Bg4+= 21.Ra1 (21.Be2 Nf4+=) 21...Qa8 22.Nh2 Bc8 (22...Be6 23.Nf3+=) 23.g3 (23.Be2 Bb7+=) 23...Bb7 24.Bh3 (24.Bg2 Rd8+=) 24...Qd8 (24...Rd8 25.Bc3+=) 25.Ra2 (25.Nf3 Re8+=) 25...Bc8 26.Bg2 Be6 27.Nf3 h6 28.Re6 fe6–/+ 29.Bh3 Kh7 30.Be6 Nc7 31.Bh3 Rb7 32.Ra1 Qe8 33.Qd3 Qf7 34.Bg2 Ncd5–/+ 35.a5 ba5 36.Ra5 Qe6 37.Bc1 Qf5 38.Qd1 Nc3 39.Qe1 Qd3 40.Nb2 Qc2 41.Bf1 Rc8 42.Ra1? Qe4 43.Qe4 Nfe4 44.Bd3 d5 45.Ne5 Be5 46.de5 Nc5 47.h5 Nb3 48.Bg6 Kg7 49.Bf5 Ne2 50.Kg2 Rc1 51.Ra6 Nbd4 52.Rg6 Kf7 53.Bd3 Rg1 54.Kh3 Rh1 55.Kg4 e6 56.b6?? Rb6–+ 57.Rh6 Rb2 58.Rh8 Kg7 59.Rh7 Kg8 60.h6 Nf5 61.Bf5 ef5 (61...ef5 62.Kf5 Kh7–+) 0–1. Lutsko,I (2485) – Shishkin,Va (2545), 4th I.Platonov Mem, Kyiv UKR, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

8.a4 a5 9.Qc2 b6 (9...Qd7 10.0-0+=) 10.d3 e5 11.Ng5 (11.0-0 Qc7+=) 11...Bh6 (11...Nd5 12.cd5 Qg5 13.0-0=) 12.Ne4 Ne4 13.de4 Nd7 (13...f5 14.Nc3+=) 14.0-0 Nf6 15.Nc3 Bb7 16.Rad1 Bc8 (16...Qe7 17.Rd2+=) 17.Nd5 (17.Qd3 Ne8+/-) 17...Bg7 (17...Nd5 18.Rd5 Bb7 19.Rd2+=) 18.f4 (18.Qd3+/-) 18...ef4? (18...Nd5 19.cd5 Re8 20.Bd3+=) 19.ef4 (19.Nf6 Bf6 20.e5 Bg7 21.Rd6 Qe7 22.ef4 Rb8+–) 19...Nd7 (better is 19...Nd5!? 20.Bg7 Kg7 21.Rd5 Bb7+=) 20.Bg7+– Kg7 21.Qc3 f6 22.Rf3 Re8 23.Rdf1 (23.Rfd3!?+–) 23...Bb7 (23...Re4 24.Re3 Re3 25.Qe3 Bb7+=) 24.e5 (better is 24.Re3!?+=) 24...Bd5 25.cd5 de5 26.fe5 (26.f5 Qe7+=) 26...Re5 (26...Ne5 27.Rf6 Qf6 28.Rf6 Kf6 29.Bg4+=) 27.Bc4 (27.Rf6 Qf6 (27...Rd5?? 28.Rf7 Kh6 29.Qg7 Kg5 30.R7f4 Rc8 31.h4) 28.Rf6 Kf6=) 27...f5 (27...Qe7 28.Rh3+=) 28.Re3 (28.Rh3 Qf6+=) 28...Qf6 29.Rfe1 (29.Re5 Qe5 30.Qd2 Nf6–/+) 29...Rae8–/+ 30.Re5 Ne5 31.Bb3?? (31.Re2 Nd7 32.Qf6 Nf6–/+ (32...Kf6?? 33.Re8 f4 34.d6+–)) 31...Kf8 (better is 31...Nf3! 32.Qf3 Re1 33.Kf2 Rb1–+) 32.Kf1 (32.Rd1 Ng4 33.Qf6 Nf6–+) 32...Qd6 (32...Qh4 33.Re2 Qh2 34.d6 Qf4 35.Ke1–+) 33.Rd1? (33.Re3 Kf7–/+) 33...Kf7 (33...Ng4 34.Qh8 Kf7 35.Qh7 Kf6–+) 34.h3 Rc8 35.Re1 (better is 35.Kg1–/+) 35...Re8 (35...c4 36.Bc2 Re8 37.Rd1–/+) 36.Qe3 (36.Rd1 c4 37.Bc4–/+) 36...Kf6 (36...Re7 37.Qc3–/+) 37.Qf4 (37.Qh6 Nf7 38.Qh4 g5–/+) 37...g5 (37...Nf7 38.Qh4 g5 39.Qf2 Re1 40.Ke1 Qe5 41.Kf1 Qa1 42.Qe1 Qe1 43.Ke1–+) 38.Qe3 (38.Qd2 Kg6+=) 38...h6 39.h4 f4 (39...Re7 40.hg5 hg5 41.Qc3–/+) 40.hg5 (40.Qe4 Qd7 41.Bc2 f3+=) 40...hg5 (40...Kg5 41.Qh3–/+) 41.Qh3+= Kg6 (better is 41...Kg7!?+=) 42.Bc2= Kf6? (42...Kg7 43.Qh7 Kf8 44.Qf5 Nf7 45.Re6+=) 43.Qh6 (better is 43.Qf5!? Kg7 44.Qg5 Kf8 45.Qf4 Nf7 46.Re8 Ke8 47.Qd6 Nd6 48.g4+–) 43...Ke7+= 44.Qg5 Kd7 45.Bf5 Kc7 46.Qg7 Kd8 47.Qg5 Kc7 48.Be6 (better is 48.Qg7 Qe7 49.Qe7 Re7 50.Re4=) 48...Nd3?? (48...Nc4 49.Kf2=) 49.Re2?? (better is 49.Qg6 Rd8 50.Qd3+–) 49...c4= 50.Qg7 Kd8?? (50...Kb8 51.Qd4=) 51.Qc3?? (better is 51.Qb7 f3 52.gf3+–) 51...Qc7 (51...Qb4 52.Rc2 Qb1 (52...Qa4 53.Qf6 Kc7 54.d6 Kb8 55.d7 Qb5 56.de8R Qe8 57.Re2+–) 53.Ke2 Rf8–/+) 52.Qf6 (52.Re4 Qc5 53.Qf6 Kc7=) 52...Qe7= 53.Qd4 Qc7?? (better is 53...Qc5 54.Re4 c3 55.Qc5 Nc5 (worse is 55...bc5 56.Rc4+/-) 56.Rf4 Nb3=) 54.d6+– Qc5 55.Qf6 (55.Qf6 Re7 56.Qe7) 1–0. Goldmund,Heike – Barradas,Anderson, FICGS, 2016.

8.a4 d5 9.0-0= dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Ne4 13.Bg7+= Kg7 14.d4 Nd6 15.Qb3 cd4+= 16.Nd4 Nd7 17.Qc3 Nf6 18.Be2 Qb6 19.Nd2 Kg8 20.Nc4 Nc4 21.Qc4 Bd7 22.Rb1 Ne4 23.Qd3 Nd6 24.Rc1 Ra8 25.h3 Ra5= 26.Rb1 Ra2 27.Qb3 Qa5 28.Qb4 Qb4–+ 29.Rb4 e5 30.Bf3 Be8 31.Bd5? Ra1–+ 32.Kh2 ed4 33.Rd4 Nb5 34.Re4 Bc6 35.Bc6 bc6 (36.Rc4 Ra6–+) 0–1. Sellmer,Dirk – Goers,Joachim, Schleswig Holstein–ch, 1991.

8.a4 Nbd7 9.0-0 b6 10.Nc3 Bb7 11.d3 a5 (11...e6 12.Rb1=) 12.Qc2 Ne5 (12...Qc7 13.Rfe1=) 13.Ng5 (13.Ne5 de5 14.f3 Bh6+=) 13...h6 14.Nge4 Ne4 15.de4 Kh7 (15...Nd7 16.Rad1+=) 16.f4 Nd7 17.Rad1 f6 (17...Qc7 18.Nd5 Bd5 19.ed5 Bb2 20.Qb2+=) 18.Bg4 1–0. DEFFM – GuestMNXG, freechess.org, 2018.

8.a4 e5 9.d4 e4 10.Nfd2=.

8.Qa4 Bf5=.

8.a4 ab5 9.ab5 Ra1

10.Ba1 Qa5 11.Nc3 Qa3 (11...Bf5 12.0-0=) 12.0-0+= Nbd7 (12...Bf5 13.d3+=) 13.Qc2 b6 (13...Qa5 14.Bb2+=) 14.Bb2 Qa8 (14...Qa7 15.Ra1 Qc7 16.Nd5 Nd5 17.Bg7 Kg7 18.cd5+=) 15.Ra1 Qb7 16.Nh4 (16.d3 Qc7+=) 16...Ne8 (16...e6!?+=) 17.Bf3 Qc7 18.Nd5 Qd8 19.Ra8 e6 (19...Kh8 20.Bg7 Ng7 21.Nc3+/-) 20.Rc8 Qh4 (20...Qc8 21.Ne7 Double attack (21.Ne7 Decoy)) 21.g3 Qh6 22.Ne7 Kh8 23.Bc6 Bf6?? (better is 23...Qg5 24.Ng6! Qg6 25.Qg6 hg6 26.Bg7 Ng7 27.Bd7 Rc8 28.Bc8 d5 29.cd5 ed5+/-) 24.Bd7+– Bb2 (24...Qg7 25.Re8 Re8 26.Be8 Bb2+–) 25.Qb2 f6 26.Be8 Qg7 27.Nc6 Qb7 (27...e5 28.Qa2 e4 29.Qa8+–) 28.Rb8 (28.Bd7 Qc8 29.Bc8 e5+–) 28...Qc7 (28...Qg7 29.Qc3 d5 30.d4+–) 29.h4 (better is 29.Bd7! Qb8 30.Nb8 e5+–) 29...e5 (29...Qg7 30.Qa1 e5 31.Qa8+–) 30.f4 (30.Qa3 d5+–) 30...h5 (30...Qg7 31.Qb3 ef4 32.ef4+–) 31.Qc2 f5 (31...Rg8 32.Ra8 f5 33.Ra7 Qa7 34.Na7 Re8 35.Qd3 ef4 36.Qd6 fe3 37.Qf6 Kg8 38.Qg6 Kf8 39.Qf5 Kg7 40.Qg5 Kf8 41.de3+–) 32.Qb2 Kg7 (32...Qg7 33.fe5 Kh7 34.Qc3 de5 35.Ne5 Re8 36.Re8+–) 33.fe5 de5 (33...Kh6 34.e6 d5 35.Kh2 Qb8 36.Nb8 Re8 37.Nd7+–) 34.Qe5 Qe5 35.Ne5 Kf6 36.Nd7 Ke7 37.Nf8 Kf8 38.Bg6 (38.Bg6 Ke7 39.d4 cd4 40.ed4 f4 41.gf4 Kd6 42.Rb6 Ke7 43.c5 Kd7 44.Rd6 Kc8 45.Be4 Kc7 46.b6 Kc8 47.c6 Kb8 48.Rd8) 1–0. GuestSTRB – GuestHKZG, freechess.org, 2016.

10.Ba1 b6 11.0-0 Bb7 12.d4 Nbd7 13.d5 Qa8 14.Nc3 Qa3 (14...Qa5 15.Qd3+=) 15.Qc2 (15.Qd3 Ra8+=) 15...Ra8 16.Bb2 Qa7 (16...Qb4 17.Rb1+=) 17.Ra1 Qb8 18.Re1 (18.Ra8 Qa8 19.e4 Qa5+=) 18...Ng4 (18...e6 19.e4+=) 19.h3 (19.Ng5 Ngf6+=) 19...Nge5 20.Nh2 Nf6 21.f4 Ned7 22.Nf3 (22.e4 e6+=) 22...Nh5 (22...e6 23.e4+=) 23.Bd3 (23.f5 Ng3 24.fg6 fg6+=) 23...Bc8 (23...e6 24.Qd2+=) 24.Qf2 Nhf6 (24...e6 25.de6 fe6 26.Rd1+=) 25.g4 White intends f5 (25.Qh4 Qc7+=) 25...h5 (25...e6 26.e4+=) 26.g5+/- Ne8 27.e4 (27.Qh4 Nf8+/-) 27...Nf8 (27...Qc7 28.Qh4+/-) 28.f5 Qc7 (28...Bd7 29.Rf1+=) 29.Kg2 Qd7 (29...Bh8 30.Rf1+/-) 30.Qe3 (30.Qh4 Ra7+/-) 30...e6 (30...Nc7 31.Rf1+/-) 31.de6 fe6 32.f6 Nf6? (better is 32...Bh8!?+/-) 33.gf6+– Bf6 34.e5 de5 35.Ne4 Ra2?? (35...Bg7+–) 36.Nf6 (36.Nf6 Kg7 37.Nd7 Rb2 38.Kg1 Nd7 39.Qg5+–) 1–0. DEFFM – GuestQBKZ, freechess.org, 2018.

10.Ba1 b6 11.Nc3 e5 (11...Nbd7 12.0-0=) 12.0-0 e4 13.Ng5 Bb7 14.f3 ef3 15.Bf3 Bf3 16.Qf3 h6 (16...Nbd7 17.Nd5 h6 18.Bf6 Nf6 19.Nf6 Bf6 20.Nh3+=) 17.Nge4 Ne4 (17...Nbd7 18.Nf6 (18.Nd6?? Ne5 19.Qe2 Qd6–+) 18...Nf6 19.Qc6+–) 18.Ne4 Ba1 (18...f5 19.Nf2+–) 19.Ra1+– Qe7 (19...Nd7!? 20.Qf4 Kg7+–) 20.Nf6 Kg7 21.Nd5 Nd7 1–0. DEFFM – GuestGPYF, freechess.org, 2019.

10.Ba1 d5 11.0-0 Nbd7 12.Qc2 b6 (12...dc4 13.Qc4 b6 14.d4=) 13.d3 (13.cd5 Nd5 14.Bg7 Kg7+=) 13...dc4 (13...Bb7 14.cd5 Bd5 15.Rd1=) 14.Qc4 (14.dc4 Qc7+=) 14...Bb7= 15.Nc3 Bf3 16.gf3 Ne5 17.Qb3 Qa8 (worse 17...Nd3 18.Rd1 Qa8 19.Bd3 Qf3 20.Be2+–) 18.Kg2 Qb7 19.Nb1 Neg4 20.Nd2 Nh6 21.Ne4 Nf5 22.Nf6 Bf6 23.Bf6 ef6 24.Qc4 Kg7 25.Qe4 Qb8 26.Ra1 Re8 27.Qa4 Qe5 ½–½. Dzieniszewski,Andrzej – Himmel, Potsdam, 1977.

10.Ba1 e5 11.0-0=.

10.Ba1 e6 11.0-0 d5 12.Qc2 Nbd7 13.Rd1 Nb6 (13...Qc7 14.d4+=) 14.d4 cd4 15.c5 (15.Bd4 Ne4+/-) 15...d3 (better is 15...de3!? 16.cb6 ef2 17.Kh1 Ne4 18.Bg7 Kg7=) 16.Bd3+/- Nbd7 17.Nbd2 Qc7 (17...Qe7 18.Rc1+/-) 18.Nb3 (18.c6 bc6 19.bc6 Nb6+–) 18...e5? (better is 18...Qd8!?+/-) 19.c6+– bc6 20.bc6 White gets deadly initiative. (20.Qc6?! Qb8 21.Be2 Bb7=) 20...Nb6 21.Be5 (21.Ne5?! Re8 22.Qc5 Re6+–) 21...Qe7 22.Bd4 Qc7 23.Qc5 Na8 24.Be5 Qb6 25.Qc3 Ne8 26.Bg7 Ng7 27.Nbd4 Ne6 28.Ne6 fe6 29.Ne5 Ba6 30.Nd7 (30.Nd7 Qd8 31.Nf8 Qf8 32.Ba6+–) 1–0. rmichiels (2120) – rpatru (2115), net–chess.com, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 d6 4.Bb2 Bg7 5.e3 0-0 6.Be2 c5)

10.Ba1 Nbd7

11.0-0 Qa5 12.Nc3 b6 13.Qc2 Bb7 14.Bb2 Qa8 15.Ra1 Qb8 16.d3 d5 17.Qb3 (17.cd5 Bd5 18.Nd5 Nd5 19.Bg7 Kg7 20.d4+=) 17...Ng4 (better is 17...dc4!? 18.dc4 e6=) 18.cd5+/- Nde5 (18...Rd8 19.Ra2+/-) 19.Ne5 Ne5 20.f4 Nd7 21.g3 Qd6 22.Ra7 Rb8 (22...Qb8 23.Qa3+/-) 23.Bf3+– e6 (better is 23...h6+–) 24.Rb7! Rb7 25.de6 Qe6?? (25...Rb8 26.ed7 Qd3+–) 26.Qe6 fe6 27.Bb7 1–0. DEFFM – kkady, freechess.org, 2017.

11.0-0 Qa5 12.Nc3 Nb6 13.Bb2 Ne4 (13...Qb4!? 14.Qa1 Be6–/+ (worse is 14...Nc4 15.Nd5 Qb2 16.Ne7 Kh8 17.Nc8 Qa1 18.Ra1+=)) 14.Qa1 Qa1 (14...Nc3 15.Bc3 (worse is 15.dc3 Qa4–/+) 15...Bc3 16.dc3= (worse is 16.Qc3 Qc3 17.dc3 Be6–/+)) 15.Ra1 (worse is 15.Ba1 Bc3 16.Bc3 Nc3 17.dc3 Be6–/+) 15...Nc3 16.Bc3 Bc3 17.dc3 Bg4 18.h3 Be6 19.Nd2 Ra8 20.Ra8 Na8 21.Bf3 Nb6 (21...Bc8 22.Nb3=) 22.Bb7+= Bc4 23.Nc4 Nc4 24.Kf1 Kf8 25.Bd5 Nb6 26.Bc6 (26.e4 e6 27.Ba2 d5+=) 26...d5= 27.Ke1 e6 28.Ke2 Ke7 29.Kd3 f6 30.e4 (30.Ke2 Kd6=) 30...Kd6 (better is 30...c4 31.Kd2 de4 32.Be4 Kd6–/+) 31.e5?? (better is 31.ed5 ed5 32.f4=) 31...fe5–+ 32.h4 (32.Kc2 Nc4 33.Be8 Ke7–+) 32...e4 33.Ke2 h6 34.Be8 g5 35.hg5 (35.g3 gh4 36.gh4 d4–+) 35...hg5 36.Bc6 (36.f3 ef3 37.Kf3 c4–+) 36...e5 37.Kd1 Nc4 (37...c4!? 38.Kd2–+) 38.Ke2 Ke6 (38...Na3 39.Be8 c4 40.b6–+) 39.g3? (39.Be8 Ke7 40.Bg6 Kd6–+) 39...Na5 (39...Kd6 40.Be8–+) 40.Be8 (40.Ba8 Kd6 41.b6 c4–/+) 40...Ke7–+ 41.Bg6 (41.Bh5 Nc4 42.Bg6 Nb6–+) 41...Nc4 42.Bh5? (better is 42.Bh7–+) 42...Nd6 43.b6 (43.Ke1 c4 44.b6 Kd7–+) 43...Kd7 44.Bg4 Kc6 45.Be6 d4 46.Kd2 Kb6 47.Bd5 (47.Bg8 Nb5 48.c4 Na3–+) 47...Kb5 48.Kc2 (48.Bg8 Ka4 49.Bd5 c4–+) 48...c4 Black prepares d3 49.g4 (49.Kd2 Kc5 50.Ba8 g4–+) 49...Kc5 50.Ba8 d3 (better is 50...Nb5 51.cd4 Kd4–+) 51.Kd2 Kb6 52.Ke3?? (52.Bd5–+) 52...Nb7 53.f3 (53.Kd2 Ka7 54.Bb7 Kb7 55.Kd1–+) 53...ef3 54.Kf3 Ka7 55.Bb7 Kb7 56.Ke4 d2 57.Kf5 d1Q (57...d1Q 58.Kg5 e4 59.Kf5 e3 60.g5 e2 61.Kf6 e1Q 62.Kf5 Qd5 63.Kf6 Qe8 64.Kg7 Qg5 65.Kh7 Qeh5) 0–1. DEFFM – GuestSJXK, freechess.org, 2018.

11.0-0 Qa5 12.Nc3 Nb6 13.d3 Bf5=.

11.0-0 Qa5 12.Nc3 Nb6 13.d4=.

11.0-0 b6 12.d3 Bb7 13.Nbd2 Qa8 (13...Qc7 14.Bc3=) 14.Bb2 (14.Qc2 d5+=) 14...Qa2= 15.Qa1 (15.Qb3 Qb3 16.Nb3 Ra8=) 15...Ra8 16.Bc3 (16.d4 d5=) 16...Qa1 (16...Qc2 17.Ne1 Ra1 18.Nc2=+) 17.Ra1= Ra1 18.Ba1 Ne4 (18...h6 19.Bc3=) 19.Bg7+= Nd2 20.Nd2 Kg7 21.Bf3 Bf3 22.Nf3 (< 22.gf3 Ne5 23.d4 cd4 24.ed4 Nd3=+) ½–½. Panzer,Bernhard (1860) – Peutler,Hans (1785), Regionalliga N O9495, 1995.

11.0-0 Nb6 12.d3=.

7.b5 b6

8.0-0 a5 9.a4 Bb7 10.h3 d5 11.cd5 Qd5 12.Nc3 Qd6 13.Qc2 Nbd7 14.Rfd1 Rac8 15.d4 cd4 16.Rd4 Qc7 17.Qb3 Nc5 18.Qa3 Nfd7 19.Rc4 Qd6 20.Nd4 Ne5 21.Rc5 Rc5 22.Bf3 Bf3 23.Nf3 Nf3 24.gf3 Bc3 25.Bc3 Rfc8 26.Bd4 Rg5 27.Kh1 Qe6 28.Kh2 Rc2 29.Rf1 Rh5 0–1. Abdullaevich (1775) – borcan (1860), lichess.org, 2019.

8.0-0 Bb7 9.Nc3 Nbd7 10.Qc2 Re8 11.Ng5 h6 12.Nf3 Ne5 (12...a6 13.ba6 Ra6 14.Rfb1=) 13.Ne5 de5 14.d3 Qc7 15.a4 Red8 16.e4 Ne8 17.Nd5 (17.a5 ba5 18.Qa4 a6 19.Qa5 ab5 20.Qc7 Nc7 21.cb5 Ne6+=) 17...Bd5 18.cd5 f5 (18...Qd6 19.Qc4+=) 19.Bf3 f4 (19...Qd6 20.a5+=) 20.Bg4+/- h5 (20...Nd6 21.Be6 Kh7 22.Rfb1+/-) 21.Be6 Kh8 22.a5! Bf6 (22...ba5 23.Rfc1 Decoy) 23.Qb3 (23.Bc3 Qd6 24.Qb3 Nc7+/-) 23...Ng7+/- 24.Bh3 g5 25.f3 g4 (better is 25...a6!?+/-) 26.fg4+– hg4 27.Bg4 Qd6 28.Rf3 (28.Qc3 Rf8+–) 28...Bg5 (28...a6 29.Bc3+–) 29.Rh3 Kg8 30.Bc3 Qg6?! (30...Bf6 31.Qc4+–) 31.d6 (31.Be5 Bh6+–) 31...e6 32.Be5 Bf6 (32...Bh6+–) 33.Be6 Ne6 34.Qe6 Kg7 (34...Qf7 35.Qf6 Qf6 36.Bf6 Rd6 37.Rh8 Kf7 38.Ra8 Kf6 39.Ra7 ba5+–) 35.Qe7 Qf7 (35...Kg8 36.Bf6 Qg2 37.Kg2 f3 38.Rf3 Rd6 39.Rg3) 36.Rh7! (36.Rh7 Kh7 37.Qf7 Kh6 38.Qf6 Kh5 39.Bf4 Rg8 40.Qf5 Rg5 41.Qg5) 1–0. DEFFM – GuestZYYX, freechess.org, 2018.

8.0-0 Bb7 9.Nh4 a6 10.Bf3 d5 11.a4 e6 12.g3 Qe7 13.cd5 ed5 14.d4 Ne4 15.Re1 (15.Qe2 ab5 16.Be4 de4 17.dc5 ba4 18.Bg7 Kg7 19.cb6 Qf6–/+) 15...Rc8 16.Nd2 (16.ba6 Na6 17.Re2 c4–/+) 16...Qd7 17.Ne4 de4 18.Bg4 f5 19.Be2 ab5 (19...Bd5 20.Qb1–/+) 20.ab5 c4 21.Ra8 Ba8 22.Qa4 Bd5 23.Bc3 g5 24.Ng2 Bf8 25.Rc1 Rc7 26.Ra1 Bd6 27.Bb4 c3 28.Bd6 Qd6 29.Rc1 Nd7 30.Bd1 Nf6 31.Bb3 Bb3 32.Qb3 Qd5 33.Qd5 Nd5–/+ 34.Kf1 Ra7 35.Ne1 Ra5 36.Rb1 Ra2 37.Rc1 Rb2 38.Nc2 Rb5 39.Na3 Rb3 40.Nc4 Nb4 41.Ke2 b5 42.Nd6 Rb2 43.Kf1 Na2 (43...Na2 44.Rc3 Nc3 45.Nf5 b4 46.Nh6 Kf8–+) 0–1. pumpkin (2085) – rodschi (1860), net–chess.com, 2002.

8.a4 Bb7 9.d3 d5 10.Nbd2 Nbd7 11.0-0 Qc7 12.d4 Ne4 (12...Rfd8 13.cd5 Bd5 14.Qc2=) 13.Rc1 (13.cd5 Bd5 14.Ne4 Be4+=) 13...Ndf6 (13...Rac8 14.cd5 Bd5 15.Ne4 Be4 16.Nd2=) 14.h3 (14.dc5 Nc5 15.Be5 Qd7+=) 14...g5 (14...Rfd8 15.Ne4 de4 16.Nd2=) 15.Ne5 (15.dc5 bc5 16.Be5 Qd7+/-) 15...e6 16.Ne4 Ne4 17.Bf3 dc4 (17...a6 18.Be4 de4 19.Qg4=) 18.Rc4 (18.Nc4 f5+=) 18...f6 (18...Be5 19.de5 Rfd8 20.Bd4=) 19.Nd3 Bd5 20.Rc1 Rad8 (20...Rfd8 21.dc5 Nc5 22.Bd4 Bf3 23.Qf3+/- (23.gf3?! Rac8=)) 21.dc5 bc5 (better is 21...Nc5 22.Bd4 Bf3 23.Qf3 Qb7 24.Bc5 Qf3 25.gf3 Rf7+/-) 22.Be4?? (better is 22.Bd4 c4 23.Be4 Be4 24.Nc5+/-) 22...Be4–/+ 23.Rc5 Qb7 0–1. GuestMXLJ – GuestVYYJ, freechess.org, 2017.

7.b5 e5

8.0-0 b6 9.d4 e4 10.Nfd2 Re8 11.dc5 dc5 12.Nc3 Bb7 13.Nb3 (13.Qc2 Qe7=) 13...Nbd7 14.a4 Qe7 15.a5 Rad8 16.ab6 ab6 17.Qc2 Ne5 18.Rfd1 Nfg4 19.Ra7 (19.h3 Nf6=) 19...Qh4 (19...Qc7 20.Bg4 Ng4 21.Rd8 Qh2 22.Kf1 Qh1 23.Ke2 Rd8 24.Nd2 Qg2 25.Nd1-+) 20.Bg4 (20.Rb7?? Qh2 21.Kf1 Qh1) 20...Ng4 21.h3 (21.Rb7 Qh2 22.Kf1 Bc3-+) 21...Bc3 22.Rd8 (22.hg4 Bb2 23.Rb7 Be5-/+) 22...Rd8 23.Bc3 (23.Rb7 Bb2 24.hg4 Be5-/+) 23...Nf2 24.Rb7 Nh3 25.gh3 Qg3 26.Kf1?? (26.Kh1 Qh3 27.Kg1 Qg3 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qh3=) 26...Qh3?? (better 26...Qf3 27.Kg1 Rd1 28.Qd1 Qd1 29.Kg2 Qc2 30.Nd2 Qc3-+) 27.Kg1 Qg3 28.Kf1?? (better 28.Kh1=) 28...Qf3-+ 29.Ke1 (29.Kg1 Rd1 30.Qd1 Qd1 31.Kg2 Qc2 32.Nd2 Qc3 33.Nf1-+) 29...Qh1 30.Ke2 Qg2 31.Ke1 Qg1 (31...Qc2 32.Bd4 Qb3 33.Rb8 Rb8 34.Bf6 Ra8 35.Bc3 Qc3 36.Kf2 Ra2 37.Kg3 Qe3 38.Kh4 Qf4 39.Kh3 Rh2) 32.Ke2 Qg2 33.Ke1 Qg1 (33...Qc2 34.Bd4 Qb3 35.Rb8 Rb8 36.Bf6 Ra8 37.Bc3 Qc3 38.Kf2 Ra2 39.Kg3 Qe3 40.Kh4 Qf4 41.Kh3 Rh2) 34.Ke2 Qg2 (34...Qh2 35.Kf1 Qc2 36.Be1 Qb3 37.Rb6 Qe3 38.Rb8 Rb8 39.Ba5 Ra8 40.Be1 Ra2 41.Bd2 Rd2 42.b6 Qf2) 35.Ke1 Qg1 (35...Qc2 36.Bd4 Qb3 37.Rb8 Rb8 38.Be5 Ra8 39.Kf2 Ra2 40.Kg3 Qe3 41.Kh4 f6 42.Bd6 g5 43.Kg4 Qf3) 36.Ke2 Qg2 (36...Qh2 37.Kf1 Qc2 38.Be1 Qb3 39.Kg2 Qe3 40.Rd7 Rd7 41.Kh1 Qe1 42.Kg2 Rd2 43.Kh3 Qg1 44.Kh4 Rh2) 37.Ke1 Qg1 (37...Qc2 38.Bd4 Qb3 39.Rb6 cd4 40.Kf1 de3 41.Kg2 Rd2 42.Kg3 e2 43.Kh4 e1Q 44.Kg5 h6 45.Kf6 Qh4 46.Ke5 Qc3) 38.Ke2 Qg2 (better 38...Qh2 39.Kf1 Qc2 40.Be1 Qb3 41.Rb6 Qc4 42.Kf2 Qc2 43.Kf1-+) 39.Ke1 Qg1 (39...Qc2 40.Kf1 Qc3 41.Rb8 Rb8 42.Na5 Rd8 43.Nc6 Rd2 44.Ne7 Kg7 45.Nf5 gf5 46.Kg1 Qa1) 40.Ke2 Qg2 (40...Qh2 41.Kf1 Qc2 42.Be1 Qb3 43.Rb6 Qe3 44.Rb8 Rb8 45.Bh4 Qf3 46.Kg1 Ra8 47.Bf6 Ra2 48.Bb2 Rb2 49.b6 Qd1) 41.Ke1 Qg1 (41...Qc2 42.Bd4 Qb3 43.Rb6 cd4 44.Rb8 Rb8 45.Kf2 de3 46.Kg2 e2 47.Kf2 Qf3 48.Ke1 e3 49.c5 Qf2) 42.Ke2 Qg2 (better 42...Qh2 43.Kf1 Qc2 44.Be1 Qb3 45.Rb6 Qc4 46.Kf2 Qc2 47.Kf1-+) 43.Ke1 Qg1 (43...Qc2 44.Bd4 Qb3 45.Rb6 cd4 46.Rb8 Qe3 47.Kd1 Rb8 48.Kc2 Qc3 49.Kd1 d3 50.c5 Qc2 51.Ke1 Qe2) 44.Ke2 Qg2 (44...Qh2 45.Kf1 Qc2 46.Be1 Qb3 47.Rb6 Qe3 48.Rb8 Rb8 49.Ba5 Ra8 50.Bc3 Qc3 51.b6 Ra2 52.b7 Qa1) 45.Ke1 Qg1 (better 45...Qc2 46.Bd4 Qb3 47.Re7-+) 46.Ke2 Qg2 (46...Qh2 47.Kf1 Qc2 48.Be1 Qb3 49.Rb6 Qe3 50.Rb8 Rb8 51.Bf2 Qh3 52.Ke1 Ra8 53.Kd2 Ra2 54.Kd1 Qd3 55.Ke1 Qe2) 47.Ke1 Qg1 (47...Qc2 48.Bd4 Qb3 49.Rb6 cd4 50.Kf1 de3 51.Kg2 Rd2 52.Kg3 e2 53.Kh4 e1Q 54.Kg5 h6 55.Kf6 Qh4 56.Ke5 Qc3) 48.Ke2 Qg2 (48...Qh2 49.Kf1 Qc2 50.Be1 Qb3 51.Rb6 Qe3 52.Rb8 Rb8 53.Bg3 Qf3 54.Kg1 Qg3 55.Kf1 e3 56.Ke2 Rd8 57.b6 Qf2) 49.Ke1 Qg3 (49...Qc2 50.Bd2 Qb3 51.Rb8 Rb8 52.Bc1 Rd8 53.Bd2 Qc2 54.Kf2 Qd2 55.Kg3 Qe3 56.Kh4 Rd3 57.Kg4 Qg3) 50.Ke2 (better 50.Qf2 Qf2 51.Kf2+-) 50...Qg2 (50...Qh2 51.Kf1 Qc2 52.Be1 Qb3 53.Rb6 Qc4 54.Kf2 Qc2 55.Kg3-+) 51.Ke1 Qg3 (51...Qc2 52.Bd4 Qb3 53.Rb8 Rb8 54.Kf1 cd4 55.Kf2 Qe3 56.Kg2 Qe2 57.Kg3 g5 58.Kh3 Ra8 59.c5 Ra3) 52.Ke2 (better 52.Qf2 Qf2 53.Kf2+-) 52...Qf3 (better 52...Qh2 53.Kf1 Qc2-+) 53.Ke1 Qe3 54.Qe2? (54.Kf1 Qf3 55.Qf2 Qh1 56.Ke2 Qd1 57.Ke3 Qd3 58.Kf4 Qc3 59.Rb6 Qb3 60.Qf1-+) 54...Qc3 55.Kf2 Qb3 56.Qe4 (56.Ra7-+) 56...Rd2 57.Kf1 (57.Kf1 Qd1 58.Qe1 Qf3 59.Kg1 Qg2). pacal56 (2175) - mecker (2220), Rated Blitz game, lichess.org, 2014.

8.0-0 Re8 9.d3 Nbd7 10.Nc3 Nf8 11.Nd2 h5 (11...a6 12.Nde4+=) 12.a4 N8h7 13.a5 Rb8 14.Qb3 Bg4 (14...Ng5 15.Nf3 Nf3 16.Bf3+/-) 15.Rfe1 Be2 16.Re2 Qd7 17.Nde4 h4 18.Nf6 (18.h3 Red8+/-) 18...Nf6+= 19.h3 Kh7 20.Ne4 Ne4 (20...a6 21.Ng5 Kg8 22.Nf3+/-) 21.de4 Re6 22.a6 (better 22.Qd3+/-) 22...ba6= 23.Ra6 ½-½. Speelman,J (2510) - Enders,P (2450), 2nd Bundesliga Ost, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

8.d3 b6 9.a4 Bb7 10.Nbd2 Nbd7 11.Qb3 (11.0-0 a6=) 11...Qe7 Black intends e4 12.a5 (better 12.0-0=) 12...e4 (better 12...ba5!? 13.Ra5 a6=) 13.de4 (13.a6 Bc8 14.de4 Ne4 15.Bg7 Kg7 16.Ne4 Qe4+/-) 13...Ne4 (13...ba5 14.0-0+=) 14.Bg7+/- Kg7 15.Ne4 (15.a6 Bc8+/-) 15...Be4 16.Qc3 (16.0-0 Ne5+/-) 16...Qf6 17.Qf6 Nf6 18.0-0 d5 19.Nd2 dc4 20.Bc4 (20.Nc4 ba5 21.Ra5 Bd5+=) 20...Bd5 (20...Rad8 21.Ra2=) 21.f3 Rfd8 22.Rfd1 (22.Rfc1 Rab8+=) 22...Bc4 (22...ba5 23.Rdc1=) 23.Nc4+= Rd1 24.Rd1 ba5 25.e4 (25.Ra1 Rb8 26.Ra5 Ne8+=) 25...Rb8= 26.Rb1 (26.e5!? Ne8 27.Rd7 Rb5 28.e6=) 26...a4-/+ 27.Kf2 Nd7 28.Ke3 Nb6 (28...a6 29.b6 Nb6 30.Nb6=+) 29.Ne5 Rd8 30.Nc6 (30.Rc1 a3-/+) 30...Rd7 (30...Ra8!?-/+) 31.Rc1=+ c4 32.Rc3 h5 (32...Rc7 33.Kd4=+) 33.h4 (33.Ne5 Rd6=) 33...Kf6 34.f4 Ke6 (34...Rc7 35.Kd4=) 35.Na5 Attacks the isolani on c4 (35.Ne5!? Rc7 36.Kd4=+) 35...f5 (35...Rc7 36.Kd4 f5 37.ef5 Kf5 38.Rc1-+) 36.Nc4=+ fe4 (36...Rc7 37.ef5 Kf6 38.Kd4 Nc4 39.Rc4 Rc4 40.Kc4 Kf5 41.Kb4 Kf4 42.Ka4=) 37.Nb6= (37.Ke4 Rc7 38.Kd4 Nc4 39.Rc4 Rc4 40.Kc4 Kf5=) 37...ab6 38.Rc4 (better 38.Ke4!? Ra7 39.Ra3=+) 38...Ra7-/+ 39.Re4 (39.Ke4 a3 40.Rc6 Kd7-/+) 39...Kf6 (39...Kd5 40.Kd3 a3 41.Re5 Kd6 42.Re1-+) 40.Kf3 (40.Rc4 a3 41.Rc1 Kf5-+) 40...a3-+ 41.Re1 a2 42.Ra1 Kf5 43.g3 (43.Ke3 Ra3 44.Kd4 Kf4-+) 43...Ra3 44.Kf2 Kg4 45.Ke2 (45.Kg2 Rg3 46.Kf1 Ra3-+) 45...Kg3 46.Kd2 0-1. JakobBo (2180) - mecker (2170), Rated Blitz game, lichess.org, 2014.

7.bc5 dc5

8.0-0 b6 9.d3 Bb7 10.Nbd2 Nc6 11.Nb3 Qc7 12.a4 a5 13.d4 Ne4 14.Qc1 Nb4 15.d5 Bb2 16.Qb2 Rae8 17.Nbd2 Nd2 18.Qd2 e6 19.e4 ed5 20.ed5 Qd6 21.Ra3 Bc8 22.Re1 Bf5 23.Bd1 Re1 24.Qe1 Qf4 25.Rc3 Kg7 26.h3 Bd7 27.Ne5 Bf5 28.Bg4?? Re8–+ 29.Re3 Nc2 30.Qc3 Ne3 31.Nc6 f6 32.g3 Qc4 (32...Qc4 33.Qc4 Nc4 34.Bf5 Re1 35.Kg2 gf5–+) 0–1. Gamback,B (2200) – Kanakaris,G (2280), Summer Cup, Porto Carras GRE, 2008. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

8.0-0 Qb6 9.Qc2 Bf5 (9...Nc6 10.a3=) 10.d3 Nc6 11.a3 Rfd8 (11...Rad8 12.Nc3=) 12.Nc3 Na5 (12...a6 13.Rab1+=) 13.e4 (13.Rab1 Qa6 14.Nb5 Rac8+=) 13...Bg4= 14.e5 Ne8? (better is 14...Nh5!? 15.Nd2 Be2 16.Ne2 g5=) 15.Nd5+/- Qb3 (15...Rd5!? 16.cd5 Nc7+/-) 16.Qd2+– (16.Ne7 Kf8 17.Qc3 Qc3 18.Bc3 Nc4 19.Ng6 hg6 20.dc4 Nd6+/-) 16...e6 (16...Rd5 17.cd5 b6 18.h3+–) 17.Bd1 (17.Qa5?! Qb2 18.Ne7 Kf8 19.Qc5 Qe2 20.Nc6 Kg8 21.Ne7 Kh8=) 17...Nc4 18.dc4 (18.Bb3 Nd2 19.Nd2 ed5–/+) 18...Qc4 19.Ne3 Qf4 (better is 19...Qf1 20.Kf1 Rd2 21.Nd2 Bd1 22.Rd1 Rd8+–) 20.Qc3 Rac8 (20...Bf3 21.Bf3 Rac8+–) 21.g3 (21.g3 Qe4 22.Ng5 Qe5 23.Qe5 (23.Ng4?! Qg5 24.Ne5 c4+/-) 23...Be5 24.Be5+– (24.Bg4?! Bb2 25.Rab1 Ba3+–; 24.Ng4?! Bb2 25.Nh6 Kf8+–)) 1–0. Vernacki,Srdjan (2320) – Ciganovic,Nikola (2235), 26. TCh–CRO Div 1b, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5 7.bc5 dc5)

8.d3 b6 9.0-0 Bb7 10.Qc2 Nc6 11.a3 Qc7 12.Rd1 Rfd8 13.Nbd2 Rac8 14.Rab1 Rd7 15.Bc3 Ne8 16.Bg7 Ng7 17.Ne4 Nf5 18.Qb2 (18.Nc3 Rcd8+=) 18...Rcd8= 19.Qc3 f6 20.Qb2 Na5 21.Nc3 e5 22.Ne1 Ne7 23.Qc2 Kg7 24.Bg4 f5 25.Bf3 Bf3 26.Nf3 Qd6 The pressure on d3 grows 27.e4 f4 28.Nd5 Nac6 (worse is 28...Nd5 29.ed5 (worse is 29.cd5 h6=) 29...Re7 30.Re1+/-) 29.Qb2 Rf8 30.a4 Nd4 31.Nd4 cd4 (31...Nd5?? 32.Nb5 (32.ed5?! ed4 33.Re1 f3=) 32...Qe7 33.ed5+–; 31...ed4?! 32.a5=) 32.Ne7 Qe7 33.f3 Rf6 34.Qa2 g5 35.Rb5 White plans a5 35...Rg6 (35...a6 36.Rb3=) 36.a5+= Qe6 37.Rdb1 Rf7 (37...g4!? 38.fg4 Qg4 39.Re5 f3+=) 38.ab6+/- ab6 39.Qa6 (39.Rb6?! Qb6 40.Rb6 Rb6+=) 39...Rff6 (39...Qe7 40.Rb6 Rb6 41.Qb6+/-) 40.Qa7 Kh6 41.h3 Rg7 42.Qb8 (42.Qb8 Re7 43.Rb6+–) 1–0. Csom,Istvan – Magerramov,Elmar, Baku it AZE, 1980. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

8.d4 Nc6=.

8.d4 cd4 9.Bd4 Nc6 10.0-0 Nd4 11.ed4 Bg4 12.Nbd2 Qc7 13.h3 Bf3 14.Bf3 Rad8 15.d5 e6 16.Rc1 ed5 17.cd5 Qa5 18.Qc2 Nd5 19.Nb3 Qb4 20.Bd5 Rd5 21.Qc7 Rfd8 22.Nc5 b6 23.Nb3 R5d7 24.Qc6 a5 25.Rfe1 h5 26.Re8 Re8 27.Qd7 Re1 28.Kh2 Qf4 29.g3 Qf2 0–1. Adamkosh (1815) – Rotete (2055), lichess.org, 2019.

8.0-0 Nc6

9.Qb3 Qc7 10.Nc3 e5 11.Nd5 Qd6 12.Ng5 Bf5 13.Qb7 (13.Bf3 Rab8=) 13...Nd5=+ 14.cd5 Qd5 15.Bc3 h6 16.Bf3? (better is 16.Nf3 Rfd8 17.Bb5=+) 16...e4–+ 17.Bg7 Rfb8 (17...Rab8 18.Qc7 Kg7 19.Ne4 Be4 20.Be4 Qe4 21.d3–+) 18.Qf7 Qf7 19.Nf7 Kg7 (19...ef3?! 20.Ne5 Rb2 21.Rfc1 Kg7 22.Nc6 fg2 23.Rc5 Rd2 24.Kg2=) 20.Be4 Be4 (20...Kf7? 21.Bc6 Bd3 22.Rfe1+–) 21.Nd6 Bd5 22.Rfc1 Rd8 23.Nb5 (23.Nb7!? Nd4 24.ed4 Bb7 25.dc5 Rd2 26.c6–/+) 23...c4–+ 24.Nc3 Bf7 25.Ne4 Nb4 26.f3 Rab8 27.a3 Nd3 28.Rc2 Be6 29.a4 Rb4 30.h3 a5 31.Kh2 Kf7 32.Ra3 Rdb8 33.Ra1 Ke7 34.Ra3 Bf5 35.Ng3 Bd7 36.Rca2 Nb2 37.Ne4 Na4 38.Ra1 Ra8 39.Re1 Nb2 40.Rea1 a4 41.R1a2 Rd8 42.Nc5 Bb5 43.e4 Rd2 44.f4 Kd6 45.Nb7 Kc6 46.Na5 Kb6 (47.Rg3 Ka5–+) 0–1. Doctor? 3.0 – Fritz 6, 2004.

9.Nc3 Ne4 10.Ne4 Bb2 11.Rb1 (< 11.Nc5 Ba1 12.Qa1 b6=+) 11...Ba3 (11...Bg7 12.Nc5 b6 13.Qa4+=) 12.d4 (12.Rb3 f5 13.Neg5 Qa5+=) 12...cd4 13.Nd4 (13.ed4 Bf5 14.Qd3 Rc8+=) 13...Qc7 (13...f5 14.Nc2+=) 14.Qd3 Nd4 15.ed4 Bd6 16.Nd6 Qd6 (16...ed6 17.Qg3+=) 17.c5 Qd5 (17...Qf6!? 18.Qe3 Rd8+/-) 18.Bf3 Qa2 19.Rbe1 (19.Qe3 Qe6 20.Bb7 Qe3 21.fe3 Bb7 22.Rb7 Rfe8+/-) 19...Bf5 (19...Re8 20.Qb5 Be6 21.Qb7+/-) 20.Qc3 Qa6 (20...Be6 21.Re3+–) 21.Re7 Qd3 (21...Qf6 22.Rb7 Rad8 23.Rd1+–) 22.Qd3 Bd3 23.Rc1 (23.Rb7?! Bf1 24.Kf1 a5+/-) 23...Rad8 24.d5 Bb5 (24...b5 25.c6 Rd6 26.Ra7+–) 25.Rb7 a6 26.d6 1–0. marekt – Klaatu, ChessWorld.net, 2004.

9.Nc3 e5 10.d3 Bg4 (10...Qe7 11.Nd5 Nd5 12.cd5=) 11.h3 (11.Ng5 Bf5=) 11...Bf3 (11...Bf5 12.e4 Bc8 13.Nd5=) 12.Bf3+= Qe7 (12...Nb4 13.Bb7 Rb8 14.Be4+=) 13.Nd5 (13.Bc6 bc6 14.Qf3 Rfd8+=) 13...Nd5 14.cd5 Nb4 15.e4 (15.a3 Na6=) 15...Rfd8 (15...Rad8 16.a3 Na6 17.Bc3=) 16.Bc3 (16.Qb3=) 16...a5 (16...f5!?=) 17.a3+/- Na6 (17...Nd5 18.ed5 e4 19.Bg7 ef3 20.Bc3+–) 18.Qb3 (18.Ba5 Rd6+/-) 18...Qc7 (18...a4 19.Qa4 Nc7 20.Qb3+/-) 19.Rab1 Rab8 (19...Ra7 20.Qb6 Rda8 21.Ba5+/-) 20.Qb5 1–0. pcmvr (2870) – croach (2285), net–chess.com, 2008.

9.Nc3 Bf5 10.Qb3 Rb8 11.Rad1 Qc8 12.Na4 Nb4 13.d3 b5 14.cb5 Be6 15.Qc3 Rb5 16.d4 Ne4 17.Qc1 c4 18.Nc3 Nc3 19.Bc3 Bf5 20.Ne1 Nd5 21.Bd2 Nb6 22.Qa3 Qd7 23.Rc1 Rc8 24.Bb4 Bf8 25.Bc5 Qe6 26.Qa7 Ra8 27.Qc7 Nd5 28.Qg3 Ra2 29.Bc4 Rbb2 30.Ba2 Ra2 31.Qe5 Qd7 32.e4 1–0. Smith – June, East Lansing 1995.

9.d3 b6 10.Nc3 Bb7 11.Rb1 e6 12.Qc2 Nb4 13.Qd2 Qc7 14.a3 Nc6 15.h3 Rad8 16.Qc2 Rfe8 17.Ne1 e5 18.Nf3 Nd7 19.Nd5 Qb8 20.Nd2 Ne7 21.e4 f5 22.Bc3 fe4 23.de4 Nf6 24.a4 Nfd5 (better is 24...Nc6!?+=) 25.cd5+– Nc8 26.a5 Rd6 27.Bb5 Rf8 28.a6 Ba8 29.Nc4 Rdd8 30.Rb3 (better is 30.Qb2!?+–) 30...Nd6+/- 31.Nd6 Qd6 32.Bd2 Rf7 33.g3 Rdf8 34.Bc4 h5 35.f4 ef4 36.gf4 Bd4 37.Kg2 g5 38.Rg3 (38.fg5?? Rf2 39.Rf2 Rf2 40.Kh1 Qh2) 38...Rf4?? (better is 38...Rg7 39.Rg5 Rg5 40.fg5 Rf1 41.Bf1 Qg6+/-) 39.Bf4 (39.Rg5 Bg7 40.Bf4 Rf4+–) 39...Rf4 40.Rg5 Kh7 (40...Bg7 41.Qc3 Qh6 42.Qg7 Qg7 43.Rg7 Kg7 44.Rf4 h4+–) 41.e5 (41.e5 Kh6 42.ed6 Kg5 43.d7 Bd5 44.Bd5 Be5 45.d8Q Kh6 46.Qe8 Rf7 47.Qf7 Kg5 48.Qcg6 Kh4 49.Qh5) 1–0. Serrano,Fermin (1785) – Dobbelaere,Luc (1650), IECG, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

9.d3 b6 10.Nc3 Bb7 11.Qd2 e6 12.Rad1 Qe7 13.Qc1 Rfd8 14.Qa1 Ne8 15.Rd2 Ne5 16.Ne5 Be5 17.f4 Bg7 18.Bf3 Bf3 19.Rf3 Nd6 20.Rd1 a6 21.a4 b5 22.cb5 ab5 23.Nb5 Bb2 24.Qb2 Ra4 25.Nd6 Qd6 26.Rf2 c4 27.Qc2 Qa6 28.Rfd2 Qa7 29.d4 Rb8 30.Rc1 Rb3 31.Re2 Qb7 32.h3 Kg7 33.Kh2 h5 34.Qd2 Qb5 35.Qe1 Raa3 36.Qf2 Rd3 Black intends c3 37.Kg1 c3 38.Rec2 Qa5 39.Qe2 Rd2+= 40.Rd2 cd2 41.Rd1 Ra2 42.Kf2 Qc3 43.g4 h4 44.g5 Qc2 45.Kf3 f6 46.gf6 Kf6 47.Kf2 Ke7 ½–½. Skeels,James B (2420) – Korze,Danilo (2450), Interzonal, 2006. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

9.d3 Bf5 10.Qb3 Qc7 11.Nc3 a6 12.Nd5 Nd5 13.cd5 Na5 14.Qc2 c4 (better is 14...Bb2!? 15.Qb2 Rfd8+=) 15.Bg7+/- Kg7 16.Qc3 Kg8 17.Nd2 b5 18.Rac1 Rfc8 19.dc4 Nc4 20.Nc4 bc4 21.Bc4 Qd6 22.Qd4 Qc5 23.Qd2 Qd6 24.Rfe1 e6? (better is 24...e5+/-) 25.e4+– Bg4 26.h3 ed5 (26...Bh3 27.gh3 e5 28.Bd3+–) 27.hg4 1–0. Ilyuschenko,YN – Garcia Burguillo,JM, Spain – Russia Unrated, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5)

9.d3 Bf5 10.Qb3 Qc7 11.Nc3 Rad8 12.Rfd1 Rfe8 13.h3 Nb4 (13...e5 14.Rab1=) 14.Nd5 Nbd5 15.cd5 e5 (worse is 15...Nd5 16.Bg7 Kg7 17.e4+=) 16.e4 Bc8 17.a4 Nh5 18.Bf1 Rd6 (18...Nf4 19.Rdc1=) 19.a5 f5 20.ef5 (20.Rdc1 Bd7+=) 20...gf5= 21.Re1 Qf7 22.Be5 Be5 (worse is 22...Rd5 23.d4 Rdd8 24.Qb5 Be5 25.Ne5+–) 23.Ne5 Qd5 24.Qd5 Rd5 25.Nc6 Re1 26.Re1 bc6 27.Re8 Kf7 28.Rc8 Nf4 (28...c4 29.Rc7 Kg6 30.Rc6 Nf6 31.dc4 Ra5 32.g3+/-) 29.Rc6 (29.Rc7 Ke6 30.Ra7 Nd3 31.Rh7 c4 32.Rh6 Ke5 33.Rc6 Ra5 34.Rc4 Ra1+–) 29...Ne6+/- 30.Ra6 Rd7 31.g3 Nd4 32.Bg2 Ke7 33.Bc6 Nc6 (better is 33...Rc7!? 34.Bd5 Rd7+/-) 34.Rc6+– Rd5 (34...Rd3 35.Rc5 Ke6 36.Rc6 Ke5 37.Rc7+–) 35.Kf1 (35.Rc7 Rd7 36.Rc5 Ke6+–) 35...Kd7 (35...Kd8 36.Ke2+–) 36.Ra6 Rd3 37.Ra7 Kc6 38.Rh7 Kb5 39.Ke2 Rd5 40.g4 (40.Ra7 c4+–) 40...fg4 41.hg4 Ka5 (41...Rd4 42.g5 Rg4 43.Rh5 Ka5 44.f3+–) 42.Rh5 (42.Rh5 Rd4 43.Rc5 Kb6 44.Rg5+–) 1–0. Csom,Istvan – Horvath,Adam, It open, 1994. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 c5 7.bc5 dc5 8.0-0 Nc6)

9.d4 cd4 10.ed4 Bg4 11.d5 Nb8 12.h3 Bf3 13.Bf3 Nbd7 14.Nd2 Qb6 15.Nb3 Nc5 16.Bd4 Nfd7 17.Rb1 Bd4 18.Qd4 Nb3 19.Qb6 ab6 20.ab3 Ra2 21.Ra1 Rfa8 22.Ra2 Ra2 23.Rb1 Nc5 24.Kf1 Nd3 25.Be2 Nf4 26.Bf3 Nd3 27.Be2 Nf4 28.Re1 Rb2 29.Bd1 Nd3 30.Re2 Rb1= 31.Rd2 Nb2 32.Ke2 Nd1 33.Rd1 Rb3 34.Rd3 Rb4 35.Rc3 Kg7 36.Ke3 Kf6 37.Kd4 b5–/+ 38.Kc5? Rc4–+ 39.Rc4 bc4 40.Kc4 Ke5 41.Kc5 f5 42.g3? g5 43.f3 f4 44.g4 h6 45.Kc4 Kd6 46.Kd4 b5 47.Ke4 b4 48.Kf5 b3 49.Kg6 b2 50.Kh6 b1Q 51.Kg5 Ke5 (51...Ke5 52.Kh6 Qb6 53.d6 Qd6 54.Kh7 Kf6 55.h4 Qd3 56.Kh8 Qg6 57.g5 Kf7 58.h5 Qh5) 0–1. carocan (1740) – tryskac (1610), kurnik, 2011.

6.Be2 Nc6

7.0-0 Nb4 8.a3 Nc6 9.d4 e5 10.d5 (10.de5 Ng4 Decoy) 10...Ne7 11.Nbd2 Bd7 12.Qb3 Rb8 13.a4 (13.Rab1 c6 14.dc6 Nc6=+) 13...Ne8 (13...Bf5 14.Nh4-/+) 14.a5 f5 15.Rab1 (15.c5 e4 (worse 15...dc5 16.d6 Kh8 17.de7 Qe7 18.Nc4+/-) 16.Nd4 Kh8=+) 15...h6 16.Rfc1 g5 (16...c5 17.dc6 bc6 18.Qa3-/+) 17.c5= Ng6 18.c6? (18.cd6 cd6 19.Nc4 g4=) 18...Bc8 (better 18...bc6!? 19.Qc4 cd5 20.Qd5 Kh7-+) 19.Qa2 (19.Ba6 b5 20.Bc8 Qc8=+) 19...b6 (better 19...g4!? 20.Ne1 bc6 21.dc6 Kh7=+) 20.ab6+= ab6?? (20...Rb6 21.Qa7 g4 22.Ne1+=) 21.Nc4?? (better 21.Qa7 Be6 22.de6+-) 21...g4 (21...f4 22.e4=) 22.Nfd2 f4 23.Ne4 (23.Qa7!? Bf5 24.e4+=) 23...Qh4 (23...f3 24.gf3 gf3 25.Bd3=+) 24.g3 (24.Qa7 Bf5 25.Bd3=+) 24...Qh5 (24...fg3 25.fg3 Qd8 26.Rf1=+) 25.Qa7 (better 25.gf4!? Qh4 26.Ng3 ef4 27.Qa7 fg3 28.hg3+=) 25...Bf5=+ 26.Bd3 Nf6 (26...Be4 27.Be4 Nf6 28.Bg6 Qg6 29.Qc7 b5= (worse 29...Nd5 30.Qd6 Qd6 31.Nd6+/-)) 27.Nf6+= Bf6 28.Bf5 (28.e4 b5 29.ef5 bc4 30.Be4+= (30.Qc7 Nh4 31.gh4 cd3 32.Qd6 g3 33.hg3 fg3 34.fg3 d2=+)) 28...Qf5= 29.ef4 ef4 (better 29...b5 30.Ne3 Qc8 31.fe5 de5+/-) 30.Bf6 (better 30.Qc7 fg3 31.hg3 (31.fg3 Bb2 32.Rb2 Ne5 33.Ne5 Qe5-+) 31...Bb2 32.Rb2+=) 30...Qf6-/+ 31.Qc7 fg3 32.Rc2?? (32.fg3 Qd4 33.Kh1-+) 32...gh2 (32...gf2 33.Kf1 Qf3-+) 33.Kh2 Qh4 (33...Qf3!? 34.Qd6 Qh3 35.Kg1-+) 34.Kg1 Nf4 35.Qd6 Nh3 (better 35...Rbe8 36.Ne3 Re3 37.Qf4 Rf4-+) 36.Kg2=+ Rf2 37.Rf2 Qf2 38.Kh1 Qf3 39.Kh2 Qf2 40.Kh1 Qf3 41.Kh2 Qe2 (41...Re8 42.Qg6 Kf8 43.Qh6 Kg8 44.Qg6 Kf8 45.Qd6 Kg8 46.Qg6 Kf8 47.Qh6 Kg8 48.Qg6=) 42.Kg3 Qf3?? (42...Qd3 43.Kh4 Re8+/-) 43.Kh4+- Qf2 44.Qg3 Qg3? (44...Qf8 45.c7 Re8 46.Kg4 Re7 47.Kh3 Rg7+/-) 45.Kg3 h5 (45...Ng5 46.Nd6 h5+-) 46.Rb6 Rb6 (46...Rc8 47.d6 Kf7+-) 47.Nb6 Kf7 48.c7 Ng5 49.c8Q Ne4 1-0. carlos78 (2195) - andrei70ster (1900), Rated Blitz game, lichess.org, 2015.

7.a3 e5 8.d3 Ne7 9.Nbd2 Ne8 10.0-0 f5 11.e4 f4 12.Nb3 h6 13.Qc2 g5 14.d4 g4 15.Nh4 (15.Nfd2 ed4 16.Nd4 Ng6+=) 15...f3 (15...ed4!? 16.Bd4 Nc6 17.Bg7 Kg7 18.Nf5 Bf5 19.ef5 Qg5=) 16.gf3+= gf3 (16...Nc6!? 17.Nf5 gf3 18.Bf3 ed4 19.Ng7 Rf3=) 17.Nf3+/- (worse is 17.Bf3 Rf4–/+) 17...Ng6 18.Kh1 Bg4 19.Qd3?? (better is 19.Rg1 Rf4 20.Ne5 Be2 21.Qe2 (21.Rg6?! Bh5 22.Nd3 Bf3 23.Kg1 Be4+/-; 21.Ng6?? Bf3 22.Rg2 Bg2 23.Kg2 Qg5 24.Kh1 Qg6–+) 21...Ne5 22.de5+–) 19...Qf6?? (better is 19...Nf4!? 20.Qe3 Ne2–+) 20.de5 de5 (20...Bf3 21.Bf3 Qf3 22.Qf3 Rf3 23.Nd4–+) 21.Nbd2 Nf4 22.Qe3 Ne2 23.Qe2 (better is 23.Ne5 Rd8 24.Rad1–/+) 23...Bf3 24.Nf3 Qf3 25.Qf3 Rf3 26.Kg2 Rb3 27.Rab1 Nd6 28.f3 (28.c5 Nc4 29.Ba1 Ra3 30.Rfd1–+) 28...Nc4 29.Ba1 Rb1 30.Rb1 c6 31.a4 Rd8 32.Kg3 (32.a5 Rd2 33.Kg3 Rd3–+) 32...Nd2 33.Rd1 (33.Rg1 Rf8 34.Rd1 Nf3–+) 33...Bf6 (better is 33...Ne4 34.fe4 Rd1–+) 34.Bc3 Ne4! (34...Ne4 35.fe4 Rd1–+) 0–1. Fournier,Frederic (1720) – TaeKwondo (1725), Active, 2007.

7.b5 Nb4?? 8.a3+– Nc2 (8...Nc6 9.bc6 bc6 10.d4+–) 9.Qc2 Bf5 10.d3 d5 (10...c5 11.0-0+–) 11.cd5 Nd5 (11...Bg4 12.e4+–) 12.Bg7 Kg7 13.e4 1–0. GuestBLKR – GuestSDMZ, freechess.org, 2018.

7.b5 Na5

8.0-0 a6 9.a4 Bf5 10.d3 c6 11.Nbd2 Qc7 12.h3 ab5 13.ab5 cb5 14.cb5 Rfc8 15.Rc1 Qb8 16.Rc8 Qc8 17.Qb1 Qe8 18.Bd4 Bd7 19.Ne4 Bb5 20.Bf6 Bf6 (20...ef6? 21.Nd6 Bd3 22.Qd3+– (22.Ne8?! Bb1 23.Ng7 Be4+=)) 21.Nf6 ef6 22.Qb4 d5 23.Rc1 Bd7 24.Rc5 Nc6 25.Qb7 Rb8 26.Qc7 Rb1 27.Bf1 Qe6 28.d4 Kg7 29.Rc2 Rd1 30.Rb2 Bc8 ½–½. Teske,Heike (2170) – Baer,Werner (2255), RSX7E – A15 – Engl vs. Koen.Ind–1, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2)

8.0-0 b6 9.Nc3 Bb7 10.Qc2 e5 11.d4 ed4 12.Nd4 Re8 13.Nb3 Nb3 (13...Qd7 14.Na5 ba5 15.Rac1=) 14.ab3 Qe7 (14...Qd7 15.b4+=) 15.Bd3 (15.h3 Ne4 16.Bf3 Bc3 17.Bc3 A) 17...Nc3? 18.Bb7 (18.Qc3?! Bf3 19.gf3 Qd7=) 18...Ne4 19.Ba8 Ra8 20.Ra2+–; B) 17...a5+=) 15...Ng4 (15...a5 16.ba6 Ba6 17.h3=) 16.Be2 Nf6 17.Qd2 (17.h3 Ne4 18.Bf3 c5+=) 17...a5 (17...Ne4 18.Ne4 Bb2 (18...Qe4?? 19.Bf3 Qf5 20.Bb7+–) 19.Qb2 Be4= (worse is 19...Qe4 20.Bf3 Qe5 21.Qe5 de5 22.Bb7+–)) 18.ba6+/- Ra6 (18...Ba6? 19.Bf3+–) 19.Ra6 Ba6 20.Bf3 d5? (better is 20...Bc8!?+=) 21.Ra1+– Bb7 22.cd5 Rd8 23.Ra7 (23.e4!? Ne8+–) 23...Bd5 (23...Nd5!? 24.Bd5 Bd5 25.Nd5 Qe4+/-) 24.Nd5+/- Nd5 25.Bg7 (25.Ba3!? Qe5 26.Bd5 Qa1 27.Bc1 Qa7 28.Bf7 Kf7 29.Qd8+/-) 25...Kg7+= 26.Bd5 Qc5?? (better is 26...Qf6+=) 27.e4+– b5 (27...f6 28.Qf4 Rc8 29.g3+–) 28.Rb7 Rd5 (28...Ra8 29.g3 f6+–) 29.ed5 c6 (29...Qd6+–) 30.d6 Qe5 31.Re7 Qa1 32.Re1 Qf6 33.d7 Qd8 (33...g5 34.d8Q Qd8 35.Qd8 Kg6 36.Qd6 Kg7 37.Re7 h5 38.Qe6 Kh7 39.Rf7 Kh8 40.Qe8) 34.Re8 (34.Re8 c5 35.Rd8 c4 36.Rh8 f5 37.d8Q g5 38.Q2g5 Kf7 39.Qde7) 1–0. DEFFM – GuestSFSM, freechess.org, 2018.

8.0-0 c6 9.a4 cb5 (9...c5 10.Nc3=) 10.ab5+= b6 11.Re1 (11.Bf6 Bf6 12.d4 a6+=) 11...e5 (11...a6 12.Nc3+=) 12.d3 Bg4 (12...Re8 13.Bc3+=) 13.Nbd2 Bf3 (13...Qc7 14.d4 e4 15.Ng5 Be2 16.Qe2+=) 14.Nf3 (14.Bf3 Rc8+–) 14...Nb7 (14...Qc7 15.e4+–) 15.e4 (15.Nd2 Nc5+–) 15...Nc5 16.d4 (better 16.Nd2+–) 16...Nce4? (16...ed4 17.Nd4 (worse 17.Qd4 Nb3 18.Qd1 Na1=+) 17...Nfe4 18.Bf3=) 17.de5 (better 17.Bd3+–) 17...de5+– 18.Be5 Qd1 19.Red1 (19.Bd1 Rfc8 20.Be2 Re8+=) 19...Nc5 (19...Rfe8 20.Bd3+=) 20.Nd4 (20.Bb2+=) 20...Rad8 (20...Nfe4 21.Bg7 Kg7 22.Bf3+=) 21.Nc6 (21.Ra7 Nfe4 22.Nc6 Rd1 23.Bd1 Be5 24.Ne5 Nc3+–) 21...Rd1 22.Rd1 (22.Bd1 Re8 23.f4 Nfd7 24.Bg7 Re1 25.Kf2 Nd3 26.Kg3 Kg7 27.Ra7 Re3 28.Bf3 N7c5+–) 22...Re8 23.Bf6 (23.Bf3 Nfe4 24.Bg7 Kg7 25.Na7 Nc3=) 23...Bf6+= 24.Bf3 Re6 (24...a6 25.ba6 Na6 26.h3+=) 25.Na7 (25.h3 Kg7+–) 25...Ne4 (25...Na4 26.g3+–) 26.Be4 Re4 27.Nc8 Rc4 (27...Bd4 28.Kf1 Bc5 29.Nd6+–) 28.Nb6+– Rb4? (better 28...Rc2 29.Kf1 Rb2+–) 29.Nd5 Rb5 30.Nf6 Kg7 31.Ng4 (31.Ne8 Kf8 32.Nd6 Rb8+–) 31...Rg5 (31...h5 32.Ne3+–) 32.h3 h5 33.Ne3 f5 (33...Kf6+–) 34.Rd7 Kh6 35.Rd8 (better 35.h4 Rg4 36.Ng4 hg4+–) 35...f4 36.Rh8 (better 36.Nd5 Rf5 37.h4+–) 36...Kg7+– 37.Re8 fe3 38.Re3 Rb5 39.Re7 (39.h4 Rb2+–) 39...Kf6 40.Re2 Rb1 41.Kh2 Rb4 42.f3 (42.Kg3 g5+–) 42...Kf5+= 43.Rd2 (43.g3 h4+=) 43...g5 (43...Kf4 44.Rc2+=) 44.Rd5 (44.g4 hg4 45.fg4 Ke4+–) 44...Kf6+= 45.Rd6 Kf5 46.Rd5 (46.Rd8 h4+=) 46...Kf6 47.Rd3 Kf5 48.f4 (48.Re3 Rd4+=) 48...Kf6 (better 48...Kf4!? 49.Rf3 Ke5=) 49.fg5+– Kg5 50.Rg3 (50.Rg3 Kh4 51.Re3+–) 1–0. Markzela (1805) – kaan_23, lichess.org, 2020.

8.0-0 e5 9.Bc3+= b6 (9...c5 10.Qa4 b6 11.d4 ed4 12.ed4=) 10.Ba5 ba5 11.Qa4 (11.d4 a6+=) 11...Bb7 12.Qa5 (12.Nc3 a6+=) 12...Bf3 (12...c5 13.Qd8 Rad8 14.Na3=) 13.Bf3+= e4 14.Be2 Nd7 (14...Nd5 15.Nc3 Nc3 16.dc3+=) 15.Nc3+/- Nc5 16.f3 f5 17.Rac1 (17.fe4 Ne4 18.Rad1 Bc3 19.dc3+=) 17...Nd3 (better is 17...a6!?+=) 18.Bd3+– ed3 19.Nd5 c5 20.Qd8 Rad8 21.Rb1 g5 (21...h6 22.Rb3+–) 22.Ne7 Kh8 23.Nc6 Rd7 24.Rb3 f4 (24...Kg8 25.Rd3 f4 26.Re1+–) 25.Rd3 fe3 (25...h6 26.Re1+–) 26.de3 (worse is 26.Re3 h5+–) 26...g4 (26...Rf6 27.e4+–) 27.f4 (27.fg4 Re8+–) 27...h5 (27...Rf5 28.Rfd1 Bf8 29.Kf2+–) 28.Rfd1 Rf6 (28...Re8 29.Ra3+–) 29.Ra3 Rff7 (29...Re6 30.Na7 Kg8 31.Kf2+–) 30.Rd5 h4 (30...Kg8 31.Rh5 Bf6 32.Rf5+–) 31.Rh5 Kg8 32.Rh4 g3 (32...d5 33.cd5 Rd5 34.Na7+– (34.Ra7?! Ra7 35.Na7 c4+–)) 33.hg3 d5 (33...Bf6 34.Rh5+–) 34.cd5 Rd5 35.Ra7 Rd1 (35...Ra7 36.Na7 c4 37.f5+–) 36.Kf2 (36.Kh2 Ra7 37.Na7 Ra1+–) 36...Rd2 (36...Ra7 37.Na7 c4 38.f5+–) 37.Kf3 Ra7 38.Na7 Ra2 39.b6 Rb2 40.Nc8 c4 41.Rh1 c3 42.g4 (42.Rc1 Kf7+–) 42...c2 43.Rc1 Bc3 44.b7! Rb7 45.Rc2 Bg7 (45...Rc7 46.Nb6 Rb7 47.Rc3 Rb6 48.f5+–) 46.g5 Rb3 (46...Rd7 47.f5+–) 47.g6 (better is 47.f5 Bd4 48.Ne7 Kf7+–) 47...Bd4 (47...Bf6 48.Nd6 Bc3 49.f5+–) 48.Ne7 Kg7 (48...Kf8 49.Nf5 Bc3 50.Ra2+–) 49.Nf5 Kg6 50.Nd4 Ra3 51.Rc6 Kf7 52.g4 Ke7 (52...Ra1 53.Rc7 Kg6 54.f5 Kf6 55.Kf4 Rf1 56.Nf3 Rf3 57.Kf3+–) 53.g5 Kf7 (53...Ra1 54.f5 Kd7 55.g6+–) 54.f5 (54.g6 Ke7 55.f5 Kd7+–) 54...Rd3 (54...Ra7 55.g6 Kg7 56.Ne6 Kf6+–) 55.Rc7 Kg8 56.g6 (56.g6 Ra3 57.f6 Ra8 58.Nf5 Rd8 59.Nh6 Kf8 60.g7 Ke8 61.g8Q) 1–0. DEFFM – GuestWKVM, freechess.org, 2018.

8.0-0 Be6 9.d3 c6 (9...a6 10.a4=) 10.bc6 (10.Nc3 d5 11.c5 b6=) 10...Nc6= 11.Nbd2 (11.Nc3 Rc8=) 11...d5 12.Ng5 (12.Rb1 dc4 13.Nc4 Bc4 14.dc4 Qc7=) 12...Bf5 (12...Bc8 13.cd5 Qd5 14.Nge4=) 13.cd5 (better is 13.Rb1 dc4 14.Nc4=) 13...Qd5? (better is 13...Nd5 14.Bg7 Kg7=) 14.e4+– Be4 (14...Qd7 15.ef5 Qf5 16.Ngf3+–) 15.Nge4 (15.Nde4?! Ne4 16.Bg7 Ng5 17.Bf8 Rf8+=) 15...Ne4 (15...Nd7 16.Nc3 Bc3 17.Bc3+–) 16.de4 Qd6 17.Bg7 Kg7 18.Nf3 Qf6 (18...Qf4 19.Qb1+–) 19.Qb3 b6 20.Rac1 (20.Qb5 Rac8+–) 20...Rac8 (20...Rfd8 21.Qb5 Nd4 22.Nd4 Rd4 23.e5+–) 21.Qa4 a5 22.Ba6 Rc7 (22...b5 23.Qb5 Nd4 24.Nd4 (24.Rc8 Nb5 25.Rf8 Qa6+=) 24...Rc1 25.Rc1 Qd4 26.Bb7+–) 23.e5! Qe6 (23...Ne5 24.Rc7 Pinning (24.Rc7 Deflection)) 24.Rc4 (24.Rc2 Rcc8 25.Bc8 Rc8+–) 24...Rd8 (24...Rcc8 25.Rfc1 b5 26.Qb5+–) 25.Bb5 Ne5 26.Rc7 Nf3 27.gf3 Qf6 (27...Rd5 28.Bc6 Rd2 29.Qe4 Ra2 30.Re7 Qe4 31.fe4+–) 28.Re1 (better is 28.Rc6 Qg5 29.Kh1 Qh5 30.Rb6 Qf3 31.Kg1 Rd5+–) 28...Qf3 (28...Rd4 29.Rc4 Rd2 30.Rc6+–) 29.Ree7 Rf8 (29...Rd1 30.Bf1 Rd6 31.Be2+–) 30.Be8 Kh6 31.Rf7 Rf7 32.Rf7 Qc3 33.Qh4 1–0. pcmvr – princeflash, net–chess.com, 2017.

7.b5 Nb8

8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.Nc3 cb5 (12...Bf5 13.d3+=) 13.cb5 (13.Nb5 Nc6+=) 13...Bd7 (13...d5 14.Qa4=) 14.d4 (14.e4 Bg4+=) 14...d5 15.Bb2 e6 (15...Bf5 16.Nh4+=) 16.Ba3+/- Re8 17.Qb3 Bf8 (17...Qa5 18.Bb4 Qc7 19.Ra1+/-) 18.Ra1 (18.Bf8 Rf8 19.Ra1 Qc7+/-) 18...Ba3 19.Qa3 Ne4 (19...Qc7 20.Rc1 Rc8 21.Qb2+/-) 20.Ne4 de4 21.Nd2 f5 (21...e5!?+/-) 22.Qd6+– Qe7 (22...e5 23.Bc4 Kg7 24.Ra7+–) 23.Qe7 Re7 24.Ra8 Re8 25.Nc4 Rc8 (25...Rd8 26.Nb6 Be8 27.Ra7+–) 26.Nd6 Rc1 (26...Rf8+–) 27.Bf1 Bb5 (27...Kf8 28.Rb8 Ke7 29.Nc4+– (29.Nb7?! Bb5 30.h4 Rf1 31.Kh2 Rf2=)) 28.Rb8 Kg7 29.Rb7 (29.Rb7 Kf6 30.Rf7 Kg5 31.Nb5+–) 1–0. GuestSKBJ – GuestXFRH, freechess.org, 2018.

8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.Nc3 (12.d4 c5+=) 12...b6 (12...Re8 13.d4=) 13.d4 Bb7 14.Bb2 e5 15.Qd2 (15.d5 Qe7+=) 15...ed4 16.ed4 (16.Nd4 Nc5+=) 16...Re8 (16...d5 17.cd5 Nd5 18.Bc4 Nc3 19.Qc3+= (worse is 19.Bc3 Bf3 20.gf3 Qh4+=)) 17.Ra1 (17.d5 Nc5+=) 17...Ne4 (17...d5 18.Qd1=) 18.Ne4+= Be4 19.Ng5 Bf5 20.Bf3 h6 21.Nh3 (21.Ra8 Qe7 22.Re8 Qe8=) 21...Bh3 22.Ra8 (22.gh3 Qh4=) 22...Qe7 23.Re8 Qe8 24.gh3 Qe6 25.Bg4 f5 26.Be2 Nf6 27.Qe3 (27.Qc2 d5+=) 27...Qe3 28.fe3 Ne4 (28...Kf7 29.Bf3+=) 29.Kg2 g5 (29...Kf7 30.Bd3+=) 30.Bd3 (30.h4 Kf7+= (worse is 30...gh4 31.Kf3+/-)) 30...Kf7 (30...h5 31.Bc1+=) 31.h4+= Ke6 (worse is 31...gh4 32.Kf3+/-) 32.Be4 (32.d5 Kf7 33.Bg7 Kg7 34.Be4 fe4 35.hg5 hg5 36.Kg3+–) 32...fe4+– 33.d5 Kf7 34.Bg7 Kg7 35.Kh3?? (35.hg5 hg5 36.Kg3 Kf7+–) 35...Kf6?? (better is 35...Kg6=) 36.Kg4+– gh4 (better is 36...Kg6 37.hg5 hg5+–) 37.h3?? (better is 37.Kh4 Kg6 38.Kg4+–) 37...Kg6+= 38.Kf4 Kf6 39.Ke4 Kg5 40.Kd4 Kf5 41.Kd3 (41.e4 Kf4+=) 41...Ke5= 42.Kd2?? (better is 42.e4=) 42...Ke4–+ 43.Ke2 h5 44.Kd2 Kf3 45.Kd3 Kg3 46.e4 Kh3 47.e5 de5 48.c5 bc5?? (better is 48...Kg3 49.d6 cd6 50.cd6 h3=) 49.b6!+– cb6 50.d6 Kg2 51.d7 h3 52.d8Q h2 53.Qg5 Kf2 54.Qh5 1–0. Janek – Gutes, internet free game, 2017.

8.0-0 a6 9.Qa4=.

8.0-0 c6 9.a4 cb5 10.ab5 a6 11.Nc3 Nbd7 12.d4 Nb6 13.Qc2 (13.c5 Nbd5+=) 13...ab5 (13...Qc7 14.ba6 ba6 15.Rfc1+=) 14.Ra8+/- Na8 15.Nb5 Bf5 16.Qb3 Nb6 (16...Qb6 17.Rc1+=) 17.c5 (17.Ra1 d5 18.c5 Nc8+/-) 17...dc5 18.dc5 Nbd5 (18...Qd5 19.Nbd4 Qb3 20.Nb3+=) 19.Nbd4 (19.Rd1 e6+/-) 19...Bd7 (19...Bc8 20.Bc4+/-) 20.Bc4 (20.Qb7 Qb8 21.Qb8 Rb8+/-) 20...Bc6 21.Ne5 (21.Nc6 bc6 22.Bf6 Bf6 23.Rd1+=) 21...Ne4?? (better is 21...Qc7+=) 22.Nec6+– bc6 23.Nc6 Nd2 1–0. GuestFYNF – GuestACGF, freechess.org, 2017.

8.0-0 c6 9.a4 cb5 10.ab5 a6 11.d4+=.

8.0-0 c6 9.a4 b6 10.Nc3 (10.d4 a6+=) 10...a6= 11.Qb3 Be6 (11...e5 12.d4+=) 12.d4 cb5 (12...c5 13.dc5 dc5 14.Rfd1+=) 13.ab5+/- a5 (13...Bf5 14.ba6 Ra7 15.Qb5+–) 14.Ng5 (14.e4 Nbd7+/-) 14...Bg4 (14...Bf5 15.e4 Bc8 16.Qa4+/-) 15.Bg4+/- Ng4 16.h3 Nf6 17.c5 (better is 17.e4!?+=) 17...dc5=+ 18.dc5 Nbd7 (better is 18...bc5!? 19.Rfd1 Qc7=+) 19.c6+= Nc5 20.Qc2 Qd3 (20...Qc7 21.Na4 Na4 22.Qa4+=) 21.Qd3 (21.Rfc1 Rfd8+/-) 21...Nd3+= 22.Ra2 Nb2 23.Rb2 h6 24.Na4 Nd5?? 25.Rd2+= Nc7 26.Nf3 Nb5 27.Nb6 Ra7 28.Rd7 Rc7 29.Rc1 e6? 30.Rc5+– Rd7 31.Nd7 Rc8 32.Rb5 Rc6 33.Ra5 Rc1 34.Kh2 Rc2 35.Kg3 Rc8 36.Rb5 f6 37.Rb8 Rb8 38.Nb8 Kf7 39.Nc6 e5 40.e4 Ke6 41.Nh4 Kf7 42.Kf3 Bf8 43.Ke2 Bc5 44.g3 Bb6 45.f4 g5 46.Nf5 gf4 47.gf4 ef4 48.Nh6 Kg6 49.Nf5 Bc7 50.Kf3 Kh5 51.Nce7 Bb8 52.Nd5 Be5 53.Nf4 Bf4 54.Kf4 Kg6 55.Kg4 Kf7 56.Nd4 Kg6 57.h4 (57...Kg7 58.Nf5 Kh8 59.h5+–) 1–0. Finogenov,Mikhail – Belolipetsky,Evgeny, Tula–ch Region, 2002.

8.0-0 c6 9.d4 c5+=.

8.0-0 Nbd7 9.d4 Nb6 10.a4 Nbd7 11.a5 b6 (11...a6 12.Nbd2+=) 12.a6 Ne4 (12...c5 13.Nc3+/-) 13.Bd3 Nef6 14.Ng5 e5 (14...c5 15.Qf3 Rb8 16.Re1+/-) 15.Qf3 e4? (better is 15...Rb8!?+/-) 16.Ne4+– Ne4 17.Be4 Rb8 18.Bb7 Bb7 (better is 18...Nc5 19.Bc8 Rc8+–) 19.ab7 Nf6 20.Ra7 c5 (20...Re8+–) 21.bc6 Ne8 (21...b5 22.Na3 bc4 23.d5+–) 22.Nc3 Nc7 23.Ba3 Re8 (23...f5 24.Qf4 Rf6 25.Rb1+–) 24.Ne4 d5 (24...Re6 25.d5 Re4 26.Qe4+–) 25.Nd6 Re6 (25...Re7 26.cd5 f6 27.Nc8+–) 26.Qf7 Kh8 27.Qe6! Ne6 28.Nf7 Kg8 29.Nd8 Nd8 30.c7 Rb7 31.cd8Q Kf7 32.Rb7 (32.Rb7 Ke6 33.Qd5 Kf6 34.Rb6) 1–0. GuestBMCH – GuestLVFM, freechess.org, 2018.

8.a4 e5 9.0-0 c6 (9...Bf5 10.d4+=) 10.d4 Nbd7 (10...e4!? 11.Nfd2 c5+=) 11.de5+/- de5 12.Ne5 (12.Be5 Ne5 13.Ne5 Qd1 14.Bd1 Nd5 15.cd5 Be5+/-) 12...Ne5 13.Be5 Qe7? (better is 13...Bf5+/-) 14.Bd6+– Qd8 15.Bf8 Qf8 16.Nc3 +–. pcmvr (2225) – jbedenbaugh (2050), net–chess.com, 2006.

8.d4 a6 9.a4 ab5 (9...c5 10.0-0=) 10.ab5 Ra1 11.Ba1 c6 (11...d5 12.0-0+=) 12.Nc3+= Bg4. pumpkin – alexp, net–chess.com, 2017.

8.d4 c6 9.0-0 cb5 10.cb5 b6 11.Nbd2 Bb7 12.Qb3 Nbd7 13.a4 Rc8 14.Rfc1 Rc1 15.Rc1 Qb8 16.Bd3 Rc8 17.Rc8 Qc8 18.Ng5 d5 19.Bb1 h6 20.Nh3 Nf8 21.Nf4 Ne6 22.Nd3 Ng5 23.f3 Qc7 24.Qc2 Qc2 25.Bc2 Ne6 26.Ba3 Kf8 27.Ne5 Ke8 28.Bb3 Nd7 29.Nc6 Bc6 30.bc6 Nf6 31.Nb1 Nc7 32.Nc3 e6 (32...a6!?+=) 33.Nb5+/- Nb5 34.ab5 Kd8 35.Bc2 Kc7 36.Kf2 Ne8 37.Ba4 Nd6 38.Ke2 Nc4 39.Bc1 h5 40.Kd3 Bf8 41.e4 Bd6 42.g3 Ba3 43.Ba3 Na3 44.h3 Nc4 45.Kc3 Ne3 46.Bb3 de4 47.fe4 Nf1 48.g4 hg4 49.hg4 Nh2 50.Bd1 Nf1 51.Kd3 a5?? (better is 51...f6+–) 52.ba6 Kc6 53.d5! ed5 54.ed5 Kc7 55.d6! (55.d6 Kd6 56.a7+–) 1–0. Fournier,Frederic (2300) – jcdiaz (1980), Active, 2005.

8.d4 c6 9.a4 c5 10.0-0+=.

8.d4 c6 9.a4 Ne4 10.Nbd2 d5 (10...Nf6 11.0-0+=) 11.0-0 (11.Ne4 de4 12.Nd2 f5+/-) 11...Nd7 (11...Bf5 12.Ne4 Be4 13.Nd2+=) 12.bc6 (12.Ne4 de4 13.Nd2 Nf6+/-) 12...bc6+= 13.Ne4 de4 (13...de4 14.Nd2 f5+=). jlbaf – alexp, net–chess.com, 2017.

8.d4 c6 9.a4 Bg4 10.h3 (10.0-0 a6+=) 10...Bd7 (10...Bf5 11.0-0+=) 11.0-0 cb5 (11...a6 12.Nc3+=) 12.ab5 b6 (12...a6 13.Nc3+=) 13.Ne5 (13.Nc3 Qc7+/-) 13...de5 (13...Bb5 14.cb5 de5 15.de5+/-) 14.de5 (14.de5 a6 15.ef6 Bf6 16.Bf6 ef6 17.Qd6+/-) 1–0. pcmvr – alexp, net–chess.com, 2017.

7.b5 Ne5

8.Ne5 de5 9.Be5 c6 10.a4 Qa5 11.Bc3 Qb6 12.a5 Qc5 13.d4 Qf5 14.0-0 Ne4 15.Bb2 Nf6 16.Bf3 h5 17.Nd2 cb5 18.c5 Ng4 19.a6 Rb8 20.ab7 Bb7 21.Ra7 Bf3 22.Qf3 Qe6 23.d5 Qc8 24.Bg7 Kg7 25.c6 e6 26.d6 Ne5 27.Qe4 Nc6 28.Rc7 Qd8 29.Qc6 Qd6 30.Qd6 1–0. Abdullaevich (1955) – ten123456 (1965), lichess.org, 2019.

8.Ne5 de5 9.Be5 Be6 10.0-0 Bh6 11.d4+– Nd7 12.Bg3 Bg7 (12...a6 13.Nc3+–) 13.Nc3 (13.Nd2 a6+–) 13...Nc5 (13...c6 14.bc6 bc6 15.Qe1+–) 14.Qc1 (14.Rc1 Nd7+–) 14...Nd7 15.Rb1 (15.Rd1 Nf6+–) 15...f6 (15...Nf6 16.Qc2+–) 16.Bf3 (16.Nd5 c6 17.Nc7 Bf5+–) 16...Rb8 (16...Bc4 17.Bb7 Rb8 18.Bd5 Bd5 19.Nd5+–) 17.Nd5 Bd5 18.cd5 Nb6 (18...Rc8 19.Qa3 Nb6 20.Qa7+–) 19.Bc7 Qd7 20.Bb8 Rb8 21.Qa3 Nd5 22.Bd5 (22.Bd5 Qd5 23.Qe7+–) 1–0. DEFFM – GuestKFRX, freechess.org, 2018.

8.Ne5 de5 9.Be5 Bf5 10.Nc3 Bd3 11.Bd3 Qd3 12.Qe2 Qe2 (12...Qd7 13.d4+/-) 13.Ke2+– c6 14.bc6 bc6 15.Rhb1 a5 16.Rb7 e6 (16...Ng4 17.Bg7 Kg7 18.Rab1+–) 17.Rab1 Ng4 18.Bg7 Kg7 19.R1b6 Ne5 (19...Rac8 20.Ne4+–) 20.c5 Nc4 (20...Rfc8 21.d3+–) 21.Rc6 Rfc8 (21...Rfb8 22.Rcc7 Rb7 23.Rb7+–) 22.Rc8 Rc8 23.d4 Kf6 (23...Rd8 24.f4 a4+–) 24.Kd3 1–0. pcmvr – croach (2365), net–chess.com, 2016.

6.Be2 Nbd7

7.0-0 b5 8.cb5+/- Bb7 (8...a6 9.d4+/-) 9.Nc3 Nb6 10.Qc2 (10.d4 Nbd5+/-) 10...e5 (10...Rc8 11.Rfc1+/-) 11.Rac1 (11.d4 Qe7+–) 11...Rc8 12.h3 (12.d4 Qe7+/-) 12...Ne8 (12...c6 13.bc6 Rc6 14.d4+/-) 13.Rcd1 (13.a4 c6 14.a5 Nd5+/-) 13...f5 (13...c6 14.bc6 Bc6 15.b5 Bf3 16.Bf3+/- (worse is 16.gf3 d5=)) 14.Qb3 (14.d4 e4 15.Nd2 Nf6+/-) 14...Kh8 15.a4 Nd7 (15...c5 16.bc5 dc5 17.d3+/-) 16.a5 (16.d4 e4 17.Nd2 Qg5+/-) 16...Nef6 Black prepares the advance e4 (16...e4 17.Nd4 Bd4 18.ed4+/-) 17.d4 (17.Ng5 Qe8+–) 17...e4 (17...Qe7 18.d5+/-) 18.Ng5+– Qe7 19.Ne6 Rfe8 (19...Qf7 20.Qa2 Bd5 21.Nd5 Qe6 22.Bc4 Nd5 23.Bd5+–) 20.Ng7 Kg7 21.Rd2 (21.d5 Ne5+–) 21...f4 (21...h6 22.d5+–) 22.ef4 e3 (22...d5 23.Rc2+–) 23.Rd3 Be4?! (23...ef2 24.Rf2 Be4+–) 24.Re3 d5 (24...Qf7 25.Qf7 Kf7 26.Bc4 Kf8+–) 25.f3 1–0. guestrvjc – guestdtqy, internet free game, 2018.

7.0-0 c6 8.a3 Qc7 9.Nc3 e5 10.h3 Ne8 11.d4 f5 12.de5 de5 13.Qc2 e4 14.Nd4 Ndf6 15.c5 Qe7 16.Bc4 Kh8 17.Nce2 Nc7 18.Nf4 Ncd5 19.Rad1 Bd7 20.Nde2 Nf4 21.Nf4 Be8 22.Rd6 Bf7 23.Rfd1 Bc4 24.Qc4 Rad8 25.Ne6 Rd6 26.Rd6 Re8 27.Ng7 Kg7 28.Qd4 Qe5 29.Rf6 Qd4 30.Bd4 Kg8 31.Rd6 Re7 32.Kf1 Kf7 33.Ke2 h6 34.Kd2 g5 35.Kc3 f4 36.ef4 gf4 37.f3 e3 38.Kd3 e2 39.Bc3 e1Q 40.Be1 Re1 41.Rd7 Re7 42.Re7 Ke7 43.Ke4 Kf6 44.Kf4 Ke6 45.Ke4 b6 46.f4 bc5 47.f5 Kf6 48.bc5 Ke7 49.g4 Kf6 50.h4 Kf7 51.g5 hg5 52.hg5 Kg7 53.f6 Kf7 54.Ke5 Kg6 55.Ke6 Kg5 56.Ke7 Kf4 57.f7 Ke5 58.f8Q Kd5 59.Qd8 Kc5 60.Qd6 Kb5 61.Qc6 Kc6 62.a4 Kb6 63.a5 Ka5 64.Kd6 Kb4 65.Kc6 a5 66.Kb6 a4 67.Kc6 a3 68.Kb6 a2 69.Kc6 a1Q 70.Kc7 Qd1 71.Kc6 Qc1 0-1. dejv (2060) - StrygixDri (2055), Rated Bullet game, lichess.org, 2014.

7.a3 a6 8.0-0 b6 9.d3 Bb7 10.Nbd2 d5 11.cd5 Nd5 12.Bg7 Kg7 13.Nd4 Nc3 14.Qe1 Ne2 15.Qe2 Ne5 16.f4 Nc6 17.Nc6 Bc6 18.Rac1 Bb7 19.Nc4 Rc8 20.d4 e6 21.Ne5 f6 22.Nc6 Bc6 23.Rc6 Qd5 24.Rfc1 Rf7 25.Qd3 a5 26.b5 e5 27.e4 Qd4 28.Qd4 ed4 29.Rb6 Re7 30.Rbc6 Re4 31.Rc7 Rc7 32.Rc7 Kh6 33.b6 d3 34.b7 d2 35.Rd7 Re1 36.Kf2 Rb1 37.Rd2 Rb7 38.Rd5 Ra7 39.Ke3 a4 40.Kd4 f5 41.h4 Kh5 42.g3 Kg4 43.Kc4 Kg3 44.Kb4 Kh4 45.Rd4 Kg4 46.Kb5 h5 47.Kb6 Ra8 48.Kb7 Ra5 49.Kb6 Rd5 50.Rd5 h4 51.Rd1 Kf4 52.Kb5 g5 53.Ka4 g4 54.Kb4 h3 55.Rf1 Ke3 56.Rf5 g3 57.Rg5 g2 58.Rg3 Kf2 59.Rh3 g1Q 60.Rh2 Qh2 0–1. aniabielak – karnal78, kurnik, 2012.

7.a4 a5 8.b5 c5 9.d3 d5 10.Nfd2 e5 11.g4 d4 12.e4 Ne8 13.Nf1 Nd6 14.Bc1 Qh4 15.Rg1 Qe7 16.Bd2 Kh8 17.Qc1 Rg8 18.h4 f5 19.h5 fe4 20.hg6 Bf8 21.Bg5 Qg7 22.gh7 Kh7 23.Rh1 Kg6 24.Bh6 Qe7 25.g5 Kf7 26.Bh5 Ke6 27.Bg4 Kf7 28.Bh5 Ke6 29.Bf8 Qf8+= 30.Bg4 Ke7 31.Rh6 Kd8 32.Be6 Nf7 ½–½. Banuls,Adrien (1855) – Bidet,Stephane (2010), Hyeres, 2009. (=1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6 6.Be2 Nbd7)

7.b5 c5 8.0-0 b6 9.d4 cd4 10.Nd4 Bb7 11.Nc6 Bc6 12.bc6 Nc5 13.Bf3 Qc7 14.Nd2 Nd3 15.Bd4 Nc5 16.Nb3 a5 17.a4 Rab8 18.Nc5 bc5 19.Bf6 Bf6 20.Rb1 Bc3 21.Qc2 Be5 22.h3 e6 23.Rb7 Rb7 24.cb7 Rd8 25.Qb3 Qb8 26.Qb6 Rd7 27.Qa5 Rb7 28.Bb7 Qb7 29.Qb5 Qa8 30.a5 Bc3 31.a6 Bb4 32.Ra1 Bc3 33.Ra2 1–0. axtur777 – mrgun (1610), lichess.org, 2020.

7.Nc3 Nb6 8.0-0 e5 9.c5 dc5 (9...Nbd5 10.cd6 cd6 11.d4 Nc3 12.Bc3=) 10.bc5 Nbd7 11.d4 ed4 12.Nd4 (12.Qd4!? c6 13.Rfd1=) 12...Nc5+= 13.Qc2 c6 14.Ba3 Ne6 (better is 14...Nfd7!?=) 15.Ne6+/- fe6 (15...Be6 16.Rad1 Qc8 17.Bf8 Qf8 18.Rd2+=) 16.Bf8 Qf8 17.Rad1 b6 18.Rd2 (18.Ne4 c5+/-) 18...Bb7 19.Bf3 Rc8 (19...Nd5 20.Ne4+/-) 20.Qb3 (20.Qa4 a6+/-) 20...Qe7 21.Rc1 Nd5 22.Nd5 cd5 (22...ed5 23.Bg4 Rc7 24.Be2+=) 23.Rc8+/- Bc8 24.Rc2 (24.e4!? de4 25.Be4+/-) 24...Ba6+= 25.Qb1 Bd3?? (better is 25...Be5+=) 26.Rc8+– Kf7 27.Qd3 1–0. wlittle (2155) – bobbs (2205), net–chess.com, 2004.

7.d3 c5 8.a3 b6 9.Qc2 Bb7 10.Nbd2 Re8 11.Nf1 (11.0-0 e6+=) 11...Qc7 12.Rc1 (12.Ng3 cb4 13.ab4 a5=) 12...e5 13.e4 Nf8 (13...cb4 14.ab4 a5 15.ba5 ba5 16.Ne3=) 14.Rb1 Ne6 15.Ng3 Nf4 16.Bf1 (16.0-0 cb4 17.ab4 a5=) 16...Rad8 (16...cb4 17.ab4 b5 18.Bc3+=) 17.Nd2 (17.b5 Nd7=) 17...cb4+= 18.ab4 d5 19.Ne2?? de4–+ 20.Nf4 ef4 21.d4 e3 22.Nf3 (22.fe3 Re3 23.Kf2 Be4 24.Ne4 Ne4 (24...Re4?! 25.Be2–/+) 25.Kg1 Nc3 26.Bc3 Rc3 27.Qc3 Bd4 28.Qd4 Rd4–+) 22...ef2 (22...Ng4 23.fe3 Re3 24.Kd2 Bf3 25.gf3 Bd4 26.Bd4 Rd4 27.Kc1–+) 23.Kd2 (23.Kf2 Ng4 24.Kg1–+) 23...Ng4 24.d5 (24.Qa4–+) 24...Qe7 25.Qb3 Bb2 26.Rb2 (26.Bd3 Bd5! 27.cd5 Rd5 28.Rb2 Qe3 29.Kc2 Rd3 30.Qc4 Qe2 31.Kb1 Rd1 32.Qc1 Rh1 33.Qh1 f1Q 34.Qf1 Qf1 35.Ka2 Qc4 36.Ka1–+) 26...Qe1 27.Kc2 Ne3 28.Kd3 Nf1 29.Qc3 Qe4 0–1. Gaggiottini,Manfredo (2095) – Barbier,Wim (2185), Forli op, 1995. (=1.Nf3 Nf6 2.b4 d6 3.e3 g6 4.Bb2 Bg7 5.Be2 Nbd7 6.c4 0-0)

7.d3 h6 8.0-0 e5 9.Qc2 (9.d4 a5 10.a3 ed4 11.Nd4 Ne5=) 9...a5 (9...Re8 10.a3=) 10.a3 ab4 (10...Qe7 11.Nc3=) 11.ab4 Ra1 12.Ba1 c5 (12...Re8 13.Nc3=) 13.bc5 Nc5 14.Nc3 Be6 (14...Re8 15.Bb2+=) 15.d4 ed4 16.Nd4 Bg4 (16...Qe7 17.Rd1+=) 17.Bg4 Ng4 18.h3 (18.Nd5 Re8+=) 18...Ne5 19.Nd5 Ned3 (19...Re8 20.Nb5+/-) 20.Nb5 Ba1 (20...Ne5 21.f4 Nc6 22.Bg7 Kg7 23.Qb2 f6 24.f5+/-) 21.Ra1 Ne5 22.Rd1 f5 23.Nf4 Rf6 24.Qb2 (24.Qd2 Qf8+–) 24...Nf7 (better is 24...Kh7!?+/-) 25.Nc7!+– Ne5? (25...Qc7 26.Nd5 Double attack (26.Qf6 Deflection; 26.Nd5 Decoy)) 26.Qe5!! de5 27.Rd8 Kf7 28.Nfd5 Ne6 (28...Rc6+–) 29.Rd7 (29.Rd7 Kf8 30.Nf6+–) 1–0. pcmvr – mpopp, net–chess.com, 2017.

7.d4 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).

7.0-0 a5

8.a3 c5 9.bc5 dc5 10.Qc2 b6 (10...Qc7 11.Nc3+=) 11.d3 Qc7 12.h3 Bb7 13.Nfd2 Rad8 14.Nc3 Ne5 15.f4 (better is 15.Nb5!? Qc6 16.Nf3 Nf3 17.Bf3+=) 15...Nd3–/+ 16.Bd3 Qd7 17.Be4 Qd2 18.Qd2 Rd2 19.Bb7 Rb2 20.Rab1 Rc2 21.Nd5 Nd5 22.cd5 Re2 23.Rf3 Rb2 24.Rb2 Bb2 25.a4 c4 (25...b5 26.ab5 a4 27.d6 ed6 28.f5–+) 26.Kf1 b5! 27.Ba6 c3 28.Rf2 ba4 29.Rc2 Rc8! 0–1. Gloor,R (2215) – Gaehwiler,G (2170), TCh–SUI, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7)

8.a3 c6 9.Qc2 Qb6 10.ba5 Ra5 11.Bc3 Ra8 12.d4 d5 13.Nbd2 Qc7 14.a4 dc4 15.e4 b5 16.d5 cd5 17.ed5 (17.ab5 Ra1 18.Ra1 e6+=) 17...Nd5 18.Bg7 Kg7 19.ab5 Ra1 20.Ra1 c3 21.Nb1 N7b6 22.Nd4 Qc5 23.Qd1 e5 24.Nc2 Bf5 25.Nba3 Rd8 26.Bg4 Bg4 27.Qg4 f5 28.Qg3 Nf4 29.Qe3 Qc7 30.Nb4 Nfd5 31.Na6 Qe7 32.Qc5 Qd7 33.Nc2? (better is 33.f3–+) 33...Rc8 34.Qa3 Qb5 35.Nab4 Ra8 36.Qc1 Ra1 37.Qa1 Nb4 38.Qc3 Nc2 39.Qc2 Qc4 40.Qb2 Qd4 41.Qb1 e4 42.h3 Nd7 43.Qc1 Qf6 44.Qc4 Qa1 45.Kh2 Qe5 46.Kg1 e3 47.fe3 Qe3 48.Kh1 Qe7 49.Qd3 Nf6 50.Qc3 Qd6 51.Qa1 Kh6 52.Qc1 f4 53.Qe1 g5 54.h4 g4 55.Qa5 Qd1 56.Kh2 g3 (56...g3 57.Kh3 Qg4) 0–1. Bajorski,Leszek (1795) – Fink,Pascal (2015), Main Vogelsberg op 4th, 2009. (=1.Nf3 Nf6 2.c4 d6 3.b4 g6 4.Bb2 Bg7 5.e3 Nbd7 6.Be2 0-0)

8.b5 c6 9.a4 cb5 10.cb5 b6 11.Nd4 Bb7 12.Nc6 Bc6 13.bc6 Nc5 14.Bf3 Qc7 15.d4 Nce4 16.d5 Nc5 17.Nd2 e6 18.e4 ed5 19.ed5 Rae8 20.Nc4 Nd5 21.Bg7 Kg7 22.Bd5 h6 23.Rb1 Rb8 24.f4 Na6 25.Ne3 Nb4 26.f5 Nd5 27.Qd5 Rbe8 28.f6 Kh7 29.Ng4 Re6 30.Rbe1 Re1 31.Re1 h5 32.Re7 Qc8 33.Ne3 h4 34.c7 Re8 35.Rf7 Kh6 36.Nc4 Re1 37.Kf2 1–0. axtur777 – Samara63, lichess.org, 2019.

8.b5 e5 9.d4 ed4 10.ed4 Re8 11.Nc3 b6 (11...d5!?=) 12.Re1+= Bb7 13.Qc2 d5 14.Nd5 (14.Qb3!?+=) 14...Nd5= (worse 14...Bd5 15.cd5 Nd5 16.Bc4+/-) 15.cd5 Bd5 16.Rac1 Rc8 (16...Ba2 17.Qc7 a4 18.Ba3=+) 17.a4 c6 18.bc6 Rc6 19.Qd2 Rc1 20.Rc1 Nf6 (20...Bh6 21.Qh6 Re2 22.Nd2=+) 21.Bb5+= Ne4 22.Qe1 (22.Qc2!? Rf8 23.Ba3+=) 22...Re6= 23.Ne5 Nd6 24.Qc3 (24.Bc6 Bc6 25.Rc6 f6=+) 24...Nb5=+ 25.ab5 Be5 (25...Qe8 26.Qc8=+) 26.de5= Qg5 (26...Qd7 27.Qc8 Qc8 28.Rc8 Kg7 29.f4=) 27.h3?? (better 27.f3 a4 28.Qd3+=) 27…Qg2 0-1. negrovich1 (1920) - lancerisimo (2075), Rated Blitz game, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7)

8.b5 e5 9.d4 ed4 10.ed4 Re8 11.Nbd2 Nf8 12.Bd3 Bg4 13.h3 Bh5 (13...Bc8!?+=) 14.g4+/- Ng4 15.hg4 Bg4 16.Be4 Qc8 17.Re1 Ne6 18.Bd5 (18.Qb3 Nf4 19.Qe3 Bh6=) 18...c6 (18...Nd4 19.Re8 Qe8 20.Bd4 Bd4 21.Rb1+=) 19.bc6 bc6 20.Be6 fe6 21.Rb1 e5 (21...Rf8 22.Qb3+=) 22.de5 de5 23.Qb3 Qf5 (better is 23...Rb8!? 24.Qa3 Bf3 25.Qf3 e4+=) 24.c5+/- Kh8 25.Nh2 Bh3 26.Ne4 Rab8 27.Qe3 Rb4?? (better is 27...Rf8+–) 28.Nd6 (28.Nd6 Rg4 29.Ng4 Qg4 30.Qg3 Qg3 31.fg3+–) 1–0. GuestGKXC – GuestTFGB, freechess.org, 2018.

7.0-0 a6

8.a4 a5 9.ba5 Ra5 10.d4=.

8.a4 c5 9.Qb3 cb4 10.Qb4 Nc5=.

8.a4 c5 9.b5 ab5 10.ab5 Ra1 11.Ba1=.

8.a4 c5 9.b5 b6 10.Qc2 (10.Nc3 Bb7=) 10...Bb7 (10...ab5 11.ab5 Ra1 12.Ba1=) 11.Nc3 a5 12.Rad1 e5 (12...Qc7 13.h3=) 13.Ng5 (13.d3 Re8+=) 13...h6= 14.Nge4 Qe7 (14...Ne4 15.Ne4 Qe7 16.d3=) 15.Bf3 (15.f3 Qe6+=) 15...Rab8 (15...Ne4 16.Be4 (worse is 16.Ne4 f5+=) 16...Be4 17.Qe4=) 16.Nf6 Nf6 (worse is 16...Bf6 17.Bc6 Bg7 18.Nd5+/-) 17.Bb7 Qb7 ½–½. Vaast,Jean Philippe – Nativel,Fabrice, Reunion op 7th, 2004.

8.a4 c5 9.b5 b6 10.h3 Bb7 11.d4 ab5 12.ab5 Re8 13.d5 Ra1 14.Ba1 e6 15.Bf6 Nf6 16.Nc3 ed5 17.Nd5 Nd5 18.cd5 Qc7 19.Bc4 Bc8 20.Nd2 Qe7 21.e4 Qg5 22.f3 Bh3 23.Kh2 Bd7 24.g3 Qh5 25.Kg2 Bh3 26.Kf2 Bd4 27.Ke2 Bf1 28.Qf1 f5 0–1. Abdullaevich (1790) – VEERMANI (1830), lichess.org, 2018.

8.Nc3 a5 9.a3 Nb6=.

7.0-0 b6

8.a4 a5 9.Nd4 Bb7 10.b5 Ne4 (10...e5 11.Nf3=) 11.d3+= Nec5 12.Na3 (12.Qc2 e5 13.Nc6 Bc6 14.bc6 Nb8=) 12...e5 13.Nc6 Bc6 14.bc6 Nf6 (14...Nb8 15.Bf3=) 15.d4 (15.Nb5 Qe7+=) 15...ed4 16.ed4 Ne6 17.Nb5+=. Katalymov,Boris – Gusev, 1959.

8.Qa4 Bb7=.

8.Qc2 c5 9.a3 Bb7 10.Nc3 e6 11.d4 Qe7 12.Rfd1 Rfd8 13.Nb5 a6 14.Nc3 Rac8 15.Qb3 cd4 16.Nd4 Rc7 17.Rac1 Rdc8 18.Nf3 d5 19.cd5 Nd5 20.Nb1 b5 21.Rc7 Rc7 22.Nd4 N7b6 23.h3 Nc4 24.Bc1 Ndb6 25.Nc3 Nd5 26.Ncb5 ab5 27.Nb5 Ncb6 28.Nc7 Qc7 29.Bd2 Qe5 30.Bf3 Qb2 31.Qd3 Bf6? 32.e4+– Nc3 33.Bc3 Bc3 34.Qd8 Kg7 35.Qb6 Bc8 36.b5 e5 37.Qc7 Be6 38.b6 Bd4 39.Rd4! 1–0. Pisk,Petr (2335) – Luch,Michal (2280), Pobeskydy Sme, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 0-0 6.Be2 Nbd7 7.0-0 b6)

8.Nc3 Bb7 9.d4 c6 10.a4 (10.a3 c5+=) 10...c5 11.bc5 dc5 12.d5 Re8 13.Qc2 Qc7 14.Nb5 Qd8 15.Bd3 a6 16.Nc3 Qc7 17.e4 Rad8 18.Rfe1 Kh8 (18...Ne5 19.Ne5 Qe5 20.a5+=) 19.Rad1 e6 20.Bc1 (20.a5 ed5 21.ab6 Qd6 22.cd5 Qb6+/-) 20...e5 21.Ne2 Nf8 22.Rf1 h6 23.Nh4 Kh7 24.f4 N6d7 25.g4 (25.Nf3 Qd6+=) 25...f6 (25...ef4 26.Bf4 Be5 27.Bg3 Bg3 28.Ng3=+) 26.Rf3 (26.f5+=) 26...g5 (better is 26...Qd6!?=) 27.fg5+/- fg5 28.Nf5 Ng6 29.Rdf1 Ndf8 (29...Nf4 30.Ng7 Kg7 31.Ng3+=) 30.Neg3 Rd7 (30...Nf4 31.Ng7 Qg7 32.Nf5+/- (< 32.Bf4 gf4 33.Nf5 Qg4 34.Qg2 Qg2 35.Kg2 Bc8=+)) 31.Nh5 (31.Ng7 Rg7 32.Nh5 Rd8 33.Ng7 Kg7+–) 31...Bh8+/- 32.Qf2 Rf7 (32...Nf4 33.Bb2+/-) 33.h4 (33.Nd6 Rf3 34.Ne8 Rf2 35.Nc7 Rf1 36.Kf1+=) 33...Nh4? (better is 33...gh4 34.Nh4 Rf3 35.Qf3 Bg7+/-) 34.Nh4+– Rf3 35.Nf3 (better is 35.Qf3 Kg8 36.Nf5+–) 35...Ng6? (35...Qd7 36.Nh2 Kg8 37.a5 ba5 38.Qc5+–) 36.Ne1 (better is 36.Ng5 hg5 37.Qf7 Qf7 38.Rf7 Kh6 39.Rb7+–) 36...Rf8 37.Qe2 Nf4 38.Nf4 gf4 1–0. Kucharkowski,Jens – Enderlein, Freital, 1988.

8.d3 Bb7 9.Nbd2 e5 (9...c5 10.a3=) 10.Rc1 (10.d4 c5=) 10...Re8= 11.a4 (11.e4 a6=) 11...c5 12.bc5 (12.b5 a6=) 12...dc5 13.e4 (13.Rb1 Qc7=) 13...Qc7 (13...Nh5 14.a5=) 14.h3 (14.Rb1 Rad8=) 14...h6 (14...Qd6 15.Rb1=+) 15.Nh2 (15.Rb1 Rab8=) 15...Nh7 (15...Qd6 16.Rb1=+) 16.Qb3 Nhf8 17.Ng4 (17.Nhf3 Ne6=+) 17...Ne6 18.Nf3 (18.Ne3 Nd4 19.Bd4 ed4=) 18...Nd4 19.Nd4 ed4 (19...cd4 20.Bf3=+) 20.Rce1 h5 (20...f5 21.ef5 gf5 22.Nh2=+) 21.Nh2= Be5 (21...Re7 22.Bc1=) 22.Nf3 Bf4 23.Bc1 (23.Qc2 Ne5=) 23...Kg7 24.Bf4= Qf4 25.Qc2 Re7 26.g3 Qh6 27.Nh4 Kh8 28.f4 f6 29.Bf3 Rae8 30.f5 Ne5 31.fg6 Rd7 32.Qe2 Qg5 33.g7 Rg7+= 34.Nf5 Rh7 35.h4 Qg6=+ 36.Rf2?? Bc8 37.Kg2 Nf3?? 38.Qf3+= Bf5 39.ef5 Qf7 40.Re8 Qe8 ½–½. Niephaus,Friedel – Weglehner,Alfred (1750), 12sen.Woerishofen, 1996.

8.Nd4 Bb7 9.b5 e5 10.Nc2 Re8 11.d3 Nf8 12.Nc3 Qd7 13.Nb4 Rac8 14.a4 c5 15.bc6 Bc6 16.Nc6 Qc6 17.Bf3 Qd7 18.a5 Ne6 19.ab6 ab6 20.Nb5 Qd8 21.Bb7 Rb8 22.Bc6 Re7 23.Ba3 Rc8 24.Bf3 Rd7 25.Rc1 d5 26.cd5 Nd5 27.Rc8 Qc8 28.Nd6 Qa6 29.Qb3 Ne7 30.Bg4 Nf5 31.Bf5 gf5 32.Rc1 Nc5 33.Bc5+= bc5 34.Nf5 Qd3 35.Qd3 Rd3 36.Ng7 Kg7 37.g4 Rd5 38.Kg2 e4 39.Kg3 Kg6 40.Kf4 f5 41.h3 h5 42.Rc2 hg4 43.hg4 fg4 44.Kg4 Rf5 45.Ra2 Rf6 46.Rb2 Rf3 47.Rc2 Rf5 48.Kg3 Kg5 49.Rc4 Re5 50.Kh3 Kf5 51.Kg3 Kg5 52.Ra4 Re6 53.f4 ½–½. Kuehn,Carsten – Schmidt,M, Saarland–ch Gr–C, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7 7.0-0 b6)

8.Ne1 Bb7 9.Bf3 c6 10.b5 Qc7 11.bc6 Bc6 12.Bc6 Qc6 13.Qf3 (better is 13.d3!?=) 13...Qc4–/+ 14.Nc3 Ne4 15.Qe4 Qe4 16.Ne4 Bb2 17.Rb1 Bg7 18.Nd3 Nc5 19.Ndc5 dc5 (19...bc5?! 20.Rb7 f5 21.Ng5=+) 20.Rbd1 (20.Rfd1!? Rad8–+) 20...Rfd8 21.Ng5 Rd3 22.Ne4 (22.Nf3 Ra3–+) 22...Rad8 23.Rfe1 f5 24.Ng5 Rd2 25.Rd2 Rd2 26.a4 c4 27.g3 c3 28.Nf3 Ra2 29.Rd1 (29.Nd4 Ra4 30.Rc1–+) 29...c2 30.Rc1 (30.Rd8 Bf8 31.Rc8 Ra1 32.Kg2–+) 30…Ra1 (31.Ra1 Ba1–+) 0–1. Hasler,Ueli – Coope,Derek (1945), CiF, 2006.

7.0-0 Nb6

8.a4 e5 (8...Bg4 9.d3=) 9.a5+= Nbd7 10.d4 1–0. GuestLYBC – GuestXKTF, freechess.org, 2018.

8.d4 Bf5+=.

8.d4 Bg4 9.Nbd2 c6 10.h3 Bf3 11.Bf3 d5 12.cd5 cd5 13.a4 Rc8 14.a5 Nbd7 15.b5 e6 16.b6 ab6 17.ab6 Qb6 18.Ba3 Rfe8 19.Rb1 Qa7 20.Bd6 Qa6 21.Bg3 Nb6 22.Nb3 Nc4 23.Nc5 Rc5 24.dc5 Rc8 25.Bd6 b6 26.Qb3 Nd2 27.Qb6 Qb6 28.Rb6 Nf1 29.Kf1 Ne8 30.Rb8 Nd6 31.Rc8 Nc8 0–1. axtur777 – Csebas, lichess.org, 2020.

7.0-0 c5

8.a3 a6 9.Qc2 Qc7 10.Nc3 Nb6 11.b5 Bf5 12.d3 Bd7 13.a4 a5 14.Ne4 e5 15.Nf6 Bf6 16.Nd2 Bg7 17.Nb3 Be6 18.Bc3 Nd7 19.Rad1 b6 20.Bf3 Rac8 21.Bc6 Nb8 22.Bf3 Nd7 23.Nd2 f5 24.Bc6 Nf6 25.d4 e4 26.d5 Bd7 27.Qb2 Rf7 28.h3 Rcf8 29.Nb3 Bc8 30.Qd2 Nh5 31.Bg7 Ng7 32.Rb1 Qa7 33.Kh2 ½–½. Kuehn,Carsten (2150) – Alt,Hans Juergen, Saarland–ch MB2, 2004. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7 7.0-0 c5)

8.a3 Qb6=.

8.a3 e5 9.h3 e4 10.Ng5 h6 11.Ne4 Ne4 12.Bg7 Kg7 13.Bf3 Nef6 14.d4 Rb8 15.bc5 d5 16.cd5 Re8 17.c6 Nb6 18.Nc3 Nbd5 19.Nd5 Nd5 20.Rc1 bc6 21.Rc6 Bb7 22.Rc5 Qd6 23.Qd2 Nf6 24.Bb7 Rb7 25.Rfc1 Rbe7 26.Rc6 Qd7 27.Qc3 Ne4 28.Qb2 Qf5 29.d5 Kh7 30.d6 Rd7 31.Rd1 Red8 32.Rc7 Rd6 33.Rd6 Rd6 34.Ra7 Rd1 35.Kh2 Nf2 36.Qb7 Qe5 37.g3 Qe6 38.Qf7 Qf7 39.Rf7 Kg8 40.Rf2 Rd3 41.Rf3 Ra3 42.Kg2 Kg7 43.g4 g5 44.Kg3 Ra2 45.h4 Re2 46.h5 Re1 47.Kf2 Ra1 48.e4 Ra2 49.Ke3 Ra3 50.Kf2 Ra2 51.Ke3 Ra3 52.Kf2 Ra2 ½–½. alfy – krasnaym, kurnik, 2012. (=1.Nf3 d6 2.b4 g6 3.Bb2 Nf6 4.c4 Bg7 5.e3 0-0 6.Be2 Nbd7)

8.b5 b6 9.a4 Bb7 10.Nc3 h5 11.h3 e5 12.d4 ed4 13.ed4 cd4 14.Nd4 Nc5 15.Bf3 Bf3 16.Nf3 Re8 17.Nd5 Nce4 18.Nf6 Nf6 19.Re1 Qc7 20.Qc2 d5 21.Re8 Re8 22.Rc1 dc4 23.Qc4 Qe7 24.Re1 Qd7 25.Re8 Qe8 26.Qc7 Nd5 27.Qc1 Bf8 28.Qc4 Nb4 29.Qc3 f5 30.Qh8 Kf7 31.Ng5 Ke7 32.Qf6 Kd7 33.Qd4 Bd6 34.Qg7 Kc8 35.g3 Qe1 36.Kg2 Nd3 37.Bd4 Nf2 38.Bf2 Bc5 39.Qg8 Kd7 40.Qd5 Ke8 41.Bc5 Qe2 42.Kh1 Qf1 43.Kh2 Qe2 44.Qg2 Qg2 45.Kg2 bc5 46.Kf3 Ke7 47.Ke3 1–0. czemar – perrys, kurnik, 2012.

8.b5 b6 9.a4 Bb7 10.h3 e6 11.Nc3 d5 12.Nh2 (12.cd5 Nd5 13.Qc2 Nb4=) 12...dc4+= 13.Bc4 Qc7 14.Be2 Nd5 15.Bf3 Nc3 16.Bc3 Bf3 17.Qf3 Bc3 18.dc3 Qe5 (18...Rad8 19.Rfd1=) 19.e4 (19.Ng4 Qg5+=) 19...Nf6 20.Rfe1 Rfd8 21.Ng4 (21.Qe3 a6+=) 21...Ng4= 22.hg4 c4 23.Re3 Rd2+= 24.Rd1 Rad8 25.Rd2 Rd2 26.g3 Ra2 27.Qd1 Qc7 28.Re2 Re2 29.Qe2 Kg7 30.Qd2 f6 31.Kg2 g5 32.Qd4 Kf7 33.f3 Ke7 34.Kf2 Qc5?? 35.Qc5+/- bc5 36.Ke3 Kd7 37.f4 Kc7 38.e5 fe5 39.f5 ef5 40.gf5 h5 41.a5 h4 42.gh4 gh4 43.Kf3 Kd7 44.b6 ab6 45.a6 Kc7 46.f6 b5 47.f7 Kb6 48.f8Q Ka6 49.Qf5 Ka5 50.Qe5 Ka4 51.Qc5 Kb3 52.Qb4 Kc2 53.Kg4 Kd3 54.Kh4 Kc2 55.Qb5 Kd3 56.Qb4 Ke3 57.Qc4 Kd2 58.Qd5 Kc3 ½–½. alfons78 – mm1505, kurnik, 2011.

8.b5 b6 9.d3 Bb7 10.Nbd2 e6 11.Qc2 d5 12.Rfd1 Qc7 13.h3 Rfd8 14.Rac1 Rac8 15.Nf1 a6 16.a4 a5 17.Ng3 e5 18.Rb1 d4 19.e4 Rf8 20.Bc1 Ne8 21.Nh2 f5 22.f3 f4–/+ 23.Nh1 h5 24.Bd2 g5 25.Rf1 Ndf6 26.Nf2 Rd8 27.Qd1 Bc8 28.Rb2 Be6 29.Rc2 Kh7 30.Nh1 Ng8 31.Kf2 Qd7 32.Ke1 Nef6 33.Nf2=+ Nh6 34.Rb2 Rg8 35.Bc1 Bf8 36.Kd2 g4 37.hg4 hg4 38.fg4 Nhg4 39.Nhg4 Ng4 40.Ng4 Bg4 41.Bg4 Qg4=+ 42.Qg4 Rg4 43.Rg1 Bh6–/+ 44.Ke1 Rdg8 45.Kf1 Rg3 46.Rb3 R8g6 47.Bd2 f3 48.Bh6 fg2 49.Kf2 Kh6 50.Ra3 Kh5 51.Ke2 Kh4 (52.Kd2 Kh3–+) 0–1. Weiss,Ma – Burschowsky,Matthias, AUT–ch U14 Austria, 1995.

8.b5 b6 9.d3 Bb7 10.Nbd2 Re8 11.Qc2 Qc7 12.Nb3 (12.h3 a6=) 12...Rad8 (12...d5 13.h3+=) 13.a4 a5 (13...Ne5 14.Ne5 de5 15.Nd2=) 14.Bc3 (14.ba6 Ba6 15.h3 Rb8=) 14...Nf8 15.Nbd2 Qd7 (15...Ne6 16.h3=) 16.Rad1 (16.Ng5 Ne6 17.h4 h6 18.Ne6 Qe6= (worse is 18...fe6 19.d4+/-)) 16...e5 (16...Ne6 17.h3=) 17.Rfe1 Ne6 18.Qb2 Nc7 (18...Qe7 19.h3=) 19.Nb3 Qg4 20.h3 Qc8 21.Nfd2 Qf5 22.Nf1 Re7 23.Ng3+= Qc8 24.Nd2 Nce8 25.Bf3+= Bf3 26.Nf3 Qb7 27.Nd2 Qc7 28.Nb3 Rdd7 29.Qa1 Qb8 30.Re2 d5= 31.e4 d4+= 32.Bd2 Nc7 33.Qc1 Ne6 34.Ba5 ba5–/+ 35.Na5 Nd8 36.Nb3 Rc7 37.Ra2 Nd7 38.Qa3 Bh6 39.a5 Ra7 40.Nc5= Nc5 41.Qc5 Ne6 42.Qa3 Bf8 43.Qb2 White prepares b6 43...Nc5 44.Ne2 Qd8 45.b6 Ra6 46.Qb5 Re6 47.Nc1 Qa8 48.Rdd2 Qc6?? 49.Nb3+– Nb3 50.Qb3 Qb7 51.Qb5 f6 52.Rdc2 White intends c5 52...Rc6 53.c5 Kg7 54.Rab2 Ra8 55.a6 Ra6 56.Ra2 Ra2+= 57.Ra2 Rc5 58.Qc5?? Bc5–+ 59.Ra7 Qa7! 60.ba7 0–1. Emberger,Rene (2115) – Bauckmann,Oliver, Graz op–A, 2004.

8.b5 e6 9.d3 Qe7 10.Nbd2 d5 11.Ne5 Ne5 12.Be5 Rd8 13.Qb3 (13.Qc2 b6+=) 13...b6 (13...Ne4 14.de4 Be5 15.Rad1 de4 16.Ne4 Bh2 17.Kh2 Rd1 18.Rd1 Qh4 19.Kg1 Qe4 20.Rd8 Kg7 21.Qc3 e5 22.Bd3+–) 14.a4 (14.d4 Bb7=) 14...Bb7 (14...Ne4 15.de4 Be5 16.Rad1 (worse is 16.ed5 Ba1 17.Ra1 ed5–/+) 16...de4 17.Ne4=) 15.Qb2 Ne8 16.Bg7 Ng7 17.a5 Nf5 18.a6 Bc8 19.Bf3 Nh4 20.Rfd1 f6 21.e4 Nf3 22.Nf3 (worse is 22.gf3 de4 23.de4 e5+=) 22...de4 23.de4 e5 24.Rd8 Qd8 25.Qc2 Bg4 26.Rd1 Qe7 27.Rd3 Rd8 28.Qd2 Rd3 29.Qd3 Be6 30.Nd2 Qd7 31.Qd7 Bd7 ½–½. Kuhn,Christian – Wolf,Gabriel, Saarland–ch MVT, 1994. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7)

8.a3 b6

9.Qb3 Bb7 10.Nc3 a6 11.b5 a5 12.Na4 e5 13.h3 Ne8 14.Rfd1 f5 15.Rac1 Qc7 16.d4 e4 (16...Nef6!?+=) 17.Ng5+/- Rf6 18.d5 h6 (better is 18...Nf8!?+/-) 19.Bf6 Bf6 20.Ne6 Qc8 21.f3 ef3 22.Bf3 Ng7 23.e4 f4 24.Ng7 Kg7 25.Bg4 Bd8 26.Qc3 Bf6 27.Qf3 g5 (27...Ne5 28.Bc8 Nf3 29.gf3 Rc8 30.Nb6 Re8+–) 28.Nb6! (28.Nb6 Ne5 29.Qf1+– (worse is 29.Nc8 Nf3 30.gf3 Bc8+–)) 1–0. orangutanb4 (1970) – agnelo (1785), kurnik, 2011.

9.Qb3 Bb7 10.d4 cd4 11.Bd4 Rc8 12.Nbd2 Rc7 13.Rfc1 Ne4 14.Bg7 Kg7 15.a4 Nd2 16.Qb2 Kg8 17.Qd2 Bf3 18.Bf3 Ne5 19.Be2 Qc8 20.Qd4 Nc6 21.Qb2 Ne5 22.Qd4 Qf5 23.a5 ba5 24.b5 Rfc8 25.h3 (worse is 25.Ra5 Nc6 26.Qd2 Na5 27.Qa5 d5–+) 25...h5 26.f4 (worse is 26.Ra5 Nc6 27.Qd2 Na5 28.Qa5 d5–+) 26...Nd7 27.Ra5 Nb6 28.g4 Qe6 29.Kf2 h4 30.Ra3 Rd7 31.Bd3 Qf6 32.Qf6 ef6 33.Ra2 Rc5 34.Rca1 Rcc7 35.Be4 Nc4 36.Bc6 Re7 37.e4 Kg7 38.Rd1 g5 39.Rd4 Nb6 40.Rd6 gf4 41.Rd4 Nd7 42.Bd7 Red7 43.Rd7 Rd7 44.Kf3 Rd3 45.Kf4 Rh3 46.Ra7 Rb3 47.Ra2 Kg6 48.Rh2 h3 49.b6 ½–½. Yatsenko,Alexey (2250) – Danin,Alexandre (2335), RUS Spartakiad U18, 2003. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7 7.0-0 c5)

9.Qc2 Bb7 10.d3 Ng4 11.d4 cd4 12.Nd4 Rc8?? (better is 12...Ngf6=) 13.Bg4+– a6 14.Nc3 (better is 14.Qa4 Rc7 15.Be2+–) 14...f5?? (14...e5 15.Nb3 Rc4+–) 15.Ne6 Qe8 16.Ng7 (16.Nf8!? Kf8 17.Be2 Ne5+–) 16...Kg7 17.Nd5 (17.Be2 Ne5 18.Rfd1 Qc6+–) 17...Kg8 (17...e5 18.Bf3 b5 19.Rfc1+–) 18.Qc3 (18.Bf3 Bc6+–) 18...e5 (18...Ne5 19.Nb6 fg4 20.Nc8 Qc8+–) 19.Bf3 g5 (19...b5 20.Ne7! Qe7 21.Bb7 Rc4 22.Bd5 Kg7 23.Bc4+–) 20.Qb3 (20.Nb6!? Nb6 21.Bb7 Qe6 22.Ba6 Rc7+–) 20...Ba8 21.e4 (21.c5 Kg7 22.cd6 Qf7+–) 21...g4 22.Be2 Bd5 23.ed5 h5 (23...Nf6 24.Rae1+–) 24.h3 (24.f3 g3+–) 24...Nf6 25.hg4 hg4 26.c5 (26.Qe3 Nd7 27.Qg5 Kh7 28.Qh4 Kg8+–) 26...bc5 27.bc5 (27.Ba6!? Rc7+–) 27...Rc5 28.Rac1 Ne4 29.Rc5 Nc5 30.Qg3 Rf7 31.Qh4 Rg7 32.Bc3 1–0. GuestNSQH – GuestTQFG, freechess.org, 2017.

9.d3 Bb7 10.Qc2 Rc8 11.b5 d5 12.Nbd2 Qc7 13.cd5 Bd5 14.e4 Bb7 15.Nc4 Nh5 16.Bg7 Kg7 17.a4 e5 18.g3 Kg8 19.a5 Ng7 20.Rfe1 Ne6 21.Bf1 Nd4 22.Nd4 ed4 23.f4 Nf6 24.Bh3 Rcd8 25.Qd2 Bc8 26.Bc8 Qc8 27.f5 Qc7 28.e5 Nd5 29.f6 Kh8 30.Re4 Rfe8?? 31.Qh6 (31...Nf6 32.ef6 Qg3 33.hg3 Rg8 34.Rh4 Rde8 35.Qh7#) 1–0. Marre – mileg, zagraj.pl, 2003.

9.d4 Bb7 10.Qb3 Qc7 11.Nc3 Rac8 12.Rfd1 a6 13.Rac1 e6 14.a4 Ne4 15.Ne4 Be4 16.Bc3 cd4 17.Bd4 Bd4 18.ed4 e5 19.Ng5 Bf5 20.g4 Be6? (better is 20...Qd8 21.Nh7 Kh7 22.gf5 ed4+/-) 21.d5+– (21.Ne6?! fe6 22.c5 d5 23.Ba6 Rcd8+/-) 21...Bg4 22.Bg4 h6 23.Bd7 (better is 23.Qh3!? hg5 24.Bd7 Rb8+–) 23...Qd7 24.Qh3 Qh3 25.Nh3 g5 26.f3 f5 27.Nf2 h5 28.c5! bc5 (28...bc5 29.bc5 Combination; 28...dc5 29.bc5 Combination) 29.bc5 Rc5 30.Rc5 dc5 31.Nd3 c4 32.Ne5 c3 33.d6 Kg7 34.h4! g4 (34...gh4 35.Nc6 Combination) 35.d7 Rd8 36.Rc1 Kf6 37.f4 Ke6 38.Rc3 Kd6 (38...Rd7 39.Nd7 Kd7 40.Re3+–) 39.Nf7 (39.Nf7 Ke7 40.Nd8 Kd8 41.Rc5+–) 1–0. Reshetnikov,Alexey (2410) – Doulidis,Pavlos Georgios, Nikaia op, 2009. (=1.c4 Nf6 2.Nf3 g6 3.b4 d6 4.Bb2 Bg7 5.e3 Nbd7 6.Be2 0-0 7.0-0 c5)

9.d4 cd4 10.Nd4 Bb7 11.Nd2 Rc8 12.Qc2 Ne5 13.Nb5 a6 14.Nc3 b5 (14...Qd7!?=) 15.cb5+= ab5 16.Qd1 (16.Bb5!? Nd5 17.Ndb1+=) 16...Nc4= 17.Nc4 bc4 18.Rc1 Qd7 19.Bf3 d5 20.Qe2 Rfd8 21.Rfd1 Qf5 22.h3 e6 23.Bg4 Ng4+= 24.hg4 Qg5 25.f4 Qe7 26.g5 h6 27.gh6= Bh6 28.Na4 Bc6 29.Nc5 Be8 30.Qd2 Qh4 31.Qd4 Bf8 32.Qf6 Qf6 33.Bf6 Rd6 34.Bd4 Bg7 35.Bg7 Kg7 36.Rc3 Rb6 37.Kf2 Bc6 38.g4 Ra8 39.Ra1?? Rb4!–+ 40.ab4 Ra1 41.e4 Rb1 42.ed5 ed5 43.Na6 Bb5 44.Nc7 Rb4?? 45.Nd5–/+ Rb2 46.Ke3 Rg2 47.g5= Rg3 48.Kd4 Rg4 49.Kc5 Ba6 50.Ra3?? Bb7–/+ 51.Kc4 Bd5–+ 52.Kd5 Rf4 53.Rg3 Rf5 54.Ke4–/+ f6 55.gf6 Kf6 56.Ra3 Re5 57.Kf4 Re6 58.Kg4 Re4 59.Kf3 Kf5 60.Ra5= Re5 61.Ra4 g5 62.Rb4 Rd5 63.Ra4 Rd3 64.Ke2 Rb3 65.Kf2 g4 66.Kg2 Rf3 67.Rb4 Rf4 68.Rb5 Kg6 69.Kg3 Re4 70.Rc5 Rd4 71.Ra5 Re4 72.Ra6 Kf5 73.Ra5 Re5 74.Re5 Ke5 75.Kg4 ½–½. emeryt85 – talentbr, kurnik, 2011.

8.b5 a6

9.a4 ab5 10.cb5 Nb6 11.Nc3 Nbd5 12.Nd5 Nd5 13.Bg7 Kg7 14.h3 b6 15.Nh2 e5 16.Bf3 Be6 17.d4 Ra7 18.de5 de5 19.Qd2 Nb4 20.Qb2 Qc7 21.Ng4 f6 22.Rfd1 Rd8 23.Rd8 Qd8 24.Ne5 fe5 25.Qe5 Qf6 26.Qb8 Qa1 27.Kh2 Ra4 28.Qb6 Nd5 29.Qe6 Nf6 30.b6 Rb4 31.b7 Qb2 32.Qe7 Kh6 33.Qc5 Rb7 34.Bb7 Qb7 35.Qf8 Qg7 36.Qg7 Kg7 37.f3 Kf7 38.e4 Ke6 39.g4 Nd7 40.Kg3 Ne5 41.f4 Nc4 42.h4 Nd2 43.e5 h6 44.Kf2 Ne4 45.Ke3 Kd5 46.h5 gh5 47.gh5 Ng3 48.Kf3 Nh5 49.Kg4 Ng7 50.Kf3 Ke6 51.Kg4 Kf7 52.f5 h5 53.Kg5 Nf5 54.Kf5 h4 55.Kg4 Ke6 56.Kh4 Ke5 ½–½. Abdullaevich (1900) – koojimashti (1855), lichess.org, 2020.

9.a4 b6 10.d3 Bb7 11.Nbd2 d5 12.Qc2 (12.ba6 Ra6 13.cd5 Bd5=) 12...Qc7 (12...dc4 13.Nc4 Qc7 14.Nfe5+=) 13.Qc3 (13.ba6 Ba6 14.cd5 Nd5 15.Bg7 Kg7=) 13...Rad8 (13...Rfd8 14.Rfb1=) 14.Rfe1 (14.ba6 Bc6+/-) 14...e5 (14...a5=) 15.Ne5 (15.ba6!? d4 16.Qa3 Ba6 17.ed4 cd4 18.Qb4=) 15...d4+= 16.ed4 cd4 17.Qd4 Ne8 18.f4 (better is 18.Qe3 Ne5 19.d4+=) 18...Ne5–+ 19.Qd8 Qd8 20.fe5 (20.Be5 Be5 21.fe5 Qd4 22.Kh1 ab5 23.ab5 Qe5–+) 20...Qg5 (20...Bg2!? 21.Kg2 Qg5 22.Kh1 Qd2 23.Rab1–+) 21.Nf3 Qe3 22.Kf1 (22.Kh1 Bf3 23.Bf3 Qd3 24.ba6 Nc7–+ (24...Qc4?! 25.a7 Nc7 26.Rec1–/+)) 22...Bf3 23.Bf3 (23.gf3 ab5 24.ab5 Be5 25.Be5 Qe5–+) 23...Qd3 24.Be2 (24.Kg1 Qc4 25.ba6 Qa6–+) 24...Qf5 (24...Qd2!? 25.Rab1–+) 25.Bf3 ab5 (25...Qc2 26.Re2 Qc4 27.ba6 Qa6 28.Kg1–+) 26.ab5 (26.cb5 Nc7–+) 26...Nc7 (26...Qc2 27.Ba3–+) 27.Ra7 (27.Kg1 Qd3 28.Rac1 Bh6–+) 27...Ne6 28.Ra6 (28.Kg1 Qd3 29.Ba3 Qc3–+) 28...Rb8 29.Kg1 Ng5 (better is 29...Qc2 30.Ba3 Qc3–+) 30.Bd5 Ne6 31.Be4?? (31.Bf3 Qc2 32.Ba3–+) 31...Qg5 32.Bc1 (32.Bf3 Qd2 33.Re2 Qd1 34.Kf2 Nf4–+) 32...Qe5 33.Ra4 (33.Kf1 Nc5 34.Bf3 Qh2–+) 33...Qd4 (better is 33...Nc5!? 34.Ra3 Ne4 35.Rae3–+) 34.Kf1 (34.Kh1 Nc5 35.Ra8 Ra8 36.Ba8–+) 34...Nc5 35.Bf4 (35.Be3 Qf6 36.Kg1 Na4–+) 35...Ne4 36.Bb8 Qf2 0–1. Goldmund,Heike – Mazo,Joel, FICGS, 2017.

9.a4 Re8 10.Nc3 b6 (10...Qa5 11.d4=) 11.Qc2 Bb7 12.Rfd1 Qc7 (12...h6 13.Rdb1=) 13.h3 (13.Rdb1 e6=) 13...a5 14.Rac1 Rad8 15.Qb1 e5 (15...Ne5 16.Ne5 de5 17.d3=) 16.d3 (16.e4 Rf8=) 16...Re7 (16...d5 17.cd5 Nd5 18.d4=) 17.Ne4 (17.Qc2 d5 18.cd5 Nd5 19.Nd5 Bd5+=) 17...Ne8 (17...d5 18.cd5 Nd5 19.Ned2=) 18.g4 (18.Nfd2 f5 19.Nc3 Nef6=) 18...f5 (18...Nef6 19.g5 Ne4 20.de4=) 19.gf5 gf5 20.Ng3 f4 (20...Rf7 21.d4 cd4 22.ed4= (22.Nf5? d3 23.Ng5 de2–+)) 21.Nf5 Rf7 22.e4 Nf8 23.Kh2 Ne6 (23...Bc8 24.Ng5 Rf6 25.Ng7 Ng7 26.Rg1=) 24.Rg1+= Nd4? (better is 24...Kh8!?+=) 25.Bd4 (25.Nh6 Kh8 26.Nf7 Qf7 27.Bd4 cd4+–) 25...cd4 (25...Rf5 26.ef5 cd4 27.Ng5+–) 26.Nh6 Kh8 27.Nf7 Qf7 28.Rg2 (28.Ng5 Qg6+–) 28...Bc8 (28...Nf6 29.Rcg1 Rg8 30.Qd1+–) 29.Ng5 Qf6 (29...Qg6 30.Bg4+–) 30.Bh5 h6 (30...Be6+–) 31.Nf7 Kg8 32.Nd8 Qh4 33.Bg4 (33.Bf7 Kf8 34.Be6 Qd8 35.Bc8 Qc8+–) 33...Bg4 34.Rg4 Qf2 (34...Qd8 35.Rcg1 Kh7+–) 35.Rg2 Qh4 36.Ne6 f3 37.Rg3 Qf6 (37...Kh8 38.Rf1 Qe7 39.Ng7 Ng7 40.Qc1+–) 38.Ng7 Ng7 39.Rcg1 Qf4 (39...Kf8 40.Rg7 f2 41.Rg8 Kf7 42.R1g7 Qg7 43.Rg7 Kg7 44.Qf1+–) 40.Kh1 f2 41.Rg7 Kf8 42.Rg8 Kf7 43.R1g7 Ke6 44.Re8 (44.Qf1 Qf3 45.Kh2 Qf4 46.Kg2 Kf6+–) 44...Kf6 45.Rf8 Kg7 46.Rf4 (46.Rf4 ef4 47.Qf1+–) 1–0. Campos Calvo_Sotelo,Juan (1895) – Beekhof Harmsen,Willen, Championship Individual Veteranos, 2017.

9.a4 ab5 10.ab5 Ra1

11.Ba1 Qa5 12.Bc3 Qa7 13.d3 b6 14.Nbd2 Bb7 15.Qc2 Ra8 16.Ra1 Qb8 17.Qc1 Ra1 18.Qa1 Qa8 19.Qa8 Ba8 20.h4 Ng4 21.Nb1 Nge5 22.Ne5 Ne5 23.f4 Nd7 24.g4 Bc3 25.Nc3 h6 26.d4 Nf6 27.g5 hg5 28.hg5 Ne4 29.Na4 Ng3 30.Bg4 Be4 31.Nb6 Bd3 32.dc5 dc5 33.Na4 1–0. pcmvr (2870) – leonine (2345), net–chess.com, 2011.

11.Ba1 Qa5 12.Bc3 Qa8 13.Qc2 b6 14.d3 Bb7 15.Nbd2 h5 16.Ra1 Qc8 17.h3 Qc7 18.e4 Ra8 19.Qb1 Qb8 20.Nb3 Ne4? (better is 20...Ra1 21.Qa1 e6+=) 21.Bg7+– Nf2? (21...Ng3 22.fg3 Kg7 23.Ra8 Qa8 24.Qe1+–) 22.Kf2 Kg7 23.Qb2 f6 24.Nbd2 Kf7 25.Ne4 Be4 26.de4 Qb7 27.Ra8 Qa8 28.Bd3 g5 29.Nd2 Ne5 30.Bc2 Qc8 31.Nf3 Nc4 32.Bb3 d5 33.Qa2 e6 34.Bc4 dc4 35.Qc4 Qd7 36.e5 g4 37.hg4 hg4 38.Qg4 Qd3? 39.ef6 Kf6 40.Qf4 Ke7 41.Qc7 Kf6 42.Qe5 Ke7 43.Kg3 Qb5 44.Qc7 Kf6 45.Qd8 Kf5 46.Qg5 Ke4 47.Qe5 Kd3 48.Qe6 c4?? 49.Ne5 Kc3 50.Qf6 Kb3 51.Qe6 Qc5 52.Kf3+/- b5 53.g4 b4? 54.g5+– Qd4 55.g6 Kc3?? 56.Qc4! Qc4 57.Nc4 Kc4 58.g7 b3 59.g8Q Kc3 60.Qc8 Kd2 61.Qb7 Kc1 62.Qb3 Kd2 63.Qe3 Kd1 64.Qe2+– Kc1 65.Ke3 (65.Ke3 Kb1 66.Kd3 Ka1 67.Kc3 Kb1 68.Qb2; 65.Qa2 Kd1 66.Ke3 Kc1 67.Kd3 Kd1 68.Qd2) 1–0. orangutanb4 (2045) – joipo01 (1770), kurnik, 2011.

11.Ba1 Qa5 12.Nc3 b6 13.Qc2 Bb7 14.Bb2 Qa8 15.Ra1 Qc8 16.h3 Qc7 17.Ne1 e6 18.Bf3 Ra8?? (better is 18...Bf3 19.Nf3 d5=) 19.Ra8+– (19.Ra8 Ba8 20.Ba8+–) 1–0. orangutanb4 (1950) – awesome18 (1640), kurnik, 2011.

11.Ba1 Qa5 12.Nc3 Ng4 13.Qb3 b6 14.Bb2 Bb7 15.Ra1 Qb4 16.Qb4 cb4 17.Na4 Ra8 18.Bg7 Kg7 19.Nd4 Ngf6 20.Nb3 Nc5 21.Nac5 Ra1 22.Na1 bc5 23.d4 Nd7 24.Nb3 Be4 25.dc5 dc5 26.Bd1 Kf6 27.Nd2 Bd3 28.f3 Ke6 29.Kf2 Nb6 30.Bb3 Kd6?? 31.g4?? f5+= 32.h3 e5 33.Kg3 g5 34.gf5 Bf5 35.e4 Be6 36.h4 h6 37.hg5 hg5 38.Kh2 g4 39.Kg3 gf3 40.Kf3 Ke7 41.Kg3 Kf6 42.Kh4 Kg6 43.Ba2 Na4 44.Bb3 Nc3 45.Bc2 Bc8 46.Nb3 Na4 47.Nd2 Nb6 48.Bb3 Bb7 49.Kg4 Nd7 50.Kf3 Kg5 51.Ke3 Kg4 52.Nf3 Kg3 53.Nd2 Nf6 Attacking the isolated pawn on e4 54.Bc2 Ng4 55.Ke2 Kf4? 56.Nb3+– Be4?? 57.Be4 Ke4 58.Nc5 Kd4 59.b6 e4 60.b7 1–0. Fournier,Frederic (1950) – neftis (1970), Echecs21 (5/5), 2003.

11.Ba1 Nb6 12.d3 d5 13.Qb3 dc4 14.dc4 Bf5 15.Rd1 Qc7 16.Nbd2 Rd8 17.Nf1 Rd1 18.Qd1 Be6 19.Qc2 Qd6 20.Be5 Qd7 21.h3 Ne8 22.Bg7+= Kg7 23.Ne5 Qc7 24.f4 f6 25.Nf3 Nd6 The pressure on c4 grows 26.N1d2 Qd8 27.Kf2 Qa8 28.e4 Qa1 29.e5 fe5 30.Ne5?? Qd4–/+ 31.Kf3?? Bf5 32.Qc1? Ne4?? 33.Nb3?? Qd6 34.Bd3?? Nf6 35.Bf5 gf5 36.Qc3?? Ne4 37.Qb2?? Kg8?? 38.g4 e6 39.g5?? Nd7?? 40.h4?? Ne5–+ 41.Qe5 Qd3 42.Kg2 Qe2 43.Kg1 Qe1 44.Kg2 Qg3 45.Kf1 Qf2 (45...Qb3?! 46.Qe6 Kg7 47.Qe5 Kg6 48.Qe8 Kg7 49.Qe5 Kg6 50.Qe8 Kg7 51.Qe5=) 0–1. carocan (1685) – blackqueen13 (1745), kurnik, 2011.

7.0-0 e5

8.a4 Re8 9.Nc3 Qe7 10.Qb3 h6 (10...e4 11.Ne1=) 11.Nd5 (11.d4 a5+=) 11...Qd8 (11...Nd5 12.cd5 a5 13.Rfc1+=) 12.Rac1 (12.d4 a5=) 12...c6 (12...a5 13.b5=) 13.Nf6 Nf6 14.d4 ed4 (14...e4 15.Nd2=) 15.Nd4 Bd7 16.Rfd1 White intends b5 16...Qe7 17.Bf3 Rad8 18.a5 a6 19.b5 c5 (19...Ne4 20.Rc2+=) 20.Ne2 Bc8 (20...ab5 21.cb5 (worse 21.Bb7 Ng4=+) 21...Be6 22.Qa4+=) 21.Nc3 (21.Nf4 Be6+/-) 21...Qe6 (21...ab5 22.Nb5 Bf5 23.Qa4+/-) 22.Nd5 Qf5 (22...Nd5!? 23.Bd5 Qe7+/-) 23.Bf6+- Bf6 24.b6 (better 24.Bg4! Qe5 25.f4+-) 24...Be5+/- 25.h3 h5 26.Nc7 Re7 27.Rb1 Kg7 28.Qa2 Rdd7 29.Qa4 (29.Nd5 Re8+/-) 29...Qg5 30.Kf1 (30.Qc2 Qh4+/-) 30...Bf6 (30...Rd8 31.Qc2+/-) 31.Nd5 Re8? (better 31...Re5!?+/-) 32.Nf6+- Qf6 (32...Kf6 33.Bb7! Bb7 34.Qd7 Qg2 35.Ke1 Re6+/-) 33.Rd5?? (better 33.Bb7 Rdd8 34.Bc6+-) 33...Red8 (33...Rdd8 34.Rd2+/-) 34.Rbd1 (34.Kg1!?+/-) 34...Re7+= 35.Qa1 (better 35.R5d2!?+=) 35...Qa1=+ 36.Ra1 Be6 37.Rad1 Bd5 38.Bd5 f5 39.g3 (39.h4 Kf6=+) 39...Kf6 (39...h4 40.gh4 Rh8 41.f4-/+) 40.h4= Red7 41.Ke2 Re8 42.Kd3 Re5 43.f4 Ree7 44.Re1 Kg7 45.e4 fe4 46.Be4 Re6 47.f5 Re5 (better 47...gf5!? 48.Bf5 Re1 49.Bd7 Kf6-/+) 48.fg6= Rde7 49.Re3 Kf6 (49...Re8!?=) 50.Rf3+= Kg7 51.Bd5?? (better 51.Rf7 Rf7 52.gf7+=) 51...Kg6-/+ 52.Rf8 (better 52.Kc2-/+) 52...Rg7?? (better 52...Re2 53.Rf3 Ra2-+) 53.Rg8?? (better 53.Be4 Re4 54.Ke4+-) 53...Rd5!-+ 54.cd5 Rg8 55.Ke4 (55.Ke3-+) 55...Kf6 56.Kf4 Rg4 (56...Re8 57.Kf3 c4 58.Kg2 c3 59.Kg1 c2 60.Kg2 c1Q 61.Kf2 Qd2 62.Kf3 Qe2 63.Kf4 Qe3) 57.Kf3 Ra4 (57...Ra4 58.Ke3 Ke5-+) 0-1. carlos78 (2200) - Loxodonta_africana (2255), Rated Blitz game, lichess.org, 2014.

8.Nc3 c6 9.Qb3 Re8 10.d3 Nf8 11.h3 Bf5 12.Ng5 Qc7 13.Nge4 Rad8 14.Rac1 Qb8 15.c5 Ne4 16.Ne4 dc5 17.bc5 Be4 18.de4 Ne6 19.Rc2 Qc7 20.Rb1 Bf8 21.Ba3 Rd7 22.Qa4 a6 23.Bb4 Qd8 24.Ba3 ½–½. Benko – Kraidman, Netanya 1969.

8.Nc3 Ne8 9.Qb3 f5 10.Nd5 (10.d4 e4 11.Nd2 c6+=) 10...c6= 11.Nc3 Kh8 (11...e4 12.Nd4 Ne5 13.c5 Kh8 14.f4=) 12.a4 h6 (12...a5 13.b5+=) 13.a5 g5 14.d3 g4 (14...Nc7 15.Qc2+=) 15.Nd2 Qg5 16.f4 gf3 17.Nf3 Qe3 18.Kh1 e4 (better 18...a6!? 19.c5! dc5+/-) 19.Bc1+- Qc1? (better 19...Qe2 20.Ne2 Ba1+-) 20.Rac1 ef3 21.Bf3 Ne5 22.Ne2 Be6 (22...Nf6 23.Nf4+-) 23.Nf4 Bf7 24.d4 (24.Bh5 Bh5 25.Nh5 Ng6+-) 24...Ng6 (24...Nf3 25.Rf3 Bd4+-) 25.Ng6 Bg6 26.b5 (better 26.a6!? ba6 27.Bc6 Rb8+-) 26...Bd4 27.bc6 bc6 28.Bc6 Rd8 29.Rcd1 Be5 (29...Bc5 30.Qg3 Kh7 31.Rb1+-) 30.c5! Nf6 (30...dc5 31.Rd5 Double attack (31.Rd8 Pinning; 31.Rd8 Deflection; 31.Rd5 Decoy)) 31.cd6 (31.Qe6 Bf7 32.Qe7 Ng8 33.Qa7 Bh5+-) 31...Bd6 (31...Rd6 32.Rd6 Bd6 33.Qe3+-) 32.Qe6 Kg7 1-0. carlos78 (2205) - carlborz (2150), Rated Blitz game, lichess.org, 2014.

8.Nc3 Ne8 9.d3 f5 10.Qb3 Kh8 11.a4 h6 12.a5 Nef6 13.Rfc1 g5 (13...c5 14.d4+=) 14.Nd2 (14.d4 e4 15.Nd2 Qe7+/-) 14...f4+= 15.Nde4 g4 16.ef4 ef4 17.Nf6 Nf6 18.Ne4 f3 (18...Ne4 19.Bg7 Kg7 20.de4+=) 19.Bf1 (19.gf3 Ne4 20.Bg7 Kg7 21.de4 Qg5 22.fg4 Bg4 23.Bg4 Qg4 24.Qg3 Rf4+/-) 19...Bf5 (19...Ne4 20.de4 Qe7 21.Bg7 Qg7 22.g3=) 20.Re1 Be4 21.de4 Nd7 22.Bg7 Kg7 23.Qc3 (23.g3 Ne5=) 23...Qf6 24.Qe3 (24.Qf6 Kf6 25.h3=) 24...Rae8 (24...fg2 25.Bg2 Ne5 26.c5=+) 25.c5 (better 25.Qa7!? fg2 26.Bg2+=) 25...dc5=+ 26.bc5 Qe5 (26...Re5 27.gf3 gf3 28.c6 Qg5 29.Kh1 Qe3 30.Re3=+) 27.Rad1 (27.c6 bc6 28.Red1 Rd8=) 27...Re7 (better 27...Nc5!? 28.g3 b6-/+ (worse 28...Ne4 29.Rd4+/-)) 28.c6= bc6 29.Qa7 Nf6 (29...Nc5 30.g3 Rf6=) 30.Qd4 (30.Rc1!?+=) 30...fg2=+ 31.Bg2 (31.Bg2 Ra8 32.Qe5 Re5 33.Rc1=). GM_HUSARZ (1845) - JimmyMow (2005), Rated Bullet game, lichess.org, 2015.

8.d3 Qe7 9.b5 Re8 10.a4 Nf8 11.Ba3 h5 12.Nbd2 e4 13.Nd4 ed3 14.Bd3 N8h7 15.Rc1 Nd7 16.N2f3 Ng5 17.h3 Ne5 18.Ng5 Nd3 19.Qd3 Qg5 20.Nf3 Qf6 21.Rc2?? (better 21.e4=) 21...Bf5-+ 22.Qe2 Bh3?? (better 22...Bc2 23.Qc2 Qe6-+) 23.Bb2 (better 23.gh3!? Qe6 24.Kg2+-) 23...Qf5+/- 24.Bg7 (24.gh3 Qh3 25.Bg7 Kg7+/-) 24...Kg7 (better 24...Qg4!? 25.Ne1 Qe2 26.Re2 Be6=) 25.gh3+/- Qh3 26.Nh2 Re5 27.f4 (better 27.Qf3!? Qf3 28.Nf3+/-) 27...Re3 28.Qg2?? (better 28.Qd1=) 28...Rg3-+ 29.Re2 (29.Rf3 Rg2 30.Rg2 Qe6-+) 29...Rg2 30.Rg2 Re8 (30...Qb3!? 31.f5 Qc4 32.fg6 fg6 33.Rf5 Qa4 34.Nf3-+) 31.f5 Re3 (31...Qc3 32.f6 Kf8 33.Rgf2-+) 32.fg6 fg6 33.Rgf2 Rg3 34.Rg2 (34.Kh1-+) 34…Qg2 0-1. Undertakerle (1950) - POLSKAGUROM06 (2515), Lichess Liga, lichess.org, 2023.

8.d3 Qe7 9.Nbd2 h6 10.Qc2 Nh7 11.Rac1 c6 12.d4 ed4 13.Bd4 Ne5 14.Ne5 Be5 15.Nf3 Bd4 16.Nd4 c5 17.bc5 ½–½. Ianov – Blehm, Frydek Mistek 1996.

8.d3 Re8 9.Nbd2 a6 10.a4 b6 11.Qc2 c6 (11...c5 12.bc5 Nc5 13.Rfb1=) 12.Rfd1 Bb7 13.Nf1 (13.e4 c5 14.Bc3 Nh5=) 13...d5 14.c5 bc5 15.bc5 a5 16.Rab1 Qc7 17.Rdc1 (17.d4 e4 18.N3d2 Ba6 19.Ba6 Ra6+=) 17...Rad8 (17...Ba6 18.Ng3=) 18.h3 Bc8 19.Ba1 h5 20.Ng5 (20.Ng3 Bh6+=) 20...Nf8 21.Rb6 (21.Nd2 N8d7+=) 21...N6d7 22.Rb3 Bh6 23.Nf3 Ne6 24.Rcb1 (24.d4 Bf8+=) 24...Nec5 25.Rc3 Qd6 26.d4 (26.Ne5 Re5 27.Rc5 Qc5 (worse 27...Nc5 28.Be5 Qe5 29.Qc5+=) 28.Qc5 Nc5 29.Be5 Bg7 30.Bg7 Kg7=) 26...ed4 27.ed4 Qe7 (27...Na4 28.Qa4 Re2 29.Rc6=) 28.dc5 (better 28.Re1!? Ne6 29.Rc6=) 28...Qe2-/+ 29.Qb3 (29.Qe2 Re2 30.Nd4 Rde8 31.Ne2 Re2-/+) 29...Qe7 (29...Ba6 30.Nd4 Bc4 31.Ne2 Bb3 32.Rcb3 Re2-+ (32...Nc5?! 33.Rc3=)) 30.Rbc1? (30.Rc2 Ba6=+) 30...Ne5 (30...Bc1!? 31.Rc1 Ba6 32.Qc3-+) 31.Ne5-/+ Qe5 32.Rd1 Bg7 (32...Qe2 33.Rcd3-/+) 33.Rg3 (better 33.Re3 Qf4 34.Bg7 Kg7 35.Qc3 d4 36.Qb2=+) 33...Qa1 (better 33...d4 34.Rd4 Rd4-/+ (34...Qc5?? 35.Rd8 Rd8 36.Rg6+-)) 34.Ra1+= Ba1 35.Ne3 (35.Qb6 d4+=) 35...Bd4 (35...Be5 36.Rf3 Ba6 37.Qc2-/+) 36.Qc2 (36.Qb6!=) 36...Kh7 37.Rf3 Re7 (37...Be6 38.Nf1=+) 38.g4 (better 38.Qd2!? Bg7 39.Nc4+=) 38...hg4=+ 39.hg4 Kg7 (39...Rde8=+) 40.Qd3 (better 40.Qd2!? Be5 41.Nc4 Bg4 42.Re3+=) 40...Re4-/+ 41.g5 Rh8 42.Rg3 (better 42.Ng2 Be5 43.Re3-+) 42...Be5 (42...Bc5?! 43.Qc3 Bd4 44.Qc6=) 43.Nd5 (43.Qb3 Rb4 44.Qd1 Rh5-+) 43...cd5 (43...Re1 44.Kg2 Bf5 45.Re3 Rh2 46.Kf3 Bd3 47.Re1-+) 44.Qd5 Re1 45.Kg2 Be6 46.Qd2 Re4 47.Re3 (47.Qa5 Bd5 48.c6 Rh2 49.Kf3 Bc6 50.Qb6-+) 47...Rh2 48.Kf3 (48.Kf1 Bc4 49.Qe2 Be2 50.Ke2 Rf2 51.Kf2 Bd4-+) 48…Rf4 (48...Rf4 49.Kg3 Rff2 50.Re5 Rhg2 51.Kh4 Rd2 52.Re6 fe6 53.Kh3 Rge2 54.Kg3 Rd3 55.Kf4 e5 56.Kg4 Re4) 0-1. TT66 (2310) - L-0 (2510), Rated Blitz game, lichess.org, 2016.

8.d3 Ne8 9.Nc3 f5 10.Qb3 g5 11.Rac1 g4 12.Nd2 Qh4 13.c5 Kh8 14.Nd5 c6 15.g3 Qg5 16.f4 gf3 17.Nf3 Qh6 18.Ne7 Qe3 19.Rf2 e4?! 20.Nh4 Ne5 21.Nc8 Rc8 22.Ng2 Qh6 23.de4 Nf6 24.ef5 Ne4 25.Rf4 Ng5 26.Rh4 Qf6 27.Rf1 Nef3 28.Bf3 Qb2 29.Qb2 Bb2 30.cd6 Rf5 31.Nf4 Rd8 32.Bg4 Rf6 33.d7 Bc3 34.a3 Bb2 35.Re1 Kg8 36.Rh5! Nf7 37.Re8 Kg7 38.Ne6 Re6 39.Be6 Bf6 1–0. Cottarelli – Bonnafous, Cannes 1996.

8.d4 c6 9.de5 de5 10.Ne5 Ne4 11.Qc2 (better 11.Nd3!?+/-) 11...Ne5= 12.Qe4 (12.Rd1 Qe7 13.Qe4-/+) 12...Bf5-/+ 13.Qf4 Nf3! 14.Bf3 (14.Bf3 Bb2 Discovered attack; 14.Qf3 Bb2 Discovered attack; 14.gf3 Bb2 Discovered attack) 14...Bb2 15.Na3 White plans b5 (better 15.e4!? Be4 16.Nd2-/+) 15...Ba3-+ 16.b5 Rc8 (16...cb5 17.Bb7 Rb8 18.Rad1-+) 17.Rad1 Qb6 18.Rd7?? (18.bc6 bc6 19.Bg4 Bg4 20.Qg4-+) 18…Bd7 0-1. onxisback (2055) - tryu (1935), Rated Bullet game, lichess.org, 2013.

8.d4 Re8 9.de5 de5 10.Nc3 Ng4 11.h3 e4 12.hg4 ef3 13.Bf3 Qe7 (13...Ne5 14.Qd8 Rd8 15.Na4+=) 14.Qc2 (better 14.Nd5 Qd8 15.Bg7 Kg7 16.Qd4 f6 17.g5+/-) 14...Qb4= 15.Bd5 (better 15.Nd1!?=) 15...c6-/+ 16.Bf3 Ne5 17.Be2 (17.Na4!?-/+) 17...Nc4-+ 18.Bc4 Qc4 19.Rac1 (19.g5 Qg4-+) 19...Bg4 20.Na4 (20.Rfe1 Rad8-+) 20...Qc2 (20...Qa2 21.Ra1 Bf5 22.Ra2 Bc2 23.Nc5-+) 21.Rc2 Bf5 22.Rd2 Red8 23.Rfd1 Rd2 24.Rd2 Bb2 25.Nb2 Kf8 26.Nc4 Ke7 (26...Be6 27.Na5 Rb8 28.Rb2-+) 27.f3 (27.e4 Be6 (27...Be4?! 28.Re2=) 28.Na5 Rb8-+) 27...Rd8 28.Rb2 b6 29.e4 Be6 30.Ne5 (30.Rc2 c5 31.Kf1 Bc4 32.Rc4 Rd2-+) 30...Rd1 31.Kf2 Rc1 (31...Kd6 32.f4-+) 32.Ke2 (32.f4 f6 33.Nd3 Rc3-+) 32...c5 (32...Kd6 33.f4-+) 33.Kd2 (33.Nc6 Kf6-+) 33...Rg1 34.Ke3 (34.Kd3 Rd1 35.Kc2 Rd6-+) 34...Ra1 (34...Kd6 35.f4-+) 35.Nc6 Kd6 36.Na7 Ra2 37.Ra2 Ba2 38.Nb5 Kc6 39.Nc3 (39.Na7 Kd7 40.Nb5 Bc4-+) 39...Be6 40.f4 b5 41.Kf3 (41.Nd1 b4-+) 41...b4 42.Nd1 c4 43.g4 (43.Ke3 Kc5 44.Nf2 c3 45.Nd3 Kc4 46.Ne5 Kb3-+) 43...Kc5 (43...c3 44.Nc3 Bg4 45.Ke3 bc3 46.Kd3-+) 44.f5 Bd7 45.fg6 Bc6 (45...hg6 46.g5-+) 46.Kf4 (better 46.gf7 Kb5 47.f8Q+-) 46...hg6-+ (46...fg6 47.Ke3 c3 48.Nc3 bc3 49.Kd3-+) 47.e5 (47.Ke3 c3 48.g5 Kc4-+) 47...c3 48.Kg5 (48.Nc3 bc3 49.Ke3-+) 48...c2 49.Ne3 c1Q (49...c1Q 50.e6 Qe3 51.Kf6 Qe6 52.Kg7 f5 53.Kh7 Qe7 54.Kg6 Be8 55.Kh6 f4 56.g5 Qf7 57.g6 Qg6) 0-1. GM_HUSARZ (1960) - MuchoLAG (2205), Rated Bullet game, lichess.org, 2015.

7.0-0 e6

8.Nc3 b6 9.d4 Bb7 10.Qc2 c5 11.a3 d5 12.dc5+= bc5 13.cd5 ed5 14.bc5 Nc5 15.Rab1 Rc8 16.Rfc1 Ba8 17.Nb5 Nce4 (17...a6!? 18.Nbd4 Nfe4+=) 18.Qc8+– Qc8 19.Rc8 Rc8 20.Na7 Rb8 21.Nb5 Bc6 22.a4 Nd7 (22...Bd7 23.Ne5+–) 23.Nfd4 (23.Bg7 Kg7 24.a5 Bb5 25.Rb5 Ra8+–) 23...Bd4 (23...Ne5 24.Rc1 Bb5 25.Nb5+–) 24.Bd4 (24.Nd4?! Ba4 25.Bd3 Nd2+=; 24.ed4 Nb6 25.a5 Nc4 26.Bc4 dc4–/+) 24...Nd2 25.Rc1 Nb3?? (better is 25...Bb5 26.Bb5 Nb3+–) 26.Rc6 Nd4 1–0. GuestNFTH – GuestSVXH, freechess.org, 2017.

8.d3 Qe7 9.a3 h5 10.Nbd2 e5 11.Qc2 Re8 12.Rfd1 Nf8 13.Rac1 Bg4 14.h3 Bf5 15.e4 Bd7 16.c5 a5 17.Ra1 a4 18.cd6 cd6 19.Nc4 Rec8 20.Qd2 Rc7 21.Nb6 Ra6 22.Qe3 Bb5 23.Rac1 Rc6 24.Nd5 Qd8? 25.Nc3+– Rab6 26.Nb5 Rb5 27.d4 Rbb6 28.de5 Rc1 29.Bc1 N6d7 30.ed6 Qf6 1–0. Kampmann,Lutz (2130) – Gillich,Werner (1610), Passau op 5th, 1997.

7.0-0 Re8

8.d4 e5 9.de5 Ng4 10.Nc3 Nge5 11.Nd2 a5 12.a3 Nb6 13.c5 dc5 14.bc5 Nbd7 15.Na4 Qe7 16.Rc1 Rd8 17.Bd4 Nf6 ½–½. Benko,Pal C – Bogdanovic,Rajko, Sarajevo, 1970. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7)

8.d4 e5 9.de5 Ng4 10.h3 Nge5 11.Nc3 Nf3 12.Bf3 Ne5 13.Qe2 Nf3 14.Qf3 c6 (14...Be6 15.Qe2=+) 15.Rab1 (15.Rfc1 Qh4 16.b5 Bd7=) 15...Be6=+ 16.Qe2 Qh4 17.Rfd1 (17.e4!?=+) 17...Bc4-/+ 18.Qd2 (18.Qc2 Re6-/+) 18...d5-+ 19.Ne2 (19.b5-+) 19...Rad8 (19...Ba2!? 20.Ra1 Bb3 21.Rdb1-+) 20.Nd4 (20.Bg7 Kg7 21.Nd4 Re4-/+) 20...Qf6 (20...Qh5 21.Rbc1-/+) 21.Ne2 (21.Nb3 Qe7 22.Bg7 Bb3 23.Rb3 Kg7 24.Qd4 Qf6 25.Qa7 Ra8 26.Qb7 Reb8=) 21...Qe7 22.Bg7 Kg7 23.Qd5?? (better 23.Nd4-/+) 23...cd5 24.Nf4 (24.Nd4 Ba2 25.Rb2 Bc4-+) 24...Qf6 25.e4 (25.Rd4-+) 25...Qf4 26.ed5 Re2 27.Rf1 Rd5 28.g3 Qf3 29.Kh2 (29.b5 Rd3 30.Rb4 Rf2 31.Rf2 Qg3 32.Kh1 Rd1 33.Rf1 Rf1) 29...Rf2 30.Rf2 Qf2 31.Kh1 Rd2 (31...Rd2 32.Rd1 Rd1) 0-1. POLSKA_HUSARIA (2000) - BahadirOzen (2755), Rated Bullet tournament, lichess.org, 2016.

7.Nc3 c5

8.a3 a5 9.bc5 dc5 10.d4+=.

8.a3 a6 9.d4 cd4 10.ed4 b6 11.0-0 Bb7 12.Rb1 Rc8 13.b5 a5 14.a4 Bf3 15.gf3 e5 16.de5 Ne5 17.Qd4 Re8 18.Nd5 Nd5 0–1. Evgenii_777 (1700) – Leonardo1981 (1665), lichess.org, 2020.

8.a3 Qb6 9.b5 (9.0-0 e5=) 9...Rd8 (9...e5 10.d3=) 10.0-0 Ng4?? (10...a6 11.Rb1=) 11.Qc2?? (11.Nd5 Qa5 12.Ne7 Kf8 13.Bg7 Kg7 14.Nc8 Rac8+–) 11...Nge5? (11...Ndf6 12.e4=) 12.Ne5 (12.Nd5 Qa5 13.Ne5 Be5 14.d4 (14.Ne7?! Kf8 15.Nd5 Nb6+–) 14...cd4 15.ed4 (15.Ne7?! Kf8 16.ed4 Ke7 17.de5 de5+/-) 15...Bh2 16.Kh2+–) 12...Ne5?? 13.f4 Nd7 14.Bf3 Nf6+= 15.Qb3 Be6 16.d3 Qc7 17.Rad1 Rac8 18.a4 a5 19.Rf2 Qd7 20.Nd5 Nd5 21.Bd5 Bd5 22.cd5 Bb2 23.Qb2 b6 24.d4 Qf5= 25.dc5 dc5 26.Rfd2 Qe4 27.Rd3 Qa4–/+ 28.d6 Rd6 29.Rd6–/+ ed6 30.Rd6 Qe4 31.Rb6 Qe3 32.Qf2 Qc1 33.Qf1 Qc3 34.f5 Re8 35.f6 h5 36.Qf4 Qa1 37.Kf2 Qa2 38.Kf1?? Qe2–+ 39.Kg1 Qd1 40.Kf2 Qe1 41.Kf3 Qe2 42.Kg3 Re3 43.Kh4 Re4 (44.Rb8 Kh7–+) 0–1. Popkirov,Stojan – Abraham,Jan Willem, GER–ch U11 Friedrichroda, 1997.

8.bc5 dc5 9.d4 cd4 10.ed4 b6=.

7.Nc3 e5

8.d3 c6 9.0-0 Qc7 10.Rc1 Re8 11.Nd2 Nf8 12.Qb3 White prepares the advance b5 12...Bd7 13.Rfd1 h5 14.Nce4 N8h7 15.b5 Be6 16.bc6 bc6 17.Ba3 Bf8 18.Qa4 Nd7 19.Bf3 Rec8 20.Rb1 f5 21.Nc3 Ng5 22.Be2 Bg7 23.Rdc1 Nf6 24.Rb2 Bd7 25.Rcb1 Rab8 26.c5 d5 27.f4?? (better is 27.Bb4!? Qb7 28.d4 ed4 29.ed4+=) 27...ef4 28.Qf4 (better is 28.Rb8!? Rb8 29.Rb8 Qb8 30.ef4+=) 28...Rb2 29.Rb2 Qf4 30.ef4 Ng4 31.Bg4 Bc3 32.Rb7 Bd2 (32...hg4?! A) 33.Rd7? A1) 33...Bd2?! 34.fg5 g3 35.hg3= (35.Ra7? Be3 36.Kh1 Rb8 37.hg3 Rb1 38.Kh2 Bg1 39.Kh3 Bc5 40.Ra8 Kh7–/+); A2) 33...Ne6–+; B) 33.fg5 Bd2 34.Rd7=) 33.Bd1 Bf4 34.Rd7 Rc7 (better is 34...a5–/+) 35.Rc7+= Bc7 36.Ba4 Kf7 37.Bc6 Ke6 38.Be8 Nf7 39.Bb2 Ne5 40.Bb5 Ng4 41.h3 Ne3 42.Be8 Nd1 43.Bd4 g5?? (better is 43...Be5 44.Be5 Ke5 45.d4 Ke6+/-) 44.Ba4+– 1–0. Espig,Lutz (2505) – Stegeman,Fritz, Baden–Baden op, 1990. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Nbd7)

8.d4=.

7.d3 b6

8.0-0 Bb7 9.Nbd2 c5 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qc7 14.Bc3 Ra8 15.Qb2 e5 16.e4 Nf8 17.Ra1 Ra1 18.Qa1 Bc8 19.h3 Be6 20.Ng5 N8d7 (20...Bc8 21.Qd1=) 21.Ne6 fe6 22.Qa8 Qb8 23.Qc6 Nh5?? (23...Qf8 24.Nf3+/-) 24.Bg4 (better is 24.Qd7 Nf4 25.Bf1+–) 24...Ndf6 (24...Nf8!?+/-) 25.Be6+– Kh8 26.Nf3?? (better is 26.g3+–) 26...Nf4= 27.Bf7?? (better is 27.Ne5 Ne6 28.Nf7 Kg8 29.Qd6 (29.Nd6? Nd8 30.Qc8 Qd6–+) 29...Qd6 30.Nd6=) 27...Ne2–+ 28.Kh2 Nc3 29.Ng5 Qd8?? (29...Na2 30.Bd5 Bf8–+ (30...Nd5?! 31.Nf7 Kg8 32.Qd5=)) 30.Be6= Qf8?? (better is 30...Qe7 31.Nf7 Kg8 32.Qc8 Bf8 33.Ne5 Kh8 34.Nf7 Kg7+=) 31.Nf7+– (31.Nf7 Kg8 32.Ne5 Kh8 33.Nf7 Kg8 34.Nd6 Kh8 35.Nf7 Kg8 36.Qb6+–) 1–0. GuestFTPC – GuestZCMT, freechess.org, 2017.

8.Nbd2 Bb7 9.0-0 c5 10.a3 Qc7 11.Rc1 a5 12.bc5 bc5 13.Ba1 Rfb8 14.d4 Ne4 15.Bd3 Ndf6 16.Qc2 Nd2 17.Nd2 cd4 18.ed4 e6 19.c5 Qc6 20.f3 d5 21.Rb1 Nh5 22.Rb6 Qc7 23.Rfb1 Bc6 24.Bb5 Bb5 25.R1b5 Rb6 26.Rb6 Nf4 27.Kf1 Nh5 28.Kg1 Nf4 29.Kf1 Nh5 30.Kg1 ½–½. arkady08 (2035) – Geomy (2065), ChessWorld.net, 2003.

6.Be2 Bf5

7.0-0 Na6 8.Qb3 c5 9.b5 Nc7 10.Nc3 e5 11.d3 Qe7 12.h3 Rfd8 13.Rfe1 Rab8 14.Rad1 Bd7 15.Nd2 Be6 16.Qa3 Ra8 17.Na4 Bf5 18.Qb3 b6 19.Bf3 Rab8 20.Nc3 a6 21.a4 a5 22.Bc6 Bd7 23.d4 Kh8 24.f4 Nh5 25.de5 de5 26.Nf3 Bc6 27.bc6 Rd1 28.Qd1 Rd8 29.Nd5 Nd5 30.cd5 ef4 31.ef4 Qc7 32.Qe2 Bb2 33.Qb2 Kg8 34.Qe5 Qe5? (better is 34...Qc8+–) 35.fe5 (35.Re5?! Rc8 (35...Nf4?? 36.c7 Rc8 37.d6+–) 36.d6 Rc6+–; 35.Ne5?! Nf4 36.d6 Nd5+–) 35...Ng7 36.Rb1 Kf8 37.d6 (37.d6 Ne6 38.Rb6+–) 1–0. Degterev,Pavel (2275) – Nemeth,Laszlo, WC–2013–P–00012, 2009.

7.0-0 e5 8.d4 e4 9.Nfd2 c6 10.a4 d5 11.Qb3 Nbd7 12.b5 Re8 13.Nc3 Nf8 14.Rfc1 h5 15.cd5 cd5 16.Na2 Ne6 17.Nb4 a5 18.ba6 ba6 19.Na6 h4 20.h3 g5 21.Ba3 g4 22.hg4 Bg4 23.Bf1 h3 24.gh3 Bh3 25.Bh3 Ra6 26.Qb5 Rb6 27.Qc5 Ng5 28.Qc8 Nh3 29.Qh3 Ng4 30.Rc2 Rg6 31.Kf1 Qd7 32.Ke2 Qa4 33.Raa2 Qa6 34.Ke1 Qd3 35.Bd6 Rh6 36.Qg2 Ne3 37.fe3 Qe3 38.Kd1 Rg6 39.Qh3 Rg1 40.Nf1 Rf1 41.Qf1 Qd3 42.Kc1 1–0. carocan (1700) – mariosty (1710), kurnik, 2012.

7.b5 d5 8.cd5 Qd5 9.Nc3 Qd6 10.d4 Nbd7 11.0-0 Rfc8 12.Rc1 c6 13.bc6 bc6 14.Nh4 Be6 15.Rb1 c5 16.Bf3 Rab8 17.d5 Nd5+=.

7.d3 Ng4 8.Nc3 (8.Bg7 Kg7 9.Nd4 Nh6+=) 8...Ne5 (8...c5 9.bc5 dc5 10.Nh4=) 9.0-0 (9.Ne5 de5 10.0-0 Qd6+=) 9...Nf3 (9...c5 10.b5+=) 10.Bf3 c6 11.b5 Qc7 12.e4 (12.bc6 Nc6 13.Nd5 Qd7 14.Bg7 Kg7+=) 12...Bc3 (12...Bd7 13.d4+=) 13.Bc3 Bd7 14.a4 cb5 (14...e5 15.Qd2+=) 15.ab5+/- Be6 (15...e5 16.Qd2+/-) 16.Qb3 1–0. GuestVGMK – GuestSWYT, freechess.org, 2017.

7.d4 c5 8.bc5 dc5 9.0-0=.

7.d4 Nbd7 8.Nh4 Bb1 9.Rb1 c5 10.a3 Qc7 (10...cb4 11.ab4 d5 12.c5+=) 11.0-0 (11.bc5 Qa5 12.Qd2 Qd2 13.Kd2 dc5+=) 11...a6 (11...cd4 12.Bd4 Ne5 13.Rc1=) 12.f4 (12.bc5 dc5 13.Nf3 Rfd8+=) 12...e6 (12...cd4 13.Bd4 Rae8 14.f5+=) 13.Bd3 (13.Nf3 cb4 14.ab4 Ne4+=) 13...cd4 14.ed4 (14.Bd4 e5 15.Bb2 Rfe8=) 14...Rfe8 (14...d5 15.c5=) 15.Qc2 White intends c5 (15.Qf3 d5 16.c5 h6=) 15...Rac8 (15...d5 16.c5=) 16.Rbe1 (16.Qe2 Nb6 17.Rbc1 Na4=) 16...b5 17.c5 (17.Rc1 Nb6 18.cb5 Qc2 19.Rc2 Rc2 20.Bc2 ab5+=) 17...dc5 (17...Nd5 18.g3=) 18.dc5 Nd5 19.Bg7 Kg7 20.g3 N7f6 (20...Red8 21.Nf3=) 21.Nf3 Ng4 (21...Rcd8 22.Qe2=) 22.Qb2+= Kg8 23.Nd4 (23.Ne5 Nge3 24.Rf3 f6 25.Rfe3 Ne3 26.Re3 fe5 27.Qe5 Kf7+=) 23...e5 (23...Red8 24.Be4=) 24.Bb5 (24.fe5 Re5 25.Re4 Nde3=) 24...ab5= 25.Nb5 Qb8 (25...Qd7 26.Nd6 ef4 27.Ne8 Re8 28.Qd2 Re1 29.Re1 fg3 30.hg3+=) 26.Nd6+= ef4 27.Nc8 (27.Qd4 Nge3 28.Rf4 Nf4 29.Qf4 Nf5 30.Ne8 Re8 31.Qb8 Rb8=) 27...Rc8 (27...Qc8 28.gf4 Re1 29.Re1 Nf4 30.Qc3=) 28.gf4 Nf4 29.Rf3 Ne6 (29...Rd8 30.Ref1 Ne6 31.Qg2=) 30.Qg2 Ne5 ½–½. Sterner,Roland – Pahlen,Hans, corr SSKK 2–77, 1986.

7.0-0 c5

8.a3 Qb6 9.Bc3 Nc6 10.b5 Nb8 11.a4 a5 12.d3 Be6 13.Nbd2 Bf5 14.e4 Bg4 15.Nb3 Bf3 16.Bf3 Nfd7 17.Bg7 Kg7+=.

8.bc5 dc5 9.Qb3=.

8.bc5 dc5 9.d4 Qd6 10.Nc3 Rc8 11.Nb5 Qd8 12.dc5 Nbd7 13.Nfd4 Be4 14.Nb3 Bc6 15.Qe1 a5 16.Rd1 a4 17.Bf6 Bf6 +/-.

7.0-0 Nbd7

8.Nc3 a5 9.b5=.

8.Nc3 c5 9.a3 Rc8 10.Qb3 Ne4 11.Rfd1 Ndf6 12.Nh4 Nc3 13.Bc3 Ne4? (13...Be4 14.d3 Bc6 15.Nf3+=) 14.Nf5 (14.Bg7 Kg7 15.Qb2 e5 16.Nf5 gf5 17.bc5 Re8+–) 14...gf5 (14...Bc3 15.Nh6 Kg7 16.dc3 Kh6 17.Bf3+=) 15.Bf3 (15.Bg7 Kg7 16.Qb2 Nf6 17.bc5 b6 18.cb6 Qb6+–) 15...b6 (better is 15...Bc3!? 16.dc3 Qd7+=) 16.Bg7+/- Kg7 17.Qc2 e5 18.Be4 fe4 19.Qe4 f5 20.Qd5 Rf6 21.d4 cd4 22.ed4 e4 23.c5 bc5 24.dc5+– Qf8 25.cd6 Rd8 26.Qd4 Rdd6 27.Qa7 Kg6 28.Rd6 Qd6 29.Qe3 Qe5 30.Qg3 Qg3 31.hg3 Kf7 32.Kf1 Ke7 33.Ke2 Kd6 34.Ke3 Kc6 35.Kf4 Kb5 36.Rc1 Ka4 37.Rc3 Rf7 38.Re3 Kb5 39.Ke5 Ka4 40.Ke6 Rf8 41.Kd5 Rd8 42.Ke5 Rd3 43.Kf5 Re3 44.fe3 1–0. orangutanb4 (2020) – jacekmpl (1810), kurnik, 2011.

8.Nc3 c6 9.d4 Rc8 10.h3 a6 11.a4 Ne4 12.Ne4 Be4 13.Nd2 Bf5 14.Bf3 Nf6 15.Qb3 e6? (15...d5 16.Rac1=) 16.Rac1 (better is 16.g4 Ng4 17.hg4+–) 16...d5+= 17.cd5 ed5 (17...Nd5? 18.g4+–) 18.b5 ab5 19.ab5 Re8 20.Ba3 Ne4 21.Ne4 Be4 22.Be4 Re4 23.bc6 bc6 24.Qa4 Re6 25.Bc5 Qe8 26.Rc2 Bf8 27.Rfc1 Bc5 28.Rc5 h5 29.Qc2 Kg7 30.Rd5! cd5 31.Qc8 Qa4 32.Qc2 Qa6 33.Qc8 Qe2 34.Qc2 Qa6 35.Qc5 Rd6 36.Kh2 Rd7 37.Qc6 Qa7 38.Rc5 Qb8 39.f4 Qd8 40.Qb5 h4 41.Qb3 Rd6 42.Qa2 Qd7 43.Qf2 Qe7 44.f5 gf5 45.Qf5 Qe3= 46.Qg4 Rg6 47.Qh4?? Qe2 48.Qg4 Rg4 49.hg4 Qe4 50.Ra5 Qd4 51.g3 Qd2 52.Kh3 Qa5 53.Kh4 d4 54.g5–+ d3 55.g6 fg6 56.g4 d2 57.g5 d1Q 58.Kg3 Qd3 59.Kh2 Qa2 60.Kh1 Qdb1 (60...Qd1) 0–1. orangutanb4 (2035) – jacekmpl (1790), kurnik, 2011.

8.Nc3 Ne4 9.Rc1 (9.Nd4 Bd4 10.ed4 Nc3 11.Bc3 Nf6+=) 9...Ndf6 (9...c5 10.a3=) 10.Nd4 (10.Nb5 Ne8 11.Bg7 Ng7+=) 10...Bd7 (10...Nc3 11.Bc3 Bc8 12.Nb3+=) 11.Bf3 (11.Ne4 Ne4 12.Qc2 Nf6+=) 11...Nc3 (11...Ng5 12.Bb7 Rb8 13.Nc6 Bc6 14.Bc6 Rb4 15.Na4+=) 12.Bc3 Rb8 (12...c5 13.Nc2 Qc7 14.d3=) 13.Re1 (13.Nb3 c6+=) 13...e5= 14.Nb3 e4 (14...Qe7!?=) 15.Bf6+/- Qf6 16.Be4 c6 (16...Rfe8 17.Qf3+/-) 17.d4 Rfe8 18.Bf3 h5 (18...Qg5 19.a4+/-) 19.e4 (19.Nd2 Bf5+–) 19...Bh6 (19...Be6 20.Qd3+/-) 20.Rc2 h4 (20...Be6 21.d5 Bd7 22.dc6 bc6 23.c5+/-) 21.e5 de5+/- 22.de5 Re5+= 23.Re5 Qe5 24.Re2 Qc7 25.Re7 Rd8?? 26.Nc5+– Qf4 27.Rd7 Rd7 28.Nd7 Bg7 29.g3 hg3 30.hg3 Qc4 31.a3 Bd4 32.Qe2 Kg7?? 33.Qc4 (33.Qc4 Ba1 34.Qc5 Bb2 35.Qf8 Kh7 36.Qf7 Kh8 37.Nf8 Bg7 38.Qg6 Bf8 39.Be4 Bb4 40.Qh7#) 1–0. rthurc (2340) – mrazo (2230), net–chess.com, 2008. (=1.Nf3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 0-0 5.e3 d6 6.Be2 Bf5)

8.d4 e5 9.de5 Ne5 10.Ne5 de5 11.Be5 Qe7 12.Bc3 Rfd8 13.Qb3 c5 14.b5 b6 15.Nd2 Rd7 16.Rfd1 Rad8 17.Nf3 Ne4 18.Bg7 Kg7 19.Rd7 Rd7 20.Rd1 Rd1 21.Qd1 Qf6 22.Nd2 Nc3 23.Qf1 Ne2 24.Qe2 Qb2 25.e4 Be6 26.Qd3 Qc1 27.Nf1 Bc4 0–1. carocan (1695) – mariosty (1710), kurnik, 2012.

8.Nd4 Bb1 9.Rb1 d5+=.

7.b5 c5

8.0-0 a6 9.Qa4 Nbd7 10.Nc3 ab5 11.Qb5 Ra6 12.Qb3 Qb6 13.Nb5 Rfa8 14.d3 Ra4 15.Bc3 Qc6 16.Nh4 Be6 17.f4 d5=.

8.d3 a6 9.Qa4 Nbd7 10.Nc3 Nb6 11.Qb3 ab5 12.Qb5 Bd7 13.Qb3 Na4 14.Na4 Ba4 15.Qc3 Qd7 16.0-0 Rfb8 17.Rfb1 b5=.

6.Be2 Bg4

7.0-0 b5 8.cb5+/- a6 (8...c6 9.Nc3+/-) 9.d4 (9.ba6 Na6 10.b5 Nb4+/-) 9...Bf3 (9...ab5!? 10.Bb5 c6+/-) 10.Bf3+– (worse is 10.gf3 ab5 11.Bb5 c6+=) 10...d5 11.Nc3 (11.ba6 c6+–) 11...e6 (11...ab5 12.Nb5 c6 13.Nc3+/-) 12.Qb3 (12.ba6 c6+–) 12...Nbd7 (12...ab5 13.Nb5 c6 14.Nc3+/-) 13.ba6+– Nb6 (13...Ra6 14.a4+–) 14.Be2 1–0. Pierro,Sergio (1700) – Santos,Karlo (1615), IECC, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.e3 Bg4 6.Be2 0-0)

7.0-0 e5 8.Nc3 Nc6 9.b5 Nb8 10.h3 Be6 11.Ng5 Bd7 12.Bf3 c6 13.a4 (13.Ba3 Ne8 14.Nge4 Be6=) 13...Re8 (13...Ne8 14.Nge4=) 14.d4 (14.d3 Qc7+=) 14...Bf5 (14...ed4 15.ed4 (worse is 15.Qd4 Nh5 16.Nf7 Kf7 17.Qd6 Be6–/+) 15...d5 16.cd5 cb5 A) worse is 17.Nb5 Bb5 18.ab5 h6+= (18...Nd5? 19.Nf7 Kf7 20.Qb3+–); B) 17.ab5=) 15.a5 (15.de5 Nfd7 16.e6 fe6=) 15...d5 (better is 15...ed4!? 16.ed4 a6=) 16.de5+/- Re5 17.cd5 cd5 18.Ne2 h6?? (better is 18...Re8+=) 19.Nf7+– Kf7 20.Be5 Ne4 (20...Kf8 21.Nf4+–) 21.Bg7 Kg7 22.Qd4 Nf6 23.Rfc1 Kh7 24.Nf4 a6 25.g4 Be4 26.Be4 Ne4 27.Nd5 Ng5 28.Rc7 Nd7 29.Rd7! Qd7 30.Nf6 Kg7 31.Nd7 Kg8 32.Qf6 Ne4 33.Qg6 Kh8 34.Qe4 (34.Qe4 h5 35.Nf6 Kg7 36.Qe7 Kg6 37.gh5 Kh6 38.Qh7 Kg5 39.Qg6 Kh4 40.Qg3#) 1–0. vhilts (2325) – anjintrader (2080), net–chess.com, 2010.

7.0-0 h6 8.Nd4 Be2 9.Ne2 a6 10.Nd4 c5 11.bc5 dc5 12.Nb3 Nc6 13.Nc5 e6 14.Nb7 Qb8 15.Qb3 Ra7 16.Nc5 Qb3 17.ab3 Rb8 18.Ra6 Ra6 19.Na6 Rb3 20.Bf6 Bf6 21.d4 Kg7 22.Nc7 g5 23.Ne8 Kg6 24.Nf6 Kf6 25.Nd2 Rd3 26.Ne4 Kg6 27.h3 f5 28.Nd6 Nd4 29.ed4 Rd4 30.Nb5 Rc4 31.Rb1 h5 32.Rd1 g4 33.Nd4 Kf6 34.hg4 hg4 35.g3 e5 36.Ne2 Kg5 37.Kg2 Rc5 38.Rc1 Rd5 39.Re1 f4 40.gf4 ef4 41.Ng1 Kh4 42.f3 Rd2 43.Re2 Re2 44.Ne2 gf3 45.Kf3 Kg5 46.Nf4 ½–½. axtur777 – ValorReborn, lichess.org, 2019.

7.b5 a6 8.0-0=.

7.b5 Re8 8.0-0 Nbd7 (8...a6 9.d4=) 9.d4 (9.h3 Bf5=) 9...e5 10.Nc3 (10.h3 Bf3 11.Bf3 e4=) 10...Rb8 (10...a6 11.de5 de5 12.e4=) 11.Qc2 (11.h3 ed4 12.ed4 Be6=) 11...c6 (11...ed4 12.Nd4 Be2 13.Qe2=) 12.a4 (12.de5 Bf3 13.ef6 Be2 14.Ne2 Nf6+=) 12...ed4 (12...e4 13.Nd2 Be2 14.Ne2=) 13.ed4 (13.Nd4 Ne5+=) 13...Bf3 (13...d5!?=) 14.Bf3+= Nb6 15.bc6 Nc4 (15...bc6 16.Bc6 Nc4 17.Be8 Rb2 18.Qd3+/-) 16.c7 (16.cb7 Na5+/-) 16...Qc7 17.Nb5 Qd7? (better is 17...Qc8 18.Na7 Qc7+=) 18.Qc4+– d5 (18...a6 19.Nc3+–) 19.Qb3 (19.Qc7 Qc7 20.Nc7 Red8+–) 19...Ne4 (19...a6 20.Nc3+–) 20.Na7 (better is 20.Rfc1!? Nd2 21.Qd5 Red8 22.Qd7 Nf3 23.gf3 Rd7 24.Na7 Rd4+–) 20...Nd2 21.Qd1 (21.Qd5 Qd5 22.Bd5 Nf1 23.Kf1 Red8+–) 21...Nf1 22.Qf1 b6 (22...Ra8 23.Nb5+–) 23.Nb5 Rbc8 24.Rc1 Rc1 25.Qc1 (25.Bc1 Ra8 26.Qd1 Qc6+–) 25...Qc6 (25...Qe6 26.Bc3 Rc8 27.Qd1+–) 26.Kf1 (26.Qc6?? Re1) 26...Qc1 (26...Qd7 27.Qd1+–) 27.Bc1 Rc8 28.Be3 Rc4 29.Bd5 Ra4 30.Ke2 Rb4 (30...Kf8 31.Bc6+–) 31.Bc6 h6 (31...Bf8 32.Kd3+–) 32.d5 Kf8 (32...Bf6 33.Bb6 Be5 34.Be3+–) 33.Bb6 Rb2 (33...Rc4 34.Be3+–) 34.Kd3 Ke7 (34...Rb3 35.Kc4 Rb1+–) 35.Bc5 Kd8 36.d6 Bf8 (36...Rb5 37.Bb5 Bf6+–) 37.Bb6 Kc8 38.d7 Kb8 39.d8Q 1–0. DEFFM – exprimidor, freechess.org, 2018.

7.Nc3 c5 8.bc5 dc5 9.0-0=.

7.Nc3 Ne4 8.d4 Nc3 9.Bc3 c5 10.0-0 cb4 11.Bb4 Nc6 12.Bc3 Rc8 13.h3 Bf5 14.g4 Bd7 15.Rb1 b6 16.Nd2 e6 17.Qb3 Ne7 (better is 17...f5!?+=) 18.Bb4 Bc6 19.Qa3 a5 (19...Re8!?+/-) 20.Bd6+– Re8 21.Bg3 h5 22.Qb3 hg4 23.hg4 b5 (23...e5 24.d5+– (24.Qb6?! ed4 25.Qd8 Rcd8+/-)) 24.cb5 Bd5 25.Nc4 f5 (25...Qd7 26.b6 a4 27.Qb4+–) 26.b6 fg4 (26...e5 27.de5 Qd7 28.Qd1+–) 27.b7 Rb8 28.Bb8 Qb8 29.Bg4 Nf5 30.Bf5 gf5 31.Qb5 Bc4 32.Qc4 Kf7 33.Rfc1 Bf6 34.Qc6 Rg8 35.Kf1 Qh2 36.Qd7 Be7 37.Rb6 Rg1 38.Ke2 Qh5 39.Kd2 Rg6 40.b8Q Qg5 41.Qbe8 Kg7 42.Qg6! Kg6 43.Re6 Bf6 (43...Kh7 44.Re7 Kg6 45.Qe8 Kh6 46.Qh8 Kg6 47.Rg7 Kf6 48.Rc6#) 1–0. geodorna (1925) – popovicigelu, kurnik, 2011.

7.d3 c5 8.bc5 dc5 9.0-0 Nc6 10.Ne5 Ne5 11.Be5 Qd7 12.f3 Bf5 13.e4 Be6 14.Nc3 Rad8 15.Rb1 Ne8 16.Bg7 Ng7 17.Nd5 Bd5 18.cd5 e6 19.Qc1 b6–/+ 20.de6 Ne6 21.f4 Nd4 22.Bf3 Nc6 23.Be2 Nb4 24.Qa3 Qd4 25.Kh1 Qe3 26.Rbe1 Qd2 27.Qa7? Nc2–+ 28.Rb1 Qe2 29.Qb6 Rd3 30.Qc5 Rd2 31.Qg5 Qe4 32.f5 Ne3 33.fg6 hg6 34.a4 Ng2 35.Kg1 Ne3 36.Rb4 Qc6 37.Rg4 Nf1 38.Rg2 0–1. Doctor? 3.0 – Crafty 19.01, 2004.

7.d3 c6 8.0-0 Qc7 9.Nbd2 Nbd7 10.h3 Bf3 11.Bf3 d5 12.cd5 Ng4! 13.Bg4 Bb2 14.Rb1 Bf6 15.dc6 Qc6 16.Rc1 Qb5 17.Qb3 Ne5 18.Be2 Qd7 19.Ne4 Bg7 20.d4 Nc6 21.Bb5 a6 22.Bc6 bc6 23.Nc5 Qd5 24.Qd5 cd5 25.Nd7 Rfd8 26.Nc5 Rdb8 27.Nd3 a5 28.a3 f6 29.Rc5 ab4 30.ab4 Ra3 31.Nf4 Bf8 32.Ne6 Rb3 33.Nf8 Kf8 34.Rd5 R3b4 35.Rc5 Rb2 36.Rfc1 Ra8 37.Rc8 Rc8 38.Rc8 Kf7 39.Rc7 Ke6 40.g3 h6 41.Rc6 Kd5 42.Rc7 e6 43.Rh7 h5 44.Rh6 Ke4 45.Rg6 f5 46.Kg2 e5 47.de5 Ke5 48.Rg5 Ke4 49.Rh5 Kd3 50.Rf5 Ke2 51.h4 1–0. Trkn – Marcus, itsyourturn.com, 2000.

7.h3 Bf3 8.Bf3 c6 9.0-0 Nbd7 10.d4 Re8 11.d5 cd5 12.cd5 Rc8 13.Nd2 (13.Bd4 Ne5=) 13...e6 (13...Ne5!?=) 14.de6+= fe6 15.Qb3 d5 16.Rfc1 Qe7 17.b5 Nb6 18.a4 Ne4? (better is 18...Nbd7!?=) 19.Ne4 Bb2 20.Qb2 de4 21.Be4 Nc4 22.Qd4 Red8 23.Qa7 Nd6 24.Rc8 Rc8 25.Bf3 Qg7 26.Qd4 Qd4 27.ed4 b6 28.Re1 Kf7 29.Bg4 Rc4?? 30.Be6 Kf6 31.Bc4 Nc4 32.Rc1 Nb2 33.Rc6 Kg7 34.Rc7 Kf6 35.Ra7 h6 36.Ra6 Kf5 37.a5 ba5 38.Ra5 Nc4 39.Ra1 Ke4 40.Rd1 Nd6 41.b6 g5 42.f3 Kd5 43.Kf2 h5 44.Ke3 Nc4 45.Kd3 Nb6 46.Re1 Nd7 47.Re7 Nf6 48.Re5 (48.Re5 Kd6 49.Rg5+–) 1–0. gtate (1860) – nbarletta (2195), net–chess.com, 2003.

7.0-0 c6

8.a4 Nbd7 9.d4 Rc8 10.Qb3 Ne4 11.h3 Bf3 12.Bf3 Nef6 13.Nd2 e6 14.Rfe1 d5 15.b5 Re8 16.a5 Nb8 17.b6 ab6 18.ab6 Nbd7 (18...Na6 19.Be2+/-) 19.c5+/- Nb8 (19...Ra8 20.Ra7 Ra7 21.ba7+/-) 20.Ra8 (20.Ra7 Re7+–) 20...Na6 21.Ra7 Qd7 22.Ra1 Nb8 23.Rb7! Qb7 24.Ra7 Qa7 25.ba7 Nbd7 26.Qb7 Red8 (26...Ra8 27.Bd1+– (27.Qc6?! Ra7 28.Nf1 Rb8+=)) 27.Nb3 Ne8 (27...h5+–) 28.Na5 Rc7 (28...Nc5 29.dc5 Bb2 30.Nc6 Rc6 31.Qc6+– (31.Qb2?! Rc5 32.Qb7 Rcc8+=)) 29.a8Q Ra8 30.Qa8 Kf8 31.Nc6 Bf6 (31...Ndf6 32.Na7 Kg8 33.Nb5+–) 32.Bc3 1–0. DEFFM – GuestLZRY, freechess.org, 2017.

7.0-0 Nc6

8.a3 a6 9.h3 Bd7 10.Nc3 e5 11.d4 ed4 12.Nd4 Re8 13.Bf3 Nd4 14.Qd4 Ne4 15.Qd3 Nc3 16.Bc3 Bc3 17.Qc3 Bc6 18.Bc6 bc6 19.Rad1 f5 20.Rd4 Kf7 21.Rfd1 Qf6 22.Qb3 Kg7? (better is 22...a5!?+=) 23.Qa4+– Re4 (23...c5 24.bc5 dc5 25.Rd7 Kg8 26.Rc7 Rad8 27.Rc5 f4 28.Rd8 Qd8+–) 24.Qc6 Rae8?! (24...Ra7+–) 25.Qc7 R8e7 26.Qd6 Rd4 27.Qf6 Kf6 28.Rd4 Ke5 29.Rd5 Ke6 30.Ra5 Rc7 31.Ra6 (31.Ra6 Ke7 32.c5+–) 1–0. orangutanb4 (2050) – lukech (1870), kurnik, 2011.

8.b5 Nb8 9.d4+=.

8.b5 Ne5 9.Ne5+/- Be2 10.Qe2 de5 11.Be5 Qd7 12.Nc3 c6 13.d4 Qe6 14.Rfc1 c5 15.Nd5 Nd5 (15...cd4 16.Nf6 Bf6 17.ed4+/-) 16.Bg7 (16.cd5 Qd5 17.Rc5 Qd8+–) 16...Kg7 17.cd5 Qd5 18.Rc5 Qd6 19.Rac1 a6 20.a4 ab5 21.Qb5 Rfb8 22.a5 (22.Rc7!? b6 23.R1c6 Qa3 24.Qe5 Kg8+–) 22...b6+/- 23.Rc6 Qa3?? 24.ab6+– Ra5 25.Qe2 Rg5? 26.R6c3 Qb4 27.f4 Rb5 28.Rc4 Qb3 29.R1c3 Qb1+/- 30.Kf2 R8b6 31.Kg3 Qf5 32.e4 Qf6 33.Rc5?? Rb2?? 34.Rc2?? Qd4?? 35.R5c4?? Rc2 36.f5?? Re2 37.f6 Kf6 38.Rd4 (38.Rd4 Rb3 39.Rd3 Rd3 40.Kh4 Re4 41.g4 g5 42.Kh5 Rh3#; 38.e5 Qe5 39.Rf4 Ke6 40.h3 Rb3 41.Kh2 Qf4 42.Kg1 Rb1#). alfons78 – achiilles (1630), kurnik, 2012.

8.b5 Bf3 9.Bf3+/- Na5 10.Qa4+– c6 11.Bc3 (11.bc6 bc6 12.Bc3 Nb7+/-) 11...b6 12.bc6 (12.Ba5 ba5 13.Bc6 Rb8+–) 12...Rc8 13.Ba5 ba5 14.Nc3 e5 (14...e6 15.d4+–) 15.Rab1 Re8 (15...a6 16.Rb7+–) 16.d3 Qc7 (16...Re7 17.Rb7+–) 17.Rb7 Qd8 18.Rd7! Qb6 (18...Nd7 19.cd7 Double attack (19.cd7 Passed pawn)) 19.Rb1 (19.Rb1 Qa6 20.Rd6+–) 1–0. pcmvr (2225) – jbedenbaugh (2050), net–chess.com, 2006.

7.0-0 Nbd7

8.a4 e5 9.d3 c6 10.b5 Rb8 11.Nbd2 Re8 12.h3 Be6 13.Qc2 d5 (better 13...Nc5!?=) 14.Ne5+– Ne5 15.Be5 Nd7 (15...Rc8 16.c5+–) 16.Bg7 (16.Bb8 Ba1 17.Ba7 Bg7+–) 16...Kg7 17.cd5 (17.c5 Qf6+–) 17...cd5 (17...Bd5 18.Rfe1+–) 18.Qb2 Qf6 19.Qf6 Nf6 20.d4 Ne4 21.Ne4 de4 The passed pawn on d4 will become decisive later 22.Rfc1 Rec8 23.Rc5 (23.f3 Bd5+–) 23...b6 (23...Rc5 24.dc5 Rd8 25.Rc1+–) 24.Rc6 (24.Re5 Rc2 25.Bd1 Rc7 26.Re4 Rbc8+–) 24...Bd7 25.Rc8 Rc8 26.a5 Rc2 27.Kf1 (27.Bf1!? Be6 28.f3 ef3 29.gf3+–) 27...Rb2+= 28.ab6 ab6 29.g4 Bb5 30.Bb5 Rb5 31.Kg2 (31.f3 ef3 32.Kf2 Kf6+=) 31...Rb2 (31...Ra5 32.Rc1+=) 32.Rd1 (32.Ra7 b5+=) 32...b5 33.d5 Kf8 34.Rd4 (34.Kg3 Ke7=) 34...f5 35.gf5 gf5 36.d6 The mate threat is d7 36...Ke8 37.d7 Kd8 38.Rd5 b4 39.Rf5 b3 40.Rf8 Kd7 41.Rf7 (41.Rf4 Rd2 42.Re4 b2=) 41...Ke6 (41...Kc6!? 42.Rf6 Kc5–/+) 42.Rh7=+ Rd2 43.Rb7 b2 44.h4 Kf6 (44...Kd5!?=) 45.Kg3 Kg6 46.Rb5 Kh6 47.f3 (47.Kf4 Rf2 48.Ke4 Rd2+–) 47...ef3 48.Kf3 The passed pawn on e3 will quickly become a dangerous weapon 48...Kg6 49.e4 Rd3 50.Kf4 Rd2 51.h5 Kh6 52.Kg4 Rg2 53.Kf3 Rc2 54.Ke3 Rh2 Attacks the isolani on h5 55.Kf4 (better 55.Kd3!? Kg7 56.Rb6+–) 55...Rf2 56.Kg3 Re2 57.Kf3 Rd2 58.e5 Kh5 59.e6 Kg6 60.e7 Threatening mate: e8Q 60...Kf7 61.Rb7 Ke8 62.Ke3 Rh2 63.Kd3 Rh3 ½–½. retiponziani (1915) – nickbarletta (1615), ChessWorld.net, 2016.

8.d3 c6 9.Nbd2 e5 10.Rc1 Qe7 11.a3 a5 12.b5 c5 13.a4 b6 14.d4 e4 15.Ne1 Be2 16.Qe2 Rad8 17.f3 ef3 18.Nef3 Rfe8 19.Rce1 Ng4 Attacks the backward pawn on e3 20.e4 cd4 21.Bd4 (21.Nd4 Nge5=) 21...Nge5 (better is 21...Nh2!? 22.Kh2 Bd4 23.Nd4 Qe5 24.Kh1 Qd4–/+) 22.Ne5= Be5 23.Be5 Qe5 24.Qf3 Re7 25.Qf4 Qd4 26.Kh1 Ne5 Exerts pressure on the backward pawn 27.Qf6 Rdd7 28.Qf2? Qc3?? 29.Qe3 Qb4 30.Ra1 Nc4 31.Nc4+= Qc4 32.Qb6 Re4 33.Qa5 Rde7 34.b6 Qd4?? 35.b7!+– Rb7 36.Qd8 Kg7+=. bungo – fagus54, kurnik, 2012.

8.d3 c6 9.Nbd2 e5 10.Rc1 Qe7 11.a3 a5 12.b5 c5 13.d4 ed4 (13...e4 14.Ne1 Be2 15.Qe2=) 14.ed4+= Rad8 (14...Rae8 15.Re1+=) 15.d5 (15.Re1 d5+/-) 15...Rfe8 16.Re1 Qf8 17.h3 Bf3 18.Bf3 (worse is 18.gf3 Nh5 19.Bg7 Qg7+=) 18...b6 19.Qc2 h5 20.Ne4 Ne4 21.Bg7 Qg7 22.Be4 Re7 23.Re3 (23.Re2 Rde8+=) 23...Rde8 24.Rce1 f5 25.Bd3 Re3 26.Re3 (26.fe3!? Qe5 27.Qd2=) 26...Re3–/+ 27.fe3 Qa1 28.Kh2 Qa3 29.g4? (better is 29.Bf5 gf5 30.Qf5–/+) 29...hg4 30.hg4 fg4 (30...Ne5 31.Bf5 gf5 32.Qf5 Qa2 33.Kg3 Qc4 34.Qc8 Kg7 35.Qc7 Nf7 36.Qb6–+) 31.Bg6? Qe3 32.Qe4 Qe4 33.Be4 Ne5 34.Kg3 Nc4 35.Kg4 a4 36.Kf5 a3 37.Bb1 Kf7 38.Ba2 Ne3 39.Ke4 Nd1 40.Kf5 Nc3 41.Bb3 a2 42.Ba2 Na2 (42...Na2 43.Kf4 Nc3–+) 0–1. bungo – fagus54, kurnik, 2012.

8.d4 c6 9.Nc3 e5 10.de5 Bf3 11.ef6 Be2 12.Qe2 Bf6 13.Rfd1 Qc7 14.Ne4 Be7 15.Qd3 Nb6 16.Qd4 f6 17.c5 dc5 18.bc5 Nd5 19.Ng5 Qe5 20.e4 Qg5 21.ed5 Qd5 22.Qd5 cd5 23.Rd5 Rfd8 24.Rad1 Rd5 25.Rd5 Rd8 26.Rd8 Bd8 27.f4 Kf7 28.Kf2 Ke6 29.Ke3 Kd5 30.Bd4 a6 31.g4 f5 32.h3 Be7 33.Kd3 Bc5 34.Bc3 b5 35.Bd2 b4 36.Be1 Bd6 37.Bd2 a5 38.Be3 Bc5 39.Bd2 Bg1 40.Be1 Kc5 41.Bd2 Kb5 42.Bc1 a4 43.gf5 gf5 44.Bb2 Kc5 45.h4 h5 46.Bf6 Kd5 47.Be7 b3 48.ab3 ab3 49.Kc3 Ke4 50.Kb3 Kf4 51.Kc3 Kf3 52.Kd3 Bh2 53.Bg5 f4 54.Bh6 Kg4 55.Bg5 f3 56.Be3 Bg3 57.Bg5 Bh4 58.Bd2 Bg3 0–1. Ziethen – Scherf, Magdeburg 1986.

8.d4 c6 9.Nc3 Re8 10.h4 e5= 11.de5 de5 (worse 11...Ne5 12.Ne5 Be2 13.Nc6 (13.Ne2?! de5 14.Qd8 Rad8=+) 13...bc6 14.Qe2+=) 12.Qc2 Bf5 (12...Qe7 13.c5=+) 13.Qd1 (13.e4 Bg4=) 13...Bg4 14.Qc2 Bf5 (14...Qe7 15.c5=+) 15.Qb3 White prepares b5 (15.e4 Bg4=) 15...a5=+ 16.a3 ab4 17.ab4 Qc7 18.b5 (18.Nd2 e4=) 18...c5 19.Na4 (19.Nd2 e4=) 19...b6 20.Ng5 (20.Nc3 e4 21.Nh2 Ne5=+) 20...h6 21.Nf3 e4 22.Nd2 Ne5 23.Be5 (23.Rfd1 Bg4 24.Bg4 Neg4=) 23...Qe5-/+ 24.Nb6?? (better 24.Nc3-/+) 24...Ra1-+ 25.Ra1 Qa1 26.Kh2 (26.Nf1 Rd8 27.Nd5 Be6 28.Nf6 Bf6-+) 26...Bg4 (better 26...Qa5 27.Nf1 Qb6-+) 27.Bg4 (27.f3-+) 27...Ng4 28.Kg3 h5 (28...Qg1 29.Ne4 Re4 30.Qd3 Be5 31.f4 Qe3 32.Qe3 Re3 33.Kg4 f5) 29.Ne4 Re4 30.f4 Qe1 31.Kh3 Re3 (31...Bf6 32.Nd5 Qh4) 32.Qe3 Qe3 33.g3 Qf2 34.Nd7 (34.Nd5 Qf1) 34…Qh2 (34...Qf1) 0-1. peoncuatrorey (1965) - chessgold (2000), Rated Bullet tournament, lichess.org, 2015. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6 6.Be2 Bg4)

8.Nd4 Be2 9.Qe2 c5 10.bc5 dc5 11.Nb5 (11.Nf3 Re8=) 11...b6 (11...a6 12.N5a3=) 12.Bf6 (12.d4 cd4 13.ed4 Re8=) 12...Nf6 13.N1c3 a6 14.Na3 e6 15.Rac1 Qc7 16.Qf3 (16.d4 cd4 17.ed4 Rac8=+) 16...h5 17.Ne4 (better 17.Rfd1!?=+) 17...Ng4–+ Do you see the mate threat? 18.Ng3 f5 (18...Bb2!? 19.Nb1 Bc1 20.Rc1–+) 19.h3–/+ Nf6 (19...Ne5 20.Qd1–/+) 20.e4 (20.d4 e5 21.de5 Qe5=) 20...Ne4 (better 20...h4!? 21.Ne2 Ne4–/+) 21.Ne4= fe4 22.Qe4 Rad8 (22...Kh7 23.Rce1=+ (23.Qe6? Rae8 24.Qd5 Bd4–+)) 23.Qe6 (23.Qg6 Qf7 24.Qc2=) 23...Kh8 (better 23...Kh7 24.Rb1 Rd6=+) 24.Qg6+– Rd6 (better 24...Bb2!? 25.Rb1 Ba3 26.Rb6 Rd7+– (26...Rd2 27.Qh6 Kg8 28.Rg6 Kf7 29.Qg7 Ke8 30.Re6 Kd8 31.Qf8 Kd7 32.Qe8)) 25.Qh5+– Rh6 26.Qg4 (26.Qg5 Qc6 27.Nc2 Rg8+–) 26...Rff6? (better 26...Bb2 27.Nc2 Bc1 28.Rc1 Qd6+=) 27.Rce1+– Rfg6 28.Re8 Kh7 29.Qe4 (29.Qf5 Qc6 30.Re4 Qf6 31.Qf6 Rf6+–) 29...Qf7 (29...Qd7 30.Kh2+–) 30.Re7 (30.Kh2 Qd7+–) 30...Qf6 31.Re1 (better 31.Nc2 Rh3 32.Ne3 Rh5+–) 31...Kg8? (better 31...Rh3 32.Nc2 Rh4+–) 32.Qa8 (better 32.Nc2+–) 32...Bf8 (32...Kh7 33.R7e3+– (33.Qa6 Qf3 34.Kf1 Qd3 35.R7e2 Rh3 36.f3 Rh1 37.Kf2 Bd4 38.Re3 Qd2 39.R1e2 Be3)) 33.Re8 (better 33.Qd5 Kh8 34.Rf7 Qd6+–) 33...Rg2 (33...Kg7+–) 34.Kg2 Rg6 (34...Qg6 35.Kh2 Qd6 36.R1e5+–) 35.Kf1 Kg7 36.Qb7 Kh6 (36...Kg8 37.Qd5 Kg7 38.R1e6+–) 37.Qe4 (better 37.R1e6 Qf5 38.Rb6 Bg7+–) 37...Qg5 (37...Kg7 38.Re6 Qe6 39.Qe6 Re6 40.Re6+–) 38.Qe3 (38.Rf8 Kg7 39.Re8 Qf6 40.Qb7 Kh6+–) 38...Be7 (38...Bg7 39.Re6 Rf6 40.Rb1 Qe3 41.Rf6 Bf6 42.de3+–) 39.Rh8 (better 39.Qe7 Qe7 40.R1e7 a5+–) 39...Kg7 40.Qg5 (40.Qg5 Bg5 41.Ra8+–; 40.Rb8 Qg2 41.Ke2 Bd6 42.Rb6 Rg3 43.Rb7 Qb7 44.fg3 Be7+–) 1–0. sirgeshdb (1680) – AXDR02 (1920), lichess.org, 2020.

8.h3 Bf5 9.d4 Ne4 (9...a5 10.b5=) 10.Nc3 (10.Bd3 Nef6+=) 10...Nc3= 11.Bc3 e5 12.d5 e4 (12...a5 13.a3=) 13.Nd4+= Ne5 (13...Qg5 A) worse is 14.Nf5 Bc3 (14...Qf5?? 15.Bg7 Kg7 16.Bg4+–) 15.Rc1 Bb4–/+ (15...Qf5?! 16.Rc3 Qf6 17.Rb3+=); B) 14.g4 h5 15.Kh1 (worse is 15.Nf5 Bc3 16.Rc1 Bb4–/+) 15...hg4 16.hg4 (worse is 16.Bg4 Bg4 17.Qg4 Qg4 18.hg4 Ne5+=) 16...Qh4 17.Kg2=) 14.Nf5+/- gf5 15.Qb3 Qg5 16.Qb2 Rae8 17.Kh1 Kh8 18.a4 Rg8 19.c5 (19.Qc2 f4 20.ef4 Qf4+=) 19...Bf6 (better is 19...dc5!? 20.bc5 Nd3+=) 20.Rg1 f4 21.ef4 Qf4 22.cd6 cd6 23.Bb5 Rc8+= 24.Bd4 a6 25.Bf1 Rg6 26.Re1 Rcg8 27.g3 Qh6 28.Re4+/- Nf3 29.Bf6 Rf6 30.Bg2 Ne5? 31.Rh4 Qg6?? 32.Qb1 Rf2 33.Qg6 fg6 34.b5 ab5+= 35.ab5 1–0. orangutanb4 (1995) – adam1616, kurnik, 2012.

8.h3 Bf3

9.gf3 c5+=.

9.Bf3 Rb8 10.a4 c5 11.b5 b6 12.d4 cd4 13.ed4 Qc7 14.Nd2 e5 15.de5 Ne5 16.Be5 de5 17.Rc1 Rfd8 18.Qc2 Rd4 The backward pawn on c4 becomes a target 19.Nb3 White prepares c5 19...Rf4 20.Bc6 e4 21.c5 Rd8 22.Rcd1 Nh5 23.cb6 ab6 24.Rd8 Qd8 25.Qd1 Qe7 26.Re1 Qf6 27.Qc2 Qe5 28.Re4 Re4 29.Qe4 Qb2 30.Qe8 Bf8 31.Bd5 Qf6 32.Nd4 Nf4 33.Bb3 Kg7 34.Nf3 Bc5 35.Qe4 h5 36.Kh2 Bf2 37.g3 Ne6 38.Be6 fe6 39.h4 Bc5 40.Qe5 Qe5 41.Ne5 Kf6?? 42.Nd7 Ke7 43.Nc5 bc5 44.Kg2 Kd7 45.Kf3 e5 46.Ke4 (46.Ke4 c4 47.a5+–) 1–0. carocan (1740) – okular59 (1650), kurnik, 2011.

9.Bf3 c6 10.b5 cb5 11.cb5 (worse is 11.Bb7 Rb8 (worse is 11...bc4 12.Ba8 Qa8 13.Na3+=) 12.Bf3 bc4–/+) 11...Rb8 12.a4 b6 (12...e6 13.d4+=) 13.Nc3 Nc5 14.d4 Ne6 15.Bc6 Nc7 16.Qb3 Nd7 17.a5 (17.Rfc1 e5+/-) 17...e6 (17...a6!? 18.ab6 Rb6+/-) 18.ab6+– ab6 19.Ra7 e5? (19...Nf6 20.Rfa1+–) 20.Ne4 (better is 20.Nd5 Rc8 21.Rc1+–) 20...ed4 21.ed4 (21.Nd6?! Nc5 22.Qa3 Qd6 23.ed4 Bd4 24.Bd4 Nb5 25.Bb5 Qd4+=) 21...Ne8?? (better is 21...Nf6 22.Nf6 Bf6+–) 22.Rd7 Qh4 23.Qg3 Qe4 (23...Qg3 24.Ng3 f5+–) 24.Be4 1–0. alfons78 – bulim, kurnik, 2011.

8.Bf3 Nc6 9.b5 Ne5 10.Bb7 Rb8 11.Bf3 c6 12.a4 cb5 13.ab5 Nc4 14.Bc3 Rb5 15.Ra7 Ne5 16.0-0 Nf3 17.Qf3 Qb6 18.Ra8 Ra8 19.Qa8 Bf8 20.Bf6 ef6 21.Nc3 Rc5 22.Qa1 Bg7 23.Ne4 f5 24.Nf6 Bf6 25.Qf6 Rc2 26.d4 Qc7 27.d5 Qc5 28.Qd4 Qa5 29.e4 Rd2 30.Qe3 fe4 31.Qe4 Rd5 32.Re1 Re5 33.Qb1 Re1 34.Qe1 Qe1 35.Kh2 f5 36.g3 d5 37.Kg2 d4 38.g4 d3 39.gf5 Qe2 40.fg6 hg6 41.h4 d2 42.Kg3 d1Q 43.Kf4 Qf3 44.Kg5 Qd6 45.h5 Qf5 46.Kh4 Qd4 47.f4 Qdf4 0–1. axtur777 – pwn0, lichess.org, 2019.

9.Bf3 e5 10.Nc3 c6 11.b5 d5. pumpkin (2255) – nickbarletta (2000), net–chess.com, 2003.

6.h3 c5

7.bc5 dc5 8.d4 =+.

7.b5 a6

8.a4 ab5 9.ab5 Ra1 10.Ba1 b6 11.Nc3 Nbd7 12.Nd5 e6 13.Nf6 Nf6 14.Be2 Ne4 15.Bg7 Kg7 16.Qa1 f6 17.d3 Ng5 18.0-0 h6 19.Ng5 hg5 20.f4 gf4 21.Rf4 e5 22.Rf2 Rh8 23.Bf3 Bh3 24.gh3 Rh3 25.Bg2 Rg3 26.Kh2 Re3 27.Qf1 Qh8 28.Kg1 f5 29.Bd5 Qh3 30.Rg2 Rd3 31.Bc6 Rg3 32.Rg3 Qg3 33.Qg2 Qe1 34.Qf1 Qe3 35.Kh1 f4 36.Bd5 Kf6 37.Qg2 Qe1 38.Kh2 Qg3 39.Qg3 fg3 40.Kg3 Kf5 41.Kf3 g5 42.Bc6 g4 43.Kg2 Kf4 44.Bd5 e4 45.Kf2 e3 46.Ke2 g3 47.Bf3 g2 48.Bg2 Kg3 49.Bf3 Kf4 50.Bd5 Ke5 51.Ke3 Kf5 52.Kf3 Ke5 53.Kg4 Kf6 54.Kf4 Ke7 55.Kf5 Kd7 56.Kf6 Ke8 57.Ke6 Kd8 58.Kd6 Kc8 59.Kc6 Kd8 60.Kb6 Kd7 61.Kc5 Kc7 62.b6 Kb8 63.b7 Kc7 64.Be4 Kb8 65.Kb5 Kc7 66.c5 Kb8 67.c6 Kc7 68.Bg2 Kb8 69.Ka6 Kc7 70.Ka7 Kd6 71.b8Q Kc5 72.c7 Kd4 73.c8Q Ke3 ½–½. riditko – chessshark920, kurnik, 2012.

8.a4 ab5 9.ab5 Ra1 10.Ba1 b6 11.Nc3 Nbd7 12.Be2 Ne8 13.0-0 Ne5 14.Ne5 Be5 15.Na4 Ba1 16.Qa1 Nf6 17.Nc3 Be6 18.Bf3 Bc4 19.Rb1 Qc7 20.Bc6 e6 21.Rd1 Bd5 22.Nd5 Nd5 23.e4 Nb4 24.Qc3 Nc6 25.bc6 Qc6 26.Ra1 Ra8 27.Ra8 Qa8 28.Kh2 b5 29.f3 b4 30.Qb3 Qa3 31.Qc4 b3 32.Qb5 b2 33.Qe8 Kg7 34.Qb5 Qa1 35.Qb2 Qb2 36.d3 Qd2 37.Kg3 Qd3 0–1. riditko – eirstol, kurnik, 2012.

8.a4 ab5 9.ab5 Ra1 10.Ba1 b6 11.Be2 Bb7 12.0-0 Nbd7 13.Nc3 e5 14.d3 Re8 15.Nh2 (15.e4 Qe7=) 15...Qa8 (15...d5 16.Bf3 e4 17.de4 de4 18.Be2=) 16.Bf3 d5 17.cd5 Nd5 18.Bd5 Bd5 19.Nd5 Qd5 20.e4 Qb7 21.Qb3 Rd8 22.Ng4 h5 (22...Qc7 23.g3=) 23.Ne3+= Qc7 24.Nd5 Qd6 25.f4 ef4 26.Bg7 Kg7 27.Rf4 Ra8 28.Qb2 Qe5= 29.Qe5 Ne5 30.Nb6 Rd8 31.Nc4 Nd3 32.Rf3 Rd4 33.Nd2? Ne5–/+ 34.Rf2 Rb4 35.Nf3 Nf3 36.Rf3 Rb5 37.Rc3 Kf6 38.Kf2 Ke5 39.Ke3 h4 40.Rc4 f6 41.Kf3 g5 42.g4 Rb3 43.Kg2 Kd6 44.Ra4 Rc3 45.Ra6 Ke5 46.Ra4 c4 47.Ra5 Ke4 48.Rf5 Rc2 49.Kg1 c3 50.Rf6 Rb2 51.Re6 Kd3 52.Rd6 Kc2 53.Re6 Kd1 54.Kf1 c2 55.Re1 Kd2 56.Re2 Kd3 57.Re1 Rb1 (57...Rb1 58.Kg1 Re1 59.Kf2 c1Q 60.Kg2 Qd2 61.Kf3 Qe2) 0–1. Jatkowski,Steve A – Retief,Ernst, ICCF FM/0038, 2005.

7.b5 b6

8.a4 a5 9.Be2 Bb7 10.Nc3 Nbd7 11.0-0 e5 12.d3 Re8 13.e4 Nh5 14.Nh2 Nf4 15.Bg4 h5 16.Bf3 Ne6 17.Nd5 Nd4 18.Bd4 ed4 19.g4 Bd5 20.cd5 hg4 21.Bg4 Ne5 22.f4 Ng4 23.Qg4 Qc8 24.f5 gf5 25.Rf5 Re5 26.Raf1 Qd7 27.Rf7 Qg4 28.Ng4 Rg5 29.Kh2 Rf8 30.Rf8 Bf8 31.Nf6 Kg7 32.Nd7 Be7 33.Nb6 Kg6 34.Nc4 Bf6 35.b6 Be5 36.Kh1 Rh5 37.Rf3 Rh7 38.Na5 c4 39.b7 Rh8 40.dc4 1–0. riditko – misi24, kurnik, 2012.

8.a4 Bb7 9.Nc3 Nbd7 10.d4 cd4 11.Nd4 e5 12.Nc6 Bc6 13.bc6 Nc5 14.Bd3 Qc7 15.Nd5 Nd5 16.cd5 Nd3 17.Qd3 f5 18.0-0 e4 19.Qb3 Bb2 20.Qb2 Kf7 21.Rac1 Rfe8 22.Rc2 Re5 23.Rd1 g5 24.g3 h5 25.a5 Rb8 26.Qa3 ba5 27.Rb2 Rb2 28.Qb2 Ke7 29.Rd4 Qb6 30.Qa3 Qc5 31.Qa2 Kd8 32.Kg2 Kc7 33.f4 Re8 34.fg5 Rg8 35.h4 Rb8 36.Kh3 Rb4 37.Qe2 Rd4 38.ed4 Qd4 39.Qh5 Qd5 40.g6 Kc6 41.g7 e3 42.Qe8 1–0. riditko – misi24, kurnik, 2012.

6.h3 Nbd7

7.Nc3 c6 8.Bd3 a5 9.b5= Nc5 10.Bc2 e5 11.d4 ed4 12.Nd4 Re8 13.0-0 Nfe4 14.Ne4+/- Ne4 15.bc6 Qc7 16.Nb5 Qc6 17.Bg7 Kg7 18.Qd4 Nf6 19.f3 Be6 20.Bd3 Qc5?? 21.Qc5?? dc5+= 22.Nc7 Rec8? 23.Na8+– Ra8 24.Rab1 Rb8 25.Rb6 Nd7 26.Rd6 Ne5 27.Rd1 Nc4 28.Bc4 Bc4+= 29.Rc1 b5 30.Rc6 Ba2=+ 31.R1c5 Bc4 32.Rc4 bc4=+ 33.Rc4 Ra8 34.Ra4= f6 35.Kf2 Kf7 36.g4 Ke6 37.h4 Kd5 38.f4 Kc5 39.Ke2 Kb5=+ 40.Rd4 a4 41.Rd7 a3–/+ (42.Rb7 Ka4–/+) 0–1. SilentPlayer – gyt, Live Game Caissa's Web, 2005.

7.Nc3 e5 8.d4=.

7.d4 a5=.

7.d4 c5 8.dc5 dc5 9.b5 Ne4 (9...Nb6 10.Nc3+=) 10.Bg7= Kg7 11.Be2 Qa5 12.Nfd2 Ndf6 13.0-0 Rd8 14.Nb3 Rd1 15.Na5 Rf1 16.Kf1 a6 17.a4 ab5 18.ab5 b6 19.Nb3 Ra1 20.Na1 Be6 21.Nb3 Ne8 22.N3d2 Nd2 23.Nd2 Nd6 24.Bd3 g5 25.f3 h5 26.g4 h4 27.f4 f5 28.gf5 (worse is 28.fg5 fg4 29.hg4 Bg4–/+) 28...Nf5 29.Kf2 gf4 30.ef4 Nd6 31.Bf1 Kf6 32.Kf3 Bf5 33.Ke3 Bc2 34.Nf3 Nf5 35.Kd2 Be4 36.Ne5 Ke6 37.Be2 Nd4 38.Bg4 Bf5 (38...Kd6 39.Ke3 Bc2 40.Nf7 Kc7 41.Kd2=) 39.Bf5+= Kf5 40.Ke3 (40.Nd7 Kf4 41.Nb6 Nb3 42.Kd3 e5+=) 40...Nc2= 41.Kf3 Nd4 42.Kf2 Kf4 43.Nd7 e5 44.Nb6 e4 45.Nd5 Ke5 46.b6 Nc6 47.b7 Kd4 48.Ne7 Nb8 49.Nf5 Kc4 50.Nh4 (50.Ke3 Kd5+=) 50...Kd3+= 51.Nf5 c4 52.h4 c3 1–0. Campos Calvo (2035) – Perez Cameselle (1975), Madrid–ch Seniors, 2008.

7.Be2 Nb6 8.d3 Bd7 9.0-0 Ba4 10.Qd2 Bd7 11.a4 (11.Nc3 c5 12.bc5 dc5+=) 11...Nc8 (better is 11...Na4!? 12.Bf6 Bf6+=) 12.e4 a6 13.Nc3 e5 14.b5 ab5 15.ab5 Nb6 16.g4 Ra1 17.Ra1 Be6 18.Ng5 Qe7 19.Ra7 Bc8 20.h4 (better is 20.Nf3=) 20...h6 21.Nh3 (21.Nf3 Ng4 22.Kf1 Kh7–/+) 21...Nh7 22.f3 Qh4 23.Kg2 Ng5 24.Ng5= hg5 25.Qd1 f5–/+ 26.Qh1? fg4–+ 27.Qh4 gh4 28.fg4–/+ Nd7 29.Nd5= g5 30.Ra8 Nb6 31.Rb8?? Nd5–+ 32.cd5 b6 33.Bc1 Bd7 34.Rf8= Kf8 35.Bg5 Bb5 36.Bh4 Kf7? 37.Bd8+/- c5 38.dc6 Bc6 39.Bb6 Ke6. cogit – viciadinhu, kurnik, 2011.

7.Be2 e5 8.0-0 b6 9.a4 Bb7 10.Nc3 Ne8 11.b5 f5 12.d3 Nef6 13.Rb1 h6 14.Nh2 g5 15.Bf3 h5 16.Bb7 Rb8 17.Bc6 g4 18.hg4 hg4 19.Nd5 Nc5 20.Nf6 Bf6 21.d4 Na4 22.de5 de5 23.Qa4 1–0. riditko – ricardo2005, kurnik, 2012.

6.h3 e5

7.a4 Be6 8.d3 Qd7 9.Nbd2 c6 10.Be2 a6 11.0-0 Bh3 (better 11...a5 12.b5 Qc7+=) 12.Nh4?? (better 12.gh3 Qh3 13.a5+/-) 12...Be6=+ 13.d4 ed4 14.ed4 Bg4 15.d5 Be2 16.Qe2 Re8 17.Qf3 Qg4 18.Qg4 Ng4 19.Bg7 Kg7 20.Rae1 Nd7 21.Re8 (21.Ne4!? cd5 22.cd5=+) 21...Re8-/+ 22.dc6 bc6 23.c5? (23.Rd1 Re2 24.Nf1 Rf2 (24...Nf2?! 25.Rd6 Nf6 26.Nf3=) 25.Rd6 Nde5-/+) 23...d5 (better 23...dc5!? 24.bc5 Nge5-+) 24.Nhf3-/+ Re2 25.Re1 Rf2 26.Re7 Ndf6 27.Rc7 Re2?? (27...Nh5 28.Ne5 Rd2 29.Ng4-+) 28.Rc6? (28.Kf1 Re6 29.Ng5=+) 28...Re3?? (better 28...Nh5 29.Nf1 Nf4-+) 29.Ra6= Ra3 30.b5 (30.Ne1!?=) 30...Ne4 (30...Ra1 31.Nf1 Ne3 32.N3h2-/+) 31.g3 (better 31.c6!?=+) 31...Nc5 32.Rd6 Na4 (better 32...Ne4 33.Ne4 de4-+) 33.Rd5?? (33.Ra6 Ra1 34.Kg2 Ne3 35.Kf2 Nd1 36.Kg2-+) 33...Ra1-+ 34.Kg2 (34.Ne1 Re1 35.Kg2 Re2 36.Kg1 Nc3-+) 34...Ne3 35.Kf2 Nd5 36.Nd4 Ndb6 (36...Nac3 37.N2b3 Rb1 38.Nd2-+) 37.N2b3 Ra2 38.Kf3 Ra3 39.Ke4 f5 40.Ke5 h5 41.Kd6 Kf6 42.Nc5 (42.Kc7 Nd5 43.Kd6 Nb4-+) 42...Rg3 43.Na4 Na4 44.Kc6 (44.Ne2 Rd3 45.Kc7 Nc3-+) 44...Rg4 (44...Ke5 45.b6 Kd4 46.b7-+) 45.Nb3 (45.Nf3 Rc4 46.Kb7 Nc3-+) 45...h4 46.b6 Nb6! 47.Kb6 Rb4 (47...Rb4 48.Kc7 Rb3 49.Kd6 Rd3 50.Kc5 h3 51.Kc4 Rd1 52.Kc5 h2 53.Kc6 h1Q 54.Kc5 Rc1 55.Kb6 Qc6 56.Ka5 Qb7 57.Ka4 Ra1) 0-1. anais – djidja, Rated Blitz game, lichess.org, 2013.

7.Nc3 Be6 8.d4 ed4 9.Nd4 (worse is 9.ed4 Re8–/+; worse is 9.Qd4 Nc6 10.Qd1 Nb4–/+) 9...Nbd7 10.Ne6 fe6 11.Qc2 a6 (11...a5 12.a3=) 12.Bd3 (12.Be2 c5 13.a3 Qb6=) 12...Ne5 13.Rd1 a5 14.b5 b6 (14...Nd3 15.Qd3 Nd7 16.Na4+=) 15.0-0 (15.Be2 Qe7+=) 15...Qe7 (15...Nd3 16.Qd3 Nd7 17.Na4=) 16.a4 (16.Be2 Rad8+=) 16...Nfd7 (16...Nd3 17.Rd3 Rac8 18.Rfd1=) 17.Be4 (17.Be2 Nc5=) 17...Rac8 18.Ba3 Nc4 (18...Nf6!? 19.Qe2 Ne4 20.Ne4 Rcd8=) 19.Nd5+= (19.Nd5 ed5 20.Bd5 Kh8 21.Qc4+=). wlittle (1880) – crayormoru (1685), net–chess.com, 2001.

7.Be2 Nbd7 8.0-0 Re8 9.Qb3 (9.d4 c5=) 9...e4 10.Ne1 (10.Nd4 a5=) 10...Ne5 (10...a5 11.f3=) 11.d3 ed3 (11...d5 12.Be5 dc4 13.Qc4 Re5 14.d4=) 12.Nd3 Ne4 (12...Qe7 13.Ne5 de5 14.Rd1=) 13.Ne5 Be5 (13...de5 14.Bd3 Qh4 15.Be4 Qe4 16.Nc3=) 14.Bd3 (14.Be5 Re5 15.Bd3 Bf5=) 14...f5 (14...Bb2 15.Qb2 Qg5 16.Kh2=) 15.Qc2 (15.Be5 Re5 16.a3 a5=) 15...Nf6 (15...a5 16.Be5 Re5 17.b5=) 16.Nd2 (16.Be5 de5 17.Rd1 Qe7=) 16...Qe7 (16...Bb2 17.Qb2 Qe7 18.Rfd1+=) 17.Nf3 (17.Be5 de5 18.c5 e4+=) 17...Bb2 18.Qb2 Bd7 (18...b6 19.Rad1=) 19.Rfe1 (19.c5 dc5 20.bc5 Bc6=) 19...Rad8 (19...Bc6 20.Nd4=) 20.Rac1 (20.a4 Bc6=) 20...Bc8 (20...Ne4 21.a3=) 21.a4 (21.Rcd1 Ne4+=) 21...b6= 22.Nd4 Bb7 23.c5 dc5 24.bc5 (24.Bc4 Kh8 25.bc5 Qe4+= (25...Qc5? 26.Ba6 Ba6 27.Rc5 bc5 28.Nf5+–)) 24...Bd5 (worse is 24...bc5 25.Bc4 Bd5 26.Nc6+/-) 25.cb6 cb6 (25...ab6 26.Bb5 Rf8 27.Nc6 Bc6 28.Rc6+=) 26.Bb5 Rf8 27.Nc6 Bc6 28.Rc6 Rd6 29.Rec1 Rfd8 30.Rc7 Rd1 31.Bf1 (31.Kh2 Qd6 32.f4 Rc1 33.Qc1 a5+/-) 31...R1d7 32.R7c6 (32.Rd7 Rd7 33.Bb5 Rd6+=) 32...Rd6 (32...Kg7 33.Rc8+=) 33.Qb3 Kg7 34.Qb2 (34.Rc7 R8d7 35.Rd7 Rd7+=) 34...Rc6 (34...Kg8 35.Rd6 Qd6 36.a5+=) 35.Rc6+= Rd6 36.Qa3 (36.Rc1 Qd7+=) 36...Re6= 37.Qc3 Rc6 38.Qc6 Qd7 (38...Ne4 39.Bb5=) 39.Qc2 (39.Qb5 Qd6=) 39...Qd6 (39...Ne4 40.Bd3 Qe7 41.g4=) 40.Qb2 (40.Qc3 f4=) 40...Qc5 (40...f4 41.Bb5=) 41.Bd3+= Qd6 ½–½. Jonsson,Pall G (1800) – Chernukhin,Alexander (2135), N1 Reykjavik Open, 2014.

7.d4 e4

8.Nfd2 c5 9.a3=.

8.Nfd2 c6 9.Nc3 d5 10.cd5 cd5 11.Be2 a6 (11...Qb6 12.b5=) 12.0-0 Nc6 13.a3 Ne7 (13...Be6=) 14.f3 (14.Rc1!?+=) 14...Bh6 (14...Nf5 15.Kf2=+ (15.fe4? Ne3 16.Qb1 Nf1 17.Bf1 de4 18.Nce4 Bf5–+)) 15.f4 Nf5 16.Kf2 Nh5 17.g4?? (17.Bh5 gh5) 17...Qh4–+ 18.Kg1 Qg3 19.Kh1 Ne3 20.Qe1 Qg2 0–1. Melzig,Ernst – Schneider,L, Wch Seniors Bad Liebenzell, 1996.

8.Nfd2 c6 9.d5 cd5 10.cd5 Nd5 11.Bg7 Kg7 12.Ne4 Nf6 13.Nd6 Qb6 14.Nc8 Qb4 15.Qd2 Qd2 16.Nd2 Rc8 17.g4 Nc6 18.Bg2 Rc7 19.0-0 Rac8 20.Rab1 b6 21.Rfc1 Ne5 22.Rc7 Rc7 23.f4 Neg4 24.hg4 Ng4 25.Nf1 Rc2 26.Bf3 f5 27.a4 Ra2 28.Bc6 h5 29.Rd1 h4 30.Rd7 Kh6 31.Ra7 h3 32.Ra6 h2 33.Nh2 Rh2 34.Rb6 Re2 35.a5 Re1 36.Kg2 Re2 37.Kf1 Ra2 38.a6 Ne3 39.Kg1 Ra1 40.Kf2 Nc4 41.Rb4 Ra2 42.Ke1 Ra1 43.Ke2 Nd6 44.Ra4 Ra4 45.Ba4 Nc8 46.Ke3 Na7 47.Kd4 Kh5 48.Kc5 Kg4 49.Kb6 Nc8 50.Kc7 Na7 51.Kb7 Kf4 52.Ka7 g5 53.Kb6 g4 54.a7 g3 55.a8Q Ke3 56.Qg2 f4 57.Bc6 f3 58.Qf3 1–0. Pietshaq – Trkn, itsyourturn.com, 2001.

7.Be2 Nc6

7.Be2 Be6

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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)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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